From 93fa7636dfdc059b25df148f230c0991096afdef Mon Sep 17 00:00:00 2001 From: Markus Metzger Date: Tue, 8 Apr 2008 11:01:58 +0200 Subject: [PATCH 0001/6244] x86, ptrace: PEBS support Polish the ds.h interface and add support for PEBS. Ds.c is meant to be the resource allocator for per-thread and per-cpu BTS and PEBS recording. It is used by ptrace/utrace to provide execution tracing of debugged tasks. It will be used by profilers (e.g. perfmon2). It may be used by kernel debuggers to provide a kernel execution trace. Changes in detail: - guard DS and ptrace by CONFIG macros - separate DS and BTS more clearly - simplify field accesses - add functions to manage PEBS buffers - add simple protection/allocation mechanism - added support for Atom Opens: - buffer overflow handling Currently, only circular buffers are supported. This is all we need for debugging. Profilers would want an overflow notification. This is planned to be added when perfmon2 is made to use the ds.h interface. - utrace intermediate layer Signed-off-by: Markus Metzger Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/Kconfig.cpu | 18 + arch/x86/kernel/cpu/intel.c | 3 +- arch/x86/kernel/ds.c | 953 +++++++++++++++++++++++++---------- arch/x86/kernel/process_32.c | 25 +- arch/x86/kernel/process_64.c | 25 +- arch/x86/kernel/ptrace.c | 444 +++++++++------- arch/x86/kernel/setup_64.c | 3 +- include/asm-x86/ds.h | 258 ++++++++-- include/asm-x86/processor.h | 12 +- include/asm-x86/ptrace-abi.h | 14 +- include/asm-x86/ptrace.h | 38 +- 11 files changed, 1274 insertions(+), 519 deletions(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 2ad6301849a1..13f3f8bebfd1 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -415,3 +415,21 @@ config X86_MINIMUM_CPU_FAMILY config X86_DEBUGCTLMSR def_bool y depends on !(M586MMX || M586TSC || M586 || M486 || M386) + +config X86_DS + bool "Debug Store support" + default y + help + Add support for Debug Store. + This allows the kernel to provide a memory buffer to the hardware + to store various profiling and tracing events. + +config X86_PTRACE_BTS + bool "ptrace interface to Branch Trace Store" + default y + depends on (X86_DS && X86_DEBUGCTLMSR) + help + Add a ptrace interface to allow collecting an execution trace + of the traced task. + This collects control flow changes in a (cyclic) buffer and allows + debuggers to fill in the gaps and show an execution trace of the debuggee. diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index fe9224c51d37..cbffa2a25a13 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -222,10 +222,11 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_BTS); if (!(l1 & (1<<12))) set_cpu_cap(c, X86_FEATURE_PEBS); + ds_init_intel(c); } if (cpu_has_bts) - ds_init_intel(c); + ptrace_bts_init_intel(c); } static unsigned int __cpuinit intel_size_cache(struct cpuinfo_x86 *c, unsigned int size) diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 11c11b8ec48d..5b32b6d062b4 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -2,26 +2,48 @@ * Debug Store support * * This provides a low-level interface to the hardware's Debug Store - * feature that is used for last branch recording (LBR) and + * feature that is used for branch trace store (BTS) and * precise-event based sampling (PEBS). * - * Different architectures use a different DS layout/pointer size. - * The below functions therefore work on a void*. + * It manages: + * - per-thread and per-cpu allocation of BTS and PEBS + * - buffer memory allocation (optional) + * - buffer overflow handling + * - buffer access * + * It assumes: + * - get_task_struct on all parameter tasks + * - current is allowed to trace parameter tasks * - * Since there is no user for PEBS, yet, only LBR (or branch - * trace store, BTS) is supported. * - * - * Copyright (C) 2007 Intel Corporation. - * Markus Metzger , Dec 2007 + * Copyright (C) 2007-2008 Intel Corporation. + * Markus Metzger , 2007-2008 */ + +#ifdef CONFIG_X86_DS + #include #include #include #include +#include + + +/* + * The configuration for a particular DS hardware implementation. + */ +struct ds_configuration { + /* the size of the DS structure in bytes */ + unsigned char sizeof_ds; + /* the size of one pointer-typed field in the DS structure in bytes; + this covers the first 8 fields related to buffer management. */ + unsigned char sizeof_field; + /* the size of a BTS/PEBS record in bytes */ + unsigned char sizeof_rec[2]; +}; +static struct ds_configuration ds_cfg; /* @@ -44,378 +66,747 @@ * (interrupt occurs when write pointer passes interrupt pointer) * - value to which counter is reset following counter overflow * - * On later architectures, the last branch recording hardware uses - * 64bit pointers even in 32bit mode. - * - * - * Branch Trace Store (BTS) records store information about control - * flow changes. They at least provide the following information: - * - source linear address - * - destination linear address + * Later architectures use 64bit pointers throughout, whereas earlier + * architectures use 32bit pointers in 32bit mode. * - * Netburst supported a predicated bit that had been dropped in later - * architectures. We do not suppor it. * + * We compute the base address for the first 8 fields based on: + * - the field size stored in the DS configuration + * - the relative field position + * - an offset giving the start of the respective region * - * In order to abstract from the actual DS and BTS layout, we describe - * the access to the relevant fields. - * Thanks to Andi Kleen for proposing this design. + * This offset is further used to index various arrays holding + * information for BTS and PEBS at the respective index. * - * The implementation, however, is not as general as it might seem. In - * order to stay somewhat simple and efficient, we assume an - * underlying unsigned type (mostly a pointer type) and we expect the - * field to be at least as big as that type. + * On later 32bit processors, we only access the lower 32bit of the + * 64bit pointer fields. The upper halves will be zeroed out. */ -/* - * A special from_ip address to indicate that the BTS record is an - * info record that needs to be interpreted or skipped. - */ -#define BTS_ESCAPE_ADDRESS (-1) +enum ds_field { + ds_buffer_base = 0, + ds_index, + ds_absolute_maximum, + ds_interrupt_threshold, +}; -/* - * A field access descriptor - */ -struct access_desc { - unsigned char offset; - unsigned char size; +enum ds_qualifier { + ds_bts = 0, + ds_pebs }; +static inline unsigned long ds_get(const unsigned char *base, + enum ds_qualifier qual, enum ds_field field) +{ + base += (ds_cfg.sizeof_field * (field + (4 * qual))); + return *(unsigned long *)base; +} + +static inline void ds_set(unsigned char *base, enum ds_qualifier qual, + enum ds_field field, unsigned long value) +{ + base += (ds_cfg.sizeof_field * (field + (4 * qual))); + (*(unsigned long *)base) = value; +} + + /* - * The configuration for a particular DS/BTS hardware implementation. + * Locking is done only for allocating BTS or PEBS resources and for + * guarding context and buffer memory allocation. + * + * Most functions require the current task to own the ds context part + * they are going to access. All the locking is done when validating + * access to the context. */ -struct ds_configuration { - /* the DS configuration */ - unsigned char sizeof_ds; - struct access_desc bts_buffer_base; - struct access_desc bts_index; - struct access_desc bts_absolute_maximum; - struct access_desc bts_interrupt_threshold; - /* the BTS configuration */ - unsigned char sizeof_bts; - struct access_desc from_ip; - struct access_desc to_ip; - /* BTS variants used to store additional information like - timestamps */ - struct access_desc info_type; - struct access_desc info_data; - unsigned long debugctl_mask; -}; +static spinlock_t ds_lock = __SPIN_LOCK_UNLOCKED(ds_lock); /* - * The global configuration used by the below accessor functions + * Validate that the current task is allowed to access the BTS/PEBS + * buffer of the parameter task. + * + * Returns 0, if access is granted; -Eerrno, otherwise. */ -static struct ds_configuration ds_cfg; +static inline int ds_validate_access(struct ds_context *context, + enum ds_qualifier qual) +{ + if (!context) + return -EPERM; + + if (context->owner[qual] == current) + return 0; + + return -EPERM; +} + /* - * Accessor functions for some DS and BTS fields using the above - * global ptrace_bts_cfg. + * We either support (system-wide) per-cpu or per-thread allocation. + * We distinguish the two based on the task_struct pointer, where a + * NULL pointer indicates per-cpu allocation for the current cpu. + * + * Allocations are use-counted. As soon as resources are allocated, + * further allocations must be of the same type (per-cpu or + * per-thread). We model this by counting allocations (i.e. the number + * of tracers of a certain type) for one type negatively: + * =0 no tracers + * >0 number of per-thread tracers + * <0 number of per-cpu tracers + * + * The below functions to get and put tracers and to check the + * allocation type require the ds_lock to be held by the caller. + * + * Tracers essentially gives the number of ds contexts for a certain + * type of allocation. */ -static inline unsigned long get_bts_buffer_base(char *base) +static long tracers; + +static inline void get_tracer(struct task_struct *task) { - return *(unsigned long *)(base + ds_cfg.bts_buffer_base.offset); + tracers += (task ? 1 : -1); } -static inline void set_bts_buffer_base(char *base, unsigned long value) + +static inline void put_tracer(struct task_struct *task) { - (*(unsigned long *)(base + ds_cfg.bts_buffer_base.offset)) = value; + tracers -= (task ? 1 : -1); } -static inline unsigned long get_bts_index(char *base) + +static inline int check_tracer(struct task_struct *task) { - return *(unsigned long *)(base + ds_cfg.bts_index.offset); + return (task ? (tracers >= 0) : (tracers <= 0)); } -static inline void set_bts_index(char *base, unsigned long value) + + +/* + * The DS context is either attached to a thread or to a cpu: + * - in the former case, the thread_struct contains a pointer to the + * attached context. + * - in the latter case, we use a static array of per-cpu context + * pointers. + * + * Contexts are use-counted. They are allocated on first access and + * deallocated when the last user puts the context. + * + * We distinguish between an allocating and a non-allocating get of a + * context: + * - the allocating get is used for requesting BTS/PEBS resources. It + * requires the caller to hold the global ds_lock. + * - the non-allocating get is used for all other cases. A + * non-existing context indicates an error. It acquires and releases + * the ds_lock itself for obtaining the context. + * + * A context and its DS configuration are allocated and deallocated + * together. A context always has a DS configuration of the + * appropriate size. + */ +static DEFINE_PER_CPU(struct ds_context *, system_context); + +#define this_system_context per_cpu(system_context, smp_processor_id()) + +/* + * Returns the pointer to the parameter task's context or to the + * system-wide context, if task is NULL. + * + * Increases the use count of the returned context, if not NULL. + */ +static inline struct ds_context *ds_get_context(struct task_struct *task) { - (*(unsigned long *)(base + ds_cfg.bts_index.offset)) = value; + struct ds_context *context; + + spin_lock(&ds_lock); + + context = (task ? task->thread.ds_ctx : this_system_context); + if (context) + context->count++; + + spin_unlock(&ds_lock); + + return context; } -static inline unsigned long get_bts_absolute_maximum(char *base) + +/* + * Same as ds_get_context, but allocates the context and it's DS + * structure, if necessary; returns NULL; if out of memory. + * + * pre: requires ds_lock to be held + */ +static inline struct ds_context *ds_alloc_context(struct task_struct *task) { - return *(unsigned long *)(base + ds_cfg.bts_absolute_maximum.offset); + struct ds_context **p_context = + (task ? &task->thread.ds_ctx : &this_system_context); + struct ds_context *context = *p_context; + + if (!context) { + context = kzalloc(sizeof(*context), GFP_KERNEL); + + if (!context) + return 0; + + context->ds = kzalloc(ds_cfg.sizeof_ds, GFP_KERNEL); + if (!context->ds) { + kfree(context); + return 0; + } + + *p_context = context; + + context->this = p_context; + context->task = task; + + if (task) + set_tsk_thread_flag(task, TIF_DS_AREA_MSR); + + if (!task || (task == current)) + wrmsr(MSR_IA32_DS_AREA, (unsigned long)context->ds, 0); + + get_tracer(task); + } + + context->count++; + + return context; } -static inline void set_bts_absolute_maximum(char *base, unsigned long value) + +/* + * Decreases the use count of the parameter context, if not NULL. + * Deallocates the context, if the use count reaches zero. + */ +static inline void ds_put_context(struct ds_context *context) { - (*(unsigned long *)(base + ds_cfg.bts_absolute_maximum.offset)) = value; + if (!context) + return; + + spin_lock(&ds_lock); + + if (--context->count) + goto out; + + *(context->this) = 0; + + if (context->task) + clear_tsk_thread_flag(context->task, TIF_DS_AREA_MSR); + + if (!context->task || (context->task == current)) + wrmsrl(MSR_IA32_DS_AREA, 0); + + put_tracer(context->task); + + /* free any leftover buffers from tracers that did not + * deallocate them properly. */ + kfree(context->buffer[ds_bts]); + kfree(context->buffer[ds_pebs]); + kfree(context->ds); + kfree(context); + out: + spin_unlock(&ds_lock); } -static inline unsigned long get_bts_interrupt_threshold(char *base) + + +/* + * Handle a buffer overflow + * + * task: the task whose buffers are overflowing; + * NULL for a buffer overflow on the current cpu + * context: the ds context + * qual: the buffer type + */ +static void ds_overflow(struct task_struct *task, struct ds_context *context, + enum ds_qualifier qual) { - return *(unsigned long *)(base + ds_cfg.bts_interrupt_threshold.offset); + if (!context) + return; + + if (context->callback[qual]) + (*context->callback[qual])(task); + + /* todo: do some more overflow handling */ } -static inline void set_bts_interrupt_threshold(char *base, unsigned long value) + + +/* + * Allocate a non-pageable buffer of the parameter size. + * Checks the memory and the locked memory rlimit. + * + * Returns the buffer, if successful; + * NULL, if out of memory or rlimit exceeded. + * + * size: the requested buffer size in bytes + * pages (out): if not NULL, contains the number of pages reserved + */ +static inline void *ds_allocate_buffer(size_t size, unsigned int *pages) { - (*(unsigned long *)(base + ds_cfg.bts_interrupt_threshold.offset)) = value; + unsigned long rlim, vm, pgsz; + void *buffer; + + pgsz = PAGE_ALIGN(size) >> PAGE_SHIFT; + + rlim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT; + vm = current->mm->total_vm + pgsz; + if (rlim < vm) + return 0; + + rlim = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT; + vm = current->mm->locked_vm + pgsz; + if (rlim < vm) + return 0; + + buffer = kzalloc(size, GFP_KERNEL); + if (!buffer) + return 0; + + current->mm->total_vm += pgsz; + current->mm->locked_vm += pgsz; + + if (pages) + *pages = pgsz; + + return buffer; } -static inline unsigned long get_from_ip(char *base) + +static int ds_request(struct task_struct *task, void *base, size_t size, + ds_ovfl_callback_t ovfl, enum ds_qualifier qual) { - return *(unsigned long *)(base + ds_cfg.from_ip.offset); + struct ds_context *context; + unsigned long buffer, adj; + const unsigned long alignment = (1 << 3); + int error = 0; + + if (!ds_cfg.sizeof_ds) + return -EOPNOTSUPP; + + /* we require some space to do alignment adjustments below */ + if (size < (alignment + ds_cfg.sizeof_rec[qual])) + return -EINVAL; + + /* buffer overflow notification is not yet implemented */ + if (ovfl) + return -EOPNOTSUPP; + + + spin_lock(&ds_lock); + + if (!check_tracer(task)) + return -EPERM; + + error = -ENOMEM; + context = ds_alloc_context(task); + if (!context) + goto out_unlock; + + error = -EALREADY; + if (context->owner[qual] == current) + goto out_unlock; + error = -EPERM; + if (context->owner[qual] != 0) + goto out_unlock; + context->owner[qual] = current; + + spin_unlock(&ds_lock); + + + error = -ENOMEM; + if (!base) { + base = ds_allocate_buffer(size, &context->pages[qual]); + if (!base) + goto out_release; + + context->buffer[qual] = base; + } + error = 0; + + context->callback[qual] = ovfl; + + /* adjust the buffer address and size to meet alignment + * constraints: + * - buffer is double-word aligned + * - size is multiple of record size + * + * We checked the size at the very beginning; we have enough + * space to do the adjustment. + */ + buffer = (unsigned long)base; + + adj = ALIGN(buffer, alignment) - buffer; + buffer += adj; + size -= adj; + + size /= ds_cfg.sizeof_rec[qual]; + size *= ds_cfg.sizeof_rec[qual]; + + ds_set(context->ds, qual, ds_buffer_base, buffer); + ds_set(context->ds, qual, ds_index, buffer); + ds_set(context->ds, qual, ds_absolute_maximum, buffer + size); + + if (ovfl) { + /* todo: select a suitable interrupt threshold */ + } else + ds_set(context->ds, qual, + ds_interrupt_threshold, buffer + size + 1); + + /* we keep the context until ds_release */ + return error; + + out_release: + context->owner[qual] = 0; + ds_put_context(context); + return error; + + out_unlock: + spin_unlock(&ds_lock); + ds_put_context(context); + return error; } -static inline void set_from_ip(char *base, unsigned long value) + +int ds_request_bts(struct task_struct *task, void *base, size_t size, + ds_ovfl_callback_t ovfl) { - (*(unsigned long *)(base + ds_cfg.from_ip.offset)) = value; + return ds_request(task, base, size, ovfl, ds_bts); } -static inline unsigned long get_to_ip(char *base) + +int ds_request_pebs(struct task_struct *task, void *base, size_t size, + ds_ovfl_callback_t ovfl) { - return *(unsigned long *)(base + ds_cfg.to_ip.offset); + return ds_request(task, base, size, ovfl, ds_pebs); } -static inline void set_to_ip(char *base, unsigned long value) + +static int ds_release(struct task_struct *task, enum ds_qualifier qual) { - (*(unsigned long *)(base + ds_cfg.to_ip.offset)) = value; + struct ds_context *context; + int error; + + context = ds_get_context(task); + error = ds_validate_access(context, qual); + if (error < 0) + goto out; + + kfree(context->buffer[qual]); + context->buffer[qual] = 0; + + current->mm->total_vm -= context->pages[qual]; + current->mm->locked_vm -= context->pages[qual]; + context->pages[qual] = 0; + context->owner[qual] = 0; + + /* + * we put the context twice: + * once for the ds_get_context + * once for the corresponding ds_request + */ + ds_put_context(context); + out: + ds_put_context(context); + return error; } -static inline unsigned char get_info_type(char *base) + +int ds_release_bts(struct task_struct *task) { - return *(unsigned char *)(base + ds_cfg.info_type.offset); + return ds_release(task, ds_bts); } -static inline void set_info_type(char *base, unsigned char value) + +int ds_release_pebs(struct task_struct *task) { - (*(unsigned char *)(base + ds_cfg.info_type.offset)) = value; + return ds_release(task, ds_pebs); } -static inline unsigned long get_info_data(char *base) + +static int ds_get_index(struct task_struct *task, size_t *pos, + enum ds_qualifier qual) { - return *(unsigned long *)(base + ds_cfg.info_data.offset); + struct ds_context *context; + unsigned long base, index; + int error; + + context = ds_get_context(task); + error = ds_validate_access(context, qual); + if (error < 0) + goto out; + + base = ds_get(context->ds, qual, ds_buffer_base); + index = ds_get(context->ds, qual, ds_index); + + error = ((index - base) / ds_cfg.sizeof_rec[qual]); + if (pos) + *pos = error; + out: + ds_put_context(context); + return error; } -static inline void set_info_data(char *base, unsigned long value) + +int ds_get_bts_index(struct task_struct *task, size_t *pos) { - (*(unsigned long *)(base + ds_cfg.info_data.offset)) = value; + return ds_get_index(task, pos, ds_bts); } +int ds_get_pebs_index(struct task_struct *task, size_t *pos) +{ + return ds_get_index(task, pos, ds_pebs); +} -int ds_allocate(void **dsp, size_t bts_size_in_bytes) +static int ds_get_end(struct task_struct *task, size_t *pos, + enum ds_qualifier qual) { - size_t bts_size_in_records; - unsigned long bts; - void *ds; + struct ds_context *context; + unsigned long base, end; + int error; + + context = ds_get_context(task); + error = ds_validate_access(context, qual); + if (error < 0) + goto out; + + base = ds_get(context->ds, qual, ds_buffer_base); + end = ds_get(context->ds, qual, ds_absolute_maximum); + + error = ((end - base) / ds_cfg.sizeof_rec[qual]); + if (pos) + *pos = error; + out: + ds_put_context(context); + return error; +} - if (!ds_cfg.sizeof_ds || !ds_cfg.sizeof_bts) - return -EOPNOTSUPP; +int ds_get_bts_end(struct task_struct *task, size_t *pos) +{ + return ds_get_end(task, pos, ds_bts); +} - if (bts_size_in_bytes < 0) - return -EINVAL; +int ds_get_pebs_end(struct task_struct *task, size_t *pos) +{ + return ds_get_end(task, pos, ds_pebs); +} - bts_size_in_records = - bts_size_in_bytes / ds_cfg.sizeof_bts; - bts_size_in_bytes = - bts_size_in_records * ds_cfg.sizeof_bts; +static int ds_access(struct task_struct *task, size_t index, + const void **record, enum ds_qualifier qual) +{ + struct ds_context *context; + unsigned long base, idx; + int error; - if (bts_size_in_bytes <= 0) + if (!record) return -EINVAL; - bts = (unsigned long)kzalloc(bts_size_in_bytes, GFP_KERNEL); + context = ds_get_context(task); + error = ds_validate_access(context, qual); + if (error < 0) + goto out; - if (!bts) - return -ENOMEM; + base = ds_get(context->ds, qual, ds_buffer_base); + idx = base + (index * ds_cfg.sizeof_rec[qual]); - ds = kzalloc(ds_cfg.sizeof_ds, GFP_KERNEL); + error = -EINVAL; + if (idx > ds_get(context->ds, qual, ds_absolute_maximum)) + goto out; - if (!ds) { - kfree((void *)bts); - return -ENOMEM; - } - - set_bts_buffer_base(ds, bts); - set_bts_index(ds, bts); - set_bts_absolute_maximum(ds, bts + bts_size_in_bytes); - set_bts_interrupt_threshold(ds, bts + bts_size_in_bytes + 1); - - *dsp = ds; - return 0; + *record = (const void *)idx; + error = ds_cfg.sizeof_rec[qual]; + out: + ds_put_context(context); + return error; } -int ds_free(void **dsp) +int ds_access_bts(struct task_struct *task, size_t index, const void **record) { - if (*dsp) { - kfree((void *)get_bts_buffer_base(*dsp)); - kfree(*dsp); - *dsp = NULL; - } - return 0; + return ds_access(task, index, record, ds_bts); } -int ds_get_bts_size(void *ds) +int ds_access_pebs(struct task_struct *task, size_t index, const void **record) { - int size_in_bytes; - - if (!ds_cfg.sizeof_ds || !ds_cfg.sizeof_bts) - return -EOPNOTSUPP; - - if (!ds) - return 0; - - size_in_bytes = - get_bts_absolute_maximum(ds) - - get_bts_buffer_base(ds); - return size_in_bytes; + return ds_access(task, index, record, ds_pebs); } -int ds_get_bts_end(void *ds) +static int ds_write(struct task_struct *task, const void *record, size_t size, + enum ds_qualifier qual, int force) { - int size_in_bytes = ds_get_bts_size(ds); - - if (size_in_bytes <= 0) - return size_in_bytes; + struct ds_context *context; + int error; - return size_in_bytes / ds_cfg.sizeof_bts; -} + if (!record) + return -EINVAL; -int ds_get_bts_index(void *ds) -{ - int index_offset_in_bytes; + error = -EPERM; + context = ds_get_context(task); + if (!context) + goto out; - if (!ds_cfg.sizeof_ds || !ds_cfg.sizeof_bts) - return -EOPNOTSUPP; + if (!force) { + error = ds_validate_access(context, qual); + if (error < 0) + goto out; + } - index_offset_in_bytes = - get_bts_index(ds) - - get_bts_buffer_base(ds); + error = 0; + while (size) { + unsigned long base, index, end, write_end, int_th; + unsigned long write_size, adj_write_size; + + /* + * write as much as possible without producing an + * overflow interrupt. + * + * interrupt_threshold must either be + * - bigger than absolute_maximum or + * - point to a record between buffer_base and absolute_maximum + * + * index points to a valid record. + */ + base = ds_get(context->ds, qual, ds_buffer_base); + index = ds_get(context->ds, qual, ds_index); + end = ds_get(context->ds, qual, ds_absolute_maximum); + int_th = ds_get(context->ds, qual, ds_interrupt_threshold); + + write_end = min(end, int_th); + + /* if we are already beyond the interrupt threshold, + * we fill the entire buffer */ + if (write_end <= index) + write_end = end; + + if (write_end <= index) + goto out; + + write_size = min((unsigned long) size, write_end - index); + memcpy((void *)index, record, write_size); + + record = (const char *)record + write_size; + size -= write_size; + error += write_size; + + adj_write_size = write_size / ds_cfg.sizeof_rec[qual]; + adj_write_size *= ds_cfg.sizeof_rec[qual]; + + /* zero out trailing bytes */ + memset((char *)index + write_size, 0, + adj_write_size - write_size); + index += adj_write_size; + + if (index >= end) + index = base; + ds_set(context->ds, qual, ds_index, index); + + if (index >= int_th) + ds_overflow(task, context, qual); + } - return index_offset_in_bytes / ds_cfg.sizeof_bts; + out: + ds_put_context(context); + return error; } -int ds_set_overflow(void *ds, int method) +int ds_write_bts(struct task_struct *task, const void *record, size_t size) { - switch (method) { - case DS_O_SIGNAL: - return -EOPNOTSUPP; - case DS_O_WRAP: - return 0; - default: - return -EINVAL; - } + return ds_write(task, record, size, ds_bts, /* force = */ 0); } -int ds_get_overflow(void *ds) +int ds_write_pebs(struct task_struct *task, const void *record, size_t size) { - return DS_O_WRAP; + return ds_write(task, record, size, ds_pebs, /* force = */ 0); } -int ds_clear(void *ds) +int ds_unchecked_write_bts(struct task_struct *task, + const void *record, size_t size) { - int bts_size = ds_get_bts_size(ds); - unsigned long bts_base; - - if (bts_size <= 0) - return bts_size; - - bts_base = get_bts_buffer_base(ds); - memset((void *)bts_base, 0, bts_size); - - set_bts_index(ds, bts_base); - return 0; + return ds_write(task, record, size, ds_bts, /* force = */ 1); } -int ds_read_bts(void *ds, int index, struct bts_struct *out) +int ds_unchecked_write_pebs(struct task_struct *task, + const void *record, size_t size) { - void *bts; + return ds_write(task, record, size, ds_pebs, /* force = */ 1); +} - if (!ds_cfg.sizeof_ds || !ds_cfg.sizeof_bts) - return -EOPNOTSUPP; +static int ds_reset_or_clear(struct task_struct *task, + enum ds_qualifier qual, int clear) +{ + struct ds_context *context; + unsigned long base, end; + int error; - if (index < 0) - return -EINVAL; + context = ds_get_context(task); + error = ds_validate_access(context, qual); + if (error < 0) + goto out; - if (index >= ds_get_bts_size(ds)) - return -EINVAL; + base = ds_get(context->ds, qual, ds_buffer_base); + end = ds_get(context->ds, qual, ds_absolute_maximum); - bts = (void *)(get_bts_buffer_base(ds) + (index * ds_cfg.sizeof_bts)); + if (clear) + memset((void *)base, 0, end - base); - memset(out, 0, sizeof(*out)); - if (get_from_ip(bts) == BTS_ESCAPE_ADDRESS) { - out->qualifier = get_info_type(bts); - out->variant.jiffies = get_info_data(bts); - } else { - out->qualifier = BTS_BRANCH; - out->variant.lbr.from_ip = get_from_ip(bts); - out->variant.lbr.to_ip = get_to_ip(bts); - } + ds_set(context->ds, qual, ds_index, base); - return sizeof(*out);; + error = 0; + out: + ds_put_context(context); + return error; } -int ds_write_bts(void *ds, const struct bts_struct *in) +int ds_reset_bts(struct task_struct *task) { - unsigned long bts; - - if (!ds_cfg.sizeof_ds || !ds_cfg.sizeof_bts) - return -EOPNOTSUPP; - - if (ds_get_bts_size(ds) <= 0) - return -ENXIO; + return ds_reset_or_clear(task, ds_bts, /* clear = */ 0); +} - bts = get_bts_index(ds); +int ds_reset_pebs(struct task_struct *task) +{ + return ds_reset_or_clear(task, ds_pebs, /* clear = */ 0); +} - memset((void *)bts, 0, ds_cfg.sizeof_bts); - switch (in->qualifier) { - case BTS_INVALID: - break; +int ds_clear_bts(struct task_struct *task) +{ + return ds_reset_or_clear(task, ds_bts, /* clear = */ 1); +} - case BTS_BRANCH: - set_from_ip((void *)bts, in->variant.lbr.from_ip); - set_to_ip((void *)bts, in->variant.lbr.to_ip); - break; +int ds_clear_pebs(struct task_struct *task) +{ + return ds_reset_or_clear(task, ds_pebs, /* clear = */ 1); +} - case BTS_TASK_ARRIVES: - case BTS_TASK_DEPARTS: - set_from_ip((void *)bts, BTS_ESCAPE_ADDRESS); - set_info_type((void *)bts, in->qualifier); - set_info_data((void *)bts, in->variant.jiffies); - break; +int ds_get_pebs_reset(struct task_struct *task, u64 *value) +{ + struct ds_context *context; + int error; - default: + if (!value) return -EINVAL; - } - bts = bts + ds_cfg.sizeof_bts; - if (bts >= get_bts_absolute_maximum(ds)) - bts = get_bts_buffer_base(ds); - set_bts_index(ds, bts); + context = ds_get_context(task); + error = ds_validate_access(context, ds_pebs); + if (error < 0) + goto out; - return ds_cfg.sizeof_bts; + *value = *(u64 *)(context->ds + (ds_cfg.sizeof_field * 8)); + + error = 0; + out: + ds_put_context(context); + return error; } -unsigned long ds_debugctl_mask(void) +int ds_set_pebs_reset(struct task_struct *task, u64 value) { - return ds_cfg.debugctl_mask; -} + struct ds_context *context; + int error; -#ifdef __i386__ -static const struct ds_configuration ds_cfg_netburst = { - .sizeof_ds = 9 * 4, - .bts_buffer_base = { 0, 4 }, - .bts_index = { 4, 4 }, - .bts_absolute_maximum = { 8, 4 }, - .bts_interrupt_threshold = { 12, 4 }, - .sizeof_bts = 3 * 4, - .from_ip = { 0, 4 }, - .to_ip = { 4, 4 }, - .info_type = { 4, 1 }, - .info_data = { 8, 4 }, - .debugctl_mask = (1<<2)|(1<<3) -}; + context = ds_get_context(task); + error = ds_validate_access(context, ds_pebs); + if (error < 0) + goto out; -static const struct ds_configuration ds_cfg_pentium_m = { - .sizeof_ds = 9 * 4, - .bts_buffer_base = { 0, 4 }, - .bts_index = { 4, 4 }, - .bts_absolute_maximum = { 8, 4 }, - .bts_interrupt_threshold = { 12, 4 }, - .sizeof_bts = 3 * 4, - .from_ip = { 0, 4 }, - .to_ip = { 4, 4 }, - .info_type = { 4, 1 }, - .info_data = { 8, 4 }, - .debugctl_mask = (1<<6)|(1<<7) + *(u64 *)(context->ds + (ds_cfg.sizeof_field * 8)) = value; + + error = 0; + out: + ds_put_context(context); + return error; +} + +static const struct ds_configuration ds_cfg_var = { + .sizeof_ds = sizeof(long) * 12, + .sizeof_field = sizeof(long), + .sizeof_rec[ds_bts] = sizeof(long) * 3, + .sizeof_rec[ds_pebs] = sizeof(long) * 10 }; -#endif /* _i386_ */ - -static const struct ds_configuration ds_cfg_core2 = { - .sizeof_ds = 9 * 8, - .bts_buffer_base = { 0, 8 }, - .bts_index = { 8, 8 }, - .bts_absolute_maximum = { 16, 8 }, - .bts_interrupt_threshold = { 24, 8 }, - .sizeof_bts = 3 * 8, - .from_ip = { 0, 8 }, - .to_ip = { 8, 8 }, - .info_type = { 8, 1 }, - .info_data = { 16, 8 }, - .debugctl_mask = (1<<6)|(1<<7)|(1<<9) +static const struct ds_configuration ds_cfg_64 = { + .sizeof_ds = 8 * 12, + .sizeof_field = 8, + .sizeof_rec[ds_bts] = 8 * 3, + .sizeof_rec[ds_pebs] = 8 * 10 }; static inline void @@ -429,14 +820,13 @@ void __cpuinit ds_init_intel(struct cpuinfo_x86 *c) switch (c->x86) { case 0x6: switch (c->x86_model) { -#ifdef __i386__ case 0xD: case 0xE: /* Pentium M */ - ds_configure(&ds_cfg_pentium_m); + ds_configure(&ds_cfg_var); break; -#endif /* _i386_ */ case 0xF: /* Core2 */ - ds_configure(&ds_cfg_core2); + case 0x1C: /* Atom */ + ds_configure(&ds_cfg_64); break; default: /* sorry, don't know about them */ @@ -445,13 +835,11 @@ void __cpuinit ds_init_intel(struct cpuinfo_x86 *c) break; case 0xF: switch (c->x86_model) { -#ifdef __i386__ case 0x0: case 0x1: case 0x2: /* Netburst */ - ds_configure(&ds_cfg_netburst); + ds_configure(&ds_cfg_var); break; -#endif /* _i386_ */ default: /* sorry, don't know about them */ break; @@ -462,3 +850,14 @@ void __cpuinit ds_init_intel(struct cpuinfo_x86 *c) break; } } + +void ds_free(struct ds_context *context) +{ + /* This is called when the task owning the parameter context + * is dying. There should not be any user of that context left + * to disturb us, anymore. */ + unsigned long leftovers = context->count; + while (leftovers--) + ds_put_context(context); +} +#endif /* CONFIG_X86_DS */ diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index f8476dfbb60d..5cec8a75a4e8 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -316,6 +316,14 @@ void exit_thread(void) tss->x86_tss.io_bitmap_base = INVALID_IO_BITMAP_OFFSET; put_cpu(); } +#ifdef CONFIG_X86_DS + /* Free any DS contexts that have not been properly released. */ + if (unlikely(current->thread.ds_ctx)) { + /* we clear debugctl to make sure DS is not used. */ + update_debugctlmsr(0); + ds_free(current->thread.ds_ctx); + } +#endif /* CONFIG_X86_DS */ } void flush_thread(void) @@ -482,18 +490,27 @@ __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, { struct thread_struct *prev, *next; unsigned long debugctl; + unsigned long ds_prev = 0, ds_next = 0; prev = &prev_p->thread; next = &next_p->thread; debugctl = prev->debugctlmsr; - if (next->ds_area_msr != prev->ds_area_msr) { + +#ifdef CONFIG_X86_DS + if (prev->ds_ctx) + ds_prev = (unsigned long)prev->ds_ctx->ds; + if (next->ds_ctx) + ds_next = (unsigned long)next->ds_ctx->ds; + + if (ds_next != ds_prev) { /* we clear debugctl to make sure DS * is not in use when we change it */ debugctl = 0; update_debugctlmsr(0); - wrmsr(MSR_IA32_DS_AREA, next->ds_area_msr, 0); + wrmsr(MSR_IA32_DS_AREA, ds_next, 0); } +#endif /* CONFIG_X86_DS */ if (next->debugctlmsr != debugctl) update_debugctlmsr(next->debugctlmsr); @@ -517,13 +534,13 @@ __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, hard_enable_TSC(); } -#ifdef X86_BTS +#ifdef CONFIG_X86_PTRACE_BTS if (test_tsk_thread_flag(prev_p, TIF_BTS_TRACE_TS)) ptrace_bts_take_timestamp(prev_p, BTS_TASK_DEPARTS); if (test_tsk_thread_flag(next_p, TIF_BTS_TRACE_TS)) ptrace_bts_take_timestamp(next_p, BTS_TASK_ARRIVES); -#endif +#endif /* CONFIG_X86_PTRACE_BTS */ if (!test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) { diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index e2319f39988b..ad213494a22f 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -267,6 +267,14 @@ void exit_thread(void) t->io_bitmap_max = 0; put_cpu(); } +#ifdef CONFIG_X86_DS + /* Free any DS contexts that have not been properly released. */ + if (unlikely(t->ds_ctx)) { + /* we clear debugctl to make sure DS is not used. */ + update_debugctlmsr(0); + ds_free(t->ds_ctx); + } +#endif /* CONFIG_X86_DS */ } void flush_thread(void) @@ -492,18 +500,27 @@ static inline void __switch_to_xtra(struct task_struct *prev_p, { struct thread_struct *prev, *next; unsigned long debugctl; + unsigned long ds_prev = 0, ds_next = 0; prev = &prev_p->thread, next = &next_p->thread; debugctl = prev->debugctlmsr; - if (next->ds_area_msr != prev->ds_area_msr) { + +#ifdef CONFIG_X86_DS + if (prev->ds_ctx) + ds_prev = (unsigned long)prev->ds_ctx->ds; + if (next->ds_ctx) + ds_next = (unsigned long)next->ds_ctx->ds; + + if (ds_next != ds_prev) { /* we clear debugctl to make sure DS * is not in use when we change it */ debugctl = 0; update_debugctlmsr(0); - wrmsrl(MSR_IA32_DS_AREA, next->ds_area_msr); + wrmsrl(MSR_IA32_DS_AREA, ds_next); } +#endif /* CONFIG_X86_DS */ if (next->debugctlmsr != debugctl) update_debugctlmsr(next->debugctlmsr); @@ -541,13 +558,13 @@ static inline void __switch_to_xtra(struct task_struct *prev_p, memset(tss->io_bitmap, 0xff, prev->io_bitmap_max); } -#ifdef X86_BTS +#ifdef CONFIG_X86_PTRACE_BTS if (test_tsk_thread_flag(prev_p, TIF_BTS_TRACE_TS)) ptrace_bts_take_timestamp(prev_p, BTS_TASK_DEPARTS); if (test_tsk_thread_flag(next_p, TIF_BTS_TRACE_TS)) ptrace_bts_take_timestamp(next_p, BTS_TASK_ARRIVES); -#endif +#endif /* CONFIG_X86_PTRACE_BTS */ } /* diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index fb03ef380f0e..b7ff783dc5fe 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -554,45 +554,115 @@ static int ptrace_set_debugreg(struct task_struct *child, return 0; } -#ifdef X86_BTS +#ifdef CONFIG_X86_PTRACE_BTS +/* + * The configuration for a particular BTS hardware implementation. + */ +struct bts_configuration { + /* the size of a BTS record in bytes; at most BTS_MAX_RECORD_SIZE */ + unsigned char sizeof_bts; + /* the size of a field in the BTS record in bytes */ + unsigned char sizeof_field; + /* a bitmask to enable/disable BTS in DEBUGCTL MSR */ + unsigned long debugctl_mask; +}; +static struct bts_configuration bts_cfg; + +#define BTS_MAX_RECORD_SIZE (8 * 3) + + +/* + * Branch Trace Store (BTS) uses the following format. Different + * architectures vary in the size of those fields. + * - source linear address + * - destination linear address + * - flags + * + * Later architectures use 64bit pointers throughout, whereas earlier + * architectures use 32bit pointers in 32bit mode. + * + * We compute the base address for the first 8 fields based on: + * - the field size stored in the DS configuration + * - the relative field position + * + * In order to store additional information in the BTS buffer, we use + * a special source address to indicate that the record requires + * special interpretation. + * + * Netburst indicated via a bit in the flags field whether the branch + * was predicted; this is ignored. + */ -static int ptrace_bts_get_size(struct task_struct *child) +enum bts_field { + bts_from = 0, + bts_to, + bts_flags, + + bts_escape = (unsigned long)-1, + bts_qual = bts_to, + bts_jiffies = bts_flags +}; + +static inline unsigned long bts_get(const char *base, enum bts_field field) { - if (!child->thread.ds_area_msr) - return -ENXIO; + base += (bts_cfg.sizeof_field * field); + return *(unsigned long *)base; +} - return ds_get_bts_index((void *)child->thread.ds_area_msr); +static inline void bts_set(char *base, enum bts_field field, unsigned long val) +{ + base += (bts_cfg.sizeof_field * field);; + (*(unsigned long *)base) = val; } -static int ptrace_bts_read_record(struct task_struct *child, - long index, +/* + * Translate a BTS record from the raw format into the bts_struct format + * + * out (out): bts_struct interpretation + * raw: raw BTS record + */ +static void ptrace_bts_translate_record(struct bts_struct *out, const void *raw) +{ + memset(out, 0, sizeof(*out)); + if (bts_get(raw, bts_from) == bts_escape) { + out->qualifier = bts_get(raw, bts_qual); + out->variant.jiffies = bts_get(raw, bts_jiffies); + } else { + out->qualifier = BTS_BRANCH; + out->variant.lbr.from_ip = bts_get(raw, bts_from); + out->variant.lbr.to_ip = bts_get(raw, bts_to); + } +} + +static int ptrace_bts_read_record(struct task_struct *child, size_t index, struct bts_struct __user *out) { struct bts_struct ret; - int retval; - int bts_end; - int bts_index; - - if (!child->thread.ds_area_msr) - return -ENXIO; + const void *bts_record; + size_t bts_index, bts_end; + int error; - if (index < 0) - return -EINVAL; + error = ds_get_bts_end(child, &bts_end); + if (error < 0) + return error; - bts_end = ds_get_bts_end((void *)child->thread.ds_area_msr); if (bts_end <= index) return -EINVAL; + error = ds_get_bts_index(child, &bts_index); + if (error < 0) + return error; + /* translate the ptrace bts index into the ds bts index */ - bts_index = ds_get_bts_index((void *)child->thread.ds_area_msr); - bts_index -= (index + 1); - if (bts_index < 0) - bts_index += bts_end; + bts_index += bts_end - (index + 1); + if (bts_end <= bts_index) + bts_index -= bts_end; - retval = ds_read_bts((void *)child->thread.ds_area_msr, - bts_index, &ret); - if (retval < 0) - return retval; + error = ds_access_bts(child, bts_index, &bts_record); + if (error < 0) + return error; + + ptrace_bts_translate_record(&ret, bts_record); if (copy_to_user(out, &ret, sizeof(ret))) return -EFAULT; @@ -600,101 +670,106 @@ static int ptrace_bts_read_record(struct task_struct *child, return sizeof(ret); } -static int ptrace_bts_clear(struct task_struct *child) -{ - if (!child->thread.ds_area_msr) - return -ENXIO; - - return ds_clear((void *)child->thread.ds_area_msr); -} - static int ptrace_bts_drain(struct task_struct *child, long size, struct bts_struct __user *out) { - int end, i; - void *ds = (void *)child->thread.ds_area_msr; - - if (!ds) - return -ENXIO; + struct bts_struct ret; + const unsigned char *raw; + size_t end, i; + int error; - end = ds_get_bts_index(ds); - if (end <= 0) - return end; + error = ds_get_bts_index(child, &end); + if (error < 0) + return error; if (size < (end * sizeof(struct bts_struct))) return -EIO; - for (i = 0; i < end; i++, out++) { - struct bts_struct ret; - int retval; + error = ds_access_bts(child, 0, (const void **)&raw); + if (error < 0) + return error; - retval = ds_read_bts(ds, i, &ret); - if (retval < 0) - return retval; + for (i = 0; i < end; i++, out++, raw += bts_cfg.sizeof_bts) { + ptrace_bts_translate_record(&ret, raw); if (copy_to_user(out, &ret, sizeof(ret))) return -EFAULT; } - ds_clear(ds); + error = ds_clear_bts(child); + if (error < 0) + return error; return end; } +static void ptrace_bts_ovfl(struct task_struct *child) +{ + send_sig(child->thread.bts_ovfl_signal, child, 0); +} + static int ptrace_bts_config(struct task_struct *child, long cfg_size, const struct ptrace_bts_config __user *ucfg) { struct ptrace_bts_config cfg; - int bts_size, ret = 0; - void *ds; + int error = 0; + + error = -EOPNOTSUPP; + if (!bts_cfg.sizeof_bts) + goto errout; + error = -EIO; if (cfg_size < sizeof(cfg)) - return -EIO; + goto errout; + error = -EFAULT; if (copy_from_user(&cfg, ucfg, sizeof(cfg))) - return -EFAULT; + goto errout; - if ((int)cfg.size < 0) - return -EINVAL; + error = -EINVAL; + if ((cfg.flags & PTRACE_BTS_O_SIGNAL) && + !(cfg.flags & PTRACE_BTS_O_ALLOC)) + goto errout; - bts_size = 0; - ds = (void *)child->thread.ds_area_msr; - if (ds) { - bts_size = ds_get_bts_size(ds); - if (bts_size < 0) - return bts_size; - } - cfg.size = PAGE_ALIGN(cfg.size); + if (cfg.flags & PTRACE_BTS_O_ALLOC) { + ds_ovfl_callback_t ovfl = 0; + unsigned int sig = 0; - if (bts_size != cfg.size) { - ret = ptrace_bts_realloc(child, cfg.size, - cfg.flags & PTRACE_BTS_O_CUT_SIZE); - if (ret < 0) + /* we ignore the error in case we were not tracing child */ + (void)ds_release_bts(child); + + if (cfg.flags & PTRACE_BTS_O_SIGNAL) { + if (!cfg.signal) + goto errout; + + sig = cfg.signal; + ovfl = ptrace_bts_ovfl; + } + + error = ds_request_bts(child, /* base = */ 0, cfg.size, ovfl); + if (error < 0) goto errout; - ds = (void *)child->thread.ds_area_msr; + child->thread.bts_ovfl_signal = sig; } - if (cfg.flags & PTRACE_BTS_O_SIGNAL) - ret = ds_set_overflow(ds, DS_O_SIGNAL); - else - ret = ds_set_overflow(ds, DS_O_WRAP); - if (ret < 0) + error = -EINVAL; + if (!child->thread.ds_ctx && cfg.flags) goto errout; if (cfg.flags & PTRACE_BTS_O_TRACE) - child->thread.debugctlmsr |= ds_debugctl_mask(); + child->thread.debugctlmsr |= bts_cfg.debugctl_mask; else - child->thread.debugctlmsr &= ~ds_debugctl_mask(); + child->thread.debugctlmsr &= ~bts_cfg.debugctl_mask; if (cfg.flags & PTRACE_BTS_O_SCHED) set_tsk_thread_flag(child, TIF_BTS_TRACE_TS); else clear_tsk_thread_flag(child, TIF_BTS_TRACE_TS); - ret = sizeof(cfg); + error = sizeof(cfg); out: if (child->thread.debugctlmsr) @@ -702,10 +777,10 @@ out: else clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); - return ret; + return error; errout: - child->thread.debugctlmsr &= ~ds_debugctl_mask(); + child->thread.debugctlmsr &= ~bts_cfg.debugctl_mask; clear_tsk_thread_flag(child, TIF_BTS_TRACE_TS); goto out; } @@ -714,29 +789,40 @@ static int ptrace_bts_status(struct task_struct *child, long cfg_size, struct ptrace_bts_config __user *ucfg) { - void *ds = (void *)child->thread.ds_area_msr; struct ptrace_bts_config cfg; + size_t end; + const void *base, *max; + int error; if (cfg_size < sizeof(cfg)) return -EIO; - memset(&cfg, 0, sizeof(cfg)); + error = ds_get_bts_end(child, &end); + if (error < 0) + return error; - if (ds) { - cfg.size = ds_get_bts_size(ds); + error = ds_access_bts(child, /* index = */ 0, &base); + if (error < 0) + return error; - if (ds_get_overflow(ds) == DS_O_SIGNAL) - cfg.flags |= PTRACE_BTS_O_SIGNAL; + error = ds_access_bts(child, /* index = */ end, &max); + if (error < 0) + return error; - if (test_tsk_thread_flag(child, TIF_DEBUGCTLMSR) && - child->thread.debugctlmsr & ds_debugctl_mask()) - cfg.flags |= PTRACE_BTS_O_TRACE; + memset(&cfg, 0, sizeof(cfg)); + cfg.size = (max - base); + cfg.signal = child->thread.bts_ovfl_signal; + cfg.bts_size = sizeof(struct bts_struct); - if (test_tsk_thread_flag(child, TIF_BTS_TRACE_TS)) - cfg.flags |= PTRACE_BTS_O_SCHED; - } + if (cfg.signal) + cfg.flags |= PTRACE_BTS_O_SIGNAL; - cfg.bts_size = sizeof(struct bts_struct); + if (test_tsk_thread_flag(child, TIF_DEBUGCTLMSR) && + child->thread.debugctlmsr & bts_cfg.debugctl_mask) + cfg.flags |= PTRACE_BTS_O_TRACE; + + if (test_tsk_thread_flag(child, TIF_BTS_TRACE_TS)) + cfg.flags |= PTRACE_BTS_O_SCHED; if (copy_to_user(ucfg, &cfg, sizeof(cfg))) return -EFAULT; @@ -744,89 +830,38 @@ static int ptrace_bts_status(struct task_struct *child, return sizeof(cfg); } - static int ptrace_bts_write_record(struct task_struct *child, const struct bts_struct *in) { - int retval; + unsigned char bts_record[BTS_MAX_RECORD_SIZE]; - if (!child->thread.ds_area_msr) - return -ENXIO; + BUG_ON(BTS_MAX_RECORD_SIZE < bts_cfg.sizeof_bts); - retval = ds_write_bts((void *)child->thread.ds_area_msr, in); - if (retval) - return retval; + memset(bts_record, 0, bts_cfg.sizeof_bts); + switch (in->qualifier) { + case BTS_INVALID: + break; - return sizeof(*in); -} + case BTS_BRANCH: + bts_set(bts_record, bts_from, in->variant.lbr.from_ip); + bts_set(bts_record, bts_to, in->variant.lbr.to_ip); + break; -static int ptrace_bts_realloc(struct task_struct *child, - int size, int reduce_size) -{ - unsigned long rlim, vm; - int ret, old_size; + case BTS_TASK_ARRIVES: + case BTS_TASK_DEPARTS: + bts_set(bts_record, bts_from, bts_escape); + bts_set(bts_record, bts_qual, in->qualifier); + bts_set(bts_record, bts_jiffies, in->variant.jiffies); + break; - if (size < 0) + default: return -EINVAL; - - old_size = ds_get_bts_size((void *)child->thread.ds_area_msr); - if (old_size < 0) - return old_size; - - ret = ds_free((void **)&child->thread.ds_area_msr); - if (ret < 0) - goto out; - - size >>= PAGE_SHIFT; - old_size >>= PAGE_SHIFT; - - current->mm->total_vm -= old_size; - current->mm->locked_vm -= old_size; - - if (size == 0) - goto out; - - rlim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT; - vm = current->mm->total_vm + size; - if (rlim < vm) { - ret = -ENOMEM; - - if (!reduce_size) - goto out; - - size = rlim - current->mm->total_vm; - if (size <= 0) - goto out; } - rlim = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT; - vm = current->mm->locked_vm + size; - if (rlim < vm) { - ret = -ENOMEM; - - if (!reduce_size) - goto out; - - size = rlim - current->mm->locked_vm; - if (size <= 0) - goto out; - } - - ret = ds_allocate((void **)&child->thread.ds_area_msr, - size << PAGE_SHIFT); - if (ret < 0) - goto out; - - current->mm->total_vm += size; - current->mm->locked_vm += size; - -out: - if (child->thread.ds_area_msr) - set_tsk_thread_flag(child, TIF_DS_AREA_MSR); - else - clear_tsk_thread_flag(child, TIF_DS_AREA_MSR); - - return ret; + /* The writing task will be the switched-to task on a context + * switch. It needs to write into the switched-from task's BTS + * buffer. */ + return ds_unchecked_write_bts(child, bts_record, bts_cfg.sizeof_bts); } void ptrace_bts_take_timestamp(struct task_struct *tsk, @@ -839,7 +874,66 @@ void ptrace_bts_take_timestamp(struct task_struct *tsk, ptrace_bts_write_record(tsk, &rec); } -#endif /* X86_BTS */ + +static const struct bts_configuration bts_cfg_netburst = { + .sizeof_bts = sizeof(long) * 3, + .sizeof_field = sizeof(long), + .debugctl_mask = (1<<2)|(1<<3)|(1<<5) +}; + +static const struct bts_configuration bts_cfg_pentium_m = { + .sizeof_bts = sizeof(long) * 3, + .sizeof_field = sizeof(long), + .debugctl_mask = (1<<6)|(1<<7) +}; + +static const struct bts_configuration bts_cfg_core2 = { + .sizeof_bts = 8 * 3, + .sizeof_field = 8, + .debugctl_mask = (1<<6)|(1<<7)|(1<<9) +}; + +static inline void bts_configure(const struct bts_configuration *cfg) +{ + bts_cfg = *cfg; +} + +void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *c) +{ + switch (c->x86) { + case 0x6: + switch (c->x86_model) { + case 0xD: + case 0xE: /* Pentium M */ + bts_configure(&bts_cfg_pentium_m); + break; + case 0xF: /* Core2 */ + case 0x1C: /* Atom */ + bts_configure(&bts_cfg_core2); + break; + default: + /* sorry, don't know about them */ + break; + } + break; + case 0xF: + switch (c->x86_model) { + case 0x0: + case 0x1: + case 0x2: /* Netburst */ + bts_configure(&bts_cfg_netburst); + break; + default: + /* sorry, don't know about them */ + break; + } + break; + default: + /* sorry, don't know about them */ + break; + } +} +#endif /* CONFIG_X86_PTRACE_BTS */ /* * Called by kernel/ptrace.c when detaching.. @@ -852,15 +946,15 @@ void ptrace_disable(struct task_struct *child) #ifdef TIF_SYSCALL_EMU clear_tsk_thread_flag(child, TIF_SYSCALL_EMU); #endif - if (child->thread.ds_area_msr) { -#ifdef X86_BTS - ptrace_bts_realloc(child, 0, 0); -#endif - child->thread.debugctlmsr &= ~ds_debugctl_mask(); - if (!child->thread.debugctlmsr) - clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); - clear_tsk_thread_flag(child, TIF_BTS_TRACE_TS); - } +#ifdef CONFIG_X86_PTRACE_BTS + (void)ds_release_bts(child); + + child->thread.debugctlmsr &= ~bts_cfg.debugctl_mask; + if (!child->thread.debugctlmsr) + clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); + + clear_tsk_thread_flag(child, TIF_BTS_TRACE_TS); +#endif /* CONFIG_X86_PTRACE_BTS */ } #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION @@ -980,7 +1074,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* * These bits need more cooking - not enabled yet: */ -#ifdef X86_BTS +#ifdef CONFIG_X86_PTRACE_BTS case PTRACE_BTS_CONFIG: ret = ptrace_bts_config (child, data, (struct ptrace_bts_config __user *)addr); @@ -992,7 +1086,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_BTS_SIZE: - ret = ptrace_bts_get_size(child); + ret = ds_get_bts_index(child, /* pos = */ 0); break; case PTRACE_BTS_GET: @@ -1001,14 +1095,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_BTS_CLEAR: - ret = ptrace_bts_clear(child); + ret = ds_clear_bts(child); break; case PTRACE_BTS_DRAIN: ret = ptrace_bts_drain (child, data, (struct bts_struct __user *) addr); break; -#endif +#endif /* CONFIG_X86_PTRACE_BTS */ default: ret = ptrace_request(child, request, addr, data); diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index f2fc8feb727d..f7aebe13c999 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -920,11 +920,12 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_BTS); if (!(l1 & (1<<12))) set_cpu_cap(c, X86_FEATURE_PEBS); + ds_init_intel(c); } if (cpu_has_bts) - ds_init_intel(c); + ptrace_bts_init_intel(c); n = c->extended_cpuid_level; if (n >= 0x80000008) { diff --git a/include/asm-x86/ds.h b/include/asm-x86/ds.h index 7881368142fa..72c5a190bf48 100644 --- a/include/asm-x86/ds.h +++ b/include/asm-x86/ds.h @@ -2,71 +2,237 @@ * Debug Store (DS) support * * This provides a low-level interface to the hardware's Debug Store - * feature that is used for last branch recording (LBR) and + * feature that is used for branch trace store (BTS) and * precise-event based sampling (PEBS). * - * Different architectures use a different DS layout/pointer size. - * The below functions therefore work on a void*. + * It manages: + * - per-thread and per-cpu allocation of BTS and PEBS + * - buffer memory allocation (optional) + * - buffer overflow handling + * - buffer access * + * It assumes: + * - get_task_struct on all parameter tasks + * - current is allowed to trace parameter tasks * - * Since there is no user for PEBS, yet, only LBR (or branch - * trace store, BTS) is supported. * - * - * Copyright (C) 2007 Intel Corporation. - * Markus Metzger , Dec 2007 + * Copyright (C) 2007-2008 Intel Corporation. + * Markus Metzger , 2007-2008 */ #ifndef _ASM_X86_DS_H #define _ASM_X86_DS_H +#ifdef CONFIG_X86_DS + #include #include -struct cpuinfo_x86; +struct task_struct; -/* a branch trace record entry +/* + * Request BTS or PEBS + * + * Due to alignement constraints, the actual buffer may be slightly + * smaller than the requested or provided buffer. * - * In order to unify the interface between various processor versions, - * we use the below data structure for all processors. + * Returns 0 on success; -Eerrno otherwise + * + * task: the task to request recording for; + * NULL for per-cpu recording on the current cpu + * base: the base pointer for the (non-pageable) buffer; + * NULL if buffer allocation requested + * size: the size of the requested or provided buffer + * ovfl: pointer to a function to be called on buffer overflow; + * NULL if cyclic buffer requested */ -enum bts_qualifier { - BTS_INVALID = 0, - BTS_BRANCH, - BTS_TASK_ARRIVES, - BTS_TASK_DEPARTS -}; +typedef void (*ds_ovfl_callback_t)(struct task_struct *); +extern int ds_request_bts(struct task_struct *task, void *base, size_t size, + ds_ovfl_callback_t ovfl); +extern int ds_request_pebs(struct task_struct *task, void *base, size_t size, + ds_ovfl_callback_t ovfl); + +/* + * Release BTS or PEBS resources + * + * Frees buffers allocated on ds_request. + * + * Returns 0 on success; -Eerrno otherwise + * + * task: the task to release resources for; + * NULL to release resources for the current cpu + */ +extern int ds_release_bts(struct task_struct *task); +extern int ds_release_pebs(struct task_struct *task); + +/* + * Return the (array) index of the write pointer. + * (assuming an array of BTS/PEBS records) + * + * Returns -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + * pos (out): if not NULL, will hold the result + */ +extern int ds_get_bts_index(struct task_struct *task, size_t *pos); +extern int ds_get_pebs_index(struct task_struct *task, size_t *pos); + +/* + * Return the (array) index one record beyond the end of the array. + * (assuming an array of BTS/PEBS records) + * + * Returns -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + * pos (out): if not NULL, will hold the result + */ +extern int ds_get_bts_end(struct task_struct *task, size_t *pos); +extern int ds_get_pebs_end(struct task_struct *task, size_t *pos); + +/* + * Provide a pointer to the BTS/PEBS record at parameter index. + * (assuming an array of BTS/PEBS records) + * + * The pointer points directly into the buffer. The user is + * responsible for copying the record. + * + * Returns the size of a single record on success; -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + * index: the index of the requested record + * record (out): pointer to the requested record + */ +extern int ds_access_bts(struct task_struct *task, + size_t index, const void **record); +extern int ds_access_pebs(struct task_struct *task, + size_t index, const void **record); + +/* + * Write one or more BTS/PEBS records at the write pointer index and + * advance the write pointer. + * + * If size is not a multiple of the record size, trailing bytes are + * zeroed out. + * + * May result in one or more overflow notifications. + * + * If called during overflow handling, that is, with index >= + * interrupt threshold, the write will wrap around. + * + * An overflow notification is given if and when the interrupt + * threshold is reached during or after the write. + * + * Returns the number of bytes written or -Eerrno. + * + * task: the task to access; + * NULL to access the current cpu + * buffer: the buffer to write + * size: the size of the buffer + */ +extern int ds_write_bts(struct task_struct *task, + const void *buffer, size_t size); +extern int ds_write_pebs(struct task_struct *task, + const void *buffer, size_t size); + +/* + * Same as ds_write_bts/pebs, but omit ownership checks. + * + * This is needed to have some other task than the owner of the + * BTS/PEBS buffer or the parameter task itself write into the + * respective buffer. + */ +extern int ds_unchecked_write_bts(struct task_struct *task, + const void *buffer, size_t size); +extern int ds_unchecked_write_pebs(struct task_struct *task, + const void *buffer, size_t size); + +/* + * Reset the write pointer of the BTS/PEBS buffer. + * + * Returns 0 on success; -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + */ +extern int ds_reset_bts(struct task_struct *task); +extern int ds_reset_pebs(struct task_struct *task); + +/* + * Clear the BTS/PEBS buffer and reset the write pointer. + * The entire buffer will be zeroed out. + * + * Returns 0 on success; -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + */ +extern int ds_clear_bts(struct task_struct *task); +extern int ds_clear_pebs(struct task_struct *task); + +/* + * Provide the PEBS counter reset value. + * + * Returns 0 on success; -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + * value (out): the counter reset value + */ +extern int ds_get_pebs_reset(struct task_struct *task, u64 *value); + +/* + * Set the PEBS counter reset value. + * + * Returns 0 on success; -Eerrno on error + * + * task: the task to access; + * NULL to access the current cpu + * value: the new counter reset value + */ +extern int ds_set_pebs_reset(struct task_struct *task, u64 value); + +/* + * Initialization + */ +struct cpuinfo_x86; +extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *); + + -struct bts_struct { - u64 qualifier; - union { - /* BTS_BRANCH */ - struct { - u64 from_ip; - u64 to_ip; - } lbr; - /* BTS_TASK_ARRIVES or - BTS_TASK_DEPARTS */ - u64 jiffies; - } variant; +/* + * The DS context - part of struct thread_struct. + */ +struct ds_context { + /* pointer to the DS configuration; goes into MSR_IA32_DS_AREA */ + unsigned char *ds; + /* the owner of the BTS and PEBS configuration, respectively */ + struct task_struct *owner[2]; + /* buffer overflow notification function for BTS and PEBS */ + ds_ovfl_callback_t callback[2]; + /* the original buffer address */ + void *buffer[2]; + /* the number of allocated pages for on-request allocated buffers */ + unsigned int pages[2]; + /* use count */ + unsigned long count; + /* a pointer to the context location inside the thread_struct + * or the per_cpu context array */ + struct ds_context **this; + /* a pointer to the task owning this context, or NULL, if the + * context is owned by a cpu */ + struct task_struct *task; }; -/* Overflow handling mechanisms */ -#define DS_O_SIGNAL 1 /* send overflow signal */ -#define DS_O_WRAP 2 /* wrap around */ - -extern int ds_allocate(void **, size_t); -extern int ds_free(void **); -extern int ds_get_bts_size(void *); -extern int ds_get_bts_end(void *); -extern int ds_get_bts_index(void *); -extern int ds_set_overflow(void *, int); -extern int ds_get_overflow(void *); -extern int ds_clear(void *); -extern int ds_read_bts(void *, int, struct bts_struct *); -extern int ds_write_bts(void *, const struct bts_struct *); -extern unsigned long ds_debugctl_mask(void); -extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *c); +/* called by exit_thread() to free leftover contexts */ +extern void ds_free(struct ds_context *context); + +#else /* CONFIG_X86_DS */ + +#define ds_init_intel(config) do {} while (0) +#endif /* CONFIG_X86_DS */ #endif /* _ASM_X86_DS_H */ diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 559105220a47..beaccb71628f 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -20,6 +20,7 @@ struct mm_struct; #include #include #include +#include #include #include @@ -415,9 +416,14 @@ struct thread_struct { unsigned io_bitmap_max; /* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set. */ unsigned long debugctlmsr; -/* Debug Store - if not 0 points to a DS Save Area configuration; - * goes into MSR_IA32_DS_AREA */ - unsigned long ds_area_msr; +#ifdef CONFIG_X86_DS +/* Debug Store context; see include/asm-x86/ds.h; goes into MSR_IA32_DS_AREA */ + struct ds_context *ds_ctx; +#endif /* CONFIG_X86_DS */ +#ifdef CONFIG_X86_PTRACE_BTS +/* the signal to send on a bts buffer overflow */ + unsigned int bts_ovfl_signal; +#endif /* CONFIG_X86_PTRACE_BTS */ }; static inline unsigned long native_get_debugreg(int regno) diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h index f224eb3c3157..9bcaa75cbcaf 100644 --- a/include/asm-x86/ptrace-abi.h +++ b/include/asm-x86/ptrace-abi.h @@ -80,8 +80,9 @@ #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ -#ifndef __ASSEMBLY__ +#ifdef CONFIG_X86_PTRACE_BTS +#ifndef __ASSEMBLY__ #include /* configuration/status structure used in PTRACE_BTS_CONFIG and @@ -97,20 +98,20 @@ struct ptrace_bts_config { /* actual size of bts_struct in bytes */ __u32 bts_size; }; -#endif +#endif /* __ASSEMBLY__ */ #define PTRACE_BTS_O_TRACE 0x1 /* branch trace */ #define PTRACE_BTS_O_SCHED 0x2 /* scheduling events w/ jiffies */ #define PTRACE_BTS_O_SIGNAL 0x4 /* send SIG on buffer overflow instead of wrapping around */ -#define PTRACE_BTS_O_CUT_SIZE 0x8 /* cut requested size to max available - instead of failing */ +#define PTRACE_BTS_O_ALLOC 0x8 /* (re)allocate buffer */ #define PTRACE_BTS_CONFIG 40 /* Configure branch trace recording. ADDR points to a struct ptrace_bts_config. DATA gives the size of that buffer. - A new buffer is allocated, iff the size changes. + A new buffer is allocated, if requested in the flags. + An overflow signal may only be requested for new buffers. Returns the number of bytes read. */ #define PTRACE_BTS_STATUS 41 @@ -119,7 +120,7 @@ struct ptrace_bts_config { Returns the number of bytes written. */ #define PTRACE_BTS_SIZE 42 -/* Return the number of available BTS records. +/* Return the number of available BTS records for draining. DATA and ADDR are ignored. */ #define PTRACE_BTS_GET 43 @@ -139,5 +140,6 @@ struct ptrace_bts_config { BTS records are read from oldest to newest. Returns number of BTS records drained. */ +#endif /* CONFIG_X86_PTRACE_BTS */ #endif diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 9f922b0b95d6..6303701d18e3 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -125,14 +125,48 @@ struct pt_regs { #endif /* __KERNEL__ */ #endif /* !__i386__ */ + +#ifdef CONFIG_X86_PTRACE_BTS +/* a branch trace record entry + * + * In order to unify the interface between various processor versions, + * we use the below data structure for all processors. + */ +enum bts_qualifier { + BTS_INVALID = 0, + BTS_BRANCH, + BTS_TASK_ARRIVES, + BTS_TASK_DEPARTS +}; + +struct bts_struct { + __u64 qualifier; + union { + /* BTS_BRANCH */ + struct { + __u64 from_ip; + __u64 to_ip; + } lbr; + /* BTS_TASK_ARRIVES or + BTS_TASK_DEPARTS */ + __u64 jiffies; + } variant; +}; +#endif /* CONFIG_X86_PTRACE_BTS */ + #ifdef __KERNEL__ -/* the DS BTS struct is used for ptrace as well */ -#include +#include +struct cpuinfo_x86; struct task_struct; +#ifdef CONFIG_X86_PTRACE_BTS +extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *); extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier); +#else +#define ptrace_bts_init_intel(config) do {} while (0) +#endif /* CONFIG_X86_PTRACE_BTS */ extern unsigned long profile_pc(struct pt_regs *regs); -- GitLab From 970e725098a6da5a9c1f8128102c812e31a0444c Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 16 Apr 2008 16:40:17 -0700 Subject: [PATCH 0002/6244] x86, ptrace: PEBS support, warning fix arch/x86/kernel/process_32.c:566: warning: unused variable 'ds_next' arch/x86/kernel/process_32.c:566: warning: unused variable 'ds_prev' Cc: Markus Metzger Cc: Andi Kleen Cc: "H. Peter Anvin" Cc: "Siddha, Suresh B" Cc: Roland McGrath Cc: Michael Kerrisk Cc: Cc: stephane eranian Cc: Jason Wessel Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/process_32.c | 37 ++++++++++++++++++++++++------------ 1 file changed, 25 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 5cec8a75a4e8..496ea3110aa2 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -484,20 +484,13 @@ int set_tsc_mode(unsigned int val) return 0; } -static noinline void -__switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, - struct tss_struct *tss) +#ifdef CONFIG_X86_DS +static int update_debugctl(struct thread_struct *prev, + struct thread_struct *next, unsigned long debugctl) { - struct thread_struct *prev, *next; - unsigned long debugctl; - unsigned long ds_prev = 0, ds_next = 0; + unsigned long ds_prev = 0; + unsigned long ds_next = 0; - prev = &prev_p->thread; - next = &next_p->thread; - - debugctl = prev->debugctlmsr; - -#ifdef CONFIG_X86_DS if (prev->ds_ctx) ds_prev = (unsigned long)prev->ds_ctx->ds; if (next->ds_ctx) @@ -510,8 +503,28 @@ __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, update_debugctlmsr(0); wrmsr(MSR_IA32_DS_AREA, ds_next, 0); } + return debugctl; +} +#else +static int update_debugctl(struct thread_struct *prev, + struct thread_struct *next, unsigned long debugctl) +{ + return debugctl; +} #endif /* CONFIG_X86_DS */ +static noinline void +__switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, + struct tss_struct *tss) +{ + struct thread_struct *prev, *next; + unsigned long debugctl; + + prev = &prev_p->thread; + next = &next_p->thread; + + debugctl = update_debugctl(prev, next, prev->debugctlmsr); + if (next->debugctlmsr != debugctl) update_debugctlmsr(next->debugctlmsr); -- GitLab From 573da4224e8c3800e613d715e909c3179a7e3cb2 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 28 Apr 2008 23:15:04 +0400 Subject: [PATCH 0003/6244] x86: DS cleanup - dont treat 0 as NULL Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/ds.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 5b32b6d062b4..24a323c95997 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -238,12 +238,12 @@ static inline struct ds_context *ds_alloc_context(struct task_struct *task) context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) - return 0; + return NULL; context->ds = kzalloc(ds_cfg.sizeof_ds, GFP_KERNEL); if (!context->ds) { kfree(context); - return 0; + return NULL; } *p_context = context; @@ -279,7 +279,7 @@ static inline void ds_put_context(struct ds_context *context) if (--context->count) goto out; - *(context->this) = 0; + *(context->this) = NULL; if (context->task) clear_tsk_thread_flag(context->task, TIF_DS_AREA_MSR); @@ -341,16 +341,16 @@ static inline void *ds_allocate_buffer(size_t size, unsigned int *pages) rlim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT; vm = current->mm->total_vm + pgsz; if (rlim < vm) - return 0; + return NULL; rlim = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT; vm = current->mm->locked_vm + pgsz; if (rlim < vm) - return 0; + return NULL; buffer = kzalloc(size, GFP_KERNEL); if (!buffer) - return 0; + return NULL; current->mm->total_vm += pgsz; current->mm->locked_vm += pgsz; @@ -395,7 +395,7 @@ static int ds_request(struct task_struct *task, void *base, size_t size, if (context->owner[qual] == current) goto out_unlock; error = -EPERM; - if (context->owner[qual] != 0) + if (context->owner[qual] != NULL) goto out_unlock; context->owner[qual] = current; @@ -445,7 +445,7 @@ static int ds_request(struct task_struct *task, void *base, size_t size, return error; out_release: - context->owner[qual] = 0; + context->owner[qual] = NULL; ds_put_context(context); return error; @@ -825,7 +825,7 @@ void __cpuinit ds_init_intel(struct cpuinfo_x86 *c) ds_configure(&ds_cfg_var); break; case 0xF: /* Core2 */ - case 0x1C: /* Atom */ + case 0x1C: /* Atom */ ds_configure(&ds_cfg_64); break; default: -- GitLab From 34b2cd5b688b012975fcfc3b3970fc3508fa82c4 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sat, 17 May 2008 08:30:07 +0200 Subject: [PATCH 0004/6244] x86: PEBS cleanup Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_64.c | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ad213494a22f..4a93c98a60a2 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -500,7 +500,6 @@ static inline void __switch_to_xtra(struct task_struct *prev_p, { struct thread_struct *prev, *next; unsigned long debugctl; - unsigned long ds_prev = 0, ds_next = 0; prev = &prev_p->thread, next = &next_p->thread; @@ -508,17 +507,23 @@ static inline void __switch_to_xtra(struct task_struct *prev_p, debugctl = prev->debugctlmsr; #ifdef CONFIG_X86_DS - if (prev->ds_ctx) - ds_prev = (unsigned long)prev->ds_ctx->ds; - if (next->ds_ctx) - ds_next = (unsigned long)next->ds_ctx->ds; - - if (ds_next != ds_prev) { - /* we clear debugctl to make sure DS - * is not in use when we change it */ - debugctl = 0; - update_debugctlmsr(0); - wrmsrl(MSR_IA32_DS_AREA, ds_next); + { + unsigned long ds_prev = 0, ds_next = 0; + + if (prev->ds_ctx) + ds_prev = (unsigned long)prev->ds_ctx->ds; + if (next->ds_ctx) + ds_next = (unsigned long)next->ds_ctx->ds; + + if (ds_next != ds_prev) { + /* + * We clear debugctl to make sure DS + * is not in use when we change it: + */ + debugctl = 0; + update_debugctlmsr(0); + wrmsrl(MSR_IA32_DS_AREA, ds_next); + } } #endif /* CONFIG_X86_DS */ -- GitLab From 63cc8c75156462d4b42cbdd76c293b7eee7ddbfe Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 12 May 2008 15:44:40 +0200 Subject: [PATCH 0005/6244] percpu: introduce DEFINE_PER_CPU_PAGE_ALIGNED() macro While examining holes in percpu section I found this : c05f5000 D per_cpu__current_task c05f5000 D __per_cpu_start c05f5004 D per_cpu__cpu_number c05f5008 D per_cpu__irq_regs c05f500c d per_cpu__cpu_devices c05f5040 D per_cpu__cyc2ns c05f6000 d per_cpu__cpuid4_info c05f6004 d per_cpu__cache_kobject c05f6008 d per_cpu__index_kobject c05f7000 D per_cpu__gdt_page This is because gdt_page is a percpu variable, defined with a page alignement, and linker is doing its job, two times because of .o nesting in the build process. I introduced a new macro DEFINE_PER_CPU_PAGE_ALIGNED() to avoid wasting this space. All page aligned variables (only one at this time) are put in a separate subsection .data.percpu.page_aligned, at the very begining of percpu zone. Before patch , on a x86_32 machine : .data.percpu 30232 3227471872 .data.percpu 22168 3227471872 Thats 8064 bytes saved for each CPU. Signed-off-by: Eric Dumazet Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/cpu/common.c | 2 +- arch/x86/kernel/vmlinux_32.lds.S | 1 + include/asm-generic/vmlinux.lds.h | 1 + include/linux/percpu.h | 7 +++++++ 4 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index d0463a946247..b2f54fafb8bc 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -21,7 +21,7 @@ #include "cpu.h" -DEFINE_PER_CPU(struct gdt_page, gdt_page) = { .gdt = { +DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { [GDT_ENTRY_KERNEL_CS] = { { { 0x0000ffff, 0x00cf9a00 } } }, [GDT_ENTRY_KERNEL_DS] = { { { 0x0000ffff, 0x00cf9200 } } }, [GDT_ENTRY_DEFAULT_USER_CS] = { { { 0x0000ffff, 0x00cffa00 } } }, diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S index ce5ed083a1e9..0f7c29a8c4ea 100644 --- a/arch/x86/kernel/vmlinux_32.lds.S +++ b/arch/x86/kernel/vmlinux_32.lds.S @@ -189,6 +189,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { __per_cpu_start = .; + *(.data.percpu.page_aligned) *(.data.percpu) *(.data.percpu.shared_aligned) __per_cpu_end = .; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index f054778e916c..69e5c1182fde 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -348,6 +348,7 @@ . = ALIGN(align); \ __per_cpu_start = .; \ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ } \ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 4cdd393e71e1..2edacc8e6b8b 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -23,12 +23,19 @@ __attribute__((__section__(SHARED_ALIGNED_SECTION))) \ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name \ ____cacheline_aligned_in_smp + +#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ + __attribute__((__section__(".data.percpu.page_aligned"))) \ + PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name #else #define DEFINE_PER_CPU(type, name) \ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name #define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ DEFINE_PER_CPU(type, name) + +#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \ + DEFINE_PER_CPU(type, name) #endif #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) -- GitLab From 70ef6d595b6e51618a0cbe44b848d8c9db11a010 Mon Sep 17 00:00:00 2001 From: Kevin Hao Date: Thu, 29 May 2008 18:41:04 +0800 Subject: [PATCH 0006/6244] x86: get irq for hpet timer HPET timer's IRQ is 0 by default. So we have to select which irq will be used by these timers. We wait to set the timer's irq until we really open it in order to reduce the chance of conflicting with other device. Signed-off-by: Kevin Hao Signed-off-by: Ingo Molnar --- drivers/char/hpet.c | 63 ++++++++++++++++++++++++++++++++++++++++++++ include/linux/hpet.h | 3 ++- 2 files changed, 65 insertions(+), 1 deletion(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index e7fb0bca3667..c9bf5d44402d 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -184,6 +184,67 @@ static irqreturn_t hpet_interrupt(int irq, void *data) return IRQ_HANDLED; } +static void hpet_timer_set_irq(struct hpet_dev *devp) +{ + unsigned long v; + int irq, gsi; + struct hpet_timer __iomem *timer; + + spin_lock_irq(&hpet_lock); + if (devp->hd_hdwirq) { + spin_unlock_irq(&hpet_lock); + return; + } + + timer = devp->hd_timer; + + /* we prefer level triggered mode */ + v = readl(&timer->hpet_config); + if (!(v & Tn_INT_TYPE_CNF_MASK)) { + v |= Tn_INT_TYPE_CNF_MASK; + writel(v, &timer->hpet_config); + } + spin_unlock_irq(&hpet_lock); + + v = (readq(&timer->hpet_config) & Tn_INT_ROUTE_CAP_MASK) >> + Tn_INT_ROUTE_CAP_SHIFT; + + /* + * In PIC mode, skip IRQ0-4, IRQ6-9, IRQ12-15 which is always used by + * legacy device. In IO APIC mode, we skip all the legacy IRQS. + */ + if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) + v &= ~0xf3df; + else + v &= ~0xffff; + + for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ; + irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) { + + if (irq >= NR_IRQS) { + irq = HPET_MAX_IRQ; + break; + } + + gsi = acpi_register_gsi(irq, ACPI_LEVEL_SENSITIVE, + ACPI_ACTIVE_LOW); + if (gsi > 0) + break; + + /* FIXME: Setup interrupt source table */ + } + + if (irq < HPET_MAX_IRQ) { + spin_lock_irq(&hpet_lock); + v = readl(&timer->hpet_config); + v |= irq << Tn_INT_ROUTE_CNF_SHIFT; + writel(v, &timer->hpet_config); + devp->hd_hdwirq = gsi; + spin_unlock_irq(&hpet_lock); + } + return; +} + static int hpet_open(struct inode *inode, struct file *file) { struct hpet_dev *devp; @@ -215,6 +276,8 @@ static int hpet_open(struct inode *inode, struct file *file) devp->hd_flags |= HPET_OPEN; spin_unlock_irq(&hpet_lock); + hpet_timer_set_irq(devp); + return 0; } diff --git a/include/linux/hpet.h b/include/linux/hpet.h index 2dc29ce6c8e4..6d2626b63a9a 100644 --- a/include/linux/hpet.h +++ b/include/linux/hpet.h @@ -37,6 +37,7 @@ struct hpet { #define hpet_compare _u1._hpet_compare #define HPET_MAX_TIMERS (32) +#define HPET_MAX_IRQ (32) /* * HPET general capabilities register @@ -64,7 +65,7 @@ struct hpet { */ #define Tn_INT_ROUTE_CAP_MASK (0xffffffff00000000ULL) -#define Tn_INI_ROUTE_CAP_SHIFT (32UL) +#define Tn_INT_ROUTE_CAP_SHIFT (32UL) #define Tn_FSB_INT_DELCAP_MASK (0x8000UL) #define Tn_FSB_INT_DELCAP_SHIFT (15) #define Tn_FSB_EN_CNF_MASK (0x4000UL) -- GitLab From 3243b4ed817fad04e56e7b7dc78ec28dc8322ff2 Mon Sep 17 00:00:00 2001 From: Krzysztof Oledzki Date: Wed, 4 Jun 2008 03:40:17 +0200 Subject: [PATCH 0007/6244] x86: add another PCI ID for ICH6 force-hpet Tested on Asus P5GDC-V $ lspci -n -n |grep ISA 00:1f.0 ISA bridge [0601]: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC Interface Bridge [8086:2640] (rev 03) Force enabled HPET at base address 0xfed00000 hpet clockevent registered hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 hpet0: 3 64-bit timers, 14318180 Hz Signed-off-by: Krzysztof Piotr Oledzki Signed-off-by: Ingo Molnar --- arch/x86/kernel/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index d89a648fe710..06e1fd6be835 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -158,6 +158,8 @@ static void ich_force_enable_hpet(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_0, ich_force_enable_hpet); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0, + ich_force_enable_hpet); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, ich_force_enable_hpet); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0, -- GitLab From 59ea746337c69f6a5f1bc4d5e8544b3cbf12f801 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 12 Jun 2008 13:56:40 +0200 Subject: [PATCH 0008/6244] MM: virtual address debug Add some (configurable) expensive sanity checking to catch wrong address translations on x86. - create linux/mmdebug.h file to be able include this file in asm headers to not get unsolvable loops in header files - __phys_addr on x86_32 became a function in ioremap.c since PAGE_OFFSET, is_vmalloc_addr and VMALLOC_* non-constasts are undefined if declared in page_32.h - add __phys_addr_const for initializing doublefault_tss.__cr3 Tested on 386, 386pae, x86_64 and x86_64 numa=fake=2. Contains Andi's enable numa virtual address debug patch. Signed-off-by: Jiri Slaby Cc: Andi Kleen Signed-off-by: Ingo Molnar --- arch/x86/kernel/doublefault_32.c | 2 +- arch/x86/mm/ioremap.c | 31 ++++++++++++++++++++++++------- include/asm-x86/mmzone_64.h | 2 +- include/asm-x86/page_32.h | 3 ++- include/linux/mm.h | 7 +------ include/linux/mmdebug.h | 18 ++++++++++++++++++ lib/Kconfig.debug | 9 +++++++++ mm/vmalloc.c | 5 +++++ 8 files changed, 61 insertions(+), 16 deletions(-) create mode 100644 include/linux/mmdebug.h diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c index a47798b59f07..395acb12b0d1 100644 --- a/arch/x86/kernel/doublefault_32.c +++ b/arch/x86/kernel/doublefault_32.c @@ -66,6 +66,6 @@ struct tss_struct doublefault_tss __cacheline_aligned = { .ds = __USER_DS, .fs = __KERNEL_PERCPU, - .__cr3 = __pa(swapper_pg_dir) + .__cr3 = __phys_addr_const((unsigned long)swapper_pg_dir) } }; diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 2b2bb3f9b683..a78ffef62a2b 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -23,18 +23,26 @@ #ifdef CONFIG_X86_64 -unsigned long __phys_addr(unsigned long x) +static inline int phys_addr_valid(unsigned long addr) { - if (x >= __START_KERNEL_map) - return x - __START_KERNEL_map + phys_base; - return x - PAGE_OFFSET; + return addr < (1UL << boot_cpu_data.x86_phys_bits); } -EXPORT_SYMBOL(__phys_addr); -static inline int phys_addr_valid(unsigned long addr) +unsigned long __phys_addr(unsigned long x) { - return addr < (1UL << boot_cpu_data.x86_phys_bits); + if (x >= __START_KERNEL_map) { + x -= __START_KERNEL_map; + VIRTUAL_BUG_ON(x >= KERNEL_IMAGE_SIZE); + x += phys_base; + } else { + VIRTUAL_BUG_ON(x < PAGE_OFFSET); + x -= PAGE_OFFSET; + VIRTUAL_BUG_ON(system_state == SYSTEM_BOOTING ? x > MAXMEM : + !phys_addr_valid(x)); + } + return x; } +EXPORT_SYMBOL(__phys_addr); #else @@ -43,6 +51,15 @@ static inline int phys_addr_valid(unsigned long addr) return 1; } +unsigned long __phys_addr(unsigned long x) +{ + /* VMALLOC_* aren't constants; not available at the boot time */ + VIRTUAL_BUG_ON(x < PAGE_OFFSET || (system_state != SYSTEM_BOOTING && + is_vmalloc_addr((void *)x))); + return x - PAGE_OFFSET; +} +EXPORT_SYMBOL(__phys_addr); + #endif int page_is_ram(unsigned long pagenr) diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h index 594bd0dc1d08..facde3e5314f 100644 --- a/include/asm-x86/mmzone_64.h +++ b/include/asm-x86/mmzone_64.h @@ -7,7 +7,7 @@ #ifdef CONFIG_NUMA -#define VIRTUAL_BUG_ON(x) +#include #include diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index 424e82f8ae27..9159bfb9dcf9 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -64,7 +64,8 @@ typedef struct page *pgtable_t; #endif #ifndef __ASSEMBLY__ -#define __phys_addr(x) ((x) - PAGE_OFFSET) +#define __phys_addr_const(x) ((x) - PAGE_OFFSET) +extern unsigned long __phys_addr(unsigned long); #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) #ifdef CONFIG_FLATMEM diff --git a/include/linux/mm.h b/include/linux/mm.h index 586a943cab01..3414a8813e97 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -7,6 +7,7 @@ #include #include +#include #include #include #include @@ -210,12 +211,6 @@ struct inode; */ #include -#ifdef CONFIG_DEBUG_VM -#define VM_BUG_ON(cond) BUG_ON(cond) -#else -#define VM_BUG_ON(condition) do { } while(0) -#endif - /* * Methods to modify the page usage count. * diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h new file mode 100644 index 000000000000..860ed1a71bbe --- /dev/null +++ b/include/linux/mmdebug.h @@ -0,0 +1,18 @@ +#ifndef LINUX_MM_DEBUG_H +#define LINUX_MM_DEBUG_H 1 + +#include + +#ifdef CONFIG_DEBUG_VM +#define VM_BUG_ON(cond) BUG_ON(cond) +#else +#define VM_BUG_ON(cond) do { } while(0) +#endif + +#ifdef CONFIG_DEBUG_VIRTUAL +#define VIRTUAL_BUG_ON(cond) BUG_ON(cond) +#else +#define VIRTUAL_BUG_ON(cond) do { } while(0) +#endif + +#endif diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d2099f41aa1e..9d9dc0ddf13a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -469,6 +469,15 @@ config DEBUG_VM If unsure, say N. +config DEBUG_VIRTUAL + bool "Debug VM translations" + depends on DEBUG_KERNEL && X86 + help + Enable some costly sanity checks in virtual to page code. This can + catch mistakes with virt_to_page() and friends. + + If unsure, say N. + config DEBUG_WRITECOUNT bool "Debug filesystem writers count" depends on DEBUG_KERNEL diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 6e45b0f3d125..dc41e9c8ca6f 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -180,6 +180,11 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) pmd_t *pmd; pte_t *ptep, pte; + /* XXX we might need to change this if we add VIRTUAL_BUG_ON for + * architectures that do not vmalloc module space */ + VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && + !is_module_address(addr)); + if (!pgd_none(*pgd)) { pud = pud_offset(pgd, addr); if (!pud_none(*pud)) { -- GitLab From a1bf9631be7332ce0641e299ddafad2d8223100f Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 12 Jun 2008 13:56:40 +0200 Subject: [PATCH 0009/6244] x86, MM: virtual address debug, v2 I've removed the test from phys_to_nid and made a function from __phys_addr only when the debugging is enabled (on x86_32). Signed-off-by: Jiri Slaby Cc: tglx@linutronix.de Cc: hpa@zytor.com Cc: Mike Travis Cc: Nick Piggin Cc: Cc: linux-mm@kvack.org Cc: Jiri Slaby Cc: Andi Kleen Signed-off-by: Ingo Molnar --- arch/x86/mm/ioremap.c | 2 ++ include/asm-x86/mmzone_64.h | 1 - include/asm-x86/page_32.h | 4 ++++ 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index a78ffef62a2b..9dd3cb905971 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -51,6 +51,7 @@ static inline int phys_addr_valid(unsigned long addr) return 1; } +#ifdef CONFIG_DEBUG_VIRTUAL unsigned long __phys_addr(unsigned long x) { /* VMALLOC_* aren't constants; not available at the boot time */ @@ -59,6 +60,7 @@ unsigned long __phys_addr(unsigned long x) return x - PAGE_OFFSET; } EXPORT_SYMBOL(__phys_addr); +#endif #endif diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h index facde3e5314f..5e3a6cbddb49 100644 --- a/include/asm-x86/mmzone_64.h +++ b/include/asm-x86/mmzone_64.h @@ -29,7 +29,6 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) { unsigned nid; VIRTUAL_BUG_ON(!memnodemap); - VIRTUAL_BUG_ON((addr >> memnode_shift) >= memnodemapsize); nid = memnodemap[addr >> memnode_shift]; VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); return nid; diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index 9159bfb9dcf9..71a2e424e584 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -65,7 +65,11 @@ typedef struct page *pgtable_t; #ifndef __ASSEMBLY__ #define __phys_addr_const(x) ((x) - PAGE_OFFSET) +#ifdef CONFIG_DEBUG_VIRTUAL extern unsigned long __phys_addr(unsigned long); +#else +#define __phys_addr(x) ((x) - PAGE_OFFSET) +#endif #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) #ifdef CONFIG_FLATMEM -- GitLab From 7aa413def76146f7b3784228556d9e4bc562eab3 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 19 Jun 2008 13:28:11 +0200 Subject: [PATCH 0010/6244] x86, MM: virtual address debug, cleanups Signed-off-by: Ingo Molnar --- include/linux/mmdebug.h | 4 ++-- mm/vmalloc.c | 6 ++++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 860ed1a71bbe..8a5509877192 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -6,13 +6,13 @@ #ifdef CONFIG_DEBUG_VM #define VM_BUG_ON(cond) BUG_ON(cond) #else -#define VM_BUG_ON(cond) do { } while(0) +#define VM_BUG_ON(cond) do { } while (0) #endif #ifdef CONFIG_DEBUG_VIRTUAL #define VIRTUAL_BUG_ON(cond) BUG_ON(cond) #else -#define VIRTUAL_BUG_ON(cond) do { } while(0) +#define VIRTUAL_BUG_ON(cond) do { } while (0) #endif #endif diff --git a/mm/vmalloc.c b/mm/vmalloc.c index dc41e9c8ca6f..830a5580c5d7 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -180,8 +180,10 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) pmd_t *pmd; pte_t *ptep, pte; - /* XXX we might need to change this if we add VIRTUAL_BUG_ON for - * architectures that do not vmalloc module space */ + /* + * XXX we might need to change this if we add VIRTUAL_BUG_ON for + * architectures that do not vmalloc module space + */ VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && !is_module_address(addr)); -- GitLab From f3561810b163aca5388ad550abbbc82ae5323189 Mon Sep 17 00:00:00 2001 From: Joe Buehler Date: Mon, 9 Jun 2008 08:55:20 -0400 Subject: [PATCH 0011/6244] x86: add PCI ID for 6300ESB force hpet 00:1f.0 ISA bridge: Intel Corporation 6300ESB LPC Interface Controller (rev 02) 00:1f.0 Class 0601: 8086:25a1 (rev 02) kernel: pci 0000:00:1f.0: Force enabled HPET at 0xfed00000 kernel: hpet clockevent registered kernel: hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 kernel: hpet0: 3 64-bit timers, 14318180 Hz Signed-off-by: Ingo Molnar --- arch/x86/kernel/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index 06e1fd6be835..f327abafe3e6 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -257,6 +257,8 @@ static void old_ich_force_enable_hpet_user(struct pci_dev *dev) old_ich_force_enable_hpet(dev); } +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1, + old_ich_force_enable_hpet_user); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, old_ich_force_enable_hpet_user); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, -- GitLab From e61d98d8dad0048619bb138b0ff996422ffae53b Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:35 -0700 Subject: [PATCH 0012/6244] x64, x2apic/intr-remap: Intel vt-d, IOMMU code reorganization code reorganization of the generic Intel vt-d parsing related routines and linux iommu routines specific to Intel vt-d. drivers/pci/dmar.c now contains the generic vt-d parsing related routines drivers/pci/intel_iommu.c contains the iommu routines specific to vt-d Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dma_remapping.h | 155 ++++++++++++++++++++++++++++++++++ drivers/pci/dmar.c | 90 +++++++++++++++++++- drivers/pci/intel-iommu.c | 92 ++------------------ drivers/pci/intel-iommu.h | 163 +++--------------------------------- 4 files changed, 264 insertions(+), 236 deletions(-) create mode 100644 drivers/pci/dma_remapping.h diff --git a/drivers/pci/dma_remapping.h b/drivers/pci/dma_remapping.h new file mode 100644 index 000000000000..05aac8ef96c7 --- /dev/null +++ b/drivers/pci/dma_remapping.h @@ -0,0 +1,155 @@ +#ifndef _DMA_REMAPPING_H +#define _DMA_REMAPPING_H + +/* + * We need a fixed PAGE_SIZE of 4K irrespective of + * arch PAGE_SIZE for IOMMU page tables. + */ +#define PAGE_SHIFT_4K (12) +#define PAGE_SIZE_4K (1UL << PAGE_SHIFT_4K) +#define PAGE_MASK_4K (((u64)-1) << PAGE_SHIFT_4K) +#define PAGE_ALIGN_4K(addr) (((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K) + +#define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT_4K) +#define DMA_32BIT_PFN IOVA_PFN(DMA_32BIT_MASK) +#define DMA_64BIT_PFN IOVA_PFN(DMA_64BIT_MASK) + + +/* + * 0: Present + * 1-11: Reserved + * 12-63: Context Ptr (12 - (haw-1)) + * 64-127: Reserved + */ +struct root_entry { + u64 val; + u64 rsvd1; +}; +#define ROOT_ENTRY_NR (PAGE_SIZE_4K/sizeof(struct root_entry)) +static inline bool root_present(struct root_entry *root) +{ + return (root->val & 1); +} +static inline void set_root_present(struct root_entry *root) +{ + root->val |= 1; +} +static inline void set_root_value(struct root_entry *root, unsigned long value) +{ + root->val |= value & PAGE_MASK_4K; +} + +struct context_entry; +static inline struct context_entry * +get_context_addr_from_root(struct root_entry *root) +{ + return (struct context_entry *) + (root_present(root)?phys_to_virt( + root->val & PAGE_MASK_4K): + NULL); +} + +/* + * low 64 bits: + * 0: present + * 1: fault processing disable + * 2-3: translation type + * 12-63: address space root + * high 64 bits: + * 0-2: address width + * 3-6: aval + * 8-23: domain id + */ +struct context_entry { + u64 lo; + u64 hi; +}; +#define context_present(c) ((c).lo & 1) +#define context_fault_disable(c) (((c).lo >> 1) & 1) +#define context_translation_type(c) (((c).lo >> 2) & 3) +#define context_address_root(c) ((c).lo & PAGE_MASK_4K) +#define context_address_width(c) ((c).hi & 7) +#define context_domain_id(c) (((c).hi >> 8) & ((1 << 16) - 1)) + +#define context_set_present(c) do {(c).lo |= 1;} while (0) +#define context_set_fault_enable(c) \ + do {(c).lo &= (((u64)-1) << 2) | 1;} while (0) +#define context_set_translation_type(c, val) \ + do { \ + (c).lo &= (((u64)-1) << 4) | 3; \ + (c).lo |= ((val) & 3) << 2; \ + } while (0) +#define CONTEXT_TT_MULTI_LEVEL 0 +#define context_set_address_root(c, val) \ + do {(c).lo |= (val) & PAGE_MASK_4K;} while (0) +#define context_set_address_width(c, val) do {(c).hi |= (val) & 7;} while (0) +#define context_set_domain_id(c, val) \ + do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0) +#define context_clear_entry(c) do {(c).lo = 0; (c).hi = 0;} while (0) + +/* + * 0: readable + * 1: writable + * 2-6: reserved + * 7: super page + * 8-11: available + * 12-63: Host physcial address + */ +struct dma_pte { + u64 val; +}; +#define dma_clear_pte(p) do {(p).val = 0;} while (0) + +#define DMA_PTE_READ (1) +#define DMA_PTE_WRITE (2) + +#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0) +#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0) +#define dma_set_pte_prot(p, prot) \ + do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0) +#define dma_pte_addr(p) ((p).val & PAGE_MASK_4K) +#define dma_set_pte_addr(p, addr) do {\ + (p).val |= ((addr) & PAGE_MASK_4K); } while (0) +#define dma_pte_present(p) (((p).val & 3) != 0) + +struct intel_iommu; + +struct dmar_domain { + int id; /* domain id */ + struct intel_iommu *iommu; /* back pointer to owning iommu */ + + struct list_head devices; /* all devices' list */ + struct iova_domain iovad; /* iova's that belong to this domain */ + + struct dma_pte *pgd; /* virtual address */ + spinlock_t mapping_lock; /* page table lock */ + int gaw; /* max guest address width */ + + /* adjusted guest address width, 0 is level 2 30-bit */ + int agaw; + +#define DOMAIN_FLAG_MULTIPLE_DEVICES 1 + int flags; +}; + +/* PCI domain-device relationship */ +struct device_domain_info { + struct list_head link; /* link to domain siblings */ + struct list_head global; /* link to global list */ + u8 bus; /* PCI bus numer */ + u8 devfn; /* PCI devfn number */ + struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */ + struct dmar_domain *domain; /* pointer to domain */ +}; + +extern int init_dmars(void); +extern void free_dmar_iommu(struct intel_iommu *iommu); + +#ifndef CONFIG_DMAR_GFX_WA +static inline void iommu_prepare_gfx_mapping(void) +{ + return; +} +#endif /* !CONFIG_DMAR_GFX_WA */ + +#endif diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index f941f609dbf3..c00e387f5b75 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -19,9 +19,11 @@ * Author: Shaohua Li * Author: Anil S Keshavamurthy * - * This file implements early detection/parsing of DMA Remapping Devices + * This file implements early detection/parsing of Remapping Devices * reported to OS through BIOS via DMA remapping reporting (DMAR) ACPI * tables. + * + * These routines are used by both DMA-remapping and Interrupt-remapping */ #include @@ -300,6 +302,37 @@ parse_dmar_table(void) return ret; } +int dmar_pci_device_match(struct pci_dev *devices[], int cnt, + struct pci_dev *dev) +{ + int index; + + while (dev) { + for (index = 0; index < cnt; index++) + if (dev == devices[index]) + return 1; + + /* Check our parent */ + dev = dev->bus->self; + } + + return 0; +} + +struct dmar_drhd_unit * +dmar_find_matched_drhd_unit(struct pci_dev *dev) +{ + struct dmar_drhd_unit *drhd = NULL; + + list_for_each_entry(drhd, &dmar_drhd_units, list) { + if (drhd->include_all || dmar_pci_device_match(drhd->devices, + drhd->devices_cnt, dev)) + return drhd; + } + + return NULL; +} + int __init dmar_table_init(void) { @@ -343,3 +376,58 @@ int __init early_dmar_detect(void) return (ACPI_SUCCESS(status) ? 1 : 0); } + +struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, + struct dmar_drhd_unit *drhd) +{ + int map_size; + u32 ver; + + iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K); + if (!iommu->reg) { + printk(KERN_ERR "IOMMU: can't map the region\n"); + goto error; + } + iommu->cap = dmar_readq(iommu->reg + DMAR_CAP_REG); + iommu->ecap = dmar_readq(iommu->reg + DMAR_ECAP_REG); + + /* the registers might be more than one page */ + map_size = max_t(int, ecap_max_iotlb_offset(iommu->ecap), + cap_max_fault_reg_offset(iommu->cap)); + map_size = PAGE_ALIGN_4K(map_size); + if (map_size > PAGE_SIZE_4K) { + iounmap(iommu->reg); + iommu->reg = ioremap(drhd->reg_base_addr, map_size); + if (!iommu->reg) { + printk(KERN_ERR "IOMMU: can't map the region\n"); + goto error; + } + } + + ver = readl(iommu->reg + DMAR_VER_REG); + pr_debug("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n", + drhd->reg_base_addr, DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver), + iommu->cap, iommu->ecap); + + spin_lock_init(&iommu->register_lock); + + drhd->iommu = iommu; + return iommu; +error: + kfree(iommu); + return NULL; +} + +void free_iommu(struct intel_iommu *iommu) +{ + if (!iommu) + return; + +#ifdef CONFIG_DMAR + free_dmar_iommu(iommu); +#endif + + if (iommu->reg) + iounmap(iommu->reg); + kfree(iommu); +} diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index bb0642318a95..1c0270d3e2e5 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -990,6 +990,8 @@ static int iommu_init_domains(struct intel_iommu *iommu) return -ENOMEM; } + spin_lock_init(&iommu->lock); + /* * if Caching mode is set, then invalid translations are tagged * with domainid 0. Hence we need to pre-allocate it. @@ -998,62 +1000,15 @@ static int iommu_init_domains(struct intel_iommu *iommu) set_bit(0, iommu->domain_ids); return 0; } -static struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, - struct dmar_drhd_unit *drhd) -{ - int ret; - int map_size; - u32 ver; - - iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K); - if (!iommu->reg) { - printk(KERN_ERR "IOMMU: can't map the region\n"); - goto error; - } - iommu->cap = dmar_readq(iommu->reg + DMAR_CAP_REG); - iommu->ecap = dmar_readq(iommu->reg + DMAR_ECAP_REG); - - /* the registers might be more than one page */ - map_size = max_t(int, ecap_max_iotlb_offset(iommu->ecap), - cap_max_fault_reg_offset(iommu->cap)); - map_size = PAGE_ALIGN_4K(map_size); - if (map_size > PAGE_SIZE_4K) { - iounmap(iommu->reg); - iommu->reg = ioremap(drhd->reg_base_addr, map_size); - if (!iommu->reg) { - printk(KERN_ERR "IOMMU: can't map the region\n"); - goto error; - } - } - ver = readl(iommu->reg + DMAR_VER_REG); - pr_debug("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n", - drhd->reg_base_addr, DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver), - iommu->cap, iommu->ecap); - ret = iommu_init_domains(iommu); - if (ret) - goto error_unmap; - spin_lock_init(&iommu->lock); - spin_lock_init(&iommu->register_lock); - - drhd->iommu = iommu; - return iommu; -error_unmap: - iounmap(iommu->reg); -error: - kfree(iommu); - return NULL; -} static void domain_exit(struct dmar_domain *domain); -static void free_iommu(struct intel_iommu *iommu) + +void free_dmar_iommu(struct intel_iommu *iommu) { struct dmar_domain *domain; int i; - if (!iommu) - return; - i = find_first_bit(iommu->domain_ids, cap_ndoms(iommu->cap)); for (; i < cap_ndoms(iommu->cap); ) { domain = iommu->domains[i]; @@ -1078,10 +1033,6 @@ static void free_iommu(struct intel_iommu *iommu) /* free context mapping */ free_context_table(iommu); - - if (iommu->reg) - iounmap(iommu->reg); - kfree(iommu); } static struct dmar_domain * iommu_alloc_domain(struct intel_iommu *iommu) @@ -1426,37 +1377,6 @@ find_domain(struct pci_dev *pdev) return NULL; } -static int dmar_pci_device_match(struct pci_dev *devices[], int cnt, - struct pci_dev *dev) -{ - int index; - - while (dev) { - for (index = 0; index < cnt; index++) - if (dev == devices[index]) - return 1; - - /* Check our parent */ - dev = dev->bus->self; - } - - return 0; -} - -static struct dmar_drhd_unit * -dmar_find_matched_drhd_unit(struct pci_dev *dev) -{ - struct dmar_drhd_unit *drhd = NULL; - - list_for_each_entry(drhd, &dmar_drhd_units, list) { - if (drhd->include_all || dmar_pci_device_match(drhd->devices, - drhd->devices_cnt, dev)) - return drhd; - } - - return NULL; -} - /* domain is initialized */ static struct dmar_domain *get_domain_for_dev(struct pci_dev *pdev, int gaw) { @@ -1764,6 +1684,10 @@ int __init init_dmars(void) goto error; } + ret = iommu_init_domains(iommu); + if (ret) + goto error; + /* * TBD: * we could share the same root & context tables diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index afc0ad96122e..9e5e98c76c05 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -27,19 +27,7 @@ #include #include "iova.h" #include - -/* - * We need a fixed PAGE_SIZE of 4K irrespective of - * arch PAGE_SIZE for IOMMU page tables. - */ -#define PAGE_SHIFT_4K (12) -#define PAGE_SIZE_4K (1UL << PAGE_SHIFT_4K) -#define PAGE_MASK_4K (((u64)-1) << PAGE_SHIFT_4K) -#define PAGE_ALIGN_4K(addr) (((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K) - -#define IOVA_PFN(addr) ((addr) >> PAGE_SHIFT_4K) -#define DMA_32BIT_PFN IOVA_PFN(DMA_32BIT_MASK) -#define DMA_64BIT_PFN IOVA_PFN(DMA_64BIT_MASK) +#include "dma_remapping.h" /* * Intel IOMMU register specification per version 1.0 public spec. @@ -187,158 +175,31 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define dma_frcd_source_id(c) (c & 0xffff) #define dma_frcd_page_addr(d) (d & (((u64)-1) << 12)) /* low 64 bit */ -/* - * 0: Present - * 1-11: Reserved - * 12-63: Context Ptr (12 - (haw-1)) - * 64-127: Reserved - */ -struct root_entry { - u64 val; - u64 rsvd1; -}; -#define ROOT_ENTRY_NR (PAGE_SIZE_4K/sizeof(struct root_entry)) -static inline bool root_present(struct root_entry *root) -{ - return (root->val & 1); -} -static inline void set_root_present(struct root_entry *root) -{ - root->val |= 1; -} -static inline void set_root_value(struct root_entry *root, unsigned long value) -{ - root->val |= value & PAGE_MASK_4K; -} - -struct context_entry; -static inline struct context_entry * -get_context_addr_from_root(struct root_entry *root) -{ - return (struct context_entry *) - (root_present(root)?phys_to_virt( - root->val & PAGE_MASK_4K): - NULL); -} - -/* - * low 64 bits: - * 0: present - * 1: fault processing disable - * 2-3: translation type - * 12-63: address space root - * high 64 bits: - * 0-2: address width - * 3-6: aval - * 8-23: domain id - */ -struct context_entry { - u64 lo; - u64 hi; -}; -#define context_present(c) ((c).lo & 1) -#define context_fault_disable(c) (((c).lo >> 1) & 1) -#define context_translation_type(c) (((c).lo >> 2) & 3) -#define context_address_root(c) ((c).lo & PAGE_MASK_4K) -#define context_address_width(c) ((c).hi & 7) -#define context_domain_id(c) (((c).hi >> 8) & ((1 << 16) - 1)) - -#define context_set_present(c) do {(c).lo |= 1;} while (0) -#define context_set_fault_enable(c) \ - do {(c).lo &= (((u64)-1) << 2) | 1;} while (0) -#define context_set_translation_type(c, val) \ - do { \ - (c).lo &= (((u64)-1) << 4) | 3; \ - (c).lo |= ((val) & 3) << 2; \ - } while (0) -#define CONTEXT_TT_MULTI_LEVEL 0 -#define context_set_address_root(c, val) \ - do {(c).lo |= (val) & PAGE_MASK_4K;} while (0) -#define context_set_address_width(c, val) do {(c).hi |= (val) & 7;} while (0) -#define context_set_domain_id(c, val) \ - do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0) -#define context_clear_entry(c) do {(c).lo = 0; (c).hi = 0;} while (0) - -/* - * 0: readable - * 1: writable - * 2-6: reserved - * 7: super page - * 8-11: available - * 12-63: Host physcial address - */ -struct dma_pte { - u64 val; -}; -#define dma_clear_pte(p) do {(p).val = 0;} while (0) - -#define DMA_PTE_READ (1) -#define DMA_PTE_WRITE (2) - -#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0) -#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0) -#define dma_set_pte_prot(p, prot) \ - do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0) -#define dma_pte_addr(p) ((p).val & PAGE_MASK_4K) -#define dma_set_pte_addr(p, addr) do {\ - (p).val |= ((addr) & PAGE_MASK_4K); } while (0) -#define dma_pte_present(p) (((p).val & 3) != 0) - -struct intel_iommu; - -struct dmar_domain { - int id; /* domain id */ - struct intel_iommu *iommu; /* back pointer to owning iommu */ - - struct list_head devices; /* all devices' list */ - struct iova_domain iovad; /* iova's that belong to this domain */ - - struct dma_pte *pgd; /* virtual address */ - spinlock_t mapping_lock; /* page table lock */ - int gaw; /* max guest address width */ - - /* adjusted guest address width, 0 is level 2 30-bit */ - int agaw; - -#define DOMAIN_FLAG_MULTIPLE_DEVICES 1 - int flags; -}; - -/* PCI domain-device relationship */ -struct device_domain_info { - struct list_head link; /* link to domain siblings */ - struct list_head global; /* link to global list */ - u8 bus; /* PCI bus numer */ - u8 devfn; /* PCI devfn number */ - struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */ - struct dmar_domain *domain; /* pointer to domain */ -}; - -extern int init_dmars(void); - struct intel_iommu { void __iomem *reg; /* Pointer to hardware regs, virtual addr */ u64 cap; u64 ecap; - unsigned long *domain_ids; /* bitmap of domains */ - struct dmar_domain **domains; /* ptr to domains */ int seg; u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */ - spinlock_t lock; /* protect context, domain ids */ spinlock_t register_lock; /* protect register handling */ + +#ifdef CONFIG_DMAR + unsigned long *domain_ids; /* bitmap of domains */ + struct dmar_domain **domains; /* ptr to domains */ + spinlock_t lock; /* protect context, domain ids */ struct root_entry *root_entry; /* virtual address */ unsigned int irq; unsigned char name[7]; /* Device Name */ struct msi_msg saved_msg; struct sys_device sysdev; +#endif }; -#ifndef CONFIG_DMAR_GFX_WA -static inline void iommu_prepare_gfx_mapping(void) -{ - return; -} -#endif /* !CONFIG_DMAR_GFX_WA */ +extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); + +extern struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, + struct dmar_drhd_unit *drhd); +extern void free_iommu(struct intel_iommu *iommu); #endif -- GitLab From c42d9f32443397aed2d37d37df161392e6a5862f Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:36 -0700 Subject: [PATCH 0013/6244] x64, x2apic/intr-remap: fix the need for sequential array allocation of iommus Clean up the intel-iommu code related to deferred iommu flush logic. There is no need to allocate all the iommu's as a sequential array. This will be used later in the interrupt-remapping patch series to allocate iommu much early and individually for each device remapping hardware unit. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 11 +++++++++-- drivers/pci/intel-iommu.c | 24 +++++++----------------- drivers/pci/intel-iommu.h | 4 ++-- 3 files changed, 18 insertions(+), 21 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index c00e387f5b75..1a59423a8eda 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -377,11 +377,18 @@ int __init early_dmar_detect(void) return (ACPI_SUCCESS(status) ? 1 : 0); } -struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, - struct dmar_drhd_unit *drhd) +struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) { + struct intel_iommu *iommu; int map_size; u32 ver; + static int iommu_allocated = 0; + + iommu = kzalloc(sizeof(*iommu), GFP_KERNEL); + if (!iommu) + return NULL; + + iommu->seq_id = iommu_allocated++; iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K); if (!iommu->reg) { diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 1c0270d3e2e5..4d59a6a1f4dd 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -58,8 +58,6 @@ static void flush_unmaps_timeout(unsigned long data); DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0); -static struct intel_iommu *g_iommus; - #define HIGH_WATER_MARK 250 struct deferred_flush_tables { int next; @@ -1649,8 +1647,6 @@ int __init init_dmars(void) * endfor */ for_each_drhd_unit(drhd) { - if (drhd->ignored) - continue; g_num_of_iommus++; /* * lock not needed as this is only incremented in the single @@ -1659,26 +1655,17 @@ int __init init_dmars(void) */ } - g_iommus = kzalloc(g_num_of_iommus * sizeof(*iommu), GFP_KERNEL); - if (!g_iommus) { - ret = -ENOMEM; - goto error; - } - deferred_flush = kzalloc(g_num_of_iommus * sizeof(struct deferred_flush_tables), GFP_KERNEL); if (!deferred_flush) { - kfree(g_iommus); ret = -ENOMEM; goto error; } - i = 0; for_each_drhd_unit(drhd) { if (drhd->ignored) continue; - iommu = alloc_iommu(&g_iommus[i], drhd); - i++; + iommu = alloc_iommu(drhd); if (!iommu) { ret = -ENOMEM; goto error; @@ -1770,7 +1757,6 @@ error: iommu = drhd->iommu; free_iommu(iommu); } - kfree(g_iommus); return ret; } @@ -1927,7 +1913,10 @@ static void flush_unmaps(void) /* just flush them all */ for (i = 0; i < g_num_of_iommus; i++) { if (deferred_flush[i].next) { - iommu_flush_iotlb_global(&g_iommus[i], 0); + struct intel_iommu *iommu = + deferred_flush[i].domain[0]->iommu; + + iommu_flush_iotlb_global(iommu, 0); for (j = 0; j < deferred_flush[i].next; j++) { __free_iova(&deferred_flush[i].domain[j]->iovad, deferred_flush[i].iova[j]); @@ -1957,7 +1946,8 @@ static void add_unmap(struct dmar_domain *dom, struct iova *iova) if (list_size == HIGH_WATER_MARK) flush_unmaps(); - iommu_id = dom->iommu - g_iommus; + iommu_id = dom->iommu->seq_id; + next = deferred_flush[iommu_id].next; deferred_flush[iommu_id].domain[next] = dom; deferred_flush[iommu_id].iova[next] = iova; diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 9e5e98c76c05..75c63f65b3f5 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -182,6 +182,7 @@ struct intel_iommu { int seg; u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */ spinlock_t register_lock; /* protect register handling */ + int seq_id; /* sequence id of the iommu */ #ifdef CONFIG_DMAR unsigned long *domain_ids; /* bitmap of domains */ @@ -198,8 +199,7 @@ struct intel_iommu { extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); -extern struct intel_iommu *alloc_iommu(struct intel_iommu *iommu, - struct dmar_drhd_unit *drhd); +extern struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd); extern void free_iommu(struct intel_iommu *iommu); #endif -- GitLab From 1886e8a90a580f3ad343f2065c84c1b9e1dac9ef Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:37 -0700 Subject: [PATCH 0014/6244] x64, x2apic/intr-remap: code re-structuring, to be used by both DMA and Interrupt remapping Allocate the iommu during the parse of DMA remapping hardware definition structures. And also, introduce routines for device scope initialization which will be explicitly called during dma-remapping initialization. These will be used for enabling interrupt remapping separately from the existing DMA-remapping enabling sequence. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 89 ++++++++++++++++++++++++++++++++------- drivers/pci/intel-iommu.c | 10 ++--- drivers/pci/intel-iommu.h | 2 +- include/linux/dmar.h | 10 ++++- 4 files changed, 88 insertions(+), 23 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 1a59423a8eda..158bc5bfcf75 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -174,19 +174,37 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) struct acpi_dmar_hardware_unit *drhd; struct dmar_drhd_unit *dmaru; int ret = 0; - static int include_all; dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL); if (!dmaru) return -ENOMEM; + dmaru->hdr = header; drhd = (struct acpi_dmar_hardware_unit *)header; dmaru->reg_base_addr = drhd->address; dmaru->include_all = drhd->flags & 0x1; /* BIT0: INCLUDE_ALL */ + ret = alloc_iommu(dmaru); + if (ret) { + kfree(dmaru); + return ret; + } + dmar_register_drhd_unit(dmaru); + return 0; +} + +static int __init +dmar_parse_dev(struct dmar_drhd_unit *dmaru) +{ + struct acpi_dmar_hardware_unit *drhd; + static int include_all; + int ret; + + drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr; + if (!dmaru->include_all) ret = dmar_parse_dev_scope((void *)(drhd + 1), - ((void *)drhd) + header->length, + ((void *)drhd) + drhd->header.length, &dmaru->devices_cnt, &dmaru->devices, drhd->segment); else { @@ -199,10 +217,10 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) include_all = 1; } - if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) + if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) { + list_del(&dmaru->list); kfree(dmaru); - else - dmar_register_drhd_unit(dmaru); + } return ret; } @@ -211,23 +229,35 @@ dmar_parse_one_rmrr(struct acpi_dmar_header *header) { struct acpi_dmar_reserved_memory *rmrr; struct dmar_rmrr_unit *rmrru; - int ret = 0; rmrru = kzalloc(sizeof(*rmrru), GFP_KERNEL); if (!rmrru) return -ENOMEM; + rmrru->hdr = header; rmrr = (struct acpi_dmar_reserved_memory *)header; rmrru->base_address = rmrr->base_address; rmrru->end_address = rmrr->end_address; + + dmar_register_rmrr_unit(rmrru); + return 0; +} + +static int __init +rmrr_parse_dev(struct dmar_rmrr_unit *rmrru) +{ + struct acpi_dmar_reserved_memory *rmrr; + int ret; + + rmrr = (struct acpi_dmar_reserved_memory *) rmrru->hdr; ret = dmar_parse_dev_scope((void *)(rmrr + 1), - ((void *)rmrr) + header->length, + ((void *)rmrr) + rmrr->header.length, &rmrru->devices_cnt, &rmrru->devices, rmrr->segment); - if (ret || (rmrru->devices_cnt == 0)) + if (ret || (rmrru->devices_cnt == 0)) { + list_del(&rmrru->list); kfree(rmrru); - else - dmar_register_rmrr_unit(rmrru); + } return ret; } @@ -333,15 +363,42 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev) return NULL; } +int __init dmar_dev_scope_init(void) +{ + struct dmar_drhd_unit *drhd; + struct dmar_rmrr_unit *rmrr; + int ret = -ENODEV; + + for_each_drhd_unit(drhd) { + ret = dmar_parse_dev(drhd); + if (ret) + return ret; + } + + for_each_rmrr_units(rmrr) { + ret = rmrr_parse_dev(rmrr); + if (ret) + return ret; + } + + return ret; +} + int __init dmar_table_init(void) { - + static int dmar_table_initialized; int ret; + if (dmar_table_initialized) + return 0; + + dmar_table_initialized = 1; + ret = parse_dmar_table(); if (ret) { - printk(KERN_INFO PREFIX "parse DMAR table failure.\n"); + if (ret != -ENODEV) + printk(KERN_INFO PREFIX "parse DMAR table failure.\n"); return ret; } @@ -377,7 +434,7 @@ int __init early_dmar_detect(void) return (ACPI_SUCCESS(status) ? 1 : 0); } -struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) +int alloc_iommu(struct dmar_drhd_unit *drhd) { struct intel_iommu *iommu; int map_size; @@ -386,7 +443,7 @@ struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) iommu = kzalloc(sizeof(*iommu), GFP_KERNEL); if (!iommu) - return NULL; + return -ENOMEM; iommu->seq_id = iommu_allocated++; @@ -419,10 +476,10 @@ struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) spin_lock_init(&iommu->register_lock); drhd->iommu = iommu; - return iommu; + return 0; error: kfree(iommu); - return NULL; + return -1; } void free_iommu(struct intel_iommu *iommu) diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 4d59a6a1f4dd..218a1f357b4d 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -1665,11 +1665,8 @@ int __init init_dmars(void) for_each_drhd_unit(drhd) { if (drhd->ignored) continue; - iommu = alloc_iommu(drhd); - if (!iommu) { - ret = -ENOMEM; - goto error; - } + + iommu = drhd->iommu; ret = iommu_init_domains(iommu); if (ret) @@ -2324,6 +2321,9 @@ int __init intel_iommu_init(void) if (dmar_table_init()) return -ENODEV; + if (dmar_dev_scope_init()) + return -ENODEV; + iommu_init_mempool(); dmar_init_reserved_ranges(); diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 75c63f65b3f5..371e3b9caf32 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -199,7 +199,7 @@ struct intel_iommu { extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); -extern struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd); +extern int alloc_iommu(struct dmar_drhd_unit *drhd); extern void free_iommu(struct intel_iommu *iommu); #endif diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 56c73b847551..3ab07e425583 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -46,12 +46,14 @@ extern int intel_iommu_init(void); extern int dmar_table_init(void); extern int early_dmar_detect(void); +extern int dmar_dev_scope_init(void); extern struct list_head dmar_drhd_units; extern struct list_head dmar_rmrr_units; struct dmar_drhd_unit { struct list_head list; /* list of drhd units */ + struct acpi_dmar_header *hdr; /* ACPI header */ u64 reg_base_addr; /* register base address*/ struct pci_dev **devices; /* target device array */ int devices_cnt; /* target device count */ @@ -62,6 +64,7 @@ struct dmar_drhd_unit { struct dmar_rmrr_unit { struct list_head list; /* list of rmrr units */ + struct acpi_dmar_header *hdr; /* ACPI header */ u64 base_address; /* reserved base address*/ u64 end_address; /* reserved end address */ struct pci_dev **devices; /* target devices */ @@ -72,6 +75,8 @@ struct dmar_rmrr_unit { list_for_each_entry(drhd, &dmar_drhd_units, list) #define for_each_rmrr_units(rmrr) \ list_for_each_entry(rmrr, &dmar_rmrr_units, list) + +extern int alloc_iommu(struct dmar_drhd_unit *); #else static inline void detect_intel_iommu(void) { @@ -81,6 +86,9 @@ static inline int intel_iommu_init(void) { return -ENODEV; } - +static inline int dmar_table_init(void) +{ + return -ENODEV; +} #endif /* !CONFIG_DMAR */ #endif /* __DMAR_H__ */ -- GitLab From aaa9d1dd63bf89b62f4ea9f46de376ab1a3fbc6c Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:38 -0700 Subject: [PATCH 0015/6244] x64, x2apic/intr-remap: use CONFIG_DMAR for DMA-remapping specific code DMA remapping specific code covered with CONFIG_DMAR in the generic code which will also be used later for enabling Interrupt-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 158bc5bfcf75..5c99f9973987 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -39,7 +39,6 @@ * these units are not supported by the architecture. */ LIST_HEAD(dmar_drhd_units); -LIST_HEAD(dmar_rmrr_units); static struct acpi_table_header * __initdata dmar_tbl; @@ -55,11 +54,6 @@ static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd) list_add(&drhd->list, &dmar_drhd_units); } -static void __init dmar_register_rmrr_unit(struct dmar_rmrr_unit *rmrr) -{ - list_add(&rmrr->list, &dmar_rmrr_units); -} - static int __init dmar_parse_one_dev_scope(struct acpi_dmar_device_scope *scope, struct pci_dev **dev, u16 segment) { @@ -224,6 +218,15 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru) return ret; } +#ifdef CONFIG_DMAR +LIST_HEAD(dmar_rmrr_units); + +static void __init dmar_register_rmrr_unit(struct dmar_rmrr_unit *rmrr) +{ + list_add(&rmrr->list, &dmar_rmrr_units); +} + + static int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header) { @@ -260,6 +263,7 @@ rmrr_parse_dev(struct dmar_rmrr_unit *rmrru) } return ret; } +#endif static void __init dmar_table_print_dmar_entry(struct acpi_dmar_header *header) @@ -284,6 +288,7 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header) } } + /** * parse_dmar_table - parses the DMA reporting table */ @@ -316,7 +321,9 @@ parse_dmar_table(void) ret = dmar_parse_one_drhd(entry_header); break; case ACPI_DMAR_TYPE_RESERVED_MEMORY: +#ifdef CONFIG_DMAR ret = dmar_parse_one_rmrr(entry_header); +#endif break; default: printk(KERN_WARNING PREFIX @@ -366,7 +373,6 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev) int __init dmar_dev_scope_init(void) { struct dmar_drhd_unit *drhd; - struct dmar_rmrr_unit *rmrr; int ret = -ENODEV; for_each_drhd_unit(drhd) { @@ -375,11 +381,16 @@ int __init dmar_dev_scope_init(void) return ret; } - for_each_rmrr_units(rmrr) { - ret = rmrr_parse_dev(rmrr); - if (ret) - return ret; +#ifdef CONFIG_DMAR + { + struct dmar_rmrr_unit *rmrr; + for_each_rmrr_units(rmrr) { + ret = rmrr_parse_dev(rmrr); + if (ret) + return ret; + } } +#endif return ret; } @@ -407,10 +418,12 @@ int __init dmar_table_init(void) return -ENODEV; } +#ifdef CONFIG_DMAR if (list_empty(&dmar_rmrr_units)) { printk(KERN_INFO PREFIX "No RMRR found\n"); return -ENODEV; } +#endif return 0; } -- GitLab From 2d6b5f85bb4ca919d8ab0f30311309b53fb93bc3 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:39 -0700 Subject: [PATCH 0016/6244] x64, x2apic/intr-remap: Fix the need for RMRR in the DMA-remapping detection Presence of RMRR structures is not compulsory for enabling DMA-remapping. Signed-off-by: Suresh Siddha Signed-off-by: Yong Y Wang Cc: Yong Y Wang Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 5c99f9973987..903f1701edff 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -419,10 +419,8 @@ int __init dmar_table_init(void) } #ifdef CONFIG_DMAR - if (list_empty(&dmar_rmrr_units)) { + if (list_empty(&dmar_rmrr_units)) printk(KERN_INFO PREFIX "No RMRR found\n"); - return -ENODEV; - } #endif return 0; -- GitLab From ad3ad3f6a2caebf56869b83b69e23eb9fa5e0ab6 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:40 -0700 Subject: [PATCH 0017/6244] x64, x2apic/intr-remap: parse ioapic scope under vt-d structures Parse the vt-d device scope structures to find the mapping between IO-APICs and the interrupt remapping hardware units. This will be used later for enabling Interrupt-remapping for IOAPIC devices. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/Makefile | 2 ++ drivers/pci/dmar.c | 3 ++ drivers/pci/intel-iommu.h | 2 ++ drivers/pci/intr_remapping.c | 70 ++++++++++++++++++++++++++++++++++++ drivers/pci/intr_remapping.h | 6 ++++ include/linux/dmar.h | 1 + 6 files changed, 84 insertions(+) create mode 100644 drivers/pci/intr_remapping.c create mode 100644 drivers/pci/intr_remapping.h diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 4d1ce2e7361e..1c409c7b0d56 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -26,6 +26,8 @@ obj-$(CONFIG_HT_IRQ) += htirq.o # Build Intel IOMMU support obj-$(CONFIG_DMAR) += dmar.o iova.o intel-iommu.o +obj-$(CONFIG_INTR_REMAP) += dmar.o intr_remapping.o + # # Some architectures use the generic PCI setup functions # diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 903f1701edff..127764cfbe27 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -423,6 +423,9 @@ int __init dmar_table_init(void) printk(KERN_INFO PREFIX "No RMRR found\n"); #endif +#ifdef CONFIG_INTR_REMAP + parse_ioapics_under_ir(); +#endif return 0; } diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 371e3b9caf32..eb167e39b464 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -114,6 +114,8 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define ecap_max_iotlb_offset(e) \ (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16) #define ecap_coherent(e) ((e) & 0x1) +#define ecap_eim_support(e) ((e >> 4) & 0x1) +#define ecap_ir_support(e) ((e >> 3) & 0x1) /* IOTLB_REG */ diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c new file mode 100644 index 000000000000..a80b87921c68 --- /dev/null +++ b/drivers/pci/intr_remapping.c @@ -0,0 +1,70 @@ +#include +#include +#include "intel-iommu.h" +#include "intr_remapping.h" + +static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; +static int ir_ioapic_num; + +static int ir_parse_ioapic_scope(struct acpi_dmar_header *header, + struct intel_iommu *iommu) +{ + struct acpi_dmar_hardware_unit *drhd; + struct acpi_dmar_device_scope *scope; + void *start, *end; + + drhd = (struct acpi_dmar_hardware_unit *)header; + + start = (void *)(drhd + 1); + end = ((void *)drhd) + header->length; + + while (start < end) { + scope = start; + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_IOAPIC) { + if (ir_ioapic_num == MAX_IO_APICS) { + printk(KERN_WARNING "Exceeded Max IO APICS\n"); + return -1; + } + + printk(KERN_INFO "IOAPIC id %d under DRHD base" + " 0x%Lx\n", scope->enumeration_id, + drhd->address); + + ir_ioapic[ir_ioapic_num].iommu = iommu; + ir_ioapic[ir_ioapic_num].id = scope->enumeration_id; + ir_ioapic_num++; + } + start += scope->length; + } + + return 0; +} + +/* + * Finds the assocaition between IOAPIC's and its Interrupt-remapping + * hardware unit. + */ +int __init parse_ioapics_under_ir(void) +{ + struct dmar_drhd_unit *drhd; + int ir_supported = 0; + + for_each_drhd_unit(drhd) { + struct intel_iommu *iommu = drhd->iommu; + + if (ecap_ir_support(iommu->ecap)) { + if (ir_parse_ioapic_scope(drhd->hdr, iommu)) + return -1; + + ir_supported = 1; + } + } + + if (ir_supported && ir_ioapic_num != nr_ioapics) { + printk(KERN_WARNING + "Not all IO-APIC's listed under remapping hardware\n"); + return -1; + } + + return ir_supported; +} diff --git a/drivers/pci/intr_remapping.h b/drivers/pci/intr_remapping.h new file mode 100644 index 000000000000..c4a40b2f33fa --- /dev/null +++ b/drivers/pci/intr_remapping.h @@ -0,0 +1,6 @@ +#include "intel-iommu.h" + +struct ioapic_scope { + struct intel_iommu *iommu; + unsigned int id; +}; diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 3ab07e425583..c4e96eb29617 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -47,6 +47,7 @@ extern int intel_iommu_init(void); extern int dmar_table_init(void); extern int early_dmar_detect(void); extern int dmar_dev_scope_init(void); +extern int parse_ioapics_under_ir(void); extern struct list_head dmar_drhd_units; extern struct list_head dmar_rmrr_units; -- GitLab From cf1337f0447e5be8e66daa944f0ea3bcac2b6179 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:41 -0700 Subject: [PATCH 0018/6244] x64, x2apic/intr-remap: move IOMMU_WAIT_OP() macro to intel-iommu.h move IOMMU_WAIT_OP() macro to header file. This will be used by both DMA-remapping and Intr-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/intel-iommu.c | 15 --------------- drivers/pci/intel-iommu.h | 15 +++++++++++++++ 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 218a1f357b4d..fb701d9dd8c0 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -49,8 +49,6 @@ #define DEFAULT_DOMAIN_ADDRESS_WIDTH 48 -#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */ - #define DOMAIN_MAX_ADDR(gaw) ((((u64)1) << gaw) - 1) @@ -486,19 +484,6 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) return 0; } -#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \ -{\ - cycles_t start_time = get_cycles();\ - while (1) {\ - sts = op (iommu->reg + offset);\ - if (cond)\ - break;\ - if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\ - panic("DMAR hardware is malfunctioning\n");\ - cpu_relax();\ - }\ -} - static void iommu_set_root_entry(struct intel_iommu *iommu) { void *addr; diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index eb167e39b464..3a650e8cba33 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -177,6 +177,21 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define dma_frcd_source_id(c) (c & 0xffff) #define dma_frcd_page_addr(d) (d & (((u64)-1) << 12)) /* low 64 bit */ +#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */ + +#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \ +{\ + cycles_t start_time = get_cycles();\ + while (1) {\ + sts = op (iommu->reg + offset);\ + if (cond)\ + break;\ + if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\ + panic("DMAR hardware is malfunctioning\n");\ + cpu_relax();\ + }\ +} + struct intel_iommu { void __iomem *reg; /* Pointer to hardware regs, virtual addr */ u64 cap; -- GitLab From fe962e90cb17a8426e144dee970e77ed789d98ee Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:42 -0700 Subject: [PATCH 0019/6244] x64, x2apic/intr-remap: Queued invalidation infrastructure (part of VT-d) Queued invalidation (part of Intel Virtualization Technology for Directed I/O architecture) infrastructure. This will be used for invalidating the interrupt entry cache in the case of Interrupt-remapping and IOTLB invalidation in the case of DMA-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 150 ++++++++++++++++++++++++++++++++++++++ drivers/pci/intel-iommu.c | 7 -- drivers/pci/intel-iommu.h | 61 ++++++++++++++++ 3 files changed, 211 insertions(+), 7 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 127764cfbe27..aba151ca6d26 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -28,6 +28,7 @@ #include #include +#include #include "iova.h" #include "intel-iommu.h" @@ -509,3 +510,152 @@ void free_iommu(struct intel_iommu *iommu) iounmap(iommu->reg); kfree(iommu); } + +/* + * Reclaim all the submitted descriptors which have completed its work. + */ +static inline void reclaim_free_desc(struct q_inval *qi) +{ + while (qi->desc_status[qi->free_tail] == QI_DONE) { + qi->desc_status[qi->free_tail] = QI_FREE; + qi->free_tail = (qi->free_tail + 1) % QI_LENGTH; + qi->free_cnt++; + } +} + +/* + * Submit the queued invalidation descriptor to the remapping + * hardware unit and wait for its completion. + */ +void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu) +{ + struct q_inval *qi = iommu->qi; + struct qi_desc *hw, wait_desc; + int wait_index, index; + unsigned long flags; + + if (!qi) + return; + + hw = qi->desc; + + spin_lock(&qi->q_lock); + while (qi->free_cnt < 3) { + spin_unlock(&qi->q_lock); + cpu_relax(); + spin_lock(&qi->q_lock); + } + + index = qi->free_head; + wait_index = (index + 1) % QI_LENGTH; + + qi->desc_status[index] = qi->desc_status[wait_index] = QI_IN_USE; + + hw[index] = *desc; + + wait_desc.low = QI_IWD_STATUS_DATA(2) | QI_IWD_STATUS_WRITE | QI_IWD_TYPE; + wait_desc.high = virt_to_phys(&qi->desc_status[wait_index]); + + hw[wait_index] = wait_desc; + + __iommu_flush_cache(iommu, &hw[index], sizeof(struct qi_desc)); + __iommu_flush_cache(iommu, &hw[wait_index], sizeof(struct qi_desc)); + + qi->free_head = (qi->free_head + 2) % QI_LENGTH; + qi->free_cnt -= 2; + + spin_lock_irqsave(&iommu->register_lock, flags); + /* + * update the HW tail register indicating the presence of + * new descriptors. + */ + writel(qi->free_head << 4, iommu->reg + DMAR_IQT_REG); + spin_unlock_irqrestore(&iommu->register_lock, flags); + + while (qi->desc_status[wait_index] != QI_DONE) { + spin_unlock(&qi->q_lock); + cpu_relax(); + spin_lock(&qi->q_lock); + } + + qi->desc_status[index] = QI_DONE; + + reclaim_free_desc(qi); + spin_unlock(&qi->q_lock); +} + +/* + * Flush the global interrupt entry cache. + */ +void qi_global_iec(struct intel_iommu *iommu) +{ + struct qi_desc desc; + + desc.low = QI_IEC_TYPE; + desc.high = 0; + + qi_submit_sync(&desc, iommu); +} + +/* + * Enable Queued Invalidation interface. This is a must to support + * interrupt-remapping. Also used by DMA-remapping, which replaces + * register based IOTLB invalidation. + */ +int dmar_enable_qi(struct intel_iommu *iommu) +{ + u32 cmd, sts; + unsigned long flags; + struct q_inval *qi; + + if (!ecap_qis(iommu->ecap)) + return -ENOENT; + + /* + * queued invalidation is already setup and enabled. + */ + if (iommu->qi) + return 0; + + iommu->qi = kmalloc(sizeof(*qi), GFP_KERNEL); + if (!iommu->qi) + return -ENOMEM; + + qi = iommu->qi; + + qi->desc = (void *)(get_zeroed_page(GFP_KERNEL)); + if (!qi->desc) { + kfree(qi); + iommu->qi = 0; + return -ENOMEM; + } + + qi->desc_status = kmalloc(QI_LENGTH * sizeof(int), GFP_KERNEL); + if (!qi->desc_status) { + free_page((unsigned long) qi->desc); + kfree(qi); + iommu->qi = 0; + return -ENOMEM; + } + + qi->free_head = qi->free_tail = 0; + qi->free_cnt = QI_LENGTH; + + spin_lock_init(&qi->q_lock); + + spin_lock_irqsave(&iommu->register_lock, flags); + /* write zero to the tail reg */ + writel(0, iommu->reg + DMAR_IQT_REG); + + dmar_writeq(iommu->reg + DMAR_IQA_REG, virt_to_phys(qi->desc)); + + cmd = iommu->gcmd | DMA_GCMD_QIE; + iommu->gcmd |= DMA_GCMD_QIE; + writel(cmd, iommu->reg + DMAR_GCMD_REG); + + /* Make sure hardware complete it */ + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl, (sts & DMA_GSTS_QIES), sts); + spin_unlock_irqrestore(&iommu->register_lock, flags); + + return 0; +} diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index fb701d9dd8c0..347bf2e47168 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -181,13 +181,6 @@ void free_iova_mem(struct iova *iova) kmem_cache_free(iommu_iova_cache, iova); } -static inline void __iommu_flush_cache( - struct intel_iommu *iommu, void *addr, int size) -{ - if (!ecap_coherent(iommu->ecap)) - clflush_cache_range(addr, size); -} - /* Gets context entry for a given bus and devfn */ static struct context_entry * device_to_context_entry(struct intel_iommu *iommu, u8 bus, u8 devfn) diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 3a650e8cba33..2983ce895353 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -27,6 +27,7 @@ #include #include "iova.h" #include +#include #include "dma_remapping.h" /* @@ -51,6 +52,10 @@ #define DMAR_PLMLIMIT_REG 0x6c /* PMRR low limit */ #define DMAR_PHMBASE_REG 0x70 /* pmrr high base addr */ #define DMAR_PHMLIMIT_REG 0x78 /* pmrr high limit */ +#define DMAR_IQH_REG 0x80 /* Invalidation queue head register */ +#define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ +#define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ +#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ #define OFFSET_STRIDE (9) /* @@ -114,6 +119,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define ecap_max_iotlb_offset(e) \ (ecap_iotlb_offset(e) + ecap_niotlb_iunits(e) * 16) #define ecap_coherent(e) ((e) & 0x1) +#define ecap_qis(e) ((e) & 0x2) #define ecap_eim_support(e) ((e >> 4) & 0x1) #define ecap_ir_support(e) ((e >> 3) & 0x1) @@ -131,6 +137,17 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define DMA_TLB_IH_NONLEAF (((u64)1) << 6) #define DMA_TLB_MAX_SIZE (0x3f) +/* INVALID_DESC */ +#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 3) +#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 3) +#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 3) +#define DMA_ID_TLB_READ_DRAIN (((u64)1) << 7) +#define DMA_ID_TLB_WRITE_DRAIN (((u64)1) << 6) +#define DMA_ID_TLB_DID(id) (((u64)((id & 0xffff) << 16))) +#define DMA_ID_TLB_IH_NONLEAF (((u64)1) << 6) +#define DMA_ID_TLB_ADDR(addr) (addr) +#define DMA_ID_TLB_ADDR_MASK(mask) (mask) + /* PMEN_REG */ #define DMA_PMEN_EPM (((u32)1)<<31) #define DMA_PMEN_PRS (((u32)1)<<0) @@ -140,6 +157,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define DMA_GCMD_SRTP (((u32)1) << 30) #define DMA_GCMD_SFL (((u32)1) << 29) #define DMA_GCMD_EAFL (((u32)1) << 28) +#define DMA_GCMD_QIE (((u32)1) << 26) #define DMA_GCMD_WBF (((u32)1) << 27) /* GSTS_REG */ @@ -147,6 +165,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define DMA_GSTS_RTPS (((u32)1) << 30) #define DMA_GSTS_FLS (((u32)1) << 29) #define DMA_GSTS_AFLS (((u32)1) << 28) +#define DMA_GSTS_QIES (((u32)1) << 26) #define DMA_GSTS_WBFS (((u32)1) << 27) /* CCMD_REG */ @@ -192,6 +211,40 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) }\ } +#define QI_LENGTH 256 /* queue length */ + +enum { + QI_FREE, + QI_IN_USE, + QI_DONE +}; + +#define QI_CC_TYPE 0x1 +#define QI_IOTLB_TYPE 0x2 +#define QI_DIOTLB_TYPE 0x3 +#define QI_IEC_TYPE 0x4 +#define QI_IWD_TYPE 0x5 + +#define QI_IEC_SELECTIVE (((u64)1) << 4) +#define QI_IEC_IIDEX(idx) (((u64)(idx & 0xffff) << 32)) +#define QI_IEC_IM(m) (((u64)(m & 0x1f) << 27)) + +#define QI_IWD_STATUS_DATA(d) (((u64)d) << 32) +#define QI_IWD_STATUS_WRITE (((u64)1) << 5) + +struct qi_desc { + u64 low, high; +}; + +struct q_inval { + spinlock_t q_lock; + struct qi_desc *desc; /* invalidation queue */ + int *desc_status; /* desc status */ + int free_head; /* first free entry */ + int free_tail; /* last free entry */ + int free_cnt; +}; + struct intel_iommu { void __iomem *reg; /* Pointer to hardware regs, virtual addr */ u64 cap; @@ -212,8 +265,16 @@ struct intel_iommu { struct msi_msg saved_msg; struct sys_device sysdev; #endif + struct q_inval *qi; /* Queued invalidation info */ }; +static inline void __iommu_flush_cache( + struct intel_iommu *iommu, void *addr, int size) +{ + if (!ecap_coherent(iommu->ecap)) + clflush_cache_range(addr, size); +} + extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); extern int alloc_iommu(struct dmar_drhd_unit *drhd); -- GitLab From 2ae21010694e56461a63bfc80e960090ce0a5ed9 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:43 -0700 Subject: [PATCH 0020/6244] x64, x2apic/intr-remap: Interrupt remapping infrastructure Interrupt remapping (part of Intel Virtualization Tech for directed I/O) infrastructure. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dma_remapping.h | 2 + drivers/pci/dmar.c | 16 ++++ drivers/pci/intel-iommu.c | 21 ++---- drivers/pci/intel-iommu.h | 24 +++++- drivers/pci/intr_remapping.c | 137 +++++++++++++++++++++++++++++++++++ drivers/pci/intr_remapping.h | 2 + include/linux/dmar.h | 120 +++++++++++++++++++++--------- 7 files changed, 272 insertions(+), 50 deletions(-) diff --git a/drivers/pci/dma_remapping.h b/drivers/pci/dma_remapping.h index 05aac8ef96c7..bff5c65f81dc 100644 --- a/drivers/pci/dma_remapping.h +++ b/drivers/pci/dma_remapping.h @@ -145,6 +145,8 @@ struct device_domain_info { extern int init_dmars(void); extern void free_dmar_iommu(struct intel_iommu *iommu); +extern int dmar_disabled; + #ifndef CONFIG_DMAR_GFX_WA static inline void iommu_prepare_gfx_mapping(void) { diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index aba151ca6d26..23a119e6485e 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -449,6 +449,22 @@ int __init early_dmar_detect(void) return (ACPI_SUCCESS(status) ? 1 : 0); } +void __init detect_intel_iommu(void) +{ + int ret; + + ret = early_dmar_detect(); + +#ifdef CONFIG_DMAR + { + if (ret && !no_iommu && !iommu_detected && !swiotlb && + !dmar_disabled) + iommu_detected = 1; + } +#endif +} + + int alloc_iommu(struct dmar_drhd_unit *drhd) { struct intel_iommu *iommu; diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 347bf2e47168..ffccf2341b98 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -76,7 +76,7 @@ static long list_size; static void domain_remove_dev_info(struct dmar_domain *domain); -static int dmar_disabled; +int dmar_disabled; static int __initdata dmar_map_gfx = 1; static int dmar_forcedac; static int intel_iommu_strict; @@ -2238,15 +2238,6 @@ static void __init iommu_exit_mempool(void) } -void __init detect_intel_iommu(void) -{ - if (swiotlb || no_iommu || iommu_detected || dmar_disabled) - return; - if (early_dmar_detect()) { - iommu_detected = 1; - } -} - static void __init init_no_remapping_devices(void) { struct dmar_drhd_unit *drhd; @@ -2293,15 +2284,19 @@ int __init intel_iommu_init(void) { int ret = 0; - if (no_iommu || swiotlb || dmar_disabled) - return -ENODEV; - if (dmar_table_init()) return -ENODEV; if (dmar_dev_scope_init()) return -ENODEV; + /* + * Check the need for DMA-remapping initialization now. + * Above initialization will also be used by Interrupt-remapping. + */ + if (no_iommu || swiotlb || dmar_disabled) + return -ENODEV; + iommu_init_mempool(); dmar_init_reserved_ranges(); diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 2983ce895353..a81a74e2bd9e 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -56,6 +56,7 @@ #define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ #define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ #define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ +#define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */ #define OFFSET_STRIDE (9) /* @@ -157,16 +158,20 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define DMA_GCMD_SRTP (((u32)1) << 30) #define DMA_GCMD_SFL (((u32)1) << 29) #define DMA_GCMD_EAFL (((u32)1) << 28) -#define DMA_GCMD_QIE (((u32)1) << 26) #define DMA_GCMD_WBF (((u32)1) << 27) +#define DMA_GCMD_QIE (((u32)1) << 26) +#define DMA_GCMD_SIRTP (((u32)1) << 24) +#define DMA_GCMD_IRE (((u32) 1) << 25) /* GSTS_REG */ #define DMA_GSTS_TES (((u32)1) << 31) #define DMA_GSTS_RTPS (((u32)1) << 30) #define DMA_GSTS_FLS (((u32)1) << 29) #define DMA_GSTS_AFLS (((u32)1) << 28) -#define DMA_GSTS_QIES (((u32)1) << 26) #define DMA_GSTS_WBFS (((u32)1) << 27) +#define DMA_GSTS_QIES (((u32)1) << 26) +#define DMA_GSTS_IRTPS (((u32)1) << 24) +#define DMA_GSTS_IRES (((u32)1) << 25) /* CCMD_REG */ #define DMA_CCMD_ICC (((u64)1) << 63) @@ -245,6 +250,16 @@ struct q_inval { int free_cnt; }; +#ifdef CONFIG_INTR_REMAP +/* 1MB - maximum possible interrupt remapping table size */ +#define INTR_REMAP_PAGE_ORDER 8 +#define INTR_REMAP_TABLE_REG_SIZE 0xf + +struct ir_table { + struct irte *base; +}; +#endif + struct intel_iommu { void __iomem *reg; /* Pointer to hardware regs, virtual addr */ u64 cap; @@ -266,6 +281,9 @@ struct intel_iommu { struct sys_device sysdev; #endif struct q_inval *qi; /* Queued invalidation info */ +#ifdef CONFIG_INTR_REMAP + struct ir_table *ir_table; /* Interrupt remapping info */ +#endif }; static inline void __iommu_flush_cache( @@ -279,5 +297,7 @@ extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); extern int alloc_iommu(struct dmar_drhd_unit *drhd); extern void free_iommu(struct intel_iommu *iommu); +extern int dmar_enable_qi(struct intel_iommu *iommu); +extern void qi_global_iec(struct intel_iommu *iommu); #endif diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index a80b87921c68..3d10cdc90314 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -1,10 +1,147 @@ #include +#include +#include +#include #include #include "intel-iommu.h" #include "intr_remapping.h" static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static int ir_ioapic_num; +int intr_remapping_enabled; + +static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode) +{ + u64 addr; + u32 cmd, sts; + unsigned long flags; + + addr = virt_to_phys((void *)iommu->ir_table->base); + + spin_lock_irqsave(&iommu->register_lock, flags); + + dmar_writeq(iommu->reg + DMAR_IRTA_REG, + (addr) | IR_X2APIC_MODE(mode) | INTR_REMAP_TABLE_REG_SIZE); + + /* Set interrupt-remapping table pointer */ + cmd = iommu->gcmd | DMA_GCMD_SIRTP; + writel(cmd, iommu->reg + DMAR_GCMD_REG); + + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (sts & DMA_GSTS_IRTPS), sts); + spin_unlock_irqrestore(&iommu->register_lock, flags); + + /* + * global invalidation of interrupt entry cache before enabling + * interrupt-remapping. + */ + qi_global_iec(iommu); + + spin_lock_irqsave(&iommu->register_lock, flags); + + /* Enable interrupt-remapping */ + cmd = iommu->gcmd | DMA_GCMD_IRE; + iommu->gcmd |= DMA_GCMD_IRE; + writel(cmd, iommu->reg + DMAR_GCMD_REG); + + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, (sts & DMA_GSTS_IRES), sts); + + spin_unlock_irqrestore(&iommu->register_lock, flags); +} + + +static int setup_intr_remapping(struct intel_iommu *iommu, int mode) +{ + struct ir_table *ir_table; + struct page *pages; + + ir_table = iommu->ir_table = kzalloc(sizeof(struct ir_table), + GFP_KERNEL); + + if (!iommu->ir_table) + return -ENOMEM; + + pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, INTR_REMAP_PAGE_ORDER); + + if (!pages) { + printk(KERN_ERR "failed to allocate pages of order %d\n", + INTR_REMAP_PAGE_ORDER); + kfree(iommu->ir_table); + return -ENOMEM; + } + + ir_table->base = page_address(pages); + + iommu_set_intr_remapping(iommu, mode); + return 0; +} + +int __init enable_intr_remapping(int eim) +{ + struct dmar_drhd_unit *drhd; + int setup = 0; + + /* + * check for the Interrupt-remapping support + */ + for_each_drhd_unit(drhd) { + struct intel_iommu *iommu = drhd->iommu; + + if (!ecap_ir_support(iommu->ecap)) + continue; + + if (eim && !ecap_eim_support(iommu->ecap)) { + printk(KERN_INFO "DRHD %Lx: EIM not supported by DRHD, " + " ecap %Lx\n", drhd->reg_base_addr, iommu->ecap); + return -1; + } + } + + /* + * Enable queued invalidation for all the DRHD's. + */ + for_each_drhd_unit(drhd) { + int ret; + struct intel_iommu *iommu = drhd->iommu; + ret = dmar_enable_qi(iommu); + + if (ret) { + printk(KERN_ERR "DRHD %Lx: failed to enable queued, " + " invalidation, ecap %Lx, ret %d\n", + drhd->reg_base_addr, iommu->ecap, ret); + return -1; + } + } + + /* + * Setup Interrupt-remapping for all the DRHD's now. + */ + for_each_drhd_unit(drhd) { + struct intel_iommu *iommu = drhd->iommu; + + if (!ecap_ir_support(iommu->ecap)) + continue; + + if (setup_intr_remapping(iommu, eim)) + goto error; + + setup = 1; + } + + if (!setup) + goto error; + + intr_remapping_enabled = 1; + + return 0; + +error: + /* + * handle error condition gracefully here! + */ + return -1; +} static int ir_parse_ioapic_scope(struct acpi_dmar_header *header, struct intel_iommu *iommu) diff --git a/drivers/pci/intr_remapping.h b/drivers/pci/intr_remapping.h index c4a40b2f33fa..05f2635bbe4e 100644 --- a/drivers/pci/intr_remapping.h +++ b/drivers/pci/intr_remapping.h @@ -4,3 +4,5 @@ struct ioapic_scope { struct intel_iommu *iommu; unsigned int id; }; + +#define IR_X2APIC_MODE(mode) (mode ? (1 << 11) : 0) diff --git a/include/linux/dmar.h b/include/linux/dmar.h index c4e96eb29617..8a0238dd2c11 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -25,9 +25,85 @@ #include #include -#ifdef CONFIG_DMAR +#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP) struct intel_iommu; +struct dmar_drhd_unit { + struct list_head list; /* list of drhd units */ + struct acpi_dmar_header *hdr; /* ACPI header */ + u64 reg_base_addr; /* register base address*/ + struct pci_dev **devices; /* target device array */ + int devices_cnt; /* target device count */ + u8 ignored:1; /* ignore drhd */ + u8 include_all:1; + struct intel_iommu *iommu; +}; + +extern struct list_head dmar_drhd_units; + +#define for_each_drhd_unit(drhd) \ + list_for_each_entry(drhd, &dmar_drhd_units, list) + +extern int dmar_table_init(void); +extern int early_dmar_detect(void); +extern int dmar_dev_scope_init(void); + +/* Intel IOMMU detection */ +extern void detect_intel_iommu(void); + + +extern int parse_ioapics_under_ir(void); +extern int alloc_iommu(struct dmar_drhd_unit *); +#else +static inline void detect_intel_iommu(void) +{ + return; +} + +static inline int dmar_table_init(void) +{ + return -ENODEV; +} +#endif /* !CONFIG_DMAR && !CONFIG_INTR_REMAP */ + +#ifdef CONFIG_INTR_REMAP +extern int intr_remapping_enabled; +extern int enable_intr_remapping(int); + +struct irte { + union { + struct { + __u64 present : 1, + fpd : 1, + dst_mode : 1, + redir_hint : 1, + trigger_mode : 1, + dlvry_mode : 3, + avail : 4, + __reserved_1 : 4, + vector : 8, + __reserved_2 : 8, + dest_id : 32; + }; + __u64 low; + }; + + union { + struct { + __u64 sid : 16, + sq : 2, + svt : 2, + __reserved_3 : 44; + }; + __u64 high; + }; +}; +#else +#define enable_intr_remapping(mode) (-1) +#define intr_remapping_enabled (0) +#endif + +#ifdef CONFIG_DMAR extern const char *dmar_get_fault_reason(u8 fault_reason); /* Can't use the common MSI interrupt functions @@ -40,29 +116,8 @@ extern void dmar_msi_write(int irq, struct msi_msg *msg); extern int dmar_set_interrupt(struct intel_iommu *iommu); extern int arch_setup_dmar_msi(unsigned int irq); -/* Intel IOMMU detection and initialization functions */ -extern void detect_intel_iommu(void); -extern int intel_iommu_init(void); - -extern int dmar_table_init(void); -extern int early_dmar_detect(void); -extern int dmar_dev_scope_init(void); -extern int parse_ioapics_under_ir(void); - -extern struct list_head dmar_drhd_units; +extern int iommu_detected, no_iommu; extern struct list_head dmar_rmrr_units; - -struct dmar_drhd_unit { - struct list_head list; /* list of drhd units */ - struct acpi_dmar_header *hdr; /* ACPI header */ - u64 reg_base_addr; /* register base address*/ - struct pci_dev **devices; /* target device array */ - int devices_cnt; /* target device count */ - u8 ignored:1; /* ignore drhd */ - u8 include_all:1; - struct intel_iommu *iommu; -}; - struct dmar_rmrr_unit { struct list_head list; /* list of rmrr units */ struct acpi_dmar_header *hdr; /* ACPI header */ @@ -72,24 +127,19 @@ struct dmar_rmrr_unit { int devices_cnt; /* target device count */ }; -#define for_each_drhd_unit(drhd) \ - list_for_each_entry(drhd, &dmar_drhd_units, list) #define for_each_rmrr_units(rmrr) \ list_for_each_entry(rmrr, &dmar_rmrr_units, list) - -extern int alloc_iommu(struct dmar_drhd_unit *); +/* Intel DMAR initialization functions */ +extern int intel_iommu_init(void); +extern int dmar_disabled; #else -static inline void detect_intel_iommu(void) -{ - return; -} static inline int intel_iommu_init(void) { +#ifdef CONFIG_INTR_REMAP + return dmar_dev_scope_init(); +#else return -ENODEV; -} -static inline int dmar_table_init(void) -{ - return -ENODEV; +#endif } #endif /* !CONFIG_DMAR */ #endif /* __DMAR_H__ */ -- GitLab From b6fcb33ad6c05f152a672f7c96c1fab006527b80 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:44 -0700 Subject: [PATCH 0021/6244] x64, x2apic/intr-remap: routines managing Interrupt remapping table entries. Routines handling the management of interrupt remapping table entries. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/intel-iommu.h | 4 + drivers/pci/intr_remapping.c | 243 +++++++++++++++++++++++++++++++++++ include/linux/dmar.h | 12 ++ 3 files changed, 259 insertions(+) diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index a81a74e2bd9e..2142c01e0143 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -123,6 +123,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val) #define ecap_qis(e) ((e) & 0x2) #define ecap_eim_support(e) ((e >> 4) & 0x1) #define ecap_ir_support(e) ((e >> 3) & 0x1) +#define ecap_max_handle_mask(e) ((e >> 20) & 0xf) /* IOTLB_REG */ @@ -255,6 +256,8 @@ struct q_inval { #define INTR_REMAP_PAGE_ORDER 8 #define INTR_REMAP_TABLE_REG_SIZE 0xf +#define INTR_REMAP_TABLE_ENTRIES 65536 + struct ir_table { struct irte *base; }; @@ -300,4 +303,5 @@ extern void free_iommu(struct intel_iommu *iommu); extern int dmar_enable_qi(struct intel_iommu *iommu); extern void qi_global_iec(struct intel_iommu *iommu); +extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu); #endif diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 3d10cdc90314..bddb4b19b6c7 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -2,6 +2,7 @@ #include #include #include +#include #include #include "intel-iommu.h" #include "intr_remapping.h" @@ -10,6 +11,248 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static int ir_ioapic_num; int intr_remapping_enabled; +static struct { + struct intel_iommu *iommu; + u16 irte_index; + u16 sub_handle; + u8 irte_mask; +} irq_2_iommu[NR_IRQS]; + +static DEFINE_SPINLOCK(irq_2_ir_lock); + +int irq_remapped(int irq) +{ + if (irq > NR_IRQS) + return 0; + + if (!irq_2_iommu[irq].iommu) + return 0; + + return 1; +} + +int get_irte(int irq, struct irte *entry) +{ + int index; + + if (!entry || irq > NR_IRQS) + return -1; + + spin_lock(&irq_2_ir_lock); + if (!irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + *entry = *(irq_2_iommu[irq].iommu->ir_table->base + index); + + spin_unlock(&irq_2_ir_lock); + return 0; +} + +int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) +{ + struct ir_table *table = iommu->ir_table; + u16 index, start_index; + unsigned int mask = 0; + int i; + + if (!count) + return -1; + + /* + * start the IRTE search from index 0. + */ + index = start_index = 0; + + if (count > 1) { + count = __roundup_pow_of_two(count); + mask = ilog2(count); + } + + if (mask > ecap_max_handle_mask(iommu->ecap)) { + printk(KERN_ERR + "Requested mask %x exceeds the max invalidation handle" + " mask value %Lx\n", mask, + ecap_max_handle_mask(iommu->ecap)); + return -1; + } + + spin_lock(&irq_2_ir_lock); + do { + for (i = index; i < index + count; i++) + if (table->base[i].present) + break; + /* empty index found */ + if (i == index + count) + break; + + index = (index + count) % INTR_REMAP_TABLE_ENTRIES; + + if (index == start_index) { + spin_unlock(&irq_2_ir_lock); + printk(KERN_ERR "can't allocate an IRTE\n"); + return -1; + } + } while (1); + + for (i = index; i < index + count; i++) + table->base[i].present = 1; + + irq_2_iommu[irq].iommu = iommu; + irq_2_iommu[irq].irte_index = index; + irq_2_iommu[irq].sub_handle = 0; + irq_2_iommu[irq].irte_mask = mask; + + spin_unlock(&irq_2_ir_lock); + + return index; +} + +static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask) +{ + struct qi_desc desc; + + desc.low = QI_IEC_IIDEX(index) | QI_IEC_TYPE | QI_IEC_IM(mask) + | QI_IEC_SELECTIVE; + desc.high = 0; + + qi_submit_sync(&desc, iommu); +} + +int map_irq_to_irte_handle(int irq, u16 *sub_handle) +{ + int index; + + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + *sub_handle = irq_2_iommu[irq].sub_handle; + index = irq_2_iommu[irq].irte_index; + spin_unlock(&irq_2_ir_lock); + return index; +} + +int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) +{ + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + irq_2_iommu[irq].iommu = iommu; + irq_2_iommu[irq].irte_index = index; + irq_2_iommu[irq].sub_handle = subhandle; + irq_2_iommu[irq].irte_mask = 0; + + spin_unlock(&irq_2_ir_lock); + + return 0; +} + +int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index) +{ + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + irq_2_iommu[irq].iommu = NULL; + irq_2_iommu[irq].irte_index = 0; + irq_2_iommu[irq].sub_handle = 0; + irq_2_iommu[irq].irte_mask = 0; + + spin_unlock(&irq_2_ir_lock); + + return 0; +} + +int modify_irte(int irq, struct irte *irte_modified) +{ + int index; + struct irte *irte; + struct intel_iommu *iommu; + + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + iommu = irq_2_iommu[irq].iommu; + + index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + irte = &iommu->ir_table->base[index]; + + set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1)); + __iommu_flush_cache(iommu, irte, sizeof(*irte)); + + qi_flush_iec(iommu, index, 0); + + spin_unlock(&irq_2_ir_lock); + return 0; +} + +int flush_irte(int irq) +{ + int index; + struct intel_iommu *iommu; + + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + iommu = irq_2_iommu[irq].iommu; + + index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + + qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + spin_unlock(&irq_2_ir_lock); + + return 0; +} + +int free_irte(int irq) +{ + int index, i; + struct irte *irte; + struct intel_iommu *iommu; + + spin_lock(&irq_2_ir_lock); + if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + spin_unlock(&irq_2_ir_lock); + return -1; + } + + iommu = irq_2_iommu[irq].iommu; + + index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + irte = &iommu->ir_table->base[index]; + + if (!irq_2_iommu[irq].sub_handle) { + for (i = 0; i < (1 << irq_2_iommu[irq].irte_mask); i++) + set_64bit((unsigned long *)irte, 0); + qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + } + + irq_2_iommu[irq].iommu = NULL; + irq_2_iommu[irq].irte_index = 0; + irq_2_iommu[irq].sub_handle = 0; + irq_2_iommu[irq].irte_mask = 0; + + spin_unlock(&irq_2_ir_lock); + + return 0; +} + static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode) { u64 addr; diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 8a0238dd2c11..324bbca85a26 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -98,7 +98,19 @@ struct irte { __u64 high; }; }; +extern int get_irte(int irq, struct irte *entry); +extern int modify_irte(int irq, struct irte *irte_modified); +extern int alloc_irte(struct intel_iommu *iommu, int irq, u16 count); +extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, + u16 sub_handle); +extern int map_irq_to_irte_handle(int irq, u16 *sub_handle); +extern int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index); +extern int flush_irte(int irq); +extern int free_irte(int irq); + +extern int irq_remapped(int irq); #else +#define irq_remapped(irq) (0) #define enable_intr_remapping(mode) (-1) #define intr_remapping_enabled (0) #endif -- GitLab From 72b1e22dfcad1daca6906148fd956ffe404bb0bc Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:45 -0700 Subject: [PATCH 0022/6244] x64, x2apic/intr-remap: generic irq migration support from process context Generic infrastructure for migrating the irq from the process context in the presence of CONFIG_GENERIC_PENDING_IRQ. This will be used later for migrating irq in the presence of interrupt-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- include/linux/irq.h | 1 + kernel/irq/manage.c | 9 ++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 552e0ec269c9..c211984b55e5 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -62,6 +62,7 @@ typedef void (*irq_flow_handler_t)(unsigned int irq, #define IRQ_MOVE_PENDING 0x00200000 /* need to re-target IRQ destination */ #define IRQ_NO_BALANCING 0x00400000 /* IRQ is excluded from balancing */ #define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */ +#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */ #ifdef CONFIG_IRQ_PER_CPU # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 46d6611a33bb..628b5572a7c2 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -87,7 +87,14 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask) set_balance_irq_affinity(irq, cpumask); #ifdef CONFIG_GENERIC_PENDING_IRQ - set_pending_irq(irq, cpumask); + if (desc->status & IRQ_MOVE_PCNTXT) { + unsigned long flags; + + spin_lock_irqsave(&desc->lock, flags); + desc->chip->set_affinity(irq, cpumask); + spin_unlock_irqrestore(&desc->lock, flags); + } else + set_pending_irq(irq, cpumask); #else desc->affinity = cpumask; desc->chip->set_affinity(irq, cpumask); -- GitLab From d94d93ca5cc36cd78c532def62772c98fe8ba5d7 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:46 -0700 Subject: [PATCH 0023/6244] x64, x2apic/intr-remap: 8259 specific mask/unmask routines 8259 specific mask/unmask routines which be used later while enabling interrupt-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/i8259.c | 24 ++++++++++++++++++++++++ include/asm-x86/i8259.h | 3 +++ 2 files changed, 27 insertions(+) diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index dc92b49d9204..4b8a53d841f7 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -282,6 +282,30 @@ static int __init i8259A_init_sysfs(void) device_initcall(i8259A_init_sysfs); +void mask_8259A(void) +{ + unsigned long flags; + + spin_lock_irqsave(&i8259A_lock, flags); + + outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */ + outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */ + + spin_unlock_irqrestore(&i8259A_lock, flags); +} + +void unmask_8259A(void) +{ + unsigned long flags; + + spin_lock_irqsave(&i8259A_lock, flags); + + outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */ + outb(cached_slave_mask, PIC_SLAVE_IMR); /* restore slave IRQ mask */ + + spin_unlock_irqrestore(&i8259A_lock, flags); +} + void init_8259A(int auto_eoi) { unsigned long flags; diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h index 2f98df91f1f2..31112b6c595b 100644 --- a/include/asm-x86/i8259.h +++ b/include/asm-x86/i8259.h @@ -57,4 +57,7 @@ static inline void outb_pic(unsigned char value, unsigned int port) extern struct irq_chip i8259A_chip; +extern void mask_8259A(void); +extern void unmask_8259A(void); + #endif /* __ASM_I8259_H__ */ -- GitLab From 4dc2f96cacd1e74c688f94348a3bfd0a980817d5 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:47 -0700 Subject: [PATCH 0024/6244] x64, x2apic/intr-remap: ioapic routines which deal with initial io-apic RTE setup Generic ioapic specific routines which be used later during enabling interrupt-remapping. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 66 ++++++++++++++++++++++++++++++++++++ include/asm-x86/io_apic.h | 6 ++++ 2 files changed, 72 insertions(+) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 9e645cba11c4..84dd63c13d63 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -114,6 +114,9 @@ DEFINE_SPINLOCK(vector_lock); */ int nr_ioapic_registers[MAX_IO_APICS]; +/* I/O APIC RTE contents at the OS boot up */ +struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; + /* I/O APIC entries */ struct mp_config_ioapic mp_ioapics[MAX_IO_APICS]; int nr_ioapics; @@ -446,6 +449,69 @@ static void clear_IO_APIC (void) clear_IO_APIC_pin(apic, pin); } +/* + * Saves and masks all the unmasked IO-APIC RTE's + */ +int save_mask_IO_APIC_setup(void) +{ + union IO_APIC_reg_01 reg_01; + unsigned long flags; + int apic, pin; + + /* + * The number of IO-APIC IRQ registers (== #pins): + */ + for (apic = 0; apic < nr_ioapics; apic++) { + spin_lock_irqsave(&ioapic_lock, flags); + reg_01.raw = io_apic_read(apic, 1); + spin_unlock_irqrestore(&ioapic_lock, flags); + nr_ioapic_registers[apic] = reg_01.bits.entries+1; + } + + for (apic = 0; apic < nr_ioapics; apic++) { + early_ioapic_entries[apic] = + kzalloc(sizeof(struct IO_APIC_route_entry) * + nr_ioapic_registers[apic], GFP_KERNEL); + if (!early_ioapic_entries[apic]) + return -ENOMEM; + } + + for (apic = 0; apic < nr_ioapics; apic++) + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + struct IO_APIC_route_entry entry; + + entry = early_ioapic_entries[apic][pin] = + ioapic_read_entry(apic, pin); + if (!entry.mask) { + entry.mask = 1; + ioapic_write_entry(apic, pin, entry); + } + } + return 0; +} + +void restore_IO_APIC_setup(void) +{ + int apic, pin; + + for (apic = 0; apic < nr_ioapics; apic++) + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) + ioapic_write_entry(apic, pin, + early_ioapic_entries[apic][pin]); +} + +void reinit_intr_remapped_IO_APIC(int intr_remapping) +{ + /* + * for now plain restore of previous settings. + * TBD: In the case of OS enabling interrupt-remapping, + * IO-APIC RTE's need to be setup to point to interrupt-remapping + * table entries. for now, do a plain restore, and wait for + * the setup_IO_APIC_irqs() to do proper initialization. + */ + restore_IO_APIC_setup(); +} + int skip_ioapic_setup; int ioapic_force; diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 14f82bbcb5fd..1c4a99d882f5 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -183,6 +183,12 @@ extern int io_apic_set_pci_routing(int ioapic, int pin, int irq, extern int (*ioapic_renumber_irq)(int ioapic, int irq); extern void ioapic_init_mappings(void); +#ifdef CONFIG_X86_64 +extern int save_mask_IO_APIC_setup(void); +extern void restore_IO_APIC_setup(void); +extern void reinit_intr_remapped_IO_APIC(int); +#endif + #else /* !CONFIG_X86_IO_APIC */ #define io_apic_assign_pci_irqs 0 static const int timer_through_8259 = 0; -- GitLab From 0c81c746f9bdbfaafe64322d540c8b7b59c27314 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:48 -0700 Subject: [PATCH 0025/6244] x64, x2apic/intr-remap: introduce read_apic_id() to genapic routines Move the read_apic_id() to genapic routines. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 5 +++++ arch/x86/kernel/genapic_64.c | 11 ----------- arch/x86/kernel/genapic_flat_64.c | 14 +++++++++++++- arch/x86/kernel/genx2apic_uv_x.c | 14 +++++++++++++- include/asm-x86/genapic_64.h | 1 + include/asm-x86/mach-default/mach_apic.h | 1 + include/asm-x86/mach-default/mach_apicdef.h | 3 ++- include/asm-x86/smp.h | 4 +--- 8 files changed, 36 insertions(+), 17 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 1e3d32e27c14..9dd4ee4735f5 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1096,6 +1096,11 @@ void __cpuinit generic_processor_info(int apicid, int version) cpu_set(cpu, cpu_present_map); } +int hard_smp_processor_id(void) +{ + return read_apic_id(); +} + /* * Power management */ diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 1fa8be5bd217..7414871751a7 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -79,17 +79,6 @@ int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) return 0; } -unsigned int read_apic_id(void) -{ - unsigned int id; - - WARN_ON(preemptible() && num_online_cpus() > 1); - id = apic_read(APIC_ID); - if (uv_system_type >= UV_X2APIC) - id |= __get_cpu_var(x2apic_extra_bits); - return id; -} - enum uv_system_type get_uv_system_type(void) { return uv_system_type; diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 1a9c68845ee8..400ed8df8b4e 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -15,9 +15,11 @@ #include #include #include +#include #include #include #include +#include static cpumask_t flat_target_cpus(void) { @@ -95,9 +97,17 @@ static void flat_send_IPI_all(int vector) __send_IPI_shortcut(APIC_DEST_ALLINC, vector, APIC_DEST_LOGICAL); } +static unsigned int read_xapic_id(void) +{ + unsigned int id; + + id = GET_XAPIC_ID(apic_read(APIC_ID)); + return id; +} + static int flat_apic_id_registered(void) { - return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map); + return physid_isset(read_xapic_id(), phys_cpu_present_map); } static unsigned int flat_cpu_mask_to_apicid(cpumask_t cpumask) @@ -123,6 +133,7 @@ struct genapic apic_flat = { .send_IPI_mask = flat_send_IPI_mask, .cpu_mask_to_apicid = flat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, + .read_apic_id = read_xapic_id, }; /* @@ -187,4 +198,5 @@ struct genapic apic_physflat = { .send_IPI_mask = physflat_send_IPI_mask, .cpu_mask_to_apicid = physflat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, + .read_apic_id = read_xapic_id, }; diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index 711f11c30b06..1ef99be18488 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -134,9 +135,19 @@ static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask) return BAD_APICID; } +static unsigned int uv_read_apic_id(void) +{ + unsigned int id; + + WARN_ON(preemptible() && num_online_cpus() > 1); + id = apic_read(APIC_ID) | __get_cpu_var(x2apic_extra_bits); + + return id; +} + static unsigned int phys_pkg_id(int index_msb) { - return GET_APIC_ID(read_apic_id()) >> index_msb; + return uv_read_apic_id() >> index_msb; } #ifdef ZZZ /* Needs x2apic patch */ @@ -159,6 +170,7 @@ struct genapic apic_x2apic_uv_x = { /* ZZZ.send_IPI_self = uv_send_IPI_self, */ .cpu_mask_to_apicid = uv_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, /* Fixme ZZZ */ + .read_apic_id = uv_read_apic_id, }; static __cpuinit void set_x2apic_extra_bits(int pnode) diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 647e4e5c2580..d567abc347a9 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -27,6 +27,7 @@ struct genapic { /* */ unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); unsigned int (*phys_pkg_id)(int index_msb); + unsigned int (*read_apic_id)(void); }; extern struct genapic *genapic; diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index 0b2cde5e1b74..d172c554ab9f 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -30,6 +30,7 @@ static inline cpumask_t target_cpus(void) #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) #define phys_pkg_id (genapic->phys_pkg_id) #define vector_allocation_domain (genapic->vector_allocation_domain) +#define read_apic_id (genapic->read_apic_id) extern void setup_apic_routing(void); #else #define INT_DELIVERY_MODE dest_LowestPrio diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h index e4b29ba37de6..453b58a67e29 100644 --- a/include/asm-x86/mach-default/mach_apicdef.h +++ b/include/asm-x86/mach-default/mach_apicdef.h @@ -5,8 +5,9 @@ #ifdef CONFIG_X86_64 #define APIC_ID_MASK (0xFFu<<24) -#define GET_APIC_ID(x) (((x)>>24)&0xFFu) +#define GET_APIC_ID(x) (x) #define SET_APIC_ID(x) (((x)<<24)) +#define GET_XAPIC_ID(x) (((x) >> 24) & 0xFFu) #else #define APIC_ID_MASK (0xF<<24) static inline unsigned get_apic_id(unsigned long x) diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 2e221f1ce0b2..9848715fbd9e 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -169,12 +169,10 @@ static inline unsigned int read_apic_id(void) { return *(u32 *)(APIC_BASE + APIC_ID); } -#else -extern unsigned int read_apic_id(void); #endif -# ifdef APIC_DEFINITION +# if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) extern int hard_smp_processor_id(void); # else # include -- GitLab From 2d7a66d02e11af9ab8e16c76d22767e622b4e3d7 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 11 Jul 2008 14:24:19 -0700 Subject: [PATCH 0026/6244] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support, fix Yinghai Lu wrote: > Setting APIC routing to physical flat > Kernel panic - not syncing: Boot APIC ID in local APIC unexpected (0 vs 4) > Pid: 1, comm: swapper Not tainted 2.6.26-rc9-tip-01763-g74f94b1-dirty #320 > > Call Trace: > [] ? set_cpu_sibling_map+0x38c/0x3bd > [] ? read_xapic_id+0x25/0x3e > [] ? verify_local_APIC+0x139/0x1b9 > [] ? read_xapic_id+0x25/0x3e > [] ? native_smp_prepare_cpus+0x224/0x2e9 > [] ? kernel_init+0x64/0x341 > [] ? child_rip+0xa/0x11 > [] ? kernel_init+0x0/0x341 > [] ? child_rip+0x0/0x11 > > > guess read_apic_id changing cuase some problem... genapic's read_apic_id() returns the actual apic id extracted from the APIC_ID register. And in some cases like UV, read_apic_id() returns completely different values from APIC ID register. Use the native apic register read, rather than genapic read_apic_id() in verify_local_APIC() And also, lapic_suspend() should also use native apic register read. Reported-by: Yinghai Lu Signed-off-by: Suresh Siddha Cc: "akpm@linux-foundation.org" Cc: "arjan@linux.intel.com" Cc: "andi@firstfloor.org" Cc: "ebiederm@xmission.com" Cc: "jbarnes@virtuousgeek.org" Cc: "steiner@sgi.com" Cc: "jeremy@goop.org" Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 9dd4ee4735f5..3963f590c3d4 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -626,10 +626,10 @@ int __init verify_local_APIC(void) /* * The ID register is read/write in a real APIC. */ - reg0 = read_apic_id(); + reg0 = apic_read(APIC_ID); apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg0); apic_write(APIC_ID, reg0 ^ APIC_ID_MASK); - reg1 = read_apic_id(); + reg1 = apic_read(APIC_ID); apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg1); apic_write(APIC_ID, reg0); if (reg1 != (reg0 ^ APIC_ID_MASK)) @@ -1137,7 +1137,7 @@ static int lapic_suspend(struct sys_device *dev, pm_message_t state) maxlvt = lapic_get_maxlvt(); - apic_pm_state.apic_id = read_apic_id(); + apic_pm_state.apic_id = apic_read(APIC_ID); apic_pm_state.apic_taskpri = apic_read(APIC_TASKPRI); apic_pm_state.apic_ldr = apic_read(APIC_LDR); apic_pm_state.apic_dfr = apic_read(APIC_DFR); -- GitLab From 1b374e4d6f8b3eb2fcd034fcc24ea8ba1dfde7aa Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:49 -0700 Subject: [PATCH 0027/6244] x64, x2apic/intr-remap: basic apic ops support Introduce basic apic operations which handle the apic programming. This will be used later to introduce another specific operations for x2apic. For the perfomance critial accesses like IPI's, EOI etc, we use the native operations as they are already referenced by different indirections like genapic, irq_chip etc. 64bit Paravirt ops can also define their apic operations accordingly. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 6 +++++ arch/x86/kernel/apic_64.c | 34 ++++++++++++++++++++++++++-- arch/x86/kernel/io_apic_64.c | 8 +++---- arch/x86/kernel/paravirt.c | 8 ++++--- arch/x86/kernel/smpboot.c | 28 +++++++++-------------- include/asm-x86/apic.h | 43 +++++++++++++++++++++++++++++++----- include/asm-x86/ipi.h | 16 +++++++++----- include/asm-x86/paravirt.h | 2 ++ include/asm-x86/smp.h | 2 +- 9 files changed, 109 insertions(+), 38 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 3e58b676d23b..2a83c07bd887 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -145,6 +145,12 @@ static int modern_apic(void) return lapic_get_version() >= 0x14; } +void apic_icr_write(u32 low, u32 id) +{ + apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(id)); + apic_write_around(APIC_ICR, low); +} + void apic_wait_icr_idle(void) { while (apic_read(APIC_ICR) & APIC_ICR_BUSY) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 3963f590c3d4..9bb040689b31 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -119,13 +119,13 @@ static int modern_apic(void) return lapic_get_version() >= 0x14; } -void apic_wait_icr_idle(void) +void xapic_wait_icr_idle(void) { while (apic_read(APIC_ICR) & APIC_ICR_BUSY) cpu_relax(); } -u32 safe_apic_wait_icr_idle(void) +u32 safe_xapic_wait_icr_idle(void) { u32 send_status; int timeout; @@ -141,6 +141,36 @@ u32 safe_apic_wait_icr_idle(void) return send_status; } +void xapic_icr_write(u32 low, u32 id) +{ + apic_write(APIC_ICR2, id << 24); + apic_write(APIC_ICR, low); +} + +u64 xapic_icr_read(void) +{ + u32 icr1, icr2; + + icr2 = apic_read(APIC_ICR2); + icr1 = apic_read(APIC_ICR); + + return (icr1 | ((u64)icr2 << 32)); +} + +static struct apic_ops xapic_ops = { + .read = native_apic_mem_read, + .write = native_apic_mem_write, + .write_atomic = native_apic_mem_write_atomic, + .icr_read = xapic_icr_read, + .icr_write = xapic_icr_write, + .wait_icr_idle = xapic_wait_icr_idle, + .safe_wait_icr_idle = safe_xapic_wait_icr_idle, +}; + +struct apic_ops __read_mostly *apic_ops = &xapic_ops; + +EXPORT_SYMBOL_GPL(apic_ops); + /** * enable_NMI_through_LVT0 - enable NMI through local vector table 0 */ diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 84dd63c13d63..b62d42ef9283 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1157,6 +1157,7 @@ static __apicdebuginit void print_APIC_bitfield (int base) void __apicdebuginit print_local_APIC(void * dummy) { unsigned int v, ver, maxlvt; + unsigned long icr; if (apic_verbosity == APIC_QUIET) return; @@ -1200,10 +1201,9 @@ void __apicdebuginit print_local_APIC(void * dummy) v = apic_read(APIC_ESR); printk(KERN_DEBUG "... APIC ESR: %08x\n", v); - v = apic_read(APIC_ICR); - printk(KERN_DEBUG "... APIC ICR: %08x\n", v); - v = apic_read(APIC_ICR2); - printk(KERN_DEBUG "... APIC ICR2: %08x\n", v); + icr = apic_icr_read(); + printk(KERN_DEBUG "... APIC ICR: %08x\n", icr); + printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32); v = apic_read(APIC_LVTT); printk(KERN_DEBUG "... APIC LVTT: %08x\n", v); diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index e0f571d58c19..b80105a0f474 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -360,9 +360,11 @@ struct pv_cpu_ops pv_cpu_ops = { struct pv_apic_ops pv_apic_ops = { #ifdef CONFIG_X86_LOCAL_APIC - .apic_write = native_apic_write, - .apic_write_atomic = native_apic_write_atomic, - .apic_read = native_apic_read, +#ifnded CONFIG_X86_64 + .apic_write = native_apic_mem_write, + .apic_write_atomic = native_apic_mem_write_atomic, + .apic_read = native_apic_mem_read, +#endif .setup_boot_clock = setup_boot_APIC_clock, .setup_secondary_clock = setup_secondary_APIC_clock, .startup_ipi_hook = paravirt_nop, diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index f35c2d8016ac..c55263b3df02 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -123,7 +123,6 @@ EXPORT_PER_CPU_SYMBOL(cpu_info); static atomic_t init_deasserted; -static int boot_cpu_logical_apicid; /* representing cpus for which sibling maps can be computed */ static cpumask_t cpu_sibling_setup_map; @@ -165,6 +164,8 @@ static void unmap_cpu_to_node(int cpu) #endif #ifdef CONFIG_X86_32 +static int boot_cpu_logical_apicid; + u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID }; @@ -546,8 +547,7 @@ static inline void __inquire_remote_apic(int apicid) printk(KERN_CONT "a previous APIC delivery may have failed\n"); - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(apicid)); - apic_write_around(APIC_ICR, APIC_DM_REMRD | regs[i]); + apic_icr_write(APIC_DM_REMRD | regs[i], apicid); timeout = 0; do { @@ -579,11 +579,9 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) int maxlvt; /* Target chip */ - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(logical_apicid)); - /* Boot on the stack */ /* Kick the second */ - apic_write_around(APIC_ICR, APIC_DM_NMI | APIC_DEST_LOGICAL); + apic_icr_write(APIC_DM_NMI | APIC_DEST_LOGICAL, logical_apicid); Dprintk("Waiting for send to finish...\n"); send_status = safe_apic_wait_icr_idle(); @@ -639,13 +637,11 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) /* * Turn INIT on target chip */ - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid)); - /* * Send IPI */ - apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT - | APIC_DM_INIT); + apic_icr_write(APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT, + phys_apicid); Dprintk("Waiting for send to finish...\n"); send_status = safe_apic_wait_icr_idle(); @@ -655,10 +651,8 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) Dprintk("Deasserting INIT.\n"); /* Target chip */ - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid)); - /* Send IPI */ - apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT); + apic_icr_write(APIC_INT_LEVELTRIG | APIC_DM_INIT, phys_apicid); Dprintk("Waiting for send to finish...\n"); send_status = safe_apic_wait_icr_idle(); @@ -703,12 +697,10 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) */ /* Target chip */ - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid)); - /* Boot on the stack */ /* Kick the second */ - apic_write_around(APIC_ICR, APIC_DM_STARTUP - | (start_eip >> 12)); + apic_icr_write(APIC_DM_STARTUP | (start_eip >> 12), + phys_apicid); /* * Give the other CPU some time to accept the IPI. @@ -1147,7 +1139,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) * Setup boot CPU information */ smp_store_cpu_info(0); /* Final full version of the data */ +#ifdef CONFIG_X86_32 boot_cpu_logical_apicid = logical_smp_processor_id(); +#endif current_thread_info()->cpu = 0; /* needed? */ set_cpu_sibling_map(0); diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 4e2c1e517f06..6fda195337c5 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -47,32 +47,59 @@ extern int disable_apic; #ifdef CONFIG_PARAVIRT #include #else -#define apic_write native_apic_write -#define apic_write_atomic native_apic_write_atomic -#define apic_read native_apic_read +#ifndef CONFIG_X86_64 +#define apic_write native_apic_mem_write +#define apic_write_atomic native_apic_mem_write_atomic +#define apic_read native_apic_mem_read +#endif #define setup_boot_clock setup_boot_APIC_clock #define setup_secondary_clock setup_secondary_APIC_clock #endif extern int is_vsmp_box(void); -static inline void native_apic_write(unsigned long reg, u32 v) +static inline void native_apic_mem_write(u32 reg, u32 v) { *((volatile u32 *)(APIC_BASE + reg)) = v; } -static inline void native_apic_write_atomic(unsigned long reg, u32 v) +static inline void native_apic_mem_write_atomic(u32 reg, u32 v) { (void)xchg((u32 *)(APIC_BASE + reg), v); } -static inline u32 native_apic_read(unsigned long reg) +static inline u32 native_apic_mem_read(u32 reg) { return *((volatile u32 *)(APIC_BASE + reg)); } +#ifdef CONFIG_X86_32 extern void apic_wait_icr_idle(void); extern u32 safe_apic_wait_icr_idle(void); +extern void apic_icr_write(u32 low, u32 id); +#else + +struct apic_ops { + u32 (*read)(u32 reg); + void (*write)(u32 reg, u32 v); + void (*write_atomic)(u32 reg, u32 v); + u64 (*icr_read)(void); + void (*icr_write)(u32 low, u32 high); + void (*wait_icr_idle)(void); + u32 (*safe_wait_icr_idle)(void); +}; + +extern struct apic_ops *apic_ops; + +#define apic_read (apic_ops->read) +#define apic_write (apic_ops->write) +#define apic_write_atomic (apic_ops->write_atomic) +#define apic_icr_read (apic_ops->icr_read) +#define apic_icr_write (apic_ops->icr_write) +#define apic_wait_icr_idle (apic_ops->wait_icr_idle) +#define safe_apic_wait_icr_idle (apic_ops->safe_wait_icr_idle) +#endif + extern int get_physical_broadcast(void); #ifdef CONFIG_X86_GOOD_APIC @@ -95,7 +122,11 @@ static inline void ack_APIC_irq(void) */ /* Docs say use 0 for future compatibility */ +#ifdef CONFIG_X86_32 apic_write_around(APIC_EOI, 0); +#else + native_apic_mem_write(APIC_EOI, 0); +#endif } extern int lapic_get_maxlvt(void); diff --git a/include/asm-x86/ipi.h b/include/asm-x86/ipi.h index 196d63c28aa4..3d8d6a6c1f8e 100644 --- a/include/asm-x86/ipi.h +++ b/include/asm-x86/ipi.h @@ -49,6 +49,12 @@ static inline int __prepare_ICR2(unsigned int mask) return SET_APIC_DEST_FIELD(mask); } +static inline void __xapic_wait_icr_idle(void) +{ + while (native_apic_mem_read(APIC_ICR) & APIC_ICR_BUSY) + cpu_relax(); +} + static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest) { @@ -64,7 +70,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, /* * Wait for idle. */ - apic_wait_icr_idle(); + __xapic_wait_icr_idle(); /* * No need to touch the target chip field @@ -74,7 +80,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector, /* * Send the IPI. The write to APIC_ICR fires this off. */ - apic_write(APIC_ICR, cfg); + native_apic_mem_write(APIC_ICR, cfg); } /* @@ -92,13 +98,13 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector, if (unlikely(vector == NMI_VECTOR)) safe_apic_wait_icr_idle(); else - apic_wait_icr_idle(); + __xapic_wait_icr_idle(); /* * prepare target chip field */ cfg = __prepare_ICR2(mask); - apic_write(APIC_ICR2, cfg); + native_apic_mem_write(APIC_ICR2, cfg); /* * program the ICR @@ -108,7 +114,7 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector, /* * Send the IPI. The write to APIC_ICR fires this off. */ - apic_write(APIC_ICR, cfg); + native_apic_mem_write(APIC_ICR, cfg); } static inline void send_IPI_mask_sequence(cpumask_t mask, int vector) diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index ef5e8ec6a6ab..10adac02e6db 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -891,6 +891,7 @@ static inline void slow_down_io(void) /* * Basic functions accessing APICs. */ +#ifndef CONFIG_X86_64 static inline void apic_write(unsigned long reg, u32 v) { PVOP_VCALL2(pv_apic_ops.apic_write, reg, v); @@ -905,6 +906,7 @@ static inline u32 apic_read(unsigned long reg) { return PVOP_CALL1(unsigned long, pv_apic_ops.apic_read, reg); } +#endif static inline void setup_boot_clock(void) { diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 9848715fbd9e..d9d007d22785 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -158,13 +158,13 @@ extern int safe_smp_processor_id(void); #ifdef CONFIG_X86_LOCAL_APIC +#ifndef CONFIG_X86_64 static inline int logical_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } -#ifndef CONFIG_X86_64 static inline unsigned int read_apic_id(void) { return *(u32 *)(APIC_BASE + APIC_ID); -- GitLab From 32e1d0a0651004f5fe47f85a2a5c725ad579a90c Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:50 -0700 Subject: [PATCH 0028/6244] x64, x2apic/intr-remap: cpuid bits for x2apic feature cpuid feature for x2apic. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/feature_names.c | 2 +- include/asm-x86/cpufeature.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c index e43ad4ad4cba..0bf4d37a0483 100644 --- a/arch/x86/kernel/cpu/feature_names.c +++ b/arch/x86/kernel/cpu/feature_names.c @@ -45,7 +45,7 @@ const char * const x86_cap_flags[NCAPINTS*32] = { /* Intel-defined (#2) */ "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est", "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, - NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt", + NULL, NULL, "dca", "sse4_1", "sse4_2", "x2apic", NULL, "popcnt", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* VIA/Cyrix/Centaur-defined */ diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 75ef959db329..5be9510ee012 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -90,6 +90,7 @@ #define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */ #define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */ #define X86_FEATURE_DCA (4*32+18) /* Direct Cache Access */ +#define X86_FEATURE_X2APIC (4*32+21) /* x2APIC */ /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ #define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */ @@ -188,6 +189,7 @@ extern const char * const x86_power_flags[32]; #define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES) #define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON) #define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT) +#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC) #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64) # define cpu_has_invlpg 1 -- GitLab From 1cb11583a6c4ceda7426eb36f7bf0419da8dfbc2 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:51 -0700 Subject: [PATCH 0029/6244] x64, x2apic/intr-remap: disable DMA-remapping if Interrupt-remapping is detected (temporary quirk) Interrupt-remapping enables queued invalidation. And once queued invalidation is enabled, IOTLB invalidation also needs to use the queued invalidation mechanism and the register based IOTLB invalidation doesn't work. For now, Support for IOTLB invalidation using queued invalidation is missing. Meanwhile, disable DMA-remapping, if Interrupt-remapping support is detected. For the meanwhile, if someone wants to really enable DMA-remapping, they can use nox2apic, which will disable interrupt-remapping and as such doesn't enable queued invalidation. And given that none of the release platforms support intr-remapping yet, we should be ok for this temporary hack. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 23a119e6485e..bd2c01674f5e 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -457,6 +457,31 @@ void __init detect_intel_iommu(void) #ifdef CONFIG_DMAR { + struct acpi_table_dmar *dmar; + /* + * for now we will disable dma-remapping when interrupt + * remapping is enabled. + * When support for queued invalidation for IOTLB invalidation + * is added, we will not need this any more. + */ + dmar = (struct acpi_table_dmar *) dmar_tbl; + if (ret && cpu_has_x2apic && dmar->flags & 0x1) { + printk(KERN_INFO + "Queued invalidation will be enabled to support " + "x2apic and Intr-remapping.\n"); + printk(KERN_INFO + "Disabling IOMMU detection, because of missing " + "queued invalidation support for IOTLB " + "invalidation\n"); + printk(KERN_INFO + "Use \"nox2apic\", if you want to use Intel " + " IOMMU for DMA-remapping and don't care about " + " x2apic support\n"); + + dmar_disabled = 1; + return; + } + if (ret && !no_iommu && !iommu_detected && !swiotlb && !dmar_disabled) iommu_detected = 1; -- GitLab From 13c88fb58d0112d47f7839f24a755715c6218822 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:52 -0700 Subject: [PATCH 0030/6244] x64, x2apic/intr-remap: x2apic ops for x2apic mode support x2apic ops for x2apic mode support. This uses MSR interface and differs slightly from the xapic register layout. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 35 +++++++++++++++++++++++++++++++++++ include/asm-x86/apic.h | 22 ++++++++++++++++++++++ include/asm-x86/apicdef.h | 3 +++ 3 files changed, 60 insertions(+) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 9bb040689b31..a969ef78e12a 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -171,6 +171,41 @@ struct apic_ops __read_mostly *apic_ops = &xapic_ops; EXPORT_SYMBOL_GPL(apic_ops); +static void x2apic_wait_icr_idle(void) +{ + /* no need to wait for icr idle in x2apic */ + return; +} + +static u32 safe_x2apic_wait_icr_idle(void) +{ + /* no need to wait for icr idle in x2apic */ + return 0; +} + +void x2apic_icr_write(u32 low, u32 id) +{ + wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); +} + +u64 x2apic_icr_read(void) +{ + unsigned long val; + + rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); + return val; +} + +static struct apic_ops x2apic_ops = { + .read = native_apic_msr_read, + .write = native_apic_msr_write, + .write_atomic = native_apic_msr_write, + .icr_read = x2apic_icr_read, + .icr_write = x2apic_icr_write, + .wait_icr_idle = x2apic_wait_icr_idle, + .safe_wait_icr_idle = safe_x2apic_wait_icr_idle, +}; + /** * enable_NMI_through_LVT0 - enable NMI through local vector table 0 */ diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 6fda195337c5..bb54928373ca 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -7,6 +7,8 @@ #include #include #include +#include +#include #define ARCH_APICTIMER_STOPS_ON_C3 1 @@ -73,6 +75,26 @@ static inline u32 native_apic_mem_read(u32 reg) return *((volatile u32 *)(APIC_BASE + reg)); } +static inline void native_apic_msr_write(u32 reg, u32 v) +{ + if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || + reg == APIC_LVR) + return; + + wrmsr(APIC_BASE_MSR + (reg >> 4), v, 0); +} + +static inline u32 native_apic_msr_read(u32 reg) +{ + u32 low, high; + + if (reg == APIC_DFR) + return -1; + + rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); + return low; +} + #ifdef CONFIG_X86_32 extern void apic_wait_icr_idle(void); extern u32 safe_apic_wait_icr_idle(void); diff --git a/include/asm-x86/apicdef.h b/include/asm-x86/apicdef.h index 6b9008c78731..bcae297b30b2 100644 --- a/include/asm-x86/apicdef.h +++ b/include/asm-x86/apicdef.h @@ -105,6 +105,7 @@ #define APIC_TMICT 0x380 #define APIC_TMCCT 0x390 #define APIC_TDCR 0x3E0 +#define APIC_SELF_IPI 0x3F0 #define APIC_TDR_DIV_TMBASE (1 << 2) #define APIC_TDR_DIV_1 0xB #define APIC_TDR_DIV_2 0x0 @@ -128,6 +129,8 @@ #define APIC_EILVT3 0x530 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) +#define APIC_BASE_MSR 0x800 +#define X2APIC_ENABLE (1UL << 10) #ifdef CONFIG_X86_32 # define MAX_IO_APICS 64 -- GitLab From cff73a6ffaed726780b001937d2a42efde553922 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:53 -0700 Subject: [PATCH 0031/6244] x64, x2apic/intr-remap: introcude self IPI to genapic routines Introduce self IPI op for genapic. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/genapic_64.c | 2 +- arch/x86/kernel/genapic_flat_64.c | 2 ++ include/asm-x86/genapic_64.h | 2 ++ include/asm-x86/hw_irq.h | 2 ++ include/asm-x86/mach-default/mach_apic.h | 1 + 5 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 7414871751a7..6657de609dcb 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -61,7 +61,7 @@ void __init setup_apic_routing(void) /* Same for both flat and physical. */ -void send_IPI_self(int vector) +void apic_send_IPI_self(int vector) { __send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL); } diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 400ed8df8b4e..735586822135 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -131,6 +131,7 @@ struct genapic apic_flat = { .send_IPI_all = flat_send_IPI_all, .send_IPI_allbutself = flat_send_IPI_allbutself, .send_IPI_mask = flat_send_IPI_mask, + .send_IPI_self = apic_send_IPI_self, .cpu_mask_to_apicid = flat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, .read_apic_id = read_xapic_id, @@ -196,6 +197,7 @@ struct genapic apic_physflat = { .send_IPI_all = physflat_send_IPI_all, .send_IPI_allbutself = physflat_send_IPI_allbutself, .send_IPI_mask = physflat_send_IPI_mask, + .send_IPI_self = apic_send_IPI_self, .cpu_mask_to_apicid = physflat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, .read_apic_id = read_xapic_id, diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index d567abc347a9..6777d71aabc9 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -24,6 +24,7 @@ struct genapic { void (*send_IPI_mask)(cpumask_t mask, int vector); void (*send_IPI_allbutself)(int vector); void (*send_IPI_all)(int vector); + void (*send_IPI_self)(int vector); /* */ unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); unsigned int (*phys_pkg_id)(int index_msb); @@ -36,6 +37,7 @@ extern struct genapic apic_flat; extern struct genapic apic_physflat; extern int acpi_madt_oem_check(char *, char *); +extern void apic_send_IPI_self(int vector); enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; extern enum uv_system_type get_uv_system_type(void); extern int is_uv_system(void); diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 18f067c310f7..2ae47e7c1063 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -72,7 +72,9 @@ extern void enable_IO_APIC(void); #endif /* IPI functions */ +#ifdef CONFIG_X86_32 extern void send_IPI_self(int vector); +#endif extern void send_IPI(int dest, int vector); /* Statistics */ diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index d172c554ab9f..e06d23975d6a 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -31,6 +31,7 @@ static inline cpumask_t target_cpus(void) #define phys_pkg_id (genapic->phys_pkg_id) #define vector_allocation_domain (genapic->vector_allocation_domain) #define read_apic_id (genapic->read_apic_id) +#define send_IPI_self (genapic->send_IPI_self) extern void setup_apic_routing(void); #else #define INT_DELIVERY_MODE dest_LowestPrio -- GitLab From 12a67cf6851871ca8df42025c94f140c303d0f7f Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:54 -0700 Subject: [PATCH 0032/6244] x64, x2apic/intr-remap: x2apic cluster mode support x2apic cluster mode support. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 1 + arch/x86/kernel/genapic_64.c | 2 + arch/x86/kernel/genx2apic_cluster.c | 135 ++++++++++++++++++++++++++++ include/asm-x86/genapic_64.h | 1 + 4 files changed, 139 insertions(+) create mode 100644 arch/x86/kernel/genx2apic_cluster.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 55ff016e9f69..bde3e9b6fec9 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -95,6 +95,7 @@ obj-$(CONFIG_OLPC) += olpc.o # 64 bit specific files ifeq ($(CONFIG_X86_64),y) obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o + obj-y += genx2apic_cluster.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o obj-$(CONFIG_AUDIT) += audit_64.o diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 6657de609dcb..1029e178cdf7 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -38,6 +38,8 @@ void __init setup_apic_routing(void) { if (uv_system_type == UV_NON_UNIQUE_APIC) genapic = &apic_x2apic_uv_x; + else if (cpu_has_x2apic && intr_remapping_enabled) + genapic = &apic_x2apic_cluster; else #ifdef CONFIG_ACPI /* diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c new file mode 100644 index 000000000000..ed0fdede800a --- /dev/null +++ b/arch/x86/kernel/genx2apic_cluster.c @@ -0,0 +1,135 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); + +/* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ + +static cpumask_t x2apic_target_cpus(void) +{ + return cpumask_of_cpu(0); +} + +/* + * for now each logical cpu is in its own vector allocation domain. + */ +static cpumask_t x2apic_vector_allocation_domain(int cpu) +{ + cpumask_t domain = CPU_MASK_NONE; + cpu_set(cpu, domain); + return domain; +} + +static void __x2apic_send_IPI_dest(unsigned int apicid, int vector, + unsigned int dest) +{ + unsigned long cfg; + + cfg = __prepare_ICR(0, vector, dest); + + /* + * send the IPI. + */ + x2apic_icr_write(cfg, apicid); +} + +/* + * for now, we send the IPI's one by one in the cpumask. + * TBD: Based on the cpu mask, we can send the IPI's to the cluster group + * at once. We have 16 cpu's in a cluster. This will minimize IPI register + * writes. + */ +static void x2apic_send_IPI_mask(cpumask_t mask, int vector) +{ + unsigned long flags; + unsigned long query_cpu; + + local_irq_save(flags); + for_each_cpu_mask(query_cpu, mask) { + __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_logical_apicid, query_cpu), + vector, APIC_DEST_LOGICAL); + } + local_irq_restore(flags); +} + +static void x2apic_send_IPI_allbutself(int vector) +{ + cpumask_t mask = cpu_online_map; + + cpu_clear(smp_processor_id(), mask); + + if (!cpus_empty(mask)) + x2apic_send_IPI_mask(mask, vector); +} + +static void x2apic_send_IPI_all(int vector) +{ + x2apic_send_IPI_mask(cpu_online_map, vector); +} + +static int x2apic_apic_id_registered(void) +{ + return 1; +} + +static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask) +{ + int cpu; + + /* + * We're using fixed IRQ delivery, can only return one phys APIC ID. + * May as well be the first. + */ + cpu = first_cpu(cpumask); + if ((unsigned)cpu < NR_CPUS) + return per_cpu(x86_cpu_to_logical_apicid, cpu); + else + return BAD_APICID; +} + +static unsigned int x2apic_read_id(void) +{ + return apic_read(APIC_ID); +} + +static unsigned int phys_pkg_id(int index_msb) +{ + return x2apic_read_id() >> index_msb; +} + +static void x2apic_send_IPI_self(int vector) +{ + apic_write(APIC_SELF_IPI, vector); +} + +static void init_x2apic_ldr(void) +{ + int cpu = smp_processor_id(); + + per_cpu(x86_cpu_to_logical_apicid, cpu) = apic_read(APIC_LDR); + return; +} + +struct genapic apic_x2apic_cluster = { + .name = "cluster x2apic", + .int_delivery_mode = dest_LowestPrio, + .int_dest_mode = (APIC_DEST_LOGICAL != 0), + .target_cpus = x2apic_target_cpus, + .vector_allocation_domain = x2apic_vector_allocation_domain, + .apic_id_registered = x2apic_apic_id_registered, + .init_apic_ldr = init_x2apic_ldr, + .send_IPI_all = x2apic_send_IPI_all, + .send_IPI_allbutself = x2apic_send_IPI_allbutself, + .send_IPI_mask = x2apic_send_IPI_mask, + .send_IPI_self = x2apic_send_IPI_self, + .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, + .phys_pkg_id = phys_pkg_id, + .read_apic_id = x2apic_read_id, +}; diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 6777d71aabc9..232460305877 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -35,6 +35,7 @@ extern struct genapic *genapic; extern struct genapic apic_flat; extern struct genapic apic_physflat; +extern struct genapic apic_x2apic_cluster; extern int acpi_madt_oem_check(char *, char *); extern void apic_send_IPI_self(int vector); -- GitLab From 5c520a6724e912a7e6153b7597192edad6752750 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:55 -0700 Subject: [PATCH 0033/6244] x64, x2apic/intr-remap: setup init_apic_ldr for UV Signed-off-by: Suresh Siddha Signed-off-by: Jack Steiner Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index 1ef99be18488..dcd4fb219daa 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -120,6 +120,10 @@ static int uv_apic_id_registered(void) return 1; } +static inline void uv_init_apic_ldr(void) +{ +} + static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask) { int cpu; @@ -164,6 +168,7 @@ struct genapic apic_x2apic_uv_x = { .target_cpus = uv_target_cpus, .vector_allocation_domain = uv_vector_allocation_domain,/* Fixme ZZZ */ .apic_id_registered = uv_apic_id_registered, + .init_apic_ldr = uv_init_apic_ldr, .send_IPI_all = uv_send_IPI_all, .send_IPI_allbutself = uv_send_IPI_allbutself, .send_IPI_mask = uv_send_IPI_mask, -- GitLab From 89027d35aa5b8f45ce0f7fa0911db85b46563da0 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:56 -0700 Subject: [PATCH 0034/6244] x64, x2apic/intr-remap: IO-APIC support for interrupt-remapping IO-APIC support in the presence of interrupt-remapping infrastructure. IO-APIC RTE will be programmed with interrupt-remapping table entry(IRTE) index and the IRTE will contain information about the vector, cpu destination, trigger mode etc, which traditionally was present in the IO-APIC RTE. Introduce a new irq_chip for cleaner irq migration (in the process context as opposed to the current irq migration in the context of an interrupt. interrupt-remapping infrastructure will help us achieve this cleanly). For edge triggered, irq migration is a simple atomic update(of vector and cpu destination) of IRTE and flush the hardware cache. For level triggered, we need to modify the io-apic RTE aswell with the update vector information, along with modifying IRTE with vector and cpu destination. So irq migration for level triggered is little bit more complex compared to edge triggered migration. But the good news is, we use the same algorithm for level triggered migration as we have today, only difference being, we now initiate the irq migration from process context instead of the interrupt context. In future, when we do a directed EOI (combined with cpu EOI broadcast suppression) to the IO-APIC, level triggered irq migration will also be as simple as edge triggered migration and we can do the irq migration with a simple atomic update to IO-APIC RTE. TBD: some tests/changes needed in the presence of fixup_irqs() for level triggered irq migration. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 1 + arch/x86/kernel/io_apic_64.c | 300 +++++++++++++++++++++++++++++--- drivers/pci/intr_remapping.c | 10 ++ include/asm-x86/apic.h | 9 + include/asm-x86/io_apic.h | 14 ++ include/asm-x86/irq_remapping.h | 8 + include/linux/dmar.h | 1 + 7 files changed, 321 insertions(+), 22 deletions(-) create mode 100644 include/asm-x86/irq_remapping.h diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index a969ef78e12a..d5c06917b5b1 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -46,6 +46,7 @@ static int disable_apic_timer __cpuinitdata; static int apic_calibrate_pmtmr __initdata; int disable_apic; +int x2apic; /* Local APIC timer works in C2 */ int local_apic_timer_c2_ok; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index b62d42ef9283..9bd02ef049a0 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -37,6 +37,7 @@ #include #endif #include +#include #include #include @@ -48,6 +49,7 @@ #include #include #include +#include #include #include @@ -312,7 +314,12 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) pin = entry->pin; if (pin == -1) break; - io_apic_write(apic, 0x11 + pin*2, dest); + /* + * With interrupt-remapping, destination information comes + * from interrupt-remapping table entry. + */ + if (!irq_remapped(irq)) + io_apic_write(apic, 0x11 + pin*2, dest); reg = io_apic_read(apic, 0x10 + pin*2); reg &= ~IO_APIC_REDIR_VECTOR_MASK; reg |= vector; @@ -906,18 +913,98 @@ void setup_vector_irq(int cpu) static struct irq_chip ioapic_chip; +#ifdef CONFIG_INTR_REMAP +static struct irq_chip ir_ioapic_chip; +#endif static void ioapic_register_intr(int irq, unsigned long trigger) { - if (trigger) { + if (trigger) irq_desc[irq].status |= IRQ_LEVEL; - set_irq_chip_and_handler_name(irq, &ioapic_chip, - handle_fasteoi_irq, "fasteoi"); - } else { + else irq_desc[irq].status &= ~IRQ_LEVEL; + +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + irq_desc[irq].status |= IRQ_MOVE_PCNTXT; + if (trigger) + set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, + handle_fasteoi_irq, + "fasteoi"); + else + set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, + handle_edge_irq, "edge"); + return; + } +#endif + if (trigger) + set_irq_chip_and_handler_name(irq, &ioapic_chip, + handle_fasteoi_irq, + "fasteoi"); + else set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); +} + +static int setup_ioapic_entry(int apic, int irq, + struct IO_APIC_route_entry *entry, + unsigned int destination, int trigger, + int polarity, int vector) +{ + /* + * add it to the IO-APIC irq-routing table: + */ + memset(entry,0,sizeof(*entry)); + +#ifdef CONFIG_INTR_REMAP + if (intr_remapping_enabled) { + struct intel_iommu *iommu = map_ioapic_to_ir(apic); + struct irte irte; + struct IR_IO_APIC_route_entry *ir_entry = + (struct IR_IO_APIC_route_entry *) entry; + int index; + + if (!iommu) + panic("No mapping iommu for ioapic %d\n", apic); + + index = alloc_irte(iommu, irq, 1); + if (index < 0) + panic("Failed to allocate IRTE for ioapic %d\n", apic); + + memset(&irte, 0, sizeof(irte)); + + irte.present = 1; + irte.dst_mode = INT_DEST_MODE; + irte.trigger_mode = trigger; + irte.dlvry_mode = INT_DELIVERY_MODE; + irte.vector = vector; + irte.dest_id = IRTE_DEST(destination); + + modify_irte(irq, &irte); + + ir_entry->index2 = (index >> 15) & 0x1; + ir_entry->zero = 0; + ir_entry->format = 1; + ir_entry->index = (index & 0x7fff); + } else +#endif + { + entry->delivery_mode = INT_DELIVERY_MODE; + entry->dest_mode = INT_DEST_MODE; + entry->dest = destination; } + + entry->mask = 0; /* enable IRQ */ + entry->trigger = trigger; + entry->polarity = polarity; + entry->vector = vector; + + /* Mask level triggered irqs. + * Use IRQ_DELAYED_DISABLE for edge triggered irqs. + */ + if (trigger) + entry->mask = 1; + return 0; } static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, @@ -942,24 +1029,15 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector, irq, trigger, polarity); - /* - * add it to the IO-APIC irq-routing table: - */ - memset(&entry,0,sizeof(entry)); - - entry.delivery_mode = INT_DELIVERY_MODE; - entry.dest_mode = INT_DEST_MODE; - entry.dest = cpu_mask_to_apicid(mask); - entry.mask = 0; /* enable IRQ */ - entry.trigger = trigger; - entry.polarity = polarity; - entry.vector = cfg->vector; - /* Mask level triggered irqs. - * Use IRQ_DELAYED_DISABLE for edge triggered irqs. - */ - if (trigger) - entry.mask = 1; + if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry, + cpu_mask_to_apicid(mask), trigger, polarity, + cfg->vector)) { + printk("Failed to setup ioapic entry for ioapic %d, pin %d\n", + mp_ioapics[apic].mp_apicid, pin); + __clear_irq_vector(irq); + return; + } ioapic_register_intr(irq, trigger); if (irq < 16) @@ -1011,6 +1089,9 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, { struct IO_APIC_route_entry entry; + if (intr_remapping_enabled) + return; + memset(&entry, 0, sizeof(entry)); /* @@ -1466,6 +1547,147 @@ static int ioapic_retrigger_irq(unsigned int irq) */ #ifdef CONFIG_SMP + +#ifdef CONFIG_INTR_REMAP +static void ir_irq_migration(struct work_struct *work); + +static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration); + +/* + * Migrate the IO-APIC irq in the presence of intr-remapping. + * + * For edge triggered, irq migration is a simple atomic update(of vector + * and cpu destination) of IRTE and flush the hardware cache. + * + * For level triggered, we need to modify the io-apic RTE aswell with the update + * vector information, along with modifying IRTE with vector and destination. + * So irq migration for level triggered is little bit more complex compared to + * edge triggered migration. But the good news is, we use the same algorithm + * for level triggered migration as we have today, only difference being, + * we now initiate the irq migration from process context instead of the + * interrupt context. + * + * In future, when we do a directed EOI (combined with cpu EOI broadcast + * suppression) to the IO-APIC, level triggered irq migration will also be + * as simple as edge triggered migration and we can do the irq migration + * with a simple atomic update to IO-APIC RTE. + */ +static void migrate_ioapic_irq(int irq, cpumask_t mask) +{ + struct irq_cfg *cfg = irq_cfg + irq; + struct irq_desc *desc = irq_desc + irq; + cpumask_t tmp, cleanup_mask; + struct irte irte; + int modify_ioapic_rte = desc->status & IRQ_LEVEL; + unsigned int dest; + unsigned long flags; + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (get_irte(irq, &irte)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + if (modify_ioapic_rte) { + spin_lock_irqsave(&ioapic_lock, flags); + __target_IO_APIC_irq(irq, dest, cfg->vector); + spin_unlock_irqrestore(&ioapic_lock, flags); + } + + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + /* + * Modified the IRTE and flushes the Interrupt entry cache. + */ + modify_irte(irq, &irte); + + if (cfg->move_in_progress) { + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } + + irq_desc[irq].affinity = mask; +} + +static int migrate_irq_remapped_level(int irq) +{ + int ret = -1; + + mask_IO_APIC_irq(irq); + + if (io_apic_level_ack_pending(irq)) { + /* + * Interrupt in progress. Migrating irq now will change the + * vector information in the IO-APIC RTE and that will confuse + * the EOI broadcast performed by cpu. + * So, delay the irq migration to the next instance. + */ + schedule_delayed_work(&ir_migration_work, 1); + goto unmask; + } + + /* everthing is clear. we have right of way */ + migrate_ioapic_irq(irq, irq_desc[irq].pending_mask); + + ret = 0; + irq_desc[irq].status &= ~IRQ_MOVE_PENDING; + cpus_clear(irq_desc[irq].pending_mask); + +unmask: + unmask_IO_APIC_irq(irq); + return ret; +} + +static void ir_irq_migration(struct work_struct *work) +{ + int irq; + + for (irq = 0; irq < NR_IRQS; irq++) { + struct irq_desc *desc = irq_desc + irq; + if (desc->status & IRQ_MOVE_PENDING) { + unsigned long flags; + + spin_lock_irqsave(&desc->lock, flags); + if (!desc->chip->set_affinity || + !(desc->status & IRQ_MOVE_PENDING)) { + desc->status &= ~IRQ_MOVE_PENDING; + spin_unlock_irqrestore(&desc->lock, flags); + continue; + } + + desc->chip->set_affinity(irq, + irq_desc[irq].pending_mask); + spin_unlock_irqrestore(&desc->lock, flags); + } + } +} + +/* + * Migrates the IRQ destination in the process context. + */ +static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) +{ + if (irq_desc[irq].status & IRQ_LEVEL) { + irq_desc[irq].status |= IRQ_MOVE_PENDING; + irq_desc[irq].pending_mask = mask; + migrate_irq_remapped_level(irq); + return; + } + + migrate_ioapic_irq(irq, mask); +} +#endif + asmlinkage void smp_irq_move_cleanup_interrupt(void) { unsigned vector, me; @@ -1522,6 +1744,17 @@ static void irq_complete_move(unsigned int irq) #else static inline void irq_complete_move(unsigned int irq) {} #endif +#ifdef CONFIG_INTR_REMAP +static void ack_x2apic_level(unsigned int irq) +{ + ack_x2APIC_irq(); +} + +static void ack_x2apic_edge(unsigned int irq) +{ + ack_x2APIC_irq(); +} +#endif static void ack_apic_edge(unsigned int irq) { @@ -1596,6 +1829,21 @@ static struct irq_chip ioapic_chip __read_mostly = { .retrigger = ioapic_retrigger_irq, }; +#ifdef CONFIG_INTR_REMAP +static struct irq_chip ir_ioapic_chip __read_mostly = { + .name = "IR-IO-APIC", + .startup = startup_ioapic_irq, + .mask = mask_IO_APIC_irq, + .unmask = unmask_IO_APIC_irq, + .ack = ack_x2apic_edge, + .eoi = ack_x2apic_level, +#ifdef CONFIG_SMP + .set_affinity = set_ir_ioapic_affinity_irq, +#endif + .retrigger = ioapic_retrigger_irq, +}; +#endif + static inline void init_IO_APIC_traps(void) { int irq; @@ -1783,6 +2031,8 @@ static inline void __init check_timer(void) * 8259A. */ if (pin1 == -1) { + if (intr_remapping_enabled) + panic("BIOS bug: timer not connected to IO-APIC"); pin1 = pin2; apic1 = apic2; no_pin1 = 1; @@ -1809,6 +2059,8 @@ static inline void __init check_timer(void) clear_IO_APIC_pin(0, pin1); goto out; } + if (intr_remapping_enabled) + panic("timer doesn't work through Interrupt-remapped IO-APIC"); clear_IO_APIC_pin(apic1, pin1); if (!no_pin1) apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: " @@ -2401,6 +2653,10 @@ void __init setup_ioapic_dest(void) setup_IO_APIC_irq(ioapic, pin, irq, irq_trigger(irq_entry), irq_polarity(irq_entry)); +#ifdef CONFIG_INTR_REMAP + else if (intr_remapping_enabled) + set_ir_ioapic_affinity_irq(irq, TARGET_CPUS); +#endif else set_ioapic_affinity_irq(irq, TARGET_CPUS); } diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index bddb4b19b6c7..32e55c7a9805 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -220,6 +220,16 @@ int flush_irte(int irq) return 0; } +struct intel_iommu *map_ioapic_to_ir(int apic) +{ + int i; + + for (i = 0; i < MAX_IO_APICS; i++) + if (ir_ioapic[i].id == apic) + return ir_ioapic[i].iommu; + return NULL; +} + int free_irte(int irq) { int index, i; diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index bb54928373ca..aa746704a5c9 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -134,6 +134,15 @@ extern int get_physical_broadcast(void); # define apic_write_around(x, y) apic_write_atomic((x), (y)) #endif +#ifdef CONFIG_X86_64 +static inline void ack_x2APIC_irq(void) +{ + /* Docs say use 0 for future compatibility */ + native_apic_msr_write(APIC_EOI, 0); +} +#endif + + static inline void ack_APIC_irq(void) { /* diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 1c4a99d882f5..8dc2622714c8 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -107,6 +107,20 @@ struct IO_APIC_route_entry { } __attribute__ ((packed)); +struct IR_IO_APIC_route_entry { + __u64 vector : 8, + zero : 3, + index2 : 1, + delivery_status : 1, + polarity : 1, + irr : 1, + trigger : 1, + mask : 1, + reserved : 31, + format : 1, + index : 15; +} __attribute__ ((packed)); + #ifdef CONFIG_X86_IO_APIC /* diff --git a/include/asm-x86/irq_remapping.h b/include/asm-x86/irq_remapping.h new file mode 100644 index 000000000000..78242c6ffa58 --- /dev/null +++ b/include/asm-x86/irq_remapping.h @@ -0,0 +1,8 @@ +#ifndef _ASM_IRQ_REMAPPING_H +#define _ASM_IRQ_REMAPPING_H + +extern int x2apic; + +#define IRTE_DEST(dest) ((x2apic) ? dest : dest << 8) + +#endif diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 324bbca85a26..bf41ffa74705 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -109,6 +109,7 @@ extern int flush_irte(int irq); extern int free_irte(int irq); extern int irq_remapped(int irq); +extern struct intel_iommu *map_ioapic_to_ir(int apic); #else #define irq_remapped(irq) (0) #define enable_intr_remapping(mode) (-1) -- GitLab From 75c46fa61bc5b4ccd20a168ff325c58771248fcd Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:57 -0700 Subject: [PATCH 0035/6244] x64, x2apic/intr-remap: MSI and MSI-X support for interrupt remapping infrastructure MSI and MSI-X support for interrupt remapping infrastructure. MSI address register will be programmed with interrupt-remapping table entry(IRTE) index and the IRTE will contain information about the vector, cpu destination, etc. For MSI-X, all the IRTE's will be consecutively allocated in the table, and the address registers will contain the starting index to the block and the data register will contain the subindex with in that block. This also introduces a new irq_chip for cleaner irq migration (in the process context as opposed to the current irq migration in the context of an interrupt. interrupt-remapping infrastructure will help us achieve this). As MSI is edge triggered, irq migration is a simple atomic update(of vector and cpu destination) of IRTE and flushing the hardware cache. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 230 +++++++++++++++++++++++++++++++++-- drivers/pci/intr_remapping.c | 11 ++ include/asm-x86/msidef.h | 4 + include/linux/dmar.h | 1 + 4 files changed, 238 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 9bd02ef049a0..877aa2e9d7e8 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -2297,6 +2297,9 @@ void destroy_irq(unsigned int irq) dynamic_irq_cleanup(irq); +#ifdef CONFIG_INTR_REMAP + free_irte(irq); +#endif spin_lock_irqsave(&vector_lock, flags); __clear_irq_vector(irq); spin_unlock_irqrestore(&vector_lock, flags); @@ -2315,10 +2318,41 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms tmp = TARGET_CPUS; err = assign_irq_vector(irq, tmp); - if (!err) { - cpus_and(tmp, cfg->domain, tmp); - dest = cpu_mask_to_apicid(tmp); + if (err) + return err; + + cpus_and(tmp, cfg->domain, tmp); + dest = cpu_mask_to_apicid(tmp); + +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + struct irte irte; + int ir_index; + u16 sub_handle; + + ir_index = map_irq_to_irte_handle(irq, &sub_handle); + BUG_ON(ir_index == -1); + + memset (&irte, 0, sizeof(irte)); + + irte.present = 1; + irte.dst_mode = INT_DEST_MODE; + irte.trigger_mode = 0; /* edge */ + irte.dlvry_mode = INT_DELIVERY_MODE; + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + modify_irte(irq, &irte); + msg->address_hi = MSI_ADDR_BASE_HI; + msg->data = sub_handle; + msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_IR_EXT_INT | + MSI_ADDR_IR_SHV | + MSI_ADDR_IR_INDEX1(ir_index) | + MSI_ADDR_IR_INDEX2(ir_index); + } else +#endif + { msg->address_hi = MSI_ADDR_BASE_HI; msg->address_lo = MSI_ADDR_BASE_LO | @@ -2369,6 +2403,55 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) write_msi_msg(irq, &msg); irq_desc[irq].affinity = mask; } + +#ifdef CONFIG_INTR_REMAP +/* + * Migrate the MSI irq to another cpumask. This migration is + * done in the process context using interrupt-remapping hardware. + */ +static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) +{ + struct irq_cfg *cfg = irq_cfg + irq; + unsigned int dest; + cpumask_t tmp, cleanup_mask; + struct irte irte; + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (get_irte(irq, &irte)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + /* + * atomically update the IRTE with the new destination and vector. + */ + modify_irte(irq, &irte); + + /* + * After this point, all the interrupts will start arriving + * at the new destination. So, time to cleanup the previous + * vector allocation. + */ + if (cfg->move_in_progress) { + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } + + irq_desc[irq].affinity = mask; +} +#endif #endif /* CONFIG_SMP */ /* @@ -2386,26 +2469,157 @@ static struct irq_chip msi_chip = { .retrigger = ioapic_retrigger_irq, }; -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +#ifdef CONFIG_INTR_REMAP +static struct irq_chip msi_ir_chip = { + .name = "IR-PCI-MSI", + .unmask = unmask_msi_irq, + .mask = mask_msi_irq, + .ack = ack_x2apic_edge, +#ifdef CONFIG_SMP + .set_affinity = ir_set_msi_irq_affinity, +#endif + .retrigger = ioapic_retrigger_irq, +}; + +/* + * Map the PCI dev to the corresponding remapping hardware unit + * and allocate 'nvec' consecutive interrupt-remapping table entries + * in it. + */ +static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec) +{ + struct intel_iommu *iommu; + int index; + + iommu = map_dev_to_ir(dev); + if (!iommu) { + printk(KERN_ERR + "Unable to map PCI %s to iommu\n", pci_name(dev)); + return -ENOENT; + } + + index = alloc_irte(iommu, irq, nvec); + if (index < 0) { + printk(KERN_ERR + "Unable to allocate %d IRTE for PCI %s\n", nvec, + pci_name(dev)); + return -ENOSPC; + } + return index; +} +#endif + +static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) { + int ret; struct msi_msg msg; + + ret = msi_compose_msg(dev, irq, &msg); + if (ret < 0) + return ret; + + set_irq_msi(irq, desc); + write_msi_msg(irq, &msg); + +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + struct irq_desc *desc = irq_desc + irq; + /* + * irq migration in process context + */ + desc->status |= IRQ_MOVE_PCNTXT; + set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge"); + } else +#endif + set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); + + return 0; +} + +int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) +{ int irq, ret; + irq = create_irq(); if (irq < 0) return irq; - ret = msi_compose_msg(dev, irq, &msg); +#ifdef CONFIG_INTR_REMAP + if (!intr_remapping_enabled) + goto no_ir; + + ret = msi_alloc_irte(dev, irq, 1); + if (ret < 0) + goto error; +no_ir: +#endif + ret = setup_msi_irq(dev, desc, irq); if (ret < 0) { destroy_irq(irq); return ret; } + return 0; - set_irq_msi(irq, desc); - write_msi_msg(irq, &msg); +#ifdef CONFIG_INTR_REMAP +error: + destroy_irq(irq); + return ret; +#endif +} - set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + int irq, ret, sub_handle; + struct msi_desc *desc; +#ifdef CONFIG_INTR_REMAP + struct intel_iommu *iommu = 0; + int index = 0; +#endif + sub_handle = 0; + list_for_each_entry(desc, &dev->msi_list, list) { + irq = create_irq(); + if (irq < 0) + return irq; +#ifdef CONFIG_INTR_REMAP + if (!intr_remapping_enabled) + goto no_ir; + + if (!sub_handle) { + /* + * allocate the consecutive block of IRTE's + * for 'nvec' + */ + index = msi_alloc_irte(dev, irq, nvec); + if (index < 0) { + ret = index; + goto error; + } + } else { + iommu = map_dev_to_ir(dev); + if (!iommu) { + ret = -ENOENT; + goto error; + } + /* + * setup the mapping between the irq and the IRTE + * base index, the sub_handle pointing to the + * appropriate interrupt remap table entry. + */ + set_irte_irq(irq, iommu, index, sub_handle); + } +no_ir: +#endif + ret = setup_msi_irq(dev, desc, irq); + if (ret < 0) + goto error; + sub_handle++; + } return 0; + +error: + destroy_irq(irq); + return ret; } void arch_teardown_msi_irq(unsigned int irq) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 32e55c7a9805..bb642cc5e18c 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -230,6 +230,17 @@ struct intel_iommu *map_ioapic_to_ir(int apic) return NULL; } +struct intel_iommu *map_dev_to_ir(struct pci_dev *dev) +{ + struct dmar_drhd_unit *drhd; + + drhd = dmar_find_matched_drhd_unit(dev); + if (!drhd) + return NULL; + + return drhd->iommu; +} + int free_irte(int irq) { int index, i; diff --git a/include/asm-x86/msidef.h b/include/asm-x86/msidef.h index 296f29ce426d..57fd85935e5a 100644 --- a/include/asm-x86/msidef.h +++ b/include/asm-x86/msidef.h @@ -48,4 +48,8 @@ #define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \ MSI_ADDR_DEST_ID_MASK) +#define MSI_ADDR_IR_EXT_INT (1 << 4) +#define MSI_ADDR_IR_SHV (1 << 3) +#define MSI_ADDR_IR_INDEX1(index) ((index & 0x8000) >> 13) +#define MSI_ADDR_IR_INDEX2(index) ((index & 0x7fff) << 5) #endif /* ASM_MSIDEF_H */ diff --git a/include/linux/dmar.h b/include/linux/dmar.h index bf41ffa74705..c360c558e59e 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -109,6 +109,7 @@ extern int flush_irte(int irq); extern int free_irte(int irq); extern int irq_remapped(int irq); +extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev); extern struct intel_iommu *map_ioapic_to_ir(int apic); #else #define irq_remapped(irq) (0) -- GitLab From 6e1cb38a2aef7680975e71f23de187859ee8b158 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:58 -0700 Subject: [PATCH 0036/6244] x64, x2apic/intr-remap: add x2apic support, including enabling interrupt-remapping x2apic support. Interrupt-remapping must be enabled before enabling x2apic, this is needed to ensure that IO interrupts continue to work properly after the cpu mode is changed to x2apic(which uses 32bit extended physical/cluster apic id). On systems where apicid's are > 255, BIOS can handover the control to OS in x2apic mode. Or if the OS handover was in legacy xapic mode, check if it is capable of x2apic mode. And if we succeed in enabling Interrupt-remapping, then we can enable x2apic mode in the CPU. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- Documentation/kernel-parameters.txt | 2 + arch/x86/kernel/acpi/boot.c | 2 + arch/x86/kernel/apic_64.c | 154 +++++++++++++++++++++++++++- arch/x86/kernel/cpu/common_64.c | 2 + arch/x86/kernel/genapic_64.c | 1 + arch/x86/kernel/mpparse.c | 2 + arch/x86/kernel/setup.c | 2 + arch/x86/kernel/smpboot.c | 5 + include/asm-x86/apic.h | 5 + 9 files changed, 171 insertions(+), 4 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 795c487af8e4..56689ef1a159 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1377,6 +1377,8 @@ and is between 256 and 4096 characters. It is defined in the file nolapic_timer [X86-32,APIC] Do not use the local APIC timer. + nox2apic [X86-64,APIC] Do not enable x2APIC mode. + noltlbs [PPC] Do not use large page/tlb entries for kernel lowmem mapping on PPC40x. diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 785700a08e9d..8705262ddcda 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1337,7 +1337,9 @@ static void __init acpi_process_madt(void) acpi_ioapic = 1; smp_found_config = 1; +#ifdef CONFIG_X86_32 setup_apic_routing(); +#endif } } if (error == -EINVAL) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index d5c06917b5b1..dd0501039f09 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -39,6 +40,7 @@ #include #include #include +#include #include #include @@ -46,8 +48,12 @@ static int disable_apic_timer __cpuinitdata; static int apic_calibrate_pmtmr __initdata; int disable_apic; +int disable_x2apic; int x2apic; +/* x2apic enabled before OS handover */ +int x2apic_preenabled; + /* Local APIC timer works in C2 */ int local_apic_timer_c2_ok; EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); @@ -896,6 +902,125 @@ void __cpuinit end_local_APIC_setup(void) apic_pm_activate(); } +void check_x2apic(void) +{ + int msr, msr2; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + + if (msr & X2APIC_ENABLE) { + printk("x2apic enabled by BIOS, switching to x2apic ops\n"); + x2apic_preenabled = x2apic = 1; + apic_ops = &x2apic_ops; + } +} + +void enable_x2apic(void) +{ + int msr, msr2; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + if (!(msr & X2APIC_ENABLE)) { + printk("Enabling x2apic\n"); + wrmsr(MSR_IA32_APICBASE, msr | X2APIC_ENABLE, 0); + } +} + +void enable_IR_x2apic(void) +{ +#ifdef CONFIG_INTR_REMAP + int ret; + unsigned long flags; + + if (!cpu_has_x2apic) + return; + + if (!x2apic_preenabled && disable_x2apic) { + printk(KERN_INFO + "Skipped enabling x2apic and Interrupt-remapping " + "because of nox2apic\n"); + return; + } + + if (x2apic_preenabled && disable_x2apic) + panic("Bios already enabled x2apic, can't enforce nox2apic"); + + if (!x2apic_preenabled && skip_ioapic_setup) { + printk(KERN_INFO + "Skipped enabling x2apic and Interrupt-remapping " + "because of skipping io-apic setup\n"); + return; + } + + ret = dmar_table_init(); + if (ret) { + printk(KERN_INFO + "dmar_table_init() failed with %d:\n", ret); + + if (x2apic_preenabled) + panic("x2apic enabled by bios. But IR enabling failed"); + else + printk(KERN_INFO + "Not enabling x2apic,Intr-remapping\n"); + return; + } + + local_irq_save(flags); + mask_8259A(); + save_mask_IO_APIC_setup(); + + ret = enable_intr_remapping(1); + + if (ret && x2apic_preenabled) { + local_irq_restore(flags); + panic("x2apic enabled by bios. But IR enabling failed"); + } + + if (ret) + goto end; + + if (!x2apic) { + x2apic = 1; + apic_ops = &x2apic_ops; + enable_x2apic(); + } +end: + if (ret) + /* + * IR enabling failed + */ + restore_IO_APIC_setup(); + else + reinit_intr_remapped_IO_APIC(x2apic_preenabled); + + unmask_8259A(); + local_irq_restore(flags); + + if (!ret) { + if (!x2apic_preenabled) + printk(KERN_INFO + "Enabled x2apic and interrupt-remapping\n"); + else + printk(KERN_INFO + "Enabled Interrupt-remapping\n"); + } else + printk(KERN_ERR + "Failed to enable Interrupt-remapping and x2apic\n"); +#else + if (!cpu_has_x2apic) + return; + + if (x2apic_preenabled) + panic("x2apic enabled prior OS handover," + " enable CONFIG_INTR_REMAP"); + + printk(KERN_INFO "Enable CONFIG_INTR_REMAP for enabling intr-remapping " + " and x2apic\n"); +#endif + + return; +} + /* * Detect and enable local APICs on non-SMP boards. * Original code written by Keir Fraser. @@ -943,6 +1068,11 @@ void __init early_init_lapic_mapping(void) */ void __init init_apic_mappings(void) { + if (x2apic) { + boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + return; + } + /* * If no local APIC can be found then set up a fake all * zeroes page to simulate the local APIC and another @@ -981,6 +1111,9 @@ int __init APIC_init_uniprocessor(void) return -1; } + enable_IR_x2apic(); + setup_apic_routing(); + verify_local_APIC(); connect_bsp_APIC(); @@ -1238,10 +1371,14 @@ static int lapic_resume(struct sys_device *dev) maxlvt = lapic_get_maxlvt(); local_irq_save(flags); - rdmsr(MSR_IA32_APICBASE, l, h); - l &= ~MSR_IA32_APICBASE_BASE; - l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; - wrmsr(MSR_IA32_APICBASE, l, h); + if (!x2apic) { + rdmsr(MSR_IA32_APICBASE, l, h); + l &= ~MSR_IA32_APICBASE_BASE; + l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; + wrmsr(MSR_IA32_APICBASE, l, h); + } else + enable_x2apic(); + apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); apic_write(APIC_ID, apic_pm_state.apic_id); apic_write(APIC_DFR, apic_pm_state.apic_dfr); @@ -1381,6 +1518,15 @@ __cpuinit int apic_is_clustered_box(void) return (clusters > 2); } +static __init int setup_nox2apic(char *str) +{ + disable_x2apic = 1; + clear_cpu_cap(&boot_cpu_data, X86_FEATURE_X2APIC); + return 0; +} +early_param("nox2apic", setup_nox2apic); + + /* * APIC command line parameters */ diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index 36537ab9e56a..e7bf3c2dc5fe 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -606,6 +606,8 @@ void __cpuinit cpu_init(void) barrier(); check_efer(); + if (cpu != 0 && x2apic) + enable_x2apic(); /* * set up and load the per-CPU TSS diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 1029e178cdf7..792e21ba1a81 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 3b25e49380c6..70e1f3e287fb 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -545,7 +545,9 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early) generic_bigsmp_probe(); #endif +#ifdef CONFIG_X86_32 setup_apic_routing(); +#endif if (!num_processors) printk(KERN_ERR "MPTABLE: no processors registered!\n"); return num_processors; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 987b6fde3a99..2e78a143dec3 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -730,6 +730,8 @@ void __init setup_arch(char **cmdline_p) num_physpages = max_pfn; check_efer(); + if (cpu_has_x2apic) + check_x2apic(); /* How many end-of-memory variables you have, grandma! */ /* need this before calling reserve_initrd */ diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index c55263b3df02..0c43e1f2e7d3 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1145,6 +1145,11 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) current_thread_info()->cpu = 0; /* needed? */ set_cpu_sibling_map(0); +#ifdef CONFIG_X86_64 + enable_IR_x2apic(); + setup_apic_routing(); +#endif + if (smp_sanity_check(max_cpus) < 0) { printk(KERN_INFO "SMP disabled\n"); disable_smp(); diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index aa746704a5c9..129752dd2525 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -100,6 +100,11 @@ extern void apic_wait_icr_idle(void); extern u32 safe_apic_wait_icr_idle(void); extern void apic_icr_write(u32 low, u32 id); #else +extern int x2apic, x2apic_preenabled; +extern void check_x2apic(void); +extern void enable_x2apic(void); +extern void enable_IR_x2apic(void); +extern void x2apic_icr_write(u32 low, u32 id); struct apic_ops { u32 (*read)(u32 reg); -- GitLab From 2d9579a124d746a3e0e0ba45e57d80800ee80807 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:16:59 -0700 Subject: [PATCH 0037/6244] x64, x2apic/intr-remap: support for x2apic physical mode support x2apic Physical mode support. By default we will use x2apic cluster mode. x2apic physical mode can be selected using "x2apic_phys" boot parameter. Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 1 + arch/x86/kernel/genapic_64.c | 18 ++++- arch/x86/kernel/genx2apic_phys.c | 122 +++++++++++++++++++++++++++++++ include/asm-x86/genapic_64.h | 1 + 4 files changed, 139 insertions(+), 3 deletions(-) create mode 100644 arch/x86/kernel/genx2apic_phys.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index bde3e9b6fec9..81280e93e792 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -96,6 +96,7 @@ obj-$(CONFIG_OLPC) += olpc.o ifeq ($(CONFIG_X86_64),y) obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o obj-y += genx2apic_cluster.o + obj-y += genx2apic_phys.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o obj-$(CONFIG_AUDIT) += audit_64.o diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 792e21ba1a81..3940d8161f8b 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -30,6 +30,15 @@ DEFINE_PER_CPU(int, x2apic_extra_bits); struct genapic __read_mostly *genapic = &apic_flat; +static int x2apic_phys = 0; + +static int set_x2apic_phys_mode(char *arg) +{ + x2apic_phys = 1; + return 0; +} +early_param("x2apic_phys", set_x2apic_phys_mode); + static enum uv_system_type uv_system_type; /* @@ -39,9 +48,12 @@ void __init setup_apic_routing(void) { if (uv_system_type == UV_NON_UNIQUE_APIC) genapic = &apic_x2apic_uv_x; - else if (cpu_has_x2apic && intr_remapping_enabled) - genapic = &apic_x2apic_cluster; - else + else if (cpu_has_x2apic && intr_remapping_enabled) { + if (x2apic_phys) + genapic = &apic_x2apic_phys; + else + genapic = &apic_x2apic_cluster; + } else #ifdef CONFIG_ACPI /* * Quirk: some x86_64 machines can only use physical APIC mode diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c new file mode 100644 index 000000000000..3c70b9d692b2 --- /dev/null +++ b/arch/x86/kernel/genx2apic_phys.c @@ -0,0 +1,122 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +/* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ + +static cpumask_t x2apic_target_cpus(void) +{ + return cpumask_of_cpu(0); +} + +static cpumask_t x2apic_vector_allocation_domain(int cpu) +{ + cpumask_t domain = CPU_MASK_NONE; + cpu_set(cpu, domain); + return domain; +} + +static void __x2apic_send_IPI_dest(unsigned int apicid, int vector, + unsigned int dest) +{ + unsigned long cfg; + + cfg = __prepare_ICR(0, vector, dest); + + /* + * send the IPI. + */ + x2apic_icr_write(cfg, apicid); +} + +static void x2apic_send_IPI_mask(cpumask_t mask, int vector) +{ + unsigned long flags; + unsigned long query_cpu; + + local_irq_save(flags); + for_each_cpu_mask(query_cpu, mask) { + __x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu), + vector, APIC_DEST_PHYSICAL); + } + local_irq_restore(flags); +} + +static void x2apic_send_IPI_allbutself(int vector) +{ + cpumask_t mask = cpu_online_map; + + cpu_clear(smp_processor_id(), mask); + + if (!cpus_empty(mask)) + x2apic_send_IPI_mask(mask, vector); +} + +static void x2apic_send_IPI_all(int vector) +{ + x2apic_send_IPI_mask(cpu_online_map, vector); +} + +static int x2apic_apic_id_registered(void) +{ + return 1; +} + +static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask) +{ + int cpu; + + /* + * We're using fixed IRQ delivery, can only return one phys APIC ID. + * May as well be the first. + */ + cpu = first_cpu(cpumask); + if ((unsigned)cpu < NR_CPUS) + return per_cpu(x86_cpu_to_apicid, cpu); + else + return BAD_APICID; +} + +static unsigned int x2apic_read_id(void) +{ + return apic_read(APIC_ID); +} + +static unsigned int phys_pkg_id(int index_msb) +{ + return x2apic_read_id() >> index_msb; +} + +void x2apic_send_IPI_self(int vector) +{ + apic_write(APIC_SELF_IPI, vector); +} + +void init_x2apic_ldr(void) +{ + return; +} + +struct genapic apic_x2apic_phys = { + .name = "physical x2apic", + .int_delivery_mode = dest_Fixed, + .int_dest_mode = (APIC_DEST_PHYSICAL != 0), + .target_cpus = x2apic_target_cpus, + .vector_allocation_domain = x2apic_vector_allocation_domain, + .apic_id_registered = x2apic_apic_id_registered, + .init_apic_ldr = init_x2apic_ldr, + .send_IPI_all = x2apic_send_IPI_all, + .send_IPI_allbutself = x2apic_send_IPI_allbutself, + .send_IPI_mask = x2apic_send_IPI_mask, + .send_IPI_self = x2apic_send_IPI_self, + .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, + .phys_pkg_id = phys_pkg_id, + .read_apic_id = x2apic_read_id, +}; diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 232460305877..122b9242a40f 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -36,6 +36,7 @@ extern struct genapic *genapic; extern struct genapic apic_flat; extern struct genapic apic_physflat; extern struct genapic apic_x2apic_cluster; +extern struct genapic apic_x2apic_phys; extern int acpi_madt_oem_check(char *, char *); extern void apic_send_IPI_self(int vector); -- GitLab From 9fa8c481b55e80edd8c637573f87853bb6b600f5 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 11:17:00 -0700 Subject: [PATCH 0038/6244] x64, x2apic/intr-remap: introduce CONFIG_INTR_REMAP Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2cfccc987a26..0bf8391a7f2d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1651,6 +1651,14 @@ config DMAR_FLOPPY_WA workaround will setup a 1:1 mapping for the first 16M to make floppy (an ISA device) work. +config INTR_REMAP + bool "Support for Interrupt Remapping (EXPERIMENTAL)" + depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL + help + Supports Interrupt remapping for IO-APIC and MSI devices. + To use x2apic mode in the CPU's which support x2APIC enhancements or + to support platforms with CPU's having > 8 bit APIC ID, say Y. + source "drivers/pci/pcie/Kconfig" source "drivers/pci/Kconfig" -- GitLab From 372e92d8b3e433888bf76c36f1c7e1405eae1584 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Thu, 10 Jul 2008 14:56:18 -0700 Subject: [PATCH 0039/6244] x64, x2apic/intr-remap: Interrupt-remapping and x2apic support On Thu, Jul 10, 2008 at 12:53:20PM -0700, Ingo Molnar wrote: > > Btw., i threw it at the -tip test-cluster and got back a quick build > bugreport: > > arch/x86/xen/enlighten.c: In function 'xen_patch': > arch/x86/xen/enlighten.c:1084: warning: label 'patch_site' defined but not used > arch/x86/xen/enlighten.c: At top level: > arch/x86/xen/enlighten.c:1272: error: expected identifier before '(' token > arch/x86/xen/enlighten.c:1273: error: expected '}' before '.' token > arch/x86/kernel/paravirt.c:376:2: error: invalid preprocessing directive > #ifndedarch/x86/kernel/paravirt.c:384:2: error: #endif without #if > > with this config: > > http://redhat.com/~mingo/misc/config-Thu_Jul_10_21_43_28_CEST_2008.bad fix the typo. Signed-off-by: Suresh Siddha Cc: "Siddha Cc: Suresh B" Cc: "akpm@linux-foundation.org" Cc: "arjan@linux.intel.com" Cc: "andi@firstfloor.org" Cc: "ebiederm@xmission.com" Cc: "jbarnes@virtuousgeek.org" Cc: "steiner@sgi.com" Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/paravirt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index b80105a0f474..4f29ff847ebe 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -360,7 +360,7 @@ struct pv_cpu_ops pv_cpu_ops = { struct pv_apic_ops pv_apic_ops = { #ifdef CONFIG_X86_LOCAL_APIC -#ifnded CONFIG_X86_64 +#ifndef CONFIG_X86_64 .apic_write = native_apic_mem_write, .apic_write_atomic = native_apic_mem_write_atomic, .apic_read = native_apic_mem_read, -- GitLab From 277d1f5846d84e16760131a93b7a67ebfa8eded4 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 11 Jul 2008 13:11:55 -0700 Subject: [PATCH 0040/6244] x2apic: uninline uv_init_apic_ldr() Andrew says: > There's no point in declaring it inline if it's always called indirectly. And point taken! Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index dcd4fb219daa..c915f750241e 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -120,7 +120,7 @@ static int uv_apic_id_registered(void) return 1; } -static inline void uv_init_apic_ldr(void) +static void uv_init_apic_ldr(void) { } -- GitLab From ad66dd340f561bdde2285992314d9e4fd9b6191e Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 11 Jul 2008 13:11:56 -0700 Subject: [PATCH 0041/6244] x2apic: xen64 paravirt basic apic ops Define the Xen specific basic apic ops, in additon to paravirt apic ops, with some misc warning fixes. Signed-off-by: Suresh Siddha Cc: Jeremy Fitzhardinge Cc: akpm@linux-foundation.org Signed-off-by: Ingo Molnar --- arch/x86/lguest/boot.c | 4 ++-- arch/x86/xen/enlighten.c | 41 ++++++++++++++++++++++++++++++++++++-- include/asm-x86/paravirt.h | 14 +++++++------ 3 files changed, 49 insertions(+), 10 deletions(-) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 50dad44fb542..0c45df20e2b3 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -783,11 +783,11 @@ static void lguest_wbinvd(void) * code qualifies for Advanced. It will also never interrupt anything. It * does, however, allow us to get through the Linux boot code. */ #ifdef CONFIG_X86_LOCAL_APIC -static void lguest_apic_write(unsigned long reg, u32 v) +static void lguest_apic_write(u32 reg, u32 v) { } -static u32 lguest_apic_read(unsigned long reg) +static u32 lguest_apic_read(u32 reg) { return 0; } diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index dcd4e51f2f16..54e255667530 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -548,16 +548,45 @@ static void xen_io_delay(void) } #ifdef CONFIG_X86_LOCAL_APIC -static u32 xen_apic_read(unsigned long reg) +static u32 xen_apic_read(u32 reg) { return 0; } -static void xen_apic_write(unsigned long reg, u32 val) +static void xen_apic_write(u32 reg, u32 val) { /* Warn to see if there's any stray references */ WARN_ON(1); } + +#ifdef CONFIG_X86_64 +static u64 xen_apic_icr_read(void) +{ + return 0; +} + +static void xen_apic_icr_write(u32 low, u32 id) +{ + /* Warn to see if there's any stray references */ + WARN_ON(1); +} + +static void xen_apic_wait_icr_idle(void) +{ + return; +} + +static struct apic_ops xen_basic_apic_ops = { + .read = xen_apic_read, + .write = xen_apic_write, + .write_atomic = xen_apic_write, + .icr_read = xen_apic_icr_read, + .icr_write = xen_apic_icr_write, + .wait_icr_idle = xen_apic_wait_icr_idle, + .safe_wait_icr_idle = xen_apic_wait_icr_idle, +}; +#endif + #endif static void xen_flush_tlb(void) @@ -1130,9 +1159,11 @@ static const struct pv_irq_ops xen_irq_ops __initdata = { static const struct pv_apic_ops xen_apic_ops __initdata = { #ifdef CONFIG_X86_LOCAL_APIC +#ifndef CONFIG_X86_64 .apic_write = xen_apic_write, .apic_write_atomic = xen_apic_write, .apic_read = xen_apic_read, +#endif .setup_boot_clock = paravirt_nop, .setup_secondary_clock = paravirt_nop, .startup_ipi_hook = paravirt_nop, @@ -1291,6 +1322,12 @@ asmlinkage void __init xen_start_kernel(void) pv_irq_ops = xen_irq_ops; pv_apic_ops = xen_apic_ops; pv_mmu_ops = xen_mmu_ops; +#ifdef CONFIG_X86_64 + /* + * for 64bit, set up the basic apic ops aswell. + */ + apic_ops = &xen_basic_apic_ops; +#endif if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) { pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start; diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index 10adac02e6db..5e34d26aa3b5 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -200,13 +200,15 @@ struct pv_irq_ops { struct pv_apic_ops { #ifdef CONFIG_X86_LOCAL_APIC +#ifndef CONFIG_X86_64 /* * Direct APIC operations, principally for VMI. Ideally * these shouldn't be in this interface. */ - void (*apic_write)(unsigned long reg, u32 v); - void (*apic_write_atomic)(unsigned long reg, u32 v); - u32 (*apic_read)(unsigned long reg); + void (*apic_write)(u32 reg, u32 v); + void (*apic_write_atomic)(u32 reg, u32 v); + u32 (*apic_read)(u32 reg); +#endif void (*setup_boot_clock)(void); void (*setup_secondary_clock)(void); @@ -892,17 +894,17 @@ static inline void slow_down_io(void) * Basic functions accessing APICs. */ #ifndef CONFIG_X86_64 -static inline void apic_write(unsigned long reg, u32 v) +static inline void apic_write(u32 reg, u32 v) { PVOP_VCALL2(pv_apic_ops.apic_write, reg, v); } -static inline void apic_write_atomic(unsigned long reg, u32 v) +static inline void apic_write_atomic(u32 reg, u32 v) { PVOP_VCALL2(pv_apic_ops.apic_write_atomic, reg, v); } -static inline u32 apic_read(unsigned long reg) +static inline u32 apic_read(u32 reg) { return PVOP_CALL1(unsigned long, pv_apic_ops.apic_read, reg); } -- GitLab From af9d13887f9e3699bbc852c39b076d30bb9dff2f Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 11 Jul 2008 13:11:57 -0700 Subject: [PATCH 0042/6244] x2apic: kernel-parameter documentation for "x2apic_phys" Signed-off-by: Suresh Siddha Cc: akpm@linux-foundation.org Signed-off-by: Ingo Molnar --- Documentation/kernel-parameters.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 56689ef1a159..88b08acf2ff2 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1379,6 +1379,10 @@ and is between 256 and 4096 characters. It is defined in the file nox2apic [X86-64,APIC] Do not enable x2APIC mode. + x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of + default x2apic cluster mode on platforms + supporting x2apic. + noltlbs [PPC] Do not use large page/tlb entries for kernel lowmem mapping on PPC40x. -- GitLab From c535b6a1a685eb23f96e2c221777d6c1e05080d5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 11 Jul 2008 18:41:54 -0700 Subject: [PATCH 0043/6244] x86: let 32bit use apic_ops too Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 39 +++++++++++++++++++++++++++++++-------- include/asm-x86/apic.h | 13 ++----------- 2 files changed, 33 insertions(+), 19 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 2a83c07bd887..7413354c9ffd 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -145,19 +145,13 @@ static int modern_apic(void) return lapic_get_version() >= 0x14; } -void apic_icr_write(u32 low, u32 id) -{ - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(id)); - apic_write_around(APIC_ICR, low); -} - -void apic_wait_icr_idle(void) +void xapic_wait_icr_idle(void) { while (apic_read(APIC_ICR) & APIC_ICR_BUSY) cpu_relax(); } -u32 safe_apic_wait_icr_idle(void) +u32 safe_xapic_wait_icr_idle(void) { u32 send_status; int timeout; @@ -173,6 +167,35 @@ u32 safe_apic_wait_icr_idle(void) return send_status; } +void xapic_icr_write(u32 low, u32 id) +{ + apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(id)); + apic_write_around(APIC_ICR, low); +} + +u64 xapic_icr_read(void) +{ + u32 icr1, icr2; + + icr2 = apic_read(APIC_ICR2); + icr1 = apic_read(APIC_ICR); + + return icr1 | ((u64)icr2 << 32); +} + +static struct apic_ops xapic_ops = { + .read = native_apic_mem_read, + .write = native_apic_mem_write, + .write_atomic = native_apic_mem_write_atomic, + .icr_read = xapic_icr_read, + .icr_write = xapic_icr_write, + .wait_icr_idle = xapic_wait_icr_idle, + .safe_wait_icr_idle = safe_xapic_wait_icr_idle, +}; + +struct apic_ops __read_mostly *apic_ops = &xapic_ops; +EXPORT_SYMBOL_GPL(apic_ops); + /** * enable_NMI_through_LVT0 - enable NMI through local vector table 0 */ diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 129752dd2525..fcd2f01277b6 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -49,11 +49,6 @@ extern int disable_apic; #ifdef CONFIG_PARAVIRT #include #else -#ifndef CONFIG_X86_64 -#define apic_write native_apic_mem_write -#define apic_write_atomic native_apic_mem_write_atomic -#define apic_read native_apic_mem_read -#endif #define setup_boot_clock setup_boot_APIC_clock #define setup_secondary_clock setup_secondary_APIC_clock #endif @@ -95,16 +90,13 @@ static inline u32 native_apic_msr_read(u32 reg) return low; } -#ifdef CONFIG_X86_32 -extern void apic_wait_icr_idle(void); -extern u32 safe_apic_wait_icr_idle(void); -extern void apic_icr_write(u32 low, u32 id); -#else +#ifndef CONFIG_X86_32 extern int x2apic, x2apic_preenabled; extern void check_x2apic(void); extern void enable_x2apic(void); extern void enable_IR_x2apic(void); extern void x2apic_icr_write(u32 low, u32 id); +#endif struct apic_ops { u32 (*read)(u32 reg); @@ -125,7 +117,6 @@ extern struct apic_ops *apic_ops; #define apic_icr_write (apic_ops->icr_write) #define apic_wait_icr_idle (apic_ops->wait_icr_idle) #define safe_apic_wait_icr_idle (apic_ops->safe_wait_icr_idle) -#endif extern int get_physical_broadcast(void); -- GitLab From 4696ca5bfd2697f5686f96d59cf0b6de14869b4e Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 11 Jul 2008 18:43:10 -0700 Subject: [PATCH 0044/6244] x86: mach_apicdef.h need to include before smp.h smp.h internal has include, so need to include that at first when genericarch use them need to have different apicdef.h Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/mach-generic/bigsmp.c | 5 ++--- arch/x86/mach-generic/es7000.c | 3 +-- arch/x86/mach-generic/numaq.c | 4 ++-- arch/x86/mach-generic/summit.c | 5 ++--- 4 files changed, 7 insertions(+), 10 deletions(-) diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c index 59d771714559..b31f2800638e 100644 --- a/arch/x86/mach-generic/bigsmp.c +++ b/arch/x86/mach-generic/bigsmp.c @@ -5,17 +5,16 @@ #define APIC_DEFINITION 1 #include #include -#include #include #include #include #include #include -#include #include #include -#include #include +#include +#include #include #include diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c index 4742626f08c4..9b30547d746e 100644 --- a/arch/x86/mach-generic/es7000.c +++ b/arch/x86/mach-generic/es7000.c @@ -4,16 +4,15 @@ #define APIC_DEFINITION 1 #include #include -#include #include #include #include #include #include #include -#include #include #include +#include #include #include #include diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c index 8091e68764c4..95c07efff6b7 100644 --- a/arch/x86/mach-generic/numaq.c +++ b/arch/x86/mach-generic/numaq.c @@ -4,7 +4,6 @@ #define APIC_DEFINITION 1 #include #include -#include #include #include #include @@ -12,8 +11,9 @@ #include #include #include -#include #include +#include +#include #include #include #include diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c index a97ea0f35b1e..752edd96b1bf 100644 --- a/arch/x86/mach-generic/summit.c +++ b/arch/x86/mach-generic/summit.c @@ -4,17 +4,16 @@ #define APIC_DEFINITION 1 #include #include -#include #include #include #include #include #include #include -#include #include -#include #include +#include +#include #include #include -- GitLab From 4c9961d56ec20c27ec5d02e49fd7427748312741 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 11 Jul 2008 18:44:16 -0700 Subject: [PATCH 0045/6244] x86: make read_apic_id return final apicid also remove GET_APIC_ID when read_apic_id is used. need to apply after [PATCH] x86: mach_apicdef.h need to include before smp.h Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/acpi/boot.c | 2 +- arch/x86/kernel/apic_32.c | 4 ++-- arch/x86/kernel/apic_64.c | 6 +++--- arch/x86/kernel/genapic_flat_64.c | 2 +- arch/x86/kernel/io_apic_32.c | 5 ++--- arch/x86/kernel/io_apic_64.c | 4 ++-- arch/x86/kernel/smpboot.c | 6 +++--- include/asm-x86/mach-default/mach_apic.h | 2 +- include/asm-x86/mach-default/mach_apicdef.h | 3 +-- include/asm-x86/mach-es7000/mach_apic.h | 2 +- include/asm-x86/smp.h | 11 ++++++++--- 11 files changed, 25 insertions(+), 22 deletions(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 8705262ddcda..b314bcd08406 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -761,7 +761,7 @@ static void __init acpi_register_lapic_address(unsigned long address) set_fixmap_nocache(FIX_APIC_BASE, address); if (boot_cpu_physical_apicid == -1U) { - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); #ifdef CONFIG_X86_32 apic_version[boot_cpu_physical_apicid] = GET_APIC_VERSION(apic_read(APIC_LVR)); diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 7413354c9ffd..47ff978aecfd 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1230,7 +1230,7 @@ void __init init_apic_mappings(void) * default configuration (or the MP table is broken). */ if (boot_cpu_physical_apicid == -1U) - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); } @@ -1270,7 +1270,7 @@ int __init APIC_init_uniprocessor(void) * might be zero if read from MP tables. Get it from LAPIC. */ #ifdef CONFIG_CRASH_DUMP - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); #endif physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index dd0501039f09..c75f58a66d8e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1060,7 +1060,7 @@ void __init early_init_lapic_mapping(void) * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken). */ - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); } /** @@ -1069,7 +1069,7 @@ void __init early_init_lapic_mapping(void) void __init init_apic_mappings(void) { if (x2apic) { - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); return; } @@ -1092,7 +1092,7 @@ void __init init_apic_mappings(void) * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken). */ - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); } /* diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 735586822135..7dac2f275fad 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -101,7 +101,7 @@ static unsigned int read_xapic_id(void) { unsigned int id; - id = GET_XAPIC_ID(apic_read(APIC_ID)); + id = GET_APIC_ID(apic_read(APIC_ID)); return id; } diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index c50adb84ea6f..382208d11f8d 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1501,7 +1501,7 @@ void /*__init*/ print_local_APIC(void *dummy) smp_processor_id(), hard_smp_processor_id()); v = apic_read(APIC_ID); printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, - GET_APIC_ID(read_apic_id())); + GET_APIC_ID(v)); v = apic_read(APIC_LVR); printk(KERN_INFO "... APIC VERSION: %08x\n", v); ver = GET_APIC_VERSION(v); @@ -1709,8 +1709,7 @@ void disable_IO_APIC(void) entry.dest_mode = 0; /* Physical */ entry.delivery_mode = dest_ExtINT; /* ExtInt */ entry.vector = 0; - entry.dest.physical.physical_dest = - GET_APIC_ID(read_apic_id()); + entry.dest.physical.physical_dest = read_apic_id(); /* * Add it to the IO-APIC irq-routing table: diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 877aa2e9d7e8..2db0f98e2af5 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1246,7 +1246,7 @@ void __apicdebuginit print_local_APIC(void * dummy) printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n", smp_processor_id(), hard_smp_processor_id()); v = apic_read(APIC_ID); - printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, GET_APIC_ID(read_apic_id())); + printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, read_apic_id()); v = apic_read(APIC_LVR); printk(KERN_INFO "... APIC VERSION: %08x\n", v); ver = GET_APIC_VERSION(v); @@ -1439,7 +1439,7 @@ void disable_IO_APIC(void) entry.dest_mode = 0; /* Physical */ entry.delivery_mode = dest_ExtINT; /* ExtInt */ entry.vector = 0; - entry.dest = GET_APIC_ID(read_apic_id()); + entry.dest = read_apic_id(); /* * Add it to the IO-APIC irq-routing table: diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 0c43e1f2e7d3..6cd002f3e20e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -211,7 +211,7 @@ static void __cpuinit smp_callin(void) /* * (This works even if the APIC is not enabled.) */ - phys_id = GET_APIC_ID(read_apic_id()); + phys_id = read_apic_id(); cpuid = smp_processor_id(); if (cpu_isset(cpuid, cpu_callin_map)) { panic("%s: phys CPU#%d, CPU#%d already present??\n", __func__, @@ -1157,9 +1157,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) } preempt_disable(); - if (GET_APIC_ID(read_apic_id()) != boot_cpu_physical_apicid) { + if (read_apic_id() != boot_cpu_physical_apicid) { panic("Boot APIC ID in local APIC unexpected (%d vs %d)", - GET_APIC_ID(read_apic_id()), boot_cpu_physical_apicid); + read_apic_id(), boot_cpu_physical_apicid); /* Or can we switch back to PIC here? */ } preempt_enable(); diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index e06d23975d6a..925b797e2a26 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -56,7 +56,7 @@ static inline void init_apic_ldr(void) static inline int apic_id_registered(void) { - return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map); + return physid_isset(read_apic_id(), phys_cpu_present_map); } static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h index 453b58a67e29..3e1be6c99b35 100644 --- a/include/asm-x86/mach-default/mach_apicdef.h +++ b/include/asm-x86/mach-default/mach_apicdef.h @@ -5,9 +5,8 @@ #ifdef CONFIG_X86_64 #define APIC_ID_MASK (0xFFu<<24) -#define GET_APIC_ID(x) (x) +#define GET_APIC_ID(x) (((x)>>24) & 0xFFu) #define SET_APIC_ID(x) (((x)<<24)) -#define GET_XAPIC_ID(x) (((x) >> 24) & 0xFFu) #else #define APIC_ID_MASK (0xF<<24) static inline unsigned get_apic_id(unsigned long x) diff --git a/include/asm-x86/mach-es7000/mach_apic.h b/include/asm-x86/mach-es7000/mach_apic.h index fbc8ad256f5a..b3556ec3bca5 100644 --- a/include/asm-x86/mach-es7000/mach_apic.h +++ b/include/asm-x86/mach-es7000/mach_apic.h @@ -141,7 +141,7 @@ static inline void setup_portio_remap(void) extern unsigned int boot_cpu_physical_apicid; static inline int check_phys_apicid_present(int cpu_physical_apicid) { - boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id()); + boot_cpu_physical_apicid = read_apic_id(); return (1); } diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index d9d007d22785..3b43ca202c3b 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -165,9 +165,14 @@ static inline int logical_smp_processor_id(void) return GET_APIC_LOGICAL_ID(*(u32 *)(APIC_BASE + APIC_LDR)); } +#include static inline unsigned int read_apic_id(void) { - return *(u32 *)(APIC_BASE + APIC_ID); + unsigned int reg; + + reg = *(u32 *)(APIC_BASE + APIC_ID); + + return GET_APIC_ID(reg); } #endif @@ -175,11 +180,11 @@ static inline unsigned int read_apic_id(void) # if defined(APIC_DEFINITION) || defined(CONFIG_X86_64) extern int hard_smp_processor_id(void); # else -# include +#include static inline int hard_smp_processor_id(void) { /* we don't want to mark this access volatile - bad code generation */ - return GET_APIC_ID(read_apic_id()); + return read_apic_id(); } # endif /* APIC_DEFINITION */ -- GitLab From f910a9dc7c865896815e2a95fe33363e9522f277 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 12 Jul 2008 01:01:20 -0700 Subject: [PATCH 0046/6244] x86: make 64bit have get_apic_id generalize the x2apic code some more. let read_apic_id become a macro (later on a function/inline) GET_APIC_ID(apic_read(APIC_ID)) +#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID))) instead of this weird construct: -#define read_apic_id (genapic->read_apic_id) Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/genapic_flat_64.c | 26 ++++++++++++++++++--- arch/x86/kernel/genx2apic_cluster.c | 20 +++++++++++++++- arch/x86/kernel/genx2apic_phys.c | 20 +++++++++++++++- arch/x86/kernel/genx2apic_uv_x.c | 23 +++++++++++++++--- include/asm-x86/genapic_64.h | 4 +++- include/asm-x86/mach-default/mach_apic.h | 2 +- include/asm-x86/mach-default/mach_apicdef.h | 6 ++--- 7 files changed, 88 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 7dac2f275fad..2c973cbf054f 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -97,11 +97,27 @@ static void flat_send_IPI_all(int vector) __send_IPI_shortcut(APIC_DEST_ALLINC, vector, APIC_DEST_LOGICAL); } +static unsigned int get_apic_id(unsigned long x) +{ + unsigned int id; + + id = (((x)>>24) & 0xFFu); + return id; +} + +static unsigned long set_apic_id(unsigned int id) +{ + unsigned long x; + + x = ((id & 0xFFu)<<24); + return x; +} + static unsigned int read_xapic_id(void) { unsigned int id; - id = GET_APIC_ID(apic_read(APIC_ID)); + id = get_apic_id(apic_read(APIC_ID)); return id; } @@ -134,7 +150,9 @@ struct genapic apic_flat = { .send_IPI_self = apic_send_IPI_self, .cpu_mask_to_apicid = flat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, - .read_apic_id = read_xapic_id, + .get_apic_id = get_apic_id, + .set_apic_id = set_apic_id, + .apic_id_mask = (0xFFu<<24), }; /* @@ -200,5 +218,7 @@ struct genapic apic_physflat = { .send_IPI_self = apic_send_IPI_self, .cpu_mask_to_apicid = physflat_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, - .read_apic_id = read_xapic_id, + .get_apic_id = get_apic_id, + .set_apic_id = set_apic_id, + .apic_id_mask = (0xFFu<<24), }; diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c index ed0fdede800a..40bc0140d89f 100644 --- a/arch/x86/kernel/genx2apic_cluster.c +++ b/arch/x86/kernel/genx2apic_cluster.c @@ -94,6 +94,22 @@ static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask) return BAD_APICID; } +static unsigned int get_apic_id(unsigned long x) +{ + unsigned int id; + + id = x; + return id; +} + +static unsigned long set_apic_id(unsigned int id) +{ + unsigned long x; + + x = id; + return x; +} + static unsigned int x2apic_read_id(void) { return apic_read(APIC_ID); @@ -131,5 +147,7 @@ struct genapic apic_x2apic_cluster = { .send_IPI_self = x2apic_send_IPI_self, .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, - .read_apic_id = x2apic_read_id, + .get_apic_id = get_apic_id, + .set_apic_id = set_apic_id, + .apic_id_mask = (0xFFFFFFFFu), }; diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c index 3c70b9d692b2..2f3c6ca19de9 100644 --- a/arch/x86/kernel/genx2apic_phys.c +++ b/arch/x86/kernel/genx2apic_phys.c @@ -84,6 +84,22 @@ static unsigned int x2apic_cpu_mask_to_apicid(cpumask_t cpumask) return BAD_APICID; } +static unsigned int get_apic_id(unsigned long x) +{ + unsigned int id; + + id = x; + return id; +} + +static unsigned long set_apic_id(unsigned int id) +{ + unsigned long x; + + x = id; + return x; +} + static unsigned int x2apic_read_id(void) { return apic_read(APIC_ID); @@ -118,5 +134,7 @@ struct genapic apic_x2apic_phys = { .send_IPI_self = x2apic_send_IPI_self, .cpu_mask_to_apicid = x2apic_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, - .read_apic_id = x2apic_read_id, + .get_apic_id = get_apic_id, + .set_apic_id = set_apic_id, + .apic_id_mask = (0xFFFFFFFFu), }; diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index c915f750241e..3ca29cd8c23c 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -139,16 +139,31 @@ static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask) return BAD_APICID; } -static unsigned int uv_read_apic_id(void) +static unsigned int get_apic_id(unsigned long x) { unsigned int id; WARN_ON(preemptible() && num_online_cpus() > 1); - id = apic_read(APIC_ID) | __get_cpu_var(x2apic_extra_bits); + id = x | __get_cpu_var(x2apic_extra_bits); return id; } +static long set_apic_id(unsigned int id) +{ + unsigned long x; + + /* maskout x2apic_extra_bits ? */ + x = id; + return x; +} + +static unsigned int uv_read_apic_id(void) +{ + + return get_apic_id(apic_read(APIC_ID)); +} + static unsigned int phys_pkg_id(int index_msb) { return uv_read_apic_id() >> index_msb; @@ -175,7 +190,9 @@ struct genapic apic_x2apic_uv_x = { /* ZZZ.send_IPI_self = uv_send_IPI_self, */ .cpu_mask_to_apicid = uv_cpu_mask_to_apicid, .phys_pkg_id = phys_pkg_id, /* Fixme ZZZ */ - .read_apic_id = uv_read_apic_id, + .get_apic_id = get_apic_id, + .set_apic_id = set_apic_id, + .apic_id_mask = (0xFFFFFFFFu), }; static __cpuinit void set_x2apic_extra_bits(int pnode) diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 122b9242a40f..8ff2589da93b 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -28,7 +28,9 @@ struct genapic { /* */ unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); unsigned int (*phys_pkg_id)(int index_msb); - unsigned int (*read_apic_id)(void); + unsigned int (*get_apic_id)(unsigned long x); + unsigned long (*set_apic_id)(unsigned int id); + unsigned long apic_id_mask; }; extern struct genapic *genapic; diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index 925b797e2a26..3d2b455581ec 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -30,7 +30,7 @@ static inline cpumask_t target_cpus(void) #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) #define phys_pkg_id (genapic->phys_pkg_id) #define vector_allocation_domain (genapic->vector_allocation_domain) -#define read_apic_id (genapic->read_apic_id) +#define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID))) #define send_IPI_self (genapic->send_IPI_self) extern void setup_apic_routing(void); #else diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h index 3e1be6c99b35..a55518aa5a2d 100644 --- a/include/asm-x86/mach-default/mach_apicdef.h +++ b/include/asm-x86/mach-default/mach_apicdef.h @@ -4,9 +4,9 @@ #include #ifdef CONFIG_X86_64 -#define APIC_ID_MASK (0xFFu<<24) -#define GET_APIC_ID(x) (((x)>>24) & 0xFFu) -#define SET_APIC_ID(x) (((x)<<24)) +#define APIC_ID_MASK (genapic->apic_id_mask) +#define GET_APIC_ID(x) (genapic->get_apic_id(x)) +#define SET_APIC_ID(x) (genapic->set_apic_id(x)) #else #define APIC_ID_MASK (0xF<<24) static inline unsigned get_apic_id(unsigned long x) -- GitLab From 404571525db92bafeddb0cf9febb21aac6613dca Mon Sep 17 00:00:00 2001 From: Jesper Nilsson Date: Mon, 14 Jul 2008 08:59:48 +0200 Subject: [PATCH 0047/6244] [CRIS] Rename boot-linkscripts and fix the path to them. This makes the CRIS-port directories follow the same naming convention as the rest of the kernel. Signed-off-by: Jesper Nilsson --- arch/cris/arch-v10/boot/compressed/Makefile | 2 +- .../arch-v10/boot/compressed/{decompress.ld => decompress.lds} | 0 arch/cris/arch-v10/boot/rescue/Makefile | 2 +- arch/cris/arch-v10/boot/rescue/{rescue.ld => rescue.lds} | 0 arch/cris/arch-v32/boot/compressed/Makefile | 2 +- .../arch-v32/boot/compressed/{decompress.ld => decompress.lds} | 0 arch/cris/arch-v32/boot/rescue/Makefile | 2 +- arch/cris/arch-v32/boot/rescue/{rescue.ld => rescue.lds} | 0 8 files changed, 4 insertions(+), 4 deletions(-) rename arch/cris/arch-v10/boot/compressed/{decompress.ld => decompress.lds} (100%) rename arch/cris/arch-v10/boot/rescue/{rescue.ld => rescue.lds} (100%) rename arch/cris/arch-v32/boot/compressed/{decompress.ld => decompress.lds} (100%) rename arch/cris/arch-v32/boot/rescue/{rescue.ld => rescue.lds} (100%) diff --git a/arch/cris/arch-v10/boot/compressed/Makefile b/arch/cris/arch-v10/boot/compressed/Makefile index 08d943ce4be7..6fe0ffaf3be6 100644 --- a/arch/cris/arch-v10/boot/compressed/Makefile +++ b/arch/cris/arch-v10/boot/compressed/Makefile @@ -4,7 +4,7 @@ asflags-y += $(LINUXINCLUDE) ccflags-y += -O2 $(LINUXINCLUDE) -ldflags-y += -T $(srctree)/$(obj)/decompress.ld +ldflags-y += -T $(srctree)/$(src)/decompress.lds OBJECTS = $(obj)/head.o $(obj)/misc.o OBJCOPYFLAGS = -O binary --remove-section=.bss diff --git a/arch/cris/arch-v10/boot/compressed/decompress.ld b/arch/cris/arch-v10/boot/compressed/decompress.lds similarity index 100% rename from arch/cris/arch-v10/boot/compressed/decompress.ld rename to arch/cris/arch-v10/boot/compressed/decompress.lds diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile index 07688da92708..82ab59b968e5 100644 --- a/arch/cris/arch-v10/boot/rescue/Makefile +++ b/arch/cris/arch-v10/boot/rescue/Makefile @@ -4,7 +4,7 @@ ccflags-y += -O2 $(LINUXINCLUDE) asflags-y += $(LINUXINCLUDE) -ldflags-y += -T $(srctree)/$(obj)/rescue.ld +ldflags-y += -T $(srctree)/$(src)/rescue.lds OBJCOPYFLAGS = -O binary --remove-section=.bss obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o OBJECT := $(obj)/head.o diff --git a/arch/cris/arch-v10/boot/rescue/rescue.ld b/arch/cris/arch-v10/boot/rescue/rescue.lds similarity index 100% rename from arch/cris/arch-v10/boot/rescue/rescue.ld rename to arch/cris/arch-v10/boot/rescue/rescue.lds diff --git a/arch/cris/arch-v32/boot/compressed/Makefile b/arch/cris/arch-v32/boot/compressed/Makefile index d6335f26083b..5a1b31c99eaa 100644 --- a/arch/cris/arch-v32/boot/compressed/Makefile +++ b/arch/cris/arch-v32/boot/compressed/Makefile @@ -4,7 +4,7 @@ asflags-y += -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch ccflags-y += -O2 -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch -ldflags-y += -T $(srctree)/$(obj)/decompress.ld +ldflags-y += -T $(srctree)/$(src)/decompress.lds OBJECTS = $(obj)/head.o $(obj)/misc.o OBJCOPYFLAGS = -O binary --remove-section=.bss diff --git a/arch/cris/arch-v32/boot/compressed/decompress.ld b/arch/cris/arch-v32/boot/compressed/decompress.lds similarity index 100% rename from arch/cris/arch-v32/boot/compressed/decompress.ld rename to arch/cris/arch-v32/boot/compressed/decompress.lds diff --git a/arch/cris/arch-v32/boot/rescue/Makefile b/arch/cris/arch-v32/boot/rescue/Makefile index 44ae0ad61f90..566aac663a38 100644 --- a/arch/cris/arch-v32/boot/rescue/Makefile +++ b/arch/cris/arch-v32/boot/rescue/Makefile @@ -7,7 +7,7 @@ ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \ -I $(srctree)/include/asm/arch asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch LD = gcc-cris -mlinux -march=v32 -nostdlib -ldflags-y += -T $(srctree)/$(obj)/rescue.ld +ldflags-y += -T $(srctree)/$(src)/rescue.lds LDPOSTFLAGS = -lgcc OBJCOPYFLAGS = -O binary --remove-section=.bss obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o diff --git a/arch/cris/arch-v32/boot/rescue/rescue.ld b/arch/cris/arch-v32/boot/rescue/rescue.lds similarity index 100% rename from arch/cris/arch-v32/boot/rescue/rescue.ld rename to arch/cris/arch-v32/boot/rescue/rescue.lds -- GitLab From 94a8c3c2437c8946f1b6c8e0b2c560a7db8ed3c6 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 13 Jul 2008 22:19:35 -0700 Subject: [PATCH 0048/6244] x86: let 32bit use apic_ops too - fix fix for pv - clean up the namespace there too. Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/paravirt.c | 5 ---- arch/x86/kernel/vmi_32.c | 51 +++++++++++++++++++++++++++++++++++--- arch/x86/xen/enlighten.c | 19 +++++++------- include/asm-x86/paravirt.h | 29 ---------------------- 4 files changed, 57 insertions(+), 47 deletions(-) diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 4f29ff847ebe..e0f139106c7e 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -360,11 +360,6 @@ struct pv_cpu_ops pv_cpu_ops = { struct pv_apic_ops pv_apic_ops = { #ifdef CONFIG_X86_LOCAL_APIC -#ifndef CONFIG_X86_64 - .apic_write = native_apic_mem_write, - .apic_write_atomic = native_apic_mem_write_atomic, - .apic_read = native_apic_mem_read, -#endif .setup_boot_clock = setup_boot_APIC_clock, .setup_secondary_clock = setup_secondary_APIC_clock, .startup_ipi_hook = paravirt_nop, diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index b15346092b7b..cf3074354553 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -676,6 +676,50 @@ static inline int __init probe_vmi_rom(void) return 0; } +#ifdef CONFIG_X86_LOCAL_APIC +static u32 vmi_apic_read(u32 reg) +{ + return 0; +} + +static void vmi_apic_write(u32 reg, u32 val) +{ + /* Warn to see if there's any stray references */ + WARN_ON(1); +} + +static u64 vmi_apic_icr_read(void) +{ + return 0; +} + +static void vmi_apic_icr_write(u32 low, u32 id) +{ + /* Warn to see if there's any stray references */ + WARN_ON(1); +} + +static void vmi_apic_wait_icr_idle(void) +{ + return; +} + +static u32 vmi_safe_apic_wait_icr_idle(void) +{ + return 0; +} + +static struct apic_ops vmi_basic_apic_ops = { + .read = vmi_apic_read, + .write = vmi_apic_write, + .write_atomic = vmi_apic_write, + .icr_read = vmi_apic_icr_read, + .icr_write = vmi_apic_icr_write, + .wait_icr_idle = vmi_apic_wait_icr_idle, + .safe_wait_icr_idle = vmi_safe_apic_wait_icr_idle, +}; +#endif + /* * VMI setup common to all processors */ @@ -904,9 +948,10 @@ static inline int __init activate_vmi(void) #endif #ifdef CONFIG_X86_LOCAL_APIC - para_fill(pv_apic_ops.apic_read, APICRead); - para_fill(pv_apic_ops.apic_write, APICWrite); - para_fill(pv_apic_ops.apic_write_atomic, APICWrite); + para_fill(vmi_basic_apic_ops.read, APICRead); + para_fill(vmi_basic_apic_ops.write, APICWrite); + para_fill(vmi_basic_apic_ops.write_atomic, APICWrite); + apic_ops = &vmi_basic_apic_ops; #endif /* diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 54e255667530..d11dda7ebd7a 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -559,7 +559,6 @@ static void xen_apic_write(u32 reg, u32 val) WARN_ON(1); } -#ifdef CONFIG_X86_64 static u64 xen_apic_icr_read(void) { return 0; @@ -576,6 +575,11 @@ static void xen_apic_wait_icr_idle(void) return; } +static u32 xen_safe_apic_wait_icr_idle(void) +{ + return 0; +} + static struct apic_ops xen_basic_apic_ops = { .read = xen_apic_read, .write = xen_apic_write, @@ -583,9 +587,8 @@ static struct apic_ops xen_basic_apic_ops = { .icr_read = xen_apic_icr_read, .icr_write = xen_apic_icr_write, .wait_icr_idle = xen_apic_wait_icr_idle, - .safe_wait_icr_idle = xen_apic_wait_icr_idle, + .safe_wait_icr_idle = xen_safe_apic_wait_icr_idle, }; -#endif #endif @@ -1159,11 +1162,6 @@ static const struct pv_irq_ops xen_irq_ops __initdata = { static const struct pv_apic_ops xen_apic_ops __initdata = { #ifdef CONFIG_X86_LOCAL_APIC -#ifndef CONFIG_X86_64 - .apic_write = xen_apic_write, - .apic_write_atomic = xen_apic_write, - .apic_read = xen_apic_read, -#endif .setup_boot_clock = paravirt_nop, .setup_secondary_clock = paravirt_nop, .startup_ipi_hook = paravirt_nop, @@ -1322,9 +1320,10 @@ asmlinkage void __init xen_start_kernel(void) pv_irq_ops = xen_irq_ops; pv_apic_ops = xen_apic_ops; pv_mmu_ops = xen_mmu_ops; -#ifdef CONFIG_X86_64 + +#ifdef CONFIG_X86_LOCAL_APIC /* - * for 64bit, set up the basic apic ops aswell. + * set up the basic apic ops. */ apic_ops = &xen_basic_apic_ops; #endif diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index 5e34d26aa3b5..08f89e385a92 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -200,15 +200,6 @@ struct pv_irq_ops { struct pv_apic_ops { #ifdef CONFIG_X86_LOCAL_APIC -#ifndef CONFIG_X86_64 - /* - * Direct APIC operations, principally for VMI. Ideally - * these shouldn't be in this interface. - */ - void (*apic_write)(u32 reg, u32 v); - void (*apic_write_atomic)(u32 reg, u32 v); - u32 (*apic_read)(u32 reg); -#endif void (*setup_boot_clock)(void); void (*setup_secondary_clock)(void); @@ -890,26 +881,6 @@ static inline void slow_down_io(void) } #ifdef CONFIG_X86_LOCAL_APIC -/* - * Basic functions accessing APICs. - */ -#ifndef CONFIG_X86_64 -static inline void apic_write(u32 reg, u32 v) -{ - PVOP_VCALL2(pv_apic_ops.apic_write, reg, v); -} - -static inline void apic_write_atomic(u32 reg, u32 v) -{ - PVOP_VCALL2(pv_apic_ops.apic_write_atomic, reg, v); -} - -static inline u32 apic_read(u32 reg) -{ - return PVOP_CALL1(unsigned long, pv_apic_ops.apic_read, reg); -} -#endif - static inline void setup_boot_clock(void) { PVOP_VCALL0(pv_apic_ops.setup_boot_clock); -- GitLab From 3cac97cbb14aed00d83eb33d4613b0fe3aaea863 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Sun, 6 Jul 2008 17:23:55 +0800 Subject: [PATCH 0049/6244] rcu classic: simplify the next pending batch use a batch number(rcp->pending) instead of a flag(rcp->next_pending) rcu_start_batch() need to change this flag, so mb()s is needed for memory-access safe. but(after this patch applied) rcu_start_batch() do not change this batch number(rcp->pending), rcp->pending is managed by __rcu_process_callbacks only, and troublesome mb()s are eliminated. And codes look simpler and clearer. Signed-off-by: Lai Jiangshan Cc: "Paul E. McKenney" Cc: Dipankar Sarma Cc: Gautham Shenoy Cc: Dhaval Giani Cc: Peter Zijlstra Signed-off-by: Ingo Molnar --- include/linux/rcuclassic.h | 2 +- kernel/rcuclassic.c | 22 ++++++++-------------- 2 files changed, 9 insertions(+), 15 deletions(-) diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h index 8c774905dcfe..c847e59c6006 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h @@ -45,7 +45,7 @@ struct rcu_ctrlblk { long cur; /* Current batch number. */ long completed; /* Number of the last completed batch */ - int next_pending; /* Is the next batch already waiting? */ + long pending; /* Number of the last pending batch */ int signaled; diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index 16eeeaa9d618..03726eb95193 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -60,12 +60,14 @@ EXPORT_SYMBOL_GPL(rcu_lock_map); static struct rcu_ctrlblk rcu_ctrlblk = { .cur = -300, .completed = -300, + .pending = -300, .lock = __SPIN_LOCK_UNLOCKED(&rcu_ctrlblk.lock), .cpumask = CPU_MASK_NONE, }; static struct rcu_ctrlblk rcu_bh_ctrlblk = { .cur = -300, .completed = -300, + .pending = -300, .lock = __SPIN_LOCK_UNLOCKED(&rcu_bh_ctrlblk.lock), .cpumask = CPU_MASK_NONE, }; @@ -276,14 +278,8 @@ static void rcu_do_batch(struct rcu_data *rdp) */ static void rcu_start_batch(struct rcu_ctrlblk *rcp) { - if (rcp->next_pending && + if (rcp->cur != rcp->pending && rcp->completed == rcp->cur) { - rcp->next_pending = 0; - /* - * next_pending == 0 must be visible in - * __rcu_process_callbacks() before it can see new value of cur. - */ - smp_wmb(); rcp->cur++; /* @@ -441,16 +437,14 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, /* determine batch number */ rdp->batch = rcp->cur + 1; - /* see the comment and corresponding wmb() in - * the rcu_start_batch() - */ - smp_rmb(); - if (!rcp->next_pending) { + if (rcu_batch_after(rdp->batch, rcp->pending)) { /* and start it/schedule start if it's a new batch */ spin_lock(&rcp->lock); - rcp->next_pending = 1; - rcu_start_batch(rcp); + if (rcu_batch_after(rdp->batch, rcp->pending)) { + rcp->pending = rdp->batch; + rcu_start_batch(rcp); + } spin_unlock(&rcp->lock); } } -- GitLab From 5127bed588a2f8f3a1f732de2a8a190b7df5dce3 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Sun, 6 Jul 2008 17:23:59 +0800 Subject: [PATCH 0050/6244] rcu classic: new algorithm for callbacks-processing(v2) This is v2, it's a little deference from v1 that I had send to lkml. use ACCESS_ONCE use rcu_batch_after/rcu_batch_before for batch # comparison. rcutorture test result: (hotplugs: do cpu-online/offline once per second) No CONFIG_NO_HZ: OK, 12hours No CONFIG_NO_HZ, hotplugs: OK, 12hours CONFIG_NO_HZ=y: OK, 24hours CONFIG_NO_HZ=y, hotplugs: Failed. (Failed also without my patch applied, exactly the same bug occurred, http://lkml.org/lkml/2008/7/3/24) v1's email thread: http://lkml.org/lkml/2008/6/2/539 v1's description: The code/algorithm of the implement of current callbacks-processing is very efficient and technical. But when I studied it and I found a disadvantage: In multi-CPU systems, when a new RCU callback is being queued(call_rcu[_bh]), this callback will be invoked after the grace period for the batch with batch number = rcp->cur+2 has completed very very likely in current implement. Actually, this callback can be invoked after the grace period for the batch with batch number = rcp->cur+1 has completed. The delay of invocation means that latency of synchronize_rcu() is extended. But more important thing is that the callbacks usually free memory, and these works are delayed too! it's necessary for reclaimer to free memory as soon as possible when left memory is few. A very simple way can solve this problem: a field(struct rcu_head::batch) is added to record the batch number for the RCU callback. And when a new RCU callback is being queued, we determine the batch number for this callback(head->batch = rcp->cur+1) and we move this callback to rdp->donelist if we find that head->batch <= rcp->completed when we process callbacks. This simple way reduces the wait time for invocation a lot. (about 2.5Grace Period -> 1.5Grace Period in average in multi-CPU systems) This is my algorithm. But I do not add any field for struct rcu_head in my implement. We just need to memorize the last 2 batches and their batch number, because these 2 batches include all entries that for whom the grace period hasn't completed. So we use a special linked-list rather than add a field. Please see the comment of struct rcu_data. Signed-off-by: Lai Jiangshan Cc: "Paul E. McKenney" Cc: Dipankar Sarma Cc: Gautham Shenoy Cc: Dhaval Giani Cc: Peter Zijlstra Signed-off-by: Ingo Molnar --- include/linux/rcuclassic.h | 26 +++--- kernel/rcuclassic.c | 157 +++++++++++++++++++++++-------------- 2 files changed, 114 insertions(+), 69 deletions(-) diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h index c847e59c6006..04c728147be0 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h @@ -66,11 +66,7 @@ static inline int rcu_batch_after(long a, long b) return (a - b) > 0; } -/* - * Per-CPU data for Read-Copy UPdate. - * nxtlist - new callbacks are added here - * curlist - current batch for which quiescent cycle started if any - */ +/* Per-CPU data for Read-Copy UPdate. */ struct rcu_data { /* 1) quiescent state handling : */ long quiescbatch; /* Batch # for grace period */ @@ -78,12 +74,24 @@ struct rcu_data { int qs_pending; /* core waits for quiesc state */ /* 2) batch handling */ - long batch; /* Batch # for current RCU batch */ + /* + * if nxtlist is not NULL, then: + * batch: + * The batch # for the last entry of nxtlist + * [*nxttail[1], NULL = *nxttail[2]): + * Entries that batch # <= batch + * [*nxttail[0], *nxttail[1]): + * Entries that batch # <= batch - 1 + * [nxtlist, *nxttail[0]): + * Entries that batch # <= batch - 2 + * The grace period for these entries has completed, and + * the other grace-period-completed entries may be moved + * here temporarily in rcu_process_callbacks(). + */ + long batch; struct rcu_head *nxtlist; - struct rcu_head **nxttail; + struct rcu_head **nxttail[3]; long qlen; /* # of queued callbacks */ - struct rcu_head *curlist; - struct rcu_head **curtail; struct rcu_head *donelist; struct rcu_head **donetail; long blimit; /* Upper limit on a processed batch */ diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index 03726eb95193..d3553ee55f64 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -120,6 +120,43 @@ static inline void force_quiescent_state(struct rcu_data *rdp, } #endif +static void __call_rcu(struct rcu_head *head, struct rcu_ctrlblk *rcp, + struct rcu_data *rdp) +{ + long batch; + smp_mb(); /* reads the most recently updated value of rcu->cur. */ + + /* + * Determine the batch number of this callback. + * + * Using ACCESS_ONCE to avoid the following error when gcc eliminates + * local variable "batch" and emits codes like this: + * 1) rdp->batch = rcp->cur + 1 # gets old value + * ...... + * 2)rcu_batch_after(rcp->cur + 1, rdp->batch) # gets new value + * then [*nxttail[0], *nxttail[1]) may contain callbacks + * that batch# = rdp->batch, see the comment of struct rcu_data. + */ + batch = ACCESS_ONCE(rcp->cur) + 1; + + if (rdp->nxtlist && rcu_batch_after(batch, rdp->batch)) { + /* process callbacks */ + rdp->nxttail[0] = rdp->nxttail[1]; + rdp->nxttail[1] = rdp->nxttail[2]; + if (rcu_batch_after(batch - 1, rdp->batch)) + rdp->nxttail[0] = rdp->nxttail[2]; + } + + rdp->batch = batch; + *rdp->nxttail[2] = head; + rdp->nxttail[2] = &head->next; + + if (unlikely(++rdp->qlen > qhimark)) { + rdp->blimit = INT_MAX; + force_quiescent_state(rdp, &rcu_ctrlblk); + } +} + /** * call_rcu - Queue an RCU callback for invocation after a grace period. * @head: structure to be used for queueing the RCU updates. @@ -135,18 +172,11 @@ void call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu)) { unsigned long flags; - struct rcu_data *rdp; head->func = func; head->next = NULL; local_irq_save(flags); - rdp = &__get_cpu_var(rcu_data); - *rdp->nxttail = head; - rdp->nxttail = &head->next; - if (unlikely(++rdp->qlen > qhimark)) { - rdp->blimit = INT_MAX; - force_quiescent_state(rdp, &rcu_ctrlblk); - } + __call_rcu(head, &rcu_ctrlblk, &__get_cpu_var(rcu_data)); local_irq_restore(flags); } EXPORT_SYMBOL_GPL(call_rcu); @@ -171,20 +201,11 @@ void call_rcu_bh(struct rcu_head *head, void (*func)(struct rcu_head *rcu)) { unsigned long flags; - struct rcu_data *rdp; head->func = func; head->next = NULL; local_irq_save(flags); - rdp = &__get_cpu_var(rcu_bh_data); - *rdp->nxttail = head; - rdp->nxttail = &head->next; - - if (unlikely(++rdp->qlen > qhimark)) { - rdp->blimit = INT_MAX; - force_quiescent_state(rdp, &rcu_bh_ctrlblk); - } - + __call_rcu(head, &rcu_bh_ctrlblk, &__get_cpu_var(rcu_bh_data)); local_irq_restore(flags); } EXPORT_SYMBOL_GPL(call_rcu_bh); @@ -213,12 +234,6 @@ EXPORT_SYMBOL_GPL(rcu_batches_completed_bh); static inline void raise_rcu_softirq(void) { raise_softirq(RCU_SOFTIRQ); - /* - * The smp_mb() here is required to ensure that this cpu's - * __rcu_process_callbacks() reads the most recently updated - * value of rcu->cur. - */ - smp_mb(); } /* @@ -360,13 +375,15 @@ static void rcu_check_quiescent_state(struct rcu_ctrlblk *rcp, * which is dead and hence not processing interrupts. */ static void rcu_move_batch(struct rcu_data *this_rdp, struct rcu_head *list, - struct rcu_head **tail) + struct rcu_head **tail, long batch) { - local_irq_disable(); - *this_rdp->nxttail = list; - if (list) - this_rdp->nxttail = tail; - local_irq_enable(); + if (list) { + local_irq_disable(); + this_rdp->batch = batch; + *this_rdp->nxttail[2] = list; + this_rdp->nxttail[2] = tail; + local_irq_enable(); + } } static void __rcu_offline_cpu(struct rcu_data *this_rdp, @@ -380,9 +397,9 @@ static void __rcu_offline_cpu(struct rcu_data *this_rdp, if (rcp->cur != rcp->completed) cpu_quiet(rdp->cpu, rcp); spin_unlock_bh(&rcp->lock); - rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail); - rcu_move_batch(this_rdp, rdp->curlist, rdp->curtail); - rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail); + /* spin_lock implies smp_mb() */ + rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail, rcp->cur + 1); + rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail[2], rcp->cur + 1); local_irq_disable(); this_rdp->qlen += rdp->qlen; @@ -416,27 +433,37 @@ static void rcu_offline_cpu(int cpu) static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { - if (rdp->curlist && !rcu_batch_before(rcp->completed, rdp->batch)) { - *rdp->donetail = rdp->curlist; - rdp->donetail = rdp->curtail; - rdp->curlist = NULL; - rdp->curtail = &rdp->curlist; - } - - if (rdp->nxtlist && !rdp->curlist) { + if (rdp->nxtlist) { local_irq_disable(); - rdp->curlist = rdp->nxtlist; - rdp->curtail = rdp->nxttail; - rdp->nxtlist = NULL; - rdp->nxttail = &rdp->nxtlist; - local_irq_enable(); /* - * start the next batch of callbacks + * move the other grace-period-completed entries to + * [rdp->nxtlist, *rdp->nxttail[0]) temporarily + */ + if (!rcu_batch_before(rcp->completed, rdp->batch)) + rdp->nxttail[0] = rdp->nxttail[1] = rdp->nxttail[2]; + else if (!rcu_batch_before(rcp->completed, rdp->batch - 1)) + rdp->nxttail[0] = rdp->nxttail[1]; + + /* + * the grace period for entries in + * [rdp->nxtlist, *rdp->nxttail[0]) has completed and + * move these entries to donelist */ + if (rdp->nxttail[0] != &rdp->nxtlist) { + *rdp->donetail = rdp->nxtlist; + rdp->donetail = rdp->nxttail[0]; + rdp->nxtlist = *rdp->nxttail[0]; + *rdp->donetail = NULL; + + if (rdp->nxttail[1] == rdp->nxttail[0]) + rdp->nxttail[1] = &rdp->nxtlist; + if (rdp->nxttail[2] == rdp->nxttail[0]) + rdp->nxttail[2] = &rdp->nxtlist; + rdp->nxttail[0] = &rdp->nxtlist; + } - /* determine batch number */ - rdp->batch = rcp->cur + 1; + local_irq_enable(); if (rcu_batch_after(rdp->batch, rcp->pending)) { /* and start it/schedule start if it's a new batch */ @@ -462,15 +489,26 @@ static void rcu_process_callbacks(struct softirq_action *unused) static int __rcu_pending(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { - /* This cpu has pending rcu entries and the grace period - * for them has completed. - */ - if (rdp->curlist && !rcu_batch_before(rcp->completed, rdp->batch)) - return 1; + if (rdp->nxtlist) { + /* + * This cpu has pending rcu entries and the grace period + * for them has completed. + */ + if (!rcu_batch_before(rcp->completed, rdp->batch)) + return 1; + if (!rcu_batch_before(rcp->completed, rdp->batch - 1) && + rdp->nxttail[0] != rdp->nxttail[1]) + return 1; + if (rdp->nxttail[0] != &rdp->nxtlist) + return 1; - /* This cpu has no pending entries, but there are new entries */ - if (!rdp->curlist && rdp->nxtlist) - return 1; + /* + * This cpu has pending rcu entries and the new batch + * for then hasn't been started nor scheduled start + */ + if (rcu_batch_after(rdp->batch, rcp->pending)) + return 1; + } /* This cpu has finished callbacks to invoke */ if (rdp->donelist) @@ -506,7 +544,7 @@ int rcu_needs_cpu(int cpu) struct rcu_data *rdp = &per_cpu(rcu_data, cpu); struct rcu_data *rdp_bh = &per_cpu(rcu_bh_data, cpu); - return (!!rdp->curlist || !!rdp_bh->curlist || rcu_pending(cpu)); + return !!rdp->nxtlist || !!rdp_bh->nxtlist || rcu_pending(cpu); } void rcu_check_callbacks(int cpu, int user) @@ -553,8 +591,7 @@ static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { memset(rdp, 0, sizeof(*rdp)); - rdp->curtail = &rdp->curlist; - rdp->nxttail = &rdp->nxtlist; + rdp->nxttail[0] = rdp->nxttail[1] = rdp->nxttail[2] = &rdp->nxtlist; rdp->donetail = &rdp->donelist; rdp->quiescbatch = rcp->completed; rdp->qs_pending = 0; -- GitLab From 9a8f0e6b5dfe3b4f330fc82b16a4000f5688fce8 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 18 Jul 2008 09:59:40 -0700 Subject: [PATCH 0051/6244] x86: let 32bit use apic_ops too - fix Fix VMI apic_ops. Signed-off-by: Suresh Siddha Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 5 ++++ arch/x86/kernel/vmi_32.c | 51 +++------------------------------------ 2 files changed, 8 insertions(+), 48 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 47ff978aecfd..cb54d9e20f94 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -145,6 +145,11 @@ static int modern_apic(void) return lapic_get_version() >= 0x14; } +/* + * Paravirt kernels also might be using these below ops. So we still + * use generic apic_read()/apic_write(), which might be pointing to different + * ops in PARAVIRT case. + */ void xapic_wait_icr_idle(void) { while (apic_read(APIC_ICR) & APIC_ICR_BUSY) diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index cf3074354553..237082833c14 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -676,50 +676,6 @@ static inline int __init probe_vmi_rom(void) return 0; } -#ifdef CONFIG_X86_LOCAL_APIC -static u32 vmi_apic_read(u32 reg) -{ - return 0; -} - -static void vmi_apic_write(u32 reg, u32 val) -{ - /* Warn to see if there's any stray references */ - WARN_ON(1); -} - -static u64 vmi_apic_icr_read(void) -{ - return 0; -} - -static void vmi_apic_icr_write(u32 low, u32 id) -{ - /* Warn to see if there's any stray references */ - WARN_ON(1); -} - -static void vmi_apic_wait_icr_idle(void) -{ - return; -} - -static u32 vmi_safe_apic_wait_icr_idle(void) -{ - return 0; -} - -static struct apic_ops vmi_basic_apic_ops = { - .read = vmi_apic_read, - .write = vmi_apic_write, - .write_atomic = vmi_apic_write, - .icr_read = vmi_apic_icr_read, - .icr_write = vmi_apic_icr_write, - .wait_icr_idle = vmi_apic_wait_icr_idle, - .safe_wait_icr_idle = vmi_safe_apic_wait_icr_idle, -}; -#endif - /* * VMI setup common to all processors */ @@ -948,10 +904,9 @@ static inline int __init activate_vmi(void) #endif #ifdef CONFIG_X86_LOCAL_APIC - para_fill(vmi_basic_apic_ops.read, APICRead); - para_fill(vmi_basic_apic_ops.write, APICWrite); - para_fill(vmi_basic_apic_ops.write_atomic, APICWrite); - apic_ops = &vmi_basic_apic_ops; + para_fill(apic_ops->read, APICRead); + para_fill(apic_ops->write, APICWrite); + para_fill(apic_ops->write_atomic, APICWrite); #endif /* -- GitLab From 511d9d34183662aada3890883e860b151d707e22 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Mon, 14 Jul 2008 09:49:14 -0700 Subject: [PATCH 0052/6244] x86: apic_ops for lguest apic_ops for lguest. Signed-off-by: Suresh Siddha Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/lguest/boot.c | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 0c45df20e2b3..675ee7a6475e 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -791,6 +791,37 @@ static u32 lguest_apic_read(u32 reg) { return 0; } + +static u64 lguest_apic_icr_read(void) +{ + return 0; +} + +static void lguest_apic_icr_write(u32 low, u32 id) +{ + /* Warn to see if there's any stray references */ + WARN_ON(1); +} + +static void lguest_apic_wait_icr_idle(void) +{ + return; +} + +static u32 lguest_apic_safe_wait_icr_idle(void) +{ + return 0; +} + +static struct apic_ops lguest_basic_apic_ops = { + .read = lguest_apic_read, + .write = lguest_apic_write, + .write_atomic = lguest_apic_write, + .icr_read = lguest_apic_icr_read, + .icr_write = lguest_apic_icr_write, + .wait_icr_idle = lguest_apic_wait_icr_idle, + .safe_wait_icr_idle = lguest_apic_safe_wait_icr_idle, +}; #endif /* STOP! Until an interrupt comes in. */ @@ -990,9 +1021,7 @@ __init void lguest_init(void) #ifdef CONFIG_X86_LOCAL_APIC /* apic read/write intercepts */ - pv_apic_ops.apic_write = lguest_apic_write; - pv_apic_ops.apic_write_atomic = lguest_apic_write; - pv_apic_ops.apic_read = lguest_apic_read; + apic_ops = &lguest_basic_apic_ops; #endif /* time operations */ -- GitLab From f84dbb912f344270f31d5cce974f12908a47798d Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 10 Jul 2008 14:48:54 -0700 Subject: [PATCH 0053/6244] genirq: enable polling for disabled screaming irqs When we disable a screaming irq we never see it again. If the irq line is shared or if the driver half works this is a real pain. So periodically poll the handlers for screaming interrupts. I use a timer instead of the classic irq poll technique of working off the timer interrupt because when we use the local apic timers note_interrupt is never called (bug?). Further on a system with dynamic ticks the timer interrupt might not even fire unless there is a timer telling it it needs to. I forced this case on my test system with an e1000 nic and my ssh session remained responsive despite the interrupt handler only being called every 10th of a second. Signed-off-by: Eric W. Biederman Signed-off-by: Ingo Molnar --- kernel/irq/spurious.c | 146 ++++++++++++++++++++++++++---------------- 1 file changed, 91 insertions(+), 55 deletions(-) diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index c66d3f10e853..19fe9d6ebfe8 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -12,83 +12,117 @@ #include #include #include +#include static int irqfixup __read_mostly; +#define POLL_SPURIOUS_IRQ_INTERVAL (HZ/10) +static void poll_spurious_irqs(unsigned long dummy); +static DEFINE_TIMER(poll_spurious_irq_timer, poll_spurious_irqs, 0, 0); + /* * Recovery handler for misrouted interrupts. */ -static int misrouted_irq(int irq) +static int try_one_irq(int irq, struct irq_desc *desc) { - int i; + struct irqaction *action; int ok = 0; int work = 0; /* Did we do work for a real IRQ */ - for (i = 1; i < NR_IRQS; i++) { - struct irq_desc *desc = irq_desc + i; - struct irqaction *action; - - if (i == irq) /* Already tried */ - continue; - - spin_lock(&desc->lock); - /* Already running on another processor */ - if (desc->status & IRQ_INPROGRESS) { - /* - * Already running: If it is shared get the other - * CPU to go looking for our mystery interrupt too - */ - if (desc->action && (desc->action->flags & IRQF_SHARED)) - desc->status |= IRQ_PENDING; - spin_unlock(&desc->lock); - continue; - } - /* Honour the normal IRQ locking */ - desc->status |= IRQ_INPROGRESS; - action = desc->action; + spin_lock(&desc->lock); + /* Already running on another processor */ + if (desc->status & IRQ_INPROGRESS) { + /* + * Already running: If it is shared get the other + * CPU to go looking for our mystery interrupt too + */ + if (desc->action && (desc->action->flags & IRQF_SHARED)) + desc->status |= IRQ_PENDING; spin_unlock(&desc->lock); + return ok; + } + /* Honour the normal IRQ locking */ + desc->status |= IRQ_INPROGRESS; + action = desc->action; + spin_unlock(&desc->lock); - while (action) { - /* Only shared IRQ handlers are safe to call */ - if (action->flags & IRQF_SHARED) { - if (action->handler(i, action->dev_id) == - IRQ_HANDLED) - ok = 1; - } - action = action->next; + while (action) { + /* Only shared IRQ handlers are safe to call */ + if (action->flags & IRQF_SHARED) { + if (action->handler(irq, action->dev_id) == + IRQ_HANDLED) + ok = 1; } - local_irq_disable(); - /* Now clean up the flags */ - spin_lock(&desc->lock); - action = desc->action; + action = action->next; + } + local_irq_disable(); + /* Now clean up the flags */ + spin_lock(&desc->lock); + action = desc->action; + /* + * While we were looking for a fixup someone queued a real + * IRQ clashing with our walk: + */ + while ((desc->status & IRQ_PENDING) && action) { /* - * While we were looking for a fixup someone queued a real - * IRQ clashing with our walk: - */ - while ((desc->status & IRQ_PENDING) && action) { - /* - * Perform real IRQ processing for the IRQ we deferred - */ - work = 1; - spin_unlock(&desc->lock); - handle_IRQ_event(i, action); - spin_lock(&desc->lock); - desc->status &= ~IRQ_PENDING; - } - desc->status &= ~IRQ_INPROGRESS; - /* - * If we did actual work for the real IRQ line we must let the - * IRQ controller clean up too + * Perform real IRQ processing for the IRQ we deferred */ - if (work && desc->chip && desc->chip->end) - desc->chip->end(i); + work = 1; spin_unlock(&desc->lock); + handle_IRQ_event(irq, action); + spin_lock(&desc->lock); + desc->status &= ~IRQ_PENDING; + } + desc->status &= ~IRQ_INPROGRESS; + /* + * If we did actual work for the real IRQ line we must let the + * IRQ controller clean up too + */ + if (work && desc->chip && desc->chip->end) + desc->chip->end(irq); + spin_unlock(&desc->lock); + + return ok; +} + +static int misrouted_irq(int irq) +{ + int i; + int ok = 0; + + for (i = 1; i < NR_IRQS; i++) { + struct irq_desc *desc = irq_desc + i; + + if (i == irq) /* Already tried */ + continue; + + if (try_one_irq(i, desc)) + ok = 1; } /* So the caller can adjust the irq error counts */ return ok; } +static void poll_spurious_irqs(unsigned long dummy) +{ + int i; + for (i = 1; i < NR_IRQS; i++) { + struct irq_desc *desc = irq_desc + i; + unsigned int status; + + /* Racy but it doesn't matter */ + status = desc->status; + barrier(); + if (!(status & IRQ_SPURIOUS_DISABLED)) + continue; + + try_one_irq(i, desc); + } + + mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL); +} + /* * If 99,900 of the previous 100,000 interrupts have not been handled * then assume that the IRQ is stuck in some manner. Drop a diagnostic @@ -212,6 +246,8 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, desc->status |= IRQ_DISABLED | IRQ_SPURIOUS_DISABLED; desc->depth++; desc->chip->disable(irq); + + mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL); } desc->irqs_unhandled = 0; } -- GitLab From f586bf7df9acc26b68b0feefc0dd32fa63516d3a Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Fri, 18 Jul 2008 15:58:35 -0700 Subject: [PATCH 0054/6244] x86: APIC: Remove apic_write_around(); use alternatives, merge fix On Fri, Jul 18, 2008 at 02:03:48PM -0700, Ingo Molnar wrote: > > * Yinghai Lu wrote: > > > > git merge tip/x86/x2apic > > CONFLICT (content): Merge conflict in arch/x86/kernel/Makefile > > CONFLICT (content): Merge conflict in arch/x86/kernel/paravirt.c > > CONFLICT (content): Merge conflict in arch/x86/kernel/smpboot.c > > CONFLICT (content): Merge conflict in arch/x86/kernel/vmi_32.c > > CONFLICT (content): Merge conflict in arch/x86/xen/enlighten.c > > CONFLICT (content): Merge conflict in include/asm-x86/apic.h > > CONFLICT (content): Merge conflict in include/asm-x86/paravirt.h > > that's due to the changes in tip/x86/apic and in tip/x86/uv. > > ok, i've just merged x86/apic into x86/x2apic and x86/uv as well, and > pushed out the result. > > Note: it's a first raw merge and completely untested. It will now merge > cleanly into tip/master. There are probably a few details missing. Ingo, thanks for doing this. While I was testing my merge changes, you posted yours... anyhow we need this piece, which is missing from your merge. Signed-off-by: Suresh Siddha Cc: Yinghai Lu Cc: "Maciej W. Rozycki" Cc: Jeremy Fitzhardinge Cc: Zachary Amsden Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 5 ++--- arch/x86/kernel/apic_64.c | 2 -- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index dcb897f22aa2..8728f54a93d8 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -174,8 +174,8 @@ u32 safe_xapic_wait_icr_idle(void) void xapic_icr_write(u32 low, u32 id) { - apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(id)); - apic_write_around(APIC_ICR, low); + apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id)); + apic_write(APIC_ICR, low); } u64 xapic_icr_read(void) @@ -191,7 +191,6 @@ u64 xapic_icr_read(void) static struct apic_ops xapic_ops = { .read = native_apic_mem_read, .write = native_apic_mem_write, - .write_atomic = native_apic_mem_write_atomic, .icr_read = xapic_icr_read, .icr_write = xapic_icr_write, .wait_icr_idle = xapic_wait_icr_idle, diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 46e612408aca..a850bc63fb1c 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -167,7 +167,6 @@ u64 xapic_icr_read(void) static struct apic_ops xapic_ops = { .read = native_apic_mem_read, .write = native_apic_mem_write, - .write_atomic = native_apic_mem_write_atomic, .icr_read = xapic_icr_read, .icr_write = xapic_icr_write, .wait_icr_idle = xapic_wait_icr_idle, @@ -206,7 +205,6 @@ u64 x2apic_icr_read(void) static struct apic_ops x2apic_ops = { .read = native_apic_msr_read, .write = native_apic_msr_write, - .write_atomic = native_apic_msr_write, .icr_read = x2apic_icr_read, .icr_write = x2apic_icr_write, .wait_icr_idle = x2apic_wait_icr_idle, -- GitLab From caf43bf7c6a55e89b6df5179df434d67e24aa32e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 20 Jul 2008 14:06:50 +0200 Subject: [PATCH 0055/6244] x86, xen: fix apic_ops build on UP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/xen/enlighten.c:615: error: variable ‘xen_basic_apic_ops’ has initializer but incomplete type arch/x86/xen/enlighten.c:616: error: unknown field ‘read’ specified in initializer [...] Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 008b7b69581e..e4d1459a63df 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -35,6 +35,7 @@ #include #include +#include #include #include #include -- GitLab From 7be42004065ce4df193aeef5befd26805267d0d9 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 20 Jul 2008 17:04:57 +0200 Subject: [PATCH 0056/6244] x86, lguest: fix apic_ops build on UP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/lguest/boot.c:816: error: variable ‘lguest_basic_apic_ops’ has initializer but incomplete type arch/x86/lguest/boot.c:817: error: unknown field ‘read’ specified in initializer [...] Signed-off-by: Ingo Molnar --- arch/x86/lguest/boot.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 35c4349cd668..756fc489652b 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -55,6 +55,7 @@ #include #include #include +#include #include #include #include -- GitLab From 68c072388d2339af504c033a51886ea7c6b8d806 Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Tue, 15 Jul 2008 16:24:50 +0200 Subject: [PATCH 0057/6244] ALSA: re-order AC97 codec ID table. Signed-off-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ac97/ac97_codec.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 8c49a00a5e39..f6a7d721649e 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -67,8 +67,8 @@ struct ac97_codec_id { }; static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { -{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, { 0x41445300, 0xffffff00, "Analog Devices", NULL, NULL }, +{ 0x414b4d00, 0xffffff00, "Asahi Kasei", NULL, NULL }, { 0x414c4300, 0xffffff00, "Realtek", NULL, NULL }, { 0x414c4700, 0xffffff00, "Realtek", NULL, NULL }, { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL, NULL }, @@ -94,11 +94,6 @@ static const struct ac97_codec_id snd_ac97_codec_id_vendors[] = { }; static const struct ac97_codec_id snd_ac97_codec_ids[] = { -{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, -{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, -{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, -{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, -{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, { 0x41445303, 0xffffffff, "AD1819", patch_ad1819, NULL }, { 0x41445340, 0xffffffff, "AD1881", patch_ad1881, NULL }, { 0x41445348, 0xffffffff, "AD1881A", patch_ad1881, NULL }, @@ -112,20 +107,25 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x41445374, 0xffffffff, "AD1981B", patch_ad1981b, NULL }, { 0x41445375, 0xffffffff, "AD1985", patch_ad1985, NULL }, { 0x41445378, 0xffffffff, "AD1986", patch_ad1986, NULL }, +{ 0x414b4d00, 0xffffffff, "AK4540", NULL, NULL }, +{ 0x414b4d01, 0xffffffff, "AK4542", NULL, NULL }, +{ 0x414b4d02, 0xffffffff, "AK4543", NULL, NULL }, +{ 0x414b4d06, 0xffffffff, "AK4544A", NULL, NULL }, +{ 0x414b4d07, 0xffffffff, "AK4545", NULL, NULL }, { 0x414c4300, 0xffffff00, "ALC100,100P", NULL, NULL }, { 0x414c4710, 0xfffffff0, "ALC200,200P", NULL, NULL }, { 0x414c4721, 0xffffffff, "ALC650D", NULL, NULL }, /* already patched */ { 0x414c4722, 0xffffffff, "ALC650E", NULL, NULL }, /* already patched */ { 0x414c4723, 0xffffffff, "ALC650F", NULL, NULL }, /* already patched */ { 0x414c4720, 0xfffffff0, "ALC650", patch_alc650, NULL }, -{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, -{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ -{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, -{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, { 0x414c4730, 0xffffffff, "ALC101", NULL, NULL }, { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, +{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, { 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, +{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ +{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, +{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, { 0x434d4941, 0xffffffff, "CMI9738", patch_cm9738, NULL }, { 0x434d4961, 0xffffffff, "CMI9739", patch_cm9739, NULL }, { 0x434d4969, 0xffffffff, "CMI9780", patch_cm9780, NULL }, -- GitLab From 1cd2224cd01898a13138f4ab476932cfb689839e Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 18 Jul 2008 18:20:52 +0200 Subject: [PATCH 0058/6244] ALSA: hda: digital pc-beep support hd-audio codecs Added digital pc-beep support using linear tone generation for hd-codecs along with initial support for several IDT codecs. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/Kconfig | 8 ++ sound/pci/hda/Makefile | 1 + sound/pci/hda/hda_beep.c | 134 +++++++++++++++++++++++++++++++++ sound/pci/hda/hda_beep.h | 44 +++++++++++ sound/pci/hda/hda_codec.h | 4 + sound/pci/hda/patch_sigmatel.c | 63 ++++++++++++++++ 6 files changed, 254 insertions(+) create mode 100644 sound/pci/hda/hda_beep.c create mode 100644 sound/pci/hda/hda_beep.h diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 31f52d3fc21f..db9e31fd0612 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -517,6 +517,14 @@ config SND_HDA_HWDEP This interface can be used for out-of-band communication with codecs for debugging purposes. +config SND_HDA_INPUT_BEEP + bool "Support digital beep via input layer" + depends on SND_HDA_INTEL + depends on INPUT=y || INPUT=SND_HDA_INTEL + help + Say Y here to build a digital beep interface for HD-audio + driver. This interface is used to generate digital beeps. + config SND_HDA_CODEC_REALTEK bool "Build Realtek HD-audio codec support" depends on SND_HDA_INTEL diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile index ab0c726d648e..6db92fd954d9 100644 --- a/sound/pci/hda/Makefile +++ b/sound/pci/hda/Makefile @@ -5,6 +5,7 @@ snd-hda-intel-y := hda_intel.o snd-hda-intel-y += hda_codec.o snd-hda-intel-$(CONFIG_PROC_FS) += hda_proc.o snd-hda-intel-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o +snd-hda-intel-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o snd-hda-intel-$(CONFIG_SND_HDA_GENERIC) += hda_generic.o snd-hda-intel-$(CONFIG_SND_HDA_CODEC_REALTEK) += patch_realtek.o snd-hda-intel-$(CONFIG_SND_HDA_CODEC_CMEDIA) += patch_cmedia.o diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c new file mode 100644 index 000000000000..5a764c481391 --- /dev/null +++ b/sound/pci/hda/hda_beep.c @@ -0,0 +1,134 @@ +/* + * Digital Beep Input Interface for HD-audio codec + * + * Author: Matthew Ranostay + * Copyright (c) 2008 Embedded Alley Solutions Inc + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include "hda_beep.h" + +enum { + DIGBEEP_HZ_STEP = 46875, /* 46.875 Hz */ + DIGBEEP_HZ_MIN = 93750, /* 93.750 Hz */ + DIGBEEP_HZ_MAX = 12000000, /* 12 KHz */ +}; + +static void snd_hda_generate_beep(struct work_struct *work) +{ + struct hda_beep *beep = + container_of(work, struct hda_beep, beep_work); + struct hda_codec *codec = beep->codec; + + /* generate tone */ + snd_hda_codec_write_cache(codec, beep->nid, 0, + AC_VERB_SET_BEEP_CONTROL, beep->tone); +} + +static int snd_hda_beep_event(struct input_dev *dev, unsigned int type, + unsigned int code, int hz) +{ + struct hda_beep *beep = input_get_drvdata(dev); + + switch (code) { + case SND_BELL: + if (hz) + hz = 1000; + case SND_TONE: + hz *= 1000; /* fixed point */ + hz = hz - DIGBEEP_HZ_MIN; + if (hz < 0) + hz = 0; /* turn off PC beep*/ + else if (hz >= (DIGBEEP_HZ_MAX - DIGBEEP_HZ_MIN)) + hz = 0xff; + else { + hz /= DIGBEEP_HZ_STEP; + hz++; + } + break; + default: + return -1; + } + beep->tone = hz; + + /* schedule beep event */ + schedule_work(&beep->beep_work); + return 0; +} + +int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) +{ + struct input_dev *input_dev; + struct hda_beep *beep; + int err; + + beep = kzalloc(sizeof(*beep), GFP_KERNEL); + if (beep == NULL) + return -ENOMEM; + snprintf(beep->phys, sizeof(beep->phys), + "card%d/codec#%d/beep0", codec->bus->card->number, codec->addr); + input_dev = input_allocate_device(); + + /* setup digital beep device */ + input_dev->name = "HDA Digital PCBeep"; + input_dev->phys = beep->phys; + input_dev->id.bustype = BUS_PCI; + + input_dev->id.vendor = codec->vendor_id >> 16; + input_dev->id.product = codec->vendor_id & 0xffff; + input_dev->id.version = 0x01; + + input_dev->evbit[0] = BIT_MASK(EV_SND); + input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); + input_dev->event = snd_hda_beep_event; + input_dev->dev.parent = &codec->bus->pci->dev; + input_set_drvdata(input_dev, beep); + + err = input_register_device(input_dev); + if (err < 0) { + kfree(input_dev); + kfree(beep); + return err; + } + + /* enable linear scale */ + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_DIGI_CONVERT_2, 0x01); + + beep->nid = nid; + beep->dev = input_dev; + beep->codec = codec; + codec->beep = beep; + + INIT_WORK(&beep->beep_work, &snd_hda_generate_beep); + return 0; +} + +void snd_hda_detach_beep_device(struct hda_codec *codec) +{ + struct hda_beep *beep = codec->beep; + if (beep) { + cancel_work_sync(&beep->beep_work); + flush_scheduled_work(); + + input_unregister_device(beep->dev); + kfree(beep); + } +} diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h new file mode 100644 index 000000000000..de4036e6e710 --- /dev/null +++ b/sound/pci/hda/hda_beep.h @@ -0,0 +1,44 @@ +/* + * Digital Beep Input Interface for HD-audio codec + * + * Author: Matthew Ranostay + * Copyright (c) 2008 Embedded Alley Solutions Inc + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __SOUND_HDA_BEEP_H +#define __SOUND_HDA_BEEP_H + +#include "hda_codec.h" + +/* beep information */ +struct hda_beep { + struct input_dev *dev; + struct hda_codec *codec; + char phys[32]; + int tone; + int nid; + struct work_struct beep_work; /* scheduled task for beep event */ +}; + +#ifdef CONFIG_SND_HDA_INPUT_BEEP +int snd_hda_attach_beep_device(struct hda_codec *codec, int nid); +void snd_hda_detach_beep_device(struct hda_codec *codec); +#else +#define snd_hda_attach_beep_device(...) +#define snd_hda_detach_beep_device(...) +#endif +#endif diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index efc682888b31..3a63c445d36b 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -449,6 +449,7 @@ enum { */ struct hda_bus; +struct hda_beep; struct hda_codec; struct hda_pcm; struct hda_pcm_stream; @@ -634,6 +635,9 @@ struct hda_codec { /* codec specific info */ void *spec; + /* beep device */ + struct hda_beep *beep; + /* widget capabilities cache */ unsigned int num_nodes; hda_nid_t start_nid; diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index f3da621f25c5..6ee73ed23ddd 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -33,6 +33,7 @@ #include "hda_codec.h" #include "hda_local.h" #include "hda_patch.h" +#include "hda_beep.h" #define NUM_CONTROL_ALLOC 32 #define STAC_PWR_EVENT 0x20 @@ -164,6 +165,8 @@ struct sigmatel_spec { unsigned int num_dmuxes; hda_nid_t dig_in_nid; hda_nid_t mono_nid; + hda_nid_t anabeep_nid; + hda_nid_t digbeep_nid; /* pin widgets */ hda_nid_t *pin_nids; @@ -690,6 +693,8 @@ static struct hda_verb d965_core_init[] = { static struct hda_verb stac927x_core_init[] = { /* set master volume and direct control */ { 0x24, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff}, + /* enable analog pc beep path */ + { 0x01, AC_VERB_SET_DIGI_CONVERT_2, 1 << 5}, {} }; @@ -829,8 +834,11 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1d, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x1, 0x1b, 0x0, HDA_OUTPUT), + /* analog pc-beep replaced with digital beep support */ + /* HDA_CODEC_VOLUME("PC Beep Volume", 0x17, 0x2, HDA_INPUT), HDA_CODEC_MUTE("PC Beep Switch", 0x17, 0x2, HDA_INPUT), + */ HDA_CODEC_MUTE("Analog Loopback 1", 0x17, 0x3, HDA_INPUT), HDA_CODEC_MUTE("Analog Loopback 2", 0x17, 0x4, HDA_INPUT), @@ -2609,6 +2617,34 @@ static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec) "Mono Mux", spec->mono_nid); } +/* create PC beep volume controls */ +static int stac92xx_auto_create_beep_ctls(struct hda_codec *codec, + hda_nid_t nid) +{ + struct sigmatel_spec *spec = codec->spec; + u32 caps = query_amp_caps(codec, nid, HDA_OUTPUT); + int err; + + /* check for mute support for the the amp */ + if ((caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT) { + err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, + "PC Beep Playback Switch", + HDA_COMPOSE_AMP_VAL(nid, 1, 0, HDA_OUTPUT)); + if (err < 0) + return err; + } + + /* check to see if there is volume support for the amp */ + if ((caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT) { + err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, + "PC Beep Playback Volume", + HDA_COMPOSE_AMP_VAL(nid, 1, 0, HDA_OUTPUT)); + if (err < 0) + return err; + } + return 0; +} + /* labels for dmic mux inputs */ static const char *stac92xx_dmic_labels[5] = { "Analog Inputs", "Digital Mic 1", "Digital Mic 2", @@ -2844,6 +2880,28 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (err < 0) return err; + /* setup analog beep controls */ + if (spec->anabeep_nid > 0) { + err = stac92xx_auto_create_beep_ctls(codec, + spec->anabeep_nid); + if (err < 0) + return err; + } + + /* setup digital beep controls and input device */ +#ifdef CONFIG_SND_HDA_INPUT_BEEP + if (spec->digbeep_nid > 0) { + hda_nid_t nid = spec->digbeep_nid; + + err = stac92xx_auto_create_beep_ctls(codec, nid); + if (err < 0) + return err; + err = snd_hda_attach_beep_device(codec, nid); + if (err < 0) + return err; + } +#endif + if (hp_speaker_swap == 1) { /* Restore the hp_outs and line_outs */ memcpy(spec->autocfg.hp_pins, spec->autocfg.line_out_pins, @@ -3158,6 +3216,7 @@ static void stac92xx_free(struct hda_codec *codec) kfree(spec->bios_pin_configs); kfree(spec); + snd_hda_detach_beep_device(codec); } static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid, @@ -3546,6 +3605,7 @@ again: spec->aloopback_mask = 0x01; spec->aloopback_shift = 8; + spec->digbeep_nid = 0x1c; spec->mux_nids = stac92hd73xx_mux_nids; spec->adc_nids = stac92hd73xx_adc_nids; spec->dmic_nids = stac92hd73xx_dmic_nids; @@ -3680,6 +3740,7 @@ again: spec->gpio_dir = 0x01; spec->gpio_data = 0x01; + spec->digbeep_nid = 0x26; spec->mux_nids = stac92hd71bxx_mux_nids; spec->adc_nids = stac92hd71bxx_adc_nids; spec->dmic_nids = stac92hd71bxx_dmic_nids; @@ -3854,6 +3915,7 @@ static int patch_stac927x(struct hda_codec *codec) stac92xx_set_config_regs(codec); } + spec->digbeep_nid = 0x23; spec->adc_nids = stac927x_adc_nids; spec->num_adcs = ARRAY_SIZE(stac927x_adc_nids); spec->mux_nids = stac927x_mux_nids; @@ -3974,6 +4036,7 @@ static int patch_stac9205(struct hda_codec *codec) stac92xx_set_config_regs(codec); } + spec->digbeep_nid = 0x23; spec->adc_nids = stac9205_adc_nids; spec->num_adcs = ARRAY_SIZE(stac9205_adc_nids); spec->mux_nids = stac9205_mux_nids; -- GitLab From 8d00a6c8f6b08e7167bc03bf955cdc7e47c5132e Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 22 Jul 2008 08:39:57 +0200 Subject: [PATCH 0059/6244] genirq: remove last NO_IDLE_HZ leftovers Signed-off-by: Thomas Gleixner --- include/linux/irq.h | 4 ---- kernel/irq/handle.c | 2 -- 2 files changed, 6 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 8ccb462ea42c..f3047df2d23c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -197,10 +197,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #ifdef CONFIG_GENERIC_HARDIRQS -#ifndef handle_dynamic_tick -# define handle_dynamic_tick(a) do { } while (0) -#endif - #ifdef CONFIG_SMP #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 5fa6198e9139..f4c8a03a9fbb 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -131,8 +131,6 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) irqreturn_t ret, retval = IRQ_NONE; unsigned int status = 0; - handle_dynamic_tick(action); - if (!(action->flags & IRQF_DISABLED)) local_irq_enable_in_hardirq(); -- GitLab From 1b9b89e7f163336ad84200b66a17284dbf26aced Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Mon, 21 Jul 2008 22:08:21 -0700 Subject: [PATCH 0060/6244] x86: add apic probe for genapic 64bit, v2 introducing an APIC handling probing abstraction: static struct genapic *apic_probe[] __initdata = { &apic_x2apic_uv_x, &apic_x2apic_phys, &apic_x2apic_cluster, &apic_physflat, NULL, }; This way we can remove UV, x2apic specific code from genapic_64.c and move them to their specific genapic files. [ v2: fix compiling when CONFIG_ACPI is not set ] Signed-off-by: Yinghai Lu Cc: Jack Steiner Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/genapic_64.c | 85 +++++++++-------------------- arch/x86/kernel/genapic_flat_64.c | 26 +++++++++ arch/x86/kernel/genx2apic_cluster.c | 11 ++++ arch/x86/kernel/genx2apic_phys.c | 21 +++++++ arch/x86/kernel/genx2apic_uv_x.c | 32 ++++++++++- include/asm-x86/genapic_64.h | 1 + 6 files changed, 116 insertions(+), 60 deletions(-) diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 3940d8161f8b..b3ba969c50d2 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -16,62 +16,37 @@ #include #include #include -#include #include #include #include -#ifdef CONFIG_ACPI -#include -#endif - -DEFINE_PER_CPU(int, x2apic_extra_bits); +extern struct genapic apic_flat; +extern struct genapic apic_physflat; +extern struct genapic apic_x2xpic_uv_x; +extern struct genapic apic_x2apic_phys; +extern struct genapic apic_x2apic_cluster; struct genapic __read_mostly *genapic = &apic_flat; -static int x2apic_phys = 0; - -static int set_x2apic_phys_mode(char *arg) -{ - x2apic_phys = 1; - return 0; -} -early_param("x2apic_phys", set_x2apic_phys_mode); - -static enum uv_system_type uv_system_type; +static struct genapic *apic_probe[] __initdata = { + &apic_x2apic_uv_x, + &apic_x2apic_phys, + &apic_x2apic_cluster, + &apic_physflat, + NULL, +}; /* * Check the APIC IDs in bios_cpu_apicid and choose the APIC mode. */ void __init setup_apic_routing(void) { - if (uv_system_type == UV_NON_UNIQUE_APIC) - genapic = &apic_x2apic_uv_x; - else if (cpu_has_x2apic && intr_remapping_enabled) { - if (x2apic_phys) - genapic = &apic_x2apic_phys; - else - genapic = &apic_x2apic_cluster; - } else -#ifdef CONFIG_ACPI - /* - * Quirk: some x86_64 machines can only use physical APIC mode - * regardless of how many processors are present (x86_64 ES7000 - * is an example). - */ - if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID && - (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) - genapic = &apic_physflat; - else -#endif - - if (max_physical_apicid < 8) - genapic = &apic_flat; - else - genapic = &apic_physflat; - - printk(KERN_INFO "Setting APIC routing to %s\n", genapic->name); + if (genapic == &apic_flat) { + if (max_physical_apicid >= 8) + genapic = &apic_physflat; + printk(KERN_INFO "Setting APIC routing to %s\n", genapic->name); + } } /* Same for both flat and physical. */ @@ -83,23 +58,15 @@ void apic_send_IPI_self(int vector) int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - if (!strcmp(oem_id, "SGI")) { - if (!strcmp(oem_table_id, "UVL")) - uv_system_type = UV_LEGACY_APIC; - else if (!strcmp(oem_table_id, "UVX")) - uv_system_type = UV_X2APIC; - else if (!strcmp(oem_table_id, "UVH")) - uv_system_type = UV_NON_UNIQUE_APIC; + int i; + + for (i = 0; apic_probe[i]; ++i) { + if (apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) { + genapic = apic_probe[i]; + printk(KERN_INFO "Setting APIC routing to %s.\n", + genapic->name); + return 1; + } } return 0; } - -enum uv_system_type get_uv_system_type(void) -{ - return uv_system_type; -} - -int is_uv_system(void) -{ - return uv_system_type != UV_NONE; -} diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 2c973cbf054f..1740b83329f6 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -21,6 +21,15 @@ #include #include +#ifdef CONFIG_ACPI +#include +#endif + +static int __init flat_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + return 1; +} + static cpumask_t flat_target_cpus(void) { return cpu_online_map; @@ -138,6 +147,7 @@ static unsigned int phys_pkg_id(int index_msb) struct genapic apic_flat = { .name = "flat", + .acpi_madt_oem_check = flat_acpi_madt_oem_check, .int_delivery_mode = dest_LowestPrio, .int_dest_mode = (APIC_DEST_LOGICAL != 0), .target_cpus = flat_target_cpus, @@ -160,6 +170,21 @@ struct genapic apic_flat = { * We cannot use logical delivery in this case because the mask * overflows, so use physical mode. */ +static int __init physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ +#ifdef CONFIG_ACPI + /* + * Quirk: some x86_64 machines can only use physical APIC mode + * regardless of how many processors are present (x86_64 ES7000 + * is an example). + */ + if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID && + (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) + return 1; +#endif + + return 0; +} static cpumask_t physflat_target_cpus(void) { @@ -206,6 +231,7 @@ static unsigned int physflat_cpu_mask_to_apicid(cpumask_t cpumask) struct genapic apic_physflat = { .name = "physical flat", + .acpi_madt_oem_check = physflat_acpi_madt_oem_check, .int_delivery_mode = dest_Fixed, .int_dest_mode = (APIC_DEST_PHYSICAL != 0), .target_cpus = physflat_target_cpus, diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c index 40bc0140d89f..ef3f3182d50a 100644 --- a/arch/x86/kernel/genx2apic_cluster.c +++ b/arch/x86/kernel/genx2apic_cluster.c @@ -4,12 +4,22 @@ #include #include #include +#include + #include #include #include DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); +static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + if (cpu_has_x2apic && intr_remapping_enabled) + return 1; + + return 0; +} + /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ static cpumask_t x2apic_target_cpus(void) @@ -135,6 +145,7 @@ static void init_x2apic_ldr(void) struct genapic apic_x2apic_cluster = { .name = "cluster x2apic", + .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, .int_delivery_mode = dest_LowestPrio, .int_dest_mode = (APIC_DEST_LOGICAL != 0), .target_cpus = x2apic_target_cpus, diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c index 2f3c6ca19de9..f35a3bf3a9e5 100644 --- a/arch/x86/kernel/genx2apic_phys.c +++ b/arch/x86/kernel/genx2apic_phys.c @@ -4,10 +4,30 @@ #include #include #include +#include + #include #include #include +DEFINE_PER_CPU(int, x2apic_extra_bits); + +static int x2apic_phys; + +static int set_x2apic_phys_mode(char *arg) +{ + x2apic_phys = 1; + return 0; +} +early_param("x2apic_phys", set_x2apic_phys_mode); + +static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + if (cpu_has_x2apic && intr_remapping_enabled && x2apic_phys) + return 1; + + return 0; +} /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ @@ -122,6 +142,7 @@ void init_x2apic_ldr(void) struct genapic apic_x2apic_phys = { .name = "physical x2apic", + .acpi_madt_oem_check = x2apic_acpi_madt_oem_check, .int_delivery_mode = dest_Fixed, .int_dest_mode = (APIC_DEST_PHYSICAL != 0), .target_cpus = x2apic_target_cpus, diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index a8e5cb4c4d43..a882bc3a2ce9 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -27,6 +27,33 @@ #include #include +static enum uv_system_type uv_system_type; + +static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + if (!strcmp(oem_id, "SGI")) { + if (!strcmp(oem_table_id, "UVL")) + uv_system_type = UV_LEGACY_APIC; + else if (!strcmp(oem_table_id, "UVX")) + uv_system_type = UV_X2APIC; + else if (!strcmp(oem_table_id, "UVH")) { + uv_system_type = UV_NON_UNIQUE_APIC; + return 1; + } + } + return 0; +} + +enum uv_system_type get_uv_system_type(void) +{ + return uv_system_type; +} + +int is_uv_system(void) +{ + return uv_system_type != UV_NONE; +} + DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info); EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info); @@ -153,7 +180,7 @@ static unsigned int get_apic_id(unsigned long x) return id; } -static long set_apic_id(unsigned int id) +static unsigned long set_apic_id(unsigned int id) { unsigned long x; @@ -182,6 +209,7 @@ static void uv_send_IPI_self(int vector) struct genapic apic_x2apic_uv_x = { .name = "UV large system", + .acpi_madt_oem_check = uv_acpi_madt_oem_check, .int_delivery_mode = dest_Fixed, .int_dest_mode = (APIC_DEST_PHYSICAL != 0), .target_cpus = uv_target_cpus, @@ -433,3 +461,5 @@ void __cpuinit uv_cpu_init(void) if (get_uv_system_type() == UV_NON_UNIQUE_APIC) set_x2apic_extra_bits(uv_hub_info->pnode); } + + diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 2871b3fccb21..1e832e49f54e 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -14,6 +14,7 @@ struct genapic { char *name; + int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); u32 int_delivery_mode; u32 int_dest_mode; int (*apic_id_registered)(void); -- GitLab From 026e2c05ef58ef413e2d52696f125d5ea1aa8bce Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 22 Jul 2008 11:58:14 +0200 Subject: [PATCH 0061/6244] x86, cyrix: debug Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/cyrix.c | 20 ++++++++++---------- include/asm-x86/processor-cyrix.h | 8 ++++++++ 2 files changed, 18 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c index 3fd7a67bb06a..db5868cd2443 100644 --- a/arch/x86/kernel/cpu/cyrix.c +++ b/arch/x86/kernel/cpu/cyrix.c @@ -116,7 +116,7 @@ static void __cpuinit set_cx86_reorder(void) setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* Load/Store Serialize to mem access disable (=reorder it) */ - setCx86(CX86_PCR0, getCx86(CX86_PCR0) & ~0x80); + setCx86_old(CX86_PCR0, getCx86_old(CX86_PCR0) & ~0x80); /* set load/store serialize from 1GB to 4GB */ ccr3 |= 0xe0; setCx86(CX86_CCR3, ccr3); @@ -127,11 +127,11 @@ static void __cpuinit set_cx86_memwb(void) printk(KERN_INFO "Enable Memory-Write-back mode on Cyrix/NSC processor.\n"); /* CCR2 bit 2: unlock NW bit */ - setCx86(CX86_CCR2, getCx86(CX86_CCR2) & ~0x04); + setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) & ~0x04); /* set 'Not Write-through' */ write_cr0(read_cr0() | X86_CR0_NW); /* CCR2 bit 2: lock NW bit and set WT1 */ - setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14); + setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) | 0x14); } static void __cpuinit set_cx86_inc(void) @@ -144,10 +144,10 @@ static void __cpuinit set_cx86_inc(void) setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* PCR1 -- Performance Control */ /* Incrementor on, whatever that is */ - setCx86(CX86_PCR1, getCx86(CX86_PCR1) | 0x02); + setCx86_old(CX86_PCR1, getCx86_old(CX86_PCR1) | 0x02); /* PCR0 -- Performance Control */ /* Incrementor Margin 10 */ - setCx86(CX86_PCR0, getCx86(CX86_PCR0) | 0x04); + setCx86_old(CX86_PCR0, getCx86_old(CX86_PCR0) | 0x04); setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ } @@ -162,14 +162,14 @@ static void __cpuinit geode_configure(void) local_irq_save(flags); /* Suspend on halt power saving and enable #SUSP pin */ - setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x88); + setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) | 0x88); ccr3 = getCx86(CX86_CCR3); setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ /* FPU fast, DTE cache, Mem bypass */ - setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x38); + setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x38); setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ set_cx86_memwb(); @@ -286,7 +286,7 @@ static void __cpuinit init_cyrix(struct cpuinfo_x86 *c) /* GXm supports extended cpuid levels 'ala' AMD */ if (c->cpuid_level == 2) { /* Enable cxMMX extensions (GX1 Datasheet 54) */ - setCx86(CX86_CCR7, getCx86(CX86_CCR7) | 1); + setCx86_old(CX86_CCR7, getCx86_old(CX86_CCR7) | 1); /* * GXm : 0x30 ... 0x5f GXm datasheet 51 @@ -309,7 +309,7 @@ static void __cpuinit init_cyrix(struct cpuinfo_x86 *c) if (dir1 > 7) { dir0_msn++; /* M II */ /* Enable MMX extensions (App note 108) */ - setCx86(CX86_CCR7, getCx86(CX86_CCR7)|1); + setCx86_old(CX86_CCR7, getCx86_old(CX86_CCR7)|1); } else { c->coma_bug = 1; /* 6x86MX, it has the bug. */ } @@ -424,7 +424,7 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 *c) local_irq_save(flags); ccr3 = getCx86(CX86_CCR3); setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */ - setCx86(CX86_CCR4, getCx86(CX86_CCR4) | 0x80); /* enable cpuid */ + setCx86_old(CX86_CCR4, getCx86_old(CX86_CCR4) | 0x80); /* enable cpuid */ setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ local_irq_restore(flags); } diff --git a/include/asm-x86/processor-cyrix.h b/include/asm-x86/processor-cyrix.h index 97568ada1f97..1198f2a0e42c 100644 --- a/include/asm-x86/processor-cyrix.h +++ b/include/asm-x86/processor-cyrix.h @@ -28,3 +28,11 @@ static inline void setCx86(u8 reg, u8 data) outb(reg, 0x22); outb(data, 0x23); } + +#define getCx86_old(reg) ({ outb((reg), 0x22); inb(0x23); }) + +#define setCx86_old(reg, data) do { \ + outb((reg), 0x22); \ + outb((data), 0x23); \ +} while (0) + -- GitLab From bbc1f698a508927d21324b57500e863f9bd562b9 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 21:34:13 +0530 Subject: [PATCH 0062/6244] x86: Introducing asm/syscalls.h Declaring arch-dependent syscalls for x86 architecture Signed-off-by: Jaswinder Singh --- arch/x86/kernel/ioport.c | 1 + arch/x86/kernel/ldt.c | 1 + arch/x86/kernel/process_32.c | 1 + arch/x86/kernel/process_64.c | 1 + arch/x86/kernel/signal_32.c | 1 + arch/x86/kernel/signal_64.c | 1 + arch/x86/kernel/sys_i386_32.c | 2 + arch/x86/kernel/sys_x86_64.c | 1 + arch/x86/kernel/tls.c | 1 + arch/x86/kernel/vm86_32.c | 1 + include/asm-x86/syscalls.h | 90 +++++++++++++++++++++++++++++++++++ 11 files changed, 101 insertions(+) create mode 100644 include/asm-x86/syscalls.h diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c index 50e5e4a31c85..191914302744 100644 --- a/arch/x86/kernel/ioport.c +++ b/arch/x86/kernel/ioport.c @@ -14,6 +14,7 @@ #include #include #include +#include /* Set EXTENT bits starting at BASE in BITMAP to value TURN_ON. */ static void set_bitmap(unsigned long *bitmap, unsigned int base, diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index a8449571858a..c49ff2dc8f83 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -18,6 +18,7 @@ #include #include #include +#include #ifdef CONFIG_SMP static void flush_ldt(void *current_mm) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 0c3927accb00..6490e4981261 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -55,6 +55,7 @@ #include #include #include +#include asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index e8a8e1b99817..c78090dd0c52 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -51,6 +51,7 @@ #include #include #include +#include asmlinkage extern void ret_from_fork(void); diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 07faaa5109cb..5cede1045ce7 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "sigframe.h" diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index bf87684474f1..b95a0a609053 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "sigframe.h" #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c index 7066cb855a60..1884a8d12bfa 100644 --- a/arch/x86/kernel/sys_i386_32.c +++ b/arch/x86/kernel/sys_i386_32.c @@ -22,6 +22,8 @@ #include #include +#include + asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 3b360ef33817..c9288c883e20 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -16,6 +16,7 @@ #include #include +#include asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long off) diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c index ab6bf375a307..6bb7b8579e70 100644 --- a/arch/x86/kernel/tls.c +++ b/arch/x86/kernel/tls.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "tls.h" diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c index 38f566fa27d2..4eeb5cf9720d 100644 --- a/arch/x86/kernel/vm86_32.c +++ b/arch/x86/kernel/vm86_32.c @@ -46,6 +46,7 @@ #include #include #include +#include /* * Known problems: diff --git a/include/asm-x86/syscalls.h b/include/asm-x86/syscalls.h new file mode 100644 index 000000000000..170fcb132f53 --- /dev/null +++ b/include/asm-x86/syscalls.h @@ -0,0 +1,90 @@ +/* + * syscalls.h - Linux syscall interfaces (arch-specific) + * + * Copyright (c) 2008 Jaswinder Singh + * + * This file is released under the GPLv2. + * See the file COPYING for more details. + * + * Please do not call me directly, include linux/syscalls.h + */ + +#ifndef _ASM_X86_SYSCALLS_H +#define _ASM_X86_SYSCALLS_H + +#include +#include +#include +#include + +/* Common in X86_32 and X86_64 */ +/* kernel/ioport.c */ +asmlinkage long sys_ioperm(unsigned long, unsigned long, int); + +/* X86_32 only */ +#ifdef CONFIG_X86_32 +/* kernel/process_32.c */ +asmlinkage int sys_fork(struct pt_regs); +asmlinkage int sys_clone(struct pt_regs); +asmlinkage int sys_vfork(struct pt_regs); +asmlinkage int sys_execve(struct pt_regs); + +/* kernel/signal_32.c */ +asmlinkage int sys_sigsuspend(int, int, old_sigset_t); +asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, + struct old_sigaction __user *); +asmlinkage int sys_sigaltstack(unsigned long); +asmlinkage unsigned long sys_sigreturn(unsigned long); +asmlinkage int sys_rt_sigreturn(unsigned long); + +/* kernel/ioport.c */ +asmlinkage long sys_iopl(unsigned long); + +/* kernel/ldt.c */ +asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); + +/* kernel/sys_i386_32.c */ +asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long, + unsigned long, unsigned long, unsigned long); +struct mmap_arg_struct; +asmlinkage int old_mmap(struct mmap_arg_struct __user *); +struct sel_arg_struct; +asmlinkage int old_select(struct sel_arg_struct __user *); +asmlinkage int sys_ipc(uint, int, int, int, void __user *, long); +struct old_utsname; +asmlinkage int sys_uname(struct old_utsname __user *); +struct oldold_utsname; +asmlinkage int sys_olduname(struct oldold_utsname __user *); + +/* kernel/tls.c */ +asmlinkage int sys_set_thread_area(struct user_desc __user *); +asmlinkage int sys_get_thread_area(struct user_desc __user *); + +#else /* CONFIG_X86_32 */ + +/* X86_64 only */ +/* kernel/process_64.c */ +asmlinkage long sys_fork(struct pt_regs *); +asmlinkage long sys_clone(unsigned long, unsigned long, + void __user *, void __user *, + struct pt_regs *); +asmlinkage long sys_vfork(struct pt_regs *); +asmlinkage long sys_execve(char __user *, char __user * __user *, + char __user * __user *, + struct pt_regs *); + +/* kernel/ioport.c */ +asmlinkage long sys_iopl(unsigned int, struct pt_regs *); + +/* kernel/signal_64.c */ +asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, + struct pt_regs *); +asmlinkage long sys_rt_sigreturn(struct pt_regs *); + +/* kernel/sys_x86_64.c */ +asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long, + unsigned long, unsigned long, unsigned long); +asmlinkage long sys_uname(struct new_utsname __user *); + +#endif /* CONFIG_X86_32 */ +#endif /* _ASM_X86_SYSCALLS_H */ -- GitLab From fb26132b441e75d6ba9996efc29b42081aee0abd Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 21:36:40 +0530 Subject: [PATCH 0063/6244] x86: process_32.c declare cpu_number before they get used Moved DECLARE_PER_CPU(int, cpu_number) from CONFIG_X86_32_SMP to CONFIG_X86_32 because cpu_number is required for both. And include asm/smp.h in process_32.c Signed-off-by: Jaswinder Singh --- arch/x86/kernel/process_32.c | 1 + include/asm-x86/smp.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 6490e4981261..7218bccd1766 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -56,6 +56,7 @@ #include #include #include +#include asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 3c877f74f279..3a1480648f65 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -34,6 +34,9 @@ extern cpumask_t cpu_initialized; DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); DECLARE_PER_CPU(cpumask_t, cpu_core_map); DECLARE_PER_CPU(u16, cpu_llc_id); +#ifdef CONFIG_X86_32 +DECLARE_PER_CPU(int, cpu_number); +#endif DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid); DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid); @@ -142,7 +145,6 @@ extern unsigned disabled_cpus __cpuinitdata; * from the initial startup. We map APIC_BASE very early in page_setup(), * so this is correct in the x86 case. */ -DECLARE_PER_CPU(int, cpu_number); #define raw_smp_processor_id() (x86_read_percpu(cpu_number)) extern int safe_smp_processor_id(void); -- GitLab From b994b6c0332a5499b33880855dadad04d74cde54 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 21:37:52 +0530 Subject: [PATCH 0064/6244] x86: signal_XX.c declare do_notify_resume before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/signal.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/asm-x86/signal.h b/include/asm-x86/signal.h index 6dac49364e95..5e4a1b0d8dc3 100644 --- a/include/asm-x86/signal.h +++ b/include/asm-x86/signal.h @@ -140,6 +140,9 @@ struct sigaction { struct k_sigaction { struct sigaction sa; }; + +extern void do_notify_resume(struct pt_regs *, void *, __u32); + # else /* __KERNEL__ */ /* Here we must cater to libcs that poke about in kernel headers. */ -- GitLab From cc0384917bf69079088701a0725c5fc6b554bf35 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 21:52:51 +0530 Subject: [PATCH 0065/6244] x86: time_XX.c declare functions before they get used Declare time_init() in asm-x86/time.h Also did cleanup in asm-x86/timer.h : timer_ack is only required for X86_32 int recalibrate_cpu_khz(void) is for X86_32 Signed-off-by: Jaswinder Singh --- arch/x86/kernel/time_32.c | 1 + include/asm-x86/time.h | 2 ++ include/asm-x86/timer.h | 5 ++++- 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index ffe3c664afc0..bbecf8b6bf96 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -36,6 +36,7 @@ #include #include #include +#include #include "do_timer.h" diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h index a17fa473e91d..5f4fc3e02387 100644 --- a/include/asm-x86/time.h +++ b/include/asm-x86/time.h @@ -46,6 +46,8 @@ static inline int native_set_wallclock(unsigned long nowtime) #endif +extern void time_init(void); + #ifdef CONFIG_PARAVIRT #include #else /* !CONFIG_PARAVIRT */ diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h index fb2a4ddddf3d..2a8a92d5787b 100644 --- a/include/asm-x86/timer.h +++ b/include/asm-x86/timer.h @@ -9,9 +9,12 @@ unsigned long long native_sched_clock(void); unsigned long native_calibrate_tsc(void); +#ifdef CONFIG_X86_32 extern int timer_ack; -extern int no_timer_check; extern int recalibrate_cpu_khz(void); +#endif /* CONFIG_X86_32 */ + +extern int no_timer_check; #ifndef CONFIG_PARAVIRT #define calibrate_tsc() native_calibrate_tsc() -- GitLab From 5314d48ed54c1a0111c597d1510f77850a1b3232 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:12:23 +0530 Subject: [PATCH 0066/6244] x86: setup.c declare saved_video_mode before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/setup.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h index a07c6f1c01e1..946f8f20e91c 100644 --- a/include/asm-x86/setup.h +++ b/include/asm-x86/setup.h @@ -41,6 +41,7 @@ struct x86_quirks { }; extern struct x86_quirks *x86_quirks; +extern unsigned long saved_video_mode; #ifndef CONFIG_PARAVIRT #define paravirt_post_allocator_init() do {} while (0) -- GitLab From a7b7511ac1404eaf0e7b6c445a7c61b48ccfcf0b Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:19:29 +0530 Subject: [PATCH 0067/6244] x86: e820.c declare pci_mem_start before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/e820.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index 16a31e2c7c57..213d1ed3d415 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -64,6 +64,7 @@ struct e820map { extern struct e820map e820; extern struct e820map e820_saved; +extern unsigned long pci_mem_start; extern int e820_any_mapped(u64 start, u64 end, unsigned type); extern int e820_all_mapped(u64 start, u64 end, unsigned type); extern void e820_add_region(u64 start, u64 size, int type); -- GitLab From 9321b8cbbbf3a8dbd4748e3722facaeb8401bd13 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:24:29 +0530 Subject: [PATCH 0068/6244] x86: pci-dma.c declare iommu_bio_merge before they get used moved iommu_bio_merge from io_64.h to io.h because it is required for both. Signed-off-by: Jaswinder Singh --- include/asm-x86/io.h | 2 ++ include/asm-x86/io_64.h | 1 - 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index bf5d629b3a39..a145210ac16b 100644 --- a/include/asm-x86/io.h +++ b/include/asm-x86/io.h @@ -73,6 +73,8 @@ build_mmio_write(__writeq, "q", unsigned long, "r", ) #define writeq writeq #endif +extern int iommu_bio_merge; + #ifdef CONFIG_X86_32 # include "io_32.h" #else diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h index ddd8058a5026..1e271378afaf 100644 --- a/include/asm-x86/io_64.h +++ b/include/asm-x86/io_64.h @@ -233,7 +233,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c); #define flush_write_buffers() -extern int iommu_bio_merge; #define BIO_VMERGE_BOUNDARY iommu_bio_merge /* -- GitLab From 791b897ccd1a2c6c184b88ca6d1aaf053499c3df Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:28:22 +0530 Subject: [PATCH 0069/6244] x86: pci-nommu.c declare nommu_dma_ops before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/dma-mapping.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index c2ddd3d1b883..f14b04d8baee 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -57,6 +57,7 @@ struct dma_mapping_ops { }; extern const struct dma_mapping_ops *dma_ops; +extern const struct dma_mapping_ops nommu_dma_ops; static inline int dma_mapping_error(dma_addr_t dma_addr) { -- GitLab From 36454936c00c700ae86b5ff376d3c1c1a862c4f5 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:31:57 +0530 Subject: [PATCH 0070/6244] x86: i387.c declare dump_fpu() before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/i387.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 37672f79dcc8..487898923830 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -24,6 +24,7 @@ extern void mxcsr_feature_mask_init(void); extern int init_fpu(struct task_struct *child); extern asmlinkage void math_state_restore(void); extern void init_thread_xstate(void); +extern int dump_fpu(struct pt_regs *, struct user_i387_struct *); extern user_regset_active_fn fpregs_active, xfpregs_active; extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get; -- GitLab From c1686aeaf0780055ffcd4b224b73d5ada77630e8 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:35:38 +0530 Subject: [PATCH 0071/6244] x86: ptrace.c declare functions before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/ptrace.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 8a71db803da6..48c1d5a890de 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -148,6 +148,9 @@ extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, void signal_fault(struct pt_regs *regs, void __user *frame, char *where); #endif +extern long syscall_trace_enter(struct pt_regs *); +extern void syscall_trace_leave(struct pt_regs *); + static inline unsigned long regs_return_value(struct pt_regs *regs) { return regs->ax; -- GitLab From 1c6c727d9c12c84a612abe31b60948f06fc2ab2d Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:40:37 +0530 Subject: [PATCH 0072/6244] x86: proc.c declare cpuinfo_op before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/processor.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 15cb82a44e89..93b6adc72ad1 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -140,6 +140,8 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info); #define current_cpu_data boot_cpu_data #endif +extern const struct seq_operations cpuinfo_op; + static inline int hlt_works(int cpu) { #ifdef CONFIG_X86_32 -- GitLab From 8fd329a1ac696973ba5467c510302ae1248cc11a Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:54:56 +0530 Subject: [PATCH 0073/6244] x86: common.c declare idle_regs before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/processor.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 93b6adc72ad1..a2fb5a436418 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -155,6 +155,8 @@ static inline int hlt_works(int cpu) extern void cpu_detect(struct cpuinfo_x86 *c); +extern struct pt_regs *idle_regs(struct pt_regs *); + extern void early_cpu_init(void); extern void identify_boot_cpu(void); extern void identify_secondary_cpu(struct cpuinfo_x86 *); -- GitLab From 1e84911c6c37fd1080ef07039e19c346628b31db Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Mon, 21 Jul 2008 22:58:29 +0530 Subject: [PATCH 0074/6244] x86: mtrr/main.c declare range_state as static Signed-off-by: Jaswinder Singh --- arch/x86/kernel/cpu/mtrr/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 6f23969c8faf..b5ade28ca8f8 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -729,7 +729,7 @@ struct var_mtrr_range_state { mtrr_type type; }; -struct var_mtrr_range_state __initdata range_state[RANGE_NUM]; +static struct var_mtrr_range_state __initdata range_state[RANGE_NUM]; static int __initdata debug_print; static int __init -- GitLab From df1be4372eae5f104b7fb4991bc4b35f00b11a11 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 22 Jul 2008 10:13:11 -0400 Subject: [PATCH 0075/6244] x64, apic: use generic apic_write() for ack_APIC_irq() I tested tip/master and found an issue (patch attached) for x2apic support. This is not because of the recent merges we had, but because of something(where we still access memory based interface after enabling x2apic mode) that slipped through my earlier tests. Probably it is a good idea to unmap the memory mapped interface, once we switch to x2apic mode. That will catch the issues much earlier. I will post another patch for this. ack_APIC_irq() is used at too many generic places (and not just during irq_chip handling!) to use the native_apic_mem_write(). For ex, this will break x2apic based systems. Fix ack_APIC_irq() to use the generic apic_write() even for 64-bit. Signed-off-by: Suresh Siddha Cc: suresh.b.siddha@intel.com Cc: yong.y.wang@linux.intel.com Signed-off-by: Ingo Molnar --- include/asm-x86/apic.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 51339910fdc0..502ca6594b1d 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -136,11 +136,7 @@ static inline void ack_APIC_irq(void) */ /* Docs say use 0 for future compatibility */ -#ifdef CONFIG_X86_32 apic_write(APIC_EOI, 0); -#else - native_apic_mem_write(APIC_EOI, 0); -#endif } extern int lapic_get_maxlvt(void); -- GitLab From a656c8efb40a8700046df20da2195f8aa39ce38a Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Tue, 22 Jul 2008 21:27:11 +0200 Subject: [PATCH 0076/6244] x86: fix spurious '#' in kvm header Signed-off-by: Vegard Nossum --- include/asm-x86/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index fdde0bedaa90..924e1bfe3a6c 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -1,4 +1,4 @@ -#/* +/* * Kernel-based Virtual Machine driver for Linux * * This header defines architecture specific interfaces, x86 version -- GitLab From 77ef50a522717fa040636ee1017179ceba12ff62 Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Wed, 18 Jun 2008 17:08:48 +0200 Subject: [PATCH 0077/6244] x86: consolidate header guards This patch is the result of an automatic script that consolidates the format of all the headers in include/asm-x86/. The format: 1. No leading underscore. Names with leading underscores are reserved. 2. Pathname components are separated by two underscores. So we can distinguish between mm_types.h and mm/types.h. 3. Everything except letters and numbers are turned into single underscores. Signed-off-by: Vegard Nossum --- include/asm-x86/a.out-core.h | 6 +++--- include/asm-x86/a.out.h | 6 +++--- include/asm-x86/acpi.h | 6 +++--- include/asm-x86/agp.h | 6 +++--- include/asm-x86/alternative.h | 6 +++--- include/asm-x86/amd_iommu.h | 6 +++--- include/asm-x86/amd_iommu_types.h | 6 +++--- include/asm-x86/apic.h | 6 +++--- include/asm-x86/apicdef.h | 6 +++--- include/asm-x86/arch_hooks.h | 6 +++--- include/asm-x86/asm.h | 6 +++--- include/asm-x86/atomic_32.h | 6 +++--- include/asm-x86/atomic_64.h | 6 +++--- include/asm-x86/auxvec.h | 6 +++--- include/asm-x86/bios_ebda.h | 6 +++--- include/asm-x86/bitops.h | 6 +++--- include/asm-x86/boot.h | 6 +++--- include/asm-x86/bootparam.h | 6 +++--- include/asm-x86/bug.h | 6 +++--- include/asm-x86/bugs.h | 6 +++--- include/asm-x86/byteorder.h | 6 +++--- include/asm-x86/cache.h | 6 +++--- include/asm-x86/cacheflush.h | 6 +++--- include/asm-x86/calgary.h | 6 +++--- include/asm-x86/checksum_32.h | 6 +++--- include/asm-x86/checksum_64.h | 6 +++--- include/asm-x86/cmpxchg_32.h | 6 +++--- include/asm-x86/cmpxchg_64.h | 6 +++--- include/asm-x86/compat.h | 6 +++--- include/asm-x86/cpu.h | 6 +++--- include/asm-x86/cpufeature.h | 6 +++--- include/asm-x86/current.h | 6 +++--- include/asm-x86/debugreg.h | 6 +++--- include/asm-x86/delay.h | 6 +++--- include/asm-x86/desc_defs.h | 6 +++--- include/asm-x86/device.h | 6 +++--- include/asm-x86/div64.h | 6 +++--- include/asm-x86/dma-mapping.h | 6 +++--- include/asm-x86/dma.h | 6 +++--- include/asm-x86/dmi.h | 6 +++--- include/asm-x86/ds.h | 6 +++--- include/asm-x86/dwarf2.h | 6 +++--- include/asm-x86/e820.h | 6 +++--- include/asm-x86/edac.h | 6 +++--- include/asm-x86/efi.h | 6 +++--- include/asm-x86/elf.h | 6 +++--- include/asm-x86/emergency-restart.h | 6 +++--- include/asm-x86/fb.h | 6 +++--- include/asm-x86/fixmap.h | 6 +++--- include/asm-x86/fixmap_32.h | 6 +++--- include/asm-x86/fixmap_64.h | 6 +++--- include/asm-x86/floppy.h | 6 +++--- include/asm-x86/ftrace.h | 6 +++--- include/asm-x86/futex.h | 6 +++--- include/asm-x86/gart.h | 6 +++--- include/asm-x86/genapic_32.h | 6 +++--- include/asm-x86/genapic_64.h | 6 +++--- include/asm-x86/geode.h | 6 +++--- include/asm-x86/gpio.h | 6 +++--- include/asm-x86/hardirq_32.h | 6 +++--- include/asm-x86/hardirq_64.h | 6 +++--- include/asm-x86/highmem.h | 6 +++--- include/asm-x86/hpet.h | 6 +++--- include/asm-x86/hugetlb.h | 6 +++--- include/asm-x86/hw_irq.h | 6 +++--- include/asm-x86/hypertransport.h | 6 +++--- include/asm-x86/i387.h | 6 +++--- include/asm-x86/i8253.h | 6 +++--- include/asm-x86/i8259.h | 6 +++--- include/asm-x86/ia32.h | 6 +++--- include/asm-x86/ia32_unistd.h | 6 +++--- include/asm-x86/ide.h | 6 +++--- include/asm-x86/idle.h | 6 +++--- include/asm-x86/intel_arch_perfmon.h | 6 +++--- include/asm-x86/io.h | 6 +++--- include/asm-x86/io_32.h | 6 +++--- include/asm-x86/io_64.h | 6 +++--- include/asm-x86/io_apic.h | 6 +++--- include/asm-x86/ioctls.h | 6 +++--- include/asm-x86/iommu.h | 6 +++--- include/asm-x86/ipcbuf.h | 6 +++--- include/asm-x86/ipi.h | 6 +++--- include/asm-x86/irq.h | 6 +++--- include/asm-x86/irq_regs_32.h | 6 +++--- include/asm-x86/irq_vectors.h | 6 +++--- include/asm-x86/ist.h | 6 +++--- include/asm-x86/k8.h | 6 +++--- include/asm-x86/kdebug.h | 6 +++--- include/asm-x86/kexec.h | 6 +++--- include/asm-x86/kgdb.h | 6 +++--- include/asm-x86/kmap_types.h | 6 +++--- include/asm-x86/kprobes.h | 6 +++--- include/asm-x86/kvm.h | 6 +++--- include/asm-x86/kvm_host.h | 6 +++--- include/asm-x86/kvm_para.h | 6 +++--- include/asm-x86/kvm_x86_emulate.h | 6 +++--- include/asm-x86/ldt.h | 6 +++--- include/asm-x86/lguest.h | 6 +++--- include/asm-x86/lguest_hcall.h | 6 +++--- include/asm-x86/linkage.h | 6 +++--- include/asm-x86/local.h | 6 +++--- include/asm-x86/mach-bigsmp/mach_apic.h | 6 +++--- include/asm-x86/mach-bigsmp/mach_apicdef.h | 6 +++--- include/asm-x86/mach-bigsmp/mach_ipi.h | 6 +++--- include/asm-x86/mach-default/apm.h | 6 +++--- include/asm-x86/mach-default/mach_apic.h | 6 +++--- include/asm-x86/mach-default/mach_apicdef.h | 6 +++--- include/asm-x86/mach-default/mach_ipi.h | 6 +++--- include/asm-x86/mach-default/mach_mpparse.h | 6 +++--- include/asm-x86/mach-default/mach_mpspec.h | 6 +++--- include/asm-x86/mach-default/mach_timer.h | 6 +++--- include/asm-x86/mach-default/mach_traps.h | 6 +++--- include/asm-x86/mach-default/mach_wakecpu.h | 6 +++--- include/asm-x86/mach-es7000/mach_apic.h | 6 +++--- include/asm-x86/mach-es7000/mach_apicdef.h | 6 +++--- include/asm-x86/mach-es7000/mach_ipi.h | 6 +++--- include/asm-x86/mach-es7000/mach_mpparse.h | 6 +++--- include/asm-x86/mach-es7000/mach_wakecpu.h | 6 +++--- include/asm-x86/mach-generic/gpio.h | 6 +++--- include/asm-x86/mach-generic/irq_vectors_limits.h | 6 +++--- include/asm-x86/mach-generic/mach_apic.h | 6 +++--- include/asm-x86/mach-generic/mach_apicdef.h | 6 +++--- include/asm-x86/mach-generic/mach_ipi.h | 6 +++--- include/asm-x86/mach-generic/mach_mpparse.h | 6 +++--- include/asm-x86/mach-generic/mach_mpspec.h | 6 +++--- include/asm-x86/mach-numaq/mach_apic.h | 6 +++--- include/asm-x86/mach-numaq/mach_apicdef.h | 6 +++--- include/asm-x86/mach-numaq/mach_ipi.h | 6 +++--- include/asm-x86/mach-numaq/mach_mpparse.h | 6 +++--- include/asm-x86/mach-numaq/mach_wakecpu.h | 6 +++--- include/asm-x86/mach-rdc321x/gpio.h | 6 +++--- include/asm-x86/mach-summit/irq_vectors_limits.h | 6 +++--- include/asm-x86/mach-summit/mach_apic.h | 6 +++--- include/asm-x86/mach-summit/mach_apicdef.h | 6 +++--- include/asm-x86/mach-summit/mach_ipi.h | 6 +++--- include/asm-x86/mach-summit/mach_mpparse.h | 6 +++--- include/asm-x86/math_emu.h | 6 +++--- include/asm-x86/mc146818rtc.h | 6 +++--- include/asm-x86/mca.h | 6 +++--- include/asm-x86/mca_dma.h | 6 +++--- include/asm-x86/mce.h | 6 +++--- include/asm-x86/mman.h | 6 +++--- include/asm-x86/mmconfig.h | 6 +++--- include/asm-x86/mmu.h | 6 +++--- include/asm-x86/mmu_context.h | 6 +++--- include/asm-x86/mmu_context_32.h | 6 +++--- include/asm-x86/mmu_context_64.h | 6 +++--- include/asm-x86/mmx.h | 6 +++--- include/asm-x86/mmzone_32.h | 6 +++--- include/asm-x86/mmzone_64.h | 6 +++--- include/asm-x86/module.h | 6 +++--- include/asm-x86/mpspec.h | 6 +++--- include/asm-x86/mpspec_def.h | 6 +++--- include/asm-x86/msgbuf.h | 6 +++--- include/asm-x86/msidef.h | 6 +++--- include/asm-x86/msr-index.h | 6 +++--- include/asm-x86/msr.h | 6 +++--- include/asm-x86/mtrr.h | 6 +++--- include/asm-x86/mutex_32.h | 6 +++--- include/asm-x86/mutex_64.h | 6 +++--- include/asm-x86/namei.h | 6 +++--- include/asm-x86/nmi.h | 6 +++--- include/asm-x86/nops.h | 6 +++--- include/asm-x86/numa_32.h | 6 +++--- include/asm-x86/numa_64.h | 6 +++--- include/asm-x86/numaq.h | 6 +++--- include/asm-x86/olpc.h | 6 +++--- include/asm-x86/page.h | 6 +++--- include/asm-x86/page_32.h | 6 +++--- include/asm-x86/page_64.h | 6 +++--- include/asm-x86/param.h | 6 +++--- include/asm-x86/paravirt.h | 6 +++--- include/asm-x86/parport.h | 6 +++--- include/asm-x86/pat.h | 6 +++--- include/asm-x86/pci-direct.h | 6 +++--- include/asm-x86/pci.h | 6 +++--- include/asm-x86/pci_32.h | 6 +++--- include/asm-x86/pci_64.h | 6 +++--- include/asm-x86/pda.h | 6 +++--- include/asm-x86/percpu.h | 6 +++--- include/asm-x86/pgalloc.h | 6 +++--- include/asm-x86/pgtable-2level-defs.h | 6 +++--- include/asm-x86/pgtable-2level.h | 6 +++--- include/asm-x86/pgtable-3level-defs.h | 6 +++--- include/asm-x86/pgtable-3level.h | 6 +++--- include/asm-x86/pgtable.h | 6 +++--- include/asm-x86/pgtable_32.h | 6 +++--- include/asm-x86/pgtable_64.h | 6 +++--- include/asm-x86/posix_types_32.h | 6 +++--- include/asm-x86/posix_types_64.h | 6 +++--- include/asm-x86/prctl.h | 6 +++--- include/asm-x86/processor-flags.h | 6 +++--- include/asm-x86/processor.h | 6 +++--- include/asm-x86/proto.h | 6 +++--- include/asm-x86/ptrace-abi.h | 6 +++--- include/asm-x86/ptrace.h | 6 +++--- include/asm-x86/pvclock-abi.h | 6 +++--- include/asm-x86/pvclock.h | 6 +++--- include/asm-x86/reboot.h | 6 +++--- include/asm-x86/reboot_fixups.h | 6 +++--- include/asm-x86/required-features.h | 6 +++--- include/asm-x86/resume-trace.h | 6 +++--- include/asm-x86/rio.h | 6 +++--- include/asm-x86/rwlock.h | 6 +++--- include/asm-x86/rwsem.h | 6 +++--- include/asm-x86/scatterlist.h | 6 +++--- include/asm-x86/seccomp_32.h | 6 +++--- include/asm-x86/seccomp_64.h | 6 +++--- include/asm-x86/segment.h | 6 +++--- include/asm-x86/sembuf.h | 6 +++--- include/asm-x86/serial.h | 6 +++--- include/asm-x86/setup.h | 6 +++--- include/asm-x86/shmbuf.h | 6 +++--- include/asm-x86/shmparam.h | 6 +++--- include/asm-x86/sigcontext.h | 6 +++--- include/asm-x86/sigcontext32.h | 6 +++--- include/asm-x86/siginfo.h | 6 +++--- include/asm-x86/signal.h | 6 +++--- include/asm-x86/smp.h | 6 +++--- include/asm-x86/socket.h | 6 +++--- include/asm-x86/sockios.h | 6 +++--- include/asm-x86/sparsemem.h | 6 +++--- include/asm-x86/spinlock.h | 6 +++--- include/asm-x86/spinlock_types.h | 6 +++--- include/asm-x86/srat.h | 6 +++--- include/asm-x86/stacktrace.h | 6 +++--- include/asm-x86/stat.h | 6 +++--- include/asm-x86/statfs.h | 6 +++--- include/asm-x86/string_32.h | 6 +++--- include/asm-x86/string_64.h | 6 +++--- include/asm-x86/suspend_32.h | 6 +++--- include/asm-x86/suspend_64.h | 6 +++--- include/asm-x86/swiotlb.h | 6 +++--- include/asm-x86/sync_bitops.h | 6 +++--- include/asm-x86/system.h | 6 +++--- include/asm-x86/system_64.h | 6 +++--- include/asm-x86/tce.h | 6 +++--- include/asm-x86/termbits.h | 6 +++--- include/asm-x86/termios.h | 6 +++--- include/asm-x86/therm_throt.h | 6 +++--- include/asm-x86/thread_info.h | 6 +++--- include/asm-x86/time.h | 6 +++--- include/asm-x86/timer.h | 6 +++--- include/asm-x86/timex.h | 6 +++--- include/asm-x86/tlb.h | 6 +++--- include/asm-x86/tlbflush.h | 6 +++--- include/asm-x86/topology.h | 6 +++--- include/asm-x86/trampoline.h | 6 +++--- include/asm-x86/traps.h | 6 +++--- include/asm-x86/tsc.h | 6 +++--- include/asm-x86/types.h | 6 +++--- include/asm-x86/uaccess.h | 6 +++--- include/asm-x86/uaccess_32.h | 6 +++--- include/asm-x86/uaccess_64.h | 6 +++--- include/asm-x86/ucontext.h | 6 +++--- include/asm-x86/unaligned.h | 6 +++--- include/asm-x86/unistd_32.h | 6 +++--- include/asm-x86/unwind.h | 6 +++--- include/asm-x86/user32.h | 6 +++--- include/asm-x86/user_32.h | 6 +++--- include/asm-x86/user_64.h | 6 +++--- include/asm-x86/uv/bios.h | 6 +++--- include/asm-x86/uv/uv_bau.h | 6 +++--- include/asm-x86/uv/uv_hub.h | 6 +++--- include/asm-x86/uv/uv_mmrs.h | 6 +++--- include/asm-x86/vdso.h | 6 +++--- include/asm-x86/vga.h | 6 +++--- include/asm-x86/vgtod.h | 6 +++--- include/asm-x86/visws/cobalt.h | 6 +++--- include/asm-x86/visws/lithium.h | 6 +++--- include/asm-x86/visws/piix4.h | 6 +++--- include/asm-x86/vm86.h | 6 +++--- include/asm-x86/vmi_time.h | 6 +++--- include/asm-x86/vsyscall.h | 6 +++--- include/asm-x86/xen/events.h | 6 +++--- include/asm-x86/xen/grant_table.h | 6 +++--- include/asm-x86/xen/hypercall.h | 6 +++--- include/asm-x86/xen/hypervisor.h | 6 +++--- include/asm-x86/xen/interface.h | 6 +++--- include/asm-x86/xen/interface_32.h | 6 +++--- include/asm-x86/xen/interface_64.h | 6 +++--- include/asm-x86/xen/page.h | 6 +++--- 282 files changed, 846 insertions(+), 846 deletions(-) diff --git a/include/asm-x86/a.out-core.h b/include/asm-x86/a.out-core.h index 714207a1c387..f5705761a37b 100644 --- a/include/asm-x86/a.out-core.h +++ b/include/asm-x86/a.out-core.h @@ -9,8 +9,8 @@ * 2 of the Licence, or (at your option) any later version. */ -#ifndef _ASM_A_OUT_CORE_H -#define _ASM_A_OUT_CORE_H +#ifndef ASM_X86__A_OUT_CORE_H +#define ASM_X86__A_OUT_CORE_H #ifdef __KERNEL__ #ifdef CONFIG_X86_32 @@ -70,4 +70,4 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) #endif /* CONFIG_X86_32 */ #endif /* __KERNEL__ */ -#endif /* _ASM_A_OUT_CORE_H */ +#endif /* ASM_X86__A_OUT_CORE_H */ diff --git a/include/asm-x86/a.out.h b/include/asm-x86/a.out.h index 4684f97a5bbd..0948748bc69c 100644 --- a/include/asm-x86/a.out.h +++ b/include/asm-x86/a.out.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_A_OUT_H -#define _ASM_X86_A_OUT_H +#ifndef ASM_X86__A_OUT_H +#define ASM_X86__A_OUT_H struct exec { @@ -17,4 +17,4 @@ struct exec #define N_DRSIZE(a) ((a).a_drsize) #define N_SYMSIZE(a) ((a).a_syms) -#endif /* _ASM_X86_A_OUT_H */ +#endif /* ASM_X86__A_OUT_H */ diff --git a/include/asm-x86/acpi.h b/include/asm-x86/acpi.h index 635d764dc13e..bd76299586b3 100644 --- a/include/asm-x86/acpi.h +++ b/include/asm-x86/acpi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_ACPI_H -#define _ASM_X86_ACPI_H +#ifndef ASM_X86__ACPI_H +#define ASM_X86__ACPI_H /* * Copyright (C) 2001 Paul Diefenbaugh @@ -173,4 +173,4 @@ static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, #define acpi_unlazy_tlb(x) leave_mm(x) -#endif /*__X86_ASM_ACPI_H*/ +#endif /* ASM_X86__ACPI_H */ diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h index e4004a9f6a9a..3617fd4fcdf9 100644 --- a/include/asm-x86/agp.h +++ b/include/asm-x86/agp.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_AGP_H -#define _ASM_X86_AGP_H +#ifndef ASM_X86__AGP_H +#define ASM_X86__AGP_H #include #include @@ -32,4 +32,4 @@ #define free_gatt_pages(table, order) \ free_pages((unsigned long)(table), (order)) -#endif +#endif /* ASM_X86__AGP_H */ diff --git a/include/asm-x86/alternative.h b/include/asm-x86/alternative.h index f6aa18eadf71..22d3c9862bf3 100644 --- a/include/asm-x86/alternative.h +++ b/include/asm-x86/alternative.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_ALTERNATIVE_H -#define _ASM_X86_ALTERNATIVE_H +#ifndef ASM_X86__ALTERNATIVE_H +#define ASM_X86__ALTERNATIVE_H #include #include @@ -180,4 +180,4 @@ extern void add_nops(void *insns, unsigned int len); extern void *text_poke(void *addr, const void *opcode, size_t len); extern void *text_poke_early(void *addr, const void *opcode, size_t len); -#endif /* _ASM_X86_ALTERNATIVE_H */ +#endif /* ASM_X86__ALTERNATIVE_H */ diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h index 30a12049353b..783f43e58052 100644 --- a/include/asm-x86/amd_iommu.h +++ b/include/asm-x86/amd_iommu.h @@ -17,8 +17,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef _ASM_X86_AMD_IOMMU_H -#define _ASM_X86_AMD_IOMMU_H +#ifndef ASM_X86__AMD_IOMMU_H +#define ASM_X86__AMD_IOMMU_H #ifdef CONFIG_AMD_IOMMU extern int amd_iommu_init(void); @@ -29,4 +29,4 @@ static inline int amd_iommu_init(void) { return -ENODEV; } static inline void amd_iommu_detect(void) { } #endif -#endif +#endif /* ASM_X86__AMD_IOMMU_H */ diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 22aa58ca1991..e6b4d5b08370 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -17,8 +17,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef __AMD_IOMMU_TYPES_H__ -#define __AMD_IOMMU_TYPES_H__ +#ifndef ASM_X86__AMD_IOMMU_TYPES_H +#define ASM_X86__AMD_IOMMU_TYPES_H #include #include @@ -339,4 +339,4 @@ static inline u16 calc_devid(u8 bus, u8 devfn) return (((u16)bus) << 8) | devfn; } -#endif +#endif /* ASM_X86__AMD_IOMMU_TYPES_H */ diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 133c998161ca..d0ace3d63a2d 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_APIC_H -#define _ASM_X86_APIC_H +#ifndef ASM_X86__APIC_H +#define ASM_X86__APIC_H #include #include @@ -128,4 +128,4 @@ static inline void init_apic_mappings(void) { } #endif /* !CONFIG_X86_LOCAL_APIC */ -#endif /* __ASM_APIC_H */ +#endif /* ASM_X86__APIC_H */ diff --git a/include/asm-x86/apicdef.h b/include/asm-x86/apicdef.h index 6b9008c78731..c40687da20fc 100644 --- a/include/asm-x86/apicdef.h +++ b/include/asm-x86/apicdef.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_APICDEF_H -#define _ASM_X86_APICDEF_H +#ifndef ASM_X86__APICDEF_H +#define ASM_X86__APICDEF_H /* * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) @@ -411,4 +411,4 @@ struct local_apic { #else #define BAD_APICID 0xFFFFu #endif -#endif +#endif /* ASM_X86__APICDEF_H */ diff --git a/include/asm-x86/arch_hooks.h b/include/asm-x86/arch_hooks.h index 8411750ceb63..72adc3a109cc 100644 --- a/include/asm-x86/arch_hooks.h +++ b/include/asm-x86/arch_hooks.h @@ -1,5 +1,5 @@ -#ifndef _ASM_ARCH_HOOKS_H -#define _ASM_ARCH_HOOKS_H +#ifndef ASM_X86__ARCH_HOOKS_H +#define ASM_X86__ARCH_HOOKS_H #include @@ -25,4 +25,4 @@ extern void pre_time_init_hook(void); extern void time_init_hook(void); extern void mca_nmi_hook(void); -#endif +#endif /* ASM_X86__ARCH_HOOKS_H */ diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h index 97220321f39d..2439ae49e8ac 100644 --- a/include/asm-x86/asm.h +++ b/include/asm-x86/asm.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_ASM_H -#define _ASM_X86_ASM_H +#ifndef ASM_X86__ASM_H +#define ASM_X86__ASM_H #ifdef __ASSEMBLY__ # define __ASM_FORM(x) x @@ -39,4 +39,4 @@ _ASM_PTR #from "," #to "\n" \ " .previous\n" -#endif /* _ASM_X86_ASM_H */ +#endif /* ASM_X86__ASM_H */ diff --git a/include/asm-x86/atomic_32.h b/include/asm-x86/atomic_32.h index 21a4825148c0..14d3f0beb889 100644 --- a/include/asm-x86/atomic_32.h +++ b/include/asm-x86/atomic_32.h @@ -1,5 +1,5 @@ -#ifndef __ARCH_I386_ATOMIC__ -#define __ARCH_I386_ATOMIC__ +#ifndef ASM_X86__ATOMIC_32_H +#define ASM_X86__ATOMIC_32_H #include #include @@ -256,4 +256,4 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__after_atomic_inc() barrier() #include -#endif +#endif /* ASM_X86__ATOMIC_32_H */ diff --git a/include/asm-x86/atomic_64.h b/include/asm-x86/atomic_64.h index a0095191c02e..ebbc753af6ab 100644 --- a/include/asm-x86/atomic_64.h +++ b/include/asm-x86/atomic_64.h @@ -1,5 +1,5 @@ -#ifndef __ARCH_X86_64_ATOMIC__ -#define __ARCH_X86_64_ATOMIC__ +#ifndef ASM_X86__ATOMIC_64_H +#define ASM_X86__ATOMIC_64_H #include #include @@ -470,4 +470,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2) #define smp_mb__after_atomic_inc() barrier() #include -#endif +#endif /* ASM_X86__ATOMIC_64_H */ diff --git a/include/asm-x86/auxvec.h b/include/asm-x86/auxvec.h index 87f5e6d5a020..12c7cac74202 100644 --- a/include/asm-x86/auxvec.h +++ b/include/asm-x86/auxvec.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_AUXVEC_H -#define _ASM_X86_AUXVEC_H +#ifndef ASM_X86__AUXVEC_H +#define ASM_X86__AUXVEC_H /* * Architecture-neutral AT_ values in 0-17, leave some room * for more of them, start the x86-specific ones at 32. @@ -9,4 +9,4 @@ #endif #define AT_SYSINFO_EHDR 33 -#endif +#endif /* ASM_X86__AUXVEC_H */ diff --git a/include/asm-x86/bios_ebda.h b/include/asm-x86/bios_ebda.h index 0033e50c13b2..ec42ed874591 100644 --- a/include/asm-x86/bios_ebda.h +++ b/include/asm-x86/bios_ebda.h @@ -1,5 +1,5 @@ -#ifndef _MACH_BIOS_EBDA_H -#define _MACH_BIOS_EBDA_H +#ifndef ASM_X86__BIOS_EBDA_H +#define ASM_X86__BIOS_EBDA_H #include @@ -16,4 +16,4 @@ static inline unsigned int get_bios_ebda(void) void reserve_ebda_region(void); -#endif /* _MACH_BIOS_EBDA_H */ +#endif /* ASM_X86__BIOS_EBDA_H */ diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h index cfb2b64f76e7..61989b93b475 100644 --- a/include/asm-x86/bitops.h +++ b/include/asm-x86/bitops.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_BITOPS_H -#define _ASM_X86_BITOPS_H +#ifndef ASM_X86__BITOPS_H +#define ASM_X86__BITOPS_H /* * Copyright 1992, Linus Torvalds. @@ -458,4 +458,4 @@ static inline void set_bit_string(unsigned long *bitmap, #include #endif /* __KERNEL__ */ -#endif /* _ASM_X86_BITOPS_H */ +#endif /* ASM_X86__BITOPS_H */ diff --git a/include/asm-x86/boot.h b/include/asm-x86/boot.h index 2faed7ecb092..825de5dc867c 100644 --- a/include/asm-x86/boot.h +++ b/include/asm-x86/boot.h @@ -1,5 +1,5 @@ -#ifndef _ASM_BOOT_H -#define _ASM_BOOT_H +#ifndef ASM_X86__BOOT_H +#define ASM_X86__BOOT_H /* Don't touch these, unless you really know what you're doing. */ #define DEF_INITSEG 0x9000 @@ -25,4 +25,4 @@ #define BOOT_STACK_SIZE 0x1000 #endif -#endif /* _ASM_BOOT_H */ +#endif /* ASM_X86__BOOT_H */ diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h index ae22bdf0ab14..ccf027e2d97d 100644 --- a/include/asm-x86/bootparam.h +++ b/include/asm-x86/bootparam.h @@ -1,5 +1,5 @@ -#ifndef _ASM_BOOTPARAM_H -#define _ASM_BOOTPARAM_H +#ifndef ASM_X86__BOOTPARAM_H +#define ASM_X86__BOOTPARAM_H #include #include @@ -108,4 +108,4 @@ struct boot_params { __u8 _pad9[276]; /* 0xeec */ } __attribute__((packed)); -#endif /* _ASM_BOOTPARAM_H */ +#endif /* ASM_X86__BOOTPARAM_H */ diff --git a/include/asm-x86/bug.h b/include/asm-x86/bug.h index b69aa64b82a4..91ad43a54c47 100644 --- a/include/asm-x86/bug.h +++ b/include/asm-x86/bug.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_BUG_H -#define _ASM_X86_BUG_H +#ifndef ASM_X86__BUG_H +#define ASM_X86__BUG_H #ifdef CONFIG_BUG #define HAVE_ARCH_BUG @@ -36,4 +36,4 @@ do { \ #endif /* !CONFIG_BUG */ #include -#endif +#endif /* ASM_X86__BUG_H */ diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h index 021cbdd5f258..4761c461d23a 100644 --- a/include/asm-x86/bugs.h +++ b/include/asm-x86/bugs.h @@ -1,7 +1,7 @@ -#ifndef _ASM_X86_BUGS_H -#define _ASM_X86_BUGS_H +#ifndef ASM_X86__BUGS_H +#define ASM_X86__BUGS_H extern void check_bugs(void); int ppro_with_ram_bug(void); -#endif /* _ASM_X86_BUGS_H */ +#endif /* ASM_X86__BUGS_H */ diff --git a/include/asm-x86/byteorder.h b/include/asm-x86/byteorder.h index e02ae2d89acf..722f27d68105 100644 --- a/include/asm-x86/byteorder.h +++ b/include/asm-x86/byteorder.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_BYTEORDER_H -#define _ASM_X86_BYTEORDER_H +#ifndef ASM_X86__BYTEORDER_H +#define ASM_X86__BYTEORDER_H #include #include @@ -78,4 +78,4 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) #include -#endif /* _ASM_X86_BYTEORDER_H */ +#endif /* ASM_X86__BYTEORDER_H */ diff --git a/include/asm-x86/cache.h b/include/asm-x86/cache.h index 1e0bac86f38f..ea3f1cc06a97 100644 --- a/include/asm-x86/cache.h +++ b/include/asm-x86/cache.h @@ -1,5 +1,5 @@ -#ifndef _ARCH_X86_CACHE_H -#define _ARCH_X86_CACHE_H +#ifndef ASM_X86__CACHE_H +#define ASM_X86__CACHE_H /* L1 cache line size */ #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) @@ -17,4 +17,4 @@ #endif #endif -#endif +#endif /* ASM_X86__CACHE_H */ diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index f4c0ab50d2c2..59859cb28a36 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_CACHEFLUSH_H -#define _ASM_X86_CACHEFLUSH_H +#ifndef ASM_X86__CACHEFLUSH_H +#define ASM_X86__CACHEFLUSH_H /* Keep includes the same across arches. */ #include @@ -112,4 +112,4 @@ static inline int rodata_test(void) } #endif -#endif +#endif /* ASM_X86__CACHEFLUSH_H */ diff --git a/include/asm-x86/calgary.h b/include/asm-x86/calgary.h index 67f60406e2d8..933fd272f826 100644 --- a/include/asm-x86/calgary.h +++ b/include/asm-x86/calgary.h @@ -21,8 +21,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef _ASM_X86_64_CALGARY_H -#define _ASM_X86_64_CALGARY_H +#ifndef ASM_X86__CALGARY_H +#define ASM_X86__CALGARY_H #include #include @@ -69,4 +69,4 @@ static inline int calgary_iommu_init(void) { return 1; } static inline void detect_calgary(void) { return; } #endif -#endif /* _ASM_X86_64_CALGARY_H */ +#endif /* ASM_X86__CALGARY_H */ diff --git a/include/asm-x86/checksum_32.h b/include/asm-x86/checksum_32.h index 52bbb0d8c4c1..d041e8cda227 100644 --- a/include/asm-x86/checksum_32.h +++ b/include/asm-x86/checksum_32.h @@ -1,5 +1,5 @@ -#ifndef _I386_CHECKSUM_H -#define _I386_CHECKSUM_H +#ifndef ASM_X86__CHECKSUM_32_H +#define ASM_X86__CHECKSUM_32_H #include @@ -186,4 +186,4 @@ static inline __wsum csum_and_copy_to_user(const void *src, return (__force __wsum)-1; /* invalid checksum */ } -#endif +#endif /* ASM_X86__CHECKSUM_32_H */ diff --git a/include/asm-x86/checksum_64.h b/include/asm-x86/checksum_64.h index 8bd861cc5267..110f403beb89 100644 --- a/include/asm-x86/checksum_64.h +++ b/include/asm-x86/checksum_64.h @@ -1,5 +1,5 @@ -#ifndef _X86_64_CHECKSUM_H -#define _X86_64_CHECKSUM_H +#ifndef ASM_X86__CHECKSUM_64_H +#define ASM_X86__CHECKSUM_64_H /* * Checksums for x86-64 @@ -188,4 +188,4 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b) return a; } -#endif +#endif /* ASM_X86__CHECKSUM_64_H */ diff --git a/include/asm-x86/cmpxchg_32.h b/include/asm-x86/cmpxchg_32.h index bf5a69d1329e..0622e45cdf7c 100644 --- a/include/asm-x86/cmpxchg_32.h +++ b/include/asm-x86/cmpxchg_32.h @@ -1,5 +1,5 @@ -#ifndef __ASM_CMPXCHG_H -#define __ASM_CMPXCHG_H +#ifndef ASM_X86__CMPXCHG_32_H +#define ASM_X86__CMPXCHG_32_H #include /* for LOCK_PREFIX */ @@ -341,4 +341,4 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64); #endif -#endif +#endif /* ASM_X86__CMPXCHG_32_H */ diff --git a/include/asm-x86/cmpxchg_64.h b/include/asm-x86/cmpxchg_64.h index 17463ccf8166..63c1a5e61b99 100644 --- a/include/asm-x86/cmpxchg_64.h +++ b/include/asm-x86/cmpxchg_64.h @@ -1,5 +1,5 @@ -#ifndef __ASM_CMPXCHG_H -#define __ASM_CMPXCHG_H +#ifndef ASM_X86__CMPXCHG_64_H +#define ASM_X86__CMPXCHG_64_H #include /* Provides LOCK_PREFIX */ @@ -182,4 +182,4 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, cmpxchg_local((ptr), (o), (n)); \ }) -#endif +#endif /* ASM_X86__CMPXCHG_64_H */ diff --git a/include/asm-x86/compat.h b/include/asm-x86/compat.h index 1793ac317a30..6732b150949e 100644 --- a/include/asm-x86/compat.h +++ b/include/asm-x86/compat.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_COMPAT_H -#define _ASM_X86_64_COMPAT_H +#ifndef ASM_X86__COMPAT_H +#define ASM_X86__COMPAT_H /* * Architecture specific compatibility types @@ -215,4 +215,4 @@ static inline int is_compat_task(void) return current_thread_info()->status & TS_COMPAT; } -#endif /* _ASM_X86_64_COMPAT_H */ +#endif /* ASM_X86__COMPAT_H */ diff --git a/include/asm-x86/cpu.h b/include/asm-x86/cpu.h index 73f2ea84fd74..83a115083f0d 100644 --- a/include/asm-x86/cpu.h +++ b/include/asm-x86/cpu.h @@ -1,5 +1,5 @@ -#ifndef _ASM_I386_CPU_H_ -#define _ASM_I386_CPU_H_ +#ifndef ASM_X86__CPU_H +#define ASM_X86__CPU_H #include #include @@ -17,4 +17,4 @@ extern void arch_unregister_cpu(int); #endif DECLARE_PER_CPU(int, cpu_state); -#endif /* _ASM_I386_CPU_H_ */ +#endif /* ASM_X86__CPU_H */ diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 2f5a792b0acc..2f3143e45149 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -1,8 +1,8 @@ /* * Defines x86 CPU feature bits */ -#ifndef _ASM_X86_CPUFEATURE_H -#define _ASM_X86_CPUFEATURE_H +#ifndef ASM_X86__CPUFEATURE_H +#define ASM_X86__CPUFEATURE_H #include @@ -220,4 +220,4 @@ extern const char * const x86_power_flags[32]; #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ -#endif /* _ASM_X86_CPUFEATURE_H */ +#endif /* ASM_X86__CPUFEATURE_H */ diff --git a/include/asm-x86/current.h b/include/asm-x86/current.h index 7515c19d4988..a863ead856f3 100644 --- a/include/asm-x86/current.h +++ b/include/asm-x86/current.h @@ -1,5 +1,5 @@ -#ifndef _X86_CURRENT_H -#define _X86_CURRENT_H +#ifndef ASM_X86__CURRENT_H +#define ASM_X86__CURRENT_H #ifdef CONFIG_X86_32 #include @@ -36,4 +36,4 @@ static __always_inline struct task_struct *get_current(void) #define current get_current() -#endif /* X86_CURRENT_H */ +#endif /* ASM_X86__CURRENT_H */ diff --git a/include/asm-x86/debugreg.h b/include/asm-x86/debugreg.h index c6344d572b03..ecb6907c3ea4 100644 --- a/include/asm-x86/debugreg.h +++ b/include/asm-x86/debugreg.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_DEBUGREG_H -#define _ASM_X86_DEBUGREG_H +#ifndef ASM_X86__DEBUGREG_H +#define ASM_X86__DEBUGREG_H /* Indicate the register numbers for a number of the specific @@ -67,4 +67,4 @@ #define DR_LOCAL_SLOWDOWN (0x100) /* Local slow the pipeline */ #define DR_GLOBAL_SLOWDOWN (0x200) /* Global slow the pipeline */ -#endif +#endif /* ASM_X86__DEBUGREG_H */ diff --git a/include/asm-x86/delay.h b/include/asm-x86/delay.h index 409a649204aa..8a0da95b4fc5 100644 --- a/include/asm-x86/delay.h +++ b/include/asm-x86/delay.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_DELAY_H -#define _ASM_X86_DELAY_H +#ifndef ASM_X86__DELAY_H +#define ASM_X86__DELAY_H /* * Copyright (C) 1993 Linus Torvalds @@ -28,4 +28,4 @@ extern void __delay(unsigned long loops); void use_tsc_delay(void); -#endif /* _ASM_X86_DELAY_H */ +#endif /* ASM_X86__DELAY_H */ diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h index f7bacf357dac..b881db664b46 100644 --- a/include/asm-x86/desc_defs.h +++ b/include/asm-x86/desc_defs.h @@ -1,6 +1,6 @@ /* Written 2000 by Andi Kleen */ -#ifndef __ARCH_DESC_DEFS_H -#define __ARCH_DESC_DEFS_H +#ifndef ASM_X86__DESC_DEFS_H +#define ASM_X86__DESC_DEFS_H /* * Segment descriptor structure definitions, usable from both x86_64 and i386 @@ -92,4 +92,4 @@ struct desc_ptr { #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__DESC_DEFS_H */ diff --git a/include/asm-x86/device.h b/include/asm-x86/device.h index 87a715367a1b..dbe885543895 100644 --- a/include/asm-x86/device.h +++ b/include/asm-x86/device.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_DEVICE_H -#define _ASM_X86_DEVICE_H +#ifndef ASM_X86__DEVICE_H +#define ASM_X86__DEVICE_H struct dev_archdata { #ifdef CONFIG_ACPI @@ -10,4 +10,4 @@ struct dev_archdata { #endif }; -#endif /* _ASM_X86_DEVICE_H */ +#endif /* ASM_X86__DEVICE_H */ diff --git a/include/asm-x86/div64.h b/include/asm-x86/div64.h index 9a2d644c08ef..f9530f23f1d6 100644 --- a/include/asm-x86/div64.h +++ b/include/asm-x86/div64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_DIV64_H -#define _ASM_X86_DIV64_H +#ifndef ASM_X86__DIV64_H +#define ASM_X86__DIV64_H #ifdef CONFIG_X86_32 @@ -57,4 +57,4 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) # include #endif /* CONFIG_X86_32 */ -#endif /* _ASM_X86_DIV64_H */ +#endif /* ASM_X86__DIV64_H */ diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index c2ddd3d1b883..71b6f7d22e9a 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -1,5 +1,5 @@ -#ifndef _ASM_DMA_MAPPING_H_ -#define _ASM_DMA_MAPPING_H_ +#ifndef ASM_X86__DMA_MAPPING_H +#define ASM_X86__DMA_MAPPING_H /* * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for @@ -233,4 +233,4 @@ extern void * dma_mark_declared_memory_occupied(struct device *dev, dma_addr_t device_addr, size_t size); #endif /* CONFIG_X86_32 */ -#endif +#endif /* ASM_X86__DMA_MAPPING_H */ diff --git a/include/asm-x86/dma.h b/include/asm-x86/dma.h index ca1098a7e580..c9f7a4eec555 100644 --- a/include/asm-x86/dma.h +++ b/include/asm-x86/dma.h @@ -5,8 +5,8 @@ * and John Boyd, Nov. 1992. */ -#ifndef _ASM_X86_DMA_H -#define _ASM_X86_DMA_H +#ifndef ASM_X86__DMA_H +#define ASM_X86__DMA_H #include /* And spinlocks */ #include /* need byte IO */ @@ -315,4 +315,4 @@ extern int isa_dma_bridge_buggy; #define isa_dma_bridge_buggy (0) #endif -#endif /* _ASM_X86_DMA_H */ +#endif /* ASM_X86__DMA_H */ diff --git a/include/asm-x86/dmi.h b/include/asm-x86/dmi.h index 58a86571fe0f..1cff6fe81fa5 100644 --- a/include/asm-x86/dmi.h +++ b/include/asm-x86/dmi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_DMI_H -#define _ASM_X86_DMI_H +#ifndef ASM_X86__DMI_H +#define ASM_X86__DMI_H #include @@ -23,4 +23,4 @@ static inline void *dmi_alloc(unsigned len) #define dmi_ioremap early_ioremap #define dmi_iounmap early_iounmap -#endif +#endif /* ASM_X86__DMI_H */ diff --git a/include/asm-x86/ds.h b/include/asm-x86/ds.h index 7881368142fa..6b27c686fa10 100644 --- a/include/asm-x86/ds.h +++ b/include/asm-x86/ds.h @@ -17,8 +17,8 @@ * Markus Metzger , Dec 2007 */ -#ifndef _ASM_X86_DS_H -#define _ASM_X86_DS_H +#ifndef ASM_X86__DS_H +#define ASM_X86__DS_H #include #include @@ -69,4 +69,4 @@ extern int ds_write_bts(void *, const struct bts_struct *); extern unsigned long ds_debugctl_mask(void); extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *c); -#endif /* _ASM_X86_DS_H */ +#endif /* ASM_X86__DS_H */ diff --git a/include/asm-x86/dwarf2.h b/include/asm-x86/dwarf2.h index 738bb9fb3e53..21d1bc32ad7c 100644 --- a/include/asm-x86/dwarf2.h +++ b/include/asm-x86/dwarf2.h @@ -1,5 +1,5 @@ -#ifndef _DWARF2_H -#define _DWARF2_H +#ifndef ASM_X86__DWARF2_H +#define ASM_X86__DWARF2_H #ifndef __ASSEMBLY__ #warning "asm/dwarf2.h should be only included in pure assembly files" @@ -58,4 +58,4 @@ #endif -#endif +#endif /* ASM_X86__DWARF2_H */ diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index 16a31e2c7c57..38741ac76908 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -1,5 +1,5 @@ -#ifndef __ASM_E820_H -#define __ASM_E820_H +#ifndef ASM_X86__E820_H +#define ASM_X86__E820_H #define E820MAP 0x2d0 /* our map */ #define E820MAX 128 /* number of entries in E820MAP */ @@ -140,4 +140,4 @@ extern char *memory_setup(void); #define HIGH_MEMORY (1024*1024) #endif /* __KERNEL__ */ -#endif /* __ASM_E820_H */ +#endif /* ASM_X86__E820_H */ diff --git a/include/asm-x86/edac.h b/include/asm-x86/edac.h index a8088f63a30e..9493c5b27bbd 100644 --- a/include/asm-x86/edac.h +++ b/include/asm-x86/edac.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_EDAC_H -#define _ASM_X86_EDAC_H +#ifndef ASM_X86__EDAC_H +#define ASM_X86__EDAC_H /* ECC atomic, DMA, SMP and interrupt safe scrub function */ @@ -15,4 +15,4 @@ static inline void atomic_scrub(void *va, u32 size) asm volatile("lock; addl $0, %0"::"m" (*virt_addr)); } -#endif +#endif /* ASM_X86__EDAC_H */ diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h index 7ed2bd7a7f51..69c7b7ab43ec 100644 --- a/include/asm-x86/efi.h +++ b/include/asm-x86/efi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_EFI_H -#define _ASM_X86_EFI_H +#ifndef ASM_X86__EFI_H +#define ASM_X86__EFI_H #ifdef CONFIG_X86_32 @@ -94,4 +94,4 @@ extern void efi_reserve_early(void); extern void efi_call_phys_prelog(void); extern void efi_call_phys_epilog(void); -#endif +#endif /* ASM_X86__EFI_H */ diff --git a/include/asm-x86/elf.h b/include/asm-x86/elf.h index 7be4733c793e..cd678b2d6a74 100644 --- a/include/asm-x86/elf.h +++ b/include/asm-x86/elf.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_ELF_H -#define _ASM_X86_ELF_H +#ifndef ASM_X86__ELF_H +#define ASM_X86__ELF_H /* * ELF register definitions.. @@ -332,4 +332,4 @@ extern int syscall32_setup_pages(struct linux_binprm *, int exstack); extern unsigned long arch_randomize_brk(struct mm_struct *mm); #define arch_randomize_brk arch_randomize_brk -#endif +#endif /* ASM_X86__ELF_H */ diff --git a/include/asm-x86/emergency-restart.h b/include/asm-x86/emergency-restart.h index 8e6aef19f8f0..190d0d8b71e3 100644 --- a/include/asm-x86/emergency-restart.h +++ b/include/asm-x86/emergency-restart.h @@ -1,5 +1,5 @@ -#ifndef _ASM_EMERGENCY_RESTART_H -#define _ASM_EMERGENCY_RESTART_H +#ifndef ASM_X86__EMERGENCY_RESTART_H +#define ASM_X86__EMERGENCY_RESTART_H enum reboot_type { BOOT_TRIPLE = 't', @@ -15,4 +15,4 @@ extern enum reboot_type reboot_type; extern void machine_emergency_restart(void); -#endif /* _ASM_EMERGENCY_RESTART_H */ +#endif /* ASM_X86__EMERGENCY_RESTART_H */ diff --git a/include/asm-x86/fb.h b/include/asm-x86/fb.h index 53018464aea6..aca38dbd9a64 100644 --- a/include/asm-x86/fb.h +++ b/include/asm-x86/fb.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_FB_H -#define _ASM_X86_FB_H +#ifndef ASM_X86__FB_H +#define ASM_X86__FB_H #include #include @@ -18,4 +18,4 @@ extern int fb_is_primary_device(struct fb_info *info); static inline int fb_is_primary_device(struct fb_info *info) { return 0; } #endif -#endif /* _ASM_X86_FB_H */ +#endif /* ASM_X86__FB_H */ diff --git a/include/asm-x86/fixmap.h b/include/asm-x86/fixmap.h index 44d4f8217349..78e33a1bc591 100644 --- a/include/asm-x86/fixmap.h +++ b/include/asm-x86/fixmap.h @@ -1,5 +1,5 @@ -#ifndef _ASM_FIXMAP_H -#define _ASM_FIXMAP_H +#ifndef ASM_X86__FIXMAP_H +#define ASM_X86__FIXMAP_H #ifdef CONFIG_X86_32 # include "fixmap_32.h" @@ -65,4 +65,4 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); return __virt_to_fix(vaddr); } -#endif +#endif /* ASM_X86__FIXMAP_H */ diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h index f1ac2b2167d7..784e3e759866 100644 --- a/include/asm-x86/fixmap_32.h +++ b/include/asm-x86/fixmap_32.h @@ -10,8 +10,8 @@ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 */ -#ifndef _ASM_FIXMAP_32_H -#define _ASM_FIXMAP_32_H +#ifndef ASM_X86__FIXMAP_32_H +#define ASM_X86__FIXMAP_32_H /* used by vmalloc.c, vsyscall.lds.S. @@ -120,4 +120,4 @@ extern void reserve_top_address(unsigned long reserve); #define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE) #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__FIXMAP_32_H */ diff --git a/include/asm-x86/fixmap_64.h b/include/asm-x86/fixmap_64.h index 00f3d74a0524..dafb24bc0424 100644 --- a/include/asm-x86/fixmap_64.h +++ b/include/asm-x86/fixmap_64.h @@ -8,8 +8,8 @@ * Copyright (C) 1998 Ingo Molnar */ -#ifndef _ASM_FIXMAP_64_H -#define _ASM_FIXMAP_64_H +#ifndef ASM_X86__FIXMAP_64_H +#define ASM_X86__FIXMAP_64_H #include #include @@ -80,4 +80,4 @@ enum fixed_addresses { #define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL) #define FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE) -#endif +#endif /* ASM_X86__FIXMAP_64_H */ diff --git a/include/asm-x86/floppy.h b/include/asm-x86/floppy.h index dbe82a5c5eac..7d83a3a83e37 100644 --- a/include/asm-x86/floppy.h +++ b/include/asm-x86/floppy.h @@ -7,8 +7,8 @@ * * Copyright (C) 1995 */ -#ifndef _ASM_X86_FLOPPY_H -#define _ASM_X86_FLOPPY_H +#ifndef ASM_X86__FLOPPY_H +#define ASM_X86__FLOPPY_H #include @@ -278,4 +278,4 @@ static int FDC2 = -1; #define EXTRA_FLOPPY_PARAMS -#endif /* _ASM_X86_FLOPPY_H */ +#endif /* ASM_X86__FLOPPY_H */ diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h index 5c68b32ee1c8..be0e004ad148 100644 --- a/include/asm-x86/ftrace.h +++ b/include/asm-x86/ftrace.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_FTRACE -#define _ASM_X86_FTRACE +#ifndef ASM_X86__FTRACE_H +#define ASM_X86__FTRACE_H #ifdef CONFIG_FTRACE #define MCOUNT_ADDR ((long)(mcount)) @@ -11,4 +11,4 @@ extern void mcount(void); #endif /* CONFIG_FTRACE */ -#endif /* _ASM_X86_FTRACE */ +#endif /* ASM_X86__FTRACE_H */ diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h index e7a76b37b333..45dc24d84186 100644 --- a/include/asm-x86/futex.h +++ b/include/asm-x86/futex.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_FUTEX_H -#define _ASM_X86_FUTEX_H +#ifndef ASM_X86__FUTEX_H +#define ASM_X86__FUTEX_H #ifdef __KERNEL__ @@ -137,4 +137,4 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, } #endif -#endif +#endif /* ASM_X86__FUTEX_H */ diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h index 3f62a83887f3..07f445844146 100644 --- a/include/asm-x86/gart.h +++ b/include/asm-x86/gart.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X8664_GART_H -#define _ASM_X8664_GART_H 1 +#ifndef ASM_X86__GART_H +#define ASM_X86__GART_H #include @@ -68,4 +68,4 @@ static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size) return 1; } -#endif +#endif /* ASM_X86__GART_H */ diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h index b02ea6e17de8..4904c672e4f6 100644 --- a/include/asm-x86/genapic_32.h +++ b/include/asm-x86/genapic_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_GENAPIC_H -#define _ASM_GENAPIC_H 1 +#ifndef ASM_X86__GENAPIC_32_H +#define ASM_X86__GENAPIC_32_H #include @@ -120,4 +120,4 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; #define uv_wakeup_secondary(a, b) 1 -#endif +#endif /* ASM_X86__GENAPIC_32_H */ diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index 0f8504627c41..381a09d19d58 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_GENAPIC_H -#define _ASM_GENAPIC_H 1 +#ifndef ASM_X86__GENAPIC_64_H +#define ASM_X86__GENAPIC_64_H /* * Copyright 2004 James Cleverdon, IBM. @@ -46,4 +46,4 @@ extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip); extern void setup_apic_routing(void); -#endif +#endif /* ASM_X86__GENAPIC_64_H */ diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h index bb06027fc83e..1ef738e01a06 100644 --- a/include/asm-x86/geode.h +++ b/include/asm-x86/geode.h @@ -7,8 +7,8 @@ * as published by the Free Software Foundation. */ -#ifndef _ASM_GEODE_H_ -#define _ASM_GEODE_H_ +#ifndef ASM_X86__GEODE_H +#define ASM_X86__GEODE_H #include #include @@ -249,4 +249,4 @@ extern int __init mfgpt_timer_setup(void); static inline int mfgpt_timer_setup(void) { return 0; } #endif -#endif +#endif /* ASM_X86__GEODE_H */ diff --git a/include/asm-x86/gpio.h b/include/asm-x86/gpio.h index ff87fca0caf9..f269ff9cd40b 100644 --- a/include/asm-x86/gpio.h +++ b/include/asm-x86/gpio.h @@ -1,6 +1,6 @@ -#ifndef _ASM_I386_GPIO_H -#define _ASM_I386_GPIO_H +#ifndef ASM_X86__GPIO_H +#define ASM_X86__GPIO_H #include -#endif /* _ASM_I386_GPIO_H */ +#endif /* ASM_X86__GPIO_H */ diff --git a/include/asm-x86/hardirq_32.h b/include/asm-x86/hardirq_32.h index 4f85f0f4b563..700fe230d919 100644 --- a/include/asm-x86/hardirq_32.h +++ b/include/asm-x86/hardirq_32.h @@ -1,5 +1,5 @@ -#ifndef __ASM_HARDIRQ_H -#define __ASM_HARDIRQ_H +#ifndef ASM_X86__HARDIRQ_32_H +#define ASM_X86__HARDIRQ_32_H #include #include @@ -25,4 +25,4 @@ DECLARE_PER_CPU(irq_cpustat_t, irq_stat); void ack_bad_irq(unsigned int irq); #include -#endif /* __ASM_HARDIRQ_H */ +#endif /* ASM_X86__HARDIRQ_32_H */ diff --git a/include/asm-x86/hardirq_64.h b/include/asm-x86/hardirq_64.h index 95d5e090ed89..f8bd2919a8ce 100644 --- a/include/asm-x86/hardirq_64.h +++ b/include/asm-x86/hardirq_64.h @@ -1,5 +1,5 @@ -#ifndef __ASM_HARDIRQ_H -#define __ASM_HARDIRQ_H +#ifndef ASM_X86__HARDIRQ_64_H +#define ASM_X86__HARDIRQ_64_H #include #include @@ -20,4 +20,4 @@ extern void ack_bad_irq(unsigned int irq); -#endif /* __ASM_HARDIRQ_H */ +#endif /* ASM_X86__HARDIRQ_64_H */ diff --git a/include/asm-x86/highmem.h b/include/asm-x86/highmem.h index 4514b16cc723..bc3f6a280316 100644 --- a/include/asm-x86/highmem.h +++ b/include/asm-x86/highmem.h @@ -15,8 +15,8 @@ * Copyright (C) 1999 Ingo Molnar */ -#ifndef _ASM_HIGHMEM_H -#define _ASM_HIGHMEM_H +#ifndef ASM_X86__HIGHMEM_H +#define ASM_X86__HIGHMEM_H #ifdef __KERNEL__ @@ -79,4 +79,4 @@ extern void add_highpages_with_active_regions(int nid, unsigned long start_pfn, #endif /* __KERNEL__ */ -#endif /* _ASM_HIGHMEM_H */ +#endif /* ASM_X86__HIGHMEM_H */ diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h index 82f1ac641bd7..cbbbb6d4dd32 100644 --- a/include/asm-x86/hpet.h +++ b/include/asm-x86/hpet.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86_HPET_H -#define ASM_X86_HPET_H +#ifndef ASM_X86__HPET_H +#define ASM_X86__HPET_H #ifdef CONFIG_HPET_TIMER @@ -90,4 +90,4 @@ static inline int is_hpet_enabled(void) { return 0; } #define hpet_readl(a) 0 #endif -#endif /* ASM_X86_HPET_H */ +#endif /* ASM_X86__HPET_H */ diff --git a/include/asm-x86/hugetlb.h b/include/asm-x86/hugetlb.h index 14171a4924f6..0e0a0828182b 100644 --- a/include/asm-x86/hugetlb.h +++ b/include/asm-x86/hugetlb.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_HUGETLB_H -#define _ASM_X86_HUGETLB_H +#ifndef ASM_X86__HUGETLB_H +#define ASM_X86__HUGETLB_H #include @@ -88,4 +88,4 @@ static inline void arch_release_hugepage(struct page *page) { } -#endif /* _ASM_X86_HUGETLB_H */ +#endif /* ASM_X86__HUGETLB_H */ diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 77ba51df5668..3f3c465b915f 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -1,5 +1,5 @@ -#ifndef _ASM_HW_IRQ_H -#define _ASM_HW_IRQ_H +#ifndef ASM_X86__HW_IRQ_H +#define ASM_X86__HW_IRQ_H /* * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar @@ -104,4 +104,4 @@ extern void setup_vector_irq(int cpu); #endif /* !ASSEMBLY_ */ -#endif +#endif /* ASM_X86__HW_IRQ_H */ diff --git a/include/asm-x86/hypertransport.h b/include/asm-x86/hypertransport.h index d2bbd238b3e1..cc011a3bc1c2 100644 --- a/include/asm-x86/hypertransport.h +++ b/include/asm-x86/hypertransport.h @@ -1,5 +1,5 @@ -#ifndef ASM_HYPERTRANSPORT_H -#define ASM_HYPERTRANSPORT_H +#ifndef ASM_X86__HYPERTRANSPORT_H +#define ASM_X86__HYPERTRANSPORT_H /* * Constants for x86 Hypertransport Interrupts. @@ -42,4 +42,4 @@ #define HT_IRQ_HIGH_DEST_ID(v) \ ((((v) >> 8) << HT_IRQ_HIGH_DEST_ID_SHIFT) & HT_IRQ_HIGH_DEST_ID_MASK) -#endif /* ASM_HYPERTRANSPORT_H */ +#endif /* ASM_X86__HYPERTRANSPORT_H */ diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 37672f79dcc8..3e83cbb728ae 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -7,8 +7,8 @@ * x86-64 work by Andi Kleen 2002 */ -#ifndef _ASM_X86_I387_H -#define _ASM_X86_I387_H +#ifndef ASM_X86__I387_H +#define ASM_X86__I387_H #include #include @@ -360,4 +360,4 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk) } } -#endif /* _ASM_X86_I387_H */ +#endif /* ASM_X86__I387_H */ diff --git a/include/asm-x86/i8253.h b/include/asm-x86/i8253.h index b51c0487fc41..15a5b530044e 100644 --- a/include/asm-x86/i8253.h +++ b/include/asm-x86/i8253.h @@ -1,5 +1,5 @@ -#ifndef __ASM_I8253_H__ -#define __ASM_I8253_H__ +#ifndef ASM_X86__I8253_H +#define ASM_X86__I8253_H /* i8253A PIT registers */ #define PIT_MODE 0x43 @@ -15,4 +15,4 @@ extern void setup_pit_timer(void); #define inb_pit inb_p #define outb_pit outb_p -#endif /* __ASM_I8253_H__ */ +#endif /* ASM_X86__I8253_H */ diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h index 2f98df91f1f2..c586559a6957 100644 --- a/include/asm-x86/i8259.h +++ b/include/asm-x86/i8259.h @@ -1,5 +1,5 @@ -#ifndef __ASM_I8259_H__ -#define __ASM_I8259_H__ +#ifndef ASM_X86__I8259_H +#define ASM_X86__I8259_H #include @@ -57,4 +57,4 @@ static inline void outb_pic(unsigned char value, unsigned int port) extern struct irq_chip i8259A_chip; -#endif /* __ASM_I8259_H__ */ +#endif /* ASM_X86__I8259_H */ diff --git a/include/asm-x86/ia32.h b/include/asm-x86/ia32.h index 55d3abe5276f..f932f7ad51dd 100644 --- a/include/asm-x86/ia32.h +++ b/include/asm-x86/ia32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_IA32_H -#define _ASM_X86_64_IA32_H +#ifndef ASM_X86__IA32_H +#define ASM_X86__IA32_H #ifdef CONFIG_IA32_EMULATION @@ -167,4 +167,4 @@ extern void ia32_pick_mmap_layout(struct mm_struct *mm); #endif /* !CONFIG_IA32_SUPPORT */ -#endif +#endif /* ASM_X86__IA32_H */ diff --git a/include/asm-x86/ia32_unistd.h b/include/asm-x86/ia32_unistd.h index 61cea9e7c5c1..dbd887d8a5a5 100644 --- a/include/asm-x86/ia32_unistd.h +++ b/include/asm-x86/ia32_unistd.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_IA32_UNISTD_H_ -#define _ASM_X86_64_IA32_UNISTD_H_ +#ifndef ASM_X86__IA32_UNISTD_H +#define ASM_X86__IA32_UNISTD_H /* * This file contains the system call numbers of the ia32 port, @@ -15,4 +15,4 @@ #define __NR_ia32_sigreturn 119 #define __NR_ia32_rt_sigreturn 173 -#endif /* _ASM_X86_64_IA32_UNISTD_H_ */ +#endif /* ASM_X86__IA32_UNISTD_H */ diff --git a/include/asm-x86/ide.h b/include/asm-x86/ide.h index cf9c98e5bdb5..8bf3cdc6bb49 100644 --- a/include/asm-x86/ide.h +++ b/include/asm-x86/ide.h @@ -6,8 +6,8 @@ * This file contains the i386 architecture specific IDE code. */ -#ifndef __ASMi386_IDE_H -#define __ASMi386_IDE_H +#ifndef ASM_X86__IDE_H +#define ASM_X86__IDE_H #ifdef __KERNEL__ @@ -62,4 +62,4 @@ static __inline__ unsigned long ide_default_io_base(int index) #endif /* __KERNEL__ */ -#endif /* __ASMi386_IDE_H */ +#endif /* ASM_X86__IDE_H */ diff --git a/include/asm-x86/idle.h b/include/asm-x86/idle.h index d240e5b30a45..dc9c7944847b 100644 --- a/include/asm-x86/idle.h +++ b/include/asm-x86/idle.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_IDLE_H -#define _ASM_X86_64_IDLE_H 1 +#ifndef ASM_X86__IDLE_H +#define ASM_X86__IDLE_H #define IDLE_START 1 #define IDLE_END 2 @@ -10,4 +10,4 @@ void idle_notifier_register(struct notifier_block *n); void enter_idle(void); void exit_idle(void); -#endif +#endif /* ASM_X86__IDLE_H */ diff --git a/include/asm-x86/intel_arch_perfmon.h b/include/asm-x86/intel_arch_perfmon.h index fa0fd068bc2e..07c03c6c9a16 100644 --- a/include/asm-x86/intel_arch_perfmon.h +++ b/include/asm-x86/intel_arch_perfmon.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_INTEL_ARCH_PERFMON_H -#define _ASM_X86_INTEL_ARCH_PERFMON_H +#ifndef ASM_X86__INTEL_ARCH_PERFMON_H +#define ASM_X86__INTEL_ARCH_PERFMON_H #define MSR_ARCH_PERFMON_PERFCTR0 0xc1 #define MSR_ARCH_PERFMON_PERFCTR1 0xc2 @@ -28,4 +28,4 @@ union cpuid10_eax { unsigned int full; }; -#endif /* _ASM_X86_INTEL_ARCH_PERFMON_H */ +#endif /* ASM_X86__INTEL_ARCH_PERFMON_H */ diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index bf5d629b3a39..1b75a43bb6ce 100644 --- a/include/asm-x86/io.h +++ b/include/asm-x86/io.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_IO_H -#define _ASM_X86_IO_H +#ifndef ASM_X86__IO_H +#define ASM_X86__IO_H #define ARCH_HAS_IOREMAP_WC @@ -99,4 +99,4 @@ extern void early_iounmap(void *addr, unsigned long size); extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); -#endif /* _ASM_X86_IO_H */ +#endif /* ASM_X86__IO_H */ diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h index 4df44ed54077..d9d1e3f269a8 100644 --- a/include/asm-x86/io_32.h +++ b/include/asm-x86/io_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IO_H -#define _ASM_IO_H +#ifndef ASM_X86__IO_32_H +#define ASM_X86__IO_32_H #include #include @@ -279,4 +279,4 @@ BUILDIO(b, b, char) BUILDIO(w, w, short) BUILDIO(l, , int) -#endif +#endif /* ASM_X86__IO_32_H */ diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h index ddd8058a5026..00ac4729e527 100644 --- a/include/asm-x86/io_64.h +++ b/include/asm-x86/io_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IO_H -#define _ASM_IO_H +#ifndef ASM_X86__IO_64_H +#define ASM_X86__IO_64_H /* @@ -243,4 +243,4 @@ extern int iommu_bio_merge; #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__IO_64_H */ diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 14f82bbcb5fd..be62847ab07e 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_IO_APIC_H -#define __ASM_IO_APIC_H +#ifndef ASM_X86__IO_APIC_H +#define ASM_X86__IO_APIC_H #include #include @@ -189,4 +189,4 @@ static const int timer_through_8259 = 0; static inline void ioapic_init_mappings(void) { } #endif -#endif +#endif /* ASM_X86__IO_APIC_H */ diff --git a/include/asm-x86/ioctls.h b/include/asm-x86/ioctls.h index c0c338bd4068..336603512399 100644 --- a/include/asm-x86/ioctls.h +++ b/include/asm-x86/ioctls.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_IOCTLS_H -#define _ASM_X86_IOCTLS_H +#ifndef ASM_X86__IOCTLS_H +#define ASM_X86__IOCTLS_H #include @@ -85,4 +85,4 @@ #define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ -#endif +#endif /* ASM_X86__IOCTLS_H */ diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h index d63166fb3ab7..4f3d212d8270 100644 --- a/include/asm-x86/iommu.h +++ b/include/asm-x86/iommu.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X8664_IOMMU_H -#define _ASM_X8664_IOMMU_H 1 +#ifndef ASM_X86__IOMMU_H +#define ASM_X86__IOMMU_H extern void pci_iommu_shutdown(void); extern void no_iommu_init(void); @@ -39,4 +39,4 @@ static inline void gart_iommu_hole_init(void) } #endif -#endif +#endif /* ASM_X86__IOMMU_H */ diff --git a/include/asm-x86/ipcbuf.h b/include/asm-x86/ipcbuf.h index ee678fd51594..910304fbdc8f 100644 --- a/include/asm-x86/ipcbuf.h +++ b/include/asm-x86/ipcbuf.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_IPCBUF_H -#define _ASM_X86_IPCBUF_H +#ifndef ASM_X86__IPCBUF_H +#define ASM_X86__IPCBUF_H /* * The ipc64_perm structure for x86 architecture. @@ -25,4 +25,4 @@ struct ipc64_perm { unsigned long __unused2; }; -#endif /* _ASM_X86_IPCBUF_H */ +#endif /* ASM_X86__IPCBUF_H */ diff --git a/include/asm-x86/ipi.h b/include/asm-x86/ipi.h index 196d63c28aa4..63390ea87d13 100644 --- a/include/asm-x86/ipi.h +++ b/include/asm-x86/ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_IPI_H -#define __ASM_IPI_H +#ifndef ASM_X86__IPI_H +#define ASM_X86__IPI_H /* * Copyright 2004 James Cleverdon, IBM. @@ -129,4 +129,4 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector) local_irq_restore(flags); } -#endif /* __ASM_IPI_H */ +#endif /* ASM_X86__IPI_H */ diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h index 1a2925757317..1e5f2909c1db 100644 --- a/include/asm-x86/irq.h +++ b/include/asm-x86/irq.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IRQ_H -#define _ASM_IRQ_H +#ifndef ASM_X86__IRQ_H +#define ASM_X86__IRQ_H /* * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar * @@ -47,4 +47,4 @@ extern void native_init_IRQ(void); /* Interrupt vector management */ extern DECLARE_BITMAP(used_vectors, NR_VECTORS); -#endif /* _ASM_IRQ_H */ +#endif /* ASM_X86__IRQ_H */ diff --git a/include/asm-x86/irq_regs_32.h b/include/asm-x86/irq_regs_32.h index 3368b20c0b48..316a3b258871 100644 --- a/include/asm-x86/irq_regs_32.h +++ b/include/asm-x86/irq_regs_32.h @@ -4,8 +4,8 @@ * * Jeremy Fitzhardinge */ -#ifndef _ASM_I386_IRQ_REGS_H -#define _ASM_I386_IRQ_REGS_H +#ifndef ASM_X86__IRQ_REGS_32_H +#define ASM_X86__IRQ_REGS_32_H #include @@ -26,4 +26,4 @@ static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs) return old_regs; } -#endif /* _ASM_I386_IRQ_REGS_H */ +#endif /* ASM_X86__IRQ_REGS_32_H */ diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h index 90b1d1f12f08..646d59f5ebf1 100644 --- a/include/asm-x86/irq_vectors.h +++ b/include/asm-x86/irq_vectors.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IRQ_VECTORS_H -#define _ASM_IRQ_VECTORS_H +#ifndef ASM_X86__IRQ_VECTORS_H +#define ASM_X86__IRQ_VECTORS_H #include @@ -170,4 +170,4 @@ #define VIC_CPU_BOOT_ERRATA_CPI (VIC_CPI_LEVEL0 + 8) -#endif /* _ASM_IRQ_VECTORS_H */ +#endif /* ASM_X86__IRQ_VECTORS_H */ diff --git a/include/asm-x86/ist.h b/include/asm-x86/ist.h index 6ec6ceed95a7..35a2fe9bc921 100644 --- a/include/asm-x86/ist.h +++ b/include/asm-x86/ist.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IST_H -#define _ASM_IST_H +#ifndef ASM_X86__IST_H +#define ASM_X86__IST_H /* * Include file for the interface to IST BIOS @@ -31,4 +31,4 @@ struct ist_info { extern struct ist_info ist_info; #endif /* __KERNEL__ */ -#endif /* _ASM_IST_H */ +#endif /* ASM_X86__IST_H */ diff --git a/include/asm-x86/k8.h b/include/asm-x86/k8.h index 452e2b696ff4..2bbaf4370a55 100644 --- a/include/asm-x86/k8.h +++ b/include/asm-x86/k8.h @@ -1,5 +1,5 @@ -#ifndef _ASM_K8_H -#define _ASM_K8_H 1 +#ifndef ASM_X86__K8_H +#define ASM_X86__K8_H #include @@ -12,4 +12,4 @@ extern int cache_k8_northbridges(void); extern void k8_flush_garts(void); extern int k8_scan_nodes(unsigned long start, unsigned long end); -#endif +#endif /* ASM_X86__K8_H */ diff --git a/include/asm-x86/kdebug.h b/include/asm-x86/kdebug.h index 96651bb59ba1..5ec3ad3e825c 100644 --- a/include/asm-x86/kdebug.h +++ b/include/asm-x86/kdebug.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_KDEBUG_H -#define _ASM_X86_KDEBUG_H +#ifndef ASM_X86__KDEBUG_H +#define ASM_X86__KDEBUG_H #include @@ -35,4 +35,4 @@ extern void show_regs(struct pt_regs *regs); extern unsigned long oops_begin(void); extern void oops_end(unsigned long, struct pt_regs *, int signr); -#endif +#endif /* ASM_X86__KDEBUG_H */ diff --git a/include/asm-x86/kexec.h b/include/asm-x86/kexec.h index 8f855a15f64d..262b63ec9112 100644 --- a/include/asm-x86/kexec.h +++ b/include/asm-x86/kexec.h @@ -1,5 +1,5 @@ -#ifndef _KEXEC_H -#define _KEXEC_H +#ifndef ASM_X86__KEXEC_H +#define ASM_X86__KEXEC_H #ifdef CONFIG_X86_32 # define PA_CONTROL_PAGE 0 @@ -166,4 +166,4 @@ relocate_kernel(unsigned long indirection_page, #endif /* __ASSEMBLY__ */ -#endif /* _KEXEC_H */ +#endif /* ASM_X86__KEXEC_H */ diff --git a/include/asm-x86/kgdb.h b/include/asm-x86/kgdb.h index 484c47554f3b..83a7ee228ab1 100644 --- a/include/asm-x86/kgdb.h +++ b/include/asm-x86/kgdb.h @@ -1,5 +1,5 @@ -#ifndef _ASM_KGDB_H_ -#define _ASM_KGDB_H_ +#ifndef ASM_X86__KGDB_H +#define ASM_X86__KGDB_H /* * Copyright (C) 2001-2004 Amit S. Kale @@ -78,4 +78,4 @@ static inline void arch_kgdb_breakpoint(void) #define BREAK_INSTR_SIZE 1 #define CACHE_FLUSH_IS_SAFE 1 -#endif /* _ASM_KGDB_H_ */ +#endif /* ASM_X86__KGDB_H */ diff --git a/include/asm-x86/kmap_types.h b/include/asm-x86/kmap_types.h index 5f4174132a22..89f44493e643 100644 --- a/include/asm-x86/kmap_types.h +++ b/include/asm-x86/kmap_types.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_KMAP_TYPES_H -#define _ASM_X86_KMAP_TYPES_H +#ifndef ASM_X86__KMAP_TYPES_H +#define ASM_X86__KMAP_TYPES_H #if defined(CONFIG_X86_32) && defined(CONFIG_DEBUG_HIGHMEM) # define D(n) __KM_FENCE_##n , @@ -26,4 +26,4 @@ D(13) KM_TYPE_NR #undef D -#endif +#endif /* ASM_X86__KMAP_TYPES_H */ diff --git a/include/asm-x86/kprobes.h b/include/asm-x86/kprobes.h index 54980b0b3892..bd8407863c13 100644 --- a/include/asm-x86/kprobes.h +++ b/include/asm-x86/kprobes.h @@ -1,5 +1,5 @@ -#ifndef _ASM_KPROBES_H -#define _ASM_KPROBES_H +#ifndef ASM_X86__KPROBES_H +#define ASM_X86__KPROBES_H /* * Kernel Probes (KProbes) * @@ -94,4 +94,4 @@ static inline void restore_interrupts(struct pt_regs *regs) extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); -#endif /* _ASM_KPROBES_H */ +#endif /* ASM_X86__KPROBES_H */ diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h index 6f1840812e59..78e954db1e7f 100644 --- a/include/asm-x86/kvm.h +++ b/include/asm-x86/kvm.h @@ -1,5 +1,5 @@ -#ifndef __LINUX_KVM_X86_H -#define __LINUX_KVM_X86_H +#ifndef ASM_X86__KVM_H +#define ASM_X86__KVM_H /* * KVM x86 specific structures and definitions @@ -230,4 +230,4 @@ struct kvm_pit_state { #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) -#endif +#endif /* ASM_X86__KVM_H */ diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 924e1bfe3a6c..920823d53d6e 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -8,8 +8,8 @@ * */ -#ifndef ASM_KVM_HOST_H -#define ASM_KVM_HOST_H +#ifndef ASM_X86__KVM_HOST_H +#define ASM_X86__KVM_HOST_H #include #include @@ -728,4 +728,4 @@ asmlinkage void kvm_handle_fault_on_reboot(void); KVM_EX_ENTRY " 666b, 667b \n\t" \ ".popsection" -#endif +#endif /* ASM_X86__KVM_HOST_H */ diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h index 76f392146daa..30054fded4fb 100644 --- a/include/asm-x86/kvm_para.h +++ b/include/asm-x86/kvm_para.h @@ -1,5 +1,5 @@ -#ifndef __X86_KVM_PARA_H -#define __X86_KVM_PARA_H +#ifndef ASM_X86__KVM_PARA_H +#define ASM_X86__KVM_PARA_H /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx. It * should be used to determine that a VM is running under KVM. @@ -144,4 +144,4 @@ static inline unsigned int kvm_arch_para_features(void) #endif -#endif +#endif /* ASM_X86__KVM_PARA_H */ diff --git a/include/asm-x86/kvm_x86_emulate.h b/include/asm-x86/kvm_x86_emulate.h index 4e8c1e48d91d..e2d9b030c1ac 100644 --- a/include/asm-x86/kvm_x86_emulate.h +++ b/include/asm-x86/kvm_x86_emulate.h @@ -8,8 +8,8 @@ * From: xen-unstable 10676:af9809f51f81a3c43f276f00c81a52ef558afda4 */ -#ifndef __X86_EMULATE_H__ -#define __X86_EMULATE_H__ +#ifndef ASM_X86__KVM_X86_EMULATE_H +#define ASM_X86__KVM_X86_EMULATE_H struct x86_emulate_ctxt; @@ -181,4 +181,4 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, int x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops); -#endif /* __X86_EMULATE_H__ */ +#endif /* ASM_X86__KVM_X86_EMULATE_H */ diff --git a/include/asm-x86/ldt.h b/include/asm-x86/ldt.h index 20c597242b53..a5228504d867 100644 --- a/include/asm-x86/ldt.h +++ b/include/asm-x86/ldt.h @@ -3,8 +3,8 @@ * * Definitions of structures used with the modify_ldt system call. */ -#ifndef _ASM_X86_LDT_H -#define _ASM_X86_LDT_H +#ifndef ASM_X86__LDT_H +#define ASM_X86__LDT_H /* Maximum number of LDT entries supported. */ #define LDT_ENTRIES 8192 @@ -37,4 +37,4 @@ struct user_desc { #define MODIFY_LDT_CONTENTS_CODE 2 #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__LDT_H */ diff --git a/include/asm-x86/lguest.h b/include/asm-x86/lguest.h index be4a7247fa2b..7505e947ed27 100644 --- a/include/asm-x86/lguest.h +++ b/include/asm-x86/lguest.h @@ -1,5 +1,5 @@ -#ifndef _X86_LGUEST_H -#define _X86_LGUEST_H +#ifndef ASM_X86__LGUEST_H +#define ASM_X86__LGUEST_H #define GDT_ENTRY_LGUEST_CS 10 #define GDT_ENTRY_LGUEST_DS 11 @@ -91,4 +91,4 @@ static inline void lguest_set_ts(void) #endif /* __ASSEMBLY__ */ -#endif +#endif /* ASM_X86__LGUEST_H */ diff --git a/include/asm-x86/lguest_hcall.h b/include/asm-x86/lguest_hcall.h index a3241f28e34a..8f034ba4b53e 100644 --- a/include/asm-x86/lguest_hcall.h +++ b/include/asm-x86/lguest_hcall.h @@ -1,6 +1,6 @@ /* Architecture specific portion of the lguest hypercalls */ -#ifndef _X86_LGUEST_HCALL_H -#define _X86_LGUEST_HCALL_H +#ifndef ASM_X86__LGUEST_HCALL_H +#define ASM_X86__LGUEST_HCALL_H #define LHCALL_FLUSH_ASYNC 0 #define LHCALL_LGUEST_INIT 1 @@ -68,4 +68,4 @@ struct hcall_args { }; #endif /* !__ASSEMBLY__ */ -#endif /* _I386_LGUEST_HCALL_H */ +#endif /* ASM_X86__LGUEST_HCALL_H */ diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h index 64e444f8e85b..42d8b62ee8ab 100644 --- a/include/asm-x86/linkage.h +++ b/include/asm-x86/linkage.h @@ -1,5 +1,5 @@ -#ifndef __ASM_LINKAGE_H -#define __ASM_LINKAGE_H +#ifndef ASM_X86__LINKAGE_H +#define ASM_X86__LINKAGE_H #undef notrace #define notrace __attribute__((no_instrument_function)) @@ -57,5 +57,5 @@ #define __ALIGN_STR ".align 16,0x90" #endif -#endif +#endif /* ASM_X86__LINKAGE_H */ diff --git a/include/asm-x86/local.h b/include/asm-x86/local.h index 330a72496abd..ae91994fd6c9 100644 --- a/include/asm-x86/local.h +++ b/include/asm-x86/local.h @@ -1,5 +1,5 @@ -#ifndef _ARCH_LOCAL_H -#define _ARCH_LOCAL_H +#ifndef ASM_X86__LOCAL_H +#define ASM_X86__LOCAL_H #include @@ -232,4 +232,4 @@ static inline long local_sub_return(long i, local_t *l) #define __cpu_local_add(i, l) cpu_local_add((i), (l)) #define __cpu_local_sub(i, l) cpu_local_sub((i), (l)) -#endif /* _ARCH_LOCAL_H */ +#endif /* ASM_X86__LOCAL_H */ diff --git a/include/asm-x86/mach-bigsmp/mach_apic.h b/include/asm-x86/mach-bigsmp/mach_apic.h index c3b9dc6970c9..05362d44a3ee 100644 --- a/include/asm-x86/mach-bigsmp/mach_apic.h +++ b/include/asm-x86/mach-bigsmp/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_BIGSMP__MACH_APIC_H +#define ASM_X86__MACH_BIGSMP__MACH_APIC_H #define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu)) #define esr_disable (1) @@ -141,4 +141,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_BIGSMP__MACH_APIC_H */ diff --git a/include/asm-x86/mach-bigsmp/mach_apicdef.h b/include/asm-x86/mach-bigsmp/mach_apicdef.h index a58ab5a75c8c..811935d9d49b 100644 --- a/include/asm-x86/mach-bigsmp/mach_apicdef.h +++ b/include/asm-x86/mach-bigsmp/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H +#ifndef ASM_X86__MACH_BIGSMP__MACH_APICDEF_H +#define ASM_X86__MACH_BIGSMP__MACH_APICDEF_H #define APIC_ID_MASK (0xFF<<24) @@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) -#endif +#endif /* ASM_X86__MACH_BIGSMP__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-bigsmp/mach_ipi.h b/include/asm-x86/mach-bigsmp/mach_ipi.h index 9404c535b7ec..b1b0f966a009 100644 --- a/include/asm-x86/mach-bigsmp/mach_ipi.h +++ b/include/asm-x86/mach-bigsmp/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H +#ifndef ASM_X86__MACH_BIGSMP__MACH_IPI_H +#define ASM_X86__MACH_BIGSMP__MACH_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* __ASM_MACH_IPI_H */ +#endif /* ASM_X86__MACH_BIGSMP__MACH_IPI_H */ diff --git a/include/asm-x86/mach-default/apm.h b/include/asm-x86/mach-default/apm.h index 989f34c37d32..2aa61b54fbd5 100644 --- a/include/asm-x86/mach-default/apm.h +++ b/include/asm-x86/mach-default/apm.h @@ -3,8 +3,8 @@ * Split out from apm.c by Osamu Tomita */ -#ifndef _ASM_APM_H -#define _ASM_APM_H +#ifndef ASM_X86__MACH_DEFAULT__APM_H +#define ASM_X86__MACH_DEFAULT__APM_H #ifdef APM_ZERO_SEGS # define APM_DO_ZERO_SEGS \ @@ -70,4 +70,4 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in, return error; } -#endif /* _ASM_APM_H */ +#endif /* ASM_X86__MACH_DEFAULT__APM_H */ diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index f3226b9a6b82..b615f40736be 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_APIC_H +#define ASM_X86__MACH_DEFAULT__MACH_APIC_H #ifdef CONFIG_X86_LOCAL_APIC @@ -138,4 +138,4 @@ static inline void enable_apic_mode(void) } #endif /* CONFIG_X86_LOCAL_APIC */ -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */ diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h index e4b29ba37de6..936704f816d6 100644 --- a/include/asm-x86/mach-default/mach_apicdef.h +++ b/include/asm-x86/mach-default/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_APICDEF_H +#define ASM_X86__MACH_DEFAULT__MACH_APICDEF_H #include @@ -21,4 +21,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) #endif -#endif +#endif /* ASM_X86__MACH_DEFAULT__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-default/mach_ipi.h b/include/asm-x86/mach-default/mach_ipi.h index be323364e68f..674bc7e50c35 100644 --- a/include/asm-x86/mach-default/mach_ipi.h +++ b/include/asm-x86/mach-default/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_IPI_H +#define ASM_X86__MACH_DEFAULT__MACH_IPI_H /* Avoid include hell */ #define NMI_VECTOR 0x02 @@ -61,4 +61,4 @@ static inline void send_IPI_all(int vector) } #endif -#endif /* __ASM_MACH_IPI_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_IPI_H */ diff --git a/include/asm-x86/mach-default/mach_mpparse.h b/include/asm-x86/mach-default/mach_mpparse.h index d14108505bb8..9c381f2815ac 100644 --- a/include/asm-x86/mach-default/mach_mpparse.h +++ b/include/asm-x86/mach-default/mach_mpparse.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_MPPARSE_H -#define __ASM_MACH_MPPARSE_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H +#define ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid) @@ -14,4 +14,4 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) } -#endif /* __ASM_MACH_MPPARSE_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-default/mach_mpspec.h b/include/asm-x86/mach-default/mach_mpspec.h index 51c9a9775932..d77646f011f1 100644 --- a/include/asm-x86/mach-default/mach_mpspec.h +++ b/include/asm-x86/mach-default/mach_mpspec.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_MPSPEC_H -#define __ASM_MACH_MPSPEC_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H +#define ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H #define MAX_IRQ_SOURCES 256 @@ -9,4 +9,4 @@ #define MAX_MP_BUSSES 32 #endif -#endif /* __ASM_MACH_MPSPEC_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H */ diff --git a/include/asm-x86/mach-default/mach_timer.h b/include/asm-x86/mach-default/mach_timer.h index 4b76e536cd98..990b15833834 100644 --- a/include/asm-x86/mach-default/mach_timer.h +++ b/include/asm-x86/mach-default/mach_timer.h @@ -10,8 +10,8 @@ * directly because of the awkward 8-bit access mechanism of the 82C54 * device. */ -#ifndef _MACH_TIMER_H -#define _MACH_TIMER_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_TIMER_H +#define ASM_X86__MACH_DEFAULT__MACH_TIMER_H #define CALIBRATE_TIME_MSEC 30 /* 30 msecs */ #define CALIBRATE_LATCH \ @@ -45,4 +45,4 @@ static inline void mach_countup(unsigned long *count_p) *count_p = count; } -#endif /* !_MACH_TIMER_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_TIMER_H */ diff --git a/include/asm-x86/mach-default/mach_traps.h b/include/asm-x86/mach-default/mach_traps.h index 2fe7705c0484..de9ac3f5c4ce 100644 --- a/include/asm-x86/mach-default/mach_traps.h +++ b/include/asm-x86/mach-default/mach_traps.h @@ -2,8 +2,8 @@ * Machine specific NMI handling for generic. * Split out from traps.c by Osamu Tomita */ -#ifndef _MACH_TRAPS_H -#define _MACH_TRAPS_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_TRAPS_H +#define ASM_X86__MACH_DEFAULT__MACH_TRAPS_H #include @@ -36,4 +36,4 @@ static inline void reassert_nmi(void) unlock_cmos(); } -#endif /* !_MACH_TRAPS_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_TRAPS_H */ diff --git a/include/asm-x86/mach-default/mach_wakecpu.h b/include/asm-x86/mach-default/mach_wakecpu.h index 3ebb17893aa5..361b810f5160 100644 --- a/include/asm-x86/mach-default/mach_wakecpu.h +++ b/include/asm-x86/mach-default/mach_wakecpu.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_WAKECPU_H -#define __ASM_MACH_WAKECPU_H +#ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H +#define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H /* * This file copes with machines that wakeup secondary CPUs by the @@ -39,4 +39,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) #define inquire_remote_apic(apicid) {} #endif -#endif /* __ASM_MACH_WAKECPU_H */ +#endif /* ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H */ diff --git a/include/asm-x86/mach-es7000/mach_apic.h b/include/asm-x86/mach-es7000/mach_apic.h index 0a3fdf930672..c1f6f682d619 100644 --- a/include/asm-x86/mach-es7000/mach_apic.h +++ b/include/asm-x86/mach-es7000/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_ES7000__MACH_APIC_H +#define ASM_X86__MACH_ES7000__MACH_APIC_H #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) #define esr_disable (1) @@ -191,4 +191,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_ES7000__MACH_APIC_H */ diff --git a/include/asm-x86/mach-es7000/mach_apicdef.h b/include/asm-x86/mach-es7000/mach_apicdef.h index a58ab5a75c8c..a07e56744028 100644 --- a/include/asm-x86/mach-es7000/mach_apicdef.h +++ b/include/asm-x86/mach-es7000/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H +#ifndef ASM_X86__MACH_ES7000__MACH_APICDEF_H +#define ASM_X86__MACH_ES7000__MACH_APICDEF_H #define APIC_ID_MASK (0xFF<<24) @@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) -#endif +#endif /* ASM_X86__MACH_ES7000__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-es7000/mach_ipi.h b/include/asm-x86/mach-es7000/mach_ipi.h index 5e61bd220b06..3a21240e03dc 100644 --- a/include/asm-x86/mach-es7000/mach_ipi.h +++ b/include/asm-x86/mach-es7000/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H +#ifndef ASM_X86__MACH_ES7000__MACH_IPI_H +#define ASM_X86__MACH_ES7000__MACH_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -21,4 +21,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* __ASM_MACH_IPI_H */ +#endif /* ASM_X86__MACH_ES7000__MACH_IPI_H */ diff --git a/include/asm-x86/mach-es7000/mach_mpparse.h b/include/asm-x86/mach-es7000/mach_mpparse.h index ef26d3523625..befde24705b7 100644 --- a/include/asm-x86/mach-es7000/mach_mpparse.h +++ b/include/asm-x86/mach-es7000/mach_mpparse.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_MPPARSE_H -#define __ASM_MACH_MPPARSE_H +#ifndef ASM_X86__MACH_ES7000__MACH_MPPARSE_H +#define ASM_X86__MACH_ES7000__MACH_MPPARSE_H #include @@ -26,4 +26,4 @@ static inline int es7000_check_dsdt(void) } #endif -#endif /* __ASM_MACH_MPPARSE_H */ +#endif /* ASM_X86__MACH_ES7000__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-es7000/mach_wakecpu.h b/include/asm-x86/mach-es7000/mach_wakecpu.h index 84ff58314501..97c776ce13f2 100644 --- a/include/asm-x86/mach-es7000/mach_wakecpu.h +++ b/include/asm-x86/mach-es7000/mach_wakecpu.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_WAKECPU_H -#define __ASM_MACH_WAKECPU_H +#ifndef ASM_X86__MACH_ES7000__MACH_WAKECPU_H +#define ASM_X86__MACH_ES7000__MACH_WAKECPU_H /* * This file copes with machines that wakeup secondary CPUs by the @@ -56,4 +56,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) #define inquire_remote_apic(apicid) {} #endif -#endif /* __ASM_MACH_WAKECPU_H */ +#endif /* ASM_X86__MACH_ES7000__MACH_WAKECPU_H */ diff --git a/include/asm-x86/mach-generic/gpio.h b/include/asm-x86/mach-generic/gpio.h index 5305dcb96df2..6ce0f7786ef8 100644 --- a/include/asm-x86/mach-generic/gpio.h +++ b/include/asm-x86/mach-generic/gpio.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_GENERIC_GPIO_H -#define __ASM_MACH_GENERIC_GPIO_H +#ifndef ASM_X86__MACH_GENERIC__GPIO_H +#define ASM_X86__MACH_GENERIC__GPIO_H int gpio_request(unsigned gpio, const char *label); void gpio_free(unsigned gpio); @@ -12,4 +12,4 @@ int irq_to_gpio(unsigned irq); #include /* cansleep wrappers */ -#endif /* __ASM_MACH_GENERIC_GPIO_H */ +#endif /* ASM_X86__MACH_GENERIC__GPIO_H */ diff --git a/include/asm-x86/mach-generic/irq_vectors_limits.h b/include/asm-x86/mach-generic/irq_vectors_limits.h index 890ce3f5e09a..f7870e1a220d 100644 --- a/include/asm-x86/mach-generic/irq_vectors_limits.h +++ b/include/asm-x86/mach-generic/irq_vectors_limits.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IRQ_VECTORS_LIMITS_H -#define _ASM_IRQ_VECTORS_LIMITS_H +#ifndef ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H +#define ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H /* * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, @@ -11,4 +11,4 @@ #define NR_IRQS 224 #define NR_IRQ_VECTORS 1024 -#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ +#endif /* ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h index 6eff343e1233..5d010c6881dd 100644 --- a/include/asm-x86/mach-generic/mach_apic.h +++ b/include/asm-x86/mach-generic/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_GENERIC__MACH_APIC_H +#define ASM_X86__MACH_GENERIC__MACH_APIC_H #include @@ -29,4 +29,4 @@ extern void generic_bigsmp_probe(void); -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_GENERIC__MACH_APIC_H */ diff --git a/include/asm-x86/mach-generic/mach_apicdef.h b/include/asm-x86/mach-generic/mach_apicdef.h index 28ed98972ca8..1657f38b8f27 100644 --- a/include/asm-x86/mach-generic/mach_apicdef.h +++ b/include/asm-x86/mach-generic/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef _GENAPIC_MACH_APICDEF_H -#define _GENAPIC_MACH_APICDEF_H 1 +#ifndef ASM_X86__MACH_GENERIC__MACH_APICDEF_H +#define ASM_X86__MACH_GENERIC__MACH_APICDEF_H #ifndef APIC_DEFINITION #include @@ -8,4 +8,4 @@ #define APIC_ID_MASK (genapic->apic_id_mask) #endif -#endif +#endif /* ASM_X86__MACH_GENERIC__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-generic/mach_ipi.h b/include/asm-x86/mach-generic/mach_ipi.h index 441b0fe3ed1d..f67433dbd65f 100644 --- a/include/asm-x86/mach-generic/mach_ipi.h +++ b/include/asm-x86/mach-generic/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef _MACH_IPI_H -#define _MACH_IPI_H 1 +#ifndef ASM_X86__MACH_GENERIC__MACH_IPI_H +#define ASM_X86__MACH_GENERIC__MACH_IPI_H #include @@ -7,4 +7,4 @@ #define send_IPI_allbutself (genapic->send_IPI_allbutself) #define send_IPI_all (genapic->send_IPI_all) -#endif +#endif /* ASM_X86__MACH_GENERIC__MACH_IPI_H */ diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/include/asm-x86/mach-generic/mach_mpparse.h index 586cadbf3787..3115564e557c 100644 --- a/include/asm-x86/mach-generic/mach_mpparse.h +++ b/include/asm-x86/mach-generic/mach_mpparse.h @@ -1,5 +1,5 @@ -#ifndef _MACH_MPPARSE_H -#define _MACH_MPPARSE_H 1 +#ifndef ASM_X86__MACH_GENERIC__MACH_MPPARSE_H +#define ASM_X86__MACH_GENERIC__MACH_MPPARSE_H extern int mps_oem_check(struct mp_config_table *mpc, char *oem, @@ -7,4 +7,4 @@ extern int mps_oem_check(struct mp_config_table *mpc, char *oem, extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id); -#endif +#endif /* ASM_X86__MACH_GENERIC__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-generic/mach_mpspec.h b/include/asm-x86/mach-generic/mach_mpspec.h index c83c120be538..6061b153613e 100644 --- a/include/asm-x86/mach-generic/mach_mpspec.h +++ b/include/asm-x86/mach-generic/mach_mpspec.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_MPSPEC_H -#define __ASM_MACH_MPSPEC_H +#ifndef ASM_X86__MACH_GENERIC__MACH_MPSPEC_H +#define ASM_X86__MACH_GENERIC__MACH_MPSPEC_H #define MAX_IRQ_SOURCES 256 @@ -9,4 +9,4 @@ extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid); -#endif /* __ASM_MACH_MPSPEC_H */ +#endif /* ASM_X86__MACH_GENERIC__MACH_MPSPEC_H */ diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h index d802465e026a..7a0d39edfcfa 100644 --- a/include/asm-x86/mach-numaq/mach_apic.h +++ b/include/asm-x86/mach-numaq/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_NUMAQ__MACH_APIC_H +#define ASM_X86__MACH_NUMAQ__MACH_APIC_H #include #include @@ -135,4 +135,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_NUMAQ__MACH_APIC_H */ diff --git a/include/asm-x86/mach-numaq/mach_apicdef.h b/include/asm-x86/mach-numaq/mach_apicdef.h index bf439d0690f5..f870ec5f7782 100644 --- a/include/asm-x86/mach-numaq/mach_apicdef.h +++ b/include/asm-x86/mach-numaq/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H +#ifndef ASM_X86__MACH_NUMAQ__MACH_APICDEF_H +#define ASM_X86__MACH_NUMAQ__MACH_APICDEF_H #define APIC_ID_MASK (0xF<<24) @@ -11,4 +11,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) -#endif +#endif /* ASM_X86__MACH_NUMAQ__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-numaq/mach_ipi.h b/include/asm-x86/mach-numaq/mach_ipi.h index c6044488e9e6..1e835823f4bc 100644 --- a/include/asm-x86/mach-numaq/mach_ipi.h +++ b/include/asm-x86/mach-numaq/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H +#ifndef ASM_X86__MACH_NUMAQ__MACH_IPI_H +#define ASM_X86__MACH_NUMAQ__MACH_IPI_H void send_IPI_mask_sequence(cpumask_t, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* __ASM_MACH_IPI_H */ +#endif /* ASM_X86__MACH_NUMAQ__MACH_IPI_H */ diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h index 626aef6b155f..74ade184920b 100644 --- a/include/asm-x86/mach-numaq/mach_mpparse.h +++ b/include/asm-x86/mach-numaq/mach_mpparse.h @@ -1,7 +1,7 @@ -#ifndef __ASM_MACH_MPPARSE_H -#define __ASM_MACH_MPPARSE_H +#ifndef ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H +#define ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid); -#endif /* __ASM_MACH_MPPARSE_H */ +#endif /* ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-numaq/mach_wakecpu.h b/include/asm-x86/mach-numaq/mach_wakecpu.h index 00530041a991..0db8cea643c0 100644 --- a/include/asm-x86/mach-numaq/mach_wakecpu.h +++ b/include/asm-x86/mach-numaq/mach_wakecpu.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_WAKECPU_H -#define __ASM_MACH_WAKECPU_H +#ifndef ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H +#define ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H /* This file copes with machines that wakeup secondary CPUs by NMIs */ @@ -40,4 +40,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) #define inquire_remote_apic(apicid) {} -#endif /* __ASM_MACH_WAKECPU_H */ +#endif /* ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H */ diff --git a/include/asm-x86/mach-rdc321x/gpio.h b/include/asm-x86/mach-rdc321x/gpio.h index acce0b7d397b..6184561980f2 100644 --- a/include/asm-x86/mach-rdc321x/gpio.h +++ b/include/asm-x86/mach-rdc321x/gpio.h @@ -1,5 +1,5 @@ -#ifndef _RDC321X_GPIO_H -#define _RDC321X_GPIO_H +#ifndef ASM_X86__MACH_RDC321X__GPIO_H +#define ASM_X86__MACH_RDC321X__GPIO_H extern int rdc_gpio_get_value(unsigned gpio); extern void rdc_gpio_set_value(unsigned gpio, int value); @@ -54,4 +54,4 @@ static inline int irq_to_gpio(unsigned irq) /* For cansleep */ #include -#endif /* _RDC321X_GPIO_H_ */ +#endif /* ASM_X86__MACH_RDC321X__GPIO_H */ diff --git a/include/asm-x86/mach-summit/irq_vectors_limits.h b/include/asm-x86/mach-summit/irq_vectors_limits.h index 890ce3f5e09a..22f376ad68e1 100644 --- a/include/asm-x86/mach-summit/irq_vectors_limits.h +++ b/include/asm-x86/mach-summit/irq_vectors_limits.h @@ -1,5 +1,5 @@ -#ifndef _ASM_IRQ_VECTORS_LIMITS_H -#define _ASM_IRQ_VECTORS_LIMITS_H +#ifndef ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H +#define ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H /* * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, @@ -11,4 +11,4 @@ #define NR_IRQS 224 #define NR_IRQ_VECTORS 1024 -#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ +#endif /* ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/mach-summit/mach_apic.h b/include/asm-x86/mach-summit/mach_apic.h index 75d2c95005d7..ef77af36cc94 100644 --- a/include/asm-x86/mach-summit/mach_apic.h +++ b/include/asm-x86/mach-summit/mach_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APIC_H -#define __ASM_MACH_APIC_H +#ifndef ASM_X86__MACH_SUMMIT__MACH_APIC_H +#define ASM_X86__MACH_SUMMIT__MACH_APIC_H #include @@ -182,4 +182,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return hard_smp_processor_id() >> index_msb; } -#endif /* __ASM_MACH_APIC_H */ +#endif /* ASM_X86__MACH_SUMMIT__MACH_APIC_H */ diff --git a/include/asm-x86/mach-summit/mach_apicdef.h b/include/asm-x86/mach-summit/mach_apicdef.h index a58ab5a75c8c..d4bc8590c4f6 100644 --- a/include/asm-x86/mach-summit/mach_apicdef.h +++ b/include/asm-x86/mach-summit/mach_apicdef.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_APICDEF_H -#define __ASM_MACH_APICDEF_H +#ifndef ASM_X86__MACH_SUMMIT__MACH_APICDEF_H +#define ASM_X86__MACH_SUMMIT__MACH_APICDEF_H #define APIC_ID_MASK (0xFF<<24) @@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) -#endif +#endif /* ASM_X86__MACH_SUMMIT__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-summit/mach_ipi.h b/include/asm-x86/mach-summit/mach_ipi.h index 9404c535b7ec..a3b31c528d90 100644 --- a/include/asm-x86/mach-summit/mach_ipi.h +++ b/include/asm-x86/mach-summit/mach_ipi.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_IPI_H -#define __ASM_MACH_IPI_H +#ifndef ASM_X86__MACH_SUMMIT__MACH_IPI_H +#define ASM_X86__MACH_SUMMIT__MACH_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* __ASM_MACH_IPI_H */ +#endif /* ASM_X86__MACH_SUMMIT__MACH_IPI_H */ diff --git a/include/asm-x86/mach-summit/mach_mpparse.h b/include/asm-x86/mach-summit/mach_mpparse.h index fdf591701339..92396f28772b 100644 --- a/include/asm-x86/mach-summit/mach_mpparse.h +++ b/include/asm-x86/mach-summit/mach_mpparse.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MACH_MPPARSE_H -#define __ASM_MACH_MPPARSE_H +#ifndef ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H +#define ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H #include #include @@ -107,4 +107,4 @@ static inline int is_WPEG(struct rio_detail *rio){ rio->type == LookOutAWPEG || rio->type == LookOutBWPEG); } -#endif /* __ASM_MACH_MPPARSE_H */ +#endif /* ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H */ diff --git a/include/asm-x86/math_emu.h b/include/asm-x86/math_emu.h index 9bf4ae93ab10..5768d8e95c8c 100644 --- a/include/asm-x86/math_emu.h +++ b/include/asm-x86/math_emu.h @@ -1,5 +1,5 @@ -#ifndef _I386_MATH_EMU_H -#define _I386_MATH_EMU_H +#ifndef ASM_X86__MATH_EMU_H +#define ASM_X86__MATH_EMU_H /* This structure matches the layout of the data saved to the stack following a device-not-present interrupt, part of it saved @@ -28,4 +28,4 @@ struct info { long ___vm86_fs; long ___vm86_gs; }; -#endif +#endif /* ASM_X86__MATH_EMU_H */ diff --git a/include/asm-x86/mc146818rtc.h b/include/asm-x86/mc146818rtc.h index daf1ccde77af..a995f33176cd 100644 --- a/include/asm-x86/mc146818rtc.h +++ b/include/asm-x86/mc146818rtc.h @@ -1,8 +1,8 @@ /* * Machine dependent access functions for RTC registers. */ -#ifndef _ASM_MC146818RTC_H -#define _ASM_MC146818RTC_H +#ifndef ASM_X86__MC146818RTC_H +#define ASM_X86__MC146818RTC_H #include #include @@ -101,4 +101,4 @@ extern unsigned long mach_get_cmos_time(void); #define RTC_IRQ 8 -#endif /* _ASM_MC146818RTC_H */ +#endif /* ASM_X86__MC146818RTC_H */ diff --git a/include/asm-x86/mca.h b/include/asm-x86/mca.h index 09adf2eac4dc..60d1ed287b13 100644 --- a/include/asm-x86/mca.h +++ b/include/asm-x86/mca.h @@ -1,8 +1,8 @@ /* -*- mode: c; c-basic-offset: 8 -*- */ /* Platform specific MCA defines */ -#ifndef _ASM_MCA_H -#define _ASM_MCA_H +#ifndef ASM_X86__MCA_H +#define ASM_X86__MCA_H /* Maximal number of MCA slots - actually, some machines have less, but * they all have sufficient number of POS registers to cover 8. @@ -40,4 +40,4 @@ */ #define MCA_NUMADAPTERS (MCA_MAX_SLOT_NR+3) -#endif +#endif /* ASM_X86__MCA_H */ diff --git a/include/asm-x86/mca_dma.h b/include/asm-x86/mca_dma.h index c3dca6edc6b1..49f22be237d2 100644 --- a/include/asm-x86/mca_dma.h +++ b/include/asm-x86/mca_dma.h @@ -1,5 +1,5 @@ -#ifndef MCA_DMA_H -#define MCA_DMA_H +#ifndef ASM_X86__MCA_DMA_H +#define ASM_X86__MCA_DMA_H #include #include @@ -198,4 +198,4 @@ static inline void mca_set_dma_mode(unsigned int dmanr, unsigned int mode) outb(mode, MCA_DMA_REG_EXE); } -#endif /* MCA_DMA_H */ +#endif /* ASM_X86__MCA_DMA_H */ diff --git a/include/asm-x86/mce.h b/include/asm-x86/mce.h index 94f1fd79e22a..6a580f24d4a4 100644 --- a/include/asm-x86/mce.h +++ b/include/asm-x86/mce.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_MCE_H -#define _ASM_X86_MCE_H +#ifndef ASM_X86__MCE_H +#define ASM_X86__MCE_H #ifdef __x86_64__ @@ -126,4 +126,4 @@ extern void restart_mce(void); #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__MCE_H */ diff --git a/include/asm-x86/mman.h b/include/asm-x86/mman.h index c1682b542daf..b6b41aa1cbc8 100644 --- a/include/asm-x86/mman.h +++ b/include/asm-x86/mman.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_MMAN_H -#define _ASM_X86_MMAN_H +#ifndef ASM_X86__MMAN_H +#define ASM_X86__MMAN_H #include @@ -16,4 +16,4 @@ #define MCL_CURRENT 1 /* lock all current mappings */ #define MCL_FUTURE 2 /* lock all future mappings */ -#endif /* _ASM_X86_MMAN_H */ +#endif /* ASM_X86__MMAN_H */ diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h index 95beda07c6fa..8689f1e7bc01 100644 --- a/include/asm-x86/mmconfig.h +++ b/include/asm-x86/mmconfig.h @@ -1,5 +1,5 @@ -#ifndef _ASM_MMCONFIG_H -#define _ASM_MMCONFIG_H +#ifndef ASM_X86__MMCONFIG_H +#define ASM_X86__MMCONFIG_H #ifdef CONFIG_PCI_MMCONFIG extern void __cpuinit fam10h_check_enable_mmcfg(void); @@ -9,4 +9,4 @@ static inline void fam10h_check_enable_mmcfg(void) { } static inline void check_enable_amd_mmconf_dmi(void) { } #endif -#endif +#endif /* ASM_X86__MMCONFIG_H */ diff --git a/include/asm-x86/mmu.h b/include/asm-x86/mmu.h index 00e88679e11f..a30d7a9c8297 100644 --- a/include/asm-x86/mmu.h +++ b/include/asm-x86/mmu.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_MMU_H -#define _ASM_X86_MMU_H +#ifndef ASM_X86__MMU_H +#define ASM_X86__MMU_H #include #include @@ -28,4 +28,4 @@ static inline void leave_mm(int cpu) } #endif -#endif /* _ASM_X86_MMU_H */ +#endif /* ASM_X86__MMU_H */ diff --git a/include/asm-x86/mmu_context.h b/include/asm-x86/mmu_context.h index fac57014e7c6..8ec940bfd079 100644 --- a/include/asm-x86/mmu_context.h +++ b/include/asm-x86/mmu_context.h @@ -1,5 +1,5 @@ -#ifndef __ASM_X86_MMU_CONTEXT_H -#define __ASM_X86_MMU_CONTEXT_H +#ifndef ASM_X86__MMU_CONTEXT_H +#define ASM_X86__MMU_CONTEXT_H #include #include @@ -34,4 +34,4 @@ do { \ } while (0); -#endif /* __ASM_X86_MMU_CONTEXT_H */ +#endif /* ASM_X86__MMU_CONTEXT_H */ diff --git a/include/asm-x86/mmu_context_32.h b/include/asm-x86/mmu_context_32.h index 824fc575c6d8..cce6f6e4afd6 100644 --- a/include/asm-x86/mmu_context_32.h +++ b/include/asm-x86/mmu_context_32.h @@ -1,5 +1,5 @@ -#ifndef __I386_SCHED_H -#define __I386_SCHED_H +#ifndef ASM_X86__MMU_CONTEXT_32_H +#define ASM_X86__MMU_CONTEXT_32_H static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { @@ -53,4 +53,4 @@ static inline void switch_mm(struct mm_struct *prev, #define deactivate_mm(tsk, mm) \ asm("movl %0,%%gs": :"r" (0)); -#endif +#endif /* ASM_X86__MMU_CONTEXT_32_H */ diff --git a/include/asm-x86/mmu_context_64.h b/include/asm-x86/mmu_context_64.h index c7000634ccae..26758673c828 100644 --- a/include/asm-x86/mmu_context_64.h +++ b/include/asm-x86/mmu_context_64.h @@ -1,5 +1,5 @@ -#ifndef __X86_64_MMU_CONTEXT_H -#define __X86_64_MMU_CONTEXT_H +#ifndef ASM_X86__MMU_CONTEXT_64_H +#define ASM_X86__MMU_CONTEXT_64_H #include @@ -51,4 +51,4 @@ do { \ asm volatile("movl %0,%%fs"::"r"(0)); \ } while (0) -#endif +#endif /* ASM_X86__MMU_CONTEXT_64_H */ diff --git a/include/asm-x86/mmx.h b/include/asm-x86/mmx.h index 940881218ff8..2e7299bb3653 100644 --- a/include/asm-x86/mmx.h +++ b/include/asm-x86/mmx.h @@ -1,5 +1,5 @@ -#ifndef _ASM_MMX_H -#define _ASM_MMX_H +#ifndef ASM_X86__MMX_H +#define ASM_X86__MMX_H /* * MMX 3Dnow! helper operations @@ -11,4 +11,4 @@ extern void *_mmx_memcpy(void *to, const void *from, size_t size); extern void mmx_clear_page(void *page); extern void mmx_copy_page(void *to, void *from); -#endif +#endif /* ASM_X86__MMX_H */ diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h index b2298a227567..b98590fdc9ea 100644 --- a/include/asm-x86/mmzone_32.h +++ b/include/asm-x86/mmzone_32.h @@ -3,8 +3,8 @@ * */ -#ifndef _ASM_MMZONE_H_ -#define _ASM_MMZONE_H_ +#ifndef ASM_X86__MMZONE_32_H +#define ASM_X86__MMZONE_32_H #include @@ -125,4 +125,4 @@ static inline int pfn_valid(int pfn) }) #endif /* CONFIG_NEED_MULTIPLE_NODES */ -#endif /* _ASM_MMZONE_H_ */ +#endif /* ASM_X86__MMZONE_32_H */ diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h index 594bd0dc1d08..626b03a14875 100644 --- a/include/asm-x86/mmzone_64.h +++ b/include/asm-x86/mmzone_64.h @@ -1,8 +1,8 @@ /* K8 NUMA support */ /* Copyright 2002,2003 by Andi Kleen, SuSE Labs */ /* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */ -#ifndef _ASM_X86_64_MMZONE_H -#define _ASM_X86_64_MMZONE_H 1 +#ifndef ASM_X86__MMZONE_64_H +#define ASM_X86__MMZONE_64_H #ifdef CONFIG_NUMA @@ -49,4 +49,4 @@ extern int early_pfn_to_nid(unsigned long pfn); #endif #endif -#endif +#endif /* ASM_X86__MMZONE_64_H */ diff --git a/include/asm-x86/module.h b/include/asm-x86/module.h index bfedb247871c..48dc3e0c07d9 100644 --- a/include/asm-x86/module.h +++ b/include/asm-x86/module.h @@ -1,5 +1,5 @@ -#ifndef _ASM_MODULE_H -#define _ASM_MODULE_H +#ifndef ASM_X86__MODULE_H +#define ASM_X86__MODULE_H /* x86_32/64 are simple */ struct mod_arch_specific {}; @@ -79,4 +79,4 @@ struct mod_arch_specific {}; # define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_STACKSIZE #endif -#endif /* _ASM_MODULE_H */ +#endif /* ASM_X86__MODULE_H */ diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h index b6995e567fcc..118da365e371 100644 --- a/include/asm-x86/mpspec.h +++ b/include/asm-x86/mpspec.h @@ -1,5 +1,5 @@ -#ifndef _AM_X86_MPSPEC_H -#define _AM_X86_MPSPEC_H +#ifndef ASM_X86__MPSPEC_H +#define ASM_X86__MPSPEC_H #include @@ -141,4 +141,4 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map) extern physid_mask_t phys_cpu_present_map; -#endif +#endif /* ASM_X86__MPSPEC_H */ diff --git a/include/asm-x86/mpspec_def.h b/include/asm-x86/mpspec_def.h index 38d1e73b49e4..79166b048012 100644 --- a/include/asm-x86/mpspec_def.h +++ b/include/asm-x86/mpspec_def.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MPSPEC_DEF_H -#define __ASM_MPSPEC_DEF_H +#ifndef ASM_X86__MPSPEC_DEF_H +#define ASM_X86__MPSPEC_DEF_H /* * Structure definitions for SMP machines following the @@ -177,4 +177,4 @@ enum mp_bustype { MP_BUS_PCI, MP_BUS_MCA, }; -#endif +#endif /* ASM_X86__MPSPEC_DEF_H */ diff --git a/include/asm-x86/msgbuf.h b/include/asm-x86/msgbuf.h index 7e4e9481f51c..1b538c907a3d 100644 --- a/include/asm-x86/msgbuf.h +++ b/include/asm-x86/msgbuf.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_MSGBUF_H -#define _ASM_X86_MSGBUF_H +#ifndef ASM_X86__MSGBUF_H +#define ASM_X86__MSGBUF_H /* * The msqid64_ds structure for i386 architecture. @@ -36,4 +36,4 @@ struct msqid64_ds { unsigned long __unused5; }; -#endif /* _ASM_X86_MSGBUF_H */ +#endif /* ASM_X86__MSGBUF_H */ diff --git a/include/asm-x86/msidef.h b/include/asm-x86/msidef.h index 296f29ce426d..3139666a94fa 100644 --- a/include/asm-x86/msidef.h +++ b/include/asm-x86/msidef.h @@ -1,5 +1,5 @@ -#ifndef ASM_MSIDEF_H -#define ASM_MSIDEF_H +#ifndef ASM_X86__MSIDEF_H +#define ASM_X86__MSIDEF_H /* * Constants for Intel APIC based MSI messages. @@ -48,4 +48,4 @@ #define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \ MSI_ADDR_DEST_ID_MASK) -#endif /* ASM_MSIDEF_H */ +#endif /* ASM_X86__MSIDEF_H */ diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index 44bce773012e..3052f058ab06 100644 --- a/include/asm-x86/msr-index.h +++ b/include/asm-x86/msr-index.h @@ -1,5 +1,5 @@ -#ifndef __ASM_MSR_INDEX_H -#define __ASM_MSR_INDEX_H +#ifndef ASM_X86__MSR_INDEX_H +#define ASM_X86__MSR_INDEX_H /* CPU model specific register (MSR) numbers */ @@ -310,4 +310,4 @@ /* Geode defined MSRs */ #define MSR_GEODE_BUSCONT_CONF0 0x00001900 -#endif /* __ASM_MSR_INDEX_H */ +#endif /* ASM_X86__MSR_INDEX_H */ diff --git a/include/asm-x86/msr.h b/include/asm-x86/msr.h index ca110ee73f07..032992035bd9 100644 --- a/include/asm-x86/msr.h +++ b/include/asm-x86/msr.h @@ -1,5 +1,5 @@ -#ifndef __ASM_X86_MSR_H_ -#define __ASM_X86_MSR_H_ +#ifndef ASM_X86__MSR_H +#define ASM_X86__MSR_H #include @@ -220,4 +220,4 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h) #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__MSR_H */ diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h index a69a01a51729..23a7f83da953 100644 --- a/include/asm-x86/mtrr.h +++ b/include/asm-x86/mtrr.h @@ -20,8 +20,8 @@ The postal address is: Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia. */ -#ifndef _ASM_X86_MTRR_H -#define _ASM_X86_MTRR_H +#ifndef ASM_X86__MTRR_H +#define ASM_X86__MTRR_H #include #include @@ -170,4 +170,4 @@ struct mtrr_gentry32 { #endif /* __KERNEL__ */ -#endif /* _ASM_X86_MTRR_H */ +#endif /* ASM_X86__MTRR_H */ diff --git a/include/asm-x86/mutex_32.h b/include/asm-x86/mutex_32.h index 73e928ef5f03..25c16d8ba3c7 100644 --- a/include/asm-x86/mutex_32.h +++ b/include/asm-x86/mutex_32.h @@ -6,8 +6,8 @@ * * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar */ -#ifndef _ASM_MUTEX_H -#define _ASM_MUTEX_H +#ifndef ASM_X86__MUTEX_32_H +#define ASM_X86__MUTEX_32_H #include @@ -122,4 +122,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count, #endif } -#endif +#endif /* ASM_X86__MUTEX_32_H */ diff --git a/include/asm-x86/mutex_64.h b/include/asm-x86/mutex_64.h index f3fae9becb38..918ba21ab9d9 100644 --- a/include/asm-x86/mutex_64.h +++ b/include/asm-x86/mutex_64.h @@ -6,8 +6,8 @@ * * Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar */ -#ifndef _ASM_MUTEX_H -#define _ASM_MUTEX_H +#ifndef ASM_X86__MUTEX_64_H +#define ASM_X86__MUTEX_64_H /** * __mutex_fastpath_lock - decrement and call function if negative @@ -97,4 +97,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count, return 0; } -#endif +#endif /* ASM_X86__MUTEX_64_H */ diff --git a/include/asm-x86/namei.h b/include/asm-x86/namei.h index 415ef5d9550e..6e5de58c10cc 100644 --- a/include/asm-x86/namei.h +++ b/include/asm-x86/namei.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_NAMEI_H -#define _ASM_X86_NAMEI_H +#ifndef ASM_X86__NAMEI_H +#define ASM_X86__NAMEI_H /* This dummy routine maybe changed to something useful * for /usr/gnemul/ emulation stuff. @@ -8,4 +8,4 @@ #define __emul_prefix() NULL -#endif /* _ASM_X86_NAMEI_H */ +#endif /* ASM_X86__NAMEI_H */ diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h index 21f8d0202a82..f8b76f383904 100644 --- a/include/asm-x86/nmi.h +++ b/include/asm-x86/nmi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_NMI_H_ -#define _ASM_X86_NMI_H_ +#ifndef ASM_X86__NMI_H +#define ASM_X86__NMI_H #include #include @@ -81,4 +81,4 @@ void enable_lapic_nmi_watchdog(void); void stop_nmi(void); void restart_nmi(void); -#endif +#endif /* ASM_X86__NMI_H */ diff --git a/include/asm-x86/nops.h b/include/asm-x86/nops.h index ad0bedd10b89..ae742721ae73 100644 --- a/include/asm-x86/nops.h +++ b/include/asm-x86/nops.h @@ -1,5 +1,5 @@ -#ifndef _ASM_NOPS_H -#define _ASM_NOPS_H 1 +#ifndef ASM_X86__NOPS_H +#define ASM_X86__NOPS_H /* Define nops for use with alternative() */ @@ -115,4 +115,4 @@ #define ASM_NOP_MAX 8 -#endif +#endif /* ASM_X86__NOPS_H */ diff --git a/include/asm-x86/numa_32.h b/include/asm-x86/numa_32.h index 220d7b7707a0..44cb07855c5b 100644 --- a/include/asm-x86/numa_32.h +++ b/include/asm-x86/numa_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_32_NUMA_H -#define _ASM_X86_32_NUMA_H 1 +#ifndef ASM_X86__NUMA_32_H +#define ASM_X86__NUMA_32_H extern int pxm_to_nid(int pxm); extern void numa_remove_cpu(int cpu); @@ -8,4 +8,4 @@ extern void numa_remove_cpu(int cpu); extern void set_highmem_pages_init(void); #endif -#endif /* _ASM_X86_32_NUMA_H */ +#endif /* ASM_X86__NUMA_32_H */ diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h index 3830094434a9..15c990395b02 100644 --- a/include/asm-x86/numa_64.h +++ b/include/asm-x86/numa_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X8664_NUMA_H -#define _ASM_X8664_NUMA_H 1 +#ifndef ASM_X86__NUMA_64_H +#define ASM_X86__NUMA_64_H #include #include @@ -40,4 +40,4 @@ static inline void numa_add_cpu(int cpu, int node) { } static inline void numa_remove_cpu(int cpu) { } #endif -#endif +#endif /* ASM_X86__NUMA_64_H */ diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h index 34b92d581fa3..124bf7d4b70a 100644 --- a/include/asm-x86/numaq.h +++ b/include/asm-x86/numaq.h @@ -23,8 +23,8 @@ * Send feedback to */ -#ifndef NUMAQ_H -#define NUMAQ_H +#ifndef ASM_X86__NUMAQ_H +#define ASM_X86__NUMAQ_H #ifdef CONFIG_X86_NUMAQ @@ -165,5 +165,5 @@ static inline int get_memcfg_numaq(void) return 0; } #endif /* CONFIG_X86_NUMAQ */ -#endif /* NUMAQ_H */ +#endif /* ASM_X86__NUMAQ_H */ diff --git a/include/asm-x86/olpc.h b/include/asm-x86/olpc.h index 97d47133486f..d7328b1a05c1 100644 --- a/include/asm-x86/olpc.h +++ b/include/asm-x86/olpc.h @@ -1,7 +1,7 @@ /* OLPC machine specific definitions */ -#ifndef ASM_OLPC_H_ -#define ASM_OLPC_H_ +#ifndef ASM_X86__OLPC_H +#define ASM_X86__OLPC_H #include @@ -129,4 +129,4 @@ extern int olpc_ec_mask_unset(uint8_t bits); #define OLPC_GPIO_LID geode_gpio(26) #define OLPC_GPIO_ECSCI geode_gpio(27) -#endif +#endif /* ASM_X86__OLPC_H */ diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index 28d7b4533b1a..068a636e0bb1 100644 --- a/include/asm-x86/page.h +++ b/include/asm-x86/page.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PAGE_H -#define _ASM_X86_PAGE_H +#ifndef ASM_X86__PAGE_H +#define ASM_X86__PAGE_H #include @@ -192,4 +192,4 @@ static inline pteval_t native_pte_val(pte_t pte) #define __HAVE_ARCH_GATE_AREA 1 #endif /* __KERNEL__ */ -#endif /* _ASM_X86_PAGE_H */ +#endif /* ASM_X86__PAGE_H */ diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index ab8528793f08..85ac2b8ec7c9 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PAGE_32_H -#define _ASM_X86_PAGE_32_H +#ifndef ASM_X86__PAGE_32_H +#define ASM_X86__PAGE_32_H /* * This handles the memory map. @@ -126,4 +126,4 @@ static inline void copy_page(void *to, void *from) #endif /* CONFIG_X86_3DNOW */ #endif /* !__ASSEMBLY__ */ -#endif /* _ASM_X86_PAGE_32_H */ +#endif /* ASM_X86__PAGE_32_H */ diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index c6916c83e6b1..87aef3c48b5f 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -1,5 +1,5 @@ -#ifndef _X86_64_PAGE_H -#define _X86_64_PAGE_H +#ifndef ASM_X86__PAGE_64_H +#define ASM_X86__PAGE_64_H #define PAGETABLE_LEVELS 4 @@ -102,4 +102,4 @@ extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); #endif -#endif /* _X86_64_PAGE_H */ +#endif /* ASM_X86__PAGE_64_H */ diff --git a/include/asm-x86/param.h b/include/asm-x86/param.h index 6f0d0422f4ca..0009cfb11a5f 100644 --- a/include/asm-x86/param.h +++ b/include/asm-x86/param.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PARAM_H -#define _ASM_X86_PARAM_H +#ifndef ASM_X86__PARAM_H +#define ASM_X86__PARAM_H #ifdef __KERNEL__ # define HZ CONFIG_HZ /* Internal kernel timer frequency */ @@ -19,4 +19,4 @@ #define MAXHOSTNAMELEN 64 /* max length of hostname */ -#endif /* _ASM_X86_PARAM_H */ +#endif /* ASM_X86__PARAM_H */ diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index aec9767836b6..1b7eff0b41be 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -1,5 +1,5 @@ -#ifndef __ASM_PARAVIRT_H -#define __ASM_PARAVIRT_H +#ifndef ASM_X86__PARAVIRT_H +#define ASM_X86__PARAVIRT_H /* Various instructions on x86 need to be replaced for * para-virtualization: those hooks are defined here. */ @@ -1631,4 +1631,4 @@ static inline unsigned long __raw_local_irq_save(void) #endif /* __ASSEMBLY__ */ #endif /* CONFIG_PARAVIRT */ -#endif /* __ASM_PARAVIRT_H */ +#endif /* ASM_X86__PARAVIRT_H */ diff --git a/include/asm-x86/parport.h b/include/asm-x86/parport.h index 3c4ffeb467e9..2e3dda4dc3d9 100644 --- a/include/asm-x86/parport.h +++ b/include/asm-x86/parport.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PARPORT_H -#define _ASM_X86_PARPORT_H +#ifndef ASM_X86__PARPORT_H +#define ASM_X86__PARPORT_H static int __devinit parport_pc_find_isa_ports(int autoirq, int autodma); static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma) @@ -7,4 +7,4 @@ static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma) return parport_pc_find_isa_ports(autoirq, autodma); } -#endif /* _ASM_X86_PARPORT_H */ +#endif /* ASM_X86__PARPORT_H */ diff --git a/include/asm-x86/pat.h b/include/asm-x86/pat.h index 7edc47307217..482c3e3f9879 100644 --- a/include/asm-x86/pat.h +++ b/include/asm-x86/pat.h @@ -1,5 +1,5 @@ -#ifndef _ASM_PAT_H -#define _ASM_PAT_H +#ifndef ASM_X86__PAT_H +#define ASM_X86__PAT_H #include @@ -19,4 +19,4 @@ extern int free_memtype(u64 start, u64 end); extern void pat_disable(char *reason); -#endif +#endif /* ASM_X86__PAT_H */ diff --git a/include/asm-x86/pci-direct.h b/include/asm-x86/pci-direct.h index 80c775d9fe20..da42be07b690 100644 --- a/include/asm-x86/pci-direct.h +++ b/include/asm-x86/pci-direct.h @@ -1,5 +1,5 @@ -#ifndef ASM_PCI_DIRECT_H -#define ASM_PCI_DIRECT_H 1 +#ifndef ASM_X86__PCI_DIRECT_H +#define ASM_X86__PCI_DIRECT_H #include @@ -18,4 +18,4 @@ extern int early_pci_allowed(void); extern unsigned int pci_early_dump_regs; extern void early_dump_pci_device(u8 bus, u8 slot, u8 func); extern void early_dump_pci_devices(void); -#endif +#endif /* ASM_X86__PCI_DIRECT_H */ diff --git a/include/asm-x86/pci.h b/include/asm-x86/pci.h index 2db14cf17db8..602583192991 100644 --- a/include/asm-x86/pci.h +++ b/include/asm-x86/pci.h @@ -1,5 +1,5 @@ -#ifndef __x86_PCI_H -#define __x86_PCI_H +#ifndef ASM_X86__PCI_H +#define ASM_X86__PCI_H #include /* for struct page */ #include @@ -111,4 +111,4 @@ static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus) } #endif -#endif +#endif /* ASM_X86__PCI_H */ diff --git a/include/asm-x86/pci_32.h b/include/asm-x86/pci_32.h index a50d46851285..3f2288207c0c 100644 --- a/include/asm-x86/pci_32.h +++ b/include/asm-x86/pci_32.h @@ -1,5 +1,5 @@ -#ifndef __i386_PCI_H -#define __i386_PCI_H +#ifndef ASM_X86__PCI_32_H +#define ASM_X86__PCI_32_H #ifdef __KERNEL__ @@ -31,4 +31,4 @@ struct pci_dev; #endif /* __KERNEL__ */ -#endif /* __i386_PCI_H */ +#endif /* ASM_X86__PCI_32_H */ diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h index f330234ffa5c..f72e12d5770e 100644 --- a/include/asm-x86/pci_64.h +++ b/include/asm-x86/pci_64.h @@ -1,5 +1,5 @@ -#ifndef __x8664_PCI_H -#define __x8664_PCI_H +#ifndef ASM_X86__PCI_64_H +#define ASM_X86__PCI_64_H #ifdef __KERNEL__ @@ -63,4 +63,4 @@ extern void pci_iommu_alloc(void); #endif /* __KERNEL__ */ -#endif /* __x8664_PCI_H */ +#endif /* ASM_X86__PCI_64_H */ diff --git a/include/asm-x86/pda.h b/include/asm-x86/pda.h index b34e9a7cc80b..80860afffbdb 100644 --- a/include/asm-x86/pda.h +++ b/include/asm-x86/pda.h @@ -1,5 +1,5 @@ -#ifndef X86_64_PDA_H -#define X86_64_PDA_H +#ifndef ASM_X86__PDA_H +#define ASM_X86__PDA_H #ifndef __ASSEMBLY__ #include @@ -134,4 +134,4 @@ do { \ #define PDA_STACKOFFSET (5*8) -#endif +#endif /* ASM_X86__PDA_H */ diff --git a/include/asm-x86/percpu.h b/include/asm-x86/percpu.h index 4e91ee1e37aa..0afc8324807e 100644 --- a/include/asm-x86/percpu.h +++ b/include/asm-x86/percpu.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PERCPU_H_ -#define _ASM_X86_PERCPU_H_ +#ifndef ASM_X86__PERCPU_H +#define ASM_X86__PERCPU_H #ifdef CONFIG_X86_64 #include @@ -215,4 +215,4 @@ do { \ #endif /* !CONFIG_SMP */ -#endif /* _ASM_X86_PERCPU_H_ */ +#endif /* ASM_X86__PERCPU_H */ diff --git a/include/asm-x86/pgalloc.h b/include/asm-x86/pgalloc.h index d63ea431cb3b..3cd23adedae8 100644 --- a/include/asm-x86/pgalloc.h +++ b/include/asm-x86/pgalloc.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PGALLOC_H -#define _ASM_X86_PGALLOC_H +#ifndef ASM_X86__PGALLOC_H +#define ASM_X86__PGALLOC_H #include #include /* for struct page */ @@ -111,4 +111,4 @@ extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); #endif /* PAGETABLE_LEVELS > 3 */ #endif /* PAGETABLE_LEVELS > 2 */ -#endif /* _ASM_X86_PGALLOC_H */ +#endif /* ASM_X86__PGALLOC_H */ diff --git a/include/asm-x86/pgtable-2level-defs.h b/include/asm-x86/pgtable-2level-defs.h index 0f71c9f13da4..7ec48f4e5347 100644 --- a/include/asm-x86/pgtable-2level-defs.h +++ b/include/asm-x86/pgtable-2level-defs.h @@ -1,5 +1,5 @@ -#ifndef _I386_PGTABLE_2LEVEL_DEFS_H -#define _I386_PGTABLE_2LEVEL_DEFS_H +#ifndef ASM_X86__PGTABLE_2LEVEL_DEFS_H +#define ASM_X86__PGTABLE_2LEVEL_DEFS_H #define SHARED_KERNEL_PMD 0 @@ -17,4 +17,4 @@ #define PTRS_PER_PTE 1024 -#endif /* _I386_PGTABLE_2LEVEL_DEFS_H */ +#endif /* ASM_X86__PGTABLE_2LEVEL_DEFS_H */ diff --git a/include/asm-x86/pgtable-2level.h b/include/asm-x86/pgtable-2level.h index 46bc52c0eae1..60440b191626 100644 --- a/include/asm-x86/pgtable-2level.h +++ b/include/asm-x86/pgtable-2level.h @@ -1,5 +1,5 @@ -#ifndef _I386_PGTABLE_2LEVEL_H -#define _I386_PGTABLE_2LEVEL_H +#ifndef ASM_X86__PGTABLE_2LEVEL_H +#define ASM_X86__PGTABLE_2LEVEL_H #define pte_ERROR(e) \ printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low) @@ -78,4 +78,4 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp) #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) -#endif /* _I386_PGTABLE_2LEVEL_H */ +#endif /* ASM_X86__PGTABLE_2LEVEL_H */ diff --git a/include/asm-x86/pgtable-3level-defs.h b/include/asm-x86/pgtable-3level-defs.h index 448ac9516314..c05fe6ff3720 100644 --- a/include/asm-x86/pgtable-3level-defs.h +++ b/include/asm-x86/pgtable-3level-defs.h @@ -1,5 +1,5 @@ -#ifndef _I386_PGTABLE_3LEVEL_DEFS_H -#define _I386_PGTABLE_3LEVEL_DEFS_H +#ifndef ASM_X86__PGTABLE_3LEVEL_DEFS_H +#define ASM_X86__PGTABLE_3LEVEL_DEFS_H #ifdef CONFIG_PARAVIRT #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) @@ -25,4 +25,4 @@ */ #define PTRS_PER_PTE 512 -#endif /* _I386_PGTABLE_3LEVEL_DEFS_H */ +#endif /* ASM_X86__PGTABLE_3LEVEL_DEFS_H */ diff --git a/include/asm-x86/pgtable-3level.h b/include/asm-x86/pgtable-3level.h index c93dbb6c2624..a9ad971a733d 100644 --- a/include/asm-x86/pgtable-3level.h +++ b/include/asm-x86/pgtable-3level.h @@ -1,5 +1,5 @@ -#ifndef _I386_PGTABLE_3LEVEL_H -#define _I386_PGTABLE_3LEVEL_H +#ifndef ASM_X86__PGTABLE_3LEVEL_H +#define ASM_X86__PGTABLE_3LEVEL_H /* * Intel Physical Address Extension (PAE) Mode - three-level page @@ -179,4 +179,4 @@ static inline unsigned long pte_pfn(pte_t pte) #define __pte_to_swp_entry(pte) ((swp_entry_t){ (pte).pte_high }) #define __swp_entry_to_pte(x) ((pte_t){ { .pte_high = (x).val } }) -#endif /* _I386_PGTABLE_3LEVEL_H */ +#endif /* ASM_X86__PGTABLE_3LEVEL_H */ diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 96aa76e691d8..b8d7c530054e 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PGTABLE_H -#define _ASM_X86_PGTABLE_H +#ifndef ASM_X86__PGTABLE_H +#define ASM_X86__PGTABLE_H #define FIRST_USER_ADDRESS 0 @@ -518,4 +518,4 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) #include #endif /* __ASSEMBLY__ */ -#endif /* _ASM_X86_PGTABLE_H */ +#endif /* ASM_X86__PGTABLE_H */ diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 0611abf96a5e..4fa3b046e1b1 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -1,5 +1,5 @@ -#ifndef _I386_PGTABLE_H -#define _I386_PGTABLE_H +#ifndef ASM_X86__PGTABLE_32_H +#define ASM_X86__PGTABLE_32_H /* @@ -186,4 +186,4 @@ do { \ #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ remap_pfn_range(vma, vaddr, pfn, size, prot) -#endif /* _I386_PGTABLE_H */ +#endif /* ASM_X86__PGTABLE_32_H */ diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index 805d3128bfc4..b80c0d7658c3 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -1,5 +1,5 @@ -#ifndef _X86_64_PGTABLE_H -#define _X86_64_PGTABLE_H +#ifndef ASM_X86__PGTABLE_64_H +#define ASM_X86__PGTABLE_64_H #include #ifndef __ASSEMBLY__ @@ -284,4 +284,4 @@ extern void cleanup_highmap(void); #define __HAVE_ARCH_PTE_SAME #endif /* !__ASSEMBLY__ */ -#endif /* _X86_64_PGTABLE_H */ +#endif /* ASM_X86__PGTABLE_64_H */ diff --git a/include/asm-x86/posix_types_32.h b/include/asm-x86/posix_types_32.h index b031efda37ec..70cf2bb05939 100644 --- a/include/asm-x86/posix_types_32.h +++ b/include/asm-x86/posix_types_32.h @@ -1,5 +1,5 @@ -#ifndef __ARCH_I386_POSIX_TYPES_H -#define __ARCH_I386_POSIX_TYPES_H +#ifndef ASM_X86__POSIX_TYPES_32_H +#define ASM_X86__POSIX_TYPES_32_H /* * This file is generally used by user-level software, so you need to @@ -82,4 +82,4 @@ do { \ #endif /* defined(__KERNEL__) */ -#endif +#endif /* ASM_X86__POSIX_TYPES_32_H */ diff --git a/include/asm-x86/posix_types_64.h b/include/asm-x86/posix_types_64.h index d6624c95854a..388b4e7f4a44 100644 --- a/include/asm-x86/posix_types_64.h +++ b/include/asm-x86/posix_types_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_POSIX_TYPES_H -#define _ASM_X86_64_POSIX_TYPES_H +#ifndef ASM_X86__POSIX_TYPES_64_H +#define ASM_X86__POSIX_TYPES_64_H /* * This file is generally used by user-level software, so you need to @@ -116,4 +116,4 @@ static inline void __FD_ZERO(__kernel_fd_set *p) #endif /* defined(__KERNEL__) */ -#endif +#endif /* ASM_X86__POSIX_TYPES_64_H */ diff --git a/include/asm-x86/prctl.h b/include/asm-x86/prctl.h index 52952adef1ca..e7ae34eb4103 100644 --- a/include/asm-x86/prctl.h +++ b/include/asm-x86/prctl.h @@ -1,5 +1,5 @@ -#ifndef X86_64_PRCTL_H -#define X86_64_PRCTL_H 1 +#ifndef ASM_X86__PRCTL_H +#define ASM_X86__PRCTL_H #define ARCH_SET_GS 0x1001 #define ARCH_SET_FS 0x1002 @@ -7,4 +7,4 @@ #define ARCH_GET_GS 0x1004 -#endif +#endif /* ASM_X86__PRCTL_H */ diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h index 092b39b3a7e6..ae1d434f1972 100644 --- a/include/asm-x86/processor-flags.h +++ b/include/asm-x86/processor-flags.h @@ -1,5 +1,5 @@ -#ifndef __ASM_I386_PROCESSOR_FLAGS_H -#define __ASM_I386_PROCESSOR_FLAGS_H +#ifndef ASM_X86__PROCESSOR_FLAGS_H +#define ASM_X86__PROCESSOR_FLAGS_H /* Various flags defined: can be included from assembler. */ /* @@ -94,4 +94,4 @@ #define X86_VM_MASK 0 /* No VM86 support */ #endif -#endif /* __ASM_I386_PROCESSOR_FLAGS_H */ +#endif /* ASM_X86__PROCESSOR_FLAGS_H */ diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 15cb82a44e89..a9a28baef69b 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -1,5 +1,5 @@ -#ifndef __ASM_X86_PROCESSOR_H -#define __ASM_X86_PROCESSOR_H +#ifndef ASM_X86__PROCESSOR_H +#define ASM_X86__PROCESSOR_H #include @@ -920,4 +920,4 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, extern int get_tsc_mode(unsigned long adr); extern int set_tsc_mode(unsigned int val); -#endif +#endif /* ASM_X86__PROCESSOR_H */ diff --git a/include/asm-x86/proto.h b/include/asm-x86/proto.h index 3dd458c385c0..6e89e8b4de0e 100644 --- a/include/asm-x86/proto.h +++ b/include/asm-x86/proto.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X8664_PROTO_H -#define _ASM_X8664_PROTO_H 1 +#ifndef ASM_X86__PROTO_H +#define ASM_X86__PROTO_H #include @@ -29,4 +29,4 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr); #define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1)) #define round_down(x, y) ((x) & ~((y) - 1)) -#endif +#endif /* ASM_X86__PROTO_H */ diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h index 72e7b9db29bb..d0cf3344a586 100644 --- a/include/asm-x86/ptrace-abi.h +++ b/include/asm-x86/ptrace-abi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PTRACE_ABI_H -#define _ASM_X86_PTRACE_ABI_H +#ifndef ASM_X86__PTRACE_ABI_H +#define ASM_X86__PTRACE_ABI_H #ifdef __i386__ @@ -140,4 +140,4 @@ struct ptrace_bts_config { Returns number of BTS records drained. */ -#endif +#endif /* ASM_X86__PTRACE_ABI_H */ diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 8a71db803da6..d464f252edc3 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PTRACE_H -#define _ASM_X86_PTRACE_H +#ifndef ASM_X86__PTRACE_H +#define ASM_X86__PTRACE_H #include /* For __user */ #include @@ -239,4 +239,4 @@ extern int do_set_thread_area(struct task_struct *p, int idx, #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__PTRACE_H */ diff --git a/include/asm-x86/pvclock-abi.h b/include/asm-x86/pvclock-abi.h index 6857f840b243..edb3b4ecfc81 100644 --- a/include/asm-x86/pvclock-abi.h +++ b/include/asm-x86/pvclock-abi.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PVCLOCK_ABI_H_ -#define _ASM_X86_PVCLOCK_ABI_H_ +#ifndef ASM_X86__PVCLOCK_ABI_H +#define ASM_X86__PVCLOCK_ABI_H #ifndef __ASSEMBLY__ /* @@ -39,4 +39,4 @@ struct pvclock_wall_clock { } __attribute__((__packed__)); #endif /* __ASSEMBLY__ */ -#endif /* _ASM_X86_PVCLOCK_ABI_H_ */ +#endif /* ASM_X86__PVCLOCK_ABI_H */ diff --git a/include/asm-x86/pvclock.h b/include/asm-x86/pvclock.h index 85b1bba8e0a3..1a38f6834800 100644 --- a/include/asm-x86/pvclock.h +++ b/include/asm-x86/pvclock.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_PVCLOCK_H_ -#define _ASM_X86_PVCLOCK_H_ +#ifndef ASM_X86__PVCLOCK_H +#define ASM_X86__PVCLOCK_H #include #include @@ -10,4 +10,4 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall, struct pvclock_vcpu_time_info *vcpu, struct timespec *ts); -#endif /* _ASM_X86_PVCLOCK_H_ */ +#endif /* ASM_X86__PVCLOCK_H */ diff --git a/include/asm-x86/reboot.h b/include/asm-x86/reboot.h index 206f355786dc..1c2f0ce9e31e 100644 --- a/include/asm-x86/reboot.h +++ b/include/asm-x86/reboot.h @@ -1,5 +1,5 @@ -#ifndef _ASM_REBOOT_H -#define _ASM_REBOOT_H +#ifndef ASM_X86__REBOOT_H +#define ASM_X86__REBOOT_H struct pt_regs; @@ -18,4 +18,4 @@ void native_machine_crash_shutdown(struct pt_regs *regs); void native_machine_shutdown(void); void machine_real_restart(const unsigned char *code, int length); -#endif /* _ASM_REBOOT_H */ +#endif /* ASM_X86__REBOOT_H */ diff --git a/include/asm-x86/reboot_fixups.h b/include/asm-x86/reboot_fixups.h index 0cb7d87c2b68..2c2987d97570 100644 --- a/include/asm-x86/reboot_fixups.h +++ b/include/asm-x86/reboot_fixups.h @@ -1,6 +1,6 @@ -#ifndef _LINUX_REBOOT_FIXUPS_H -#define _LINUX_REBOOT_FIXUPS_H +#ifndef ASM_X86__REBOOT_FIXUPS_H +#define ASM_X86__REBOOT_FIXUPS_H extern void mach_reboot_fixups(void); -#endif /* _LINUX_REBOOT_FIXUPS_H */ +#endif /* ASM_X86__REBOOT_FIXUPS_H */ diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h index adec887dd7cd..d6822e099c57 100644 --- a/include/asm-x86/required-features.h +++ b/include/asm-x86/required-features.h @@ -1,5 +1,5 @@ -#ifndef _ASM_REQUIRED_FEATURES_H -#define _ASM_REQUIRED_FEATURES_H 1 +#ifndef ASM_X86__REQUIRED_FEATURES_H +#define ASM_X86__REQUIRED_FEATURES_H /* Define minimum CPUID feature set for kernel These bits are checked really early to actually display a visible error message before the @@ -73,4 +73,4 @@ #define REQUIRED_MASK6 0 #define REQUIRED_MASK7 0 -#endif +#endif /* ASM_X86__REQUIRED_FEATURES_H */ diff --git a/include/asm-x86/resume-trace.h b/include/asm-x86/resume-trace.h index 8d9f0b41ee86..519a8ecbfc95 100644 --- a/include/asm-x86/resume-trace.h +++ b/include/asm-x86/resume-trace.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_RESUME_TRACE_H -#define _ASM_X86_RESUME_TRACE_H +#ifndef ASM_X86__RESUME_TRACE_H +#define ASM_X86__RESUME_TRACE_H #include @@ -18,4 +18,4 @@ do { \ } \ } while (0) -#endif +#endif /* ASM_X86__RESUME_TRACE_H */ diff --git a/include/asm-x86/rio.h b/include/asm-x86/rio.h index c9448bd8968f..5e1256bdee83 100644 --- a/include/asm-x86/rio.h +++ b/include/asm-x86/rio.h @@ -5,8 +5,8 @@ * Author: Laurent Vivier */ -#ifndef __ASM_RIO_H -#define __ASM_RIO_H +#ifndef ASM_X86__RIO_H +#define ASM_X86__RIO_H #define RIO_TABLE_VERSION 3 @@ -60,4 +60,4 @@ enum { ALT_CALGARY = 5, /* Second Planar Calgary */ }; -#endif /* __ASM_RIO_H */ +#endif /* ASM_X86__RIO_H */ diff --git a/include/asm-x86/rwlock.h b/include/asm-x86/rwlock.h index 6a8c0d645108..48a3109e1a7d 100644 --- a/include/asm-x86/rwlock.h +++ b/include/asm-x86/rwlock.h @@ -1,8 +1,8 @@ -#ifndef _ASM_X86_RWLOCK_H -#define _ASM_X86_RWLOCK_H +#ifndef ASM_X86__RWLOCK_H +#define ASM_X86__RWLOCK_H #define RW_LOCK_BIAS 0x01000000 /* Actual code is in asm/spinlock.h or in arch/x86/lib/rwlock.S */ -#endif /* _ASM_X86_RWLOCK_H */ +#endif /* ASM_X86__RWLOCK_H */ diff --git a/include/asm-x86/rwsem.h b/include/asm-x86/rwsem.h index 750f2a3542b3..3ff3015b71a8 100644 --- a/include/asm-x86/rwsem.h +++ b/include/asm-x86/rwsem.h @@ -29,8 +29,8 @@ * front, then they'll all be woken up, but no other readers will be. */ -#ifndef _I386_RWSEM_H -#define _I386_RWSEM_H +#ifndef ASM_X86__RWSEM_H +#define ASM_X86__RWSEM_H #ifndef _LINUX_RWSEM_H #error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" @@ -262,4 +262,4 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) } #endif /* __KERNEL__ */ -#endif /* _I386_RWSEM_H */ +#endif /* ASM_X86__RWSEM_H */ diff --git a/include/asm-x86/scatterlist.h b/include/asm-x86/scatterlist.h index c0432061f81a..ee48f880005d 100644 --- a/include/asm-x86/scatterlist.h +++ b/include/asm-x86/scatterlist.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SCATTERLIST_H -#define _ASM_X86_SCATTERLIST_H +#ifndef ASM_X86__SCATTERLIST_H +#define ASM_X86__SCATTERLIST_H #include @@ -30,4 +30,4 @@ struct scatterlist { # define sg_dma_len(sg) ((sg)->dma_length) #endif -#endif +#endif /* ASM_X86__SCATTERLIST_H */ diff --git a/include/asm-x86/seccomp_32.h b/include/asm-x86/seccomp_32.h index 36e71c5f306f..cf9ab2dbcef1 100644 --- a/include/asm-x86/seccomp_32.h +++ b/include/asm-x86/seccomp_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_SECCOMP_H -#define _ASM_SECCOMP_H +#ifndef ASM_X86__SECCOMP_32_H +#define ASM_X86__SECCOMP_32_H #include @@ -14,4 +14,4 @@ #define __NR_seccomp_exit __NR_exit #define __NR_seccomp_sigreturn __NR_sigreturn -#endif /* _ASM_SECCOMP_H */ +#endif /* ASM_X86__SECCOMP_32_H */ diff --git a/include/asm-x86/seccomp_64.h b/include/asm-x86/seccomp_64.h index 76cfe69aa63c..03274cea751f 100644 --- a/include/asm-x86/seccomp_64.h +++ b/include/asm-x86/seccomp_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_SECCOMP_H -#define _ASM_SECCOMP_H +#ifndef ASM_X86__SECCOMP_64_H +#define ASM_X86__SECCOMP_64_H #include @@ -22,4 +22,4 @@ #define __NR_seccomp_exit_32 __NR_ia32_exit #define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn -#endif /* _ASM_SECCOMP_H */ +#endif /* ASM_X86__SECCOMP_64_H */ diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h index 646452ea9ea3..ea5f0a8686f7 100644 --- a/include/asm-x86/segment.h +++ b/include/asm-x86/segment.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SEGMENT_H_ -#define _ASM_X86_SEGMENT_H_ +#ifndef ASM_X86__SEGMENT_H +#define ASM_X86__SEGMENT_H /* Constructor for a conventional segment GDT (or LDT) entry */ /* This is a macro so it can be used in initializers */ @@ -212,4 +212,4 @@ extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10]; #endif #endif -#endif +#endif /* ASM_X86__SEGMENT_H */ diff --git a/include/asm-x86/sembuf.h b/include/asm-x86/sembuf.h index ee50c801f7b7..81f06b7e5a3f 100644 --- a/include/asm-x86/sembuf.h +++ b/include/asm-x86/sembuf.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SEMBUF_H -#define _ASM_X86_SEMBUF_H +#ifndef ASM_X86__SEMBUF_H +#define ASM_X86__SEMBUF_H /* * The semid64_ds structure for x86 architecture. @@ -21,4 +21,4 @@ struct semid64_ds { unsigned long __unused4; }; -#endif /* _ASM_X86_SEMBUF_H */ +#endif /* ASM_X86__SEMBUF_H */ diff --git a/include/asm-x86/serial.h b/include/asm-x86/serial.h index 628c801535ea..303660b671e5 100644 --- a/include/asm-x86/serial.h +++ b/include/asm-x86/serial.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SERIAL_H -#define _ASM_X86_SERIAL_H +#ifndef ASM_X86__SERIAL_H +#define ASM_X86__SERIAL_H /* * This assumes you have a 1.8432 MHz clock for your UART. @@ -26,4 +26,4 @@ { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \ { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */ -#endif /* _ASM_X86_SERIAL_H */ +#endif /* ASM_X86__SERIAL_H */ diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h index a07c6f1c01e1..b7aeba94e430 100644 --- a/include/asm-x86/setup.h +++ b/include/asm-x86/setup.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SETUP_H -#define _ASM_X86_SETUP_H +#ifndef ASM_X86__SETUP_H +#define ASM_X86__SETUP_H #define COMMAND_LINE_SIZE 2048 @@ -100,4 +100,4 @@ void __init x86_64_start_reservations(char *real_mode_data); #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ -#endif /* _ASM_X86_SETUP_H */ +#endif /* ASM_X86__SETUP_H */ diff --git a/include/asm-x86/shmbuf.h b/include/asm-x86/shmbuf.h index b51413b74971..f51aec2298e9 100644 --- a/include/asm-x86/shmbuf.h +++ b/include/asm-x86/shmbuf.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SHMBUF_H -#define _ASM_X86_SHMBUF_H +#ifndef ASM_X86__SHMBUF_H +#define ASM_X86__SHMBUF_H /* * The shmid64_ds structure for x86 architecture. @@ -48,4 +48,4 @@ struct shminfo64 { unsigned long __unused4; }; -#endif /* _ASM_X86_SHMBUF_H */ +#endif /* ASM_X86__SHMBUF_H */ diff --git a/include/asm-x86/shmparam.h b/include/asm-x86/shmparam.h index 0880cf0917b9..a83a1fd96a0e 100644 --- a/include/asm-x86/shmparam.h +++ b/include/asm-x86/shmparam.h @@ -1,6 +1,6 @@ -#ifndef _ASM_X86_SHMPARAM_H -#define _ASM_X86_SHMPARAM_H +#ifndef ASM_X86__SHMPARAM_H +#define ASM_X86__SHMPARAM_H #define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ -#endif /* _ASM_X86_SHMPARAM_H */ +#endif /* ASM_X86__SHMPARAM_H */ diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h index 2f9c884d2c0f..24879c85b291 100644 --- a/include/asm-x86/sigcontext.h +++ b/include/asm-x86/sigcontext.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SIGCONTEXT_H -#define _ASM_X86_SIGCONTEXT_H +#ifndef ASM_X86__SIGCONTEXT_H +#define ASM_X86__SIGCONTEXT_H #include #include @@ -202,4 +202,4 @@ struct sigcontext { #endif /* !__i386__ */ -#endif +#endif /* ASM_X86__SIGCONTEXT_H */ diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h index 57a9686fb491..4e2ec732dd01 100644 --- a/include/asm-x86/sigcontext32.h +++ b/include/asm-x86/sigcontext32.h @@ -1,5 +1,5 @@ -#ifndef _SIGCONTEXT32_H -#define _SIGCONTEXT32_H 1 +#ifndef ASM_X86__SIGCONTEXT32_H +#define ASM_X86__SIGCONTEXT32_H /* signal context for 32bit programs. */ @@ -68,4 +68,4 @@ struct sigcontext_ia32 { unsigned int cr2; }; -#endif +#endif /* ASM_X86__SIGCONTEXT32_H */ diff --git a/include/asm-x86/siginfo.h b/include/asm-x86/siginfo.h index a477bea0c2a1..808bdfb2958c 100644 --- a/include/asm-x86/siginfo.h +++ b/include/asm-x86/siginfo.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SIGINFO_H -#define _ASM_X86_SIGINFO_H +#ifndef ASM_X86__SIGINFO_H +#define ASM_X86__SIGINFO_H #ifdef __x86_64__ # define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) @@ -7,4 +7,4 @@ #include -#endif +#endif /* ASM_X86__SIGINFO_H */ diff --git a/include/asm-x86/signal.h b/include/asm-x86/signal.h index 6dac49364e95..6ee32822779a 100644 --- a/include/asm-x86/signal.h +++ b/include/asm-x86/signal.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SIGNAL_H -#define _ASM_X86_SIGNAL_H +#ifndef ASM_X86__SIGNAL_H +#define ASM_X86__SIGNAL_H #ifndef __ASSEMBLY__ #include @@ -256,4 +256,4 @@ struct pt_regs; #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ -#endif +#endif /* ASM_X86__SIGNAL_H */ diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 3c877f74f279..cd3c5f03fcaf 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SMP_H_ -#define _ASM_X86_SMP_H_ +#ifndef ASM_X86__SMP_H +#define ASM_X86__SMP_H #ifndef __ASSEMBLY__ #include #include @@ -205,4 +205,4 @@ extern void cpu_uninit(void); #endif #endif /* __ASSEMBLY__ */ -#endif +#endif /* ASM_X86__SMP_H */ diff --git a/include/asm-x86/socket.h b/include/asm-x86/socket.h index 80af9c4ccad7..db73274c83c3 100644 --- a/include/asm-x86/socket.h +++ b/include/asm-x86/socket.h @@ -1,5 +1,5 @@ -#ifndef _ASM_SOCKET_H -#define _ASM_SOCKET_H +#ifndef ASM_X86__SOCKET_H +#define ASM_X86__SOCKET_H #include @@ -54,4 +54,4 @@ #define SO_MARK 36 -#endif /* _ASM_SOCKET_H */ +#endif /* ASM_X86__SOCKET_H */ diff --git a/include/asm-x86/sockios.h b/include/asm-x86/sockios.h index 49cc72b5d3c9..a006704fdc84 100644 --- a/include/asm-x86/sockios.h +++ b/include/asm-x86/sockios.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SOCKIOS_H -#define _ASM_X86_SOCKIOS_H +#ifndef ASM_X86__SOCKIOS_H +#define ASM_X86__SOCKIOS_H /* Socket-level I/O control calls. */ #define FIOSETOWN 0x8901 @@ -10,4 +10,4 @@ #define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ #define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ -#endif /* _ASM_X86_SOCKIOS_H */ +#endif /* ASM_X86__SOCKIOS_H */ diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h index 9bd48b0a534b..38f8e6bc3186 100644 --- a/include/asm-x86/sparsemem.h +++ b/include/asm-x86/sparsemem.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SPARSEMEM_H -#define _ASM_X86_SPARSEMEM_H +#ifndef ASM_X86__SPARSEMEM_H +#define ASM_X86__SPARSEMEM_H #ifdef CONFIG_SPARSEMEM /* @@ -31,4 +31,4 @@ #endif #endif /* CONFIG_SPARSEMEM */ -#endif +#endif /* ASM_X86__SPARSEMEM_H */ diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h index 4f9a9861799a..cbe01086ba64 100644 --- a/include/asm-x86/spinlock.h +++ b/include/asm-x86/spinlock.h @@ -1,5 +1,5 @@ -#ifndef _X86_SPINLOCK_H_ -#define _X86_SPINLOCK_H_ +#ifndef ASM_X86__SPINLOCK_H +#define ASM_X86__SPINLOCK_H #include #include @@ -366,4 +366,4 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) #define _raw_read_relax(lock) cpu_relax() #define _raw_write_relax(lock) cpu_relax() -#endif +#endif /* ASM_X86__SPINLOCK_H */ diff --git a/include/asm-x86/spinlock_types.h b/include/asm-x86/spinlock_types.h index 06c071c9eee9..6aa9b562c508 100644 --- a/include/asm-x86/spinlock_types.h +++ b/include/asm-x86/spinlock_types.h @@ -1,5 +1,5 @@ -#ifndef __ASM_SPINLOCK_TYPES_H -#define __ASM_SPINLOCK_TYPES_H +#ifndef ASM_X86__SPINLOCK_TYPES_H +#define ASM_X86__SPINLOCK_TYPES_H #ifndef __LINUX_SPINLOCK_TYPES_H # error "please don't include this file directly" @@ -17,4 +17,4 @@ typedef struct { #define __RAW_RW_LOCK_UNLOCKED { RW_LOCK_BIAS } -#endif +#endif /* ASM_X86__SPINLOCK_TYPES_H */ diff --git a/include/asm-x86/srat.h b/include/asm-x86/srat.h index 774c919dc232..5363e4f7e1cd 100644 --- a/include/asm-x86/srat.h +++ b/include/asm-x86/srat.h @@ -24,8 +24,8 @@ * Send feedback to Pat Gaughen */ -#ifndef _ASM_SRAT_H_ -#define _ASM_SRAT_H_ +#ifndef ASM_X86__SRAT_H +#define ASM_X86__SRAT_H #ifdef CONFIG_ACPI_NUMA extern int get_memcfg_from_srat(void); @@ -36,4 +36,4 @@ static inline int get_memcfg_from_srat(void) } #endif -#endif /* _ASM_SRAT_H_ */ +#endif /* ASM_X86__SRAT_H */ diff --git a/include/asm-x86/stacktrace.h b/include/asm-x86/stacktrace.h index 30f82526a8e2..f43517e28532 100644 --- a/include/asm-x86/stacktrace.h +++ b/include/asm-x86/stacktrace.h @@ -1,5 +1,5 @@ -#ifndef _ASM_STACKTRACE_H -#define _ASM_STACKTRACE_H 1 +#ifndef ASM_X86__STACKTRACE_H +#define ASM_X86__STACKTRACE_H extern int kstack_depth_to_print; @@ -18,4 +18,4 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack, unsigned long bp, const struct stacktrace_ops *ops, void *data); -#endif +#endif /* ASM_X86__STACKTRACE_H */ diff --git a/include/asm-x86/stat.h b/include/asm-x86/stat.h index 5c22dcb5d17e..1e120f628905 100644 --- a/include/asm-x86/stat.h +++ b/include/asm-x86/stat.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_STAT_H -#define _ASM_X86_STAT_H +#ifndef ASM_X86__STAT_H +#define ASM_X86__STAT_H #define STAT_HAVE_NSEC 1 @@ -111,4 +111,4 @@ struct __old_kernel_stat { #endif }; -#endif +#endif /* ASM_X86__STAT_H */ diff --git a/include/asm-x86/statfs.h b/include/asm-x86/statfs.h index 7c651aa97252..3f005bc3aa5b 100644 --- a/include/asm-x86/statfs.h +++ b/include/asm-x86/statfs.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_STATFS_H -#define _ASM_X86_STATFS_H +#ifndef ASM_X86__STATFS_H +#define ASM_X86__STATFS_H #ifdef __i386__ #include @@ -60,4 +60,4 @@ struct compat_statfs64 { } __attribute__((packed)); #endif /* !__i386__ */ -#endif +#endif /* ASM_X86__STATFS_H */ diff --git a/include/asm-x86/string_32.h b/include/asm-x86/string_32.h index 193578cd1fd9..487843ed245a 100644 --- a/include/asm-x86/string_32.h +++ b/include/asm-x86/string_32.h @@ -1,5 +1,5 @@ -#ifndef _I386_STRING_H_ -#define _I386_STRING_H_ +#ifndef ASM_X86__STRING_32_H +#define ASM_X86__STRING_32_H #ifdef __KERNEL__ @@ -323,4 +323,4 @@ extern void *memscan(void *addr, int c, size_t size); #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__STRING_32_H */ diff --git a/include/asm-x86/string_64.h b/include/asm-x86/string_64.h index 52b5ab383395..a2add11d3b66 100644 --- a/include/asm-x86/string_64.h +++ b/include/asm-x86/string_64.h @@ -1,5 +1,5 @@ -#ifndef _X86_64_STRING_H_ -#define _X86_64_STRING_H_ +#ifndef ASM_X86__STRING_64_H +#define ASM_X86__STRING_64_H #ifdef __KERNEL__ @@ -57,4 +57,4 @@ int strcmp(const char *cs, const char *ct); #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__STRING_64_H */ diff --git a/include/asm-x86/suspend_32.h b/include/asm-x86/suspend_32.h index 8675c6782a7d..acb6d4d491f4 100644 --- a/include/asm-x86/suspend_32.h +++ b/include/asm-x86/suspend_32.h @@ -3,8 +3,8 @@ * Based on code * Copyright 2001 Patrick Mochel */ -#ifndef __ASM_X86_32_SUSPEND_H -#define __ASM_X86_32_SUSPEND_H +#ifndef ASM_X86__SUSPEND_32_H +#define ASM_X86__SUSPEND_32_H #include #include @@ -48,4 +48,4 @@ static inline void acpi_save_register_state(unsigned long return_point) extern int acpi_save_state_mem(void); #endif -#endif /* __ASM_X86_32_SUSPEND_H */ +#endif /* ASM_X86__SUSPEND_32_H */ diff --git a/include/asm-x86/suspend_64.h b/include/asm-x86/suspend_64.h index dc3262b43072..cf821dd310e8 100644 --- a/include/asm-x86/suspend_64.h +++ b/include/asm-x86/suspend_64.h @@ -3,8 +3,8 @@ * Based on code * Copyright 2001 Patrick Mochel */ -#ifndef __ASM_X86_64_SUSPEND_H -#define __ASM_X86_64_SUSPEND_H +#ifndef ASM_X86__SUSPEND_64_H +#define ASM_X86__SUSPEND_64_H #include #include @@ -49,4 +49,4 @@ extern int acpi_save_state_mem(void); extern char core_restore_code; extern char restore_registers; -#endif /* __ASM_X86_64_SUSPEND_H */ +#endif /* ASM_X86__SUSPEND_64_H */ diff --git a/include/asm-x86/swiotlb.h b/include/asm-x86/swiotlb.h index c706a7442633..9486c400a71d 100644 --- a/include/asm-x86/swiotlb.h +++ b/include/asm-x86/swiotlb.h @@ -1,5 +1,5 @@ -#ifndef _ASM_SWIOTLB_H -#define _ASM_SWIOTLB_H 1 +#ifndef ASM_X86__SWIOTLB_H +#define ASM_X86__SWIOTLB_H #include @@ -55,4 +55,4 @@ static inline void pci_swiotlb_init(void) static inline void dma_mark_clean(void *addr, size_t size) {} -#endif /* _ASM_SWIOTLB_H */ +#endif /* ASM_X86__SWIOTLB_H */ diff --git a/include/asm-x86/sync_bitops.h b/include/asm-x86/sync_bitops.h index b47a1d0b8a83..b689bee71104 100644 --- a/include/asm-x86/sync_bitops.h +++ b/include/asm-x86/sync_bitops.h @@ -1,5 +1,5 @@ -#ifndef _I386_SYNC_BITOPS_H -#define _I386_SYNC_BITOPS_H +#ifndef ASM_X86__SYNC_BITOPS_H +#define ASM_X86__SYNC_BITOPS_H /* * Copyright 1992, Linus Torvalds. @@ -127,4 +127,4 @@ static inline int sync_test_and_change_bit(int nr, volatile unsigned long *addr) #undef ADDR -#endif /* _I386_SYNC_BITOPS_H */ +#endif /* ASM_X86__SYNC_BITOPS_H */ diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index 983ce37c491f..34505dd7b24d 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_SYSTEM_H_ -#define _ASM_X86_SYSTEM_H_ +#ifndef ASM_X86__SYSTEM_H +#define ASM_X86__SYSTEM_H #include #include @@ -419,4 +419,4 @@ static inline void rdtsc_barrier(void) alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); } -#endif +#endif /* ASM_X86__SYSTEM_H */ diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h index 97fa251ccb2b..5aedb8bffc5a 100644 --- a/include/asm-x86/system_64.h +++ b/include/asm-x86/system_64.h @@ -1,5 +1,5 @@ -#ifndef __ASM_SYSTEM_H -#define __ASM_SYSTEM_H +#ifndef ASM_X86__SYSTEM_64_H +#define ASM_X86__SYSTEM_64_H #include #include @@ -19,4 +19,4 @@ static inline void write_cr8(unsigned long val) #include -#endif +#endif /* ASM_X86__SYSTEM_64_H */ diff --git a/include/asm-x86/tce.h b/include/asm-x86/tce.h index b1a4ea00df78..e7932d7fbbab 100644 --- a/include/asm-x86/tce.h +++ b/include/asm-x86/tce.h @@ -21,8 +21,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef _ASM_X86_64_TCE_H -#define _ASM_X86_64_TCE_H +#ifndef ASM_X86__TCE_H +#define ASM_X86__TCE_H extern unsigned int specified_table_size; struct iommu_table; @@ -45,4 +45,4 @@ extern void * __init alloc_tce_table(void); extern void __init free_tce_table(void *tbl); extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar); -#endif /* _ASM_X86_64_TCE_H */ +#endif /* ASM_X86__TCE_H */ diff --git a/include/asm-x86/termbits.h b/include/asm-x86/termbits.h index af1b70ea440f..3d00dc5e0c71 100644 --- a/include/asm-x86/termbits.h +++ b/include/asm-x86/termbits.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TERMBITS_H -#define _ASM_X86_TERMBITS_H +#ifndef ASM_X86__TERMBITS_H +#define ASM_X86__TERMBITS_H #include @@ -195,4 +195,4 @@ struct ktermios { #define TCSADRAIN 1 #define TCSAFLUSH 2 -#endif /* _ASM_X86_TERMBITS_H */ +#endif /* ASM_X86__TERMBITS_H */ diff --git a/include/asm-x86/termios.h b/include/asm-x86/termios.h index f72956331c49..e235db248071 100644 --- a/include/asm-x86/termios.h +++ b/include/asm-x86/termios.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TERMIOS_H -#define _ASM_X86_TERMIOS_H +#ifndef ASM_X86__TERMIOS_H +#define ASM_X86__TERMIOS_H #include #include @@ -110,4 +110,4 @@ static inline int kernel_termios_to_user_termios_1(struct termios __user *u, #endif /* __KERNEL__ */ -#endif /* _ASM_X86_TERMIOS_H */ +#endif /* ASM_X86__TERMIOS_H */ diff --git a/include/asm-x86/therm_throt.h b/include/asm-x86/therm_throt.h index 399bf6026b16..1c7f57b6b66e 100644 --- a/include/asm-x86/therm_throt.h +++ b/include/asm-x86/therm_throt.h @@ -1,9 +1,9 @@ -#ifndef __ASM_I386_THERM_THROT_H__ -#define __ASM_I386_THERM_THROT_H__ 1 +#ifndef ASM_X86__THERM_THROT_H +#define ASM_X86__THERM_THROT_H #include extern atomic_t therm_throt_en; int therm_throt_process(int curr); -#endif /* __ASM_I386_THERM_THROT_H__ */ +#endif /* ASM_X86__THERM_THROT_H */ diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h index 0a8f27d31d0d..50315a5dd183 100644 --- a/include/asm-x86/thread_info.h +++ b/include/asm-x86/thread_info.h @@ -4,8 +4,8 @@ * - Incorporating suggestions made by Linus Torvalds and Dave Miller */ -#ifndef _ASM_X86_THREAD_INFO_H -#define _ASM_X86_THREAD_INFO_H +#ifndef ASM_X86__THREAD_INFO_H +#define ASM_X86__THREAD_INFO_H #include #include @@ -258,4 +258,4 @@ extern void free_thread_info(struct thread_info *ti); extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); #define arch_task_cache_init arch_task_cache_init #endif -#endif /* _ASM_X86_THREAD_INFO_H */ +#endif /* ASM_X86__THREAD_INFO_H */ diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h index a17fa473e91d..7457a5d7b4a1 100644 --- a/include/asm-x86/time.h +++ b/include/asm-x86/time.h @@ -1,5 +1,5 @@ -#ifndef _ASMX86_TIME_H -#define _ASMX86_TIME_H +#ifndef ASM_X86__TIME_H +#define ASM_X86__TIME_H extern void hpet_time_init(void); @@ -58,4 +58,4 @@ static inline int native_set_wallclock(unsigned long nowtime) extern unsigned long __init calibrate_cpu(void); -#endif +#endif /* ASM_X86__TIME_H */ diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h index fb2a4ddddf3d..b87123dec3d9 100644 --- a/include/asm-x86/timer.h +++ b/include/asm-x86/timer.h @@ -1,5 +1,5 @@ -#ifndef _ASMi386_TIMER_H -#define _ASMi386_TIMER_H +#ifndef ASM_X86__TIMER_H +#define ASM_X86__TIMER_H #include #include #include @@ -60,4 +60,4 @@ static inline unsigned long long cycles_2_ns(unsigned long long cyc) return ns; } -#endif +#endif /* ASM_X86__TIMER_H */ diff --git a/include/asm-x86/timex.h b/include/asm-x86/timex.h index 43e5a78500c5..d1ce2416a5da 100644 --- a/include/asm-x86/timex.h +++ b/include/asm-x86/timex.h @@ -1,6 +1,6 @@ /* x86 architecture timex specifications */ -#ifndef _ASM_X86_TIMEX_H -#define _ASM_X86_TIMEX_H +#ifndef ASM_X86__TIMEX_H +#define ASM_X86__TIMEX_H #include #include @@ -16,4 +16,4 @@ #define ARCH_HAS_READ_CURRENT_TIMER -#endif +#endif /* ASM_X86__TIMEX_H */ diff --git a/include/asm-x86/tlb.h b/include/asm-x86/tlb.h index e4e9e2d07a93..db36e9e89e87 100644 --- a/include/asm-x86/tlb.h +++ b/include/asm-x86/tlb.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TLB_H -#define _ASM_X86_TLB_H +#ifndef ASM_X86__TLB_H +#define ASM_X86__TLB_H #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) @@ -8,4 +8,4 @@ #include -#endif +#endif /* ASM_X86__TLB_H */ diff --git a/include/asm-x86/tlbflush.h b/include/asm-x86/tlbflush.h index 35c76ceb9f40..ef68b76dc3c5 100644 --- a/include/asm-x86/tlbflush.h +++ b/include/asm-x86/tlbflush.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TLBFLUSH_H -#define _ASM_X86_TLBFLUSH_H +#ifndef ASM_X86__TLBFLUSH_H +#define ASM_X86__TLBFLUSH_H #include #include @@ -165,4 +165,4 @@ static inline void flush_tlb_kernel_range(unsigned long start, flush_tlb_all(); } -#endif /* _ASM_X86_TLBFLUSH_H */ +#endif /* ASM_X86__TLBFLUSH_H */ diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index 90ac7718469a..7eca9bc022b2 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h @@ -22,8 +22,8 @@ * * Send feedback to */ -#ifndef _ASM_X86_TOPOLOGY_H -#define _ASM_X86_TOPOLOGY_H +#ifndef ASM_X86__TOPOLOGY_H +#define ASM_X86__TOPOLOGY_H #ifdef CONFIG_X86_32 # ifdef CONFIG_X86_HT @@ -255,4 +255,4 @@ static inline void set_mp_bus_to_node(int busnum, int node) } #endif -#endif /* _ASM_X86_TOPOLOGY_H */ +#endif /* ASM_X86__TOPOLOGY_H */ diff --git a/include/asm-x86/trampoline.h b/include/asm-x86/trampoline.h index b156b08d0131..0406bbd898a9 100644 --- a/include/asm-x86/trampoline.h +++ b/include/asm-x86/trampoline.h @@ -1,5 +1,5 @@ -#ifndef __TRAMPOLINE_HEADER -#define __TRAMPOLINE_HEADER +#ifndef ASM_X86__TRAMPOLINE_H +#define ASM_X86__TRAMPOLINE_H #ifndef __ASSEMBLY__ @@ -18,4 +18,4 @@ extern unsigned long setup_trampoline(void); #endif /* __ASSEMBLY__ */ -#endif /* __TRAMPOLINE_HEADER */ +#endif /* ASM_X86__TRAMPOLINE_H */ diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h index a4b65a71bd66..2a891a704719 100644 --- a/include/asm-x86/traps.h +++ b/include/asm-x86/traps.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TRAPS_H -#define _ASM_X86_TRAPS_H +#ifndef ASM_X86__TRAPS_H +#define ASM_X86__TRAPS_H /* Common in X86_32 and X86_64 */ asmlinkage void divide_error(void); @@ -63,4 +63,4 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *); asmlinkage void do_spurious_interrupt_bug(struct pt_regs *); #endif /* CONFIG_X86_32 */ -#endif /* _ASM_X86_TRAPS_H */ +#endif /* ASM_X86__TRAPS_H */ diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h index cb6f6ee45b8f..ad0f5c41e78c 100644 --- a/include/asm-x86/tsc.h +++ b/include/asm-x86/tsc.h @@ -1,8 +1,8 @@ /* * x86 TSC related functions */ -#ifndef _ASM_X86_TSC_H -#define _ASM_X86_TSC_H +#ifndef ASM_X86__TSC_H +#define ASM_X86__TSC_H #include @@ -59,4 +59,4 @@ extern void check_tsc_sync_target(void); extern int notsc_setup(char *); -#endif +#endif /* ASM_X86__TSC_H */ diff --git a/include/asm-x86/types.h b/include/asm-x86/types.h index 1ac80cd9acf8..e78b52e17444 100644 --- a/include/asm-x86/types.h +++ b/include/asm-x86/types.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_TYPES_H -#define _ASM_X86_TYPES_H +#ifndef ASM_X86__TYPES_H +#define ASM_X86__TYPES_H #include @@ -33,4 +33,4 @@ typedef u32 dma_addr_t; #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__TYPES_H */ diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h index f6fa4d841bbc..1838f3959a5e 100644 --- a/include/asm-x86/uaccess.h +++ b/include/asm-x86/uaccess.h @@ -1,5 +1,5 @@ -#ifndef _ASM_UACCES_H_ -#define _ASM_UACCES_H_ +#ifndef ASM_X86__UACCESS_H +#define ASM_X86__UACCESS_H /* * User space memory access functions */ @@ -450,4 +450,4 @@ extern struct movsl_mask { # include "uaccess_64.h" #endif -#endif +#endif /* ASM_X86__UACCESS_H */ diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h index 6fdef39a0bcb..6b5b57d9c6d1 100644 --- a/include/asm-x86/uaccess_32.h +++ b/include/asm-x86/uaccess_32.h @@ -1,5 +1,5 @@ -#ifndef __i386_UACCESS_H -#define __i386_UACCESS_H +#ifndef ASM_X86__UACCESS_32_H +#define ASM_X86__UACCESS_32_H /* * User space memory access functions @@ -215,4 +215,4 @@ long strnlen_user(const char __user *str, long n); unsigned long __must_check clear_user(void __user *mem, unsigned long len); unsigned long __must_check __clear_user(void __user *mem, unsigned long len); -#endif /* __i386_UACCESS_H */ +#endif /* ASM_X86__UACCESS_32_H */ diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h index 515d4dce96b5..5cfd2951c9e7 100644 --- a/include/asm-x86/uaccess_64.h +++ b/include/asm-x86/uaccess_64.h @@ -1,5 +1,5 @@ -#ifndef __X86_64_UACCESS_H -#define __X86_64_UACCESS_H +#ifndef ASM_X86__UACCESS_64_H +#define ASM_X86__UACCESS_64_H /* * User space memory access functions @@ -198,4 +198,4 @@ static inline int __copy_from_user_inatomic_nocache(void *dst, unsigned long copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest); -#endif /* __X86_64_UACCESS_H */ +#endif /* ASM_X86__UACCESS_64_H */ diff --git a/include/asm-x86/ucontext.h b/include/asm-x86/ucontext.h index 50a79f7fcde9..9948dd328084 100644 --- a/include/asm-x86/ucontext.h +++ b/include/asm-x86/ucontext.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_UCONTEXT_H -#define _ASM_X86_UCONTEXT_H +#ifndef ASM_X86__UCONTEXT_H +#define ASM_X86__UCONTEXT_H struct ucontext { unsigned long uc_flags; @@ -9,4 +9,4 @@ struct ucontext { sigset_t uc_sigmask; /* mask last for extensibility */ }; -#endif /* _ASM_X86_UCONTEXT_H */ +#endif /* ASM_X86__UCONTEXT_H */ diff --git a/include/asm-x86/unaligned.h b/include/asm-x86/unaligned.h index a7bd416b4763..59dcdec37160 100644 --- a/include/asm-x86/unaligned.h +++ b/include/asm-x86/unaligned.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_UNALIGNED_H -#define _ASM_X86_UNALIGNED_H +#ifndef ASM_X86__UNALIGNED_H +#define ASM_X86__UNALIGNED_H /* * The x86 can do unaligned accesses itself. @@ -11,4 +11,4 @@ #define get_unaligned __get_unaligned_le #define put_unaligned __put_unaligned_le -#endif /* _ASM_X86_UNALIGNED_H */ +#endif /* ASM_X86__UNALIGNED_H */ diff --git a/include/asm-x86/unistd_32.h b/include/asm-x86/unistd_32.h index 8317d94771d3..602ddd88c683 100644 --- a/include/asm-x86/unistd_32.h +++ b/include/asm-x86/unistd_32.h @@ -1,5 +1,5 @@ -#ifndef _ASM_I386_UNISTD_H_ -#define _ASM_I386_UNISTD_H_ +#ifndef ASM_X86__UNISTD_32_H +#define ASM_X86__UNISTD_32_H /* * This file contains the system call numbers. @@ -370,4 +370,4 @@ #endif #endif /* __KERNEL__ */ -#endif /* _ASM_I386_UNISTD_H_ */ +#endif /* ASM_X86__UNISTD_32_H */ diff --git a/include/asm-x86/unwind.h b/include/asm-x86/unwind.h index 8b064bd9c553..a2151567db44 100644 --- a/include/asm-x86/unwind.h +++ b/include/asm-x86/unwind.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_UNWIND_H -#define _ASM_X86_UNWIND_H +#ifndef ASM_X86__UNWIND_H +#define ASM_X86__UNWIND_H #define UNW_PC(frame) ((void)(frame), 0UL) #define UNW_SP(frame) ((void)(frame), 0UL) @@ -10,4 +10,4 @@ static inline int arch_unw_user_mode(const void *info) return 0; } -#endif /* _ASM_X86_UNWIND_H */ +#endif /* ASM_X86__UNWIND_H */ diff --git a/include/asm-x86/user32.h b/include/asm-x86/user32.h index a3d910047879..aa66c1857f06 100644 --- a/include/asm-x86/user32.h +++ b/include/asm-x86/user32.h @@ -1,5 +1,5 @@ -#ifndef USER32_H -#define USER32_H 1 +#ifndef ASM_X86__USER32_H +#define ASM_X86__USER32_H /* IA32 compatible user structures for ptrace. * These should be used for 32bit coredumps too. */ @@ -67,4 +67,4 @@ struct user32 { }; -#endif +#endif /* ASM_X86__USER32_H */ diff --git a/include/asm-x86/user_32.h b/include/asm-x86/user_32.h index d6e51edc259d..e0fe2f55f1a6 100644 --- a/include/asm-x86/user_32.h +++ b/include/asm-x86/user_32.h @@ -1,5 +1,5 @@ -#ifndef _I386_USER_H -#define _I386_USER_H +#ifndef ASM_X86__USER_32_H +#define ASM_X86__USER_32_H #include /* Core file format: The core file is written in such a way that gdb @@ -128,4 +128,4 @@ struct user{ #define HOST_TEXT_START_ADDR (u.start_code) #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) -#endif /* _I386_USER_H */ +#endif /* ASM_X86__USER_32_H */ diff --git a/include/asm-x86/user_64.h b/include/asm-x86/user_64.h index 6037b634c77f..38b5799863b4 100644 --- a/include/asm-x86/user_64.h +++ b/include/asm-x86/user_64.h @@ -1,5 +1,5 @@ -#ifndef _X86_64_USER_H -#define _X86_64_USER_H +#ifndef ASM_X86__USER_64_H +#define ASM_X86__USER_64_H #include #include @@ -134,4 +134,4 @@ struct user { #define HOST_TEXT_START_ADDR (u.start_code) #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) -#endif /* _X86_64_USER_H */ +#endif /* ASM_X86__USER_64_H */ diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h index aa73362ff5df..7cd6d7ec1308 100644 --- a/include/asm-x86/uv/bios.h +++ b/include/asm-x86/uv/bios.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_BIOS_H -#define _ASM_X86_BIOS_H +#ifndef ASM_X86__UV__BIOS_H +#define ASM_X86__UV__BIOS_H /* * BIOS layer definitions. @@ -65,4 +65,4 @@ x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, unsigned long *drift_info); extern const char *x86_bios_strerror(long status); -#endif /* _ASM_X86_BIOS_H */ +#endif /* ASM_X86__UV__BIOS_H */ diff --git a/include/asm-x86/uv/uv_bau.h b/include/asm-x86/uv/uv_bau.h index 91ac0dfb7588..0950239acaf6 100644 --- a/include/asm-x86/uv/uv_bau.h +++ b/include/asm-x86/uv/uv_bau.h @@ -8,8 +8,8 @@ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. */ -#ifndef __ASM_X86_UV_BAU__ -#define __ASM_X86_UV_BAU__ +#ifndef ASM_X86__UV__UV_BAU_H +#define ASM_X86__UV__UV_BAU_H #include #define BITSPERBYTE 8 @@ -334,4 +334,4 @@ extern int uv_flush_tlb_others(cpumask_t *, struct mm_struct *, unsigned long); extern void uv_bau_message_intr1(void); extern void uv_bau_timeout_intr1(void); -#endif /* __ASM_X86_UV_BAU__ */ +#endif /* ASM_X86__UV__UV_BAU_H */ diff --git a/include/asm-x86/uv/uv_hub.h b/include/asm-x86/uv/uv_hub.h index a4ef26e5850b..bdb5b01afbf5 100644 --- a/include/asm-x86/uv/uv_hub.h +++ b/include/asm-x86/uv/uv_hub.h @@ -8,8 +8,8 @@ * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved. */ -#ifndef __ASM_X86_UV_HUB_H__ -#define __ASM_X86_UV_HUB_H__ +#ifndef ASM_X86__UV__UV_HUB_H +#define ASM_X86__UV__UV_HUB_H #include #include @@ -350,5 +350,5 @@ static inline int uv_num_possible_blades(void) return uv_possible_blades; } -#endif /* __ASM_X86_UV_HUB__ */ +#endif /* ASM_X86__UV__UV_HUB_H */ diff --git a/include/asm-x86/uv/uv_mmrs.h b/include/asm-x86/uv/uv_mmrs.h index 151fd7fcb809..8b03d89d2459 100644 --- a/include/asm-x86/uv/uv_mmrs.h +++ b/include/asm-x86/uv/uv_mmrs.h @@ -8,8 +8,8 @@ * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved. */ -#ifndef __ASM_X86_UV_MMRS__ -#define __ASM_X86_UV_MMRS__ +#ifndef ASM_X86__UV__UV_MMRS_H +#define ASM_X86__UV__UV_MMRS_H #define UV_MMR_ENABLE (1UL << 63) @@ -1292,4 +1292,4 @@ union uvh_si_alias2_overlay_config_u { }; -#endif /* __ASM_X86_UV_MMRS__ */ +#endif /* ASM_X86__UV__UV_MMRS_H */ diff --git a/include/asm-x86/vdso.h b/include/asm-x86/vdso.h index 8e18fb80f5e6..4ab320913ea3 100644 --- a/include/asm-x86/vdso.h +++ b/include/asm-x86/vdso.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_VDSO_H -#define _ASM_X86_VDSO_H 1 +#ifndef ASM_X86__VDSO_H +#define ASM_X86__VDSO_H #ifdef CONFIG_X86_64 extern const char VDSO64_PRELINK[]; @@ -44,4 +44,4 @@ extern const char vdso32_int80_start, vdso32_int80_end; extern const char vdso32_syscall_start, vdso32_syscall_end; extern const char vdso32_sysenter_start, vdso32_sysenter_end; -#endif /* asm-x86/vdso.h */ +#endif /* ASM_X86__VDSO_H */ diff --git a/include/asm-x86/vga.h b/include/asm-x86/vga.h index 0ccf804377e6..b9e493d07d07 100644 --- a/include/asm-x86/vga.h +++ b/include/asm-x86/vga.h @@ -4,8 +4,8 @@ * (c) 1998 Martin Mares */ -#ifndef _LINUX_ASM_VGA_H_ -#define _LINUX_ASM_VGA_H_ +#ifndef ASM_X86__VGA_H +#define ASM_X86__VGA_H /* * On the PC, we can just recalculate addresses and then @@ -17,4 +17,4 @@ #define vga_readb(x) (*(x)) #define vga_writeb(x, y) (*(y) = (x)) -#endif +#endif /* ASM_X86__VGA_H */ diff --git a/include/asm-x86/vgtod.h b/include/asm-x86/vgtod.h index 3301f0929342..38fd13364021 100644 --- a/include/asm-x86/vgtod.h +++ b/include/asm-x86/vgtod.h @@ -1,5 +1,5 @@ -#ifndef _ASM_VGTOD_H -#define _ASM_VGTOD_H 1 +#ifndef ASM_X86__VGTOD_H +#define ASM_X86__VGTOD_H #include #include @@ -26,4 +26,4 @@ extern struct vsyscall_gtod_data __vsyscall_gtod_data __section_vsyscall_gtod_data; extern struct vsyscall_gtod_data vsyscall_gtod_data; -#endif +#endif /* ASM_X86__VGTOD_H */ diff --git a/include/asm-x86/visws/cobalt.h b/include/asm-x86/visws/cobalt.h index 995258831b7f..9627a8fe84e9 100644 --- a/include/asm-x86/visws/cobalt.h +++ b/include/asm-x86/visws/cobalt.h @@ -1,5 +1,5 @@ -#ifndef __I386_SGI_COBALT_H -#define __I386_SGI_COBALT_H +#ifndef ASM_X86__VISWS__COBALT_H +#define ASM_X86__VISWS__COBALT_H #include @@ -122,4 +122,4 @@ extern char visws_board_type; extern char visws_board_rev; -#endif /* __I386_SGI_COBALT_H */ +#endif /* ASM_X86__VISWS__COBALT_H */ diff --git a/include/asm-x86/visws/lithium.h b/include/asm-x86/visws/lithium.h index dfcd4f07ab85..b36d3b378c63 100644 --- a/include/asm-x86/visws/lithium.h +++ b/include/asm-x86/visws/lithium.h @@ -1,5 +1,5 @@ -#ifndef __I386_SGI_LITHIUM_H -#define __I386_SGI_LITHIUM_H +#ifndef ASM_X86__VISWS__LITHIUM_H +#define ASM_X86__VISWS__LITHIUM_H #include @@ -49,5 +49,5 @@ static inline unsigned short li_pcib_read16(unsigned long reg) return *((volatile unsigned short *)(LI_PCIB_VADDR+reg)); } -#endif +#endif /* ASM_X86__VISWS__LITHIUM_H */ diff --git a/include/asm-x86/visws/piix4.h b/include/asm-x86/visws/piix4.h index 83ea4f46e419..61c938045ec9 100644 --- a/include/asm-x86/visws/piix4.h +++ b/include/asm-x86/visws/piix4.h @@ -1,5 +1,5 @@ -#ifndef __I386_SGI_PIIX_H -#define __I386_SGI_PIIX_H +#ifndef ASM_X86__VISWS__PIIX4_H +#define ASM_X86__VISWS__PIIX4_H /* * PIIX4 as used on SGI Visual Workstations @@ -104,4 +104,4 @@ */ #define PIIX_GPI_STPCLK 0x4 // STPCLK signal routed back in -#endif +#endif /* ASM_X86__VISWS__PIIX4_H */ diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h index 5ce351325e01..998bd18eb737 100644 --- a/include/asm-x86/vm86.h +++ b/include/asm-x86/vm86.h @@ -1,5 +1,5 @@ -#ifndef _LINUX_VM86_H -#define _LINUX_VM86_H +#ifndef ASM_X86__VM86_H +#define ASM_X86__VM86_H /* * I'm guessing at the VIF/VIP flag usage, but hope that this is how @@ -205,4 +205,4 @@ static inline int handle_vm86_trap(struct kernel_vm86_regs *a, long b, int c) #endif /* __KERNEL__ */ -#endif +#endif /* ASM_X86__VM86_H */ diff --git a/include/asm-x86/vmi_time.h b/include/asm-x86/vmi_time.h index c3118c385156..b2d39e6a08b7 100644 --- a/include/asm-x86/vmi_time.h +++ b/include/asm-x86/vmi_time.h @@ -22,8 +22,8 @@ * */ -#ifndef __VMI_TIME_H -#define __VMI_TIME_H +#ifndef ASM_X86__VMI_TIME_H +#define ASM_X86__VMI_TIME_H /* * Raw VMI call indices for timer functions @@ -95,4 +95,4 @@ extern void __devinit vmi_time_ap_init(void); #define CONFIG_VMI_ALARM_HZ 100 -#endif +#endif /* ASM_X86__VMI_TIME_H */ diff --git a/include/asm-x86/vsyscall.h b/include/asm-x86/vsyscall.h index 6b66ff905af0..dcd4682413de 100644 --- a/include/asm-x86/vsyscall.h +++ b/include/asm-x86/vsyscall.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_VSYSCALL_H_ -#define _ASM_X86_64_VSYSCALL_H_ +#ifndef ASM_X86__VSYSCALL_H +#define ASM_X86__VSYSCALL_H enum vsyscall_num { __NR_vgettimeofday, @@ -41,4 +41,4 @@ extern void map_vsyscall(void); #endif /* __KERNEL__ */ -#endif /* _ASM_X86_64_VSYSCALL_H_ */ +#endif /* ASM_X86__VSYSCALL_H */ diff --git a/include/asm-x86/xen/events.h b/include/asm-x86/xen/events.h index 8ded74720024..8151f5b8b6cb 100644 --- a/include/asm-x86/xen/events.h +++ b/include/asm-x86/xen/events.h @@ -1,5 +1,5 @@ -#ifndef __XEN_EVENTS_H -#define __XEN_EVENTS_H +#ifndef ASM_X86__XEN__EVENTS_H +#define ASM_X86__XEN__EVENTS_H enum ipi_vector { XEN_RESCHEDULE_VECTOR, @@ -21,4 +21,4 @@ static inline void xen_do_IRQ(int irq, struct pt_regs *regs) do_IRQ(regs); } -#endif /* __XEN_EVENTS_H */ +#endif /* ASM_X86__XEN__EVENTS_H */ diff --git a/include/asm-x86/xen/grant_table.h b/include/asm-x86/xen/grant_table.h index 2444d4593a3b..c4baab4d2b68 100644 --- a/include/asm-x86/xen/grant_table.h +++ b/include/asm-x86/xen/grant_table.h @@ -1,7 +1,7 @@ -#ifndef __XEN_GRANT_TABLE_H -#define __XEN_GRANT_TABLE_H +#ifndef ASM_X86__XEN__GRANT_TABLE_H +#define ASM_X86__XEN__GRANT_TABLE_H #define xen_alloc_vm_area(size) alloc_vm_area(size) #define xen_free_vm_area(area) free_vm_area(area) -#endif /* __XEN_GRANT_TABLE_H */ +#endif /* ASM_X86__XEN__GRANT_TABLE_H */ diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h index 91cb7fd5c123..44f4259bee3f 100644 --- a/include/asm-x86/xen/hypercall.h +++ b/include/asm-x86/xen/hypercall.h @@ -30,8 +30,8 @@ * IN THE SOFTWARE. */ -#ifndef __HYPERCALL_H__ -#define __HYPERCALL_H__ +#ifndef ASM_X86__XEN__HYPERCALL_H +#define ASM_X86__XEN__HYPERCALL_H #include #include @@ -524,4 +524,4 @@ MULTI_stack_switch(struct multicall_entry *mcl, mcl->args[1] = esp; } -#endif /* __HYPERCALL_H__ */ +#endif /* ASM_X86__XEN__HYPERCALL_H */ diff --git a/include/asm-x86/xen/hypervisor.h b/include/asm-x86/xen/hypervisor.h index 8e15dd28c91f..06c350452c50 100644 --- a/include/asm-x86/xen/hypervisor.h +++ b/include/asm-x86/xen/hypervisor.h @@ -30,8 +30,8 @@ * IN THE SOFTWARE. */ -#ifndef __HYPERVISOR_H__ -#define __HYPERVISOR_H__ +#ifndef ASM_X86__XEN__HYPERVISOR_H +#define ASM_X86__XEN__HYPERVISOR_H #include #include @@ -70,4 +70,4 @@ u64 jiffies_to_st(unsigned long jiffies); #define is_running_on_xen() (xen_start_info ? 1 : 0) -#endif /* __HYPERVISOR_H__ */ +#endif /* ASM_X86__XEN__HYPERVISOR_H */ diff --git a/include/asm-x86/xen/interface.h b/include/asm-x86/xen/interface.h index 9d810f2538a2..d077bba96da9 100644 --- a/include/asm-x86/xen/interface.h +++ b/include/asm-x86/xen/interface.h @@ -6,8 +6,8 @@ * Copyright (c) 2004, K A Fraser */ -#ifndef __ASM_X86_XEN_INTERFACE_H -#define __ASM_X86_XEN_INTERFACE_H +#ifndef ASM_X86__XEN__INTERFACE_H +#define ASM_X86__XEN__INTERFACE_H #ifdef __XEN__ #define __DEFINE_GUEST_HANDLE(name, type) \ @@ -172,4 +172,4 @@ DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context); #define XEN_CPUID XEN_EMULATE_PREFIX "cpuid" #endif -#endif /* __ASM_X86_XEN_INTERFACE_H */ +#endif /* ASM_X86__XEN__INTERFACE_H */ diff --git a/include/asm-x86/xen/interface_32.h b/include/asm-x86/xen/interface_32.h index d8ac41d5db86..08167e19fc66 100644 --- a/include/asm-x86/xen/interface_32.h +++ b/include/asm-x86/xen/interface_32.h @@ -6,8 +6,8 @@ * Copyright (c) 2004, K A Fraser */ -#ifndef __ASM_X86_XEN_INTERFACE_32_H -#define __ASM_X86_XEN_INTERFACE_32_H +#ifndef ASM_X86__XEN__INTERFACE_32_H +#define ASM_X86__XEN__INTERFACE_32_H /* @@ -94,4 +94,4 @@ typedef struct xen_callback xen_callback_t; #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20)) #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20)) -#endif /* __ASM_X86_XEN_INTERFACE_32_H */ +#endif /* ASM_X86__XEN__INTERFACE_32_H */ diff --git a/include/asm-x86/xen/interface_64.h b/include/asm-x86/xen/interface_64.h index 842266ce96e6..046c0f1e01d4 100644 --- a/include/asm-x86/xen/interface_64.h +++ b/include/asm-x86/xen/interface_64.h @@ -1,5 +1,5 @@ -#ifndef __ASM_X86_XEN_INTERFACE_64_H -#define __ASM_X86_XEN_INTERFACE_64_H +#ifndef ASM_X86__XEN__INTERFACE_64_H +#define ASM_X86__XEN__INTERFACE_64_H /* * 64-bit segment selectors @@ -156,4 +156,4 @@ typedef unsigned long xen_callback_t; #endif /* !__ASSEMBLY__ */ -#endif /* __ASM_X86_XEN_INTERFACE_64_H */ +#endif /* ASM_X86__XEN__INTERFACE_64_H */ diff --git a/include/asm-x86/xen/page.h b/include/asm-x86/xen/page.h index 05e678a86628..a17a86433c77 100644 --- a/include/asm-x86/xen/page.h +++ b/include/asm-x86/xen/page.h @@ -1,5 +1,5 @@ -#ifndef __XEN_PAGE_H -#define __XEN_PAGE_H +#ifndef ASM_X86__XEN__PAGE_H +#define ASM_X86__XEN__PAGE_H #include @@ -162,4 +162,4 @@ xmaddr_t arbitrary_virt_to_machine(void *address); void make_lowmem_page_readonly(void *vaddr); void make_lowmem_page_readwrite(void *vaddr); -#endif /* __XEN_PAGE_H */ +#endif /* ASM_X86__XEN__PAGE_H */ -- GitLab From 5616c23ad9cd3c50af674d408fef7b90abeee81c Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 22 Jul 2008 15:32:38 -0400 Subject: [PATCH 0078/6244] x86: doc: move x86-generic documentation from Doc/x86/i386 The boot protocol, USB legacy support, and zero-page documentation is common to the x86 platform, not i386-specific. Signed-off-by: H. Peter Anvin --- Documentation/x86/{i386 => }/boot.txt | 0 Documentation/x86/{i386 => }/usb-legacy-support.txt | 0 Documentation/x86/{i386 => }/zero-page.txt | 0 3 files changed, 0 insertions(+), 0 deletions(-) rename Documentation/x86/{i386 => }/boot.txt (100%) rename Documentation/x86/{i386 => }/usb-legacy-support.txt (100%) rename Documentation/x86/{i386 => }/zero-page.txt (100%) diff --git a/Documentation/x86/i386/boot.txt b/Documentation/x86/boot.txt similarity index 100% rename from Documentation/x86/i386/boot.txt rename to Documentation/x86/boot.txt diff --git a/Documentation/x86/i386/usb-legacy-support.txt b/Documentation/x86/usb-legacy-support.txt similarity index 100% rename from Documentation/x86/i386/usb-legacy-support.txt rename to Documentation/x86/usb-legacy-support.txt diff --git a/Documentation/x86/i386/zero-page.txt b/Documentation/x86/zero-page.txt similarity index 100% rename from Documentation/x86/i386/zero-page.txt rename to Documentation/x86/zero-page.txt -- GitLab From a021e5124a6c57325ffb02a60cd1d5f40342f8aa Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 22 Jul 2008 15:33:57 -0400 Subject: [PATCH 0079/6244] x86: doc: boot.txt: fix the size of the start_sys field The start_sys field is two bytes, not four. Signed-off-by: H. Peter Anvin --- Documentation/x86/boot.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 147bfe511cdd..83c0033ee9e0 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -308,7 +308,7 @@ Protocol: 2.00+ Field name: start_sys Type: read -Offset/size: 0x20c/4 +Offset/size: 0x20c/2 Protocol: 2.00+ The load low segment (0x1000). Obsolete. -- GitLab From a31863168660c6b6f6c7ffe05bb6a38e97803326 Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Tue, 22 Jul 2008 21:53:53 +0200 Subject: [PATCH 0080/6244] x86: consolidate header guards This patch consolidates the header guard names which are also used externally, i.e. in .c files. Signed-off-by: Vegard Nossum --- arch/x86/boot/compressed/misc.c | 2 +- arch/x86/kernel/asm-offsets_64.c | 2 +- arch/x86/kernel/syscall_64.c | 4 ++-- include/asm-x86/desc.h | 6 +++--- include/asm-x86/unistd_64.h | 6 +++--- 5 files changed, 10 insertions(+), 10 deletions(-) diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index bc5553b496f7..3ee338c7d1d1 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -16,7 +16,7 @@ */ #undef CONFIG_PARAVIRT #ifdef CONFIG_X86_32 -#define _ASM_DESC_H_ 1 +#define ASM_X86__DESC_H 1 #endif #ifdef CONFIG_X86_64 diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index aa89387006fe..505543a75a56 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -22,7 +22,7 @@ #define __NO_STUBS 1 #undef __SYSCALL -#undef _ASM_X86_64_UNISTD_H_ +#undef ASM_X86__UNISTD_64_H #define __SYSCALL(nr, sym) [nr] = 1, static char syscalls[] = { #include diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c index 170d43c17487..3d1be4f0fac5 100644 --- a/arch/x86/kernel/syscall_64.c +++ b/arch/x86/kernel/syscall_64.c @@ -8,12 +8,12 @@ #define __NO_STUBS #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; -#undef _ASM_X86_64_UNISTD_H_ +#undef ASM_X86__UNISTD_64_H #include #undef __SYSCALL #define __SYSCALL(nr, sym) [nr] = sym, -#undef _ASM_X86_64_UNISTD_H_ +#undef ASM_X86__UNISTD_64_H typedef void (*sys_call_ptr_t)(void); diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index a44c4dc70590..b73fea54def2 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -1,5 +1,5 @@ -#ifndef _ASM_DESC_H_ -#define _ASM_DESC_H_ +#ifndef ASM_X86__DESC_H +#define ASM_X86__DESC_H #ifndef __ASSEMBLY__ #include @@ -397,4 +397,4 @@ static inline void set_system_gate_ist(int n, void *addr, unsigned ist) #endif /* __ASSEMBLY__ */ -#endif +#endif /* ASM_X86__DESC_H */ diff --git a/include/asm-x86/unistd_64.h b/include/asm-x86/unistd_64.h index 9c1a4a3470d9..1e10189ed6b0 100644 --- a/include/asm-x86/unistd_64.h +++ b/include/asm-x86/unistd_64.h @@ -1,5 +1,5 @@ -#ifndef _ASM_X86_64_UNISTD_H_ -#define _ASM_X86_64_UNISTD_H_ +#ifndef ASM_X86__UNISTD_64_H +#define ASM_X86__UNISTD_64_H #ifndef __SYSCALL #define __SYSCALL(a, b) @@ -676,4 +676,4 @@ __SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime) #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") #endif /* __KERNEL__ */ -#endif /* _ASM_X86_64_UNISTD_H_ */ +#endif /* ASM_X86__UNISTD_64_H */ -- GitLab From 2b97df06ce44b1d145bd1299f50765803c2fabee Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:13:14 +0530 Subject: [PATCH 0081/6244] x86: apic_XX.c declare functions before they get used declared following smp interrupts in asm-x86/hw_irq.h: smp_apic_timer_interrupt, smp_spurious_interrupt, smp_error_interrupt Signed-off-by: Jaswinder Singh --- include/asm-x86/apic.h | 5 +++++ include/asm-x86/hw_irq.h | 10 ++++++++++ 2 files changed, 15 insertions(+) diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 133c998161ca..519ad65708e7 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -54,6 +54,11 @@ extern int disable_apic; #endif extern int is_vsmp_box(void); +extern void xapic_wait_icr_idle(void); +extern u32 safe_xapic_wait_icr_idle(void); +extern u64 xapic_icr_read(void); +extern void xapic_icr_write(u32, u32); +extern int setup_profiling_timer(unsigned int); static inline void native_apic_write(unsigned long reg, u32 v) { diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 77ba51df5668..40b941ac81ca 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -93,6 +93,16 @@ extern asmlinkage void qic_reschedule_interrupt(void); extern asmlinkage void qic_enable_irq_interrupt(void); extern asmlinkage void qic_call_function_interrupt(void); +/* SMP */ +extern void smp_apic_timer_interrupt(struct pt_regs *); +#ifdef CONFIG_X86_32 +extern void smp_spurious_interrupt(struct pt_regs *); +extern void smp_error_interrupt(struct pt_regs *); +#else +extern asmlinkage void smp_spurious_interrupt(void); +extern asmlinkage void smp_error_interrupt(void); +#endif + #ifdef CONFIG_X86_32 extern void (*const interrupt[NR_IRQS])(void); #else -- GitLab From 8f7db5186cf126b56035d9a9735774d751090d66 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:31:02 +0530 Subject: [PATCH 0082/6244] x86: vm86_32.c declare functions before they get used declared following syscalls in asm-x86/syscalls.h: sys_vm86old, sys_vm86 Signed-off-by: Jaswinder Singh --- include/asm-x86/syscalls.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/asm-x86/syscalls.h b/include/asm-x86/syscalls.h index 170fcb132f53..3d6b159d348c 100644 --- a/include/asm-x86/syscalls.h +++ b/include/asm-x86/syscalls.h @@ -6,7 +6,6 @@ * This file is released under the GPLv2. * See the file COPYING for more details. * - * Please do not call me directly, include linux/syscalls.h */ #ifndef _ASM_X86_SYSCALLS_H @@ -60,6 +59,10 @@ asmlinkage int sys_olduname(struct oldold_utsname __user *); asmlinkage int sys_set_thread_area(struct user_desc __user *); asmlinkage int sys_get_thread_area(struct user_desc __user *); +/* kernel/vm86_32.c */ +asmlinkage int sys_vm86old(struct pt_regs); +asmlinkage int sys_vm86(struct pt_regs); + #else /* CONFIG_X86_32 */ /* X86_64 only */ -- GitLab From a80495ec927e8ec2b1ff085592bbe9bed77ffb3b Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:33:57 +0530 Subject: [PATCH 0083/6244] x86: mm/init_XX.c declare functions before they get used included in mm/init_32.c for zap_low_mappings() declared free_initmem() in asm-x86/page_XX.h Signed-off-by: Jaswinder Singh --- arch/x86/mm/init_32.c | 1 + include/asm-x86/page_32.h | 1 + include/asm-x86/page_64.h | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index d37f29376b0c..4974e97dedfe 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -47,6 +47,7 @@ #include #include #include +#include unsigned int __VMALLOC_RESERVE = 128 << 20; diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index ab8528793f08..c9dd069d4ef0 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -96,6 +96,7 @@ extern void find_low_pfn_range(void); extern unsigned long init_memory_mapping(unsigned long start, unsigned long end); extern void initmem_init(unsigned long, unsigned long); +extern void free_initmem(void); extern void setup_bootmem_allocator(void); diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h index c6916c83e6b1..e5a754e97f25 100644 --- a/include/asm-x86/page_64.h +++ b/include/asm-x86/page_64.h @@ -91,6 +91,7 @@ extern unsigned long init_memory_mapping(unsigned long start, unsigned long end); extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn); +extern void free_initmem(void); extern void init_extra_mapping_uc(unsigned long phys, unsigned long size); extern void init_extra_mapping_wb(unsigned long phys, unsigned long size); -- GitLab From 70ef56414ec7e01d787c8e959bb259845df4ee4f Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:36:37 +0530 Subject: [PATCH 0084/6244] x86: mm/fault.c declare do_page_fault before they get used declared do_page_fault() in asm-x86/trap.h for both X86_32 and X86_64 removed do_invalid_op declaration from mm/fault.c as it is already declared in asm-x86/trap.h Signed-off-by: Jaswinder Singh --- arch/x86/mm/fault.c | 3 +-- include/asm-x86/traps.h | 4 ++++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 455f3fe67b42..8f92cac4e6db 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -35,6 +35,7 @@ #include #include #include +#include /* * Page fault error code bits @@ -357,8 +358,6 @@ static int is_errata100(struct pt_regs *regs, unsigned long address) return 0; } -void do_invalid_op(struct pt_regs *, unsigned long); - static int is_f00f_bug(struct pt_regs *regs, unsigned long address) { #ifdef CONFIG_X86_F00F_BUG diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h index a4b65a71bd66..b60fab546da7 100644 --- a/include/asm-x86/traps.h +++ b/include/asm-x86/traps.h @@ -51,6 +51,8 @@ void do_spurious_interrupt_bug(struct pt_regs *, long); unsigned long patch_espfix_desc(unsigned long, unsigned long); asmlinkage void math_emulate(long); +void do_page_fault(struct pt_regs *regs, unsigned long error_code); + #else /* CONFIG_X86_32 */ asmlinkage void double_fault(void); @@ -62,5 +64,7 @@ asmlinkage void do_coprocessor_error(struct pt_regs *); asmlinkage void do_simd_coprocessor_error(struct pt_regs *); asmlinkage void do_spurious_interrupt_bug(struct pt_regs *); +asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code); + #endif /* CONFIG_X86_32 */ #endif /* _ASM_X86_TRAPS_H */ -- GitLab From 4b6e9f27d0034740e9cfa341b45c229ba30ec0c5 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:39:16 +0530 Subject: [PATCH 0085/6244] x86: mm/ioremap.c declare early_ioremap_debug and early_ioremap_nested as static Signed-off-by: Jaswinder Singh --- arch/x86/mm/ioremap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 24c1d3c30186..19fd9a3c5210 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -413,7 +413,7 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr) return; } -int __initdata early_ioremap_debug; +static int __initdata early_ioremap_debug; static int __init early_ioremap_debug_setup(char *str) { @@ -539,7 +539,7 @@ static inline void __init early_clear_fixmap(enum fixed_addresses idx) } -int __initdata early_ioremap_nested; +static int __initdata early_ioremap_nested; static int __init check_early_ioremap_leak(void) { -- GitLab From e0b7c8192ded4c2096388008d3ca6708caa8b601 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:40:34 +0530 Subject: [PATCH 0086/6244] x86: mm/pageattr.c declare arch_report_meminfo before they get used declared arch_report_meminfo() in asm-x86/pgtable.h as it will be also accessible by fs/proc/proc_misc.c Signed-off-by: Jaswinder Singh --- include/asm-x86/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 96aa76e691d8..4fb22b9c528f 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -310,6 +310,8 @@ static inline void native_pagetable_setup_start(pgd_t *base) {} static inline void native_pagetable_setup_done(pgd_t *base) {} #endif +extern int arch_report_meminfo(char *page); + #ifdef CONFIG_PARAVIRT #include #else /* !CONFIG_PARAVIRT */ -- GitLab From 01eb7858c017b1c63b962f8c2ad37133383ca560 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:41:59 +0530 Subject: [PATCH 0087/6244] x86: mm/pgtable_32.c declare set_pmd_pfn before they get used Signed-off-by: Jaswinder Singh --- include/asm-x86/pgtable_32.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 0611abf96a5e..015fb4e19dee 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -31,6 +31,7 @@ static inline void pgtable_cache_init(void) { } static inline void check_pgt_cache(void) { } void paging_init(void); +extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); /* * The Linux x86 paging architecture is 'compile-time dual-mode', it -- GitLab From 71e3b818431957371c7f69fa1c576d4a403c1478 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Wed, 23 Jul 2008 17:44:00 +0530 Subject: [PATCH 0088/6244] x86: mach-default/setup.c declare no_broadcast before they get used included mach_ipi.h for no_broadcast declaration fixed minor spacing for no_broadcast Signed-off-by: Jaswinder Singh --- arch/x86/mach-default/setup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c index 3d317836be9e..3f2cf11f201a 100644 --- a/arch/x86/mach-default/setup.c +++ b/arch/x86/mach-default/setup.c @@ -10,13 +10,15 @@ #include #include +#include + #ifdef CONFIG_HOTPLUG_CPU #define DEFAULT_SEND_IPI (1) #else #define DEFAULT_SEND_IPI (0) #endif -int no_broadcast=DEFAULT_SEND_IPI; +int no_broadcast = DEFAULT_SEND_IPI; /** * pre_intr_init_hook - initialisation prior to setting up interrupt vectors -- GitLab From 05d3ed0a1fe3ea05ab9f3b8d32576a0bc2e19660 Mon Sep 17 00:00:00 2001 From: Prarit Bhargava Date: Mon, 21 Jul 2008 10:15:22 -0400 Subject: [PATCH 0089/6244] x86, pci: iommu fix potential overflow in alloc_iommu() It is possible that alloc_iommu()'s boundary_size overflows as dma_get_seg_boundary can return 0xffffffff. In that case, further usage of boundary_size triggers a BUG_ON() in the iommu code. Signed-off-by: Prarit Bhargava Signed-off-by: Ingo Molnar --- arch/x86/kernel/pci-gart_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index df5f142657d2..1062dc1e6396 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -93,7 +93,7 @@ static unsigned long alloc_iommu(struct device *dev, int size) base_index = ALIGN(iommu_bus_base & dma_get_seg_boundary(dev), PAGE_SIZE) >> PAGE_SHIFT; - boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1, + boundary_size = ALIGN((unsigned long long)dma_get_seg_boundary(dev) + 1, PAGE_SIZE) >> PAGE_SHIFT; spin_lock_irqsave(&iommu_bitmap_lock, flags); -- GitLab From fd60b39f845aa7462453af8aed4f059b162f181f Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Wed, 23 Jul 2008 22:45:01 +0800 Subject: [PATCH 0090/6244] arch/x86/kernel/genx2apic_uv_x.c: Removed duplicated include Removed duplicated include file in arch/x86/kernel/genx2apic_uv_x.c. Signed-off-by: Huang Weiyi Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index a882bc3a2ce9..14a9772778e5 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include -- GitLab From a300bec952127d9a15e666b391bb35c9aecb3002 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 22 Jul 2008 09:46:13 -0700 Subject: [PATCH 0091/6244] documentation: move hpet.txt to timers/ subdirectory Move hpet.txt to Documentation/timers/ subdirectory. Add 00-INDEX to Documentation/timers/ subdirectory. Signed-off-by: Randy Dunlap Cc: tglx Signed-off-by: Thomas Gleixner --- Documentation/00-INDEX | 2 -- Documentation/timers/00-INDEX | 10 ++++++++++ Documentation/{ => timers}/hpet.txt | 0 3 files changed, 10 insertions(+), 2 deletions(-) create mode 100644 Documentation/timers/00-INDEX rename Documentation/{ => timers}/hpet.txt (100%) diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index 1977fab38656..6c40c4c300d7 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -161,8 +161,6 @@ hayes-esp.txt - info on using the Hayes ESP serial driver. highuid.txt - notes on the change from 16 bit to 32 bit user/group IDs. -hpet.txt - - High Precision Event Timer Driver for Linux. timers/ - info on the timer related topics hw_random.txt diff --git a/Documentation/timers/00-INDEX b/Documentation/timers/00-INDEX new file mode 100644 index 000000000000..397dc35e1323 --- /dev/null +++ b/Documentation/timers/00-INDEX @@ -0,0 +1,10 @@ +00-INDEX + - this file +highres.txt + - High resolution timers and dynamic ticks design notes +hpet.txt + - High Precision Event Timer Driver for Linux +hrtimers.txt + - subsystem for high-resolution kernel timers +timer_stats.txt + - timer usage statistics diff --git a/Documentation/hpet.txt b/Documentation/timers/hpet.txt similarity index 100% rename from Documentation/hpet.txt rename to Documentation/timers/hpet.txt -- GitLab From 38ffbe66d59051fd9cfcfc8545f164700e2fa3bc Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Wed, 23 Jul 2008 14:21:18 -0700 Subject: [PATCH 0092/6244] x86/paravirt/xen: properly fill out the ldt ops LTP testing showed that Xen does not properly implement sys_modify_ldt(). This patch does the final little bits needed to make the ldt work properly. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/kernel/ldt.c | 9 ++++++++- arch/x86/kernel/paravirt.c | 4 ++++ arch/x86/xen/enlighten.c | 23 +++++++++++++++++++++++ include/asm-x86/desc.h | 10 +++++++++- include/asm-x86/paravirt.h | 13 +++++++++++++ 5 files changed, 57 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index 3fee2aa50f3f..4895e0634d22 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -51,6 +51,8 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) memset(newldt + oldsize * LDT_ENTRY_SIZE, 0, (mincount - oldsize) * LDT_ENTRY_SIZE); + paravirt_alloc_ldt(newldt, mincount); + #ifdef CONFIG_X86_64 /* CHECKME: Do we really need this ? */ wmb(); @@ -75,6 +77,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) #endif } if (oldsize) { + paravirt_free_ldt(oldldt, oldsize); if (oldsize * LDT_ENTRY_SIZE > PAGE_SIZE) vfree(oldldt); else @@ -86,10 +89,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) static inline int copy_ldt(mm_context_t *new, mm_context_t *old) { int err = alloc_ldt(new, old->size, 0); + int i; if (err < 0) return err; - memcpy(new->ldt, old->ldt, old->size * LDT_ENTRY_SIZE); + + for(i = 0; i < old->size; i++) + write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); return 0; } @@ -126,6 +132,7 @@ void destroy_context(struct mm_struct *mm) if (mm == current->active_mm) clear_LDT(); #endif + paravirt_free_ldt(mm->context.ldt, mm->context.size); if (mm->context.size * LDT_ENTRY_SIZE > PAGE_SIZE) vfree(mm->context.ldt); else diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 94da4d52d798..d8f2277be5a0 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -348,6 +348,10 @@ struct pv_cpu_ops pv_cpu_ops = { .write_ldt_entry = native_write_ldt_entry, .write_gdt_entry = native_write_gdt_entry, .write_idt_entry = native_write_idt_entry, + + .alloc_ldt = paravirt_nop, + .free_ldt = paravirt_nop, + .load_sp0 = native_load_sp0, #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 9ff6e3cbf08f..06219e60e9c8 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -325,6 +325,26 @@ static unsigned long xen_store_tr(void) return 0; } +static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) +{ + unsigned pages = roundup(entries * LDT_ENTRY_SIZE, PAGE_SIZE); + void *v = ldt; + int i; + + for(i = 0; i < pages; i += PAGE_SIZE) + make_lowmem_page_readonly(v + i); +} + +static void xen_free_ldt(struct desc_struct *ldt, unsigned entries) +{ + unsigned pages = roundup(entries * LDT_ENTRY_SIZE, PAGE_SIZE); + void *v = ldt; + int i; + + for(i = 0; i < pages; i += PAGE_SIZE) + make_lowmem_page_readwrite(v + i); +} + static void xen_set_ldt(const void *addr, unsigned entries) { struct mmuext_op *op; @@ -1220,6 +1240,9 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = { .load_gs_index = xen_load_gs_index, #endif + .alloc_ldt = xen_alloc_ldt, + .free_ldt = xen_free_ldt, + .store_gdt = native_store_gdt, .store_idt = native_store_idt, .store_tr = xen_store_tr, diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index a44c4dc70590..24a524f5e1a2 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -97,7 +97,15 @@ static inline int desc_empty(const void *ptr) native_write_gdt_entry(dt, entry, desc, type) #define write_idt_entry(dt, entry, g) \ native_write_idt_entry(dt, entry, g) -#endif + +static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) +{ +} + +static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) +{ +} +#endif /* CONFIG_PARAVIRT */ static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate) diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index fbbde93f12d6..db9b0647b346 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -124,6 +124,9 @@ struct pv_cpu_ops { int entrynum, const void *desc, int size); void (*write_idt_entry)(gate_desc *, int entrynum, const gate_desc *gate); + void (*alloc_ldt)(struct desc_struct *ldt, unsigned entries); + void (*free_ldt)(struct desc_struct *ldt, unsigned entries); + void (*load_sp0)(struct tss_struct *tss, struct thread_struct *t); void (*set_iopl_mask)(unsigned mask); @@ -824,6 +827,16 @@ do { \ (aux) = __aux; \ } while (0) +static inline void paravirt_alloc_ldt(struct desc_struct *ldt, unsigned entries) +{ + PVOP_VCALL2(pv_cpu_ops.alloc_ldt, ldt, entries); +} + +static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) +{ + PVOP_VCALL2(pv_cpu_ops.free_ldt, ldt, entries); +} + static inline void load_TR_desc(void) { PVOP_VCALL0(pv_cpu_ops.load_tr_desc); -- GitLab From d5de8841355a48f7f634a04507185eaf1f9755e3 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Wed, 23 Jul 2008 13:28:58 -0700 Subject: [PATCH 0093/6244] x86: split spinlock implementations out into their own files ftrace requires certain low-level code, like spinlocks and timestamps, to be compiled without -pg in order to avoid infinite recursion. This patch splits out the core paravirt spinlocks and the Xen spinlocks into separate files which can be compiled without -pg. Also do xen/time.c while we're about it. As a result, we can now use ftrace within a Xen domain. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 4 +- arch/x86/kernel/paravirt-spinlocks.c | 31 +++++ arch/x86/kernel/paravirt.c | 23 ---- arch/x86/xen/Makefile | 8 +- arch/x86/xen/smp.c | 167 ------------------------ arch/x86/xen/spinlock.c | 183 +++++++++++++++++++++++++++ arch/x86/xen/xen-ops.h | 3 + 7 files changed, 226 insertions(+), 193 deletions(-) create mode 100644 arch/x86/kernel/paravirt-spinlocks.c create mode 100644 arch/x86/xen/spinlock.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 3db651fc8ec5..d679cb2c79b4 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -10,7 +10,7 @@ ifdef CONFIG_FTRACE # Do not profile debug and lowlevel utilities CFLAGS_REMOVE_tsc.o = -pg CFLAGS_REMOVE_rtc.o = -pg -CFLAGS_REMOVE_paravirt.o = -pg +CFLAGS_REMOVE_paravirt-spinlocks.o = -pg endif # @@ -89,7 +89,7 @@ obj-$(CONFIG_DEBUG_NX_TEST) += test_nx.o obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o obj-$(CONFIG_KVM_GUEST) += kvm.o obj-$(CONFIG_KVM_CLOCK) += kvmclock.o -obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o +obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o paravirt-spinlocks.o obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c new file mode 100644 index 000000000000..38d7f7f1dbc9 --- /dev/null +++ b/arch/x86/kernel/paravirt-spinlocks.c @@ -0,0 +1,31 @@ +/* + * Split spinlock implementation out into its own file, so it can be + * compiled in a FTRACE-compatible way. + */ +#include +#include + +#include + +struct pv_lock_ops pv_lock_ops = { +#ifdef CONFIG_SMP + .spin_is_locked = __ticket_spin_is_locked, + .spin_is_contended = __ticket_spin_is_contended, + + .spin_lock = __ticket_spin_lock, + .spin_trylock = __ticket_spin_trylock, + .spin_unlock = __ticket_spin_unlock, +#endif +}; +EXPORT_SYMBOL_GPL(pv_lock_ops); + +void __init paravirt_use_bytelocks(void) +{ +#ifdef CONFIG_SMP + pv_lock_ops.spin_is_locked = __byte_spin_is_locked; + pv_lock_ops.spin_is_contended = __byte_spin_is_contended; + pv_lock_ops.spin_lock = __byte_spin_lock; + pv_lock_ops.spin_trylock = __byte_spin_trylock; + pv_lock_ops.spin_unlock = __byte_spin_unlock; +#endif +} diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 94da4d52d798..0d71de9ff56d 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -268,17 +268,6 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) return __get_cpu_var(paravirt_lazy_mode); } -void __init paravirt_use_bytelocks(void) -{ -#ifdef CONFIG_SMP - pv_lock_ops.spin_is_locked = __byte_spin_is_locked; - pv_lock_ops.spin_is_contended = __byte_spin_is_contended; - pv_lock_ops.spin_lock = __byte_spin_lock; - pv_lock_ops.spin_trylock = __byte_spin_trylock; - pv_lock_ops.spin_unlock = __byte_spin_unlock; -#endif -} - struct pv_info pv_info = { .name = "bare hardware", .paravirt_enabled = 0, @@ -461,18 +450,6 @@ struct pv_mmu_ops pv_mmu_ops = { .set_fixmap = native_set_fixmap, }; -struct pv_lock_ops pv_lock_ops = { -#ifdef CONFIG_SMP - .spin_is_locked = __ticket_spin_is_locked, - .spin_is_contended = __ticket_spin_is_contended, - - .spin_lock = __ticket_spin_lock, - .spin_trylock = __ticket_spin_trylock, - .spin_unlock = __ticket_spin_unlock, -#endif -}; -EXPORT_SYMBOL_GPL(pv_lock_ops); - EXPORT_SYMBOL_GPL(pv_time_ops); EXPORT_SYMBOL (pv_cpu_ops); EXPORT_SYMBOL (pv_mmu_ops); diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 59c1e539aed2..5bfee243cf9a 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -1,4 +1,10 @@ +ifdef CONFIG_FTRACE +# Do not profile debug and lowlevel utilities +CFLAGS_REMOVE_spinlock.o = -pg +CFLAGS_REMOVE_time.o = -pg +endif + obj-y := enlighten.o setup.o multicalls.o mmu.o \ time.o xen-asm_$(BITS).o grant-table.o suspend.o -obj-$(CONFIG_SMP) += smp.o +obj-$(CONFIG_SMP) += smp.o spinlock.o diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index d8faf79a0a1d..baca7f2fbd8a 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -15,7 +15,6 @@ * This does not handle HOTPLUG_CPU yet. */ #include -#include #include #include @@ -36,8 +35,6 @@ #include "xen-ops.h" #include "mmu.h" -static void __cpuinit xen_init_lock_cpu(int cpu); - cpumask_t xen_cpu_initialized_map; static DEFINE_PER_CPU(int, resched_irq); @@ -419,170 +416,6 @@ static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -struct xen_spinlock { - unsigned char lock; /* 0 -> free; 1 -> locked */ - unsigned short spinners; /* count of waiting cpus */ -}; - -static int xen_spin_is_locked(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - - return xl->lock != 0; -} - -static int xen_spin_is_contended(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - - /* Not strictly true; this is only the count of contended - lock-takers entering the slow path. */ - return xl->spinners != 0; -} - -static int xen_spin_trylock(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - u8 old = 1; - - asm("xchgb %b0,%1" - : "+q" (old), "+m" (xl->lock) : : "memory"); - - return old == 0; -} - -static DEFINE_PER_CPU(int, lock_kicker_irq) = -1; -static DEFINE_PER_CPU(struct xen_spinlock *, lock_spinners); - -static inline void spinning_lock(struct xen_spinlock *xl) -{ - __get_cpu_var(lock_spinners) = xl; - wmb(); /* set lock of interest before count */ - asm(LOCK_PREFIX " incw %0" - : "+m" (xl->spinners) : : "memory"); -} - -static inline void unspinning_lock(struct xen_spinlock *xl) -{ - asm(LOCK_PREFIX " decw %0" - : "+m" (xl->spinners) : : "memory"); - wmb(); /* decrement count before clearing lock */ - __get_cpu_var(lock_spinners) = NULL; -} - -static noinline int xen_spin_lock_slow(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - int irq = __get_cpu_var(lock_kicker_irq); - int ret; - - /* If kicker interrupts not initialized yet, just spin */ - if (irq == -1) - return 0; - - /* announce we're spinning */ - spinning_lock(xl); - - /* clear pending */ - xen_clear_irq_pending(irq); - - /* check again make sure it didn't become free while - we weren't looking */ - ret = xen_spin_trylock(lock); - if (ret) - goto out; - - /* block until irq becomes pending */ - xen_poll_irq(irq); - kstat_this_cpu.irqs[irq]++; - -out: - unspinning_lock(xl); - return ret; -} - -static void xen_spin_lock(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - int timeout; - u8 oldval; - - do { - timeout = 1 << 10; - - asm("1: xchgb %1,%0\n" - " testb %1,%1\n" - " jz 3f\n" - "2: rep;nop\n" - " cmpb $0,%0\n" - " je 1b\n" - " dec %2\n" - " jnz 2b\n" - "3:\n" - : "+m" (xl->lock), "=q" (oldval), "+r" (timeout) - : "1" (1) - : "memory"); - - } while (unlikely(oldval != 0 && !xen_spin_lock_slow(lock))); -} - -static noinline void xen_spin_unlock_slow(struct xen_spinlock *xl) -{ - int cpu; - - for_each_online_cpu(cpu) { - /* XXX should mix up next cpu selection */ - if (per_cpu(lock_spinners, cpu) == xl) { - xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR); - break; - } - } -} - -static void xen_spin_unlock(struct raw_spinlock *lock) -{ - struct xen_spinlock *xl = (struct xen_spinlock *)lock; - - smp_wmb(); /* make sure no writes get moved after unlock */ - xl->lock = 0; /* release lock */ - - /* make sure unlock happens before kick */ - barrier(); - - if (unlikely(xl->spinners)) - xen_spin_unlock_slow(xl); -} - -static __cpuinit void xen_init_lock_cpu(int cpu) -{ - int irq; - const char *name; - - name = kasprintf(GFP_KERNEL, "spinlock%d", cpu); - irq = bind_ipi_to_irqhandler(XEN_SPIN_UNLOCK_VECTOR, - cpu, - xen_reschedule_interrupt, - IRQF_DISABLED|IRQF_PERCPU|IRQF_NOBALANCING, - name, - NULL); - - if (irq >= 0) { - disable_irq(irq); /* make sure it's never delivered */ - per_cpu(lock_kicker_irq, cpu) = irq; - } - - printk("cpu %d spinlock event irq %d\n", cpu, irq); -} - -static void __init xen_init_spinlocks(void) -{ - pv_lock_ops.spin_is_locked = xen_spin_is_locked; - pv_lock_ops.spin_is_contended = xen_spin_is_contended; - pv_lock_ops.spin_lock = xen_spin_lock; - pv_lock_ops.spin_trylock = xen_spin_trylock; - pv_lock_ops.spin_unlock = xen_spin_unlock; -} - static const struct smp_ops xen_smp_ops __initdata = { .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu, .smp_prepare_cpus = xen_smp_prepare_cpus, diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c new file mode 100644 index 000000000000..8dc4d31da67f --- /dev/null +++ b/arch/x86/xen/spinlock.c @@ -0,0 +1,183 @@ +/* + * Split spinlock implementation out into its own file, so it can be + * compiled in a FTRACE-compatible way. + */ +#include +#include + +#include + +#include +#include + +#include "xen-ops.h" + +struct xen_spinlock { + unsigned char lock; /* 0 -> free; 1 -> locked */ + unsigned short spinners; /* count of waiting cpus */ +}; + +static int xen_spin_is_locked(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + + return xl->lock != 0; +} + +static int xen_spin_is_contended(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + + /* Not strictly true; this is only the count of contended + lock-takers entering the slow path. */ + return xl->spinners != 0; +} + +static int xen_spin_trylock(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + u8 old = 1; + + asm("xchgb %b0,%1" + : "+q" (old), "+m" (xl->lock) : : "memory"); + + return old == 0; +} + +static DEFINE_PER_CPU(int, lock_kicker_irq) = -1; +static DEFINE_PER_CPU(struct xen_spinlock *, lock_spinners); + +static inline void spinning_lock(struct xen_spinlock *xl) +{ + __get_cpu_var(lock_spinners) = xl; + wmb(); /* set lock of interest before count */ + asm(LOCK_PREFIX " incw %0" + : "+m" (xl->spinners) : : "memory"); +} + +static inline void unspinning_lock(struct xen_spinlock *xl) +{ + asm(LOCK_PREFIX " decw %0" + : "+m" (xl->spinners) : : "memory"); + wmb(); /* decrement count before clearing lock */ + __get_cpu_var(lock_spinners) = NULL; +} + +static noinline int xen_spin_lock_slow(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + int irq = __get_cpu_var(lock_kicker_irq); + int ret; + + /* If kicker interrupts not initialized yet, just spin */ + if (irq == -1) + return 0; + + /* announce we're spinning */ + spinning_lock(xl); + + /* clear pending */ + xen_clear_irq_pending(irq); + + /* check again make sure it didn't become free while + we weren't looking */ + ret = xen_spin_trylock(lock); + if (ret) + goto out; + + /* block until irq becomes pending */ + xen_poll_irq(irq); + kstat_this_cpu.irqs[irq]++; + +out: + unspinning_lock(xl); + return ret; +} + +static void xen_spin_lock(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + int timeout; + u8 oldval; + + do { + timeout = 1 << 10; + + asm("1: xchgb %1,%0\n" + " testb %1,%1\n" + " jz 3f\n" + "2: rep;nop\n" + " cmpb $0,%0\n" + " je 1b\n" + " dec %2\n" + " jnz 2b\n" + "3:\n" + : "+m" (xl->lock), "=q" (oldval), "+r" (timeout) + : "1" (1) + : "memory"); + + } while (unlikely(oldval != 0 && !xen_spin_lock_slow(lock))); +} + +static noinline void xen_spin_unlock_slow(struct xen_spinlock *xl) +{ + int cpu; + + for_each_online_cpu(cpu) { + /* XXX should mix up next cpu selection */ + if (per_cpu(lock_spinners, cpu) == xl) { + xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR); + break; + } + } +} + +static void xen_spin_unlock(struct raw_spinlock *lock) +{ + struct xen_spinlock *xl = (struct xen_spinlock *)lock; + + smp_wmb(); /* make sure no writes get moved after unlock */ + xl->lock = 0; /* release lock */ + + /* make sure unlock happens before kick */ + barrier(); + + if (unlikely(xl->spinners)) + xen_spin_unlock_slow(xl); +} + +static irqreturn_t dummy_handler(int irq, void *dev_id) +{ + BUG(); + return IRQ_HANDLED; +} + +void __cpuinit xen_init_lock_cpu(int cpu) +{ + int irq; + const char *name; + + name = kasprintf(GFP_KERNEL, "spinlock%d", cpu); + irq = bind_ipi_to_irqhandler(XEN_SPIN_UNLOCK_VECTOR, + cpu, + dummy_handler, + IRQF_DISABLED|IRQF_PERCPU|IRQF_NOBALANCING, + name, + NULL); + + if (irq >= 0) { + disable_irq(irq); /* make sure it's never delivered */ + per_cpu(lock_kicker_irq, cpu) = irq; + } + + printk("cpu %d spinlock event irq %d\n", cpu, irq); +} + +void __init xen_init_spinlocks(void) +{ + pv_lock_ops.spin_is_locked = xen_spin_is_locked; + pv_lock_ops.spin_is_contended = xen_spin_is_contended; + pv_lock_ops.spin_lock = xen_spin_lock; + pv_lock_ops.spin_trylock = xen_spin_trylock; + pv_lock_ops.spin_unlock = xen_spin_unlock; +} diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index dd3c23152a2e..8847fb34f17e 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -50,6 +50,9 @@ void __init xen_setup_vcpu_info_placement(void); #ifdef CONFIG_SMP void xen_smp_init(void); +void __init xen_init_spinlocks(void); +__cpuinit void xen_init_lock_cpu(int cpu); + extern cpumask_t xen_cpu_initialized_map; #else static inline void xen_smp_init(void) {} -- GitLab From e0a5a5d9b006fd441e61685a051fa85d52fb172c Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 22 Jul 2008 18:14:16 +0200 Subject: [PATCH 0094/6244] x86, 64-bit, dwarf2: push pushes 8 bytes and popf pops 8 The CFI_ADJUST_CFA_OFFSET dwarf2 annotation of a push/popf pair in ret_from_fork wrongly used a value of 4. It should have been 8. Fix that. Signed-off-by: Alexander van Heukelum Cc: Andi Kleen Cc: heukelum@fastmail.fm Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_64.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 89434d439605..cf3a0b2d0059 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -275,9 +275,9 @@ ENTRY(native_usergs_sysret64) ENTRY(ret_from_fork) CFI_DEFAULT_STACK push kernel_eflags(%rip) - CFI_ADJUST_CFA_OFFSET 4 + CFI_ADJUST_CFA_OFFSET 8 popf # reset kernel eflags - CFI_ADJUST_CFA_OFFSET -4 + CFI_ADJUST_CFA_OFFSET -8 call schedule_tail GET_THREAD_INFO(%rcx) testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),TI_flags(%rcx) -- GitLab From 32f71aff77b6470d272f80ac28f43f9601c4d140 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 21 Jul 2008 00:52:49 +0100 Subject: [PATCH 0095/6244] x86: PIC, L-APIC and I/O APIC debug information Dump all the PIC, local APIC and I/O APIC information at the fs_initcall() level, which is after ACPI (if used) has initialised PCI information, making the point of invocation consistent across MP-table and ACPI platforms. Remove explicit calls to print_IO_APIC() from elsewhere. Make the interface of all the functions involved consistent between 32-bit and 64-bit versions and make them all static by default by the means of a New-and-Improved(TM) __apicdebuginit() macro. Note that like print_IO_APIC() all these only output anything if "apic=debug" has been passed to the kernel through the command line. Signed-off-by: Maciej W. Rozycki Cc: Chuck Ebbert Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 29 +++++++++++++++++++---------- arch/x86/kernel/io_apic_64.c | 31 +++++++++++++++++++------------ arch/x86/pci/acpi.c | 5 ----- include/asm-x86/hw_irq.h | 1 - 4 files changed, 38 insertions(+), 28 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index de9aa0e3a9c5..d54455ec9850 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -50,6 +50,8 @@ #include #include +#define __apicdebuginit(type) static type __init + int (*ioapic_renumber_irq)(int ioapic, int irq); atomic_t irq_mis_count; @@ -1345,7 +1347,8 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, ioapic_write_entry(apic, pin, entry); } -void __init print_IO_APIC(void) + +__apicdebuginit(void) print_IO_APIC(void) { int apic, i; union IO_APIC_reg_00 reg_00; @@ -1460,9 +1463,7 @@ void __init print_IO_APIC(void) return; } -#if 0 - -static void print_APIC_bitfield(int base) +__apicdebuginit(void) print_APIC_bitfield(int base) { unsigned int v; int i, j; @@ -1483,7 +1484,7 @@ static void print_APIC_bitfield(int base) } } -void /*__init*/ print_local_APIC(void *dummy) +__apicdebuginit(void) print_local_APIC(void *dummy) { unsigned int v, ver, maxlvt; @@ -1567,12 +1568,12 @@ void /*__init*/ print_local_APIC(void *dummy) printk("\n"); } -void print_all_local_APICs(void) +__apicdebuginit(void) print_all_local_APICs(void) { on_each_cpu(print_local_APIC, NULL, 1); } -void /*__init*/ print_PIC(void) +__apicdebuginit(void) print_PIC(void) { unsigned int v; unsigned long flags; @@ -1604,7 +1605,17 @@ void /*__init*/ print_PIC(void) printk(KERN_DEBUG "... PIC ELCR: %04x\n", v); } -#endif /* 0 */ +__apicdebuginit(int) print_all_ICs(void) +{ + print_PIC(); + print_all_local_APICs(); + print_IO_APIC(); + + return 0; +} + +fs_initcall(print_all_ICs); + static void __init enable_IO_APIC(void) { @@ -2333,8 +2344,6 @@ void __init setup_IO_APIC(void) setup_IO_APIC_irqs(); init_IO_APIC_traps(); check_timer(); - if (!acpi_ioapic) - print_IO_APIC(); } /* diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 8269434d1707..8cdcc4f287cc 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -53,6 +53,8 @@ #include #include +#define __apicdebuginit(type) static type __init + struct irq_cfg { cpumask_t domain; cpumask_t old_domain; @@ -87,8 +89,6 @@ int first_system_vector = 0xfe; char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; -#define __apicdebuginit __init - int sis_apic_bug; /* not actually supported, dummy for compile */ static int no_timer_check; @@ -965,7 +965,8 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, ioapic_write_entry(apic, pin, entry); } -void __apicdebuginit print_IO_APIC(void) + +__apicdebuginit(void) print_IO_APIC(void) { int apic, i; union IO_APIC_reg_00 reg_00; @@ -1059,9 +1060,7 @@ void __apicdebuginit print_IO_APIC(void) return; } -#if 0 - -static __apicdebuginit void print_APIC_bitfield (int base) +__apicdebuginit(void) print_APIC_bitfield(int base) { unsigned int v; int i, j; @@ -1082,7 +1081,7 @@ static __apicdebuginit void print_APIC_bitfield (int base) } } -void __apicdebuginit print_local_APIC(void * dummy) +__apicdebuginit(void) print_local_APIC(void *dummy) { unsigned int v, ver, maxlvt; @@ -1159,12 +1158,12 @@ void __apicdebuginit print_local_APIC(void * dummy) printk("\n"); } -void print_all_local_APICs (void) +__apicdebuginit(void) print_all_local_APICs(void) { on_each_cpu(print_local_APIC, NULL, 1); } -void __apicdebuginit print_PIC(void) +__apicdebuginit(void) print_PIC(void) { unsigned int v; unsigned long flags; @@ -1196,7 +1195,17 @@ void __apicdebuginit print_PIC(void) printk(KERN_DEBUG "... PIC ELCR: %04x\n", v); } -#endif /* 0 */ +__apicdebuginit(int) print_all_ICs(void) +{ + print_PIC(); + print_all_local_APICs(); + print_IO_APIC(); + + return 0; +} + +fs_initcall(print_all_ICs); + void __init enable_IO_APIC(void) { @@ -1849,8 +1858,6 @@ void __init setup_IO_APIC(void) setup_IO_APIC_irqs(); init_IO_APIC_traps(); check_timer(); - if (!acpi_ioapic) - print_IO_APIC(); } struct sysfs_ioapic_data { diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 19af06927fbc..1d88d2b39771 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -250,10 +250,5 @@ int __init pci_acpi_init(void) acpi_pci_irq_enable(dev); } -#ifdef CONFIG_X86_IO_APIC - if (acpi_ioapic) - print_IO_APIC(); -#endif - return 0; } diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 77ba51df5668..83e0048dca78 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -64,7 +64,6 @@ extern unsigned long io_apic_irqs; extern void init_VISWS_APIC_irqs(void); extern void setup_IO_APIC(void); extern void disable_IO_APIC(void); -extern void print_IO_APIC(void); extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); extern void setup_ioapic_dest(void); -- GitLab From 0791e13fbb1ea4e1808d055922c3f116b924bdc9 Mon Sep 17 00:00:00 2001 From: "Maciej W. Rozycki" Date: Mon, 21 Jul 2008 01:28:43 +0100 Subject: [PATCH 0096/6244] x86: fix up a comment in ack_APIC_irq() Adjust a comment in ack_APIC_irq() according to the recent removal of CONFIG_X86_GOOD_APIC. Signed-off-by: Maciej W. Rozycki Signed-off-by: Ingo Molnar --- include/asm-x86/apic.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 133c998161ca..e9e09b2ee7cd 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -76,9 +76,7 @@ extern int get_physical_broadcast(void); static inline void ack_APIC_irq(void) { /* - * ack_APIC_irq() actually gets compiled as a single instruction: - * - a single rmw on Pentium/82489DX - * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC) + * ack_APIC_irq() actually gets compiled as a single instruction * ... yummie. */ -- GitLab From 510b37258dfd61693ca6c039865c78bd996e3718 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 22 Jul 2008 13:20:22 -0700 Subject: [PATCH 0097/6244] x86: move declaring x2apic_extra_bits it is for uv only Signed-off-by: Yinghai Lu Cc: Jack Steiner Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_phys.c | 2 -- arch/x86/kernel/genx2apic_uv_x.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c index f35a3bf3a9e5..3229c68aedd4 100644 --- a/arch/x86/kernel/genx2apic_phys.c +++ b/arch/x86/kernel/genx2apic_phys.c @@ -10,8 +10,6 @@ #include #include -DEFINE_PER_CPU(int, x2apic_extra_bits); - static int x2apic_phys; static int set_x2apic_phys_mode(char *arg) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index 14a9772778e5..169388c4cce9 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -26,6 +26,8 @@ #include #include +DEFINE_PER_CPU(int, x2apic_extra_bits); + static enum uv_system_type uv_system_type; static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) -- GitLab From 36a028de785c6e6f15ac84f8b3b087b89137ea26 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Thu, 24 Jul 2008 13:52:28 +0200 Subject: [PATCH 0098/6244] x86: apic unification - merge down lapic_get_maxlvt No code change on binary level. Signed-off-by: Cyrill Gorcunov Cc: macro@linux-mips.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 8 ++++++-- arch/x86/kernel/apic_64.c | 9 ++++++--- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index d6c898358371..447dd8c5c0e9 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -193,9 +193,13 @@ int get_physical_broadcast(void) */ int lapic_get_maxlvt(void) { - unsigned int v = apic_read(APIC_LVR); + unsigned int v; - /* 82489DXs do not report # of LVT entries. */ + v = apic_read(APIC_LVR); + /* + * - we always have APIC integrated on 64bit mode + * - 82489DXs do not report # of LVT entries + */ return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 7f1f030da7ee..4fa2a8620c26 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -158,11 +158,14 @@ void __cpuinit enable_NMI_through_LVT0(void) */ int lapic_get_maxlvt(void) { - unsigned int v, maxlvt; + unsigned int v; v = apic_read(APIC_LVR); - maxlvt = GET_APIC_MAXLVT(v); - return maxlvt; + /* + * - we always have APIC integrated on 64bit mode + * - 82489DXs do not report # of LVT entries + */ + return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; } /* -- GitLab From d4c63ec060f3315653c0ae5bc3a7fe2419a2282f Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Thu, 24 Jul 2008 13:52:29 +0200 Subject: [PATCH 0099/6244] x86: apic unification - merge down enable_NMI_through_LVT0 No code change on binary level. Signed-off-by: Cyrill Gorcunov Cc: macro@linux-mips.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 8 ++++++-- arch/x86/kernel/apic_64.c | 5 +++++ 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 447dd8c5c0e9..01708f128eee 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -172,11 +172,15 @@ u32 safe_apic_wait_icr_idle(void) */ void __cpuinit enable_NMI_through_LVT0(void) { - unsigned int v = APIC_DM_NMI; + unsigned int v; + + /* unmask and set to NMI */ + v = APIC_DM_NMI; - /* Level triggered for 82489DX */ + /* Level triggered for 82489DX (32bit mode) */ if (!lapic_is_integrated()) v |= APIC_LVT_LEVEL_TRIGGER; + apic_write(APIC_LVT0, v); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 4fa2a8620c26..7615b4b9c3f3 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -150,6 +150,11 @@ void __cpuinit enable_NMI_through_LVT0(void) /* unmask and set to NMI */ v = APIC_DM_NMI; + + /* Level triggered for 82489DX (32bit mode) */ + if (!lapic_is_integrated()) + v |= APIC_LVT_LEVEL_TRIGGER; + apic_write(APIC_LVT0, v); } -- GitLab From 461d159694d683c9e43ead07720a3a0f17f6f060 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 09:19:05 +0530 Subject: [PATCH 0100/6244] x86_64: Declare new_utsname in asm-x86/syscalls.h Signed-off-by: Jaswinder Singh --- include/asm-x86/syscalls.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-x86/syscalls.h b/include/asm-x86/syscalls.h index 3d6b159d348c..87803da44010 100644 --- a/include/asm-x86/syscalls.h +++ b/include/asm-x86/syscalls.h @@ -5,7 +5,6 @@ * * This file is released under the GPLv2. * See the file COPYING for more details. - * */ #ifndef _ASM_X86_SYSCALLS_H @@ -87,6 +86,7 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *); /* kernel/sys_x86_64.c */ asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); +struct new_utsname; asmlinkage long sys_uname(struct new_utsname __user *); #endif /* CONFIG_X86_32 */ -- GitLab From 4fe702c7e401f912c0edd294af6e37c02f451bbb Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 10:19:27 +0530 Subject: [PATCH 0101/6244] X86_32: declare pt_regs_access as unsigned long Fixed pt_regs_access to unsigned long as per X86_64 Signed-off-by: Jaswinder Singh --- arch/x86/kernel/ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index e37dccce85db..fc3e8dcd9da6 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -69,7 +69,7 @@ static inline bool invalid_selector(u16 value) #define FLAG_MASK FLAG_MASK_32 -static long *pt_regs_access(struct pt_regs *regs, unsigned long regno) +static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno) { BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0); regno >>= 2; -- GitLab From e7f08dfdaa82def3d685d16fdb99203cbb67ec95 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 10:42:26 +0530 Subject: [PATCH 0102/6244] X86_SMP: smp.c declare functions before they get used declared following smp interrupts in asm-x86/hw_irq.h: smp_reschedule_interrupt, smp_call_function_interrupt, smp_call_function_single_interrupt Signed-off-by: Jaswinder Singh --- include/asm-x86/hw_irq.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 40b941ac81ca..08900eb90a91 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -102,6 +102,11 @@ extern void smp_error_interrupt(struct pt_regs *); extern asmlinkage void smp_spurious_interrupt(void); extern asmlinkage void smp_error_interrupt(void); #endif +#ifdef CONFIG_X86_SMP +extern void smp_reschedule_interrupt(struct pt_regs *); +extern void smp_call_function_interrupt(struct pt_regs *); +extern void smp_call_function_single_interrupt(struct pt_regs *); +#endif #ifdef CONFIG_X86_32 extern void (*const interrupt[NR_IRQS])(void); -- GitLab From f86c99853b22576ee8dc4fa27ff6f3c0c7ce0ef8 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 10:52:53 +0530 Subject: [PATCH 0103/6244] X86_SMP: smpboot.c declare idle_thread_array and smp_b_stepping as static Signed-off-by: Jaswinder Singh --- arch/x86/kernel/smpboot.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 4b53a647bc0a..a9331a42f76f 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -88,7 +88,7 @@ static DEFINE_PER_CPU(struct task_struct *, idle_thread_array); #define get_idle_for_cpu(x) (per_cpu(idle_thread_array, x)) #define set_idle_for_cpu(x, p) (per_cpu(idle_thread_array, x) = (p)) #else -struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ; +static struct task_struct *idle_thread_array[NR_CPUS] __cpuinitdata ; #define get_idle_for_cpu(x) (idle_thread_array[(x)]) #define set_idle_for_cpu(x, p) (idle_thread_array[(x)] = (p)) #endif @@ -129,7 +129,7 @@ static int boot_cpu_logical_apicid; static cpumask_t cpu_sibling_setup_map; /* Set if we find a B stepping CPU */ -int __cpuinitdata smp_b_stepping; +static int __cpuinitdata smp_b_stepping; #if defined(CONFIG_NUMA) && defined(CONFIG_X86_32) -- GitLab From 2907829cd0ffdef69083985ba28cf1cf3857c681 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 11:05:56 +0530 Subject: [PATCH 0104/6244] X86_SMP: ipi.c declare functions before they get used move upwards for __send_IPI_shortcut and send_IPI_mask_bitmask Signed-off-by: Jaswinder Singh --- arch/x86/kernel/ipi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c index 3f7537b669d3..f1c688e46f35 100644 --- a/arch/x86/kernel/ipi.c +++ b/arch/x86/kernel/ipi.c @@ -20,6 +20,8 @@ #ifdef CONFIG_X86_32 #include +#include + /* * the following functions deal with sending IPIs between CPUs. * @@ -147,7 +149,6 @@ void send_IPI_mask_sequence(cpumask_t mask, int vector) } /* must come after the send_IPI functions above for inlining */ -#include static int convert_apicid_to_cpu(int apic_id) { int i; -- GitLab From b2139aa0eec330c711c5a279db361e5ef1178e78 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Fri, 25 Jul 2008 11:32:38 +0530 Subject: [PATCH 0105/6244] X86_SMP: tlb_XX.c declare smp_invalidate_interrupt before they get used declare smp_invalidate_interrupt in asm-x86/hw_irq.h for X86_32 and X86_64 Signed-off-by: Jaswinder Singh --- include/asm-x86/hw_irq.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 08900eb90a91..67685f1d318d 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -106,6 +106,11 @@ extern asmlinkage void smp_error_interrupt(void); extern void smp_reschedule_interrupt(struct pt_regs *); extern void smp_call_function_interrupt(struct pt_regs *); extern void smp_call_function_single_interrupt(struct pt_regs *); +#ifdef CONFIG_X86_32 +extern void smp_invalidate_interrupt(struct pt_regs *); +#else +extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *); +#endif #endif #ifdef CONFIG_X86_32 -- GitLab From 3c9339049df5cc3a468c11de6c4101a1ea8c3d83 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 25 Jul 2008 11:32:36 +0200 Subject: [PATCH 0106/6244] x86: fix ds.c build error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/kernel/ds.c: In function ‘ds_allocate_buffer': arch/x86/kernel/ds.c:339: error: implicit declaration of function ‘PAGE_ALIGN' Signed-off-by: Ingo Molnar --- arch/x86/kernel/ds.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 24a323c95997..ab21c270bfa4 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -29,6 +29,7 @@ #include #include #include +#include /* -- GitLab From 021f8b75e78f9da67421a2c2e320e8934a90914a Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:45 +0200 Subject: [PATCH 0107/6244] x86: add PCI IDs for AMD Barcelona PCI devices Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- include/linux/pci_ids.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index c3b1761aba26..917d48e5ea06 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -497,6 +497,11 @@ #define PCI_DEVICE_ID_AMD_K8_NB_ADDRMAP 0x1101 #define PCI_DEVICE_ID_AMD_K8_NB_MEMCTL 0x1102 #define PCI_DEVICE_ID_AMD_K8_NB_MISC 0x1103 +#define PCI_DEVICE_ID_AMD_10H_NB_HT 0x1200 +#define PCI_DEVICE_ID_AMD_10H_NB_MAP 0x1201 +#define PCI_DEVICE_ID_AMD_10H_NB_DRAM 0x1202 +#define PCI_DEVICE_ID_AMD_10H_NB_MISC 0x1203 +#define PCI_DEVICE_ID_AMD_10H_NB_LINK 0x1204 #define PCI_DEVICE_ID_AMD_LANCE 0x2000 #define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001 #define PCI_DEVICE_ID_AMD_SCSI 0x2020 -- GitLab From 286f571837ba9d67625afd015366d79345abb414 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:46 +0200 Subject: [PATCH 0108/6244] x86: apic_*.c: add description to AMD's extended LVT functions Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 3 +++ arch/x86/kernel/apic_64.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index d6c898358371..fad94b0decc1 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -646,6 +646,9 @@ int setup_profiling_timer(unsigned int multiplier) * * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and * MCE interrupts are supported. Thus MCE offset must be set to 0. + * + * If mask=1, the LVT entry does not generate interrupts while mask=0 + * enables the vector. See also the BKDGs. */ #define APIC_EILVT_LVTOFF_MCE 0 diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 7f1f030da7ee..42bf69f8bc8e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -205,6 +205,9 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) * * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and * MCE interrupts are supported. Thus MCE offset must be set to 0. + * + * If mask=1, the LVT entry does not generate interrupts while mask=0 + * enables the vector. See also the BKDGs. */ #define APIC_EILVT_LVTOFF_MCE 0 -- GitLab From 12f2b2610e812627acf338aaf043fef20bb726ca Mon Sep 17 00:00:00 2001 From: Barry Kasindorf Date: Tue, 22 Jul 2008 21:08:47 +0200 Subject: [PATCH 0109/6244] oprofile: Add support for AMD Family 11h This patch add support for AMD Family 11h CPUs. Signed-off-by: Barry Kasindorf Signed-off-by: Robert Richter Cc: oprofile-list Signed-off-by: Ingo Molnar --- arch/x86/oprofile/nmi_int.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 3f90289410e6..33db99ab90c0 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -436,6 +436,10 @@ int __init op_nmi_init(struct oprofile_operations *ops) model = &op_athlon_spec; cpu_type = "x86-64/family10"; break; + case 0x11: + model = &op_athlon_spec; + cpu_type = "x86-64/family11h"; + break; } break; -- GitLab From adf5ec0bca553b763a6b9baed2677a4c7470025b Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:48 +0200 Subject: [PATCH 0110/6244] x86/oprofile: introduce model specific init/exit functions This patch implements model specific OProfile init/exit functions for x86 CPUs. Though there is more rework needed at the initialization code, this new introduced functions allow it to keep model specific code in the corresponding op_model_*.c files. The function interface is the same as for oprofile_arch_init/exit(). Signed-off-by: Robert Richter Cc: oprofile-list Signed-off-by: Ingo Molnar --- arch/x86/oprofile/nmi_int.c | 11 ++++++++++- arch/x86/oprofile/op_model_athlon.c | 18 +++++++++++++++--- arch/x86/oprofile/op_x86_model.h | 2 ++ 3 files changed, 27 insertions(+), 4 deletions(-) diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 33db99ab90c0..75e889156f23 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -1,10 +1,11 @@ /** * @file nmi_int.c * - * @remark Copyright 2002 OProfile authors + * @remark Copyright 2002-2008 OProfile authors * @remark Read the file COPYING * * @author John Levon + * @author Robert Richter */ #include @@ -411,6 +412,7 @@ int __init op_nmi_init(struct oprofile_operations *ops) __u8 vendor = boot_cpu_data.x86_vendor; __u8 family = boot_cpu_data.x86; char *cpu_type; + int ret = 0; if (!cpu_has_apic) return -ENODEV; @@ -466,6 +468,11 @@ int __init op_nmi_init(struct oprofile_operations *ops) return -ENODEV; } + if (model->init) + ret = model->init(ops); + if (ret) + return ret; + init_sysfs(); using_nmi = 1; ops->create_files = nmi_create_files; @@ -482,4 +489,6 @@ void op_nmi_exit(void) { if (using_nmi) exit_sysfs(); + if (model->exit) + model->exit(); } diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 3d534879a9dc..dd8b1dcd163b 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -1,14 +1,15 @@ /* - * @file op_model_athlon.h + * @file op_model_athlon.c * athlon / K7 / K8 / Family 10h model-specific MSR operations * - * @remark Copyright 2002 OProfile authors + * @remark Copyright 2002-2008 OProfile authors * @remark Read the file COPYING * * @author John Levon * @author Philippe Elie * @author Graydon Hoare - */ + * @author Robert Richter +*/ #include #include @@ -178,7 +179,18 @@ static void athlon_shutdown(struct op_msrs const * const msrs) } } +static int op_amd_init(struct oprofile_operations *ops) +{ + return 0; +} + +static void op_amd_exit(void) +{ +} + struct op_x86_model_spec const op_athlon_spec = { + .init = op_amd_init, + .exit = op_amd_exit, .num_counters = NUM_COUNTERS, .num_controls = NUM_CONTROLS, .fill_in_addresses = &athlon_fill_in_addresses, diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h index 45b605fa71d0..ee9ca96253f4 100644 --- a/arch/x86/oprofile/op_x86_model.h +++ b/arch/x86/oprofile/op_x86_model.h @@ -32,6 +32,8 @@ struct pt_regs; * various x86 CPU models' perfctr support. */ struct op_x86_model_spec { + int (*init)(struct oprofile_operations *ops); + void (*exit)(void); unsigned int const num_counters; unsigned int const num_controls; void (*fill_in_addresses)(struct op_msrs * const msrs); -- GitLab From dfa154289701ed315909b4e371a0381c52c8bdc9 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:49 +0200 Subject: [PATCH 0111/6244] x86/oprofile: Minor changes in op_model_athlon.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index dd8b1dcd163b..d25d7f195036 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -45,6 +45,8 @@ static unsigned long reset_value[NUM_COUNTERS]; +/* functions for op_athlon_spec */ + static void athlon_fill_in_addresses(struct op_msrs * const msrs) { int i; -- GitLab From 6657fe4f5650ff7174d418d4bfa50c4640e81a2b Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:50 +0200 Subject: [PATCH 0112/6244] x86/oprofile: renaming athlon_*() into op_amd_*() These functions contain code for all AMD CPUs. The new names fit better. Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/nmi_int.c | 8 ++++---- arch/x86/oprofile/op_model_athlon.c | 28 ++++++++++++++-------------- arch/x86/oprofile/op_x86_model.h | 2 +- 3 files changed, 19 insertions(+), 19 deletions(-) diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 75e889156f23..b29819313f2b 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -425,21 +425,21 @@ int __init op_nmi_init(struct oprofile_operations *ops) default: return -ENODEV; case 6: - model = &op_athlon_spec; + model = &op_amd_spec; cpu_type = "i386/athlon"; break; case 0xf: - model = &op_athlon_spec; + model = &op_amd_spec; /* Actually it could be i386/hammer too, but give user space an consistent name. */ cpu_type = "x86-64/hammer"; break; case 0x10: - model = &op_athlon_spec; + model = &op_amd_spec; cpu_type = "x86-64/family10"; break; case 0x11: - model = &op_athlon_spec; + model = &op_amd_spec; cpu_type = "x86-64/family11h"; break; } diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index d25d7f195036..40ecb020c7d2 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -45,9 +45,9 @@ static unsigned long reset_value[NUM_COUNTERS]; -/* functions for op_athlon_spec */ +/* functions for op_amd_spec */ -static void athlon_fill_in_addresses(struct op_msrs * const msrs) +static void op_amd_fill_in_addresses(struct op_msrs * const msrs) { int i; @@ -67,7 +67,7 @@ static void athlon_fill_in_addresses(struct op_msrs * const msrs) } -static void athlon_setup_ctrs(struct op_msrs const * const msrs) +static void op_amd_setup_ctrs(struct op_msrs const * const msrs) { unsigned int low, high; int i; @@ -116,7 +116,7 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs) } -static int athlon_check_ctrs(struct pt_regs * const regs, +static int op_amd_check_ctrs(struct pt_regs * const regs, struct op_msrs const * const msrs) { unsigned int low, high; @@ -137,7 +137,7 @@ static int athlon_check_ctrs(struct pt_regs * const regs, } -static void athlon_start(struct op_msrs const * const msrs) +static void op_amd_start(struct op_msrs const * const msrs) { unsigned int low, high; int i; @@ -151,7 +151,7 @@ static void athlon_start(struct op_msrs const * const msrs) } -static void athlon_stop(struct op_msrs const * const msrs) +static void op_amd_stop(struct op_msrs const * const msrs) { unsigned int low, high; int i; @@ -167,7 +167,7 @@ static void athlon_stop(struct op_msrs const * const msrs) } } -static void athlon_shutdown(struct op_msrs const * const msrs) +static void op_amd_shutdown(struct op_msrs const * const msrs) { int i; @@ -190,15 +190,15 @@ static void op_amd_exit(void) { } -struct op_x86_model_spec const op_athlon_spec = { +struct op_x86_model_spec const op_amd_spec = { .init = op_amd_init, .exit = op_amd_exit, .num_counters = NUM_COUNTERS, .num_controls = NUM_CONTROLS, - .fill_in_addresses = &athlon_fill_in_addresses, - .setup_ctrs = &athlon_setup_ctrs, - .check_ctrs = &athlon_check_ctrs, - .start = &athlon_start, - .stop = &athlon_stop, - .shutdown = &athlon_shutdown + .fill_in_addresses = &op_amd_fill_in_addresses, + .setup_ctrs = &op_amd_setup_ctrs, + .check_ctrs = &op_amd_check_ctrs, + .start = &op_amd_start, + .stop = &op_amd_stop, + .shutdown = &op_amd_shutdown }; diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h index ee9ca96253f4..05a0261ba0c3 100644 --- a/arch/x86/oprofile/op_x86_model.h +++ b/arch/x86/oprofile/op_x86_model.h @@ -48,6 +48,6 @@ struct op_x86_model_spec { extern struct op_x86_model_spec const op_ppro_spec; extern struct op_x86_model_spec const op_p4_spec; extern struct op_x86_model_spec const op_p4_ht2_spec; -extern struct op_x86_model_spec const op_athlon_spec; +extern struct op_x86_model_spec const op_amd_spec; #endif /* OP_X86_MODEL_H */ -- GitLab From 73185e0a5d11d729d451692034fbe55a9eba7468 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:51 +0200 Subject: [PATCH 0113/6244] drivers/oprofile: coding style fixes in buffer_sync.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- drivers/oprofile/buffer_sync.c | 111 +++++++++++++++++---------------- 1 file changed, 57 insertions(+), 54 deletions(-) diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 9304c4555079..69a732778ba7 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -33,7 +33,7 @@ #include "event_buffer.h" #include "cpu_buffer.h" #include "buffer_sync.h" - + static LIST_HEAD(dying_tasks); static LIST_HEAD(dead_tasks); static cpumask_t marked_cpus = CPU_MASK_NONE; @@ -48,10 +48,11 @@ static void process_task_mortuary(void); * Can be invoked from softirq via RCU callback due to * call_rcu() of the task struct, hence the _irqsave. */ -static int task_free_notify(struct notifier_block * self, unsigned long val, void * data) +static int +task_free_notify(struct notifier_block *self, unsigned long val, void *data) { unsigned long flags; - struct task_struct * task = data; + struct task_struct *task = data; spin_lock_irqsave(&task_mortuary, flags); list_add(&task->tasks, &dying_tasks); spin_unlock_irqrestore(&task_mortuary, flags); @@ -62,13 +63,14 @@ static int task_free_notify(struct notifier_block * self, unsigned long val, voi /* The task is on its way out. A sync of the buffer means we can catch * any remaining samples for this task. */ -static int task_exit_notify(struct notifier_block * self, unsigned long val, void * data) +static int +task_exit_notify(struct notifier_block *self, unsigned long val, void *data) { /* To avoid latency problems, we only process the current CPU, * hoping that most samples for the task are on this CPU */ sync_buffer(raw_smp_processor_id()); - return 0; + return 0; } @@ -77,11 +79,12 @@ static int task_exit_notify(struct notifier_block * self, unsigned long val, voi * we don't lose any. This does not have to be exact, it's a QoI issue * only. */ -static int munmap_notify(struct notifier_block * self, unsigned long val, void * data) +static int +munmap_notify(struct notifier_block *self, unsigned long val, void *data) { unsigned long addr = (unsigned long)data; - struct mm_struct * mm = current->mm; - struct vm_area_struct * mpnt; + struct mm_struct *mm = current->mm; + struct vm_area_struct *mpnt; down_read(&mm->mmap_sem); @@ -99,11 +102,12 @@ static int munmap_notify(struct notifier_block * self, unsigned long val, void * return 0; } - + /* We need to be told about new modules so we don't attribute to a previously * loaded module, or drop the samples on the floor. */ -static int module_load_notify(struct notifier_block * self, unsigned long val, void * data) +static int +module_load_notify(struct notifier_block *self, unsigned long val, void *data) { #ifdef CONFIG_MODULES if (val != MODULE_STATE_COMING) @@ -118,7 +122,7 @@ static int module_load_notify(struct notifier_block * self, unsigned long val, v return 0; } - + static struct notifier_block task_free_nb = { .notifier_call = task_free_notify, }; @@ -135,7 +139,7 @@ static struct notifier_block module_load_nb = { .notifier_call = module_load_notify, }; - + static void end_sync(void) { end_cpu_work(); @@ -208,14 +212,14 @@ static inline unsigned long fast_get_dcookie(struct path *path) * not strictly necessary but allows oprofile to associate * shared-library samples with particular applications */ -static unsigned long get_exec_dcookie(struct mm_struct * mm) +static unsigned long get_exec_dcookie(struct mm_struct *mm) { unsigned long cookie = NO_COOKIE; - struct vm_area_struct * vma; - + struct vm_area_struct *vma; + if (!mm) goto out; - + for (vma = mm->mmap; vma; vma = vma->vm_next) { if (!vma->vm_file) continue; @@ -235,13 +239,14 @@ out: * sure to do this lookup before a mm->mmap modification happens so * we don't lose track. */ -static unsigned long lookup_dcookie(struct mm_struct * mm, unsigned long addr, off_t * offset) +static unsigned long +lookup_dcookie(struct mm_struct *mm, unsigned long addr, off_t *offset) { unsigned long cookie = NO_COOKIE; - struct vm_area_struct * vma; + struct vm_area_struct *vma; for (vma = find_vma(mm, addr); vma; vma = vma->vm_next) { - + if (addr < vma->vm_start || addr >= vma->vm_end) continue; @@ -265,7 +270,7 @@ static unsigned long lookup_dcookie(struct mm_struct * mm, unsigned long addr, o static unsigned long last_cookie = INVALID_COOKIE; - + static void add_cpu_switch(int i) { add_event_entry(ESCAPE_CODE); @@ -278,16 +283,16 @@ static void add_kernel_ctx_switch(unsigned int in_kernel) { add_event_entry(ESCAPE_CODE); if (in_kernel) - add_event_entry(KERNEL_ENTER_SWITCH_CODE); + add_event_entry(KERNEL_ENTER_SWITCH_CODE); else - add_event_entry(KERNEL_EXIT_SWITCH_CODE); + add_event_entry(KERNEL_EXIT_SWITCH_CODE); } - + static void -add_user_ctx_switch(struct task_struct const * task, unsigned long cookie) +add_user_ctx_switch(struct task_struct const *task, unsigned long cookie) { add_event_entry(ESCAPE_CODE); - add_event_entry(CTX_SWITCH_CODE); + add_event_entry(CTX_SWITCH_CODE); add_event_entry(task->pid); add_event_entry(cookie); /* Another code for daemon back-compat */ @@ -296,7 +301,7 @@ add_user_ctx_switch(struct task_struct const * task, unsigned long cookie) add_event_entry(task->tgid); } - + static void add_cookie_switch(unsigned long cookie) { add_event_entry(ESCAPE_CODE); @@ -304,7 +309,7 @@ static void add_cookie_switch(unsigned long cookie) add_event_entry(cookie); } - + static void add_trace_begin(void) { add_event_entry(ESCAPE_CODE); @@ -319,13 +324,13 @@ static void add_sample_entry(unsigned long offset, unsigned long event) } -static int add_us_sample(struct mm_struct * mm, struct op_sample * s) +static int add_us_sample(struct mm_struct *mm, struct op_sample *s) { unsigned long cookie; off_t offset; - - cookie = lookup_dcookie(mm, s->eip, &offset); - + + cookie = lookup_dcookie(mm, s->eip, &offset); + if (cookie == INVALID_COOKIE) { atomic_inc(&oprofile_stats.sample_lost_no_mapping); return 0; @@ -341,13 +346,13 @@ static int add_us_sample(struct mm_struct * mm, struct op_sample * s) return 1; } - + /* Add a sample to the global event buffer. If possible the * sample is converted into a persistent dentry/offset pair * for later lookup from userspace. */ static int -add_sample(struct mm_struct * mm, struct op_sample * s, int in_kernel) +add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel) { if (in_kernel) { add_sample_entry(s->eip, s->event); @@ -359,9 +364,9 @@ add_sample(struct mm_struct * mm, struct op_sample * s, int in_kernel) } return 0; } - -static void release_mm(struct mm_struct * mm) + +static void release_mm(struct mm_struct *mm) { if (!mm) return; @@ -370,9 +375,9 @@ static void release_mm(struct mm_struct * mm) } -static struct mm_struct * take_tasks_mm(struct task_struct * task) +static struct mm_struct *take_tasks_mm(struct task_struct *task) { - struct mm_struct * mm = get_task_mm(task); + struct mm_struct *mm = get_task_mm(task); if (mm) down_read(&mm->mmap_sem); return mm; @@ -383,10 +388,10 @@ static inline int is_code(unsigned long val) { return val == ESCAPE_CODE; } - + /* "acquire" as many cpu buffer slots as we can */ -static unsigned long get_slots(struct oprofile_cpu_buffer * b) +static unsigned long get_slots(struct oprofile_cpu_buffer *b) { unsigned long head = b->head_pos; unsigned long tail = b->tail_pos; @@ -412,7 +417,7 @@ static unsigned long get_slots(struct oprofile_cpu_buffer * b) } -static void increment_tail(struct oprofile_cpu_buffer * b) +static void increment_tail(struct oprofile_cpu_buffer *b) { unsigned long new_tail = b->tail_pos + 1; @@ -435,8 +440,8 @@ static void process_task_mortuary(void) { unsigned long flags; LIST_HEAD(local_dead_tasks); - struct task_struct * task; - struct task_struct * ttask; + struct task_struct *task; + struct task_struct *ttask; spin_lock_irqsave(&task_mortuary, flags); @@ -493,7 +498,7 @@ void sync_buffer(int cpu) { struct oprofile_cpu_buffer *cpu_buf = &per_cpu(cpu_buffer, cpu); struct mm_struct *mm = NULL; - struct task_struct * new; + struct task_struct *new; unsigned long cookie = 0; int in_kernel = 1; unsigned int i; @@ -501,7 +506,7 @@ void sync_buffer(int cpu) unsigned long available; mutex_lock(&buffer_mutex); - + add_cpu_switch(cpu); /* Remember, only we can modify tail_pos */ @@ -509,8 +514,8 @@ void sync_buffer(int cpu) available = get_slots(cpu_buf); for (i = 0; i < available; ++i) { - struct op_sample * s = &cpu_buf->buffer[cpu_buf->tail_pos]; - + struct op_sample *s = &cpu_buf->buffer[cpu_buf->tail_pos]; + if (is_code(s->eip)) { if (s->event <= CPU_IS_KERNEL) { /* kernel/userspace switch */ @@ -522,7 +527,7 @@ void sync_buffer(int cpu) state = sb_bt_start; add_trace_begin(); } else { - struct mm_struct * oldmm = mm; + struct mm_struct *oldmm = mm; /* userspace context switch */ new = (struct task_struct *)s->event; @@ -533,13 +538,11 @@ void sync_buffer(int cpu) cookie = get_exec_dcookie(mm); add_user_ctx_switch(new, cookie); } - } else { - if (state >= sb_bt_start && - !add_sample(mm, s, in_kernel)) { - if (state == sb_bt_start) { - state = sb_bt_ignore; - atomic_inc(&oprofile_stats.bt_lost_no_mapping); - } + } else if (state >= sb_bt_start && + !add_sample(mm, s, in_kernel)) { + if (state == sb_bt_start) { + state = sb_bt_ignore; + atomic_inc(&oprofile_stats.bt_lost_no_mapping); } } -- GitLab From 5e11f98dcebc40c9d67e8d21a5f47248444c17a8 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:52 +0200 Subject: [PATCH 0114/6244] OProfile: moving increment_tail() in buffer_sync.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- drivers/oprofile/buffer_sync.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 69a732778ba7..615929f6f0c2 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -268,6 +268,17 @@ lookup_dcookie(struct mm_struct *mm, unsigned long addr, off_t *offset) return cookie; } +static void increment_tail(struct oprofile_cpu_buffer *b) +{ + unsigned long new_tail = b->tail_pos + 1; + + rmb(); + + if (new_tail < b->buffer_size) + b->tail_pos = new_tail; + else + b->tail_pos = 0; +} static unsigned long last_cookie = INVALID_COOKIE; @@ -417,19 +428,6 @@ static unsigned long get_slots(struct oprofile_cpu_buffer *b) } -static void increment_tail(struct oprofile_cpu_buffer *b) -{ - unsigned long new_tail = b->tail_pos + 1; - - rmb(); - - if (new_tail < b->buffer_size) - b->tail_pos = new_tail; - else - b->tail_pos = 0; -} - - /* Move tasks along towards death. Any tasks on dead_tasks * will definitely have no remaining references in any * CPU buffers at this point, because we use two lists, -- GitLab From ee648bc77f11b57d15a68d336fc30e343198f893 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:53 +0200 Subject: [PATCH 0115/6244] OProfile: add IBS code macros Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- include/linux/oprofile.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 041bb31100f4..bcb8f725427c 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -36,6 +36,8 @@ #define XEN_ENTER_SWITCH_CODE 10 #define SPU_PROFILING_CODE 11 #define SPU_CTX_SWITCH_CODE 12 +#define IBS_FETCH_CODE 13 +#define IBS_OP_CODE 14 struct super_block; struct dentry; -- GitLab From 345c25730d085c45622ac779da4dbd97dc3a10fe Mon Sep 17 00:00:00 2001 From: Barry Kasindorf Date: Tue, 22 Jul 2008 21:08:54 +0200 Subject: [PATCH 0116/6244] x86/oprofile: add IBS support for AMD CPUs, IBS buffer handling routines This patchset supports the new profiling hardware available in the latest AMD CPUs in the oProfile driver. Signed-off-by: Barry Kasindorf Signed-off-by: Robert Richter Cc: oprofile-list Signed-off-by: Ingo Molnar --- drivers/oprofile/buffer_sync.c | 72 +++++++++++++++++++++++++++++++++- drivers/oprofile/cpu_buffer.c | 68 +++++++++++++++++++++++++++++++- drivers/oprofile/cpu_buffer.h | 2 + 3 files changed, 140 insertions(+), 2 deletions(-) diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 615929f6f0c2..e1782d2df09f 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -5,6 +5,7 @@ * @remark Read the file COPYING * * @author John Levon + * @author Barry Kasindorf * * This is the core of the buffer management. Each * CPU buffer is processed and entered into the @@ -272,7 +273,7 @@ static void increment_tail(struct oprofile_cpu_buffer *b) { unsigned long new_tail = b->tail_pos + 1; - rmb(); + rmb(); /* be sure fifo pointers are synchromized */ if (new_tail < b->buffer_size) b->tail_pos = new_tail; @@ -327,6 +328,67 @@ static void add_trace_begin(void) add_event_entry(TRACE_BEGIN_CODE); } +#define IBS_FETCH_CODE_SIZE 2 +#define IBS_OP_CODE_SIZE 5 +#define IBS_EIP(offset) \ + (((struct op_sample *)&cpu_buf->buffer[(offset)])->eip) +#define IBS_EVENT(offset) \ + (((struct op_sample *)&cpu_buf->buffer[(offset)])->event) + +/* + * Add IBS fetch and op entries to event buffer + */ +static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code, + int in_kernel, struct mm_struct *mm) +{ + unsigned long rip; + int i, count; + unsigned long ibs_cookie = 0; + off_t offset; + + increment_tail(cpu_buf); /* move to RIP entry */ + + rip = IBS_EIP(cpu_buf->tail_pos); + +#ifdef __LP64__ + rip += IBS_EVENT(cpu_buf->tail_pos) << 32; +#endif + + if (mm) { + ibs_cookie = lookup_dcookie(mm, rip, &offset); + + if (ibs_cookie == NO_COOKIE) + offset = rip; + if (ibs_cookie == INVALID_COOKIE) { + atomic_inc(&oprofile_stats.sample_lost_no_mapping); + offset = rip; + } + if (ibs_cookie != last_cookie) { + add_cookie_switch(ibs_cookie); + last_cookie = ibs_cookie; + } + } else + offset = rip; + + add_event_entry(ESCAPE_CODE); + add_event_entry(code); + add_event_entry(offset); /* Offset from Dcookie */ + + /* we send the Dcookie offset, but send the raw Linear Add also*/ + add_event_entry(IBS_EIP(cpu_buf->tail_pos)); + add_event_entry(IBS_EVENT(cpu_buf->tail_pos)); + + if (code == IBS_FETCH_CODE) + count = IBS_FETCH_CODE_SIZE; /*IBS FETCH is 2 int64s*/ + else + count = IBS_OP_CODE_SIZE; /*IBS OP is 5 int64s*/ + + for (i = 0; i < count; i++) { + increment_tail(cpu_buf); + add_event_entry(IBS_EIP(cpu_buf->tail_pos)); + add_event_entry(IBS_EVENT(cpu_buf->tail_pos)); + } +} static void add_sample_entry(unsigned long offset, unsigned long event) { @@ -524,6 +586,14 @@ void sync_buffer(int cpu) } else if (s->event == CPU_TRACE_BEGIN) { state = sb_bt_start; add_trace_begin(); + } else if (s->event == IBS_FETCH_BEGIN) { + state = sb_bt_start; + add_ibs_begin(cpu_buf, + IBS_FETCH_CODE, in_kernel, mm); + } else if (s->event == IBS_OP_BEGIN) { + state = sb_bt_start; + add_ibs_begin(cpu_buf, + IBS_OP_CODE, in_kernel, mm); } else { struct mm_struct *oldmm = mm; diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 2450b3a393ff..c9ac4e156918 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -5,6 +5,7 @@ * @remark Read the file COPYING * * @author John Levon + * @author Barry Kasindorf * * Each CPU has a local buffer that stores PC value/event * pairs. We also log context switches when we notice them. @@ -207,7 +208,7 @@ static int log_sample(struct oprofile_cpu_buffer * cpu_buf, unsigned long pc, return 1; } -static int oprofile_begin_trace(struct oprofile_cpu_buffer * cpu_buf) +static int oprofile_begin_trace(struct oprofile_cpu_buffer *cpu_buf) { if (nr_available_slots(cpu_buf) < 4) { cpu_buf->sample_lost_overflow++; @@ -252,6 +253,71 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) oprofile_add_ext_sample(pc, regs, event, is_kernel); } +#define MAX_IBS_SAMPLE_SIZE 14 +static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf, + unsigned long pc, int is_kernel, unsigned int *ibs, int ibs_code) +{ + struct task_struct *task; + + cpu_buf->sample_received++; + + if (nr_available_slots(cpu_buf) < MAX_IBS_SAMPLE_SIZE) { + cpu_buf->sample_lost_overflow++; + return 0; + } + + is_kernel = !!is_kernel; + + /* notice a switch from user->kernel or vice versa */ + if (cpu_buf->last_is_kernel != is_kernel) { + cpu_buf->last_is_kernel = is_kernel; + add_code(cpu_buf, is_kernel); + } + + /* notice a task switch */ + if (!is_kernel) { + task = current; + + if (cpu_buf->last_task != task) { + cpu_buf->last_task = task; + add_code(cpu_buf, (unsigned long)task); + } + } + + add_code(cpu_buf, ibs_code); + add_sample(cpu_buf, ibs[0], ibs[1]); + add_sample(cpu_buf, ibs[2], ibs[3]); + add_sample(cpu_buf, ibs[4], ibs[5]); + + if (ibs_code == IBS_OP_BEGIN) { + add_sample(cpu_buf, ibs[6], ibs[7]); + add_sample(cpu_buf, ibs[8], ibs[9]); + add_sample(cpu_buf, ibs[10], ibs[11]); + } + + return 1; +} + +void oprofile_add_ibs_sample(struct pt_regs *const regs, + unsigned int * const ibs_sample, u8 code) +{ + int is_kernel = !user_mode(regs); + unsigned long pc = profile_pc(regs); + + struct oprofile_cpu_buffer *cpu_buf = + &per_cpu(cpu_buffer, smp_processor_id()); + + if (!backtrace_depth) { + log_ibs_sample(cpu_buf, pc, is_kernel, ibs_sample, code); + return; + } + + /* if log_sample() fails we can't backtrace since we lost the source + * of this event */ + if (log_ibs_sample(cpu_buf, pc, is_kernel, ibs_sample, code)) + oprofile_ops.backtrace(regs, backtrace_depth); +} + void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) { struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer); diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index c3e366b52261..9c44d004da69 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -55,5 +55,7 @@ void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf); /* transient events for the CPU buffer -> event buffer */ #define CPU_IS_KERNEL 1 #define CPU_TRACE_BEGIN 2 +#define IBS_FETCH_BEGIN 3 +#define IBS_OP_BEGIN 4 #endif /* OPROFILE_CPU_BUFFER_H */ -- GitLab From 56784f11df473b4c1d9d0e37777fd7c0b77b6bca Mon Sep 17 00:00:00 2001 From: Barry Kasindorf Date: Tue, 22 Jul 2008 21:08:55 +0200 Subject: [PATCH 0117/6244] x86/oprofile: add IBS support for AMD CPUs, model specific code This patchset supports the new profiling hardware available in the latest AMD CPUs in the oProfile driver. Signed-off-by: Barry Kasindorf Signed-off-by: Robert Richter Cc: oprofile-list Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 257 ++++++++++++++++++++++++++++ 1 file changed, 257 insertions(+) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 40ecb020c7d2..229e0b4e21e3 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -9,9 +9,13 @@ * @author Philippe Elie * @author Graydon Hoare * @author Robert Richter + * @author Barry Kasindorf */ #include +#include +#include + #include #include #include @@ -43,7 +47,83 @@ #define CTRL_SET_HOST_ONLY(val, h) (val |= ((h & 1) << 9)) #define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8)) +#define IBS_FETCH_CTL_HIGH_MASK 0xFFFFFFFF +/* high dword bit IbsFetchCtl[bit 49] */ +#define IBS_FETCH_VALID_BIT (1UL << 17) +/* high dword bit IbsFetchCtl[bit 52] */ +#define IBS_FETCH_PHY_ADDR_VALID_BIT (1UL << 20) +/* high dword bit IbsFetchCtl[bit 48] */ +#define IBS_FETCH_ENABLE (1UL << 16) + +#define IBS_FETCH_CTL_CNT_MASK 0x00000000FFFF0000UL +#define IBS_FETCH_CTL_MAX_CNT_MASK 0x000000000000FFFFUL + +/*IbsOpCtl masks/bits */ +#define IBS_OP_VALID_BIT (1ULL<<18) /* IbsOpCtl[bit18] */ +#define IBS_OP_ENABLE (1ULL<<17) /* IBS_OP_ENABLE[bit17]*/ + +/* Codes used in cpu_buffer.c */ +#define IBS_FETCH_BEGIN 3 +#define IBS_OP_BEGIN 4 + +/*IbsOpData3 masks */ +#define IBS_CTL_LVT_OFFSET_VALID_BIT (1ULL<<8) + +/*PCI Extended Configuration Constants */ +/* MSR to set the IBS control register APIC LVT offset */ +#define IBS_LVT_OFFSET_PCI 0x1CC + +struct ibs_fetch_sample { + /* MSRC001_1031 IBS Fetch Linear Address Register */ + unsigned int ibs_fetch_lin_addr_low; + unsigned int ibs_fetch_lin_addr_high; + /* MSRC001_1030 IBS Fetch Control Register */ + unsigned int ibs_fetch_ctl_low; + unsigned int ibs_fetch_ctl_high; + /* MSRC001_1032 IBS Fetch Physical Address Register */ + unsigned int ibs_fetch_phys_addr_low; + unsigned int ibs_fetch_phys_addr_high; +}; + +struct ibs_op_sample { + /* MSRC001_1034 IBS Op Logical Address Register (IbsRIP) */ + unsigned int ibs_op_rip_low; + unsigned int ibs_op_rip_high; + /* MSRC001_1035 IBS Op Data Register */ + unsigned int ibs_op_data1_low; + unsigned int ibs_op_data1_high; + /* MSRC001_1036 IBS Op Data 2 Register */ + unsigned int ibs_op_data2_low; + unsigned int ibs_op_data2_high; + /* MSRC001_1037 IBS Op Data 3 Register */ + unsigned int ibs_op_data3_low; + unsigned int ibs_op_data3_high; + /* MSRC001_1038 IBS DC Linear Address Register (IbsDcLinAd) */ + unsigned int ibs_dc_linear_low; + unsigned int ibs_dc_linear_high; + /* MSRC001_1039 IBS DC Physical Address Register (IbsDcPhysAd) */ + unsigned int ibs_dc_phys_low; + unsigned int ibs_dc_phys_high; +}; + +/* + * unitialize the APIC for the IBS interrupts if needed on AMD Family10h+ +*/ +static void clear_ibs_nmi(void); + static unsigned long reset_value[NUM_COUNTERS]; +static int ibs_allowed; /* AMD Family10h and later */ + +struct op_ibs_config { + unsigned long op_enabled; + unsigned long fetch_enabled; + unsigned long max_cnt_fetch; + unsigned long max_cnt_op; + unsigned long rand_en; + unsigned long dispatched_ops; +}; + +static struct op_ibs_config ibs_config; /* functions for op_amd_spec */ @@ -121,6 +201,8 @@ static int op_amd_check_ctrs(struct pt_regs * const regs, { unsigned int low, high; int i; + struct ibs_fetch_sample ibs_fetch; + struct ibs_op_sample ibs_op; for (i = 0 ; i < NUM_COUNTERS; ++i) { if (!reset_value[i]) @@ -132,6 +214,65 @@ static int op_amd_check_ctrs(struct pt_regs * const regs, } } + /*If AMD and IBS is available */ + if (ibs_allowed && ibs_config.fetch_enabled) { + rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); + if (high & IBS_FETCH_VALID_BIT) { + ibs_fetch.ibs_fetch_ctl_high = high; + ibs_fetch.ibs_fetch_ctl_low = low; + rdmsr(MSR_AMD64_IBSFETCHLINAD, low, high); + ibs_fetch.ibs_fetch_lin_addr_high = high; + ibs_fetch.ibs_fetch_lin_addr_low = low; + rdmsr(MSR_AMD64_IBSFETCHPHYSAD, low, high); + ibs_fetch.ibs_fetch_phys_addr_high = high; + ibs_fetch.ibs_fetch_phys_addr_low = low; + + oprofile_add_ibs_sample(regs, + (unsigned int *)&ibs_fetch, + IBS_FETCH_BEGIN); + + /*reenable the IRQ */ + rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); + high &= ~(IBS_FETCH_VALID_BIT); + high |= IBS_FETCH_ENABLE; + low &= IBS_FETCH_CTL_MAX_CNT_MASK; + wrmsr(MSR_AMD64_IBSFETCHCTL, low, high); + } + } + + if (ibs_allowed && ibs_config.op_enabled) { + rdmsr(MSR_AMD64_IBSOPCTL, low, high); + if (low & IBS_OP_VALID_BIT) { + rdmsr(MSR_AMD64_IBSOPRIP, low, high); + ibs_op.ibs_op_rip_low = low; + ibs_op.ibs_op_rip_high = high; + rdmsr(MSR_AMD64_IBSOPDATA, low, high); + ibs_op.ibs_op_data1_low = low; + ibs_op.ibs_op_data1_high = high; + rdmsr(MSR_AMD64_IBSOPDATA2, low, high); + ibs_op.ibs_op_data2_low = low; + ibs_op.ibs_op_data2_high = high; + rdmsr(MSR_AMD64_IBSOPDATA3, low, high); + ibs_op.ibs_op_data3_low = low; + ibs_op.ibs_op_data3_high = high; + rdmsr(MSR_AMD64_IBSDCLINAD, low, high); + ibs_op.ibs_dc_linear_low = low; + ibs_op.ibs_dc_linear_high = high; + rdmsr(MSR_AMD64_IBSDCPHYSAD, low, high); + ibs_op.ibs_dc_phys_low = low; + ibs_op.ibs_dc_phys_high = high; + + /* reenable the IRQ */ + oprofile_add_ibs_sample(regs, + (unsigned int *)&ibs_op, + IBS_OP_BEGIN); + rdmsr(MSR_AMD64_IBSOPCTL, low, high); + low &= ~(IBS_OP_VALID_BIT); + low |= IBS_OP_ENABLE; + wrmsr(MSR_AMD64_IBSOPCTL, low, high); + } + } + /* See op_model_ppro.c */ return 1; } @@ -148,6 +289,17 @@ static void op_amd_start(struct op_msrs const * const msrs) CTRL_WRITE(low, high, msrs, i); } } + if (ibs_allowed && ibs_config.fetch_enabled) { + low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF; + high = IBS_FETCH_ENABLE; + wrmsr(MSR_AMD64_IBSFETCHCTL, low, high); + } + + if (ibs_allowed && ibs_config.op_enabled) { + low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF) + IBS_OP_ENABLE; + high = 0; + wrmsr(MSR_AMD64_IBSOPCTL, low, high); + } } @@ -165,6 +317,18 @@ static void op_amd_stop(struct op_msrs const * const msrs) CTRL_SET_INACTIVE(low); CTRL_WRITE(low, high, msrs, i); } + + if (ibs_allowed && ibs_config.fetch_enabled) { + low = 0; /* clear max count and enable */ + high = 0; + wrmsr(MSR_AMD64_IBSFETCHCTL, low, high); + } + + if (ibs_allowed && ibs_config.op_enabled) { + low = 0; /* clear max count and enable */ + high = 0; + wrmsr(MSR_AMD64_IBSOPCTL, low, high); + } } static void op_amd_shutdown(struct op_msrs const * const msrs) @@ -181,6 +345,99 @@ static void op_amd_shutdown(struct op_msrs const * const msrs) } } +static inline void apic_init_ibs_nmi_per_cpu(void *arg) +{ + setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0); +} + +static inline void apic_clear_ibs_nmi_per_cpu(void *arg) +{ + setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1); +} + +/* + * initialize the APIC for the IBS interrupts + * if needed on AMD Family10h rev B0 and later + */ +static void setup_ibs(void) +{ + struct pci_dev *gh_device = NULL; + u32 low, high; + u8 vector; + + ibs_allowed = boot_cpu_has(X86_FEATURE_IBS); + + if (!ibs_allowed) + return; + + /* This gets the APIC_EILVT_LVTOFF_IBS value */ + vector = setup_APIC_eilvt_ibs(0, 0, 1); + + /*see if the IBS control register is already set correctly*/ + /*remove this when we know for sure it is done + in the kernel init*/ + rdmsr(MSR_AMD64_IBSCTL, low, high); + if ((low & (IBS_CTL_LVT_OFFSET_VALID_BIT | vector)) != + (IBS_CTL_LVT_OFFSET_VALID_BIT | vector)) { + + /**** Be sure to run loop until NULL is returned to + decrement reference count on any pci_dev structures + returned ****/ + while ((gh_device = pci_get_device(PCI_VENDOR_ID_AMD, + PCI_DEVICE_ID_AMD_10H_NB_MISC, gh_device)) + != NULL) { + /* This code may change if we can find a proper + * way to get at the PCI extended config space */ + pci_write_config_dword( + gh_device, IBS_LVT_OFFSET_PCI, + (vector | IBS_CTL_LVT_OFFSET_VALID_BIT)); + } + } + on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 1, 1); +} + + +/* + * unitialize the APIC for the IBS interrupts if needed on AMD Family10h + * rev B0 and later */ +static void clear_ibs_nmi(void) +{ + if (ibs_allowed) + on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1, 1); +} + +static void setup_ibs_files(struct super_block *sb, struct dentry *root) +{ + char buf[12]; + struct dentry *dir; + + if (!ibs_allowed) + return; + + /* setup some reasonable defaults */ + ibs_config.max_cnt_fetch = 250000; + ibs_config.fetch_enabled = 0; + ibs_config.max_cnt_op = 250000; + ibs_config.op_enabled = 0; + ibs_config.dispatched_ops = 1; + snprintf(buf, sizeof(buf), "ibs_fetch"); + dir = oprofilefs_mkdir(sb, root, buf); + oprofilefs_create_ulong(sb, dir, "rand_enable", + &ibs_config.rand_en); + oprofilefs_create_ulong(sb, dir, "enable", + &ibs_config.fetch_enabled); + oprofilefs_create_ulong(sb, dir, "max_count", + &ibs_config.max_cnt_fetch); + snprintf(buf, sizeof(buf), "ibs_uops"); + dir = oprofilefs_mkdir(sb, root, buf); + oprofilefs_create_ulong(sb, dir, "enable", + &ibs_config.op_enabled); + oprofilefs_create_ulong(sb, dir, "max_count", + &ibs_config.max_cnt_op); + oprofilefs_create_ulong(sb, dir, "dispatched_ops", + &ibs_config.dispatched_ops); +} + static int op_amd_init(struct oprofile_operations *ops) { return 0; -- GitLab From 7939d2bf7e30353d40d14f967b7fe2b2a7be5bd9 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:56 +0200 Subject: [PATCH 0118/6244] x86/oprofile: separating the IBS handler Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 45 ++++++++++++++++++----------- 1 file changed, 28 insertions(+), 17 deletions(-) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 229e0b4e21e3..a2c8e2e372bb 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -195,27 +195,18 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs) } } - -static int op_amd_check_ctrs(struct pt_regs * const regs, - struct op_msrs const * const msrs) +static inline int +op_amd_handle_ibs(struct pt_regs * const regs, + struct op_msrs const * const msrs) { unsigned int low, high; - int i; struct ibs_fetch_sample ibs_fetch; struct ibs_op_sample ibs_op; - for (i = 0 ; i < NUM_COUNTERS; ++i) { - if (!reset_value[i]) - continue; - CTR_READ(low, high, msrs, i); - if (CTR_OVERFLOWED(low)) { - oprofile_add_sample(regs, i); - CTR_WRITE(reset_value[i], msrs, i); - } - } + if (!ibs_allowed) + return 1; - /*If AMD and IBS is available */ - if (ibs_allowed && ibs_config.fetch_enabled) { + if (ibs_config.fetch_enabled) { rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); if (high & IBS_FETCH_VALID_BIT) { ibs_fetch.ibs_fetch_ctl_high = high; @@ -240,7 +231,7 @@ static int op_amd_check_ctrs(struct pt_regs * const regs, } } - if (ibs_allowed && ibs_config.op_enabled) { + if (ibs_config.op_enabled) { rdmsr(MSR_AMD64_IBSOPCTL, low, high); if (low & IBS_OP_VALID_BIT) { rdmsr(MSR_AMD64_IBSOPRIP, low, high); @@ -273,10 +264,30 @@ static int op_amd_check_ctrs(struct pt_regs * const regs, } } - /* See op_model_ppro.c */ return 1; } +static int op_amd_check_ctrs(struct pt_regs * const regs, + struct op_msrs const * const msrs) +{ + unsigned int low, high; + int i; + + for (i = 0 ; i < NUM_COUNTERS; ++i) { + if (!reset_value[i]) + continue; + CTR_READ(low, high, msrs, i); + if (CTR_OVERFLOWED(low)) { + oprofile_add_sample(regs, i); + CTR_WRITE(reset_value[i], msrs, i); + } + } + + op_amd_handle_ibs(regs, msrs); + + /* See op_model_ppro.c */ + return 1; +} static void op_amd_start(struct op_msrs const * const msrs) { -- GitLab From 7d77f2dcae37cf232950cd0181fb0a2cddb18130 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:57 +0200 Subject: [PATCH 0119/6244] OProfile: change IBS interrupt initialization Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 84 ++++++++++++++++++----------- 1 file changed, 54 insertions(+), 30 deletions(-) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index a2c8e2e372bb..90193b1538a0 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -356,9 +356,11 @@ static void op_amd_shutdown(struct op_msrs const * const msrs) } } +static u8 ibs_eilvt_off; + static inline void apic_init_ibs_nmi_per_cpu(void *arg) { - setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0); + ibs_eilvt_off = setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0); } static inline void apic_clear_ibs_nmi_per_cpu(void *arg) @@ -366,45 +368,67 @@ static inline void apic_clear_ibs_nmi_per_cpu(void *arg) setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1); } +static int pfm_amd64_setup_eilvt(void) +{ +#define IBSCTL_LVTOFFSETVAL (1 << 8) +#define IBSCTL 0x1cc + struct pci_dev *cpu_cfg; + int nodes; + u32 value = 0; + + /* per CPU setup */ + on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 0, 1); + + nodes = 0; + cpu_cfg = NULL; + do { + cpu_cfg = pci_get_device(PCI_VENDOR_ID_AMD, + PCI_DEVICE_ID_AMD_10H_NB_MISC, + cpu_cfg); + if (!cpu_cfg) + break; + ++nodes; + pci_write_config_dword(cpu_cfg, IBSCTL, ibs_eilvt_off + | IBSCTL_LVTOFFSETVAL); + pci_read_config_dword(cpu_cfg, IBSCTL, &value); + if (value != (ibs_eilvt_off | IBSCTL_LVTOFFSETVAL)) { + printk(KERN_DEBUG "Failed to setup IBS LVT offset, " + "IBSCTL = 0x%08x", value); + return 1; + } + } while (1); + + if (!nodes) { + printk(KERN_DEBUG "No CPU node configured for IBS"); + return 1; + } + +#ifdef CONFIG_NUMA + /* Sanity check */ + /* Works only for 64bit with proper numa implementation. */ + if (nodes != num_possible_nodes()) { + printk(KERN_DEBUG "Failed to setup CPU node(s) for IBS, " + "found: %d, expected %d", + nodes, num_possible_nodes()); + return 1; + } +#endif + return 0; +} + /* * initialize the APIC for the IBS interrupts - * if needed on AMD Family10h rev B0 and later + * if available (AMD Family10h rev B0 and later) */ static void setup_ibs(void) { - struct pci_dev *gh_device = NULL; - u32 low, high; - u8 vector; - ibs_allowed = boot_cpu_has(X86_FEATURE_IBS); if (!ibs_allowed) return; - /* This gets the APIC_EILVT_LVTOFF_IBS value */ - vector = setup_APIC_eilvt_ibs(0, 0, 1); - - /*see if the IBS control register is already set correctly*/ - /*remove this when we know for sure it is done - in the kernel init*/ - rdmsr(MSR_AMD64_IBSCTL, low, high); - if ((low & (IBS_CTL_LVT_OFFSET_VALID_BIT | vector)) != - (IBS_CTL_LVT_OFFSET_VALID_BIT | vector)) { - - /**** Be sure to run loop until NULL is returned to - decrement reference count on any pci_dev structures - returned ****/ - while ((gh_device = pci_get_device(PCI_VENDOR_ID_AMD, - PCI_DEVICE_ID_AMD_10H_NB_MISC, gh_device)) - != NULL) { - /* This code may change if we can find a proper - * way to get at the PCI extended config space */ - pci_write_config_dword( - gh_device, IBS_LVT_OFFSET_PCI, - (vector | IBS_CTL_LVT_OFFSET_VALID_BIT)); - } - } - on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 1, 1); + if (pfm_amd64_setup_eilvt()) + ibs_allowed = 0; } -- GitLab From 90645700ef8393cd9cdc02d83da36726fc88f49e Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:58 +0200 Subject: [PATCH 0120/6244] OProfile: Fix build error in op_model_athlon.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 90193b1538a0..284c45661ed7 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -73,6 +73,11 @@ /* MSR to set the IBS control register APIC LVT offset */ #define IBS_LVT_OFFSET_PCI 0x1CC +/* The function interface needs to be fixed, something like add + data. Should then be added to linux/oprofile.h. */ +extern void oprofile_add_ibs_sample(struct pt_regs *const regs, + unsigned int * const ibs_sample, u8 code); + struct ibs_fetch_sample { /* MSRC001_1031 IBS Fetch Linear Address Register */ unsigned int ibs_fetch_lin_addr_low; -- GitLab From ebb535de267386f659e0348185b1e361dbba3b59 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:08:59 +0200 Subject: [PATCH 0121/6244] OProfile: on_each_cpu(): kill unused retry parameter Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 284c45661ed7..ce732362dbb0 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -382,7 +382,7 @@ static int pfm_amd64_setup_eilvt(void) u32 value = 0; /* per CPU setup */ - on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 0, 1); + on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 1); nodes = 0; cpu_cfg = NULL; @@ -443,7 +443,7 @@ static void setup_ibs(void) static void clear_ibs_nmi(void) { if (ibs_allowed) - on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1, 1); + on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1); } static void setup_ibs_files(struct super_block *sb, struct dentry *root) -- GitLab From fc2bd7345b4e006a34c2ea3711d8c6b83cba50f7 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:00 +0200 Subject: [PATCH 0122/6244] OProfile: fix setup_ibs_files() function interface Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index ce732362dbb0..2650b12a0c56 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -446,13 +446,13 @@ static void clear_ibs_nmi(void) on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1); } -static void setup_ibs_files(struct super_block *sb, struct dentry *root) +static int setup_ibs_files(struct super_block * sb, struct dentry * root) { char buf[12]; struct dentry *dir; if (!ibs_allowed) - return; + return 0; /* setup some reasonable defaults */ ibs_config.max_cnt_fetch = 250000; @@ -476,6 +476,8 @@ static void setup_ibs_files(struct super_block *sb, struct dentry *root) &ibs_config.max_cnt_op); oprofilefs_create_ulong(sb, dir, "dispatched_ops", &ibs_config.dispatched_ops); + + return 0; } static int op_amd_init(struct oprofile_operations *ops) -- GitLab From 270d3e1a10e6ef85d5a085377e01d91dbcbe3726 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:01 +0200 Subject: [PATCH 0123/6244] OProfile: enable IBS for AMD CPUs Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/nmi_int.c | 14 ++++++++------ arch/x86/oprofile/op_model_athlon.c | 18 +++++++++++++++++- 2 files changed, 25 insertions(+), 7 deletions(-) diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index b29819313f2b..287513a09819 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -468,6 +468,14 @@ int __init op_nmi_init(struct oprofile_operations *ops) return -ENODEV; } + /* default values, can be overwritten by model */ + ops->create_files = nmi_create_files; + ops->setup = nmi_setup; + ops->shutdown = nmi_shutdown; + ops->start = nmi_start; + ops->stop = nmi_stop; + ops->cpu_type = cpu_type; + if (model->init) ret = model->init(ops); if (ret) @@ -475,12 +483,6 @@ int __init op_nmi_init(struct oprofile_operations *ops) init_sysfs(); using_nmi = 1; - ops->create_files = nmi_create_files; - ops->setup = nmi_setup; - ops->shutdown = nmi_shutdown; - ops->start = nmi_start; - ops->stop = nmi_stop; - ops->cpu_type = cpu_type; printk(KERN_INFO "oprofile: using NMI interrupt.\n"); return 0; } diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 2650b12a0c56..0d8390319797 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -446,13 +446,25 @@ static void clear_ibs_nmi(void) on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1); } +static int (*create_arch_files)(struct super_block * sb, struct dentry * root); + static int setup_ibs_files(struct super_block * sb, struct dentry * root) { char buf[12]; struct dentry *dir; + int ret = 0; + + /* architecture specific files */ + if (create_arch_files) + ret = create_arch_files(sb, root); + + if (ret) + return ret; if (!ibs_allowed) - return 0; + return ret; + + /* model specific files */ /* setup some reasonable defaults */ ibs_config.max_cnt_fetch = 250000; @@ -482,11 +494,15 @@ static int setup_ibs_files(struct super_block * sb, struct dentry * root) static int op_amd_init(struct oprofile_operations *ops) { + setup_ibs(); + create_arch_files = ops->create_files; + ops->create_files = setup_ibs_files; return 0; } static void op_amd_exit(void) { + clear_ibs_nmi(); } struct op_x86_model_spec const op_amd_spec = { -- GitLab From a4c408a41167949f820e2740e56a8f2f7bb6177c Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:02 +0200 Subject: [PATCH 0124/6244] OProfile: fix IBS build error for UP Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 0d8390319797..1acb067bd343 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -361,6 +361,26 @@ static void op_amd_shutdown(struct op_msrs const * const msrs) } } +#ifndef CONFIG_SMP + +/* no IBS support */ + +static void setup_ibs(void) +{ + ibs_allowed = 0; +} + +static void clear_ibs_nmi(void) {} + +static int op_amd_init(struct oprofile_operations *ops) +{ + return 0; +} + +static void op_amd_exit(void) {} + +#else + static u8 ibs_eilvt_off; static inline void apic_init_ibs_nmi_per_cpu(void *arg) @@ -505,6 +525,8 @@ static void op_amd_exit(void) clear_ibs_nmi(); } +#endif + struct op_x86_model_spec const op_amd_spec = { .init = op_amd_init, .exit = op_amd_exit, -- GitLab From 87f0baccc2e4f194c931186d3c8499314494a484 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:03 +0200 Subject: [PATCH 0125/6244] x86/oprofile: macro definition cleanup in op_model_athlon.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 46 +++++++++++------------------ 1 file changed, 17 insertions(+), 29 deletions(-) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 1acb067bd343..a3a2058c372c 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -47,32 +47,20 @@ #define CTRL_SET_HOST_ONLY(val, h) (val |= ((h & 1) << 9)) #define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8)) -#define IBS_FETCH_CTL_HIGH_MASK 0xFFFFFFFF -/* high dword bit IbsFetchCtl[bit 49] */ -#define IBS_FETCH_VALID_BIT (1UL << 17) -/* high dword bit IbsFetchCtl[bit 52] */ -#define IBS_FETCH_PHY_ADDR_VALID_BIT (1UL << 20) -/* high dword bit IbsFetchCtl[bit 48] */ -#define IBS_FETCH_ENABLE (1UL << 16) +/* IbsFetchCtl bits/masks */ +#define IBS_FETCH_HIGH_VALID_BIT (1UL << 17) /* bit 49 */ +#define IBS_FETCH_HIGH_ENABLE (1UL << 16) /* bit 48 */ +#define IBS_FETCH_LOW_MAX_CNT_MASK 0x0000FFFFUL /* MaxCnt mask */ -#define IBS_FETCH_CTL_CNT_MASK 0x00000000FFFF0000UL -#define IBS_FETCH_CTL_MAX_CNT_MASK 0x000000000000FFFFUL - -/*IbsOpCtl masks/bits */ -#define IBS_OP_VALID_BIT (1ULL<<18) /* IbsOpCtl[bit18] */ -#define IBS_OP_ENABLE (1ULL<<17) /* IBS_OP_ENABLE[bit17]*/ +/*IbsOpCtl bits */ +#define IBS_OP_LOW_VALID_BIT (1ULL<<18) /* bit 18 */ +#define IBS_OP_LOW_ENABLE (1ULL<<17) /* bit 17 */ /* Codes used in cpu_buffer.c */ +/* This produces duplicate code, need to be fixed */ #define IBS_FETCH_BEGIN 3 #define IBS_OP_BEGIN 4 -/*IbsOpData3 masks */ -#define IBS_CTL_LVT_OFFSET_VALID_BIT (1ULL<<8) - -/*PCI Extended Configuration Constants */ -/* MSR to set the IBS control register APIC LVT offset */ -#define IBS_LVT_OFFSET_PCI 0x1CC - /* The function interface needs to be fixed, something like add data. Should then be added to linux/oprofile.h. */ extern void oprofile_add_ibs_sample(struct pt_regs *const regs, @@ -213,7 +201,7 @@ op_amd_handle_ibs(struct pt_regs * const regs, if (ibs_config.fetch_enabled) { rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); - if (high & IBS_FETCH_VALID_BIT) { + if (high & IBS_FETCH_HIGH_VALID_BIT) { ibs_fetch.ibs_fetch_ctl_high = high; ibs_fetch.ibs_fetch_ctl_low = low; rdmsr(MSR_AMD64_IBSFETCHLINAD, low, high); @@ -229,16 +217,16 @@ op_amd_handle_ibs(struct pt_regs * const regs, /*reenable the IRQ */ rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); - high &= ~(IBS_FETCH_VALID_BIT); - high |= IBS_FETCH_ENABLE; - low &= IBS_FETCH_CTL_MAX_CNT_MASK; + high &= ~IBS_FETCH_HIGH_VALID_BIT; + high |= IBS_FETCH_HIGH_ENABLE; + low &= IBS_FETCH_LOW_MAX_CNT_MASK; wrmsr(MSR_AMD64_IBSFETCHCTL, low, high); } } if (ibs_config.op_enabled) { rdmsr(MSR_AMD64_IBSOPCTL, low, high); - if (low & IBS_OP_VALID_BIT) { + if (low & IBS_OP_LOW_VALID_BIT) { rdmsr(MSR_AMD64_IBSOPRIP, low, high); ibs_op.ibs_op_rip_low = low; ibs_op.ibs_op_rip_high = high; @@ -263,8 +251,8 @@ op_amd_handle_ibs(struct pt_regs * const regs, (unsigned int *)&ibs_op, IBS_OP_BEGIN); rdmsr(MSR_AMD64_IBSOPCTL, low, high); - low &= ~(IBS_OP_VALID_BIT); - low |= IBS_OP_ENABLE; + low &= ~IBS_OP_LOW_VALID_BIT; + low |= IBS_OP_LOW_ENABLE; wrmsr(MSR_AMD64_IBSOPCTL, low, high); } } @@ -307,12 +295,12 @@ static void op_amd_start(struct op_msrs const * const msrs) } if (ibs_allowed && ibs_config.fetch_enabled) { low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF; - high = IBS_FETCH_ENABLE; + high = IBS_FETCH_HIGH_ENABLE; wrmsr(MSR_AMD64_IBSFETCHCTL, low, high); } if (ibs_allowed && ibs_config.op_enabled) { - low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF) + IBS_OP_ENABLE; + low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF) + IBS_OP_LOW_ENABLE; high = 0; wrmsr(MSR_AMD64_IBSOPCTL, low, high); } -- GitLab From 543a157bbdfae8eb997506031c3b2d4d17957098 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:04 +0200 Subject: [PATCH 0126/6244] x86/oprofile: op_model_athlon.c: fix counter reset when reenabling IBS OP Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_athlon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index a3a2058c372c..9c8c8c583132 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -251,6 +251,7 @@ op_amd_handle_ibs(struct pt_regs * const regs, (unsigned int *)&ibs_op, IBS_OP_BEGIN); rdmsr(MSR_AMD64_IBSOPCTL, low, high); + high = 0; low &= ~IBS_OP_LOW_VALID_BIT; low |= IBS_OP_LOW_ENABLE; wrmsr(MSR_AMD64_IBSOPCTL, low, high); -- GitLab From 09691616850b3614dfb44790e1e1419b6a7f5d13 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:05 +0200 Subject: [PATCH 0127/6244] x86: apic: export symbols for extended interrupt LVT functions This patch adds EXPORT_SYMBOLs to allow OProfile to be built as module. Cc: Arjan van de Ven Signed-off-by: Robert Richter Cc: oprofile-list Cc: Arjan van de Ven Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 1 + arch/x86/kernel/apic_64.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index fad94b0decc1..ed3a6d7e9de7 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -672,6 +672,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); return APIC_EILVT_LVTOFF_IBS; } +EXPORT_SYMBOL(setup_APIC_eilvt_ibs); /* * Local APIC start and shutdown diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 42bf69f8bc8e..45ec90e37b93 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -232,6 +232,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); return APIC_EILVT_LVTOFF_IBS; } +EXPORT_SYMBOL(setup_APIC_eilvt_ibs); /* * Program the next event, relative to now -- GitLab From 6aa360e6c16c145edf1837690e0f7aaea6b86ef3 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Wed, 23 Jul 2008 15:28:14 +0200 Subject: [PATCH 0128/6244] x86: apic: changing export symbols to *_GPL This fits better here. Signed-off-by: Robert Richter Cc: Arjan van de Ven Cc: Barry Kasindorf Cc: oprofile-list Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 2 +- arch/x86/kernel/apic_64.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index ed3a6d7e9de7..0059e7a8a9e6 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -672,7 +672,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); return APIC_EILVT_LVTOFF_IBS; } -EXPORT_SYMBOL(setup_APIC_eilvt_ibs); +EXPORT_SYMBOL_GPL(setup_APIC_eilvt_ibs); /* * Local APIC start and shutdown diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 45ec90e37b93..e571351f2a93 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -232,7 +232,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); return APIC_EILVT_LVTOFF_IBS; } -EXPORT_SYMBOL(setup_APIC_eilvt_ibs); +EXPORT_SYMBOL_GPL(setup_APIC_eilvt_ibs); /* * Program the next event, relative to now -- GitLab From 852402cc27bfa1200164e9e8dc7f6e5f0a4fbd46 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:06 +0200 Subject: [PATCH 0129/6244] x86/oprofile: add CONFIG_OPROFILE_IBS option Signed-off-by: Robert Richter Cc: oprofile-list Cc: Robert Richter Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/Kconfig | 14 ++++++++++++ arch/x86/oprofile/op_model_athlon.c | 33 ++++++++++++++++++++--------- drivers/oprofile/buffer_sync.c | 6 ++++++ drivers/oprofile/cpu_buffer.c | 4 ++++ 4 files changed, 47 insertions(+), 10 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index b0fabfa864ff..2651af48b2e5 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -13,6 +13,20 @@ config OPROFILE If unsure, say N. +config OPROFILE_IBS + bool "OProfile AMD IBS support (EXPERIMENTAL)" + default n + depends on OPROFILE && SMP && X86 + help + Instruction-Based Sampling (IBS) is a new profiling + technique that provides rich, precise program performance + information. IBS is introduced by AMD Family10h processors + (AMD Opteron Quad-Core processor “Barcelonaâ€) to overcome + the limitations of conventional performance counter + sampling. + + If unsure, say N. + config HAVE_OPROFILE def_bool n diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 9c8c8c583132..fb6015c1132b 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -47,6 +47,10 @@ #define CTRL_SET_HOST_ONLY(val, h) (val |= ((h & 1) << 9)) #define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8)) +static unsigned long reset_value[NUM_COUNTERS]; + +#ifdef CONFIG_OPROFILE_IBS + /* IbsFetchCtl bits/masks */ #define IBS_FETCH_HIGH_VALID_BIT (1UL << 17) /* bit 49 */ #define IBS_FETCH_HIGH_ENABLE (1UL << 16) /* bit 48 */ @@ -104,7 +108,6 @@ struct ibs_op_sample { */ static void clear_ibs_nmi(void); -static unsigned long reset_value[NUM_COUNTERS]; static int ibs_allowed; /* AMD Family10h and later */ struct op_ibs_config { @@ -118,6 +121,8 @@ struct op_ibs_config { static struct op_ibs_config ibs_config; +#endif + /* functions for op_amd_spec */ static void op_amd_fill_in_addresses(struct op_msrs * const msrs) @@ -188,6 +193,8 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs) } } +#ifdef CONFIG_OPROFILE_IBS + static inline int op_amd_handle_ibs(struct pt_regs * const regs, struct op_msrs const * const msrs) @@ -261,6 +268,8 @@ op_amd_handle_ibs(struct pt_regs * const regs, return 1; } +#endif + static int op_amd_check_ctrs(struct pt_regs * const regs, struct op_msrs const * const msrs) { @@ -277,7 +286,9 @@ static int op_amd_check_ctrs(struct pt_regs * const regs, } } +#ifdef CONFIG_OPROFILE_IBS op_amd_handle_ibs(regs, msrs); +#endif /* See op_model_ppro.c */ return 1; @@ -294,6 +305,8 @@ static void op_amd_start(struct op_msrs const * const msrs) CTRL_WRITE(low, high, msrs, i); } } + +#ifdef CONFIG_OPROFILE_IBS if (ibs_allowed && ibs_config.fetch_enabled) { low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF; high = IBS_FETCH_HIGH_ENABLE; @@ -305,6 +318,7 @@ static void op_amd_start(struct op_msrs const * const msrs) high = 0; wrmsr(MSR_AMD64_IBSOPCTL, low, high); } +#endif } @@ -323,6 +337,7 @@ static void op_amd_stop(struct op_msrs const * const msrs) CTRL_WRITE(low, high, msrs, i); } +#ifdef CONFIG_OPROFILE_IBS if (ibs_allowed && ibs_config.fetch_enabled) { low = 0; /* clear max count and enable */ high = 0; @@ -334,6 +349,7 @@ static void op_amd_stop(struct op_msrs const * const msrs) high = 0; wrmsr(MSR_AMD64_IBSOPCTL, low, high); } +#endif } static void op_amd_shutdown(struct op_msrs const * const msrs) @@ -350,17 +366,10 @@ static void op_amd_shutdown(struct op_msrs const * const msrs) } } -#ifndef CONFIG_SMP +#ifndef CONFIG_OPROFILE_IBS /* no IBS support */ -static void setup_ibs(void) -{ - ibs_allowed = 0; -} - -static void clear_ibs_nmi(void) {} - static int op_amd_init(struct oprofile_operations *ops) { return 0; @@ -441,8 +450,12 @@ static void setup_ibs(void) if (!ibs_allowed) return; - if (pfm_amd64_setup_eilvt()) + if (pfm_amd64_setup_eilvt()) { ibs_allowed = 0; + return; + } + + printk(KERN_INFO "oprofile: AMD IBS detected\n"); } diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index e1782d2df09f..ed982273fb8b 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -328,6 +328,8 @@ static void add_trace_begin(void) add_event_entry(TRACE_BEGIN_CODE); } +#ifdef CONFIG_OPROFILE_IBS + #define IBS_FETCH_CODE_SIZE 2 #define IBS_OP_CODE_SIZE 5 #define IBS_EIP(offset) \ @@ -390,6 +392,8 @@ static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code, } } +#endif + static void add_sample_entry(unsigned long offset, unsigned long event) { add_event_entry(offset); @@ -586,6 +590,7 @@ void sync_buffer(int cpu) } else if (s->event == CPU_TRACE_BEGIN) { state = sb_bt_start; add_trace_begin(); +#ifdef CONFIG_OPROFILE_IBS } else if (s->event == IBS_FETCH_BEGIN) { state = sb_bt_start; add_ibs_begin(cpu_buf, @@ -594,6 +599,7 @@ void sync_buffer(int cpu) state = sb_bt_start; add_ibs_begin(cpu_buf, IBS_OP_CODE, in_kernel, mm); +#endif } else { struct mm_struct *oldmm = mm; diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index c9ac4e156918..aba905b3afb8 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -253,6 +253,8 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) oprofile_add_ext_sample(pc, regs, event, is_kernel); } +#ifdef CONFIG_OPROFILE_IBS + #define MAX_IBS_SAMPLE_SIZE 14 static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf, unsigned long pc, int is_kernel, unsigned int *ibs, int ibs_code) @@ -318,6 +320,8 @@ void oprofile_add_ibs_sample(struct pt_regs *const regs, oprofile_ops.backtrace(regs, backtrace_depth); } +#endif + void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) { struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer); -- GitLab From bd17b625c09d1ed14c4d98604186b0bbb314f6b2 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:07 +0200 Subject: [PATCH 0130/6244] oprofile: fix printk in cpu_buffer.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Robert Richter Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- drivers/oprofile/cpu_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index aba905b3afb8..4decab624e76 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -364,7 +364,7 @@ static void wq_sync_buffer(struct work_struct *work) struct oprofile_cpu_buffer * b = container_of(work, struct oprofile_cpu_buffer, work.work); if (b->cpu != smp_processor_id()) { - printk("WQ on CPU%d, prefer CPU%d\n", + printk(KERN_DEBUG "WQ on CPU%d, prefer CPU%d\n", smp_processor_id(), b->cpu); } sync_buffer(b->cpu); -- GitLab From 6852fd9b86d05063c6ef49d2e12e061cc7f6a105 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Tue, 22 Jul 2008 21:09:08 +0200 Subject: [PATCH 0131/6244] x86/oprofile: reanaming op_model_athlon.c to op_model_amd.c Signed-off-by: Robert Richter Cc: oprofile-list Cc: Barry Kasindorf Signed-off-by: Ingo Molnar --- arch/x86/oprofile/Makefile | 2 +- arch/x86/oprofile/{op_model_athlon.c => op_model_amd.c} | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) rename arch/x86/oprofile/{op_model_athlon.c => op_model_amd.c} (99%) diff --git a/arch/x86/oprofile/Makefile b/arch/x86/oprofile/Makefile index 30f3eb366667..446902b2a6b6 100644 --- a/arch/x86/oprofile/Makefile +++ b/arch/x86/oprofile/Makefile @@ -7,6 +7,6 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ timer_int.o ) oprofile-y := $(DRIVER_OBJS) init.o backtrace.o -oprofile-$(CONFIG_X86_LOCAL_APIC) += nmi_int.o op_model_athlon.o \ +oprofile-$(CONFIG_X86_LOCAL_APIC) += nmi_int.o op_model_amd.o \ op_model_ppro.o op_model_p4.o oprofile-$(CONFIG_X86_IO_APIC) += nmi_timer_int.o diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_amd.c similarity index 99% rename from arch/x86/oprofile/op_model_athlon.c rename to arch/x86/oprofile/op_model_amd.c index fb6015c1132b..d9faf607b3a6 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -1,5 +1,5 @@ /* - * @file op_model_athlon.c + * @file op_model_amd.c * athlon / K7 / K8 / Family 10h model-specific MSR operations * * @remark Copyright 2002-2008 OProfile authors -- GitLab From 1ddb5518052e4e28ab489237443f7443b3fd69ca Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 25 Jul 2008 16:48:55 +0200 Subject: [PATCH 0132/6244] x86: convert pci-dma.c from round_up to roundup Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/pci-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index cbecb05551bb..88ddd04cfa98 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -82,7 +82,7 @@ void __init dma32_reserve_bootmem(void) * using 512M as goal */ align = 64ULL<<20; - size = round_up(dma32_bootmem_size, align); + size = roundup(dma32_bootmem_size, align); dma32_bootmem_ptr = __alloc_bootmem_nopanic(size, align, 512ULL<<20); if (dma32_bootmem_ptr) -- GitLab From 15ae2d76ceb037a1e3fcd8fc9b4fe3177f9f3831 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 25 Jul 2008 16:48:56 +0200 Subject: [PATCH 0133/6244] x86: convert pageattr.c from round_up to roundup Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 65c6e46bf059..0d254adcc82d 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -78,7 +78,7 @@ static inline unsigned long highmap_start_pfn(void) static inline unsigned long highmap_end_pfn(void) { - return __pa(round_up((unsigned long)_end, PMD_SIZE)) >> PAGE_SHIFT; + return __pa(roundup((unsigned long)_end, PMD_SIZE)) >> PAGE_SHIFT; } #endif -- GitLab From d86bb0dac792c6a9c92944b6db2687980c808094 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 25 Jul 2008 16:48:57 +0200 Subject: [PATCH 0134/6244] x86: convert init_64.c from round_up to roundup Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index ec37121f6709..e4805771b5be 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -258,7 +258,7 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size) void __init cleanup_highmap(void) { unsigned long vaddr = __START_KERNEL_map; - unsigned long end = round_up((unsigned long)_end, PMD_SIZE) - 1; + unsigned long end = roundup((unsigned long)_end, PMD_SIZE) - 1; pmd_t *pmd = level2_kernel_pgt; pmd_t *last_pmd = pmd + PTRS_PER_PMD; @@ -474,14 +474,14 @@ static void __init find_early_table_space(unsigned long end) unsigned long puds, pmds, ptes, tables, start; puds = (end + PUD_SIZE - 1) >> PUD_SHIFT; - tables = round_up(puds * sizeof(pud_t), PAGE_SIZE); + tables = roundup(puds * sizeof(pud_t), PAGE_SIZE); if (direct_gbpages) { unsigned long extra; extra = end - ((end>>PUD_SHIFT) << PUD_SHIFT); pmds = (extra + PMD_SIZE - 1) >> PMD_SHIFT; } else pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT; - tables += round_up(pmds * sizeof(pmd_t), PAGE_SIZE); + tables += roundup(pmds * sizeof(pmd_t), PAGE_SIZE); if (cpu_has_pse) { unsigned long extra; @@ -489,7 +489,7 @@ static void __init find_early_table_space(unsigned long end) ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT; } else ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT; - tables += round_up(ptes * sizeof(pte_t), PAGE_SIZE); + tables += roundup(ptes * sizeof(pte_t), PAGE_SIZE); /* * RED-PEN putting page tables only on node 0 could -- GitLab From be3e89ee6df8607356f705901dd90bcf3836c86e Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 25 Jul 2008 16:48:58 +0200 Subject: [PATCH 0135/6244] x86: convert numa_64.c from round_up to roundup Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/mm/numa_64.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index a4dd793d6003..cebcbf152d46 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -79,7 +79,7 @@ static int __init allocate_cachealigned_memnodemap(void) return 0; addr = 0x8000; - nodemap_size = round_up(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES); + nodemap_size = roundup(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES); nodemap_addr = find_e820_area(addr, max_pfn< Date: Fri, 25 Jul 2008 16:48:59 +0200 Subject: [PATCH 0136/6244] x86: convert discontig_32.c from round_up to roundup Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/mm/discontig_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c index 62fa440678d8..847c164725f4 100644 --- a/arch/x86/mm/discontig_32.c +++ b/arch/x86/mm/discontig_32.c @@ -328,7 +328,7 @@ void __init initmem_init(unsigned long start_pfn, get_memcfg_numa(); - kva_pages = round_up(calculate_numa_remap_pages(), PTRS_PER_PTE); + kva_pages = roundup(calculate_numa_remap_pages(), PTRS_PER_PTE); kva_target_pfn = round_down(max_low_pfn - kva_pages, PTRS_PER_PTE); do { -- GitLab From 0af36739af81f152cc24a0fdfa0754ef657afe3d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 24 Jul 2008 17:27:57 -0700 Subject: [PATCH 0137/6244] usb: move ehci reg def prepare x86: usb debug port early console move ehci struct def to linux/usrb/ehci_def.h from host/ehci.h Signed-off-by: Yinghai Lu Acked-by: David Brownell Cc: Andrew Morton Cc: Andi Kleen Cc: "Arjan van de Ven" Cc: "Eric W. Biederman" Cc: "Greg KH" Signed-off-by: Ingo Molnar --- drivers/usb/host/ehci.h | 138 +----------------------------- include/linux/usb/ehci_def.h | 160 +++++++++++++++++++++++++++++++++++ 2 files changed, 161 insertions(+), 137 deletions(-) create mode 100644 include/linux/usb/ehci_def.h diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 5799298364fb..b697a13364ec 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -210,143 +210,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action) /*-------------------------------------------------------------------------*/ -/* EHCI register interface, corresponds to EHCI Revision 0.95 specification */ - -/* Section 2.2 Host Controller Capability Registers */ -struct ehci_caps { - /* these fields are specified as 8 and 16 bit registers, - * but some hosts can't perform 8 or 16 bit PCI accesses. - */ - u32 hc_capbase; -#define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */ -#define HC_VERSION(p) (((p)>>16)&0xffff) /* bits 31:16 */ - u32 hcs_params; /* HCSPARAMS - offset 0x4 */ -#define HCS_DEBUG_PORT(p) (((p)>>20)&0xf) /* bits 23:20, debug port? */ -#define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */ -#define HCS_N_CC(p) (((p)>>12)&0xf) /* bits 15:12, #companion HCs */ -#define HCS_N_PCC(p) (((p)>>8)&0xf) /* bits 11:8, ports per CC */ -#define HCS_PORTROUTED(p) ((p)&(1 << 7)) /* true: port routing */ -#define HCS_PPC(p) ((p)&(1 << 4)) /* true: port power control */ -#define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */ - - u32 hcc_params; /* HCCPARAMS - offset 0x8 */ -#define HCC_EXT_CAPS(p) (((p)>>8)&0xff) /* for pci extended caps */ -#define HCC_ISOC_CACHE(p) ((p)&(1 << 7)) /* true: can cache isoc frame */ -#define HCC_ISOC_THRES(p) (((p)>>4)&0x7) /* bits 6:4, uframes cached */ -#define HCC_CANPARK(p) ((p)&(1 << 2)) /* true: can park on async qh */ -#define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1)) /* true: periodic_size changes*/ -#define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */ - u8 portroute [8]; /* nibbles for routing - offset 0xC */ -} __attribute__ ((packed)); - - -/* Section 2.3 Host Controller Operational Registers */ -struct ehci_regs { - - /* USBCMD: offset 0x00 */ - u32 command; -/* 23:16 is r/w intr rate, in microframes; default "8" == 1/msec */ -#define CMD_PARK (1<<11) /* enable "park" on async qh */ -#define CMD_PARK_CNT(c) (((c)>>8)&3) /* how many transfers to park for */ -#define CMD_LRESET (1<<7) /* partial reset (no ports, etc) */ -#define CMD_IAAD (1<<6) /* "doorbell" interrupt async advance */ -#define CMD_ASE (1<<5) /* async schedule enable */ -#define CMD_PSE (1<<4) /* periodic schedule enable */ -/* 3:2 is periodic frame list size */ -#define CMD_RESET (1<<1) /* reset HC not bus */ -#define CMD_RUN (1<<0) /* start/stop HC */ - - /* USBSTS: offset 0x04 */ - u32 status; -#define STS_ASS (1<<15) /* Async Schedule Status */ -#define STS_PSS (1<<14) /* Periodic Schedule Status */ -#define STS_RECL (1<<13) /* Reclamation */ -#define STS_HALT (1<<12) /* Not running (any reason) */ -/* some bits reserved */ - /* these STS_* flags are also intr_enable bits (USBINTR) */ -#define STS_IAA (1<<5) /* Interrupted on async advance */ -#define STS_FATAL (1<<4) /* such as some PCI access errors */ -#define STS_FLR (1<<3) /* frame list rolled over */ -#define STS_PCD (1<<2) /* port change detect */ -#define STS_ERR (1<<1) /* "error" completion (overflow, ...) */ -#define STS_INT (1<<0) /* "normal" completion (short, ...) */ - - /* USBINTR: offset 0x08 */ - u32 intr_enable; - - /* FRINDEX: offset 0x0C */ - u32 frame_index; /* current microframe number */ - /* CTRLDSSEGMENT: offset 0x10 */ - u32 segment; /* address bits 63:32 if needed */ - /* PERIODICLISTBASE: offset 0x14 */ - u32 frame_list; /* points to periodic list */ - /* ASYNCLISTADDR: offset 0x18 */ - u32 async_next; /* address of next async queue head */ - - u32 reserved [9]; - - /* CONFIGFLAG: offset 0x40 */ - u32 configured_flag; -#define FLAG_CF (1<<0) /* true: we'll support "high speed" */ - - /* PORTSC: offset 0x44 */ - u32 port_status [0]; /* up to N_PORTS */ -/* 31:23 reserved */ -#define PORT_WKOC_E (1<<22) /* wake on overcurrent (enable) */ -#define PORT_WKDISC_E (1<<21) /* wake on disconnect (enable) */ -#define PORT_WKCONN_E (1<<20) /* wake on connect (enable) */ -/* 19:16 for port testing */ -#define PORT_LED_OFF (0<<14) -#define PORT_LED_AMBER (1<<14) -#define PORT_LED_GREEN (2<<14) -#define PORT_LED_MASK (3<<14) -#define PORT_OWNER (1<<13) /* true: companion hc owns this port */ -#define PORT_POWER (1<<12) /* true: has power (see PPC) */ -#define PORT_USB11(x) (((x)&(3<<10))==(1<<10)) /* USB 1.1 device */ -/* 11:10 for detecting lowspeed devices (reset vs release ownership) */ -/* 9 reserved */ -#define PORT_RESET (1<<8) /* reset port */ -#define PORT_SUSPEND (1<<7) /* suspend port */ -#define PORT_RESUME (1<<6) /* resume it */ -#define PORT_OCC (1<<5) /* over current change */ -#define PORT_OC (1<<4) /* over current active */ -#define PORT_PEC (1<<3) /* port enable change */ -#define PORT_PE (1<<2) /* port enable */ -#define PORT_CSC (1<<1) /* connect status change */ -#define PORT_CONNECT (1<<0) /* device connected */ -#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) -} __attribute__ ((packed)); - -#define USBMODE 0x68 /* USB Device mode */ -#define USBMODE_SDIS (1<<3) /* Stream disable */ -#define USBMODE_BE (1<<2) /* BE/LE endianness select */ -#define USBMODE_CM_HC (3<<0) /* host controller mode */ -#define USBMODE_CM_IDLE (0<<0) /* idle state */ - -/* Appendix C, Debug port ... intended for use with special "debug devices" - * that can help if there's no serial console. (nonstandard enumeration.) - */ -struct ehci_dbg_port { - u32 control; -#define DBGP_OWNER (1<<30) -#define DBGP_ENABLED (1<<28) -#define DBGP_DONE (1<<16) -#define DBGP_INUSE (1<<10) -#define DBGP_ERRCODE(x) (((x)>>7)&0x07) -# define DBGP_ERR_BAD 1 -# define DBGP_ERR_SIGNAL 2 -#define DBGP_ERROR (1<<6) -#define DBGP_GO (1<<5) -#define DBGP_OUT (1<<4) -#define DBGP_LEN(x) (((x)>>0)&0x0f) - u32 pids; -#define DBGP_PID_GET(x) (((x)>>16)&0xff) -#define DBGP_PID_SET(data,tok) (((data)<<8)|(tok)) - u32 data03; - u32 data47; - u32 address; -#define DBGP_EPADDR(dev,ep) (((dev)<<8)|(ep)) -} __attribute__ ((packed)); +#include /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h new file mode 100644 index 000000000000..5b88e36c9103 --- /dev/null +++ b/include/linux/usb/ehci_def.h @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2001-2002 by David Brownell + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_USB_EHCI_DEF_H +#define __LINUX_USB_EHCI_DEF_H + +/* EHCI register interface, corresponds to EHCI Revision 0.95 specification */ + +/* Section 2.2 Host Controller Capability Registers */ +struct ehci_caps { + /* these fields are specified as 8 and 16 bit registers, + * but some hosts can't perform 8 or 16 bit PCI accesses. + */ + u32 hc_capbase; +#define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */ +#define HC_VERSION(p) (((p)>>16)&0xffff) /* bits 31:16 */ + u32 hcs_params; /* HCSPARAMS - offset 0x4 */ +#define HCS_DEBUG_PORT(p) (((p)>>20)&0xf) /* bits 23:20, debug port? */ +#define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */ +#define HCS_N_CC(p) (((p)>>12)&0xf) /* bits 15:12, #companion HCs */ +#define HCS_N_PCC(p) (((p)>>8)&0xf) /* bits 11:8, ports per CC */ +#define HCS_PORTROUTED(p) ((p)&(1 << 7)) /* true: port routing */ +#define HCS_PPC(p) ((p)&(1 << 4)) /* true: port power control */ +#define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */ + + u32 hcc_params; /* HCCPARAMS - offset 0x8 */ +#define HCC_EXT_CAPS(p) (((p)>>8)&0xff) /* for pci extended caps */ +#define HCC_ISOC_CACHE(p) ((p)&(1 << 7)) /* true: can cache isoc frame */ +#define HCC_ISOC_THRES(p) (((p)>>4)&0x7) /* bits 6:4, uframes cached */ +#define HCC_CANPARK(p) ((p)&(1 << 2)) /* true: can park on async qh */ +#define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1)) /* true: periodic_size changes*/ +#define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */ + u8 portroute [8]; /* nibbles for routing - offset 0xC */ +} __attribute__ ((packed)); + + +/* Section 2.3 Host Controller Operational Registers */ +struct ehci_regs { + + /* USBCMD: offset 0x00 */ + u32 command; +/* 23:16 is r/w intr rate, in microframes; default "8" == 1/msec */ +#define CMD_PARK (1<<11) /* enable "park" on async qh */ +#define CMD_PARK_CNT(c) (((c)>>8)&3) /* how many transfers to park for */ +#define CMD_LRESET (1<<7) /* partial reset (no ports, etc) */ +#define CMD_IAAD (1<<6) /* "doorbell" interrupt async advance */ +#define CMD_ASE (1<<5) /* async schedule enable */ +#define CMD_PSE (1<<4) /* periodic schedule enable */ +/* 3:2 is periodic frame list size */ +#define CMD_RESET (1<<1) /* reset HC not bus */ +#define CMD_RUN (1<<0) /* start/stop HC */ + + /* USBSTS: offset 0x04 */ + u32 status; +#define STS_ASS (1<<15) /* Async Schedule Status */ +#define STS_PSS (1<<14) /* Periodic Schedule Status */ +#define STS_RECL (1<<13) /* Reclamation */ +#define STS_HALT (1<<12) /* Not running (any reason) */ +/* some bits reserved */ + /* these STS_* flags are also intr_enable bits (USBINTR) */ +#define STS_IAA (1<<5) /* Interrupted on async advance */ +#define STS_FATAL (1<<4) /* such as some PCI access errors */ +#define STS_FLR (1<<3) /* frame list rolled over */ +#define STS_PCD (1<<2) /* port change detect */ +#define STS_ERR (1<<1) /* "error" completion (overflow, ...) */ +#define STS_INT (1<<0) /* "normal" completion (short, ...) */ + + /* USBINTR: offset 0x08 */ + u32 intr_enable; + + /* FRINDEX: offset 0x0C */ + u32 frame_index; /* current microframe number */ + /* CTRLDSSEGMENT: offset 0x10 */ + u32 segment; /* address bits 63:32 if needed */ + /* PERIODICLISTBASE: offset 0x14 */ + u32 frame_list; /* points to periodic list */ + /* ASYNCLISTADDR: offset 0x18 */ + u32 async_next; /* address of next async queue head */ + + u32 reserved [9]; + + /* CONFIGFLAG: offset 0x40 */ + u32 configured_flag; +#define FLAG_CF (1<<0) /* true: we'll support "high speed" */ + + /* PORTSC: offset 0x44 */ + u32 port_status [0]; /* up to N_PORTS */ +/* 31:23 reserved */ +#define PORT_WKOC_E (1<<22) /* wake on overcurrent (enable) */ +#define PORT_WKDISC_E (1<<21) /* wake on disconnect (enable) */ +#define PORT_WKCONN_E (1<<20) /* wake on connect (enable) */ +/* 19:16 for port testing */ +#define PORT_LED_OFF (0<<14) +#define PORT_LED_AMBER (1<<14) +#define PORT_LED_GREEN (2<<14) +#define PORT_LED_MASK (3<<14) +#define PORT_OWNER (1<<13) /* true: companion hc owns this port */ +#define PORT_POWER (1<<12) /* true: has power (see PPC) */ +#define PORT_USB11(x) (((x)&(3<<10)) == (1<<10)) /* USB 1.1 device */ +/* 11:10 for detecting lowspeed devices (reset vs release ownership) */ +/* 9 reserved */ +#define PORT_RESET (1<<8) /* reset port */ +#define PORT_SUSPEND (1<<7) /* suspend port */ +#define PORT_RESUME (1<<6) /* resume it */ +#define PORT_OCC (1<<5) /* over current change */ +#define PORT_OC (1<<4) /* over current active */ +#define PORT_PEC (1<<3) /* port enable change */ +#define PORT_PE (1<<2) /* port enable */ +#define PORT_CSC (1<<1) /* connect status change */ +#define PORT_CONNECT (1<<0) /* device connected */ +#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) +} __attribute__ ((packed)); + +#define USBMODE 0x68 /* USB Device mode */ +#define USBMODE_SDIS (1<<3) /* Stream disable */ +#define USBMODE_BE (1<<2) /* BE/LE endianness select */ +#define USBMODE_CM_HC (3<<0) /* host controller mode */ +#define USBMODE_CM_IDLE (0<<0) /* idle state */ + +/* Appendix C, Debug port ... intended for use with special "debug devices" + * that can help if there's no serial console. (nonstandard enumeration.) + */ +struct ehci_dbg_port { + u32 control; +#define DBGP_OWNER (1<<30) +#define DBGP_ENABLED (1<<28) +#define DBGP_DONE (1<<16) +#define DBGP_INUSE (1<<10) +#define DBGP_ERRCODE(x) (((x)>>7)&0x07) +# define DBGP_ERR_BAD 1 +# define DBGP_ERR_SIGNAL 2 +#define DBGP_ERROR (1<<6) +#define DBGP_GO (1<<5) +#define DBGP_OUT (1<<4) +#define DBGP_LEN(x) (((x)>>0)&0x0f) + u32 pids; +#define DBGP_PID_GET(x) (((x)>>16)&0xff) +#define DBGP_PID_SET(data, tok) (((data)<<8)|(tok)) + u32 data03; + u32 data47; + u32 address; +#define DBGP_EPADDR(dev, ep) (((dev)<<8)|(ep)) +} __attribute__ ((packed)); + +#endif /* __LINUX_USB_EHCI_DEF_H */ -- GitLab From 5c05917e7fe313a187ad6ebb94c1c6cf42862a0b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 24 Jul 2008 17:29:40 -0700 Subject: [PATCH 0138/6244] x86: usb debug port early console, v4 based on work from Eric, and add some timeout so don't dead loop when debug device is not installed v2: fix checkpatch warning v3: move ehci struct def to linux/usrb/ehci_def.h from host/ehci.h also add CONFIG_EARLY_PRINTK_DBGP to disable it by default v4: address comments from Ingo, seperate ehci reg def moving to another patch also add auto detect port that connect to debug device for Nvidia southbridge Signed-off-by: Yinghai Lu Cc: Andrew Morton Cc: Andi Kleen Cc: "Arjan van de Ven" Cc: "Eric W. Biederman" Cc: "Greg KH" Signed-off-by: Ingo Molnar --- Documentation/kernel-parameters.txt | 3 +- arch/x86/Kconfig.debug | 13 + arch/x86/kernel/early_printk.c | 762 +++++++++++++++++++++++++++- 3 files changed, 774 insertions(+), 4 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e7bea3e85304..92ddd4afe174 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -657,11 +657,12 @@ and is between 256 and 4096 characters. It is defined in the file earlyprintk= [X86-32,X86-64,SH,BLACKFIN] earlyprintk=vga earlyprintk=serial[,ttySn[,baudrate]] + earlyprintk=dbgp Append ",keep" to not disable it when the real console takes over. - Only vga or serial at a time, not both. + Only vga or serial or usb debug port at a time. Currently only ttyS0 and ttyS1 are supported. diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 092f019e033a..93422d2ecf61 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -43,6 +43,19 @@ config EARLY_PRINTK with klogd/syslogd or the X server. You should normally N here, unless you want to debug such a crash. +config EARLY_PRINTK_DBGP + bool "Early printk via EHCI debug port" + default n + depends on EARLY_PRINTK + help + Write kernel log output directly into the EHCI debug port. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. For normal operation + it is not recommended because it looks ugly and doesn't cooperate + with klogd/syslogd or the X server. You should normally N here, + unless you want to debug such a crash. You need usb debug device. + config DEBUG_STACKOVERFLOW bool "Check for stack overflows" depends on DEBUG_KERNEL diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index ff9e7350da54..28155acf706e 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -3,11 +3,19 @@ #include #include #include +#include +#include +#include +#include #include #include #include #include #include +#include +#include +#include +#include /* Simple VGA output */ #define VGABASE (__ISA_IO_base + 0xb8000) @@ -78,6 +86,7 @@ static int early_serial_base = 0x3f8; /* ttyS0 */ static int early_serial_putc(unsigned char ch) { unsigned timeout = 0xffff; + while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) cpu_relax(); outb(ch, early_serial_base + TXR); @@ -151,6 +160,721 @@ static struct console early_serial_console = { .index = -1, }; +#ifdef CONFIG_EARLY_PRINTK_DBGP + +static struct ehci_caps __iomem *ehci_caps; +static struct ehci_regs __iomem *ehci_regs; +static struct ehci_dbg_port __iomem *ehci_debug; +static unsigned int dbgp_endpoint_out; + +struct ehci_dev { + u32 bus; + u32 slot; + u32 func; +}; + +static struct ehci_dev ehci_dev; + +#define USB_DEBUG_DEVNUM 127 + +#define DBGP_DATA_TOGGLE 0x8800 + +static inline u32 dbgp_pid_update(u32 x, u32 tok) +{ + return ((x ^ DBGP_DATA_TOGGLE) & 0xffff00) | (tok & 0xff); +} + +static inline u32 dbgp_len_update(u32 x, u32 len) +{ + return (x & ~0x0f) | (len & 0x0f); +} + +/* + * USB Packet IDs (PIDs) + */ + +/* token */ +#define USB_PID_OUT 0xe1 +#define USB_PID_IN 0x69 +#define USB_PID_SOF 0xa5 +#define USB_PID_SETUP 0x2d +/* handshake */ +#define USB_PID_ACK 0xd2 +#define USB_PID_NAK 0x5a +#define USB_PID_STALL 0x1e +#define USB_PID_NYET 0x96 +/* data */ +#define USB_PID_DATA0 0xc3 +#define USB_PID_DATA1 0x4b +#define USB_PID_DATA2 0x87 +#define USB_PID_MDATA 0x0f +/* Special */ +#define USB_PID_PREAMBLE 0x3c +#define USB_PID_ERR 0x3c +#define USB_PID_SPLIT 0x78 +#define USB_PID_PING 0xb4 +#define USB_PID_UNDEF_0 0xf0 + +#define USB_PID_DATA_TOGGLE 0x88 +#define DBGP_CLAIM (DBGP_OWNER | DBGP_ENABLED | DBGP_INUSE) + +#define PCI_CAP_ID_EHCI_DEBUG 0xa + +#define HUB_ROOT_RESET_TIME 50 /* times are in msec */ +#define HUB_SHORT_RESET_TIME 10 +#define HUB_LONG_RESET_TIME 200 +#define HUB_RESET_TIMEOUT 500 + +#define DBGP_MAX_PACKET 8 + +static int dbgp_wait_until_complete(void) +{ + u32 ctrl; + int loop = 0x100000; + + do { + ctrl = readl(&ehci_debug->control); + /* Stop when the transaction is finished */ + if (ctrl & DBGP_DONE) + break; + } while (--loop > 0); + + if (!loop) + return -1; + + /* + * Now that we have observed the completed transaction, + * clear the done bit. + */ + writel(ctrl | DBGP_DONE, &ehci_debug->control); + return (ctrl & DBGP_ERROR) ? -DBGP_ERRCODE(ctrl) : DBGP_LEN(ctrl); +} + +static void dbgp_mdelay(int ms) +{ + int i; + + while (ms--) { + for (i = 0; i < 1000; i++) + outb(0x1, 0x80); + } +} + +static void dbgp_breath(void) +{ + /* Sleep to give the debug port a chance to breathe */ +} + +static int dbgp_wait_until_done(unsigned ctrl) +{ + u32 pids, lpid; + int ret; + int loop = 3; + +retry: + writel(ctrl | DBGP_GO, &ehci_debug->control); + ret = dbgp_wait_until_complete(); + pids = readl(&ehci_debug->pids); + lpid = DBGP_PID_GET(pids); + + if (ret < 0) + return ret; + + /* + * If the port is getting full or it has dropped data + * start pacing ourselves, not necessary but it's friendly. + */ + if ((lpid == USB_PID_NAK) || (lpid == USB_PID_NYET)) + dbgp_breath(); + + /* If I get a NACK reissue the transmission */ + if (lpid == USB_PID_NAK) { + if (--loop > 0) + goto retry; + } + + return ret; +} + +static void dbgp_set_data(const void *buf, int size) +{ + const unsigned char *bytes = buf; + u32 lo, hi; + int i; + + lo = hi = 0; + for (i = 0; i < 4 && i < size; i++) + lo |= bytes[i] << (8*i); + for (; i < 8 && i < size; i++) + hi |= bytes[i] << (8*(i - 4)); + writel(lo, &ehci_debug->data03); + writel(hi, &ehci_debug->data47); +} + +static void dbgp_get_data(void *buf, int size) +{ + unsigned char *bytes = buf; + u32 lo, hi; + int i; + + lo = readl(&ehci_debug->data03); + hi = readl(&ehci_debug->data47); + for (i = 0; i < 4 && i < size; i++) + bytes[i] = (lo >> (8*i)) & 0xff; + for (; i < 8 && i < size; i++) + bytes[i] = (hi >> (8*(i - 4))) & 0xff; +} + +static int dbgp_bulk_write(unsigned devnum, unsigned endpoint, + const char *bytes, int size) +{ + u32 pids, addr, ctrl; + int ret; + + if (size > DBGP_MAX_PACKET) + return -1; + + addr = DBGP_EPADDR(devnum, endpoint); + + pids = readl(&ehci_debug->pids); + pids = dbgp_pid_update(pids, USB_PID_OUT); + + ctrl = readl(&ehci_debug->control); + ctrl = dbgp_len_update(ctrl, size); + ctrl |= DBGP_OUT; + ctrl |= DBGP_GO; + + dbgp_set_data(bytes, size); + writel(addr, &ehci_debug->address); + writel(pids, &ehci_debug->pids); + + ret = dbgp_wait_until_done(ctrl); + if (ret < 0) + return ret; + + return ret; +} + +static int dbgp_bulk_read(unsigned devnum, unsigned endpoint, void *data, + int size) +{ + u32 pids, addr, ctrl; + int ret; + + if (size > DBGP_MAX_PACKET) + return -1; + + addr = DBGP_EPADDR(devnum, endpoint); + + pids = readl(&ehci_debug->pids); + pids = dbgp_pid_update(pids, USB_PID_IN); + + ctrl = readl(&ehci_debug->control); + ctrl = dbgp_len_update(ctrl, size); + ctrl &= ~DBGP_OUT; + ctrl |= DBGP_GO; + + writel(addr, &ehci_debug->address); + writel(pids, &ehci_debug->pids); + ret = dbgp_wait_until_done(ctrl); + if (ret < 0) + return ret; + + if (size > ret) + size = ret; + dbgp_get_data(data, size); + return ret; +} + +static int dbgp_control_msg(unsigned devnum, int requesttype, int request, + int value, int index, void *data, int size) +{ + u32 pids, addr, ctrl; + struct usb_ctrlrequest req; + int read; + int ret; + + read = (requesttype & USB_DIR_IN) != 0; + if (size > (read ? DBGP_MAX_PACKET:0)) + return -1; + + /* Compute the control message */ + req.bRequestType = requesttype; + req.bRequest = request; + req.wValue = value; + req.wIndex = index; + req.wLength = size; + + pids = DBGP_PID_SET(USB_PID_DATA0, USB_PID_SETUP); + addr = DBGP_EPADDR(devnum, 0); + + ctrl = readl(&ehci_debug->control); + ctrl = dbgp_len_update(ctrl, sizeof(req)); + ctrl |= DBGP_OUT; + ctrl |= DBGP_GO; + + /* Send the setup message */ + dbgp_set_data(&req, sizeof(req)); + writel(addr, &ehci_debug->address); + writel(pids, &ehci_debug->pids); + ret = dbgp_wait_until_done(ctrl); + if (ret < 0) + return ret; + + /* Read the result */ + return dbgp_bulk_read(devnum, 0, data, size); +} + + +/* Find a PCI capability */ +static u32 __init find_cap(u32 num, u32 slot, u32 func, int cap) +{ + u8 pos; + int bytes; + + if (!(read_pci_config_16(num, slot, func, PCI_STATUS) & + PCI_STATUS_CAP_LIST)) + return 0; + + pos = read_pci_config_byte(num, slot, func, PCI_CAPABILITY_LIST); + for (bytes = 0; bytes < 48 && pos >= 0x40; bytes++) { + u8 id; + + pos &= ~3; + id = read_pci_config_byte(num, slot, func, pos+PCI_CAP_LIST_ID); + if (id == 0xff) + break; + if (id == cap) + return pos; + + pos = read_pci_config_byte(num, slot, func, + pos+PCI_CAP_LIST_NEXT); + } + return 0; +} + +static u32 __init __find_dbgp(u32 bus, u32 slot, u32 func) +{ + u32 class; + + class = read_pci_config(bus, slot, func, PCI_CLASS_REVISION); + if ((class >> 8) != PCI_CLASS_SERIAL_USB_EHCI) + return 0; + + return find_cap(bus, slot, func, PCI_CAP_ID_EHCI_DEBUG); +} + +static u32 __init find_dbgp(int ehci_num, u32 *rbus, u32 *rslot, u32 *rfunc) +{ + u32 bus, slot, func; + + for (bus = 0; bus < 256; bus++) { + for (slot = 0; slot < 32; slot++) { + for (func = 0; func < 8; func++) { + unsigned cap; + + cap = __find_dbgp(bus, slot, func); + + if (!cap) + continue; + if (ehci_num-- != 0) + continue; + *rbus = bus; + *rslot = slot; + *rfunc = func; + return cap; + } + } + } + return 0; +} + +static int ehci_reset_port(int port) +{ + u32 portsc; + u32 delay_time, delay; + int loop; + + /* Reset the usb debug port */ + portsc = readl(&ehci_regs->port_status[port - 1]); + portsc &= ~PORT_PE; + portsc |= PORT_RESET; + writel(portsc, &ehci_regs->port_status[port - 1]); + + delay = HUB_ROOT_RESET_TIME; + for (delay_time = 0; delay_time < HUB_RESET_TIMEOUT; + delay_time += delay) { + dbgp_mdelay(delay); + + portsc = readl(&ehci_regs->port_status[port - 1]); + if (portsc & PORT_RESET) { + /* force reset to complete */ + loop = 2; + writel(portsc & ~(PORT_RWC_BITS | PORT_RESET), + &ehci_regs->port_status[port - 1]); + do { + portsc = readl(&ehci_regs->port_status[port-1]); + } while ((portsc & PORT_RESET) && (--loop > 0)); + } + + /* Device went away? */ + if (!(portsc & PORT_CONNECT)) + return -ENOTCONN; + + /* bomb out completely if something weird happend */ + if ((portsc & PORT_CSC)) + return -EINVAL; + + /* If we've finished resetting, then break out of the loop */ + if (!(portsc & PORT_RESET) && (portsc & PORT_PE)) + return 0; + } + return -EBUSY; +} + +static int ehci_wait_for_port(int port) +{ + u32 status; + int ret, reps; + + for (reps = 0; reps < 3; reps++) { + dbgp_mdelay(100); + status = readl(&ehci_regs->status); + if (status & STS_PCD) { + ret = ehci_reset_port(port); + if (ret == 0) + return 0; + } + } + return -ENOTCONN; +} + +#ifdef DBGP_DEBUG +# define dbgp_printk early_printk +#else +static inline void dbgp_printk(const char *fmt, ...) { } +#endif + +typedef void (*set_debug_port_t)(int port); + +static void default_set_debug_port(int port) +{ +} + +static set_debug_port_t set_debug_port = default_set_debug_port; + +static void nvidia_set_debug_port(int port) +{ + u32 dword; + dword = read_pci_config(ehci_dev.bus, ehci_dev.slot, ehci_dev.func, + 0x74); + dword &= ~(0x0f<<12); + dword |= ((port & 0x0f)<<12); + write_pci_config(ehci_dev.bus, ehci_dev.slot, ehci_dev.func, 0x74, + dword); + dbgp_printk("set debug port to %d\n", port); +} + +static void __init detect_set_debug_port(void) +{ + u32 vendorid; + + vendorid = read_pci_config(ehci_dev.bus, ehci_dev.slot, ehci_dev.func, + 0x00); + + if ((vendorid & 0xffff) == 0x10de) { + dbgp_printk("using nvidia set_debug_port\n"); + set_debug_port = nvidia_set_debug_port; + } +} + +static int __init ehci_setup(void) +{ + struct usb_debug_descriptor dbgp_desc; + u32 cmd, ctrl, status, portsc, hcs_params; + u32 debug_port, new_debug_port = 0, n_ports; + u32 devnum; + int ret, i; + int loop; + int port_map_tried; + int playtimes = 3; + +try_next_time: + port_map_tried = 0; + +try_next_port: + + hcs_params = readl(&ehci_caps->hcs_params); + debug_port = HCS_DEBUG_PORT(hcs_params); + n_ports = HCS_N_PORTS(hcs_params); + + dbgp_printk("debug_port: %d\n", debug_port); + dbgp_printk("n_ports: %d\n", n_ports); + + for (i = 1; i <= n_ports; i++) { + portsc = readl(&ehci_regs->port_status[i-1]); + dbgp_printk("portstatus%d: %08x\n", i, portsc); + } + + if (port_map_tried && (new_debug_port != debug_port)) { + if (--playtimes) { + set_debug_port(new_debug_port); + goto try_next_time; + } + return -1; + } + + loop = 10; + /* Reset the EHCI controller */ + cmd = readl(&ehci_regs->command); + cmd |= CMD_RESET; + writel(cmd, &ehci_regs->command); + do { + cmd = readl(&ehci_regs->command); + } while ((cmd & CMD_RESET) && (--loop > 0)); + + if (!loop) { + dbgp_printk("can not reset ehci\n"); + return -1; + } + dbgp_printk("ehci reset done\n"); + + /* Claim ownership, but do not enable yet */ + ctrl = readl(&ehci_debug->control); + ctrl |= DBGP_OWNER; + ctrl &= ~(DBGP_ENABLED | DBGP_INUSE); + writel(ctrl, &ehci_debug->control); + + /* Start the ehci running */ + cmd = readl(&ehci_regs->command); + cmd &= ~(CMD_LRESET | CMD_IAAD | CMD_PSE | CMD_ASE | CMD_RESET); + cmd |= CMD_RUN; + writel(cmd, &ehci_regs->command); + + /* Ensure everything is routed to the EHCI */ + writel(FLAG_CF, &ehci_regs->configured_flag); + + /* Wait until the controller is no longer halted */ + loop = 10; + do { + status = readl(&ehci_regs->status); + } while ((status & STS_HALT) && (--loop > 0)); + + if (!loop) { + dbgp_printk("ehci can be started\n"); + return -1; + } + dbgp_printk("ehci started\n"); + + /* Wait for a device to show up in the debug port */ + ret = ehci_wait_for_port(debug_port); + if (ret < 0) { + dbgp_printk("No device found in debug port\n"); + goto next_debug_port; + } + dbgp_printk("ehci wait for port done\n"); + + /* Enable the debug port */ + ctrl = readl(&ehci_debug->control); + ctrl |= DBGP_CLAIM; + writel(ctrl, &ehci_debug->control); + ctrl = readl(&ehci_debug->control); + if ((ctrl & DBGP_CLAIM) != DBGP_CLAIM) { + dbgp_printk("No device in debug port\n"); + writel(ctrl & ~DBGP_CLAIM, &ehci_debug->control); + goto err; + } + dbgp_printk("debug ported enabled\n"); + + /* Completely transfer the debug device to the debug controller */ + portsc = readl(&ehci_regs->port_status[debug_port - 1]); + portsc &= ~PORT_PE; + writel(portsc, &ehci_regs->port_status[debug_port - 1]); + + dbgp_mdelay(100); + + /* Find the debug device and make it device number 127 */ + for (devnum = 0; devnum <= 127; devnum++) { + ret = dbgp_control_msg(devnum, + USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE, + USB_REQ_GET_DESCRIPTOR, (USB_DT_DEBUG << 8), 0, + &dbgp_desc, sizeof(dbgp_desc)); + if (ret > 0) + break; + } + if (devnum > 127) { + dbgp_printk("Could not find attached debug device\n"); + goto err; + } + if (ret < 0) { + dbgp_printk("Attached device is not a debug device\n"); + goto err; + } + dbgp_endpoint_out = dbgp_desc.bDebugOutEndpoint; + + /* Move the device to 127 if it isn't already there */ + if (devnum != USB_DEBUG_DEVNUM) { + ret = dbgp_control_msg(devnum, + USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE, + USB_REQ_SET_ADDRESS, USB_DEBUG_DEVNUM, 0, NULL, 0); + if (ret < 0) { + dbgp_printk("Could not move attached device to %d\n", + USB_DEBUG_DEVNUM); + goto err; + } + devnum = USB_DEBUG_DEVNUM; + dbgp_printk("debug device renamed to 127\n"); + } + + /* Enable the debug interface */ + ret = dbgp_control_msg(USB_DEBUG_DEVNUM, + USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE, + USB_REQ_SET_FEATURE, USB_DEVICE_DEBUG_MODE, 0, NULL, 0); + if (ret < 0) { + dbgp_printk(" Could not enable the debug device\n"); + goto err; + } + dbgp_printk("debug interface enabled\n"); + + /* Perform a small write to get the even/odd data state in sync + */ + ret = dbgp_bulk_write(USB_DEBUG_DEVNUM, dbgp_endpoint_out, " ", 1); + if (ret < 0) { + dbgp_printk("dbgp_bulk_write failed: %d\n", ret); + goto err; + } + dbgp_printk("small write doned\n"); + + return 0; +err: + /* Things didn't work so remove my claim */ + ctrl = readl(&ehci_debug->control); + ctrl &= ~(DBGP_CLAIM | DBGP_OUT); + writel(ctrl, &ehci_debug->control); + return -1; + +next_debug_port: + port_map_tried |= (1<<(debug_port - 1)); + new_debug_port = ((debug_port-1+1)%n_ports) + 1; + if (port_map_tried != ((1<> 29) & 0x7; + bar = (bar * 4) + 0xc; + offset = (debug_port >> 16) & 0xfff; + dbgp_printk("bar: %02x offset: %03x\n", bar, offset); + if (bar != PCI_BASE_ADDRESS_0) { + dbgp_printk("only debug ports on bar 1 handled.\n"); + + return -1; + } + + bar_val = read_pci_config(bus, slot, func, PCI_BASE_ADDRESS_0); + dbgp_printk("bar_val: %02x offset: %03x\n", bar_val, offset); + if (bar_val & ~PCI_BASE_ADDRESS_MEM_MASK) { + dbgp_printk("only simple 32bit mmio bars supported\n"); + + return -1; + } + + /* double check if the mem space is enabled */ + byte = read_pci_config_byte(bus, slot, func, 0x04); + if (!(byte & 0x2)) { + byte |= 0x02; + write_pci_config_byte(bus, slot, func, 0x04, byte); + dbgp_printk("mmio for ehci enabled\n"); + } + + /* + * FIXME I don't have the bar size so just guess PAGE_SIZE is more + * than enough. 1K is the biggest I have seen. + */ + set_fixmap_nocache(FIX_DBGP_BASE, bar_val & PAGE_MASK); + ehci_bar = (void __iomem *)__fix_to_virt(FIX_DBGP_BASE); + ehci_bar += bar_val & ~PAGE_MASK; + dbgp_printk("ehci_bar: %p\n", ehci_bar); + + ehci_caps = ehci_bar; + ehci_regs = ehci_bar + HC_LENGTH(readl(&ehci_caps->hc_capbase)); + ehci_debug = ehci_bar + offset; + ehci_dev.bus = bus; + ehci_dev.slot = slot; + ehci_dev.func = func; + + detect_set_debug_port(); + + ret = ehci_setup(); + if (ret < 0) { + dbgp_printk("ehci_setup failed\n"); + ehci_debug = 0; + + return -1; + } + + return 0; +} + +static void early_dbgp_write(struct console *con, const char *str, u32 n) +{ + int chunk, ret; + + if (!ehci_debug) + return; + while (n > 0) { + chunk = n; + if (chunk > DBGP_MAX_PACKET) + chunk = DBGP_MAX_PACKET; + ret = dbgp_bulk_write(USB_DEBUG_DEVNUM, + dbgp_endpoint_out, str, chunk); + str += chunk; + n -= chunk; + } +} + +static struct console early_dbgp_console = { + .name = "earlydbg", + .write = early_dbgp_write, + .flags = CON_PRINTBUFFER, + .index = -1, +}; +#endif + /* Console interface to a host file on AMD's SimNow! */ static int simnow_fd; @@ -165,6 +889,7 @@ enum { static noinline long simnow(long cmd, long a, long b, long c) { long ret; + asm volatile("cpuid" : "=a" (ret) : "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2)); @@ -174,6 +899,7 @@ static noinline long simnow(long cmd, long a, long b, long c) static void __init simnow_init(char *str) { char *fn = "klog"; + if (*str == '=') fn = ++str; /* error ignored */ @@ -208,10 +934,11 @@ asmlinkage void early_printk(const char *fmt, ...) va_end(ap); } -static int __initdata keep_early; static int __init setup_early_printk(char *buf) { + int keep_early; + if (!buf) return 0; @@ -219,8 +946,7 @@ static int __init setup_early_printk(char *buf) return 0; early_console_initialized = 1; - if (strstr(buf, "keep")) - keep_early = 1; + keep_early = (strstr(buf, "keep") != NULL); if (!strncmp(buf, "serial", 6)) { early_serial_init(buf + 6); @@ -238,6 +964,17 @@ static int __init setup_early_printk(char *buf) simnow_init(buf + 6); early_console = &simnow_console; keep_early = 1; +#ifdef CONFIG_EARLY_PRINTK_DBGP + } else if (!strncmp(buf, "dbgp", 4)) { + if (early_dbgp_init(buf+4) < 0) + return 0; + early_console = &early_dbgp_console; + /* + * usb subsys will reset ehci controller, so don't keep + * that early console + */ + keep_early = 0; +#endif #ifdef CONFIG_HVC_XEN } else if (!strncmp(buf, "xen", 3)) { early_console = &xenboot_console; @@ -251,4 +988,23 @@ static int __init setup_early_printk(char *buf) register_console(early_console); return 0; } + +void __init enable_debug_console(char *buf) +{ +#ifdef DBGP_DEBUG + struct console *old_early_console = NULL; + + if (early_console_initialized && early_console) { + old_early_console = early_console; + unregister_console(early_console); + early_console_initialized = 0; + } + + setup_early_printk(buf); + + if (early_console == old_early_console && old_early_console) + register_console(old_early_console); +#endif +} + early_param("earlyprintk", setup_early_printk); -- GitLab From a4dbc34d181e87a0d724dee365921e9251f831d4 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 02:14:28 -0700 Subject: [PATCH 0139/6244] x86: add setup_ioapic_ids for numaq in x86_quirks Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 5 ++--- arch/x86/kernel/numaq_32.c | 7 +++++++ include/asm-x86/setup.h | 1 + 3 files changed, 10 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 98e4db5373f3..72ba06314c7b 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include @@ -1728,10 +1729,8 @@ static void __init setup_ioapic_ids_from_mpc(void) unsigned char old_id; unsigned long flags; -#ifdef CONFIG_X86_NUMAQ - if (found_numaq) + if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids()) return; -#endif /* * Don't check I/O APIC IDs for xAPIC systems. They have diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c index b8c45610b20a..2434467ddf72 100644 --- a/arch/x86/kernel/numaq_32.c +++ b/arch/x86/kernel/numaq_32.c @@ -229,6 +229,12 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable, } } +static int __init numaq_setup_ioapic_ids(void) +{ + /* so can skip it */ + return 1; +} + static struct x86_quirks numaq_x86_quirks __initdata = { .arch_pre_time_init = numaq_pre_time_init, .arch_time_init = NULL, @@ -243,6 +249,7 @@ static struct x86_quirks numaq_x86_quirks __initdata = { .mpc_oem_bus_info = mpc_oem_bus_info, .mpc_oem_pci_bus = mpc_oem_pci_bus, .smp_read_mpc_oem = smp_read_mpc_oem, + .setup_ioapic_ids = numaq_setup_ioapic_ids, }; void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h index b7aeba94e430..80fcc0de80be 100644 --- a/include/asm-x86/setup.h +++ b/include/asm-x86/setup.h @@ -38,6 +38,7 @@ struct x86_quirks { void (*mpc_oem_pci_bus)(struct mpc_config_bus *m); void (*smp_read_mpc_oem)(struct mp_config_oemtable *oemtable, unsigned short oemsize); + int (*setup_ioapic_ids)(void); }; extern struct x86_quirks *x86_quirks; -- GitLab From 1176fa919292887aa738d317d61fe2bba4d764f2 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 02:17:21 -0700 Subject: [PATCH 0140/6244] x86: mach-bigsmp to bigsmp Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mach-generic/bigsmp.c | 6 +++--- .../{mach-bigsmp/mach_apic.h => bigsmp/apic.h} | 10 +++++----- include/asm-x86/bigsmp/apicdef.h | 13 +++++++++++++ .../{mach-bigsmp/mach_ipi.h => bigsmp/ipi.h} | 6 +++--- include/asm-x86/mach-bigsmp/mach_apicdef.h | 13 ------------- 5 files changed, 24 insertions(+), 24 deletions(-) rename include/asm-x86/{mach-bigsmp/mach_apic.h => bigsmp/apic.h} (94%) create mode 100644 include/asm-x86/bigsmp/apicdef.h rename include/asm-x86/{mach-bigsmp/mach_ipi.h => bigsmp/ipi.h} (77%) delete mode 100644 include/asm-x86/mach-bigsmp/mach_apicdef.h diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c index b31f2800638e..df37fc9d6a26 100644 --- a/arch/x86/mach-generic/bigsmp.c +++ b/arch/x86/mach-generic/bigsmp.c @@ -12,10 +12,10 @@ #include #include #include -#include +#include #include -#include -#include +#include +#include #include static int dmi_bigsmp; /* can be set by dmi scanners */ diff --git a/include/asm-x86/mach-bigsmp/mach_apic.h b/include/asm-x86/bigsmp/apic.h similarity index 94% rename from include/asm-x86/mach-bigsmp/mach_apic.h rename to include/asm-x86/bigsmp/apic.h index 05362d44a3ee..0a9cd7c5ca0c 100644 --- a/include/asm-x86/mach-bigsmp/mach_apic.h +++ b/include/asm-x86/bigsmp/apic.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_BIGSMP__MACH_APIC_H -#define ASM_X86__MACH_BIGSMP__MACH_APIC_H +#ifndef __ASM_MACH_APIC_H +#define __ASM_MACH_APIC_H #define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu)) #define esr_disable (1) @@ -11,7 +11,7 @@ static inline int apic_id_registered(void) /* Round robin the irqs amoung the online cpus */ static inline cpumask_t target_cpus(void) -{ +{ static unsigned long cpu = NR_CPUS; do { if (cpu >= NR_CPUS) @@ -23,7 +23,7 @@ static inline cpumask_t target_cpus(void) } #undef APIC_DEST_LOGICAL -#define APIC_DEST_LOGICAL 0 +#define APIC_DEST_LOGICAL 0 #define TARGET_CPUS (target_cpus()) #define APIC_DFR_VALUE (APIC_DFR_FLAT) #define INT_DELIVERY_MODE (dest_Fixed) @@ -141,4 +141,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* ASM_X86__MACH_BIGSMP__MACH_APIC_H */ +#endif /* __ASM_MACH_APIC_H */ diff --git a/include/asm-x86/bigsmp/apicdef.h b/include/asm-x86/bigsmp/apicdef.h new file mode 100644 index 000000000000..392c3f5ef2fe --- /dev/null +++ b/include/asm-x86/bigsmp/apicdef.h @@ -0,0 +1,13 @@ +#ifndef __ASM_MACH_APICDEF_H +#define __ASM_MACH_APICDEF_H + +#define APIC_ID_MASK (0xFF<<24) + +static inline unsigned get_apic_id(unsigned long x) +{ + return (((x)>>24)&0xFF); +} + +#define GET_APIC_ID(x) get_apic_id(x) + +#endif diff --git a/include/asm-x86/mach-bigsmp/mach_ipi.h b/include/asm-x86/bigsmp/ipi.h similarity index 77% rename from include/asm-x86/mach-bigsmp/mach_ipi.h rename to include/asm-x86/bigsmp/ipi.h index b1b0f966a009..9404c535b7ec 100644 --- a/include/asm-x86/mach-bigsmp/mach_ipi.h +++ b/include/asm-x86/bigsmp/ipi.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_BIGSMP__MACH_IPI_H -#define ASM_X86__MACH_BIGSMP__MACH_IPI_H +#ifndef __ASM_MACH_IPI_H +#define __ASM_MACH_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* ASM_X86__MACH_BIGSMP__MACH_IPI_H */ +#endif /* __ASM_MACH_IPI_H */ diff --git a/include/asm-x86/mach-bigsmp/mach_apicdef.h b/include/asm-x86/mach-bigsmp/mach_apicdef.h deleted file mode 100644 index 811935d9d49b..000000000000 --- a/include/asm-x86/mach-bigsmp/mach_apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef ASM_X86__MACH_BIGSMP__MACH_APICDEF_H -#define ASM_X86__MACH_BIGSMP__MACH_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0xFF); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif /* ASM_X86__MACH_BIGSMP__MACH_APICDEF_H */ -- GitLab From c7e7964c9828083aeb41c2664cbf5a32acbfa9d1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 02:17:33 -0700 Subject: [PATCH 0141/6244] x86: mach_es7000 to es7000 Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/{mach-es7000 => es7000}/Makefile | 0 arch/x86/{mach-es7000 => es7000}/es7000.h | 18 +++++------ arch/x86/{mach-es7000 => es7000}/es7000plat.c | 2 +- arch/x86/mach-generic/Makefile | 2 +- arch/x86/mach-generic/es7000.c | 10 +++---- .../mach_apic.h => es7000/apic.h} | 30 +++++++++---------- include/asm-x86/es7000/apicdef.h | 13 ++++++++ .../{mach-es7000/mach_ipi.h => es7000/ipi.h} | 6 ++-- .../mach_mpparse.h => es7000/mpparse.h} | 6 ++-- .../mach_wakecpu.h => es7000/wakecpu.h} | 8 ++--- include/asm-x86/mach-es7000/mach_apicdef.h | 13 -------- 11 files changed, 54 insertions(+), 54 deletions(-) rename arch/x86/{mach-es7000 => es7000}/Makefile (100%) rename arch/x86/{mach-es7000 => es7000}/es7000.h (89%) rename arch/x86/{mach-es7000 => es7000}/es7000plat.c (99%) rename include/asm-x86/{mach-es7000/mach_apic.h => es7000/apic.h} (92%) create mode 100644 include/asm-x86/es7000/apicdef.h rename include/asm-x86/{mach-es7000/mach_ipi.h => es7000/ipi.h} (77%) rename include/asm-x86/{mach-es7000/mach_mpparse.h => es7000/mpparse.h} (81%) rename include/asm-x86/{mach-es7000/mach_wakecpu.h => es7000/wakecpu.h} (89%) delete mode 100644 include/asm-x86/mach-es7000/mach_apicdef.h diff --git a/arch/x86/mach-es7000/Makefile b/arch/x86/es7000/Makefile similarity index 100% rename from arch/x86/mach-es7000/Makefile rename to arch/x86/es7000/Makefile diff --git a/arch/x86/mach-es7000/es7000.h b/arch/x86/es7000/es7000.h similarity index 89% rename from arch/x86/mach-es7000/es7000.h rename to arch/x86/es7000/es7000.h index c8d5aa132fa0..4e62f6fa95b8 100644 --- a/arch/x86/mach-es7000/es7000.h +++ b/arch/x86/es7000/es7000.h @@ -1,7 +1,7 @@ /* * Written by: Garry Forsgren, Unisys Corporation * Natalie Protasevich, Unisys Corporation - * This file contains the code to configure and interface + * This file contains the code to configure and interface * with Unisys ES7000 series hardware system manager. * * Copyright (c) 2003 Unisys Corporation. All Rights Reserved. @@ -18,7 +18,7 @@ * with this program; if not, write the Free Software Foundation, Inc., 59 * Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * Contact information: Unisys Corporation, Township Line & Union Meeting + * Contact information: Unisys Corporation, Township Line & Union Meeting * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or: * * http://www.unisys.com @@ -41,7 +41,7 @@ #define MIP_VALID 0x0100000000000000ULL #define MIP_PORT(VALUE) ((VALUE >> 32) & 0xffff) -#define MIP_RD_LO(VALUE) (VALUE & 0xffffffff) +#define MIP_RD_LO(VALUE) (VALUE & 0xffffffff) struct mip_reg_info { unsigned long long mip_info; @@ -51,11 +51,11 @@ struct mip_reg_info { }; struct part_info { - unsigned char type; + unsigned char type; unsigned char length; unsigned char part_id; unsigned char apic_mode; - unsigned long snum; + unsigned long snum; char ptype[16]; char sname[64]; char pname[64]; @@ -68,11 +68,11 @@ struct psai { }; struct es7000_mem_info { - unsigned char type; + unsigned char type; unsigned char length; unsigned char resv[6]; - unsigned long long start; - unsigned long long size; + unsigned long long start; + unsigned long long size; }; struct es7000_oem_table { @@ -106,7 +106,7 @@ struct mip_reg { }; #define MIP_SW_APIC 0x1020b -#define MIP_FUNC(VALUE) (VALUE & 0xff) +#define MIP_FUNC(VALUE) (VALUE & 0xff) extern int parse_unisys_oem (char *oemptr); extern void setup_unisys(void); diff --git a/arch/x86/mach-es7000/es7000plat.c b/arch/x86/es7000/es7000plat.c similarity index 99% rename from arch/x86/mach-es7000/es7000plat.c rename to arch/x86/es7000/es7000plat.c index 50189af14b85..7789fde13c3f 100644 --- a/arch/x86/mach-es7000/es7000plat.c +++ b/arch/x86/es7000/es7000plat.c @@ -72,7 +72,7 @@ es7000_rename_gsi(int ioapic, int gsi) base += nr_ioapic_registers[i]; } - if (!ioapic && (gsi < 16)) + if (!ioapic && (gsi < 16)) gsi += base; return gsi; } diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile index 0dbd7803a1d5..4706de7676b1 100644 --- a/arch/x86/mach-generic/Makefile +++ b/arch/x86/mach-generic/Makefile @@ -9,4 +9,4 @@ obj-$(CONFIG_X86_NUMAQ) += numaq.o obj-$(CONFIG_X86_SUMMIT) += summit.o obj-$(CONFIG_X86_BIGSMP) += bigsmp.o obj-$(CONFIG_X86_ES7000) += es7000.o -obj-$(CONFIG_X86_ES7000) += ../../x86/mach-es7000/ +obj-$(CONFIG_X86_ES7000) += ../../x86/es7000/ diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c index 9b30547d746e..520cca0ee04e 100644 --- a/arch/x86/mach-generic/es7000.c +++ b/arch/x86/mach-generic/es7000.c @@ -11,12 +11,12 @@ #include #include #include -#include +#include #include -#include -#include -#include -#include +#include +#include +#include +#include static int probe_es7000(void) { diff --git a/include/asm-x86/mach-es7000/mach_apic.h b/include/asm-x86/es7000/apic.h similarity index 92% rename from include/asm-x86/mach-es7000/mach_apic.h rename to include/asm-x86/es7000/apic.h index ae877ec267f2..bd2c44d1f7ac 100644 --- a/include/asm-x86/mach-es7000/mach_apic.h +++ b/include/asm-x86/es7000/apic.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_ES7000__MACH_APIC_H -#define ASM_X86__MACH_ES7000__MACH_APIC_H +#ifndef __ASM_ES7000_APIC_H +#define __ASM_ES7000_APIC_H #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu) #define esr_disable (1) @@ -10,7 +10,7 @@ static inline int apic_id_registered(void) } static inline cpumask_t target_cpus(void) -{ +{ #if defined CONFIG_ES7000_CLUSTERED_APIC return CPU_MASK_ALL; #else @@ -23,24 +23,24 @@ static inline cpumask_t target_cpus(void) #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) #define INT_DELIVERY_MODE (dest_LowestPrio) #define INT_DEST_MODE (1) /* logical delivery broadcast to all procs */ -#define NO_BALANCE_IRQ (1) +#define NO_BALANCE_IRQ (1) #undef WAKE_SECONDARY_VIA_INIT #define WAKE_SECONDARY_VIA_MIP #else #define APIC_DFR_VALUE (APIC_DFR_FLAT) #define INT_DELIVERY_MODE (dest_Fixed) #define INT_DEST_MODE (0) /* phys delivery to target procs */ -#define NO_BALANCE_IRQ (0) +#define NO_BALANCE_IRQ (0) #undef APIC_DEST_LOGICAL #define APIC_DEST_LOGICAL 0x0 #define WAKE_SECONDARY_VIA_INIT #endif static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) -{ +{ return 0; -} -static inline unsigned long check_apicid_present(int bit) +} +static inline unsigned long check_apicid_present(int bit) { return physid_isset(bit, phys_cpu_present_map); } @@ -80,7 +80,7 @@ static inline void setup_apic_routing(void) { int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", - (apic_version[apic] == 0x14) ? + (apic_version[apic] == 0x14) ? "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]); } @@ -150,7 +150,7 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) int num_bits_set; int cpus_found = 0; int cpu; - int apicid; + int apicid; num_bits_set = cpus_weight(cpumask); /* Return id to all */ @@ -160,16 +160,16 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) #else return cpu_to_logical_apicid(0); #endif - /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of TARGET_CPUS. + /* + * The cpus in the mask must all be on the apic cluster. If are not + * on the same apicid cluster return default value of TARGET_CPUS. */ cpu = first_cpu(cpumask); apicid = cpu_to_logical_apicid(cpu); while (cpus_found < num_bits_set) { if (cpu_isset(cpu, cpumask)) { int new_apicid = cpu_to_logical_apicid(cpu); - if (apicid_cluster(apicid) != + if (apicid_cluster(apicid) != apicid_cluster(new_apicid)){ printk ("%s: Not a valid mask!\n",__FUNCTION__); #if defined CONFIG_ES7000_CLUSTERED_APIC @@ -191,4 +191,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* ASM_X86__MACH_ES7000__MACH_APIC_H */ +#endif /* __ASM_ES7000_APIC_H */ diff --git a/include/asm-x86/es7000/apicdef.h b/include/asm-x86/es7000/apicdef.h new file mode 100644 index 000000000000..8b234a3cb851 --- /dev/null +++ b/include/asm-x86/es7000/apicdef.h @@ -0,0 +1,13 @@ +#ifndef __ASM_ES7000_APICDEF_H +#define __ASM_ES7000_APICDEF_H + +#define APIC_ID_MASK (0xFF<<24) + +static inline unsigned get_apic_id(unsigned long x) +{ + return (((x)>>24)&0xFF); +} + +#define GET_APIC_ID(x) get_apic_id(x) + +#endif diff --git a/include/asm-x86/mach-es7000/mach_ipi.h b/include/asm-x86/es7000/ipi.h similarity index 77% rename from include/asm-x86/mach-es7000/mach_ipi.h rename to include/asm-x86/es7000/ipi.h index 3a21240e03dc..632a955fcc0a 100644 --- a/include/asm-x86/mach-es7000/mach_ipi.h +++ b/include/asm-x86/es7000/ipi.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_ES7000__MACH_IPI_H -#define ASM_X86__MACH_ES7000__MACH_IPI_H +#ifndef __ASM_ES7000_IPI_H +#define __ASM_ES7000_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -21,4 +21,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* ASM_X86__MACH_ES7000__MACH_IPI_H */ +#endif /* __ASM_ES7000_IPI_H */ diff --git a/include/asm-x86/mach-es7000/mach_mpparse.h b/include/asm-x86/es7000/mpparse.h similarity index 81% rename from include/asm-x86/mach-es7000/mach_mpparse.h rename to include/asm-x86/es7000/mpparse.h index befde24705b7..7b5c889d8e7d 100644 --- a/include/asm-x86/mach-es7000/mach_mpparse.h +++ b/include/asm-x86/es7000/mpparse.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_ES7000__MACH_MPPARSE_H -#define ASM_X86__MACH_ES7000__MACH_MPPARSE_H +#ifndef __ASM_ES7000_MPPARSE_H +#define __ASM_ES7000_MPPARSE_H #include @@ -26,4 +26,4 @@ static inline int es7000_check_dsdt(void) } #endif -#endif /* ASM_X86__MACH_ES7000__MACH_MPPARSE_H */ +#endif /* __ASM_MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-es7000/mach_wakecpu.h b/include/asm-x86/es7000/wakecpu.h similarity index 89% rename from include/asm-x86/mach-es7000/mach_wakecpu.h rename to include/asm-x86/es7000/wakecpu.h index 97c776ce13f2..3ffc5a7bf667 100644 --- a/include/asm-x86/mach-es7000/mach_wakecpu.h +++ b/include/asm-x86/es7000/wakecpu.h @@ -1,7 +1,7 @@ -#ifndef ASM_X86__MACH_ES7000__MACH_WAKECPU_H -#define ASM_X86__MACH_ES7000__MACH_WAKECPU_H +#ifndef __ASM_ES7000_WAKECPU_H +#define __ASM_ES7000_WAKECPU_H -/* +/* * This file copes with machines that wakeup secondary CPUs by the * INIT, INIT, STARTUP sequence. */ @@ -56,4 +56,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) #define inquire_remote_apic(apicid) {} #endif -#endif /* ASM_X86__MACH_ES7000__MACH_WAKECPU_H */ +#endif /* __ASM_MACH_WAKECPU_H */ diff --git a/include/asm-x86/mach-es7000/mach_apicdef.h b/include/asm-x86/mach-es7000/mach_apicdef.h deleted file mode 100644 index a07e56744028..000000000000 --- a/include/asm-x86/mach-es7000/mach_apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef ASM_X86__MACH_ES7000__MACH_APICDEF_H -#define ASM_X86__MACH_ES7000__MACH_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0xFF); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif /* ASM_X86__MACH_ES7000__MACH_APICDEF_H */ -- GitLab From e8c48efdb971cfb1b043076cf68be535d461a20b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 02:17:44 -0700 Subject: [PATCH 0142/6244] x86: mach_summit to summit Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/summit_32.c | 2 +- arch/x86/mach-generic/summit.c | 8 +++---- include/asm-x86/mach-summit/mach_apicdef.h | 13 ---------- .../mach_apic.h => summit/apic.h} | 24 +++++++++---------- include/asm-x86/summit/apicdef.h | 13 ++++++++++ .../{mach-summit/mach_ipi.h => summit/ipi.h} | 6 ++--- .../irq_vectors_limits.h | 6 ++--- .../mach_mpparse.h => summit/mpparse.h} | 13 +++++----- 8 files changed, 42 insertions(+), 43 deletions(-) delete mode 100644 include/asm-x86/mach-summit/mach_apicdef.h rename include/asm-x86/{mach-summit/mach_apic.h => summit/apic.h} (93%) create mode 100644 include/asm-x86/summit/apicdef.h rename include/asm-x86/{mach-summit/mach_ipi.h => summit/ipi.h} (77%) rename include/asm-x86/{mach-summit => summit}/irq_vectors_limits.h (65%) rename include/asm-x86/{mach-summit/mach_mpparse.h => summit/mpparse.h} (95%) diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c index d67ce5f044ba..7b987852e876 100644 --- a/arch/x86/kernel/summit_32.c +++ b/arch/x86/kernel/summit_32.c @@ -30,7 +30,7 @@ #include #include #include -#include +#include static struct rio_table_hdr *rio_table_hdr __initdata; static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata; diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c index 752edd96b1bf..6ad6b67a723d 100644 --- a/arch/x86/mach-generic/summit.c +++ b/arch/x86/mach-generic/summit.c @@ -11,11 +11,11 @@ #include #include #include -#include +#include #include -#include -#include -#include +#include +#include +#include static int probe_summit(void) { diff --git a/include/asm-x86/mach-summit/mach_apicdef.h b/include/asm-x86/mach-summit/mach_apicdef.h deleted file mode 100644 index d4bc8590c4f6..000000000000 --- a/include/asm-x86/mach-summit/mach_apicdef.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef ASM_X86__MACH_SUMMIT__MACH_APICDEF_H -#define ASM_X86__MACH_SUMMIT__MACH_APICDEF_H - -#define APIC_ID_MASK (0xFF<<24) - -static inline unsigned get_apic_id(unsigned long x) -{ - return (((x)>>24)&0xFF); -} - -#define GET_APIC_ID(x) get_apic_id(x) - -#endif /* ASM_X86__MACH_SUMMIT__MACH_APICDEF_H */ diff --git a/include/asm-x86/mach-summit/mach_apic.h b/include/asm-x86/summit/apic.h similarity index 93% rename from include/asm-x86/mach-summit/mach_apic.h rename to include/asm-x86/summit/apic.h index 7a66758d701d..c5b2e4b10358 100644 --- a/include/asm-x86/mach-summit/mach_apic.h +++ b/include/asm-x86/summit/apic.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_SUMMIT__MACH_APIC_H -#define ASM_X86__MACH_SUMMIT__MACH_APIC_H +#ifndef __ASM_SUMMIT_APIC_H +#define __ASM_SUMMIT_APIC_H #include @@ -21,7 +21,7 @@ static inline cpumask_t target_cpus(void) * Just start on cpu 0. IRQ balancing will spread load */ return cpumask_of_cpu(0); -} +} #define TARGET_CPUS (target_cpus()) #define INT_DELIVERY_MODE (dest_LowestPrio) @@ -30,10 +30,10 @@ static inline cpumask_t target_cpus(void) static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) { return 0; -} +} /* we don't use the phys_cpu_present_map to indicate apicid presence */ -static inline unsigned long check_apicid_present(int bit) +static inline unsigned long check_apicid_present(int bit) { return 1; } @@ -122,7 +122,7 @@ static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_id_map) static inline physid_mask_t apicid_to_cpu_present(int apicid) { - return physid_mask_of_physid(apicid); + return physid_mask_of_physid(0); } static inline void setup_portio_remap(void) @@ -143,22 +143,22 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) int num_bits_set; int cpus_found = 0; int cpu; - int apicid; + int apicid; num_bits_set = cpus_weight(cpumask); /* Return id to all */ if (num_bits_set == NR_CPUS) return (int) 0xFF; - /* - * The cpus in the mask must all be on the apic cluster. If are not - * on the same apicid cluster return default value of TARGET_CPUS. + /* + * The cpus in the mask must all be on the apic cluster. If are not + * on the same apicid cluster return default value of TARGET_CPUS. */ cpu = first_cpu(cpumask); apicid = cpu_to_logical_apicid(cpu); while (cpus_found < num_bits_set) { if (cpu_isset(cpu, cpumask)) { int new_apicid = cpu_to_logical_apicid(cpu); - if (apicid_cluster(apicid) != + if (apicid_cluster(apicid) != apicid_cluster(new_apicid)){ printk ("%s: Not a valid mask!\n",__FUNCTION__); return 0xFF; @@ -182,4 +182,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return hard_smp_processor_id() >> index_msb; } -#endif /* ASM_X86__MACH_SUMMIT__MACH_APIC_H */ +#endif /* __ASM_SUMMIT_APIC_H */ diff --git a/include/asm-x86/summit/apicdef.h b/include/asm-x86/summit/apicdef.h new file mode 100644 index 000000000000..f3fbca1f61c1 --- /dev/null +++ b/include/asm-x86/summit/apicdef.h @@ -0,0 +1,13 @@ +#ifndef __ASM_SUMMIT_APICDEF_H +#define __ASM_SUMMIT_APICDEF_H + +#define APIC_ID_MASK (0xFF<<24) + +static inline unsigned get_apic_id(unsigned long x) +{ + return (x>>24)&0xFF; +} + +#define GET_APIC_ID(x) get_apic_id(x) + +#endif diff --git a/include/asm-x86/mach-summit/mach_ipi.h b/include/asm-x86/summit/ipi.h similarity index 77% rename from include/asm-x86/mach-summit/mach_ipi.h rename to include/asm-x86/summit/ipi.h index a3b31c528d90..53bd1e7bd7b4 100644 --- a/include/asm-x86/mach-summit/mach_ipi.h +++ b/include/asm-x86/summit/ipi.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_SUMMIT__MACH_IPI_H -#define ASM_X86__MACH_SUMMIT__MACH_IPI_H +#ifndef __ASM_SUMMIT_IPI_H +#define __ASM_SUMMIT_IPI_H void send_IPI_mask_sequence(cpumask_t mask, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* ASM_X86__MACH_SUMMIT__MACH_IPI_H */ +#endif /* __ASM_SUMMIT_IPI_H */ diff --git a/include/asm-x86/mach-summit/irq_vectors_limits.h b/include/asm-x86/summit/irq_vectors_limits.h similarity index 65% rename from include/asm-x86/mach-summit/irq_vectors_limits.h rename to include/asm-x86/summit/irq_vectors_limits.h index 22f376ad68e1..890ce3f5e09a 100644 --- a/include/asm-x86/mach-summit/irq_vectors_limits.h +++ b/include/asm-x86/summit/irq_vectors_limits.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H -#define ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H +#ifndef _ASM_IRQ_VECTORS_LIMITS_H +#define _ASM_IRQ_VECTORS_LIMITS_H /* * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, @@ -11,4 +11,4 @@ #define NR_IRQS 224 #define NR_IRQ_VECTORS 1024 -#endif /* ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H */ +#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/mach-summit/mach_mpparse.h b/include/asm-x86/summit/mpparse.h similarity index 95% rename from include/asm-x86/mach-summit/mach_mpparse.h rename to include/asm-x86/summit/mpparse.h index 92396f28772b..013ce6fab2d5 100644 --- a/include/asm-x86/mach-summit/mach_mpparse.h +++ b/include/asm-x86/summit/mpparse.h @@ -1,7 +1,6 @@ -#ifndef ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H -#define ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H +#ifndef __ASM_SUMMIT_MPPARSE_H +#define __ASM_SUMMIT_MPPARSE_H -#include #include extern int use_cyclone; @@ -12,11 +11,11 @@ extern void setup_summit(void); #define setup_summit() {} #endif -static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, +static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid) { - if (!strncmp(oem, "IBM ENSW", 8) && - (!strncmp(productid, "VIGIL SMP", 9) + if (!strncmp(oem, "IBM ENSW", 8) && + (!strncmp(productid, "VIGIL SMP", 9) || !strncmp(productid, "EXA", 3) || !strncmp(productid, "RUTHLESS SMP", 12))){ mark_tsc_unstable("Summit based system"); @@ -107,4 +106,4 @@ static inline int is_WPEG(struct rio_detail *rio){ rio->type == LookOutAWPEG || rio->type == LookOutBWPEG); } -#endif /* ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H */ +#endif /* __ASM_SUMMIT_MPPARSE_H */ -- GitLab From edb181ac4b0c7c1240503da46349a3fb69af9ef6 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 02:17:55 -0700 Subject: [PATCH 0143/6244] x86: mach-numaq to numaq Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mach-generic/numaq.c | 10 +++++----- include/asm-x86/mach-numaq/mach_mpparse.h | 7 ------- .../asm-x86/{mach-numaq/mach_apic.h => numaq/apic.h} | 6 +++--- .../{mach-numaq/mach_apicdef.h => numaq/apicdef.h} | 6 +++--- include/asm-x86/{mach-numaq/mach_ipi.h => numaq/ipi.h} | 6 +++--- include/asm-x86/numaq/mpparse.h | 7 +++++++ .../{mach-numaq/mach_wakecpu.h => numaq/wakecpu.h} | 6 +++--- 7 files changed, 24 insertions(+), 24 deletions(-) delete mode 100644 include/asm-x86/mach-numaq/mach_mpparse.h rename include/asm-x86/{mach-numaq/mach_apic.h => numaq/apic.h} (96%) rename include/asm-x86/{mach-numaq/mach_apicdef.h => numaq/apicdef.h} (55%) rename include/asm-x86/{mach-numaq/mach_ipi.h => numaq/ipi.h} (77%) create mode 100644 include/asm-x86/numaq/mpparse.h rename include/asm-x86/{mach-numaq/mach_wakecpu.h => numaq/wakecpu.h} (88%) diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c index 95c07efff6b7..8cf58394975e 100644 --- a/arch/x86/mach-generic/numaq.c +++ b/arch/x86/mach-generic/numaq.c @@ -11,12 +11,12 @@ #include #include #include -#include +#include #include -#include -#include -#include -#include +#include +#include +#include +#include #include static int mps_oem_check(struct mp_config_table *mpc, char *oem, diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h deleted file mode 100644 index 74ade184920b..000000000000 --- a/include/asm-x86/mach-numaq/mach_mpparse.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H -#define ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H - -extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, - char *productid); - -#endif /* ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H */ diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/numaq/apic.h similarity index 96% rename from include/asm-x86/mach-numaq/mach_apic.h rename to include/asm-x86/numaq/apic.h index 7a0d39edfcfa..a8344ba6ea15 100644 --- a/include/asm-x86/mach-numaq/mach_apic.h +++ b/include/asm-x86/numaq/apic.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_NUMAQ__MACH_APIC_H -#define ASM_X86__MACH_NUMAQ__MACH_APIC_H +#ifndef __ASM_NUMAQ_APIC_H +#define __ASM_NUMAQ_APIC_H #include #include @@ -135,4 +135,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) return cpuid_apic >> index_msb; } -#endif /* ASM_X86__MACH_NUMAQ__MACH_APIC_H */ +#endif /* __ASM_NUMAQ_APIC_H */ diff --git a/include/asm-x86/mach-numaq/mach_apicdef.h b/include/asm-x86/numaq/apicdef.h similarity index 55% rename from include/asm-x86/mach-numaq/mach_apicdef.h rename to include/asm-x86/numaq/apicdef.h index f870ec5f7782..e012a46cc22a 100644 --- a/include/asm-x86/mach-numaq/mach_apicdef.h +++ b/include/asm-x86/numaq/apicdef.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_NUMAQ__MACH_APICDEF_H -#define ASM_X86__MACH_NUMAQ__MACH_APICDEF_H +#ifndef __ASM_NUMAQ_APICDEF_H +#define __ASM_NUMAQ_APICDEF_H #define APIC_ID_MASK (0xF<<24) @@ -11,4 +11,4 @@ static inline unsigned get_apic_id(unsigned long x) #define GET_APIC_ID(x) get_apic_id(x) -#endif /* ASM_X86__MACH_NUMAQ__MACH_APICDEF_H */ +#endif diff --git a/include/asm-x86/mach-numaq/mach_ipi.h b/include/asm-x86/numaq/ipi.h similarity index 77% rename from include/asm-x86/mach-numaq/mach_ipi.h rename to include/asm-x86/numaq/ipi.h index 1e835823f4bc..935588d286cf 100644 --- a/include/asm-x86/mach-numaq/mach_ipi.h +++ b/include/asm-x86/numaq/ipi.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_NUMAQ__MACH_IPI_H -#define ASM_X86__MACH_NUMAQ__MACH_IPI_H +#ifndef __ASM_NUMAQ_IPI_H +#define __ASM_NUMAQ_IPI_H void send_IPI_mask_sequence(cpumask_t, int vector); @@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector) send_IPI_mask(cpu_online_map, vector); } -#endif /* ASM_X86__MACH_NUMAQ__MACH_IPI_H */ +#endif /* __ASM_NUMAQ_IPI_H */ diff --git a/include/asm-x86/numaq/mpparse.h b/include/asm-x86/numaq/mpparse.h new file mode 100644 index 000000000000..252292e077b6 --- /dev/null +++ b/include/asm-x86/numaq/mpparse.h @@ -0,0 +1,7 @@ +#ifndef __ASM_NUMAQ_MPPARSE_H +#define __ASM_NUMAQ_MPPARSE_H + +extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, + char *productid); + +#endif /* __ASM_NUMAQ_MPPARSE_H */ diff --git a/include/asm-x86/mach-numaq/mach_wakecpu.h b/include/asm-x86/numaq/wakecpu.h similarity index 88% rename from include/asm-x86/mach-numaq/mach_wakecpu.h rename to include/asm-x86/numaq/wakecpu.h index 0db8cea643c0..c577bda5b1c5 100644 --- a/include/asm-x86/mach-numaq/mach_wakecpu.h +++ b/include/asm-x86/numaq/wakecpu.h @@ -1,5 +1,5 @@ -#ifndef ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H -#define ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H +#ifndef __ASM_NUMAQ_WAKECPU_H +#define __ASM_NUMAQ_WAKECPU_H /* This file copes with machines that wakeup secondary CPUs by NMIs */ @@ -40,4 +40,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) #define inquire_remote_apic(apicid) {} -#endif /* ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H */ +#endif /* __ASM_NUMAQ_WAKECPU_H */ -- GitLab From 39eacc20f93614f7bab63eb1d45060503afc46d0 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Fri, 25 Jul 2008 23:30:13 +0800 Subject: [PATCH 0144/6244] arch/x86/kernel/visws_quirks.c: Removed duplicated #include Removed duplicated #include in arch/x86/kernel/visws_quirks.c. asm/apic.h asm/arch_hooks.h asm/io.h asm/visws/cobalt.h asm/visws/lithium.h asm/visws/piix4.h linux/init.h linux/interrupt.h linux/smp.h Signed-off-by: Huang Weiyi Signed-off-by: Ingo Molnar --- arch/x86/kernel/visws_quirks.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 41e01b145c48..0c75691bcf5f 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -29,41 +29,26 @@ #include #include #include -#include #include #include #include "mach_apic.h" -#include -#include - #include -#include -#include -#include -#include #include #include -#include #include -#include #include #include -#include #include #include extern int no_broadcast; -#include #include -#include -#include -#include char visws_board_type = -1; char visws_board_rev = -1; -- GitLab From 9749986a878e91182ff027ff0010ab8e3211031a Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sat, 26 Jul 2008 17:28:11 +0200 Subject: [PATCH 0145/6244] x86: usb debug port early console, fix fix: arch/x86/kernel/built-in.o: In function `nvidia_set_debug_port': early_printk.c:(.text+0xf8b1): undefined reference to `read_pci_config' early_printk.c:(.text+0xf8dc): undefined reference to `write_pci_config' arch/x86/kernel/built-in.o: In function `setup_early_printk': early_printk.c:(.init.text+0x5487): undefined reference to `early_pci_allowed' early_printk.c:(.init.text+0x54cb): undefined reference to `read_pci_config' early_printk.c:(.init.text+0x54ec): undefined reference to `read_pci_config_16' [...] Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 93422d2ecf61..2a3dfbd5e677 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -46,7 +46,7 @@ config EARLY_PRINTK config EARLY_PRINTK_DBGP bool "Early printk via EHCI debug port" default n - depends on EARLY_PRINTK + depends on EARLY_PRINTK && PCI help Write kernel log output directly into the EHCI debug port. -- GitLab From b56afe1d41653fb07ab1b5af5ccc12001c4dd5a0 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Thu, 24 Jul 2008 12:15:45 -0300 Subject: [PATCH 0146/6244] x86, xen: Use native_pte_flags instead of native_pte_val for .pte_flags Using native_pte_val triggers the BUG_ON() in the paravirt_ops version of pte_flags(). Signed-off-by: Eduardo Habkost Acked-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 06219e60e9c8..e2767c28dac7 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1347,7 +1347,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = { .ptep_modify_prot_commit = __ptep_modify_prot_commit, .pte_val = xen_pte_val, - .pte_flags = native_pte_val, + .pte_flags = native_pte_flags, .pgd_val = xen_pgd_val, .make_pte = xen_make_pte, -- GitLab From 3964cd3a6721f18ef1dd67b9a0a89dc5b36683b9 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sat, 26 Jul 2008 19:35:20 +0200 Subject: [PATCH 0147/6244] x86: visws_quirks, fix build error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/kernel/visws_quirks.c: In function ‘visws_early_detect’: arch/x86/kernel/visws_quirks.c:290: error: ‘skip_ioapic_setup’ undeclared (first use in this function) arch/x86/kernel/visws_quirks.c:290: error: (Each undeclared identifier is reported only once arch/x86/kernel/visws_quirks.c:290: error: for each function it appears in.) Signed-off-by: Ingo Molnar --- arch/x86/kernel/visws_quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 0c75691bcf5f..3059eb45a915 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include -- GitLab From 36a033082b5243d45d508c5ccd47a754edbc6821 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 14 Mar 2008 17:46:38 -0700 Subject: [PATCH 0148/6244] x86: tracehook_signal_handler This makes the x86 signal handling code use tracehook_signal_handler() in place of calling into ptrace guts. The call is moved after the sa_mask processing, but there is no other change. This cleanup doesn't matter to existing debuggers, but is the sensible thing: have all facets of the handler setup complete before the debugger inspects the task again. Signed-off-by: Roland McGrath --- arch/x86/kernel/signal_32.c | 6 ++++-- arch/x86/kernel/signal_64.c | 6 ++++-- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 6fb5bcdd8933..22aae1683c14 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -558,8 +559,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, * handler too. */ regs->flags &= ~X86_EFLAGS_TF; - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); spin_lock_irq(¤t->sighand->siglock); sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); @@ -568,6 +567,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); + tracehook_signal_handler(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); + return 0; } diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index b45ef8ddd651..3beb2db88c5a 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -444,8 +445,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, * handler too. */ regs->flags &= ~X86_EFLAGS_TF; - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); spin_lock_irq(¤t->sighand->siglock); sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); @@ -453,6 +452,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, sigaddset(¤t->blocked,sig); recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); + + tracehook_signal_handler(sig, info, ka, regs, + test_thread_flag(TIF_SINGLESTEP)); } return ret; -- GitLab From eeea3c3ff8af7f6960a0515d46dff6479bdb91f9 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 16 Mar 2008 23:36:28 -0700 Subject: [PATCH 0149/6244] x86: tracehook syscall This changes x86 syscall tracing to use the new tracehook.h entry points. There is no change, only cleanup. Signed-off-by: Roland McGrath --- arch/x86/kernel/ptrace.c | 34 ++++++---------------------------- 1 file changed, 6 insertions(+), 28 deletions(-) diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index e37dccce85db..19a7d2c40560 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -1375,30 +1376,6 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code) force_sig_info(SIGTRAP, &info, tsk); } -static void syscall_trace(struct pt_regs *regs) -{ - if (!(current->ptrace & PT_PTRACED)) - return; - -#if 0 - printk("trace %s ip %lx sp %lx ax %d origrax %d caller %lx tiflags %x ptrace %x\n", - current->comm, - regs->ip, regs->sp, regs->ax, regs->orig_ax, __builtin_return_address(0), - current_thread_info()->flags, current->ptrace); -#endif - - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } -} #ifdef CONFIG_X86_32 # define IS_IA32 1 @@ -1432,8 +1409,9 @@ asmregparm long syscall_trace_enter(struct pt_regs *regs) if (unlikely(test_thread_flag(TIF_SYSCALL_EMU))) ret = -1L; - if (ret || test_thread_flag(TIF_SYSCALL_TRACE)) - syscall_trace(regs); + if ((ret || test_thread_flag(TIF_SYSCALL_TRACE)) && + tracehook_report_syscall_entry(regs)) + ret = -1L; if (unlikely(current->audit_context)) { if (IS_IA32) @@ -1459,7 +1437,7 @@ asmregparm void syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(AUDITSC_RESULT(regs->ax), regs->ax); if (test_thread_flag(TIF_SYSCALL_TRACE)) - syscall_trace(regs); + tracehook_report_syscall_exit(regs, 0); /* * If TIF_SYSCALL_EMU is set, we only get here because of @@ -1475,6 +1453,6 @@ asmregparm void syscall_trace_leave(struct pt_regs *regs) * system call instruction. */ if (test_thread_flag(TIF_SINGLESTEP) && - (current->ptrace & PT_PTRACED)) + tracehook_consider_fatal_signal(current, SIGTRAP, SIG_DFL)) send_sigtrap(current, regs, 0); } -- GitLab From 68bd0f4ef7750fc277e1268bf40f443898382409 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 18 Apr 2008 17:08:44 -0700 Subject: [PATCH 0150/6244] x86: tracehook: asm/syscall.h Add asm/syscall.h for x86 with all the required entry points. This will allow arch-independent tracing code for system calls. Signed-off-by: Roland McGrath --- include/asm-x86/ptrace.h | 5 + include/asm-x86/syscall.h | 210 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 215 insertions(+) create mode 100644 include/asm-x86/syscall.h diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index 8a71db803da6..91a77f5c4678 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -213,6 +213,11 @@ static inline unsigned long frame_pointer(struct pt_regs *regs) return regs->bp; } +static inline unsigned long user_stack_pointer(struct pt_regs *regs) +{ + return regs->sp; +} + /* * These are defined as per linux/ptrace.h, which see. */ diff --git a/include/asm-x86/syscall.h b/include/asm-x86/syscall.h new file mode 100644 index 000000000000..6f293892895a --- /dev/null +++ b/include/asm-x86/syscall.h @@ -0,0 +1,210 @@ +/* + * Access to user system call parameters and results + * + * Copyright (C) 2008 Red Hat, Inc. All rights reserved. + * + * This copyrighted material is made available to anyone wishing to use, + * modify, copy, or redistribute it subject to the terms and conditions + * of the GNU General Public License v.2. + * + * See asm-generic/syscall.h for descriptions of what we must do here. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H 1 + +#include + +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + /* + * We always sign-extend a -1 value being set here, + * so this is always either -1L or a syscall number. + */ + return regs->orig_ax; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->ax = regs->orig_ax; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->ax; +#ifdef CONFIG_IA32_EMULATION + /* + * TS_COMPAT is set for 32-bit syscall entries and then + * remains set until we return to user mode. + */ + if (task_thread_info(task)->status & TS_COMPAT) + /* + * Sign-extend the value so (int)-EFOO becomes (long)-EFOO + * and will match correctly in comparisons. + */ + error = (long) (int) error; +#endif + return error >= -4095L ? error : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->ax; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + regs->ax = (long) error ?: val; +} + +#ifdef CONFIG_X86_32 + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(args, ®s->bx + i, n * sizeof(args[0])); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(®s->bx + i, args, n * sizeof(args[0])); +} + +#else /* CONFIG_X86_64 */ + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ +# ifdef CONFIG_IA32_EMULATION + if (task_thread_info(task)->status & TS_COMPAT) + switch (i + n) { + case 6: + if (!n--) break; + *args++ = regs->bp; + case 5: + if (!n--) break; + *args++ = regs->di; + case 4: + if (!n--) break; + *args++ = regs->si; + case 3: + if (!n--) break; + *args++ = regs->dx; + case 2: + if (!n--) break; + *args++ = regs->cx; + case 1: + if (!n--) break; + *args++ = regs->bx; + case 0: + if (!n--) break; + default: + BUG(); + break; + } + else +# endif + switch (i + n) { + case 6: + if (!n--) break; + *args++ = regs->r9; + case 5: + if (!n--) break; + *args++ = regs->r8; + case 4: + if (!n--) break; + *args++ = regs->r10; + case 3: + if (!n--) break; + *args++ = regs->dx; + case 2: + if (!n--) break; + *args++ = regs->si; + case 1: + if (!n--) break; + *args++ = regs->di; + case 0: + if (!n--) break; + default: + BUG(); + break; + } +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ +# ifdef CONFIG_IA32_EMULATION + if (task_thread_info(task)->status & TS_COMPAT) + switch (i + n) { + case 6: + if (!n--) break; + regs->bp = *args++; + case 5: + if (!n--) break; + regs->di = *args++; + case 4: + if (!n--) break; + regs->si = *args++; + case 3: + if (!n--) break; + regs->dx = *args++; + case 2: + if (!n--) break; + regs->cx = *args++; + case 1: + if (!n--) break; + regs->bx = *args++; + case 0: + if (!n--) break; + default: + BUG(); + } + else +# endif + switch (i + n) { + case 6: + if (!n--) break; + regs->r9 = *args++; + case 5: + if (!n--) break; + regs->r8 = *args++; + case 4: + if (!n--) break; + regs->r10 = *args++; + case 3: + if (!n--) break; + regs->dx = *args++; + case 2: + if (!n--) break; + regs->si = *args++; + case 1: + if (!n--) break; + regs->di = *args++; + case 0: + if (!n--) break; + default: + BUG(); + } +} + +#endif /* CONFIG_X86_32 */ + +#endif /* _ASM_SYSCALL_H */ -- GitLab From 4dfcbb997aa9f3a6a3ed8c192f0dac28b027e08f Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 19 Apr 2008 15:37:09 -0700 Subject: [PATCH 0151/6244] x86 signals: use asm/syscall.h Replace local inlines with the asm/syscall.h interfaces that do the same things. Signed-off-by: Roland McGrath --- arch/x86/kernel/signal_64.c | 38 +++++-------------------------------- 1 file changed, 5 insertions(+), 33 deletions(-) diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 3beb2db88c5a..cb7cf0216ab7 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -27,6 +27,7 @@ #include #include #include +#include #include "sigframe.h" #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) @@ -346,35 +347,6 @@ give_sigsegv: return -EFAULT; } -/* - * Return -1L or the syscall number that @regs is executing. - */ -static long current_syscall(struct pt_regs *regs) -{ - /* - * We always sign-extend a -1 value being set here, - * so this is always either -1L or a syscall number. - */ - return regs->orig_ax; -} - -/* - * Return a value that is -EFOO if the system call in @regs->orig_ax - * returned an error. This only works for @regs from @current. - */ -static long current_syscall_ret(struct pt_regs *regs) -{ -#ifdef CONFIG_IA32_EMULATION - if (test_thread_flag(TIF_IA32)) - /* - * Sign-extend the value so (int)-EFOO becomes (long)-EFOO - * and will match correctly in comparisons. - */ - return (int) regs->ax; -#endif - return regs->ax; -} - /* * OK, we're invoking a handler */ @@ -386,9 +358,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, int ret; /* Are we from a system call? */ - if (current_syscall(regs) >= 0) { + if (syscall_get_nr(current, regs) >= 0) { /* If so, check system call restarting.. */ - switch (current_syscall_ret(regs)) { + switch (syscall_get_error(current, regs)) { case -ERESTART_RESTARTBLOCK: case -ERESTARTNOHAND: regs->ax = -EINTR; @@ -511,9 +483,9 @@ static void do_signal(struct pt_regs *regs) } /* Did we come from a system call? */ - if (current_syscall(regs) >= 0) { + if (syscall_get_nr(current, regs) >= 0) { /* Restart the system call - no handlers present */ - switch (current_syscall_ret(regs)) { + switch (syscall_get_error(current, regs)) { case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: -- GitLab From 59e52130f04537d2c80ea44bb007cadd1ad29543 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 19 Apr 2008 19:10:57 -0700 Subject: [PATCH 0152/6244] x86: tracehook: TIF_NOTIFY_RESUME This adds TIF_NOTIFY_RESUME support for x86, both 64-bit and 32-bit. When set, we call tracehook_notify_resume() on the way to user mode. Signed-off-by: Roland McGrath --- arch/x86/kernel/signal_32.c | 5 +++++ arch/x86/kernel/signal_64.c | 5 +++++ include/asm-x86/thread_info.h | 4 +++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 22aae1683c14..4445d26efd47 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -663,5 +663,10 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags) if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs); + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } + clear_thread_flag(TIF_IRET); } diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index cb7cf0216ab7..d01e3f6ef26d 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -523,6 +523,11 @@ void do_notify_resume(struct pt_regs *regs, void *unused, /* deal with pending signal delivery */ if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs); + + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } } void signal_fault(struct pt_regs *regs, void __user *frame, char *where) diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h index da0a675adf94..4cd5b7bdc8cc 100644 --- a/include/asm-x86/thread_info.h +++ b/include/asm-x86/thread_info.h @@ -71,6 +71,7 @@ struct thread_info { * Warning: layout of LSW is hardcoded in entry.S */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* reenable singlestep on user return*/ @@ -93,6 +94,7 @@ struct thread_info { #define TIF_BTS_TRACE_TS 27 /* record scheduling event timestamps */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) @@ -133,7 +135,7 @@ struct thread_info { /* Only used for 64 bit */ #define _TIF_DO_NOTIFY_MASK \ - (_TIF_SIGPENDING|_TIF_MCE_NOTIFY) + (_TIF_SIGPENDING|_TIF_MCE_NOTIFY|_TIF_NOTIFY_RESUME) /* flags to check in __switch_to() */ #define _TIF_WORK_CTXSW \ -- GitLab From 99bbc4b1e677ac695431e8d9c8e710ef391c567f Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 20 Apr 2008 14:35:12 -0700 Subject: [PATCH 0153/6244] x86: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK The x86 arch code has all the prerequisites, so set HAVE_ARCH_TRACEHOOK. Signed-off-by: Roland McGrath --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b6fa2877b173..f463a8a3b21f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -30,6 +30,7 @@ config X86 select HAVE_FTRACE select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64) select HAVE_ARCH_KGDB if !X86_VOYAGER + select HAVE_ARCH_TRACEHOOK select HAVE_EFFICIENT_UNALIGNED_ACCESS config ARCH_DEFCONFIG -- GitLab From d25ae38b7e005af03843833bbd811ffe8c5f8cb4 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 25 Jul 2008 19:39:03 -0700 Subject: [PATCH 0154/6244] x86: add apic probe for genapic 64bit - fix intr_remapping_enabled get assigned later, so need to check that in setup_apic_routing Signed-off-by: Yinghai Lu Cc: Jack Steiner Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/genapic_64.c | 6 ++++++ arch/x86/kernel/genx2apic_cluster.c | 2 +- arch/x86/kernel/genx2apic_phys.c | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index b3ba969c50d2..6c9bfc9e1e95 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -42,6 +43,11 @@ static struct genapic *apic_probe[] __initdata = { */ void __init setup_apic_routing(void) { + if (genapic == &apic_x2apic_phys || genapic == &apic_x2apic_cluster) { + if (!intr_remapping_enabled) + genapic = &apic_flat; + } + if (genapic == &apic_flat) { if (max_physical_apicid >= 8) genapic = &apic_physflat; diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c index ef3f3182d50a..fed9f68efd66 100644 --- a/arch/x86/kernel/genx2apic_cluster.c +++ b/arch/x86/kernel/genx2apic_cluster.c @@ -14,7 +14,7 @@ DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid); static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - if (cpu_has_x2apic && intr_remapping_enabled) + if (cpu_has_x2apic) return 1; return 0; diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c index 3229c68aedd4..958d537b4cc9 100644 --- a/arch/x86/kernel/genx2apic_phys.c +++ b/arch/x86/kernel/genx2apic_phys.c @@ -21,7 +21,7 @@ early_param("x2apic_phys", set_x2apic_phys_mode); static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - if (cpu_has_x2apic && intr_remapping_enabled && x2apic_phys) + if (cpu_has_x2apic && x2apic_phys) return 1; return 0; -- GitLab From b38addb2da26c0eeab5b538cfbd9d306c50a4726 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Mon, 28 Jul 2008 10:19:39 +0200 Subject: [PATCH 0155/6244] ALSA: usb-audio: add BOSS GT-10 support Add a quirk entry for the BOSS GT-10. Signed-off-by: Clemens Ladisch --- sound/usb/usbquirks.h | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index 9ea726c049c6..3f68359d4942 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -1383,7 +1383,6 @@ YAMAHA_DEVICE(0x7010, "UB99"), } } }, - { /* Roland SonicCell */ USB_DEVICE(0x0582, 0x00c2), @@ -1415,7 +1414,35 @@ YAMAHA_DEVICE(0x7010, "UB99"), } } }, - +{ + /* BOSS GT-10 */ + USB_DEVICE(0x0582, 0x00da), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, /* Guillemot devices */ { -- GitLab From d0513fc6c37b009004cf5c7a8e90af0adb3755bc Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Sun, 27 Jul 2008 10:30:30 +0200 Subject: [PATCH 0156/6244] ALSA: hda: added 92HD81/83 support Added support for 92HD81/83 family of codecs. This also includes a pwr_mapping array for pins that have more than one amp to power down. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.h | 1 + sound/pci/hda/patch_sigmatel.c | 248 ++++++++++++++++++++++++++++++--- 2 files changed, 227 insertions(+), 22 deletions(-) diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 3a63c445d36b..2f112626f244 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -121,6 +121,7 @@ enum { #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1 0x71d #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2 0x71e #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3 0x71f +#define AC_VERB_SET_EAPD 0x788 #define AC_VERB_SET_CODEC_RESET 0x7ff /* diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 6ee73ed23ddd..23a7b2228e3c 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -71,6 +71,11 @@ enum { STAC_92HD73XX_MODELS }; +enum { + STAC_92HD83XXX_REF, + STAC_92HD83XXX_MODELS +}; + enum { STAC_92HD71BXX_REF, STAC_DELL_M4_1, @@ -145,6 +150,7 @@ struct sigmatel_spec { /* power management */ unsigned int num_pwrs; + unsigned int *pwr_mapping; hda_nid_t *pwr_nids; hda_nid_t *dac_list; @@ -240,6 +246,33 @@ static hda_nid_t stac92hd73xx_dmux_nids[2] = { 0x20, 0x21, }; +#define STAC92HD83XXX_NUM_DMICS 2 +static hda_nid_t stac92hd83xxx_dmic_nids[STAC92HD83XXX_NUM_DMICS + 1] = { + 0x11, 0x12, 0 +}; + +#define STAC92HD81_DAC_COUNT 2 +#define STAC92HD83_DAC_COUNT 3 +static hda_nid_t stac92hd83xxx_dac_nids[STAC92HD73_DAC_COUNT] = { + 0x13, 0x14, 0x22, +}; + +static hda_nid_t stac92hd83xxx_dmux_nids[2] = { + 0x17, 0x18, +}; + +static hda_nid_t stac92hd83xxx_adc_nids[2] = { + 0x15, 0x16, +}; + +static hda_nid_t stac92hd83xxx_pwr_nids[4] = { + 0xa, 0xb, 0xd, 0xe, +}; + +static unsigned int stac92hd83xxx_pwr_mapping[4] = { + 0x03, 0x0c, 0x10, 0x40, +}; + static hda_nid_t stac92hd71bxx_pwr_nids[3] = { 0x0a, 0x0d, 0x0f }; @@ -353,6 +386,11 @@ static hda_nid_t stac92hd73xx_pin_nids[13] = { 0x14, 0x1e, 0x22 }; +static hda_nid_t stac92hd83xxx_pin_nids[14] = { + 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, + 0x0f, 0x10, 0x11, 0x12, 0x13, + 0x1d, 0x1e, 0x1f, 0x20 +}; static hda_nid_t stac92hd71bxx_pin_nids[10] = { 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x14, 0x18, 0x19, 0x1e, @@ -631,6 +669,19 @@ static struct hda_verb stac92hd73xx_10ch_core_init[] = { {} }; +static struct hda_verb stac92hd83xxx_core_init[] = { + /* start of config #1 */ + { 0xe, AC_VERB_SET_CONNECT_SEL, 0x3}, + + /* start of config #2 */ + { 0xa, AC_VERB_SET_CONNECT_SEL, 0x0}, + { 0xb, AC_VERB_SET_CONNECT_SEL, 0x0}, + { 0xd, AC_VERB_SET_CONNECT_SEL, 0x1}, + + /* power state controls amps */ + { 0x01, AC_VERB_SET_EAPD, 1 << 2}, +}; + static struct hda_verb stac92hd71bxx_core_init[] = { /* set master volume and direct control */ { 0x28, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff}, @@ -701,6 +752,8 @@ static struct hda_verb stac927x_core_init[] = { static struct hda_verb stac9205_core_init[] = { /* set master volume and direct control */ { 0x24, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff}, + /* enable analog pc beep path */ + { 0x01, AC_VERB_SET_DIGI_CONVERT_2, 1 << 5}, {} }; @@ -823,6 +876,33 @@ static struct snd_kcontrol_new stac92hd73xx_10ch_mixer[] = { { } /* end */ }; + +static struct snd_kcontrol_new stac92hd83xxx_mixer[] = { + HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x17, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x17, 0x0, HDA_OUTPUT), + + HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x18, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x18, 0x0, HDA_OUTPUT), + + HDA_CODEC_VOLUME("DAC0 Capture Volume", 0x1b, 0, HDA_INPUT), + HDA_CODEC_MUTE("DAC0 Capture Switch", 0x1b, 0, HDA_INPUT), + + HDA_CODEC_VOLUME("DAC1 Capture Volume", 0x1b, 0x1, HDA_INPUT), + HDA_CODEC_MUTE("DAC1 Capture Switch", 0x1b, 0x1, HDA_INPUT), + + HDA_CODEC_VOLUME("Front Mic Capture Volume", 0x1b, 0x2, HDA_INPUT), + HDA_CODEC_MUTE("Front Mic Capture Switch", 0x1b, 0x2, HDA_INPUT), + + HDA_CODEC_VOLUME("Line In Capture Volume", 0x1b, 0x3, HDA_INPUT), + HDA_CODEC_MUTE("Line In Capture Switch", 0x1b, 0x3, HDA_INPUT), + + /* + HDA_CODEC_VOLUME("Mic Capture Volume", 0x1b, 0x4, HDA_INPUT), + HDA_CODEC_MUTE("Mic Capture Switch", 0x1b 0x4, HDA_INPUT), + */ + { } /* end */ +}; + static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { STAC_INPUT_SOURCE(2), @@ -1333,6 +1413,27 @@ static struct snd_pci_quirk stac92hd73xx_cfg_tbl[] = { {} /* terminator */ }; +static unsigned int ref92hd83xxx_pin_configs[14] = { + 0x02214030, 0x02211010, 0x02a19020, 0x02170130, + 0x01014050, 0x01819040, 0x01014020, 0x90a3014e, + 0x40f000f0, 0x40f000f0, 0x40f000f0, 0x40f000f0, + 0x01451160, 0x98560170, +}; + +static unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = { + [STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs, +}; + +static const char *stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = { + [STAC_92HD83XXX_REF] = "ref", +}; + +static struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { + /* SigmaTel reference board */ + SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x2668, + "DFI LanParty", STAC_92HD71BXX_REF), +}; + static unsigned int ref92hd71bxx_pin_configs[10] = { 0x02214030, 0x02a19040, 0x01a19020, 0x01014010, 0x0181302e, 0x01114010, 0x01019020, 0x90a000f0, @@ -2587,8 +2688,8 @@ static int stac92xx_auto_create_hp_ctls(struct hda_codec *codec, } /* labels for mono mux outputs */ -static const char *stac92xx_mono_labels[3] = { - "DAC0", "DAC1", "Mixer" +static const char *stac92xx_mono_labels[4] = { + "DAC0", "DAC1", "Mixer", "DAC2" }; /* create mono mux for mono out on capable codecs */ @@ -2692,16 +2793,19 @@ static int stac92xx_auto_create_dmic_input_ctls(struct hda_codec *codec, } continue; found: - wcaps = get_wcaps(codec, nid); + wcaps = get_wcaps(codec, nid) & + (AC_WCAP_OUT_AMP | AC_WCAP_IN_AMP); - if (wcaps & AC_WCAP_OUT_AMP) { + if (wcaps) { sprintf(name, "%s Capture Volume", stac92xx_dmic_labels[dimux->num_items]); err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, name, - HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT)); + HDA_COMPOSE_AMP_VAL(nid, 3, 0, + (wcaps & AC_WCAP_OUT_AMP) ? + HDA_OUTPUT : HDA_INPUT)); if (err < 0) return err; } @@ -2825,8 +2929,8 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out hp_speaker_swap = 1; } if (spec->autocfg.mono_out_pin) { - int dir = (get_wcaps(codec, spec->autocfg.mono_out_pin) - & AC_WCAP_OUT_AMP) ? HDA_OUTPUT : HDA_INPUT; + int dir = get_wcaps(codec, spec->autocfg.mono_out_pin) & + (AC_WCAP_OUT_AMP | AC_WCAP_IN_AMP); u32 caps = query_amp_caps(codec, spec->autocfg.mono_out_pin, dir); hda_nid_t conn_list[1]; @@ -2848,21 +2952,26 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out !(wcaps & AC_WCAP_LR_SWAP)) spec->mono_nid = conn_list[0]; } - /* all mono outs have a least a mute/unmute switch */ - err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, - "Mono Playback Switch", - HDA_COMPOSE_AMP_VAL(spec->autocfg.mono_out_pin, - 1, 0, dir)); - if (err < 0) - return err; - /* check to see if there is volume support for the amp */ - if ((caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT) { - err = stac92xx_add_control(spec, STAC_CTL_WIDGET_VOL, - "Mono Playback Volume", - HDA_COMPOSE_AMP_VAL(spec->autocfg.mono_out_pin, - 1, 0, dir)); + if (dir) { + hda_nid_t nid = spec->autocfg.mono_out_pin; + + /* most mono outs have a least a mute/unmute switch */ + dir = (dir & AC_WCAP_OUT_AMP) ? HDA_OUTPUT : HDA_INPUT; + err = stac92xx_add_control(spec, STAC_CTL_WIDGET_MUTE, + "Mono Playback Switch", + HDA_COMPOSE_AMP_VAL(nid, 1, 0, dir)); if (err < 0) return err; + /* check for volume support for the amp */ + if ((caps & AC_AMPCAP_NUM_STEPS) + >> AC_AMPCAP_NUM_STEPS_SHIFT) { + err = stac92xx_add_control(spec, + STAC_CTL_WIDGET_VOL, + "Mono Playback Volume", + HDA_COMPOSE_AMP_VAL(nid, 1, 0, dir)); + if (err < 0) + return err; + } } stac92xx_auto_set_pinctl(codec, spec->autocfg.mono_out_pin, @@ -2942,7 +3051,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = dig_out; - if (spec->autocfg.dig_in_pin) + if (dig_in && spec->autocfg.dig_in_pin) spec->dig_in_nid = dig_in; if (spec->kctl_alloc) @@ -3338,7 +3447,12 @@ static void stac92xx_pin_sense(struct hda_codec *codec, int idx) val = snd_hda_codec_read(codec, codec->afg, 0, 0x0fec, 0x0) & 0x000000ff; presence = get_hp_pin_presence(codec, nid); - idx = 1 << idx; + + /* several codecs have two power down bits */ + if (spec->pwr_mapping) + idx = spec->pwr_mapping[idx]; + else + idx = 1 << idx; if (presence) val &= ~idx; @@ -3674,6 +3788,94 @@ again: return 0; } +static struct hda_input_mux stac92hd83xxx_dmux = { + .num_items = 3, + .items = { + { "Analog Inputs", 0x03 }, + { "Digital Mic 1", 0x04 }, + { "Digital Mic 2", 0x05 }, + } +}; + +static int patch_stac92hd83xxx(struct hda_codec *codec) +{ + struct sigmatel_spec *spec; + int err; + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (spec == NULL) + return -ENOMEM; + + codec->spec = spec; + spec->mono_nid = 0x19; + spec->digbeep_nid = 0x21; + spec->dmic_nids = stac92hd83xxx_dmic_nids; + spec->dmux_nids = stac92hd83xxx_dmux_nids; + spec->adc_nids = stac92hd83xxx_adc_nids; + spec->pwr_nids = stac92hd83xxx_pwr_nids; + spec->pwr_mapping = stac92hd83xxx_pwr_mapping; + spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids); + spec->multiout.dac_nids = stac92hd83xxx_dac_nids; + + spec->init = stac92hd83xxx_core_init; + switch (codec->vendor_id) { + case 0x111d7605: + spec->multiout.num_dacs = STAC92HD81_DAC_COUNT; + break; + default: + spec->num_pwrs--; + spec->init++; /* switch to config #2 */ + spec->multiout.num_dacs = STAC92HD83_DAC_COUNT; + } + + spec->mixer = stac92hd83xxx_mixer; + spec->num_pins = ARRAY_SIZE(stac92hd83xxx_pin_nids); + spec->num_dmuxes = ARRAY_SIZE(stac92hd83xxx_dmux_nids); + spec->num_adcs = ARRAY_SIZE(stac92hd83xxx_adc_nids); + spec->num_dmics = STAC92HD83XXX_NUM_DMICS; + spec->dinput_mux = &stac92hd83xxx_dmux; + spec->pin_nids = stac92hd83xxx_pin_nids; + spec->board_config = snd_hda_check_board_config(codec, + STAC_92HD83XXX_MODELS, + stac92hd83xxx_models, + stac92hd83xxx_cfg_tbl); +again: + if (spec->board_config < 0) { + snd_printdd(KERN_INFO "hda_codec: Unknown model for" + " STAC92HD83XXX, using BIOS defaults\n"); + err = stac92xx_save_bios_config_regs(codec); + if (err < 0) { + stac92xx_free(codec); + return err; + } + spec->pin_configs = spec->bios_pin_configs; + } else { + spec->pin_configs = stac92hd83xxx_brd_tbl[spec->board_config]; + stac92xx_set_config_regs(codec); + } + + err = stac92xx_parse_auto_config(codec, 0x1d, 0); + if (!err) { + if (spec->board_config < 0) { + printk(KERN_WARNING "hda_codec: No auto-config is " + "available, default to model=ref\n"); + spec->board_config = STAC_92HD83XXX_REF; + goto again; + } + err = -EINVAL; + } + + if (err < 0) { + stac92xx_free(codec); + return err; + } + + codec->patch_ops = stac92xx_patch_ops; + + return 0; +} + + static int patch_stac92hd71bxx(struct hda_codec *codec) { struct sigmatel_spec *spec; @@ -4395,6 +4597,8 @@ struct hda_codec_preset snd_hda_preset_sigmatel[] = { { .id = 0x838476a6, .name = "STAC9254", .patch = patch_stac9205 }, { .id = 0x838476a7, .name = "STAC9254D", .patch = patch_stac9205 }, { .id = 0x111d7603, .name = "92HD75B3X5", .patch = patch_stac92hd71bxx}, + { .id = 0x111d7604, .name = "92HD83C1X5", .patch = patch_stac92hd83xxx}, + { .id = 0x111d7605, .name = "92HD81B1X5", .patch = patch_stac92hd83xxx}, { .id = 0x111d7608, .name = "92HD75B2X5", .patch = patch_stac92hd71bxx}, { .id = 0x111d7674, .name = "92HD73D1X5", .patch = patch_stac92hd73xx }, { .id = 0x111d7675, .name = "92HD73C1X5", .patch = patch_stac92hd73xx }, -- GitLab From 64f53a0492b4bc11868307990bb8f7c1e0764f89 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 27 Jul 2008 08:42:32 -0700 Subject: [PATCH 0157/6244] x86: fix initialization of 'l' bit in ldt descriptors Make sure that fill_ldt() initializes the 'l' bit in the descriptor. It always sets it to 0, ignoring 'lm' in user_desc, preserving original x86_64 behaviour. Previously it was leaving 'l' uninitialized. Signed-off-by: Jeremy Fitzhardinge Cc: Glauber de Oliveira Costa Signed-off-by: Ingo Molnar Cc: Glauber de Oliveira Costa --- include/asm-x86/desc.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index 24a524f5e1a2..06f786f4b4fb 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -24,6 +24,11 @@ static inline void fill_ldt(struct desc_struct *desc, desc->d = info->seg_32bit; desc->g = info->limit_in_pages; desc->base2 = (info->base_addr & 0xff000000) >> 24; + /* + * Don't allow setting of the lm bit. It is useless anyway + * because 64bit system calls require __USER_CS: + */ + desc->l = 0; } extern struct desc_ptr idt_descr; -- GitLab From a05d2ebab28011c2f3f520833f4bfdd2fd1b9c02 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 27 Jul 2008 08:45:02 -0700 Subject: [PATCH 0158/6244] xen: fix allocation and use of large ldts When the ldt gets to more than 1 page in size, the kernel uses vmalloc to allocate it. This means that: - when making the ldt RO, we must update the pages in both the vmalloc mapping and the linear mapping to make sure there are no RW aliases. - we need to use arbitrary_virt_to_machine to compute the machine addr for each update Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 51 ++++++++++++++++++++++++++++++++-------- 1 file changed, 41 insertions(+), 10 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index e2767c28dac7..b011e4a5dbbe 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -325,24 +325,55 @@ static unsigned long xen_store_tr(void) return 0; } +/* + * If 'v' is a vmalloc mapping, then find the linear mapping of the + * page (if any) and also set its protections to match: + */ +static void set_aliased_prot(void *v, pgprot_t prot) +{ + int level; + pte_t *ptep; + pte_t pte; + unsigned long pfn; + struct page *page; + + ptep = lookup_address((unsigned long)v, &level); + BUG_ON(ptep == NULL); + + pfn = pte_pfn(*ptep); + page = pfn_to_page(pfn); + + pte = pfn_pte(pfn, prot); + + if (HYPERVISOR_update_va_mapping((unsigned long)v, pte, 0)) + BUG(); + + if (!PageHighMem(page)) { + void *av = __va(PFN_PHYS(pfn)); + + if (av != v) + if (HYPERVISOR_update_va_mapping((unsigned long)av, pte, 0)) + BUG(); + } else + kmap_flush_unused(); +} + static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) { - unsigned pages = roundup(entries * LDT_ENTRY_SIZE, PAGE_SIZE); - void *v = ldt; + const unsigned entries_per_page = PAGE_SIZE / LDT_ENTRY_SIZE; int i; - for(i = 0; i < pages; i += PAGE_SIZE) - make_lowmem_page_readonly(v + i); + for(i = 0; i < entries; i += entries_per_page) + set_aliased_prot(ldt + i, PAGE_KERNEL_RO); } static void xen_free_ldt(struct desc_struct *ldt, unsigned entries) { - unsigned pages = roundup(entries * LDT_ENTRY_SIZE, PAGE_SIZE); - void *v = ldt; + const unsigned entries_per_page = PAGE_SIZE / LDT_ENTRY_SIZE; int i; - for(i = 0; i < pages; i += PAGE_SIZE) - make_lowmem_page_readwrite(v + i); + for(i = 0; i < entries; i += entries_per_page) + set_aliased_prot(ldt + i, PAGE_KERNEL); } static void xen_set_ldt(const void *addr, unsigned entries) @@ -446,7 +477,7 @@ static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum, const void *ptr) { unsigned long lp = (unsigned long)&dt[entrynum]; - xmaddr_t mach_lp = virt_to_machine(lp); + xmaddr_t mach_lp = arbitrary_virt_to_machine(lp); u64 entry = *(u64 *)ptr; preempt_disable(); @@ -579,7 +610,7 @@ static void xen_write_gdt_entry(struct desc_struct *dt, int entry, } static void xen_load_sp0(struct tss_struct *tss, - struct thread_struct *thread) + struct thread_struct *thread) { struct multicall_space mcs = xen_mc_entry(0); MULTI_stack_switch(mcs.mc, __KERNEL_DS, thread->sp0); -- GitLab From 7225e75144b9718cbbe1820d9c011c809d5773fd Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sat, 26 Jul 2008 17:54:22 -0700 Subject: [PATCH 0159/6244] documentation: move mtrr.txt to Doc/x86/ subdir Move mtrr.txt to the Documentation/x86/ subdirectory. Add 00-INDEX to the Documentation/x86/ subdirectory. Signed-off-by: Randy Dunlap Cc: Adrian Bunk Signed-off-by: Ingo Molnar --- Documentation/00-INDEX | 2 -- Documentation/x86/00-INDEX | 4 ++++ Documentation/{ => x86}/mtrr.txt | 4 ++-- arch/x86/Kconfig | 2 +- 4 files changed, 7 insertions(+), 5 deletions(-) create mode 100644 Documentation/x86/00-INDEX rename Documentation/{ => x86}/mtrr.txt (99%) diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index 1977fab38656..661b6ccfe180 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -253,8 +253,6 @@ mono.txt - how to execute Mono-based .NET binaries with the help of BINFMT_MISC. moxa-smartio - file with info on installing/using Moxa multiport serial driver. -mtrr.txt - - how to use PPro Memory Type Range Registers to increase performance. mutex-design.txt - info on the generic mutex subsystem. namespaces/ diff --git a/Documentation/x86/00-INDEX b/Documentation/x86/00-INDEX new file mode 100644 index 000000000000..dbe3377754af --- /dev/null +++ b/Documentation/x86/00-INDEX @@ -0,0 +1,4 @@ +00-INDEX + - this file +mtrr.txt + - how to use x86 Memory Type Range Registers to increase performance diff --git a/Documentation/mtrr.txt b/Documentation/x86/mtrr.txt similarity index 99% rename from Documentation/mtrr.txt rename to Documentation/x86/mtrr.txt index c39ac395970e..cc071dc333c2 100644 --- a/Documentation/mtrr.txt +++ b/Documentation/x86/mtrr.txt @@ -18,7 +18,7 @@ Richard Gooch The AMD K6-2 (stepping 8 and above) and K6-3 processors have two MTRRs. These are supported. The AMD Athlon family provide 8 Intel style MTRRs. - + The Centaur C6 (WinChip) has 8 MCRs, allowing write-combining. These are supported. @@ -87,7 +87,7 @@ reg00: base=0x00000000 ( 0MB), size= 64MB: write-back, count=1 reg01: base=0xfb000000 (4016MB), size= 16MB: write-combining, count=1 reg02: base=0xfb000000 (4016MB), size= 4kB: uncachable, count=1 -Some cards (especially Voodoo Graphics boards) need this 4 kB area +Some cards (especially Voodoo Graphics boards) need this 4 kB area excluded from the beginning of the region because it is used for registers. diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 03980cb04291..06f935469d0b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1131,7 +1131,7 @@ config MTRR You can safely say Y even if your machine doesn't have MTRRs, you'll just add about 9 KB to your kernel. - See for more information. + See for more information. config MTRR_SANITIZER bool -- GitLab From d974ae379a2fbe8948f01eabbc6b19c0a80f09bc Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 24 Jul 2008 16:27:46 -0700 Subject: [PATCH 0160/6244] generic, memparse(): constify argument memparse()'s first argument can be const, so it should be. Signed-off-by: Jeremy Fitzhardinge Cc: Andrew Morton Signed-off-by: Ingo Molnar --- include/linux/kernel.h | 2 +- lib/cmdline.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index fdbbf72ca2eb..7889c2f9b75d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -176,7 +176,7 @@ extern int vsscanf(const char *, const char *, va_list) extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); -extern unsigned long long memparse(char *ptr, char **retptr); +extern unsigned long long memparse(const char *ptr, char **retptr); extern int core_kernel_text(unsigned long addr); extern int __kernel_text_address(unsigned long addr); diff --git a/lib/cmdline.c b/lib/cmdline.c index 5ba8a942a478..f5f3ad8b62ff 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -126,7 +126,7 @@ char *get_options(const char *str, int nints, int *ints) * megabyte, or one gigabyte, respectively. */ -unsigned long long memparse(char *ptr, char **retptr) +unsigned long long memparse(const char *ptr, char **retptr) { char *endptr; /* local pointer to end of parsed string */ -- GitLab From 167e6cf62979df03513898966f9227847d192327 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 24 Jul 2008 16:27:52 -0700 Subject: [PATCH 0161/6244] xen-balloon: fix up sysfs issues 1. Set the class so it doesn't clash with the normal memory class 2. Fix up the sysfs show functions to match the new prototype 3. Clean up use of memparse Signed-off-by: Jeremy Fitzhardinge Cc: "viets@work.de" Cc: Andi Kleen Signed-off-by: Ingo Molnar --- drivers/xen/balloon.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index d4427cb86979..cdec2d843e4c 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -60,7 +60,7 @@ #define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10)) -#define BALLOON_CLASS_NAME "memory" +#define BALLOON_CLASS_NAME "xen_memory" struct balloon_stats { /* We aim for 'current allocation' == 'target allocation'. */ @@ -588,12 +588,13 @@ static void balloon_release_driver_page(struct page *page) } -#define BALLOON_SHOW(name, format, args...) \ - static ssize_t show_##name(struct sys_device *dev, \ - char *buf) \ - { \ - return sprintf(buf, format, ##args); \ - } \ +#define BALLOON_SHOW(name, format, args...) \ + static ssize_t show_##name(struct sys_device *dev, \ + struct sysdev_attribute *attr, \ + char *buf) \ + { \ + return sprintf(buf, format, ##args); \ + } \ static SYSDEV_ATTR(name, S_IRUGO, show_##name, NULL) BALLOON_SHOW(current_kb, "%lu\n", PAGES2KB(balloon_stats.current_pages)); @@ -604,7 +605,8 @@ BALLOON_SHOW(hard_limit_kb, (balloon_stats.hard_limit!=~0UL) ? PAGES2KB(balloon_stats.hard_limit) : 0); BALLOON_SHOW(driver_kb, "%lu\n", PAGES2KB(balloon_stats.driver_pages)); -static ssize_t show_target_kb(struct sys_device *dev, char *buf) +static ssize_t show_target_kb(struct sys_device *dev, struct sysdev_attribute *attr, + char *buf) { return sprintf(buf, "%lu\n", PAGES2KB(balloon_stats.target_pages)); } @@ -614,19 +616,14 @@ static ssize_t store_target_kb(struct sys_device *dev, const char *buf, size_t count) { - char memstring[64], *endchar; + char *endchar; unsigned long long target_bytes; if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (count <= 1) - return -EBADMSG; /* runt */ - if (count > sizeof(memstring)) - return -EFBIG; /* too long */ - strcpy(memstring, buf); + target_bytes = memparse(buf, &endchar); - target_bytes = memparse(memstring, &endchar); balloon_set_new_target(target_bytes >> PAGE_SHIFT); return count; -- GitLab From fde28e8f49ed86e771667a3fe81fcc25c93ede8e Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 24 Jul 2008 16:28:00 -0700 Subject: [PATCH 0162/6244] xen-balloon: clean up unused functions Remove some unused functions: balloon_update_driver_allowance balloon_release_driver_page only used on the (obsolete, removed) flip path in netfront alloc_empty_pages_and_pagevec free_empty_pages_and_pagevec only used in backend drivers; can be reintroduced when needed Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- drivers/xen/balloon.c | 147 +----------------------------------------- 1 file changed, 3 insertions(+), 144 deletions(-) diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index cdec2d843e4c..fff987b10e0f 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -226,9 +226,8 @@ static int increase_reservation(unsigned long nr_pages) } set_xen_guest_handle(reservation.extent_start, frame_list); - reservation.nr_extents = nr_pages; - rc = HYPERVISOR_memory_op( - XENMEM_populate_physmap, &reservation); + reservation.nr_extents = nr_pages; + rc = HYPERVISOR_memory_op(XENMEM_populate_physmap, &reservation); if (rc < nr_pages) { if (rc > 0) { int ret; @@ -236,7 +235,7 @@ static int increase_reservation(unsigned long nr_pages) /* We hit the Xen hard limit: reprobe. */ reservation.nr_extents = rc; ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation, - &reservation); + &reservation); BUG_ON(ret != rc); } if (rc >= 0) @@ -464,130 +463,6 @@ static void balloon_exit(void) module_exit(balloon_exit); -static void balloon_update_driver_allowance(long delta) -{ - unsigned long flags; - - spin_lock_irqsave(&balloon_lock, flags); - balloon_stats.driver_pages += delta; - spin_unlock_irqrestore(&balloon_lock, flags); -} - -static int dealloc_pte_fn( - pte_t *pte, struct page *pmd_page, unsigned long addr, void *data) -{ - unsigned long mfn = pte_mfn(*pte); - int ret; - struct xen_memory_reservation reservation = { - .nr_extents = 1, - .extent_order = 0, - .domid = DOMID_SELF - }; - set_xen_guest_handle(reservation.extent_start, &mfn); - set_pte_at(&init_mm, addr, pte, __pte_ma(0ull)); - set_phys_to_machine(__pa(addr) >> PAGE_SHIFT, INVALID_P2M_ENTRY); - ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation, &reservation); - BUG_ON(ret != 1); - return 0; -} - -static struct page **alloc_empty_pages_and_pagevec(int nr_pages) -{ - unsigned long vaddr, flags; - struct page *page, **pagevec; - int i, ret; - - pagevec = kmalloc(sizeof(page) * nr_pages, GFP_KERNEL); - if (pagevec == NULL) - return NULL; - - for (i = 0; i < nr_pages; i++) { - page = pagevec[i] = alloc_page(GFP_KERNEL); - if (page == NULL) - goto err; - - vaddr = (unsigned long)page_address(page); - - scrub_page(page); - - spin_lock_irqsave(&balloon_lock, flags); - - if (xen_feature(XENFEAT_auto_translated_physmap)) { - unsigned long gmfn = page_to_pfn(page); - struct xen_memory_reservation reservation = { - .nr_extents = 1, - .extent_order = 0, - .domid = DOMID_SELF - }; - set_xen_guest_handle(reservation.extent_start, &gmfn); - ret = HYPERVISOR_memory_op(XENMEM_decrease_reservation, - &reservation); - if (ret == 1) - ret = 0; /* success */ - } else { - ret = apply_to_page_range(&init_mm, vaddr, PAGE_SIZE, - dealloc_pte_fn, NULL); - } - - if (ret != 0) { - spin_unlock_irqrestore(&balloon_lock, flags); - __free_page(page); - goto err; - } - - totalram_pages = --balloon_stats.current_pages; - - spin_unlock_irqrestore(&balloon_lock, flags); - } - - out: - schedule_work(&balloon_worker); - flush_tlb_all(); - return pagevec; - - err: - spin_lock_irqsave(&balloon_lock, flags); - while (--i >= 0) - balloon_append(pagevec[i]); - spin_unlock_irqrestore(&balloon_lock, flags); - kfree(pagevec); - pagevec = NULL; - goto out; -} - -static void free_empty_pages_and_pagevec(struct page **pagevec, int nr_pages) -{ - unsigned long flags; - int i; - - if (pagevec == NULL) - return; - - spin_lock_irqsave(&balloon_lock, flags); - for (i = 0; i < nr_pages; i++) { - BUG_ON(page_count(pagevec[i]) != 1); - balloon_append(pagevec[i]); - } - spin_unlock_irqrestore(&balloon_lock, flags); - - kfree(pagevec); - - schedule_work(&balloon_worker); -} - -static void balloon_release_driver_page(struct page *page) -{ - unsigned long flags; - - spin_lock_irqsave(&balloon_lock, flags); - balloon_append(page); - balloon_stats.driver_pages--; - spin_unlock_irqrestore(&balloon_lock, flags); - - schedule_work(&balloon_worker); -} - - #define BALLOON_SHOW(name, format, args...) \ static ssize_t show_##name(struct sys_device *dev, \ struct sysdev_attribute *attr, \ @@ -691,20 +566,4 @@ static int register_balloon(struct sys_device *sysdev) return error; } -static void unregister_balloon(struct sys_device *sysdev) -{ - int i; - - sysfs_remove_group(&sysdev->kobj, &balloon_info_group); - for (i = 0; i < ARRAY_SIZE(balloon_attrs); i++) - sysdev_remove_file(sysdev, balloon_attrs[i]); - sysdev_unregister(sysdev); - sysdev_class_unregister(&balloon_sysdev_class); -} - -static void balloon_sysfs_exit(void) -{ - unregister_balloon(&balloon_sysdev); -} - MODULE_LICENSE("GPL"); -- GitLab From 8cb22bcb1f3ef70d4d48092e9b057175ad9ec78d Mon Sep 17 00:00:00 2001 From: Mark Langsdorf Date: Fri, 18 Jul 2008 16:03:52 -0500 Subject: [PATCH 0163/6244] x86: L3 cache index disable for 2.6.26 New versions of AMD processors have support to disable parts of their L3 caches if too many MCEs are generated by the L3 cache. This patch provides a /sysfs interface under the cache hierarchy to display which caches indices are disabled (if any) and to monitoring applications to disable a cache index. This patch does not set an automatic policy to disable the L3 cache. Policy decisions would need to be made by a RAS handler. This patch merely makes it easier to see what indices are currently disabled. Signed-off-by: Mark Langsdorf Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel_cacheinfo.c | 87 +++++++++++++++++++++++++-- 1 file changed, 81 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index ff517f0b8cc4..d6ea50e270e0 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -16,6 +16,7 @@ #include #include +#include #define LVL_1_INST 1 #define LVL_1_DATA 2 @@ -130,6 +131,7 @@ struct _cpuid4_info { union _cpuid4_leaf_ebx ebx; union _cpuid4_leaf_ecx ecx; unsigned long size; + unsigned long can_disable; cpumask_t shared_cpu_map; /* future?: only cpus/node is needed */ }; @@ -251,6 +253,13 @@ static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, (ebx->split.ways_of_associativity + 1) - 1; } +static void __cpuinit amd_check_l3_disable(int index, struct _cpuid4_info *this_leaf) +{ + if (index < 3) + return; + this_leaf->can_disable = 1; +} + static int __cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf) { union _cpuid4_leaf_eax eax; @@ -258,9 +267,12 @@ static int __cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_le union _cpuid4_leaf_ecx ecx; unsigned edx; - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { amd_cpuid4(index, &eax, &ebx, &ecx); - else + if (boot_cpu_data.x86 >= 0x10) + amd_check_l3_disable(index, this_leaf); + + } else cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); if (eax.split.type == CACHE_TYPE_NULL) return -EIO; /* better error ? */ @@ -637,6 +649,61 @@ static ssize_t show_type(struct _cpuid4_info *this_leaf, char *buf) { } } +#define to_object(k) container_of(k, struct _index_kobject, kobj) +#define to_attr(a) container_of(a, struct _cache_attr, attr) + +static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf) +{ + struct pci_dev *dev; + if (this_leaf->can_disable) { + int i; + ssize_t ret = 0; + int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); + dev = k8_northbridges[node]; + + for (i = 0; i < 2; i++) { + unsigned int reg; + pci_read_config_dword(dev, 0x1BC + i * 4, ®); + ret += sprintf(buf, "%sEntry: %d\n", buf, i); + ret += sprintf(buf, "%sReads: %s\tNew Entries: %s\n", + buf, + reg & 0x80000000 ? "Disabled" : "Allowed", + reg & 0x40000000 ? "Disabled" : "Allowed"); + ret += sprintf(buf, "%sSubCache: %x\tIndex: %x\n", buf, + (reg & 0x30000) >> 16, reg & 0xfff); + + } + return ret; + } + return sprintf(buf, "Feature not enabled\n"); +} + +static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, size_t count) +{ + struct pci_dev *dev; + if (this_leaf->can_disable) { + /* write the MSR value */ + unsigned int ret; + unsigned int index, val; + int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); + dev = k8_northbridges[node]; + + if (strlen(buf) > 15) + return -EINVAL; + ret = sscanf(buf, "%x %x", &index, &val); + if (ret != 2) + return -EINVAL; + if (index > 1) + return -EINVAL; + val |= 0xc0000000; + pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); + wbinvd(); + pci_write_config_dword(dev, 0x1BC + index * 4, val); + return 1; + } + return 0; +} + struct _cache_attr { struct attribute attr; ssize_t (*show)(struct _cpuid4_info *, char *); @@ -657,6 +724,8 @@ define_one_ro(size); define_one_ro(shared_cpu_map); define_one_ro(shared_cpu_list); +static struct _cache_attr cache_disable = __ATTR(cache_disable, 0644, show_cache_disable, store_cache_disable); + static struct attribute * default_attrs[] = { &type.attr, &level.attr, @@ -667,12 +736,10 @@ static struct attribute * default_attrs[] = { &size.attr, &shared_cpu_map.attr, &shared_cpu_list.attr, + &cache_disable.attr, NULL }; -#define to_object(k) container_of(k, struct _index_kobject, kobj) -#define to_attr(a) container_of(a, struct _cache_attr, attr) - static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf) { struct _cache_attr *fattr = to_attr(attr); @@ -689,7 +756,15 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf) static ssize_t store(struct kobject * kobj, struct attribute * attr, const char * buf, size_t count) { - return 0; + struct _cache_attr *fattr = to_attr(attr); + struct _index_kobject *this_leaf = to_object(kobj); + ssize_t ret; + + ret = fattr->store ? + fattr->store(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index), + buf, count) : + 0; + return ret; } static struct sysfs_ops sysfs_ops = { -- GitLab From 7a4983bb5f94f6521aa3236fe5c035cf9bef543f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 21 Jul 2008 13:34:21 +0200 Subject: [PATCH 0164/6244] x86: L3 cache index disable for 2.6.26, cleanups No change in functionality. Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel_cacheinfo.c | 115 ++++++++++++++------------ 1 file changed, 61 insertions(+), 54 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index d6ea50e270e0..a61c9e399ba9 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -253,14 +253,16 @@ static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, (ebx->split.ways_of_associativity + 1) - 1; } -static void __cpuinit amd_check_l3_disable(int index, struct _cpuid4_info *this_leaf) +static void __cpuinit +amd_check_l3_disable(int index, struct _cpuid4_info *this_leaf) { if (index < 3) return; this_leaf->can_disable = 1; } -static int __cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf) +static int +__cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf) { union _cpuid4_leaf_eax eax; union _cpuid4_leaf_ebx ebx; @@ -271,19 +273,20 @@ static int __cpuinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_le amd_cpuid4(index, &eax, &ebx, &ecx); if (boot_cpu_data.x86 >= 0x10) amd_check_l3_disable(index, this_leaf); - - } else - cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); + } else { + cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); + } + if (eax.split.type == CACHE_TYPE_NULL) return -EIO; /* better error ? */ this_leaf->eax = eax; this_leaf->ebx = ebx; this_leaf->ecx = ecx; - this_leaf->size = (ecx.split.number_of_sets + 1) * - (ebx.split.coherency_line_size + 1) * - (ebx.split.physical_line_partition + 1) * - (ebx.split.ways_of_associativity + 1); + this_leaf->size = (ecx.split.number_of_sets + 1) * + (ebx.split.coherency_line_size + 1) * + (ebx.split.physical_line_partition + 1) * + (ebx.split.ways_of_associativity + 1); return 0; } @@ -649,59 +652,63 @@ static ssize_t show_type(struct _cpuid4_info *this_leaf, char *buf) { } } -#define to_object(k) container_of(k, struct _index_kobject, kobj) -#define to_attr(a) container_of(a, struct _cache_attr, attr) +#define to_object(k) container_of(k, struct _index_kobject, kobj) +#define to_attr(a) container_of(a, struct _cache_attr, attr) static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf) { - struct pci_dev *dev; - if (this_leaf->can_disable) { - int i; - ssize_t ret = 0; - int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); - dev = k8_northbridges[node]; - - for (i = 0; i < 2; i++) { - unsigned int reg; - pci_read_config_dword(dev, 0x1BC + i * 4, ®); - ret += sprintf(buf, "%sEntry: %d\n", buf, i); - ret += sprintf(buf, "%sReads: %s\tNew Entries: %s\n", - buf, - reg & 0x80000000 ? "Disabled" : "Allowed", - reg & 0x40000000 ? "Disabled" : "Allowed"); - ret += sprintf(buf, "%sSubCache: %x\tIndex: %x\n", buf, - (reg & 0x30000) >> 16, reg & 0xfff); + int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); + struct pci_dev *dev = k8_northbridges[node]; + ssize_t ret = 0; + int i; - } - return ret; + if (!this_leaf->can_disable) + return sprintf(buf, "Feature not enabled\n"); + + for (i = 0; i < 2; i++) { + unsigned int reg; + + pci_read_config_dword(dev, 0x1BC + i * 4, ®); + + ret += sprintf(buf, "%sEntry: %d\n", buf, i); + ret += sprintf(buf, "%sReads: %s\tNew Entries: %s\n", + buf, + reg & 0x80000000 ? "Disabled" : "Allowed", + reg & 0x40000000 ? "Disabled" : "Allowed"); + ret += sprintf(buf, "%sSubCache: %x\tIndex: %x\n", + buf, (reg & 0x30000) >> 16, reg & 0xfff); } - return sprintf(buf, "Feature not enabled\n"); + return ret; } -static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, size_t count) +static ssize_t +store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, + size_t count) { - struct pci_dev *dev; - if (this_leaf->can_disable) { - /* write the MSR value */ - unsigned int ret; - unsigned int index, val; - int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); - dev = k8_northbridges[node]; - - if (strlen(buf) > 15) - return -EINVAL; - ret = sscanf(buf, "%x %x", &index, &val); - if (ret != 2) - return -EINVAL; - if (index > 1) - return -EINVAL; - val |= 0xc0000000; - pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); - wbinvd(); - pci_write_config_dword(dev, 0x1BC + index * 4, val); - return 1; - } - return 0; + int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); + struct pci_dev *dev = k8_northbridges[node]; + unsigned int ret, index, val; + + if (!this_leaf->can_disable) + return 0; + + /* write the MSR value */ + + if (strlen(buf) > 15) + return -EINVAL; + + ret = sscanf(buf, "%x %x", &index, &val); + if (ret != 2) + return -EINVAL; + if (index > 1) + return -EINVAL; + + val |= 0xc0000000; + pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); + wbinvd(); + pci_write_config_dword(dev, 0x1BC + index * 4, val); + + return 1; } struct _cache_attr { -- GitLab From a24e8d36f5fc047dac9af6200322ed393f2e3175 Mon Sep 17 00:00:00 2001 From: Mark Langsdorf Date: Tue, 22 Jul 2008 13:06:02 -0500 Subject: [PATCH 0165/6244] x86: L3 cache index disable for 2.6.26 On Monday 21 July 2008, Ingo Molnar wrote: > > applied to tip/x86/cpu, thanks Mark. > > > > I've done some coding style fixes for the new functions you've > > introduced, see that commit below. > > -tip testing found the following build failure: > > arch/x86/kernel/built-in.o: In function `show_cache_disable': > intel_cacheinfo.c:(.text+0xbbf2): undefined reference to `k8_northbridges' > arch/x86/kernel/built-in.o: In function `store_cache_disable': > intel_cacheinfo.c:(.text+0xbd91): undefined reference to `k8_northbridges' > > please send a delta fix patch against the tip/x86/cpu branch: > > http://people.redhat.com/mingo/tip.git/README > > which has your patch plus the cleanup applied. delta fix patch follows. It removes the dependency on k8_northbridges. -Mark Langsdorf Operating System Research Center AMD Signed-off-by: Mark Langsdorf Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel_cacheinfo.c | 43 +++++++++++++++++++++++---- 1 file changed, 38 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index a61c9e399ba9..a0c6c6ffed46 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -13,10 +13,10 @@ #include #include #include +#include #include #include -#include #define LVL_1_INST 1 #define LVL_1_DATA 2 @@ -135,6 +135,12 @@ struct _cpuid4_info { cpumask_t shared_cpu_map; /* future?: only cpus/node is needed */ }; +static struct pci_device_id k8_nb_id[] = { + { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) }, + {} +}; + unsigned short num_cache_leaves; /* AMD doesn't have CPUID4. Emulate it here to report the same @@ -655,16 +661,39 @@ static ssize_t show_type(struct _cpuid4_info *this_leaf, char *buf) { #define to_object(k) container_of(k, struct _index_kobject, kobj) #define to_attr(a) container_of(a, struct _cache_attr, attr) +static struct pci_dev *get_k8_northbridge(int node) +{ + struct pci_dev *dev = NULL; + int i; + + for (i = 0; i <= node; i++) { + do { + dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev); + if (!dev) + break; + } while (!pci_match_id(&k8_nb_id[0], dev)); + if (!dev) + break; + } + return dev; +} + static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf) { int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); - struct pci_dev *dev = k8_northbridges[node]; + struct pci_dev *dev = NULL; ssize_t ret = 0; int i; if (!this_leaf->can_disable) return sprintf(buf, "Feature not enabled\n"); + dev = get_k8_northbridge(node); + if (!dev) { + printk(KERN_ERR "Attempting AMD northbridge operation on a system with no northbridge\n"); + return -EINVAL; + } + for (i = 0; i < 2; i++) { unsigned int reg; @@ -686,14 +715,12 @@ store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, size_t count) { int node = cpu_to_node(first_cpu(this_leaf->shared_cpu_map)); - struct pci_dev *dev = k8_northbridges[node]; + struct pci_dev *dev = NULL; unsigned int ret, index, val; if (!this_leaf->can_disable) return 0; - /* write the MSR value */ - if (strlen(buf) > 15) return -EINVAL; @@ -704,6 +731,12 @@ store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, return -EINVAL; val |= 0xc0000000; + dev = get_k8_northbridge(node); + if (!dev) { + printk(KERN_ERR "Attempting AMD northbridge operation on a system with no northbridge\n"); + return -EINVAL; + } + pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); wbinvd(); pci_write_config_dword(dev, 0x1BC + index * 4, val); -- GitLab From cdcf772ed163651cacac8098b4974aba7f9e1c73 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 28 Jul 2008 16:20:08 +0200 Subject: [PATCH 0166/6244] x86 l3 cache index disable for 2 6 26 fix Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel_cacheinfo.c | 39 ++++++++++++++------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index a0c6c6ffed46..535d662716de 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -1,8 +1,8 @@ /* - * Routines to indentify caches on Intel CPU. + * Routines to indentify caches on Intel CPU. * - * Changes: - * Venkatesh Pallipadi : Adding cache identification through cpuid(4) + * Changes: + * Venkatesh Pallipadi : Adding cache identification through cpuid(4) * Ashok Raj : Work with CPU hotplug infrastructure. * Andi Kleen / Andreas Herrmann : CPUID4 emulation on AMD. */ @@ -136,9 +136,9 @@ struct _cpuid4_info { }; static struct pci_device_id k8_nb_id[] = { - { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) }, - {} + { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) }, + {} }; unsigned short num_cache_leaves; @@ -190,9 +190,10 @@ static unsigned short assocs[] __cpuinitdata = { static unsigned char levels[] __cpuinitdata = { 1, 1, 2, 3 }; static unsigned char types[] __cpuinitdata = { 1, 2, 3, 3 }; -static void __cpuinit amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, - union _cpuid4_leaf_ebx *ebx, - union _cpuid4_leaf_ecx *ecx) +static void __cpuinit +amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, + union _cpuid4_leaf_ebx *ebx, + union _cpuid4_leaf_ecx *ecx) { unsigned dummy; unsigned line_size, lines_per_tag, assoc, size_in_kb; @@ -264,7 +265,7 @@ amd_check_l3_disable(int index, struct _cpuid4_info *this_leaf) { if (index < 3) return; - this_leaf->can_disable = 1; + this_leaf->can_disable = 1; } static int @@ -474,7 +475,7 @@ unsigned int __cpuinit init_intel_cacheinfo(struct cpuinfo_x86 *c) /* pointer to _cpuid4_info array (for each cache leaf) */ static DEFINE_PER_CPU(struct _cpuid4_info *, cpuid4_info); -#define CPUID4_INFO_IDX(x, y) (&((per_cpu(cpuid4_info, x))[y])) +#define CPUID4_INFO_IDX(x, y) (&((per_cpu(cpuid4_info, x))[y])) #ifdef CONFIG_SMP static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int index) @@ -511,7 +512,7 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index) this_leaf = CPUID4_INFO_IDX(cpu, index); for_each_cpu_mask(sibling, this_leaf->shared_cpu_map) { - sibling_leaf = CPUID4_INFO_IDX(sibling, index); + sibling_leaf = CPUID4_INFO_IDX(sibling, index); cpu_clear(cpu, sibling_leaf->shared_cpu_map); } } @@ -593,7 +594,7 @@ struct _index_kobject { /* pointer to array of kobjects for cpuX/cache/indexY */ static DEFINE_PER_CPU(struct _index_kobject *, index_kobject); -#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(index_kobject, x))[y])) +#define INDEX_KOBJECT_PTR(x, y) (&((per_cpu(index_kobject, x))[y])) #define show_one_plus(file_name, object, val) \ static ssize_t show_##file_name \ @@ -675,7 +676,7 @@ static struct pci_dev *get_k8_northbridge(int node) if (!dev) break; } - return dev; + return dev; } static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf) @@ -736,7 +737,7 @@ store_cache_disable(struct _cpuid4_info *this_leaf, const char *buf, printk(KERN_ERR "Attempting AMD northbridge operation on a system with no northbridge\n"); return -EINVAL; } - + pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); wbinvd(); pci_write_config_dword(dev, 0x1BC + index * 4, val); @@ -789,7 +790,7 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr, char * buf) ret = fattr->show ? fattr->show(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index), buf) : - 0; + 0; return ret; } @@ -800,9 +801,9 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr, struct _index_kobject *this_leaf = to_object(kobj); ssize_t ret; - ret = fattr->store ? - fattr->store(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index), - buf, count) : + ret = fattr->store ? + fattr->store(CPUID4_INFO_IDX(this_leaf->cpu, this_leaf->index), + buf, count) : 0; return ret; } -- GitLab From d89961e2dc87b6e30b8e3f60bd2af5cd92cf4643 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 24 Jul 2008 13:48:58 -0700 Subject: [PATCH 0167/6244] xen: suppress known wrmsrs In general, Xen doesn't support wrmsr from an unprivileged domain; it just ends up ignoring the instruction and printing a message on the console. Given that there are sets of MSRs we know the kernel will try to write to, but we don't care, just eat them in xen_write_msr to cut down on console noise. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index b011e4a5dbbe..b795470ec069 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -854,6 +854,19 @@ static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high) ret = -EFAULT; break; #endif + + case MSR_STAR: + case MSR_CSTAR: + case MSR_LSTAR: + case MSR_SYSCALL_MASK: + case MSR_IA32_SYSENTER_CS: + case MSR_IA32_SYSENTER_ESP: + case MSR_IA32_SYSENTER_EIP: + /* Fast syscall setup is all done in hypercalls, so + these are all ignored. Stub them out here to stop + Xen console noise. */ + break; + default: ret = native_write_msr_safe(msr, low, high); } -- GitLab From 239bd83104ec6bcba90221d8b0973d2565142ef8 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 28 Jul 2008 16:45:49 +0200 Subject: [PATCH 0168/6244] x86: L3 cache index disable for 2.6.26, fix #2 fix !PCI build failure: arch/x86/kernel/cpu/intel_cacheinfo.c: In function 'get_k8_northbridge': arch/x86/kernel/cpu/intel_cacheinfo.c:675: error: implicit declaration of function 'pci_match_id' Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel_cacheinfo.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index d763d24187c2..1677b55371a5 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -135,11 +135,13 @@ struct _cpuid4_info { cpumask_t shared_cpu_map; /* future?: only cpus/node is needed */ }; +#ifdef CONFIG_PCI static struct pci_device_id k8_nb_id[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1103) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x1203) }, {} }; +#endif unsigned short num_cache_leaves; @@ -663,6 +665,7 @@ static ssize_t show_type(struct _cpuid4_info *this_leaf, char *buf) { #define to_object(k) container_of(k, struct _index_kobject, kobj) #define to_attr(a) container_of(a, struct _cache_attr, attr) +#ifdef CONFIG_PCI static struct pci_dev *get_k8_northbridge(int node) { struct pci_dev *dev = NULL; @@ -679,6 +682,12 @@ static struct pci_dev *get_k8_northbridge(int node) } return dev; } +#else +static struct pci_dev *get_k8_northbridge(int node) +{ + return NULL; +} +#endif static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf) { -- GitLab From 0b18cb1854152a62492aae088cb80cbeb5c0288d Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Mon, 28 Jul 2008 17:07:07 +0200 Subject: [PATCH 0169/6244] ALSA: Fix commit: Add automatic model setting for the Acer Aspire 5920G laptop There is a whitespace at the end of added line. Remove it. Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 66025161bd69..38017a129ba7 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7942,7 +7942,7 @@ static struct snd_pci_quirk alc883_cfg_tbl[] = { SND_PCI_QUIRK(0x1025, 0x006c, "Acer Aspire 9810", ALC883_ACER_ASPIRE), SND_PCI_QUIRK(0x1025, 0x0110, "Acer Aspire", ALC883_ACER_ASPIRE), SND_PCI_QUIRK(0x1025, 0x0112, "Acer Aspire 9303", ALC883_ACER_ASPIRE), - SND_PCI_QUIRK(0x1025, 0x0121, "Acer Aspire 5920G", ALC883_ACER_ASPIRE), + SND_PCI_QUIRK(0x1025, 0x0121, "Acer Aspire 5920G", ALC883_ACER_ASPIRE), SND_PCI_QUIRK(0x1025, 0, "Acer laptop", ALC883_ACER), /* default Acer */ SND_PCI_QUIRK(0x1028, 0x020d, "Dell Inspiron 530", ALC888_6ST_DELL), SND_PCI_QUIRK(0x103c, 0x2a3d, "HP Pavillion", ALC883_6ST_DIG), -- GitLab From e7f5b309c9bd6142f395c4a36123ebac4bcdc1b0 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:11 +0200 Subject: [PATCH 0170/6244] x86: AMD microcode patch loading support v2 Add an entry to the MAINTAINERS file for AMD CPU microcode patch loading support. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- MAINTAINERS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 03c5d6ccb9f8..28f867d99a8c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -384,6 +384,11 @@ M: joerg.roedel@amd.com L: iommu@lists.linux-foundation.org S: Supported +AMD MICROCODE UPDATE SUPPORT +P: Peter Oruba +M: peter.oruba@amd.com +S: Supported + AMS (Apple Motion Sensor) DRIVER P: Stelian Pop M: stelian@popies.net -- GitLab From 9a56a0f80b52cb41c5e0add47c7ce0bb2ef25eb0 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:13 +0200 Subject: [PATCH 0171/6244] x86: moved Intel microcode patch loader declarations to seperate header file Intel specific microcode declarations have been moved to a seperate header file. There are no code changes to the code itself and no side effects to other parts. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 1 + include/asm-x86/microcode.h | 34 ++++++++++++++++++++++++++++++++++ include/asm-x86/processor.h | 35 ----------------------------------- 3 files changed, 35 insertions(+), 35 deletions(-) create mode 100644 include/asm-x86/microcode.h diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 6994c751590e..0d654bd32928 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -93,6 +93,7 @@ #include #include #include +#include MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver"); MODULE_AUTHOR("Tigran Aivazian "); diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h new file mode 100644 index 000000000000..5a0556855154 --- /dev/null +++ b/include/asm-x86/microcode.h @@ -0,0 +1,34 @@ +struct microcode_header { + unsigned int hdrver; + unsigned int rev; + unsigned int date; + unsigned int sig; + unsigned int cksum; + unsigned int ldrver; + unsigned int pf; + unsigned int datasize; + unsigned int totalsize; + unsigned int reserved[3]; +}; + +struct microcode { + struct microcode_header hdr; + unsigned int bits[0]; +}; + +typedef struct microcode microcode_t; +typedef struct microcode_header microcode_header_t; + +/* microcode format is extended from prescott processors */ +struct extended_signature { + unsigned int sig; + unsigned int pf; + unsigned int cksum; +}; + +struct extended_sigtable { + unsigned int count; + unsigned int cksum; + unsigned int reserved[3]; + struct extended_signature sigs[0]; +}; diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 5f58da401b43..58a76f69ee31 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -561,41 +561,6 @@ static inline void clear_in_cr4(unsigned long mask) write_cr4(cr4); } -struct microcode_header { - unsigned int hdrver; - unsigned int rev; - unsigned int date; - unsigned int sig; - unsigned int cksum; - unsigned int ldrver; - unsigned int pf; - unsigned int datasize; - unsigned int totalsize; - unsigned int reserved[3]; -}; - -struct microcode { - struct microcode_header hdr; - unsigned int bits[0]; -}; - -typedef struct microcode microcode_t; -typedef struct microcode_header microcode_header_t; - -/* microcode format is extended from prescott processors */ -struct extended_signature { - unsigned int sig; - unsigned int pf; - unsigned int cksum; -}; - -struct extended_sigtable { - unsigned int count; - unsigned int cksum; - unsigned int reserved[3]; - struct extended_signature sigs[0]; -}; - typedef struct { unsigned long seg; } mm_segment_t; -- GitLab From 8e61028dfdc6b8ca996abfe8f9baef6792ea2904 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:14 +0200 Subject: [PATCH 0172/6244] x86: typedef removal Removed typedefs. No functional changes to the code. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 24 ++++++++++++------------ include/asm-x86/microcode.h | 3 --- 2 files changed, 12 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 0d654bd32928..74e6a77bf190 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -102,17 +102,17 @@ MODULE_LICENSE("GPL"); #define MICROCODE_VERSION "1.14a" #define DEFAULT_UCODE_DATASIZE (2000) /* 2000 bytes */ -#define MC_HEADER_SIZE (sizeof (microcode_header_t)) /* 48 bytes */ +#define MC_HEADER_SIZE (sizeof (struct microcode_header)) /* 48 bytes */ #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 2048 bytes */ #define EXT_HEADER_SIZE (sizeof (struct extended_sigtable)) /* 20 bytes */ #define EXT_SIGNATURE_SIZE (sizeof (struct extended_signature)) /* 12 bytes */ #define DWSIZE (sizeof (u32)) #define get_totalsize(mc) \ - (((microcode_t *)mc)->hdr.totalsize ? \ - ((microcode_t *)mc)->hdr.totalsize : DEFAULT_UCODE_TOTALSIZE) + (((struct microcode *)mc)->hdr.totalsize ? \ + ((struct microcode *)mc)->hdr.totalsize : DEFAULT_UCODE_TOTALSIZE) #define get_datasize(mc) \ - (((microcode_t *)mc)->hdr.datasize ? \ - ((microcode_t *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) + (((struct microcode *)mc)->hdr.datasize ? \ + ((struct microcode *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) #define sigmatch(s1, s2, p1, p2) \ (((s1) == (s2)) && (((p1) & (p2)) || (((p1) == 0) && ((p2) == 0)))) @@ -130,7 +130,7 @@ static struct ucode_cpu_info { unsigned int sig; unsigned int pf; unsigned int rev; - microcode_t *mc; + struct microcode *mc; } ucode_cpu_info[NR_CPUS]; static void collect_cpu_info(int cpu_num) @@ -171,7 +171,7 @@ static void collect_cpu_info(int cpu_num) } static inline int microcode_update_match(int cpu_num, - microcode_header_t *mc_header, int sig, int pf) + struct microcode_header *mc_header, int sig, int pf) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; @@ -183,7 +183,7 @@ static inline int microcode_update_match(int cpu_num, static int microcode_sanity_check(void *mc) { - microcode_header_t *mc_header = mc; + struct microcode_header *mc_header = mc; struct extended_sigtable *ext_header = NULL; struct extended_signature *ext_sig; unsigned long total_size, data_size, ext_table_size; @@ -268,7 +268,7 @@ static int microcode_sanity_check(void *mc) static int get_maching_microcode(void *mc, int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - microcode_header_t *mc_header = mc; + struct microcode_header *mc_header = mc; struct extended_sigtable *ext_header; unsigned long total_size = get_totalsize(mc_header); int ext_sigcount, i; @@ -355,7 +355,7 @@ static unsigned int user_buffer_size; /* it's size */ static long get_next_ucode(void **mc, long offset) { - microcode_header_t mc_header; + struct microcode_header mc_header; unsigned long total_size; /* No more data */ @@ -497,13 +497,13 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); static long get_next_ucode_from_buffer(void **mc, const u8 *buf, unsigned long size, long offset) { - microcode_header_t *mc_header; + struct microcode_header *mc_header; unsigned long total_size; /* No more data */ if (offset >= size) return 0; - mc_header = (microcode_header_t *)(buf + offset); + mc_header = (struct microcode_header *)(buf + offset); total_size = get_totalsize(mc_header); if (offset + total_size > size) { diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index 5a0556855154..1519ef0674bb 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -16,9 +16,6 @@ struct microcode { unsigned int bits[0]; }; -typedef struct microcode microcode_t; -typedef struct microcode_header microcode_header_t; - /* microcode format is extended from prescott processors */ struct extended_signature { unsigned int sig; -- GitLab From c3b71bcec0380836caac9b524fa1585b469b7456 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:15 +0200 Subject: [PATCH 0173/6244] x86: move per CPU microcode structure declaration to header file This structure will be later used by other modules as well and needs therfore to be moved out to a header file. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 8 +------- include/asm-x86/microcode.h | 8 ++++++++ 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 74e6a77bf190..4e7b2f65fed6 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -125,13 +125,7 @@ static DEFINE_SPINLOCK(microcode_update_lock); /* no concurrent ->write()s are allowed on /dev/cpu/microcode */ static DEFINE_MUTEX(microcode_mutex); -static struct ucode_cpu_info { - int valid; - unsigned int sig; - unsigned int pf; - unsigned int rev; - struct microcode *mc; -} ucode_cpu_info[NR_CPUS]; +static struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; static void collect_cpu_info(int cpu_num) { diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index 1519ef0674bb..d34a1fc1b173 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -29,3 +29,11 @@ struct extended_sigtable { unsigned int reserved[3]; struct extended_signature sigs[0]; }; + +struct ucode_cpu_info { + int valid; + unsigned int sig; + unsigned int pf; + unsigned int rev; + struct microcode *mc; +}; -- GitLab From 1abae31096007cc993f67ae2576fe8f812270ad6 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:16 +0200 Subject: [PATCH 0174/6244] x86: move microcode.c to microcode_intel.c Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/{microcode.c => microcode_intel.c} | 0 2 files changed, 1 insertion(+), 1 deletion(-) rename arch/x86/kernel/{microcode.c => microcode_intel.c} (100%) diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 3db651fc8ec5..a9be2a0dde80 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -51,7 +51,7 @@ obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o obj-$(CONFIG_MCA) += mca_32.o obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o -obj-$(CONFIG_MICROCODE) += microcode.o +obj-$(CONFIG_MICROCODE) += microcode_intel.o obj-$(CONFIG_PCI) += early-quirks.o apm-y := apm_32.o obj-$(CONFIG_APM) += apm.o diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode_intel.c similarity index 100% rename from arch/x86/kernel/microcode.c rename to arch/x86/kernel/microcode_intel.c -- GitLab From 3e135d887c973b525d43fbb67dfc5972694882f6 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:17 +0200 Subject: [PATCH 0175/6244] x86: code split to two parts Split off existing code into two seperate files. One file holds general code, the other file vendor specific parts. No functional changes, only refactoring. Temporarily Introduced a new module name 'ucode' for result, due to already taken name 'microcode'. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 3 +- arch/x86/kernel/microcode.c | 463 ++++++++++++++++++++++++++++++ arch/x86/kernel/microcode_intel.c | 387 ++----------------------- 3 files changed, 488 insertions(+), 365 deletions(-) create mode 100644 arch/x86/kernel/microcode.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index a9be2a0dde80..abb32aed7f4b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -51,7 +51,8 @@ obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o obj-$(CONFIG_MCA) += mca_32.o obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o -obj-$(CONFIG_MICROCODE) += microcode_intel.o +obj-$(CONFIG_MICROCODE) += ucode.o +ucode-objs := microcode.o microcode_intel.o obj-$(CONFIG_PCI) += early-quirks.o apm-y := apm_32.o obj-$(CONFIG_APM) += apm.o diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c new file mode 100644 index 000000000000..c1047d7f7ede --- /dev/null +++ b/arch/x86/kernel/microcode.c @@ -0,0 +1,463 @@ +/* + * Intel CPU Microcode Update Driver for Linux + * + * Copyright (C) 2000-2006 Tigran Aivazian + * 2006 Shaohua Li + * + * This driver allows to upgrade microcode on Intel processors + * belonging to IA-32 family - PentiumPro, Pentium II, + * Pentium III, Xeon, Pentium 4, etc. + * + * Reference: Section 8.11 of Volume 3a, IA-32 Intel? Architecture + * Software Developer's Manual + * Order Number 253668 or free download from: + * + * http://developer.intel.com/design/pentium4/manuals/253668.htm + * + * For more information, go to http://www.urbanmyth.org/microcode + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * 1.0 16 Feb 2000, Tigran Aivazian + * Initial release. + * 1.01 18 Feb 2000, Tigran Aivazian + * Added read() support + cleanups. + * 1.02 21 Feb 2000, Tigran Aivazian + * Added 'device trimming' support. open(O_WRONLY) zeroes + * and frees the saved copy of applied microcode. + * 1.03 29 Feb 2000, Tigran Aivazian + * Made to use devfs (/dev/cpu/microcode) + cleanups. + * 1.04 06 Jun 2000, Simon Trimmer + * Added misc device support (now uses both devfs and misc). + * Added MICROCODE_IOCFREE ioctl to clear memory. + * 1.05 09 Jun 2000, Simon Trimmer + * Messages for error cases (non Intel & no suitable microcode). + * 1.06 03 Aug 2000, Tigran Aivazian + * Removed ->release(). Removed exclusive open and status bitmap. + * Added microcode_rwsem to serialize read()/write()/ioctl(). + * Removed global kernel lock usage. + * 1.07 07 Sep 2000, Tigran Aivazian + * Write 0 to 0x8B msr and then cpuid before reading revision, + * so that it works even if there were no update done by the + * BIOS. Otherwise, reading from 0x8B gives junk (which happened + * to be 0 on my machine which is why it worked even when I + * disabled update by the BIOS) + * Thanks to Eric W. Biederman for the fix. + * 1.08 11 Dec 2000, Richard Schaal and + * Tigran Aivazian + * Intel Pentium 4 processor support and bugfixes. + * 1.09 30 Oct 2001, Tigran Aivazian + * Bugfix for HT (Hyper-Threading) enabled processors + * whereby processor resources are shared by all logical processors + * in a single CPU package. + * 1.10 28 Feb 2002 Asit K Mallick and + * Tigran Aivazian , + * Serialize updates as required on HT processors due to speculative + * nature of implementation. + * 1.11 22 Mar 2002 Tigran Aivazian + * Fix the panic when writing zero-length microcode chunk. + * 1.12 29 Sep 2003 Nitin Kamble , + * Jun Nakajima + * Support for the microcode updates in the new format. + * 1.13 10 Oct 2003 Tigran Aivazian + * Removed ->read() method and obsoleted MICROCODE_IOCFREE ioctl + * because we no longer hold a copy of applied microcode + * in kernel memory. + * 1.14 25 Jun 2004 Tigran Aivazian + * Fix sigmatch() macro to handle old CPUs with pf == 0. + * Thanks to Stuart Swales for pointing out this bug. + */ + +//#define DEBUG /* pr_debug */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +MODULE_DESCRIPTION("Microcode Update Driver"); +MODULE_AUTHOR("Tigran Aivazian "); +MODULE_LICENSE("GPL"); + +#define MICROCODE_VERSION "1.14a" + +/* no concurrent ->write()s are allowed on /dev/cpu/microcode */ +DEFINE_MUTEX(microcode_mutex); + +struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; + +extern long get_next_ucode(void **mc, long offset); +extern int microcode_sanity_check(void *mc); +extern int get_matching_microcode(void *mc, int cpu); +extern void collect_cpu_info(int cpu_num); +extern int cpu_request_microcode(int cpu); +extern void microcode_fini_cpu(int cpu); +extern void apply_microcode(int cpu); +extern int apply_microcode_check_cpu(int cpu); + +#ifdef CONFIG_MICROCODE_OLD_INTERFACE +void __user *user_buffer; /* user area microcode data buffer */ +unsigned int user_buffer_size; /* it's size */ + +static int do_microcode_update (void) +{ + long cursor = 0; + int error = 0; + void *new_mc = NULL; + int cpu; + cpumask_t old; + cpumask_of_cpu_ptr_declare(newmask); + + old = current->cpus_allowed; + + while ((cursor = get_next_ucode(&new_mc, cursor)) > 0) { + error = microcode_sanity_check(new_mc); + if (error) + goto out; + /* + * It's possible the data file has multiple matching ucode, + * lets keep searching till the latest version + */ + for_each_online_cpu(cpu) { + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + + if (!uci->valid) + continue; + cpumask_of_cpu_ptr_next(newmask, cpu); + set_cpus_allowed_ptr(current, newmask); + error = get_maching_microcode(new_mc, cpu); + if (error < 0) + goto out; + if (error == 1) + apply_microcode(cpu); + } + vfree(new_mc); + } +out: + if (cursor > 0) + vfree(new_mc); + if (cursor < 0) + error = cursor; + set_cpus_allowed_ptr(current, &old); + return error; +} + +static int microcode_open (struct inode *unused1, struct file *unused2) +{ + cycle_kernel_lock(); + return capable(CAP_SYS_RAWIO) ? 0 : -EPERM; +} + +static ssize_t microcode_write (struct file *file, const char __user *buf, size_t len, loff_t *ppos) +{ + ssize_t ret; + + if ((len >> PAGE_SHIFT) > num_physpages) { + printk(KERN_ERR "microcode: too much data (max %ld pages)\n", num_physpages); + return -EINVAL; + } + + get_online_cpus(); + mutex_lock(µcode_mutex); + + user_buffer = (void __user *) buf; + user_buffer_size = (int) len; + + ret = do_microcode_update(); + if (!ret) + ret = (ssize_t)len; + + mutex_unlock(µcode_mutex); + put_online_cpus(); + + return ret; +} + +static const struct file_operations microcode_fops = { + .owner = THIS_MODULE, + .write = microcode_write, + .open = microcode_open, +}; + +static struct miscdevice microcode_dev = { + .minor = MICROCODE_MINOR, + .name = "microcode", + .fops = µcode_fops, +}; + +static int __init microcode_dev_init (void) +{ + int error; + + error = misc_register(µcode_dev); + if (error) { + printk(KERN_ERR + "microcode: can't misc_register on minor=%d\n", + MICROCODE_MINOR); + return error; + } + + return 0; +} + +static void microcode_dev_exit (void) +{ + misc_deregister(µcode_dev); +} + +MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); +#else +#define microcode_dev_init() 0 +#define microcode_dev_exit() do { } while(0) +#endif + +/* fake device for request_firmware */ +struct platform_device *microcode_pdev; + +static void microcode_init_cpu(int cpu, int resume) +{ + cpumask_t old; + cpumask_of_cpu_ptr(newmask, cpu); + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + + old = current->cpus_allowed; + + set_cpus_allowed_ptr(current, newmask); + mutex_lock(µcode_mutex); + collect_cpu_info(cpu); + if (uci->valid && system_state == SYSTEM_RUNNING && !resume) + cpu_request_microcode(cpu); + mutex_unlock(µcode_mutex); + set_cpus_allowed_ptr(current, &old); +} + +static ssize_t reload_store(struct sys_device *dev, + struct sysdev_attribute *attr, + const char *buf, size_t sz) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; + char *end; + unsigned long val = simple_strtoul(buf, &end, 0); + int err = 0; + int cpu = dev->id; + + if (end == buf) + return -EINVAL; + if (val == 1) { + cpumask_t old; + cpumask_of_cpu_ptr(newmask, cpu); + + old = current->cpus_allowed; + + get_online_cpus(); + set_cpus_allowed_ptr(current, newmask); + + mutex_lock(µcode_mutex); + if (uci->valid) + err = cpu_request_microcode(cpu); + mutex_unlock(µcode_mutex); + put_online_cpus(); + set_cpus_allowed_ptr(current, &old); + } + if (err) + return err; + return sz; +} + +static ssize_t version_show(struct sys_device *dev, + struct sysdev_attribute *attr, char *buf) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; + + return sprintf(buf, "0x%x\n", uci->rev); +} + +static ssize_t pf_show(struct sys_device *dev, + struct sysdev_attribute *attr, char *buf) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; + + return sprintf(buf, "0x%x\n", uci->pf); +} + +static SYSDEV_ATTR(reload, 0200, NULL, reload_store); +static SYSDEV_ATTR(version, 0400, version_show, NULL); +static SYSDEV_ATTR(processor_flags, 0400, pf_show, NULL); + +static struct attribute *mc_default_attrs[] = { + &attr_reload.attr, + &attr_version.attr, + &attr_processor_flags.attr, + NULL +}; + +static struct attribute_group mc_attr_group = { + .attrs = mc_default_attrs, + .name = "microcode", +}; + +static int __mc_sysdev_add(struct sys_device *sys_dev, int resume) +{ + int err, cpu = sys_dev->id; + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + + if (!cpu_online(cpu)) + return 0; + + pr_debug("microcode: CPU%d added\n", cpu); + memset(uci, 0, sizeof(*uci)); + + err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group); + if (err) + return err; + + microcode_init_cpu(cpu, resume); + + return 0; +} + +static int mc_sysdev_add(struct sys_device *sys_dev) +{ + return __mc_sysdev_add(sys_dev, 0); +} + +static int mc_sysdev_remove(struct sys_device *sys_dev) +{ + int cpu = sys_dev->id; + + if (!cpu_online(cpu)) + return 0; + + pr_debug("microcode: CPU%d removed\n", cpu); + microcode_fini_cpu(cpu); + sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); + return 0; +} + +static int mc_sysdev_resume(struct sys_device *dev) +{ + int cpu = dev->id; + + if (!cpu_online(cpu)) + return 0; + pr_debug("microcode: CPU%d resumed\n", cpu); + /* only CPU 0 will apply ucode here */ + apply_microcode(0); + return 0; +} + +static struct sysdev_driver mc_sysdev_driver = { + .add = mc_sysdev_add, + .remove = mc_sysdev_remove, + .resume = mc_sysdev_resume, +}; + +static __cpuinit int +mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) +{ + unsigned int cpu = (unsigned long)hcpu; + struct sys_device *sys_dev; + + sys_dev = get_cpu_sysdev(cpu); + switch (action) { + case CPU_UP_CANCELED_FROZEN: + /* The CPU refused to come up during a system resume */ + microcode_fini_cpu(cpu); + break; + case CPU_ONLINE: + case CPU_DOWN_FAILED: + mc_sysdev_add(sys_dev); + break; + case CPU_ONLINE_FROZEN: + /* System-wide resume is in progress, try to apply microcode */ + if (apply_microcode_check_cpu(cpu)) { + /* The application of microcode failed */ + microcode_fini_cpu(cpu); + __mc_sysdev_add(sys_dev, 1); + break; + } + case CPU_DOWN_FAILED_FROZEN: + if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group)) + printk(KERN_ERR "microcode: Failed to create the sysfs " + "group for CPU%d\n", cpu); + break; + case CPU_DOWN_PREPARE: + mc_sysdev_remove(sys_dev); + break; + case CPU_DOWN_PREPARE_FROZEN: + /* Suspend is in progress, only remove the interface */ + sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); + break; + } + return NOTIFY_OK; +} + +static struct notifier_block __refdata mc_cpu_notifier = { + .notifier_call = mc_cpu_callback, +}; + +static int __init microcode_init (void) +{ + int error; + + printk(KERN_INFO + "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " \n"); + + error = microcode_dev_init(); + if (error) + return error; + microcode_pdev = platform_device_register_simple("microcode", -1, + NULL, 0); + if (IS_ERR(microcode_pdev)) { + microcode_dev_exit(); + return PTR_ERR(microcode_pdev); + } + + get_online_cpus(); + error = sysdev_driver_register(&cpu_sysdev_class, &mc_sysdev_driver); + put_online_cpus(); + if (error) { + microcode_dev_exit(); + platform_device_unregister(microcode_pdev); + return error; + } + + register_hotcpu_notifier(&mc_cpu_notifier); + return 0; +} + +static void __exit microcode_exit (void) +{ + microcode_dev_exit(); + + unregister_hotcpu_notifier(&mc_cpu_notifier); + + get_online_cpus(); + sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver); + put_online_cpus(); + + platform_device_unregister(microcode_pdev); +} + +module_init(microcode_init) +module_exit(microcode_exit) diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index 4e7b2f65fed6..eded0a154ea8 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -95,18 +95,16 @@ #include #include -MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver"); +MODULE_DESCRIPTION("Microcode Update Driver"); MODULE_AUTHOR("Tigran Aivazian "); MODULE_LICENSE("GPL"); -#define MICROCODE_VERSION "1.14a" - #define DEFAULT_UCODE_DATASIZE (2000) /* 2000 bytes */ -#define MC_HEADER_SIZE (sizeof (struct microcode_header)) /* 48 bytes */ +#define MC_HEADER_SIZE (sizeof(struct microcode_header)) /* 48 bytes */ #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 2048 bytes */ -#define EXT_HEADER_SIZE (sizeof (struct extended_sigtable)) /* 20 bytes */ -#define EXT_SIGNATURE_SIZE (sizeof (struct extended_signature)) /* 12 bytes */ -#define DWSIZE (sizeof (u32)) +#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) /* 20 bytes */ +#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) /* 12 bytes */ +#define DWSIZE (sizeof(u32)) #define get_totalsize(mc) \ (((struct microcode *)mc)->hdr.totalsize ? \ ((struct microcode *)mc)->hdr.totalsize : DEFAULT_UCODE_TOTALSIZE) @@ -123,11 +121,11 @@ MODULE_LICENSE("GPL"); static DEFINE_SPINLOCK(microcode_update_lock); /* no concurrent ->write()s are allowed on /dev/cpu/microcode */ -static DEFINE_MUTEX(microcode_mutex); +extern struct mutex microcode_mutex; -static struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; +extern struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; -static void collect_cpu_info(int cpu_num) +void collect_cpu_info(int cpu_num) { struct cpuinfo_x86 *c = &cpu_data(cpu_num); struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; @@ -140,7 +138,7 @@ static void collect_cpu_info(int cpu_num) uci->valid = 1; if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 || - cpu_has(c, X86_FEATURE_IA64)) { + cpu_has(c, X86_FEATURE_IA64)) { printk(KERN_ERR "microcode: CPU%d not a capable Intel " "processor\n", cpu_num); uci->valid = 0; @@ -175,7 +173,7 @@ static inline int microcode_update_match(int cpu_num, return 1; } -static int microcode_sanity_check(void *mc) +int microcode_sanity_check(void *mc) { struct microcode_header *mc_header = mc; struct extended_sigtable *ext_header = NULL; @@ -259,7 +257,7 @@ static int microcode_sanity_check(void *mc) * return 1 - found update * return < 0 - error */ -static int get_maching_microcode(void *mc, int cpu) +int get_matching_microcode(void *mc, int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; struct microcode_header *mc_header = mc; @@ -288,7 +286,7 @@ static int get_maching_microcode(void *mc, int cpu) return 0; find: pr_debug("microcode: CPU%d found a matching microcode update with" - " version 0x%x (current=0x%x)\n", cpu, mc_header->rev,uci->rev); + " version 0x%x (current=0x%x)\n", cpu, mc_header->rev, uci->rev); new_mc = vmalloc(total_size); if (!new_mc) { printk(KERN_ERR "microcode: error! Can not allocate memory\n"); @@ -303,7 +301,7 @@ find: return 1; } -static void apply_microcode(int cpu) +void apply_microcode(int cpu) { unsigned long flags; unsigned int val[2]; @@ -344,10 +342,10 @@ static void apply_microcode(int cpu) } #ifdef CONFIG_MICROCODE_OLD_INTERFACE -static void __user *user_buffer; /* user area microcode data buffer */ -static unsigned int user_buffer_size; /* it's size */ +extern void __user *user_buffer; /* user area microcode data buffer */ +extern unsigned int user_buffer_size; /* it's size */ -static long get_next_ucode(void **mc, long offset) +long get_next_ucode(void **mc, long offset) { struct microcode_header mc_header; unsigned long total_size; @@ -375,117 +373,6 @@ static long get_next_ucode(void **mc, long offset) } return offset + total_size; } - -static int do_microcode_update (void) -{ - long cursor = 0; - int error = 0; - void *new_mc = NULL; - int cpu; - cpumask_t old; - cpumask_of_cpu_ptr_declare(newmask); - - old = current->cpus_allowed; - - while ((cursor = get_next_ucode(&new_mc, cursor)) > 0) { - error = microcode_sanity_check(new_mc); - if (error) - goto out; - /* - * It's possible the data file has multiple matching ucode, - * lets keep searching till the latest version - */ - for_each_online_cpu(cpu) { - struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - - if (!uci->valid) - continue; - cpumask_of_cpu_ptr_next(newmask, cpu); - set_cpus_allowed_ptr(current, newmask); - error = get_maching_microcode(new_mc, cpu); - if (error < 0) - goto out; - if (error == 1) - apply_microcode(cpu); - } - vfree(new_mc); - } -out: - if (cursor > 0) - vfree(new_mc); - if (cursor < 0) - error = cursor; - set_cpus_allowed_ptr(current, &old); - return error; -} - -static int microcode_open (struct inode *unused1, struct file *unused2) -{ - cycle_kernel_lock(); - return capable(CAP_SYS_RAWIO) ? 0 : -EPERM; -} - -static ssize_t microcode_write (struct file *file, const char __user *buf, size_t len, loff_t *ppos) -{ - ssize_t ret; - - if ((len >> PAGE_SHIFT) > num_physpages) { - printk(KERN_ERR "microcode: too much data (max %ld pages)\n", num_physpages); - return -EINVAL; - } - - get_online_cpus(); - mutex_lock(µcode_mutex); - - user_buffer = (void __user *) buf; - user_buffer_size = (int) len; - - ret = do_microcode_update(); - if (!ret) - ret = (ssize_t)len; - - mutex_unlock(µcode_mutex); - put_online_cpus(); - - return ret; -} - -static const struct file_operations microcode_fops = { - .owner = THIS_MODULE, - .write = microcode_write, - .open = microcode_open, -}; - -static struct miscdevice microcode_dev = { - .minor = MICROCODE_MINOR, - .name = "microcode", - .fops = µcode_fops, -}; - -static int __init microcode_dev_init (void) -{ - int error; - - error = misc_register(µcode_dev); - if (error) { - printk(KERN_ERR - "microcode: can't misc_register on minor=%d\n", - MICROCODE_MINOR); - return error; - } - - return 0; -} - -static void microcode_dev_exit (void) -{ - misc_deregister(µcode_dev); -} - -MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); -#else -#define microcode_dev_init() 0 -#define microcode_dev_exit() do { } while(0) #endif static long get_next_ucode_from_buffer(void **mc, const u8 *buf, @@ -515,9 +402,9 @@ static long get_next_ucode_from_buffer(void **mc, const u8 *buf, } /* fake device for request_firmware */ -static struct platform_device *microcode_pdev; +extern struct platform_device *microcode_pdev; -static int cpu_request_microcode(int cpu) +int cpu_request_microcode(int cpu) { char name[30]; struct cpuinfo_x86 *c = &cpu_data(cpu); @@ -530,7 +417,7 @@ static int cpu_request_microcode(int cpu) /* We should bind the task to the CPU */ BUG_ON(cpu != raw_smp_processor_id()); - sprintf(name,"intel-ucode/%02x-%02x-%02x", + sprintf(name, "intel-ucode/%02x-%02x-%02x", c->x86, c->x86_model, c->x86_mask); error = request_firmware(&firmware, name, µcode_pdev->dev); if (error) { @@ -544,7 +431,7 @@ static int cpu_request_microcode(int cpu) error = microcode_sanity_check(mc); if (error) break; - error = get_maching_microcode(mc, cpu); + error = get_matching_microcode(mc, cpu); if (error < 0) break; /* @@ -566,7 +453,7 @@ static int cpu_request_microcode(int cpu) return error; } -static int apply_microcode_check_cpu(int cpu) +int apply_microcode_check_cpu(int cpu) { struct cpuinfo_x86 *c = &cpu_data(cpu); struct ucode_cpu_info *uci = ucode_cpu_info + cpu; @@ -615,241 +502,13 @@ static int apply_microcode_check_cpu(int cpu) return err; } -static void microcode_init_cpu(int cpu, int resume) -{ - cpumask_t old; - cpumask_of_cpu_ptr(newmask, cpu); - struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - - old = current->cpus_allowed; - - set_cpus_allowed_ptr(current, newmask); - mutex_lock(µcode_mutex); - collect_cpu_info(cpu); - if (uci->valid && system_state == SYSTEM_RUNNING && !resume) - cpu_request_microcode(cpu); - mutex_unlock(µcode_mutex); - set_cpus_allowed_ptr(current, &old); -} - -static void microcode_fini_cpu(int cpu) +void microcode_fini_cpu(int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; mutex_lock(µcode_mutex); uci->valid = 0; - vfree(uci->mc); + kfree(uci->mc); uci->mc = NULL; mutex_unlock(µcode_mutex); } - -static ssize_t reload_store(struct sys_device *dev, - struct sysdev_attribute *attr, - const char *buf, size_t sz) -{ - struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; - char *end; - unsigned long val = simple_strtoul(buf, &end, 0); - int err = 0; - int cpu = dev->id; - - if (end == buf) - return -EINVAL; - if (val == 1) { - cpumask_t old; - cpumask_of_cpu_ptr(newmask, cpu); - - old = current->cpus_allowed; - - get_online_cpus(); - set_cpus_allowed_ptr(current, newmask); - - mutex_lock(µcode_mutex); - if (uci->valid) - err = cpu_request_microcode(cpu); - mutex_unlock(µcode_mutex); - put_online_cpus(); - set_cpus_allowed_ptr(current, &old); - } - if (err) - return err; - return sz; -} - -static ssize_t version_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) -{ - struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; - - return sprintf(buf, "0x%x\n", uci->rev); -} - -static ssize_t pf_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) -{ - struct ucode_cpu_info *uci = ucode_cpu_info + dev->id; - - return sprintf(buf, "0x%x\n", uci->pf); -} - -static SYSDEV_ATTR(reload, 0200, NULL, reload_store); -static SYSDEV_ATTR(version, 0400, version_show, NULL); -static SYSDEV_ATTR(processor_flags, 0400, pf_show, NULL); - -static struct attribute *mc_default_attrs[] = { - &attr_reload.attr, - &attr_version.attr, - &attr_processor_flags.attr, - NULL -}; - -static struct attribute_group mc_attr_group = { - .attrs = mc_default_attrs, - .name = "microcode", -}; - -static int __mc_sysdev_add(struct sys_device *sys_dev, int resume) -{ - int err, cpu = sys_dev->id; - struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - - if (!cpu_online(cpu)) - return 0; - - pr_debug("microcode: CPU%d added\n", cpu); - memset(uci, 0, sizeof(*uci)); - - err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group); - if (err) - return err; - - microcode_init_cpu(cpu, resume); - - return 0; -} - -static int mc_sysdev_add(struct sys_device *sys_dev) -{ - return __mc_sysdev_add(sys_dev, 0); -} - -static int mc_sysdev_remove(struct sys_device *sys_dev) -{ - int cpu = sys_dev->id; - - if (!cpu_online(cpu)) - return 0; - - pr_debug("microcode: CPU%d removed\n", cpu); - microcode_fini_cpu(cpu); - sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); - return 0; -} - -static int mc_sysdev_resume(struct sys_device *dev) -{ - int cpu = dev->id; - - if (!cpu_online(cpu)) - return 0; - pr_debug("microcode: CPU%d resumed\n", cpu); - /* only CPU 0 will apply ucode here */ - apply_microcode(0); - return 0; -} - -static struct sysdev_driver mc_sysdev_driver = { - .add = mc_sysdev_add, - .remove = mc_sysdev_remove, - .resume = mc_sysdev_resume, -}; - -static __cpuinit int -mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) -{ - unsigned int cpu = (unsigned long)hcpu; - struct sys_device *sys_dev; - - sys_dev = get_cpu_sysdev(cpu); - switch (action) { - case CPU_UP_CANCELED_FROZEN: - /* The CPU refused to come up during a system resume */ - microcode_fini_cpu(cpu); - break; - case CPU_ONLINE: - case CPU_DOWN_FAILED: - mc_sysdev_add(sys_dev); - break; - case CPU_ONLINE_FROZEN: - /* System-wide resume is in progress, try to apply microcode */ - if (apply_microcode_check_cpu(cpu)) { - /* The application of microcode failed */ - microcode_fini_cpu(cpu); - __mc_sysdev_add(sys_dev, 1); - break; - } - case CPU_DOWN_FAILED_FROZEN: - if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group)) - printk(KERN_ERR "microcode: Failed to create the sysfs " - "group for CPU%d\n", cpu); - break; - case CPU_DOWN_PREPARE: - mc_sysdev_remove(sys_dev); - break; - case CPU_DOWN_PREPARE_FROZEN: - /* Suspend is in progress, only remove the interface */ - sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); - break; - } - return NOTIFY_OK; -} - -static struct notifier_block __refdata mc_cpu_notifier = { - .notifier_call = mc_cpu_callback, -}; - -static int __init microcode_init (void) -{ - int error; - - printk(KERN_INFO - "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " \n"); - - error = microcode_dev_init(); - if (error) - return error; - microcode_pdev = platform_device_register_simple("microcode", -1, - NULL, 0); - if (IS_ERR(microcode_pdev)) { - microcode_dev_exit(); - return PTR_ERR(microcode_pdev); - } - - get_online_cpus(); - error = sysdev_driver_register(&cpu_sysdev_class, &mc_sysdev_driver); - put_online_cpus(); - if (error) { - microcode_dev_exit(); - platform_device_unregister(microcode_pdev); - return error; - } - - register_hotcpu_notifier(&mc_cpu_notifier); - return 0; -} - -static void __exit microcode_exit (void) -{ - microcode_dev_exit(); - - unregister_hotcpu_notifier(&mc_cpu_notifier); - - get_online_cpus(); - sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver); - put_online_cpus(); - - platform_device_unregister(microcode_pdev); -} - -module_init(microcode_init) -module_exit(microcode_exit) -- GitLab From d4ee36686853d5714437c4409f17ad42bfaf4211 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:18 +0200 Subject: [PATCH 0176/6244] x86: structure declaration renaming Renamed common structures to vendor specific naming scheme so other vendors will be able to use the same naming convention. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_intel.c | 46 ++++++++++++++++--------------- include/asm-x86/microcode.h | 10 ++++--- 2 files changed, 30 insertions(+), 26 deletions(-) diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index eded0a154ea8..ca9861bf067e 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -100,17 +100,19 @@ MODULE_AUTHOR("Tigran Aivazian "); MODULE_LICENSE("GPL"); #define DEFAULT_UCODE_DATASIZE (2000) /* 2000 bytes */ -#define MC_HEADER_SIZE (sizeof(struct microcode_header)) /* 48 bytes */ +#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) /* 48 bytes */ #define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 2048 bytes */ #define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) /* 20 bytes */ #define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) /* 12 bytes */ #define DWSIZE (sizeof(u32)) #define get_totalsize(mc) \ - (((struct microcode *)mc)->hdr.totalsize ? \ - ((struct microcode *)mc)->hdr.totalsize : DEFAULT_UCODE_TOTALSIZE) + (((struct microcode_intel *)mc)->hdr.totalsize ? \ + ((struct microcode_intel *)mc)->hdr.totalsize : \ + DEFAULT_UCODE_TOTALSIZE) + #define get_datasize(mc) \ - (((struct microcode *)mc)->hdr.datasize ? \ - ((struct microcode *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) + (((struct microcode_intel *)mc)->hdr.datasize ? \ + ((struct microcode_intel *)mc)->hdr.datasize : DEFAULT_UCODE_DATASIZE) #define sigmatch(s1, s2, p1, p2) \ (((s1) == (s2)) && (((p1) & (p2)) || (((p1) == 0) && ((p2) == 0)))) @@ -134,7 +136,7 @@ void collect_cpu_info(int cpu_num) /* We should bind the task to the CPU */ BUG_ON(raw_smp_processor_id() != cpu_num); uci->pf = uci->rev = 0; - uci->mc = NULL; + uci->mc.mc_intel = NULL; uci->valid = 1; if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 || @@ -163,7 +165,7 @@ void collect_cpu_info(int cpu_num) } static inline int microcode_update_match(int cpu_num, - struct microcode_header *mc_header, int sig, int pf) + struct microcode_header_intel *mc_header, int sig, int pf) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; @@ -175,7 +177,7 @@ static inline int microcode_update_match(int cpu_num, int microcode_sanity_check(void *mc) { - struct microcode_header *mc_header = mc; + struct microcode_header_intel *mc_header = mc; struct extended_sigtable *ext_header = NULL; struct extended_signature *ext_sig; unsigned long total_size, data_size, ext_table_size; @@ -260,7 +262,7 @@ int microcode_sanity_check(void *mc) int get_matching_microcode(void *mc, int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; - struct microcode_header *mc_header = mc; + struct microcode_header_intel *mc_header = mc; struct extended_sigtable *ext_header; unsigned long total_size = get_totalsize(mc_header); int ext_sigcount, i; @@ -294,10 +296,10 @@ find: } /* free previous update file */ - vfree(uci->mc); + vfree(uci->mc.mc_intel); memcpy(new_mc, mc, total_size); - uci->mc = new_mc; + uci->mc.mc_intel = new_mc; return 1; } @@ -311,7 +313,7 @@ void apply_microcode(int cpu) /* We should bind the task to the CPU */ BUG_ON(cpu_num != cpu); - if (uci->mc == NULL) + if (uci->mc.mc_intel == NULL) return; /* serialize access to the physical write to MSR 0x79 */ @@ -319,8 +321,8 @@ void apply_microcode(int cpu) /* write microcode via MSR 0x79 */ wrmsr(MSR_IA32_UCODE_WRITE, - (unsigned long) uci->mc->bits, - (unsigned long) uci->mc->bits >> 16 >> 16); + (unsigned long) uci->mc.mc_intel->bits, + (unsigned long) uci->mc.mc_intel->bits >> 16 >> 16); wrmsr(MSR_IA32_UCODE_REV, 0, 0); /* see notes above for revision 1.07. Apparent chip bug */ @@ -330,14 +332,14 @@ void apply_microcode(int cpu) rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]); spin_unlock_irqrestore(µcode_update_lock, flags); - if (val[1] != uci->mc->hdr.rev) { + if (val[1] != uci->mc.mc_intel->hdr.rev) { printk(KERN_ERR "microcode: CPU%d update from revision " "0x%x to 0x%x failed\n", cpu_num, uci->rev, val[1]); return; } printk(KERN_INFO "microcode: CPU%d updated from revision " "0x%x to 0x%x, date = %08x \n", - cpu_num, uci->rev, val[1], uci->mc->hdr.date); + cpu_num, uci->rev, val[1], uci->mc.mc_intel->hdr.date); uci->rev = val[1]; } @@ -347,7 +349,7 @@ extern unsigned int user_buffer_size; /* it's size */ long get_next_ucode(void **mc, long offset) { - struct microcode_header mc_header; + struct microcode_header_intel mc_header; unsigned long total_size; /* No more data */ @@ -378,13 +380,13 @@ long get_next_ucode(void **mc, long offset) static long get_next_ucode_from_buffer(void **mc, const u8 *buf, unsigned long size, long offset) { - struct microcode_header *mc_header; + struct microcode_header_intel *mc_header; unsigned long total_size; /* No more data */ if (offset >= size) return 0; - mc_header = (struct microcode_header *)(buf + offset); + mc_header = (struct microcode_header_intel *)(buf + offset); total_size = get_totalsize(mc_header); if (offset + total_size > size) { @@ -463,7 +465,7 @@ int apply_microcode_check_cpu(int cpu) int err = 0; /* Check if the microcode is available */ - if (!uci->mc) + if (!uci->mc.mc_intel) return 0; old = current->cpus_allowed; @@ -508,7 +510,7 @@ void microcode_fini_cpu(int cpu) mutex_lock(µcode_mutex); uci->valid = 0; - kfree(uci->mc); - uci->mc = NULL; + kfree(uci->mc.mc_intel); + uci->mc.mc_intel = NULL; mutex_unlock(µcode_mutex); } diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index d34a1fc1b173..ef77c6f438bf 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -1,4 +1,4 @@ -struct microcode_header { +struct microcode_header_intel { unsigned int hdrver; unsigned int rev; unsigned int date; @@ -11,8 +11,8 @@ struct microcode_header { unsigned int reserved[3]; }; -struct microcode { - struct microcode_header hdr; +struct microcode_intel { + struct microcode_header_intel hdr; unsigned int bits[0]; }; @@ -35,5 +35,7 @@ struct ucode_cpu_info { unsigned int sig; unsigned int pf; unsigned int rev; - struct microcode *mc; + union { + struct microcode_intel *mc_intel; + } mc; }; -- GitLab From 9835fd4ad9ee5fc6b909df72aa3e3dba04415f4b Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:19 +0200 Subject: [PATCH 0177/6244] x86: add AMD specific declarations Added AMD specific declarations to header file. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- include/asm-x86/microcode.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index ef77c6f438bf..4e941721c0d1 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -30,6 +30,35 @@ struct extended_sigtable { struct extended_signature sigs[0]; }; +struct equiv_cpu_entry { + unsigned int installed_cpu; + unsigned int fixed_errata_mask; + unsigned int fixed_errata_compare; + unsigned int equiv_cpu; +}; + +struct microcode_header_amd { + unsigned int data_code; + unsigned int patch_id; + unsigned char mc_patch_data_id[2]; + unsigned char mc_patch_data_len; + unsigned char init_flag; + unsigned int mc_patch_data_checksum; + unsigned int nb_dev_id; + unsigned int sb_dev_id; + unsigned char processor_rev_id[2]; + unsigned char nb_rev_id; + unsigned char sb_rev_id; + unsigned char bios_api_rev; + unsigned char reserved1[3]; + unsigned int match_reg[8]; +}; + +struct microcode_amd { + struct microcode_header_amd hdr; + unsigned int mpb[0]; +}; + struct ucode_cpu_info { int valid; unsigned int sig; @@ -37,5 +66,6 @@ struct ucode_cpu_info { unsigned int rev; union { struct microcode_intel *mc_intel; + struct microcode_amd *mc_amd; } mc; }; -- GitLab From 26bf7a48c33906cc3415a4492aa9ead7a75f1353 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:20 +0200 Subject: [PATCH 0178/6244] x86: first step of refactoring, introducing microcode_ops Refactoring with the goal of having one general module and separate vendor specific modules that hook into the general one. Microcode_ops is a function pointer structure in which vendor specific modules will enter all functions that differ between vendors and that need to be accessed from the general module. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- include/asm-x86/microcode.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index 4e941721c0d1..9231c876e374 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -1,3 +1,16 @@ +struct microcode_ops { + long (*get_next_ucode)(void **mc, long offset); + long (*microcode_get_next_ucode)(void **mc, long offset); + int (*get_matching_microcode)(void *mc, int cpu); + int (*apply_microcode_check_cpu)(int cpu); + int (*microcode_sanity_check)(void *mc); + int (*cpu_request_microcode)(int cpu); + void (*collect_cpu_info)(int cpu_num); + void (*apply_microcode)(int cpu); + void (*microcode_fini_cpu)(int cpu); + void (*clear_patch)(void *data); +}; + struct microcode_header_intel { unsigned int hdrver; unsigned int rev; -- GitLab From 8d86f390d9bb5b39f0a315838d1616de6363e1b9 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:21 +0200 Subject: [PATCH 0179/6244] x86: major refactoring Refactored code by introducing a two-module solution. There is one general module in which vendor specific modules can hook into. However, that is exclusive, there is only one vendor specific module allowed at a time. A CPU vendor check makes sure only the correct module for the underlying system gets called. Functinally in terms of patch loading itself there are no changes. This refactoring provides a basis for future implementations of other vendors' patch loaders. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 25 ++++++++-- arch/x86/kernel/Makefile | 4 +- arch/x86/kernel/microcode.c | 80 ++++++++++++++++++------------- arch/x86/kernel/microcode_intel.c | 50 +++++++++++++++---- include/asm-x86/microcode.h | 3 ++ 5 files changed, 112 insertions(+), 50 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b6fa2877b173..6b0b885cf47a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -782,7 +782,7 @@ config X86_REBOOTFIXUPS Say N otherwise. config MICROCODE - tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support" + tristate "/dev/cpu/microcode - microcode support" select FW_LOADER ---help--- If you say Y here, you will be able to update the microcode on @@ -791,14 +791,29 @@ config MICROCODE actual microcode binary data itself which is not shipped with the Linux kernel. - For latest news and information on obtaining all the required - ingredients for this driver, check: - . + This option selects the general module only, you need to select + at least one vendor specific module as well. To compile this driver as a module, choose M here: the module will be called microcode. -config MICROCODE_OLD_INTERFACE +config MICROCODE_INTEL + tristate "Intel microcode patch loading support" + depends on MICROCODE + default MICROCODE + select FW_LOADER + --help--- + This options enables microcode patch loading support for Intel + processors. + + For latest news and information on obtaining all the required + Intel ingredients for this driver, check: + . + + This driver is only available as a module: the module + will be called microcode_intel. + + config MICROCODE_OLD_INTERFACE def_bool y depends on MICROCODE diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index abb32aed7f4b..f2f9f6da8c18 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -51,8 +51,8 @@ obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o obj-$(CONFIG_MCA) += mca_32.o obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o -obj-$(CONFIG_MICROCODE) += ucode.o -ucode-objs := microcode.o microcode_intel.o +obj-$(CONFIG_MICROCODE) += microcode.o +obj-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o obj-$(CONFIG_PCI) += early-quirks.o apm-y := apm_32.o obj-$(CONFIG_APM) += apm.o diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index c1047d7f7ede..1e42e79ca694 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -99,25 +99,22 @@ MODULE_DESCRIPTION("Microcode Update Driver"); MODULE_AUTHOR("Tigran Aivazian "); MODULE_LICENSE("GPL"); -#define MICROCODE_VERSION "1.14a" +#define MICROCODE_VERSION "2.00" -/* no concurrent ->write()s are allowed on /dev/cpu/microcode */ -DEFINE_MUTEX(microcode_mutex); +struct microcode_ops *microcode_ops; -struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; +/* no concurrent ->write()s are allowed on /dev/cpu/microcode */ +static DEFINE_MUTEX(microcode_mutex); +EXPORT_SYMBOL_GPL(microcode_mutex); -extern long get_next_ucode(void **mc, long offset); -extern int microcode_sanity_check(void *mc); -extern int get_matching_microcode(void *mc, int cpu); -extern void collect_cpu_info(int cpu_num); -extern int cpu_request_microcode(int cpu); -extern void microcode_fini_cpu(int cpu); -extern void apply_microcode(int cpu); -extern int apply_microcode_check_cpu(int cpu); +static struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; +EXPORT_SYMBOL_GPL(ucode_cpu_info); #ifdef CONFIG_MICROCODE_OLD_INTERFACE -void __user *user_buffer; /* user area microcode data buffer */ -unsigned int user_buffer_size; /* it's size */ +static void __user *user_buffer; /* user area microcode data buffer */ +EXPORT_SYMBOL_GPL(user_buffer); +static unsigned int user_buffer_size; /* it's size */ +EXPORT_SYMBOL_GPL(user_buffer_size); static int do_microcode_update (void) { @@ -130,8 +127,8 @@ static int do_microcode_update (void) old = current->cpus_allowed; - while ((cursor = get_next_ucode(&new_mc, cursor)) > 0) { - error = microcode_sanity_check(new_mc); + while ((cursor = microcode_ops->get_next_ucode(&new_mc, cursor)) > 0) { + error = microcode_ops->microcode_sanity_check(new_mc); if (error) goto out; /* @@ -145,11 +142,12 @@ static int do_microcode_update (void) continue; cpumask_of_cpu_ptr_next(newmask, cpu); set_cpus_allowed_ptr(current, newmask); - error = get_maching_microcode(new_mc, cpu); + error = microcode_ops->get_matching_microcode(new_mc, + cpu); if (error < 0) goto out; if (error == 1) - apply_microcode(cpu); + microcode_ops->apply_microcode(cpu); } vfree(new_mc); } @@ -232,7 +230,8 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); #endif /* fake device for request_firmware */ -struct platform_device *microcode_pdev; +static struct platform_device *microcode_pdev; +EXPORT_SYMBOL_GPL(microcode_pdev); static void microcode_init_cpu(int cpu, int resume) { @@ -244,9 +243,9 @@ static void microcode_init_cpu(int cpu, int resume) set_cpus_allowed_ptr(current, newmask); mutex_lock(µcode_mutex); - collect_cpu_info(cpu); + microcode_ops->collect_cpu_info(cpu); if (uci->valid && system_state == SYSTEM_RUNNING && !resume) - cpu_request_microcode(cpu); + microcode_ops->cpu_request_microcode(cpu); mutex_unlock(µcode_mutex); set_cpus_allowed_ptr(current, &old); } @@ -274,7 +273,7 @@ static ssize_t reload_store(struct sys_device *dev, mutex_lock(µcode_mutex); if (uci->valid) - err = cpu_request_microcode(cpu); + err = microcode_ops->cpu_request_microcode(cpu); mutex_unlock(µcode_mutex); put_online_cpus(); set_cpus_allowed_ptr(current, &old); @@ -349,7 +348,7 @@ static int mc_sysdev_remove(struct sys_device *sys_dev) return 0; pr_debug("microcode: CPU%d removed\n", cpu); - microcode_fini_cpu(cpu); + microcode_ops->microcode_fini_cpu(cpu); sysfs_remove_group(&sys_dev->kobj, &mc_attr_group); return 0; } @@ -362,7 +361,7 @@ static int mc_sysdev_resume(struct sys_device *dev) return 0; pr_debug("microcode: CPU%d resumed\n", cpu); /* only CPU 0 will apply ucode here */ - apply_microcode(0); + microcode_ops->apply_microcode(0); return 0; } @@ -382,7 +381,7 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) switch (action) { case CPU_UP_CANCELED_FROZEN: /* The CPU refused to come up during a system resume */ - microcode_fini_cpu(cpu); + microcode_ops->microcode_fini_cpu(cpu); break; case CPU_ONLINE: case CPU_DOWN_FAILED: @@ -390,9 +389,9 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) break; case CPU_ONLINE_FROZEN: /* System-wide resume is in progress, try to apply microcode */ - if (apply_microcode_check_cpu(cpu)) { + if (microcode_ops->apply_microcode_check_cpu(cpu)) { /* The application of microcode failed */ - microcode_fini_cpu(cpu); + microcode_ops->microcode_fini_cpu(cpu); __mc_sysdev_add(sys_dev, 1); break; } @@ -416,12 +415,17 @@ static struct notifier_block __refdata mc_cpu_notifier = { .notifier_call = mc_cpu_callback, }; -static int __init microcode_init (void) +static int microcode_init(void *opaque, struct module *module) { + struct microcode_ops *ops = (struct microcode_ops *)opaque; int error; - printk(KERN_INFO - "IA-32 Microcode Update Driver: v" MICROCODE_VERSION " \n"); + if (microcode_ops) { + printk(KERN_ERR "microcode: already loaded the other module\n"); + return -EEXIST; + } + + microcode_ops = ops; error = microcode_dev_init(); if (error) @@ -443,8 +447,15 @@ static int __init microcode_init (void) } register_hotcpu_notifier(&mc_cpu_notifier); + + printk(KERN_INFO + "Microcode Update Driver: v" MICROCODE_VERSION + " " + " \n"); + return 0; } +EXPORT_SYMBOL_GPL(microcode_init); static void __exit microcode_exit (void) { @@ -457,7 +468,10 @@ static void __exit microcode_exit (void) put_online_cpus(); platform_device_unregister(microcode_pdev); -} -module_init(microcode_init) -module_exit(microcode_exit) + microcode_ops = NULL; + + printk(KERN_INFO + "Microcode Update Driver: v" MICROCODE_VERSION " removed.\n"); +} +EXPORT_SYMBOL_GPL(microcode_exit); diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index ca9861bf067e..831db5363dba 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -127,7 +127,7 @@ extern struct mutex microcode_mutex; extern struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; -void collect_cpu_info(int cpu_num) +static void collect_cpu_info(int cpu_num) { struct cpuinfo_x86 *c = &cpu_data(cpu_num); struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; @@ -175,7 +175,7 @@ static inline int microcode_update_match(int cpu_num, return 1; } -int microcode_sanity_check(void *mc) +static int microcode_sanity_check(void *mc) { struct microcode_header_intel *mc_header = mc; struct extended_sigtable *ext_header = NULL; @@ -259,7 +259,7 @@ int microcode_sanity_check(void *mc) * return 1 - found update * return < 0 - error */ -int get_matching_microcode(void *mc, int cpu) +static int get_matching_microcode(void *mc, int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; struct microcode_header_intel *mc_header = mc; @@ -288,7 +288,8 @@ int get_matching_microcode(void *mc, int cpu) return 0; find: pr_debug("microcode: CPU%d found a matching microcode update with" - " version 0x%x (current=0x%x)\n", cpu, mc_header->rev, uci->rev); + " version 0x%x (current=0x%x)\n", + cpu, mc_header->rev, uci->rev); new_mc = vmalloc(total_size); if (!new_mc) { printk(KERN_ERR "microcode: error! Can not allocate memory\n"); @@ -303,7 +304,7 @@ find: return 1; } -void apply_microcode(int cpu) +static void apply_microcode(int cpu) { unsigned long flags; unsigned int val[2]; @@ -347,7 +348,7 @@ void apply_microcode(int cpu) extern void __user *user_buffer; /* user area microcode data buffer */ extern unsigned int user_buffer_size; /* it's size */ -long get_next_ucode(void **mc, long offset) +static long get_next_ucode(void **mc, long offset) { struct microcode_header_intel mc_header; unsigned long total_size; @@ -406,7 +407,7 @@ static long get_next_ucode_from_buffer(void **mc, const u8 *buf, /* fake device for request_firmware */ extern struct platform_device *microcode_pdev; -int cpu_request_microcode(int cpu) +static int cpu_request_microcode(int cpu) { char name[30]; struct cpuinfo_x86 *c = &cpu_data(cpu); @@ -455,7 +456,7 @@ int cpu_request_microcode(int cpu) return error; } -int apply_microcode_check_cpu(int cpu) +static int apply_microcode_check_cpu(int cpu) { struct cpuinfo_x86 *c = &cpu_data(cpu); struct ucode_cpu_info *uci = ucode_cpu_info + cpu; @@ -504,13 +505,42 @@ int apply_microcode_check_cpu(int cpu) return err; } -void microcode_fini_cpu(int cpu) +static void microcode_fini_cpu(int cpu) { struct ucode_cpu_info *uci = ucode_cpu_info + cpu; mutex_lock(µcode_mutex); uci->valid = 0; - kfree(uci->mc.mc_intel); + vfree(uci->mc.mc_intel); uci->mc.mc_intel = NULL; mutex_unlock(µcode_mutex); } + +static struct microcode_ops microcode_intel_ops = { + .get_next_ucode = get_next_ucode, + .get_matching_microcode = get_matching_microcode, + .microcode_sanity_check = microcode_sanity_check, + .apply_microcode_check_cpu = apply_microcode_check_cpu, + .cpu_request_microcode = cpu_request_microcode, + .collect_cpu_info = collect_cpu_info, + .apply_microcode = apply_microcode, + .microcode_fini_cpu = microcode_fini_cpu, +}; + +static int __init microcode_intel_module_init(void) +{ + struct cpuinfo_x86 *c = &cpu_data(get_cpu()); + + if (c->x86_vendor == X86_VENDOR_INTEL) + return microcode_init(µcode_intel_ops, THIS_MODULE); + else + return -ENODEV; +} + +static void __exit microcode_intel_module_exit(void) +{ + microcode_exit(); +} + +module_init(microcode_intel_module_init) +module_exit(microcode_intel_module_exit) diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h index 9231c876e374..18b2aeec2adf 100644 --- a/include/asm-x86/microcode.h +++ b/include/asm-x86/microcode.h @@ -1,3 +1,6 @@ +extern int microcode_init(void *opaque, struct module *module); +extern void microcode_exit(void); + struct microcode_ops { long (*get_next_ucode)(void **mc, long offset); long (*microcode_get_next_ucode)(void **mc, long offset); -- GitLab From 80cc9f1020f49c9e5b50898c102fd444de70a0a3 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Mon, 28 Jul 2008 18:44:22 +0200 Subject: [PATCH 0180/6244] x86: AMD microcode patch loading support This patch introduces microcode patch loading for AMD processors. It is based on previous corresponding work for Intel processors. It hooks into the general patch loading module. Main difference is that a container file format is used to hold all patch data for multiple processors as well as an equivalent CPU table, which comes seperately, as opposed to Intel's microcode patching solution. Kconfig and Makefile have been changed provice config and build option for new source file. Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 21 +- arch/x86/kernel/Makefile | 1 + arch/x86/kernel/microcode_amd.c | 521 ++++++++++++++++++++++++++++++++ 3 files changed, 539 insertions(+), 4 deletions(-) create mode 100644 arch/x86/kernel/microcode_amd.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 6b0b885cf47a..7bb461758d31 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -786,10 +786,12 @@ config MICROCODE select FW_LOADER ---help--- If you say Y here, you will be able to update the microcode on - Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II, - Pentium III, Pentium 4, Xeon etc. You will obviously need the - actual microcode binary data itself which is not shipped with the - Linux kernel. + certain Intel and AMD processors. The Intel support is for the + IA32 family, e.g. Pentium Pro, Pentium II, Pentium III, + Pentium 4, Xeon etc. The AMD support is for family 0x10 and + 0x11 processors, e.g. Opteron, Phenom and Turion 64 Ultra. + You will obviously need the actual microcode binary data itself + which is not shipped with the Linux kernel. This option selects the general module only, you need to select at least one vendor specific module as well. @@ -813,6 +815,17 @@ config MICROCODE_INTEL This driver is only available as a module: the module will be called microcode_intel. +config MICROCODE_AMD + tristate "AMD microcode patch loading support" + depends on MICROCODE + select FW_LOADER + --help--- + If you select this option, microcode patch loading support for AMD + processors will be enabled. + + This driver is only available as a module: the module + will be called microcode_amd. + config MICROCODE_OLD_INTERFACE def_bool y depends on MICROCODE diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index f2f9f6da8c18..be454f348c3b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -53,6 +53,7 @@ obj-$(CONFIG_X86_MSR) += msr.o obj-$(CONFIG_X86_CPUID) += cpuid.o obj-$(CONFIG_MICROCODE) += microcode.o obj-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o +obj-$(CONFIG_MICROCODE_AMD) += microcode_amd.o obj-$(CONFIG_PCI) += early-quirks.o apm-y := apm_32.o obj-$(CONFIG_APM) += apm.o diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c new file mode 100644 index 000000000000..db199e3fdd1f --- /dev/null +++ b/arch/x86/kernel/microcode_amd.c @@ -0,0 +1,521 @@ +/* + * AMD CPU Microcode Update Driver for Linux + * Copyright (C) 2008 Advanced Micro Devices Inc. + * + * Author: Peter Oruba + * + * Based on work by: + * Tigran Aivazian + * + * This driver allows to upgrade microcode on AMD + * family 0x10 and 0x11 processors. + * + * Licensed unter the terms of the GNU General Public + * License version 2. See file COPYING for details. +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +MODULE_DESCRIPTION("AMD Microcode Update Driver"); +MODULE_AUTHOR("Peter Oruba "); +MODULE_LICENSE("GPLv2"); + +#define UCODE_MAGIC 0x00414d44 +#define UCODE_EQUIV_CPU_TABLE_TYPE 0x00000000 +#define UCODE_UCODE_TYPE 0x00000001 + +#define UCODE_MAX_SIZE (2048) +#define DEFAULT_UCODE_DATASIZE (896) /* 896 bytes */ +#define MC_HEADER_SIZE (sizeof(struct microcode_header_amd)) /* 64 bytes */ +#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 960 bytes */ +#define DWSIZE (sizeof(u32)) +/* For now we support a fixed ucode total size only */ +#define get_totalsize(mc) \ + ((((struct microcode_amd *)mc)->hdr.mc_patch_data_len * 28) \ + + MC_HEADER_SIZE) + +extern int microcode_init(void *opaque, struct module *module); +extern void microcode_exit(void); + +/* serialize access to the physical write */ +static DEFINE_SPINLOCK(microcode_update_lock); + +/* no concurrent ->write()s are allowed on /dev/cpu/microcode */ +extern struct mutex (microcode_mutex); + +struct equiv_cpu_entry *equiv_cpu_table; + +extern struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; + +static void collect_cpu_info_amd(int cpu) +{ + struct cpuinfo_x86 *c = &cpu_data(cpu); + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + + /* We should bind the task to the CPU */ + BUG_ON(raw_smp_processor_id() != cpu); + uci->rev = 0; + uci->pf = 0; + uci->mc.mc_amd = NULL; + uci->valid = 1; + + if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) { + printk(KERN_ERR "microcode: CPU%d not a capable AMD processor\n", + cpu); + uci->valid = 0; + return; + } + + asm volatile("movl %1, %%ecx; rdmsr" + : "=a" (uci->rev) + : "i" (0x0000008B) : "ecx"); + + printk(KERN_INFO "microcode: collect_cpu_info_amd : patch_id=0x%x\n", + uci->rev); +} + +static int get_matching_microcode_amd(void *mc, int cpu) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + struct microcode_header_amd *mc_header = mc; + unsigned long total_size = get_totalsize(mc_header); + void *new_mc; + struct pci_dev *nb_pci_dev, *sb_pci_dev; + unsigned int current_cpu_id; + unsigned int equiv_cpu_id = 0x00; + unsigned int i = 0; + + /* We should bind the task to the CPU */ + BUG_ON(cpu != raw_smp_processor_id()); + + /* This is a tricky part. We might be called from a write operation */ + /* to the device file instead of the usual process of firmware */ + /* loading. This routine needs to be able to distinguish both */ +/* cases. This is done by checking if there alread is a equivalent */ + /* CPU table installed. If not, we're written through */ + /* /dev/cpu/microcode. */ +/* Since we ignore all checks. The error case in which going through */ +/* firmware loading and that table is not loaded has already been */ + /* checked earlier. */ + if (equiv_cpu_table == NULL) { + printk(KERN_INFO "microcode: CPU%d microcode update with " + "version 0x%x (current=0x%x)\n", + cpu, mc_header->patch_id, uci->rev); + goto out; + } + + current_cpu_id = cpuid_eax(0x00000001); + + while (equiv_cpu_table[i].installed_cpu != 0) { + if (current_cpu_id == equiv_cpu_table[i].installed_cpu) { + equiv_cpu_id = equiv_cpu_table[i].equiv_cpu; + break; + } + i++; + } + + if (!equiv_cpu_id) { + printk(KERN_ERR "microcode: CPU%d cpu_id " + "not found in equivalent cpu table \n", cpu); + return 0; + } + + if ((mc_header->processor_rev_id[0]) != (equiv_cpu_id & 0xff)) { + printk(KERN_ERR + "microcode: CPU%d patch does not match " + "(patch is %x, cpu extended is %x) \n", + cpu, mc_header->processor_rev_id[0], + (equiv_cpu_id & 0xff)); + return 0; + } + + if ((mc_header->processor_rev_id[1]) != ((equiv_cpu_id >> 16) & 0xff)) { + printk(KERN_ERR "microcode: CPU%d patch does not match " + "(patch is %x, cpu base id is %x) \n", + cpu, mc_header->processor_rev_id[1], + ((equiv_cpu_id >> 16) & 0xff)); + + return 0; + } + + /* ucode may be northbridge specific */ + if (mc_header->nb_dev_id) { + nb_pci_dev = pci_get_device(PCI_VENDOR_ID_AMD, + (mc_header->nb_dev_id & 0xff), + NULL); + if ((!nb_pci_dev) || + (mc_header->nb_rev_id != nb_pci_dev->revision)) { + printk(KERN_ERR "microcode: CPU%d NB mismatch \n", cpu); + pci_dev_put(nb_pci_dev); + return 0; + } + pci_dev_put(nb_pci_dev); + } + + /* ucode may be southbridge specific */ + if (mc_header->sb_dev_id) { + sb_pci_dev = pci_get_device(PCI_VENDOR_ID_AMD, + (mc_header->sb_dev_id & 0xff), + NULL); + if ((!sb_pci_dev) || + (mc_header->sb_rev_id != sb_pci_dev->revision)) { + printk(KERN_ERR "microcode: CPU%d SB mismatch \n", cpu); + pci_dev_put(sb_pci_dev); + return 0; + } + pci_dev_put(sb_pci_dev); + } + + if (mc_header->patch_id <= uci->rev) + return 0; + + printk(KERN_INFO "microcode: CPU%d found a matching microcode " + "update with version 0x%x (current=0x%x)\n", + cpu, mc_header->patch_id, uci->rev); + +out: + new_mc = vmalloc(UCODE_MAX_SIZE); + if (!new_mc) { + printk(KERN_ERR "microcode: error, can't allocate memory\n"); + return -ENOMEM; + } + memset(new_mc, 0, UCODE_MAX_SIZE); + + /* free previous update file */ + vfree(uci->mc.mc_amd); + + memcpy(new_mc, mc, total_size); + + uci->mc.mc_amd = new_mc; + return 1; +} + +static void apply_microcode_amd(int cpu) +{ + unsigned long flags; + unsigned int eax, edx; + unsigned int rev; + int cpu_num = raw_smp_processor_id(); + struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num; + + /* We should bind the task to the CPU */ + BUG_ON(cpu_num != cpu); + + if (uci->mc.mc_amd == NULL) + return; + + spin_lock_irqsave(µcode_update_lock, flags); + + edx = (unsigned int)(((unsigned long) + &(uci->mc.mc_amd->hdr.data_code)) >> 32); + eax = (unsigned int)(((unsigned long) + &(uci->mc.mc_amd->hdr.data_code)) & 0xffffffffL); + + asm volatile("movl %0, %%ecx; wrmsr" : + : "i" (0xc0010020), "a" (eax), "d" (edx) : "ecx"); + + /* get patch id after patching */ + asm volatile("movl %1, %%ecx; rdmsr" + : "=a" (rev) + : "i" (0x0000008B) : "ecx"); + + spin_unlock_irqrestore(µcode_update_lock, flags); + + /* check current patch id and patch's id for match */ + if (rev != uci->mc.mc_amd->hdr.patch_id) { + printk(KERN_ERR "microcode: CPU%d update from revision " + "0x%x to 0x%x failed\n", cpu_num, + uci->mc.mc_amd->hdr.patch_id, rev); + return; + } + + printk(KERN_INFO "microcode: CPU%d updated from revision " + "0x%x to 0x%x \n", + cpu_num, uci->rev, uci->mc.mc_amd->hdr.patch_id); + + uci->rev = rev; +} + +#ifdef CONFIG_MICROCODE_OLD_INTERFACE +extern void __user *user_buffer; /* user area microcode data buffer */ +extern unsigned int user_buffer_size; /* it's size */ + +static long get_next_ucode_amd(void **mc, long offset) +{ + struct microcode_header_amd mc_header; + unsigned long total_size; + + /* No more data */ + if (offset >= user_buffer_size) + return 0; + if (copy_from_user(&mc_header, user_buffer + offset, MC_HEADER_SIZE)) { + printk(KERN_ERR "microcode: error! Can not read user data\n"); + return -EFAULT; + } + total_size = get_totalsize(&mc_header); + if (offset + total_size > user_buffer_size) { + printk(KERN_ERR "microcode: error! Bad total size in microcode " + "data file\n"); + return -EINVAL; + } + *mc = vmalloc(UCODE_MAX_SIZE); + if (!*mc) + return -ENOMEM; + memset(*mc, 0, UCODE_MAX_SIZE); + + if (copy_from_user(*mc, user_buffer + offset, total_size)) { + printk(KERN_ERR "microcode: error! Can not read user data\n"); + vfree(*mc); + return -EFAULT; + } + return offset + total_size; +} +#else +#define get_next_ucode_amd() NULL +#endif + +static long get_next_ucode_from_buffer_amd(void **mc, void *buf, + unsigned long size, long offset) +{ + struct microcode_header_amd *mc_header; + unsigned long total_size; + unsigned char *buf_pos = buf; + + /* No more data */ + if (offset >= size) + return 0; + + if (buf_pos[offset] != UCODE_UCODE_TYPE) { + printk(KERN_ERR "microcode: error! " + "Wrong microcode payload type field\n"); + return -EINVAL; + } + + mc_header = (struct microcode_header_amd *)(&buf_pos[offset+8]); + + total_size = (unsigned long) (buf_pos[offset+4] + + (buf_pos[offset+5] << 8)); + + printk(KERN_INFO "microcode: size %lu, total_size %lu, offset %ld\n", + size, total_size, offset); + + if (offset + total_size > size) { + printk(KERN_ERR "microcode: error! Bad data in microcode data file\n"); + return -EINVAL; + } + + *mc = vmalloc(UCODE_MAX_SIZE); + if (!*mc) { + printk(KERN_ERR "microcode: error! " + "Can not allocate memory for microcode patch\n"); + return -ENOMEM; + } + + memset(*mc, 0, UCODE_MAX_SIZE); + memcpy(*mc, buf + offset + 8, total_size); + + return offset + total_size + 8; +} + +static long install_equiv_cpu_table(void *buf, unsigned long size, long offset) +{ + unsigned int *buf_pos = buf; + + /* No more data */ + if (offset >= size) + return 0; + + if (buf_pos[1] != UCODE_EQUIV_CPU_TABLE_TYPE) { + printk(KERN_ERR "microcode: error! " + "Wrong microcode equivalnet cpu table type field\n"); + return 0; + } + + if (size == 0) { + printk(KERN_ERR "microcode: error! " + "Wrong microcode equivalnet cpu table length\n"); + return 0; + } + + equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size); + if (!equiv_cpu_table) { + printk(KERN_ERR "microcode: error, can't allocate memory for equiv CPU table\n"); + return 0; + } + + memset(equiv_cpu_table, 0, size); + memcpy(equiv_cpu_table, &buf_pos[3], size); + + return size + 12; /* add header length */ +} + +/* fake device for request_firmware */ +extern struct platform_device *microcode_pdev; + +static int cpu_request_microcode_amd(int cpu) +{ + char name[30]; + const struct firmware *firmware; + void *buf; + unsigned int *buf_pos; + unsigned long size; + long offset = 0; + int error; + void *mc; + + /* We should bind the task to the CPU */ + BUG_ON(cpu != raw_smp_processor_id()); + + sprintf(name, "amd-ucode/microcode_amd.bin"); + error = request_firmware(&firmware, "amd-ucode/microcode_amd.bin", + µcode_pdev->dev); + if (error) { + printk(KERN_ERR "microcode: ucode data file %s load failed\n", + name); + return error; + } + + buf_pos = buf = firmware->data; + size = firmware->size; + + if (buf_pos[0] != UCODE_MAGIC) { + printk(KERN_ERR "microcode: error! Wrong microcode patch file magic\n"); + return -EINVAL; + } + + offset = install_equiv_cpu_table(buf, buf_pos[2], offset); + + if (!offset) { + printk(KERN_ERR "microcode: installing equivalent cpu table failed\n"); + return -EINVAL; + } + + while ((offset = + get_next_ucode_from_buffer_amd(&mc, buf, size, offset)) > 0) { + error = get_matching_microcode_amd(mc, cpu); + if (error < 0) + break; + /* + * It's possible the data file has multiple matching ucode, + * lets keep searching till the latest version + */ + if (error == 1) { + apply_microcode_amd(cpu); + error = 0; + } + vfree(mc); + } + if (offset > 0) { + vfree(mc); + vfree(equiv_cpu_table); + equiv_cpu_table = NULL; + } + if (offset < 0) + error = offset; + release_firmware(firmware); + + return error; +} + +static int apply_microcode_check_cpu_amd(int cpu) +{ + struct cpuinfo_x86 *c = &cpu_data(cpu); + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + unsigned int rev; + cpumask_t old; + cpumask_of_cpu_ptr(newmask, cpu); + int err = 0; + + /* Check if the microcode is available */ + if (!uci->mc.mc_amd) + return 0; + + old = current->cpus_allowed; + set_cpus_allowed(current, newmask); + + /* Check if the microcode we have in memory matches the CPU */ + if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 16) + err = -EINVAL; + + if (!err) { + asm volatile("movl %1, %%ecx; rdmsr" + : "=a" (rev) + : "i" (0x0000008B) : "ecx"); + + if (uci->rev != rev) + err = -EINVAL; + } + + if (!err) + apply_microcode_amd(cpu); + else + printk(KERN_ERR "microcode: Could not apply microcode to CPU%d:" + " rev=0x%x\n", + cpu, uci->rev); + + set_cpus_allowed(current, old); + return err; +} + +static void microcode_fini_cpu_amd(int cpu) +{ + struct ucode_cpu_info *uci = ucode_cpu_info + cpu; + + mutex_lock(µcode_mutex); + uci->valid = 0; + vfree(uci->mc.mc_amd); + uci->mc.mc_amd = NULL; + mutex_unlock(µcode_mutex); +} + +static struct microcode_ops microcode_amd_ops = { + .get_next_ucode = get_next_ucode_amd, + .get_matching_microcode = get_matching_microcode_amd, + .microcode_sanity_check = NULL, + .apply_microcode_check_cpu = apply_microcode_check_cpu_amd, + .cpu_request_microcode = cpu_request_microcode_amd, + .collect_cpu_info = collect_cpu_info_amd, + .apply_microcode = apply_microcode_amd, + .microcode_fini_cpu = microcode_fini_cpu_amd, +}; + +static int __init microcode_amd_module_init(void) +{ + struct cpuinfo_x86 *c = &cpu_data(get_cpu()); + + equiv_cpu_table = NULL; + if (c->x86_vendor == X86_VENDOR_AMD) + return microcode_init(µcode_amd_ops, THIS_MODULE); + else + return -ENODEV; +} + +static void __exit microcode_amd_module_exit(void) +{ + microcode_exit(); +} + +module_init(microcode_amd_module_init) +module_exit(microcode_amd_module_exit) -- GitLab From 45b1e23eca1c53fa79a611a2bc8c93697ede6c97 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 29 Jul 2008 09:42:17 +0200 Subject: [PATCH 0181/6244] x86, microcode support: fix build error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/kernel/microcode.c:412: error: static declaration of ‘microcode_init’ follows non-static declaration include/asm/microcode.h:1: error: previous declaration of ‘microcode_init’ was here arch/x86/kernel/microcode.c:454: error: static declaration of ‘microcode_exit’ follows non-static declaration include/asm/microcode.h:2: error: previous declaration of ‘microcode_exit’ was here Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 1e42e79ca694..9a881845b35b 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -415,7 +415,7 @@ static struct notifier_block __refdata mc_cpu_notifier = { .notifier_call = mc_cpu_callback, }; -static int microcode_init(void *opaque, struct module *module) +int microcode_init(void *opaque, struct module *module) { struct microcode_ops *ops = (struct microcode_ops *)opaque; int error; @@ -457,7 +457,7 @@ static int microcode_init(void *opaque, struct module *module) } EXPORT_SYMBOL_GPL(microcode_init); -static void __exit microcode_exit (void) +void __exit microcode_exit (void) { microcode_dev_exit(); -- GitLab From 224e946b81166d732f3e9b414cb69612072fb500 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 29 Jul 2008 09:52:55 +0200 Subject: [PATCH 0182/6244] x86, microcode: fix symbol exports fix tons of build errors: arch/x86/kernel/built-in.o: In function `microcode_fini_cpu': microcode_intel.c:(.text+0x11598): undefined reference to `microcode_mutex' microcode_intel.c:(.text+0x115a4): undefined reference to `ucode_cpu_info' microcode_intel.c:(.text+0x115ae): undefined reference to `ucode_cpu_info' microcode_intel.c:(.text+0x115bc): undefined reference to `microcode_mutex' [...] Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 9a881845b35b..758b958a6637 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -104,16 +104,16 @@ MODULE_LICENSE("GPL"); struct microcode_ops *microcode_ops; /* no concurrent ->write()s are allowed on /dev/cpu/microcode */ -static DEFINE_MUTEX(microcode_mutex); +DEFINE_MUTEX(microcode_mutex); EXPORT_SYMBOL_GPL(microcode_mutex); -static struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; +struct ucode_cpu_info ucode_cpu_info[NR_CPUS]; EXPORT_SYMBOL_GPL(ucode_cpu_info); #ifdef CONFIG_MICROCODE_OLD_INTERFACE -static void __user *user_buffer; /* user area microcode data buffer */ +void __user *user_buffer; /* user area microcode data buffer */ EXPORT_SYMBOL_GPL(user_buffer); -static unsigned int user_buffer_size; /* it's size */ +unsigned int user_buffer_size; /* it's size */ EXPORT_SYMBOL_GPL(user_buffer_size); static int do_microcode_update (void) @@ -230,7 +230,7 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); #endif /* fake device for request_firmware */ -static struct platform_device *microcode_pdev; +struct platform_device *microcode_pdev; EXPORT_SYMBOL_GPL(microcode_pdev); static void microcode_init_cpu(int cpu, int resume) -- GitLab From 5d7b605245b1aa1a9cd6549b1f57d69273eb0c37 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 29 Jul 2008 10:07:36 +0200 Subject: [PATCH 0183/6244] x86, microcode: fix module license string fix: FATAL: modpost: GPL-incompatible module microcode_amd.ko uses GPL-only symbol 'set_cpus_allowed_ptr' Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index db199e3fdd1f..fd9e68e88899 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -40,7 +40,7 @@ MODULE_DESCRIPTION("AMD Microcode Update Driver"); MODULE_AUTHOR("Peter Oruba "); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); #define UCODE_MAGIC 0x00414d44 #define UCODE_EQUIV_CPU_TABLE_TYPE 0x00000000 -- GitLab From e76d8ceaaff9d7fc1ba2b1963a9f34151832223b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 28 Jul 2008 19:05:35 +0100 Subject: [PATCH 0184/6244] ALSA: Add jack reporting API Currently very few systems provide information about jack status to user space, even though many have hardware facilities to do detection. Those systems that do use an input device with the existing SW_HEADPHONE_INSERT switch type to do so, often independently of ALSA. This patch introduces a standard method for representing jacks to user space into ALSA. It allows drivers to register jacks for a sound card with the input subsystem, binding the input device to the card to help user space associate the input devices with their sound cards. The created input devices are named in the form "card longname jack" where jack is provided by the driver when allocating a jack. By default the parent for the input device is the sound card but this can be overridden by the card driver. The existing user space API with SW_HEADPHONE_INSERT is preserved. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/core.h | 1 + include/sound/jack.h | 75 ++++++++++++++++++++ sound/core/jack.c | 163 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 239 insertions(+) create mode 100644 include/sound/jack.h create mode 100644 sound/core/jack.c diff --git a/include/sound/core.h b/include/sound/core.h index 558b96284bd2..1a4ff0bdcf6a 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -63,6 +63,7 @@ typedef int __bitwise snd_device_type_t; #define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006) #define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007) #define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008) +#define SNDRV_DEV_JACK ((__force snd_device_type_t) 0x1009) #define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000) typedef int __bitwise snd_device_state_t; diff --git a/include/sound/jack.h b/include/sound/jack.h new file mode 100644 index 000000000000..b1b2b8b59adb --- /dev/null +++ b/include/sound/jack.h @@ -0,0 +1,75 @@ +#ifndef __SOUND_JACK_H +#define __SOUND_JACK_H + +/* + * Jack abstraction layer + * + * Copyright 2008 Wolfson Microelectronics plc + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include + +struct input_dev; + +/** + * Jack types which can be reported. These values are used as a + * bitmask. + */ +enum snd_jack_types { + SND_JACK_HEADPHONE = 0x0001, + SND_JACK_MICROPHONE = 0x0002, + SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE, +}; + +struct snd_jack { + struct input_dev *input_dev; + int registered; + int type; + const char *id; + char name[100]; +}; + +#ifdef CONFIG_SND_JACK + +int snd_jack_new(struct snd_card *card, const char *id, int type, + struct snd_jack **jack); +void snd_jack_set_parent(struct snd_jack *jack, struct device *parent); + +void snd_jack_report(struct snd_jack *jack, int status); + +#else + +static inline int snd_jack_new(struct snd_card *card, const char *id, int type, + struct snd_jack **jack) +{ + return 0; +} + +static inline void snd_jack_set_parent(struct snd_jack *jack, + struct device *parent) +{ +} + +static inline void snd_jack_report(struct snd_jack *jack, int status) +{ +} + +#endif + +#endif diff --git a/sound/core/jack.c b/sound/core/jack.c new file mode 100644 index 000000000000..8133a2b173a5 --- /dev/null +++ b/sound/core/jack.c @@ -0,0 +1,163 @@ +/* + * Jack abstraction layer + * + * Copyright 2008 Wolfson Microelectronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include + +static int snd_jack_dev_free(struct snd_device *device) +{ + struct snd_jack *jack = device->device_data; + + /* If the input device is registered with the input subsystem + * then we need to use a different deallocator. */ + if (jack->registered) + input_unregister_device(jack->input_dev); + else + input_free_device(jack->input_dev); + + kfree(jack); + + return 0; +} + +static int snd_jack_dev_register(struct snd_device *device) +{ + struct snd_jack *jack = device->device_data; + struct snd_card *card = device->card; + int err; + + snprintf(jack->name, sizeof(jack->name), "%s %s", + card->longname, jack->id); + jack->input_dev->name = jack->name; + + /* Default to the sound card device. */ + if (!jack->input_dev->dev.parent) + jack->input_dev->dev.parent = card->dev; + + err = input_register_device(jack->input_dev); + if (err == 0) + jack->registered = 1; + + return err; +} + +/** + * snd_jack_new - Create a new jack + * @card: the card instance + * @id: an identifying string for this jack + * @type: a bitmask of enum snd_jack_type values that can be detected by + * this jack + * @jjack: Used to provide the allocated jack object to the caller. + * + * Creates a new jack object. + * + * Returns zero if successful, or a negative error code on failure. + * On success jjack will be initialised. + */ +int snd_jack_new(struct snd_card *card, const char *id, int type, + struct snd_jack **jjack) +{ + struct snd_jack *jack; + int err; + static struct snd_device_ops ops = { + .dev_free = snd_jack_dev_free, + .dev_register = snd_jack_dev_register, + }; + + jack = kzalloc(sizeof(struct snd_jack), GFP_KERNEL); + if (jack == NULL) + return -ENOMEM; + + jack->id = id; + + jack->input_dev = input_allocate_device(); + if (jack->input_dev == NULL) { + err = -ENOMEM; + goto fail_input; + } + + jack->input_dev->phys = "ALSA"; + + jack->type = type; + + if (type & SND_JACK_HEADPHONE) + input_set_capability(jack->input_dev, EV_SW, + SW_HEADPHONE_INSERT); + if (type & SND_JACK_MICROPHONE) + input_set_capability(jack->input_dev, EV_SW, + SW_MICROPHONE_INSERT); + + err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops); + if (err < 0) + goto fail_input; + + *jjack = jack; + + return 0; + +fail_input: + input_free_device(jack->input_dev); + kfree(jack); + return err; +} +EXPORT_SYMBOL(snd_jack_new); + +/** + * snd_jack_set_parent - Set the parent device for a jack + * + * @jack: The jack to configure + * @parent: The device to set as parent for the jack. + * + * Set the parent for the jack input device in the device tree. This + * function is only valid prior to registration of the jack. If no + * parent is configured then the parent device will be the sound card. + */ +void snd_jack_set_parent(struct snd_jack *jack, struct device *parent) +{ + WARN_ON(jack->registered); + + jack->input_dev->dev.parent = parent; +} +EXPORT_SYMBOL(snd_jack_set_parent); + +/** + * snd_jack_report - Report the current status of a jack + * + * @jack: The jack to report status for + * @status: The current status of the jack + */ +void snd_jack_report(struct snd_jack *jack, int status) +{ + if (jack->type & SND_JACK_HEADPHONE) + input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT, + status & SND_JACK_HEADPHONE); + if (jack->type & SND_JACK_MICROPHONE) + input_report_switch(jack->input_dev, SW_MICROPHONE_INSERT, + status & SND_JACK_MICROPHONE); + + input_sync(jack->input_dev); +} +EXPORT_SYMBOL(snd_jack_report); + +MODULE_AUTHOR("Mark Brown "); +MODULE_DESCRIPTION("Jack detection support for ALSA"); +MODULE_LICENSE("GPL"); -- GitLab From 0d94e41abe271c86df06bcf72d24f9ca7ce771f0 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 28 Jul 2008 19:05:36 +0100 Subject: [PATCH 0185/6244] ALSA: Build jack detection Since jack detection requires the input subsystem which may not be desired on small systems it is not built unless required by a driver that is being built. Drivers using jack detection should use a pattern like this: config SND_FOO tristate "..." ... select SND_JACK if INPUT=y || INPUT=SND to ensure that the jack detection API is enabled if the input subsystem is. If the input subsystem is not enabled then a stub version of the API is provided. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/core/Kconfig | 6 ++++++ sound/core/Makefile | 1 + 2 files changed, 7 insertions(+) diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 335d45ecde6a..9c4da1cd4a6b 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -12,6 +12,12 @@ config SND_HWDEP config SND_RAWMIDI tristate +# To be effective this also requires INPUT - users should say: +# select SND_JACK if INPUT=y || INPUT=SND +# to avoid having to force INPUT on. +config SND_JACK + bool + config SND_SEQUENCER tristate "Sequencer support" select SND_TIMER diff --git a/sound/core/Makefile b/sound/core/Makefile index da8e685eef9c..d57125a5687d 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -7,6 +7,7 @@ snd-y := sound.o init.o memory.o info.o control.o misc.o device.o snd-$(CONFIG_ISA_DMA_API) += isadma.o snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o info_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o +snd-$(CONFIG_SND_JACK) += jack.o snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \ pcm_memory.o -- GitLab From f6154d6d007c69a330acc9021ec77cca5da9dc4c Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 29 Jul 2008 12:08:16 +0200 Subject: [PATCH 0186/6244] ALSA: hda - use input_free_device() Use input_free_devce() correctly instead of kfree() at error path. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_beep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c index 5a764c481391..9b77b3e0fa98 100644 --- a/sound/pci/hda/hda_beep.c +++ b/sound/pci/hda/hda_beep.c @@ -103,7 +103,7 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) err = input_register_device(input_dev); if (err < 0) { - kfree(input_dev); + input_free_device(input_dev); kfree(beep); return err; } -- GitLab From 8a33de9e51673dbdadb552d888a4544aefe0c31d Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Tue, 29 Jul 2008 11:42:24 +0100 Subject: [PATCH 0187/6244] ALSA: ASoC: Permit simultaneous compilation of both PXA AC97 drivers Signed-off-by: Dmitry Baryshkov Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/pxa/pxa2xx-pcm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c index 4345f387fe41..771c592b0429 100644 --- a/sound/soc/pxa/pxa2xx-pcm.c +++ b/sound/soc/pxa/pxa2xx-pcm.c @@ -330,7 +330,7 @@ static void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm) static u64 pxa2xx_pcm_dmamask = DMA_32BIT_MASK; -int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, +static int pxa2xx_soc_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, struct snd_pcm *pcm) { int ret = 0; @@ -360,7 +360,7 @@ int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, struct snd_soc_platform pxa2xx_soc_platform = { .name = "pxa2xx-audio", .pcm_ops = &pxa2xx_pcm_ops, - .pcm_new = pxa2xx_pcm_new, + .pcm_new = pxa2xx_soc_pcm_new, .pcm_free = pxa2xx_pcm_free_dma_buffers, }; EXPORT_SYMBOL_GPL(pxa2xx_soc_platform); -- GitLab From 58cd33c0f375578cfda25a52ed280caa888b6254 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jul 2008 11:42:25 +0100 Subject: [PATCH 0188/6244] ALSA: ASoC: Allow codecs to override register display Some codecs have unusual features in their register maps such as very large registers representing arrays of coefficients. Support these codecs in the register cache sysfs file by allowing them to provide a function register_display() overriding the default output for register contents. Also ensure that we don't overflow PAGE_SIZE while writing out the register dump. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc.h | 2 ++ sound/soc/soc-core.c | 26 +++++++++++++++++++++++--- 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index 1890d87c5204..2ce530efcf11 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -410,6 +410,8 @@ struct snd_soc_codec { void *control_data; /* codec control (i2c/3wire) data */ unsigned int (*read)(struct snd_soc_codec *, unsigned int); int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); + int (*display_register)(struct snd_soc_codec *, char *, + size_t, unsigned int); hw_write_t hw_write; hw_read_t hw_read; void *reg_cache; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 83f1190293a8..5d3bf731a4b2 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -970,9 +970,29 @@ static ssize_t codec_reg_show(struct device *dev, step = codec->reg_cache_step; count += sprintf(buf, "%s registers\n", codec->name); - for (i = 0; i < codec->reg_cache_size; i += step) - count += sprintf(buf + count, "%2x: %4x\n", i, - codec->read(codec, i)); + for (i = 0; i < codec->reg_cache_size; i += step) { + count += sprintf(buf + count, "%2x: ", i); + if (count >= PAGE_SIZE - 1) + break; + + if (codec->display_register) + count += codec->display_register(codec, buf + count, + PAGE_SIZE - count, i); + else + count += snprintf(buf + count, PAGE_SIZE - count, + "%4x", codec->read(codec, i)); + + if (count >= PAGE_SIZE - 1) + break; + + count += snprintf(buf + count, PAGE_SIZE - count, "\n"); + if (count >= PAGE_SIZE - 1) + break; + } + + /* Truncate count; min() would cause a warning */ + if (count >= PAGE_SIZE) + count = PAGE_SIZE - 1; return count; } -- GitLab From 4eaa9819dc08d7bfd1065ce530e31b18a119dcaf Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Tue, 29 Jul 2008 11:42:26 +0100 Subject: [PATCH 0189/6244] ALSA: ASoC: Convert bitfields in ASoC into full int width Convert bitfields in ASoC into full int width. This is a simple mechanical conversion. Two places in the DAPM code were fixed to properly use mask. Signed-off-by: Jon Smirl Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc.h | 50 ++++++++++++++++---------- sound/soc/soc-core.c | 86 ++++++++++++++++++++++++++------------------ sound/soc/soc-dapm.c | 52 ++++++++++++++++----------- 3 files changed, 114 insertions(+), 74 deletions(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index 2ce530efcf11..e647a34c8091 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -26,10 +26,12 @@ /* * Convenience kcontrol builders */ -#define SOC_SINGLE_VALUE(reg, shift, max, invert) ((reg) | ((shift) << 8) |\ - ((shift) << 12) | ((max) << 16) | ((invert) << 24)) -#define SOC_SINGLE_VALUE_EXT(reg, max, invert) ((reg) | ((max) << 16) |\ - ((invert) << 31)) +#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \ + ((unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .shift = xshift, .max = xmax, .invert = xinvert}) +#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ + ((unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .max = xmax, .invert = xinvert}) #define SOC_SINGLE(xname, reg, shift, max, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ @@ -43,45 +45,49 @@ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ .put = snd_soc_put_volsw, \ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } -#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ +#define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ .put = snd_soc_put_volsw, \ - .private_value = (reg) | ((shift_left) << 8) | \ - ((shift_right) << 12) | ((max) << 16) | ((invert) << 24) } -#define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, max, invert) \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ + .max = xmax, .invert = xinvert} } +#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .info = snd_soc_info_volsw_2r, \ .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ - .private_value = (reg_left) | ((shift) << 8) | \ - ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } -#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ + .max = xmax, .invert = xinvert} } +#define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ .put = snd_soc_put_volsw, \ - .private_value = (reg) | ((shift_left) << 8) | \ - ((shift_right) << 12) | ((max) << 16) | ((invert) << 24) } -#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ + .max = xmax, .invert = xinvert} } +#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ SNDRV_CTL_ELEM_ACCESS_READWRITE,\ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw_2r, \ .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ - .private_value = (reg_left) | ((shift) << 8) | \ - ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } -#define SOC_DOUBLE_S8_TLV(xname, reg, min, max, tlv_array) \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ + .max = xmax, .invert = xinvert} } +#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ SNDRV_CTL_ELEM_ACCESS_READWRITE, \ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \ .put = snd_soc_put_volsw_s8, \ - .private_value = (reg) | (((signed char)max) << 16) | \ - (((signed char)min) << 24) } + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .min = xmin, .max = xmax} } #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ .mask = xmask, .texts = xtexts } @@ -518,6 +524,12 @@ struct snd_soc_pcm_runtime { struct snd_soc_device *socdev; }; +/* mixer control */ +struct soc_mixer_control { + int min, max; + uint reg, rreg, shift, rshift, invert; +}; + /* enumerated kcontrol */ struct soc_enum { unsigned short reg; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 5d3bf731a4b2..4b94f1f6ee27 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1454,9 +1454,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (kcontrol->private_value >> 16) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; + uint shift = mc->min; + uint rshift = mc->rshift; if (max == 1) uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; @@ -1482,13 +1484,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 24) & 0x01; + uint reg = mc->reg; + uint shift = mc->shift; + uint rshift = mc->rshift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1519,13 +1523,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw); int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 24) & 0x01; + uint reg = mc->reg; + uint shift = mc->shift; + uint rshift = mc->rshift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; unsigned short val, val2, val_mask; val = (ucontrol->value.integer.value[0] & mask); @@ -1557,7 +1563,9 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw); int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (kcontrol->private_value >> 12) & 0xff; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; if (max == 1) uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; @@ -1583,13 +1591,15 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 24) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int max = (kcontrol->private_value >> 12) & 0xff; - int mask = (1<private_value >> 20) & 0x01; + uint reg = mc->reg; + uint reg2 = mc->rreg; + uint shift = mc->shift; + int max = mc->max; + uint mask = (1<invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1618,13 +1628,15 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int reg2 = (kcontrol->private_value >> 24) & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int max = (kcontrol->private_value >> 12) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 20) & 0x01; + uint reg = mc->reg; + uint reg2 = mc->rreg; + uint shift = mc->shift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; int err; unsigned short val, val2, val_mask; @@ -1661,8 +1673,10 @@ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r); int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - int max = (signed char)((kcontrol->private_value >> 16) & 0xff); - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; + int min = mc->min; uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; @@ -1684,9 +1698,11 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + uint reg = mc->reg; + int min = mc->min; int val = snd_soc_read(codec, reg); ucontrol->value.integer.value[0] = @@ -1709,9 +1725,11 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int min = (signed char)((kcontrol->private_value >> 24) & 0xff); + uint reg = mc->reg; + int min = mc->min; unsigned short val; val = (ucontrol->value.integer.value[0]+min) & 0xff; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index f9d100bc8479..bbdca0dacba6 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -104,10 +104,13 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, case snd_soc_dapm_switch: case snd_soc_dapm_mixer: { int val; - int reg = w->kcontrols[i].private_value & 0xff; - int shift = (w->kcontrols[i].private_value >> 8) & 0x0f; - int mask = (w->kcontrols[i].private_value >> 16) & 0xff; - int invert = (w->kcontrols[i].private_value >> 24) & 0x01; + struct soc_mixer_control *mc = (struct soc_mixer_control *) + w->kcontrols[i].private_value; + uint reg = mc->reg; + uint shift = mc->shift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; val = snd_soc_read(w->codec, reg); val = (val >> shift) & mask; @@ -247,16 +250,19 @@ static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power) return 0; if (widget->num_kcontrols && k) { - int reg = k->private_value & 0xff; - int shift = (k->private_value >> 8) & 0x0f; - int mask = (k->private_value >> 16) & 0xff; - int invert = (k->private_value >> 24) & 0x01; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)k->private_value; + uint reg = mc->reg; + uint shift = mc->shift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; if (power) { int i; /* power up has happended, increase volume to last level */ if (invert) { - for (i = mask; i > widget->saved_value; i--) + for (i = max; i > widget->saved_value; i--) snd_soc_update_bits(widget->codec, reg, mask, i); } else { for (i = 0; i < widget->saved_value; i++) @@ -1133,12 +1139,14 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int invert = (kcontrol->private_value >> 24) & 0x01; - int mask = (1 << fls(max)) - 1; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + uint reg = mc->reg; + uint shift = mc->shift; + uint rshift = mc->rshift; + int max = mc->max; + uint invert = mc->invert; + uint mask = (1 << fls(max)) - 1; /* return the saved value if we are powered down */ if (widget->id == snd_soc_dapm_pga && !widget->power) { @@ -1176,12 +1184,14 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0x0f; - int rshift = (kcontrol->private_value >> 12) & 0x0f; - int max = (kcontrol->private_value >> 16) & 0xff; - int mask = (1 << fls(max)) - 1; - int invert = (kcontrol->private_value >> 24) & 0x01; + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + uint reg = mc->reg; + uint shift = mc->shift; + uint rshift = mc->rshift; + int max = mc->max; + uint mask = (1 << fls(max)) - 1; + uint invert = mc->invert; unsigned short val, val2, val_mask; int ret; -- GitLab From f8ba0b7bfd06a2a5b3c49ff8d71cad31f57b0d51 Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Tue, 29 Jul 2008 11:42:27 +0100 Subject: [PATCH 0190/6244] ALSA: ASoC: Rename mask to max to reflect usage Most of the ASoC controls refer to the maximum value that can be set for a control as mask but there is no actual requirement for all bits to be set at the highest possible value making the name mask misleading. Change the code to use max instead. Signed-off-by: Jon Smirl Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc.h | 22 +++++++++++----------- sound/soc/soc-core.c | 20 ++++++++++---------- sound/soc/soc-dapm.c | 14 +++++++------- 3 files changed, 28 insertions(+), 28 deletions(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index e647a34c8091..5ca231f080a0 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -88,25 +88,25 @@ .put = snd_soc_put_volsw_s8, \ .private_value = (unsigned long)&(struct soc_mixer_control) \ {.reg = xreg, .min = xmin, .max = xmax} } -#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ +#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ - .mask = xmask, .texts = xtexts } -#define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ - SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) -#define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \ -{ .mask = xmask, .texts = xtexts } + .max = xmax, .texts = xtexts } +#define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \ + SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts) +#define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \ +{ .max = xmax, .texts = xtexts } #define SOC_ENUM(xname, xenum) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ .info = snd_soc_info_enum_double, \ .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ .private_value = (unsigned long)&xenum } -#define SOC_SINGLE_EXT(xname, xreg, xshift, xmask, xinvert,\ +#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ xhandler_get, xhandler_put) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_volsw, \ .get = xhandler_get, .put = xhandler_put, \ - .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmask, xinvert) } -#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmask, xinvert,\ + .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } +#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ xhandler_get, xhandler_put, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ @@ -114,7 +114,7 @@ .tlv.p = (tlv_array), \ .info = snd_soc_info_volsw, \ .get = xhandler_get, .put = xhandler_put, \ - .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmask, xinvert) } + .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ .info = snd_soc_info_bool_ext, \ @@ -536,7 +536,7 @@ struct soc_enum { unsigned short reg2; unsigned char shift_l; unsigned char shift_r; - unsigned int mask; + unsigned int max; const char **texts; void *dapm; }; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4b94f1f6ee27..11a881caba76 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1316,10 +1316,10 @@ int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = e->shift_l == e->shift_r ? 1 : 2; - uinfo->value.enumerated.items = e->mask; + uinfo->value.enumerated.items = e->max; - if (uinfo->value.enumerated.item > e->mask - 1) - uinfo->value.enumerated.item = e->mask - 1; + if (uinfo->value.enumerated.item > e->max - 1) + uinfo->value.enumerated.item = e->max - 1; strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); return 0; @@ -1342,7 +1342,7 @@ int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned short val, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; val = snd_soc_read(codec, e->reg); ucontrol->value.enumerated.item[0] @@ -1372,14 +1372,14 @@ int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, unsigned short val; unsigned short mask, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; - if (ucontrol->value.enumerated.item[0] > e->mask - 1) + if (ucontrol->value.enumerated.item[0] > e->max - 1) return -EINVAL; val = ucontrol->value.enumerated.item[0] << e->shift_l; mask = (bitmask - 1) << e->shift_l; if (e->shift_l != e->shift_r) { - if (ucontrol->value.enumerated.item[1] > e->mask - 1) + if (ucontrol->value.enumerated.item[1] > e->max - 1) return -EINVAL; val |= ucontrol->value.enumerated.item[1] << e->shift_r; mask |= (bitmask - 1) << e->shift_r; @@ -1406,10 +1406,10 @@ int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; - uinfo->value.enumerated.items = e->mask; + uinfo->value.enumerated.items = e->max; - if (uinfo->value.enumerated.item > e->mask - 1) - uinfo->value.enumerated.item = e->mask - 1; + if (uinfo->value.enumerated.item > e->max - 1) + uinfo->value.enumerated.item = e->max - 1; strcpy(uinfo->value.enumerated.name, e->texts[uinfo->value.enumerated.item]); return 0; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index bbdca0dacba6..f08be8a329e9 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -125,13 +125,13 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value; int val, item, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; val = snd_soc_read(w->codec, e->reg); item = (val >> e->shift_l) & (bitmask - 1); p->connect = 0; - for (i = 0; i < e->mask; i++) { + for (i = 0; i < e->max; i++) { if (!(strcmp(p->name, e->texts[i])) && item == i) p->connect = 1; } @@ -168,7 +168,7 @@ static int dapm_connect_mux(struct snd_soc_codec *codec, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; int i; - for (i = 0; i < e->mask; i++) { + for (i = 0; i < e->max; i++) { if (!(strcmp(control_name, e->texts[i]))) { list_add(&path->list, &codec->dapm_paths); list_add(&path->list_sink, &dest->sources); @@ -1258,7 +1258,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned short val, bitmask; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; val = snd_soc_read(widget->codec, e->reg); ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1); @@ -1288,15 +1288,15 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, unsigned short mask, bitmask; int ret = 0; - for (bitmask = 1; bitmask < e->mask; bitmask <<= 1) + for (bitmask = 1; bitmask < e->max; bitmask <<= 1) ; - if (ucontrol->value.enumerated.item[0] > e->mask - 1) + if (ucontrol->value.enumerated.item[0] > e->max - 1) return -EINVAL; mux = ucontrol->value.enumerated.item[0]; val = mux << e->shift_l; mask = (bitmask - 1) << e->shift_l; if (e->shift_l != e->shift_r) { - if (ucontrol->value.enumerated.item[1] > e->mask - 1) + if (ucontrol->value.enumerated.item[1] > e->max - 1) return -EINVAL; val |= ucontrol->value.enumerated.item[1] << e->shift_r; mask |= (bitmask - 1) << e->shift_r; -- GitLab From 84bc278b1f04920e867e4b46e094bcc066393d41 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Tue, 29 Jul 2008 11:42:28 +0100 Subject: [PATCH 0191/6244] ALSA: ASoC: Add OpenFirmware helper for matching bus and codec drivers Simple utility layer for creating ASoC machine instances based on data in the OpenFirmware device tree. OF aware platform drivers and codec drivers register themselves with this framework and the framework automatically instantiates a machine driver. At the moment, the driver is not very capable and it is expected to be extended as more features are needed for specifying the configuration in the device tree. This is most likely temporary glue code to work around limitations in the ASoC v1 framework. When v2 is merged, most of this driver will need to be reworked. Signed-off-by: Grant Likely Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc-of-simple.h | 21 +++++ sound/soc/fsl/Kconfig | 3 + sound/soc/fsl/Makefile | 3 + sound/soc/fsl/soc-of-simple.c | 171 ++++++++++++++++++++++++++++++++++ 4 files changed, 198 insertions(+) create mode 100644 include/sound/soc-of-simple.h create mode 100644 sound/soc/fsl/soc-of-simple.c diff --git a/include/sound/soc-of-simple.h b/include/sound/soc-of-simple.h new file mode 100644 index 000000000000..696fc513e234 --- /dev/null +++ b/include/sound/soc-of-simple.h @@ -0,0 +1,21 @@ +/* + * OF helpers for ALSA SoC + * + * Copyright (C) 2008, Secret Lab Technologies Ltd. + */ + +#ifndef _INCLUDE_SOC_OF_H_ +#define _INCLUDE_SOC_OF_H_ + +#include +#include + +int of_snd_soc_register_codec(struct snd_soc_codec_device *codec_dev, + void *codec_data, struct snd_soc_dai *dai, + struct device_node *node); + +int of_snd_soc_register_platform(struct snd_soc_platform *platform, + struct device_node *node, + struct snd_soc_dai *cpu_dai); + +#endif /* _INCLUDE_SOC_OF_H_ */ diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 3368ace60977..398f00208678 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -1,3 +1,6 @@ +config SND_SOC_OF_SIMPLE + tristate + config SND_SOC_MPC8610 bool "ALSA SoC support for the MPC8610 SOC" depends on MPC8610_HPCD diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 62f680a4a776..aa2100b41146 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -1,3 +1,6 @@ +# Simple machine driver that extracts configuration from the OF device tree +obj-$(CONFIG_SND_SOC_OF_SIMPLE) += soc-of-simple.o + # MPC8610 HPCD Machine Support obj-$(CONFIG_SND_SOC_MPC8610_HPCD) += mpc8610_hpcd.o diff --git a/sound/soc/fsl/soc-of-simple.c b/sound/soc/fsl/soc-of-simple.c new file mode 100644 index 000000000000..0382fdac51cd --- /dev/null +++ b/sound/soc/fsl/soc-of-simple.c @@ -0,0 +1,171 @@ +/* + * OF helpers for ALSA SoC Layer + * + * Copyright (C) 2008, Secret Lab Technologies Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +MODULE_AUTHOR("Grant Likely "); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("ALSA SoC OpenFirmware bindings"); + +static DEFINE_MUTEX(of_snd_soc_mutex); +static LIST_HEAD(of_snd_soc_device_list); +static int of_snd_soc_next_index; + +struct of_snd_soc_device { + int id; + struct list_head list; + struct snd_soc_device device; + struct snd_soc_machine machine; + struct snd_soc_dai_link dai_link; + struct platform_device *pdev; + struct device_node *platform_node; + struct device_node *codec_node; +}; + +static struct snd_soc_ops of_snd_soc_ops = { +}; + +static struct of_snd_soc_device * +of_snd_soc_get_device(struct device_node *codec_node) +{ + struct of_snd_soc_device *of_soc; + + list_for_each_entry(of_soc, &of_snd_soc_device_list, list) { + if (of_soc->codec_node == codec_node) + return of_soc; + } + + of_soc = kzalloc(sizeof(struct of_snd_soc_device), GFP_KERNEL); + if (!of_soc) + return NULL; + + /* Initialize the structure and add it to the global list */ + of_soc->codec_node = codec_node; + of_soc->id = of_snd_soc_next_index++; + of_soc->machine.dai_link = &of_soc->dai_link; + of_soc->machine.num_links = 1; + of_soc->device.machine = &of_soc->machine; + of_soc->dai_link.ops = &of_snd_soc_ops; + list_add(&of_soc->list, &of_snd_soc_device_list); + + return of_soc; +} + +static void of_snd_soc_register_device(struct of_snd_soc_device *of_soc) +{ + struct platform_device *pdev; + int rc; + + /* Only register the device if both the codec and platform have + * been registered */ + if ((!of_soc->device.codec_data) || (!of_soc->platform_node)) + return; + + pr_info("platform<-->codec match achieved; registering machine\n"); + + pdev = platform_device_alloc("soc-audio", of_soc->id); + if (!pdev) { + pr_err("of_soc: platform_device_alloc() failed\n"); + return; + } + + pdev->dev.platform_data = of_soc; + platform_set_drvdata(pdev, &of_soc->device); + of_soc->device.dev = &pdev->dev; + + /* The ASoC device is complete; register it */ + rc = platform_device_add(pdev); + if (rc) { + pr_err("of_soc: platform_device_add() failed\n"); + return; + } + +} + +int of_snd_soc_register_codec(struct snd_soc_codec_device *codec_dev, + void *codec_data, struct snd_soc_dai *dai, + struct device_node *node) +{ + struct of_snd_soc_device *of_soc; + int rc = 0; + + pr_info("registering ASoC codec driver: %s\n", node->full_name); + + mutex_lock(&of_snd_soc_mutex); + of_soc = of_snd_soc_get_device(node); + if (!of_soc) { + rc = -ENOMEM; + goto out; + } + + /* Store the codec data */ + of_soc->device.codec_data = codec_data; + of_soc->device.codec_dev = codec_dev; + of_soc->dai_link.name = (char *)node->name; + of_soc->dai_link.stream_name = (char *)node->name; + of_soc->dai_link.codec_dai = dai; + + /* Now try to register the SoC device */ + of_snd_soc_register_device(of_soc); + + out: + mutex_unlock(&of_snd_soc_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(of_snd_soc_register_codec); + +int of_snd_soc_register_platform(struct snd_soc_platform *platform, + struct device_node *node, + struct snd_soc_dai *cpu_dai) +{ + struct of_snd_soc_device *of_soc; + struct device_node *codec_node; + const phandle *handle; + int len, rc = 0; + + pr_info("registering ASoC platform driver: %s\n", node->full_name); + + handle = of_get_property(node, "codec-handle", &len); + if (!handle || len < sizeof(handle)) + return -ENODEV; + codec_node = of_find_node_by_phandle(*handle); + if (!codec_node) + return -ENODEV; + pr_info("looking for codec: %s\n", codec_node->full_name); + + mutex_lock(&of_snd_soc_mutex); + of_soc = of_snd_soc_get_device(codec_node); + if (!of_soc) { + rc = -ENOMEM; + goto out; + } + + of_soc->platform_node = node; + of_soc->dai_link.cpu_dai = cpu_dai; + of_soc->device.platform = platform; + of_soc->machine.name = of_soc->dai_link.cpu_dai->name; + + /* Now try to register the SoC device */ + of_snd_soc_register_device(of_soc); + + out: + mutex_unlock(&of_snd_soc_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(of_snd_soc_register_platform); -- GitLab From b78ddb10704a7f930e5e631de8227c78a6676a1b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jul 2008 11:42:29 +0100 Subject: [PATCH 0192/6244] ALSA: ASoC: Make OpenFirmware helper include file conditional The OpenFirmware API headers don't build on all platforms so ensure that they are not included unless they are being used. Signed-off-by: Mark Brown Acked-by: Grant Likely Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc-of-simple.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/sound/soc-of-simple.h b/include/sound/soc-of-simple.h index 696fc513e234..a064e1934a56 100644 --- a/include/sound/soc-of-simple.h +++ b/include/sound/soc-of-simple.h @@ -7,6 +7,8 @@ #ifndef _INCLUDE_SOC_OF_H_ #define _INCLUDE_SOC_OF_H_ +#if defined(CONFIG_SND_SOC_OF_SIMPLE) || defined(CONFIG_SND_SOC_OF_SIMPLE_MODULE) + #include #include @@ -18,4 +20,6 @@ int of_snd_soc_register_platform(struct snd_soc_platform *platform, struct device_node *node, struct snd_soc_dai *cpu_dai); +#endif + #endif /* _INCLUDE_SOC_OF_H_ */ -- GitLab From dc641378b5ee220aa29ed8b8f51b7af9a19a7719 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Tue, 29 Jul 2008 11:42:30 +0100 Subject: [PATCH 0193/6244] ALSA: ASoC: Add mpc5200-psc I2S driver This is an I2S bus driver for the MPC5200 PSC device. It depends on the soc-of helper functions to match a PSC device with a codec based on data in the device tree. Signed-off-by: Grant Likely Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/fsl/Kconfig | 7 + sound/soc/fsl/Makefile | 2 + sound/soc/fsl/mpc5200_psc_i2s.c | 884 ++++++++++++++++++++++++++++++++ 3 files changed, 893 insertions(+) create mode 100644 sound/soc/fsl/mpc5200_psc_i2s.c diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 398f00208678..bba9546ba5f5 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -17,3 +17,10 @@ config SND_SOC_MPC8610_HPCD default y if MPC8610_HPCD help Say Y if you want to enable audio on the Freescale MPC8610 HPCD. + +config SND_SOC_MPC5200_I2S + tristate "Freescale MPC5200 PSC in I2S mode driver" + select SND_SOC_OF_SIMPLE + depends on SND_SOC && PPC_MPC52xx + help + Say Y here to support the MPC5200 PSCs in I2S mode. diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index aa2100b41146..035da4afec34 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -7,3 +7,5 @@ obj-$(CONFIG_SND_SOC_MPC8610_HPCD) += mpc8610_hpcd.o # MPC8610 Platform Support obj-$(CONFIG_SND_SOC_MPC8610) += fsl_ssi.o fsl_dma.o +obj-$(CONFIG_SND_SOC_MPC5200_I2S) += mpc5200_psc_i2s.o + diff --git a/sound/soc/fsl/mpc5200_psc_i2s.c b/sound/soc/fsl/mpc5200_psc_i2s.c new file mode 100644 index 000000000000..86923299bc10 --- /dev/null +++ b/sound/soc/fsl/mpc5200_psc_i2s.c @@ -0,0 +1,884 @@ +/* + * Freescale MPC5200 PSC in I2S mode + * ALSA SoC Digital Audio Interface (DAI) driver + * + * Copyright (C) 2008 Secret Lab Technologies Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +MODULE_AUTHOR("Grant Likely "); +MODULE_DESCRIPTION("Freescale MPC5200 PSC in I2S mode ASoC Driver"); +MODULE_LICENSE("GPL"); + +/** + * PSC_I2S_RATES: sample rates supported by the I2S + * + * This driver currently only supports the PSC running in I2S slave mode, + * which means the codec determines the sample rate. Therefore, we tell + * ALSA that we support all rates and let the codec driver decide what rates + * are really supported. + */ +#define PSC_I2S_RATES (SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_192000 | \ + SNDRV_PCM_RATE_CONTINUOUS) + +/** + * PSC_I2S_FORMATS: audio formats supported by the PSC I2S mode + */ +#define PSC_I2S_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE | \ + SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S24_BE | \ + SNDRV_PCM_FMTBIT_S32_BE) + +/** + * psc_i2s_stream - Data specific to a single stream (playback or capture) + * @active: flag indicating if the stream is active + * @psc_i2s: pointer back to parent psc_i2s data structure + * @bcom_task: bestcomm task structure + * @irq: irq number for bestcomm task + * @period_start: physical address of start of DMA region + * @period_end: physical address of end of DMA region + * @period_next_pt: physical address of next DMA buffer to enqueue + * @period_bytes: size of DMA period in bytes + */ +struct psc_i2s_stream { + int active; + struct psc_i2s *psc_i2s; + struct bcom_task *bcom_task; + int irq; + struct snd_pcm_substream *stream; + dma_addr_t period_start; + dma_addr_t period_end; + dma_addr_t period_next_pt; + dma_addr_t period_current_pt; + int period_bytes; +}; + +/** + * psc_i2s - Private driver data + * @name: short name for this device ("PSC0", "PSC1", etc) + * @psc_regs: pointer to the PSC's registers + * @fifo_regs: pointer to the PSC's FIFO registers + * @irq: IRQ of this PSC + * @dev: struct device pointer + * @dai: the CPU DAI for this device + * @sicr: Base value used in serial interface control register; mode is ORed + * with this value. + * @playback: Playback stream context data + * @capture: Capture stream context data + */ +struct psc_i2s { + char name[32]; + struct mpc52xx_psc __iomem *psc_regs; + struct mpc52xx_psc_fifo __iomem *fifo_regs; + unsigned int irq; + struct device *dev; + struct snd_soc_dai dai; + spinlock_t lock; + u32 sicr; + + /* per-stream data */ + struct psc_i2s_stream playback; + struct psc_i2s_stream capture; + + /* Statistics */ + struct { + int overrun_count; + int underrun_count; + } stats; +}; + +/* + * Interrupt handlers + */ +static irqreturn_t psc_i2s_status_irq(int irq, void *_psc_i2s) +{ + struct psc_i2s *psc_i2s = _psc_i2s; + struct mpc52xx_psc __iomem *regs = psc_i2s->psc_regs; + u16 isr; + + isr = in_be16(®s->mpc52xx_psc_isr); + + /* Playback underrun error */ + if (psc_i2s->playback.active && (isr & MPC52xx_PSC_IMR_TXEMP)) + psc_i2s->stats.underrun_count++; + + /* Capture overrun error */ + if (psc_i2s->capture.active && (isr & MPC52xx_PSC_IMR_ORERR)) + psc_i2s->stats.overrun_count++; + + out_8(®s->command, 4 << 4); /* reset the error status */ + + return IRQ_HANDLED; +} + +/** + * psc_i2s_bcom_enqueue_next_buffer - Enqueue another audio buffer + * @s: pointer to stream private data structure + * + * Enqueues another audio period buffer into the bestcomm queue. + * + * Note: The routine must only be called when there is space available in + * the queue. Otherwise the enqueue will fail and the audio ring buffer + * will get out of sync + */ +static void psc_i2s_bcom_enqueue_next_buffer(struct psc_i2s_stream *s) +{ + struct bcom_bd *bd; + + /* Prepare and enqueue the next buffer descriptor */ + bd = bcom_prepare_next_buffer(s->bcom_task); + bd->status = s->period_bytes; + bd->data[0] = s->period_next_pt; + bcom_submit_next_buffer(s->bcom_task, NULL); + + /* Update for next period */ + s->period_next_pt += s->period_bytes; + if (s->period_next_pt >= s->period_end) + s->period_next_pt = s->period_start; +} + +/* Bestcomm DMA irq handler */ +static irqreturn_t psc_i2s_bcom_irq(int irq, void *_psc_i2s_stream) +{ + struct psc_i2s_stream *s = _psc_i2s_stream; + + /* For each finished period, dequeue the completed period buffer + * and enqueue a new one in it's place. */ + while (bcom_buffer_done(s->bcom_task)) { + bcom_retrieve_buffer(s->bcom_task, NULL, NULL); + s->period_current_pt += s->period_bytes; + if (s->period_current_pt >= s->period_end) + s->period_current_pt = s->period_start; + psc_i2s_bcom_enqueue_next_buffer(s); + bcom_enable(s->bcom_task); + } + + /* If the stream is active, then also inform the PCM middle layer + * of the period finished event. */ + if (s->active) + snd_pcm_period_elapsed(s->stream); + + return IRQ_HANDLED; +} + +/** + * psc_i2s_startup: create a new substream + * + * This is the first function called when a stream is opened. + * + * If this is the first stream open, then grab the IRQ and program most of + * the PSC registers. + */ +static int psc_i2s_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + int rc; + + dev_dbg(psc_i2s->dev, "psc_i2s_startup(substream=%p)\n", substream); + + if (!psc_i2s->playback.active && + !psc_i2s->capture.active) { + /* Setup the IRQs */ + rc = request_irq(psc_i2s->irq, &psc_i2s_status_irq, IRQF_SHARED, + "psc-i2s-status", psc_i2s); + rc |= request_irq(psc_i2s->capture.irq, + &psc_i2s_bcom_irq, IRQF_SHARED, + "psc-i2s-capture", &psc_i2s->capture); + rc |= request_irq(psc_i2s->playback.irq, + &psc_i2s_bcom_irq, IRQF_SHARED, + "psc-i2s-playback", &psc_i2s->playback); + if (rc) { + free_irq(psc_i2s->irq, psc_i2s); + free_irq(psc_i2s->capture.irq, + &psc_i2s->capture); + free_irq(psc_i2s->playback.irq, + &psc_i2s->playback); + return -ENODEV; + } + } + + return 0; +} + +static int psc_i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + u32 mode; + + dev_dbg(psc_i2s->dev, "%s(substream=%p) p_size=%i p_bytes=%i" + " periods=%i buffer_size=%i buffer_bytes=%i\n", + __func__, substream, params_period_size(params), + params_period_bytes(params), params_periods(params), + params_buffer_size(params), params_buffer_bytes(params)); + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: + mode = MPC52xx_PSC_SICR_SIM_CODEC_8; + break; + case SNDRV_PCM_FORMAT_S16_BE: + mode = MPC52xx_PSC_SICR_SIM_CODEC_16; + break; + case SNDRV_PCM_FORMAT_S24_BE: + mode = MPC52xx_PSC_SICR_SIM_CODEC_24; + break; + case SNDRV_PCM_FORMAT_S32_BE: + mode = MPC52xx_PSC_SICR_SIM_CODEC_32; + break; + default: + dev_dbg(psc_i2s->dev, "invalid format\n"); + return -EINVAL; + } + out_be32(&psc_i2s->psc_regs->sicr, psc_i2s->sicr | mode); + + snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + + return 0; +} + +static int psc_i2s_hw_free(struct snd_pcm_substream *substream) +{ + snd_pcm_set_runtime_buffer(substream, NULL); + return 0; +} + +/** + * psc_i2s_trigger: start and stop the DMA transfer. + * + * This function is called by ALSA to start, stop, pause, and resume the DMA + * transfer of data. + */ +static int psc_i2s_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + struct psc_i2s_stream *s; + struct mpc52xx_psc __iomem *regs = psc_i2s->psc_regs; + u16 imr; + u8 psc_cmd; + long flags; + + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) + s = &psc_i2s->capture; + else + s = &psc_i2s->playback; + + dev_dbg(psc_i2s->dev, "psc_i2s_trigger(substream=%p, cmd=%i)" + " stream_id=%i\n", + substream, cmd, substream->pstr->stream); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + s->period_bytes = frames_to_bytes(runtime, + runtime->period_size); + s->period_start = virt_to_phys(runtime->dma_area); + s->period_end = s->period_start + + (s->period_bytes * runtime->periods); + s->period_next_pt = s->period_start; + s->period_current_pt = s->period_start; + s->active = 1; + + /* First; reset everything */ + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) { + out_8(®s->command, MPC52xx_PSC_RST_RX); + out_8(®s->command, MPC52xx_PSC_RST_ERR_STAT); + } else { + out_8(®s->command, MPC52xx_PSC_RST_TX); + out_8(®s->command, MPC52xx_PSC_RST_ERR_STAT); + } + + /* Next, fill up the bestcomm bd queue and enable DMA. + * This will begin filling the PSC's fifo. */ + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) + bcom_gen_bd_rx_reset(s->bcom_task); + else + bcom_gen_bd_tx_reset(s->bcom_task); + while (!bcom_queue_full(s->bcom_task)) + psc_i2s_bcom_enqueue_next_buffer(s); + bcom_enable(s->bcom_task); + + /* Due to errata in the i2s mode; need to line up enabling + * the transmitter with a transition on the frame sync + * line */ + + spin_lock_irqsave(&psc_i2s->lock, flags); + /* first make sure it is low */ + while ((in_8(®s->ipcr_acr.ipcr) & 0x80) != 0) + ; + /* then wait for the transition to high */ + while ((in_8(®s->ipcr_acr.ipcr) & 0x80) == 0) + ; + /* Finally, enable the PSC. + * Receiver must always be enabled; even when we only want + * transmit. (see 15.3.2.3 of MPC5200B User's Guide) */ + psc_cmd = MPC52xx_PSC_RX_ENABLE; + if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) + psc_cmd |= MPC52xx_PSC_TX_ENABLE; + out_8(®s->command, psc_cmd); + spin_unlock_irqrestore(&psc_i2s->lock, flags); + + break; + + case SNDRV_PCM_TRIGGER_STOP: + /* Turn off the PSC */ + s->active = 0; + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) { + if (!psc_i2s->playback.active) { + out_8(®s->command, 2 << 4); /* reset rx */ + out_8(®s->command, 3 << 4); /* reset tx */ + out_8(®s->command, 4 << 4); /* reset err */ + } + } else { + out_8(®s->command, 3 << 4); /* reset tx */ + out_8(®s->command, 4 << 4); /* reset err */ + if (!psc_i2s->capture.active) + out_8(®s->command, 2 << 4); /* reset rx */ + } + + bcom_disable(s->bcom_task); + while (!bcom_queue_empty(s->bcom_task)) + bcom_retrieve_buffer(s->bcom_task, NULL, NULL); + + break; + + default: + dev_dbg(psc_i2s->dev, "invalid command\n"); + return -EINVAL; + } + + /* Update interrupt enable settings */ + imr = 0; + if (psc_i2s->playback.active) + imr |= MPC52xx_PSC_IMR_TXEMP; + if (psc_i2s->capture.active) + imr |= MPC52xx_PSC_IMR_ORERR; + out_be16(®s->isr_imr.imr, imr); + + return 0; +} + +/** + * psc_i2s_shutdown: shutdown the data transfer on a stream + * + * Shutdown the PSC if there are no other substreams open. + */ +static void psc_i2s_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + + dev_dbg(psc_i2s->dev, "psc_i2s_shutdown(substream=%p)\n", substream); + + /* + * If this is the last active substream, disable the PSC and release + * the IRQ. + */ + if (!psc_i2s->playback.active && + !psc_i2s->capture.active) { + + /* Disable all interrupts and reset the PSC */ + out_be16(&psc_i2s->psc_regs->isr_imr.imr, 0); + out_8(&psc_i2s->psc_regs->command, 3 << 4); /* reset tx */ + out_8(&psc_i2s->psc_regs->command, 2 << 4); /* reset rx */ + out_8(&psc_i2s->psc_regs->command, 1 << 4); /* reset mode */ + out_8(&psc_i2s->psc_regs->command, 4 << 4); /* reset error */ + + /* Release irqs */ + free_irq(psc_i2s->irq, psc_i2s); + free_irq(psc_i2s->capture.irq, &psc_i2s->capture); + free_irq(psc_i2s->playback.irq, &psc_i2s->playback); + } +} + +/** + * psc_i2s_set_sysclk: set the clock frequency and direction + * + * This function is called by the machine driver to tell us what the clock + * frequency and direction are. + * + * Currently, we only support operating as a clock slave (SND_SOC_CLOCK_IN), + * and we don't care about the frequency. Return an error if the direction + * is not SND_SOC_CLOCK_IN. + * + * @clk_id: reserved, should be zero + * @freq: the frequency of the given clock ID, currently ignored + * @dir: SND_SOC_CLOCK_IN (clock slave) or SND_SOC_CLOCK_OUT (clock master) + */ +static int psc_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, int dir) +{ + struct psc_i2s *psc_i2s = cpu_dai->private_data; + dev_dbg(psc_i2s->dev, "psc_i2s_set_sysclk(cpu_dai=%p, dir=%i)\n", + cpu_dai, dir); + return (dir == SND_SOC_CLOCK_IN) ? 0 : -EINVAL; +} + +/** + * psc_i2s_set_fmt: set the serial format. + * + * This function is called by the machine driver to tell us what serial + * format to use. + * + * This driver only supports I2S mode. Return an error if the format is + * not SND_SOC_DAIFMT_I2S. + * + * @format: one of SND_SOC_DAIFMT_xxx + */ +static int psc_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int format) +{ + struct psc_i2s *psc_i2s = cpu_dai->private_data; + dev_dbg(psc_i2s->dev, "psc_i2s_set_fmt(cpu_dai=%p, format=%i)\n", + cpu_dai, format); + return (format == SND_SOC_DAIFMT_I2S) ? 0 : -EINVAL; +} + +/* --------------------------------------------------------------------- + * ALSA SoC Bindings + * + * - Digital Audio Interface (DAI) template + * - create/destroy dai hooks + */ + +/** + * psc_i2s_dai_template: template CPU Digital Audio Interface + */ +static struct snd_soc_dai psc_i2s_dai_template = { + .type = SND_SOC_DAI_I2S, + .playback = { + .channels_min = 2, + .channels_max = 2, + .rates = PSC_I2S_RATES, + .formats = PSC_I2S_FORMATS, + }, + .capture = { + .channels_min = 2, + .channels_max = 2, + .rates = PSC_I2S_RATES, + .formats = PSC_I2S_FORMATS, + }, + .ops = { + .startup = psc_i2s_startup, + .hw_params = psc_i2s_hw_params, + .hw_free = psc_i2s_hw_free, + .shutdown = psc_i2s_shutdown, + .trigger = psc_i2s_trigger, + }, + .dai_ops = { + .set_sysclk = psc_i2s_set_sysclk, + .set_fmt = psc_i2s_set_fmt, + }, +}; + +/* --------------------------------------------------------------------- + * The PSC I2S 'ASoC platform' driver + * + * Can be referenced by an 'ASoC machine' driver + * This driver only deals with the audio bus; it doesn't have any + * interaction with the attached codec + */ + +static const struct snd_pcm_hardware psc_i2s_pcm_hardware = { + .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER, + .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE | + SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE, + .rate_min = 8000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .period_bytes_max = 1024 * 1024, + .period_bytes_min = 32, + .periods_min = 2, + .periods_max = 256, + .buffer_bytes_max = 2 * 1024 * 1024, + .fifo_size = 0, +}; + +static int psc_i2s_pcm_open(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + struct psc_i2s_stream *s; + + dev_dbg(psc_i2s->dev, "psc_i2s_pcm_open(substream=%p)\n", substream); + + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) + s = &psc_i2s->capture; + else + s = &psc_i2s->playback; + + snd_soc_set_runtime_hwparams(substream, &psc_i2s_pcm_hardware); + + s->stream = substream; + return 0; +} + +static int psc_i2s_pcm_close(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + struct psc_i2s_stream *s; + + dev_dbg(psc_i2s->dev, "psc_i2s_pcm_close(substream=%p)\n", substream); + + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) + s = &psc_i2s->capture; + else + s = &psc_i2s->playback; + + s->stream = NULL; + return 0; +} + +static snd_pcm_uframes_t +psc_i2s_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct psc_i2s *psc_i2s = rtd->dai->cpu_dai->private_data; + struct psc_i2s_stream *s; + dma_addr_t count; + + if (substream->pstr->stream == SNDRV_PCM_STREAM_CAPTURE) + s = &psc_i2s->capture; + else + s = &psc_i2s->playback; + + count = s->period_current_pt - s->period_start; + + return bytes_to_frames(substream->runtime, count); +} + +static struct snd_pcm_ops psc_i2s_pcm_ops = { + .open = psc_i2s_pcm_open, + .close = psc_i2s_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .pointer = psc_i2s_pcm_pointer, +}; + +static u64 psc_i2s_pcm_dmamask = 0xffffffff; +static int psc_i2s_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, + struct snd_pcm *pcm) +{ + struct snd_soc_pcm_runtime *rtd = pcm->private_data; + size_t size = psc_i2s_pcm_hardware.buffer_bytes_max; + int rc = 0; + + dev_dbg(rtd->socdev->dev, "psc_i2s_pcm_new(card=%p, dai=%p, pcm=%p)\n", + card, dai, pcm); + + if (!card->dev->dma_mask) + card->dev->dma_mask = &psc_i2s_pcm_dmamask; + if (!card->dev->coherent_dma_mask) + card->dev->coherent_dma_mask = 0xffffffff; + + if (pcm->streams[0].substream) { + rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->dev, size, + &pcm->streams[0].substream->dma_buffer); + if (rc) + goto playback_alloc_err; + } + + if (pcm->streams[1].substream) { + rc = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->dev, size, + &pcm->streams[1].substream->dma_buffer); + if (rc) + goto capture_alloc_err; + } + + return 0; + + capture_alloc_err: + if (pcm->streams[0].substream) + snd_dma_free_pages(&pcm->streams[0].substream->dma_buffer); + playback_alloc_err: + dev_err(card->dev, "Cannot allocate buffer(s)\n"); + return -ENOMEM; +} + +static void psc_i2s_pcm_free(struct snd_pcm *pcm) +{ + struct snd_soc_pcm_runtime *rtd = pcm->private_data; + struct snd_pcm_substream *substream; + int stream; + + dev_dbg(rtd->socdev->dev, "psc_i2s_pcm_free(pcm=%p)\n", pcm); + + for (stream = 0; stream < 2; stream++) { + substream = pcm->streams[stream].substream; + if (substream) { + snd_dma_free_pages(&substream->dma_buffer); + substream->dma_buffer.area = NULL; + substream->dma_buffer.addr = 0; + } + } +} + +struct snd_soc_platform psc_i2s_pcm_soc_platform = { + .name = "mpc5200-psc-audio", + .pcm_ops = &psc_i2s_pcm_ops, + .pcm_new = &psc_i2s_pcm_new, + .pcm_free = &psc_i2s_pcm_free, +}; + +/* --------------------------------------------------------------------- + * Sysfs attributes for debugging + */ + +static ssize_t psc_i2s_status_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct psc_i2s *psc_i2s = dev_get_drvdata(dev); + + return sprintf(buf, "status=%.4x sicr=%.8x rfnum=%i rfstat=0x%.4x " + "tfnum=%i tfstat=0x%.4x\n", + in_be16(&psc_i2s->psc_regs->sr_csr.status), + in_be32(&psc_i2s->psc_regs->sicr), + in_be16(&psc_i2s->fifo_regs->rfnum) & 0x1ff, + in_be16(&psc_i2s->fifo_regs->rfstat), + in_be16(&psc_i2s->fifo_regs->tfnum) & 0x1ff, + in_be16(&psc_i2s->fifo_regs->tfstat)); +} + +static int *psc_i2s_get_stat_attr(struct psc_i2s *psc_i2s, const char *name) +{ + if (strcmp(name, "playback_underrun") == 0) + return &psc_i2s->stats.underrun_count; + if (strcmp(name, "capture_overrun") == 0) + return &psc_i2s->stats.overrun_count; + + return NULL; +} + +static ssize_t psc_i2s_stat_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct psc_i2s *psc_i2s = dev_get_drvdata(dev); + int *attrib; + + attrib = psc_i2s_get_stat_attr(psc_i2s, attr->attr.name); + if (!attrib) + return 0; + + return sprintf(buf, "%i\n", *attrib); +} + +static ssize_t psc_i2s_stat_store(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct psc_i2s *psc_i2s = dev_get_drvdata(dev); + int *attrib; + + attrib = psc_i2s_get_stat_attr(psc_i2s, attr->attr.name); + if (!attrib) + return 0; + + *attrib = simple_strtoul(buf, NULL, 0); + return count; +} + +DEVICE_ATTR(status, 0644, psc_i2s_status_show, NULL); +DEVICE_ATTR(playback_underrun, 0644, psc_i2s_stat_show, psc_i2s_stat_store); +DEVICE_ATTR(capture_overrun, 0644, psc_i2s_stat_show, psc_i2s_stat_store); + +/* --------------------------------------------------------------------- + * OF platform bus binding code: + * - Probe/remove operations + * - OF device match table + */ +static int __devinit psc_i2s_of_probe(struct of_device *op, + const struct of_device_id *match) +{ + phys_addr_t fifo; + struct psc_i2s *psc_i2s; + struct resource res; + int size, psc_id, irq, rc; + const __be32 *prop; + void __iomem *regs; + + dev_dbg(&op->dev, "probing psc i2s device\n"); + + /* Get the PSC ID */ + prop = of_get_property(op->node, "cell-index", &size); + if (!prop || size < sizeof *prop) + return -ENODEV; + psc_id = be32_to_cpu(*prop); + + /* Fetch the registers and IRQ of the PSC */ + irq = irq_of_parse_and_map(op->node, 0); + if (of_address_to_resource(op->node, 0, &res)) { + dev_err(&op->dev, "Missing reg property\n"); + return -ENODEV; + } + regs = ioremap(res.start, 1 + res.end - res.start); + if (!regs) { + dev_err(&op->dev, "Could not map registers\n"); + return -ENODEV; + } + + /* Allocate and initialize the driver private data */ + psc_i2s = kzalloc(sizeof *psc_i2s, GFP_KERNEL); + if (!psc_i2s) { + iounmap(regs); + return -ENOMEM; + } + spin_lock_init(&psc_i2s->lock); + psc_i2s->irq = irq; + psc_i2s->psc_regs = regs; + psc_i2s->fifo_regs = regs + sizeof *psc_i2s->psc_regs; + psc_i2s->dev = &op->dev; + psc_i2s->playback.psc_i2s = psc_i2s; + psc_i2s->capture.psc_i2s = psc_i2s; + snprintf(psc_i2s->name, sizeof psc_i2s->name, "PSC%u", psc_id+1); + + /* Fill out the CPU DAI structure */ + memcpy(&psc_i2s->dai, &psc_i2s_dai_template, sizeof psc_i2s->dai); + psc_i2s->dai.private_data = psc_i2s; + psc_i2s->dai.name = psc_i2s->name; + psc_i2s->dai.id = psc_id; + + /* Find the address of the fifo data registers and setup the + * DMA tasks */ + fifo = res.start + offsetof(struct mpc52xx_psc, buffer.buffer_32); + psc_i2s->capture.bcom_task = + bcom_psc_gen_bd_rx_init(psc_id, 10, fifo, 512); + psc_i2s->playback.bcom_task = + bcom_psc_gen_bd_tx_init(psc_id, 10, fifo); + if (!psc_i2s->capture.bcom_task || + !psc_i2s->playback.bcom_task) { + dev_err(&op->dev, "Could not allocate bestcomm tasks\n"); + iounmap(regs); + kfree(psc_i2s); + return -ENODEV; + } + + /* Disable all interrupts and reset the PSC */ + out_be16(&psc_i2s->psc_regs->isr_imr.imr, 0); + out_8(&psc_i2s->psc_regs->command, 3 << 4); /* reset transmitter */ + out_8(&psc_i2s->psc_regs->command, 2 << 4); /* reset receiver */ + out_8(&psc_i2s->psc_regs->command, 1 << 4); /* reset mode */ + out_8(&psc_i2s->psc_regs->command, 4 << 4); /* reset error */ + + /* Configure the serial interface mode; defaulting to CODEC8 mode */ + psc_i2s->sicr = MPC52xx_PSC_SICR_DTS1 | MPC52xx_PSC_SICR_I2S | + MPC52xx_PSC_SICR_CLKPOL; + if (of_get_property(op->node, "fsl,cellslave", NULL)) + psc_i2s->sicr |= MPC52xx_PSC_SICR_CELLSLAVE | + MPC52xx_PSC_SICR_GENCLK; + out_be32(&psc_i2s->psc_regs->sicr, + psc_i2s->sicr | MPC52xx_PSC_SICR_SIM_CODEC_8); + + /* Check for the codec handle. If it is not present then we + * are done */ + if (!of_get_property(op->node, "codec-handle", NULL)) + return 0; + + /* Set up mode register; + * First write: RxRdy (FIFO Alarm) generates rx FIFO irq + * Second write: register Normal mode for non loopback + */ + out_8(&psc_i2s->psc_regs->mode, 0); + out_8(&psc_i2s->psc_regs->mode, 0); + + /* Set the TX and RX fifo alarm thresholds */ + out_be16(&psc_i2s->fifo_regs->rfalarm, 0x100); + out_8(&psc_i2s->fifo_regs->rfcntl, 0x4); + out_be16(&psc_i2s->fifo_regs->tfalarm, 0x100); + out_8(&psc_i2s->fifo_regs->tfcntl, 0x7); + + /* Lookup the IRQ numbers */ + psc_i2s->playback.irq = + bcom_get_task_irq(psc_i2s->playback.bcom_task); + psc_i2s->capture.irq = + bcom_get_task_irq(psc_i2s->capture.bcom_task); + + /* Save what we've done so it can be found again later */ + dev_set_drvdata(&op->dev, psc_i2s); + + /* Register the SYSFS files */ + rc = device_create_file(psc_i2s->dev, &dev_attr_status); + rc = device_create_file(psc_i2s->dev, &dev_attr_capture_overrun); + rc = device_create_file(psc_i2s->dev, &dev_attr_playback_underrun); + if (rc) + dev_info(psc_i2s->dev, "error creating sysfs files\n"); + + /* Tell the ASoC OF helpers about it */ + of_snd_soc_register_platform(&psc_i2s_pcm_soc_platform, op->node, + &psc_i2s->dai); + + return 0; +} + +static int __devexit psc_i2s_of_remove(struct of_device *op) +{ + struct psc_i2s *psc_i2s = dev_get_drvdata(&op->dev); + + dev_dbg(&op->dev, "psc_i2s_remove()\n"); + + bcom_gen_bd_rx_release(psc_i2s->capture.bcom_task); + bcom_gen_bd_tx_release(psc_i2s->playback.bcom_task); + + iounmap(psc_i2s->psc_regs); + iounmap(psc_i2s->fifo_regs); + kfree(psc_i2s); + dev_set_drvdata(&op->dev, NULL); + + return 0; +} + +/* Match table for of_platform binding */ +static struct of_device_id psc_i2s_match[] __devinitdata = { + { .compatible = "fsl,mpc5200-psc-i2s", }, + {} +}; +MODULE_DEVICE_TABLE(of, psc_i2s_match); + +static struct of_platform_driver psc_i2s_driver = { + .match_table = psc_i2s_match, + .probe = psc_i2s_of_probe, + .remove = __devexit_p(psc_i2s_of_remove), + .driver = { + .name = "mpc5200-psc-i2s", + .owner = THIS_MODULE, + }, +}; + +/* --------------------------------------------------------------------- + * Module setup and teardown; simply register the of_platform driver + * for the PSC in I2S mode. + */ +static int __init psc_i2s_init(void) +{ + return of_register_platform_driver(&psc_i2s_driver); +} +module_init(psc_i2s_init); + +static void __exit psc_i2s_exit(void) +{ + of_unregister_platform_driver(&psc_i2s_driver); +} +module_exit(psc_i2s_exit); + + -- GitLab From d8e3bb7385da0bcdda4ffa600489fa1439b14673 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Tue, 29 Jul 2008 11:42:31 +0100 Subject: [PATCH 0194/6244] ALSA: ASoC: Add Texas Instruments TLV320AIC26 codec driver ASoC Codec driver for the TLV320AIC26 device. As it stands, this driver doesn't support all the modes and clocking options of the AIC16, but it is a start. Signed-off-by: Grant Likely Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tlv320aic26.c | 519 +++++++++++++++++++++++++++++++++ sound/soc/codecs/tlv320aic26.h | 93 ++++++ 4 files changed, 618 insertions(+) create mode 100644 sound/soc/codecs/tlv320aic26.c create mode 100644 sound/soc/codecs/tlv320aic26.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 1db04a28a53d..9e09fa5f2d45 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -47,6 +47,10 @@ config SND_SOC_CS4270_VD33_ERRATA bool depends on SND_SOC_CS4270 +config SND_SOC_TLV320AIC26 + tristate "TI TLV320AIC26 Codec support" + depends on SND_SOC && SPI + config SND_SOC_TLV320AIC3X tristate depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index d7b97abcf729..dc0357e20fea 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -9,6 +9,7 @@ snd-soc-wm8990-objs := wm8990.o snd-soc-wm9712-objs := wm9712.o snd-soc-wm9713-objs := wm9713.o snd-soc-cs4270-objs := cs4270.o +snd-soc-tlv320aic26-objs := tlv320aic26.o snd-soc-tlv320aic3x-objs := tlv320aic3x.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o @@ -22,4 +23,5 @@ obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o +obj-$(CONFIG_SND_SOC_TLV320AIC26) += snd-soc-tlv320aic26.o obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c new file mode 100644 index 000000000000..4621fda5705e --- /dev/null +++ b/sound/soc/codecs/tlv320aic26.c @@ -0,0 +1,519 @@ +/* + * Texas Instruments TLV320AIC26 low power audio CODEC + * ALSA SoC CODEC driver + * + * Copyright (C) 2008 Secret Lab Technologies Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "tlv320aic26.h" + +MODULE_DESCRIPTION("ASoC TLV320AIC26 codec driver"); +MODULE_AUTHOR("Grant Likely "); +MODULE_LICENSE("GPL"); + +/* AIC26 driver private data */ +struct aic26 { + struct spi_device *spi; + struct snd_soc_codec codec; + u16 reg_cache[AIC26_NUM_REGS]; /* shadow registers */ + int master; + int datfm; + int mclk; + + /* Keyclick parameters */ + int keyclick_amplitude; + int keyclick_freq; + int keyclick_len; +}; + +/* --------------------------------------------------------------------- + * Register access routines + */ +static unsigned int aic26_reg_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + struct aic26 *aic26 = codec->private_data; + u16 *cache = codec->reg_cache; + u16 cmd, value; + u8 buffer[2]; + int rc; + + if (reg >= AIC26_NUM_REGS) { + WARN_ON_ONCE(1); + return 0; + } + + /* Do SPI transfer; first 16bits are command; remaining is + * register contents */ + cmd = AIC26_READ_COMMAND_WORD(reg); + buffer[0] = (cmd >> 8) & 0xff; + buffer[1] = cmd & 0xff; + rc = spi_write_then_read(aic26->spi, buffer, 2, buffer, 2); + if (rc) { + dev_err(&aic26->spi->dev, "AIC26 reg read error\n"); + return -EIO; + } + value = (buffer[0] << 8) | buffer[1]; + + /* Update the cache before returning with the value */ + cache[reg] = value; + return value; +} + +static unsigned int aic26_reg_read_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + + if (reg >= AIC26_NUM_REGS) { + WARN_ON_ONCE(1); + return 0; + } + + return cache[reg]; +} + +static int aic26_reg_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + struct aic26 *aic26 = codec->private_data; + u16 *cache = codec->reg_cache; + u16 cmd; + u8 buffer[4]; + int rc; + + if (reg >= AIC26_NUM_REGS) { + WARN_ON_ONCE(1); + return -EINVAL; + } + + /* Do SPI transfer; first 16bits are command; remaining is data + * to write into register */ + cmd = AIC26_WRITE_COMMAND_WORD(reg); + buffer[0] = (cmd >> 8) & 0xff; + buffer[1] = cmd & 0xff; + buffer[2] = value >> 8; + buffer[3] = value; + rc = spi_write(aic26->spi, buffer, 4); + if (rc) { + dev_err(&aic26->spi->dev, "AIC26 reg read error\n"); + return -EIO; + } + + /* update cache before returning */ + cache[reg] = value; + return 0; +} + +/* --------------------------------------------------------------------- + * Digital Audio Interface Operations + */ +static int aic26_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + struct aic26 *aic26 = codec->private_data; + int fsref, divisor, wlen, pval, jval, dval, qval; + u16 reg; + + dev_dbg(&aic26->spi->dev, "aic26_hw_params(substream=%p, params=%p)\n", + substream, params); + dev_dbg(&aic26->spi->dev, "rate=%i format=%i\n", params_rate(params), + params_format(params)); + + switch (params_rate(params)) { + case 8000: fsref = 48000; divisor = AIC26_DIV_6; break; + case 11025: fsref = 44100; divisor = AIC26_DIV_4; break; + case 12000: fsref = 48000; divisor = AIC26_DIV_4; break; + case 16000: fsref = 48000; divisor = AIC26_DIV_3; break; + case 22050: fsref = 44100; divisor = AIC26_DIV_2; break; + case 24000: fsref = 48000; divisor = AIC26_DIV_2; break; + case 32000: fsref = 48000; divisor = AIC26_DIV_1_5; break; + case 44100: fsref = 44100; divisor = AIC26_DIV_1; break; + case 48000: fsref = 48000; divisor = AIC26_DIV_1; break; + default: + dev_dbg(&aic26->spi->dev, "bad rate\n"); return -EINVAL; + } + + /* select data word length */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S8: wlen = AIC26_WLEN_16; break; + case SNDRV_PCM_FORMAT_S16_BE: wlen = AIC26_WLEN_16; break; + case SNDRV_PCM_FORMAT_S24_BE: wlen = AIC26_WLEN_24; break; + case SNDRV_PCM_FORMAT_S32_BE: wlen = AIC26_WLEN_32; break; + default: + dev_dbg(&aic26->spi->dev, "bad format\n"); return -EINVAL; + } + + /* Configure PLL */ + pval = 1; + jval = (fsref == 44100) ? 7 : 8; + dval = (fsref == 44100) ? 5264 : 1920; + qval = 0; + reg = 0x8000 | qval << 11 | pval << 8 | jval << 2; + aic26_reg_write(codec, AIC26_REG_PLL_PROG1, reg); + reg = dval << 2; + aic26_reg_write(codec, AIC26_REG_PLL_PROG2, reg); + + /* Audio Control 3 (master mode, fsref rate) */ + reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL3); + reg &= ~0xf800; + if (aic26->master) + reg |= 0x0800; + if (fsref == 48000) + reg |= 0x2000; + aic26_reg_write(codec, AIC26_REG_AUDIO_CTRL3, reg); + + /* Audio Control 1 (FSref divisor) */ + reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL1); + reg &= ~0x0fff; + reg |= wlen | aic26->datfm | (divisor << 3) | divisor; + aic26_reg_write(codec, AIC26_REG_AUDIO_CTRL1, reg); + + return 0; +} + +/** + * aic26_mute - Mute control to reduce noise when changing audio format + */ +static int aic26_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + struct aic26 *aic26 = codec->private_data; + u16 reg = aic26_reg_read_cache(codec, AIC26_REG_DAC_GAIN); + + dev_dbg(&aic26->spi->dev, "aic26_mute(dai=%p, mute=%i)\n", + dai, mute); + + if (mute) + reg |= 0x8080; + else + reg &= ~0x8080; + aic26_reg_write(codec, AIC26_REG_DAC_GAIN, reg); + + return 0; +} + +static int aic26_set_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct aic26 *aic26 = codec->private_data; + + dev_dbg(&aic26->spi->dev, "aic26_set_sysclk(dai=%p, clk_id==%i," + " freq=%i, dir=%i)\n", + codec_dai, clk_id, freq, dir); + + /* MCLK needs to fall between 2MHz and 50 MHz */ + if ((freq < 2000000) || (freq > 50000000)) + return -EINVAL; + + aic26->mclk = freq; + return 0; +} + +static int aic26_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct aic26 *aic26 = codec->private_data; + + dev_dbg(&aic26->spi->dev, "aic26_set_fmt(dai=%p, fmt==%i)\n", + codec_dai, fmt); + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: aic26->master = 1; break; + case SND_SOC_DAIFMT_CBS_CFS: aic26->master = 0; break; + default: + dev_dbg(&aic26->spi->dev, "bad master\n"); return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: aic26->datfm = AIC26_DATFM_I2S; break; + case SND_SOC_DAIFMT_DSP_A: aic26->datfm = AIC26_DATFM_DSP; break; + case SND_SOC_DAIFMT_RIGHT_J: aic26->datfm = AIC26_DATFM_RIGHTJ; break; + case SND_SOC_DAIFMT_LEFT_J: aic26->datfm = AIC26_DATFM_LEFTJ; break; + default: + dev_dbg(&aic26->spi->dev, "bad format\n"); return -EINVAL; + } + + return 0; +} + +/* --------------------------------------------------------------------- + * Digital Audio Interface Definition + */ +#define AIC26_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000) +#define AIC26_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |\ + SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE) + +struct snd_soc_dai aic26_dai = { + .name = "tlv320aic26", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = AIC26_RATES, + .formats = AIC26_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = AIC26_RATES, + .formats = AIC26_FORMATS, + }, + .ops = { + .hw_params = aic26_hw_params, + }, + .dai_ops = { + .digital_mute = aic26_mute, + .set_sysclk = aic26_set_sysclk, + .set_fmt = aic26_set_fmt, + }, +}; +EXPORT_SYMBOL_GPL(aic26_dai); + +/* --------------------------------------------------------------------- + * ALSA controls + */ +static const char *aic26_capture_src_text[] = {"Mic", "Aux"}; +static const struct soc_enum aic26_capture_src_enum = + SOC_ENUM_SINGLE(AIC26_REG_AUDIO_CTRL1, 12, 2, aic26_capture_src_text); + +static const struct snd_kcontrol_new aic26_snd_controls[] = { + /* Output */ + SOC_DOUBLE("PCM Playback Volume", AIC26_REG_DAC_GAIN, 8, 0, 0x7f, 1), + SOC_DOUBLE("PCM Playback Switch", AIC26_REG_DAC_GAIN, 15, 7, 1, 1), + SOC_SINGLE("PCM Capture Volume", AIC26_REG_ADC_GAIN, 8, 0x7f, 0), + SOC_SINGLE("PCM Capture Mute", AIC26_REG_ADC_GAIN, 15, 1, 1), + SOC_SINGLE("Keyclick activate", AIC26_REG_AUDIO_CTRL2, 15, 0x1, 0), + SOC_SINGLE("Keyclick amplitude", AIC26_REG_AUDIO_CTRL2, 12, 0x7, 0), + SOC_SINGLE("Keyclick frequency", AIC26_REG_AUDIO_CTRL2, 8, 0x7, 0), + SOC_SINGLE("Keyclick period", AIC26_REG_AUDIO_CTRL2, 4, 0xf, 0), + SOC_ENUM("Capture Source", aic26_capture_src_enum), +}; + +/* --------------------------------------------------------------------- + * SoC CODEC portion of driver: probe and release routines + */ +static int aic26_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + struct snd_kcontrol *kcontrol; + struct aic26 *aic26; + int i, ret, err; + + dev_info(&pdev->dev, "Probing AIC26 SoC CODEC driver\n"); + dev_dbg(&pdev->dev, "socdev=%p\n", socdev); + dev_dbg(&pdev->dev, "codec_data=%p\n", socdev->codec_data); + + /* Fetch the relevant aic26 private data here (it's already been + * stored in the .codec pointer) */ + aic26 = socdev->codec_data; + if (aic26 == NULL) { + dev_err(&pdev->dev, "aic26: missing codec pointer\n"); + return -ENODEV; + } + codec = &aic26->codec; + socdev->codec = codec; + + dev_dbg(&pdev->dev, "Registering PCMs, dev=%p, socdev->dev=%p\n", + &pdev->dev, socdev->dev); + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + dev_err(&pdev->dev, "aic26: failed to create pcms\n"); + return -ENODEV; + } + + /* register controls */ + dev_dbg(&pdev->dev, "Registering controls\n"); + for (i = 0; i < ARRAY_SIZE(aic26_snd_controls); i++) { + kcontrol = snd_soc_cnew(&aic26_snd_controls[i], codec, NULL); + err = snd_ctl_add(codec->card, kcontrol); + WARN_ON(err < 0); + } + + /* CODEC is setup, we can register the card now */ + dev_dbg(&pdev->dev, "Registering card\n"); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + dev_err(&pdev->dev, "aic26: failed to register card\n"); + goto card_err; + } + return 0; + + card_err: + snd_soc_free_pcms(socdev); + return ret; +} + +static int aic26_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + snd_soc_free_pcms(socdev); + return 0; +} + +struct snd_soc_codec_device aic26_soc_codec_dev = { + .probe = aic26_probe, + .remove = aic26_remove, +}; + +/* --------------------------------------------------------------------- + * SPI device portion of driver: sysfs files for debugging + */ + +static ssize_t aic26_keyclick_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct aic26 *aic26 = dev_get_drvdata(dev); + int val, amp, freq, len; + + val = aic26_reg_read_cache(&aic26->codec, AIC26_REG_AUDIO_CTRL2); + amp = (val >> 12) & 0x7; + freq = (125 << ((val >> 8) & 0x7)) >> 1; + len = 2 * (1 + ((val >> 4) & 0xf)); + + return sprintf(buf, "amp=%x freq=%iHz len=%iclks\n", amp, freq, len); +} + +/* Any write to the keyclick attribute will trigger the keyclick event */ +static ssize_t aic26_keyclick_set(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct aic26 *aic26 = dev_get_drvdata(dev); + int val; + + val = aic26_reg_read_cache(&aic26->codec, AIC26_REG_AUDIO_CTRL2); + val |= 0x8000; + aic26_reg_write(&aic26->codec, AIC26_REG_AUDIO_CTRL2, val); + + return count; +} + +DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set); + +/* --------------------------------------------------------------------- + * SPI device portion of driver: probe and release routines and SPI + * driver registration. + */ +static int aic26_spi_probe(struct spi_device *spi) +{ + struct aic26 *aic26; + int rc, i, reg; + + dev_dbg(&spi->dev, "probing tlv320aic26 spi device\n"); + + /* Allocate driver data */ + aic26 = kzalloc(sizeof *aic26, GFP_KERNEL); + if (!aic26) + return -ENOMEM; + + /* Initialize the driver data */ + aic26->spi = spi; + dev_set_drvdata(&spi->dev, aic26); + + /* Setup what we can in the codec structure so that the register + * access functions will work as expected. More will be filled + * out when it is probed by the SoC CODEC part of this driver */ + aic26->codec.private_data = aic26; + aic26->codec.name = "aic26"; + aic26->codec.owner = THIS_MODULE; + aic26->codec.dai = &aic26_dai; + aic26->codec.num_dai = 1; + aic26->codec.read = aic26_reg_read; + aic26->codec.write = aic26_reg_write; + aic26->master = 1; + mutex_init(&aic26->codec.mutex); + INIT_LIST_HEAD(&aic26->codec.dapm_widgets); + INIT_LIST_HEAD(&aic26->codec.dapm_paths); + aic26->codec.reg_cache_size = AIC26_NUM_REGS; + aic26->codec.reg_cache = aic26->reg_cache; + + /* Reset the codec to power on defaults */ + aic26_reg_write(&aic26->codec, AIC26_REG_RESET, 0xBB00); + + /* Power up CODEC */ + aic26_reg_write(&aic26->codec, AIC26_REG_POWER_CTRL, 0); + + /* Audio Control 3 (master mode, fsref rate) */ + reg = aic26_reg_read(&aic26->codec, AIC26_REG_AUDIO_CTRL3); + reg &= ~0xf800; + reg |= 0x0800; /* set master mode */ + aic26_reg_write(&aic26->codec, AIC26_REG_AUDIO_CTRL3, reg); + + /* Fill register cache */ + for (i = 0; i < ARRAY_SIZE(aic26->reg_cache); i++) + aic26_reg_read(&aic26->codec, i); + + /* Register the sysfs files for debugging */ + /* Create SysFS files */ + rc = device_create_file(&spi->dev, &dev_attr_keyclick); + if (rc) + dev_info(&spi->dev, "error creating sysfs files\n"); + +#if defined(CONFIG_SND_SOC_OF_SIMPLE) + /* Tell the of_soc helper about this codec */ + of_snd_soc_register_codec(&aic26_soc_codec_dev, aic26, &aic26_dai, + spi->dev.archdata.of_node); +#endif + + dev_dbg(&spi->dev, "SPI device initialized\n"); + return 0; +} + +static int aic26_spi_remove(struct spi_device *spi) +{ + struct aic26 *aic26 = dev_get_drvdata(&spi->dev); + + kfree(aic26); + + return 0; +} + +static struct spi_driver aic26_spi = { + .driver = { + .name = "tlv320aic26", + .owner = THIS_MODULE, + }, + .probe = aic26_spi_probe, + .remove = aic26_spi_remove, +}; + +static int __init aic26_init(void) +{ + return spi_register_driver(&aic26_spi); +} +module_init(aic26_init); + +static void __exit aic26_exit(void) +{ + spi_unregister_driver(&aic26_spi); +} +module_exit(aic26_exit); diff --git a/sound/soc/codecs/tlv320aic26.h b/sound/soc/codecs/tlv320aic26.h new file mode 100644 index 000000000000..62b1f2261429 --- /dev/null +++ b/sound/soc/codecs/tlv320aic26.h @@ -0,0 +1,93 @@ +/* + * Texas Instruments TLV320AIC26 low power audio CODEC + * register definitions + * + * Copyright (C) 2008 Secret Lab Technologies Ltd. + */ + +#ifndef _TLV320AIC16_H_ +#define _TLV320AIC16_H_ + +/* AIC26 Registers */ +#define AIC26_READ_COMMAND_WORD(addr) ((1 << 15) | (addr << 5)) +#define AIC26_WRITE_COMMAND_WORD(addr) ((0 << 15) | (addr << 5)) +#define AIC26_PAGE_ADDR(page, offset) ((page << 6) | offset) +#define AIC26_NUM_REGS AIC26_PAGE_ADDR(3, 0) + +/* Page 0: Auxillary data registers */ +#define AIC26_REG_BAT1 AIC26_PAGE_ADDR(0, 0x05) +#define AIC26_REG_BAT2 AIC26_PAGE_ADDR(0, 0x06) +#define AIC26_REG_AUX AIC26_PAGE_ADDR(0, 0x07) +#define AIC26_REG_TEMP1 AIC26_PAGE_ADDR(0, 0x09) +#define AIC26_REG_TEMP2 AIC26_PAGE_ADDR(0, 0x0A) + +/* Page 1: Auxillary control registers */ +#define AIC26_REG_AUX_ADC AIC26_PAGE_ADDR(1, 0x00) +#define AIC26_REG_STATUS AIC26_PAGE_ADDR(1, 0x01) +#define AIC26_REG_REFERENCE AIC26_PAGE_ADDR(1, 0x03) +#define AIC26_REG_RESET AIC26_PAGE_ADDR(1, 0x04) + +/* Page 2: Audio control registers */ +#define AIC26_REG_AUDIO_CTRL1 AIC26_PAGE_ADDR(2, 0x00) +#define AIC26_REG_ADC_GAIN AIC26_PAGE_ADDR(2, 0x01) +#define AIC26_REG_DAC_GAIN AIC26_PAGE_ADDR(2, 0x02) +#define AIC26_REG_SIDETONE AIC26_PAGE_ADDR(2, 0x03) +#define AIC26_REG_AUDIO_CTRL2 AIC26_PAGE_ADDR(2, 0x04) +#define AIC26_REG_POWER_CTRL AIC26_PAGE_ADDR(2, 0x05) +#define AIC26_REG_AUDIO_CTRL3 AIC26_PAGE_ADDR(2, 0x06) + +#define AIC26_REG_FILTER_COEFF_L_N0 AIC26_PAGE_ADDR(2, 0x07) +#define AIC26_REG_FILTER_COEFF_L_N1 AIC26_PAGE_ADDR(2, 0x08) +#define AIC26_REG_FILTER_COEFF_L_N2 AIC26_PAGE_ADDR(2, 0x09) +#define AIC26_REG_FILTER_COEFF_L_N3 AIC26_PAGE_ADDR(2, 0x0A) +#define AIC26_REG_FILTER_COEFF_L_N4 AIC26_PAGE_ADDR(2, 0x0B) +#define AIC26_REG_FILTER_COEFF_L_N5 AIC26_PAGE_ADDR(2, 0x0C) +#define AIC26_REG_FILTER_COEFF_L_D1 AIC26_PAGE_ADDR(2, 0x0D) +#define AIC26_REG_FILTER_COEFF_L_D2 AIC26_PAGE_ADDR(2, 0x0E) +#define AIC26_REG_FILTER_COEFF_L_D4 AIC26_PAGE_ADDR(2, 0x0F) +#define AIC26_REG_FILTER_COEFF_L_D5 AIC26_PAGE_ADDR(2, 0x10) +#define AIC26_REG_FILTER_COEFF_R_N0 AIC26_PAGE_ADDR(2, 0x11) +#define AIC26_REG_FILTER_COEFF_R_N1 AIC26_PAGE_ADDR(2, 0x12) +#define AIC26_REG_FILTER_COEFF_R_N2 AIC26_PAGE_ADDR(2, 0x13) +#define AIC26_REG_FILTER_COEFF_R_N3 AIC26_PAGE_ADDR(2, 0x14) +#define AIC26_REG_FILTER_COEFF_R_N4 AIC26_PAGE_ADDR(2, 0x15) +#define AIC26_REG_FILTER_COEFF_R_N5 AIC26_PAGE_ADDR(2, 0x16) +#define AIC26_REG_FILTER_COEFF_R_D1 AIC26_PAGE_ADDR(2, 0x17) +#define AIC26_REG_FILTER_COEFF_R_D2 AIC26_PAGE_ADDR(2, 0x18) +#define AIC26_REG_FILTER_COEFF_R_D4 AIC26_PAGE_ADDR(2, 0x19) +#define AIC26_REG_FILTER_COEFF_R_D5 AIC26_PAGE_ADDR(2, 0x1A) + +#define AIC26_REG_PLL_PROG1 AIC26_PAGE_ADDR(2, 0x1B) +#define AIC26_REG_PLL_PROG2 AIC26_PAGE_ADDR(2, 0x1C) +#define AIC26_REG_AUDIO_CTRL4 AIC26_PAGE_ADDR(2, 0x1D) +#define AIC26_REG_AUDIO_CTRL5 AIC26_PAGE_ADDR(2, 0x1E) + +/* fsref dividers; used in register 'Audio Control 1' */ +enum aic26_divisors { + AIC26_DIV_1 = 0, + AIC26_DIV_1_5 = 1, + AIC26_DIV_2 = 2, + AIC26_DIV_3 = 3, + AIC26_DIV_4 = 4, + AIC26_DIV_5 = 5, + AIC26_DIV_5_5 = 6, + AIC26_DIV_6 = 7, +}; + +/* Digital data format */ +enum aic26_datfm { + AIC26_DATFM_I2S = 0 << 8, + AIC26_DATFM_DSP = 1 << 8, + AIC26_DATFM_RIGHTJ = 2 << 8, /* right justified */ + AIC26_DATFM_LEFTJ = 3 << 8, /* left justified */ +}; + +/* Sample word length in bits; used in register 'Audio Control 1' */ +enum aic26_wlen { + AIC26_WLEN_16 = 0 << 10, + AIC26_WLEN_20 = 1 << 10, + AIC26_WLEN_24 = 2 << 10, + AIC26_WLEN_32 = 3 << 10, +}; + +#endif /* _TLV320AIC16_H_ */ -- GitLab From ecb0b3f62762cec4fd02eb6b0375aee1f5a49520 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jul 2008 11:42:32 +0100 Subject: [PATCH 0195/6244] ALSA: ASoC: Export DAI and codec for TLV320AIC26 This fixes sparse warnings and allows non-OpenFirmware systems to attempt to bind to the device. Signed-off-by: Mark Brown Acked-by: Grant Likely Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/tlv320aic26.c | 1 + sound/soc/codecs/tlv320aic26.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c index 4621fda5705e..73b70271e58c 100644 --- a/sound/soc/codecs/tlv320aic26.c +++ b/sound/soc/codecs/tlv320aic26.c @@ -383,6 +383,7 @@ struct snd_soc_codec_device aic26_soc_codec_dev = { .probe = aic26_probe, .remove = aic26_remove, }; +EXPORT_SYMBOL_GPL(aic26_soc_codec_dev); /* --------------------------------------------------------------------- * SPI device portion of driver: sysfs files for debugging diff --git a/sound/soc/codecs/tlv320aic26.h b/sound/soc/codecs/tlv320aic26.h index 62b1f2261429..786ba16c945f 100644 --- a/sound/soc/codecs/tlv320aic26.h +++ b/sound/soc/codecs/tlv320aic26.h @@ -90,4 +90,7 @@ enum aic26_wlen { AIC26_WLEN_32 = 3 << 10, }; +extern struct snd_soc_dai aic26_dai; +extern struct snd_soc_codec_device aic26_soc_codec_dev; + #endif /* _TLV320AIC16_H_ */ -- GitLab From 9cce39a1ba2e69a0fedc9ad9356d3b4a81e138a4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jul 2008 11:42:33 +0100 Subject: [PATCH 0196/6244] ALSA: ASoC: Staticise keyclick dev_attr in tlv320aic26 Signed-off-by: Mark Brown Acked-by: Grant Likely Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/tlv320aic26.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c index 73b70271e58c..bed8a9e63ddc 100644 --- a/sound/soc/codecs/tlv320aic26.c +++ b/sound/soc/codecs/tlv320aic26.c @@ -418,7 +418,7 @@ static ssize_t aic26_keyclick_set(struct device *dev, return count; } -DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set); +static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set); /* --------------------------------------------------------------------- * SPI device portion of driver: probe and release routines and SPI -- GitLab From 5f57dc8b2a05f1d69f913fd885539b8c1f8fb8a1 Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Tue, 29 Jul 2008 11:42:34 +0100 Subject: [PATCH 0197/6244] ALSA: ASoC: AD1980 audio codec driver [Mechanical updates from code review applied -- broonie] Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/Kconfig | 3 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/ad1980.c | 309 ++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/ad1980.h | 23 +++ 4 files changed, 337 insertions(+) create mode 100644 sound/soc/codecs/ad1980.c create mode 100644 sound/soc/codecs/ad1980.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 9e09fa5f2d45..7ab74cd7b85e 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -2,6 +2,9 @@ config SND_SOC_AC97_CODEC tristate select SND_AC97_CODEC +config SND_SOC_AD1980 + tristate + config SND_SOC_AK4535 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index dc0357e20fea..409e4dd1789a 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -1,4 +1,5 @@ snd-soc-ac97-objs := ac97.o +snd-soc-ad1980-objs := ad1980.o snd-soc-ak4535-objs := ak4535.o snd-soc-uda1380-objs := uda1380.o snd-soc-wm8510-objs := wm8510.o @@ -13,6 +14,7 @@ snd-soc-tlv320aic26-objs := tlv320aic26.o snd-soc-tlv320aic3x-objs := tlv320aic3x.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o +obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c new file mode 100644 index 000000000000..bfbab3d6c35c --- /dev/null +++ b/sound/soc/codecs/ad1980.c @@ -0,0 +1,309 @@ +/* + * ad1980.c -- ALSA Soc AD1980 codec support + * + * Copyright: Analog Device Inc. + * Author: Roy Huang + * Cliff Cai + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ad1980.h" + +static unsigned int ac97_read(struct snd_soc_codec *codec, + unsigned int reg); +static int ac97_write(struct snd_soc_codec *codec, + unsigned int reg, unsigned int val); + +/* + * AD1980 register cache + */ +static const u16 ad1980_reg[] = { + 0x0090, 0x8000, 0x8000, 0x8000, /* 0 - 6 */ + 0x0000, 0x0000, 0x8008, 0x8008, /* 8 - e */ + 0x8808, 0x8808, 0x0000, 0x8808, /* 10 - 16 */ + 0x8808, 0x0000, 0x8000, 0x0000, /* 18 - 1e */ + 0x0000, 0x0000, 0x0000, 0x0000, /* 20 - 26 */ + 0x03c7, 0x0000, 0xbb80, 0xbb80, /* 28 - 2e */ + 0xbb80, 0xbb80, 0x0000, 0x8080, /* 30 - 36 */ + 0x8080, 0x2000, 0x0000, 0x0000, /* 38 - 3e */ + 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ + 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ + 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ + 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ + 0x8080, 0x0000, 0x0000, 0x0000, /* 60 - 66 */ + 0x0000, 0x0000, 0x0000, 0x0000, /* reserved */ + 0x0000, 0x0000, 0x1001, 0x0000, /* 70 - 76 */ + 0x0000, 0x0000, 0x4144, 0x5370 /* 78 - 7e */ +}; + +static const char *ad1980_rec_sel[] = {"Mic", "CD", "NC", "AUX", "Line", + "Stereo Mix", "Mono Mix", "Phone"}; + +static const struct soc_enum ad1980_cap_src = + SOC_ENUM_DOUBLE(AC97_REC_SEL, 8, 0, 7, ad1980_rec_sel); + +static const struct snd_kcontrol_new ad1980_snd_ac97_controls[] = { +SOC_DOUBLE("Master Playback Volume", AC97_MASTER, 8, 0, 31, 1), +SOC_SINGLE("Master Playback Switch", AC97_MASTER, 15, 1, 1), + +SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), +SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), + +SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), +SOC_SINGLE("PCM Playback Switch", AC97_PCM, 15, 1, 1), + +SOC_DOUBLE("PCM Capture Volume", AC97_REC_GAIN, 8, 0, 31, 0), +SOC_SINGLE("PCM Capture Switch", AC97_REC_GAIN, 15, 1, 1), + +SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), +SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), + +SOC_SINGLE("Phone Capture Volume", AC97_PHONE, 0, 31, 1), +SOC_SINGLE("Phone Capture Switch", AC97_PHONE, 15, 1, 1), + +SOC_SINGLE("Mic Volume", AC97_MIC, 0, 31, 1), +SOC_SINGLE("Mic Switch", AC97_MIC, 15, 1, 1), + +SOC_SINGLE("Stereo Mic Switch", AC97_AD_MISC, 6, 1, 0), +SOC_DOUBLE("Line HP Swap Switch", AC97_AD_MISC, 10, 5, 1, 0), + +SOC_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1), +SOC_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1), + +SOC_ENUM("Capture Source", ad1980_cap_src), + +SOC_SINGLE("Mic Boost Switch", AC97_MIC, 6, 1, 0), +}; + +/* add non dapm controls */ +static int ad1980_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(ad1980_snd_ac97_controls); i++) { + err = snd_ctl_add(codec->card, snd_soc_cnew( + &ad1980_snd_ac97_controls[i], codec, NULL)); + if (err < 0) + return err; + } + return 0; +} + +static unsigned int ac97_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + + switch (reg) { + case AC97_RESET: + case AC97_INT_PAGING: + case AC97_POWERDOWN: + case AC97_EXTENDED_STATUS: + case AC97_VENDOR_ID1: + case AC97_VENDOR_ID2: + return soc_ac97_ops.read(codec->ac97, reg); + default: + reg = reg >> 1; + + if (reg >= (ARRAY_SIZE(ad1980_reg))) + return -EINVAL; + + return cache[reg]; + } +} + +static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val) +{ + u16 *cache = codec->reg_cache; + + soc_ac97_ops.write(codec->ac97, reg, val); + reg = reg >> 1; + if (reg < (ARRAY_SIZE(ad1980_reg))) + cache[reg] = val; + + return 0; +} + +struct snd_soc_codec_dai ad1980_dai = { + .name = "AC97", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, }, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, }, +}; +EXPORT_SYMBOL_GPL(ad1980_dai); + +static int ad1980_reset(struct snd_soc_codec *codec, int try_warm) +{ + u16 retry_cnt = 0; + +retry: + if (try_warm && soc_ac97_ops.warm_reset) { + soc_ac97_ops.warm_reset(codec->ac97); + if (ac97_read(codec, AC97_RESET) == 0x0090) + return 1; + } + + soc_ac97_ops.reset(codec->ac97); + /* Set bit 16slot in register 74h, then every slot will has only 16 + * bits. This command is sent out in 20bit mode, in which case the + * first nibble of data is eaten by the addr. (Tag is always 16 bit)*/ + ac97_write(codec, AC97_AD_SERIAL_CFG, 0x9900); + + if (ac97_read(codec, AC97_RESET) != 0x0090) + goto err; + return 0; + +err: + while (retry_cnt++ < 10) + goto retry; + + printk(KERN_ERR "AD1980 AC97 reset failed\n"); + return -EIO; +} + +static int ad1980_soc_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + int ret = 0; + u16 vendor_id2; + + printk(KERN_INFO "AD1980 SoC Audio Codec\n"); + + socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (socdev->codec == NULL) + return -ENOMEM; + codec = socdev->codec; + mutex_init(&codec->mutex); + + codec->reg_cache = + kzalloc(sizeof(u16) * ARRAY_SIZE(ad1980_reg), GFP_KERNEL); + if (codec->reg_cache == NULL) { + ret = -ENOMEM; + goto cache_err; + } + memcpy(codec->reg_cache, ad1980_reg, sizeof(u16) * \ + ARRAY_SIZE(ad1980_reg)); + codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(ad1980_reg); + codec->reg_cache_step = 2; + codec->name = "AD1980"; + codec->owner = THIS_MODULE; + codec->dai = &ad1980_dai; + codec->num_dai = 1; + codec->write = ac97_write; + codec->read = ac97_read; + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); + if (ret < 0) { + printk(KERN_ERR "ad1980: failed to register AC97 codec\n"); + goto codec_err; + } + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) + goto pcm_err; + + + ret = ad1980_reset(codec, 0); + if (ret < 0) { + printk(KERN_ERR "AC97 link error\n"); + goto reset_err; + } + + /* Read out vendor ID to make sure it is ad1980 */ + if (ac97_read(codec, AC97_VENDOR_ID1) != 0x4144) + goto reset_err; + + vendor_id2 = ac97_read(codec, AC97_VENDOR_ID2); + + if (vendor_id2 != 0x5370) { + if (vendor_id2 != 0x5374) + goto reset_err; + else + printk(KERN_WARNING "ad1980: " + "Found AD1981 - only 2/2 IN/OUT Channels " + "supported\n"); + } + + ac97_write(codec, AC97_MASTER, 0x0000); /* unmute line out volume */ + ac97_write(codec, AC97_PCM, 0x0000); /* unmute PCM out volume */ + ac97_write(codec, AC97_REC_GAIN, 0x0000);/* unmute record volume */ + + ad1980_add_controls(codec); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "ad1980: failed to register card\n"); + goto reset_err; + } + + return 0; + +reset_err: + snd_soc_free_pcms(socdev); + +pcm_err: + snd_soc_free_ac97_codec(codec); + +codec_err: + kfree(codec->reg_cache); + +cache_err: + kfree(socdev->codec); + socdev->codec = NULL; + return ret; +} + +static int ad1980_soc_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec == NULL) + return 0; + + snd_soc_dapm_free(socdev); + snd_soc_free_pcms(socdev); + snd_soc_free_ac97_codec(codec); + kfree(codec->reg_cache); + kfree(codec); + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_ad1980 = { + .probe = ad1980_soc_probe, + .remove = ad1980_soc_remove, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_ad1980); + +MODULE_DESCRIPTION("ASoC ad1980 driver"); +MODULE_AUTHOR("Roy Huang, Cliff Cai"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/ad1980.h b/sound/soc/codecs/ad1980.h new file mode 100644 index 000000000000..5d4710db8321 --- /dev/null +++ b/sound/soc/codecs/ad1980.h @@ -0,0 +1,23 @@ +/* + * ad1980.h -- ad1980 Soc Audio driver + */ + +#ifndef _AD1980_H +#define _AD1980_H +/* Bit definition of Power-Down Control/Status Register */ +#define ADC 0x0001 +#define DAC 0x0002 +#define ANL 0x0004 +#define REF 0x0008 +#define PR0 0x0100 +#define PR1 0x0200 +#define PR2 0x0400 +#define PR3 0x0800 +#define PR4 0x1000 +#define PR5 0x2000 +#define PR6 0x4000 + +extern struct snd_soc_codec_dai ad1980_dai; +extern struct snd_soc_codec_device soc_codec_dev_ad1980; + +#endif -- GitLab From 0c94161580eee8137b868301434ea392083258b5 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jul 2008 11:42:35 +0100 Subject: [PATCH 0198/6244] ALSA: ASoC: Add all CODECs Kconfig option Allow all the CODEC drivers to be built without a machine driver in order to facilitate testing of subsystem-wide changes and gain better coverage from automated testing efforts. This also helps things like the generic OpenFirmware machine driver for PowerPC. Currently AC97 CODECs are not included since the current setup relies on having a controller driver available. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/Kconfig | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 7ab74cd7b85e..1c934230494f 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1,3 +1,26 @@ +config SND_SOC_ALL_CODECS + tristate "Build all ASoC CODEC drivers" + select I2C + select SPI + select SND_SOC_AK4535 + select SND_SOC_UDA1380 + select SND_SOC_WM8510 + select SND_SOC_WM8731 + select SND_SOC_WM8750 + select SND_SOC_WM8753 + select SND_SOC_WM8990 + select SND_SOC_CS4270 + select SND_SOC_TLV320AIC26 + select SND_SOC_TLV320AIC3X + help + Normally ASoC codec drivers are only built if a machine driver which + uses them is also built since they are only usable with a machine + driver. Selecting this option will allow these drivers to be built + without an explicit machine driver for test and development purposes. + + If unsure select "N". + + config SND_SOC_AC97_CODEC tristate select SND_AC97_CODEC -- GitLab From 815ecf8dec95d07e260a16ebe8409f4b7c0fdc0f Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Tue, 29 Jul 2008 10:22:24 -0400 Subject: [PATCH 0199/6244] ALSA: ASoC: convert use of uint to unsigned int ASOC: convert use of uint to unsigned int Signed-off-by: Jon Smirl Acked-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/soc.h | 2 +- sound/soc/soc-core.c | 48 ++++++++++++++++++++++---------------------- sound/soc/soc-dapm.c | 36 ++++++++++++++++----------------- 3 files changed, 43 insertions(+), 43 deletions(-) diff --git a/include/sound/soc.h b/include/sound/soc.h index 5ca231f080a0..a1e0357a84d7 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -527,7 +527,7 @@ struct snd_soc_pcm_runtime { /* mixer control */ struct soc_mixer_control { int min, max; - uint reg, rreg, shift, rshift, invert; + unsigned int reg, rreg, shift, rshift, invert; }; /* enumerated kcontrol */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 11a881caba76..1563ceedf61a 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1457,8 +1457,8 @@ int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; int max = mc->max; - uint shift = mc->min; - uint rshift = mc->rshift; + unsigned int shift = mc->min; + unsigned int rshift = mc->rshift; if (max == 1) uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; @@ -1487,12 +1487,12 @@ int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; - uint shift = mc->shift; - uint rshift = mc->rshift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1526,12 +1526,12 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; - uint shift = mc->shift; - uint rshift = mc->rshift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; unsigned short val, val2, val_mask; val = (ucontrol->value.integer.value[0] & mask); @@ -1594,12 +1594,12 @@ int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; - uint reg2 = mc->rreg; - uint shift = mc->shift; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; int max = mc->max; - uint mask = (1<invert; + unsigned int mask = (1<invert; ucontrol->value.integer.value[0] = (snd_soc_read(codec, reg) >> shift) & mask; @@ -1631,12 +1631,12 @@ int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; - uint reg2 = mc->rreg; - uint shift = mc->shift; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; int err; unsigned short val, val2, val_mask; @@ -1701,7 +1701,7 @@ int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; + unsigned int reg = mc->reg; int min = mc->min; int val = snd_soc_read(codec, reg); @@ -1728,7 +1728,7 @@ int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - uint reg = mc->reg; + unsigned int reg = mc->reg; int min = mc->min; unsigned short val; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index f08be8a329e9..7a88f764daf8 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -106,11 +106,11 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, int val; struct soc_mixer_control *mc = (struct soc_mixer_control *) w->kcontrols[i].private_value; - uint reg = mc->reg; - uint shift = mc->shift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; val = snd_soc_read(w->codec, reg); val = (val >> shift) & mask; @@ -252,11 +252,11 @@ static int dapm_set_pga(struct snd_soc_dapm_widget *widget, int power) if (widget->num_kcontrols && k) { struct soc_mixer_control *mc = (struct soc_mixer_control *)k->private_value; - uint reg = mc->reg; - uint shift = mc->shift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; if (power) { int i; @@ -1141,12 +1141,12 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - uint reg = mc->reg; - uint shift = mc->shift; - uint rshift = mc->rshift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; int max = mc->max; - uint invert = mc->invert; - uint mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; /* return the saved value if we are powered down */ if (widget->id == snd_soc_dapm_pga && !widget->power) { @@ -1186,12 +1186,12 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - uint reg = mc->reg; - uint shift = mc->shift; - uint rshift = mc->rshift; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int rshift = mc->rshift; int max = mc->max; - uint mask = (1 << fls(max)) - 1; - uint invert = mc->invert; + unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; unsigned short val, val2, val_mask; int ret; -- GitLab From 9423969005586e6e27ca380e01b4a8c50698e2af Mon Sep 17 00:00:00 2001 From: Pawel MOLL Date: Tue, 29 Jul 2008 17:34:26 +0100 Subject: [PATCH 0200/6244] ALSA: Fix limit of 8 PCM devices in SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE When compiled with CONFIG_SND_DYNAMIC_MINORS the ALSA core is fine to have more than 8 PCM devices per card, except one place - the SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE ioctl, which will not enumerate devices > 7. This patch fixes the issue, changing the devices list organisation. Instead of adding new device to the tail, the list is now kept always ordered (by card number, then device number). Thus, during enumeration, it is easy to discover the fact that there is no more given card's devices. The same limit was present in OSS emulation code. It has been fixed as well. Additionally the device field of struct snd_pcm is now int, instead of unsigned int, as there is no obvious reason for keeping it unsigned. This caused a lot of problems with comparing this value with other (almost always signed) variables. There is just one more place where device number is unsigned - in struct snd_pcm_info, which should be also sorted out in future. Signed-off-by: Pawel MOLL Signed-off-by: Jaroslav Kysela --- include/sound/minors.h | 2 ++ include/sound/pcm.h | 4 +--- sound/core/oss/pcm_oss.c | 10 ++++---- sound/core/pcm.c | 50 +++++++++++++++++++++++++++++----------- sound/core/sound.c | 2 -- 5 files changed, 45 insertions(+), 23 deletions(-) diff --git a/include/sound/minors.h b/include/sound/minors.h index 46bcd2023ed8..a81798ab73ed 100644 --- a/include/sound/minors.h +++ b/include/sound/minors.h @@ -21,6 +21,8 @@ * */ +#define SNDRV_OS_MINORS 256 + #define SNDRV_MINOR_DEVICES 32 #define SNDRV_MINOR_CARD(minor) ((minor) >> 5) #define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f) diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 51d58ccda2d8..bfc096ac82e5 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -84,8 +84,6 @@ struct snd_pcm_ops { * */ -#define SNDRV_PCM_DEVICES 8 - #define SNDRV_PCM_IOCTL1_FALSE ((void *)0) #define SNDRV_PCM_IOCTL1_TRUE ((void *)1) @@ -416,7 +414,7 @@ struct snd_pcm_str { struct snd_pcm { struct snd_card *card; struct list_head list; - unsigned int device; /* device number */ + int device; /* device number */ unsigned int info_flags; unsigned short dev_class; unsigned short dev_subclass; diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 4c601b192ddf..4ccd761a5f41 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2947,7 +2947,7 @@ static void register_oss_dsp(struct snd_pcm *pcm, int index) static int snd_pcm_oss_register_minor(struct snd_pcm *pcm) { pcm->oss.reg = 0; - if (dsp_map[pcm->card->number] == (int)pcm->device) { + if (dsp_map[pcm->card->number] == pcm->device) { char name[128]; int duplex; register_oss_dsp(pcm, 0); @@ -2963,7 +2963,7 @@ static int snd_pcm_oss_register_minor(struct snd_pcm *pcm) pcm->oss.reg++; pcm->oss.reg_mask |= 1; } - if (adsp_map[pcm->card->number] == (int)pcm->device) { + if (adsp_map[pcm->card->number] == pcm->device) { register_oss_dsp(pcm, 1); pcm->oss.reg++; pcm->oss.reg_mask |= 2; @@ -2988,7 +2988,7 @@ static int snd_pcm_oss_disconnect_minor(struct snd_pcm *pcm) snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM, pcm->card, 1); } - if (dsp_map[pcm->card->number] == (int)pcm->device) { + if (dsp_map[pcm->card->number] == pcm->device) { #ifdef SNDRV_OSS_INFO_DEV_AUDIO snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_AUDIO, pcm->card->number); #endif @@ -3019,12 +3019,12 @@ static int __init alsa_pcm_oss_init(void) /* check device map table */ for (i = 0; i < SNDRV_CARDS; i++) { - if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_PCM_DEVICES) { + if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_OS_MINORS) { snd_printk(KERN_ERR "invalid dsp_map[%d] = %d\n", i, dsp_map[i]); dsp_map[i] = 0; } - if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_PCM_DEVICES) { + if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_OS_MINORS) { snd_printk(KERN_ERR "invalid adsp_map[%d] = %d\n", i, adsp_map[i]); adsp_map[i] = 1; diff --git a/sound/core/pcm.c b/sound/core/pcm.c index ece25c718e95..24271a3bd901 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -42,7 +42,7 @@ static int snd_pcm_dev_free(struct snd_device *device); static int snd_pcm_dev_register(struct snd_device *device); static int snd_pcm_dev_disconnect(struct snd_device *device); -static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device) +static inline struct snd_pcm *snd_pcm_get(struct snd_card *card, int device) { struct snd_pcm *pcm; @@ -53,6 +53,37 @@ static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device) return NULL; } +static inline int snd_pcm_next(struct snd_card *card, int device) +{ + struct snd_pcm *pcm; + + list_for_each_entry(pcm, &snd_pcm_devices, list) { + if (pcm->card == card && pcm->device > device) + return pcm->device; + else if (pcm->card->number > card->number) + return -1; + } + return -1; +} + +static inline int snd_pcm_add(struct snd_pcm *newpcm) +{ + struct snd_pcm *pcm; + + list_for_each_entry(pcm, &snd_pcm_devices, list) { + if (pcm->card == newpcm->card && pcm->device == newpcm->device) + return -EBUSY; + if (pcm->card->number > newpcm->card->number || + (pcm->card == newpcm->card && + pcm->device > newpcm->device)) { + list_add(&newpcm->list, pcm->list.prev); + return 0; + } + } + list_add_tail(&newpcm->list, &snd_pcm_devices); + return 0; +} + static int snd_pcm_control_ioctl(struct snd_card *card, struct snd_ctl_file *control, unsigned int cmd, unsigned long arg) @@ -65,14 +96,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(device, (int __user *)arg)) return -EFAULT; mutex_lock(®ister_mutex); - device = device < 0 ? 0 : device + 1; - while (device < SNDRV_PCM_DEVICES) { - if (snd_pcm_search(card, device)) - break; - device++; - } - if (device == SNDRV_PCM_DEVICES) - device = -1; + device = snd_pcm_next(card, device); mutex_unlock(®ister_mutex); if (put_user(device, (int __user *)arg)) return -EFAULT; @@ -98,7 +122,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(subdevice, &info->subdevice)) return -EFAULT; mutex_lock(®ister_mutex); - pcm = snd_pcm_search(card, device); + pcm = snd_pcm_get(card, device); if (pcm == NULL) { err = -ENXIO; goto _error; @@ -931,11 +955,11 @@ static int snd_pcm_dev_register(struct snd_device *device) snd_assert(pcm != NULL && device != NULL, return -ENXIO); mutex_lock(®ister_mutex); - if (snd_pcm_search(pcm->card, pcm->device)) { + err = snd_pcm_add(pcm); + if (err) { mutex_unlock(®ister_mutex); - return -EBUSY; + return err; } - list_add_tail(&pcm->list, &snd_pcm_devices); for (cidx = 0; cidx < 2; cidx++) { int devtype = -1; if (pcm->streams[cidx].substream == NULL) diff --git a/sound/core/sound.c b/sound/core/sound.c index 1003ae375d47..838dd9ee957c 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -34,8 +34,6 @@ #include #include -#define SNDRV_OS_MINORS 256 - static int major = CONFIG_SND_MAJOR; int snd_major; EXPORT_SYMBOL(snd_major); -- GitLab From 6902c0bead4ce266226fc0c5b3828b850bdc884a Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 6 Jun 2008 01:33:22 -0400 Subject: [PATCH 0201/6244] Input: gameport - make gameport_register_driver() return errors Perform actual driver registration right in gameport_register_driver() instead of offloading it to kgameportd and return proper error code to callers if driver registration fails. Note that driver <-> port matching is still done by kgameportd. Signed-off-by: Dmitry Torokhov --- drivers/input/gameport/gameport.c | 88 +++++++++++++++++++++++-------- include/linux/gameport.h | 7 +-- 2 files changed, 71 insertions(+), 24 deletions(-) diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index 078e4eed0894..2880eaae157a 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -231,6 +231,7 @@ static void gameport_find_driver(struct gameport *gameport) enum gameport_event_type { GAMEPORT_REGISTER_PORT, GAMEPORT_REGISTER_DRIVER, + GAMEPORT_ATTACH_DRIVER, }; struct gameport_event { @@ -245,11 +246,12 @@ static LIST_HEAD(gameport_event_list); static DECLARE_WAIT_QUEUE_HEAD(gameport_wait); static struct task_struct *gameport_task; -static void gameport_queue_event(void *object, struct module *owner, - enum gameport_event_type event_type) +static int gameport_queue_event(void *object, struct module *owner, + enum gameport_event_type event_type) { unsigned long flags; struct gameport_event *event; + int retval = 0; spin_lock_irqsave(&gameport_event_lock, flags); @@ -268,24 +270,34 @@ static void gameport_queue_event(void *object, struct module *owner, } } - if ((event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC))) { - if (!try_module_get(owner)) { - printk(KERN_WARNING "gameport: Can't get module reference, dropping event %d\n", event_type); - kfree(event); - goto out; - } - - event->type = event_type; - event->object = object; - event->owner = owner; + event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC); + if (!event) { + printk(KERN_ERR + "gameport: Not enough memory to queue event %d\n", + event_type); + retval = -ENOMEM; + goto out; + } - list_add_tail(&event->node, &gameport_event_list); - wake_up(&gameport_wait); - } else { - printk(KERN_ERR "gameport: Not enough memory to queue event %d\n", event_type); + if (!try_module_get(owner)) { + printk(KERN_WARNING + "gameport: Can't get module reference, dropping event %d\n", + event_type); + kfree(event); + retval = -EINVAL; + goto out; } + + event->type = event_type; + event->object = object; + event->owner = owner; + + list_add_tail(&event->node, &gameport_event_list); + wake_up(&gameport_wait); + out: spin_unlock_irqrestore(&gameport_event_lock, flags); + return retval; } static void gameport_free_event(struct gameport_event *event) @@ -378,9 +390,10 @@ static void gameport_handle_event(void) } /* - * Remove all events that have been submitted for a given gameport port. + * Remove all events that have been submitted for a given object, + * be it a gameport port or a driver. */ -static void gameport_remove_pending_events(struct gameport *gameport) +static void gameport_remove_pending_events(void *object) { struct list_head *node, *next; struct gameport_event *event; @@ -390,7 +403,7 @@ static void gameport_remove_pending_events(struct gameport *gameport) list_for_each_safe(node, next, &gameport_event_list) { event = list_entry(node, struct gameport_event, node); - if (event->object == gameport) { + if (event->object == object) { list_del_init(node); gameport_free_event(event); } @@ -705,10 +718,40 @@ static void gameport_add_driver(struct gameport_driver *drv) drv->driver.name, error); } -void __gameport_register_driver(struct gameport_driver *drv, struct module *owner) +int __gameport_register_driver(struct gameport_driver *drv, struct module *owner, + const char *mod_name) { + int error; + drv->driver.bus = &gameport_bus; - gameport_queue_event(drv, owner, GAMEPORT_REGISTER_DRIVER); + drv->driver.owner = owner; + drv->driver.mod_name = mod_name; + + /* + * Temporarily disable automatic binding because probing + * takes long time and we are better off doing it in kgameportd + */ + drv->ignore = 1; + + error = driver_register(&drv->driver); + if (error) { + printk(KERN_ERR + "gameport: driver_register() failed for %s, error: %d\n", + drv->driver.name, error); + return error; + } + + /* + * Reset ignore flag and let kgameportd bind the driver to free ports + */ + drv->ignore = 0; + error = gameport_queue_event(drv, NULL, GAMEPORT_ATTACH_DRIVER); + if (error) { + driver_unregister(&drv->driver); + return error; + } + + return 0; } void gameport_unregister_driver(struct gameport_driver *drv) @@ -716,7 +759,9 @@ void gameport_unregister_driver(struct gameport_driver *drv) struct gameport *gameport; mutex_lock(&gameport_mutex); + drv->ignore = 1; /* so gameport_find_driver ignores it */ + gameport_remove_pending_events(drv); start_over: list_for_each_entry(gameport, &gameport_list, node) { @@ -729,6 +774,7 @@ start_over: } driver_unregister(&drv->driver); + mutex_unlock(&gameport_mutex); } diff --git a/include/linux/gameport.h b/include/linux/gameport.h index f64e29c0ef3f..5126125afd4e 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -146,10 +146,11 @@ static inline void gameport_unpin_driver(struct gameport *gameport) mutex_unlock(&gameport->drv_mutex); } -void __gameport_register_driver(struct gameport_driver *drv, struct module *owner); -static inline void gameport_register_driver(struct gameport_driver *drv) +int __gameport_register_driver(struct gameport_driver *drv, + struct module *owner, const char *mod_name); +static inline int gameport_register_driver(struct gameport_driver *drv) { - __gameport_register_driver(drv, THIS_MODULE); + return __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME); } void gameport_unregister_driver(struct gameport_driver *drv); -- GitLab From 2547203d583cc267b98f518d5d93e3a0469d8f62 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 6 Jun 2008 01:33:37 -0400 Subject: [PATCH 0202/6244] Input: gameport - check return value of gameport_register_driver() Signed-off-by: Dmitry Torokhov --- drivers/input/joystick/a3d.c | 3 +-- drivers/input/joystick/adi.c | 3 +-- drivers/input/joystick/analog.c | 4 +--- drivers/input/joystick/cobra.c | 3 +-- drivers/input/joystick/gf2k.c | 3 +-- drivers/input/joystick/grip.c | 3 +-- drivers/input/joystick/grip_mp.c | 3 +-- drivers/input/joystick/guillemot.c | 3 +-- drivers/input/joystick/interact.c | 3 +-- drivers/input/joystick/joydump.c | 3 +-- drivers/input/joystick/sidewinder.c | 3 +-- drivers/input/joystick/tmdc.c | 3 +-- 12 files changed, 12 insertions(+), 25 deletions(-) diff --git a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c index 92498d470b1f..6489f4010c4f 100644 --- a/drivers/input/joystick/a3d.c +++ b/drivers/input/joystick/a3d.c @@ -414,8 +414,7 @@ static struct gameport_driver a3d_drv = { static int __init a3d_init(void) { - gameport_register_driver(&a3d_drv); - return 0; + return gameport_register_driver(&a3d_drv); } static void __exit a3d_exit(void) diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c index d1ca8a14950f..89c4c084d4ad 100644 --- a/drivers/input/joystick/adi.c +++ b/drivers/input/joystick/adi.c @@ -572,8 +572,7 @@ static struct gameport_driver adi_drv = { static int __init adi_init(void) { - gameport_register_driver(&adi_drv); - return 0; + return gameport_register_driver(&adi_drv); } static void __exit adi_exit(void) diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c index 708c5ae13b24..356b3a25efa2 100644 --- a/drivers/input/joystick/analog.c +++ b/drivers/input/joystick/analog.c @@ -761,9 +761,7 @@ static struct gameport_driver analog_drv = { static int __init analog_init(void) { analog_parse_options(); - gameport_register_driver(&analog_drv); - - return 0; + return gameport_register_driver(&analog_drv); } static void __exit analog_exit(void) diff --git a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c index 639b975a8ed7..3497b87c3d05 100644 --- a/drivers/input/joystick/cobra.c +++ b/drivers/input/joystick/cobra.c @@ -263,8 +263,7 @@ static struct gameport_driver cobra_drv = { static int __init cobra_init(void) { - gameport_register_driver(&cobra_drv); - return 0; + return gameport_register_driver(&cobra_drv); } static void __exit cobra_exit(void) diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c index cb6eef1f2d99..67c207f5b1a1 100644 --- a/drivers/input/joystick/gf2k.c +++ b/drivers/input/joystick/gf2k.c @@ -375,8 +375,7 @@ static struct gameport_driver gf2k_drv = { static int __init gf2k_init(void) { - gameport_register_driver(&gf2k_drv); - return 0; + return gameport_register_driver(&gf2k_drv); } static void __exit gf2k_exit(void) diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c index 684e07cfccc8..fc55899ba6c5 100644 --- a/drivers/input/joystick/grip.c +++ b/drivers/input/joystick/grip.c @@ -426,8 +426,7 @@ static struct gameport_driver grip_drv = { static int __init grip_init(void) { - gameport_register_driver(&grip_drv); - return 0; + return gameport_register_driver(&grip_drv); } static void __exit grip_exit(void) diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c index 8279481b16e7..2d47baf47769 100644 --- a/drivers/input/joystick/grip_mp.c +++ b/drivers/input/joystick/grip_mp.c @@ -689,8 +689,7 @@ static struct gameport_driver grip_drv = { static int __init grip_init(void) { - gameport_register_driver(&grip_drv); - return 0; + return gameport_register_driver(&grip_drv); } static void __exit grip_exit(void) diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c index 25ec3fad9f27..4058d4b272fe 100644 --- a/drivers/input/joystick/guillemot.c +++ b/drivers/input/joystick/guillemot.c @@ -283,8 +283,7 @@ static struct gameport_driver guillemot_drv = { static int __init guillemot_init(void) { - gameport_register_driver(&guillemot_drv); - return 0; + return gameport_register_driver(&guillemot_drv); } static void __exit guillemot_exit(void) diff --git a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c index 8c3290b68205..2478289aeeea 100644 --- a/drivers/input/joystick/interact.c +++ b/drivers/input/joystick/interact.c @@ -317,8 +317,7 @@ static struct gameport_driver interact_drv = { static int __init interact_init(void) { - gameport_register_driver(&interact_drv); - return 0; + return gameport_register_driver(&interact_drv); } static void __exit interact_exit(void) diff --git a/drivers/input/joystick/joydump.c b/drivers/input/joystick/joydump.c index 2a1b82c8b31c..cd894a0564a2 100644 --- a/drivers/input/joystick/joydump.c +++ b/drivers/input/joystick/joydump.c @@ -161,8 +161,7 @@ static struct gameport_driver joydump_drv = { static int __init joydump_init(void) { - gameport_register_driver(&joydump_drv); - return 0; + return gameport_register_driver(&joydump_drv); } static void __exit joydump_exit(void) diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c index 7b4865fdee54..ca13a6bec33e 100644 --- a/drivers/input/joystick/sidewinder.c +++ b/drivers/input/joystick/sidewinder.c @@ -818,8 +818,7 @@ static struct gameport_driver sw_drv = { static int __init sw_init(void) { - gameport_register_driver(&sw_drv); - return 0; + return gameport_register_driver(&sw_drv); } static void __exit sw_exit(void) diff --git a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c index 60c37bcb938d..d6c609807115 100644 --- a/drivers/input/joystick/tmdc.c +++ b/drivers/input/joystick/tmdc.c @@ -438,8 +438,7 @@ static struct gameport_driver tmdc_drv = { static int __init tmdc_init(void) { - gameport_register_driver(&tmdc_drv); - return 0; + return gameport_register_driver(&tmdc_drv); } static void __exit tmdc_exit(void) -- GitLab From 8c4b3c29329eb7ffded3023e6d65bc415cb4e215 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 6 Jun 2008 01:33:51 -0400 Subject: [PATCH 0203/6244] Input: gameport - mark gameport_register_driver() __must_check Signed-off-by: Dmitry Torokhov --- include/linux/gameport.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/gameport.h b/include/linux/gameport.h index 5126125afd4e..0cd825f7363a 100644 --- a/include/linux/gameport.h +++ b/include/linux/gameport.h @@ -148,7 +148,7 @@ static inline void gameport_unpin_driver(struct gameport *gameport) int __gameport_register_driver(struct gameport_driver *drv, struct module *owner, const char *mod_name); -static inline int gameport_register_driver(struct gameport_driver *drv) +static inline int __must_check gameport_register_driver(struct gameport_driver *drv) { return __gameport_register_driver(drv, THIS_MODULE, KBUILD_MODNAME); } -- GitLab From 1971b9d56fce9d8903e623b953c5e2fffe3a878e Mon Sep 17 00:00:00 2001 From: Ville Syrjala Date: Thu, 3 Jul 2008 10:45:37 -0400 Subject: [PATCH 0204/6244] Input: ati_remote2 - add loadable keymap support Support for loadable keymaps. The driver now supports individual keymaps for each of the five modes (AUX1-AUX4 and PC) of the remote. To achieve this the keymap scancode is interpreted as a combination of the mode and actual button scancode. The original keycode patches were done by Peter Stokes but I modified it quite a lot. Signed-off-by: Ville Syrjala Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ati_remote2.c | 130 ++++++++++++++++++++++++------- 1 file changed, 101 insertions(+), 29 deletions(-) diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c index a7fabafbd94c..f4918b9bb949 100644 --- a/drivers/input/misc/ati_remote2.c +++ b/drivers/input/misc/ati_remote2.c @@ -1,8 +1,8 @@ /* * ati_remote2 - ATI/Philips USB RF remote driver * - * Copyright (C) 2005 Ville Syrjala - * Copyright (C) 2007 Peter Stokes + * Copyright (C) 2005-2008 Ville Syrjala + * Copyright (C) 2007-2008 Peter Stokes * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 @@ -12,7 +12,7 @@ #include #define DRIVER_DESC "ATI/Philips USB RF remote driver" -#define DRIVER_VERSION "0.2" +#define DRIVER_VERSION "0.3" MODULE_DESCRIPTION(DRIVER_DESC); MODULE_VERSION(DRIVER_VERSION); @@ -27,7 +27,7 @@ MODULE_LICENSE("GPL"); * A remote's "channel" may be altered by pressing and holding the "PC" button for * approximately 3 seconds, after which the button will slowly flash the count of the * currently configured "channel", using the numeric keypad enter a number between 1 and - * 16 and then the "PC" button again, the button will slowly flash the count of the + * 16 and then press the "PC" button again, the button will slowly flash the count of the * newly configured "channel". */ @@ -45,9 +45,18 @@ static struct usb_device_id ati_remote2_id_table[] = { }; MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); -static struct { - int hw_code; - int key_code; +enum { + ATI_REMOTE2_AUX1, + ATI_REMOTE2_AUX2, + ATI_REMOTE2_AUX3, + ATI_REMOTE2_AUX4, + ATI_REMOTE2_PC, + ATI_REMOTE2_MODES, +}; + +static const struct { + u8 hw_code; + u16 keycode; } ati_remote2_key_table[] = { { 0x00, KEY_0 }, { 0x01, KEY_1 }, @@ -73,6 +82,7 @@ static struct { { 0x37, KEY_RECORD }, { 0x38, KEY_DVD }, { 0x39, KEY_TV }, + { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */ { 0x54, KEY_MENU }, { 0x58, KEY_UP }, { 0x59, KEY_DOWN }, @@ -91,15 +101,9 @@ static struct { { 0xa9, BTN_LEFT }, { 0xaa, BTN_RIGHT }, { 0xbe, KEY_QUESTION }, - { 0xd5, KEY_FRONT }, { 0xd0, KEY_EDIT }, + { 0xd5, KEY_FRONT }, { 0xf9, KEY_INFO }, - { (0x00 << 8) | 0x3f, KEY_PROG1 }, - { (0x01 << 8) | 0x3f, KEY_PROG2 }, - { (0x02 << 8) | 0x3f, KEY_PROG3 }, - { (0x03 << 8) | 0x3f, KEY_PROG4 }, - { (0x04 << 8) | 0x3f, KEY_PC }, - { 0, KEY_RESERVED } }; struct ati_remote2 { @@ -117,6 +121,9 @@ struct ati_remote2 { char name[64]; char phys[64]; + + /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ + u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; }; static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); @@ -172,7 +179,7 @@ static void ati_remote2_input_mouse(struct ati_remote2 *ar2) mode = data[0] & 0x0F; - if (mode > 4) { + if (mode > ATI_REMOTE2_PC) { dev_err(&ar2->intf[0]->dev, "Unknown mode byte (%02x %02x %02x %02x)\n", data[3], data[2], data[1], data[0]); @@ -191,7 +198,7 @@ static int ati_remote2_lookup(unsigned int hw_code) { int i; - for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) + for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++) if (ati_remote2_key_table[i].hw_code == hw_code) return i; @@ -211,7 +218,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2) mode = data[0] & 0x0F; - if (mode > 4) { + if (mode > ATI_REMOTE2_PC) { dev_err(&ar2->intf[1]->dev, "Unknown mode byte (%02x %02x %02x %02x)\n", data[3], data[2], data[1], data[0]); @@ -219,10 +226,6 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2) } hw_code = data[2]; - /* - * Mode keys (AUX1-AUX4, PC) all generate the same code byte. - * Use the mode byte to figure out which one was pressed. - */ if (hw_code == 0x3f) { /* * For some incomprehensible reason the mouse pad generates @@ -236,8 +239,6 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2) if (data[1] == 0) ar2->mode = mode; - - hw_code |= mode << 8; } if (!((1 << mode) & mode_mask)) @@ -260,8 +261,8 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2) case 2: /* repeat */ /* No repeat for mouse buttons. */ - if (ati_remote2_key_table[index].key_code == BTN_LEFT || - ati_remote2_key_table[index].key_code == BTN_RIGHT) + if (ar2->keycode[mode][index] == BTN_LEFT || + ar2->keycode[mode][index] == BTN_RIGHT) return; if (!time_after_eq(jiffies, ar2->jiffies)) @@ -276,7 +277,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2) return; } - input_event(idev, EV_KEY, ati_remote2_key_table[index].key_code, data[1]); + input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]); input_sync(idev); } @@ -334,10 +335,60 @@ static void ati_remote2_complete_key(struct urb *urb) "%s(): usb_submit_urb() = %d\n", __func__, r); } +static int ati_remote2_getkeycode(struct input_dev *idev, + int scancode, int *keycode) +{ + struct ati_remote2 *ar2 = input_get_drvdata(idev); + int index, mode; + + mode = scancode >> 8; + if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) + return -EINVAL; + + index = ati_remote2_lookup(scancode & 0xFF); + if (index < 0) + return -EINVAL; + + *keycode = ar2->keycode[mode][index]; + return 0; +} + +static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode) +{ + struct ati_remote2 *ar2 = input_get_drvdata(idev); + int index, mode, old_keycode; + + mode = scancode >> 8; + if (mode > ATI_REMOTE2_PC || !((1 << mode) & mode_mask)) + return -EINVAL; + + index = ati_remote2_lookup(scancode & 0xFF); + if (index < 0) + return -EINVAL; + + if (keycode < KEY_RESERVED || keycode > KEY_MAX) + return -EINVAL; + + old_keycode = ar2->keycode[mode][index]; + ar2->keycode[mode][index] = keycode; + set_bit(keycode, idev->keybit); + + for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { + for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { + if (ar2->keycode[mode][index] == old_keycode) + return 0; + } + } + + clear_bit(old_keycode, idev->keybit); + + return 0; +} + static int ati_remote2_input_init(struct ati_remote2 *ar2) { struct input_dev *idev; - int i, retval; + int index, mode, retval; idev = input_allocate_device(); if (!idev) @@ -350,8 +401,26 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2) idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT); idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); - for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++) - set_bit(ati_remote2_key_table[i].key_code, idev->keybit); + + for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) { + for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) { + ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode; + set_bit(ar2->keycode[mode][index], idev->keybit); + } + } + + /* AUX1-AUX4 and PC generate the same scancode. */ + index = ati_remote2_lookup(0x3f); + ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1; + ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2; + ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3; + ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4; + ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC; + set_bit(KEY_PROG1, idev->keybit); + set_bit(KEY_PROG2, idev->keybit); + set_bit(KEY_PROG3, idev->keybit); + set_bit(KEY_PROG4, idev->keybit); + set_bit(KEY_PC, idev->keybit); idev->rep[REP_DELAY] = 250; idev->rep[REP_PERIOD] = 33; @@ -359,6 +428,9 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2) idev->open = ati_remote2_open; idev->close = ati_remote2_close; + idev->getkeycode = ati_remote2_getkeycode; + idev->setkeycode = ati_remote2_setkeycode; + idev->name = ar2->name; idev->phys = ar2->phys; -- GitLab From d6505ab9cd5672f99adeba86696499c2651a6e73 Mon Sep 17 00:00:00 2001 From: Ville Syrjala Date: Thu, 3 Jul 2008 10:45:37 -0400 Subject: [PATCH 0205/6244] Input: ati_remote2 - add autosuspend support Signed-off-by: Ville Syrjala Signed-off-by: Dmitry Torokhov --- drivers/input/misc/ati_remote2.c | 133 +++++++++++++++++++++++++++++-- 1 file changed, 127 insertions(+), 6 deletions(-) diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c index f4918b9bb949..3c9988dc0e9f 100644 --- a/drivers/input/misc/ati_remote2.c +++ b/drivers/input/misc/ati_remote2.c @@ -45,6 +45,13 @@ static struct usb_device_id ati_remote2_id_table[] = { }; MODULE_DEVICE_TABLE(usb, ati_remote2_id_table); +static DEFINE_MUTEX(ati_remote2_mutex); + +enum { + ATI_REMOTE2_OPENED = 0x1, + ATI_REMOTE2_SUSPENDED = 0x2, +}; + enum { ATI_REMOTE2_AUX1, ATI_REMOTE2_AUX2, @@ -124,46 +131,103 @@ struct ati_remote2 { /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */ u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)]; + + unsigned int flags; }; static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id); static void ati_remote2_disconnect(struct usb_interface *interface); +static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message); +static int ati_remote2_resume(struct usb_interface *interface); static struct usb_driver ati_remote2_driver = { .name = "ati_remote2", .probe = ati_remote2_probe, .disconnect = ati_remote2_disconnect, .id_table = ati_remote2_id_table, + .suspend = ati_remote2_suspend, + .resume = ati_remote2_resume, + .supports_autosuspend = 1, }; -static int ati_remote2_open(struct input_dev *idev) +static int ati_remote2_submit_urbs(struct ati_remote2 *ar2) { - struct ati_remote2 *ar2 = input_get_drvdata(idev); int r; r = usb_submit_urb(ar2->urb[0], GFP_KERNEL); if (r) { dev_err(&ar2->intf[0]->dev, - "%s: usb_submit_urb() = %d\n", __func__, r); + "%s(): usb_submit_urb() = %d\n", __func__, r); return r; } r = usb_submit_urb(ar2->urb[1], GFP_KERNEL); if (r) { usb_kill_urb(ar2->urb[0]); dev_err(&ar2->intf[1]->dev, - "%s: usb_submit_urb() = %d\n", __func__, r); + "%s(): usb_submit_urb() = %d\n", __func__, r); return r; } return 0; } +static void ati_remote2_kill_urbs(struct ati_remote2 *ar2) +{ + usb_kill_urb(ar2->urb[1]); + usb_kill_urb(ar2->urb[0]); +} + +static int ati_remote2_open(struct input_dev *idev) +{ + struct ati_remote2 *ar2 = input_get_drvdata(idev); + int r; + + dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); + + r = usb_autopm_get_interface(ar2->intf[0]); + if (r) { + dev_err(&ar2->intf[0]->dev, + "%s(): usb_autopm_get_interface() = %d\n", __func__, r); + goto fail1; + } + + mutex_lock(&ati_remote2_mutex); + + if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) { + r = ati_remote2_submit_urbs(ar2); + if (r) + goto fail2; + } + + ar2->flags |= ATI_REMOTE2_OPENED; + + mutex_unlock(&ati_remote2_mutex); + + usb_autopm_put_interface(ar2->intf[0]); + + return 0; + + fail2: + mutex_unlock(&ati_remote2_mutex); + usb_autopm_put_interface(ar2->intf[0]); + fail1: + return r; +} + static void ati_remote2_close(struct input_dev *idev) { struct ati_remote2 *ar2 = input_get_drvdata(idev); - usb_kill_urb(ar2->urb[0]); - usb_kill_urb(ar2->urb[1]); + dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); + + mutex_lock(&ati_remote2_mutex); + + if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) + ati_remote2_kill_urbs(ar2); + + ar2->flags &= ~ATI_REMOTE2_OPENED; + + mutex_unlock(&ati_remote2_mutex); } static void ati_remote2_input_mouse(struct ati_remote2 *ar2) @@ -288,6 +352,7 @@ static void ati_remote2_complete_mouse(struct urb *urb) switch (urb->status) { case 0: + usb_mark_last_busy(ar2->udev); ati_remote2_input_mouse(ar2); break; case -ENOENT: @@ -298,6 +363,7 @@ static void ati_remote2_complete_mouse(struct urb *urb) "%s(): urb status = %d\n", __func__, urb->status); return; default: + usb_mark_last_busy(ar2->udev); dev_err(&ar2->intf[0]->dev, "%s(): urb status = %d\n", __func__, urb->status); } @@ -315,6 +381,7 @@ static void ati_remote2_complete_key(struct urb *urb) switch (urb->status) { case 0: + usb_mark_last_busy(ar2->udev); ati_remote2_input_key(ar2); break; case -ENOENT: @@ -325,6 +392,7 @@ static void ati_remote2_complete_key(struct urb *urb) "%s(): urb status = %d\n", __func__, urb->status); return; default: + usb_mark_last_busy(ar2->udev); dev_err(&ar2->intf[1]->dev, "%s(): urb status = %d\n", __func__, urb->status); } @@ -562,6 +630,8 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d usb_set_intfdata(interface, ar2); + interface->needs_remote_wakeup = 1; + return 0; fail2: @@ -594,6 +664,57 @@ static void ati_remote2_disconnect(struct usb_interface *interface) kfree(ar2); } +static int ati_remote2_suspend(struct usb_interface *interface, + pm_message_t message) +{ + struct ati_remote2 *ar2; + struct usb_host_interface *alt = interface->cur_altsetting; + + if (alt->desc.bInterfaceNumber) + return 0; + + ar2 = usb_get_intfdata(interface); + + dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); + + mutex_lock(&ati_remote2_mutex); + + if (ar2->flags & ATI_REMOTE2_OPENED) + ati_remote2_kill_urbs(ar2); + + ar2->flags |= ATI_REMOTE2_SUSPENDED; + + mutex_unlock(&ati_remote2_mutex); + + return 0; +} + +static int ati_remote2_resume(struct usb_interface *interface) +{ + struct ati_remote2 *ar2; + struct usb_host_interface *alt = interface->cur_altsetting; + int r = 0; + + if (alt->desc.bInterfaceNumber) + return 0; + + ar2 = usb_get_intfdata(interface); + + dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__); + + mutex_lock(&ati_remote2_mutex); + + if (ar2->flags & ATI_REMOTE2_OPENED) + r = ati_remote2_submit_urbs(ar2); + + if (!r) + ar2->flags &= ~ATI_REMOTE2_SUSPENDED; + + mutex_unlock(&ati_remote2_mutex); + + return r; +} + static int __init ati_remote2_init(void) { int r; -- GitLab From 03bac96fae0efdb25e2059e5accbe4f3ee6328dd Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Mon, 23 Jun 2008 10:47:34 -0400 Subject: [PATCH 0206/6244] Input: expand keycode space Expand the number of potential key codes from 512 to 768 since people are coming up with more and more keys. Signed-off-by: Dmitry Torokhov --- include/linux/input.h | 2 +- include/linux/mod_devicetable.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/input.h b/include/linux/input.h index a5802c9c81a4..7fae1dee356a 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -579,7 +579,7 @@ struct input_absinfo { /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE -#define KEY_MAX 0x1ff +#define KEY_MAX 0x2ff #define KEY_CNT (KEY_MAX+1) /* diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index c4db5827963d..0dddfa44ec19 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -274,7 +274,7 @@ struct pcmcia_device_id { /* Input */ #define INPUT_DEVICE_ID_EV_MAX 0x1f #define INPUT_DEVICE_ID_KEY_MIN_INTERESTING 0x71 -#define INPUT_DEVICE_ID_KEY_MAX 0x1ff +#define INPUT_DEVICE_ID_KEY_MAX 0x2ff #define INPUT_DEVICE_ID_REL_MAX 0x0f #define INPUT_DEVICE_ID_ABS_MAX 0x3f #define INPUT_DEVICE_ID_MSC_MAX 0x07 -- GitLab From 5a599a15182ed48e5bf54111feb3b21e425e194d Mon Sep 17 00:00:00 2001 From: Aristeu Rozanski Date: Mon, 23 Jun 2008 10:47:53 -0400 Subject: [PATCH 0207/6244] Input: add keycodes for remote controls/phone keypads The new keys are separate from normal numeric keys and standard numeric keypads. The userspace should not attempt to apply modifiers like shift and NumLock to these so tey work properly regardless of the language mapping used. Signed-off-by: Dmitry Torokhov --- include/linux/input.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/input.h b/include/linux/input.h index 7fae1dee356a..b86fb5581ce6 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -577,6 +577,19 @@ struct input_absinfo { #define KEY_BRL_DOT9 0x1f9 #define KEY_BRL_DOT10 0x1fa +#define KEY_NUMERIC_0 0x200 /* used by phones, remote controls, */ +#define KEY_NUMERIC_1 0x201 /* and other keypads */ +#define KEY_NUMERIC_2 0x202 +#define KEY_NUMERIC_3 0x203 +#define KEY_NUMERIC_4 0x204 +#define KEY_NUMERIC_5 0x205 +#define KEY_NUMERIC_6 0x206 +#define KEY_NUMERIC_7 0x207 +#define KEY_NUMERIC_8 0x208 +#define KEY_NUMERIC_9 0x209 +#define KEY_NUMERIC_STAR 0x20a +#define KEY_NUMERIC_POUND 0x20b + /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE #define KEY_MAX 0x2ff -- GitLab From a648bf4632628c787abb0514277f2a231fca39ca Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:18 -0700 Subject: [PATCH 0208/6244] x86, xsave: xsave cpuid feature bits Add xsave CPU feature bits. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/feature_names.c | 2 +- include/asm-x86/cpufeature.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c index 0bf4d37a0483..741547225659 100644 --- a/arch/x86/kernel/cpu/feature_names.c +++ b/arch/x86/kernel/cpu/feature_names.c @@ -46,7 +46,7 @@ const char * const x86_cap_flags[NCAPINTS*32] = { "pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est", "tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL, NULL, NULL, "dca", "sse4_1", "sse4_2", "x2apic", NULL, "popcnt", - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + NULL, NULL, "xsave", NULL, NULL, NULL, NULL, NULL, /* VIA/Cyrix/Centaur-defined */ NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en", diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 42afe9ca3a37..c76b3f67cb3f 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -92,6 +92,7 @@ #define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */ #define X86_FEATURE_DCA (4*32+18) /* Direct Cache Access */ #define X86_FEATURE_X2APIC (4*32+21) /* x2APIC */ +#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE */ /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ #define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */ @@ -191,6 +192,7 @@ extern const char * const x86_power_flags[32]; #define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON) #define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT) #define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC) +#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64) # define cpu_has_invlpg 1 -- GitLab From dc1e35c6e95e8923cf1d3510438b63c600fee1e2 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:19 -0700 Subject: [PATCH 0209/6244] x86, xsave: enable xsave/xrstor on cpus with xsave support Enables xsave/xrstor by turning on cr4.osxsave on cpu's which have the xsave support. For now, features that OS supports/enabled are FP and SSE. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/cpu/common.c | 8 +++ arch/x86/kernel/i387.c | 12 +++++ arch/x86/kernel/traps_32.c | 1 - arch/x86/kernel/traps_64.c | 4 -- arch/x86/kernel/xsave.c | 87 +++++++++++++++++++++++++++++++ include/asm-x86/i387.h | 1 + include/asm-x86/processor-flags.h | 1 + include/asm-x86/processor.h | 12 +++++ include/asm-x86/xsave.h | 26 +++++++++ 10 files changed, 148 insertions(+), 6 deletions(-) create mode 100644 arch/x86/kernel/xsave.c create mode 100644 include/asm-x86/xsave.h diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index a07ec14f3312..d6ea91abaebc 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -38,7 +38,7 @@ obj-y += tsc.o io_delay.o rtc.o obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o obj-y += process.o -obj-y += i387.o +obj-y += i387.o xsave.o obj-y += ptrace.o obj-y += ds.o obj-$(CONFIG_X86_32) += tls.o diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 80ab20d4fa39..fabbcb7020fb 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -712,6 +712,14 @@ void __cpuinit cpu_init(void) current_thread_info()->status = 0; clear_used_math(); mxcsr_feature_mask_init(); + + /* + * Boot processor to setup the FP and extended state context info. + */ + if (!smp_processor_id()) + init_thread_xstate(); + + xsave_init(); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index eb9ddd8efb82..e22a9a9dce8a 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -61,6 +61,11 @@ void __init init_thread_xstate(void) return; } + if (cpu_has_xsave) { + xsave_cntxt_init(); + return; + } + if (cpu_has_fxsr) xstate_size = sizeof(struct i387_fxsave_struct); #ifdef CONFIG_X86_32 @@ -83,6 +88,13 @@ void __cpuinit fpu_init(void) write_cr0(oldcr0 & ~(X86_CR0_TS|X86_CR0_EM)); /* clear TS and EM */ + /* + * Boot processor to setup the FP and extended state context info. + */ + if (!smp_processor_id()) + init_thread_xstate(); + xsave_init(); + mxcsr_feature_mask_init(); /* clean state in init */ current_thread_info()->status = 0; diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 03df8e45e5a1..da5a5964fccb 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1228,7 +1228,6 @@ void __init trap_init(void) set_bit(SYSCALL_VECTOR, used_vectors); - init_thread_xstate(); /* * Should be a barrier for any external CPU state: */ diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 513caaca7115..3580a7938a2e 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -1172,10 +1172,6 @@ void __init trap_init(void) #ifdef CONFIG_IA32_EMULATION set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall); #endif - /* - * initialize the per thread extended state: - */ - init_thread_xstate(); /* * Should be a barrier for any external CPU state: */ diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c new file mode 100644 index 000000000000..c68b7c4ca249 --- /dev/null +++ b/arch/x86/kernel/xsave.c @@ -0,0 +1,87 @@ +/* + * xsave/xrstor support. + * + * Author: Suresh Siddha + */ +#include +#include +#include + +/* + * Supported feature mask by the CPU and the kernel. + */ +unsigned int pcntxt_hmask, pcntxt_lmask; + +/* + * Represents init state for the supported extended state. + */ +struct xsave_struct *init_xstate_buf; + +/* + * Enable the extended processor state save/restore feature + */ +void __cpuinit xsave_init(void) +{ + if (!cpu_has_xsave) + return; + + set_in_cr4(X86_CR4_OSXSAVE); + + /* + * Enable all the features that the HW is capable of + * and the Linux kernel is aware of. + * + * xsetbv(); + */ + asm volatile(".byte 0x0f,0x01,0xd1" : : "c" (0), + "a" (pcntxt_lmask), "d" (pcntxt_hmask)); +} + +/* + * setup the xstate image representing the init state + */ +void setup_xstate_init(void) +{ + init_xstate_buf = alloc_bootmem(xstate_size); + init_xstate_buf->i387.mxcsr = MXCSR_DEFAULT; +} + +/* + * Enable and initialize the xsave feature. + */ +void __init xsave_cntxt_init(void) +{ + unsigned int eax, ebx, ecx, edx; + + cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); + + pcntxt_lmask = eax; + pcntxt_hmask = edx; + + if ((pcntxt_lmask & XSTATE_FPSSE) != XSTATE_FPSSE) { + printk(KERN_ERR "FP/SSE not shown under xsave features %x\n", + pcntxt_lmask); + BUG(); + } + + /* + * for now OS knows only about FP/SSE + */ + pcntxt_lmask = pcntxt_lmask & XCNTXT_LMASK; + pcntxt_hmask = pcntxt_hmask & XCNTXT_HMASK; + + xsave_init(); + + /* + * Recompute the context size for enabled features + */ + cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); + + xstate_size = ebx; + + setup_xstate_init(); + + printk(KERN_INFO "xsave/xrstor: enabled xstate_bv 0x%Lx, " + "cntxt size 0x%x\n", + (pcntxt_lmask | ((u64) pcntxt_hmask << 32)), xstate_size); +} diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 3958de6aad0e..6a6647896670 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -18,6 +18,7 @@ #include #include #include +#include extern void fpu_init(void); extern void mxcsr_feature_mask_init(void); diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h index 5dd79774f693..dc5f0712f9fa 100644 --- a/include/asm-x86/processor-flags.h +++ b/include/asm-x86/processor-flags.h @@ -59,6 +59,7 @@ #define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */ #define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */ #define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */ +#define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */ /* * x86-64 Task Priority Register, CR8 diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index d60b4d81febe..d7c0221c0278 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -346,6 +346,18 @@ struct i387_soft_struct { u32 entry_eip; }; +struct xsave_hdr_struct { + u64 xstate_bv; + u64 reserved1[2]; + u64 reserved2[5]; +} __attribute__((packed)); + +struct xsave_struct { + struct i387_fxsave_struct i387; + struct xsave_hdr_struct xsave_hdr; + /* new processor state extensions will go here */ +} __attribute__ ((packed, aligned (64))); + union thread_xstate { struct i387_fsave_struct fsave; struct i387_fxsave_struct fxsave; diff --git a/include/asm-x86/xsave.h b/include/asm-x86/xsave.h new file mode 100644 index 000000000000..6d70e62c6bdc --- /dev/null +++ b/include/asm-x86/xsave.h @@ -0,0 +1,26 @@ +#ifndef __ASM_X86_XSAVE_H +#define __ASM_X86_XSAVE_H + +#include +#include + +#define XSTATE_FP 0x1 +#define XSTATE_SSE 0x2 + +#define XSTATE_FPSSE (XSTATE_FP | XSTATE_SSE) + +#define FXSAVE_SIZE 512 + +/* + * These are the features that the OS can handle currently. + */ +#define XCNTXT_LMASK (XSTATE_FP | XSTATE_SSE) +#define XCNTXT_HMASK 0x0 + +extern unsigned int xstate_size, pcntxt_hmask, pcntxt_lmask; +extern struct xsave_struct *init_xstate_buf; + +extern void xsave_cntxt_init(void); +extern void xsave_init(void); + +#endif -- GitLab From b359e8a434cc3d09847010fc4aeccf48d69740e4 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:20 -0700 Subject: [PATCH 0210/6244] x86, xsave: context switch support using xsave/xrstor Uses xsave/xrstor (instead of traditional fxsave/fxrstor) in context switch when available. Introduces TS_XSAVE flag, which determine the need to use xsave/xrstor instructions during context switch instead of the legacy fxsave/fxrstor instructions. Thread-synchronous status word is already in L1 cache during this code patch and thus minimizes the performance penality compared to (cpu_has_xsave) checks. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 5 ++- arch/x86/kernel/i387.c | 5 ++- arch/x86/kernel/traps_64.c | 2 +- include/asm-x86/i387.h | 64 ++++++++++++++++++++++++++++++++--- include/asm-x86/processor.h | 1 + include/asm-x86/thread_info.h | 1 + include/asm-x86/xsave.h | 35 ++++++++++++++++++- 7 files changed, 104 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index fabbcb7020fb..6c2b9e756db2 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -709,7 +709,10 @@ void __cpuinit cpu_init(void) /* * Force FPU initialization: */ - current_thread_info()->status = 0; + if (cpu_has_xsave) + current_thread_info()->status = TS_XSAVE; + else + current_thread_info()->status = 0; clear_used_math(); mxcsr_feature_mask_init(); diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index e22a9a9dce8a..b778e17e4b01 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -97,7 +97,10 @@ void __cpuinit fpu_init(void) mxcsr_feature_mask_init(); /* clean state in init */ - current_thread_info()->status = 0; + if (cpu_has_xsave) + current_thread_info()->status = TS_XSAVE; + else + current_thread_info()->status = 0; clear_used_math(); } #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 3580a7938a2e..38eb76156a47 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -1134,7 +1134,7 @@ asmlinkage void math_state_restore(void) /* * Paranoid restore. send a SIGSEGV if we fail to restore the state. */ - if (unlikely(restore_fpu_checking(&me->thread.xstate->fxsave))) { + if (unlikely(restore_fpu_checking(me))) { stts(); force_sig(SIGSEGV, me); return; diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 6a6647896670..a6d256f4ac81 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -36,6 +36,8 @@ extern int save_i387_ia32(struct _fpstate_ia32 __user *buf); extern int restore_i387_ia32(struct _fpstate_ia32 __user *buf); #endif +#define X87_FSW_ES (1 << 7) /* Exception Summary */ + #ifdef CONFIG_X86_64 /* Ignore delayed exceptions from user space */ @@ -46,7 +48,7 @@ static inline void tolerant_fwait(void) _ASM_EXTABLE(1b, 2b)); } -static inline int restore_fpu_checking(struct i387_fxsave_struct *fx) +static inline int fxrstor_checking(struct i387_fxsave_struct *fx) { int err; @@ -66,15 +68,31 @@ static inline int restore_fpu_checking(struct i387_fxsave_struct *fx) return err; } -#define X87_FSW_ES (1 << 7) /* Exception Summary */ +static inline int restore_fpu_checking(struct task_struct *tsk) +{ + if (task_thread_info(tsk)->status & TS_XSAVE) + return xrstor_checking(&tsk->thread.xstate->xsave); + else + return fxrstor_checking(&tsk->thread.xstate->fxsave); +} /* AMD CPUs don't save/restore FDP/FIP/FOP unless an exception is pending. Clear the x87 state here by setting it to fixed values. The kernel data segment can be sometimes 0 and sometimes new user value. Both should be ok. Use the PDA as safe address because it should be already in L1. */ -static inline void clear_fpu_state(struct i387_fxsave_struct *fx) +static inline void clear_fpu_state(struct task_struct *tsk) { + struct xsave_struct *xstate = &tsk->thread.xstate->xsave; + struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; + + /* + * xsave header may indicate the init state of the FP. + */ + if ((task_thread_info(tsk)->status & TS_XSAVE) && + !(xstate->xsave_hdr.xstate_bv & XSTATE_FP)) + return; + if (unlikely(fx->swd & X87_FSW_ES)) asm volatile("fnclex"); alternative_input(ASM_NOP8 ASM_NOP2, @@ -107,7 +125,7 @@ static inline int save_i387_checking(struct i387_fxsave_struct __user *fx) return err; } -static inline void __save_init_fpu(struct task_struct *tsk) +static inline void fxsave(struct task_struct *tsk) { /* Using "rex64; fxsave %0" is broken because, if the memory operand uses any extended registers for addressing, a second REX prefix @@ -132,7 +150,16 @@ static inline void __save_init_fpu(struct task_struct *tsk) : "=m" (tsk->thread.xstate->fxsave) : "cdaSDb" (&tsk->thread.xstate->fxsave)); #endif - clear_fpu_state(&tsk->thread.xstate->fxsave); +} + +static inline void __save_init_fpu(struct task_struct *tsk) +{ + if (task_thread_info(tsk)->status & TS_XSAVE) + xsave(tsk); + else + fxsave(tsk); + + clear_fpu_state(tsk); task_thread_info(tsk)->status &= ~TS_USEDFPU; } @@ -147,6 +174,10 @@ static inline void tolerant_fwait(void) static inline void restore_fpu(struct task_struct *tsk) { + if (task_thread_info(tsk)->status & TS_XSAVE) { + xrstor_checking(&tsk->thread.xstate->xsave); + return; + } /* * The "nop" is needed to make the instructions the same * length. @@ -172,6 +203,27 @@ static inline void restore_fpu(struct task_struct *tsk) */ static inline void __save_init_fpu(struct task_struct *tsk) { + if (task_thread_info(tsk)->status & TS_XSAVE) { + struct xsave_struct *xstate = &tsk->thread.xstate->xsave; + struct i387_fxsave_struct *fx = &tsk->thread.xstate->fxsave; + + xsave(tsk); + + /* + * xsave header may indicate the init state of the FP. + */ + if (!(xstate->xsave_hdr.xstate_bv & XSTATE_FP)) + goto end; + + if (unlikely(fx->swd & X87_FSW_ES)) + asm volatile("fnclex"); + + /* + * we can do a simple return here or be paranoid :) + */ + goto clear_state; + } + /* Use more nops than strictly needed in case the compiler varies code */ alternative_input( @@ -181,6 +233,7 @@ static inline void __save_init_fpu(struct task_struct *tsk) X86_FEATURE_FXSR, [fx] "m" (tsk->thread.xstate->fxsave), [fsw] "m" (tsk->thread.xstate->fxsave.swd) : "memory"); +clear_state: /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception is pending. Clear the x87 state here by setting it to fixed values. safe_address is a random variable that should be in L1 */ @@ -190,6 +243,7 @@ static inline void __save_init_fpu(struct task_struct *tsk) "fildl %[addr]", /* set F?P to defined value */ X86_FEATURE_FXSAVE_LEAK, [addr] "m" (safe_address)); +end: task_thread_info(tsk)->status &= ~TS_USEDFPU; } diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index d7c0221c0278..77b7af6b573b 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -362,6 +362,7 @@ union thread_xstate { struct i387_fsave_struct fsave; struct i387_fxsave_struct fxsave; struct i387_soft_struct soft; + struct xsave_struct xsave; }; #ifdef CONFIG_X86_64 diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h index e64be8863b76..30586f2ee558 100644 --- a/include/asm-x86/thread_info.h +++ b/include/asm-x86/thread_info.h @@ -239,6 +239,7 @@ static inline struct thread_info *stack_thread_info(void) #define TS_POLLING 0x0004 /* true if in idle loop and not sleeping */ #define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ +#define TS_XSAVE 0x0010 /* Use xsave/xrstor */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) diff --git a/include/asm-x86/xsave.h b/include/asm-x86/xsave.h index 6d70e62c6bdc..e835a917ee19 100644 --- a/include/asm-x86/xsave.h +++ b/include/asm-x86/xsave.h @@ -17,10 +17,43 @@ #define XCNTXT_LMASK (XSTATE_FP | XSTATE_SSE) #define XCNTXT_HMASK 0x0 +#ifdef CONFIG_X86_64 +#define REX_PREFIX "0x48, " +#else +#define REX_PREFIX +#endif + extern unsigned int xstate_size, pcntxt_hmask, pcntxt_lmask; extern struct xsave_struct *init_xstate_buf; extern void xsave_cntxt_init(void); extern void xsave_init(void); - +extern int init_fpu(struct task_struct *child); + +static inline int xrstor_checking(struct xsave_struct *fx) +{ + int err; + + asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" + "2:\n" + ".section .fixup,\"ax\"\n" + "3: movl $-1,%[err]\n" + " jmp 2b\n" + ".previous\n" + _ASM_EXTABLE(1b, 3b) + : [err] "=r" (err) + : "D" (fx), "m" (*fx), "a" (-1), "d" (-1), "0" (0) + : "memory"); + + return err; +} + +static inline void xsave(struct task_struct *tsk) +{ + /* This, however, we can work around by forcing the compiler to select + an addressing mode that doesn't require extended registers. */ + __asm__ __volatile__(".byte " REX_PREFIX "0x0f,0xae,0x27" + : : "D" (&(tsk->thread.xstate->xsave)), + "a" (-1), "d"(-1) : "memory"); +} #endif -- GitLab From 3c1c7f101426cb2ecc79d817a8a65928965fc860 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:21 -0700 Subject: [PATCH 0211/6244] x86, xsave: dynamically allocate sigframes fpstate instead of static allocation dynamically allocate fpstate on the stack, instead of static allocation in the current sigframe layout on the user stack. This will allow the fpstate structure to grow in the future, which includes extended state information supporting xsave/xrstor. signal handlers will be able to access the fpstate pointer from the sigcontext structure asusual, with no change. For the non RT sigframe's (which are supported only for 32bit apps), current static fpstate layout in the sigframe will be unused(so that we don't change the extramask[] offset in the sigframe and thus prevent breaking app's which modify extramask[]). Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/ia32/ia32_signal.c | 24 ++++++++++++++++-------- arch/x86/kernel/i387.c | 2 ++ arch/x86/kernel/sigframe.h | 14 ++++++++++++-- arch/x86/kernel/signal_32.c | 18 +++++++++++++----- arch/x86/kernel/signal_64.c | 2 +- arch/x86/kernel/xsave.c | 4 ++++ include/asm-x86/i387.h | 2 ++ 7 files changed, 50 insertions(+), 16 deletions(-) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 20af4c79579a..a05bf0fb7415 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -179,9 +179,10 @@ struct sigframe u32 pretcode; int sig; struct sigcontext_ia32 sc; - struct _fpstate_ia32 fpstate; + struct _fpstate_ia32 fpstate_unused; /* look at kernel/sigframe.h */ unsigned int extramask[_COMPAT_NSIG_WORDS-1]; char retcode[8]; + /* fp state follows here */ }; struct rt_sigframe @@ -192,8 +193,8 @@ struct rt_sigframe u32 puc; compat_siginfo_t info; struct ucontext_ia32 uc; - struct _fpstate_ia32 fpstate; char retcode[8]; + /* fp state follows here */ }; #define COPY(x) { \ @@ -402,7 +403,8 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, * Determine which stack to use.. */ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, - size_t frame_size) + size_t frame_size, + struct _fpstate_ia32 **fpstate) { unsigned long sp; @@ -421,6 +423,11 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, ka->sa.sa_restorer) sp = (unsigned long) ka->sa.sa_restorer; + if (used_math()) { + sp = sp - sig_xstate_ia32_size; + *fpstate = (struct _fpstate_ia32 *) sp; + } + sp -= frame_size; /* Align the stack pointer according to the i386 ABI, * i.e. so that on function entry ((sp + 4) & 15) == 0. */ @@ -434,6 +441,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, struct sigframe __user *frame; void __user *restorer; int err = 0; + struct _fpstate_ia32 __user *fpstate = NULL; /* copy_to_user optimizes that into a single 8 byte store */ static const struct { @@ -448,7 +456,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, 0, }; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -457,8 +465,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, if (err) goto give_sigsegv; - err |= ia32_setup_sigcontext(&frame->sc, &frame->fpstate, regs, - set->sig[0]); + err |= ia32_setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]); if (err) goto give_sigsegv; @@ -522,6 +529,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct rt_sigframe __user *frame; void __user *restorer; int err = 0; + struct _fpstate_ia32 __user *fpstate = NULL; /* __copy_to_user optimizes that into a single 8 byte store */ static const struct { @@ -537,7 +545,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 0, }; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -556,7 +564,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(sas_ss_flags(regs->sp), &frame->uc.uc_stack.ss_flags); err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate, + err |= ia32_setup_sigcontext(&frame->uc.uc_mcontext, fpstate, regs, set->sig[0]); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index b778e17e4b01..51fb288a2c97 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -24,6 +24,7 @@ # define save_i387_ia32 save_i387 # define restore_i387_ia32 restore_i387 # define _fpstate_ia32 _fpstate +# define sig_xstate_ia32_size sig_xstate_size # define user_i387_ia32_struct user_i387_struct # define user32_fxsr_struct user_fxsr_struct #endif @@ -36,6 +37,7 @@ static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; unsigned int xstate_size; +unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32); static struct i387_fxsave_struct fx_scratch __cpuinitdata; void __cpuinit mxcsr_feature_mask_init(void) diff --git a/arch/x86/kernel/sigframe.h b/arch/x86/kernel/sigframe.h index 72bbb519d2dc..6dd7e2b70a4b 100644 --- a/arch/x86/kernel/sigframe.h +++ b/arch/x86/kernel/sigframe.h @@ -3,9 +3,18 @@ struct sigframe { char __user *pretcode; int sig; struct sigcontext sc; - struct _fpstate fpstate; + /* + * fpstate is unused. fpstate is moved/allocated after + * retcode[] below. This movement allows to have the FP state and the + * future state extensions (xsave) stay together. + * And at the same time retaining the unused fpstate, prevents changing + * the offset of extramask[] in the sigframe and thus prevent any + * legacy application accessing/modifying it. + */ + struct _fpstate fpstate_unused; unsigned long extramask[_NSIG_WORDS-1]; char retcode[8]; + /* fp state follows here */ }; struct rt_sigframe { @@ -15,13 +24,14 @@ struct rt_sigframe { void __user *puc; struct siginfo info; struct ucontext uc; - struct _fpstate fpstate; char retcode[8]; + /* fp state follows here */ }; #else struct rt_sigframe { char __user *pretcode; struct ucontext uc; struct siginfo info; + /* fp state follows here */ }; #endif diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 6fb5bcdd8933..19a7a5669b5b 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -306,7 +306,8 @@ setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate, * Determine which stack to use.. */ static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) +get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, + struct _fpstate **fpstate) { unsigned long sp; @@ -332,6 +333,11 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) sp = (unsigned long) ka->sa.sa_restorer; } + if (used_math()) { + sp = sp - sig_xstate_size; + *fpstate = (struct _fpstate *) sp; + } + sp -= frame_size; /* * Align the stack pointer according to the i386 ABI, @@ -350,8 +356,9 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, void __user *restorer; int err = 0; int usig; + struct _fpstate __user *fpstate = NULL; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -366,7 +373,7 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, if (err) goto give_sigsegv; - err = setup_sigcontext(&frame->sc, &frame->fpstate, regs, set->sig[0]); + err = setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]); if (err) goto give_sigsegv; @@ -427,8 +434,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, void __user *restorer; int err = 0; int usig; + struct _fpstate __user *fpstate = NULL; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -453,7 +461,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(sas_ss_flags(regs->sp), &frame->uc.uc_stack.ss_flags); err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpstate, + err |= setup_sigcontext(&frame->uc.uc_mcontext, fpstate, regs, set->sig[0]); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index ca316b5b742c..0deab8eff33f 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -281,7 +281,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct task_struct *me = current; if (used_math()) { - fp = get_stack(ka, regs, sizeof(struct _fpstate)); + fp = get_stack(ka, regs, sig_xstate_size); frame = (void __user *)round_down( (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8; diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index c68b7c4ca249..7ad169e33528 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -17,6 +17,10 @@ unsigned int pcntxt_hmask, pcntxt_lmask; */ struct xsave_struct *init_xstate_buf; +#ifdef CONFIG_X86_64 +unsigned int sig_xstate_size = sizeof(struct _fpstate); +#endif + /* * Enable the extended processor state save/restore feature */ diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index a6d256f4ac81..36dca8db1660 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -20,6 +20,7 @@ #include #include +extern unsigned int sig_xstate_size; extern void fpu_init(void); extern void mxcsr_feature_mask_init(void); extern int init_fpu(struct task_struct *child); @@ -31,6 +32,7 @@ extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get; extern user_regset_set_fn fpregs_set, xfpregs_set, fpregs_soft_set; #ifdef CONFIG_IA32_EMULATION +extern unsigned int sig_xstate_ia32_size; struct _fpstate_ia32; extern int save_i387_ia32(struct _fpstate_ia32 __user *buf); extern int restore_i387_ia32(struct _fpstate_ia32 __user *buf); -- GitLab From ab5137015fed9b948fe835a2d99a4cfbd50a0c40 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:22 -0700 Subject: [PATCH 0212/6244] x86, xsave: reorganization of signal save/restore fpstate code layout move 64bit routines that saves/restores fpstate in/from user stack from signal_64.c to xsave.c restore_i387_xstate() now handles the condition when user passes NULL fpstate. Other misc changes for prepartion of xsave/xrstor sigcontext support. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/ia32/ia32_signal.c | 28 ++++--------- arch/x86/kernel/i387.c | 44 ++++++++++++++------ arch/x86/kernel/signal_32.c | 28 ++++--------- arch/x86/kernel/signal_64.c | 83 ++----------------------------------- arch/x86/kernel/xsave.c | 79 +++++++++++++++++++++++++++++++++++ include/asm-x86/i387.h | 13 +++--- 6 files changed, 134 insertions(+), 141 deletions(-) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index a05bf0fb7415..c596eabbe98b 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -216,7 +216,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, unsigned int *peax) { unsigned int tmpflags, gs, oldgs, err = 0; - struct _fpstate_ia32 __user *buf; + void __user *buf; u32 tmp; /* Always make any pending restarted system calls return -EINTR */ @@ -260,26 +260,12 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, err |= __get_user(tmp, &sc->fpstate); buf = compat_ptr(tmp); - if (buf) { - if (!access_ok(VERIFY_READ, buf, sizeof(*buf))) - goto badframe; - err |= restore_i387_ia32(buf); - } else { - struct task_struct *me = current; - - if (used_math()) { - clear_fpu(me); - clear_used_math(); - } - } + err |= restore_i387_xstate_ia32(buf); err |= __get_user(tmp, &sc->ax); *peax = tmp; return err; - -badframe: - return 1; } asmlinkage long sys32_sigreturn(struct pt_regs *regs) @@ -351,7 +337,7 @@ badframe: */ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, - struct _fpstate_ia32 __user *fpstate, + void __user *fpstate, struct pt_regs *regs, unsigned int mask) { int tmp, err = 0; @@ -382,7 +368,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, err |= __put_user((u32)regs->flags, &sc->flags); err |= __put_user((u32)regs->sp, &sc->sp_at_signal); - tmp = save_i387_ia32(fpstate); + tmp = save_i387_xstate_ia32(fpstate); if (tmp < 0) err = -EFAULT; else { @@ -404,7 +390,7 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, */ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, - struct _fpstate_ia32 **fpstate) + void **fpstate) { unsigned long sp; @@ -441,7 +427,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka, struct sigframe __user *frame; void __user *restorer; int err = 0; - struct _fpstate_ia32 __user *fpstate = NULL; + void __user *fpstate = NULL; /* copy_to_user optimizes that into a single 8 byte store */ static const struct { @@ -529,7 +515,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct rt_sigframe __user *frame; void __user *restorer; int err = 0; - struct _fpstate_ia32 __user *fpstate = NULL; + void __user *fpstate = NULL; /* __copy_to_user optimizes that into a single 8 byte store */ static const struct { diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 51fb288a2c97..7daf3a011dd9 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -21,9 +21,10 @@ # include # include #else -# define save_i387_ia32 save_i387 -# define restore_i387_ia32 restore_i387 +# define save_i387_xstate_ia32 save_i387_xstate +# define restore_i387_xstate_ia32 restore_i387_xstate # define _fpstate_ia32 _fpstate +# define _xstate_ia32 _xstate # define sig_xstate_ia32_size sig_xstate_size # define user_i387_ia32_struct user_i387_struct # define user32_fxsr_struct user_fxsr_struct @@ -424,7 +425,6 @@ static inline int save_i387_fsave(struct _fpstate_ia32 __user *buf) struct task_struct *tsk = current; struct i387_fsave_struct *fp = &tsk->thread.xstate->fsave; - unlazy_fpu(tsk); fp->status = fp->swd; if (__copy_to_user(buf, fp, sizeof(struct i387_fsave_struct))) return -1; @@ -438,8 +438,6 @@ static int save_i387_fxsave(struct _fpstate_ia32 __user *buf) struct user_i387_ia32_struct env; int err = 0; - unlazy_fpu(tsk); - convert_from_fxsr(&env, tsk); if (__copy_to_user(buf, &env, sizeof(env))) return -1; @@ -455,10 +453,16 @@ static int save_i387_fxsave(struct _fpstate_ia32 __user *buf) return 1; } -int save_i387_ia32(struct _fpstate_ia32 __user *buf) +int save_i387_xstate_ia32(void __user *buf) { + struct _fpstate_ia32 __user *fp = (struct _fpstate_ia32 __user *) buf; + struct task_struct *tsk = current; + if (!used_math()) return 0; + + if (!access_ok(VERIFY_WRITE, buf, sig_xstate_ia32_size)) + return -EACCES; /* * This will cause a "finit" to be triggered by the next * attempted FPU operation by the 'current' process. @@ -468,13 +472,15 @@ int save_i387_ia32(struct _fpstate_ia32 __user *buf) if (!HAVE_HWFP) { return fpregs_soft_get(current, NULL, 0, sizeof(struct user_i387_ia32_struct), - NULL, buf) ? -1 : 1; + NULL, fp) ? -1 : 1; } + unlazy_fpu(tsk); + if (cpu_has_fxsr) - return save_i387_fxsave(buf); + return save_i387_fxsave(fp); else - return save_i387_fsave(buf); + return save_i387_fsave(fp); } static inline int restore_i387_fsave(struct _fpstate_ia32 __user *buf) @@ -502,14 +508,26 @@ static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf) return 0; } -int restore_i387_ia32(struct _fpstate_ia32 __user *buf) +int restore_i387_xstate_ia32(void __user *buf) { int err; struct task_struct *tsk = current; + struct _fpstate_ia32 __user *fp = (struct _fpstate_ia32 __user *) buf; if (HAVE_HWFP) clear_fpu(tsk); + if (!buf) { + if (used_math()) { + clear_fpu(tsk); + clear_used_math(); + } + + return 0; + } else + if (!access_ok(VERIFY_READ, buf, sig_xstate_ia32_size)) + return -EACCES; + if (!used_math()) { err = init_fpu(tsk); if (err) @@ -518,13 +536,13 @@ int restore_i387_ia32(struct _fpstate_ia32 __user *buf) if (HAVE_HWFP) { if (cpu_has_fxsr) - err = restore_i387_fxsave(buf); + err = restore_i387_fxsave(fp); else - err = restore_i387_fsave(buf); + err = restore_i387_fsave(fp); } else { err = fpregs_soft_set(current, NULL, 0, sizeof(struct user_i387_ia32_struct), - NULL, buf) != 0; + NULL, fp) != 0; } set_used_math(); diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 19a7a5669b5b..690cc616ac07 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -159,28 +159,14 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, } { - struct _fpstate __user *buf; + void __user *buf; err |= __get_user(buf, &sc->fpstate); - if (buf) { - if (!access_ok(VERIFY_READ, buf, sizeof(*buf))) - goto badframe; - err |= restore_i387(buf); - } else { - struct task_struct *me = current; - - if (used_math()) { - clear_fpu(me); - clear_used_math(); - } - } + err |= restore_i387_xstate(buf); } err |= __get_user(*pax, &sc->ax); return err; - -badframe: - return 1; } asmlinkage unsigned long sys_sigreturn(unsigned long __unused) @@ -262,7 +248,7 @@ badframe: * Set up a signal frame. */ static int -setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate, +setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, struct pt_regs *regs, unsigned long mask) { int tmp, err = 0; @@ -289,7 +275,7 @@ setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate, err |= __put_user(regs->sp, &sc->sp_at_signal); err |= __put_user(regs->ss, (unsigned int __user *)&sc->ss); - tmp = save_i387(fpstate); + tmp = save_i387_xstate(fpstate); if (tmp < 0) err = 1; else @@ -307,7 +293,7 @@ setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate, */ static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, - struct _fpstate **fpstate) + void **fpstate) { unsigned long sp; @@ -356,7 +342,7 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, void __user *restorer; int err = 0; int usig; - struct _fpstate __user *fpstate = NULL; + void __user *fpstate = NULL; frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); @@ -434,7 +420,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, void __user *restorer; int err = 0; int usig; - struct _fpstate __user *fpstate = NULL; + void __user *fpstate = NULL; frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 0deab8eff33f..ddf6123a55c8 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -53,69 +53,6 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, return do_sigaltstack(uss, uoss, regs->sp); } -/* - * Signal frame handlers. - */ - -static inline int save_i387(struct _fpstate __user *buf) -{ - struct task_struct *tsk = current; - int err = 0; - - BUILD_BUG_ON(sizeof(struct user_i387_struct) != - sizeof(tsk->thread.xstate->fxsave)); - - if ((unsigned long)buf % 16) - printk("save_i387: bad fpstate %p\n", buf); - - if (!used_math()) - return 0; - clear_used_math(); /* trigger finit */ - if (task_thread_info(tsk)->status & TS_USEDFPU) { - err = save_i387_checking((struct i387_fxsave_struct __user *) - buf); - if (err) - return err; - task_thread_info(tsk)->status &= ~TS_USEDFPU; - stts(); - } else { - if (__copy_to_user(buf, &tsk->thread.xstate->fxsave, - sizeof(struct i387_fxsave_struct))) - return -1; - } - return 1; -} - -/* - * This restores directly out of user space. Exceptions are handled. - */ -static inline int restore_i387(struct _fpstate __user *buf) -{ - struct task_struct *tsk = current; - int err; - - if (!used_math()) { - err = init_fpu(tsk); - if (err) - return err; - } - - if (!(task_thread_info(current)->status & TS_USEDFPU)) { - clts(); - task_thread_info(current)->status |= TS_USEDFPU; - } - err = restore_fpu_checking((__force struct i387_fxsave_struct *)buf); - if (unlikely(err)) { - /* - * Encountered an error while doing the restore from the - * user buffer, clear the fpu state. - */ - clear_fpu(tsk); - clear_used_math(); - } - return err; -} - /* * Do a signal return; undo the signal stack. */ @@ -160,25 +97,11 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, { struct _fpstate __user * buf; err |= __get_user(buf, &sc->fpstate); - - if (buf) { - if (!access_ok(VERIFY_READ, buf, sizeof(*buf))) - goto badframe; - err |= restore_i387(buf); - } else { - struct task_struct *me = current; - if (used_math()) { - clear_fpu(me); - clear_used_math(); - } - } + err |= restore_i387_xstate(buf); } err |= __get_user(*pax, &sc->ax); return err; - -badframe: - return 1; } asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) @@ -276,7 +199,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs * regs) { struct rt_sigframe __user *frame; - struct _fpstate __user *fp = NULL; + void __user *fp = NULL; int err = 0; struct task_struct *me = current; @@ -288,7 +211,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) goto give_sigsegv; - if (save_i387(fp) < 0) + if (save_i387_xstate(fp) < 0) err |= -1; } else frame = get_stack(ka, regs, sizeof(struct rt_sigframe)) - 8; diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 7ad169e33528..608e72d7ca64 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -12,6 +12,85 @@ */ unsigned int pcntxt_hmask, pcntxt_lmask; +#ifdef CONFIG_X86_64 +/* + * Signal frame handlers. + */ + +int save_i387_xstate(void __user *buf) +{ + struct task_struct *tsk = current; + int err = 0; + + if (!access_ok(VERIFY_WRITE, buf, sig_xstate_size)) + return -EACCES; + + BUILD_BUG_ON(sizeof(struct user_i387_struct) != + sizeof(tsk->thread.xstate->fxsave)); + + if ((unsigned long)buf % 16) + printk("save_i387_xstate: bad fpstate %p\n", buf); + + if (!used_math()) + return 0; + clear_used_math(); /* trigger finit */ + if (task_thread_info(tsk)->status & TS_USEDFPU) { + err = save_i387_checking((struct i387_fxsave_struct __user *) + buf); + if (err) + return err; + task_thread_info(tsk)->status &= ~TS_USEDFPU; + stts(); + } else { + if (__copy_to_user(buf, &tsk->thread.xstate->fxsave, + xstate_size)) + return -1; + } + return 1; +} + +/* + * This restores directly out of user space. Exceptions are handled. + */ +int restore_i387_xstate(void __user *buf) +{ + struct task_struct *tsk = current; + int err; + + if (!buf) { + if (used_math()) { + clear_fpu(tsk); + clear_used_math(); + } + + return 0; + } else + if (!access_ok(VERIFY_READ, buf, sig_xstate_size)) + return -EACCES; + + if (!used_math()) { + err = init_fpu(tsk); + if (err) + return err; + } + + if (!(task_thread_info(current)->status & TS_USEDFPU)) { + clts(); + task_thread_info(current)->status |= TS_USEDFPU; + } + err = fxrstor_checking((__force struct i387_fxsave_struct *)buf); + if (unlikely(err)) { + /* + * Encountered an error while doing the restore from the + * user buffer, clear the fpu state. + */ + clear_fpu(tsk); + clear_used_math(); + } + return err; +} +#endif + /* * Represents init state for the supported extended state. */ diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index 36dca8db1660..dc3745e8040a 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -34,8 +34,9 @@ extern user_regset_set_fn fpregs_set, xfpregs_set, fpregs_soft_set; #ifdef CONFIG_IA32_EMULATION extern unsigned int sig_xstate_ia32_size; struct _fpstate_ia32; -extern int save_i387_ia32(struct _fpstate_ia32 __user *buf); -extern int restore_i387_ia32(struct _fpstate_ia32 __user *buf); +struct _xstate_ia32; +extern int save_i387_xstate_ia32(void __user *buf); +extern int restore_i387_xstate_ia32(void __user *buf); #endif #define X87_FSW_ES (1 << 7) /* Exception Summary */ @@ -249,13 +250,13 @@ end: task_thread_info(tsk)->status &= ~TS_USEDFPU; } +#endif /* CONFIG_X86_64 */ + /* * Signal frame handlers... */ -extern int save_i387(struct _fpstate __user *buf); -extern int restore_i387(struct _fpstate __user *buf); - -#endif /* CONFIG_X86_64 */ +extern int save_i387_xstate(void __user *buf); +extern int restore_i387_xstate(void __user *buf); static inline void __unlazy_fpu(struct task_struct *tsk) { -- GitLab From 9dc89c0f96a6ce6a1b7f9a47dd8bf6f17e2002c9 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:23 -0700 Subject: [PATCH 0213/6244] x86, xsave: xsave/xrstor specific routines Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- include/asm-x86/xsave.h | 52 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/include/asm-x86/xsave.h b/include/asm-x86/xsave.h index e835a917ee19..b716511aede2 100644 --- a/include/asm-x86/xsave.h +++ b/include/asm-x86/xsave.h @@ -48,6 +48,58 @@ static inline int xrstor_checking(struct xsave_struct *fx) return err; } +static inline int xsave_check(struct xsave_struct __user *buf) +{ + int err; + __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x27\n" + "2:\n" + ".section .fixup,\"ax\"\n" + "3: movl $-1,%[err]\n" + " jmp 2b\n" + ".previous\n" + ".section __ex_table,\"a\"\n" + _ASM_ALIGN "\n" + _ASM_PTR "1b,3b\n" + ".previous" + : [err] "=r" (err) + : "D" (buf), "a" (-1), "d" (-1), "0" (0) + : "memory"); + if (unlikely(err) && __clear_user(buf, xstate_size)) + err = -EFAULT; + /* No need to clear here because the caller clears USED_MATH */ + return err; +} + +static inline int xrestore_user(struct xsave_struct __user *buf, + unsigned int lmask, + unsigned int hmask) +{ + int err; + struct xsave_struct *xstate = ((__force struct xsave_struct *)buf); + + __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n" + "2:\n" + ".section .fixup,\"ax\"\n" + "3: movl $-1,%[err]\n" + " jmp 2b\n" + ".previous\n" + ".section __ex_table,\"a\"\n" + _ASM_ALIGN "\n" + _ASM_PTR "1b,3b\n" + ".previous" + : [err] "=r" (err) + : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0) + : "memory"); /* memory required? */ + return err; +} + +static inline void xrstor_state(struct xsave_struct *fx, int lmask, int hmask) +{ + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); +} + static inline void xsave(struct task_struct *tsk) { /* This, however, we can work around by forcing the compiler to select -- GitLab From bdd8caba5ed5bb7ee21c9f061597284ffeb280bf Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:24 -0700 Subject: [PATCH 0214/6244] x86, xsave: struct _fpstate extensions to include extended state information Bytes 464..511 in the current 512byte layout of fxsave/fxrstor frame, are reserved for SW usage. On cpu's supporting xsave/xrstor, these bytes are used to extended the fpstate pointer in the sigcontext, which now includes the extended state information along with fpstate information. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- include/asm-x86/processor.h | 7 ++- include/asm-x86/sigcontext.h | 87 ++++++++++++++++++++++++++++++++-- include/asm-x86/sigcontext32.h | 6 ++- 3 files changed, 94 insertions(+), 6 deletions(-) diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 77b7af6b573b..eb4bd8c07730 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -322,7 +322,12 @@ struct i387_fxsave_struct { /* 16*16 bytes for each XMM-reg = 256 bytes: */ u32 xmm_space[64]; - u32 padding[24]; + u32 padding[12]; + + union { + u32 padding1[12]; + u32 sw_reserved[12]; + }; } __attribute__((aligned(16))); diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h index 24879c85b291..899fe2f8abb9 100644 --- a/include/asm-x86/sigcontext.h +++ b/include/asm-x86/sigcontext.h @@ -4,6 +4,40 @@ #include #include +#define FP_XSTATE_MAGIC1 0x46505853U +#define FP_XSTATE_MAGIC2 0x46505845U +#define FP_XSTATE_MAGIC2_SIZE sizeof(FP_XSTATE_MAGIC2) + +/* + * bytes 464..511 in the current 512byte layout of fxsave/fxrstor frame + * are reserved for SW usage. On cpu's supporting xsave/xrstor, these bytes + * are used to extended the fpstate pointer in the sigcontext, which now + * includes the extended state information along with fpstate information. + * + * Presence of FP_XSTATE_MAGIC1 at the beginning of this SW reserved + * area and FP_XSTATE_MAGIC2 at the end of memory layout + * (extended_size - FP_XSTATE_MAGIC2_SIZE) indicates the presence of the + * extended state information in the memory layout pointed by the fpstate + * pointer in sigcontext. + */ +struct _fpx_sw_bytes { + __u32 magic1; /* FP_XSTATE_MAGIC1 */ + __u32 extended_size; /* total size of the layout referred by + * fpstate pointer in the sigcontext. + */ + __u64 xstate_bv; + /* feature bit mask (including fp/sse/extended + * state) that is present in the memory + * layout. + */ + __u32 xstate_size; /* actual xsave state size, based on the + * features saved in the layout. + * 'extended_size' will be greater than + * 'xstate_size'. + */ + __u32 padding[7]; /* for future use. */ +}; + #ifdef __i386__ /* * As documented in the iBCS2 standard.. @@ -53,7 +87,13 @@ struct _fpstate { unsigned long reserved; struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */ struct _xmmreg _xmm[8]; - unsigned long padding[56]; + unsigned long padding1[44]; + + union { + unsigned long padding2[12]; + struct _fpx_sw_bytes sw_reserved; /* represents the extended + * state info */ + }; }; #define X86_FXSR_MAGIC 0x0000 @@ -79,7 +119,15 @@ struct sigcontext { unsigned long flags; unsigned long sp_at_signal; unsigned short ss, __ssh; - struct _fpstate __user *fpstate; + + /* + * fpstate is really (struct _fpstate *) or (struct _xstate *) + * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved + * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end + * of extended memory layout. See comments at the defintion of + * (struct _fpx_sw_bytes) + */ + void __user *fpstate; /* zero when no FPU/extended context */ unsigned long oldmask; unsigned long cr2; }; @@ -130,7 +178,12 @@ struct _fpstate { __u32 mxcsr_mask; __u32 st_space[32]; /* 8*16 bytes for each FP-reg */ __u32 xmm_space[64]; /* 16*16 bytes for each XMM-reg */ - __u32 reserved2[24]; + __u32 reserved2[12]; + union { + __u32 reserved3[12]; + struct _fpx_sw_bytes sw_reserved; /* represents the extended + * state information */ + }; }; #ifdef __KERNEL__ @@ -161,7 +214,15 @@ struct sigcontext { unsigned long trapno; unsigned long oldmask; unsigned long cr2; - struct _fpstate __user *fpstate; /* zero when no FPU context */ + + /* + * fpstate is really (struct _fpstate *) or (struct _xstate *) + * depending on the FP_XSTATE_MAGIC1 encoded in the SW reserved + * bytes of (struct _fpstate) and FP_XSTATE_MAGIC2 present at the end + * of extended memory layout. See comments at the defintion of + * (struct _fpx_sw_bytes) + */ + void __user *fpstate; /* zero when no FPU/extended context */ unsigned long reserved1[8]; }; #else /* __KERNEL__ */ @@ -202,4 +263,22 @@ struct sigcontext { #endif /* !__i386__ */ +struct _xsave_hdr { + u64 xstate_bv; + u64 reserved1[2]; + u64 reserved2[5]; +}; + +/* + * Extended state pointed by the fpstate pointer in the sigcontext. + * In addition to the fpstate, information encoded in the xstate_hdr + * indicates the presence of other extended state information + * supported by the processor and OS. + */ +struct _xstate { + struct _fpstate fpstate; + struct _xsave_hdr xstate_hdr; + /* new processor state extensions go here */ +}; + #endif /* ASM_X86__SIGCONTEXT_H */ diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h index 4e2ec732dd01..8c347032c2f2 100644 --- a/include/asm-x86/sigcontext32.h +++ b/include/asm-x86/sigcontext32.h @@ -40,7 +40,11 @@ struct _fpstate_ia32 { __u32 reserved; struct _fpxreg _fxsr_st[8]; struct _xmmreg _xmm[8]; /* It's actually 16 */ - __u32 padding[56]; + __u32 padding[44]; + union { + __u32 padding2[12]; + struct _fpx_sw_bytes sw_reserved; + }; }; struct sigcontext_ia32 { -- GitLab From c37b5efea43f9e500363f9973dd00e3d2cdcc685 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:25 -0700 Subject: [PATCH 0215/6244] x86, xsave: save/restore the extended state context in sigframe On cpu's supporting xsave/xrstor, fpstate pointer in the sigcontext, will include the extended state information along with fpstate information. Presence of extended state information is indicated by the presence of FP_XSTATE_MAGIC1 at fpstate.sw_reserved.magic1 and FP_XSTATE_MAGIC2 at fpstate + (fpstate.sw_reserved.extended_size - FP_XSTATE_MAGIC2_SIZE). Extended feature bit mask that is saved in the memory layout is represented by the fpstate.sw_reserved.xstate_bv For RT signal frames, UC_FP_XSTATE in the uc_flags also indicate the presence of extended state information in the sigcontext's fpstate pointer. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/ia32/ia32_signal.c | 5 +- arch/x86/kernel/i387.c | 82 +++++++++++++++-- arch/x86/kernel/signal_32.c | 5 +- arch/x86/kernel/signal_64.c | 7 +- arch/x86/kernel/xsave.c | 172 +++++++++++++++++++++++++++++++++--- include/asm-x86/i387.h | 4 +- include/asm-x86/ucontext.h | 6 ++ include/asm-x86/xsave.h | 5 +- 8 files changed, 264 insertions(+), 22 deletions(-) diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index c596eabbe98b..f25a10124005 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -544,7 +544,10 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, goto give_sigsegv; /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); + if (cpu_has_xsave) + err |= __put_user(UC_FP_XSTATE, &frame->uc.uc_flags); + else + err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->sp), diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 7daf3a011dd9..cbb9dc474a21 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -26,6 +26,7 @@ # define _fpstate_ia32 _fpstate # define _xstate_ia32 _xstate # define sig_xstate_ia32_size sig_xstate_size +# define fx_sw_reserved_ia32 fx_sw_reserved # define user_i387_ia32_struct user_i387_struct # define user32_fxsr_struct user_fxsr_struct #endif @@ -447,12 +448,30 @@ static int save_i387_fxsave(struct _fpstate_ia32 __user *buf) if (err) return -1; - if (__copy_to_user(&buf->_fxsr_env[0], fx, - sizeof(struct i387_fxsave_struct))) + if (__copy_to_user(&buf->_fxsr_env[0], fx, xstate_size)) return -1; return 1; } +static int save_i387_xsave(void __user *buf) +{ + struct _fpstate_ia32 __user *fx = buf; + int err = 0; + + if (save_i387_fxsave(fx) < 0) + return -1; + + err = __copy_to_user(&fx->sw_reserved, &fx_sw_reserved_ia32, + sizeof(struct _fpx_sw_bytes)); + err |= __put_user(FP_XSTATE_MAGIC2, + (__u32 __user *) (buf + sig_xstate_ia32_size + - FP_XSTATE_MAGIC2_SIZE)); + if (err) + return -1; + + return 1; +} + int save_i387_xstate_ia32(void __user *buf) { struct _fpstate_ia32 __user *fp = (struct _fpstate_ia32 __user *) buf; @@ -477,6 +496,8 @@ int save_i387_xstate_ia32(void __user *buf) unlazy_fpu(tsk); + if (cpu_has_xsave) + return save_i387_xsave(fp); if (cpu_has_fxsr) return save_i387_fxsave(fp); else @@ -491,14 +512,15 @@ static inline int restore_i387_fsave(struct _fpstate_ia32 __user *buf) sizeof(struct i387_fsave_struct)); } -static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf) +static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf, + unsigned int size) { struct task_struct *tsk = current; struct user_i387_ia32_struct env; int err; err = __copy_from_user(&tsk->thread.xstate->fxsave, &buf->_fxsr_env[0], - sizeof(struct i387_fxsave_struct)); + size); /* mxcsr reserved bits must be masked to zero for security reasons */ tsk->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask; if (err || __copy_from_user(&env, buf, sizeof(env))) @@ -508,6 +530,51 @@ static int restore_i387_fxsave(struct _fpstate_ia32 __user *buf) return 0; } +static int restore_i387_xsave(void __user *buf) +{ + struct _fpx_sw_bytes fx_sw_user; + struct _fpstate_ia32 __user *fx_user = + ((struct _fpstate_ia32 __user *) buf); + struct i387_fxsave_struct __user *fx = + (struct i387_fxsave_struct __user *) &fx_user->_fxsr_env[0]; + struct xsave_hdr_struct *xsave_hdr = + ¤t->thread.xstate->xsave.xsave_hdr; + unsigned int lmask, hmask; + int err; + + if (check_for_xstate(fx, buf, &fx_sw_user)) + goto fx_only; + + lmask = fx_sw_user.xstate_bv; + hmask = fx_sw_user.xstate_bv >> 32; + + err = restore_i387_fxsave(buf, fx_sw_user.xstate_size); + + xsave_hdr->xstate_bv &= (pcntxt_lmask | (((u64) pcntxt_hmask) << 32)); + /* + * These bits must be zero. + */ + xsave_hdr->reserved1[0] = xsave_hdr->reserved1[1] = 0; + + /* + * Init the state that is not present in the memory layout + * and enabled by the OS. + */ + lmask = ~(pcntxt_lmask & ~lmask); + hmask = ~(pcntxt_hmask & ~hmask); + xsave_hdr->xstate_bv &= (lmask | (((u64) hmask) << 32)); + + return err; +fx_only: + /* + * Couldn't find the extended state information in the memory + * layout. Restore the FP/SSE and init the other extended state + * enabled by the OS. + */ + xsave_hdr->xstate_bv = XSTATE_FPSSE; + return restore_i387_fxsave(buf, sizeof(struct i387_fxsave_struct)); +} + int restore_i387_xstate_ia32(void __user *buf) { int err; @@ -535,8 +602,11 @@ int restore_i387_xstate_ia32(void __user *buf) } if (HAVE_HWFP) { - if (cpu_has_fxsr) - err = restore_i387_fxsave(fp); + if (cpu_has_xsave) + err = restore_i387_xsave(buf); + else if (cpu_has_fxsr) + err = restore_i387_fxsave(fp, sizeof(struct + i387_fxsave_struct)); else err = restore_i387_fsave(fp); } else { diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index 690cc616ac07..0f98d69fbdb0 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -441,7 +441,10 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, goto give_sigsegv; /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); + if (cpu_has_xsave) + err |= __put_user(UC_FP_XSTATE, &frame->uc.uc_flags); + else + err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->sp), diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index ddf6123a55c8..2621b98f5bf6 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -192,7 +192,7 @@ get_stack(struct k_sigaction *ka, struct pt_regs *regs, unsigned long size) sp = current->sas_ss_sp + current->sas_ss_size; } - return (void __user *)round_down(sp - size, 16); + return (void __user *)round_down(sp - size, 64); } static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, @@ -226,7 +226,10 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); + if (cpu_has_xsave) + err |= __put_user(UC_FP_XSTATE, &frame->uc.uc_flags); + else + err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); err |= __put_user(me->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->sp), diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 608e72d7ca64..dd66d0714c18 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -6,12 +6,68 @@ #include #include #include +#ifdef CONFIG_IA32_EMULATION +#include +#endif /* * Supported feature mask by the CPU and the kernel. */ unsigned int pcntxt_hmask, pcntxt_lmask; +struct _fpx_sw_bytes fx_sw_reserved; +#ifdef CONFIG_IA32_EMULATION +struct _fpx_sw_bytes fx_sw_reserved_ia32; +#endif + +/* + * Check for the presence of extended state information in the + * user fpstate pointer in the sigcontext. + */ +int check_for_xstate(struct i387_fxsave_struct __user *buf, + void __user *fpstate, + struct _fpx_sw_bytes *fx_sw_user) +{ + int min_xstate_size = sizeof(struct i387_fxsave_struct) + + sizeof(struct xsave_hdr_struct); + unsigned int magic2; + int err; + + err = __copy_from_user(fx_sw_user, &buf->sw_reserved[0], + sizeof(struct _fpx_sw_bytes)); + + if (err) + return err; + + /* + * First Magic check failed. + */ + if (fx_sw_user->magic1 != FP_XSTATE_MAGIC1) + return -1; + + /* + * Check for error scenarios. + */ + if (fx_sw_user->xstate_size < min_xstate_size || + fx_sw_user->xstate_size > xstate_size || + fx_sw_user->xstate_size > fx_sw_user->extended_size) + return -1; + + err = __get_user(magic2, (__u32 *) (((void *)fpstate) + + fx_sw_user->extended_size - + FP_XSTATE_MAGIC2_SIZE)); + /* + * Check for the presence of second magic word at the end of memory + * layout. This detects the case where the user just copied the legacy + * fpstate layout with out copying the extended state information + * in the memory layout. + */ + if (err || magic2 != FP_XSTATE_MAGIC2) + return -1; + + return 0; +} + #ifdef CONFIG_X86_64 /* * Signal frame handlers. @@ -28,15 +84,18 @@ int save_i387_xstate(void __user *buf) BUILD_BUG_ON(sizeof(struct user_i387_struct) != sizeof(tsk->thread.xstate->fxsave)); - if ((unsigned long)buf % 16) + if ((unsigned long)buf % 64) printk("save_i387_xstate: bad fpstate %p\n", buf); if (!used_math()) return 0; clear_used_math(); /* trigger finit */ if (task_thread_info(tsk)->status & TS_USEDFPU) { - err = save_i387_checking((struct i387_fxsave_struct __user *) - buf); + if (task_thread_info(tsk)->status & TS_XSAVE) + err = xsave_user(buf); + else + err = fxsave_user(buf); + if (err) return err; task_thread_info(tsk)->status &= ~TS_USEDFPU; @@ -46,23 +105,77 @@ int save_i387_xstate(void __user *buf) xstate_size)) return -1; } + + if (task_thread_info(tsk)->status & TS_XSAVE) { + struct _fpstate __user *fx = buf; + + err = __copy_to_user(&fx->sw_reserved, &fx_sw_reserved, + sizeof(struct _fpx_sw_bytes)); + + err |= __put_user(FP_XSTATE_MAGIC2, + (__u32 __user *) (buf + sig_xstate_size + - FP_XSTATE_MAGIC2_SIZE)); + } + return 1; } +/* + * Restore the extended state if present. Otherwise, restore the FP/SSE + * state. + */ +int restore_user_xstate(void __user *buf) +{ + struct _fpx_sw_bytes fx_sw_user; + unsigned int lmask, hmask; + int err; + + if (((unsigned long)buf % 64) || + check_for_xstate(buf, buf, &fx_sw_user)) + goto fx_only; + + lmask = fx_sw_user.xstate_bv; + hmask = fx_sw_user.xstate_bv >> 32; + + /* + * restore the state passed by the user. + */ + err = xrestore_user(buf, lmask, hmask); + if (err) + return err; + + /* + * init the state skipped by the user. + */ + lmask = pcntxt_lmask & ~lmask; + hmask = pcntxt_hmask & ~hmask; + + xrstor_state(init_xstate_buf, lmask, hmask); + + return 0; + +fx_only: + /* + * couldn't find the extended state information in the + * memory layout. Restore just the FP/SSE and init all + * the other extended state. + */ + xrstor_state(init_xstate_buf, pcntxt_lmask & ~XSTATE_FPSSE, + pcntxt_hmask); + return fxrstor_checking((__force struct i387_fxsave_struct *)buf); +} + /* * This restores directly out of user space. Exceptions are handled. */ int restore_i387_xstate(void __user *buf) { struct task_struct *tsk = current; - int err; + int err = 0; if (!buf) { - if (used_math()) { - clear_fpu(tsk); - clear_used_math(); - } - + if (used_math()) + goto clear; return 0; } else if (!access_ok(VERIFY_READ, buf, sig_xstate_size)) @@ -78,12 +191,17 @@ int restore_i387_xstate(void __user *buf) clts(); task_thread_info(current)->status |= TS_USEDFPU; } - err = fxrstor_checking((__force struct i387_fxsave_struct *)buf); + if (task_thread_info(tsk)->status & TS_XSAVE) + err = restore_user_xstate(buf); + else + err = fxrstor_checking((__force struct i387_fxsave_struct *) + buf); if (unlikely(err)) { /* * Encountered an error while doing the restore from the * user buffer, clear the fpu state. */ +clear: clear_fpu(tsk); clear_used_math(); } @@ -91,6 +209,38 @@ int restore_i387_xstate(void __user *buf) } #endif +/* + * Prepare the SW reserved portion of the fxsave memory layout, indicating + * the presence of the extended state information in the memory layout + * pointed by the fpstate pointer in the sigcontext. + * This will be saved when ever the FP and extended state context is + * saved on the user stack during the signal handler delivery to the user. + */ +void prepare_fx_sw_frame(void) +{ + int size_extended = (xstate_size - sizeof(struct i387_fxsave_struct)) + + FP_XSTATE_MAGIC2_SIZE; + + sig_xstate_size = sizeof(struct _fpstate) + size_extended; + +#ifdef CONFIG_IA32_EMULATION + sig_xstate_ia32_size = sizeof(struct _fpstate_ia32) + size_extended; +#endif + + memset(&fx_sw_reserved, 0, sizeof(fx_sw_reserved)); + + fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1; + fx_sw_reserved.extended_size = sig_xstate_size; + fx_sw_reserved.xstate_bv = pcntxt_lmask | + (((u64) (pcntxt_hmask)) << 32); + fx_sw_reserved.xstate_size = xstate_size; +#ifdef CONFIG_IA32_EMULATION + memcpy(&fx_sw_reserved_ia32, &fx_sw_reserved, + sizeof(struct _fpx_sw_bytes)); + fx_sw_reserved_ia32.extended_size = sig_xstate_ia32_size; +#endif +} + /* * Represents init state for the supported extended state. */ @@ -162,6 +312,8 @@ void __init xsave_cntxt_init(void) xstate_size = ebx; + prepare_fx_sw_frame(); + setup_xstate_init(); printk(KERN_INFO "xsave/xrstor: enabled xstate_bv 0x%Lx, " diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h index dc3745e8040a..d3dda7161954 100644 --- a/include/asm-x86/i387.h +++ b/include/asm-x86/i387.h @@ -31,8 +31,10 @@ extern user_regset_active_fn fpregs_active, xfpregs_active; extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get; extern user_regset_set_fn fpregs_set, xfpregs_set, fpregs_soft_set; +extern struct _fpx_sw_bytes fx_sw_reserved; #ifdef CONFIG_IA32_EMULATION extern unsigned int sig_xstate_ia32_size; +extern struct _fpx_sw_bytes fx_sw_reserved_ia32; struct _fpstate_ia32; struct _xstate_ia32; extern int save_i387_xstate_ia32(void __user *buf); @@ -104,7 +106,7 @@ static inline void clear_fpu_state(struct task_struct *tsk) X86_FEATURE_FXSAVE_LEAK); } -static inline int save_i387_checking(struct i387_fxsave_struct __user *fx) +static inline int fxsave_user(struct i387_fxsave_struct __user *fx) { int err; diff --git a/include/asm-x86/ucontext.h b/include/asm-x86/ucontext.h index 9948dd328084..89eaa5456a7e 100644 --- a/include/asm-x86/ucontext.h +++ b/include/asm-x86/ucontext.h @@ -1,6 +1,12 @@ #ifndef ASM_X86__UCONTEXT_H #define ASM_X86__UCONTEXT_H +#define UC_FP_XSTATE 0x1 /* indicates the presence of extended state + * information in the memory layout pointed + * by the fpstate pointer in the ucontext's + * sigcontext struct (uc_mcontext). + */ + struct ucontext { unsigned long uc_flags; struct ucontext *uc_link; diff --git a/include/asm-x86/xsave.h b/include/asm-x86/xsave.h index b716511aede2..b7f64b9fcd94 100644 --- a/include/asm-x86/xsave.h +++ b/include/asm-x86/xsave.h @@ -29,6 +29,9 @@ extern struct xsave_struct *init_xstate_buf; extern void xsave_cntxt_init(void); extern void xsave_init(void); extern int init_fpu(struct task_struct *child); +extern int check_for_xstate(struct i387_fxsave_struct __user *buf, + void __user *fpstate, + struct _fpx_sw_bytes *sw); static inline int xrstor_checking(struct xsave_struct *fx) { @@ -48,7 +51,7 @@ static inline int xrstor_checking(struct xsave_struct *fx) return err; } -static inline int xsave_check(struct xsave_struct __user *buf) +static inline int xsave_user(struct xsave_struct __user *buf) { int err; __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x27\n" -- GitLab From 42deec6f2c3688fdaf986225ac901b817cd91568 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 29 Jul 2008 10:29:26 -0700 Subject: [PATCH 0216/6244] x86, xsave: update xsave header bits during ptrace fpregs set FP/SSE bits may be zero in the xsave header(representing the init state). Update these bits during the ptrace fpregs set operation, to indicate the non-init state. Signed-off-by: Suresh Siddha Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/i387.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index cbb9dc474a21..e0ed59f5c19f 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -214,6 +214,13 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset, */ target->thread.xstate->fxsave.mxcsr &= mxcsr_feature_mask; + /* + * update the header bits in the xsave header, indicating the + * presence of FP and SSE state. + */ + if (cpu_has_xsave) + target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FPSSE; + return ret; } @@ -414,6 +421,12 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset, if (!ret) convert_to_fxsr(target, &env); + /* + * update the header bit in the xsave header, indicating the + * presence of FP. + */ + if (cpu_has_xsave) + target->thread.xstate->xsave.xsave_hdr.xstate_bv |= XSTATE_FP; return ret; } -- GitLab From b4a091a62c8e91d6077e575600363cff73fa02ef Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 29 Jul 2008 17:30:29 -0700 Subject: [PATCH 0217/6244] x86, xsave: add header file for XCR registers Add header file for the XCR registers and their access functions. Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- include/asm-x86/xcr.h | 49 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 include/asm-x86/xcr.h diff --git a/include/asm-x86/xcr.h b/include/asm-x86/xcr.h new file mode 100644 index 000000000000..f2cba4e79a23 --- /dev/null +++ b/include/asm-x86/xcr.h @@ -0,0 +1,49 @@ +/* -*- linux-c -*- ------------------------------------------------------- * + * + * Copyright 2008 rPath, Inc. - All Rights Reserved + * + * This file is part of the Linux kernel, and is made available under + * the terms of the GNU General Public License version 2 or (at your + * option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +/* + * asm-x86/xcr.h + * + * Definitions for the eXtended Control Register instructions + */ + +#ifndef _ASM_X86_XCR_H +#define _ASM_X86_XCR_H + +#define XCR_XFEATURE_ENABLED_MASK 0x00000000 + +#ifdef __KERNEL__ +# ifndef __ASSEMBLY__ + +#include + +static inline u64 xgetbv(u32 index) +{ + u32 eax, edx; + + asm volatile(".byte 0x0f,0x01,0xd0" /* xgetbv */ + : "=a" (eax), "=d" (edx) + : "c" (index)); + return eax + ((u64)edx << 32); +} + +static inline void xsetbv(u32 index, u64 value) +{ + u32 eax = value; + u32 edx = value >> 32; + + asm volatile(".byte 0x0f,0x01,0xd1" /* xsetbv */ + : : "a" (eax), "d" (edx), "c" (index)); +} + +# endif /* __ASSEMBLY__ */ +#endif /* __KERNEL__ */ + +#endif /* _ASM_X86_XCR_H */ -- GitLab From 6152e4b1c99a3689fc318d092cd144597f7dbd14 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 29 Jul 2008 17:23:16 -0700 Subject: [PATCH 0218/6244] x86, xsave: keep the XSAVE feature mask as an u64 The XSAVE feature mask is a 64-bit number; keep it that way, in order to avoid the mistake done with rdmsr/wrmsr. Use the xsetbv() function provided in the previous patch. Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/i387.c | 12 +++++------ arch/x86/kernel/xsave.c | 45 ++++++++++++++++------------------------- include/asm-x86/xsave.h | 18 ++++++++++------- 3 files changed, 33 insertions(+), 42 deletions(-) diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index e0ed59f5c19f..45723f1fe198 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -552,18 +552,17 @@ static int restore_i387_xsave(void __user *buf) (struct i387_fxsave_struct __user *) &fx_user->_fxsr_env[0]; struct xsave_hdr_struct *xsave_hdr = ¤t->thread.xstate->xsave.xsave_hdr; - unsigned int lmask, hmask; + u64 mask; int err; if (check_for_xstate(fx, buf, &fx_sw_user)) goto fx_only; - lmask = fx_sw_user.xstate_bv; - hmask = fx_sw_user.xstate_bv >> 32; + mask = fx_sw_user.xstate_bv; err = restore_i387_fxsave(buf, fx_sw_user.xstate_size); - xsave_hdr->xstate_bv &= (pcntxt_lmask | (((u64) pcntxt_hmask) << 32)); + xsave_hdr->xstate_bv &= pcntxt_mask; /* * These bits must be zero. */ @@ -573,9 +572,8 @@ static int restore_i387_xsave(void __user *buf) * Init the state that is not present in the memory layout * and enabled by the OS. */ - lmask = ~(pcntxt_lmask & ~lmask); - hmask = ~(pcntxt_hmask & ~hmask); - xsave_hdr->xstate_bv &= (lmask | (((u64) hmask) << 32)); + mask = ~(pcntxt_mask & ~mask); + xsave_hdr->xstate_bv &= mask; return err; fx_only: diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index dd66d0714c18..7415f3e38a51 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -9,11 +9,12 @@ #ifdef CONFIG_IA32_EMULATION #include #endif +#include /* * Supported feature mask by the CPU and the kernel. */ -unsigned int pcntxt_hmask, pcntxt_lmask; +u64 pcntxt_mask; struct _fpx_sw_bytes fx_sw_reserved; #ifdef CONFIG_IA32_EMULATION @@ -127,30 +128,28 @@ int save_i387_xstate(void __user *buf) int restore_user_xstate(void __user *buf) { struct _fpx_sw_bytes fx_sw_user; - unsigned int lmask, hmask; + u64 mask; int err; if (((unsigned long)buf % 64) || check_for_xstate(buf, buf, &fx_sw_user)) goto fx_only; - lmask = fx_sw_user.xstate_bv; - hmask = fx_sw_user.xstate_bv >> 32; + mask = fx_sw_user.xstate_bv; /* * restore the state passed by the user. */ - err = xrestore_user(buf, lmask, hmask); + err = xrestore_user(buf, mask); if (err) return err; /* * init the state skipped by the user. */ - lmask = pcntxt_lmask & ~lmask; - hmask = pcntxt_hmask & ~hmask; + mask = pcntxt_mask & ~mask; - xrstor_state(init_xstate_buf, lmask, hmask); + xrstor_state(init_xstate_buf, mask); return 0; @@ -160,8 +159,7 @@ fx_only: * memory layout. Restore just the FP/SSE and init all * the other extended state. */ - xrstor_state(init_xstate_buf, pcntxt_lmask & ~XSTATE_FPSSE, - pcntxt_hmask); + xrstor_state(init_xstate_buf, pcntxt_mask & ~XSTATE_FPSSE); return fxrstor_checking((__force struct i387_fxsave_struct *)buf); } @@ -231,8 +229,7 @@ void prepare_fx_sw_frame(void) fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1; fx_sw_reserved.extended_size = sig_xstate_size; - fx_sw_reserved.xstate_bv = pcntxt_lmask | - (((u64) (pcntxt_hmask)) << 32); + fx_sw_reserved.xstate_bv = pcntxt_mask; fx_sw_reserved.xstate_size = xstate_size; #ifdef CONFIG_IA32_EMULATION memcpy(&fx_sw_reserved_ia32, &fx_sw_reserved, @@ -263,11 +260,8 @@ void __cpuinit xsave_init(void) /* * Enable all the features that the HW is capable of * and the Linux kernel is aware of. - * - * xsetbv(); */ - asm volatile(".byte 0x0f,0x01,0xd1" : : "c" (0), - "a" (pcntxt_lmask), "d" (pcntxt_hmask)); + xsetbv(XCR_XFEATURE_ENABLED_MASK, pcntxt_mask); } /* @@ -287,36 +281,31 @@ void __init xsave_cntxt_init(void) unsigned int eax, ebx, ecx, edx; cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); + pcntxt_mask = eax + ((u64)edx << 32); - pcntxt_lmask = eax; - pcntxt_hmask = edx; - - if ((pcntxt_lmask & XSTATE_FPSSE) != XSTATE_FPSSE) { - printk(KERN_ERR "FP/SSE not shown under xsave features %x\n", - pcntxt_lmask); + if ((pcntxt_mask & XSTATE_FPSSE) != XSTATE_FPSSE) { + printk(KERN_ERR "FP/SSE not shown under xsave features 0x%llx\n", + pcntxt_mask); BUG(); } /* * for now OS knows only about FP/SSE */ - pcntxt_lmask = pcntxt_lmask & XCNTXT_LMASK; - pcntxt_hmask = pcntxt_hmask & XCNTXT_HMASK; - + pcntxt_mask = pcntxt_mask & XCNTXT_MASK; xsave_init(); /* * Recompute the context size for enabled features */ cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx); - xstate_size = ebx; prepare_fx_sw_frame(); setup_xstate_init(); - printk(KERN_INFO "xsave/xrstor: enabled xstate_bv 0x%Lx, " + printk(KERN_INFO "xsave/xrstor: enabled xstate_bv 0x%llx, " "cntxt size 0x%x\n", - (pcntxt_lmask | ((u64) pcntxt_hmask << 32)), xstate_size); + pcntxt_mask, xstate_size); } diff --git a/include/asm-x86/xsave.h b/include/asm-x86/xsave.h index b7f64b9fcd94..08e9a1ac07a9 100644 --- a/include/asm-x86/xsave.h +++ b/include/asm-x86/xsave.h @@ -1,6 +1,7 @@ #ifndef __ASM_X86_XSAVE_H #define __ASM_X86_XSAVE_H +#include #include #include @@ -14,8 +15,7 @@ /* * These are the features that the OS can handle currently. */ -#define XCNTXT_LMASK (XSTATE_FP | XSTATE_SSE) -#define XCNTXT_HMASK 0x0 +#define XCNTXT_MASK (XSTATE_FP | XSTATE_SSE) #ifdef CONFIG_X86_64 #define REX_PREFIX "0x48, " @@ -23,7 +23,8 @@ #define REX_PREFIX #endif -extern unsigned int xstate_size, pcntxt_hmask, pcntxt_lmask; +extern unsigned int xstate_size; +extern u64 pcntxt_mask; extern struct xsave_struct *init_xstate_buf; extern void xsave_cntxt_init(void); @@ -73,12 +74,12 @@ static inline int xsave_user(struct xsave_struct __user *buf) return err; } -static inline int xrestore_user(struct xsave_struct __user *buf, - unsigned int lmask, - unsigned int hmask) +static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) { int err; struct xsave_struct *xstate = ((__force struct xsave_struct *)buf); + u32 lmask = mask; + u32 hmask = mask >> 32; __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n" "2:\n" @@ -96,8 +97,11 @@ static inline int xrestore_user(struct xsave_struct __user *buf, return err; } -static inline void xrstor_state(struct xsave_struct *fx, int lmask, int hmask) +static inline void xrstor_state(struct xsave_struct *fx, u64 mask) { + u32 lmask = mask; + u32 hmask = mask >> 32; + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) : "memory"); -- GitLab From 0d1edf46ba229b46efacf75c0544b88c05a7b266 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 28 Jul 2008 11:53:57 -0700 Subject: [PATCH 0219/6244] xen: compile irq functions without -pg for ftrace For some reason I managed to miss a bunch of irq-related functions which also need to be compiled without -pg when using ftrace. This patch moves them into their own file, and starts a cleanup process I've been meaning to do anyway. Signed-off-by: Jeremy Fitzhardinge Cc: Sam Ravnborg Cc: "Alex Nixon (Intern)" Cc: Eduardo Habkost Signed-off-by: Ingo Molnar --- arch/x86/xen/Makefile | 3 +- arch/x86/xen/enlighten.c | 122 +------------------------------- arch/x86/xen/irq.c | 143 ++++++++++++++++++++++++++++++++++++++ arch/x86/xen/xen-asm_32.S | 2 +- arch/x86/xen/xen-asm_64.S | 2 +- arch/x86/xen/xen-ops.h | 1 + drivers/xen/events.c | 11 --- 7 files changed, 150 insertions(+), 134 deletions(-) create mode 100644 arch/x86/xen/irq.c diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 5bfee243cf9a..9ee745fa5527 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -2,9 +2,10 @@ ifdef CONFIG_FTRACE # Do not profile debug and lowlevel utilities CFLAGS_REMOVE_spinlock.o = -pg CFLAGS_REMOVE_time.o = -pg +CFLAGS_REMOVE_irq.o = -pg endif -obj-y := enlighten.o setup.o multicalls.o mmu.o \ +obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ time.o xen-asm_$(BITS).o grant-table.o suspend.o obj-$(CONFIG_SMP) += smp.o spinlock.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index b795470ec069..cf8b3a93122b 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -30,7 +30,6 @@ #include #include #include -#include #include #include #include @@ -226,94 +225,6 @@ static unsigned long xen_get_debugreg(int reg) return HYPERVISOR_get_debugreg(reg); } -static unsigned long xen_save_fl(void) -{ - struct vcpu_info *vcpu; - unsigned long flags; - - vcpu = x86_read_percpu(xen_vcpu); - - /* flag has opposite sense of mask */ - flags = !vcpu->evtchn_upcall_mask; - - /* convert to IF type flag - -0 -> 0x00000000 - -1 -> 0xffffffff - */ - return (-flags) & X86_EFLAGS_IF; -} - -static void xen_restore_fl(unsigned long flags) -{ - struct vcpu_info *vcpu; - - /* convert from IF type flag */ - flags = !(flags & X86_EFLAGS_IF); - - /* There's a one instruction preempt window here. We need to - make sure we're don't switch CPUs between getting the vcpu - pointer and updating the mask. */ - preempt_disable(); - vcpu = x86_read_percpu(xen_vcpu); - vcpu->evtchn_upcall_mask = flags; - preempt_enable_no_resched(); - - /* Doesn't matter if we get preempted here, because any - pending event will get dealt with anyway. */ - - if (flags == 0) { - preempt_check_resched(); - barrier(); /* unmask then check (avoid races) */ - if (unlikely(vcpu->evtchn_upcall_pending)) - force_evtchn_callback(); - } -} - -static void xen_irq_disable(void) -{ - /* There's a one instruction preempt window here. We need to - make sure we're don't switch CPUs between getting the vcpu - pointer and updating the mask. */ - preempt_disable(); - x86_read_percpu(xen_vcpu)->evtchn_upcall_mask = 1; - preempt_enable_no_resched(); -} - -static void xen_irq_enable(void) -{ - struct vcpu_info *vcpu; - - /* We don't need to worry about being preempted here, since - either a) interrupts are disabled, so no preemption, or b) - the caller is confused and is trying to re-enable interrupts - on an indeterminate processor. */ - - vcpu = x86_read_percpu(xen_vcpu); - vcpu->evtchn_upcall_mask = 0; - - /* Doesn't matter if we get preempted here, because any - pending event will get dealt with anyway. */ - - barrier(); /* unmask then check (avoid races) */ - if (unlikely(vcpu->evtchn_upcall_pending)) - force_evtchn_callback(); -} - -static void xen_safe_halt(void) -{ - /* Blocking includes an implicit local_irq_enable(). */ - if (HYPERVISOR_sched_op(SCHEDOP_block, NULL) != 0) - BUG(); -} - -static void xen_halt(void) -{ - if (irqs_disabled()) - HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); - else - xen_safe_halt(); -} - static void xen_leave_lazy(void) { paravirt_leave_lazy(paravirt_get_lazy_mode()); @@ -1308,36 +1219,6 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = { }, }; -static void __init __xen_init_IRQ(void) -{ -#ifdef CONFIG_X86_64 - int i; - - /* Create identity vector->irq map */ - for(i = 0; i < NR_VECTORS; i++) { - int cpu; - - for_each_possible_cpu(cpu) - per_cpu(vector_irq, cpu)[i] = i; - } -#endif /* CONFIG_X86_64 */ - - xen_init_IRQ(); -} - -static const struct pv_irq_ops xen_irq_ops __initdata = { - .init_IRQ = __xen_init_IRQ, - .save_fl = xen_save_fl, - .restore_fl = xen_restore_fl, - .irq_disable = xen_irq_disable, - .irq_enable = xen_irq_enable, - .safe_halt = xen_safe_halt, - .halt = xen_halt, -#ifdef CONFIG_X86_64 - .adjust_exception_frame = xen_adjust_exception_frame, -#endif -}; - static const struct pv_apic_ops xen_apic_ops __initdata = { #ifdef CONFIG_X86_LOCAL_APIC .apic_write = xen_apic_write, @@ -1740,10 +1621,11 @@ asmlinkage void __init xen_start_kernel(void) pv_init_ops = xen_init_ops; pv_time_ops = xen_time_ops; pv_cpu_ops = xen_cpu_ops; - pv_irq_ops = xen_irq_ops; pv_apic_ops = xen_apic_ops; pv_mmu_ops = xen_mmu_ops; + xen_init_irq_ops(); + if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) { pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start; pv_mmu_ops.ptep_modify_prot_commit = xen_ptep_modify_prot_commit; diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c new file mode 100644 index 000000000000..28b85ab8422e --- /dev/null +++ b/arch/x86/xen/irq.c @@ -0,0 +1,143 @@ +#include + +#include +#include +#include + +#include +#include + +#include "xen-ops.h" + +/* + * Force a proper event-channel callback from Xen after clearing the + * callback mask. We do this in a very simple manner, by making a call + * down into Xen. The pending flag will be checked by Xen on return. + */ +void xen_force_evtchn_callback(void) +{ + (void)HYPERVISOR_xen_version(0, NULL); +} + +static void __init __xen_init_IRQ(void) +{ +#ifdef CONFIG_X86_64 + int i; + + /* Create identity vector->irq map */ + for(i = 0; i < NR_VECTORS; i++) { + int cpu; + + for_each_possible_cpu(cpu) + per_cpu(vector_irq, cpu)[i] = i; + } +#endif /* CONFIG_X86_64 */ + + xen_init_IRQ(); +} + +static unsigned long xen_save_fl(void) +{ + struct vcpu_info *vcpu; + unsigned long flags; + + vcpu = x86_read_percpu(xen_vcpu); + + /* flag has opposite sense of mask */ + flags = !vcpu->evtchn_upcall_mask; + + /* convert to IF type flag + -0 -> 0x00000000 + -1 -> 0xffffffff + */ + return (-flags) & X86_EFLAGS_IF; +} + +static void xen_restore_fl(unsigned long flags) +{ + struct vcpu_info *vcpu; + + /* convert from IF type flag */ + flags = !(flags & X86_EFLAGS_IF); + + /* There's a one instruction preempt window here. We need to + make sure we're don't switch CPUs between getting the vcpu + pointer and updating the mask. */ + preempt_disable(); + vcpu = x86_read_percpu(xen_vcpu); + vcpu->evtchn_upcall_mask = flags; + preempt_enable_no_resched(); + + /* Doesn't matter if we get preempted here, because any + pending event will get dealt with anyway. */ + + if (flags == 0) { + preempt_check_resched(); + barrier(); /* unmask then check (avoid races) */ + if (unlikely(vcpu->evtchn_upcall_pending)) + xen_force_evtchn_callback(); + } +} + +static void xen_irq_disable(void) +{ + /* There's a one instruction preempt window here. We need to + make sure we're don't switch CPUs between getting the vcpu + pointer and updating the mask. */ + preempt_disable(); + x86_read_percpu(xen_vcpu)->evtchn_upcall_mask = 1; + preempt_enable_no_resched(); +} + +static void xen_irq_enable(void) +{ + struct vcpu_info *vcpu; + + /* We don't need to worry about being preempted here, since + either a) interrupts are disabled, so no preemption, or b) + the caller is confused and is trying to re-enable interrupts + on an indeterminate processor. */ + + vcpu = x86_read_percpu(xen_vcpu); + vcpu->evtchn_upcall_mask = 0; + + /* Doesn't matter if we get preempted here, because any + pending event will get dealt with anyway. */ + + barrier(); /* unmask then check (avoid races) */ + if (unlikely(vcpu->evtchn_upcall_pending)) + xen_force_evtchn_callback(); +} + +static void xen_safe_halt(void) +{ + /* Blocking includes an implicit local_irq_enable(). */ + if (HYPERVISOR_sched_op(SCHEDOP_block, NULL) != 0) + BUG(); +} + +static void xen_halt(void) +{ + if (irqs_disabled()) + HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); + else + xen_safe_halt(); +} + +static const struct pv_irq_ops xen_irq_ops __initdata = { + .init_IRQ = __xen_init_IRQ, + .save_fl = xen_save_fl, + .restore_fl = xen_restore_fl, + .irq_disable = xen_irq_disable, + .irq_enable = xen_irq_enable, + .safe_halt = xen_safe_halt, + .halt = xen_halt, +#ifdef CONFIG_X86_64 + .adjust_exception_frame = xen_adjust_exception_frame, +#endif +}; + +void __init xen_init_irq_ops() +{ + pv_irq_ops = xen_irq_ops; +} diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S index 2497a30f41de..42786f59d9c0 100644 --- a/arch/x86/xen/xen-asm_32.S +++ b/arch/x86/xen/xen-asm_32.S @@ -298,7 +298,7 @@ check_events: push %eax push %ecx push %edx - call force_evtchn_callback + call xen_force_evtchn_callback pop %edx pop %ecx pop %eax diff --git a/arch/x86/xen/xen-asm_64.S b/arch/x86/xen/xen-asm_64.S index 7f58304fafb3..3b9bda46487a 100644 --- a/arch/x86/xen/xen-asm_64.S +++ b/arch/x86/xen/xen-asm_64.S @@ -122,7 +122,7 @@ check_events: push %r9 push %r10 push %r11 - call force_evtchn_callback + call xen_force_evtchn_callback pop %r11 pop %r10 pop %r9 diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 8847fb34f17e..3c70ebc50b1b 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -31,6 +31,7 @@ void xen_vcpu_restore(void); void __init xen_build_dynamic_phys_to_machine(void); +void xen_init_irq_ops(void); void xen_setup_timer(int cpu); void xen_setup_cpu_clockevents(void); unsigned long xen_tsc_khz(void); diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 0e0c28574af8..a0837036d898 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -84,17 +84,6 @@ static int irq_bindcount[NR_IRQS]; /* Xen will never allocate port zero for any purpose. */ #define VALID_EVTCHN(chn) ((chn) != 0) -/* - * Force a proper event-channel callback from Xen after clearing the - * callback mask. We do this in a very simple manner, by making a call - * down into Xen. The pending flag will be checked by Xen on return. - */ -void force_evtchn_callback(void) -{ - (void)HYPERVISOR_xen_version(0, NULL); -} -EXPORT_SYMBOL_GPL(force_evtchn_callback); - static struct irq_chip xen_dynamic_chip; /* Constructor for packed IRQ information. */ -- GitLab From cef43bf6b3afd819f7cdcba356af0e8220fb3789 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 28 Jul 2008 13:33:44 -0700 Subject: [PATCH 0220/6244] xen: fix allocation and use of large ldts, cleanup Add a proper comment for set_aliased_prot() and fix an unsigned long/void * warning. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index cf8b3a93122b..04ec69e4d02e 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -237,8 +237,10 @@ static unsigned long xen_store_tr(void) } /* - * If 'v' is a vmalloc mapping, then find the linear mapping of the - * page (if any) and also set its protections to match: + * Set the page permissions for a particular virtual address. If the + * address is a vmalloc mapping (or other non-linear mapping), then + * find the linear mapping of the page and also set its protections to + * match. */ static void set_aliased_prot(void *v, pgprot_t prot) { @@ -387,8 +389,7 @@ static void xen_load_gs_index(unsigned int idx) static void xen_write_ldt_entry(struct desc_struct *dt, int entrynum, const void *ptr) { - unsigned long lp = (unsigned long)&dt[entrynum]; - xmaddr_t mach_lp = arbitrary_virt_to_machine(lp); + xmaddr_t mach_lp = arbitrary_virt_to_machine(&dt[entrynum]); u64 entry = *(u64 *)ptr; preempt_disable(); -- GitLab From 169ad16bb87c10a3f7c108bb7008ebc0270f617a Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Mon, 28 Jul 2008 18:32:09 -0300 Subject: [PATCH 0221/6244] xen_alloc_ptpage: cast PFN_PHYS() argument to unsigned long Currently paravirt_ops alloc_p*() uses u32 for the pfn args. We should change that later, but while the pfn parameter is still u32, we need to cast the PFN_PHYS() argument at xen_alloc_ptpage() to unsigned long, otherwise it will lose bits on the shift. I think PFN_PHYS() should behave better when fed with smaller integers, but a cast to unsigned long won't be enough for all cases on 32-bit PAE, and a cast to u64 would be overkill for most users of PFN_PHYS(). We could have two different flavors of PFN_PHYS: one for low pages only (unsigned long) and another that works for any page (u64)), but while we don't have it, we will need the cast to unsigned long on xen_alloc_ptpage(). Signed-off-by: Eduardo Habkost Acked-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 04ec69e4d02e..53afa14eb314 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -822,7 +822,7 @@ static void xen_alloc_ptpage(struct mm_struct *mm, u32 pfn, unsigned level) SetPagePinned(page); if (!PageHighMem(page)) { - make_lowmem_page_readonly(__va(PFN_PHYS(pfn))); + make_lowmem_page_readonly(__va(PFN_PHYS((unsigned long)pfn))); if (level == PT_PTE) pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE, pfn); } else -- GitLab From 7de08b4e1ed8d80e6086f71b7e99fc4b397aae39 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:51 -0300 Subject: [PATCH 0222/6244] x86: coding styles fixes to arch/x86/kernel/process_64.c Fix about 50 errors and many warnings without change process_64.o arch/x86/kernel/process_64.o: text data bss dec hex filename 5236 8 24 5268 1494 process_64.o.after 5236 8 24 5268 1494 process_64.o.before md5: 9c35e9debdea4e471288c6e8ca267a75 process_64.o.after 9c35e9debdea4e471288c6e8ca267a75 process_64.o.before Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_64.c | 101 +++++++++++++++++------------------ 1 file changed, 50 insertions(+), 51 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 3fb62a7d9a16..4da8514dd25c 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -37,11 +37,11 @@ #include #include #include +#include +#include -#include #include #include -#include #include #include #include @@ -88,7 +88,7 @@ void exit_idle(void) #ifdef CONFIG_HOTPLUG_CPU DECLARE_PER_CPU(int, cpu_state); -#include +#include /* We halt the CPU with physical CPU hotplug */ static inline void play_dead(void) { @@ -152,7 +152,7 @@ void cpu_idle(void) } /* Prints also some state that isn't saved in the pt_regs */ -void __show_regs(struct pt_regs * regs) +void __show_regs(struct pt_regs *regs) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs; unsigned long d0, d1, d2, d3, d6, d7; @@ -177,28 +177,28 @@ void __show_regs(struct pt_regs * regs) printk("RBP: %016lx R08: %016lx R09: %016lx\n", regs->bp, regs->r8, regs->r9); printk("R10: %016lx R11: %016lx R12: %016lx\n", - regs->r10, regs->r11, regs->r12); + regs->r10, regs->r11, regs->r12); printk("R13: %016lx R14: %016lx R15: %016lx\n", - regs->r13, regs->r14, regs->r15); + regs->r13, regs->r14, regs->r15); - asm("movl %%ds,%0" : "=r" (ds)); - asm("movl %%cs,%0" : "=r" (cs)); - asm("movl %%es,%0" : "=r" (es)); + asm("movl %%ds,%0" : "=r" (ds)); + asm("movl %%cs,%0" : "=r" (cs)); + asm("movl %%es,%0" : "=r" (es)); asm("movl %%fs,%0" : "=r" (fsindex)); asm("movl %%gs,%0" : "=r" (gsindex)); rdmsrl(MSR_FS_BASE, fs); - rdmsrl(MSR_GS_BASE, gs); - rdmsrl(MSR_KERNEL_GS_BASE, shadowgs); + rdmsrl(MSR_GS_BASE, gs); + rdmsrl(MSR_KERNEL_GS_BASE, shadowgs); cr0 = read_cr0(); cr2 = read_cr2(); cr3 = read_cr3(); cr4 = read_cr4(); - printk("FS: %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n", - fs,fsindex,gs,gsindex,shadowgs); - printk("CS: %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, es, cr0); + printk("FS: %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n", + fs, fsindex, gs, gsindex, shadowgs); + printk("CS: %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, es, cr0); printk("CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3, cr4); get_debugreg(d0, 0); @@ -314,10 +314,10 @@ void prepare_to_copy(struct task_struct *tsk) int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, unsigned long unused, - struct task_struct * p, struct pt_regs * regs) + struct task_struct *p, struct pt_regs *regs) { int err; - struct pt_regs * childregs; + struct pt_regs *childregs; struct task_struct *me = current; childregs = ((struct pt_regs *) @@ -362,10 +362,10 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, if (test_thread_flag(TIF_IA32)) err = do_set_thread_area(p, -1, (struct user_desc __user *)childregs->si, 0); - else -#endif - err = do_arch_prctl(p, ARCH_SET_FS, childregs->r8); - if (err) + else +#endif + err = do_arch_prctl(p, ARCH_SET_FS, childregs->r8); + if (err) goto out; } err = 0; @@ -544,7 +544,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) unsigned fsindex, gsindex; /* we're going to use this soon, after a few expensive things */ - if (next_p->fpu_counter>5) + if (next_p->fpu_counter > 5) prefetch(next->xstate); /* @@ -552,13 +552,13 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) */ load_sp0(tss, next); - /* + /* * Switch DS and ES. * This won't pick up thread selector changes, but I guess that is ok. */ savesegment(es, prev->es); if (unlikely(next->es | prev->es)) - loadsegment(es, next->es); + loadsegment(es, next->es); savesegment(ds, prev->ds); if (unlikely(next->ds | prev->ds)) @@ -584,7 +584,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) */ arch_leave_lazy_cpu_mode(); - /* + /* * Switch FS and GS. * * Segment register != 0 always requires a reload. Also @@ -593,13 +593,13 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) */ if (unlikely(fsindex | next->fsindex | prev->fs)) { loadsegment(fs, next->fsindex); - /* + /* * Check if the user used a selector != 0; if yes * clear 64bit base, since overloaded base is always * mapped to the Null selector */ if (fsindex) - prev->fs = 0; + prev->fs = 0; } /* when next process has a 64bit base use it */ if (next->fs) @@ -609,7 +609,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) if (unlikely(gsindex | next->gsindex | prev->gs)) { load_gs_index(next->gsindex); if (gsindex) - prev->gs = 0; + prev->gs = 0; } if (next->gs) wrmsrl(MSR_KERNEL_GS_BASE, next->gs); @@ -618,12 +618,12 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) /* Must be after DS reload */ unlazy_fpu(prev_p); - /* + /* * Switch the PDA and FPU contexts. */ prev->usersp = read_pda(oldrsp); write_pda(oldrsp, next->usersp); - write_pda(pcurrent, next_p); + write_pda(pcurrent, next_p); write_pda(kernelstack, (unsigned long)task_stack_page(next_p) + @@ -664,7 +664,7 @@ long sys_execve(char __user *name, char __user * __user *argv, char __user * __user *envp, struct pt_regs *regs) { long error; - char * filename; + char *filename; filename = getname(name); error = PTR_ERR(filename); @@ -722,55 +722,55 @@ asmlinkage long sys_vfork(struct pt_regs *regs) unsigned long get_wchan(struct task_struct *p) { unsigned long stack; - u64 fp,ip; + u64 fp, ip; int count = 0; - if (!p || p == current || p->state==TASK_RUNNING) - return 0; + if (!p || p == current || p->state == TASK_RUNNING) + return 0; stack = (unsigned long)task_stack_page(p); if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE) return 0; fp = *(u64 *)(p->thread.sp); - do { + do { if (fp < (unsigned long)stack || fp > (unsigned long)stack+THREAD_SIZE) - return 0; + return 0; ip = *(u64 *)(fp+8); if (!in_sched_functions(ip)) return ip; - fp = *(u64 *)fp; - } while (count++ < 16); + fp = *(u64 *)fp; + } while (count++ < 16); return 0; } long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) -{ - int ret = 0; +{ + int ret = 0; int doit = task == current; int cpu; - switch (code) { + switch (code) { case ARCH_SET_GS: if (addr >= TASK_SIZE_OF(task)) - return -EPERM; + return -EPERM; cpu = get_cpu(); - /* handle small bases via the GDT because that's faster to + /* handle small bases via the GDT because that's faster to switch. */ - if (addr <= 0xffffffff) { - set_32bit_tls(task, GS_TLS, addr); - if (doit) { + if (addr <= 0xffffffff) { + set_32bit_tls(task, GS_TLS, addr); + if (doit) { load_TLS(&task->thread, cpu); - load_gs_index(GS_TLS_SEL); + load_gs_index(GS_TLS_SEL); } - task->thread.gsindex = GS_TLS_SEL; + task->thread.gsindex = GS_TLS_SEL; task->thread.gs = 0; - } else { + } else { task->thread.gsindex = 0; task->thread.gs = addr; if (doit) { load_gs_index(0); ret = checking_wrmsrl(MSR_KERNEL_GS_BASE, addr); - } + } } put_cpu(); break; @@ -824,8 +824,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) rdmsrl(MSR_KERNEL_GS_BASE, base); else base = task->thread.gs; - } - else + } else base = task->thread.gs; ret = put_user(base, (unsigned long __user *)addr); break; -- GitLab From 8092c654de9a964c14d89da56834f73a80548a58 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:52 -0300 Subject: [PATCH 0223/6244] x86: add KERN_INFO to printks on process_64.c Fix many coding style warnings. Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_64.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 4da8514dd25c..3560d7f4d74e 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -161,24 +161,24 @@ void __show_regs(struct pt_regs *regs) printk("\n"); print_modules(); - printk("Pid: %d, comm: %.20s %s %s %.*s\n", + printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s\n", current->pid, current->comm, print_tainted(), init_utsname()->release, (int)strcspn(init_utsname()->version, " "), init_utsname()->version); - printk("RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip); + printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip); printk_address(regs->ip, 1); - printk("RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, regs->sp, - regs->flags); - printk("RAX: %016lx RBX: %016lx RCX: %016lx\n", + printk(KERN_INFO "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, + regs->sp, regs->flags); + printk(KERN_INFO "RAX: %016lx RBX: %016lx RCX: %016lx\n", regs->ax, regs->bx, regs->cx); - printk("RDX: %016lx RSI: %016lx RDI: %016lx\n", + printk(KERN_INFO "RDX: %016lx RSI: %016lx RDI: %016lx\n", regs->dx, regs->si, regs->di); - printk("RBP: %016lx R08: %016lx R09: %016lx\n", + printk(KERN_INFO "RBP: %016lx R08: %016lx R09: %016lx\n", regs->bp, regs->r8, regs->r9); - printk("R10: %016lx R11: %016lx R12: %016lx\n", + printk(KERN_INFO "R10: %016lx R11: %016lx R12: %016lx\n", regs->r10, regs->r11, regs->r12); - printk("R13: %016lx R14: %016lx R15: %016lx\n", + printk(KERN_INFO "R13: %016lx R14: %016lx R15: %016lx\n", regs->r13, regs->r14, regs->r15); asm("movl %%ds,%0" : "=r" (ds)); @@ -196,24 +196,26 @@ void __show_regs(struct pt_regs *regs) cr3 = read_cr3(); cr4 = read_cr4(); - printk("FS: %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n", + printk(KERN_INFO "FS: %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n", fs, fsindex, gs, gsindex, shadowgs); - printk("CS: %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, es, cr0); - printk("CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3, cr4); + printk(KERN_INFO "CS: %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, + es, cr0); + printk(KERN_INFO "CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3, + cr4); get_debugreg(d0, 0); get_debugreg(d1, 1); get_debugreg(d2, 2); - printk("DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2); + printk(KERN_INFO "DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2); get_debugreg(d3, 3); get_debugreg(d6, 6); get_debugreg(d7, 7); - printk("DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7); + printk(KERN_INFO "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7); } void show_regs(struct pt_regs *regs) { - printk("CPU %d:", smp_processor_id()); + printk(KERN_INFO "CPU %d:", smp_processor_id()); __show_regs(regs); show_trace(NULL, regs, (void *)(regs + 1), regs->bp); } -- GitLab From 08aadf069d0482ade033badefa8f03eb2fcddd9c Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:53 -0300 Subject: [PATCH 0224/6244] x86: coding style fixes to arch/x86/kernel/crash_dump_64.c Fix conding style without change crash_dump_64.o arch/x86/kernel/crash_dump_64.o text data bss dec hex filename 129 0 0 129 81 crash_dump_64.o.after 129 0 0 129 81 crash_dump_64.o.before md5: 885b52c1b92737e6b12e5107e90fc1f1 crash_dump_64.o.after 885b52c1b92737e6b12e5107e90fc1f1 crash_dump_64.o.before Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/crash_dump_64.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c index 15e6c6bc4a46..d3e524c84527 100644 --- a/arch/x86/kernel/crash_dump_64.c +++ b/arch/x86/kernel/crash_dump_64.c @@ -7,9 +7,8 @@ #include #include - -#include -#include +#include +#include /** * copy_oldmem_page - copy one page from "oldmem" @@ -25,7 +24,7 @@ * in the current kernel. We stitch up a pte, similar to kmap_atomic. */ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - size_t csize, unsigned long offset, int userbuf) + size_t csize, unsigned long offset, int userbuf) { void *vaddr; -- GitLab From caa007dd3687d38a0252484d9d0a8f9d929ba932 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:54 -0300 Subject: [PATCH 0225/6244] x86: coding style fixes to arch/x86/kernel/signal_64.c Fix all errors and many warnings reported by checkpatch.pl without change signal_64.o arch/x86/kernel/signal_64.o text data bss dec hex filename 5143 0 8 5151 141f signal_64.o.after 5143 0 8 5151 141f signal_64.o.before md5: e68718092b3641cb27e79e55ce57e3ad signal_64.o.after e68718092b3641cb27e79e55ce57e3ad signal_64.o.before Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/sigframe.h | 5 +++ arch/x86/kernel/signal_64.c | 62 ++++++++++++++++++------------------- 2 files changed, 35 insertions(+), 32 deletions(-) diff --git a/arch/x86/kernel/sigframe.h b/arch/x86/kernel/sigframe.h index 72bbb519d2dc..8b4956e800ac 100644 --- a/arch/x86/kernel/sigframe.h +++ b/arch/x86/kernel/sigframe.h @@ -24,4 +24,9 @@ struct rt_sigframe { struct ucontext uc; struct siginfo info; }; + +int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, + sigset_t *set, struct pt_regs *regs); +int ia32_setup_frame(int sig, struct k_sigaction *ka, + sigset_t *set, struct pt_regs *regs); #endif diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index b45ef8ddd651..87a9c2f28d99 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -19,9 +19,10 @@ #include #include #include +#include + #include #include -#include #include #include #include @@ -41,11 +42,6 @@ # define FIX_EFLAGS __FIX_EFLAGS #endif -int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs); -int ia32_setup_frame(int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs * regs); - asmlinkage long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs *regs) @@ -119,7 +115,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, /* Always make any pending restarted system calls return -EINTR */ current_thread_info()->restart_block.fn = do_no_restart_syscall; -#define COPY(x) err |= __get_user(regs->x, &sc->x) +#define COPY(x) (err |= __get_user(regs->x, &sc->x)) COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx); COPY(dx); COPY(cx); COPY(ip); @@ -149,7 +145,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, } { - struct _fpstate __user * buf; + struct _fpstate __user *buf; err |= __get_user(buf, &sc->fpstate); if (buf) { @@ -189,7 +185,7 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) current->blocked = set; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - + if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ax)) goto badframe; @@ -199,16 +195,17 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) return ax; badframe: - signal_fault(regs,frame,"sigreturn"); + signal_fault(regs, frame, "sigreturn"); return 0; -} +} /* * Set up a signal frame. */ static inline int -setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned long mask, struct task_struct *me) +setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, + unsigned long mask, struct task_struct *me) { int err = 0; @@ -264,35 +261,35 @@ get_stack(struct k_sigaction *ka, struct pt_regs *regs, unsigned long size) } static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) + sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; - struct _fpstate __user *fp = NULL; + struct _fpstate __user *fp = NULL; int err = 0; struct task_struct *me = current; if (used_math()) { - fp = get_stack(ka, regs, sizeof(struct _fpstate)); + fp = get_stack(ka, regs, sizeof(struct _fpstate)); frame = (void __user *)round_down( (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8; if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) goto give_sigsegv; - if (save_i387(fp) < 0) - err |= -1; + if (save_i387(fp) < 0) + err |= -1; } else frame = get_stack(ka, regs, sizeof(struct rt_sigframe)) - 8; if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; - if (ka->sa.sa_flags & SA_SIGINFO) { + if (ka->sa.sa_flags & SA_SIGINFO) { err |= copy_siginfo_to_user(&frame->info, info); if (err) goto give_sigsegv; } - + /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); err |= __put_user(0, &frame->uc.uc_link); @@ -302,9 +299,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(me->sas_ss_size, &frame->uc.uc_stack.ss_size); err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, set->sig[0], me); err |= __put_user(fp, &frame->uc.uc_mcontext.fpstate); - if (sizeof(*set) == 16) { + if (sizeof(*set) == 16) { __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]); - __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]); + __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]); } else err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); @@ -315,7 +312,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(ka->sa.sa_restorer, &frame->pretcode); } else { /* could use a vstub here */ - goto give_sigsegv; + goto give_sigsegv; } if (err) @@ -323,7 +320,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up registers for signal handler */ regs->di = sig; - /* In case the signal handler was declared without prototypes */ + /* In case the signal handler was declared without prototypes */ regs->ax = 0; /* This also works for non SA_SIGINFO handlers because they expect the @@ -376,7 +373,7 @@ static long current_syscall_ret(struct pt_regs *regs) /* * OK, we're invoking a handler - */ + */ static int handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, @@ -420,7 +417,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, ret = ia32_setup_rt_frame(sig, ka, info, oldset, regs); else ret = ia32_setup_frame(sig, ka, oldset, regs); - } else + } else #endif ret = setup_rt_frame(sig, ka, info, oldset, regs); @@ -448,9 +445,9 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, ptrace_notify(SIGTRAP); spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); + sigaddset(¤t->blocked, sig); recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); } @@ -552,14 +549,15 @@ void do_notify_resume(struct pt_regs *regs, void *unused, } void signal_fault(struct pt_regs *regs, void __user *frame, char *where) -{ - struct task_struct *me = current; +{ + struct task_struct *me = current; if (show_unhandled_signals && printk_ratelimit()) { printk("%s[%d] bad frame in %s frame:%p ip:%lx sp:%lx orax:%lx", - me->comm,me->pid,where,frame,regs->ip,regs->sp,regs->orig_ax); + me->comm, me->pid, where, frame, regs->ip, + regs->sp, regs->orig_ax); print_vma_addr(" in ", regs->ip); printk("\n"); } - force_sig(SIGSEGV, me); -} + force_sig(SIGSEGV, me); +} -- GitLab From 4df9e510a9fda29aca71d8acac853b98aa6884d1 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:55 -0300 Subject: [PATCH 0226/6244] x86: coding style fixes to arch/x86/kernel/traps_64.c Fix all errors and many warnings reported by checkpath.pl. Except the change of include to the traps.o before and after changes are the same. Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 59 +++++++++++++++++++++----------------- 1 file changed, 32 insertions(+), 27 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 3f18d73f420c..fe36d96ba70b 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -32,6 +32,8 @@ #include #include #include +#include +#include #if defined(CONFIG_EDAC) #include @@ -45,9 +47,6 @@ #include #include #include -#include -#include -#include #include #include #include @@ -85,7 +84,8 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) void printk_address(unsigned long address, int reliable) { - printk(" [<%016lx>] %s%pS\n", address, reliable ? "": "? ", (void *) address); + printk(" [<%016lx>] %s%pS\n", address, reliable ? + "" : "? ", (void *) address); } static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, @@ -98,7 +98,8 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, [STACKFAULT_STACK - 1] = "#SS", [MCE_STACK - 1] = "#MC", #if DEBUG_STKSZ > EXCEPTION_STKSZ - [N_EXCEPTION_STACKS ... N_EXCEPTION_STACKS + DEBUG_STKSZ / EXCEPTION_STKSZ - 2] = "#DB[?]" + [N_EXCEPTION_STACKS ... N_EXCEPTION_STACKS + DEBUG_STKSZ / + EXCEPTION_STKSZ - 2] = "#DB[?]" #endif }; unsigned k; @@ -163,7 +164,7 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, } /* - * x86-64 can have up to three kernel stacks: + * x86-64 can have up to three kernel stacks: * process stack * interrupt stack * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack @@ -219,7 +220,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, const struct stacktrace_ops *ops, void *data) { const unsigned cpu = get_cpu(); - unsigned long *irqstack_end = (unsigned long*)cpu_pda(cpu)->irqstackptr; + unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; unsigned used = 0; struct thread_info *tinfo; @@ -237,7 +238,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!bp) { if (task == current) { /* Grab bp right from our regs */ - asm("movq %%rbp, %0" : "=r" (bp) :); + asm("movq %%rbp, %0" : "=r" (bp) : ); } else { /* bp is the last reg pushed by switch_to */ bp = *(unsigned long *) task->thread.sp; @@ -357,11 +358,13 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack; int i; const int cpu = smp_processor_id(); - unsigned long *irqstack_end = (unsigned long *) (cpu_pda(cpu)->irqstackptr); - unsigned long *irqstack = (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); + unsigned long *irqstack_end = + (unsigned long *) (cpu_pda(cpu)->irqstackptr); + unsigned long *irqstack = + (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); - // debugging aid: "show_stack(NULL, NULL);" prints the - // back trace for this cpu. + /* debugging aid: "show_stack(NULL, NULL);" prints the + back trace for this cpu. */ if (sp == NULL) { if (task) @@ -404,7 +407,7 @@ void dump_stack(void) #ifdef CONFIG_FRAME_POINTER if (!bp) - asm("movq %%rbp, %0" : "=r" (bp):); + asm("movq %%rbp, %0" : "=r" (bp) : ); #endif printk("Pid: %d, comm: %.20s %s %s %.*s\n", @@ -414,7 +417,6 @@ void dump_stack(void) init_utsname()->version); show_trace(NULL, NULL, &stack, bp); } - EXPORT_SYMBOL(dump_stack); void show_registers(struct pt_regs *regs) @@ -493,7 +495,7 @@ unsigned __kprobes long oops_begin(void) raw_local_irq_save(flags); cpu = smp_processor_id(); if (!__raw_spin_trylock(&die_lock)) { - if (cpu == die_owner) + if (cpu == die_owner) /* nested oops. should stop eventually */; else __raw_spin_lock(&die_lock); @@ -638,7 +640,7 @@ kernel_trap: } #define DO_ERROR(trapnr, signr, str, name) \ -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ +asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ @@ -648,7 +650,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ } #define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -asmlinkage void do_##name(struct pt_regs * regs, long error_code) \ +asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -683,7 +685,7 @@ asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) preempt_conditional_cli(regs); } -asmlinkage void do_double_fault(struct pt_regs * regs, long error_code) +asmlinkage void do_double_fault(struct pt_regs *regs, long error_code) { static const char str[] = "double fault"; struct task_struct *tsk = current; @@ -778,9 +780,10 @@ io_check_error(unsigned char reason, struct pt_regs *regs) } static notrace __kprobes void -unknown_nmi_error(unsigned char reason, struct pt_regs * regs) +unknown_nmi_error(unsigned char reason, struct pt_regs *regs) { - if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP) + if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == + NOTIFY_STOP) return; printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n", reason); @@ -882,7 +885,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) else if (user_mode(eregs)) regs = task_pt_regs(current); /* Exception from kernel and interrupts are enabled. Move to - kernel process stack. */ + kernel process stack. */ else if (eregs->flags & X86_EFLAGS_IF) regs = (struct pt_regs *)(eregs->sp -= sizeof(struct pt_regs)); if (eregs != regs) @@ -891,7 +894,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) } /* runs on IST stack. */ -asmlinkage void __kprobes do_debug(struct pt_regs * regs, +asmlinkage void __kprobes do_debug(struct pt_regs *regs, unsigned long error_code) { struct task_struct *tsk = current; @@ -1035,7 +1038,7 @@ asmlinkage void do_coprocessor_error(struct pt_regs *regs) asmlinkage void bad_intr(void) { - printk("bad interrupt"); + printk("bad interrupt"); } asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs) @@ -1047,7 +1050,7 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs) conditional_sti(regs); if (!user_mode(regs) && - kernel_math_error(regs, "kernel simd math error", 19)) + kernel_math_error(regs, "kernel simd math error", 19)) return; /* @@ -1092,7 +1095,7 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_spurious_interrupt_bug(struct pt_regs * regs) +asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs) { } @@ -1142,8 +1145,10 @@ void __init trap_init(void) set_intr_gate(0, ÷_error); set_intr_gate_ist(1, &debug, DEBUG_STACK); set_intr_gate_ist(2, &nmi, NMI_STACK); - set_system_gate_ist(3, &int3, DEBUG_STACK); /* int3 can be called from all */ - set_system_gate(4, &overflow); /* int4 can be called from all */ + /* int3 can be called from all */ + set_system_gate_ist(3, &int3, DEBUG_STACK); + /* int4 can be called from all */ + set_system_gate(4, &overflow); set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); -- GitLab From e9c8abb66cc37801bdb5d4360bb78d180c3bbb73 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Tue, 29 Jul 2008 02:48:56 -0300 Subject: [PATCH 0227/6244] x86: coding style fixes to arch/x86/kernel/sys_x86_64.c Fix all errors and many warnings reported by checkpatch.pl without change sys_x86_64.o arch/x86/kernel/sys_x86_64.o: text data bss dec hex filename 1567 0 0 1567 61f sys_x86_64.o.after 1567 0 0 1567 61f sys_x86_64.o.before md5: de28ffedcb5851dfd7ec87a03afec1fd sys_x86_64.o.after de28ffedcb5851dfd7ec87a03afec1fd sys_x86_64.o.before Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/sys_x86_64.c | 43 ++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 3b360ef33817..56eb8f916e9f 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -13,15 +13,16 @@ #include #include #include +#include -#include #include -asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long off) +asmlinkage long sys_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long off) { long error; - struct file * file; + struct file *file; error = -EINVAL; if (off & ~PAGE_MASK) @@ -56,9 +57,9 @@ static void find_start_end(unsigned long flags, unsigned long *begin, unmapped base down for this case. This can give conflicts with the heap, but we assume that glibc malloc knows how to fall back to mmap. Give it 1GB - of playground for now. -AK */ - *begin = 0x40000000; - *end = 0x80000000; + of playground for now. -AK */ + *begin = 0x40000000; + *end = 0x80000000; if (current->flags & PF_RANDOMIZE) { new_begin = randomize_range(*begin, *begin + 0x02000000, 0); if (new_begin) @@ -66,9 +67,9 @@ static void find_start_end(unsigned long flags, unsigned long *begin, } } else { *begin = TASK_UNMAPPED_BASE; - *end = TASK_SIZE; + *end = TASK_SIZE; } -} +} unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, @@ -78,11 +79,11 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, struct vm_area_struct *vma; unsigned long start_addr; unsigned long begin, end; - + if (flags & MAP_FIXED) return addr; - find_start_end(flags, &begin, &end); + find_start_end(flags, &begin, &end); if (len > end) return -ENOMEM; @@ -96,12 +97,12 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, } if (((flags & MAP_32BIT) || test_thread_flag(TIF_IA32)) && len <= mm->cached_hole_size) { - mm->cached_hole_size = 0; + mm->cached_hole_size = 0; mm->free_area_cache = begin; } addr = mm->free_area_cache; - if (addr < begin) - addr = begin; + if (addr < begin) + addr = begin; start_addr = addr; full_search: @@ -127,7 +128,7 @@ full_search: return addr; } if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; + mm->cached_hole_size = vma->vm_start - addr; addr = vma->vm_end; } @@ -177,7 +178,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr-len); if (!vma || addr <= vma->vm_start) /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); + return mm->free_area_cache = addr-len; } if (mm->mmap_base < len) @@ -194,7 +195,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr); if (!vma || addr+len <= vma->vm_start) /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); + return mm->free_area_cache = addr; /* remember the largest hole we saw so far */ if (addr + mm->cached_hole_size < vma->vm_start) @@ -224,13 +225,13 @@ bottomup: } -asmlinkage long sys_uname(struct new_utsname __user * name) +asmlinkage long sys_uname(struct new_utsname __user *name) { int err; down_read(&uts_sem); - err = copy_to_user(name, utsname(), sizeof (*name)); + err = copy_to_user(name, utsname(), sizeof(*name)); up_read(&uts_sem); - if (personality(current->personality) == PER_LINUX32) - err |= copy_to_user(&name->machine, "i686", 5); + if (personality(current->personality) == PER_LINUX32) + err |= copy_to_user(&name->machine, "i686", 5); return err ? -EFAULT : 0; } -- GitLab From 64a76f667d987a559ad0726b4692c987800b22bc Mon Sep 17 00:00:00 2001 From: David Brownell Date: Tue, 29 Jul 2008 12:47:38 -0700 Subject: [PATCH 0228/6244] hpet: /dev/hpet - fixes and cleanup Minor /dev/hpet updates and bugfixes: * Remove dead code, mostly remnants of an incomplete/unusable kernel interface ... noted when addressing "sparse" warnings: + hpet_unregister() and a routine it calls + hpet_task and all references, including hpet_task_lock + hpet_data.hd_flags (and HPET_DATA_PLATFORM) * Correct and improve boot message: + displays *counter* (shared between comparators) bit width, not *timer* bit widths (which are often mixed) + relabel "timers" as "comparators"; this is less confusing, they are not independent like normal timers are (sigh) + display MHz not Hz; it's never less than 10 MHz. * Tighten and correct the userspace interface code + don't accidentally program comparators in 64-bit mode using 32-bit values ... always force comparators into 32-bit mode + provide the correct bit definition flagging comparators with periodic capability ... the ABI is unchanged * Update Documentation/hpet.txt + be more correct and current + expand description a bit + don't mention that now-gone kernel interface Plus, add a FIXME comment for something that could cause big trouble on systems with more capable HPETs than at least Intel seems to ship. It seems that few folk use this userspace interface; it's not very usable given the general lack of HPET IRQ routing. I'm told that the only real point of it any more is to mmap for fast timestamps; IMO that's handled better through the gettimeofday() vsyscall. Signed-off-by: David Brownell Acked-by: Clemens Ladisch Signed-off-by: Ingo Molnar --- Documentation/timers/hpet.txt | 43 ++++++++--------- arch/x86/kernel/hpet.c | 6 ++- drivers/char/hpet.c | 90 ++++++++++------------------------- include/linux/hpet.h | 11 +---- 4 files changed, 51 insertions(+), 99 deletions(-) diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt index 6ad52d9dad6c..e7c09abcfab4 100644 --- a/Documentation/timers/hpet.txt +++ b/Documentation/timers/hpet.txt @@ -1,21 +1,32 @@ High Precision Event Timer Driver for Linux -The High Precision Event Timer (HPET) hardware is the future replacement -for the 8254 and Real Time Clock (RTC) periodic timer functionality. -Each HPET can have up to 32 timers. It is possible to configure the -first two timers as legacy replacements for 8254 and RTC periodic timers. -A specification done by Intel and Microsoft can be found at -. +The High Precision Event Timer (HPET) hardware follows a specification +by Intel and Microsoft which can be found at + + http://www.intel.com/technology/architecture/hpetspec.htm + +Each HPET has one fixed-rate counter (at 10+ MHz, hence "High Precision") +and up to 32 comparators. Normally three or more comparators are provided, +each of which can generate oneshot interupts and at least one of which has +additional hardware to support periodic interrupts. The comparators are +also called "timers", which can be misleading since usually timers are +independent of each other ... these share a counter, complicating resets. + +HPET devices can support two interrupt routing modes. In one mode, the +comparators are additional interrupt sources with no particular system +role. Many x86 BIOS writers don't route HPET interrupts at all, which +prevents use of that mode. They support the other "legacy replacement" +mode where the first two comparators block interrupts from 8254 timers +and from the RTC. The driver supports detection of HPET driver allocation and initialization of the HPET before the driver module_init routine is called. This enables platform code which uses timer 0 or 1 as the main timer to intercept HPET initialization. An example of this initialization can be found in -arch/i386/kernel/time_hpet.c. +arch/x86/kernel/hpet.c. -The driver provides two APIs which are very similar to the API found in -the rtc.c driver. There is a user space API and a kernel space API. -An example user space program is provided below. +The driver provides a userspace API which resembles the API found in the +RTC driver framework. An example user space program is provided below. #include #include @@ -286,15 +297,3 @@ out: return; } - -The kernel API has three interfaces exported from the driver: - - hpet_register(struct hpet_task *tp, int periodic) - hpet_unregister(struct hpet_task *tp) - hpet_control(struct hpet_task *tp, unsigned int cmd, unsigned long arg) - -The kernel module using this interface fills in the ht_func and ht_data -members of the hpet_task structure before calling hpet_register. -hpet_control simply vectors to the hpet_ioctl routine and has the same -commands and respective arguments as the user API. hpet_unregister -is used to terminate usage of the HPET timer reserved by hpet_register. diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index ad2b15a1334d..82d459186fd8 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -115,13 +115,17 @@ static void hpet_reserve_platform_timers(unsigned long id) hd.hd_phys_address = hpet_address; hd.hd_address = hpet; hd.hd_nirqs = nrtimers; - hd.hd_flags = HPET_DATA_PLATFORM; hpet_reserve_timer(&hd, 0); #ifdef CONFIG_HPET_EMULATE_RTC hpet_reserve_timer(&hd, 1); #endif + /* + * NOTE that hd_irq[] reflects IOAPIC input pins (LEGACY_8254 + * is wrong for i8259!) not the output IRQ. Many BIOS writers + * don't bother configuring *any* comparator interrupts. + */ hd.hd_irq[0] = HPET_LEGACY_8254; hd.hd_irq[1] = HPET_LEGACY_RTC; diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index f3981ffe20f0..4bc1da4d4f80 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -53,6 +53,11 @@ #define HPET_RANGE_SIZE 1024 /* from HPET spec */ + +/* WARNING -- don't get confused. These macros are never used + * to write the (single) counter, and rarely to read it. + * They're badly named; to fix, someday. + */ #if BITS_PER_LONG == 64 #define write_counter(V, MC) writeq(V, MC) #define read_counter(MC) readq(MC) @@ -77,7 +82,7 @@ static struct clocksource clocksource_hpet = { .rating = 250, .read = read_hpet, .mask = CLOCKSOURCE_MASK(64), - .mult = 0, /*to be caluclated*/ + .mult = 0, /* to be calculated */ .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -86,8 +91,6 @@ static struct clocksource *hpet_clocksource; /* A lock for concurrent access by app and isr hpet activity. */ static DEFINE_SPINLOCK(hpet_lock); -/* A lock for concurrent intermodule access to hpet and isr hpet activity. */ -static DEFINE_SPINLOCK(hpet_task_lock); #define HPET_DEV_NAME (7) @@ -99,7 +102,6 @@ struct hpet_dev { unsigned long hd_irqdata; wait_queue_head_t hd_waitqueue; struct fasync_struct *hd_async_queue; - struct hpet_task *hd_task; unsigned int hd_flags; unsigned int hd_irq; unsigned int hd_hdwirq; @@ -173,11 +175,6 @@ static irqreturn_t hpet_interrupt(int irq, void *data) writel(isr, &devp->hd_hpet->hpet_isr); spin_unlock(&hpet_lock); - spin_lock(&hpet_task_lock); - if (devp->hd_task) - devp->hd_task->ht_func(devp->hd_task->ht_data); - spin_unlock(&hpet_task_lock); - wake_up_interruptible(&devp->hd_waitqueue); kill_fasync(&devp->hd_async_queue, SIGIO, POLL_IN); @@ -260,8 +257,7 @@ static int hpet_open(struct inode *inode, struct file *file) for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next) for (i = 0; i < hpetp->hp_ntimer; i++) - if (hpetp->hp_dev[i].hd_flags & HPET_OPEN - || hpetp->hp_dev[i].hd_task) + if (hpetp->hp_dev[i].hd_flags & HPET_OPEN) continue; else { devp = &hpetp->hp_dev[i]; @@ -504,7 +500,11 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp) devp->hd_irq = irq; t = devp->hd_ireqfreq; v = readq(&timer->hpet_config); - g = v | Tn_INT_ENB_CNF_MASK; + + /* 64-bit comparators are not yet supported through the ioctls, + * so force this into 32-bit mode if it supports both modes + */ + g = v | Tn_32MODE_CNF_MASK | Tn_INT_ENB_CNF_MASK; if (devp->hd_flags & HPET_PERIODIC) { write_counter(t, &timer->hpet_compare); @@ -514,6 +514,12 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp) v |= Tn_VAL_SET_CNF_MASK; writeq(v, &timer->hpet_config); local_irq_save(flags); + + /* NOTE: what we modify here is a hidden accumulator + * register supported by periodic-capable comparators. + * We never want to modify the (single) counter; that + * would affect all the comparators. + */ m = read_counter(&hpet->hpet_mc); write_counter(t + m + hpetp->hp_delta, &timer->hpet_compare); } else { @@ -667,57 +673,6 @@ static int hpet_is_known(struct hpet_data *hdp) return 0; } -static inline int hpet_tpcheck(struct hpet_task *tp) -{ - struct hpet_dev *devp; - struct hpets *hpetp; - - devp = tp->ht_opaque; - - if (!devp) - return -ENXIO; - - for (hpetp = hpets; hpetp; hpetp = hpetp->hp_next) - if (devp >= hpetp->hp_dev - && devp < (hpetp->hp_dev + hpetp->hp_ntimer) - && devp->hd_hpet == hpetp->hp_hpet) - return 0; - - return -ENXIO; -} - -#if 0 -int hpet_unregister(struct hpet_task *tp) -{ - struct hpet_dev *devp; - struct hpet_timer __iomem *timer; - int err; - - if ((err = hpet_tpcheck(tp))) - return err; - - spin_lock_irq(&hpet_task_lock); - spin_lock(&hpet_lock); - - devp = tp->ht_opaque; - if (devp->hd_task != tp) { - spin_unlock(&hpet_lock); - spin_unlock_irq(&hpet_task_lock); - return -ENXIO; - } - - timer = devp->hd_timer; - writeq((readq(&timer->hpet_config) & ~Tn_INT_ENB_CNF_MASK), - &timer->hpet_config); - devp->hd_flags &= ~(HPET_IE | HPET_PERIODIC); - devp->hd_task = NULL; - spin_unlock(&hpet_lock); - spin_unlock_irq(&hpet_task_lock); - - return 0; -} -#endif /* 0 */ - static ctl_table hpet_table[] = { { .ctl_name = CTL_UNNUMBERED, @@ -872,9 +827,12 @@ int hpet_alloc(struct hpet_data *hdp) printk("%s %d", i > 0 ? "," : "", hdp->hd_irq[i]); printk("\n"); - printk(KERN_INFO "hpet%u: %u %d-bit timers, %Lu Hz\n", - hpetp->hp_which, hpetp->hp_ntimer, - cap & HPET_COUNTER_SIZE_MASK ? 64 : 32, hpetp->hp_tick_freq); + printk(KERN_INFO + "hpet%u: %u comparators, %d-bit %u.%06u MHz counter\n", + hpetp->hp_which, hpetp->hp_ntimer, + cap & HPET_COUNTER_SIZE_MASK ? 64 : 32, + (unsigned) (hpetp->hp_tick_freq / 1000000), + (unsigned) (hpetp->hp_tick_freq % 1000000)); mcfg = readq(&hpet->hpet_config); if ((mcfg & HPET_ENABLE_CNF_MASK) == 0) { diff --git a/include/linux/hpet.h b/include/linux/hpet.h index 6d2626b63a9a..79f63a27bcef 100644 --- a/include/linux/hpet.h +++ b/include/linux/hpet.h @@ -92,23 +92,14 @@ struct hpet { * exported interfaces */ -struct hpet_task { - void (*ht_func) (void *); - void *ht_data; - void *ht_opaque; -}; - struct hpet_data { unsigned long hd_phys_address; void __iomem *hd_address; unsigned short hd_nirqs; - unsigned short hd_flags; unsigned int hd_state; /* timer allocated */ unsigned int hd_irq[HPET_MAX_TIMERS]; }; -#define HPET_DATA_PLATFORM 0x0001 /* platform call to hpet_alloc */ - static inline void hpet_reserve_timer(struct hpet_data *hd, int timer) { hd->hd_state |= (1 << timer); @@ -126,7 +117,7 @@ struct hpet_info { unsigned short hi_timer; }; -#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ +#define HPET_INFO_PERIODIC 0x0010 /* periodic-capable comparator */ #define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ #define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ -- GitLab From f92a789d259eb95afe7498ff5938fe2a93d39c82 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Thu, 31 Jul 2008 12:59:56 -0700 Subject: [PATCH 0229/6244] hpet: /dev/hpet - fixes and cleanup, fix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: On Thursday 31 July 2008, Ingo Molnar wrote: >   drivers/built-in.o: In function `hpet_alloc': >   : undefined reference to `__udivdi3' >   drivers/built-in.o: In function `hpet_alloc': >   : undefined reference to `__umoddi3' Signed-off-by: David Brownell Signed-off-by: Ingo Molnar --- drivers/char/hpet.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 4bc1da4d4f80..2908a0eb63af 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -764,6 +764,7 @@ int hpet_alloc(struct hpet_data *hdp) static struct hpets *last = NULL; unsigned long period; unsigned long long temp; + u32 remainder; /* * hpet_alloc can be called by platform dependent code. @@ -827,12 +828,13 @@ int hpet_alloc(struct hpet_data *hdp) printk("%s %d", i > 0 ? "," : "", hdp->hd_irq[i]); printk("\n"); + temp = hpetp->hp_tick_freq; + remainder = do_div(temp, 1000000); printk(KERN_INFO "hpet%u: %u comparators, %d-bit %u.%06u MHz counter\n", hpetp->hp_which, hpetp->hp_ntimer, cap & HPET_COUNTER_SIZE_MASK ? 64 : 32, - (unsigned) (hpetp->hp_tick_freq / 1000000), - (unsigned) (hpetp->hp_tick_freq % 1000000)); + (unsigned) temp, remainder); mcfg = readq(&hpet->hpet_config); if ((mcfg & HPET_ENABLE_CNF_MASK) == 0) { -- GitLab From a677f58a8c8c541bf7d02c658545084040f3708d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 29 Jul 2008 00:37:10 -0700 Subject: [PATCH 0230/6244] x86: print per_cpu data address to make sure per_cpu data on correct node. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup_percpu.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index f7745f94c006..61f3966632a8 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -180,9 +180,16 @@ void __init setup_per_cpu_areas(void) printk(KERN_INFO "cpu %d has no node %d or node-local memory\n", cpu, node); + if (ptr) + printk(KERN_DEBUG "per cpu data for cpu%d at %016lx\n", + cpu, __pa(ptr)); } - else + else { ptr = alloc_bootmem_pages_node(NODE_DATA(node), size); + if (ptr) + printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n", + cpu, node, __pa(ptr)); + } #endif per_cpu_offset(cpu) = ptr - __per_cpu_start; memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); -- GitLab From a0ac87d61ba20932e54f08464d3f3439d78fa878 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Tue, 29 Jul 2008 17:41:04 +0200 Subject: [PATCH 0231/6244] x86: AMD microcode patch loader style corrections Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_amd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 07e52beacb44..6789530ef33b 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -47,9 +47,9 @@ MODULE_LICENSE("GPL v2"); #define UCODE_UCODE_TYPE 0x00000001 #define UCODE_MAX_SIZE (2048) -#define DEFAULT_UCODE_DATASIZE (896) /* 896 bytes */ -#define MC_HEADER_SIZE (sizeof(struct microcode_header_amd)) /* 64 bytes */ -#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 960 bytes */ +#define DEFAULT_UCODE_DATASIZE (896) +#define MC_HEADER_SIZE (sizeof(struct microcode_header_amd)) +#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) #define DWSIZE (sizeof(u32)) /* For now we support a fixed ucode total size only */ #define get_totalsize(mc) \ -- GitLab From f516526febb75500f280def2108688d388df4e1e Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Tue, 29 Jul 2008 17:41:05 +0200 Subject: [PATCH 0232/6244] x86: Intel microcode patch loader style corrections Signed-off-by: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_intel.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index 6da4a85ff465..a61986e8b691 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -55,8 +55,8 @@ * in a single CPU package. * 1.10 28 Feb 2002 Asit K Mallick and * Tigran Aivazian , - * Serialize updates as required on HT processors due to speculative - * nature of implementation. + * Serialize updates as required on HT processors due to + * speculative nature of implementation. * 1.11 22 Mar 2002 Tigran Aivazian * Fix the panic when writing zero-length microcode chunk. * 1.12 29 Sep 2003 Nitin Kamble , @@ -71,7 +71,7 @@ * Thanks to Stuart Swales for pointing out this bug. */ -//#define DEBUG /* pr_debug */ +/* #define DEBUG */ /* pr_debug */ #include #include #include @@ -99,11 +99,11 @@ MODULE_DESCRIPTION("Microcode Update Driver"); MODULE_AUTHOR("Tigran Aivazian "); MODULE_LICENSE("GPL"); -#define DEFAULT_UCODE_DATASIZE (2000) /* 2000 bytes */ -#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) /* 48 bytes */ -#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) /* 2048 bytes */ -#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) /* 20 bytes */ -#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) /* 12 bytes */ +#define DEFAULT_UCODE_DATASIZE (2000) +#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel)) +#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE) +#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable)) +#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature)) #define DWSIZE (sizeof(u32)) #define get_totalsize(mc) \ (((struct microcode_intel *)mc)->hdr.totalsize ? \ -- GitLab From 831f9bd3151ebd22959a0cb2a20b44a06b26d4ed Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Tue, 29 Jul 2008 17:41:06 +0200 Subject: [PATCH 0233/6244] x86: moved function declarations out from AMD microcode patch loader to heade file Signed-off-by: Peter Oruba Cc: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_amd.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 6789530ef33b..2b98e6ab1bf9 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -56,9 +56,6 @@ MODULE_LICENSE("GPL v2"); ((((struct microcode_amd *)mc)->hdr.mc_patch_data_len * 28) \ + MC_HEADER_SIZE) -extern int microcode_init(void *opaque, struct module *module); -extern void microcode_exit(void); - /* serialize access to the physical write */ static DEFINE_SPINLOCK(microcode_update_lock); -- GitLab From daa9c0fee1cbe1d49fbe29af3d4bb16312043b1e Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Tue, 29 Jul 2008 17:41:07 +0200 Subject: [PATCH 0234/6244] x86: minor pointer type cast in AMD microcode patch loader Signed-off-by: Peter Oruba Cc: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_amd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 2b98e6ab1bf9..33b2a217a8c5 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -394,7 +394,8 @@ static int cpu_request_microcode_amd(int cpu) return error; } - buf_pos = buf = firmware->data; + buf_pos = (unsigned int *)firmware->data; + buf = (void *)firmware->data; size = firmware->size; if (buf_pos[0] != UCODE_MAGIC) { -- GitLab From 7ab6af7ab69df8c9c5fbc380004fb81187742096 Mon Sep 17 00:00:00 2001 From: Hiroshi Shimamoto Date: Wed, 30 Jul 2008 17:36:48 -0700 Subject: [PATCH 0235/6244] x86_32: use apic_ops at print_local_APIC() Use apic_icr_read at print_local_APIC() in io_apic_32.c Signed-off-by: Hiroshi Shimamoto Cc: Suresh Siddha Cc: Yinghai Lu Signed-off-by: Ingo Molnar Cc: Suresh Siddha Cc: Yinghai Lu --- arch/x86/kernel/io_apic_32.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 98e4db5373f3..39e063a9a28a 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1486,6 +1486,7 @@ static void print_APIC_bitfield(int base) void /*__init*/ print_local_APIC(void *dummy) { unsigned int v, ver, maxlvt; + u64 icr; if (apic_verbosity == APIC_QUIET) return; @@ -1536,10 +1537,9 @@ void /*__init*/ print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC ESR: %08x\n", v); } - v = apic_read(APIC_ICR); - printk(KERN_DEBUG "... APIC ICR: %08x\n", v); - v = apic_read(APIC_ICR2); - printk(KERN_DEBUG "... APIC ICR2: %08x\n", v); + icr = apic_icr_read(); + printk(KERN_DEBUG "... APIC ICR: %08x\n", icr); + printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32); v = apic_read(APIC_LVTT); printk(KERN_DEBUG "... APIC LVTT: %08x\n", v); -- GitLab From 687fbc3fece34e7e1c2ac529348ad897095a0bde Mon Sep 17 00:00:00 2001 From: Pawel MOLL Date: Fri, 1 Aug 2008 11:23:44 +0100 Subject: [PATCH 0236/6244] ALSA: IEC958 definition for consumer status channel update Updated IEC958 consumer status channel definitions according to the third edition of IEC60958-3 spec. Signed-off-by: Pawel Moll Signed-off-by: Jaroslav Kysela --- include/sound/asoundef.h | 89 +++++++++++++++++++++++++++++++--------- 1 file changed, 69 insertions(+), 20 deletions(-) diff --git a/include/sound/asoundef.h b/include/sound/asoundef.h index a6e0facf8a37..20ebf3298eba 100644 --- a/include/sound/asoundef.h +++ b/include/sound/asoundef.h @@ -60,35 +60,56 @@ #define IEC958_AES1_PRO_USERBITS_UDEF (12<<4) /* user defined application */ #define IEC958_AES1_CON_CATEGORY 0x7f #define IEC958_AES1_CON_GENERAL 0x00 -#define IEC958_AES1_CON_EXPERIMENTAL 0x40 -#define IEC958_AES1_CON_SOLIDMEM_MASK 0x0f -#define IEC958_AES1_CON_SOLIDMEM_ID 0x08 -#define IEC958_AES1_CON_BROADCAST1_MASK 0x07 -#define IEC958_AES1_CON_BROADCAST1_ID 0x04 -#define IEC958_AES1_CON_DIGDIGCONV_MASK 0x07 -#define IEC958_AES1_CON_DIGDIGCONV_ID 0x02 -#define IEC958_AES1_CON_ADC_COPYRIGHT_MASK 0x1f -#define IEC958_AES1_CON_ADC_COPYRIGHT_ID 0x06 -#define IEC958_AES1_CON_ADC_MASK 0x1f -#define IEC958_AES1_CON_ADC_ID 0x16 -#define IEC958_AES1_CON_BROADCAST2_MASK 0x0f -#define IEC958_AES1_CON_BROADCAST2_ID 0x0e #define IEC958_AES1_CON_LASEROPT_MASK 0x07 #define IEC958_AES1_CON_LASEROPT_ID 0x01 -#define IEC958_AES1_CON_MUSICAL_MASK 0x07 -#define IEC958_AES1_CON_MUSICAL_ID 0x05 -#define IEC958_AES1_CON_MAGNETIC_MASK 0x07 -#define IEC958_AES1_CON_MAGNETIC_ID 0x03 #define IEC958_AES1_CON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x00) #define IEC958_AES1_CON_NON_IEC908_CD (IEC958_AES1_CON_LASEROPT_ID|0x08) +#define IEC958_AES1_CON_MINI_DISC (IEC958_AES1_CON_LASEROPT_ID|0x48) +#define IEC958_AES1_CON_DVD (IEC958_AES1_CON_LASEROPT_ID|0x18) +#define IEC958_AES1_CON_LASTEROPT_OTHER (IEC958_AES1_CON_LASEROPT_ID|0x78) +#define IEC958_AES1_CON_DIGDIGCONV_MASK 0x07 +#define IEC958_AES1_CON_DIGDIGCONV_ID 0x02 #define IEC958_AES1_CON_PCM_CODER (IEC958_AES1_CON_DIGDIGCONV_ID|0x00) -#define IEC958_AES1_CON_SAMPLER (IEC958_AES1_CON_DIGDIGCONV_ID|0x20) #define IEC958_AES1_CON_MIXER (IEC958_AES1_CON_DIGDIGCONV_ID|0x10) #define IEC958_AES1_CON_RATE_CONVERTER (IEC958_AES1_CON_DIGDIGCONV_ID|0x18) -#define IEC958_AES1_CON_SYNTHESIZER (IEC958_AES1_CON_MUSICAL_ID|0x00) -#define IEC958_AES1_CON_MICROPHONE (IEC958_AES1_CON_MUSICAL_ID|0x08) +#define IEC958_AES1_CON_SAMPLER (IEC958_AES1_CON_DIGDIGCONV_ID|0x20) +#define IEC958_AES1_CON_DSP (IEC958_AES1_CON_DIGDIGCONV_ID|0x28) +#define IEC958_AES1_CON_DIGDIGCONV_OTHER (IEC958_AES1_CON_DIGDIGCONV_ID|0x78) +#define IEC958_AES1_CON_MAGNETIC_MASK 0x07 +#define IEC958_AES1_CON_MAGNETIC_ID 0x03 #define IEC958_AES1_CON_DAT (IEC958_AES1_CON_MAGNETIC_ID|0x00) #define IEC958_AES1_CON_VCR (IEC958_AES1_CON_MAGNETIC_ID|0x08) +#define IEC958_AES1_CON_DCC (IEC958_AES1_CON_MAGNETIC_ID|0x40) +#define IEC958_AES1_CON_MAGNETIC_DISC (IEC958_AES1_CON_MAGNETIC_ID|0x18) +#define IEC958_AES1_CON_MAGNETIC_OTHER (IEC958_AES1_CON_MAGNETIC_ID|0x78) +#define IEC958_AES1_CON_BROADCAST1_MASK 0x07 +#define IEC958_AES1_CON_BROADCAST1_ID 0x04 +#define IEC958_AES1_CON_DAB_JAPAN (IEC958_AES1_CON_BROADCAST1_ID|0x00) +#define IEC958_AES1_CON_DAB_EUROPE (IEC958_AES1_CON_BROADCAST1_ID|0x08) +#define IEC958_AES1_CON_DAB_USA (IEC958_AES1_CON_BROADCAST1_ID|0x60) +#define IEC958_AES1_CON_SOFTWARE (IEC958_AES1_CON_BROADCAST1_ID|0x40) +#define IEC958_AES1_CON_IEC62105 (IEC958_AES1_CON_BROADCAST1_ID|0x20) +#define IEC958_AES1_CON_BROADCAST1_OTHER (IEC958_AES1_CON_BROADCAST1_ID|0x78) +#define IEC958_AES1_CON_BROADCAST2_MASK 0x0f +#define IEC958_AES1_CON_BROADCAST2_ID 0x0e +#define IEC958_AES1_CON_MUSICAL_MASK 0x07 +#define IEC958_AES1_CON_MUSICAL_ID 0x05 +#define IEC958_AES1_CON_SYNTHESIZER (IEC958_AES1_CON_MUSICAL_ID|0x00) +#define IEC958_AES1_CON_MICROPHONE (IEC958_AES1_CON_MUSICAL_ID|0x08) +#define IEC958_AES1_CON_MUSICAL_OTHER (IEC958_AES1_CON_MUSICAL_ID|0x78) +#define IEC958_AES1_CON_ADC_MASK 0x1f +#define IEC958_AES1_CON_ADC_ID 0x06 +#define IEC958_AES1_CON_ADC (IEC958_AES1_CON_ADC_ID|0x00) +#define IEC958_AES1_CON_ADC_OTHER (IEC958_AES1_CON_ADC_ID|0x60) +#define IEC958_AES1_CON_ADC_COPYRIGHT_MASK 0x1f +#define IEC958_AES1_CON_ADC_COPYRIGHT_ID 0x16 +#define IEC958_AES1_CON_ADC_COPYRIGHT (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x00) +#define IEC958_AES1_CON_ADC_COPYRIGHT_OTHER (IEC958_AES1_CON_ADC_COPYRIGHT_ID|0x60) +#define IEC958_AES1_CON_SOLIDMEM_MASK 0x0f +#define IEC958_AES1_CON_SOLIDMEM_ID 0x08 +#define IEC958_AES1_CON_SOLIDMEM_DIGITAL_RECORDER_PLAYER (IEC958_AES1_CON_SOLIDMEM_ID|0x00) +#define IEC958_AES1_CON_SOLIDMEM_OTHER (IEC958_AES1_CON_SOLIDMEM_ID|0x70) +#define IEC958_AES1_CON_EXPERIMENTAL 0x40 #define IEC958_AES1_CON_ORIGINAL (1<<7) /* this bits depends on the category code */ #define IEC958_AES2_PRO_SBITS (7<<0) /* mask - sample bits */ #define IEC958_AES2_PRO_SBITS_20 (2<<0) /* 20-bit - coordination */ @@ -106,8 +127,16 @@ #define IEC958_AES2_CON_CHANNEL_UNSPEC (0<<4) /* unspecified */ #define IEC958_AES3_CON_FS (15<<0) /* mask - sample frequency */ #define IEC958_AES3_CON_FS_44100 (0<<0) /* 44.1kHz */ +#define IEC958_AES3_CON_FS_NOTID (1<<0) /* non indicated */ #define IEC958_AES3_CON_FS_48000 (2<<0) /* 48kHz */ #define IEC958_AES3_CON_FS_32000 (3<<0) /* 32kHz */ +#define IEC958_AES3_CON_FS_22050 (4<<0) /* 22.05kHz */ +#define IEC958_AES3_CON_FS_24000 (6<<0) /* 24kHz */ +#define IEC958_AES3_CON_FS_88200 (8<<0) /* 88.2kHz */ +#define IEC958_AES3_CON_FS_768000 (9<<0) /* 768kHz */ +#define IEC958_AES3_CON_FS_96000 (10<<0) /* 96kHz */ +#define IEC958_AES3_CON_FS_176400 (12<<0) /* 176.4kHz */ +#define IEC958_AES3_CON_FS_192000 (14<<0) /* 192kHz */ #define IEC958_AES3_CON_CLOCK (3<<4) /* mask - clock accuracy */ #define IEC958_AES3_CON_CLOCK_1000PPM (0<<4) /* 1000 ppm */ #define IEC958_AES3_CON_CLOCK_50PPM (1<<4) /* 50 ppm */ @@ -120,6 +149,26 @@ #define IEC958_AES4_CON_WORDLEN_23_19 (4<<1) /* 23-bit or 19-bit */ #define IEC958_AES4_CON_WORDLEN_24_20 (5<<1) /* 24-bit or 20-bit */ #define IEC958_AES4_CON_WORDLEN_21_17 (6<<1) /* 21-bit or 17-bit */ +#define IEC958_AES4_CON_ORIGFS (15<<4) /* mask - original sample frequency */ +#define IEC958_AES4_CON_ORIGFS_NOTID (0<<4) /* not indicated */ +#define IEC958_AES4_CON_ORIGFS_192000 (1<<4) /* 192kHz */ +#define IEC958_AES4_CON_ORIGFS_12000 (2<<4) /* 12kHz */ +#define IEC958_AES4_CON_ORIGFS_176400 (3<<4) /* 176.4kHz */ +#define IEC958_AES4_CON_ORIGFS_96000 (5<<4) /* 96kHz */ +#define IEC958_AES4_CON_ORIGFS_8000 (6<<4) /* 8kHz */ +#define IEC958_AES4_CON_ORIGFS_88200 (7<<4) /* 88.2kHz */ +#define IEC958_AES4_CON_ORIGFS_16000 (8<<4) /* 16kHz */ +#define IEC958_AES4_CON_ORIGFS_24000 (9<<4) /* 24kHz */ +#define IEC958_AES4_CON_ORIGFS_11025 (10<<4) /* 11.025kHz */ +#define IEC958_AES4_CON_ORIGFS_22050 (11<<4) /* 22.05kHz */ +#define IEC958_AES4_CON_ORIGFS_32000 (12<<4) /* 32kHz */ +#define IEC958_AES4_CON_ORIGFS_48000 (13<<4) /* 48kHz */ +#define IEC958_AES4_CON_ORIGFS_44100 (15<<4) /* 44.1kHz */ +#define IEC958_AES5_CON_CGMSA (3<<0) /* mask - CGMS-A */ +#define IEC958_AES5_CON_CGMSA_COPYFREELY (0<<0) /* copying is permitted without restriction */ +#define IEC958_AES5_CON_CGMSA_COPYONCE (1<<0) /* one generation of copies may be made */ +#define IEC958_AES5_CON_CGMSA_COPYNOMORE (2<<0) /* condition not be used */ +#define IEC958_AES5_CON_CGMSA_COPYNEVER (3<<0) /* no copying is permitted */ /***************************************************************************** * * -- GitLab From 896e6cc20e67038af12e1a7711eef32647e62f23 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Fri, 1 Aug 2008 13:36:04 +0200 Subject: [PATCH 0237/6244] sound: Revert "ALSA: Fix limit of 8 PCM devices in SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE" This reverts commit fb3d6f2b77bdec75d45aa9d4464287ed87927866. New, updated patch with same subject replaces this commit. Signed-off-by: Jaroslav Kysela --- include/sound/minors.h | 2 -- include/sound/pcm.h | 4 +++- sound/core/oss/pcm_oss.c | 10 ++++---- sound/core/pcm.c | 50 +++++++++++----------------------------- sound/core/sound.c | 2 ++ 5 files changed, 23 insertions(+), 45 deletions(-) diff --git a/include/sound/minors.h b/include/sound/minors.h index a81798ab73ed..46bcd2023ed8 100644 --- a/include/sound/minors.h +++ b/include/sound/minors.h @@ -21,8 +21,6 @@ * */ -#define SNDRV_OS_MINORS 256 - #define SNDRV_MINOR_DEVICES 32 #define SNDRV_MINOR_CARD(minor) ((minor) >> 5) #define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f) diff --git a/include/sound/pcm.h b/include/sound/pcm.h index bfc096ac82e5..51d58ccda2d8 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -84,6 +84,8 @@ struct snd_pcm_ops { * */ +#define SNDRV_PCM_DEVICES 8 + #define SNDRV_PCM_IOCTL1_FALSE ((void *)0) #define SNDRV_PCM_IOCTL1_TRUE ((void *)1) @@ -414,7 +416,7 @@ struct snd_pcm_str { struct snd_pcm { struct snd_card *card; struct list_head list; - int device; /* device number */ + unsigned int device; /* device number */ unsigned int info_flags; unsigned short dev_class; unsigned short dev_subclass; diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 4ccd761a5f41..4c601b192ddf 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2947,7 +2947,7 @@ static void register_oss_dsp(struct snd_pcm *pcm, int index) static int snd_pcm_oss_register_minor(struct snd_pcm *pcm) { pcm->oss.reg = 0; - if (dsp_map[pcm->card->number] == pcm->device) { + if (dsp_map[pcm->card->number] == (int)pcm->device) { char name[128]; int duplex; register_oss_dsp(pcm, 0); @@ -2963,7 +2963,7 @@ static int snd_pcm_oss_register_minor(struct snd_pcm *pcm) pcm->oss.reg++; pcm->oss.reg_mask |= 1; } - if (adsp_map[pcm->card->number] == pcm->device) { + if (adsp_map[pcm->card->number] == (int)pcm->device) { register_oss_dsp(pcm, 1); pcm->oss.reg++; pcm->oss.reg_mask |= 2; @@ -2988,7 +2988,7 @@ static int snd_pcm_oss_disconnect_minor(struct snd_pcm *pcm) snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM, pcm->card, 1); } - if (dsp_map[pcm->card->number] == pcm->device) { + if (dsp_map[pcm->card->number] == (int)pcm->device) { #ifdef SNDRV_OSS_INFO_DEV_AUDIO snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_AUDIO, pcm->card->number); #endif @@ -3019,12 +3019,12 @@ static int __init alsa_pcm_oss_init(void) /* check device map table */ for (i = 0; i < SNDRV_CARDS; i++) { - if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_OS_MINORS) { + if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_PCM_DEVICES) { snd_printk(KERN_ERR "invalid dsp_map[%d] = %d\n", i, dsp_map[i]); dsp_map[i] = 0; } - if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_OS_MINORS) { + if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_PCM_DEVICES) { snd_printk(KERN_ERR "invalid adsp_map[%d] = %d\n", i, adsp_map[i]); adsp_map[i] = 1; diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 24271a3bd901..ece25c718e95 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -42,7 +42,7 @@ static int snd_pcm_dev_free(struct snd_device *device); static int snd_pcm_dev_register(struct snd_device *device); static int snd_pcm_dev_disconnect(struct snd_device *device); -static inline struct snd_pcm *snd_pcm_get(struct snd_card *card, int device) +static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device) { struct snd_pcm *pcm; @@ -53,37 +53,6 @@ static inline struct snd_pcm *snd_pcm_get(struct snd_card *card, int device) return NULL; } -static inline int snd_pcm_next(struct snd_card *card, int device) -{ - struct snd_pcm *pcm; - - list_for_each_entry(pcm, &snd_pcm_devices, list) { - if (pcm->card == card && pcm->device > device) - return pcm->device; - else if (pcm->card->number > card->number) - return -1; - } - return -1; -} - -static inline int snd_pcm_add(struct snd_pcm *newpcm) -{ - struct snd_pcm *pcm; - - list_for_each_entry(pcm, &snd_pcm_devices, list) { - if (pcm->card == newpcm->card && pcm->device == newpcm->device) - return -EBUSY; - if (pcm->card->number > newpcm->card->number || - (pcm->card == newpcm->card && - pcm->device > newpcm->device)) { - list_add(&newpcm->list, pcm->list.prev); - return 0; - } - } - list_add_tail(&newpcm->list, &snd_pcm_devices); - return 0; -} - static int snd_pcm_control_ioctl(struct snd_card *card, struct snd_ctl_file *control, unsigned int cmd, unsigned long arg) @@ -96,7 +65,14 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(device, (int __user *)arg)) return -EFAULT; mutex_lock(®ister_mutex); - device = snd_pcm_next(card, device); + device = device < 0 ? 0 : device + 1; + while (device < SNDRV_PCM_DEVICES) { + if (snd_pcm_search(card, device)) + break; + device++; + } + if (device == SNDRV_PCM_DEVICES) + device = -1; mutex_unlock(®ister_mutex); if (put_user(device, (int __user *)arg)) return -EFAULT; @@ -122,7 +98,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(subdevice, &info->subdevice)) return -EFAULT; mutex_lock(®ister_mutex); - pcm = snd_pcm_get(card, device); + pcm = snd_pcm_search(card, device); if (pcm == NULL) { err = -ENXIO; goto _error; @@ -955,11 +931,11 @@ static int snd_pcm_dev_register(struct snd_device *device) snd_assert(pcm != NULL && device != NULL, return -ENXIO); mutex_lock(®ister_mutex); - err = snd_pcm_add(pcm); - if (err) { + if (snd_pcm_search(pcm->card, pcm->device)) { mutex_unlock(®ister_mutex); - return err; + return -EBUSY; } + list_add_tail(&pcm->list, &snd_pcm_devices); for (cidx = 0; cidx < 2; cidx++) { int devtype = -1; if (pcm->streams[cidx].substream == NULL) diff --git a/sound/core/sound.c b/sound/core/sound.c index 838dd9ee957c..1003ae375d47 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -34,6 +34,8 @@ #include #include +#define SNDRV_OS_MINORS 256 + static int major = CONFIG_SND_MAJOR; int snd_major; EXPORT_SYMBOL(snd_major); -- GitLab From 030a07e441296c372f946cd4065b5d831d8dc40c Mon Sep 17 00:00:00 2001 From: Karsten Wiese Date: Wed, 30 Jul 2008 15:13:29 +0200 Subject: [PATCH 0238/6244] ALSA: Add USB US122L driver Added a new US122L usb-audio driver. This driver works together with a dedicated alsa-lib plugin. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/asound.h | 3 +- sound/usb/Kconfig | 11 + sound/usb/Makefile | 1 + sound/usb/usbaudio.h | 1 + sound/usb/usbmidi.c | 39 ++ sound/usb/usx2y/Makefile | 2 + sound/usb/usx2y/us122l.c | 692 +++++++++++++++++++++++++++++++ sound/usb/usx2y/us122l.h | 27 ++ sound/usb/usx2y/usb_stream.c | 761 +++++++++++++++++++++++++++++++++++ sound/usb/usx2y/usb_stream.h | 112 ++++++ 10 files changed, 1648 insertions(+), 1 deletion(-) create mode 100644 sound/usb/usx2y/us122l.c create mode 100644 sound/usb/usx2y/us122l.h create mode 100644 sound/usb/usx2y/usb_stream.c create mode 100644 sound/usb/usx2y/usb_stream.h diff --git a/include/sound/asound.h b/include/sound/asound.h index 3eaf155b850d..ca2f3582664d 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -93,9 +93,10 @@ enum { SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ + SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ /* Don't forget to change the following: */ - SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_HDA + SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_USB_STREAM }; struct snd_hwdep_info { diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig index ffcdc8f4ef66..0463b342ec77 100644 --- a/sound/usb/Kconfig +++ b/sound/usb/Kconfig @@ -67,5 +67,16 @@ config SND_USB_CAIAQ_INPUT * Native Instruments Kore Controller 2 * Native Instruments Audio Kontrol 1 +config SND_USB_US122L + tristate "Tascam US-122L USB driver" + depends on X86 && EXPERIMENTAL + select SND_RAWMIDI + help + Say Y here to include support for Tascam US-122L USB Audio/MIDI + interfaces. + + To compile this driver as a module, choose M here: the module + will be called snd-usb-us122l. + endif # SND_USB diff --git a/sound/usb/Makefile b/sound/usb/Makefile index aa252ef2ebfb..abb288bfe35d 100644 --- a/sound/usb/Makefile +++ b/sound/usb/Makefile @@ -8,5 +8,6 @@ snd-usb-lib-objs := usbmidi.o # Toplevel Module Dependency obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usb-lib.o obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-lib.o +obj-$(CONFIG_SND_USB_US122L) += snd-usb-lib.o obj-$(CONFIG_SND) += usx2y/ caiaq/ diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 7cf18c38dc42..140ba363414c 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -156,6 +156,7 @@ enum quirk_type { QUIRK_MIDI_RAW, QUIRK_MIDI_EMAGIC, QUIRK_MIDI_CME, + QUIRK_MIDI_US122L, QUIRK_AUDIO_STANDARD_INTERFACE, QUIRK_AUDIO_FIXED_ENDPOINT, QUIRK_AUDIO_EDIROL_UA700_UA25, diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index 6676a177c99e..c0c7770198ad 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -669,6 +669,42 @@ static struct usb_protocol_ops snd_usbmidi_raw_ops = { .output = snd_usbmidi_raw_output, }; +static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep, + uint8_t *buffer, int buffer_length) +{ + if (buffer_length != 9) + return; + buffer_length = 8; + while (buffer_length && buffer[buffer_length - 1] == 0xFD) + buffer_length--; + if (buffer_length) + snd_usbmidi_input_data(ep, 0, buffer, buffer_length); +} + +static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep) +{ + int count; + + if (!ep->ports[0].active) + return; + count = ep->urb->dev->speed == USB_SPEED_HIGH ? 1 : 2; + count = snd_rawmidi_transmit(ep->ports[0].substream, + ep->urb->transfer_buffer, + count); + if (count < 1) { + ep->ports[0].active = 0; + return; + } + + memset(ep->urb->transfer_buffer + count, 0xFD, 9 - count); + ep->urb->transfer_buffer_length = count; +} + +static struct usb_protocol_ops snd_usbmidi_122l_ops = { + .input = snd_usbmidi_us122l_input, + .output = snd_usbmidi_us122l_output, +}; + /* * Emagic USB MIDI protocol: raw MIDI with "F5 xx" port switching. */ @@ -1714,6 +1750,9 @@ int snd_usb_create_midi_interface(struct snd_usb_audio* chip, umidi->usb_protocol_ops = &snd_usbmidi_maudio_broken_running_status_ops; break; + case QUIRK_MIDI_US122L: + umidi->usb_protocol_ops = &snd_usbmidi_122l_ops; + /* fall through */ case QUIRK_MIDI_FIXED_ENDPOINT: memcpy(&endpoints[0], quirk->data, sizeof(struct snd_usb_midi_endpoint_info)); diff --git a/sound/usb/usx2y/Makefile b/sound/usb/usx2y/Makefile index 9ac22bce1124..748933054b6c 100644 --- a/sound/usb/usx2y/Makefile +++ b/sound/usb/usx2y/Makefile @@ -1,3 +1,5 @@ snd-usb-usx2y-objs := usbusx2y.o usX2Yhwdep.o usx2yhwdeppcm.o +snd-usb-us122l-objs := us122l.o obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-usx2y.o +obj-$(CONFIG_SND_USB_US122L) += snd-usb-us122l.o diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c new file mode 100644 index 000000000000..b441fe2cd190 --- /dev/null +++ b/sound/usb/usx2y/us122l.c @@ -0,0 +1,692 @@ +/* + * Copyright (C) 2007, 2008 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#define MODNAME "US122L" +#include "usb_stream.c" +#include "../usbaudio.h" +#include "us122l.h" + +MODULE_AUTHOR("Karsten Wiese "); +MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5"); +MODULE_LICENSE("GPL"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ + /* Enable this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); + +static int snd_us122l_card_used[SNDRV_CARDS]; + + +static int us122l_create_usbmidi(struct snd_card *card) +{ + static struct snd_usb_midi_endpoint_info quirk_data = { + .out_ep = 4, + .in_ep = 3, + .out_cables = 0x001, + .in_cables = 0x001 + }; + static struct snd_usb_audio_quirk quirk = { + .vendor_name = "US122L", + .product_name = NAME_ALLCAPS, + .ifnum = 1, + .type = QUIRK_MIDI_US122L, + .data = &quirk_data + }; + struct usb_device *dev = US122L(card)->chip.dev; + struct usb_interface *iface = usb_ifnum_to_if(dev, 1); + + return snd_usb_create_midi_interface(&US122L(card)->chip, + iface, &quirk); +} + +/* + * Wrapper for usb_control_msg(). + * Allocates a temp buffer to prevent dmaing from/to the stack. + */ +static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, + __u8 request, __u8 requesttype, + __u16 value, __u16 index, void *data, + __u16 size, int timeout) +{ + int err; + void *buf = NULL; + + if (size > 0) { + buf = kmemdup(data, size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + } + err = usb_control_msg(dev, pipe, request, requesttype, + value, index, buf, size, timeout); + if (size > 0) { + memcpy(data, buf, size); + kfree(buf); + } + return err; +} + +static void pt_info_set(struct usb_device *dev, u8 v) +{ + int ret; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + 'I', + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + v, 0, NULL, 0, 1000); + snd_printdd(KERN_DEBUG "%i\n", ret); +} + +static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) +{ + struct us122l *us122l = area->vm_private_data; + atomic_inc(&us122l->mmap_count); + snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); +} + +static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, + struct vm_fault *vmf) +{ + unsigned long offset; + struct page *page; + void *vaddr; + struct us122l *us122l = area->vm_private_data; + struct usb_stream *s; + int vm_f = VM_FAULT_SIGBUS; + + mutex_lock(&us122l->mutex); + s = us122l->sk.s; + if (!s) + goto out; + + offset = vmf->pgoff << PAGE_SHIFT; + if (offset < PAGE_ALIGN(s->read_size)) + vaddr = (char *)s + offset; + else { + offset -= PAGE_ALIGN(s->read_size); + if (offset >= PAGE_ALIGN(s->write_size)) + goto out; + + vaddr = us122l->sk.write_page + offset; + } + page = virt_to_page(vaddr); + + get_page(page); + mutex_unlock(&us122l->mutex); + + vmf->page = page; + vm_f = 0; +out: + return vm_f; +} + +static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) +{ + struct us122l *us122l = area->vm_private_data; + atomic_dec(&us122l->mmap_count); + snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); +} + +static struct vm_operations_struct usb_stream_hwdep_vm_ops = { + .open = usb_stream_hwdep_vm_open, + .fault = usb_stream_hwdep_vm_fault, + .close = usb_stream_hwdep_vm_close, +}; + + +static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) +{ + struct us122l *us122l = hw->private_data; + struct usb_interface *iface; + snd_printdd(KERN_DEBUG "%p %p\n", hw, file); + if (hw->used >= 2) + return -EBUSY; + + if (!us122l->first) + us122l->first = file; + iface = usb_ifnum_to_if(us122l->chip.dev, 1); + usb_autopm_get_interface(iface); + return 0; +} + +static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) +{ + struct us122l *us122l = hw->private_data; + struct usb_interface *iface = usb_ifnum_to_if(us122l->chip.dev, 1); + snd_printdd(KERN_DEBUG "%p %p\n", hw, file); + usb_autopm_put_interface(iface); + if (us122l->first == file) + us122l->first = NULL; + mutex_lock(&us122l->mutex); + if (us122l->master == file) + us122l->master = us122l->slave; + + us122l->slave = NULL; + mutex_unlock(&us122l->mutex); + return 0; +} + +static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, + struct file *filp, struct vm_area_struct *area) +{ + unsigned long size = area->vm_end - area->vm_start; + struct us122l *us122l = hw->private_data; + unsigned long offset; + struct usb_stream *s; + int err = 0; + bool read; + + offset = area->vm_pgoff << PAGE_SHIFT; + mutex_lock(&us122l->mutex); + s = us122l->sk.s; + read = offset < s->read_size; + if (read && area->vm_flags & VM_WRITE) { + err = -EPERM; + goto out; + } + snd_printdd(KERN_DEBUG "%lu %u\n", size, + read ? s->read_size : s->write_size); + /* if userspace tries to mmap beyond end of our buffer, fail */ + if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) { + snd_printk(KERN_WARNING "%lu > %u\n", size, + read ? s->read_size : s->write_size); + err = -EINVAL; + goto out; + } + + area->vm_ops = &usb_stream_hwdep_vm_ops; + area->vm_flags |= VM_RESERVED; + area->vm_private_data = us122l; + atomic_inc(&us122l->mmap_count); +out: + mutex_unlock(&us122l->mutex); + return err; +} + +static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw, + struct file *file, poll_table *wait) +{ + struct us122l *us122l = hw->private_data; + struct usb_stream *s = us122l->sk.s; + unsigned *polled; + unsigned int mask; + + poll_wait(file, &us122l->sk.sleep, wait); + + switch (s->state) { + case usb_stream_ready: + if (us122l->first == file) + polled = &s->periods_polled; + else + polled = &us122l->second_periods_polled; + if (*polled != s->periods_done) { + *polled = s->periods_done; + mask = POLLIN | POLLOUT | POLLWRNORM; + break; + } + /* Fall through */ + mask = 0; + break; + default: + mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR; + break; + } + return mask; +} + +static void us122l_stop(struct us122l *us122l) +{ + struct list_head *p; + list_for_each(p, &us122l->chip.midi_list) + snd_usbmidi_input_stop(p); + + usb_stream_stop(&us122l->sk); + usb_stream_free(&us122l->sk); +} + +static int us122l_set_sample_rate(struct usb_device *dev, int rate) +{ + unsigned int ep = 0x81; + unsigned char data[3]; + int err; + + data[0] = rate; + data[1] = rate >> 8; + data[2] = rate >> 16; + err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR, + USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, + SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000); + if (err < 0) + snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", + dev->devnum, rate, ep); + return err; +} + +static bool us122l_start(struct us122l *us122l, + unsigned rate, unsigned period_frames) +{ + struct list_head *p; + int err; + unsigned use_packsize = 0; + bool success = false; + + if (us122l->chip.dev->speed == USB_SPEED_HIGH) { + /* The us-122l's descriptor defaults to iso max_packsize 78, + which isn't needed for samplerates <= 48000. + Lets save some memory: + */ + switch (rate) { + case 44100: + use_packsize = 36; + break; + case 48000: + use_packsize = 42; + break; + case 88200: + use_packsize = 72; + break; + } + } + if (!usb_stream_new(&us122l->sk, us122l->chip.dev, 1, 2, + rate, use_packsize, period_frames, 6)) + goto out; + + err = us122l_set_sample_rate(us122l->chip.dev, rate); + if (err < 0) { + us122l_stop(us122l); + snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); + goto out; + } + err = usb_stream_start(&us122l->sk); + if (err < 0) { + us122l_stop(us122l); + snd_printk(KERN_ERR "us122l_start error %i \n", err); + goto out; + } + list_for_each(p, &us122l->chip.midi_list) + snd_usbmidi_input_start(p); + success = true; +out: + return success; +} + +static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, + unsigned cmd, unsigned long arg) +{ + struct usb_stream_config *cfg; + struct us122l *us122l = hw->private_data; + unsigned min_period_frames; + int err = 0; + bool high_speed; + + if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) + return -ENOTTY; + + cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); + if (!cfg) + return -ENOMEM; + + if (copy_from_user(cfg, (void *)arg, sizeof(*cfg))) { + err = -EFAULT; + goto free; + } + if (cfg->version != USB_STREAM_INTERFACE_VERSION) { + err = -ENXIO; + goto free; + } + high_speed = us122l->chip.dev->speed == USB_SPEED_HIGH; + if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 && + (!high_speed || + (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) || + cfg->frame_size != 6 || + cfg->period_frames > 0x3000) { + err = -EINVAL; + goto free; + } + switch (cfg->sample_rate) { + case 44100: + min_period_frames = 48; + break; + case 48000: + min_period_frames = 52; + break; + default: + min_period_frames = 104; + break; + } + if (!high_speed) + min_period_frames <<= 1; + if (cfg->period_frames < min_period_frames) { + err = -EINVAL; + goto free; + } + + snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); + + mutex_lock(&us122l->mutex); + if (!us122l->master) + us122l->master = file; + else if (us122l->master != file) { + if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) { + err = -EIO; + goto unlock; + } + us122l->slave = file; + } + if (!us122l->sk.s || + memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) || + us122l->sk.s->state == usb_stream_xrun) { + us122l_stop(us122l); + if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames)) + err = -EIO; + else + err = 1; + } +unlock: + mutex_unlock(&us122l->mutex); +free: + kfree(cfg); + return err; +} + +#define SND_USB_STREAM_ID "USB STREAM" +static int usb_stream_hwdep_new(struct snd_card *card) +{ + int err; + struct snd_hwdep *hw; + struct usb_device *dev = US122L(card)->chip.dev; + + err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw); + if (err < 0) + return err; + + hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM; + hw->private_data = US122L(card); + hw->ops.open = usb_stream_hwdep_open; + hw->ops.release = usb_stream_hwdep_release; + hw->ops.ioctl = usb_stream_hwdep_ioctl; + hw->ops.ioctl_compat = usb_stream_hwdep_ioctl; + hw->ops.mmap = usb_stream_hwdep_mmap; + hw->ops.poll = usb_stream_hwdep_poll; + + sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", + dev->bus->busnum, dev->devnum); + return 0; +} + + +static bool us122l_create_card(struct snd_card *card) +{ + int err; + struct us122l *us122l = US122L(card); + + err = usb_set_interface(us122l->chip.dev, 1, 1); + if (err) { + snd_printk(KERN_ERR "usb_set_interface error \n"); + return false; + } + + pt_info_set(us122l->chip.dev, 0x11); + pt_info_set(us122l->chip.dev, 0x10); + + if (!us122l_start(us122l, 44100, 256)) + return false; + + err = us122l_create_usbmidi(card); + if (err < 0) { + snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); + us122l_stop(us122l); + return false; + } + err = usb_stream_hwdep_new(card); + if (err < 0) { +/* release the midi resources */ + struct list_head *p; + list_for_each(p, &us122l->chip.midi_list) + snd_usbmidi_disconnect(p); + + us122l_stop(us122l); + return false; + } + return true; +} + +static struct snd_card *usx2y_create_card(struct usb_device *device) +{ + int dev; + struct snd_card *card; + for (dev = 0; dev < SNDRV_CARDS; ++dev) + if (enable[dev] && !snd_us122l_card_used[dev]) + break; + if (dev >= SNDRV_CARDS) + return NULL; + card = snd_card_new(index[dev], id[dev], THIS_MODULE, + sizeof(struct us122l)); + if (!card) + return NULL; + snd_us122l_card_used[US122L(card)->chip.index = dev] = 1; + + US122L(card)->chip.dev = device; + US122L(card)->chip.card = card; + mutex_init(&US122L(card)->mutex); + init_waitqueue_head(&US122L(card)->sk.sleep); + INIT_LIST_HEAD(&US122L(card)->chip.midi_list); + strcpy(card->driver, "USB "NAME_ALLCAPS""); + sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); + sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", + card->shortname, + le16_to_cpu(device->descriptor.idVendor), + le16_to_cpu(device->descriptor.idProduct), + 0, + US122L(card)->chip.dev->bus->busnum, + US122L(card)->chip.dev->devnum + ); + snd_card_set_dev(card, &device->dev); + return card; +} + +static void *us122l_usb_probe(struct usb_interface *intf, + const struct usb_device_id *device_id) +{ + struct usb_device *device = interface_to_usbdev(intf); + struct snd_card *card = usx2y_create_card(device); + + if (!card) + return NULL; + + if (!us122l_create_card(card) || + snd_card_register(card) < 0) { + snd_card_free(card); + return NULL; + } + + usb_get_dev(device); + return card; +} + +static int snd_us122l_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct snd_card *card; + snd_printdd(KERN_DEBUG"%p:%i\n", + intf, intf->cur_altsetting->desc.bInterfaceNumber); + if (intf->cur_altsetting->desc.bInterfaceNumber != 1) + return 0; + + card = us122l_usb_probe(usb_get_intf(intf), id); + + if (card) { + usb_set_intfdata(intf, card); + return 0; + } + + usb_put_intf(intf); + return -EIO; +} + +static void snd_us122l_disconnect(struct usb_interface *intf) +{ + struct snd_card *card; + struct us122l *us122l; + struct list_head *p; + + card = usb_get_intfdata(intf); + if (!card) + return; + + snd_card_disconnect(card); + + us122l = US122L(card); + mutex_lock(&us122l->mutex); + us122l_stop(us122l); + mutex_unlock(&us122l->mutex); + us122l->chip.shutdown = 1; + +/* release the midi resources */ + list_for_each(p, &us122l->chip.midi_list) { + snd_usbmidi_disconnect(p); + } + + usb_put_intf(intf); + usb_put_dev(US122L(card)->chip.dev); + + while (atomic_read(&us122l->mmap_count)) + msleep(500); + + snd_card_free(card); +} + +static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct snd_card *card; + struct us122l *us122l; + struct list_head *p; + + card = dev_get_drvdata(&intf->dev); + if (!card) + return 0; + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + us122l = US122L(card); + if (!us122l) + return 0; + + list_for_each(p, &us122l->chip.midi_list) + snd_usbmidi_input_stop(p); + + mutex_lock(&us122l->mutex); + usb_stream_stop(&us122l->sk); + mutex_unlock(&us122l->mutex); + + return 0; +} + +static int snd_us122l_resume(struct usb_interface *intf) +{ + struct snd_card *card; + struct us122l *us122l; + struct list_head *p; + int err; + + card = dev_get_drvdata(&intf->dev); + if (!card) + return 0; + + us122l = US122L(card); + if (!us122l) + return 0; + + mutex_lock(&us122l->mutex); + /* needed, doesn't restart without: */ + err = usb_set_interface(us122l->chip.dev, 1, 1); + if (err) { + snd_printk(KERN_ERR "usb_set_interface error \n"); + goto unlock; + } + + pt_info_set(us122l->chip.dev, 0x11); + pt_info_set(us122l->chip.dev, 0x10); + + err = us122l_set_sample_rate(us122l->chip.dev, + us122l->sk.s->cfg.sample_rate); + if (err < 0) { + snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); + goto unlock; + } + err = usb_stream_start(&us122l->sk); + if (err) + goto unlock; + + list_for_each(p, &us122l->chip.midi_list) + snd_usbmidi_input_start(p); +unlock: + mutex_unlock(&us122l->mutex); + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return err; +} + +static struct usb_device_id snd_us122l_usb_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x0644, + .idProduct = USB_ID_US122L + }, +/* { */ /* US-144 maybe works when @USB1.1. Untested. */ +/* .match_flags = USB_DEVICE_ID_MATCH_DEVICE, */ +/* .idVendor = 0x0644, */ +/* .idProduct = USB_ID_US144 */ +/* }, */ + { /* terminator */ } +}; + +MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); +static struct usb_driver snd_us122l_usb_driver = { + .name = "snd-usb-us122l", + .probe = snd_us122l_probe, + .disconnect = snd_us122l_disconnect, + .suspend = snd_us122l_suspend, + .resume = snd_us122l_resume, + .reset_resume = snd_us122l_resume, + .id_table = snd_us122l_usb_id_table, + .supports_autosuspend = 1 +}; + + +static int __init snd_us122l_module_init(void) +{ + return usb_register(&snd_us122l_usb_driver); +} + +static void __exit snd_us122l_module_exit(void) +{ + usb_deregister(&snd_us122l_usb_driver); +} + +module_init(snd_us122l_module_init) +module_exit(snd_us122l_module_exit) diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h new file mode 100644 index 000000000000..3d10c4b2a0f5 --- /dev/null +++ b/sound/usb/usx2y/us122l.h @@ -0,0 +1,27 @@ +#ifndef US122L_H +#define US122L_H + + +struct us122l { + struct snd_usb_audio chip; + int stride; + struct usb_stream_kernel sk; + + struct mutex mutex; + struct file *first; + unsigned second_periods_polled; + struct file *master; + struct file *slave; + + atomic_t mmap_count; +}; + + +#define US122L(c) ((struct us122l *)(c)->private_data) + +#define NAME_ALLCAPS "US-122L" + +#define USB_ID_US122L 0x800E +#define USB_ID_US144 0x800F + +#endif diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c new file mode 100644 index 000000000000..ff23cc1ce3b9 --- /dev/null +++ b/sound/usb/usx2y/usb_stream.c @@ -0,0 +1,761 @@ +/* + * Copyright (C) 2007, 2008 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include + +#include "usb_stream.h" + + +/* setup */ + +static unsigned usb_stream_next_packet_size(struct usb_stream_kernel *sk) +{ + struct usb_stream *s = sk->s; + sk->out_phase_peeked = (sk->out_phase & 0xffff) + sk->freqn; + return (sk->out_phase_peeked >> 16) * s->cfg.frame_size; +} + +static void playback_prep_freqn(struct usb_stream_kernel *sk, struct urb *urb) +{ + struct usb_stream *s = sk->s; + unsigned l = 0; + int pack; + + urb->iso_frame_desc[0].offset = 0; + urb->iso_frame_desc[0].length = usb_stream_next_packet_size(sk); + sk->out_phase = sk->out_phase_peeked; + urb->transfer_buffer_length = urb->iso_frame_desc[0].length; + + for (pack = 1; pack < sk->n_o_ps; pack++) { + l = usb_stream_next_packet_size(sk); + if (s->idle_outsize + urb->transfer_buffer_length + l > + s->period_size) + goto check; + + sk->out_phase = sk->out_phase_peeked; + urb->iso_frame_desc[pack].offset = urb->transfer_buffer_length; + urb->iso_frame_desc[pack].length = l; + urb->transfer_buffer_length += l; + } + snd_printdd(KERN_DEBUG "%i\n", urb->transfer_buffer_length); + +check: + urb->number_of_packets = pack; + s->idle_outsize += urb->transfer_buffer_length - s->period_size; + snd_printdd(KERN_DEBUG "idle=%i ul=%i ps=%i\n", s->idle_outsize, + urb->transfer_buffer_length, s->period_size); +} + +static void init_pipe_urbs(struct usb_stream_kernel *sk, unsigned use_packsize, + struct urb **urbs, char *transfer, + struct usb_device *dev, int pipe) +{ + int u, p; + int maxpacket = use_packsize ? + use_packsize : usb_maxpacket(dev, pipe, usb_pipeout(pipe)); + int transfer_length = maxpacket * sk->n_o_ps; + + for (u = 0; u < USB_STREAM_NURBS; + ++u, transfer += transfer_length) { + struct urb *urb = urbs[u]; + struct usb_iso_packet_descriptor *desc; + urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_buffer = transfer; + urb->dev = dev; + urb->pipe = pipe; + urb->number_of_packets = sk->n_o_ps; + urb->context = sk; + urb->interval = 1; + if (usb_pipeout(pipe)) + continue; + + urb->transfer_buffer_length = transfer_length; + desc = urb->iso_frame_desc; + desc->offset = 0; + desc->length = maxpacket; + for (p = 1; p < sk->n_o_ps; ++p) { + desc[p].offset = desc[p - 1].offset + maxpacket; + desc[p].length = maxpacket; + } + } +} + +static void init_urbs(struct usb_stream_kernel *sk, unsigned use_packsize, + struct usb_device *dev, int in_pipe, int out_pipe) +{ + struct usb_stream *s = sk->s; + char *indata = (char *)s + sizeof(*s) + + sizeof(struct usb_stream_packet) * + s->inpackets; + int u; + + for (u = 0; u < USB_STREAM_NURBS; ++u) { + sk->inurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); + sk->outurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL); + } + + init_pipe_urbs(sk, use_packsize, sk->inurb, indata, dev, in_pipe); + init_pipe_urbs(sk, use_packsize, sk->outurb, sk->write_page, dev, + out_pipe); +} + + +/* + * convert a sampling rate into our full speed format (fs/1000 in Q16.16) + * this will overflow at approx 524 kHz + */ +static inline unsigned get_usb_full_speed_rate(unsigned rate) +{ + return ((rate << 13) + 62) / 125; +} + +/* + * convert a sampling rate into USB high speed format (fs/8000 in Q16.16) + * this will overflow at approx 4 MHz + */ +static inline unsigned get_usb_high_speed_rate(unsigned rate) +{ + return ((rate << 10) + 62) / 125; +} + +void usb_stream_free(struct usb_stream_kernel *sk) +{ + struct usb_stream *s; + unsigned u; + + for (u = 0; u < USB_STREAM_NURBS; ++u) { + usb_free_urb(sk->inurb[u]); + sk->inurb[u] = NULL; + usb_free_urb(sk->outurb[u]); + sk->outurb[u] = NULL; + } + + s = sk->s; + if (!s) + return; + + free_pages((unsigned long)sk->write_page, get_order(s->write_size)); + sk->write_page = NULL; + free_pages((unsigned long)s, get_order(s->read_size)); + sk->s = NULL; +} + +struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk, + struct usb_device *dev, + unsigned in_endpoint, unsigned out_endpoint, + unsigned sample_rate, unsigned use_packsize, + unsigned period_frames, unsigned frame_size) +{ + int packets, max_packsize; + int in_pipe, out_pipe; + int read_size = sizeof(struct usb_stream); + int write_size; + int usb_frames = dev->speed == USB_SPEED_HIGH ? 8000 : 1000; + int pg; + + in_pipe = usb_rcvisocpipe(dev, in_endpoint); + out_pipe = usb_sndisocpipe(dev, out_endpoint); + + max_packsize = use_packsize ? + use_packsize : usb_maxpacket(dev, in_pipe, 0); + + /* + t_period = period_frames / sample_rate + iso_packs = t_period / t_iso_frame + = (period_frames / sample_rate) * (1 / t_iso_frame) + */ + + packets = period_frames * usb_frames / sample_rate + 1; + + if (dev->speed == USB_SPEED_HIGH) + packets = (packets + 7) & ~7; + + read_size += packets * USB_STREAM_URBDEPTH * + (max_packsize + sizeof(struct usb_stream_packet)); + + max_packsize = usb_maxpacket(dev, out_pipe, 1); + write_size = max_packsize * packets * USB_STREAM_URBDEPTH; + + if (read_size >= 256*PAGE_SIZE || write_size >= 256*PAGE_SIZE) { + snd_printk(KERN_WARNING "a size exceeds 128*PAGE_SIZE\n"); + goto out; + } + + pg = get_order(read_size); + sk->s = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP|__GFP_ZERO, pg); + if (!sk->s) { + snd_printk(KERN_WARNING "couldn't __get_free_pages()\n"); + goto out; + } + sk->s->cfg.version = USB_STREAM_INTERFACE_VERSION; + + sk->s->read_size = read_size; + + sk->s->cfg.sample_rate = sample_rate; + sk->s->cfg.frame_size = frame_size; + sk->n_o_ps = packets; + sk->s->inpackets = packets * USB_STREAM_URBDEPTH; + sk->s->cfg.period_frames = period_frames; + sk->s->period_size = frame_size * period_frames; + + sk->s->write_size = write_size; + pg = get_order(write_size); + + sk->write_page = + (void *)__get_free_pages(GFP_KERNEL|__GFP_COMP|__GFP_ZERO, pg); + if (!sk->write_page) { + snd_printk(KERN_WARNING "couldn't __get_free_pages()\n"); + usb_stream_free(sk); + return NULL; + } + + /* calculate the frequency in 16.16 format */ + if (dev->speed == USB_SPEED_FULL) + sk->freqn = get_usb_full_speed_rate(sample_rate); + else + sk->freqn = get_usb_high_speed_rate(sample_rate); + + init_urbs(sk, use_packsize, dev, in_pipe, out_pipe); + sk->s->state = usb_stream_stopped; +out: + return sk->s; +} + + +/* start */ + +static bool balance_check(struct usb_stream_kernel *sk, struct urb *urb) +{ + bool r; + if (unlikely(urb->status)) { + if (urb->status != -ESHUTDOWN && urb->status != -ENOENT) + snd_printk(KERN_WARNING "status=%i\n", urb->status); + sk->iso_frame_balance = 0x7FFFFFFF; + return false; + } + r = sk->iso_frame_balance == 0; + if (!r) + sk->i_urb = urb; + return r; +} + +static bool balance_playback(struct usb_stream_kernel *sk, struct urb *urb) +{ + sk->iso_frame_balance += urb->number_of_packets; + return balance_check(sk, urb); +} + +static bool balance_capture(struct usb_stream_kernel *sk, struct urb *urb) +{ + sk->iso_frame_balance -= urb->number_of_packets; + return balance_check(sk, urb); +} + +static void subs_set_complete(struct urb **urbs, void (*complete)(struct urb *)) +{ + int u; + + for (u = 0; u < USB_STREAM_NURBS; u++) { + struct urb *urb = urbs[u]; + urb->complete = complete; + } +} + +int usb_stream_prepare_playback(struct usb_stream_kernel *sk, struct urb *inurb) +{ + struct usb_stream *s = sk->s; + struct urb *io; + struct usb_iso_packet_descriptor *id, *od; + int p, l = 0; + + io = sk->idle_outurb; + od = io->iso_frame_desc; + io->transfer_buffer_length = 0; + + for (p = 0; s->sync_packet < 0; ++p, ++s->sync_packet) { + struct urb *ii = sk->completed_inurb; + id = ii->iso_frame_desc + + ii->number_of_packets + s->sync_packet; + l = id->actual_length; + + od[p].length = l; + od[p].offset = io->transfer_buffer_length; + io->transfer_buffer_length += l; + } + + for (; + s->sync_packet < inurb->number_of_packets && p < sk->n_o_ps; + ++p, ++s->sync_packet) { + l = inurb->iso_frame_desc[s->sync_packet].actual_length; + + if (s->idle_outsize + io->transfer_buffer_length + l > + s->period_size) + goto check_ok; + + od[p].length = l; + od[p].offset = io->transfer_buffer_length; + io->transfer_buffer_length += l; + } + +check_ok: + s->sync_packet -= inurb->number_of_packets; + if (s->sync_packet < -2 || s->sync_packet > 0) { + snd_printk(KERN_WARNING "invalid sync_packet = %i;" + " p=%i nop=%i %i %x %x %x > %x\n", + s->sync_packet, p, inurb->number_of_packets, + s->idle_outsize + io->transfer_buffer_length + l, + s->idle_outsize, io->transfer_buffer_length, l, + s->period_size); + return -1; + } + if (io->transfer_buffer_length % s->cfg.frame_size) { + snd_printk(KERN_WARNING"invalid outsize = %i\n", + io->transfer_buffer_length); + return -1; + } + s->idle_outsize += io->transfer_buffer_length - s->period_size; + io->number_of_packets = p; + if (s->idle_outsize > 0) { + snd_printk(KERN_WARNING "idle=%i\n", s->idle_outsize); + return -1; + } + return 0; +} + +static void prepare_inurb(int number_of_packets, struct urb *iu) +{ + struct usb_iso_packet_descriptor *id; + int p; + + iu->number_of_packets = number_of_packets; + id = iu->iso_frame_desc; + id->offset = 0; + for (p = 0; p < iu->number_of_packets - 1; ++p) + id[p + 1].offset = id[p].offset + id[p].length; + + iu->transfer_buffer_length = + id[0].length * iu->number_of_packets; +} + +static int submit_urbs(struct usb_stream_kernel *sk, + struct urb *inurb, struct urb *outurb) +{ + int err; + prepare_inurb(sk->idle_outurb->number_of_packets, sk->idle_inurb); + err = usb_submit_urb(sk->idle_inurb, GFP_ATOMIC); + if (err < 0) { + snd_printk(KERN_ERR "%i\n", err); + return err; + } + sk->idle_inurb = sk->completed_inurb; + sk->completed_inurb = inurb; + err = usb_submit_urb(sk->idle_outurb, GFP_ATOMIC); + if (err < 0) { + snd_printk(KERN_ERR "%i\n", err); + return err; + } + sk->idle_outurb = sk->completed_outurb; + sk->completed_outurb = outurb; + return 0; +} + +#ifdef DEBUG_LOOP_BACK +/* + This loop_back() shows how to read/write the period data. + */ +static void loop_back(struct usb_stream *s) +{ + char *i, *o; + int il, ol, l, p; + struct urb *iu; + struct usb_iso_packet_descriptor *id; + + o = s->playback1st_to; + ol = s->playback1st_size; + l = 0; + + if (s->insplit_pack >= 0) { + iu = sk->idle_inurb; + id = iu->iso_frame_desc; + p = s->insplit_pack; + } else + goto second; +loop: + for (; p < iu->number_of_packets && l < s->period_size; ++p) { + i = iu->transfer_buffer + id[p].offset; + il = id[p].actual_length; + if (l + il > s->period_size) + il = s->period_size - l; + if (il <= ol) { + memcpy(o, i, il); + o += il; + ol -= il; + } else { + memcpy(o, i, ol); + singen_6pack(o, ol); + o = s->playback_to; + memcpy(o, i + ol, il - ol); + o += il - ol; + ol = s->period_size - s->playback1st_size; + } + l += il; + } + if (iu == sk->completed_inurb) { + if (l != s->period_size) + printk(KERN_DEBUG"%s:%i %i\n", __func__, __LINE__, + l/(int)s->cfg.frame_size); + + return; + } +second: + iu = sk->completed_inurb; + id = iu->iso_frame_desc; + p = 0; + goto loop; + +} +#else +static void loop_back(struct usb_stream *s) +{ +} +#endif + +static void stream_idle(struct usb_stream_kernel *sk, + struct urb *inurb, struct urb *outurb) +{ + struct usb_stream *s = sk->s; + int l, p; + int insize = s->idle_insize; + int urb_size = 0; + + s->inpacket_split = s->next_inpacket_split; + s->inpacket_split_at = s->next_inpacket_split_at; + s->next_inpacket_split = -1; + s->next_inpacket_split_at = 0; + + for (p = 0; p < inurb->number_of_packets; ++p) { + struct usb_iso_packet_descriptor *id = inurb->iso_frame_desc; + l = id[p].actual_length; + if (unlikely(l == 0 || id[p].status)) { + snd_printk(KERN_WARNING "underrun, status=%u\n", + id[p].status); + goto err_out; + } + s->inpacket_head++; + s->inpacket_head %= s->inpackets; + if (s->inpacket_split == -1) + s->inpacket_split = s->inpacket_head; + + s->inpacket[s->inpacket_head].offset = + id[p].offset + (inurb->transfer_buffer - (void *)s); + s->inpacket[s->inpacket_head].length = l; + if (insize + l > s->period_size && + s->next_inpacket_split == -1) { + s->next_inpacket_split = s->inpacket_head; + s->next_inpacket_split_at = s->period_size - insize; + } + insize += l; + urb_size += l; + } + s->idle_insize += urb_size - s->period_size; + if (s->idle_insize < 0) { + snd_printk(KERN_WARNING "%i\n", + (s->idle_insize)/(int)s->cfg.frame_size); + goto err_out; + } + s->insize_done += urb_size; + + l = s->idle_outsize; + s->outpacket[0].offset = (sk->idle_outurb->transfer_buffer - + sk->write_page) - l; + + if (usb_stream_prepare_playback(sk, inurb) < 0) + goto err_out; + + s->outpacket[0].length = sk->idle_outurb->transfer_buffer_length + l; + s->outpacket[1].offset = sk->completed_outurb->transfer_buffer - + sk->write_page; + + if (submit_urbs(sk, inurb, outurb) < 0) + goto err_out; + + loop_back(s); + s->periods_done++; + wake_up_all(&sk->sleep); + return; +err_out: + s->state = usb_stream_xrun; + wake_up_all(&sk->sleep); +} + +static void i_capture_idle(struct urb *urb) +{ + struct usb_stream_kernel *sk = urb->context; + if (balance_capture(sk, urb)) + stream_idle(sk, urb, sk->i_urb); +} + +static void i_playback_idle(struct urb *urb) +{ + struct usb_stream_kernel *sk = urb->context; + if (balance_playback(sk, urb)) + stream_idle(sk, sk->i_urb, urb); +} + +static void stream_start(struct usb_stream_kernel *sk, + struct urb *inurb, struct urb *outurb) +{ + struct usb_stream *s = sk->s; + if (s->state >= usb_stream_sync1) { + int l, p, max_diff, max_diff_0; + int urb_size = 0; + unsigned frames_per_packet, min_frames = 0; + frames_per_packet = (s->period_size - s->idle_insize); + frames_per_packet <<= 8; + frames_per_packet /= + s->cfg.frame_size * inurb->number_of_packets; + frames_per_packet++; + + max_diff_0 = s->cfg.frame_size; + if (s->cfg.period_frames >= 256) + max_diff_0 <<= 1; + if (s->cfg.period_frames >= 1024) + max_diff_0 <<= 1; + max_diff = max_diff_0; + for (p = 0; p < inurb->number_of_packets; ++p) { + int diff; + l = inurb->iso_frame_desc[p].actual_length; + urb_size += l; + + min_frames += frames_per_packet; + diff = urb_size - + (min_frames >> 8) * s->cfg.frame_size; + if (diff < max_diff) { + snd_printdd(KERN_DEBUG "%i %i %i %i\n", + s->insize_done, + urb_size / (int)s->cfg.frame_size, + inurb->number_of_packets, diff); + max_diff = diff; + } + } + s->idle_insize -= max_diff - max_diff_0; + s->idle_insize += urb_size - s->period_size; + if (s->idle_insize < 0) { + snd_printk("%i %i %i\n", + s->idle_insize, urb_size, s->period_size); + return; + } else if (s->idle_insize == 0) { + s->next_inpacket_split = + (s->inpacket_head + 1) % s->inpackets; + s->next_inpacket_split_at = 0; + } else { + unsigned split = s->inpacket_head; + l = s->idle_insize; + while (l > s->inpacket[split].length) { + l -= s->inpacket[split].length; + if (split == 0) + split = s->inpackets - 1; + else + split--; + } + s->next_inpacket_split = split; + s->next_inpacket_split_at = + s->inpacket[split].length - l; + } + + s->insize_done += urb_size; + + if (usb_stream_prepare_playback(sk, inurb) < 0) + return; + + } else + playback_prep_freqn(sk, sk->idle_outurb); + + if (submit_urbs(sk, inurb, outurb) < 0) + return; + + if (s->state == usb_stream_sync1 && s->insize_done > 360000) { + /* just guesswork ^^^^^^ */ + s->state = usb_stream_ready; + subs_set_complete(sk->inurb, i_capture_idle); + subs_set_complete(sk->outurb, i_playback_idle); + } +} + +static void i_capture_start(struct urb *urb) +{ + struct usb_iso_packet_descriptor *id = urb->iso_frame_desc; + struct usb_stream_kernel *sk = urb->context; + struct usb_stream *s = sk->s; + int p; + int empty = 0; + + if (urb->status) { + snd_printk(KERN_WARNING "status=%i\n", urb->status); + return; + } + + for (p = 0; p < urb->number_of_packets; ++p) { + int l = id[p].actual_length; + if (l < s->cfg.frame_size) { + ++empty; + if (s->state >= usb_stream_sync0) { + snd_printk(KERN_WARNING "%i\n", l); + return; + } + } + s->inpacket_head++; + s->inpacket_head %= s->inpackets; + s->inpacket[s->inpacket_head].offset = + id[p].offset + (urb->transfer_buffer - (void *)s); + s->inpacket[s->inpacket_head].length = l; + } +#ifdef SHOW_EMPTY + if (empty) { + printk(KERN_DEBUG"%s:%i: %i", __func__, __LINE__, + urb->iso_frame_desc[0].actual_length); + for (pack = 1; pack < urb->number_of_packets; ++pack) { + int l = urb->iso_frame_desc[pack].actual_length; + printk(" %i", l); + } + printk("\n"); + } +#endif + if (!empty && s->state < usb_stream_sync1) + ++s->state; + + if (balance_capture(sk, urb)) + stream_start(sk, urb, sk->i_urb); +} + +static void i_playback_start(struct urb *urb) +{ + struct usb_stream_kernel *sk = urb->context; + if (balance_playback(sk, urb)) + stream_start(sk, sk->i_urb, urb); +} + +int usb_stream_start(struct usb_stream_kernel *sk) +{ + struct usb_stream *s = sk->s; + int frame = 0, iters = 0; + int u, err; + int try = 0; + + if (s->state != usb_stream_stopped) + return -EAGAIN; + + subs_set_complete(sk->inurb, i_capture_start); + subs_set_complete(sk->outurb, i_playback_start); + memset(sk->write_page, 0, s->write_size); +dotry: + s->insize_done = 0; + s->idle_insize = 0; + s->idle_outsize = 0; + s->sync_packet = -1; + s->inpacket_head = -1; + sk->iso_frame_balance = 0; + ++try; + for (u = 0; u < 2; u++) { + struct urb *inurb = sk->inurb[u]; + struct urb *outurb = sk->outurb[u]; + playback_prep_freqn(sk, outurb); + inurb->number_of_packets = outurb->number_of_packets; + inurb->transfer_buffer_length = + inurb->number_of_packets * + inurb->iso_frame_desc[0].length; + preempt_disable(); + if (u == 0) { + int now; + struct usb_device *dev = inurb->dev; + frame = usb_get_current_frame_number(dev); + do { + now = usb_get_current_frame_number(dev); + ++iters; + } while (now > -1 && now == frame); + } + err = usb_submit_urb(inurb, GFP_ATOMIC); + if (err < 0) { + preempt_enable(); + snd_printk(KERN_ERR"usb_submit_urb(sk->inurb[%i])" + " returned %i\n", u, err); + return err; + } + err = usb_submit_urb(outurb, GFP_ATOMIC); + if (err < 0) { + preempt_enable(); + snd_printk(KERN_ERR"usb_submit_urb(sk->outurb[%i])" + " returned %i\n", u, err); + return err; + } + preempt_enable(); + if (inurb->start_frame != outurb->start_frame) { + snd_printd(KERN_DEBUG + "u[%i] start_frames differ in:%u out:%u\n", + u, inurb->start_frame, outurb->start_frame); + goto check_retry; + } + } + snd_printdd(KERN_DEBUG "%i %i\n", frame, iters); + try = 0; +check_retry: + if (try) { + usb_stream_stop(sk); + if (try < 5) { + msleep(1500); + snd_printd(KERN_DEBUG "goto dotry;\n"); + goto dotry; + } + snd_printk(KERN_WARNING"couldn't start" + " all urbs on the same start_frame.\n"); + return -EFAULT; + } + + sk->idle_inurb = sk->inurb[USB_STREAM_NURBS - 2]; + sk->idle_outurb = sk->outurb[USB_STREAM_NURBS - 2]; + sk->completed_inurb = sk->inurb[USB_STREAM_NURBS - 1]; + sk->completed_outurb = sk->outurb[USB_STREAM_NURBS - 1]; + +/* wait, check */ + { + int wait_ms = 3000; + while (s->state != usb_stream_ready && wait_ms > 0) { + snd_printdd(KERN_DEBUG "%i\n", s->state); + msleep(200); + wait_ms -= 200; + } + } + + return s->state == usb_stream_ready ? 0 : -EFAULT; +} + + +/* stop */ + +void usb_stream_stop(struct usb_stream_kernel *sk) +{ + int u; + if (!sk->s) + return; + for (u = 0; u < USB_STREAM_NURBS; ++u) { + usb_kill_urb(sk->inurb[u]); + usb_kill_urb(sk->outurb[u]); + } + sk->s->state = usb_stream_stopped; + msleep(400); +} diff --git a/sound/usb/usx2y/usb_stream.h b/sound/usb/usx2y/usb_stream.h new file mode 100644 index 000000000000..4dd74ab1e9cc --- /dev/null +++ b/sound/usb/usx2y/usb_stream.h @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2007, 2008 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#define USB_STREAM_INTERFACE_VERSION 2 + +#define SNDRV_USB_STREAM_IOCTL_SET_PARAMS \ + _IOW('H', 0x90, struct usb_stream_config) + +struct usb_stream_packet { + unsigned offset; + unsigned length; +}; + + +struct usb_stream_config { + unsigned version; + unsigned sample_rate; + unsigned period_frames; + unsigned frame_size; +}; + +struct usb_stream { + struct usb_stream_config cfg; + unsigned read_size; + unsigned write_size; + + int period_size; + + unsigned state; + + int idle_insize; + int idle_outsize; + int sync_packet; + unsigned insize_done; + unsigned periods_done; + unsigned periods_polled; + + struct usb_stream_packet outpacket[2]; + unsigned inpackets; + unsigned inpacket_head; + unsigned inpacket_split; + unsigned inpacket_split_at; + unsigned next_inpacket_split; + unsigned next_inpacket_split_at; + struct usb_stream_packet inpacket[0]; +}; + +enum usb_stream_state { + usb_stream_invalid, + usb_stream_stopped, + usb_stream_sync0, + usb_stream_sync1, + usb_stream_ready, + usb_stream_running, + usb_stream_xrun, +}; + +#if __KERNEL__ + +#define USB_STREAM_NURBS 4 +#define USB_STREAM_URBDEPTH 4 + +struct usb_stream_kernel { + struct usb_stream *s; + + void *write_page; + + unsigned n_o_ps; + + struct urb *inurb[USB_STREAM_NURBS]; + struct urb *idle_inurb; + struct urb *completed_inurb; + struct urb *outurb[USB_STREAM_NURBS]; + struct urb *idle_outurb; + struct urb *completed_outurb; + struct urb *i_urb; + + int iso_frame_balance; + + wait_queue_head_t sleep; + + unsigned out_phase; + unsigned out_phase_peeked; + unsigned freqn; +}; + +struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk, + struct usb_device *dev, + unsigned in_endpoint, unsigned out_endpoint, + unsigned sample_rate, unsigned use_packsize, + unsigned period_frames, unsigned frame_size); +void usb_stream_free(struct usb_stream_kernel *); +int usb_stream_start(struct usb_stream_kernel *); +void usb_stream_stop(struct usb_stream_kernel *); + + +#endif -- GitLab From f90c06a2b613eea24a77d56f24b084745c43713d Mon Sep 17 00:00:00 2001 From: Pawel MOLL Date: Wed, 30 Jul 2008 12:46:40 +0100 Subject: [PATCH 0239/6244] ALSA: Fix limit of 8 PCM devices in SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE When compiled with CONFIG_SND_DYNAMIC_MINORS the ALSA core is fine to have more than 8 PCM devices per card, except one place - the SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE ioctl, which will not enumerate devices > 7. This patch fixes the issue, changing the devices list organisation. Instead of adding new device to the tail, the list is now kept always ordered (by card number, then device number). Thus, during enumeration, it is easy to discover the fact that there is no more given card's devices. Additionally the device field of struct snd_pcm had to be changed to int, as its "unsignednity" caused a lot of problems when comparing it to potentially negative signed values. (-1 is 0xffffffff or even more then ;-) Signed-off-by: Pawel Moll Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/minors.h | 2 ++ include/sound/pcm.h | 9 ++++++-- sound/core/pcm.c | 50 +++++++++++++++++++++++++++++++----------- sound/core/sound.c | 2 -- 4 files changed, 46 insertions(+), 17 deletions(-) diff --git a/include/sound/minors.h b/include/sound/minors.h index 46bcd2023ed8..a81798ab73ed 100644 --- a/include/sound/minors.h +++ b/include/sound/minors.h @@ -21,6 +21,8 @@ * */ +#define SNDRV_OS_MINORS 256 + #define SNDRV_MINOR_DEVICES 32 #define SNDRV_MINOR_CARD(minor) ((minor) >> 5) #define SNDRV_MINOR_DEVICE(minor) ((minor) & 0x001f) diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 51d58ccda2d8..5dd8ea4a8c4b 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -25,6 +25,7 @@ #include #include +#include #include #include #include @@ -84,7 +85,11 @@ struct snd_pcm_ops { * */ -#define SNDRV_PCM_DEVICES 8 +#if defined(CONFIG_SND_DYNAMIC_MINORS) +#define SNDRV_PCM_DEVICES (SNDRV_OS_MINORS-2) +#else +#define SNDRV_PCM_DEVICES 8 +#endif #define SNDRV_PCM_IOCTL1_FALSE ((void *)0) #define SNDRV_PCM_IOCTL1_TRUE ((void *)1) @@ -416,7 +421,7 @@ struct snd_pcm_str { struct snd_pcm { struct snd_card *card; struct list_head list; - unsigned int device; /* device number */ + int device; /* device number */ unsigned int info_flags; unsigned short dev_class; unsigned short dev_subclass; diff --git a/sound/core/pcm.c b/sound/core/pcm.c index ece25c718e95..517388b2eba9 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -42,7 +42,7 @@ static int snd_pcm_dev_free(struct snd_device *device); static int snd_pcm_dev_register(struct snd_device *device); static int snd_pcm_dev_disconnect(struct snd_device *device); -static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device) +static struct snd_pcm *snd_pcm_get(struct snd_card *card, int device) { struct snd_pcm *pcm; @@ -53,6 +53,37 @@ static struct snd_pcm *snd_pcm_search(struct snd_card *card, int device) return NULL; } +static int snd_pcm_next(struct snd_card *card, int device) +{ + struct snd_pcm *pcm; + + list_for_each_entry(pcm, &snd_pcm_devices, list) { + if (pcm->card == card && pcm->device > device) + return pcm->device; + else if (pcm->card->number > card->number) + return -1; + } + return -1; +} + +static int snd_pcm_add(struct snd_pcm *newpcm) +{ + struct snd_pcm *pcm; + + list_for_each_entry(pcm, &snd_pcm_devices, list) { + if (pcm->card == newpcm->card && pcm->device == newpcm->device) + return -EBUSY; + if (pcm->card->number > newpcm->card->number || + (pcm->card == newpcm->card && + pcm->device > newpcm->device)) { + list_add(&newpcm->list, pcm->list.prev); + return 0; + } + } + list_add_tail(&newpcm->list, &snd_pcm_devices); + return 0; +} + static int snd_pcm_control_ioctl(struct snd_card *card, struct snd_ctl_file *control, unsigned int cmd, unsigned long arg) @@ -65,14 +96,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(device, (int __user *)arg)) return -EFAULT; mutex_lock(®ister_mutex); - device = device < 0 ? 0 : device + 1; - while (device < SNDRV_PCM_DEVICES) { - if (snd_pcm_search(card, device)) - break; - device++; - } - if (device == SNDRV_PCM_DEVICES) - device = -1; + device = snd_pcm_next(card, device); mutex_unlock(®ister_mutex); if (put_user(device, (int __user *)arg)) return -EFAULT; @@ -98,7 +122,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, if (get_user(subdevice, &info->subdevice)) return -EFAULT; mutex_lock(®ister_mutex); - pcm = snd_pcm_search(card, device); + pcm = snd_pcm_get(card, device); if (pcm == NULL) { err = -ENXIO; goto _error; @@ -931,11 +955,11 @@ static int snd_pcm_dev_register(struct snd_device *device) snd_assert(pcm != NULL && device != NULL, return -ENXIO); mutex_lock(®ister_mutex); - if (snd_pcm_search(pcm->card, pcm->device)) { + err = snd_pcm_add(pcm); + if (err) { mutex_unlock(®ister_mutex); - return -EBUSY; + return err; } - list_add_tail(&pcm->list, &snd_pcm_devices); for (cidx = 0; cidx < 2; cidx++) { int devtype = -1; if (pcm->streams[cidx].substream == NULL) diff --git a/sound/core/sound.c b/sound/core/sound.c index 1003ae375d47..838dd9ee957c 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -34,8 +34,6 @@ #include #include -#define SNDRV_OS_MINORS 256 - static int major = CONFIG_SND_MAJOR; int snd_major; EXPORT_SYMBOL(snd_major); -- GitLab From 740dc9c4766b462ae88a630e969ddd3ef83a6125 Mon Sep 17 00:00:00 2001 From: Misha Zhilin Date: Fri, 1 Aug 2008 12:45:14 +0200 Subject: [PATCH 0240/6244] ALSA: ice1724 - Support for Terrasoniq/MUSONIK TS22 PCI card Added support for Terrasoniq/MUSONIK TS22 PCI card. Signed-off-by: Misha Zhilin Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ice1712/phase.c | 12 ++++++++++++ sound/pci/ice1712/phase.h | 4 +++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/sound/pci/ice1712/phase.c b/sound/pci/ice1712/phase.c index 5a158b73dcaa..f5acdeef4438 100644 --- a/sound/pci/ice1712/phase.c +++ b/sound/pci/ice1712/phase.c @@ -120,6 +120,7 @@ static int __devinit phase22_init(struct snd_ice1712 *ice) // Configure DAC/ADC description for generic part of ice1724 switch (ice->eeprom.subvendor) { case VT1724_SUBDEVICE_PHASE22: + case VT1724_SUBDEVICE_TS22: ice->num_total_dacs = 2; ice->num_total_adcs = 2; ice->vt1720 = 1; // Envy24HT-S have 16 bit wide GPIO @@ -136,6 +137,7 @@ static int __devinit phase22_init(struct snd_ice1712 *ice) ice->akm_codecs = 1; switch (ice->eeprom.subvendor) { case VT1724_SUBDEVICE_PHASE22: + case VT1724_SUBDEVICE_TS22: if ((err = snd_ice1712_akm4xxx_init(ak, &akm_phase22, &akm_phase22_priv, ice)) < 0) return err; break; @@ -150,6 +152,7 @@ static int __devinit phase22_add_controls(struct snd_ice1712 *ice) switch (ice->eeprom.subvendor) { case VT1724_SUBDEVICE_PHASE22: + case VT1724_SUBDEVICE_TS22: err = snd_ice1712_akm4xxx_build_controls(ice); if (err < 0) return err; @@ -904,5 +907,14 @@ struct snd_ice1712_card_info snd_vt1724_phase_cards[] __devinitdata = { .eeprom_size = sizeof(phase28_eeprom), .eeprom_data = phase28_eeprom, }, + { + .subvendor = VT1724_SUBDEVICE_TS22, + .name = "Terrasoniq TS22 PCI", + .model = "TS22", + .chip_init = phase22_init, + .build_controls = phase22_add_controls, + .eeprom_size = sizeof(phase22_eeprom), + .eeprom_data = phase22_eeprom, + }, { } /* terminator */ }; diff --git a/sound/pci/ice1712/phase.h b/sound/pci/ice1712/phase.h index 13e841b55488..5f0c4dbf30d5 100644 --- a/sound/pci/ice1712/phase.h +++ b/sound/pci/ice1712/phase.h @@ -25,10 +25,12 @@ */ #define PHASE_DEVICE_DESC "{Terratec,Phase 22},"\ - "{Terratec,Phase 28}," + "{Terratec,Phase 28},"\ + "{Terrasoniq,TS22}," #define VT1724_SUBDEVICE_PHASE22 0x3b155011 #define VT1724_SUBDEVICE_PHASE28 0x3b154911 +#define VT1724_SUBDEVICE_TS22 0x3b157b11 /* entry point */ extern struct snd_ice1712_card_info snd_vt1724_phase_cards[]; -- GitLab From 34a82443b79dcda4304b229d555586296da40c16 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 30 Jul 2008 12:35:05 -0700 Subject: [PATCH 0241/6244] [MTD] dataflash OTP support Now that we can tell when we have one of the newer DataFlash chips, optionally expose the 128 bytes of OTP memory they provide. Tested on at45db642 revision B and D chips. Switch mtdchar over to a generic HAVE_MTD_OTP flag instead of adding another #ifdef for each type of chip whose driver has OTP support. Signed-off-by: David Brownell Cc: Bryan Wu Cc: Michael Hennerich Signed-off-by: Andrew Morton Signed-off-by: David Woodhouse --- drivers/mtd/Kconfig | 5 + drivers/mtd/chips/Kconfig | 1 + drivers/mtd/devices/Kconfig | 11 ++ drivers/mtd/devices/mtd_dataflash.c | 206 +++++++++++++++++++++++++++- drivers/mtd/mtdchar.c | 4 +- drivers/mtd/onenand/Kconfig | 1 + 6 files changed, 219 insertions(+), 9 deletions(-) diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 14f11f8b9e5f..a90d50c2c3e5 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -172,6 +172,11 @@ config MTD_CHAR memory chips, and also use ioctl() to obtain information about the device, or to erase parts of it. +config HAVE_MTD_OTP + bool + help + Enable access to OTP regions using MTD_CHAR. + config MTD_BLKDEVS tristate "Common interface to block layer for MTD 'translation layers'" depends on BLOCK diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index 479d32b57a1e..4c35e5d77f95 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -154,6 +154,7 @@ config MTD_CFI_I8 config MTD_OTP bool "Protection Registers aka one-time programmable (OTP) bits" depends on MTD_CFI_ADV_OPTIONS + select HAVE_MTD_OTP default n help This enables support for reading, writing and locking so called diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index 9c613f06623c..88f4df047464 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -59,6 +59,17 @@ config MTD_DATAFLASH Sometimes DataFlash chips are packaged inside MMC-format cards; at this writing, the MMC stack won't handle those. +config MTD_DATAFLASH_OTP + bool "DataFlash OTP support (Security Register)" + depends on MTD_DATAFLASH + select HAVE_MTD_OTP + help + Newer DataFlash chips (revisions C and D) support 128 bytes of + one-time-programmable (OTP) data. The first half may be written + (once) with up to 64 bytes of data, such as a serial number or + other key product data. The second half is programmed with a + unique-to-each-chip bit pattern at the factory. + config MTD_M25P80 tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)" depends on SPI_MASTER && EXPERIMENTAL diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 8bd0dea6885f..17c9b20dca87 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -80,7 +80,8 @@ */ #define OP_READ_ID 0x9F #define OP_READ_SECURITY 0x77 -#define OP_WRITE_SECURITY 0x9A /* OTP bits */ +#define OP_WRITE_SECURITY_REVC 0x9A +#define OP_WRITE_SECURITY 0x9B /* revision D */ struct dataflash { @@ -451,16 +452,192 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, /* ......................................................................... */ +#ifdef CONFIG_MTD_DATAFLASH_OTP + +static int dataflash_get_otp_info(struct mtd_info *mtd, + struct otp_info *info, size_t len) +{ + /* Report both blocks as identical: bytes 0..64, locked. + * Unless the user block changed from all-ones, we can't + * tell whether it's still writable; so we assume it isn't. + */ + info->start = 0; + info->length = 64; + info->locked = 1; + return sizeof(*info); +} + +static ssize_t otp_read(struct spi_device *spi, unsigned base, + uint8_t *buf, loff_t off, size_t len) +{ + struct spi_message m; + size_t l; + uint8_t *scratch; + struct spi_transfer t; + int status; + + if (off > 64) + return -EINVAL; + + if ((off + len) > 64) + len = 64 - off; + if (len == 0) + return len; + + spi_message_init(&m); + + l = 4 + base + off + len; + scratch = kzalloc(l, GFP_KERNEL); + if (!scratch) + return -ENOMEM; + + /* OUT: OP_READ_SECURITY, 3 don't-care bytes, zeroes + * IN: ignore 4 bytes, data bytes 0..N (max 127) + */ + scratch[0] = OP_READ_SECURITY; + + memset(&t, 0, sizeof t); + t.tx_buf = scratch; + t.rx_buf = scratch; + t.len = l; + spi_message_add_tail(&t, &m); + + dataflash_waitready(spi); + + status = spi_sync(spi, &m); + if (status >= 0) { + memcpy(buf, scratch + 4 + base + off, len); + status = len; + } + + kfree(scratch); + return status; +} + +static int dataflash_read_fact_otp(struct mtd_info *mtd, + loff_t from, size_t len, size_t *retlen, u_char *buf) +{ + struct dataflash *priv = (struct dataflash *)mtd->priv; + int status; + + /* 64 bytes, from 0..63 ... start at 64 on-chip */ + mutex_lock(&priv->lock); + status = otp_read(priv->spi, 64, buf, from, len); + mutex_unlock(&priv->lock); + + if (status < 0) + return status; + *retlen = status; + return 0; +} + +static int dataflash_read_user_otp(struct mtd_info *mtd, + loff_t from, size_t len, size_t *retlen, u_char *buf) +{ + struct dataflash *priv = (struct dataflash *)mtd->priv; + int status; + + /* 64 bytes, from 0..63 ... start at 0 on-chip */ + mutex_lock(&priv->lock); + status = otp_read(priv->spi, 0, buf, from, len); + mutex_unlock(&priv->lock); + + if (status < 0) + return status; + *retlen = status; + return 0; +} + +static int dataflash_write_user_otp(struct mtd_info *mtd, + loff_t from, size_t len, size_t *retlen, u_char *buf) +{ + struct spi_message m; + const size_t l = 4 + 64; + uint8_t *scratch; + struct spi_transfer t; + struct dataflash *priv = (struct dataflash *)mtd->priv; + int status; + + if (len > 64) + return -EINVAL; + + /* Strictly speaking, we *could* truncate the write ... but + * let's not do that for the only write that's ever possible. + */ + if ((from + len) > 64) + return -EINVAL; + + /* OUT: OP_WRITE_SECURITY, 3 zeroes, 64 data-or-zero bytes + * IN: ignore all + */ + scratch = kzalloc(l, GFP_KERNEL); + if (!scratch) + return -ENOMEM; + scratch[0] = OP_WRITE_SECURITY; + memcpy(scratch + 4 + from, buf, len); + + spi_message_init(&m); + + memset(&t, 0, sizeof t); + t.tx_buf = scratch; + t.len = l; + spi_message_add_tail(&t, &m); + + /* Write the OTP bits, if they've not yet been written. + * This modifies SRAM buffer1. + */ + mutex_lock(&priv->lock); + dataflash_waitready(priv->spi); + status = spi_sync(priv->spi, &m); + mutex_unlock(&priv->lock); + + kfree(scratch); + + if (status >= 0) { + status = 0; + *retlen = len; + } + return status; +} + +static char *otp_setup(struct mtd_info *device, char revision) +{ + device->get_fact_prot_info = dataflash_get_otp_info; + device->read_fact_prot_reg = dataflash_read_fact_otp; + device->get_user_prot_info = dataflash_get_otp_info; + device->read_user_prot_reg = dataflash_read_user_otp; + + /* rev c parts (at45db321c and at45db1281 only!) use a + * different write procedure; not (yet?) implemented. + */ + if (revision > 'c') + device->write_user_prot_reg = dataflash_write_user_otp; + + return ", OTP"; +} + +#else + +static char *otp_setup(struct mtd_info *device) +{ + return " (OTP)"; +} + +#endif + +/* ......................................................................... */ + /* * Register DataFlash device with MTD subsystem. */ static int __devinit -add_dataflash(struct spi_device *spi, char *name, - int nr_pages, int pagesize, int pageoffset) +add_dataflash_otp(struct spi_device *spi, char *name, + int nr_pages, int pagesize, int pageoffset, char revision) { struct dataflash *priv; struct mtd_info *device; struct flash_platform_data *pdata = spi->dev.platform_data; + char *otp_tag = ""; priv = kzalloc(sizeof *priv, GFP_KERNEL); if (!priv) @@ -489,8 +666,12 @@ add_dataflash(struct spi_device *spi, char *name, device->write = dataflash_write; device->priv = priv; - dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes\n", - name, DIV_ROUND_UP(device->size, 1024), pagesize); + if (revision >= 'c') + otp_tag = otp_setup(device, revision); + + dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes%s\n", + name, DIV_ROUND_UP(device->size, 1024), + pagesize, otp_tag); dev_set_drvdata(&spi->dev, priv); if (mtd_has_partitions()) { @@ -519,6 +700,14 @@ add_dataflash(struct spi_device *spi, char *name, return add_mtd_device(device) == 1 ? -ENODEV : 0; } +static inline int __devinit +add_dataflash(struct spi_device *spi, char *name, + int nr_pages, int pagesize, int pageoffset) +{ + return add_dataflash_otp(spi, name, nr_pages, pagesize, + pageoffset, 0); +} + struct flash_info { char *name; @@ -664,13 +853,16 @@ static int __devinit dataflash_probe(struct spi_device *spi) * Try to detect dataflash by JEDEC ID. * If it succeeds we know we have either a C or D part. * D will support power of 2 pagesize option. + * Both support the security register, though with different + * write procedures. */ info = jedec_probe(spi); if (IS_ERR(info)) return PTR_ERR(info); if (info != NULL) - return add_dataflash(spi, info->name, info->nr_pages, - info->pagesize, info->pageoffset); + return add_dataflash_otp(spi, info->name, info->nr_pages, + info->pagesize, info->pageoffset, + (info->flags & SUP_POW2PS) ? 'd' : 'c'); /* * Older chips support only legacy commands, identifing diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index d2f331876e4c..13cc67ad272a 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -350,7 +350,7 @@ static void mtdchar_erase_callback (struct erase_info *instr) wake_up((wait_queue_head_t *)instr->priv); } -#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP) +#ifdef CONFIG_HAVE_MTD_OTP static int otp_select_filemode(struct mtd_file_info *mfi, int mode) { struct mtd_info *mtd = mfi->mtd; @@ -663,7 +663,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file, break; } -#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP) +#ifdef CONFIG_HAVE_MTD_OTP case OTPSELECT: { int mode; diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig index cb41cbca64f7..b94a61b670d1 100644 --- a/drivers/mtd/onenand/Kconfig +++ b/drivers/mtd/onenand/Kconfig @@ -29,6 +29,7 @@ config MTD_ONENAND_GENERIC config MTD_ONENAND_OTP bool "OneNAND OTP Support" + select HAVE_MTD_OTP help One Block of the NAND Flash Array memory is reserved as a One-Time Programmable Block memory area. -- GitLab From feb2f55db45919aa80731f8877b60cab454b7b94 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 1 Aug 2008 11:53:29 +0300 Subject: [PATCH 0242/6244] [MTD] [OneNAND] Add defines for HF and sync write Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- include/linux/mtd/onenand_regs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index d1b310c92eb4..0c6bbe28f38c 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -152,6 +152,8 @@ #define ONENAND_SYS_CFG1_INT (1 << 6) #define ONENAND_SYS_CFG1_IOBE (1 << 5) #define ONENAND_SYS_CFG1_RDY_CONF (1 << 4) +#define ONENAND_SYS_CFG1_HF (1 << 2) +#define ONENAND_SYS_CFG1_SYNC_WRITE (1 << 1) /* * Controller Status Register F240h (R) -- GitLab From c4308d1076830a72e05eb3e5f58b9ed851229399 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 1 Aug 2008 11:44:20 -0500 Subject: [PATCH 0243/6244] [MTD] remove code associated with !CONFIG_PPC_MERGE Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore remove the dead code associated with !CONFIG_PPC_MERGE. The mtd maps should be using the OF based mechanism. Signed-off-by: Kumar Gala Acked-by: Josh Boyer Signed-off-by: David Woodhouse --- drivers/mtd/maps/Kconfig | 24 ------ drivers/mtd/maps/Makefile | 3 - drivers/mtd/maps/ebony.c | 163 -------------------------------------- drivers/mtd/maps/ocotea.c | 154 ----------------------------------- drivers/mtd/maps/walnut.c | 122 ---------------------------- 5 files changed, 466 deletions(-) delete mode 100644 drivers/mtd/maps/ebony.c delete mode 100644 drivers/mtd/maps/ocotea.c delete mode 100644 drivers/mtd/maps/walnut.c diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index df8e00bba07b..db667b16c043 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -332,30 +332,6 @@ config MTD_CFI_FLAGADM Mapping for the Flaga digital module. If you don't have one, ignore this setting. -config MTD_WALNUT - tristate "Flash device mapped on IBM 405GP Walnut" - depends on MTD_JEDECPROBE && WALNUT && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 405GP - Walnut board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - -config MTD_EBONY - tristate "Flash devices mapped on IBM 440GP Ebony" - depends on MTD_JEDECPROBE && EBONY && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 440GP - Ebony board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - -config MTD_OCOTEA - tristate "Flash devices mapped on IBM 440GX Ocotea" - depends on MTD_CFI && OCOTEA && !PPC_MERGE - help - This enables access routines for the flash chips on the IBM 440GX - Ocotea board. If you have one of these boards and would like to - use the flash chips on it, say 'Y'. - config MTD_REDWOOD tristate "CFI Flash devices mapped on IBM Redwood" depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 ) diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 6cda6df973e5..b2582506cde9 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -50,9 +50,6 @@ obj-$(CONFIG_MTD_REDWOOD) += redwood.o obj-$(CONFIG_MTD_UCLINUX) += uclinux.o obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o -obj-$(CONFIG_MTD_EBONY) += ebony.o -obj-$(CONFIG_MTD_OCOTEA) += ocotea.o -obj-$(CONFIG_MTD_WALNUT) += walnut.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o diff --git a/drivers/mtd/maps/ebony.c b/drivers/mtd/maps/ebony.c deleted file mode 100644 index d92b7c70d3ed..000000000000 --- a/drivers/mtd/maps/ebony.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Mapping for Ebony user flash - * - * Matt Porter - * - * Copyright 2002-2004 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static struct mtd_info *flash; - -static struct map_info ebony_small_map = { - .name = "Ebony small flash", - .size = EBONY_SMALL_FLASH_SIZE, - .bankwidth = 1, -}; - -static struct map_info ebony_large_map = { - .name = "Ebony large flash", - .size = EBONY_LARGE_FLASH_SIZE, - .bankwidth = 1, -}; - -static struct mtd_partition ebony_small_partitions[] = { - { - .name = "OpenBIOS", - .offset = 0x0, - .size = 0x80000, - } -}; - -static struct mtd_partition ebony_large_partitions[] = { - { - .name = "fs", - .offset = 0, - .size = 0x380000, - }, - { - .name = "firmware", - .offset = 0x380000, - .size = 0x80000, - } -}; - -int __init init_ebony(void) -{ - u8 fpga0_reg; - u8 __iomem *fpga0_adr; - unsigned long long small_flash_base, large_flash_base; - - fpga0_adr = ioremap64(EBONY_FPGA_ADDR, 16); - if (!fpga0_adr) - return -ENOMEM; - - fpga0_reg = readb(fpga0_adr); - iounmap(fpga0_adr); - - if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_HIGH2; - else if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_HIGH1; - else if (!EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_FLASH_SEL(fpga0_reg)) - small_flash_base = EBONY_SMALL_FLASH_LOW2; - else - small_flash_base = EBONY_SMALL_FLASH_LOW1; - - if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) && - !EBONY_ONBRD_FLASH_EN(fpga0_reg)) - large_flash_base = EBONY_LARGE_FLASH_LOW; - else - large_flash_base = EBONY_LARGE_FLASH_HIGH; - - ebony_small_map.phys = small_flash_base; - ebony_small_map.virt = ioremap64(small_flash_base, - ebony_small_map.size); - - if (!ebony_small_map.virt) { - printk("Failed to ioremap flash\n"); - return -EIO; - } - - simple_map_init(&ebony_small_map); - - flash = do_map_probe("jedec_probe", &ebony_small_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ebony_small_partitions, - ARRAY_SIZE(ebony_small_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ebony_small_map.virt); - return -ENXIO; - } - - ebony_large_map.phys = large_flash_base; - ebony_large_map.virt = ioremap64(large_flash_base, - ebony_large_map.size); - - if (!ebony_large_map.virt) { - printk("Failed to ioremap flash\n"); - iounmap(ebony_small_map.virt); - return -EIO; - } - - simple_map_init(&ebony_large_map); - - flash = do_map_probe("jedec_probe", &ebony_large_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ebony_large_partitions, - ARRAY_SIZE(ebony_large_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ebony_small_map.virt); - iounmap(ebony_large_map.virt); - return -ENXIO; - } - - return 0; -} - -static void __exit cleanup_ebony(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (ebony_small_map.virt) { - iounmap(ebony_small_map.virt); - ebony_small_map.virt = NULL; - } - - if (ebony_large_map.virt) { - iounmap(ebony_large_map.virt); - ebony_large_map.virt = NULL; - } -} - -module_init(init_ebony); -module_exit(cleanup_ebony); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Matt Porter "); -MODULE_DESCRIPTION("MTD map and partitions for IBM 440GP Ebony boards"); diff --git a/drivers/mtd/maps/ocotea.c b/drivers/mtd/maps/ocotea.c deleted file mode 100644 index 5522eac8c980..000000000000 --- a/drivers/mtd/maps/ocotea.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Mapping for Ocotea user flash - * - * Matt Porter - * - * Copyright 2002-2004 MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static struct mtd_info *flash; - -static struct map_info ocotea_small_map = { - .name = "Ocotea small flash", - .size = OCOTEA_SMALL_FLASH_SIZE, - .buswidth = 1, -}; - -static struct map_info ocotea_large_map = { - .name = "Ocotea large flash", - .size = OCOTEA_LARGE_FLASH_SIZE, - .buswidth = 1, -}; - -static struct mtd_partition ocotea_small_partitions[] = { - { - .name = "pibs", - .offset = 0x0, - .size = 0x100000, - } -}; - -static struct mtd_partition ocotea_large_partitions[] = { - { - .name = "fs", - .offset = 0, - .size = 0x300000, - }, - { - .name = "firmware", - .offset = 0x300000, - .size = 0x100000, - } -}; - -int __init init_ocotea(void) -{ - u8 fpga0_reg; - u8 *fpga0_adr; - unsigned long long small_flash_base, large_flash_base; - - fpga0_adr = ioremap64(OCOTEA_FPGA_ADDR, 16); - if (!fpga0_adr) - return -ENOMEM; - - fpga0_reg = readb((unsigned long)fpga0_adr); - iounmap(fpga0_adr); - - if (OCOTEA_BOOT_LARGE_FLASH(fpga0_reg)) { - small_flash_base = OCOTEA_SMALL_FLASH_HIGH; - large_flash_base = OCOTEA_LARGE_FLASH_LOW; - } - else { - small_flash_base = OCOTEA_SMALL_FLASH_LOW; - large_flash_base = OCOTEA_LARGE_FLASH_HIGH; - } - - ocotea_small_map.phys = small_flash_base; - ocotea_small_map.virt = ioremap64(small_flash_base, - ocotea_small_map.size); - - if (!ocotea_small_map.virt) { - printk("Failed to ioremap flash\n"); - return -EIO; - } - - simple_map_init(&ocotea_small_map); - - flash = do_map_probe("map_rom", &ocotea_small_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ocotea_small_partitions, - ARRAY_SIZE(ocotea_small_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ocotea_small_map.virt); - return -ENXIO; - } - - ocotea_large_map.phys = large_flash_base; - ocotea_large_map.virt = ioremap64(large_flash_base, - ocotea_large_map.size); - - if (!ocotea_large_map.virt) { - printk("Failed to ioremap flash\n"); - iounmap(ocotea_small_map.virt); - return -EIO; - } - - simple_map_init(&ocotea_large_map); - - flash = do_map_probe("cfi_probe", &ocotea_large_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, ocotea_large_partitions, - ARRAY_SIZE(ocotea_large_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(ocotea_small_map.virt); - iounmap(ocotea_large_map.virt); - return -ENXIO; - } - - return 0; -} - -static void __exit cleanup_ocotea(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (ocotea_small_map.virt) { - iounmap((void *)ocotea_small_map.virt); - ocotea_small_map.virt = 0; - } - - if (ocotea_large_map.virt) { - iounmap((void *)ocotea_large_map.virt); - ocotea_large_map.virt = 0; - } -} - -module_init(init_ocotea); -module_exit(cleanup_ocotea); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Matt Porter "); -MODULE_DESCRIPTION("MTD map and partitions for IBM 440GX Ocotea boards"); diff --git a/drivers/mtd/maps/walnut.c b/drivers/mtd/maps/walnut.c deleted file mode 100644 index e243476c8171..000000000000 --- a/drivers/mtd/maps/walnut.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Mapping for Walnut flash - * (used ebony.c as a "framework") - * - * Heikki Lindholm - * - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* these should be in platforms/4xx/walnut.h ? */ -#define WALNUT_FLASH_ONBD_N(x) (x & 0x02) -#define WALNUT_FLASH_SRAM_SEL(x) (x & 0x01) -#define WALNUT_FLASH_LOW 0xFFF00000 -#define WALNUT_FLASH_HIGH 0xFFF80000 -#define WALNUT_FLASH_SIZE 0x80000 - -static struct mtd_info *flash; - -static struct map_info walnut_map = { - .name = "Walnut flash", - .size = WALNUT_FLASH_SIZE, - .bankwidth = 1, -}; - -/* Actually, OpenBIOS is the last 128 KiB of the flash - better - * partitioning could be made */ -static struct mtd_partition walnut_partitions[] = { - { - .name = "OpenBIOS", - .offset = 0x0, - .size = WALNUT_FLASH_SIZE, - /*.mask_flags = MTD_WRITEABLE, */ /* force read-only */ - } -}; - -int __init init_walnut(void) -{ - u8 fpga_brds1; - void *fpga_brds1_adr; - void *fpga_status_adr; - unsigned long flash_base; - - /* this should already be mapped (platform/4xx/walnut.c) */ - fpga_status_adr = ioremap(WALNUT_FPGA_BASE, 8); - if (!fpga_status_adr) - return -ENOMEM; - - fpga_brds1_adr = fpga_status_adr+5; - fpga_brds1 = readb(fpga_brds1_adr); - /* iounmap(fpga_status_adr); */ - - if (WALNUT_FLASH_ONBD_N(fpga_brds1)) { - printk("The on-board flash is disabled (U79 sw 5)!"); - iounmap(fpga_status_adr); - return -EIO; - } - if (WALNUT_FLASH_SRAM_SEL(fpga_brds1)) - flash_base = WALNUT_FLASH_LOW; - else - flash_base = WALNUT_FLASH_HIGH; - - walnut_map.phys = flash_base; - walnut_map.virt = - (void __iomem *)ioremap(flash_base, walnut_map.size); - - if (!walnut_map.virt) { - printk("Failed to ioremap flash.\n"); - iounmap(fpga_status_adr); - return -EIO; - } - - simple_map_init(&walnut_map); - - flash = do_map_probe("jedec_probe", &walnut_map); - if (flash) { - flash->owner = THIS_MODULE; - add_mtd_partitions(flash, walnut_partitions, - ARRAY_SIZE(walnut_partitions)); - } else { - printk("map probe failed for flash\n"); - iounmap(fpga_status_adr); - return -ENXIO; - } - - iounmap(fpga_status_adr); - return 0; -} - -static void __exit cleanup_walnut(void) -{ - if (flash) { - del_mtd_partitions(flash); - map_destroy(flash); - } - - if (walnut_map.virt) { - iounmap((void *)walnut_map.virt); - walnut_map.virt = 0; - } -} - -module_init(init_walnut); -module_exit(cleanup_walnut); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Heikki Lindholm "); -MODULE_DESCRIPTION("MTD map and partitions for IBM 405GP Walnut boards"); -- GitLab From 53efec9513cfb1acff602c7ebdd945d677808e9e Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Mon, 28 Jul 2008 19:44:05 +0200 Subject: [PATCH 0244/6244] pcmcia: only copy CIS override data once Instead of copying CIS override data in socket_sysfs.c or ds.c, and then again in cistpl.c, only do so once. Also, cisdump_t is now only used by the deprecated ioctl. Signed-off-by: Dominik Brodowski --- drivers/pcmcia/cistpl.c | 18 +++++++++--------- drivers/pcmcia/ds.c | 12 +----------- drivers/pcmcia/pcmcia_ioctl.c | 2 +- drivers/pcmcia/socket_sysfs.c | 13 ++----------- include/pcmcia/cistpl.h | 10 ++-------- include/pcmcia/ds.h | 6 ++++++ include/pcmcia/ss.h | 4 ++-- 7 files changed, 23 insertions(+), 42 deletions(-) diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index 65129b54eb09..11c473c865a5 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -265,13 +265,13 @@ EXPORT_SYMBOL(pcmcia_write_cis_mem); ======================================================================*/ static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, - u_int len, void *ptr) + size_t len, void *ptr) { struct cis_cache_entry *cis; int ret; if (s->fake_cis) { - if (s->fake_cis_len > addr+len) + if (s->fake_cis_len >= addr+len) memcpy(ptr, s->fake_cis+addr, len); else memset(ptr, 0xff, len); @@ -380,17 +380,17 @@ int verify_cis_cache(struct pcmcia_socket *s) ======================================================================*/ -int pcmcia_replace_cis(struct pcmcia_socket *s, cisdump_t *cis) +int pcmcia_replace_cis(struct pcmcia_socket *s, + const u8 *data, const size_t len) { - kfree(s->fake_cis); - s->fake_cis = NULL; - if (cis->Length > CISTPL_MAX_CIS_SIZE) + if (len > CISTPL_MAX_CIS_SIZE) return CS_BAD_SIZE; - s->fake_cis = kmalloc(cis->Length, GFP_KERNEL); + kfree(s->fake_cis); + s->fake_cis = kmalloc(len, GFP_KERNEL); if (s->fake_cis == NULL) return CS_OUT_OF_RESOURCE; - s->fake_cis_len = cis->Length; - memcpy(s->fake_cis, cis->Data, cis->Length); + s->fake_cis_len = len; + memcpy(s->fake_cis, data, len); return CS_SUCCESS; } EXPORT_SYMBOL(pcmcia_replace_cis); diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 4174d9656e35..2382341975e5 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -854,7 +854,6 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) int ret = -ENOMEM; int no_funcs; int old_funcs; - cisdump_t *cis; cistpl_longlink_mfc_t mfc; if (!filename) @@ -877,16 +876,7 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename) goto release; } - cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); - if (!cis) { - ret = -ENOMEM; - goto release; - } - - cis->Length = fw->size + 1; - memcpy(cis->Data, fw->data, fw->size); - - if (!pcmcia_replace_cis(s, cis)) + if (!pcmcia_replace_cis(s, fw->data, fw->size)) ret = 0; else { printk(KERN_ERR "pcmcia: CIS override failed\n"); diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 419f97fc9a62..6c086ffea448 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -867,7 +867,7 @@ static int ds_ioctl(struct inode * inode, struct file * file, &buf->win_info.map); break; case DS_REPLACE_CIS: - ret = pcmcia_replace_cis(s, &buf->cisdump); + ret = pcmcia_replace_cis(s, buf->cisdump.Data, buf->cisdump.Length); break; case DS_BIND_REQUEST: if (!capable(CAP_SYS_ADMIN)) { diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 006a29e91d83..ff9a3bb3c88d 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -316,27 +316,18 @@ static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, size_t count) { struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj)); - cisdump_t *cis; int error; if (off) return -EINVAL; - if (count >= 0x200) + if (count >= CISTPL_MAX_CIS_SIZE) return -EINVAL; if (!(s->state & SOCKET_PRESENT)) return -ENODEV; - cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); - if (!cis) - return -ENOMEM; - - cis->Length = count + 1; - memcpy(cis->Data, buf, count); - - error = pcmcia_replace_cis(s, cis); - kfree(cis); + error = pcmcia_replace_cis(s, buf, count); if (error) return -EIO; diff --git a/include/pcmcia/cistpl.h b/include/pcmcia/cistpl.h index e2e10c1e9a06..552a332ad714 100644 --- a/include/pcmcia/cistpl.h +++ b/include/pcmcia/cistpl.h @@ -580,14 +580,8 @@ typedef struct cisinfo_t { #define CISTPL_MAX_CIS_SIZE 0x200 -/* For ReplaceCIS */ -typedef struct cisdump_t { - u_int Length; - cisdata_t Data[CISTPL_MAX_CIS_SIZE]; -} cisdump_t; - - -int pcmcia_replace_cis(struct pcmcia_socket *s, cisdump_t *cis); +int pcmcia_replace_cis(struct pcmcia_socket *s, + const u8 *data, const size_t len); /* don't use outside of PCMCIA core yet */ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int func, tuple_t *tuple); diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h index b316027c853d..2d36a4f80e5b 100644 --- a/include/pcmcia/ds.h +++ b/include/pcmcia/ds.h @@ -68,6 +68,12 @@ typedef struct region_info_t { #define REGION_BAR_MASK 0xe000 #define REGION_BAR_SHIFT 13 +/* For ReplaceCIS */ +typedef struct cisdump_t { + u_int Length; + cisdata_t Data[CISTPL_MAX_CIS_SIZE]; +} cisdump_t; + typedef union ds_ioctl_arg_t { adjust_t adjust; config_info_t config; diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h index ed919dd9bb5c..e34bef0fc74f 100644 --- a/include/pcmcia/ss.h +++ b/include/pcmcia/ss.h @@ -199,8 +199,8 @@ struct pcmcia_socket { io_window_t io[MAX_IO_WIN]; window_t win[MAX_WIN]; struct list_head cis_cache; - u_int fake_cis_len; - char *fake_cis; + size_t fake_cis_len; + u8 *fake_cis; struct list_head socket_list; struct completion socket_released; -- GitLab From c8872b069c536976b81bccfc95dda945594bc504 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 2 Aug 2008 17:14:21 +0200 Subject: [PATCH 0245/6244] [MTD] Use DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. Signed-off-by: Julia Lawall Signed-off-by: David Woodhouse --- drivers/mtd/chips/cfi_cmdset_0001.c | 2 +- drivers/mtd/chips/gen_probe.c | 2 +- drivers/mtd/ssfdc.c | 3 +-- 3 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 5f1b472137a0..d49cbe2738a8 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -1640,7 +1640,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, /* Figure out the number of words to write */ word_gap = (-adr & (map_bankwidth(map)-1)); - words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map); + words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map)); if (!word_gap) { words--; } else { diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c index f061885b2812..e2dc96441e05 100644 --- a/drivers/mtd/chips/gen_probe.c +++ b/drivers/mtd/chips/gen_probe.c @@ -111,7 +111,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi max_chips = 1; } - mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG ); + mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG); chip_map = kzalloc(mapsize, GFP_KERNEL); if (!chip_map) { printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name); diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c index a5f3d60047d4..33a5d6ed6f18 100644 --- a/drivers/mtd/ssfdc.c +++ b/drivers/mtd/ssfdc.c @@ -321,8 +321,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) DEBUG(MTD_DEBUG_LEVEL1, "SSFDC_RO: cis_block=%d,erase_size=%d,map_len=%d,n_zones=%d\n", ssfdc->cis_block, ssfdc->erase_size, ssfdc->map_len, - (ssfdc->map_len + MAX_PHYS_BLK_PER_ZONE - 1) / - MAX_PHYS_BLK_PER_ZONE); + DIV_ROUND_UP(ssfdc->map_len, MAX_PHYS_BLK_PER_ZONE)); /* Set geometry */ ssfdc->heads = 16; -- GitLab From 16e00b609aed439453d57b954b449f647466e0d7 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Mon, 4 Aug 2008 11:25:23 +0100 Subject: [PATCH 0246/6244] [MTD] Remove references to TI 'toto' platform. This was a reference board for which support never got merged upstream. Kill it off, at rmk's suggestion. Signed-off-by: David Woodhouse --- drivers/mtd/maps/Kconfig | 7 - drivers/mtd/maps/Makefile | 1 - drivers/mtd/maps/omap-toto-flash.c | 133 ------------------- drivers/mtd/nand/Kconfig | 6 - drivers/mtd/nand/Makefile | 1 - drivers/mtd/nand/toto.c | 206 ----------------------------- 6 files changed, 354 deletions(-) delete mode 100644 drivers/mtd/maps/omap-toto-flash.c delete mode 100644 drivers/mtd/nand/toto.c diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index db667b16c043..3ae76ecc07d7 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -434,13 +434,6 @@ config MTD_CEIVA PhotoMax Digital Picture Frame. If you have such a device, say 'Y'. -config MTD_NOR_TOTO - tristate "NOR Flash device on TOTO board" - depends on ARCH_OMAP && OMAP_TOTO - help - This enables access to the NOR flash on the Texas Instruments - TOTO board. - config MTD_H720X tristate "Hynix evaluation board mappings" depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 ) diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index b2582506cde9..6d9ba35caf11 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -52,7 +52,6 @@ obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o obj-$(CONFIG_MTD_H720X) += h720x-flash.o obj-$(CONFIG_MTD_SBC8240) += sbc8240.o -obj-$(CONFIG_MTD_NOR_TOTO) += omap-toto-flash.o obj-$(CONFIG_MTD_IXP4XX) += ixp4xx.o obj-$(CONFIG_MTD_IXP2000) += ixp2000.o obj-$(CONFIG_MTD_WRSBC8260) += wr_sbc82xx_flash.o diff --git a/drivers/mtd/maps/omap-toto-flash.c b/drivers/mtd/maps/omap-toto-flash.c deleted file mode 100644 index 0a60ebbc2175..000000000000 --- a/drivers/mtd/maps/omap-toto-flash.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * NOR Flash memory access on TI Toto board - * - * jzhang@ti.com (C) 2003 Texas Instruments. - * - * (C) 2002 MontVista Software, Inc. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include - - -#ifndef CONFIG_ARCH_OMAP -#error This is for OMAP architecture only -#endif - -//these lines need be moved to a hardware header file -#define OMAP_TOTO_FLASH_BASE 0xd8000000 -#define OMAP_TOTO_FLASH_SIZE 0x80000 - -static struct map_info omap_toto_map_flash = { - .name = "OMAP Toto flash", - .bankwidth = 2, - .virt = (void __iomem *)OMAP_TOTO_FLASH_BASE, -}; - - -static struct mtd_partition toto_flash_partitions[] = { - { - .name = "BootLoader", - .size = 0x00040000, /* hopefully u-boot will stay 128k + 128*/ - .offset = 0, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, { - .name = "ReservedSpace", - .size = 0x00030000, - .offset = MTDPART_OFS_APPEND, - //mask_flags: MTD_WRITEABLE, /* force read-only */ - }, { - .name = "EnvArea", /* bottom 64KiB for env vars */ - .size = MTDPART_SIZ_FULL, - .offset = MTDPART_OFS_APPEND, - } -}; - -static struct mtd_partition *parsed_parts; - -static struct mtd_info *flash_mtd; - -static int __init init_flash (void) -{ - - struct mtd_partition *parts; - int nb_parts = 0; - int parsed_nr_parts = 0; - const char *part_type; - - /* - * Static partition definition selection - */ - part_type = "static"; - - parts = toto_flash_partitions; - nb_parts = ARRAY_SIZE(toto_flash_partitions); - omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE; - omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE); - - simple_map_init(&omap_toto_map_flash); - /* - * Now let's probe for the actual flash. Do it here since - * specific machine settings might have been set above. - */ - printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n", - omap_toto_map_flash.bankwidth*8); - flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash); - if (!flash_mtd) - return -ENXIO; - - if (parsed_nr_parts > 0) { - parts = parsed_parts; - nb_parts = parsed_nr_parts; - } - - if (nb_parts == 0) { - printk(KERN_NOTICE "OMAP toto flash: no partition info available," - "registering whole flash at once\n"); - if (add_mtd_device(flash_mtd)){ - return -ENXIO; - } - } else { - printk(KERN_NOTICE "Using %s partition definition\n", - part_type); - return add_mtd_partitions(flash_mtd, parts, nb_parts); - } - return 0; -} - -int __init omap_toto_mtd_init(void) -{ - int status; - - if (status = init_flash()) { - printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n"); - } - return status; -} - -static void __exit omap_toto_mtd_cleanup(void) -{ - if (flash_mtd) { - del_mtd_partitions(flash_mtd); - map_destroy(flash_mtd); - kfree(parsed_parts); - } -} - -module_init(omap_toto_mtd_init); -module_exit(omap_toto_mtd_cleanup); - -MODULE_AUTHOR("Jian Zhang"); -MODULE_DESCRIPTION("OMAP Toto board map driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 02f9cc30d77b..572c842e9f40 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -68,12 +68,6 @@ config MTD_NAND_AMS_DELTA help Support for NAND flash on Amstrad E3 (Delta). -config MTD_NAND_TOTO - tristate "NAND Flash device on TOTO board" - depends on ARCH_OMAP && BROKEN - help - Support for NAND flash on Texas Instruments Toto platform. - config MTD_NAND_TS7250 tristate "NAND Flash device on TS-7250 board" depends on MACH_TS72XX diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index d772581de573..b55e4c69fea6 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_MTD_NAND_IDS) += nand_ids.o obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o obj-$(CONFIG_MTD_NAND_SPIA) += spia.o obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o -obj-$(CONFIG_MTD_NAND_TOTO) += toto.o obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o diff --git a/drivers/mtd/nand/toto.c b/drivers/mtd/nand/toto.c deleted file mode 100644 index bbf492e6830d..000000000000 --- a/drivers/mtd/nand/toto.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * drivers/mtd/nand/toto.c - * - * Copyright (c) 2003 Texas Instruments - * - * Derived from drivers/mtd/autcpu12.c - * - * Copyright (c) 2002 Thomas Gleixner - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Overview: - * This is a device driver for the NAND flash device found on the - * TI fido board. It supports 32MiB and 64MiB cards - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define CONFIG_NAND_WORKAROUND 1 - -/* - * MTD structure for TOTO board - */ -static struct mtd_info *toto_mtd = NULL; - -static unsigned long toto_io_base = OMAP_FLASH_1_BASE; - -/* - * Define partitions for flash devices - */ - -static struct mtd_partition partition_info64M[] = { - { .name = "toto kernel partition 1", - .offset = 0, - .size = 2 * SZ_1M }, - { .name = "toto file sys partition 2", - .offset = 2 * SZ_1M, - .size = 14 * SZ_1M }, - { .name = "toto user partition 3", - .offset = 16 * SZ_1M, - .size = 16 * SZ_1M }, - { .name = "toto devboard extra partition 4", - .offset = 32 * SZ_1M, - .size = 32 * SZ_1M }, -}; - -static struct mtd_partition partition_info32M[] = { - { .name = "toto kernel partition 1", - .offset = 0, - .size = 2 * SZ_1M }, - { .name = "toto file sys partition 2", - .offset = 2 * SZ_1M, - .size = 14 * SZ_1M }, - { .name = "toto user partition 3", - .offset = 16 * SZ_1M, - .size = 16 * SZ_1M }, -}; - -#define NUM_PARTITIONS32M 3 -#define NUM_PARTITIONS64M 4 - -/* - * hardware specific access to control-lines - * - * ctrl: - * NAND_NCE: bit 0 -> bit 14 (0x4000) - * NAND_CLE: bit 1 -> bit 12 (0x1000) - * NAND_ALE: bit 2 -> bit 1 (0x0002) - */ -static void toto_hwcontrol(struct mtd_info *mtd, int cmd, - unsigned int ctrl) -{ - struct nand_chip *chip = mtd->priv; - - if (ctrl & NAND_CTRL_CHANGE) { - unsigned long bits; - - /* hopefully enough time for tc make proceding write to clear */ - udelay(1); - - bits = (~ctrl & NAND_NCE) << 14; - bits |= (ctrl & NAND_CLE) << 12; - bits |= (ctrl & NAND_ALE) >> 1; - -#warning Wild guess as gpiosetout() is nowhere defined in the kernel source - tglx - gpiosetout(0x5002, bits); - -#ifdef CONFIG_NAND_WORKAROUND - /* "some" dev boards busted, blue wired to rts2 :( */ - rts2setout(2, (ctrl & NAND_CLE) << 1); -#endif - /* allow time to ensure gpio state to over take memory write */ - udelay(1); - } - - if (cmd != NAND_CMD_NONE) - writeb(cmd, chip->IO_ADDR_W); -} - -/* - * Main initialization routine - */ -static int __init toto_init(void) -{ - struct nand_chip *this; - int err = 0; - - /* Allocate memory for MTD device structure and private data */ - toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); - if (!toto_mtd) { - printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n"); - err = -ENOMEM; - goto out; - } - - /* Get pointer to private data */ - this = (struct nand_chip *)(&toto_mtd[1]); - - /* Initialize structures */ - memset(toto_mtd, 0, sizeof(struct mtd_info)); - memset(this, 0, sizeof(struct nand_chip)); - - /* Link the private data with the MTD structure */ - toto_mtd->priv = this; - toto_mtd->owner = THIS_MODULE; - - /* Set address of NAND IO lines */ - this->IO_ADDR_R = toto_io_base; - this->IO_ADDR_W = toto_io_base; - this->cmd_ctrl = toto_hwcontrol; - this->dev_ready = NULL; - /* 25 us command delay time */ - this->chip_delay = 30; - this->ecc.mode = NAND_ECC_SOFT; - - /* Scan to find existance of the device */ - if (nand_scan(toto_mtd, 1)) { - err = -ENXIO; - goto out_mtd; - } - - /* Register the partitions */ - switch (toto_mtd->size) { - case SZ_64M: - add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M); - break; - case SZ_32M: - add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M); - break; - default:{ - printk(KERN_WARNING "Unsupported Nand device\n"); - err = -ENXIO; - goto out_buf; - } - } - - gpioreserve(NAND_MASK); /* claim our gpios */ - archflashwp(0, 0); /* open up flash for writing */ - - goto out; - - out_mtd: - kfree(toto_mtd); - out: - return err; -} - -module_init(toto_init); - -/* - * Clean up routine - */ -static void __exit toto_cleanup(void) -{ - /* Release resources, unregister device */ - nand_release(toto_mtd); - - /* Free the MTD device structure */ - kfree(toto_mtd); - - /* stop flash writes */ - archflashwp(0, 1); - - /* release gpios to system */ - gpiorelease(NAND_MASK); -} - -module_exit(toto_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Richard Woodruff "); -MODULE_DESCRIPTION("Glue layer for NAND flash on toto board"); -- GitLab From 3583a71183a02c51ca71cd180e9189cfb0411cc1 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 22 Jul 2008 20:21:23 +0300 Subject: [PATCH 0247/6244] make selinux_write_opts() static This patch makes the needlessly global selinux_write_opts() static. Signed-off-by: Adrian Bunk Signed-off-by: James Morris --- security/selinux/hooks.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 3ae9bec5a508..0ffd8814af3e 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -957,7 +957,8 @@ out_err: return rc; } -void selinux_write_opts(struct seq_file *m, struct security_mnt_opts *opts) +static void selinux_write_opts(struct seq_file *m, + struct security_mnt_opts *opts) { int i; char *prefix; -- GitLab From df4ea865f09580b1cad621c0426612f598847815 Mon Sep 17 00:00:00 2001 From: Vesa-Matti J Kari Date: Sun, 20 Jul 2008 23:57:01 +0300 Subject: [PATCH 0248/6244] SELinux: Trivial minor fixes that change C null character style Trivial minor fixes that change C null character style. Signed-off-by: Vesa-Matti Kari Signed-off-by: James Morris --- security/selinux/ss/conditional.c | 2 +- security/selinux/ss/mls.c | 14 +++++++------- security/selinux/ss/policydb.c | 20 ++++++++++---------- 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index fb4efe4f4bc8..f8c850a56ed1 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -239,7 +239,7 @@ int cond_read_bool(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto err; - key[len] = 0; + key[len] = '\0'; if (hashtab_insert(h, key, booldatum)) goto err; diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c index 77d745da48bb..b5407f16c2a4 100644 --- a/security/selinux/ss/mls.c +++ b/security/selinux/ss/mls.c @@ -283,8 +283,8 @@ int mls_context_to_sid(struct policydb *pol, p++; delim = *p; - if (delim != 0) - *p++ = 0; + if (delim != '\0') + *p++ = '\0'; for (l = 0; l < 2; l++) { levdatum = hashtab_search(pol->p_levels.table, scontextp); @@ -302,14 +302,14 @@ int mls_context_to_sid(struct policydb *pol, while (*p && *p != ',' && *p != '-') p++; delim = *p; - if (delim != 0) - *p++ = 0; + if (delim != '\0') + *p++ = '\0'; /* Separate into range if exists */ rngptr = strchr(scontextp, '.'); if (rngptr != NULL) { /* Remove '.' */ - *rngptr++ = 0; + *rngptr++ = '\0'; } catdatum = hashtab_search(pol->p_cats.table, @@ -357,8 +357,8 @@ int mls_context_to_sid(struct policydb *pol, p++; delim = *p; - if (delim != 0) - *p++ = 0; + if (delim != '\0') + *p++ = '\0'; } else break; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 2391761ae422..26646305dc0e 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -932,7 +932,7 @@ static int perm_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; rc = hashtab_insert(h, key, perdatum); if (rc) @@ -979,7 +979,7 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; for (i = 0; i < nel; i++) { rc = perm_read(p, comdatum->permissions.table, fp); @@ -1117,7 +1117,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; if (len2) { cladatum->comkey = kmalloc(len2 + 1, GFP_KERNEL); @@ -1128,7 +1128,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(cladatum->comkey, fp, len2); if (rc < 0) goto bad; - cladatum->comkey[len2] = 0; + cladatum->comkey[len2] = '\0'; cladatum->comdatum = hashtab_search(p->p_commons.table, cladatum->comkey); @@ -1201,7 +1201,7 @@ static int role_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; rc = ebitmap_read(&role->dominates, fp); if (rc) @@ -1262,7 +1262,7 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; rc = hashtab_insert(h, key, typdatum); if (rc) @@ -1334,7 +1334,7 @@ static int user_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; rc = ebitmap_read(&usrdatum->roles, fp); if (rc) @@ -1388,7 +1388,7 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; levdatum->level = kmalloc(sizeof(struct mls_level), GFP_ATOMIC); if (!levdatum->level) { @@ -1440,7 +1440,7 @@ static int cat_read(struct policydb *p, struct hashtab *h, void *fp) rc = next_entry(key, fp, len); if (rc < 0) goto bad; - key[len] = 0; + key[len] = '\0'; rc = hashtab_insert(h, key, catdatum); if (rc) @@ -1523,7 +1523,7 @@ int policydb_read(struct policydb *p, void *fp) kfree(policydb_str); goto bad; } - policydb_str[len] = 0; + policydb_str[len] = '\0'; if (strcmp(policydb_str, POLICYDB_STRING)) { printk(KERN_ERR "SELinux: policydb string %s does not match " "my string %s\n", policydb_str, POLICYDB_STRING); -- GitLab From 0c0e186f812457e527c420f7a4d02865fd0dc7d2 Mon Sep 17 00:00:00 2001 From: Vesa-Matti J Kari Date: Mon, 21 Jul 2008 02:50:20 +0300 Subject: [PATCH 0249/6244] SELinux: trivial, remove unneeded local variable Hello, Remove unneeded local variable: struct avtab_node *newnode Signed-off-by: Vesa-Matti Kari Signed-off-by: James Morris --- security/selinux/ss/avtab.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c index a1be97f8beea..e8ae812d6af7 100644 --- a/security/selinux/ss/avtab.c +++ b/security/selinux/ss/avtab.c @@ -98,7 +98,7 @@ struct avtab_node * avtab_insert_nonunique(struct avtab *h, struct avtab_key *key, struct avtab_datum *datum) { int hvalue; - struct avtab_node *prev, *cur, *newnode; + struct avtab_node *prev, *cur; u16 specified = key->specified & ~(AVTAB_ENABLED|AVTAB_ENABLED_OLD); if (!h || !h->htable) @@ -122,9 +122,7 @@ avtab_insert_nonunique(struct avtab *h, struct avtab_key *key, struct avtab_datu key->target_class < cur->key.target_class) break; } - newnode = avtab_insert_node(h, hvalue, prev, cur, key, datum); - - return newnode; + return avtab_insert_node(h, hvalue, prev, cur, key, datum); } struct avtab_datum *avtab_search(struct avtab *h, struct avtab_key *key) -- GitLab From cf9481e289247fe9cf40f2e2481220d899132049 Mon Sep 17 00:00:00 2001 From: David Howells Date: Sun, 27 Jul 2008 21:31:07 +1000 Subject: [PATCH 0250/6244] SELinux: Fix a potentially uninitialised variable in SELinux hooks Fix a potentially uninitialised variable in SELinux hooks that's given a pointer to the network address by selinux_parse_skb() passing a pointer back through its argument list. By restructuring selinux_parse_skb(), the compiler can see that the error case need not set it as the caller will return immediately. Signed-off-by: David Howells Signed-off-by: James Morris --- security/selinux/hooks.c | 42 +++++++++++++++++++++++----------------- 1 file changed, 24 insertions(+), 18 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 0ffd8814af3e..3eae30609702 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3539,38 +3539,44 @@ out: #endif /* IPV6 */ static int selinux_parse_skb(struct sk_buff *skb, struct avc_audit_data *ad, - char **addrp, int src, u8 *proto) + char **_addrp, int src, u8 *proto) { - int ret = 0; + char *addrp; + int ret; switch (ad->u.net.family) { case PF_INET: ret = selinux_parse_skb_ipv4(skb, ad, proto); - if (ret || !addrp) - break; - *addrp = (char *)(src ? &ad->u.net.v4info.saddr : - &ad->u.net.v4info.daddr); - break; + if (ret) + goto parse_error; + addrp = (char *)(src ? &ad->u.net.v4info.saddr : + &ad->u.net.v4info.daddr); + goto okay; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) case PF_INET6: ret = selinux_parse_skb_ipv6(skb, ad, proto); - if (ret || !addrp) - break; - *addrp = (char *)(src ? &ad->u.net.v6info.saddr : - &ad->u.net.v6info.daddr); - break; + if (ret) + goto parse_error; + addrp = (char *)(src ? &ad->u.net.v6info.saddr : + &ad->u.net.v6info.daddr); + goto okay; #endif /* IPV6 */ default: - break; + addrp = NULL; + goto okay; } - if (unlikely(ret)) - printk(KERN_WARNING - "SELinux: failure in selinux_parse_skb()," - " unable to parse packet\n"); - +parse_error: + printk(KERN_WARNING + "SELinux: failure in selinux_parse_skb()," + " unable to parse packet\n"); return ret; + +okay: + if (_addrp) + *_addrp = addrp; + return 0; } /** -- GitLab From 15446235367fa4a621ff5abfa4b6ebbe25b33763 Mon Sep 17 00:00:00 2001 From: Casey Schaufler Date: Wed, 30 Jul 2008 15:37:11 -0700 Subject: [PATCH 0251/6244] smack: limit privilege by label There have been a number of requests to make the Smack LSM enforce MAC even in the face of privilege, either capability based or superuser based. This is not universally desired, however, so it seems desirable to make it optional. Further, at least one legacy OS implemented a scheme whereby only processes running with one particular label could be exempt from MAC. This patch supports these three cases. If /smack/onlycap is empty (unset or null-string) privilege is enforced in the normal way. If /smack/onlycap contains a label only processes running with that label may be MAC exempt. If the label in /smack/onlycap is the star label ("*") the semantics of the star label combine with the privilege restrictions to prevent any violations of MAC, even in the presence of privilege. Again, this will be independent of the privilege scheme. Signed-off-by: Casey Schaufler Reviewed-by: James Morris --- security/smack/smack.h | 1 + security/smack/smack_access.c | 10 +++- security/smack/smackfs.c | 92 +++++++++++++++++++++++++++++++++++ 3 files changed, 102 insertions(+), 1 deletion(-) diff --git a/security/smack/smack.h b/security/smack/smack.h index 4a4477f5afdc..31dce559595a 100644 --- a/security/smack/smack.h +++ b/security/smack/smack.h @@ -178,6 +178,7 @@ u32 smack_to_secid(const char *); extern int smack_cipso_direct; extern int smack_net_nltype; extern char *smack_net_ambient; +extern char *smack_onlycap; extern struct smack_known *smack_known; extern struct smack_known smack_known_floor; diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c index f6b5f6eed6dd..79ff21ed4c3b 100644 --- a/security/smack/smack_access.c +++ b/security/smack/smack_access.c @@ -157,7 +157,7 @@ int smk_access(char *subject_label, char *object_label, int request) * * This function checks the current subject label/object label pair * in the access rule list and returns 0 if the access is permitted, - * non zero otherwise. It allows that current my have the capability + * non zero otherwise. It allows that current may have the capability * to override the rules. */ int smk_curacc(char *obj_label, u32 mode) @@ -168,6 +168,14 @@ int smk_curacc(char *obj_label, u32 mode) if (rc == 0) return 0; + /* + * Return if a specific label has been designated as the + * only one that gets privilege and current does not + * have that label. + */ + if (smack_onlycap != NULL && smack_onlycap != current->security) + return rc; + if (capable(CAP_MAC_OVERRIDE)) return 0; diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 271a835fbbe3..e7c642458ec9 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -39,6 +39,7 @@ enum smk_inos { SMK_DIRECT = 6, /* CIPSO level indicating direct label */ SMK_AMBIENT = 7, /* internet ambient label */ SMK_NLTYPE = 8, /* label scheme to use by default */ + SMK_ONLYCAP = 9, /* the only "capable" label */ }; /* @@ -68,6 +69,16 @@ int smack_net_nltype = NETLBL_NLTYPE_CIPSOV4; */ int smack_cipso_direct = SMACK_CIPSO_DIRECT_DEFAULT; +/* + * Unless a process is running with this label even + * having CAP_MAC_OVERRIDE isn't enough to grant + * privilege to violate MAC policy. If no label is + * designated (the NULL case) capabilities apply to + * everyone. It is expected that the hat (^) label + * will be used if any label is used. + */ +char *smack_onlycap; + static int smk_cipso_doi_value = SMACK_CIPSO_DOI_DEFAULT; struct smk_list_entry *smack_list; @@ -787,6 +798,85 @@ static const struct file_operations smk_ambient_ops = { .write = smk_write_ambient, }; +/** + * smk_read_onlycap - read() for /smack/onlycap + * @filp: file pointer, not actually used + * @buf: where to put the result + * @cn: maximum to send along + * @ppos: where to start + * + * Returns number of bytes read or error code, as appropriate + */ +static ssize_t smk_read_onlycap(struct file *filp, char __user *buf, + size_t cn, loff_t *ppos) +{ + char *smack = ""; + ssize_t rc = -EINVAL; + int asize; + + if (*ppos != 0) + return 0; + + if (smack_onlycap != NULL) + smack = smack_onlycap; + + asize = strlen(smack) + 1; + + if (cn >= asize) + rc = simple_read_from_buffer(buf, cn, ppos, smack, asize); + + return rc; +} + +/** + * smk_write_onlycap - write() for /smack/onlycap + * @filp: file pointer, not actually used + * @buf: where to get the data from + * @count: bytes sent + * @ppos: where to start + * + * Returns number of bytes written or error code, as appropriate + */ +static ssize_t smk_write_onlycap(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + char in[SMK_LABELLEN]; + char *sp = current->security; + + if (!capable(CAP_MAC_ADMIN)) + return -EPERM; + + /* + * This can be done using smk_access() but is done + * explicitly for clarity. The smk_access() implementation + * would use smk_access(smack_onlycap, MAY_WRITE) + */ + if (smack_onlycap != NULL && smack_onlycap != sp) + return -EPERM; + + if (count >= SMK_LABELLEN) + return -EINVAL; + + if (copy_from_user(in, buf, count) != 0) + return -EFAULT; + + /* + * Should the null string be passed in unset the onlycap value. + * This seems like something to be careful with as usually + * smk_import only expects to return NULL for errors. It + * is usually the case that a nullstring or "\n" would be + * bad to pass to smk_import but in fact this is useful here. + */ + smack_onlycap = smk_import(in, count); + + return count; +} + +static const struct file_operations smk_onlycap_ops = { + .read = smk_read_onlycap, + .write = smk_write_onlycap, +}; + struct option_names { int o_number; char *o_name; @@ -919,6 +1009,8 @@ static int smk_fill_super(struct super_block *sb, void *data, int silent) {"ambient", &smk_ambient_ops, S_IRUGO|S_IWUSR}, [SMK_NLTYPE] = {"nltype", &smk_nltype_ops, S_IRUGO|S_IWUSR}, + [SMK_ONLYCAP] = + {"onlycap", &smk_onlycap_ops, S_IRUGO|S_IWUSR}, /* last one */ {""} }; -- GitLab From a0e7229edbfef9495e73bc8baea2131a7e69e365 Mon Sep 17 00:00:00 2001 From: "George G. Davis" Date: Mon, 4 Aug 2008 19:43:25 -0400 Subject: [PATCH 0252/6244] [MTD] [NOR] Add "Spansion" to MTD_CFI_AMDSTD kconfig menu description This long overdue trivial change to the MTD_CFI_AMDSTD kconfig menu description is intended to help clarify that this option also supports Spansion flash devices. Signed-off-by: George G. Davis Signed-off-by: David Woodhouse --- drivers/mtd/chips/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index 4c35e5d77f95..9401bfec4623 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -188,7 +188,7 @@ config MTD_CFI_INTELEXT StrataFlash and other parts. config MTD_CFI_AMDSTD - tristate "Support for AMD/Fujitsu flash chips" + tristate "Support for AMD/Fujitsu/Spansion flash chips" depends on MTD_GEN_PROBE select MTD_CFI_UTIL help -- GitLab From 2e489e077a6ad118c4f247faedf330117b107cce Mon Sep 17 00:00:00 2001 From: Alexey Korolev Date: Tue, 5 Aug 2008 16:39:42 +0100 Subject: [PATCH 0253/6244] [MTD] [NOR] Add qry_mode_on()/qry_omde_off() to deal with odd chips There are some CFI chips which require non standard procedures to get into QRY mode. The possible way to support them would be trying different modes till QRY will be read. This patch introduce two new functions qry_mode_on qry_mode_off. qry_mode_on tries different commands in order switch chip into QRY mode. So if we have one more "odd" chip - we just could add several lines to qry_mode_on. Also using these functions remove unnecessary code duplicaton in porbe procedure. Currently there are two "odd" cases 1. Some old intel chips which require 0xFF before 0x98 2. ST M29DW chip which requires 0x98 to be sent at 0x555 (according to CFI should be 0x55) This patch is partialy based on the patch from Uwe (see "[PATCH 2/4] [RFC][MTD] cfi_probe: remove Intel chip workaround" thread ) Signed-off-by: Alexey Korolev Signed-off-by: Alexander Belyakov Signed-off-by: David Woodhouse --- drivers/mtd/chips/cfi_probe.c | 52 ++++------------------------- drivers/mtd/chips/cfi_util.c | 62 ++++++++++++++++++++++++++++++++--- include/linux/mtd/cfi.h | 9 ++++- 3 files changed, 73 insertions(+), 50 deletions(-) diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c index c418e92e1d92..e706be2ad0cb 100644 --- a/drivers/mtd/chips/cfi_probe.c +++ b/drivers/mtd/chips/cfi_probe.c @@ -44,17 +44,14 @@ do { \ #define xip_enable(base, map, cfi) \ do { \ - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \ - cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \ + qry_mode_off(base, map, cfi); \ xip_allowed(base, map); \ } while (0) #define xip_disable_qry(base, map, cfi) \ do { \ xip_disable(); \ - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \ - cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \ - cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); \ + qry_mode_on(base, map, cfi); \ } while (0) #else @@ -70,32 +67,6 @@ do { \ in: interleave,type,mode ret: table index, <0 for error */ -static int __xipram qry_present(struct map_info *map, __u32 base, - struct cfi_private *cfi) -{ - int osf = cfi->interleave * cfi->device_type; // scale factor - map_word val[3]; - map_word qry[3]; - - qry[0] = cfi_build_cmd('Q', map, cfi); - qry[1] = cfi_build_cmd('R', map, cfi); - qry[2] = cfi_build_cmd('Y', map, cfi); - - val[0] = map_read(map, base + osf*0x10); - val[1] = map_read(map, base + osf*0x11); - val[2] = map_read(map, base + osf*0x12); - - if (!map_word_equal(map, qry[0], val[0])) - return 0; - - if (!map_word_equal(map, qry[1], val[1])) - return 0; - - if (!map_word_equal(map, qry[2], val[2])) - return 0; - - return 1; // "QRY" found -} static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, unsigned long *chip_map, struct cfi_private *cfi) @@ -116,11 +87,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, } xip_disable(); - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); - cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); - cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); - - if (!qry_present(map,base,cfi)) { + if (!qry_mode_on(base, map, cfi)) { xip_enable(base, map, cfi); return 0; } @@ -144,8 +111,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, if (qry_present(map, start, cfi)) { /* Eep. This chip also had the QRY marker. * Is it an alias for the new one? */ - cfi_send_gen_cmd(0xF0, 0, start, map, cfi, cfi->device_type, NULL); - cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL); + qry_mode_off(start, map, cfi); /* If the QRY marker goes away, it's an alias */ if (!qry_present(map, start, cfi)) { @@ -158,8 +124,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, * unfortunate. Stick the new chip in read mode * too and if it's the same, assume it's an alias. */ /* FIXME: Use other modes to do a proper check */ - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); - cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL); + qry_mode_off(base, map, cfi); if (qry_present(map, base, cfi)) { xip_allowed(base, map); @@ -176,8 +141,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, cfi->numchips++; /* Put it back into Read Mode */ - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); - cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); + qry_mode_off(base, map, cfi); xip_allowed(base, map); printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", @@ -237,9 +201,7 @@ static int __xipram cfi_chip_setup(struct map_info *map, cfi_read_query(map, base + 0xf * ofs_factor); /* Put it back into Read Mode */ - cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); - /* ... even if it's an Intel chip */ - cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); + qry_mode_off(base, map, cfi); xip_allowed(base, map); /* Do any necessary byteswapping */ diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c index 0ee457018016..8d7553670526 100644 --- a/drivers/mtd/chips/cfi_util.c +++ b/drivers/mtd/chips/cfi_util.c @@ -24,6 +24,62 @@ #include #include +int __xipram qry_present(struct map_info *map, __u32 base, + struct cfi_private *cfi) +{ + int osf = cfi->interleave * cfi->device_type; /* scale factor */ + map_word val[3]; + map_word qry[3]; + + qry[0] = cfi_build_cmd('Q', map, cfi); + qry[1] = cfi_build_cmd('R', map, cfi); + qry[2] = cfi_build_cmd('Y', map, cfi); + + val[0] = map_read(map, base + osf*0x10); + val[1] = map_read(map, base + osf*0x11); + val[2] = map_read(map, base + osf*0x12); + + if (!map_word_equal(map, qry[0], val[0])) + return 0; + + if (!map_word_equal(map, qry[1], val[1])) + return 0; + + if (!map_word_equal(map, qry[2], val[2])) + return 0; + + return 1; /* "QRY" found */ +} + +int __xipram qry_mode_on(uint32_t base, struct map_info *map, + struct cfi_private *cfi) +{ + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); + if (qry_present(map, base, cfi)) + return 1; + /* QRY not found probably we deal with some odd CFI chips */ + /* Some revisions of some old Intel chips? */ + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); + if (qry_present(map, base, cfi)) + return 1; + /* ST M29DW chips */ + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL); + if (qry_present(map, base, cfi)) + return 1; + /* QRY not found */ + return 0; +} +void __xipram qry_mode_off(uint32_t base, struct map_info *map, + struct cfi_private *cfi) +{ + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); +} + struct cfi_extquery * __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name) { @@ -48,8 +104,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n #endif /* Switch it into Query Mode */ - cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); - + qry_mode_on(base, map, cfi); /* Read in the Extended Query Table */ for (i=0; idevice_type, NULL); - cfi_send_gen_cmd(0xff, 0, base, map, cfi, cfi->device_type, NULL); + qry_mode_off(base, map, cfi); #ifdef CONFIG_MTD_XIP (void) map_read(map, base); diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index d6fb115f5a07..3058917d7b92 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -12,6 +12,7 @@ #include #include #include +#include #ifdef CONFIG_MTD_CFI_I1 #define cfi_interleave(cfi) 1 @@ -430,7 +431,6 @@ static inline uint32_t cfi_send_gen_cmd(u_char cmd, uint32_t cmd_addr, uint32_t { map_word val; uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, cfi_interleave(cfi), type); - val = cfi_build_cmd(cmd, map, cfi); if (prev_val) @@ -483,6 +483,13 @@ static inline void cfi_udelay(int us) } } +int __xipram qry_present(struct map_info *map, __u32 base, + struct cfi_private *cfi); +int __xipram qry_mode_on(uint32_t base, struct map_info *map, + struct cfi_private *cfi); +void __xipram qry_mode_off(uint32_t base, struct map_info *map, + struct cfi_private *cfi); + struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size, const char* name); struct cfi_fixup { -- GitLab From e93cafe45fd74935e0aca2b79e533f0e3ed9640f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Anders=20Grafstr=C3=B6m?= Date: Tue, 5 Aug 2008 18:37:41 +0200 Subject: [PATCH 0254/6244] [MTD] [NOR] cfi_cmdset_0001: Timeouts for erase, write and unlock operations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Timeouts are currently given by the typical operation time times 8. It works in the general well-behaved case but not when an erase block is failing. For erase operations, it seems that a failing erase block will keep the device state machine in erasing state until the vendor specified maximum timeout period has passed. By this time the driver would have long since timed out, left erasing state and attempted further operations which all fail. This patch implements timeouts using values from the CFI Query structure when available. The patch also sets a longer timeout for locking operations. The current value used for locking/unlocking given by 1000000/HZ microseconds is too short for devices like J3 and J5 Strataflash which have a typical clear lock-bits time of 0.5 seconds. Signed-off-by: Anders Grafström Signed-off-by: David Woodhouse --- drivers/mtd/chips/cfi_cmdset_0001.c | 52 +++++++++++++++++++++-------- include/linux/mtd/flashchip.h | 4 +++ 2 files changed, 42 insertions(+), 14 deletions(-) diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index d49cbe2738a8..5157e3cb4b9e 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -478,6 +478,28 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) else cfi->chips[i].erase_time = 2000000; + if (cfi->cfiq->WordWriteTimeoutTyp && + cfi->cfiq->WordWriteTimeoutMax) + cfi->chips[i].word_write_time_max = + 1<<(cfi->cfiq->WordWriteTimeoutTyp + + cfi->cfiq->WordWriteTimeoutMax); + else + cfi->chips[i].word_write_time_max = 50000 * 8; + + if (cfi->cfiq->BufWriteTimeoutTyp && + cfi->cfiq->BufWriteTimeoutMax) + cfi->chips[i].buffer_write_time_max = + 1<<(cfi->cfiq->BufWriteTimeoutTyp + + cfi->cfiq->BufWriteTimeoutMax); + + if (cfi->cfiq->BlockEraseTimeoutTyp && + cfi->cfiq->BlockEraseTimeoutMax) + cfi->chips[i].erase_time_max = + 1000<<(cfi->cfiq->BlockEraseTimeoutTyp + + cfi->cfiq->BlockEraseTimeoutMax); + else + cfi->chips[i].erase_time_max = 2000000 * 8; + cfi->chips[i].ref_point_counter = 0; init_waitqueue_head(&(cfi->chips[i].wq)); } @@ -1012,7 +1034,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip, static int __xipram xip_wait_for_operation( struct map_info *map, struct flchip *chip, - unsigned long adr, unsigned int chip_op_time ) + unsigned long adr, unsigned int chip_op_time_max) { struct cfi_private *cfi = map->fldrv_priv; struct cfi_pri_intelext *cfip = cfi->cmdset_priv; @@ -1021,7 +1043,7 @@ static int __xipram xip_wait_for_operation( flstate_t oldstate, newstate; start = xip_currtime(); - usec = chip_op_time * 8; + usec = chip_op_time_max; if (usec == 0) usec = 500000; done = 0; @@ -1131,8 +1153,8 @@ static int __xipram xip_wait_for_operation( #define XIP_INVAL_CACHED_RANGE(map, from, size) \ INVALIDATE_CACHED_RANGE(map, from, size) -#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \ - xip_wait_for_operation(map, chip, cmd_adr, usec) +#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec, usec_max) \ + xip_wait_for_operation(map, chip, cmd_adr, usec_max) #else @@ -1144,7 +1166,7 @@ static int __xipram xip_wait_for_operation( static int inval_cache_and_wait_for_operation( struct map_info *map, struct flchip *chip, unsigned long cmd_adr, unsigned long inval_adr, int inval_len, - unsigned int chip_op_time) + unsigned int chip_op_time, unsigned int chip_op_time_max) { struct cfi_private *cfi = map->fldrv_priv; map_word status, status_OK = CMD(0x80); @@ -1156,8 +1178,7 @@ static int inval_cache_and_wait_for_operation( INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len); spin_lock(chip->mutex); - /* set our timeout to 8 times the expected delay */ - timeo = chip_op_time * 8; + timeo = chip_op_time_max; if (!timeo) timeo = 500000; reset_timeo = timeo; @@ -1217,8 +1238,8 @@ static int inval_cache_and_wait_for_operation( #endif -#define WAIT_TIMEOUT(map, chip, adr, udelay) \ - INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay); +#define WAIT_TIMEOUT(map, chip, adr, udelay, udelay_max) \ + INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay, udelay_max); static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len) @@ -1452,7 +1473,8 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, ret = INVAL_CACHE_AND_WAIT(map, chip, adr, adr, map_bankwidth(map), - chip->word_write_time); + chip->word_write_time, + chip->word_write_time_max); if (ret) { xip_enable(map, chip, adr); printk(KERN_ERR "%s: word write error (status timeout)\n", map->name); @@ -1623,7 +1645,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, chip->state = FL_WRITING_TO_BUFFER; map_write(map, write_cmd, cmd_adr); - ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0); + ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0, 0); if (ret) { /* Argh. Not ready for write to buffer */ map_word Xstatus = map_read(map, cmd_adr); @@ -1692,7 +1714,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, initial_adr, initial_len, - chip->buffer_write_time); + chip->buffer_write_time, + chip->buffer_write_time_max); if (ret) { map_write(map, CMD(0x70), cmd_adr); chip->state = FL_STATUS; @@ -1827,7 +1850,8 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, ret = INVAL_CACHE_AND_WAIT(map, chip, adr, adr, len, - chip->erase_time); + chip->erase_time, + chip->erase_time_max); if (ret) { map_write(map, CMD(0x70), adr); chip->state = FL_STATUS; @@ -2006,7 +2030,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip */ udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000/HZ : 0; - ret = WAIT_TIMEOUT(map, chip, adr, udelay); + ret = WAIT_TIMEOUT(map, chip, adr, udelay, udelay * 100); if (ret) { map_write(map, CMD(0x70), adr); chip->state = FL_STATUS; diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index 08dd131301c1..d4f38c5fd44e 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -73,6 +73,10 @@ struct flchip { int buffer_write_time; int erase_time; + int word_write_time_max; + int buffer_write_time_max; + int erase_time_max; + void *priv; }; -- GitLab From 9295aea1e8e00ea83965eb739b8d0bd2ea03c7cb Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:00:17 +0200 Subject: [PATCH 0255/6244] ALSA: wss_lib: move cs4231_lib into wss_lib Move the file sound/isa/cs423x/cs4231_lib.c into sound/isa/cs423x/wss_lib.c This is the first step toward merging all libraries for Windows Sound System compatible chips into a single library. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/Kconfig | 28 ++++++------ sound/isa/Makefile | 2 +- sound/isa/cs423x/Makefile | 2 - sound/isa/wss/Makefile | 10 +++++ .../{cs423x/cs4231_lib.c => wss/wss_lib.c} | 44 +++++++++---------- 5 files changed, 47 insertions(+), 39 deletions(-) create mode 100644 sound/isa/wss/Makefile rename sound/isa/{cs423x/cs4231_lib.c => wss/wss_lib.c} (99%) diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index 5769a13c1d95..87055568ccd4 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -4,7 +4,7 @@ config SND_AD1848_LIB tristate select SND_PCM -config SND_CS4231_LIB +config SND_WSS_LIB tristate select SND_PCM @@ -86,7 +86,7 @@ config SND_AZT2320 select ISAPNP select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for soundcards based on the Aztech Systems AZT2320 chip. @@ -108,7 +108,7 @@ config SND_CMI8330 config SND_CS4231 tristate "Generic Cirrus Logic CS4231 driver" select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for CS4231 chips from Cirrus Logic - Crystal Semiconductors. @@ -120,7 +120,7 @@ config SND_CS4232 tristate "Generic Cirrus Logic CS4232 driver" select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for CS4232 chips from Cirrus Logic - Crystal Semiconductors. @@ -132,7 +132,7 @@ config SND_CS4236 tristate "Generic Cirrus Logic CS4236+ driver" select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y to include support for CS4235,CS4236,CS4237B,CS4238B, CS4239 chips from Cirrus Logic - Crystal Semiconductors. @@ -228,7 +228,7 @@ config SND_GUSEXTREME config SND_GUSMAX tristate "Gravis UltraSound MAX" select SND_RAWMIDI - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for Gravis UltraSound MAX soundcards. @@ -240,7 +240,7 @@ config SND_INTERWAVE tristate "AMD InterWave, Gravis UltraSound PnP" depends on PNP select SND_RAWMIDI - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for AMD InterWave based soundcards (Gravis UltraSound Plug & Play, STB SoundRage32, @@ -253,7 +253,7 @@ config SND_INTERWAVE_STB tristate "AMD InterWave + TEA6330T (UltraSound 32-Pro)" depends on PNP select SND_RAWMIDI - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for AMD InterWave based soundcards with a TEA6330T bass and treble regulator @@ -266,7 +266,7 @@ config SND_OPL3SA2 tristate "Yamaha OPL3-SA2/SA3" select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for Yamaha OPL3-SA2 and OPL3-SA3 chips. @@ -292,7 +292,7 @@ config SND_OPTI92X_CS4231 select SND_OPL3_LIB select SND_OPL4_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for soundcards based on Opti 82C92x chips and using a CS4231 codec. @@ -304,7 +304,7 @@ config SND_OPTI93X tristate "OPTi 82C93x" select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for soundcards based on Opti 82C93x chips. @@ -315,7 +315,7 @@ config SND_OPTI93X config SND_MIRO tristate "Miro miroSOUND PCM1pro/PCM12/PCM20radio driver" select SND_OPL4_LIB - select SND_CS4231_LIB + select SND_WSS_LIB select SND_MPU401_UART select SND_PCM help @@ -384,7 +384,7 @@ config SND_SSCAPE tristate "Ensoniq SoundScape PnP driver" select SND_HWDEP select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for Ensoniq SoundScape PnP soundcards. @@ -397,7 +397,7 @@ config SND_WAVEFRONT select FW_LOADER select SND_OPL3_LIB select SND_MPU401_UART - select SND_CS4231_LIB + select SND_WSS_LIB help Say Y here to include support for Turtle Beach Maui, Tropez and Tropez+ soundcards based on the Wavefront chip. diff --git a/sound/isa/Makefile b/sound/isa/Makefile index c0ce7db2a1b5..63af13d901a5 100644 --- a/sound/isa/Makefile +++ b/sound/isa/Makefile @@ -27,4 +27,4 @@ obj-$(CONFIG_SND_SGALAXY) += snd-sgalaxy.o obj-$(CONFIG_SND_SSCAPE) += snd-sscape.o obj-$(CONFIG_SND) += ad1816a/ ad1848/ cs423x/ es1688/ gus/ opti9xx/ \ - sb/ wavefront/ + sb/ wavefront/ wss/ diff --git a/sound/isa/cs423x/Makefile b/sound/isa/cs423x/Makefile index 5067ee001933..5870ca21ab59 100644 --- a/sound/isa/cs423x/Makefile +++ b/sound/isa/cs423x/Makefile @@ -3,14 +3,12 @@ # Copyright (c) 2001 by Jaroslav Kysela # -snd-cs4231-lib-objs := cs4231_lib.o snd-cs4236-lib-objs := cs4236_lib.o snd-cs4231-objs := cs4231.o snd-cs4232-objs := cs4232.o snd-cs4236-objs := cs4236.o # Toplevel Module Dependency -obj-$(CONFIG_SND_CS4231_LIB) += snd-cs4231-lib.o obj-$(CONFIG_SND_CS4231) += snd-cs4231.o obj-$(CONFIG_SND_CS4232) += snd-cs4232.o obj-$(CONFIG_SND_CS4236) += snd-cs4236.o snd-cs4236-lib.o diff --git a/sound/isa/wss/Makefile b/sound/isa/wss/Makefile new file mode 100644 index 000000000000..454fee769a31 --- /dev/null +++ b/sound/isa/wss/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for ALSA +# Copyright (c) 2008 by Jaroslav Kysela +# + +snd-wss-lib-objs := wss_lib.o + +# Toplevel Module Dependency +obj-$(CONFIG_SND_WSS_LIB) += snd-wss-lib.o + diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/wss/wss_lib.c similarity index 99% rename from sound/isa/cs423x/cs4231_lib.c rename to sound/isa/wss/wss_lib.c index 521db705d179..c5795f32ed30 100644 --- a/sound/isa/cs423x/cs4231_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -3,7 +3,7 @@ * Routines for control of CS4231(A)/CS4232/InterWave & compatible chips * * Bugs: - * - sometimes record brokes playback with WSS portion of + * - sometimes record brokes playback with WSS portion of * Yamaha OPL3-SA3 chip * - CS4231 (GUS MAX) - still trouble with occasional noises * - broken initialization? @@ -176,7 +176,7 @@ static void snd_cs4231_wait(struct snd_cs4231 *chip) for (timeout = 250; timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) - udelay(100); + udelay(100); } static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg, @@ -205,7 +205,7 @@ static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned for (timeout = 250; timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) - udelay(10); + udelay(10); cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); cs4231_outb(chip, CS4231P(REG), value); mb(); @@ -322,7 +322,7 @@ static void snd_cs4231_busy_wait(struct snd_cs4231 *chip) for (timeout = 250; timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) - udelay(10); + udelay(10); } void snd_cs4231_mce_up(struct snd_cs4231 *chip) @@ -537,7 +537,7 @@ static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute) snd_cs4231_dout(chip, CS4231_MONO_CTRL, mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); if (chip->hardware == CS4231_HW_INTERWAVE) { snd_cs4231_dout(chip, CS4231_LEFT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]); - snd_cs4231_dout(chip, CS4231_RIGHT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]); + snd_cs4231_dout(chip, CS4231_RIGHT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]); snd_cs4231_dout(chip, CS4231_LINE_LEFT_OUTPUT, mute ? 0x80 : chip->image[CS4231_LINE_LEFT_OUTPUT]); snd_cs4231_dout(chip, CS4231_LINE_RIGHT_OUTPUT, mute ? 0x80 : chip->image[CS4231_LINE_RIGHT_OUTPUT]); } @@ -952,7 +952,7 @@ irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id) if (status & CS4231_TIMER_IRQ) { if (chip->timer) snd_timer_interrupt(chip->timer, chip->timer->sticks); - } + } if (chip->single_dma && chip->hardware != CS4231_HW_INTERWAVE) { if (status & CS4231_PLAYBACK_IRQ) { if (chip->mode & CS4231_MODE_PLAY) { @@ -1000,7 +1000,7 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *su { struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); size_t ptr; - + if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE)) return 0; ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); @@ -1234,8 +1234,8 @@ static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) /* hardware bug in InterWave chipset */ if (chip->hardware == CS4231_HW_INTERWAVE && chip->dma1 > 3) - runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW; - + runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW; + /* hardware limitation of cheap chips */ if (chip->hardware == CS4231_HW_CS4235 || chip->hardware == CS4231_HW_CS4239) @@ -1319,7 +1319,7 @@ static void snd_cs4231_suspend(struct snd_cs4231 *chip) { int reg; unsigned long flags; - + snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) @@ -1333,7 +1333,7 @@ static void snd_cs4231_resume(struct snd_cs4231 *chip) int reg; unsigned long flags; /* int timeout; */ - + snd_cs4231_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) { @@ -1396,7 +1396,7 @@ static int snd_cs4231_free(struct snd_cs4231 *chip) static int snd_cs4231_dev_free(struct snd_device *device) { struct snd_cs4231 *chip = device->device_data; - return snd_cs4231_free(chip); + return snd_cs4231_free(chip); } const char *snd_cs4231_chip_id(struct snd_cs4231 *chip) @@ -1469,7 +1469,7 @@ int snd_cs4231_create(struct snd_card *card, err = snd_cs4231_new(card, hardware, hwshare, &chip); if (err < 0) return err; - + chip->irq = -1; chip->dma1 = -1; chip->dma2 = -1; @@ -1575,7 +1575,7 @@ int snd_cs4231_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops); - + /* global setup */ pcm->private_data = chip; pcm->info_flags = 0; @@ -1624,7 +1624,7 @@ int snd_cs4231_timer(struct snd_cs4231 *chip, int device, struct snd_timer **rti *rtimer = timer; return 0; } - + /* * MIXER part */ @@ -1663,7 +1663,7 @@ static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem { struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; - + spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.enumerated.item[0] = (chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6; ucontrol->value.enumerated.item[1] = (chip->image[CS4231_RIGHT_INPUT] & CS4231_MIXS_ALL) >> 6; @@ -1677,7 +1677,7 @@ static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem unsigned long flags; unsigned short left, right; int change; - + if (ucontrol->value.enumerated.item[0] > 3 || ucontrol->value.enumerated.item[1] > 3) return -EINVAL; @@ -1713,7 +1713,7 @@ int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; - + spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; spin_unlock_irqrestore(&chip->reg_lock, flags); @@ -1732,7 +1732,7 @@ int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned short val; - + val = (ucontrol->value.integer.value[0] & mask); if (invert) val = mask - val; @@ -1766,7 +1766,7 @@ int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val int shift_right = (kcontrol->private_value >> 19) & 0x07; int mask = (kcontrol->private_value >> 24) & 0xff; int invert = (kcontrol->private_value >> 22) & 1; - + spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; @@ -1790,7 +1790,7 @@ int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val int invert = (kcontrol->private_value >> 22) & 1; int change; unsigned short val1, val2; - + val1 = ucontrol->value.integer.value[0] & mask; val2 = ucontrol->value.integer.value[1] & mask; if (invert) { @@ -1834,7 +1834,7 @@ CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0) CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0), CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1) }; - + static struct snd_kcontrol_new snd_opti93x_controls[] = { CS4231_DOUBLE("Master Playback Switch", 0, OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1), -- GitLab From 61ef19d7e771ce021edb0dff0da134b6d688d4aa Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:02:42 +0200 Subject: [PATCH 0256/6244] ALSA: wss_lib: rename cs4231.h into wss.h Rename file include/sound/cs4231.h into include/sound/wss.h Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/snd_wavefront.h | 1 - include/sound/{cs4231.h => wss.h} | 0 sound/isa/azt2320.c | 2 +- sound/isa/cs423x/cs4231.c | 2 +- sound/isa/cs423x/cs4236.c | 2 +- sound/isa/cs423x/cs4236_lib.c | 2 +- sound/isa/gus/gusmax.c | 2 +- sound/isa/gus/interwave.c | 2 +- sound/isa/opl3sa2.c | 2 +- sound/isa/opti9xx/miro.c | 2 +- sound/isa/opti9xx/opti92x-ad1848.c | 2 +- sound/isa/sscape.c | 2 +- sound/isa/wavefront/wavefront.c | 1 + sound/isa/wss/wss_lib.c | 2 +- 14 files changed, 12 insertions(+), 12 deletions(-) rename include/sound/{cs4231.h => wss.h} (100%) diff --git a/include/sound/snd_wavefront.h b/include/sound/snd_wavefront.h index 9688d4be918e..fa149ca77e4b 100644 --- a/include/sound/snd_wavefront.h +++ b/include/sound/snd_wavefront.h @@ -1,7 +1,6 @@ #ifndef __SOUND_SND_WAVEFRONT_H__ #define __SOUND_SND_WAVEFRONT_H__ -#include "cs4231.h" #include "mpu401.h" #include "hwdep.h" #include "rawmidi.h" diff --git a/include/sound/cs4231.h b/include/sound/wss.h similarity index 100% rename from include/sound/cs4231.h rename to include/sound/wss.h diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c index 154e728f592d..a24db091d445 100644 --- a/sound/isa/azt2320.c +++ b/sound/isa/azt2320.c @@ -38,7 +38,7 @@ #include #include #include -#include +#include #include #include diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c index e9462b9944be..7da28e7c0322 100644 --- a/sound/isa/cs423x/cs4231.c +++ b/sound/isa/cs423x/cs4231.c @@ -27,7 +27,7 @@ #include #include #include -#include +#include #include #include diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 4d4b8ddc26ba..246c221556e3 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -26,7 +26,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c index de71910401ea..eb227d856d1e 100644 --- a/sound/isa/cs423x/cs4236_lib.c +++ b/sound/isa/cs423x/cs4236_lib.c @@ -85,7 +85,7 @@ #include #include #include -#include +#include #include MODULE_AUTHOR("Jaroslav Kysela "); diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c index f87c6236661c..cd82891db80a 100644 --- a/sound/isa/gus/gusmax.c +++ b/sound/isa/gus/gusmax.c @@ -28,7 +28,7 @@ #include #include #include -#include +#include #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA #include diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c index ca0d7ace0c75..eac8cc77e338 100644 --- a/sound/isa/gus/interwave.c +++ b/sound/isa/gus/interwave.c @@ -32,7 +32,7 @@ #include #include #include -#include +#include #ifdef SNDRV_STB #include #endif diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c index 854a9f74b466..e81cbe86823a 100644 --- a/sound/isa/opl3sa2.c +++ b/sound/isa/opl3sa2.c @@ -28,7 +28,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c index 2a1e2f5d12c2..59f7c55baf30 100644 --- a/sound/isa/opti9xx/miro.c +++ b/sound/isa/opti9xx/miro.c @@ -32,7 +32,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 0797ca441a37..93a03d9c7a95 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -34,7 +34,7 @@ #include #include #if defined(CS4231) || defined(OPTi93X) -#include +#include #else #include #endif /* CS4231 */ diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index 06ad7863dff5..1dc4224b3207 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -31,7 +31,7 @@ #include #include #include -#include +#include #include #include diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c index 3a6c6fe1ec4d..2fb058b5a45f 100644 --- a/sound/isa/wavefront/wavefront.c +++ b/sound/isa/wavefront/wavefront.c @@ -29,6 +29,7 @@ #include #include #include +#include #include MODULE_AUTHOR("Paul Barton-Davis "); diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index c5795f32ed30..549e6ab34b03 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -31,7 +31,7 @@ #include #include #include -#include +#include #include #include -- GitLab From 7779f75f072784d3fccf721b8ec43107f93619a0 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:03:41 +0200 Subject: [PATCH 0257/6244] ALSA: wss_lib: rename cs4321_foo to wss_foo Rename functions and structures from the former cs4321_lib to names more corresponding with the new name: wss_lib. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/wss.h | 172 ++-- sound/isa/azt2320.c | 27 +- sound/isa/cs423x/cs4231.c | 16 +- sound/isa/cs423x/cs4236.c | 47 +- sound/isa/cs423x/cs4236_lib.c | 344 ++++---- sound/isa/gus/gusmax.c | 48 +- sound/isa/gus/interwave.c | 65 +- sound/isa/opl3sa2.c | 34 +- sound/isa/opti9xx/miro.c | 23 +- sound/isa/opti9xx/opti92x-ad1848.c | 36 +- sound/isa/sscape.c | 61 +- sound/isa/wavefront/wavefront.c | 61 +- sound/isa/wss/wss_lib.c | 1247 ++++++++++++++++------------ 13 files changed, 1225 insertions(+), 956 deletions(-) diff --git a/include/sound/wss.h b/include/sound/wss.h index f0785f9f4ae4..3b53973f96a7 100644 --- a/include/sound/wss.h +++ b/include/sound/wss.h @@ -1,5 +1,5 @@ -#ifndef __SOUND_CS4231_H -#define __SOUND_CS4231_H +#ifndef __SOUND_WSS_H +#define __SOUND_WSS_H /* * Copyright (c) by Jaroslav Kysela @@ -30,42 +30,42 @@ /* defines for codec.mode */ -#define CS4231_MODE_NONE 0x0000 -#define CS4231_MODE_PLAY 0x0001 -#define CS4231_MODE_RECORD 0x0002 -#define CS4231_MODE_TIMER 0x0004 -#define CS4231_MODE_OPEN (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER) +#define WSS_MODE_NONE 0x0000 +#define WSS_MODE_PLAY 0x0001 +#define WSS_MODE_RECORD 0x0002 +#define WSS_MODE_TIMER 0x0004 +#define WSS_MODE_OPEN (WSS_MODE_PLAY|WSS_MODE_RECORD|WSS_MODE_TIMER) /* defines for codec.hardware */ -#define CS4231_HW_DETECT 0x0000 /* let CS4231 driver detect chip */ -#define CS4231_HW_DETECT3 0x0001 /* allow mode 3 */ -#define CS4231_HW_TYPE_MASK 0xff00 /* type mask */ -#define CS4231_HW_CS4231_MASK 0x0100 /* CS4231 serie */ -#define CS4231_HW_CS4231 0x0100 /* CS4231 chip */ -#define CS4231_HW_CS4231A 0x0101 /* CS4231A chip */ -#define CS4231_HW_AD1845 0x0102 /* AD1845 chip */ -#define CS4231_HW_CS4232_MASK 0x0200 /* CS4232 serie (has control ports) */ -#define CS4231_HW_CS4232 0x0200 /* CS4232 */ -#define CS4231_HW_CS4232A 0x0201 /* CS4232A */ -#define CS4231_HW_CS4236 0x0202 /* CS4236 */ -#define CS4231_HW_CS4236B_MASK 0x0400 /* CS4236B serie (has extended control regs) */ -#define CS4231_HW_CS4235 0x0400 /* CS4235 - Crystal Clear (tm) stereo enhancement */ -#define CS4231_HW_CS4236B 0x0401 /* CS4236B */ -#define CS4231_HW_CS4237B 0x0402 /* CS4237B - SRS 3D */ -#define CS4231_HW_CS4238B 0x0403 /* CS4238B - QSOUND 3D */ -#define CS4231_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */ +#define WSS_HW_DETECT 0x0000 /* let CS4231 driver detect chip */ +#define WSS_HW_DETECT3 0x0001 /* allow mode 3 */ +#define WSS_HW_TYPE_MASK 0xff00 /* type mask */ +#define WSS_HW_CS4231_MASK 0x0100 /* CS4231 serie */ +#define WSS_HW_CS4231 0x0100 /* CS4231 chip */ +#define WSS_HW_CS4231A 0x0101 /* CS4231A chip */ +#define WSS_HW_AD1845 0x0102 /* AD1845 chip */ +#define WSS_HW_CS4232_MASK 0x0200 /* CS4232 serie (has control ports) */ +#define WSS_HW_CS4232 0x0200 /* CS4232 */ +#define WSS_HW_CS4232A 0x0201 /* CS4232A */ +#define WSS_HW_CS4236 0x0202 /* CS4236 */ +#define WSS_HW_CS4236B_MASK 0x0400 /* CS4236B serie (has extended control regs) */ +#define WSS_HW_CS4235 0x0400 /* CS4235 - Crystal Clear (tm) stereo enhancement */ +#define WSS_HW_CS4236B 0x0401 /* CS4236B */ +#define WSS_HW_CS4237B 0x0402 /* CS4237B - SRS 3D */ +#define WSS_HW_CS4238B 0x0403 /* CS4238B - QSOUND 3D */ +#define WSS_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */ /* compatible, but clones */ -#define CS4231_HW_INTERWAVE 0x1000 /* InterWave chip */ -#define CS4231_HW_OPL3SA2 0x1101 /* OPL3-SA2 chip, similar to cs4231 */ -#define CS4231_HW_OPTI93X 0x1102 /* Opti 930/931/933 */ +#define WSS_HW_INTERWAVE 0x1000 /* InterWave chip */ +#define WSS_HW_OPL3SA2 0x1101 /* OPL3-SA2 chip, similar to cs4231 */ +#define WSS_HW_OPTI93X 0x1102 /* Opti 930/931/933 */ /* defines for codec.hwshare */ -#define CS4231_HWSHARE_IRQ (1<<0) -#define CS4231_HWSHARE_DMA1 (1<<1) -#define CS4231_HWSHARE_DMA2 (1<<2) +#define WSS_HWSHARE_IRQ (1<<0) +#define WSS_HWSHARE_DMA1 (1<<1) +#define WSS_HWSHARE_DMA2 (1<<2) -struct snd_cs4231 { +struct snd_wss { unsigned long port; /* base i/o port */ struct resource *res_port; unsigned long cport; /* control base i/o port (CS4236) */ @@ -74,8 +74,8 @@ struct snd_cs4231 { int dma1; /* playback DMA */ int dma2; /* record DMA */ unsigned short version; /* version of CODEC chip */ - unsigned short mode; /* see to CS4231_MODE_XXXX */ - unsigned short hardware; /* see to CS4231_HW_XXXX */ + unsigned short mode; /* see to WSS_MODE_XXXX */ + unsigned short hardware; /* see to WSS_HW_XXXX */ unsigned short hwshare; /* shared resources */ unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ ebus_flag:1; /* SPARC: EBUS present */ @@ -100,43 +100,50 @@ struct snd_cs4231 { struct mutex open_mutex; int (*rate_constraint) (struct snd_pcm_runtime *runtime); - void (*set_playback_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char pdfr); - void (*set_capture_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char cdfr); - void (*trigger) (struct snd_cs4231 *chip, unsigned int what, int start); + void (*set_playback_format) (struct snd_wss *chip, + struct snd_pcm_hw_params *hw_params, + unsigned char pdfr); + void (*set_capture_format) (struct snd_wss *chip, + struct snd_pcm_hw_params *hw_params, + unsigned char cdfr); + void (*trigger) (struct snd_wss *chip, unsigned int what, int start); #ifdef CONFIG_PM - void (*suspend) (struct snd_cs4231 *chip); - void (*resume) (struct snd_cs4231 *chip); + void (*suspend) (struct snd_wss *chip); + void (*resume) (struct snd_wss *chip); #endif void *dma_private_data; - int (*claim_dma) (struct snd_cs4231 *chip, void *dma_private_data, int dma); - int (*release_dma) (struct snd_cs4231 *chip, void *dma_private_data, int dma); + int (*claim_dma) (struct snd_wss *chip, + void *dma_private_data, int dma); + int (*release_dma) (struct snd_wss *chip, + void *dma_private_data, int dma); }; /* exported functions */ -void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val); -unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg); -void snd_cs4236_ext_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val); -unsigned char snd_cs4236_ext_in(struct snd_cs4231 *chip, unsigned char reg); -void snd_cs4231_mce_up(struct snd_cs4231 *chip); -void snd_cs4231_mce_down(struct snd_cs4231 *chip); +void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char val); +unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg); +void snd_cs4236_ext_out(struct snd_wss *chip, + unsigned char reg, unsigned char val); +unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg); +void snd_wss_mce_up(struct snd_wss *chip); +void snd_wss_mce_down(struct snd_wss *chip); -void snd_cs4231_overrange(struct snd_cs4231 *chip); +void snd_wss_overrange(struct snd_wss *chip); -irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id); +irqreturn_t snd_wss_interrupt(int irq, void *dev_id); -const char *snd_cs4231_chip_id(struct snd_cs4231 *chip); +const char *snd_wss_chip_id(struct snd_wss *chip); -int snd_cs4231_create(struct snd_card *card, +int snd_wss_create(struct snd_card *card, unsigned long port, unsigned long cport, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, - struct snd_cs4231 ** rchip); -int snd_cs4231_pcm(struct snd_cs4231 * chip, int device, struct snd_pcm **rpcm); -int snd_cs4231_timer(struct snd_cs4231 * chip, int device, struct snd_timer **rtimer); -int snd_cs4231_mixer(struct snd_cs4231 * chip); + struct snd_wss **rchip); +int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); +int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer); +int snd_wss_mixer(struct snd_wss *chip); int snd_cs4236_create(struct snd_card *card, unsigned long port, @@ -144,32 +151,45 @@ int snd_cs4236_create(struct snd_card *card, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, - struct snd_cs4231 ** rchip); -int snd_cs4236_pcm(struct snd_cs4231 * chip, int device, struct snd_pcm **rpcm); -int snd_cs4236_mixer(struct snd_cs4231 * chip); + struct snd_wss **rchip); +int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); +int snd_cs4236_mixer(struct snd_wss *chip); /* * mixer library */ -#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_cs4231_info_single, \ - .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \ +#define WSS_SINGLE(xname, xindex, reg, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_wss_info_single, \ + .get = snd_wss_get_single, \ + .put = snd_wss_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } -int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); -int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); -int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); - -#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ - .info = snd_cs4231_info_double, \ - .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \ - .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } - -int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); -int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); -int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); - -#endif /* __SOUND_CS4231_H */ +int snd_wss_info_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_wss_get_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_wss_put_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); + +#define WSS_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = xindex, \ + .info = snd_wss_info_double, \ + .get = snd_wss_get_double, \ + .put = snd_wss_put_double, \ + .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ + (shift_right << 19) | (mask << 24) | (invert << 22) } + +int snd_wss_info_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_wss_get_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_wss_put_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); + +#endif /* __SOUND_WSS_H */ diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c index a24db091d445..3e74d1a3928e 100644 --- a/sound/isa/azt2320.c +++ b/sound/isa/azt2320.c @@ -76,7 +76,7 @@ struct snd_card_azt2320 { int dev_no; struct pnp_dev *dev; struct pnp_dev *devmpu; - struct snd_cs4231 *chip; + struct snd_wss *chip; }; static struct pnp_card_device_id snd_azt2320_pnpids[] = { @@ -181,7 +181,7 @@ static int __devinit snd_card_azt2320_probe(int dev, int error; struct snd_card *card; struct snd_card_azt2320 *acard; - struct snd_cs4231 *chip; + struct snd_wss *chip; struct snd_opl3 *opl3; if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE, @@ -200,11 +200,11 @@ static int __devinit snd_card_azt2320_probe(int dev, return error; } - if ((error = snd_cs4231_create(card, wss_port[dev], -1, - irq[dev], - dma1[dev], - dma2[dev], - CS4231_HW_DETECT, 0, &chip)) < 0) { + error = snd_wss_create(card, wss_port[dev], -1, + irq[dev], + dma1[dev], dma2[dev], + WSS_HW_DETECT, 0, &chip); + if (error < 0) { snd_card_free(card); return error; } @@ -214,15 +214,18 @@ static int __devinit snd_card_azt2320_probe(int dev, sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i", card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]); - if ((error = snd_cs4231_pcm(chip, 0, NULL)) < 0) { + error = snd_wss_pcm(chip, 0, NULL); + if (error < 0) { snd_card_free(card); return error; } - if ((error = snd_cs4231_mixer(chip)) < 0) { + error = snd_wss_mixer(chip); + if (error < 0) { snd_card_free(card); return error; } - if ((error = snd_cs4231_timer(chip, 0, NULL)) < 0) { + error = snd_wss_timer(chip, 0, NULL); + if (error < 0) { snd_card_free(card); return error; } @@ -293,7 +296,7 @@ static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t sta { struct snd_card *card = pnp_get_card_drvdata(pcard); struct snd_card_azt2320 *acard = card->private_data; - struct snd_cs4231 *chip = acard->chip; + struct snd_wss *chip = acard->chip; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); @@ -304,7 +307,7 @@ static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard) { struct snd_card *card = pnp_get_card_drvdata(pcard); struct snd_card_azt2320 *acard = card->private_data; - struct snd_cs4231 *chip = acard->chip; + struct snd_wss *chip = acard->chip; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c index 7da28e7c0322..ddd289120aa8 100644 --- a/sound/isa/cs423x/cs4231.c +++ b/sound/isa/cs423x/cs4231.c @@ -91,7 +91,7 @@ static int __devinit snd_cs4231_match(struct device *dev, unsigned int n) static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n) { struct snd_card *card; - struct snd_cs4231 *chip; + struct snd_wss *chip; struct snd_pcm *pcm; int error; @@ -99,14 +99,14 @@ static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n) if (!card) return -EINVAL; - error = snd_cs4231_create(card, port[n], -1, irq[n], dma1[n], dma2[n], - CS4231_HW_DETECT, 0, &chip); + error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], dma2[n], + WSS_HW_DETECT, 0, &chip); if (error < 0) goto out; card->private_data = chip; - error = snd_cs4231_pcm(chip, 0, &pcm); + error = snd_wss_pcm(chip, 0, &pcm); if (error < 0) goto out; @@ -118,11 +118,11 @@ static int __devinit snd_cs4231_probe(struct device *dev, unsigned int n) if (dma2[n] >= 0) sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]); - error = snd_cs4231_mixer(chip); + error = snd_wss_mixer(chip); if (error < 0) goto out; - error = snd_cs4231_timer(chip, 0, NULL); + error = snd_wss_timer(chip, 0, NULL); if (error < 0) goto out; @@ -160,7 +160,7 @@ static int __devexit snd_cs4231_remove(struct device *dev, unsigned int n) static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(dev); - struct snd_cs4231 *chip = card->private_data; + struct snd_wss *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); @@ -170,7 +170,7 @@ static int snd_cs4231_suspend(struct device *dev, unsigned int n, pm_message_t s static int snd_cs4231_resume(struct device *dev, unsigned int n) { struct snd_card *card = dev_get_drvdata(dev); - struct snd_cs4231 *chip = card->private_data; + struct snd_wss *chip = card->private_data; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 246c221556e3..3ff0f1229910 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -134,7 +134,7 @@ static int pnp_registered; #endif /* CONFIG_PNP */ struct snd_card_cs4236 { - struct snd_cs4231 *chip; + struct snd_wss *chip; struct resource *res_sb_port; #ifdef CONFIG_PNP struct pnp_dev *wss; @@ -396,7 +396,7 @@ static int __devinit snd_cs423x_probe(struct snd_card *card, int dev) { struct snd_card_cs4236 *acard; struct snd_pcm *pcm; - struct snd_cs4231 *chip; + struct snd_wss *chip; struct snd_opl3 *opl3; int err; @@ -408,41 +408,37 @@ static int __devinit snd_cs423x_probe(struct snd_card *card, int dev) } #ifdef CS4232 - if ((err = snd_cs4231_create(card, - port[dev], - cport[dev], - irq[dev], - dma1[dev], - dma2[dev], - CS4231_HW_DETECT, - 0, - &chip)) < 0) + err = snd_wss_create(card, port[dev], cport[dev], + irq[dev], + dma1[dev], dma2[dev], + WSS_HW_DETECT, 0, &chip); + if (err < 0) return err; acard->chip = chip; - if ((err = snd_cs4231_pcm(chip, 0, &pcm)) < 0) + err = snd_wss_pcm(chip, 0, &pcm); + if (err < 0) return err; - if ((err = snd_cs4231_mixer(chip)) < 0) + err = snd_wss_mixer(chip); + if (err < 0) return err; #else /* CS4236 */ - if ((err = snd_cs4236_create(card, - port[dev], - cport[dev], - irq[dev], - dma1[dev], - dma2[dev], - CS4231_HW_DETECT, - 0, - &chip)) < 0) + err = snd_cs4236_create(card, + port[dev], cport[dev], + irq[dev], dma1[dev], dma2[dev], + WSS_HW_DETECT, 0, &chip); + if (err < 0) return err; acard->chip = chip; - if ((err = snd_cs4236_pcm(chip, 0, &pcm)) < 0) + err = snd_cs4236_pcm(chip, 0, &pcm); + if (err < 0) return err; - if ((err = snd_cs4236_mixer(chip)) < 0) + err = snd_cs4236_mixer(chip); + if (err < 0) return err; #endif strcpy(card->driver, pcm->name); @@ -455,7 +451,8 @@ static int __devinit snd_cs423x_probe(struct snd_card *card, int dev) if (dma2[dev] >= 0) sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]); - if ((err = snd_cs4231_timer(chip, 0, NULL)) < 0) + err = snd_wss_timer(chip, 0, NULL); + if (err < 0) return err; if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c index eb227d856d1e..33e9cf178b8b 100644 --- a/sound/isa/cs423x/cs4236_lib.c +++ b/sound/isa/cs423x/cs4236_lib.c @@ -121,13 +121,14 @@ static unsigned char snd_cs4236_ext_map[18] = { * */ -static void snd_cs4236_ctrl_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val) +static void snd_cs4236_ctrl_out(struct snd_wss *chip, + unsigned char reg, unsigned char val) { outb(reg, chip->cport + 3); outb(chip->cimage[reg] = val, chip->cport + 4); } -static unsigned char snd_cs4236_ctrl_in(struct snd_cs4231 *chip, unsigned char reg) +static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg) { outb(reg, chip->cport + 3); return inb(chip->cport + 4); @@ -180,44 +181,52 @@ static unsigned char divisor_to_rate_register(unsigned int divisor) } } -static void snd_cs4236_playback_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, unsigned char pdfr) +static void snd_cs4236_playback_format(struct snd_wss *chip, + struct snd_pcm_hw_params *params, + unsigned char pdfr) { unsigned long flags; unsigned char rate = divisor_to_rate_register(params->rate_den); spin_lock_irqsave(&chip->reg_lock, flags); /* set fast playback format change and clean playback FIFO */ - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x10); - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] & ~0x10); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] | 0x10); + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] & ~0x10); snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } -static void snd_cs4236_capture_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params, unsigned char cdfr) +static void snd_cs4236_capture_format(struct snd_wss *chip, + struct snd_pcm_hw_params *params, + unsigned char cdfr) { unsigned long flags; unsigned char rate = divisor_to_rate_register(params->rate_den); spin_lock_irqsave(&chip->reg_lock, flags); /* set fast capture format change and clean capture FIFO */ - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x20); - snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] & ~0x20); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] | 0x20); + snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] & ~0x20); snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } #ifdef CONFIG_PM -static void snd_cs4236_suspend(struct snd_cs4231 *chip) +static void snd_cs4236_suspend(struct snd_wss *chip) { int reg; unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) - chip->image[reg] = snd_cs4231_in(chip, reg); + chip->image[reg] = snd_wss_in(chip, reg); for (reg = 0; reg < 18; reg++) chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg)); for (reg = 2; reg < 9; reg++) @@ -225,12 +234,12 @@ static void snd_cs4236_suspend(struct snd_cs4231 *chip) spin_unlock_irqrestore(&chip->reg_lock, flags); } -static void snd_cs4236_resume(struct snd_cs4231 *chip) +static void snd_cs4236_resume(struct snd_wss *chip) { int reg; unsigned long flags; - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) { switch (reg) { @@ -240,7 +249,7 @@ static void snd_cs4236_resume(struct snd_cs4231 *chip) case 29: /* why? CS4235 - master right */ break; default: - snd_cs4231_out(chip, reg, chip->image[reg]); + snd_wss_out(chip, reg, chip->image[reg]); break; } } @@ -255,7 +264,7 @@ static void snd_cs4236_resume(struct snd_cs4231 *chip) } } spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); } #endif /* CONFIG_PM */ @@ -266,24 +275,26 @@ int snd_cs4236_create(struct snd_card *card, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, - struct snd_cs4231 ** rchip) + struct snd_wss **rchip) { - struct snd_cs4231 *chip; + struct snd_wss *chip; unsigned char ver1, ver2; unsigned int reg; int err; *rchip = NULL; - if (hardware == CS4231_HW_DETECT) - hardware = CS4231_HW_DETECT3; + if (hardware == WSS_HW_DETECT) + hardware = WSS_HW_DETECT3; if (cport < 0x100) { snd_printk("please, specify control port for CS4236+ chips\n"); return -ENODEV; } - if ((err = snd_cs4231_create(card, port, cport, irq, dma1, dma2, hardware, hwshare, &chip)) < 0) + err = snd_wss_create(card, port, cport, + irq, dma1, dma2, hardware, hwshare, &chip); + if (err < 0) return err; - if (!(chip->hardware & CS4231_HW_CS4236B_MASK)) { + if (!(chip->hardware & WSS_HW_CS4236B_MASK)) { snd_printk("CS4236+: MODE3 and extended registers not available, hardware=0x%x\n",chip->hardware); snd_device_free(card, chip); return -ENODEV; @@ -330,20 +341,20 @@ int snd_cs4236_create(struct snd_card *card, snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), snd_cs4236_ext_map[reg]); /* initialize compatible but more featured registers */ - snd_cs4231_out(chip, CS4231_LEFT_INPUT, 0x40); - snd_cs4231_out(chip, CS4231_RIGHT_INPUT, 0x40); - snd_cs4231_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff); - snd_cs4231_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff); - snd_cs4231_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf); - snd_cs4231_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf); - snd_cs4231_out(chip, CS4231_RIGHT_LINE_IN, 0xff); - snd_cs4231_out(chip, CS4231_LEFT_LINE_IN, 0xff); - snd_cs4231_out(chip, CS4231_RIGHT_LINE_IN, 0xff); + snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40); + snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40); + snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff); + snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff); + snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf); + snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf); + snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff); + snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff); + snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff); switch (chip->hardware) { - case CS4231_HW_CS4235: - case CS4231_HW_CS4239: - snd_cs4231_out(chip, CS4235_LEFT_MASTER, 0xff); - snd_cs4231_out(chip, CS4235_RIGHT_MASTER, 0xff); + case WSS_HW_CS4235: + case WSS_HW_CS4239: + snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff); + snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff); break; } @@ -351,12 +362,13 @@ int snd_cs4236_create(struct snd_card *card, return 0; } -int snd_cs4236_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm) +int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) { struct snd_pcm *pcm; int err; - if ((err = snd_cs4231_pcm(chip, device, &pcm)) < 0) + err = snd_wss_pcm(chip, device, &pcm); + if (err < 0) return err; pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX; if (rpcm) @@ -387,7 +399,7 @@ static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -404,7 +416,7 @@ static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -433,7 +445,7 @@ static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -450,7 +462,7 @@ static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -490,7 +502,7 @@ static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -512,7 +524,7 @@ static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -555,7 +567,7 @@ static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -577,7 +589,7 @@ static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -600,7 +612,7 @@ static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_ val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2; change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)]; - snd_cs4231_out(chip, left_reg, val1); + snd_wss_out(chip, left_reg, val1); snd_cs4236_ext_out(chip, right_reg, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; @@ -619,7 +631,7 @@ static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol) static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); @@ -631,7 +643,7 @@ static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct s static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short val1, val2; @@ -678,7 +690,7 @@ static inline int snd_cs4235_mixer_output_accu_set_volume(int vol) static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); @@ -690,7 +702,7 @@ static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short val1, val2; @@ -701,108 +713,160 @@ static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1; val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2; change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER]; - snd_cs4231_out(chip, CS4235_LEFT_MASTER, val1); - snd_cs4231_out(chip, CS4235_RIGHT_MASTER, val2); + snd_wss_out(chip, CS4235_LEFT_MASTER, val1); + snd_wss_out(chip, CS4235_RIGHT_MASTER, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } static struct snd_kcontrol_new snd_cs4236_controls[] = { -CS4236_DOUBLE("Master Digital Playback Switch", 0, CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1), -CS4236_DOUBLE("Master Digital Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), +CS4236_DOUBLE("Master Digital Playback Switch", 0, + CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1), +CS4236_DOUBLE("Master Digital Capture Switch", 0, + CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), CS4236_MASTER_DIGITAL("Master Digital Volume", 0), -CS4236_DOUBLE("Capture Boost Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1), - -CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), -CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), - -CS4236_DOUBLE("DSP Playback Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1), -CS4236_DOUBLE("DSP Playback Volume", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1), - -CS4236_DOUBLE("FM Playback Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1), -CS4236_DOUBLE("FM Playback Volume", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1), - -CS4236_DOUBLE("Wavetable Playback Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), -CS4236_DOUBLE("Wavetable Playback Volume", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1), - -CS4231_DOUBLE("Synth Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), -CS4231_DOUBLE("Synth Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), -CS4231_DOUBLE("Synth Capture Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), -CS4231_DOUBLE("Synth Capture Bypass", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1), - -CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), -CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), +CS4236_DOUBLE("Capture Boost Volume", 0, + CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1), + +WSS_DOUBLE("PCM Playback Switch", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("PCM Playback Volume", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), + +CS4236_DOUBLE("DSP Playback Switch", 0, + CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1), +CS4236_DOUBLE("DSP Playback Volume", 0, + CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1), + +CS4236_DOUBLE("FM Playback Switch", 0, + CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1), +CS4236_DOUBLE("FM Playback Volume", 0, + CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1), + +CS4236_DOUBLE("Wavetable Playback Switch", 0, + CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), +CS4236_DOUBLE("Wavetable Playback Volume", 0, + CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1), + +WSS_DOUBLE("Synth Playback Switch", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), +WSS_DOUBLE("Synth Volume", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), +WSS_DOUBLE("Synth Capture Switch", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), +WSS_DOUBLE("Synth Capture Bypass", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1), + +CS4236_DOUBLE("Mic Playback Switch", 0, + CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), +CS4236_DOUBLE("Mic Capture Switch", 0, + CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), CS4236_DOUBLE("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 0, 0, 31, 1), -CS4236_DOUBLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0), - -CS4231_DOUBLE("Line Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Line Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), -CS4231_DOUBLE("Line Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), -CS4231_DOUBLE("Line Capture Bypass", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1), - -CS4231_DOUBLE("CD Playback Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("CD Volume", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), -CS4231_DOUBLE("CD Capture Switch", 0, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), - -CS4236_DOUBLE1("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1), -CS4236_DOUBLE1("Mono Playback Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), -CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), -CS4231_SINGLE("Mono Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0), - -CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), -CS4231_DOUBLE("Analog Loopback Capture Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), - -CS4231_SINGLE("Digital Loopback Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0), -CS4236_DOUBLE1("Digital Loopback Playback Volume", 0, CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1) +CS4236_DOUBLE("Mic Playback Boost", 0, + CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0), + +WSS_DOUBLE("Line Playback Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Line Volume", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), +WSS_DOUBLE("Line Capture Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), +WSS_DOUBLE("Line Capture Bypass", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1), + +WSS_DOUBLE("CD Playback Switch", 0, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("CD Volume", 0, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), +WSS_DOUBLE("CD Capture Switch", 0, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), + +CS4236_DOUBLE1("Mono Output Playback Switch", 0, + CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1), +CS4236_DOUBLE1("Mono Playback Switch", 0, + CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), +WSS_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), +WSS_SINGLE("Mono Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0), + +WSS_DOUBLE("Capture Volume", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), +WSS_DOUBLE("Analog Loopback Capture Switch", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), + +WSS_SINGLE("Digital Loopback Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0), +CS4236_DOUBLE1("Digital Loopback Playback Volume", 0, + CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1) }; static struct snd_kcontrol_new snd_cs4235_controls[] = { -CS4231_DOUBLE("Master Switch", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1), -CS4231_DOUBLE("Master Volume", 0, CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1), +WSS_DOUBLE("Master Switch", 0, + CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1), +WSS_DOUBLE("Master Volume", 0, + CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1), CS4235_OUTPUT_ACCU("Playback Volume", 0), -CS4236_DOUBLE("Master Digital Playback Switch", 0, CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1), -CS4236_DOUBLE("Master Digital Capture Switch", 0, CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), +CS4236_DOUBLE("Master Digital Playback Switch", 0, + CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1), +CS4236_DOUBLE("Master Digital Capture Switch", 0, + CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1), CS4236_MASTER_DIGITAL("Master Digital Volume", 0), -CS4231_DOUBLE("Master Digital Playback Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), -CS4231_DOUBLE("Master Digital Capture Switch", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), -CS4231_DOUBLE("Master Digital Volume", 1, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), +WSS_DOUBLE("Master Digital Playback Switch", 1, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), +WSS_DOUBLE("Master Digital Capture Switch", 1, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1), +WSS_DOUBLE("Master Digital Volume", 1, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), -CS4236_DOUBLE("Capture Volume", 0, CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1), +CS4236_DOUBLE("Capture Volume", 0, + CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1), -CS4231_DOUBLE("PCM Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), -CS4231_DOUBLE("PCM Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), +WSS_DOUBLE("PCM Switch", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("PCM Volume", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1), CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1), -CS4236_DOUBLE("Wavetable Switch", 0, CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), +CS4236_DOUBLE("Wavetable Switch", 0, + CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1), -CS4236_DOUBLE("Mic Capture Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), -CS4236_DOUBLE("Mic Playback Switch", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), +CS4236_DOUBLE("Mic Capture Switch", 0, + CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1), +CS4236_DOUBLE("Mic Playback Switch", 0, + CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1), CS4236_SINGLE("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1), CS4236_SINGLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, 5, 1, 0), -CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Aux Capture Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), -CS4231_DOUBLE("Aux Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), - -CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Aux Capture Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), -CS4231_DOUBLE("Aux Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), - -CS4236_DOUBLE1("Master Mono Switch", 0, CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1), - -CS4236_DOUBLE1("Mono Switch", 0, CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), -CS4231_SINGLE("Mono Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), - -CS4231_DOUBLE("Analog Loopback Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), +WSS_DOUBLE("Aux Playback Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Capture Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1), +WSS_DOUBLE("Aux Volume", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), + +WSS_DOUBLE("Aux Playback Switch", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Capture Switch", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1), +WSS_DOUBLE("Aux Volume", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), + +CS4236_DOUBLE1("Master Mono Switch", 0, + CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1), + +CS4236_DOUBLE1("Mono Switch", 0, + CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1), +WSS_SINGLE("Mono Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), + +WSS_DOUBLE("Analog Loopback Switch", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0), }; #define CS4236_IEC958_ENABLE(xname, xindex) \ @@ -813,14 +877,14 @@ CS4231_DOUBLE("Analog Loopback Switch", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0; #if 0 printk("get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n", - snd_cs4231_in(chip, CS4231_ALT_FEATURE_1), + snd_wss_in(chip, CS4231_ALT_FEATURE_1), snd_cs4236_ctrl_in(chip, 3), snd_cs4236_ctrl_in(chip, 4), snd_cs4236_ctrl_in(chip, 5), @@ -833,7 +897,7 @@ static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct sn static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int change; unsigned short enable, val; @@ -841,23 +905,23 @@ static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct sn enable = ucontrol->value.integer.value[0] & 1; mutex_lock(&chip->mce_mutex); - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1); change = val != chip->image[CS4231_ALT_FEATURE_1]; - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, val); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, val); val = snd_cs4236_ctrl_in(chip, 4) | 0xc0; snd_cs4236_ctrl_out(chip, 4, val); udelay(100); val &= ~0x40; snd_cs4236_ctrl_out(chip, 4, val); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); mutex_unlock(&chip->mce_mutex); #if 0 printk("set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n", - snd_cs4231_in(chip, CS4231_ALT_FEATURE_1), + snd_wss_in(chip, CS4231_ALT_FEATURE_1), snd_cs4236_ctrl_in(chip, 3), snd_cs4236_ctrl_in(chip, 4), snd_cs4236_ctrl_in(chip, 5), @@ -896,7 +960,7 @@ CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1), CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0) }; -int snd_cs4236_mixer(struct snd_cs4231 *chip) +int snd_cs4236_mixer(struct snd_wss *chip) { struct snd_card *card; unsigned int idx, count; @@ -905,10 +969,10 @@ int snd_cs4236_mixer(struct snd_cs4231 *chip) snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); card = chip->card; - strcpy(card->mixername, snd_cs4231_chip_id(chip)); + strcpy(card->mixername, snd_wss_chip_id(chip)); - if (chip->hardware == CS4231_HW_CS4235 || - chip->hardware == CS4231_HW_CS4239) { + if (chip->hardware == WSS_HW_CS4235 || + chip->hardware == WSS_HW_CS4239) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0) return err; @@ -920,16 +984,16 @@ int snd_cs4236_mixer(struct snd_cs4231 *chip) } } switch (chip->hardware) { - case CS4231_HW_CS4235: - case CS4231_HW_CS4239: + case WSS_HW_CS4235: + case WSS_HW_CS4239: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235); kcontrol = snd_cs4236_3d_controls_cs4235; break; - case CS4231_HW_CS4237B: + case WSS_HW_CS4237B: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237); kcontrol = snd_cs4236_3d_controls_cs4237; break; - case CS4231_HW_CS4238B: + case WSS_HW_CS4238B: count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238); kcontrol = snd_cs4236_3d_controls_cs4238; break; @@ -941,8 +1005,8 @@ int snd_cs4236_mixer(struct snd_cs4231 *chip) if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0) return err; } - if (chip->hardware == CS4231_HW_CS4237B || - chip->hardware == CS4231_HW_CS4238B) { + if (chip->hardware == WSS_HW_CS4237B || + chip->hardware == WSS_HW_CS4238B) { for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0) return err; diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c index cd82891db80a..f94c1976e632 100644 --- a/sound/isa/gus/gusmax.c +++ b/sound/isa/gus/gusmax.c @@ -75,7 +75,7 @@ struct snd_gusmax { int irq; struct snd_card *card; struct snd_gus_card *gus; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; unsigned short gus_status_reg; unsigned short pcm_status_reg; }; @@ -117,7 +117,7 @@ static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id) } if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ handled = 1; - snd_cs4231_interrupt(irq, maxcard->cs4231); + snd_wss_interrupt(irq, maxcard->wss); loop++; } } while (loop && --max > 0); @@ -140,10 +140,7 @@ static void __devinit snd_gusmax_init(int dev, struct snd_card *card, outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT)); } -#define CS4231_PRIVATE( left, right, shift, mute ) \ - ((left << 24)|(right << 16)|(shift<<8)|mute) - -static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip) +static int __devinit snd_gusmax_mixer(struct snd_wss *chip) { struct snd_card *card = chip->card; struct snd_ctl_elem_id id1, id2; @@ -214,7 +211,7 @@ static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) int xirq, xdma1, xdma2, err; struct snd_card *card; struct snd_gus_card *gus = NULL; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; struct snd_gusmax *maxcard; card = snd_card_new(index[dev], id[dev], THIS_MODULE, @@ -301,33 +298,39 @@ static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) } maxcard->irq = xirq; - if ((err = snd_cs4231_create(card, - gus->gf1.port + 0x10c, -1, xirq, - xdma2 < 0 ? xdma1 : xdma2, xdma1, - CS4231_HW_DETECT, - CS4231_HWSHARE_IRQ | - CS4231_HWSHARE_DMA1 | - CS4231_HWSHARE_DMA2, - &cs4231)) < 0) + err = snd_wss_create(card, + gus->gf1.port + 0x10c, -1, xirq, + xdma2 < 0 ? xdma1 : xdma2, xdma1, + WSS_HW_DETECT, + WSS_HWSHARE_IRQ | + WSS_HWSHARE_DMA1 | + WSS_HWSHARE_DMA2, + &wss); + if (err < 0) goto _err; - if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) + err = snd_wss_pcm(wss, 0, NULL); + if (err < 0) goto _err; - if ((err = snd_cs4231_mixer(cs4231)) < 0) + err = snd_wss_mixer(wss); + if (err < 0) goto _err; - if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) + err = snd_wss_timer(wss, 2, NULL); + if (err < 0) goto _err; if (pcm_channels[dev] > 0) { if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) goto _err; } - if ((err = snd_gusmax_mixer(cs4231)) < 0) + err = snd_gusmax_mixer(wss); + if (err < 0) goto _err; - if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) + err = snd_gf1_rawmidi_new(gus, 0, NULL); + if (err < 0) goto _err; sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); @@ -336,11 +339,12 @@ static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) snd_card_set_dev(card, pdev); - if ((err = snd_card_register(card)) < 0) + err = snd_card_register(card); + if (err < 0) goto _err; maxcard->gus = gus; - maxcard->cs4231 = cs4231; + maxcard->wss = wss; dev_set_drvdata(pdev, card); return 0; diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c index eac8cc77e338..5faecfb602d3 100644 --- a/sound/isa/gus/interwave.c +++ b/sound/isa/gus/interwave.c @@ -118,7 +118,7 @@ struct snd_interwave { int irq; struct snd_card *card; struct snd_gus_card *gus; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; #ifdef SNDRV_STB struct resource *i2c_res; #endif @@ -312,7 +312,7 @@ static irqreturn_t snd_interwave_interrupt(int irq, void *dev_id) } if (inb(iwcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ handled = 1; - snd_cs4231_interrupt(irq, iwcard->cs4231); + snd_wss_interrupt(irq, iwcard->wss); loop++; } } while (loop && --max > 0); @@ -498,13 +498,17 @@ static void __devinit snd_interwave_init(int dev, struct snd_gus_card * gus) } static struct snd_kcontrol_new snd_interwave_controls[] = { -CS4231_DOUBLE("Master Playback Switch", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Master Playback Volume", 0, CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1), -CS4231_DOUBLE("Mic Playback Switch", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Mic Playback Volume", 0, CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1) +WSS_DOUBLE("Master Playback Switch", 0, + CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("Master Playback Volume", 0, + CS4231_LINE_LEFT_OUTPUT, CS4231_LINE_RIGHT_OUTPUT, 0, 0, 31, 1), +WSS_DOUBLE("Mic Playback Switch", 0, + CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Mic Playback Volume", 0, + CS4231_LEFT_MIC_INPUT, CS4231_RIGHT_MIC_INPUT, 0, 0, 31, 1) }; -static int __devinit snd_interwave_mixer(struct snd_cs4231 *chip) +static int __devinit snd_interwave_mixer(struct snd_wss *chip) { struct snd_card *card = chip->card; struct snd_ctl_elem_id id1, id2; @@ -527,10 +531,10 @@ static int __devinit snd_interwave_mixer(struct snd_cs4231 *chip) for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++) if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0) return err; - snd_cs4231_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f); - snd_cs4231_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f); - snd_cs4231_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f); - snd_cs4231_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f); + snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f); + snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f); + snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f); + snd_wss_out(chip, CS4231_RIGHT_MIC_INPUT, 0x9f); /* reassign AUXA to SYNTHESIZER */ strcpy(id1.name, "Aux Playback Switch"); strcpy(id2.name, "Synth Playback Switch"); @@ -642,7 +646,7 @@ static int __devinit snd_interwave_probe(struct snd_card *card, int dev) { int xirq, xdma1, xdma2; struct snd_interwave *iwcard = card->private_data; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; struct snd_gus_card *gus; #ifdef SNDRV_STB struct snd_i2c_bus *i2c_bus; @@ -684,33 +688,39 @@ static int __devinit snd_interwave_probe(struct snd_card *card, int dev) } iwcard->irq = xirq; - if ((err = snd_cs4231_create(card, - gus->gf1.port + 0x10c, -1, xirq, - xdma2 < 0 ? xdma1 : xdma2, xdma1, - CS4231_HW_INTERWAVE, - CS4231_HWSHARE_IRQ | - CS4231_HWSHARE_DMA1 | - CS4231_HWSHARE_DMA2, - &cs4231)) < 0) + err = snd_wss_create(card, + gus->gf1.port + 0x10c, -1, xirq, + xdma2 < 0 ? xdma1 : xdma2, xdma1, + WSS_HW_INTERWAVE, + WSS_HWSHARE_IRQ | + WSS_HWSHARE_DMA1 | + WSS_HWSHARE_DMA2, + &wss); + if (err < 0) return err; - if ((err = snd_cs4231_pcm(cs4231, 0, &pcm)) < 0) + err = snd_wss_pcm(wss, 0, &pcm); + if (err < 0) return err; sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A'); strcat(pcm->name, " (codec)"); - if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) + err = snd_wss_timer(wss, 2, NULL); + if (err < 0) return err; - if ((err = snd_cs4231_mixer(cs4231)) < 0) + err = snd_wss_mixer(wss); + if (err < 0) return err; if (pcm_channels[dev] > 0) { - if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) + err = snd_gf1_pcm_new(gus, 1, 1, NULL); + if (err < 0) return err; } - if ((err = snd_interwave_mixer(cs4231)) < 0) + err = snd_interwave_mixer(wss); + if (err < 0) return err; #ifdef SNDRV_STB @@ -754,10 +764,11 @@ static int __devinit snd_interwave_probe(struct snd_card *card, int dev) if (xdma2 >= 0) sprintf(card->longname + strlen(card->longname), "&%d", xdma2); - if ((err = snd_card_register(card)) < 0) + err = snd_card_register(card); + if (err < 0) return err; - iwcard->cs4231 = cs4231; + iwcard->wss = wss; iwcard->gus = gus; return 0; } diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c index e81cbe86823a..949fee5cd070 100644 --- a/sound/isa/opl3sa2.c +++ b/sound/isa/opl3sa2.c @@ -133,7 +133,7 @@ struct snd_opl3sa2 { spinlock_t reg_lock; struct snd_hwdep *synth; struct snd_rawmidi *rmidi; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; unsigned char ctlregs[0x20]; int ymode; /* SL added */ struct snd_kcontrol *master_switch; @@ -318,7 +318,7 @@ static irqreturn_t snd_opl3sa2_interrupt(int irq, void *dev_id) if (status & 0x07) { /* TI,CI,PI */ handled = 1; - snd_cs4231_interrupt(irq, chip->cs4231); + snd_wss_interrupt(irq, chip->wss); } if (status & 0x40) { /* hardware volume change */ @@ -573,7 +573,7 @@ static int snd_opl3sa2_suspend(struct snd_card *card, pm_message_t state) struct snd_opl3sa2 *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); - chip->cs4231->suspend(chip->cs4231); + chip->wss->suspend(chip->wss); /* power down */ snd_opl3sa2_write(chip, OPL3SA2_PM_CTRL, OPL3SA2_PM_D3); @@ -597,8 +597,8 @@ static int snd_opl3sa2_resume(struct snd_card *card) for (i = 0x12; i <= 0x16; i++) snd_opl3sa2_write(chip, i, chip->ctlregs[i]); } - /* restore cs4231 */ - chip->cs4231->resume(chip->cs4231); + /* restore wss */ + chip->wss->resume(chip->wss); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; @@ -659,7 +659,7 @@ static int __devinit snd_opl3sa2_probe(struct snd_card *card, int dev) { int xirq, xdma1, xdma2; struct snd_opl3sa2 *chip; - struct snd_cs4231 *cs4231; + struct snd_wss *wss; struct snd_opl3 *opl3; int err; @@ -679,23 +679,25 @@ static int __devinit snd_opl3sa2_probe(struct snd_card *card, int dev) return -ENODEV; } chip->irq = xirq; - if ((err = snd_cs4231_create(card, - wss_port[dev] + 4, -1, - xirq, xdma1, xdma2, - CS4231_HW_OPL3SA2, - CS4231_HWSHARE_IRQ, - &cs4231)) < 0) { + err = snd_wss_create(card, + wss_port[dev] + 4, -1, + xirq, xdma1, xdma2, + WSS_HW_OPL3SA2, WSS_HWSHARE_IRQ, &wss); + if (err < 0) { snd_printd("Oops, WSS not detected at 0x%lx\n", wss_port[dev] + 4); return err; } - chip->cs4231 = cs4231; - if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) + chip->wss = wss; + err = snd_wss_pcm(wss, 0, NULL); + if (err < 0) return err; - if ((err = snd_cs4231_mixer(cs4231)) < 0) + err = snd_wss_mixer(wss); + if (err < 0) return err; if ((err = snd_opl3sa2_mixer(chip)) < 0) return err; - if ((err = snd_cs4231_timer(cs4231, 0, NULL)) < 0) + err = snd_wss_timer(wss, 0, NULL); + if (err < 0) return err; if (fm_port[dev] >= 0x340 && fm_port[dev] < 0x400) { if ((err = snd_opl3_create(card, fm_port[dev], diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c index 59f7c55baf30..4641daa7844d 100644 --- a/sound/isa/opti9xx/miro.c +++ b/sound/isa/opti9xx/miro.c @@ -1221,7 +1221,7 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n) int error; struct snd_miro *miro; - struct snd_cs4231 *codec; + struct snd_wss *codec; struct snd_timer *timer; struct snd_card *card; struct snd_pcm *pcm; @@ -1310,29 +1310,32 @@ static int __devinit snd_miro_probe(struct device *devptr, unsigned int n) } } - if ((error = snd_miro_configure(miro))) { + error = snd_miro_configure(miro); + if (error) { snd_card_free(card); return error; } - if ((error = snd_cs4231_create(card, miro->wss_base + 4, -1, - miro->irq, miro->dma1, miro->dma2, - CS4231_HW_AD1845, - 0, - &codec)) < 0) { + error = snd_wss_create(card, miro->wss_base + 4, -1, + miro->irq, miro->dma1, miro->dma2, + WSS_HW_AD1845, 0, &codec); + if (error < 0) { snd_card_free(card); return error; } - if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) { + error = snd_wss_pcm(codec, 0, &pcm); + if (error < 0) { snd_card_free(card); return error; } - if ((error = snd_cs4231_mixer(codec)) < 0) { + error = snd_wss_mixer(codec); + if (error < 0) { snd_card_free(card); return error; } - if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) { + error = snd_wss_timer(codec, 0, &timer); + if (error < 0) { snd_card_free(card); return error; } diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 93a03d9c7a95..fefb8597717c 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -139,7 +139,7 @@ struct snd_opti9xx { unsigned long mc_base_size; #ifdef OPTi93X unsigned long mc_indir_index; - struct snd_cs4231 *codec; + struct snd_wss *codec; #endif /* OPTi93X */ unsigned long pwd_reg; @@ -562,7 +562,7 @@ __skip_mpu: static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id) { - struct snd_cs4231 *codec = dev_id; + struct snd_wss *codec = dev_id; struct snd_opti9xx *chip = codec->card->private_data; unsigned char status; @@ -570,7 +570,7 @@ static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id) if ((status & OPTi93X_IRQ_PLAYBACK) && codec->playback_substream) snd_pcm_period_elapsed(codec->playback_substream); if ((status & OPTi93X_IRQ_CAPTURE) && codec->capture_substream) { - snd_cs4231_overrange(codec); + snd_wss_overrange(codec); snd_pcm_period_elapsed(codec->capture_substream); } outb(0x00, OPTi93X_PORT(codec, STATUS)); @@ -691,7 +691,7 @@ static void snd_card_opti9xx_free(struct snd_card *card) if (chip) { #ifdef OPTi93X - struct snd_cs4231 *codec = chip->codec; + struct snd_wss *codec = chip->codec; if (codec && codec->irq > 0) { disable_irq(codec->irq); free_irq(codec->irq, codec); @@ -707,7 +707,7 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) int error; struct snd_opti9xx *chip = card->private_data; #if defined(CS4231) || defined(OPTi93X) - struct snd_cs4231 *codec; + struct snd_wss *codec; #ifdef CS4231 struct snd_timer *timer; #endif @@ -734,33 +734,39 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) #endif if (chip->wss_base == SNDRV_AUTO_PORT) { - if ((chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4)) < 0) { + chip->wss_base = snd_legacy_find_free_ioport(possible_ports, 4); + if (chip->wss_base < 0) { snd_printk("unable to find a free WSS port\n"); return -EBUSY; } } - if ((error = snd_opti9xx_configure(chip))) + error = snd_opti9xx_configure(chip); + if (error) return error; #if defined(CS4231) || defined(OPTi93X) - if ((error = snd_cs4231_create(card, chip->wss_base + 4, -1, - chip->irq, chip->dma1, chip->dma2, + error = snd_wss_create(card, chip->wss_base + 4, -1, + chip->irq, chip->dma1, chip->dma2, #ifdef CS4231 - CS4231_HW_DETECT, 0, + WSS_HW_DETECT, 0, #else /* OPTi93x */ - CS4231_HW_OPTI93X, CS4231_HWSHARE_IRQ, + WSS_HW_OPTI93X, WSS_HWSHARE_IRQ, #endif - &codec)) < 0) + &codec); + if (error < 0) return error; #ifdef OPTi93X chip->codec = codec; #endif - if ((error = snd_cs4231_pcm(codec, 0, &pcm)) < 0) + error = snd_wss_pcm(codec, 0, &pcm); + if (error < 0) return error; - if ((error = snd_cs4231_mixer(codec)) < 0) + error = snd_wss_mixer(codec); + if (error < 0) return error; #ifdef CS4231 - if ((error = snd_cs4231_timer(codec, 0, &timer)) < 0) + error = snd_wss_timer(codec, 0, &timer); + if (error < 0) return error; #else /* OPTI93X */ error = request_irq(chip->irq, snd_opti93x_interrupt, diff --git a/sound/isa/sscape.c b/sound/isa/sscape.c index 1dc4224b3207..48a16d865834 100644 --- a/sound/isa/sscape.c +++ b/sound/isa/sscape.c @@ -147,7 +147,7 @@ struct soundscape { enum card_type type; struct resource *io_res; struct resource *wss_res; - struct snd_cs4231 *chip; + struct snd_wss *chip; struct snd_mpu401 *mpu; struct snd_hwdep *hw; @@ -726,7 +726,7 @@ static int sscape_midi_info(struct snd_kcontrol *ctl, static int sscape_midi_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *uctl) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kctl); + struct snd_wss *chip = snd_kcontrol_chip(kctl); struct snd_card *card = chip->card; register struct soundscape *s = get_card_soundscape(card); unsigned long flags; @@ -746,7 +746,7 @@ static int sscape_midi_get(struct snd_kcontrol *kctl, static int sscape_midi_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *uctl) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kctl); + struct snd_wss *chip = snd_kcontrol_chip(kctl); struct snd_card *card = chip->card; register struct soundscape *s = get_card_soundscape(card); unsigned long flags; @@ -958,7 +958,9 @@ static int __devinit create_mpu401(struct snd_card *card, int devnum, unsigned l * Override for the CS4231 playback format function. * The AD1845 has much simpler format and rate selection. */ -static void ad1845_playback_format(struct snd_cs4231 * chip, struct snd_pcm_hw_params *params, unsigned char format) +static void ad1845_playback_format(struct snd_wss *chip, + struct snd_pcm_hw_params *params, + unsigned char format) { unsigned long flags; unsigned rate = params_rate(params); @@ -983,9 +985,9 @@ static void ad1845_playback_format(struct snd_cs4231 * chip, struct snd_pcm_hw_p * NOTE: We seem to need to write to the MSB before the LSB * to get the correct sample frequency. */ - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, (format & 0xf0)); - snd_cs4231_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8)); - snd_cs4231_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate); + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, (format & 0xf0)); + snd_wss_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8)); + snd_wss_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } @@ -994,7 +996,9 @@ static void ad1845_playback_format(struct snd_cs4231 * chip, struct snd_pcm_hw_p * Override for the CS4231 capture format function. * The AD1845 has much simpler format and rate selection. */ -static void ad1845_capture_format(struct snd_cs4231 * chip, struct snd_pcm_hw_params *params, unsigned char format) +static void ad1845_capture_format(struct snd_wss *chip, + struct snd_pcm_hw_params *params, + unsigned char format) { unsigned long flags; unsigned rate = params_rate(params); @@ -1019,9 +1023,9 @@ static void ad1845_capture_format(struct snd_cs4231 * chip, struct snd_pcm_hw_pa * NOTE: We seem to need to write to the MSB before the LSB * to get the correct sample frequency. */ - snd_cs4231_out(chip, CS4231_REC_FORMAT, (format & 0xf0)); - snd_cs4231_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8)); - snd_cs4231_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate); + snd_wss_out(chip, CS4231_REC_FORMAT, (format & 0xf0)); + snd_wss_out(chip, AD1845_FREQ_SEL_MSB, (unsigned char) (rate >> 8)); + snd_wss_out(chip, AD1845_FREQ_SEL_LSB, (unsigned char) rate); spin_unlock_irqrestore(&chip->reg_lock, flags); } @@ -1036,7 +1040,7 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port, int irq, int dma1, int dma2) { register struct soundscape *sscape = get_card_soundscape(card); - struct snd_cs4231 *chip; + struct snd_wss *chip; int err; if (sscape->type == SSCAPE_VIVO) @@ -1045,9 +1049,8 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port, if (dma1 == dma2) dma2 = -1; - err = snd_cs4231_create(card, - port, -1, irq, dma1, dma2, - CS4231_HW_DETECT, CS4231_HWSHARE_DMA1, &chip); + err = snd_wss_create(card, port, -1, irq, dma1, dma2, + WSS_HW_DETECT, WSS_HWSHARE_DMA1, &chip); if (!err) { unsigned long flags; struct snd_pcm *pcm; @@ -1063,11 +1066,11 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port, * #define AD1845_IFACE_CONFIG \ (CS4231_AUTOCALIB | CS4231_RECORD_ENABLE | CS4231_PLAYBACK_ENABLE) - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG); + snd_wss_out(chip, CS4231_IFACE_CTRL, AD1845_IFACE_CONFIG); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); */ if (sscape->type != SSCAPE_VIVO) { @@ -1077,11 +1080,11 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port, * be 14.31818 MHz, because we must set this register * to get the playback to sound correct ... */ - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20); + snd_wss_out(chip, AD1845_CRYS_CLOCK_SEL, 0x20); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); /* * More custom configuration: @@ -1089,28 +1092,28 @@ static int __devinit create_ad1845(struct snd_card *card, unsigned port, * b) enable frequency selection (for capture/playback) */ spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_MISC_INFO, - CS4231_MODE2 | 0x10); - val = snd_cs4231_in(chip, AD1845_PWR_DOWN_CTRL); - snd_cs4231_out(chip, AD1845_PWR_DOWN_CTRL, - val | AD1845_FREQ_SEL_ENABLE); + snd_wss_out(chip, CS4231_MISC_INFO, + CS4231_MODE2 | 0x10); + val = snd_wss_in(chip, AD1845_PWR_DOWN_CTRL); + snd_wss_out(chip, AD1845_PWR_DOWN_CTRL, + val | AD1845_FREQ_SEL_ENABLE); spin_unlock_irqrestore(&chip->reg_lock, flags); } - err = snd_cs4231_pcm(chip, 0, &pcm); + err = snd_wss_pcm(chip, 0, &pcm); if (err < 0) { snd_printk(KERN_ERR "sscape: No PCM device " "for AD1845 chip\n"); goto _error; } - err = snd_cs4231_mixer(chip); + err = snd_wss_mixer(chip); if (err < 0) { snd_printk(KERN_ERR "sscape: No mixer device " "for AD1845 chip\n"); goto _error; } - err = snd_cs4231_timer(chip, 0, NULL); + err = snd_wss_timer(chip, 0, NULL); if (err < 0) { snd_printk(KERN_ERR "sscape: No timer device " "for AD1845 chip\n"); diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c index 2fb058b5a45f..4c095bc7c729 100644 --- a/sound/isa/wavefront/wavefront.c +++ b/sound/isa/wavefront/wavefront.c @@ -1,6 +1,6 @@ /* * ALSA card-level driver for Turtle Beach Wavefront cards - * (Maui,Tropez,Tropez+) + * (Maui,Tropez,Tropez+) * * Copyright (c) 1997-1999 by Paul Barton-Davis * @@ -320,8 +320,8 @@ snd_wavefront_new_midi (struct snd_card *card, snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_wavefront_midi_input); rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | - SNDRV_RAWMIDI_INFO_INPUT | - SNDRV_RAWMIDI_INFO_DUPLEX; + SNDRV_RAWMIDI_INFO_INPUT | + SNDRV_RAWMIDI_INFO_DUPLEX; return rmidi; } @@ -364,7 +364,7 @@ static int __devinit snd_wavefront_probe (struct snd_card *card, int dev) { snd_wavefront_card_t *acard = card->private_data; - struct snd_cs4231 *chip; + struct snd_wss *chip; struct snd_hwdep *wavefront_synth; struct snd_rawmidi *ics2115_internal_rmidi = NULL; struct snd_rawmidi *ics2115_external_rmidi = NULL; @@ -373,21 +373,20 @@ snd_wavefront_probe (struct snd_card *card, int dev) /* --------- PCM --------------- */ - if ((err = snd_cs4231_create (card, - cs4232_pcm_port[dev], - -1, - cs4232_pcm_irq[dev], - dma1[dev], - dma2[dev], - CS4231_HW_DETECT, 0, &chip)) < 0) { - snd_printk (KERN_ERR "can't allocate CS4231 device\n"); + err = snd_wss_create(card, cs4232_pcm_port[dev], -1, + cs4232_pcm_irq[dev], dma1[dev], dma2[dev], + WSS_HW_DETECT, 0, &chip); + if (err < 0) { + snd_printk(KERN_ERR "can't allocate WSS device\n"); return err; } - if ((err = snd_cs4231_pcm (chip, 0, NULL)) < 0) + err = snd_wss_pcm(chip, 0, NULL); + if (err < 0) return err; - if ((err = snd_cs4231_timer (chip, 0, NULL)) < 0) + err = snd_wss_timer(chip, 0, NULL); + if (err < 0) return err; /* ---------- OPL3 synth --------- */ @@ -395,24 +394,24 @@ snd_wavefront_probe (struct snd_card *card, int dev) if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) { struct snd_opl3 *opl3; - if ((err = snd_opl3_create(card, - fm_port[dev], - fm_port[dev] + 2, - OPL3_HW_OPL3_CS, - 0, &opl3)) < 0) { + err = snd_opl3_create(card, fm_port[dev], fm_port[dev] + 2, + OPL3_HW_OPL3_CS, 0, &opl3); + if (err < 0) { snd_printk (KERN_ERR "can't allocate or detect OPL3 synth\n"); return err; } - if ((err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL)) < 0) + err = snd_opl3_hwdep_new(opl3, hw_dev, 1, NULL); + if (err < 0) return err; hw_dev++; } /* ------- ICS2115 Wavetable synth ------- */ - if ((acard->wavefront.res_base = request_region(ics2115_port[dev], 16, - "ICS2115")) == NULL) { + acard->wavefront.res_base = request_region(ics2115_port[dev], 16, + "ICS2115"); + if (acard->wavefront.res_base == NULL) { snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n", ics2115_port[dev], ics2115_port[dev] + 16 - 1); return -EBUSY; @@ -426,7 +425,8 @@ snd_wavefront_probe (struct snd_card *card, int dev) acard->wavefront.irq = ics2115_irq[dev]; acard->wavefront.base = ics2115_port[dev]; - if ((wavefront_synth = snd_wavefront_new_synth (card, hw_dev, acard)) == NULL) { + wavefront_synth = snd_wavefront_new_synth(card, hw_dev, acard); + if (wavefront_synth == NULL) { snd_printk (KERN_ERR "can't create WaveFront synth device\n"); return -ENOMEM; } @@ -437,7 +437,8 @@ snd_wavefront_probe (struct snd_card *card, int dev) /* --------- Mixer ------------ */ - if ((err = snd_cs4231_mixer(chip)) < 0) { + err = snd_wss_mixer(chip); + if (err < 0) { snd_printk (KERN_ERR "can't allocate mixer device\n"); return err; } @@ -445,11 +446,11 @@ snd_wavefront_probe (struct snd_card *card, int dev) /* -------- CS4232 MPU-401 interface -------- */ if (cs4232_mpu_port[dev] > 0 && cs4232_mpu_port[dev] != SNDRV_AUTO_PORT) { - if ((err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232, - cs4232_mpu_port[dev], 0, - cs4232_mpu_irq[dev], - IRQF_DISABLED, - NULL)) < 0) { + err = snd_mpu401_uart_new(card, midi_dev, MPU401_HW_CS4232, + cs4232_mpu_port[dev], 0, + cs4232_mpu_irq[dev], IRQF_DISABLED, + NULL); + if (err < 0) { snd_printk (KERN_ERR "can't allocate CS4232 MPU-401 device\n"); return err; } @@ -602,7 +603,7 @@ static struct isa_driver snd_wavefront_driver = { #ifdef CONFIG_PNP static int __devinit snd_wavefront_pnp_detect(struct pnp_card_link *pcard, - const struct pnp_card_device_id *pid) + const struct pnp_card_device_id *pid) { static int dev; struct snd_card *card; diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 549e6ab34b03..a982997805c4 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -6,7 +6,7 @@ * - sometimes record brokes playback with WSS portion of * Yamaha OPL3-SA3 chip * - CS4231 (GUS MAX) - still trouble with occasional noises - * - broken initialization? + * - broken initialization? * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -78,12 +78,13 @@ static struct snd_pcm_hw_constraint_list hw_constraints_rates = { .mask = 0, }; -static int snd_cs4231_xrate(struct snd_pcm_runtime *runtime) +static int snd_wss_xrate(struct snd_pcm_runtime *runtime) { - return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); + return snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + &hw_constraints_rates); } -static unsigned char snd_cs4231_original_image[32] = +static unsigned char snd_wss_original_image[32] = { 0x00, /* 00/00 - lic */ 0x00, /* 01/01 - ric */ @@ -159,150 +160,209 @@ static unsigned char snd_opti93x_original_image[32] = * Basic I/O functions */ -static inline void cs4231_outb(struct snd_cs4231 *chip, u8 offset, u8 val) +static inline void wss_outb(struct snd_wss *chip, u8 offset, u8 val) { outb(val, chip->port + offset); } -static inline u8 cs4231_inb(struct snd_cs4231 *chip, u8 offset) +static inline u8 wss_inb(struct snd_wss *chip, u8 offset) { return inb(chip->port + offset); } -static void snd_cs4231_wait(struct snd_cs4231 *chip) +static void snd_wss_wait(struct snd_wss *chip) { int timeout; for (timeout = 250; - timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); + timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) udelay(100); } -static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg, +static void snd_wss_outm(struct snd_wss *chip, unsigned char reg, unsigned char mask, unsigned char value) { unsigned char tmp = (chip->image[reg] & mask) | value; - snd_cs4231_wait(chip); + snd_wss_wait(chip); #ifdef CONFIG_SND_DEBUG - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); #endif chip->image[reg] = tmp; if (!chip->calibrate_mute) { - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); wmb(); - cs4231_outb(chip, CS4231P(REG), tmp); + wss_outb(chip, CS4231P(REG), tmp); mb(); } } -static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) +static void snd_wss_dout(struct snd_wss *chip, unsigned char reg, + unsigned char value) { int timeout; for (timeout = 250; - timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); + timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) udelay(10); - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); - cs4231_outb(chip, CS4231P(REG), value); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); + wss_outb(chip, CS4231P(REG), value); mb(); } -void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char value) +void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char value) { - snd_cs4231_wait(chip); + snd_wss_wait(chip); #ifdef CONFIG_SND_DEBUG - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) snd_printk("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value); #endif - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); - cs4231_outb(chip, CS4231P(REG), value); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); + wss_outb(chip, CS4231P(REG), value); chip->image[reg] = value; mb(); snd_printdd("codec out - reg 0x%x = 0x%x\n", chip->mce_bit | reg, value); } +EXPORT_SYMBOL(snd_wss_out); -unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg) +unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg) { - snd_cs4231_wait(chip); + snd_wss_wait(chip); #ifdef CONFIG_SND_DEBUG - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) snd_printk("in: auto calibration time out - reg = 0x%x\n", reg); #endif - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | reg); mb(); - return cs4231_inb(chip, CS4231P(REG)); + return wss_inb(chip, CS4231P(REG)); } +EXPORT_SYMBOL(snd_wss_in); -void snd_cs4236_ext_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char val) +void snd_cs4236_ext_out(struct snd_wss *chip, unsigned char reg, + unsigned char val) { - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); - cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01)); - cs4231_outb(chip, CS4231P(REG), val); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); + wss_outb(chip, CS4231P(REG), + reg | (chip->image[CS4236_EXT_REG] & 0x01)); + wss_outb(chip, CS4231P(REG), val); chip->eimage[CS4236_REG(reg)] = val; #if 0 printk("ext out : reg = 0x%x, val = 0x%x\n", reg, val); #endif } +EXPORT_SYMBOL(snd_cs4236_ext_out); -unsigned char snd_cs4236_ext_in(struct snd_cs4231 *chip, unsigned char reg) +unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg) { - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); - cs4231_outb(chip, CS4231P(REG), reg | (chip->image[CS4236_EXT_REG] & 0x01)); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | 0x17); + wss_outb(chip, CS4231P(REG), + reg | (chip->image[CS4236_EXT_REG] & 0x01)); #if 1 - return cs4231_inb(chip, CS4231P(REG)); + return wss_inb(chip, CS4231P(REG)); #else { unsigned char res; - res = cs4231_inb(chip, CS4231P(REG)); + res = wss_inb(chip, CS4231P(REG)); printk("ext in : reg = 0x%x, val = 0x%x\n", reg, res); return res; } #endif } +EXPORT_SYMBOL(snd_cs4236_ext_in); #if 0 -static void snd_cs4231_debug(struct snd_cs4231 *chip) -{ - printk("CS4231 REGS: INDEX = 0x%02x ", cs4231_inb(chip, CS4231P(REGSEL))); - printk(" STATUS = 0x%02x\n", cs4231_inb(chip, CS4231P(STATUS))); - printk(" 0x00: left input = 0x%02x ", snd_cs4231_in(chip, 0x00)); - printk(" 0x10: alt 1 (CFIG 2) = 0x%02x\n", snd_cs4231_in(chip, 0x10)); - printk(" 0x01: right input = 0x%02x ", snd_cs4231_in(chip, 0x01)); - printk(" 0x11: alt 2 (CFIG 3) = 0x%02x\n", snd_cs4231_in(chip, 0x11)); - printk(" 0x02: GF1 left input = 0x%02x ", snd_cs4231_in(chip, 0x02)); - printk(" 0x12: left line in = 0x%02x\n", snd_cs4231_in(chip, 0x12)); - printk(" 0x03: GF1 right input = 0x%02x ", snd_cs4231_in(chip, 0x03)); - printk(" 0x13: right line in = 0x%02x\n", snd_cs4231_in(chip, 0x13)); - printk(" 0x04: CD left input = 0x%02x ", snd_cs4231_in(chip, 0x04)); - printk(" 0x14: timer low = 0x%02x\n", snd_cs4231_in(chip, 0x14)); - printk(" 0x05: CD right input = 0x%02x ", snd_cs4231_in(chip, 0x05)); - printk(" 0x15: timer high = 0x%02x\n", snd_cs4231_in(chip, 0x15)); - printk(" 0x06: left output = 0x%02x ", snd_cs4231_in(chip, 0x06)); - printk(" 0x16: left MIC (PnP) = 0x%02x\n", snd_cs4231_in(chip, 0x16)); - printk(" 0x07: right output = 0x%02x ", snd_cs4231_in(chip, 0x07)); - printk(" 0x17: right MIC (PnP) = 0x%02x\n", snd_cs4231_in(chip, 0x17)); - printk(" 0x08: playback format = 0x%02x ", snd_cs4231_in(chip, 0x08)); - printk(" 0x18: IRQ status = 0x%02x\n", snd_cs4231_in(chip, 0x18)); - printk(" 0x09: iface (CFIG 1) = 0x%02x ", snd_cs4231_in(chip, 0x09)); - printk(" 0x19: left line out = 0x%02x\n", snd_cs4231_in(chip, 0x19)); - printk(" 0x0a: pin control = 0x%02x ", snd_cs4231_in(chip, 0x0a)); - printk(" 0x1a: mono control = 0x%02x\n", snd_cs4231_in(chip, 0x1a)); - printk(" 0x0b: init & status = 0x%02x ", snd_cs4231_in(chip, 0x0b)); - printk(" 0x1b: right line out = 0x%02x\n", snd_cs4231_in(chip, 0x1b)); - printk(" 0x0c: revision & mode = 0x%02x ", snd_cs4231_in(chip, 0x0c)); - printk(" 0x1c: record format = 0x%02x\n", snd_cs4231_in(chip, 0x1c)); - printk(" 0x0d: loopback = 0x%02x ", snd_cs4231_in(chip, 0x0d)); - printk(" 0x1d: var freq (PnP) = 0x%02x\n", snd_cs4231_in(chip, 0x1d)); - printk(" 0x0e: ply upr count = 0x%02x ", snd_cs4231_in(chip, 0x0e)); - printk(" 0x1e: ply lwr count = 0x%02x\n", snd_cs4231_in(chip, 0x1e)); - printk(" 0x0f: rec upr count = 0x%02x ", snd_cs4231_in(chip, 0x0f)); - printk(" 0x1f: rec lwr count = 0x%02x\n", snd_cs4231_in(chip, 0x1f)); +static void snd_wss_debug(struct snd_wss *chip) +{ + printk(KERN_DEBUG + "CS4231 REGS: INDEX = 0x%02x " + " STATUS = 0x%02x\n", + wss_inb(chip, CS4231P(REGSEL), + wss_inb(chip, CS4231P(STATUS))); + printk(KERN_DEBUG + " 0x00: left input = 0x%02x " + " 0x10: alt 1 (CFIG 2) = 0x%02x\n", + snd_wss_in(chip, 0x00), + snd_wss_in(chip, 0x10)); + printk(KERN_DEBUG + " 0x01: right input = 0x%02x " + " 0x11: alt 2 (CFIG 3) = 0x%02x\n", + snd_wss_in(chip, 0x01), + snd_wss_in(chip, 0x11)); + printk(KERN_DEBUG + " 0x02: GF1 left input = 0x%02x " + " 0x12: left line in = 0x%02x\n", + snd_wss_in(chip, 0x02), + snd_wss_in(chip, 0x12)); + printk(KERN_DEBUG + " 0x03: GF1 right input = 0x%02x " + " 0x13: right line in = 0x%02x\n", + snd_wss_in(chip, 0x03), + snd_wss_in(chip, 0x13)); + printk(KERN_DEBUG + " 0x04: CD left input = 0x%02x " + " 0x14: timer low = 0x%02x\n", + snd_wss_in(chip, 0x04), + snd_wss_in(chip, 0x14)); + printk(KERN_DEBUG + " 0x05: CD right input = 0x%02x " + " 0x15: timer high = 0x%02x\n", + snd_wss_in(chip, 0x05), + snd_wss_in(chip, 0x15)); + printk(KERN_DEBUG + " 0x06: left output = 0x%02x " + " 0x16: left MIC (PnP) = 0x%02x\n", + snd_wss_in(chip, 0x06), + snd_wss_in(chip, 0x16)); + printk(KERN_DEBUG + " 0x07: right output = 0x%02x " + " 0x17: right MIC (PnP) = 0x%02x\n", + snd_wss_in(chip, 0x07), + snd_wss_in(chip, 0x17)); + printk(KERN_DEBUG + " 0x08: playback format = 0x%02x " + " 0x18: IRQ status = 0x%02x\n", + snd_wss_in(chip, 0x08), + snd_wss_in(chip, 0x18)); + printk(KERN_DEBUG + " 0x09: iface (CFIG 1) = 0x%02x " + " 0x19: left line out = 0x%02x\n", + snd_wss_in(chip, 0x09), + snd_wss_in(chip, 0x19)); + printk(KERN_DEBUG + " 0x0a: pin control = 0x%02x " + " 0x1a: mono control = 0x%02x\n", + snd_wss_in(chip, 0x0a), + snd_wss_in(chip, 0x1a)); + printk(KERN_DEBUG + " 0x0b: init & status = 0x%02x " + " 0x1b: right line out = 0x%02x\n", + snd_wss_in(chip, 0x0b), + snd_wss_in(chip, 0x1b)); + printk(KERN_DEBUG + " 0x0c: revision & mode = 0x%02x " + " 0x1c: record format = 0x%02x\n", + snd_wss_in(chip, 0x0c), + snd_wss_in(chip, 0x1c)); + printk(KERN_DEBUG + " 0x0d: loopback = 0x%02x " + " 0x1d: var freq (PnP) = 0x%02x\n", + snd_wss_in(chip, 0x0d), + snd_wss_in(chip, 0x1d)); + printk(KERN_DEBUG + " 0x0e: ply upr count = 0x%02x " + " 0x1e: ply lwr count = 0x%02x\n", + snd_wss_in(chip, 0x0e), + snd_wss_in(chip, 0x1e)); + printk(KERN_DEBUG + " 0x0f: rec upr count = 0x%02x " + " 0x1f: rec lwr count = 0x%02x\n", + snd_wss_in(chip, 0x0f), + snd_wss_in(chip, 0x1f)); } #endif @@ -311,61 +371,63 @@ static void snd_cs4231_debug(struct snd_cs4231 *chip) * CS4231 detection / MCE routines */ -static void snd_cs4231_busy_wait(struct snd_cs4231 *chip) +static void snd_wss_busy_wait(struct snd_wss *chip) { int timeout; /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */ for (timeout = 5; timeout > 0; timeout--) - cs4231_inb(chip, CS4231P(REGSEL)); + wss_inb(chip, CS4231P(REGSEL)); /* end of cleanup sequence */ for (timeout = 250; - timeout > 0 && (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); + timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) udelay(10); } -void snd_cs4231_mce_up(struct snd_cs4231 *chip) +void snd_wss_mce_up(struct snd_wss *chip) { unsigned long flags; int timeout; - snd_cs4231_wait(chip); + snd_wss_wait(chip); #ifdef CONFIG_SND_DEBUG - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) snd_printk("mce_up - auto calibration time out (0)\n"); #endif spin_lock_irqsave(&chip->reg_lock, flags); chip->mce_bit |= CS4231_MCE; - timeout = cs4231_inb(chip, CS4231P(REGSEL)); + timeout = wss_inb(chip, CS4231P(REGSEL)); if (timeout == 0x80) snd_printk("mce_up [0x%lx]: serious init problem - codec still busy\n", chip->port); if (!(timeout & CS4231_MCE)) - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); + wss_outb(chip, CS4231P(REGSEL), + chip->mce_bit | (timeout & 0x1f)); spin_unlock_irqrestore(&chip->reg_lock, flags); } +EXPORT_SYMBOL(snd_wss_mce_up); -void snd_cs4231_mce_down(struct snd_cs4231 *chip) +void snd_wss_mce_down(struct snd_wss *chip) { unsigned long flags; unsigned long end_time; int timeout; - snd_cs4231_busy_wait(chip); + snd_wss_busy_wait(chip); #ifdef CONFIG_SND_DEBUG - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) snd_printk("mce_down [0x%lx] - auto calibration time out (0)\n", (long)CS4231P(REGSEL)); #endif spin_lock_irqsave(&chip->reg_lock, flags); chip->mce_bit &= ~CS4231_MCE; - timeout = cs4231_inb(chip, CS4231P(REGSEL)); - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); + timeout = wss_inb(chip, CS4231P(REGSEL)); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); spin_unlock_irqrestore(&chip->reg_lock, flags); if (timeout == 0x80) snd_printk("mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port); if ((timeout & CS4231_MCE) == 0 || - !(chip->hardware & (CS4231_HW_CS4231_MASK | CS4231_HW_CS4232_MASK))) { + !(chip->hardware & (WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK))) { return; } @@ -380,7 +442,7 @@ void snd_cs4231_mce_down(struct snd_cs4231 *chip) /* check condition up to 250 ms */ end_time = jiffies + msecs_to_jiffies(250); - while (snd_cs4231_in(chip, CS4231_TEST_INIT) & + while (snd_wss_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) { if (time_after(jiffies, end_time)) { @@ -395,7 +457,7 @@ void snd_cs4231_mce_down(struct snd_cs4231 *chip) /* check condition up to 100 ms */ end_time = jiffies + msecs_to_jiffies(100); - while (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { + while (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { if (time_after(jiffies, end_time)) { snd_printk(KERN_ERR "mce_down - auto calibration time out (3)\n"); return; @@ -404,10 +466,11 @@ void snd_cs4231_mce_down(struct snd_cs4231 *chip) } snd_printdd("(3) jiffies = %lu\n", jiffies); - snd_printd("mce_down - exit = 0x%x\n", cs4231_inb(chip, CS4231P(REGSEL))); + snd_printd("mce_down - exit = 0x%x\n", wss_inb(chip, CS4231P(REGSEL))); } +EXPORT_SYMBOL(snd_wss_mce_down); -static unsigned int snd_cs4231_get_count(unsigned char format, unsigned int size) +static unsigned int snd_wss_get_count(unsigned char format, unsigned int size) { switch (format & 0xe0) { case CS4231_LINEAR_16: @@ -422,19 +485,15 @@ static unsigned int snd_cs4231_get_count(unsigned char format, unsigned int size return size; } -static int snd_cs4231_trigger(struct snd_pcm_substream *substream, - int cmd) +static int snd_wss_trigger(struct snd_pcm_substream *substream, + int cmd) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); int result = 0; unsigned int what; struct snd_pcm_substream *s; int do_start; -#if 0 - printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, cs4231_inb(chip, CS4231P(STATUS))); -#endif - switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: @@ -466,10 +525,10 @@ static int snd_cs4231_trigger(struct snd_pcm_substream *substream, if (chip->trigger) chip->trigger(chip, what, 0); } - snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); + snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); spin_unlock(&chip->reg_lock); #if 0 - snd_cs4231_debug(chip); + snd_wss_debug(chip); #endif return result; } @@ -478,7 +537,7 @@ static int snd_cs4231_trigger(struct snd_pcm_substream *substream, * CODEC I/O */ -static unsigned char snd_cs4231_get_rate(unsigned int rate) +static unsigned char snd_wss_get_rate(unsigned int rate) { int i; @@ -489,9 +548,9 @@ static unsigned char snd_cs4231_get_rate(unsigned int rate) return freq_bits[ARRAY_SIZE(rates) - 1]; } -static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, - int format, - int channels) +static unsigned char snd_wss_get_format(struct snd_wss *chip, + int format, + int channels) { unsigned char rformat; @@ -511,7 +570,7 @@ static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, return rformat; } -static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute) +static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute) { unsigned long flags; @@ -522,30 +581,46 @@ static void snd_cs4231_calibrate_mute(struct snd_cs4231 *chip, int mute) return; } if (!mute) { - snd_cs4231_dout(chip, CS4231_LEFT_INPUT, chip->image[CS4231_LEFT_INPUT]); - snd_cs4231_dout(chip, CS4231_RIGHT_INPUT, chip->image[CS4231_RIGHT_INPUT]); - snd_cs4231_dout(chip, CS4231_LOOPBACK, chip->image[CS4231_LOOPBACK]); + snd_wss_dout(chip, CS4231_LEFT_INPUT, + chip->image[CS4231_LEFT_INPUT]); + snd_wss_dout(chip, CS4231_RIGHT_INPUT, + chip->image[CS4231_RIGHT_INPUT]); + snd_wss_dout(chip, CS4231_LOOPBACK, + chip->image[CS4231_LOOPBACK]); } - snd_cs4231_dout(chip, CS4231_AUX1_LEFT_INPUT, mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]); - snd_cs4231_dout(chip, CS4231_AUX1_RIGHT_INPUT, mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]); - snd_cs4231_dout(chip, CS4231_AUX2_LEFT_INPUT, mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]); - snd_cs4231_dout(chip, CS4231_AUX2_RIGHT_INPUT, mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]); - snd_cs4231_dout(chip, CS4231_LEFT_OUTPUT, mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]); - snd_cs4231_dout(chip, CS4231_RIGHT_OUTPUT, mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]); - snd_cs4231_dout(chip, CS4231_LEFT_LINE_IN, mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); - snd_cs4231_dout(chip, CS4231_RIGHT_LINE_IN, mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); - snd_cs4231_dout(chip, CS4231_MONO_CTRL, mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); - if (chip->hardware == CS4231_HW_INTERWAVE) { - snd_cs4231_dout(chip, CS4231_LEFT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]); - snd_cs4231_dout(chip, CS4231_RIGHT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]); - snd_cs4231_dout(chip, CS4231_LINE_LEFT_OUTPUT, mute ? 0x80 : chip->image[CS4231_LINE_LEFT_OUTPUT]); - snd_cs4231_dout(chip, CS4231_LINE_RIGHT_OUTPUT, mute ? 0x80 : chip->image[CS4231_LINE_RIGHT_OUTPUT]); + snd_wss_dout(chip, CS4231_AUX1_LEFT_INPUT, + mute ? 0x80 : chip->image[CS4231_AUX1_LEFT_INPUT]); + snd_wss_dout(chip, CS4231_AUX1_RIGHT_INPUT, + mute ? 0x80 : chip->image[CS4231_AUX1_RIGHT_INPUT]); + snd_wss_dout(chip, CS4231_AUX2_LEFT_INPUT, + mute ? 0x80 : chip->image[CS4231_AUX2_LEFT_INPUT]); + snd_wss_dout(chip, CS4231_AUX2_RIGHT_INPUT, + mute ? 0x80 : chip->image[CS4231_AUX2_RIGHT_INPUT]); + snd_wss_dout(chip, CS4231_LEFT_OUTPUT, + mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]); + snd_wss_dout(chip, CS4231_RIGHT_OUTPUT, + mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]); + snd_wss_dout(chip, CS4231_LEFT_LINE_IN, + mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); + snd_wss_dout(chip, CS4231_RIGHT_LINE_IN, + mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); + snd_wss_dout(chip, CS4231_MONO_CTRL, + mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); + if (chip->hardware == WSS_HW_INTERWAVE) { + snd_wss_dout(chip, CS4231_LEFT_MIC_INPUT, + mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]); + snd_wss_dout(chip, CS4231_RIGHT_MIC_INPUT, + mute ? 0x80 : chip->image[CS4231_RIGHT_MIC_INPUT]); + snd_wss_dout(chip, CS4231_LINE_LEFT_OUTPUT, + mute ? 0x80 : chip->image[CS4231_LINE_LEFT_OUTPUT]); + snd_wss_dout(chip, CS4231_LINE_RIGHT_OUTPUT, + mute ? 0x80 : chip->image[CS4231_LINE_RIGHT_OUTPUT]); } chip->calibrate_mute = mute; spin_unlock_irqrestore(&chip->reg_lock, flags); } -static void snd_cs4231_playback_format(struct snd_cs4231 *chip, +static void snd_wss_playback_format(struct snd_wss *chip, struct snd_pcm_hw_params *params, unsigned char pdfr) { @@ -553,79 +628,88 @@ static void snd_cs4231_playback_format(struct snd_cs4231 *chip, int full_calib = 1; mutex_lock(&chip->mce_mutex); - snd_cs4231_calibrate_mute(chip, 1); - if (chip->hardware == CS4231_HW_CS4231A || - (chip->hardware & CS4231_HW_CS4232_MASK)) { + snd_wss_calibrate_mute(chip, 1); + if (chip->hardware == WSS_HW_CS4231A || + (chip->hardware & WSS_HW_CS4232_MASK)) { spin_lock_irqsave(&chip->reg_lock, flags); if ((chip->image[CS4231_PLAYBK_FORMAT] & 0x0f) == (pdfr & 0x0f)) { /* rate is same? */ - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x10); - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT] = pdfr); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] &= ~0x10); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] | 0x10); + chip->image[CS4231_PLAYBK_FORMAT] = pdfr; + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, + chip->image[CS4231_PLAYBK_FORMAT]); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] &= ~0x10); udelay(100); /* Fixes audible clicks at least on GUS MAX */ full_calib = 0; } spin_unlock_irqrestore(&chip->reg_lock, flags); } if (full_calib) { - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - if (chip->hardware != CS4231_HW_INTERWAVE && !chip->single_dma) { - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, - (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) ? - (pdfr & 0xf0) | (chip->image[CS4231_REC_FORMAT] & 0x0f) : - pdfr); + if (chip->hardware != WSS_HW_INTERWAVE && !chip->single_dma) { + if (chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE) + pdfr = (pdfr & 0xf0) | + (chip->image[CS4231_REC_FORMAT] & 0x0f); } else { - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT] = pdfr); + chip->image[CS4231_PLAYBK_FORMAT] = pdfr; } + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr); spin_unlock_irqrestore(&chip->reg_lock, flags); - if (chip->hardware == CS4231_HW_OPL3SA2) + if (chip->hardware == WSS_HW_OPL3SA2) udelay(100); /* this seems to help */ - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); } - snd_cs4231_calibrate_mute(chip, 0); + snd_wss_calibrate_mute(chip, 0); mutex_unlock(&chip->mce_mutex); } -static void snd_cs4231_capture_format(struct snd_cs4231 *chip, - struct snd_pcm_hw_params *params, - unsigned char cdfr) +static void snd_wss_capture_format(struct snd_wss *chip, + struct snd_pcm_hw_params *params, + unsigned char cdfr) { unsigned long flags; int full_calib = 1; mutex_lock(&chip->mce_mutex); - snd_cs4231_calibrate_mute(chip, 1); - if (chip->hardware == CS4231_HW_CS4231A || - (chip->hardware & CS4231_HW_CS4232_MASK)) { + snd_wss_calibrate_mute(chip, 1); + if (chip->hardware == WSS_HW_CS4231A || + (chip->hardware & WSS_HW_CS4232_MASK)) { spin_lock_irqsave(&chip->reg_lock, flags); if ((chip->image[CS4231_PLAYBK_FORMAT] & 0x0f) == (cdfr & 0x0f) || /* rate is same? */ (chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | 0x20); - snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT] = cdfr); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] &= ~0x20); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] | 0x20); + snd_wss_out(chip, CS4231_REC_FORMAT, + chip->image[CS4231_REC_FORMAT] = cdfr); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] &= ~0x20); full_calib = 0; } spin_unlock_irqrestore(&chip->reg_lock, flags); } if (full_calib) { - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - if (chip->hardware != CS4231_HW_INTERWAVE) { - if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, - ((chip->single_dma ? cdfr : chip->image[CS4231_PLAYBK_FORMAT]) & 0xf0) | - (cdfr & 0x0f)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); - snd_cs4231_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - } + if (chip->hardware != WSS_HW_INTERWAVE && + !(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) { + if (chip->single_dma) + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, cdfr); + else + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, + (chip->image[CS4231_PLAYBK_FORMAT] & 0xf0) | + (cdfr & 0x0f)); + spin_unlock_irqrestore(&chip->reg_lock, flags); + snd_wss_mce_down(chip); + snd_wss_mce_up(chip); + spin_lock_irqsave(&chip->reg_lock, flags); } - snd_cs4231_out(chip, CS4231_REC_FORMAT, cdfr); + snd_wss_out(chip, CS4231_REC_FORMAT, cdfr); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); } - snd_cs4231_calibrate_mute(chip, 0); + snd_wss_calibrate_mute(chip, 0); mutex_unlock(&chip->mce_mutex); } @@ -633,130 +717,146 @@ static void snd_cs4231_capture_format(struct snd_cs4231 *chip, * Timer interface */ -static unsigned long snd_cs4231_timer_resolution(struct snd_timer * timer) +static unsigned long snd_wss_timer_resolution(struct snd_timer *timer) { - struct snd_cs4231 *chip = snd_timer_chip(timer); - if (chip->hardware & CS4231_HW_CS4236B_MASK) + struct snd_wss *chip = snd_timer_chip(timer); + if (chip->hardware & WSS_HW_CS4236B_MASK) return 14467; else return chip->image[CS4231_PLAYBK_FORMAT] & 1 ? 9969 : 9920; } -static int snd_cs4231_timer_start(struct snd_timer * timer) +static int snd_wss_timer_start(struct snd_timer *timer) { unsigned long flags; unsigned int ticks; - struct snd_cs4231 *chip = snd_timer_chip(timer); + struct snd_wss *chip = snd_timer_chip(timer); spin_lock_irqsave(&chip->reg_lock, flags); ticks = timer->sticks; if ((chip->image[CS4231_ALT_FEATURE_1] & CS4231_TIMER_ENABLE) == 0 || (unsigned char)(ticks >> 8) != chip->image[CS4231_TIMER_HIGH] || (unsigned char)ticks != chip->image[CS4231_TIMER_LOW]) { - snd_cs4231_out(chip, CS4231_TIMER_HIGH, chip->image[CS4231_TIMER_HIGH] = (unsigned char) (ticks >> 8)); - snd_cs4231_out(chip, CS4231_TIMER_LOW, chip->image[CS4231_TIMER_LOW] = (unsigned char) ticks); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] | CS4231_TIMER_ENABLE); + chip->image[CS4231_TIMER_HIGH] = (unsigned char) (ticks >> 8); + snd_wss_out(chip, CS4231_TIMER_HIGH, + chip->image[CS4231_TIMER_HIGH]); + chip->image[CS4231_TIMER_LOW] = (unsigned char) ticks; + snd_wss_out(chip, CS4231_TIMER_LOW, + chip->image[CS4231_TIMER_LOW]); + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1] | + CS4231_TIMER_ENABLE); } spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } -static int snd_cs4231_timer_stop(struct snd_timer * timer) +static int snd_wss_timer_stop(struct snd_timer *timer) { unsigned long flags; - struct snd_cs4231 *chip = snd_timer_chip(timer); + struct snd_wss *chip = snd_timer_chip(timer); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE); + chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE; + snd_wss_out(chip, CS4231_ALT_FEATURE_1, + chip->image[CS4231_ALT_FEATURE_1]); spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } -static void snd_cs4231_init(struct snd_cs4231 *chip) +static void snd_wss_init(struct snd_wss *chip) { unsigned long flags; - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #ifdef SNDRV_DEBUG_MCE snd_printk("init: (1)\n"); #endif - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | - CS4231_RECORD_ENABLE | CS4231_RECORD_PIO | - CS4231_CALIB_MODE); + chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | + CS4231_PLAYBACK_PIO | + CS4231_RECORD_ENABLE | + CS4231_RECORD_PIO | + CS4231_CALIB_MODE); chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB; - snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); + snd_wss_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #ifdef SNDRV_DEBUG_MCE snd_printk("init: (2)\n"); #endif - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]); + snd_wss_out(chip, + CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #ifdef SNDRV_DEBUG_MCE - snd_printk("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]); + snd_printk("init: (3) - afei = 0x%x\n", + chip->image[CS4231_ALT_FEATURE_1]); #endif spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_ALT_FEATURE_2, chip->image[CS4231_ALT_FEATURE_2]); + snd_wss_out(chip, CS4231_ALT_FEATURE_2, + chip->image[CS4231_ALT_FEATURE_2]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT]); + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, + chip->image[CS4231_PLAYBK_FORMAT]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #ifdef SNDRV_DEBUG_MCE snd_printk("init: (4)\n"); #endif - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]); + snd_wss_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #ifdef SNDRV_DEBUG_MCE snd_printk("init: (5)\n"); #endif } -static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode) +static int snd_wss_open(struct snd_wss *chip, unsigned int mode) { unsigned long flags; mutex_lock(&chip->open_mutex); if ((chip->mode & mode) || - ((chip->mode & CS4231_MODE_OPEN) && chip->single_dma)) { + ((chip->mode & WSS_MODE_OPEN) && chip->single_dma)) { mutex_unlock(&chip->open_mutex); return -EAGAIN; } - if (chip->mode & CS4231_MODE_OPEN) { + if (chip->mode & WSS_MODE_OPEN) { chip->mode |= mode; mutex_unlock(&chip->open_mutex); return 0; } /* ok. now enable and ack CODEC IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | - CS4231_RECORD_IRQ | - CS4231_TIMER_IRQ); - snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + snd_wss_out(chip, CS4231_IRQ_STATUS, + CS4231_PLAYBACK_IRQ | + CS4231_RECORD_IRQ | + CS4231_TIMER_IRQ); + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ chip->image[CS4231_PIN_CTRL] |= CS4231_IRQ_ENABLE; - snd_cs4231_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); - snd_cs4231_out(chip, CS4231_IRQ_STATUS, CS4231_PLAYBACK_IRQ | - CS4231_RECORD_IRQ | - CS4231_TIMER_IRQ); - snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); + snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); + snd_wss_out(chip, CS4231_IRQ_STATUS, + CS4231_PLAYBACK_IRQ | + CS4231_RECORD_IRQ | + CS4231_TIMER_IRQ); + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); spin_unlock_irqrestore(&chip->reg_lock, flags); chip->mode = mode; @@ -764,48 +864,49 @@ static int snd_cs4231_open(struct snd_cs4231 *chip, unsigned int mode) return 0; } -static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode) +static void snd_wss_close(struct snd_wss *chip, unsigned int mode) { unsigned long flags; mutex_lock(&chip->open_mutex); chip->mode &= ~mode; - if (chip->mode & CS4231_MODE_OPEN) { + if (chip->mode & WSS_MODE_OPEN) { mutex_unlock(&chip->open_mutex); return; } - snd_cs4231_calibrate_mute(chip, 1); + snd_wss_calibrate_mute(chip, 1); /* disable IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ chip->image[CS4231_PIN_CTRL] &= ~CS4231_IRQ_ENABLE; - snd_cs4231_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); + snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); /* now disable record & playback */ if (chip->image[CS4231_IFACE_CTRL] & (CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO)) { spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO | CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); - snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]); + snd_wss_out(chip, CS4231_IFACE_CTRL, + chip->image[CS4231_IFACE_CTRL]); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); spin_lock_irqsave(&chip->reg_lock, flags); } /* clear IRQ again */ - snd_cs4231_out(chip, CS4231_IRQ_STATUS, 0); - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ - cs4231_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ + wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_calibrate_mute(chip, 0); + snd_wss_calibrate_mute(chip, 0); chip->mode = 0; mutex_unlock(&chip->open_mutex); @@ -815,59 +916,60 @@ static void snd_cs4231_close(struct snd_cs4231 *chip, unsigned int mode) * timer open/close */ -static int snd_cs4231_timer_open(struct snd_timer * timer) +static int snd_wss_timer_open(struct snd_timer *timer) { - struct snd_cs4231 *chip = snd_timer_chip(timer); - snd_cs4231_open(chip, CS4231_MODE_TIMER); + struct snd_wss *chip = snd_timer_chip(timer); + snd_wss_open(chip, WSS_MODE_TIMER); return 0; } -static int snd_cs4231_timer_close(struct snd_timer * timer) +static int snd_wss_timer_close(struct snd_timer *timer) { - struct snd_cs4231 *chip = snd_timer_chip(timer); - snd_cs4231_close(chip, CS4231_MODE_TIMER); + struct snd_wss *chip = snd_timer_chip(timer); + snd_wss_close(chip, WSS_MODE_TIMER); return 0; } -static struct snd_timer_hardware snd_cs4231_timer_table = +static struct snd_timer_hardware snd_wss_timer_table = { .flags = SNDRV_TIMER_HW_AUTO, .resolution = 9945, .ticks = 65535, - .open = snd_cs4231_timer_open, - .close = snd_cs4231_timer_close, - .c_resolution = snd_cs4231_timer_resolution, - .start = snd_cs4231_timer_start, - .stop = snd_cs4231_timer_stop, + .open = snd_wss_timer_open, + .close = snd_wss_timer_close, + .c_resolution = snd_wss_timer_resolution, + .start = snd_wss_timer_start, + .stop = snd_wss_timer_stop, }; /* * ok.. exported functions.. */ -static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream, +static int snd_wss_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); unsigned char new_pdfr; int err; if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) return err; - new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params), params_channels(hw_params)) | - snd_cs4231_get_rate(params_rate(hw_params)); + new_pdfr = snd_wss_get_format(chip, params_format(hw_params), + params_channels(hw_params)) | + snd_wss_get_rate(params_rate(hw_params)); chip->set_playback_format(chip, hw_params, new_pdfr); return 0; } -static int snd_cs4231_playback_hw_free(struct snd_pcm_substream *substream) +static int snd_wss_playback_hw_free(struct snd_pcm_substream *substream) { return snd_pcm_lib_free_pages(substream); } -static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) +static int snd_wss_playback_prepare(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned long flags; unsigned int size = snd_pcm_lib_buffer_bytes(substream); @@ -877,39 +979,40 @@ static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream) chip->p_dma_size = size; chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO); snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); - count = snd_cs4231_get_count(chip->image[CS4231_PLAYBK_FORMAT], count) - 1; - snd_cs4231_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); - snd_cs4231_out(chip, CS4231_PLY_UPR_CNT, (unsigned char) (count >> 8)); + count = snd_wss_get_count(chip->image[CS4231_PLAYBK_FORMAT], count) - 1; + snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); + snd_wss_out(chip, CS4231_PLY_UPR_CNT, (unsigned char) (count >> 8)); spin_unlock_irqrestore(&chip->reg_lock, flags); #if 0 - snd_cs4231_debug(chip); + snd_wss_debug(chip); #endif return 0; } -static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream, +static int snd_wss_capture_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); unsigned char new_cdfr; int err; if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) return err; - new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params), params_channels(hw_params)) | - snd_cs4231_get_rate(params_rate(hw_params)); + new_cdfr = snd_wss_get_format(chip, params_format(hw_params), + params_channels(hw_params)) | + snd_wss_get_rate(params_rate(hw_params)); chip->set_capture_format(chip, hw_params, new_cdfr); return 0; } -static int snd_cs4231_capture_hw_free(struct snd_pcm_substream *substream) +static int snd_wss_capture_hw_free(struct snd_pcm_substream *substream) { return snd_pcm_lib_free_pages(substream); } -static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream) +static int snd_wss_capture_prepare(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned long flags; unsigned int size = snd_pcm_lib_buffer_bytes(substream); @@ -919,49 +1022,52 @@ static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream) chip->c_dma_size = size; chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); - count = snd_cs4231_get_count(chip->image[CS4231_REC_FORMAT], count) - 1; - if (chip->single_dma && chip->hardware != CS4231_HW_INTERWAVE) { - snd_cs4231_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); - snd_cs4231_out(chip, CS4231_PLY_UPR_CNT, (unsigned char) (count >> 8)); + count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT], count) - 1; + if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) { + snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); + snd_wss_out(chip, CS4231_PLY_UPR_CNT, + (unsigned char) (count >> 8)); } else { - snd_cs4231_out(chip, CS4231_REC_LWR_CNT, (unsigned char) count); - snd_cs4231_out(chip, CS4231_REC_UPR_CNT, (unsigned char) (count >> 8)); + snd_wss_out(chip, CS4231_REC_LWR_CNT, (unsigned char) count); + snd_wss_out(chip, CS4231_REC_UPR_CNT, + (unsigned char) (count >> 8)); } spin_unlock_irqrestore(&chip->reg_lock, flags); return 0; } -void snd_cs4231_overrange(struct snd_cs4231 *chip) +void snd_wss_overrange(struct snd_wss *chip) { unsigned long flags; unsigned char res; spin_lock_irqsave(&chip->reg_lock, flags); - res = snd_cs4231_in(chip, CS4231_TEST_INIT); + res = snd_wss_in(chip, CS4231_TEST_INIT); spin_unlock_irqrestore(&chip->reg_lock, flags); if (res & (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */ chip->capture_substream->runtime->overrange++; } +EXPORT_SYMBOL(snd_wss_overrange); -irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id) +irqreturn_t snd_wss_interrupt(int irq, void *dev_id) { - struct snd_cs4231 *chip = dev_id; + struct snd_wss *chip = dev_id; unsigned char status; - status = snd_cs4231_in(chip, CS4231_IRQ_STATUS); + status = snd_wss_in(chip, CS4231_IRQ_STATUS); if (status & CS4231_TIMER_IRQ) { if (chip->timer) snd_timer_interrupt(chip->timer, chip->timer->sticks); } - if (chip->single_dma && chip->hardware != CS4231_HW_INTERWAVE) { + if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) { if (status & CS4231_PLAYBACK_IRQ) { - if (chip->mode & CS4231_MODE_PLAY) { + if (chip->mode & WSS_MODE_PLAY) { if (chip->playback_substream) snd_pcm_period_elapsed(chip->playback_substream); } - if (chip->mode & CS4231_MODE_RECORD) { + if (chip->mode & WSS_MODE_RECORD) { if (chip->capture_substream) { - snd_cs4231_overrange(chip); + snd_wss_overrange(chip); snd_pcm_period_elapsed(chip->capture_substream); } } @@ -973,21 +1079,22 @@ irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id) } if (status & CS4231_RECORD_IRQ) { if (chip->capture_substream) { - snd_cs4231_overrange(chip); + snd_wss_overrange(chip); snd_pcm_period_elapsed(chip->capture_substream); } } } spin_lock(&chip->reg_lock); - snd_cs4231_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0); + snd_wss_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0); spin_unlock(&chip->reg_lock); return IRQ_HANDLED; } +EXPORT_SYMBOL(snd_wss_interrupt); -static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *substream) +static snd_pcm_uframes_t snd_wss_playback_pointer(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE)) @@ -996,9 +1103,9 @@ static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *s return bytes_to_frames(substream->runtime, ptr); } -static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *substream) +static snd_pcm_uframes_t snd_wss_capture_pointer(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE)) @@ -1011,7 +1118,7 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *su */ -static int snd_cs4231_probe(struct snd_cs4231 *chip) +static int snd_wss_probe(struct snd_wss *chip) { unsigned long flags; int i, id, rev; @@ -1019,103 +1126,104 @@ static int snd_cs4231_probe(struct snd_cs4231 *chip) unsigned int hw; #if 0 - snd_cs4231_debug(chip); + snd_wss_debug(chip); #endif id = 0; for (i = 0; i < 50; i++) { mb(); - if (cs4231_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) udelay(2000); else { spin_lock_irqsave(&chip->reg_lock, flags); - snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2); - id = snd_cs4231_in(chip, CS4231_MISC_INFO) & 0x0f; + snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2); + id = snd_wss_in(chip, CS4231_MISC_INFO) & 0x0f; spin_unlock_irqrestore(&chip->reg_lock, flags); if (id == 0x0a) break; /* this is valid value */ } } - snd_printdd("cs4231: port = 0x%lx, id = 0x%x\n", chip->port, id); + snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip->port, id); if (id != 0x0a) return -ENODEV; /* no valid device found */ - if (((hw = chip->hardware) & CS4231_HW_TYPE_MASK) == CS4231_HW_DETECT) { - rev = snd_cs4231_in(chip, CS4231_VERSION) & 0xe7; + hw = chip->hardware; + if ((hw & WSS_HW_TYPE_MASK) == WSS_HW_DETECT) { + rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7; snd_printdd("CS4231: VERSION (I25) = 0x%x\n", rev); if (rev == 0x80) { - unsigned char tmp = snd_cs4231_in(chip, 23); - snd_cs4231_out(chip, 23, ~tmp); - if (snd_cs4231_in(chip, 23) != tmp) - chip->hardware = CS4231_HW_AD1845; + unsigned char tmp = snd_wss_in(chip, 23); + snd_wss_out(chip, 23, ~tmp); + if (snd_wss_in(chip, 23) != tmp) + chip->hardware = WSS_HW_AD1845; else - chip->hardware = CS4231_HW_CS4231; + chip->hardware = WSS_HW_CS4231; } else if (rev == 0xa0) { - chip->hardware = CS4231_HW_CS4231A; + chip->hardware = WSS_HW_CS4231A; } else if (rev == 0xa2) { - chip->hardware = CS4231_HW_CS4232; + chip->hardware = WSS_HW_CS4232; } else if (rev == 0xb2) { - chip->hardware = CS4231_HW_CS4232A; + chip->hardware = WSS_HW_CS4232A; } else if (rev == 0x83) { - chip->hardware = CS4231_HW_CS4236; + chip->hardware = WSS_HW_CS4236; } else if (rev == 0x03) { - chip->hardware = CS4231_HW_CS4236B; + chip->hardware = WSS_HW_CS4236B; } else { snd_printk("unknown CS chip with version 0x%x\n", rev); return -ENODEV; /* unknown CS4231 chip? */ } } spin_lock_irqsave(&chip->reg_lock, flags); - cs4231_inb(chip, CS4231P(STATUS)); /* clear any pendings IRQ */ - cs4231_outb(chip, CS4231P(STATUS), 0); + wss_inb(chip, CS4231P(STATUS)); /* clear any pendings IRQ */ + wss_outb(chip, CS4231P(STATUS), 0); mb(); spin_unlock_irqrestore(&chip->reg_lock, flags); chip->image[CS4231_MISC_INFO] = CS4231_MODE2; switch (chip->hardware) { - case CS4231_HW_INTERWAVE: + case WSS_HW_INTERWAVE: chip->image[CS4231_MISC_INFO] = CS4231_IW_MODE3; break; - case CS4231_HW_CS4235: - case CS4231_HW_CS4236B: - case CS4231_HW_CS4237B: - case CS4231_HW_CS4238B: - case CS4231_HW_CS4239: - if (hw == CS4231_HW_DETECT3) + case WSS_HW_CS4235: + case WSS_HW_CS4236B: + case WSS_HW_CS4237B: + case WSS_HW_CS4238B: + case WSS_HW_CS4239: + if (hw == WSS_HW_DETECT3) chip->image[CS4231_MISC_INFO] = CS4231_4236_MODE3; else - chip->hardware = CS4231_HW_CS4236; + chip->hardware = WSS_HW_CS4236; break; } chip->image[CS4231_IFACE_CTRL] = (chip->image[CS4231_IFACE_CTRL] & ~CS4231_SINGLE_DMA) | (chip->single_dma ? CS4231_SINGLE_DMA : 0); - if (chip->hardware != CS4231_HW_OPTI93X) { + if (chip->hardware != WSS_HW_OPTI93X) { chip->image[CS4231_ALT_FEATURE_1] = 0x80; chip->image[CS4231_ALT_FEATURE_2] = - chip->hardware == CS4231_HW_INTERWAVE ? 0xc2 : 0x01; + chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01; } ptr = (unsigned char *) &chip->image; - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */ - snd_cs4231_out(chip, i, *ptr++); + snd_wss_out(chip, i, *ptr++); spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_cs4231_mce_up(chip); - snd_cs4231_mce_down(chip); + snd_wss_mce_up(chip); + snd_wss_mce_down(chip); mdelay(2); /* ok.. try check hardware version for CS4236+ chips */ - if ((hw & CS4231_HW_TYPE_MASK) == CS4231_HW_DETECT) { - if (chip->hardware == CS4231_HW_CS4236B) { + if ((hw & WSS_HW_TYPE_MASK) == WSS_HW_DETECT) { + if (chip->hardware == WSS_HW_CS4236B) { rev = snd_cs4236_ext_in(chip, CS4236_VERSION); snd_cs4236_ext_out(chip, CS4236_VERSION, 0xff); id = snd_cs4236_ext_in(chip, CS4236_VERSION); snd_cs4236_ext_out(chip, CS4236_VERSION, rev); snd_printdd("CS4231: ext version; rev = 0x%x, id = 0x%x\n", rev, id); if ((id & 0x1f) == 0x1d) { /* CS4235 */ - chip->hardware = CS4231_HW_CS4235; + chip->hardware = WSS_HW_CS4235; switch (id >> 5) { case 4: case 5: @@ -1130,13 +1238,13 @@ static int snd_cs4231_probe(struct snd_cs4231 *chip) case 5: case 6: case 7: - chip->hardware = CS4231_HW_CS4236B; + chip->hardware = WSS_HW_CS4236B; break; default: snd_printk("unknown CS4236 chip (enhanced version = 0x%x)\n", id); } } else if ((id & 0x1f) == 0x08) { /* CS4237B */ - chip->hardware = CS4231_HW_CS4237B; + chip->hardware = WSS_HW_CS4237B; switch (id >> 5) { case 4: case 5: @@ -1147,7 +1255,7 @@ static int snd_cs4231_probe(struct snd_cs4231 *chip) snd_printk("unknown CS4237B chip (enhanced version = 0x%x)\n", id); } } else if ((id & 0x1f) == 0x09) { /* CS4238B */ - chip->hardware = CS4231_HW_CS4238B; + chip->hardware = WSS_HW_CS4238B; switch (id >> 5) { case 5: case 6: @@ -1157,7 +1265,7 @@ static int snd_cs4231_probe(struct snd_cs4231 *chip) snd_printk("unknown CS4238B chip (enhanced version = 0x%x)\n", id); } } else if ((id & 0x1f) == 0x1e) { /* CS4239 */ - chip->hardware = CS4231_HW_CS4239; + chip->hardware = WSS_HW_CS4239; switch (id >> 5) { case 4: case 5: @@ -1178,7 +1286,7 @@ static int snd_cs4231_probe(struct snd_cs4231 *chip) */ -static struct snd_pcm_hardware snd_cs4231_playback = +static struct snd_pcm_hardware snd_wss_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID | @@ -1199,7 +1307,7 @@ static struct snd_pcm_hardware snd_cs4231_playback = .fifo_size = 0, }; -static struct snd_pcm_hardware snd_cs4231_capture = +static struct snd_pcm_hardware snd_wss_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID | @@ -1224,21 +1332,21 @@ static struct snd_pcm_hardware snd_cs4231_capture = */ -static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) +static int snd_wss_playback_open(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err; - runtime->hw = snd_cs4231_playback; + runtime->hw = snd_wss_playback; /* hardware bug in InterWave chipset */ - if (chip->hardware == CS4231_HW_INTERWAVE && chip->dma1 > 3) + if (chip->hardware == WSS_HW_INTERWAVE && chip->dma1 > 3) runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW; /* hardware limitation of cheap chips */ - if (chip->hardware == CS4231_HW_CS4235 || - chip->hardware == CS4231_HW_CS4239) + if (chip->hardware == WSS_HW_CS4235 || + chip->hardware == WSS_HW_CS4239) runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE; snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); @@ -1249,7 +1357,8 @@ static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) return err; } - if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) { + err = snd_wss_open(chip, WSS_MODE_PLAY); + if (err < 0) { if (chip->release_dma) chip->release_dma(chip, chip->dma_private_data, chip->dma1); snd_free_pages(runtime->dma_area, runtime->dma_bytes); @@ -1261,17 +1370,17 @@ static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) return 0; } -static int snd_cs4231_capture_open(struct snd_pcm_substream *substream) +static int snd_wss_capture_open(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err; - runtime->hw = snd_cs4231_capture; + runtime->hw = snd_wss_capture; /* hardware limitation of cheap chips */ - if (chip->hardware == CS4231_HW_CS4235 || - chip->hardware == CS4231_HW_CS4239) + if (chip->hardware == WSS_HW_CS4235 || + chip->hardware == WSS_HW_CS4239) runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE; snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); @@ -1282,7 +1391,8 @@ static int snd_cs4231_capture_open(struct snd_pcm_substream *substream) return err; } - if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) { + err = snd_wss_open(chip, WSS_MODE_RECORD); + if (err < 0) { if (chip->release_dma) chip->release_dma(chip, chip->dma_private_data, chip->dma2); snd_free_pages(runtime->dma_area, runtime->dma_bytes); @@ -1294,28 +1404,28 @@ static int snd_cs4231_capture_open(struct snd_pcm_substream *substream) return 0; } -static int snd_cs4231_playback_close(struct snd_pcm_substream *substream) +static int snd_wss_playback_close(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); chip->playback_substream = NULL; - snd_cs4231_close(chip, CS4231_MODE_PLAY); + snd_wss_close(chip, WSS_MODE_PLAY); return 0; } -static int snd_cs4231_capture_close(struct snd_pcm_substream *substream) +static int snd_wss_capture_close(struct snd_pcm_substream *substream) { - struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); chip->capture_substream = NULL; - snd_cs4231_close(chip, CS4231_MODE_RECORD); + snd_wss_close(chip, WSS_MODE_RECORD); return 0; } #ifdef CONFIG_PM /* lowlevel suspend callback for CS4231 */ -static void snd_cs4231_suspend(struct snd_cs4231 *chip) +static void snd_wss_suspend(struct snd_wss *chip) { int reg; unsigned long flags; @@ -1323,67 +1433,68 @@ static void snd_cs4231_suspend(struct snd_cs4231 *chip) snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) - chip->image[reg] = snd_cs4231_in(chip, reg); + chip->image[reg] = snd_wss_in(chip, reg); spin_unlock_irqrestore(&chip->reg_lock, flags); } /* lowlevel resume callback for CS4231 */ -static void snd_cs4231_resume(struct snd_cs4231 *chip) +static void snd_wss_resume(struct snd_wss *chip) { int reg; unsigned long flags; /* int timeout; */ - snd_cs4231_mce_up(chip); + snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) { switch (reg) { case CS4231_VERSION: break; default: - snd_cs4231_out(chip, reg, chip->image[reg]); + snd_wss_out(chip, reg, chip->image[reg]); break; } } spin_unlock_irqrestore(&chip->reg_lock, flags); #if 1 - snd_cs4231_mce_down(chip); + snd_wss_mce_down(chip); #else /* The following is a workaround to avoid freeze after resume on TP600E. - This is the first half of copy of snd_cs4231_mce_down(), but doesn't + This is the first half of copy of snd_wss_mce_down(), but doesn't include rescheduling. -- iwai */ - snd_cs4231_busy_wait(chip); + snd_wss_busy_wait(chip); spin_lock_irqsave(&chip->reg_lock, flags); chip->mce_bit &= ~CS4231_MCE; - timeout = cs4231_inb(chip, CS4231P(REGSEL)); - cs4231_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); + timeout = wss_inb(chip, CS4231P(REGSEL)); + wss_outb(chip, CS4231P(REGSEL), chip->mce_bit | (timeout & 0x1f)); spin_unlock_irqrestore(&chip->reg_lock, flags); if (timeout == 0x80) snd_printk("down [0x%lx]: serious init problem - codec still busy\n", chip->port); if ((timeout & CS4231_MCE) == 0 || - !(chip->hardware & (CS4231_HW_CS4231_MASK | CS4231_HW_CS4232_MASK))) { + !(chip->hardware & (WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK))) { return; } - snd_cs4231_busy_wait(chip); + snd_wss_busy_wait(chip); #endif } #endif /* CONFIG_PM */ -static int snd_cs4231_free(struct snd_cs4231 *chip) +static int snd_wss_free(struct snd_wss *chip) { release_and_free_resource(chip->res_port); release_and_free_resource(chip->res_cport); if (chip->irq >= 0) { disable_irq(chip->irq); - if (!(chip->hwshare & CS4231_HWSHARE_IRQ)) + if (!(chip->hwshare & WSS_HWSHARE_IRQ)) free_irq(chip->irq, (void *) chip); } - if (!(chip->hwshare & CS4231_HWSHARE_DMA1) && chip->dma1 >= 0) { + if (!(chip->hwshare & WSS_HWSHARE_DMA1) && chip->dma1 >= 0) { snd_dma_disable(chip->dma1); free_dma(chip->dma1); } - if (!(chip->hwshare & CS4231_HWSHARE_DMA2) && chip->dma2 >= 0 && chip->dma2 != chip->dma1) { + if (!(chip->hwshare & WSS_HWSHARE_DMA2) && + chip->dma2 >= 0 && chip->dma2 != chip->dma1) { snd_dma_disable(chip->dma2); free_dma(chip->dma2); } @@ -1393,39 +1504,55 @@ static int snd_cs4231_free(struct snd_cs4231 *chip) return 0; } -static int snd_cs4231_dev_free(struct snd_device *device) +static int snd_wss_dev_free(struct snd_device *device) { - struct snd_cs4231 *chip = device->device_data; - return snd_cs4231_free(chip); + struct snd_wss *chip = device->device_data; + return snd_wss_free(chip); } -const char *snd_cs4231_chip_id(struct snd_cs4231 *chip) +const char *snd_wss_chip_id(struct snd_wss *chip) { switch (chip->hardware) { - case CS4231_HW_CS4231: return "CS4231"; - case CS4231_HW_CS4231A: return "CS4231A"; - case CS4231_HW_CS4232: return "CS4232"; - case CS4231_HW_CS4232A: return "CS4232A"; - case CS4231_HW_CS4235: return "CS4235"; - case CS4231_HW_CS4236: return "CS4236"; - case CS4231_HW_CS4236B: return "CS4236B"; - case CS4231_HW_CS4237B: return "CS4237B"; - case CS4231_HW_CS4238B: return "CS4238B"; - case CS4231_HW_CS4239: return "CS4239"; - case CS4231_HW_INTERWAVE: return "AMD InterWave"; - case CS4231_HW_OPL3SA2: return chip->card->shortname; - case CS4231_HW_AD1845: return "AD1845"; - case CS4231_HW_OPTI93X: return "OPTi 93x"; - default: return "???"; + case WSS_HW_CS4231: + return "CS4231"; + case WSS_HW_CS4231A: + return "CS4231A"; + case WSS_HW_CS4232: + return "CS4232"; + case WSS_HW_CS4232A: + return "CS4232A"; + case WSS_HW_CS4235: + return "CS4235"; + case WSS_HW_CS4236: + return "CS4236"; + case WSS_HW_CS4236B: + return "CS4236B"; + case WSS_HW_CS4237B: + return "CS4237B"; + case WSS_HW_CS4238B: + return "CS4238B"; + case WSS_HW_CS4239: + return "CS4239"; + case WSS_HW_INTERWAVE: + return "AMD InterWave"; + case WSS_HW_OPL3SA2: + return chip->card->shortname; + case WSS_HW_AD1845: + return "AD1845"; + case WSS_HW_OPTI93X: + return "OPTi 93x"; + default: + return "???"; } } +EXPORT_SYMBOL(snd_wss_chip_id); -static int snd_cs4231_new(struct snd_card *card, +static int snd_wss_new(struct snd_card *card, unsigned short hardware, unsigned short hwshare, - struct snd_cs4231 ** rchip) + struct snd_wss **rchip) { - struct snd_cs4231 *chip; + struct snd_wss *chip; *rchip = NULL; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -1438,35 +1565,35 @@ static int snd_cs4231_new(struct snd_card *card, mutex_init(&chip->mce_mutex); mutex_init(&chip->open_mutex); chip->card = card; - chip->rate_constraint = snd_cs4231_xrate; - chip->set_playback_format = snd_cs4231_playback_format; - chip->set_capture_format = snd_cs4231_capture_format; - if (chip->hardware == CS4231_HW_OPTI93X) + chip->rate_constraint = snd_wss_xrate; + chip->set_playback_format = snd_wss_playback_format; + chip->set_capture_format = snd_wss_capture_format; + if (chip->hardware == WSS_HW_OPTI93X) memcpy(&chip->image, &snd_opti93x_original_image, sizeof(snd_opti93x_original_image)); else - memcpy(&chip->image, &snd_cs4231_original_image, - sizeof(snd_cs4231_original_image)); + memcpy(&chip->image, &snd_wss_original_image, + sizeof(snd_wss_original_image)); - *rchip = chip; - return 0; + *rchip = chip; + return 0; } -int snd_cs4231_create(struct snd_card *card, - unsigned long port, - unsigned long cport, +int snd_wss_create(struct snd_card *card, + unsigned long port, + unsigned long cport, int irq, int dma1, int dma2, unsigned short hardware, unsigned short hwshare, - struct snd_cs4231 ** rchip) + struct snd_wss **rchip) { static struct snd_device_ops ops = { - .dev_free = snd_cs4231_dev_free, + .dev_free = snd_wss_dev_free, }; - struct snd_cs4231 *chip; + struct snd_wss *chip; int err; - err = snd_cs4231_new(card, hardware, hwshare, &chip); + err = snd_wss_new(card, hardware, hwshare, &chip); if (err < 0) return err; @@ -1474,33 +1601,41 @@ int snd_cs4231_create(struct snd_card *card, chip->dma1 = -1; chip->dma2 = -1; - if ((chip->res_port = request_region(port, 4, "CS4231")) == NULL) { - snd_printk(KERN_ERR "cs4231: can't grab port 0x%lx\n", port); - snd_cs4231_free(chip); + chip->res_port = request_region(port, 4, "CS4231"); + if (!chip->res_port) { + snd_printk(KERN_ERR "wss: can't grab port 0x%lx\n", port); + snd_wss_free(chip); return -EBUSY; } chip->port = port; - if ((long)cport >= 0 && (chip->res_cport = request_region(cport, 8, "CS4232 Control")) == NULL) { - snd_printk(KERN_ERR "cs4231: can't grab control port 0x%lx\n", cport); - snd_cs4231_free(chip); - return -ENODEV; + if ((long)cport >= 0) { + chip->res_cport = request_region(cport, 8, "CS4232 Control"); + if (!chip->res_cport) { + snd_printk(KERN_ERR + "wss: can't grab control port 0x%lx\n", cport); + snd_wss_free(chip); + return -ENODEV; + } } chip->cport = cport; - if (!(hwshare & CS4231_HWSHARE_IRQ) && request_irq(irq, snd_cs4231_interrupt, IRQF_DISABLED, "CS4231", (void *) chip)) { - snd_printk(KERN_ERR "cs4231: can't grab IRQ %d\n", irq); - snd_cs4231_free(chip); - return -EBUSY; - } + if (!(hwshare & WSS_HWSHARE_IRQ)) + if (request_irq(irq, snd_wss_interrupt, IRQF_DISABLED, + "CS4231", (void *) chip)) { + snd_printk(KERN_ERR "wss: can't grab IRQ %d\n", irq); + snd_wss_free(chip); + return -EBUSY; + } chip->irq = irq; - if (!(hwshare & CS4231_HWSHARE_DMA1) && request_dma(dma1, "CS4231 - 1")) { - snd_printk(KERN_ERR "cs4231: can't grab DMA1 %d\n", dma1); - snd_cs4231_free(chip); + if (!(hwshare & WSS_HWSHARE_DMA1) && request_dma(dma1, "CS4231 - 1")) { + snd_printk(KERN_ERR "wss: can't grab DMA1 %d\n", dma1); + snd_wss_free(chip); return -EBUSY; } chip->dma1 = dma1; - if (!(hwshare & CS4231_HWSHARE_DMA2) && dma1 != dma2 && dma2 >= 0 && request_dma(dma2, "CS4231 - 2")) { - snd_printk(KERN_ERR "cs4231: can't grab DMA2 %d\n", dma2); - snd_cs4231_free(chip); + if (!(hwshare & WSS_HWSHARE_DMA2) && dma1 != dma2 && + dma2 >= 0 && request_dma(dma2, "CS4231 - 2")) { + snd_printk(KERN_ERR "wss: can't grab DMA2 %d\n", dma2); + snd_wss_free(chip); return -EBUSY; } if (dma1 == dma2 || dma2 < 0) { @@ -1510,58 +1645,60 @@ int snd_cs4231_create(struct snd_card *card, chip->dma2 = dma2; /* global setup */ - if (snd_cs4231_probe(chip) < 0) { - snd_cs4231_free(chip); + if (snd_wss_probe(chip) < 0) { + snd_wss_free(chip); return -ENODEV; } - snd_cs4231_init(chip); + snd_wss_init(chip); #if 0 - if (chip->hardware & CS4231_HW_CS4232_MASK) { + if (chip->hardware & WSS_HW_CS4232_MASK) { if (chip->res_cport == NULL) snd_printk("CS4232 control port features are not accessible\n"); } #endif /* Register device */ - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - snd_cs4231_free(chip); + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { + snd_wss_free(chip); return err; } #ifdef CONFIG_PM /* Power Management */ - chip->suspend = snd_cs4231_suspend; - chip->resume = snd_cs4231_resume; + chip->suspend = snd_wss_suspend; + chip->resume = snd_wss_resume; #endif *rchip = chip; return 0; } +EXPORT_SYMBOL(snd_wss_create); -static struct snd_pcm_ops snd_cs4231_playback_ops = { - .open = snd_cs4231_playback_open, - .close = snd_cs4231_playback_close, +static struct snd_pcm_ops snd_wss_playback_ops = { + .open = snd_wss_playback_open, + .close = snd_wss_playback_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_cs4231_playback_hw_params, - .hw_free = snd_cs4231_playback_hw_free, - .prepare = snd_cs4231_playback_prepare, - .trigger = snd_cs4231_trigger, - .pointer = snd_cs4231_playback_pointer, + .hw_params = snd_wss_playback_hw_params, + .hw_free = snd_wss_playback_hw_free, + .prepare = snd_wss_playback_prepare, + .trigger = snd_wss_trigger, + .pointer = snd_wss_playback_pointer, }; -static struct snd_pcm_ops snd_cs4231_capture_ops = { - .open = snd_cs4231_capture_open, - .close = snd_cs4231_capture_close, +static struct snd_pcm_ops snd_wss_capture_ops = { + .open = snd_wss_capture_open, + .close = snd_wss_capture_close, .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_cs4231_capture_hw_params, - .hw_free = snd_cs4231_capture_hw_free, - .prepare = snd_cs4231_capture_prepare, - .trigger = snd_cs4231_trigger, - .pointer = snd_cs4231_capture_pointer, + .hw_params = snd_wss_capture_hw_params, + .hw_free = snd_wss_capture_hw_free, + .prepare = snd_wss_capture_prepare, + .trigger = snd_wss_trigger, + .pointer = snd_wss_capture_pointer, }; -int snd_cs4231_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm) +int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) { struct snd_pcm *pcm; int err; @@ -1573,17 +1710,17 @@ int snd_cs4231_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm) mutex_init(&chip->mce_mutex); mutex_init(&chip->open_mutex); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops); /* global setup */ pcm->private_data = chip; pcm->info_flags = 0; if (chip->single_dma) pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; - if (chip->hardware != CS4231_HW_INTERWAVE) + if (chip->hardware != WSS_HW_INTERWAVE) pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX; - strcpy(pcm->name, snd_cs4231_chip_id(chip)); + strcpy(pcm->name, snd_wss_chip_id(chip)); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), @@ -1594,14 +1731,15 @@ int snd_cs4231_pcm(struct snd_cs4231 *chip, int device, struct snd_pcm **rpcm) *rpcm = pcm; return 0; } +EXPORT_SYMBOL(snd_wss_pcm); -static void snd_cs4231_timer_free(struct snd_timer *timer) +static void snd_wss_timer_free(struct snd_timer *timer) { - struct snd_cs4231 *chip = timer->private_data; + struct snd_wss *chip = timer->private_data; chip->timer = NULL; } -int snd_cs4231_timer(struct snd_cs4231 *chip, int device, struct snd_timer **rtimer) +int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer) { struct snd_timer *timer; struct snd_timer_id tid; @@ -1615,21 +1753,23 @@ int snd_cs4231_timer(struct snd_cs4231 *chip, int device, struct snd_timer **rti tid.subdevice = 0; if ((err = snd_timer_new(chip->card, "CS4231", &tid, &timer)) < 0) return err; - strcpy(timer->name, snd_cs4231_chip_id(chip)); + strcpy(timer->name, snd_wss_chip_id(chip)); timer->private_data = chip; - timer->private_free = snd_cs4231_timer_free; - timer->hw = snd_cs4231_timer_table; + timer->private_free = snd_wss_timer_free; + timer->hw = snd_wss_timer_table; chip->timer = timer; if (rtimer) *rtimer = timer; return 0; } +EXPORT_SYMBOL(snd_wss_timer); /* * MIXER part */ -static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +static int snd_wss_info_mux(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { static char *texts[4] = { "Line", "Aux", "Mic", "Mix" @@ -1641,7 +1781,7 @@ static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_ele "Line", "Synth", "Mic", "Mix" }; char **ptexts = texts; - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); snd_assert(chip->card != NULL, return -EINVAL); uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; @@ -1652,16 +1792,21 @@ static int snd_cs4231_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_ele if (!strcmp(chip->card->driver, "GUS MAX")) ptexts = gusmax_texts; switch (chip->hardware) { - case CS4231_HW_INTERWAVE: ptexts = gusmax_texts; break; - case CS4231_HW_OPL3SA2: ptexts = opl3sa_texts; break; + case WSS_HW_INTERWAVE: + ptexts = gusmax_texts; + break; + case WSS_HW_OPL3SA2: + ptexts = opl3sa_texts; + break; } strcpy(uinfo->value.enumerated.name, ptexts[uinfo->value.enumerated.item]); return 0; } -static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_wss_get_mux(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); @@ -1671,9 +1816,10 @@ static int snd_cs4231_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem return 0; } -static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_wss_put_mux(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; unsigned short left, right; int change; @@ -1687,14 +1833,15 @@ static int snd_cs4231_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left; right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right; change = left != chip->image[CS4231_LEFT_INPUT] || - right != chip->image[CS4231_RIGHT_INPUT]; - snd_cs4231_out(chip, CS4231_LEFT_INPUT, left); - snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right); + right != chip->image[CS4231_RIGHT_INPUT]; + snd_wss_out(chip, CS4231_LEFT_INPUT, left); + snd_wss_out(chip, CS4231_RIGHT_INPUT, right); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } -int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +int snd_wss_info_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 16) & 0xff; @@ -1704,10 +1851,12 @@ int snd_cs4231_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_in uinfo->value.integer.max = mask; return 0; } +EXPORT_SYMBOL(snd_wss_info_single); -int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_wss_get_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -1721,10 +1870,12 @@ int snd_cs4231_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; return 0; } +EXPORT_SYMBOL(snd_wss_get_single); -int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_wss_put_single(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -1740,12 +1891,14 @@ int snd_cs4231_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val spin_lock_irqsave(&chip->reg_lock, flags); val = (chip->image[reg] & ~(mask << shift)) | val; change = val != chip->image[reg]; - snd_cs4231_out(chip, reg, val); + snd_wss_out(chip, reg, val); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } +EXPORT_SYMBOL(snd_wss_put_single); -int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +int snd_wss_info_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 24) & 0xff; @@ -1755,10 +1908,12 @@ int snd_cs4231_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_in uinfo->value.integer.max = mask; return 0; } +EXPORT_SYMBOL(snd_wss_info_double); -int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_wss_get_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -1777,10 +1932,12 @@ int snd_cs4231_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val } return 0; } +EXPORT_SYMBOL(snd_wss_get_double); -int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_wss_put_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -1803,81 +1960,98 @@ int snd_cs4231_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; - snd_cs4231_out(chip, left_reg, val1); - snd_cs4231_out(chip, right_reg, val2); + snd_wss_out(chip, left_reg, val1); + snd_wss_out(chip, right_reg, val2); spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } - -static struct snd_kcontrol_new snd_cs4231_controls[] = { -CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), -CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), -CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), -CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), -CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), -CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), -CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1), -CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1), -CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1), -CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0), -CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), +EXPORT_SYMBOL(snd_wss_put_double); + +static struct snd_kcontrol_new snd_wss_controls[] = { +WSS_DOUBLE("PCM Playback Switch", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("PCM Playback Volume", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), +WSS_DOUBLE("Line Playback Switch", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), +WSS_DOUBLE("Line Playback Volume", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1), +WSS_DOUBLE("Aux Playback Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Playback Volume", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1), +WSS_DOUBLE("Aux Playback Switch", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Playback Volume", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1), +WSS_SINGLE("Mono Playback Switch", 0, + CS4231_MONO_CTRL, 7, 1, 1), +WSS_SINGLE("Mono Playback Volume", 0, + CS4231_MONO_CTRL, 0, 15, 1), +WSS_SINGLE("Mono Output Playback Switch", 0, + CS4231_MONO_CTRL, 6, 1, 1), +WSS_SINGLE("Mono Output Playback Bypass", 0, + CS4231_MONO_CTRL, 5, 1, 0), +WSS_DOUBLE("Capture Volume", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", - .info = snd_cs4231_info_mux, - .get = snd_cs4231_get_mux, - .put = snd_cs4231_put_mux, + .info = snd_wss_info_mux, + .get = snd_wss_get_mux, + .put = snd_wss_put_mux, }, -CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), -CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0), -CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1) +WSS_DOUBLE("Mic Boost", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), +WSS_SINGLE("Loopback Capture Switch", 0, + CS4231_LOOPBACK, 0, 1, 0), +WSS_SINGLE("Loopback Capture Volume", 0, + CS4231_LOOPBACK, 2, 63, 1) }; static struct snd_kcontrol_new snd_opti93x_controls[] = { -CS4231_DOUBLE("Master Playback Switch", 0, - OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1), -CS4231_DOUBLE("Master Playback Volume", 0, - OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), -CS4231_DOUBLE("PCM Playback Switch", 0, - CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), -CS4231_DOUBLE("PCM Playback Volume", 0, - CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1), -CS4231_DOUBLE("FM Playback Switch", 0, - CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("FM Playback Volume", 0, - CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1), -CS4231_DOUBLE("Line Playback Switch", 0, - CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), -CS4231_DOUBLE("Line Playback Volume", 0, - CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1), -CS4231_DOUBLE("Mic Playback Switch", 0, - OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Mic Playback Volume", 0, - OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), -CS4231_DOUBLE("Mic Boost", 0, - CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), -CS4231_DOUBLE("CD Playback Switch", 0, - CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("CD Playback Volume", 0, - CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1), -CS4231_DOUBLE("Aux Playback Switch", 0, - OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1), -CS4231_DOUBLE("Aux Playback Volume", 0, - OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), -CS4231_DOUBLE("Capture Volume", 0, - CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), +WSS_DOUBLE("Master Playback Switch", 0, + OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 7, 7, 1, 1), +WSS_DOUBLE("Master Playback Volume", 0, + OPTi93X_OUT_LEFT, OPTi93X_OUT_RIGHT, 1, 1, 31, 1), +WSS_DOUBLE("PCM Playback Switch", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("PCM Playback Volume", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 31, 1), +WSS_DOUBLE("FM Playback Switch", 0, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("FM Playback Volume", 0, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 1, 1, 15, 1), +WSS_DOUBLE("Line Playback Switch", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1), +WSS_DOUBLE("Line Playback Volume", 0, + CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 15, 1), +WSS_DOUBLE("Mic Playback Switch", 0, + OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Mic Playback Volume", 0, + OPTi93X_MIC_LEFT_INPUT, OPTi93X_MIC_RIGHT_INPUT, 1, 1, 15, 1), +WSS_DOUBLE("Mic Boost", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0), +WSS_DOUBLE("CD Playback Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("CD Playback Volume", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 1, 1, 15, 1), +WSS_DOUBLE("Aux Playback Switch", 0, + OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Playback Volume", 0, + OPTi931_AUX_LEFT_INPUT, OPTi931_AUX_RIGHT_INPUT, 1, 1, 15, 1), +WSS_DOUBLE("Capture Volume", 0, + CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0), { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", - .info = snd_cs4231_info_mux, - .get = snd_cs4231_get_mux, - .put = snd_cs4231_put_mux, + .info = snd_wss_info_mux, + .get = snd_wss_get_mux, + .put = snd_wss_put_mux, } }; -int snd_cs4231_mixer(struct snd_cs4231 *chip) +int snd_wss_mixer(struct snd_wss *chip) { struct snd_card *card; unsigned int idx; @@ -1889,7 +2063,7 @@ int snd_cs4231_mixer(struct snd_cs4231 *chip) strcpy(card->mixername, chip->pcm->name); - if (chip->hardware == CS4231_HW_OPTI93X) + if (chip->hardware == WSS_HW_OPTI93X) for (idx = 0; idx < ARRAY_SIZE(snd_opti93x_controls); idx++) { err = snd_ctl_add(card, snd_ctl_new1(&snd_opti93x_controls[idx], @@ -1898,48 +2072,29 @@ int snd_cs4231_mixer(struct snd_cs4231 *chip) return err; } else - for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) { + for (idx = 0; idx < ARRAY_SIZE(snd_wss_controls); idx++) { err = snd_ctl_add(card, - snd_ctl_new1(&snd_cs4231_controls[idx], + snd_ctl_new1(&snd_wss_controls[idx], chip)); if (err < 0) return err; } return 0; } - -EXPORT_SYMBOL(snd_cs4231_out); -EXPORT_SYMBOL(snd_cs4231_in); -EXPORT_SYMBOL(snd_cs4236_ext_out); -EXPORT_SYMBOL(snd_cs4236_ext_in); -EXPORT_SYMBOL(snd_cs4231_mce_up); -EXPORT_SYMBOL(snd_cs4231_mce_down); -EXPORT_SYMBOL(snd_cs4231_overrange); -EXPORT_SYMBOL(snd_cs4231_interrupt); -EXPORT_SYMBOL(snd_cs4231_chip_id); -EXPORT_SYMBOL(snd_cs4231_create); -EXPORT_SYMBOL(snd_cs4231_pcm); -EXPORT_SYMBOL(snd_cs4231_mixer); -EXPORT_SYMBOL(snd_cs4231_timer); -EXPORT_SYMBOL(snd_cs4231_info_single); -EXPORT_SYMBOL(snd_cs4231_get_single); -EXPORT_SYMBOL(snd_cs4231_put_single); -EXPORT_SYMBOL(snd_cs4231_info_double); -EXPORT_SYMBOL(snd_cs4231_get_double); -EXPORT_SYMBOL(snd_cs4231_put_double); +EXPORT_SYMBOL(snd_wss_mixer); /* * INIT part */ -static int __init alsa_cs4231_init(void) +static int __init alsa_wss_init(void) { return 0; } -static void __exit alsa_cs4231_exit(void) +static void __exit alsa_wss_exit(void) { } -module_init(alsa_cs4231_init) -module_exit(alsa_cs4231_exit) +module_init(alsa_wss_init); +module_exit(alsa_wss_exit); -- GitLab From 241b3ee70d2d69e88d5c144ce938b1887cd6d3fc Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:04:37 +0200 Subject: [PATCH 0258/6244] ALSA: wss_lib: use struct snd_wss instead of snd_ad1848 The snd_wss is superset of the snd_ad1848 so kill the latter and replace it with the snd_wss. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 43 ++-------- include/sound/wss.h | 6 +- sound/isa/ad1848/ad1848.c | 6 +- sound/isa/ad1848/ad1848_lib.c | 128 +++++++++++++++-------------- sound/isa/cmi8330.c | 2 +- sound/isa/opti9xx/opti92x-ad1848.c | 4 - sound/isa/sc6000.c | 4 +- sound/isa/sgalaxy.c | 8 +- 8 files changed, 91 insertions(+), 110 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index d9aebdf6db63..d740e633e81b 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -25,6 +25,8 @@ #include "pcm.h" #include +#include "wss.h" /* temporary till the driver is removed */ + /* IO ports */ #define AD1848P( chip, x ) ( (chip) -> port + c_d_c_AD1848##x ) @@ -127,48 +129,20 @@ #define AD1848_THINKPAD_CTL_PORT2 0x15e9 #define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02 -struct snd_ad1848 { - unsigned long port; /* i/o port */ - struct resource *res_port; - int irq; /* IRQ line */ - int dma; /* data DMA */ - unsigned short version; /* version of CODEC chip */ - unsigned short mode; /* see to AD1848_MODE_XXXX */ - unsigned short hardware; /* see to AD1848_HW_XXXX */ - unsigned short single_dma:1; /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ - - struct snd_pcm *pcm; - struct snd_pcm_substream *playback_substream; - struct snd_pcm_substream *capture_substream; - struct snd_card *card; - - unsigned char image[32]; /* SGalaxy needs an access to extended registers */ - int mce_bit; - int calibrate_mute; - int dma_size; - int thinkpad_flag; /* Thinkpad CS4248 needs some extra help */ - -#ifdef CONFIG_PM - void (*suspend)(struct snd_ad1848 *chip); - void (*resume)(struct snd_ad1848 *chip); -#endif - - spinlock_t reg_lock; -}; - /* exported functions */ -void snd_ad1848_out(struct snd_ad1848 *chip, unsigned char reg, unsigned char value); +void snd_ad1848_out(struct snd_wss *chip, unsigned char reg, + unsigned char value); int snd_ad1848_create(struct snd_card *card, unsigned long port, int irq, int dma, unsigned short hardware, - struct snd_ad1848 ** chip); + struct snd_wss **chip); -int snd_ad1848_pcm(struct snd_ad1848 * chip, int device, struct snd_pcm **rpcm); +int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); -int snd_ad1848_mixer(struct snd_ad1848 * chip); +int snd_ad1848_mixer(struct snd_wss *chip); /* exported mixer stuffs */ enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; @@ -213,6 +187,7 @@ struct ad1848_mix_elem { .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ .tlv = xtlv } -int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c); +int snd_ad1848_add_ctl_elem(struct snd_wss *chip, + const struct ad1848_mix_elem *c); #endif /* __SOUND_AD1848_H */ diff --git a/include/sound/wss.h b/include/sound/wss.h index 3b53973f96a7..1e0dc77f0d25 100644 --- a/include/sound/wss.h +++ b/include/sound/wss.h @@ -77,8 +77,10 @@ struct snd_wss { unsigned short mode; /* see to WSS_MODE_XXXX */ unsigned short hardware; /* see to WSS_HW_XXXX */ unsigned short hwshare; /* shared resources */ - unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ - ebus_flag:1; /* SPARC: EBUS present */ + unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit */ + /* daughter board) or dma1 == dma2 */ + ebus_flag:1, /* SPARC: EBUS present */ + thinkpad_flag:1; /* Thinkpad CS4248 needs extra help */ struct snd_card *card; struct snd_pcm *pcm; diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c index 5f5271efdc59..74db24ae6509 100644 --- a/sound/isa/ad1848/ad1848.c +++ b/sound/isa/ad1848/ad1848.c @@ -87,7 +87,7 @@ static int __devinit snd_ad1848_match(struct device *dev, unsigned int n) static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) { struct snd_card *card; - struct snd_ad1848 *chip; + struct snd_wss *chip; struct snd_pcm *pcm; int error; @@ -142,7 +142,7 @@ static int __devexit snd_ad1848_remove(struct device *dev, unsigned int n) static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(dev); - struct snd_ad1848 *chip = card->private_data; + struct snd_wss *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); @@ -152,7 +152,7 @@ static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t s static int snd_ad1848_resume(struct device *dev, unsigned int n) { struct snd_card *card = dev_get_drvdata(dev); - struct snd_ad1848 *chip = card->private_data; + struct snd_wss *chip = card->private_data; chip->resume(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D0); diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 630c90f9ee50..e25fadffdb55 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -98,7 +98,7 @@ static unsigned char snd_ad1848_original_image[16] = * Basic I/O functions */ -static void snd_ad1848_wait(struct snd_ad1848 *chip) +static void snd_ad1848_wait(struct snd_wss *chip) { int timeout; @@ -109,7 +109,7 @@ static void snd_ad1848_wait(struct snd_ad1848 *chip) } } -void snd_ad1848_out(struct snd_ad1848 *chip, +void snd_ad1848_out(struct snd_wss *chip, unsigned char reg, unsigned char value) { @@ -128,7 +128,7 @@ void snd_ad1848_out(struct snd_ad1848 *chip, EXPORT_SYMBOL(snd_ad1848_out); -static void snd_ad1848_dout(struct snd_ad1848 *chip, +static void snd_ad1848_dout(struct snd_wss *chip, unsigned char reg, unsigned char value) { snd_ad1848_wait(chip); @@ -137,7 +137,7 @@ static void snd_ad1848_dout(struct snd_ad1848 *chip, mb(); } -static unsigned char snd_ad1848_in(struct snd_ad1848 *chip, unsigned char reg) +static unsigned char snd_ad1848_in(struct snd_wss *chip, unsigned char reg) { snd_ad1848_wait(chip); #ifdef CONFIG_SND_DEBUG @@ -152,7 +152,7 @@ static unsigned char snd_ad1848_in(struct snd_ad1848 *chip, unsigned char reg) #if 0 -static void snd_ad1848_debug(struct snd_ad1848 *chip) +static void snd_ad1848_debug(struct snd_wss *chip) { printk("AD1848 REGS: INDEX = 0x%02x ", inb(AD1848P(chip, REGSEL))); printk(" STATUS = 0x%02x\n", inb(AD1848P(chip, STATUS))); @@ -180,7 +180,7 @@ static void snd_ad1848_debug(struct snd_ad1848 *chip) * AD1848 detection / MCE routines */ -static void snd_ad1848_mce_up(struct snd_ad1848 *chip) +static void snd_ad1848_mce_up(struct snd_wss *chip) { unsigned long flags; int timeout; @@ -200,7 +200,7 @@ static void snd_ad1848_mce_up(struct snd_ad1848 *chip) spin_unlock_irqrestore(&chip->reg_lock, flags); } -static void snd_ad1848_mce_down(struct snd_ad1848 *chip) +static void snd_ad1848_mce_down(struct snd_wss *chip) { unsigned long flags, timeout; int reg; @@ -268,7 +268,7 @@ static unsigned int snd_ad1848_get_count(unsigned char format, return size; } -static int snd_ad1848_trigger(struct snd_ad1848 *chip, unsigned char what, +static int snd_ad1848_trigger(struct snd_wss *chip, unsigned char what, int channel, int cmd) { int result = 0; @@ -337,7 +337,7 @@ static unsigned char snd_ad1848_get_format(int format, int channels) return rformat; } -static void snd_ad1848_calibrate_mute(struct snd_ad1848 *chip, int mute) +static void snd_ad1848_calibrate_mute(struct snd_wss *chip, int mute) { unsigned long flags; @@ -361,7 +361,8 @@ static void snd_ad1848_calibrate_mute(struct snd_ad1848 *chip, int mute) spin_unlock_irqrestore(&chip->reg_lock, flags); } -static void snd_ad1848_set_data_format(struct snd_ad1848 *chip, struct snd_pcm_hw_params *hw_params) +static void snd_ad1848_set_data_format(struct snd_wss *chip, + struct snd_pcm_hw_params *hw_params) { if (hw_params == NULL) { chip->image[AD1848_DATA_FORMAT] = 0x20; @@ -373,7 +374,7 @@ static void snd_ad1848_set_data_format(struct snd_ad1848 *chip, struct snd_pcm_h // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]); } -static int snd_ad1848_open(struct snd_ad1848 *chip, unsigned int mode) +static int snd_ad1848_open(struct snd_wss *chip, unsigned int mode) { unsigned long flags; @@ -424,7 +425,7 @@ static int snd_ad1848_open(struct snd_ad1848 *chip, unsigned int mode) return 0; } -static void snd_ad1848_close(struct snd_ad1848 *chip) +static void snd_ad1848_close(struct snd_wss *chip) { unsigned long flags; @@ -464,21 +465,21 @@ static void snd_ad1848_close(struct snd_ad1848 *chip) static int snd_ad1848_playback_trigger(struct snd_pcm_substream *substream, int cmd) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); return snd_ad1848_trigger(chip, AD1848_PLAYBACK_ENABLE, SNDRV_PCM_STREAM_PLAYBACK, cmd); } static int snd_ad1848_capture_trigger(struct snd_pcm_substream *substream, int cmd) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); return snd_ad1848_trigger(chip, AD1848_CAPTURE_ENABLE, SNDRV_PCM_STREAM_CAPTURE, cmd); } static int snd_ad1848_playback_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); unsigned long flags; int err; @@ -502,15 +503,16 @@ static int snd_ad1848_playback_hw_free(struct snd_pcm_substream *substream) static int snd_ad1848_playback_prepare(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned long flags; unsigned int size = snd_pcm_lib_buffer_bytes(substream); unsigned int count = snd_pcm_lib_period_bytes(substream); - chip->dma_size = size; + chip->p_dma_size = size; chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO); - snd_dma_program(chip->dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); + snd_dma_program(chip->dma1, runtime->dma_addr, size, + DMA_MODE_WRITE | DMA_AUTOINIT); count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; spin_lock_irqsave(&chip->reg_lock, flags); snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); @@ -522,7 +524,7 @@ static int snd_ad1848_playback_prepare(struct snd_pcm_substream *substream) static int snd_ad1848_capture_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); unsigned long flags; int err; @@ -546,15 +548,16 @@ static int snd_ad1848_capture_hw_free(struct snd_pcm_substream *substream) static int snd_ad1848_capture_prepare(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; unsigned long flags; unsigned int size = snd_pcm_lib_buffer_bytes(substream); unsigned int count = snd_pcm_lib_period_bytes(substream); - chip->dma_size = size; + chip->c_dma_size = size; chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO); - snd_dma_program(chip->dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); + snd_dma_program(chip->dma2, runtime->dma_addr, size, + DMA_MODE_READ | DMA_AUTOINIT); count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; spin_lock_irqsave(&chip->reg_lock, flags); snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); @@ -565,7 +568,7 @@ static int snd_ad1848_capture_prepare(struct snd_pcm_substream *substream) static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) { - struct snd_ad1848 *chip = dev_id; + struct snd_wss *chip = dev_id; if ((chip->mode & AD1848_MODE_PLAY) && chip->playback_substream && (chip->mode & AD1848_MODE_RUNNING)) @@ -579,23 +582,23 @@ static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) static snd_pcm_uframes_t snd_ad1848_playback_pointer(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_PLAYBACK_ENABLE)) return 0; - ptr = snd_dma_pointer(chip->dma, chip->dma_size); + ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); return bytes_to_frames(substream->runtime, ptr); } static snd_pcm_uframes_t snd_ad1848_capture_pointer(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_CAPTURE_ENABLE)) return 0; - ptr = snd_dma_pointer(chip->dma, chip->dma_size); + ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); return bytes_to_frames(substream->runtime, ptr); } @@ -603,8 +606,8 @@ static snd_pcm_uframes_t snd_ad1848_capture_pointer(struct snd_pcm_substream *su */ -static void snd_ad1848_thinkpad_twiddle(struct snd_ad1848 *chip, int on) { - +static void snd_ad1848_thinkpad_twiddle(struct snd_wss *chip, int on) +{ int tmp; if (!chip->thinkpad_flag) return; @@ -624,14 +627,14 @@ static void snd_ad1848_thinkpad_twiddle(struct snd_ad1848 *chip, int on) { } #ifdef CONFIG_PM -static void snd_ad1848_suspend(struct snd_ad1848 *chip) +static void snd_ad1848_suspend(struct snd_wss *chip) { snd_pcm_suspend_all(chip->pcm); if (chip->thinkpad_flag) snd_ad1848_thinkpad_twiddle(chip, 0); } -static void snd_ad1848_resume(struct snd_ad1848 *chip) +static void snd_ad1848_resume(struct snd_wss *chip) { int i; @@ -651,7 +654,7 @@ static void snd_ad1848_resume(struct snd_ad1848 *chip) } #endif /* CONFIG_PM */ -static int snd_ad1848_probe(struct snd_ad1848 * chip) +static int snd_ad1848_probe(struct snd_wss *chip) { unsigned long flags; int i, id, rev, ad1847; @@ -775,7 +778,7 @@ static struct snd_pcm_hardware snd_ad1848_capture = static int snd_ad1848_playback_open(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err; @@ -783,15 +786,15 @@ static int snd_ad1848_playback_open(struct snd_pcm_substream *substream) return err; chip->playback_substream = substream; runtime->hw = snd_ad1848_playback; - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.period_bytes_max); + snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); + snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); return 0; } static int snd_ad1848_capture_open(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err; @@ -799,15 +802,15 @@ static int snd_ad1848_capture_open(struct snd_pcm_substream *substream) return err; chip->capture_substream = substream; runtime->hw = snd_ad1848_capture; - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.period_bytes_max); + snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); + snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); return 0; } static int snd_ad1848_playback_close(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); chip->mode &= ~AD1848_MODE_PLAY; chip->playback_substream = NULL; @@ -817,7 +820,7 @@ static int snd_ad1848_playback_close(struct snd_pcm_substream *substream) static int snd_ad1848_capture_close(struct snd_pcm_substream *substream) { - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); + struct snd_wss *chip = snd_pcm_substream_chip(substream); chip->mode &= ~AD1848_MODE_CAPTURE; chip->capture_substream = NULL; @@ -825,14 +828,14 @@ static int snd_ad1848_capture_close(struct snd_pcm_substream *substream) return 0; } -static int snd_ad1848_free(struct snd_ad1848 *chip) +static int snd_ad1848_free(struct snd_wss *chip) { release_and_free_resource(chip->res_port); if (chip->irq >= 0) free_irq(chip->irq, (void *) chip); - if (chip->dma >= 0) { - snd_dma_disable(chip->dma); - free_dma(chip->dma); + if (chip->dma1 >= 0) { + snd_dma_disable(chip->dma1); + free_dma(chip->dma1); } kfree(chip); return 0; @@ -840,11 +843,11 @@ static int snd_ad1848_free(struct snd_ad1848 *chip) static int snd_ad1848_dev_free(struct snd_device *device) { - struct snd_ad1848 *chip = device->device_data; + struct snd_wss *chip = device->device_data; return snd_ad1848_free(chip); } -static const char *snd_ad1848_chip_id(struct snd_ad1848 *chip) +static const char *snd_ad1848_chip_id(struct snd_wss *chip) { switch (chip->hardware) { case AD1848_HW_AD1847: return "AD1847"; @@ -859,12 +862,12 @@ int snd_ad1848_create(struct snd_card *card, unsigned long port, int irq, int dma, unsigned short hardware, - struct snd_ad1848 ** rchip) + struct snd_wss **rchip) { static struct snd_device_ops ops = { .dev_free = snd_ad1848_dev_free, }; - struct snd_ad1848 *chip; + struct snd_wss *chip; int err; *rchip = NULL; @@ -875,7 +878,9 @@ int snd_ad1848_create(struct snd_card *card, chip->card = card; chip->port = port; chip->irq = -1; - chip->dma = -1; + chip->dma1 = -1; + chip->dma2 = -1; + chip->single_dma = 1; chip->hardware = hardware; memcpy(&chip->image, &snd_ad1848_original_image, sizeof(snd_ad1848_original_image)); @@ -895,7 +900,8 @@ int snd_ad1848_create(struct snd_card *card, snd_ad1848_free(chip); return -EBUSY; } - chip->dma = dma; + chip->dma1 = dma; + chip->dma2 = dma; if (hardware == AD1848_HW_THINKPAD) { chip->thinkpad_flag = 1; @@ -947,7 +953,7 @@ static struct snd_pcm_ops snd_ad1848_capture_ops = { .pointer = snd_ad1848_capture_pointer, }; -int snd_ad1848_pcm(struct snd_ad1848 *chip, int device, struct snd_pcm **rpcm) +int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) { struct snd_pcm *pcm; int err; @@ -964,7 +970,9 @@ int snd_ad1848_pcm(struct snd_ad1848 *chip, int device, struct snd_pcm **rpcm) snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), - 64*1024, chip->dma > 3 ? 128*1024 : 64*1024); + 64 * 1024, + chip->dma1 > 3 ? + 128 * 1024 : 64 * 1024); chip->pcm = pcm; if (rpcm) @@ -1003,7 +1011,7 @@ static int snd_ad1848_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_ele static int snd_ad1848_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; spin_lock_irqsave(&chip->reg_lock, flags); @@ -1015,7 +1023,7 @@ static int snd_ad1848_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem static int snd_ad1848_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; unsigned short left, right; int change; @@ -1049,7 +1057,7 @@ static int snd_ad1848_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_ad1848_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -1066,7 +1074,7 @@ static int snd_ad1848_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_ad1848_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; @@ -1100,7 +1108,7 @@ static int snd_ad1848_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_ static int snd_ad1848_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -1122,7 +1130,7 @@ static int snd_ad1848_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); + struct snd_wss *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int left_reg = kcontrol->private_value & 0xff; int right_reg = (kcontrol->private_value >> 8) & 0xff; @@ -1159,7 +1167,7 @@ static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e /* */ -int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, +int snd_ad1848_add_ctl_elem(struct snd_wss *chip, const struct ad1848_mix_elem *c) { static struct snd_kcontrol_new newctls[] = { @@ -1227,7 +1235,7 @@ AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0, db_scale_6bit), }; -int snd_ad1848_mixer(struct snd_ad1848 *chip) +int snd_ad1848_mixer(struct snd_wss *chip) { struct snd_card *card; struct snd_pcm *pcm; diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index 4d198ec71e9b..aefd2f4a0572 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -151,7 +151,7 @@ struct snd_cmi8330 { struct pnp_dev *play; #endif struct snd_card *card; - struct snd_ad1848 *wss; + struct snd_wss *wss; struct snd_sb *sb; struct snd_pcm *pcm; diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index fefb8597717c..ff9baf751b22 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -706,13 +706,9 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) static long possible_ports[] = {0x530, 0xe80, 0xf40, 0x604, -1}; int error; struct snd_opti9xx *chip = card->private_data; -#if defined(CS4231) || defined(OPTi93X) struct snd_wss *codec; #ifdef CS4231 struct snd_timer *timer; -#endif -#else - struct snd_ad1848 *codec; #endif struct snd_pcm *pcm; struct snd_rawmidi *rmidi; diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index da3d152bcad4..1771f15d6d3c 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -397,7 +397,7 @@ static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma, return 0; } -static int __devinit snd_sc6000_mixer(struct snd_ad1848 *chip) +static int __devinit snd_sc6000_mixer(struct snd_wss *chip) { struct snd_card *card = chip->card; struct snd_ctl_elem_id id1, id2; @@ -483,7 +483,7 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) int xirq = irq[dev]; int xdma = dma[dev]; struct snd_card *card; - struct snd_ad1848 *chip; + struct snd_wss *chip; struct snd_opl3 *opl3; char __iomem *vport; char __iomem *vmss_port; diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index a07274ecb149..879c00c566ba 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -180,7 +180,7 @@ AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7 AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0) }; -static int __devinit snd_sgalaxy_mixer(struct snd_ad1848 *chip) +static int __devinit snd_sgalaxy_mixer(struct snd_wss *chip) { struct snd_card *card = chip->card; struct snd_ctl_elem_id id1, id2; @@ -237,7 +237,7 @@ static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) static int possible_dmas[] = {1, 3, 0, -1}; int err, xirq, xdma1; struct snd_card *card; - struct snd_ad1848 *chip; + struct snd_wss *chip; card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); if (card == NULL) @@ -312,7 +312,7 @@ static int snd_sgalaxy_suspend(struct device *pdev, unsigned int n, pm_message_t state) { struct snd_card *card = dev_get_drvdata(pdev); - struct snd_ad1848 *chip = card->private_data; + struct snd_wss *chip = card->private_data; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); chip->suspend(chip); @@ -322,7 +322,7 @@ static int snd_sgalaxy_suspend(struct device *pdev, unsigned int n, static int snd_sgalaxy_resume(struct device *pdev, unsigned int n) { struct snd_card *card = dev_get_drvdata(pdev); - struct snd_ad1848 *chip = card->private_data; + struct snd_wss *chip = card->private_data; chip->resume(chip); snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]); -- GitLab From ece11c9b6db5b96179df8eb9cdc54c78953a4c0f Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:05:44 +0200 Subject: [PATCH 0259/6244] ALSA: wss_lib: use wss constants instead of ad1848 ones Use wss constants for mode. Move ad1848 hardware constants to the wss.h. Move mixer tlv macros into the ad1848_lib.c from the ad1848.h. Drop the MODE_RUNNING spurious IRQ guard on AD1848 as it doesn not seem to be needed. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 32 -------------------- include/sound/wss.h | 6 ++++ sound/isa/ad1848/ad1848.c | 2 +- sound/isa/ad1848/ad1848_lib.c | 48 +++++++++++++++++++----------- sound/isa/cmi8330.c | 4 +-- sound/isa/opti9xx/opti92x-ad1848.c | 2 +- sound/isa/sc6000.c | 2 +- sound/isa/sgalaxy.c | 2 +- 8 files changed, 42 insertions(+), 56 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index d740e633e81b..a881d5173c64 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -106,24 +106,6 @@ #define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ #define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */ -/* defines for codec.mode */ - -#define AD1848_MODE_NONE 0x0000 -#define AD1848_MODE_PLAY 0x0001 -#define AD1848_MODE_CAPTURE 0x0002 -#define AD1848_MODE_TIMER 0x0004 -#define AD1848_MODE_OPEN (AD1848_MODE_PLAY|AD1848_MODE_CAPTURE|AD1848_MODE_TIMER) -#define AD1848_MODE_RUNNING 0x0010 - -/* defines for codec.hardware */ - -#define AD1848_HW_DETECT 0x0000 /* let AD1848 driver detect chip */ -#define AD1848_HW_AD1847 0x0001 /* AD1847 chip */ -#define AD1848_HW_AD1848 0x0002 /* AD1848 chip */ -#define AD1848_HW_CS4248 0x0003 /* CS4248 chip */ -#define AD1848_HW_CMI8330 0x0004 /* CMI8330 chip */ -#define AD1848_HW_THINKPAD 0x0005 /* Thinkpad 360/750/755 */ - /* IBM Thinkpad specific stuff */ #define AD1848_THINKPAD_CTL_PORT1 0x15e8 #define AD1848_THINKPAD_CTL_PORT2 0x15e9 @@ -167,26 +149,12 @@ struct ad1848_mix_elem { .type = AD1848_MIX_SINGLE, \ .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } -#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ -{ .name = xname, \ - .index = xindex, \ - .type = AD1848_MIX_SINGLE, \ - .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ - .tlv = xtlv } - #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ { .name = xname, \ .index = xindex, \ .type = AD1848_MIX_DOUBLE, \ .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } -#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ -{ .name = xname, \ - .index = xindex, \ - .type = AD1848_MIX_DOUBLE, \ - .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ - .tlv = xtlv } - int snd_ad1848_add_ctl_elem(struct snd_wss *chip, const struct ad1848_mix_elem *c); diff --git a/include/sound/wss.h b/include/sound/wss.h index 1e0dc77f0d25..2cc1f1462d8e 100644 --- a/include/sound/wss.h +++ b/include/sound/wss.h @@ -55,6 +55,12 @@ #define WSS_HW_CS4237B 0x0402 /* CS4237B - SRS 3D */ #define WSS_HW_CS4238B 0x0403 /* CS4238B - QSOUND 3D */ #define WSS_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */ +#define WSS_HW_AD1848_MASK 0x0800 /* AD1848 serie (half duplex) */ +#define WSS_HW_AD1847 0x0801 /* AD1847 chip */ +#define WSS_HW_AD1848 0x0802 /* AD1848 chip */ +#define WSS_HW_CS4248 0x0803 /* CS4248 chip */ +#define WSS_HW_CMI8330 0x0804 /* CMI8330 chip */ +#define WSS_HW_THINKPAD 0x0805 /* Thinkpad 360/750/755 */ /* compatible, but clones */ #define WSS_HW_INTERWAVE 0x1000 /* InterWave chip */ #define WSS_HW_OPL3SA2 0x1101 /* OPL3-SA2 chip, similar to cs4231 */ diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c index 74db24ae6509..40de24b280d3 100644 --- a/sound/isa/ad1848/ad1848.c +++ b/sound/isa/ad1848/ad1848.c @@ -96,7 +96,7 @@ static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) return -EINVAL; error = snd_ad1848_create(card, port[n], irq[n], dma1[n], - thinkpad[n] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT, &chip); + thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, &chip); if (error < 0) goto out; diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index e25fadffdb55..5aa8f6dae75b 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -283,14 +283,12 @@ static int snd_ad1848_trigger(struct snd_wss *chip, unsigned char what, return 0; } snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] |= what); - chip->mode |= AD1848_MODE_RUNNING; } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { if (!(chip->image[AD1848_IFACE_CTRL] & what)) { spin_unlock(&chip->reg_lock); return 0; } snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] &= ~what); - chip->mode &= ~AD1848_MODE_RUNNING; } else { result = -EINVAL; } @@ -378,7 +376,7 @@ static int snd_ad1848_open(struct snd_wss *chip, unsigned int mode) { unsigned long flags; - if (chip->mode & AD1848_MODE_OPEN) + if (chip->mode & WSS_MODE_OPEN) return -EAGAIN; snd_ad1848_mce_down(chip); @@ -570,11 +568,9 @@ static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) { struct snd_wss *chip = dev_id; - if ((chip->mode & AD1848_MODE_PLAY) && chip->playback_substream && - (chip->mode & AD1848_MODE_RUNNING)) + if ((chip->mode & WSS_MODE_PLAY) && chip->playback_substream) snd_pcm_period_elapsed(chip->playback_substream); - if ((chip->mode & AD1848_MODE_CAPTURE) && chip->capture_substream && - (chip->mode & AD1848_MODE_RUNNING)) + if ((chip->mode & WSS_MODE_RECORD) && chip->capture_substream) snd_pcm_period_elapsed(chip->capture_substream); outb(0, AD1848P(chip, STATUS)); /* clear global interrupt bit */ return IRQ_HANDLED; @@ -690,19 +686,19 @@ static int snd_ad1848_probe(struct snd_wss *chip) } if (id != 1) return -ENODEV; /* no valid device found */ - if (chip->hardware == AD1848_HW_DETECT) { + if (chip->hardware == WSS_HW_DETECT) { if (ad1847) { - chip->hardware = AD1848_HW_AD1847; + chip->hardware = WSS_HW_AD1847; } else { - chip->hardware = AD1848_HW_AD1848; + chip->hardware = WSS_HW_AD1848; rev = snd_ad1848_in(chip, AD1848_MISC_INFO); if (rev & 0x80) { - chip->hardware = AD1848_HW_CS4248; + chip->hardware = WSS_HW_CS4248; } else if ((rev & 0x0f) == 0x0a) { snd_ad1848_out(chip, AD1848_MISC_INFO, 0x40); for (i = 0; i < 16; ++i) { if (snd_ad1848_in(chip, i) != snd_ad1848_in(chip, i + 16)) { - chip->hardware = AD1848_HW_CMI8330; + chip->hardware = WSS_HW_CMI8330; break; } } @@ -782,7 +778,8 @@ static int snd_ad1848_playback_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err; - if ((err = snd_ad1848_open(chip, AD1848_MODE_PLAY)) < 0) + err = snd_ad1848_open(chip, WSS_MODE_PLAY); + if (err < 0) return err; chip->playback_substream = substream; runtime->hw = snd_ad1848_playback; @@ -798,7 +795,8 @@ static int snd_ad1848_capture_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; int err; - if ((err = snd_ad1848_open(chip, AD1848_MODE_CAPTURE)) < 0) + err = snd_ad1848_open(chip, WSS_MODE_RECORD); + if (err < 0) return err; chip->capture_substream = substream; runtime->hw = snd_ad1848_capture; @@ -812,7 +810,7 @@ static int snd_ad1848_playback_close(struct snd_pcm_substream *substream) { struct snd_wss *chip = snd_pcm_substream_chip(substream); - chip->mode &= ~AD1848_MODE_PLAY; + chip->mode &= ~WSS_MODE_PLAY; chip->playback_substream = NULL; snd_ad1848_close(chip); return 0; @@ -822,7 +820,7 @@ static int snd_ad1848_capture_close(struct snd_pcm_substream *substream) { struct snd_wss *chip = snd_pcm_substream_chip(substream); - chip->mode &= ~AD1848_MODE_CAPTURE; + chip->mode &= ~WSS_MODE_RECORD; chip->capture_substream = NULL; snd_ad1848_close(chip); return 0; @@ -903,9 +901,9 @@ int snd_ad1848_create(struct snd_card *card, chip->dma1 = dma; chip->dma2 = dma; - if (hardware == AD1848_HW_THINKPAD) { + if (hardware == WSS_HW_THINKPAD) { chip->thinkpad_flag = 1; - chip->hardware = AD1848_HW_DETECT; /* reset */ + chip->hardware = WSS_HW_DETECT; /* reset */ snd_ad1848_thinkpad_twiddle(chip, 1); } @@ -1214,6 +1212,20 @@ static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); +#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ +{ .name = xname, \ + .index = xindex, \ + .type = AD1848_MIX_SINGLE, \ + .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ + .tlv = xtlv } + +#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ +{ .name = xname, \ + .index = xindex, \ + .type = AD1848_MIX_DOUBLE, \ + .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ + .tlv = xtlv } + static struct ad1848_mix_elem snd_ad1848_controls[] = { AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index aefd2f4a0572..af6ba129910e 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -465,12 +465,12 @@ static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev) wssport[dev] + 4, wssirq[dev], wssdma[dev], - AD1848_HW_DETECT, + WSS_HW_DETECT, &acard->wss)) < 0) { snd_printk(KERN_ERR PFX "(AD1848) device busy??\n"); return err; } - if (acard->wss->hardware != AD1848_HW_CMI8330) { + if (acard->wss->hardware != WSS_HW_CMI8330) { snd_printk(KERN_ERR PFX "(AD1848) not found during probe\n"); return -ENODEV; } diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index ff9baf751b22..1f6d6fcd6e57 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -775,7 +775,7 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) #else if ((error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, chip->dma1, - AD1848_HW_DETECT, &codec)) < 0) + WSS_HW_DETECT, &codec)) < 0) return error; if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) return error; diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index 1771f15d6d3c..0b6cf472ddcb 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -549,7 +549,7 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) goto err_unmap2; err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma, - AD1848_HW_DETECT, &chip); + WSS_HW_DETECT, &chip); if (err < 0) goto err_unmap2; card->private_data = chip; diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index 879c00c566ba..9a5a7cc0e607 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -265,7 +265,7 @@ static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) if ((err = snd_ad1848_create(card, wssport[dev] + 4, xirq, xdma1, - AD1848_HW_DETECT, &chip)) < 0) + WSS_HW_DETECT, &chip)) < 0) goto _err; card->private_data = chip; -- GitLab From 0c5e3e98220e743f8ac095249b09ca8c87bd655b Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:06:46 +0200 Subject: [PATCH 0260/6244] ALSA: wss_lib: replace ad1848 mixer element macros with wss ones Use the wss macros instead of ad1848 ones. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 32 --------- sound/isa/ad1848/ad1848_lib.c | 123 ++++++++++++++-------------------- sound/isa/cmi8330.c | 82 +++++++++++++++-------- sound/isa/sgalaxy.c | 12 ++-- 4 files changed, 114 insertions(+), 135 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index a881d5173c64..1271e0dada90 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -126,36 +126,4 @@ int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); int snd_ad1848_mixer(struct snd_wss *chip); -/* exported mixer stuffs */ -enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; - -#define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \ - ((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24)) -#define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ - ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) - -/* for ease of use */ -struct ad1848_mix_elem { - const char *name; - int index; - int type; - unsigned long private_value; - const unsigned int *tlv; -}; - -#define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ -{ .name = xname, \ - .index = xindex, \ - .type = AD1848_MIX_SINGLE, \ - .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } - -#define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ -{ .name = xname, \ - .index = xindex, \ - .type = AD1848_MIX_DOUBLE, \ - .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } - -int snd_ad1848_add_ctl_elem(struct snd_wss *chip, - const struct ad1848_mix_elem *c); - #endif /* __SOUND_AD1848_H */ diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 5aa8f6dae75b..4f7aaf4e0989 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -1163,88 +1163,64 @@ static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e return change; } -/* - */ -int snd_ad1848_add_ctl_elem(struct snd_wss *chip, - const struct ad1848_mix_elem *c) -{ - static struct snd_kcontrol_new newctls[] = { - [AD1848_MIX_SINGLE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_single, - .get = snd_ad1848_get_single, - .put = snd_ad1848_put_single, - }, - [AD1848_MIX_DOUBLE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_double, - .get = snd_ad1848_get_double, - .put = snd_ad1848_put_double, - }, - [AD1848_MIX_CAPTURE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_mux, - .get = snd_ad1848_get_mux, - .put = snd_ad1848_put_mux, - }, - }; - struct snd_kcontrol *ctl; - int err; - - ctl = snd_ctl_new1(&newctls[c->type], chip); - if (! ctl) - return -ENOMEM; - strlcpy(ctl->id.name, c->name, sizeof(ctl->id.name)); - ctl->id.index = c->index; - ctl->private_value = c->private_value; - if (c->tlv) { - ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; - ctl->tlv.p = c->tlv; - } - if ((err = snd_ctl_add(chip->card, ctl)) < 0) - return err; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_add_ctl_elem); - static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); #define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ -{ .name = xname, \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ + .name = xname, \ .index = xindex, \ - .type = AD1848_MIX_SINGLE, \ - .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ - .tlv = xtlv } + .info = snd_ad1848_info_single, \ + .get = snd_ad1848_get_single, \ + .put = snd_ad1848_put_single, \ + .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ + .tlv = { .p = (xtlv) } } #define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ -{ .name = xname, \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ + .name = xname, \ .index = xindex, \ - .type = AD1848_MIX_DOUBLE, \ - .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ - .tlv = xtlv } - -static struct ad1848_mix_elem snd_ad1848_controls[] = { -AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, - db_scale_6bit), -AD1848_DOUBLE("Aux Playback Switch", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -AD1848_DOUBLE("Aux Playback Switch", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -AD1848_DOUBLE_TLV("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0, - db_scale_rec_gain), + .info = snd_ad1848_info_double, \ + .get = snd_ad1848_get_double, \ + .put = snd_ad1848_put_double, \ + .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ + (shift_right << 19) | (mask << 24) | (invert << 22), \ + .tlv = { .p = (xtlv) } } + +static struct snd_kcontrol_new snd_ad1848_controls[] = { +WSS_DOUBLE("PCM Playback Switch", 0, + AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), +AD1848_DOUBLE_TLV("PCM Playback Volume", 0, + AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, + db_scale_6bit), +WSS_DOUBLE("Aux Playback Switch", 0, + AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +AD1848_DOUBLE_TLV("Aux Playback Volume", 0, + AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), +WSS_DOUBLE("Aux Playback Switch", 1, + AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +AD1848_DOUBLE_TLV("Aux Playback Volume", 1, + AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), +AD1848_DOUBLE_TLV("Capture Volume", 0, + AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0, + db_scale_rec_gain), { .name = "Capture Source", - .type = AD1848_MIX_CAPTURE, + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = snd_ad1848_info_mux, + .get = snd_ad1848_get_mux, + .put = snd_ad1848_put_mux, }, -AD1848_SINGLE("Loopback Capture Switch", 0, AD1848_LOOPBACK, 0, 1, 0), -AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0, - db_scale_6bit), +WSS_SINGLE("Loopback Capture Switch", 0, + AD1848_LOOPBACK, 0, 1, 0), +AD1848_SINGLE_TLV("Loopback Capture Volume", 0, + AD1848_LOOPBACK, 1, 63, 0, + db_scale_6bit), }; int snd_ad1848_mixer(struct snd_wss *chip) @@ -1261,9 +1237,12 @@ int snd_ad1848_mixer(struct snd_wss *chip) strcpy(card->mixername, pcm->name); - for (idx = 0; idx < ARRAY_SIZE(snd_ad1848_controls); idx++) - if ((err = snd_ad1848_add_ctl_elem(chip, &snd_ad1848_controls[idx])) < 0) + for (idx = 0; idx < ARRAY_SIZE(snd_ad1848_controls); idx++) { + err = snd_ctl_add(card, + snd_ctl_new1(&snd_ad1848_controls[idx], chip)); + if (err < 0) return err; + } return 0; } diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index af6ba129910e..ca6f602f15c2 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -174,32 +174,57 @@ MODULE_DEVICE_TABLE(pnp_card, snd_cmi8330_pnpids); #endif -static struct ad1848_mix_elem snd_cmi8330_controls[] __devinitdata = { -AD1848_DOUBLE("Master Playback Volume", 0, CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0), -AD1848_SINGLE("Loud Playback Switch", 0, CMI8330_MUTEMUX, 6, 1, 1), -AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), -AD1848_DOUBLE("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1), -AD1848_DOUBLE("Line Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0), -AD1848_DOUBLE("Line Playback Volume", 0, CMI8330_LINVOL, CMI8330_LINVOL, 4, 0, 15, 0), -AD1848_DOUBLE("Line Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 2, 1, 1, 0), -AD1848_DOUBLE("Line Capture Volume", 0, CMI8330_LINGAIN, CMI8330_LINGAIN, 4, 0, 15, 0), -AD1848_DOUBLE("CD Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 2, 1, 1, 0), -AD1848_DOUBLE("CD Capture Switch", 0, CMI8330_RMUX3D, CMI8330_RMUX3D, 4, 3, 1, 0), -AD1848_DOUBLE("CD Playback Volume", 0, CMI8330_CDINVOL, CMI8330_CDINVOL, 4, 0, 15, 0), -AD1848_DOUBLE("CD Capture Volume", 0, CMI8330_CDINGAIN, CMI8330_CDINGAIN, 4, 0, 15, 0), -AD1848_SINGLE("Mic Playback Switch", 0, CMI8330_MUTEMUX, 0, 1, 0), -AD1848_SINGLE("Mic Playback Volume", 0, CMI8330_OUTPUTVOL, 0, 7, 0), -AD1848_SINGLE("Mic Capture Switch", 0, CMI8330_RMUX3D, 0, 1, 0), -AD1848_SINGLE("Mic Capture Volume", 0, CMI8330_OUTPUTVOL, 5, 7, 0), -AD1848_DOUBLE("Wavetable Playback Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 1, 0, 1, 0), -AD1848_DOUBLE("Wavetable Playback Volume", 0, CMI8330_WAVVOL, CMI8330_WAVVOL, 4, 0, 15, 0), -AD1848_DOUBLE("Wavetable Capture Switch", 0, CMI8330_RECMUX, CMI8330_RECMUX, 5, 4, 1, 0), -AD1848_DOUBLE("Wavetable Capture Volume", 0, CMI8330_WAVGAIN, CMI8330_WAVGAIN, 4, 0, 15, 0), -AD1848_SINGLE("3D Control - Switch", 0, CMI8330_RMUX3D, 5, 1, 1), -AD1848_SINGLE("PC Speaker Playback Volume", 0, CMI8330_OUTPUTVOL, 3, 3, 0), -AD1848_SINGLE("FM Playback Switch", 0, CMI8330_RECMUX, 3, 1, 1), -AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",CAPTURE,SWITCH), 0, CMI8330_RMUX3D, 7, 1, 1), -AD1848_SINGLE(SNDRV_CTL_NAME_IEC958("Input ",PLAYBACK,SWITCH), 0, CMI8330_MUTEMUX, 7, 1, 1), +static struct snd_kcontrol_new snd_cmi8330_controls[] __devinitdata = { +WSS_DOUBLE("Master Playback Volume", 0, + CMI8330_MASTVOL, CMI8330_MASTVOL, 4, 0, 15, 0), +WSS_SINGLE("Loud Playback Switch", 0, + CMI8330_MUTEMUX, 6, 1, 1), +WSS_DOUBLE("PCM Playback Switch", 0, + AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), +WSS_DOUBLE("PCM Playback Volume", 0, + AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1), +WSS_DOUBLE("Line Playback Switch", 0, + CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0), +WSS_DOUBLE("Line Playback Volume", 0, + CMI8330_LINVOL, CMI8330_LINVOL, 4, 0, 15, 0), +WSS_DOUBLE("Line Capture Switch", 0, + CMI8330_RMUX3D, CMI8330_RMUX3D, 2, 1, 1, 0), +WSS_DOUBLE("Line Capture Volume", 0, + CMI8330_LINGAIN, CMI8330_LINGAIN, 4, 0, 15, 0), +WSS_DOUBLE("CD Playback Switch", 0, + CMI8330_MUTEMUX, CMI8330_MUTEMUX, 2, 1, 1, 0), +WSS_DOUBLE("CD Capture Switch", 0, + CMI8330_RMUX3D, CMI8330_RMUX3D, 4, 3, 1, 0), +WSS_DOUBLE("CD Playback Volume", 0, + CMI8330_CDINVOL, CMI8330_CDINVOL, 4, 0, 15, 0), +WSS_DOUBLE("CD Capture Volume", 0, + CMI8330_CDINGAIN, CMI8330_CDINGAIN, 4, 0, 15, 0), +WSS_SINGLE("Mic Playback Switch", 0, + CMI8330_MUTEMUX, 0, 1, 0), +WSS_SINGLE("Mic Playback Volume", 0, + CMI8330_OUTPUTVOL, 0, 7, 0), +WSS_SINGLE("Mic Capture Switch", 0, + CMI8330_RMUX3D, 0, 1, 0), +WSS_SINGLE("Mic Capture Volume", 0, + CMI8330_OUTPUTVOL, 5, 7, 0), +WSS_DOUBLE("Wavetable Playback Switch", 0, + CMI8330_RECMUX, CMI8330_RECMUX, 1, 0, 1, 0), +WSS_DOUBLE("Wavetable Playback Volume", 0, + CMI8330_WAVVOL, CMI8330_WAVVOL, 4, 0, 15, 0), +WSS_DOUBLE("Wavetable Capture Switch", 0, + CMI8330_RECMUX, CMI8330_RECMUX, 5, 4, 1, 0), +WSS_DOUBLE("Wavetable Capture Volume", 0, + CMI8330_WAVGAIN, CMI8330_WAVGAIN, 4, 0, 15, 0), +WSS_SINGLE("3D Control - Switch", 0, + CMI8330_RMUX3D, 5, 1, 1), +WSS_SINGLE("PC Speaker Playback Volume", 0, + CMI8330_OUTPUTVOL, 3, 3, 0), +WSS_SINGLE("FM Playback Switch", 0, + CMI8330_RECMUX, 3, 1, 1), +WSS_SINGLE(SNDRV_CTL_NAME_IEC958("Input ", CAPTURE, SWITCH), 0, + CMI8330_RMUX3D, 7, 1, 1), +WSS_SINGLE(SNDRV_CTL_NAME_IEC958("Input ", PLAYBACK, SWITCH), 0, + CMI8330_MUTEMUX, 7, 1, 1), }; #ifdef ENABLE_SB_MIXER @@ -268,7 +293,10 @@ static int __devinit snd_cmi8330_mixer(struct snd_card *card, struct snd_cmi8330 strcpy(card->mixername, "CMI8330/C3D"); for (idx = 0; idx < ARRAY_SIZE(snd_cmi8330_controls); idx++) { - if ((err = snd_ad1848_add_ctl_elem(acard->wss, &snd_cmi8330_controls[idx])) < 0) + err = snd_ctl_add(card, + snd_ctl_new1(&snd_cmi8330_controls[idx], + acard->wss)); + if (err < 0) return err; } diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index 9a5a7cc0e607..5894b2d4db64 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -175,9 +175,11 @@ static int __devinit snd_sgalaxy_detect(int dev, int irq, int dma) return snd_sgalaxy_setup_wss(wssport[dev], irq, dma); } -static struct ad1848_mix_elem snd_sgalaxy_controls[] = { -AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1), -AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0) +static struct snd_kcontrol_new snd_sgalaxy_controls[] = { +WSS_DOUBLE("Aux Playback Switch", 0, + SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1), +WSS_DOUBLE("Aux Playback Volume", 0, + SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0) }; static int __devinit snd_sgalaxy_mixer(struct snd_wss *chip) @@ -210,7 +212,9 @@ static int __devinit snd_sgalaxy_mixer(struct snd_wss *chip) return err; /* build AUX2 input */ for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) { - if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0) + err = snd_ctl_add(card, + snd_ctl_new1(&snd_sgalaxy_controls[idx], chip)); + if (err < 0) return err; } return 0; -- GitLab From 811585e9d1769d6e282852fc0675735209547ca0 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:07:30 +0200 Subject: [PATCH 0261/6244] ALSA: wss_lib: use CS4231P instead of AD1848P (kill the AD1848P) Use CS4231P instead of AD1848P (kill the AD1848P). Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 9 --- sound/isa/ad1848/ad1848_lib.c | 104 ++++++++++++++++++---------------- 2 files changed, 55 insertions(+), 58 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index 1271e0dada90..29f63b786351 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -27,15 +27,6 @@ #include "wss.h" /* temporary till the driver is removed */ -/* IO ports */ - -#define AD1848P( chip, x ) ( (chip) -> port + c_d_c_AD1848##x ) - -#define c_d_c_AD1848REGSEL 0 -#define c_d_c_AD1848REG 1 -#define c_d_c_AD1848STATUS 2 -#define c_d_c_AD1848PIO 3 - /* codec registers */ #define AD1848_LEFT_INPUT 0x00 /* left input control */ diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 4f7aaf4e0989..07756fa36947 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -103,7 +103,7 @@ static void snd_ad1848_wait(struct snd_wss *chip) int timeout; for (timeout = 250; timeout > 0; timeout--) { - if ((inb(AD1848P(chip, REGSEL)) & AD1848_INIT) == 0) + if ((inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) == 0) break; udelay(100); } @@ -115,12 +115,12 @@ void snd_ad1848_out(struct snd_wss *chip, { snd_ad1848_wait(chip); #ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) + if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) snd_printk(KERN_WARNING "auto calibration time out - " "reg = 0x%x, value = 0x%x\n", reg, value); #endif - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); - outb(chip->image[reg] = value, AD1848P(chip, REG)); + outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); + outb(chip->image[reg] = value, chip->port + CS4231P(REG)); mb(); snd_printdd("codec out - reg 0x%x = 0x%x\n", chip->mce_bit | reg, value); @@ -132,8 +132,8 @@ static void snd_ad1848_dout(struct snd_wss *chip, unsigned char reg, unsigned char value) { snd_ad1848_wait(chip); - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); - outb(value, AD1848P(chip, REG)); + outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); + outb(value, chip->port + CS4231P(REG)); mb(); } @@ -141,37 +141,37 @@ static unsigned char snd_ad1848_in(struct snd_wss *chip, unsigned char reg) { snd_ad1848_wait(chip); #ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) + if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) snd_printk(KERN_WARNING "auto calibration time out - " "reg = 0x%x\n", reg); #endif - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); + outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); mb(); - return inb(AD1848P(chip, REG)); + return inb(chip->port + CS4231P(REG)); } #if 0 static void snd_ad1848_debug(struct snd_wss *chip) { - printk("AD1848 REGS: INDEX = 0x%02x ", inb(AD1848P(chip, REGSEL))); - printk(" STATUS = 0x%02x\n", inb(AD1848P(chip, STATUS))); - printk(" 0x00: left input = 0x%02x ", snd_ad1848_in(chip, 0x00)); - printk(" 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip, 0x08)); - printk(" 0x01: right input = 0x%02x ", snd_ad1848_in(chip, 0x01)); - printk(" 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip, 0x09)); - printk(" 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip, 0x02)); - printk(" 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip, 0x0a)); - printk(" 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip, 0x03)); - printk(" 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip, 0x0b)); - printk(" 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip, 0x04)); - printk(" 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip, 0x0c)); - printk(" 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip, 0x05)); - printk(" 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip, 0x0d)); - printk(" 0x06: left output = 0x%02x ", snd_ad1848_in(chip, 0x06)); - printk(" 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip, 0x0e)); - printk(" 0x07: right output = 0x%02x ", snd_ad1848_in(chip, 0x07)); - printk(" 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip, 0x0f)); + printk(KERN_DEBUG "AD1848 REGS: INDEX = 0x%02x ", inb(chip->port + CS4231P(REGSEL))); + printk(KERN_DEBUG " STATUS = 0x%02x\n", inb(chip->port + CS4231P(STATUS))); + printk(KERN_DEBUG " 0x00: left input = 0x%02x ", snd_ad1848_in(chip, 0x00)); + printk(KERN_DEBUG " 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip, 0x08)); + printk(KERN_DEBUG " 0x01: right input = 0x%02x ", snd_ad1848_in(chip, 0x01)); + printk(KERN_DEBUG " 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip, 0x09)); + printk(KERN_DEBUG " 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip, 0x02)); + printk(KERN_DEBUG " 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip, 0x0a)); + printk(KERN_DEBUG " 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip, 0x03)); + printk(KERN_DEBUG " 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip, 0x0b)); + printk(KERN_DEBUG " 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip, 0x04)); + printk(KERN_DEBUG " 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip, 0x0c)); + printk(KERN_DEBUG " 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip, 0x05)); + printk(KERN_DEBUG " 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip, 0x0d)); + printk(KERN_DEBUG " 0x06: left output = 0x%02x ", snd_ad1848_in(chip, 0x06)); + printk(KERN_DEBUG " 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip, 0x0e)); + printk(KERN_DEBUG " 0x07: right output = 0x%02x ", snd_ad1848_in(chip, 0x07)); + printk(KERN_DEBUG " 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip, 0x0f)); } #endif @@ -187,16 +187,17 @@ static void snd_ad1848_mce_up(struct snd_wss *chip) snd_ad1848_wait(chip); #ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) + if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) snd_printk(KERN_WARNING "mce_up - auto calibration time out (0)\n"); #endif spin_lock_irqsave(&chip->reg_lock, flags); chip->mce_bit |= AD1848_MCE; - timeout = inb(AD1848P(chip, REGSEL)); + timeout = inb(chip->port + CS4231P(REGSEL)); if (timeout == 0x80) snd_printk(KERN_WARNING "mce_up [0x%lx]: serious init problem - codec still busy\n", chip->port); if (!(timeout & AD1848_MCE)) - outb(chip->mce_bit | (timeout & 0x1f), AD1848P(chip, REGSEL)); + outb(chip->mce_bit | (timeout & 0x1f), + chip->port + CS4231P(REGSEL)); spin_unlock_irqrestore(&chip->reg_lock, flags); } @@ -207,21 +208,25 @@ static void snd_ad1848_mce_down(struct snd_wss *chip) spin_lock_irqsave(&chip->reg_lock, flags); for (timeout = 5; timeout > 0; timeout--) - inb(AD1848P(chip, REGSEL)); + inb(chip->port + CS4231P(REGSEL)); /* end of cleanup sequence */ - for (timeout = 12000; timeout > 0 && (inb(AD1848P(chip, REGSEL)) & AD1848_INIT); timeout--) + for (timeout = 12000; + timeout > 0 && (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT); + timeout--) udelay(100); snd_printdd("(1) timeout = %ld\n", timeout); #ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "mce_down [0x%lx] - auto calibration time out (0)\n", AD1848P(chip, REGSEL)); + if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) + snd_printk(KERN_WARNING + "mce_down [0x%lx] - auto calibration time out (0)\n", + chip->port + CS4231P(REGSEL)); #endif chip->mce_bit &= ~AD1848_MCE; - reg = inb(AD1848P(chip, REGSEL)); - outb(chip->mce_bit | (reg & 0x1f), AD1848P(chip, REGSEL)); + reg = inb(chip->port + CS4231P(REGSEL)); + outb(chip->mce_bit | (reg & 0x1f), chip->port + CS4231P(REGSEL)); if (reg == 0x80) snd_printk(KERN_WARNING "mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port); if ((reg & AD1848_MCE) == 0) { @@ -252,7 +257,8 @@ static void snd_ad1848_mce_down(struct snd_wss *chip) "mce_down - auto calibration time out (2)\n"); snd_printdd("(4) jiffies = %lu\n", jiffies); - snd_printd("mce_down - exit = 0x%x\n", inb(AD1848P(chip, REGSEL))); + snd_printd("mce_down - exit = 0x%x\n", + inb(chip->port + CS4231P(REGSEL))); } static unsigned int snd_ad1848_get_count(unsigned char format, @@ -412,8 +418,8 @@ static int snd_ad1848_open(struct snd_wss *chip, unsigned int mode) /* ok. now enable and ack CODEC IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ chip->image[AD1848_PIN_CTRL] |= AD1848_IRQ_ENABLE; snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); spin_unlock_irqrestore(&chip->reg_lock, flags); @@ -431,8 +437,8 @@ static void snd_ad1848_close(struct snd_wss *chip) return; /* disable IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ chip->image[AD1848_PIN_CTRL] &= ~AD1848_IRQ_ENABLE; snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); spin_unlock_irqrestore(&chip->reg_lock, flags); @@ -449,8 +455,8 @@ static void snd_ad1848_close(struct snd_wss *chip) /* clear IRQ again */ spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ + outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ spin_unlock_irqrestore(&chip->reg_lock, flags); chip->mode = 0; @@ -572,7 +578,7 @@ static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) snd_pcm_period_elapsed(chip->playback_substream); if ((chip->mode & WSS_MODE_RECORD) && chip->capture_substream) snd_pcm_period_elapsed(chip->capture_substream); - outb(0, AD1848P(chip, STATUS)); /* clear global interrupt bit */ + outb(0, chip->port + CS4231P(STATUS)); /* clear global interrupt bit */ return IRQ_HANDLED; } @@ -638,8 +644,8 @@ static void snd_ad1848_resume(struct snd_wss *chip) snd_ad1848_thinkpad_twiddle(chip, 1); /* clear any pendings IRQ */ - inb(AD1848P(chip, STATUS)); - outb(0, AD1848P(chip, STATUS)); + inb(chip->port + CS4231P(STATUS)); + outb(0, chip->port + CS4231P(STATUS)); mb(); snd_ad1848_mce_down(chip); @@ -662,7 +668,7 @@ static int snd_ad1848_probe(struct snd_wss *chip) id = ad1847 = 0; for (i = 0; i < 1000; i++) { mb(); - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) + if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) udelay(500); else { spin_lock_irqsave(&chip->reg_lock, flags); @@ -707,8 +713,8 @@ static int snd_ad1848_probe(struct snd_wss *chip) } } spin_lock_irqsave(&chip->reg_lock, flags); - inb(AD1848P(chip, STATUS)); /* clear any pendings IRQ */ - outb(0, AD1848P(chip, STATUS)); + inb(chip->port + CS4231P(STATUS)); /* clear any pendings IRQ */ + outb(0, chip->port + CS4231P(STATUS)); mb(); spin_unlock_irqrestore(&chip->reg_lock, flags); -- GitLab From 5664daa1c1fa250dd7f6b336278b0402638e8edc Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:08:32 +0200 Subject: [PATCH 0262/6244] ALSA: wss_lib: use wss mixer code instead of ad1848 one Use the wss mixer code and kill the ad1848 mixer code. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 1 - include/sound/wss.h | 25 +++ sound/isa/ad1848/ad1848.c | 2 +- sound/isa/ad1848/ad1848_lib.c | 261 ----------------------------- sound/isa/opti9xx/opti92x-ad1848.c | 22 +-- sound/isa/sc6000.c | 4 +- sound/isa/sgalaxy.c | 5 +- sound/isa/wss/wss_lib.c | 61 ++++++- 8 files changed, 98 insertions(+), 283 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index 29f63b786351..03e2abf64a7c 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -115,6 +115,5 @@ int snd_ad1848_create(struct snd_card *card, int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); -int snd_ad1848_mixer(struct snd_wss *chip); #endif /* __SOUND_AD1848_H */ diff --git a/include/sound/wss.h b/include/sound/wss.h index 2cc1f1462d8e..c896f6e1f937 100644 --- a/include/sound/wss.h +++ b/include/sound/wss.h @@ -193,6 +193,31 @@ int snd_wss_put_single(struct snd_kcontrol *kcontrol, .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ (shift_right << 19) | (mask << 24) | (invert << 22) } +#define WSS_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ + .name = xname, \ + .index = xindex, \ + .info = snd_wss_info_single, \ + .get = snd_wss_get_single, \ + .put = snd_wss_put_single, \ + .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ + .tlv = { .p = (xtlv) } } + +#define WSS_DOUBLE_TLV(xname, xindex, left_reg, right_reg, \ + shift_left, shift_right, mask, invert, xtlv) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ + .name = xname, \ + .index = xindex, \ + .info = snd_wss_info_double, \ + .get = snd_wss_get_double, \ + .put = snd_wss_put_double, \ + .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ + (shift_right << 19) | (mask << 24) | (invert << 22), \ + .tlv = { .p = (xtlv) } } + + int snd_wss_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_wss_get_double(struct snd_kcontrol *kcontrol, diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c index 40de24b280d3..d5a96631587c 100644 --- a/sound/isa/ad1848/ad1848.c +++ b/sound/isa/ad1848/ad1848.c @@ -106,7 +106,7 @@ static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) if (error < 0) goto out; - error = snd_ad1848_mixer(chip); + error = snd_wss_mixer(chip); if (error < 0) goto out; diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 07756fa36947..5de046014337 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -994,267 +994,6 @@ const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction) EXPORT_SYMBOL(snd_ad1848_get_pcm_ops); -/* - * MIXER part - */ - -static int snd_ad1848_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - static char *texts[4] = { - "Line", "Aux", "Mic", "Mix" - }; - - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 2; - uinfo->value.enumerated.items = 4; - if (uinfo->value.enumerated.item > 3) - uinfo->value.enumerated.item = 3; - strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); - return 0; -} - -static int snd_ad1848_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - - spin_lock_irqsave(&chip->reg_lock, flags); - ucontrol->value.enumerated.item[0] = (chip->image[AD1848_LEFT_INPUT] & AD1848_MIXS_ALL) >> 6; - ucontrol->value.enumerated.item[1] = (chip->image[AD1848_RIGHT_INPUT] & AD1848_MIXS_ALL) >> 6; - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - -static int snd_ad1848_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - unsigned short left, right; - int change; - - if (ucontrol->value.enumerated.item[0] > 3 || - ucontrol->value.enumerated.item[1] > 3) - return -EINVAL; - left = ucontrol->value.enumerated.item[0] << 6; - right = ucontrol->value.enumerated.item[1] << 6; - spin_lock_irqsave(&chip->reg_lock, flags); - left = (chip->image[AD1848_LEFT_INPUT] & ~AD1848_MIXS_ALL) | left; - right = (chip->image[AD1848_RIGHT_INPUT] & ~AD1848_MIXS_ALL) | right; - change = left != chip->image[AD1848_LEFT_INPUT] || - right != chip->image[AD1848_RIGHT_INPUT]; - snd_ad1848_out(chip, AD1848_LEFT_INPUT, left); - snd_ad1848_out(chip, AD1848_RIGHT_INPUT, right); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -static int snd_ad1848_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - int mask = (kcontrol->private_value >> 16) & 0xff; - - uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; - return 0; -} - -static int snd_ad1848_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0xff; - int mask = (kcontrol->private_value >> 16) & 0xff; - int invert = (kcontrol->private_value >> 24) & 0xff; - - spin_lock_irqsave(&chip->reg_lock, flags); - ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; - spin_unlock_irqrestore(&chip->reg_lock, flags); - if (invert) - ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; - return 0; -} - -static int snd_ad1848_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int reg = kcontrol->private_value & 0xff; - int shift = (kcontrol->private_value >> 8) & 0xff; - int mask = (kcontrol->private_value >> 16) & 0xff; - int invert = (kcontrol->private_value >> 24) & 0xff; - int change; - unsigned short val; - - val = (ucontrol->value.integer.value[0] & mask); - if (invert) - val = mask - val; - val <<= shift; - spin_lock_irqsave(&chip->reg_lock, flags); - val = (chip->image[reg] & ~(mask << shift)) | val; - change = val != chip->image[reg]; - snd_ad1848_out(chip, reg, val); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -static int snd_ad1848_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - int mask = (kcontrol->private_value >> 24) & 0xff; - - uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = mask; - return 0; -} - -static int snd_ad1848_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int shift_left = (kcontrol->private_value >> 16) & 0x07; - int shift_right = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - - spin_lock_irqsave(&chip->reg_lock, flags); - ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; - ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; - spin_unlock_irqrestore(&chip->reg_lock, flags); - if (invert) { - ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; - ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; - } - return 0; -} - -static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int shift_left = (kcontrol->private_value >> 16) & 0x07; - int shift_right = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int change; - unsigned short val1, val2; - - val1 = ucontrol->value.integer.value[0] & mask; - val2 = ucontrol->value.integer.value[1] & mask; - if (invert) { - val1 = mask - val1; - val2 = mask - val2; - } - val1 <<= shift_left; - val2 <<= shift_right; - spin_lock_irqsave(&chip->reg_lock, flags); - if (left_reg != right_reg) { - val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; - val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; - change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; - snd_ad1848_out(chip, left_reg, val1); - snd_ad1848_out(chip, right_reg, val2); - } else { - val1 = (chip->image[left_reg] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; - change = val1 != chip->image[left_reg]; - snd_ad1848_out(chip, left_reg, val1); - } - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); -static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); -static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); - -#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ - .name = xname, \ - .index = xindex, \ - .info = snd_ad1848_info_single, \ - .get = snd_ad1848_get_single, \ - .put = snd_ad1848_put_single, \ - .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ - .tlv = { .p = (xtlv) } } - -#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ -{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ - .name = xname, \ - .index = xindex, \ - .info = snd_ad1848_info_double, \ - .get = snd_ad1848_get_double, \ - .put = snd_ad1848_put_double, \ - .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \ - (shift_right << 19) | (mask << 24) | (invert << 22), \ - .tlv = { .p = (xtlv) } } - -static struct snd_kcontrol_new snd_ad1848_controls[] = { -WSS_DOUBLE("PCM Playback Switch", 0, - AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("PCM Playback Volume", 0, - AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, - db_scale_6bit), -WSS_DOUBLE("Aux Playback Switch", 0, - AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 0, - AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -WSS_DOUBLE("Aux Playback Switch", 1, - AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 1, - AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -AD1848_DOUBLE_TLV("Capture Volume", 0, - AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0, - db_scale_rec_gain), -{ - .name = "Capture Source", - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_mux, - .get = snd_ad1848_get_mux, - .put = snd_ad1848_put_mux, -}, -WSS_SINGLE("Loopback Capture Switch", 0, - AD1848_LOOPBACK, 0, 1, 0), -AD1848_SINGLE_TLV("Loopback Capture Volume", 0, - AD1848_LOOPBACK, 1, 63, 0, - db_scale_6bit), -}; - -int snd_ad1848_mixer(struct snd_wss *chip) -{ - struct snd_card *card; - struct snd_pcm *pcm; - unsigned int idx; - int err; - - snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); - - pcm = chip->pcm; - card = chip->card; - - strcpy(card->mixername, pcm->name); - - for (idx = 0; idx < ARRAY_SIZE(snd_ad1848_controls); idx++) { - err = snd_ctl_add(card, - snd_ctl_new1(&snd_ad1848_controls[idx], chip)); - if (err < 0) - return err; - } - - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_mixer); - /* * INIT part */ diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 1f6d6fcd6e57..4f172a219244 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -757,6 +757,15 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) error = snd_wss_pcm(codec, 0, &pcm); if (error < 0) return error; +#else + error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, + chip->dma1, WSS_HW_DETECT, &codec); + if (error < 0) + return error; + error = snd_ad1848_pcm(codec, 0, &pcm); + if (error < 0) + return error; +#endif error = snd_wss_mixer(codec); if (error < 0) return error; @@ -764,23 +773,14 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) error = snd_wss_timer(codec, 0, &timer); if (error < 0) return error; -#else /* OPTI93X */ +#endif +#ifdef OPTi93X error = request_irq(chip->irq, snd_opti93x_interrupt, IRQF_DISABLED, DEV_NAME" - WSS", codec); if (error < 0) { snd_printk(KERN_ERR "opti9xx: can't grab IRQ %d\n", chip->irq); return error; } -#endif -#else - if ((error = snd_ad1848_create(card, chip->wss_base + 4, - chip->irq, chip->dma1, - WSS_HW_DETECT, &codec)) < 0) - return error; - if ((error = snd_ad1848_pcm(codec, 0, &pcm)) < 0) - return error; - if ((error = snd_ad1848_mixer(codec)) < 0) - return error; #endif strcpy(card->driver, chip->name); sprintf(card->shortname, "OPTi %s", card->driver); diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index 0b6cf472ddcb..ef98fe7dced8 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -560,9 +560,9 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) "error creating new ad1848 PCM device\n"); goto err_unmap2; } - err = snd_ad1848_mixer(chip); + err = snd_wss_mixer(chip); if (err < 0) { - snd_printk(KERN_ERR PFX "error creating new ad1848 mixer\n"); + snd_printk(KERN_ERR PFX "error creating new WSS mixer\n"); goto err_unmap2; } err = snd_sc6000_mixer(chip); diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index 5894b2d4db64..e4f06de3480c 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -277,8 +277,9 @@ static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) snd_printdd(PFX "error creating new ad1848 PCM device\n"); goto _err; } - if ((err = snd_ad1848_mixer(chip)) < 0) { - snd_printdd(PFX "error creating new ad1848 mixer\n"); + err = snd_wss_mixer(chip); + if (err < 0) { + snd_printdd(PFX "error creating new WSS mixer\n"); goto _err; } if ((err = snd_sgalaxy_mixer(chip)) < 0) { diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index a982997805c4..1688f07a14b0 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include @@ -1957,16 +1958,58 @@ int snd_wss_put_double(struct snd_kcontrol *kcontrol, val1 <<= shift_left; val2 <<= shift_right; spin_lock_irqsave(&chip->reg_lock, flags); - val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; - val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; - change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; - snd_wss_out(chip, left_reg, val1); - snd_wss_out(chip, right_reg, val2); + if (left_reg != right_reg) { + val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; + val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; + change = val1 != chip->image[left_reg] || + val2 != chip->image[right_reg]; + snd_wss_out(chip, left_reg, val1); + snd_wss_out(chip, right_reg, val2); + } else { + mask = (mask << shift_left) | (mask << shift_right); + val1 = (chip->image[left_reg] & ~mask) | val1 | val2; + change = val1 != chip->image[left_reg]; + snd_wss_out(chip, left_reg, val1); + } spin_unlock_irqrestore(&chip->reg_lock, flags); return change; } EXPORT_SYMBOL(snd_wss_put_double); +static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); + +static struct snd_kcontrol_new snd_ad1848_controls[] = { +WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, + 7, 7, 1, 1), +WSS_DOUBLE_TLV("PCM Playback Volume", 0, + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1, + db_scale_6bit), +WSS_DOUBLE("Aux Playback Switch", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE_TLV("Aux Playback Volume", 0, + CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), +WSS_DOUBLE("Aux Playback Switch", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1), +WSS_DOUBLE_TLV("Aux Playback Volume", 1, + CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), +WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, + 0, 0, 15, 0, db_scale_rec_gain), +{ + .name = "Capture Source", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .info = snd_wss_info_mux, + .get = snd_wss_get_mux, + .put = snd_wss_put_mux, +}, +WSS_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0), +WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK, 1, 63, 0, + db_scale_6bit), +}; + static struct snd_kcontrol_new snd_wss_controls[] = { WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), @@ -2071,6 +2114,14 @@ int snd_wss_mixer(struct snd_wss *chip) if (err < 0) return err; } + else if (chip->hardware & WSS_HW_AD1848_MASK) + for (idx = 0; idx < ARRAY_SIZE(snd_ad1848_controls); idx++) { + err = snd_ctl_add(card, + snd_ctl_new1(&snd_ad1848_controls[idx], + chip)); + if (err < 0) + return err; + } else for (idx = 0; idx < ARRAY_SIZE(snd_wss_controls); idx++) { err = snd_ctl_add(card, -- GitLab From ead893c0deeec165524cc8a06e7e739d7d84b4c4 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:09:32 +0200 Subject: [PATCH 0263/6244] ALSA: wss_lib: use wss pcm code instead of ad1848 one Use the wss pcm code and kill the ad1848 pcm code. The AD1848 chip is much slower than CS4231 chips so the waiting loop was increased 100x (10x is not enough). Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 8 - include/sound/wss.h | 7 + sound/isa/Kconfig | 5 +- sound/isa/ad1848/ad1848.c | 2 +- sound/isa/ad1848/ad1848_lib.c | 544 +---------------------------- sound/isa/cmi8330.c | 2 +- sound/isa/opti9xx/opti92x-ad1848.c | 7 +- sound/isa/sc6000.c | 4 +- sound/isa/sgalaxy.c | 5 +- sound/isa/wss/wss_lib.c | 126 +++++-- 10 files changed, 129 insertions(+), 581 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index 03e2abf64a7c..7ff484f55b02 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -97,11 +97,6 @@ #define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ #define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */ -/* IBM Thinkpad specific stuff */ -#define AD1848_THINKPAD_CTL_PORT1 0x15e8 -#define AD1848_THINKPAD_CTL_PORT2 0x15e9 -#define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02 - /* exported functions */ void snd_ad1848_out(struct snd_wss *chip, unsigned char reg, @@ -113,7 +108,4 @@ int snd_ad1848_create(struct snd_card *card, unsigned short hardware, struct snd_wss **chip); -int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); -const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction); - #endif /* __SOUND_AD1848_H */ diff --git a/include/sound/wss.h b/include/sound/wss.h index c896f6e1f937..fd01f22825cd 100644 --- a/include/sound/wss.h +++ b/include/sound/wss.h @@ -71,6 +71,11 @@ #define WSS_HWSHARE_DMA1 (1<<1) #define WSS_HWSHARE_DMA2 (1<<2) +/* IBM Thinkpad specific stuff */ +#define AD1848_THINKPAD_CTL_PORT1 0x15e8 +#define AD1848_THINKPAD_CTL_PORT2 0x15e9 +#define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02 + struct snd_wss { unsigned long port; /* base i/o port */ struct resource *res_port; @@ -153,6 +158,8 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm); int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer); int snd_wss_mixer(struct snd_wss *chip); +const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction); + int snd_cs4236_create(struct snd_card *card, unsigned long port, unsigned long cport, diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index 87055568ccd4..cca11d5dc33b 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -1,12 +1,13 @@ # ALSA ISA drivers -config SND_AD1848_LIB +config SND_WSS_LIB tristate select SND_PCM -config SND_WSS_LIB +config SND_AD1848_LIB tristate select SND_PCM + select SND_WSS_LIB config SND_SB_COMMON tristate diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c index d5a96631587c..17970c2f27e7 100644 --- a/sound/isa/ad1848/ad1848.c +++ b/sound/isa/ad1848/ad1848.c @@ -102,7 +102,7 @@ static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) card->private_data = chip; - error = snd_ad1848_pcm(chip, 0, &pcm); + error = snd_wss_pcm(chip, 0, &pcm); if (error < 0) goto out; diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index 5de046014337..aa803d38a8ad 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -46,34 +46,6 @@ MODULE_LICENSE("GPL"); * Some variables */ -static unsigned char freq_bits[14] = { - /* 5510 */ 0x00 | AD1848_XTAL2, - /* 6620 */ 0x0E | AD1848_XTAL2, - /* 8000 */ 0x00 | AD1848_XTAL1, - /* 9600 */ 0x0E | AD1848_XTAL1, - /* 11025 */ 0x02 | AD1848_XTAL2, - /* 16000 */ 0x02 | AD1848_XTAL1, - /* 18900 */ 0x04 | AD1848_XTAL2, - /* 22050 */ 0x06 | AD1848_XTAL2, - /* 27042 */ 0x04 | AD1848_XTAL1, - /* 32000 */ 0x06 | AD1848_XTAL1, - /* 33075 */ 0x0C | AD1848_XTAL2, - /* 37800 */ 0x08 | AD1848_XTAL2, - /* 44100 */ 0x0A | AD1848_XTAL2, - /* 48000 */ 0x0C | AD1848_XTAL1 -}; - -static unsigned int rates[14] = { - 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050, - 27042, 32000, 33075, 37800, 44100, 48000 -}; - -static struct snd_pcm_hw_constraint_list hw_constraints_rates = { - .count = ARRAY_SIZE(rates), - .list = rates, - .mask = 0, -}; - static unsigned char snd_ad1848_original_image[16] = { 0x00, /* 00 - lic */ @@ -128,15 +100,6 @@ void snd_ad1848_out(struct snd_wss *chip, EXPORT_SYMBOL(snd_ad1848_out); -static void snd_ad1848_dout(struct snd_wss *chip, - unsigned char reg, unsigned char value) -{ - snd_ad1848_wait(chip); - outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); - outb(value, chip->port + CS4231P(REG)); - mb(); -} - static unsigned char snd_ad1848_in(struct snd_wss *chip, unsigned char reg) { snd_ad1848_wait(chip); @@ -261,315 +224,6 @@ static void snd_ad1848_mce_down(struct snd_wss *chip) inb(chip->port + CS4231P(REGSEL))); } -static unsigned int snd_ad1848_get_count(unsigned char format, - unsigned int size) -{ - switch (format & 0xe0) { - case AD1848_LINEAR_16: - size >>= 1; - break; - } - if (format & AD1848_STEREO) - size >>= 1; - return size; -} - -static int snd_ad1848_trigger(struct snd_wss *chip, unsigned char what, - int channel, int cmd) -{ - int result = 0; - -#if 0 - printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, inb(AD1848P(card, STATUS))); -#endif - spin_lock(&chip->reg_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { - if (chip->image[AD1848_IFACE_CTRL] & what) { - spin_unlock(&chip->reg_lock); - return 0; - } - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] |= what); - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { - if (!(chip->image[AD1848_IFACE_CTRL] & what)) { - spin_unlock(&chip->reg_lock); - return 0; - } - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] &= ~what); - } else { - result = -EINVAL; - } - spin_unlock(&chip->reg_lock); - return result; -} - -/* - * CODEC I/O - */ - -static unsigned char snd_ad1848_get_rate(unsigned int rate) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(rates); i++) - if (rate == rates[i]) - return freq_bits[i]; - snd_BUG(); - return freq_bits[ARRAY_SIZE(rates) - 1]; -} - -static int snd_ad1848_ioctl(struct snd_pcm_substream *substream, - unsigned int cmd, void *arg) -{ - return snd_pcm_lib_ioctl(substream, cmd, arg); -} - -static unsigned char snd_ad1848_get_format(int format, int channels) -{ - unsigned char rformat; - - rformat = AD1848_LINEAR_8; - switch (format) { - case SNDRV_PCM_FORMAT_A_LAW: rformat = AD1848_ALAW_8; break; - case SNDRV_PCM_FORMAT_MU_LAW: rformat = AD1848_ULAW_8; break; - case SNDRV_PCM_FORMAT_S16_LE: rformat = AD1848_LINEAR_16; break; - } - if (channels > 1) - rformat |= AD1848_STEREO; -#if 0 - snd_printk("get_format: 0x%x (mode=0x%x)\n", format, mode); -#endif - return rformat; -} - -static void snd_ad1848_calibrate_mute(struct snd_wss *chip, int mute) -{ - unsigned long flags; - - mute = mute ? 1 : 0; - spin_lock_irqsave(&chip->reg_lock, flags); - if (chip->calibrate_mute == mute) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - return; - } - if (!mute) { - snd_ad1848_dout(chip, AD1848_LEFT_INPUT, chip->image[AD1848_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_RIGHT_INPUT, chip->image[AD1848_RIGHT_INPUT]); - } - snd_ad1848_dout(chip, AD1848_AUX1_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX1_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_RIGHT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX2_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX2_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_RIGHT_INPUT]); - snd_ad1848_dout(chip, AD1848_LEFT_OUTPUT, mute ? 0x80 : chip->image[AD1848_LEFT_OUTPUT]); - snd_ad1848_dout(chip, AD1848_RIGHT_OUTPUT, mute ? 0x80 : chip->image[AD1848_RIGHT_OUTPUT]); - chip->calibrate_mute = mute; - spin_unlock_irqrestore(&chip->reg_lock, flags); -} - -static void snd_ad1848_set_data_format(struct snd_wss *chip, - struct snd_pcm_hw_params *hw_params) -{ - if (hw_params == NULL) { - chip->image[AD1848_DATA_FORMAT] = 0x20; - } else { - chip->image[AD1848_DATA_FORMAT] = - snd_ad1848_get_format(params_format(hw_params), params_channels(hw_params)) | - snd_ad1848_get_rate(params_rate(hw_params)); - } - // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]); -} - -static int snd_ad1848_open(struct snd_wss *chip, unsigned int mode) -{ - unsigned long flags; - - if (chip->mode & WSS_MODE_OPEN) - return -EAGAIN; - - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (1)\n"); -#endif - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO | - AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO | - AD1848_CALIB_MODE); - chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB; - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (2)\n"); -#endif - - snd_ad1848_set_data_format(chip, NULL); - - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (3)\n"); -#endif - - /* ok. now enable and ack CODEC IRQ */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - chip->image[AD1848_PIN_CTRL] |= AD1848_IRQ_ENABLE; - snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->mode = mode; - - return 0; -} - -static void snd_ad1848_close(struct snd_wss *chip) -{ - unsigned long flags; - - if (!chip->mode) - return; - /* disable IRQ */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - chip->image[AD1848_PIN_CTRL] &= ~AD1848_IRQ_ENABLE; - snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - /* now disable capture & playback */ - - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO | - AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO); - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - - /* clear IRQ again */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */ - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->mode = 0; -} - -/* - * ok.. exported functions.. - */ - -static int snd_ad1848_playback_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - return snd_ad1848_trigger(chip, AD1848_PLAYBACK_ENABLE, SNDRV_PCM_STREAM_PLAYBACK, cmd); -} - -static int snd_ad1848_capture_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - return snd_ad1848_trigger(chip, AD1848_CAPTURE_ENABLE, SNDRV_PCM_STREAM_CAPTURE, cmd); -} - -static int snd_ad1848_playback_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - unsigned long flags; - int err; - - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) - return err; - snd_ad1848_calibrate_mute(chip, 1); - snd_ad1848_set_data_format(chip, hw_params); - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - snd_ad1848_calibrate_mute(chip, 0); - return 0; -} - -static int snd_ad1848_playback_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int snd_ad1848_playback_prepare(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long flags; - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); - - chip->p_dma_size = size; - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO); - snd_dma_program(chip->dma1, runtime->dma_addr, size, - DMA_MODE_WRITE | DMA_AUTOINIT); - count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); - snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - -static int snd_ad1848_capture_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - unsigned long flags; - int err; - - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) - return err; - snd_ad1848_calibrate_mute(chip, 1); - snd_ad1848_set_data_format(chip, hw_params); - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - snd_ad1848_calibrate_mute(chip, 0); - return 0; -} - -static int snd_ad1848_capture_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int snd_ad1848_capture_prepare(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long flags; - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); - - chip->c_dma_size = size; - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO); - snd_dma_program(chip->dma2, runtime->dma_addr, size, - DMA_MODE_READ | DMA_AUTOINIT); - count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); - snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) { struct snd_wss *chip = dev_id; @@ -582,28 +236,6 @@ static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static snd_pcm_uframes_t snd_ad1848_playback_pointer(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - size_t ptr; - - if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_PLAYBACK_ENABLE)) - return 0; - ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); - return bytes_to_frames(substream->runtime, ptr); -} - -static snd_pcm_uframes_t snd_ad1848_capture_pointer(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - size_t ptr; - - if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_CAPTURE_ENABLE)) - return 0; - ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); - return bytes_to_frames(substream->runtime, ptr); -} - /* */ @@ -728,6 +360,16 @@ static int snd_ad1848_probe(struct snd_wss *chip) snd_ad1848_out(chip, i, *ptr++); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_ad1848_mce_up(chip); + /* init needed for WSS pcm */ + spin_lock_irqsave(&chip->reg_lock, flags); + chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | + AD1848_PLAYBACK_PIO | + AD1848_CAPTURE_ENABLE | + AD1848_CAPTURE_PIO | + AD1848_CALIB_MODE); + chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB; + snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); + spin_unlock_irqrestore(&chip->reg_lock, flags); snd_ad1848_mce_down(chip); return 0; /* all things are ok.. */ } @@ -736,102 +378,6 @@ static int snd_ad1848_probe(struct snd_wss *chip) */ -static struct snd_pcm_hardware snd_ad1848_playback = -{ - .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | - SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE), - .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, - .rate_min = 5510, - .rate_max = 48000, - .channels_min = 1, - .channels_max = 2, - .buffer_bytes_max = (128*1024), - .period_bytes_min = 64, - .period_bytes_max = (128*1024), - .periods_min = 1, - .periods_max = 1024, - .fifo_size = 0, -}; - -static struct snd_pcm_hardware snd_ad1848_capture = -{ - .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | - SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE), - .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, - .rate_min = 5510, - .rate_max = 48000, - .channels_min = 1, - .channels_max = 2, - .buffer_bytes_max = (128*1024), - .period_bytes_min = 64, - .period_bytes_max = (128*1024), - .periods_min = 1, - .periods_max = 1024, - .fifo_size = 0, -}; - -/* - - */ - -static int snd_ad1848_playback_open(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - err = snd_ad1848_open(chip, WSS_MODE_PLAY); - if (err < 0) - return err; - chip->playback_substream = substream; - runtime->hw = snd_ad1848_playback; - snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); - return 0; -} - -static int snd_ad1848_capture_open(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - err = snd_ad1848_open(chip, WSS_MODE_RECORD); - if (err < 0) - return err; - chip->capture_substream = substream; - runtime->hw = snd_ad1848_capture; - snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); - return 0; -} - -static int snd_ad1848_playback_close(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - - chip->mode &= ~WSS_MODE_PLAY; - chip->playback_substream = NULL; - snd_ad1848_close(chip); - return 0; -} - -static int snd_ad1848_capture_close(struct snd_pcm_substream *substream) -{ - struct snd_wss *chip = snd_pcm_substream_chip(substream); - - chip->mode &= ~WSS_MODE_RECORD; - chip->capture_substream = NULL; - snd_ad1848_close(chip); - return 0; -} - static int snd_ad1848_free(struct snd_wss *chip) { release_and_free_resource(chip->res_port); @@ -851,17 +397,6 @@ static int snd_ad1848_dev_free(struct snd_device *device) return snd_ad1848_free(chip); } -static const char *snd_ad1848_chip_id(struct snd_wss *chip) -{ - switch (chip->hardware) { - case AD1848_HW_AD1847: return "AD1847"; - case AD1848_HW_AD1848: return "AD1848"; - case AD1848_HW_CS4248: return "CS4248"; - case AD1848_HW_CMI8330: return "CMI8330/C3D"; - default: return "???"; - } -} - int snd_ad1848_create(struct snd_card *card, unsigned long port, int irq, int dma, @@ -935,65 +470,6 @@ int snd_ad1848_create(struct snd_card *card, EXPORT_SYMBOL(snd_ad1848_create); -static struct snd_pcm_ops snd_ad1848_playback_ops = { - .open = snd_ad1848_playback_open, - .close = snd_ad1848_playback_close, - .ioctl = snd_ad1848_ioctl, - .hw_params = snd_ad1848_playback_hw_params, - .hw_free = snd_ad1848_playback_hw_free, - .prepare = snd_ad1848_playback_prepare, - .trigger = snd_ad1848_playback_trigger, - .pointer = snd_ad1848_playback_pointer, -}; - -static struct snd_pcm_ops snd_ad1848_capture_ops = { - .open = snd_ad1848_capture_open, - .close = snd_ad1848_capture_close, - .ioctl = snd_ad1848_ioctl, - .hw_params = snd_ad1848_capture_hw_params, - .hw_free = snd_ad1848_capture_hw_free, - .prepare = snd_ad1848_capture_prepare, - .trigger = snd_ad1848_capture_trigger, - .pointer = snd_ad1848_capture_pointer, -}; - -int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) -{ - struct snd_pcm *pcm; - int err; - - if ((err = snd_pcm_new(chip->card, "AD1848", device, 1, 1, &pcm)) < 0) - return err; - - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1848_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1848_capture_ops); - - pcm->private_data = chip; - pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; - strcpy(pcm->name, snd_ad1848_chip_id(chip)); - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_isa_data(), - 64 * 1024, - chip->dma1 > 3 ? - 128 * 1024 : 64 * 1024); - - chip->pcm = pcm; - if (rpcm) - *rpcm = pcm; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_pcm); - -const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction) -{ - return direction == SNDRV_PCM_STREAM_PLAYBACK ? - &snd_ad1848_playback_ops : &snd_ad1848_capture_ops; -} - -EXPORT_SYMBOL(snd_ad1848_get_pcm_ops); - /* * INIT part */ diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index ca6f602f15c2..6f7e8bb6ae60 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -413,7 +413,7 @@ static int __devinit snd_cmi8330_pcm(struct snd_card *card, struct snd_cmi8330 * chip->streams[CMI_SB_STREAM].private_data = chip->sb; /* AD1848 */ - ops = snd_ad1848_get_pcm_ops(CMI_AD_STREAM); + ops = snd_wss_get_pcm_ops(CMI_AD_STREAM); chip->streams[CMI_AD_STREAM].ops = *ops; chip->streams[CMI_AD_STREAM].open = ops->open; chip->streams[CMI_AD_STREAM].ops.open = cmi_open_callbacks[CMI_AD_STREAM]; diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 4f172a219244..561d4b3ed098 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -754,18 +754,15 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) #ifdef OPTi93X chip->codec = codec; #endif - error = snd_wss_pcm(codec, 0, &pcm); - if (error < 0) - return error; #else error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, chip->dma1, WSS_HW_DETECT, &codec); if (error < 0) return error; - error = snd_ad1848_pcm(codec, 0, &pcm); +#endif + error = snd_wss_pcm(codec, 0, &pcm); if (error < 0) return error; -#endif error = snd_wss_mixer(codec); if (error < 0) return error; diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index ef98fe7dced8..2f89ecb95ded 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -554,10 +554,10 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) goto err_unmap2; card->private_data = chip; - err = snd_ad1848_pcm(chip, 0, NULL); + err = snd_wss_pcm(chip, 0, NULL); if (err < 0) { snd_printk(KERN_ERR PFX - "error creating new ad1848 PCM device\n"); + "error creating new WSS PCM device\n"); goto err_unmap2; } err = snd_wss_mixer(chip); diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index e4f06de3480c..b43d6678ba20 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -273,8 +273,9 @@ static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) goto _err; card->private_data = chip; - if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) { - snd_printdd(PFX "error creating new ad1848 PCM device\n"); + err = snd_wss_pcm(chip, 0, NULL); + if (err < 0) { + snd_printdd(PFX "error creating new WSS PCM device\n"); goto _err; } err = snd_wss_mixer(chip); diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 1688f07a14b0..57d1e8ee6bbb 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -380,7 +380,7 @@ static void snd_wss_busy_wait(struct snd_wss *chip) for (timeout = 5; timeout > 0; timeout--) wss_inb(chip, CS4231P(REGSEL)); /* end of cleanup sequence */ - for (timeout = 250; + for (timeout = 25000; timeout > 0 && (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT); timeout--) udelay(10); @@ -413,6 +413,7 @@ void snd_wss_mce_down(struct snd_wss *chip) unsigned long flags; unsigned long end_time; int timeout; + int hw_mask = WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK | WSS_HW_AD1848; snd_wss_busy_wait(chip); @@ -427,10 +428,8 @@ void snd_wss_mce_down(struct snd_wss *chip) spin_unlock_irqrestore(&chip->reg_lock, flags); if (timeout == 0x80) snd_printk("mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port); - if ((timeout & CS4231_MCE) == 0 || - !(chip->hardware & (WSS_HW_CS4231_MASK | WSS_HW_CS4232_MASK))) { + if ((timeout & CS4231_MCE) == 0 || !(chip->hardware & hw_mask)) return; - } /* * Wait for (possible -- during init auto-calibration may not be set) @@ -601,12 +600,14 @@ static void snd_wss_calibrate_mute(struct snd_wss *chip, int mute) mute ? 0x80 : chip->image[CS4231_LEFT_OUTPUT]); snd_wss_dout(chip, CS4231_RIGHT_OUTPUT, mute ? 0x80 : chip->image[CS4231_RIGHT_OUTPUT]); - snd_wss_dout(chip, CS4231_LEFT_LINE_IN, - mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); - snd_wss_dout(chip, CS4231_RIGHT_LINE_IN, - mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); - snd_wss_dout(chip, CS4231_MONO_CTRL, - mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) { + snd_wss_dout(chip, CS4231_LEFT_LINE_IN, + mute ? 0x80 : chip->image[CS4231_LEFT_LINE_IN]); + snd_wss_dout(chip, CS4231_RIGHT_LINE_IN, + mute ? 0x80 : chip->image[CS4231_RIGHT_LINE_IN]); + snd_wss_dout(chip, CS4231_MONO_CTRL, + mute ? 0xc0 : chip->image[CS4231_MONO_CTRL]); + } if (chip->hardware == WSS_HW_INTERWAVE) { snd_wss_dout(chip, CS4231_LEFT_MIC_INPUT, mute ? 0x80 : chip->image[CS4231_LEFT_MIC_INPUT]); @@ -706,7 +707,10 @@ static void snd_wss_capture_format(struct snd_wss *chip, snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); } - snd_wss_out(chip, CS4231_REC_FORMAT, cdfr); + if (chip->hardware & WSS_HW_AD1848_MASK) + snd_wss_out(chip, CS4231_PLAYBK_FORMAT, cdfr); + else + snd_wss_out(chip, CS4231_REC_FORMAT, cdfr); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_wss_mce_down(chip); } @@ -818,7 +822,9 @@ static void snd_wss_init(struct snd_wss *chip) snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); - snd_wss_out(chip, CS4231_REC_FORMAT, chip->image[CS4231_REC_FORMAT]); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) + snd_wss_out(chip, CS4231_REC_FORMAT, + chip->image[CS4231_REC_FORMAT]); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_wss_mce_down(chip); @@ -844,20 +850,24 @@ static int snd_wss_open(struct snd_wss *chip, unsigned int mode) } /* ok. now enable and ack CODEC IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - snd_wss_out(chip, CS4231_IRQ_STATUS, - CS4231_PLAYBACK_IRQ | - CS4231_RECORD_IRQ | - CS4231_TIMER_IRQ); - snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) { + snd_wss_out(chip, CS4231_IRQ_STATUS, + CS4231_PLAYBACK_IRQ | + CS4231_RECORD_IRQ | + CS4231_TIMER_IRQ); + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + } wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ chip->image[CS4231_PIN_CTRL] |= CS4231_IRQ_ENABLE; snd_wss_out(chip, CS4231_PIN_CTRL, chip->image[CS4231_PIN_CTRL]); - snd_wss_out(chip, CS4231_IRQ_STATUS, - CS4231_PLAYBACK_IRQ | - CS4231_RECORD_IRQ | - CS4231_TIMER_IRQ); - snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) { + snd_wss_out(chip, CS4231_IRQ_STATUS, + CS4231_PLAYBACK_IRQ | + CS4231_RECORD_IRQ | + CS4231_TIMER_IRQ); + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + } spin_unlock_irqrestore(&chip->reg_lock, flags); chip->mode = mode; @@ -879,7 +889,8 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode) /* disable IRQ */ spin_lock_irqsave(&chip->reg_lock, flags); - snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ chip->image[CS4231_PIN_CTRL] &= ~CS4231_IRQ_ENABLE; @@ -902,7 +913,8 @@ static void snd_wss_close(struct snd_wss *chip, unsigned int mode) } /* clear IRQ again */ - snd_wss_out(chip, CS4231_IRQ_STATUS, 0); + if (!(chip->hardware & WSS_HW_AD1848_MASK)) + snd_wss_out(chip, CS4231_IRQ_STATUS, 0); wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ wss_outb(chip, CS4231P(STATUS), 0); /* clear IRQ */ spin_unlock_irqrestore(&chip->reg_lock, flags); @@ -1023,7 +1035,13 @@ static int snd_wss_capture_prepare(struct snd_pcm_substream *substream) chip->c_dma_size = size; chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_RECORD_ENABLE | CS4231_RECORD_PIO); snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); - count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT], count) - 1; + if (chip->hardware & WSS_HW_AD1848_MASK) + count = snd_wss_get_count(chip->image[CS4231_PLAYBK_FORMAT], + count); + else + count = snd_wss_get_count(chip->image[CS4231_REC_FORMAT], + count); + count--; if (chip->single_dma && chip->hardware != WSS_HW_INTERWAVE) { snd_wss_out(chip, CS4231_PLY_LWR_CNT, (unsigned char) count); snd_wss_out(chip, CS4231_PLY_UPR_CNT, @@ -1341,6 +1359,11 @@ static int snd_wss_playback_open(struct snd_pcm_substream *substream) runtime->hw = snd_wss_playback; + /* hardware limitation of older chipsets */ + if (chip->hardware & WSS_HW_AD1848_MASK) + runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM | + SNDRV_PCM_FMTBIT_S16_BE); + /* hardware bug in InterWave chipset */ if (chip->hardware == WSS_HW_INTERWAVE && chip->dma1 > 3) runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_MU_LAW; @@ -1379,6 +1402,11 @@ static int snd_wss_capture_open(struct snd_pcm_substream *substream) runtime->hw = snd_wss_capture; + /* hardware limitation of older chipsets */ + if (chip->hardware & WSS_HW_AD1848_MASK) + runtime->hw.formats &= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM | + SNDRV_PCM_FMTBIT_S16_BE); + /* hardware limitation of cheap chips */ if (chip->hardware == WSS_HW_CS4235 || chip->hardware == WSS_HW_CS4239) @@ -1423,6 +1451,26 @@ static int snd_wss_capture_close(struct snd_pcm_substream *substream) return 0; } +static void snd_wss_thinkpad_twiddle(struct snd_wss *chip, int on) +{ + int tmp; + + if (!chip->thinkpad_flag) + return; + + outb(0x1c, AD1848_THINKPAD_CTL_PORT1); + tmp = inb(AD1848_THINKPAD_CTL_PORT2); + + if (on) + /* turn it on */ + tmp |= AD1848_THINKPAD_CS4248_ENABLE_BIT; + else + /* turn it off */ + tmp &= ~AD1848_THINKPAD_CS4248_ENABLE_BIT; + + outb(tmp, AD1848_THINKPAD_CTL_PORT2); +} + #ifdef CONFIG_PM /* lowlevel suspend callback for CS4231 */ @@ -1436,6 +1484,8 @@ static void snd_wss_suspend(struct snd_wss *chip) for (reg = 0; reg < 32; reg++) chip->image[reg] = snd_wss_in(chip, reg); spin_unlock_irqrestore(&chip->reg_lock, flags); + if (chip->thinkpad_flag) + snd_wss_thinkpad_twiddle(chip, 0); } /* lowlevel resume callback for CS4231 */ @@ -1445,6 +1495,8 @@ static void snd_wss_resume(struct snd_wss *chip) unsigned long flags; /* int timeout; */ + if (chip->thinkpad_flag) + snd_wss_thinkpad_twiddle(chip, 1); snd_wss_mce_up(chip); spin_lock_irqsave(&chip->reg_lock, flags); for (reg = 0; reg < 32; reg++) { @@ -1542,6 +1594,14 @@ const char *snd_wss_chip_id(struct snd_wss *chip) return "AD1845"; case WSS_HW_OPTI93X: return "OPTi 93x"; + case WSS_HW_AD1847: + return "AD1847"; + case WSS_HW_AD1848: + return "AD1848"; + case WSS_HW_CS4248: + return "CS4248"; + case WSS_HW_CMI8330: + return "CMI8330/C3D"; default: return "???"; } @@ -1704,7 +1764,8 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "CS4231", device, 1, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "WSS", device, 1, 1, &pcm); + if (err < 0) return err; spin_lock_init(&chip->reg_lock); @@ -1714,6 +1775,12 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops); + /* temporary */ + if (chip->hardware & WSS_HW_AD1848_MASK) { + chip->rate_constraint = snd_wss_xrate; + chip->set_playback_format = snd_wss_playback_format; + chip->set_capture_format = snd_wss_capture_format; + } /* global setup */ pcm->private_data = chip; pcm->info_flags = 0; @@ -2134,6 +2201,13 @@ int snd_wss_mixer(struct snd_wss *chip) } EXPORT_SYMBOL(snd_wss_mixer); +const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction) +{ + return direction == SNDRV_PCM_STREAM_PLAYBACK ? + &snd_wss_playback_ops : &snd_wss_capture_ops; +} +EXPORT_SYMBOL(snd_wss_get_pcm_ops); + /* * INIT part */ -- GitLab From 760fc6b838d8c783c363e8bdb3714bd92a8945c4 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:10:47 +0200 Subject: [PATCH 0264/6244] ALSA: wss_lib: use wss detection code instead of ad1848 one Use the wss detection code and kill the ad1848 library. The library is fully assimilated into the new wss library. This required reworking of the AD1848 family code so the code is changed to correctly detect chips from the AD1848 and CS4231 families. I have tested it on following cards: Gallant SC-6600 (codec: AD1848, driver: snd-sc6600) SoundScape VIVO/90 (codec: AD1845, driver: snd-sscape) SG Waverider (codec: CS4231A, driver: Rene Herman's snd-galaxy) Opti930 (codec: built-in - CS4231 compatible, driver: snd-opti93x) Opti931 (codec: built-in - CS4231 compatible, driver: snd-opti93x) Gallant SC-70P (chip/codec: CS4237B, driver: snd-cs4236) Audio Plus 3D (chip/codec: CMI8330A, driver: snd-cmi8330) Dell Latitude CP (chip/codec: cs4236, driver snd-cs4232) Sound playback and recording works on all these cards. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/ad1848.h | 111 ------- sound/isa/Kconfig | 15 +- sound/isa/ad1848/Makefile | 2 - sound/isa/ad1848/ad1848.c | 7 +- sound/isa/ad1848/ad1848_lib.c | 487 ----------------------------- sound/isa/cmi8330.c | 22 +- sound/isa/opti9xx/opti92x-ad1848.c | 15 - sound/isa/sc6000.c | 6 +- sound/isa/sgalaxy.c | 13 +- sound/isa/wss/wss_lib.c | 150 +++++++-- 10 files changed, 150 insertions(+), 678 deletions(-) diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index 7ff484f55b02..e69de29bb2d1 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -1,111 +0,0 @@ -#ifndef __SOUND_AD1848_H -#define __SOUND_AD1848_H - -/* - * Copyright (c) by Jaroslav Kysela - * Definitions for AD1847/AD1848/CS4248 chips - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include "pcm.h" -#include - -#include "wss.h" /* temporary till the driver is removed */ - -/* codec registers */ - -#define AD1848_LEFT_INPUT 0x00 /* left input control */ -#define AD1848_RIGHT_INPUT 0x01 /* right input control */ -#define AD1848_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */ -#define AD1848_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */ -#define AD1848_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */ -#define AD1848_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */ -#define AD1848_LEFT_OUTPUT 0x06 /* left output control register */ -#define AD1848_RIGHT_OUTPUT 0x07 /* right output control register */ -#define AD1848_DATA_FORMAT 0x08 /* clock and data format - playback/capture - bits 7-0 MCE */ -#define AD1848_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */ -#define AD1848_PIN_CTRL 0x0a /* pin control */ -#define AD1848_TEST_INIT 0x0b /* test and initialization */ -#define AD1848_MISC_INFO 0x0c /* miscellaneous information */ -#define AD1848_LOOPBACK 0x0d /* loopback control */ -#define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */ -#define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */ - -/* definitions for codec register select port - CODECP( REGSEL ) */ - -#define AD1848_INIT 0x80 /* CODEC is initializing */ -#define AD1848_MCE 0x40 /* mode change enable */ -#define AD1848_TRD 0x20 /* transfer request disable */ - -/* definitions for codec status register - CODECP( STATUS ) */ - -#define AD1848_GLOBALIRQ 0x01 /* IRQ is active */ - -/* definitions for AD1848_LEFT_INPUT and AD1848_RIGHT_INPUT registers */ - -#define AD1848_ENABLE_MIC_GAIN 0x20 - -#define AD1848_MIXS_LINE1 0x00 -#define AD1848_MIXS_AUX1 0x40 -#define AD1848_MIXS_LINE2 0x80 -#define AD1848_MIXS_ALL 0xc0 - -/* definitions for clock and data format register - AD1848_PLAYBK_FORMAT */ - -#define AD1848_LINEAR_8 0x00 /* 8-bit unsigned data */ -#define AD1848_ALAW_8 0x60 /* 8-bit A-law companded */ -#define AD1848_ULAW_8 0x20 /* 8-bit U-law companded */ -#define AD1848_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */ -#define AD1848_STEREO 0x10 /* stereo mode */ -/* bits 3-1 define frequency divisor */ -#define AD1848_XTAL1 0x00 /* 24.576 crystal */ -#define AD1848_XTAL2 0x01 /* 16.9344 crystal */ - -/* definitions for interface control register - AD1848_IFACE_CTRL */ - -#define AD1848_CAPTURE_PIO 0x80 /* capture PIO enable */ -#define AD1848_PLAYBACK_PIO 0x40 /* playback PIO enable */ -#define AD1848_CALIB_MODE 0x18 /* calibration mode bits */ -#define AD1848_AUTOCALIB 0x08 /* auto calibrate */ -#define AD1848_SINGLE_DMA 0x04 /* use single DMA channel */ -#define AD1848_CAPTURE_ENABLE 0x02 /* capture enable */ -#define AD1848_PLAYBACK_ENABLE 0x01 /* playback enable */ - -/* definitions for pin control register - AD1848_PIN_CTRL */ - -#define AD1848_IRQ_ENABLE 0x02 /* enable IRQ */ -#define AD1848_XCTL1 0x40 /* external control #1 */ -#define AD1848_XCTL0 0x80 /* external control #0 */ - -/* definitions for test and init register - AD1848_TEST_INIT */ - -#define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ -#define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */ - -/* exported functions */ - -void snd_ad1848_out(struct snd_wss *chip, unsigned char reg, - unsigned char value); - -int snd_ad1848_create(struct snd_card *card, - unsigned long port, - int irq, int dma, - unsigned short hardware, - struct snd_wss **chip); - -#endif /* __SOUND_AD1848_H */ diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index cca11d5dc33b..ec80444c2a96 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -4,11 +4,6 @@ config SND_WSS_LIB tristate select SND_PCM -config SND_AD1848_LIB - tristate - select SND_PCM - select SND_WSS_LIB - config SND_SB_COMMON tristate @@ -56,7 +51,7 @@ config SND_AD1816A config SND_AD1848 tristate "Generic AD1848/CS4248 driver" - select SND_AD1848_LIB + select SND_WSS_LIB help Say Y here to include support for AD1848 (Analog Devices) or CS4248 (Cirrus Logic - Crystal Semiconductors) chips. @@ -97,7 +92,7 @@ config SND_AZT2320 config SND_CMI8330 tristate "C-Media CMI8330" - select SND_AD1848_LIB + select SND_WSS_LIB select SND_SB16_DSP help Say Y here to include support for soundcards based on the @@ -193,7 +188,7 @@ config SND_ES18XX config SND_SC6000 tristate "Gallant SC-6000, Audio Excel DSP 16" depends on HAS_IOPORT - select SND_AD1848_LIB + select SND_WSS_LIB select SND_OPL3_LIB select SND_MPU401_UART help @@ -280,7 +275,7 @@ config SND_OPTI92X_AD1848 select SND_OPL3_LIB select SND_OPL4_LIB select SND_MPU401_UART - select SND_AD1848_LIB + select SND_WSS_LIB help Say Y here to include support for soundcards based on Opti 82C92x or OTI-601 chips and using an AD1848 codec. @@ -373,7 +368,7 @@ config SND_SB16_CSP config SND_SGALAXY tristate "Aztech Sound Galaxy" - select SND_AD1848_LIB + select SND_WSS_LIB help Say Y here to include support for Aztech Sound Galaxy soundcards. diff --git a/sound/isa/ad1848/Makefile b/sound/isa/ad1848/Makefile index ae23331e9200..3d6dea3ff927 100644 --- a/sound/isa/ad1848/Makefile +++ b/sound/isa/ad1848/Makefile @@ -3,10 +3,8 @@ # Copyright (c) 2001 by Jaroslav Kysela # -snd-ad1848-lib-objs := ad1848_lib.o snd-ad1848-objs := ad1848.o # Toplevel Module Dependency obj-$(CONFIG_SND_AD1848) += snd-ad1848.o -obj-$(CONFIG_SND_AD1848_LIB) += snd-ad1848-lib.o diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c index 17970c2f27e7..b68d20edc20f 100644 --- a/sound/isa/ad1848/ad1848.c +++ b/sound/isa/ad1848/ad1848.c @@ -28,7 +28,7 @@ #include #include #include -#include +#include #include #define CRD_NAME "Generic AD1848/AD1847/CS4248" @@ -95,8 +95,9 @@ static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) if (!card) return -EINVAL; - error = snd_ad1848_create(card, port[n], irq[n], dma1[n], - thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, &chip); + error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1, + thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, + 0, &chip); if (error < 0) goto out; diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index aa803d38a8ad..e69de29bb2d1 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -1,487 +0,0 @@ -/* - * Copyright (c) by Jaroslav Kysela - * Routines for control of AD1848/AD1847/CS4248 - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#define SNDRV_MAIN_OBJECT_FILE -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -MODULE_AUTHOR("Jaroslav Kysela "); -MODULE_DESCRIPTION("Routines for control of AD1848/AD1847/CS4248"); -MODULE_LICENSE("GPL"); - -#if 0 -#define SNDRV_DEBUG_MCE -#endif - -/* - * Some variables - */ - -static unsigned char snd_ad1848_original_image[16] = -{ - 0x00, /* 00 - lic */ - 0x00, /* 01 - ric */ - 0x9f, /* 02 - la1ic */ - 0x9f, /* 03 - ra1ic */ - 0x9f, /* 04 - la2ic */ - 0x9f, /* 05 - ra2ic */ - 0xbf, /* 06 - loc */ - 0xbf, /* 07 - roc */ - 0x20, /* 08 - dfr */ - AD1848_AUTOCALIB, /* 09 - ic */ - 0x00, /* 0a - pc */ - 0x00, /* 0b - ti */ - 0x00, /* 0c - mi */ - 0x00, /* 0d - lbc */ - 0x00, /* 0e - dru */ - 0x00, /* 0f - drl */ -}; - -/* - * Basic I/O functions - */ - -static void snd_ad1848_wait(struct snd_wss *chip) -{ - int timeout; - - for (timeout = 250; timeout > 0; timeout--) { - if ((inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) == 0) - break; - udelay(100); - } -} - -void snd_ad1848_out(struct snd_wss *chip, - unsigned char reg, - unsigned char value) -{ - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "auto calibration time out - " - "reg = 0x%x, value = 0x%x\n", reg, value); -#endif - outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); - outb(chip->image[reg] = value, chip->port + CS4231P(REG)); - mb(); - snd_printdd("codec out - reg 0x%x = 0x%x\n", - chip->mce_bit | reg, value); -} - -EXPORT_SYMBOL(snd_ad1848_out); - -static unsigned char snd_ad1848_in(struct snd_wss *chip, unsigned char reg) -{ - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "auto calibration time out - " - "reg = 0x%x\n", reg); -#endif - outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL)); - mb(); - return inb(chip->port + CS4231P(REG)); -} - -#if 0 - -static void snd_ad1848_debug(struct snd_wss *chip) -{ - printk(KERN_DEBUG "AD1848 REGS: INDEX = 0x%02x ", inb(chip->port + CS4231P(REGSEL))); - printk(KERN_DEBUG " STATUS = 0x%02x\n", inb(chip->port + CS4231P(STATUS))); - printk(KERN_DEBUG " 0x00: left input = 0x%02x ", snd_ad1848_in(chip, 0x00)); - printk(KERN_DEBUG " 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip, 0x08)); - printk(KERN_DEBUG " 0x01: right input = 0x%02x ", snd_ad1848_in(chip, 0x01)); - printk(KERN_DEBUG " 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip, 0x09)); - printk(KERN_DEBUG " 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip, 0x02)); - printk(KERN_DEBUG " 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip, 0x0a)); - printk(KERN_DEBUG " 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip, 0x03)); - printk(KERN_DEBUG " 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip, 0x0b)); - printk(KERN_DEBUG " 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip, 0x04)); - printk(KERN_DEBUG " 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip, 0x0c)); - printk(KERN_DEBUG " 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip, 0x05)); - printk(KERN_DEBUG " 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip, 0x0d)); - printk(KERN_DEBUG " 0x06: left output = 0x%02x ", snd_ad1848_in(chip, 0x06)); - printk(KERN_DEBUG " 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip, 0x0e)); - printk(KERN_DEBUG " 0x07: right output = 0x%02x ", snd_ad1848_in(chip, 0x07)); - printk(KERN_DEBUG " 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip, 0x0f)); -} - -#endif - -/* - * AD1848 detection / MCE routines - */ - -static void snd_ad1848_mce_up(struct snd_wss *chip) -{ - unsigned long flags; - int timeout; - - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "mce_up - auto calibration time out (0)\n"); -#endif - spin_lock_irqsave(&chip->reg_lock, flags); - chip->mce_bit |= AD1848_MCE; - timeout = inb(chip->port + CS4231P(REGSEL)); - if (timeout == 0x80) - snd_printk(KERN_WARNING "mce_up [0x%lx]: serious init problem - codec still busy\n", chip->port); - if (!(timeout & AD1848_MCE)) - outb(chip->mce_bit | (timeout & 0x1f), - chip->port + CS4231P(REGSEL)); - spin_unlock_irqrestore(&chip->reg_lock, flags); -} - -static void snd_ad1848_mce_down(struct snd_wss *chip) -{ - unsigned long flags, timeout; - int reg; - - spin_lock_irqsave(&chip->reg_lock, flags); - for (timeout = 5; timeout > 0; timeout--) - inb(chip->port + CS4231P(REGSEL)); - /* end of cleanup sequence */ - for (timeout = 12000; - timeout > 0 && (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT); - timeout--) - udelay(100); - - snd_printdd("(1) timeout = %ld\n", timeout); - -#ifdef CONFIG_SND_DEBUG - if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING - "mce_down [0x%lx] - auto calibration time out (0)\n", - chip->port + CS4231P(REGSEL)); -#endif - - chip->mce_bit &= ~AD1848_MCE; - reg = inb(chip->port + CS4231P(REGSEL)); - outb(chip->mce_bit | (reg & 0x1f), chip->port + CS4231P(REGSEL)); - if (reg == 0x80) - snd_printk(KERN_WARNING "mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port); - if ((reg & AD1848_MCE) == 0) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - return; - } - - /* - * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low. - * It may take up to 5 sample periods (at most 907 us @ 5.5125 kHz) for - * the process to _start_, so it is important to wait at least that long - * before checking. Otherwise we might think AC has finished when it - * has in fact not begun. It could take 128 (no AC) or 384 (AC) cycles - * for ACI to drop. This gives a wait of at most 70 ms with a more - * typical value of 3-9 ms. - */ - timeout = jiffies + msecs_to_jiffies(250); - do { - spin_unlock_irqrestore(&chip->reg_lock, flags); - msleep(1); - spin_lock_irqsave(&chip->reg_lock, flags); - reg = snd_ad1848_in(chip, AD1848_TEST_INIT) & - AD1848_CALIB_IN_PROGRESS; - } while (reg && time_before(jiffies, timeout)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - if (reg) - snd_printk(KERN_ERR - "mce_down - auto calibration time out (2)\n"); - - snd_printdd("(4) jiffies = %lu\n", jiffies); - snd_printd("mce_down - exit = 0x%x\n", - inb(chip->port + CS4231P(REGSEL))); -} - -static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) -{ - struct snd_wss *chip = dev_id; - - if ((chip->mode & WSS_MODE_PLAY) && chip->playback_substream) - snd_pcm_period_elapsed(chip->playback_substream); - if ((chip->mode & WSS_MODE_RECORD) && chip->capture_substream) - snd_pcm_period_elapsed(chip->capture_substream); - outb(0, chip->port + CS4231P(STATUS)); /* clear global interrupt bit */ - return IRQ_HANDLED; -} - -/* - - */ - -static void snd_ad1848_thinkpad_twiddle(struct snd_wss *chip, int on) -{ - int tmp; - - if (!chip->thinkpad_flag) return; - - outb(0x1c, AD1848_THINKPAD_CTL_PORT1); - tmp = inb(AD1848_THINKPAD_CTL_PORT2); - - if (on) - /* turn it on */ - tmp |= AD1848_THINKPAD_CS4248_ENABLE_BIT; - else - /* turn it off */ - tmp &= ~AD1848_THINKPAD_CS4248_ENABLE_BIT; - - outb(tmp, AD1848_THINKPAD_CTL_PORT2); - -} - -#ifdef CONFIG_PM -static void snd_ad1848_suspend(struct snd_wss *chip) -{ - snd_pcm_suspend_all(chip->pcm); - if (chip->thinkpad_flag) - snd_ad1848_thinkpad_twiddle(chip, 0); -} - -static void snd_ad1848_resume(struct snd_wss *chip) -{ - int i; - - if (chip->thinkpad_flag) - snd_ad1848_thinkpad_twiddle(chip, 1); - - /* clear any pendings IRQ */ - inb(chip->port + CS4231P(STATUS)); - outb(0, chip->port + CS4231P(STATUS)); - mb(); - - snd_ad1848_mce_down(chip); - for (i = 0; i < 16; i++) - snd_ad1848_out(chip, i, chip->image[i]); - snd_ad1848_mce_up(chip); - snd_ad1848_mce_down(chip); -} -#endif /* CONFIG_PM */ - -static int snd_ad1848_probe(struct snd_wss *chip) -{ - unsigned long flags; - int i, id, rev, ad1847; - unsigned char *ptr; - -#if 0 - snd_ad1848_debug(chip); -#endif - id = ad1847 = 0; - for (i = 0; i < 1000; i++) { - mb(); - if (inb(chip->port + CS4231P(REGSEL)) & AD1848_INIT) - udelay(500); - else { - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x00); - snd_ad1848_out(chip, AD1848_LEFT_INPUT, 0xaa); - snd_ad1848_out(chip, AD1848_RIGHT_INPUT, 0x45); - rev = snd_ad1848_in(chip, AD1848_RIGHT_INPUT); - if (rev == 0x65) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - ad1847 = 1; - break; - } - if (snd_ad1848_in(chip, AD1848_LEFT_INPUT) == 0xaa && rev == 0x45) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - break; - } - spin_unlock_irqrestore(&chip->reg_lock, flags); - } - } - if (id != 1) - return -ENODEV; /* no valid device found */ - if (chip->hardware == WSS_HW_DETECT) { - if (ad1847) { - chip->hardware = WSS_HW_AD1847; - } else { - chip->hardware = WSS_HW_AD1848; - rev = snd_ad1848_in(chip, AD1848_MISC_INFO); - if (rev & 0x80) { - chip->hardware = WSS_HW_CS4248; - } else if ((rev & 0x0f) == 0x0a) { - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x40); - for (i = 0; i < 16; ++i) { - if (snd_ad1848_in(chip, i) != snd_ad1848_in(chip, i + 16)) { - chip->hardware = WSS_HW_CMI8330; - break; - } - } - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x00); - } - } - } - spin_lock_irqsave(&chip->reg_lock, flags); - inb(chip->port + CS4231P(STATUS)); /* clear any pendings IRQ */ - outb(0, chip->port + CS4231P(STATUS)); - mb(); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->image[AD1848_MISC_INFO] = 0x00; - chip->image[AD1848_IFACE_CTRL] = - (chip->image[AD1848_IFACE_CTRL] & ~AD1848_SINGLE_DMA) | AD1848_SINGLE_DMA; - ptr = (unsigned char *) &chip->image; - snd_ad1848_mce_down(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - for (i = 0; i < 16; i++) /* ok.. fill all AD1848 registers */ - snd_ad1848_out(chip, i, *ptr++); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_up(chip); - /* init needed for WSS pcm */ - spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | - AD1848_PLAYBACK_PIO | - AD1848_CAPTURE_ENABLE | - AD1848_CAPTURE_PIO | - AD1848_CALIB_MODE); - chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB; - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - return 0; /* all things are ok.. */ -} - -/* - - */ - -static int snd_ad1848_free(struct snd_wss *chip) -{ - release_and_free_resource(chip->res_port); - if (chip->irq >= 0) - free_irq(chip->irq, (void *) chip); - if (chip->dma1 >= 0) { - snd_dma_disable(chip->dma1); - free_dma(chip->dma1); - } - kfree(chip); - return 0; -} - -static int snd_ad1848_dev_free(struct snd_device *device) -{ - struct snd_wss *chip = device->device_data; - return snd_ad1848_free(chip); -} - -int snd_ad1848_create(struct snd_card *card, - unsigned long port, - int irq, int dma, - unsigned short hardware, - struct snd_wss **rchip) -{ - static struct snd_device_ops ops = { - .dev_free = snd_ad1848_dev_free, - }; - struct snd_wss *chip; - int err; - - *rchip = NULL; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) - return -ENOMEM; - spin_lock_init(&chip->reg_lock); - chip->card = card; - chip->port = port; - chip->irq = -1; - chip->dma1 = -1; - chip->dma2 = -1; - chip->single_dma = 1; - chip->hardware = hardware; - memcpy(&chip->image, &snd_ad1848_original_image, sizeof(snd_ad1848_original_image)); - - if ((chip->res_port = request_region(port, 4, "AD1848")) == NULL) { - snd_printk(KERN_ERR "ad1848: can't grab port 0x%lx\n", port); - snd_ad1848_free(chip); - return -EBUSY; - } - if (request_irq(irq, snd_ad1848_interrupt, IRQF_DISABLED, "AD1848", (void *) chip)) { - snd_printk(KERN_ERR "ad1848: can't grab IRQ %d\n", irq); - snd_ad1848_free(chip); - return -EBUSY; - } - chip->irq = irq; - if (request_dma(dma, "AD1848")) { - snd_printk(KERN_ERR "ad1848: can't grab DMA %d\n", dma); - snd_ad1848_free(chip); - return -EBUSY; - } - chip->dma1 = dma; - chip->dma2 = dma; - - if (hardware == WSS_HW_THINKPAD) { - chip->thinkpad_flag = 1; - chip->hardware = WSS_HW_DETECT; /* reset */ - snd_ad1848_thinkpad_twiddle(chip, 1); - } - - if (snd_ad1848_probe(chip) < 0) { - snd_ad1848_free(chip); - return -ENODEV; - } - - /* Register device */ - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - snd_ad1848_free(chip); - return err; - } - -#ifdef CONFIG_PM - chip->suspend = snd_ad1848_suspend; - chip->resume = snd_ad1848_resume; -#endif - - *rchip = chip; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_create); - -/* - * INIT part - */ - -static int __init alsa_ad1848_init(void) -{ - return 0; -} - -static void __exit alsa_ad1848_exit(void) -{ -} - -module_init(alsa_ad1848_init) -module_exit(alsa_ad1848_exit) diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c index 6f7e8bb6ae60..e49aec700a55 100644 --- a/sound/isa/cmi8330.c +++ b/sound/isa/cmi8330.c @@ -50,7 +50,7 @@ #include #include #include -#include +#include #include #include @@ -180,9 +180,9 @@ WSS_DOUBLE("Master Playback Volume", 0, WSS_SINGLE("Loud Playback Switch", 0, CMI8330_MUTEMUX, 6, 1, 1), WSS_DOUBLE("PCM Playback Switch", 0, - AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1), WSS_DOUBLE("PCM Playback Volume", 0, - AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1), + CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1), WSS_DOUBLE("Line Playback Switch", 0, CMI8330_MUTEMUX, CMI8330_MUTEMUX, 4, 3, 1, 0), WSS_DOUBLE("Line Playback Volume", 0, @@ -489,12 +489,11 @@ static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev) int i, err; acard = card->private_data; - if ((err = snd_ad1848_create(card, - wssport[dev] + 4, - wssirq[dev], - wssdma[dev], - WSS_HW_DETECT, - &acard->wss)) < 0) { + err = snd_wss_create(card, wssport[dev] + 4, -1, + wssirq[dev], + wssdma[dev], -1, + WSS_HW_DETECT, 0, &acard->wss); + if (err < 0) { snd_printk(KERN_ERR PFX "(AD1848) device busy??\n"); return err; } @@ -517,9 +516,10 @@ static int __devinit snd_cmi8330_probe(struct snd_card *card, int dev) return err; } - snd_ad1848_out(acard->wss, AD1848_MISC_INFO, 0x40); /* switch on MODE2 */ + snd_wss_out(acard->wss, CS4231_MISC_INFO, 0x40); /* switch on MODE2 */ for (i = CMI8330_RMUX3D; i <= CMI8330_CDINGAIN; i++) - snd_ad1848_out(acard->wss, i, snd_cmi8330_image[i - CMI8330_RMUX3D]); + snd_wss_out(acard->wss, i, + snd_cmi8330_image[i - CMI8330_RMUX3D]); if ((err = snd_cmi8330_mixer(card, acard)) < 0) { snd_printk(KERN_ERR PFX "failed to create mixers\n"); diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index 561d4b3ed098..cb5f66bde5d3 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -33,11 +33,7 @@ #include #include #include -#if defined(CS4231) || defined(OPTi93X) #include -#else -#include -#endif /* CS4231 */ #include #include #ifndef OPTi93X @@ -148,9 +144,7 @@ struct snd_opti9xx { long wss_base; int irq; int dma1; -#if defined(CS4231) || defined(OPTi93X) int dma2; -#endif /* CS4231 || OPTi93X */ long fm_port; @@ -225,9 +219,7 @@ static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip, chip->wss_base = -1; chip->irq = -1; chip->dma1 = -1; -#if defined(CS4231) || defined (OPTi93X) chip->dma2 = -1; -#endif /* CS4231 || OPTi93X */ chip->fm_port = -1; chip->mpu_port = -1; chip->mpu_irq = -1; @@ -740,7 +732,6 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) if (error) return error; -#if defined(CS4231) || defined(OPTi93X) error = snd_wss_create(card, chip->wss_base + 4, -1, chip->irq, chip->dma1, chip->dma2, #ifdef CS4231 @@ -753,12 +744,6 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) return error; #ifdef OPTi93X chip->codec = codec; -#endif -#else - error = snd_ad1848_create(card, chip->wss_base + 4, chip->irq, - chip->dma1, WSS_HW_DETECT, &codec); - if (error < 0) - return error; #endif error = snd_wss_pcm(codec, 0, &pcm); if (error < 0) diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c index 2f89ecb95ded..ca35924dc3b3 100644 --- a/sound/isa/sc6000.c +++ b/sound/isa/sc6000.c @@ -29,7 +29,7 @@ #include #include #include -#include +#include #include #include #include @@ -548,8 +548,8 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev) if (err < 0) goto err_unmap2; - err = snd_ad1848_create(card, mss_port[dev] + 4, xirq, xdma, - WSS_HW_DETECT, &chip); + err = snd_wss_create(card, mss_port[dev] + 4, -1, xirq, xdma, -1, + WSS_HW_DETECT, 0, &chip); if (err < 0) goto err_unmap2; card->private_data = chip; diff --git a/sound/isa/sgalaxy.c b/sound/isa/sgalaxy.c index b43d6678ba20..2c7503bf1271 100644 --- a/sound/isa/sgalaxy.c +++ b/sound/isa/sgalaxy.c @@ -31,7 +31,7 @@ #include #include #include -#include +#include #include #define SNDRV_LEGACY_FIND_FREE_IRQ #define SNDRV_LEGACY_FIND_FREE_DMA @@ -267,9 +267,10 @@ static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0) goto _err; - if ((err = snd_ad1848_create(card, wssport[dev] + 4, - xirq, xdma1, - WSS_HW_DETECT, &chip)) < 0) + err = snd_wss_create(card, wssport[dev] + 4, -1, + xirq, xdma1, -1, + WSS_HW_DETECT, 0, &chip); + if (err < 0) goto _err; card->private_data = chip; @@ -331,8 +332,8 @@ static int snd_sgalaxy_resume(struct device *pdev, unsigned int n) struct snd_wss *chip = card->private_data; chip->resume(chip); - snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]); - snd_ad1848_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]); + snd_wss_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]); + snd_wss_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 57d1e8ee6bbb..a5602f515f49 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1073,7 +1073,11 @@ irqreturn_t snd_wss_interrupt(int irq, void *dev_id) struct snd_wss *chip = dev_id; unsigned char status; - status = snd_wss_in(chip, CS4231_IRQ_STATUS); + if (chip->hardware & WSS_HW_AD1848_MASK) + /* pretend it was the only possible irq for AD1848 */ + status = CS4231_PLAYBACK_IRQ; + else + status = snd_wss_in(chip, CS4231_IRQ_STATUS); if (status & CS4231_TIMER_IRQ) { if (chip->timer) snd_timer_interrupt(chip->timer, chip->timer->sticks); @@ -1105,7 +1109,11 @@ irqreturn_t snd_wss_interrupt(int irq, void *dev_id) } spin_lock(&chip->reg_lock); - snd_wss_outm(chip, CS4231_IRQ_STATUS, ~CS4231_ALL_IRQS | ~status, 0); + status = ~CS4231_ALL_IRQS | ~status; + if (chip->hardware & WSS_HW_AD1848_MASK) + wss_outb(chip, CS4231P(STATUS), 0); + else + snd_wss_outm(chip, CS4231_IRQ_STATUS, status, 0); spin_unlock(&chip->reg_lock); return IRQ_HANDLED; } @@ -1137,36 +1145,112 @@ static snd_pcm_uframes_t snd_wss_capture_pointer(struct snd_pcm_substream *subst */ -static int snd_wss_probe(struct snd_wss *chip) +static int snd_ad1848_probe(struct snd_wss *chip) { unsigned long flags; - int i, id, rev; - unsigned char *ptr; - unsigned int hw; + int i, id, rev, ad1847; -#if 0 - snd_wss_debug(chip); -#endif id = 0; - for (i = 0; i < 50; i++) { + ad1847 = 0; + for (i = 0; i < 1000; i++) { mb(); - if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) - udelay(2000); + if (inb(chip->port + CS4231P(REGSEL)) & CS4231_INIT) + msleep(1); else { spin_lock_irqsave(&chip->reg_lock, flags); - snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2); - id = snd_wss_in(chip, CS4231_MISC_INFO) & 0x0f; + snd_wss_out(chip, CS4231_MISC_INFO, 0x00); + snd_wss_out(chip, CS4231_LEFT_INPUT, 0xaa); + snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x45); + rev = snd_wss_in(chip, CS4231_RIGHT_INPUT); + if (rev == 0x65) { + spin_unlock_irqrestore(&chip->reg_lock, flags); + id = 1; + ad1847 = 1; + break; + } + if (snd_wss_in(chip, CS4231_LEFT_INPUT) == 0xaa && + rev == 0x45) { + spin_unlock_irqrestore(&chip->reg_lock, flags); + id = 1; + break; + } spin_unlock_irqrestore(&chip->reg_lock, flags); - if (id == 0x0a) - break; /* this is valid value */ } } - snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip->port, id); - if (id != 0x0a) + if (id != 1) return -ENODEV; /* no valid device found */ + id = 0; + if (chip->hardware == WSS_HW_DETECT) + id = ad1847 ? WSS_HW_AD1847 : WSS_HW_AD1848; + + spin_lock_irqsave(&chip->reg_lock, flags); + inb(chip->port + CS4231P(STATUS)); /* clear any pendings IRQ */ + outb(0, chip->port + CS4231P(STATUS)); + mb(); + if (id == WSS_HW_AD1848) { + /* check if there are more than 16 registers */ + rev = snd_wss_in(chip, CS4231_MISC_INFO); + snd_wss_out(chip, CS4231_MISC_INFO, 0x40); + for (i = 0; i < 16; ++i) { + if (snd_wss_in(chip, i) != snd_wss_in(chip, i + 16)) { + id = WSS_HW_CMI8330; + break; + } + } + snd_wss_out(chip, CS4231_MISC_INFO, 0x00); + if (id != WSS_HW_CMI8330 && (rev & 0x80)) + id = WSS_HW_CS4248; + if (id == WSS_HW_CMI8330 && (rev & 0x0f) != 0x0a) + id = 0; + } + if (id == WSS_HW_CMI8330) { + /* verify it is not CS4231 by changing the version register */ + /* on CMI8330 it is volume control register and can be set 0 */ + snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2); + snd_wss_dout(chip, CS4231_VERSION, 0x00); + rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7; + if (rev) + id = 0; + snd_wss_out(chip, CS4231_MISC_INFO, 0); + } + if (id) + chip->hardware = id; + + spin_unlock_irqrestore(&chip->reg_lock, flags); + return 0; /* all things are ok.. */ +} + +static int snd_wss_probe(struct snd_wss *chip) +{ + unsigned long flags; + int i, id, rev, regnum; + unsigned char *ptr; + unsigned int hw; + + id = snd_ad1848_probe(chip); + if (id < 0) + return id; hw = chip->hardware; if ((hw & WSS_HW_TYPE_MASK) == WSS_HW_DETECT) { + for (i = 0; i < 50; i++) { + mb(); + if (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) + msleep(2); + else { + spin_lock_irqsave(&chip->reg_lock, flags); + snd_wss_out(chip, CS4231_MISC_INFO, + CS4231_MODE2); + id = snd_wss_in(chip, CS4231_MISC_INFO) & 0x0f; + spin_unlock_irqrestore(&chip->reg_lock, flags); + if (id == 0x0a) + break; /* this is valid value */ + } + } + snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip->port, id); + if (id != 0x0a) + return -ENODEV; /* no valid device found */ + rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7; snd_printdd("CS4231: VERSION (I25) = 0x%x\n", rev); if (rev == 0x80) { @@ -1197,7 +1281,8 @@ static int snd_wss_probe(struct snd_wss *chip) mb(); spin_unlock_irqrestore(&chip->reg_lock, flags); - chip->image[CS4231_MISC_INFO] = CS4231_MODE2; + if (!(chip->hardware & WSS_HW_AD1848_MASK)) + chip->image[CS4231_MISC_INFO] = CS4231_MODE2; switch (chip->hardware) { case WSS_HW_INTERWAVE: chip->image[CS4231_MISC_INFO] = CS4231_IW_MODE3; @@ -1223,9 +1308,10 @@ static int snd_wss_probe(struct snd_wss *chip) chip->hardware == WSS_HW_INTERWAVE ? 0xc2 : 0x01; } ptr = (unsigned char *) &chip->image; + regnum = (chip->hardware & WSS_HW_AD1848_MASK) ? 16 : 32; snd_wss_mce_down(chip); spin_lock_irqsave(&chip->reg_lock, flags); - for (i = 0; i < 32; i++) /* ok.. fill all CS4231 registers */ + for (i = 0; i < regnum; i++) /* ok.. fill all registers */ snd_wss_out(chip, i, *ptr++); spin_unlock_irqrestore(&chip->reg_lock, flags); snd_wss_mce_up(chip); @@ -1635,6 +1721,10 @@ static int snd_wss_new(struct snd_card *card, else memcpy(&chip->image, &snd_wss_original_image, sizeof(snd_wss_original_image)); + if (chip->hardware & WSS_HW_AD1848_MASK) { + chip->image[CS4231_PIN_CTRL] = 0; + chip->image[CS4231_TEST_INIT] = 0; + } *rchip = chip; return 0; @@ -1662,7 +1752,7 @@ int snd_wss_create(struct snd_card *card, chip->dma1 = -1; chip->dma2 = -1; - chip->res_port = request_region(port, 4, "CS4231"); + chip->res_port = request_region(port, 4, "WSS"); if (!chip->res_port) { snd_printk(KERN_ERR "wss: can't grab port 0x%lx\n", port); snd_wss_free(chip); @@ -1681,20 +1771,20 @@ int snd_wss_create(struct snd_card *card, chip->cport = cport; if (!(hwshare & WSS_HWSHARE_IRQ)) if (request_irq(irq, snd_wss_interrupt, IRQF_DISABLED, - "CS4231", (void *) chip)) { + "WSS", (void *) chip)) { snd_printk(KERN_ERR "wss: can't grab IRQ %d\n", irq); snd_wss_free(chip); return -EBUSY; } chip->irq = irq; - if (!(hwshare & WSS_HWSHARE_DMA1) && request_dma(dma1, "CS4231 - 1")) { + if (!(hwshare & WSS_HWSHARE_DMA1) && request_dma(dma1, "WSS - 1")) { snd_printk(KERN_ERR "wss: can't grab DMA1 %d\n", dma1); snd_wss_free(chip); return -EBUSY; } chip->dma1 = dma1; if (!(hwshare & WSS_HWSHARE_DMA2) && dma1 != dma2 && - dma2 >= 0 && request_dma(dma2, "CS4231 - 2")) { + dma2 >= 0 && request_dma(dma2, "WSS - 2")) { snd_printk(KERN_ERR "wss: can't grab DMA2 %d\n", dma2); snd_wss_free(chip); return -EBUSY; @@ -1705,6 +1795,12 @@ int snd_wss_create(struct snd_card *card, } else chip->dma2 = dma2; + if (hardware == WSS_HW_THINKPAD) { + chip->thinkpad_flag = 1; + chip->hardware = WSS_HW_DETECT; /* reset */ + snd_wss_thinkpad_twiddle(chip, 1); + } + /* global setup */ if (snd_wss_probe(chip) < 0) { snd_wss_free(chip); @@ -1775,12 +1871,6 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops); - /* temporary */ - if (chip->hardware & WSS_HW_AD1848_MASK) { - chip->rate_constraint = snd_wss_xrate; - chip->set_playback_format = snd_wss_playback_format; - chip->set_capture_format = snd_wss_capture_format; - } /* global setup */ pcm->private_data = chip; pcm->info_flags = 0; -- GitLab From 31eca307fd9b1eb9ec138eb01bcfed16af60dabb Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Thu, 31 Jul 2008 21:11:46 +0200 Subject: [PATCH 0265/6244] ALSA: wss_lib: fix opti93x capture formats limitations Limit opti93x cards capture formats to only linear ones. Signed-off-by: Krzysztof Helt Reviewed-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/wss/wss_lib.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index a5602f515f49..f2df77bd1308 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1495,8 +1495,10 @@ static int snd_wss_capture_open(struct snd_pcm_substream *substream) /* hardware limitation of cheap chips */ if (chip->hardware == WSS_HW_CS4235 || - chip->hardware == WSS_HW_CS4239) - runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE; + chip->hardware == WSS_HW_CS4239 || + chip->hardware == WSS_HW_OPTI93X) + runtime->hw.formats = SNDRV_PCM_FMTBIT_U8 | + SNDRV_PCM_FMTBIT_S16_LE; snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); -- GitLab From a0d9274cd888ada59fe2734f45019d84bc40ac3d Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Mon, 4 Aug 2008 05:26:26 +0200 Subject: [PATCH 0266/6244] ALSA: wss_lib: opti92x-ad1848 WSS_HW_DETECT fix snd-opti92x-ad1848 mistakingly passes WSS_HW_OPTI93X currently. This fixes it as tested with a OPTi 82C929A/AD1848 card. Signed-off-by: Rene Herman Acked-by: Krzysztof Helt Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/opti9xx/opti92x-ad1848.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index cb5f66bde5d3..19706b0d8497 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -719,6 +719,8 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) chip->dma1 = dma1; #if defined(CS4231) || defined(OPTi93X) chip->dma2 = dma2; +#else + chip->dma2 = -1; #endif if (chip->wss_base == SNDRV_AUTO_PORT) { @@ -734,10 +736,10 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card) error = snd_wss_create(card, chip->wss_base + 4, -1, chip->irq, chip->dma1, chip->dma2, -#ifdef CS4231 - WSS_HW_DETECT, 0, -#else /* OPTi93x */ +#ifdef OPTi93X WSS_HW_OPTI93X, WSS_HWSHARE_IRQ, +#else + WSS_HW_DETECT, 0, #endif &codec); if (error < 0) -- GitLab From f1789f451d2ee18ff2bbc5afe78e1a7b9b714003 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Sun, 3 Aug 2008 17:57:21 +0200 Subject: [PATCH 0267/6244] ALSA: wss_lib: remove second mutexes initialization Remove initializations of spinlock and mutexes which are done earlier in snd_wss_new(). The snd_wss_new() is called from snd_wss_create(). Signed-off-by: Krzysztof Helt Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/wss/wss_lib.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index f2df77bd1308..fff8a3b79fdf 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1866,10 +1866,6 @@ int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm) if (err < 0) return err; - spin_lock_init(&chip->reg_lock); - mutex_init(&chip->mce_mutex); - mutex_init(&chip->open_mutex); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_wss_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_wss_capture_ops); -- GitLab From ebae22590dccd2b8495c97e85290f5e07af7dc62 Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Mon, 4 Aug 2008 01:23:43 +0200 Subject: [PATCH 0268/6244] ALSA: snd-cs4236: add Techmakers MF-4236PW PnP card ID Add the Techmakers MF-4236PW (Crystal CX4236B-XQ3) PnP card ID. Signed-off-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/cs423x/cs4236.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 3ff0f1229910..91f9c15d3e30 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -239,6 +239,8 @@ static struct pnp_card_device_id snd_cs423x_pnpids[] = { { .id = "CSC9836", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } }, /* Gallant SC-70P */ { .id = "CSC9837", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } }, + /* Techmakers MF-4236PW */ + { .id = "CSCa736", .devs = { { "CSC0000" }, { "CSC0010" }, { "CSC0003" } } }, /* TerraTec AudioSystem EWS64XL - CS4236B */ { .id = "CSCa836", .devs = { { "CSCa800" }, { "CSCa810" }, { "CSCa803" } } }, /* TerraTec AudioSystem EWS64XL - CS4236B */ -- GitLab From 6ddfa7432adc24c7471abe9d338a78540d0d025b Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Tue, 5 Aug 2008 09:33:33 +0200 Subject: [PATCH 0269/6244] ALSA: wss_lib: fix AZT2320 probe. After the transition from cs4321_lib to wss_lib, azt2320 probe visits snd_ad1848_probe during detection. It expects register 0 (LEFT_INPUT) to be able to retain the value 0xaa during detection but AZT2320 does not support MIC gain meaning it reads back as 0x8a instead. Signed-off-by: Rene Herman Acked-by: Krzysztof Helt Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/wss/wss_lib.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index fff8a3b79fdf..866e8686dbe7 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1168,11 +1168,13 @@ static int snd_ad1848_probe(struct snd_wss *chip) ad1847 = 1; break; } - if (snd_wss_in(chip, CS4231_LEFT_INPUT) == 0xaa && - rev == 0x45) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - break; + if (rev == 0x45) { + rev = snd_wss_in(chip, CS4231_LEFT_INPUT); + if (rev == 0xaa || rev == 0x8a) { + spin_unlock_irqrestore(&chip->reg_lock, flags); + id = 1; + break; + } } spin_unlock_irqrestore(&chip->reg_lock, flags); } -- GitLab From e8f9ae2a4a0654e7798b8c0ae956e3f0fdc23c8d Mon Sep 17 00:00:00 2001 From: Pascal Terjan Date: Mon, 4 Aug 2008 14:36:05 +0200 Subject: [PATCH 0270/6244] ALSA: hda - Fix sound on NEC Versa S9100 This patch adds sound support for NEC Versa S9100 With it, we get sound on the internal speaker and headphone (with automute working) while there is no sound by default. External mic also works fine but I don't know if there is an internal one (if there is an internal mic it does not work currently), and I had to send back the hardware. Signed-off-by: Pascal Terjan Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 48 +++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 38017a129ba7..4bd26725355c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -100,6 +100,7 @@ enum { ALC262_BENQ_T31, ALC262_ULTRA, ALC262_LENOVO_3000, + ALC262_NEC, ALC262_AUTO, ALC262_MODEL_LAST /* last tag */ }; @@ -8947,6 +8948,41 @@ static void alc262_hippo1_unsol_event(struct hda_codec *codec, alc262_hippo1_automute(codec); } +/* + * nec model + * 0x15 = headphone + * 0x16 = internal speaker + * 0x18 = external mic + */ + +static struct snd_kcontrol_new alc262_nec_mixer[] = { + HDA_CODEC_VOLUME_MONO("Speaker Playback Volume", 0x0e, 1, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE_MONO("Speaker Playback Switch", 0x16, 0, 0x0, HDA_OUTPUT), + + HDA_CODEC_VOLUME("Mic Playback Volume", 0x0b, 0x0, HDA_INPUT), + HDA_CODEC_MUTE("Mic Playback Switch", 0x0b, 0x0, HDA_INPUT), + HDA_CODEC_VOLUME("Mic Boost", 0x18, 0, HDA_INPUT), + + HDA_CODEC_VOLUME("Headphone Playback Volume", 0x0d, 0x0, HDA_OUTPUT), + HDA_CODEC_MUTE("Headphone Playback Switch", 0x15, 0x0, HDA_OUTPUT), + { } /* end */ +}; + +static struct hda_verb alc262_nec_verbs[] = { + /* Unmute Speaker */ + {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE}, + + /* Headphone */ + {0x15, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | ALC880_HP_EVENT}, + {0x15, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, + + /* External mic to headphone */ + {0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, + /* External mic to speaker */ + {0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(1)}, + {} +}; + /* * fujitsu model * 0x14 = headphone/spdif-out, 0x15 = internal speaker, @@ -9731,11 +9767,13 @@ static const char *alc262_models[ALC262_MODEL_LAST] = { [ALC262_SONY_ASSAMD] = "sony-assamd", [ALC262_ULTRA] = "ultra", [ALC262_LENOVO_3000] = "lenovo-3000", + [ALC262_NEC] = "nec", [ALC262_AUTO] = "auto", }; static struct snd_pci_quirk alc262_cfg_tbl[] = { SND_PCI_QUIRK(0x1002, 0x437b, "Hippo", ALC262_HIPPO), + SND_PCI_QUIRK(0x1033, 0x8895, "NEC Versa S9100", ALC262_NEC), SND_PCI_QUIRK(0x103c, 0x12fe, "HP xw9400", ALC262_HP_BPC), SND_PCI_QUIRK(0x103c, 0x12ff, "HP xw4550", ALC262_HP_BPC), SND_PCI_QUIRK(0x103c, 0x1306, "HP xw8600", ALC262_HP_BPC), @@ -9946,6 +9984,16 @@ static struct alc_config_preset alc262_presets[] = { .input_mux = &alc262_fujitsu_capture_source, .unsol_event = alc262_lenovo_3000_unsol_event, }, + [ALC262_NEC] = { + .mixers = { alc262_nec_mixer }, + .init_verbs = { alc262_nec_verbs }, + .num_dacs = ARRAY_SIZE(alc262_dac_nids), + .dac_nids = alc262_dac_nids, + .hp_nid = 0x03, + .num_channel_mode = ARRAY_SIZE(alc262_modes), + .channel_mode = alc262_modes, + .input_mux = &alc262_capture_source, + }, }; static int patch_alc262(struct hda_codec *codec) -- GitLab From 8c650087992f1d7a3a7be2e632f4e85a52d20619 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 4 Aug 2008 10:39:59 -0300 Subject: [PATCH 0271/6244] ALSA: hda: Add support for ECS/PC Chips boards with Sigmatel codecs Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) and CDI Brasil (www.cdibrasil.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 35 ++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 23a7b2228e3c..fac6b3ca5fe2 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -110,6 +110,7 @@ enum { STAC_MACBOOK_PRO_V2, STAC_IMAC_INTEL, STAC_IMAC_INTEL_20, + STAC_ECS_202, STAC_922X_DELL_D81, STAC_922X_DELL_D82, STAC_922X_DELL_M81, @@ -1586,6 +1587,11 @@ static unsigned int intel_mac_v5_pin_configs[10] = { 0x400000fc, 0x400000fb, }; +static unsigned int ecs202_pin_configs[10] = { + 0x0221401f, 0x02a19020, 0x01a19020, 0x01114010, + 0x408000f0, 0x01813022, 0x074510a0, 0x40c400f1, + 0x9037012e, 0x40e000f2, +}; static unsigned int *stac922x_brd_tbl[STAC_922X_MODELS] = { [STAC_D945_REF] = ref922x_pin_configs, @@ -1604,6 +1610,7 @@ static unsigned int *stac922x_brd_tbl[STAC_922X_MODELS] = { [STAC_MACBOOK_PRO_V2] = intel_mac_v3_pin_configs, [STAC_IMAC_INTEL] = intel_mac_v2_pin_configs, [STAC_IMAC_INTEL_20] = intel_mac_v3_pin_configs, + [STAC_ECS_202] = ecs202_pin_configs, [STAC_922X_DELL_D81] = dell_922x_d81_pin_configs, [STAC_922X_DELL_D82] = dell_922x_d82_pin_configs, [STAC_922X_DELL_M81] = dell_922x_m81_pin_configs, @@ -1627,6 +1634,7 @@ static const char *stac922x_models[STAC_922X_MODELS] = { [STAC_MACBOOK_PRO_V2] = "macbook-pro", [STAC_IMAC_INTEL] = "imac-intel", [STAC_IMAC_INTEL_20] = "imac-intel-20", + [STAC_ECS_202] = "ecs202", [STAC_922X_DELL_D81] = "dell-d81", [STAC_922X_DELL_D82] = "dell-d82", [STAC_922X_DELL_M81] = "dell-m81", @@ -1713,6 +1721,33 @@ static struct snd_pci_quirk stac922x_cfg_tbl[] = { "unknown Dell", STAC_922X_DELL_D81), SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x01d7, "Dell XPS M1210", STAC_922X_DELL_M82), + /* ECS/PC Chips boards */ + SND_PCI_QUIRK(0x1019, 0x2144, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2608, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2633, + "ECS/PC chips P17G/1333", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2811, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2812, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2813, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2814, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2815, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2816, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2817, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2818, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2819, + "ECS/PC chips", STAC_ECS_202), + SND_PCI_QUIRK(0x1019, 0x2820, + "ECS/PC chips", STAC_ECS_202), {} /* terminator */ }; -- GitLab From 0e0e16a87a0b973702feb572c2552d82e1aec5b9 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 4 Aug 2008 12:06:45 +0100 Subject: [PATCH 0272/6244] ALSA: ASoC: Add WM8900 CODEC driver The WM8900 is designed for portable multimedia applications requiring low power consumption, high performance audio and a compact form factor providing: - 24 bit stereo ADC and DAC - Microphone and line inputs - Line outputs - Class G headphone amplifier Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/wm8900.c | 1542 +++++++++++++++++++++++++++++++++++++ sound/soc/codecs/wm8900.h | 64 ++ 4 files changed, 1612 insertions(+) create mode 100644 sound/soc/codecs/wm8900.c create mode 100644 sound/soc/codecs/wm8900.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 1c934230494f..d7bacf6c529c 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -8,6 +8,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_WM8731 select SND_SOC_WM8750 select SND_SOC_WM8753 + select SND_SOC_WM8900 select SND_SOC_WM8990 select SND_SOC_CS4270 select SND_SOC_TLV320AIC26 @@ -46,6 +47,9 @@ config SND_SOC_WM8750 config SND_SOC_WM8753 tristate +config SND_SOC_WM8900 + tristate + config SND_SOC_WM8990 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 409e4dd1789a..98808d945ded 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -6,6 +6,7 @@ snd-soc-wm8510-objs := wm8510.o snd-soc-wm8731-objs := wm8731.o snd-soc-wm8750-objs := wm8750.o snd-soc-wm8753-objs := wm8753.o +snd-soc-wm8900-objs := wm8900.o snd-soc-wm8990-objs := wm8990.o snd-soc-wm9712-objs := wm9712.o snd-soc-wm9713-objs := wm9713.o @@ -21,6 +22,7 @@ obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o +obj-$(CONFIG_SND_SOC_WM8900) += snd-soc-wm8900.o obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o diff --git a/sound/soc/codecs/wm8900.c b/sound/soc/codecs/wm8900.c new file mode 100644 index 000000000000..0b8c6d38b48f --- /dev/null +++ b/sound/soc/codecs/wm8900.c @@ -0,0 +1,1542 @@ +/* + * wm8900.c -- WM8900 ALSA Soc Audio driver + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * TODO: + * - Tristating. + * - TDM. + * - Jack detect. + * - FLL source configuration, currently only MCLK is supported. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wm8900.h" + +/* WM8900 register space */ +#define WM8900_REG_RESET 0x0 +#define WM8900_REG_ID 0x0 +#define WM8900_REG_POWER1 0x1 +#define WM8900_REG_POWER2 0x2 +#define WM8900_REG_POWER3 0x3 +#define WM8900_REG_AUDIO1 0x4 +#define WM8900_REG_AUDIO2 0x5 +#define WM8900_REG_CLOCKING1 0x6 +#define WM8900_REG_CLOCKING2 0x7 +#define WM8900_REG_AUDIO3 0x8 +#define WM8900_REG_AUDIO4 0x9 +#define WM8900_REG_DACCTRL 0xa +#define WM8900_REG_LDAC_DV 0xb +#define WM8900_REG_RDAC_DV 0xc +#define WM8900_REG_SIDETONE 0xd +#define WM8900_REG_ADCCTRL 0xe +#define WM8900_REG_LADC_DV 0xf +#define WM8900_REG_RADC_DV 0x10 +#define WM8900_REG_GPIO 0x12 +#define WM8900_REG_INCTL 0x15 +#define WM8900_REG_LINVOL 0x16 +#define WM8900_REG_RINVOL 0x17 +#define WM8900_REG_INBOOSTMIX1 0x18 +#define WM8900_REG_INBOOSTMIX2 0x19 +#define WM8900_REG_ADCPATH 0x1a +#define WM8900_REG_AUXBOOST 0x1b +#define WM8900_REG_ADDCTL 0x1e +#define WM8900_REG_FLLCTL1 0x24 +#define WM8900_REG_FLLCTL2 0x25 +#define WM8900_REG_FLLCTL3 0x26 +#define WM8900_REG_FLLCTL4 0x27 +#define WM8900_REG_FLLCTL5 0x28 +#define WM8900_REG_FLLCTL6 0x29 +#define WM8900_REG_LOUTMIXCTL1 0x2c +#define WM8900_REG_ROUTMIXCTL1 0x2d +#define WM8900_REG_BYPASS1 0x2e +#define WM8900_REG_BYPASS2 0x2f +#define WM8900_REG_AUXOUT_CTL 0x30 +#define WM8900_REG_LOUT1CTL 0x33 +#define WM8900_REG_ROUT1CTL 0x34 +#define WM8900_REG_LOUT2CTL 0x35 +#define WM8900_REG_ROUT2CTL 0x36 +#define WM8900_REG_HPCTL1 0x3a +#define WM8900_REG_OUTBIASCTL 0x73 + +#define WM8900_MAXREG 0x80 + +#define WM8900_REG_ADDCTL_OUT1_DIS 0x80 +#define WM8900_REG_ADDCTL_OUT2_DIS 0x40 +#define WM8900_REG_ADDCTL_VMID_DIS 0x20 +#define WM8900_REG_ADDCTL_BIAS_SRC 0x10 +#define WM8900_REG_ADDCTL_VMID_SOFTST 0x04 +#define WM8900_REG_ADDCTL_TEMP_SD 0x02 + +#define WM8900_REG_GPIO_TEMP_ENA 0x2 + +#define WM8900_REG_POWER1_STARTUP_BIAS_ENA 0x0100 +#define WM8900_REG_POWER1_BIAS_ENA 0x0008 +#define WM8900_REG_POWER1_VMID_BUF_ENA 0x0004 +#define WM8900_REG_POWER1_FLL_ENA 0x0040 + +#define WM8900_REG_POWER2_SYSCLK_ENA 0x8000 +#define WM8900_REG_POWER2_ADCL_ENA 0x0002 +#define WM8900_REG_POWER2_ADCR_ENA 0x0001 + +#define WM8900_REG_POWER3_DACL_ENA 0x0002 +#define WM8900_REG_POWER3_DACR_ENA 0x0001 + +#define WM8900_REG_AUDIO1_AIF_FMT_MASK 0x0018 +#define WM8900_REG_AUDIO1_LRCLK_INV 0x0080 +#define WM8900_REG_AUDIO1_BCLK_INV 0x0100 + +#define WM8900_REG_CLOCKING1_BCLK_DIR 0x1 +#define WM8900_REG_CLOCKING1_MCLK_SRC 0x100 +#define WM8900_REG_CLOCKING1_BCLK_MASK (~0x01e) +#define WM8900_REG_CLOCKING1_OPCLK_MASK (~0x7000) + +#define WM8900_REG_CLOCKING2_ADC_CLKDIV 0xe0 +#define WM8900_REG_CLOCKING2_DAC_CLKDIV 0x1c + +#define WM8900_REG_DACCTRL_MUTE 0x004 +#define WM8900_REG_DACCTRL_AIF_LRCLKRATE 0x400 + +#define WM8900_REG_AUDIO3_ADCLRC_DIR 0x0800 + +#define WM8900_REG_AUDIO4_DACLRC_DIR 0x0800 + +#define WM8900_REG_FLLCTL1_OSC_ENA 0x100 + +#define WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF 0x100 + +#define WM8900_REG_HPCTL1_HP_IPSTAGE_ENA 0x80 +#define WM8900_REG_HPCTL1_HP_OPSTAGE_ENA 0x40 +#define WM8900_REG_HPCTL1_HP_CLAMP_IP 0x20 +#define WM8900_REG_HPCTL1_HP_CLAMP_OP 0x10 +#define WM8900_REG_HPCTL1_HP_SHORT 0x08 +#define WM8900_REG_HPCTL1_HP_SHORT2 0x04 + +#define WM8900_LRC_MASK 0xfc00 + +struct snd_soc_codec_device soc_codec_dev_wm8900; + +struct wm8900_priv { + u32 fll_in; /* FLL input frequency */ + u32 fll_out; /* FLL output frequency */ +}; + +/* + * wm8900 register cache. We can't read the entire register space and we + * have slow control buses so we cache the registers. + */ +static const u16 wm8900_reg_defaults[WM8900_MAXREG] = { + 0x8900, 0x0000, + 0xc000, 0x0000, + 0x4050, 0x4000, + 0x0008, 0x0000, + 0x0040, 0x0040, + 0x1004, 0x00c0, + 0x00c0, 0x0000, + 0x0100, 0x00c0, + 0x00c0, 0x0000, + 0xb001, 0x0000, + 0x0000, 0x0044, + 0x004c, 0x004c, + 0x0044, 0x0044, + 0x0000, 0x0044, + 0x0000, 0x0000, + 0x0002, 0x0000, + 0x0000, 0x0000, + 0x0000, 0x0000, + 0x0008, 0x0000, + 0x0000, 0x0008, + 0x0097, 0x0100, + 0x0000, 0x0000, + 0x0050, 0x0050, + 0x0055, 0x0055, + 0x0055, 0x0000, + 0x0000, 0x0079, + 0x0079, 0x0079, + 0x0079, 0x0000, + /* Remaining registers all zero */ +}; + +/* + * read wm8900 register cache + */ +static inline unsigned int wm8900_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + + BUG_ON(reg >= WM8900_MAXREG); + + if (reg == WM8900_REG_ID) + return 0; + + return cache[reg]; +} + +/* + * write wm8900 register cache + */ +static inline void wm8900_write_reg_cache(struct snd_soc_codec *codec, + u16 reg, unsigned int value) +{ + u16 *cache = codec->reg_cache; + + BUG_ON(reg >= WM8900_MAXREG); + + cache[reg] = value; +} + +/* + * write to the WM8900 register space + */ +static int wm8900_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u8 data[3]; + + if (value == wm8900_read_reg_cache(codec, reg)) + return 0; + + /* data is + * D15..D9 WM8900 register offset + * D8...D0 register data + */ + data[0] = reg; + data[1] = value >> 8; + data[2] = value & 0x00ff; + + wm8900_write_reg_cache(codec, reg, value); + if (codec->hw_write(codec->control_data, data, 3) == 3) + return 0; + else + return -EIO; +} + +/* + * Read from the wm8900. + */ +static unsigned int wm8900_chip_read(struct snd_soc_codec *codec, u8 reg) +{ + struct i2c_msg xfer[2]; + u16 data; + int ret; + struct i2c_client *client = codec->control_data; + + BUG_ON(reg != WM8900_REG_ID && reg != WM8900_REG_POWER1); + + /* Write register */ + xfer[0].addr = client->addr; + xfer[0].flags = 0; + xfer[0].len = 1; + xfer[0].buf = ® + + /* Read data */ + xfer[1].addr = client->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = 2; + xfer[1].buf = (u8 *)&data; + + ret = i2c_transfer(client->adapter, xfer, 2); + if (ret != 2) { + printk(KERN_CRIT "i2c_transfer returned %d\n", ret); + return 0; + } + + return (data >> 8) | ((data & 0xff) << 8); +} + +/* + * Read from the WM8900 register space. Most registers can't be read + * and are therefore supplied from cache. + */ +static unsigned int wm8900_read(struct snd_soc_codec *codec, unsigned int reg) +{ + switch (reg) { + case WM8900_REG_ID: + return wm8900_chip_read(codec, reg); + default: + return wm8900_read_reg_cache(codec, reg); + } +} + +static void wm8900_reset(struct snd_soc_codec *codec) +{ + wm8900_write(codec, WM8900_REG_RESET, 0); + + memcpy(codec->reg_cache, wm8900_reg_defaults, + sizeof(codec->reg_cache)); +} + +static int wm8900_hp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + u16 hpctl1 = wm8900_read(codec, WM8900_REG_HPCTL1); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + /* Clamp headphone outputs */ + hpctl1 = WM8900_REG_HPCTL1_HP_CLAMP_IP | + WM8900_REG_HPCTL1_HP_CLAMP_OP; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + break; + + case SND_SOC_DAPM_POST_PMU: + /* Enable the input stage */ + hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_IP; + hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT | + WM8900_REG_HPCTL1_HP_SHORT2 | + WM8900_REG_HPCTL1_HP_IPSTAGE_ENA; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + + msleep(400); + + /* Enable the output stage */ + hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_OP; + hpctl1 |= WM8900_REG_HPCTL1_HP_OPSTAGE_ENA; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + + /* Remove the shorts */ + hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT2; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + break; + + case SND_SOC_DAPM_PRE_PMD: + /* Short the output */ + hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + + /* Disable the output stage */ + hpctl1 &= ~WM8900_REG_HPCTL1_HP_OPSTAGE_ENA; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + + /* Clamp the outputs and power down input */ + hpctl1 |= WM8900_REG_HPCTL1_HP_CLAMP_IP | + WM8900_REG_HPCTL1_HP_CLAMP_OP; + hpctl1 &= ~WM8900_REG_HPCTL1_HP_IPSTAGE_ENA; + wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); + break; + + case SND_SOC_DAPM_POST_PMD: + /* Disable everything */ + wm8900_write(codec, WM8900_REG_HPCTL1, 0); + break; + + default: + BUG(); + } + + return 0; +} + +static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 100, 0); + +static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 0); + +static const DECLARE_TLV_DB_SCALE(in_boost_tlv, -1200, 600, 0); + +static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1200, 100, 0); + +static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); + +static const DECLARE_TLV_DB_SCALE(dac_tlv, -7200, 75, 1); + +static const DECLARE_TLV_DB_SCALE(adc_svol_tlv, -3600, 300, 0); + +static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1); + +static const char *mic_bias_level_txt[] = { "0.9*AVDD", "0.65*AVDD" }; + +static const struct soc_enum mic_bias_level = +SOC_ENUM_SINGLE(WM8900_REG_INCTL, 8, 2, mic_bias_level_txt); + +static const char *dac_mute_rate_txt[] = { "Fast", "Slow" }; + +static const struct soc_enum dac_mute_rate = +SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 7, 2, dac_mute_rate_txt); + +static const char *dac_deemphasis_txt[] = { + "Disabled", "32kHz", "44.1kHz", "48kHz" +}; + +static const struct soc_enum dac_deemphasis = +SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 4, 4, dac_deemphasis_txt); + +static const char *adc_hpf_cut_txt[] = { + "Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3" +}; + +static const struct soc_enum adc_hpf_cut = +SOC_ENUM_SINGLE(WM8900_REG_ADCCTRL, 5, 4, adc_hpf_cut_txt); + +static const char *lr_txt[] = { + "Left", "Right" +}; + +static const struct soc_enum aifl_src = +SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 15, 2, lr_txt); + +static const struct soc_enum aifr_src = +SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 14, 2, lr_txt); + +static const struct soc_enum dacl_src = +SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 15, 2, lr_txt); + +static const struct soc_enum dacr_src = +SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 14, 2, lr_txt); + +static const char *sidetone_txt[] = { + "Disabled", "Left ADC", "Right ADC" +}; + +static const struct soc_enum dacl_sidetone = +SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 2, 3, sidetone_txt); + +static const struct soc_enum dacr_sidetone = +SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 0, 3, sidetone_txt); + +static const struct snd_kcontrol_new wm8900_snd_controls[] = { +SOC_ENUM("Mic Bias Level", mic_bias_level), + +SOC_SINGLE_TLV("Left Input PGA Volume", WM8900_REG_LINVOL, 0, 31, 0, + in_pga_tlv), +SOC_SINGLE("Left Input PGA Switch", WM8900_REG_LINVOL, 6, 1, 1), +SOC_SINGLE("Left Input PGA ZC Switch", WM8900_REG_LINVOL, 7, 1, 0), + +SOC_SINGLE_TLV("Right Input PGA Volume", WM8900_REG_RINVOL, 0, 31, 0, + in_pga_tlv), +SOC_SINGLE("Right Input PGA Switch", WM8900_REG_RINVOL, 6, 1, 1), +SOC_SINGLE("Right Input PGA ZC Switch", WM8900_REG_RINVOL, 7, 1, 0), + +SOC_SINGLE("DAC Soft Mute Switch", WM8900_REG_DACCTRL, 6, 1, 1), +SOC_ENUM("DAC Mute Rate", dac_mute_rate), +SOC_SINGLE("DAC Mono Switch", WM8900_REG_DACCTRL, 9, 1, 0), +SOC_ENUM("DAC Deemphasis", dac_deemphasis), +SOC_SINGLE("DAC Sloping Stopband Filter Switch", WM8900_REG_DACCTRL, 8, 1, 0), +SOC_SINGLE("DAC Sigma-Delta Modulator Clock Switch", WM8900_REG_DACCTRL, + 12, 1, 0), + +SOC_SINGLE("ADC HPF Switch", WM8900_REG_ADCCTRL, 8, 1, 0), +SOC_ENUM("ADC HPF Cut-Off", adc_hpf_cut), +SOC_DOUBLE("ADC Invert Switch", WM8900_REG_ADCCTRL, 1, 0, 1, 0), +SOC_SINGLE_TLV("Left ADC Sidetone Volume", WM8900_REG_SIDETONE, 9, 12, 0, + adc_svol_tlv), +SOC_SINGLE_TLV("Right ADC Sidetone Volume", WM8900_REG_SIDETONE, 5, 12, 0, + adc_svol_tlv), +SOC_ENUM("Left Digital Audio Source", aifl_src), +SOC_ENUM("Right Digital Audio Source", aifr_src), + +SOC_SINGLE_TLV("DAC Input Boost Volume", WM8900_REG_AUDIO2, 10, 4, 0, + dac_boost_tlv), +SOC_ENUM("Left DAC Source", dacl_src), +SOC_ENUM("Right DAC Source", dacr_src), +SOC_ENUM("Left DAC Sidetone", dacl_sidetone), +SOC_ENUM("Right DAC Sidetone", dacr_sidetone), +SOC_DOUBLE("DAC Invert Switch", WM8900_REG_DACCTRL, 1, 0, 1, 0), + +SOC_DOUBLE_R_TLV("Digital Playback Volume", + WM8900_REG_LDAC_DV, WM8900_REG_RDAC_DV, + 1, 96, 0, dac_tlv), +SOC_DOUBLE_R_TLV("Digital Capture Volume", + WM8900_REG_LADC_DV, WM8900_REG_RADC_DV, 1, 119, 0, adc_tlv), + +SOC_SINGLE_TLV("LINPUT3 Bypass Volume", WM8900_REG_LOUTMIXCTL1, 4, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("RINPUT3 Bypass Volume", WM8900_REG_ROUTMIXCTL1, 4, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("Left AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 4, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("Right AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 0, 7, 0, + out_mix_tlv), + +SOC_SINGLE_TLV("LeftIn to RightOut Mixer Volume", WM8900_REG_BYPASS1, 0, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("LeftIn to LeftOut Mixer Volume", WM8900_REG_BYPASS1, 4, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("RightIn to LeftOut Mixer Volume", WM8900_REG_BYPASS2, 0, 7, 0, + out_mix_tlv), +SOC_SINGLE_TLV("RightIn to RightOut Mixer Volume", WM8900_REG_BYPASS2, 4, 7, 0, + out_mix_tlv), + +SOC_SINGLE_TLV("IN2L Boost Volume", WM8900_REG_INBOOSTMIX1, 0, 3, 0, + in_boost_tlv), +SOC_SINGLE_TLV("IN3L Boost Volume", WM8900_REG_INBOOSTMIX1, 4, 3, 0, + in_boost_tlv), +SOC_SINGLE_TLV("IN2R Boost Volume", WM8900_REG_INBOOSTMIX2, 0, 3, 0, + in_boost_tlv), +SOC_SINGLE_TLV("IN3R Boost Volume", WM8900_REG_INBOOSTMIX2, 4, 3, 0, + in_boost_tlv), +SOC_SINGLE_TLV("Left AUX Boost Volume", WM8900_REG_AUXBOOST, 4, 3, 0, + in_boost_tlv), +SOC_SINGLE_TLV("Right AUX Boost Volume", WM8900_REG_AUXBOOST, 0, 3, 0, + in_boost_tlv), + +SOC_DOUBLE_R_TLV("LINEOUT1 Volume", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, + 0, 63, 0, out_pga_tlv), +SOC_DOUBLE_R("LINEOUT1 Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, + 6, 1, 1), +SOC_DOUBLE_R("LINEOUT1 ZC Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, + 7, 1, 0), + +SOC_DOUBLE_R_TLV("LINEOUT2 Volume", + WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, + 0, 63, 0, out_pga_tlv), +SOC_DOUBLE_R("LINEOUT2 Switch", + WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 6, 1, 1), +SOC_DOUBLE_R("LINEOUT2 ZC Switch", + WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 7, 1, 0), +SOC_SINGLE("LINEOUT2 LP -12dB", WM8900_REG_LOUTMIXCTL1, + 0, 1, 1), + +}; + +/* add non dapm controls */ +static int wm8900_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(wm8900_snd_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&wm8900_snd_controls[i], + codec, NULL)); + if (err < 0) + return err; + } + + return 0; +} + +static const struct snd_kcontrol_new wm8900_dapm_loutput2_control = +SOC_DAPM_SINGLE("LINEOUT2L Switch", WM8900_REG_POWER3, 6, 1, 0); + +static const struct snd_kcontrol_new wm8900_dapm_routput2_control = +SOC_DAPM_SINGLE("LINEOUT2R Switch", WM8900_REG_POWER3, 5, 1, 0); + +static const struct snd_kcontrol_new wm8900_loutmix_controls[] = { +SOC_DAPM_SINGLE("LINPUT3 Bypass Switch", WM8900_REG_LOUTMIXCTL1, 7, 1, 0), +SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 7, 1, 0), +SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 7, 1, 0), +SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 3, 1, 0), +SOC_DAPM_SINGLE("DACL Switch", WM8900_REG_LOUTMIXCTL1, 8, 1, 0), +}; + +static const struct snd_kcontrol_new wm8900_routmix_controls[] = { +SOC_DAPM_SINGLE("RINPUT3 Bypass Switch", WM8900_REG_ROUTMIXCTL1, 7, 1, 0), +SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 3, 1, 0), +SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 3, 1, 0), +SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 7, 1, 0), +SOC_DAPM_SINGLE("DACR Switch", WM8900_REG_ROUTMIXCTL1, 8, 1, 0), +}; + +static const struct snd_kcontrol_new wm8900_linmix_controls[] = { +SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INBOOSTMIX1, 2, 1, 1), +SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INBOOSTMIX1, 6, 1, 1), +SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 6, 1, 1), +SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 6, 1, 0), +}; + +static const struct snd_kcontrol_new wm8900_rinmix_controls[] = { +SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INBOOSTMIX2, 2, 1, 1), +SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INBOOSTMIX2, 6, 1, 1), +SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 2, 1, 1), +SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 2, 1, 0), +}; + +static const struct snd_kcontrol_new wm8900_linpga_controls[] = { +SOC_DAPM_SINGLE("LINPUT1 Switch", WM8900_REG_INCTL, 6, 1, 0), +SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INCTL, 5, 1, 0), +SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INCTL, 4, 1, 0), +}; + +static const struct snd_kcontrol_new wm8900_rinpga_controls[] = { +SOC_DAPM_SINGLE("RINPUT1 Switch", WM8900_REG_INCTL, 2, 1, 0), +SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INCTL, 1, 1, 0), +SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INCTL, 0, 1, 0), +}; + +static const char *wm9700_lp_mux[] = { "Disabled", "Enabled" }; + +static const struct soc_enum wm8900_lineout2_lp_mux = +SOC_ENUM_SINGLE(WM8900_REG_LOUTMIXCTL1, 1, 2, wm9700_lp_mux); + +static const struct snd_kcontrol_new wm8900_lineout2_lp = +SOC_DAPM_ENUM("Route", wm8900_lineout2_lp_mux); + +static const struct snd_soc_dapm_widget wm8900_dapm_widgets[] = { + +/* Externally visible pins */ +SND_SOC_DAPM_OUTPUT("LINEOUT1L"), +SND_SOC_DAPM_OUTPUT("LINEOUT1R"), +SND_SOC_DAPM_OUTPUT("LINEOUT2L"), +SND_SOC_DAPM_OUTPUT("LINEOUT2R"), +SND_SOC_DAPM_OUTPUT("HP_L"), +SND_SOC_DAPM_OUTPUT("HP_R"), + +SND_SOC_DAPM_INPUT("RINPUT1"), +SND_SOC_DAPM_INPUT("LINPUT1"), +SND_SOC_DAPM_INPUT("RINPUT2"), +SND_SOC_DAPM_INPUT("LINPUT2"), +SND_SOC_DAPM_INPUT("RINPUT3"), +SND_SOC_DAPM_INPUT("LINPUT3"), +SND_SOC_DAPM_INPUT("AUX"), + +SND_SOC_DAPM_VMID("VMID"), + +/* Input */ +SND_SOC_DAPM_MIXER("Left Input PGA", WM8900_REG_POWER2, 3, 0, + wm8900_linpga_controls, + ARRAY_SIZE(wm8900_linpga_controls)), +SND_SOC_DAPM_MIXER("Right Input PGA", WM8900_REG_POWER2, 2, 0, + wm8900_rinpga_controls, + ARRAY_SIZE(wm8900_rinpga_controls)), + +SND_SOC_DAPM_MIXER("Left Input Mixer", WM8900_REG_POWER2, 5, 0, + wm8900_linmix_controls, + ARRAY_SIZE(wm8900_linmix_controls)), +SND_SOC_DAPM_MIXER("Right Input Mixer", WM8900_REG_POWER2, 4, 0, + wm8900_rinmix_controls, + ARRAY_SIZE(wm8900_rinmix_controls)), + +SND_SOC_DAPM_MICBIAS("Mic Bias", WM8900_REG_POWER1, 4, 0), + +SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8900_REG_POWER2, 1, 0), +SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8900_REG_POWER2, 0, 0), + +/* Output */ +SND_SOC_DAPM_DAC("DACL", "Left HiFi Playback", WM8900_REG_POWER3, 1, 0), +SND_SOC_DAPM_DAC("DACR", "Right HiFi Playback", WM8900_REG_POWER3, 0, 0), + +SND_SOC_DAPM_PGA_E("Headphone Amplifier", WM8900_REG_POWER3, 7, 0, NULL, 0, + wm8900_hp_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), + +SND_SOC_DAPM_PGA("LINEOUT1L PGA", WM8900_REG_POWER2, 8, 0, NULL, 0), +SND_SOC_DAPM_PGA("LINEOUT1R PGA", WM8900_REG_POWER2, 7, 0, NULL, 0), + +SND_SOC_DAPM_MUX("LINEOUT2 LP", SND_SOC_NOPM, 0, 0, &wm8900_lineout2_lp), +SND_SOC_DAPM_PGA("LINEOUT2L PGA", WM8900_REG_POWER3, 6, 0, NULL, 0), +SND_SOC_DAPM_PGA("LINEOUT2R PGA", WM8900_REG_POWER3, 5, 0, NULL, 0), + +SND_SOC_DAPM_MIXER("Left Output Mixer", WM8900_REG_POWER3, 3, 0, + wm8900_loutmix_controls, + ARRAY_SIZE(wm8900_loutmix_controls)), +SND_SOC_DAPM_MIXER("Right Output Mixer", WM8900_REG_POWER3, 2, 0, + wm8900_routmix_controls, + ARRAY_SIZE(wm8900_routmix_controls)), +}; + +/* Target, Path, Source */ +static const struct snd_soc_dapm_route audio_map[] = { +/* Inputs */ +{"Left Input PGA", "LINPUT1 Switch", "LINPUT1"}, +{"Left Input PGA", "LINPUT2 Switch", "LINPUT2"}, +{"Left Input PGA", "LINPUT3 Switch", "LINPUT3"}, + +{"Right Input PGA", "RINPUT1 Switch", "RINPUT1"}, +{"Right Input PGA", "RINPUT2 Switch", "RINPUT2"}, +{"Right Input PGA", "RINPUT3 Switch", "RINPUT3"}, + +{"Left Input Mixer", "LINPUT2 Switch", "LINPUT2"}, +{"Left Input Mixer", "LINPUT3 Switch", "LINPUT3"}, +{"Left Input Mixer", "AUX Switch", "AUX"}, +{"Left Input Mixer", "Input PGA Switch", "Left Input PGA"}, + +{"Right Input Mixer", "RINPUT2 Switch", "RINPUT2"}, +{"Right Input Mixer", "RINPUT3 Switch", "RINPUT3"}, +{"Right Input Mixer", "AUX Switch", "AUX"}, +{"Right Input Mixer", "Input PGA Switch", "Right Input PGA"}, + +{"ADCL", NULL, "Left Input Mixer"}, +{"ADCR", NULL, "Right Input Mixer"}, + +/* Outputs */ +{"LINEOUT1L", NULL, "LINEOUT1L PGA"}, +{"LINEOUT1L PGA", NULL, "Left Output Mixer"}, +{"LINEOUT1R", NULL, "LINEOUT1R PGA"}, +{"LINEOUT1R PGA", NULL, "Right Output Mixer"}, + +{"LINEOUT2L PGA", NULL, "Left Output Mixer"}, +{"LINEOUT2 LP", "Disabled", "LINEOUT2L PGA"}, +{"LINEOUT2 LP", "Enabled", "Left Output Mixer"}, +{"LINEOUT2L", NULL, "LINEOUT2 LP"}, + +{"LINEOUT2R PGA", NULL, "Right Output Mixer"}, +{"LINEOUT2 LP", "Disabled", "LINEOUT2R PGA"}, +{"LINEOUT2 LP", "Enabled", "Right Output Mixer"}, +{"LINEOUT2R", NULL, "LINEOUT2 LP"}, + +{"Left Output Mixer", "LINPUT3 Bypass Switch", "LINPUT3"}, +{"Left Output Mixer", "AUX Bypass Switch", "AUX"}, +{"Left Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"}, +{"Left Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"}, +{"Left Output Mixer", "DACL Switch", "DACL"}, + +{"Right Output Mixer", "RINPUT3 Bypass Switch", "RINPUT3"}, +{"Right Output Mixer", "AUX Bypass Switch", "AUX"}, +{"Right Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"}, +{"Right Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"}, +{"Right Output Mixer", "DACR Switch", "DACR"}, + +/* Note that the headphone output stage needs to be connected + * externally to LINEOUT2 via DC blocking capacitors. Other + * configurations are not supported. + * + * Note also that left and right headphone paths are treated as a + * mono path. + */ +{"Headphone Amplifier", NULL, "LINEOUT2 LP"}, +{"Headphone Amplifier", NULL, "LINEOUT2 LP"}, +{"HP_L", NULL, "Headphone Amplifier"}, +{"HP_R", NULL, "Headphone Amplifier"}, +}; + +static int wm8900_add_widgets(struct snd_soc_codec *codec) +{ + snd_soc_dapm_new_controls(codec, wm8900_dapm_widgets, + ARRAY_SIZE(wm8900_dapm_widgets)); + + snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + + snd_soc_dapm_new_widgets(codec); + + return 0; +} + +static int wm8900_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + u16 reg; + + reg = wm8900_read(codec, WM8900_REG_AUDIO1) & ~0x60; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + reg |= 0x20; + break; + case SNDRV_PCM_FORMAT_S24_LE: + reg |= 0x40; + break; + case SNDRV_PCM_FORMAT_S32_LE: + reg |= 0x60; + break; + default: + return -EINVAL; + } + + wm8900_write(codec, WM8900_REG_AUDIO1, reg); + + return 0; +} + +/* FLL divisors */ +struct _fll_div { + u16 fll_ratio; + u16 fllclk_div; + u16 fll_slow_lock_ref; + u16 n; + u16 k; +}; + +/* The size in bits of the FLL divide multiplied by 10 + * to allow rounding later */ +#define FIXED_FLL_SIZE ((1 << 16) * 10) + +static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + unsigned int Fout) +{ + u64 Kpart; + unsigned int K, Ndiv, Nmod, target; + unsigned int div; + + BUG_ON(!Fout); + + /* The FLL must run at 90-100MHz which is then scaled down to + * the output value by FLLCLK_DIV. */ + target = Fout; + div = 1; + while (target < 90000000) { + div *= 2; + target *= 2; + } + + if (target > 100000000) + printk(KERN_WARNING "wm8900: FLL rate %d out of range, Fref=%d" + " Fout=%d\n", target, Fref, Fout); + if (div > 32) { + printk(KERN_ERR "wm8900: Invalid FLL division rate %u, " + "Fref=%d, Fout=%d, target=%d\n", + div, Fref, Fout, target); + return -EINVAL; + } + + fll_div->fllclk_div = div >> 2; + + if (Fref < 48000) + fll_div->fll_slow_lock_ref = 1; + else + fll_div->fll_slow_lock_ref = 0; + + Ndiv = target / Fref; + + if (Fref < 1000000) + fll_div->fll_ratio = 8; + else + fll_div->fll_ratio = 1; + + fll_div->n = Ndiv / fll_div->fll_ratio; + Nmod = (target / fll_div->fll_ratio) % Fref; + + /* Calculate fractional part - scale up so we can round. */ + Kpart = FIXED_FLL_SIZE * (long long)Nmod; + + do_div(Kpart, Fref); + + K = Kpart & 0xFFFFFFFF; + + if ((K % 10) >= 5) + K += 5; + + /* Move down to proper range now rounding is done */ + fll_div->k = K / 10; + + BUG_ON(target != Fout * (fll_div->fllclk_div << 2)); + BUG_ON(!K && target != Fref * fll_div->fll_ratio * fll_div->n); + + return 0; +} + +static int wm8900_set_fll(struct snd_soc_codec *codec, + int fll_id, unsigned int freq_in, unsigned int freq_out) +{ + struct wm8900_priv *wm8900 = codec->private_data; + struct _fll_div fll_div; + unsigned int reg; + + if (wm8900->fll_in == freq_in && wm8900->fll_out == freq_out) + return 0; + + /* The digital side should be disabled during any change. */ + reg = wm8900_read(codec, WM8900_REG_POWER1); + wm8900_write(codec, WM8900_REG_POWER1, + reg & (~WM8900_REG_POWER1_FLL_ENA)); + + /* Disable the FLL? */ + if (!freq_in || !freq_out) { + reg = wm8900_read(codec, WM8900_REG_CLOCKING1); + wm8900_write(codec, WM8900_REG_CLOCKING1, + reg & (~WM8900_REG_CLOCKING1_MCLK_SRC)); + + reg = wm8900_read(codec, WM8900_REG_FLLCTL1); + wm8900_write(codec, WM8900_REG_FLLCTL1, + reg & (~WM8900_REG_FLLCTL1_OSC_ENA)); + + wm8900->fll_in = freq_in; + wm8900->fll_out = freq_out; + + return 0; + } + + if (fll_factors(&fll_div, freq_in, freq_out) != 0) + goto reenable; + + wm8900->fll_in = freq_in; + wm8900->fll_out = freq_out; + + /* The osclilator *MUST* be enabled before we enable the + * digital circuit. */ + wm8900_write(codec, WM8900_REG_FLLCTL1, + fll_div.fll_ratio | WM8900_REG_FLLCTL1_OSC_ENA); + + wm8900_write(codec, WM8900_REG_FLLCTL4, fll_div.n >> 5); + wm8900_write(codec, WM8900_REG_FLLCTL5, + (fll_div.fllclk_div << 6) | (fll_div.n & 0x1f)); + + if (fll_div.k) { + wm8900_write(codec, WM8900_REG_FLLCTL2, + (fll_div.k >> 8) | 0x100); + wm8900_write(codec, WM8900_REG_FLLCTL3, fll_div.k & 0xff); + } else + wm8900_write(codec, WM8900_REG_FLLCTL2, 0); + + if (fll_div.fll_slow_lock_ref) + wm8900_write(codec, WM8900_REG_FLLCTL6, + WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF); + else + wm8900_write(codec, WM8900_REG_FLLCTL6, 0); + + reg = wm8900_read(codec, WM8900_REG_POWER1); + wm8900_write(codec, WM8900_REG_POWER1, + reg | WM8900_REG_POWER1_FLL_ENA); + +reenable: + reg = wm8900_read(codec, WM8900_REG_CLOCKING1); + wm8900_write(codec, WM8900_REG_CLOCKING1, + reg | WM8900_REG_CLOCKING1_MCLK_SRC); + + return 0; +} + +static int wm8900_set_dai_pll(struct snd_soc_dai *codec_dai, + int pll_id, unsigned int freq_in, unsigned int freq_out) +{ + return wm8900_set_fll(codec_dai->codec, pll_id, freq_in, freq_out); +} + +static int wm8900_set_dai_clkdiv(struct snd_soc_dai *codec_dai, + int div_id, int div) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int reg; + + switch (div_id) { + case WM8900_BCLK_DIV: + reg = wm8900_read(codec, WM8900_REG_CLOCKING1); + wm8900_write(codec, WM8900_REG_CLOCKING1, + div | (reg & WM8900_REG_CLOCKING1_BCLK_MASK)); + break; + case WM8900_OPCLK_DIV: + reg = wm8900_read(codec, WM8900_REG_CLOCKING1); + wm8900_write(codec, WM8900_REG_CLOCKING1, + div | (reg & WM8900_REG_CLOCKING1_OPCLK_MASK)); + break; + case WM8900_DAC_LRCLK: + reg = wm8900_read(codec, WM8900_REG_AUDIO4); + wm8900_write(codec, WM8900_REG_AUDIO4, + div | (reg & WM8900_LRC_MASK)); + break; + case WM8900_ADC_LRCLK: + reg = wm8900_read(codec, WM8900_REG_AUDIO3); + wm8900_write(codec, WM8900_REG_AUDIO3, + div | (reg & WM8900_LRC_MASK)); + break; + case WM8900_DAC_CLKDIV: + reg = wm8900_read(codec, WM8900_REG_CLOCKING2); + wm8900_write(codec, WM8900_REG_CLOCKING2, + div | (reg & WM8900_REG_CLOCKING2_DAC_CLKDIV)); + break; + case WM8900_ADC_CLKDIV: + reg = wm8900_read(codec, WM8900_REG_CLOCKING2); + wm8900_write(codec, WM8900_REG_CLOCKING2, + div | (reg & WM8900_REG_CLOCKING2_ADC_CLKDIV)); + break; + case WM8900_LRCLK_MODE: + reg = wm8900_read(codec, WM8900_REG_DACCTRL); + wm8900_write(codec, WM8900_REG_DACCTRL, + div | (reg & WM8900_REG_DACCTRL_AIF_LRCLKRATE)); + break; + default: + return -EINVAL; + } + + return 0; +} + + +static int wm8900_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int clocking1, aif1, aif3, aif4; + + clocking1 = wm8900_read(codec, WM8900_REG_CLOCKING1); + aif1 = wm8900_read(codec, WM8900_REG_AUDIO1); + aif3 = wm8900_read(codec, WM8900_REG_AUDIO3); + aif4 = wm8900_read(codec, WM8900_REG_AUDIO4); + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR; + aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR; + aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR; + break; + case SND_SOC_DAIFMT_CBS_CFM: + clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR; + aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR; + aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR; + break; + case SND_SOC_DAIFMT_CBM_CFM: + clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR; + aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR; + aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR; + break; + case SND_SOC_DAIFMT_CBM_CFS: + clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR; + aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR; + aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK; + aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; + break; + case SND_SOC_DAIFMT_DSP_B: + aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK; + aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; + break; + case SND_SOC_DAIFMT_I2S: + aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; + aif1 |= 0x10; + break; + case SND_SOC_DAIFMT_RIGHT_J: + aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; + break; + case SND_SOC_DAIFMT_LEFT_J: + aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; + aif1 |= 0x8; + break; + default: + return -EINVAL; + } + + /* Clock inversion */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* frame inversion not valid for DSP modes */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8900_REG_AUDIO1_BCLK_INV; + break; + default: + return -EINVAL; + } + break; + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; + aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_IF: + aif1 |= WM8900_REG_AUDIO1_BCLK_INV; + aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + aif1 |= WM8900_REG_AUDIO1_BCLK_INV; + aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; + aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + wm8900_write(codec, WM8900_REG_CLOCKING1, clocking1); + wm8900_write(codec, WM8900_REG_AUDIO1, aif1); + wm8900_write(codec, WM8900_REG_AUDIO3, aif3); + wm8900_write(codec, WM8900_REG_AUDIO4, aif4); + + return 0; +} + +static int wm8900_digital_mute(struct snd_soc_dai *codec_dai, int mute) +{ + struct snd_soc_codec *codec = codec_dai->codec; + u16 reg; + + reg = wm8900_read(codec, WM8900_REG_DACCTRL); + + if (mute) + reg |= WM8900_REG_DACCTRL_MUTE; + else + reg &= ~WM8900_REG_DACCTRL_MUTE; + + wm8900_write(codec, WM8900_REG_DACCTRL, reg); + + return 0; +} + +#define WM8900_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) + +#define WM8900_PCM_FORMATS \ + (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \ + SNDRV_PCM_FORMAT_S24_LE) + +struct snd_soc_dai wm8900_dai = { + .name = "WM8900 HiFi", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM8900_RATES, + .formats = WM8900_PCM_FORMATS, + }, + .capture = { + .stream_name = "HiFi Capture", + .channels_min = 1, + .channels_max = 2, + .rates = WM8900_RATES, + .formats = WM8900_PCM_FORMATS, + }, + .ops = { + .hw_params = wm8900_hw_params, + }, + .dai_ops = { + .set_clkdiv = wm8900_set_dai_clkdiv, + .set_pll = wm8900_set_dai_pll, + .set_fmt = wm8900_set_dai_fmt, + .digital_mute = wm8900_digital_mute, + }, +}; +EXPORT_SYMBOL_GPL(wm8900_dai); + +static int wm8900_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + u16 reg; + + switch (level) { + case SND_SOC_BIAS_ON: + /* Enable thermal shutdown */ + reg = wm8900_read(codec, WM8900_REG_GPIO); + wm8900_write(codec, WM8900_REG_GPIO, + reg | WM8900_REG_GPIO_TEMP_ENA); + reg = wm8900_read(codec, WM8900_REG_ADDCTL); + wm8900_write(codec, WM8900_REG_ADDCTL, + reg | WM8900_REG_ADDCTL_TEMP_SD); + break; + + case SND_SOC_BIAS_PREPARE: + break; + + case SND_SOC_BIAS_STANDBY: + /* Charge capacitors if initial power up */ + if (codec->bias_level == SND_SOC_BIAS_OFF) { + /* STARTUP_BIAS_ENA on */ + wm8900_write(codec, WM8900_REG_POWER1, + WM8900_REG_POWER1_STARTUP_BIAS_ENA); + + /* Startup bias mode */ + wm8900_write(codec, WM8900_REG_ADDCTL, + WM8900_REG_ADDCTL_BIAS_SRC | + WM8900_REG_ADDCTL_VMID_SOFTST); + + /* VMID 2x50k */ + wm8900_write(codec, WM8900_REG_POWER1, + WM8900_REG_POWER1_STARTUP_BIAS_ENA | 0x1); + + /* Allow capacitors to charge */ + schedule_timeout_interruptible(msecs_to_jiffies(400)); + + /* Enable bias */ + wm8900_write(codec, WM8900_REG_POWER1, + WM8900_REG_POWER1_STARTUP_BIAS_ENA | + WM8900_REG_POWER1_BIAS_ENA | 0x1); + + wm8900_write(codec, WM8900_REG_ADDCTL, 0); + + wm8900_write(codec, WM8900_REG_POWER1, + WM8900_REG_POWER1_BIAS_ENA | 0x1); + } + + reg = wm8900_read(codec, WM8900_REG_POWER1); + wm8900_write(codec, WM8900_REG_POWER1, + (reg & WM8900_REG_POWER1_FLL_ENA) | + WM8900_REG_POWER1_BIAS_ENA | 0x1); + wm8900_write(codec, WM8900_REG_POWER2, + WM8900_REG_POWER2_SYSCLK_ENA); + wm8900_write(codec, WM8900_REG_POWER3, 0); + break; + + case SND_SOC_BIAS_OFF: + /* Startup bias enable */ + reg = wm8900_read(codec, WM8900_REG_POWER1); + wm8900_write(codec, WM8900_REG_POWER1, + reg & WM8900_REG_POWER1_STARTUP_BIAS_ENA); + wm8900_write(codec, WM8900_REG_ADDCTL, + WM8900_REG_ADDCTL_BIAS_SRC | + WM8900_REG_ADDCTL_VMID_SOFTST); + + /* Discharge caps */ + wm8900_write(codec, WM8900_REG_POWER1, + WM8900_REG_POWER1_STARTUP_BIAS_ENA); + schedule_timeout_interruptible(msecs_to_jiffies(500)); + + /* Remove clamp */ + wm8900_write(codec, WM8900_REG_HPCTL1, 0); + + /* Power down */ + wm8900_write(codec, WM8900_REG_ADDCTL, 0); + wm8900_write(codec, WM8900_REG_POWER1, 0); + wm8900_write(codec, WM8900_REG_POWER2, 0); + wm8900_write(codec, WM8900_REG_POWER3, 0); + + /* Need to let things settle before stopping the clock + * to ensure that restart works, see "Stopping the + * master clock" in the datasheet. */ + schedule_timeout_interruptible(msecs_to_jiffies(1)); + wm8900_write(codec, WM8900_REG_POWER2, + WM8900_REG_POWER2_SYSCLK_ENA); + break; + } + codec->bias_level = level; + return 0; +} + +static int wm8900_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + struct wm8900_priv *wm8900 = codec->private_data; + int fll_out = wm8900->fll_out; + int fll_in = wm8900->fll_in; + int ret; + + /* Stop the FLL in an orderly fashion */ + ret = wm8900_set_fll(codec, 0, 0, 0); + if (ret != 0) { + dev_err(&pdev->dev, "Failed to stop FLL\n"); + return ret; + } + + wm8900->fll_out = fll_out; + wm8900->fll_in = fll_in; + + wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF); + + return 0; +} + +static int wm8900_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + struct wm8900_priv *wm8900 = codec->private_data; + u16 *cache; + int i, ret; + + cache = kmemdup(codec->reg_cache, sizeof(wm8900_reg_defaults), + GFP_KERNEL); + + wm8900_reset(codec); + wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + /* Restart the FLL? */ + if (wm8900->fll_out) { + int fll_out = wm8900->fll_out; + int fll_in = wm8900->fll_in; + + wm8900->fll_in = 0; + wm8900->fll_out = 0; + + ret = wm8900_set_fll(codec, 0, fll_in, fll_out); + if (ret != 0) { + dev_err(&pdev->dev, "Failed to restart FLL\n"); + return ret; + } + } + + if (cache) { + for (i = 0; i < WM8900_MAXREG; i++) + wm8900_write(codec, i, cache[i]); + kfree(cache); + } else + dev_err(&pdev->dev, "Unable to allocate register cache\n"); + + return 0; +} + +/* + * initialise the WM8900 driver + * register the mixer and dsp interfaces with the kernel + */ +static int wm8900_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int ret = 0; + unsigned int reg; + struct i2c_client *i2c_client = socdev->codec->control_data; + + codec->name = "WM8900"; + codec->owner = THIS_MODULE; + codec->read = wm8900_read; + codec->write = wm8900_write; + codec->dai = &wm8900_dai; + codec->num_dai = 1; + codec->reg_cache_size = WM8900_MAXREG; + codec->reg_cache = kmemdup(wm8900_reg_defaults, + sizeof(wm8900_reg_defaults), GFP_KERNEL); + + if (codec->reg_cache == NULL) + return -ENOMEM; + + reg = wm8900_read(codec, WM8900_REG_ID); + if (reg != 0x8900) { + dev_err(&i2c_client->dev, "Device is not a WM8900 - ID %x\n", + reg); + return -ENODEV; + } + + codec->private_data = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL); + if (codec->private_data == NULL) { + ret = -ENOMEM; + goto priv_err; + } + + /* Read back from the chip */ + reg = wm8900_chip_read(codec, WM8900_REG_POWER1); + reg = (reg >> 12) & 0xf; + dev_info(&i2c_client->dev, "WM8900 revision %d\n", reg); + + wm8900_reset(codec); + + /* Latch the volume update bits */ + wm8900_write(codec, WM8900_REG_LINVOL, + wm8900_read(codec, WM8900_REG_LINVOL) | 0x100); + wm8900_write(codec, WM8900_REG_RINVOL, + wm8900_read(codec, WM8900_REG_RINVOL) | 0x100); + wm8900_write(codec, WM8900_REG_LOUT1CTL, + wm8900_read(codec, WM8900_REG_LOUT1CTL) | 0x100); + wm8900_write(codec, WM8900_REG_ROUT1CTL, + wm8900_read(codec, WM8900_REG_ROUT1CTL) | 0x100); + wm8900_write(codec, WM8900_REG_LOUT2CTL, + wm8900_read(codec, WM8900_REG_LOUT2CTL) | 0x100); + wm8900_write(codec, WM8900_REG_ROUT2CTL, + wm8900_read(codec, WM8900_REG_ROUT2CTL) | 0x100); + wm8900_write(codec, WM8900_REG_LDAC_DV, + wm8900_read(codec, WM8900_REG_LDAC_DV) | 0x100); + wm8900_write(codec, WM8900_REG_RDAC_DV, + wm8900_read(codec, WM8900_REG_RDAC_DV) | 0x100); + wm8900_write(codec, WM8900_REG_LADC_DV, + wm8900_read(codec, WM8900_REG_LADC_DV) | 0x100); + wm8900_write(codec, WM8900_REG_RADC_DV, + wm8900_read(codec, WM8900_REG_RADC_DV) | 0x100); + + /* Set the DAC and mixer output bias */ + wm8900_write(codec, WM8900_REG_OUTBIASCTL, 0x81); + + /* Register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + dev_err(&i2c_client->dev, "Failed to register new PCMs\n"); + goto pcm_err; + } + + /* Turn the chip on */ + codec->bias_level = SND_SOC_BIAS_OFF; + wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + wm8900_add_controls(codec); + wm8900_add_widgets(codec); + + ret = snd_soc_register_card(socdev); + if (ret < 0) { + dev_err(&i2c_client->dev, "Failed to register card\n"); + goto card_err; + } + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + kfree(codec->reg_cache); +priv_err: + kfree(codec->private_data); + return ret; +} + +static struct snd_soc_device *wm8900_socdev; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + +static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; + +/* Magic definition of all other variables and things */ +I2C_CLIENT_INSMOD; + +static struct i2c_driver wm8900_i2c_driver; +static struct i2c_client client_template; + +/* If the i2c layer weren't so broken, we could pass this kind of data + around */ +static int wm8900_codec_probe(struct i2c_adapter *adap, int addr, int kind) +{ + struct snd_soc_device *socdev = wm8900_socdev; + struct wm8900_setup_data *setup = socdev->codec_data; + struct snd_soc_codec *codec = socdev->codec; + struct i2c_client *i2c; + int ret; + + if (addr != setup->i2c_address) + return -ENODEV; + + dev_err(&adap->dev, "Probe on %x\n", addr); + + client_template.adapter = adap; + client_template.addr = addr; + + i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); + if (i2c == NULL) { + kfree(codec); + return -ENOMEM; + } + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = i2c_attach_client(i2c); + if (ret < 0) { + dev_err(&adap->dev, + "failed to attach codec at addr %x\n", addr); + goto err; + } + + ret = wm8900_init(socdev); + if (ret < 0) { + dev_err(&adap->dev, "failed to initialise WM8900\n"); + goto err; + } + return ret; + +err: + kfree(codec); + kfree(i2c); + return ret; +} + +static int wm8900_i2c_detach(struct i2c_client *client) +{ + struct snd_soc_codec *codec = i2c_get_clientdata(client); + i2c_detach_client(client); + kfree(codec->reg_cache); + kfree(client); + return 0; +} + +static int wm8900_i2c_attach(struct i2c_adapter *adap) +{ + return i2c_probe(adap, &addr_data, wm8900_codec_probe); +} + +/* corgi i2c codec control layer */ +static struct i2c_driver wm8900_i2c_driver = { + .driver = { + .name = "WM8900 I2C codec", + .owner = THIS_MODULE, + }, + .attach_adapter = wm8900_i2c_attach, + .detach_client = wm8900_i2c_detach, + .command = NULL, +}; + +static struct i2c_client client_template = { + .name = "WM8900", + .driver = &wm8900_i2c_driver, +}; +#endif + +static int wm8900_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct wm8900_setup_data *setup; + struct snd_soc_codec *codec; + int ret = 0; + + dev_info(&pdev->dev, "WM8900 Audio Codec\n"); + + setup = socdev->codec_data; + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + socdev->codec = codec; + + codec->set_bias_level = wm8900_set_bias_level; + + wm8900_socdev = socdev; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + if (setup->i2c_address) { + normal_i2c[0] = setup->i2c_address; + codec->hw_write = (hw_write_t)i2c_master_send; + ret = i2c_add_driver(&wm8900_i2c_driver); + if (ret != 0) + printk(KERN_ERR "can't add i2c driver"); + } +#else +#error Non-I2C interfaces not yet supported +#endif + return ret; +} + +/* power down chip */ +static int wm8900_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec->control_data) + wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF); + + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&wm8900_i2c_driver); +#endif + kfree(codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_wm8900 = { + .probe = wm8900_probe, + .remove = wm8900_remove, + .suspend = wm8900_suspend, + .resume = wm8900_resume, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_wm8900); + +MODULE_DESCRIPTION("ASoC WM8900 driver"); +MODULE_AUTHOR("Mark Brown "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm8900.h b/sound/soc/codecs/wm8900.h new file mode 100644 index 000000000000..ba450d99e902 --- /dev/null +++ b/sound/soc/codecs/wm8900.h @@ -0,0 +1,64 @@ +/* + * wm8900.h -- WM890 Soc Audio driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _WM8900_H +#define _WM8900_H + +#define WM8900_FLL 1 + +#define WM8900_BCLK_DIV 1 +#define WM8900_ADC_CLKDIV 2 +#define WM8900_DAC_CLKDIV 3 +#define WM8900_ADC_LRCLK 4 +#define WM8900_DAC_LRCLK 5 +#define WM8900_OPCLK_DIV 6 +#define WM8900_LRCLK_MODE 7 + +#define WM8900_BCLK_DIV_1 0x00 +#define WM8900_BCLK_DIV_1_5 0x02 +#define WM8900_BCLK_DIV_2 0x04 +#define WM8900_BCLK_DIV_3 0x06 +#define WM8900_BCLK_DIV_4 0x08 +#define WM8900_BCLK_DIV_5_5 0x0a +#define WM8900_BCLK_DIV_6 0x0c +#define WM8900_BCLK_DIV_8 0x0e +#define WM8900_BCLK_DIV_11 0x10 +#define WM8900_BCLK_DIV_12 0x12 +#define WM8900_BCLK_DIV_16 0x14 +#define WM8900_BCLK_DIV_22 0x16 +#define WM8900_BCLK_DIV_24 0x18 +#define WM8900_BCLK_DIV_32 0x1a +#define WM8900_BCLK_DIV_44 0x1c +#define WM8900_BCLK_DIV_48 0x1e + +#define WM8900_ADC_CLKDIV_1 0x00 +#define WM8900_ADC_CLKDIV_1_5 0x20 +#define WM8900_ADC_CLKDIV_2 0x40 +#define WM8900_ADC_CLKDIV_3 0x60 +#define WM8900_ADC_CLKDIV_4 0x80 +#define WM8900_ADC_CLKDIV_5_5 0xa0 +#define WM8900_ADC_CLKDIV_6 0xc0 + +#define WM8900_DAC_CLKDIV_1 0x00 +#define WM8900_DAC_CLKDIV_1_5 0x04 +#define WM8900_DAC_CLKDIV_2 0x08 +#define WM8900_DAC_CLKDIV_3 0x0c +#define WM8900_DAC_CLKDIV_4 0x10 +#define WM8900_DAC_CLKDIV_5_5 0x14 +#define WM8900_DAC_CLKDIV_6 0x18 + +#define WM8900_ + +struct wm8900_setup_data { + unsigned short i2c_address; +}; + +extern struct snd_soc_dai wm8900_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8900; + +#endif -- GitLab From b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320 Mon Sep 17 00:00:00 2001 From: Phillip Michael Jordan Date: Tue, 5 Aug 2008 11:01:00 +0200 Subject: [PATCH 0273/6244] ALSA: snd_usb_audio: fix SB Extigy IR Remote regression The support for the SB Extigy's remote seems to be broken in all recent ALSA versions, including 1.0.17. The driver detects the event correctly, then submits a URB to query the RC code. On the Extigy, the URB is submitted with a length of 2 bytes. My hardware, however, only replies with 1 byte, containing the correct RC button code. The current implementation discards this as being too short. (line 1784 of usbmixer.c) This patch specifies a "minimum packet length" in the remote control configuration. I've left the values for the Audigy 2/Live! the same as the packet length, as I'm assuming the existing code works with them. (I don't have the hardware to confirm) This fixes the Extigy RC support, e.g. for use with Lirc. Signed-off-by: Phillip Michael Jordan Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/usb/usbmixer.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 89c63d073cc6..5f98bee06959 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -59,12 +59,13 @@ static const struct rc_config { u8 offset; u8 length; u8 packet_length; + u8 min_packet_length; /* minimum accepted length of the URB result */ u8 mute_mixer_id; u32 mute_code; } rc_configs[] = { - { USB_ID(0x041e, 0x3000), 0, 1, 2, 18, 0x0013 }, /* Extigy */ - { USB_ID(0x041e, 0x3020), 2, 1, 6, 18, 0x0013 }, /* Audigy 2 NX */ - { USB_ID(0x041e, 0x3040), 2, 2, 6, 2, 0x6e91 }, /* Live! 24-bit */ + { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ + { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ + { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ }; struct usb_mixer_interface { @@ -1781,7 +1782,7 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb) const struct rc_config *rc = mixer->rc_cfg; u32 code; - if (urb->status < 0 || urb->actual_length < rc->packet_length) + if (urb->status < 0 || urb->actual_length < rc->min_packet_length) return; code = mixer->rc_buffer[rc->offset]; -- GitLab From 8f4f4ef6fed55a3636db3146a3e50b7febcbd7de Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 5 Aug 2008 15:45:45 +0200 Subject: [PATCH 0274/6244] ALSA: ac97 - Enable mono-out on ALC203 codec as default Use pin 37 for mono-out as default on ALC203. Reported-by: george pee Tested-by: george pee Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ac97/ac97_codec.c | 2 +- sound/pci/ac97/ac97_patch.c | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index f6a7d721649e..171559c19b3d 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -122,7 +122,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL }, { 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL }, { 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL }, -{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL }, +{ 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL }, { 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */ { 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL }, { 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL }, diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index f4fbc795ee81..bb028f8f9a2e 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -2560,6 +2560,14 @@ static int patch_ad1986(struct snd_ac97 * ac97) return 0; } +/* + * realtek ALC203: use mono-out for pin 37 + */ +static int patch_alc203(struct snd_ac97 *ac97) +{ + snd_ac97_update_bits(ac97, 0x7a, 0x400, 0x400); + return 0; +} /* * realtek ALC65x/850 codecs -- GitLab From c9a7dc2c5279830c0ad77715c0ace3e1edb07f4c Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Wed, 6 Aug 2008 08:09:34 +0200 Subject: [PATCH 0275/6244] ALSA: wss_lib: rework snd_ad1848_probe() Make snd_ad1848_probe() easier to follow. With an exception for only trying once as soon as the codec is out of init (which should be all that's needed) the detection logic should be unchanged. Signed-off-by: Rene Herman Acked-by: Krzysztof Helt Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/wss/wss_lib.c | 133 +++++++++++++++++++++------------------- 1 file changed, 69 insertions(+), 64 deletions(-) diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 866e8686dbe7..011da7a2315d 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1147,79 +1147,84 @@ static snd_pcm_uframes_t snd_wss_capture_pointer(struct snd_pcm_substream *subst static int snd_ad1848_probe(struct snd_wss *chip) { + unsigned long timeout = jiffies + msecs_to_jiffies(1000); unsigned long flags; - int i, id, rev, ad1847; + unsigned char r; + unsigned short hardware = 0; + int err = 0; + int i; - id = 0; - ad1847 = 0; - for (i = 0; i < 1000; i++) { - mb(); - if (inb(chip->port + CS4231P(REGSEL)) & CS4231_INIT) - msleep(1); - else { - spin_lock_irqsave(&chip->reg_lock, flags); - snd_wss_out(chip, CS4231_MISC_INFO, 0x00); - snd_wss_out(chip, CS4231_LEFT_INPUT, 0xaa); - snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x45); - rev = snd_wss_in(chip, CS4231_RIGHT_INPUT); - if (rev == 0x65) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - ad1847 = 1; - break; - } - if (rev == 0x45) { - rev = snd_wss_in(chip, CS4231_LEFT_INPUT); - if (rev == 0xaa || rev == 0x8a) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - break; - } - } - spin_unlock_irqrestore(&chip->reg_lock, flags); - } + while (wss_inb(chip, CS4231P(REGSEL)) & CS4231_INIT) { + if (time_after(jiffies, timeout)) + return -ENODEV; + cond_resched(); } - if (id != 1) - return -ENODEV; /* no valid device found */ - id = 0; - if (chip->hardware == WSS_HW_DETECT) - id = ad1847 ? WSS_HW_AD1847 : WSS_HW_AD1848; - spin_lock_irqsave(&chip->reg_lock, flags); - inb(chip->port + CS4231P(STATUS)); /* clear any pendings IRQ */ - outb(0, chip->port + CS4231P(STATUS)); - mb(); - if (id == WSS_HW_AD1848) { - /* check if there are more than 16 registers */ - rev = snd_wss_in(chip, CS4231_MISC_INFO); - snd_wss_out(chip, CS4231_MISC_INFO, 0x40); - for (i = 0; i < 16; ++i) { - if (snd_wss_in(chip, i) != snd_wss_in(chip, i + 16)) { - id = WSS_HW_CMI8330; - break; - } + + /* set CS423x MODE 1 */ + snd_wss_out(chip, CS4231_MISC_INFO, 0); + + snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x45); /* 0x55 & ~0x10 */ + r = snd_wss_in(chip, CS4231_RIGHT_INPUT); + if (r != 0x45) { + /* RMGE always high on AD1847 */ + if ((r & ~CS4231_ENABLE_MIC_GAIN) != 0x45) { + err = -ENODEV; + goto out; + } + hardware = WSS_HW_AD1847; + } else { + snd_wss_out(chip, CS4231_LEFT_INPUT, 0xaa); + r = snd_wss_in(chip, CS4231_LEFT_INPUT); + /* L/RMGE always low on AT2320 */ + if ((r | CS4231_ENABLE_MIC_GAIN) != 0xaa) { + err = -ENODEV; + goto out; } - snd_wss_out(chip, CS4231_MISC_INFO, 0x00); - if (id != WSS_HW_CMI8330 && (rev & 0x80)) - id = WSS_HW_CS4248; - if (id == WSS_HW_CMI8330 && (rev & 0x0f) != 0x0a) - id = 0; } - if (id == WSS_HW_CMI8330) { - /* verify it is not CS4231 by changing the version register */ - /* on CMI8330 it is volume control register and can be set 0 */ - snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2); - snd_wss_dout(chip, CS4231_VERSION, 0x00); - rev = snd_wss_in(chip, CS4231_VERSION) & 0xe7; - if (rev) - id = 0; - snd_wss_out(chip, CS4231_MISC_INFO, 0); + + /* clear pending IRQ */ + wss_inb(chip, CS4231P(STATUS)); + wss_outb(chip, CS4231P(STATUS), 0); + mb(); + + if ((chip->hardware & WSS_HW_TYPE_MASK) != WSS_HW_DETECT) + goto out; + + if (hardware) { + chip->hardware = hardware; + goto out; } - if (id) - chip->hardware = id; + r = snd_wss_in(chip, CS4231_MISC_INFO); + + /* set CS423x MODE 2 */ + snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2); + for (i = 0; i < 16; i++) { + if (snd_wss_in(chip, i) != snd_wss_in(chip, 16 + i)) { + /* we have more than 16 registers: check ID */ + if ((r & 0xf) != 0xa) + goto out_mode; + /* + * on CMI8330, CS4231_VERSION is volume control and + * can be set to 0 + */ + snd_wss_dout(chip, CS4231_VERSION, 0); + r = snd_wss_in(chip, CS4231_VERSION) & 0xe7; + if (!r) + chip->hardware = WSS_HW_CMI8330; + goto out_mode; + } + } + if (r & 0x80) + chip->hardware = WSS_HW_CS4248; + else + chip->hardware = WSS_HW_AD1848; +out_mode: + snd_wss_out(chip, CS4231_MISC_INFO, 0); +out: spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; /* all things are ok.. */ + return err; } static int snd_wss_probe(struct snd_wss *chip) -- GitLab From 421fae06be9e0dac45747494756b3580643815f9 Mon Sep 17 00:00:00 2001 From: Vesa-Matti Kari Date: Wed, 6 Aug 2008 18:24:51 +0300 Subject: [PATCH 0276/6244] selinux: conditional expression type validation was off-by-one expr_isvalid() in conditional.c was off-by-one and allowed invalid expression type COND_LAST. However, it is this header file that needs to be fixed. That way the if-statement's disjunction's second component reads more naturally, "if expr type is greater than the last allowed value" ( rather than using ">=" in conditional.c): if (expr->expr_type <= 0 || expr->expr_type > COND_LAST) Signed-off-by: Vesa-Matti Kari Signed-off-by: James Morris --- security/selinux/ss/conditional.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/selinux/ss/conditional.h b/security/selinux/ss/conditional.h index 65b9f8366e9c..53ddb013ae57 100644 --- a/security/selinux/ss/conditional.h +++ b/security/selinux/ss/conditional.h @@ -28,7 +28,7 @@ struct cond_expr { #define COND_XOR 5 /* bool ^ bool */ #define COND_EQ 6 /* bool == bool */ #define COND_NEQ 7 /* bool != bool */ -#define COND_LAST 8 +#define COND_LAST COND_NEQ __u32 expr_type; __u32 bool; struct cond_expr *next; -- GitLab From cf93ae02600e2c752bf2570085e7970a1c0f2b94 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 6 Aug 2008 13:12:04 -0700 Subject: [PATCH 0277/6244] [MTD] Compile fix for dataflash OTP support > > linux-next-20080805/drivers/mtd/devices/mtd_dataflash.c: In function 'add_dataflash_otp': > > linux-next-20080805/drivers/mtd/devices/mtd_dataflash.c:670: error: too many arguments to function 'otp_setup' Whoops, sorry ... I see what was going on. My bad. Signed-off-by: David Brownell Signed-off-by: David Woodhouse --- drivers/mtd/devices/mtd_dataflash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 17c9b20dca87..90161277902b 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -618,7 +618,7 @@ static char *otp_setup(struct mtd_info *device, char revision) #else -static char *otp_setup(struct mtd_info *device) +static char *otp_setup(struct mtd_info *device, char revision) { return " (OTP)"; } -- GitLab From 8c64038e4c077b2b37c6b27d0c40c77a3ddfaeef Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 6 Aug 2008 21:55:14 -0700 Subject: [PATCH 0278/6244] [MTD] make dataflash write-verify be optional This adds a WRITE_VERIFY Kconfig option to the DataFlash driver, closely mirroring the similar NAND and ONENAND options, giving an option to disable some code that's currently always enabled. Removing this step probably saves a millisecond or so per page when writing data, which will add up quickly since these pages are small (the largest is 1 KiB). It doesn't seem to add a lot in terms of reliability, and wouldn't detect errors which crop up when transferring data to the on-chip SRAM buffer. Signed-off-by: David Brownell Acked-by: Haavard Skinnemoen Acked-by: Andrew Victor Signed-off-by: David Woodhouse --- drivers/mtd/devices/Kconfig | 10 ++++++++++ drivers/mtd/devices/mtd_dataflash.c | 8 +++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index 88f4df047464..6fde0a2e3567 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -59,6 +59,16 @@ config MTD_DATAFLASH Sometimes DataFlash chips are packaged inside MMC-format cards; at this writing, the MMC stack won't handle those. +config MTD_DATAFLASH_WRITE_VERIFY + bool "Verify DataFlash page writes" + depends on MTD_DATAFLASH + help + This adds an extra check when data is written to the flash. + It may help if you are verifying chip setup (timings etc) on + your board. There is a rare possibility that even though the + device thinks the write was successful, a bit could have been + flipped accidentally due to device wear or something else. + config MTD_DATAFLASH_OTP bool "DataFlash OTP support (Security Register)" depends on MTD_DATAFLASH diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 90161277902b..6dd9aff8bb2d 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -30,12 +30,10 @@ * doesn't (yet) use these for any kind of i/o overlap or prefetching. * * Sometimes DataFlash is packaged in MMC-format cards, although the - * MMC stack can't use SPI (yet), or distinguish between MMC and DataFlash + * MMC stack can't (yet?) distinguish between MMC and DataFlash * protocols during enumeration. */ -#define CONFIG_DATAFLASH_WRITE_VERIFY - /* reads can bypass the buffers */ #define OP_READ_CONTINUOUS 0xE8 #define OP_READ_PAGE 0xD2 @@ -403,7 +401,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, (void) dataflash_waitready(priv->spi); -#ifdef CONFIG_DATAFLASH_WRITE_VERIFY +#ifdef CONFIG_MTD_DATAFLASH_VERIFY_WRITE /* (3) Compare to Buffer1 */ addr = pageaddr << priv->page_offset; @@ -432,7 +430,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, } else status = 0; -#endif /* CONFIG_DATAFLASH_WRITE_VERIFY */ +#endif /* CONFIG_MTD_DATAFLASH_VERIFY_WRITE */ remaining = remaining - writelen; pageaddr++; -- GitLab From c314dfdc358847eef0fc07ec8682e1acc8cadd00 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Thu, 7 Aug 2008 11:55:07 +0100 Subject: [PATCH 0279/6244] [MTD] [NOR] Rename and export new cfi_qry_*() functions They need to be exported, so let's give them less generic-sounding names while we're at it. Original export patch, along with the suggestion about the nomenclature, from Stephen Rothwell. Signed-off-by: David Woodhouse --- drivers/mtd/chips/cfi_probe.c | 20 ++++++++++---------- drivers/mtd/chips/cfi_util.c | 26 +++++++++++++++----------- include/linux/mtd/cfi.h | 12 ++++++------ 3 files changed, 31 insertions(+), 27 deletions(-) diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c index e706be2ad0cb..e63e6749429a 100644 --- a/drivers/mtd/chips/cfi_probe.c +++ b/drivers/mtd/chips/cfi_probe.c @@ -44,14 +44,14 @@ do { \ #define xip_enable(base, map, cfi) \ do { \ - qry_mode_off(base, map, cfi); \ + cfi_qry_mode_off(base, map, cfi); \ xip_allowed(base, map); \ } while (0) #define xip_disable_qry(base, map, cfi) \ do { \ xip_disable(); \ - qry_mode_on(base, map, cfi); \ + cfi_qry_mode_on(base, map, cfi); \ } while (0) #else @@ -87,7 +87,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, } xip_disable(); - if (!qry_mode_on(base, map, cfi)) { + if (!cfi_qry_mode_on(base, map, cfi)) { xip_enable(base, map, cfi); return 0; } @@ -108,13 +108,13 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, start = i << cfi->chipshift; /* This chip should be in read mode if it's one we've already touched. */ - if (qry_present(map, start, cfi)) { + if (cfi_qry_present(map, start, cfi)) { /* Eep. This chip also had the QRY marker. * Is it an alias for the new one? */ - qry_mode_off(start, map, cfi); + cfi_qry_mode_off(start, map, cfi); /* If the QRY marker goes away, it's an alias */ - if (!qry_present(map, start, cfi)) { + if (!cfi_qry_present(map, start, cfi)) { xip_allowed(base, map); printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", map->name, base, start); @@ -124,9 +124,9 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, * unfortunate. Stick the new chip in read mode * too and if it's the same, assume it's an alias. */ /* FIXME: Use other modes to do a proper check */ - qry_mode_off(base, map, cfi); + cfi_qry_mode_off(base, map, cfi); - if (qry_present(map, base, cfi)) { + if (cfi_qry_present(map, base, cfi)) { xip_allowed(base, map); printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", map->name, base, start); @@ -141,7 +141,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base, cfi->numchips++; /* Put it back into Read Mode */ - qry_mode_off(base, map, cfi); + cfi_qry_mode_off(base, map, cfi); xip_allowed(base, map); printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", @@ -201,7 +201,7 @@ static int __xipram cfi_chip_setup(struct map_info *map, cfi_read_query(map, base + 0xf * ofs_factor); /* Put it back into Read Mode */ - qry_mode_off(base, map, cfi); + cfi_qry_mode_off(base, map, cfi); xip_allowed(base, map); /* Do any necessary byteswapping */ diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c index 8d7553670526..34d40e25d312 100644 --- a/drivers/mtd/chips/cfi_util.c +++ b/drivers/mtd/chips/cfi_util.c @@ -24,8 +24,8 @@ #include #include -int __xipram qry_present(struct map_info *map, __u32 base, - struct cfi_private *cfi) +int __xipram cfi_qry_present(struct map_info *map, __u32 base, + struct cfi_private *cfi) { int osf = cfi->interleave * cfi->device_type; /* scale factor */ map_word val[3]; @@ -50,35 +50,39 @@ int __xipram qry_present(struct map_info *map, __u32 base, return 1; /* "QRY" found */ } +EXPORT_SYMBOL_GPL(cfi_qry_present); -int __xipram qry_mode_on(uint32_t base, struct map_info *map, - struct cfi_private *cfi) +int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map, + struct cfi_private *cfi) { cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); - if (qry_present(map, base, cfi)) + if (cfi_qry_present(map, base, cfi)) return 1; /* QRY not found probably we deal with some odd CFI chips */ /* Some revisions of some old Intel chips? */ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); - if (qry_present(map, base, cfi)) + if (cfi_qry_present(map, base, cfi)) return 1; /* ST M29DW chips */ cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL); - if (qry_present(map, base, cfi)) + if (cfi_qry_present(map, base, cfi)) return 1; /* QRY not found */ return 0; } -void __xipram qry_mode_off(uint32_t base, struct map_info *map, - struct cfi_private *cfi) +EXPORT_SYMBOL_GPL(cfi_qry_mode_on); + +void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map, + struct cfi_private *cfi) { cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); } +EXPORT_SYMBOL_GPL(cfi_qry_mode_off); struct cfi_extquery * __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name) @@ -104,7 +108,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n #endif /* Switch it into Query Mode */ - qry_mode_on(base, map, cfi); + cfi_qry_mode_on(base, map, cfi); /* Read in the Extended Query Table */ for (i=0; i Date: Fri, 8 Aug 2008 11:49:08 -0400 Subject: [PATCH 0280/6244] Input: add driver for USB VoIP phones with CM109 chipset Signed-off-by: Alfred E. Heggestad Signed-off-by: Dmitry Torokhov --- drivers/input/misc/Kconfig | 13 + drivers/input/misc/Makefile | 1 + drivers/input/misc/cm109.c | 884 ++++++++++++++++++++++++++++++++++++ 3 files changed, 898 insertions(+) create mode 100644 drivers/input/misc/cm109.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index e99b7882f382..199055db5082 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -180,6 +180,19 @@ config INPUT_YEALINK To compile this driver as a module, choose M here: the module will be called yealink. +config INPUT_CM109 + tristate "C-Media CM109 USB I/O Controller" + depends on EXPERIMENTAL + depends on USB_ARCH_HAS_HCD + select USB + help + Say Y here if you want to enable keyboard and buzzer functions of the + C-Media CM109 usb phones. The audio part is enabled by the generic + usb sound driver, so you might want to enable that as well. + + To compile this driver as a module, choose M here: the module will be + called cm109. + config INPUT_UINPUT tristate "User level driver support" help diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index f48009b52226..d7db2aeb8a98 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o obj-$(CONFIG_INPUT_POWERMATE) += powermate.o obj-$(CONFIG_INPUT_YEALINK) += yealink.o +obj-$(CONFIG_INPUT_CM109) += cm109.o obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o obj-$(CONFIG_INPUT_UINPUT) += uinput.o obj-$(CONFIG_INPUT_APANEL) += apanel.o diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c new file mode 100644 index 000000000000..404fd49243f8 --- /dev/null +++ b/drivers/input/misc/cm109.c @@ -0,0 +1,884 @@ +/* + * Driver for the VoIP USB phones with CM109 chipsets. + * + * Copyright (C) 2007 - 2008 Alfred E. Heggestad + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + */ + +/* + * Tested devices: + * - Komunikate KIP1000 + * - Genius G-talk + * - Allied-Telesis Corega USBPH01 + * - ... + * + * This driver is based on the yealink.c driver + * + * Thanks to: + * - Authors of yealink.c + * - Thomas Reitmayr + * - Oliver Neukum for good review comments and code + * - Shaun Jackman for Genius G-talk keymap + * - Dmitry Torokhov for valuable input and review + * + * Todo: + * - Read/write EEPROM + */ + +#include +#include +#include +#include +#include +#include +#include + +#define CM109_DEBUG 0 + +#define DRIVER_VERSION "20080805" +#define DRIVER_AUTHOR "Alfred E. Heggestad" +#define DRIVER_DESC "CM109 phone driver" + +static char *phone = "kip1000"; +module_param(phone, charp, S_IRUSR); +MODULE_PARM_DESC(phone, "Phone name {kip1000, gtalk, usbph01}"); + +enum { + /* HID Registers */ + HID_IR0 = 0x00, /* Record/Playback-mute button, Volume up/down */ + HID_IR1 = 0x01, /* GPI, generic registers or EEPROM_DATA0 */ + HID_IR2 = 0x02, /* Generic registers or EEPROM_DATA1 */ + HID_IR3 = 0x03, /* Generic registers or EEPROM_CTRL */ + HID_OR0 = 0x00, /* Mapping control, buzzer, SPDIF (offset 0x04) */ + HID_OR1 = 0x01, /* GPO - General Purpose Output */ + HID_OR2 = 0x02, /* Set GPIO to input/output mode */ + HID_OR3 = 0x03, /* SPDIF status channel or EEPROM_CTRL */ + + /* HID_IR0 */ + RECORD_MUTE = 1 << 3, + PLAYBACK_MUTE = 1 << 2, + VOLUME_DOWN = 1 << 1, + VOLUME_UP = 1 << 0, + + /* HID_OR0 */ + /* bits 7-6 + 0: HID_OR1-2 are used for GPO; HID_OR0, 3 are used for buzzer + and SPDIF + 1: HID_OR0-3 are used as generic HID registers + 2: Values written to HID_OR0-3 are also mapped to MCU_CTRL, + EEPROM_DATA0-1, EEPROM_CTRL (see Note) + 3: Reserved + */ + HID_OR_GPO_BUZ_SPDIF = 0 << 6, + HID_OR_GENERIC_HID_REG = 1 << 6, + HID_OR_MAP_MCU_EEPROM = 2 << 6, + + BUZZER_ON = 1 << 5, + + /* up to 256 normal keys, up to 16 special keys */ + KEYMAP_SIZE = 256 + 16, +}; + +/* CM109 protocol packet */ +struct cm109_ctl_packet { + u8 byte[4]; +} __attribute__ ((packed)); + +enum { USB_PKT_LEN = sizeof(struct cm109_ctl_packet) }; + +/* CM109 device structure */ +struct cm109_dev { + struct input_dev *idev; /* input device */ + struct usb_device *udev; /* usb device */ + struct usb_interface *intf; + + /* irq input channel */ + struct cm109_ctl_packet *irq_data; + dma_addr_t irq_dma; + struct urb *urb_irq; + + /* control output channel */ + struct cm109_ctl_packet *ctl_data; + dma_addr_t ctl_dma; + struct usb_ctrlrequest *ctl_req; + dma_addr_t ctl_req_dma; + struct urb *urb_ctl; + /* + * The 3 bitfields below are protected by ctl_submit_lock. + * They have to be separate since they are accessed from IRQ + * context. + */ + unsigned irq_urb_pending:1; /* irq_urb is in flight */ + unsigned ctl_urb_pending:1; /* ctl_urb is in flight */ + unsigned buzzer_pending:1; /* need to issue buzz command */ + spinlock_t ctl_submit_lock; + + unsigned char buzzer_state; /* on/off */ + + /* flags */ + unsigned open:1; + unsigned resetting:1; + unsigned shutdown:1; + + /* This mutex protects writes to the above flags */ + struct mutex pm_mutex; + + unsigned short keymap[KEYMAP_SIZE]; + + char phys[64]; /* physical device path */ + int key_code; /* last reported key */ + int keybit; /* 0=new scan 1,2,4,8=scan columns */ + u8 gpi; /* Cached value of GPI (high nibble) */ +}; + +/****************************************************************************** + * CM109 key interface + *****************************************************************************/ + +static unsigned short special_keymap(int code) +{ + if (code > 0xff) { + switch (code - 0xff) { + case RECORD_MUTE: return KEY_MUTE; + case PLAYBACK_MUTE: return KEY_MUTE; + case VOLUME_DOWN: return KEY_VOLUMEDOWN; + case VOLUME_UP: return KEY_VOLUMEUP; + } + } + return KEY_RESERVED; +} + +/* Map device buttons to internal key events. + * + * The "up" and "down" keys, are symbolised by arrows on the button. + * The "pickup" and "hangup" keys are symbolised by a green and red phone + * on the button. + + Komunikate KIP1000 Keyboard Matrix + + -> -- 1 -- 2 -- 3 --> GPI pin 4 (0x10) + | | | | + <- -- 4 -- 5 -- 6 --> GPI pin 5 (0x20) + | | | | + END - 7 -- 8 -- 9 --> GPI pin 6 (0x40) + | | | | + OK -- * -- 0 -- # --> GPI pin 7 (0x80) + | | | | + + /|\ /|\ /|\ /|\ + | | | | +GPO +pin: 3 2 1 0 + 0x8 0x4 0x2 0x1 + + */ +static unsigned short keymap_kip1000(int scancode) +{ + switch (scancode) { /* phone key: */ + case 0x82: return KEY_NUMERIC_0; /* 0 */ + case 0x14: return KEY_NUMERIC_1; /* 1 */ + case 0x12: return KEY_NUMERIC_2; /* 2 */ + case 0x11: return KEY_NUMERIC_3; /* 3 */ + case 0x24: return KEY_NUMERIC_4; /* 4 */ + case 0x22: return KEY_NUMERIC_5; /* 5 */ + case 0x21: return KEY_NUMERIC_6; /* 6 */ + case 0x44: return KEY_NUMERIC_7; /* 7 */ + case 0x42: return KEY_NUMERIC_8; /* 8 */ + case 0x41: return KEY_NUMERIC_9; /* 9 */ + case 0x81: return KEY_NUMERIC_POUND; /* # */ + case 0x84: return KEY_NUMERIC_STAR; /* * */ + case 0x88: return KEY_ENTER; /* pickup */ + case 0x48: return KEY_ESC; /* hangup */ + case 0x28: return KEY_LEFT; /* IN */ + case 0x18: return KEY_RIGHT; /* OUT */ + default: return special_keymap(scancode); + } +} + +/* + Contributed by Shaun Jackman + + Genius G-Talk keyboard matrix + 0 1 2 3 + 4: 0 4 8 Talk + 5: 1 5 9 End + 6: 2 6 # Up + 7: 3 7 * Down +*/ +static unsigned short keymap_gtalk(int scancode) +{ + switch (scancode) { + case 0x11: return KEY_NUMERIC_0; + case 0x21: return KEY_NUMERIC_1; + case 0x41: return KEY_NUMERIC_2; + case 0x81: return KEY_NUMERIC_3; + case 0x12: return KEY_NUMERIC_4; + case 0x22: return KEY_NUMERIC_5; + case 0x42: return KEY_NUMERIC_6; + case 0x82: return KEY_NUMERIC_7; + case 0x14: return KEY_NUMERIC_8; + case 0x24: return KEY_NUMERIC_9; + case 0x44: return KEY_NUMERIC_POUND; /* # */ + case 0x84: return KEY_NUMERIC_STAR; /* * */ + case 0x18: return KEY_ENTER; /* Talk (green handset) */ + case 0x28: return KEY_ESC; /* End (red handset) */ + case 0x48: return KEY_UP; /* Menu up (rocker switch) */ + case 0x88: return KEY_DOWN; /* Menu down (rocker switch) */ + default: return special_keymap(scancode); + } +} + +/* + * Keymap for Allied-Telesis Corega USBPH01 + * http://www.alliedtelesis-corega.com/2/1344/1437/1360/chprd.html + * + * Contributed by july@nat.bg + */ +static unsigned short keymap_usbph01(int scancode) +{ + switch (scancode) { + case 0x11: return KEY_NUMERIC_0; /* 0 */ + case 0x21: return KEY_NUMERIC_1; /* 1 */ + case 0x41: return KEY_NUMERIC_2; /* 2 */ + case 0x81: return KEY_NUMERIC_3; /* 3 */ + case 0x12: return KEY_NUMERIC_4; /* 4 */ + case 0x22: return KEY_NUMERIC_5; /* 5 */ + case 0x42: return KEY_NUMERIC_6; /* 6 */ + case 0x82: return KEY_NUMERIC_7; /* 7 */ + case 0x14: return KEY_NUMERIC_8; /* 8 */ + case 0x24: return KEY_NUMERIC_9; /* 9 */ + case 0x44: return KEY_NUMERIC_POUND; /* # */ + case 0x84: return KEY_NUMERIC_STAR; /* * */ + case 0x18: return KEY_ENTER; /* pickup */ + case 0x28: return KEY_ESC; /* hangup */ + case 0x48: return KEY_LEFT; /* IN */ + case 0x88: return KEY_RIGHT; /* OUT */ + default: return special_keymap(scancode); + } +} + +static unsigned short (*keymap)(int) = keymap_kip1000; + +/* + * Completes a request by converting the data into events for the + * input subsystem. + */ +static void report_key(struct cm109_dev *dev, int key) +{ + struct input_dev *idev = dev->idev; + + if (dev->key_code >= 0) { + /* old key up */ + input_report_key(idev, dev->key_code, 0); + } + + dev->key_code = key; + if (key >= 0) { + /* new valid key */ + input_report_key(idev, key, 1); + } + + input_sync(idev); +} + +/****************************************************************************** + * CM109 usb communication interface + *****************************************************************************/ + +static void cm109_submit_buzz_toggle(struct cm109_dev *dev) +{ + int error; + + if (dev->buzzer_state) + dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; + else + dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; + + error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC); + if (error) + err("%s: usb_submit_urb (urb_ctl) failed %d", __func__, error); +} + +/* + * IRQ handler + */ +static void cm109_urb_irq_callback(struct urb *urb) +{ + struct cm109_dev *dev = urb->context; + const int status = urb->status; + int error; + +#if CM109_DEBUG + info("### URB IRQ: [0x%02x 0x%02x 0x%02x 0x%02x] keybit=0x%02x", + dev->irq_data->byte[0], + dev->irq_data->byte[1], + dev->irq_data->byte[2], + dev->irq_data->byte[3], + dev->keybit); +#endif + + if (status) { + if (status == -ESHUTDOWN) + return; + err("%s: urb status %d", __func__, status); + } + + /* Special keys */ + if (dev->irq_data->byte[HID_IR0] & 0x0f) { + const int code = (dev->irq_data->byte[HID_IR0] & 0x0f); + report_key(dev, dev->keymap[0xff + code]); + } + + /* Scan key column */ + if (dev->keybit == 0xf) { + + /* Any changes ? */ + if ((dev->gpi & 0xf0) == (dev->irq_data->byte[HID_IR1] & 0xf0)) + goto out; + + dev->gpi = dev->irq_data->byte[HID_IR1] & 0xf0; + dev->keybit = 0x1; + } else { + report_key(dev, dev->keymap[dev->irq_data->byte[HID_IR1]]); + + dev->keybit <<= 1; + if (dev->keybit > 0x8) + dev->keybit = 0xf; + } + + out: + + spin_lock(&dev->ctl_submit_lock); + + dev->irq_urb_pending = 0; + + if (likely(!dev->shutdown)) { + + if (dev->buzzer_state) + dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; + else + dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; + + dev->ctl_data->byte[HID_OR1] = dev->keybit; + dev->ctl_data->byte[HID_OR2] = dev->keybit; + + dev->buzzer_pending = 0; + dev->ctl_urb_pending = 1; + + error = usb_submit_urb(dev->urb_ctl, GFP_ATOMIC); + if (error) + err("%s: usb_submit_urb (urb_ctl) failed %d", + __func__, error); + } + + spin_unlock(&dev->ctl_submit_lock); +} + +static void cm109_urb_ctl_callback(struct urb *urb) +{ + struct cm109_dev *dev = urb->context; + const int status = urb->status; + int error; + +#if CM109_DEBUG + info("### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]", + dev->ctl_data->byte[0], + dev->ctl_data->byte[1], + dev->ctl_data->byte[2], + dev->ctl_data->byte[3]); +#endif + + if (status) + err("%s: urb status %d", __func__, status); + + spin_lock(&dev->ctl_submit_lock); + + dev->ctl_urb_pending = 0; + + if (likely(!dev->shutdown)) { + + if (dev->buzzer_pending) { + dev->buzzer_pending = 0; + dev->ctl_urb_pending = 1; + cm109_submit_buzz_toggle(dev); + } else if (likely(!dev->irq_urb_pending)) { + /* ask for key data */ + dev->irq_urb_pending = 1; + error = usb_submit_urb(dev->urb_irq, GFP_ATOMIC); + if (error) + err("%s: usb_submit_urb (urb_irq) failed %d", + __func__, error); + } + } + + spin_unlock(&dev->ctl_submit_lock); +} + +static void cm109_toggle_buzzer_async(struct cm109_dev *dev) +{ + unsigned long flags; + + spin_lock_irqsave(&dev->ctl_submit_lock, flags); + + if (dev->ctl_urb_pending) { + /* URB completion will resubmit */ + dev->buzzer_pending = 1; + } else { + dev->ctl_urb_pending = 1; + cm109_submit_buzz_toggle(dev); + } + + spin_unlock_irqrestore(&dev->ctl_submit_lock, flags); +} + +static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) +{ + int error; + + if (on) + dev->ctl_data->byte[HID_OR0] |= BUZZER_ON; + else + dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON; + + error = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + dev->ctl_req->bRequest, + dev->ctl_req->bRequestType, + le16_to_cpu(dev->ctl_req->wValue), + le16_to_cpu(dev->ctl_req->wIndex), + dev->ctl_data, + USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); + if (error && error != EINTR) + err("%s: usb_control_msg() failed %d", __func__, error); +} + +static void cm109_stop_traffic(struct cm109_dev *dev) +{ + dev->shutdown = 1; + /* + * Make sure other CPUs see this + */ + smp_wmb(); + + usb_kill_urb(dev->urb_ctl); + usb_kill_urb(dev->urb_irq); + + cm109_toggle_buzzer_sync(dev, 0); + + dev->shutdown = 0; + smp_wmb(); +} + +static void cm109_restore_state(struct cm109_dev *dev) +{ + if (dev->open) { + /* + * Restore buzzer state. + * This will also kick regular URB submission + */ + cm109_toggle_buzzer_async(dev); + } +} + +/****************************************************************************** + * input event interface + *****************************************************************************/ + +static int cm109_input_open(struct input_dev *idev) +{ + struct cm109_dev *dev = input_get_drvdata(idev); + int error; + + error = usb_autopm_get_interface(dev->intf); + if (error < 0) { + err("%s - cannot autoresume, result %d", + __func__, error); + return error; + } + + mutex_lock(&dev->pm_mutex); + + dev->buzzer_state = 0; + dev->key_code = -1; /* no keys pressed */ + dev->keybit = 0xf; + + /* issue INIT */ + dev->ctl_data->byte[HID_OR0] = HID_OR_GPO_BUZ_SPDIF; + dev->ctl_data->byte[HID_OR1] = dev->keybit; + dev->ctl_data->byte[HID_OR2] = dev->keybit; + dev->ctl_data->byte[HID_OR3] = 0x00; + + error = usb_submit_urb(dev->urb_ctl, GFP_KERNEL); + if (error) + err("%s: usb_submit_urb (urb_ctl) failed %d", __func__, error); + else + dev->open = 1; + + mutex_unlock(&dev->pm_mutex); + + if (error) + usb_autopm_put_interface(dev->intf); + + return error; +} + +static void cm109_input_close(struct input_dev *idev) +{ + struct cm109_dev *dev = input_get_drvdata(idev); + + mutex_lock(&dev->pm_mutex); + + /* + * Once we are here event delivery is stopped so we + * don't need to worry about someone starting buzzer + * again + */ + cm109_stop_traffic(dev); + dev->open = 0; + + mutex_unlock(&dev->pm_mutex); + + usb_autopm_put_interface(dev->intf); +} + +static int cm109_input_ev(struct input_dev *idev, unsigned int type, + unsigned int code, int value) +{ + struct cm109_dev *dev = input_get_drvdata(idev); + +#if CM109_DEBUG + info("input_ev: type=%u code=%u value=%d", type, code, value); +#endif + + if (type != EV_SND) + return -EINVAL; + + switch (code) { + case SND_TONE: + case SND_BELL: + dev->buzzer_state = !!value; + if (!dev->resetting) + cm109_toggle_buzzer_async(dev); + return 0; + + default: + return -EINVAL; + } +} + + +/****************************************************************************** + * Linux interface and usb initialisation + *****************************************************************************/ + +struct driver_info { + char *name; +}; + +static const struct driver_info info_cm109 = { + .name = "CM109 USB driver", +}; + +enum { + VENDOR_ID = 0x0d8c, /* C-Media Electronics */ + PRODUCT_ID_CM109 = 0x000e, /* CM109 defines range 0x0008 - 0x000f */ +}; + +/* table of devices that work with this driver */ +static const struct usb_device_id cm109_usb_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = VENDOR_ID, + .idProduct = PRODUCT_ID_CM109, + .bInterfaceClass = USB_CLASS_HID, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t) &info_cm109 + }, + /* you can add more devices here with product ID 0x0008 - 0x000f */ + { } +}; + +static void cm109_usb_cleanup(struct cm109_dev *dev) +{ + if (dev->ctl_req) + usb_buffer_free(dev->udev, sizeof(*(dev->ctl_req)), + dev->ctl_req, dev->ctl_req_dma); + if (dev->ctl_data) + usb_buffer_free(dev->udev, USB_PKT_LEN, + dev->ctl_data, dev->ctl_dma); + if (dev->irq_data) + usb_buffer_free(dev->udev, USB_PKT_LEN, + dev->irq_data, dev->irq_dma); + + usb_free_urb(dev->urb_irq); /* parameter validation in core/urb */ + usb_free_urb(dev->urb_ctl); /* parameter validation in core/urb */ + kfree(dev); +} + +static void cm109_usb_disconnect(struct usb_interface *interface) +{ + struct cm109_dev *dev = usb_get_intfdata(interface); + + usb_set_intfdata(interface, NULL); + input_unregister_device(dev->idev); + cm109_usb_cleanup(dev); +} + +static int cm109_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct driver_info *nfo = (struct driver_info *)id->driver_info; + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct cm109_dev *dev; + struct input_dev *input_dev = NULL; + int ret, pipe, i; + int error = -ENOMEM; + + interface = intf->cur_altsetting; + endpoint = &interface->endpoint[0].desc; + + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + spin_lock_init(&dev->ctl_submit_lock); + mutex_init(&dev->pm_mutex); + + dev->udev = udev; + dev->intf = intf; + + dev->idev = input_dev = input_allocate_device(); + if (!input_dev) + goto err_out; + + /* allocate usb buffers */ + dev->irq_data = usb_buffer_alloc(udev, USB_PKT_LEN, + GFP_KERNEL, &dev->irq_dma); + if (!dev->irq_data) + goto err_out; + + dev->ctl_data = usb_buffer_alloc(udev, USB_PKT_LEN, + GFP_KERNEL, &dev->ctl_dma); + if (!dev->ctl_data) + goto err_out; + + dev->ctl_req = usb_buffer_alloc(udev, sizeof(*(dev->ctl_req)), + GFP_KERNEL, &dev->ctl_req_dma); + if (!dev->ctl_req) + goto err_out; + + /* allocate urb structures */ + dev->urb_irq = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urb_irq) + goto err_out; + + dev->urb_ctl = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urb_ctl) + goto err_out; + + /* get a handle to the interrupt data pipe */ + pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); + ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); + if (ret != USB_PKT_LEN) + err("invalid payload size %d, expected %d", ret, USB_PKT_LEN); + + /* initialise irq urb */ + usb_fill_int_urb(dev->urb_irq, udev, pipe, dev->irq_data, + USB_PKT_LEN, + cm109_urb_irq_callback, dev, endpoint->bInterval); + dev->urb_irq->transfer_dma = dev->irq_dma; + dev->urb_irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + dev->urb_irq->dev = udev; + + /* initialise ctl urb */ + dev->ctl_req->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | + USB_DIR_OUT; + dev->ctl_req->bRequest = USB_REQ_SET_CONFIGURATION; + dev->ctl_req->wValue = cpu_to_le16(0x200); + dev->ctl_req->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber); + dev->ctl_req->wLength = cpu_to_le16(USB_PKT_LEN); + + usb_fill_control_urb(dev->urb_ctl, udev, usb_sndctrlpipe(udev, 0), + (void *)dev->ctl_req, dev->ctl_data, USB_PKT_LEN, + cm109_urb_ctl_callback, dev); + dev->urb_ctl->setup_dma = dev->ctl_req_dma; + dev->urb_ctl->transfer_dma = dev->ctl_dma; + dev->urb_ctl->transfer_flags |= URB_NO_SETUP_DMA_MAP | + URB_NO_TRANSFER_DMA_MAP; + dev->urb_ctl->dev = udev; + + /* find out the physical bus location */ + usb_make_path(udev, dev->phys, sizeof(dev->phys)); + strlcat(dev->phys, "/input0", sizeof(dev->phys)); + + /* register settings for the input device */ + input_dev->name = nfo->name; + input_dev->phys = dev->phys; + usb_to_input_id(udev, &input_dev->id); + input_dev->dev.parent = &intf->dev; + + input_set_drvdata(input_dev, dev); + input_dev->open = cm109_input_open; + input_dev->close = cm109_input_close; + input_dev->event = cm109_input_ev; + + input_dev->keycode = dev->keymap; + input_dev->keycodesize = sizeof(unsigned char); + input_dev->keycodemax = ARRAY_SIZE(dev->keymap); + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_SND); + input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); + + /* register available key events */ + for (i = 0; i < KEYMAP_SIZE; i++) { + unsigned short k = keymap(i); + dev->keymap[i] = k; + __set_bit(k, input_dev->keybit); + } + __clear_bit(KEY_RESERVED, input_dev->keybit); + + error = input_register_device(dev->idev); + if (error) + goto err_out; + + usb_set_intfdata(intf, dev); + + return 0; + + err_out: + input_free_device(input_dev); + cm109_usb_cleanup(dev); + return error; +} + +static int cm109_usb_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct cm109_dev *dev = usb_get_intfdata(intf); + + info("cm109: usb_suspend (event=%d)", message.event); + + mutex_lock(&dev->pm_mutex); + cm109_stop_traffic(dev); + mutex_unlock(&dev->pm_mutex); + + return 0; +} + +static int cm109_usb_resume(struct usb_interface *intf) +{ + struct cm109_dev *dev = usb_get_intfdata(intf); + + info("cm109: usb_resume"); + + mutex_lock(&dev->pm_mutex); + cm109_restore_state(dev); + mutex_unlock(&dev->pm_mutex); + + return 0; +} + +static int cm109_usb_pre_reset(struct usb_interface *intf) +{ + struct cm109_dev *dev = usb_get_intfdata(intf); + + mutex_lock(&dev->pm_mutex); + + /* + * Make sure input events don't try to toggle buzzer + * while we are resetting + */ + dev->resetting = 1; + smp_wmb(); + + cm109_stop_traffic(dev); + + return 0; +} + +static int cm109_usb_post_reset(struct usb_interface *intf) +{ + struct cm109_dev *dev = usb_get_intfdata(intf); + + dev->resetting = 0; + smp_wmb(); + + cm109_restore_state(dev); + + mutex_unlock(&dev->pm_mutex); + + return 0; +} + +static struct usb_driver cm109_driver = { + .name = "cm109", + .probe = cm109_usb_probe, + .disconnect = cm109_usb_disconnect, + .suspend = cm109_usb_suspend, + .resume = cm109_usb_resume, + .reset_resume = cm109_usb_resume, + .pre_reset = cm109_usb_pre_reset, + .post_reset = cm109_usb_post_reset, + .id_table = cm109_usb_table, + .supports_autosuspend = 1, +}; + +static int __init cm109_select_keymap(void) +{ + /* Load the phone keymap */ + if (!strcasecmp(phone, "kip1000")) { + keymap = keymap_kip1000; + info("Keymap for Komunikate KIP1000 phone loaded"); + } else if (!strcasecmp(phone, "gtalk")) { + keymap = keymap_gtalk; + info("Keymap for Genius G-talk phone loaded"); + } else if (!strcasecmp(phone, "usbph01")) { + keymap = keymap_usbph01; + info("Keymap for Allied-Telesis Corega USBPH01 phone loaded"); + } else { + err("Unsupported phone: %s", phone); + return -EINVAL; + } + + return 0; +} + +static int __init cm109_init(void) +{ + int err; + + err = cm109_select_keymap(); + if (err) + return err; + + err = usb_register(&cm109_driver); + if (err) + return err; + + info(DRIVER_DESC ": " DRIVER_VERSION " (C) " DRIVER_AUTHOR); + + return 0; +} + +static void __exit cm109_exit(void) +{ + usb_deregister(&cm109_driver); +} + +module_init(cm109_init); +module_exit(cm109_exit); + +MODULE_DEVICE_TABLE(usb, cm109_usb_table); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); -- GitLab From 34a7c48c221676ff8322ca4b8ded84eada34cf12 Mon Sep 17 00:00:00 2001 From: Remi Herilier Date: Fri, 8 Aug 2008 12:13:13 -0400 Subject: [PATCH 0281/6244] Input: wistron - add support for Fujitsu-Siemens Amilo Pro v3505 Wistron button support for Fujitsu-Siemens Amilo Pro Edition V3505. Signed-off-by: Remi Herilier Signed-off-by: Andrew Morton Signed-off-by: Dmitry Torokhov --- drivers/input/misc/wistron_btns.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index fe268be3293b..7c8957dd22c0 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -277,6 +277,16 @@ static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = { { KE_END, 0 } }; +static struct key_entry keymap_fs_amilo_pro_v3505[] __initdata = { + { KE_KEY, 0x01, {KEY_HELP} }, /* Fn+F1 */ + { KE_KEY, 0x06, {KEY_DISPLAYTOGGLE} }, /* Fn+F4 */ + { KE_BLUETOOTH, 0x30 }, /* Fn+F10 */ + { KE_KEY, 0x31, {KEY_MAIL} }, /* mail button */ + { KE_KEY, 0x36, {KEY_WWW} }, /* www button */ + { KE_WIFI, 0x78 }, /* satelite dish button */ + { KE_END, 0 } +}; + static struct key_entry keymap_fujitsu_n3510[] __initdata = { { KE_KEY, 0x11, {KEY_PROG1} }, { KE_KEY, 0x12, {KEY_PROG2} }, @@ -616,6 +626,15 @@ static struct dmi_system_id dmi_ids[] __initdata = { }, .driver_data = keymap_fs_amilo_pro_v2000 }, + { + .callback = dmi_matched, + .ident = "Fujitsu-Siemens Amilo Pro Edition V3505", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro Edition V3505"), + }, + .driver_data = keymap_fs_amilo_pro_v3505 + }, { .callback = dmi_matched, .ident = "Fujitsu-Siemens Amilo M7400", -- GitLab From 57ffe9d539e0eb741bb9ca8f2834d210e70ee2e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 8 Aug 2008 12:14:34 -0400 Subject: [PATCH 0282/6244] Input: gpio-keys - optimize interrupt handler MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit By passing a gpio_button_data structure to the handler instead of the whole platform_device the search for the right button can go away. Signed-off-by: Uwe Kleine-König Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/gpio_keys.c | 35 ++++++++++-------------------- 1 file changed, 12 insertions(+), 23 deletions(-) diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index be58730e636a..e2809d29d99d 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -56,29 +56,18 @@ static void gpio_check_button(unsigned long _data) static irqreturn_t gpio_keys_isr(int irq, void *dev_id) { - struct platform_device *pdev = dev_id; - struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; - struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev); - int i; + struct gpio_button_data *bdata = dev_id; + struct gpio_keys_button *button = bdata->button; - for (i = 0; i < pdata->nbuttons; i++) { - struct gpio_keys_button *button = &pdata->buttons[i]; + BUG_ON(irq != gpio_to_irq(button->gpio)); - if (irq == gpio_to_irq(button->gpio)) { - struct gpio_button_data *bdata = &ddata->data[i]; - - if (button->debounce_interval) - mod_timer(&bdata->timer, - jiffies + - msecs_to_jiffies(button->debounce_interval)); - else - gpio_keys_report_event(button, bdata->input); - - return IRQ_HANDLED; - } - } + if (button->debounce_interval) + mod_timer(&bdata->timer, + jiffies + msecs_to_jiffies(button->debounce_interval)); + else + gpio_keys_report_event(button, bdata->input); - return IRQ_NONE; + return IRQ_HANDLED; } static int __devinit gpio_keys_probe(struct platform_device *pdev) @@ -151,7 +140,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, button->desc ? button->desc : "gpio_keys", - pdev); + bdata); if (error) { pr_err("gpio-keys: Unable to claim irq %d; error %d\n", irq, error); @@ -178,7 +167,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) fail2: while (--i >= 0) { - free_irq(gpio_to_irq(pdata->buttons[i].gpio), pdev); + free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]); if (pdata->buttons[i].debounce_interval) del_timer_sync(&ddata->data[i].timer); gpio_free(pdata->buttons[i].gpio); @@ -203,7 +192,7 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev) for (i = 0; i < pdata->nbuttons; i++) { int irq = gpio_to_irq(pdata->buttons[i].gpio); - free_irq(irq, pdev); + free_irq(irq, &ddata->data[i]); if (pdata->buttons[i].debounce_interval) del_timer_sync(&ddata->data[i].timer); gpio_free(pdata->buttons[i].gpio); -- GitLab From ce25d7e90c7543f0046c3bdcdcc7594546c57dcc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Fri, 8 Aug 2008 12:14:36 -0400 Subject: [PATCH 0283/6244] Input: gpio-keys - simplify argument list for report_event MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit For now this only saves a few instructions (for gpio_keys_report_event, gpio_keys_isr and gpio_check_button one instraction each on ARM using arm-linux-gnu-gcc 4.2.3---I assume this is similar for other arch/compiler combinations). Signed-off-by: Uwe Kleine-König Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/gpio_keys.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index e2809d29d99d..fe22ca34d576 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -37,9 +37,10 @@ struct gpio_keys_drvdata { struct gpio_button_data data[0]; }; -static void gpio_keys_report_event(struct gpio_keys_button *button, - struct input_dev *input) +static void gpio_keys_report_event(struct gpio_button_data *bdata) { + struct gpio_keys_button *button = bdata->button; + struct input_dev *input = bdata->input; unsigned int type = button->type ?: EV_KEY; int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low; @@ -51,7 +52,7 @@ static void gpio_check_button(unsigned long _data) { struct gpio_button_data *data = (struct gpio_button_data *)_data; - gpio_keys_report_event(data->button, data->input); + gpio_keys_report_event(data); } static irqreturn_t gpio_keys_isr(int irq, void *dev_id) @@ -65,7 +66,7 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id) mod_timer(&bdata->timer, jiffies + msecs_to_jiffies(button->debounce_interval)); else - gpio_keys_report_event(button, bdata->input); + gpio_keys_report_event(bdata); return IRQ_HANDLED; } -- GitLab From d83d213d9fda671dfd84ea81182742f9e329a6b4 Mon Sep 17 00:00:00 2001 From: Sven Anders Date: Fri, 8 Aug 2008 16:31:31 -0400 Subject: [PATCH 0284/6244] Input: appletouch - prepare for geyser 3/4 handling Split complete function into separate functions for GEYSER1/2 and GEYSER 3/4. Signed-off-by: Sven Anders Signed-off-by: Johannes Berg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/appletouch.c | 266 +++++++++++++++++++++++-------- 1 file changed, 197 insertions(+), 69 deletions(-) diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 1f41ae94f26b..36ebe5c25ee3 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -327,11 +327,14 @@ static inline void atp_report_fingers(struct input_dev *input, int fingers) input_report_key(input, BTN_TOOL_TRIPLETAP, fingers > 2); } -static void atp_complete(struct urb *urb) +/* Check URB status and for correct length of data package */ + +#define ATP_URB_STATUS_SUCCESS 0 +#define ATP_URB_STATUS_ERROR 1 +#define ATP_URB_STATUS_ERROR_FATAL 2 + +static int atp_status_check(struct urb *urb) { - int x, y, x_z, y_z, x_f, y_f; - int retval, i, j; - int key; struct atp *dev = urb->context; switch (urb->status) { @@ -351,11 +354,12 @@ static void atp_complete(struct urb *urb) /* This urb is terminated, clean up */ dbg("atp_complete: urb shutting down with status: %d", urb->status); - return; + return ATP_URB_STATUS_ERROR_FATAL; + default: dbg("atp_complete: nonzero urb status received: %d", urb->status); - goto exit; + return ATP_URB_STATUS_ERROR; } /* drop incomplete datasets */ @@ -363,30 +367,33 @@ static void atp_complete(struct urb *urb) dprintk("appletouch: incomplete data package" " (first byte: %d, length: %d).\n", dev->data[0], dev->urb->actual_length); - goto exit; + return ATP_URB_STATUS_ERROR; } - /* reorder the sensors values */ - if (dev->type == ATP_GEYSER3 || dev->type == ATP_GEYSER4) { - memset(dev->xy_cur, 0, sizeof(dev->xy_cur)); + return ATP_URB_STATUS_SUCCESS; +} - /* - * The values are laid out like this: - * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ... - * '-' is an unused value. - */ +/* + * USB interrupt callback functions + */ - /* read X values */ - for (i = 0, j = 19; i < 20; i += 2, j += 3) { - dev->xy_cur[i] = dev->data[j + 1]; - dev->xy_cur[i + 1] = dev->data[j + 2]; - } - /* read Y values */ - for (i = 0, j = 1; i < 9; i += 2, j += 3) { - dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1]; - dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2]; - } - } else if (dev->type == ATP_GEYSER2) { +/* Interrupt function for older touchpads: FOUNTAIN/GEYSER1/GEYSER2 */ + +static void atp_complete_geyser_1_2(struct urb *urb) +{ + int x, y, x_z, y_z, x_f, y_f; + int retval, i, j; + int key; + struct atp *dev = urb->context; + int status = atp_status_check(urb); + + if (status == ATP_URB_STATUS_ERROR_FATAL) + return; + else if (status == ATP_URB_STATUS_ERROR) + goto exit; + + /* reorder the sensors values */ + if (dev->type == ATP_GEYSER2) { memset(dev->xy_cur, 0, sizeof(dev->xy_cur)); /* @@ -427,33 +434,146 @@ static void atp_complete(struct urb *urb) /* first sample */ dev->valid = true; dev->x_old = dev->y_old = -1; + + /* Store first sample */ memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); - if (dev->size_detect_done || - dev->type == ATP_GEYSER3) /* No 17" Macbooks (yet) */ + /* Perform size detection, if not done already */ + if (!dev->size_detect_done) { + + /* 17" Powerbooks have extra X sensors */ + for (i = (dev->type == ATP_GEYSER2 ? 15 : 16); + i < ATP_XSENSORS; i++) { + if (!dev->xy_cur[i]) + continue; + + printk(KERN_INFO + "appletouch: 17\" model detected.\n"); + + if (dev->type == ATP_GEYSER2) + input_set_abs_params(dev->input, ABS_X, + 0, + (20 - 1) * + ATP_XFACT - 1, + ATP_FUZZ, 0); + else + input_set_abs_params(dev->input, ABS_X, + 0, + (26 - 1) * + ATP_XFACT - 1, + ATP_FUZZ, 0); + break; + } + + dev->size_detect_done = 1; goto exit; + } + } - /* 17" Powerbooks have extra X sensors */ - for (i = (dev->type == ATP_GEYSER2 ? 15 : 16); - i < ATP_XSENSORS; i++) { - if (!dev->xy_cur[i]) - continue; - - printk(KERN_INFO "appletouch: 17\" model detected.\n"); - if (dev->type == ATP_GEYSER2) - input_set_abs_params(dev->input, ABS_X, 0, - (20 - 1) * - ATP_XFACT - 1, - ATP_FUZZ, 0); - else - input_set_abs_params(dev->input, ABS_X, 0, - (ATP_XSENSORS - 1) * - ATP_XFACT - 1, - ATP_FUZZ, 0); - break; + for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) { + /* accumulate the change */ + signed char change = dev->xy_old[i] - dev->xy_cur[i]; + dev->xy_acc[i] -= change; + + /* prevent down drifting */ + if (dev->xy_acc[i] < 0) + dev->xy_acc[i] = 0; + } + + memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); + + dbg_dump("accumulator", dev->xy_acc); + + x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS, + ATP_XFACT, &x_z, &x_f); + y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS, + ATP_YFACT, &y_z, &y_f); + key = dev->data[dev->datalen - 1] & 1; + + if (x && y) { + if (dev->x_old != -1) { + x = (dev->x_old * 3 + x) >> 2; + y = (dev->y_old * 3 + y) >> 2; + dev->x_old = x; + dev->y_old = y; + + if (debug > 1) + printk(KERN_DEBUG "appletouch: " + "X: %3d Y: %3d Xz: %3d Yz: %3d\n", + x, y, x_z, y_z); + + input_report_key(dev->input, BTN_TOUCH, 1); + input_report_abs(dev->input, ABS_X, x); + input_report_abs(dev->input, ABS_Y, y); + input_report_abs(dev->input, ABS_PRESSURE, + min(ATP_PRESSURE, x_z + y_z)); + atp_report_fingers(dev->input, max(x_f, y_f)); } + dev->x_old = x; + dev->y_old = y; + + } else if (!x && !y) { + + dev->x_old = dev->y_old = -1; + input_report_key(dev->input, BTN_TOUCH, 0); + input_report_abs(dev->input, ABS_PRESSURE, 0); + atp_report_fingers(dev->input, 0); + + /* reset the accumulator on release */ + memset(dev->xy_acc, 0, sizeof(dev->xy_acc)); + } + + input_report_key(dev->input, BTN_LEFT, key); + input_sync(dev->input); + + exit: + retval = usb_submit_urb(dev->urb, GFP_ATOMIC); + if (retval) + err("atp_complete: usb_submit_urb failed with result %d", + retval); +} + +/* Interrupt function for older touchpads: GEYSER3/GEYSER4 */ + +static void atp_complete_geyser_3_4(struct urb *urb) +{ + int x, y, x_z, y_z, x_f, y_f; + int retval, i, j; + int key; + struct atp *dev = urb->context; + int status = atp_status_check(urb); + + if (status == ATP_URB_STATUS_ERROR_FATAL) + return; + else if (status == ATP_URB_STATUS_ERROR) + goto exit; + + /* Reorder the sensors values: + * + * The values are laid out like this: + * -, Y1, Y2, -, Y3, Y4, -, ..., -, X1, X2, -, X3, X4, ... + * '-' is an unused value. + */ + + /* read X values */ + for (i = 0, j = 19; i < 20; i += 2, j += 3) { + dev->xy_cur[i] = dev->data[j + 1]; + dev->xy_cur[i + 1] = dev->data[j + 2]; + } + /* read Y values */ + for (i = 0, j = 1; i < 9; i += 2, j += 3) { + dev->xy_cur[ATP_XSENSORS + i] = dev->data[j + 1]; + dev->xy_cur[ATP_XSENSORS + i + 1] = dev->data[j + 2]; + } + + dbg_dump("sample", dev->xy_cur); + + if (!dev->valid) { + /* first sample */ + dev->valid = true; + dev->x_old = dev->y_old = -1; + memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); - dev->size_detect_done = 1; goto exit; } @@ -514,28 +634,26 @@ static void atp_complete(struct urb *urb) input_sync(dev->input); /* - * Many Geysers will continue to send packets continually after + * Geysers 3/4 will continue to send packets continually after * the first touch unless reinitialised. Do so if it's been * idle for a while in order to avoid waking the kernel up - * several hundred times a second. Re-initialization does not - * work on Fountain touchpads. + * several hundred times a second. */ - if (dev->type != ATP_FOUNTAIN) { - /* - * Button must not be pressed when entering suspend, - * otherwise we will never release the button. - */ - if (!x && !y && !key) { - dev->idlecount++; - if (dev->idlecount == 10) { - dev->valid = false; - schedule_work(&dev->work); - /* Don't resubmit urb here, wait for reinit */ - return; - } - } else - dev->idlecount = 0; - } + + /* + * Button must not be pressed when entering suspend, + * otherwise we will never release the button. + */ + if (!x && !y && !key) { + dev->idlecount++; + if (dev->idlecount == 10) { + dev->valid = false; + schedule_work(&dev->work); + /* Don't resubmit urb here, wait for reinit */ + return; + } + } else + dev->idlecount = 0; exit: retval = usb_submit_urb(dev->urb, GFP_ATOMIC); @@ -632,9 +750,19 @@ static int atp_probe(struct usb_interface *iface, if (!dev->data) goto err_free_urb; - usb_fill_int_urb(dev->urb, udev, - usb_rcvintpipe(udev, int_in_endpointAddr), - dev->data, dev->datalen, atp_complete, dev, 1); + /* Select the USB complete (callback) function */ + if (dev->type == ATP_FOUNTAIN || + dev->type == ATP_GEYSER1 || + dev->type == ATP_GEYSER2) + usb_fill_int_urb(dev->urb, udev, + usb_rcvintpipe(udev, int_in_endpointAddr), + dev->data, dev->datalen, + atp_complete_geyser_1_2, dev, 1); + else + usb_fill_int_urb(dev->urb, udev, + usb_rcvintpipe(udev, int_in_endpointAddr), + dev->data, dev->datalen, + atp_complete_geyser_3_4, dev, 1); error = atp_handle_geyser(dev); if (error) -- GitLab From 82a196f481661170b4982dc7e68a12e9253309d0 Mon Sep 17 00:00:00 2001 From: Sven Anders Date: Fri, 8 Aug 2008 16:31:33 -0400 Subject: [PATCH 0285/6244] Input: appletouch - handle geyser 3/4 status bits Implement support for status bits on Geyser 3/4. Signed-off-by: Sven Anders Signed-off-by: Johannes Berg Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/appletouch.c | 53 +++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 18 deletions(-) diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 36ebe5c25ee3..079816e6b23b 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -136,12 +136,28 @@ MODULE_DEVICE_TABLE(usb, atp_table); #define ATP_GEYSER_MODE_REQUEST_INDEX 0 #define ATP_GEYSER_MODE_VENDOR_VALUE 0x04 +/** + * enum atp_status_bits - status bit meanings + * + * These constants represent the meaning of the status bits. + * (only Geyser 3/4) + * + * @ATP_STATUS_BUTTON: The button was pressed + * @ATP_STATUS_BASE_UPDATE: Update of the base values (untouched pad) + * @ATP_STATUS_FROM_RESET: Reset previously performed + */ +enum atp_status_bits { + ATP_STATUS_BUTTON = BIT(0), + ATP_STATUS_BASE_UPDATE = BIT(2), + ATP_STATUS_FROM_RESET = BIT(4), +}; + /* Structure to hold all of our device specific stuff */ struct atp { char phys[64]; struct usb_device *udev; /* usb device */ struct urb *urb; /* usb request block */ - signed char *data; /* transferred data */ + u8 *data; /* transferred data */ struct input_dev *input; /* input dev */ enum atp_touchpad_type type; /* type of touchpad */ bool open; @@ -251,8 +267,6 @@ static void atp_reinit(struct work_struct *work) int retval; dprintk("appletouch: putting appletouch to sleep (reinit)\n"); - dev->idlecount = 0; - atp_geyser_init(udev); retval = usb_submit_urb(dev->urb, GFP_ATOMIC); @@ -488,7 +502,7 @@ static void atp_complete_geyser_1_2(struct urb *urb) ATP_XFACT, &x_z, &x_f); y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS, ATP_YFACT, &y_z, &y_f); - key = dev->data[dev->datalen - 1] & 1; + key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON; if (x && y) { if (dev->x_old != -1) { @@ -568,34 +582,38 @@ static void atp_complete_geyser_3_4(struct urb *urb) dbg_dump("sample", dev->xy_cur); - if (!dev->valid) { - /* first sample */ - dev->valid = true; - dev->x_old = dev->y_old = -1; - memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); + /* Just update the base values (i.e. touchpad in untouched state) */ + if (dev->data[dev->datalen - 1] & ATP_STATUS_BASE_UPDATE) { + dprintk(KERN_DEBUG "appletouch: updated base values\n"); + + memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); goto exit; } for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) { - /* accumulate the change */ - signed char change = dev->xy_old[i] - dev->xy_cur[i]; - dev->xy_acc[i] -= change; + /* calculate the change */ + dev->xy_acc[i] = dev->xy_cur[i] - dev->xy_old[i]; + + /* this is a round-robin value, so couple with that */ + if (dev->xy_acc[i] > 127) + dev->xy_acc[i] -= 256; + + if (dev->xy_acc[i] < -127) + dev->xy_acc[i] += 256; /* prevent down drifting */ if (dev->xy_acc[i] < 0) dev->xy_acc[i] = 0; } - memcpy(dev->xy_old, dev->xy_cur, sizeof(dev->xy_old)); - dbg_dump("accumulator", dev->xy_acc); x = atp_calculate_abs(dev->xy_acc, ATP_XSENSORS, ATP_XFACT, &x_z, &x_f); y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS, ATP_YFACT, &y_z, &y_f); - key = dev->data[dev->datalen - 1] & 1; + key = dev->data[dev->datalen - 1] & ATP_STATUS_BUTTON; if (x && y) { if (dev->x_old != -1) { @@ -647,7 +665,8 @@ static void atp_complete_geyser_3_4(struct urb *urb) if (!x && !y && !key) { dev->idlecount++; if (dev->idlecount == 10) { - dev->valid = false; + dev->x_old = dev->y_old = -1; + dev->idlecount = 0; schedule_work(&dev->work); /* Don't resubmit urb here, wait for reinit */ return; @@ -879,8 +898,6 @@ static int atp_suspend(struct usb_interface *iface, pm_message_t message) struct atp *dev = usb_get_intfdata(iface); usb_kill_urb(dev->urb); - dev->valid = false; - return 0; } -- GitLab From 90936cfe6c8f7e90a6f8b0c5cb44d3a012dfd313 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Mon, 11 Aug 2008 00:07:44 +0200 Subject: [PATCH 0286/6244] x86, tsc: fix section mismatch warning WARNING: vmlinux.o(.text+0x7950): Section mismatch in reference from the function native_calibrate_tsc() to the function .init.text:tsc_read_refs() The function native_calibrate_tsc() references the function __init tsc_read_refs(). This is often because native_calibrate_tsc lacks a __init annotation or the annotation of tsc_read_refs is wrong. tsc_read_refs is called from native_calibrate_tsc which is not __init and native_calibrate_tsc cannot be marked __init Signed-off-by: Marcin Slusarz Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Signed-off-by: H. Peter Anvin --- arch/x86/kernel/tsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 7603c0553909..46af71676738 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -104,7 +104,7 @@ __setup("notsc", notsc_setup); /* * Read TSC and the reference counters. Take care of SMI disturbance */ -static u64 __init tsc_read_refs(u64 *pm, u64 *hpet) +static u64 tsc_read_refs(u64 *pm, u64 *hpet) { u64 t1, t2; int i; -- GitLab From 85a14437ed24244c78f9a70d58b8299753b03c92 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Mon, 11 Aug 2008 00:12:37 +0200 Subject: [PATCH 0287/6244] x86: fix MP_processor_info section mismatch warning WARNING: arch/x86/kernel/built-in.o(.cpuinit.text+0x1fe7): Section mismatch in reference from the function MP_processor_info() to the variable .init.data:x86_quirks The function __cpuinit MP_processor_info() references a variable __initdata x86_quirks. If x86_quirks is only used by MP_processor_info then annotate x86_quirks with a matching annotation. MP_processor_info uses x86_quirks which is __init and is used only from smp_read_mpc and construct_default_ISA_mptable which are __init Signed-off-by: Marcin Slusarz Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Signed-off-by: H. Peter Anvin --- arch/x86/kernel/mpparse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 6ae005ccaed8..78509ee8cc74 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -49,7 +49,7 @@ static int __init mpf_checksum(unsigned char *mp, int len) return sum & 0xFF; } -static void __cpuinit MP_processor_info(struct mpc_config_processor *m) +static void __init MP_processor_info(struct mpc_config_processor *m) { int apicid; char *bootup_cpu = ""; -- GitLab From bafc1dae8215c862c2e6ae913ddadc20581e59b9 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Mon, 11 Aug 2008 00:11:13 +0200 Subject: [PATCH 0288/6244] x86: mmconf: fix section mismatch warning WARNING: arch/x86/kernel/built-in.o(.cpuinit.text+0x1591): Section mismatch in reference from the function init_amd() to the function .init.text:check_enable_amd_mmconf_dmi() The function __cpuinit init_amd() references a function __init check_enable_amd_mmconf_dmi(). If check_enable_amd_mmconf_dmi is only used by init_amd then annotate check_enable_amd_mmconf_dmi with a matching annotation. check_enable_amd_mmconf_dmi is only called from init_amd which is __cpuinit Signed-off-by: Marcin Slusarz Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Signed-off-by: H. Peter Anvin --- arch/x86/kernel/mmconf-fam10h_64.c | 2 +- include/asm-x86/mmconfig.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c index fdfdc550b366..efc2f361fe85 100644 --- a/arch/x86/kernel/mmconf-fam10h_64.c +++ b/arch/x86/kernel/mmconf-fam10h_64.c @@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata mmconf_dmi_table[] = { {} }; -void __init check_enable_amd_mmconf_dmi(void) +void __cpuinit check_enable_amd_mmconf_dmi(void) { dmi_check_system(mmconf_dmi_table); } diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h index 95beda07c6fa..e293ab81e850 100644 --- a/include/asm-x86/mmconfig.h +++ b/include/asm-x86/mmconfig.h @@ -3,7 +3,7 @@ #ifdef CONFIG_PCI_MMCONFIG extern void __cpuinit fam10h_check_enable_mmcfg(void); -extern void __init check_enable_amd_mmconf_dmi(void); +extern void __cpuinit check_enable_amd_mmconf_dmi(void); #else static inline void fam10h_check_enable_mmcfg(void) { } static inline void check_enable_amd_mmconf_dmi(void) { } -- GitLab From d406d21d90dce2e66c7eb4a44605aac947fe55fb Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Mon, 11 Aug 2008 00:09:38 +0200 Subject: [PATCH 0289/6244] x86: mpparse.c: fix section mismatch warning WARNING: vmlinux.o(.text+0x118f7): Section mismatch in reference from the function construct_ioapic_table() to the function .init.text:MP_bus_info() The function construct_ioapic_table() references the function __init MP_bus_info(). This is often because construct_ioapic_table lacks a __init annotation or the annotation of MP_bus_info is wrong. construct_ioapic_table is called only from construct_default_ISA_mptable which is __init Signed-off-by: Marcin Slusarz Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Signed-off-by: H. Peter Anvin --- arch/x86/kernel/mpparse.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 78509ee8cc74..2c1963b39621 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -484,7 +484,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type) } -static void construct_ioapic_table(int mpc_default_type) +static void __init construct_ioapic_table(int mpc_default_type) { struct mpc_config_ioapic ioapic; struct mpc_config_bus bus; @@ -529,7 +529,7 @@ static void construct_ioapic_table(int mpc_default_type) construct_default_ioirq_mptable(mpc_default_type); } #else -static inline void construct_ioapic_table(int mpc_default_type) { } +static inline void __init construct_ioapic_table(int mpc_default_type) { } #endif static inline void __init construct_default_ISA_mptable(int mpc_default_type) -- GitLab From 4c942654a4514d7d0a9b592a7d1b198a212e8a03 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 10 Aug 2008 20:57:45 +0800 Subject: [PATCH 0290/6244] arch/x86/kernel/acpi/boot.c: removed duplicated #include Removed duplicated include file in arch/x86/kernel/acpi/boot.c. Signed-off-by: Huang Weiyi Signed-off-by: Ingo Molnar --- arch/x86/kernel/acpi/boot.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index fa88a1d71290..d8d118935b08 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -58,7 +58,6 @@ EXPORT_SYMBOL(acpi_disabled); #ifdef CONFIG_X86_64 #include -#include #else /* X86 */ -- GitLab From 8aeb4022633f7d0eca5e13a9622bd73df92bbf2a Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 10 Aug 2008 21:09:22 +0800 Subject: [PATCH 0291/6244] arch/x86/kernel/cpuid.c: removed duplicated #include Removed duplicated include file in arch/x86/kernel/cpuid.c. Signed-off-by: Huang Weiyi Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpuid.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 14b11b3be31c..3fa4e926b510 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -36,7 +36,6 @@ #include #include #include -#include #include #include #include -- GitLab From 67182ae1c42206e516f7efb292b745e826497b24 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Sun, 10 Aug 2008 18:35:38 -0700 Subject: [PATCH 0292/6244] rcu, debug: detect stalled grace periods this is a diagnostic patch for Classic RCU. The approach is to record a timestamp at the beginning of the grace period (in rcu_start_batch()), then have rcu_check_callbacks() complain if: 1. it is running on a CPU that has holding up grace periods for a long time (say one second). This will identify the culprit assuming that the culprit has not disabled hardware irqs, instruction execution, or some such. 2. it is running on a CPU that is not holding up grace periods, but grace periods have been held up for an even longer time (say two seconds). It is enabled via the default-off CONFIG_DEBUG_RCU_STALL kernel parameter. Rather than exponential backoff, it backs off to once per 30 seconds. My feeling upon thinking on it was that if you have stalled RCU grace periods for that long, a few extra printk() messages are probably the least of your worries... Signed-off-by: Paul E. McKenney Cc: Peter Zijlstra Cc: Yinghai Lu Cc: David Witbrodt Signed-off-by: Ingo Molnar --- include/linux/rcuclassic.h | 3 ++ kernel/rcuclassic.c | 80 ++++++++++++++++++++++++++++++++++++++ lib/Kconfig.debug | 13 +++++++ 3 files changed, 96 insertions(+) diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h index 04c728147be0..16589958b40e 100644 --- a/include/linux/rcuclassic.h +++ b/include/linux/rcuclassic.h @@ -46,6 +46,9 @@ struct rcu_ctrlblk { long cur; /* Current batch number. */ long completed; /* Number of the last completed batch */ long pending; /* Number of the last pending batch */ +#ifdef CONFIG_DEBUG_RCU_STALL + unsigned long gp_check; /* Time grace period should end, in seconds. */ +#endif /* #ifdef CONFIG_DEBUG_RCU_STALL */ int signaled; diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index d4271146a9bd..d7ec731de75c 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -47,6 +47,7 @@ #include #include #include +#include #ifdef CONFIG_DEBUG_LOCK_ALLOC static struct lock_class_key rcu_lock_key; @@ -286,6 +287,81 @@ static void rcu_do_batch(struct rcu_data *rdp) * rcu_check_quiescent_state calls rcu_start_batch(0) to start the next grace * period (if necessary). */ + +#ifdef CONFIG_DEBUG_RCU_STALL + +static inline void record_gp_check_time(struct rcu_ctrlblk *rcp) +{ + rcp->gp_check = get_seconds() + 3; +} +static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) +{ + int cpu; + long delta; + + /* Only let one CPU complain about others per time interval. */ + + spin_lock(&rcp->lock); + delta = get_seconds() - rcp->gp_check; + if (delta < 2L || + cpus_empty(rcp->cpumask)) { + spin_unlock(&rcp->lock); + return; + rcp->gp_check = get_seconds() + 30; + } + spin_unlock(&rcp->lock); + + /* OK, time to rat on our buddy... */ + + printk(KERN_ERR "RCU detected CPU stalls:"); + for_each_cpu_mask(cpu, rcp->cpumask) + printk(" %d", cpu); + printk(" (detected by %d, t=%lu/%lu)\n", + smp_processor_id(), get_seconds(), rcp->gp_check); +} +static void print_cpu_stall(struct rcu_ctrlblk *rcp) +{ + printk(KERN_ERR "RCU detected CPU %d stall (t=%lu/%lu)\n", + smp_processor_id(), get_seconds(), rcp->gp_check); + dump_stack(); + spin_lock(&rcp->lock); + if ((long)(get_seconds() - rcp->gp_check) >= 0L) + rcp->gp_check = get_seconds() + 30; + spin_unlock(&rcp->lock); +} +static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, + struct rcu_data *rdp) +{ + long delta; + + delta = get_seconds() - rcp->gp_check; + if (cpu_isset(smp_processor_id(), rcp->cpumask) && delta >= 0L) { + + /* We haven't checked in, so go dump stack. */ + + print_cpu_stall(rcp); + + } else if (!cpus_empty(rcp->cpumask) && delta >= 2L) { + + /* They had two seconds to dump stack, so complain. */ + + print_other_cpu_stall(rcp); + + } +} + +#else /* #ifdef CONFIG_DEBUG_RCU_STALL */ + +static inline void record_gp_check_time(struct rcu_ctrlblk *rcp) +{ +} +static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, + struct rcu_data *rdp) +{ +} + +#endif /* #else #ifdef CONFIG_DEBUG_RCU_STALL */ + /* * Register a new batch of callbacks, and start it up if there is currently no * active batch and the batch to be registered has not already occurred. @@ -296,6 +372,7 @@ static void rcu_start_batch(struct rcu_ctrlblk *rcp) if (rcp->cur != rcp->pending && rcp->completed == rcp->cur) { rcp->cur++; + record_gp_check_time(rcp); /* * Accessing nohz_cpu_mask before incrementing rcp->cur needs a @@ -489,6 +566,9 @@ static void rcu_process_callbacks(struct softirq_action *unused) static int __rcu_pending(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { + /* Check for CPU stalls, if enabled. */ + check_cpu_stall(rcp, rdp); + if (rdp->nxtlist) { /* * This cpu has pending rcu entries and the grace period diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e1d4764435ed..2fb6d90bf1e6 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -597,6 +597,19 @@ config RCU_TORTURE_TEST_RUNNABLE Say N here if you want the RCU torture tests to start only after being manually enabled via /proc. +config RCU_CPU_STALL + bool "Check for stalled CPUs delaying RCU grace periods" + depends on CLASSIC_RCU + default n + help + This option causes RCU to printk information on which + CPUs are delaying the current grace period, but only when + the grace period extends for excessive time periods. + + Say Y if you want RCU to perform such checks. + + Say N if you are unsure. + config KPROBES_SANITY_TEST bool "Kprobes sanity tests" depends on DEBUG_KERNEL -- GitLab From 78635fc739b1254f3e0362ac430edbdd2cff01dc Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 11 Aug 2008 13:34:15 +0200 Subject: [PATCH 0293/6244] rcu, debug: detect stalled grace periods, cleanups small cleanups. Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index d7ec731de75c..56b8712fe5aa 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -294,6 +294,7 @@ static inline void record_gp_check_time(struct rcu_ctrlblk *rcp) { rcp->gp_check = get_seconds() + 3; } + static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) { int cpu; @@ -303,11 +304,9 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) spin_lock(&rcp->lock); delta = get_seconds() - rcp->gp_check; - if (delta < 2L || - cpus_empty(rcp->cpumask)) { + if (delta < 2L || cpus_empty(rcp->cpumask)) { spin_unlock(&rcp->lock); return; - rcp->gp_check = get_seconds() + 30; } spin_unlock(&rcp->lock); @@ -319,6 +318,7 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) printk(" (detected by %d, t=%lu/%lu)\n", smp_processor_id(), get_seconds(), rcp->gp_check); } + static void print_cpu_stall(struct rcu_ctrlblk *rcp) { printk(KERN_ERR "RCU detected CPU %d stall (t=%lu/%lu)\n", @@ -329,8 +329,8 @@ static void print_cpu_stall(struct rcu_ctrlblk *rcp) rcp->gp_check = get_seconds() + 30; spin_unlock(&rcp->lock); } -static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, - struct rcu_data *rdp) + +static void check_cpu_stall(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { long delta; @@ -341,12 +341,11 @@ static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, print_cpu_stall(rcp); - } else if (!cpus_empty(rcp->cpumask) && delta >= 2L) { - - /* They had two seconds to dump stack, so complain. */ - - print_other_cpu_stall(rcp); - + } else { + if (!cpus_empty(rcp->cpumask) && delta >= 2L) { + /* They had two seconds to dump stack, so complain. */ + print_other_cpu_stall(rcp); + } } } @@ -355,8 +354,9 @@ static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, static inline void record_gp_check_time(struct rcu_ctrlblk *rcp) { } -static inline void check_cpu_stall(struct rcu_ctrlblk *rcp, - struct rcu_data *rdp) + +static inline void +check_cpu_stall(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { } -- GitLab From b845b517b5e3706a3729f6ea83b88ab85f0725b0 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 8 Aug 2008 21:47:09 +0200 Subject: [PATCH 0294/6244] printk: robustify printk Avoid deadlocks against rq->lock and xtime_lock by deferring the klogd wakeup by polling from the timer tick. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- include/linux/kernel.h | 4 ++++ kernel/printk.c | 19 +++++++++++++++++-- kernel/time/tick-sched.c | 2 +- kernel/timer.c | 1 + 4 files changed, 23 insertions(+), 3 deletions(-) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index aaa998f65c7a..113ac8d0425f 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -200,6 +200,8 @@ extern struct ratelimit_state printk_ratelimit_state; extern int printk_ratelimit(void); extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, unsigned int interval_msec); +extern void printk_tick(void); +extern int printk_needs_cpu(int); #else static inline int vprintk(const char *s, va_list args) __attribute__ ((format (printf, 1, 0))); @@ -211,6 +213,8 @@ static inline int printk_ratelimit(void) { return 0; } static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ unsigned int interval_msec) \ { return false; } +static inline void printk_tick(void) { } +static inline int printk_needs_cpu(int) { return 0; } #endif extern void asmlinkage __attribute__((format(printf, 1, 2))) diff --git a/kernel/printk.c b/kernel/printk.c index b51b1567bb55..655cc2ca10cc 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -982,10 +982,25 @@ int is_console_locked(void) return console_locked; } -void wake_up_klogd(void) +static DEFINE_PER_CPU(int, printk_pending); + +void printk_tick(void) { - if (!oops_in_progress && waitqueue_active(&log_wait)) + if (__get_cpu_var(printk_pending)) { + __get_cpu_var(printk_pending) = 0; wake_up_interruptible(&log_wait); + } +} + +int printk_needs_cpu(int cpu) +{ + return per_cpu(printk_pending, cpu); +} + +void wake_up_klogd(void) +{ + if (waitqueue_active(&log_wait)) + __get_cpu_var(printk_pending) = 1; } /** diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 825b4c00fe44..c13d4f182370 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -255,7 +255,7 @@ void tick_nohz_stop_sched_tick(int inidle) next_jiffies = get_next_timer_interrupt(last_jiffies); delta_jiffies = next_jiffies - last_jiffies; - if (rcu_needs_cpu(cpu)) + if (rcu_needs_cpu(cpu) || printk_needs_cpu(cpu)) delta_jiffies = 1; /* * Do not stop the tick, if we are only one off diff --git a/kernel/timer.c b/kernel/timer.c index 03bc7f1f1593..510fe69351ca 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -978,6 +978,7 @@ void update_process_times(int user_tick) run_local_timers(); if (rcu_pending(cpu)) rcu_check_callbacks(cpu, user_tick); + printk_tick(); scheduler_tick(); run_posix_cpu_timers(p); } -- GitLab From ced9cd40ac14111befd6b0c73ec90106c22a3fd7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 11 Aug 2008 14:38:12 +0200 Subject: [PATCH 0295/6244] printk: robustify printk, fix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: include/linux/kernel.h: In function ‘printk_needs_cpu': include/linux/kernel.h:217: error: parameter name omitted Signed-off-by: Ingo Molnar --- include/linux/kernel.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 113ac8d0425f..3652a4564126 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -200,8 +200,6 @@ extern struct ratelimit_state printk_ratelimit_state; extern int printk_ratelimit(void); extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, unsigned int interval_msec); -extern void printk_tick(void); -extern int printk_needs_cpu(int); #else static inline int vprintk(const char *s, va_list args) __attribute__ ((format (printf, 1, 0))); @@ -213,10 +211,11 @@ static inline int printk_ratelimit(void) { return 0; } static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ unsigned int interval_msec) \ { return false; } -static inline void printk_tick(void) { } -static inline int printk_needs_cpu(int) { return 0; } #endif +extern int printk_needs_cpu(int cpu); +extern void printk_tick(void); + extern void asmlinkage __attribute__((format(printf, 1, 2))) early_printk(const char *fmt, ...); -- GitLab From 2ae111cdd8d83ebf9de72e36e68a8c84b6ebbeea Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 11 Aug 2008 18:34:08 +0400 Subject: [PATCH 0296/6244] x86: apic interrupts - move assignments to irqinit_32.c, v2 64bit mode APIC interrupt handlers are set within irqinit_64.c. Lets do tha same for 32bit mode which would help in furter code merging. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 48 ---------------------------------- arch/x86/kernel/irqinit_32.c | 49 +++++++++++++++++++++++++++++++++++ arch/x86/mach-default/setup.c | 15 ----------- include/asm-x86/arch_hooks.h | 2 -- 4 files changed, 49 insertions(+), 65 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index f93c18f5b79d..9e341c9d9414 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1354,54 +1354,6 @@ void smp_error_interrupt(struct pt_regs *regs) irq_exit(); } -#ifdef CONFIG_SMP -void __init smp_intr_init(void) -{ - /* - * IRQ0 must be given a fixed assignment and initialized, - * because it's used before the IO-APIC is set up. - */ - set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]); - - /* - * The reschedule interrupt is a CPU-to-CPU reschedule-helper - * IPI, driven by wakeup. - */ - alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); - - /* IPI for invalidation */ - alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt); - - /* IPI for generic function call */ - alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); - - /* IPI for single call function */ - set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, - call_function_single_interrupt); -} -#endif - -/* - * Initialize APIC interrupts - */ -void __init apic_intr_init(void) -{ -#ifdef CONFIG_SMP - smp_intr_init(); -#endif - /* self generated IPI for local APIC timer */ - alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt); - - /* IPI vectors for APIC spurious and error interrupts */ - alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); - alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt); - - /* thermal monitor LVT interrupt */ -#ifdef CONFIG_X86_MCE_P4THERMAL - alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); -#endif -} - /** * connect_bsp_APIC - attach the APIC to the interrupt system */ diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index d66914287ee1..9200a1e2752d 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -74,6 +74,15 @@ void __init init_ISA_irqs (void) } } +/* + * IRQ2 is cascade interrupt to second interrupt controller + */ +static struct irqaction irq2 = { + .handler = no_action, + .mask = CPU_MASK_NONE, + .name = "cascade", +}; + /* Overridden in paravirt.c */ void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ"))); @@ -98,6 +107,46 @@ void __init native_init_IRQ(void) set_intr_gate(vector, interrupt[i]); } +#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP) + /* + * IRQ0 must be given a fixed assignment and initialized, + * because it's used before the IO-APIC is set up. + */ + set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]); + + /* + * The reschedule interrupt is a CPU-to-CPU reschedule-helper + * IPI, driven by wakeup. + */ + alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); + + /* IPI for invalidation */ + alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt); + + /* IPI for generic function call */ + alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); + + /* IPI for single call function */ + set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt); +#endif + +#ifdef CONFIG_X86_LOCAL_APIC + /* self generated IPI for local APIC timer */ + alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt); + + /* IPI vectors for APIC spurious and error interrupts */ + alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); + alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt); +#endif + +#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_MCE_P4THERMAL) + /* thermal monitor LVT interrupt */ + alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); +#endif + + if (!acpi_ioapic) + setup_irq(2, &irq2); + /* setup after call gates are initialised (usually add in * the architecture specific gates) */ diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c index 3d317836be9e..b00f5ad10ca1 100644 --- a/arch/x86/mach-default/setup.c +++ b/arch/x86/mach-default/setup.c @@ -36,15 +36,6 @@ void __init pre_intr_init_hook(void) init_ISA_irqs(); } -/* - * IRQ2 is cascade interrupt to second interrupt controller - */ -static struct irqaction irq2 = { - .handler = no_action, - .mask = CPU_MASK_NONE, - .name = "cascade", -}; - /** * intr_init_hook - post gate setup interrupt initialisation * @@ -60,12 +51,6 @@ void __init intr_init_hook(void) if (x86_quirks->arch_intr_init()) return; } -#ifdef CONFIG_X86_LOCAL_APIC - apic_intr_init(); -#endif - - if (!acpi_ioapic) - setup_irq(2, &irq2); } /** diff --git a/include/asm-x86/arch_hooks.h b/include/asm-x86/arch_hooks.h index 72adc3a109cc..de4596b24c23 100644 --- a/include/asm-x86/arch_hooks.h +++ b/include/asm-x86/arch_hooks.h @@ -12,8 +12,6 @@ /* these aren't arch hooks, they are generic routines * that can be used by the hooks */ extern void init_ISA_irqs(void); -extern void apic_intr_init(void); -extern void smp_intr_init(void); extern irqreturn_t timer_interrupt(int irq, void *dev_id); /* these are the defined hooks */ -- GitLab From 7c13e6a3d15a4ebcc3f40df5f4d19665479f8ca3 Mon Sep 17 00:00:00 2001 From: Dimitri Sivanich Date: Mon, 11 Aug 2008 10:46:46 -0500 Subject: [PATCH 0297/6244] x86: remove EXPERIMENTAL restriction from CONFIG_HOTPLUG_CPU This removes the EXPERIMENTAL restriction from CONFIG_HOTPLUG_CPU on the x86 architecture. Signed-off-by: Dimitri Sivanich Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3d0f2b6a5a16..7917962ab7ff 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1371,14 +1371,14 @@ config PHYSICAL_ALIGN Don't change this unless you know what you are doing. config HOTPLUG_CPU - bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER + bool "Support for hot-pluggable CPUs" + depends on SMP && HOTPLUG && !X86_VOYAGER ---help--- - Say Y here to experiment with turning CPUs off and on, and to - enable suspend on SMP systems. CPUs can be controlled through - /sys/devices/system/cpu. - Say N if you want to disable CPU hotplug and don't need to - suspend. + Say Y here to allow turning CPUs off and on. CPUs can be + controlled through /sys/devices/system/cpu. + ( Note: power management support will enable this option + automatically on SMP systems. ) + Say N if you want to disable CPU hotplug. config COMPAT_VDSO def_bool y -- GitLab From d483492cb5401283b3c6e46b829fec0b42297e68 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 10 Aug 2008 18:46:50 +0800 Subject: [PATCH 0298/6244] [MTD] [NAND] drivers/mtd/nand/nandsim.c: remove duplicated #include Removed duplicated include in drivers/mtd/nand/nandsim.c. Signed-off-by: Huang Weiyi Signed-off-by: David Woodhouse --- drivers/mtd/nand/nandsim.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 556e8131ecdc..ae7c57781a68 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -38,7 +38,6 @@ #include #include #include -#include /* Default simulator parameters values */ #if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE) || \ -- GitLab From faff37508a104e9ec5285d5adecaab7e8dde472a Mon Sep 17 00:00:00 2001 From: Chen Gong Date: Mon, 11 Aug 2008 16:59:13 +0800 Subject: [PATCH 0299/6244] [MTD] m25p80.c erase enhance This patch adds an erase_block command to enhance erase operation Signed-off-by: Chen Gong Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 48 ++++++++++++++++++++++++++++++------ 1 file changed, 40 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index b35c3333e210..8fbd1b57f606 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -39,6 +39,7 @@ #define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */ #define OPCODE_BE_4K 0x20 /* Erase 4KiB block */ #define OPCODE_BE_32K 0x52 /* Erase 32KiB block */ +#define OPCODE_BE 0xc7 /* Erase whole flash block */ #define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */ #define OPCODE_RDID 0x9f /* Read JEDEC ID */ @@ -161,6 +162,31 @@ static int wait_till_ready(struct m25p *flash) return 1; } +/* + * Erase the whole flash memory + * + * Returns 0 if successful, non-zero otherwise. + */ +static int erase_block(struct m25p *flash) +{ + DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB\n", + flash->spi->dev.bus_id, __func__, + flash->mtd.size / 1024); + + /* Wait until finished previous write command. */ + if (wait_till_ready(flash)) + return 1; + + /* Send write enable, then erase commands. */ + write_enable(flash); + + /* Set up command buffer. */ + flash->command[0] = OPCODE_BE; + + spi_write(flash->spi, flash->command, 1); + + return 0; +} /* * Erase one sector of flash memory at offset ``offset'' which is any @@ -229,15 +255,21 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr) */ /* now erase those sectors */ - while (len) { - if (erase_sector(flash, addr)) { - instr->state = MTD_ERASE_FAILED; - mutex_unlock(&flash->lock); - return -EIO; - } + if (len == flash->mtd.size && erase_block(flash)) { + instr->state = MTD_ERASE_FAILED; + mutex_unlock(&flash->lock); + return -EIO; + } else { + while (len) { + if (erase_sector(flash, addr)) { + instr->state = MTD_ERASE_FAILED; + mutex_unlock(&flash->lock); + return -EIO; + } - addr += mtd->erasesize; - len -= mtd->erasesize; + addr += mtd->erasesize; + len -= mtd->erasesize; + } } mutex_unlock(&flash->lock); -- GitLab From 75d0ee2202b5740e94e913d8a52f91c6557c4c81 Mon Sep 17 00:00:00 2001 From: Chen Gong Date: Mon, 11 Aug 2008 16:59:14 +0800 Subject: [PATCH 0300/6244] [MTD] m25p80.c code cleanup code cleanup for m25p80.c Signed-off-by: Chen Gong Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 8fbd1b57f606..b2b58c1bb321 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash) { u8 code = OPCODE_WREN; - return spi_write_then_read(flash->spi, &code, 1, NULL, 0); + return spi_write(flash->spi, &code, 1); } -- GitLab From d0e8c47c58575b9131e786edb488fd029eba443e Mon Sep 17 00:00:00 2001 From: Chen Gong Date: Mon, 11 Aug 2008 16:59:15 +0800 Subject: [PATCH 0301/6244] [MTD] m25p80.c extended jedec support - add extended device information support - add s25sl128 device support Signed-off-by: Chen Gong Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 86 ++++++++++++++++++++---------------- 1 file changed, 47 insertions(+), 39 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index b2b58c1bb321..4d3ae085b1d2 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -469,6 +469,7 @@ struct flash_info { * then a two byte device id. */ u32 jedec_id; + u16 ext_id; /* The size listed here is what works with OPCODE_SE, which isn't * necessarily called a "sector" by the vendor. @@ -488,57 +489,59 @@ struct flash_info { static struct flash_info __devinitdata m25p_data [] = { /* Atmel -- some are (confusingly) marketed as "DataFlash" */ - { "at25fs010", 0x1f6601, 32 * 1024, 4, SECT_4K, }, - { "at25fs040", 0x1f6604, 64 * 1024, 8, SECT_4K, }, + { "at25fs010", 0x1f6601, 0, 32 * 1024, 4, SECT_4K, }, + { "at25fs040", 0x1f6604, 0, 64 * 1024, 8, SECT_4K, }, - { "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, }, - { "at25df641", 0x1f4800, 64 * 1024, 128, SECT_4K, }, + { "at25df041a", 0x1f4401, 0, 64 * 1024, 8, SECT_4K, }, + { "at25df641", 0x1f4800, 0, 64 * 1024, 128, SECT_4K, }, - { "at26f004", 0x1f0400, 64 * 1024, 8, SECT_4K, }, - { "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, }, - { "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, }, - { "at26df321", 0x1f4701, 64 * 1024, 64, SECT_4K, }, + { "at26f004", 0x1f0400, 0, 64 * 1024, 8, SECT_4K, }, + { "at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K, }, + { "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, }, + { "at26df321", 0x1f4701, 0, 64 * 1024, 64, SECT_4K, }, /* Spansion -- single (large) sector size only, at least * for the chips listed here (without boot sectors). */ - { "s25sl004a", 0x010212, 64 * 1024, 8, }, - { "s25sl008a", 0x010213, 64 * 1024, 16, }, - { "s25sl016a", 0x010214, 64 * 1024, 32, }, - { "s25sl032a", 0x010215, 64 * 1024, 64, }, - { "s25sl064a", 0x010216, 64 * 1024, 128, }, + { "s25sl004a", 0x010212, 0, 64 * 1024, 8, }, + { "s25sl008a", 0x010213, 0, 64 * 1024, 16, }, + { "s25sl016a", 0x010214, 0, 64 * 1024, 32, }, + { "s25sl032a", 0x010215, 0, 64 * 1024, 64, }, + { "s25sl064a", 0x010216, 0, 64 * 1024, 128, }, + { "s25sl12800", 0x012018, 0x0300, 256 * 1024, 64, }, + { "s25sl12801", 0x012018, 0x0301, 64 * 1024, 256, }, /* SST -- large erase sizes are "overlays", "sectors" are 4K */ - { "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, }, - { "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, }, - { "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, }, - { "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, }, + { "sst25vf040b", 0xbf258d, 0, 64 * 1024, 8, SECT_4K, }, + { "sst25vf080b", 0xbf258e, 0, 64 * 1024, 16, SECT_4K, }, + { "sst25vf016b", 0xbf2541, 0, 64 * 1024, 32, SECT_4K, }, + { "sst25vf032b", 0xbf254a, 0, 64 * 1024, 64, SECT_4K, }, /* ST Microelectronics -- newer production may have feature updates */ - { "m25p05", 0x202010, 32 * 1024, 2, }, - { "m25p10", 0x202011, 32 * 1024, 4, }, - { "m25p20", 0x202012, 64 * 1024, 4, }, - { "m25p40", 0x202013, 64 * 1024, 8, }, - { "m25p80", 0, 64 * 1024, 16, }, - { "m25p16", 0x202015, 64 * 1024, 32, }, - { "m25p32", 0x202016, 64 * 1024, 64, }, - { "m25p64", 0x202017, 64 * 1024, 128, }, - { "m25p128", 0x202018, 256 * 1024, 64, }, - - { "m45pe80", 0x204014, 64 * 1024, 16, }, - { "m45pe16", 0x204015, 64 * 1024, 32, }, - - { "m25pe80", 0x208014, 64 * 1024, 16, }, - { "m25pe16", 0x208015, 64 * 1024, 32, SECT_4K, }, + { "m25p05", 0x202010, 0, 32 * 1024, 2, }, + { "m25p10", 0x202011, 0, 32 * 1024, 4, }, + { "m25p20", 0x202012, 0, 64 * 1024, 4, }, + { "m25p40", 0x202013, 0, 64 * 1024, 8, }, + { "m25p80", 0, 0, 64 * 1024, 16, }, + { "m25p16", 0x202015, 0, 64 * 1024, 32, }, + { "m25p32", 0x202016, 0, 64 * 1024, 64, }, + { "m25p64", 0x202017, 0, 64 * 1024, 128, }, + { "m25p128", 0x202018, 0, 256 * 1024, 64, }, + + { "m45pe80", 0x204014, 0, 64 * 1024, 16, }, + { "m45pe16", 0x204015, 0, 64 * 1024, 32, }, + + { "m25pe80", 0x208014, 0, 64 * 1024, 16, }, + { "m25pe16", 0x208015, 0, 64 * 1024, 32, SECT_4K, }, /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */ - { "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, }, - { "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, }, - { "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, }, - { "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, }, - { "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, }, - { "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, }, - { "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, }, + { "w25x10", 0xef3011, 0, 64 * 1024, 2, SECT_4K, }, + { "w25x20", 0xef3012, 0, 64 * 1024, 4, SECT_4K, }, + { "w25x40", 0xef3013, 0, 64 * 1024, 8, SECT_4K, }, + { "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, }, + { "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, }, + { "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, }, + { "w25x64", 0xef3017, 0, 64 * 1024, 128, SECT_4K, }, }; static struct flash_info *__devinit jedec_probe(struct spi_device *spi) @@ -547,6 +550,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) u8 code = OPCODE_RDID; u8 id[3]; u32 jedec; + u16 ext_jedec; struct flash_info *info; /* JEDEC also defines an optional "extended device information" @@ -565,10 +569,14 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) jedec = jedec << 8; jedec |= id[2]; + ext_jedec = id[3] << 8 | id[4]; + for (tmp = 0, info = m25p_data; tmp < ARRAY_SIZE(m25p_data); tmp++, info++) { if (info->jedec_id == jedec) + if (ext_jedec != 0 && info->ext_id != ext_jedec) + continue; return info; } dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec); -- GitLab From 012f09e7942716d5f4339f1fd9a831a485bb1d4a Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Wed, 6 Aug 2008 16:23:08 +0200 Subject: [PATCH 0302/6244] x86: compile pat debugfs interface only if CONFIG_X86_PAT is set Recently I've run a kernel w/o PAT support and wondered why there was a file "x86/pat_memtype_list" in debugfs. Of course it's empty if PAT is disabled ... so just get rid of this interface if PAT is disabled. Signed-off-by: Andreas Herrmann Signed-off-by: Ingo Molnar --- arch/x86/mm/pat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 2fe30916d4b6..647b1c4de719 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -492,7 +492,7 @@ void unmap_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot) free_memtype(addr, addr + size); } -#if defined(CONFIG_DEBUG_FS) +#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT) /* get Nth element of the linked list */ static struct memtype *memtype_get_idx(loff_t pos) @@ -576,4 +576,4 @@ static int __init pat_memtype_list_init(void) late_initcall(pat_memtype_list_init); -#endif /* CONFIG_DEBUG_FS */ +#endif /* CONFIG_DEBUG_FS && CONFIG_X86_PAT */ -- GitLab From 59f09ba2b62e6f89beeb4c8fc2c83fe14321dda9 Mon Sep 17 00:00:00 2001 From: Philipp Kohlbecher Date: Wed, 6 Aug 2008 15:25:26 +0200 Subject: [PATCH 0303/6244] x86: fix comment in protected mode header Comments in arch/x86/boot/compressed/head_32.S erroneously refer to the real mode pointer as the second and the heap area as the third argument to decompress_kernel(). In fact, these have been the first and second argument, respectively, since v2.6.20. This patch corrects the comments. It introduces no code changes. Signed-off-by: Philipp Kohlbecher Signed-off-by: Ingo Molnar --- arch/x86/boot/compressed/head_32.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index ba7736cf2ec7..29c5fbf08392 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -137,14 +137,15 @@ relocated: */ movl output_len(%ebx), %eax pushl %eax + # push arguments for decompress_kernel: pushl %ebp # output address movl input_len(%ebx), %eax pushl %eax # input_len leal input_data(%ebx), %eax pushl %eax # input_data leal boot_heap(%ebx), %eax - pushl %eax # heap area as third argument - pushl %esi # real mode pointer as second arg + pushl %eax # heap area + pushl %esi # real mode pointer call decompress_kernel addl $20, %esp popl %ecx -- GitLab From 49800efcb17afdf973f33e8aa8807b7f83993cc6 Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Wed, 6 Aug 2008 10:27:30 +0200 Subject: [PATCH 0304/6244] x86: pda_init(): fix memory leak when using CPU hotplug pda->irqstackptr is allocated whenever a CPU is set online. But it is never freed. This results in a memory leak of 16K for each CPU offline/online cycle. Fix is to allocate pda->irqstackptr only once. Signed-off-by: Andreas Herrmann Cc: akpm@linux-foundation.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common_64.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index 6f9b8924bdc0..8396fd7628a9 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -493,17 +493,20 @@ void pda_init(int cpu) /* others are initialized in smpboot.c */ pda->pcurrent = &init_task; pda->irqstackptr = boot_cpu_stack; + pda->irqstackptr += IRQSTACKSIZE - 64; } else { - pda->irqstackptr = (char *) - __get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER); - if (!pda->irqstackptr) - panic("cannot allocate irqstack for cpu %d", cpu); + if (!pda->irqstackptr) { + pda->irqstackptr = (char *) + __get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER); + if (!pda->irqstackptr) + panic("cannot allocate irqstack for cpu %d", + cpu); + pda->irqstackptr += IRQSTACKSIZE - 64; + } if (pda->nodenumber == 0 && cpu_to_node(cpu) != NUMA_NO_NODE) pda->nodenumber = cpu_to_node(cpu); } - - pda->irqstackptr += IRQSTACKSIZE-64; } char boot_exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ + -- GitLab From b55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Wed, 6 Aug 2008 10:29:37 +0200 Subject: [PATCH 0305/6244] x86: cpu_init(): fix memory leak when using CPU hotplug Exception stacks are allocated each time a CPU is set online. But the allocated space is never freed. Thus with one CPU hotplug offline/online cycle there is a memory leak of 24K (6 pages) for a CPU. Fix is to allocate exception stacks only once -- when the CPU is set online for the first time. Signed-off-by: Andreas Herrmann Cc: akpm@linux-foundation.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common_64.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index 8396fd7628a9..cc6efe86249d 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -606,19 +606,22 @@ void __cpuinit cpu_init(void) /* * set up and load the per-CPU TSS */ - for (v = 0; v < N_EXCEPTION_STACKS; v++) { + if (!orig_ist->ist[0]) { static const unsigned int order[N_EXCEPTION_STACKS] = { - [0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER, - [DEBUG_STACK - 1] = DEBUG_STACK_ORDER + [0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER, + [DEBUG_STACK - 1] = DEBUG_STACK_ORDER }; - if (cpu) { - estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]); - if (!estacks) - panic("Cannot allocate exception stack %ld %d\n", - v, cpu); + for (v = 0; v < N_EXCEPTION_STACKS; v++) { + if (cpu) { + estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]); + if (!estacks) + panic("Cannot allocate exception " + "stack %ld %d\n", v, cpu); + } + estacks += PAGE_SIZE << order[v]; + orig_ist->ist[v] = t->x86_tss.ist[v] = + (unsigned long)estacks; } - estacks += PAGE_SIZE << order[v]; - orig_ist->ist[v] = t->x86_tss.ist[v] = (unsigned long)estacks; } t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap); -- GitLab From 99809963c99e1ed868d9ebeb4a5e7ee1cbe0309f Mon Sep 17 00:00:00 2001 From: Jeff Chua Date: Wed, 6 Aug 2008 19:09:53 +0800 Subject: [PATCH 0306/6244] x86: make sparsemem more available With CONFIG_X86_PC, I can set CONFIG_SPARSEMEM=y. With CONFIG_X86_GENERICARCH, CONFIG_SPARSEMEM depends on CONFIG_NUMA. I'm using the patch below to enable sparsemem instead of flatmem. System booted and is running. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7917962ab7ff..e2305c7d881b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1035,7 +1035,7 @@ config HAVE_ARCH_ALLOC_REMAP config ARCH_FLATMEM_ENABLE def_bool y - depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && X86_PC && !NUMA + depends on X86_32 && ARCH_SELECT_MEMORY_MODEL && !NUMA config ARCH_DISCONTIGMEM_ENABLE def_bool y @@ -1051,7 +1051,7 @@ config ARCH_SPARSEMEM_DEFAULT config ARCH_SPARSEMEM_ENABLE def_bool y - depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC) + depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC) || X86_GENERICARCH select SPARSEMEM_STATIC if X86_32 select SPARSEMEM_VMEMMAP_ENABLE if X86_64 -- GitLab From bb0eb217c980d50c45f3e793b4dcc70ab9ee820d Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 12 Aug 2008 12:40:50 +0300 Subject: [PATCH 0307/6244] [MTD] Define and use MTD_FAIL_ADDR_UNKNOWN instead of 0xffffffff Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- drivers/mtd/mtdconcat.c | 4 ++-- drivers/mtd/mtdpart.c | 4 ++-- drivers/mtd/nand/nand_base.c | 2 +- drivers/mtd/onenand/onenand_base.c | 2 +- fs/jffs2/erase.c | 4 ++-- include/linux/mtd/mtd.h | 4 +++- 6 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index 2972a5edb73d..789842d0e6f2 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -444,7 +444,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr) return -EINVAL; } - instr->fail_addr = 0xffffffff; + instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; /* make a local copy of instr to avoid modifying the caller's struct */ erase = kmalloc(sizeof (struct erase_info), GFP_KERNEL); @@ -493,7 +493,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr) /* sanity check: should never happen since * block alignment has been checked above */ BUG_ON(err == -EINVAL); - if (erase->fail_addr != 0xffffffff) + if (erase->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr = erase->fail_addr + offset; break; } diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index edb90b58a9b1..8e77e36e75ee 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -214,7 +214,7 @@ static int part_erase(struct mtd_info *mtd, struct erase_info *instr) instr->addr += part->offset; ret = part->master->erase(part->master, instr); if (ret) { - if (instr->fail_addr != 0xffffffff) + if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr -= part->offset; instr->addr -= part->offset; } @@ -226,7 +226,7 @@ void mtd_erase_callback(struct erase_info *instr) if (instr->mtd->erase == part_erase) { struct mtd_part *part = PART(instr->mtd); - if (instr->fail_addr != 0xffffffff) + if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN) instr->fail_addr -= part->offset; instr->addr -= part->offset; } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d1129bae6c27..582280560c89 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2042,7 +2042,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, return -EINVAL; } - instr->fail_addr = 0xffffffff; + instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; /* Grab the lock and see if the device is available */ nand_get_device(chip, mtd, FL_ERASING); diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 926cf3a4135d..90ed319f26e6 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -1794,7 +1794,7 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr) return -EINVAL; } - instr->fail_addr = 0xffffffff; + instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; /* Grab the lock and see if the device is available */ onenand_get_device(mtd, FL_ERASING); diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index dddb2a6c9e2c..259461b910af 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -68,7 +68,7 @@ static void jffs2_erase_block(struct jffs2_sb_info *c, instr->len = c->sector_size; instr->callback = jffs2_erase_callback; instr->priv = (unsigned long)(&instr[1]); - instr->fail_addr = 0xffffffff; + instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN; ((struct erase_priv_struct *)instr->priv)->jeb = jeb; ((struct erase_priv_struct *)instr->priv)->c = c; @@ -175,7 +175,7 @@ static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock { /* For NAND, if the failure did not occur at the device level for a specific physical page, don't bother updating the bad block table. */ - if (jffs2_cleanmarker_oob(c) && (bad_offset != 0xffffffff)) { + if (jffs2_cleanmarker_oob(c) && (bad_offset != MTD_FAIL_ADDR_UNKNOWN)) { /* We had a device-level failure to erase. Let's see if we've failed too many times. */ if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) { diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 922636548558..eae26bb6430a 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -25,8 +25,10 @@ #define MTD_ERASE_DONE 0x08 #define MTD_ERASE_FAILED 0x10 +#define MTD_FAIL_ADDR_UNKNOWN 0xffffffff + /* If the erase fails, fail_addr might indicate exactly which block failed. If - fail_addr = 0xffffffff, the failure was not at the device level or was not + fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not specific to any particular block. */ struct erase_info { struct mtd_info *mtd; -- GitLab From 36cd4fb5d277f34fe9e4db0deac2d4efd7dff735 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Wed, 6 Aug 2008 10:08:46 +0300 Subject: [PATCH 0308/6244] [MTD] [OneNAND] Add OMAP2 / OMAP3 OneNAND driver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This driver had resided in the OMAP tree but is now to be in MTD. Original authors were: Jarkko Lavinen and Juha Yrjölä IRQ and DMA support written by Timo Teras Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- drivers/mtd/onenand/Kconfig | 7 + drivers/mtd/onenand/Makefile | 1 + drivers/mtd/onenand/omap2.c | 777 ++++++++++++++++++++++++++++ include/asm-arm/arch-omap/onenand.h | 7 +- 4 files changed, 791 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/onenand/omap2.c diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig index b94a61b670d1..79fa79e8f8de 100644 --- a/drivers/mtd/onenand/Kconfig +++ b/drivers/mtd/onenand/Kconfig @@ -27,6 +27,13 @@ config MTD_ONENAND_GENERIC help Support for OneNAND flash via platform device driver. +config MTD_ONENAND_OMAP2 + tristate "OneNAND on OMAP2/OMAP3 support" + depends on MTD_ONENAND && (ARCH_OMAP2 || ARCH_OMAP3) + help + Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU + via the GPMC memory controller. + config MTD_ONENAND_OTP bool "OneNAND OTP Support" select HAVE_MTD_OTP diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile index 4d2eacfd7e11..64b6cc61a520 100644 --- a/drivers/mtd/onenand/Makefile +++ b/drivers/mtd/onenand/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_ONENAND) += onenand.o # Board specific. obj-$(CONFIG_MTD_ONENAND_GENERIC) += generic.o +obj-$(CONFIG_MTD_ONENAND_OMAP2) += omap2.o # Simulator obj-$(CONFIG_MTD_ONENAND_SIM) += onenand_sim.o diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c new file mode 100644 index 000000000000..40153ace5df6 --- /dev/null +++ b/drivers/mtd/onenand/omap2.c @@ -0,0 +1,777 @@ +/* + * linux/drivers/mtd/onenand/omap2.c + * + * OneNAND driver for OMAP2 / OMAP3 + * + * Copyright © 2005-2006 Nokia Corporation + * + * Author: Jarkko Lavinen and Juha Yrjölä + * IRQ and DMA support written by Timo Teras + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; see the file COPYING. If not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#define DRIVER_NAME "omap2-onenand" + +#define ONENAND_IO_SIZE SZ_128K +#define ONENAND_BUFRAM_SIZE (1024 * 5) + +struct omap2_onenand { + struct platform_device *pdev; + int gpmc_cs; + unsigned long phys_base; + int gpio_irq; + struct mtd_info mtd; + struct mtd_partition *parts; + struct onenand_chip onenand; + struct completion irq_done; + struct completion dma_done; + int dma_channel; + int freq; + int (*setup)(void __iomem *base, int freq); +}; + +static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data) +{ + struct omap2_onenand *c = data; + + complete(&c->dma_done); +} + +static irqreturn_t omap2_onenand_interrupt(int irq, void *dev_id) +{ + struct omap2_onenand *c = dev_id; + + complete(&c->irq_done); + + return IRQ_HANDLED; +} + +static inline unsigned short read_reg(struct omap2_onenand *c, int reg) +{ + return readw(c->onenand.base + reg); +} + +static inline void write_reg(struct omap2_onenand *c, unsigned short value, + int reg) +{ + writew(value, c->onenand.base + reg); +} + +static void wait_err(char *msg, int state, unsigned int ctrl, unsigned int intr) +{ + printk(KERN_ERR "onenand_wait: %s! state %d ctrl 0x%04x intr 0x%04x\n", + msg, state, ctrl, intr); +} + +static void wait_warn(char *msg, int state, unsigned int ctrl, + unsigned int intr) +{ + printk(KERN_WARNING "onenand_wait: %s! state %d ctrl 0x%04x " + "intr 0x%04x\n", msg, state, ctrl, intr); +} + +static int omap2_onenand_wait(struct mtd_info *mtd, int state) +{ + struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); + unsigned int intr = 0; + unsigned int ctrl; + unsigned long timeout; + u32 syscfg; + + if (state == FL_RESETING) { + int i; + + for (i = 0; i < 20; i++) { + udelay(1); + intr = read_reg(c, ONENAND_REG_INTERRUPT); + if (intr & ONENAND_INT_MASTER) + break; + } + ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); + if (ctrl & ONENAND_CTRL_ERROR) { + wait_err("controller error", state, ctrl, intr); + return -EIO; + } + if (!(intr & ONENAND_INT_RESET)) { + wait_err("timeout", state, ctrl, intr); + return -EIO; + } + return 0; + } + + if (state != FL_READING) { + int result; + + /* Turn interrupts on */ + syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); + syscfg |= ONENAND_SYS_CFG1_IOBE; + write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); + + INIT_COMPLETION(c->irq_done); + if (c->gpio_irq) { + result = omap_get_gpio_datain(c->gpio_irq); + if (result == -1) { + ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); + intr = read_reg(c, ONENAND_REG_INTERRUPT); + wait_err("gpio error", state, ctrl, intr); + return -EIO; + } + } else + result = 0; + if (result == 0) { + int retry_cnt = 0; +retry: + result = wait_for_completion_timeout(&c->irq_done, + msecs_to_jiffies(20)); + if (result == 0) { + /* Timeout after 20ms */ + ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); + if (ctrl & ONENAND_CTRL_ONGO) { + /* + * The operation seems to be still going + * so give it some more time. + */ + retry_cnt += 1; + if (retry_cnt < 3) + goto retry; + intr = read_reg(c, + ONENAND_REG_INTERRUPT); + wait_err("timeout", state, ctrl, intr); + return -EIO; + } + intr = read_reg(c, ONENAND_REG_INTERRUPT); + if ((intr & ONENAND_INT_MASTER) == 0) + wait_warn("timeout", state, ctrl, intr); + } + } + } else { + /* Turn interrupts off */ + syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); + syscfg &= ~ONENAND_SYS_CFG1_IOBE; + write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); + + timeout = jiffies + msecs_to_jiffies(20); + while (time_before(jiffies, timeout)) { + intr = read_reg(c, ONENAND_REG_INTERRUPT); + if (intr & ONENAND_INT_MASTER) + break; + } + } + + intr = read_reg(c, ONENAND_REG_INTERRUPT); + ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); + + if (intr & ONENAND_INT_READ) { + int ecc = read_reg(c, ONENAND_REG_ECC_STATUS); + + if (ecc) { + unsigned int addr1, addr8; + + addr1 = read_reg(c, ONENAND_REG_START_ADDRESS1); + addr8 = read_reg(c, ONENAND_REG_START_ADDRESS8); + if (ecc & ONENAND_ECC_2BIT_ALL) { + printk(KERN_ERR "onenand_wait: ECC error = " + "0x%04x, addr1 %#x, addr8 %#x\n", + ecc, addr1, addr8); + mtd->ecc_stats.failed++; + return -EBADMSG; + } else if (ecc & ONENAND_ECC_1BIT_ALL) { + printk(KERN_NOTICE "onenand_wait: correctable " + "ECC error = 0x%04x, addr1 %#x, " + "addr8 %#x\n", ecc, addr1, addr8); + mtd->ecc_stats.corrected++; + } + } + } else if (state == FL_READING) { + wait_err("timeout", state, ctrl, intr); + return -EIO; + } + + if (ctrl & ONENAND_CTRL_ERROR) { + wait_err("controller error", state, ctrl, intr); + if (ctrl & ONENAND_CTRL_LOCK) + printk(KERN_ERR "onenand_wait: " + "Device is write protected!!!\n"); + return -EIO; + } + + if (ctrl & 0xFE9F) + wait_warn("unexpected controller status", state, ctrl, intr); + + return 0; +} + +static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area) +{ + struct onenand_chip *this = mtd->priv; + + if (ONENAND_CURRENT_BUFFERRAM(this)) { + if (area == ONENAND_DATARAM) + return mtd->writesize; + if (area == ONENAND_SPARERAM) + return mtd->oobsize; + } + + return 0; +} + +#if defined(CONFIG_ARCH_OMAP3) || defined(MULTI_OMAP2) + +static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area, + unsigned char *buffer, int offset, + size_t count) +{ + struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); + struct onenand_chip *this = mtd->priv; + dma_addr_t dma_src, dma_dst; + int bram_offset; + unsigned long timeout; + void *buf = (void *)buffer; + size_t xtra; + volatile unsigned *done; + + bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; + if (bram_offset & 3 || (size_t)buf & 3 || count < 384) + goto out_copy; + + if (buf >= high_memory) { + struct page *p1; + + if (((size_t)buf & PAGE_MASK) != + ((size_t)(buf + count - 1) & PAGE_MASK)) + goto out_copy; + p1 = vmalloc_to_page(buf); + if (!p1) + goto out_copy; + buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK); + } + + xtra = count & 3; + if (xtra) { + count -= xtra; + memcpy(buf + count, this->base + bram_offset + count, xtra); + } + + dma_src = c->phys_base + bram_offset; + dma_dst = dma_map_single(&c->pdev->dev, buf, count, DMA_FROM_DEVICE); + if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + dev_err(&c->pdev->dev, + "Couldn't DMA map a %d byte buffer\n", + count); + goto out_copy; + } + + omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, + count >> 2, 1, 0, 0, 0); + omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_src, 0, 0); + omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_dst, 0, 0); + + INIT_COMPLETION(c->dma_done); + omap_start_dma(c->dma_channel); + + timeout = jiffies + msecs_to_jiffies(20); + done = &c->dma_done.done; + while (time_before(jiffies, timeout)) + if (*done) + break; + + dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE); + + if (!*done) { + dev_err(&c->pdev->dev, "timeout waiting for DMA\n"); + goto out_copy; + } + + return 0; + +out_copy: + memcpy(buf, this->base + bram_offset, count); + return 0; +} + +static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area, + const unsigned char *buffer, + int offset, size_t count) +{ + struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); + struct onenand_chip *this = mtd->priv; + dma_addr_t dma_src, dma_dst; + int bram_offset; + unsigned long timeout; + void *buf = (void *)buffer; + volatile unsigned *done; + + bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; + if (bram_offset & 3 || (size_t)buf & 3 || count < 384) + goto out_copy; + + /* panic_write() may be in an interrupt context */ + if (in_interrupt()) + goto out_copy; + + if (buf >= high_memory) { + struct page *p1; + + if (((size_t)buf & PAGE_MASK) != + ((size_t)(buf + count - 1) & PAGE_MASK)) + goto out_copy; + p1 = vmalloc_to_page(buf); + if (!p1) + goto out_copy; + buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK); + } + + dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE); + dma_dst = c->phys_base + bram_offset; + if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + dev_err(&c->pdev->dev, + "Couldn't DMA map a %d byte buffer\n", + count); + return -1; + } + + omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, + count >> 2, 1, 0, 0, 0); + omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_src, 0, 0); + omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_dst, 0, 0); + + INIT_COMPLETION(c->dma_done); + omap_start_dma(c->dma_channel); + + timeout = jiffies + msecs_to_jiffies(20); + done = &c->dma_done.done; + while (time_before(jiffies, timeout)) + if (*done) + break; + + dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE); + + if (!*done) { + dev_err(&c->pdev->dev, "timeout waiting for DMA\n"); + goto out_copy; + } + + return 0; + +out_copy: + memcpy(this->base + bram_offset, buf, count); + return 0; +} + +#else + +int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area, + unsigned char *buffer, int offset, + size_t count); + +int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area, + const unsigned char *buffer, + int offset, size_t count); + +#endif + +#if defined(CONFIG_ARCH_OMAP2) || defined(MULTI_OMAP2) + +static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area, + unsigned char *buffer, int offset, + size_t count) +{ + struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); + struct onenand_chip *this = mtd->priv; + dma_addr_t dma_src, dma_dst; + int bram_offset; + + bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; + /* DMA is not used. Revisit PM requirements before enabling it. */ + if (1 || (c->dma_channel < 0) || + ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) || + (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) { + memcpy(buffer, (__force void *)(this->base + bram_offset), + count); + return 0; + } + + dma_src = c->phys_base + bram_offset; + dma_dst = dma_map_single(&c->pdev->dev, buffer, count, + DMA_FROM_DEVICE); + if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + dev_err(&c->pdev->dev, + "Couldn't DMA map a %d byte buffer\n", + count); + return -1; + } + + omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, + count / 4, 1, 0, 0, 0); + omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_src, 0, 0); + omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_dst, 0, 0); + + INIT_COMPLETION(c->dma_done); + omap_start_dma(c->dma_channel); + wait_for_completion(&c->dma_done); + + dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE); + + return 0; +} + +static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area, + const unsigned char *buffer, + int offset, size_t count) +{ + struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); + struct onenand_chip *this = mtd->priv; + dma_addr_t dma_src, dma_dst; + int bram_offset; + + bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset; + /* DMA is not used. Revisit PM requirements before enabling it. */ + if (1 || (c->dma_channel < 0) || + ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) || + (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) { + memcpy((__force void *)(this->base + bram_offset), buffer, + count); + return 0; + } + + dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count, + DMA_TO_DEVICE); + dma_dst = c->phys_base + bram_offset; + if (dma_mapping_error(&c->pdev->dev, dma_dst)) { + dev_err(&c->pdev->dev, + "Couldn't DMA map a %d byte buffer\n", + count); + return -1; + } + + omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S16, + count / 2, 1, 0, 0, 0); + omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_src, 0, 0); + omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, + dma_dst, 0, 0); + + INIT_COMPLETION(c->dma_done); + omap_start_dma(c->dma_channel); + wait_for_completion(&c->dma_done); + + dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE); + + return 0; +} + +#else + +int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area, + unsigned char *buffer, int offset, + size_t count); + +int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area, + const unsigned char *buffer, + int offset, size_t count); + +#endif + +static struct platform_driver omap2_onenand_driver; + +static int __adjust_timing(struct device *dev, void *data) +{ + int ret = 0; + struct omap2_onenand *c; + + c = dev_get_drvdata(dev); + + BUG_ON(c->setup == NULL); + + /* DMA is not in use so this is all that is needed */ + /* Revisit for OMAP3! */ + ret = c->setup(c->onenand.base, c->freq); + + return ret; +} + +int omap2_onenand_rephase(void) +{ + return driver_for_each_device(&omap2_onenand_driver.driver, NULL, + NULL, __adjust_timing); +} + +static void __devexit omap2_onenand_shutdown(struct platform_device *pdev) +{ + struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); + + /* With certain content in the buffer RAM, the OMAP boot ROM code + * can recognize the flash chip incorrectly. Zero it out before + * soft reset. + */ + memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE); +} + +static int __devinit omap2_onenand_probe(struct platform_device *pdev) +{ + struct omap_onenand_platform_data *pdata; + struct omap2_onenand *c; + int r; + + pdata = pdev->dev.platform_data; + if (pdata == NULL) { + dev_err(&pdev->dev, "platform data missing\n"); + return -ENODEV; + } + + c = kzalloc(sizeof(struct omap2_onenand), GFP_KERNEL); + if (!c) + return -ENOMEM; + + init_completion(&c->irq_done); + init_completion(&c->dma_done); + c->gpmc_cs = pdata->cs; + c->gpio_irq = pdata->gpio_irq; + c->dma_channel = pdata->dma_channel; + if (c->dma_channel < 0) { + /* if -1, don't use DMA */ + c->gpio_irq = 0; + } + + r = gpmc_cs_request(c->gpmc_cs, ONENAND_IO_SIZE, &c->phys_base); + if (r < 0) { + dev_err(&pdev->dev, "Cannot request GPMC CS\n"); + goto err_kfree; + } + + if (request_mem_region(c->phys_base, ONENAND_IO_SIZE, + pdev->dev.driver->name) == NULL) { + dev_err(&pdev->dev, "Cannot reserve memory region at 0x%08lx, " + "size: 0x%x\n", c->phys_base, ONENAND_IO_SIZE); + r = -EBUSY; + goto err_free_cs; + } + c->onenand.base = ioremap(c->phys_base, ONENAND_IO_SIZE); + if (c->onenand.base == NULL) { + r = -ENOMEM; + goto err_release_mem_region; + } + + if (pdata->onenand_setup != NULL) { + r = pdata->onenand_setup(c->onenand.base, c->freq); + if (r < 0) { + dev_err(&pdev->dev, "Onenand platform setup failed: " + "%d\n", r); + goto err_iounmap; + } + c->setup = pdata->onenand_setup; + } + + if (c->gpio_irq) { + if ((r = omap_request_gpio(c->gpio_irq)) < 0) { + dev_err(&pdev->dev, "Failed to request GPIO%d for " + "OneNAND\n", c->gpio_irq); + goto err_iounmap; + } + omap_set_gpio_direction(c->gpio_irq, 1); + + if ((r = request_irq(OMAP_GPIO_IRQ(c->gpio_irq), + omap2_onenand_interrupt, IRQF_TRIGGER_RISING, + pdev->dev.driver->name, c)) < 0) + goto err_release_gpio; + } + + if (c->dma_channel >= 0) { + r = omap_request_dma(0, pdev->dev.driver->name, + omap2_onenand_dma_cb, (void *) c, + &c->dma_channel); + if (r == 0) { + omap_set_dma_write_mode(c->dma_channel, + OMAP_DMA_WRITE_NON_POSTED); + omap_set_dma_src_data_pack(c->dma_channel, 1); + omap_set_dma_src_burst_mode(c->dma_channel, + OMAP_DMA_DATA_BURST_8); + omap_set_dma_dest_data_pack(c->dma_channel, 1); + omap_set_dma_dest_burst_mode(c->dma_channel, + OMAP_DMA_DATA_BURST_8); + } else { + dev_info(&pdev->dev, + "failed to allocate DMA for OneNAND, " + "using PIO instead\n"); + c->dma_channel = -1; + } + } + + dev_info(&pdev->dev, "initializing on CS%d, phys base 0x%08lx, virtual " + "base %p\n", c->gpmc_cs, c->phys_base, + c->onenand.base); + + c->pdev = pdev; + c->mtd.name = pdev->dev.bus_id; + c->mtd.priv = &c->onenand; + c->mtd.owner = THIS_MODULE; + + if (c->dma_channel >= 0) { + struct onenand_chip *this = &c->onenand; + + this->wait = omap2_onenand_wait; + if (cpu_is_omap34xx()) { + this->read_bufferram = omap3_onenand_read_bufferram; + this->write_bufferram = omap3_onenand_write_bufferram; + } else { + this->read_bufferram = omap2_onenand_read_bufferram; + this->write_bufferram = omap2_onenand_write_bufferram; + } + } + + if ((r = onenand_scan(&c->mtd, 1)) < 0) + goto err_release_dma; + + switch ((c->onenand.version_id >> 4) & 0xf) { + case 0: + c->freq = 40; + break; + case 1: + c->freq = 54; + break; + case 2: + c->freq = 66; + break; + case 3: + c->freq = 83; + break; + } + +#ifdef CONFIG_MTD_PARTITIONS + if (pdata->parts != NULL) + r = add_mtd_partitions(&c->mtd, pdata->parts, + pdata->nr_parts); + else +#endif + r = add_mtd_device(&c->mtd); + if (r < 0) + goto err_release_onenand; + + platform_set_drvdata(pdev, c); + + return 0; + +err_release_onenand: + onenand_release(&c->mtd); +err_release_dma: + if (c->dma_channel != -1) + omap_free_dma(c->dma_channel); + if (c->gpio_irq) + free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c); +err_release_gpio: + if (c->gpio_irq) + omap_free_gpio(c->gpio_irq); +err_iounmap: + iounmap(c->onenand.base); +err_release_mem_region: + release_mem_region(c->phys_base, ONENAND_IO_SIZE); +err_free_cs: + gpmc_cs_free(c->gpmc_cs); +err_kfree: + kfree(c); + + return r; +} + +static int __devexit omap2_onenand_remove(struct platform_device *pdev) +{ + struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); + + BUG_ON(c == NULL); + +#ifdef CONFIG_MTD_PARTITIONS + if (c->parts) + del_mtd_partitions(&c->mtd); + else + del_mtd_device(&c->mtd); +#else + del_mtd_device(&c->mtd); +#endif + + onenand_release(&c->mtd); + if (c->dma_channel != -1) + omap_free_dma(c->dma_channel); + omap2_onenand_shutdown(pdev); + platform_set_drvdata(pdev, NULL); + if (c->gpio_irq) { + free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c); + omap_free_gpio(c->gpio_irq); + } + iounmap(c->onenand.base); + release_mem_region(c->phys_base, ONENAND_IO_SIZE); + kfree(c); + + return 0; +} + +static struct platform_driver omap2_onenand_driver = { + .probe = omap2_onenand_probe, + .remove = omap2_onenand_remove, + .shutdown = omap2_onenand_shutdown, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init omap2_onenand_init(void) +{ + printk(KERN_INFO "OneNAND driver initializing\n"); + return platform_driver_register(&omap2_onenand_driver); +} + +static void __exit omap2_onenand_exit(void) +{ + platform_driver_unregister(&omap2_onenand_driver); +} + +module_init(omap2_onenand_init); +module_exit(omap2_onenand_exit); + +MODULE_ALIAS(DRIVER_NAME); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarkko Lavinen "); +MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP2 / OMAP3"); diff --git a/include/asm-arm/arch-omap/onenand.h b/include/asm-arm/arch-omap/onenand.h index 6c959d0ce470..e30237117b69 100644 --- a/include/asm-arm/arch-omap/onenand.h +++ b/include/asm-arm/arch-omap/onenand.h @@ -16,6 +16,11 @@ struct omap_onenand_platform_data { int gpio_irq; struct mtd_partition *parts; int nr_parts; - int (*onenand_setup)(void __iomem *); + int (*onenand_setup)(void __iomem *, int freq); int dma_channel; }; + +int omap2_onenand_rephase(void); + +#define ONENAND_MAX_PARTITIONS 8 + -- GitLab From c1e817d03a7de57a963654c35e6e80af9a5dbff5 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 22 Jul 2008 22:58:03 +0100 Subject: [PATCH 0309/6244] GFS2: Fix debugfs glock file iterator Due to an incorrect iterator, some glocks were being missed from the glock dumps obtained via debugfs. This patch fixes the problem and ensures that we don't miss any glocks in future. Signed-off-by: Steven Whitehouse --- fs/gfs2/glock.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 13391e546616..4cbb6957a0d4 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1816,15 +1816,17 @@ restart: if (gl) { gi->gl = hlist_entry(gl->gl_list.next, struct gfs2_glock, gl_list); - if (gi->gl) - gfs2_glock_hold(gi->gl); + } else { + gi->gl = hlist_entry(gl_hash_table[gi->hash].hb_list.first, + struct gfs2_glock, gl_list); } + if (gi->gl) + gfs2_glock_hold(gi->gl); read_unlock(gl_lock_addr(gi->hash)); if (gl) gfs2_glock_put(gl); - if (gl && gi->gl == NULL) - gi->hash++; while (gi->gl == NULL) { + gi->hash++; if (gi->hash >= GFS2_GL_HASH_SIZE) return 1; read_lock(gl_lock_addr(gi->hash)); @@ -1833,7 +1835,6 @@ restart: if (gi->gl) gfs2_glock_hold(gi->gl); read_unlock(gl_lock_addr(gi->hash)); - gi->hash++; } if (gi->sdp != gi->gl->gl_sbd) -- GitLab From 9b8df98fc8973ad1c5f0d7c4cf71c7fb84fe22c5 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Fri, 8 Aug 2008 13:45:13 +0100 Subject: [PATCH 0310/6244] GFS2: Fix metafs mounts This patch is intended to fix the issues reported in bz #457798. Instead of having the metafs as a separate filesystem, it becomes a second root of gfs2. As a result it will appear as type gfs2 in /proc/mounts, but it is still possible (for backwards compatibility purposes) to mount it as type gfs2meta. A new mount flag "meta" is introduced so that its possible to tell the two cases apart in /proc/mounts. As a result it becomes possible to mount type gfs2 with -o meta and get the same result as mounting type gfs2meta. So it is possible to mount just the metafs on its own. Currently if you do this, its then impossible to mount the "normal" root of the gfs2 filesystem without first unmounting the metafs root. I'm not sure if thats a feature or a bug :-) Either way, this is a great improvement on the previous scheme and I've verified that it works ok with bind mounts on both the "normal" root and the metafs root in various combinations. There were also a bunch of functions in super.c which didn't belong there, so this moves them into ops_fstype.c where they can be static. Hopefully the mount/umount sequence is now more obvious as a result. Signed-off-by: Steven Whitehouse Cc: Alexander Viro --- fs/gfs2/incore.h | 7 +- fs/gfs2/mount.c | 7 + fs/gfs2/ops_fstype.c | 566 +++++++++++++++++++++++++++++-------------- fs/gfs2/ops_super.c | 57 ++++- fs/gfs2/super.c | 340 -------------------------- fs/gfs2/super.h | 6 - 6 files changed, 448 insertions(+), 535 deletions(-) diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 448697a5c462..a1777a1927b3 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -400,6 +400,7 @@ struct gfs2_args { int ar_quota; /* off/account/on */ int ar_suiddir; /* suiddir support */ int ar_data; /* ordered/writeback */ + int ar_meta; /* mount metafs */ }; struct gfs2_tune { @@ -461,7 +462,6 @@ struct gfs2_sb_host { struct gfs2_sbd { struct super_block *sd_vfs; - struct super_block *sd_vfs_meta; struct kobject sd_kobj; unsigned long sd_flags; /* SDF_... */ struct gfs2_sb_host sd_sb; @@ -499,7 +499,9 @@ struct gfs2_sbd { /* Inode Stuff */ - struct inode *sd_master_dir; + struct dentry *sd_master_dir; + struct dentry *sd_root_dir; + struct inode *sd_jindex; struct inode *sd_inum_inode; struct inode *sd_statfs_inode; @@ -634,7 +636,6 @@ struct gfs2_sbd { /* Debugging crud */ unsigned long sd_last_warning; - struct vfsmount *sd_gfs2mnt; struct dentry *debugfs_dir; /* debugfs directory */ struct dentry *debugfs_dentry_glocks; /* for debugfs */ }; diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index b941f9f9f958..df48333e6f01 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -42,6 +42,7 @@ enum { Opt_nosuiddir, Opt_data_writeback, Opt_data_ordered, + Opt_meta, Opt_err, }; @@ -66,6 +67,7 @@ static match_table_t tokens = { {Opt_nosuiddir, "nosuiddir"}, {Opt_data_writeback, "data=writeback"}, {Opt_data_ordered, "data=ordered"}, + {Opt_meta, "meta"}, {Opt_err, NULL} }; @@ -239,6 +241,11 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) case Opt_data_ordered: args->ar_data = GFS2_DATA_ORDERED; break; + case Opt_meta: + if (remount && args->ar_meta != 1) + goto cant_remount; + args->ar_meta = 1; + break; case Opt_err: default: fs_info(sdp, "unknown option: %s\n", o); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b4d1d6490633..a6225cce2cbc 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -40,6 +40,45 @@ #define DO 0 #define UNDO 1 +static const u32 gfs2_old_fs_formats[] = { + 0 +}; + +static const u32 gfs2_old_multihost_formats[] = { + 0 +}; + +/** + * gfs2_tune_init - Fill a gfs2_tune structure with default values + * @gt: tune + * + */ + +static void gfs2_tune_init(struct gfs2_tune *gt) +{ + spin_lock_init(>->gt_spin); + + gt->gt_demote_secs = 300; + gt->gt_incore_log_blocks = 1024; + gt->gt_log_flush_secs = 60; + gt->gt_recoverd_secs = 60; + gt->gt_logd_secs = 1; + gt->gt_quotad_secs = 5; + gt->gt_quota_simul_sync = 64; + gt->gt_quota_warn_period = 10; + gt->gt_quota_scale_num = 1; + gt->gt_quota_scale_den = 1; + gt->gt_quota_cache_secs = 300; + gt->gt_quota_quantum = 60; + gt->gt_atime_quantum = 3600; + gt->gt_new_files_jdata = 0; + gt->gt_max_readahead = 1 << 18; + gt->gt_stall_secs = 600; + gt->gt_complain_secs = 10; + gt->gt_statfs_quantum = 30; + gt->gt_statfs_slow = 0; +} + static struct gfs2_sbd *init_sbd(struct super_block *sb) { struct gfs2_sbd *sdp; @@ -113,6 +152,272 @@ static void init_vfs(struct super_block *sb, unsigned noatime) sb->s_flags |= MS_NOATIME | MS_NODIRATIME; } +/** + * gfs2_check_sb - Check superblock + * @sdp: the filesystem + * @sb: The superblock + * @silent: Don't print a message if the check fails + * + * Checks the version code of the FS is one that we understand how to + * read and that the sizes of the various on-disk structures have not + * changed. + */ + +static int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent) +{ + unsigned int x; + + if (sb->sb_magic != GFS2_MAGIC || + sb->sb_type != GFS2_METATYPE_SB) { + if (!silent) + printk(KERN_WARNING "GFS2: not a GFS2 filesystem\n"); + return -EINVAL; + } + + /* If format numbers match exactly, we're done. */ + + if (sb->sb_fs_format == GFS2_FORMAT_FS && + sb->sb_multihost_format == GFS2_FORMAT_MULTI) + return 0; + + if (sb->sb_fs_format != GFS2_FORMAT_FS) { + for (x = 0; gfs2_old_fs_formats[x]; x++) + if (gfs2_old_fs_formats[x] == sb->sb_fs_format) + break; + + if (!gfs2_old_fs_formats[x]) { + printk(KERN_WARNING + "GFS2: code version (%u, %u) is incompatible " + "with ondisk format (%u, %u)\n", + GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, + sb->sb_fs_format, sb->sb_multihost_format); + printk(KERN_WARNING + "GFS2: I don't know how to upgrade this FS\n"); + return -EINVAL; + } + } + + if (sb->sb_multihost_format != GFS2_FORMAT_MULTI) { + for (x = 0; gfs2_old_multihost_formats[x]; x++) + if (gfs2_old_multihost_formats[x] == + sb->sb_multihost_format) + break; + + if (!gfs2_old_multihost_formats[x]) { + printk(KERN_WARNING + "GFS2: code version (%u, %u) is incompatible " + "with ondisk format (%u, %u)\n", + GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, + sb->sb_fs_format, sb->sb_multihost_format); + printk(KERN_WARNING + "GFS2: I don't know how to upgrade this FS\n"); + return -EINVAL; + } + } + + if (!sdp->sd_args.ar_upgrade) { + printk(KERN_WARNING + "GFS2: code version (%u, %u) is incompatible " + "with ondisk format (%u, %u)\n", + GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, + sb->sb_fs_format, sb->sb_multihost_format); + printk(KERN_INFO + "GFS2: Use the \"upgrade\" mount option to upgrade " + "the FS\n"); + printk(KERN_INFO "GFS2: See the manual for more details\n"); + return -EINVAL; + } + + return 0; +} + +static void end_bio_io_page(struct bio *bio, int error) +{ + struct page *page = bio->bi_private; + + if (!error) + SetPageUptodate(page); + else + printk(KERN_WARNING "gfs2: error %d reading superblock\n", error); + unlock_page(page); +} + +static void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf) +{ + const struct gfs2_sb *str = buf; + + sb->sb_magic = be32_to_cpu(str->sb_header.mh_magic); + sb->sb_type = be32_to_cpu(str->sb_header.mh_type); + sb->sb_format = be32_to_cpu(str->sb_header.mh_format); + sb->sb_fs_format = be32_to_cpu(str->sb_fs_format); + sb->sb_multihost_format = be32_to_cpu(str->sb_multihost_format); + sb->sb_bsize = be32_to_cpu(str->sb_bsize); + sb->sb_bsize_shift = be32_to_cpu(str->sb_bsize_shift); + sb->sb_master_dir.no_addr = be64_to_cpu(str->sb_master_dir.no_addr); + sb->sb_master_dir.no_formal_ino = be64_to_cpu(str->sb_master_dir.no_formal_ino); + sb->sb_root_dir.no_addr = be64_to_cpu(str->sb_root_dir.no_addr); + sb->sb_root_dir.no_formal_ino = be64_to_cpu(str->sb_root_dir.no_formal_ino); + + memcpy(sb->sb_lockproto, str->sb_lockproto, GFS2_LOCKNAME_LEN); + memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN); +} + +/** + * gfs2_read_super - Read the gfs2 super block from disk + * @sdp: The GFS2 super block + * @sector: The location of the super block + * @error: The error code to return + * + * This uses the bio functions to read the super block from disk + * because we want to be 100% sure that we never read cached data. + * A super block is read twice only during each GFS2 mount and is + * never written to by the filesystem. The first time its read no + * locks are held, and the only details which are looked at are those + * relating to the locking protocol. Once locking is up and working, + * the sb is read again under the lock to establish the location of + * the master directory (contains pointers to journals etc) and the + * root directory. + * + * Returns: 0 on success or error + */ + +static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector) +{ + struct super_block *sb = sdp->sd_vfs; + struct gfs2_sb *p; + struct page *page; + struct bio *bio; + + page = alloc_page(GFP_NOFS); + if (unlikely(!page)) + return -ENOBUFS; + + ClearPageUptodate(page); + ClearPageDirty(page); + lock_page(page); + + bio = bio_alloc(GFP_NOFS, 1); + if (unlikely(!bio)) { + __free_page(page); + return -ENOBUFS; + } + + bio->bi_sector = sector * (sb->s_blocksize >> 9); + bio->bi_bdev = sb->s_bdev; + bio_add_page(bio, page, PAGE_SIZE, 0); + + bio->bi_end_io = end_bio_io_page; + bio->bi_private = page; + submit_bio(READ_SYNC | (1 << BIO_RW_META), bio); + wait_on_page_locked(page); + bio_put(bio); + if (!PageUptodate(page)) { + __free_page(page); + return -EIO; + } + p = kmap(page); + gfs2_sb_in(&sdp->sd_sb, p); + kunmap(page); + __free_page(page); + return 0; +} +/** + * gfs2_read_sb - Read super block + * @sdp: The GFS2 superblock + * @gl: the glock for the superblock (assumed to be held) + * @silent: Don't print message if mount fails + * + */ + +static int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent) +{ + u32 hash_blocks, ind_blocks, leaf_blocks; + u32 tmp_blocks; + unsigned int x; + int error; + + error = gfs2_read_super(sdp, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift); + if (error) { + if (!silent) + fs_err(sdp, "can't read superblock\n"); + return error; + } + + error = gfs2_check_sb(sdp, &sdp->sd_sb, silent); + if (error) + return error; + + sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - + GFS2_BASIC_BLOCK_SHIFT; + sdp->sd_fsb2bb = 1 << sdp->sd_fsb2bb_shift; + sdp->sd_diptrs = (sdp->sd_sb.sb_bsize - + sizeof(struct gfs2_dinode)) / sizeof(u64); + sdp->sd_inptrs = (sdp->sd_sb.sb_bsize - + sizeof(struct gfs2_meta_header)) / sizeof(u64); + sdp->sd_jbsize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header); + sdp->sd_hash_bsize = sdp->sd_sb.sb_bsize / 2; + sdp->sd_hash_bsize_shift = sdp->sd_sb.sb_bsize_shift - 1; + sdp->sd_hash_ptrs = sdp->sd_hash_bsize / sizeof(u64); + sdp->sd_qc_per_block = (sdp->sd_sb.sb_bsize - + sizeof(struct gfs2_meta_header)) / + sizeof(struct gfs2_quota_change); + + /* Compute maximum reservation required to add a entry to a directory */ + + hash_blocks = DIV_ROUND_UP(sizeof(u64) * (1 << GFS2_DIR_MAX_DEPTH), + sdp->sd_jbsize); + + ind_blocks = 0; + for (tmp_blocks = hash_blocks; tmp_blocks > sdp->sd_diptrs;) { + tmp_blocks = DIV_ROUND_UP(tmp_blocks, sdp->sd_inptrs); + ind_blocks += tmp_blocks; + } + + leaf_blocks = 2 + GFS2_DIR_MAX_DEPTH; + + sdp->sd_max_dirres = hash_blocks + ind_blocks + leaf_blocks; + + sdp->sd_heightsize[0] = sdp->sd_sb.sb_bsize - + sizeof(struct gfs2_dinode); + sdp->sd_heightsize[1] = sdp->sd_sb.sb_bsize * sdp->sd_diptrs; + for (x = 2;; x++) { + u64 space, d; + u32 m; + + space = sdp->sd_heightsize[x - 1] * sdp->sd_inptrs; + d = space; + m = do_div(d, sdp->sd_inptrs); + + if (d != sdp->sd_heightsize[x - 1] || m) + break; + sdp->sd_heightsize[x] = space; + } + sdp->sd_max_height = x; + sdp->sd_heightsize[x] = ~0; + gfs2_assert(sdp, sdp->sd_max_height <= GFS2_MAX_META_HEIGHT); + + sdp->sd_jheightsize[0] = sdp->sd_sb.sb_bsize - + sizeof(struct gfs2_dinode); + sdp->sd_jheightsize[1] = sdp->sd_jbsize * sdp->sd_diptrs; + for (x = 2;; x++) { + u64 space, d; + u32 m; + + space = sdp->sd_jheightsize[x - 1] * sdp->sd_inptrs; + d = space; + m = do_div(d, sdp->sd_inptrs); + + if (d != sdp->sd_jheightsize[x - 1] || m) + break; + sdp->sd_jheightsize[x] = space; + } + sdp->sd_max_jheight = x; + sdp->sd_jheightsize[x] = ~0; + gfs2_assert(sdp, sdp->sd_max_jheight <= GFS2_MAX_META_HEIGHT); + + return 0; +} + static int init_names(struct gfs2_sbd *sdp, int silent) { char *proto, *table; @@ -224,51 +529,59 @@ fail: return error; } -static inline struct inode *gfs2_lookup_root(struct super_block *sb, - u64 no_addr) +static int gfs2_lookup_root(struct super_block *sb, struct dentry **dptr, + u64 no_addr, const char *name) { - return gfs2_inode_lookup(sb, DT_DIR, no_addr, 0, 0); + struct gfs2_sbd *sdp = sb->s_fs_info; + struct dentry *dentry; + struct inode *inode; + + inode = gfs2_inode_lookup(sb, DT_DIR, no_addr, 0, 0); + if (IS_ERR(inode)) { + fs_err(sdp, "can't read in %s inode: %ld\n", name, PTR_ERR(inode)); + return PTR_ERR(inode); + } + dentry = d_alloc_root(inode); + if (!dentry) { + fs_err(sdp, "can't alloc %s dentry\n", name); + iput(inode); + return -ENOMEM; + } + dentry->d_op = &gfs2_dops; + *dptr = dentry; + return 0; } -static int init_sb(struct gfs2_sbd *sdp, int silent, int undo) +static int init_sb(struct gfs2_sbd *sdp, int silent) { struct super_block *sb = sdp->sd_vfs; struct gfs2_holder sb_gh; u64 no_addr; - struct inode *inode; - int error = 0; + int ret; - if (undo) { - if (sb->s_root) { - dput(sb->s_root); - sb->s_root = NULL; - } - return 0; + ret = gfs2_glock_nq_num(sdp, GFS2_SB_LOCK, &gfs2_meta_glops, + LM_ST_SHARED, 0, &sb_gh); + if (ret) { + fs_err(sdp, "can't acquire superblock glock: %d\n", ret); + return ret; } - error = gfs2_glock_nq_num(sdp, GFS2_SB_LOCK, &gfs2_meta_glops, - LM_ST_SHARED, 0, &sb_gh); - if (error) { - fs_err(sdp, "can't acquire superblock glock: %d\n", error); - return error; - } - - error = gfs2_read_sb(sdp, sb_gh.gh_gl, silent); - if (error) { - fs_err(sdp, "can't read superblock: %d\n", error); + ret = gfs2_read_sb(sdp, sb_gh.gh_gl, silent); + if (ret) { + fs_err(sdp, "can't read superblock: %d\n", ret); goto out; } /* Set up the buffer cache and SB for real */ if (sdp->sd_sb.sb_bsize < bdev_hardsect_size(sb->s_bdev)) { - error = -EINVAL; + ret = -EINVAL; fs_err(sdp, "FS block size (%u) is too small for device " "block size (%u)\n", sdp->sd_sb.sb_bsize, bdev_hardsect_size(sb->s_bdev)); goto out; } if (sdp->sd_sb.sb_bsize > PAGE_SIZE) { - error = -EINVAL; + ret = -EINVAL; fs_err(sdp, "FS block size (%u) is too big for machine " "page size (%u)\n", sdp->sd_sb.sb_bsize, (unsigned int)PAGE_SIZE); @@ -278,26 +591,21 @@ static int init_sb(struct gfs2_sbd *sdp, int silent, int undo) /* Get the root inode */ no_addr = sdp->sd_sb.sb_root_dir.no_addr; - if (sb->s_type == &gfs2meta_fs_type) - no_addr = sdp->sd_sb.sb_master_dir.no_addr; - inode = gfs2_lookup_root(sb, no_addr); - if (IS_ERR(inode)) { - error = PTR_ERR(inode); - fs_err(sdp, "can't read in root inode: %d\n", error); + ret = gfs2_lookup_root(sb, &sdp->sd_root_dir, no_addr, "root"); + if (ret) goto out; - } - sb->s_root = d_alloc_root(inode); - if (!sb->s_root) { - fs_err(sdp, "can't get root dentry\n"); - error = -ENOMEM; - iput(inode); - } else - sb->s_root->d_op = &gfs2_dops; - + /* Get the master inode */ + no_addr = sdp->sd_sb.sb_master_dir.no_addr; + ret = gfs2_lookup_root(sb, &sdp->sd_master_dir, no_addr, "master"); + if (ret) { + dput(sdp->sd_root_dir); + goto out; + } + sb->s_root = dget(sdp->sd_args.ar_meta ? sdp->sd_master_dir : sdp->sd_root_dir); out: gfs2_glock_dq_uninit(&sb_gh); - return error; + return ret; } /** @@ -372,6 +680,7 @@ static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp) static int init_journal(struct gfs2_sbd *sdp, int undo) { + struct inode *master = sdp->sd_master_dir->d_inode; struct gfs2_holder ji_gh; struct task_struct *p; struct gfs2_inode *ip; @@ -383,7 +692,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo) goto fail_recoverd; } - sdp->sd_jindex = gfs2_lookup_simple(sdp->sd_master_dir, "jindex"); + sdp->sd_jindex = gfs2_lookup_simple(master, "jindex"); if (IS_ERR(sdp->sd_jindex)) { fs_err(sdp, "can't lookup journal index: %d\n", error); return PTR_ERR(sdp->sd_jindex); @@ -506,25 +815,17 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) { int error = 0; struct gfs2_inode *ip; - struct inode *inode; + struct inode *master = sdp->sd_master_dir->d_inode; if (undo) goto fail_qinode; - inode = gfs2_lookup_root(sdp->sd_vfs, sdp->sd_sb.sb_master_dir.no_addr); - if (IS_ERR(inode)) { - error = PTR_ERR(inode); - fs_err(sdp, "can't read in master directory: %d\n", error); - goto fail; - } - sdp->sd_master_dir = inode; - error = init_journal(sdp, undo); if (error) - goto fail_master; + goto fail; /* Read in the master inode number inode */ - sdp->sd_inum_inode = gfs2_lookup_simple(sdp->sd_master_dir, "inum"); + sdp->sd_inum_inode = gfs2_lookup_simple(master, "inum"); if (IS_ERR(sdp->sd_inum_inode)) { error = PTR_ERR(sdp->sd_inum_inode); fs_err(sdp, "can't read in inum inode: %d\n", error); @@ -533,7 +834,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) /* Read in the master statfs inode */ - sdp->sd_statfs_inode = gfs2_lookup_simple(sdp->sd_master_dir, "statfs"); + sdp->sd_statfs_inode = gfs2_lookup_simple(master, "statfs"); if (IS_ERR(sdp->sd_statfs_inode)) { error = PTR_ERR(sdp->sd_statfs_inode); fs_err(sdp, "can't read in statfs inode: %d\n", error); @@ -541,7 +842,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) } /* Read in the resource index inode */ - sdp->sd_rindex = gfs2_lookup_simple(sdp->sd_master_dir, "rindex"); + sdp->sd_rindex = gfs2_lookup_simple(master, "rindex"); if (IS_ERR(sdp->sd_rindex)) { error = PTR_ERR(sdp->sd_rindex); fs_err(sdp, "can't get resource index inode: %d\n", error); @@ -552,7 +853,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) sdp->sd_rindex_uptodate = 0; /* Read in the quota inode */ - sdp->sd_quota_inode = gfs2_lookup_simple(sdp->sd_master_dir, "quota"); + sdp->sd_quota_inode = gfs2_lookup_simple(master, "quota"); if (IS_ERR(sdp->sd_quota_inode)) { error = PTR_ERR(sdp->sd_quota_inode); fs_err(sdp, "can't get quota file inode: %d\n", error); @@ -571,8 +872,6 @@ fail_inum: iput(sdp->sd_inum_inode); fail_journal: init_journal(sdp, UNDO); -fail_master: - iput(sdp->sd_master_dir); fail: return error; } @@ -583,6 +882,7 @@ static int init_per_node(struct gfs2_sbd *sdp, int undo) char buf[30]; int error = 0; struct gfs2_inode *ip; + struct inode *master = sdp->sd_master_dir->d_inode; if (sdp->sd_args.ar_spectator) return 0; @@ -590,7 +890,7 @@ static int init_per_node(struct gfs2_sbd *sdp, int undo) if (undo) goto fail_qc_gh; - pn = gfs2_lookup_simple(sdp->sd_master_dir, "per_node"); + pn = gfs2_lookup_simple(master, "per_node"); if (IS_ERR(pn)) { error = PTR_ERR(pn); fs_err(sdp, "can't find per_node directory: %d\n", error); @@ -828,7 +1128,7 @@ static int fill_super(struct super_block *sb, void *data, int silent) if (error) goto fail_lm; - error = init_sb(sdp, silent, DO); + error = init_sb(sdp, silent); if (error) goto fail_locking; @@ -869,7 +1169,11 @@ fail_per_node: fail_inodes: init_inodes(sdp, UNDO); fail_sb: - init_sb(sdp, 0, UNDO); + if (sdp->sd_root_dir) + dput(sdp->sd_root_dir); + if (sdp->sd_master_dir) + dput(sdp->sd_master_dir); + sb->s_root = NULL; fail_locking: init_locking(sdp, &mount_gh, UNDO); fail_lm: @@ -887,151 +1191,60 @@ fail: } static int gfs2_get_sb(struct file_system_type *fs_type, int flags, - const char *dev_name, void *data, struct vfsmount *mnt) + const char *dev_name, void *data, struct vfsmount *mnt) { - struct super_block *sb; - struct gfs2_sbd *sdp; - int error = get_sb_bdev(fs_type, flags, dev_name, data, fill_super, mnt); - if (error) - goto out; - sb = mnt->mnt_sb; - sdp = sb->s_fs_info; - sdp->sd_gfs2mnt = mnt; -out: - return error; + return get_sb_bdev(fs_type, flags, dev_name, data, fill_super, mnt); } -static int fill_super_meta(struct super_block *sb, struct super_block *new, - void *data, int silent) +static struct super_block *get_gfs2_sb(const char *dev_name) { - struct gfs2_sbd *sdp = sb->s_fs_info; - struct inode *inode; - int error = 0; - - new->s_fs_info = sdp; - sdp->sd_vfs_meta = sb; - - init_vfs(new, SDF_NOATIME); - - /* Get the master inode */ - inode = igrab(sdp->sd_master_dir); - - new->s_root = d_alloc_root(inode); - if (!new->s_root) { - fs_err(sdp, "can't get root dentry\n"); - error = -ENOMEM; - iput(inode); - } else - new->s_root->d_op = &gfs2_dops; - - return error; -} - -static int set_bdev_super(struct super_block *s, void *data) -{ - s->s_bdev = data; - s->s_dev = s->s_bdev->bd_dev; - return 0; -} - -static int test_bdev_super(struct super_block *s, void *data) -{ - return s->s_bdev == data; -} - -static struct super_block* get_gfs2_sb(const char *dev_name) -{ - struct kstat stat; + struct super_block *sb; struct nameidata nd; - struct super_block *sb = NULL, *s; int error; error = path_lookup(dev_name, LOOKUP_FOLLOW, &nd); if (error) { - printk(KERN_WARNING "GFS2: path_lookup on %s returned error\n", - dev_name); - goto out; - } - error = vfs_getattr(nd.path.mnt, nd.path.dentry, &stat); - - list_for_each_entry(s, &gfs2_fs_type.fs_supers, s_instances) { - if ((S_ISBLK(stat.mode) && s->s_dev == stat.rdev) || - (S_ISDIR(stat.mode) && - s == nd.path.dentry->d_inode->i_sb)) { - sb = s; - goto free_nd; - } + printk(KERN_WARNING "GFS2: path_lookup on %s returned error %d\n", + dev_name, error); + return NULL; } - - printk(KERN_WARNING "GFS2: Unrecognized block device or " - "mount point %s\n", dev_name); - -free_nd: + sb = nd.path.dentry->d_inode->i_sb; + if (sb && (sb->s_type == &gfs2_fs_type)) + atomic_inc(&sb->s_active); + else + sb = NULL; path_put(&nd.path); -out: return sb; } static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) { - int error = 0; - struct super_block *sb = NULL, *new; + struct super_block *sb = NULL; struct gfs2_sbd *sdp; sb = get_gfs2_sb(dev_name); if (!sb) { printk(KERN_WARNING "GFS2: gfs2 mount does not exist\n"); - error = -ENOENT; - goto error; + return -ENOENT; } sdp = sb->s_fs_info; - if (sdp->sd_vfs_meta) { - printk(KERN_WARNING "GFS2: gfs2meta mount already exists\n"); - error = -EBUSY; - goto error; - } - down(&sb->s_bdev->bd_mount_sem); - new = sget(fs_type, test_bdev_super, set_bdev_super, sb->s_bdev); - up(&sb->s_bdev->bd_mount_sem); - if (IS_ERR(new)) { - error = PTR_ERR(new); - goto error; - } - new->s_flags = flags; - strlcpy(new->s_id, sb->s_id, sizeof(new->s_id)); - sb_set_blocksize(new, sb->s_blocksize); - error = fill_super_meta(sb, new, data, flags & MS_SILENT ? 1 : 0); - if (error) { - up_write(&new->s_umount); - deactivate_super(new); - goto error; - } - - new->s_flags |= MS_ACTIVE; - - /* Grab a reference to the gfs2 mount point */ - atomic_inc(&sdp->sd_gfs2mnt->mnt_count); - return simple_set_mnt(mnt, new); -error: - return error; + mnt->mnt_sb = sb; + mnt->mnt_root = dget(sdp->sd_master_dir); + return 0; } static void gfs2_kill_sb(struct super_block *sb) -{ - if (sb->s_fs_info) { - gfs2_delete_debugfs_file(sb->s_fs_info); - gfs2_meta_syncfs(sb->s_fs_info); - } - kill_block_super(sb); -} - -static void gfs2_kill_sb_meta(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - generic_shutdown_super(sb); - sdp->sd_vfs_meta = NULL; - atomic_dec(&sdp->sd_gfs2mnt->mnt_count); + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; + shrink_dcache_sb(sb); + kill_block_super(sb); + gfs2_delete_debugfs_file(sdp); } struct file_system_type gfs2_fs_type = { @@ -1046,7 +1259,6 @@ struct file_system_type gfs2meta_fs_type = { .name = "gfs2meta", .fs_flags = FS_REQUIRES_DEV, .get_sb = gfs2_get_sb_meta, - .kill_sb = gfs2_kill_sb_meta, .owner = THIS_MODULE, }; diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index f66ea0f7a356..8f332d26b5dd 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -62,6 +62,39 @@ static int gfs2_write_inode(struct inode *inode, int sync) return 0; } +/** + * gfs2_make_fs_ro - Turn a Read-Write FS into a Read-Only one + * @sdp: the filesystem + * + * Returns: errno + */ + +static int gfs2_make_fs_ro(struct gfs2_sbd *sdp) +{ + struct gfs2_holder t_gh; + int error; + + gfs2_quota_sync(sdp); + gfs2_statfs_sync(sdp); + + error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, GL_NOCACHE, + &t_gh); + if (error && !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) + return error; + + gfs2_meta_syncfs(sdp); + gfs2_log_shutdown(sdp); + + clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags); + + if (t_gh.gh_gl) + gfs2_glock_dq_uninit(&t_gh); + + gfs2_quota_cleanup(sdp); + + return error; +} + /** * gfs2_put_super - Unmount the filesystem * @sb: The VFS superblock @@ -73,12 +106,6 @@ static void gfs2_put_super(struct super_block *sb) struct gfs2_sbd *sdp = sb->s_fs_info; int error; - if (!sdp) - return; - - if (!strncmp(sb->s_type->name, "gfs2meta", 8)) - return; /* Nothing to do */ - /* Unfreeze the filesystem, if we need to */ mutex_lock(&sdp->sd_freeze_lock); @@ -101,7 +128,6 @@ static void gfs2_put_super(struct super_block *sb) /* Release stuff */ - iput(sdp->sd_master_dir); iput(sdp->sd_jindex); iput(sdp->sd_inum_inode); iput(sdp->sd_statfs_inode); @@ -152,6 +178,7 @@ static void gfs2_write_super(struct super_block *sb) * * Flushes the log to disk. */ + static int gfs2_sync_fs(struct super_block *sb, int wait) { sb->s_dirt = 0; @@ -295,6 +322,7 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) * inode's blocks, or alternatively pass the baton on to another * node for later deallocation. */ + static void gfs2_drop_inode(struct inode *inode) { struct gfs2_inode *ip = GFS2_I(inode); @@ -333,6 +361,16 @@ static void gfs2_clear_inode(struct inode *inode) } } +static int is_ancestor(const struct dentry *d1, const struct dentry *d2) +{ + do { + if (d1 == d2) + return 1; + d1 = d1->d_parent; + } while (!IS_ROOT(d1)); + return 0; +} + /** * gfs2_show_options - Show mount options for /proc/mounts * @s: seq_file structure @@ -346,6 +384,8 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) struct gfs2_sbd *sdp = mnt->mnt_sb->s_fs_info; struct gfs2_args *args = &sdp->sd_args; + if (is_ancestor(mnt->mnt_root, sdp->sd_master_dir)) + seq_printf(s, ",meta"); if (args->ar_lockproto[0]) seq_printf(s, ",lockproto=%s", args->ar_lockproto); if (args->ar_locktable[0]) @@ -414,6 +454,7 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) * conversion on the iopen lock, but we can change that later. This * is safe, just less efficient. */ + static void gfs2_delete_inode(struct inode *inode) { struct gfs2_sbd *sdp = inode->i_sb->s_fs_info; @@ -478,8 +519,6 @@ out: clear_inode(inode); } - - static struct inode *gfs2_alloc_inode(struct super_block *sb) { struct gfs2_inode *ip; diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index ca831991cbc2..c3ba3d9d0aac 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -33,313 +33,6 @@ #include "trans.h" #include "util.h" -static const u32 gfs2_old_fs_formats[] = { - 0 -}; - -static const u32 gfs2_old_multihost_formats[] = { - 0 -}; - -/** - * gfs2_tune_init - Fill a gfs2_tune structure with default values - * @gt: tune - * - */ - -void gfs2_tune_init(struct gfs2_tune *gt) -{ - spin_lock_init(>->gt_spin); - - gt->gt_demote_secs = 300; - gt->gt_incore_log_blocks = 1024; - gt->gt_log_flush_secs = 60; - gt->gt_recoverd_secs = 60; - gt->gt_logd_secs = 1; - gt->gt_quotad_secs = 5; - gt->gt_quota_simul_sync = 64; - gt->gt_quota_warn_period = 10; - gt->gt_quota_scale_num = 1; - gt->gt_quota_scale_den = 1; - gt->gt_quota_cache_secs = 300; - gt->gt_quota_quantum = 60; - gt->gt_atime_quantum = 3600; - gt->gt_new_files_jdata = 0; - gt->gt_max_readahead = 1 << 18; - gt->gt_stall_secs = 600; - gt->gt_complain_secs = 10; - gt->gt_statfs_quantum = 30; - gt->gt_statfs_slow = 0; -} - -/** - * gfs2_check_sb - Check superblock - * @sdp: the filesystem - * @sb: The superblock - * @silent: Don't print a message if the check fails - * - * Checks the version code of the FS is one that we understand how to - * read and that the sizes of the various on-disk structures have not - * changed. - */ - -int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent) -{ - unsigned int x; - - if (sb->sb_magic != GFS2_MAGIC || - sb->sb_type != GFS2_METATYPE_SB) { - if (!silent) - printk(KERN_WARNING "GFS2: not a GFS2 filesystem\n"); - return -EINVAL; - } - - /* If format numbers match exactly, we're done. */ - - if (sb->sb_fs_format == GFS2_FORMAT_FS && - sb->sb_multihost_format == GFS2_FORMAT_MULTI) - return 0; - - if (sb->sb_fs_format != GFS2_FORMAT_FS) { - for (x = 0; gfs2_old_fs_formats[x]; x++) - if (gfs2_old_fs_formats[x] == sb->sb_fs_format) - break; - - if (!gfs2_old_fs_formats[x]) { - printk(KERN_WARNING - "GFS2: code version (%u, %u) is incompatible " - "with ondisk format (%u, %u)\n", - GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, - sb->sb_fs_format, sb->sb_multihost_format); - printk(KERN_WARNING - "GFS2: I don't know how to upgrade this FS\n"); - return -EINVAL; - } - } - - if (sb->sb_multihost_format != GFS2_FORMAT_MULTI) { - for (x = 0; gfs2_old_multihost_formats[x]; x++) - if (gfs2_old_multihost_formats[x] == - sb->sb_multihost_format) - break; - - if (!gfs2_old_multihost_formats[x]) { - printk(KERN_WARNING - "GFS2: code version (%u, %u) is incompatible " - "with ondisk format (%u, %u)\n", - GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, - sb->sb_fs_format, sb->sb_multihost_format); - printk(KERN_WARNING - "GFS2: I don't know how to upgrade this FS\n"); - return -EINVAL; - } - } - - if (!sdp->sd_args.ar_upgrade) { - printk(KERN_WARNING - "GFS2: code version (%u, %u) is incompatible " - "with ondisk format (%u, %u)\n", - GFS2_FORMAT_FS, GFS2_FORMAT_MULTI, - sb->sb_fs_format, sb->sb_multihost_format); - printk(KERN_INFO - "GFS2: Use the \"upgrade\" mount option to upgrade " - "the FS\n"); - printk(KERN_INFO "GFS2: See the manual for more details\n"); - return -EINVAL; - } - - return 0; -} - - -static void end_bio_io_page(struct bio *bio, int error) -{ - struct page *page = bio->bi_private; - - if (!error) - SetPageUptodate(page); - else - printk(KERN_WARNING "gfs2: error %d reading superblock\n", error); - unlock_page(page); -} - -static void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf) -{ - const struct gfs2_sb *str = buf; - - sb->sb_magic = be32_to_cpu(str->sb_header.mh_magic); - sb->sb_type = be32_to_cpu(str->sb_header.mh_type); - sb->sb_format = be32_to_cpu(str->sb_header.mh_format); - sb->sb_fs_format = be32_to_cpu(str->sb_fs_format); - sb->sb_multihost_format = be32_to_cpu(str->sb_multihost_format); - sb->sb_bsize = be32_to_cpu(str->sb_bsize); - sb->sb_bsize_shift = be32_to_cpu(str->sb_bsize_shift); - sb->sb_master_dir.no_addr = be64_to_cpu(str->sb_master_dir.no_addr); - sb->sb_master_dir.no_formal_ino = be64_to_cpu(str->sb_master_dir.no_formal_ino); - sb->sb_root_dir.no_addr = be64_to_cpu(str->sb_root_dir.no_addr); - sb->sb_root_dir.no_formal_ino = be64_to_cpu(str->sb_root_dir.no_formal_ino); - - memcpy(sb->sb_lockproto, str->sb_lockproto, GFS2_LOCKNAME_LEN); - memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN); -} - -/** - * gfs2_read_super - Read the gfs2 super block from disk - * @sdp: The GFS2 super block - * @sector: The location of the super block - * @error: The error code to return - * - * This uses the bio functions to read the super block from disk - * because we want to be 100% sure that we never read cached data. - * A super block is read twice only during each GFS2 mount and is - * never written to by the filesystem. The first time its read no - * locks are held, and the only details which are looked at are those - * relating to the locking protocol. Once locking is up and working, - * the sb is read again under the lock to establish the location of - * the master directory (contains pointers to journals etc) and the - * root directory. - * - * Returns: 0 on success or error - */ - -int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector) -{ - struct super_block *sb = sdp->sd_vfs; - struct gfs2_sb *p; - struct page *page; - struct bio *bio; - - page = alloc_page(GFP_NOFS); - if (unlikely(!page)) - return -ENOBUFS; - - ClearPageUptodate(page); - ClearPageDirty(page); - lock_page(page); - - bio = bio_alloc(GFP_NOFS, 1); - if (unlikely(!bio)) { - __free_page(page); - return -ENOBUFS; - } - - bio->bi_sector = sector * (sb->s_blocksize >> 9); - bio->bi_bdev = sb->s_bdev; - bio_add_page(bio, page, PAGE_SIZE, 0); - - bio->bi_end_io = end_bio_io_page; - bio->bi_private = page; - submit_bio(READ_SYNC | (1 << BIO_RW_META), bio); - wait_on_page_locked(page); - bio_put(bio); - if (!PageUptodate(page)) { - __free_page(page); - return -EIO; - } - p = kmap(page); - gfs2_sb_in(&sdp->sd_sb, p); - kunmap(page); - __free_page(page); - return 0; -} - -/** - * gfs2_read_sb - Read super block - * @sdp: The GFS2 superblock - * @gl: the glock for the superblock (assumed to be held) - * @silent: Don't print message if mount fails - * - */ - -int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent) -{ - u32 hash_blocks, ind_blocks, leaf_blocks; - u32 tmp_blocks; - unsigned int x; - int error; - - error = gfs2_read_super(sdp, GFS2_SB_ADDR >> sdp->sd_fsb2bb_shift); - if (error) { - if (!silent) - fs_err(sdp, "can't read superblock\n"); - return error; - } - - error = gfs2_check_sb(sdp, &sdp->sd_sb, silent); - if (error) - return error; - - sdp->sd_fsb2bb_shift = sdp->sd_sb.sb_bsize_shift - - GFS2_BASIC_BLOCK_SHIFT; - sdp->sd_fsb2bb = 1 << sdp->sd_fsb2bb_shift; - sdp->sd_diptrs = (sdp->sd_sb.sb_bsize - - sizeof(struct gfs2_dinode)) / sizeof(u64); - sdp->sd_inptrs = (sdp->sd_sb.sb_bsize - - sizeof(struct gfs2_meta_header)) / sizeof(u64); - sdp->sd_jbsize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header); - sdp->sd_hash_bsize = sdp->sd_sb.sb_bsize / 2; - sdp->sd_hash_bsize_shift = sdp->sd_sb.sb_bsize_shift - 1; - sdp->sd_hash_ptrs = sdp->sd_hash_bsize / sizeof(u64); - sdp->sd_qc_per_block = (sdp->sd_sb.sb_bsize - - sizeof(struct gfs2_meta_header)) / - sizeof(struct gfs2_quota_change); - - /* Compute maximum reservation required to add a entry to a directory */ - - hash_blocks = DIV_ROUND_UP(sizeof(u64) * (1 << GFS2_DIR_MAX_DEPTH), - sdp->sd_jbsize); - - ind_blocks = 0; - for (tmp_blocks = hash_blocks; tmp_blocks > sdp->sd_diptrs;) { - tmp_blocks = DIV_ROUND_UP(tmp_blocks, sdp->sd_inptrs); - ind_blocks += tmp_blocks; - } - - leaf_blocks = 2 + GFS2_DIR_MAX_DEPTH; - - sdp->sd_max_dirres = hash_blocks + ind_blocks + leaf_blocks; - - sdp->sd_heightsize[0] = sdp->sd_sb.sb_bsize - - sizeof(struct gfs2_dinode); - sdp->sd_heightsize[1] = sdp->sd_sb.sb_bsize * sdp->sd_diptrs; - for (x = 2;; x++) { - u64 space, d; - u32 m; - - space = sdp->sd_heightsize[x - 1] * sdp->sd_inptrs; - d = space; - m = do_div(d, sdp->sd_inptrs); - - if (d != sdp->sd_heightsize[x - 1] || m) - break; - sdp->sd_heightsize[x] = space; - } - sdp->sd_max_height = x; - sdp->sd_heightsize[x] = ~0; - gfs2_assert(sdp, sdp->sd_max_height <= GFS2_MAX_META_HEIGHT); - - sdp->sd_jheightsize[0] = sdp->sd_sb.sb_bsize - - sizeof(struct gfs2_dinode); - sdp->sd_jheightsize[1] = sdp->sd_jbsize * sdp->sd_diptrs; - for (x = 2;; x++) { - u64 space, d; - u32 m; - - space = sdp->sd_jheightsize[x - 1] * sdp->sd_inptrs; - d = space; - m = do_div(d, sdp->sd_inptrs); - - if (d != sdp->sd_jheightsize[x - 1] || m) - break; - sdp->sd_jheightsize[x] = space; - } - sdp->sd_max_jheight = x; - sdp->sd_jheightsize[x] = ~0; - gfs2_assert(sdp, sdp->sd_max_jheight <= GFS2_MAX_META_HEIGHT); - - return 0; -} - /** * gfs2_jindex_hold - Grab a lock on the jindex * @sdp: The GFS2 superblock @@ -581,39 +274,6 @@ fail: return error; } -/** - * gfs2_make_fs_ro - Turn a Read-Write FS into a Read-Only one - * @sdp: the filesystem - * - * Returns: errno - */ - -int gfs2_make_fs_ro(struct gfs2_sbd *sdp) -{ - struct gfs2_holder t_gh; - int error; - - gfs2_quota_sync(sdp); - gfs2_statfs_sync(sdp); - - error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, GL_NOCACHE, - &t_gh); - if (error && !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - return error; - - gfs2_meta_syncfs(sdp); - gfs2_log_shutdown(sdp); - - clear_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags); - - if (t_gh.gh_gl) - gfs2_glock_dq_uninit(&t_gh); - - gfs2_quota_cleanup(sdp); - - return error; -} - static void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf) { const struct gfs2_statfs_change *str = buf; diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 44361ecc44f7..50a4c9b1215e 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -12,11 +12,6 @@ #include "incore.h" -void gfs2_tune_init(struct gfs2_tune *gt); - -int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent); -int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent); -int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector); void gfs2_lm_unmount(struct gfs2_sbd *sdp); static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) @@ -40,7 +35,6 @@ int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, struct gfs2_inode **ipp); int gfs2_make_fs_rw(struct gfs2_sbd *sdp); -int gfs2_make_fs_ro(struct gfs2_sbd *sdp); int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, -- GitLab From 72dbf4790fc6736f9cb54424245114acf0b0038c Mon Sep 17 00:00:00 2001 From: Bob Peterson Date: Tue, 12 Aug 2008 13:39:29 -0500 Subject: [PATCH 0311/6244] GFS2: rm on multiple nodes causes panic This patch fixes a problem whereby simultaneous unlink, rmdir, rename and link operations (e.g. rm -fR *) from multiple nodes on the same GFS2 file system can cause kernel panics, hangs, and/or memory corruption. It also gets rid of all the non-rgrp calls to gfs2_glock_nq_m. Signed-off-by: Bob Peterson Signed-off-by: Steven Whitehouse --- fs/gfs2/ops_inode.c | 56 ++++++++++++++++++++++++++++++--------------- 1 file changed, 38 insertions(+), 18 deletions(-) diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index e2c62f73a778..35f6f032a026 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -159,9 +159,13 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs); gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1); - error = gfs2_glock_nq_m(2, ghs); + error = gfs2_glock_nq(ghs); /* parent */ if (error) - goto out; + goto out_parent; + + error = gfs2_glock_nq(ghs + 1); /* child */ + if (error) + goto out_child; error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC); if (error) @@ -245,8 +249,10 @@ out_alloc: if (alloc_required) gfs2_alloc_put(dip); out_gunlock: - gfs2_glock_dq_m(2, ghs); -out: + gfs2_glock_dq(ghs + 1); +out_child: + gfs2_glock_dq(ghs); +out_parent: gfs2_holder_uninit(ghs); gfs2_holder_uninit(ghs + 1); if (!error) { @@ -302,7 +308,7 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry) error = gfs2_unlink_ok(dip, &dentry->d_name, ip); if (error) - goto out_rgrp; + goto out_gunlock; error = gfs2_trans_begin(sdp, 2*RES_DINODE + RES_LEAF + RES_RG_BIT, 0); if (error) @@ -316,6 +322,7 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry) out_end_trans: gfs2_trans_end(sdp); +out_gunlock: gfs2_glock_dq(ghs + 2); out_rgrp: gfs2_holder_uninit(ghs + 2); @@ -485,7 +492,6 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) struct gfs2_holder ri_gh; int error; - error = gfs2_rindex_hold(sdp, &ri_gh); if (error) return error; @@ -495,9 +501,17 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr); gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2); - error = gfs2_glock_nq_m(3, ghs); + error = gfs2_glock_nq(ghs); /* parent */ if (error) - goto out; + goto out_parent; + + error = gfs2_glock_nq(ghs + 1); /* child */ + if (error) + goto out_child; + + error = gfs2_glock_nq(ghs + 2); /* rgrp */ + if (error) + goto out_rgrp; error = gfs2_unlink_ok(dip, &dentry->d_name, ip); if (error) @@ -523,11 +537,15 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) gfs2_trans_end(sdp); out_gunlock: - gfs2_glock_dq_m(3, ghs); -out: - gfs2_holder_uninit(ghs); - gfs2_holder_uninit(ghs + 1); + gfs2_glock_dq(ghs + 2); +out_rgrp: gfs2_holder_uninit(ghs + 2); + gfs2_glock_dq(ghs + 1); +out_child: + gfs2_holder_uninit(ghs + 1); + gfs2_glock_dq(ghs); +out_parent: + gfs2_holder_uninit(ghs); gfs2_glock_dq_uninit(&ri_gh); return error; } @@ -639,9 +657,11 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, gfs2_holder_init(nrgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh++); } - error = gfs2_glock_nq_m(num_gh, ghs); - if (error) - goto out_uninit; + for (x = 0; x < num_gh; x++) { + error = gfs2_glock_nq(ghs + x); + if (error) + goto out_gunlock; + } /* Check out the old directory */ @@ -804,10 +824,10 @@ out_alloc: if (alloc_required) gfs2_alloc_put(ndip); out_gunlock: - gfs2_glock_dq_m(num_gh, ghs); -out_uninit: - for (x = 0; x < num_gh; x++) + while (x--) { + gfs2_glock_dq(ghs + x); gfs2_holder_uninit(ghs + x); + } out_gunlock_r: if (dir_rename) gfs2_glock_dq_uninit(&r_gh); -- GitLab From e88ba01544f8b8cce64d08b2982715516793225c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 6 Aug 2008 13:18:26 +0100 Subject: [PATCH 0312/6244] ALSA: ASoC: Add WM8580 CODEC driver The WM8580 is an audio CODEC designed for DVD and surround sound applications, offering three stereo DACs and a stereo ADC. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/wm8580.c | 1055 +++++++++++++++++++++++++++++++++++++ sound/soc/codecs/wm8580.h | 42 ++ 4 files changed, 1103 insertions(+) create mode 100644 sound/soc/codecs/wm8580.c create mode 100644 sound/soc/codecs/wm8580.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index d7bacf6c529c..eb79c5cab47a 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -5,6 +5,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_AK4535 select SND_SOC_UDA1380 select SND_SOC_WM8510 + select SND_SOC_WM8580 select SND_SOC_WM8731 select SND_SOC_WM8750 select SND_SOC_WM8753 @@ -38,6 +39,9 @@ config SND_SOC_UDA1380 config SND_SOC_WM8510 tristate +config SND_SOC_WM8580 + tristate + config SND_SOC_WM8731 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 98808d945ded..7c694ca6b850 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -3,6 +3,7 @@ snd-soc-ad1980-objs := ad1980.o snd-soc-ak4535-objs := ak4535.o snd-soc-uda1380-objs := uda1380.o snd-soc-wm8510-objs := wm8510.o +snd-soc-wm8580-objs := wm8580.o snd-soc-wm8731-objs := wm8731.o snd-soc-wm8750-objs := wm8750.o snd-soc-wm8753-objs := wm8753.o @@ -19,6 +20,7 @@ obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o obj-$(CONFIG_SND_SOC_WM8510) += snd-soc-wm8510.o +obj-$(CONFIG_SND_SOC_WM8580) += snd-soc-wm8580.o obj-$(CONFIG_SND_SOC_WM8731) += snd-soc-wm8731.o obj-$(CONFIG_SND_SOC_WM8750) += snd-soc-wm8750.o obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c new file mode 100644 index 000000000000..df1ffbe305bf --- /dev/null +++ b/sound/soc/codecs/wm8580.c @@ -0,0 +1,1055 @@ +/* + * wm8580.c -- WM8580 ALSA Soc Audio driver + * + * Copyright 2008 Wolfson Microelectronics PLC. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Notes: + * The WM8580 is a multichannel codec with S/PDIF support, featuring six + * DAC channels and two ADC channels. + * + * Currently only the primary audio interface is supported - S/PDIF and + * the secondary audio interfaces are not. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wm8580.h" + +#define AUDIO_NAME "wm8580" +#define WM8580_VERSION "0.1" + +struct pll_state { + unsigned int in; + unsigned int out; +}; + +/* codec private data */ +struct wm8580_priv { + struct pll_state a; + struct pll_state b; +}; + +/* WM8580 register space */ +#define WM8580_PLLA1 0x00 +#define WM8580_PLLA2 0x01 +#define WM8580_PLLA3 0x02 +#define WM8580_PLLA4 0x03 +#define WM8580_PLLB1 0x04 +#define WM8580_PLLB2 0x05 +#define WM8580_PLLB3 0x06 +#define WM8580_PLLB4 0x07 +#define WM8580_CLKSEL 0x08 +#define WM8580_PAIF1 0x09 +#define WM8580_PAIF2 0x0A +#define WM8580_SAIF1 0x0B +#define WM8580_PAIF3 0x0C +#define WM8580_PAIF4 0x0D +#define WM8580_SAIF2 0x0E +#define WM8580_DAC_CONTROL1 0x0F +#define WM8580_DAC_CONTROL2 0x10 +#define WM8580_DAC_CONTROL3 0x11 +#define WM8580_DAC_CONTROL4 0x12 +#define WM8580_DAC_CONTROL5 0x13 +#define WM8580_DIGITAL_ATTENUATION_DACL1 0x14 +#define WM8580_DIGITAL_ATTENUATION_DACR1 0x15 +#define WM8580_DIGITAL_ATTENUATION_DACL2 0x16 +#define WM8580_DIGITAL_ATTENUATION_DACR2 0x17 +#define WM8580_DIGITAL_ATTENUATION_DACL3 0x18 +#define WM8580_DIGITAL_ATTENUATION_DACR3 0x19 +#define WM8580_MASTER_DIGITAL_ATTENUATION 0x1C +#define WM8580_ADC_CONTROL1 0x1D +#define WM8580_SPDTXCHAN0 0x1E +#define WM8580_SPDTXCHAN1 0x1F +#define WM8580_SPDTXCHAN2 0x20 +#define WM8580_SPDTXCHAN3 0x21 +#define WM8580_SPDTXCHAN4 0x22 +#define WM8580_SPDTXCHAN5 0x23 +#define WM8580_SPDMODE 0x24 +#define WM8580_INTMASK 0x25 +#define WM8580_GPO1 0x26 +#define WM8580_GPO2 0x27 +#define WM8580_GPO3 0x28 +#define WM8580_GPO4 0x29 +#define WM8580_GPO5 0x2A +#define WM8580_INTSTAT 0x2B +#define WM8580_SPDRXCHAN1 0x2C +#define WM8580_SPDRXCHAN2 0x2D +#define WM8580_SPDRXCHAN3 0x2E +#define WM8580_SPDRXCHAN4 0x2F +#define WM8580_SPDRXCHAN5 0x30 +#define WM8580_SPDSTAT 0x31 +#define WM8580_PWRDN1 0x32 +#define WM8580_PWRDN2 0x33 +#define WM8580_READBACK 0x34 +#define WM8580_RESET 0x35 + +/* PLLB4 (register 7h) */ +#define WM8580_PLLB4_MCLKOUTSRC_MASK 0x60 +#define WM8580_PLLB4_MCLKOUTSRC_PLLA 0x20 +#define WM8580_PLLB4_MCLKOUTSRC_PLLB 0x40 +#define WM8580_PLLB4_MCLKOUTSRC_OSC 0x60 + +#define WM8580_PLLB4_CLKOUTSRC_MASK 0x180 +#define WM8580_PLLB4_CLKOUTSRC_PLLACLK 0x080 +#define WM8580_PLLB4_CLKOUTSRC_PLLBCLK 0x100 +#define WM8580_PLLB4_CLKOUTSRC_OSCCLK 0x180 + +/* CLKSEL (register 8h) */ +#define WM8580_CLKSEL_DAC_CLKSEL_MASK 0x03 +#define WM8580_CLKSEL_DAC_CLKSEL_PLLA 0x01 +#define WM8580_CLKSEL_DAC_CLKSEL_PLLB 0x02 + +/* AIF control 1 (registers 9h-bh) */ +#define WM8580_AIF_RATE_MASK 0x7 +#define WM8580_AIF_RATE_128 0x0 +#define WM8580_AIF_RATE_192 0x1 +#define WM8580_AIF_RATE_256 0x2 +#define WM8580_AIF_RATE_384 0x3 +#define WM8580_AIF_RATE_512 0x4 +#define WM8580_AIF_RATE_768 0x5 +#define WM8580_AIF_RATE_1152 0x6 + +#define WM8580_AIF_BCLKSEL_MASK 0x18 +#define WM8580_AIF_BCLKSEL_64 0x00 +#define WM8580_AIF_BCLKSEL_128 0x08 +#define WM8580_AIF_BCLKSEL_256 0x10 +#define WM8580_AIF_BCLKSEL_SYSCLK 0x18 + +#define WM8580_AIF_MS 0x20 + +#define WM8580_AIF_CLKSRC_MASK 0xc0 +#define WM8580_AIF_CLKSRC_PLLA 0x40 +#define WM8580_AIF_CLKSRC_PLLB 0x40 +#define WM8580_AIF_CLKSRC_MCLK 0xc0 + +/* AIF control 2 (registers ch-eh) */ +#define WM8580_AIF_FMT_MASK 0x03 +#define WM8580_AIF_FMT_RIGHTJ 0x00 +#define WM8580_AIF_FMT_LEFTJ 0x01 +#define WM8580_AIF_FMT_I2S 0x02 +#define WM8580_AIF_FMT_DSP 0x03 + +#define WM8580_AIF_LENGTH_MASK 0x0c +#define WM8580_AIF_LENGTH_16 0x00 +#define WM8580_AIF_LENGTH_20 0x04 +#define WM8580_AIF_LENGTH_24 0x08 +#define WM8580_AIF_LENGTH_32 0x0c + +#define WM8580_AIF_LRP 0x10 +#define WM8580_AIF_BCP 0x20 + +/* Powerdown Register 1 (register 32h) */ +#define WM8580_PWRDN1_PWDN 0x001 +#define WM8580_PWRDN1_ALLDACPD 0x040 + +/* Powerdown Register 2 (register 33h) */ +#define WM8580_PWRDN2_OSSCPD 0x001 +#define WM8580_PWRDN2_PLLAPD 0x002 +#define WM8580_PWRDN2_PLLBPD 0x004 +#define WM8580_PWRDN2_SPDIFPD 0x008 +#define WM8580_PWRDN2_SPDIFTXD 0x010 +#define WM8580_PWRDN2_SPDIFRXD 0x020 + +#define WM8580_DAC_CONTROL5_MUTEALL 0x10 + +/* + * wm8580 register cache + * We can't read the WM8580 register space when we + * are using 2 wire for device control, so we cache them instead. + */ +static const u16 wm8580_reg[] = { + 0x0121, 0x017e, 0x007d, 0x0014, /*R3*/ + 0x0121, 0x017e, 0x007d, 0x0194, /*R7*/ + 0x001c, 0x0002, 0x0002, 0x00c2, /*R11*/ + 0x0182, 0x0082, 0x000a, 0x0024, /*R15*/ + 0x0009, 0x0000, 0x00ff, 0x0000, /*R19*/ + 0x00ff, 0x00ff, 0x00ff, 0x00ff, /*R23*/ + 0x00ff, 0x00ff, 0x00ff, 0x00ff, /*R27*/ + 0x01f0, 0x0040, 0x0000, 0x0000, /*R31(0x1F)*/ + 0x0000, 0x0000, 0x0031, 0x000b, /*R35*/ + 0x0039, 0x0000, 0x0010, 0x0032, /*R39*/ + 0x0054, 0x0076, 0x0098, 0x0000, /*R43(0x2B)*/ + 0x0000, 0x0000, 0x0000, 0x0000, /*R47*/ + 0x0000, 0x0000, 0x005e, 0x003e, /*R51(0x33)*/ + 0x0000, 0x0000 /*R53*/ +}; + +/* + * read wm8580 register cache + */ +static inline unsigned int wm8580_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + BUG_ON(reg > ARRAY_SIZE(wm8580_reg)); + return cache[reg]; +} + +/* + * write wm8580 register cache + */ +static inline void wm8580_write_reg_cache(struct snd_soc_codec *codec, + unsigned int reg, unsigned int value) +{ + u16 *cache = codec->reg_cache; + + cache[reg] = value; +} + +/* + * write to the WM8580 register space + */ +static int wm8580_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u8 data[2]; + + BUG_ON(reg > ARRAY_SIZE(wm8580_reg)); + + /* Registers are 9 bits wide */ + value &= 0x1ff; + + switch (reg) { + case WM8580_RESET: + /* Uncached */ + break; + default: + if (value == wm8580_read_reg_cache(codec, reg)) + return 0; + } + + /* data is + * D15..D9 WM8580 register offset + * D8...D0 register data + */ + data[0] = (reg << 1) | ((value >> 8) & 0x0001); + data[1] = value & 0x00ff; + + wm8580_write_reg_cache(codec, reg, value); + if (codec->hw_write(codec->control_data, data, 2) == 2) + return 0; + else + return -EIO; +} + +static inline unsigned int wm8580_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + switch (reg) { + default: + return wm8580_read_reg_cache(codec, reg); + } +} + +static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); + +static int wm8580_out_vu(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + int reg = kcontrol->private_value & 0xff; + int reg2 = (kcontrol->private_value >> 24) & 0xff; + int ret; + u16 val; + + /* Clear the register cache so we write without VU set */ + wm8580_write_reg_cache(codec, reg, 0); + wm8580_write_reg_cache(codec, reg2, 0); + + ret = snd_soc_put_volsw_2r(kcontrol, ucontrol); + if (ret < 0) + return ret; + + /* Now write again with the volume update bit set */ + val = wm8580_read_reg_cache(codec, reg); + wm8580_write(codec, reg, val | 0x0100); + + val = wm8580_read_reg_cache(codec, reg2); + wm8580_write(codec, reg2, val | 0x0100); + + return 0; +} + +#define SOC_WM8580_OUT_DOUBLE_R_TLV(xname, reg_left, reg_right, shift, max, invert, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ + SNDRV_CTL_ELEM_ACCESS_READWRITE, \ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw_2r, \ + .get = snd_soc_get_volsw_2r, .put = wm8580_out_vu, \ + .private_value = (reg_left) | ((shift) << 8) | \ + ((max) << 12) | ((invert) << 20) | ((reg_right) << 24) } + +static const struct snd_kcontrol_new wm8580_snd_controls[] = { +SOC_WM8580_OUT_DOUBLE_R_TLV("DAC1 Playback Volume", + WM8580_DIGITAL_ATTENUATION_DACL1, + WM8580_DIGITAL_ATTENUATION_DACR1, + 0, 0xff, 0, dac_tlv), +SOC_WM8580_OUT_DOUBLE_R_TLV("DAC2 Playback Volume", + WM8580_DIGITAL_ATTENUATION_DACL2, + WM8580_DIGITAL_ATTENUATION_DACR2, + 0, 0xff, 0, dac_tlv), +SOC_WM8580_OUT_DOUBLE_R_TLV("DAC3 Playback Volume", + WM8580_DIGITAL_ATTENUATION_DACL3, + WM8580_DIGITAL_ATTENUATION_DACR3, + 0, 0xff, 0, dac_tlv), + +SOC_SINGLE("DAC1 Deemphasis Switch", WM8580_DAC_CONTROL3, 0, 1, 0), +SOC_SINGLE("DAC2 Deemphasis Switch", WM8580_DAC_CONTROL3, 1, 1, 0), +SOC_SINGLE("DAC3 Deemphasis Switch", WM8580_DAC_CONTROL3, 2, 1, 0), + +SOC_DOUBLE("DAC1 Invert Switch", WM8580_DAC_CONTROL4, 0, 1, 1, 0), +SOC_DOUBLE("DAC2 Invert Switch", WM8580_DAC_CONTROL4, 2, 3, 1, 0), +SOC_DOUBLE("DAC3 Invert Switch", WM8580_DAC_CONTROL4, 4, 5, 1, 0), + +SOC_SINGLE("DAC ZC Switch", WM8580_DAC_CONTROL5, 5, 1, 0), +SOC_SINGLE("DAC1 Switch", WM8580_DAC_CONTROL5, 0, 1, 0), +SOC_SINGLE("DAC2 Switch", WM8580_DAC_CONTROL5, 1, 1, 0), +SOC_SINGLE("DAC3 Switch", WM8580_DAC_CONTROL5, 2, 1, 0), + +SOC_DOUBLE("ADC Mute Switch", WM8580_ADC_CONTROL1, 0, 1, 1, 0), +SOC_SINGLE("ADC High-Pass Filter Switch", WM8580_ADC_CONTROL1, 4, 1, 0), +}; + +/* Add non-DAPM controls */ +static int wm8580_add_controls(struct snd_soc_codec *codec) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(wm8580_snd_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&wm8580_snd_controls[i], + codec, NULL)); + if (err < 0) + return err; + } + return 0; +} +static const struct snd_soc_dapm_widget wm8580_dapm_widgets[] = { +SND_SOC_DAPM_DAC("DAC1", "Playback", WM8580_PWRDN1, 2, 1), +SND_SOC_DAPM_DAC("DAC2", "Playback", WM8580_PWRDN1, 3, 1), +SND_SOC_DAPM_DAC("DAC3", "Playback", WM8580_PWRDN1, 4, 1), + +SND_SOC_DAPM_OUTPUT("VOUT1L"), +SND_SOC_DAPM_OUTPUT("VOUT1R"), +SND_SOC_DAPM_OUTPUT("VOUT2L"), +SND_SOC_DAPM_OUTPUT("VOUT2R"), +SND_SOC_DAPM_OUTPUT("VOUT3L"), +SND_SOC_DAPM_OUTPUT("VOUT3R"), + +SND_SOC_DAPM_ADC("ADC", "Capture", WM8580_PWRDN1, 1, 1), + +SND_SOC_DAPM_INPUT("AINL"), +SND_SOC_DAPM_INPUT("AINR"), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + { "VOUT1L", NULL, "DAC1" }, + { "VOUT1R", NULL, "DAC1" }, + + { "VOUT2L", NULL, "DAC2" }, + { "VOUT2R", NULL, "DAC2" }, + + { "VOUT3L", NULL, "DAC3" }, + { "VOUT3R", NULL, "DAC3" }, + + { "ADC", NULL, "AINL" }, + { "ADC", NULL, "AINR" }, +}; + +static int wm8580_add_widgets(struct snd_soc_codec *codec) +{ + snd_soc_dapm_new_controls(codec, wm8580_dapm_widgets, + ARRAY_SIZE(wm8580_dapm_widgets)); + + snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +/* PLL divisors */ +struct _pll_div { + u32 prescale:1; + u32 postscale:1; + u32 freqmode:2; + u32 n:4; + u32 k:24; +}; + +/* The size in bits of the pll divide */ +#define FIXED_PLL_SIZE (1 << 22) + +/* PLL rate to output rate divisions */ +static struct { + unsigned int div; + unsigned int freqmode; + unsigned int postscale; +} post_table[] = { + { 2, 0, 0 }, + { 4, 0, 1 }, + { 4, 1, 0 }, + { 8, 1, 1 }, + { 8, 2, 0 }, + { 16, 2, 1 }, + { 12, 3, 0 }, + { 24, 3, 1 } +}; + +static int pll_factors(struct _pll_div *pll_div, unsigned int target, + unsigned int source) +{ + u64 Kpart; + unsigned int K, Ndiv, Nmod; + int i; + + pr_debug("wm8580: PLL %dHz->%dHz\n", source, target); + + /* Scale the output frequency up; the PLL should run in the + * region of 90-100MHz. + */ + for (i = 0; i < ARRAY_SIZE(post_table); i++) { + if (target * post_table[i].div >= 90000000 && + target * post_table[i].div <= 100000000) { + pll_div->freqmode = post_table[i].freqmode; + pll_div->postscale = post_table[i].postscale; + target *= post_table[i].div; + break; + } + } + + if (i == ARRAY_SIZE(post_table)) { + printk(KERN_ERR "wm8580: Unable to scale output frequency " + "%u\n", target); + return -EINVAL; + } + + Ndiv = target / source; + + if (Ndiv < 5) { + source /= 2; + pll_div->prescale = 1; + Ndiv = target / source; + } else + pll_div->prescale = 0; + + if ((Ndiv < 5) || (Ndiv > 13)) { + printk(KERN_ERR + "WM8580 N=%d outside supported range\n", Ndiv); + return -EINVAL; + } + + pll_div->n = Ndiv; + Nmod = target % source; + Kpart = FIXED_PLL_SIZE * (long long)Nmod; + + do_div(Kpart, source); + + K = Kpart & 0xFFFFFFFF; + + pll_div->k = K; + + pr_debug("PLL %x.%x prescale %d freqmode %d postscale %d\n", + pll_div->n, pll_div->k, pll_div->prescale, pll_div->freqmode, + pll_div->postscale); + + return 0; +} + +static int wm8580_set_dai_pll(struct snd_soc_dai *codec_dai, + int pll_id, unsigned int freq_in, unsigned int freq_out) +{ + int offset; + struct snd_soc_codec *codec = codec_dai->codec; + struct wm8580_priv *wm8580 = codec->private_data; + struct pll_state *state; + struct _pll_div pll_div; + unsigned int reg; + unsigned int pwr_mask; + int ret; + + /* GCC isn't able to work out the ifs below for initialising/using + * pll_div so suppress warnings. + */ + memset(&pll_div, 0, sizeof(pll_div)); + + switch (pll_id) { + case WM8580_PLLA: + state = &wm8580->a; + offset = 0; + pwr_mask = WM8580_PWRDN2_PLLAPD; + break; + case WM8580_PLLB: + state = &wm8580->b; + offset = 4; + pwr_mask = WM8580_PWRDN2_PLLBPD; + break; + default: + return -ENODEV; + } + + if (freq_in && freq_out) { + ret = pll_factors(&pll_div, freq_out, freq_in); + if (ret != 0) + return ret; + } + + state->in = freq_in; + state->out = freq_out; + + /* Always disable the PLL - it is not safe to leave it running + * while reprogramming it. + */ + reg = wm8580_read(codec, WM8580_PWRDN2); + wm8580_write(codec, WM8580_PWRDN2, reg | pwr_mask); + + if (!freq_in || !freq_out) + return 0; + + wm8580_write(codec, WM8580_PLLA1 + offset, pll_div.k & 0x1ff); + wm8580_write(codec, WM8580_PLLA2 + offset, (pll_div.k >> 9) & 0xff); + wm8580_write(codec, WM8580_PLLA3 + offset, + (pll_div.k >> 18 & 0xf) | (pll_div.n << 4)); + + reg = wm8580_read(codec, WM8580_PLLA4 + offset); + reg &= ~0x3f; + reg |= pll_div.prescale | pll_div.postscale << 1 | + pll_div.freqmode << 4; + + wm8580_write(codec, WM8580_PLLA4 + offset, reg); + + /* All done, turn it on */ + reg = wm8580_read(codec, WM8580_PWRDN2); + wm8580_write(codec, WM8580_PWRDN2, reg & ~pwr_mask); + + return 0; +} + +/* + * Set PCM DAI bit size and sample rate. + */ +static int wm8580_paif_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai_link *dai = rtd->dai; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + u16 paifb = wm8580_read(codec, WM8580_PAIF3 + dai->codec_dai->id); + + paifb &= ~WM8580_AIF_LENGTH_MASK; + /* bit size */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + paifb |= WM8580_AIF_LENGTH_20; + break; + case SNDRV_PCM_FORMAT_S24_LE: + paifb |= WM8580_AIF_LENGTH_24; + break; + case SNDRV_PCM_FORMAT_S32_LE: + paifb |= WM8580_AIF_LENGTH_24; + break; + default: + return -EINVAL; + } + + wm8580_write(codec, WM8580_PAIF3 + dai->codec_dai->id, paifb); + return 0; +} + +static int wm8580_set_paif_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int aifa; + unsigned int aifb; + int can_invert_lrclk; + + aifa = wm8580_read(codec, WM8580_PAIF1 + codec_dai->id); + aifb = wm8580_read(codec, WM8580_PAIF3 + codec_dai->id); + + aifb &= ~(WM8580_AIF_FMT_MASK | WM8580_AIF_LRP | WM8580_AIF_BCP); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + aifa &= ~WM8580_AIF_MS; + break; + case SND_SOC_DAIFMT_CBM_CFM: + aifa |= WM8580_AIF_MS; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + can_invert_lrclk = 1; + aifb |= WM8580_AIF_FMT_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + can_invert_lrclk = 1; + aifb |= WM8580_AIF_FMT_RIGHTJ; + break; + case SND_SOC_DAIFMT_LEFT_J: + can_invert_lrclk = 1; + aifb |= WM8580_AIF_FMT_LEFTJ; + break; + case SND_SOC_DAIFMT_DSP_A: + can_invert_lrclk = 0; + aifb |= WM8580_AIF_FMT_DSP; + break; + case SND_SOC_DAIFMT_DSP_B: + can_invert_lrclk = 0; + aifb |= WM8580_AIF_FMT_DSP; + aifb |= WM8580_AIF_LRP; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + + case SND_SOC_DAIFMT_IB_IF: + if (!can_invert_lrclk) + return -EINVAL; + aifb |= WM8580_AIF_BCP; + aifb |= WM8580_AIF_LRP; + break; + + case SND_SOC_DAIFMT_IB_NF: + aifb |= WM8580_AIF_BCP; + break; + + case SND_SOC_DAIFMT_NB_IF: + if (!can_invert_lrclk) + return -EINVAL; + aifb |= WM8580_AIF_LRP; + break; + + default: + return -EINVAL; + } + + wm8580_write(codec, WM8580_PAIF1 + codec_dai->id, aifa); + wm8580_write(codec, WM8580_PAIF3 + codec_dai->id, aifb); + + return 0; +} + +static int wm8580_set_dai_clkdiv(struct snd_soc_dai *codec_dai, + int div_id, int div) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int reg; + + switch (div_id) { + case WM8580_MCLK: + reg = wm8580_read(codec, WM8580_PLLB4); + reg &= ~WM8580_PLLB4_MCLKOUTSRC_MASK; + + switch (div) { + case WM8580_CLKSRC_MCLK: + /* Input */ + break; + + case WM8580_CLKSRC_PLLA: + reg |= WM8580_PLLB4_MCLKOUTSRC_PLLA; + break; + case WM8580_CLKSRC_PLLB: + reg |= WM8580_PLLB4_MCLKOUTSRC_PLLB; + break; + + case WM8580_CLKSRC_OSC: + reg |= WM8580_PLLB4_MCLKOUTSRC_OSC; + break; + + default: + return -EINVAL; + } + wm8580_write(codec, WM8580_PLLB4, reg); + break; + + case WM8580_DAC_CLKSEL: + reg = wm8580_read(codec, WM8580_CLKSEL); + reg &= ~WM8580_CLKSEL_DAC_CLKSEL_MASK; + + switch (div) { + case WM8580_CLKSRC_MCLK: + break; + + case WM8580_CLKSRC_PLLA: + reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLA; + break; + + case WM8580_CLKSRC_PLLB: + reg |= WM8580_CLKSEL_DAC_CLKSEL_PLLB; + break; + + default: + return -EINVAL; + } + wm8580_write(codec, WM8580_CLKSEL, reg); + break; + + case WM8580_CLKOUTSRC: + reg = wm8580_read(codec, WM8580_PLLB4); + reg &= ~WM8580_PLLB4_CLKOUTSRC_MASK; + + switch (div) { + case WM8580_CLKSRC_NONE: + break; + + case WM8580_CLKSRC_PLLA: + reg |= WM8580_PLLB4_CLKOUTSRC_PLLACLK; + break; + + case WM8580_CLKSRC_PLLB: + reg |= WM8580_PLLB4_CLKOUTSRC_PLLBCLK; + break; + + case WM8580_CLKSRC_OSC: + reg |= WM8580_PLLB4_CLKOUTSRC_OSCCLK; + break; + + default: + return -EINVAL; + } + wm8580_write(codec, WM8580_PLLB4, reg); + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int wm8580_digital_mute(struct snd_soc_dai *codec_dai, int mute) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int reg; + + reg = wm8580_read(codec, WM8580_DAC_CONTROL5); + + if (mute) + reg |= WM8580_DAC_CONTROL5_MUTEALL; + else + reg &= ~WM8580_DAC_CONTROL5_MUTEALL; + + wm8580_write(codec, WM8580_DAC_CONTROL5, reg); + + return 0; +} + +static int wm8580_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + u16 reg; + switch (level) { + case SND_SOC_BIAS_ON: + case SND_SOC_BIAS_PREPARE: + case SND_SOC_BIAS_STANDBY: + break; + case SND_SOC_BIAS_OFF: + reg = wm8580_read(codec, WM8580_PWRDN1); + wm8580_write(codec, WM8580_PWRDN1, reg | WM8580_PWRDN1_PWDN); + break; + } + codec->bias_level = level; + return 0; +} + +#define WM8580_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +struct snd_soc_dai wm8580_dai[] = { + { + .name = "WM8580 PAIFRX", + .id = 0, + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 6, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = WM8580_FORMATS, + }, + .ops = { + .hw_params = wm8580_paif_hw_params, + }, + .dai_ops = { + .set_fmt = wm8580_set_paif_dai_fmt, + .set_clkdiv = wm8580_set_dai_clkdiv, + .set_pll = wm8580_set_dai_pll, + .digital_mute = wm8580_digital_mute, + }, + }, + { + .name = "WM8580 PAIFTX", + .id = 1, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = WM8580_FORMATS, + }, + .ops = { + .hw_params = wm8580_paif_hw_params, + }, + .dai_ops = { + .set_fmt = wm8580_set_paif_dai_fmt, + .set_clkdiv = wm8580_set_dai_clkdiv, + .set_pll = wm8580_set_dai_pll, + }, + }, +}; +EXPORT_SYMBOL_GPL(wm8580_dai); + +/* + * initialise the WM8580 driver + * register the mixer and dsp interfaces with the kernel + */ +static int wm8580_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int ret = 0; + + codec->name = "WM8580"; + codec->owner = THIS_MODULE; + codec->read = wm8580_read_reg_cache; + codec->write = wm8580_write; + codec->set_bias_level = wm8580_set_bias_level; + codec->dai = wm8580_dai; + codec->num_dai = ARRAY_SIZE(wm8580_dai); + codec->reg_cache_size = ARRAY_SIZE(wm8580_reg); + codec->reg_cache = kmemdup(wm8580_reg, sizeof(wm8580_reg), + GFP_KERNEL); + + if (codec->reg_cache == NULL) + return -ENOMEM; + + /* Get the codec into a known state */ + wm8580_write(codec, WM8580_RESET, 0); + + /* Power up and get individual control of the DACs */ + wm8580_write(codec, WM8580_PWRDN1, wm8580_read(codec, WM8580_PWRDN1) & + ~(WM8580_PWRDN1_PWDN | WM8580_PWRDN1_ALLDACPD)); + + /* Make VMID high impedence */ + wm8580_write(codec, WM8580_ADC_CONTROL1, + wm8580_read(codec, WM8580_ADC_CONTROL1) & ~0x100); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, + SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "wm8580: failed to create pcms\n"); + goto pcm_err; + } + + wm8580_add_controls(codec); + wm8580_add_widgets(codec); + + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "wm8580: failed to register card\n"); + goto card_err; + } + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + kfree(codec->reg_cache); + return ret; +} + +/* If the i2c layer weren't so broken, we could pass this kind of data + around */ +static struct snd_soc_device *wm8580_socdev; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + +/* + * WM8580 2 wire address is determined by GPIO5 + * state during powerup. + * low = 0x1a + * high = 0x1b + */ +static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END }; + +/* Magic definition of all other variables and things */ +I2C_CLIENT_INSMOD; + +static struct i2c_driver wm8580_i2c_driver; +static struct i2c_client client_template; + +static int wm8580_codec_probe(struct i2c_adapter *adap, int addr, int kind) +{ + struct snd_soc_device *socdev = wm8580_socdev; + struct wm8580_setup_data *setup = socdev->codec_data; + struct snd_soc_codec *codec = socdev->codec; + struct i2c_client *i2c; + int ret; + + if (addr != setup->i2c_address) + return -ENODEV; + + client_template.adapter = adap; + client_template.addr = addr; + + i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); + if (i2c == NULL) { + kfree(codec); + return -ENOMEM; + } + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = i2c_attach_client(i2c); + if (ret < 0) { + dev_err(&i2c->dev, "failed to attach codec at addr %x\n", addr); + goto err; + } + + ret = wm8580_init(socdev); + if (ret < 0) { + dev_err(&i2c->dev, "failed to initialise WM8580\n"); + goto err; + } + + return ret; + +err: + kfree(codec); + kfree(i2c); + return ret; +} + +static int wm8580_i2c_detach(struct i2c_client *client) +{ + struct snd_soc_codec *codec = i2c_get_clientdata(client); + i2c_detach_client(client); + kfree(codec->reg_cache); + kfree(client); + return 0; +} + +static int wm8580_i2c_attach(struct i2c_adapter *adap) +{ + return i2c_probe(adap, &addr_data, wm8580_codec_probe); +} + +/* corgi i2c codec control layer */ +static struct i2c_driver wm8580_i2c_driver = { + .driver = { + .name = "WM8580 I2C Codec", + .owner = THIS_MODULE, + }, + .attach_adapter = wm8580_i2c_attach, + .detach_client = wm8580_i2c_detach, + .command = NULL, +}; + +static struct i2c_client client_template = { + .name = "WM8580", + .driver = &wm8580_i2c_driver, +}; +#endif + +static int wm8580_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct wm8580_setup_data *setup; + struct snd_soc_codec *codec; + struct wm8580_priv *wm8580; + int ret = 0; + + pr_info("WM8580 Audio Codec %s\n", WM8580_VERSION); + + setup = socdev->codec_data; + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + wm8580 = kzalloc(sizeof(struct wm8580_priv), GFP_KERNEL); + if (wm8580 == NULL) { + kfree(codec); + return -ENOMEM; + } + + codec->private_data = wm8580; + socdev->codec = codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + wm8580_socdev = socdev; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + if (setup->i2c_address) { + normal_i2c[0] = setup->i2c_address; + codec->hw_write = (hw_write_t)i2c_master_send; + ret = i2c_add_driver(&wm8580_i2c_driver); + if (ret != 0) + printk(KERN_ERR "can't add i2c driver"); + } +#else + /* Add other interfaces here */ +#endif + return ret; +} + +/* power down chip */ +static int wm8580_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec->control_data) + wm8580_set_bias_level(codec, SND_SOC_BIAS_OFF); + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&wm8580_i2c_driver); +#endif + kfree(codec->private_data); + kfree(codec); + + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_wm8580 = { + .probe = wm8580_probe, + .remove = wm8580_remove, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_wm8580); + +MODULE_DESCRIPTION("ASoC WM8580 driver"); +MODULE_AUTHOR("Mark Brown "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm8580.h b/sound/soc/codecs/wm8580.h new file mode 100644 index 000000000000..589ddaba21d7 --- /dev/null +++ b/sound/soc/codecs/wm8580.h @@ -0,0 +1,42 @@ +/* + * wm8580.h -- audio driver for WM8580 + * + * Copyright 2008 Samsung Electronics. + * Author: Ryu Euiyoul + * ryu.real@gmail.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef _WM8580_H +#define _WM8580_H + +#define WM8580_PLLA 1 +#define WM8580_PLLB 2 + +#define WM8580_MCLK 1 +#define WM8580_DAC_CLKSEL 2 +#define WM8580_CLKOUTSRC 3 + +#define WM8580_CLKSRC_MCLK 1 +#define WM8580_CLKSRC_PLLA 2 +#define WM8580_CLKSRC_PLLB 3 +#define WM8580_CLKSRC_OSC 4 +#define WM8580_CLKSRC_NONE 5 + +struct wm8580_setup_data { + unsigned short i2c_address; +}; + +#define WM8580_DAI_PAIFRX 0 +#define WM8580_DAI_PAIFTX 1 + +extern struct snd_soc_dai wm8580_dai[]; +extern struct snd_soc_codec_device soc_codec_dev_wm8580; + +#endif + -- GitLab From 4f3ea08a129c15f64312cebfac1bfcc228f5caae Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Wed, 6 Aug 2008 15:01:01 -0500 Subject: [PATCH 0313/6244] ALSA: ASoC - fix DMA channel selection in Freescale MPC8610 sound drivers On the Freescale MPC8610, SSI1 is hard-coded to use DMA channels 0 and 1 for playback and capture, and SSI2 is hard-coded to use DMA channels 2 and 3. This patch fixes the fabric driver so that it uses the right channels. Signed-off-by: Timur Tabi Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/fsl/mpc8610_hpcd.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c index 4bdc9d8fc90e..94f89debde1f 100644 --- a/sound/soc/fsl/mpc8610_hpcd.c +++ b/sound/soc/fsl/mpc8610_hpcd.c @@ -68,10 +68,6 @@ static int mpc8610_hpcd_machine_probe(struct platform_device *sound_device) guts_set_pmuxcr_dma(machine_data->guts, machine_data->dma_id, machine_data->dma_channel_id[1], 0); - guts_set_pmuxcr_dma(machine_data->guts, 1, 0, 0); - guts_set_pmuxcr_dma(machine_data->guts, 1, 3, 0); - guts_set_pmuxcr_dma(machine_data->guts, 0, 3, 0); - switch (machine_data->ssi_id) { case 0: clrsetbits_be32(&machine_data->guts->pmuxcr, @@ -230,6 +226,8 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev, struct fsl_ssi_info ssi_info; struct fsl_dma_info dma_info; int ret = -ENODEV; + unsigned int playback_dma_channel; + unsigned int capture_dma_channel; machine_data = kzalloc(sizeof(struct mpc8610_hpcd_data), GFP_KERNEL); if (!machine_data) @@ -381,8 +379,9 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev, goto error; } - /* Find the DMA channels to use. For now, we always use the first DMA - controller. */ + /* Find the DMA channels to use. Both SSIs need to use the same DMA + * controller, so let's use DMA#1. + */ for_each_compatible_node(dma_np, NULL, "fsl,mpc8610-dma") { iprop = of_get_property(dma_np, "cell-index", NULL); if (iprop && (*iprop == 0)) { @@ -397,14 +396,19 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev, } machine_data->dma_id = *iprop; + /* SSI1 needs to use DMA Channels 0 and 1, and SSI2 needs to use DMA + * channels 2 and 3. This is just how the MPC8610 is wired + * internally. + */ + playback_dma_channel = (machine_data->ssi_id == 0) ? 0 : 2; + capture_dma_channel = (machine_data->ssi_id == 0) ? 1 : 3; + /* - * Find the DMA channels to use. For now, we always use DMA channel 0 - * for playback, and DMA channel 1 for capture. + * Find the DMA channels to use. */ while ((dma_channel_np = of_get_next_child(dma_np, dma_channel_np))) { iprop = of_get_property(dma_channel_np, "cell-index", NULL); - /* Is it DMA channel 0? */ - if (iprop && (*iprop == 0)) { + if (iprop && (*iprop == playback_dma_channel)) { /* dma_channel[0] and dma_irq[0] are for playback */ dma_info.dma_channel[0] = of_iomap(dma_channel_np, 0); dma_info.dma_irq[0] = @@ -412,7 +416,7 @@ static int mpc8610_hpcd_probe(struct of_device *ofdev, machine_data->dma_channel_id[0] = *iprop; continue; } - if (iprop && (*iprop == 1)) { + if (iprop && (*iprop == capture_dma_channel)) { /* dma_channel[1] and dma_irq[1] are for capture */ dma_info.dma_channel[1] = of_iomap(dma_channel_np, 0); dma_info.dma_irq[1] = -- GitLab From c534cc849097b84aae70c349770d982e20d0b16a Mon Sep 17 00:00:00 2001 From: roel kluin Date: Thu, 7 Aug 2008 15:56:22 -0400 Subject: [PATCH 0314/6244] ALSA: au88x0: clipping ceiling loop wrong in comment As is the clipping ceiling loop appears wrong anyways Signed-off-by: Roel Kluin Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/au88x0/au88x0_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/au88x0/au88x0_core.c b/sound/pci/au88x0/au88x0_core.c index 333c62de8620..1900fa6bc51e 100644 --- a/sound/pci/au88x0/au88x0_core.c +++ b/sound/pci/au88x0/au88x0_core.c @@ -427,7 +427,7 @@ static void vortex_mixer_init(vortex_t * vortex) /* Set clipping ceiling (this may be all wrong). */ /* - for (x = 0; x > 0x80; x++) { + for (x = 0; x < 0x80; x++) { hwwrite(vortex->mmio, VORTEX_MIXER_CLIP + (x << 2), 0x3ffff); } */ -- GitLab From 3caf8c080ef0bd0ccdc20bb57b150b6e40a86fd3 Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Fri, 8 Aug 2008 16:39:21 +0200 Subject: [PATCH 0315/6244] ALSA: wss_lib: missing closing brace in (ifdeffed out) debug function. Signed-off-by: Rene Herman Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/wss/wss_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 011da7a2315d..6b7a0fc6f71d 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -282,7 +282,7 @@ static void snd_wss_debug(struct snd_wss *chip) printk(KERN_DEBUG "CS4231 REGS: INDEX = 0x%02x " " STATUS = 0x%02x\n", - wss_inb(chip, CS4231P(REGSEL), + wss_inb(chip, CS4231P(REGSEL)), wss_inb(chip, CS4231P(STATUS))); printk(KERN_DEBUG " 0x00: left input = 0x%02x " -- GitLab From 5ef03460a6ffc1d3ee6b6f2abc6765d3e224cf89 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:06:01 +0200 Subject: [PATCH 0316/6244] ALSA: Introduce snd_BUG_ON() macro Introduced snd_BUG_ON() macro as a replacement of snd_assert() macro. snd_assert() is pretty ugly as it has the control flow in its argument. OTOH, snd_BUG_ON() behaves like a normal conditional, thus it's much easier to read the flow. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- .../alsa/DocBook/writing-an-alsa-driver.tmpl | 41 +++++++++++++++++++ include/sound/core.h | 4 ++ 2 files changed, 45 insertions(+) diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index e13c4e67029f..df699e4323ef 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -6173,6 +6173,47 @@ struct _snd_pcm_runtime { When no debug flag is set, this macro is ignored. + +
+ <function>snd_BUG_ON()</function> + + snd_BUG_ON() macro is similar with + WARN_ON() macro. For example, + + + + + + + + or it can be used as the condition, + + + + + + + + + + The macro takes an conditional expression to evaluate. + When CONFIG_SND_DEBUG, is set, the + expression is actually evaluated. If it's non-zero, it shows + the warning message such as + BUG? (xxx) + normally followed by stack trace. It returns the evaluated + value. + When no CONFIG_SND_DEBUG is set, this + macro always returns zero. + + +
+ diff --git a/include/sound/core.h b/include/sound/core.h index 1a4ff0bdcf6a..938c36a0e874 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -28,6 +28,7 @@ #include /* struct rw_semaphore */ #include /* pm_message_t */ #include +#include /* number of supported soundcards */ #ifdef CONFIG_SND_DYNAMIC_MINORS @@ -405,11 +406,14 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) dump_stack(); \ } while (0) +#define snd_BUG_ON(cond) WARN((cond), "BUG? (%s)\n", __stringify(cond)) + #else /* !CONFIG_SND_DEBUG */ #define snd_printd(fmt, args...) /* nothing */ #define snd_assert(expr, args...) (void)(expr) #define snd_BUG() /* nothing */ +#define snd_BUG_ON(cond) ({/*(void)(cond);*/ 0;}) /* always false */ #endif /* CONFIG_SND_DEBUG */ -- GitLab From 7eaa943c8ed8e91e05d0f5d0dc7a18e3319b45cf Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:09:09 +0200 Subject: [PATCH 0317/6244] ALSA: Kill snd_assert() in sound/core/* Kill snd_assert() in sound/core/*, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/pcm.h | 2 + sound/core/control.c | 50 +++++++----- sound/core/control_compat.c | 3 +- sound/core/device.c | 26 +++--- sound/core/hwdep.c | 16 ++-- sound/core/info.c | 23 ++++-- sound/core/info_oss.c | 6 +- sound/core/init.c | 3 +- sound/core/memalloc.c | 41 ++++------ sound/core/oss/copy.c | 30 ++++--- sound/core/oss/io.c | 24 ++++-- sound/core/oss/linear.c | 29 ++++--- sound/core/oss/mixer_oss.c | 18 ++-- sound/core/oss/mulaw.c | 27 +++--- sound/core/oss/pcm_oss.c | 52 ++++++++---- sound/core/oss/pcm_plugin.c | 38 ++++++--- sound/core/oss/rate.c | 42 ++++++---- sound/core/oss/route.c | 12 ++- sound/core/pcm.c | 34 ++++---- sound/core/pcm_compat.c | 3 +- sound/core/pcm_lib.c | 102 +++++++++++++---------- sound/core/pcm_memory.c | 14 ++-- sound/core/pcm_native.c | 127 +++++++++++++++-------------- sound/core/pcm_timer.c | 6 +- sound/core/rawmidi.c | 25 +++--- sound/core/rtctimer.c | 6 +- sound/core/seq/oss/seq_oss.c | 12 ++- sound/core/seq/oss/seq_oss_synth.c | 6 +- sound/core/seq/seq_clientmgr.c | 30 ++++--- sound/core/seq/seq_compat.c | 3 +- sound/core/seq/seq_device.c | 6 +- sound/core/seq/seq_fifo.c | 15 ++-- sound/core/seq/seq_memory.c | 12 ++- sound/core/seq/seq_midi.c | 15 ++-- sound/core/seq/seq_ports.c | 13 +-- sound/core/seq/seq_prioq.c | 4 +- sound/core/seq/seq_queue.c | 6 +- sound/core/seq/seq_timer.c | 24 ++++-- sound/core/sound.c | 12 ++- sound/core/sound_oss.c | 12 ++- sound/core/timer.c | 33 +++++--- sound/core/timer_compat.c | 9 +- 42 files changed, 583 insertions(+), 388 deletions(-) diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 5dd8ea4a8c4b..9ce74633e6ff 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1015,4 +1015,6 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max) (IEC958_AES1_CON_PCM_CODER<<8)|\ (IEC958_AES3_CON_FS_48000<<24)) +#define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime) + #endif /* __SOUND_PCM_H */ diff --git a/sound/core/control.c b/sound/core/control.c index 281b2e2ef0ea..3c5e746d619b 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -139,7 +139,8 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask, struct snd_ctl_file *ctl; struct snd_kctl_event *ev; - snd_assert(card != NULL && id != NULL, return); + if (snd_BUG_ON(!card || !id)) + return; read_lock(&card->ctl_files_rwlock); #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) card->mixer_oss_change_count++; @@ -188,8 +189,8 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control, struct snd_kcontrol *kctl; unsigned int idx; - snd_assert(control != NULL, return NULL); - snd_assert(control->count > 0, return NULL); + if (snd_BUG_ON(!control || !control->count)) + return NULL; kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL); if (kctl == NULL) { snd_printk(KERN_ERR "Cannot allocate control instance\n"); @@ -218,8 +219,8 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol, struct snd_kcontrol kctl; unsigned int access; - snd_assert(ncontrol != NULL, return NULL); - snd_assert(ncontrol->info != NULL, return NULL); + if (snd_BUG_ON(!ncontrol || !ncontrol->info)) + return NULL; memset(&kctl, 0, sizeof(kctl)); kctl.id.iface = ncontrol->iface; kctl.id.device = ncontrol->device; @@ -315,8 +316,8 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol) if (! kcontrol) return err; - snd_assert(card != NULL, goto error); - snd_assert(kcontrol->info != NULL, goto error); + if (snd_BUG_ON(!card || !kcontrol->info)) + goto error; id = kcontrol->id; down_write(&card->controls_rwsem); if (snd_ctl_find_id(card, &id)) { @@ -367,7 +368,8 @@ int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol) struct snd_ctl_elem_id id; unsigned int idx; - snd_assert(card != NULL && kcontrol != NULL, return -EINVAL); + if (snd_BUG_ON(!card || !kcontrol)) + return -EINVAL; list_del(&kcontrol->list); card->controls_count -= kcontrol->count; id = kcontrol->id; @@ -487,7 +489,8 @@ struct snd_kcontrol *snd_ctl_find_numid(struct snd_card *card, unsigned int numi { struct snd_kcontrol *kctl; - snd_assert(card != NULL && numid != 0, return NULL); + if (snd_BUG_ON(!card || !numid)) + return NULL; list_for_each_entry(kctl, &card->controls, list) { if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) return kctl; @@ -514,7 +517,8 @@ struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card, { struct snd_kcontrol *kctl; - snd_assert(card != NULL && id != NULL, return NULL); + if (snd_BUG_ON(!card || !id)) + return NULL; if (id->numid != 0) return snd_ctl_find_numid(card, id->numid); list_for_each_entry(kctl, &card->controls, list) { @@ -647,7 +651,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl, #endif result = kctl->info(kctl, info); if (result >= 0) { - snd_assert(info->access == 0, ); + snd_BUG_ON(info->access); index_offset = snd_ctl_get_ioff(kctl, &info->id); vd = &kctl->vd[index_offset]; snd_ctl_build_ioff(&info->id, kctl, index_offset); @@ -1160,7 +1164,8 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg ctl = file->private_data; card = ctl->card; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; switch (cmd) { case SNDRV_CTL_IOCTL_PVERSION: return put_user(SNDRV_CTL_VERSION, ip) ? -EFAULT : 0; @@ -1222,7 +1227,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, ssize_t result = 0; ctl = file->private_data; - snd_assert(ctl != NULL && ctl->card != NULL, return -ENXIO); + if (snd_BUG_ON(!ctl || !ctl->card)) + return -ENXIO; if (!ctl->subscribed) return -EBADFD; if (count < sizeof(struct snd_ctl_event)) @@ -1328,7 +1334,8 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, { struct snd_kctl_ioctl *p; - snd_assert(fcn != NULL, return -EINVAL); + if (snd_BUG_ON(!fcn)) + return -EINVAL; down_write(&snd_ioctl_rwsem); list_for_each_entry(p, lists, list) { if (p->fioctl == fcn) { @@ -1404,9 +1411,11 @@ static int snd_ctl_dev_register(struct snd_device *device) int err, cardnum; char name[16]; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; cardnum = card->number; - snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO); + if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS)) + return -ENXIO; sprintf(name, "controlC%i", cardnum); if ((err = snd_register_device(SNDRV_DEVICE_TYPE_CONTROL, card, -1, &snd_ctl_f_ops, card, name)) < 0) @@ -1423,9 +1432,11 @@ static int snd_ctl_dev_disconnect(struct snd_device *device) struct snd_ctl_file *ctl; int err, cardnum; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; cardnum = card->number; - snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO); + if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS)) + return -ENXIO; down_read(&card->controls_rwsem); list_for_each_entry(ctl, &card->ctl_files, list) { @@ -1469,7 +1480,8 @@ int snd_ctl_create(struct snd_card *card) .dev_disconnect = snd_ctl_dev_disconnect, }; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; return snd_device_new(card, SNDRV_DEV_CONTROL, card, &ops); } diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index 6101259ad860..368dc9c4aef8 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -398,7 +398,8 @@ static inline long snd_ctl_ioctl_compat(struct file *file, unsigned int cmd, uns int err; ctl = file->private_data; - snd_assert(ctl && ctl->card, return -ENXIO); + if (snd_BUG_ON(!ctl || !ctl->card)) + return -ENXIO; switch (cmd) { case SNDRV_CTL_IOCTL_PVERSION: diff --git a/sound/core/device.c b/sound/core/device.c index 202dac0e4d89..c58d8227254c 100644 --- a/sound/core/device.c +++ b/sound/core/device.c @@ -45,9 +45,8 @@ int snd_device_new(struct snd_card *card, snd_device_type_t type, { struct snd_device *dev; - snd_assert(card != NULL, return -ENXIO); - snd_assert(device_data != NULL, return -ENXIO); - snd_assert(ops != NULL, return -ENXIO); + if (snd_BUG_ON(!card || !device_data || !ops)) + return -ENXIO; dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) { snd_printk(KERN_ERR "Cannot allocate device\n"); @@ -80,8 +79,8 @@ int snd_device_free(struct snd_card *card, void *device_data) { struct snd_device *dev; - snd_assert(card != NULL, return -ENXIO); - snd_assert(device_data != NULL, return -ENXIO); + if (snd_BUG_ON(!card || !device_data)) + return -ENXIO; list_for_each_entry(dev, &card->devices, list) { if (dev->device_data != device_data) continue; @@ -123,8 +122,8 @@ int snd_device_disconnect(struct snd_card *card, void *device_data) { struct snd_device *dev; - snd_assert(card != NULL, return -ENXIO); - snd_assert(device_data != NULL, return -ENXIO); + if (snd_BUG_ON(!card || !device_data)) + return -ENXIO; list_for_each_entry(dev, &card->devices, list) { if (dev->device_data != device_data) continue; @@ -159,8 +158,8 @@ int snd_device_register(struct snd_card *card, void *device_data) struct snd_device *dev; int err; - snd_assert(card != NULL, return -ENXIO); - snd_assert(device_data != NULL, return -ENXIO); + if (snd_BUG_ON(!card || !device_data)) + return -ENXIO; list_for_each_entry(dev, &card->devices, list) { if (dev->device_data != device_data) continue; @@ -188,7 +187,8 @@ int snd_device_register_all(struct snd_card *card) struct snd_device *dev; int err; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; list_for_each_entry(dev, &card->devices, list) { if (dev->state == SNDRV_DEV_BUILD && dev->ops->dev_register) { if ((err = dev->ops->dev_register(dev)) < 0) @@ -208,7 +208,8 @@ int snd_device_disconnect_all(struct snd_card *card) struct snd_device *dev; int err = 0; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; list_for_each_entry(dev, &card->devices, list) { if (snd_device_disconnect(card, dev->device_data) < 0) err = -ENXIO; @@ -226,7 +227,8 @@ int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd) int err; unsigned int range_low, range_high; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; range_low = cmd * SNDRV_DEV_TYPE_RANGE_SIZE; range_high = range_low + SNDRV_DEV_TYPE_RANGE_SIZE - 1; __again: diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 6d6589f93899..195cafc5a553 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -353,9 +353,10 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device, .dev_disconnect = snd_hwdep_dev_disconnect, }; - snd_assert(rhwdep != NULL, return -EINVAL); - *rhwdep = NULL; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; + if (rhwdep) + *rhwdep = NULL; hwdep = kzalloc(sizeof(*hwdep), GFP_KERNEL); if (hwdep == NULL) { snd_printk(KERN_ERR "hwdep: cannot allocate\n"); @@ -374,13 +375,15 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device, } init_waitqueue_head(&hwdep->open_wait); mutex_init(&hwdep->open_mutex); - *rhwdep = hwdep; + if (rhwdep) + *rhwdep = hwdep; return 0; } static int snd_hwdep_free(struct snd_hwdep *hwdep) { - snd_assert(hwdep != NULL, return -ENXIO); + if (!hwdep) + return 0; if (hwdep->private_free) hwdep->private_free(hwdep); kfree(hwdep); @@ -440,7 +443,8 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device) { struct snd_hwdep *hwdep = device->device_data; - snd_assert(hwdep != NULL, return -ENXIO); + if (snd_BUG_ON(!hwdep)) + return -ENXIO; mutex_lock(®ister_mutex); if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep) { mutex_unlock(®ister_mutex); diff --git a/sound/core/info.c b/sound/core/info.c index c67773ad9298..527b207462b0 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -217,7 +217,8 @@ static ssize_t snd_info_entry_read(struct file *file, char __user *buffer, loff_t pos; data = file->private_data; - snd_assert(data != NULL, return -ENXIO); + if (snd_BUG_ON(!data)) + return -ENXIO; pos = *offset; if (pos < 0 || (long) pos != pos || (ssize_t) count < 0) return -EIO; @@ -258,7 +259,8 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer loff_t pos; data = file->private_data; - snd_assert(data != NULL, return -ENXIO); + if (snd_BUG_ON(!data)) + return -ENXIO; entry = data->entry; pos = *offset; if (pos < 0 || (long) pos != pos || (ssize_t) count < 0) @@ -614,7 +616,8 @@ int snd_info_card_create(struct snd_card *card) char str[8]; struct snd_info_entry *entry; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; sprintf(str, "card%i", card->number); if ((entry = snd_info_create_module_entry(card->module, str, NULL)) == NULL) @@ -636,7 +639,8 @@ int snd_info_card_register(struct snd_card *card) { struct proc_dir_entry *p; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; if (!strcmp(card->id, card->proc_root->name)) return 0; @@ -654,7 +658,8 @@ int snd_info_card_register(struct snd_card *card) */ void snd_info_card_disconnect(struct snd_card *card) { - snd_assert(card != NULL, return); + if (!card) + return; mutex_lock(&info_mutex); if (card->proc_root_link) { snd_remove_proc_entry(snd_proc_root, card->proc_root_link); @@ -671,7 +676,8 @@ void snd_info_card_disconnect(struct snd_card *card) */ int snd_info_card_free(struct snd_card *card) { - snd_assert(card != NULL, return -ENXIO); + if (!card) + return 0; snd_info_free_entry(card->proc_root); card->proc_root = NULL; return 0; @@ -849,7 +855,7 @@ static void snd_info_disconnect(struct snd_info_entry *entry) return; list_del_init(&entry->list); root = entry->parent == NULL ? snd_proc_root : entry->parent->p; - snd_assert(root, return); + snd_BUG_ON(!root); snd_remove_proc_entry(root, entry->p); entry->p = NULL; } @@ -947,7 +953,8 @@ int snd_info_register(struct snd_info_entry * entry) { struct proc_dir_entry *root, *p = NULL; - snd_assert(entry != NULL, return -ENXIO); + if (snd_BUG_ON(!entry)) + return -ENXIO; root = entry->parent == NULL ? snd_proc_root : entry->parent->p; mutex_lock(&info_mutex); p = snd_create_proc_entry(entry->name, entry->mode, root); diff --git a/sound/core/info_oss.c b/sound/core/info_oss.c index e35789a92752..e4af138d651a 100644 --- a/sound/core/info_oss.c +++ b/sound/core/info_oss.c @@ -43,8 +43,10 @@ int snd_oss_info_register(int dev, int num, char *string) { char *x; - snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO); - snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO); + if (snd_BUG_ON(dev < 0 || dev >= SNDRV_OSS_INFO_DEV_COUNT)) + return -ENXIO; + if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS)) + return -ENXIO; mutex_lock(&strings); if (string == NULL) { if ((x = snd_sndstat_strings[num][dev]) != NULL) { diff --git a/sound/core/init.c b/sound/core/init.c index df46bbc25dc2..8af467df9245 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -545,7 +545,8 @@ int snd_card_register(struct snd_card *card) { int err; - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; #ifndef CONFIG_SYSFS_DEPRECATED if (!card->card_dev) { card->card_dev = device_create_drvdata(sound_class, card->dev, diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index f5d6d8d12979..4a649976cc8a 100644 --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -67,18 +67,6 @@ struct snd_mem_list { /* id for pre-allocated buffers */ #define SNDRV_DMA_DEVICE_UNUSED (unsigned int)-1 -#ifdef CONFIG_SND_DEBUG -#define __ASTRING__(x) #x -#define snd_assert(expr, args...) do {\ - if (!(expr)) {\ - printk(KERN_ERR "snd-malloc: BUG? (%s) (called from %p)\n", __ASTRING__(expr), __builtin_return_address(0));\ - args;\ - }\ -} while (0) -#else -#define snd_assert(expr, args...) /**/ -#endif - /* * * Generic memory allocators @@ -111,8 +99,10 @@ void *snd_malloc_pages(size_t size, gfp_t gfp_flags) int pg; void *res; - snd_assert(size > 0, return NULL); - snd_assert(gfp_flags != 0, return NULL); + if (WARN_ON(!size)) + return NULL; + if (WARN_ON(!gfp_flags)) + return NULL; gfp_flags |= __GFP_COMP; /* compound page lets parts be mapped */ pg = get_order(size); if ((res = (void *) __get_free_pages(gfp_flags, pg)) != NULL) @@ -152,8 +142,8 @@ static void *snd_malloc_dev_pages(struct device *dev, size_t size, dma_addr_t *d void *res; gfp_t gfp_flags; - snd_assert(size > 0, return NULL); - snd_assert(dma != NULL, return NULL); + if (WARN_ON(!dma)) + return NULL; pg = get_order(size); gfp_flags = GFP_KERNEL | __GFP_COMP /* compound page lets parts be mapped */ @@ -189,8 +179,8 @@ static void *snd_malloc_sbus_pages(struct device *dev, size_t size, int pg; void *res; - snd_assert(size > 0, return NULL); - snd_assert(dma_addr != NULL, return NULL); + if (WARN_ON(!dma_addr)) + return NULL; pg = get_order(size); res = sbus_alloc_consistent(sdev, PAGE_SIZE * (1 << pg), dma_addr); if (res != NULL) @@ -236,8 +226,10 @@ static void snd_free_sbus_pages(struct device *dev, size_t size, int snd_dma_alloc_pages(int type, struct device *device, size_t size, struct snd_dma_buffer *dmab) { - snd_assert(size > 0, return -ENXIO); - snd_assert(dmab != NULL, return -ENXIO); + if (WARN_ON(!size)) + return -ENXIO; + if (WARN_ON(!dmab)) + return -ENXIO; dmab->dev.type = type; dmab->dev.dev = device; @@ -292,9 +284,6 @@ int snd_dma_alloc_pages_fallback(int type, struct device *device, size_t size, { int err; - snd_assert(size > 0, return -ENXIO); - snd_assert(dmab != NULL, return -ENXIO); - while ((err = snd_dma_alloc_pages(type, device, size, dmab)) < 0) { if (err != -ENOMEM) return err; @@ -353,7 +342,8 @@ size_t snd_dma_get_reserved_buf(struct snd_dma_buffer *dmab, unsigned int id) { struct snd_mem_list *mem; - snd_assert(dmab, return 0); + if (WARN_ON(!dmab)) + return 0; mutex_lock(&list_mutex); list_for_each_entry(mem, &mem_list_head, list) { @@ -387,7 +377,8 @@ int snd_dma_reserve_buf(struct snd_dma_buffer *dmab, unsigned int id) { struct snd_mem_list *mem; - snd_assert(dmab, return -EINVAL); + if (WARN_ON(!dmab)) + return -EINVAL; mem = kmalloc(sizeof(*mem), GFP_KERNEL); if (! mem) return -ENOMEM; diff --git a/sound/core/oss/copy.c b/sound/core/oss/copy.c index 9ded30d0e97d..05b58d4fc2b7 100644 --- a/sound/core/oss/copy.c +++ b/sound/core/oss/copy.c @@ -32,17 +32,18 @@ static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin, unsigned int channel; unsigned int nchannels; - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; if (frames == 0) return 0; nchannels = plugin->src_format.channels; for (channel = 0; channel < nchannels; channel++) { - snd_assert(src_channels->area.first % 8 == 0 && - src_channels->area.step % 8 == 0, - return -ENXIO); - snd_assert(dst_channels->area.first % 8 == 0 && - dst_channels->area.step % 8 == 0, - return -ENXIO); + if (snd_BUG_ON(src_channels->area.first % 8 || + src_channels->area.step % 8)) + return -ENXIO; + if (snd_BUG_ON(dst_channels->area.first % 8 || + dst_channels->area.step % 8)) + return -ENXIO; if (!src_channels->enabled) { if (dst_channels->wanted) snd_pcm_area_silence(&dst_channels->area, 0, frames, plugin->dst_format.format); @@ -66,15 +67,20 @@ int snd_pcm_plugin_build_copy(struct snd_pcm_substream *plug, struct snd_pcm_plugin *plugin; int width; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->format == dst_format->format, return -ENXIO); - snd_assert(src_format->rate == dst_format->rate, return -ENXIO); - snd_assert(src_format->channels == dst_format->channels, return -ENXIO); + if (snd_BUG_ON(src_format->format != dst_format->format)) + return -ENXIO; + if (snd_BUG_ON(src_format->rate != dst_format->rate)) + return -ENXIO; + if (snd_BUG_ON(src_format->channels != dst_format->channels)) + return -ENXIO; width = snd_pcm_format_physical_width(src_format->format); - snd_assert(width > 0, return -ENXIO); + if (snd_BUG_ON(width <= 0)) + return -ENXIO; err = snd_pcm_plugin_build(plug, "copy", src_format, dst_format, 0, &plugin); diff --git a/sound/core/oss/io.c b/sound/core/oss/io.c index f874f6ca3657..6faa1d719206 100644 --- a/sound/core/oss/io.c +++ b/sound/core/oss/io.c @@ -39,14 +39,17 @@ static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin, struct snd_pcm_plugin_channel *dst_channels, snd_pcm_uframes_t frames) { - snd_assert(plugin != NULL, return -ENXIO); - snd_assert(src_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; + if (snd_BUG_ON(!src_channels)) + return -ENXIO; if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { return pcm_write(plugin->plug, src_channels->area.addr, frames); } else { int channel, channels = plugin->dst_format.channels; void **bufs = (void**)plugin->extra_data; - snd_assert(bufs != NULL, return -ENXIO); + if (snd_BUG_ON(!bufs)) + return -ENXIO; for (channel = 0; channel < channels; channel++) { if (src_channels[channel].enabled) bufs[channel] = src_channels[channel].area.addr; @@ -62,14 +65,17 @@ static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin, struct snd_pcm_plugin_channel *dst_channels, snd_pcm_uframes_t frames) { - snd_assert(plugin != NULL, return -ENXIO); - snd_assert(dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; + if (snd_BUG_ON(!dst_channels)) + return -ENXIO; if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { return pcm_read(plugin->plug, dst_channels->area.addr, frames); } else { int channel, channels = plugin->dst_format.channels; void **bufs = (void**)plugin->extra_data; - snd_assert(bufs != NULL, return -ENXIO); + if (snd_BUG_ON(!bufs)) + return -ENXIO; for (channel = 0; channel < channels; channel++) { if (dst_channels[channel].enabled) bufs[channel] = dst_channels[channel].area.addr; @@ -107,9 +113,11 @@ int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug, struct snd_pcm_plugin_format format; struct snd_pcm_plugin *plugin; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(plug != NULL && params != NULL, return -ENXIO); + if (snd_BUG_ON(!plug || !params)) + return -ENXIO; format.format = params_format(params); format.rate = params_rate(params); format.channels = params_channels(params); diff --git a/sound/core/oss/linear.c b/sound/core/oss/linear.c index da3dbd41669e..4c1d16827199 100644 --- a/sound/core/oss/linear.c +++ b/sound/core/oss/linear.c @@ -92,7 +92,8 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, { struct linear_priv *data; - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; data = (struct linear_priv *)plugin->extra_data; if (frames == 0) return 0; @@ -100,12 +101,12 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin, { unsigned int channel; for (channel = 0; channel < plugin->src_format.channels; channel++) { - snd_assert(src_channels[channel].area.first % 8 == 0 && - src_channels[channel].area.step % 8 == 0, - return -ENXIO); - snd_assert(dst_channels[channel].area.first % 8 == 0 && - dst_channels[channel].area.step % 8 == 0, - return -ENXIO); + if (snd_BUG_ON(src_channels[channel].area.first % 8 || + src_channels[channel].area.step % 8)) + return -ENXIO; + if (snd_BUG_ON(dst_channels[channel].area.first % 8 || + dst_channels[channel].area.step % 8)) + return -ENXIO; } } #endif @@ -154,13 +155,17 @@ int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug, struct linear_priv *data; struct snd_pcm_plugin *plugin; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->rate == dst_format->rate, return -ENXIO); - snd_assert(src_format->channels == dst_format->channels, return -ENXIO); - snd_assert(snd_pcm_format_linear(src_format->format) && - snd_pcm_format_linear(dst_format->format), return -ENXIO); + if (snd_BUG_ON(src_format->rate != dst_format->rate)) + return -ENXIO; + if (snd_BUG_ON(src_format->channels != dst_format->channels)) + return -ENXIO; + if (snd_BUG_ON(!snd_pcm_format_linear(src_format->format) || + !snd_pcm_format_linear(dst_format->format))) + return -ENXIO; err = snd_pcm_plugin_build(plug, "linear format conversion", src_format, dst_format, diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 581aa2c60e65..4690b8b5681f 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -257,8 +257,10 @@ static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot) result = pslot->get_volume(fmixer, pslot, &left, &right); if (!pslot->stereo) right = left; - snd_assert(left >= 0 && left <= 100, return -EIO); - snd_assert(right >= 0 && right <= 100, return -EIO); + if (snd_BUG_ON(left < 0 || left > 100)) + return -EIO; + if (snd_BUG_ON(right < 0 || right > 100)) + return -EIO; if (result >= 0) { pslot->volume[0] = left; pslot->volume[1] = right; @@ -298,7 +300,8 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int int __user *p = argp; int tmp; - snd_assert(fmixer != NULL, return -ENXIO); + if (snd_BUG_ON(!fmixer)) + return -ENXIO; if (((cmd >> 8) & 0xff) == 'M') { switch (cmd) { case SOUND_MIXER_INFO: @@ -368,7 +371,8 @@ int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned l { struct snd_mixer_oss_file fmixer; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; if (card->mixer_oss == NULL) return -ENXIO; memset(&fmixer, 0, sizeof(fmixer)); @@ -1284,9 +1288,11 @@ static int snd_mixer_oss_free1(void *private) struct snd_card *card; int idx; - snd_assert(mixer != NULL, return -ENXIO); + if (!mixer) + return 0; card = mixer->card; - snd_assert(mixer == card->mixer_oss, return -ENXIO); + if (snd_BUG_ON(mixer != card->mixer_oss)) + return -ENXIO; card->mixer_oss = NULL; for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) { struct snd_mixer_oss_slot *chn = &mixer->slots[idx]; diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c index 77f96194a0ed..f7649d4d950b 100644 --- a/sound/core/oss/mulaw.c +++ b/sound/core/oss/mulaw.c @@ -252,19 +252,20 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin, { struct mulaw_priv *data; - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; if (frames == 0) return 0; #ifdef CONFIG_SND_DEBUG { unsigned int channel; for (channel = 0; channel < plugin->src_format.channels; channel++) { - snd_assert(src_channels[channel].area.first % 8 == 0 && - src_channels[channel].area.step % 8 == 0, - return -ENXIO); - snd_assert(dst_channels[channel].area.first % 8 == 0 && - dst_channels[channel].area.step % 8 == 0, - return -ENXIO); + if (snd_BUG_ON(src_channels[channel].area.first % 8 || + src_channels[channel].area.step % 8)) + return -ENXIO; + if (snd_BUG_ON(dst_channels[channel].area.first % 8 || + dst_channels[channel].area.step % 8)) + return -ENXIO; } } #endif @@ -305,11 +306,14 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, struct snd_pcm_plugin_format *format; mulaw_f func; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->rate == dst_format->rate, return -ENXIO); - snd_assert(src_format->channels == dst_format->channels, return -ENXIO); + if (snd_BUG_ON(src_format->rate != dst_format->rate)) + return -ENXIO; + if (snd_BUG_ON(src_format->channels != dst_format->channels)) + return -ENXIO; if (dst_format->format == SNDRV_PCM_FORMAT_MU_LAW) { format = src_format; @@ -323,7 +327,8 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, snd_BUG(); return -EINVAL; } - snd_assert(snd_pcm_format_linear(format->format) != 0, return -ENXIO); + if (snd_BUG_ON(!snd_pcm_format_linear(format->format))) + return -ENXIO; err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion", src_format, dst_format, diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 4c601b192ddf..1af62b8b86c6 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -452,7 +452,8 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm, } else { *params = *save; max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir); - snd_assert(max >= 0, return -EINVAL); + if (max < 0) + return max; last = 1; } _end: @@ -461,7 +462,7 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm, v = snd_pcm_hw_param_last(pcm, params, var, dir); else v = snd_pcm_hw_param_first(pcm, params, var, dir); - snd_assert(v >= 0, return -EINVAL); + snd_BUG_ON(v < 0); return v; } @@ -778,7 +779,8 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, while (oss_period_size * oss_periods > oss_buffer_size) oss_period_size /= 2; - snd_assert(oss_period_size >= 16, return -EINVAL); + if (oss_period_size < 16) + return -EINVAL; runtime->oss.period_bytes = oss_period_size; runtime->oss.period_frames = 1; runtime->oss.periods = oss_periods; @@ -895,7 +897,8 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) } } err = _snd_pcm_hw_param_set(sparams, SNDRV_PCM_HW_PARAM_FORMAT, sformat, 0); - snd_assert(err >= 0, goto failure); + if (err < 0) + goto failure; if (direct) { memcpy(params, sparams, sizeof(*params)); @@ -958,11 +961,13 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size); err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL); - snd_assert(err >= 0, goto failure); + if (err < 0) + goto failure; err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS, runtime->oss.periods, NULL); - snd_assert(err >= 0, goto failure); + if (err < 0) + goto failure; snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL); @@ -1006,7 +1011,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) runtime->oss.periods = params_periods(sparams); oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams)); - snd_assert(oss_period_size >= 0, err = -EINVAL; goto failure); + if (oss_period_size < 0) { + err = -EINVAL; + goto failure; + } #ifdef CONFIG_SND_PCM_OSS_PLUGINS if (runtime->oss.plugin_first) { err = snd_pcm_plug_alloc(substream, oss_period_size); @@ -1017,7 +1025,10 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream) oss_period_size *= oss_frame_size; oss_buffer_size = oss_period_size * runtime->oss.periods; - snd_assert(oss_buffer_size >= 0, err = -EINVAL; goto failure); + if (oss_buffer_size < 0) { + err = -EINVAL; + goto failure; + } runtime->oss.period_bytes = oss_period_size; runtime->oss.buffer_bytes = oss_buffer_size; @@ -1069,7 +1080,8 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil return err; } } - snd_assert(asubstream != NULL, return -EIO); + if (!asubstream) + return -EIO; if (r_substream) *r_substream = asubstream; return 0; @@ -1764,7 +1776,8 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file) err = snd_pcm_hw_refine(substream, params); format_mask = *hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); kfree(params); - snd_assert(err >= 0, return err); + if (err < 0) + return err; for (fmt = 0; fmt < 32; ++fmt) { if (snd_mask_test(&format_mask, fmt)) { int f = snd_pcm_oss_format_to(fmt); @@ -2250,7 +2263,8 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream, static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file) { int cidx; - snd_assert(pcm_oss_file != NULL, return -ENXIO); + if (!pcm_oss_file) + return 0; for (cidx = 0; cidx < 2; ++cidx) { struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx]; if (substream) @@ -2271,8 +2285,8 @@ static int snd_pcm_oss_open_file(struct file *file, struct snd_pcm_substream *substream; unsigned int f_mode = file->f_mode; - snd_assert(rpcm_oss_file != NULL, return -EINVAL); - *rpcm_oss_file = NULL; + if (rpcm_oss_file) + *rpcm_oss_file = NULL; pcm_oss_file = kzalloc(sizeof(*pcm_oss_file), GFP_KERNEL); if (pcm_oss_file == NULL) @@ -2312,7 +2326,8 @@ static int snd_pcm_oss_open_file(struct file *file, } file->private_data = pcm_oss_file; - *rpcm_oss_file = pcm_oss_file; + if (rpcm_oss_file) + *rpcm_oss_file = pcm_oss_file; return 0; } @@ -2321,7 +2336,8 @@ static int snd_task_name(struct task_struct *task, char *name, size_t size) { unsigned int idx; - snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL); + if (snd_BUG_ON(!task || !name || size < 2)) + return -EINVAL; for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++) name[idx] = task->comm[idx]; name[idx] = '\0'; @@ -2415,7 +2431,8 @@ static int snd_pcm_oss_release(struct inode *inode, struct file *file) substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK]; if (substream == NULL) substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE]; - snd_assert(substream != NULL, return -ENXIO); + if (snd_BUG_ON(!substream)) + return -ENXIO; pcm = substream->pcm; if (!pcm->card->shutdown) snd_pcm_oss_sync(pcm_oss_file); @@ -2448,7 +2465,8 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long if (substream != NULL) break; } - snd_assert(substream != NULL, return -ENXIO); + if (snd_BUG_ON(idx >= 2)) + return -ENXIO; return snd_mixer_oss_ioctl_card(substream->pcm->card, cmd, arg); } #endif diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c index bec94138205e..6751daa3bb50 100644 --- a/sound/core/oss/pcm_plugin.c +++ b/sound/core/oss/pcm_plugin.c @@ -62,7 +62,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t if ((width = snd_pcm_format_physical_width(format->format)) < 0) return width; size = frames * format->channels * width; - snd_assert((size % 8) == 0, return -ENXIO); + if (snd_BUG_ON(size % 8)) + return -ENXIO; size /= 8; if (plugin->buf_frames < frames) { vfree(plugin->buf); @@ -84,7 +85,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t c->area.step = format->channels * width; } } else if (plugin->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) { - snd_assert((size % format->channels) == 0,); + if (snd_BUG_ON(size % format->channels)) + return -EINVAL; size /= format->channels; for (channel = 0; channel < format->channels; channel++, c++) { c->frames = frames; @@ -102,13 +104,15 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames) { int err; - snd_assert(snd_pcm_plug_first(plug) != NULL, return -ENXIO); + if (snd_BUG_ON(!snd_pcm_plug_first(plug))) + return -ENXIO; if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) { struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug); while (plugin->next) { if (plugin->dst_frames) frames = plugin->dst_frames(plugin, frames); - snd_assert(frames > 0, return -ENXIO); + if (snd_BUG_ON(frames <= 0)) + return -ENXIO; plugin = plugin->next; err = snd_pcm_plugin_alloc(plugin, frames); if (err < 0) @@ -119,7 +123,8 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames) while (plugin->prev) { if (plugin->src_frames) frames = plugin->src_frames(plugin, frames); - snd_assert(frames > 0, return -ENXIO); + if (snd_BUG_ON(frames <= 0)) + return -ENXIO; plugin = plugin->prev; err = snd_pcm_plugin_alloc(plugin, frames); if (err < 0) @@ -148,8 +153,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug, struct snd_pcm_plugin *plugin; unsigned int channels; - snd_assert(plug != NULL, return -ENXIO); - snd_assert(src_format != NULL && dst_format != NULL, return -ENXIO); + if (snd_BUG_ON(!plug)) + return -ENXIO; + if (snd_BUG_ON(!src_format || !dst_format)) + return -ENXIO; plugin = kzalloc(sizeof(*plugin) + extra, GFP_KERNEL); if (plugin == NULL) return -ENOMEM; @@ -159,10 +166,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug, plugin->access = SNDRV_PCM_ACCESS_RW_INTERLEAVED; plugin->src_format = *src_format; plugin->src_width = snd_pcm_format_physical_width(src_format->format); - snd_assert(plugin->src_width > 0, ); + snd_BUG_ON(plugin->src_width <= 0); plugin->dst_format = *dst_format; plugin->dst_width = snd_pcm_format_physical_width(dst_format->format); - snd_assert(plugin->dst_width > 0, ); + snd_BUG_ON(plugin->dst_width <= 0); if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK) channels = src_format->channels; else @@ -194,7 +201,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next; int stream = snd_pcm_plug_stream(plug); - snd_assert(plug != NULL, return -ENXIO); + if (snd_BUG_ON(!plug)) + return -ENXIO; if (drv_frames == 0) return 0; if (stream == SNDRV_PCM_STREAM_PLAYBACK) { @@ -224,7 +232,8 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc snd_pcm_sframes_t frames; int stream = snd_pcm_plug_stream(plug); - snd_assert(plug != NULL, return -ENXIO); + if (snd_BUG_ON(!plug)) + return -ENXIO; if (clt_frames == 0) return 0; frames = clt_frames; @@ -540,7 +549,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu int width, nchannels, channel; int stream = snd_pcm_plug_stream(plug); - snd_assert(buf != NULL, return -ENXIO); + if (snd_BUG_ON(!buf)) + return -ENXIO; if (stream == SNDRV_PCM_STREAM_PLAYBACK) { plugin = snd_pcm_plug_first(plug); format = &plugin->src_format; @@ -553,7 +563,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu if ((width = snd_pcm_format_physical_width(format->format)) < 0) return width; nchannels = format->channels; - snd_assert(plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || format->channels <= 1, return -ENXIO); + if (snd_BUG_ON(plugin->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED && + format->channels > 1)) + return -ENXIO; for (channel = 0; channel < nchannels; channel++, v++) { v->frames = count; v->enabled = 1; diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c index 14dfb3175d84..a466443c4a26 100644 --- a/sound/core/oss/rate.c +++ b/sound/core/oss/rate.c @@ -185,7 +185,8 @@ static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_ struct rate_priv *data; snd_pcm_sframes_t res; - snd_assert(plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; if (frames == 0) return 0; data = (struct rate_priv *)plugin->extra_data; @@ -217,7 +218,8 @@ static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_ struct rate_priv *data; snd_pcm_sframes_t res; - snd_assert(plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; if (frames == 0) return 0; data = (struct rate_priv *)plugin->extra_data; @@ -252,19 +254,20 @@ static snd_pcm_sframes_t rate_transfer(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames; struct rate_priv *data; - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; if (frames == 0) return 0; #ifdef CONFIG_SND_DEBUG { unsigned int channel; for (channel = 0; channel < plugin->src_format.channels; channel++) { - snd_assert(src_channels[channel].area.first % 8 == 0 && - src_channels[channel].area.step % 8 == 0, - return -ENXIO); - snd_assert(dst_channels[channel].area.first % 8 == 0 && - dst_channels[channel].area.step % 8 == 0, - return -ENXIO); + if (snd_BUG_ON(src_channels[channel].area.first % 8 || + src_channels[channel].area.step % 8)) + return -ENXIO; + if (snd_BUG_ON(dst_channels[channel].area.first % 8 || + dst_channels[channel].area.step % 8)) + return -ENXIO; } } #endif @@ -281,7 +284,8 @@ static int rate_action(struct snd_pcm_plugin *plugin, enum snd_pcm_plugin_action action, unsigned long udata) { - snd_assert(plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; switch (action) { case INIT: case PREPARE: @@ -302,14 +306,20 @@ int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug, struct rate_priv *data; struct snd_pcm_plugin *plugin; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->channels == dst_format->channels, return -ENXIO); - snd_assert(src_format->channels > 0, return -ENXIO); - snd_assert(src_format->format == SNDRV_PCM_FORMAT_S16, return -ENXIO); - snd_assert(dst_format->format == SNDRV_PCM_FORMAT_S16, return -ENXIO); - snd_assert(src_format->rate != dst_format->rate, return -ENXIO); + if (snd_BUG_ON(src_format->channels != dst_format->channels)) + return -ENXIO; + if (snd_BUG_ON(src_format->channels <= 0)) + return -ENXIO; + if (snd_BUG_ON(src_format->format != SNDRV_PCM_FORMAT_S16)) + return -ENXIO; + if (snd_BUG_ON(dst_format->format != SNDRV_PCM_FORMAT_S16)) + return -ENXIO; + if (snd_BUG_ON(src_format->rate == dst_format->rate)) + return -ENXIO; err = snd_pcm_plugin_build(plug, "rate conversion", src_format, dst_format, diff --git a/sound/core/oss/route.c b/sound/core/oss/route.c index da7ab7a3e82c..0dcc2870d537 100644 --- a/sound/core/oss/route.c +++ b/sound/core/oss/route.c @@ -54,7 +54,8 @@ static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin, struct snd_pcm_plugin_channel *dvp; int format; - snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin || !src_channels || !dst_channels)) + return -ENXIO; if (frames == 0) return 0; @@ -90,10 +91,13 @@ int snd_pcm_plugin_build_route(struct snd_pcm_substream *plug, struct snd_pcm_plugin *plugin; int err; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(src_format->rate == dst_format->rate, return -ENXIO); - snd_assert(src_format->format == dst_format->format, return -ENXIO); + if (snd_BUG_ON(src_format->rate != dst_format->rate)) + return -ENXIO; + if (snd_BUG_ON(src_format->format != dst_format->format)) + return -ENXIO; err = snd_pcm_plugin_build(plug, "route conversion", src_format, dst_format, 0, &plugin); diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 517388b2eba9..192a433a2403 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -256,7 +256,6 @@ static char *snd_pcm_tstamp_mode_names[] = { static const char *snd_pcm_stream_name(int stream) { - snd_assert(stream <= SNDRV_PCM_STREAM_LAST, return NULL); return snd_pcm_stream_names[stream]; } @@ -272,7 +271,6 @@ static const char *snd_pcm_subformat_name(snd_pcm_subformat_t subformat) static const char *snd_pcm_tstamp_mode_name(int mode) { - snd_assert(mode <= SNDRV_PCM_TSTAMP_LAST, return NULL); return snd_pcm_tstamp_mode_names[mode]; } @@ -706,9 +704,10 @@ int snd_pcm_new(struct snd_card *card, char *id, int device, .dev_disconnect = snd_pcm_dev_disconnect, }; - snd_assert(rpcm != NULL, return -EINVAL); - *rpcm = NULL; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; + if (rpcm) + *rpcm = NULL; pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); if (pcm == NULL) { snd_printk(KERN_ERR "Cannot allocate PCM\n"); @@ -732,7 +731,8 @@ int snd_pcm_new(struct snd_card *card, char *id, int device, snd_pcm_free(pcm); return err; } - *rpcm = pcm; + if (rpcm) + *rpcm = pcm; return 0; } @@ -766,7 +766,8 @@ static int snd_pcm_free(struct snd_pcm *pcm) { struct snd_pcm_notify *notify; - snd_assert(pcm != NULL, return -ENXIO); + if (!pcm) + return 0; list_for_each_entry(notify, &snd_pcm_notify_list, list) { notify->n_unregister(pcm); } @@ -797,9 +798,9 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, int prefer_subdevice = -1; size_t size; - snd_assert(rsubstream != NULL, return -EINVAL); + if (snd_BUG_ON(!pcm || !rsubstream)) + return -ENXIO; *rsubstream = NULL; - snd_assert(pcm != NULL, return -ENXIO); pstr = &pcm->streams[stream]; if (pstr->substream == NULL || pstr->substream_count == 0) return -ENODEV; @@ -907,8 +908,9 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime; + if (PCM_RUNTIME_CHECK(substream)) + return; runtime = substream->runtime; - snd_assert(runtime != NULL, return); if (runtime->private_free != NULL) runtime->private_free(runtime); snd_free_pages((void*)runtime->status, @@ -953,7 +955,8 @@ static int snd_pcm_dev_register(struct snd_device *device) struct snd_pcm *pcm = device->device_data; struct device *dev; - snd_assert(pcm != NULL && device != NULL, return -ENXIO); + if (snd_BUG_ON(!pcm || !device)) + return -ENXIO; mutex_lock(®ister_mutex); err = snd_pcm_add(pcm); if (err) { @@ -1043,10 +1046,11 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree) { struct snd_pcm *pcm; - snd_assert(notify != NULL && - notify->n_register != NULL && - notify->n_unregister != NULL && - notify->n_disconnect, return -EINVAL); + if (snd_BUG_ON(!notify || + !notify->n_register || + !notify->n_unregister || + !notify->n_disconnect)) + return -EINVAL; mutex_lock(®ister_mutex); if (nfree) { list_del(¬ify->list); diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index 49aa693fba8a..36d7a5998234 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c @@ -397,7 +397,8 @@ static int snd_pcm_ioctl_sync_ptr_compat(struct snd_pcm_substream *substream, snd_pcm_uframes_t boundary; int err; - snd_assert(runtime, return -EINVAL); + if (snd_BUG_ON(!runtime)) + return -EINVAL; if (get_user(sflags, &src->flags) || get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 1533f0379e9d..6ea5cfb83998 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -85,7 +85,8 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram } frames = runtime->buffer_size - runtime->silence_filled; } - snd_assert(frames <= runtime->buffer_size, return); + if (snd_BUG_ON(frames > runtime->buffer_size)) + return; if (frames == 0) return; ofs = runtime->silence_start % runtime->buffer_size; @@ -96,7 +97,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram if (substream->ops->silence) { int err; err = substream->ops->silence(substream, -1, ofs, transfer); - snd_assert(err >= 0, ); + snd_BUG_ON(err < 0); } else { char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, ofs); snd_pcm_format_set_silence(runtime->format, hwbuf, transfer * runtime->channels); @@ -108,7 +109,7 @@ void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_ufram for (c = 0; c < channels; ++c) { int err; err = substream->ops->silence(substream, c, ofs, transfer); - snd_assert(err >= 0, ); + snd_BUG_ON(err < 0); } } else { size_t dma_csize = runtime->dma_bytes / channels; @@ -354,7 +355,7 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b, { u_int64_t n = (u_int64_t) a * b; if (c == 0) { - snd_assert(n > 0, ); + snd_BUG_ON(!n); *r = 0; return UINT_MAX; } @@ -380,7 +381,8 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b, int snd_interval_refine(struct snd_interval *i, const struct snd_interval *v) { int changed = 0; - snd_assert(!snd_interval_empty(i), return -EINVAL); + if (snd_BUG_ON(snd_interval_empty(i))) + return -EINVAL; if (i->min < v->min) { i->min = v->min; i->openmin = v->openmin; @@ -423,7 +425,8 @@ EXPORT_SYMBOL(snd_interval_refine); static int snd_interval_refine_first(struct snd_interval *i) { - snd_assert(!snd_interval_empty(i), return -EINVAL); + if (snd_BUG_ON(snd_interval_empty(i))) + return -EINVAL; if (snd_interval_single(i)) return 0; i->max = i->min; @@ -435,7 +438,8 @@ static int snd_interval_refine_first(struct snd_interval *i) static int snd_interval_refine_last(struct snd_interval *i) { - snd_assert(!snd_interval_empty(i), return -EINVAL); + if (snd_BUG_ON(snd_interval_empty(i))) + return -EINVAL; if (snd_interval_single(i)) return 0; i->min = i->max; @@ -889,7 +893,8 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond, c->private = private; k = 0; while (1) { - snd_assert(k < ARRAY_SIZE(c->deps), return -EINVAL); + if (snd_BUG_ON(k >= ARRAY_SIZE(c->deps))) + return -EINVAL; c->deps[k++] = dep; if (dep < 0) break; @@ -1285,7 +1290,8 @@ int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, return changed; if (params->rmask) { int err = snd_pcm_hw_refine(pcm, params); - snd_assert(err >= 0, return err); + if (snd_BUG_ON(err < 0)) + return err; } return snd_pcm_hw_param_value(params, var, dir); } @@ -1330,7 +1336,8 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm, return changed; if (params->rmask) { int err = snd_pcm_hw_refine(pcm, params); - snd_assert(err >= 0, return err); + if (snd_BUG_ON(err < 0)) + return err; } return snd_pcm_hw_param_value(params, var, dir); } @@ -1368,7 +1375,8 @@ int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, err = snd_pcm_hw_param_first(pcm, params, *v, NULL); else err = snd_pcm_hw_param_last(pcm, params, *v, NULL); - snd_assert(err >= 0, return err); + if (snd_BUG_ON(err < 0)) + return err; } return 0; } @@ -1466,9 +1474,9 @@ void snd_pcm_period_elapsed(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime; unsigned long flags; - snd_assert(substream != NULL, return); + if (PCM_RUNTIME_CHECK(substream)) + return; runtime = substream->runtime; - snd_assert(runtime != NULL, return); if (runtime->transfer_ack_begin) runtime->transfer_ack_begin(substream); @@ -1567,7 +1575,6 @@ static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream, return err; } else { char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff); - snd_assert(runtime->dma_area, return -EFAULT); if (copy_from_user(hwbuf, buf, frames_to_bytes(runtime, frames))) return -EFAULT; } @@ -1629,7 +1636,10 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, cont = runtime->buffer_size - runtime->control->appl_ptr % runtime->buffer_size; if (frames > cont) frames = cont; - snd_assert(frames != 0, snd_pcm_stream_unlock_irq(substream); return -EINVAL); + if (snd_BUG_ON(!frames)) { + snd_pcm_stream_unlock_irq(substream); + return -EINVAL; + } appl_ptr = runtime->control->appl_ptr; appl_ofs = appl_ptr % runtime->buffer_size; snd_pcm_stream_unlock_irq(substream); @@ -1669,18 +1679,30 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, return xfer > 0 ? (snd_pcm_sframes_t)xfer : err; } -snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t size) +/* sanity-check for read/write methods */ +static int pcm_sanity_check(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime; - int nonblock; - - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); - snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL); + if (snd_BUG_ON(!substream->ops->copy && !runtime->dma_area)) + return -EINVAL; if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; + return 0; +} + +snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t size) +{ + struct snd_pcm_runtime *runtime; + int nonblock; + int err; + err = pcm_sanity_check(substream); + if (err < 0) + return err; + runtime = substream->runtime; nonblock = !!(substream->f_flags & O_NONBLOCK); if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED && @@ -1703,7 +1725,8 @@ static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream, int channels = runtime->channels; int c; if (substream->ops->copy) { - snd_assert(substream->ops->silence != NULL, return -EINVAL); + if (snd_BUG_ON(!substream->ops->silence)) + return -EINVAL; for (c = 0; c < channels; ++c, ++bufs) { if (*bufs == NULL) { if ((err = substream->ops->silence(substream, c, hwoff, frames)) < 0) @@ -1717,7 +1740,6 @@ static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream, } else { /* default transfer behaviour */ size_t dma_csize = runtime->dma_bytes / channels; - snd_assert(runtime->dma_area, return -EFAULT); for (c = 0; c < channels; ++c, ++bufs) { char *hwbuf = runtime->dma_area + (c * dma_csize) + samples_to_bytes(runtime, hwoff); if (*bufs == NULL) { @@ -1738,14 +1760,12 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime; int nonblock; + int err; - snd_assert(substream != NULL, return -ENXIO); + err = pcm_sanity_check(substream); + if (err < 0) + return err; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); - snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL); - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) - return -EBADFD; - nonblock = !!(substream->f_flags & O_NONBLOCK); if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) @@ -1769,7 +1789,6 @@ static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream, return err; } else { char *hwbuf = runtime->dma_area + frames_to_bytes(runtime, hwoff); - snd_assert(runtime->dma_area, return -EFAULT); if (copy_to_user(buf, hwbuf, frames_to_bytes(runtime, frames))) return -EFAULT; } @@ -1841,7 +1860,10 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, cont = runtime->buffer_size - runtime->control->appl_ptr % runtime->buffer_size; if (frames > cont) frames = cont; - snd_assert(frames != 0, snd_pcm_stream_unlock_irq(substream); return -EINVAL); + if (snd_BUG_ON(!frames)) { + snd_pcm_stream_unlock_irq(substream); + return -EINVAL; + } appl_ptr = runtime->control->appl_ptr; appl_ofs = appl_ptr % runtime->buffer_size; snd_pcm_stream_unlock_irq(substream); @@ -1879,14 +1901,12 @@ snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __u { struct snd_pcm_runtime *runtime; int nonblock; + int err; - snd_assert(substream != NULL, return -ENXIO); + err = pcm_sanity_check(substream); + if (err < 0) + return err; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); - snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL); - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) - return -EBADFD; - nonblock = !!(substream->f_flags & O_NONBLOCK); if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED) return -EINVAL; @@ -1916,7 +1936,6 @@ static int snd_pcm_lib_readv_transfer(struct snd_pcm_substream *substream, } } else { snd_pcm_uframes_t dma_csize = runtime->dma_bytes / channels; - snd_assert(runtime->dma_area, return -EFAULT); for (c = 0; c < channels; ++c, ++bufs) { char *hwbuf; char __user *buf; @@ -1938,11 +1957,12 @@ snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime; int nonblock; + int err; - snd_assert(substream != NULL, return -ENXIO); + err = pcm_sanity_check(substream); + if (err < 0) + return err; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); - snd_assert(substream->ops->copy != NULL || runtime->dma_area != NULL, return -EINVAL); if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index ff07b4a9992e..859b1185e69a 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -50,8 +50,6 @@ static int preallocate_pcm_pages(struct snd_pcm_substream *substream, size_t siz struct snd_dma_buffer *dmab = &substream->dma_buffer; int err; - snd_assert(size > 0, return -EINVAL); - /* already reserved? */ if (snd_dma_get_reserved_buf(dmab, substream->dma_buf_id) > 0) { if (dmab->bytes >= size) @@ -342,10 +340,12 @@ int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size) struct snd_pcm_runtime *runtime; struct snd_dma_buffer *dmab = NULL; - snd_assert(substream->dma_buffer.dev.type != SNDRV_DMA_TYPE_UNKNOWN, return -EINVAL); - snd_assert(substream != NULL, return -EINVAL); + if (PCM_RUNTIME_CHECK(substream)) + return -EINVAL; + if (snd_BUG_ON(substream->dma_buffer.dev.type == + SNDRV_DMA_TYPE_UNKNOWN)) + return -EINVAL; runtime = substream->runtime; - snd_assert(runtime != NULL, return -EINVAL); if (runtime->dma_buffer_p) { /* perphaps, we might free the large DMA memory region @@ -391,9 +391,9 @@ int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime; - snd_assert(substream != NULL, return -EINVAL); + if (PCM_RUNTIME_CHECK(substream)) + return -EINVAL; runtime = substream->runtime; - snd_assert(runtime != NULL, return -EINVAL); if (runtime->dma_area == NULL) return 0; if (runtime->dma_buffer_p != &substream->dma_buffer) { diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index c487025d3457..df2299a8cefd 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -95,7 +95,6 @@ int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info) struct snd_pcm *pcm = substream->pcm; struct snd_pcm_str *pstr = substream->pstr; - snd_assert(substream != NULL, return -ENXIO); memset(info, 0, sizeof(*info)); info->card = pcm->card->number; info->device = pcm->device; @@ -370,9 +369,9 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, unsigned int bits; snd_pcm_uframes_t frames; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); snd_pcm_stream_lock_irq(substream); switch (runtime->status->state) { case SNDRV_PCM_STATE_OPEN: @@ -490,9 +489,9 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime; int result = 0; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); snd_pcm_stream_lock_irq(substream); switch (runtime->status->state) { case SNDRV_PCM_STATE_SETUP: @@ -518,9 +517,9 @@ static int snd_pcm_sw_params(struct snd_pcm_substream *substream, { struct snd_pcm_runtime *runtime; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - snd_assert(runtime != NULL, return -ENXIO); snd_pcm_stream_lock_irq(substream); if (runtime->status->state == SNDRV_PCM_STATE_OPEN) { snd_pcm_stream_unlock_irq(substream); @@ -622,11 +621,8 @@ static int snd_pcm_status_user(struct snd_pcm_substream *substream, struct snd_pcm_status __user * _status) { struct snd_pcm_status status; - struct snd_pcm_runtime *runtime; int res; - snd_assert(substream != NULL, return -ENXIO); - runtime = substream->runtime; memset(&status, 0, sizeof(status)); res = snd_pcm_status(substream, &status); if (res < 0) @@ -642,7 +638,6 @@ static int snd_pcm_channel_info(struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime; unsigned int channel; - snd_assert(substream != NULL, return -ENXIO); channel = info->channel; runtime = substream->runtime; snd_pcm_stream_lock_irq(substream); @@ -1250,7 +1245,6 @@ static int snd_pcm_do_reset(struct snd_pcm_substream *substream, int state) int err = substream->ops->ioctl(substream, SNDRV_PCM_IOCTL1_RESET, NULL); if (err < 0) return err; - // snd_assert(runtime->status->hw_ptr < runtime->buffer_size, ); runtime->hw_ptr_base = 0; runtime->hw_ptr_interrupt = runtime->status->hw_ptr - runtime->status->hw_ptr % runtime->period_size; @@ -1421,7 +1415,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream) int i, num_drecs; struct drain_rec *drec, drec_tmp, *d; - snd_assert(substream != NULL, return -ENXIO); card = substream->pcm->card; runtime = substream->runtime; @@ -1541,7 +1534,8 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream) struct snd_card *card; int result = 0; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; card = substream->pcm->card; @@ -1934,33 +1928,41 @@ int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream) mask |= 1 << SNDRV_PCM_ACCESS_MMAP_COMPLEX; } err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_ACCESS, mask); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, hw->formats); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_SUBFORMAT, 1 << SNDRV_PCM_SUBFORMAT_STD); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, hw->channels_min, hw->channels_max); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, hw->rate_min, hw->rate_max); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, hw->period_bytes_min, hw->period_bytes_max); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIODS, hw->periods_min, hw->periods_max); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, hw->period_bytes_min, hw->buffer_bytes_max); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return err; err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, snd_pcm_hw_rule_buffer_bytes_max, substream, @@ -1971,7 +1973,8 @@ int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream) /* FIXME: remove */ if (runtime->dma_bytes) { err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 0, runtime->dma_bytes); - snd_assert(err >= 0, return -EINVAL); + if (err < 0) + return -EINVAL; } if (!(hw->rates & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS))) { @@ -2067,8 +2070,8 @@ static int snd_pcm_open_file(struct file *file, struct snd_pcm_str *str; int err; - snd_assert(rpcm_file != NULL, return -EINVAL); - *rpcm_file = NULL; + if (rpcm_file) + *rpcm_file = NULL; err = snd_pcm_open_substream(pcm, stream, file, &substream); if (err < 0) @@ -2086,7 +2089,8 @@ static int snd_pcm_open_file(struct file *file, substream->pcm_release = pcm_release_private; } file->private_data = pcm_file; - *rpcm_file = pcm_file; + if (rpcm_file) + *rpcm_file = pcm_file; return 0; } @@ -2170,7 +2174,8 @@ static int snd_pcm_release(struct inode *inode, struct file *file) pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (snd_BUG_ON(!substream)) + return -ENXIO; pcm = substream->pcm; fasync_helper(-1, file, 0, &substream->runtime->fasync); mutex_lock(&pcm->open_mutex); @@ -2493,8 +2498,6 @@ static int snd_pcm_common_ioctl1(struct file *file, struct snd_pcm_substream *substream, unsigned int cmd, void __user *arg) { - snd_assert(substream != NULL, return -ENXIO); - switch (cmd) { case SNDRV_PCM_IOCTL_PVERSION: return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0; @@ -2563,8 +2566,10 @@ static int snd_pcm_playback_ioctl1(struct file *file, struct snd_pcm_substream *substream, unsigned int cmd, void __user *arg) { - snd_assert(substream != NULL, return -ENXIO); - snd_assert(substream->stream == SNDRV_PCM_STREAM_PLAYBACK, return -EINVAL); + if (snd_BUG_ON(!substream)) + return -ENXIO; + if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_PLAYBACK)) + return -EINVAL; switch (cmd) { case SNDRV_PCM_IOCTL_WRITEI_FRAMES: { @@ -2643,8 +2648,10 @@ static int snd_pcm_capture_ioctl1(struct file *file, struct snd_pcm_substream *substream, unsigned int cmd, void __user *arg) { - snd_assert(substream != NULL, return -ENXIO); - snd_assert(substream->stream == SNDRV_PCM_STREAM_CAPTURE, return -EINVAL); + if (snd_BUG_ON(!substream)) + return -ENXIO; + if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_CAPTURE)) + return -EINVAL; switch (cmd) { case SNDRV_PCM_IOCTL_READI_FRAMES: { @@ -2783,7 +2790,8 @@ static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count, pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; @@ -2806,21 +2814,17 @@ static ssize_t snd_pcm_write(struct file *file, const char __user *buf, pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, result = -ENXIO; goto end); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) { - result = -EBADFD; - goto end; - } - if (!frame_aligned(runtime, count)) { - result = -EINVAL; - goto end; - } + if (runtime->status->state == SNDRV_PCM_STATE_OPEN) + return -EBADFD; + if (!frame_aligned(runtime, count)) + return -EINVAL; count = bytes_to_frames(runtime, count); result = snd_pcm_lib_write(substream, buf, count); if (result > 0) result = frames_to_bytes(runtime, result); - end: return result; } @@ -2838,7 +2842,8 @@ static ssize_t snd_pcm_aio_read(struct kiocb *iocb, const struct iovec *iov, pcm_file = iocb->ki_filp->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; @@ -2872,17 +2877,14 @@ static ssize_t snd_pcm_aio_write(struct kiocb *iocb, const struct iovec *iov, pcm_file = iocb->ki_filp->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, result = -ENXIO; goto end); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; - if (runtime->status->state == SNDRV_PCM_STATE_OPEN) { - result = -EBADFD; - goto end; - } + if (runtime->status->state == SNDRV_PCM_STATE_OPEN) + return -EBADFD; if (nr_segs > 128 || nr_segs != runtime->channels || - !frame_aligned(runtime, iov->iov_len)) { - result = -EINVAL; - goto end; - } + !frame_aligned(runtime, iov->iov_len)) + return -EINVAL; frames = bytes_to_samples(runtime, iov->iov_len); bufs = kmalloc(sizeof(void *) * nr_segs, GFP_KERNEL); if (bufs == NULL) @@ -2893,7 +2895,6 @@ static ssize_t snd_pcm_aio_write(struct kiocb *iocb, const struct iovec *iov, if (result > 0) result = frames_to_bytes(runtime, result); kfree(bufs); - end: return result; } @@ -2908,7 +2909,8 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait) pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; poll_wait(file, &runtime->sleep, wait); @@ -2946,7 +2948,8 @@ static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait) pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; runtime = substream->runtime; poll_wait(file, &runtime->sleep, wait); @@ -3016,7 +3019,6 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file if (!(area->vm_flags & VM_READ)) return -EINVAL; runtime = substream->runtime; - snd_assert(runtime != NULL, return -EAGAIN); size = area->vm_end - area->vm_start; if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status))) return -EINVAL; @@ -3056,7 +3058,6 @@ static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file if (!(area->vm_flags & VM_READ)) return -EINVAL; runtime = substream->runtime; - snd_assert(runtime != NULL, return -EAGAIN); size = area->vm_end - area->vm_start; if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control))) return -EINVAL; @@ -3188,7 +3189,6 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, return -EINVAL; } runtime = substream->runtime; - snd_assert(runtime != NULL, return -EAGAIN); if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; if (!(runtime->info & SNDRV_PCM_INFO_MMAP)) @@ -3220,7 +3220,8 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area) pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + if (PCM_RUNTIME_CHECK(substream)) + return -ENXIO; offset = area->vm_pgoff << PAGE_SHIFT; switch (offset) { @@ -3248,9 +3249,9 @@ static int snd_pcm_fasync(int fd, struct file * file, int on) lock_kernel(); pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, goto out); + if (PCM_RUNTIME_CHECK(substream)) + goto out; runtime = substream->runtime; - err = fasync_helper(fd, file, on, &runtime->fasync); out: unlock_kernel(); diff --git a/sound/core/pcm_timer.c b/sound/core/pcm_timer.c index 033a024d153a..2c89c04f2916 100644 --- a/sound/core/pcm_timer.c +++ b/sound/core/pcm_timer.c @@ -51,12 +51,14 @@ void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) mult = 1000000000; rate = runtime->rate; - snd_assert(rate != 0, return); + if (snd_BUG_ON(!rate)) + return; l = gcd(mult, rate); mult /= l; rate /= l; fsize = runtime->period_size; - snd_assert(fsize != 0, return); + if (snd_BUG_ON(!fsize)) + return; l = gcd(rate, fsize); rate /= l; fsize /= l; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index b917a9f981c7..c4995c9f5730 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -470,8 +470,8 @@ int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile) struct snd_rawmidi_substream *substream; struct snd_rawmidi_runtime *runtime; - snd_assert(rfile != NULL, return -ENXIO); - snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO); + if (snd_BUG_ON(!rfile)) + return -ENXIO; rmidi = rfile->rmidi; mutex_lock(&rmidi->open_mutex); if (rfile->input != NULL) { @@ -1100,7 +1100,7 @@ int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count) return -EINVAL; } spin_lock_irqsave(&runtime->lock, flags); - snd_assert(runtime->avail + count <= runtime->buffer_size, ); + snd_BUG_ON(runtime->avail + count > runtime->buffer_size); runtime->hw_ptr += count; runtime->hw_ptr %= runtime->buffer_size; runtime->avail += count; @@ -1141,8 +1141,10 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream, long count1, result; struct snd_rawmidi_runtime *runtime = substream->runtime; - snd_assert(kernelbuf != NULL || userbuf != NULL, return -EINVAL); - snd_assert(runtime->buffer != NULL, return -EINVAL); + if (snd_BUG_ON(!kernelbuf && !userbuf)) + return -EINVAL; + if (snd_BUG_ON(!runtime->buffer)) + return -EINVAL; result = 0; spin_lock_irqsave(&runtime->lock, flags); @@ -1420,9 +1422,10 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device, .dev_disconnect = snd_rawmidi_dev_disconnect, }; - snd_assert(rrawmidi != NULL, return -EINVAL); - *rrawmidi = NULL; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; + if (rrawmidi) + *rrawmidi = NULL; rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL); if (rmidi == NULL) { snd_printk(KERN_ERR "rawmidi: cannot allocate\n"); @@ -1455,7 +1458,8 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device, snd_rawmidi_free(rmidi); return err; } - *rrawmidi = rmidi; + if (rrawmidi) + *rrawmidi = rmidi; return 0; } @@ -1472,7 +1476,8 @@ static void snd_rawmidi_free_substreams(struct snd_rawmidi_str *stream) static int snd_rawmidi_free(struct snd_rawmidi *rmidi) { - snd_assert(rmidi != NULL, return -ENXIO); + if (!rmidi) + return 0; snd_info_free_entry(rmidi->proc_entry); rmidi->proc_entry = NULL; diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c index 97b30fb4c361..51e64e30dd3b 100644 --- a/sound/core/rtctimer.c +++ b/sound/core/rtctimer.c @@ -91,7 +91,8 @@ static int rtctimer_start(struct snd_timer *timer) { rtc_task_t *rtc = timer->private_data; - snd_assert(rtc != NULL, return -EINVAL); + if (snd_BUG_ON(!rtc)) + return -EINVAL; rtc_control(rtc, RTC_IRQP_SET, rtctimer_freq); rtc_control(rtc, RTC_PIE_ON, 0); return 0; @@ -101,7 +102,8 @@ static int rtctimer_stop(struct snd_timer *timer) { rtc_task_t *rtc = timer->private_data; - snd_assert(rtc != NULL, return -EINVAL); + if (snd_BUG_ON(!rtc)) + return -EINVAL; rtc_control(rtc, RTC_PIE_OFF, 0); return 0; } diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c index 777796e94490..f25e3cc7ddfa 100644 --- a/sound/core/seq/oss/seq_oss.c +++ b/sound/core/seq/oss/seq_oss.c @@ -164,7 +164,8 @@ odev_read(struct file *file, char __user *buf, size_t count, loff_t *offset) { struct seq_oss_devinfo *dp; dp = file->private_data; - snd_assert(dp != NULL, return -EIO); + if (snd_BUG_ON(!dp)) + return -ENXIO; return snd_seq_oss_read(dp, buf, count); } @@ -174,7 +175,8 @@ odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offs { struct seq_oss_devinfo *dp; dp = file->private_data; - snd_assert(dp != NULL, return -EIO); + if (snd_BUG_ON(!dp)) + return -ENXIO; return snd_seq_oss_write(dp, buf, count, file); } @@ -183,7 +185,8 @@ odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct seq_oss_devinfo *dp; dp = file->private_data; - snd_assert(dp != NULL, return -EIO); + if (snd_BUG_ON(!dp)) + return -ENXIO; return snd_seq_oss_ioctl(dp, cmd, arg); } @@ -198,7 +201,8 @@ odev_poll(struct file *file, poll_table * wait) { struct seq_oss_devinfo *dp; dp = file->private_data; - snd_assert(dp != NULL, return 0); + if (snd_BUG_ON(!dp)) + return -ENXIO; return snd_seq_oss_poll(dp, file, wait); } diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c index e024e4588b82..945a27c34a9d 100644 --- a/sound/core/seq/oss/seq_oss_synth.c +++ b/sound/core/seq/oss/seq_oss_synth.c @@ -308,7 +308,8 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp) struct seq_oss_synth *rec; struct seq_oss_synthinfo *info; - snd_assert(dp->max_synthdev <= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS, return); + if (snd_BUG_ON(dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS)) + return; for (i = 0; i < dp->max_synthdev; i++) { info = &dp->synths[i]; if (! info->opened) @@ -402,7 +403,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev) struct seq_oss_synth *rec; struct seq_oss_synthinfo *info; - snd_assert(dev >= 0 && dev < dp->max_synthdev, return); + if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev)) + return; info = &dp->synths[dev]; if (! info->opened) return; diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 7a1545d2d953..8ca2be339f3b 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -266,7 +266,8 @@ static int seq_free_client1(struct snd_seq_client *client) { unsigned long flags; - snd_assert(client != NULL, return -EINVAL); + if (!client) + return 0; snd_seq_delete_all_ports(client); snd_seq_queue_client_leave(client->number); spin_lock_irqsave(&clients_lock, flags); @@ -403,7 +404,8 @@ static ssize_t snd_seq_read(struct file *file, char __user *buf, size_t count, return -EFAULT; /* check client structures are in place */ - snd_assert(client != NULL, return -ENXIO); + if (snd_BUG_ON(!client)) + return -ENXIO; if (!client->accept_input || (fifo = client->data.user.fifo) == NULL) return -ENXIO; @@ -825,7 +827,8 @@ int snd_seq_dispatch_event(struct snd_seq_event_cell *cell, int atomic, int hop) struct snd_seq_client *client; int result; - snd_assert(cell != NULL, return -EINVAL); + if (snd_BUG_ON(!cell)) + return -EINVAL; client = snd_seq_client_use_ptr(cell->event.source.client); if (client == NULL) { @@ -994,7 +997,8 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf, return -ENXIO; /* check client structures are in place */ - snd_assert(client != NULL, return -ENXIO); + if (snd_BUG_ON(!client)) + return -ENXIO; if (!client->accept_output || client->pool == NULL) return -ENXIO; @@ -1076,7 +1080,8 @@ static unsigned int snd_seq_poll(struct file *file, poll_table * wait) unsigned int mask = 0; /* check client structures are in place */ - snd_assert(client != NULL, return -ENXIO); + if (snd_BUG_ON(!client)) + return -ENXIO; if ((snd_seq_file_flags(file) & SNDRV_SEQ_LFLG_INPUT) && client->data.user.fifo) { @@ -2195,7 +2200,8 @@ static long snd_seq_ioctl(struct file *file, unsigned int cmd, unsigned long arg { struct snd_seq_client *client = file->private_data; - snd_assert(client != NULL, return -ENXIO); + if (snd_BUG_ON(!client)) + return -ENXIO; return snd_seq_do_ioctl(client, cmd, (void __user *) arg); } @@ -2216,7 +2222,8 @@ int snd_seq_create_kernel_client(struct snd_card *card, int client_index, struct snd_seq_client *client; va_list args; - snd_assert(! in_interrupt(), return -EBUSY); + if (snd_BUG_ON(in_interrupt())) + return -EBUSY; if (card && client_index >= SNDRV_SEQ_CLIENTS_PER_CARD) return -EINVAL; @@ -2265,7 +2272,8 @@ int snd_seq_delete_kernel_client(int client) { struct snd_seq_client *ptr; - snd_assert(! in_interrupt(), return -EBUSY); + if (snd_BUG_ON(in_interrupt())) + return -EBUSY; ptr = clientptr(client); if (ptr == NULL) @@ -2288,7 +2296,8 @@ static int kernel_client_enqueue(int client, struct snd_seq_event *ev, struct snd_seq_client *cptr; int result; - snd_assert(ev != NULL, return -EINVAL); + if (snd_BUG_ON(!ev)) + return -EINVAL; if (ev->type == SNDRV_SEQ_EVENT_NONE) return 0; /* ignore this */ @@ -2354,7 +2363,8 @@ int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event * ev, struct snd_seq_client *cptr; int result; - snd_assert(ev != NULL, return -EINVAL); + if (snd_BUG_ON(!ev)) + return -EINVAL; /* fill in client number */ ev->queue = SNDRV_SEQ_QUEUE_DIRECT; diff --git a/sound/core/seq/seq_compat.c b/sound/core/seq/seq_compat.c index 9628c06e4eab..38693f47c262 100644 --- a/sound/core/seq/seq_compat.c +++ b/sound/core/seq/seq_compat.c @@ -92,7 +92,8 @@ static long snd_seq_ioctl_compat(struct file *file, unsigned int cmd, unsigned l struct snd_seq_client *client = file->private_data; void __user *argp = compat_ptr(arg); - snd_assert(client != NULL, return -ENXIO); + if (snd_BUG_ON(!client)) + return -ENXIO; switch (cmd) { case SNDRV_SEQ_IOCTL_PVERSION: diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c index 05410e536a4f..1f997675c893 100644 --- a/sound/core/seq/seq_device.c +++ b/sound/core/seq/seq_device.c @@ -187,7 +187,8 @@ int snd_seq_device_new(struct snd_card *card, int device, char *id, int argsize, if (result) *result = NULL; - snd_assert(id != NULL, return -EINVAL); + if (snd_BUG_ON(!id)) + return -EINVAL; ops = find_driver(id, 1); if (ops == NULL) @@ -232,7 +233,8 @@ static int snd_seq_device_free(struct snd_seq_device *dev) { struct ops_list *ops; - snd_assert(dev != NULL, return -EINVAL); + if (snd_BUG_ON(!dev)) + return -EINVAL; ops = find_driver(dev->id, 0); if (ops == NULL) diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c index 3a94ed021bd9..0d75afa786bc 100644 --- a/sound/core/seq/seq_fifo.c +++ b/sound/core/seq/seq_fifo.c @@ -65,9 +65,11 @@ void snd_seq_fifo_delete(struct snd_seq_fifo **fifo) { struct snd_seq_fifo *f; - snd_assert(fifo != NULL, return); + if (snd_BUG_ON(!fifo)) + return; f = *fifo; - snd_assert(f != NULL, return); + if (snd_BUG_ON(!f)) + return; *fifo = NULL; snd_seq_fifo_clear(f); @@ -116,7 +118,8 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f, unsigned long flags; int err; - snd_assert(f != NULL, return -EINVAL); + if (snd_BUG_ON(!f)) + return -EINVAL; snd_use_lock_use(&f->use_lock); err = snd_seq_event_dup(f->pool, event, &cell, 1, NULL); /* always non-blocking */ @@ -174,7 +177,8 @@ int snd_seq_fifo_cell_out(struct snd_seq_fifo *f, unsigned long flags; wait_queue_t wait; - snd_assert(f != NULL, return -EINVAL); + if (snd_BUG_ON(!f)) + return -EINVAL; *cellp = NULL; init_waitqueue_entry(&wait, current); @@ -233,7 +237,8 @@ int snd_seq_fifo_resize(struct snd_seq_fifo *f, int poolsize) struct snd_seq_pool *newpool, *oldpool; struct snd_seq_event_cell *cell, *next, *oldhead; - snd_assert(f != NULL && f->pool != NULL, return -EINVAL); + if (snd_BUG_ON(!f || !f->pool)) + return -EINVAL; /* allocate new pool */ newpool = snd_seq_pool_new(poolsize); diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c index 0cf6ac477318..7fb55436287f 100644 --- a/sound/core/seq/seq_memory.c +++ b/sound/core/seq/seq_memory.c @@ -187,9 +187,11 @@ void snd_seq_cell_free(struct snd_seq_event_cell * cell) unsigned long flags; struct snd_seq_pool *pool; - snd_assert(cell != NULL, return); + if (snd_BUG_ON(!cell)) + return; pool = cell->pool; - snd_assert(pool != NULL, return); + if (snd_BUG_ON(!pool)) + return; spin_lock_irqsave(&pool->lock, flags); free_cell(pool, cell); @@ -378,7 +380,8 @@ int snd_seq_pool_init(struct snd_seq_pool *pool) struct snd_seq_event_cell *cellptr; unsigned long flags; - snd_assert(pool != NULL, return -EINVAL); + if (snd_BUG_ON(!pool)) + return -EINVAL; if (pool->ptr) /* should be atomic? */ return 0; @@ -414,7 +417,8 @@ int snd_seq_pool_done(struct snd_seq_pool *pool) struct snd_seq_event_cell *ptr; int max_count = 5 * HZ; - snd_assert(pool != NULL, return -EINVAL); + if (snd_BUG_ON(!pool)) + return -EINVAL; /* wait for closing all threads */ spin_lock_irqsave(&pool->lock, flags); diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c index 99b35360c506..4d26146a62cc 100644 --- a/sound/core/seq/seq_midi.c +++ b/sound/core/seq/seq_midi.c @@ -116,7 +116,8 @@ static int dump_midi(struct snd_rawmidi_substream *substream, const char *buf, i struct snd_rawmidi_runtime *runtime; int tmp; - snd_assert(substream != NULL || buf != NULL, return -EINVAL); + if (snd_BUG_ON(!substream || !buf)) + return -EINVAL; runtime = substream->runtime; if ((tmp = runtime->avail) < count) { snd_printd("warning, output event was lost (count = %i, available = %i)\n", count, tmp); @@ -135,7 +136,8 @@ static int event_process_midi(struct snd_seq_event *ev, int direct, struct snd_rawmidi_substream *substream; int len; - snd_assert(msynth != NULL, return -EINVAL); + if (snd_BUG_ON(!msynth)) + return -EINVAL; substream = msynth->output_rfile.output; if (substream == NULL) return -ENODEV; @@ -210,7 +212,8 @@ static int midisynth_unsubscribe(void *private_data, struct snd_seq_port_subscri int err; struct seq_midisynth *msynth = private_data; - snd_assert(msynth->input_rfile.input != NULL, return -EINVAL); + if (snd_BUG_ON(!msynth->input_rfile.input)) + return -EINVAL; err = snd_rawmidi_kernel_release(&msynth->input_rfile); return err; } @@ -247,7 +250,8 @@ static int midisynth_unuse(void *private_data, struct snd_seq_port_subscribe *in struct seq_midisynth *msynth = private_data; unsigned char buf = 0xff; /* MIDI reset */ - snd_assert(msynth->output_rfile.output != NULL, return -EINVAL); + if (snd_BUG_ON(!msynth->output_rfile.output)) + return -EINVAL; /* sending single MIDI reset message to shut the device up */ snd_rawmidi_kernel_write(msynth->output_rfile.output, &buf, 1); snd_rawmidi_drain_output(msynth->output_rfile.output); @@ -285,7 +289,8 @@ snd_seq_midisynth_register_port(struct snd_seq_device *dev) int device = dev->device; unsigned int input_count = 0, output_count = 0; - snd_assert(card != NULL && device >= 0 && device < SNDRV_RAWMIDI_DEVICES, return -EINVAL); + if (snd_BUG_ON(!card || device < 0 || device >= SNDRV_RAWMIDI_DEVICES)) + return -EINVAL; info = kmalloc(sizeof(*info), GFP_KERNEL); if (! info) return -ENOMEM; diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c index 1c32a53d6bd8..3bf7d73ac52e 100644 --- a/sound/core/seq/seq_ports.c +++ b/sound/core/seq/seq_ports.c @@ -130,7 +130,8 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client, int num = -1; /* sanity check */ - snd_assert(client, return NULL); + if (snd_BUG_ON(!client)) + return NULL; if (client->num_ports >= SNDRV_SEQ_MAX_PORTS - 1) { snd_printk(KERN_WARNING "too many ports for client %d\n", client->number); @@ -268,8 +269,8 @@ static int port_delete(struct snd_seq_client *client, if (port->private_free) port->private_free(port->private_data); - snd_assert(port->c_src.count == 0,); - snd_assert(port->c_dest.count == 0,); + snd_BUG_ON(port->c_src.count != 0); + snd_BUG_ON(port->c_dest.count != 0); kfree(port); return 0; @@ -336,7 +337,8 @@ int snd_seq_delete_all_ports(struct snd_seq_client *client) int snd_seq_set_port_info(struct snd_seq_client_port * port, struct snd_seq_port_info * info) { - snd_assert(port && info, return -EINVAL); + if (snd_BUG_ON(!port || !info)) + return -EINVAL; /* set port name */ if (info->name[0]) @@ -365,7 +367,8 @@ int snd_seq_set_port_info(struct snd_seq_client_port * port, int snd_seq_get_port_info(struct snd_seq_client_port * port, struct snd_seq_port_info * info) { - snd_assert(port && info, return -EINVAL); + if (snd_BUG_ON(!port || !info)) + return -EINVAL; /* get port name */ strlcpy(info->name, port->name, sizeof(info->name)); diff --git a/sound/core/seq/seq_prioq.c b/sound/core/seq/seq_prioq.c index 85969db576c9..0101a8b99b73 100644 --- a/sound/core/seq/seq_prioq.c +++ b/sound/core/seq/seq_prioq.c @@ -153,8 +153,8 @@ int snd_seq_prioq_cell_in(struct snd_seq_prioq * f, int count; int prior; - snd_assert(f, return -EINVAL); - snd_assert(cell, return -EINVAL); + if (snd_BUG_ON(!f || !cell)) + return -EINVAL; /* check flags */ prior = (cell->event.flags & SNDRV_SEQ_PRIORITY_MASK); diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c index 4a48c6ee8ee8..e7a8e9e4edb2 100644 --- a/sound/core/seq/seq_queue.c +++ b/sound/core/seq/seq_queue.c @@ -315,7 +315,8 @@ int snd_seq_enqueue_event(struct snd_seq_event_cell *cell, int atomic, int hop) int dest, err; struct snd_seq_queue *q; - snd_assert(cell != NULL, return -EINVAL); + if (snd_BUG_ON(!cell)) + return -EINVAL; dest = cell->event.queue; /* destination queue */ q = queueptr(dest); if (q == NULL) @@ -734,7 +735,8 @@ int snd_seq_control_queue(struct snd_seq_event *ev, int atomic, int hop) { struct snd_seq_queue *q; - snd_assert(ev != NULL, return -EINVAL); + if (snd_BUG_ON(!ev)) + return -EINVAL; q = queueptr(ev->data.queue.queue); if (q == NULL) diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index d8fcd62e400f..f745c317d6af 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -173,7 +173,8 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo) { unsigned long flags; - snd_assert(tmr, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; if (tempo <= 0) return -EINVAL; spin_lock_irqsave(&tmr->lock, flags); @@ -190,7 +191,8 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq) { unsigned long flags; - snd_assert(tmr, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; if (ppq <= 0) return -EINVAL; spin_lock_irqsave(&tmr->lock, flags); @@ -214,7 +216,8 @@ int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr, { unsigned long flags; - snd_assert(tmr, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; spin_lock_irqsave(&tmr->lock, flags); tmr->tick.cur_tick = position; @@ -229,7 +232,8 @@ int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr, { unsigned long flags; - snd_assert(tmr, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; snd_seq_sanity_real_time(&position); spin_lock_irqsave(&tmr->lock, flags); @@ -244,7 +248,8 @@ int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew, { unsigned long flags; - snd_assert(tmr, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; /* FIXME */ if (base != SKEW_BASE) { @@ -265,7 +270,8 @@ int snd_seq_timer_open(struct snd_seq_queue *q) int err; tmr = q->timer; - snd_assert(tmr != NULL, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; if (tmr->timeri) return -EBUSY; sprintf(str, "sequencer queue %i", q->queue); @@ -302,7 +308,8 @@ int snd_seq_timer_close(struct snd_seq_queue *q) struct snd_seq_timer *tmr; tmr = q->timer; - snd_assert(tmr != NULL, return -EINVAL); + if (snd_BUG_ON(!tmr)) + return -EINVAL; if (tmr->timeri) { snd_timer_stop(tmr->timeri); snd_timer_close(tmr->timeri); @@ -328,7 +335,8 @@ static int initialize_timer(struct snd_seq_timer *tmr) unsigned long freq; t = tmr->timeri->timer; - snd_assert(t, return -EINVAL); + if (snd_BUG_ON(!t)) + return -EINVAL; freq = tmr->preferred_resolution; if (!freq) diff --git a/sound/core/sound.c b/sound/core/sound.c index 838dd9ee957c..c0685e2f0afa 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -206,20 +206,23 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev) minor = type; break; case SNDRV_DEVICE_TYPE_CONTROL: - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; minor = SNDRV_MINOR(card->number, type); break; case SNDRV_DEVICE_TYPE_HWDEP: case SNDRV_DEVICE_TYPE_RAWMIDI: case SNDRV_DEVICE_TYPE_PCM_PLAYBACK: case SNDRV_DEVICE_TYPE_PCM_CAPTURE: - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; minor = SNDRV_MINOR(card->number, type + dev); break; default: return -EINVAL; } - snd_assert(minor >= 0 && minor < SNDRV_OS_MINORS, return -EINVAL); + if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OS_MINORS)) + return -EINVAL; return minor; } #endif @@ -247,7 +250,8 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev, int minor; struct snd_minor *preg; - snd_assert(name, return -EINVAL); + if (snd_BUG_ON(!name)) + return -EINVAL; preg = kmalloc(sizeof *preg, GFP_KERNEL); if (preg == NULL) return -ENOMEM; diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c index 7be51546eb9e..7fe12264ff80 100644 --- a/sound/core/sound_oss.c +++ b/sound/core/sound_oss.c @@ -64,7 +64,8 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev) switch (type) { case SNDRV_OSS_DEVICE_TYPE_MIXER: - snd_assert(card != NULL && dev <= 1, return -EINVAL); + if (snd_BUG_ON(!card || dev < 0 || dev > 1)) + return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIXER1 : SNDRV_MINOR_OSS_MIXER)); break; case SNDRV_OSS_DEVICE_TYPE_SEQUENCER: @@ -74,11 +75,13 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev) minor = SNDRV_MINOR_OSS_MUSIC; break; case SNDRV_OSS_DEVICE_TYPE_PCM: - snd_assert(card != NULL && dev <= 1, return -EINVAL); + if (snd_BUG_ON(!card || dev < 0 || dev > 1)) + return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_PCM1 : SNDRV_MINOR_OSS_PCM)); break; case SNDRV_OSS_DEVICE_TYPE_MIDI: - snd_assert(card != NULL && dev <= 1, return -EINVAL); + if (snd_BUG_ON(!card || dev < 0 || dev > 1)) + return -EINVAL; minor = SNDRV_MINOR_OSS(card->number, (dev ? SNDRV_MINOR_OSS_MIDI1 : SNDRV_MINOR_OSS_MIDI)); break; case SNDRV_OSS_DEVICE_TYPE_DMFM: @@ -90,7 +93,8 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev) default: return -EINVAL; } - snd_assert(minor >= 0 && minor < SNDRV_OSS_MINORS, return -EINVAL); + if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OSS_MINORS)) + return -EINVAL; return minor; } diff --git a/sound/core/timer.c b/sound/core/timer.c index 0af337efc64e..b8ee49c1f855 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -306,7 +306,8 @@ int snd_timer_close(struct snd_timer_instance *timeri) struct snd_timer *timer = NULL; struct snd_timer_instance *slave, *tmp; - snd_assert(timeri != NULL, return -ENXIO); + if (snd_BUG_ON(!timer)) + return -ENXIO; /* force to stop the timer */ snd_timer_stop(timeri); @@ -385,8 +386,9 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event) do_posix_clock_monotonic_gettime(&tstamp); else getnstimeofday(&tstamp); - snd_assert(event >= SNDRV_TIMER_EVENT_START && - event <= SNDRV_TIMER_EVENT_PAUSE, return); + if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_START || + event > SNDRV_TIMER_EVENT_PAUSE)) + return; if (event == SNDRV_TIMER_EVENT_START || event == SNDRV_TIMER_EVENT_CONTINUE) resolution = snd_timer_resolution(ti); @@ -474,7 +476,8 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri, struct snd_timer *timer; unsigned long flags; - snd_assert(timeri != NULL, return -ENXIO); + if (snd_BUG_ON(!timeri)) + return -ENXIO; if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) { if (!keep_flag) { @@ -758,9 +761,10 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid, .dev_disconnect = snd_timer_dev_disconnect, }; - snd_assert(tid != NULL, return -EINVAL); - snd_assert(rtimer != NULL, return -EINVAL); - *rtimer = NULL; + if (snd_BUG_ON(!tid)) + return -EINVAL; + if (rtimer) + *rtimer = NULL; timer = kzalloc(sizeof(*timer), GFP_KERNEL); if (timer == NULL) { snd_printk(KERN_ERR "timer: cannot allocate\n"); @@ -788,13 +792,15 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid, return err; } } - *rtimer = timer; + if (rtimer) + *rtimer = timer; return 0; } static int snd_timer_free(struct snd_timer *timer) { - snd_assert(timer != NULL, return -ENXIO); + if (!timer) + return 0; mutex_lock(®ister_mutex); if (! list_empty(&timer->open_list_head)) { @@ -827,8 +833,8 @@ static int snd_timer_dev_register(struct snd_device *dev) struct snd_timer *timer = dev->device_data; struct snd_timer *timer1; - snd_assert(timer != NULL && timer->hw.start != NULL && - timer->hw.stop != NULL, return -ENXIO); + if (snd_BUG_ON(!timer || !timer->hw.start || !timer->hw.stop)) + return -ENXIO; if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) && !timer->hw.resolution && timer->hw.c_resolution == NULL) return -EINVAL; @@ -879,8 +885,9 @@ void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstam if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)) return; - snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && - event <= SNDRV_TIMER_EVENT_MRESUME, return); + if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_MSTART || + event > SNDRV_TIMER_EVENT_MRESUME)) + return; spin_lock_irqsave(&timer->lock, flags); if (event == SNDRV_TIMER_EVENT_MSTART || event == SNDRV_TIMER_EVENT_MCONTINUE || diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c index 5512f5373c52..e05802ae6e1b 100644 --- a/sound/core/timer_compat.c +++ b/sound/core/timer_compat.c @@ -40,9 +40,11 @@ static int snd_timer_user_info_compat(struct file *file, struct snd_timer *t; tu = file->private_data; - snd_assert(tu->timeri != NULL, return -ENXIO); + if (snd_BUG_ON(!tu->timeri)) + return -ENXIO; t = tu->timeri->timer; - snd_assert(t != NULL, return -ENXIO); + if (snd_BUG_ON(!t)) + return -ENXIO; memset(&info, 0, sizeof(info)); info.card = t->card ? t->card->number : -1; if (t->hw.flags & SNDRV_TIMER_HW_SLAVE) @@ -71,7 +73,8 @@ static int snd_timer_user_status_compat(struct file *file, struct snd_timer_status status; tu = file->private_data; - snd_assert(tu->timeri != NULL, return -ENXIO); + if (snd_BUG_ON(!tu->timeri)) + return -ENXIO; memset(&status, 0, sizeof(status)); status.tstamp = tu->tstamp; status.resolution = snd_timer_resolution(tu->timeri); -- GitLab From 622207dc31895b4e82c39100db8635d885c795e2 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:11:45 +0200 Subject: [PATCH 0318/6244] ALSA: Kill snd_assert() in sound/isa/* Kill snd_assert() in sound/isa/*, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/ad1816a/ad1816a_lib.c | 6 ++++-- sound/isa/cs423x/cs4236_lib.c | 3 ++- sound/isa/es1688/es1688_lib.c | 3 ++- sound/isa/gus/gus_main.c | 6 ++++-- sound/isa/gus/gus_mixer.c | 6 ++++-- sound/isa/gus/gus_pcm.c | 12 ++++++++---- sound/isa/opti9xx/miro.c | 3 ++- sound/isa/sb/emu8000.c | 3 ++- sound/isa/sb/emu8000_patch.c | 3 ++- sound/isa/sb/sb16_csp.c | 9 ++++++--- sound/isa/sb/sb16_main.c | 3 ++- sound/isa/sb/sb8_main.c | 8 ++++++-- sound/isa/sb/sb_common.c | 3 ++- sound/isa/sb/sb_mixer.c | 9 ++++++--- sound/isa/wavefront/wavefront_fx.c | 8 ++++---- sound/isa/wavefront/wavefront_midi.c | 24 ++++++++++++++++-------- sound/isa/wavefront/wavefront_synth.c | 7 ++++--- sound/isa/wss/wss_lib.c | 6 ++++-- 18 files changed, 80 insertions(+), 42 deletions(-) diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index 4b8dfe2e3dcb..3bfca7c59baf 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -394,7 +394,8 @@ static int snd_ad1816a_timer_open(struct snd_timer *timer) static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) { - snd_assert(timer != NULL, return 0); + if (snd_BUG_ON(!timer)) + return 0; return 10000; } @@ -961,7 +962,8 @@ int __devinit snd_ad1816a_mixer(struct snd_ad1816a *chip) unsigned int idx; int err; - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c index 33e9cf178b8b..6a85fdc53b60 100644 --- a/sound/isa/cs423x/cs4236_lib.c +++ b/sound/isa/cs423x/cs4236_lib.c @@ -967,7 +967,8 @@ int snd_cs4236_mixer(struct snd_wss *chip) int err; struct snd_kcontrol_new *kcontrol; - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; strcpy(card->mixername, snd_wss_chip_id(chip)); diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c index 1e1e575b1db3..4fbb508a817f 100644 --- a/sound/isa/es1688/es1688_lib.c +++ b/sound/isa/es1688/es1688_lib.c @@ -1009,7 +1009,8 @@ int snd_es1688_mixer(struct snd_es1688 *chip) int err; unsigned char reg, val; - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c index cccc16c8113f..12eb98f2f931 100644 --- a/sound/isa/gus/gus_main.c +++ b/sound/isa/gus/gus_main.c @@ -276,9 +276,11 @@ static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches) static unsigned char dmas[8] = {6, 1, 0, 2, 0, 3, 4, 5}; - snd_assert(gus != NULL, return -EINVAL); + if (snd_BUG_ON(!gus)) + return -EINVAL; card = gus->card; - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; gus->mix_cntrl_reg &= 0xf8; gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */ diff --git a/sound/isa/gus/gus_mixer.c b/sound/isa/gus/gus_mixer.c index ebdb33469306..0dd43414016e 100644 --- a/sound/isa/gus/gus_mixer.c +++ b/sound/isa/gus/gus_mixer.c @@ -161,9 +161,11 @@ int snd_gf1_new_mixer(struct snd_gus_card * gus) unsigned int idx, max; int err; - snd_assert(gus != NULL, return -EINVAL); + if (snd_BUG_ON(!gus)) + return -EINVAL; card = gus->card; - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; if (gus->ics_flag) snd_component_add(card, "ICS2101"); diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c index 99731dc97325..38510aeb21c6 100644 --- a/sound/isa/gus/gus_pcm.c +++ b/sound/isa/gus/gus_pcm.c @@ -352,8 +352,10 @@ static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); len = samples_to_bytes(runtime, count); - snd_assert(bpos <= pcmp->dma_size, return -EIO); - snd_assert(bpos + len <= pcmp->dma_size, return -EIO); + if (snd_BUG_ON(bpos > pcmp->dma_size)) + return -EIO; + if (snd_BUG_ON(bpos + len > pcmp->dma_size)) + return -EIO; if (copy_from_user(runtime->dma_area + bpos, src, len)) return -EFAULT; if (snd_gf1_pcm_use_dma && len > 32) { @@ -381,8 +383,10 @@ static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); len = samples_to_bytes(runtime, count); - snd_assert(bpos <= pcmp->dma_size, return -EIO); - snd_assert(bpos + len <= pcmp->dma_size, return -EIO); + if (snd_BUG_ON(bpos > pcmp->dma_size)) + return -EIO; + if (snd_BUG_ON(bpos + len > pcmp->dma_size)) + return -EIO; snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count); if (snd_gf1_pcm_use_dma && len > 32) { return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c index 4641daa7844d..440755cc0013 100644 --- a/sound/isa/opti9xx/miro.c +++ b/sound/isa/opti9xx/miro.c @@ -675,7 +675,8 @@ static int __devinit snd_miro_mixer(struct snd_miro *miro) unsigned int idx; int err; - snd_assert(miro != NULL && miro->card != NULL, return -EINVAL); + if (snd_BUG_ON(!miro || !miro->card)) + return -EINVAL; card = miro->card; diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c index b35be7d9a9fa..96678d5d3834 100644 --- a/sound/isa/sb/emu8000.c +++ b/sound/isa/sb/emu8000.c @@ -1023,7 +1023,8 @@ snd_emu8000_create_mixer(struct snd_card *card, struct snd_emu8000 *emu) { int i, err = 0; - snd_assert(emu != NULL && card != NULL, return -EINVAL); + if (snd_BUG_ON(!emu || !card)) + return -EINVAL; spin_lock_init(&emu->control_lock); diff --git a/sound/isa/sb/emu8000_patch.c b/sound/isa/sb/emu8000_patch.c index 1be16c9700f0..c99c6078be33 100644 --- a/sound/isa/sb/emu8000_patch.c +++ b/sound/isa/sb/emu8000_patch.c @@ -156,7 +156,8 @@ snd_emu8000_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, struct snd_emu8000 *emu; emu = rec->hw; - snd_assert(sp != NULL, return -EINVAL); + if (snd_BUG_ON(!sp)) + return -EINVAL; if (sp->v.size == 0) return 0; diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c index 35f3d7b16536..49037d074c71 100644 --- a/sound/isa/sb/sb16_csp.c +++ b/sound/isa/sb/sb16_csp.c @@ -198,7 +198,8 @@ static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned i struct snd_sb_csp_start start_info; int err; - snd_assert(p != NULL, return -EINVAL); + if (snd_BUG_ON(!p)) + return -EINVAL; if (snd_sb_csp_check_version(p)) return -ENODEV; @@ -1046,7 +1047,8 @@ static int snd_sb_qsound_build(struct snd_sb_csp * p) struct snd_card *card; int err; - snd_assert(p != NULL, return -EINVAL); + if (snd_BUG_ON(!p)) + return -EINVAL; card = p->chip->card; p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2; @@ -1071,7 +1073,8 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p) struct snd_card *card; unsigned long flags; - snd_assert(p != NULL, return); + if (snd_BUG_ON(!p)) + return; card = p->chip->card; diff --git a/sound/isa/sb/sb16_main.c b/sound/isa/sb/sb16_main.c index f7e8192270ae..2a6cc1cfe945 100644 --- a/sound/isa/sb/sb16_main.c +++ b/sound/isa/sb/sb16_main.c @@ -669,7 +669,8 @@ static int snd_sb16_capture_close(struct snd_pcm_substream *substream) static int snd_sb16_set_dma_mode(struct snd_sb *chip, int what) { if (chip->dma8 < 0 || chip->dma16 < 0) { - snd_assert(what == 0, return -EINVAL); + if (snd_BUG_ON(what)) + return -EINVAL; return 0; } if (what == 0) { diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c index fe03bb820532..658d55769c9c 100644 --- a/sound/isa/sb/sb8_main.c +++ b/sound/isa/sb/sb8_main.c @@ -111,7 +111,9 @@ static int snd_sb8_playback_prepare(struct snd_pcm_substream *substream) switch (chip->hardware) { case SB_HW_PRO: if (runtime->channels > 1) { - snd_assert(rate == SB8_RATE(11025) || rate == SB8_RATE(22050), return -EINVAL); + if (snd_BUG_ON(rate != SB8_RATE(11025) && + rate != SB8_RATE(22050))) + return -EINVAL; chip->playback_format = SB_DSP_HI_OUTPUT_AUTO; break; } @@ -237,7 +239,9 @@ static int snd_sb8_capture_prepare(struct snd_pcm_substream *substream) switch (chip->hardware) { case SB_HW_PRO: if (runtime->channels > 1) { - snd_assert(rate == SB8_RATE(11025) || rate == SB8_RATE(22050), return -EINVAL); + if (snd_BUG_ON(rate != SB8_RATE(11025) && + rate != SB8_RATE(22050))) + return -EINVAL; chip->capture_format = SB_DSP_HI_INPUT_AUTO; break; } diff --git a/sound/isa/sb/sb_common.c b/sound/isa/sb/sb_common.c index b432d9ae874b..27a651502251 100644 --- a/sound/isa/sb/sb_common.c +++ b/sound/isa/sb/sb_common.c @@ -219,7 +219,8 @@ int snd_sbdsp_create(struct snd_card *card, .dev_free = snd_sbdsp_dev_free, }; - snd_assert(r_chip != NULL, return -EINVAL); + if (snd_BUG_ON(!r_chip)) + return -EINVAL; *r_chip = NULL; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (chip == NULL) diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c index 73d4572d136b..406a431af91e 100644 --- a/sound/isa/sb/sb_mixer.c +++ b/sound/isa/sb/sb_mixer.c @@ -792,7 +792,8 @@ int snd_sbmixer_new(struct snd_sb *chip) struct snd_card *card; int err; - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; @@ -925,7 +926,8 @@ static unsigned char als4000_saved_regs[] = { static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs) { unsigned char *val = chip->saved_regs; - snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return); + if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs))) + return; for (; num_regs; num_regs--) *val++ = snd_sbmixer_read(chip, *regs++); } @@ -933,7 +935,8 @@ static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs) static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs) { unsigned char *val = chip->saved_regs; - snd_assert(num_regs <= ARRAY_SIZE(chip->saved_regs), return); + if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs))) + return; for (; num_regs; num_regs--) snd_sbmixer_write(chip, *regs++, *val++); } diff --git a/sound/isa/wavefront/wavefront_fx.c b/sound/isa/wavefront/wavefront_fx.c index 2efaa7f205aa..dfc449a2194e 100644 --- a/sound/isa/wavefront/wavefront_fx.c +++ b/sound/isa/wavefront/wavefront_fx.c @@ -180,11 +180,11 @@ snd_wavefront_fx_ioctl (struct snd_hwdep *sdev, struct file *file, unsigned short *pd; int err = 0; - snd_assert(sdev->card != NULL, return -ENODEV); - card = sdev->card; - - snd_assert(card->private_data != NULL, return -ENODEV); + if (snd_BUG_ON(!card)) + return -ENODEV; + if (snd_BUG_ON(!card->private_data)) + return -ENODEV; acard = card->private_data; dev = &acard->wavefront; diff --git a/sound/isa/wavefront/wavefront_midi.c b/sound/isa/wavefront/wavefront_midi.c index a33384a55b0f..f14a7c0b6998 100644 --- a/sound/isa/wavefront/wavefront_midi.c +++ b/sound/isa/wavefront/wavefront_midi.c @@ -235,8 +235,10 @@ static int snd_wavefront_midi_input_open(struct snd_rawmidi_substream *substream snd_wavefront_midi_t *midi; snd_wavefront_mpu_id mpu; - snd_assert(substream != NULL && substream->rmidi != NULL, return -EIO); - snd_assert(substream->rmidi->private_data != NULL, return -EIO); + if (snd_BUG_ON(!substream || !substream->rmidi)) + return -ENXIO; + if (snd_BUG_ON(!substream->rmidi->private_data)) + return -ENXIO; mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data); @@ -257,8 +259,10 @@ static int snd_wavefront_midi_output_open(struct snd_rawmidi_substream *substrea snd_wavefront_midi_t *midi; snd_wavefront_mpu_id mpu; - snd_assert(substream != NULL && substream->rmidi != NULL, return -EIO); - snd_assert(substream->rmidi->private_data != NULL, return -EIO); + if (snd_BUG_ON(!substream || !substream->rmidi)) + return -ENXIO; + if (snd_BUG_ON(!substream->rmidi->private_data)) + return -ENXIO; mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data); @@ -279,8 +283,10 @@ static int snd_wavefront_midi_input_close(struct snd_rawmidi_substream *substrea snd_wavefront_midi_t *midi; snd_wavefront_mpu_id mpu; - snd_assert(substream != NULL && substream->rmidi != NULL, return -EIO); - snd_assert(substream->rmidi->private_data != NULL, return -EIO); + if (snd_BUG_ON(!substream || !substream->rmidi)) + return -ENXIO; + if (snd_BUG_ON(!substream->rmidi->private_data)) + return -ENXIO; mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data); @@ -300,8 +306,10 @@ static int snd_wavefront_midi_output_close(struct snd_rawmidi_substream *substre snd_wavefront_midi_t *midi; snd_wavefront_mpu_id mpu; - snd_assert(substream != NULL && substream->rmidi != NULL, return -EIO); - snd_assert(substream->rmidi->private_data != NULL, return -EIO); + if (snd_BUG_ON(!substream || !substream->rmidi)) + return -ENXIO; + if (snd_BUG_ON(!substream->rmidi->private_data)) + return -ENXIO; mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data); diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c index 0bb9b9256601..4c410820a994 100644 --- a/sound/isa/wavefront/wavefront_synth.c +++ b/sound/isa/wavefront/wavefront_synth.c @@ -1648,9 +1648,10 @@ snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file, card = (struct snd_card *) hw->card; - snd_assert(card != NULL, return -ENODEV); - - snd_assert(card->private_data != NULL, return -ENODEV); + if (snd_BUG_ON(!card)) + return -ENODEV; + if (snd_BUG_ON(!card->private_data)) + return -ENODEV; acard = card->private_data; dev = &acard->wavefront; diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c index 6b7a0fc6f71d..c5beec65936d 100644 --- a/sound/isa/wss/wss_lib.c +++ b/sound/isa/wss/wss_lib.c @@ -1946,7 +1946,8 @@ static int snd_wss_info_mux(struct snd_kcontrol *kcontrol, char **ptexts = texts; struct snd_wss *chip = snd_kcontrol_chip(kcontrol); - snd_assert(chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip->card)) + return -EINVAL; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 2; uinfo->value.enumerated.items = 4; @@ -2262,7 +2263,8 @@ int snd_wss_mixer(struct snd_wss *chip) unsigned int idx; int err; - snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->pcm)) + return -EINVAL; card = chip->card; -- GitLab From da3cec35dd3c31d8706db4bf379372ce70d92118 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:12:14 +0200 Subject: [PATCH 0319/6244] ALSA: Kill snd_assert() in sound/pci/* Kill snd_assert() in sound/pci/*, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ac97/ac97_codec.c | 19 +++-- sound/pci/ad1889.c | 6 +- sound/pci/ak4531_codec.c | 10 ++- sound/pci/atiixp.c | 10 ++- sound/pci/atiixp_modem.c | 10 ++- sound/pci/azt3328.c | 6 +- sound/pci/ca0106/ca_midi.c | 20 +++-- sound/pci/cmipci.c | 9 ++- sound/pci/cs4281.c | 13 +-- sound/pci/cs46xx/cs46xx_lib.c | 72 ++++++++++------- sound/pci/cs46xx/dsp_spos.c | 51 ++++++++---- sound/pci/cs46xx/dsp_spos_scb_lib.c | 115 ++++++++++++++++----------- sound/pci/echoaudio/darla20_dsp.c | 3 +- sound/pci/echoaudio/darla24_dsp.c | 8 +- sound/pci/echoaudio/echo3g_dsp.c | 9 ++- sound/pci/echoaudio/echoaudio.c | 8 +- sound/pci/echoaudio/echoaudio_3g.c | 11 ++- sound/pci/echoaudio/echoaudio_dsp.c | 21 +++-- sound/pci/echoaudio/echoaudio_gml.c | 6 +- sound/pci/echoaudio/gina20_dsp.c | 6 +- sound/pci/echoaudio/gina24_dsp.c | 11 ++- sound/pci/echoaudio/indigo_dsp.c | 8 +- sound/pci/echoaudio/indigodj_dsp.c | 8 +- sound/pci/echoaudio/indigoio_dsp.c | 8 +- sound/pci/echoaudio/layla20_dsp.c | 9 ++- sound/pci/echoaudio/layla24_dsp.c | 11 ++- sound/pci/echoaudio/mia_dsp.c | 13 +-- sound/pci/echoaudio/midi.c | 6 +- sound/pci/echoaudio/mona_dsp.c | 6 +- sound/pci/emu10k1/emu10k1_callback.c | 6 +- sound/pci/emu10k1/emu10k1_patch.c | 23 +++--- sound/pci/emu10k1/emu10k1x.c | 18 +++-- sound/pci/emu10k1/emufx.c | 6 +- sound/pci/emu10k1/emumpu401.c | 18 +++-- sound/pci/emu10k1/memory.c | 19 +++-- sound/pci/emu10k1/voice.c | 9 ++- sound/pci/es1938.c | 3 +- sound/pci/es1968.c | 6 +- sound/pci/hda/hda_codec.c | 21 +++-- sound/pci/hda/hda_generic.c | 3 +- sound/pci/hda/hda_intel.c | 3 +- sound/pci/hda/patch_realtek.c | 6 +- sound/pci/ice1712/ak4xxx.c | 3 +- sound/pci/ice1712/ews.c | 9 ++- sound/pci/ice1712/ice1712.c | 3 +- sound/pci/ice1712/ice1724.c | 3 +- sound/pci/ice1712/juli.c | 3 +- sound/pci/intel8x0.c | 4 +- sound/pci/intel8x0m.c | 3 +- sound/pci/korg1212/korg1212.c | 9 ++- sound/pci/maestro3.c | 10 ++- sound/pci/mixart/mixart.c | 4 +- sound/pci/mixart/mixart_core.c | 18 +++-- sound/pci/mixart/mixart_hwdep.c | 19 +++-- sound/pci/mixart/mixart_mixer.c | 8 +- sound/pci/nm256/nm256.c | 15 ++-- sound/pci/pcxhr/pcxhr.c | 6 +- sound/pci/pcxhr/pcxhr_core.c | 27 ++++--- sound/pci/pcxhr/pcxhr_hwdep.c | 15 ++-- sound/pci/riptide/riptide.c | 18 +++-- sound/pci/rme9652/hdsp.c | 25 +++--- sound/pci/rme9652/hdspm.c | 34 ++++---- sound/pci/rme9652/rme9652.c | 23 +++--- sound/pci/sonicvibes.c | 10 ++- sound/pci/trident/trident_main.c | 22 +++-- sound/pci/trident/trident_memory.c | 24 ++++-- sound/pci/via82xx.c | 8 +- sound/pci/via82xx_modem.c | 3 +- sound/pci/vx222/vx222_ops.c | 12 ++- sound/pci/ymfpci/ymfpci_main.c | 21 +++-- 70 files changed, 632 insertions(+), 361 deletions(-) diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 171559c19b3d..d0023e99bdf9 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1890,8 +1890,8 @@ int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, .dev_free = snd_ac97_bus_dev_free, }; - snd_assert(card != NULL, return -EINVAL); - snd_assert(rbus != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; bus = kzalloc(sizeof(*bus), GFP_KERNEL); if (bus == NULL) return -ENOMEM; @@ -1906,7 +1906,8 @@ int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, snd_ac97_bus_free(bus); return err; } - *rbus = bus; + if (rbus) + *rbus = bus; return 0; } @@ -1991,10 +1992,14 @@ int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, .dev_disconnect = snd_ac97_dev_disconnect, }; - snd_assert(rac97 != NULL, return -EINVAL); - *rac97 = NULL; - snd_assert(bus != NULL && template != NULL, return -EINVAL); - snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL); + if (rac97) + *rac97 = NULL; + if (snd_BUG_ON(!bus || !template)) + return -EINVAL; + if (snd_BUG_ON(template->num >= 4)) + return -EINVAL; + if (bus->codec[template->num]) + return -EBUSY; card = bus->card; ac97 = kzalloc(sizeof(*ac97), GFP_KERNEL); diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c index 39ec55b57b1e..92f3a976ef2e 100644 --- a/sound/pci/ad1889.c +++ b/sound/pci/ad1889.c @@ -549,7 +549,8 @@ snd_ad1889_playback_pointer(struct snd_pcm_substream *ss) ptr = ad1889_readl(chip, AD_DMA_WAVCA); ptr -= chip->wave.addr; - snd_assert((ptr >= 0) && (ptr < chip->wave.size), return 0); + if (snd_BUG_ON(ptr >= chip->wave.size)) + return 0; return bytes_to_frames(ss->runtime, ptr); } @@ -567,7 +568,8 @@ snd_ad1889_capture_pointer(struct snd_pcm_substream *ss) ptr = ad1889_readl(chip, AD_DMA_ADCCA); ptr -= chip->ramc.addr; - snd_assert((ptr >= 0) && (ptr < chip->ramc.size), return 0); + if (snd_BUG_ON(ptr >= chip->ramc.size)) + return 0; return bytes_to_frames(ss->runtime, ptr); } diff --git a/sound/pci/ak4531_codec.c b/sound/pci/ak4531_codec.c index 33d37b1c42fc..0f819ddb3ebf 100644 --- a/sound/pci/ak4531_codec.c +++ b/sound/pci/ak4531_codec.c @@ -392,9 +392,10 @@ int __devinit snd_ak4531_mixer(struct snd_card *card, .dev_free = snd_ak4531_dev_free, }; - snd_assert(rak4531 != NULL, return -EINVAL); - *rak4531 = NULL; - snd_assert(card != NULL && _ak4531 != NULL, return -EINVAL); + if (snd_BUG_ON(!card || !_ak4531)) + return -EINVAL; + if (rak4531) + *rak4531 = NULL; ak4531 = kzalloc(sizeof(*ak4531), GFP_KERNEL); if (ak4531 == NULL) return -ENOMEM; @@ -428,7 +429,8 @@ int __devinit snd_ak4531_mixer(struct snd_card *card, #if 0 snd_ak4531_dump(ak4531); #endif - *rak4531 = ak4531; + if (rak4531) + *rak4531 = ak4531; return 0; } diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c index 457228fb22aa..ce1eb12768f4 100644 --- a/sound/pci/atiixp.c +++ b/sound/pci/atiixp.c @@ -722,7 +722,9 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) struct atiixp_dma *dma = substream->runtime->private_data; int err = 0; - snd_assert(dma->ops->enable_transfer && dma->ops->flush_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops->enable_transfer || + !dma->ops->flush_dma)) + return -EINVAL; spin_lock(&chip->reg_lock); switch (cmd) { @@ -1032,7 +1034,8 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, struct snd_pcm_runtime *runtime = substream->runtime; int err; - snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) + return -EINVAL; if (dma->opened) return -EBUSY; @@ -1064,7 +1067,8 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, { struct atiixp *chip = snd_pcm_substream_chip(substream); /* disable DMA bits */ - snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) + return -EINVAL; spin_lock_irq(&chip->reg_lock); dma->ops->enable_dma(chip, 0); spin_unlock_irq(&chip->reg_lock); diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c index d457a32a7939..2f106306c7fe 100644 --- a/sound/pci/atiixp_modem.c +++ b/sound/pci/atiixp_modem.c @@ -674,7 +674,9 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) struct atiixp_dma *dma = substream->runtime->private_data; int err = 0; - snd_assert(dma->ops->enable_transfer && dma->ops->flush_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops->enable_transfer || + !dma->ops->flush_dma)) + return -EINVAL; spin_lock(&chip->reg_lock); switch(cmd) { @@ -865,7 +867,8 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, .mask = 0, }; - snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) + return -EINVAL; if (dma->opened) return -EBUSY; @@ -895,7 +898,8 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, { struct atiixp_modem *chip = snd_pcm_substream_chip(substream); /* disable DMA bits */ - snd_assert(dma->ops && dma->ops->enable_dma, return -EINVAL); + if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) + return -EINVAL; spin_lock_irq(&chip->reg_lock); dma->ops->enable_dma(chip, 0); spin_unlock_irq(&chip->reg_lock); diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c index 22f18f3cfbc9..333007c523a1 100644 --- a/sound/pci/azt3328.c +++ b/sound/pci/azt3328.c @@ -816,7 +816,8 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip) int err; snd_azf3328_dbgcallenter(); - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; @@ -1471,7 +1472,8 @@ snd_azf3328_gameport_cooked_read(struct gameport *gameport, u8 val; unsigned long flags; - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; spin_lock_irqsave(&chip->reg_lock, flags); val = snd_azf3328_game_inb(chip, IDX_GAME_LEGACY_COMPATIBLE); diff --git a/sound/pci/ca0106/ca_midi.c b/sound/pci/ca0106/ca_midi.c index 893ee4f1ea77..c7885117da33 100644 --- a/sound/pci/ca0106/ca_midi.c +++ b/sound/pci/ca0106/ca_midi.c @@ -125,7 +125,8 @@ static int ca_midi_input_open(struct snd_rawmidi_substream *substream) struct snd_ca_midi *midi = substream->rmidi->private_data; unsigned long flags; - snd_assert(midi->dev_id, return -ENXIO); + if (snd_BUG_ON(!midi->dev_id)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= CA_MIDI_MODE_INPUT; midi->substream_input = substream; @@ -144,7 +145,8 @@ static int ca_midi_output_open(struct snd_rawmidi_substream *substream) struct snd_ca_midi *midi = substream->rmidi->private_data; unsigned long flags; - snd_assert(midi->dev_id, return -ENXIO); + if (snd_BUG_ON(!midi->dev_id)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= CA_MIDI_MODE_OUTPUT; midi->substream_output = substream; @@ -163,7 +165,8 @@ static int ca_midi_input_close(struct snd_rawmidi_substream *substream) struct snd_ca_midi *midi = substream->rmidi->private_data; unsigned long flags; - snd_assert(midi->dev_id, return -ENXIO); + if (snd_BUG_ON(!midi->dev_id)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->interrupt_disable(midi,midi->rx_enable); midi->midi_mode &= ~CA_MIDI_MODE_INPUT; @@ -181,7 +184,9 @@ static int ca_midi_output_close(struct snd_rawmidi_substream *substream) { struct snd_ca_midi *midi = substream->rmidi->private_data; unsigned long flags; - snd_assert(midi->dev_id, return -ENXIO); + + if (snd_BUG_ON(!midi->dev_id)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); @@ -201,7 +206,9 @@ static int ca_midi_output_close(struct snd_rawmidi_substream *substream) static void ca_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) { struct snd_ca_midi *midi = substream->rmidi->private_data; - snd_assert(midi->dev_id, return); + + if (snd_BUG_ON(!midi->dev_id)) + return; if (up) { midi->interrupt_enable(midi,midi->rx_enable); @@ -215,7 +222,8 @@ static void ca_midi_output_trigger(struct snd_rawmidi_substream *substream, int struct snd_ca_midi *midi = substream->rmidi->private_data; unsigned long flags; - snd_assert(midi->dev_id, return); + if (snd_BUG_ON(!midi->dev_id)) + return; if (up) { int max = 4; diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index 9971b5b7735b..1a74ca62c314 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2357,7 +2357,8 @@ static int snd_cmipci_uswitch_get(struct snd_kcontrol *kcontrol, { struct cmipci_switch_args *args; args = (struct cmipci_switch_args *)kcontrol->private_value; - snd_assert(args != NULL, return -EINVAL); + if (snd_BUG_ON(!args)) + return -EINVAL; return _snd_cmipci_uswitch_get(kcontrol, ucontrol, args); } @@ -2401,7 +2402,8 @@ static int snd_cmipci_uswitch_put(struct snd_kcontrol *kcontrol, { struct cmipci_switch_args *args; args = (struct cmipci_switch_args *)kcontrol->private_value; - snd_assert(args != NULL, return -EINVAL); + if (snd_BUG_ON(!args)) + return -EINVAL; return _snd_cmipci_uswitch_put(kcontrol, ucontrol, args); } @@ -2662,7 +2664,8 @@ static int __devinit snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_devic unsigned int idx; int err; - snd_assert(cm != NULL && cm->card != NULL, return -EINVAL); + if (snd_BUG_ON(!cm || !cm->card)) + return -EINVAL; card = cm->card; diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c index 7556fd90d0eb..ef9308f7c45b 100644 --- a/sound/pci/cs4281.c +++ b/sound/pci/cs4281.c @@ -766,13 +766,13 @@ static void snd_cs4281_mode(struct cs4281 *chip, struct cs4281_dma *dma, if (!capture) { if (dma->left_slot == chip->src_left_play_slot) { unsigned int val = snd_cs4281_rate(runtime->rate, NULL); - snd_assert(dma->right_slot == chip->src_right_play_slot, ); + snd_BUG_ON(dma->right_slot != chip->src_right_play_slot); snd_cs4281_pokeBA0(chip, BA0_DACSR, val); } } else { if (dma->left_slot == chip->src_left_rec_slot) { unsigned int val = snd_cs4281_rate(runtime->rate, NULL); - snd_assert(dma->right_slot == chip->src_right_rec_slot, ); + snd_BUG_ON(dma->right_slot != chip->src_right_rec_slot); snd_cs4281_pokeBA0(chip, BA0_ADCSR, val); } } @@ -1209,7 +1209,8 @@ static void snd_cs4281_gameport_trigger(struct gameport *gameport) { struct cs4281 *chip = gameport_get_port_data(gameport); - snd_assert(chip, return); + if (snd_BUG_ON(!chip)) + return; snd_cs4281_pokeBA0(chip, BA0_JSPT, 0xff); } @@ -1217,7 +1218,8 @@ static unsigned char snd_cs4281_gameport_read(struct gameport *gameport) { struct cs4281 *chip = gameport_get_port_data(gameport); - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; return snd_cs4281_peekBA0(chip, BA0_JSPT); } @@ -1228,7 +1230,8 @@ static int snd_cs4281_gameport_cooked_read(struct gameport *gameport, struct cs4281 *chip = gameport_get_port_data(gameport); unsigned js1, js2, jst; - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; js1 = snd_cs4281_peekBA0(chip, BA0_JSC1); js2 = snd_cs4281_peekBA0(chip, BA0_JSC2); diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index e214e567dec8..a10ab8283f9a 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -90,9 +90,10 @@ static unsigned short snd_cs46xx_codec_read(struct snd_cs46xx *chip, int count; unsigned short result,tmp; u32 offset = 0; - snd_assert ( (codec_index == CS46XX_PRIMARY_CODEC_INDEX) || - (codec_index == CS46XX_SECONDARY_CODEC_INDEX), - return -EINVAL); + + if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && + codec_index != CS46XX_SECONDARY_CODEC_INDEX)) + return -EINVAL; chip->active_ctrl(chip, 1); @@ -212,9 +213,9 @@ static unsigned short snd_cs46xx_ac97_read(struct snd_ac97 * ac97, unsigned short val; int codec_index = ac97->num; - snd_assert(codec_index == CS46XX_PRIMARY_CODEC_INDEX || - codec_index == CS46XX_SECONDARY_CODEC_INDEX, - return 0xffff); + if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && + codec_index != CS46XX_SECONDARY_CODEC_INDEX)) + return 0xffff; val = snd_cs46xx_codec_read(chip, reg, codec_index); @@ -229,9 +230,9 @@ static void snd_cs46xx_codec_write(struct snd_cs46xx *chip, { int count; - snd_assert ((codec_index == CS46XX_PRIMARY_CODEC_INDEX) || - (codec_index == CS46XX_SECONDARY_CODEC_INDEX), - return); + if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && + codec_index != CS46XX_SECONDARY_CODEC_INDEX)) + return; chip->active_ctrl(chip, 1); @@ -294,9 +295,9 @@ static void snd_cs46xx_ac97_write(struct snd_ac97 *ac97, struct snd_cs46xx *chip = ac97->private_data; int codec_index = ac97->num; - snd_assert(codec_index == CS46XX_PRIMARY_CODEC_INDEX || - codec_index == CS46XX_SECONDARY_CODEC_INDEX, - return); + if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && + codec_index != CS46XX_SECONDARY_CODEC_INDEX)) + return; snd_cs46xx_codec_write(chip, reg, val, codec_index); } @@ -315,7 +316,8 @@ int snd_cs46xx_download(struct snd_cs46xx *chip, unsigned int bank = offset >> 16; offset = offset & 0xffff; - snd_assert(!(offset & 3) && !(len & 3), return -EINVAL); + if (snd_BUG_ON((offset & 3) || (len & 3))) + return -EINVAL; dst = chip->region.idx[bank+1].remap_addr + offset; len /= sizeof(u32); @@ -343,7 +345,8 @@ int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned int bank = offset >> 16; offset = offset & 0xffff; - snd_assert(!(offset & 3) && !(len & 3), return -EINVAL); + if (snd_BUG_ON((offset & 3) || (len & 3))) + return -EINVAL; dst = chip->region.idx[bank+1].remap_addr + offset; len /= sizeof(u32); @@ -722,7 +725,9 @@ static snd_pcm_uframes_t snd_cs46xx_playback_direct_pointer(struct snd_pcm_subst struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); size_t ptr; struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data; - snd_assert (cpcm->pcm_channel,return -ENXIO); + + if (snd_BUG_ON(!cpcm->pcm_channel)) + return -ENXIO; #ifdef CONFIG_SND_CS46XX_NEW_DSP ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2); @@ -740,7 +745,8 @@ static snd_pcm_uframes_t snd_cs46xx_playback_indirect_pointer(struct snd_pcm_sub struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data; #ifdef CONFIG_SND_CS46XX_NEW_DSP - snd_assert (cpcm->pcm_channel,return -ENXIO); + if (snd_BUG_ON(!cpcm->pcm_channel)) + return -ENXIO; ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2); #else ptr = snd_cs46xx_peek(chip, BA1_PBA); @@ -908,7 +914,8 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, cpcm = runtime->private_data; #ifdef CONFIG_SND_CS46XX_NEW_DSP - snd_assert (sample_rate != 0, return -ENXIO); + if (snd_BUG_ON(!sample_rate)) + return -ENXIO; mutex_lock(&chip->spos_mutex); @@ -917,7 +924,7 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, return -ENXIO; } - snd_assert (cpcm->pcm_channel != NULL); + snd_BUG_ON(!cpcm->pcm_channel); if (!cpcm->pcm_channel) { mutex_unlock(&chip->spos_mutex); return -ENXIO; @@ -952,7 +959,7 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) { substream->ops = &snd_cs46xx_playback_iec958_ops; } else { - snd_assert(0); + snd_BUG(); } #else substream->ops = &snd_cs46xx_playback_ops; @@ -981,7 +988,7 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) { substream->ops = &snd_cs46xx_playback_indirect_iec958_ops; } else { - snd_assert(0); + snd_BUG(); } #else substream->ops = &snd_cs46xx_playback_indirect_ops; @@ -1029,7 +1036,8 @@ static int snd_cs46xx_playback_prepare(struct snd_pcm_substream *substream) cpcm = runtime->private_data; #ifdef CONFIG_SND_CS46XX_NEW_DSP - snd_assert (cpcm->pcm_channel != NULL, return -ENXIO); + if (snd_BUG_ON(!cpcm->pcm_channel)) + return -ENXIO; pfie = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2 ); pfie &= ~0x0000f03f; @@ -1714,9 +1722,9 @@ static void snd_cs46xx_mixer_free_ac97(struct snd_ac97 *ac97) { struct snd_cs46xx *chip = ac97->private_data; - snd_assert ((ac97 == chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]) || - (ac97 == chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]), - return); + if (snd_BUG_ON(ac97 != chip->ac97[CS46XX_PRIMARY_CODEC_INDEX] && + ac97 != chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])) + return; if (ac97 == chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]) { chip->ac97[CS46XX_PRIMARY_CODEC_INDEX] = NULL; @@ -1864,7 +1872,7 @@ static int snd_cs46xx_iec958_put(struct snd_kcontrol *kcontrol, break; default: res = -EINVAL; - snd_assert(0, (void)0); + snd_BUG(); /* should never happen ... */ } return res; @@ -2236,7 +2244,7 @@ static void snd_cs46xx_codec_reset (struct snd_ac97 * ac97) snd_printdd("cs46xx: CODOEC2 mode %04x\n",0x3); snd_cs46xx_ac97_write(ac97,AC97_CSR_ACMODE,0x3); } else { - snd_assert(0); /* should never happen ... */ + snd_BUG(); /* should never happen ... */ } udelay(50); @@ -2553,7 +2561,8 @@ static void snd_cs46xx_gameport_trigger(struct gameport *gameport) { struct snd_cs46xx *chip = gameport_get_port_data(gameport); - snd_assert(chip, return); + if (snd_BUG_ON(!chip)) + return; snd_cs46xx_pokeBA0(chip, BA0_JSPT, 0xFF); //outb(gameport->io, 0xFF); } @@ -2561,7 +2570,8 @@ static unsigned char snd_cs46xx_gameport_read(struct gameport *gameport) { struct snd_cs46xx *chip = gameport_get_port_data(gameport); - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; return snd_cs46xx_peekBA0(chip, BA0_JSPT); //inb(gameport->io); } @@ -2570,7 +2580,8 @@ static int snd_cs46xx_gameport_cooked_read(struct gameport *gameport, int *axes, struct snd_cs46xx *chip = gameport_get_port_data(gameport); unsigned js1, js2, jst; - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; js1 = snd_cs46xx_peekBA0(chip, BA0_JSC1); js2 = snd_cs46xx_peekBA0(chip, BA0_JSC2); @@ -2754,7 +2765,8 @@ static int snd_cs46xx_free(struct snd_cs46xx *chip) { int idx; - snd_assert(chip != NULL, return -EINVAL); + if (snd_BUG_ON(!chip)) + return -EINVAL; if (chip->active_ctrl) chip->active_ctrl(chip, 1); diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index ccc8bedb5b1a..f4f0c8f5dad7 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -63,7 +63,8 @@ static int shadow_and_reallocate_code (struct snd_cs46xx * chip, u32 * data, u32 u32 mop_operands,mop_type,wide_op; struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert( ((size % 2) == 0), return -EINVAL); + if (snd_BUG_ON(size %2)) + return -EINVAL; while (i < size) { loval = data[i++]; @@ -289,7 +290,8 @@ void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip) int i; struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert(ins != NULL, return); + if (snd_BUG_ON(!ins)) + return; mutex_lock(&chip->spos_mutex); for (i = 0; i < ins->nscb; ++i) { @@ -404,7 +406,8 @@ int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * m /* if module has a code segment it must have symbol table */ - snd_assert(module->symbol_table.symbols != NULL ,return -ENOMEM); + if (snd_BUG_ON(!module->symbol_table.symbols)) + return -ENOMEM; if (add_symbols(chip,module)) { snd_printk(KERN_ERR "dsp_spos: failed to load symbol table\n"); return -ENOMEM; @@ -1369,7 +1372,8 @@ int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip) valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV); - snd_assert (chip->nr_ac97_codecs == 1 || chip->nr_ac97_codecs == 2); + if (snd_BUG_ON(chip->nr_ac97_codecs != 1 && chip->nr_ac97_codecs != 2)) + goto _fail_end; if (chip->nr_ac97_codecs == 1) { /* output on slot 5 and 11 @@ -1609,11 +1613,14 @@ static int cs46xx_dsp_async_init (struct snd_cs46xx *chip, spdifo_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFOSCB",(u32 *)&spdifo_scb,SPDIFO_SCB_INST); - snd_assert(spdifo_scb_desc, return -EIO); + if (snd_BUG_ON(!spdifo_scb_desc)) + return -EIO; spdifi_scb_desc = cs46xx_dsp_create_scb(chip,"SPDIFISCB",(u32 *)&spdifi_scb,SPDIFI_SCB_INST); - snd_assert(spdifi_scb_desc, return -EIO); + if (snd_BUG_ON(!spdifi_scb_desc)) + return -EIO; async_codec_scb_desc = cs46xx_dsp_create_scb(chip,"AsynCodecInputSCB",(u32 *)&async_codec_input_scb, HFG_TREE_SCB); - snd_assert(async_codec_scb_desc, return -EIO); + if (snd_BUG_ON(!async_codec_scb_desc)) + return -EIO; async_codec_scb_desc->parent_scb_ptr = NULL; async_codec_scb_desc->next_scb_ptr = spdifi_scb_desc; @@ -1698,8 +1705,10 @@ int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip) chip->active_ctrl(chip, 1); chip->amplifier_ctrl(chip, 1); - snd_assert (ins->asynch_rx_scb == NULL,return -EINVAL); - snd_assert (ins->spdif_in_src != NULL,return -EINVAL); + if (snd_BUG_ON(ins->asynch_rx_scb)) + return -EINVAL; + if (snd_BUG_ON(!ins->spdif_in_src)) + return -EINVAL; mutex_lock(&chip->spos_mutex); @@ -1754,8 +1763,10 @@ int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->asynch_rx_scb != NULL, return -EINVAL); - snd_assert (ins->spdif_in_src != NULL,return -EINVAL); + if (snd_BUG_ON(!ins->asynch_rx_scb)) + return -EINVAL; + if (snd_BUG_ON(!ins->spdif_in_src)) + return -EINVAL; mutex_lock(&chip->spos_mutex); @@ -1780,8 +1791,10 @@ int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->pcm_input == NULL,return -EINVAL); - snd_assert (ins->ref_snoop_scb != NULL,return -EINVAL); + if (snd_BUG_ON(ins->pcm_input)) + return -EINVAL; + if (snd_BUG_ON(!ins->ref_snoop_scb)) + return -EINVAL; mutex_lock(&chip->spos_mutex); ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR, @@ -1795,7 +1808,8 @@ int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->pcm_input != NULL,return -EINVAL); + if (snd_BUG_ON(!ins->pcm_input)) + return -EINVAL; mutex_lock(&chip->spos_mutex); cs46xx_dsp_remove_scb (chip,ins->pcm_input); @@ -1809,8 +1823,10 @@ int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->adc_input == NULL,return -EINVAL); - snd_assert (ins->codec_in_scb != NULL,return -EINVAL); + if (snd_BUG_ON(ins->adc_input)) + return -EINVAL; + if (snd_BUG_ON(!ins->codec_in_scb)) + return -EINVAL; mutex_lock(&chip->spos_mutex); ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR, @@ -1824,7 +1840,8 @@ int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->adc_input != NULL,return -EINVAL); + if (snd_BUG_ON(!ins->adc_input)) + return -EINVAL; mutex_lock(&chip->spos_mutex); cs46xx_dsp_remove_scb (chip,ins->adc_input); diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c index 2873cfe48c33..dd7c41b037b4 100644 --- a/sound/pci/cs46xx/dsp_spos_scb_lib.c +++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c @@ -46,8 +46,11 @@ static void remove_symbol (struct snd_cs46xx * chip, struct dsp_symbol_entry * s struct dsp_spos_instance * ins = chip->dsp_spos_instance; int symbol_index = (int)(symbol - ins->symbol_table.symbols); - snd_assert(ins->symbol_table.nsymbols > 0,return); - snd_assert(symbol_index >= 0 && symbol_index < ins->symbol_table.nsymbols, return); + if (snd_BUG_ON(ins->symbol_table.nsymbols <= 0)) + return; + if (snd_BUG_ON(symbol_index < 0 || + symbol_index >= ins->symbol_table.nsymbols)) + return; ins->symbol_table.symbols[symbol_index].deleted = 1; @@ -116,8 +119,9 @@ static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor if ( scb->parent_scb_ptr ) { /* unlink parent SCB */ - snd_assert ((scb->parent_scb_ptr->sub_list_ptr == scb || - scb->parent_scb_ptr->next_scb_ptr == scb),return); + if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr != scb && + scb->parent_scb_ptr->next_scb_ptr != scb)) + return; if (scb->parent_scb_ptr->sub_list_ptr == scb) { @@ -140,7 +144,6 @@ static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor scb->next_scb_ptr = ins->the_null_scb; } } else { - /* snd_assert ( (scb->sub_list_ptr == ins->the_null_scb), return); */ scb->parent_scb_ptr->next_scb_ptr = scb->next_scb_ptr; if (scb->next_scb_ptr != ins->the_null_scb) { @@ -181,16 +184,17 @@ void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor * unsigned long flags; /* check integrety */ - snd_assert ( (scb->index >= 0 && - scb->index < ins->nscb && - (ins->scbs + scb->index) == scb), return ); + if (snd_BUG_ON(scb->index < 0 || + scb->index >= ins->nscb || + (ins->scbs + scb->index) != scb)) + return; #if 0 /* can't remove a SCB with childs before removing childs first */ - snd_assert ( (scb->sub_list_ptr == ins->the_null_scb && - scb->next_scb_ptr == ins->the_null_scb), - goto _end); + if (snd_BUG_ON(scb->sub_list_ptr != ins->the_null_scb || + scb->next_scb_ptr != ins->the_null_scb)) + goto _end; #endif spin_lock_irqsave(&scb->lock, flags); @@ -198,7 +202,8 @@ void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor * spin_unlock_irqrestore(&scb->lock, flags); cs46xx_dsp_proc_free_scb_desc(scb); - snd_assert (scb->scb_symbol != NULL, return ); + if (snd_BUG_ON(!scb->scb_symbol)) + return; remove_symbol (chip,scb->scb_symbol); ins->scbs[scb->index].deleted = 1; @@ -234,7 +239,6 @@ void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb) snd_info_free_entry(scb->proc_info); scb->proc_info = NULL; - snd_assert (scb_info != NULL, return); kfree (scb_info); } } @@ -291,7 +295,8 @@ _dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u unsigned long flags; - snd_assert (ins->the_null_scb != NULL,return NULL); + if (snd_BUG_ON(!ins->the_null_scb)) + return NULL; /* fill the data that will be wroten to DSP */ scb_data[SCBsubListPtr] = @@ -321,18 +326,20 @@ _dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u #endif /* link to parent SCB */ if (scb_child_type == SCB_ON_PARENT_NEXT_SCB) { - snd_assert ( (scb->parent_scb_ptr->next_scb_ptr == ins->the_null_scb), - return NULL); + if (snd_BUG_ON(scb->parent_scb_ptr->next_scb_ptr != + ins->the_null_scb)) + return NULL; scb->parent_scb_ptr->next_scb_ptr = scb; } else if (scb_child_type == SCB_ON_PARENT_SUBLIST_SCB) { - snd_assert ( (scb->parent_scb_ptr->sub_list_ptr == ins->the_null_scb), - return NULL); + if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr != + ins->the_null_scb)) + return NULL; scb->parent_scb_ptr->sub_list_ptr = scb; } else { - snd_assert (0,return NULL); + snd_BUG(); } spin_lock_irqsave(&chip->reg_lock, flags); @@ -675,7 +682,7 @@ cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name, if (pass_through) { /* wont work with any other rate than the native DSP rate */ - snd_assert (rate == 48000); + snd_BUG_ON(rate != 48000); scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb, dest,"DMAREADER",parent_scb, @@ -1142,7 +1149,8 @@ find_next_free_scb (struct snd_cs46xx * chip, struct dsp_scb_descriptor * from) struct dsp_scb_descriptor * scb = from; while (scb->next_scb_ptr != ins->the_null_scb) { - snd_assert (scb->next_scb_ptr != NULL, return NULL); + if (snd_BUG_ON(!scb->next_scb_ptr)) + return NULL; scb = scb->next_scb_ptr; } @@ -1246,10 +1254,11 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, break; case DSP_PCM_S71_CHANNEL: /* TODO */ - snd_assert(0); + snd_BUG(); break; case DSP_IEC958_CHANNEL: - snd_assert (ins->asynch_tx_scb != NULL, return NULL); + if (snd_BUG_ON(!ins->asynch_tx_scb)) + return NULL; mixer_scb = ins->asynch_tx_scb; /* if sample rate is set to 48khz we pass @@ -1262,7 +1271,7 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, } break; default: - snd_assert (0); + snd_BUG(); return NULL; } /* default sample rate is 44100 */ @@ -1308,7 +1317,8 @@ cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, break; } } - snd_assert (src_index != -1,return NULL); + if (snd_BUG_ON(src_index == -1)) + return NULL; /* we need to create a new SRC SCB */ if (mixer_scb->sub_list_ptr == ins->the_null_scb) { @@ -1462,9 +1472,10 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip, struct dsp_spos_instance * ins = chip->dsp_spos_instance; unsigned long flags; - snd_assert(pcm_channel->active, return ); - snd_assert(ins->npcm_channels > 0, return ); - snd_assert(pcm_channel->src_scb->ref_count > 0, return ); + if (snd_BUG_ON(!pcm_channel->active || + ins->npcm_channels <= 0 || + pcm_channel->src_scb->ref_count <= 0)) + return; spin_lock_irqsave(&chip->reg_lock, flags); pcm_channel->unlinked = 1; @@ -1479,8 +1490,9 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip, if (!pcm_channel->src_scb->ref_count) { cs46xx_dsp_remove_scb(chip,pcm_channel->src_scb); - snd_assert (pcm_channel->src_slot >= 0 && pcm_channel->src_slot < DSP_MAX_SRC_NR, - return ); + if (snd_BUG_ON(pcm_channel->src_slot < 0 || + pcm_channel->src_slot >= DSP_MAX_SRC_NR)) + return; ins->src_scb_slots[pcm_channel->src_slot] = 0; ins->nsrc_scb --; @@ -1490,11 +1502,11 @@ void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip, int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip, struct dsp_pcm_channel_descriptor * pcm_channel) { - struct dsp_spos_instance * ins = chip->dsp_spos_instance; unsigned long flags; - snd_assert(pcm_channel->active,return -EIO); - snd_assert(ins->npcm_channels > 0,return -EIO); + if (snd_BUG_ON(!pcm_channel->active || + chip->dsp_spos_instance->npcm_channels <= 0)) + return -EIO; spin_lock(&pcm_channel->src_scb->lock); @@ -1537,7 +1549,7 @@ int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip, src_scb->sub_list_ptr = pcm_channel->pcm_reader_scb; - snd_assert (pcm_channel->pcm_reader_scb->parent_scb_ptr == NULL, ; ); + snd_BUG_ON(pcm_channel->pcm_reader_scb->parent_scb_ptr); pcm_channel->pcm_reader_scb->parent_scb_ptr = parent_scb; spin_lock_irqsave(&chip->reg_lock, flags); @@ -1564,7 +1576,8 @@ cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * s struct dsp_scb_descriptor * pcm_input; int insert_point; - snd_assert (ins->record_mixer_scb != NULL,return NULL); + if (snd_BUG_ON(!ins->record_mixer_scb)) + return NULL; if (ins->record_mixer_scb->sub_list_ptr != ins->the_null_scb) { parent = find_next_free_scb (chip,ins->record_mixer_scb->sub_list_ptr); @@ -1583,7 +1596,8 @@ cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * s int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src) { - snd_assert (src->parent_scb_ptr != NULL, return -EINVAL ); + if (snd_BUG_ON(!src->parent_scb_ptr)) + return -EINVAL; /* mute SCB */ cs46xx_dsp_scb_set_volume (chip,src,0,0); @@ -1598,8 +1612,10 @@ int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src) struct dsp_spos_instance * ins = chip->dsp_spos_instance; struct dsp_scb_descriptor * parent_scb; - snd_assert (src->parent_scb_ptr == NULL, return -EINVAL ); - snd_assert(ins->master_mix_scb !=NULL, return -EINVAL ); + if (snd_BUG_ON(src->parent_scb_ptr)) + return -EINVAL; + if (snd_BUG_ON(!ins->master_mix_scb)) + return -EINVAL; if (ins->master_mix_scb->sub_list_ptr != ins->the_null_scb) { parent_scb = find_next_free_scb (chip,ins->master_mix_scb->sub_list_ptr); @@ -1635,8 +1651,11 @@ int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip) return -EBUSY; } - snd_assert (ins->asynch_tx_scb == NULL, return -EINVAL); - snd_assert (ins->master_mix_scb->next_scb_ptr == ins->the_null_scb, return -EINVAL); + if (snd_BUG_ON(ins->asynch_tx_scb)) + return -EINVAL; + if (snd_BUG_ON(ins->master_mix_scb->next_scb_ptr != + ins->the_null_scb)) + return -EINVAL; /* reset output snooper sample buffer pointer */ snd_cs46xx_poke (chip, (ins->ref_snoop_scb->address + 2) << 2, @@ -1676,10 +1695,15 @@ int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip) } /* check integrety */ - snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL); - snd_assert (ins->spdif_pcm_input_scb != NULL,return -EINVAL); - snd_assert (ins->master_mix_scb->next_scb_ptr == ins->asynch_tx_scb, return -EINVAL); - snd_assert (ins->asynch_tx_scb->parent_scb_ptr == ins->master_mix_scb, return -EINVAL); + if (snd_BUG_ON(!ins->asynch_tx_scb)) + return -EINVAL; + if (snd_BUG_ON(!ins->spdif_pcm_input_scb)) + return -EINVAL; + if (snd_BUG_ON(ins->master_mix_scb->next_scb_ptr != ins->asynch_tx_scb)) + return -EINVAL; + if (snd_BUG_ON(ins->asynch_tx_scb->parent_scb_ptr != + ins->master_mix_scb)) + return -EINVAL; cs46xx_dsp_remove_scb (chip,ins->spdif_pcm_input_scb); cs46xx_dsp_remove_scb (chip,ins->asynch_tx_scb); @@ -1734,7 +1758,8 @@ int cs46xx_iec958_post_close (struct snd_cs46xx *chip) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL); + if (snd_BUG_ON(!ins->asynch_tx_scb)) + return -EINVAL; ins->spdif_status_out &= ~DSP_SPDIF_STATUS_PLAYBACK_OPEN; diff --git a/sound/pci/echoaudio/darla20_dsp.c b/sound/pci/echoaudio/darla20_dsp.c index 4159e3bc186f..29043301ebb8 100644 --- a/sound/pci/echoaudio/darla20_dsp.c +++ b/sound/pci/echoaudio/darla20_dsp.c @@ -34,7 +34,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Darla20\n")); - snd_assert((subdevice_id & 0xfff0) == DARLA20, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != DARLA20)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); diff --git a/sound/pci/echoaudio/darla24_dsp.c b/sound/pci/echoaudio/darla24_dsp.c index 79938eed7e9c..60228731841f 100644 --- a/sound/pci/echoaudio/darla24_dsp.c +++ b/sound/pci/echoaudio/darla24_dsp.c @@ -34,7 +34,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Darla24\n")); - snd_assert((subdevice_id & 0xfff0) == DARLA24, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != DARLA24)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -148,8 +149,9 @@ static int set_sample_rate(struct echoaudio *chip, u32 rate) static int set_input_clock(struct echoaudio *chip, u16 clock) { - snd_assert(clock == ECHO_CLOCK_INTERNAL || - clock == ECHO_CLOCK_ESYNC, return -EINVAL); + if (snd_BUG_ON(clock != ECHO_CLOCK_INTERNAL && + clock != ECHO_CLOCK_ESYNC)) + return -EINVAL; chip->input_clock = clock; return set_sample_rate(chip, chip->sample_rate); } diff --git a/sound/pci/echoaudio/echo3g_dsp.c b/sound/pci/echoaudio/echo3g_dsp.c index 48eb7c599111..417e25add82b 100644 --- a/sound/pci/echoaudio/echo3g_dsp.c +++ b/sound/pci/echoaudio/echo3g_dsp.c @@ -47,7 +47,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) local_irq_enable(); DE_INIT(("init_hw() - Echo3G\n")); - snd_assert((subdevice_id & 0xfff0) == ECHO3G, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != ECHO3G)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -104,9 +105,11 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) if ((err = init_line_levels(chip)) < 0) return err; err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); - snd_assert(err >= 0, return err); + if (err < 0) + return err; err = set_phantom_power(chip, 0); - snd_assert(err >= 0, return err); + if (err < 0) + return err; err = set_professional_spdif(chip, TRUE); DE_INIT(("init_hw done\n")); diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c index e16dc92e82fb..160d47054922 100644 --- a/sound/pci/echoaudio/echoaudio.c +++ b/sound/pci/echoaudio/echoaudio.c @@ -503,7 +503,7 @@ static int init_engine(struct snd_pcm_substream *substream, if (pipe->index >= 0) { DE_HWP(("hwp_ie free(%d)\n", pipe->index)); err = free_pipes(chip, pipe); - snd_assert(!err); + snd_BUG_ON(err); chip->substream[pipe->index] = NULL; } @@ -690,8 +690,10 @@ static int pcm_prepare(struct snd_pcm_substream *substream) return -EINVAL; } - snd_assert(pipe_index < px_num(chip), return -EINVAL); - snd_assert(is_pipe_allocated(chip, pipe_index), return -EINVAL); + if (snd_BUG_ON(pipe_index >= px_num(chip))) + return -EINVAL; + if (snd_BUG_ON(!is_pipe_allocated(chip, pipe_index))) + return -EINVAL; set_audio_format(chip, pipe_index, &format); return 0; } diff --git a/sound/pci/echoaudio/echoaudio_3g.c b/sound/pci/echoaudio/echoaudio_3g.c index 52a933189576..c3736bbd819e 100644 --- a/sound/pci/echoaudio/echoaudio_3g.c +++ b/sound/pci/echoaudio/echoaudio_3g.c @@ -103,9 +103,11 @@ static int set_digital_mode(struct echoaudio *chip, u8 mode) int err, i, o; /* All audio channels must be closed before changing the digital mode */ - snd_assert(!chip->pipe_alloc_mask, return -EAGAIN); + if (snd_BUG_ON(chip->pipe_alloc_mask)) + return -EAGAIN; - snd_assert(chip->digital_modes & (1 << mode), return -EINVAL); + if (snd_BUG_ON(!(chip->digital_modes & (1 << mode)))) + return -EINVAL; previous_mode = chip->digital_mode; err = dsp_set_digital_mode(chip, mode); @@ -267,8 +269,9 @@ static int set_sample_rate(struct echoaudio *chip, u32 rate) return 0; } - snd_assert(rate < 50000 || chip->digital_mode != DIGITAL_MODE_ADAT, - return -EINVAL); + if (snd_BUG_ON(rate >= 50000 && + chip->digital_mode == DIGITAL_MODE_ADAT)) + return -EINVAL; clock = 0; control_reg = le32_to_cpu(chip->comm_page->control_register); diff --git a/sound/pci/echoaudio/echoaudio_dsp.c b/sound/pci/echoaudio/echoaudio_dsp.c index e6c100770392..be0e18192de3 100644 --- a/sound/pci/echoaudio/echoaudio_dsp.c +++ b/sound/pci/echoaudio/echoaudio_dsp.c @@ -474,7 +474,8 @@ static int load_firmware(struct echoaudio *chip) const struct firmware *fw; int box_type, err; - snd_assert(chip->dsp_code_to_load && chip->comm_page, return -EPERM); + if (snd_BUG_ON(!chip->dsp_code_to_load || !chip->comm_page)) + return -EPERM; /* See if the ASIC is present and working - only if the DSP is already loaded */ if (chip->dsp_code) { @@ -512,8 +513,8 @@ static int load_firmware(struct echoaudio *chip) /* Set the nominal level for an input or output bus (true = -10dBV, false = +4dBu) */ static int set_nominal_level(struct echoaudio *chip, u16 index, char consumer) { - snd_assert(index < num_busses_out(chip) + num_busses_in(chip), - return -EINVAL); + if (snd_BUG_ON(index >= num_busses_out(chip) + num_busses_in(chip))) + return -EINVAL; /* Wait for the handshake (OK even if ASIC is not loaded) */ if (wait_handshake(chip)) @@ -536,7 +537,8 @@ static int set_nominal_level(struct echoaudio *chip, u16 index, char consumer) /* Set the gain for a single physical output channel (dB). */ static int set_output_gain(struct echoaudio *chip, u16 channel, s8 gain) { - snd_assert(channel < num_busses_out(chip), return -EINVAL); + if (snd_BUG_ON(channel >= num_busses_out(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; @@ -554,8 +556,9 @@ static int set_output_gain(struct echoaudio *chip, u16 channel, s8 gain) static int set_monitor_gain(struct echoaudio *chip, u16 output, u16 input, s8 gain) { - snd_assert(output < num_busses_out(chip) && - input < num_busses_in(chip), return -EINVAL); + if (snd_BUG_ON(output >= num_busses_out(chip) || + input >= num_busses_in(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; @@ -1065,8 +1068,10 @@ static int free_pipes(struct echoaudio *chip, struct audiopipe *pipe) int i; DE_ACT(("free_pipes: Pipe %d\n", pipe->index)); - snd_assert(is_pipe_allocated(chip, pipe->index), return -EINVAL); - snd_assert(pipe->state == PIPE_STATE_STOPPED, return -EINVAL); + if (snd_BUG_ON(!is_pipe_allocated(chip, pipe->index))) + return -EINVAL; + if (snd_BUG_ON(pipe->state != PIPE_STATE_STOPPED)) + return -EINVAL; for (channel_mask = i = 0; i < pipe->interleave; i++) channel_mask |= 1 << (pipe->index + i); diff --git a/sound/pci/echoaudio/echoaudio_gml.c b/sound/pci/echoaudio/echoaudio_gml.c index 3aa37e76ebab..afa273330e8a 100644 --- a/sound/pci/echoaudio/echoaudio_gml.c +++ b/sound/pci/echoaudio/echoaudio_gml.c @@ -112,9 +112,11 @@ static int set_digital_mode(struct echoaudio *chip, u8 mode) return -EIO; /* All audio channels must be closed before changing the digital mode */ - snd_assert(!chip->pipe_alloc_mask, return -EAGAIN); + if (snd_BUG_ON(chip->pipe_alloc_mask)) + return -EAGAIN; - snd_assert(chip->digital_modes & (1 << mode), return -EINVAL); + if (snd_BUG_ON(!(chip->digital_modes & (1 << mode)))) + return -EINVAL; previous_mode = chip->digital_mode; err = dsp_set_digital_mode(chip, mode); diff --git a/sound/pci/echoaudio/gina20_dsp.c b/sound/pci/echoaudio/gina20_dsp.c index 2757c8960843..db6c952e9d7f 100644 --- a/sound/pci/echoaudio/gina20_dsp.c +++ b/sound/pci/echoaudio/gina20_dsp.c @@ -38,7 +38,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Gina20\n")); - snd_assert((subdevice_id & 0xfff0) == GINA20, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != GINA20)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -177,7 +178,8 @@ static int set_input_clock(struct echoaudio *chip, u16 clock) /* Set input bus gain (one unit is 0.5dB !) */ static int set_input_gain(struct echoaudio *chip, u16 input, int gain) { - snd_assert(input < num_busses_in(chip), return -EINVAL); + if (snd_BUG_ON(input >= num_busses_in(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/gina24_dsp.c b/sound/pci/echoaudio/gina24_dsp.c index 144fc567becf..2fef37a2a5b9 100644 --- a/sound/pci/echoaudio/gina24_dsp.c +++ b/sound/pci/echoaudio/gina24_dsp.c @@ -43,7 +43,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Gina24\n")); - snd_assert((subdevice_id & 0xfff0) == GINA24, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != GINA24)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -84,7 +85,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) if ((err = init_line_levels(chip)) < 0) return err; err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); - snd_assert(err >= 0, return err); + if (err < 0) + return err; err = set_professional_spdif(chip, TRUE); DE_INIT(("init_hw done\n")); @@ -163,8 +165,9 @@ static int set_sample_rate(struct echoaudio *chip, u32 rate) { u32 control_reg, clock; - snd_assert(rate < 50000 || chip->digital_mode != DIGITAL_MODE_ADAT, - return -EINVAL); + if (snd_BUG_ON(rate >= 50000 && + chip->digital_mode == DIGITAL_MODE_ADAT)) + return -EINVAL; /* Only set the clock for internal mode. */ if (chip->input_clock != ECHO_CLOCK_INTERNAL) { diff --git a/sound/pci/echoaudio/indigo_dsp.c b/sound/pci/echoaudio/indigo_dsp.c index d6ac7734609e..f05e39f7aad9 100644 --- a/sound/pci/echoaudio/indigo_dsp.c +++ b/sound/pci/echoaudio/indigo_dsp.c @@ -39,7 +39,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Indigo\n")); - snd_assert((subdevice_id & 0xfff0) == INDIGO, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -143,8 +144,9 @@ static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe, { int index; - snd_assert(pipe < num_pipes_out(chip) && - output < num_busses_out(chip), return -EINVAL); + if (snd_BUG_ON(pipe >= num_pipes_out(chip) || + output >= num_busses_out(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/indigodj_dsp.c b/sound/pci/echoaudio/indigodj_dsp.c index 500e150b49fc..90730a5ecb42 100644 --- a/sound/pci/echoaudio/indigodj_dsp.c +++ b/sound/pci/echoaudio/indigodj_dsp.c @@ -39,7 +39,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Indigo DJ\n")); - snd_assert((subdevice_id & 0xfff0) == INDIGO_DJ, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_DJ)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -143,8 +144,9 @@ static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe, { int index; - snd_assert(pipe < num_pipes_out(chip) && - output < num_busses_out(chip), return -EINVAL); + if (snd_BUG_ON(pipe >= num_pipes_out(chip) || + output >= num_busses_out(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/indigoio_dsp.c b/sound/pci/echoaudio/indigoio_dsp.c index f3ad13d06be0..a7e09ec21079 100644 --- a/sound/pci/echoaudio/indigoio_dsp.c +++ b/sound/pci/echoaudio/indigoio_dsp.c @@ -39,7 +39,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Indigo IO\n")); - snd_assert((subdevice_id & 0xfff0) == INDIGO_IO, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IO)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -114,8 +115,9 @@ static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe, { int index; - snd_assert(pipe < num_pipes_out(chip) && - output < num_busses_out(chip), return -EINVAL); + if (snd_BUG_ON(pipe >= num_pipes_out(chip) || + output >= num_busses_out(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/layla20_dsp.c b/sound/pci/echoaudio/layla20_dsp.c index 990c9a60a0a8..ede75c6ca0fb 100644 --- a/sound/pci/echoaudio/layla20_dsp.c +++ b/sound/pci/echoaudio/layla20_dsp.c @@ -42,7 +42,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Layla20\n")); - snd_assert((subdevice_id & 0xfff0) == LAYLA20, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != LAYLA20)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -155,7 +156,8 @@ static int load_asic(struct echoaudio *chip) static int set_sample_rate(struct echoaudio *chip, u32 rate) { - snd_assert(rate >= 8000 && rate <= 50000, return -EINVAL); + if (snd_BUG_ON(rate < 8000 || rate > 50000)) + return -EINVAL; /* Only set the clock for internal mode. Do not return failure, simply treat it as a non-event. */ @@ -252,7 +254,8 @@ static int set_output_clock(struct echoaudio *chip, u16 clock) /* Set input bus gain (one unit is 0.5dB !) */ static int set_input_gain(struct echoaudio *chip, u16 input, int gain) { - snd_assert(input < num_busses_in(chip), return -EINVAL); + if (snd_BUG_ON(input >= num_busses_in(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/layla24_dsp.c b/sound/pci/echoaudio/layla24_dsp.c index 97e42e115147..d61b5cbcccad 100644 --- a/sound/pci/echoaudio/layla24_dsp.c +++ b/sound/pci/echoaudio/layla24_dsp.c @@ -42,7 +42,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Layla24\n")); - snd_assert((subdevice_id & 0xfff0) == LAYLA24, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != LAYLA24)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -73,7 +74,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) return err; err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); - snd_assert(err >= 0, return err); + if (err < 0) + return err; err = set_professional_spdif(chip, TRUE); DE_INIT(("init_hw done\n")); @@ -158,8 +160,9 @@ static int set_sample_rate(struct echoaudio *chip, u32 rate) { u32 control_reg, clock, base_rate; - snd_assert(rate < 50000 || chip->digital_mode != DIGITAL_MODE_ADAT, - return -EINVAL); + if (snd_BUG_ON(rate >= 50000 && + chip->digital_mode == DIGITAL_MODE_ADAT)) + return -EINVAL; /* Only set the clock for internal mode. */ if (chip->input_clock != ECHO_CLOCK_INTERNAL) { diff --git a/sound/pci/echoaudio/mia_dsp.c b/sound/pci/echoaudio/mia_dsp.c index 891c70519096..227386602f9b 100644 --- a/sound/pci/echoaudio/mia_dsp.c +++ b/sound/pci/echoaudio/mia_dsp.c @@ -42,7 +42,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Mia\n")); - snd_assert((subdevice_id & 0xfff0) == MIA, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != MIA)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -161,8 +162,9 @@ static int set_sample_rate(struct echoaudio *chip, u32 rate) static int set_input_clock(struct echoaudio *chip, u16 clock) { DE_ACT(("set_input_clock(%d)\n", clock)); - snd_assert(clock == ECHO_CLOCK_INTERNAL || clock == ECHO_CLOCK_SPDIF, - return -EINVAL); + if (snd_BUG_ON(clock != ECHO_CLOCK_INTERNAL && + clock != ECHO_CLOCK_SPDIF)) + return -EINVAL; chip->input_clock = clock; return set_sample_rate(chip, chip->sample_rate); @@ -176,8 +178,9 @@ static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe, { int index; - snd_assert(pipe < num_pipes_out(chip) && - output < num_busses_out(chip), return -EINVAL); + if (snd_BUG_ON(pipe >= num_pipes_out(chip) || + output >= num_busses_out(chip))) + return -EINVAL; if (wait_handshake(chip)) return -EIO; diff --git a/sound/pci/echoaudio/midi.c b/sound/pci/echoaudio/midi.c index 91f5bff66d3f..77bf2a83d997 100644 --- a/sound/pci/echoaudio/midi.c +++ b/sound/pci/echoaudio/midi.c @@ -59,7 +59,8 @@ static int enable_midi_input(struct echoaudio *chip, char enable) Returns how many actually written or < 0 on error */ static int write_midi(struct echoaudio *chip, u8 *data, int bytes) { - snd_assert(bytes > 0 && bytes < MIDI_OUT_BUFFER_SIZE, return -EINVAL); + if (snd_BUG_ON(bytes <= 0 || bytes >= MIDI_OUT_BUFFER_SIZE)) + return -EINVAL; if (wait_handshake(chip)) return -EIO; @@ -119,7 +120,8 @@ static int midi_service_irq(struct echoaudio *chip) /* The count is at index 0, followed by actual data */ count = le16_to_cpu(chip->comm_page->midi_input[0]); - snd_assert(count < MIDI_IN_BUFFER_SIZE, return 0); + if (snd_BUG_ON(count >= MIDI_IN_BUFFER_SIZE)) + return 0; /* Get the MIDI data from the comm page */ i = 1; diff --git a/sound/pci/echoaudio/mona_dsp.c b/sound/pci/echoaudio/mona_dsp.c index c0b4bf0be7d1..eaa619bd2a03 100644 --- a/sound/pci/echoaudio/mona_dsp.c +++ b/sound/pci/echoaudio/mona_dsp.c @@ -43,7 +43,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) int err; DE_INIT(("init_hw() - Mona\n")); - snd_assert((subdevice_id & 0xfff0) == MONA, return -ENODEV); + if (snd_BUG_ON((subdevice_id & 0xfff0) != MONA)) + return -ENODEV; if ((err = init_dsp_comm_page(chip))) { DE_INIT(("init_hw - could not initialize DSP comm page\n")); @@ -79,7 +80,8 @@ static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) return err; err = set_digital_mode(chip, DIGITAL_MODE_SPDIF_RCA); - snd_assert(err >= 0, return err); + if (err < 0) + return err; err = set_professional_spdif(chip, TRUE); DE_INIT(("init_hw done\n")); diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c index 45088ebcce50..0e649dcdbf64 100644 --- a/sound/pci/emu10k1/emu10k1_callback.c +++ b/sound/pci/emu10k1/emu10k1_callback.c @@ -145,7 +145,8 @@ terminate_voice(struct snd_emux_voice *vp) { struct snd_emu10k1 *hw; - snd_assert(vp, return); + if (snd_BUG_ON(!vp)) + return; hw = vp->hw; snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0x807f | DCYSUSV_CHANNELENABLE_MASK); if (vp->block) { @@ -325,7 +326,8 @@ start_voice(struct snd_emux_voice *vp) hw = vp->hw; ch = vp->ch; - snd_assert(ch >= 0, return -EINVAL); + if (snd_BUG_ON(ch < 0)) + return -EINVAL; chan = vp->chan; emem = (struct snd_emu10k1_memblk *)vp->block; diff --git a/sound/pci/emu10k1/emu10k1_patch.c b/sound/pci/emu10k1/emu10k1_patch.c index 42bae6f7e9a4..e10f027bde03 100644 --- a/sound/pci/emu10k1/emu10k1_patch.c +++ b/sound/pci/emu10k1/emu10k1_patch.c @@ -46,8 +46,8 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, struct snd_emu10k1 *emu; emu = rec->hw; - snd_assert(sp != NULL, return -EINVAL); - snd_assert(hdr != NULL, return -EINVAL); + if (snd_BUG_ON(!sp || !hdr)) + return -EINVAL; if (sp->v.size == 0) { snd_printd("emu: rom font for sample %d\n", sp->v.sample); @@ -104,7 +104,8 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, size = BLANK_HEAD_SIZE; if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) size *= 2; - snd_assert(offset + size <= blocksize, return -EINVAL); + if (offset + size > blocksize) + return -EINVAL; snd_emu10k1_synth_bzero(emu, sp->block, offset, size); offset += size; @@ -112,7 +113,8 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, size = loopend; if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) size *= 2; - snd_assert(offset + size <= blocksize, return -EINVAL); + if (offset + size > blocksize) + return -EINVAL; if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) { snd_emu10k1_synth_free(emu, sp->block); sp->block = NULL; @@ -129,12 +131,14 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, int woffset; unsigned short *wblock = (unsigned short*)block; woffset = offset / 2; - snd_assert(offset + loopsize*2 <= blocksize, return -EINVAL); + if (offset + loopsize * 2 > blocksize) + return -EINVAL; for (i = 0; i < loopsize; i++) wblock[woffset + i] = wblock[woffset - i -1]; offset += loopsize * 2; } else { - snd_assert(offset + loopsize <= blocksize, return -EINVAL); + if (offset + loopsize > blocksize) + return -EINVAL; for (i = 0; i < loopsize; i++) block[offset + i] = block[offset - i -1]; offset += loopsize; @@ -154,7 +158,8 @@ snd_emu10k1_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp, /* loopend -> sample end */ size = sp->v.size - loopend; - snd_assert(size >= 0, return -EINVAL); + if (size < 0) + return -EINVAL; if (! (sp->v.mode_flags & SNDRV_SFNT_SAMPLE_8BITS)) size *= 2; if (snd_emu10k1_synth_copy_from_user(emu, sp->block, offset, data, size)) { @@ -212,8 +217,8 @@ snd_emu10k1_sample_free(struct snd_emux *rec, struct snd_sf_sample *sp, struct snd_emu10k1 *emu; emu = rec->hw; - snd_assert(sp != NULL, return -EINVAL); - snd_assert(hdr != NULL, return -EINVAL); + if (snd_BUG_ON(!sp || !hdr)) + return -EINVAL; if (sp->block) { snd_emu10k1_synth_free(emu, sp->block); diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c index 491a4a50f869..5ff4dbb62dad 100644 --- a/sound/pci/emu10k1/emu10k1x.c +++ b/sound/pci/emu10k1/emu10k1x.c @@ -1319,7 +1319,8 @@ static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) unsigned long flags; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; midi->substream_input = substream; @@ -1345,7 +1346,8 @@ static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream unsigned long flags; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; midi->substream_output = substream; @@ -1372,7 +1374,8 @@ static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream int err = 0; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); snd_emu10k1x_intr_disable(emu, midi->rx_enable); midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; @@ -1394,7 +1397,8 @@ static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substrea int err = 0; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); snd_emu10k1x_intr_disable(emu, midi->tx_enable); midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; @@ -1413,7 +1417,8 @@ static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substr struct emu10k1x *emu; struct emu10k1x_midi *midi = substream->rmidi->private_data; emu = midi->emu; - snd_assert(emu, return); + if (snd_BUG_ON(!emu)) + return; if (up) snd_emu10k1x_intr_enable(emu, midi->rx_enable); @@ -1428,7 +1433,8 @@ static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *subst unsigned long flags; emu = midi->emu; - snd_assert(emu, return); + if (snd_BUG_ON(!emu)) + return; if (up) { int max = 4; diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 71dc4c8865b8..7dba08f0ab8e 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -487,7 +487,8 @@ static void snd_emu10k1_write_op(struct snd_emu10k1_fx8010_code *icode, u32 op, u32 r, u32 a, u32 x, u32 y) { u_int32_t *code; - snd_assert(*ptr < 512, return); + if (snd_BUG_ON(*ptr >= 512)) + return; code = (u_int32_t __force *)icode->code + (*ptr) * 2; set_bit(*ptr, icode->code_valid); code[0] = ((x & 0x3ff) << 10) | (y & 0x3ff); @@ -503,7 +504,8 @@ static void snd_emu10k1_audigy_write_op(struct snd_emu10k1_fx8010_code *icode, u32 op, u32 r, u32 a, u32 x, u32 y) { u_int32_t *code; - snd_assert(*ptr < 1024, return); + if (snd_BUG_ON(*ptr >= 1024)) + return; code = (u_int32_t __force *)icode->code + (*ptr) * 2; set_bit(*ptr, icode->code_valid); code[0] = ((x & 0x7ff) << 12) | (y & 0x7ff); diff --git a/sound/pci/emu10k1/emumpu401.c b/sound/pci/emu10k1/emumpu401.c index c4d76d16661e..8578c70c61f2 100644 --- a/sound/pci/emu10k1/emumpu401.c +++ b/sound/pci/emu10k1/emumpu401.c @@ -157,7 +157,8 @@ static int snd_emu10k1_midi_input_open(struct snd_rawmidi_substream *substream) unsigned long flags; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= EMU10K1_MIDI_MODE_INPUT; midi->substream_input = substream; @@ -183,7 +184,8 @@ static int snd_emu10k1_midi_output_open(struct snd_rawmidi_substream *substream) unsigned long flags; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT; midi->substream_output = substream; @@ -210,7 +212,8 @@ static int snd_emu10k1_midi_input_close(struct snd_rawmidi_substream *substream) int err = 0; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); snd_emu10k1_intr_disable(emu, midi->rx_enable); midi->midi_mode &= ~EMU10K1_MIDI_MODE_INPUT; @@ -232,7 +235,8 @@ static int snd_emu10k1_midi_output_close(struct snd_rawmidi_substream *substream int err = 0; emu = midi->emu; - snd_assert(emu, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; spin_lock_irqsave(&midi->open_lock, flags); snd_emu10k1_intr_disable(emu, midi->tx_enable); midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT; @@ -251,7 +255,8 @@ static void snd_emu10k1_midi_input_trigger(struct snd_rawmidi_substream *substre struct snd_emu10k1 *emu; struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data; emu = midi->emu; - snd_assert(emu, return); + if (snd_BUG_ON(!emu)) + return; if (up) snd_emu10k1_intr_enable(emu, midi->rx_enable); @@ -266,7 +271,8 @@ static void snd_emu10k1_midi_output_trigger(struct snd_rawmidi_substream *substr unsigned long flags; emu = midi->emu; - snd_assert(emu, return); + if (snd_BUG_ON(!emu)) + return; if (up) { int max = 4; diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c index 7d379f5131fb..e8ad56ed34fa 100644 --- a/sound/pci/emu10k1/memory.c +++ b/sound/pci/emu10k1/memory.c @@ -107,7 +107,8 @@ static int search_empty_map_area(struct snd_emu10k1 *emu, int npages, struct lis list_for_each (pos, &emu->mapped_link_head) { struct snd_emu10k1_memblk *blk = get_emu10k1_memblk(pos, mapped_link); - snd_assert(blk->mapped_page >= 0, continue); + if (blk->mapped_page < 0) + continue; size = blk->mapped_page - page; if (size == npages) { *nextp = pos; @@ -300,10 +301,14 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst struct snd_emu10k1_memblk *blk; int page, err, idx; - snd_assert(emu, return NULL); - snd_assert(runtime->dma_bytes > 0 && runtime->dma_bytes < MAXPAGES * EMUPAGESIZE, return NULL); + if (snd_BUG_ON(!emu)) + return NULL; + if (snd_BUG_ON(runtime->dma_bytes <= 0 || + runtime->dma_bytes >= MAXPAGES * EMUPAGESIZE)) + return NULL; hdr = emu->memhdr; - snd_assert(hdr, return NULL); + if (snd_BUG_ON(!hdr)) + return NULL; mutex_lock(&hdr->block_mutex); blk = search_empty(emu, runtime->dma_bytes); @@ -353,7 +358,8 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst */ int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk) { - snd_assert(emu && blk, return -EINVAL); + if (snd_BUG_ON(!emu || !blk)) + return -EINVAL; return snd_emu10k1_synth_free(emu, blk); } @@ -498,7 +504,8 @@ static int synth_free_pages(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk * static inline void *offset_ptr(struct snd_emu10k1 *emu, int page, int offset) { char *ptr; - snd_assert(page >= 0 && page < emu->max_cache_pages, return NULL); + if (snd_BUG_ON(page < 0 || page >= emu->max_cache_pages)) + return NULL; ptr = emu->page_ptr_table[page]; if (! ptr) { printk(KERN_ERR "emu10k1: access to NULL ptr: page = %d\n", page); diff --git a/sound/pci/emu10k1/voice.c b/sound/pci/emu10k1/voice.c index 958cb2a65a4e..d7300a1aa262 100644 --- a/sound/pci/emu10k1/voice.c +++ b/sound/pci/emu10k1/voice.c @@ -111,8 +111,10 @@ int snd_emu10k1_voice_alloc(struct snd_emu10k1 *emu, int type, int number, unsigned long flags; int result; - snd_assert(rvoice != NULL, return -EINVAL); - snd_assert(number, return -EINVAL); + if (snd_BUG_ON(!rvoice)) + return -EINVAL; + if (snd_BUG_ON(!number)) + return -EINVAL; spin_lock_irqsave(&emu->voice_lock, flags); for (;;) { @@ -145,7 +147,8 @@ int snd_emu10k1_voice_free(struct snd_emu10k1 *emu, { unsigned long flags; - snd_assert(pvoice != NULL, return -EINVAL); + if (snd_BUG_ON(!pvoice)) + return -EINVAL; spin_lock_irqsave(&emu->voice_lock, flags); pvoice->interrupt = NULL; pvoice->use = pvoice->pcm = pvoice->synth = pvoice->midi = pvoice->efx = 0; diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index 84fac1fbf103..4cd9a1faaecc 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -860,7 +860,8 @@ static int snd_es1938_capture_copy(struct snd_pcm_substream *substream, struct es1938 *chip = snd_pcm_substream_chip(substream); pos <<= chip->dma1_shift; count <<= chip->dma1_shift; - snd_assert(pos + count <= chip->dma1_size, return -EINVAL); + if (snd_BUG_ON(pos + count > chip->dma1_size)) + return -EINVAL; if (pos + count < chip->dma1_size) { if (copy_to_user(dst, runtime->dma_area + pos + 1, count)) return -EFAULT; diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 1bf298d214b9..20ee7599600b 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -692,7 +692,8 @@ static void apu_data_set(struct es1968 *chip, u16 data) /* no spinlock */ static void __apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 data) { - snd_assert(channel < NR_APUS, return); + if (snd_BUG_ON(channel >= NR_APUS)) + return; #ifdef CONFIG_PM chip->apu_map[channel][reg] = data; #endif @@ -711,7 +712,8 @@ static void apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 data) static u16 __apu_get_register(struct es1968 *chip, u16 channel, u8 reg) { - snd_assert(channel < NR_APUS, return 0); + if (snd_BUG_ON(channel >= NR_APUS)) + return 0; reg |= (channel << 4); apu_index_set(chip, reg); return __maestro_read(chip, IDR0_DATA_PORT); diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index d2e1093f8e97..77fbcd4a69b7 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -211,7 +211,8 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, unsigned int shift, num_elems, mask; hda_nid_t prev_nid; - snd_assert(conn_list && max_conns > 0, return -EINVAL); + if (snd_BUG_ON(!conn_list || max_conns <= 0)) + return -EINVAL; parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); if (parm & AC_CLIST_LONG) { @@ -407,8 +408,10 @@ int __devinit snd_hda_bus_new(struct snd_card *card, .dev_free = snd_hda_bus_dev_free, }; - snd_assert(temp, return -EINVAL); - snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL); + if (snd_BUG_ON(!temp)) + return -EINVAL; + if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response)) + return -EINVAL; if (busp) *busp = NULL; @@ -588,8 +591,10 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, char component[13]; int err; - snd_assert(bus, return -EINVAL); - snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL); + if (snd_BUG_ON(!bus)) + return -EINVAL; + if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS)) + return -EINVAL; if (bus->caddr_tbl[codec_addr]) { snd_printk(KERN_ERR "hda_codec: " @@ -2236,11 +2241,13 @@ static int __devinit set_pcm_default_values(struct hda_codec *codec, if (info->ops.close == NULL) info->ops.close = hda_pcm_default_open_close; if (info->ops.prepare == NULL) { - snd_assert(info->nid, return -EINVAL); + if (snd_BUG_ON(!info->nid)) + return -EINVAL; info->ops.prepare = hda_pcm_default_prepare; } if (info->ops.cleanup == NULL) { - snd_assert(info->nid, return -EINVAL); + if (snd_BUG_ON(!info->nid)) + return -EINVAL; info->ops.cleanup = hda_pcm_default_cleanup; } return 0; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 59e4389c94a4..0ca30894f7c6 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -174,7 +174,8 @@ static int build_afg_tree(struct hda_codec *codec) int i, nodes, err; hda_nid_t nid; - snd_assert(spec, return -EINVAL); + if (snd_BUG_ON(!spec)) + return -EINVAL; spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1c53e337ecb2..b2bcd94cf7a2 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1646,7 +1646,8 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec, if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) return 0; - snd_assert(cpcm->name, return -EINVAL); + if (snd_BUG_ON(!cpcm->name)) + return -EINVAL; err = snd_pcm_new(chip->card, cpcm->name, cpcm->device, cpcm->stream[0].substreams, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 4bd26725355c..7e5422f64caf 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2633,12 +2633,14 @@ static int alc_build_pcms(struct hda_codec *codec) info->name = spec->stream_name_analog; if (spec->stream_analog_playback) { - snd_assert(spec->multiout.dac_nids, return -EINVAL); + if (snd_BUG_ON(!spec->multiout.dac_nids)) + return -EINVAL; info->stream[SNDRV_PCM_STREAM_PLAYBACK] = *(spec->stream_analog_playback); info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dac_nids[0]; } if (spec->stream_analog_capture) { - snd_assert(spec->adc_nids, return -EINVAL); + if (snd_BUG_ON(!spec->adc_nids)) + return -EINVAL; info->stream[SNDRV_PCM_STREAM_CAPTURE] = *(spec->stream_analog_capture); info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0]; } diff --git a/sound/pci/ice1712/ak4xxx.c b/sound/pci/ice1712/ak4xxx.c index dab31b2756a6..03391da8c8c7 100644 --- a/sound/pci/ice1712/ak4xxx.c +++ b/sound/pci/ice1712/ak4xxx.c @@ -59,7 +59,8 @@ static void snd_ice1712_akm4xxx_write(struct snd_akm4xxx *ak, int chip, struct snd_ak4xxx_private *priv = (void *)ak->private_value[0]; struct snd_ice1712 *ice = ak->private_data[0]; - snd_assert(chip >= 0 && chip < 4, return); + if (snd_BUG_ON(chip < 0 || chip >= 4)) + return; tmp = snd_ice1712_gpio_read(ice); tmp |= priv->add_flags; diff --git a/sound/pci/ice1712/ews.c b/sound/pci/ice1712/ews.c index 013fc4f04822..6fe35b812040 100644 --- a/sound/pci/ice1712/ews.c +++ b/sound/pci/ice1712/ews.c @@ -149,7 +149,8 @@ static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mas struct ews_spec *spec = ice->spec; unsigned char data, ndata; - snd_assert(chip_mask >= 0 && chip_mask <= 0x0f, return -EINVAL); + if (snd_BUG_ON(chip_mask < 0 || chip_mask > 0x0f)) + return -EINVAL; snd_i2c_lock(ice->i2c); if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) goto __error; @@ -685,7 +686,8 @@ static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, st int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); unsigned char data; - snd_assert(channel >= 0 && channel <= 7, return 0); + if (snd_BUG_ON(channel < 0 || channel > 7)) + return 0; snd_i2c_lock(ice->i2c); if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) { snd_i2c_unlock(ice->i2c); @@ -705,7 +707,8 @@ static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, st int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); unsigned char data, ndata; - snd_assert(channel >= 0 && channel <= 7, return 0); + if (snd_BUG_ON(channel < 0 || channel > 7)) + return 0; snd_i2c_lock(ice->i2c); if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) { snd_i2c_unlock(ice->i2c); diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 29d449d73c98..05ffab65d167 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2416,7 +2416,8 @@ int __devinit snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice) int err; struct snd_kcontrol *kctl; - snd_assert(ice->pcm_pro != NULL, return -EIO); + if (snd_BUG_ON(!ice->pcm_pro)) + return -EIO; err = snd_ctl_add(ice->card, kctl = snd_ctl_new1(&snd_ice1712_spdif_default, ice)); if (err < 0) return err; diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index e596d777d9dd..60119d220a66 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2250,7 +2250,8 @@ static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice) int err; struct snd_kcontrol *kctl; - snd_assert(ice->pcm != NULL, return -EIO); + if (snd_BUG_ON(!ice->pcm)) + return -EIO; err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice)); if (err < 0) diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c index b4e0c16852a6..21ff4de890b4 100644 --- a/sound/pci/ice1712/juli.c +++ b/sound/pci/ice1712/juli.c @@ -208,7 +208,8 @@ static void juli_akm_write(struct snd_akm4xxx *ak, int chip, { struct snd_ice1712 *ice = ak->private_data[0]; - snd_assert(chip == 0, return); + if (snd_BUG_ON(chip)) + return; snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data); } diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 048d99e25ab0..78760996632d 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -2132,8 +2132,8 @@ static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, snd_intel8x0_codec_read_test(chip, codecs); chip->ac97_sdin[codecs] = igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; - snd_assert(chip->ac97_sdin[codecs] < 3, - chip->ac97_sdin[codecs] = 0); + if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3)) + chip->ac97_sdin[codecs] = 0; } else chip->ac97_sdin[codecs] = i; codecs++; diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c index faf674e671ac..93449e464566 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -306,7 +306,8 @@ static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec static unsigned int codec_bit[3] = { ICH_PCR, ICH_SCR, ICH_TCR }; - snd_assert(codec < 3, return ICH_PCR); + if (snd_BUG_ON(codec >= 3)) + return ICH_PCR; return codec_bit[codec]; } diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 4a44c0f20f76..5f8006b42750 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -1281,7 +1281,8 @@ static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int coun K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n", pos, offset, size, count); - snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL); + if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) + return -EINVAL; for (i=0; i < count; i++) { #if K1212_DEBUG_LEVEL > 0 @@ -1306,7 +1307,8 @@ static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n", pos, offset, size); - snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL); + if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) + return -EINVAL; for (i=0; i < count; i++) { #if K1212_DEBUG_LEVEL > 0 @@ -1336,7 +1338,8 @@ static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *sr K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n", pos, offset, size, count); - snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL); + if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) + return -EINVAL; for (i=0; i < count; i++) { #if K1212_DEBUG_LEVEL > 0 diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 0037be74fdea..9ff3f9e34404 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -1175,7 +1175,8 @@ snd_m3_pcm_trigger(struct snd_pcm_substream *subs, int cmd) struct m3_dma *s = subs->runtime->private_data; int err = -EINVAL; - snd_assert(s != NULL, return -ENXIO); + if (snd_BUG_ON(!s)) + return -ENXIO; spin_lock(&chip->reg_lock); switch (cmd) { @@ -1487,7 +1488,8 @@ snd_m3_pcm_prepare(struct snd_pcm_substream *subs) struct snd_pcm_runtime *runtime = subs->runtime; struct m3_dma *s = runtime->private_data; - snd_assert(s != NULL, return -ENXIO); + if (snd_BUG_ON(!s)) + return -ENXIO; if (runtime->format != SNDRV_PCM_FORMAT_U8 && runtime->format != SNDRV_PCM_FORMAT_S16_LE) @@ -1546,7 +1548,9 @@ snd_m3_pcm_pointer(struct snd_pcm_substream *subs) struct snd_m3 *chip = snd_pcm_substream_chip(subs); unsigned int ptr; struct m3_dma *s = subs->runtime->private_data; - snd_assert(s != NULL, return 0); + + if (snd_BUG_ON(!s)) + return 0; spin_lock(&chip->reg_lock); ptr = snd_m3_get_pointer(chip, s, subs); diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c index 3dd0c7963273..2d0dce649a64 100644 --- a/sound/pci/mixart/mixart.c +++ b/sound/pci/mixart/mixart.c @@ -708,7 +708,7 @@ static int snd_mixart_playback_open(struct snd_pcm_substream *subs) pcm_number = MIXART_PCM_ANALOG; runtime->hw = snd_mixart_analog_caps; } else { - snd_assert ( pcm == chip->pcm_dig ); + snd_BUG_ON(pcm != chip->pcm_dig); pcm_number = MIXART_PCM_DIGITAL; runtime->hw = snd_mixart_digital_caps; } @@ -783,7 +783,7 @@ static int snd_mixart_capture_open(struct snd_pcm_substream *subs) pcm_number = MIXART_PCM_ANALOG; runtime->hw = snd_mixart_analog_caps; } else { - snd_assert ( pcm == chip->pcm_dig ); + snd_BUG_ON(pcm != chip->pcm_dig); pcm_number = MIXART_PCM_DIGITAL; runtime->hw = snd_mixart_digital_caps; } diff --git a/sound/pci/mixart/mixart_core.c b/sound/pci/mixart/mixart_core.c index 785085e48353..b9a06c279397 100644 --- a/sound/pci/mixart/mixart_core.c +++ b/sound/pci/mixart/mixart_core.c @@ -56,8 +56,10 @@ static int retrieve_msg_frame(struct mixart_mgr *mgr, u32 *msg_frame) if (tailptr == headptr) return 0; /* no message posted */ - snd_assert( tailptr >= MSG_OUTBOUND_POST_STACK, return 0); /* error */ - snd_assert( tailptr < (MSG_OUTBOUND_POST_STACK+MSG_BOUND_STACK_SIZE), return 0); /* error */ + if (tailptr < MSG_OUTBOUND_POST_STACK) + return 0; /* error */ + if (tailptr >= MSG_OUTBOUND_POST_STACK + MSG_BOUND_STACK_SIZE) + return 0; /* error */ *msg_frame = readl_be(MIXART_MEM(mgr, tailptr)); @@ -149,7 +151,8 @@ static int send_msg( struct mixart_mgr *mgr, u32 msg_frame_address; int err, i; - snd_assert(msg->size % 4 == 0, return -EINVAL); + if (snd_BUG_ON(msg->size % 4)) + return -EINVAL; err = 0; @@ -289,9 +292,12 @@ int snd_mixart_send_msg_wait_notif(struct mixart_mgr *mgr, wait_queue_t wait; long timeout; - snd_assert(notif_event != 0, return -EINVAL); - snd_assert((notif_event & MSG_TYPE_MASK) == MSG_TYPE_NOTIFY, return -EINVAL); - snd_assert((notif_event & MSG_CANCEL_NOTIFY_MASK) == 0, return -EINVAL); + if (snd_BUG_ON(!notif_event)) + return -EINVAL; + if (snd_BUG_ON((notif_event & MSG_TYPE_MASK) != MSG_TYPE_NOTIFY)) + return -EINVAL; + if (snd_BUG_ON(notif_event & MSG_CANCEL_NOTIFY_MASK)) + return -EINVAL; mutex_lock(&mgr->msg_mutex); diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c index f98603146132..3782b52bc0e8 100644 --- a/sound/pci/mixart/mixart_hwdep.c +++ b/sound/pci/mixart/mixart_hwdep.c @@ -288,7 +288,9 @@ static int mixart_enum_physio(struct mixart_mgr *mgr) return -EINVAL; } - snd_assert(phys_io.nb_uid >= (MIXART_MAX_CARDS * 2), return -EINVAL); /* min 2 phys io per card (analog in + analog out) */ + /* min 2 phys io per card (analog in + analog out) */ + if (phys_io.nb_uid < MIXART_MAX_CARDS * 2) + return -EINVAL; for(k=0; knum_cards; k++) { mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k]; @@ -363,8 +365,10 @@ static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmw } /* check xilinx validity */ - snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); - snd_assert(dsp->size % 4 == 0, return -EINVAL); + if (((u32*)(dsp->data))[0] == 0xffffffff) + return -EINVAL; + if (dsp->size % 4) + return -EINVAL; /* set xilinx status to copying */ writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET )); @@ -462,8 +466,10 @@ static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmw } /* check daughterboard xilinx validity */ - snd_assert(((u32*)(dsp->data))[0]==0xFFFFFFFF, return -EINVAL); - snd_assert(dsp->size % 4 == 0, return -EINVAL); + if (((u32*)(dsp->data))[0] == 0xffffffff) + return -EINVAL; + if (dsp->size % 4) + return -EINVAL; /* inform mixart about the size of the file */ writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET )); @@ -480,7 +486,8 @@ static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmw /* get the address where to write the file */ val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET )); - snd_assert(val != 0, return -EINVAL); + if (!val) + return -EINVAL; /* copy daughterboard xilinx code */ memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size); diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c index 6fdda1f70b25..3ba6174c3df1 100644 --- a/sound/pci/mixart/mixart_mixer.c +++ b/sound/pci/mixart/mixart_mixer.c @@ -837,7 +837,7 @@ static int mixart_pcm_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem if(is_aes) stored_volume = chip->digital_capture_volume[1]; /* AES capture */ else stored_volume = chip->digital_capture_volume[0]; /* analog capture */ } else { - snd_assert ( idx < MIXART_PLAYBACK_STREAMS ); + snd_BUG_ON(idx >= MIXART_PLAYBACK_STREAMS); if(is_aes) stored_volume = chip->digital_playback_volume[MIXART_PLAYBACK_STREAMS + idx]; /* AES playback */ else stored_volume = chip->digital_playback_volume[idx]; /* analog playback */ } @@ -863,7 +863,7 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem else /* analog capture */ stored_volume = chip->digital_capture_volume[0]; } else { - snd_assert ( idx < MIXART_PLAYBACK_STREAMS ); + snd_BUG_ON(idx >= MIXART_PLAYBACK_STREAMS); if (is_aes) /* AES playback */ stored_volume = chip->digital_playback_volume[MIXART_PLAYBACK_STREAMS + idx]; else /* analog playback */ @@ -909,7 +909,7 @@ static int mixart_pcm_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ { struct snd_mixart *chip = snd_kcontrol_chip(kcontrol); int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ - snd_assert ( idx < MIXART_PLAYBACK_STREAMS ); + snd_BUG_ON(idx >= MIXART_PLAYBACK_STREAMS); mutex_lock(&chip->mgr->mixer_mutex); if(kcontrol->private_value & MIXART_VOL_AES_MASK) /* AES playback */ idx += MIXART_PLAYBACK_STREAMS; @@ -926,7 +926,7 @@ static int mixart_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ int is_aes = kcontrol->private_value & MIXART_VOL_AES_MASK; int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */ int i, j; - snd_assert ( idx < MIXART_PLAYBACK_STREAMS ); + snd_BUG_ON(idx >= MIXART_PLAYBACK_STREAMS); mutex_lock(&chip->mgr->mixer_mutex); j = idx; if (is_aes) diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index 06d13e717114..50c9f8a05082 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -562,7 +562,8 @@ snd_nm256_playback_trigger(struct snd_pcm_substream *substream, int cmd) struct nm256_stream *s = substream->runtime->private_data; int err = 0; - snd_assert(s != NULL, return -ENXIO); + if (snd_BUG_ON(!s)) + return -ENXIO; spin_lock(&chip->reg_lock); switch (cmd) { @@ -599,7 +600,8 @@ snd_nm256_capture_trigger(struct snd_pcm_substream *substream, int cmd) struct nm256_stream *s = substream->runtime->private_data; int err = 0; - snd_assert(s != NULL, return -ENXIO); + if (snd_BUG_ON(!s)) + return -ENXIO; spin_lock(&chip->reg_lock); switch (cmd) { @@ -635,7 +637,8 @@ static int snd_nm256_pcm_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct nm256_stream *s = runtime->private_data; - snd_assert(s, return -ENXIO); + if (snd_BUG_ON(!s)) + return -ENXIO; s->dma_size = frames_to_bytes(runtime, substream->runtime->buffer_size); s->period_size = frames_to_bytes(runtime, substream->runtime->period_size); s->periods = substream->runtime->periods; @@ -660,7 +663,8 @@ snd_nm256_playback_pointer(struct snd_pcm_substream *substream) struct nm256_stream *s = substream->runtime->private_data; unsigned long curp; - snd_assert(s, return 0); + if (snd_BUG_ON(!s)) + return 0; curp = snd_nm256_readl(chip, NM_PBUFFER_CURRP) - (unsigned long)s->buf; curp %= s->dma_size; return bytes_to_frames(substream->runtime, curp); @@ -673,7 +677,8 @@ snd_nm256_capture_pointer(struct snd_pcm_substream *substream) struct nm256_stream *s = substream->runtime->private_data; unsigned long curp; - snd_assert(s != NULL, return 0); + if (snd_BUG_ON(!s)) + return 0; curp = snd_nm256_readl(chip, NM_RBUFFER_CURRP) - (unsigned long)s->buf; curp %= s->dma_size; return bytes_to_frames(substream->runtime, curp); diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c index 2c7e25336795..0e06c6c9fcc0 100644 --- a/sound/pci/pcxhr/pcxhr.c +++ b/sound/pci/pcxhr/pcxhr.c @@ -464,7 +464,8 @@ static int pcxhr_update_r_buffer(struct pcxhr_stream *stream) pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS); pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0); - snd_assert(subs->runtime->dma_bytes < 0x200000); /* max buffer size is 2 MByte */ + /* max buffer size is 2 MByte */ + snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000); rmh.cmd[1] = subs->runtime->dma_bytes * 8; /* size in bits */ rmh.cmd[2] = subs->runtime->dma_addr >> 24; /* most significant byte */ rmh.cmd[2] |= 1<<19; /* this is a circular buffer */ @@ -1228,7 +1229,8 @@ static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id return -ENOMEM; } - snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV); + if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) + return -ENODEV; card_name = pcxhr_board_params[pci_id->driver_data].board_name; mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips; mgr->capture_chips = pcxhr_board_params[pci_id->driver_data].capture_chips; diff --git a/sound/pci/pcxhr/pcxhr_core.c b/sound/pci/pcxhr/pcxhr_core.c index 000e6fed6e39..7143259cfe34 100644 --- a/sound/pci/pcxhr/pcxhr_core.c +++ b/sound/pci/pcxhr/pcxhr_core.c @@ -319,16 +319,20 @@ static int pcxhr_download_dsp(struct pcxhr_mgr *mgr, const struct firmware *dsp) const unsigned char *data; unsigned char dummy; /* check the length of boot image */ - snd_assert(dsp->size > 0, return -EINVAL); - snd_assert(dsp->size % 3 == 0, return -EINVAL); - snd_assert(dsp->data, return -EINVAL); + if (dsp->size <= 0) + return -EINVAL; + if (dsp->size % 3) + return -EINVAL; + if (snd_BUG_ON(!dsp->data)) + return -EINVAL; /* transfert data buffer from PC to DSP */ for (i = 0; i < dsp->size; i += 3) { data = dsp->data + i; if (i == 0) { /* test data header consistency */ len = (unsigned int)((data[0]<<16) + (data[1]<<8) + data[2]); - snd_assert((len==0) || (dsp->size == (len+2)*3), return -EINVAL); + if (len && dsp->size != (len + 2) * 3) + return -EINVAL; } /* wait DSP ready for new transfer */ err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY, @@ -389,7 +393,8 @@ int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot) unsigned char dummy; /* send the hostport address to the DSP (only the upper 24 bit !) */ - snd_assert((physaddr & 0xff) == 0, return -EINVAL); + if (snd_BUG_ON(physaddr & 0xff)) + return -EINVAL; PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX1, (physaddr >> 8)); err = pcxhr_send_it_dsp(mgr, PCXHR_IT_DOWNLOAD_BOOT, 0); @@ -570,7 +575,8 @@ static int pcxhr_send_msg_nolock(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh) u32 data; unsigned char reg; - snd_assert(rmh->cmd_lencmd_len >= PCXHR_SIZE_MAX_CMD)) + return -EINVAL; err = pcxhr_send_it_dsp(mgr, PCXHR_IT_MESSAGE, 1); if (err) { snd_printk(KERN_ERR "pcxhr_send_message : ED_DSP_CRASHED\n"); @@ -677,7 +683,8 @@ static int pcxhr_send_msg_nolock(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh) */ void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd) { - snd_assert(cmd < CMD_LAST_INDEX, return); + if (snd_BUG_ON(cmd >= CMD_LAST_INDEX)) + return; rmh->cmd[0] = pcxhr_dsp_cmds[cmd].opcode; rmh->cmd_len = 1; rmh->stat_len = pcxhr_dsp_cmds[cmd].st_length; @@ -690,17 +697,17 @@ void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh *rmh, int capture, unsigned int param1, unsigned int param2, unsigned int param3) { - snd_assert(param1 <= MASK_FIRST_FIELD); + snd_BUG_ON(param1 > MASK_FIRST_FIELD); if (capture) rmh->cmd[0] |= 0x800; /* COMMAND_RECORD_MASK */ if (param1) rmh->cmd[0] |= (param1 << FIELD_SIZE); if (param2) { - snd_assert(param2 <= MASK_FIRST_FIELD); + snd_BUG_ON(param2 > MASK_FIRST_FIELD); rmh->cmd[0] |= param2; } if(param3) { - snd_assert(param3 <= MASK_DSP_WORD); + snd_BUG_ON(param3 > MASK_DSP_WORD); rmh->cmd[1] = param3; rmh->cmd_len = 2; } diff --git a/sound/pci/pcxhr/pcxhr_hwdep.c b/sound/pci/pcxhr/pcxhr_hwdep.c index d2f043278cf4..96640d9c227d 100644 --- a/sound/pci/pcxhr/pcxhr_hwdep.c +++ b/sound/pci/pcxhr/pcxhr_hwdep.c @@ -65,15 +65,18 @@ static int pcxhr_init_board(struct pcxhr_mgr *mgr) if (err) return err; /* test 8 or 12 phys out */ - snd_assert((rmh.stat[0] & MASK_FIRST_FIELD) == mgr->playback_chips*2, - return -EINVAL); + if ((rmh.stat[0] & MASK_FIRST_FIELD) != mgr->playback_chips * 2) + return -EINVAL; /* test 8 or 2 phys in */ - snd_assert(((rmh.stat[0] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD) == - mgr->capture_chips * 2, return -EINVAL); + if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) != + mgr->capture_chips * 2) + return -EINVAL; /* test max nb substream per board */ - snd_assert((rmh.stat[1] & 0x5F) >= card_streams, return -EINVAL); + if ((rmh.stat[1] & 0x5F) < card_streams) + return -EINVAL; /* test max nb substream per pipe */ - snd_assert(((rmh.stat[1]>>7)&0x5F) >= PCXHR_PLAYBACK_STREAMS, return -EINVAL); + if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS) + return -EINVAL; pcxhr_init_rmh(&rmh, CMD_VERSION); /* firmware num for DSP */ diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index 6a3596247348..124f9a2f1535 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -865,7 +865,8 @@ static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm, struct riptideport *hwport; struct cmdport *cmdport = NULL; - snd_assert(cif, return -EINVAL); + if (snd_BUG_ON(!cif)) + return -EINVAL; hwport = cif->hwport; if (cif->errcnt > MAX_ERROR_COUNT) { @@ -1490,7 +1491,8 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream) int err = 0; snd_pcm_format_t format; - snd_assert(cif && data, return -EINVAL); + if (snd_BUG_ON(!cif || !data)) + return -EINVAL; snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id, runtime->channels, runtime->format, runtime->rate); @@ -1772,7 +1774,8 @@ snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg, union cmdret rptr = CMDRET_ZERO; int i = 0; - snd_assert(cif, return); + if (snd_BUG_ON(!cif)) + return; snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val); do { @@ -1790,7 +1793,8 @@ static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97, struct cmdif *cif = chip->cif; union cmdret rptr = CMDRET_ZERO; - snd_assert(cif, return 0); + if (snd_BUG_ON(!cif)) + return 0; if (SEND_RACR(cif, reg, &rptr) != 0) SEND_RACR(cif, reg, &rptr); @@ -1804,7 +1808,8 @@ static int snd_riptide_initialize(struct snd_riptide *chip) unsigned int device_id; int err; - snd_assert(chip, return -EINVAL); + if (snd_BUG_ON(!chip)) + return -EINVAL; cif = chip->cif; if (!cif) { @@ -1836,7 +1841,8 @@ static int snd_riptide_free(struct snd_riptide *chip) { struct cmdif *cif; - snd_assert(chip, return 0); + if (!chip) + return 0; if ((cif = chip->cif)) { SET_GRESET(cif->hwport); diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 4d6fbb36ab8a..d723543beadd 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -1036,7 +1036,7 @@ static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) n = DDS_NUMERATOR; div64_32(&n, rate, &r); /* n should be less than 2^32 for being written to FREQ register */ - snd_assert((n >> 32) == 0); + snd_BUG_ON(n >> 32); /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS value to write it after a reset */ hdsp->dds_value = n; @@ -3043,7 +3043,7 @@ static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct sn struct hdsp *hdsp = snd_kcontrol_chip(kcontrol); offset = ucontrol->id.index - 1; - snd_assert(offset >= 0); + snd_BUG_ON(offset < 0); switch (hdsp->io_type) { case Digiface: @@ -3767,7 +3767,8 @@ static char *hdsp_channel_buffer_location(struct hdsp *hdsp, { int mapped_channel; - snd_assert(channel >= 0 && channel < hdsp->max_channels, return NULL); + if (snd_BUG_ON(channel < 0 || channel >= hdsp->max_channels)) + return NULL; if ((mapped_channel = hdsp->channel_map[channel]) < 0) return NULL; @@ -3784,10 +3785,12 @@ static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int chann struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= HDSP_CHANNEL_BUFFER_BYTES / 4, return -EINVAL); + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; if (copy_from_user(channel_buf + pos * 4, src, count * 4)) return -EFAULT; return count; @@ -3799,10 +3802,12 @@ static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int channe struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= HDSP_CHANNEL_BUFFER_BYTES / 4, return -EINVAL); + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) return -EFAULT; return count; @@ -3815,7 +3820,8 @@ static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, char *channel_buf; channel_buf = hdsp_channel_buffer_location (hdsp, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; memset(channel_buf + pos * 4, 0, count * 4); return count; } @@ -3927,7 +3933,8 @@ static int snd_hdsp_channel_info(struct snd_pcm_substream *substream, struct hdsp *hdsp = snd_pcm_substream_chip(substream); int mapped_channel; - snd_assert(info->channel < hdsp->max_channels, return -EINVAL); + if (snd_BUG_ON(info->channel >= hdsp->max_channels)) + return -EINVAL; if ((mapped_channel = hdsp->channel_map[info->channel]) < 0) return -EINVAL; diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index ab423bc82342..83c92e6082a2 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -845,7 +845,7 @@ static void hdspm_set_dds_value(struct hdspm *hdspm, int rate) n = 110100480000000ULL; /* Value checked for AES32 and MADI */ div64_32(&n, rate, &r); /* n should be less than 2^32 for being written to FREQ register */ - snd_assert((n >> 32) == 0); + snd_BUG_ON(n >> 32); hdspm_write(hdspm, HDSPM_freqReg, (u32)n); } @@ -2617,8 +2617,8 @@ static int snd_hdspm_get_playback_mixer(struct snd_kcontrol *kcontrol, channel = ucontrol->id.index - 1; - snd_assert(channel >= 0 - || channel < HDSPM_MAX_CHANNELS, return -EINVAL); + if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS)) + return -EINVAL; mapped_channel = hdspm->channel_map[channel]; if (mapped_channel < 0) @@ -2652,8 +2652,8 @@ static int snd_hdspm_put_playback_mixer(struct snd_kcontrol *kcontrol, channel = ucontrol->id.index - 1; - snd_assert(channel >= 0 - || channel < HDSPM_MAX_CHANNELS, return -EINVAL); + if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS)) + return -EINVAL; mapped_channel = hdspm->channel_map[channel]; if (mapped_channel < 0) @@ -3496,8 +3496,8 @@ static char *hdspm_channel_buffer_location(struct hdspm * hdspm, { int mapped_channel; - snd_assert(channel >= 0 - || channel < HDSPM_MAX_CHANNELS, return NULL); + if (snd_BUG_ON(channel < 0 || channel >= HDSPM_MAX_CHANNELS)) + return NULL; mapped_channel = hdspm->channel_map[channel]; if (mapped_channel < 0) @@ -3520,14 +3520,15 @@ static int snd_hdspm_playback_copy(struct snd_pcm_substream *substream, struct hdspm *hdspm = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4, - return -EINVAL); + if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = hdspm_channel_buffer_location(hdspm, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; return copy_from_user(channel_buf + pos * 4, src, count * 4); } @@ -3539,13 +3540,14 @@ static int snd_hdspm_capture_copy(struct snd_pcm_substream *substream, struct hdspm *hdspm = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= HDSPM_CHANNEL_BUFFER_BYTES / 4, - return -EINVAL); + if (snd_BUG_ON(pos + count > HDSPM_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = hdspm_channel_buffer_location(hdspm, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; return copy_to_user(dst, channel_buf + pos * 4, count * 4); } @@ -3559,7 +3561,8 @@ static int snd_hdspm_hw_silence(struct snd_pcm_substream *substream, channel_buf = hdspm_channel_buffer_location(hdspm, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; memset(channel_buf + pos * 4, 0, count * 4); return 0; } @@ -3744,7 +3747,8 @@ static int snd_hdspm_channel_info(struct snd_pcm_substream *substream, struct hdspm *hdspm = snd_pcm_substream_chip(substream); int mapped_channel; - snd_assert(info->channel < HDSPM_MAX_CHANNELS, return -EINVAL); + if (snd_BUG_ON(info->channel >= HDSPM_MAX_CHANNELS)) + return -EINVAL; mapped_channel = hdspm->channel_map[info->channel]; if (mapped_channel < 0) diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index a123f0e6ba23..2570907134d7 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -595,8 +595,6 @@ static void rme9652_set_thru(struct snd_rme9652 *rme9652, int channel, int enabl } else { int mapped_channel; - snd_assert(channel == RME9652_NCHANNELS, return); - mapped_channel = rme9652->channel_map[channel]; if (enable) { @@ -1893,7 +1891,8 @@ static char *rme9652_channel_buffer_location(struct snd_rme9652 *rme9652, { int mapped_channel; - snd_assert(channel >= 0 || channel < RME9652_NCHANNELS, return NULL); + if (snd_BUG_ON(channel < 0 || channel >= RME9652_NCHANNELS)) + return NULL; if ((mapped_channel = rme9652->channel_map[channel]) < 0) { return NULL; @@ -1914,12 +1913,14 @@ static int snd_rme9652_playback_copy(struct snd_pcm_substream *substream, int ch struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= RME9652_CHANNEL_BUFFER_BYTES / 4, return -EINVAL); + if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = rme9652_channel_buffer_location (rme9652, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; if (copy_from_user(channel_buf + pos * 4, src, count * 4)) return -EFAULT; return count; @@ -1931,12 +1932,14 @@ static int snd_rme9652_capture_copy(struct snd_pcm_substream *substream, int cha struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); char *channel_buf; - snd_assert(pos + count <= RME9652_CHANNEL_BUFFER_BYTES / 4, return -EINVAL); + if (snd_BUG_ON(pos + count > RME9652_CHANNEL_BUFFER_BYTES / 4)) + return -EINVAL; channel_buf = rme9652_channel_buffer_location (rme9652, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; if (copy_to_user(dst, channel_buf + pos * 4, count * 4)) return -EFAULT; return count; @@ -1951,7 +1954,8 @@ static int snd_rme9652_hw_silence(struct snd_pcm_substream *substream, int chann channel_buf = rme9652_channel_buffer_location (rme9652, substream->pstr->stream, channel); - snd_assert(channel_buf != NULL, return -EIO); + if (snd_BUG_ON(!channel_buf)) + return -EIO; memset(channel_buf + pos * 4, 0, count * 4); return count; } @@ -2053,7 +2057,8 @@ static int snd_rme9652_channel_info(struct snd_pcm_substream *substream, struct snd_rme9652 *rme9652 = snd_pcm_substream_chip(substream); int chn; - snd_assert(info->channel < RME9652_NCHANNELS, return -EINVAL); + if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS)) + return -EINVAL; if ((chn = rme9652->channel_map[info->channel]) < 0) { return -EINVAL; diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c index 0d3d305b0a0b..cd408b86c839 100644 --- a/sound/pci/sonicvibes.c +++ b/sound/pci/sonicvibes.c @@ -534,8 +534,8 @@ static int snd_sonicvibes_hw_constraint_dac_rate(struct snd_pcm_hw_params *param params->rate_den = 1; } else { snd_sonicvibes_pll(rate, &r, &m, &n); - snd_assert((SV_REFFREQUENCY % 16) == 0, return -EINVAL); - snd_assert((SV_ADCMULT % 512) == 0, return -EINVAL); + snd_BUG_ON(SV_REFFREQUENCY % 16); + snd_BUG_ON(SV_ADCMULT % 512); params->rate_num = (SV_REFFREQUENCY/16) * (n+2) * r; params->rate_den = (SV_ADCMULT/512) * (m+2); } @@ -849,7 +849,8 @@ static int __devinit snd_sonicvibes_pcm(struct sonicvibes * sonic, int device, s if ((err = snd_pcm_new(sonic->card, "s3_86c617", device, 1, 1, &pcm)) < 0) return err; - snd_assert(pcm != NULL, return -EINVAL); + if (snd_BUG_ON(!pcm)) + return -EINVAL; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sonicvibes_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sonicvibes_capture_ops); @@ -1089,7 +1090,8 @@ static int __devinit snd_sonicvibes_mixer(struct sonicvibes * sonic) unsigned int idx; int err; - snd_assert(sonic != NULL && sonic->card != NULL, return -EINVAL); + if (snd_BUG_ON(!sonic || !sonic->card)) + return -EINVAL; card = sonic->card; strcpy(card->mixername, "S3 SonicVibes"); diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c index a69b4206c69e..c612b435ca2b 100644 --- a/sound/pci/trident/trident_main.c +++ b/sound/pci/trident/trident_main.c @@ -2931,7 +2931,8 @@ static int snd_trident_pcm_mixer_build(struct snd_trident *trident, { struct snd_trident_pcm_mixer *tmix; - snd_assert(trident != NULL && voice != NULL && substream != NULL, return -EINVAL); + if (snd_BUG_ON(!trident || !voice || !substream)) + return -EINVAL; tmix = &trident->pcm_mixer[substream->number]; tmix->voice = voice; tmix->vol = T4D_DEFAULT_PCM_VOL; @@ -2946,7 +2947,8 @@ static int snd_trident_pcm_mixer_free(struct snd_trident *trident, struct snd_tr { struct snd_trident_pcm_mixer *tmix; - snd_assert(trident != NULL && substream != NULL, return -EINVAL); + if (snd_BUG_ON(!trident || !substream)) + return -EINVAL; tmix = &trident->pcm_mixer[substream->number]; tmix->voice = NULL; snd_trident_notify_pcm_change(trident, tmix, substream->number, 0); @@ -3131,7 +3133,8 @@ static unsigned char snd_trident_gameport_read(struct gameport *gameport) { struct snd_trident *chip = gameport_get_port_data(gameport); - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; return inb(TRID_REG(chip, GAMEPORT_LEGACY)); } @@ -3139,7 +3142,8 @@ static void snd_trident_gameport_trigger(struct gameport *gameport) { struct snd_trident *chip = gameport_get_port_data(gameport); - snd_assert(chip, return); + if (snd_BUG_ON(!chip)) + return; outb(0xff, TRID_REG(chip, GAMEPORT_LEGACY)); } @@ -3148,7 +3152,8 @@ static int snd_trident_gameport_cooked_read(struct gameport *gameport, int *axes struct snd_trident *chip = gameport_get_port_data(gameport); int i; - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; *buttons = (~inb(TRID_REG(chip, GAMEPORT_LEGACY)) >> 4) & 0xf; @@ -3164,7 +3169,8 @@ static int snd_trident_gameport_open(struct gameport *gameport, int mode) { struct snd_trident *chip = gameport_get_port_data(gameport); - snd_assert(chip, return 0); + if (snd_BUG_ON(!chip)) + return 0; switch (mode) { case GAMEPORT_MODE_COOKED: @@ -3891,8 +3897,8 @@ static void snd_trident_clear_voices(struct snd_trident * trident, unsigned shor { unsigned int i, val, mask[2] = { 0, 0 }; - snd_assert(v_min <= 63, return); - snd_assert(v_max <= 63, return); + if (snd_BUG_ON(v_min > 63 || v_max > 63)) + return; for (i = v_min; i <= v_max; i++) mask[i >> 5] |= 1 << (i & 0x1f); if (mask[0]) { diff --git a/sound/pci/trident/trident_memory.c b/sound/pci/trident/trident_memory.c index 3fd7f1b29b0f..2fe3b1fab53a 100644 --- a/sound/pci/trident/trident_memory.c +++ b/sound/pci/trident/trident_memory.c @@ -196,9 +196,13 @@ snd_trident_alloc_sg_pages(struct snd_trident *trident, int idx, page; struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); - snd_assert(runtime->dma_bytes > 0 && runtime->dma_bytes <= SNDRV_TRIDENT_MAX_PAGES * SNDRV_TRIDENT_PAGE_SIZE, return NULL); + if (snd_BUG_ON(runtime->dma_bytes <= 0 || + runtime->dma_bytes > SNDRV_TRIDENT_MAX_PAGES * + SNDRV_TRIDENT_PAGE_SIZE)) + return NULL; hdr = trident->tlb.memhdr; - snd_assert(hdr != NULL, return NULL); + if (snd_BUG_ON(!hdr)) + return NULL; @@ -245,9 +249,13 @@ snd_trident_alloc_cont_pages(struct snd_trident *trident, dma_addr_t addr; unsigned long ptr; - snd_assert(runtime->dma_bytes> 0 && runtime->dma_bytes <= SNDRV_TRIDENT_MAX_PAGES * SNDRV_TRIDENT_PAGE_SIZE, return NULL); + if (snd_BUG_ON(runtime->dma_bytes <= 0 || + runtime->dma_bytes > SNDRV_TRIDENT_MAX_PAGES * + SNDRV_TRIDENT_PAGE_SIZE)) + return NULL; hdr = trident->tlb.memhdr; - snd_assert(hdr != NULL, return NULL); + if (snd_BUG_ON(!hdr)) + return NULL; mutex_lock(&hdr->block_mutex); blk = search_empty(hdr, runtime->dma_bytes); @@ -279,8 +287,8 @@ struct snd_util_memblk * snd_trident_alloc_pages(struct snd_trident *trident, struct snd_pcm_substream *substream) { - snd_assert(trident != NULL, return NULL); - snd_assert(substream != NULL, return NULL); + if (snd_BUG_ON(!trident || !substream)) + return NULL; if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV_SG) return snd_trident_alloc_sg_pages(trident, substream); else @@ -297,8 +305,8 @@ int snd_trident_free_pages(struct snd_trident *trident, struct snd_util_memhdr *hdr; int page; - snd_assert(trident != NULL, return -EINVAL); - snd_assert(blk != NULL, return -EINVAL); + if (snd_BUG_ON(!trident || !blk)) + return -EINVAL; hdr = trident->tlb.memhdr; mutex_lock(&hdr->block_mutex); diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index 6781be9e3078..84ea35d8b252 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -824,7 +824,8 @@ static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substr struct viadev *viadev = substream->runtime->private_data; unsigned int idx, ptr, count, res; - snd_assert(viadev->tbl_entries, return 0); + if (snd_BUG_ON(!viadev->tbl_entries)) + return 0; if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) return 0; @@ -855,7 +856,8 @@ static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *subst unsigned int idx, count, res; int status; - snd_assert(viadev->tbl_entries, return 0); + if (snd_BUG_ON(!viadev->tbl_entries)) + return 0; spin_lock(&chip->reg_lock); count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); @@ -1037,7 +1039,7 @@ static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) else rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; - snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); + snd_BUG_ON(rbits & ~0xfffff); snd_via82xx_channel_reset(chip, viadev); snd_via82xx_set_table_ptr(chip, viadev); outb(chip->playback_volume[viadev->reg_offset / 0x10][0], diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c index 31f64ee39882..640c338ce0ab 100644 --- a/sound/pci/via82xx_modem.c +++ b/sound/pci/via82xx_modem.c @@ -612,7 +612,8 @@ static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substr struct viadev *viadev = substream->runtime->private_data; unsigned int idx, ptr, count, res; - snd_assert(viadev->tbl_entries, return 0); + if (snd_BUG_ON(!viadev->tbl_entries)) + return 0; if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) return 0; diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index 631f3a639993..7e87f398ff0b 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -253,7 +253,8 @@ static void vx2_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, int offset = pipe->hw_ptr; u32 *addr = (u32 *)(runtime->dma_area + offset); - snd_assert(count % 4 == 0, return); + if (snd_BUG_ON(count % 4)) + return; vx2_setup_pseudo_dma(chip, 1); @@ -291,7 +292,8 @@ static void vx2_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, u32 *addr = (u32 *)(runtime->dma_area + offset); unsigned long port = vx2_reg_addr(chip, VX_DMA); - snd_assert(count % 4 == 0, return); + if (snd_BUG_ON(count % 4)) + return; vx2_setup_pseudo_dma(chip, 0); /* Transfer using pseudo-dma. @@ -675,7 +677,8 @@ static void vx2_write_akm(struct vx_core *chip, int reg, unsigned int data) a look up table, as there is no linear matching between the driver codec values and the real dBu value */ - snd_assert(data < sizeof(vx2_akm_gains_lut), return); + if (snd_BUG_ON(data >= sizeof(vx2_akm_gains_lut))) + return; switch (reg) { case XX_CODEC_LEVEL_LEFT_REGISTER: @@ -823,7 +826,8 @@ static void vx2_set_input_level(struct snd_vx222 *chip) preamp++; /* raise pre ampli + 18dB */ miclevel -= (18 * 2); /* lower level 18 dB (*2 because of 0.5 dB steps !) */ } - snd_assert(preamp < 4, return); + if (snd_BUG_ON(preamp >= 4)) + return; /* set pre-amp level */ chip->regSELMIC &= ~MICRO_SELECT_PREAMPLI_MASK; diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 92d49aadf579..90d0d62bd0b4 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -259,8 +259,10 @@ static int snd_ymfpci_voice_alloc(struct snd_ymfpci *chip, unsigned long flags; int result; - snd_assert(rvoice != NULL, return -EINVAL); - snd_assert(!pair || type == YMFPCI_PCM, return -EINVAL); + if (snd_BUG_ON(!rvoice)) + return -EINVAL; + if (snd_BUG_ON(pair && type != YMFPCI_PCM)) + return -EINVAL; spin_lock_irqsave(&chip->voice_lock, flags); for (;;) { @@ -278,7 +280,8 @@ static int snd_ymfpci_voice_free(struct snd_ymfpci *chip, struct snd_ymfpci_voic { unsigned long flags; - snd_assert(pvoice != NULL, return -EINVAL); + if (snd_BUG_ON(!pvoice)) + return -EINVAL; snd_ymfpci_hw_stop(chip); spin_lock_irqsave(&chip->voice_lock, flags); if (pvoice->number == chip->src441_used) { @@ -494,7 +497,8 @@ static void snd_ymfpci_pcm_init_voice(struct snd_ymfpci_pcm *ypcm, unsigned int u8 use_left, use_right; unsigned long flags; - snd_assert(voice != NULL, return); + if (snd_BUG_ON(!voice)) + return; if (runtime->channels == 1) { use_left = 1; use_right = 1; @@ -1813,7 +1817,8 @@ int __devinit snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) } /* add S/PDIF control */ - snd_assert(chip->pcm_spdif != NULL, return -EIO); + if (snd_BUG_ON(!chip->pcm_spdif)) + return -ENXIO; if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip))) < 0) return err; kctl->id.device = chip->pcm_spdif->device; @@ -2133,7 +2138,8 @@ static int __devinit snd_ymfpci_memalloc(struct snd_ymfpci *chip) chip->work_base = ptr; chip->work_base_addr = ptr_addr; - snd_assert(ptr + chip->work_size == chip->work_ptr.area + chip->work_ptr.bytes, ); + snd_BUG_ON(ptr + chip->work_size != + chip->work_ptr.area + chip->work_ptr.bytes); snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr); snd_ymfpci_writel(chip, YDSXGR_RECCTRLBASE, chip->bank_base_capture_addr); @@ -2168,7 +2174,8 @@ static int snd_ymfpci_free(struct snd_ymfpci *chip) { u16 ctrl; - snd_assert(chip != NULL, return -EINVAL); + if (snd_BUG_ON(!chip)) + return -EINVAL; if (chip->res_reg_area) { /* don't touch busy hardware */ snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0); -- GitLab From 5e246b850df563224be26f1d409cf66fd6c968df Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:12:47 +0200 Subject: [PATCH 0320/6244] ALSA: Kill snd_assert() in other places Kill snd_assert() in other places, either removed or replaced with if () with snd_BUG_ON(). Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- drivers/media/video/saa7134/saa7134-alsa.c | 13 +++--- include/sound/vx_core.h | 9 ----- sound/arm/sa11xx-uda1341.c | 5 ++- sound/drivers/dummy.c | 3 +- sound/drivers/opl3/opl3_lib.c | 6 ++- sound/drivers/opl3/opl3_midi.c | 6 ++- sound/drivers/opl3/opl3_oss.c | 15 ++++--- sound/drivers/opl3/opl3_synth.c | 3 +- sound/drivers/opl4/opl4_synth.c | 2 +- sound/drivers/vx/vx_cmd.c | 3 +- sound/drivers/vx/vx_core.c | 21 ++++++---- sound/drivers/vx/vx_hwdep.c | 6 ++- sound/drivers/vx/vx_mixer.c | 3 +- sound/drivers/vx/vx_pcm.c | 9 +++-- sound/drivers/vx/vx_uer.c | 6 ++- sound/i2c/cs8427.c | 15 ++++--- sound/i2c/i2c.c | 6 ++- sound/i2c/l3/uda1341.c | 3 +- sound/i2c/other/ak4114.c | 3 +- sound/i2c/other/ak4117.c | 3 +- sound/mips/au1x00.c | 6 ++- sound/parisc/harmony.c | 3 +- sound/pcmcia/vx/vxp_ops.c | 3 +- sound/ppc/awacs.c | 23 ++++------- sound/ppc/beep.c | 6 ++- sound/ppc/tumbler.c | 17 +++----- sound/sh/aica.c | 3 +- sound/sparc/amd7930.c | 19 +-------- sound/sparc/cs4231.c | 3 +- sound/sparc/dbri.c | 17 +++++--- sound/synth/emux/emux.c | 8 ++-- sound/synth/emux/emux_nrpn.c | 8 ++-- sound/synth/emux/emux_oss.c | 42 ++++++++++++------- sound/synth/emux/emux_seq.c | 15 ++++--- sound/synth/emux/emux_synth.c | 47 ++++++++++++---------- sound/synth/util_mem.c | 10 +++-- sound/usb/usbaudio.c | 12 ++++-- sound/usb/usbmixer.c | 3 +- 38 files changed, 217 insertions(+), 168 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index 9929d20320b4..26194a0ce927 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -488,10 +488,12 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, period_size = params_period_bytes(hw_params); periods = params_periods(hw_params); - snd_assert(period_size >= 0x100 && period_size <= 0x10000, - return -EINVAL); - snd_assert(periods >= 4, return -EINVAL); - snd_assert(period_size * periods <= 1024 * 1024, return -EINVAL); + if (period_size < 0x100 || period_size > 0x10000) + return -EINVAL; + if (periods < 4) + return -EINVAL; + if (period_size * periods > 1024 * 1024) + return -EINVAL; dev = saa7134->dev; @@ -942,7 +944,8 @@ static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) unsigned int idx; int err; - snd_assert(chip != NULL, return -EINVAL); + if (snd_BUG_ON(!chip)) + return -EINVAL; strcpy(card->mixername, "SAA7134 Mixer"); for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { diff --git a/include/sound/vx_core.h b/include/sound/vx_core.h index 4830651cc4cf..5456343ebe4c 100644 --- a/include/sound/vx_core.h +++ b/include/sound/vx_core.h @@ -235,37 +235,31 @@ irqreturn_t snd_vx_irq_handler(int irq, void *dev); */ static inline int vx_test_and_ack(struct vx_core *chip) { - snd_assert(chip->ops->test_and_ack, return -ENXIO); return chip->ops->test_and_ack(chip); } static inline void vx_validate_irq(struct vx_core *chip, int enable) { - snd_assert(chip->ops->validate_irq, return); chip->ops->validate_irq(chip, enable); } static inline unsigned char snd_vx_inb(struct vx_core *chip, int reg) { - snd_assert(chip->ops->in8, return 0); return chip->ops->in8(chip, reg); } static inline unsigned int snd_vx_inl(struct vx_core *chip, int reg) { - snd_assert(chip->ops->in32, return 0); return chip->ops->in32(chip, reg); } static inline void snd_vx_outb(struct vx_core *chip, int reg, unsigned char val) { - snd_assert(chip->ops->out8, return); chip->ops->out8(chip, reg, val); } static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val) { - snd_assert(chip->ops->out32, return); chip->ops->out32(chip, reg, val); } @@ -276,7 +270,6 @@ static inline void snd_vx_outl(struct vx_core *chip, int reg, unsigned int val) static inline void vx_reset_dsp(struct vx_core *chip) { - snd_assert(chip->ops->reset_dsp, return); chip->ops->reset_dsp(chip); } @@ -304,14 +297,12 @@ int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int t static inline void vx_pseudo_dma_write(struct vx_core *chip, struct snd_pcm_runtime *runtime, struct vx_pipe *pipe, int count) { - snd_assert(chip->ops->dma_write, return); chip->ops->dma_write(chip, runtime, pipe, count); } static inline void vx_pseudo_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, struct vx_pipe *pipe, int count) { - snd_assert(chip->ops->dma_read, return); chip->ops->dma_read(chip, runtime, pipe, count); } diff --git a/sound/arm/sa11xx-uda1341.c b/sound/arm/sa11xx-uda1341.c index b9c51bf8cd71..8addb9d914c1 100644 --- a/sound/arm/sa11xx-uda1341.c +++ b/sound/arm/sa11xx-uda1341.c @@ -442,7 +442,8 @@ static void audio_process_dma(struct audio_stream *s) /* we are requested to process synchronization DMA transfer */ if (s->tx_spin) { - snd_assert(s->stream_id == SNDRV_PCM_STREAM_PLAYBACK, return); + if (snd_BUG_ON(s->stream_id != SNDRV_PCM_STREAM_PLAYBACK)) + return; /* fill the xmit dma buffers and return */ #ifdef HH_VERSION sa1100_dma_set_spin(s->dmach, FORCE_CLOCK_ADDR, FORCE_CLOCK_SIZE); @@ -472,7 +473,7 @@ static void audio_process_dma(struct audio_stream *s) continue; /* special case */ } else { offset = dma_size * s->period; - snd_assert(dma_size <= DMA_BUF_SIZE, ); + snd_BUG_ON(dma_size > DMA_BUF_SIZE); } #ifdef HH_VERSION ret = sa1100_dma_queue_buffer(s->dmach, s, runtime->dma_addr + offset, dma_size); diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 4e4c69e6cb4c..c873243e6713 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -565,7 +565,8 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy) unsigned int idx; int err; - snd_assert(dummy != NULL, return -EINVAL); + if (snd_BUG_ON(!dummy)) + return -EINVAL; spin_lock_init(&dummy->mixer_lock); strcpy(card->mixername, "Dummy Mixer"); diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c index ebe4359047cb..780582340fef 100644 --- a/sound/drivers/opl3/opl3_lib.c +++ b/sound/drivers/opl3/opl3_lib.c @@ -139,7 +139,8 @@ static int snd_opl3_detect(struct snd_opl3 * opl3) * If we had an OPL4 chip, opl3->hardware would have been set * by the OPL4 driver; so we can assume OPL3 here. */ - snd_assert(opl3->r_port != 0, return -ENODEV); + if (snd_BUG_ON(!opl3->r_port)) + return -ENODEV; opl3->hardware = OPL3_HW_OPL3; } return 0; @@ -324,7 +325,8 @@ EXPORT_SYMBOL(snd_opl3_interrupt); static int snd_opl3_free(struct snd_opl3 *opl3) { - snd_assert(opl3 != NULL, return -ENXIO); + if (snd_BUG_ON(!opl3)) + return -ENXIO; if (opl3->private_free) opl3->private_free(opl3); snd_opl3_clear_patches(opl3); diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c index cebcb8b78acb..16feafa2c51e 100644 --- a/sound/drivers/opl3/opl3_midi.c +++ b/sound/drivers/opl3/opl3_midi.c @@ -617,7 +617,8 @@ static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice) struct snd_opl3_voice *vp, *vp2; - snd_assert(voice < MAX_OPL3_VOICES, return); + if (snd_BUG_ON(voice >= MAX_OPL3_VOICES)) + return; vp = &opl3->voices[voice]; if (voice < MAX_OPL2_VOICES) { @@ -737,7 +738,8 @@ static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice) struct snd_opl3_voice *vp; - snd_assert(voice < MAX_OPL3_VOICES, return); + if (snd_BUG_ON(voice >= MAX_OPL3_VOICES)) + return; vp = &opl3->voices[voice]; if (vp->chan == NULL) diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index 239347f26154..9a2271dc046a 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -162,7 +162,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) struct snd_opl3 *opl3 = closure; int err; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; if ((err = snd_opl3_synth_setup(opl3)) < 0) return err; @@ -184,7 +185,8 @@ static int snd_opl3_close_seq_oss(struct snd_seq_oss_arg *arg) { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; snd_opl3_synth_cleanup(opl3); @@ -206,7 +208,8 @@ static int snd_opl3_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, char name[32]; int err, type; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; if (format == FM_PATCH) @@ -246,7 +249,8 @@ static int snd_opl3_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; switch (cmd) { case SNDCTL_FM_LOAD_INSTR: @@ -271,7 +275,8 @@ static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg) { struct snd_opl3 *opl3; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; opl3 = arg->private_data; return 0; diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c index fb64c890109b..962bb9c8b9c8 100644 --- a/sound/drivers/opl3/opl3_synth.c +++ b/sound/drivers/opl3/opl3_synth.c @@ -92,7 +92,8 @@ int snd_opl3_ioctl(struct snd_hwdep * hw, struct file *file, struct snd_opl3 *opl3 = hw->private_data; void __user *argp = (void __user *)arg; - snd_assert(opl3 != NULL, return -EINVAL); + if (snd_BUG_ON(!opl3)) + return -EINVAL; switch (cmd) { /* get information */ diff --git a/sound/drivers/opl4/opl4_synth.c b/sound/drivers/opl4/opl4_synth.c index 74f6e53eae0d..49b9e240915c 100644 --- a/sound/drivers/opl4/opl4_synth.c +++ b/sound/drivers/opl4/opl4_synth.c @@ -467,7 +467,7 @@ static struct opl4_voice *snd_opl4_get_voice(struct snd_opl4 *opl4) if (!list_empty(&opl4->off_voices)) return list_entry(opl4->off_voices.next, struct opl4_voice, list); /* then get the oldest key-on voice */ - snd_assert(!list_empty(&opl4->on_voices), ); + snd_BUG_ON(list_empty(&opl4->on_voices)); return list_entry(opl4->on_voices.next, struct opl4_voice, list); } diff --git a/sound/drivers/vx/vx_cmd.c b/sound/drivers/vx/vx_cmd.c index 9529e3bf2866..23f4857f02c8 100644 --- a/sound/drivers/vx/vx_cmd.c +++ b/sound/drivers/vx/vx_cmd.c @@ -99,7 +99,8 @@ static struct vx_cmd_info vx_dsp_cmds[] = { */ void vx_init_rmh(struct vx_rmh *rmh, unsigned int cmd) { - snd_assert(cmd < CMD_LAST_INDEX, return); + if (snd_BUG_ON(cmd >= CMD_LAST_INDEX)) + return; rmh->LgCmd = vx_dsp_cmds[cmd].length; rmh->LgStat = vx_dsp_cmds[cmd].st_length; rmh->DspStat = vx_dsp_cmds[cmd].st_type; diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c index 585af2eb1438..473b07f6ae85 100644 --- a/sound/drivers/vx/vx_core.c +++ b/sound/drivers/vx/vx_core.c @@ -205,7 +205,8 @@ static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh) if (size < 1) return 0; - snd_assert(size <= SIZE_MAX_STATUS, return -EINVAL); + if (snd_BUG_ON(size > SIZE_MAX_STATUS)) + return -EINVAL; for (i = 1; i <= size; i++) { /* trigger an irq MESS_WRITE_NEXT */ @@ -425,13 +426,16 @@ int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot) int no_fillup = vx_has_new_dsp(chip); /* check the length of boot image */ - snd_assert(boot->size > 0, return -EINVAL); - snd_assert(boot->size % 3 == 0, return -EINVAL); + if (boot->size <= 0) + return -EINVAL; + if (boot->size % 3) + return -EINVAL; #if 0 { /* more strict check */ unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2]; - snd_assert(boot->size == (c + 2) * 3, return -EINVAL); + if (boot->size != (c + 2) * 3) + return -EINVAL; } #endif @@ -554,7 +558,8 @@ EXPORT_SYMBOL(snd_vx_irq_handler); */ static void vx_reset_board(struct vx_core *chip, int cold_reset) { - snd_assert(chip->ops->reset_board, return); + if (snd_BUG_ON(!chip->ops->reset_board)) + return; /* current source, later sync'ed with target */ chip->audio_source = VX_AUDIO_SRC_LINE; @@ -673,7 +678,8 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp) unsigned int csum = 0; const unsigned char *image, *cptr; - snd_assert(dsp->size % 3 == 0, return -EINVAL); + if (dsp->size % 3) + return -EINVAL; vx_toggle_dac_mute(chip, 1); @@ -775,7 +781,8 @@ struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw, { struct vx_core *chip; - snd_assert(card && hw && ops, return NULL); + if (snd_BUG_ON(!card || !hw || !ops)) + return NULL; chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL); if (! chip) { diff --git a/sound/drivers/vx/vx_hwdep.c b/sound/drivers/vx/vx_hwdep.c index efd22e92bced..8d6362e2d4c9 100644 --- a/sound/drivers/vx/vx_hwdep.c +++ b/sound/drivers/vx/vx_hwdep.c @@ -141,7 +141,8 @@ static int vx_hwdep_dsp_status(struct snd_hwdep *hw, }; struct vx_core *vx = hw->private_data; - snd_assert(type_ids[vx->type], return -EINVAL); + if (snd_BUG_ON(!type_ids[vx->type])) + return -EINVAL; strcpy(info->id, type_ids[vx->type]); if (vx_is_pcmcia(vx)) info->num_dsps = 4; @@ -168,7 +169,8 @@ static int vx_hwdep_dsp_load(struct snd_hwdep *hw, int index, err; struct firmware *fw; - snd_assert(vx->ops->load_dsp, return -ENXIO); + if (snd_BUG_ON(!vx->ops->load_dsp)) + return -ENXIO; fw = kmalloc(sizeof(*fw), GFP_KERNEL); if (! fw) { diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c index 5a347321f8c0..c71b8d148d7f 100644 --- a/sound/drivers/vx/vx_mixer.c +++ b/sound/drivers/vx/vx_mixer.c @@ -34,7 +34,8 @@ static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int dat { unsigned long flags; - snd_assert(chip->ops->write_codec, return); + if (snd_BUG_ON(!chip->ops->write_codec)) + return; if (chip->chip_status & VX_STAT_IS_STALE) return; diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c index fdbf86571b1f..27de574c08f7 100644 --- a/sound/drivers/vx/vx_pcm.c +++ b/sound/drivers/vx/vx_pcm.c @@ -587,7 +587,8 @@ static int vx_pcm_playback_open(struct snd_pcm_substream *subs) return -EBUSY; audio = subs->pcm->device * 2; - snd_assert(audio < chip->audio_outs, return -EINVAL); + if (snd_BUG_ON(audio >= chip->audio_outs)) + return -EINVAL; /* playback pipe may have been already allocated for monitoring */ pipe = chip->playback_pipes[audio]; @@ -996,7 +997,8 @@ static int vx_pcm_capture_open(struct snd_pcm_substream *subs) return -EBUSY; audio = subs->pcm->device * 2; - snd_assert(audio < chip->audio_ins, return -EINVAL); + if (snd_BUG_ON(audio >= chip->audio_ins)) + return -EINVAL; err = vx_alloc_pipe(chip, 1, audio, 2, &pipe); if (err < 0) return err; @@ -1214,7 +1216,8 @@ void vx_pcm_update_intr(struct vx_core *chip, unsigned int events) } if (capture) continue; - snd_assert(p >= 0 && (unsigned int)p < chip->audio_outs,); + if (snd_BUG_ON(p < 0 || p >= chip->audio_outs)) + continue; pipe = chip->playback_pipes[p]; if (pipe && pipe->substream) { vx_pcm_playback_update(chip, pipe->substream, pipe); diff --git a/sound/drivers/vx/vx_uer.c b/sound/drivers/vx/vx_uer.c index fb8932af888d..0e1ba9b47904 100644 --- a/sound/drivers/vx/vx_uer.c +++ b/sound/drivers/vx/vx_uer.c @@ -163,13 +163,15 @@ static int vx_calc_clock_from_freq(struct vx_core *chip, int freq) { int hexfreq; - snd_assert(freq > 0, return 0); + if (snd_BUG_ON(freq <= 0)) + return 0; hexfreq = (28224000 * 10) / freq; hexfreq = (hexfreq + 5) / 10; /* max freq = 55125 Hz */ - snd_assert(hexfreq > 0x00000200, return 0); + if (snd_BUG_ON(hexfreq <= 0x00000200)) + return 0; if (hexfreq <= 0x03ff) return hexfreq - 0x00000201; diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c index 9c3d361accfb..020a5d512472 100644 --- a/sound/i2c/cs8427.c +++ b/sound/i2c/cs8427.c @@ -314,7 +314,8 @@ static void snd_cs8427_reset(struct snd_i2c_device *cs8427) unsigned long end_time; int data, aes3input = 0; - snd_assert(cs8427, return); + if (snd_BUG_ON(!cs8427)) + return; chip = cs8427->private_data; snd_i2c_lock(cs8427->bus); if ((chip->regmap[CS8427_REG_CLOCKSOURCE] & CS8427_RXDAES3INPUT) == @@ -526,7 +527,8 @@ int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427, unsigned int idx; int err; - snd_assert(play_substream && cap_substream, return -EINVAL); + if (snd_BUG_ON(!play_substream || !cap_substream)) + return -EINVAL; for (idx = 0; idx < ARRAY_SIZE(snd_cs8427_iec958_controls); idx++) { kctl = snd_ctl_new1(&snd_cs8427_iec958_controls[idx], cs8427); if (kctl == NULL) @@ -543,7 +545,8 @@ int snd_cs8427_iec958_build(struct snd_i2c_device *cs8427, chip->playback.substream = play_substream; chip->capture.substream = cap_substream; - snd_assert(chip->playback.pcm_ctl, return -EIO); + if (snd_BUG_ON(!chip->playback.pcm_ctl)) + return -EIO; return 0; } @@ -553,7 +556,8 @@ int snd_cs8427_iec958_active(struct snd_i2c_device *cs8427, int active) { struct cs8427 *chip; - snd_assert(cs8427, return -ENXIO); + if (snd_BUG_ON(!cs8427)) + return -ENXIO; chip = cs8427->private_data; if (active) memcpy(chip->playback.pcm_status, @@ -573,7 +577,8 @@ int snd_cs8427_iec958_pcm(struct snd_i2c_device *cs8427, unsigned int rate) char *status; int err, reset; - snd_assert(cs8427, return -ENXIO); + if (snd_BUG_ON(!cs8427)) + return -ENXIO; chip = cs8427->private_data; status = chip->playback.pcm_status; snd_i2c_lock(cs8427->bus); diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c index b1e74e40cba0..5c0c77dd01c3 100644 --- a/sound/i2c/i2c.c +++ b/sound/i2c/i2c.c @@ -49,7 +49,8 @@ static int snd_i2c_bus_free(struct snd_i2c_bus *bus) struct snd_i2c_bus *slave; struct snd_i2c_device *device; - snd_assert(bus != NULL, return -EINVAL); + if (snd_BUG_ON(!bus)) + return -EINVAL; while (!list_empty(&bus->devices)) { device = snd_i2c_device(bus->devices.next); snd_i2c_device_free(device); @@ -113,7 +114,8 @@ int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name, struct snd_i2c_device *device; *rdevice = NULL; - snd_assert(bus != NULL, return -EINVAL); + if (snd_BUG_ON(!bus)) + return -EINVAL; device = kzalloc(sizeof(*device), GFP_KERNEL); if (device == NULL) return -ENOMEM; diff --git a/sound/i2c/l3/uda1341.c b/sound/i2c/l3/uda1341.c index 1f4942ea1414..9840eb43648d 100644 --- a/sound/i2c/l3/uda1341.c +++ b/sound/i2c/l3/uda1341.c @@ -771,7 +771,8 @@ int __init snd_chip_uda1341_mixer_new(struct snd_card *card, struct l3_client ** struct l3_client *clnt; int idx, err; - snd_assert(card != NULL, return -EINVAL); + if (snd_BUG_ON(!card)) + return -EINVAL; clnt = kzalloc(sizeof(*clnt), GFP_KERNEL); if (clnt == NULL) diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index d20d893b3b60..0341451f814c 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -475,7 +475,8 @@ int snd_ak4114_build(struct ak4114 *ak4114, unsigned int idx; int err; - snd_assert(cap_substream, return -EINVAL); + if (snd_BUG_ON(!cap_substream)) + return -EINVAL; ak4114->playback_substream = ply_substream; ak4114->capture_substream = cap_substream; for (idx = 0; idx < AK4114_CONTROLS; idx++) { diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c index f350835ade96..2cad2d612518 100644 --- a/sound/i2c/other/ak4117.c +++ b/sound/i2c/other/ak4117.c @@ -431,7 +431,8 @@ int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *cap_substr unsigned int idx; int err; - snd_assert(cap_substream, return -EINVAL); + if (snd_BUG_ON(!cap_substream)) + return -EINVAL; ak4117->substream = cap_substream; for (idx = 0; idx < AK4117_CONTROLS; idx++) { kctl = snd_ctl_new1(&snd_ak4117_iec958_controls[idx], ak4117); diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c index fbef38a9604a..1881cec11e78 100644 --- a/sound/mips/au1x00.c +++ b/sound/mips/au1x00.c @@ -190,14 +190,16 @@ au1000_setup_dma_link(struct audio_stream *stream, unsigned int period_bytes, static void au1000_dma_stop(struct audio_stream *stream) { - snd_assert(stream->buffer, return); + if (snd_BUG_ON(!stream->buffer)) + return; disable_dma(stream->dma); } static void au1000_dma_start(struct audio_stream *stream) { - snd_assert(stream->buffer, return); + if (snd_BUG_ON(!stream->buffer)) + return; init_dma(stream->dma); if (get_dma_active_buffer(stream->dma) == 0) { diff --git a/sound/parisc/harmony.c b/sound/parisc/harmony.c index 99f5483abf2e..774372fe34ad 100644 --- a/sound/parisc/harmony.c +++ b/sound/parisc/harmony.c @@ -868,7 +868,8 @@ snd_harmony_mixer_init(struct snd_harmony *h) struct snd_card *card = h->card; int idx, err; - snd_assert(h != NULL, return -EINVAL); + if (snd_BUG_ON(!h)) + reutrn -EINVAL; strcpy(card->mixername, "Harmony Gain control interface"); for (idx = 0; idx < HARMONY_CONTROLS; idx++) { diff --git a/sound/pcmcia/vx/vxp_ops.c b/sound/pcmcia/vx/vxp_ops.c index 99bf2a65a6f5..989e04abb520 100644 --- a/sound/pcmcia/vx/vxp_ops.c +++ b/sound/pcmcia/vx/vxp_ops.c @@ -408,7 +408,8 @@ static void vxp_dma_read(struct vx_core *chip, struct snd_pcm_runtime *runtime, int offset = pipe->hw_ptr; unsigned short *addr = (unsigned short *)(runtime->dma_area + offset); - snd_assert(count % 2 == 0, return); + if (snd_BUG_ON(count % 2)) + return; vx_setup_pseudo_dma(chip, 0); if (offset + count > pipe->buffer_bytes) { int length = pipe->buffer_bytes - offset; diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c index 106c48225bba..7bd33e6552ab 100644 --- a/sound/ppc/awacs.c +++ b/sound/ppc/awacs.c @@ -319,7 +319,8 @@ static void awacs_amp_set_master(struct awacs_amp *amp, int vol) static void awacs_amp_free(struct snd_pmac *chip) { struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return); + if (!amp) + return; kfree(amp); chip->mixer_data = NULL; chip->mixer_free = NULL; @@ -345,8 +346,7 @@ static int snd_pmac_awacs_get_volume_amp(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); int index = kcontrol->private_value; struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = 31 - (amp->amp_vol[index][0] & 31); ucontrol->value.integer.value[1] = 31 - (amp->amp_vol[index][1] & 31); return 0; @@ -359,8 +359,6 @@ static int snd_pmac_awacs_put_volume_amp(struct snd_kcontrol *kcontrol, int index = kcontrol->private_value; int vol[2]; struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); vol[0] = (31 - (ucontrol->value.integer.value[0] & 31)) | (amp->amp_vol[index][0] & 32); @@ -375,8 +373,7 @@ static int snd_pmac_awacs_get_switch_amp(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); int index = kcontrol->private_value; struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = (amp->amp_vol[index][0] & 32) ? 0 : 1; ucontrol->value.integer.value[1] = (amp->amp_vol[index][1] & 32) @@ -391,8 +388,6 @@ static int snd_pmac_awacs_put_switch_amp(struct snd_kcontrol *kcontrol, int index = kcontrol->private_value; int vol[2]; struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); vol[0] = (ucontrol->value.integer.value[0] ? 0 : 32) | (amp->amp_vol[index][0] & 31); @@ -417,8 +412,7 @@ static int snd_pmac_awacs_get_tone_amp(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); int index = kcontrol->private_value; struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); + ucontrol->value.integer.value[0] = amp->amp_tone[index]; return 0; } @@ -430,8 +424,7 @@ static int snd_pmac_awacs_put_tone_amp(struct snd_kcontrol *kcontrol, int index = kcontrol->private_value; struct awacs_amp *amp = chip->mixer_data; unsigned int val; - snd_assert(amp, return -EINVAL); - snd_assert(index >= 0 && index <= 1, return -EINVAL); + val = ucontrol->value.integer.value[0]; if (val > 14) return -EINVAL; @@ -458,7 +451,7 @@ static int snd_pmac_awacs_get_master_amp(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct awacs_amp *amp = chip->mixer_data; - snd_assert(amp, return -EINVAL); + ucontrol->value.integer.value[0] = amp->amp_master; return 0; } @@ -469,7 +462,7 @@ static int snd_pmac_awacs_put_master_amp(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct awacs_amp *amp = chip->mixer_data; unsigned int val; - snd_assert(amp, return -EINVAL); + val = ucontrol->value.integer.value[0]; if (val > 99) return -EINVAL; diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c index baa2a7237370..89f5c328acfe 100644 --- a/sound/ppc/beep.c +++ b/sound/ppc/beep.c @@ -185,7 +185,8 @@ static int snd_pmac_get_beep(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); - snd_assert(chip->beep, return -ENXIO); + if (snd_BUG_ON(!chip->beep)) + return -ENXIO; ucontrol->value.integer.value[0] = chip->beep->volume; return 0; } @@ -195,7 +196,8 @@ static int snd_pmac_put_beep(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); unsigned int oval, nval; - snd_assert(chip->beep, return -ENXIO); + if (snd_BUG_ON(!chip->beep)) + return -ENXIO; oval = chip->beep->volume; nval = ucontrol->value.integer.value[0]; if (nval > 100) diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 009df8dd37a8..f746e15b8481 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -263,7 +263,7 @@ static int tumbler_get_master_volume(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix = chip->mixer_data; - snd_assert(mix, return -ENODEV); + ucontrol->value.integer.value[0] = mix->master_vol[0]; ucontrol->value.integer.value[1] = mix->master_vol[1]; return 0; @@ -277,7 +277,6 @@ static int tumbler_put_master_volume(struct snd_kcontrol *kcontrol, unsigned int vol[2]; int change; - snd_assert(mix, return -ENODEV); vol[0] = ucontrol->value.integer.value[0]; vol[1] = ucontrol->value.integer.value[1]; if (vol[0] >= ARRAY_SIZE(master_volume_table) || @@ -299,7 +298,7 @@ static int tumbler_get_master_switch(struct snd_kcontrol *kcontrol, { struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix = chip->mixer_data; - snd_assert(mix, return -ENODEV); + ucontrol->value.integer.value[0] = mix->master_switch[0]; ucontrol->value.integer.value[1] = mix->master_switch[1]; return 0; @@ -312,7 +311,6 @@ static int tumbler_put_master_switch(struct snd_kcontrol *kcontrol, struct pmac_tumbler *mix = chip->mixer_data; int change; - snd_assert(mix, return -ENODEV); change = mix->master_switch[0] != ucontrol->value.integer.value[0] || mix->master_switch[1] != ucontrol->value.integer.value[1]; if (change) { @@ -807,7 +805,6 @@ static int snapper_get_capture_source(struct snd_kcontrol *kcontrol, struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); struct pmac_tumbler *mix = chip->mixer_data; - snd_assert(mix, return -ENODEV); ucontrol->value.enumerated.item[0] = mix->capture_source; return 0; } @@ -819,7 +816,6 @@ static int snapper_put_capture_source(struct snd_kcontrol *kcontrol, struct pmac_tumbler *mix = chip->mixer_data; int change; - snd_assert(mix, return -ENODEV); change = ucontrol->value.enumerated.item[0] != mix->capture_source; if (change) { mix->capture_source = !!ucontrol->value.enumerated.item[0]; @@ -978,7 +974,8 @@ static void device_change_handler(struct work_struct *work) return; mix = chip->mixer_data; - snd_assert(mix, return); + if (snd_BUG_ON(!mix)) + return; headphone = tumbler_detect_headphone(chip); lineout = tumbler_detect_lineout(chip); @@ -1033,7 +1030,8 @@ static void tumbler_update_automute(struct snd_pmac *chip, int do_notify) if (chip->auto_mute) { struct pmac_tumbler *mix; mix = chip->mixer_data; - snd_assert(mix, return); + if (snd_BUG_ON(!mix)) + return; mix->auto_mute_notify = do_notify; schedule_work(&device_change); } @@ -1227,8 +1225,6 @@ static void tumbler_resume(struct snd_pmac *chip) { struct pmac_tumbler *mix = chip->mixer_data; - snd_assert(mix, return); - mix->acs &= ~1; mix->master_switch[0] = mix->save_master_switch[0]; mix->master_switch[1] = mix->save_master_switch[1]; @@ -1275,7 +1271,6 @@ static int __init tumbler_init(struct snd_pmac *chip) { int irq; struct pmac_tumbler *mix = chip->mixer_data; - snd_assert(mix, return -EINVAL); if (tumbler_find_device("audio-hw-reset", "platform-do-hw-reset", diff --git a/sound/sh/aica.c b/sound/sh/aica.c index 54df8baf916f..55031d0a6558 100644 --- a/sound/sh/aica.c +++ b/sound/sh/aica.c @@ -106,7 +106,8 @@ static void spu_memset(u32 toi, u32 what, int length) { int i; unsigned long flags; - snd_assert(length % 4 == 0, return); + if (snd_BUG_ON(length % 4)) + return; for (i = 0; i < length; i++) { if (!(i % 8)) spu_write_wait(); diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 0c63e0585b15..49acee0c4840 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -765,7 +765,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd) /* playback count */ 1, /* capture count */ 1, &pcm)) < 0) return err; - snd_assert(pcm != NULL, return -EINVAL); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_amd7930_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_amd7930_capture_ops); @@ -788,13 +787,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd) static int snd_amd7930_info_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { - int type = kctl->private_value; - - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - (void) type; - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; @@ -809,10 +801,6 @@ static int snd_amd7930_get_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem int type = kctl->private_value; int *swval; - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - switch (type) { case VOLUME_MONITOR: swval = &amd->mgain; @@ -838,10 +826,6 @@ static int snd_amd7930_put_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem int type = kctl->private_value; int *swval, change; - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - switch (type) { case VOLUME_MONITOR: swval = &amd->mgain; @@ -904,7 +888,8 @@ static int __devinit snd_amd7930_mixer(struct snd_amd7930 *amd) struct snd_card *card; int idx, err; - snd_assert(amd != NULL && amd->card != NULL, return -EINVAL); + if (snd_BUG_ON(!amd || !amd->card)) + return -EINVAL; card = amd->card; strcpy(card->mixername, card->shortname); diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index 1c4797be72ee..791d2fb821d1 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -1560,7 +1560,8 @@ static int __init snd_cs4231_mixer(struct snd_card *card) struct snd_cs4231 *chip = card->private_data; int err, idx; - snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->pcm)) + return -EINVAL; strcpy(card->mixername, chip->pcm->name); diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index ee2e1b4f3551..c534a2a849fa 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -2223,7 +2223,6 @@ static int __devinit snd_dbri_pcm(struct snd_card *card) /* playback count */ 1, /* capture count */ 1, &pcm)) < 0) return err; - snd_assert(pcm != NULL, return -EINVAL); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_dbri_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_dbri_ops); @@ -2263,9 +2262,10 @@ static int snd_cs4215_get_volume(struct snd_kcontrol *kcontrol, { struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol); struct dbri_streaminfo *info; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; info = &dbri->stream_info[kcontrol->private_value]; - snd_assert(info != NULL, return -EINVAL); ucontrol->value.integer.value[0] = info->left_gain; ucontrol->value.integer.value[1] = info->right_gain; @@ -2331,7 +2331,9 @@ static int snd_cs4215_get_single(struct snd_kcontrol *kcontrol, int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 1; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; if (elem < 4) ucontrol->value.integer.value[0] = @@ -2356,7 +2358,9 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol, int invert = (kcontrol->private_value >> 24) & 1; int changed = 0; unsigned short val; - snd_assert(dbri != NULL, return -EINVAL); + + if (snd_BUG_ON(!dbri)) + return -EINVAL; val = (ucontrol->value.integer.value[0] & mask); if (invert == 1) @@ -2432,7 +2436,8 @@ static int __devinit snd_dbri_mixer(struct snd_card *card) int idx, err; struct snd_dbri *dbri; - snd_assert(card != NULL && card->private_data != NULL, return -EINVAL); + if (snd_BUG_ON(!card || !card->private_data)) + return -EINVAL; dbri = card->private_data; strcpy(card->mixername, card->shortname); diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c index c89d2ea594b9..f16a3fce4597 100644 --- a/sound/synth/emux/emux.c +++ b/sound/synth/emux/emux.c @@ -93,10 +93,10 @@ int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, ch int err; struct snd_sf_callback sf_cb; - snd_assert(emu->hw != NULL, return -EINVAL); - snd_assert(emu->max_voices > 0, return -EINVAL); - snd_assert(card != NULL, return -EINVAL); - snd_assert(name != NULL, return -EINVAL); + if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0)) + return -EINVAL; + if (snd_BUG_ON(!card || !name)) + return -EINVAL; emu->card = card; emu->name = kstrdup(name, GFP_KERNEL); diff --git a/sound/synth/emux/emux_nrpn.c b/sound/synth/emux/emux_nrpn.c index c6917ba2c934..00fc005ecf6e 100644 --- a/sound/synth/emux/emux_nrpn.c +++ b/sound/synth/emux/emux_nrpn.c @@ -289,8 +289,8 @@ snd_emux_nrpn(void *p, struct snd_midi_channel *chan, struct snd_emux_port *port; port = p; - snd_assert(port != NULL, return); - snd_assert(chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; if (chan->control[MIDI_CTL_NONREG_PARM_NUM_MSB] == 127 && chan->control[MIDI_CTL_NONREG_PARM_NUM_LSB] <= 26) { @@ -379,8 +379,8 @@ snd_emux_sysex(void *p, unsigned char *buf, int len, int parsed, struct snd_emux *emu; port = p; - snd_assert(port != NULL, return); - snd_assert(chset != NULL, return); + if (snd_BUG_ON(!port || !chset)) + return; emu = port->emu; switch (parsed) { diff --git a/sound/synth/emux/emux_oss.c b/sound/synth/emux/emux_oss.c index f60a98ef7dec..5c47b6c09264 100644 --- a/sound/synth/emux/emux_oss.c +++ b/sound/synth/emux/emux_oss.c @@ -114,7 +114,8 @@ snd_emux_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) char tmpname[64]; emu = closure; - snd_assert(arg != NULL && emu != NULL, return -ENXIO); + if (snd_BUG_ON(!arg || !emu)) + return -ENXIO; mutex_lock(&emu->register_mutex); @@ -183,12 +184,15 @@ snd_emux_close_seq_oss(struct snd_seq_oss_arg *arg) struct snd_emux *emu; struct snd_emux_port *p; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; p = arg->private_data; - snd_assert(p != NULL, return -ENXIO); + if (snd_BUG_ON(!p)) + return -ENXIO; emu = p->emu; - snd_assert(emu != NULL, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; mutex_lock(&emu->register_mutex); snd_emux_sounds_off_all(p); @@ -212,12 +216,15 @@ snd_emux_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format, struct snd_emux_port *p; int rc; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; p = arg->private_data; - snd_assert(p != NULL, return -ENXIO); + if (snd_BUG_ON(!p)) + return -ENXIO; emu = p->emu; - snd_assert(emu != NULL, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; if (format == GUS_PATCH) rc = snd_soundfont_load_guspatch(emu->sflist, buf, count, @@ -252,12 +259,15 @@ snd_emux_ioctl_seq_oss(struct snd_seq_oss_arg *arg, unsigned int cmd, unsigned l struct snd_emux_port *p; struct snd_emux *emu; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; p = arg->private_data; - snd_assert(p != NULL, return -ENXIO); + if (snd_BUG_ON(!p)) + return -ENXIO; emu = p->emu; - snd_assert(emu != NULL, return -ENXIO); + if (snd_BUG_ON(!emu)) + return -ENXIO; switch (cmd) { case SNDCTL_SEQ_RESETSAMPLES: @@ -282,9 +292,11 @@ snd_emux_reset_seq_oss(struct snd_seq_oss_arg *arg) { struct snd_emux_port *p; - snd_assert(arg != NULL, return -ENXIO); + if (snd_BUG_ON(!arg)) + return -ENXIO; p = arg->private_data; - snd_assert(p != NULL, return -ENXIO); + if (snd_BUG_ON(!p)) + return -ENXIO; snd_emux_reset_port(p); return 0; } @@ -302,9 +314,11 @@ snd_emux_event_oss_input(struct snd_seq_event *ev, int direct, void *private_dat unsigned char cmd, *data; p = private_data; - snd_assert(p != NULL, return -EINVAL); + if (snd_BUG_ON(!p)) + return -EINVAL; emu = p->emu; - snd_assert(emu != NULL, return -EINVAL); + if (snd_BUG_ON(!emu)) + return -EINVAL; if (ev->type != SNDRV_SEQ_EVENT_OSS) return snd_emux_event_input(ev, direct, private_data, atomic, hop); diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c index d176cc01742d..335aa2ce2574 100644 --- a/sound/synth/emux/emux_seq.c +++ b/sound/synth/emux/emux_seq.c @@ -257,7 +257,8 @@ snd_emux_event_input(struct snd_seq_event *ev, int direct, void *private_data, struct snd_emux_port *port; port = private_data; - snd_assert(port != NULL && ev != NULL, return -EINVAL); + if (snd_BUG_ON(!port || !ev)) + return -EINVAL; snd_midi_process_event(&emux_ops, ev, &port->chset); @@ -308,9 +309,11 @@ snd_emux_use(void *private_data, struct snd_seq_port_subscribe *info) struct snd_emux *emu; p = private_data; - snd_assert(p != NULL, return -EINVAL); + if (snd_BUG_ON(!p)) + return -EINVAL; emu = p->emu; - snd_assert(emu != NULL, return -EINVAL); + if (snd_BUG_ON(!emu)) + return -EINVAL; mutex_lock(&emu->register_mutex); snd_emux_init_port(p); @@ -329,9 +332,11 @@ snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *info) struct snd_emux *emu; p = private_data; - snd_assert(p != NULL, return -EINVAL); + if (snd_BUG_ON(!p)) + return -EINVAL; emu = p->emu; - snd_assert(emu != NULL, return -EINVAL); + if (snd_BUG_ON(!emu)) + return -EINVAL; mutex_lock(&emu->register_mutex); snd_emux_sounds_off_all(p); diff --git a/sound/synth/emux/emux_synth.c b/sound/synth/emux/emux_synth.c index b343818dbb96..2cc6f6f79065 100644 --- a/sound/synth/emux/emux_synth.c +++ b/sound/synth/emux/emux_synth.c @@ -66,12 +66,12 @@ snd_emux_note_on(void *p, int note, int vel, struct snd_midi_channel *chan) struct snd_emux_port *port; port = p; - snd_assert(port != NULL && chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.get_voice != NULL, return); - snd_assert(emu->ops.trigger != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.get_voice || !emu->ops.trigger)) + return; key = note; /* remember the original note */ nvoices = get_zone(emu, port, ¬e, vel, chan, table); @@ -164,11 +164,12 @@ snd_emux_note_off(void *p, int note, int vel, struct snd_midi_channel *chan) struct snd_emux_port *port; port = p; - snd_assert(port != NULL && chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.release != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.release)) + return; spin_lock_irqsave(&emu->voice_lock, flags); for (ch = 0; ch < emu->max_voices; ch++) { @@ -242,11 +243,12 @@ snd_emux_key_press(void *p, int note, int vel, struct snd_midi_channel *chan) struct snd_emux_port *port; port = p; - snd_assert(port != NULL && chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.update != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.update)) + return; spin_lock_irqsave(&emu->voice_lock, flags); for (ch = 0; ch < emu->max_voices; ch++) { @@ -276,8 +278,8 @@ snd_emux_update_channel(struct snd_emux_port *port, struct snd_midi_channel *cha return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.update != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.update)) + return; spin_lock_irqsave(&emu->voice_lock, flags); for (i = 0; i < emu->max_voices; i++) { @@ -303,8 +305,8 @@ snd_emux_update_port(struct snd_emux_port *port, int update) return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.update != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.update)) + return; spin_lock_irqsave(&emu->voice_lock, flags); for (i = 0; i < emu->max_voices; i++) { @@ -326,7 +328,8 @@ snd_emux_control(void *p, int type, struct snd_midi_channel *chan) struct snd_emux_port *port; port = p; - snd_assert(port != NULL && chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; switch (type) { case MIDI_CTL_MSB_MAIN_VOLUME: @@ -400,11 +403,12 @@ snd_emux_terminate_note(void *p, int note, struct snd_midi_channel *chan) struct snd_emux_port *port; port = p; - snd_assert(port != NULL && chan != NULL, return); + if (snd_BUG_ON(!port || !chan)) + return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.terminate != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.terminate)) + return; terminate_note1(emu, note, chan, 1); } @@ -451,10 +455,11 @@ snd_emux_sounds_off_all(struct snd_emux_port *port) struct snd_emux_voice *vp; unsigned long flags; - snd_assert(port != NULL, return); + if (snd_BUG_ON(!port)) + return; emu = port->emu; - snd_assert(emu != NULL, return); - snd_assert(emu->ops.terminate != NULL, return); + if (snd_BUG_ON(!emu || !emu->ops.terminate)) + return; spin_lock_irqsave(&emu->voice_lock, flags); for (i = 0; i < emu->max_voices; i++) { diff --git a/sound/synth/util_mem.c b/sound/synth/util_mem.c index deabe5f899c4..c85522e3808d 100644 --- a/sound/synth/util_mem.c +++ b/sound/synth/util_mem.c @@ -55,7 +55,8 @@ void snd_util_memhdr_free(struct snd_util_memhdr *hdr) { struct list_head *p; - snd_assert(hdr != NULL, return); + if (!hdr) + return; /* release all blocks */ while ((p = hdr->block.next) != &hdr->block) { list_del(p); @@ -74,8 +75,8 @@ __snd_util_mem_alloc(struct snd_util_memhdr *hdr, int size) unsigned int units, prev_offset; struct list_head *p; - snd_assert(hdr != NULL, return NULL); - snd_assert(size > 0, return NULL); + if (snd_BUG_ON(!hdr || size <= 0)) + return NULL; /* word alignment */ units = size; @@ -161,7 +162,8 @@ __snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk) */ int snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk) { - snd_assert(hdr && blk, return -EINVAL); + if (snd_BUG_ON(!hdr || !blk)) + return -EINVAL; mutex_lock(&hdr->block_mutex); __snd_util_mem_free(hdr, blk); diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index b8cfb7c22768..c91f18cdc8b5 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -841,7 +841,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru return -EBADFD; for (i = 0; i < subs->nurbs; i++) { - snd_assert(subs->dataurb[i].urb, return -EINVAL); + if (snd_BUG_ON(!subs->dataurb[i].urb)) + return -EINVAL; if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) { snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i); goto __error; @@ -849,7 +850,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru } if (subs->syncpipe) { for (i = 0; i < SYNC_URBS; i++) { - snd_assert(subs->syncurb[i].urb, return -EINVAL); + if (snd_BUG_ON(!subs->syncurb[i].urb)) + return -EINVAL; if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) { snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i); goto __error; @@ -1321,10 +1323,12 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) int err; iface = usb_ifnum_to_if(dev, fmt->iface); - snd_assert(iface, return -EINVAL); + if (WARN_ON(!iface)) + return -EINVAL; alts = &iface->altsetting[fmt->altset_idx]; altsd = get_iface_desc(alts); - snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL); + if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting)) + return -EINVAL; if (fmt == subs->cur_audiofmt) return 0; diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 5f98bee06959..6621fad8c5f0 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1389,7 +1389,8 @@ static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl struct usb_mixer_elem_info *cval = kcontrol->private_data; char **itemlist = (char **)kcontrol->private_value; - snd_assert(itemlist, return -EINVAL); + if (snd_BUG_ON(!itemlist)) + return -EINVAL; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = cval->max; -- GitLab From 7cc6dffdae28058f5953fac5743b6abf705d4f05 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:14:55 +0200 Subject: [PATCH 0321/6244] ALSA: Kill snd_assert() definition Remove snd_assert() completely now. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- .../alsa/DocBook/writing-an-alsa-driver.tmpl | 29 +------------------ include/sound/core.h | 19 ------------ 2 files changed, 1 insertion(+), 47 deletions(-) diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index df699e4323ef..b54cb5048dfa 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -6135,38 +6135,11 @@ struct _snd_pcm_runtime { -
- <function>snd_assert()</function> - - snd_assert() macro is similar with the - normal assert() macro. For example, - - - - - - - - - - The first argument is the expression to evaluate, and the - second argument is the action if it fails. When - CONFIG_SND_DEBUG, is set, it will show an - error message such as BUG? (xxx) - together with stack trace. - - - When no debug flag is set, this macro is ignored. - -
-
<function>snd_BUG()</function> It shows the BUG? message and - stack trace as well as snd_assert at the point. + stack trace as well as snd_BUG_ON at the point. It's useful to show that a fatal error happens there. diff --git a/include/sound/core.h b/include/sound/core.h index 938c36a0e874..b3d8ac7c832b 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -368,8 +368,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #ifdef CONFIG_SND_DEBUG -#define __ASTRING__(x) #x - #ifdef CONFIG_SND_VERBOSE_PRINTK /** * snd_printd - debug printk @@ -384,22 +382,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #define snd_printd(fmt, args...) \ printk(fmt ,##args) #endif -/** - * snd_assert - run-time assertion macro - * @expr: expression - * - * This macro checks the expression in run-time and invokes the commands - * given in the rest arguments if the assertion is failed. - * When CONFIG_SND_DEBUG is not set, the expression is executed but - * not checked. - */ -#define snd_assert(expr, args...) do { \ - if (unlikely(!(expr))) { \ - snd_printk(KERN_ERR "BUG? (%s)\n", __ASTRING__(expr)); \ - dump_stack(); \ - args; \ - } \ -} while (0) #define snd_BUG() do { \ snd_printk(KERN_ERR "BUG?\n"); \ @@ -411,7 +393,6 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) #else /* !CONFIG_SND_DEBUG */ #define snd_printd(fmt, args...) /* nothing */ -#define snd_assert(expr, args...) (void)(expr) #define snd_BUG() /* nothing */ #define snd_BUG_ON(cond) ({/*(void)(cond);*/ 0;}) /* always false */ -- GitLab From bdbecf50064b75ecce2e10ce2621de0d0fac7de6 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 8 Aug 2008 17:18:08 +0200 Subject: [PATCH 0322/6244] ALSA: Clean up snd_BUG() Use the standard WARN() macro for snd_BUG(). Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/core.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/include/sound/core.h b/include/sound/core.h index b3d8ac7c832b..f52ab6f3ca6e 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -383,11 +383,7 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...) printk(fmt ,##args) #endif -#define snd_BUG() do { \ - snd_printk(KERN_ERR "BUG?\n"); \ - dump_stack(); \ -} while (0) - +#define snd_BUG() WARN(1, "BUG?\n") #define snd_BUG_ON(cond) WARN((cond), "BUG? (%s)\n", __stringify(cond)) #else /* !CONFIG_SND_DEBUG */ -- GitLab From faa09c932c5e1daf5fa40a0ff3d895ad57c5a61d Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Mon, 11 Aug 2008 02:09:04 +0400 Subject: [PATCH 0323/6244] ALSA: ice1724/revo: simple clean up ice1724/revo: simple clean up Signed-off-by: Alexander Beregalov Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ice1712/revo.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c index 4d2631434dc8..5e1b156bfaa7 100644 --- a/sound/pci/ice1712/revo.c +++ b/sound/pci/ice1712/revo.c @@ -524,16 +524,20 @@ static int __devinit revo_init(struct snd_ice1712 *ice) ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL); if (! ak) return -ENOMEM; - ice->akm_codecs = 2; switch (ice->eeprom.subvendor) { case VT1724_SUBDEVICE_REVOLUTION71: ice->akm_codecs = 2; - if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0) + err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, + &akm_revo_front_priv, ice); + if (err < 0) return err; - if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0) + err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround, + &akm_revo_surround_priv, ice); + if (err < 0) return err; /* unmute all codecs */ - snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE); + snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, + VT1724_REVO_MUTE); break; case VT1724_SUBDEVICE_REVOLUTION51: ice->akm_codecs = 2; -- GitLab From 6e8d90cd3418f18f3913c8ae558eee1ba21e4d6c Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Mon, 11 Aug 2008 02:52:42 +0400 Subject: [PATCH 0324/6244] ALSA: sound/pci/Kconfig: update for ice1712/24 sound/pci/Kconfig: update for ice1712/24 Signed-off-by: Alexander Beregalov Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/Kconfig | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index db9e31fd0612..4a7ebbc96762 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -657,8 +657,9 @@ config SND_ICE1712 Currently supported hardware is: M-Audio Delta 1010(LT), DiO 2496, 66, 44, 410, Audiophile 24/96; Digigram VX442; - TerraTec EWX 24/96, EWS 88MT, 88D, DMX 6Fire, Phase 88; - Hoontech SoundTrack DSP 24/Value/Media7.1; Event EZ8. + TerraTec EWX 24/96, EWS 88MT/D, DMX 6Fire, Phase 88; + Hoontech SoundTrack DSP 24/Value/Media7.1; Event EZ8; + Lionstracs Mediastation, Terrasoniq TS 88. To compile this driver as a module, choose M here: the module will be called snd-ice1712. @@ -673,9 +674,12 @@ config SND_ICE1724 ICE/VT1724/1720 (Envy24HT/PT) chips. Currently supported hardware is: AMP AUDIO2000; M-Audio - Revolution 7.1; TerraTec Aureon 5.1 Sky, 7.1 Space/Universe; - AudioTrak Prodigy 7.1; Pontis MS300; Albatron K8X800 Pro II; - Chaintech ZNF3-150/250. + Revolution 5.1, 7.1, Audiophile 192; TerraTec Aureon 5.1 Sky, + 7.1 Space/Universe, Phase 22/28; Onkyo SE-90PCI, SE-200PCI; + AudioTrak Prodigy 192, 7.1 (HIFI/LT/XT), HD2; Hercules + Fortissimo IV; ESI Juli@; Pontis MS300; EGO-SYS WaveTerminal + 192M; Albatron K8X800 Pro II; Chaintech ZNF3-150/250, 9CJS, + AV-710; Shuttle SN25P. To compile this driver as a module, choose M here: the module will be called snd-ice1724. -- GitLab From 963f803fb1bbce87f6049c22c737ae379e1047d3 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 11 Aug 2008 10:04:40 +0200 Subject: [PATCH 0325/6244] ALSA: hda - Don't reset SPDIF in each status change The SPDIF output is toggled at each time any SPDIF status bits are changed because of the known problems on some codecs. But, this also results in loosing the sync, and the problem is more obvious on HDMI output over SPDIF. Since the toggle is necessary only for some codecs, we should check whether this workaround is needed and skip if unnecessary. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 4 ++-- sound/pci/hda/hda_codec.h | 5 +++++ sound/pci/hda/patch_realtek.c | 2 ++ 3 files changed, 9 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 77fbcd4a69b7..529bd5f6521f 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2590,12 +2590,12 @@ static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, unsigned int stream_tag, unsigned int format) { /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ - if (codec->spdif_ctls & AC_DIG1_ENABLE) + if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); /* turn on again (if needed) */ - if (codec->spdif_ctls & AC_DIG1_ENABLE) + if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, codec->spdif_ctls & 0xff); } diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 2f112626f244..aeee58161537 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -654,6 +654,11 @@ struct hda_codec { struct snd_hwdep *hwdep; /* assigned hwdep device */ + /* misc flags */ + unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each + * status change + * (e.g. Realtek codecs) + */ #ifdef CONFIG_SND_HDA_POWER_SAVE unsigned int power_on :1; /* current (global) power-state */ unsigned int power_transition :1; /* power-state in transition */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 7e5422f64caf..8bff732958e0 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2670,6 +2670,8 @@ static int alc_build_pcms(struct hda_codec *codec) info->stream[SNDRV_PCM_STREAM_CAPTURE] = *(spec->stream_digital_capture); info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in_nid; } + /* FIXME: do we need this for all Realtek codec models? */ + codec->spdif_status_reset = 1; } /* If the use of more than one ADC is requested for the current -- GitLab From db3da6c135c6f5fffed7cca53381b52f2f2d7b53 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 11 Aug 2008 18:08:54 +0200 Subject: [PATCH 0326/6244] ALSA: hda - initialize node 0x21 properly on AD1988 codecs The widget node 0x21 should be initialized as unmuted/full (0dB) as default. This will reduce additional manual work by user at the first time use. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_analog.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index e8003d99f0bf..b6d64cc0787e 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -2207,6 +2207,8 @@ static struct hda_verb ad1988_6stack_init_verbs[] = { {0x34, AC_VERB_SET_CONNECT_SEL, 0x0}, /* Analog CD Input */ {0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN}, + /* Analog Mix output amp */ + {0x21, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE | 0x1f}, /* 0dB */ { } }; @@ -2336,6 +2338,8 @@ static struct hda_verb ad1988_3stack_init_verbs[] = { {0x08, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, {0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + /* Analog Mix output amp */ + {0x21, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE | 0x1f}, /* 0dB */ { } }; @@ -2409,6 +2413,8 @@ static struct hda_verb ad1988_laptop_init_verbs[] = { {0x08, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, {0x09, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, {0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE}, + /* Analog Mix output amp */ + {0x21, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE | 0x1f}, /* 0dB */ { } }; -- GitLab From a2854dc5f0e1145a38e10c67064a776d84e56f5d Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Wed, 13 Aug 2008 12:36:21 +0400 Subject: [PATCH 0327/6244] ALSA: sound/pci: supported cards update sound/pci: supported cards update Signed-off-by: Alexander Beregalov Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/ice1712/delta.h | 1 + sound/pci/intel8x0.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/sound/pci/ice1712/delta.h b/sound/pci/ice1712/delta.h index ea7116c304c0..f7f14df81f26 100644 --- a/sound/pci/ice1712/delta.h +++ b/sound/pci/ice1712/delta.h @@ -31,6 +31,7 @@ "{MidiMan M Audio,Delta DiO 2496},"\ "{MidiMan M Audio,Delta 66},"\ "{MidiMan M Audio,Delta 44},"\ + "{MidiMan M Audio,Delta 410},"\ "{MidiMan M Audio,Audiophile 24/96},"\ "{Digigram,VX442},"\ "{Lionstracs,Mediastation}," diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 78760996632d..73ad58995366 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -59,6 +59,12 @@ MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH}," "{SiS,SI7012}," "{NVidia,nForce Audio}," "{NVidia,nForce2 Audio}," + "{NVidia,nForce3 Audio}," + "{NVidia,MCP04}," + "{NVidia,MCP501}," + "{NVidia,CK804}," + "{NVidia,CK8}," + "{NVidia,CK8S}," "{AMD,AMD768}," "{AMD,AMD8111}," "{ALI,M5455}}"); -- GitLab From 6ef109050da99952b59397840e9b50cd6611e92a Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Wed, 13 Aug 2008 00:10:55 +0400 Subject: [PATCH 0328/6244] ALSA: ALSA-Configuration.txt: supported cards update ALSA-Configuration.txt: supported cards update Signed-off-by: Alexander Beregalov Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- .../sound/alsa/ALSA-Configuration.txt | 26 ++++++++++++++----- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index b117e42a6166..dd083b2a5bd3 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -746,8 +746,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. Module snd-hda-intel -------------------- - Module for Intel HD Audio (ICH6, ICH6M, ESB2, ICH7, ICH8), - ATI SB450, SB600, RS600, + Module for Intel HD Audio (ICH6, ICH6M, ESB2, ICH7, ICH8, ICH9, ICH10, + PCH, SCH), + ATI SB450, SB600, R600, RS600, RS690, RS780, RV610, RV620, + RV630, RV635, RV670, RV770, VIA VT8251/VT8237A, SIS966, ULI M5461 @@ -1166,6 +1168,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. * Event Electronics, EZ8 * Digigram VX442 * Lionstracs, Mediastaton + * Terrasoniq TS 88 model - Use the given board model, one of the following: delta1010, dio2496, delta66, delta44, audiophile, delta410, @@ -1200,7 +1203,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. * TerraTec Phase 22 * TerraTec Phase 28 * AudioTrak Prodigy 7.1 - * AudioTrak Prodigy 7.1LT + * AudioTrak Prodigy 7.1 LT + * AudioTrak Prodigy 7.1 XT + * AudioTrak Prodigy 7.1 HIFI + * AudioTrak Prodigy 7.1 HD2 * AudioTrak Prodigy 192 * Pontis MS300 * Albatron K8X800 Pro II @@ -1211,12 +1217,16 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. * Shuttle SN25P * Onkyo SE-90PCI * Onkyo SE-200PCI + * ESI Juli@ + * Hercules Fortissimo IV + * EGO-SYS WaveTerminal 192M model - Use the given board model, one of the following: revo51, revo71, amp2000, prodigy71, prodigy71lt, - prodigy192, aureon51, aureon71, universe, ap192, - k8x800, phase22, phase28, ms300, av710, se200pci, - se90pci + prodigy71xt, prodigy71hifi, prodigyhd2, prodigy192, + juli, aureon51, aureon71, universe, ap192, k8x800, + phase22, phase28, ms300, av710, se200pci, se90pci, + fortissimo4, sn25p, WT192M This module supports multiple cards and autoprobe. @@ -1255,7 +1265,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. Module for AC'97 motherboards from Intel and compatibles. * Intel i810/810E, i815, i820, i830, i84x, MX440 - ICH5, ICH6, ICH7, ESB2 + ICH5, ICH6, ICH7, 6300ESB, ESB2 * SiS 7012 (SiS 735) * NVidia NForce, NForce2, NForce3, MCP04, CK804 CK8, CK8S, MCP501 @@ -1951,6 +1961,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. * CHIC True Sound 4Dwave * Shark Predator4D-PCI * Jaton SonicWave 4D + * SiS SI7018 PCI Audio + * Hoontech SoundTrack Digital 4DWave NX pcm_channels - max channels (voices) reserved for PCM wavetable_size - max wavetable size in kB (4-?kb) -- GitLab From 26d809af6397ce5c37f5c44d89734d19cce1ad25 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 13 Aug 2008 12:46:26 +0200 Subject: [PATCH 0329/6244] x86: fix xsave build error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix this build failure with certain glibc versions: In file included from /usr/include/bits/sigcontext.h:28, from /usr/include/signal.h:333, from Documentation/accounting/getdelays.c:24: /home/mingo/tip/usr/include/asm/sigcontext.h:191: error: expected specifier-qualifier-list before ‘u64’ Signed-off-by: Ingo Molnar --- include/asm-x86/sigcontext.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h index 899fe2f8abb9..ee813f4fe5d5 100644 --- a/include/asm-x86/sigcontext.h +++ b/include/asm-x86/sigcontext.h @@ -264,9 +264,9 @@ struct sigcontext { #endif /* !__i386__ */ struct _xsave_hdr { - u64 xstate_bv; - u64 reserved1[2]; - u64 reserved2[5]; + __u64 xstate_bv; + __u64 reserved1[2]; + __u64 reserved2[5]; }; /* -- GitLab From 34a1b9fc4995102ecbb3a980b348aebf168d8196 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 12 Aug 2008 13:25:44 +0100 Subject: [PATCH 0330/6244] Fix date output in x86 microcode driver. The microcode stores its date in a uint32_t in some weird order approximating pdp-endian. Rather than printing it like that, print it properly in ISO standard form. Signed-off-by: David Woodhouse Cc: Shaohua Li Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode_intel.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/microcode_intel.c b/arch/x86/kernel/microcode_intel.c index a61986e8b691..d2d9d74f4cbb 100644 --- a/arch/x86/kernel/microcode_intel.c +++ b/arch/x86/kernel/microcode_intel.c @@ -339,8 +339,11 @@ static void apply_microcode(int cpu) return; } printk(KERN_INFO "microcode: CPU%d updated from revision " - "0x%x to 0x%x, date = %08x \n", - cpu_num, uci->rev, val[1], uci->mc.mc_intel->hdr.date); + "0x%x to 0x%x, date = %04x-%02x-%02x \n", + cpu_num, uci->rev, val[1], + uci->mc.mc_intel->hdr.date & 0xffff, + uci->mc.mc_intel->hdr.date >> 24, + (uci->mc.mc_intel->hdr.date >> 16) & 0xff); uci->rev = val[1]; } -- GitLab From ba443687f2eb70d23e0466d4b7c0c3366b5cb5fb Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Wed, 13 Aug 2008 20:55:32 +0200 Subject: [PATCH 0331/6244] ALSA: hda - put all HDA codec IDs to components for precise hw detection Export HDA codec subvendor ID and revision ID to user space via the components variable. Our alsactl utility requires these values for the perfect hardware identification. Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 529bd5f6521f..4f3291150809 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -588,7 +588,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, struct hda_codec **codecp) { struct hda_codec *codec; - char component[13]; + char component[31]; int err; if (snd_BUG_ON(!bus)) @@ -693,7 +693,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, snd_hda_create_hwdep(codec); #endif - sprintf(component, "HDA:%08x", codec->vendor_id); + sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id); snd_component_add(codec->bus->card, component); if (codecp) -- GitLab From ee2b92a8201a40021ecd1aee6f0625dc03bacc54 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 13 Aug 2008 11:38:13 -0700 Subject: [PATCH 0332/6244] x86, xsave: remove the redundant access_ok() in setup_rt_frame() save_i387_xstate() is already doing the required access_ok(). Remove the redundant access_ok() before it. Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/signal_64.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 2621b98f5bf6..6c581698ab56 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -208,9 +208,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, frame = (void __user *)round_down( (unsigned long)fp - sizeof(struct rt_sigframe), 16) - 8; - if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) - goto give_sigsegv; - if (save_i387_xstate(fp) < 0) err |= -1; } else -- GitLab From ed405958057ca6a8c4c9178a7a3b1167fabb45f5 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 13 Aug 2008 11:38:14 -0700 Subject: [PATCH 0333/6244] x86, xsave: clear the user buffer before doing fxsave/xsave fxsave/xsave instructions will not touch all the bytes in the fxsave/xsave frame. Clear the user buffer before doing fxsave/xsave directly to user buffer during the sigcontext setup. This is essentially needed in the context of xsave(for example, some of the fields in the xsave header are not touched by the xsave and defined as must be zero). This will also present uniform and clean context to the user (from which user can safely do fxrstor/xrstor). Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/xsave.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 7415f3e38a51..bb097b1644d8 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -92,6 +92,12 @@ int save_i387_xstate(void __user *buf) return 0; clear_used_math(); /* trigger finit */ if (task_thread_info(tsk)->status & TS_USEDFPU) { + /* + * Start with clearing the user buffer. This will present a + * clean context for the bytes not touched by the fxsave/xsave. + */ + __clear_user(buf, sig_xstate_size); + if (task_thread_info(tsk)->status & TS_XSAVE) err = xsave_user(buf); else -- GitLab From f65bc214e042916135256620f900e9599d65e0cb Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 13 Aug 2008 11:38:15 -0700 Subject: [PATCH 0334/6244] x86, xsave: use BUG_ON() instead of BUILD_BUG_ON() All these structure sizes are runtime determined. So use a runtime bug check. Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/xsave.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index bb097b1644d8..07713d64debe 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -82,8 +82,7 @@ int save_i387_xstate(void __user *buf) if (!access_ok(VERIFY_WRITE, buf, sig_xstate_size)) return -EACCES; - BUILD_BUG_ON(sizeof(struct user_i387_struct) != - sizeof(tsk->thread.xstate->fxsave)); + BUG_ON(sig_xstate_size < xstate_size); if ((unsigned long)buf % 64) printk("save_i387_xstate: bad fpstate %p\n", buf); -- GitLab From bde86fec7c822b6009d3cfefc20b76b8d34716af Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 14 Aug 2008 11:57:45 +0300 Subject: [PATCH 0335/6244] [JFFS2] Correct symlink name too long error code Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- fs/jffs2/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index cd219ef55254..b1aaae823a52 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -311,7 +311,7 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char /* FIXME: If you care. We'd need to use frags for the target if it grows much more than this */ if (targetlen > 254) - return -EINVAL; + return -ENAMETOOLONG; ri = jffs2_alloc_raw_inode(); -- GitLab From dbc74c65b3fd841985935f676388c82d6b85c485 Mon Sep 17 00:00:00 2001 From: Vesa-Matti Kari Date: Thu, 7 Aug 2008 03:18:20 +0300 Subject: [PATCH 0336/6244] selinux: Unify for- and while-loop style Replace "thing != NULL" comparisons with just "thing" to make the code look more uniform (mixed styles were used even in the same source file). Signed-off-by: Vesa-Matti Kari Acked-by: Stephen Smalley Signed-off-by: James Morris --- security/selinux/ss/avtab.c | 2 +- security/selinux/ss/conditional.c | 16 ++++++++-------- security/selinux/ss/ebitmap.c | 4 ++-- security/selinux/ss/hashtab.c | 6 +++--- security/selinux/ss/services.c | 8 ++++---- security/selinux/ss/sidtab.c | 12 ++++++------ 6 files changed, 24 insertions(+), 24 deletions(-) diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c index e8ae812d6af7..1215b8e47dba 100644 --- a/security/selinux/ss/avtab.c +++ b/security/selinux/ss/avtab.c @@ -229,7 +229,7 @@ void avtab_destroy(struct avtab *h) for (i = 0; i < h->nslot; i++) { cur = h->htable[i]; - while (cur != NULL) { + while (cur) { temp = cur; cur = cur->next; kmem_cache_free(avtab_node_cachep, temp); diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index f8c850a56ed1..4a4e35cac22b 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -29,7 +29,7 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr) int s[COND_EXPR_MAXDEPTH]; int sp = -1; - for (cur = expr; cur != NULL; cur = cur->next) { + for (cur = expr; cur; cur = cur->next) { switch (cur->expr_type) { case COND_BOOL: if (sp == (COND_EXPR_MAXDEPTH - 1)) @@ -97,14 +97,14 @@ int evaluate_cond_node(struct policydb *p, struct cond_node *node) if (new_state == -1) printk(KERN_ERR "SELinux: expression result was undefined - disabling all rules.\n"); /* turn the rules on or off */ - for (cur = node->true_list; cur != NULL; cur = cur->next) { + for (cur = node->true_list; cur; cur = cur->next) { if (new_state <= 0) cur->node->key.specified &= ~AVTAB_ENABLED; else cur->node->key.specified |= AVTAB_ENABLED; } - for (cur = node->false_list; cur != NULL; cur = cur->next) { + for (cur = node->false_list; cur; cur = cur->next) { /* -1 or 1 */ if (new_state) cur->node->key.specified &= ~AVTAB_ENABLED; @@ -128,7 +128,7 @@ int cond_policydb_init(struct policydb *p) static void cond_av_list_destroy(struct cond_av_list *list) { struct cond_av_list *cur, *next; - for (cur = list; cur != NULL; cur = next) { + for (cur = list; cur; cur = next) { next = cur->next; /* the avtab_ptr_t node is destroy by the avtab */ kfree(cur); @@ -139,7 +139,7 @@ static void cond_node_destroy(struct cond_node *node) { struct cond_expr *cur_expr, *next_expr; - for (cur_expr = node->expr; cur_expr != NULL; cur_expr = next_expr) { + for (cur_expr = node->expr; cur_expr; cur_expr = next_expr) { next_expr = cur_expr->next; kfree(cur_expr); } @@ -155,7 +155,7 @@ static void cond_list_destroy(struct cond_node *list) if (list == NULL) return; - for (cur = list; cur != NULL; cur = next) { + for (cur = list; cur; cur = next) { next = cur->next; cond_node_destroy(cur); } @@ -291,7 +291,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum goto err; } found = 0; - for (cur = other; cur != NULL; cur = cur->next) { + for (cur = other; cur; cur = cur->next) { if (cur->node == node_ptr) { found = 1; break; @@ -485,7 +485,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key, struct av_decisi if (!ctab || !key || !avd) return; - for (node = avtab_search_node(ctab, key); node != NULL; + for (node = avtab_search_node(ctab, key); node; node = avtab_search_node_next(node, key->specified)) { if ((u16)(AVTAB_ALLOWED|AVTAB_ENABLED) == (node->key.specified & (AVTAB_ALLOWED|AVTAB_ENABLED))) diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c index ddc275490af8..68c7348d1acc 100644 --- a/security/selinux/ss/ebitmap.c +++ b/security/selinux/ss/ebitmap.c @@ -109,7 +109,7 @@ int ebitmap_netlbl_export(struct ebitmap *ebmap, *catmap = c_iter; c_iter->startbit = e_iter->startbit & ~(NETLBL_CATMAP_SIZE - 1); - while (e_iter != NULL) { + while (e_iter) { for (i = 0; i < EBITMAP_UNIT_NUMS; i++) { unsigned int delta, e_startbit, c_endbit; @@ -197,7 +197,7 @@ int ebitmap_netlbl_import(struct ebitmap *ebmap, } } c_iter = c_iter->next; - } while (c_iter != NULL); + } while (c_iter); if (e_iter != NULL) ebmap->highbit = e_iter->startbit + EBITMAP_SIZE; else diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c index 2e7788e13213..933e735bb185 100644 --- a/security/selinux/ss/hashtab.c +++ b/security/selinux/ss/hashtab.c @@ -81,7 +81,7 @@ void *hashtab_search(struct hashtab *h, const void *key) hvalue = h->hash_value(h, key); cur = h->htable[hvalue]; - while (cur != NULL && h->keycmp(h, key, cur->key) > 0) + while (cur && h->keycmp(h, key, cur->key) > 0) cur = cur->next; if (cur == NULL || (h->keycmp(h, key, cur->key) != 0)) @@ -100,7 +100,7 @@ void hashtab_destroy(struct hashtab *h) for (i = 0; i < h->size; i++) { cur = h->htable[i]; - while (cur != NULL) { + while (cur) { temp = cur; cur = cur->next; kfree(temp); @@ -127,7 +127,7 @@ int hashtab_map(struct hashtab *h, for (i = 0; i < h->size; i++) { cur = h->htable[i]; - while (cur != NULL) { + while (cur) { ret = apply(cur->key, cur->datum, args); if (ret) return ret; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index b52f923ce680..5a0536bddc63 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -356,7 +356,7 @@ static int context_struct_compute_av(struct context *scontext, avkey.source_type = i + 1; avkey.target_type = j + 1; for (node = avtab_search_node(&policydb.te_avtab, &avkey); - node != NULL; + node; node = avtab_search_node_next(node, avkey.specified)) { if (node->key.specified == AVTAB_ALLOWED) avd->allowed |= node->datum.data; @@ -1037,7 +1037,7 @@ static int security_compute_sid(u32 ssid, /* If no permanent rule, also check for enabled conditional rules */ if (!avdatum) { node = avtab_search_node(&policydb.te_cond_avtab, &avkey); - for (; node != NULL; node = avtab_search_node_next(node, specified)) { + for (; node; node = avtab_search_node_next(node, specified)) { if (node->key.specified & AVTAB_ENABLED) { avdatum = &node->datum; break; @@ -2050,7 +2050,7 @@ int security_set_bools(int len, int *values) policydb.bool_val_to_struct[i]->state = 0; } - for (cur = policydb.cond_list; cur != NULL; cur = cur->next) { + for (cur = policydb.cond_list; cur; cur = cur->next) { rc = evaluate_cond_node(&policydb, cur); if (rc) goto out; @@ -2102,7 +2102,7 @@ static int security_preserve_bools(struct policydb *p) if (booldatum) booldatum->state = bvalues[i]; } - for (cur = p->cond_list; cur != NULL; cur = cur->next) { + for (cur = p->cond_list; cur; cur = cur->next) { rc = evaluate_cond_node(p, cur); if (rc) goto out; diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c index a81ded104129..e817989764cd 100644 --- a/security/selinux/ss/sidtab.c +++ b/security/selinux/ss/sidtab.c @@ -43,7 +43,7 @@ int sidtab_insert(struct sidtab *s, u32 sid, struct context *context) hvalue = SIDTAB_HASH(sid); prev = NULL; cur = s->htable[hvalue]; - while (cur != NULL && sid > cur->sid) { + while (cur && sid > cur->sid) { prev = cur; cur = cur->next; } @@ -92,7 +92,7 @@ static struct context *sidtab_search_core(struct sidtab *s, u32 sid, int force) hvalue = SIDTAB_HASH(sid); cur = s->htable[hvalue]; - while (cur != NULL && sid > cur->sid) + while (cur && sid > cur->sid) cur = cur->next; if (force && cur && sid == cur->sid && cur->context.len) @@ -103,7 +103,7 @@ static struct context *sidtab_search_core(struct sidtab *s, u32 sid, int force) sid = SECINITSID_UNLABELED; hvalue = SIDTAB_HASH(sid); cur = s->htable[hvalue]; - while (cur != NULL && sid > cur->sid) + while (cur && sid > cur->sid) cur = cur->next; if (!cur || sid != cur->sid) return NULL; @@ -136,7 +136,7 @@ int sidtab_map(struct sidtab *s, for (i = 0; i < SIDTAB_SIZE; i++) { cur = s->htable[i]; - while (cur != NULL) { + while (cur) { rc = apply(cur->sid, &cur->context, args); if (rc) goto out; @@ -155,7 +155,7 @@ static inline u32 sidtab_search_context(struct sidtab *s, for (i = 0; i < SIDTAB_SIZE; i++) { cur = s->htable[i]; - while (cur != NULL) { + while (cur) { if (context_cmp(&cur->context, context)) return cur->sid; cur = cur->next; @@ -242,7 +242,7 @@ void sidtab_destroy(struct sidtab *s) for (i = 0; i < SIDTAB_SIZE; i++) { cur = s->htable[i]; - while (cur != NULL) { + while (cur) { temp = cur; cur = cur->next; context_destroy(&temp->context); -- GitLab From c1bc667e844c2677cdf927102ab384fe7b033762 Mon Sep 17 00:00:00 2001 From: Julius Volz Date: Thu, 7 Aug 2008 16:43:38 +0200 Subject: [PATCH 0337/6244] IPVS: Add genetlink interface definitions to ip_vs.h Add IPVS Generic Netlink interface definitions to include/linux/ip_vs.h. Signed-off-by: Julius Volz Signed-off-by: Simon Horman --- include/linux/ip_vs.h | 160 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) diff --git a/include/linux/ip_vs.h b/include/linux/ip_vs.h index ec6eb49af2d8..0f434a28fb58 100644 --- a/include/linux/ip_vs.h +++ b/include/linux/ip_vs.h @@ -242,4 +242,164 @@ struct ip_vs_daemon_user { int syncid; }; +/* + * + * IPVS Generic Netlink interface definitions + * + */ + +/* Generic Netlink family info */ + +#define IPVS_GENL_NAME "IPVS" +#define IPVS_GENL_VERSION 0x1 + +struct ip_vs_flags { + __be32 flags; + __be32 mask; +}; + +/* Generic Netlink command attributes */ +enum { + IPVS_CMD_UNSPEC = 0, + + IPVS_CMD_NEW_SERVICE, /* add service */ + IPVS_CMD_SET_SERVICE, /* modify service */ + IPVS_CMD_DEL_SERVICE, /* delete service */ + IPVS_CMD_GET_SERVICE, /* get service info */ + + IPVS_CMD_NEW_DEST, /* add destination */ + IPVS_CMD_SET_DEST, /* modify destination */ + IPVS_CMD_DEL_DEST, /* delete destination */ + IPVS_CMD_GET_DEST, /* get destination info */ + + IPVS_CMD_NEW_DAEMON, /* start sync daemon */ + IPVS_CMD_DEL_DAEMON, /* stop sync daemon */ + IPVS_CMD_GET_DAEMON, /* get sync daemon status */ + + IPVS_CMD_SET_CONFIG, /* set config settings */ + IPVS_CMD_GET_CONFIG, /* get config settings */ + + IPVS_CMD_SET_INFO, /* only used in GET_INFO reply */ + IPVS_CMD_GET_INFO, /* get general IPVS info */ + + IPVS_CMD_ZERO, /* zero all counters and stats */ + IPVS_CMD_FLUSH, /* flush services and dests */ + + __IPVS_CMD_MAX, +}; + +#define IPVS_CMD_MAX (__IPVS_CMD_MAX - 1) + +/* Attributes used in the first level of commands */ +enum { + IPVS_CMD_ATTR_UNSPEC = 0, + IPVS_CMD_ATTR_SERVICE, /* nested service attribute */ + IPVS_CMD_ATTR_DEST, /* nested destination attribute */ + IPVS_CMD_ATTR_DAEMON, /* nested sync daemon attribute */ + IPVS_CMD_ATTR_TIMEOUT_TCP, /* TCP connection timeout */ + IPVS_CMD_ATTR_TIMEOUT_TCP_FIN, /* TCP FIN wait timeout */ + IPVS_CMD_ATTR_TIMEOUT_UDP, /* UDP timeout */ + __IPVS_CMD_ATTR_MAX, +}; + +#define IPVS_CMD_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1) + +/* + * Attributes used to describe a service + * + * Used inside nested attribute IPVS_CMD_ATTR_SERVICE + */ +enum { + IPVS_SVC_ATTR_UNSPEC = 0, + IPVS_SVC_ATTR_AF, /* address family */ + IPVS_SVC_ATTR_PROTOCOL, /* virtual service protocol */ + IPVS_SVC_ATTR_ADDR, /* virtual service address */ + IPVS_SVC_ATTR_PORT, /* virtual service port */ + IPVS_SVC_ATTR_FWMARK, /* firewall mark of service */ + + IPVS_SVC_ATTR_SCHED_NAME, /* name of scheduler */ + IPVS_SVC_ATTR_FLAGS, /* virtual service flags */ + IPVS_SVC_ATTR_TIMEOUT, /* persistent timeout */ + IPVS_SVC_ATTR_NETMASK, /* persistent netmask */ + + IPVS_SVC_ATTR_STATS, /* nested attribute for service stats */ + __IPVS_SVC_ATTR_MAX, +}; + +#define IPVS_SVC_ATTR_MAX (__IPVS_SVC_ATTR_MAX - 1) + +/* + * Attributes used to describe a destination (real server) + * + * Used inside nested attribute IPVS_CMD_ATTR_DEST + */ +enum { + IPVS_DEST_ATTR_UNSPEC = 0, + IPVS_DEST_ATTR_ADDR, /* real server address */ + IPVS_DEST_ATTR_PORT, /* real server port */ + + IPVS_DEST_ATTR_FWD_METHOD, /* forwarding method */ + IPVS_DEST_ATTR_WEIGHT, /* destination weight */ + + IPVS_DEST_ATTR_U_THRESH, /* upper threshold */ + IPVS_DEST_ATTR_L_THRESH, /* lower threshold */ + + IPVS_DEST_ATTR_ACTIVE_CONNS, /* active connections */ + IPVS_DEST_ATTR_INACT_CONNS, /* inactive connections */ + IPVS_DEST_ATTR_PERSIST_CONNS, /* persistent connections */ + + IPVS_DEST_ATTR_STATS, /* nested attribute for dest stats */ + __IPVS_DEST_ATTR_MAX, +}; + +#define IPVS_DEST_ATTR_MAX (__IPVS_DEST_ATTR_MAX - 1) + +/* + * Attributes describing a sync daemon + * + * Used inside nested attribute IPVS_CMD_ATTR_DAEMON + */ +enum { + IPVS_DAEMON_ATTR_UNSPEC = 0, + IPVS_DAEMON_ATTR_STATE, /* sync daemon state (master/backup) */ + IPVS_DAEMON_ATTR_MCAST_IFN, /* multicast interface name */ + IPVS_DAEMON_ATTR_SYNC_ID, /* SyncID we belong to */ + __IPVS_DAEMON_ATTR_MAX, +}; + +#define IPVS_DAEMON_ATTR_MAX (__IPVS_DAEMON_ATTR_MAX - 1) + +/* + * Attributes used to describe service or destination entry statistics + * + * Used inside nested attributes IPVS_SVC_ATTR_STATS and IPVS_DEST_ATTR_STATS + */ +enum { + IPVS_STATS_ATTR_UNSPEC = 0, + IPVS_STATS_ATTR_CONNS, /* connections scheduled */ + IPVS_STATS_ATTR_INPKTS, /* incoming packets */ + IPVS_STATS_ATTR_OUTPKTS, /* outgoing packets */ + IPVS_STATS_ATTR_INBYTES, /* incoming bytes */ + IPVS_STATS_ATTR_OUTBYTES, /* outgoing bytes */ + + IPVS_STATS_ATTR_CPS, /* current connection rate */ + IPVS_STATS_ATTR_INPPS, /* current in packet rate */ + IPVS_STATS_ATTR_OUTPPS, /* current out packet rate */ + IPVS_STATS_ATTR_INBPS, /* current in byte rate */ + IPVS_STATS_ATTR_OUTBPS, /* current out byte rate */ + __IPVS_STATS_ATTR_MAX, +}; + +#define IPVS_STATS_ATTR_MAX (__IPVS_STATS_ATTR_MAX - 1) + +/* Attributes used in response to IPVS_CMD_GET_INFO command */ +enum { + IPVS_INFO_ATTR_UNSPEC = 0, + IPVS_INFO_ATTR_VERSION, /* IPVS version number */ + IPVS_INFO_ATTR_CONN_TAB_SIZE, /* size of connection hash table */ + __IPVS_INFO_ATTR_MAX, +}; + +#define IPVS_INFO_ATTR_MAX (__IPVS_INFO_ATTR_MAX - 1) + #endif /* _IP_VS_H */ -- GitLab From 9a812198ae49967f239789164c55ec3e72b7e0dd Mon Sep 17 00:00:00 2001 From: Julius Volz Date: Thu, 14 Aug 2008 14:08:44 +0200 Subject: [PATCH 0338/6244] IPVS: Add genetlink interface implementation Add the implementation of the new Generic Netlink interface to IPVS and keep the old set/getsockopt interface for userspace backwards compatibility. Signed-off-by: Julius Volz Acked-by: Sven Wegener Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_ctl.c | 875 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 875 insertions(+) diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c index 6379705a8dcb..d1dbd8b311b7 100644 --- a/net/ipv4/ipvs/ip_vs_ctl.c +++ b/net/ipv4/ipvs/ip_vs_ctl.c @@ -37,6 +37,7 @@ #include #include #include +#include #include @@ -2320,6 +2321,872 @@ static struct nf_sockopt_ops ip_vs_sockopts = { .owner = THIS_MODULE, }; +/* + * Generic Netlink interface + */ + +/* IPVS genetlink family */ +static struct genl_family ip_vs_genl_family = { + .id = GENL_ID_GENERATE, + .hdrsize = 0, + .name = IPVS_GENL_NAME, + .version = IPVS_GENL_VERSION, + .maxattr = IPVS_CMD_MAX, +}; + +/* Policy used for first-level command attributes */ +static const struct nla_policy ip_vs_cmd_policy[IPVS_CMD_ATTR_MAX + 1] = { + [IPVS_CMD_ATTR_SERVICE] = { .type = NLA_NESTED }, + [IPVS_CMD_ATTR_DEST] = { .type = NLA_NESTED }, + [IPVS_CMD_ATTR_DAEMON] = { .type = NLA_NESTED }, + [IPVS_CMD_ATTR_TIMEOUT_TCP] = { .type = NLA_U32 }, + [IPVS_CMD_ATTR_TIMEOUT_TCP_FIN] = { .type = NLA_U32 }, + [IPVS_CMD_ATTR_TIMEOUT_UDP] = { .type = NLA_U32 }, +}; + +/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_DAEMON */ +static const struct nla_policy ip_vs_daemon_policy[IPVS_DAEMON_ATTR_MAX + 1] = { + [IPVS_DAEMON_ATTR_STATE] = { .type = NLA_U32 }, + [IPVS_DAEMON_ATTR_MCAST_IFN] = { .type = NLA_NUL_STRING, + .len = IP_VS_IFNAME_MAXLEN }, + [IPVS_DAEMON_ATTR_SYNC_ID] = { .type = NLA_U32 }, +}; + +/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_SERVICE */ +static const struct nla_policy ip_vs_svc_policy[IPVS_SVC_ATTR_MAX + 1] = { + [IPVS_SVC_ATTR_AF] = { .type = NLA_U16 }, + [IPVS_SVC_ATTR_PROTOCOL] = { .type = NLA_U16 }, + [IPVS_SVC_ATTR_ADDR] = { .type = NLA_BINARY, + .len = sizeof(union nf_inet_addr) }, + [IPVS_SVC_ATTR_PORT] = { .type = NLA_U16 }, + [IPVS_SVC_ATTR_FWMARK] = { .type = NLA_U32 }, + [IPVS_SVC_ATTR_SCHED_NAME] = { .type = NLA_NUL_STRING, + .len = IP_VS_SCHEDNAME_MAXLEN }, + [IPVS_SVC_ATTR_FLAGS] = { .type = NLA_BINARY, + .len = sizeof(struct ip_vs_flags) }, + [IPVS_SVC_ATTR_TIMEOUT] = { .type = NLA_U32 }, + [IPVS_SVC_ATTR_NETMASK] = { .type = NLA_U32 }, + [IPVS_SVC_ATTR_STATS] = { .type = NLA_NESTED }, +}; + +/* Policy used for attributes in nested attribute IPVS_CMD_ATTR_DEST */ +static const struct nla_policy ip_vs_dest_policy[IPVS_DEST_ATTR_MAX + 1] = { + [IPVS_DEST_ATTR_ADDR] = { .type = NLA_BINARY, + .len = sizeof(union nf_inet_addr) }, + [IPVS_DEST_ATTR_PORT] = { .type = NLA_U16 }, + [IPVS_DEST_ATTR_FWD_METHOD] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_WEIGHT] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_U_THRESH] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_L_THRESH] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_ACTIVE_CONNS] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_INACT_CONNS] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_PERSIST_CONNS] = { .type = NLA_U32 }, + [IPVS_DEST_ATTR_STATS] = { .type = NLA_NESTED }, +}; + +static int ip_vs_genl_fill_stats(struct sk_buff *skb, int container_type, + struct ip_vs_stats *stats) +{ + struct nlattr *nl_stats = nla_nest_start(skb, container_type); + if (!nl_stats) + return -EMSGSIZE; + + spin_lock_bh(&stats->lock); + + NLA_PUT_U32(skb, IPVS_STATS_ATTR_CONNS, stats->conns); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_INPKTS, stats->inpkts); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTPKTS, stats->outpkts); + NLA_PUT_U64(skb, IPVS_STATS_ATTR_INBYTES, stats->inbytes); + NLA_PUT_U64(skb, IPVS_STATS_ATTR_OUTBYTES, stats->outbytes); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_CPS, stats->cps); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_INPPS, stats->inpps); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTPPS, stats->outpps); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_INBPS, stats->inbps); + NLA_PUT_U32(skb, IPVS_STATS_ATTR_OUTBPS, stats->outbps); + + spin_unlock_bh(&stats->lock); + + nla_nest_end(skb, nl_stats); + + return 0; + +nla_put_failure: + spin_unlock_bh(&stats->lock); + nla_nest_cancel(skb, nl_stats); + return -EMSGSIZE; +} + +static int ip_vs_genl_fill_service(struct sk_buff *skb, + struct ip_vs_service *svc) +{ + struct nlattr *nl_service; + struct ip_vs_flags flags = { .flags = svc->flags, + .mask = ~0 }; + + nl_service = nla_nest_start(skb, IPVS_CMD_ATTR_SERVICE); + if (!nl_service) + return -EMSGSIZE; + + NLA_PUT_U16(skb, IPVS_SVC_ATTR_AF, AF_INET); + + if (svc->fwmark) { + NLA_PUT_U32(skb, IPVS_SVC_ATTR_FWMARK, svc->fwmark); + } else { + NLA_PUT_U16(skb, IPVS_SVC_ATTR_PROTOCOL, svc->protocol); + NLA_PUT(skb, IPVS_SVC_ATTR_ADDR, sizeof(svc->addr), &svc->addr); + NLA_PUT_U16(skb, IPVS_SVC_ATTR_PORT, svc->port); + } + + NLA_PUT_STRING(skb, IPVS_SVC_ATTR_SCHED_NAME, svc->scheduler->name); + NLA_PUT(skb, IPVS_SVC_ATTR_FLAGS, sizeof(flags), &flags); + NLA_PUT_U32(skb, IPVS_SVC_ATTR_TIMEOUT, svc->timeout / HZ); + NLA_PUT_U32(skb, IPVS_SVC_ATTR_NETMASK, svc->netmask); + + if (ip_vs_genl_fill_stats(skb, IPVS_SVC_ATTR_STATS, &svc->stats)) + goto nla_put_failure; + + nla_nest_end(skb, nl_service); + + return 0; + +nla_put_failure: + nla_nest_cancel(skb, nl_service); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_service(struct sk_buff *skb, + struct ip_vs_service *svc, + struct netlink_callback *cb) +{ + void *hdr; + + hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, + &ip_vs_genl_family, NLM_F_MULTI, + IPVS_CMD_NEW_SERVICE); + if (!hdr) + return -EMSGSIZE; + + if (ip_vs_genl_fill_service(skb, svc) < 0) + goto nla_put_failure; + + return genlmsg_end(skb, hdr); + +nla_put_failure: + genlmsg_cancel(skb, hdr); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_services(struct sk_buff *skb, + struct netlink_callback *cb) +{ + int idx = 0, i; + int start = cb->args[0]; + struct ip_vs_service *svc; + + mutex_lock(&__ip_vs_mutex); + for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) { + list_for_each_entry(svc, &ip_vs_svc_table[i], s_list) { + if (++idx <= start) + continue; + if (ip_vs_genl_dump_service(skb, svc, cb) < 0) { + idx--; + goto nla_put_failure; + } + } + } + + for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) { + list_for_each_entry(svc, &ip_vs_svc_fwm_table[i], f_list) { + if (++idx <= start) + continue; + if (ip_vs_genl_dump_service(skb, svc, cb) < 0) { + idx--; + goto nla_put_failure; + } + } + } + +nla_put_failure: + mutex_unlock(&__ip_vs_mutex); + cb->args[0] = idx; + + return skb->len; +} + +static int ip_vs_genl_parse_service(struct ip_vs_service_user *usvc, + struct nlattr *nla, int full_entry) +{ + struct nlattr *attrs[IPVS_SVC_ATTR_MAX + 1]; + struct nlattr *nla_af, *nla_port, *nla_fwmark, *nla_protocol, *nla_addr; + + /* Parse mandatory identifying service fields first */ + if (nla == NULL || + nla_parse_nested(attrs, IPVS_SVC_ATTR_MAX, nla, ip_vs_svc_policy)) + return -EINVAL; + + nla_af = attrs[IPVS_SVC_ATTR_AF]; + nla_protocol = attrs[IPVS_SVC_ATTR_PROTOCOL]; + nla_addr = attrs[IPVS_SVC_ATTR_ADDR]; + nla_port = attrs[IPVS_SVC_ATTR_PORT]; + nla_fwmark = attrs[IPVS_SVC_ATTR_FWMARK]; + + if (!(nla_af && (nla_fwmark || (nla_port && nla_protocol && nla_addr)))) + return -EINVAL; + + /* For now, only support IPv4 */ + if (nla_get_u16(nla_af) != AF_INET) + return -EAFNOSUPPORT; + + if (nla_fwmark) { + usvc->protocol = IPPROTO_TCP; + usvc->fwmark = nla_get_u32(nla_fwmark); + } else { + usvc->protocol = nla_get_u16(nla_protocol); + nla_memcpy(&usvc->addr, nla_addr, sizeof(usvc->addr)); + usvc->port = nla_get_u16(nla_port); + usvc->fwmark = 0; + } + + /* If a full entry was requested, check for the additional fields */ + if (full_entry) { + struct nlattr *nla_sched, *nla_flags, *nla_timeout, + *nla_netmask; + struct ip_vs_flags flags; + struct ip_vs_service *svc; + + nla_sched = attrs[IPVS_SVC_ATTR_SCHED_NAME]; + nla_flags = attrs[IPVS_SVC_ATTR_FLAGS]; + nla_timeout = attrs[IPVS_SVC_ATTR_TIMEOUT]; + nla_netmask = attrs[IPVS_SVC_ATTR_NETMASK]; + + if (!(nla_sched && nla_flags && nla_timeout && nla_netmask)) + return -EINVAL; + + nla_memcpy(&flags, nla_flags, sizeof(flags)); + + /* prefill flags from service if it already exists */ + if (usvc->fwmark) + svc = __ip_vs_svc_fwm_get(usvc->fwmark); + else + svc = __ip_vs_service_get(usvc->protocol, usvc->addr, + usvc->port); + if (svc) { + usvc->flags = svc->flags; + ip_vs_service_put(svc); + } else + usvc->flags = 0; + + /* set new flags from userland */ + usvc->flags = (usvc->flags & ~flags.mask) | + (flags.flags & flags.mask); + + strlcpy(usvc->sched_name, nla_data(nla_sched), + sizeof(usvc->sched_name)); + usvc->timeout = nla_get_u32(nla_timeout); + usvc->netmask = nla_get_u32(nla_netmask); + } + + return 0; +} + +static struct ip_vs_service *ip_vs_genl_find_service(struct nlattr *nla) +{ + struct ip_vs_service_user usvc; + int ret; + + ret = ip_vs_genl_parse_service(&usvc, nla, 0); + if (ret) + return ERR_PTR(ret); + + if (usvc.fwmark) + return __ip_vs_svc_fwm_get(usvc.fwmark); + else + return __ip_vs_service_get(usvc.protocol, usvc.addr, + usvc.port); +} + +static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest) +{ + struct nlattr *nl_dest; + + nl_dest = nla_nest_start(skb, IPVS_CMD_ATTR_DEST); + if (!nl_dest) + return -EMSGSIZE; + + NLA_PUT(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr); + NLA_PUT_U16(skb, IPVS_DEST_ATTR_PORT, dest->port); + + NLA_PUT_U32(skb, IPVS_DEST_ATTR_FWD_METHOD, + atomic_read(&dest->conn_flags) & IP_VS_CONN_F_FWD_MASK); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_WEIGHT, atomic_read(&dest->weight)); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_U_THRESH, dest->u_threshold); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_L_THRESH, dest->l_threshold); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_ACTIVE_CONNS, + atomic_read(&dest->activeconns)); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_INACT_CONNS, + atomic_read(&dest->inactconns)); + NLA_PUT_U32(skb, IPVS_DEST_ATTR_PERSIST_CONNS, + atomic_read(&dest->persistconns)); + + if (ip_vs_genl_fill_stats(skb, IPVS_DEST_ATTR_STATS, &dest->stats)) + goto nla_put_failure; + + nla_nest_end(skb, nl_dest); + + return 0; + +nla_put_failure: + nla_nest_cancel(skb, nl_dest); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_dest(struct sk_buff *skb, struct ip_vs_dest *dest, + struct netlink_callback *cb) +{ + void *hdr; + + hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, + &ip_vs_genl_family, NLM_F_MULTI, + IPVS_CMD_NEW_DEST); + if (!hdr) + return -EMSGSIZE; + + if (ip_vs_genl_fill_dest(skb, dest) < 0) + goto nla_put_failure; + + return genlmsg_end(skb, hdr); + +nla_put_failure: + genlmsg_cancel(skb, hdr); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_dests(struct sk_buff *skb, + struct netlink_callback *cb) +{ + int idx = 0; + int start = cb->args[0]; + struct ip_vs_service *svc; + struct ip_vs_dest *dest; + struct nlattr *attrs[IPVS_CMD_ATTR_MAX + 1]; + + mutex_lock(&__ip_vs_mutex); + + /* Try to find the service for which to dump destinations */ + if (nlmsg_parse(cb->nlh, GENL_HDRLEN, attrs, + IPVS_CMD_ATTR_MAX, ip_vs_cmd_policy)) + goto out_err; + + svc = ip_vs_genl_find_service(attrs[IPVS_CMD_ATTR_SERVICE]); + if (IS_ERR(svc) || svc == NULL) + goto out_err; + + /* Dump the destinations */ + list_for_each_entry(dest, &svc->destinations, n_list) { + if (++idx <= start) + continue; + if (ip_vs_genl_dump_dest(skb, dest, cb) < 0) { + idx--; + goto nla_put_failure; + } + } + +nla_put_failure: + cb->args[0] = idx; + ip_vs_service_put(svc); + +out_err: + mutex_unlock(&__ip_vs_mutex); + + return skb->len; +} + +static int ip_vs_genl_parse_dest(struct ip_vs_dest_user *udest, + struct nlattr *nla, int full_entry) +{ + struct nlattr *attrs[IPVS_DEST_ATTR_MAX + 1]; + struct nlattr *nla_addr, *nla_port; + + /* Parse mandatory identifying destination fields first */ + if (nla == NULL || + nla_parse_nested(attrs, IPVS_DEST_ATTR_MAX, nla, ip_vs_dest_policy)) + return -EINVAL; + + nla_addr = attrs[IPVS_DEST_ATTR_ADDR]; + nla_port = attrs[IPVS_DEST_ATTR_PORT]; + + if (!(nla_addr && nla_port)) + return -EINVAL; + + nla_memcpy(&udest->addr, nla_addr, sizeof(udest->addr)); + udest->port = nla_get_u16(nla_port); + + /* If a full entry was requested, check for the additional fields */ + if (full_entry) { + struct nlattr *nla_fwd, *nla_weight, *nla_u_thresh, + *nla_l_thresh; + + nla_fwd = attrs[IPVS_DEST_ATTR_FWD_METHOD]; + nla_weight = attrs[IPVS_DEST_ATTR_WEIGHT]; + nla_u_thresh = attrs[IPVS_DEST_ATTR_U_THRESH]; + nla_l_thresh = attrs[IPVS_DEST_ATTR_L_THRESH]; + + if (!(nla_fwd && nla_weight && nla_u_thresh && nla_l_thresh)) + return -EINVAL; + + udest->conn_flags = nla_get_u32(nla_fwd) + & IP_VS_CONN_F_FWD_MASK; + udest->weight = nla_get_u32(nla_weight); + udest->u_threshold = nla_get_u32(nla_u_thresh); + udest->l_threshold = nla_get_u32(nla_l_thresh); + } + + return 0; +} + +static int ip_vs_genl_fill_daemon(struct sk_buff *skb, __be32 state, + const char *mcast_ifn, __be32 syncid) +{ + struct nlattr *nl_daemon; + + nl_daemon = nla_nest_start(skb, IPVS_CMD_ATTR_DAEMON); + if (!nl_daemon) + return -EMSGSIZE; + + NLA_PUT_U32(skb, IPVS_DAEMON_ATTR_STATE, state); + NLA_PUT_STRING(skb, IPVS_DAEMON_ATTR_MCAST_IFN, mcast_ifn); + NLA_PUT_U32(skb, IPVS_DAEMON_ATTR_SYNC_ID, syncid); + + nla_nest_end(skb, nl_daemon); + + return 0; + +nla_put_failure: + nla_nest_cancel(skb, nl_daemon); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_daemon(struct sk_buff *skb, __be32 state, + const char *mcast_ifn, __be32 syncid, + struct netlink_callback *cb) +{ + void *hdr; + hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, + &ip_vs_genl_family, NLM_F_MULTI, + IPVS_CMD_NEW_DAEMON); + if (!hdr) + return -EMSGSIZE; + + if (ip_vs_genl_fill_daemon(skb, state, mcast_ifn, syncid)) + goto nla_put_failure; + + return genlmsg_end(skb, hdr); + +nla_put_failure: + genlmsg_cancel(skb, hdr); + return -EMSGSIZE; +} + +static int ip_vs_genl_dump_daemons(struct sk_buff *skb, + struct netlink_callback *cb) +{ + mutex_lock(&__ip_vs_mutex); + if ((ip_vs_sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) { + if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_MASTER, + ip_vs_master_mcast_ifn, + ip_vs_master_syncid, cb) < 0) + goto nla_put_failure; + + cb->args[0] = 1; + } + + if ((ip_vs_sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) { + if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_BACKUP, + ip_vs_backup_mcast_ifn, + ip_vs_backup_syncid, cb) < 0) + goto nla_put_failure; + + cb->args[1] = 1; + } + +nla_put_failure: + mutex_unlock(&__ip_vs_mutex); + + return skb->len; +} + +static int ip_vs_genl_new_daemon(struct nlattr **attrs) +{ + if (!(attrs[IPVS_DAEMON_ATTR_STATE] && + attrs[IPVS_DAEMON_ATTR_MCAST_IFN] && + attrs[IPVS_DAEMON_ATTR_SYNC_ID])) + return -EINVAL; + + return start_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]), + nla_data(attrs[IPVS_DAEMON_ATTR_MCAST_IFN]), + nla_get_u32(attrs[IPVS_DAEMON_ATTR_SYNC_ID])); +} + +static int ip_vs_genl_del_daemon(struct nlattr **attrs) +{ + if (!attrs[IPVS_DAEMON_ATTR_STATE]) + return -EINVAL; + + return stop_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE])); +} + +static int ip_vs_genl_set_config(struct nlattr **attrs) +{ + struct ip_vs_timeout_user t; + + __ip_vs_get_timeouts(&t); + + if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP]) + t.tcp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP]); + + if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP_FIN]) + t.tcp_fin_timeout = + nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP_FIN]); + + if (attrs[IPVS_CMD_ATTR_TIMEOUT_UDP]) + t.udp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_UDP]); + + return ip_vs_set_timeout(&t); +} + +static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info) +{ + struct ip_vs_service *svc = NULL; + struct ip_vs_service_user usvc; + struct ip_vs_dest_user udest; + int ret = 0, cmd; + int need_full_svc = 0, need_full_dest = 0; + + cmd = info->genlhdr->cmd; + + mutex_lock(&__ip_vs_mutex); + + if (cmd == IPVS_CMD_FLUSH) { + ret = ip_vs_flush(); + goto out; + } else if (cmd == IPVS_CMD_SET_CONFIG) { + ret = ip_vs_genl_set_config(info->attrs); + goto out; + } else if (cmd == IPVS_CMD_NEW_DAEMON || + cmd == IPVS_CMD_DEL_DAEMON) { + + struct nlattr *daemon_attrs[IPVS_DAEMON_ATTR_MAX + 1]; + + if (!info->attrs[IPVS_CMD_ATTR_DAEMON] || + nla_parse_nested(daemon_attrs, IPVS_DAEMON_ATTR_MAX, + info->attrs[IPVS_CMD_ATTR_DAEMON], + ip_vs_daemon_policy)) { + ret = -EINVAL; + goto out; + } + + if (cmd == IPVS_CMD_NEW_DAEMON) + ret = ip_vs_genl_new_daemon(daemon_attrs); + else + ret = ip_vs_genl_del_daemon(daemon_attrs); + goto out; + } else if (cmd == IPVS_CMD_ZERO && + !info->attrs[IPVS_CMD_ATTR_SERVICE]) { + ret = ip_vs_zero_all(); + goto out; + } + + /* All following commands require a service argument, so check if we + * received a valid one. We need a full service specification when + * adding / editing a service. Only identifying members otherwise. */ + if (cmd == IPVS_CMD_NEW_SERVICE || cmd == IPVS_CMD_SET_SERVICE) + need_full_svc = 1; + + ret = ip_vs_genl_parse_service(&usvc, + info->attrs[IPVS_CMD_ATTR_SERVICE], + need_full_svc); + if (ret) + goto out; + + /* Lookup the exact service by or fwmark */ + if (usvc.fwmark == 0) + svc = __ip_vs_service_get(usvc.protocol, usvc.addr, usvc.port); + else + svc = __ip_vs_svc_fwm_get(usvc.fwmark); + + /* Unless we're adding a new service, the service must already exist */ + if ((cmd != IPVS_CMD_NEW_SERVICE) && (svc == NULL)) { + ret = -ESRCH; + goto out; + } + + /* Destination commands require a valid destination argument. For + * adding / editing a destination, we need a full destination + * specification. */ + if (cmd == IPVS_CMD_NEW_DEST || cmd == IPVS_CMD_SET_DEST || + cmd == IPVS_CMD_DEL_DEST) { + if (cmd != IPVS_CMD_DEL_DEST) + need_full_dest = 1; + + ret = ip_vs_genl_parse_dest(&udest, + info->attrs[IPVS_CMD_ATTR_DEST], + need_full_dest); + if (ret) + goto out; + } + + switch (cmd) { + case IPVS_CMD_NEW_SERVICE: + if (svc == NULL) + ret = ip_vs_add_service(&usvc, &svc); + else + ret = -EEXIST; + break; + case IPVS_CMD_SET_SERVICE: + ret = ip_vs_edit_service(svc, &usvc); + break; + case IPVS_CMD_DEL_SERVICE: + ret = ip_vs_del_service(svc); + break; + case IPVS_CMD_NEW_DEST: + ret = ip_vs_add_dest(svc, &udest); + break; + case IPVS_CMD_SET_DEST: + ret = ip_vs_edit_dest(svc, &udest); + break; + case IPVS_CMD_DEL_DEST: + ret = ip_vs_del_dest(svc, &udest); + break; + case IPVS_CMD_ZERO: + ret = ip_vs_zero_service(svc); + break; + default: + ret = -EINVAL; + } + +out: + if (svc) + ip_vs_service_put(svc); + mutex_unlock(&__ip_vs_mutex); + + return ret; +} + +static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info) +{ + struct sk_buff *msg; + void *reply; + int ret, cmd, reply_cmd; + + cmd = info->genlhdr->cmd; + + if (cmd == IPVS_CMD_GET_SERVICE) + reply_cmd = IPVS_CMD_NEW_SERVICE; + else if (cmd == IPVS_CMD_GET_INFO) + reply_cmd = IPVS_CMD_SET_INFO; + else if (cmd == IPVS_CMD_GET_CONFIG) + reply_cmd = IPVS_CMD_SET_CONFIG; + else { + IP_VS_ERR("unknown Generic Netlink command\n"); + return -EINVAL; + } + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + mutex_lock(&__ip_vs_mutex); + + reply = genlmsg_put_reply(msg, info, &ip_vs_genl_family, 0, reply_cmd); + if (reply == NULL) + goto nla_put_failure; + + switch (cmd) { + case IPVS_CMD_GET_SERVICE: + { + struct ip_vs_service *svc; + + svc = ip_vs_genl_find_service(info->attrs[IPVS_CMD_ATTR_SERVICE]); + if (IS_ERR(svc)) { + ret = PTR_ERR(svc); + goto out_err; + } else if (svc) { + ret = ip_vs_genl_fill_service(msg, svc); + ip_vs_service_put(svc); + if (ret) + goto nla_put_failure; + } else { + ret = -ESRCH; + goto out_err; + } + + break; + } + + case IPVS_CMD_GET_CONFIG: + { + struct ip_vs_timeout_user t; + + __ip_vs_get_timeouts(&t); +#ifdef CONFIG_IP_VS_PROTO_TCP + NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP, t.tcp_timeout); + NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP_FIN, + t.tcp_fin_timeout); +#endif +#ifdef CONFIG_IP_VS_PROTO_UDP + NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_UDP, t.udp_timeout); +#endif + + break; + } + + case IPVS_CMD_GET_INFO: + NLA_PUT_U32(msg, IPVS_INFO_ATTR_VERSION, IP_VS_VERSION_CODE); + NLA_PUT_U32(msg, IPVS_INFO_ATTR_CONN_TAB_SIZE, + IP_VS_CONN_TAB_SIZE); + break; + } + + genlmsg_end(msg, reply); + ret = genlmsg_unicast(msg, info->snd_pid); + goto out; + +nla_put_failure: + IP_VS_ERR("not enough space in Netlink message\n"); + ret = -EMSGSIZE; + +out_err: + nlmsg_free(msg); +out: + mutex_unlock(&__ip_vs_mutex); + + return ret; +} + + +static struct genl_ops ip_vs_genl_ops[] __read_mostly = { + { + .cmd = IPVS_CMD_NEW_SERVICE, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_SET_SERVICE, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_DEL_SERVICE, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_GET_SERVICE, + .flags = GENL_ADMIN_PERM, + .doit = ip_vs_genl_get_cmd, + .dumpit = ip_vs_genl_dump_services, + .policy = ip_vs_cmd_policy, + }, + { + .cmd = IPVS_CMD_NEW_DEST, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_SET_DEST, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_DEL_DEST, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_GET_DEST, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .dumpit = ip_vs_genl_dump_dests, + }, + { + .cmd = IPVS_CMD_NEW_DAEMON, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_DEL_DAEMON, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_GET_DAEMON, + .flags = GENL_ADMIN_PERM, + .dumpit = ip_vs_genl_dump_daemons, + }, + { + .cmd = IPVS_CMD_SET_CONFIG, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_GET_CONFIG, + .flags = GENL_ADMIN_PERM, + .doit = ip_vs_genl_get_cmd, + }, + { + .cmd = IPVS_CMD_GET_INFO, + .flags = GENL_ADMIN_PERM, + .doit = ip_vs_genl_get_cmd, + }, + { + .cmd = IPVS_CMD_ZERO, + .flags = GENL_ADMIN_PERM, + .policy = ip_vs_cmd_policy, + .doit = ip_vs_genl_set_cmd, + }, + { + .cmd = IPVS_CMD_FLUSH, + .flags = GENL_ADMIN_PERM, + .doit = ip_vs_genl_set_cmd, + }, +}; + +static int __init ip_vs_genl_register(void) +{ + int ret, i; + + ret = genl_register_family(&ip_vs_genl_family); + if (ret) + return ret; + + for (i = 0; i < ARRAY_SIZE(ip_vs_genl_ops); i++) { + ret = genl_register_ops(&ip_vs_genl_family, &ip_vs_genl_ops[i]); + if (ret) + goto err_out; + } + return 0; + +err_out: + genl_unregister_family(&ip_vs_genl_family); + return ret; +} + +static void ip_vs_genl_unregister(void) +{ + genl_unregister_family(&ip_vs_genl_family); +} + +/* End of Generic Netlink interface definitions */ + int __init ip_vs_control_init(void) { @@ -2334,6 +3201,13 @@ int __init ip_vs_control_init(void) return ret; } + ret = ip_vs_genl_register(); + if (ret) { + IP_VS_ERR("cannot register Generic Netlink interface.\n"); + nf_unregister_sockopt(&ip_vs_sockopts); + return ret; + } + proc_net_fops_create(&init_net, "ip_vs", 0, &ip_vs_info_fops); proc_net_fops_create(&init_net, "ip_vs_stats",0, &ip_vs_stats_fops); @@ -2368,6 +3242,7 @@ void ip_vs_control_cleanup(void) unregister_sysctl_table(sysctl_header); proc_net_remove(&init_net, "ip_vs_stats"); proc_net_remove(&init_net, "ip_vs"); + ip_vs_genl_unregister(); nf_unregister_sockopt(&ip_vs_sockopts); LeaveFunction(2); } -- GitLab From 82dfb6f32219d8e6cf6b979a520cb2b11d977d4e Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Mon, 11 Aug 2008 19:36:06 +0000 Subject: [PATCH 0339/6244] ipvs: Only call init_service, update_service and done_service for schedulers if defined There are schedulers that only schedule based on data available in the service or destination structures and they don't need any persistent storage or initialization routine. These schedulers currently provide dummy functions for the init_service, update_service and/or done_service functions. For the init_service and done_service cases we already have code that only calls these functions, if the scheduler provides them. Do the same for the update_service case and remove the dummy functions from all schedulers. Signed-off-by: Sven Wegener Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_ctl.c | 21 ++++++++++++--------- net/ipv4/ipvs/ip_vs_lblc.c | 7 ------- net/ipv4/ipvs/ip_vs_lblcr.c | 7 ------- net/ipv4/ipvs/ip_vs_lc.c | 21 --------------------- net/ipv4/ipvs/ip_vs_nq.c | 24 ------------------------ net/ipv4/ipvs/ip_vs_rr.c | 7 ------- net/ipv4/ipvs/ip_vs_sed.c | 24 ------------------------ net/ipv4/ipvs/ip_vs_wlc.c | 24 ------------------------ 8 files changed, 12 insertions(+), 123 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c index d1dbd8b311b7..ede101eeec17 100644 --- a/net/ipv4/ipvs/ip_vs_ctl.c +++ b/net/ipv4/ipvs/ip_vs_ctl.c @@ -869,7 +869,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest) svc->num_dests++; /* call the update_service function of its scheduler */ - svc->scheduler->update_service(svc); + if (svc->scheduler->update_service) + svc->scheduler->update_service(svc); write_unlock_bh(&__ip_vs_svc_lock); return 0; @@ -899,7 +900,8 @@ ip_vs_add_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest) svc->num_dests++; /* call the update_service function of its scheduler */ - svc->scheduler->update_service(svc); + if (svc->scheduler->update_service) + svc->scheduler->update_service(svc); write_unlock_bh(&__ip_vs_svc_lock); @@ -949,7 +951,8 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest) IP_VS_WAIT_WHILE(atomic_read(&svc->usecnt) > 1); /* call the update_service, because server weight may be changed */ - svc->scheduler->update_service(svc); + if (svc->scheduler->update_service) + svc->scheduler->update_service(svc); write_unlock_bh(&__ip_vs_svc_lock); @@ -1012,12 +1015,12 @@ static void __ip_vs_unlink_dest(struct ip_vs_service *svc, */ list_del(&dest->n_list); svc->num_dests--; - if (svcupd) { - /* - * Call the update_service function of its scheduler - */ - svc->scheduler->update_service(svc); - } + + /* + * Call the update_service function of its scheduler + */ + if (svcupd && svc->scheduler->update_service) + svc->scheduler->update_service(svc); } diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c index 7a6a319f544a..4a14d069f8ab 100644 --- a/net/ipv4/ipvs/ip_vs_lblc.c +++ b/net/ipv4/ipvs/ip_vs_lblc.c @@ -388,12 +388,6 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc) } -static int ip_vs_lblc_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline struct ip_vs_dest * __ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph) { @@ -542,7 +536,6 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler = .n_list = LIST_HEAD_INIT(ip_vs_lblc_scheduler.n_list), .init_service = ip_vs_lblc_init_svc, .done_service = ip_vs_lblc_done_svc, - .update_service = ip_vs_lblc_update_svc, .schedule = ip_vs_lblc_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c index c234e73968a6..46b870385b89 100644 --- a/net/ipv4/ipvs/ip_vs_lblcr.c +++ b/net/ipv4/ipvs/ip_vs_lblcr.c @@ -572,12 +572,6 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc) } -static int ip_vs_lblcr_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline struct ip_vs_dest * __ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph) { @@ -731,7 +725,6 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler = .n_list = LIST_HEAD_INIT(ip_vs_lblcr_scheduler.n_list), .init_service = ip_vs_lblcr_init_svc, .done_service = ip_vs_lblcr_done_svc, - .update_service = ip_vs_lblcr_update_svc, .schedule = ip_vs_lblcr_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_lc.c b/net/ipv4/ipvs/ip_vs_lc.c index ebcdbf75ac65..2c3de1b63518 100644 --- a/net/ipv4/ipvs/ip_vs_lc.c +++ b/net/ipv4/ipvs/ip_vs_lc.c @@ -20,24 +20,6 @@ #include -static int ip_vs_lc_init_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int ip_vs_lc_done_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int ip_vs_lc_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline unsigned int ip_vs_lc_dest_overhead(struct ip_vs_dest *dest) { @@ -99,9 +81,6 @@ static struct ip_vs_scheduler ip_vs_lc_scheduler = { .refcnt = ATOMIC_INIT(0), .module = THIS_MODULE, .n_list = LIST_HEAD_INIT(ip_vs_lc_scheduler.n_list), - .init_service = ip_vs_lc_init_svc, - .done_service = ip_vs_lc_done_svc, - .update_service = ip_vs_lc_update_svc, .schedule = ip_vs_lc_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_nq.c b/net/ipv4/ipvs/ip_vs_nq.c index 92f3a6770031..5330d5a2de14 100644 --- a/net/ipv4/ipvs/ip_vs_nq.c +++ b/net/ipv4/ipvs/ip_vs_nq.c @@ -37,27 +37,6 @@ #include -static int -ip_vs_nq_init_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_nq_done_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_nq_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline unsigned int ip_vs_nq_dest_overhead(struct ip_vs_dest *dest) { @@ -137,9 +116,6 @@ static struct ip_vs_scheduler ip_vs_nq_scheduler = .refcnt = ATOMIC_INIT(0), .module = THIS_MODULE, .n_list = LIST_HEAD_INIT(ip_vs_nq_scheduler.n_list), - .init_service = ip_vs_nq_init_svc, - .done_service = ip_vs_nq_done_svc, - .update_service = ip_vs_nq_update_svc, .schedule = ip_vs_nq_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_rr.c b/net/ipv4/ipvs/ip_vs_rr.c index 358110d17e59..f74929117534 100644 --- a/net/ipv4/ipvs/ip_vs_rr.c +++ b/net/ipv4/ipvs/ip_vs_rr.c @@ -32,12 +32,6 @@ static int ip_vs_rr_init_svc(struct ip_vs_service *svc) } -static int ip_vs_rr_done_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static int ip_vs_rr_update_svc(struct ip_vs_service *svc) { svc->sched_data = &svc->destinations; @@ -96,7 +90,6 @@ static struct ip_vs_scheduler ip_vs_rr_scheduler = { .module = THIS_MODULE, .n_list = LIST_HEAD_INIT(ip_vs_rr_scheduler.n_list), .init_service = ip_vs_rr_init_svc, - .done_service = ip_vs_rr_done_svc, .update_service = ip_vs_rr_update_svc, .schedule = ip_vs_rr_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_sed.c b/net/ipv4/ipvs/ip_vs_sed.c index 77663d84cbd1..53f73bea66ce 100644 --- a/net/ipv4/ipvs/ip_vs_sed.c +++ b/net/ipv4/ipvs/ip_vs_sed.c @@ -41,27 +41,6 @@ #include -static int -ip_vs_sed_init_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_sed_done_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_sed_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline unsigned int ip_vs_sed_dest_overhead(struct ip_vs_dest *dest) { @@ -139,9 +118,6 @@ static struct ip_vs_scheduler ip_vs_sed_scheduler = .refcnt = ATOMIC_INIT(0), .module = THIS_MODULE, .n_list = LIST_HEAD_INIT(ip_vs_sed_scheduler.n_list), - .init_service = ip_vs_sed_init_svc, - .done_service = ip_vs_sed_done_svc, - .update_service = ip_vs_sed_update_svc, .schedule = ip_vs_sed_schedule, }; diff --git a/net/ipv4/ipvs/ip_vs_wlc.c b/net/ipv4/ipvs/ip_vs_wlc.c index 9b0ef86bb1f7..df7ad8d74766 100644 --- a/net/ipv4/ipvs/ip_vs_wlc.c +++ b/net/ipv4/ipvs/ip_vs_wlc.c @@ -25,27 +25,6 @@ #include -static int -ip_vs_wlc_init_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_wlc_done_svc(struct ip_vs_service *svc) -{ - return 0; -} - - -static int -ip_vs_wlc_update_svc(struct ip_vs_service *svc) -{ - return 0; -} - - static inline unsigned int ip_vs_wlc_dest_overhead(struct ip_vs_dest *dest) { @@ -127,9 +106,6 @@ static struct ip_vs_scheduler ip_vs_wlc_scheduler = .refcnt = ATOMIC_INIT(0), .module = THIS_MODULE, .n_list = LIST_HEAD_INIT(ip_vs_wlc_scheduler.n_list), - .init_service = ip_vs_wlc_init_svc, - .done_service = ip_vs_wlc_done_svc, - .update_service = ip_vs_wlc_update_svc, .schedule = ip_vs_wlc_schedule, }; -- GitLab From a919cf4b6b499416b6e2247dbc79196c4325f2e6 Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Thu, 14 Aug 2008 00:47:16 +0200 Subject: [PATCH 0340/6244] ipvs: Create init functions for estimator code Commit 8ab19ea36c5c5340ff598e4d15fc084eb65671dc ("ipvs: Fix possible deadlock in estimator code") fixed a deadlock condition, but that condition can only happen during unload of IPVS, because during normal operation there is at least our global stats structure in the estimator list. The mod_timer() and del_timer_sync() calls are actually initialization and cleanup code in disguise. Let's make it explicit and move them to their own init and cleanup function. Signed-off-by: Sven Wegener Signed-off-by: Simon Horman --- include/net/ip_vs.h | 2 ++ net/ipv4/ipvs/ip_vs_core.c | 8 ++++++-- net/ipv4/ipvs/ip_vs_est.c | 18 +++++++++++------- 3 files changed, 19 insertions(+), 9 deletions(-) diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index 7312c3dd309f..a25ad243031d 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -683,6 +683,8 @@ extern void ip_vs_sync_conn(struct ip_vs_conn *cp); /* * IPVS rate estimator prototypes (from ip_vs_est.c) */ +extern int ip_vs_estimator_init(void); +extern void ip_vs_estimator_cleanup(void); extern void ip_vs_new_estimator(struct ip_vs_stats *stats); extern void ip_vs_kill_estimator(struct ip_vs_stats *stats); extern void ip_vs_zero_estimator(struct ip_vs_stats *stats); diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c index a7879eafc3b5..9fbf0a6d7392 100644 --- a/net/ipv4/ipvs/ip_vs_core.c +++ b/net/ipv4/ipvs/ip_vs_core.c @@ -1070,10 +1070,12 @@ static int __init ip_vs_init(void) { int ret; + ip_vs_estimator_init(); + ret = ip_vs_control_init(); if (ret < 0) { IP_VS_ERR("can't setup control.\n"); - goto cleanup_nothing; + goto cleanup_estimator; } ip_vs_protocol_init(); @@ -1106,7 +1108,8 @@ static int __init ip_vs_init(void) cleanup_protocol: ip_vs_protocol_cleanup(); ip_vs_control_cleanup(); - cleanup_nothing: + cleanup_estimator: + ip_vs_estimator_cleanup(); return ret; } @@ -1117,6 +1120,7 @@ static void __exit ip_vs_cleanup(void) ip_vs_app_cleanup(); ip_vs_protocol_cleanup(); ip_vs_control_cleanup(); + ip_vs_estimator_cleanup(); IP_VS_INFO("ipvs unloaded.\n"); } diff --git a/net/ipv4/ipvs/ip_vs_est.c b/net/ipv4/ipvs/ip_vs_est.c index 5a20f93bd7f9..4fb620ec2086 100644 --- a/net/ipv4/ipvs/ip_vs_est.c +++ b/net/ipv4/ipvs/ip_vs_est.c @@ -124,8 +124,6 @@ void ip_vs_new_estimator(struct ip_vs_stats *stats) est->outbps = stats->outbps<<5; spin_lock_bh(&est_lock); - if (list_empty(&est_list)) - mod_timer(&est_timer, jiffies + 2 * HZ); list_add(&est->list, &est_list); spin_unlock_bh(&est_lock); } @@ -136,11 +134,6 @@ void ip_vs_kill_estimator(struct ip_vs_stats *stats) spin_lock_bh(&est_lock); list_del(&est->list); - while (list_empty(&est_list) && try_to_del_timer_sync(&est_timer) < 0) { - spin_unlock_bh(&est_lock); - cpu_relax(); - spin_lock_bh(&est_lock); - } spin_unlock_bh(&est_lock); } @@ -160,3 +153,14 @@ void ip_vs_zero_estimator(struct ip_vs_stats *stats) est->inbps = 0; est->outbps = 0; } + +int __init ip_vs_estimator_init(void) +{ + mod_timer(&est_timer, jiffies + 2 * HZ); + return 0; +} + +void ip_vs_estimator_cleanup(void) +{ + del_timer_sync(&est_timer); +} -- GitLab From 4a031b0e6acd8a8c23725ceb5db6a0aa5c4e231f Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Fri, 15 Aug 2008 09:26:15 +1000 Subject: [PATCH 0341/6244] ipvs: rename __ip_vs_wlc_schedule in lblc and lblcr schedulers For the sake of clarity, rename __ip_vs_wlc_schedule() in lblc.c to __ip_vs_lblc_schedule() and the version in lblcr.c to __ip_vs_lblc_schedule(). I guess the original name stuck from a copy and paste. Cc: Sven Wegener Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_lblc.c | 6 +++--- net/ipv4/ipvs/ip_vs_lblcr.c | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c index 4a14d069f8ab..b9b334cccf37 100644 --- a/net/ipv4/ipvs/ip_vs_lblc.c +++ b/net/ipv4/ipvs/ip_vs_lblc.c @@ -389,7 +389,7 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc) static inline struct ip_vs_dest * -__ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph) +__ip_vs_lblc_schedule(struct ip_vs_service *svc, struct iphdr *iph) { struct ip_vs_dest *dest, *least; int loh, doh; @@ -488,7 +488,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) tbl = (struct ip_vs_lblc_table *)svc->sched_data; en = ip_vs_lblc_get(tbl, iph->daddr); if (en == NULL) { - dest = __ip_vs_wlc_schedule(svc, iph); + dest = __ip_vs_lblc_schedule(svc, iph); if (dest == NULL) { IP_VS_DBG(1, "no destination available\n"); return NULL; @@ -503,7 +503,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) if (!(dest->flags & IP_VS_DEST_F_AVAILABLE) || atomic_read(&dest->weight) <= 0 || is_overloaded(dest, svc)) { - dest = __ip_vs_wlc_schedule(svc, iph); + dest = __ip_vs_lblc_schedule(svc, iph); if (dest == NULL) { IP_VS_DBG(1, "no destination available\n"); return NULL; diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c index 46b870385b89..f1c845036898 100644 --- a/net/ipv4/ipvs/ip_vs_lblcr.c +++ b/net/ipv4/ipvs/ip_vs_lblcr.c @@ -573,7 +573,7 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc) static inline struct ip_vs_dest * -__ip_vs_wlc_schedule(struct ip_vs_service *svc, struct iphdr *iph) +__ip_vs_lblcr_schedule(struct ip_vs_service *svc, struct iphdr *iph) { struct ip_vs_dest *dest, *least; int loh, doh; @@ -673,7 +673,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) tbl = (struct ip_vs_lblcr_table *)svc->sched_data; en = ip_vs_lblcr_get(tbl, iph->daddr); if (en == NULL) { - dest = __ip_vs_wlc_schedule(svc, iph); + dest = __ip_vs_lblcr_schedule(svc, iph); if (dest == NULL) { IP_VS_DBG(1, "no destination available\n"); return NULL; @@ -687,7 +687,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) } else { dest = ip_vs_dest_set_min(&en->set); if (!dest || is_overloaded(dest, svc)) { - dest = __ip_vs_wlc_schedule(svc, iph); + dest = __ip_vs_lblcr_schedule(svc, iph); if (dest == NULL) { IP_VS_DBG(1, "no destination available\n"); return NULL; -- GitLab From 782b7a367d81da005d93b28cb00f9ae086773c24 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 14 Aug 2008 14:00:12 +0300 Subject: [PATCH 0342/6244] [MTD] [OneNAND] OMAP3: add delay for GPIO On OMAP3, the driver was occasionally not seeing the GPIO interrupt. Adding a small delay of one register read eliminates the problem. Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- drivers/mtd/onenand/omap2.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 40153ace5df6..34b42533f4bb 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -141,8 +141,13 @@ static int omap2_onenand_wait(struct mtd_info *mtd, int state) /* Turn interrupts on */ syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); - syscfg |= ONENAND_SYS_CFG1_IOBE; - write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); + if (!(syscfg & ONENAND_SYS_CFG1_IOBE)) { + syscfg |= ONENAND_SYS_CFG1_IOBE; + write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); + if (cpu_is_omap34xx()) + /* Add a delay to let GPIO settle */ + syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); + } INIT_COMPLETION(c->irq_done); if (c->gpio_irq) { -- GitLab From 8a8f2662c535e1dedced896cc68cb8473fd98fa0 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 13 Aug 2008 15:27:43 +0200 Subject: [PATCH 0343/6244] ALSA: Add missing description of usb-audio parameters Added the missing description of module parameters of usb-audio driver to ALSA-Configuration.txt. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- Documentation/sound/alsa/ALSA-Configuration.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index dd083b2a5bd3..68bbc25ff39e 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1978,12 +1978,20 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. vid - Vendor ID for the device (optional) pid - Product ID for the device (optional) + nrpacks - Max. number of packets per URB (default: 8) + async_unlink - Use async unlink mode (default: yes) device_setup - Device specific magic number (optional) - Influence depends on the device - Default: 0x0000 This module supports multiple devices, autoprobe and hotplugging. + NB: nrpacks parameter can be modified dynamically via sysfs. + Don't put the value over 20. Changing via sysfs has no sanity + check. + NB: async_unlink=0 would cause Oops. It remains just for + debugging purpose (if any). + Module snd-usb-caiaq -------------------- -- GitLab From 7a9b8063cf7d78d7de4f2555357101087548c699 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 13 Aug 2008 15:40:53 +0200 Subject: [PATCH 0344/6244] ALSA: usb-audio - Add ignore_ctl_error parameter Added the ignore_ctl_error parameter to enable/disable the control-error handling for mixer interfaces. It was a hard-coded ifdef, and now you can change it more easily. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- Documentation/sound/alsa/ALSA-Configuration.txt | 5 +++++ sound/usb/usbaudio.c | 7 +++++-- sound/usb/usbaudio.h | 3 ++- sound/usb/usbmixer.c | 7 +++---- 4 files changed, 15 insertions(+), 7 deletions(-) diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 68bbc25ff39e..b33e030509fb 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -1983,6 +1983,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. device_setup - Device specific magic number (optional) - Influence depends on the device - Default: 0x0000 + ignore_ctl_error - Ignore any USB-controller regarding mixer + interface (default: no) This module supports multiple devices, autoprobe and hotplugging. @@ -1991,6 +1993,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. check. NB: async_unlink=0 would cause Oops. It remains just for debugging purpose (if any). + NB: ignore_ctl_error=1 may help when you get an error at accessing + the mixer element such as URB error -22. This happens on some + buggy USB device or the controller. Module snd-usb-caiaq -------------------- diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index c91f18cdc8b5..c5cf682c352f 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -71,6 +71,7 @@ static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; static int nrpacks = 8; /* max. number of packets per urb */ static int async_unlink = 1; static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/ +static int ignore_ctl_error; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for the USB audio adapter."); @@ -88,7 +89,9 @@ module_param(async_unlink, bool, 0444); MODULE_PARM_DESC(async_unlink, "Use async unlink mode."); module_param_array(device_setup, int, NULL, 0444); MODULE_PARM_DESC(device_setup, "Specific device setup (if needed)."); - +module_param(ignore_ctl_error, bool, 0444); +MODULE_PARM_DESC(ignore_ctl_error, + "Ignore errors from USB controller for mixer interfaces."); /* * debug the h/w constraints @@ -3633,7 +3636,7 @@ static void *snd_usb_audio_probe(struct usb_device *dev, if (err > 0) { /* create normal USB audio interfaces */ if (snd_usb_create_streams(chip, ifnum) < 0 || - snd_usb_create_mixer(chip, ifnum) < 0) { + snd_usb_create_mixer(chip, ifnum, ignore_ctl_error) < 0) { goto __error; } } diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 140ba363414c..f3ca77f08eac 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -223,7 +223,8 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size, int timeout); -int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif); +int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, + int ignore_error); void snd_usb_mixer_disconnect(struct list_head *p); int snd_usb_create_midi_interface(struct snd_usb_audio *chip, struct usb_interface *iface, diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 6621fad8c5f0..a49246113e75 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -2014,7 +2014,8 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, } } -int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) +int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, + int ignore_error) { static struct snd_device_ops dev_ops = { .dev_free = snd_usb_mixer_dev_free @@ -2029,9 +2030,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif) return -ENOMEM; mixer->chip = chip; mixer->ctrlif = ctrlif; -#ifdef IGNORE_CTL_ERROR - mixer->ignore_ctl_error = 1; -#endif + mixer->ignore_ctl_error = ignore_error; mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL); if (!mixer->id_elems) { kfree(mixer); -- GitLab From 0072889a556373b12b687107ac6b24d2ea961ddf Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 14 Aug 2008 07:51:57 +0200 Subject: [PATCH 0345/6244] ALSA: fix a typo during snd_assert() removal Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/core/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/core/timer.c b/sound/core/timer.c index b8ee49c1f855..e582face89d2 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -306,7 +306,7 @@ int snd_timer_close(struct snd_timer_instance *timeri) struct snd_timer *timer = NULL; struct snd_timer_instance *slave, *tmp; - if (snd_BUG_ON(!timer)) + if (snd_BUG_ON(!timeri)) return -ENXIO; /* force to stop the timer */ -- GitLab From 4682eee0ed64a50668c8645f136972e53fcf5a0a Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 15 Aug 2008 07:43:24 +0200 Subject: [PATCH 0346/6244] ALSA: hda: dynamically create capture mux controls Dynamically create capture mux volume controls when a output amp is detected. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 52 +++++++++++++++++++++++----------- 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index fac6b3ca5fe2..75112e4b7965 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -795,7 +795,6 @@ static struct snd_kcontrol_new stac9200_mixer[] = { STAC_INPUT_SOURCE(1), HDA_CODEC_VOLUME("Capture Volume", 0x0a, 0, HDA_OUTPUT), HDA_CODEC_MUTE("Capture Switch", 0x0a, 0, HDA_OUTPUT), - HDA_CODEC_VOLUME("Capture Mux Volume", 0x0c, 0, HDA_OUTPUT), { } /* end */ }; @@ -909,12 +908,9 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x0, 0x1a, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1d, 0x0, HDA_OUTPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1d, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x1, 0x1b, 0x0, HDA_OUTPUT), - /* analog pc-beep replaced with digital beep support */ /* HDA_CODEC_VOLUME("PC Beep Volume", 0x17, 0x2, HDA_INPUT), @@ -932,11 +928,9 @@ static struct snd_kcontrol_new stac92hd71bxx_mixer[] = { HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x0, 0x1a, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1d, 0x0, HDA_OUTPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1d, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Capture Mux Volume", 0x1, 0x1b, 0x0, HDA_OUTPUT), { } /* end */ }; @@ -944,7 +938,6 @@ static struct snd_kcontrol_new stac925x_mixer[] = { STAC_INPUT_SOURCE(1), HDA_CODEC_VOLUME("Capture Volume", 0x09, 0, HDA_OUTPUT), HDA_CODEC_MUTE("Capture Switch", 0x14, 0, HDA_OUTPUT), - HDA_CODEC_VOLUME("Capture Mux Volume", 0x0f, 0, HDA_OUTPUT), { } /* end */ }; @@ -954,12 +947,9 @@ static struct snd_kcontrol_new stac9205_mixer[] = { HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1b, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1d, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x19, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x1c, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1e, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x1A, 0x0, HDA_OUTPUT), - { } /* end */ }; @@ -968,11 +958,9 @@ static struct snd_kcontrol_new stac922x_mixer[] = { STAC_INPUT_SOURCE(2), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x17, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x17, 0x0, HDA_INPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x12, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x18, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x18, 0x0, HDA_INPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x13, 0x0, HDA_OUTPUT), { } /* end */ }; @@ -983,15 +971,12 @@ static struct snd_kcontrol_new stac927x_mixer[] = { HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x18, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1b, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x0, 0x15, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x1, 0x19, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x1, 0x1c, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x1, 0x16, 0x0, HDA_OUTPUT), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x2, 0x1A, 0x0, HDA_INPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x2, 0x1d, 0x0, HDA_OUTPUT), - HDA_CODEC_VOLUME_IDX("Mux Capture Volume", 0x2, 0x17, 0x0, HDA_OUTPUT), { } /* end */ }; @@ -2352,7 +2337,8 @@ static struct snd_kcontrol_new stac92xx_control_templates[] = { }; /* add dynamic controls */ -static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char *name, unsigned long val) +static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type, + int idx, const char *name, unsigned long val) { struct snd_kcontrol_new *knew; @@ -2372,6 +2358,7 @@ static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char knew = &spec->kctl_alloc[spec->num_kctl_used]; *knew = stac92xx_control_templates[type]; + knew->index = idx; knew->name = kstrdup(name, GFP_KERNEL); if (! knew->name) return -ENOMEM; @@ -2380,6 +2367,14 @@ static int stac92xx_add_control(struct sigmatel_spec *spec, int type, const char return 0; } + +/* add dynamic controls */ +static int stac92xx_add_control(struct sigmatel_spec *spec, int type, + const char *name, unsigned long val) +{ + return stac92xx_add_control_idx(spec, type, 0, name, val); +} + /* flag inputs as additional dynamic lineouts */ static int stac92xx_add_dyn_out_pins(struct hda_codec *codec, struct auto_pin_cfg *cfg) { @@ -2781,6 +2776,26 @@ static int stac92xx_auto_create_beep_ctls(struct hda_codec *codec, return 0; } +static int stac92xx_auto_create_mux_input_ctls(struct hda_codec *codec) +{ + struct sigmatel_spec *spec = codec->spec; + int wcaps, nid, i, err = 0; + + for (i = 0; i < spec->num_muxes; i++) { + nid = spec->mux_nids[i]; + wcaps = get_wcaps(codec, nid); + + if (wcaps & AC_WCAP_OUT_AMP) { + err = stac92xx_add_control_idx(spec, + STAC_CTL_WIDGET_VOL, i, "Mux Capture Volume", + HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT)); + if (err < 0) + return err; + } + } + return 0; +}; + /* labels for dmic mux inputs */ static const char *stac92xx_dmic_labels[5] = { "Analog Inputs", "Digital Mic 1", "Digital Mic 2", @@ -3079,6 +3094,11 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if ((err = stac92xx_auto_create_dmic_input_ctls(codec, &spec->autocfg)) < 0) return err; + if (spec->num_muxes > 0) { + err = stac92xx_auto_create_mux_input_ctls(codec); + if (err < 0) + return err; + } spec->multiout.max_channels = spec->multiout.num_dacs * 2; if (spec->multiout.max_channels > 2) -- GitLab From 8daaaa97d6420c7e8b02c12ce591bb29fd959c62 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 15 Aug 2008 07:45:52 +0200 Subject: [PATCH 0347/6244] ALSA: hda: 92HD75xx fixes Fixed several noise issues with DACs and ADCs on some 92HD75xxx based codecs with certain revision id's. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 87 ++++++++++++++++++++++++++++++++-- 1 file changed, 82 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 75112e4b7965..c72c748322a1 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -145,6 +145,9 @@ struct sigmatel_spec { unsigned int gpio_data; unsigned int gpio_mute; + /* stream */ + unsigned int stream_delay; + /* analog loopback */ unsigned char aloopback_mask; unsigned char aloopback_shift; @@ -190,6 +193,7 @@ struct sigmatel_spec { unsigned int cur_dmux[2]; struct hda_input_mux *input_mux; unsigned int cur_mux[3]; + unsigned int powerdown_adcs; /* i/o switches */ unsigned int io_switch[2]; @@ -1996,6 +2000,8 @@ static int stac92xx_playback_pcm_open(struct hda_pcm_stream *hinfo, struct snd_pcm_substream *substream) { struct sigmatel_spec *spec = codec->spec; + if (spec->stream_delay) + msleep(spec->stream_delay); return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream, hinfo); } @@ -2059,9 +2065,14 @@ static int stac92xx_capture_pcm_prepare(struct hda_pcm_stream *hinfo, struct snd_pcm_substream *substream) { struct sigmatel_spec *spec = codec->spec; + hda_nid_t nid = spec->adc_nids[substream->number]; - snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number], - stream_tag, 0, format); + if (spec->powerdown_adcs) { + msleep(40); + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + } + snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); return 0; } @@ -2070,8 +2081,12 @@ static int stac92xx_capture_pcm_cleanup(struct hda_pcm_stream *hinfo, struct snd_pcm_substream *substream) { struct sigmatel_spec *spec = codec->spec; + hda_nid_t nid = spec->adc_nids[substream->number]; - snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]); + snd_hda_codec_cleanup_stream(codec, nid); + if (spec->powerdown_adcs) + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_POWER_STATE, AC_PWRST_D3); return 0; } @@ -3296,6 +3311,12 @@ static int stac92xx_init(struct hda_codec *codec) snd_hda_sequence_write(codec, spec->init); + /* power down adcs initially */ + if (spec->powerdown_adcs) + for (i = 0; i < spec->num_adcs; i++) + snd_hda_codec_write_cache(codec, + spec->adc_nids[i], 0, + AC_VERB_SET_POWER_STATE, AC_PWRST_D3); /* set up pins */ if (spec->hp_detect) { /* Enable unsolicited responses on the HP widget */ @@ -3930,6 +3951,47 @@ again: return 0; } +#ifdef SND_HDA_NEEDS_RESUME +static void stac92hd71xx_set_power_state(struct hda_codec *codec, int pwr) +{ + struct sigmatel_spec *spec = codec->spec; + int i; + snd_hda_codec_write_cache(codec, codec->afg, 0, + AC_VERB_SET_POWER_STATE, pwr); + + msleep(1); + for (i = 0; i < spec->num_adcs; i++) { + snd_hda_codec_write_cache(codec, + spec->adc_nids[i], 0, + AC_VERB_SET_POWER_STATE, pwr); + } +}; + +static int stac92hd71xx_resume(struct hda_codec *codec) +{ + stac92hd71xx_set_power_state(codec, AC_PWRST_D0); + return stac92xx_resume(codec); +} + +static int stac92hd71xx_suspend(struct hda_codec *codec, pm_message_t state) +{ + stac92hd71xx_set_power_state(codec, AC_PWRST_D3); + return 0; +}; + +#endif + +static struct hda_codec_ops stac92hd71bxx_patch_ops = { + .build_controls = stac92xx_build_controls, + .build_pcms = stac92xx_build_pcms, + .init = stac92xx_init, + .free = stac92xx_free, + .unsol_event = stac92xx_unsol_event, +#ifdef SND_HDA_NEEDS_RESUME + .resume = stac92hd71xx_resume, + .suspend = stac92hd71xx_suspend, +#endif +}; static int patch_stac92hd71bxx(struct hda_codec *codec) { @@ -3941,6 +4003,7 @@ static int patch_stac92hd71bxx(struct hda_codec *codec) return -ENOMEM; codec->spec = spec; + codec->patch_ops = stac92xx_patch_ops; spec->num_pins = ARRAY_SIZE(stac92hd71bxx_pin_nids); spec->num_pwrs = ARRAY_SIZE(stac92hd71bxx_pwr_nids); spec->pin_nids = stac92hd71bxx_pin_nids; @@ -3972,6 +4035,14 @@ again: spec->init = stac92hd71bxx_core_init; break; case 0x111d7608: /* 5 Port with Analog Mixer */ + if ((codec->revision_id & 0xf) == 0 || + (codec->revision_id & 0xf) == 1) { +#ifdef SND_HDA_NEEDS_RESUME + codec->patch_ops = stac92hd71bxx_patch_ops; +#endif + spec->stream_delay = 40; /* 40 milliseconds */ + } + /* no output amps */ spec->num_pwrs = 0; spec->mixer = stac92hd71bxx_analog_mixer; @@ -3981,6 +4052,13 @@ again: stac92xx_set_config_reg(codec, 0xf, 0x40f000f0); break; case 0x111d7603: /* 6 Port with Analog Mixer */ + if ((codec->revision_id & 0xf) == 1) { +#ifdef SND_HDA_NEEDS_RESUME + codec->patch_ops = stac92hd71bxx_patch_ops; +#endif + spec->stream_delay = 40; /* 40 milliseconds */ + } + /* no output amps */ spec->num_pwrs = 0; /* fallthru */ @@ -3997,6 +4075,7 @@ again: spec->gpio_dir = 0x01; spec->gpio_data = 0x01; + spec->powerdown_adcs = 1; spec->digbeep_nid = 0x26; spec->mux_nids = stac92hd71bxx_mux_nids; spec->adc_nids = stac92hd71bxx_adc_nids; @@ -4029,8 +4108,6 @@ again: return err; } - codec->patch_ops = stac92xx_patch_ops; - return 0; }; -- GitLab From b76d69ed721e8365739c3bd5dd7891efbea88494 Mon Sep 17 00:00:00 2001 From: Hiroshi Shimamoto Date: Thu, 14 Aug 2008 17:25:37 -0700 Subject: [PATCH 0348/6244] x86_64: uml: fix rename header guard In unistd_64.h, the guard macro _ASM_X86_64_UNISTD_H_ is renamed to ASM_X86__UNISTD_64_H. This change should be applied to arch/um/sys-x86_64/syscall_table.c. Signed-off-by: Hiroshi Shimamoto Signed-off-by: Ingo Molnar --- arch/um/sys-x86_64/syscall_table.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c index c128eb897008..32f5fbe2d0d2 100644 --- a/arch/um/sys-x86_64/syscall_table.c +++ b/arch/um/sys-x86_64/syscall_table.c @@ -41,12 +41,12 @@ #define stub_rt_sigreturn sys_rt_sigreturn #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; -#undef _ASM_X86_64_UNISTD_H_ +#undef ASM_X86__UNISTD_64_H #include #undef __SYSCALL #define __SYSCALL(nr, sym) [ nr ] = sym, -#undef _ASM_X86_64_UNISTD_H_ +#undef ASM_X86__UNISTD_64_H typedef void (*sys_call_ptr_t)(void); -- GitLab From 54e8e21ed21ca8788aa75294067494abebf9d550 Mon Sep 17 00:00:00 2001 From: Daniel THOMPSON Date: Fri, 15 Aug 2008 10:53:38 +0100 Subject: [PATCH 0349/6244] sound: Fix esoteric double free in the dummy sound driver. The dummy driver uses runtime->private_free but still frees its pcm structures on error paths. This is esoteric because the error paths in question are unreachable. Thus the bug is only a problem when someone copies this code into other drivers. Signed-off-by: Daniel R Thompson Signed-off-by: Jaroslav Kysela --- sound/drivers/dummy.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index c873243e6713..4f900d8b92ce 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -354,6 +354,7 @@ static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream) if ((dpcm = new_pcm_stream(substream)) == NULL) return -ENOMEM; runtime->private_data = dpcm; + /* makes the infrastructure responsible for freeing dpcm */ runtime->private_free = snd_card_dummy_runtime_free; runtime->hw = snd_card_dummy_playback; if (substream->pcm->device & 1) { @@ -362,10 +363,8 @@ static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream) } if (substream->pcm->device & 2) runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID); - if ((err = add_playback_constraints(runtime)) < 0) { - kfree(dpcm); + if ((err = add_playback_constraints(runtime)) < 0) return err; - } return 0; } @@ -379,6 +378,7 @@ static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream) if ((dpcm = new_pcm_stream(substream)) == NULL) return -ENOMEM; runtime->private_data = dpcm; + /* makes the infrastructure responsible for freeing dpcm */ runtime->private_free = snd_card_dummy_runtime_free; runtime->hw = snd_card_dummy_capture; if (substream->pcm->device == 1) { @@ -387,10 +387,8 @@ static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream) } if (substream->pcm->device & 2) runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID); - if ((err = add_capture_constraints(runtime)) < 0) { - kfree(dpcm); + if ((err = add_capture_constraints(runtime)) < 0) return err; - } return 0; } -- GitLab From 1a11cb6427e65b7cfc9c3ec6eaecd2dba1f2d69a Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Fri, 15 Aug 2008 12:59:02 +0200 Subject: [PATCH 0350/6244] ALSA: dummy driver - do not use assignment in if condition checkpatch.pl does not like assignment in if condition Signed-off-by: Jaroslav Kysela --- sound/drivers/dummy.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index 4f900d8b92ce..e5e749f3e0ef 100644 --- a/sound/drivers/dummy.c +++ b/sound/drivers/dummy.c @@ -47,9 +47,11 @@ MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}"); static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime) { int err; - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) return err; - if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) + err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX); + if (err) < 0) return err; return 0; } @@ -363,7 +365,8 @@ static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream) } if (substream->pcm->device & 2) runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID); - if ((err = add_playback_constraints(runtime)) < 0) + err = add_playback_constraints(runtime); + if (err < 0) return err; return 0; @@ -387,7 +390,8 @@ static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream) } if (substream->pcm->device & 2) runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID); - if ((err = add_capture_constraints(runtime)) < 0) + err = add_capture_constraints(runtime); + if (err < 0) return err; return 0; @@ -431,8 +435,9 @@ static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device, struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(dummy->card, "Dummy PCM", device, - substreams, substreams, &pcm)) < 0) + err = snd_pcm_new(dummy->card, "Dummy PCM", device, + substreams, substreams, &pcm); + if (err < 0) return err; dummy->pcm = pcm; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_dummy_playback_ops); @@ -569,7 +574,8 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy) strcpy(card->mixername, "Dummy Mixer"); for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy)); + if (err < 0) return err; } return 0; @@ -593,10 +599,12 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr) pcm_substreams[dev] = 1; if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS) pcm_substreams[dev] = MAX_PCM_SUBSTREAMS; - if ((err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev])) < 0) + err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]); + if (err < 0) goto __nodev; } - if ((err = snd_card_dummy_new_mixer(dummy)) < 0) + err = snd_card_dummy_new_mixer(dummy); + if (err < 0) goto __nodev; strcpy(card->driver, "Dummy"); strcpy(card->shortname, "Dummy"); @@ -604,7 +612,8 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr) snd_card_set_dev(card, &devptr->dev); - if ((err = snd_card_register(card)) == 0) { + err = snd_card_register(card); + if (err == 0) { platform_set_drvdata(devptr, card); return 0; } @@ -667,7 +676,8 @@ static int __init alsa_card_dummy_init(void) { int i, cards, err; - if ((err = platform_driver_register(&snd_dummy_driver)) < 0) + err = platform_driver_register(&snd_dummy_driver); + if (err < 0) return err; cards = 0; -- GitLab From 0fdeb15156536030d62b843ceeee3249d8b288d0 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Fri, 15 Aug 2008 13:33:10 +0200 Subject: [PATCH 0351/6244] ALSA: release v1.0.18rc1 Signed-off-by: Jaroslav Kysela --- include/sound/version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/sound/version.h b/include/sound/version.h index 6b78aff273a8..d7b3c76d21cf 100644 --- a/include/sound/version.h +++ b/include/sound/version.h @@ -1,3 +1,3 @@ /* include/version.h */ -#define CONFIG_SND_VERSION "1.0.17" +#define CONFIG_SND_VERSION "1.0.18rc1" #define CONFIG_SND_DATE "" -- GitLab From ed4e5ec177d20504c51aebb93db12d57716cde9c Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:20 +0200 Subject: [PATCH 0352/6244] x86: apic - use SET_APIC_DEST_FIELD instead of hardcoded shift Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 69a876be506f..77c5e5eb820e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -150,7 +150,7 @@ u32 safe_xapic_wait_icr_idle(void) void xapic_icr_write(u32 low, u32 id) { - apic_write(APIC_ICR2, id << 24); + apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id)); apic_write(APIC_ICR, low); } -- GitLab From 36fef0949c14445d231a68663e8a01860f7caca3 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:20 +0200 Subject: [PATCH 0353/6244] x86: apic - unify disable_apic_timer Get rid of local_apic_timer_disabled and use disable_apic_timer instead. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 17 ++++++++++++----- arch/x86/kernel/apic_64.c | 16 +++++++++++----- 2 files changed, 23 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 12b154822bce..6af20dd12c96 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -63,7 +63,7 @@ int disable_apic; /* Local APIC timer verification ok */ static int local_apic_timer_verify_ok; /* Disable local APIC timer from the kernel commandline or via dmi quirk */ -static int local_apic_timer_disabled; +static int disable_apic_timer __cpuinitdata; /* Local APIC timer works in C2 */ int local_apic_timer_c2_ok; EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); @@ -574,7 +574,7 @@ void __init setup_boot_APIC_clock(void) * timer as a dummy clock event source on SMP systems, so the * broadcast mechanism is used. On UP systems simply ignore it. */ - if (local_apic_timer_disabled) { + if (disable_apic_timer) { /* No broadcast on UP ! */ if (num_possible_cpus() > 1) { lapic_clockevent.mult = 1; @@ -1699,12 +1699,19 @@ static int __init parse_nolapic(char *arg) } early_param("nolapic", parse_nolapic); -static int __init parse_disable_lapic_timer(char *arg) +static int __init parse_disable_apic_timer(char *arg) { - local_apic_timer_disabled = 1; + disable_apic_timer = 1; return 0; } -early_param("nolapic_timer", parse_disable_lapic_timer); +early_param("noapictimer", parse_disable_apic_timer); + +static int __init parse_nolapic_timer(char *arg) +{ + disable_apic_timer = 1; + return 0; +} +early_param("nolapic_timer", parse_nolapic_timer); static int __init parse_lapic_timer_c2_ok(char *arg) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 77c5e5eb820e..1e925be861e4 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -45,6 +45,7 @@ #include #include +/* Disable local APIC timer from the kernel commandline or via dmi quirk */ static int disable_apic_timer __cpuinitdata; static int apic_calibrate_pmtmr __initdata; int disable_apic; @@ -1583,14 +1584,19 @@ static int __init parse_lapic_timer_c2_ok(char *arg) } early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); -static __init int setup_noapictimer(char *str) +static int __init parse_disable_apic_timer(char *arg) { - if (str[0] != ' ' && str[0] != 0) - return 0; disable_apic_timer = 1; - return 1; + return 0; +} +early_param("noapictimer", parse_disable_apic_timer); + +static int __init parse_nolapic_timer(char *arg) +{ + disable_apic_timer = 1; + return 0; } -__setup("noapictimer", setup_noapictimer); +early_param("nolapic_timer", parse_nolapic_timer); static __init int setup_apicpmtimer(char *s) { -- GitLab From f07f4f9046121ac803bc2f0ded3d77b7c2ab481b Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:21 +0200 Subject: [PATCH 0354/6244] x86: apic - unify __setup_APIC_LVTT To be able to unify this function we RE-introduce APIC_DIVISOR for 64bit mode. This snipped was eliminated in some time ago in a sake of clenup but now we need it again since it allow up to get rid of #ifdef(s). And lapic_is_integrated call is added in apic_64.c but since we always have APIC integrated on 64bit cpu compiler will ignore this call. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 1e925be861e4..ac399d0f65c0 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -244,6 +244,9 @@ int lapic_get_maxlvt(void) return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; } +/* Clock divisor is set to 1 */ +#define APIC_DIVISOR 1 + /* * This function sets up the local APIC timer, with a timeout of * 'clocks' APIC bus clock. During calibration we actually call @@ -262,6 +265,9 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) lvtt_value = LOCAL_TIMER_VECTOR; if (!oneshot) lvtt_value |= APIC_LVT_TIMER_PERIODIC; + if (!lapic_is_integrated()) + lvtt_value |= SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV); + if (!irqen) lvtt_value |= APIC_LVT_MASKED; @@ -276,7 +282,7 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) | APIC_TDR_DIV_16); if (!oneshot) - apic_write(APIC_TMICT, clocks); + apic_write(APIC_TMICT, clocks / APIC_DIVISOR); } /* @@ -446,7 +452,7 @@ static int __init calibrate_APIC_clock(void) lapic_clockevent.min_delta_ns = clockevent_delta2ns(0xF, &lapic_clockevent); - calibration_result = result / HZ; + calibration_result = (result * APIC_DIVISOR) / HZ; /* * Do a sanity check on the APIC calibration result -- GitLab From 9ce122c6e55c44ae9a4c4c777579b87d83e7f898 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:21 +0200 Subject: [PATCH 0355/6244] x86: apic - do not clear APIC twice in lapic_shutdown There is no need to clear APIC twice since disable_local_APIC will clear it anyway. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 6af20dd12c96..a151d66f948c 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -830,10 +830,11 @@ void lapic_shutdown(void) return; local_irq_save(flags); - clear_local_APIC(); if (enabled_via_apicbase) disable_local_APIC(); + else + clear_local_APIC(); local_irq_restore(flags); } -- GitLab From 64e474d168e3cf31e44890b4947644d361f84e43 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:22 +0200 Subject: [PATCH 0356/6244] x86: apic - get rid of local_apic_timer_verify_ok We are able to use clock_event_device as it's done in 64bit apic code so lets get rid of local_apic_timer_verify_ok variable. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index a151d66f948c..7783c113be24 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -60,8 +60,6 @@ unsigned long mp_lapic_addr; static int force_enable_local_apic; int disable_apic; -/* Local APIC timer verification ok */ -static int local_apic_timer_verify_ok; /* Disable local APIC timer from the kernel commandline or via dmi quirk */ static int disable_apic_timer __cpuinitdata; /* Local APIC timer works in C2 */ @@ -301,7 +299,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, unsigned int v; /* Lapic used for broadcast ? */ - if (!local_apic_timer_verify_ok) + if (evt->features & CLOCK_EVT_FEAT_DUMMY) return; local_irq_save(flags); @@ -514,7 +512,7 @@ static int __init calibrate_APIC_clock(void) return -1; } - local_apic_timer_verify_ok = 1; + levt->features &= ~CLOCK_EVT_FEAT_DUMMY; /* We trust the pm timer based calibration */ if (!pm_referenced) { @@ -548,11 +546,11 @@ static int __init calibrate_APIC_clock(void) if (deltaj >= LAPIC_CAL_LOOPS-2 && deltaj <= LAPIC_CAL_LOOPS+2) apic_printk(APIC_VERBOSE, "... jiffies result ok\n"); else - local_apic_timer_verify_ok = 0; + levt->features |= CLOCK_EVT_FEAT_DUMMY; } else local_irq_enable(); - if (!local_apic_timer_verify_ok) { + if (levt->features & CLOCK_EVT_FEAT_DUMMY) { printk(KERN_WARNING "APIC timer disabled due to verification failure.\n"); return -1; -- GitLab From c93baa1ae51cdba25a5f5ad37b2348e700e75daf Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:22 +0200 Subject: [PATCH 0357/6244] x86: apic - unify verify_local_APIC Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 7783c113be24..7ef7c782a42d 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -878,6 +878,12 @@ int __init verify_local_APIC(void) */ reg0 = apic_read(APIC_ID); apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg0); + apic_write(APIC_ID, reg0 ^ APIC_ID_MASK); + reg1 = apic_read(APIC_ID); + apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg1); + apic_write(APIC_ID, reg0); + if (reg1 != (reg0 ^ APIC_ID_MASK)) + return 0; /* * The next two are just to see if we have sane values. -- GitLab From 296cb9511dcc3895fda84d0cd5b411bd926e4bb3 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 13:51:23 +0200 Subject: [PATCH 0358/6244] x86: apic - unify sync_Arb_IDs Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 3 +-- arch/x86/kernel/apic_64.c | 10 ++++++---- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 7ef7c782a42d..d07488993ee7 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -915,8 +915,7 @@ void __init sync_Arb_IDs(void) apic_wait_icr_idle(); apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, - APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); + apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); } /* diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ac399d0f65c0..41aff3460635 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -742,8 +742,11 @@ int __init verify_local_APIC(void) */ void __init sync_Arb_IDs(void) { - /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 */ - if (modern_apic()) + /* + * Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 And not + * needed on AMD. + */ + if (modern_apic() || boot_cpu_data.x86_vendor == X86_VENDOR_AMD) return; /* @@ -752,8 +755,7 @@ void __init sync_Arb_IDs(void) apic_wait_icr_idle(); apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG - | APIC_DM_INIT); + apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); } /* -- GitLab From 293a17ebc944c958e24e6ffbd1d5a49abdbf489e Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 12 Aug 2008 17:25:03 -0700 Subject: [PATCH 0359/6244] rcu: prevent console flood when one CPU sees another AWOL via RCU One small change needed to keep from flooding the console when one CPU notices that another is AWOL. Unless I am missing something subtle. Otherwise the cleanups look good! Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index 56b8712fe5aa..dab2676d9d72 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -308,6 +308,7 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) spin_unlock(&rcp->lock); return; } + rcp->gp_check = get_seconds() + 30; spin_unlock(&rcp->lock); /* OK, time to rat on our buddy... */ -- GitLab From 1f7b94cd3d564901f9e04a8bc5832ae7bfd690a0 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 5 Aug 2008 09:21:44 -0700 Subject: [PATCH 0360/6244] rcu: classic RCU locking and memory-barrier cleanups This patch simplifies the locking and memory-barrier usage in the Classic RCU grace-period-detection mechanism, incorporating Lai Jiangshan's feedback from the earlier version (http://lkml.org/lkml/2008/8/1/400 and http://lkml.org/lkml/2008/8/3/43). Passed 10 hours of rcutorture concurrent with CPUs being put online and taken offline on a 128-hardware-thread Power machine. My apologies to whoever in the Eastern Hemisphere was planning to use this machine over the Western Hemisphere night, but it was sitting idle and... So this is ready for tip/core/rcu. This patch is in preparation for moving to a hierarchical algorithm to allow the very large SMP machines -- requested by some people at OLS, and there seem to have been a few recent patches in the 4096-CPU direction as well. The general idea is to move to a much more conservative concurrency design, then apply a hierarchy to reduce contention on the global lock by a few orders of magnitude (larger machines would see greater reductions). The reason for taking a conservative approach is that this code isn't on any fast path. Prototype in progress. This patch is against the linux-tip git tree (tip/core/rcu). If you wish to test this against 2.6.26, use the following set of patches: http://www.rdrop.com/users/paulmck/patches/2.6.26-ljsimp-1.patch http://www.rdrop.com/users/paulmck/patches/2.6.26-ljsimpfix-3.patch The first patch combines commits 5127bed588a2f8f3a1f732de2a8a190b7df5dce3 and 3cac97cbb14aed00d83eb33d4613b0fe3aaea863 from Lai Jiangshan , and the second patch contains my changes. Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 51 ++++++++++++++++++++++++++++++++++++--------- 1 file changed, 41 insertions(+), 10 deletions(-) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index dab2676d9d72..5de126630b10 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -87,6 +87,7 @@ static void force_quiescent_state(struct rcu_data *rdp, int cpu; cpumask_t cpumask; set_need_resched(); + spin_lock(&rcp->lock); if (unlikely(!rcp->signaled)) { rcp->signaled = 1; /* @@ -112,6 +113,7 @@ static void force_quiescent_state(struct rcu_data *rdp, for_each_cpu_mask_nr(cpu, cpumask) smp_send_reschedule(cpu); } + spin_unlock(&rcp->lock); } #else static inline void force_quiescent_state(struct rcu_data *rdp, @@ -125,7 +127,9 @@ static void __call_rcu(struct rcu_head *head, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { long batch; - smp_mb(); /* reads the most recently updated value of rcu->cur. */ + + head->next = NULL; + smp_mb(); /* Read of rcu->cur must happen after any change by caller. */ /* * Determine the batch number of this callback. @@ -175,7 +179,6 @@ void call_rcu(struct rcu_head *head, unsigned long flags; head->func = func; - head->next = NULL; local_irq_save(flags); __call_rcu(head, &rcu_ctrlblk, &__get_cpu_var(rcu_data)); local_irq_restore(flags); @@ -204,7 +207,6 @@ void call_rcu_bh(struct rcu_head *head, unsigned long flags; head->func = func; - head->next = NULL; local_irq_save(flags); __call_rcu(head, &rcu_bh_ctrlblk, &__get_cpu_var(rcu_bh_data)); local_irq_restore(flags); @@ -467,17 +469,17 @@ static void rcu_move_batch(struct rcu_data *this_rdp, struct rcu_head *list, static void __rcu_offline_cpu(struct rcu_data *this_rdp, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { - /* if the cpu going offline owns the grace period + /* + * if the cpu going offline owns the grace period * we can block indefinitely waiting for it, so flush * it here */ spin_lock_bh(&rcp->lock); if (rcp->cur != rcp->completed) cpu_quiet(rdp->cpu, rcp); - spin_unlock_bh(&rcp->lock); - /* spin_lock implies smp_mb() */ rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail, rcp->cur + 1); rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail[2], rcp->cur + 1); + spin_unlock_bh(&rcp->lock); local_irq_disable(); this_rdp->qlen += rdp->qlen; @@ -511,16 +513,19 @@ static void rcu_offline_cpu(int cpu) static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { + long completed_snap; + if (rdp->nxtlist) { local_irq_disable(); + completed_snap = ACCESS_ONCE(rcp->completed); /* * move the other grace-period-completed entries to * [rdp->nxtlist, *rdp->nxttail[0]) temporarily */ - if (!rcu_batch_before(rcp->completed, rdp->batch)) + if (!rcu_batch_before(completed_snap, rdp->batch)) rdp->nxttail[0] = rdp->nxttail[1] = rdp->nxttail[2]; - else if (!rcu_batch_before(rcp->completed, rdp->batch - 1)) + else if (!rcu_batch_before(completed_snap, rdp->batch - 1)) rdp->nxttail[0] = rdp->nxttail[1]; /* @@ -561,8 +566,24 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, static void rcu_process_callbacks(struct softirq_action *unused) { + /* + * Memory references from any prior RCU read-side critical sections + * executed by the interrupted code must be see before any RCU + * grace-period manupulations below. + */ + + smp_mb(); /* See above block comment. */ + __rcu_process_callbacks(&rcu_ctrlblk, &__get_cpu_var(rcu_data)); __rcu_process_callbacks(&rcu_bh_ctrlblk, &__get_cpu_var(rcu_bh_data)); + + /* + * Memory references from any later RCU read-side critical sections + * executed by the interrupted code must be see after any RCU + * grace-period manupulations above. + */ + + smp_mb(); /* See above block comment. */ } static int __rcu_pending(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) @@ -571,13 +592,15 @@ static int __rcu_pending(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) check_cpu_stall(rcp, rdp); if (rdp->nxtlist) { + long completed_snap = ACCESS_ONCE(rcp->completed); + /* * This cpu has pending rcu entries and the grace period * for them has completed. */ - if (!rcu_batch_before(rcp->completed, rdp->batch)) + if (!rcu_batch_before(completed_snap, rdp->batch)) return 1; - if (!rcu_batch_before(rcp->completed, rdp->batch - 1) && + if (!rcu_batch_before(completed_snap, rdp->batch - 1) && rdp->nxttail[0] != rdp->nxttail[1]) return 1; if (rdp->nxttail[0] != &rdp->nxtlist) @@ -628,6 +651,12 @@ int rcu_needs_cpu(int cpu) return !!rdp->nxtlist || !!rdp_bh->nxtlist || rcu_pending(cpu); } +/* + * Top-level function driving RCU grace-period detection, normally + * invoked from the scheduler-clock interrupt. This function simply + * increments counters that are read only from softirq by this same + * CPU, so there are no memory barriers required. + */ void rcu_check_callbacks(int cpu, int user) { if (user || @@ -671,6 +700,7 @@ void rcu_check_callbacks(int cpu, int user) static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { + spin_lock(&rcp->lock); memset(rdp, 0, sizeof(*rdp)); rdp->nxttail[0] = rdp->nxttail[1] = rdp->nxttail[2] = &rdp->nxtlist; rdp->donetail = &rdp->donelist; @@ -678,6 +708,7 @@ static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, rdp->qs_pending = 0; rdp->cpu = cpu; rdp->blimit = blimit; + spin_unlock(&rcp->lock); } static void __cpuinit rcu_online_cpu(int cpu) -- GitLab From 516cbf3730c49739629d66313b20bdc50c98aa2c Mon Sep 17 00:00:00 2001 From: Tim Bird Date: Tue, 12 Aug 2008 12:52:36 -0700 Subject: [PATCH 0361/6244] x86, bootup: add built-in kernel command line for x86 (v2) Allow x86 to support a built-in kernel command line. The built-in command line can override the one provided by the boot loader, for those cases where the boot loader is broken or it is difficult to change the command line in the the boot loader. H. Peter Anvin wrote: > Ingo Molnar wrote: >> Best would be to make it really apparent in the code that nothing >> changes if this config option is not set. Preferably there should be >> no extra code at all in that case. >> > > I would like to see this: [...Nested ifdefs...] OK. This version changes absolutely nothing if CONFIG_CMDLINE_BOOL is not set (the default). Also, no space is appended even when CONFIG_CMDLINE_BOOL is set, but the builtin string is empty. This is less sloppy all the way around, IMHO. Note that I use the same option names as on other arches for this feature. [ mingo@elte.hu: build fix ] Signed-off-by: Tim Bird Cc: Matt Mackall Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 45 +++++++++++++++++++++++++++++++++++++++++ arch/x86/kernel/setup.c | 16 +++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ac2fb0641a04..fbcb79bbafd2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1392,6 +1392,51 @@ config COMPAT_VDSO If unsure, say Y. +config CMDLINE_BOOL + bool "Built-in kernel command line" + default n + help + Allow for specifying boot arguments to the kernel at + build time. On some systems (e.g. embedded ones), it is + necessary or convenient to provide some or all of the + kernel boot arguments with the kernel itself (that is, + to not rely on the boot loader to provide them.) + + To compile command line arguments into the kernel, + set this option to 'Y', then fill in the + the boot arguments in CONFIG_CMDLINE. + + Systems with fully functional boot loaders (i.e. non-embedded) + should leave this option set to 'N'. + +config CMDLINE + string "Built-in kernel command string" + depends on CMDLINE_BOOL + default "" + help + Enter arguments here that should be compiled into the kernel + image and used at boot time. If the boot loader provides a + command line at boot time, it is appended to this string to + form the full kernel command line, when the system boots. + + However, you can use the CONFIG_CMDLINE_OVERRIDE option to + change this behavior. + + In most cases, the command line (whether built-in or provided + by the boot loader) should specify the device for the root + file system. + +config CMDLINE_OVERRIDE + bool "Built-in command line overrides boot loader arguments" + default n + depends on CMDLINE_BOOL + help + Set this option to 'Y' to have the kernel ignore the boot loader + command line, and use ONLY the built-in command line. + + This is used to work around broken boot loaders. This should + be set to 'N' under normal conditions. + endmenu config ARCH_ENABLE_MEMORY_HOTPLUG diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 68b48e3fbcbd..2f31cddd27b7 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -223,6 +223,9 @@ unsigned long saved_video_mode; #define RAMDISK_LOAD_FLAG 0x4000 static char __initdata command_line[COMMAND_LINE_SIZE]; +#ifdef CONFIG_CMDLINE_BOOL +static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; +#endif #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE) struct edd edd; @@ -673,6 +676,19 @@ void __init setup_arch(char **cmdline_p) bss_resource.start = virt_to_phys(&__bss_start); bss_resource.end = virt_to_phys(&__bss_stop)-1; +#ifdef CONFIG_CMDLINE_BOOL +#ifdef CONFIG_CMDLINE_OVERRIDE + strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); +#else + if (builtin_cmdline[0]) { + /* append boot loader cmdline to builtin */ + strlcat(builtin_cmdline, " ", COMMAND_LINE_SIZE); + strlcat(builtin_cmdline, boot_command_line, COMMAND_LINE_SIZE); + strlcpy(boot_command_line, builtin_cmdline, COMMAND_LINE_SIZE); + } +#endif +#endif + strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; -- GitLab From 1ac2f7d55b7ee1613c90631e87fea22ec06781e5 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Mon, 4 Aug 2008 14:51:24 +0800 Subject: [PATCH 0362/6244] introduce two APIs for page attribute Introduce two APIs for page attribute. flushing tlb/cache in every page attribute is expensive. AGP gart usually will do a lot of operations to change a page to uc, new APIs can reduce flush. Signed-off-by: Shaohua Li Cc: airlied@linux.ie Cc: Andrew Morton Cc: Arjan van de Ven Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 58 +++++++++++++++++++++++++++++++----- include/asm-x86/cacheflush.h | 3 ++ 2 files changed, 53 insertions(+), 8 deletions(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 65c6e46bf059..2c5c18c2464d 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -752,12 +752,12 @@ static inline int cache_attr(pgprot_t attr) (_PAGE_PAT | _PAGE_PAT_LARGE | _PAGE_PWT | _PAGE_PCD); } -static int change_page_attr_set_clr(unsigned long addr, int numpages, +static int do_change_page_attr_set_clr(unsigned long addr, int numpages, pgprot_t mask_set, pgprot_t mask_clr, - int force_split) + int force_split, int *tlb_flush) { struct cpa_data cpa; - int ret, cache, checkalias; + int ret, checkalias; /* * Check, if we are requested to change a not supported @@ -792,9 +792,22 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages, /* * Check whether we really changed something: */ - if (!cpa.flushtlb) - goto out; + *tlb_flush = cpa.flushtlb; + cpa_fill_pool(NULL); + + return ret; +} + +static int change_page_attr_set_clr(unsigned long addr, int numpages, + pgprot_t mask_set, pgprot_t mask_clr, + int force_split) +{ + int cache, flush_cache = 0, ret; + ret = do_change_page_attr_set_clr(addr, numpages, mask_set, mask_clr, + force_split, &flush_cache); + if (!flush_cache) + goto out; /* * No need to flush, when we did not set any of the caching * attributes: @@ -811,10 +824,7 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages, cpa_flush_range(addr, numpages, cache); else cpa_flush_all(cache); - out: - cpa_fill_pool(NULL); - return ret; } @@ -852,6 +862,30 @@ int set_memory_uc(unsigned long addr, int numpages) } EXPORT_SYMBOL(set_memory_uc); +int set_memory_uc_noflush(unsigned long addr, int numpages) +{ + int flush; + /* + * for now UC MINUS. see comments in ioremap_nocache() + */ + if (reserve_memtype(addr, addr + numpages * PAGE_SIZE, + _PAGE_CACHE_UC_MINUS, NULL)) + return -EINVAL; + /* + * for now UC MINUS. see comments in ioremap_nocache() + */ + return do_change_page_attr_set_clr(addr, numpages, + __pgprot(_PAGE_CACHE_UC_MINUS), + __pgprot(0), 0, &flush); +} +EXPORT_SYMBOL(set_memory_uc_noflush); + +void set_memory_flush_all(void) +{ + cpa_flush_all(1); +} +EXPORT_SYMBOL(set_memory_flush_all); + int _set_memory_wc(unsigned long addr, int numpages) { return change_page_attr_set(addr, numpages, @@ -926,6 +960,14 @@ int set_pages_uc(struct page *page, int numpages) } EXPORT_SYMBOL(set_pages_uc); +int set_pages_uc_noflush(struct page *page, int numpages) +{ + unsigned long addr = (unsigned long)page_address(page); + + return set_memory_uc_noflush(addr, numpages); +} +EXPORT_SYMBOL(set_pages_uc_noflush); + int set_pages_wb(struct page *page, int numpages) { unsigned long addr = (unsigned long)page_address(page); diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index f4c0ab50d2c2..57bac7b68c46 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -57,6 +57,8 @@ int _set_memory_uc(unsigned long addr, int numpages); int _set_memory_wc(unsigned long addr, int numpages); int _set_memory_wb(unsigned long addr, int numpages); int set_memory_uc(unsigned long addr, int numpages); +int set_memory_uc_noflush(unsigned long addr, int numpages); +void set_memory_flush_all(void); int set_memory_wc(unsigned long addr, int numpages); int set_memory_wb(unsigned long addr, int numpages); int set_memory_x(unsigned long addr, int numpages); @@ -87,6 +89,7 @@ int set_memory_4k(unsigned long addr, int numpages); */ int set_pages_uc(struct page *page, int numpages); +int set_pages_uc_noflush(struct page *page, int numpages); int set_pages_wb(struct page *page, int numpages); int set_pages_x(struct page *page, int numpages); int set_pages_nx(struct page *page, int numpages); -- GitLab From 466ae837424dcc538b1af2a0eaf53be32edcdbe7 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Mon, 4 Aug 2008 14:51:30 +0800 Subject: [PATCH 0363/6244] reduce tlb/cache flush times of agpgart memory allocation To reduce tlb/cache flush, makes agp memory allocation do one flush after all pages in a region are changed to uc. All agp drivers except agp-sgi uses agp_generic_alloc_page() for .agp_alloc_page, so the patch should work for them. agp-sgi is only for ia64, so not a problem too. Signed-off-by: Shaohua Li Cc: airlied@linux.ie Cc: Andrew Morton Cc: Arjan van de Ven Signed-off-by: Ingo Molnar --- drivers/char/agp/agp.h | 4 ++++ drivers/char/agp/generic.c | 4 +++- include/asm-x86/agp.h | 3 +++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h index 81e14bea54bd..395168fb17e3 100644 --- a/drivers/char/agp/agp.h +++ b/drivers/char/agp/agp.h @@ -30,6 +30,10 @@ #define _AGP_BACKEND_PRIV_H 1 #include /* for flush_agp_cache() */ +#ifndef map_page_into_agp_noflush +#define map_page_into_agp_noflush(page) map_page_into_agp(page) +#define map_page_into_agp_global_flush() +#endif #define PFX "agpgart: " diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index eaa1a355bb32..bf239b8ecac5 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -274,6 +274,7 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge, new->memory[i] = virt_to_gart(addr); new->page_count++; } + map_page_into_agp_global_flush(); new->bridge = bridge; return new; @@ -1186,7 +1187,8 @@ void *agp_generic_alloc_page(struct agp_bridge_data *bridge) if (page == NULL) return NULL; - map_page_into_agp(page); + /* agp_allocate_memory will do flush */ + map_page_into_agp_noflush(page); get_page(page); atomic_inc(&agp_bridge->current_memory_agp); diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h index e4004a9f6a9a..181b9e984b3a 100644 --- a/include/asm-x86/agp.h +++ b/include/asm-x86/agp.h @@ -15,6 +15,9 @@ #define map_page_into_agp(page) set_pages_uc(page, 1) #define unmap_page_from_agp(page) set_pages_wb(page, 1) +#define map_page_into_agp_noflush(page) set_pages_uc_noflush(page, 1) +#define map_page_into_agp_global_flush() set_memory_flush_all() + /* * Could use CLFLUSH here if the cpu supports it. But then it would * need to be called for each cacheline of the whole page so it may -- GitLab From 2bd455dbfebfd632a8dcf1d3d1612737986fde0a Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Mon, 4 Aug 2008 11:26:38 +0800 Subject: [PATCH 0364/6244] x86: remove nesting CONFIG_HOTPLUG_CPU prefill_possible_map() is defined inside CONFIG_HOTPLUG_CPU, so the nesting CONFIG_HOTPLUG_CPU is just redundant. Signed-off-by: Li Zefan Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 332512767f4f..d5e19c362046 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1271,16 +1271,13 @@ __init void prefill_possible_map(void) if (!num_processors) num_processors = 1; -#ifdef CONFIG_HOTPLUG_CPU if (additional_cpus == -1) { if (disabled_cpus > 0) additional_cpus = disabled_cpus; else additional_cpus = 0; } -#else - additional_cpus = 0; -#endif + possible = num_processors + additional_cpus; if (possible > NR_CPUS) possible = NR_CPUS; -- GitLab From 020878ac427aa053414602cef975c2b5a2e33bf8 Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Sat, 2 Aug 2008 21:23:36 +0200 Subject: [PATCH 0365/6244] x86: coding style fixes to arch/x86/boot/compressed/misc.c Before: total: 4 errors, 6 warnings, 439 lines checked After: total: 1 errors, 5 warnings, 441 lines checked Before -#include +#include paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/misc.o.* 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.after 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.before After -#include +#include paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/misc.o.* 59a2d264284be5e72b5af4f3a8ccfb47 /tmp/misc.o.after 8b2394e1fe519a9542e9a7e3e7b69c39 /tmp/misc.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Ingo Molnar --- arch/x86/boot/compressed/misc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 9fea73706479..2a3f77e52e2d 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -27,7 +27,7 @@ #include #include #include -#include +#include #include #include #include @@ -251,7 +251,7 @@ static void __putstr(int error, const char *s) y--; } } else { - vidmem [(x + cols * y) * 2] = c; + vidmem[(x + cols * y) * 2] = c; if (++x >= cols) { x = 0; if (++y >= lines) { @@ -277,7 +277,8 @@ static void *memset(void *s, int c, unsigned n) int i; char *ss = s; - for (i = 0; i < n; i++) ss[i] = c; + for (i = 0; i < n; i++) + ss[i] = c; return s; } @@ -287,7 +288,8 @@ static void *memcpy(void *dest, const void *src, unsigned n) const char *s = src; char *d = dest; - for (i = 0; i < n; i++) d[i] = s[i]; + for (i = 0; i < n; i++) + d[i] = s[i]; return dest; } -- GitLab From 2070dae10f50ec244f58292436ace9a3f9dc1d71 Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Sat, 2 Aug 2008 21:24:06 +0200 Subject: [PATCH 0366/6244] x86: coding style fixes to arch/x86/kernel/bios_uv.c paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/bios_uv.o.* 9afe794594831166704744184e192ed8 /tmp/bios_uv.o.after 9afe794594831166704744184e192ed8 /tmp/bios_uv.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Ingo Molnar --- arch/x86/kernel/bios_uv.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index c639bd55391c..fdd585f9c53d 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -25,11 +25,11 @@ x86_bios_strerror(long status) { const char *str; switch (status) { - case 0: str = "Call completed without error"; break; - case -1: str = "Not implemented"; break; - case -2: str = "Invalid argument"; break; - case -3: str = "Call completed with error"; break; - default: str = "Unknown BIOS status code"; break; + case 0: str = "Call completed without error"; break; + case -1: str = "Not implemented"; break; + case -2: str = "Invalid argument"; break; + case -3: str = "Call completed with error"; break; + default: str = "Unknown BIOS status code"; break; } return str; } -- GitLab From 209b580fd8c3a42b69550c98de434671d41a4ebb Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Sat, 2 Aug 2008 21:24:45 +0200 Subject: [PATCH 0367/6244] x86: coding style fixes to arch/x86/lib/strstr_32.c Before: total: 3 errors, 0 warnings, 31 lines checked After: total: 0 errors, 0 warnings, 31 lines checked paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/strstr_32.o.* c96006ec3387862e5bacb139207a3098 /tmp/strstr_32.o.after c96006ec3387862e5bacb139207a3098 /tmp/strstr_32.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Ingo Molnar --- arch/x86/lib/strstr_32.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/lib/strstr_32.c b/arch/x86/lib/strstr_32.c index 42e8a50303f3..8e2d55f754bf 100644 --- a/arch/x86/lib/strstr_32.c +++ b/arch/x86/lib/strstr_32.c @@ -23,9 +23,9 @@ __asm__ __volatile__( "jne 1b\n\t" "xorl %%eax,%%eax\n\t" "2:" - :"=a" (__res), "=&c" (d0), "=&S" (d1) - :"0" (0), "1" (0xffffffff), "2" (cs), "g" (ct) - :"dx", "di"); + : "=a" (__res), "=&c" (d0), "=&S" (d1) + : "0" (0), "1" (0xffffffff), "2" (cs), "g" (ct) + : "dx", "di"); return __res; } -- GitLab From 3492cdf0176bde5e35223a1388d59676bc67c145 Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Sat, 2 Aug 2008 21:25:13 +0200 Subject: [PATCH 0368/6244] x86: coding style fixes to arch/x86/lib/string_32.c Before: total: 21 errors, 0 warnings, 237 lines checked After: total: 0 errors, 0 warnings, 237 lines checked paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/string_32.o.* c55d059ef1612b32a8bb2771a72ae0d5 /tmp/string_32.o.after c55d059ef1612b32a8bb2771a72ae0d5 /tmp/string_32.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Ingo Molnar --- arch/x86/lib/string_32.c | 42 ++++++++++++++++++++-------------------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/arch/x86/lib/string_32.c b/arch/x86/lib/string_32.c index 94972e7c094d..82004d2bf05e 100644 --- a/arch/x86/lib/string_32.c +++ b/arch/x86/lib/string_32.c @@ -22,7 +22,7 @@ char *strcpy(char *dest, const char *src) "testb %%al,%%al\n\t" "jne 1b" : "=&S" (d0), "=&D" (d1), "=&a" (d2) - :"0" (src), "1" (dest) : "memory"); + : "0" (src), "1" (dest) : "memory"); return dest; } EXPORT_SYMBOL(strcpy); @@ -42,7 +42,7 @@ char *strncpy(char *dest, const char *src, size_t count) "stosb\n" "2:" : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3) - :"0" (src), "1" (dest), "2" (count) : "memory"); + : "0" (src), "1" (dest), "2" (count) : "memory"); return dest; } EXPORT_SYMBOL(strncpy); @@ -60,7 +60,7 @@ char *strcat(char *dest, const char *src) "testb %%al,%%al\n\t" "jne 1b" : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3) - : "0" (src), "1" (dest), "2" (0), "3" (0xffffffffu): "memory"); + : "0" (src), "1" (dest), "2" (0), "3" (0xffffffffu) : "memory"); return dest; } EXPORT_SYMBOL(strcat); @@ -105,9 +105,9 @@ int strcmp(const char *cs, const char *ct) "2:\tsbbl %%eax,%%eax\n\t" "orb $1,%%al\n" "3:" - :"=a" (res), "=&S" (d0), "=&D" (d1) - :"1" (cs), "2" (ct) - :"memory"); + : "=a" (res), "=&S" (d0), "=&D" (d1) + : "1" (cs), "2" (ct) + : "memory"); return res; } EXPORT_SYMBOL(strcmp); @@ -130,9 +130,9 @@ int strncmp(const char *cs, const char *ct, size_t count) "3:\tsbbl %%eax,%%eax\n\t" "orb $1,%%al\n" "4:" - :"=a" (res), "=&S" (d0), "=&D" (d1), "=&c" (d2) - :"1" (cs), "2" (ct), "3" (count) - :"memory"); + : "=a" (res), "=&S" (d0), "=&D" (d1), "=&c" (d2) + : "1" (cs), "2" (ct), "3" (count) + : "memory"); return res; } EXPORT_SYMBOL(strncmp); @@ -152,9 +152,9 @@ char *strchr(const char *s, int c) "movl $1,%1\n" "2:\tmovl %1,%0\n\t" "decl %0" - :"=a" (res), "=&S" (d0) - :"1" (s), "0" (c) - :"memory"); + : "=a" (res), "=&S" (d0) + : "1" (s), "0" (c) + : "memory"); return res; } EXPORT_SYMBOL(strchr); @@ -169,9 +169,9 @@ size_t strlen(const char *s) "scasb\n\t" "notl %0\n\t" "decl %0" - :"=c" (res), "=&D" (d0) - :"1" (s), "a" (0), "0" (0xffffffffu) - :"memory"); + : "=c" (res), "=&D" (d0) + : "1" (s), "a" (0), "0" (0xffffffffu) + : "memory"); return res; } EXPORT_SYMBOL(strlen); @@ -189,9 +189,9 @@ void *memchr(const void *cs, int c, size_t count) "je 1f\n\t" "movl $1,%0\n" "1:\tdecl %0" - :"=D" (res), "=&c" (d0) - :"a" (c), "0" (cs), "1" (count) - :"memory"); + : "=D" (res), "=&c" (d0) + : "a" (c), "0" (cs), "1" (count) + : "memory"); return res; } EXPORT_SYMBOL(memchr); @@ -228,9 +228,9 @@ size_t strnlen(const char *s, size_t count) "cmpl $-1,%1\n\t" "jne 1b\n" "3:\tsubl %2,%0" - :"=a" (res), "=&d" (d0) - :"c" (s), "1" (count) - :"memory"); + : "=a" (res), "=&d" (d0) + : "c" (s), "1" (count) + : "memory"); return res; } EXPORT_SYMBOL(strnlen); -- GitLab From d9336a9b47d57db835453968efbd0d5cedfe0260 Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Sat, 2 Aug 2008 21:25:43 +0200 Subject: [PATCH 0369/6244] x86: coding style fixes to arch/x86/kernel/paravirt_patch_32.c Before: total: 3 errors, 1 warnings, 49 lines checked After: total: 2 errors, 1 warnings, 49 lines checked paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/paravirt_patch_32.o.* a78eea4264723e18c49dcfbe0ee0aae7 /tmp/paravirt_patch_32.o.after a78eea4264723e18c49dcfbe0ee0aae7 /tmp/paravirt_patch_32.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Ingo Molnar --- arch/x86/kernel/paravirt_patch_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/paravirt_patch_32.c b/arch/x86/kernel/paravirt_patch_32.c index 58262218781b..9fe644f4861d 100644 --- a/arch/x86/kernel/paravirt_patch_32.c +++ b/arch/x86/kernel/paravirt_patch_32.c @@ -23,7 +23,7 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf, start = start_##ops##_##x; \ end = end_##ops##_##x; \ goto patch_site - switch(type) { + switch (type) { PATCH_SITE(pv_irq_ops, irq_disable); PATCH_SITE(pv_irq_ops, irq_enable); PATCH_SITE(pv_irq_ops, restore_fl); -- GitLab From ff9cf2ce7afe76435d66c898cc9dacaa68e79d41 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 1 Aug 2008 14:10:02 -0700 Subject: [PATCH 0370/6244] rcu: fixes to include/linux/rcupreempt.h Hello! Compared tip/core/rcu to my latest patchset, and found the following issues: o the memory barrier in rcu_exit_nohz() somehow got out of place (it is correct in mainline as of 2.6.26-rc7). o There is a duplicate declaration of rcu_dyntick_sched. The attached patch fixes these. Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- include/linux/rcupreempt.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h index 0967f03b0705..addb5e282f39 100644 --- a/include/linux/rcupreempt.h +++ b/include/linux/rcupreempt.h @@ -111,7 +111,6 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu); struct softirq_action; #ifdef CONFIG_NO_HZ -DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched); static inline void rcu_enter_nohz(void) { @@ -126,8 +125,8 @@ static inline void rcu_exit_nohz(void) { static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1); - smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ __get_cpu_var(rcu_dyntick_sched).dynticks++; + smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1), &rs); } -- GitLab From 34d7c2b38d124219b7034356716e3455c439acd3 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 1 Aug 2008 14:11:05 -0700 Subject: [PATCH 0371/6244] rcu: remove list_for_each_rcu() All of the in-tree uses of list_for_each_rcu() have been converted to list_for_each_entry_rcu(), so list_for_each_rcu() can now be removed. Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- Documentation/RCU/checklist.txt | 2 +- Documentation/RCU/whatisRCU.txt | 2 -- include/linux/rculist.h | 14 -------------- 3 files changed, 1 insertion(+), 17 deletions(-) diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt index cf5562cbe356..6e253407b3dc 100644 --- a/Documentation/RCU/checklist.txt +++ b/Documentation/RCU/checklist.txt @@ -210,7 +210,7 @@ over a rather long period of time, but improvements are always welcome! number of updates per grace period. 9. All RCU list-traversal primitives, which include - rcu_dereference(), list_for_each_rcu(), list_for_each_entry_rcu(), + rcu_dereference(), list_for_each_entry_rcu(), list_for_each_continue_rcu(), and list_for_each_safe_rcu(), must be either within an RCU read-side critical section or must be protected by appropriate update-side locks. RCU diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt index e04d643a9f57..96170824a717 100644 --- a/Documentation/RCU/whatisRCU.txt +++ b/Documentation/RCU/whatisRCU.txt @@ -786,8 +786,6 @@ RCU pointer/list traversal: list_for_each_entry_rcu hlist_for_each_entry_rcu - list_for_each_rcu (to be deprecated in favor of - list_for_each_entry_rcu) list_for_each_continue_rcu (to be deprecated in favor of new list_for_each_entry_continue_rcu) diff --git a/include/linux/rculist.h b/include/linux/rculist.h index eb4443c7e05b..e649bd3f2c97 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h @@ -198,20 +198,6 @@ static inline void list_splice_init_rcu(struct list_head *list, at->prev = last; } -/** - * list_for_each_rcu - iterate over an rcu-protected list - * @pos: the &struct list_head to use as a loop cursor. - * @head: the head for your list. - * - * This list-traversal primitive may safely run concurrently with - * the _rcu list-mutation primitives such as list_add_rcu() - * as long as the traversal is guarded by rcu_read_lock(). - */ -#define list_for_each_rcu(pos, head) \ - for (pos = rcu_dereference((head)->next); \ - prefetch(pos->next), pos != (head); \ - pos = rcu_dereference(pos->next)) - #define __list_for_each_rcu(pos, head) \ for (pos = rcu_dereference((head)->next); \ pos != (head); \ -- GitLab From 07dd20e0324f4d3e33bde1944d4f7771a09c498c Mon Sep 17 00:00:00 2001 From: Richard Kennedy Date: Fri, 1 Aug 2008 13:18:04 +0100 Subject: [PATCH 0372/6244] sched: reorder signal_struct to remove 8 bytes on 64 bit builds reorder structure to remove 8 bytes of padding on 64 bit builds Signed-off-by: Richard Kennedy Signed-off-by: Ingo Molnar --- include/linux/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index cfb0d87b99fc..5a8058e44f58 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -451,8 +451,8 @@ struct signal_struct { * - everyone except group_exit_task is stopped during signal delivery * of fatal signals, group_exit_task processes the signal. */ - struct task_struct *group_exit_task; int notify_count; + struct task_struct *group_exit_task; /* thread group stop support, overloads group_exit_code too */ int group_stop_count; -- GitLab From bee367ed066e26c14263d808136fba8eec3bd70a Mon Sep 17 00:00:00 2001 From: Richard Kennedy Date: Fri, 1 Aug 2008 13:24:08 +0100 Subject: [PATCH 0373/6244] sched: reorder struct sched_rt_entity to remove padding on 64 bit builds remove 8 bytes of padding on 64 bit builds (also removes 8 bytes from task_struct) Signed-off-by: Richard Kennedy Signed-off-by: Ingo Molnar --- include/linux/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 5a8058e44f58..08a87b5f29e1 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1010,8 +1010,8 @@ struct sched_entity { struct sched_rt_entity { struct list_head run_list; - unsigned int time_slice; unsigned long timeout; + unsigned int time_slice; int nr_cpus_allowed; struct sched_rt_entity *back; -- GitLab From 3fb669dd6ec11e14819c0114a0e68a9ddcec65e1 Mon Sep 17 00:00:00 2001 From: Richard Kennedy Date: Fri, 1 Aug 2008 13:36:28 +0100 Subject: [PATCH 0374/6244] reorder struct prop_local_single to remove padding on 64 bit builds reorder structure to remove 8 bytes of padding on 64 bit builds (also removes 8 bytes from task_struct) Signed-off-by: Richard Kennedy Cc: peterz@infradead.org Signed-off-by: Ingo Molnar --- include/linux/proportions.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/proportions.h b/include/linux/proportions.h index 5afc1b23346d..cf793bbbd05e 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -104,8 +104,8 @@ struct prop_local_single { * snapshot of the last seen global state * and a lock protecting this state */ - int shift; unsigned long period; + int shift; spinlock_t lock; /* protect the snapshot state */ }; -- GitLab From d33dcb9e7d272cc3171dcc3a21049902185ab03d Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Fri, 1 Aug 2008 12:46:45 +0200 Subject: [PATCH 0375/6244] x86: Microcode patch loader style corrections Style corrections to main microcode module. Signed-off-by: Peter Oruba Cc: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 28dba1a6e4aa..39961bb83293 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -55,8 +55,8 @@ * in a single CPU package. * 1.10 28 Feb 2002 Asit K Mallick and * Tigran Aivazian , - * Serialize updates as required on HT processors due to speculative - * nature of implementation. + * Serialize updates as required on HT processors due to + * speculative nature of implementation. * 1.11 22 Mar 2002 Tigran Aivazian * Fix the panic when writing zero-length microcode chunk. * 1.12 29 Sep 2003 Nitin Kamble , @@ -71,7 +71,7 @@ * Thanks to Stuart Swales for pointing out this bug. */ -//#define DEBUG /* pr_debug */ +/*#define DEBUG pr_debug */ #include #include #include @@ -116,7 +116,7 @@ EXPORT_SYMBOL_GPL(user_buffer); unsigned int user_buffer_size; /* it's size */ EXPORT_SYMBOL_GPL(user_buffer_size); -static int do_microcode_update (void) +static int do_microcode_update(void) { long cursor = 0; int error = 0; @@ -158,18 +158,20 @@ out: return error; } -static int microcode_open (struct inode *unused1, struct file *unused2) +static int microcode_open(struct inode *unused1, struct file *unused2) { cycle_kernel_lock(); return capable(CAP_SYS_RAWIO) ? 0 : -EPERM; } -static ssize_t microcode_write (struct file *file, const char __user *buf, size_t len, loff_t *ppos) +static ssize_t microcode_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) { ssize_t ret; if ((len >> PAGE_SHIFT) > num_physpages) { - printk(KERN_ERR "microcode: too much data (max %ld pages)\n", num_physpages); + printk(KERN_ERR "microcode: too much data (max %ld pages)\n", + num_physpages); return -EINVAL; } @@ -201,7 +203,7 @@ static struct miscdevice microcode_dev = { .fops = µcode_fops, }; -static int __init microcode_dev_init (void) +static int __init microcode_dev_init(void) { int error; @@ -216,7 +218,7 @@ static int __init microcode_dev_init (void) return 0; } -static void microcode_dev_exit (void) +static void microcode_dev_exit(void) { misc_deregister(µcode_dev); } @@ -224,7 +226,7 @@ static void microcode_dev_exit (void) MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); #else #define microcode_dev_init() 0 -#define microcode_dev_exit() do { } while(0) +#define microcode_dev_exit() do { } while (0) #endif /* fake device for request_firmware */ @@ -451,7 +453,7 @@ int microcode_init(void *opaque, struct module *module) } EXPORT_SYMBOL_GPL(microcode_init); -void __exit microcode_exit (void) +void __exit microcode_exit(void) { microcode_dev_exit(); -- GitLab From 636a31781684d0f49208aa163f1a5a3a74210eb4 Mon Sep 17 00:00:00 2001 From: Peter Oruba Date: Fri, 1 Aug 2008 12:46:46 +0200 Subject: [PATCH 0376/6244] x86: Fixed NULL function pointer dereference in AMD microcode patch loader. Dereference took place in code part responsible for manual installation of microcode patches through /dev/cpu/microcode. Signed-off-by: Peter Oruba Cc: Peter Oruba Cc: Tigran Aivazian Signed-off-by: Ingo Molnar --- arch/x86/kernel/microcode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 39961bb83293..ad136ad99cb3 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -127,7 +127,8 @@ static int do_microcode_update(void) old = current->cpus_allowed; while ((cursor = microcode_ops->get_next_ucode(&new_mc, cursor)) > 0) { - error = microcode_ops->microcode_sanity_check(new_mc); + if (microcode_ops->microcode_sanity_check != NULL) + error = microcode_ops->microcode_sanity_check(new_mc); if (error) goto out; /* -- GitLab From 5843d9a4d0ba89719916c8f07fc9c57b7126be6d Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Fri, 1 Aug 2008 03:15:21 +0200 Subject: [PATCH 0377/6244] x86, pat: avoid highmem cache attribute aliasing Highmem code can leave ptes and tlb entries around for a given page even after kunmap, and after it has been freed. >From what I can gather, the PAT code may change the cache attributes of arbitrary physical addresses (ie. including highmem pages), which would result in aliases in the case that it operates on one of these lazy tlb highmem pages. Flushing kmaps should solve the problem. I've also just added code for conditional flushing if we haven't got any dangling highmem aliases -- this should help performance if we change page attributes frequently or systems that aren't using much highmem pages (eg. if < 4G RAM). Should be turned into 2 patches, but just for RFC... Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 3 +++ mm/highmem.c | 5 ++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 2c5c18c2464d..4adb33628dec 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -777,6 +777,9 @@ static int do_change_page_attr_set_clr(unsigned long addr, int numpages, WARN_ON_ONCE(1); } + /* Must avoid aliasing mappings in the highmem code */ + kmap_flush_unused(); + cpa.vaddr = addr; cpa.numpages = numpages; cpa.mask_set = mask_set; diff --git a/mm/highmem.c b/mm/highmem.c index e16e1523b688..b36b83b920ff 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -70,6 +70,7 @@ static DECLARE_WAIT_QUEUE_HEAD(pkmap_map_wait); static void flush_all_zero_pkmaps(void) { int i; + int need_flush = 0; flush_cache_kmaps(); @@ -101,8 +102,10 @@ static void flush_all_zero_pkmaps(void) &pkmap_page_table[i]); set_page_address(page, NULL); + need_flush = 1; } - flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); + if (need_flush) + flush_tlb_kernel_range(PKMAP_ADDR(0), PKMAP_ADDR(LAST_PKMAP)); } /** -- GitLab From c9c3dddd8f9a05b25d4ce53e8e80cc0ea1759d18 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 1 Aug 2008 03:51:38 +0400 Subject: [PATCH 0378/6244] x86_64: remove empty lines from stack traces/oopses Signed-off-by: Alexey Dobriyan Cc: ak@suse.de Cc: akpm@osdl.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 3f18d73f420c..8b5b3b81d437 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -339,9 +339,8 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, unsigned long bp, char *log_lvl) { - printk("\nCall Trace:\n"); + printk("Call Trace:\n"); dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); - printk("\n"); } void show_trace(struct task_struct *task, struct pt_regs *regs, @@ -386,6 +385,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, printk(" %016lx", *stack++); touch_nmi_watchdog(); } + printk("\n"); show_trace_log_lvl(task, regs, sp, bp, log_lvl); } @@ -443,7 +443,6 @@ void show_registers(struct pt_regs *regs) printk("Stack: "); show_stack_log_lvl(NULL, regs, (unsigned long *)sp, regs->bp, ""); - printk("\n"); printk(KERN_EMERG "Code: "); -- GitLab From dd0078f4f04d939950a792c493d7d97d7ce663b8 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 30 Jul 2008 14:20:54 -0400 Subject: [PATCH 0379/6244] rcu: just rename call_rcu_bh instead of making it a macro Seems that I found a box that has a config that passes call_rcu_bh as a function pointer (see net/sctp/sm_make_chunk.c), so declaring the call_rcu_bh has a macro function isn't good enough. This patch makes it just another name of call_rcu for rcupreempt. Signed-off-by: Steven Rostedt Reviewed-by: "Paul E. McKenney" Signed-off-by: Ingo Molnar --- include/linux/rcupreempt.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h index addb5e282f39..3e05c09b54a2 100644 --- a/include/linux/rcupreempt.h +++ b/include/linux/rcupreempt.h @@ -57,7 +57,13 @@ static inline void rcu_qsctr_inc(int cpu) rdssp->sched_qs++; } #define rcu_bh_qsctr_inc(cpu) -#define call_rcu_bh(head, rcu) call_rcu(head, rcu) + +/* + * Someone might want to pass call_rcu_bh as a function pointer. + * So this needs to just be a rename and not a macro function. + * (no parentheses) + */ +#define call_rcu_bh call_rcu /** * call_rcu_sched - Queue RCU callback for invocation after sched grace period. -- GitLab From 5802294f1b1895ee19a3d0ae72805da453afb9de Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 30 Jul 2008 14:20:55 -0400 Subject: [PATCH 0380/6244] rcu: trace fix possible mem-leak In the initialization of the RCU trace module, if rcupreempt_debugfs_init() fails, we never free the the trace buffer. This patch frees the trace buffer in case the debugfs fails. Signed-off-by: Steven Rostedt Reviewed-by: "Paul E. McKenney" Signed-off-by: Ingo Molnar --- kernel/rcupreempt_trace.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/kernel/rcupreempt_trace.c b/kernel/rcupreempt_trace.c index 5edf82c34bbc..35c2d3360ecf 100644 --- a/kernel/rcupreempt_trace.c +++ b/kernel/rcupreempt_trace.c @@ -308,11 +308,16 @@ out: static int __init rcupreempt_trace_init(void) { + int ret; + mutex_init(&rcupreempt_trace_mutex); rcupreempt_trace_buf = kmalloc(RCUPREEMPT_TRACE_BUF_SIZE, GFP_KERNEL); if (!rcupreempt_trace_buf) return 1; - return rcupreempt_debugfs_init(); + ret = rcupreempt_debugfs_init(); + if (ret) + kfree(rcupreempt_trace_buf); + return ret; } static void __exit rcupreempt_trace_cleanup(void) -- GitLab From 48e2bd56b1d1ae4b95fb21be778927b64d5c4235 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Sat, 2 Aug 2008 12:50:37 -0300 Subject: [PATCH 0381/6244] x86: coding style fixes to arch/x86/kernel/traps_64.c Fix coding style of traps_64.c with improvements suggested by Ingo. Signed-off-by: Gustavo F. Padovan Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index fe36d96ba70b..5df5d2e97ece 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -84,8 +84,8 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) void printk_address(unsigned long address, int reliable) { - printk(" [<%016lx>] %s%pS\n", address, reliable ? - "" : "? ", (void *) address); + printk(" [<%016lx>] %s%pS\n", + address, reliable ? "" : "? ", (void *) address); } static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, @@ -98,8 +98,8 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, [STACKFAULT_STACK - 1] = "#SS", [MCE_STACK - 1] = "#MC", #if DEBUG_STKSZ > EXCEPTION_STKSZ - [N_EXCEPTION_STACKS ... N_EXCEPTION_STACKS + DEBUG_STKSZ / - EXCEPTION_STKSZ - 2] = "#DB[?]" + [N_EXCEPTION_STACKS ... + N_EXCEPTION_STACKS + DEBUG_STKSZ / EXCEPTION_STKSZ - 2] = "#DB[?]" #endif }; unsigned k; @@ -363,8 +363,10 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *irqstack = (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); - /* debugging aid: "show_stack(NULL, NULL);" prints the - back trace for this cpu. */ + /* + * debugging aid: "show_stack(NULL, NULL);" prints the + * back trace for this cpu. + */ if (sp == NULL) { if (task) -- GitLab From f88f07e0f0fd6376e081b10930d272a08fbf082f Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Thu, 14 Aug 2008 16:58:15 -0400 Subject: [PATCH 0382/6244] x86: alternatives : fix LOCK_PREFIX race with preemptible kernel and CPU hotplug MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If a kernel thread is preempted in single-cpu mode right after the NOP (nop about to be turned into a lock prefix), then we CPU hotplug a CPU, and then the thread is scheduled back again, a SMP-unsafe atomic operation will be used on shared SMP variables, leading to corruption. No corruption would happen in the reverse case : going from SMP to UP is ok because we split a bit instruction into tiny pieces, which does not present this condition. Changing the 0x90 (single-byte nop) currently used into a 0x3E DS segment override prefix should fix this issue. Since the default of the atomic instructions is to use the DS segment anyway, it should not affect the behavior. The exception to this are references that use ESP/RSP and EBP/RBP as the base register (they will use the SS segment), however, in Linux (a) DS == SS at all times, and (b) we do not distinguish between segment violations reported as #SS as opposed to #GP, so there is no need to disassemble the instruction to figure out the suitable segment. This patch assumes that the 0x3E prefix will leave atomic operations as-is (thus assuming they normally touch data in the DS segment). Since there seem to be no obvious ill-use of other segment override prefixes for atomic operations, it should be safe. It can be verified with a quick grep -r LOCK_PREFIX include/asm-x86/ grep -A 1 -r LOCK_PREFIX arch/x86/ Taken from This source : AMD64 Architecture Programmer's Manual Volume 3: General-Purpose and System Instructions States "Instructions that Reference a Non-Stack Segment—If an instruction encoding references any base register other than rBP or rSP, or if an instruction contains an immediate offset, the default segment is the data segment (DS). These instructions can use the segment-override prefix to select one of the non-default segments, as shown in Table 1-5." Therefore, forcing the DS segment on the atomic operations, which already use the DS segment, should not change. This source : http://wiki.osdev.org/X86_Instruction_Encoding States "In 64-bit the CS, SS, DS and ES segment overrides are ignored." Confirmed by "AMD 64-Bit Technology" A.7 http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/x86-64_overview.pdf "In 64-bit mode, the DS, ES, SS and CS segment-override prefixes have no effect. These four prefixes are no longer treated as segment-override prefixes in the context of multipleprefix rules. Instead, they are treated as null prefixes." This patch applies to 2.6.27-rc2, but would also have to be applied to earlier kernels (2.6.26, 2.6.25, ...). Performance impact of the fix : tests done on "xaddq" and "xaddl" shows it actually improves performances on Intel Xeon, AMD64, Pentium M. It does not change the performance on Pentium II, Pentium 3 and Pentium 4. Xeon E5405 2.0GHz : NR_TESTS 10000000 test empty cycles : 162207948 test test 1-byte nop xadd cycles : 170755422 test test DS override prefix xadd cycles : 170000118 * test test LOCK xadd cycles : 472012134 AMD64 2.0GHz : NR_TESTS 10000000 test empty cycles : 146674549 test test 1-byte nop xadd cycles : 150273860 test test DS override prefix xadd cycles : 149982382 * test test LOCK xadd cycles : 270000690 Pentium 4 3.0GHz NR_TESTS 10000000 test empty cycles : 290001195 test test 1-byte nop xadd cycles : 310000560 test test DS override prefix xadd cycles : 310000575 * test test LOCK xadd cycles : 1050103740 Pentium M 2.0GHz NR_TESTS 10000000 test empty cycles : 180000523 test test 1-byte nop xadd cycles : 320000345 test test DS override prefix xadd cycles : 310000374 * test test LOCK xadd cycles : 480000357 Pentium 3 550MHz NR_TESTS 10000000 test empty cycles : 510000231 test test 1-byte nop xadd cycles : 620000128 test test DS override prefix xadd cycles : 620000110 * test test LOCK xadd cycles : 800000088 Pentium II 350MHz NR_TESTS 10000000 test empty cycles : 200833494 test test 1-byte nop xadd cycles : 340000130 test test DS override prefix xadd cycles : 340000126 * test test LOCK xadd cycles : 530000078 Speed test modules can be found at http://ltt.polymtl.ca/svn/trunk/tests/kernel/test-prefix-speed-32.c http://ltt.polymtl.ca/svn/trunk/tests/kernel/test-prefix-speed.c Macro-benchmarks 2.0GHz E5405 Core 2 dual Quad-Core Xeon Summary * replace smp lock prefixes with DS segment selector prefixes no lock prefix (s) with lock prefix (s) Speedup make -j1 kernel/ 33.94 +/- 0.07 34.91 +/- 0.27 2.8 % hackbench 50 2.99 +/- 0.01 3.74 +/- 0.01 25.1 % * replace smp lock prefixes with 0x90 nops no lock prefix (s) with lock prefix (s) Speedup make -j1 kernel/ 34.16 +/- 0.32 34.91 +/- 0.27 2.2 % hackbench 50 3.00 +/- 0.01 3.74 +/- 0.01 24.7 % Detail : 1 CPU, replace smp lock prefixes with DS segment selector prefixes make -j1 kernel/ real 0m34.067s user 0m30.630s sys 0m2.980s real 0m33.867s user 0m30.582s sys 0m3.024s real 0m33.939s user 0m30.738s sys 0m2.876s real 0m33.913s user 0m30.806s sys 0m2.808s avg : 33.94s std. dev. : 0.07s hackbench 50 Time: 2.978 Time: 2.982 Time: 3.010 Time: 2.984 Time: 2.982 avg : 2.99 std. dev. : 0.01 1 CPU, noreplace-smp make -j1 kernel/ real 0m35.326s user 0m30.630s sys 0m3.260s real 0m34.325s user 0m30.802s sys 0m3.084s real 0m35.568s user 0m30.722s sys 0m3.168s real 0m34.435s user 0m30.886s sys 0m2.996s avg.: 34.91s std. dev. : 0.27s hackbench 50 Time: 3.733 Time: 3.750 Time: 3.761 Time: 3.737 Time: 3.741 avg : 3.74 std. dev. : 0.01 1 CPU, replace smp lock prefixes with 0x90 nops make -j1 kernel/ real 0m34.139s user 0m30.782s sys 0m2.820s real 0m34.010s user 0m30.630s sys 0m2.976s real 0m34.777s user 0m30.658s sys 0m2.916s real 0m33.924s user 0m30.634s sys 0m2.924s real 0m33.962s user 0m30.774s sys 0m2.800s real 0m34.141s user 0m30.770s sys 0m2.828s avg : 34.16 std. dev. : 0.32 hackbench 50 Time: 2.999 Time: 2.994 Time: 3.004 Time: 2.991 Time: 2.988 avg : 3.00 std. dev. : 0.01 I did more runs (20 runs of each) to compare the nop case to the DS prefix case. Results in seconds. They actually does not seems to show a significant difference. NOP 34.155 33.955 34.012 35.299 35.679 34.141 33.995 35.016 34.254 33.957 33.957 34.008 35.013 34.494 33.893 34.295 34.314 34.854 33.991 34.132 DS 34.080 34.304 34.374 35.095 34.291 34.135 33.940 34.208 35.276 34.288 33.861 33.898 34.610 34.709 33.851 34.256 35.161 34.283 33.865 35.078 Used http://www.graphpad.com/quickcalcs/ttest1.cfm?Format=C to do the T-test (yeah, I'm lazy) : Group Group One (DS prefix) Group Two (nops) Mean 34.37815 34.37070 SD 0.46108 0.51905 SEM 0.10310 0.11606 N 20 20 P value and statistical significance: The two-tailed P value equals 0.9620 By conventional criteria, this difference is considered to be not statistically significant. Confidence interval: The mean of Group One minus Group Two equals 0.00745 95% confidence interval of this difference: From -0.30682 to 0.32172 Intermediate values used in calculations: t = 0.0480 df = 38 standard error of difference = 0.155 So, unless these calculus are completely bogus, the difference between the nop and the DS case seems not to be statistically significant. Signed-off-by: Mathieu Desnoyers Acked-by: H. Peter Anvin CC: Linus Torvalds CC: Jeremy Fitzhardinge CC: Roland McGrath CC: Ingo Molnar Cc: Steven Rostedt CC: Steven Rostedt CC: Thomas Gleixner CC: Peter Zijlstra CC: Andrew Morton CC: David Miller CC: Ulrich Drepper CC: Rusty Russell CC: Gregory Haskins CC: Arnaldo Carvalho de Melo CC: "Luis Claudio R. Goncalves" CC: Clark Williams CC: Christoph Lameter CC: Andi Kleen CC: Harvey Harrison Signed-off-by: H. Peter Anvin --- arch/x86/kernel/alternative.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 2763cb37b553..7ead11f3732d 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -241,25 +241,25 @@ static void alternatives_smp_lock(u8 **start, u8 **end, u8 *text, u8 *text_end) continue; if (*ptr > text_end) continue; - text_poke(*ptr, ((unsigned char []){0xf0}), 1); /* add lock prefix */ + /* turn DS segment override prefix into lock prefix */ + text_poke(*ptr, ((unsigned char []){0xf0}), 1); }; } static void alternatives_smp_unlock(u8 **start, u8 **end, u8 *text, u8 *text_end) { u8 **ptr; - char insn[1]; if (noreplace_smp) return; - add_nops(insn, 1); for (ptr = start; ptr < end; ptr++) { if (*ptr < text) continue; if (*ptr > text_end) continue; - text_poke(*ptr, insn, 1); + /* turn lock prefix into DS segment override prefix */ + text_poke(*ptr, ((unsigned char []){0x3E}), 1); }; } -- GitLab From 1f49a2c2aeb22d5abc6d4ea574ff63d37ca55fbe Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 15 Aug 2008 12:45:09 -0400 Subject: [PATCH 0383/6244] x86: revert replace LOCK_PREFIX in futex.h Since we now use DS prefixes instead of NOP to remove LOCK prefixes, there are no longer any issues with instruction boundaries moving around. Depends on : x86 alternatives : fix LOCK_PREFIX race with preemptible kernel and CPU hotplug On Thu, 14 Aug 2008, Mathieu Desnoyers wrote: > > Changing the 0x90 (single-byte nop) currently used into a 0x3E DS segment > override prefix should fix this issue. Since the default of the atomic > instructions is to use the DS segment anyway, it should not affect the > behavior. Ok, so I think this is an _excellent_ patch, but I'd like to also then use LOCK_PREFIX in include/asm-x86/futex.h. See commit 9d55b9923a1b7ea8193b8875c57ec940dc2ff027. Linus Applies to 2.6.27-rc2 (and -rc3 unless hell broke loose in futex.h between rc2 and rc3). Signed-off-by: Mathieu Desnoyers CC: Linus Torvalds CC: H. Peter Anvin CC: Jeremy Fitzhardinge CC: Roland McGrath CC: Ingo Molnar Cc: Steven Rostedt CC: Steven Rostedt CC: Thomas Gleixner CC: Peter Zijlstra CC: Andrew Morton CC: David Miller CC: Ulrich Drepper CC: Rusty Russell CC: Gregory Haskins CC: Arnaldo Carvalho de Melo CC: "Luis Claudio R. Goncalves" CC: Clark Williams CC: Christoph Lameter CC: Andi Kleen CC: Harvey Harrison Signed-off-by: H. Peter Anvin --- include/asm-x86/futex.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h index e7a76b37b333..d1b988ce080a 100644 --- a/include/asm-x86/futex.h +++ b/include/asm-x86/futex.h @@ -25,7 +25,7 @@ asm volatile("1:\tmovl %2, %0\n" \ "\tmovl\t%0, %3\n" \ "\t" insn "\n" \ - "2:\tlock; cmpxchgl %3, %2\n" \ + "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \ "\tjnz\t1b\n" \ "3:\t.section .fixup,\"ax\"\n" \ "4:\tmov\t%5, %1\n" \ @@ -64,7 +64,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); break; case FUTEX_OP_ADD: - __futex_atomic_op1("lock; xaddl %0, %2", ret, oldval, + __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval, uaddr, oparg); break; case FUTEX_OP_OR: @@ -122,7 +122,7 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; - asm volatile("1:\tlock; cmpxchgl %3, %1\n" + asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %3, %1\n" "2:\t.section .fixup, \"ax\"\n" "3:\tmov %2, %0\n" "\tjmp 2b\n" -- GitLab From 5bbd4c3724008c93cf3efdfc38a3402e245ab506 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 15 Aug 2008 12:56:59 -0400 Subject: [PATCH 0384/6244] x86: spinlock use LOCK_PREFIX Since we are now using DS prefixes instead of NOP to remove LOCK prefixes, there is no longer any problems with instruction boundaries moving around. * Linus Torvalds (torvalds@linux-foundation.org) wrote: > > > On Thu, 14 Aug 2008, Mathieu Desnoyers wrote: > > > > Changing the 0x90 (single-byte nop) currently used into a 0x3E DS segment > > override prefix should fix this issue. Since the default of the atomic > > instructions is to use the DS segment anyway, it should not affect the > > behavior. > > Ok, so I think this is an _excellent_ patch, but I'd like to also then use > LOCK_PREFIX in include/asm-x86/futex.h. > > See commit 9d55b9923a1b7ea8193b8875c57ec940dc2ff027. > > Linus Unless there a rationale for this, I think these be changed to LOCK_PREFIX too. grep "lock ;" include/asm-x86/spinlock.h "lock ; cmpxchgw %w1,%2\n\t" asm volatile("lock ; xaddl %0, %1\n" "lock ; cmpxchgl %1,%2\n\t" Applies to 2.6.27-rc2. Signed-off-by: Mathieu Desnoyers Acked-by: Linus Torvalds CC: Linus Torvalds CC: H. Peter Anvin CC: Jeremy Fitzhardinge CC: Roland McGrath CC: Ingo Molnar Cc: Steven Rostedt CC: Steven Rostedt CC: Thomas Gleixner CC: Peter Zijlstra CC: Andrew Morton CC: David Miller CC: Ulrich Drepper CC: Rusty Russell CC: Gregory Haskins CC: Arnaldo Carvalho de Melo CC: "Luis Claudio R. Goncalves" CC: Clark Williams CC: Christoph Lameter CC: Andi Kleen CC: Harvey Harrison Signed-off-by: H. Peter Anvin --- include/asm-x86/spinlock.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h index 4f9a9861799a..0b4d59a93d23 100644 --- a/include/asm-x86/spinlock.h +++ b/include/asm-x86/spinlock.h @@ -97,7 +97,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock) "jne 1f\n\t" "movw %w0,%w1\n\t" "incb %h1\n\t" - "lock ; cmpxchgw %w1,%2\n\t" + LOCK_PREFIX "cmpxchgw %w1,%2\n\t" "1:" "sete %b1\n\t" "movzbl %b1,%0\n\t" @@ -135,7 +135,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock) int inc = 0x00010000; int tmp; - asm volatile("lock ; xaddl %0, %1\n" + asm volatile(LOCK_PREFIX "xaddl %0, %1\n" "movzwl %w0, %2\n\t" "shrl $16, %0\n\t" "1:\t" @@ -162,7 +162,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock) "cmpl %0,%1\n\t" "jne 1f\n\t" "addl $0x00010000, %1\n\t" - "lock ; cmpxchgl %1,%2\n\t" + LOCK_PREFIX "cmpxchgl %1,%2\n\t" "1:" "sete %b1\n\t" "movzbl %b1,%0\n\t" -- GitLab From e6cf5df1838c28bb060ac45b5585e48e71bbc740 Mon Sep 17 00:00:00 2001 From: frans Date: Fri, 15 Aug 2008 23:14:31 +0200 Subject: [PATCH 0385/6244] [MTD] [NAND] nand_ecc.c: rewrite for improved performance This patch improves the performance of the ecc generation code by a factor of 18 on an INTEL D920 CPU, a factor of 7 on MIPS and a factor of 5 on ARM (NSLU2) Signed-off-by: Frans Meulenbroeks Signed-off-by: David Woodhouse --- Documentation/mtd/nand_ecc.txt | 714 +++++++++++++++++++++++++++++++++ drivers/mtd/nand/nand_ecc.c | 496 +++++++++++++++++------ 2 files changed, 1086 insertions(+), 124 deletions(-) create mode 100644 Documentation/mtd/nand_ecc.txt diff --git a/Documentation/mtd/nand_ecc.txt b/Documentation/mtd/nand_ecc.txt new file mode 100644 index 000000000000..bdf93b7f0f24 --- /dev/null +++ b/Documentation/mtd/nand_ecc.txt @@ -0,0 +1,714 @@ +Introduction +============ + +Having looked at the linux mtd/nand driver and more specific at nand_ecc.c +I felt there was room for optimisation. I bashed the code for a few hours +performing tricks like table lookup removing superfluous code etc. +After that the speed was increased by 35-40%. +Still I was not too happy as I felt there was additional room for improvement. + +Bad! I was hooked. +I decided to annotate my steps in this file. Perhaps it is useful to someone +or someone learns something from it. + + +The problem +=========== + +NAND flash (at least SLC one) typically has sectors of 256 bytes. +However NAND flash is not extremely reliable so some error detection +(and sometimes correction) is needed. + +This is done by means of a Hamming code. I'll try to explain it in +laymans terms (and apologies to all the pro's in the field in case I do +not use the right terminology, my coding theory class was almost 30 +years ago, and I must admit it was not one of my favourites). + +As I said before the ecc calculation is performed on sectors of 256 +bytes. This is done by calculating several parity bits over the rows and +columns. The parity used is even parity which means that the parity bit = 1 +if the data over which the parity is calculated is 1 and the parity bit = 0 +if the data over which the parity is calculated is 0. So the total +number of bits over the data over which the parity is calculated + the +parity bit is even. (see wikipedia if you can't follow this). +Parity is often calculated by means of an exclusive or operation, +sometimes also referred to as xor. In C the operator for xor is ^ + +Back to ecc. +Let's give a small figure: + +byte 0: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp0 rp2 rp4 ... rp14 +byte 1: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp1 rp2 rp4 ... rp14 +byte 2: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp0 rp3 rp4 ... rp14 +byte 3: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp1 rp3 rp4 ... rp14 +byte 4: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp0 rp2 rp5 ... rp14 +.... +byte 254: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp0 rp3 rp5 ... rp15 +byte 255: bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 rp1 rp3 rp5 ... rp15 + cp1 cp0 cp1 cp0 cp1 cp0 cp1 cp0 + cp3 cp3 cp2 cp2 cp3 cp3 cp2 cp2 + cp5 cp5 cp5 cp5 cp4 cp4 cp4 cp4 + +This figure represents a sector of 256 bytes. +cp is my abbreviaton for column parity, rp for row parity. + +Let's start to explain column parity. +cp0 is the parity that belongs to all bit0, bit2, bit4, bit6. +so the sum of all bit0, bit2, bit4 and bit6 values + cp0 itself is even. +Similarly cp1 is the sum of all bit1, bit3, bit5 and bit7. +cp2 is the parity over bit0, bit1, bit4 and bit5 +cp3 is the parity over bit2, bit3, bit6 and bit7. +cp4 is the parity over bit0, bit1, bit2 and bit3. +cp5 is the parity over bit4, bit5, bit6 and bit7. +Note that each of cp0 .. cp5 is exactly one bit. + +Row parity actually works almost the same. +rp0 is the parity of all even bytes (0, 2, 4, 6, ... 252, 254) +rp1 is the parity of all odd bytes (1, 3, 5, 7, ..., 253, 255) +rp2 is the parity of all bytes 0, 1, 4, 5, 8, 9, ... +(so handle two bytes, then skip 2 bytes). +rp3 is covers the half rp2 does not cover (bytes 2, 3, 6, 7, 10, 11, ...) +for rp4 the rule is cover 4 bytes, skip 4 bytes, cover 4 bytes, skip 4 etc. +so rp4 calculates parity over bytes 0, 1, 2, 3, 8, 9, 10, 11, 16, ...) +and rp5 covers the other half, so bytes 4, 5, 6, 7, 12, 13, 14, 15, 20, .. +The story now becomes quite boring. I guess you get the idea. +rp6 covers 8 bytes then skips 8 etc +rp7 skips 8 bytes then covers 8 etc +rp8 covers 16 bytes then skips 16 etc +rp9 skips 16 bytes then covers 16 etc +rp10 covers 32 bytes then skips 32 etc +rp11 skips 32 bytes then covers 32 etc +rp12 covers 64 bytes then skips 64 etc +rp13 skips 64 bytes then covers 64 etc +rp14 covers 128 bytes then skips 128 +rp15 skips 128 bytes then covers 128 + +In the end the parity bits are grouped together in three bytes as +follows: +ECC Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 +ECC 0 rp07 rp06 rp05 rp04 rp03 rp02 rp01 rp00 +ECC 1 rp15 rp14 rp13 rp12 rp11 rp10 rp09 rp08 +ECC 2 cp5 cp4 cp3 cp2 cp1 cp0 1 1 + +I detected after writing this that ST application note AN1823 +(http://www.st.com/stonline/books/pdf/docs/10123.pdf) gives a much +nicer picture.(but they use line parity as term where I use row parity) +Oh well, I'm graphically challenged, so suffer with me for a moment :-) +And I could not reuse the ST picture anyway for copyright reasons. + + +Attempt 0 +========= + +Implementing the parity calculation is pretty simple. +In C pseudocode: +for (i = 0; i < 256; i++) +{ + if (i & 0x01) + rp1 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp1; + else + rp0 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp1; + if (i & 0x02) + rp3 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp3; + else + rp2 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp2; + if (i & 0x04) + rp5 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp5; + else + rp4 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp4; + if (i & 0x08) + rp7 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp7; + else + rp6 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp6; + if (i & 0x10) + rp9 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp9; + else + rp8 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp8; + if (i & 0x20) + rp11 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp11; + else + rp10 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp10; + if (i & 0x40) + rp13 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp13; + else + rp12 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp12; + if (i & 0x80) + rp15 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp15; + else + rp14 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp14; + cp0 = bit6 ^ bit4 ^ bit2 ^ bit0 ^ cp0; + cp1 = bit7 ^ bit5 ^ bit3 ^ bit1 ^ cp1; + cp2 = bit5 ^ bit4 ^ bit1 ^ bit0 ^ cp2; + cp3 = bit7 ^ bit6 ^ bit3 ^ bit2 ^ cp3 + cp4 = bit3 ^ bit2 ^ bit1 ^ bit0 ^ cp4 + cp5 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ cp5 +} + + +Analysis 0 +========== + +C does have bitwise operators but not really operators to do the above +efficiently (and most hardware has no such instructions either). +Therefore without implementing this it was clear that the code above was +not going to bring me a Nobel prize :-) + +Fortunately the exclusive or operation is commutative, so we can combine +the values in any order. So instead of calculating all the bits +individually, let us try to rearrange things. +For the column parity this is easy. We can just xor the bytes and in the +end filter out the relevant bits. This is pretty nice as it will bring +all cp calculation out of the if loop. + +Similarly we can first xor the bytes for the various rows. +This leads to: + + +Attempt 1 +========= + +const char parity[256] = { + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 +}; + +void ecc1(const unsigned char *buf, unsigned char *code) +{ + int i; + const unsigned char *bp = buf; + unsigned char cur; + unsigned char rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7; + unsigned char rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15; + unsigned char par; + + par = 0; + rp0 = 0; rp1 = 0; rp2 = 0; rp3 = 0; + rp4 = 0; rp5 = 0; rp6 = 0; rp7 = 0; + rp8 = 0; rp9 = 0; rp10 = 0; rp11 = 0; + rp12 = 0; rp13 = 0; rp14 = 0; rp15 = 0; + + for (i = 0; i < 256; i++) + { + cur = *bp++; + par ^= cur; + if (i & 0x01) rp1 ^= cur; else rp0 ^= cur; + if (i & 0x02) rp3 ^= cur; else rp2 ^= cur; + if (i & 0x04) rp5 ^= cur; else rp4 ^= cur; + if (i & 0x08) rp7 ^= cur; else rp6 ^= cur; + if (i & 0x10) rp9 ^= cur; else rp8 ^= cur; + if (i & 0x20) rp11 ^= cur; else rp10 ^= cur; + if (i & 0x40) rp13 ^= cur; else rp12 ^= cur; + if (i & 0x80) rp15 ^= cur; else rp14 ^= cur; + } + code[0] = + (parity[rp7] << 7) | + (parity[rp6] << 6) | + (parity[rp5] << 5) | + (parity[rp4] << 4) | + (parity[rp3] << 3) | + (parity[rp2] << 2) | + (parity[rp1] << 1) | + (parity[rp0]); + code[1] = + (parity[rp15] << 7) | + (parity[rp14] << 6) | + (parity[rp13] << 5) | + (parity[rp12] << 4) | + (parity[rp11] << 3) | + (parity[rp10] << 2) | + (parity[rp9] << 1) | + (parity[rp8]); + code[2] = + (parity[par & 0xf0] << 7) | + (parity[par & 0x0f] << 6) | + (parity[par & 0xcc] << 5) | + (parity[par & 0x33] << 4) | + (parity[par & 0xaa] << 3) | + (parity[par & 0x55] << 2); + code[0] = ~code[0]; + code[1] = ~code[1]; + code[2] = ~code[2]; +} + +Still pretty straightforward. The last three invert statements are there to +give a checksum of 0xff 0xff 0xff for an empty flash. In an empty flash +all data is 0xff, so the checksum then matches. + +I also introduced the parity lookup. I expected this to be the fastest +way to calculate the parity, but I will investigate alternatives later +on. + + +Analysis 1 +========== + +The code works, but is not terribly efficient. On my system it took +almost 4 times as much time as the linux driver code. But hey, if it was +*that* easy this would have been done long before. +No pain. no gain. + +Fortunately there is plenty of room for improvement. + +In step 1 we moved from bit-wise calculation to byte-wise calculation. +However in C we can also use the unsigned long data type and virtually +every modern microprocessor supports 32 bit operations, so why not try +to write our code in such a way that we process data in 32 bit chunks. + +Of course this means some modification as the row parity is byte by +byte. A quick analysis: +for the column parity we use the par variable. When extending to 32 bits +we can in the end easily calculate p0 and p1 from it. +(because par now consists of 4 bytes, contributing to rp1, rp0, rp1, rp0 +respectively) +also rp2 and rp3 can be easily retrieved from par as rp3 covers the +first two bytes and rp2 the last two bytes. + +Note that of course now the loop is executed only 64 times (256/4). +And note that care must taken wrt byte ordering. The way bytes are +ordered in a long is machine dependent, and might affect us. +Anyway, if there is an issue: this code is developed on x86 (to be +precise: a DELL PC with a D920 Intel CPU) + +And of course the performance might depend on alignment, but I expect +that the I/O buffers in the nand driver are aligned properly (and +otherwise that should be fixed to get maximum performance). + +Let's give it a try... + + +Attempt 2 +========= + +extern const char parity[256]; + +void ecc2(const unsigned char *buf, unsigned char *code) +{ + int i; + const unsigned long *bp = (unsigned long *)buf; + unsigned long cur; + unsigned long rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7; + unsigned long rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15; + unsigned long par; + + par = 0; + rp0 = 0; rp1 = 0; rp2 = 0; rp3 = 0; + rp4 = 0; rp5 = 0; rp6 = 0; rp7 = 0; + rp8 = 0; rp9 = 0; rp10 = 0; rp11 = 0; + rp12 = 0; rp13 = 0; rp14 = 0; rp15 = 0; + + for (i = 0; i < 64; i++) + { + cur = *bp++; + par ^= cur; + if (i & 0x01) rp5 ^= cur; else rp4 ^= cur; + if (i & 0x02) rp7 ^= cur; else rp6 ^= cur; + if (i & 0x04) rp9 ^= cur; else rp8 ^= cur; + if (i & 0x08) rp11 ^= cur; else rp10 ^= cur; + if (i & 0x10) rp13 ^= cur; else rp12 ^= cur; + if (i & 0x20) rp15 ^= cur; else rp14 ^= cur; + } + /* + we need to adapt the code generation for the fact that rp vars are now + long; also the column parity calculation needs to be changed. + we'll bring rp4 to 15 back to single byte entities by shifting and + xoring + */ + rp4 ^= (rp4 >> 16); rp4 ^= (rp4 >> 8); rp4 &= 0xff; + rp5 ^= (rp5 >> 16); rp5 ^= (rp5 >> 8); rp5 &= 0xff; + rp6 ^= (rp6 >> 16); rp6 ^= (rp6 >> 8); rp6 &= 0xff; + rp7 ^= (rp7 >> 16); rp7 ^= (rp7 >> 8); rp7 &= 0xff; + rp8 ^= (rp8 >> 16); rp8 ^= (rp8 >> 8); rp8 &= 0xff; + rp9 ^= (rp9 >> 16); rp9 ^= (rp9 >> 8); rp9 &= 0xff; + rp10 ^= (rp10 >> 16); rp10 ^= (rp10 >> 8); rp10 &= 0xff; + rp11 ^= (rp11 >> 16); rp11 ^= (rp11 >> 8); rp11 &= 0xff; + rp12 ^= (rp12 >> 16); rp12 ^= (rp12 >> 8); rp12 &= 0xff; + rp13 ^= (rp13 >> 16); rp13 ^= (rp13 >> 8); rp13 &= 0xff; + rp14 ^= (rp14 >> 16); rp14 ^= (rp14 >> 8); rp14 &= 0xff; + rp15 ^= (rp15 >> 16); rp15 ^= (rp15 >> 8); rp15 &= 0xff; + rp3 = (par >> 16); rp3 ^= (rp3 >> 8); rp3 &= 0xff; + rp2 = par & 0xffff; rp2 ^= (rp2 >> 8); rp2 &= 0xff; + par ^= (par >> 16); + rp1 = (par >> 8); rp1 &= 0xff; + rp0 = (par & 0xff); + par ^= (par >> 8); par &= 0xff; + + code[0] = + (parity[rp7] << 7) | + (parity[rp6] << 6) | + (parity[rp5] << 5) | + (parity[rp4] << 4) | + (parity[rp3] << 3) | + (parity[rp2] << 2) | + (parity[rp1] << 1) | + (parity[rp0]); + code[1] = + (parity[rp15] << 7) | + (parity[rp14] << 6) | + (parity[rp13] << 5) | + (parity[rp12] << 4) | + (parity[rp11] << 3) | + (parity[rp10] << 2) | + (parity[rp9] << 1) | + (parity[rp8]); + code[2] = + (parity[par & 0xf0] << 7) | + (parity[par & 0x0f] << 6) | + (parity[par & 0xcc] << 5) | + (parity[par & 0x33] << 4) | + (parity[par & 0xaa] << 3) | + (parity[par & 0x55] << 2); + code[0] = ~code[0]; + code[1] = ~code[1]; + code[2] = ~code[2]; +} + +The parity array is not shown any more. Note also that for these +examples I kinda deviated from my regular programming style by allowing +multiple statements on a line, not using { } in then and else blocks +with only a single statement and by using operators like ^= + + +Analysis 2 +========== + +The code (of course) works, and hurray: we are a little bit faster than +the linux driver code (about 15%). But wait, don't cheer too quickly. +THere is more to be gained. +If we look at e.g. rp14 and rp15 we see that we either xor our data with +rp14 or with rp15. However we also have par which goes over all data. +This means there is no need to calculate rp14 as it can be calculated from +rp15 through rp14 = par ^ rp15; +(or if desired we can avoid calculating rp15 and calculate it from +rp14). That is why some places refer to inverse parity. +Of course the same thing holds for rp4/5, rp6/7, rp8/9, rp10/11 and rp12/13. +Effectively this means we can eliminate the else clause from the if +statements. Also we can optimise the calculation in the end a little bit +by going from long to byte first. Actually we can even avoid the table +lookups + +Attempt 3 +========= + +Odd replaced: + if (i & 0x01) rp5 ^= cur; else rp4 ^= cur; + if (i & 0x02) rp7 ^= cur; else rp6 ^= cur; + if (i & 0x04) rp9 ^= cur; else rp8 ^= cur; + if (i & 0x08) rp11 ^= cur; else rp10 ^= cur; + if (i & 0x10) rp13 ^= cur; else rp12 ^= cur; + if (i & 0x20) rp15 ^= cur; else rp14 ^= cur; +with + if (i & 0x01) rp5 ^= cur; + if (i & 0x02) rp7 ^= cur; + if (i & 0x04) rp9 ^= cur; + if (i & 0x08) rp11 ^= cur; + if (i & 0x10) rp13 ^= cur; + if (i & 0x20) rp15 ^= cur; + + and outside the loop added: + rp4 = par ^ rp5; + rp6 = par ^ rp7; + rp8 = par ^ rp9; + rp10 = par ^ rp11; + rp12 = par ^ rp13; + rp14 = par ^ rp15; + +And after that the code takes about 30% more time, although the number of +statements is reduced. This is also reflected in the assembly code. + + +Analysis 3 +========== + +Very weird. Guess it has to do with caching or instruction parallellism +or so. I also tried on an eeePC (Celeron, clocked at 900 Mhz). Interesting +observation was that this one is only 30% slower (according to time) +executing the code as my 3Ghz D920 processor. + +Well, it was expected not to be easy so maybe instead move to a +different track: let's move back to the code from attempt2 and do some +loop unrolling. This will eliminate a few if statements. I'll try +different amounts of unrolling to see what works best. + + +Attempt 4 +========= + +Unrolled the loop 1, 2, 3 and 4 times. +For 4 the code starts with: + + for (i = 0; i < 4; i++) + { + cur = *bp++; + par ^= cur; + rp4 ^= cur; + rp6 ^= cur; + rp8 ^= cur; + rp10 ^= cur; + if (i & 0x1) rp13 ^= cur; else rp12 ^= cur; + if (i & 0x2) rp15 ^= cur; else rp14 ^= cur; + cur = *bp++; + par ^= cur; + rp5 ^= cur; + rp6 ^= cur; + ... + + +Analysis 4 +========== + +Unrolling once gains about 15% +Unrolling twice keeps the gain at about 15% +Unrolling three times gives a gain of 30% compared to attempt 2. +Unrolling four times gives a marginal improvement compared to unrolling +three times. + +I decided to proceed with a four time unrolled loop anyway. It was my gut +feeling that in the next steps I would obtain additional gain from it. + +The next step was triggered by the fact that par contains the xor of all +bytes and rp4 and rp5 each contain the xor of half of the bytes. +So in effect par = rp4 ^ rp5. But as xor is commutative we can also say +that rp5 = par ^ rp4. So no need to keep both rp4 and rp5 around. We can +eliminate rp5 (or rp4, but I already foresaw another optimisation). +The same holds for rp6/7, rp8/9, rp10/11 rp12/13 and rp14/15. + + +Attempt 5 +========= + +Effectively so all odd digit rp assignments in the loop were removed. +This included the else clause of the if statements. +Of course after the loop we need to correct things by adding code like: + rp5 = par ^ rp4; +Also the initial assignments (rp5 = 0; etc) could be removed. +Along the line I also removed the initialisation of rp0/1/2/3. + + +Analysis 5 +========== + +Measurements showed this was a good move. The run-time roughly halved +compared with attempt 4 with 4 times unrolled, and we only require 1/3rd +of the processor time compared to the current code in the linux kernel. + +However, still I thought there was more. I didn't like all the if +statements. Why not keep a running parity and only keep the last if +statement. Time for yet another version! + + +Attempt 6 +========= + +THe code within the for loop was changed to: + + for (i = 0; i < 4; i++) + { + cur = *bp++; tmppar = cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= tmppar; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp8 ^= tmppar; + + cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp10 ^= tmppar; + + cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur; rp8 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; rp8 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp8 ^= cur; + cur = *bp++; tmppar ^= cur; rp8 ^= cur; + + cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; + + par ^= tmppar; + if ((i & 0x1) == 0) rp12 ^= tmppar; + if ((i & 0x2) == 0) rp14 ^= tmppar; + } + +As you can see tmppar is used to accumulate the parity within a for +iteration. In the last 3 statements is is added to par and, if needed, +to rp12 and rp14. + +While making the changes I also found that I could exploit that tmppar +contains the running parity for this iteration. So instead of having: +rp4 ^= cur; rp6 = cur; +I removed the rp6 = cur; statement and did rp6 ^= tmppar; on next +statement. A similar change was done for rp8 and rp10 + + +Analysis 6 +========== + +Measuring this code again showed big gain. When executing the original +linux code 1 million times, this took about 1 second on my system. +(using time to measure the performance). After this iteration I was back +to 0.075 sec. Actually I had to decide to start measuring over 10 +million interations in order not to loose too much accuracy. This one +definitely seemed to be the jackpot! + +There is a little bit more room for improvement though. There are three +places with statements: +rp4 ^= cur; rp6 ^= cur; +It seems more efficient to also maintain a variable rp4_6 in the while +loop; This eliminates 3 statements per loop. Of course after the loop we +need to correct by adding: + rp4 ^= rp4_6; + rp6 ^= rp4_6 +Furthermore there are 4 sequential assingments to rp8. This can be +encoded slightly more efficient by saving tmppar before those 4 lines +and later do rp8 = rp8 ^ tmppar ^ notrp8; +(where notrp8 is the value of rp8 before those 4 lines). +Again a use of the commutative property of xor. +Time for a new test! + + +Attempt 7 +========= + +The new code now looks like: + + for (i = 0; i < 4; i++) + { + cur = *bp++; tmppar = cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= tmppar; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp8 ^= tmppar; + + cur = *bp++; tmppar ^= cur; rp4_6 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; rp10 ^= tmppar; + + notrp8 = tmppar; + cur = *bp++; tmppar ^= cur; rp4_6 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; + rp8 = rp8 ^ tmppar ^ notrp8; + + cur = *bp++; tmppar ^= cur; rp4_6 ^= cur; + cur = *bp++; tmppar ^= cur; rp6 ^= cur; + cur = *bp++; tmppar ^= cur; rp4 ^= cur; + cur = *bp++; tmppar ^= cur; + + par ^= tmppar; + if ((i & 0x1) == 0) rp12 ^= tmppar; + if ((i & 0x2) == 0) rp14 ^= tmppar; + } + rp4 ^= rp4_6; + rp6 ^= rp4_6; + + +Not a big change, but every penny counts :-) + + +Analysis 7 +========== + +Acutally this made things worse. Not very much, but I don't want to move +into the wrong direction. Maybe something to investigate later. Could +have to do with caching again. + +Guess that is what there is to win within the loop. Maybe unrolling one +more time will help. I'll keep the optimisations from 7 for now. + + +Attempt 8 +========= + +Unrolled the loop one more time. + + +Analysis 8 +========== + +This makes things worse. Let's stick with attempt 6 and continue from there. +Although it seems that the code within the loop cannot be optimised +further there is still room to optimize the generation of the ecc codes. +We can simply calcualate the total parity. If this is 0 then rp4 = rp5 +etc. If the parity is 1, then rp4 = !rp5; +But if rp4 = rp5 we do not need rp5 etc. We can just write the even bits +in the result byte and then do something like + code[0] |= (code[0] << 1); +Lets test this. + + +Attempt 9 +========= + +Changed the code but again this slightly degrades performance. Tried all +kind of other things, like having dedicated parity arrays to avoid the +shift after parity[rp7] << 7; No gain. +Change the lookup using the parity array by using shift operators (e.g. +replace parity[rp7] << 7 with: +rp7 ^= (rp7 << 4); +rp7 ^= (rp7 << 2); +rp7 ^= (rp7 << 1); +rp7 &= 0x80; +No gain. + +The only marginal change was inverting the parity bits, so we can remove +the last three invert statements. + +Ah well, pity this does not deliver more. Then again 10 million +iterations using the linux driver code takes between 13 and 13.5 +seconds, whereas my code now takes about 0.73 seconds for those 10 +million iterations. So basically I've improved the performance by a +factor 18 on my system. Not that bad. Of course on different hardware +you will get different results. No warranties! + +But of course there is no such thing as a free lunch. The codesize almost +tripled (from 562 bytes to 1434 bytes). Then again, it is not that much. + + +Correcting errors +================= + +For correcting errors I again used the ST application note as a starter, +but I also peeked at the existing code. +The algorithm itself is pretty straightforward. Just xor the given and +the calculated ecc. If all bytes are 0 there is no problem. If 11 bits +are 1 we have one correctable bit error. If there is 1 bit 1, we have an +error in the given ecc code. +It proved to be fastest to do some table lookups. Performance gain +introduced by this is about a factor 2 on my system when a repair had to +be done, and 1% or so if no repair had to be done. +Code size increased from 330 bytes to 686 bytes for this function. +(gcc 4.2, -O3) + + +Conclusion +========== + +The gain when calculating the ecc is tremendous. Om my development hardware +a speedup of a factor of 18 for ecc calculation was achieved. On a test on an +embedded system with a MIPS core a factor 7 was obtained. +On a test with a Linksys NSLU2 (ARMv5TE processor) the speedup was a factor +5 (big endian mode, gcc 4.1.2, -O3) +For correction not much gain could be obtained (as bitflips are rare). Then +again there are also much less cycles spent there. + +It seems there is not much more gain possible in this, at least when +programmed in C. Of course it might be possible to squeeze something more +out of it with an assembler program, but due to pipeline behaviour etc +this is very tricky (at least for intel hw). + +Author: Frans Meulenbroeks +Copyright (C) 2008 Koninklijke Philips Electronics NV. diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c index 918a806a8471..7129da51bb33 100644 --- a/drivers/mtd/nand/nand_ecc.c +++ b/drivers/mtd/nand/nand_ecc.c @@ -1,13 +1,18 @@ /* - * This file contains an ECC algorithm from Toshiba that detects and - * corrects 1 bit errors in a 256 byte block of data. + * This file contains an ECC algorithm that detects and corrects 1 bit + * errors in a 256 byte block of data. * * drivers/mtd/nand/nand_ecc.c * - * Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com) - * Toshiba America Electronics Components, Inc. + * Copyright (C) 2008 Koninklijke Philips Electronics NV. + * Author: Frans Meulenbroeks * - * Copyright (C) 2006 Thomas Gleixner + * Completely replaces the previous ECC implementation which was written by: + * Steven J. Hill (sjhill@realitydiluted.com) + * Thomas Gleixner (tglx@linutronix.de) + * + * Information on how this algorithm works and how it was developed + * can be found in Documentation/nand/ecc.txt * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -23,174 +28,417 @@ * with this file; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * - * As a special exception, if other files instantiate templates or use - * macros or inline functions from these files, or you compile these - * files and link them with other works to produce a work based on these - * files, these files do not by themselves cause the resulting work to be - * covered by the GNU General Public License. However the source code for - * these files must still be made available in accordance with section (3) - * of the GNU General Public License. - * - * This exception does not invalidate any other reasons why a work based on - * this file might be covered by the GNU General Public License. */ +/* + * The STANDALONE macro is useful when running the code outside the kernel + * e.g. when running the code in a testbed or a benchmark program. + * When STANDALONE is used, the module related macros are commented out + * as well as the linux include files. + * Instead a private definition of mtd_into is given to satisfy the compiler + * (the code does not use mtd_info, so the code does not care) + */ +#ifndef STANDALONE #include #include #include #include +#else +typedef uint32_t unsigned long +struct mtd_info { + int dummy; +}; +#define EXPORT_SYMBOL(x) /* x */ + +#define MODULE_LICENSE(x) /* x */ +#define MODULE_AUTHOR(x) /* x */ +#define MODULE_DESCRIPTION(x) /* x */ +#endif + +/* + * invparity is a 256 byte table that contains the odd parity + * for each byte. So if the number of bits in a byte is even, + * the array element is 1, and when the number of bits is odd + * the array eleemnt is 0. + */ +static const char invparity[256] = { + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1 +}; /* - * Pre-calculated 256-way 1 byte column parity + * bitsperbyte contains the number of bits per byte + * this is only used for testing and repairing parity + * (a precalculated value slightly improves performance) */ -static const u_char nand_ecc_precalc_table[] = { - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 +static const char bitsperbyte[256] = { + 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8, +}; + +/* + * addressbits is a lookup table to filter out the bits from the xor-ed + * ecc data that identify the faulty location. + * this is only used for repairing parity + * see the comments in nand_correct_data for more details + */ +static const char addressbits[256] = { + 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01, + 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03, + 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01, + 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03, + 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05, + 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07, + 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05, + 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07, + 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01, + 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03, + 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01, + 0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03, + 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05, + 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07, + 0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05, + 0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07, + 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09, + 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b, + 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09, + 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b, + 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d, + 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f, + 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d, + 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f, + 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09, + 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b, + 0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09, + 0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b, + 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d, + 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f, + 0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d, + 0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f }; /** * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block - * @mtd: MTD block structure + * @mtd: MTD block structure (unused) * @dat: raw data * @ecc_code: buffer for ECC */ -int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, - u_char *ecc_code) +int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf, + unsigned char *code) { - uint8_t idx, reg1, reg2, reg3, tmp1, tmp2; int i; + const uint32_t *bp = (uint32_t *)buf; + uint32_t cur; /* current value in buffer */ + /* rp0..rp15 are the various accumulated parities (per byte) */ + uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7; + uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15; + uint32_t par; /* the cumulative parity for all data */ + uint32_t tmppar; /* the cumulative parity for this iteration; + for rp12 and rp14 at the end of the loop */ + + par = 0; + rp4 = 0; + rp6 = 0; + rp8 = 0; + rp10 = 0; + rp12 = 0; + rp14 = 0; + + /* + * The loop is unrolled a number of times; + * This avoids if statements to decide on which rp value to update + * Also we process the data by longwords. + * Note: passing unaligned data might give a performance penalty. + * It is assumed that the buffers are aligned. + * tmppar is the cumulative sum of this iteration. + * needed for calculating rp12, rp14 and par + * also used as a performance improvement for rp6, rp8 and rp10 + */ + for (i = 0; i < 4; i++) { + cur = *bp++; + tmppar = cur; + rp4 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp6 ^= tmppar; + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp8 ^= tmppar; - /* Initialize variables */ - reg1 = reg2 = reg3 = 0; + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + rp6 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp6 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp10 ^= tmppar; - /* Build up column parity */ - for(i = 0; i < 256; i++) { - /* Get CP0 - CP5 from table */ - idx = nand_ecc_precalc_table[*dat++]; - reg1 ^= (idx & 0x3f); + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + rp6 ^= cur; + rp8 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp6 ^= cur; + rp8 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + rp8 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp8 ^= cur; - /* All bit XOR = 1 ? */ - if (idx & 0x40) { - reg3 ^= (uint8_t) i; - reg2 ^= ~((uint8_t) i); - } + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + rp6 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp6 ^= cur; + cur = *bp++; + tmppar ^= cur; + rp4 ^= cur; + cur = *bp++; + tmppar ^= cur; + + par ^= tmppar; + if ((i & 0x1) == 0) + rp12 ^= tmppar; + if ((i & 0x2) == 0) + rp14 ^= tmppar; } - /* Create non-inverted ECC code from line parity */ - tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */ - tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */ - tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */ - tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */ - tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */ - tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */ - tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */ - tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */ - - tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */ - tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */ - tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */ - tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */ - tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */ - tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */ - tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */ - tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */ - - /* Calculate final ECC code */ + /* + * handle the fact that we use longword operations + * we'll bring rp4..rp14 back to single byte entities by shifting and + * xoring first fold the upper and lower 16 bits, + * then the upper and lower 8 bits. + */ + rp4 ^= (rp4 >> 16); + rp4 ^= (rp4 >> 8); + rp4 &= 0xff; + rp6 ^= (rp6 >> 16); + rp6 ^= (rp6 >> 8); + rp6 &= 0xff; + rp8 ^= (rp8 >> 16); + rp8 ^= (rp8 >> 8); + rp8 &= 0xff; + rp10 ^= (rp10 >> 16); + rp10 ^= (rp10 >> 8); + rp10 &= 0xff; + rp12 ^= (rp12 >> 16); + rp12 ^= (rp12 >> 8); + rp12 &= 0xff; + rp14 ^= (rp14 >> 16); + rp14 ^= (rp14 >> 8); + rp14 &= 0xff; + + /* + * we also need to calculate the row parity for rp0..rp3 + * This is present in par, because par is now + * rp3 rp3 rp2 rp2 + * as well as + * rp1 rp0 rp1 rp0 + * First calculate rp2 and rp3 + * (and yes: rp2 = (par ^ rp3) & 0xff; but doing that did not + * give a performance improvement) + */ + rp3 = (par >> 16); + rp3 ^= (rp3 >> 8); + rp3 &= 0xff; + rp2 = par & 0xffff; + rp2 ^= (rp2 >> 8); + rp2 &= 0xff; + + /* reduce par to 16 bits then calculate rp1 and rp0 */ + par ^= (par >> 16); + rp1 = (par >> 8) & 0xff; + rp0 = (par & 0xff); + + /* finally reduce par to 8 bits */ + par ^= (par >> 8); + par &= 0xff; + + /* + * and calculate rp5..rp15 + * note that par = rp4 ^ rp5 and due to the commutative property + * of the ^ operator we can say: + * rp5 = (par ^ rp4); + * The & 0xff seems superfluous, but benchmarking learned that + * leaving it out gives slightly worse results. No idea why, probably + * it has to do with the way the pipeline in pentium is organized. + */ + rp5 = (par ^ rp4) & 0xff; + rp7 = (par ^ rp6) & 0xff; + rp9 = (par ^ rp8) & 0xff; + rp11 = (par ^ rp10) & 0xff; + rp13 = (par ^ rp12) & 0xff; + rp15 = (par ^ rp14) & 0xff; + + /* + * Finally calculate the ecc bits. + * Again here it might seem that there are performance optimisations + * possible, but benchmarks showed that on the system this is developed + * the code below is the fastest + */ #ifdef CONFIG_MTD_NAND_ECC_SMC - ecc_code[0] = ~tmp2; - ecc_code[1] = ~tmp1; + code[0] = + (invparity[rp7] << 7) | + (invparity[rp6] << 6) | + (invparity[rp5] << 5) | + (invparity[rp4] << 4) | + (invparity[rp3] << 3) | + (invparity[rp2] << 2) | + (invparity[rp1] << 1) | + (invparity[rp0]); + code[1] = + (invparity[rp15] << 7) | + (invparity[rp14] << 6) | + (invparity[rp13] << 5) | + (invparity[rp12] << 4) | + (invparity[rp11] << 3) | + (invparity[rp10] << 2) | + (invparity[rp9] << 1) | + (invparity[rp8]); #else - ecc_code[0] = ~tmp1; - ecc_code[1] = ~tmp2; + code[1] = + (invparity[rp7] << 7) | + (invparity[rp6] << 6) | + (invparity[rp5] << 5) | + (invparity[rp4] << 4) | + (invparity[rp3] << 3) | + (invparity[rp2] << 2) | + (invparity[rp1] << 1) | + (invparity[rp0]); + code[0] = + (invparity[rp15] << 7) | + (invparity[rp14] << 6) | + (invparity[rp13] << 5) | + (invparity[rp12] << 4) | + (invparity[rp11] << 3) | + (invparity[rp10] << 2) | + (invparity[rp9] << 1) | + (invparity[rp8]); #endif - ecc_code[2] = ((~reg1) << 2) | 0x03; - + code[2] = + (invparity[par & 0xf0] << 7) | + (invparity[par & 0x0f] << 6) | + (invparity[par & 0xcc] << 5) | + (invparity[par & 0x33] << 4) | + (invparity[par & 0xaa] << 3) | + (invparity[par & 0x55] << 2) | + 3; return 0; } EXPORT_SYMBOL(nand_calculate_ecc); -static inline int countbits(uint32_t byte) -{ - int res = 0; - - for (;byte; byte >>= 1) - res += byte & 0x01; - return res; -} - /** * nand_correct_data - [NAND Interface] Detect and correct bit error(s) - * @mtd: MTD block structure + * @mtd: MTD block structure (unused) * @dat: raw data read from the chip * @read_ecc: ECC from the chip * @calc_ecc: the ECC calculated from raw data * * Detect and correct a 1 bit error for 256 byte block */ -int nand_correct_data(struct mtd_info *mtd, u_char *dat, - u_char *read_ecc, u_char *calc_ecc) +int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, + unsigned char *read_ecc, unsigned char *calc_ecc) { - uint8_t s0, s1, s2; + int nr_bits; + unsigned char b0, b1, b2; + unsigned char byte_addr, bit_addr; + /* + * b0 to b2 indicate which bit is faulty (if any) + * we might need the xor result more than once, + * so keep them in a local var + */ #ifdef CONFIG_MTD_NAND_ECC_SMC - s0 = calc_ecc[0] ^ read_ecc[0]; - s1 = calc_ecc[1] ^ read_ecc[1]; - s2 = calc_ecc[2] ^ read_ecc[2]; + b0 = read_ecc[0] ^ calc_ecc[0]; + b1 = read_ecc[1] ^ calc_ecc[1]; #else - s1 = calc_ecc[0] ^ read_ecc[0]; - s0 = calc_ecc[1] ^ read_ecc[1]; - s2 = calc_ecc[2] ^ read_ecc[2]; + b0 = read_ecc[1] ^ calc_ecc[1]; + b1 = read_ecc[0] ^ calc_ecc[0]; #endif - if ((s0 | s1 | s2) == 0) - return 0; - - /* Check for a single bit error */ - if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 && - ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 && - ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) { - - uint32_t byteoffs, bitnum; + b2 = read_ecc[2] ^ calc_ecc[2]; - byteoffs = (s1 << 0) & 0x80; - byteoffs |= (s1 << 1) & 0x40; - byteoffs |= (s1 << 2) & 0x20; - byteoffs |= (s1 << 3) & 0x10; + /* check if there are any bitfaults */ - byteoffs |= (s0 >> 4) & 0x08; - byteoffs |= (s0 >> 3) & 0x04; - byteoffs |= (s0 >> 2) & 0x02; - byteoffs |= (s0 >> 1) & 0x01; + /* count nr of bits; use table lookup, faster than calculating it */ + nr_bits = bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]; - bitnum = (s2 >> 5) & 0x04; - bitnum |= (s2 >> 4) & 0x02; - bitnum |= (s2 >> 3) & 0x01; - - dat[byteoffs] ^= (1 << bitnum); - - return 1; + /* repeated if statements are slightly more efficient than switch ... */ + /* ordered in order of likelihood */ + if (nr_bits == 0) + return (0); /* no error */ + if (nr_bits == 11) { /* correctable error */ + /* + * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte + * cp 5/3/1 indicate the faulty bit. + * A lookup table (called addressbits) is used to filter + * the bits from the byte they are in. + * A marginal optimisation is possible by having three + * different lookup tables. + * One as we have now (for b0), one for b2 + * (that would avoid the >> 1), and one for b1 (with all values + * << 4). However it was felt that introducing two more tables + * hardly justify the gain. + * + * The b2 shift is there to get rid of the lowest two bits. + * We could also do addressbits[b2] >> 1 but for the + * performace it does not make any difference + */ + byte_addr = (addressbits[b1] << 4) + addressbits[b0]; + bit_addr = addressbits[b2 >> 2]; + /* flip the bit */ + buf[byte_addr] ^= (1 << bit_addr); + return (1); } - - if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1) - return 1; - - return -EBADMSG; + if (nr_bits == 1) + return (1); /* error in ecc data; no action needed */ + return -1; } EXPORT_SYMBOL(nand_correct_data); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Steven J. Hill "); +MODULE_AUTHOR("Frans Meulenbroeks "); MODULE_DESCRIPTION("Generic NAND ECC support"); -- GitLab From ccbcd6cba5ef6e071deb072188ad044921f6b91e Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Sat, 16 Aug 2008 11:01:31 +0100 Subject: [PATCH 0386/6244] [MTD] [NAND] Minor cleanup of nand_ecc.c Make the standalone stuff a little cleaner, fix some checkpatch warnings. Signed-off-by: David Woodhouse --- drivers/mtd/nand/nand_ecc.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c index 7129da51bb33..a8e8413ca2bc 100644 --- a/drivers/mtd/nand/nand_ecc.c +++ b/drivers/mtd/nand/nand_ecc.c @@ -4,15 +4,15 @@ * * drivers/mtd/nand/nand_ecc.c * - * Copyright (C) 2008 Koninklijke Philips Electronics NV. - * Author: Frans Meulenbroeks + * Copyright © 2008 Koninklijke Philips Electronics NV. + * Author: Frans Meulenbroeks * * Completely replaces the previous ECC implementation which was written by: * Steven J. Hill (sjhill@realitydiluted.com) * Thomas Gleixner (tglx@linutronix.de) * * Information on how this algorithm works and how it was developed - * can be found in Documentation/nand/ecc.txt + * can be found in Documentation/mtd/nand_ecc.txt * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -35,7 +35,7 @@ * e.g. when running the code in a testbed or a benchmark program. * When STANDALONE is used, the module related macros are commented out * as well as the linux include files. - * Instead a private definition of mtd_into is given to satisfy the compiler + * Instead a private definition of mtd_info is given to satisfy the compiler * (the code does not use mtd_info, so the code does not care) */ #ifndef STANDALONE @@ -44,10 +44,8 @@ #include #include #else -typedef uint32_t unsigned long -struct mtd_info { - int dummy; -}; +#include +struct mtd_info; #define EXPORT_SYMBOL(x) /* x */ #define MODULE_LICENSE(x) /* x */ @@ -409,7 +407,7 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, /* repeated if statements are slightly more efficient than switch ... */ /* ordered in order of likelihood */ if (nr_bits == 0) - return (0); /* no error */ + return 0; /* no error */ if (nr_bits == 11) { /* correctable error */ /* * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte @@ -431,10 +429,10 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, bit_addr = addressbits[b2 >> 2]; /* flip the bit */ buf[byte_addr] ^= (1 << bit_addr); - return (1); + return 1; } if (nr_bits == 1) - return (1); /* error in ecc data; no action needed */ + return 1; /* error in ecc data; no action needed */ return -1; } EXPORT_SYMBOL(nand_correct_data); -- GitLab From 6f6da97faf29f87b3980a6992fb8cab44b4c444d Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 23:05:19 +0400 Subject: [PATCH 0387/6244] x86: apic - sync_Arb_IDs style fixup No changes on binary level Signed-off-by: Cyrill Gorcunov Acked-by: Maciej W. Rozycki Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 +++- arch/x86/kernel/apic_64.c | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index d07488993ee7..60575c05151a 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -909,13 +909,15 @@ void __init sync_Arb_IDs(void) */ if (modern_apic() || boot_cpu_data.x86_vendor == X86_VENDOR_AMD) return; + /* * Wait for idle. */ apic_wait_icr_idle(); apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); + apic_write(APIC_ICR, APIC_DEST_ALLINC | + APIC_INT_LEVELTRIG | APIC_DM_INIT); } /* diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 41aff3460635..72e94ab0e364 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -755,7 +755,8 @@ void __init sync_Arb_IDs(void) apic_wait_icr_idle(); apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); + apic_write(APIC_ICR, APIC_DEST_ALLINC | + APIC_INT_LEVELTRIG | APIC_DM_INIT); } /* -- GitLab From 638c0411922540deaf8797cacf73513b17618405 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 15 Aug 2008 23:05:18 +0400 Subject: [PATCH 0388/6244] x86: apic - unify init_bsp_APIC - remove redundant read of APIC_LVR register in 64bit mode - APIC is always integrated for 64bit mode so gcc will eliminate lapic_is_integrated call Signed-off-by: Cyrill Gorcunov Acked-by: Maciej W. Rozycki Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 +++- arch/x86/kernel/apic_64.c | 14 +++++++++++--- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 60575c05151a..16d9721788c1 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -925,7 +925,7 @@ void __init sync_Arb_IDs(void) */ void __init init_bsp_APIC(void) { - unsigned long value; + unsigned int value; /* * Don't do the setup now if we have a SMP BIOS as the @@ -946,11 +946,13 @@ void __init init_bsp_APIC(void) value &= ~APIC_VECTOR_MASK; value |= APIC_SPIV_APIC_ENABLED; +#ifdef CONFIG_X86_32 /* This bit is reserved on P4/Xeon and should be cleared */ if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 == 15)) value &= ~APIC_SPIV_FOCUS_DISABLED; else +#endif value |= APIC_SPIV_FOCUS_DISABLED; value |= SPURIOUS_APIC_VECTOR; apic_write(APIC_SPIV, value); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 72e94ab0e364..99d18b8976a5 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -773,8 +773,6 @@ void __init init_bsp_APIC(void) if (smp_found_config || !cpu_has_apic) return; - value = apic_read(APIC_LVR); - /* * Do not trust the local APIC being empty at bootup. */ @@ -786,7 +784,15 @@ void __init init_bsp_APIC(void) value = apic_read(APIC_SPIV); value &= ~APIC_VECTOR_MASK; value |= APIC_SPIV_APIC_ENABLED; - value |= APIC_SPIV_FOCUS_DISABLED; + +#ifdef CONFIG_X86_32 + /* This bit is reserved on P4/Xeon and should be cleared */ + if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && + (boot_cpu_data.x86 == 15)) + value &= ~APIC_SPIV_FOCUS_DISABLED; + else +#endif + value |= APIC_SPIV_FOCUS_DISABLED; value |= SPURIOUS_APIC_VECTOR; apic_write(APIC_SPIV, value); @@ -795,6 +801,8 @@ void __init init_bsp_APIC(void) */ apic_write(APIC_LVT0, APIC_DM_EXTINT); value = APIC_DM_NMI; + if (!lapic_is_integrated()) /* 82489DX */ + value |= APIC_LVT_LEVEL_TRIGGER; apic_write(APIC_LVT1, value); } -- GitLab From 6d341675f8e715464849e5d5563a72c1d39e800d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Va=C5=A1ut?= Date: Sat, 16 Aug 2008 15:35:57 +0100 Subject: [PATCH 0389/6244] [ARM] 5199/1: PalmLD: PCMCIA driver PCMCIA driver for Palm LifeDrive Signed-off-by: Marek Vasut Signed-off-by: Russell King --- drivers/pcmcia/Makefile | 3 +- drivers/pcmcia/pxa2xx_palmld.c | 151 +++++++++++++++++++++++++++++++++ 2 files changed, 153 insertions(+), 1 deletion(-) create mode 100644 drivers/pcmcia/pxa2xx_palmld.c diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 269a9e913ba2..c6d89fd3dcf4 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -72,5 +72,6 @@ pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o -pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o +pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o +pxa2xx_cs-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c new file mode 100644 index 000000000000..1736c67e547e --- /dev/null +++ b/drivers/pcmcia/pxa2xx_palmld.c @@ -0,0 +1,151 @@ +/* + * linux/drivers/pcmcia/pxa2xx_palmld.c + * + * Driver for Palm LifeDrive PCMCIA + * + * Copyright (C) 2006 Alex Osborne + * Copyright (C) 2007-2008 Marek Vasut + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include + +#include +#include +#include "soc_common.h" + +static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR"); + if (ret) + goto err1; + ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0); + if (ret) + goto err2; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST"); + if (ret) + goto err2; + ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1); + if (ret) + goto err3; + + ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY"); + if (ret) + goto err3; + ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY); + if (ret) + goto err4; + + skt->irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY); + return 0; + +err4: + gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); +err3: + gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); +err2: + gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); +err1: + return ret; +} + +static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ + gpio_free(GPIO_NR_PALMLD_PCMCIA_READY); + gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET); + gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER); +} + +static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->detect = 1; /* always inserted */ + state->ready = !!gpio_get_value(GPIO_NR_PALMLD_PCMCIA_READY); + state->bvd1 = 1; + state->bvd2 = 1; + state->wrprot = 0; + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int palmld_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + gpio_set_value(GPIO_NR_PALMLD_PCMCIA_POWER, 1); + gpio_set_value(GPIO_NR_PALMLD_PCMCIA_RESET, + !!(state->flags & SS_RESET)); + + return 0; +} + +static void palmld_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void palmld_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level palmld_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 2, + + .hw_init = palmld_pcmcia_hw_init, + .hw_shutdown = palmld_pcmcia_hw_shutdown, + + .socket_state = palmld_pcmcia_socket_state, + .configure_socket = palmld_pcmcia_configure_socket, + + .socket_init = palmld_pcmcia_socket_init, + .socket_suspend = palmld_pcmcia_socket_suspend, +}; + +static struct platform_device *palmld_pcmcia_device; + +static int __init palmld_pcmcia_init(void) +{ + int ret; + + if (!machine_is_palmld()) + return -ENODEV; + + palmld_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!palmld_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(palmld_pcmcia_device, &palmld_pcmcia_ops, + sizeof(palmld_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(palmld_pcmcia_device); + + if (ret) + platform_device_put(palmld_pcmcia_device); + + return ret; +} + +static void __exit palmld_pcmcia_exit(void) +{ + platform_device_unregister(palmld_pcmcia_device); +} + +module_init(palmld_pcmcia_init); +module_exit(palmld_pcmcia_exit); + +MODULE_AUTHOR("Alex Osborne ," + " Marek Vasut "); +MODULE_DESCRIPTION("PCMCIA support for Palm LifeDrive"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); -- GitLab From 8ee991dd343df57910ff6947696afada9f02bf7e Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 17 Aug 2008 07:50:44 +0800 Subject: [PATCH 0390/6244] [MTD] removed unused #include The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/mtd/maps/amd76xrom.c drivers/mtd/maps/ck804xrom.c drivers/mtd/maps/esb2rom.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: David Woodhouse --- drivers/mtd/maps/amd76xrom.c | 1 - drivers/mtd/maps/ck804xrom.c | 1 - drivers/mtd/maps/esb2rom.c | 1 - 3 files changed, 3 deletions(-) diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c index 948b86f35ef4..d1eec7d3243f 100644 --- a/drivers/mtd/maps/amd76xrom.c +++ b/drivers/mtd/maps/amd76xrom.c @@ -6,7 +6,6 @@ #include #include -#include #include #include #include diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c index effaf7cdefab..1a6feb4474de 100644 --- a/drivers/mtd/maps/ck804xrom.c +++ b/drivers/mtd/maps/ck804xrom.c @@ -9,7 +9,6 @@ #include #include -#include #include #include #include diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c index aa64a4752781..bbbcdd4c8d13 100644 --- a/drivers/mtd/maps/esb2rom.c +++ b/drivers/mtd/maps/esb2rom.c @@ -12,7 +12,6 @@ #include #include -#include #include #include #include -- GitLab From 6764014bc8bb4849f6a4f336477e873ad5861ed2 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:50 +0400 Subject: [PATCH 0391/6244] x86: apic - unify clear_local_APIC - Remove redundant masking of APIC_LVTTHMR register in apic_32.c - Add masking of APIC_LVTTHMR register to apic_64.c. We use a bit complicated #ifdef here: CONFIG_X86_MCE_P4THERMAL is 32bit specific and X86_MCE_INTEL is 64bit specific so the appropriate config variable will be set by Kconfig. - the APIC_ESR register clearing in apic_64.c now uses not straightforward way but this is allowed tradeoff. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 6 +----- arch/x86/kernel/apic_64.c | 17 +++++++++++++++-- 2 files changed, 16 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 16d9721788c1..3131603a4d6a 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -754,7 +754,7 @@ void clear_local_APIC(void) } /* lets not touch this if we didn't frob it */ -#ifdef CONFIG_X86_MCE_P4THERMAL +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL) if (maxlvt >= 5) { v = apic_read(APIC_LVTTHMR); apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED); @@ -771,10 +771,6 @@ void clear_local_APIC(void) if (maxlvt >= 4) apic_write(APIC_LVTPC, APIC_LVT_MASKED); -#ifdef CONFIG_X86_MCE_P4THERMAL - if (maxlvt >= 5) - apic_write(APIC_LVTTHMR, APIC_LVT_MASKED); -#endif /* Integrated APIC (!82489DX) ? */ if (lapic_is_integrated()) { if (maxlvt > 3) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 99d18b8976a5..d834b7583624 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -630,6 +630,13 @@ void clear_local_APIC(void) apic_write(APIC_LVTPC, v | APIC_LVT_MASKED); } + /* lets not touch this if we didn't frob it */ +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL) + if (maxlvt >= 5) { + v = apic_read(APIC_LVTTHMR); + apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED); + } +#endif /* * Clean APIC state for other OSs: */ @@ -640,8 +647,14 @@ void clear_local_APIC(void) apic_write(APIC_LVTERR, APIC_LVT_MASKED); if (maxlvt >= 4) apic_write(APIC_LVTPC, APIC_LVT_MASKED); - apic_write(APIC_ESR, 0); - apic_read(APIC_ESR); + + /* Integrated APIC (!82489DX) ? */ + if (lapic_is_integrated()) { + if (maxlvt > 3) + /* Clear ESR due to Pentium errata 3AP and 11AP */ + apic_write(APIC_ESR, 0); + apic_read(APIC_ESR); + } } /** -- GitLab From 92206c909ad1d4f9c355b4842722d5a355d6b76b Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:51 +0400 Subject: [PATCH 0392/6244] x86: apic - unify lapic_resume Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 29 ++++++++++++++++++----------- arch/x86/kernel/apic_64.c | 19 +++++++++++++++---- 2 files changed, 33 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 3131603a4d6a..3d40213d3af2 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1606,16 +1606,21 @@ static int lapic_resume(struct sys_device *dev) local_irq_save(flags); - /* - * Make sure the APICBASE points to the right address - * - * FIXME! This will be wrong if we ever support suspend on - * SMP! We'll need to do this as part of the CPU restore! - */ - rdmsr(MSR_IA32_APICBASE, l, h); - l &= ~MSR_IA32_APICBASE_BASE; - l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; - wrmsr(MSR_IA32_APICBASE, l, h); +#ifdef CONFIG_X86_64 + if (x2apic) + enable_x2apic(); + else +#endif + /* + * Make sure the APICBASE points to the right address + * + * FIXME! This will be wrong if we ever support suspend on + * SMP! We'll need to do this as part of the CPU restore! + */ + rdmsr(MSR_IA32_APICBASE, l, h); + l &= ~MSR_IA32_APICBASE_BASE; + l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; + wrmsr(MSR_IA32_APICBASE, l, h); apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); apic_write(APIC_ID, apic_pm_state.apic_id); @@ -1625,7 +1630,7 @@ static int lapic_resume(struct sys_device *dev) apic_write(APIC_SPIV, apic_pm_state.apic_spiv); apic_write(APIC_LVT0, apic_pm_state.apic_lvt0); apic_write(APIC_LVT1, apic_pm_state.apic_lvt1); -#ifdef CONFIG_X86_MCE_P4THERMAL +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr); #endif @@ -1639,7 +1644,9 @@ static int lapic_resume(struct sys_device *dev) apic_write(APIC_LVTERR, apic_pm_state.apic_lvterr); apic_write(APIC_ESR, 0); apic_read(APIC_ESR); + local_irq_restore(flags); + return 0; } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index d834b7583624..e542a2d08de5 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1412,13 +1412,22 @@ static int lapic_resume(struct sys_device *dev) maxlvt = lapic_get_maxlvt(); local_irq_save(flags); - if (!x2apic) { + +#ifdef CONFIG_X86_64 + if (x2apic) + enable_x2apic(); + else +#endif + /* + * Make sure the APICBASE points to the right address + * + * FIXME! This will be wrong if we ever support suspend on + * SMP! We'll need to do this as part of the CPU restore! + */ rdmsr(MSR_IA32_APICBASE, l, h); l &= ~MSR_IA32_APICBASE_BASE; l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; wrmsr(MSR_IA32_APICBASE, l, h); - } else - enable_x2apic(); apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); apic_write(APIC_ID, apic_pm_state.apic_id); @@ -1428,7 +1437,7 @@ static int lapic_resume(struct sys_device *dev) apic_write(APIC_SPIV, apic_pm_state.apic_spiv); apic_write(APIC_LVT0, apic_pm_state.apic_lvt0); apic_write(APIC_LVT1, apic_pm_state.apic_lvt1); -#ifdef CONFIG_X86_MCE_INTEL +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr); #endif @@ -1442,7 +1451,9 @@ static int lapic_resume(struct sys_device *dev) apic_write(APIC_LVTERR, apic_pm_state.apic_lvterr); apic_write(APIC_ESR, 0); apic_read(APIC_ESR); + local_irq_restore(flags); + return 0; } -- GitLab From 24968cfdd4c3cf61338495dd0f9bb8a6907d2087 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:52 +0400 Subject: [PATCH 0393/6244] x86: apic - unify lapic_suspend Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 2 +- arch/x86/kernel/apic_64.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 3d40213d3af2..6cb8aaaf10f5 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1582,7 +1582,7 @@ static int lapic_suspend(struct sys_device *dev, pm_message_t state) apic_pm_state.apic_lvterr = apic_read(APIC_LVTERR); apic_pm_state.apic_tmict = apic_read(APIC_TMICT); apic_pm_state.apic_tdcr = apic_read(APIC_TDCR); -#ifdef CONFIG_X86_MCE_P4THERMAL +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR); #endif diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index e542a2d08de5..13dea935b4eb 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1390,10 +1390,11 @@ static int lapic_suspend(struct sys_device *dev, pm_message_t state) apic_pm_state.apic_lvterr = apic_read(APIC_LVTERR); apic_pm_state.apic_tmict = apic_read(APIC_TMICT); apic_pm_state.apic_tdcr = apic_read(APIC_TDCR); -#ifdef CONFIG_X86_MCE_INTEL +#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) if (maxlvt >= 5) apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR); #endif + local_irq_save(flags); disable_local_APIC(); local_irq_restore(flags); -- GitLab From 274cfe5912eebe9d4e1a4c451fe617289a181fcf Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:53 +0400 Subject: [PATCH 0394/6244] x86: apic - rearrange functions and comments Rearrange functions and comments to find differences easier. Also use apic_printk in setup_boot_APIC_clock for 64bit mode. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 69 ++++++++++++++++++++++----------------- arch/x86/kernel/apic_64.c | 48 +++++++++++++++++++++------ 2 files changed, 77 insertions(+), 40 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 6cb8aaaf10f5..9e8702eebd46 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -251,6 +251,9 @@ int lapic_get_maxlvt(void) * this function twice on the boot CPU, once with a bogus timeout * value, second time for real. The other (noncalibrating) CPUs * call this function only once, with the real, calibrated value. + * + * We do reads before writes even if unnecessary, to get around the + * P5 APIC double write bug. */ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) { @@ -279,6 +282,36 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) apic_write(APIC_TMICT, clocks / APIC_DIVISOR); } +/* + * Setup extended LVT, AMD specific (K8, family 10h) + * + * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and + * MCE interrupts are supported. Thus MCE offset must be set to 0. + */ + +#define APIC_EILVT_LVTOFF_MCE 0 +#define APIC_EILVT_LVTOFF_IBS 1 + +static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask) +{ + unsigned long reg = (lvt_off << 4) + APIC_EILVT0; + unsigned int v = (mask << 16) | (msg_type << 8) | vector; + + apic_write(reg, v); +} + +u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask) +{ + setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask); + return APIC_EILVT_LVTOFF_MCE; +} + +u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) +{ + setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); + return APIC_EILVT_LVTOFF_IBS; +} + /* * Program the next event, relative to now */ @@ -298,7 +331,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, unsigned long flags; unsigned int v; - /* Lapic used for broadcast ? */ + /* Lapic used as dummy for broadcast ? */ if (evt->features & CLOCK_EVT_FEAT_DUMMY) return; @@ -680,35 +713,6 @@ int setup_profiling_timer(unsigned int multiplier) return -EINVAL; } -/* - * Setup extended LVT, AMD specific (K8, family 10h) - * - * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and - * MCE interrupts are supported. Thus MCE offset must be set to 0. - */ - -#define APIC_EILVT_LVTOFF_MCE 0 -#define APIC_EILVT_LVTOFF_IBS 1 - -static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask) -{ - unsigned long reg = (lvt_off << 4) + APIC_EILVT0; - unsigned int v = (mask << 16) | (msg_type << 8) | vector; - apic_write(reg, v); -} - -u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask) -{ - setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask); - return APIC_EILVT_LVTOFF_MCE; -} - -u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) -{ - setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); - return APIC_EILVT_LVTOFF_IBS; -} - /* * Local APIC start and shutdown */ @@ -1542,6 +1546,11 @@ void __cpuinit generic_processor_info(int apicid, int version) #ifdef CONFIG_PM static struct { + /* + * 'active' is true if the local APIC was enabled by us and + * not the BIOS; this signifies that we are also responsible + * for disabling it before entering apm/acpi suspend + */ int active; /* r/w apic fields */ unsigned int apic_id; diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 13dea935b4eb..46523c0cc6f6 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -81,6 +81,9 @@ static void lapic_timer_setup(enum clock_event_mode mode, static void lapic_timer_broadcast(cpumask_t mask); static void apic_pm_activate(void); +/* + * The local apic timer can be used for any function which is CPU local. + */ static struct clock_event_device lapic_clockevent = { .name = "lapic", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT @@ -127,6 +130,11 @@ static int modern_apic(void) return lapic_get_version() >= 0x14; } +/* + * Paravirt kernels also might be using these below ops. So we still + * use generic apic_read()/apic_write(), which might be pointing to different + * ops in PARAVIRT case. + */ void xapic_wait_icr_idle(void) { while (apic_read(APIC_ICR) & APIC_ICR_BUSY) @@ -175,7 +183,6 @@ static struct apic_ops xapic_ops = { }; struct apic_ops __read_mostly *apic_ops = &xapic_ops; - EXPORT_SYMBOL_GPL(apic_ops); static void x2apic_wait_icr_idle(void) @@ -244,6 +251,10 @@ int lapic_get_maxlvt(void) return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; } +/* + * Local APIC timer + */ + /* Clock divisor is set to 1 */ #define APIC_DIVISOR 1 @@ -257,7 +268,6 @@ int lapic_get_maxlvt(void) * We do reads before writes even if unnecessary, to get around the * P5 APIC double write bug. */ - static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) { unsigned int lvtt_value, tmp_value; @@ -474,10 +484,10 @@ static int __init calibrate_APIC_clock(void) void __init setup_boot_APIC_clock(void) { /* - * The local apic timer can be disabled via the kernel commandline. - * Register the lapic timer as a dummy clock event source on SMP - * systems, so the broadcast mechanism is used. On UP systems simply - * ignore it. + * The local apic timer can be disabled via the kernel + * commandline or from the CPU detection code. Register the lapic + * timer as a dummy clock event source on SMP systems, so the + * broadcast mechanism is used. On UP systems simply ignore it. */ if (disable_apic_timer) { printk(KERN_INFO "Disabling APIC timer\n"); @@ -489,7 +499,9 @@ void __init setup_boot_APIC_clock(void) return; } - printk(KERN_INFO "Using local APIC timer interrupts.\n"); + apic_printk(APIC_VERBOSE, "Using local APIC timer interrupts.\n" + "calibrating APIC timer ...\n"); + if (calibrate_APIC_clock()) { /* No broadcast on UP ! */ if (num_possible_cpus() > 1) @@ -508,6 +520,7 @@ void __init setup_boot_APIC_clock(void) printk(KERN_WARNING "APIC timer registered as dummy," " due to nmi_watchdog=%d!\n", nmi_watchdog); + /* Setup the lapic or request the broadcast */ setup_APIC_timer(); } @@ -577,6 +590,7 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) irq_enter(); local_apic_timer_interrupt(); irq_exit(); + set_irq_regs(old_regs); } @@ -1248,6 +1262,13 @@ void __init connect_bsp_APIC(void) enable_apic_mode(); } +/** + * disconnect_bsp_APIC - detach the APIC from the interrupt system + * @virt_wire_setup: indicates, whether virtual wire mode is selected + * + * Virtual wire mode is necessary to deliver legacy interrupts even when the + * APIC is disabled. + */ void disconnect_bsp_APIC(int virt_wire_setup) { /* Go back to Virtual Wire compatibility mode */ @@ -1347,9 +1368,11 @@ int hard_smp_processor_id(void) #ifdef CONFIG_PM static struct { - /* 'active' is true if the local APIC was enabled by us and - not the BIOS; this signifies that we are also responsible - for disabling it before entering apm/acpi suspend */ + /* + * 'active' is true if the local APIC was enabled by us and + * not the BIOS; this signifies that we are also responsible + * for disabling it before entering apm/acpi suspend + */ int active; /* r/w apic fields */ unsigned int apic_id; @@ -1458,6 +1481,11 @@ static int lapic_resume(struct sys_device *dev) return 0; } +/* + * This device has no shutdown method - fully functioning local APICs + * are needed on every CPU up until machine_halt/restart/poweroff. + */ + static struct sysdev_class lapic_sysclass = { .name = "lapic", .resume = lapic_resume, -- GitLab From 9c803869f5f5e3d7ad94b2926474b2882e30073b Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:54 +0400 Subject: [PATCH 0395/6244] x86: apic - unify lapic_is_integrated Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 ++++ arch/x86/kernel/apic_64.c | 6 +++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 9e8702eebd46..41134d4e6a66 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -128,7 +128,11 @@ static inline int lapic_get_version(void) */ static inline int lapic_is_integrated(void) { +#ifdef CONFIG_X86_64 + return 1; +#else return APIC_INTEGRATED(lapic_get_version()); +#endif } /* diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 46523c0cc6f6..18c0b8cd2376 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -111,11 +111,15 @@ static inline int lapic_get_version(void) } /* - * Check, if the APIC is integrated or a seperate chip + * Check, if the APIC is integrated or a separate chip */ static inline int lapic_is_integrated(void) { +#ifdef CONFIG_X86_64 return 1; +#else + return APIC_INTEGRATED(lapic_get_version()); +#endif } /* -- GitLab From cf9768d7514d59b3179a886c4a47908d72e6cf76 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 16 Aug 2008 23:21:55 +0400 Subject: [PATCH 0396/6244] x86: apic - unify xapic_icr_read Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 18c0b8cd2376..5e0738131e58 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -174,7 +174,7 @@ u64 xapic_icr_read(void) icr2 = apic_read(APIC_ICR2); icr1 = apic_read(APIC_ICR); - return (icr1 | ((u64)icr2 << 32)); + return icr1 | ((u64)icr2 << 32); } static struct apic_ops xapic_ops = { -- GitLab From ccdffb9a88b2907b159538d7bfd6256621db4f84 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 26 Jul 2008 14:26:06 +0200 Subject: [PATCH 0397/6244] r8169: get ethtool settings through the generic mii helper It avoids to report unsupported link capabilities with the fast-ethernet only 8101/8102. Signed-off-by: Francois Romieu Tested-by: Martin Capitanio Fixed-by: Ivan Vecera Cc: Edward Hsu --- drivers/net/r8169.c | 99 +++++++++++++++++++++------------------------ 1 file changed, 46 insertions(+), 53 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index a3e3895e5032..dac2677eeede 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -370,8 +370,9 @@ struct ring_info { }; enum features { - RTL_FEATURE_WOL = (1 << 0), - RTL_FEATURE_MSI = (1 << 1), + RTL_FEATURE_WOL = (1 << 0), + RTL_FEATURE_MSI = (1 << 1), + RTL_FEATURE_GMII = (1 << 2), }; struct rtl8169_private { @@ -406,13 +407,15 @@ struct rtl8169_private { struct vlan_group *vlgrp; #endif int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex); - void (*get_settings)(struct net_device *, struct ethtool_cmd *); + int (*get_settings)(struct net_device *, struct ethtool_cmd *); void (*phy_reset_enable)(void __iomem *); void (*hw_start)(struct net_device *); unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); struct delayed_work task; unsigned features; + + struct mii_if_info mii; }; MODULE_AUTHOR("Realtek and the Linux r8169 crew "); @@ -482,6 +485,23 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr) return value; } +static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, + int val) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + mdio_write(ioaddr, location, val); +} + +static int rtl_mdio_read(struct net_device *dev, int phy_id, int location) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + return mdio_read(ioaddr, location); +} + static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) { RTL_W16(IntrMask, 0x0000); @@ -850,7 +870,7 @@ static int rtl8169_rx_vlan_skb(struct rtl8169_private *tp, struct RxDesc *desc, #endif -static void rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) +static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) { struct rtl8169_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; @@ -867,65 +887,29 @@ static void rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) cmd->speed = SPEED_1000; cmd->duplex = DUPLEX_FULL; /* Always set */ + + return 0; } -static void rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd) +static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd) { struct rtl8169_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u8 status; - - cmd->supported = SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP; - - cmd->autoneg = 1; - cmd->advertising = ADVERTISED_TP | ADVERTISED_Autoneg; - - if (tp->phy_auto_nego_reg & ADVERTISE_10HALF) - cmd->advertising |= ADVERTISED_10baseT_Half; - if (tp->phy_auto_nego_reg & ADVERTISE_10FULL) - cmd->advertising |= ADVERTISED_10baseT_Full; - if (tp->phy_auto_nego_reg & ADVERTISE_100HALF) - cmd->advertising |= ADVERTISED_100baseT_Half; - if (tp->phy_auto_nego_reg & ADVERTISE_100FULL) - cmd->advertising |= ADVERTISED_100baseT_Full; - if (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL) - cmd->advertising |= ADVERTISED_1000baseT_Full; - - status = RTL_R8(PHYstatus); - - if (status & _1000bpsF) - cmd->speed = SPEED_1000; - else if (status & _100bps) - cmd->speed = SPEED_100; - else if (status & _10bps) - cmd->speed = SPEED_10; - - if (status & TxFlowCtrl) - cmd->advertising |= ADVERTISED_Asym_Pause; - if (status & RxFlowCtrl) - cmd->advertising |= ADVERTISED_Pause; - - cmd->duplex = ((status & _1000bpsF) || (status & FullDup)) ? - DUPLEX_FULL : DUPLEX_HALF; + + return mii_ethtool_gset(&tp->mii, cmd); } static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct rtl8169_private *tp = netdev_priv(dev); unsigned long flags; + int rc; spin_lock_irqsave(&tp->lock, flags); - tp->get_settings(dev, cmd); + rc = tp->get_settings(dev, cmd); spin_unlock_irqrestore(&tp->lock, flags); - return 0; + return rc; } static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, @@ -1513,7 +1497,7 @@ static const struct rtl_cfg_info { unsigned int align; u16 intr_event; u16 napi_event; - unsigned msi; + unsigned features; } rtl_cfg_infos [] = { [RTL_CFG_0] = { .hw_start = rtl_hw_start_8169, @@ -1522,7 +1506,7 @@ static const struct rtl_cfg_info { .intr_event = SYSErr | LinkChg | RxOverflow | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, - .msi = 0 + .features = RTL_FEATURE_GMII }, [RTL_CFG_1] = { .hw_start = rtl_hw_start_8168, @@ -1531,7 +1515,7 @@ static const struct rtl_cfg_info { .intr_event = SYSErr | LinkChg | RxOverflow | TxErr | TxOK | RxOK | RxErr, .napi_event = TxErr | TxOK | RxOK | RxOverflow, - .msi = RTL_FEATURE_MSI + .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI }, [RTL_CFG_2] = { .hw_start = rtl_hw_start_8101, @@ -1540,7 +1524,7 @@ static const struct rtl_cfg_info { .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, - .msi = RTL_FEATURE_MSI + .features = RTL_FEATURE_MSI } }; @@ -1552,7 +1536,7 @@ static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr, u8 cfg2; cfg2 = RTL_R8(Config2) & ~MSIEnable; - if (cfg->msi) { + if (cfg->features & RTL_FEATURE_MSI) { if (pci_enable_msi(pdev)) { dev_info(&pdev->dev, "no MSI. Back to INTx.\n"); } else { @@ -1578,6 +1562,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data; const unsigned int region = cfg->region; struct rtl8169_private *tp; + struct mii_if_info *mii; struct net_device *dev; void __iomem *ioaddr; unsigned int i; @@ -1602,6 +1587,14 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->pci_dev = pdev; tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); + mii = &tp->mii; + mii->dev = dev; + mii->mdio_read = rtl_mdio_read; + mii->mdio_write = rtl_mdio_write; + mii->phy_id_mask = 0x1f; + mii->reg_num_mask = 0x1f; + mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII); + /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pci_enable_device(pdev); if (rc < 0) { -- GitLab From 458a9f617adfb2fc5f38e7673339115c4ba3290f Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 2 Aug 2008 15:50:02 +0200 Subject: [PATCH 0398/6244] r8169: Tx performance tweak helper Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index dac2677eeede..26fa6e0c6d96 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2054,12 +2054,20 @@ static void rtl_hw_start_8169(struct net_device *dev) RTL_W16(IntrMask, tp->intr_event); } +static void rtl_tx_performance_tweak(struct pci_dev *pdev, u8 force) +{ + u8 ctl; + + pci_read_config_byte(pdev, 0x69, &ctl); + ctl = (ctl & ~0x70) | force; + pci_write_config_byte(pdev, 0x69, ctl); +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->mmio_addr; struct pci_dev *pdev = tp->pci_dev; - u8 ctl; RTL_W8(Cfg9346, Cfg9346_Unlock); @@ -2073,10 +2081,7 @@ static void rtl_hw_start_8168(struct net_device *dev) RTL_W16(CPlusCmd, tp->cp_cmd); - /* Tx performance tweak. */ - pci_read_config_byte(pdev, 0x69, &ctl); - ctl = (ctl & ~0x70) | 0x50; - pci_write_config_byte(pdev, 0x69, ctl); + rtl_tx_performance_tweak(pdev, 0x50); RTL_W16(IntrMitigate, 0x5151); -- GitLab From 9c14ceafa5ca7f57225a43fb0785c56ddc7f1823 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 5 Jul 2008 00:21:15 +0200 Subject: [PATCH 0399/6244] r8169: use pci_find_capability for the PCI-E features Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 26fa6e0c6d96..ae149a930620 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -61,6 +61,7 @@ static const int multicast_filter_limit = 32; /* MAC address length */ #define MAC_ADDR_LEN 6 +#define MAX_READ_REQUEST_SHIFT 12 #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ @@ -412,6 +413,7 @@ struct rtl8169_private { void (*hw_start)(struct net_device *); unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); + int pcie_cap; struct delayed_work task; unsigned features; @@ -1663,6 +1665,10 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_free_res_4; } + tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (!tp->pcie_cap && netif_msg_probe(tp)) + dev_info(&pdev->dev, "no PCI Express capability\n"); + /* Unneeded ? Don't mess with Mrs. Murphy. */ rtl8169_irq_mask_and_ack(ioaddr); @@ -2054,13 +2060,19 @@ static void rtl_hw_start_8169(struct net_device *dev) RTL_W16(IntrMask, tp->intr_event); } -static void rtl_tx_performance_tweak(struct pci_dev *pdev, u8 force) +static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force) { - u8 ctl; + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; - pci_read_config_byte(pdev, 0x69, &ctl); - ctl = (ctl & ~0x70) | force; - pci_write_config_byte(pdev, 0x69, ctl); + pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); + ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); + } } static void rtl_hw_start_8168(struct net_device *dev) @@ -2081,7 +2093,7 @@ static void rtl_hw_start_8168(struct net_device *dev) RTL_W16(CPlusCmd, tp->cp_cmd); - rtl_tx_performance_tweak(pdev, 0x50); + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); RTL_W16(IntrMitigate, 0x5151); @@ -2116,8 +2128,12 @@ static void rtl_hw_start_8101(struct net_device *dev) if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || (tp->mac_version == RTL_GIGA_MAC_VER_16)) { - pci_write_config_word(pdev, 0x68, 0x00); - pci_write_config_word(pdev, 0x69, 0x08); + int cap = tp->pcie_cap; + + if (cap) { + pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_NOSNOOP_EN); + } } RTL_W8(Cfg9346, Cfg9346_Unlock); -- GitLab From f162a5d1b326d54b0be7e3100f69763d8a707721 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 1 Jun 2008 22:37:49 +0200 Subject: [PATCH 0400/6244] r8169: add 8168/8101 registers description Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 47 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 4 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index ae149a930620..600540e3670f 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -197,9 +197,6 @@ enum rtl_registers { Config5 = 0x56, MultiIntr = 0x5c, PHYAR = 0x60, - TBICSR = 0x64, - TBI_ANAR = 0x68, - TBI_LPAR = 0x6a, PHYstatus = 0x6c, RxMaxSize = 0xda, CPlusCmd = 0xe0, @@ -213,6 +210,32 @@ enum rtl_registers { FuncForceEvent = 0xfc, }; +enum rtl8110_registers { + TBICSR = 0x64, + TBI_ANAR = 0x68, + TBI_LPAR = 0x6a, +}; + +enum rtl8168_8101_registers { + CSIDR = 0x64, + CSIAR = 0x68, +#define CSIAR_FLAG 0x80000000 +#define CSIAR_WRITE_CMD 0x80000000 +#define CSIAR_BYTE_ENABLE 0x0f +#define CSIAR_BYTE_ENABLE_SHIFT 12 +#define CSIAR_ADDR_MASK 0x0fff + + EPHYAR = 0x80, +#define EPHYAR_FLAG 0x80000000 +#define EPHYAR_WRITE_CMD 0x80000000 +#define EPHYAR_REG_MASK 0x1f +#define EPHYAR_REG_SHIFT 16 +#define EPHYAR_DATA_MASK 0xffff + DBG_REG = 0xd1, +#define FIX_NAK_1 (1 << 4) +#define FIX_NAK_2 (1 << 3) +}; + enum rtl_register_content { /* InterruptStatusBits */ SYSErr = 0x8000, @@ -266,7 +289,13 @@ enum rtl_register_content { TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ /* Config1 register p.24 */ + LEDS1 = (1 << 7), + LEDS0 = (1 << 6), MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */ + Speed_down = (1 << 4), + MEMMAP = (1 << 3), + IOMAP = (1 << 2), + VPD = (1 << 1), PMEnable = (1 << 0), /* Power Management Enable */ /* Config2 register p. 25 */ @@ -276,6 +305,7 @@ enum rtl_register_content { /* Config3 register p.25 */ MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ /* Config5 register p.27 */ BWF = (1 << 6), /* Accept Broadcast wakeup frame */ @@ -293,7 +323,16 @@ enum rtl_register_content { TBINwComplete = 0x01000000, /* CPlusCmd p.31 */ - PktCntrDisable = (1 << 7), // 8168 + EnableBist = (1 << 15), // 8168 8101 + Mac_dbgo_oe = (1 << 14), // 8168 8101 + Normal_mode = (1 << 13), // unused + Force_half_dup = (1 << 12), // 8168 8101 + Force_rxflow_en = (1 << 11), // 8168 8101 + Force_txflow_en = (1 << 10), // 8168 8101 + Cxpl_dbg_sel = (1 << 9), // 8168 8101 + ASF = (1 << 8), // 8168 8101 + PktCntrDisable = (1 << 7), // 8168 8101 + Mac_dbgo_sel = 0x001c, // 8168 RxVlan = (1 << 6), RxChkSum = (1 << 5), PCIDAC = (1 << 4), -- GitLab From dacf815434a4d5f5b45687873df46927c64cfb19 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 2 Aug 2008 20:44:13 +0200 Subject: [PATCH 0401/6244] r8169: add hw start helpers for the 8168 and the 8101 This commit triggers three 'defined but not used' warnings but I prefer avoiding to tie these helpers to a specific change in the hw start sequences of the 8168 or of the 8101. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 96 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 600540e3670f..f4ad9ff26869 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -526,6 +526,11 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr) return value; } +static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value) +{ + mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); +} + static void rtl_mdio_write(struct net_device *dev, int phy_id, int location, int val) { @@ -543,6 +548,72 @@ static int rtl_mdio_read(struct net_device *dev, int phy_id, int location) return mdio_read(ioaddr, location); } +static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value) +{ + unsigned int i; + + RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | + (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG)) + break; + udelay(10); + } +} + +static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr) +{ + u16 value = 0xffff; + unsigned int i; + + RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(EPHYAR) & EPHYAR_FLAG) { + value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK; + break; + } + udelay(10); + } + + return value; +} + +static void rtl_csi_write(void __iomem *ioaddr, int addr, int value) +{ + unsigned int i; + + RTL_W32(CSIDR, value); + RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (!(RTL_R32(CSIAR) & CSIAR_FLAG)) + break; + udelay(10); + } +} + +static u32 rtl_csi_read(void __iomem *ioaddr, int addr) +{ + u32 value = ~0x00; + unsigned int i; + + RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | + CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); + + for (i = 0; i < 100; i++) { + if (RTL_R32(CSIAR) & CSIAR_FLAG) { + value = RTL_R32(CSIDR); + break; + } + udelay(10); + } + + return value; +} + static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr) { RTL_W16(IntrMask, 0x0000); @@ -2114,6 +2185,31 @@ static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force) } } +static void rtl_csi_access_enable(void __iomem *ioaddr) +{ + u32 csi; + + csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff; + rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000); +} + +struct ephy_info { + unsigned int offset; + u16 mask; + u16 bits; +}; + +static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) +{ + u16 w; + + while (len-- > 0) { + w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits; + rtl_ephy_write(ioaddr, e->offset, w); + e++; + } +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); -- GitLab From 2857ffb7b8913ef713533ac5783abd70a20529e4 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 2 Aug 2008 21:08:49 +0200 Subject: [PATCH 0402/6244] r8169: additional 8101 and 8102 support Signed-off-by: Ivan Vecera Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 124 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 122 insertions(+), 2 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index f4ad9ff26869..bbaf8a55080d 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -96,6 +96,10 @@ enum mac_version { RTL_GIGA_MAC_VER_04 = 0x04, // 8169SB RTL_GIGA_MAC_VER_05 = 0x05, // 8110SCd RTL_GIGA_MAC_VER_06 = 0x06, // 8110SCe + RTL_GIGA_MAC_VER_07 = 0x07, // 8102e + RTL_GIGA_MAC_VER_08 = 0x08, // 8102e + RTL_GIGA_MAC_VER_09 = 0x09, // 8102e + RTL_GIGA_MAC_VER_10 = 0x0a, // 8101e RTL_GIGA_MAC_VER_11 = 0x0b, // 8168Bb RTL_GIGA_MAC_VER_12 = 0x0c, // 8168Be RTL_GIGA_MAC_VER_13 = 0x0d, // 8101Eb @@ -122,6 +126,10 @@ static const struct { _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04, 0xff7e1880), // 8169SB _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05, 0xff7e1880), // 8110SCd _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_06, 0xff7e1880), // 8110SCe + _R("RTL8102e", RTL_GIGA_MAC_VER_07, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_08, 0xff7e1880), // PCI-E + _R("RTL8102e", RTL_GIGA_MAC_VER_09, 0xff7e1880), // PCI-E + _R("RTL8101e", RTL_GIGA_MAC_VER_10, 0xff7e1880), // PCI-E _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11, 0xff7e1880), // PCI-E _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12, 0xff7e1880), // PCI-E _R("RTL8101e", RTL_GIGA_MAC_VER_13, 0xff7e1880), // PCI-E 8139 @@ -837,8 +845,12 @@ static int rtl8169_set_speed_xmii(struct net_device *dev, } } - /* The 8100e/8101e do Fast Ethernet only. */ - if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || + /* The 8100e/8101e/8102e do Fast Ethernet only. */ + if ((tp->mac_version == RTL_GIGA_MAC_VER_07) || + (tp->mac_version == RTL_GIGA_MAC_VER_08) || + (tp->mac_version == RTL_GIGA_MAC_VER_09) || + (tp->mac_version == RTL_GIGA_MAC_VER_10) || + (tp->mac_version == RTL_GIGA_MAC_VER_13) || (tp->mac_version == RTL_GIGA_MAC_VER_14) || (tp->mac_version == RTL_GIGA_MAC_VER_15) || (tp->mac_version == RTL_GIGA_MAC_VER_16)) { @@ -1212,8 +1224,17 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, /* 8101 family. */ + { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 }, + { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, + { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, + { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, + { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, + { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, + { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, /* FIXME: where did these entries come from ? -- FR */ { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, @@ -1375,6 +1396,22 @@ static void rtl8168cx_hw_phy_config(void __iomem *ioaddr) rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } +static void rtl8102e_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0003 }, + { 0x08, 0x441d }, + { 0x01, 0x9100 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x11, 1 << 12); + mdio_patch(ioaddr, 0x19, 1 << 13); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + static void rtl_hw_phy_config(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -1392,6 +1429,11 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_04: rtl8169sb_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_07: + case RTL_GIGA_MAC_VER_08: + case RTL_GIGA_MAC_VER_09: + rtl8102e_hw_phy_config(ioaddr); + break; case RTL_GIGA_MAC_VER_18: rtl8168cp_hw_phy_config(ioaddr); break; @@ -2255,6 +2297,70 @@ static void rtl_hw_start_8168(struct net_device *dev) RTL_W16(IntrMask, tp->intr_event); } +#define R810X_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_half_dup | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + PCIDAC | \ + PCIMulRW) + +static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + static struct ephy_info e_info_8102e_1[] = { + { 0x01, 0, 0x6e65 }, + { 0x02, 0, 0x091f }, + { 0x03, 0, 0xc2f9 }, + { 0x06, 0, 0xafb5 }, + { 0x07, 0, 0x0e00 }, + { 0x19, 0, 0xec80 }, + { 0x01, 0, 0x2e65 }, + { 0x01, 0, 0x6e65 } + }; + u8 cfg1; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, FIX_NAK_1); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, + LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + cfg1 = RTL_R8(Config1); + if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) + RTL_W8(Config1, cfg1 & ~LEDS0); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); + + rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); +} + +static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable); + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); +} + +static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8102e_2(ioaddr, pdev); + + rtl_ephy_write(ioaddr, 0x03, 0xc2f9); +} + static void rtl_hw_start_8101(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -2271,6 +2377,20 @@ static void rtl_hw_start_8101(struct net_device *dev) } } + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_07: + rtl_hw_start_8102e_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_08: + rtl_hw_start_8102e_3(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_09: + rtl_hw_start_8102e_2(ioaddr, pdev); + break; + } + RTL_W8(Cfg9346, Cfg9346_Unlock); RTL_W8(EarlyTxThres, EarlyTxThld); -- GitLab From cd95851785bcfe95fdf73689e8ecb5a1c5959231 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Sun, 17 Aug 2008 07:37:15 -0700 Subject: [PATCH 0403/6244] rcu: fix classic RCU locking cleanup lockdep problem On Fri, Aug 15, 2008 at 04:24:30PM +0200, Ingo Molnar wrote: > > Paul, > > one of your two recent RCU patches caused this lockdep splat in -tip > testing: > > -------------------> > Brought up 2 CPUs > Total of 2 processors activated (6850.87 BogoMIPS). > PM: Adding info for No Bus:platform > khelper used greatest stack depth: 3124 bytes left > > ================================= > [ INFO: inconsistent lock state ] > 2.6.27-rc3-tip #1 > --------------------------------- > inconsistent {softirq-on-W} -> {in-softirq-W} usage. > ksoftirqd/0/4 [HC0[0]:SC1[1]:HE1:SE0] takes: > (&rcu_ctrlblk.lock){-+..}, at: [] __rcu_process_callbacks+0x1ac/0x1f0 > {softirq-on-W} state was registered at: > [] __lock_acquire+0x3f4/0x5b0 > [] lock_acquire+0x89/0xc0 > [] _spin_lock+0x3b/0x70 > [] rcu_init_percpu_data+0x29/0x80 > [] rcu_cpu_notify+0xaf/0xd0 > [] notifier_call_chain+0x2d/0x60 > [] __raw_notifier_call_chain+0x1e/0x30 > [] _cpu_up+0x79/0x110 > [] cpu_up+0x4d/0x70 > [] kernel_init+0xb1/0x200 > [] kernel_thread_helper+0x7/0x10 > [] 0xffffffff > irq event stamp: 14 > hardirqs last enabled at (14): [] trace_hardirqs_on+0xb/0x10 > hardirqs last disabled at (13): [] trace_hardirqs_off+0xb/0x10 > softirqs last enabled at (0): [] copy_process+0x276/0x1190 > softirqs last disabled at (11): [] call_on_stack+0x1a/0x30 > > other info that might help us debug this: > no locks held by ksoftirqd/0/4. > > stack backtrace: > Pid: 4, comm: ksoftirqd/0 Not tainted 2.6.27-rc3-tip #1 > [] print_usage_bug+0x16c/0x1b0 > [] mark_lock+0xa75/0xb10 > [] ? sched_clock+0x15/0x30 > [] __lock_acquire+0x3ad/0x5b0 > [] lock_acquire+0x89/0xc0 > [] ? __rcu_process_callbacks+0x1ac/0x1f0 > [] _spin_lock+0x3b/0x70 > [] ? __rcu_process_callbacks+0x1ac/0x1f0 > [] __rcu_process_callbacks+0x1ac/0x1f0 > [] rcu_process_callbacks+0x26/0x50 > [] __do_softirq+0x95/0x120 > [] ? __do_softirq+0x0/0x120 > [] call_on_stack+0x1a/0x30 > [] ? ksoftirqd+0x96/0x110 > [] ? ksoftirqd+0x0/0x110 > [] ? kthread+0x47/0x80 > [] ? kthread+0x0/0x80 > [] ? kernel_thread_helper+0x7/0x10 > ======================= > calling init_cpufreq_transition_notifier_list+0x0/0x20 > initcall init_cpufreq_transition_notifier_list+0x0/0x20 returned 0 after 0 msecs > calling net_ns_init+0x0/0x190 > net_namespace: 676 bytes > initcall net_ns_init+0x0/0x190 returned 0 after 0 msecs > calling cpufreq_tsc+0x0/0x20 > initcall cpufreq_tsc+0x0/0x20 returned 0 after 0 msecs > calling reboot_init+0x0/0x20 > initcall reboot_init+0x0/0x20 returned 0 after 0 msecs > calling print_banner+0x0/0x10 > Booting paravirtualized kernel on bare hardware > > <----------------------- > > my guess is on: > > commit 1f7b94cd3d564901f9e04a8bc5832ae7bfd690a0 > Author: Paul E. McKenney > Date: Tue Aug 5 09:21:44 2008 -0700 > > rcu: classic RCU locking and memory-barrier cleanups > > Ingo Fixes a problem detected by lockdep in which rcu->lock was acquired both in irq context and in process context, but without disabling from process context. Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index 5de126630b10..fb1f1cc45142 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -700,7 +700,9 @@ void rcu_check_callbacks(int cpu, int user) static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { - spin_lock(&rcp->lock); + long flags; + + spin_lock_irqsave(&rcp->lock, flags); memset(rdp, 0, sizeof(*rdp)); rdp->nxttail[0] = rdp->nxttail[1] = rdp->nxttail[2] = &rdp->nxtlist; rdp->donetail = &rdp->donelist; @@ -708,7 +710,7 @@ static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp, rdp->qs_pending = 0; rdp->cpu = cpu; rdp->blimit = blimit; - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); } static void __cpuinit rcu_online_cpu(int cpu) -- GitLab From 7b22ff5344fda666e0938e5261ea7b9a3dfce497 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Mon, 18 Aug 2008 00:36:18 +0900 Subject: [PATCH 0404/6244] x86 gart: allocate size-aligned address for alloc_coherent, v2 This patch changes GART IOMMU to return a size aligned address wrt dma_alloc_coherent, as DMA-mapping.txt defines: The cpu return address and the DMA bus master address are both guaranteed to be aligned to the smallest PAGE_SIZE order which is greater than or equal to the requested size. This invariant exists (for example) to guarantee that if you allocate a chunk which is smaller than or equal to 64 kilobytes, the extent of the buffer you receive will not cross a 64K boundary. Signed-off-by: FUJITA Tomonori Signed-off-by: Ingo Molnar --- arch/x86/kernel/pci-gart_64.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index cdab67849074..4d8efb05428d 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -82,7 +82,8 @@ AGPEXTERN __u32 *agp_gatt_table; static unsigned long next_bit; /* protected by iommu_bitmap_lock */ static int need_flush; /* global flush state. set for each gart wrap */ -static unsigned long alloc_iommu(struct device *dev, int size) +static unsigned long alloc_iommu(struct device *dev, int size, + unsigned long align_mask) { unsigned long offset, flags; unsigned long boundary_size; @@ -95,11 +96,12 @@ static unsigned long alloc_iommu(struct device *dev, int size) spin_lock_irqsave(&iommu_bitmap_lock, flags); offset = iommu_area_alloc(iommu_gart_bitmap, iommu_pages, next_bit, - size, base_index, boundary_size, 0); + size, base_index, boundary_size, align_mask); if (offset == -1) { need_flush = 1; offset = iommu_area_alloc(iommu_gart_bitmap, iommu_pages, 0, - size, base_index, boundary_size, 0); + size, base_index, boundary_size, + align_mask); } if (offset != -1) { next_bit = offset+size; @@ -236,10 +238,10 @@ nonforced_iommu(struct device *dev, unsigned long addr, size_t size) * Caller needs to check if the iommu is needed and flush. */ static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, - size_t size, int dir) + size_t size, int dir, unsigned long align_mask) { unsigned long npages = iommu_num_pages(phys_mem, size); - unsigned long iommu_page = alloc_iommu(dev, npages); + unsigned long iommu_page = alloc_iommu(dev, npages, align_mask); int i; if (iommu_page == -1) { @@ -262,7 +264,11 @@ static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, static dma_addr_t gart_map_simple(struct device *dev, phys_addr_t paddr, size_t size, int dir) { - dma_addr_t map = dma_map_area(dev, paddr, size, dir); + dma_addr_t map; + unsigned long align_mask; + + align_mask = (1UL << get_order(size)) - 1; + map = dma_map_area(dev, paddr, size, dir, align_mask); flush_gart(); @@ -281,7 +287,8 @@ gart_map_single(struct device *dev, phys_addr_t paddr, size_t size, int dir) if (!need_iommu(dev, paddr, size)) return paddr; - bus = gart_map_simple(dev, paddr, size, dir); + bus = dma_map_area(dev, paddr, size, dir, 0); + flush_gart(); return bus; } @@ -340,7 +347,7 @@ static int dma_map_sg_nonforce(struct device *dev, struct scatterlist *sg, unsigned long addr = sg_phys(s); if (nonforced_iommu(dev, addr, s->length)) { - addr = dma_map_area(dev, addr, s->length, dir); + addr = dma_map_area(dev, addr, s->length, dir, 0); if (addr == bad_dma_address) { if (i > 0) gart_unmap_sg(dev, sg, i, dir); @@ -362,7 +369,7 @@ static int __dma_map_cont(struct device *dev, struct scatterlist *start, int nelems, struct scatterlist *sout, unsigned long pages) { - unsigned long iommu_start = alloc_iommu(dev, pages); + unsigned long iommu_start = alloc_iommu(dev, pages, 0); unsigned long iommu_page = iommu_start; struct scatterlist *s; int i; -- GitLab From d5e629a6f88137fb77c4cc857be5ea7c3f27110d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 17 Aug 2008 21:12:27 -0700 Subject: [PATCH 0405/6244] x86: apic - unify lapic_resume - fix Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 5e0738131e58..ad532dccd11e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1446,6 +1446,7 @@ static int lapic_resume(struct sys_device *dev) enable_x2apic(); else #endif + { /* * Make sure the APICBASE points to the right address * @@ -1456,6 +1457,7 @@ static int lapic_resume(struct sys_device *dev) l &= ~MSR_IA32_APICBASE_BASE; l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; wrmsr(MSR_IA32_APICBASE, l, h); + } apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); apic_write(APIC_ID, apic_pm_state.apic_id); -- GitLab From ded00a56e99555c3f4000ef3eebfd5fe0d574565 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Sun, 17 Aug 2008 12:50:36 -0700 Subject: [PATCH 0406/6244] rcu: remove redundant ACCESS_ONCE definition from rcupreempt.c Remove the redundant definition of ACCESS_ONCE() from rcupreempt.c in favor of the one in compiler.h. Also merge the comment header from rcupreempt.c's definition into that in compiler.h. Signed-off-by: Paul E. McKenney Signed-off-by: Ingo Molnar --- include/linux/compiler.h | 4 +++- kernel/rcupreempt.c | 8 -------- 2 files changed, 3 insertions(+), 9 deletions(-) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index c8bd2daf95ec..8322141ee480 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -190,7 +190,9 @@ extern void __chk_io_ptr(const volatile void __iomem *); * ACCESS_ONCE() in different C statements. * * This macro does absolutely -nothing- to prevent the CPU from reordering, - * merging, or refetching absolutely anything at any time. + * merging, or refetching absolutely anything at any time. Its main intended + * use is to mediate communication between process-level code and irq/NMI + * handlers, all running on the same CPU. */ #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c index 27827931ca0d..ca4bbbe04aa4 100644 --- a/kernel/rcupreempt.c +++ b/kernel/rcupreempt.c @@ -58,14 +58,6 @@ #include #include -/* - * Macro that prevents the compiler from reordering accesses, but does - * absolutely -nothing- to prevent CPUs from reordering. This is used - * only to mediate communication between mainline code and hardware - * interrupt and NMI handlers. - */ -#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) - /* * PREEMPT_RCU data structures. */ -- GitLab From 8bfcb3960fde049b863266dab8c3617bb5a541aa Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Mon, 18 Aug 2008 12:33:20 +0200 Subject: [PATCH 0407/6244] x86: make movsl_mask definition non-CPU specific movsl_mask is currently defined in arch/x86/kernel/cpu/intel.c, which contains code specific to Intel CPUs. However, movsl_mask is used in the non-CPU specific code in arch/x86/lib/usercopy_32.c, which breaks the compilation when support for Intel CPUs is compiled out. This patch solves this problem by moving movsl_mask's definition close to its users in arch/x86/lib/usercopy_32.c. Signed-off-by: Thomas Petazzoni Cc: michael@free-electrons.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/intel.c | 7 ------- arch/x86/lib/usercopy_32.c | 7 +++++++ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index b75f2569b8f8..5c8959b8a42e 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -23,13 +23,6 @@ #include #endif -#ifdef CONFIG_X86_INTEL_USERCOPY -/* - * Alignment at which movsl is preferred for bulk memory copies. - */ -struct movsl_mask movsl_mask __read_mostly; -#endif - static void __cpuinit early_init_intel(struct cpuinfo_x86 *c) { /* Netburst reports 64 bytes clflush size, but does IO in 128 bytes */ diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 24e60944971a..9e68075544f6 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -14,6 +14,13 @@ #include #include +#ifdef CONFIG_X86_INTEL_USERCOPY +/* + * Alignment at which movsl is preferred for bulk memory copies. + */ +struct movsl_mask movsl_mask __read_mostly; +#endif + static inline int __movsl_is_ok(unsigned long a1, unsigned long a2, unsigned long n) { #ifdef CONFIG_X86_INTEL_USERCOPY -- GitLab From 774400a3ba23b63f4de39e67ce6c4e48935809dc Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Mon, 18 Aug 2008 12:33:21 +0200 Subject: [PATCH 0408/6244] x86: move cmpxchg fallbacks to a generic place arch/x86/kernel/cpu/intel.c defines a few fallback functions (cmpxchg_*()) that are used when the CPU doesn't support cmpxchg and/or cmpxchg64 natively. However, while defined in an Intel-specific file, these functions are also used for CPUs from other vendors when they don't support cmpxchg and/or cmpxchg64. This breaks the compilation when support for Intel CPUs is disabled. This patch moves these functions to a new arch/x86/kernel/cpu/cmpxchg.c file, unconditionally compiled when X86_32 is enabled. Signed-off-by: Thomas Petazzoni Cc: michael@free-electrons.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/Makefile | 2 +- arch/x86/kernel/cpu/cmpxchg.c | 72 +++++++++++++++++++++++++++++++++++ arch/x86/kernel/cpu/intel.c | 64 ------------------------------- 3 files changed, 73 insertions(+), 65 deletions(-) create mode 100644 arch/x86/kernel/cpu/cmpxchg.c diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index ee76eaad3001..25b4c063fbf6 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -5,7 +5,7 @@ obj-y := intel_cacheinfo.o addon_cpuid_features.o obj-y += proc.o feature_names.o -obj-$(CONFIG_X86_32) += common.o bugs.o +obj-$(CONFIG_X86_32) += common.o bugs.o cmpxchg.o obj-$(CONFIG_X86_64) += common_64.o bugs_64.o obj-$(CONFIG_X86_32) += amd.o obj-$(CONFIG_X86_64) += amd_64.o diff --git a/arch/x86/kernel/cpu/cmpxchg.c b/arch/x86/kernel/cpu/cmpxchg.c new file mode 100644 index 000000000000..2056ccf572cc --- /dev/null +++ b/arch/x86/kernel/cpu/cmpxchg.c @@ -0,0 +1,72 @@ +/* + * cmpxchg*() fallbacks for CPU not supporting these instructions + */ + +#include +#include +#include + +#ifndef CONFIG_X86_CMPXCHG +unsigned long cmpxchg_386_u8(volatile void *ptr, u8 old, u8 new) +{ + u8 prev; + unsigned long flags; + + /* Poor man's cmpxchg for 386. Unsuitable for SMP */ + local_irq_save(flags); + prev = *(u8 *)ptr; + if (prev == old) + *(u8 *)ptr = new; + local_irq_restore(flags); + return prev; +} +EXPORT_SYMBOL(cmpxchg_386_u8); + +unsigned long cmpxchg_386_u16(volatile void *ptr, u16 old, u16 new) +{ + u16 prev; + unsigned long flags; + + /* Poor man's cmpxchg for 386. Unsuitable for SMP */ + local_irq_save(flags); + prev = *(u16 *)ptr; + if (prev == old) + *(u16 *)ptr = new; + local_irq_restore(flags); + return prev; +} +EXPORT_SYMBOL(cmpxchg_386_u16); + +unsigned long cmpxchg_386_u32(volatile void *ptr, u32 old, u32 new) +{ + u32 prev; + unsigned long flags; + + /* Poor man's cmpxchg for 386. Unsuitable for SMP */ + local_irq_save(flags); + prev = *(u32 *)ptr; + if (prev == old) + *(u32 *)ptr = new; + local_irq_restore(flags); + return prev; +} +EXPORT_SYMBOL(cmpxchg_386_u32); +#endif + +#ifndef CONFIG_X86_CMPXCHG64 +unsigned long long cmpxchg_486_u64(volatile void *ptr, u64 old, u64 new) +{ + u64 prev; + unsigned long flags; + + /* Poor man's cmpxchg8b for 386 and 486. Unsuitable for SMP */ + local_irq_save(flags); + prev = *(u64 *)ptr; + if (prev == old) + *(u64 *)ptr = new; + local_irq_restore(flags); + return prev; +} +EXPORT_SYMBOL(cmpxchg_486_u64); +#endif + diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 5c8959b8a42e..77618c717d76 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -307,69 +307,5 @@ static struct cpu_dev intel_cpu_dev __cpuinitdata = { cpu_vendor_dev_register(X86_VENDOR_INTEL, &intel_cpu_dev); -#ifndef CONFIG_X86_CMPXCHG -unsigned long cmpxchg_386_u8(volatile void *ptr, u8 old, u8 new) -{ - u8 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u8 *)ptr; - if (prev == old) - *(u8 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u8); - -unsigned long cmpxchg_386_u16(volatile void *ptr, u16 old, u16 new) -{ - u16 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u16 *)ptr; - if (prev == old) - *(u16 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u16); - -unsigned long cmpxchg_386_u32(volatile void *ptr, u32 old, u32 new) -{ - u32 prev; - unsigned long flags; - - /* Poor man's cmpxchg for 386. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u32 *)ptr; - if (prev == old) - *(u32 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_386_u32); -#endif - -#ifndef CONFIG_X86_CMPXCHG64 -unsigned long long cmpxchg_486_u64(volatile void *ptr, u64 old, u64 new) -{ - u64 prev; - unsigned long flags; - - /* Poor man's cmpxchg8b for 386 and 486. Unsuitable for SMP */ - local_irq_save(flags); - prev = *(u64 *)ptr; - if (prev == old) - *(u64 *)ptr = new; - local_irq_restore(flags); - return prev; -} -EXPORT_SYMBOL(cmpxchg_486_u64); -#endif - /* arch_initcall(intel_cpu_init); */ -- GitLab From 8d02c2110b3fb8e2700b31596a582a2989fd72ba Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 5 Aug 2008 11:45:19 +0200 Subject: [PATCH 0409/6244] x86: configuration options to compile out x86 CPU support code This patch adds some configuration options that allow to compile out CPU vendor-specific code in x86 kernels (in arch/x86/kernel/cpu). The new configuration options are only visible when CONFIG_EMBEDDED is selected, as they are mostly interesting for space savings reasons. An example of size saving, on x86 with only Intel CPU support: text data bss dec hex filename 1125479 118760 212992 1457231 163c4f vmlinux.old 1121355 116536 212992 1450883 162383 vmlinux -4124 -2224 0 -6348 -18CC +/- However, I'm not exactly sure that the Kconfig wording is correct with regard to !64BIT / 64BIT. [ mingo@elte.hu: convert macro to inline ] Signed-off-by: Thomas Petazzoni Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.cpu | 70 ++++++++++++++++++++++++++++++++++++ arch/x86/kernel/cpu/Makefile | 19 +++++----- include/asm-x86/bugs.h | 5 +++ 3 files changed, 85 insertions(+), 9 deletions(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 2c518fbc52ec..6156ac25ff8c 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -415,3 +415,73 @@ config X86_MINIMUM_CPU_FAMILY config X86_DEBUGCTLMSR def_bool y depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) + +menuconfig PROCESSOR_SELECT + default y + bool "Supported processor vendors" if EMBEDDED + help + This lets you choose what x86 vendor support code your kernel + will include. + +config CPU_SUP_INTEL_32 + default y + bool "Support Intel processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for Intel processors + +config CPU_SUP_INTEL_64 + default y + bool "Support Intel processors" if PROCESSOR_SELECT + depends on 64BIT + help + This enables extended support for Intel processors + +config CPU_SUP_CYRIX_32 + default y + bool "Support Cyrix processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for Cyrix processors + +config CPU_SUP_AMD_32 + default y + bool "Support AMD processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for AMD processors + +config CPU_SUP_AMD_64 + default y + bool "Support AMD processors" if PROCESSOR_SELECT + depends on 64BIT + help + This enables extended support for AMD processors + +config CPU_SUP_CENTAUR_32 + default y + bool "Support Centaur processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for Centaur processors + +config CPU_SUP_CENTAUR_64 + default y + bool "Support Centaur processors" if PROCESSOR_SELECT + depends on 64BIT + help + This enables extended support for Centaur processors + +config CPU_SUP_TRANSMETA_32 + default y + bool "Support Transmeta processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for Transmeta processors + +config CPU_SUP_UMC_32 + default y + bool "Support UMC processors" if PROCESSOR_SELECT + depends on !64BIT + help + This enables extended support for UMC processors diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 25b4c063fbf6..a0fc6c144384 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -7,15 +7,16 @@ obj-y += proc.o feature_names.o obj-$(CONFIG_X86_32) += common.o bugs.o cmpxchg.o obj-$(CONFIG_X86_64) += common_64.o bugs_64.o -obj-$(CONFIG_X86_32) += amd.o -obj-$(CONFIG_X86_64) += amd_64.o -obj-$(CONFIG_X86_32) += cyrix.o -obj-$(CONFIG_X86_32) += centaur.o -obj-$(CONFIG_X86_64) += centaur_64.o -obj-$(CONFIG_X86_32) += transmeta.o -obj-$(CONFIG_X86_32) += intel.o -obj-$(CONFIG_X86_64) += intel_64.o -obj-$(CONFIG_X86_32) += umc.o + +obj-$(CONFIG_CPU_SUP_AMD_32) += amd.o +obj-$(CONFIG_CPU_SUP_AMD_64) += amd_64.o +obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix.o +obj-$(CONFIG_CPU_SUP_CENTAUR_32) += centaur.o +obj-$(CONFIG_CPU_SUP_CENTAUR_64) += centaur_64.o +obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o +obj-$(CONFIG_CPU_SUP_INTEL_32) += intel.o +obj-$(CONFIG_CPU_SUP_INTEL_64) += intel_64.o +obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o obj-$(CONFIG_X86_MCE) += mcheck/ obj-$(CONFIG_MTRR) += mtrr/ diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h index 021cbdd5f258..00e4a0cd6f28 100644 --- a/include/asm-x86/bugs.h +++ b/include/asm-x86/bugs.h @@ -2,6 +2,11 @@ #define _ASM_X86_BUGS_H extern void check_bugs(void); + +#ifdef CONFIG_CPU_SUP_INTEL_32 int ppro_with_ram_bug(void); +#else +static inline int ppro_with_ram_bug(void) { return 0; } +#endif #endif /* _ASM_X86_BUGS_H */ -- GitLab From 75caf6b5acc6b895df9bdd36db631220e1096e9f Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Mon, 18 Aug 2008 16:23:53 +0100 Subject: [PATCH 0410/6244] [JFFS2] Fill in f_fsid field in jffs2_statfs() Signed-off-by: David Woodhouse --- fs/jffs2/fs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index 086c43830221..89e9b735d8df 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -207,6 +207,8 @@ int jffs2_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_files = 0; buf->f_ffree = 0; buf->f_namelen = JFFS2_MAX_NAME_LEN; + buf->f_fsid.val[0] = JFFS2_SUPER_MAGIC; + buf->f_fsid.val[1] = c->mtd->index; spin_lock(&c->erase_completion_lock); avail = c->dirty_size + c->free_size; -- GitLab From b6c8051311e1a14d229df05ea39d0a1b2ce90cdd Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:49 +0400 Subject: [PATCH 0411/6244] x86: apic - rearrange maxcpu definition Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 ++-- arch/x86/kernel/apic_64.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 41134d4e6a66..8d1febf05da1 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -114,6 +114,8 @@ static DEFINE_PER_CPU(struct clock_event_device, lapic_events); static int enabled_via_apicbase; static unsigned long apic_phys; +unsigned int __cpuinitdata maxcpus = NR_CPUS; + /* * Get the LAPIC version @@ -1459,8 +1461,6 @@ void disconnect_bsp_APIC(int virt_wire_setup) } } -unsigned int __cpuinitdata maxcpus = NR_CPUS; - void __cpuinit generic_processor_info(int apicid, int version) { int cpu; diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ad532dccd11e..46acb9b47ae7 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -98,10 +98,10 @@ static struct clock_event_device lapic_clockevent = { static DEFINE_PER_CPU(struct clock_event_device, lapic_events); static unsigned long apic_phys; +unsigned int __cpuinitdata maxcpus = NR_CPUS; unsigned long mp_lapic_addr; -unsigned int __cpuinitdata maxcpus = NR_CPUS; /* * Get the LAPIC version */ -- GitLab From f1ee37891dab6014f6b0ec77b18bc07e2369a55f Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:50 +0400 Subject: [PATCH 0412/6244] x86: apic - unify setup_boot_APIC_clock Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 8d1febf05da1..80db3e0426c4 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -612,6 +612,7 @@ void __init setup_boot_APIC_clock(void) * broadcast mechanism is used. On UP systems simply ignore it. */ if (disable_apic_timer) { + printk(KERN_INFO "Disabling APIC timer\n"); /* No broadcast on UP ! */ if (num_possible_cpus() > 1) { lapic_clockevent.mult = 1; -- GitLab From 990b183e58cb513a62492b6218987750e106cbfb Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:51 +0400 Subject: [PATCH 0413/6244] x86: apic - unify disable_local_APIC Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 +++- arch/x86/kernel/apic_64.c | 14 ++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 80db3e0426c4..13c4b79441da 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -796,7 +796,7 @@ void clear_local_APIC(void) */ void disable_local_APIC(void) { - unsigned long value; + unsigned int value; clear_local_APIC(); @@ -808,6 +808,7 @@ void disable_local_APIC(void) value &= ~APIC_SPIV_APIC_ENABLED; apic_write(APIC_SPIV, value); +#ifdef CONFIG_X86_32 /* * When LAPIC was disabled by the BIOS and enabled by the kernel, * restore the disabled state. @@ -819,6 +820,7 @@ void disable_local_APIC(void) l &= ~MSR_IA32_APICBASE_ENABLE; wrmsr(MSR_IA32_APICBASE, l, h); } +#endif } /* diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 46acb9b47ae7..4fb903b2fc39 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -691,6 +691,20 @@ void disable_local_APIC(void) value = apic_read(APIC_SPIV); value &= ~APIC_SPIV_APIC_ENABLED; apic_write(APIC_SPIV, value); + +#ifdef CONFIG_X86_32 + /* + * When LAPIC was disabled by the BIOS and enabled by the kernel, + * restore the disabled state. + */ + if (enabled_via_apicbase) { + unsigned int l, h; + + rdmsr(MSR_IA32_APICBASE, l, h); + l &= ~MSR_IA32_APICBASE_ENABLE; + wrmsr(MSR_IA32_APICBASE, l, h); + } +#endif } void lapic_shutdown(void) -- GitLab From fe4024dcb0c01e5399394d2807406a2c13fb1eb7 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:52 +0400 Subject: [PATCH 0414/6244] x86: apic - unify lapic_shutdown Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 9 ++++++--- arch/x86/kernel/apic_64.c | 14 +++++++++++++- 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 13c4b79441da..d4efe86adc72 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -838,10 +838,13 @@ void lapic_shutdown(void) local_irq_save(flags); - if (enabled_via_apicbase) - disable_local_APIC(); - else +#ifdef CONFIG_X86_32 + if (!enabled_via_apicbase) clear_local_APIC(); + else +#endif + disable_local_APIC(); + local_irq_restore(flags); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 4fb903b2fc39..48806546d49f 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -707,6 +707,12 @@ void disable_local_APIC(void) #endif } +/* + * If Linux enabled the LAPIC against the BIOS default disable it down before + * re-entering the BIOS on shutdown. Otherwise the BIOS may get confused and + * not power-off. Additionally clear all LVT entries before disable_local_APIC + * for the case where Linux didn't enable the LAPIC. + */ void lapic_shutdown(void) { unsigned long flags; @@ -716,7 +722,13 @@ void lapic_shutdown(void) local_irq_save(flags); - disable_local_APIC(); +#ifdef CONFIG_X86_32 + if (!enabled_via_apicbase) + clear_local_APIC(); + else +#endif + disable_local_APIC(); + local_irq_restore(flags); } -- GitLab From 36c9d6742897fa414f51c4e9d0f20ab4e6bf942c Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:53 +0400 Subject: [PATCH 0415/6244] x86: apic - unify connect_bsp_APIC Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 2 ++ arch/x86/kernel/apic_64.c | 20 ++++++++++++++++++-- 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index d4efe86adc72..6d230e9d0a7d 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1387,6 +1387,7 @@ void smp_error_interrupt(struct pt_regs *regs) */ void __init connect_bsp_APIC(void) { +#ifdef CONFIG_X86_32 if (pic_mode) { /* * Do not trust the local APIC being empty at bootup. @@ -1401,6 +1402,7 @@ void __init connect_bsp_APIC(void) outb(0x70, 0x22); outb(0x01, 0x23); } +#endif enable_apic_mode(); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 48806546d49f..5579e213b5d2 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1285,10 +1285,26 @@ asmlinkage void smp_error_interrupt(void) } /** - * * connect_bsp_APIC - attach the APIC to the interrupt system - * */ + * connect_bsp_APIC - attach the APIC to the interrupt system + */ void __init connect_bsp_APIC(void) { +#ifdef CONFIG_X86_32 + if (pic_mode) { + /* + * Do not trust the local APIC being empty at bootup. + */ + clear_local_APIC(); + /* + * PIC mode, enable APIC mode in the IMCR, i.e. connect BSP's + * local APIC to INT and NMI lines. + */ + apic_printk(APIC_VERBOSE, "leaving PIC mode, " + "enabling APIC mode.\n"); + outb(0x70, 0x22); + outb(0x01, 0x23); + } +#endif enable_apic_mode(); } -- GitLab From c43da2f5e92fe3bcc256f0c0d6cb858368da5bd9 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:54 +0400 Subject: [PATCH 0416/6244] x86: apic - unify lapic_setup_esr We use 32bit code former for 64bit mode since it's much better implementation and easier to merge. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 21 ++++++++-------- arch/x86/kernel/apic_64.c | 51 ++++++++++++++++++++++++++++++--------- 2 files changed, 50 insertions(+), 22 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 6d230e9d0a7d..3c1562afa274 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -983,6 +983,16 @@ static void __cpuinit lapic_setup_esr(void) { unsigned long oldvalue, value, maxlvt; if (lapic_is_integrated() && !esr_disable) { + if (esr_disable) { + /* + * Something untraceable is creating bad interrupts on + * secondary quads ... for the moment, just leave the + * ESR disabled - we can't do anything useful with the + * errors anyway - mbligh + */ + printk(KERN_INFO "Leaving ESR disabled.\n"); + return; + } /* !82489DX */ maxlvt = lapic_get_maxlvt(); if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ @@ -1003,16 +1013,7 @@ static void __cpuinit lapic_setup_esr(void) "vector: 0x%08lx after: 0x%08lx\n", oldvalue, value); } else { - if (esr_disable) - /* - * Something untraceable is creating bad interrupts on - * secondary quads ... for the moment, just leave the - * ESR disabled - we can't do anything useful with the - * errors anyway - mbligh - */ - printk(KERN_INFO "Leaving ESR disabled.\n"); - else - printk(KERN_INFO "No ESR for 82489DX.\n"); + printk(KERN_INFO "No ESR for 82489DX.\n"); } } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 5579e213b5d2..d74abf7e92f7 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -863,6 +863,45 @@ void __init init_bsp_APIC(void) apic_write(APIC_LVT1, value); } +static void __cpuinit lapic_setup_esr(void) +{ + unsigned long oldvalue, value, maxlvt; + if (lapic_is_integrated() && !esr_disable) { + if (esr_disable) { + /* + * Something untraceable is creating bad interrupts on + * secondary quads ... for the moment, just leave the + * ESR disabled - we can't do anything useful with the + * errors anyway - mbligh + */ + printk(KERN_INFO "Leaving ESR disabled.\n"); + return; + } + /* !82489DX */ + maxlvt = lapic_get_maxlvt(); + if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ + apic_write(APIC_ESR, 0); + oldvalue = apic_read(APIC_ESR); + + /* enables sending errors */ + value = ERROR_APIC_VECTOR; + apic_write(APIC_LVTERR, value); + /* + * spec says clear errors after enabling vector. + */ + if (maxlvt > 3) + apic_write(APIC_ESR, 0); + value = apic_read(APIC_ESR); + if (value != oldvalue) + apic_printk(APIC_VERBOSE, "ESR value before enabling " + "vector: 0x%08lx after: 0x%08lx\n", + oldvalue, value); + } else { + printk(KERN_INFO "No ESR for 82489DX.\n"); + } +} + + /** * setup_local_APIC - setup the local APIC */ @@ -968,18 +1007,6 @@ void __cpuinit setup_local_APIC(void) preempt_enable(); } -static void __cpuinit lapic_setup_esr(void) -{ - unsigned maxlvt = lapic_get_maxlvt(); - - apic_write(APIC_LVTERR, ERROR_APIC_VECTOR); - /* - * spec says clear errors after enabling vector. - */ - if (maxlvt > 3) - apic_write(APIC_ESR, 0); -} - void __cpuinit end_local_APIC_setup(void) { lapic_setup_esr(); -- GitLab From c40aaec6868401671a0ca14ed77e9b2da2d1f223 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:55 +0400 Subject: [PATCH 0417/6244] x86: apic - unify __setup_APIC_LVTT Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 10 +++++++--- arch/x86/kernel/apic_64.c | 12 ++++++++---- 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 3c1562afa274..65419c7d437f 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -248,8 +248,12 @@ int lapic_get_maxlvt(void) * Local APIC timer */ -/* Clock divisor is set to 16 */ +/* Clock divisor */ +#ifdef CONFG_X86_64 +#define APIC_DIVISOR 1 +#else #define APIC_DIVISOR 16 +#endif /* * This function sets up the local APIC timer, with a timeout of @@ -281,8 +285,8 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) */ tmp_value = apic_read(APIC_TDCR); apic_write(APIC_TDCR, - (tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) | - APIC_TDR_DIV_16); + (tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) | + APIC_TDR_DIV_16); if (!oneshot) apic_write(APIC_TMICT, clocks / APIC_DIVISOR); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index d74abf7e92f7..fe57db9f3fbb 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -259,8 +259,12 @@ int lapic_get_maxlvt(void) * Local APIC timer */ -/* Clock divisor is set to 1 */ +/* Clock divisor */ +#ifdef CONFG_X86_64 #define APIC_DIVISOR 1 +#else +#define APIC_DIVISOR 16 +#endif /* * This function sets up the local APIC timer, with a timeout of @@ -291,9 +295,9 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) * Divide PICLK by 16 */ tmp_value = apic_read(APIC_TDCR); - apic_write(APIC_TDCR, (tmp_value - & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) - | APIC_TDR_DIV_16); + apic_write(APIC_TDCR, + (tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) | + APIC_TDR_DIV_16); if (!oneshot) apic_write(APIC_TMICT, clocks / APIC_DIVISOR); -- GitLab From c177b0bc03e0e11623e2099db42903fb0caf0fd3 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:56 +0400 Subject: [PATCH 0418/6244] x86: apic - unify disconnect_bsp_APIC - just #ifdef added Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 66 ++++++++++++++++++++------------------- arch/x86/kernel/apic_64.c | 23 ++++++++++++-- 2 files changed, 55 insertions(+), 34 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 65419c7d437f..3095bb71eaed 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1420,6 +1420,7 @@ void __init connect_bsp_APIC(void) */ void disconnect_bsp_APIC(int virt_wire_setup) { +#ifdef CONFIG_X86_32 if (pic_mode) { /* * Put the board back into PIC mode (has an effect only on @@ -1431,47 +1432,48 @@ void disconnect_bsp_APIC(int virt_wire_setup) "entering PIC mode.\n"); outb(0x70, 0x22); outb(0x00, 0x23); - } else { - /* Go back to Virtual Wire compatibility mode */ - unsigned long value; + return; + } +#endif - /* For the spurious interrupt use vector F, and enable it */ - value = apic_read(APIC_SPIV); - value &= ~APIC_VECTOR_MASK; - value |= APIC_SPIV_APIC_ENABLED; - value |= 0xf; - apic_write(APIC_SPIV, value); + /* Go back to Virtual Wire compatibility mode */ + unsigned int value; - if (!virt_wire_setup) { - /* - * For LVT0 make it edge triggered, active high, - * external and enabled - */ - value = apic_read(APIC_LVT0); - value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | - APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | - APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED); - value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING; - value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT); - apic_write(APIC_LVT0, value); - } else { - /* Disable LVT0 */ - apic_write(APIC_LVT0, APIC_LVT_MASKED); - } + /* For the spurious interrupt use vector F, and enable it */ + value = apic_read(APIC_SPIV); + value &= ~APIC_VECTOR_MASK; + value |= APIC_SPIV_APIC_ENABLED; + value |= 0xf; + apic_write(APIC_SPIV, value); + if (!virt_wire_setup) { /* - * For LVT1 make it edge triggered, active high, nmi and - * enabled + * For LVT0 make it edge triggered, active high, + * external and enabled */ - value = apic_read(APIC_LVT1); - value &= ~( - APIC_MODE_MASK | APIC_SEND_PENDING | + value = apic_read(APIC_LVT0); + value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED); value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING; - value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI); - apic_write(APIC_LVT1, value); + value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT); + apic_write(APIC_LVT0, value); + } else { + /* Disable LVT0 */ + apic_write(APIC_LVT0, APIC_LVT_MASKED); } + + /* + * For LVT1 make it edge triggered, active high, + * nmi and enabled + */ + value = apic_read(APIC_LVT1); + value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | + APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | + APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED); + value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING; + value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI); + apic_write(APIC_LVT1, value); } void __cpuinit generic_processor_info(int apicid, int version) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index fe57db9f3fbb..0d969103fce7 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1348,8 +1348,24 @@ void __init connect_bsp_APIC(void) */ void disconnect_bsp_APIC(int virt_wire_setup) { +#ifdef CONFIG_X86_32 + if (pic_mode) { + /* + * Put the board back into PIC mode (has an effect only on + * certain older boards). Note that APIC interrupts, including + * IPIs, won't work beyond this point! The only exception are + * INIT IPIs. + */ + apic_printk(APIC_VERBOSE, "disabling APIC mode, " + "entering PIC mode.\n"); + outb(0x70, 0x22); + outb(0x00, 0x23); + return; + } +#endif + /* Go back to Virtual Wire compatibility mode */ - unsigned long value; + unsigned int value; /* For the spurious interrupt use vector F, and enable it */ value = apic_read(APIC_SPIV); @@ -1375,7 +1391,10 @@ void disconnect_bsp_APIC(int virt_wire_setup) apic_write(APIC_LVT0, APIC_LVT_MASKED); } - /* For LVT1 make it edge triggered, active high, nmi and enabled */ + /* + * For LVT1 make it edge triggered, active high, + * nmi and enabled + */ value = apic_read(APIC_LVT1); value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | -- GitLab From 1b313f4a6d7bee7b2c034b3f1e203bc360a71cca Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:57 +0400 Subject: [PATCH 0419/6244] x86: apic - generic_processor_info - use physid_set instead of phys_cpu and physids_or - set phys_cpu_present_map bit AFTER check for allowed number of processors - add checking for APIC valid version in 64bit mode (mostly not needed but added for merging purpose) - add apic_version definition for 64bit mode which is used now Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 15 +++++++------- arch/x86/kernel/apic_64.c | 41 +++++++++++++++++++++++++++++++++++++-- 2 files changed, 47 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 3095bb71eaed..c3a252b1a8be 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1480,7 +1480,6 @@ void __cpuinit generic_processor_info(int apicid, int version) { int cpu; cpumask_t tmp_map; - physid_mask_t phys_cpu; /* * Validate version @@ -1493,9 +1492,6 @@ void __cpuinit generic_processor_info(int apicid, int version) } apic_version[apicid] = version; - phys_cpu = apicid_to_cpu_present(apicid); - physids_or(phys_cpu_present_map, phys_cpu_present_map, phys_cpu); - if (num_processors >= NR_CPUS) { printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached." " Processor ignored.\n", NR_CPUS); @@ -1512,17 +1508,19 @@ void __cpuinit generic_processor_info(int apicid, int version) cpus_complement(tmp_map, cpu_present_map); cpu = first_cpu(tmp_map); - if (apicid == boot_cpu_physical_apicid) + physid_set(apicid, phys_cpu_present_map); + if (apicid == boot_cpu_physical_apicid) { /* * x86_bios_cpu_apicid is required to have processors listed * in same order as logical cpu numbers. Hence the first * entry is BSP, and so on. */ cpu = 0; - + } if (apicid > max_physical_apicid) max_physical_apicid = apicid; +#ifdef CONFIG_X86_32 /* * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y * but we need to work other dependencies like SMP_SUSPEND etc @@ -1542,7 +1540,9 @@ void __cpuinit generic_processor_info(int apicid, int version) def_to_bigsmp = 1; } } -#ifdef CONFIG_SMP +#endif + +#if defined(CONFIG_X86_SMP) || defined(CONFIG_X86_64) /* are we being called early in kernel startup? */ if (early_per_cpu_ptr(x86_cpu_to_apicid)) { u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid); @@ -1555,6 +1555,7 @@ void __cpuinit generic_processor_info(int apicid, int version) per_cpu(x86_bios_cpu_apicid, cpu) = apicid; } #endif + cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_present_map); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 0d969103fce7..76c20773bedf 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1215,6 +1215,8 @@ void __init init_apic_mappings(void) * This initializes the IO-APIC and APIC hardware if this is * a UP kernel. */ +int apic_version[MAX_APICS]; + int __init APIC_init_uniprocessor(void) { if (disable_apic) { @@ -1409,15 +1411,26 @@ void __cpuinit generic_processor_info(int apicid, int version) int cpu; cpumask_t tmp_map; + /* + * Validate version + */ + if (version == 0x0) { + printk(KERN_WARNING "BIOS bug, APIC version is 0 for CPU#%d! " + "fixing up to 0x10. (tell your hw vendor)\n", + version); + version = 0x10; + } + apic_version[apicid] = version; + if (num_processors >= NR_CPUS) { printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached." - " Processor ignored.\n", NR_CPUS); + " Processor ignored.\n", NR_CPUS); return; } if (num_processors >= maxcpus) { printk(KERN_WARNING "WARNING: maxcpus limit of %i reached." - " Processor ignored.\n", maxcpus); + " Processor ignored.\n", maxcpus); return; } @@ -1437,6 +1450,29 @@ void __cpuinit generic_processor_info(int apicid, int version) if (apicid > max_physical_apicid) max_physical_apicid = apicid; +#ifdef CONFIG_X86_32 + /* + * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y + * but we need to work other dependencies like SMP_SUSPEND etc + * before this can be done without some confusion. + * if (CPU_HOTPLUG_ENABLED || num_processors > 8) + * - Ashok Raj + */ + if (max_physical_apicid >= 8) { + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + if (!APIC_XAPIC(version)) { + def_to_bigsmp = 0; + break; + } + /* If P4 and above fall through */ + case X86_VENDOR_AMD: + def_to_bigsmp = 1; + } + } +#endif + +#if defined(CONFIG_X86_SMP) || defined(CONFIG_X86_64) /* are we being called early in kernel startup? */ if (early_per_cpu_ptr(x86_cpu_to_apicid)) { u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid); @@ -1448,6 +1484,7 @@ void __cpuinit generic_processor_info(int apicid, int version) per_cpu(x86_cpu_to_apicid, cpu) = apicid; per_cpu(x86_bios_cpu_apicid, cpu) = apicid; } +#endif cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_present_map); -- GitLab From fa6b95fc7c6f2f3eb1560e1f33cd13197546c5a0 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:58 +0400 Subject: [PATCH 0420/6244] x86: apic - unify end_local_APIC_setup Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 6 ++++-- arch/x86/kernel/apic_64.c | 9 +++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index c3a252b1a8be..f1882329b9cf 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1155,13 +1155,15 @@ void __cpuinit setup_local_APIC(void) void __cpuinit end_local_APIC_setup(void) { - unsigned long value; - lapic_setup_esr(); + +#ifdef CONFIG_X86_32 + unsigned int value; /* Disable the local apic timer */ value = apic_read(APIC_LVTT); value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); apic_write(APIC_LVTT, value); +#endif setup_apic_nmi_watchdog(NULL); apic_pm_activate(); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 76c20773bedf..eec10b34dc49 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1014,6 +1014,15 @@ void __cpuinit setup_local_APIC(void) void __cpuinit end_local_APIC_setup(void) { lapic_setup_esr(); + +#ifdef CONFIG_X86_32 + unsigned int value; + /* Disable the local apic timer */ + value = apic_read(APIC_LVTT); + value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); + apic_write(APIC_LVTT, value); +#endif + setup_apic_nmi_watchdog(NULL); apic_pm_activate(); } -- GitLab From 0b23e8cf553f5e706b0057363f1319867bcd1a7d Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:45:59 +0400 Subject: [PATCH 0421/6244] x86: apic - unify local_apic_timer_interrupt Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 4 ++++ arch/x86/kernel/apic_64.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index f1882329b9cf..af227bce23b1 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -685,7 +685,11 @@ static void local_apic_timer_interrupt(void) /* * the NMI deadlock-detector uses this. */ +#ifdef CONFIG_X86_64 + add_pda(apic_timer_irqs, 1); +#else per_cpu(irq_stat, cpu).apic_timer_irqs++; +#endif evt->event_handler(evt); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index eec10b34dc49..a9ad2cb4ff95 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -567,7 +567,11 @@ static void local_apic_timer_interrupt(void) /* * the NMI deadlock-detector uses this. */ +#ifdef CONFIG_X86_64 add_pda(apic_timer_irqs, 1); +#else + per_cpu(irq_stat, cpu).apic_timer_irqs++; +#endif evt->event_handler(evt); } -- GitLab From 79af9bec60e6e218a1e48e8830d603d64a7fc441 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:46:00 +0400 Subject: [PATCH 0422/6244] x86: apic - unify apic_set_verbosity Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 17 ++++++++++++--- arch/x86/kernel/apic_64.c | 46 +++++++++++++++++++++------------------ 2 files changed, 39 insertions(+), 24 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index af227bce23b1..acbc4dea2ee8 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1768,13 +1768,24 @@ early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); static int __init apic_set_verbosity(char *arg) { - if (!arg) + if (!arg) { +#ifdef CONFIG_X86_64 + skip_ioapic_setup = 0; + ioapic_force = 1; + return 0; +#endif return -EINVAL; + } - if (strcmp(arg, "debug") == 0) + if (strcmp("debug", arg) == 0) apic_verbosity = APIC_DEBUG; - else if (strcmp(arg, "verbose") == 0) + else if (strcmp("verbose", arg) == 0) apic_verbosity = APIC_VERBOSE; + else { + printk(KERN_WARNING "APIC Verbosity level %s not recognised" + " use apic=verbose or apic=debug\n", arg); + return -EINVAL; + } return 0; } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index a9ad2cb4ff95..999781810c09 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1759,27 +1759,6 @@ early_param("nox2apic", setup_nox2apic); /* * APIC command line parameters */ -static int __init apic_set_verbosity(char *str) -{ - if (str == NULL) { - skip_ioapic_setup = 0; - ioapic_force = 1; - return 0; - } - if (strcmp("debug", str) == 0) - apic_verbosity = APIC_DEBUG; - else if (strcmp("verbose", str) == 0) - apic_verbosity = APIC_VERBOSE; - else { - printk(KERN_WARNING "APIC Verbosity level %s not recognised" - " use apic=verbose or apic=debug\n", str); - return -EINVAL; - } - - return 0; -} -early_param("apic", apic_set_verbosity); - static __init int setup_disableapic(char *str) { disable_apic = 1; @@ -1824,6 +1803,31 @@ static __init int setup_apicpmtimer(char *s) } __setup("apicpmtimer", setup_apicpmtimer); +static int __init apic_set_verbosity(char *arg) +{ + if (!arg) { +#ifdef CONFIG_X86_64 + skip_ioapic_setup = 0; + ioapic_force = 1; + return 0; +#endif + return -EINVAL; + } + + if (strcmp("debug", arg) == 0) + apic_verbosity = APIC_DEBUG; + else if (strcmp("verbose", arg) == 0) + apic_verbosity = APIC_VERBOSE; + else { + printk(KERN_WARNING "APIC Verbosity level %s not recognised" + " use apic=verbose or apic=debug\n", arg); + return -EINVAL; + } + + return 0; +} +early_param("apic", apic_set_verbosity); + static int __init lapic_insert_resource(void) { if (!apic_phys) -- GitLab From 789fa735712d726b5cfa5c6be57171b5637a4872 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:46:01 +0400 Subject: [PATCH 0423/6244] x86: apic - unify disableapic and nolapic setup handlers Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 11 +++++++++-- arch/x86/kernel/apic_64.c | 6 +++--- 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index acbc4dea2ee8..5680bda62f78 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1737,13 +1737,20 @@ static int __init parse_lapic(char *arg) } early_param("lapic", parse_lapic); -static int __init parse_nolapic(char *arg) +static int __init setup_disableapic(char *arg) { disable_apic = 1; setup_clear_cpu_cap(X86_FEATURE_APIC); return 0; } -early_param("nolapic", parse_nolapic); +early_param("disableapic", setup_disableapic); + +/* same as disableapic, for compatibility */ +static int __init setup_nolapic(char *arg) +{ + return setup_disableapic(arg); +} +early_param("nolapic", setup_nolapic); static int __init parse_disable_apic_timer(char *arg) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 999781810c09..7a317180ba2e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1759,7 +1759,7 @@ early_param("nox2apic", setup_nox2apic); /* * APIC command line parameters */ -static __init int setup_disableapic(char *str) +static int __init setup_disableapic(char *arg) { disable_apic = 1; setup_clear_cpu_cap(X86_FEATURE_APIC); @@ -1768,9 +1768,9 @@ static __init int setup_disableapic(char *str) early_param("disableapic", setup_disableapic); /* same as disableapic, for compatibility */ -static __init int setup_nolapic(char *str) +static int __init setup_nolapic(char *arg) { - return setup_disableapic(str); + return setup_disableapic(arg); } early_param("nolapic", setup_nolapic); -- GitLab From 3415610b8e38b26b52a430b8846665c2d6bb3558 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:46:02 +0400 Subject: [PATCH 0424/6244] x86: apic - rearrange parse_lapic_timer_c2_ok Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 5680bda62f78..885e306420ac 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1752,6 +1752,13 @@ static int __init setup_nolapic(char *arg) } early_param("nolapic", setup_nolapic); +static int __init parse_lapic_timer_c2_ok(char *arg) +{ + local_apic_timer_c2_ok = 1; + return 0; +} +early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); + static int __init parse_disable_apic_timer(char *arg) { disable_apic_timer = 1; @@ -1766,13 +1773,6 @@ static int __init parse_nolapic_timer(char *arg) } early_param("nolapic_timer", parse_nolapic_timer); -static int __init parse_lapic_timer_c2_ok(char *arg) -{ - local_apic_timer_c2_ok = 1; - return 0; -} -early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); - static int __init apic_set_verbosity(char *arg) { if (!arg) { -- GitLab From e75bedf415f300a08e9bbcc755784e488574a73e Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 20:46:03 +0400 Subject: [PATCH 0425/6244] x86: apic - lapic_resume 32bit - unification fix Just add parenthesis to be identical of current 64bit implementation (so diff will not complain). Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 885e306420ac..e975562a76a5 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1646,6 +1646,7 @@ static int lapic_resume(struct sys_device *dev) enable_x2apic(); else #endif + { /* * Make sure the APICBASE points to the right address * @@ -1656,6 +1657,7 @@ static int lapic_resume(struct sys_device *dev) l &= ~MSR_IA32_APICBASE_BASE; l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; wrmsr(MSR_IA32_APICBASE, l, h); + } apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); apic_write(APIC_ID, apic_pm_state.apic_id); -- GitLab From 1b4ee4e4096d430c4c12516c1d30a6b0b4f9e9e4 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 18 Aug 2008 23:12:33 +0400 Subject: [PATCH 0426/6244] x86: apic - compilation warnings fix Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 15 +++++++++------ arch/x86/kernel/apic_64.c | 15 +++++++++------ 2 files changed, 18 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index e975562a76a5..b8d80c291650 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1162,11 +1162,13 @@ void __cpuinit end_local_APIC_setup(void) lapic_setup_esr(); #ifdef CONFIG_X86_32 - unsigned int value; - /* Disable the local apic timer */ - value = apic_read(APIC_LVTT); - value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); - apic_write(APIC_LVTT, value); + { + unsigned int value; + /* Disable the local apic timer */ + value = apic_read(APIC_LVTT); + value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); + apic_write(APIC_LVTT, value); + } #endif setup_apic_nmi_watchdog(NULL); @@ -1426,6 +1428,8 @@ void __init connect_bsp_APIC(void) */ void disconnect_bsp_APIC(int virt_wire_setup) { + unsigned int value; + #ifdef CONFIG_X86_32 if (pic_mode) { /* @@ -1443,7 +1447,6 @@ void disconnect_bsp_APIC(int virt_wire_setup) #endif /* Go back to Virtual Wire compatibility mode */ - unsigned int value; /* For the spurious interrupt use vector F, and enable it */ value = apic_read(APIC_SPIV); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 7a317180ba2e..37e037606f30 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1020,11 +1020,13 @@ void __cpuinit end_local_APIC_setup(void) lapic_setup_esr(); #ifdef CONFIG_X86_32 - unsigned int value; - /* Disable the local apic timer */ - value = apic_read(APIC_LVTT); - value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); - apic_write(APIC_LVTT, value); + { + unsigned int value; + /* Disable the local apic timer */ + value = apic_read(APIC_LVTT); + value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); + apic_write(APIC_LVTT, value); + } #endif setup_apic_nmi_watchdog(NULL); @@ -1363,6 +1365,8 @@ void __init connect_bsp_APIC(void) */ void disconnect_bsp_APIC(int virt_wire_setup) { + unsigned int value; + #ifdef CONFIG_X86_32 if (pic_mode) { /* @@ -1380,7 +1384,6 @@ void disconnect_bsp_APIC(int virt_wire_setup) #endif /* Go back to Virtual Wire compatibility mode */ - unsigned int value; /* For the spurious interrupt use vector F, and enable it */ value = apic_read(APIC_SPIV); -- GitLab From 467cd0529a480c9c25f06154b788d1d1ba77828a Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Mon, 18 Aug 2008 16:56:29 -0700 Subject: [PATCH 0427/6244] x86: early_printk.c trivial sparse fixes arch/x86/kernel/early_printk.c:404:13: warning: incorrect type in assignment (different base types) arch/x86/kernel/early_printk.c:404:13: expected restricted __le16 [assigned] [usertype] wValue arch/x86/kernel/early_printk.c:404:13: got int [signed] value arch/x86/kernel/early_printk.c:405:13: warning: incorrect type in assignment (different base types) arch/x86/kernel/early_printk.c:405:13: expected restricted __le16 [assigned] [usertype] wIndex arch/x86/kernel/early_printk.c:405:13: got int [signed] index arch/x86/kernel/early_printk.c:406:14: warning: incorrect type in assignment (different base types) arch/x86/kernel/early_printk.c:406:14: expected restricted __le16 [assigned] [usertype] wLength arch/x86/kernel/early_printk.c:406:14: got int [signed] size arch/x86/kernel/early_printk.c:845:16: warning: Using plain integer as NULL pointer arch/x86/kernel/early_printk.c:992:13: warning: symbol 'enable_debug_console' was not declared. Should it be static? Signed-off-by: Harvey Harrison Signed-off-by: Ingo Molnar --- arch/x86/kernel/early_printk.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 28155acf706e..825e9136b026 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -401,9 +401,9 @@ static int dbgp_control_msg(unsigned devnum, int requesttype, int request, /* Compute the control message */ req.bRequestType = requesttype; req.bRequest = request; - req.wValue = value; - req.wIndex = index; - req.wLength = size; + req.wValue = cpu_to_le16(value); + req.wIndex = cpu_to_le16(index); + req.wLength = cpu_to_le16(size); pids = DBGP_PID_SET(USB_PID_DATA0, USB_PID_SETUP); addr = DBGP_EPADDR(devnum, 0); @@ -842,7 +842,7 @@ static int __init early_dbgp_init(char *s) ret = ehci_setup(); if (ret < 0) { dbgp_printk("ehci_setup failed\n"); - ehci_debug = 0; + ehci_debug = NULL; return -1; } @@ -989,7 +989,7 @@ static int __init setup_early_printk(char *buf) return 0; } -void __init enable_debug_console(char *buf) +static void __init enable_debug_console(char *buf) { #ifdef DBGP_DEBUG struct console *old_early_console = NULL; -- GitLab From e2fe16d91228a005811335fbc4fbad5d4f5b75af Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Fri, 15 Aug 2008 15:36:31 -0700 Subject: [PATCH 0428/6244] x86: boot: stub out unimplemented CPU feature words The CPU feature detection code in the boot code is somewhat minimal, and doesn't include all possible CPUID words. In particular, it doesn't contain the code for CPU feature words 2 (Transmeta), 3 (Linux-specific), 5 (VIA), or 7 (scattered). Zero them out, so we can still set those bits as known at compile time; in particular, this allows creating a Linux-specific NOPL flag and have it required (and therefore resolvable at compile time) in 64-bit mode. Signed-off-by: H. Peter Anvin --- arch/x86/boot/cpucheck.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c index 7804389ee005..19b14f7ef9f1 100644 --- a/arch/x86/boot/cpucheck.c +++ b/arch/x86/boot/cpucheck.c @@ -46,12 +46,12 @@ static const u32 req_flags[NCAPINTS] = { REQUIRED_MASK0, REQUIRED_MASK1, - REQUIRED_MASK2, - REQUIRED_MASK3, + 0, /* REQUIRED_MASK2 not implemented in this file */ + 0, /* REQUIRED_MASK3 not implemented in this file */ REQUIRED_MASK4, - REQUIRED_MASK5, + 0, /* REQUIRED_MASK5 not implemented in this file */ REQUIRED_MASK6, - REQUIRED_MASK7, + 0, /* REQUIRED_MASK7 not implemented in this file */ }; #define A32(a, b, c, d) (((d) << 24)+((c) << 16)+((b) << 8)+(a)) -- GitLab From 7e00df5818964298c9821365a6cb7a8304227c5c Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 18 Aug 2008 17:39:32 -0700 Subject: [PATCH 0429/6244] x86: add NOPL as a synthetic CPU feature bit The long noops ("NOPL") are supposed to be detected by family >= 6. Unfortunately, several non-Intel x86 implementations, both hardware and software, don't obey this dictum. Instead, probe for NOPL directly by executing a NOPL instruction and see if we get #UD. Signed-off-by: H. Peter Anvin --- arch/x86/kernel/cpu/common.c | 32 ++++++++++++++++++++++++- arch/x86/kernel/cpu/common_64.c | 36 +++++++++++++++++++++++++++++ arch/x86/kernel/cpu/feature_names.c | 3 ++- include/asm-x86/cpufeature.h | 11 +++++---- include/asm-x86/required-features.h | 8 ++++++- 5 files changed, 82 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 80ab20d4fa39..0785b3c8d043 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -13,6 +13,7 @@ #include #include #include +#include #ifdef CONFIG_X86_LOCAL_APIC #include #include @@ -341,6 +342,35 @@ static void __init early_cpu_detect(void) early_get_cap(c); } +/* + * The NOPL instruction is supposed to exist on all CPUs with + * family >= 6, unfortunately, that's not true in practice because + * of early VIA chips and (more importantly) broken virtualizers that + * are not easy to detect. Hence, probe for it based on first + * principles. + */ +static void __cpuinit detect_nopl(struct cpuinfo_x86 *c) +{ + const u32 nopl_signature = 0x888c53b1; /* Random number */ + u32 has_nopl = nopl_signature; + + clear_cpu_cap(c, X86_FEATURE_NOPL); + if (c->x86 >= 6) { + asm volatile("\n" + "1: .byte 0x0f,0x1f,0xc0\n" /* nopl %eax */ + "2:\n" + " .section .fixup,\"ax\"\n" + "3: xor %0,%0\n" + " jmp 2b\n" + " .previous\n" + _ASM_EXTABLE(1b,3b) + : "+a" (has_nopl)); + + if (has_nopl == nopl_signature) + set_cpu_cap(c, X86_FEATURE_NOPL); + } +} + static void __cpuinit generic_identify(struct cpuinfo_x86 *c) { u32 tfms, xlvl; @@ -395,8 +425,8 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) } init_scattered_cpuid_features(c); + detect_nopl(c); } - } static void __cpuinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c) diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c index dd6e3f15017e..c3afba5a81a7 100644 --- a/arch/x86/kernel/cpu/common_64.c +++ b/arch/x86/kernel/cpu/common_64.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #ifdef CONFIG_X86_LOCAL_APIC #include @@ -215,6 +216,39 @@ static void __init early_cpu_support_print(void) } } +/* + * The NOPL instruction is supposed to exist on all CPUs with + * family >= 6, unfortunately, that's not true in practice because + * of early VIA chips and (more importantly) broken virtualizers that + * are not easy to detect. Hence, probe for it based on first + * principles. + * + * Note: no 64-bit chip is known to lack these, but put the code here + * for consistency with 32 bits, and to make it utterly trivial to + * diagnose the problem should it ever surface. + */ +static void __cpuinit detect_nopl(struct cpuinfo_x86 *c) +{ + const u32 nopl_signature = 0x888c53b1; /* Random number */ + u32 has_nopl = nopl_signature; + + clear_cpu_cap(c, X86_FEATURE_NOPL); + if (c->x86 >= 6) { + asm volatile("\n" + "1: .byte 0x0f,0x1f,0xc0\n" /* nopl %eax */ + "2:\n" + " .section .fixup,\"ax\"\n" + "3: xor %0,%0\n" + " jmp 2b\n" + " .previous\n" + _ASM_EXTABLE(1b,3b) + : "+a" (has_nopl)); + + if (has_nopl == nopl_signature) + set_cpu_cap(c, X86_FEATURE_NOPL); + } +} + static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c); void __init early_cpu_init(void) @@ -313,6 +347,8 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c) c->x86_phys_bits = eax & 0xff; } + detect_nopl(c); + if (c->x86_vendor != X86_VENDOR_UNKNOWN && cpu_devs[c->x86_vendor]->c_early_init) cpu_devs[c->x86_vendor]->c_early_init(c); diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c index e43ad4ad4cba..c9017799497c 100644 --- a/arch/x86/kernel/cpu/feature_names.c +++ b/arch/x86/kernel/cpu/feature_names.c @@ -39,7 +39,8 @@ const char * const x86_cap_flags[NCAPINTS*32] = { NULL, NULL, NULL, NULL, "constant_tsc", "up", NULL, "arch_perfmon", "pebs", "bts", NULL, NULL, - "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "rep_good", NULL, NULL, NULL, + "nopl", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* Intel-defined (#2) */ diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 2f5a792b0acc..be8b2ad5d411 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -72,14 +72,15 @@ #define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */ #define X86_FEATURE_FXSAVE_LEAK (3*32+10) /* FXSAVE leaks FOP/FIP/FOP */ #define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */ -#define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */ -#define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */ -#define X86_FEATURE_SYSCALL32 (3*32+14) /* syscall in ia32 userspace */ -#define X86_FEATURE_SYSENTER32 (3*32+15) /* sysenter in ia32 userspace */ +#define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */ +#define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */ +#define X86_FEATURE_SYSCALL32 (3*32+14) /* syscall in ia32 userspace */ +#define X86_FEATURE_SYSENTER32 (3*32+15) /* sysenter in ia32 userspace */ #define X86_FEATURE_REP_GOOD (3*32+16) /* rep microcode works well on this CPU */ #define X86_FEATURE_MFENCE_RDTSC (3*32+17) /* Mfence synchronizes RDTSC */ #define X86_FEATURE_LFENCE_RDTSC (3*32+18) /* Lfence synchronizes RDTSC */ -#define X86_FEATURE_11AP (3*32+19) /* Bad local APIC aka 11AP */ +#define X86_FEATURE_11AP (3*32+19) /* Bad local APIC aka 11AP */ +#define X86_FEATURE_NOPL (3*32+20) /* The NOPL (0F 1F) instructions */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h index adec887dd7cd..5c2ff4bc2980 100644 --- a/include/asm-x86/required-features.h +++ b/include/asm-x86/required-features.h @@ -41,6 +41,12 @@ # define NEED_3DNOW 0 #endif +#if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) +# define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) +#else +# define NEED_NOPL 0 +#endif + #ifdef CONFIG_X86_64 #define NEED_PSE 0 #define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) @@ -67,7 +73,7 @@ #define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) #define REQUIRED_MASK2 0 -#define REQUIRED_MASK3 0 +#define REQUIRED_MASK3 (NEED_NOPL) #define REQUIRED_MASK4 0 #define REQUIRED_MASK5 0 #define REQUIRED_MASK6 0 -- GitLab From f1c5d30e1d79bbfb60eaf189db862d3cb2bcac92 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 18 Aug 2008 17:50:33 -0700 Subject: [PATCH 0430/6244] x86: use X86_FEATURE_NOPL in alternatives Use X86_FEATURE_NOPL to determine if it is safe to use P6 NOPs in alternatives. Also, replace table and loop with simple if statement. Signed-off-by: H. Peter Anvin --- arch/x86/kernel/alternative.c | 36 +++++++++++++---------------------- 1 file changed, 13 insertions(+), 23 deletions(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 2763cb37b553..65a0c1b48696 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -145,35 +145,25 @@ static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = { extern char __vsyscall_0; const unsigned char *const *find_nop_table(void) { - return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL || - boot_cpu_data.x86 < 6 ? k8_nops : p6_nops; + if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && + boot_cpu_has(X86_FEATURE_NOPL)) + return p6_nops; + else + return k8_nops; } #else /* CONFIG_X86_64 */ -static const struct nop { - int cpuid; - const unsigned char *const *noptable; -} noptypes[] = { - { X86_FEATURE_K8, k8_nops }, - { X86_FEATURE_K7, k7_nops }, - { X86_FEATURE_P4, p6_nops }, - { X86_FEATURE_P3, p6_nops }, - { -1, NULL } -}; - const unsigned char *const *find_nop_table(void) { - const unsigned char *const *noptable = intel_nops; - int i; - - for (i = 0; noptypes[i].cpuid >= 0; i++) { - if (boot_cpu_has(noptypes[i].cpuid)) { - noptable = noptypes[i].noptable; - break; - } - } - return noptable; + if (boot_cpu_has(X86_FEATURE_K8)) + return k8_nops; + else if (boot_cpu_has(X86_FEATURE_K7)) + return k7_nops; + else if (boot_cpu_has(X86_FEATURE_NOPL)) + return p6_nops; + else + return intel_nops; } #endif /* CONFIG_X86_64 */ -- GitLab From 8df9676d6402563da91427e8d9f2da8a4598aede Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 18 Aug 2008 18:13:33 -0700 Subject: [PATCH 0431/6244] x86: consistency cleanups Rename _ASM_MOV_UL to _ASM_MOV for consistency with other _ASM_ instructions (_ASM_ADD, _ASM_SUB and so on.) Add ASM_SP, _ASM_BP, _ASM_SI, and _ASM_DI for consistency with _ASM_[ABCD]X. Signed-off-by: H. Peter Anvin --- include/asm-x86/asm.h | 7 ++++++- include/asm-x86/resume-trace.h | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h index 97220321f39d..56be78f582f0 100644 --- a/include/asm-x86/asm.h +++ b/include/asm-x86/asm.h @@ -20,17 +20,22 @@ #define _ASM_PTR __ASM_SEL(.long, .quad) #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) -#define _ASM_MOV_UL __ASM_SIZE(mov) +#define _ASM_MOV __ASM_SIZE(mov) #define _ASM_INC __ASM_SIZE(inc) #define _ASM_DEC __ASM_SIZE(dec) #define _ASM_ADD __ASM_SIZE(add) #define _ASM_SUB __ASM_SIZE(sub) #define _ASM_XADD __ASM_SIZE(xadd) + #define _ASM_AX __ASM_REG(ax) #define _ASM_BX __ASM_REG(bx) #define _ASM_CX __ASM_REG(cx) #define _ASM_DX __ASM_REG(dx) +#define _ASM_SP __ASM_REG(sp) +#define _ASM_BP __ASM_REG(bp) +#define _ASM_SI __ASM_REG(si) +#define _ASM_DI __ASM_REG(di) /* Exception table entry */ # define _ASM_EXTABLE(from,to) \ diff --git a/include/asm-x86/resume-trace.h b/include/asm-x86/resume-trace.h index 8d9f0b41ee86..e219b4c91193 100644 --- a/include/asm-x86/resume-trace.h +++ b/include/asm-x86/resume-trace.h @@ -7,7 +7,7 @@ do { \ if (pm_trace_enabled) { \ const void *tracedata; \ - asm volatile(_ASM_MOV_UL " $1f,%0\n" \ + asm volatile(_ASM_MOV " $1f,%0\n" \ ".section .tracedata,\"a\"\n" \ "1:\t.word %c1\n\t" \ _ASM_PTR " %c2\n" \ -- GitLab From 20211e4d344729f4d4c93da37a590fc1c3a1fd9b Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Mon, 18 Aug 2008 21:25:38 +0200 Subject: [PATCH 0432/6244] x86: Coding style fixes to arch/x86/oprofile/op_model_p4.c A coding style patch to arch/x86/oprofile/op_model_p4.c that removes 87 errors and 4 warnings. Before: total: 89 errors, 13 warnings, 722 lines checked After: total: 2 errors, 9 warnings, 721 lines checked Compile tested, binary verified as follow: paolo@paolo-desktop:~/linux.trees.git$ size /tmp/op_model_p4.o.* text data bss dec hex filename 2691 968 32 3691 e6b /tmp/op_model_p4.o.after 2691 968 32 3691 e6b /tmp/op_model_p4.o.before paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/op_model_p4.o.* 8c1c9823bab33333e1f7f76574e62561 /tmp/op_model_p4.o.after 8c1c9823bab33333e1f7f76574e62561 /tmp/op_model_p4.o.before Signed-off-by: Paolo Ciarrocchi Cc: robert.richter@amd.com Signed-off-by: Ingo Molnar --- arch/x86/oprofile/op_model_p4.c | 175 ++++++++++++++++---------------- 1 file changed, 87 insertions(+), 88 deletions(-) diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c index 56b4757a1f47..43ac5af338d8 100644 --- a/arch/x86/oprofile/op_model_p4.c +++ b/arch/x86/oprofile/op_model_p4.c @@ -10,11 +10,12 @@ #include #include +#include +#include #include -#include #include #include -#include + #include "op_x86_model.h" #include "op_counter.h" @@ -40,7 +41,7 @@ static unsigned int num_controls = NUM_CONTROLS_NON_HT; static inline void setup_num_counters(void) { #ifdef CONFIG_SMP - if (smp_num_siblings == 2){ + if (smp_num_siblings == 2) { num_counters = NUM_COUNTERS_HT2; num_controls = NUM_CONTROLS_HT2; } @@ -86,7 +87,7 @@ struct p4_event_binding { #define CTR_FLAME_2 (1 << 6) #define CTR_IQ_5 (1 << 7) -static struct p4_counter_binding p4_counters [NUM_COUNTERS_NON_HT] = { +static struct p4_counter_binding p4_counters[NUM_COUNTERS_NON_HT] = { { CTR_BPU_0, MSR_P4_BPU_PERFCTR0, MSR_P4_BPU_CCCR0 }, { CTR_MS_0, MSR_P4_MS_PERFCTR0, MSR_P4_MS_CCCR0 }, { CTR_FLAME_0, MSR_P4_FLAME_PERFCTR0, MSR_P4_FLAME_CCCR0 }, @@ -97,32 +98,32 @@ static struct p4_counter_binding p4_counters [NUM_COUNTERS_NON_HT] = { { CTR_IQ_5, MSR_P4_IQ_PERFCTR5, MSR_P4_IQ_CCCR5 } }; -#define NUM_UNUSED_CCCRS NUM_CCCRS_NON_HT - NUM_COUNTERS_NON_HT +#define NUM_UNUSED_CCCRS (NUM_CCCRS_NON_HT - NUM_COUNTERS_NON_HT) /* p4 event codes in libop/op_event.h are indices into this table. */ static struct p4_event_binding p4_events[NUM_EVENTS] = { - + { /* BRANCH_RETIRED */ - 0x05, 0x06, + 0x05, 0x06, { {CTR_IQ_4, MSR_P4_CRU_ESCR2}, {CTR_IQ_5, MSR_P4_CRU_ESCR3} } }, - + { /* MISPRED_BRANCH_RETIRED */ - 0x04, 0x03, + 0x04, 0x03, { { CTR_IQ_4, MSR_P4_CRU_ESCR0}, { CTR_IQ_5, MSR_P4_CRU_ESCR1} } }, - + { /* TC_DELIVER_MODE */ 0x01, 0x01, - { { CTR_MS_0, MSR_P4_TC_ESCR0}, + { { CTR_MS_0, MSR_P4_TC_ESCR0}, { CTR_MS_2, MSR_P4_TC_ESCR1} } }, - + { /* BPU_FETCH_REQUEST */ - 0x00, 0x03, + 0x00, 0x03, { { CTR_BPU_0, MSR_P4_BPU_ESCR0}, { CTR_BPU_2, MSR_P4_BPU_ESCR1} } }, @@ -146,7 +147,7 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { }, { /* LOAD_PORT_REPLAY */ - 0x02, 0x04, + 0x02, 0x04, { { CTR_FLAME_0, MSR_P4_SAAT_ESCR0}, { CTR_FLAME_2, MSR_P4_SAAT_ESCR1} } }, @@ -170,43 +171,43 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { }, { /* BSQ_CACHE_REFERENCE */ - 0x07, 0x0c, + 0x07, 0x0c, { { CTR_BPU_0, MSR_P4_BSU_ESCR0}, { CTR_BPU_2, MSR_P4_BSU_ESCR1} } }, { /* IOQ_ALLOCATION */ - 0x06, 0x03, + 0x06, 0x03, { { CTR_BPU_0, MSR_P4_FSB_ESCR0}, { 0, 0 } } }, { /* IOQ_ACTIVE_ENTRIES */ - 0x06, 0x1a, + 0x06, 0x1a, { { CTR_BPU_2, MSR_P4_FSB_ESCR1}, { 0, 0 } } }, { /* FSB_DATA_ACTIVITY */ - 0x06, 0x17, + 0x06, 0x17, { { CTR_BPU_0, MSR_P4_FSB_ESCR0}, { CTR_BPU_2, MSR_P4_FSB_ESCR1} } }, { /* BSQ_ALLOCATION */ - 0x07, 0x05, + 0x07, 0x05, { { CTR_BPU_0, MSR_P4_BSU_ESCR0}, { 0, 0 } } }, { /* BSQ_ACTIVE_ENTRIES */ 0x07, 0x06, - { { CTR_BPU_2, MSR_P4_BSU_ESCR1 /* guess */}, + { { CTR_BPU_2, MSR_P4_BSU_ESCR1 /* guess */}, { 0, 0 } } }, { /* X87_ASSIST */ - 0x05, 0x03, + 0x05, 0x03, { { CTR_IQ_4, MSR_P4_CRU_ESCR2}, { CTR_IQ_5, MSR_P4_CRU_ESCR3} } }, @@ -216,21 +217,21 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, - + { /* PACKED_SP_UOP */ - 0x01, 0x08, + 0x01, 0x08, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, - + { /* PACKED_DP_UOP */ - 0x01, 0x0c, + 0x01, 0x0c, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, { /* SCALAR_SP_UOP */ - 0x01, 0x0a, + 0x01, 0x0a, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, @@ -242,31 +243,31 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { }, { /* 64BIT_MMX_UOP */ - 0x01, 0x02, + 0x01, 0x02, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, - + { /* 128BIT_MMX_UOP */ - 0x01, 0x1a, + 0x01, 0x1a, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, { /* X87_FP_UOP */ - 0x01, 0x04, + 0x01, 0x04, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, - + { /* X87_SIMD_MOVES_UOP */ - 0x01, 0x2e, + 0x01, 0x2e, { { CTR_FLAME_0, MSR_P4_FIRM_ESCR0}, { CTR_FLAME_2, MSR_P4_FIRM_ESCR1} } }, - + { /* MACHINE_CLEAR */ - 0x05, 0x02, + 0x05, 0x02, { { CTR_IQ_4, MSR_P4_CRU_ESCR2}, { CTR_IQ_5, MSR_P4_CRU_ESCR3} } }, @@ -276,9 +277,9 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { { { CTR_BPU_0, MSR_P4_FSB_ESCR0}, { CTR_BPU_2, MSR_P4_FSB_ESCR1} } }, - + { /* TC_MS_XFER */ - 0x00, 0x05, + 0x00, 0x05, { { CTR_MS_0, MSR_P4_MS_ESCR0}, { CTR_MS_2, MSR_P4_MS_ESCR1} } }, @@ -308,7 +309,7 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { }, { /* INSTR_RETIRED */ - 0x04, 0x02, + 0x04, 0x02, { { CTR_IQ_4, MSR_P4_CRU_ESCR0}, { CTR_IQ_5, MSR_P4_CRU_ESCR1} } }, @@ -319,14 +320,14 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { { CTR_IQ_5, MSR_P4_CRU_ESCR1} } }, - { /* UOP_TYPE */ - 0x02, 0x02, + { /* UOP_TYPE */ + 0x02, 0x02, { { CTR_IQ_4, MSR_P4_RAT_ESCR0}, { CTR_IQ_5, MSR_P4_RAT_ESCR1} } }, { /* RETIRED_MISPRED_BRANCH_TYPE */ - 0x02, 0x05, + 0x02, 0x05, { { CTR_MS_0, MSR_P4_TBPU_ESCR0}, { CTR_MS_2, MSR_P4_TBPU_ESCR1} } }, @@ -349,8 +350,8 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { #define ESCR_SET_OS_1(escr, os) ((escr) |= (((os) & 1) << 1)) #define ESCR_SET_EVENT_SELECT(escr, sel) ((escr) |= (((sel) & 0x3f) << 25)) #define ESCR_SET_EVENT_MASK(escr, mask) ((escr) |= (((mask) & 0xffff) << 9)) -#define ESCR_READ(escr,high,ev,i) do {rdmsr(ev->bindings[(i)].escr_address, (escr), (high));} while (0) -#define ESCR_WRITE(escr,high,ev,i) do {wrmsr(ev->bindings[(i)].escr_address, (escr), (high));} while (0) +#define ESCR_READ(escr, high, ev, i) do {rdmsr(ev->bindings[(i)].escr_address, (escr), (high)); } while (0) +#define ESCR_WRITE(escr, high, ev, i) do {wrmsr(ev->bindings[(i)].escr_address, (escr), (high)); } while (0) #define CCCR_RESERVED_BITS 0x38030FFF #define CCCR_CLEAR(cccr) ((cccr) &= CCCR_RESERVED_BITS) @@ -360,15 +361,15 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = { #define CCCR_SET_PMI_OVF_1(cccr) ((cccr) |= (1<<27)) #define CCCR_SET_ENABLE(cccr) ((cccr) |= (1<<12)) #define CCCR_SET_DISABLE(cccr) ((cccr) &= ~(1<<12)) -#define CCCR_READ(low, high, i) do {rdmsr(p4_counters[(i)].cccr_address, (low), (high));} while (0) -#define CCCR_WRITE(low, high, i) do {wrmsr(p4_counters[(i)].cccr_address, (low), (high));} while (0) +#define CCCR_READ(low, high, i) do {rdmsr(p4_counters[(i)].cccr_address, (low), (high)); } while (0) +#define CCCR_WRITE(low, high, i) do {wrmsr(p4_counters[(i)].cccr_address, (low), (high)); } while (0) #define CCCR_OVF_P(cccr) ((cccr) & (1U<<31)) #define CCCR_CLEAR_OVF(cccr) ((cccr) &= (~(1U<<31))) -#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0) -#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0) -#define CTR_READ(l,h,i) do {rdmsr(p4_counters[(i)].counter_address, (l), (h));} while (0) -#define CTR_WRITE(l,i) do {wrmsr(p4_counters[(i)].counter_address, -(u32)(l), -1);} while (0) +#define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0) +#define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0) +#define CTR_READ(l, h, i) do {rdmsr(p4_counters[(i)].counter_address, (l), (h)); } while (0) +#define CTR_WRITE(l, i) do {wrmsr(p4_counters[(i)].counter_address, -(u32)(l), -1); } while (0) #define CTR_OVERFLOW_P(ctr) (!((ctr) & 0x80000000)) @@ -380,7 +381,7 @@ static unsigned int get_stagger(void) #ifdef CONFIG_SMP int cpu = smp_processor_id(); return (cpu != first_cpu(per_cpu(cpu_sibling_map, cpu))); -#endif +#endif return 0; } @@ -395,25 +396,23 @@ static unsigned long reset_value[NUM_COUNTERS_NON_HT]; static void p4_fill_in_addresses(struct op_msrs * const msrs) { - unsigned int i; + unsigned int i; unsigned int addr, cccraddr, stag; setup_num_counters(); stag = get_stagger(); /* initialize some registers */ - for (i = 0; i < num_counters; ++i) { + for (i = 0; i < num_counters; ++i) msrs->counters[i].addr = 0; - } - for (i = 0; i < num_controls; ++i) { + for (i = 0; i < num_controls; ++i) msrs->controls[i].addr = 0; - } - + /* the counter & cccr registers we pay attention to */ for (i = 0; i < num_counters; ++i) { addr = p4_counters[VIRT_CTR(stag, i)].counter_address; cccraddr = p4_counters[VIRT_CTR(stag, i)].cccr_address; - if (reserve_perfctr_nmi(addr)){ + if (reserve_perfctr_nmi(addr)) { msrs->counters[i].addr = addr; msrs->controls[i].addr = cccraddr; } @@ -447,22 +446,22 @@ static void p4_fill_in_addresses(struct op_msrs * const msrs) if (reserve_evntsel_nmi(addr)) msrs->controls[i].addr = addr; } - + for (addr = MSR_P4_MS_ESCR0 + stag; - addr <= MSR_P4_TC_ESCR1; ++i, addr += addr_increment()) { + addr <= MSR_P4_TC_ESCR1; ++i, addr += addr_increment()) { if (reserve_evntsel_nmi(addr)) msrs->controls[i].addr = addr; } - + for (addr = MSR_P4_IX_ESCR0 + stag; - addr <= MSR_P4_CRU_ESCR3; ++i, addr += addr_increment()) { + addr <= MSR_P4_CRU_ESCR3; ++i, addr += addr_increment()) { if (reserve_evntsel_nmi(addr)) msrs->controls[i].addr = addr; } /* there are 2 remaining non-contiguously located ESCRs */ - if (num_counters == NUM_COUNTERS_NON_HT) { + if (num_counters == NUM_COUNTERS_NON_HT) { /* standard non-HT CPUs handle both remaining ESCRs*/ if (reserve_evntsel_nmi(MSR_P4_CRU_ESCR5)) msrs->controls[i++].addr = MSR_P4_CRU_ESCR5; @@ -498,20 +497,20 @@ static void pmc_setup_one_p4_counter(unsigned int ctr) unsigned int stag; stag = get_stagger(); - + /* convert from counter *number* to counter *bit* */ counter_bit = 1 << VIRT_CTR(stag, ctr); - + /* find our event binding structure. */ if (counter_config[ctr].event <= 0 || counter_config[ctr].event > NUM_EVENTS) { - printk(KERN_ERR - "oprofile: P4 event code 0x%lx out of range\n", + printk(KERN_ERR + "oprofile: P4 event code 0x%lx out of range\n", counter_config[ctr].event); return; } - + ev = &(p4_events[counter_config[ctr].event - 1]); - + for (i = 0; i < maxbind; i++) { if (ev->bindings[i].virt_counter & counter_bit) { @@ -526,25 +525,24 @@ static void pmc_setup_one_p4_counter(unsigned int ctr) ESCR_SET_OS_1(escr, counter_config[ctr].kernel); } ESCR_SET_EVENT_SELECT(escr, ev->event_select); - ESCR_SET_EVENT_MASK(escr, counter_config[ctr].unit_mask); + ESCR_SET_EVENT_MASK(escr, counter_config[ctr].unit_mask); ESCR_WRITE(escr, high, ev, i); - + /* modify CCCR */ CCCR_READ(cccr, high, VIRT_CTR(stag, ctr)); CCCR_CLEAR(cccr); CCCR_SET_REQUIRED_BITS(cccr); CCCR_SET_ESCR_SELECT(cccr, ev->escr_select); - if (stag == 0) { + if (stag == 0) CCCR_SET_PMI_OVF_0(cccr); - } else { + else CCCR_SET_PMI_OVF_1(cccr); - } CCCR_WRITE(cccr, high, VIRT_CTR(stag, ctr)); return; } } - printk(KERN_ERR + printk(KERN_ERR "oprofile: P4 event code 0x%lx no binding, stag %d ctr %d\n", counter_config[ctr].event, stag, ctr); } @@ -559,14 +557,14 @@ static void p4_setup_ctrs(struct op_msrs const * const msrs) stag = get_stagger(); rdmsr(MSR_IA32_MISC_ENABLE, low, high); - if (! MISC_PMC_ENABLED_P(low)) { + if (!MISC_PMC_ENABLED_P(low)) { printk(KERN_ERR "oprofile: P4 PMC not available\n"); return; } /* clear the cccrs we will use */ for (i = 0 ; i < num_counters ; i++) { - if (unlikely(!CTRL_IS_RESERVED(msrs,i))) + if (unlikely(!CTRL_IS_RESERVED(msrs, i))) continue; rdmsr(p4_counters[VIRT_CTR(stag, i)].cccr_address, low, high); CCCR_CLEAR(low); @@ -576,14 +574,14 @@ static void p4_setup_ctrs(struct op_msrs const * const msrs) /* clear all escrs (including those outside our concern) */ for (i = num_counters; i < num_controls; i++) { - if (unlikely(!CTRL_IS_RESERVED(msrs,i))) + if (unlikely(!CTRL_IS_RESERVED(msrs, i))) continue; wrmsr(msrs->controls[i].addr, 0, 0); } /* setup all counters */ for (i = 0 ; i < num_counters ; ++i) { - if ((counter_config[i].enabled) && (CTRL_IS_RESERVED(msrs,i))) { + if ((counter_config[i].enabled) && (CTRL_IS_RESERVED(msrs, i))) { reset_value[i] = counter_config[i].count; pmc_setup_one_p4_counter(i); CTR_WRITE(counter_config[i].count, VIRT_CTR(stag, i)); @@ -603,11 +601,11 @@ static int p4_check_ctrs(struct pt_regs * const regs, stag = get_stagger(); for (i = 0; i < num_counters; ++i) { - - if (!reset_value[i]) + + if (!reset_value[i]) continue; - /* + /* * there is some eccentricity in the hardware which * requires that we perform 2 extra corrections: * @@ -616,24 +614,24 @@ static int p4_check_ctrs(struct pt_regs * const regs, * * - write the counter back twice to ensure it gets * updated properly. - * + * * the former seems to be related to extra NMIs happening * during the current NMI; the latter is reported as errata * N15 in intel doc 249199-029, pentium 4 specification * update, though their suggested work-around does not * appear to solve the problem. */ - + real = VIRT_CTR(stag, i); CCCR_READ(low, high, real); - CTR_READ(ctr, high, real); + CTR_READ(ctr, high, real); if (CCCR_OVF_P(low) || CTR_OVERFLOW_P(ctr)) { oprofile_add_sample(regs, i); - CTR_WRITE(reset_value[i], real); + CTR_WRITE(reset_value[i], real); CCCR_CLEAR_OVF(low); CCCR_WRITE(low, high, real); - CTR_WRITE(reset_value[i], real); + CTR_WRITE(reset_value[i], real); } } @@ -683,15 +681,16 @@ static void p4_shutdown(struct op_msrs const * const msrs) int i; for (i = 0 ; i < num_counters ; ++i) { - if (CTR_IS_RESERVED(msrs,i)) + if (CTR_IS_RESERVED(msrs, i)) release_perfctr_nmi(msrs->counters[i].addr); } - /* some of the control registers are specially reserved in + /* + * some of the control registers are specially reserved in * conjunction with the counter registers (hence the starting offset). * This saves a few bits. */ for (i = num_counters ; i < num_controls ; ++i) { - if (CTRL_IS_RESERVED(msrs,i)) + if (CTRL_IS_RESERVED(msrs, i)) release_evntsel_nmi(msrs->controls[i].addr); } } -- GitLab From eff9b713ee3540ddab862095aaf4b1511a6758bc Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Mon, 18 Aug 2008 17:51:08 -0700 Subject: [PATCH 0433/6244] rcu: fix locking cleanup fallout Given that the rcp->lock is now acquired from call_rcu(), which can be invoked from irq-disable regions, all acquisitions need to disable irqs. The following patch fixes this. Although I don't have any reason to believe that this is the cause of Yinghai's oops, it does need to be fixed. Signed-off-by: Paul E. McKenney Cc: Yinghai Lu Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 36 ++++++++++++++++++++++-------------- 1 file changed, 22 insertions(+), 14 deletions(-) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index fb1f1cc45142..c6b6cf55f3e2 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -86,8 +86,10 @@ static void force_quiescent_state(struct rcu_data *rdp, { int cpu; cpumask_t cpumask; + unsigned long flags; + set_need_resched(); - spin_lock(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); if (unlikely(!rcp->signaled)) { rcp->signaled = 1; /* @@ -113,7 +115,7 @@ static void force_quiescent_state(struct rcu_data *rdp, for_each_cpu_mask_nr(cpu, cpumask) smp_send_reschedule(cpu); } - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); } #else static inline void force_quiescent_state(struct rcu_data *rdp, @@ -301,17 +303,18 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) { int cpu; long delta; + unsigned long flags; /* Only let one CPU complain about others per time interval. */ - spin_lock(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); delta = get_seconds() - rcp->gp_check; if (delta < 2L || cpus_empty(rcp->cpumask)) { spin_unlock(&rcp->lock); return; } rcp->gp_check = get_seconds() + 30; - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); /* OK, time to rat on our buddy... */ @@ -324,13 +327,15 @@ static void print_other_cpu_stall(struct rcu_ctrlblk *rcp) static void print_cpu_stall(struct rcu_ctrlblk *rcp) { + unsigned long flags; + printk(KERN_ERR "RCU detected CPU %d stall (t=%lu/%lu)\n", smp_processor_id(), get_seconds(), rcp->gp_check); dump_stack(); - spin_lock(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); if ((long)(get_seconds() - rcp->gp_check) >= 0L) rcp->gp_check = get_seconds() + 30; - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); } static void check_cpu_stall(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) @@ -413,6 +418,8 @@ static void cpu_quiet(int cpu, struct rcu_ctrlblk *rcp) static void rcu_check_quiescent_state(struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { + unsigned long flags; + if (rdp->quiescbatch != rcp->cur) { /* start new grace period: */ rdp->qs_pending = 1; @@ -436,7 +443,7 @@ static void rcu_check_quiescent_state(struct rcu_ctrlblk *rcp, return; rdp->qs_pending = 0; - spin_lock(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); /* * rdp->quiescbatch/rcp->cur and the cpu bitmap can come out of sync * during cpu startup. Ignore the quiescent state. @@ -444,7 +451,7 @@ static void rcu_check_quiescent_state(struct rcu_ctrlblk *rcp, if (likely(rdp->quiescbatch == rcp->cur)) cpu_quiet(rdp->cpu, rcp); - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); } @@ -469,21 +476,22 @@ static void rcu_move_batch(struct rcu_data *this_rdp, struct rcu_head *list, static void __rcu_offline_cpu(struct rcu_data *this_rdp, struct rcu_ctrlblk *rcp, struct rcu_data *rdp) { + unsigned long flags; + /* * if the cpu going offline owns the grace period * we can block indefinitely waiting for it, so flush * it here */ - spin_lock_bh(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); if (rcp->cur != rcp->completed) cpu_quiet(rdp->cpu, rcp); rcu_move_batch(this_rdp, rdp->donelist, rdp->donetail, rcp->cur + 1); rcu_move_batch(this_rdp, rdp->nxtlist, rdp->nxttail[2], rcp->cur + 1); - spin_unlock_bh(&rcp->lock); + spin_unlock(&rcp->lock); - local_irq_disable(); this_rdp->qlen += rdp->qlen; - local_irq_enable(); + local_irq_restore(flags); } static void rcu_offline_cpu(int cpu) @@ -550,12 +558,12 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, if (rcu_batch_after(rdp->batch, rcp->pending)) { /* and start it/schedule start if it's a new batch */ - spin_lock(&rcp->lock); + spin_lock_irqsave(&rcp->lock, flags); if (rcu_batch_after(rdp->batch, rcp->pending)) { rcp->pending = rdp->batch; rcu_start_batch(rcp); } - spin_unlock(&rcp->lock); + spin_unlock_irqrestore(&rcp->lock, flags); } } -- GitLab From 39ac50d0c79747b186c1268d9a488f8c1d256be7 Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Mon, 18 Aug 2008 00:52:08 +0200 Subject: [PATCH 0434/6244] ipvs: Fix race conditions in lblc scheduler We can't access the cache entry outside of our critical read-locked region, because someone may free that entry. And we also need to check in the critical region wether the destination is still available, i.e. it's not in the trash. If we drop our reference counter, the destination can be purged from the trash at any time. Our caller only guarantees that no destination is moved to the trash, while we are scheduling. Also there is no need for our own rwlock, there is already one in the service structure for use in the schedulers. Signed-off-by: Sven Wegener Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_lblc.c | 204 +++++++++++++++++-------------------- 1 file changed, 96 insertions(+), 108 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c index b9b334cccf37..d2a43aa3fe4c 100644 --- a/net/ipv4/ipvs/ip_vs_lblc.c +++ b/net/ipv4/ipvs/ip_vs_lblc.c @@ -96,7 +96,6 @@ struct ip_vs_lblc_entry { * IPVS lblc hash table */ struct ip_vs_lblc_table { - rwlock_t lock; /* lock for this table */ struct list_head bucket[IP_VS_LBLC_TAB_SIZE]; /* hash bucket */ atomic_t entries; /* number of entries */ int max_size; /* maximum size of entries */ @@ -123,31 +122,6 @@ static ctl_table vs_vars_table[] = { static struct ctl_table_header * sysctl_header; -/* - * new/free a ip_vs_lblc_entry, which is a mapping of a destionation - * IP address to a server. - */ -static inline struct ip_vs_lblc_entry * -ip_vs_lblc_new(__be32 daddr, struct ip_vs_dest *dest) -{ - struct ip_vs_lblc_entry *en; - - en = kmalloc(sizeof(struct ip_vs_lblc_entry), GFP_ATOMIC); - if (en == NULL) { - IP_VS_ERR("ip_vs_lblc_new(): no memory\n"); - return NULL; - } - - INIT_LIST_HEAD(&en->list); - en->addr = daddr; - - atomic_inc(&dest->refcnt); - en->dest = dest; - - return en; -} - - static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en) { list_del(&en->list); @@ -173,55 +147,66 @@ static inline unsigned ip_vs_lblc_hashkey(__be32 addr) * Hash an entry in the ip_vs_lblc_table. * returns bool success. */ -static int +static void ip_vs_lblc_hash(struct ip_vs_lblc_table *tbl, struct ip_vs_lblc_entry *en) { - unsigned hash; - - if (!list_empty(&en->list)) { - IP_VS_ERR("ip_vs_lblc_hash(): request for already hashed, " - "called from %p\n", __builtin_return_address(0)); - return 0; - } + unsigned hash = ip_vs_lblc_hashkey(en->addr); - /* - * Hash by destination IP address - */ - hash = ip_vs_lblc_hashkey(en->addr); - - write_lock(&tbl->lock); list_add(&en->list, &tbl->bucket[hash]); atomic_inc(&tbl->entries); - write_unlock(&tbl->lock); - - return 1; } /* - * Get ip_vs_lblc_entry associated with supplied parameters. + * Get ip_vs_lblc_entry associated with supplied parameters. Called under read + * lock */ static inline struct ip_vs_lblc_entry * ip_vs_lblc_get(struct ip_vs_lblc_table *tbl, __be32 addr) { - unsigned hash; + unsigned hash = ip_vs_lblc_hashkey(addr); struct ip_vs_lblc_entry *en; - hash = ip_vs_lblc_hashkey(addr); + list_for_each_entry(en, &tbl->bucket[hash], list) + if (en->addr == addr) + return en; - read_lock(&tbl->lock); + return NULL; +} - list_for_each_entry(en, &tbl->bucket[hash], list) { - if (en->addr == addr) { - /* HIT */ - read_unlock(&tbl->lock); - return en; + +/* + * Create or update an ip_vs_lblc_entry, which is a mapping of a destination IP + * address to a server. Called under write lock. + */ +static inline struct ip_vs_lblc_entry * +ip_vs_lblc_new(struct ip_vs_lblc_table *tbl, __be32 daddr, + struct ip_vs_dest *dest) +{ + struct ip_vs_lblc_entry *en; + + en = ip_vs_lblc_get(tbl, daddr); + if (!en) { + en = kmalloc(sizeof(*en), GFP_ATOMIC); + if (!en) { + IP_VS_ERR("ip_vs_lblc_new(): no memory\n"); + return NULL; } - } - read_unlock(&tbl->lock); + en->addr = daddr; + en->lastuse = jiffies; - return NULL; + atomic_inc(&dest->refcnt); + en->dest = dest; + + ip_vs_lblc_hash(tbl, en); + } else if (en->dest != dest) { + atomic_dec(&en->dest->refcnt); + atomic_inc(&dest->refcnt); + en->dest = dest; + } + + return en; } @@ -230,30 +215,29 @@ ip_vs_lblc_get(struct ip_vs_lblc_table *tbl, __be32 addr) */ static void ip_vs_lblc_flush(struct ip_vs_lblc_table *tbl) { - int i; struct ip_vs_lblc_entry *en, *nxt; + int i; for (i=0; ilock); list_for_each_entry_safe(en, nxt, &tbl->bucket[i], list) { ip_vs_lblc_free(en); atomic_dec(&tbl->entries); } - write_unlock(&tbl->lock); } } -static inline void ip_vs_lblc_full_check(struct ip_vs_lblc_table *tbl) +static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc) { + struct ip_vs_lblc_table *tbl = svc->sched_data; + struct ip_vs_lblc_entry *en, *nxt; unsigned long now = jiffies; int i, j; - struct ip_vs_lblc_entry *en, *nxt; for (i=0, j=tbl->rover; ilock); + write_lock(&svc->sched_lock); list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) { if (time_before(now, en->lastuse + sysctl_ip_vs_lblc_expiration)) @@ -262,7 +246,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_lblc_table *tbl) ip_vs_lblc_free(en); atomic_dec(&tbl->entries); } - write_unlock(&tbl->lock); + write_unlock(&svc->sched_lock); } tbl->rover = j; } @@ -281,17 +265,16 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_lblc_table *tbl) */ static void ip_vs_lblc_check_expire(unsigned long data) { - struct ip_vs_lblc_table *tbl; + struct ip_vs_service *svc = (struct ip_vs_service *) data; + struct ip_vs_lblc_table *tbl = svc->sched_data; unsigned long now = jiffies; int goal; int i, j; struct ip_vs_lblc_entry *en, *nxt; - tbl = (struct ip_vs_lblc_table *)data; - if ((tbl->counter % COUNT_FOR_FULL_EXPIRATION) == 0) { /* do full expiration check */ - ip_vs_lblc_full_check(tbl); + ip_vs_lblc_full_check(svc); tbl->counter = 1; goto out; } @@ -308,7 +291,7 @@ static void ip_vs_lblc_check_expire(unsigned long data) for (i=0, j=tbl->rover; ilock); + write_lock(&svc->sched_lock); list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) { if (time_before(now, en->lastuse + ENTRY_TIMEOUT)) continue; @@ -317,7 +300,7 @@ static void ip_vs_lblc_check_expire(unsigned long data) atomic_dec(&tbl->entries); goal--; } - write_unlock(&tbl->lock); + write_unlock(&svc->sched_lock); if (goal <= 0) break; } @@ -336,15 +319,14 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc) /* * Allocate the ip_vs_lblc_table for this service */ - tbl = kmalloc(sizeof(struct ip_vs_lblc_table), GFP_ATOMIC); + tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC); if (tbl == NULL) { IP_VS_ERR("ip_vs_lblc_init_svc(): no memory\n"); return -ENOMEM; } svc->sched_data = tbl; IP_VS_DBG(6, "LBLC hash table (memory=%Zdbytes) allocated for " - "current service\n", - sizeof(struct ip_vs_lblc_table)); + "current service\n", sizeof(*tbl)); /* * Initialize the hash buckets @@ -352,7 +334,6 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc) for (i=0; ibucket[i]); } - rwlock_init(&tbl->lock); tbl->max_size = IP_VS_LBLC_TAB_SIZE*16; tbl->rover = 0; tbl->counter = 1; @@ -361,9 +342,8 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc) * Hook periodic timer for garbage collection */ setup_timer(&tbl->periodic_timer, ip_vs_lblc_check_expire, - (unsigned long)tbl); - tbl->periodic_timer.expires = jiffies+CHECK_EXPIRE_INTERVAL; - add_timer(&tbl->periodic_timer); + (unsigned long)svc); + mod_timer(&tbl->periodic_timer, jiffies + CHECK_EXPIRE_INTERVAL); return 0; } @@ -380,9 +360,9 @@ static int ip_vs_lblc_done_svc(struct ip_vs_service *svc) ip_vs_lblc_flush(tbl); /* release the table itself */ - kfree(svc->sched_data); + kfree(tbl); IP_VS_DBG(6, "LBLC hash table (memory=%Zdbytes) released\n", - sizeof(struct ip_vs_lblc_table)); + sizeof(*tbl)); return 0; } @@ -478,46 +458,54 @@ is_overloaded(struct ip_vs_dest *dest, struct ip_vs_service *svc) static struct ip_vs_dest * ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) { - struct ip_vs_dest *dest; - struct ip_vs_lblc_table *tbl; - struct ip_vs_lblc_entry *en; + struct ip_vs_lblc_table *tbl = svc->sched_data; struct iphdr *iph = ip_hdr(skb); + struct ip_vs_dest *dest = NULL; + struct ip_vs_lblc_entry *en; IP_VS_DBG(6, "ip_vs_lblc_schedule(): Scheduling...\n"); - tbl = (struct ip_vs_lblc_table *)svc->sched_data; + /* First look in our cache */ + read_lock(&svc->sched_lock); en = ip_vs_lblc_get(tbl, iph->daddr); - if (en == NULL) { - dest = __ip_vs_lblc_schedule(svc, iph); - if (dest == NULL) { - IP_VS_DBG(1, "no destination available\n"); - return NULL; - } - en = ip_vs_lblc_new(iph->daddr, dest); - if (en == NULL) { - return NULL; - } - ip_vs_lblc_hash(tbl, en); - } else { - dest = en->dest; - if (!(dest->flags & IP_VS_DEST_F_AVAILABLE) - || atomic_read(&dest->weight) <= 0 - || is_overloaded(dest, svc)) { - dest = __ip_vs_lblc_schedule(svc, iph); - if (dest == NULL) { - IP_VS_DBG(1, "no destination available\n"); - return NULL; - } - atomic_dec(&en->dest->refcnt); - atomic_inc(&dest->refcnt); - en->dest = dest; - } + if (en) { + /* We only hold a read lock, but this is atomic */ + en->lastuse = jiffies; + + /* + * If the destination is not available, i.e. it's in the trash, + * we must ignore it, as it may be removed from under our feet, + * if someone drops our reference count. Our caller only makes + * sure that destinations, that are not in the trash, are not + * moved to the trash, while we are scheduling. But anyone can + * free up entries from the trash at any time. + */ + + if (en->dest->flags & IP_VS_DEST_F_AVAILABLE) + dest = en->dest; + } + read_unlock(&svc->sched_lock); + + /* If the destination has a weight and is not overloaded, use it */ + if (dest && atomic_read(&dest->weight) > 0 && !is_overloaded(dest, svc)) + goto out; + + /* No cache entry or it is invalid, time to schedule */ + dest = __ip_vs_lblc_schedule(svc, iph); + if (!dest) { + IP_VS_DBG(1, "no destination available\n"); + return NULL; } - en->lastuse = jiffies; + /* If we fail to create a cache entry, we'll just use the valid dest */ + write_lock(&svc->sched_lock); + ip_vs_lblc_new(tbl, iph->daddr, dest); + write_unlock(&svc->sched_lock); + +out: IP_VS_DBG(6, "LBLC: destination IP address %u.%u.%u.%u " "--> server %u.%u.%u.%u:%d\n", - NIPQUAD(en->addr), + NIPQUAD(iph->daddr), NIPQUAD(dest->addr), ntohs(dest->port)); -- GitLab From f728bafb5698076dd35bca35ee6cfe52ea1b8ab2 Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Tue, 19 Aug 2008 08:16:19 +0200 Subject: [PATCH 0435/6244] ipvs: Fix race conditions in lblcr scheduler We can't access the cache entry outside of our critical read-locked region, because someone may free that entry. Also getting an entry under read lock, then locking for write and trying to delete that entry looks fishy, but should be no problem here, because we're only comparing a pointer. Also there is no need for our own rwlock, there is already one in the service structure for use in the schedulers. Signed-off-by: Sven Wegener Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_lblcr.c | 229 ++++++++++++++++++------------------ 1 file changed, 114 insertions(+), 115 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c index f1c845036898..375a1ffb6b65 100644 --- a/net/ipv4/ipvs/ip_vs_lblcr.c +++ b/net/ipv4/ipvs/ip_vs_lblcr.c @@ -106,7 +106,7 @@ ip_vs_dest_set_insert(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) return NULL; } - e = kmalloc(sizeof(struct ip_vs_dest_list), GFP_ATOMIC); + e = kmalloc(sizeof(*e), GFP_ATOMIC); if (e == NULL) { IP_VS_ERR("ip_vs_dest_set_insert(): no memory\n"); return NULL; @@ -116,11 +116,9 @@ ip_vs_dest_set_insert(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) e->dest = dest; /* link it to the list */ - write_lock(&set->lock); e->next = set->list; set->list = e; atomic_inc(&set->size); - write_unlock(&set->lock); set->lastmod = jiffies; return e; @@ -131,7 +129,6 @@ ip_vs_dest_set_erase(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) { struct ip_vs_dest_list *e, **ep; - write_lock(&set->lock); for (ep=&set->list, e=*ep; e!=NULL; e=*ep) { if (e->dest == dest) { /* HIT */ @@ -144,7 +141,6 @@ ip_vs_dest_set_erase(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) } ep = &e->next; } - write_unlock(&set->lock); } static void ip_vs_dest_set_eraseall(struct ip_vs_dest_set *set) @@ -174,7 +170,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) if (set == NULL) return NULL; - read_lock(&set->lock); /* select the first destination server, whose weight > 0 */ for (e=set->list; e!=NULL; e=e->next) { least = e->dest; @@ -188,7 +183,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) goto nextstage; } } - read_unlock(&set->lock); return NULL; /* find the destination with the weighted least load */ @@ -207,7 +201,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) loh = doh; } } - read_unlock(&set->lock); IP_VS_DBG(6, "ip_vs_dest_set_min: server %d.%d.%d.%d:%d " "activeconns %d refcnt %d weight %d overhead %d\n", @@ -229,7 +222,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) if (set == NULL) return NULL; - read_lock(&set->lock); /* select the first destination server, whose weight > 0 */ for (e=set->list; e!=NULL; e=e->next) { most = e->dest; @@ -239,7 +231,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) goto nextstage; } } - read_unlock(&set->lock); return NULL; /* find the destination with the weighted most load */ @@ -256,7 +247,6 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) moh = doh; } } - read_unlock(&set->lock); IP_VS_DBG(6, "ip_vs_dest_set_max: server %d.%d.%d.%d:%d " "activeconns %d refcnt %d weight %d overhead %d\n", @@ -284,7 +274,6 @@ struct ip_vs_lblcr_entry { * IPVS lblcr hash table */ struct ip_vs_lblcr_table { - rwlock_t lock; /* lock for this table */ struct list_head bucket[IP_VS_LBLCR_TAB_SIZE]; /* hash bucket */ atomic_t entries; /* number of entries */ int max_size; /* maximum size of entries */ @@ -311,32 +300,6 @@ static ctl_table vs_vars_table[] = { static struct ctl_table_header * sysctl_header; -/* - * new/free a ip_vs_lblcr_entry, which is a mapping of a destination - * IP address to a server. - */ -static inline struct ip_vs_lblcr_entry *ip_vs_lblcr_new(__be32 daddr) -{ - struct ip_vs_lblcr_entry *en; - - en = kmalloc(sizeof(struct ip_vs_lblcr_entry), GFP_ATOMIC); - if (en == NULL) { - IP_VS_ERR("ip_vs_lblcr_new(): no memory\n"); - return NULL; - } - - INIT_LIST_HEAD(&en->list); - en->addr = daddr; - - /* initilize its dest set */ - atomic_set(&(en->set.size), 0); - en->set.list = NULL; - rwlock_init(&en->set.lock); - - return en; -} - - static inline void ip_vs_lblcr_free(struct ip_vs_lblcr_entry *en) { list_del(&en->list); @@ -358,55 +321,68 @@ static inline unsigned ip_vs_lblcr_hashkey(__be32 addr) * Hash an entry in the ip_vs_lblcr_table. * returns bool success. */ -static int +static void ip_vs_lblcr_hash(struct ip_vs_lblcr_table *tbl, struct ip_vs_lblcr_entry *en) { - unsigned hash; - - if (!list_empty(&en->list)) { - IP_VS_ERR("ip_vs_lblcr_hash(): request for already hashed, " - "called from %p\n", __builtin_return_address(0)); - return 0; - } + unsigned hash = ip_vs_lblcr_hashkey(en->addr); - /* - * Hash by destination IP address - */ - hash = ip_vs_lblcr_hashkey(en->addr); - - write_lock(&tbl->lock); list_add(&en->list, &tbl->bucket[hash]); atomic_inc(&tbl->entries); - write_unlock(&tbl->lock); - - return 1; } /* - * Get ip_vs_lblcr_entry associated with supplied parameters. + * Get ip_vs_lblcr_entry associated with supplied parameters. Called under + * read lock. */ static inline struct ip_vs_lblcr_entry * ip_vs_lblcr_get(struct ip_vs_lblcr_table *tbl, __be32 addr) { - unsigned hash; + unsigned hash = ip_vs_lblcr_hashkey(addr); struct ip_vs_lblcr_entry *en; - hash = ip_vs_lblcr_hashkey(addr); + list_for_each_entry(en, &tbl->bucket[hash], list) + if (en->addr == addr) + return en; + + return NULL; +} - read_lock(&tbl->lock); - list_for_each_entry(en, &tbl->bucket[hash], list) { - if (en->addr == addr) { - /* HIT */ - read_unlock(&tbl->lock); - return en; +/* + * Create or update an ip_vs_lblcr_entry, which is a mapping of a destination + * IP address to a server. Called under write lock. + */ +static inline struct ip_vs_lblcr_entry * +ip_vs_lblcr_new(struct ip_vs_lblcr_table *tbl, __be32 daddr, + struct ip_vs_dest *dest) +{ + struct ip_vs_lblcr_entry *en; + + en = ip_vs_lblcr_get(tbl, daddr); + if (!en) { + en = kmalloc(sizeof(*en), GFP_ATOMIC); + if (!en) { + IP_VS_ERR("ip_vs_lblcr_new(): no memory\n"); + return NULL; } + + en->addr = daddr; + en->lastuse = jiffies; + + /* initilize its dest set */ + atomic_set(&(en->set.size), 0); + en->set.list = NULL; + rwlock_init(&en->set.lock); + + ip_vs_lblcr_hash(tbl, en); } - read_unlock(&tbl->lock); + write_lock(&en->set.lock); + ip_vs_dest_set_insert(&en->set, dest); + write_unlock(&en->set.lock); - return NULL; + return en; } @@ -418,19 +394,18 @@ static void ip_vs_lblcr_flush(struct ip_vs_lblcr_table *tbl) int i; struct ip_vs_lblcr_entry *en, *nxt; + /* No locking required, only called during cleanup. */ for (i=0; ilock); list_for_each_entry_safe(en, nxt, &tbl->bucket[i], list) { ip_vs_lblcr_free(en); - atomic_dec(&tbl->entries); } - write_unlock(&tbl->lock); } } -static inline void ip_vs_lblcr_full_check(struct ip_vs_lblcr_table *tbl) +static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc) { + struct ip_vs_lblcr_table *tbl = svc->sched_data; unsigned long now = jiffies; int i, j; struct ip_vs_lblcr_entry *en, *nxt; @@ -438,7 +413,7 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_lblcr_table *tbl) for (i=0, j=tbl->rover; ilock); + write_lock(&svc->sched_lock); list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) { if (time_after(en->lastuse+sysctl_ip_vs_lblcr_expiration, now)) @@ -447,7 +422,7 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_lblcr_table *tbl) ip_vs_lblcr_free(en); atomic_dec(&tbl->entries); } - write_unlock(&tbl->lock); + write_unlock(&svc->sched_lock); } tbl->rover = j; } @@ -466,17 +441,16 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_lblcr_table *tbl) */ static void ip_vs_lblcr_check_expire(unsigned long data) { - struct ip_vs_lblcr_table *tbl; + struct ip_vs_service *svc = (struct ip_vs_service *) data; + struct ip_vs_lblcr_table *tbl = svc->sched_data; unsigned long now = jiffies; int goal; int i, j; struct ip_vs_lblcr_entry *en, *nxt; - tbl = (struct ip_vs_lblcr_table *)data; - if ((tbl->counter % COUNT_FOR_FULL_EXPIRATION) == 0) { /* do full expiration check */ - ip_vs_lblcr_full_check(tbl); + ip_vs_lblcr_full_check(svc); tbl->counter = 1; goto out; } @@ -493,7 +467,7 @@ static void ip_vs_lblcr_check_expire(unsigned long data) for (i=0, j=tbl->rover; ilock); + write_lock(&svc->sched_lock); list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) { if (time_before(now, en->lastuse+ENTRY_TIMEOUT)) continue; @@ -502,7 +476,7 @@ static void ip_vs_lblcr_check_expire(unsigned long data) atomic_dec(&tbl->entries); goal--; } - write_unlock(&tbl->lock); + write_unlock(&svc->sched_lock); if (goal <= 0) break; } @@ -520,15 +494,14 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc) /* * Allocate the ip_vs_lblcr_table for this service */ - tbl = kmalloc(sizeof(struct ip_vs_lblcr_table), GFP_ATOMIC); + tbl = kmalloc(sizeof(*tbl), GFP_ATOMIC); if (tbl == NULL) { IP_VS_ERR("ip_vs_lblcr_init_svc(): no memory\n"); return -ENOMEM; } svc->sched_data = tbl; IP_VS_DBG(6, "LBLCR hash table (memory=%Zdbytes) allocated for " - "current service\n", - sizeof(struct ip_vs_lblcr_table)); + "current service\n", sizeof(*tbl)); /* * Initialize the hash buckets @@ -536,7 +509,6 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc) for (i=0; ibucket[i]); } - rwlock_init(&tbl->lock); tbl->max_size = IP_VS_LBLCR_TAB_SIZE*16; tbl->rover = 0; tbl->counter = 1; @@ -545,9 +517,8 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc) * Hook periodic timer for garbage collection */ setup_timer(&tbl->periodic_timer, ip_vs_lblcr_check_expire, - (unsigned long)tbl); - tbl->periodic_timer.expires = jiffies+CHECK_EXPIRE_INTERVAL; - add_timer(&tbl->periodic_timer); + (unsigned long)svc); + mod_timer(&tbl->periodic_timer, jiffies + CHECK_EXPIRE_INTERVAL); return 0; } @@ -564,9 +535,9 @@ static int ip_vs_lblcr_done_svc(struct ip_vs_service *svc) ip_vs_lblcr_flush(tbl); /* release the table itself */ - kfree(svc->sched_data); + kfree(tbl); IP_VS_DBG(6, "LBLCR hash table (memory=%Zdbytes) released\n", - sizeof(struct ip_vs_lblcr_table)); + sizeof(*tbl)); return 0; } @@ -663,50 +634,78 @@ is_overloaded(struct ip_vs_dest *dest, struct ip_vs_service *svc) static struct ip_vs_dest * ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb) { - struct ip_vs_dest *dest; - struct ip_vs_lblcr_table *tbl; - struct ip_vs_lblcr_entry *en; + struct ip_vs_lblcr_table *tbl = svc->sched_data; struct iphdr *iph = ip_hdr(skb); + struct ip_vs_dest *dest = NULL; + struct ip_vs_lblcr_entry *en; IP_VS_DBG(6, "ip_vs_lblcr_schedule(): Scheduling...\n"); - tbl = (struct ip_vs_lblcr_table *)svc->sched_data; + /* First look in our cache */ + read_lock(&svc->sched_lock); en = ip_vs_lblcr_get(tbl, iph->daddr); - if (en == NULL) { - dest = __ip_vs_lblcr_schedule(svc, iph); - if (dest == NULL) { - IP_VS_DBG(1, "no destination available\n"); - return NULL; - } - en = ip_vs_lblcr_new(iph->daddr); - if (en == NULL) { - return NULL; - } - ip_vs_dest_set_insert(&en->set, dest); - ip_vs_lblcr_hash(tbl, en); - } else { + if (en) { + /* We only hold a read lock, but this is atomic */ + en->lastuse = jiffies; + + /* Get the least loaded destination */ + read_lock(&en->set.lock); dest = ip_vs_dest_set_min(&en->set); - if (!dest || is_overloaded(dest, svc)) { - dest = __ip_vs_lblcr_schedule(svc, iph); - if (dest == NULL) { - IP_VS_DBG(1, "no destination available\n"); - return NULL; - } - ip_vs_dest_set_insert(&en->set, dest); - } + read_unlock(&en->set.lock); + + /* More than one destination + enough time passed by, cleanup */ if (atomic_read(&en->set.size) > 1 && - jiffies-en->set.lastmod > sysctl_ip_vs_lblcr_expiration) { + time_after(jiffies, en->set.lastmod + + sysctl_ip_vs_lblcr_expiration)) { struct ip_vs_dest *m; + + write_lock(&en->set.lock); m = ip_vs_dest_set_max(&en->set); if (m) ip_vs_dest_set_erase(&en->set, m); + write_unlock(&en->set.lock); + } + + /* If the destination is not overloaded, use it */ + if (dest && !is_overloaded(dest, svc)) { + read_unlock(&svc->sched_lock); + goto out; + } + + /* The cache entry is invalid, time to schedule */ + dest = __ip_vs_lblcr_schedule(svc, iph); + if (!dest) { + IP_VS_DBG(1, "no destination available\n"); + read_unlock(&svc->sched_lock); + return NULL; } + + /* Update our cache entry */ + write_lock(&en->set.lock); + ip_vs_dest_set_insert(&en->set, dest); + write_unlock(&en->set.lock); + } + read_unlock(&svc->sched_lock); + + if (dest) + goto out; + + /* No cache entry, time to schedule */ + dest = __ip_vs_lblcr_schedule(svc, iph); + if (!dest) { + IP_VS_DBG(1, "no destination available\n"); + return NULL; } - en->lastuse = jiffies; + /* If we fail to create a cache entry, we'll just use the valid dest */ + write_lock(&svc->sched_lock); + ip_vs_lblcr_new(tbl, iph->daddr, dest); + write_unlock(&svc->sched_lock); + +out: IP_VS_DBG(6, "LBLCR: destination IP address %u.%u.%u.%u " "--> server %u.%u.%u.%u:%d\n", - NIPQUAD(en->addr), + NIPQUAD(iph->daddr), NIPQUAD(dest->addr), ntohs(dest->port)); -- GitLab From f329bdd439aa24d03dca75cdb3027372ddf691b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Tue, 19 Aug 2008 10:56:33 +0300 Subject: [PATCH 0436/6244] mpu401: reindent misindented spinlock MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: Jaroslav Kysela --- sound/oss/mpu401.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c index a690ca57adb5..6c0a770ed054 100644 --- a/sound/oss/mpu401.c +++ b/sound/oss/mpu401.c @@ -1015,7 +1015,7 @@ int attach_mpu401(struct address_info *hw_config, struct module *owner) mpu401_chk_version(m, devc); if (devc->version == 0) mpu401_chk_version(m, devc); - spin_unlock_irqrestore(&devc->lock,flags); + spin_unlock_irqrestore(&devc->lock, flags); } if (devc->version != 0) -- GitLab From ad67ef6848a1608b0430003e11e7af1ce706e341 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:40 +0300 Subject: [PATCH 0437/6244] ARM: OMAP2: Powerdomain: Add base OMAP2/3 powerdomain code This patch creates an interface to the powerdomain registers in the PRM/CM modules on OMAP2/3. This interface is intended to be used by PM code, e.g., pm.c; not by device drivers directly. Each powerdomain will be defined in later patches as static structures. Also defined are dependencies between powerdomains, used for adding and removing PM_WKDEP and CM_SLEEPDEP bits. The powerdomain structures are linked into a list at boot by pwrdm_register(), similar to the OMAP clock code. The patch adds a Kconfig option, CONFIG_OMAP_DEBUG_POWERDOMAIN, which when enabled will emit verbose debug messages via pr_debug(). Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Makefile | 2 +- arch/arm/mach-omap2/clock34xx.c | 27 +- arch/arm/mach-omap2/powerdomain.c | 909 ++++++++++++++++++ arch/arm/plat-omap/Kconfig | 12 + arch/arm/plat-omap/include/mach/powerdomain.h | 139 +++ 5 files changed, 1078 insertions(+), 11 deletions(-) create mode 100644 arch/arm/mach-omap2/powerdomain.c create mode 100644 arch/arm/plat-omap/include/mach/powerdomain.h diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 93ee990618ef..1001d42048e9 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -4,7 +4,7 @@ # Common support obj-y := irq.o id.o io.o memory.o control.o prcm.o clock.o mux.o \ - devices.o serial.o gpmc.o timer-gp.o + devices.o serial.o gpmc.o timer-gp.o powerdomain.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index 3ff74952f835..dff7a72fefc9 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -62,11 +62,14 @@ static void omap3_dpll_recalc(struct clk *clk) static void _omap3_dpll_write_clken(struct clk *clk, u8 clken_bits) { const struct dpll_data *dd; + u32 v; dd = clk->dpll_data; - cm_rmw_reg_bits(dd->enable_mask, clken_bits << __ffs(dd->enable_mask), - dd->control_reg); + v = __raw_readl(dd->control_reg); + v &= ~dd->enable_mask; + v |= clken_bits << __ffs(dd->enable_mask); + __raw_writel(v, dd->control_reg); } /* _omap3_wait_dpll_status: wait for a DPLL to enter a specific state */ @@ -82,7 +85,7 @@ static int _omap3_wait_dpll_status(struct clk *clk, u8 state) state <<= dd->idlest_bit; idlest_mask = 1 << dd->idlest_bit; - while (((cm_read_reg(dd->idlest_reg) & idlest_mask) != state) && + while (((__raw_readl(dd->idlest_reg) & idlest_mask) != state) && i < MAX_DPLL_WAIT_TRIES) { i++; udelay(1); @@ -285,7 +288,7 @@ static u32 omap3_dpll_autoidle_read(struct clk *clk) dd = clk->dpll_data; - v = cm_read_reg(dd->autoidle_reg); + v = __raw_readl(dd->autoidle_reg); v &= dd->autoidle_mask; v >>= __ffs(dd->autoidle_mask); @@ -304,6 +307,7 @@ static u32 omap3_dpll_autoidle_read(struct clk *clk) static void omap3_dpll_allow_idle(struct clk *clk) { const struct dpll_data *dd; + u32 v; if (!clk || !clk->dpll_data) return; @@ -315,9 +319,10 @@ static void omap3_dpll_allow_idle(struct clk *clk) * by writing 0x5 instead of 0x1. Add some mechanism to * optionally enter this mode. */ - cm_rmw_reg_bits(dd->autoidle_mask, - DPLL_AUTOIDLE_LOW_POWER_STOP << __ffs(dd->autoidle_mask), - dd->autoidle_reg); + v = __raw_readl(dd->autoidle_reg); + v &= ~dd->autoidle_mask; + v |= DPLL_AUTOIDLE_LOW_POWER_STOP << __ffs(dd->autoidle_mask); + __raw_writel(v, dd->autoidle_reg); } /** @@ -329,15 +334,17 @@ static void omap3_dpll_allow_idle(struct clk *clk) static void omap3_dpll_deny_idle(struct clk *clk) { const struct dpll_data *dd; + u32 v; if (!clk || !clk->dpll_data) return; dd = clk->dpll_data; - cm_rmw_reg_bits(dd->autoidle_mask, - DPLL_AUTOIDLE_DISABLE << __ffs(dd->autoidle_mask), - dd->autoidle_reg); + v = __raw_readl(dd->autoidle_reg); + v &= ~dd->autoidle_mask; + v |= DPLL_AUTOIDLE_DISABLE << __ffs(dd->autoidle_mask); + __raw_writel(v, dd->autoidle_reg); } /* Clock control for DPLL outputs */ diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c new file mode 100644 index 000000000000..1ec003832ef8 --- /dev/null +++ b/arch/arm/mach-omap2/powerdomain.c @@ -0,0 +1,909 @@ +/* + * OMAP powerdomain control + * + * Copyright (C) 2007-2008 Texas Instruments, Inc. + * Copyright (C) 2007-2008 Nokia Corporation + * + * Written by Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifdef CONFIG_OMAP_DEBUG_POWERDOMAIN +# define DEBUG +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "cm.h" +#include "cm-regbits-34xx.h" +#include "prm.h" +#include "prm-regbits-34xx.h" + +#include +#include + +/* pwrdm_list contains all registered struct powerdomains */ +static LIST_HEAD(pwrdm_list); + +/* + * pwrdm_rwlock protects pwrdm_list add and del ops - also reused to + * protect pwrdm_clkdms[] during clkdm add/del ops + */ +static DEFINE_RWLOCK(pwrdm_rwlock); + + +/* Private functions */ + +static u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) +{ + u32 v; + + v = prm_read_mod_reg(domain, idx); + v &= mask; + v >>= __ffs(mask); + + return v; +} + +static struct powerdomain *_pwrdm_lookup(const char *name) +{ + struct powerdomain *pwrdm, *temp_pwrdm; + + pwrdm = NULL; + + list_for_each_entry(temp_pwrdm, &pwrdm_list, node) { + if (!strcmp(name, temp_pwrdm->name)) { + pwrdm = temp_pwrdm; + break; + } + } + + return pwrdm; +} + +/* _pwrdm_deps_lookup - look up the specified powerdomain in a pwrdm list */ +static struct powerdomain *_pwrdm_deps_lookup(struct powerdomain *pwrdm, + struct pwrdm_dep *deps) +{ + struct pwrdm_dep *pd; + + if (!pwrdm || !deps || !omap_chip_is(pwrdm->omap_chip)) + return ERR_PTR(-EINVAL); + + for (pd = deps; pd; pd++) { + + if (!omap_chip_is(pd->omap_chip)) + continue; + + if (!pd->pwrdm && pd->pwrdm_name) + pd->pwrdm = pwrdm_lookup(pd->pwrdm_name); + + if (pd->pwrdm == pwrdm) + break; + + } + + if (!pd) + return ERR_PTR(-ENOENT); + + return pd->pwrdm; +} + + +/* Public functions */ + +/** + * pwrdm_init - set up the powerdomain layer + * + * Loop through the list of powerdomains, registering all that are + * available on the current CPU. If pwrdm_list is supplied and not + * null, all of the referenced powerdomains will be registered. No + * return value. + */ +void pwrdm_init(struct powerdomain **pwrdm_list) +{ + struct powerdomain **p = NULL; + + if (pwrdm_list) + for (p = pwrdm_list; *p; p++) + pwrdm_register(*p); +} + +/** + * pwrdm_register - register a powerdomain + * @pwrdm: struct powerdomain * to register + * + * Adds a powerdomain to the internal powerdomain list. Returns + * -EINVAL if given a null pointer, -EEXIST if a powerdomain is + * already registered by the provided name, or 0 upon success. + */ +int pwrdm_register(struct powerdomain *pwrdm) +{ + unsigned long flags; + int ret = -EINVAL; + + if (!pwrdm) + return -EINVAL; + + if (!omap_chip_is(pwrdm->omap_chip)) + return -EINVAL; + + write_lock_irqsave(&pwrdm_rwlock, flags); + if (_pwrdm_lookup(pwrdm->name)) { + ret = -EEXIST; + goto pr_unlock; + } + + list_add(&pwrdm->node, &pwrdm_list); + + pr_debug("powerdomain: registered %s\n", pwrdm->name); + ret = 0; + +pr_unlock: + write_unlock_irqrestore(&pwrdm_rwlock, flags); + + return ret; +} + +/** + * pwrdm_unregister - unregister a powerdomain + * @pwrdm: struct powerdomain * to unregister + * + * Removes a powerdomain from the internal powerdomain list. Returns + * -EINVAL if pwrdm argument is NULL. + */ +int pwrdm_unregister(struct powerdomain *pwrdm) +{ + unsigned long flags; + + if (!pwrdm) + return -EINVAL; + + write_lock_irqsave(&pwrdm_rwlock, flags); + list_del(&pwrdm->node); + write_unlock_irqrestore(&pwrdm_rwlock, flags); + + pr_debug("powerdomain: unregistered %s\n", pwrdm->name); + + return 0; +} + +/** + * pwrdm_lookup - look up a powerdomain by name, return a pointer + * @name: name of powerdomain + * + * Find a registered powerdomain by its name. Returns a pointer to the + * struct powerdomain if found, or NULL otherwise. + */ +struct powerdomain *pwrdm_lookup(const char *name) +{ + struct powerdomain *pwrdm; + unsigned long flags; + + if (!name) + return NULL; + + read_lock_irqsave(&pwrdm_rwlock, flags); + pwrdm = _pwrdm_lookup(name); + read_unlock_irqrestore(&pwrdm_rwlock, flags); + + return pwrdm; +} + +/** + * pwrdm_for_each - call function on each registered clockdomain + * @fn: callback function * + * + * Call the supplied function for each registered powerdomain. The + * callback function can return anything but 0 to bail out early from + * the iterator. The callback function is called with the pwrdm_rwlock + * held for reading, so no powerdomain structure manipulation + * functions should be called from the callback, although hardware + * powerdomain control functions are fine. Returns the last return + * value of the callback function, which should be 0 for success or + * anything else to indicate failure; or -EINVAL if the function + * pointer is null. + */ +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) +{ + struct powerdomain *temp_pwrdm; + unsigned long flags; + int ret = 0; + + if (!fn) + return -EINVAL; + + read_lock_irqsave(&pwrdm_rwlock, flags); + list_for_each_entry(temp_pwrdm, &pwrdm_list, node) { + ret = (*fn)(temp_pwrdm); + if (ret) + break; + } + read_unlock_irqrestore(&pwrdm_rwlock, flags); + + return ret; +} + +/** + * pwrdm_add_wkdep - add a wakeup dependency from pwrdm2 to pwrdm1 + * @pwrdm1: wake this struct powerdomain * up (dependent) + * @pwrdm2: when this struct powerdomain * wakes up (source) + * + * When the powerdomain represented by pwrdm2 wakes up (due to an + * interrupt), wake up pwrdm1. Implemented in hardware on the OMAP, + * this feature is designed to reduce wakeup latency of the dependent + * powerdomain. Returns -EINVAL if presented with invalid powerdomain + * pointers, -ENOENT if pwrdm2 cannot wake up pwrdm1 in hardware, or + * 0 upon success. + */ +int pwrdm_add_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->wkdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear wake up of " + "%s when %s wakes up\n", pwrdm1->name, pwrdm2->name); + return IS_ERR(p); + } + + pr_debug("powerdomain: hardware will wake up %s when %s wakes up\n", + pwrdm1->name, pwrdm2->name); + + prm_set_mod_reg_bits((1 << pwrdm2->dep_bit), + pwrdm1->prcm_offs, PM_WKDEP); + + return 0; +} + +/** + * pwrdm_del_wkdep - remove a wakeup dependency from pwrdm2 to pwrdm1 + * @pwrdm1: wake this struct powerdomain * up (dependent) + * @pwrdm2: when this struct powerdomain * wakes up (source) + * + * Remove a wakeup dependency that causes pwrdm1 to wake up when pwrdm2 + * wakes up. Returns -EINVAL if presented with invalid powerdomain + * pointers, -ENOENT if pwrdm2 cannot wake up pwrdm1 in hardware, or + * 0 upon success. + */ +int pwrdm_del_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->wkdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear wake up of " + "%s when %s wakes up\n", pwrdm1->name, pwrdm2->name); + return IS_ERR(p); + } + + pr_debug("powerdomain: hardware will no longer wake up %s after %s " + "wakes up\n", pwrdm1->name, pwrdm2->name); + + prm_clear_mod_reg_bits((1 << pwrdm2->dep_bit), + pwrdm1->prcm_offs, PM_WKDEP); + + return 0; +} + +/** + * pwrdm_read_wkdep - read wakeup dependency state from pwrdm2 to pwrdm1 + * @pwrdm1: wake this struct powerdomain * up (dependent) + * @pwrdm2: when this struct powerdomain * wakes up (source) + * + * Return 1 if a hardware wakeup dependency exists wherein pwrdm1 will be + * awoken when pwrdm2 wakes up; 0 if dependency is not set; -EINVAL + * if either powerdomain pointer is invalid; or -ENOENT if the hardware + * is incapable. + * + * REVISIT: Currently this function only represents software-controllable + * wakeup dependencies. Wakeup dependencies fixed in hardware are not + * yet handled here. + */ +int pwrdm_read_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->wkdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear wake up of " + "%s when %s wakes up\n", pwrdm1->name, pwrdm2->name); + return IS_ERR(p); + } + + return prm_read_mod_bits_shift(pwrdm1->prcm_offs, PM_WKDEP, + (1 << pwrdm2->dep_bit)); +} + +/** + * pwrdm_add_sleepdep - add a sleep dependency from pwrdm2 to pwrdm1 + * @pwrdm1: prevent this struct powerdomain * from sleeping (dependent) + * @pwrdm2: when this struct powerdomain * is active (source) + * + * Prevent pwrdm1 from automatically going inactive (and then to + * retention or off) if pwrdm2 is still active. Returns -EINVAL if + * presented with invalid powerdomain pointers or called on a machine + * that does not support software-configurable hardware sleep dependencies, + * -ENOENT if the specified dependency cannot be set in hardware, or + * 0 upon success. + */ +int pwrdm_add_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + if (!cpu_is_omap34xx()) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear sleep " + "dependency affecting %s from %s\n", pwrdm1->name, + pwrdm2->name); + return IS_ERR(p); + } + + pr_debug("powerdomain: will prevent %s from sleeping if %s is active\n", + pwrdm1->name, pwrdm2->name); + + cm_set_mod_reg_bits((1 << pwrdm2->dep_bit), + pwrdm1->prcm_offs, OMAP3430_CM_SLEEPDEP); + + return 0; +} + +/** + * pwrdm_del_sleepdep - remove a sleep dependency from pwrdm2 to pwrdm1 + * @pwrdm1: prevent this struct powerdomain * from sleeping (dependent) + * @pwrdm2: when this struct powerdomain * is active (source) + * + * Allow pwrdm1 to automatically go inactive (and then to retention or + * off), independent of the activity state of pwrdm2. Returns -EINVAL + * if presented with invalid powerdomain pointers or called on a machine + * that does not support software-configurable hardware sleep dependencies, + * -ENOENT if the specified dependency cannot be cleared in hardware, or + * 0 upon success. + */ +int pwrdm_del_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + if (!cpu_is_omap34xx()) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear sleep " + "dependency affecting %s from %s\n", pwrdm1->name, + pwrdm2->name); + return IS_ERR(p); + } + + pr_debug("powerdomain: will no longer prevent %s from sleeping if " + "%s is active\n", pwrdm1->name, pwrdm2->name); + + cm_clear_mod_reg_bits((1 << pwrdm2->dep_bit), + pwrdm1->prcm_offs, OMAP3430_CM_SLEEPDEP); + + return 0; +} + +/** + * pwrdm_read_sleepdep - read sleep dependency state from pwrdm2 to pwrdm1 + * @pwrdm1: prevent this struct powerdomain * from sleeping (dependent) + * @pwrdm2: when this struct powerdomain * is active (source) + * + * Return 1 if a hardware sleep dependency exists wherein pwrdm1 will + * not be allowed to automatically go inactive if pwrdm2 is active; + * 0 if pwrdm1's automatic power state inactivity transition is independent + * of pwrdm2's; -EINVAL if either powerdomain pointer is invalid or called + * on a machine that does not support software-configurable hardware sleep + * dependencies; or -ENOENT if the hardware is incapable. + * + * REVISIT: Currently this function only represents software-controllable + * sleep dependencies. Sleep dependencies fixed in hardware are not + * yet handled here. + */ +int pwrdm_read_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2) +{ + struct powerdomain *p; + + if (!pwrdm1) + return -EINVAL; + + if (!cpu_is_omap34xx()) + return -EINVAL; + + p = _pwrdm_deps_lookup(pwrdm2, pwrdm1->sleepdep_srcs); + if (IS_ERR(p)) { + pr_debug("powerdomain: hardware cannot set/clear sleep " + "dependency affecting %s from %s\n", pwrdm1->name, + pwrdm2->name); + return IS_ERR(p); + } + + return prm_read_mod_bits_shift(pwrdm1->prcm_offs, OMAP3430_CM_SLEEPDEP, + (1 << pwrdm2->dep_bit)); +} + +/** + * pwrdm_get_mem_bank_count - get number of memory banks in this powerdomain + * @pwrdm: struct powerdomain * + * + * Return the number of controllable memory banks in powerdomain pwrdm, + * starting with 1. Returns -EINVAL if the powerdomain pointer is null. + */ +int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + return pwrdm->banks; +} + +/** + * pwrdm_set_next_pwrst - set next powerdomain power state + * @pwrdm: struct powerdomain * to set + * @pwrst: one of the PWRDM_POWER_* macros + * + * Set the powerdomain pwrdm's next power state to pwrst. The powerdomain + * may not enter this state immediately if the preconditions for this state + * have not been satisfied. Returns -EINVAL if the powerdomain pointer is + * null or if the power state is invalid for the powerdomin, or returns 0 + * upon success. + */ +int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) +{ + if (!pwrdm) + return -EINVAL; + + if (!(pwrdm->pwrsts & (1 << pwrst))) + return -EINVAL; + + pr_debug("powerdomain: setting next powerstate for %s to %0x\n", + pwrdm->name, pwrst); + + prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK, + (pwrst << OMAP_POWERSTATE_SHIFT), + pwrdm->prcm_offs, PM_PWSTCTRL); + + return 0; +} + +/** + * pwrdm_read_next_pwrst - get next powerdomain power state + * @pwrdm: struct powerdomain * to get power state + * + * Return the powerdomain pwrdm's next power state. Returns -EINVAL + * if the powerdomain pointer is null or returns the next power state + * upon success. + */ +int pwrdm_read_next_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTCTRL, + OMAP_POWERSTATE_MASK); +} + +/** + * pwrdm_read_pwrst - get current powerdomain power state + * @pwrdm: struct powerdomain * to get power state + * + * Return the powerdomain pwrdm's current power state. Returns -EINVAL + * if the powerdomain pointer is null or returns the current power state + * upon success. + */ +int pwrdm_read_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, + OMAP_POWERSTATEST_MASK); +} + +/** + * pwrdm_read_prev_pwrst - get previous powerdomain power state + * @pwrdm: struct powerdomain * to get previous power state + * + * Return the powerdomain pwrdm's previous power state. Returns -EINVAL + * if the powerdomain pointer is null or returns the previous power state + * upon success. + */ +int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST, + OMAP3430_LASTPOWERSTATEENTERED_MASK); +} + +/** + * pwrdm_set_logic_retst - set powerdomain logic power state upon retention + * @pwrdm: struct powerdomain * to set + * @pwrst: one of the PWRDM_POWER_* macros + * + * Set the next power state that the logic portion of the powerdomain + * pwrdm will enter when the powerdomain enters retention. This will + * be either RETENTION or OFF, if supported. Returns -EINVAL if the + * powerdomain pointer is null or the target power state is not not + * supported, or returns 0 upon success. + */ +int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst) +{ + if (!pwrdm) + return -EINVAL; + + if (!(pwrdm->pwrsts_logic_ret & (1 << pwrst))) + return -EINVAL; + + pr_debug("powerdomain: setting next logic powerstate for %s to %0x\n", + pwrdm->name, pwrst); + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE, + (pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE)), + pwrdm->prcm_offs, PM_PWSTCTRL); + + return 0; +} + +/** + * pwrdm_set_mem_onst - set memory power state while powerdomain ON + * @pwrdm: struct powerdomain * to set + * @bank: memory bank number to set (0-3) + * @pwrst: one of the PWRDM_POWER_* macros + * + * Set the next power state that memory bank x of the powerdomain + * pwrdm will enter when the powerdomain enters the ON state. Bank + * will be a number from 0 to 3, and represents different types of + * memory, depending on the powerdomain. Returns -EINVAL if the + * powerdomain pointer is null or the target power state is not not + * supported for this memory bank, -EEXIST if the target memory bank + * does not exist or is not controllable, or returns 0 upon success. + */ +int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst) +{ + u32 m; + + if (!pwrdm) + return -EINVAL; + + if (pwrdm->banks < (bank + 1)) + return -EEXIST; + + if (!(pwrdm->pwrsts_mem_on[bank] & (1 << pwrst))) + return -EINVAL; + + pr_debug("powerdomain: setting next memory powerstate for domain %s " + "bank %0x while pwrdm-ON to %0x\n", pwrdm->name, bank, pwrst); + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + switch (bank) { + case 0: + m = OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK; + break; + case 1: + m = OMAP3430_L1FLATMEMONSTATE_MASK; + break; + case 2: + m = OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK; + break; + case 3: + m = OMAP3430_L2FLATMEMONSTATE_MASK; + break; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + + prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), + pwrdm->prcm_offs, PM_PWSTCTRL); + + return 0; +} + +/** + * pwrdm_set_mem_retst - set memory power state while powerdomain in RET + * @pwrdm: struct powerdomain * to set + * @bank: memory bank number to set (0-3) + * @pwrst: one of the PWRDM_POWER_* macros + * + * Set the next power state that memory bank x of the powerdomain + * pwrdm will enter when the powerdomain enters the RETENTION state. + * Bank will be a number from 0 to 3, and represents different types + * of memory, depending on the powerdomain. pwrst will be either + * RETENTION or OFF, if supported. Returns -EINVAL if the powerdomain + * pointer is null or the target power state is not not supported for + * this memory bank, -EEXIST if the target memory bank does not exist + * or is not controllable, or returns 0 upon success. + */ +int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst) +{ + u32 m; + + if (!pwrdm) + return -EINVAL; + + if (pwrdm->banks < (bank + 1)) + return -EEXIST; + + if (!(pwrdm->pwrsts_mem_ret[bank] & (1 << pwrst))) + return -EINVAL; + + pr_debug("powerdomain: setting next memory powerstate for domain %s " + "bank %0x while pwrdm-RET to %0x\n", pwrdm->name, bank, pwrst); + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + switch (bank) { + case 0: + m = OMAP3430_SHAREDL1CACHEFLATRETSTATE; + break; + case 1: + m = OMAP3430_L1FLATMEMRETSTATE; + break; + case 2: + m = OMAP3430_SHAREDL2CACHEFLATRETSTATE; + break; + case 3: + m = OMAP3430_L2FLATMEMRETSTATE; + break; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + + prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs, + PM_PWSTCTRL); + + return 0; +} + +/** + * pwrdm_read_logic_pwrst - get current powerdomain logic retention power state + * @pwrdm: struct powerdomain * to get current logic retention power state + * + * Return the current power state that the logic portion of + * powerdomain pwrdm will enter + * Returns -EINVAL if the powerdomain pointer is null or returns the + * current logic retention power state upon success. + */ +int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, + OMAP3430_LOGICSTATEST); +} + +/** + * pwrdm_read_prev_logic_pwrst - get previous powerdomain logic power state + * @pwrdm: struct powerdomain * to get previous logic power state + * + * Return the powerdomain pwrdm's logic power state. Returns -EINVAL + * if the powerdomain pointer is null or returns the previous logic + * power state upon success. + */ +int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + return prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST, + OMAP3430_LASTLOGICSTATEENTERED); +} + +/** + * pwrdm_read_mem_pwrst - get current memory bank power state + * @pwrdm: struct powerdomain * to get current memory bank power state + * @bank: memory bank number (0-3) + * + * Return the powerdomain pwrdm's current memory power state for bank + * x. Returns -EINVAL if the powerdomain pointer is null, -EEXIST if + * the target memory bank does not exist or is not controllable, or + * returns the current memory power state upon success. + */ +int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank) +{ + u32 m; + + if (!pwrdm) + return -EINVAL; + + if (pwrdm->banks < (bank + 1)) + return -EEXIST; + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + switch (bank) { + case 0: + m = OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK; + break; + case 1: + m = OMAP3430_L1FLATMEMSTATEST_MASK; + break; + case 2: + m = OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK; + break; + case 3: + m = OMAP3430_L2FLATMEMSTATEST_MASK; + break; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, PM_PWSTST, m); +} + +/** + * pwrdm_read_prev_mem_pwrst - get previous memory bank power state + * @pwrdm: struct powerdomain * to get previous memory bank power state + * @bank: memory bank number (0-3) + * + * Return the powerdomain pwrdm's previous memory power state for bank + * x. Returns -EINVAL if the powerdomain pointer is null, -EEXIST if + * the target memory bank does not exist or is not controllable, or + * returns the previous memory power state upon success. + */ +int pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank) +{ + u32 m; + + if (!pwrdm) + return -EINVAL; + + if (pwrdm->banks < (bank + 1)) + return -EEXIST; + + /* + * The register bit names below may not correspond to the + * actual names of the bits in each powerdomain's register, + * but the type of value returned is the same for each + * powerdomain. + */ + switch (bank) { + case 0: + m = OMAP3430_LASTMEM1STATEENTERED_MASK; + break; + case 1: + m = OMAP3430_LASTMEM2STATEENTERED_MASK; + break; + case 2: + m = OMAP3430_LASTSHAREDL2CACHEFLATSTATEENTERED_MASK; + break; + case 3: + m = OMAP3430_LASTL2FLATMEMSTATEENTERED_MASK; + break; + default: + WARN_ON(1); /* should never happen */ + return -EEXIST; + } + + return prm_read_mod_bits_shift(pwrdm->prcm_offs, + OMAP3430_PM_PREPWSTST, m); +} + +/** + * pwrdm_clear_all_prev_pwrst - clear previous powerstate register for a pwrdm + * @pwrdm: struct powerdomain * to clear + * + * Clear the powerdomain's previous power state register. Clears the + * entire register, including logic and memory bank previous power states. + * Returns -EINVAL if the powerdomain pointer is null, or returns 0 upon + * success. + */ +int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm) +{ + if (!pwrdm) + return -EINVAL; + + /* + * XXX should get the powerdomain's current state here; + * warn & fail if it is not ON. + */ + + pr_debug("powerdomain: clearing previous power state reg for %s\n", + pwrdm->name); + + prm_write_mod_reg(0, pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST); + + return 0; +} + +/** + * pwrdm_wait_transition - wait for powerdomain power transition to finish + * @pwrdm: struct powerdomain * to wait for + * + * If the powerdomain pwrdm is in the process of a state transition, + * spin until it completes the power transition, or until an iteration + * bailout value is reached. Returns -EINVAL if the powerdomain + * pointer is null, -EAGAIN if the bailout value was reached, or + * returns 0 upon success. + */ +int pwrdm_wait_transition(struct powerdomain *pwrdm) +{ + u32 c = 0; + + if (!pwrdm) + return -EINVAL; + + /* + * REVISIT: pwrdm_wait_transition() may be better implemented + * via a callback and a periodic timer check -- how long do we expect + * powerdomain transitions to take? + */ + + /* XXX Is this udelay() value meaningful? */ + while ((prm_read_mod_reg(pwrdm->prcm_offs, PM_PWSTST) & + OMAP_INTRANSITION) && + (c++ < PWRDM_TRANSITION_BAILOUT)) + udelay(1); + + if (c >= PWRDM_TRANSITION_BAILOUT) { + printk(KERN_ERR "powerdomain: waited too long for " + "powerdomain %s to complete transition\n", pwrdm->name); + return -EAGAIN; + } + + pr_debug("powerdomain: completed transition in %d loops\n", c); + + return 0; +} + + diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index b917206ee906..e815fa35f7f4 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -29,6 +29,18 @@ config OMAP_DEBUG_LEDS depends on OMAP_DEBUG_DEVICES default y if LEDS || LEDS_OMAP_DEBUG +config OMAP_DEBUG_POWERDOMAIN + bool "Emit debug messages from powerdomain layer" + depends on ARCH_OMAP2 || ARCH_OMAP3 + default n + help + Say Y here if you want to compile in powerdomain layer + debugging messages for OMAP2/3. These messages can + provide more detail as to why some powerdomain calls + may be failing, and will also emit a descriptive message + for every powerdomain register write. However, the + extra detail costs some memory. + config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_OMAP diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h new file mode 100644 index 000000000000..c8f52c6f8b7e --- /dev/null +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -0,0 +1,139 @@ +/* + * OMAP2/3 powerdomain control + * + * Copyright (C) 2007-8 Texas Instruments, Inc. + * Copyright (C) 2007-8 Nokia Corporation + * + * Written by Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef ASM_ARM_ARCH_OMAP_POWERDOMAIN +#define ASM_ARM_ARCH_OMAP_POWERDOMAIN + +#include +#include + +#include + +#include + + +/* Powerdomain basic power states */ +#define PWRDM_POWER_OFF 0x0 +#define PWRDM_POWER_RET 0x1 +#define PWRDM_POWER_INACTIVE 0x2 +#define PWRDM_POWER_ON 0x3 + +/* Powerdomain allowable state bitfields */ +#define PWRSTS_OFF_ON ((1 << PWRDM_POWER_OFF) | \ + (1 << PWRDM_POWER_ON)) + +#define PWRSTS_OFF_RET ((1 << PWRDM_POWER_OFF) | \ + (1 << PWRDM_POWER_RET)) + +#define PWRSTS_OFF_RET_ON (PWRSTS_OFF_RET | (1 << PWRDM_POWER_ON)) + + +/* + * Number of memory banks that are power-controllable. On OMAP3430, the + * maximum is 4. + */ +#define PWRDM_MAX_MEM_BANKS 4 + +/* XXX A completely arbitrary number. What is reasonable here? */ +#define PWRDM_TRANSITION_BAILOUT 100000 + +struct powerdomain; + +/* Encodes dependencies between powerdomains - statically defined */ +struct pwrdm_dep { + + /* Powerdomain name */ + const char *pwrdm_name; + + /* Powerdomain pointer - resolved by the powerdomain code */ + struct powerdomain *pwrdm; + + /* Flags to mark OMAP chip restrictions, etc. */ + const struct omap_chip_id omap_chip; + +}; + +struct powerdomain { + + /* Powerdomain name */ + const char *name; + + /* the address offset from CM_BASE/PRM_BASE */ + const s16 prcm_offs; + + /* Used to represent the OMAP chip types containing this pwrdm */ + const struct omap_chip_id omap_chip; + + /* Bit shift of this powerdomain's PM_WKDEP/CM_SLEEPDEP bit */ + const u8 dep_bit; + + /* Powerdomains that can be told to wake this powerdomain up */ + struct pwrdm_dep *wkdep_srcs; + + /* Powerdomains that can be told to keep this pwrdm from inactivity */ + struct pwrdm_dep *sleepdep_srcs; + + /* Possible powerdomain power states */ + const u8 pwrsts; + + /* Possible logic power states when pwrdm in RETENTION */ + const u8 pwrsts_logic_ret; + + /* Number of software-controllable memory banks in this powerdomain */ + const u8 banks; + + /* Possible memory bank pwrstates when pwrdm in RETENTION */ + const u8 pwrsts_mem_ret[PWRDM_MAX_MEM_BANKS]; + + /* Possible memory bank pwrstates when pwrdm is ON */ + const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS]; + + struct list_head node; + +}; + + +void pwrdm_init(struct powerdomain **pwrdm_list); + +int pwrdm_register(struct powerdomain *pwrdm); +int pwrdm_unregister(struct powerdomain *pwrdm); +struct powerdomain *pwrdm_lookup(const char *name); + +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)); + +int pwrdm_add_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); +int pwrdm_del_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); +int pwrdm_read_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); +int pwrdm_add_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); +int pwrdm_del_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); +int pwrdm_read_sleepdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); + +int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm); + +int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst); +int pwrdm_read_next_pwrst(struct powerdomain *pwrdm); +int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm); +int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm); + +int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst); +int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); +int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); + +int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm); +int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm); +int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank); +int pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank); + +int pwrdm_wait_transition(struct powerdomain *pwrdm); + +#endif -- GitLab From 9717100f77538bbee54d2b5c293fd829b252d2a6 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:40 +0300 Subject: [PATCH 0438/6244] ARM: OMAP2: Powerdomain: Add OMAP2/3 common powerdomains Add powerdomains common to both OMAP2 and OMAP3 (WKUP and GFX/SGX). Modify mach-omap2/io.c to initialize the powerdomain code on boot. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/io.c | 5 + arch/arm/mach-omap2/powerdomains.h | 147 +++++++++++++++++++++++++++++ arch/arm/mach-omap2/prm.h | 3 +- 3 files changed, 154 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-omap2/powerdomains.h diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 987351f07d7b..5f73cf0bb7ef 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -24,6 +24,10 @@ #include #include +#include + +#include "powerdomains.h" + extern void omap_sram_init(void); extern int omap2_clk_init(void); extern void omap2_check_revision(void); @@ -101,6 +105,7 @@ void __init omap2_map_common_io(void) void __init omap2_init_common_hw(void) { omap2_mux_init(); + pwrdm_init(powerdomains_omap); omap2_clk_init(); /* * Need to Fix this for 2430 diff --git a/arch/arm/mach-omap2/powerdomains.h b/arch/arm/mach-omap2/powerdomains.h new file mode 100644 index 000000000000..1936df23559a --- /dev/null +++ b/arch/arm/mach-omap2/powerdomains.h @@ -0,0 +1,147 @@ +/* + * OMAP2/3 common powerdomain definitions + * + * Copyright (C) 2007-8 Texas Instruments, Inc. + * Copyright (C) 2007-8 Nokia Corporation + * + * Written by Paul Walmsley + * Debugging and integration fixes by Jouni Högander + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef ARCH_ARM_MACH_OMAP2_POWERDOMAINS +#define ARCH_ARM_MACH_OMAP2_POWERDOMAINS + +/* + * This file contains all of the powerdomains that have some element + * of software control for the OMAP24xx and OMAP34XX chips. + * + * A few notes: + * + * This is not an exhaustive listing of powerdomains on the chips; only + * powerdomains that can be controlled in software. + * + * A useful validation rule for struct powerdomain: + * Any powerdomain referenced by a wkdep_srcs or sleepdep_srcs array + * must have a dep_bit assigned. So wkdep_srcs/sleepdep_srcs are really + * just software-controllable dependencies. Non-software-controllable + * dependencies do exist, but they are not encoded below (yet). + * + * 24xx does not support programmable sleep dependencies (SLEEPDEP) + * + */ + +/* + * The names for the DSP/IVA2 powerdomains are confusing. + * + * Most OMAP chips have an on-board DSP. + * + * On the 2420, this is a 'C55 DSP called, simply, the DSP. Its + * powerdomain is called the "DSP power domain." On the 2430, the + * on-board DSP is a 'C64 DSP, now called the IVA2 or IVA2.1. Its + * powerdomain is still called the "DSP power domain." On the 3430, + * the DSP is a 'C64 DSP like the 2430, also known as the IVA2; but + * its powerdomain is now called the "IVA2 power domain." + * + * The 2420 also has something called the IVA, which is a separate ARM + * core, and has nothing to do with the DSP/IVA2. + * + * Ideally the DSP/IVA2 could just be the same powerdomain, but the PRCM + * address offset is different between the C55 and C64 DSPs. + * + * The overly-specific dep_bit names are due to a bit name collision + * with CM_FCLKEN_{DSP,IVA2}. The DSP/IVA2 PM_WKDEP and CM_SLEEPDEP shift + * value are the same for all powerdomains: 2 + */ + +/* + * XXX should dep_bit be a mask, so we can test to see if it is 0 as a + * sanity check? + * XXX encode hardware fixed wakeup dependencies -- esp. for 3430 CORE + */ + +#include + +#include "prcm-common.h" +#include "prm.h" +#include "cm.h" + +/* OMAP2/3-common powerdomains and wakeup dependencies */ + +/* + * 2420/2430 PM_WKDEP_GFX: CORE, MPU, WKUP + * 3430ES1 PM_WKDEP_GFX: adds IVA2, removes CORE + * 3430ES2 PM_WKDEP_SGX: adds IVA2, removes CORE + */ +static struct pwrdm_dep gfx_sgx_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | + CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | + CHIP_IS_OMAP3430) + }, + { NULL }, +}; + +/* + * OMAP2/3 common powerdomains + */ + +/* XXX add sleepdeps for this powerdomain : 3430 */ + +/* + * The GFX powerdomain is not present on 3430ES2, but currently we do not + * have a macro to filter it out at compile-time. + */ +static struct powerdomain gfx_pwrdm = { + .name = "gfx_pwrdm", + .prcm_offs = GFX_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | + CHIP_IS_OMAP3430ES1), + .wkdep_srcs = gfx_sgx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +static struct powerdomain wkup_pwrdm = { + .name = "wkup_pwrdm", + .prcm_offs = WKUP_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430), + .dep_bit = OMAP_EN_WKUP_SHIFT, +}; + + + +/* As powerdomains are added or removed above, this list must also be changed */ +static struct powerdomain *powerdomains_omap[] __initdata = { + + &gfx_pwrdm, + &wkup_pwrdm, + + NULL +}; + + +#endif diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index bbf41fc8e9a9..eb9982fb21d5 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -305,7 +305,8 @@ static inline u32 prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) * 3430: PM_WKDEP_IVA2, PM_WKDEP_GFX, PM_WKDEP_DSS, PM_WKDEP_CAM, * PM_WKDEP_PER */ -#define OMAP_EN_WKUP (1 << 4) +#define OMAP_EN_WKUP_SHIFT 4 +#define OMAP_EN_WKUP_MASK (1 << 4) /* * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, -- GitLab From fe6a58f8f50500a4c9a82da4a9bdae41c1500fa0 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:42 +0300 Subject: [PATCH 0439/6244] ARM: OMAP2: Powerdomain: Add OMAP2 powerdomains Add OMAP2-specific powerdomains. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/powerdomains.h | 14 ++ arch/arm/mach-omap2/powerdomains24xx.h | 200 +++++++++++++++++++++++++ arch/arm/mach-omap2/prm-regbits-24xx.h | 12 +- 3 files changed, 222 insertions(+), 4 deletions(-) create mode 100644 arch/arm/mach-omap2/powerdomains24xx.h diff --git a/arch/arm/mach-omap2/powerdomains.h b/arch/arm/mach-omap2/powerdomains.h index 1936df23559a..325e2ba04067 100644 --- a/arch/arm/mach-omap2/powerdomains.h +++ b/arch/arm/mach-omap2/powerdomains.h @@ -98,6 +98,10 @@ static struct pwrdm_dep gfx_sgx_wkdeps[] = { { NULL }, }; + +#include "powerdomains24xx.h" + + /* * OMAP2/3 common powerdomains */ @@ -140,6 +144,16 @@ static struct powerdomain *powerdomains_omap[] __initdata = { &gfx_pwrdm, &wkup_pwrdm, +#ifdef CONFIG_ARCH_OMAP24XX + &dsp_pwrdm, + &mpu_24xx_pwrdm, + &core_24xx_pwrdm, +#endif + +#ifdef CONFIG_ARCH_OMAP2430 + &mdm_pwrdm, +#endif + NULL }; diff --git a/arch/arm/mach-omap2/powerdomains24xx.h b/arch/arm/mach-omap2/powerdomains24xx.h new file mode 100644 index 000000000000..9f08dc3f7fd2 --- /dev/null +++ b/arch/arm/mach-omap2/powerdomains24xx.h @@ -0,0 +1,200 @@ +/* + * OMAP24XX powerdomain definitions + * + * Copyright (C) 2007-2008 Texas Instruments, Inc. + * Copyright (C) 2007-2008 Nokia Corporation + * + * Written by Paul Walmsley + * Debugging and integration fixes by Jouni Högander + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef ARCH_ARM_MACH_OMAP2_POWERDOMAINS24XX +#define ARCH_ARM_MACH_OMAP2_POWERDOMAINS24XX + +/* + * N.B. If powerdomains are added or removed from this file, update + * the array in mach-omap2/powerdomains.h. + */ + +#include + +#include "prcm-common.h" +#include "prm.h" +#include "prm-regbits-24xx.h" +#include "cm.h" +#include "cm-regbits-24xx.h" + +/* 24XX powerdomains and dependencies */ + +#ifdef CONFIG_ARCH_OMAP24XX + + +/* Wakeup dependency source arrays */ + +/* + * 2420/2430 PM_WKDEP_DSP: CORE, MPU, WKUP + * 2430 PM_WKDEP_MDM: same as above + */ +static struct pwrdm_dep dsp_mdm_24xx_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { NULL }, +}; + +/* + * 2420 PM_WKDEP_MPU: CORE, DSP, WKUP + * 2430 adds MDM + */ +static struct pwrdm_dep mpu_24xx_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "dsp_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "mdm_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430) + }, + { NULL }, +}; + +/* + * 2420 PM_WKDEP_CORE: DSP, GFX, MPU, WKUP + * 2430 adds MDM + */ +static struct pwrdm_dep core_24xx_wkdeps[] = { + { + .pwrdm_name = "dsp_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "gfx_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX) + }, + { + .pwrdm_name = "mdm_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430) + }, + { NULL }, +}; + + +/* Powerdomains */ + +static struct powerdomain dsp_pwrdm = { + .name = "dsp_pwrdm", + .prcm_offs = OMAP24XX_DSP_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), + .dep_bit = OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT, + .wkdep_srcs = dsp_mdm_24xx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, + }, +}; + +static struct powerdomain mpu_24xx_pwrdm = { + .name = "mpu_pwrdm", + .prcm_offs = MPU_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), + .dep_bit = OMAP24XX_EN_MPU_SHIFT, + .wkdep_srcs = mpu_24xx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, + }, +}; + +static struct powerdomain core_24xx_pwrdm = { + .name = "core_pwrdm", + .prcm_offs = CORE_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), + .wkdep_srcs = core_24xx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .dep_bit = OMAP24XX_EN_CORE_SHIFT, + .banks = 3, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ + [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ + [2] = PWRSTS_OFF_RET, /* MEM3RETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ + [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ + [2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */ + }, +}; + +#endif /* CONFIG_ARCH_OMAP24XX */ + + + +/* + * 2430-specific powerdomains + */ + +#ifdef CONFIG_ARCH_OMAP2430 + +/* XXX 2430 KILLDOMAINWKUP bit? No current users apparently */ + +/* Another case of bit name collisions between several registers: EN_MDM */ +static struct powerdomain mdm_pwrdm = { + .name = "mdm_pwrdm", + .prcm_offs = OMAP2430_MDM_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), + .dep_bit = OMAP2430_PM_WKDEP_MPU_EN_MDM_SHIFT, + .wkdep_srcs = dsp_mdm_24xx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +#endif /* CONFIG_ARCH_OMAP2430 */ + + +#endif diff --git a/arch/arm/mach-omap2/prm-regbits-24xx.h b/arch/arm/mach-omap2/prm-regbits-24xx.h index c6d17a3378ec..4002051c20b9 100644 --- a/arch/arm/mach-omap2/prm-regbits-24xx.h +++ b/arch/arm/mach-omap2/prm-regbits-24xx.h @@ -29,8 +29,10 @@ #define OMAP24XX_WKUP1_EN (1 << 0) /* PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_DSP, PM_WKDEP_MDM shared bits */ -#define OMAP24XX_EN_MPU (1 << 1) -#define OMAP24XX_EN_CORE (1 << 0) +#define OMAP24XX_EN_MPU_SHIFT 1 +#define OMAP24XX_EN_MPU_MASK (1 << 1) +#define OMAP24XX_EN_CORE_SHIFT 0 +#define OMAP24XX_EN_CORE_MASK (1 << 0) /* * PM_PWSTCTRL_MPU, PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSP, PM_PWSTCTRL_MDM @@ -140,8 +142,10 @@ /* 2430 calls GLOBALWMPU_RST "GLOBALWARM_RST" instead */ /* PM_WKDEP_MPU specific bits */ -#define OMAP2430_PM_WKDEP_MPU_EN_MDM (1 << 5) -#define OMAP24XX_PM_WKDEP_MPU_EN_DSP (1 << 2) +#define OMAP2430_PM_WKDEP_MPU_EN_MDM_SHIFT 5 +#define OMAP2430_PM_WKDEP_MPU_EN_MDM_MASK (1 << 5) +#define OMAP24XX_PM_WKDEP_MPU_EN_DSP_SHIFT 2 +#define OMAP24XX_PM_WKDEP_MPU_EN_DSP_MASK (1 << 2) /* PM_EVGENCTRL_MPU specific bits */ -- GitLab From ecb24aa129c6d4b2152571f856320aa7dea41676 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:43 +0300 Subject: [PATCH 0440/6244] ARM: OMAP: Powerdomain: Add OMAP3 powerdomains Add OMAP3-specific powerdomains. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/powerdomains.h | 30 ++- arch/arm/mach-omap2/powerdomains34xx.h | 327 +++++++++++++++++++++++++ arch/arm/mach-omap2/prcm-common.h | 3 +- arch/arm/mach-omap2/prm-regbits-34xx.h | 11 +- 4 files changed, 364 insertions(+), 7 deletions(-) create mode 100644 arch/arm/mach-omap2/powerdomains34xx.h diff --git a/arch/arm/mach-omap2/powerdomains.h b/arch/arm/mach-omap2/powerdomains.h index 325e2ba04067..1e151faebbd3 100644 --- a/arch/arm/mach-omap2/powerdomains.h +++ b/arch/arm/mach-omap2/powerdomains.h @@ -98,16 +98,28 @@ static struct pwrdm_dep gfx_sgx_wkdeps[] = { { NULL }, }; +/* + * 3430: CM_SLEEPDEP_CAM: MPU + * 3430ES1: CM_SLEEPDEP_GFX: MPU + * 3430ES2: CM_SLEEPDEP_SGX: MPU + */ +static struct pwrdm_dep cam_gfx_sleepdeps[] = { + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + #include "powerdomains24xx.h" +#include "powerdomains34xx.h" /* * OMAP2/3 common powerdomains */ -/* XXX add sleepdeps for this powerdomain : 3430 */ - /* * The GFX powerdomain is not present on 3430ES2, but currently we do not * have a macro to filter it out at compile-time. @@ -118,6 +130,7 @@ static struct powerdomain gfx_pwrdm = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430ES1), .wkdep_srcs = gfx_sgx_wkdeps, + .sleepdep_srcs = cam_gfx_sleepdeps, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRDM_POWER_RET, .banks = 1, @@ -154,6 +167,19 @@ static struct powerdomain *powerdomains_omap[] __initdata = { &mdm_pwrdm, #endif +#ifdef CONFIG_ARCH_OMAP34XX + &iva2_pwrdm, + &mpu_34xx_pwrdm, + &neon_pwrdm, + &core_34xx_pwrdm, + &cam_pwrdm, + &dss_pwrdm, + &per_pwrdm, + &emu_pwrdm, + &sgx_pwrdm, + &usbhost_pwrdm, +#endif + NULL }; diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h new file mode 100644 index 000000000000..f573f7108398 --- /dev/null +++ b/arch/arm/mach-omap2/powerdomains34xx.h @@ -0,0 +1,327 @@ +/* + * OMAP34XX powerdomain definitions + * + * Copyright (C) 2007-2008 Texas Instruments, Inc. + * Copyright (C) 2007-2008 Nokia Corporation + * + * Written by Paul Walmsley + * Debugging and integration fixes by Jouni Högander + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef ARCH_ARM_MACH_OMAP2_POWERDOMAINS34XX +#define ARCH_ARM_MACH_OMAP2_POWERDOMAINS34XX + +/* + * N.B. If powerdomains are added or removed from this file, update + * the array in mach-omap2/powerdomains.h. + */ + +#include + +#include "prcm-common.h" +#include "prm.h" +#include "prm-regbits-34xx.h" +#include "cm.h" +#include "cm-regbits-34xx.h" + +/* + * 34XX-specific powerdomains, dependencies + */ + +#ifdef CONFIG_ARCH_OMAP34XX + +/* + * 3430: PM_WKDEP_{PER,USBHOST}: CORE, IVA2, MPU, WKUP + * (USBHOST is ES2 only) + */ +static struct pwrdm_dep per_usbhost_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + +/* + * 3430 PM_WKDEP_MPU: CORE, IVA2, DSS, PER + */ +static struct pwrdm_dep mpu_34xx_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "dss_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "per_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + +/* + * 3430 PM_WKDEP_IVA2: CORE, MPU, WKUP, DSS, PER + */ +static struct pwrdm_dep iva2_wkdeps[] = { + { + .pwrdm_name = "core_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "dss_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "per_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + + +/* 3430 PM_WKDEP_{CAM,DSS}: IVA2, MPU, WKUP */ +static struct pwrdm_dep cam_dss_wkdeps[] = { + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + +/* 3430: PM_WKDEP_NEON: MPU */ +static struct pwrdm_dep neon_wkdeps[] = { + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + + +/* Sleep dependency source arrays for 34xx-specific pwrdms - 34XX only */ + +/* + * 3430: CM_SLEEPDEP_{DSS,PER}: MPU, IVA + * 3430ES2: CM_SLEEPDEP_USBHOST: MPU, IVA + */ +static struct pwrdm_dep dss_per_usbhost_sleepdeps[] = { + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL }, +}; + + +/* + * Powerdomains + */ + +static struct powerdomain iva2_pwrdm = { + .name = "iva2_pwrdm", + .prcm_offs = OMAP3430_IVA2_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .dep_bit = OMAP3430_PM_WKDEP_MPU_EN_IVA2_SHIFT, + .wkdep_srcs = iva2_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 4, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, + [1] = PWRSTS_OFF_RET, + [2] = PWRSTS_OFF_RET, + [3] = PWRSTS_OFF_RET, + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, + [1] = PWRDM_POWER_ON, + [2] = PWRSTS_OFF_ON, + [3] = PWRDM_POWER_ON, + }, +}; + +static struct powerdomain mpu_34xx_pwrdm = { + .name = "mpu_pwrdm", + .prcm_offs = MPU_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .dep_bit = OMAP3430_EN_MPU_SHIFT, + .wkdep_srcs = mpu_34xx_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, + }, + .pwrsts_mem_on = { + [0] = PWRSTS_OFF_ON, + }, +}; + +/* No wkdeps or sleepdeps for 34xx core apparently */ +static struct powerdomain core_34xx_pwrdm = { + .name = "core_pwrdm", + .prcm_offs = CORE_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .pwrsts = PWRSTS_OFF_RET_ON, + .dep_bit = OMAP3430_EN_CORE_SHIFT, + .banks = 2, + .pwrsts_mem_ret = { + [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ + [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ + [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ + }, +}; + +/* Another case of bit name collisions between several registers: EN_DSS */ +static struct powerdomain dss_pwrdm = { + .name = "dss_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .prcm_offs = OMAP3430_DSS_MOD, + .dep_bit = OMAP3430_PM_WKDEP_MPU_EN_DSS_SHIFT, + .wkdep_srcs = cam_dss_wkdeps, + .sleepdep_srcs = dss_per_usbhost_sleepdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +static struct powerdomain sgx_pwrdm = { + .name = "sgx_pwrdm", + .prcm_offs = OMAP3430ES2_SGX_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2), + .wkdep_srcs = gfx_sgx_wkdeps, + .sleepdep_srcs = cam_gfx_sleepdeps, + /* XXX This is accurate for 3430 SGX, but what about GFX? */ + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +static struct powerdomain cam_pwrdm = { + .name = "cam_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .prcm_offs = OMAP3430_CAM_MOD, + .wkdep_srcs = cam_dss_wkdeps, + .sleepdep_srcs = cam_gfx_sleepdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +static struct powerdomain per_pwrdm = { + .name = "per_pwrdm", + .prcm_offs = OMAP3430_PER_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .dep_bit = OMAP3430_EN_PER_SHIFT, + .wkdep_srcs = per_usbhost_wkdeps, + .sleepdep_srcs = dss_per_usbhost_sleepdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_OFF_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +static struct powerdomain emu_pwrdm = { + .name = "emu_pwrdm", + .prcm_offs = OMAP3430_EMU_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct powerdomain neon_pwrdm = { + .name = "neon_pwrdm", + .prcm_offs = OMAP3430_NEON_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), + .wkdep_srcs = neon_wkdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, +}; + +static struct powerdomain usbhost_pwrdm = { + .name = "usbhost_pwrdm", + .prcm_offs = OMAP3430ES2_USBHOST_MOD, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2), + .wkdep_srcs = per_usbhost_wkdeps, + .sleepdep_srcs = dss_per_usbhost_sleepdeps, + .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRDM_POWER_RET, + .banks = 1, + .pwrsts_mem_ret = { + [0] = PWRDM_POWER_RET, /* MEMRETSTATE */ + }, + .pwrsts_mem_on = { + [0] = PWRDM_POWER_ON, /* MEMONSTATE */ + }, +}; + +#endif /* CONFIG_ARCH_OMAP34XX */ + + +#endif diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h index 54c32f482131..4a32822ff3fc 100644 --- a/arch/arm/mach-omap2/prcm-common.h +++ b/arch/arm/mach-omap2/prcm-common.h @@ -312,7 +312,8 @@ #define OMAP3430_ST_GPT2 (1 << 3) /* CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_MPU, PM_WKDEP_PER shared bits */ -#define OMAP3430_EN_CORE (1 << 0) +#define OMAP3430_EN_CORE_SHIFT 0 +#define OMAP3430_EN_CORE_MASK (1 << 0) #endif diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h index b4686bc345ca..5b5ecfe6c999 100644 --- a/arch/arm/mach-omap2/prm-regbits-34xx.h +++ b/arch/arm/mach-omap2/prm-regbits-34xx.h @@ -68,7 +68,8 @@ #define OMAP3430_VPINIDLE (1 << 0) /* PM_WKDEP_IVA2, PM_WKDEP_MPU shared bits */ -#define OMAP3430_EN_PER (1 << 7) +#define OMAP3430_EN_PER_SHIFT 7 +#define OMAP3430_EN_PER_MASK (1 << 7) /* PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE shared bits */ #define OMAP3430_MEMORYCHANGE (1 << 3) @@ -77,7 +78,7 @@ #define OMAP3430_LOGICSTATEST (1 << 2) /* PM_PREPWSTST_IVA2, PM_PREPWSTST_CORE shared bits */ -#define OMAP3430_LASTLOGICSTATEENTERED (1 << 2) +#define OMAP3430_LASTLOGICSTATEENTERED (1 << 2) /* * PM_PREPWSTST_IVA2, PM_PREPWSTST_MPU, PM_PREPWSTST_CORE, @@ -278,8 +279,10 @@ #define OMAP3430_EMULATION_MPU_RST (1 << 11) /* PM_WKDEP_MPU specific bits */ -#define OMAP3430_PM_WKDEP_MPU_EN_DSS (1 << 5) -#define OMAP3430_PM_WKDEP_MPU_EN_IVA2 (1 << 2) +#define OMAP3430_PM_WKDEP_MPU_EN_DSS_SHIFT 5 +#define OMAP3430_PM_WKDEP_MPU_EN_DSS_MASK (1 << 5) +#define OMAP3430_PM_WKDEP_MPU_EN_IVA2_SHIFT 2 +#define OMAP3430_PM_WKDEP_MPU_EN_IVA2_MASK (1 << 2) /* PM_EVGENCTRL_MPU */ #define OMAP3430_OFFLOADMODE_SHIFT 3 -- GitLab From d459bfe01f523983a822de8c2d3fe0bd2f2c194e Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:43 +0300 Subject: [PATCH 0441/6244] ARM: OMAP2: Clockdomain: Add base OMAP2/3 clockdomain code This patch creates an interface to the clockdomain registers in the PRM/CM modules on OMAP2/3. This interface is intended to be used by PM code, e.g., pm.c; not by device drivers directly. The patch also adds clockdomain usecount tracking. This is intended to be called whenever the first clock in a clockdomain is enabled, or when the last enabled clock in a clockdomain is disabled. If the clockdomain is in software-supervised mode, the code will force-wakeup or force-sleep the clockdomain. If the clockdomain is in hardware-supervised mode, the first clock enable will add sleep and wakeup dependencies on a user-selectable set of parent domains (usually MPU & IVA2), and the disable will remove them. Each clockdomain will be defined in later patches as static structures. The clockdomain structures are linked into a list at boot by clkdm_register(), similar to the OMAP clock code. The patch adds a Kconfig option, CONFIG_OMAP_DEBUG_CLOCKDOMAIN, which when enabled will emit verbose debug messages via pr_debug(). Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Makefile | 3 +- arch/arm/mach-omap2/clockdomain.c | 603 ++++++++++++++++++ arch/arm/plat-omap/Kconfig | 12 + arch/arm/plat-omap/include/mach/clockdomain.h | 106 +++ 4 files changed, 723 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-omap2/clockdomain.c create mode 100644 arch/arm/plat-omap/include/mach/clockdomain.h diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 1001d42048e9..e7cf1b4357ce 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -4,7 +4,8 @@ # Common support obj-y := irq.o id.o io.o memory.o control.o prcm.o clock.o mux.o \ - devices.o serial.o gpmc.o timer-gp.o powerdomain.o + devices.o serial.o gpmc.o timer-gp.o powerdomain.o \ + clockdomain.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c new file mode 100644 index 000000000000..f867d8f1d0e9 --- /dev/null +++ b/arch/arm/mach-omap2/clockdomain.c @@ -0,0 +1,603 @@ +/* + * OMAP2/3 clockdomain framework functions + * + * Copyright (C) 2008 Texas Instruments, Inc. + * Copyright (C) 2008 Nokia Corporation + * + * Written by Paul Walmsley and Jouni Högander + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifdef CONFIG_OMAP_DEBUG_CLOCKDOMAIN +# define DEBUG +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include + +#include + +#include "prm.h" +#include "prm-regbits-24xx.h" +#include "cm.h" + +#include +#include + +/* clkdm_list contains all registered struct clockdomains */ +static LIST_HEAD(clkdm_list); + +/* clkdm_mutex protects clkdm_list add and del ops */ +static DEFINE_MUTEX(clkdm_mutex); + +/* array of powerdomain deps to be added/removed when clkdm in hwsup mode */ +static struct clkdm_pwrdm_autodep *autodeps; + + +/* Private functions */ + +/* + * _autodep_lookup - resolve autodep pwrdm names to pwrdm pointers; store + * @autodep: struct clkdm_pwrdm_autodep * to resolve + * + * Resolve autodep powerdomain names to powerdomain pointers via + * pwrdm_lookup() and store the pointers in the autodep structure. An + * "autodep" is a powerdomain sleep/wakeup dependency that is + * automatically added and removed whenever clocks in the associated + * clockdomain are enabled or disabled (respectively) when the + * clockdomain is in hardware-supervised mode. Meant to be called + * once at clockdomain layer initialization, since these should remain + * fixed for a particular architecture. No return value. + */ +static void _autodep_lookup(struct clkdm_pwrdm_autodep *autodep) +{ + struct powerdomain *pwrdm; + + if (!autodep) + return; + + if (!omap_chip_is(autodep->omap_chip)) + return; + + pwrdm = pwrdm_lookup(autodep->pwrdm_name); + if (!pwrdm) { + pr_debug("clockdomain: _autodep_lookup: powerdomain %s " + "does not exist\n", autodep->pwrdm_name); + WARN_ON(1); + return; + } + autodep->pwrdm = pwrdm; + + return; +} + +/* + * _clkdm_add_autodeps - add auto sleepdeps/wkdeps to clkdm upon clock enable + * @clkdm: struct clockdomain * + * + * Add the "autodep" sleep & wakeup dependencies to clockdomain 'clkdm' + * in hardware-supervised mode. Meant to be called from clock framework + * when a clock inside clockdomain 'clkdm' is enabled. No return value. + */ +static void _clkdm_add_autodeps(struct clockdomain *clkdm) +{ + struct clkdm_pwrdm_autodep *autodep; + + for (autodep = autodeps; autodep->pwrdm_name; autodep++) { + if (!autodep->pwrdm) + continue; + + pr_debug("clockdomain: adding %s sleepdep/wkdep for " + "pwrdm %s\n", autodep->pwrdm_name, + clkdm->pwrdm->name); + + pwrdm_add_sleepdep(clkdm->pwrdm, autodep->pwrdm); + pwrdm_add_wkdep(clkdm->pwrdm, autodep->pwrdm); + } +} + +/* + * _clkdm_add_autodeps - remove auto sleepdeps/wkdeps from clkdm + * @clkdm: struct clockdomain * + * + * Remove the "autodep" sleep & wakeup dependencies from clockdomain 'clkdm' + * in hardware-supervised mode. Meant to be called from clock framework + * when a clock inside clockdomain 'clkdm' is disabled. No return value. + */ +static void _clkdm_del_autodeps(struct clockdomain *clkdm) +{ + struct clkdm_pwrdm_autodep *autodep; + + for (autodep = autodeps; autodep->pwrdm_name; autodep++) { + if (!autodep->pwrdm) + continue; + + pr_debug("clockdomain: removing %s sleepdep/wkdep for " + "pwrdm %s\n", autodep->pwrdm_name, + clkdm->pwrdm->name); + + pwrdm_del_sleepdep(clkdm->pwrdm, autodep->pwrdm); + pwrdm_del_wkdep(clkdm->pwrdm, autodep->pwrdm); + } +} + + +static struct clockdomain *_clkdm_lookup(const char *name) +{ + struct clockdomain *clkdm, *temp_clkdm; + + if (!name) + return NULL; + + clkdm = NULL; + + list_for_each_entry(temp_clkdm, &clkdm_list, node) { + if (!strcmp(name, temp_clkdm->name)) { + clkdm = temp_clkdm; + break; + } + } + + return clkdm; +} + + +/* Public functions */ + +/** + * clkdm_init - set up the clockdomain layer + * @clkdms: optional pointer to an array of clockdomains to register + * @init_autodeps: optional pointer to an array of autodeps to register + * + * Set up internal state. If a pointer to an array of clockdomains + * was supplied, loop through the list of clockdomains, register all + * that are available on the current platform. Similarly, if a + * pointer to an array of clockdomain-powerdomain autodependencies was + * provided, register those. No return value. + */ +void clkdm_init(struct clockdomain **clkdms, + struct clkdm_pwrdm_autodep *init_autodeps) +{ + struct clockdomain **c = NULL; + struct clkdm_pwrdm_autodep *autodep = NULL; + + if (clkdms) + for (c = clkdms; *c; c++) + clkdm_register(*c); + + autodeps = init_autodeps; + if (autodeps) + for (autodep = autodeps; autodep->pwrdm_name; autodep++) + _autodep_lookup(autodep); +} + +/** + * clkdm_register - register a clockdomain + * @clkdm: struct clockdomain * to register + * + * Adds a clockdomain to the internal clockdomain list. + * Returns -EINVAL if given a null pointer, -EEXIST if a clockdomain is + * already registered by the provided name, or 0 upon success. + */ +int clkdm_register(struct clockdomain *clkdm) +{ + int ret = -EINVAL; + struct powerdomain *pwrdm; + + if (!clkdm || !clkdm->name) + return -EINVAL; + + if (!omap_chip_is(clkdm->omap_chip)) + return -EINVAL; + + pwrdm = pwrdm_lookup(clkdm->pwrdm_name); + if (!pwrdm) { + pr_debug("clockdomain: clkdm_register %s: powerdomain %s " + "does not exist\n", clkdm->name, clkdm->pwrdm_name); + return -EINVAL; + } + clkdm->pwrdm = pwrdm; + + mutex_lock(&clkdm_mutex); + /* Verify that the clockdomain is not already registered */ + if (_clkdm_lookup(clkdm->name)) { + ret = -EEXIST; + goto cr_unlock; + }; + + list_add(&clkdm->node, &clkdm_list); + + pr_debug("clockdomain: registered %s\n", clkdm->name); + ret = 0; + +cr_unlock: + mutex_unlock(&clkdm_mutex); + + return ret; +} + +/** + * clkdm_unregister - unregister a clockdomain + * @clkdm: struct clockdomain * to unregister + * + * Removes a clockdomain from the internal clockdomain list. Returns + * -EINVAL if clkdm argument is NULL. + */ +int clkdm_unregister(struct clockdomain *clkdm) +{ + if (!clkdm) + return -EINVAL; + + mutex_lock(&clkdm_mutex); + list_del(&clkdm->node); + mutex_unlock(&clkdm_mutex); + + pr_debug("clockdomain: unregistered %s\n", clkdm->name); + + return 0; +} + +/** + * clkdm_lookup - look up a clockdomain by name, return a pointer + * @name: name of clockdomain + * + * Find a registered clockdomain by its name. Returns a pointer to the + * struct clockdomain if found, or NULL otherwise. + */ +struct clockdomain *clkdm_lookup(const char *name) +{ + struct clockdomain *clkdm, *temp_clkdm; + + if (!name) + return NULL; + + clkdm = NULL; + + mutex_lock(&clkdm_mutex); + list_for_each_entry(temp_clkdm, &clkdm_list, node) { + if (!strcmp(name, temp_clkdm->name)) { + clkdm = temp_clkdm; + break; + } + } + mutex_unlock(&clkdm_mutex); + + return clkdm; +} + +/** + * clkdm_for_each - call function on each registered clockdomain + * @fn: callback function * + * + * Call the supplied function for each registered clockdomain. + * The callback function can return anything but 0 to bail + * out early from the iterator. The callback function is called with + * the clkdm_mutex held, so no clockdomain structure manipulation + * functions should be called from the callback, although hardware + * clockdomain control functions are fine. Returns the last return + * value of the callback function, which should be 0 for success or + * anything else to indicate failure; or -EINVAL if the function pointer + * is null. + */ +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)) +{ + struct clockdomain *clkdm; + int ret = 0; + + if (!fn) + return -EINVAL; + + mutex_lock(&clkdm_mutex); + list_for_each_entry(clkdm, &clkdm_list, node) { + ret = (*fn)(clkdm); + if (ret) + break; + } + mutex_unlock(&clkdm_mutex); + + return ret; +} + + +/* Hardware clockdomain control */ + +/** + * omap2_clkdm_clktrctrl_read - read the clkdm's current state transition mode + * @clk: struct clk * of a clockdomain + * + * Return the clockdomain's current state transition mode from the + * corresponding domain CM_CLKSTCTRL register. Returns -EINVAL if clk + * is NULL or the current mode upon success. + */ +static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm) +{ + u32 v; + + if (!clkdm) + return -EINVAL; + + v = cm_read_mod_reg(clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + v &= clkdm->clktrctrl_mask; + v >>= __ffs(clkdm->clktrctrl_mask); + + return v; +} + +/** + * omap2_clkdm_sleep - force clockdomain sleep transition + * @clkdm: struct clockdomain * + * + * Instruct the CM to force a sleep transition on the specified + * clockdomain 'clkdm'. Returns -EINVAL if clk is NULL or if + * clockdomain does not support software-initiated sleep; 0 upon + * success. + */ +int omap2_clkdm_sleep(struct clockdomain *clkdm) +{ + if (!clkdm) + return -EINVAL; + + if (!(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) { + pr_debug("clockdomain: %s does not support forcing " + "sleep via software\n", clkdm->name); + return -EINVAL; + } + + pr_debug("clockdomain: forcing sleep on %s\n", clkdm->name); + + if (cpu_is_omap24xx()) { + + cm_set_mod_reg_bits(OMAP24XX_FORCESTATE, + clkdm->pwrdm->prcm_offs, PM_PWSTCTRL); + + } else if (cpu_is_omap34xx()) { + + u32 v = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP << + __ffs(clkdm->clktrctrl_mask)); + + cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v, + clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + + } else { + BUG(); + }; + + return 0; +} + +/** + * omap2_clkdm_wakeup - force clockdomain wakeup transition + * @clkdm: struct clockdomain * + * + * Instruct the CM to force a wakeup transition on the specified + * clockdomain 'clkdm'. Returns -EINVAL if clkdm is NULL or if the + * clockdomain does not support software-controlled wakeup; 0 upon + * success. + */ +int omap2_clkdm_wakeup(struct clockdomain *clkdm) +{ + if (!clkdm) + return -EINVAL; + + if (!(clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) { + pr_debug("clockdomain: %s does not support forcing " + "wakeup via software\n", clkdm->name); + return -EINVAL; + } + + pr_debug("clockdomain: forcing wakeup on %s\n", clkdm->name); + + if (cpu_is_omap24xx()) { + + cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE, + clkdm->pwrdm->prcm_offs, PM_PWSTCTRL); + + } else if (cpu_is_omap34xx()) { + + u32 v = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP << + __ffs(clkdm->clktrctrl_mask)); + + cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v, + clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + + } else { + BUG(); + }; + + return 0; +} + +/** + * omap2_clkdm_allow_idle - enable hwsup idle transitions for clkdm + * @clkdm: struct clockdomain * + * + * Allow the hardware to automatically switch the clockdomain into + * active or idle states, as needed by downstream clocks. If the + * clockdomain has any downstream clocks enabled in the clock + * framework, wkdep/sleepdep autodependencies are added; this is so + * device drivers can read and write to the device. No return value. + */ +void omap2_clkdm_allow_idle(struct clockdomain *clkdm) +{ + u32 v; + + if (!clkdm) + return; + + if (!(clkdm->flags & CLKDM_CAN_ENABLE_AUTO)) { + pr_debug("clock: automatic idle transitions cannot be enabled " + "on clockdomain %s\n", clkdm->name); + return; + } + + pr_debug("clockdomain: enabling automatic idle transitions for %s\n", + clkdm->name); + + if (atomic_read(&clkdm->usecount) > 0) + _clkdm_add_autodeps(clkdm); + + if (cpu_is_omap24xx()) + v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO; + else if (cpu_is_omap34xx()) + v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO; + else + BUG(); + + + cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, + v << __ffs(clkdm->clktrctrl_mask), + clkdm->pwrdm->prcm_offs, + CM_CLKSTCTRL); +} + +/** + * omap2_clkdm_deny_idle - disable hwsup idle transitions for clkdm + * @clkdm: struct clockdomain * + * + * Prevent the hardware from automatically switching the clockdomain + * into inactive or idle states. If the clockdomain has downstream + * clocks enabled in the clock framework, wkdep/sleepdep + * autodependencies are removed. No return value. + */ +void omap2_clkdm_deny_idle(struct clockdomain *clkdm) +{ + u32 v; + + if (!clkdm) + return; + + if (!(clkdm->flags & CLKDM_CAN_DISABLE_AUTO)) { + pr_debug("clockdomain: automatic idle transitions cannot be " + "disabled on %s\n", clkdm->name); + return; + } + + pr_debug("clockdomain: disabling automatic idle transitions for %s\n", + clkdm->name); + + if (cpu_is_omap24xx()) + v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO; + else if (cpu_is_omap34xx()) + v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO; + else + BUG(); + + cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, + v << __ffs(clkdm->clktrctrl_mask), + clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL); + + if (atomic_read(&clkdm->usecount) > 0) + _clkdm_del_autodeps(clkdm); +} + + +/* Clockdomain-to-clock framework interface code */ + +/** + * omap2_clkdm_clk_enable - add an enabled downstream clock to this clkdm + * @clkdm: struct clockdomain * + * @clk: struct clk * of the enabled downstream clock + * + * Increment the usecount of this clockdomain 'clkdm' and ensure that + * it is awake. Intended to be called by clk_enable() code. If the + * clockdomain is in software-supervised idle mode, force the + * clockdomain to wake. If the clockdomain is in hardware-supervised + * idle mode, add clkdm-pwrdm autodependencies, to ensure that devices + * in the clockdomain can be read from/written to by on-chip processors. + * Returns -EINVAL if passed null pointers; returns 0 upon success or + * if the clockdomain is in hwsup idle mode. + */ +int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) +{ + int v; + + /* + * XXX Rewrite this code to maintain a list of enabled + * downstream clocks for debugging purposes? + */ + + if (!clkdm || !clk) + return -EINVAL; + + if (atomic_inc_return(&clkdm->usecount) > 1) + return 0; + + /* Clockdomain now has one enabled downstream clock */ + + pr_debug("clockdomain: clkdm %s: clk %s now enabled\n", clkdm->name, + clk->name); + + v = omap2_clkdm_clktrctrl_read(clkdm); + + if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || + (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) + _clkdm_add_autodeps(clkdm); + else + omap2_clkdm_wakeup(clkdm); + + return 0; +} + +/** + * omap2_clkdm_clk_disable - remove an enabled downstream clock from this clkdm + * @clkdm: struct clockdomain * + * @clk: struct clk * of the disabled downstream clock + * + * Decrement the usecount of this clockdomain 'clkdm'. Intended to be + * called by clk_disable() code. If the usecount goes to 0, put the + * clockdomain to sleep (software-supervised mode) or remove the + * clkdm-pwrdm autodependencies (hardware-supervised mode). Returns + * -EINVAL if passed null pointers; -ERANGE if the clkdm usecount + * underflows and debugging is enabled; or returns 0 upon success or + * if the clockdomain is in hwsup idle mode. + */ +int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) +{ + int v; + + /* + * XXX Rewrite this code to maintain a list of enabled + * downstream clocks for debugging purposes? + */ + + if (!clkdm || !clk) + return -EINVAL; + +#ifdef DEBUG + if (atomic_read(&clkdm->usecount) == 0) { + WARN_ON(1); /* underflow */ + return -ERANGE; + } +#endif + + if (atomic_dec_return(&clkdm->usecount) > 0) + return 0; + + /* All downstream clocks of this clockdomain are now disabled */ + + pr_debug("clockdomain: clkdm %s: clk %s now disabled\n", clkdm->name, + clk->name); + + v = omap2_clkdm_clktrctrl_read(clkdm); + + if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || + (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) + _clkdm_del_autodeps(clkdm); + else + omap2_clkdm_sleep(clkdm); + + return 0; +} + diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index e815fa35f7f4..ef62bf21e179 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -41,6 +41,18 @@ config OMAP_DEBUG_POWERDOMAIN for every powerdomain register write. However, the extra detail costs some memory. +config OMAP_DEBUG_CLOCKDOMAIN + bool "Emit debug messages from clockdomain layer" + depends on ARCH_OMAP2 || ARCH_OMAP3 + default n + help + Say Y here if you want to compile in clockdomain layer + debugging messages for OMAP2/3. These messages can + provide more detail as to why some clockdomain calls + may be failing, and will also emit a descriptive message + for every clockdomain register write. However, the + extra detail costs some memory. + config OMAP_RESET_CLOCKS bool "Reset unused clocks during boot" depends on ARCH_OMAP diff --git a/arch/arm/plat-omap/include/mach/clockdomain.h b/arch/arm/plat-omap/include/mach/clockdomain.h new file mode 100644 index 000000000000..1f51f0173784 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/clockdomain.h @@ -0,0 +1,106 @@ +/* + * linux/include/asm-arm/arch-omap/clockdomain.h + * + * OMAP2/3 clockdomain framework functions + * + * Copyright (C) 2008 Texas Instruments, Inc. + * Copyright (C) 2008 Nokia Corporation + * + * Written by Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H +#define __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H + +#include +#include +#include + +/* Clockdomain capability flags */ +#define CLKDM_CAN_FORCE_SLEEP (1 << 0) +#define CLKDM_CAN_FORCE_WAKEUP (1 << 1) +#define CLKDM_CAN_ENABLE_AUTO (1 << 2) +#define CLKDM_CAN_DISABLE_AUTO (1 << 3) + +#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO) +#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP) +#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP) + +/* OMAP24XX CM_CLKSTCTRL_*.AUTOSTATE_* register bit values */ +#define OMAP24XX_CLKSTCTRL_DISABLE_AUTO 0x0 +#define OMAP24XX_CLKSTCTRL_ENABLE_AUTO 0x1 + +/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */ +#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO 0x0 +#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP 0x1 +#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP 0x2 +#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO 0x3 + +/* + * struct clkdm_pwrdm_autodep - a powerdomain that should have wkdeps + * and sleepdeps added when a powerdomain should stay active in hwsup mode; + * and conversely, removed when the powerdomain should be allowed to go + * inactive in hwsup mode. + */ +struct clkdm_pwrdm_autodep { + + /* Name of the powerdomain to add a wkdep/sleepdep on */ + const char *pwrdm_name; + + /* Powerdomain pointer (looked up at clkdm_init() time) */ + struct powerdomain *pwrdm; + + /* OMAP chip types that this clockdomain dep is valid on */ + const struct omap_chip_id omap_chip; + +}; + +struct clockdomain { + + /* Clockdomain name */ + const char *name; + + /* Powerdomain enclosing this clockdomain */ + const char *pwrdm_name; + + /* CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg */ + const u16 clktrctrl_mask; + + /* Clockdomain capability flags */ + const u8 flags; + + /* OMAP chip types that this clockdomain is valid on */ + const struct omap_chip_id omap_chip; + + /* Usecount tracking */ + atomic_t usecount; + + /* Powerdomain pointer assigned at clkdm_register() */ + struct powerdomain *pwrdm; + + struct list_head node; + +}; + +void clkdm_init(struct clockdomain **clkdms, struct clkdm_pwrdm_autodep *autodeps); +int clkdm_register(struct clockdomain *clkdm); +int clkdm_unregister(struct clockdomain *clkdm); +struct clockdomain *clkdm_lookup(const char *name); + +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)); +struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm); + +void omap2_clkdm_allow_idle(struct clockdomain *clkdm); +void omap2_clkdm_deny_idle(struct clockdomain *clkdm); + +int omap2_clkdm_wakeup(struct clockdomain *clkdm); +int omap2_clkdm_sleep(struct clockdomain *clkdm); + +int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk); +int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk); + +#endif -- GitLab From 8420bb13630032097be911a039cb64b5f62c01da Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:44 +0300 Subject: [PATCH 0442/6244] ARM: OMAP2: Clockdomain: Connect clockdomain code to powerdomain code Thie patch adds code to the powerdomain layer to track the clockdomains associated with each powerdomain. It also modifies the clockdomain code to register clockdomains with their corresponding powerdomain when the clockdomain is registered. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/clockdomain.c | 4 + arch/arm/mach-omap2/powerdomain.c | 136 ++++++++++++++++++ arch/arm/plat-omap/include/mach/powerdomain.h | 16 +++ 3 files changed, 156 insertions(+) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index f867d8f1d0e9..b6ff5aa4726e 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -219,6 +219,8 @@ int clkdm_register(struct clockdomain *clkdm) list_add(&clkdm->node, &clkdm_list); + pwrdm_add_clkdm(pwrdm, clkdm); + pr_debug("clockdomain: registered %s\n", clkdm->name); ret = 0; @@ -240,6 +242,8 @@ int clkdm_unregister(struct clockdomain *clkdm) if (!clkdm) return -EINVAL; + pwrdm_del_clkdm(clkdm->pwrdm, clkdm); + mutex_lock(&clkdm_mutex); list_del(&clkdm->node); mutex_unlock(&clkdm_mutex); diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 1ec003832ef8..9a803492b28f 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -33,6 +33,7 @@ #include #include +#include /* pwrdm_list contains all registered struct powerdomains */ static LIST_HEAD(pwrdm_list); @@ -236,6 +237,141 @@ int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) return ret; } +/** + * pwrdm_add_clkdm - add a clockdomain to a powerdomain + * @pwrdm: struct powerdomain * to add the clockdomain to + * @clkdm: struct clockdomain * to associate with a powerdomain + * + * Associate the clockdomain 'clkdm' with a powerdomain 'pwrdm'. This + * enables the use of pwrdm_for_each_clkdm(). Returns -EINVAL if + * presented with invalid pointers; -ENOMEM if memory could not be allocated; + * or 0 upon success. + */ +int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm) +{ + unsigned long flags; + int i; + int ret = -EINVAL; + + if (!pwrdm || !clkdm) + return -EINVAL; + + pr_debug("powerdomain: associating clockdomain %s with powerdomain " + "%s\n", clkdm->name, pwrdm->name); + + write_lock_irqsave(&pwrdm_rwlock, flags); + + for (i = 0; i < PWRDM_MAX_CLKDMS; i++) { + if (!pwrdm->pwrdm_clkdms[i]) + break; +#ifdef DEBUG + if (pwrdm->pwrdm_clkdms[i] == clkdm) { + ret = -EINVAL; + goto pac_exit; + } +#endif + } + + if (i == PWRDM_MAX_CLKDMS) { + pr_debug("powerdomain: increase PWRDM_MAX_CLKDMS for " + "pwrdm %s clkdm %s\n", pwrdm->name, clkdm->name); + WARN_ON(1); + ret = -ENOMEM; + goto pac_exit; + } + + pwrdm->pwrdm_clkdms[i] = clkdm; + + ret = 0; + +pac_exit: + write_unlock_irqrestore(&pwrdm_rwlock, flags); + + return ret; +} + +/** + * pwrdm_del_clkdm - remove a clockdomain from a powerdomain + * @pwrdm: struct powerdomain * to add the clockdomain to + * @clkdm: struct clockdomain * to associate with a powerdomain + * + * Dissociate the clockdomain 'clkdm' from the powerdomain + * 'pwrdm'. Returns -EINVAL if presented with invalid pointers; + * -ENOENT if the clkdm was not associated with the powerdomain, or 0 + * upon success. + */ +int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm) +{ + unsigned long flags; + int ret = -EINVAL; + int i; + + if (!pwrdm || !clkdm) + return -EINVAL; + + pr_debug("powerdomain: dissociating clockdomain %s from powerdomain " + "%s\n", clkdm->name, pwrdm->name); + + write_lock_irqsave(&pwrdm_rwlock, flags); + + for (i = 0; i < PWRDM_MAX_CLKDMS; i++) + if (pwrdm->pwrdm_clkdms[i] == clkdm) + break; + + if (i == PWRDM_MAX_CLKDMS) { + pr_debug("powerdomain: clkdm %s not associated with pwrdm " + "%s ?!\n", clkdm->name, pwrdm->name); + ret = -ENOENT; + goto pdc_exit; + } + + pwrdm->pwrdm_clkdms[i] = NULL; + + ret = 0; + +pdc_exit: + write_unlock_irqrestore(&pwrdm_rwlock, flags); + + return ret; +} + +/** + * pwrdm_for_each_clkdm - call function on each clkdm in a pwrdm + * @pwrdm: struct powerdomain * to iterate over + * @fn: callback function * + * + * Call the supplied function for each clockdomain in the powerdomain + * 'pwrdm'. The callback function can return anything but 0 to bail + * out early from the iterator. The callback function is called with + * the pwrdm_rwlock held for reading, so no powerdomain structure + * manipulation functions should be called from the callback, although + * hardware powerdomain control functions are fine. Returns -EINVAL + * if presented with invalid pointers; or passes along the last return + * value of the callback function, which should be 0 for success or + * anything else to indicate failure. + */ +int pwrdm_for_each_clkdm(struct powerdomain *pwrdm, + int (*fn)(struct powerdomain *pwrdm, + struct clockdomain *clkdm)) +{ + unsigned long flags; + int ret = 0; + int i; + + if (!fn) + return -EINVAL; + + read_lock_irqsave(&pwrdm_rwlock, flags); + + for (i = 0; i < PWRDM_MAX_CLKDMS && !ret; i++) + ret = (*fn)(pwrdm, pwrdm->pwrdm_clkdms[i]); + + read_unlock_irqrestore(&pwrdm_rwlock, flags); + + return ret; +} + + /** * pwrdm_add_wkdep - add a wakeup dependency from pwrdm2 to pwrdm1 * @pwrdm1: wake this struct powerdomain * up (dependent) diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h index c8f52c6f8b7e..5fa666fa9be8 100644 --- a/arch/arm/plat-omap/include/mach/powerdomain.h +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -44,9 +44,16 @@ */ #define PWRDM_MAX_MEM_BANKS 4 +/* + * Maximum number of clockdomains that can be associated with a powerdomain. + * CORE powerdomain is probably the worst case. + */ +#define PWRDM_MAX_CLKDMS 3 + /* XXX A completely arbitrary number. What is reasonable here? */ #define PWRDM_TRANSITION_BAILOUT 100000 +struct clockdomain; struct powerdomain; /* Encodes dependencies between powerdomains - statically defined */ @@ -98,6 +105,9 @@ struct powerdomain { /* Possible memory bank pwrstates when pwrdm is ON */ const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS]; + /* Clockdomains in this powerdomain */ + struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS]; + struct list_head node; }; @@ -111,6 +121,12 @@ struct powerdomain *pwrdm_lookup(const char *name); int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)); +int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); +int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); +int pwrdm_for_each_clkdm(struct powerdomain *pwrdm, + int (*fn)(struct powerdomain *pwrdm, + struct clockdomain *clkdm)); + int pwrdm_add_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); int pwrdm_del_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); int pwrdm_read_wkdep(struct powerdomain *pwrdm1, struct powerdomain *pwrdm2); -- GitLab From 801954d3debb87af9fa7f9187cb1100175d76ac7 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:44 +0300 Subject: [PATCH 0443/6244] ARM: OMAP2: Clockdomain: Encode OMAP2/3 clockdomains Add clockdomain definitions for OMAP24xx and OMAP34xx chips. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/clockdomains.h | 298 ++++++++++++++++++++++++++ arch/arm/mach-omap2/cm-regbits-24xx.h | 24 ++- arch/arm/mach-omap2/cm-regbits-34xx.h | 42 +++- arch/arm/mach-omap2/io.c | 4 + 4 files changed, 349 insertions(+), 19 deletions(-) create mode 100644 arch/arm/mach-omap2/clockdomains.h diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h new file mode 100644 index 000000000000..a27632037138 --- /dev/null +++ b/arch/arm/mach-omap2/clockdomains.h @@ -0,0 +1,298 @@ +/* + * OMAP2/3 clockdomains + * + * Copyright (C) 2008 Texas Instruments, Inc. + * Copyright (C) 2008 Nokia Corporation + * + * Written by Paul Walmsley + */ + +#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H +#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H + +#include + +/* + * OMAP2/3-common clockdomains + */ + +/* This is an implicit clockdomain - it is never defined as such in TRM */ +static struct clockdomain wkup_clkdm = { + .name = "wkup_clkdm", + .pwrdm_name = "wkup_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430), +}; + +/* + * 2420-only clockdomains + */ + +#if defined(CONFIG_ARCH_OMAP2420) + +static struct clockdomain mpu_2420_clkdm = { + .name = "mpu_clkdm", + .pwrdm_name = "mpu_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +static struct clockdomain iva1_2420_clkdm = { + .name = "iva1_clkdm", + .pwrdm_name = "dsp_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +#endif /* CONFIG_ARCH_OMAP2420 */ + + +/* + * 2430-only clockdomains + */ + +#if defined(CONFIG_ARCH_OMAP2430) + +static struct clockdomain mpu_2430_clkdm = { + .name = "mpu_clkdm", + .pwrdm_name = "mpu_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +static struct clockdomain mdm_clkdm = { + .name = "mdm_clkdm", + .pwrdm_name = "mdm_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +#endif /* CONFIG_ARCH_OMAP2430 */ + + +/* + * 24XX-only clockdomains + */ + +#if defined(CONFIG_ARCH_OMAP24XX) + +static struct clockdomain dsp_clkdm = { + .name = "dsp_clkdm", + .pwrdm_name = "dsp_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), +}; + +static struct clockdomain gfx_24xx_clkdm = { + .name = "gfx_clkdm", + .pwrdm_name = "gfx_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), +}; + +static struct clockdomain core_l3_24xx_clkdm = { + .name = "core_l3_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), +}; + +static struct clockdomain core_l4_24xx_clkdm = { + .name = "core_l4_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), +}; + +static struct clockdomain dss_24xx_clkdm = { + .name = "dss_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX), +}; + +#endif /* CONFIG_ARCH_OMAP24XX */ + + +/* + * 34xx clockdomains + */ + +#if defined(CONFIG_ARCH_OMAP34XX) + +static struct clockdomain mpu_34xx_clkdm = { + .name = "mpu_clkdm", + .pwrdm_name = "mpu_pwrdm", + .flags = CLKDM_CAN_HWSUP | CLKDM_CAN_FORCE_WAKEUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_MPU_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain neon_clkdm = { + .name = "neon_clkdm", + .pwrdm_name = "neon_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_NEON_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain iva2_clkdm = { + .name = "iva2_clkdm", + .pwrdm_name = "iva2_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain gfx_3430es1_clkdm = { + .name = "gfx_clkdm", + .pwrdm_name = "gfx_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1), +}; + +static struct clockdomain sgx_clkdm = { + .name = "sgx_clkdm", + .pwrdm_name = "sgx_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2), +}; + +static struct clockdomain d2d_clkdm = { + .name = "d2d_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1), +}; + +static struct clockdomain core_l3_34xx_clkdm = { + .name = "core_l3_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_L3_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain core_l4_34xx_clkdm = { + .name = "core_l4_clkdm", + .pwrdm_name = "core_pwrdm", + .flags = CLKDM_CAN_HWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_L4_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain dss_34xx_clkdm = { + .name = "dss_clkdm", + .pwrdm_name = "dss_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain cam_clkdm = { + .name = "cam_clkdm", + .pwrdm_name = "cam_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain usbhost_clkdm = { + .name = "usbhost_clkdm", + .pwrdm_name = "usbhost_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2), +}; + +static struct clockdomain per_clkdm = { + .name = "per_clkdm", + .pwrdm_name = "per_pwrdm", + .flags = CLKDM_CAN_HWSUP_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +static struct clockdomain emu_clkdm = { + .name = "emu_clkdm", + .pwrdm_name = "emu_pwrdm", + .flags = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_SWSUP, + .clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +#endif /* CONFIG_ARCH_OMAP34XX */ + +/* + * Clockdomain-powerdomain hwsup dependencies (34XX only) + */ + +static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = { + { + .pwrdm_name = "mpu_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { + .pwrdm_name = "iva2_pwrdm", + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430) + }, + { NULL } +}; + +/* + * + */ + +static struct clockdomain *clockdomains_omap[] = { + + &wkup_clkdm, + +#ifdef CONFIG_ARCH_OMAP2420 + &mpu_2420_clkdm, + &iva1_2420_clkdm, +#endif + +#ifdef CONFIG_ARCH_OMAP2430 + &mpu_2430_clkdm, + &mdm_clkdm, +#endif + +#ifdef CONFIG_ARCH_OMAP24XX + &dsp_clkdm, + &gfx_24xx_clkdm, + &core_l3_24xx_clkdm, + &core_l4_24xx_clkdm, + &dss_24xx_clkdm, +#endif + +#ifdef CONFIG_ARCH_OMAP34XX + &mpu_34xx_clkdm, + &neon_clkdm, + &iva2_clkdm, + &gfx_3430es1_clkdm, + &sgx_clkdm, + &d2d_clkdm, + &core_l3_34xx_clkdm, + &core_l4_34xx_clkdm, + &dss_34xx_clkdm, + &cam_clkdm, + &usbhost_clkdm, + &per_clkdm, + &emu_clkdm, +#endif + + NULL, +}; + +#endif diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h index 20ac38100678..1098ecfab861 100644 --- a/arch/arm/mach-omap2/cm-regbits-24xx.h +++ b/arch/arm/mach-omap2/cm-regbits-24xx.h @@ -63,7 +63,8 @@ #define OMAP24XX_CLKSEL_MPU_MASK (0x1f << 0) /* CM_CLKSTCTRL_MPU */ -#define OMAP24XX_AUTOSTATE_MPU (1 << 0) +#define OMAP24XX_AUTOSTATE_MPU_SHIFT 0 +#define OMAP24XX_AUTOSTATE_MPU_MASK (1 << 0) /* CM_FCLKEN1_CORE specific bits*/ #define OMAP24XX_EN_TV_SHIFT 2 @@ -238,9 +239,12 @@ #define OMAP24XX_CLKSEL_GPT2_MASK (0x3 << 2) /* CM_CLKSTCTRL_CORE */ -#define OMAP24XX_AUTOSTATE_DSS (1 << 2) -#define OMAP24XX_AUTOSTATE_L4 (1 << 1) -#define OMAP24XX_AUTOSTATE_L3 (1 << 0) +#define OMAP24XX_AUTOSTATE_DSS_SHIFT 2 +#define OMAP24XX_AUTOSTATE_DSS_MASK (1 << 2) +#define OMAP24XX_AUTOSTATE_L4_SHIFT 1 +#define OMAP24XX_AUTOSTATE_L4_MASK (1 << 1) +#define OMAP24XX_AUTOSTATE_L3_SHIFT 0 +#define OMAP24XX_AUTOSTATE_L3_MASK (1 << 0) /* CM_FCLKEN_GFX */ #define OMAP24XX_EN_3D_SHIFT 2 @@ -255,7 +259,8 @@ /* CM_CLKSEL_GFX specific bits */ /* CM_CLKSTCTRL_GFX */ -#define OMAP24XX_AUTOSTATE_GFX (1 << 0) +#define OMAP24XX_AUTOSTATE_GFX_SHIFT 0 +#define OMAP24XX_AUTOSTATE_GFX_MASK (1 << 0) /* CM_FCLKEN_WKUP specific bits */ @@ -367,8 +372,10 @@ #define OMAP24XX_CLKSEL_DSP_MASK (0x1f << 0) /* CM_CLKSTCTRL_DSP */ -#define OMAP2420_AUTOSTATE_IVA (1 << 8) -#define OMAP24XX_AUTOSTATE_DSP (1 << 0) +#define OMAP2420_AUTOSTATE_IVA_SHIFT 8 +#define OMAP2420_AUTOSTATE_IVA_MASK (1 << 8) +#define OMAP24XX_AUTOSTATE_DSP_SHIFT 0 +#define OMAP24XX_AUTOSTATE_DSP_MASK (1 << 0) /* CM_FCLKEN_MDM */ /* 2430 only */ @@ -396,6 +403,7 @@ /* CM_CLKSTCTRL_MDM */ /* 2430 only */ -#define OMAP2430_AUTOSTATE_MDM (1 << 0) +#define OMAP2430_AUTOSTATE_MDM_SHIFT 0 +#define OMAP2430_AUTOSTATE_MDM_MASK (1 << 0) #endif diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h index ee4c0ca1a708..219f5c8d9659 100644 --- a/arch/arm/mach-omap2/cm-regbits-34xx.h +++ b/arch/arm/mach-omap2/cm-regbits-34xx.h @@ -96,7 +96,8 @@ #define OMAP3430_CLKTRCTRL_IVA2_MASK (0x3 << 0) /* CM_CLKSTST_IVA2 */ -#define OMAP3430_CLKACTIVITY_IVA2 (1 << 0) +#define OMAP3430_CLKACTIVITY_IVA2_SHIFT 0 +#define OMAP3430_CLKACTIVITY_IVA2_MASK (1 << 0) /* CM_REVISION specific bits */ @@ -140,7 +141,8 @@ #define OMAP3430_CLKTRCTRL_MPU_MASK (0x3 << 0) /* CM_CLKSTST_MPU */ -#define OMAP3430_CLKACTIVITY_MPU (1 << 0) +#define OMAP3430_CLKACTIVITY_MPU_SHIFT 0 +#define OMAP3430_CLKACTIVITY_MPU_MASK (1 << 0) /* CM_FCLKEN1_CORE specific bits */ @@ -300,9 +302,12 @@ #define OMAP3430_CLKTRCTRL_L3_MASK (0x3 << 0) /* CM_CLKSTST_CORE */ -#define OMAP3430ES1_CLKACTIVITY_D2D (1 << 2) -#define OMAP3430_CLKACTIVITY_L4 (1 << 1) -#define OMAP3430_CLKACTIVITY_L3 (1 << 0) +#define OMAP3430ES1_CLKACTIVITY_D2D_SHIFT 2 +#define OMAP3430ES1_CLKACTIVITY_D2D_MASK (1 << 2) +#define OMAP3430_CLKACTIVITY_L4_SHIFT 1 +#define OMAP3430_CLKACTIVITY_L4_MASK (1 << 1) +#define OMAP3430_CLKACTIVITY_L3_SHIFT 0 +#define OMAP3430_CLKACTIVITY_L3_MASK (1 << 0) /* CM_FCLKEN_GFX */ #define OMAP3430ES1_EN_3D (1 << 2) @@ -323,7 +328,8 @@ #define OMAP3430ES1_CLKTRCTRL_GFX_MASK (0x3 << 0) /* CM_CLKSTST_GFX */ -#define OMAP3430ES1_CLKACTIVITY_GFX (1 << 0) +#define OMAP3430ES1_CLKACTIVITY_GFX_SHIFT 0 +#define OMAP3430ES1_CLKACTIVITY_GFX_MASK (1 << 0) /* CM_FCLKEN_SGX */ #define OMAP3430ES2_EN_SGX_SHIFT 1 @@ -333,6 +339,14 @@ #define OMAP3430ES2_CLKSEL_SGX_SHIFT 0 #define OMAP3430ES2_CLKSEL_SGX_MASK (0x7 << 0) +/* CM_CLKSTCTRL_SGX */ +#define OMAP3430ES2_CLKTRCTRL_SGX_SHIFT 0 +#define OMAP3430ES2_CLKTRCTRL_SGX_MASK (0x3 << 0) + +/* CM_CLKSTST_SGX */ +#define OMAP3430ES2_CLKACTIVITY_SGX_SHIFT 0 +#define OMAP3430ES2_CLKACTIVITY_SGX_MASK (1 << 0) + /* CM_FCLKEN_WKUP specific bits */ #define OMAP3430ES2_EN_USIMOCP_SHIFT 9 @@ -498,7 +512,8 @@ #define OMAP3430_CLKTRCTRL_DSS_MASK (0x3 << 0) /* CM_CLKSTST_DSS */ -#define OMAP3430_CLKACTIVITY_DSS (1 << 0) +#define OMAP3430_CLKACTIVITY_DSS_SHIFT 0 +#define OMAP3430_CLKACTIVITY_DSS_MASK (1 << 0) /* CM_FCLKEN_CAM specific bits */ @@ -522,7 +537,8 @@ #define OMAP3430_CLKTRCTRL_CAM_MASK (0x3 << 0) /* CM_CLKSTST_CAM */ -#define OMAP3430_CLKACTIVITY_CAM (1 << 0) +#define OMAP3430_CLKACTIVITY_CAM_SHIFT 0 +#define OMAP3430_CLKACTIVITY_CAM_MASK (1 << 0) /* CM_FCLKEN_PER specific bits */ @@ -598,7 +614,8 @@ #define OMAP3430_CLKTRCTRL_PER_MASK (0x3 << 0) /* CM_CLKSTST_PER */ -#define OMAP3430_CLKACTIVITY_PER (1 << 0) +#define OMAP3430_CLKACTIVITY_PER_SHIFT 0 +#define OMAP3430_CLKACTIVITY_PER_MASK (1 << 0) /* CM_CLKSEL1_EMU */ #define OMAP3430_DIV_DPLL4_SHIFT 24 @@ -623,7 +640,8 @@ #define OMAP3430_CLKTRCTRL_EMU_MASK (0x3 << 0) /* CM_CLKSTST_EMU */ -#define OMAP3430_CLKACTIVITY_EMU (1 << 0) +#define OMAP3430_CLKACTIVITY_EMU_SHIFT 0 +#define OMAP3430_CLKACTIVITY_EMU_MASK (1 << 0) /* CM_CLKSEL2_EMU specific bits */ #define OMAP3430_CORE_DPLL_EMU_MULT_SHIFT 8 @@ -673,6 +691,8 @@ #define OMAP3430ES2_CLKTRCTRL_USBHOST_SHIFT 0 #define OMAP3430ES2_CLKTRCTRL_USBHOST_MASK (3 << 0) - +/* CM_CLKSTST_USBHOST */ +#define OMAP3430ES2_CLKACTIVITY_USBHOST_SHIFT 0 +#define OMAP3430ES2_CLKACTIVITY_USBHOST_MASK (1 << 0) #endif diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 5f73cf0bb7ef..371e5409fef0 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -28,6 +28,9 @@ #include "powerdomains.h" +#include +#include "clockdomains.h" + extern void omap_sram_init(void); extern int omap2_clk_init(void); extern void omap2_check_revision(void); @@ -106,6 +109,7 @@ void __init omap2_init_common_hw(void) { omap2_mux_init(); pwrdm_init(powerdomains_omap); + clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); omap2_clk_init(); /* * Need to Fix this for 2430 -- GitLab From d1b03f615ae7ede957551dd26bf8929bdc2bb786 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:44 +0300 Subject: [PATCH 0444/6244] ARM: OMAP2: Clockdomain: Associate clocks with clockdomains Associate each OMAP24xx clock in arch/arm/mach-omap2/clock24xx.h with a clockdomain. Also move the L4 clock up higher in the file in preparation to define the SSI L4 iclk. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/clock24xx.h | 238 +++++++++++++++++++----- arch/arm/plat-omap/include/mach/clock.h | 3 + 2 files changed, 190 insertions(+), 51 deletions(-) diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index be4e25554e05..242a19d86ccd 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -626,6 +626,7 @@ static struct clk func_32k_ck = { .rate = 32000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .recalc = &propagate_rate, }; @@ -634,17 +635,19 @@ static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */ .name = "osc_ck", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .enable = &omap2_enable_osc_ck, .disable = &omap2_disable_osc_ck, .recalc = &omap2_osc_clk_recalc, }; -/* With out modem likely 12MHz, with modem likely 13MHz */ +/* Without modem likely 12MHz, with modem likely 13MHz */ static struct clk sys_ck = { /* (*12, *13, 19.2, 26, 38.4)MHz */ .name = "sys_ck", /* ~ ref_clk also */ .parent = &osc_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .recalc = &omap2_sys_clk_recalc, }; @@ -653,6 +656,7 @@ static struct clk alt_ck = { /* Typical 54M or 48M, may not exist */ .rate = 54000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_FIXED | ALWAYS_ENABLED | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .recalc = &propagate_rate, }; @@ -684,6 +688,7 @@ static struct clk dpll_ck = { .dpll_data = &dpll_dd, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "wkup_clkdm", .recalc = &omap2_dpllcore_recalc, .set_rate = &omap2_reprogram_dpllcore, }; @@ -694,6 +699,7 @@ static struct clk apll96_ck = { .rate = 96000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_FIXED | RATE_PROPAGATES | ENABLE_ON_INIT, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP24XX_EN_96M_PLL_SHIFT, .enable = &omap2_clk_fixed_enable, @@ -707,6 +713,7 @@ static struct clk apll54_ck = { .rate = 54000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_FIXED | RATE_PROPAGATES | ENABLE_ON_INIT, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP24XX_EN_54M_PLL_SHIFT, .enable = &omap2_clk_fixed_enable, @@ -741,6 +748,7 @@ static struct clk func_54m_ck = { .parent = &apll54_ck, /* can also be alt_clk */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), .clksel_mask = OMAP24XX_54M_SOURCE, @@ -753,6 +761,7 @@ static struct clk core_ck = { .parent = &dpll_ck, /* can also be 32k */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -779,6 +788,7 @@ static struct clk func_96m_ck = { .parent = &apll96_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), .clksel_mask = OMAP2430_96M_SOURCE, @@ -811,6 +821,7 @@ static struct clk func_48m_ck = { .parent = &apll96_ck, /* 96M or Alt */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), .clksel_mask = OMAP24XX_48M_SOURCE, @@ -826,6 +837,7 @@ static struct clk func_12m_ck = { .fixed_div = 4, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .recalc = &omap2_fixed_divisor_recalc, }; @@ -878,6 +890,7 @@ static struct clk sys_clkout_src = { .parent = &func_54m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP24XX_PRCM_CLKOUT_CTRL, .enable_bit = OMAP24XX_CLKOUT_EN_SHIFT, .init = &omap2_init_clksel_parent, @@ -908,6 +921,7 @@ static struct clk sys_clkout = { .parent = &sys_clkout_src, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .clksel_reg = OMAP24XX_PRCM_CLKOUT_CTRL, .clksel_mask = OMAP24XX_CLKOUT_DIV_MASK, .clksel = sys_clkout_clksel, @@ -921,6 +935,7 @@ static struct clk sys_clkout2_src = { .name = "sys_clkout2_src", .parent = &func_54m_ck, .flags = CLOCK_IN_OMAP242X | RATE_PROPAGATES, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP24XX_PRCM_CLKOUT_CTRL, .enable_bit = OMAP2420_CLKOUT2_EN_SHIFT, .init = &omap2_init_clksel_parent, @@ -942,6 +957,7 @@ static struct clk sys_clkout2 = { .name = "sys_clkout2", .parent = &sys_clkout2_src, .flags = CLOCK_IN_OMAP242X | PARENT_CONTROLS_CLOCK, + .clkdm_name = "wkup_clkdm", .clksel_reg = OMAP24XX_PRCM_CLKOUT_CTRL, .clksel_mask = OMAP2420_CLKOUT2_DIV_MASK, .clksel = sys_clkout2_clksel, @@ -954,6 +970,7 @@ static struct clk emul_ck = { .name = "emul_ck", .parent = &func_54m_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP24XX_PRCM_CLKEMUL_CTRL, .enable_bit = OMAP24XX_EMULATION_EN_SHIFT, .recalc = &followparent_recalc, @@ -990,12 +1007,13 @@ static struct clk mpu_ck = { /* Control cpu */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED | DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES, + .clkdm_name = "mpu_clkdm", .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, CM_CLKSEL), .clksel_mask = OMAP24XX_CLKSEL_MPU_MASK, .clksel = mpu_clksel, .recalc = &omap2_clksel_recalc, - .round_rate = &omap2_clksel_round_rate, + .round_rate = &omap2_clksel_round_rate, .set_rate = &omap2_clksel_set_rate }; @@ -1031,6 +1049,7 @@ static struct clk dsp_fck = { .parent = &core_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES, + .clkdm_name = "dsp_clkdm", .enable_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT, .clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL), @@ -1054,10 +1073,7 @@ static const struct clksel dsp_irate_ick_clksel[] = { { .parent = NULL } }; -/* - * This clock does not exist as such in the TRM, but is added to - * separate source selection from XXX - */ +/* This clock does not exist as such in the TRM. */ static struct clk dsp_irate_ick = { .name = "dsp_irate_ick", .parent = &dsp_fck, @@ -1089,11 +1105,17 @@ static struct clk iva2_1_ick = { .enable_bit = OMAP24XX_CM_FCLKEN_DSP_EN_DSP_SHIFT, }; +/* + * The IVA1 is an ARM7 core on the 2420 that has nothing to do with + * the C54x, but which is contained in the DSP powerdomain. Does not + * exist on later OMAPs. + */ static struct clk iva1_ifck = { .name = "iva1_ifck", .parent = &core_ck, .flags = CLOCK_IN_OMAP242X | CONFIG_PARTICIPANT | RATE_PROPAGATES | DELAYED_APP, + .clkdm_name = "iva1_clkdm", .enable_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN), .enable_bit = OMAP2420_EN_IVA_COP_SHIFT, .clksel_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_CLKSEL), @@ -1109,6 +1131,7 @@ static struct clk iva1_mpu_int_ifck = { .name = "iva1_mpu_int_ifck", .parent = &iva1_ifck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "iva1_clkdm", .enable_reg = OMAP_CM_REGADDR(OMAP24XX_DSP_MOD, CM_FCLKEN), .enable_bit = OMAP2420_EN_IVA_MPU_SHIFT, .fixed_div = 2, @@ -1156,6 +1179,7 @@ static struct clk core_l3_ck = { /* Used for ick and fck, interconnect */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED | DELAYED_APP | CONFIG_PARTICIPANT | RATE_PROPAGATES, + .clkdm_name = "core_l3_clkdm", .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), .clksel_mask = OMAP24XX_CLKSEL_L3_MASK, .clksel = core_l3_clksel, @@ -1177,11 +1201,13 @@ static const struct clksel usb_l4_ick_clksel[] = { { .parent = NULL }, }; +/* It is unclear from TRM whether usb_l4_ick is really in L3 or L4 clkdm */ static struct clk usb_l4_ick = { /* FS-USB interface clock */ .name = "usb_l4_ick", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP | CONFIG_PARTICIPANT, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP24XX_EN_USB_SHIFT, .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), @@ -1192,11 +1218,43 @@ static struct clk usb_l4_ick = { /* FS-USB interface clock */ .set_rate = &omap2_clksel_set_rate }; +/* + * L4 clock management domain + * + * This domain contains lots of interface clocks from the L4 interface, some + * functional clocks. Fixed APLL functional source clocks are managed in + * this domain. + */ +static const struct clksel_rate l4_core_l3_rates[] = { + { .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE }, + { .div = 2, .val = 2, .flags = RATE_IN_24XX }, + { .div = 0 } +}; + +static const struct clksel l4_clksel[] = { + { .parent = &core_l3_ck, .rates = l4_core_l3_rates }, + { .parent = NULL } +}; + +static struct clk l4_ck = { /* used both as an ick and fck */ + .name = "l4_ck", + .parent = &core_l3_ck, + .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | + ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES, + .clkdm_name = "core_l4_clkdm", + .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), + .clksel_mask = OMAP24XX_CLKSEL_L4_MASK, + .clksel = l4_clksel, + .recalc = &omap2_clksel_recalc, + .round_rate = &omap2_clksel_round_rate, + .set_rate = &omap2_clksel_set_rate +}; + /* * SSI is in L3 management domain, its direct parent is core not l3, * many core power domain entities are grouped into the L3 clock * domain. - * SSI_SSR_FCLK, SSI_SST_FCLK, SSI_L4_CLIK + * SSI_SSR_FCLK, SSI_SST_FCLK, SSI_L4_ICLK * * ssr = core/1/2/3/4/5, sst = 1/2 ssr. */ @@ -1221,6 +1279,7 @@ static struct clk ssi_ssr_sst_fck = { .parent = &core_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP24XX_EN_SSI_SHIFT, .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), @@ -1231,6 +1290,7 @@ static struct clk ssi_ssr_sst_fck = { .set_rate = &omap2_clksel_set_rate }; + /* * GFX clock domain * Clocks: @@ -1254,6 +1314,7 @@ static struct clk gfx_3d_fck = { .name = "gfx_3d_fck", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "gfx_clkdm", .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_EN_3D_SHIFT, .clksel_reg = OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL), @@ -1268,6 +1329,7 @@ static struct clk gfx_2d_fck = { .name = "gfx_2d_fck", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "gfx_clkdm", .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_EN_2D_SHIFT, .clksel_reg = OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL), @@ -1282,6 +1344,7 @@ static struct clk gfx_ick = { .name = "gfx_ick", /* From l3 */ .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "gfx_clkdm", .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), .enable_bit = OMAP_EN_GFX_SHIFT, .recalc = &followparent_recalc, @@ -1311,6 +1374,7 @@ static struct clk mdm_ick = { /* used both as a ick and fck */ .name = "mdm_ick", .parent = &core_ck, .flags = CLOCK_IN_OMAP243X | DELAYED_APP | CONFIG_PARTICIPANT, + .clkdm_name = "mdm_clkdm", .enable_reg = OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_ICLKEN), .enable_bit = OMAP2430_CM_ICLKEN_MDM_EN_MDM_SHIFT, .clksel_reg = OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_CLKSEL), @@ -1325,51 +1389,12 @@ static struct clk mdm_osc_ck = { .name = "mdm_osc_ck", .parent = &osc_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "mdm_clkdm", .enable_reg = OMAP_CM_REGADDR(OMAP2430_MDM_MOD, CM_FCLKEN), .enable_bit = OMAP2430_EN_OSC_SHIFT, .recalc = &followparent_recalc, }; -/* - * L4 clock management domain - * - * This domain contains lots of interface clocks from the L4 interface, some - * functional clocks. Fixed APLL functional source clocks are managed in - * this domain. - */ -static const struct clksel_rate l4_core_l3_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_24XX | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_24XX }, - { .div = 0 } -}; - -static const struct clksel l4_clksel[] = { - { .parent = &core_l3_ck, .rates = l4_core_l3_rates }, - { .parent = NULL } -}; - -static struct clk l4_ck = { /* used both as an ick and fck */ - .name = "l4_ck", - .parent = &core_l3_ck, - .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | - ALWAYS_ENABLED | DELAYED_APP | RATE_PROPAGATES, - .clksel_reg = OMAP_CM_REGADDR(CORE_MOD, CM_CLKSEL1), - .clksel_mask = OMAP24XX_CLKSEL_L4_MASK, - .clksel = l4_clksel, - .recalc = &omap2_clksel_recalc, - .round_rate = &omap2_clksel_round_rate, - .set_rate = &omap2_clksel_set_rate -}; - -static struct clk ssi_l4_ick = { - .name = "ssi_l4_ick", - .parent = &l4_ck, - .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, - .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), - .enable_bit = OMAP24XX_EN_SSI_SHIFT, - .recalc = &followparent_recalc, -}; - /* * DSS clock domain * CLOCKs: @@ -1409,6 +1434,7 @@ static struct clk dss_ick = { /* Enables both L3,L4 ICLK's */ .name = "dss_ick", .parent = &l4_ck, /* really both l3 and l4 */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "dss_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_DSS1_SHIFT, .recalc = &followparent_recalc, @@ -1419,6 +1445,7 @@ static struct clk dss1_fck = { .parent = &core_ck, /* Core or sys */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP, + .clkdm_name = "dss_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_DSS1_SHIFT, .init = &omap2_init_clksel_parent, @@ -1451,6 +1478,7 @@ static struct clk dss2_fck = { /* Alt clk used in power management */ .parent = &sys_ck, /* fixed at sys_ck or 48MHz */ .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | DELAYED_APP, + .clkdm_name = "dss_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_DSS2_SHIFT, .init = &omap2_init_clksel_parent, @@ -1464,6 +1492,7 @@ static struct clk dss_54m_fck = { /* Alt clk used in power management */ .name = "dss_54m_fck", /* 54m tv clk */ .parent = &func_54m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "dss_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_TV_SHIFT, .recalc = &followparent_recalc, @@ -1491,6 +1520,7 @@ static struct clk gpt1_ick = { .name = "gpt1_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_GPT1_SHIFT, .recalc = &followparent_recalc, @@ -1500,6 +1530,7 @@ static struct clk gpt1_fck = { .name = "gpt1_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_EN_GPT1_SHIFT, .init = &omap2_init_clksel_parent, @@ -1515,6 +1546,7 @@ static struct clk gpt2_ick = { .name = "gpt2_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT2_SHIFT, .recalc = &followparent_recalc, @@ -1524,6 +1556,7 @@ static struct clk gpt2_fck = { .name = "gpt2_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT2_SHIFT, .init = &omap2_init_clksel_parent, @@ -1537,6 +1570,7 @@ static struct clk gpt3_ick = { .name = "gpt3_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT3_SHIFT, .recalc = &followparent_recalc, @@ -1546,6 +1580,7 @@ static struct clk gpt3_fck = { .name = "gpt3_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT3_SHIFT, .init = &omap2_init_clksel_parent, @@ -1559,6 +1594,7 @@ static struct clk gpt4_ick = { .name = "gpt4_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT4_SHIFT, .recalc = &followparent_recalc, @@ -1568,6 +1604,7 @@ static struct clk gpt4_fck = { .name = "gpt4_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT4_SHIFT, .init = &omap2_init_clksel_parent, @@ -1581,6 +1618,7 @@ static struct clk gpt5_ick = { .name = "gpt5_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT5_SHIFT, .recalc = &followparent_recalc, @@ -1590,6 +1628,7 @@ static struct clk gpt5_fck = { .name = "gpt5_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT5_SHIFT, .init = &omap2_init_clksel_parent, @@ -1603,6 +1642,7 @@ static struct clk gpt6_ick = { .name = "gpt6_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT6_SHIFT, .recalc = &followparent_recalc, @@ -1612,6 +1652,7 @@ static struct clk gpt6_fck = { .name = "gpt6_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT6_SHIFT, .init = &omap2_init_clksel_parent, @@ -1634,6 +1675,7 @@ static struct clk gpt7_fck = { .name = "gpt7_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT7_SHIFT, .init = &omap2_init_clksel_parent, @@ -1647,6 +1689,7 @@ static struct clk gpt8_ick = { .name = "gpt8_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT8_SHIFT, .recalc = &followparent_recalc, @@ -1656,6 +1699,7 @@ static struct clk gpt8_fck = { .name = "gpt8_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT8_SHIFT, .init = &omap2_init_clksel_parent, @@ -1669,6 +1713,7 @@ static struct clk gpt9_ick = { .name = "gpt9_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT9_SHIFT, .recalc = &followparent_recalc, @@ -1678,6 +1723,7 @@ static struct clk gpt9_fck = { .name = "gpt9_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT9_SHIFT, .init = &omap2_init_clksel_parent, @@ -1691,6 +1737,7 @@ static struct clk gpt10_ick = { .name = "gpt10_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT10_SHIFT, .recalc = &followparent_recalc, @@ -1700,6 +1747,7 @@ static struct clk gpt10_fck = { .name = "gpt10_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT10_SHIFT, .init = &omap2_init_clksel_parent, @@ -1713,6 +1761,7 @@ static struct clk gpt11_ick = { .name = "gpt11_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT11_SHIFT, .recalc = &followparent_recalc, @@ -1722,6 +1771,7 @@ static struct clk gpt11_fck = { .name = "gpt11_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT11_SHIFT, .init = &omap2_init_clksel_parent, @@ -1735,6 +1785,7 @@ static struct clk gpt12_ick = { .name = "gpt12_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_GPT12_SHIFT, .recalc = &followparent_recalc, @@ -1744,6 +1795,7 @@ static struct clk gpt12_fck = { .name = "gpt12_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_GPT12_SHIFT, .init = &omap2_init_clksel_parent, @@ -1758,6 +1810,7 @@ static struct clk mcbsp1_ick = { .id = 1, .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MCBSP1_SHIFT, .recalc = &followparent_recalc, @@ -1768,6 +1821,7 @@ static struct clk mcbsp1_fck = { .id = 1, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCBSP1_SHIFT, .recalc = &followparent_recalc, @@ -1778,6 +1832,7 @@ static struct clk mcbsp2_ick = { .id = 2, .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MCBSP2_SHIFT, .recalc = &followparent_recalc, @@ -1788,6 +1843,7 @@ static struct clk mcbsp2_fck = { .id = 2, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCBSP2_SHIFT, .recalc = &followparent_recalc, @@ -1798,6 +1854,7 @@ static struct clk mcbsp3_ick = { .id = 3, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MCBSP3_SHIFT, .recalc = &followparent_recalc, @@ -1808,6 +1865,7 @@ static struct clk mcbsp3_fck = { .id = 3, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MCBSP3_SHIFT, .recalc = &followparent_recalc, @@ -1818,6 +1876,7 @@ static struct clk mcbsp4_ick = { .id = 4, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MCBSP4_SHIFT, .recalc = &followparent_recalc, @@ -1828,6 +1887,7 @@ static struct clk mcbsp4_fck = { .id = 4, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MCBSP4_SHIFT, .recalc = &followparent_recalc, @@ -1838,6 +1898,7 @@ static struct clk mcbsp5_ick = { .id = 5, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MCBSP5_SHIFT, .recalc = &followparent_recalc, @@ -1848,6 +1909,7 @@ static struct clk mcbsp5_fck = { .id = 5, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MCBSP5_SHIFT, .recalc = &followparent_recalc, @@ -1857,6 +1919,7 @@ static struct clk mcspi1_ick = { .name = "mcspi_ick", .id = 1, .parent = &l4_ck, + .clkdm_name = "core_l4_clkdm", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MCSPI1_SHIFT, @@ -1868,6 +1931,7 @@ static struct clk mcspi1_fck = { .id = 1, .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCSPI1_SHIFT, .recalc = &followparent_recalc, @@ -1878,6 +1942,7 @@ static struct clk mcspi2_ick = { .id = 2, .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MCSPI2_SHIFT, .recalc = &followparent_recalc, @@ -1888,6 +1953,7 @@ static struct clk mcspi2_fck = { .id = 2, .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MCSPI2_SHIFT, .recalc = &followparent_recalc, @@ -1898,6 +1964,7 @@ static struct clk mcspi3_ick = { .id = 3, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MCSPI3_SHIFT, .recalc = &followparent_recalc, @@ -1908,6 +1975,7 @@ static struct clk mcspi3_fck = { .id = 3, .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MCSPI3_SHIFT, .recalc = &followparent_recalc, @@ -1917,6 +1985,7 @@ static struct clk uart1_ick = { .name = "uart1_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_UART1_SHIFT, .recalc = &followparent_recalc, @@ -1926,6 +1995,7 @@ static struct clk uart1_fck = { .name = "uart1_fck", .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_UART1_SHIFT, .recalc = &followparent_recalc, @@ -1935,6 +2005,7 @@ static struct clk uart2_ick = { .name = "uart2_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_UART2_SHIFT, .recalc = &followparent_recalc, @@ -1944,6 +2015,7 @@ static struct clk uart2_fck = { .name = "uart2_fck", .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_UART2_SHIFT, .recalc = &followparent_recalc, @@ -1953,6 +2025,7 @@ static struct clk uart3_ick = { .name = "uart3_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP24XX_EN_UART3_SHIFT, .recalc = &followparent_recalc, @@ -1962,6 +2035,7 @@ static struct clk uart3_fck = { .name = "uart3_fck", .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP24XX_EN_UART3_SHIFT, .recalc = &followparent_recalc, @@ -1971,6 +2045,7 @@ static struct clk gpios_ick = { .name = "gpios_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_GPIOS_SHIFT, .recalc = &followparent_recalc, @@ -1980,6 +2055,7 @@ static struct clk gpios_fck = { .name = "gpios_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_EN_GPIOS_SHIFT, .recalc = &followparent_recalc, @@ -1989,6 +2065,7 @@ static struct clk mpu_wdt_ick = { .name = "mpu_wdt_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_MPU_WDT_SHIFT, .recalc = &followparent_recalc, @@ -1998,6 +2075,7 @@ static struct clk mpu_wdt_fck = { .name = "mpu_wdt_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN), .enable_bit = OMAP24XX_EN_MPU_WDT_SHIFT, .recalc = &followparent_recalc, @@ -2006,31 +2084,40 @@ static struct clk mpu_wdt_fck = { static struct clk sync_32k_ick = { .name = "sync_32k_ick", .parent = &l4_ck, - .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ENABLE_ON_INIT, + .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | + ENABLE_ON_INIT, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_32KSYNC_SHIFT, .recalc = &followparent_recalc, }; + static struct clk wdt1_ick = { .name = "wdt1_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_WDT1_SHIFT, .recalc = &followparent_recalc, }; + static struct clk omapctrl_ick = { .name = "omapctrl_ick", .parent = &l4_ck, - .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ENABLE_ON_INIT, + .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | + ENABLE_ON_INIT, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP24XX_EN_OMAPCTRL_SHIFT, .recalc = &followparent_recalc, }; + static struct clk icr_ick = { .name = "icr_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP2430_EN_ICR_SHIFT, .recalc = &followparent_recalc, @@ -2040,15 +2127,22 @@ static struct clk cam_ick = { .name = "cam_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_CAM_SHIFT, .recalc = &followparent_recalc, }; +/* + * cam_fck controls both CAM_MCLK and CAM_FCLK. It should probably be + * split into two separate clocks, since the parent clocks are different + * and the clockdomains are also different. + */ static struct clk cam_fck = { .name = "cam_fck", .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_CAM_SHIFT, .recalc = &followparent_recalc, @@ -2058,6 +2152,7 @@ static struct clk mailboxes_ick = { .name = "mailboxes_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MAILBOXES_SHIFT, .recalc = &followparent_recalc, @@ -2067,6 +2162,7 @@ static struct clk wdt4_ick = { .name = "wdt4_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_WDT4_SHIFT, .recalc = &followparent_recalc, @@ -2076,6 +2172,7 @@ static struct clk wdt4_fck = { .name = "wdt4_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_WDT4_SHIFT, .recalc = &followparent_recalc, @@ -2085,6 +2182,7 @@ static struct clk wdt3_ick = { .name = "wdt3_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_WDT3_SHIFT, .recalc = &followparent_recalc, @@ -2094,6 +2192,7 @@ static struct clk wdt3_fck = { .name = "wdt3_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_WDT3_SHIFT, .recalc = &followparent_recalc, @@ -2103,6 +2202,7 @@ static struct clk mspro_ick = { .name = "mspro_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_MSPRO_SHIFT, .recalc = &followparent_recalc, @@ -2112,6 +2212,7 @@ static struct clk mspro_fck = { .name = "mspro_fck", .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_MSPRO_SHIFT, .recalc = &followparent_recalc, @@ -2121,6 +2222,7 @@ static struct clk mmc_ick = { .name = "mmc_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_MMC_SHIFT, .recalc = &followparent_recalc, @@ -2130,6 +2232,7 @@ static struct clk mmc_fck = { .name = "mmc_fck", .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_MMC_SHIFT, .recalc = &followparent_recalc, @@ -2139,6 +2242,7 @@ static struct clk fac_ick = { .name = "fac_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_FAC_SHIFT, .recalc = &followparent_recalc, @@ -2148,6 +2252,7 @@ static struct clk fac_fck = { .name = "fac_fck", .parent = &func_12m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_FAC_SHIFT, .recalc = &followparent_recalc, @@ -2157,6 +2262,7 @@ static struct clk eac_ick = { .name = "eac_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_EAC_SHIFT, .recalc = &followparent_recalc, @@ -2166,6 +2272,7 @@ static struct clk eac_fck = { .name = "eac_fck", .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_EAC_SHIFT, .recalc = &followparent_recalc, @@ -2175,6 +2282,7 @@ static struct clk hdq_ick = { .name = "hdq_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP24XX_EN_HDQ_SHIFT, .recalc = &followparent_recalc, @@ -2184,6 +2292,7 @@ static struct clk hdq_fck = { .name = "hdq_fck", .parent = &func_12m_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP24XX_EN_HDQ_SHIFT, .recalc = &followparent_recalc, @@ -2194,6 +2303,7 @@ static struct clk i2c2_ick = { .id = 2, .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_I2C2_SHIFT, .recalc = &followparent_recalc, @@ -2204,6 +2314,7 @@ static struct clk i2c2_fck = { .id = 2, .parent = &func_12m_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_I2C2_SHIFT, .recalc = &followparent_recalc, @@ -2214,6 +2325,7 @@ static struct clk i2chs2_fck = { .id = 2, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_I2CHS2_SHIFT, .recalc = &followparent_recalc, @@ -2224,6 +2336,7 @@ static struct clk i2c1_ick = { .id = 1, .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_I2C1_SHIFT, .recalc = &followparent_recalc, @@ -2234,6 +2347,7 @@ static struct clk i2c1_fck = { .id = 1, .parent = &func_12m_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_I2C1_SHIFT, .recalc = &followparent_recalc, @@ -2244,6 +2358,7 @@ static struct clk i2chs1_fck = { .id = 1, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_I2CHS1_SHIFT, .recalc = &followparent_recalc, @@ -2252,7 +2367,9 @@ static struct clk i2chs1_fck = { static struct clk gpmc_fck = { .name = "gpmc_fck", .parent = &core_l3_ck, - .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ENABLE_ON_INIT, + .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | + ENABLE_ON_INIT, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -2260,6 +2377,7 @@ static struct clk sdma_fck = { .name = "sdma_fck", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -2267,6 +2385,7 @@ static struct clk sdma_ick = { .name = "sdma_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -2274,6 +2393,7 @@ static struct clk vlynq_ick = { .name = "vlynq_ick", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP242X, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP2420_EN_VLYNQ_SHIFT, .recalc = &followparent_recalc, @@ -2308,6 +2428,7 @@ static struct clk vlynq_fck = { .name = "vlynq_fck", .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP242X | DELAYED_APP, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP2420_EN_VLYNQ_SHIFT, .init = &omap2_init_clksel_parent, @@ -2323,6 +2444,7 @@ static struct clk sdrc_ick = { .name = "sdrc_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | ENABLE_ON_INIT, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3), .enable_bit = OMAP2430_EN_SDRC_SHIFT, .recalc = &followparent_recalc, @@ -2332,6 +2454,7 @@ static struct clk des_ick = { .name = "des_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4), .enable_bit = OMAP24XX_EN_DES_SHIFT, .recalc = &followparent_recalc, @@ -2341,6 +2464,7 @@ static struct clk sha_ick = { .name = "sha_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4), .enable_bit = OMAP24XX_EN_SHA_SHIFT, .recalc = &followparent_recalc, @@ -2350,6 +2474,7 @@ static struct clk rng_ick = { .name = "rng_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4), .enable_bit = OMAP24XX_EN_RNG_SHIFT, .recalc = &followparent_recalc, @@ -2359,6 +2484,7 @@ static struct clk aes_ick = { .name = "aes_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4), .enable_bit = OMAP24XX_EN_AES_SHIFT, .recalc = &followparent_recalc, @@ -2368,6 +2494,7 @@ static struct clk pka_ick = { .name = "pka_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_ICLKEN4), .enable_bit = OMAP24XX_EN_PKA_SHIFT, .recalc = &followparent_recalc, @@ -2377,6 +2504,7 @@ static struct clk usb_fck = { .name = "usb_fck", .parent = &func_48m_ck, .flags = CLOCK_IN_OMAP243X | CLOCK_IN_OMAP242X, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP24XX_EN_USB_SHIFT, .recalc = &followparent_recalc, @@ -2386,6 +2514,7 @@ static struct clk usbhs_ick = { .name = "usbhs_ick", .parent = &core_l3_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_USBHS_SHIFT, .recalc = &followparent_recalc, @@ -2396,6 +2525,7 @@ static struct clk mmchs1_ick = { .id = 1, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MMCHS1_SHIFT, .recalc = &followparent_recalc, @@ -2406,6 +2536,7 @@ static struct clk mmchs1_fck = { .id = 1, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l3_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MMCHS1_SHIFT, .recalc = &followparent_recalc, @@ -2416,6 +2547,7 @@ static struct clk mmchs2_ick = { .id = 2, .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MMCHS2_SHIFT, .recalc = &followparent_recalc, @@ -2435,6 +2567,7 @@ static struct clk gpio5_ick = { .name = "gpio5_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_GPIO5_SHIFT, .recalc = &followparent_recalc, @@ -2444,6 +2577,7 @@ static struct clk gpio5_fck = { .name = "gpio5_fck", .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_GPIO5_SHIFT, .recalc = &followparent_recalc, @@ -2453,6 +2587,7 @@ static struct clk mdm_intc_ick = { .name = "mdm_intc_ick", .parent = &l4_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2), .enable_bit = OMAP2430_EN_MDM_INTC_SHIFT, .recalc = &followparent_recalc, @@ -2463,6 +2598,7 @@ static struct clk mmchsdb1_fck = { .id = 1, .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MMCHSDB1_SHIFT, .recalc = &followparent_recalc, @@ -2473,6 +2609,7 @@ static struct clk mmchsdb2_fck = { .id = 2, .parent = &func_32k_ck, .flags = CLOCK_IN_OMAP243X, + .clkdm_name = "core_l4_clkdm", .enable_reg = OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2), .enable_bit = OMAP2430_EN_MMCHSDB2_SHIFT, .recalc = &followparent_recalc, @@ -2551,7 +2688,6 @@ static struct clk *onchip_24xx_clks[] __initdata = { &usb_l4_ick, /* L4 domain clocks */ &l4_ck, /* used as both core_l4 and wu_l4 */ - &ssi_l4_ick, /* virtual meta-group clock */ &virt_prcm_set, /* general l4 interface ck, multi-parent functional clk */ diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h index 92f7c7238fcd..719298554ed7 100644 --- a/arch/arm/plat-omap/include/mach/clock.h +++ b/arch/arm/plat-omap/include/mach/clock.h @@ -15,6 +15,7 @@ struct module; struct clk; +struct clockdomain; #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) @@ -79,6 +80,8 @@ struct clk { u32 clksel_mask; const struct clksel *clksel; struct dpll_data *dpll_data; + const char *clkdm_name; + struct clockdomain *clkdm; #else __u8 rate_offset; __u8 src_offset; -- GitLab From 333943ba9e1716a3751af82f2dcc7620b83091ed Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Tue, 19 Aug 2008 11:08:45 +0300 Subject: [PATCH 0445/6244] ARM: OMAP2: Clockdomain: Integrate OMAP3 clocks with clockdomain code This patch integrates the OMAP3 clock tree with the clockdomain code. This patch: - marks OMAP34xx clocks with their corresponding clockdomain. - adds code to convert the clockdomain name to a clockdomain pointer in the struct clk during clk_register(). - modifies OMAP2 clock usecounting to call into the clockdomain code when clocks are enabled or disabled. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/clock.c | 46 ++++++- arch/arm/mach-omap2/clock.h | 1 + arch/arm/mach-omap2/clock34xx.c | 4 +- arch/arm/mach-omap2/clock34xx.h | 196 ++++++++++++++++++++++++++--- arch/arm/mach-omap2/clockdomains.h | 9 +- 5 files changed, 232 insertions(+), 24 deletions(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 1d891e4a6933..aa9b37370d44 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -26,6 +26,7 @@ #include #include +#include #include #include #include @@ -62,9 +63,35 @@ u8 cpu_mask; /*------------------------------------------------------------------------- - * Omap2 specific clock functions + * OMAP2/3 specific clock functions *-------------------------------------------------------------------------*/ +/** + * omap2_init_clk_clkdm - look up a clockdomain name, store pointer in clk + * @clk: OMAP clock struct ptr to use + * + * Convert a clockdomain name stored in a struct clk 'clk' into a + * clockdomain pointer, and save it into the struct clk. Intended to be + * called during clk_register(). No return value. + */ +void omap2_init_clk_clkdm(struct clk *clk) +{ + struct clockdomain *clkdm; + + if (!clk->clkdm_name) + return; + + clkdm = clkdm_lookup(clk->clkdm_name); + if (clkdm) { + pr_debug("clock: associated clk %s to clkdm %s\n", + clk->name, clk->clkdm_name); + clk->clkdm = clkdm; + } else { + pr_debug("clock: could not associate clk %s to " + "clkdm %s\n", clk->name, clk->clkdm_name); + } +} + /** * omap2_init_clksel_parent - set a clksel clk's parent field from the hardware * @clk: OMAP clock struct ptr to use @@ -308,6 +335,9 @@ void omap2_clk_disable(struct clk *clk) _omap2_clk_disable(clk); if (likely((u32)clk->parent)) omap2_clk_disable(clk->parent); + if (clk->clkdm) + omap2_clkdm_clk_disable(clk->clkdm, clk); + } } @@ -324,11 +354,19 @@ int omap2_clk_enable(struct clk *clk) return ret; } + if (clk->clkdm) + omap2_clkdm_clk_enable(clk->clkdm, clk); + ret = _omap2_clk_enable(clk); - if (unlikely(ret != 0) && clk->parent) { - omap2_clk_disable(clk->parent); - clk->usecount--; + if (unlikely(ret != 0)) { + if (clk->clkdm) + omap2_clkdm_clk_disable(clk->clkdm, clk); + + if (clk->parent) { + omap2_clk_disable(clk->parent); + clk->usecount--; + } } } diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index 626e5fa93b6a..ea55f286f47d 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -36,6 +36,7 @@ void omap2_clk_disable_unused(struct clk *clk); #endif void omap2_clksel_recalc(struct clk *clk); +void omap2_init_clk_clkdm(struct clk *clk); void omap2_init_clksel_parent(struct clk *clk); u32 omap2_clksel_get_divisor(struct clk *clk); u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate, diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index dff7a72fefc9..0bf661df6643 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -489,8 +489,10 @@ int __init omap2_clk_init(void) for (clkp = onchip_34xx_clks; clkp < onchip_34xx_clks + ARRAY_SIZE(onchip_34xx_clks); clkp++) { - if ((*clkp)->flags & cpu_clkflg) + if ((*clkp)->flags & cpu_clkflg) { clk_register(*clkp); + omap2_init_clk_clkdm(*clkp); + } } /* REVISIT: Not yet ready for OMAP3 */ diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index ec664457a11a..bb01e2014818 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -478,7 +478,7 @@ static struct clk dpll3_m2_ck = { }; static const struct clksel core_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll3_m2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -495,7 +495,7 @@ static struct clk core_ck = { }; static const struct clksel dpll3_m2x2_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll3_x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -541,7 +541,7 @@ static struct clk dpll3_m3x2_ck = { }; static const struct clksel emu_core_alwon_ck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll3_m3x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -633,7 +633,7 @@ static struct clk dpll4_m2x2_ck = { }; static const struct clksel omap_96m_alwon_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -659,7 +659,7 @@ static struct clk omap_96m_fck = { }; static const struct clksel cm_96m_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -701,7 +701,7 @@ static struct clk dpll4_m3x2_ck = { }; static const struct clksel virt_omap_54m_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll4_m3x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -911,7 +911,7 @@ static struct clk dpll5_m2_ck = { }; static const struct clksel omap_120m_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll5_m2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -919,13 +919,13 @@ static const struct clksel omap_120m_fck_clksel[] = { static struct clk omap_120m_fck = { .name = "omap_120m_fck", .parent = &dpll5_m2_ck, - .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2), - .clksel_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK, - .clksel = omap_120m_fck_clksel, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2), + .clksel_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK, + .clksel = omap_120m_fck_clksel, .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &omap2_clksel_recalc, + .recalc = &omap2_clksel_recalc, }; /* CM EXTERNAL CLOCK OUTPUTS */ @@ -1034,7 +1034,7 @@ static struct clk dpll1_fck = { * called 'dpll1_fck' */ static const struct clksel mpu_clksel[] = { - { .parent = &dpll1_fck, .rates = dpll_bypass_rates }, + { .parent = &dpll1_fck, .rates = dpll_bypass_rates }, { .parent = &dpll1_x2m2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -1048,6 +1048,7 @@ static struct clk mpu_ck = { .clksel = mpu_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "mpu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1075,6 +1076,8 @@ static struct clk arm_fck = { .recalc = &omap2_clksel_recalc, }; +/* XXX What about neon_clkdm ? */ + /* * REVISIT: This clock is never specifically defined in the 3430 TRM, * although it is referenced - so this is a guess @@ -1107,7 +1110,7 @@ static struct clk dpll2_fck = { */ static const struct clksel iva2_clksel[] = { - { .parent = &dpll2_fck, .rates = dpll_bypass_rates }, + { .parent = &dpll2_fck, .rates = dpll_bypass_rates }, { .parent = &dpll2_m2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -1123,6 +1126,7 @@ static struct clk iva2_ck = { .clksel_mask = OMAP3430_ST_IVA2_CLK_MASK, .clksel = iva2_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, + .clkdm_name = "iva2_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1137,6 +1141,7 @@ static struct clk l3_ick = { .clksel = div2_core_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l3_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1154,6 +1159,7 @@ static struct clk l4_ick = { .clksel = div2_l3_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1193,33 +1199,40 @@ static struct clk gfx_l3_fck = { .clksel_mask = OMAP_CLKSEL_GFX_MASK, .clksel = gfx_l3_clksel, .flags = CLOCK_IN_OMAP3430ES1 | RATE_PROPAGATES, + .clkdm_name = "gfx_3430es1_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk gfx_l3_ick = { .name = "gfx_l3_ick", .parent = &l3_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), .enable_bit = OMAP_EN_GFX_SHIFT, .flags = CLOCK_IN_OMAP3430ES1, + .clkdm_name = "gfx_3430es1_clkdm", .recalc = &followparent_recalc, }; static struct clk gfx_cg1_ck = { .name = "gfx_cg1_ck", .parent = &gfx_l3_fck, /* REVISIT: correct? */ + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN), .enable_bit = OMAP3430ES1_EN_2D_SHIFT, .flags = CLOCK_IN_OMAP3430ES1, + .clkdm_name = "gfx_3430es1_clkdm", .recalc = &followparent_recalc, }; static struct clk gfx_cg2_ck = { .name = "gfx_cg2_ck", .parent = &gfx_l3_fck, /* REVISIT: correct? */ + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN), .enable_bit = OMAP3430ES1_EN_3D_SHIFT, .flags = CLOCK_IN_OMAP3430ES1, + .clkdm_name = "gfx_3430es1_clkdm", .recalc = &followparent_recalc, }; @@ -1252,15 +1265,18 @@ static struct clk sgx_fck = { .clksel_mask = OMAP3430ES2_CLKSEL_SGX_MASK, .clksel = sgx_clksel, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "sgx_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk sgx_ick = { .name = "sgx_ick", .parent = &l3_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_SGX_MOD, CM_ICLKEN), .enable_bit = OMAP3430ES2_EN_SGX_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "sgx_clkdm", .recalc = &followparent_recalc, }; @@ -1269,9 +1285,11 @@ static struct clk sgx_ick = { static struct clk d2d_26m_fck = { .name = "d2d_26m_fck", .parent = &sys_ck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430ES1_EN_D2D_SHIFT, .flags = CLOCK_IN_OMAP3430ES1, + .clkdm_name = "d2d_clkdm", .recalc = &followparent_recalc, }; @@ -1291,6 +1309,7 @@ static struct clk gpt10_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT10_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1304,6 +1323,7 @@ static struct clk gpt11_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT11_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1341,6 +1361,7 @@ static struct clk core_96m_fck = { .parent = &omap_96m_fck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1351,6 +1372,7 @@ static struct clk mmchs3_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430ES2_EN_MMC3_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1361,6 +1383,7 @@ static struct clk mmchs2_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_MMC2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1370,6 +1393,7 @@ static struct clk mspro_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_MSPRO_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1380,6 +1404,7 @@ static struct clk mmchs1_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_MMC1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1390,16 +1415,18 @@ static struct clk i2c3_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_I2C3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; static struct clk i2c2_fck = { .name = "i2c_fck", - .id = 2, + .id = 2, .parent = &core_96m_fck, .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_I2C2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1410,6 +1437,7 @@ static struct clk i2c1_fck = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1), .enable_bit = OMAP3430_EN_I2C1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1443,6 +1471,7 @@ static struct clk mcbsp5_fck = { .clksel_mask = OMAP2_MCBSP5_CLKS_MASK, .clksel = mcbsp_15_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1456,6 +1485,7 @@ static struct clk mcbsp1_fck = { .clksel_mask = OMAP2_MCBSP1_CLKS_MASK, .clksel = mcbsp_15_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1466,6 +1496,7 @@ static struct clk core_48m_fck = { .parent = &omap_48m_fck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1543,6 +1574,7 @@ static struct clk core_12m_fck = { .parent = &omap_12m_fck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1581,6 +1613,7 @@ static struct clk ssi_ssr_fck = { .clksel_mask = OMAP3430_CLKSEL_SSI_MASK, .clksel = ssi_ssr_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, + .clkdm_name = "core_l4_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -1596,11 +1629,17 @@ static struct clk ssi_sst_fck = { /* CORE_L3_ICK based clocks */ +/* + * XXX must add clk_enable/clk_disable for these if standard code won't + * handle it + */ static struct clk core_l3_ick = { .name = "core_l3_ick", .parent = &l3_ick, + .init = &omap2_init_clk_clkdm, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -1610,6 +1649,7 @@ static struct clk hsotgusb_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_HSOTGUSB_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -1619,6 +1659,7 @@ static struct clk sdrc_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_SDRC_SHIFT, .flags = CLOCK_IN_OMAP343X | ENABLE_ON_INIT, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -1627,6 +1668,7 @@ static struct clk gpmc_fck = { .parent = &core_l3_ick, .flags = CLOCK_IN_OMAP343X | PARENT_CONTROLS_CLOCK | ENABLE_ON_INIT, + .clkdm_name = "core_l3_clkdm", .recalc = &followparent_recalc, }; @@ -1654,8 +1696,10 @@ static struct clk pka_ick = { static struct clk core_l4_ick = { .name = "core_l4_ick", .parent = &l4_ick, + .init = &omap2_init_clk_clkdm, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1665,6 +1709,7 @@ static struct clk usbtll_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN3), .enable_bit = OMAP3430ES2_EN_USBTLL_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1675,6 +1720,7 @@ static struct clk mmchs3_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430ES2_EN_MMC3_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1685,6 +1731,7 @@ static struct clk icr_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_ICR_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1694,6 +1741,7 @@ static struct clk aes2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_AES2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1703,6 +1751,7 @@ static struct clk sha12_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_SHA12_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1712,6 +1761,7 @@ static struct clk des2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_DES2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1722,6 +1772,7 @@ static struct clk mmchs2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MMC2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1732,6 +1783,7 @@ static struct clk mmchs1_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MMC1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1741,6 +1793,7 @@ static struct clk mspro_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MSPRO_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1750,6 +1803,7 @@ static struct clk hdq_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_HDQ_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1760,6 +1814,7 @@ static struct clk mcspi4_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCSPI4_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1770,6 +1825,7 @@ static struct clk mcspi3_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCSPI3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1780,6 +1836,7 @@ static struct clk mcspi2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCSPI2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1790,6 +1847,7 @@ static struct clk mcspi1_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCSPI1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1800,6 +1858,7 @@ static struct clk i2c3_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_I2C3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1810,6 +1869,7 @@ static struct clk i2c2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_I2C2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1820,6 +1880,7 @@ static struct clk i2c1_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_I2C1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1829,6 +1890,7 @@ static struct clk uart2_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_UART2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1838,6 +1900,7 @@ static struct clk uart1_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_UART1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1847,6 +1910,7 @@ static struct clk gpt11_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_GPT11_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1856,6 +1920,7 @@ static struct clk gpt10_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_GPT10_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1866,6 +1931,7 @@ static struct clk mcbsp5_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCBSP5_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1876,6 +1942,7 @@ static struct clk mcbsp1_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MCBSP1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1885,6 +1952,7 @@ static struct clk fac_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430ES1_EN_FAC_SHIFT, .flags = CLOCK_IN_OMAP3430ES1, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1894,6 +1962,7 @@ static struct clk mailboxes_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_MAILBOXES_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1913,6 +1982,7 @@ static struct clk ssi_l4_ick = { .parent = &l4_ick, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1922,6 +1992,7 @@ static struct clk ssi_ick = { .enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1), .enable_bit = OMAP3430_EN_SSI_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; @@ -1996,7 +2067,7 @@ static struct clk des1_ick = { /* DSS */ static const struct clksel dss1_alwon_fck_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll4_m4x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -2011,33 +2082,40 @@ static struct clk dss1_alwon_fck = { .clksel_mask = OMAP3430_ST_PERIPH_CLK_MASK, .clksel = dss1_alwon_fck_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "dss_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk dss_tv_fck = { .name = "dss_tv_fck", .parent = &omap_54m_fck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_TV_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "dss_clkdm", .recalc = &followparent_recalc, }; static struct clk dss_96m_fck = { .name = "dss_96m_fck", .parent = &omap_96m_fck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_TV_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "dss_clkdm", .recalc = &followparent_recalc, }; static struct clk dss2_alwon_fck = { .name = "dss2_alwon_fck", .parent = &sys_ck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_DSS2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "dss_clkdm", .recalc = &followparent_recalc, }; @@ -2045,16 +2123,18 @@ static struct clk dss_ick = { /* Handles both L3 and L4 clocks */ .name = "dss_ick", .parent = &l4_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN), .enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "dss_clkdm", .recalc = &followparent_recalc, }; /* CAM */ static const struct clksel cam_mclk_clksel[] = { - { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &sys_ck, .rates = dpll_bypass_rates }, { .parent = &dpll4_m5x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; @@ -2069,24 +2149,29 @@ static struct clk cam_mclk = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "cam_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk cam_l3_ick = { .name = "cam_l3_ick", .parent = &l3_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "cam_clkdm", .recalc = &followparent_recalc, }; static struct clk cam_l4_ick = { .name = "cam_l4_ick", .parent = &l4_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "cam_clkdm", .recalc = &followparent_recalc, }; @@ -2095,45 +2180,55 @@ static struct clk cam_l4_ick = { static struct clk usbhost_120m_fck = { .name = "usbhost_120m_fck", .parent = &omap_120m_fck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN), .enable_bit = OMAP3430ES2_EN_USBHOST2_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "usbhost_clkdm", .recalc = &followparent_recalc, }; static struct clk usbhost_48m_fck = { .name = "usbhost_48m_fck", .parent = &omap_48m_fck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN), .enable_bit = OMAP3430ES2_EN_USBHOST1_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "usbhost_clkdm", .recalc = &followparent_recalc, }; static struct clk usbhost_l3_ick = { .name = "usbhost_l3_ick", .parent = &l3_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), .enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "usbhost_clkdm", .recalc = &followparent_recalc, }; static struct clk usbhost_l4_ick = { .name = "usbhost_l4_ick", .parent = &l4_ick, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), .enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "usbhost_clkdm", .recalc = &followparent_recalc, }; static struct clk usbhost_sar_fck = { .name = "usbhost_sar_fck", .parent = &osc_sys_ck, + .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_PRM_REGADDR(OMAP3430ES2_USBHOST_MOD, PM_PWSTCTRL), .enable_bit = OMAP3430ES2_SAVEANDRESTORE_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "usbhost_clkdm", .recalc = &followparent_recalc, }; @@ -2175,6 +2270,7 @@ static struct clk usim_fck = { .recalc = &omap2_clksel_recalc, }; +/* XXX should gpt1's clksel have wkup_32k_fck as the 32k opt? */ static struct clk gpt1_fck = { .name = "gpt1_fck", .init = &omap2_init_clksel_parent, @@ -2184,13 +2280,16 @@ static struct clk gpt1_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT1_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk wkup_32k_fck = { .name = "wkup_32k_fck", + .init = &omap2_init_clk_clkdm, .parent = &omap_32k_fck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2200,6 +2299,7 @@ static struct clk gpio1_fck = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2209,6 +2309,7 @@ static struct clk wdt2_fck = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_WDT2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2216,6 +2317,7 @@ static struct clk wkup_l4_ick = { .name = "wkup_l4_ick", .parent = &sys_ck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2227,6 +2329,7 @@ static struct clk usim_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430ES2_EN_USIMOCP_SHIFT, .flags = CLOCK_IN_OMAP3430ES2, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2236,6 +2339,7 @@ static struct clk wdt2_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_WDT2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2245,6 +2349,7 @@ static struct clk wdt1_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_WDT1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2254,6 +2359,7 @@ static struct clk gpio1_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2263,15 +2369,18 @@ static struct clk omap_32ksync_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_32KSYNC_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; +/* XXX This clock no longer exists in 3430 TRM rev F */ static struct clk gpt12_ick = { .name = "gpt12_ick", .parent = &wkup_l4_ick, .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT12_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2281,6 +2390,7 @@ static struct clk gpt1_ick = { .enable_reg = OMAP_CM_REGADDR(WKUP_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT1_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "wkup_clkdm", .recalc = &followparent_recalc, }; @@ -2291,16 +2401,20 @@ static struct clk gpt1_ick = { static struct clk per_96m_fck = { .name = "per_96m_fck", .parent = &omap_96m_alwon_fck, + .init = &omap2_init_clk_clkdm, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; static struct clk per_48m_fck = { .name = "per_48m_fck", .parent = &omap_48m_fck, + .init = &omap2_init_clk_clkdm, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2310,6 +2424,7 @@ static struct clk uart3_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_UART3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2322,6 +2437,7 @@ static struct clk gpt2_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT2_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2334,6 +2450,7 @@ static struct clk gpt3_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT3_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2346,6 +2463,7 @@ static struct clk gpt4_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT4_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2358,6 +2476,7 @@ static struct clk gpt5_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT5_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2370,6 +2489,7 @@ static struct clk gpt6_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT6_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2382,6 +2502,7 @@ static struct clk gpt7_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT7_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2394,6 +2515,7 @@ static struct clk gpt8_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT8_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2406,12 +2528,14 @@ static struct clk gpt9_fck = { .clksel_mask = OMAP3430_CLKSEL_GPT9_MASK, .clksel = omap343x_gpt_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk per_32k_alwon_fck = { .name = "per_32k_alwon_fck", .parent = &omap_32k_fck, + .clkdm_name = "per_clkdm", .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, .recalc = &followparent_recalc, }; @@ -2422,6 +2546,7 @@ static struct clk gpio6_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO6_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2431,6 +2556,7 @@ static struct clk gpio5_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO5_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2440,6 +2566,7 @@ static struct clk gpio4_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO4_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2449,6 +2576,7 @@ static struct clk gpio3_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2458,6 +2586,7 @@ static struct clk gpio2_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_GPIO2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2467,6 +2596,7 @@ static struct clk wdt3_fck = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_WDT3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2475,6 +2605,7 @@ static struct clk per_l4_ick = { .parent = &l4_ick, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2484,6 +2615,7 @@ static struct clk gpio6_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO6_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2493,6 +2625,7 @@ static struct clk gpio5_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO5_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2502,6 +2635,7 @@ static struct clk gpio4_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO4_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2511,6 +2645,7 @@ static struct clk gpio3_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2520,6 +2655,7 @@ static struct clk gpio2_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPIO2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2529,6 +2665,7 @@ static struct clk wdt3_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_WDT3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2538,6 +2675,7 @@ static struct clk uart3_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_UART3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2547,6 +2685,7 @@ static struct clk gpt9_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT9_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2556,6 +2695,7 @@ static struct clk gpt8_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT8_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2565,6 +2705,7 @@ static struct clk gpt7_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT7_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2574,6 +2715,7 @@ static struct clk gpt6_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT6_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2583,6 +2725,7 @@ static struct clk gpt5_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT5_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2592,6 +2735,7 @@ static struct clk gpt4_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT4_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2601,6 +2745,7 @@ static struct clk gpt3_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2610,6 +2755,7 @@ static struct clk gpt2_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_GPT2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2620,6 +2766,7 @@ static struct clk mcbsp2_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_MCBSP2_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2630,6 +2777,7 @@ static struct clk mcbsp3_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_MCBSP3_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; @@ -2640,12 +2788,13 @@ static struct clk mcbsp4_ick = { .enable_reg = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_ICLKEN), .enable_bit = OMAP3430_EN_MCBSP4_SHIFT, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &followparent_recalc, }; static const struct clksel mcbsp_234_clksel[] = { { .parent = &per_96m_fck, .rates = common_mcbsp_96m_rates }, - { .parent = &mcbsp_clks, .rates = common_mcbsp_mcbsp_rates }, + { .parent = &mcbsp_clks, .rates = common_mcbsp_mcbsp_rates }, { .parent = NULL } }; @@ -2659,6 +2808,7 @@ static struct clk mcbsp2_fck = { .clksel_mask = OMAP2_MCBSP2_CLKS_MASK, .clksel = mcbsp_234_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2672,6 +2822,7 @@ static struct clk mcbsp3_fck = { .clksel_mask = OMAP2_MCBSP3_CLKS_MASK, .clksel = mcbsp_234_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2685,6 +2836,7 @@ static struct clk mcbsp4_fck = { .clksel_mask = OMAP2_MCBSP4_CLKS_MASK, .clksel = mcbsp_234_clksel, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "per_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2732,6 +2884,7 @@ static struct clk emu_src_ck = { .clksel_mask = OMAP3430_MUX_CTRL_MASK, .clksel = emu_src_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2755,6 +2908,7 @@ static struct clk pclk_fck = { .clksel_mask = OMAP3430_CLKSEL_PCLK_MASK, .clksel = pclk_emu_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2777,6 +2931,7 @@ static struct clk pclkx2_fck = { .clksel_mask = OMAP3430_CLKSEL_PCLKX2_MASK, .clksel = pclkx2_emu_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2792,6 +2947,7 @@ static struct clk atclk_fck = { .clksel_mask = OMAP3430_CLKSEL_ATCLK_MASK, .clksel = atclk_emu_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2802,6 +2958,7 @@ static struct clk traceclk_src_fck = { .clksel_mask = OMAP3430_TRACE_MUX_CTRL_MASK, .clksel = emu_src_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2824,6 +2981,7 @@ static struct clk traceclk_fck = { .clksel_mask = OMAP3430_CLKSEL_TRACECLK_MASK, .clksel = traceclk_clksel, .flags = CLOCK_IN_OMAP343X | ALWAYS_ENABLED, + .clkdm_name = "emu_clkdm", .recalc = &omap2_clksel_recalc, }; @@ -2853,11 +3011,13 @@ static struct clk sr_l4_ick = { .name = "sr_l4_ick", .parent = &l4_ick, .flags = CLOCK_IN_OMAP343X, + .clkdm_name = "core_l4_clkdm", .recalc = &followparent_recalc, }; /* SECURE_32K_FCK clocks */ +/* XXX This clock no longer exists in 3430 TRM rev F */ static struct clk gpt12_fck = { .name = "gpt12_fck", .parent = &secure_32k_fck, diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h index a27632037138..cd86dcc7b424 100644 --- a/arch/arm/mach-omap2/clockdomains.h +++ b/arch/arm/mach-omap2/clockdomains.h @@ -168,12 +168,19 @@ static struct clockdomain sgx_clkdm = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2), }; +/* + * The die-to-die clockdomain was documented in the 34xx ES1 TRM, but + * then that information was removed from the 34xx ES2+ TRM. It is + * unclear whether the core is still there, but the clockdomain logic + * is there, and must be programmed to an appropriate state if the + * CORE clockdomain is to become inactive. + */ static struct clockdomain d2d_clkdm = { .name = "d2d_clkdm", .pwrdm_name = "core_pwrdm", .flags = CLKDM_CAN_HWSUP, .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK, - .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), }; static struct clockdomain core_l3_34xx_clkdm = { -- GitLab From 5955902fb5c31f6a784ddb7aa16079a2bec588f5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?H=C3=B6gander=20Jouni?= Date: Tue, 19 Aug 2008 11:08:45 +0300 Subject: [PATCH 0446/6244] ARM: OMAP2: Clock: Combine 34xx l3_icks and l4_icks E.g dss_l3_ick and dss_l4_ick have same gating control. Having own clock for both of them causes race condition between enable / disable. This patch combines this kind of clocks and names new clock as _ick. Signed-off-by: Jouni Hogander Acked-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/clock34xx.h | 62 +++++++++++++-------------------- 1 file changed, 24 insertions(+), 38 deletions(-) diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index bb01e2014818..c38a8a09692f 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -1189,27 +1189,34 @@ static const struct clksel gfx_l3_clksel[] = { { .parent = NULL } }; -static struct clk gfx_l3_fck = { - .name = "gfx_l3_fck", +/* Virtual parent clock for gfx_l3_ick and gfx_l3_fck */ +static struct clk gfx_l3_ck = { + .name = "gfx_l3_ck", .parent = &l3_ick, .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), .enable_bit = OMAP_EN_GFX_SHIFT, + .flags = CLOCK_IN_OMAP3430ES1, + .recalc = &followparent_recalc, +}; + +static struct clk gfx_l3_fck = { + .name = "gfx_l3_fck", + .parent = &gfx_l3_ck, + .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(GFX_MOD, CM_CLKSEL), .clksel_mask = OMAP_CLKSEL_GFX_MASK, .clksel = gfx_l3_clksel, - .flags = CLOCK_IN_OMAP3430ES1 | RATE_PROPAGATES, + .flags = CLOCK_IN_OMAP3430ES1 | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, .clkdm_name = "gfx_3430es1_clkdm", .recalc = &omap2_clksel_recalc, }; static struct clk gfx_l3_ick = { .name = "gfx_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), - .enable_bit = OMAP_EN_GFX_SHIFT, - .flags = CLOCK_IN_OMAP3430ES1, + .parent = &gfx_l3_ck, + .flags = CLOCK_IN_OMAP3430ES1 | PARENT_CONTROLS_CLOCK, .clkdm_name = "gfx_3430es1_clkdm", .recalc = &followparent_recalc, }; @@ -2153,19 +2160,9 @@ static struct clk cam_mclk = { .recalc = &omap2_clksel_recalc, }; -static struct clk cam_l3_ick = { - .name = "cam_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), - .enable_bit = OMAP3430_EN_CAM_SHIFT, - .flags = CLOCK_IN_OMAP343X, - .clkdm_name = "cam_clkdm", - .recalc = &followparent_recalc, -}; - -static struct clk cam_l4_ick = { - .name = "cam_l4_ick", +static struct clk cam_ick = { + /* Handles both L3 and L4 clocks */ + .name = "cam_ick", .parent = &l4_ick, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN), @@ -2199,19 +2196,9 @@ static struct clk usbhost_48m_fck = { .recalc = &followparent_recalc, }; -static struct clk usbhost_l3_ick = { - .name = "usbhost_l3_ick", - .parent = &l3_ick, - .init = &omap2_init_clk_clkdm, - .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), - .enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT, - .flags = CLOCK_IN_OMAP3430ES2, - .clkdm_name = "usbhost_clkdm", - .recalc = &followparent_recalc, -}; - -static struct clk usbhost_l4_ick = { - .name = "usbhost_l4_ick", +static struct clk usbhost_ick = { + /* Handles both L3 and L4 clocks */ + .name = "usbhost_ick", .parent = &l4_ick, .init = &omap2_init_clk_clkdm, .enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN), @@ -3093,6 +3080,7 @@ static struct clk *onchip_34xx_clks[] __initdata = { &l3_ick, &l4_ick, &rm_ick, + &gfx_l3_ck, &gfx_l3_fck, &gfx_l3_ick, &gfx_cg1_ck, @@ -3174,12 +3162,10 @@ static struct clk *onchip_34xx_clks[] __initdata = { &dss2_alwon_fck, &dss_ick, &cam_mclk, - &cam_l3_ick, - &cam_l4_ick, + &cam_ick, &usbhost_120m_fck, &usbhost_48m_fck, - &usbhost_l3_ick, - &usbhost_l4_ick, + &usbhost_ick, &usbhost_sar_fck, &usim_fck, &gpt1_fck, -- GitLab From 0c925d79234fe77589d8ff3861f9f8bb9e7fc3f6 Mon Sep 17 00:00:00 2001 From: Hiroshi Shimamoto Date: Mon, 18 Aug 2008 21:49:51 -0700 Subject: [PATCH 0447/6244] rcuclassic: fix compilation NG fix: CC kernel/rcuclassic.o kernel/rcuclassic.c: In function '__rcu_process_callbacks': kernel/rcuclassic.c:561: error: 'flags' undeclared (first use in this function) kernel/rcuclassic.c:561: error: (Each undeclared identifier is reported only once kernel/rcuclassic.c:561: error: for each function it appears in.) Declare missing variable flags. Signed-off-by: Hiroshi Shimamoto Signed-off-by: Ingo Molnar --- kernel/rcuclassic.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/rcuclassic.c b/kernel/rcuclassic.c index c6b6cf55f3e2..01e761a6b38c 100644 --- a/kernel/rcuclassic.c +++ b/kernel/rcuclassic.c @@ -557,6 +557,8 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp, local_irq_enable(); if (rcu_batch_after(rdp->batch, rcp->pending)) { + unsigned long flags; + /* and start it/schedule start if it's a new batch */ spin_lock_irqsave(&rcp->lock, flags); if (rcu_batch_after(rdp->batch, rcp->pending)) { -- GitLab From af4491e51632d01fbc2b856ffa9ebcd4b38db68c Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 19 Aug 2008 12:33:02 +0200 Subject: [PATCH 0448/6244] sched: rt-bandwidth for user grouping interface rt_runtime is a signed value Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/user.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/user.c b/kernel/user.c index 865ecf57a096..39d6159fae43 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -169,7 +169,7 @@ static ssize_t cpu_rt_runtime_show(struct kobject *kobj, { struct user_struct *up = container_of(kobj, struct user_struct, kobj); - return sprintf(buf, "%lu\n", sched_group_rt_runtime(up->tg)); + return sprintf(buf, "%ld\n", sched_group_rt_runtime(up->tg)); } static ssize_t cpu_rt_runtime_store(struct kobject *kobj, @@ -180,7 +180,7 @@ static ssize_t cpu_rt_runtime_store(struct kobject *kobj, unsigned long rt_runtime; int rc; - sscanf(buf, "%lu", &rt_runtime); + sscanf(buf, "%ld", &rt_runtime); rc = sched_group_set_rt_runtime(up->tg, rt_runtime); -- GitLab From 6f0d5c390e4206dcb3804a5072a048fdb7d2b428 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 19 Aug 2008 12:33:03 +0200 Subject: [PATCH 0449/6244] sched: rt-bandwidth accounting fix It fixes an accounting bug where we would continue accumulating runtime even though the bandwidth control is disabled. This would lead to very long throttle periods once bandwidth control gets turned on again. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched_rt.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 998ba54b4543..77340b04a538 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -438,9 +438,6 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq) { u64 runtime = sched_rt_runtime(rt_rq); - if (runtime == RUNTIME_INF) - return 0; - if (rt_rq->rt_throttled) return rt_rq_throttled(rt_rq); @@ -491,9 +488,11 @@ static void update_curr_rt(struct rq *rq) rt_rq = rt_rq_of_se(rt_se); spin_lock(&rt_rq->rt_runtime_lock); - rt_rq->rt_time += delta_exec; - if (sched_rt_runtime_exceeded(rt_rq)) - resched_task(curr); + if (sched_rt_runtime(rt_rq) != RUNTIME_INF) { + rt_rq->rt_time += delta_exec; + if (sched_rt_runtime_exceeded(rt_rq)) + resched_task(curr); + } spin_unlock(&rt_rq->rt_runtime_lock); } } -- GitLab From 0b148fa04852859972abbf848177b92daeef138a Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 19 Aug 2008 12:33:04 +0200 Subject: [PATCH 0450/6244] sched: rt-bandwidth group disable fixes More extensive disable of bandwidth control. It allows sysctl_sched_rt_runtime to disable full group bandwidth control. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched.c | 9 ++++++++- kernel/sched_rt.c | 5 ++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 9a1ddb84e26d..c1bee5fb8154 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -204,11 +204,13 @@ void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime) rt_b->rt_period_timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ; } +static inline int rt_bandwidth_enabled(void); + static void start_rt_bandwidth(struct rt_bandwidth *rt_b) { ktime_t now; - if (rt_b->rt_runtime == RUNTIME_INF) + if (rt_bandwidth_enabled() && rt_b->rt_runtime == RUNTIME_INF) return; if (hrtimer_active(&rt_b->rt_period_timer)) @@ -839,6 +841,11 @@ static inline u64 global_rt_runtime(void) return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC; } +static inline int rt_bandwidth_enabled(void) +{ + return sysctl_sched_rt_runtime >= 0; +} + #ifndef prepare_arch_switch # define prepare_arch_switch(next) do { } while (0) #endif diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 77340b04a538..94daace5ee15 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -386,7 +386,7 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) int i, idle = 1; cpumask_t span; - if (rt_b->rt_runtime == RUNTIME_INF) + if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF) return 1; span = sched_rt_period_mask(); @@ -484,6 +484,9 @@ static void update_curr_rt(struct rq *rq) curr->se.exec_start = rq->clock; cpuacct_charge(curr, delta_exec); + if (!rt_bandwidth_enabled()) + return; + for_each_sched_rt_entity(rt_se) { rt_rq = rt_rq_of_se(rt_se); -- GitLab From eb755805f21bd5ded84026e167b7a90887ac42e5 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 19 Aug 2008 12:33:05 +0200 Subject: [PATCH 0451/6244] sched: extract walk_tg_tree() Extract walk_tg_tree() and make it a little more generic so we can use it in the schedulablity test. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched.c | 79 +++++++++++++++++++++++++++++--------------------- 1 file changed, 46 insertions(+), 33 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index c1bee5fb8154..8c019a19d052 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1387,38 +1387,24 @@ static inline void dec_cpu_load(struct rq *rq, unsigned long load) update_load_sub(&rq->load, load); } -#ifdef CONFIG_SMP -static unsigned long source_load(int cpu, int type); -static unsigned long target_load(int cpu, int type); -static int task_hot(struct task_struct *p, u64 now, struct sched_domain *sd); - -static unsigned long cpu_avg_load_per_task(int cpu) -{ - struct rq *rq = cpu_rq(cpu); - - if (rq->nr_running) - rq->avg_load_per_task = rq->load.weight / rq->nr_running; - - return rq->avg_load_per_task; -} - -#ifdef CONFIG_FAIR_GROUP_SCHED - -typedef void (*tg_visitor)(struct task_group *, int, struct sched_domain *); +#if (defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)) +typedef int (*tg_visitor)(struct task_group *, void *); /* * Iterate the full tree, calling @down when first entering a node and @up when * leaving it for the final time. */ -static void -walk_tg_tree(tg_visitor down, tg_visitor up, int cpu, struct sched_domain *sd) +static int walk_tg_tree(tg_visitor down, tg_visitor up, void *data) { struct task_group *parent, *child; + int ret; rcu_read_lock(); parent = &root_task_group; down: - (*down)(parent, cpu, sd); + ret = (*down)(parent, data); + if (ret) + goto out_unlock; list_for_each_entry_rcu(child, &parent->children, siblings) { parent = child; goto down; @@ -1426,14 +1412,42 @@ down: up: continue; } - (*up)(parent, cpu, sd); + ret = (*up)(parent, data); + if (ret) + goto out_unlock; child = parent; parent = parent->parent; if (parent) goto up; +out_unlock: rcu_read_unlock(); + + return ret; +} + +static int tg_nop(struct task_group *tg, void *data) +{ + return 0; } +#endif + +#ifdef CONFIG_SMP +static unsigned long source_load(int cpu, int type); +static unsigned long target_load(int cpu, int type); +static int task_hot(struct task_struct *p, u64 now, struct sched_domain *sd); + +static unsigned long cpu_avg_load_per_task(int cpu) +{ + struct rq *rq = cpu_rq(cpu); + + if (rq->nr_running) + rq->avg_load_per_task = rq->load.weight / rq->nr_running; + + return rq->avg_load_per_task; +} + +#ifdef CONFIG_FAIR_GROUP_SCHED static void __set_se_shares(struct sched_entity *se, unsigned long shares); @@ -1493,11 +1507,11 @@ __update_group_shares_cpu(struct task_group *tg, int cpu, * This needs to be done in a bottom-up fashion because the rq weight of a * parent group depends on the shares of its child groups. */ -static void -tg_shares_up(struct task_group *tg, int cpu, struct sched_domain *sd) +static int tg_shares_up(struct task_group *tg, void *data) { unsigned long rq_weight = 0; unsigned long shares = 0; + struct sched_domain *sd = data; int i; for_each_cpu_mask(i, sd->span) { @@ -1522,6 +1536,8 @@ tg_shares_up(struct task_group *tg, int cpu, struct sched_domain *sd) __update_group_shares_cpu(tg, i, shares, rq_weight); spin_unlock_irqrestore(&rq->lock, flags); } + + return 0; } /* @@ -1529,10 +1545,10 @@ tg_shares_up(struct task_group *tg, int cpu, struct sched_domain *sd) * This needs to be done in a top-down fashion because the load of a child * group is a fraction of its parents load. */ -static void -tg_load_down(struct task_group *tg, int cpu, struct sched_domain *sd) +static int tg_load_down(struct task_group *tg, void *data) { unsigned long load; + long cpu = (long)data; if (!tg->parent) { load = cpu_rq(cpu)->load.weight; @@ -1543,11 +1559,8 @@ tg_load_down(struct task_group *tg, int cpu, struct sched_domain *sd) } tg->cfs_rq[cpu]->h_load = load; -} -static void -tg_nop(struct task_group *tg, int cpu, struct sched_domain *sd) -{ + return 0; } static void update_shares(struct sched_domain *sd) @@ -1557,7 +1570,7 @@ static void update_shares(struct sched_domain *sd) if (elapsed >= (s64)(u64)sysctl_sched_shares_ratelimit) { sd->last_update = now; - walk_tg_tree(tg_nop, tg_shares_up, 0, sd); + walk_tg_tree(tg_nop, tg_shares_up, sd); } } @@ -1568,9 +1581,9 @@ static void update_shares_locked(struct rq *rq, struct sched_domain *sd) spin_lock(&rq->lock); } -static void update_h_load(int cpu) +static void update_h_load(long cpu) { - walk_tg_tree(tg_load_down, tg_nop, cpu, NULL); + walk_tg_tree(tg_load_down, tg_nop, (void *)cpu); } #else -- GitLab From 9a7e0b180da21885988d47558671cf580279f9d6 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 19 Aug 2008 12:33:06 +0200 Subject: [PATCH 0452/6244] sched: rt-bandwidth fixes The last patch allows sysctl_sched_rt_runtime to disable bandwidth accounting for the group scheduler - however it doesn't deal with sched_setscheduler(), which will keep tasks out of groups that have no assigned runtime. If we relax this, we get into the situation where RT tasks can get into a group when we disable bandwidth control, and then starve them by enabling it again. Rework the schedulability code to check for this condition and fail to turn on bandwidth control with -EBUSY when this situation is found. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched.c | 125 +++++++++++++++++++++++++------------------------ 1 file changed, 63 insertions(+), 62 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 8c019a19d052..e41bdae2778d 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -300,9 +300,9 @@ static DEFINE_PER_CPU(struct cfs_rq, init_cfs_rq) ____cacheline_aligned_in_smp; static DEFINE_PER_CPU(struct sched_rt_entity, init_sched_rt_entity); static DEFINE_PER_CPU(struct rt_rq, init_rt_rq) ____cacheline_aligned_in_smp; #endif /* CONFIG_RT_GROUP_SCHED */ -#else /* !CONFIG_FAIR_GROUP_SCHED */ +#else /* !CONFIG_USER_SCHED */ #define root_task_group init_task_group -#endif /* CONFIG_FAIR_GROUP_SCHED */ +#endif /* CONFIG_USER_SCHED */ /* task_group_lock serializes add/remove of task groups and also changes to * a task group's cpu shares. @@ -1387,7 +1387,7 @@ static inline void dec_cpu_load(struct rq *rq, unsigned long load) update_load_sub(&rq->load, load); } -#if (defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)) +#if (defined(CONFIG_SMP) && defined(CONFIG_FAIR_GROUP_SCHED)) || defined(SCHED_RT_GROUP_SCHED) typedef int (*tg_visitor)(struct task_group *, void *); /* @@ -5082,7 +5082,8 @@ recheck: * Do not allow realtime tasks into groups that have no runtime * assigned. */ - if (rt_policy(policy) && task_group(p)->rt_bandwidth.rt_runtime == 0) + if (rt_bandwidth_enabled() && rt_policy(policy) && + task_group(p)->rt_bandwidth.rt_runtime == 0) return -EPERM; #endif @@ -8707,73 +8708,77 @@ static DEFINE_MUTEX(rt_constraints_mutex); static unsigned long to_ratio(u64 period, u64 runtime) { if (runtime == RUNTIME_INF) - return 1ULL << 16; + return 1ULL << 20; - return div64_u64(runtime << 16, period); + return div64_u64(runtime << 20, period); } -#ifdef CONFIG_CGROUP_SCHED -static int __rt_schedulable(struct task_group *tg, u64 period, u64 runtime) +/* Must be called with tasklist_lock held */ +static inline int tg_has_rt_tasks(struct task_group *tg) { - struct task_group *tgi, *parent = tg->parent; - unsigned long total = 0; + struct task_struct *g, *p; - if (!parent) { - if (global_rt_period() < period) - return 0; + do_each_thread(g, p) { + if (rt_task(p) && rt_rq_of_se(&p->rt)->tg == tg) + return 1; + } while_each_thread(g, p); - return to_ratio(period, runtime) < - to_ratio(global_rt_period(), global_rt_runtime()); - } + return 0; +} - if (ktime_to_ns(parent->rt_bandwidth.rt_period) < period) - return 0; +struct rt_schedulable_data { + struct task_group *tg; + u64 rt_period; + u64 rt_runtime; +}; - rcu_read_lock(); - list_for_each_entry_rcu(tgi, &parent->children, siblings) { - if (tgi == tg) - continue; +static int tg_schedulable(struct task_group *tg, void *data) +{ + struct rt_schedulable_data *d = data; + struct task_group *child; + unsigned long total, sum = 0; + u64 period, runtime; + + period = ktime_to_ns(tg->rt_bandwidth.rt_period); + runtime = tg->rt_bandwidth.rt_runtime; - total += to_ratio(ktime_to_ns(tgi->rt_bandwidth.rt_period), - tgi->rt_bandwidth.rt_runtime); + if (tg == d->tg) { + period = d->rt_period; + runtime = d->rt_runtime; } - rcu_read_unlock(); - return total + to_ratio(period, runtime) <= - to_ratio(ktime_to_ns(parent->rt_bandwidth.rt_period), - parent->rt_bandwidth.rt_runtime); -} -#elif defined CONFIG_USER_SCHED -static int __rt_schedulable(struct task_group *tg, u64 period, u64 runtime) -{ - struct task_group *tgi; - unsigned long total = 0; - unsigned long global_ratio = - to_ratio(global_rt_period(), global_rt_runtime()); + if (rt_bandwidth_enabled() && !runtime && tg_has_rt_tasks(tg)) + return -EBUSY; - rcu_read_lock(); - list_for_each_entry_rcu(tgi, &task_groups, list) { - if (tgi == tg) - continue; + total = to_ratio(period, runtime); - total += to_ratio(ktime_to_ns(tgi->rt_bandwidth.rt_period), - tgi->rt_bandwidth.rt_runtime); + list_for_each_entry_rcu(child, &tg->children, siblings) { + period = ktime_to_ns(child->rt_bandwidth.rt_period); + runtime = child->rt_bandwidth.rt_runtime; + + if (child == d->tg) { + period = d->rt_period; + runtime = d->rt_runtime; + } + + sum += to_ratio(period, runtime); } - rcu_read_unlock(); - return total + to_ratio(period, runtime) < global_ratio; + if (sum > total) + return -EINVAL; + + return 0; } -#endif -/* Must be called with tasklist_lock held */ -static inline int tg_has_rt_tasks(struct task_group *tg) +static int __rt_schedulable(struct task_group *tg, u64 period, u64 runtime) { - struct task_struct *g, *p; - do_each_thread(g, p) { - if (rt_task(p) && rt_rq_of_se(&p->rt)->tg == tg) - return 1; - } while_each_thread(g, p); - return 0; + struct rt_schedulable_data data = { + .tg = tg, + .rt_period = period, + .rt_runtime = runtime, + }; + + return walk_tg_tree(tg_schedulable, tg_nop, &data); } static int tg_set_bandwidth(struct task_group *tg, @@ -8783,14 +8788,9 @@ static int tg_set_bandwidth(struct task_group *tg, mutex_lock(&rt_constraints_mutex); read_lock(&tasklist_lock); - if (rt_runtime == 0 && tg_has_rt_tasks(tg)) { - err = -EBUSY; + err = __rt_schedulable(tg, rt_period, rt_runtime); + if (err) goto unlock; - } - if (!__rt_schedulable(tg, rt_period, rt_runtime)) { - err = -EINVAL; - goto unlock; - } spin_lock_irq(&tg->rt_bandwidth.rt_runtime_lock); tg->rt_bandwidth.rt_period = ns_to_ktime(rt_period); @@ -8867,8 +8867,9 @@ static int sched_rt_global_constraints(void) rt_runtime = tg->rt_bandwidth.rt_runtime; mutex_lock(&rt_constraints_mutex); - if (!__rt_schedulable(tg, rt_period, rt_runtime)) - ret = -EINVAL; + read_lock(&tasklist_lock); + ret = __rt_schedulable(tg, rt_period, rt_runtime); + read_unlock(&tasklist_lock); mutex_unlock(&rt_constraints_mutex); return ret; -- GitLab From 7dc964148c2850e5df84fc17807ba48edb628c88 Mon Sep 17 00:00:00 2001 From: Ian Molton Date: Tue, 19 Aug 2008 12:14:21 +0100 Subject: [PATCH 0453/6244] [ARM] eseries: Split machine definitions This patchset breaks out the e-series machine definitions into one-per-machine. Signed-off-by: Ian Molton --- arch/arm/mach-pxa/Makefile | 10 ++- arch/arm/mach-pxa/e330.c | 36 +++++++++ arch/arm/mach-pxa/e350.c | 36 +++++++++ arch/arm/mach-pxa/e400.c | 60 ++++++++++++++ arch/arm/mach-pxa/e740.c | 81 +++++++++++++++++++ arch/arm/mach-pxa/e750.c | 36 +++++++++ arch/arm/mach-pxa/e800.c | 36 +++++++++ arch/arm/mach-pxa/eseries.c | 151 +----------------------------------- arch/arm/mach-pxa/eseries.h | 3 + 9 files changed, 295 insertions(+), 154 deletions(-) create mode 100644 arch/arm/mach-pxa/e330.c create mode 100644 arch/arm/mach-pxa/e350.c create mode 100644 arch/arm/mach-pxa/e400.c create mode 100644 arch/arm/mach-pxa/e740.c create mode 100644 arch/arm/mach-pxa/e750.c create mode 100644 arch/arm/mach-pxa/e800.c create mode 100644 arch/arm/mach-pxa/eseries.h diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 99ecbe7f8506..38db581b9fc5 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -38,10 +38,12 @@ obj-$(CONFIG_MACH_TOSA) += tosa.o obj-$(CONFIG_MACH_EM_X270) += em-x270.o obj-$(CONFIG_MACH_MAGICIAN) += magician.o obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o eseries_udc.o -obj-$(CONFIG_MACH_E740) += e740_lcd.o -obj-$(CONFIG_MACH_E750) += e750_lcd.o -obj-$(CONFIG_MACH_E400) += e400_lcd.o -obj-$(CONFIG_MACH_E800) += e800_lcd.o +obj-$(CONFIG_MACH_E330) += e330.o +obj-$(CONFIG_MACH_E350) += e350.o +obj-$(CONFIG_MACH_E740) += e740.o e740_lcd.o +obj-$(CONFIG_MACH_E750) += e750.o e750_lcd.o +obj-$(CONFIG_MACH_E400) += e400.o e400_lcd.o +obj-$(CONFIG_MACH_E800) += e800.o e800_lcd.o obj-$(CONFIG_MACH_PALMTX) += palmtx.o ifeq ($(CONFIG_MACH_ZYLONITE),y) diff --git a/arch/arm/mach-pxa/e330.c b/arch/arm/mach-pxa/e330.c new file mode 100644 index 000000000000..2f4555e2fb91 --- /dev/null +++ b/arch/arm/mach-pxa/e330.c @@ -0,0 +1,36 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +MACHINE_START(E330, "Toshiba e330") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/e350.c b/arch/arm/mach-pxa/e350.c new file mode 100644 index 000000000000..5d58deb7eff8 --- /dev/null +++ b/arch/arm/mach-pxa/e350.c @@ -0,0 +1,36 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +MACHINE_START(E350, "Toshiba e350") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/e400.c b/arch/arm/mach-pxa/e400.c new file mode 100644 index 000000000000..405e6dcfc3ce --- /dev/null +++ b/arch/arm/mach-pxa/e400.c @@ -0,0 +1,60 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +static unsigned long e400_pin_config[] __initdata = { + /* Chip selects */ + GPIO15_nCS_1, /* CS1 - Flash */ + GPIO80_nCS_4, /* CS4 - TMIO */ + + /* Clocks */ + GPIO12_32KHz, + + /* BTUART */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_GPIO, /* Used by TMIO for #SUSPEND */ + + /* wakeup */ + GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, +}; + +static void __init e400_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(e400_pin_config)); +} + +MACHINE_START(E400, "Toshiba e400") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .init_machine = e400_init, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/e740.c b/arch/arm/mach-pxa/e740.c new file mode 100644 index 000000000000..560a8a2ebff0 --- /dev/null +++ b/arch/arm/mach-pxa/e740.c @@ -0,0 +1,81 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +static unsigned long e740_pin_config[] __initdata = { + /* Chip selects */ + GPIO15_nCS_1, /* CS1 - Flash */ + GPIO79_nCS_3, /* CS3 - IMAGEON */ + GPIO80_nCS_4, /* CS4 - TMIO */ + + /* Clocks */ + GPIO12_32KHz, + + /* BTUART */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_GPIO, /* Used by TMIO for #SUSPEND */ + + /* PC Card */ + GPIO8_GPIO, /* CD0 */ + GPIO44_GPIO, /* CD1 */ + GPIO11_GPIO, /* IRQ0 */ + GPIO6_GPIO, /* IRQ1 */ + GPIO27_GPIO, /* RST0 */ + GPIO24_GPIO, /* RST1 */ + GPIO20_GPIO, /* PWR0 */ + GPIO23_GPIO, /* PWR1 */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO52_nPCE_1, + GPIO53_nPCE_2, + GPIO54_nPSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + + /* wakeup */ + GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, +}; + +static void __init e740_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(e740_pin_config)); +} + +MACHINE_START(E740, "Toshiba e740") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .init_machine = e740_init, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c new file mode 100644 index 000000000000..bb6f814d5642 --- /dev/null +++ b/arch/arm/mach-pxa/e750.c @@ -0,0 +1,36 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +MACHINE_START(E750, "Toshiba e750") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/e800.c b/arch/arm/mach-pxa/e800.c new file mode 100644 index 000000000000..77ebe91c3e65 --- /dev/null +++ b/arch/arm/mach-pxa/e800.c @@ -0,0 +1,36 @@ +/* + * Hardware definitions for the Toshiba eseries PDAs + * + * Copyright (c) 2003 Ian Molton + * + * This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + * + */ + +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" +#include "eseries.h" + +MACHINE_START(E800, "Toshiba e800") + /* Maintainer: Ian Molton (spyro@f2s.com) */ + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa25x_init_irq, + .fixup = eseries_fixup, + .timer = &pxa_timer, +MACHINE_END + diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c index 001a252bd514..1872faa11a27 100644 --- a/arch/arm/mach-pxa/eseries.c +++ b/arch/arm/mach-pxa/eseries.c @@ -22,65 +22,8 @@ #include "generic.h" -static unsigned long e740_pin_config[] __initdata = { - /* Chip selects */ - GPIO15_nCS_1, /* CS1 - Flash */ - GPIO79_nCS_3, /* CS3 - IMAGEON */ - GPIO80_nCS_4, /* CS4 - TMIO */ - - /* Clocks */ - GPIO12_32KHz, - - /* BTUART */ - GPIO42_BTUART_RXD, - GPIO43_BTUART_TXD, - GPIO44_BTUART_CTS, - GPIO45_GPIO, /* Used by TMIO for #SUSPEND */ - - /* PC Card */ - GPIO8_GPIO, /* CD0 */ - GPIO44_GPIO, /* CD1 */ - GPIO11_GPIO, /* IRQ0 */ - GPIO6_GPIO, /* IRQ1 */ - GPIO27_GPIO, /* RST0 */ - GPIO24_GPIO, /* RST1 */ - GPIO20_GPIO, /* PWR0 */ - GPIO23_GPIO, /* PWR1 */ - GPIO48_nPOE, - GPIO49_nPWE, - GPIO50_nPIOR, - GPIO51_nPIOW, - GPIO52_nPCE_1, - GPIO53_nPCE_2, - GPIO54_nPSKTSEL, - GPIO55_nPREG, - GPIO56_nPWAIT, - GPIO57_nIOIS16, - - /* wakeup */ - GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, -}; - -static unsigned long e400_pin_config[] __initdata = { - /* Chip selects */ - GPIO15_nCS_1, /* CS1 - Flash */ - GPIO80_nCS_4, /* CS4 - TMIO */ - - /* Clocks */ - GPIO12_32KHz, - - /* BTUART */ - GPIO42_BTUART_RXD, - GPIO43_BTUART_TXD, - GPIO44_BTUART_CTS, - GPIO45_GPIO, /* Used by TMIO for #SUSPEND */ - - /* wakeup */ - GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, -}; - /* Only e800 has 128MB RAM */ -static void __init eseries_fixup(struct machine_desc *desc, +void __init eseries_fixup(struct machine_desc *desc, struct tag *tags, char **cmdline, struct meminfo *mi) { mi->nr_banks=1; @@ -92,95 +35,3 @@ static void __init eseries_fixup(struct machine_desc *desc, mi->bank[0].size = (64*1024*1024); } -static void __init e740_init(void) -{ - pxa2xx_mfp_config(ARRAY_AND_SIZE(e740_pin_config)); -} - -static void __init e400_init(void) -{ - pxa2xx_mfp_config(ARRAY_AND_SIZE(e400_pin_config)); -} - -/* e-series machine definitions */ - -#ifdef CONFIG_MACH_E330 -MACHINE_START(E330, "Toshiba e330") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .timer = &pxa_timer, -MACHINE_END -#endif - -#ifdef CONFIG_MACH_E350 -MACHINE_START(E350, "Toshiba e350") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .timer = &pxa_timer, -MACHINE_END -#endif - -#ifdef CONFIG_MACH_E740 -MACHINE_START(E740, "Toshiba e740") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .init_machine = e740_init, - .timer = &pxa_timer, -MACHINE_END -#endif - -#ifdef CONFIG_MACH_E750 -MACHINE_START(E750, "Toshiba e750") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .timer = &pxa_timer, -MACHINE_END -#endif - -#ifdef CONFIG_MACH_E400 -MACHINE_START(E400, "Toshiba e400") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .init_machine = e400_init, - .timer = &pxa_timer, -MACHINE_END -#endif - -#ifdef CONFIG_MACH_E800 -MACHINE_START(E800, "Toshiba e800") - /* Maintainer: Ian Molton (spyro@f2s.com) */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .boot_params = 0xa0000100, - .map_io = pxa_map_io, - .init_irq = pxa25x_init_irq, - .fixup = eseries_fixup, - .timer = &pxa_timer, -MACHINE_END -#endif - diff --git a/arch/arm/mach-pxa/eseries.h b/arch/arm/mach-pxa/eseries.h new file mode 100644 index 000000000000..bc74e21d054a --- /dev/null +++ b/arch/arm/mach-pxa/eseries.h @@ -0,0 +1,3 @@ +void __init eseries_fixup(struct machine_desc *desc, + struct tag *tags, char **cmdline, struct meminfo *mi); + -- GitLab From 0ec3cf69304d2e35ad29da3aa9ab43c3dd97677c Mon Sep 17 00:00:00 2001 From: Ian Molton Date: Tue, 19 Aug 2008 13:01:28 +0100 Subject: [PATCH 0454/6244] [ARM] eseries: move LCD defs into machine files This patch removes the seperate files used for the LCD definitions on e-series and places the definitions into the machine specific files. Signed-off-by: Ian Molton --- arch/arm/mach-pxa/Makefile | 8 +- arch/arm/mach-pxa/e400.c | 32 +++++++ arch/arm/mach-pxa/e400_lcd.c | 56 ------------ arch/arm/mach-pxa/e740.c | 86 +++++++++++++++++++ arch/arm/mach-pxa/e740_lcd.c | 123 --------------------------- arch/arm/mach-pxa/e750.c | 88 +++++++++++++++++++ arch/arm/mach-pxa/e750_lcd.c | 109 ------------------------ arch/arm/mach-pxa/e800.c | 139 ++++++++++++++++++++++++++++++ arch/arm/mach-pxa/e800_lcd.c | 159 ----------------------------------- 9 files changed, 349 insertions(+), 451 deletions(-) delete mode 100644 arch/arm/mach-pxa/e400_lcd.c delete mode 100644 arch/arm/mach-pxa/e740_lcd.c delete mode 100644 arch/arm/mach-pxa/e750_lcd.c delete mode 100644 arch/arm/mach-pxa/e800_lcd.c diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 38db581b9fc5..b536a50c150e 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -40,10 +40,10 @@ obj-$(CONFIG_MACH_MAGICIAN) += magician.o obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o eseries_udc.o obj-$(CONFIG_MACH_E330) += e330.o obj-$(CONFIG_MACH_E350) += e350.o -obj-$(CONFIG_MACH_E740) += e740.o e740_lcd.o -obj-$(CONFIG_MACH_E750) += e750.o e750_lcd.o -obj-$(CONFIG_MACH_E400) += e400.o e400_lcd.o -obj-$(CONFIG_MACH_E800) += e800.o e800_lcd.o +obj-$(CONFIG_MACH_E740) += e740.o +obj-$(CONFIG_MACH_E750) += e750.o +obj-$(CONFIG_MACH_E400) += e400.o +obj-$(CONFIG_MACH_E800) += e800.o obj-$(CONFIG_MACH_PALMTX) += palmtx.o ifeq ($(CONFIG_MACH_ZYLONITE),y) diff --git a/arch/arm/mach-pxa/e400.c b/arch/arm/mach-pxa/e400.c index 405e6dcfc3ce..0bcf9ece3d33 100644 --- a/arch/arm/mach-pxa/e400.c +++ b/arch/arm/mach-pxa/e400.c @@ -17,12 +17,41 @@ #include #include +#include #include #include +#include + #include "generic.h" #include "eseries.h" +/* ------------------------ E400 LCD definitions ------------------------ */ + +static struct pxafb_mode_info e400_pxafb_mode_info = { + .pixclock = 140703, + .xres = 240, + .yres = 320, + .bpp = 16, + .hsync_len = 4, + .left_margin = 28, + .right_margin = 8, + .vsync_len = 3, + .upper_margin = 5, + .lower_margin = 6, + .sync = 0, +}; + +static struct pxafb_mach_info e400_pxafb_mach_info = { + .modes = &e400_pxafb_mode_info, + .num_modes = 1, + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = 0, + .pxafb_backlight_power = NULL, +}; + +/* ------------------------ E400 MFP config ----------------------------- */ + static unsigned long e400_pin_config[] __initdata = { /* Chip selects */ GPIO15_nCS_1, /* CS1 - Flash */ @@ -41,9 +70,12 @@ static unsigned long e400_pin_config[] __initdata = { GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, }; +/* ---------------------------------------------------------------------- */ + static void __init e400_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(e400_pin_config)); + set_pxa_fb_info(&e400_pxafb_mach_info); } MACHINE_START(E400, "Toshiba e400") diff --git a/arch/arm/mach-pxa/e400_lcd.c b/arch/arm/mach-pxa/e400_lcd.c deleted file mode 100644 index 263884165f57..000000000000 --- a/arch/arm/mach-pxa/e400_lcd.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * e400_lcd.c - * - * (c) 2005 Ian Molton - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include -#include -#include - -#include -#include -#include - -static struct pxafb_mode_info e400_pxafb_mode_info = { - .pixclock = 140703, - .xres = 240, - .yres = 320, - .bpp = 16, - .hsync_len = 4, - .left_margin = 28, - .right_margin = 8, - .vsync_len = 3, - .upper_margin = 5, - .lower_margin = 6, - .sync = 0, -}; - -static struct pxafb_mach_info e400_pxafb_mach_info = { - .modes = &e400_pxafb_mode_info, - .num_modes = 1, - .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, - .lccr3 = 0, - .pxafb_backlight_power = NULL, -}; - -static int __init e400_lcd_init(void) -{ - if (!machine_is_e400()) - return -ENODEV; - - set_pxa_fb_info(&e400_pxafb_mach_info); - return 0; -} - -module_init(e400_lcd_init); - -MODULE_AUTHOR("Ian Molton "); -MODULE_DESCRIPTION("e400 lcd driver"); -MODULE_LICENSE("GPLv2"); - diff --git a/arch/arm/mach-pxa/e740.c b/arch/arm/mach-pxa/e740.c index 560a8a2ebff0..ef0c3c80e791 100644 --- a/arch/arm/mach-pxa/e740.c +++ b/arch/arm/mach-pxa/e740.c @@ -12,6 +12,11 @@ #include #include +#include +#include +#include + +#include -!Finclude/net/mac80211.h ieee80211_if_types !Finclude/net/mac80211.h ieee80211_if_init_conf !Finclude/net/mac80211.h ieee80211_if_conf @@ -177,8 +176,7 @@ usage should require reading the full document. functions/definitions !Finclude/net/mac80211.h ieee80211_rx_status !Finclude/net/mac80211.h mac80211_rx_flags -!Finclude/net/mac80211.h ieee80211_tx_control -!Finclude/net/mac80211.h ieee80211_tx_status_flags +!Finclude/net/mac80211.h ieee80211_tx_info !Finclude/net/mac80211.h ieee80211_rx !Finclude/net/mac80211.h ieee80211_rx_irqsafe !Finclude/net/mac80211.h ieee80211_tx_status @@ -189,12 +187,11 @@ usage should require reading the full document. !Finclude/net/mac80211.h ieee80211_ctstoself_duration !Finclude/net/mac80211.h ieee80211_generic_frame_duration !Finclude/net/mac80211.h ieee80211_get_hdrlen_from_skb -!Finclude/net/mac80211.h ieee80211_get_hdrlen +!Finclude/net/mac80211.h ieee80211_hdrlen !Finclude/net/mac80211.h ieee80211_wake_queue !Finclude/net/mac80211.h ieee80211_stop_queue -!Finclude/net/mac80211.h ieee80211_start_queues -!Finclude/net/mac80211.h ieee80211_stop_queues !Finclude/net/mac80211.h ieee80211_wake_queues +!Finclude/net/mac80211.h ieee80211_stop_queues @@ -230,8 +227,7 @@ usage should require reading the full document. Multiple queues and QoS support TBD !Finclude/net/mac80211.h ieee80211_tx_queue_params -!Finclude/net/mac80211.h ieee80211_tx_queue_stats_data -!Finclude/net/mac80211.h ieee80211_tx_queue +!Finclude/net/mac80211.h ieee80211_tx_queue_stats -- GitLab From c1b6cf4ee0fb8a3698c563e101a60f9ee4910de0 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 12 Sep 2008 11:05:39 +0200 Subject: [PATCH 1829/6244] mac80211: remove beacon counters The beacon counters mac80211 keeps are only used for debugfs, unfortunately, they are incorrect for many hardware designs, namely any design that has a beacon template. Hence, remove the counters so we don't create the impression they are usable. This also allows removing the beacon MESH #ifdef again. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/debugfs_netdev.c | 6 ------ net/mac80211/ieee80211_i.h | 5 ----- net/mac80211/tx.c | 9 --------- 3 files changed, 20 deletions(-) diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 1b33cad24abc..2a4515623776 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -173,7 +173,6 @@ IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC); IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX); IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC); IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC); -IEEE80211_IF_FILE(num_beacons_sta, u.sta.num_beacons, DEC); static ssize_t ieee80211_if_fmt_flags( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) @@ -192,7 +191,6 @@ __IEEE80211_IF_FILE(flags); /* AP attributes */ IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); -IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC); static ssize_t ieee80211_if_fmt_num_buffered_multicast( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) @@ -265,7 +263,6 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_ADD(auth_alg, sta); DEBUGFS_ADD(auth_transaction, sta); DEBUGFS_ADD(flags, sta); - DEBUGFS_ADD(num_beacons_sta, sta); } static void add_ap_files(struct ieee80211_sub_if_data *sdata) @@ -276,7 +273,6 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_ADD(num_sta_ps, ap); DEBUGFS_ADD(dtim_count, ap); - DEBUGFS_ADD(num_beacons, ap); DEBUGFS_ADD(num_buffered_multicast, ap); } @@ -398,7 +394,6 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_DEL(auth_alg, sta); DEBUGFS_DEL(auth_transaction, sta); DEBUGFS_DEL(flags, sta); - DEBUGFS_DEL(num_beacons_sta, sta); } static void del_ap_files(struct ieee80211_sub_if_data *sdata) @@ -409,7 +404,6 @@ static void del_ap_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_DEL(num_sta_ps, ap); DEBUGFS_DEL(dtim_count, ap); - DEBUGFS_DEL(num_beacons, ap); DEBUGFS_DEL(num_buffered_multicast, ap); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 6bd6a6306da3..3912fba6d3d0 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -229,7 +229,6 @@ struct ieee80211_if_ap { struct sk_buff_head ps_bc_buf; atomic_t num_sta_ps; /* number of stations in PS mode */ int dtim_count; - int num_beacons; /* number of TXed beacon frames for this BSS */ }; struct ieee80211_if_wds { @@ -352,7 +351,6 @@ struct ieee80211_if_sta { u32 supp_rates_bits[IEEE80211_NUM_BANDS]; int wmm_last_param_set; - int num_beacons; /* number of TXed beacon frames by this STA */ }; struct ieee80211_if_mesh { @@ -388,7 +386,6 @@ struct ieee80211_if_mesh { struct mesh_config mshcfg; u32 mesh_seqnum; bool accepting_plinks; - int num_beacons; }; #ifdef CONFIG_MAC80211_MESH @@ -484,7 +481,6 @@ struct ieee80211_sub_if_data { struct dentry *auth_alg; struct dentry *auth_transaction; struct dentry *flags; - struct dentry *num_beacons_sta; struct dentry *force_unicast_rateidx; struct dentry *max_ratectrl_rateidx; } sta; @@ -492,7 +488,6 @@ struct ieee80211_sub_if_data { struct dentry *drop_unencrypted; struct dentry *num_sta_ps; struct dentry *dtim_count; - struct dentry *num_beacons; struct dentry *force_unicast_rateidx; struct dentry *max_ratectrl_rateidx; struct dentry *num_buffered_multicast; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index c12f361d7185..d136a371e6bd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1864,7 +1864,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct rate_selection rsel; struct beacon_data *beacon; struct ieee80211_supported_band *sband; - int *num_beacons; enum ieee80211_band band = local->hw.conf.channel->band; sband = local->hw.wiphy->bands[band]; @@ -1912,8 +1911,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, if (beacon->tail) memcpy(skb_put(skb, beacon->tail_len), beacon->tail, beacon->tail_len); - - num_beacons = &ap->num_beacons; } else goto out; } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { @@ -1931,8 +1928,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); - num_beacons = &ifsta->num_beacons; -#ifdef CONFIG_MAC80211_MESH } else if (ieee80211_vif_is_mesh(&sdata->vif)) { struct ieee80211_mgmt *mgmt; u8 *pos; @@ -1960,9 +1955,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, *pos++ = 0x0; mesh_mgmt_ies_add(skb, sdata); - - num_beacons = &sdata->u.mesh.num_beacons; -#endif } else { WARN_ON(1); goto out; @@ -1999,7 +1991,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, info->antenna_sel_tx = local->hw.conf.antenna_sel_tx; info->control.retry_limit = 1; - (*num_beacons)++; out: rcu_read_unlock(); return skb; -- GitLab From 538df283c185c477dbdafafa9652c33e9742de75 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 12 Sep 2008 15:22:53 +0200 Subject: [PATCH 1830/6244] mac80211: remove debug frame dumping You can just pull up a monitor interface to get much more detailed information, or, when debugging a driver, insert dump code into the driver (which usually you will have to do anyway to dump the driver-specific information). Hence this option is useless. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/Kconfig | 13 ------------- net/mac80211/tx.c | 42 ------------------------------------------ 2 files changed, 55 deletions(-) diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 80d693392b0f..8427518e4f20 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -179,19 +179,6 @@ config MAC80211_VERBOSE_MPL_DEBUG Do not select this option. -config MAC80211_LOWTX_FRAME_DUMP - bool "Debug frame dumping" - depends on MAC80211_DEBUG_MENU - ---help--- - Selecting this option will cause the stack to - print a message for each frame that is handed - to the lowlevel driver for transmission. This - message includes all MAC addresses and the - frame control field. - - If unsure, say N and insert the debugging code - you require into the driver you are debugging. - config MAC80211_DEBUG_COUNTERS bool "Extra statistics for TX/RX debugging" depends on MAC80211_DEBUG_MENU diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index d136a371e6bd..20d683641b42 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -38,43 +38,6 @@ /* misc utils */ -#ifdef CONFIG_MAC80211_LOWTX_FRAME_DUMP -static void ieee80211_dump_frame(const char *ifname, const char *title, - const struct sk_buff *skb) -{ - const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - unsigned int hdrlen; - DECLARE_MAC_BUF(mac); - - printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len); - if (skb->len < 4) { - printk("\n"); - return; - } - - hdrlen = ieee80211_hdrlen(hdr->frame_control); - if (hdrlen > skb->len) - hdrlen = skb->len; - if (hdrlen >= 4) - printk(" FC=0x%04x DUR=0x%04x", - le16_to_cpu(hdr->frame_control), le16_to_cpu(hdr->duration_id)); - if (hdrlen >= 10) - printk(" A1=%s", print_mac(mac, hdr->addr1)); - if (hdrlen >= 16) - printk(" A2=%s", print_mac(mac, hdr->addr2)); - if (hdrlen >= 24) - printk(" A3=%s", print_mac(mac, hdr->addr3)); - if (hdrlen >= 30) - printk(" A4=%s", print_mac(mac, hdr->addr4)); - printk("\n"); -} -#else /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */ -static inline void ieee80211_dump_frame(const char *ifname, const char *title, - struct sk_buff *skb) -{ -} -#endif /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */ - static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, int next_frag_len) { @@ -1068,8 +1031,6 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, return IEEE80211_TX_AGAIN; info = IEEE80211_SKB_CB(skb); - ieee80211_dump_frame(wiphy_name(local->hw.wiphy), - "TX to low-level driver", skb); ret = local->ops->tx(local_to_hw(local), skb); if (ret) return IEEE80211_TX_AGAIN; @@ -1099,9 +1060,6 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; } - ieee80211_dump_frame(wiphy_name(local->hw.wiphy), - "TX to low-level driver", - tx->extra_frag[i]); ret = local->ops->tx(local_to_hw(local), tx->extra_frag[i]); if (ret) -- GitLab From e16ce63c893ff7ccb314d2fbdafbbc915b64d173 Mon Sep 17 00:00:00 2001 From: Abhijeet Kolekar Date: Fri, 12 Sep 2008 13:44:08 -0700 Subject: [PATCH 1831/6244] mac80211 : Fix mode change hard_start_xmit function When monitor mode is changed to BSS or IBSS, data trasnfer can not happen because proper transmit function is not assigend for BSS ,IBSS mode. This patch fixes this problem by assigning the ieee80211_subif_start_xmit to device's hard_start_xmit function. Signed-off-by: Abhijeet Kolekar Acked-by: Zhu Yi Acked-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/iface.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index a7ef0289fbdb..a72fbebb8ea2 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -624,6 +624,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata, /* and set some type-dependent values */ sdata->vif.type = type; + sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit; /* only monitor differs */ sdata->dev->type = ARPHRD_ETHER; -- GitLab From 75d31cf19fe8f86b4612561c94dfbb6d8a472ba3 Mon Sep 17 00:00:00 2001 From: David Kilroy Date: Fri, 12 Sep 2008 22:28:18 +0100 Subject: [PATCH 1832/6244] orinoco: Fix compile warnings Use min_t to avoid warnings when the typesafe version is used. Explicitly cast u64s to unsigned long long when being passed to printk. Signed-off-by: David Kilroy Signed-off-by: John W. Linville --- drivers/net/wireless/orinoco.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index ec0451cbb8e1..9a2fcc0163d6 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -4777,14 +4777,14 @@ static int orinoco_ioctl_get_encodeext(struct net_device *dev, encoding->flags |= IW_ENCODE_DISABLED; break; case IW_ENCODE_ALG_WEP: - ext->key_len = min(le16_to_cpu(priv->keys[idx].len), - (u16) max_key_len); + ext->key_len = min_t(u16, le16_to_cpu(priv->keys[idx].len), + max_key_len); memcpy(ext->key, priv->keys[idx].data, ext->key_len); encoding->flags |= IW_ENCODE_ENABLED; break; case IW_ENCODE_ALG_TKIP: - ext->key_len = min((u16) sizeof(struct orinoco_tkip_key), - (u16) max_key_len); + ext->key_len = min_t(u16, sizeof(struct orinoco_tkip_key), + max_key_len); memcpy(ext->key, &priv->tkip_key[idx], ext->key_len); encoding->flags |= IW_ENCODE_ENABLED; break; @@ -5686,9 +5686,9 @@ static inline char *orinoco_translate_ext_scan(struct net_device *dev, /* Timestamp */ iwe.cmd = IWEVCUSTOM; - iwe.u.data.length = snprintf(custom, MAX_CUSTOM_LEN, - "tsf=%016llx", - le64_to_cpu(bss->timestamp)); + iwe.u.data.length = + snprintf(custom, MAX_CUSTOM_LEN, "tsf=%016llx", + (unsigned long long) le64_to_cpu(bss->timestamp)); if (iwe.u.data.length) current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, custom); -- GitLab From 375da53b8e5e3ff2330b66b377e07a6151a93fe5 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Mon, 15 Sep 2008 17:25:54 -0400 Subject: [PATCH 1833/6244] libertas: correct "limited range of data type" warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CC [M] drivers/net/wireless/libertas/wext.o drivers/net/wireless/libertas/wext.c: In function ‘lbs_get_rts’: drivers/net/wireless/libertas/wext.c:307: warning: comparison is always false due to limited range of data type Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/wext.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index 1156be53df3f..11297dcf9fc3 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -281,7 +281,7 @@ static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info, if (vwrq->disabled) val = MRVDRV_RTS_MAX_VALUE; - if (val < MRVDRV_RTS_MIN_VALUE || val > MRVDRV_RTS_MAX_VALUE) + if (val > MRVDRV_RTS_MAX_VALUE) /* min rts value is 0 */ return -EINVAL; ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, (u16) val); @@ -304,8 +304,7 @@ static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info, goto out; vwrq->value = val; - vwrq->disabled = ((val < MRVDRV_RTS_MIN_VALUE) - || (val > MRVDRV_RTS_MAX_VALUE)); + vwrq->disabled = val > MRVDRV_RTS_MAX_VALUE; /* min rts value is 0 */ vwrq->fixed = 1; out: -- GitLab From 8afbc114542a6810b0a2e658abda6e911121cd22 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 25 Aug 2008 12:01:31 +0300 Subject: [PATCH 1834/6244] [MTD] [NAND] OMAP2: add retry after read timeout Very occasionally, (about one in a million) read operations are ongoing after the timeout has expired. So, retry three times while the ongoing bit remains set. Signed-off-by: Adrian Hunter Signed-off-by: David Woodhouse --- drivers/mtd/onenand/omap2.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 34b42533f4bb..8387e05daae2 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -187,16 +187,36 @@ retry: } } } else { + int retry_cnt = 0; + /* Turn interrupts off */ syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); syscfg &= ~ONENAND_SYS_CFG1_IOBE; write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); timeout = jiffies + msecs_to_jiffies(20); - while (time_before(jiffies, timeout)) { - intr = read_reg(c, ONENAND_REG_INTERRUPT); - if (intr & ONENAND_INT_MASTER) + while (1) { + if (time_before(jiffies, timeout)) { + intr = read_reg(c, ONENAND_REG_INTERRUPT); + if (intr & ONENAND_INT_MASTER) + break; + } else { + /* Timeout after 20ms */ + ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); + if (ctrl & ONENAND_CTRL_ONGO) { + /* + * The operation seems to be still going + * so give it some more time. + */ + retry_cnt += 1; + if (retry_cnt < 3) { + timeout = jiffies + + msecs_to_jiffies(20); + continue; + } + } break; + } } } -- GitLab From 5649b7c30316a51792808422ac03ee825d26aa5e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 16 Sep 2008 09:29:09 +0200 Subject: [PATCH 1835/6244] x86: add DMI quirk for AMI BIOS which corrupts address 0xc000 during resume Alan Jenkins and Andy Wettstein reported a suspend/resume memory corruption bug and extensively documented it here: http://bugzilla.kernel.org/show_bug.cgi?id=11237 The bug is that the BIOS overwrites 1K of memory at 0xc000 physical, without registering it in e820 as reserved or giving the kernel any idea about this. Detect AMI BIOSen and reserve that 1K. We paint this bug around with a very broad brush (reserving that 1K on all AMI BIOS systems), as the bug was extremely hard to find and needed several weeks and lots of debugging and patching. The bug was found via the CONFIG_X86_CHECK_BIOS_CORRUPTION=y debug feature, if similar bugs are suspected then this feature can be enabled on other systems as well to scan low memory for corrupted memory. Reported-by: Alan Jenkins Reported-by: Andy Wettstein Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index ec7e56c1b984..3109ca37a67c 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -729,6 +729,29 @@ void start_periodic_check_for_corruption(void) } #endif +static int __init dmi_low_memory_corruption(const struct dmi_system_id *d) +{ + printk(KERN_NOTICE + "%s detected: BIOS corrupts 0xc000, working it around.\n", + d->ident); + + reserve_early(0xc000, 0xc400, "BIOS quirk"); + + return 0; +} + +/* List of systems that have known low memory corruption BIOS problems */ +static struct dmi_system_id __initdata bad_bios_dmi_table[] = { + { + .callback = dmi_low_memory_corruption, + .ident = "AMI BIOS", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."), + }, + }, + {} +}; + /* * Determine if we were loaded by an EFI loader. If so, then we have also been * passed the efi memmap, systab, etc., so we should use these data structures @@ -752,6 +775,8 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Command line: %s\n", boot_command_line); #endif + dmi_check_system(bad_bios_dmi_table); + early_cpu_init(); early_ioremap_init(); @@ -1037,3 +1062,5 @@ void __init setup_arch(char **cmdline_p) #endif #endif } + + -- GitLab From 1e22436eba84edfec9c25e5a25d09062c4f91ca9 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 16 Sep 2008 09:58:02 +0200 Subject: [PATCH 1836/6244] x86: reserve low 64K on AMI and Phoenix BIOS boxen there's multiple reports about suspend/resume related low memory corruption in this bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=11237 the common pattern is that the corruption is caused by the BIOS, and that it affects some portion of the first 64K of physical RAM. So add a DMI quirk This will waste 64K RAM on 'good' systems too, but without knowing the exact nature of this BIOS memory corruption this is the safest approach. This might as well solve a wide range of suspend/resume breakages under Linux. Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 3109ca37a67c..33719544a224 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -732,10 +732,10 @@ void start_periodic_check_for_corruption(void) static int __init dmi_low_memory_corruption(const struct dmi_system_id *d) { printk(KERN_NOTICE - "%s detected: BIOS corrupts 0xc000, working it around.\n", + "%s detected: BIOS may corrupt low RAM, working it around.\n", d->ident); - reserve_early(0xc000, 0xc400, "BIOS quirk"); + reserve_early(0x0, 0x10000, "BIOS quirk"); return 0; } @@ -749,6 +749,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."), }, }, + { + .callback = dmi_low_memory_corruption, + .ident = "Phoenix BIOS", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"), + }, + }, {} }; -- GitLab From fc38151947477596aa27df6c4306ad6008dc6711 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 16 Sep 2008 10:07:34 +0200 Subject: [PATCH 1837/6244] x86: add X86_RESERVE_LOW_64K This bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=11237 Documents a wide range of systems where the BIOS utilizes the first 64K of physical memory during suspend/resume and other hardware events. Currently we reserve this memory on all AMI and Phoenix BIOS systems. Life is too short to hunt subtle memory corruption problems like this, so we try to be robust by default. Still, allow this to be overriden: allow users who want that first 64K of memory to be available to the kernel disable the quirk, via CONFIG_X86_RESERVE_LOW_64K=n. Also, allow the early reservation to overlap with other early reservations. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 20 ++++++++++++++++++++ arch/x86/kernel/setup.c | 4 +++- 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7820d447bb8d..633f25dd9ee2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1089,6 +1089,26 @@ config X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK Set whether the default state of memory_corruption_check is on or off. +config X86_RESERVE_LOW_64K + bool "Reserve low 64K of RAM on AMI/Phoenix BIOSen" + default y + help + Reserve the first 64K of physical RAM on BIOSes that are known + to potentially corrupt that memory range. A numbers of BIOSes are + known to utilize this area during suspend/resume, so it must not + be used by the kernel. + + Set this to N if you are absolutely sure that you trust the BIOS + to get all its memory reservations and usages right. + + If you have doubts about the BIOS (e.g. suspend/resume does not + work or there's kernel crashes after certain hardware hotplug + events) and it's not AMI or Phoenix, then you might want to enable + X86_CHECK_BIOS_CORRUPTION=y to allow the kernel to check typical + corruption patterns. + + Say Y if unsure. + config MATH_EMULATION bool prompt "Math emulation" if X86_32 diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 33719544a224..786c1886ae53 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -735,13 +735,14 @@ static int __init dmi_low_memory_corruption(const struct dmi_system_id *d) "%s detected: BIOS may corrupt low RAM, working it around.\n", d->ident); - reserve_early(0x0, 0x10000, "BIOS quirk"); + reserve_early_overlap_ok(0x0, 0x10000, "BIOS quirk"); return 0; } /* List of systems that have known low memory corruption BIOS problems */ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { +#ifdef CONFIG_X86_RESERVE_LOW_64K { .callback = dmi_low_memory_corruption, .ident = "AMI BIOS", @@ -757,6 +758,7 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { }, }, {} +#endif }; /* -- GitLab From e14d4af0c87af0be7f2d0e204e1922cf4fa3c19e Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Sat, 14 Jun 2008 21:02:04 +0200 Subject: [PATCH 1838/6244] powerpc: Add support for the MPC852 based mgsuvd board from keymile. Supported SMC1 (serial console), SCC3 Ethernet (10Mbps hdx). Signed-off-by: Heiko Schocher Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mgsuvd.dts | 163 +++++ arch/powerpc/configs/mgsuvd_defconfig | 872 ++++++++++++++++++++++++++ arch/powerpc/platforms/8xx/Kconfig | 6 + arch/powerpc/platforms/8xx/Makefile | 1 + arch/powerpc/platforms/8xx/mgsuvd.c | 92 +++ 5 files changed, 1134 insertions(+) create mode 100644 arch/powerpc/boot/dts/mgsuvd.dts create mode 100644 arch/powerpc/configs/mgsuvd_defconfig create mode 100644 arch/powerpc/platforms/8xx/mgsuvd.c diff --git a/arch/powerpc/boot/dts/mgsuvd.dts b/arch/powerpc/boot/dts/mgsuvd.dts new file mode 100644 index 000000000000..e4fc53ab42bd --- /dev/null +++ b/arch/powerpc/boot/dts/mgsuvd.dts @@ -0,0 +1,163 @@ +/* + * MGSUVD Device Tree Source + * + * Copyright 2008 DENX Software Engineering GmbH + * Heiko Schocher + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "MGSUVD"; + compatible = "keymile,mgsuvd"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,852@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <16>; + i-cache-line-size = <16>; + d-cache-size = <8192>; + i-cache-size = <8192>; + timebase-frequency = <0>; /* Filled in by u-boot */ + bus-frequency = <0>; /* Filled in by u-boot */ + clock-frequency = <0>; /* Filled in by u-boot */ + interrupts = <15 2>; /* decrementer interrupt */ + interrupt-parent = <&PIC>; + }; + }; + + memory { + device_type = "memory"; + reg = <00000000 0x4000000>; /* Filled in by u-boot */ + }; + + localbus@fff00100 { + compatible = "fsl,mpc852-localbus", "fsl,pq1-localbus", "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0xfff00100 0x40>; + + ranges = <0 0 0xf0000000 0x01000000>; /* Filled in by u-boot */ + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x1000000>; + #address-cells = <1>; + #size-cells = <1>; + bank-width = <1>; + device-width = <1>; + partition@0 { + label = "u-boot"; + reg = <0 0x80000>; + }; + partition@80000 { + label = "env"; + reg = <0x80000 0x20000>; + }; + partition@a0000 { + label = "kernel"; + reg = <0xa0000 0x1e0000>; + }; + partition@280000 { + label = "dtb"; + reg = <0x280000 0x20000>; + }; + partition@2a0000 { + label = "root"; + reg = <0x2a0000 0x500000>; + }; + partition@7a0000 { + label = "user"; + reg = <0x7a0000 0x860000>; + }; + }; + }; + + soc@fff00000 { + compatible = "fsl,mpc852", "fsl,pq1-soc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + device_type = "soc"; + ranges = <0 0xfff00000 0x00004000>; + + PIC: interrupt-controller@0 { + interrupt-controller; + #interrupt-cells = <2>; + reg = <0 24>; + compatible = "fsl,mpc852-pic", "fsl,pq1-pic"; + }; + + cpm@9c0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc852-cpm", "fsl,cpm1", "simple-bus"; + interrupts = <0>; /* cpm error interrupt */ + interrupt-parent = <&CPM_PIC>; + reg = <0x9c0 10>; + ranges; + + muram@2000 { + compatible = "fsl,cpm-muram"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x2000 0x2000>; + + data@0 { + compatible = "fsl,cpm-muram-data"; + reg = <0x800 0x1800>; + }; + }; + + brg@9f0 { + compatible = "fsl,mpc852-brg", + "fsl,cpm1-brg", + "fsl,cpm-brg"; + reg = <0x9f0 0x10>; + clock-frequency = <0>; /* Filled in by u-boot */ + }; + + CPM_PIC: interrupt-controller@930 { + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <5 2 0 2>; + interrupt-parent = <&PIC>; + reg = <0x930 0x20>; + compatible = "fsl,cpm1-pic"; + }; + + /* MON-1 */ + serial@a80 { + device_type = "serial"; + compatible = "fsl,cpm1-smc-uart"; + reg = <0xa80 0x10 0x3fc0 0x40>; + interrupts = <4>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-brg = <1>; + fsl,cpm-command = <0x0090>; + current-speed = <0>; /* Filled in by u-boot */ + }; + + ethernet@a40 { + device_type = "network"; + compatible = "fsl,mpc866-scc-enet", + "fsl,cpm1-scc-enet"; + reg = <0xa40 0x18 0x3e00 0x100>; + local-mac-address = [ 00 00 00 00 00 00 ]; /* Filled in by u-boot */ + interrupts = <28>; + interrupt-parent = <&CPM_PIC>; + fsl,cpm-command = <0x80>; + fixed-link = <0 0 10 0 0>; + }; + }; + }; +}; diff --git a/arch/powerpc/configs/mgsuvd_defconfig b/arch/powerpc/configs/mgsuvd_defconfig new file mode 100644 index 000000000000..3cd6ce4be827 --- /dev/null +++ b/arch/powerpc/configs/mgsuvd_defconfig @@ -0,0 +1,872 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26-rc2 +# Wed May 21 13:30:33 2008 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +# CONFIG_6xx is not set +# CONFIG_PPC_85xx is not set +CONFIG_PPC_8xx=y +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_8xx=y +# CONFIG_PPC_MM_SLICES is not set +CONFIG_NOT_COHERENT_CACHE=y +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +# CONFIG_DEFAULT_UIMAGE is not set +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_SWAP is not set +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=17 +# CONFIG_CGROUPS is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +# CONFIG_HOTPLUG is not set +CONFIG_PRINTK=y +# CONFIG_BUG is not set +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +# CONFIG_BASE_FULL is not set +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +# CONFIG_EPOLL is not set +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +# CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=1 +# CONFIG_MODULES is not set +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_CLASSIC_RCU=y + +# +# Platform support +# +# CONFIG_PPC_MPC512x is not set +# CONFIG_PPC_MPC5121 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +CONFIG_CPM1=y +# CONFIG_MPC8XXFADS is not set +# CONFIG_MPC86XADS is not set +# CONFIG_MPC885ADS is not set +# CONFIG_PPC_EP88XC is not set +# CONFIG_PPC_ADDER875 is not set +CONFIG_PPC_MGSUVD=y + +# +# MPC8xx CPM Options +# + +# +# Generic MPC8xx Options +# +CONFIG_8xx_COPYBACK=y +CONFIG_8xx_CPU6=y +CONFIG_8xx_CPU15=y +# CONFIG_NO_UCODE_PATCH is not set +# CONFIG_USB_SOF_UCODE_PATCH is not set +# CONFIG_I2C_SPI_UCODE_PATCH is not set +CONFIG_I2C_SPI_SMC1_UCODE_PATCH=y +CONFIG_UCODE_PATCH=y +# CONFIG_PQ2ADS is not set +# CONFIG_IPIC is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +CONFIG_PPC_CPM_NEW_BINDING=y +# CONFIG_FSL_ULI1575 is not set +CONFIG_CPM=y + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +# CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set +CONFIG_HZ_1000=y +CONFIG_HZ=1000 +# CONFIG_SCHED_HRTICK is not set +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_MATH_EMULATION=y +# CONFIG_IOMMU_HELPER is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_FORCE_MAX_ZONEORDER=11 +# CONFIG_PROC_DEVICETREE is not set +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_FSL_SOC=y +# CONFIG_PCI is not set +# CONFIG_PCI_DOMAINS is not set +# CONFIG_PCI_SYSCALL is not set +# CONFIG_PCI_QSPAN is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_HAS_RAPIDIO is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +CONFIG_TASK_SIZE=0x80000000 +CONFIG_CONSISTENT_START=0xfd000000 +CONFIG_CONSISTENT_SIZE=0x00200000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_OF_PARTS=y +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_NOSWAP=y +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_CFI_FLAGADM is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +CONFIG_OF_DEVICE=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_MISC_DEVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +CONFIG_FIXED_PHY=y +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_B44 is not set +CONFIG_FS_ENET=y +CONFIG_FS_ENET_HAS_SCC=y +# CONFIG_FS_ENET_HAS_FEC is not set +# CONFIG_FS_ENET_MDIO_FEC is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_CPM=y +CONFIG_SERIAL_CPM_CONSOLE=y +# CONFIG_SERIAL_CPM_SCC1 is not set +# CONFIG_SERIAL_CPM_SCC2 is not set +# CONFIG_SERIAL_CPM_SCC3 is not set +# CONFIG_SERIAL_CPM_SCC4 is not set +CONFIG_SERIAL_CPM_SMC1=y +# CONFIG_SERIAL_CPM_SMC2 is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +# CONFIG_I2C is not set +# CONFIG_SPI is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Sound +# +# CONFIG_SOUND is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_EDAC is not set +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +# CONFIG_EXT2_FS_POSIX_ACL is not set +# CONFIG_EXT2_FS_SECURITY is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +# CONFIG_PROC_KCORE is not set +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_SUNRPC_BIND34 is not set +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +# CONFIG_NLS is not set +# CONFIG_DLM is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +CONFIG_CRC_CCITT=y +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_SAMPLES is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_VIRQ_DEBUG is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y +# CONFIG_PPC_CLOCK is not set +CONFIG_PPC_LIB_RHEAP=y +# CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig index 71d7562e190b..48a920a98e7b 100644 --- a/arch/powerpc/platforms/8xx/Kconfig +++ b/arch/powerpc/platforms/8xx/Kconfig @@ -49,6 +49,12 @@ config PPC_ADDER875 This enables support for the Analogue & Micro Adder 875 board. +config PPC_MGSUVD + bool "MGSUVD" + select CPM1 + help + This enables support for the Keymile MGSUVD board. + endchoice menu "Freescale Ethernet driver platform-specific options" diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile index 7b71d9c8fb45..bdbfd7496018 100644 --- a/arch/powerpc/platforms/8xx/Makefile +++ b/arch/powerpc/platforms/8xx/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o obj-$(CONFIG_PPC_EP88XC) += ep88xc.o obj-$(CONFIG_PPC_ADDER875) += adder875.o +obj-$(CONFIG_PPC_MGSUVD) += mgsuvd.o diff --git a/arch/powerpc/platforms/8xx/mgsuvd.c b/arch/powerpc/platforms/8xx/mgsuvd.c new file mode 100644 index 000000000000..ca3cb071772c --- /dev/null +++ b/arch/powerpc/platforms/8xx/mgsuvd.c @@ -0,0 +1,92 @@ +/* + * + * Platform setup for the Keymile mgsuvd board + * + * Heiko Schocher + * + * Copyright 2008 DENX Software Engineering GmbH + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "mpc8xx.h" + +struct cpm_pin { + int port, pin, flags; +}; + +static __initdata struct cpm_pin mgsuvd_pins[] = { + /* SMC1 */ + {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */ + {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */ + + /* SCC3 */ + {CPM_PORTA, 10, CPM_PIN_INPUT}, + {CPM_PORTA, 11, CPM_PIN_INPUT}, + {CPM_PORTA, 3, CPM_PIN_INPUT}, + {CPM_PORTA, 2, CPM_PIN_INPUT}, + {CPM_PORTC, 13, CPM_PIN_INPUT}, +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mgsuvd_pins); i++) { + struct cpm_pin *pin = &mgsuvd_pins[i]; + cpm1_set_pin(pin->port, pin->pin, pin->flags); + } + + setbits16(&mpc8xx_immr->im_ioport.iop_pcso, 0x300); + cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK5, CPM_CLK_RX); + cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK6, CPM_CLK_TX); + cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX); +} + +static void __init mgsuvd_setup_arch(void) +{ + cpm_reset(); + init_ioports(); +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus" }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; +} +machine_device_initcall(mgsuvd, declare_of_platform_devices); + +static int __init mgsuvd_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "keymile,mgsuvd"); +} + +define_machine(mgsuvd) { + .name = "MGSUVD", + .probe = mgsuvd_probe, + .setup_arch = mgsuvd_setup_arch, + .init_IRQ = mpc8xx_pics_init, + .get_irq = mpc8xx_get_irq, + .restart = mpc8xx_restart, + .calibrate_decr = mpc8xx_calibrate_decr, + .set_rtc_time = mpc8xx_set_rtc_time, + .get_rtc_time = mpc8xx_get_rtc_time, +}; -- GitLab From 637166337ca29459581bd2943072a9f1268fb982 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Wed, 18 Jun 2008 10:38:32 +0200 Subject: [PATCH 1839/6244] powerpc: Add support for mpc8247 based board MGCOGE from keymile. Signed-off-by: Heiko Schocher Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mgcoge.dts | 174 +++++ arch/powerpc/configs/mgcoge_defconfig | 900 ++++++++++++++++++++++++++ arch/powerpc/platforms/82xx/Kconfig | 8 + arch/powerpc/platforms/82xx/Makefile | 1 + arch/powerpc/platforms/82xx/mgcoge.c | 129 ++++ 5 files changed, 1212 insertions(+) create mode 100644 arch/powerpc/boot/dts/mgcoge.dts create mode 100644 arch/powerpc/configs/mgcoge_defconfig create mode 100644 arch/powerpc/platforms/82xx/mgcoge.c diff --git a/arch/powerpc/boot/dts/mgcoge.dts b/arch/powerpc/boot/dts/mgcoge.dts new file mode 100644 index 000000000000..633255a97557 --- /dev/null +++ b/arch/powerpc/boot/dts/mgcoge.dts @@ -0,0 +1,174 @@ +/* + * Device Tree for the MGCOGE plattform from keymile + * + * Copyright 2008 DENX Software Engineering GmbH + * Heiko Schocher + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +/dts-v1/; +/ { + model = "MGCOGE"; + compatible = "keymile,mgcoge"; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + ethernet0 = ð0; + serial0 = &smc2; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,8247@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <32>; + i-cache-line-size = <32>; + d-cache-size = <16384>; + i-cache-size = <16384>; + timebase-frequency = <0>; /* Filled in by U-Boot */ + clock-frequency = <0>; /* Filled in by U-Boot */ + bus-frequency = <0>; /* Filled in by U-Boot */ + }; + }; + + localbus@f0010100 { + compatible = "fsl,mpc8247-localbus", + "fsl,pq2-localbus", + "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0xf0010100 0x40>; + + ranges = <0 0 0xfe000000 0x00400000 + 5 0 0x50000000 0x20000000 + >; /* Filled in by U-Boot */ + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0x0 0x400000>; + #address-cells = <1>; + #size-cells = <1>; + bank-width = <1>; + device-width = <1>; + partition@0 { + label = "u-boot"; + reg = <0 0x40000>; + }; + partition@40000 { + label = "env"; + reg = <0x40000 0x20000>; + }; + partition@60000 { + label = "kernel"; + reg = <0x60000 0x220000>; + }; + partition@280000 { + label = "dtb"; + reg = <0x280000 0x20000>; + }; + }; + + flash@5,0 { + compatible = "cfi-flash"; + reg = <5 0x0 0x2000000>; + #address-cells = <1>; + #size-cells = <1>; + bank-width = <2>; + device-width = <2>; + partition@0 { + label = "ramdisk"; + reg = <0 0x7a0000>; + }; + partition@7a0000 { + label = "user"; + reg = <0x7a0000 0x1860000>; + }; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0>; /* Filled in by U-Boot */ + }; + + soc@f0000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8247-immr", "fsl,pq2-soc", "simple-bus"; + ranges = <0x00000000 0xf0000000 0x00053000>; + + // Temporary until code stops depending on it. + device_type = "soc"; + + cpm@119c0 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + compatible = "fsl,mpc8247-cpm", "fsl,cpm2", + "simple-bus"; + reg = <0x119c0 0x30>; + ranges; + + muram { + compatible = "fsl,cpm-muram"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0x10000>; + + data@0 { + compatible = "fsl,cpm-muram-data"; + reg = <0x80 0x1f80 0x9800 0x800>; + }; + }; + + brg@119f0 { + compatible = "fsl,mpc8247-brg", + "fsl,cpm2-brg", + "fsl,cpm-brg"; + reg = <0x119f0 0x10 0x115f0 0x10>; + }; + + /* Monitor port/SMC2 */ + smc2: serial@11a90 { + device_type = "serial"; + compatible = "fsl,mpc8247-smc-uart", + "fsl,cpm2-smc-uart"; + reg = <0x11a90 0x20 0x88fc 0x02>; + interrupts = <5 8>; + interrupt-parent = <&PIC>; + fsl,cpm-brg = <2>; + fsl,cpm-command = <0x21200000>; + current-speed = <0>; /* Filled in by U-Boot */ + }; + + eth0: ethernet@11a60 { + device_type = "network"; + compatible = "fsl,mpc8247-scc-enet", + "fsl,cpm2-scc-enet"; + reg = <0x11a60 0x20 0x8300 0x100 0x11390 1>; + local-mac-address = [ 00 00 00 00 00 00 ]; /* Filled in by U-Boot */ + interrupts = <43 8>; + interrupt-parent = <&PIC>; + linux,network-index = <0>; + fsl,cpm-command = <0xce00000>; + fixed-link = <0 0 10 0 0>; + }; + + }; + + PIC: interrupt-controller@10c00 { + #interrupt-cells = <2>; + interrupt-controller; + reg = <0x10c00 0x80>; + compatible = "fsl,mpc8247-pic", "fsl,pq2-pic"; + }; + }; +}; diff --git a/arch/powerpc/configs/mgcoge_defconfig b/arch/powerpc/configs/mgcoge_defconfig new file mode 100644 index 000000000000..cc9eaba8c9c9 --- /dev/null +++ b/arch/powerpc/configs/mgcoge_defconfig @@ -0,0 +1,900 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26-rc2 +# Thu May 22 08:18:47 2008 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +CONFIG_6xx=y +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_PPC_FPU=y +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_PPC_MM_SLICES is not set +# CONFIG_SMP is not set +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +# CONFIG_PPC_UDBG_16550 is not set +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_DEFAULT_UIMAGE is not set +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +# CONFIG_EXPERIMENTAL is not set +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_MODULES is not set +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +CONFIG_IOSCHED_DEADLINE=y +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +CONFIG_DEFAULT_DEADLINE=y +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="deadline" +CONFIG_CLASSIC_RCU=y + +# +# Platform support +# +# CONFIG_PPC_MULTIPLATFORM is not set +CONFIG_PPC_82xx=y +# CONFIG_PPC_83xx is not set +# CONFIG_PPC_86xx is not set +# CONFIG_PPC_MPC512x is not set +# CONFIG_PPC_MPC5121 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_MPC8272_ADS is not set +# CONFIG_PQ2FADS is not set +# CONFIG_EP8248E is not set +CONFIG_MGCOGE=y +# CONFIG_PQ2ADS is not set +CONFIG_8260=y +CONFIG_8272=y +# CONFIG_IPIC is not set +# CONFIG_MPIC is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +CONFIG_CPM2=y +CONFIG_PPC_CPM_NEW_BINDING=y +# CONFIG_FSL_ULI1575 is not set +CONFIG_CPM=y + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +CONFIG_PREEMPT_NONE=y +# CONFIG_PREEMPT_VOLUNTARY is not set +# CONFIG_PREEMPT is not set +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_MISC=y +# CONFIG_IOMMU_HELPER is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_FORCE_MAX_ZONEORDER=11 +CONFIG_PROC_DEVICETREE=y +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_FSL_SOC=y +# CONFIG_PCI is not set +# CONFIG_PCI_DOMAINS is not set +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set +# CONFIG_HAS_RAPIDIO is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +CONFIG_TASK_SIZE=0xc0000000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_IP_MROUTE is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_IP_VS is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +# CONFIG_NF_CONNTRACK is not set +# CONFIG_NETFILTER_XTABLES is not set + +# +# IP: Netfilter Configuration +# +# CONFIG_IP_NF_QUEUE is not set +# CONFIG_IP_NF_IPTABLES is not set +# CONFIG_IP_NF_ARPTABLES is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +CONFIG_MTD_CONCAT=y +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_OF_PARTS=y +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +# CONFIG_MTD_BLOCK is not set +# CONFIG_MTD_BLOCK_RO is not set +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_NOSWAP=y +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +CONFIG_OF_DEVICE=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_MISC_DEVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +CONFIG_FIXED_PHY=y +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_B44 is not set +CONFIG_FS_ENET=y +CONFIG_FS_ENET_HAS_SCC=y +# CONFIG_FS_ENET_HAS_FCC is not set +# CONFIG_FS_ENET_MDIO_FCC is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_CPM=y +CONFIG_SERIAL_CPM_CONSOLE=y +# CONFIG_SERIAL_CPM_SCC1 is not set +# CONFIG_SERIAL_CPM_SCC2 is not set +# CONFIG_SERIAL_CPM_SCC3 is not set +# CONFIG_SERIAL_CPM_SCC4 is not set +CONFIG_SERIAL_CPM_SMC1=y +CONFIG_SERIAL_CPM_SMC2=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +# CONFIG_GEN_RTC is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_I2C is not set +# CONFIG_SPI is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Sound +# +# CONFIG_SOUND is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_FS_XATTR is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +CONFIG_AUTOFS4_FS=y +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_HFSPLUS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +CONFIG_NLS_UTF8=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +# CONFIG_DETECT_SOFTLOCKUP is not set +# CONFIG_SCHED_DEBUG is not set +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_SAMPLES is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +# CONFIG_DEBUGGER is not set +# CONFIG_KGDB_CONSOLE is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_VIRQ_DEBUG is not set +CONFIG_BDI_SWITCH=y +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_PCBC=y + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_PPC_CLOCK is not set +CONFIG_PPC_LIB_RHEAP=y +# CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index 75eb1ede5497..30f008b2f92e 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -38,6 +38,14 @@ config EP8248E This board is also resold by Freescale as the QUICCStart MPC8248 Evaluation System and/or the CWH-PPC-8248N-VE. +config MGCOGE + bool "Keymile MGCOGE" + select 8272 + select 8260 + select FSL_SOC + help + This enables support for the Keymile MGCOGE board. + endif config PQ2ADS diff --git a/arch/powerpc/platforms/82xx/Makefile b/arch/powerpc/platforms/82xx/Makefile index 6cd5cd59bf2a..d982793f4dbd 100644 --- a/arch/powerpc/platforms/82xx/Makefile +++ b/arch/powerpc/platforms/82xx/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_CPM2) += pq2.o obj-$(CONFIG_PQ2_ADS_PCI_PIC) += pq2ads-pci-pic.o obj-$(CONFIG_PQ2FADS) += pq2fads.o obj-$(CONFIG_EP8248E) += ep8248e.o +obj-$(CONFIG_MGCOGE) += mgcoge.o diff --git a/arch/powerpc/platforms/82xx/mgcoge.c b/arch/powerpc/platforms/82xx/mgcoge.c new file mode 100644 index 000000000000..c2af169c1d1d --- /dev/null +++ b/arch/powerpc/platforms/82xx/mgcoge.c @@ -0,0 +1,129 @@ +/* + * Keymile mgcoge support + * Copyright 2008 DENX Software Engineering GmbH + * Author: Heiko Schocher + * + * based on code from: + * Copyright 2007 Freescale Semiconductor, Inc. + * Author: Scott Wood + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "pq2.h" + +static void __init mgcoge_pic_init(void) +{ + struct device_node *np = of_find_compatible_node(NULL, NULL, "fsl,pq2-pic"); + if (!np) { + printk(KERN_ERR "PIC init: can not find cpm-pic node\n"); + return; + } + + cpm2_pic_init(np); + of_node_put(np); +} + +struct cpm_pin { + int port, pin, flags; +}; + +static __initdata struct cpm_pin mgcoge_pins[] = { + + /* SMC2 */ + {1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {1, 9, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + + /* SCC4 */ + {3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {4, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {4, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, +}; + +static void __init init_ioports(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mgcoge_pins); i++) { + const struct cpm_pin *pin = &mgcoge_pins[i]; + cpm2_set_pin(pin->port - 1, pin->pin, pin->flags); + } + + cpm2_smc_clk_setup(CPM_CLK_SMC2, CPM_BRG8); + cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK7, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK8, CPM_CLK_TX); +} + +static void __init mgcoge_setup_arch(void) +{ + if (ppc_md.progress) + ppc_md.progress("mgcoge_setup_arch()", 0); + + cpm2_reset(); + + /* When this is set, snooping CPM DMA from RAM causes + * machine checks. See erratum SIU18. + */ + clrbits32(&cpm2_immr->im_siu_conf.siu_82xx.sc_bcr, MPC82XX_BCR_PLDP); + + init_ioports(); + + if (ppc_md.progress) + ppc_md.progress("mgcoge_setup_arch(), finish", 0); +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(mgcoge, declare_of_platform_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init mgcoge_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + return of_flat_dt_is_compatible(root, "keymile,mgcoge"); +} + +define_machine(mgcoge) +{ + .name = "Keymile MGCOGE", + .probe = mgcoge_probe, + .setup_arch = mgcoge_setup_arch, + .init_IRQ = mgcoge_pic_init, + .get_irq = cpm2_get_irq, + .calibrate_decr = generic_calibrate_decr, + .restart = pq2_restart, + .progress = udbg_progress, +}; -- GitLab From 7cfc4e5e7f9b5fa598aa69b5344b6fd0539f71d6 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Mon, 4 Aug 2008 08:27:52 -0500 Subject: [PATCH 1840/6244] serial/cpm_uart: Remove dead Kconfig options With the change to device tree based setup we no longer need the explicit Kconfig options for each SCC{1,4} or SMC{1,2} port. Signed-off-by: Kumar Gala --- drivers/serial/Kconfig | 36 ------------------------------------ 1 file changed, 36 deletions(-) diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 77cb34270fc1..b87b1cf9df66 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -1136,42 +1136,6 @@ config SERIAL_CPM_CONSOLE your boot loader (lilo or loadlin) about how to pass options to the kernel at boot time.) -config SERIAL_CPM_SCC1 - bool "Support for SCC1 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SCC1 as a serial port - -config SERIAL_CPM_SCC2 - bool "Support for SCC2 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SCC2 as a serial port - -config SERIAL_CPM_SCC3 - bool "Support for SCC3 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SCC3 as a serial port - -config SERIAL_CPM_SCC4 - bool "Support for SCC4 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SCC4 as a serial port - -config SERIAL_CPM_SMC1 - bool "Support for SMC1 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SMC1 as a serial port - -config SERIAL_CPM_SMC2 - bool "Support for SMC2 serial port" - depends on SERIAL_CPM=y - help - Select this option to use SMC2 as a serial port - config SERIAL_SGI_L1_CONSOLE bool "SGI Altix L1 serial console support" depends on IA64_GENERIC || IA64_SGI_SN2 -- GitLab From 307db95882fdfba372a0639e8e238cf8c542f430 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Thu, 14 Aug 2008 21:13:42 +0400 Subject: [PATCH 1841/6244] powerpc/83xx: mpc836x_mds: add support for the nor flash This patch adds the localbus node, moves the bcsr node into the localbus node, and adds the flash node. Also enable MTD support in the defconfig. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc836x_mds.dts | 23 +++++- .../configs/83xx/mpc836x_mds_defconfig | 79 ++++++++++++++++++- 2 files changed, 98 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index a3b76a709951..ada8446ab3c6 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -52,9 +52,26 @@ reg = <0x00000000 0x10000000>; }; - bcsr@f8000000 { - device_type = "board-control"; - reg = <0xf8000000 0x8000>; + localbus@e0005000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,mpc8360-localbus", "fsl,pq2pro-localbus", + "simple-bus"; + reg = <0xe0005000 0xd8>; + ranges = <0 0 0xfe000000 0x02000000 + 1 0 0xf8000000 0x00008000>; + + flash@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x2000000>; + bank-width = <2>; + device-width = <1>; + }; + + bcsr@1,0 { + device_type = "board-control"; + reg = <1 0 0x8000>; + }; }; soc8360@e0000000 { diff --git a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig index e029e9e14622..cf2706a5f34b 100644 --- a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig +++ b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig @@ -383,7 +383,84 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set # CONFIG_SYS_HYPERVISOR is not set # CONFIG_CONNECTOR is not set -# CONFIG_MTD is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +CONFIG_MTD_CMDLINE_PARTS=y +# CONFIG_MTD_OF_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_INTEL_VR_NOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set CONFIG_OF_DEVICE=y CONFIG_OF_I2C=y # CONFIG_PARPORT is not set -- GitLab From 82331ab15f14786f3d8e874efb76462685e3bfa0 Mon Sep 17 00:00:00 2001 From: Becky Bruce Date: Thu, 21 Aug 2008 13:50:22 -0500 Subject: [PATCH 1842/6244] powerpc/85xx: fix build warning, remove silly cast This fixes a build warning when PHYS_64BIT is enabled, and removes an unnecessary cast to phys_addr_t (the variable being cast is already a phys_addr_t) Signed-off-by: Becky Bruce Signed-off-by: Kumar Gala --- arch/powerpc/mm/fsl_booke_mmu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index ce10e2b1b902..23cee39534fd 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -202,7 +202,7 @@ adjust_total_lowmem(void) cam_max_size = max_lowmem_size; /* adjust lowmem size to max_lowmem_size */ - ram = min(max_lowmem_size, (phys_addr_t)total_lowmem); + ram = min(max_lowmem_size, total_lowmem); /* Calculate CAM values */ __cam0 = 1UL << 2 * (__ilog2(ram) / 2); @@ -225,7 +225,8 @@ adjust_total_lowmem(void) printk(KERN_INFO "Memory CAM mapping: CAM0=%ldMb, CAM1=%ldMb," " CAM2=%ldMb residual: %ldMb\n", __cam0 >> 20, __cam1 >> 20, __cam2 >> 20, - (total_lowmem - __cam0 - __cam1 - __cam2) >> 20); + (long int)((total_lowmem - __cam0 - __cam1 - __cam2) + >> 20)); __max_low_memory = __cam0 + __cam1 + __cam2; __initial_memory_limit_addr = memstart_addr + __max_low_memory; } -- GitLab From 40d3057ac036f2501c1930728a6179be4fca577b Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 27 Jun 2008 09:33:59 -0500 Subject: [PATCH 1843/6244] math-emu: Fix compiler warnings Fix warnings of the form: arch/powerpc/math-emu/fsubs.c:15: warning: 'R_f1' may be used uninitialized in this function arch/powerpc/math-emu/fsubs.c:15: warning: 'R_f0' may be used uninitialized in this function Signed-off-by: Kumar Gala --- include/math-emu/op-2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/math-emu/op-2.h b/include/math-emu/op-2.h index e193fb08fd55..4f26ecc1411b 100644 --- a/include/math-emu/op-2.h +++ b/include/math-emu/op-2.h @@ -25,7 +25,7 @@ #ifndef __MATH_EMU_OP_2_H__ #define __MATH_EMU_OP_2_H__ -#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0, X##_f1 +#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0 = 0, X##_f1 = 0 #define _FP_FRAC_COPY_2(D,S) (D##_f0 = S##_f0, D##_f1 = S##_f1) #define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I) #define _FP_FRAC_HIGH_2(X) (X##_f1) -- GitLab From 48d6c64311ddb6417b901639530ccbc47bdc7635 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 27 Jun 2008 09:39:00 -0500 Subject: [PATCH 1844/6244] math-emu: Add support for reporting exact invalid exception Some architectures (like powerpc) provide status information on the exact type of invalid exception. This is pretty straight forward as we already report invalid exceptions via FP_SET_EXCEPTION. We add new flags (FP_EX_INVALID_*) the architecture code can define if it wants the exact invalid exception reported. We had to split out the INF/INF and 0/0 cases for divide to allow reporting the two invalid forms properly. Signed-off-by: Kumar Gala Acked-by: David S. Miller --- include/math-emu/op-common.h | 12 ++++++++---- include/math-emu/soft-fp.h | 19 +++++++++++++++++++ 2 files changed, 27 insertions(+), 4 deletions(-) diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h index bb46e7645d53..cc1ec396f8d6 100644 --- a/include/math-emu/op-common.h +++ b/include/math-emu/op-common.h @@ -73,7 +73,7 @@ do { \ X##_c = FP_CLS_NAN; \ /* Check for signaling NaN */ \ if (!(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \ - FP_SET_EXCEPTION(FP_EX_INVALID); \ + FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_SNAN); \ } \ break; \ } \ @@ -324,7 +324,7 @@ do { \ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ R##_s = _FP_NANSIGN_##fs; \ R##_c = FP_CLS_NAN; \ - FP_SET_EXCEPTION(FP_EX_INVALID); \ + FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ISI); \ break; \ } \ /* FALLTHRU */ \ @@ -431,7 +431,7 @@ do { \ R##_s = _FP_NANSIGN_##fs; \ R##_c = FP_CLS_NAN; \ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - FP_SET_EXCEPTION(FP_EX_INVALID); \ + FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IMZ);\ break; \ \ default: \ @@ -490,11 +490,15 @@ do { \ break; \ \ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ + R##_s = _FP_NANSIGN_##fs; \ + R##_c = FP_CLS_NAN; \ + _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ + FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ R##_s = _FP_NANSIGN_##fs; \ R##_c = FP_CLS_NAN; \ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - FP_SET_EXCEPTION(FP_EX_INVALID); \ + FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_ZDZ);\ break; \ \ default: \ diff --git a/include/math-emu/soft-fp.h b/include/math-emu/soft-fp.h index a6f873b45f98..3f284bc03180 100644 --- a/include/math-emu/soft-fp.h +++ b/include/math-emu/soft-fp.h @@ -51,6 +51,25 @@ #ifndef FP_EX_INVALID #define FP_EX_INVALID 0 #endif +#ifndef FP_EX_INVALID_SNAN +#define FP_EX_INVALID_SNAN 0 +#endif +/* inf - inf */ +#ifndef FP_EX_INVALID_ISI +#define FP_EX_INVALID_ISI 0 +#endif +/* inf / inf */ +#ifndef FP_EX_INVALID_IDI +#define FP_EX_INVALID_IDI 0 +#endif +/* 0 / 0 */ +#ifndef FP_EX_INVALID_ZDZ +#define FP_EX_INVALID_ZDZ 0 +#endif +/* inf * 0 */ +#ifndef FP_EX_INVALID_IMZ +#define FP_EX_INVALID_IMZ 0 +#endif #ifndef FP_EX_OVERFLOW #define FP_EX_OVERFLOW 0 #endif -- GitLab From 66576a87dda18cede6a728685366c9c0fedd1742 Mon Sep 17 00:00:00 2001 From: Paul Gortmaker Date: Wed, 3 Sep 2008 16:02:25 -0400 Subject: [PATCH 1845/6244] powerpc/sbc8560: fix compile warning on CPM pin array This is just a parallel of a5dc66e2ab2e2cf641346b056a69a67cfcf9458c applied to the sbc8560 board. Signed-off-by: Paul Gortmaker Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/sbc8560.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c index 6509ade71668..e0cf0602d8b7 100644 --- a/arch/powerpc/platforms/85xx/sbc8560.c +++ b/arch/powerpc/platforms/85xx/sbc8560.c @@ -156,7 +156,7 @@ static void __init init_ioports(void) int i; for (i = 0; i < ARRAY_SIZE(sbc8560_pins); i++) { - struct cpm_pin *pin = &sbc8560_pins[i]; + const struct cpm_pin *pin = &sbc8560_pins[i]; cpm2_set_pin(pin->port, pin->pin, pin->flags); } -- GitLab From 54508214cf2f88ad1288e8836032545e0357ebde Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Tue, 16 Sep 2008 10:57:47 +0100 Subject: [PATCH 1846/6244] powerpc: Board support for GE Fanuc SBC610 Support for the SBC610 VPX Single Board Computer from GE Fanuc (PowerPC MPC8641D). This is the basic board support for GE Fanuc's SBC610, a 6U single board computer, based on Freescale's MPC8641D. Signed-off-by: Martyn Welch Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/gef_sbc610.dts | 260 +++++++++++++++++++++++ arch/powerpc/platforms/86xx/Kconfig | 9 +- arch/powerpc/platforms/86xx/Makefile | 1 + arch/powerpc/platforms/86xx/gef_sbc610.c | 149 +++++++++++++ 4 files changed, 418 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/boot/dts/gef_sbc610.dts create mode 100644 arch/powerpc/platforms/86xx/gef_sbc610.c diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts new file mode 100644 index 000000000000..80b79e4adc78 --- /dev/null +++ b/arch/powerpc/boot/dts/gef_sbc610.dts @@ -0,0 +1,260 @@ +/* + * GE Fanuc SBC610 Device Tree Source + * + * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Based on: SBS CM6 Device Tree Source + * Copyright 2007 SBS Technologies GmbH & Co. KG + * And: mpc8641_hpcn.dts (MPC8641 HPCN Device Tree Source) + * Copyright 2006 Freescale Semiconductor Inc. + */ + +/* + * Compiled with dtc -I dts -O dtb -o gef_sbc610.dtb gef_sbc610.dts + */ + +/dts-v1/; + +/ { + model = "GEF_SBC610"; + compatible = "gef,sbc610"; + #address-cells = <1>; + #size-cells = <1>; + + aliases { + ethernet0 = &enet0; + ethernet1 = &enet1; + serial0 = &serial0; + serial1 = &serial1; + pci0 = &pci0; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,8641@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <32>; // 32 bytes + i-cache-line-size = <32>; // 32 bytes + d-cache-size = <32768>; // L1, 32K + i-cache-size = <32768>; // L1, 32K + timebase-frequency = <0>; // From uboot + bus-frequency = <0>; // From uboot + clock-frequency = <0>; // From uboot + }; + PowerPC,8641@1 { + device_type = "cpu"; + reg = <1>; + d-cache-line-size = <32>; // 32 bytes + i-cache-line-size = <32>; // 32 bytes + d-cache-size = <32768>; // L1, 32K + i-cache-size = <32768>; // L1, 32K + timebase-frequency = <0>; // From uboot + bus-frequency = <0>; // From uboot + clock-frequency = <0>; // From uboot + }; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x40000000>; // set by uboot + }; + + soc@fef00000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + device_type = "soc"; + compatible = "simple-bus"; + ranges = <0x0 0xfef00000 0x00100000>; + reg = <0xfef00000 0x100000>; // CCSRBAR 1M + bus-frequency = <0>; + + i2c1: i2c@3000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-i2c"; + reg = <0x3000 0x100>; + interrupts = <0x2b 0x2>; + interrupt-parent = <&mpic>; + dfsrr; + + eti@6b { + compatible = "dallas,ds1682"; + reg = <0x6b>; + }; + }; + + i2c2: i2c@3100 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl-i2c"; + reg = <0x3100 0x100>; + interrupts = <0x2b 0x2>; + interrupt-parent = <&mpic>; + dfsrr; + }; + + dma@21300 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8641-dma", "fsl,eloplus-dma"; + reg = <0x21300 0x4>; + ranges = <0x0 0x21100 0x200>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,mpc8641-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x0 0x80>; + cell-index = <0>; + interrupt-parent = <&mpic>; + interrupts = <20 2>; + }; + dma-channel@80 { + compatible = "fsl,mpc8641-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x80 0x80>; + cell-index = <1>; + interrupt-parent = <&mpic>; + interrupts = <21 2>; + }; + dma-channel@100 { + compatible = "fsl,mpc8641-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x100 0x80>; + cell-index = <2>; + interrupt-parent = <&mpic>; + interrupts = <22 2>; + }; + dma-channel@180 { + compatible = "fsl,mpc8641-dma-channel", + "fsl,eloplus-dma-channel"; + reg = <0x180 0x80>; + cell-index = <3>; + interrupt-parent = <&mpic>; + interrupts = <23 2>; + }; + }; + + mdio@24520 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,gianfar-mdio"; + reg = <0x24520 0x20>; + + phy0: ethernet-phy@0 { + interrupt-parent = <&mpic>; + interrupts = <0x0 0x1>; + reg = <1>; + }; + phy2: ethernet-phy@2 { + interrupt-parent = <&mpic>; + interrupts = <0x0 0x1>; + reg = <3>; + }; + }; + + enet0: ethernet@24000 { + device_type = "network"; + model = "eTSEC"; + compatible = "gianfar"; + reg = <0x24000 0x1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <0x1d 0x2 0x1e 0x2 0x22 0x2>; + interrupt-parent = <&mpic>; + phy-handle = <&phy0>; + phy-connection-type = "gmii"; + }; + + enet1: ethernet@26000 { + device_type = "network"; + model = "eTSEC"; + compatible = "gianfar"; + reg = <0x26000 0x1000>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <0x1f 0x2 0x20 0x2 0x21 0x2>; + interrupt-parent = <&mpic>; + phy-handle = <&phy2>; + phy-connection-type = "gmii"; + }; + + serial0: serial@4500 { + cell-index = <0>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4500 0x100>; + clock-frequency = <0>; + interrupts = <0x2a 0x2>; + interrupt-parent = <&mpic>; + }; + + serial1: serial@4600 { + cell-index = <1>; + device_type = "serial"; + compatible = "ns16550"; + reg = <0x4600 0x100>; + clock-frequency = <0>; + interrupts = <0x1c 0x2>; + interrupt-parent = <&mpic>; + }; + + mpic: pic@40000 { + clock-frequency = <0>; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x40000 0x40000>; + compatible = "chrp,open-pic"; + device_type = "open-pic"; + }; + + global-utilities@e0000 { + compatible = "fsl,mpc8641-guts"; + reg = <0xe0000 0x1000>; + fsl,has-rstcr; + }; + }; + + pci0: pcie@fef08000 { + compatible = "fsl,mpc8641-pcie"; + device_type = "pci"; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0xfef08000 0x1000>; + bus-range = <0x0 0xff>; + ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x40000000 + 0x01000000 0x0 0x00000000 0xfe000000 0x0 0x00400000>; + clock-frequency = <33333333>; + interrupt-parent = <&mpic>; + interrupts = <0x18 0x2>; + interrupt-map-mask = <0xf800 0x0 0x0 0x7>; + interrupt-map = < + 0x0000 0x0 0x0 0x1 &mpic 0x0 0x1 + 0x0000 0x0 0x0 0x2 &mpic 0x1 0x1 + 0x0000 0x0 0x0 0x3 &mpic 0x2 0x1 + 0x0000 0x0 0x0 0x4 &mpic 0x3 0x1 + >; + + pcie@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + device_type = "pci"; + ranges = <0x02000000 0x0 0x80000000 + 0x02000000 0x0 0x80000000 + 0x0 0x40000000 + + 0x01000000 0x0 0x00000000 + 0x01000000 0x0 0x00000000 + 0x0 0x00400000>; + }; + }; +}; diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 9355a5269431..77dd797a2580 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -31,6 +31,13 @@ config MPC8610_HPCD help This option enables support for the MPC8610 HPCD board. +config GEF_SBC610 + bool "GE Fanuc SBC610" + select DEFAULT_UIMAGE + select HAS_RAPIDIO + help + This option enables support for GE Fanuc's SBC610. + endif config MPC8641 @@ -39,7 +46,7 @@ config MPC8641 select FSL_PCI if PCI select PPC_UDBG_16550 select MPIC - default y if MPC8641_HPCN || SBC8641D + default y if MPC8641_HPCN || SBC8641D || GEF_SBC610 config MPC8610 bool diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index 8fee37dec795..cb9fc8f4360b 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o obj-$(CONFIG_SBC8641D) += sbc8641d.o obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o +obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c new file mode 100644 index 000000000000..3543a9e67618 --- /dev/null +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c @@ -0,0 +1,149 @@ +/* + * GE Fanuc SBC610 board support + * + * Author: Martyn Welch + * + * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Based on: mpc86xx_hpcn.c (MPC86xx HPCN board specific routines) + * Copyright 2006 Freescale Semiconductor Inc. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include "mpc86xx.h" + +#undef DEBUG + +#ifdef DEBUG +#define DBG (fmt...) do { printk(KERN_ERR "SBC610: " fmt); } while (0) +#else +#define DBG (fmt...) do { } while (0) +#endif + +static void __init gef_sbc610_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; + + for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") { + fsl_add_bridge(np, 1); + } +#endif + + printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n"); + +#ifdef CONFIG_SMP + mpc86xx_smp_init(); +#endif +} + + +static void gef_sbc610_show_cpuinfo(struct seq_file *m) +{ + struct device_node *root; + uint memsize = total_memory; + const char *model = ""; + uint svid = mfspr(SPRN_SVR); + + seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); + + root = of_find_node_by_path("/"); + if (root) + model = of_get_property(root, "model", NULL); + seq_printf(m, "Machine\t\t: %s\n", model); + of_node_put(root); + + seq_printf(m, "SVR\t\t: 0x%x\n", svid); + seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); +} + + +/* + * Called very early, device-tree isn't unflattened + * + * This function is called to determine whether the BSP is compatible with the + * supplied device-tree, which is assumed to be the correct one for the actual + * board. It is expected thati, in the future, a kernel may support multiple + * boards. + */ +static int __init gef_sbc610_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "gef,sbc610")) + return 1; + + return 0; +} + +static long __init mpc86xx_time_init(void) +{ + unsigned int temp; + + /* Set the time base to zero */ + mtspr(SPRN_TBWL, 0); + mtspr(SPRN_TBWU, 0); + + temp = mfspr(SPRN_HID0); + temp |= HID0_TBEN; + mtspr(SPRN_HID0, temp); + asm volatile("isync"); + + return 0; +} + +static __initdata struct of_device_id of_bus_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + printk(KERN_DEBUG "Probe platform devices\n"); + of_platform_bus_probe(NULL, of_bus_ids, NULL); + + return 0; +} +machine_device_initcall(gef_sbc610, declare_of_platform_devices); + +define_machine(gef_sbc610) { + .name = "GE Fanuc SBC610", + .probe = gef_sbc610_probe, + .setup_arch = gef_sbc610_setup_arch, + .init_IRQ = mpc86xx_init_irq, + .show_cpuinfo = gef_sbc610_show_cpuinfo, + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .time_init = mpc86xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif +}; -- GitLab From 1a9314a0f6f71cf13ddf9e58f1d4f507a5265056 Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Tue, 16 Sep 2008 10:57:52 +0100 Subject: [PATCH 1847/6244] powerpc: Default configuration for GE Fanuc SBC610 Support for the SBC610 VPX Single Board Computer from GE Fanuc (PowerPC MPC8641D). This is the default config file for GE Fanuc's SBC610, a 6U single board computer, based on Freescale's MPC8641D. Signed-off-by: Martyn Welch Signed-off-by: Kumar Gala --- .../powerpc/configs/86xx/gef_sbc610_defconfig | 1654 +++++++++++++++++ 1 file changed, 1654 insertions(+) create mode 100644 arch/powerpc/configs/86xx/gef_sbc610_defconfig diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig new file mode 100644 index 000000000000..f589489449da --- /dev/null +++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig @@ -0,0 +1,1654 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26-rc5 +# Wed Jun 11 12:06:53 2008 +# +# CONFIG_PPC64 is not set + +# +# Processor support +# +CONFIG_6xx=y +# CONFIG_PPC_85xx is not set +# CONFIG_PPC_8xx is not set +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_E200 is not set +CONFIG_PPC_FPU=y +CONFIG_ALTIVEC=y +CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_32=y +# CONFIG_PPC_MM_SLICES is not set +CONFIG_SMP=y +CONFIG_NR_CPUS=2 +CONFIG_PPC32=y +CONFIG_WORD_SIZE=32 +CONFIG_PPC_MERGE=y +CONFIG_MMU=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_HARDIRQS=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +CONFIG_IRQ_PER_CPU=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_LOCKBREAK=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +# CONFIG_ARCH_NO_VIRT_TO_BUS is not set +CONFIG_PPC=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_NVRAM=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_OF=y +CONFIG_PPC_UDBG_16550=y +CONFIG_GENERIC_TBSYNC=y +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_DEFAULT_UIMAGE=y +# CONFIG_PPC_DCR_NATIVE is not set +# CONFIG_PPC_DCR_MMIO is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_POSIX_MQUEUE=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_RELAY=y +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y +CONFIG_STOP_MACHINE=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_CLASSIC_RCU=y + +# +# Platform support +# +# CONFIG_PPC_MULTIPLATFORM is not set +# CONFIG_PPC_82xx is not set +# CONFIG_PPC_83xx is not set +CONFIG_PPC_86xx=y +# CONFIG_PPC_MPC512x is not set +# CONFIG_PPC_MPC5121 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PQ2ADS is not set +# CONFIG_MPC8641_HPCN is not set +# CONFIG_SBC8641D is not set +# CONFIG_MPC8610_HPCD is not set +CONFIG_GEF_SBC610=y +CONFIG_MPC8641=y +# CONFIG_IPIC is not set +CONFIG_MPIC=y +# CONFIG_MPIC_WEIRD is not set +# CONFIG_PPC_I8259 is not set +# CONFIG_PPC_RTAS is not set +# CONFIG_MMIO_NVRAM is not set +# CONFIG_PPC_MPC106 is not set +# CONFIG_PPC_970_NAP is not set +# CONFIG_PPC_INDIRECT_IO is not set +# CONFIG_GENERIC_IOMAP is not set +# CONFIG_CPU_FREQ is not set +# CONFIG_FSL_ULI1575 is not set + +# +# Kernel options +# +# CONFIG_HIGHMEM is not set +CONFIG_TICK_ONESHOT=y +# CONFIG_NO_HZ is not set +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_HZ_100 is not set +# CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set +CONFIG_HZ_1000=y +CONFIG_HZ=1000 +# CONFIG_SCHED_HRTICK is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +# CONFIG_PREEMPT_RCU is not set +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_MISC=m +# CONFIG_IOMMU_HELPER is not set +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_IRQ_ALL_CPUS=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_FORCE_MAX_ZONEORDER=11 +# CONFIG_PROC_DEVICETREE is not set +# CONFIG_CMDLINE_BOOL is not set +# CONFIG_PM is not set +CONFIG_SECCOMP=y +CONFIG_ISA_DMA_API=y + +# +# Bus options +# +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_FSL_SOC=y +CONFIG_FSL_PCI=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +CONFIG_PCI_SYSCALL=y +CONFIG_PCIEPORTBUS=y +CONFIG_PCIEAER=y +# CONFIG_PCIEASPM is not set +CONFIG_ARCH_SUPPORTS_MSI=y +# CONFIG_PCI_MSI is not set +CONFIG_PCI_LEGACY=y +CONFIG_PCI_DEBUG=y +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set +CONFIG_HAS_RAPIDIO=y +# CONFIG_RAPIDIO is not set + +# +# Advanced setup +# +# CONFIG_ADVANCED_OPTIONS is not set + +# +# Default settings for advanced configuration options are used +# +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_KERNEL_START=0xc0000000 +CONFIG_PHYSICAL_START=0x00000000 +CONFIG_TASK_SIZE=0xc0000000 + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +CONFIG_XFRM_USER=m +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +CONFIG_NET_KEY=m +# CONFIG_NET_KEY_MIGRATE is not set +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_MULTIPLE_TABLES=y +CONFIG_IP_ROUTE_MULTIPATH=y +CONFIG_IP_ROUTE_VERBOSE=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +CONFIG_NET_IPIP=m +CONFIG_NET_IPGRE=m +CONFIG_NET_IPGRE_BROADCAST=y +CONFIG_IP_MROUTE=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_IPCOMP=m +CONFIG_INET_XFRM_TUNNEL=m +CONFIG_INET_TUNNEL=m +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IP_VS is not set +CONFIG_IPV6=m +# CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +CONFIG_INET6_AH=m +CONFIG_INET6_ESP=m +CONFIG_INET6_IPCOMP=m +# CONFIG_IPV6_MIP6 is not set +CONFIG_INET6_XFRM_TUNNEL=m +CONFIG_INET6_TUNNEL=m +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=m +CONFIG_IPV6_NDISC_NODETYPE=y +CONFIG_IPV6_TUNNEL=m +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_IPV6_MROUTE is not set +# CONFIG_NETLABEL is not set +# CONFIG_NETWORK_SECMARK is not set +CONFIG_NETFILTER=y +# CONFIG_NETFILTER_DEBUG is not set +CONFIG_NETFILTER_ADVANCED=y +CONFIG_BRIDGE_NETFILTER=y + +# +# Core Netfilter Configuration +# +# CONFIG_NETFILTER_NETLINK_QUEUE is not set +# CONFIG_NETFILTER_NETLINK_LOG is not set +# CONFIG_NF_CONNTRACK is not set +CONFIG_NETFILTER_XTABLES=m +# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set +# CONFIG_NETFILTER_XT_TARGET_DSCP is not set +# CONFIG_NETFILTER_XT_TARGET_MARK is not set +# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set +# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set +# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set +# CONFIG_NETFILTER_XT_TARGET_TRACE is not set +# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set +# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set +# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set +# CONFIG_NETFILTER_XT_MATCH_DCCP is not set +# CONFIG_NETFILTER_XT_MATCH_DSCP is not set +# CONFIG_NETFILTER_XT_MATCH_ESP is not set +# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set +# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set +# CONFIG_NETFILTER_XT_MATCH_LIMIT is not set +# CONFIG_NETFILTER_XT_MATCH_MAC is not set +# CONFIG_NETFILTER_XT_MATCH_MARK is not set +# CONFIG_NETFILTER_XT_MATCH_OWNER is not set +# CONFIG_NETFILTER_XT_MATCH_POLICY is not set +# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set +# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set +# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set +# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set +# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set +# CONFIG_NETFILTER_XT_MATCH_REALM is not set +# CONFIG_NETFILTER_XT_MATCH_SCTP is not set +# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set +# CONFIG_NETFILTER_XT_MATCH_STRING is not set +# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set +# CONFIG_NETFILTER_XT_MATCH_TIME is not set +# CONFIG_NETFILTER_XT_MATCH_U32 is not set +# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set + +# +# IP: Netfilter Configuration +# +CONFIG_IP_NF_QUEUE=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MATCH_RECENT=m +CONFIG_IP_NF_MATCH_ECN=m +# CONFIG_IP_NF_MATCH_AH is not set +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_MATCH_ADDRTYPE=m +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_TARGET_LOG=m +CONFIG_IP_NF_TARGET_ULOG=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_TARGET_ECN=m +# CONFIG_IP_NF_TARGET_TTL is not set +CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_ARPTABLES=m +CONFIG_IP_NF_ARPFILTER=m +CONFIG_IP_NF_ARP_MANGLE=m + +# +# IPv6: Netfilter Configuration +# +CONFIG_IP6_NF_QUEUE=m +CONFIG_IP6_NF_IPTABLES=m +CONFIG_IP6_NF_MATCH_RT=m +CONFIG_IP6_NF_MATCH_OPTS=m +CONFIG_IP6_NF_MATCH_FRAG=m +CONFIG_IP6_NF_MATCH_HL=m +CONFIG_IP6_NF_MATCH_IPV6HEADER=m +# CONFIG_IP6_NF_MATCH_AH is not set +# CONFIG_IP6_NF_MATCH_MH is not set +CONFIG_IP6_NF_MATCH_EUI64=m +CONFIG_IP6_NF_FILTER=m +CONFIG_IP6_NF_TARGET_LOG=m +# CONFIG_IP6_NF_TARGET_REJECT is not set +CONFIG_IP6_NF_MANGLE=m +# CONFIG_IP6_NF_TARGET_HL is not set +CONFIG_IP6_NF_RAW=m + +# +# Bridge: Netfilter Configuration +# +# CONFIG_BRIDGE_NF_EBTABLES is not set +# CONFIG_IP_DCCP is not set +CONFIG_IP_SCTP=m +# CONFIG_SCTP_DBG_MSG is not set +# CONFIG_SCTP_DBG_OBJCNT is not set +# CONFIG_SCTP_HMAC_NONE is not set +# CONFIG_SCTP_HMAC_SHA1 is not set +CONFIG_SCTP_HMAC_MD5=y +CONFIG_TIPC=m +# CONFIG_TIPC_ADVANCED is not set +# CONFIG_TIPC_DEBUG is not set +CONFIG_ATM=m +CONFIG_ATM_CLIP=m +# CONFIG_ATM_CLIP_NO_ICMP is not set +CONFIG_ATM_LANE=m +CONFIG_ATM_MPOA=m +CONFIG_ATM_BR2684=m +# CONFIG_ATM_BR2684_IPFILTER is not set +CONFIG_BRIDGE=m +CONFIG_VLAN_8021Q=m +# CONFIG_DECNET is not set +CONFIG_LLC=m +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +CONFIG_WAN_ROUTER=m +CONFIG_NET_SCHED=y + +# +# Queueing/Scheduling +# +CONFIG_NET_SCH_CBQ=m +CONFIG_NET_SCH_HTB=m +CONFIG_NET_SCH_HFSC=m +CONFIG_NET_SCH_ATM=m +CONFIG_NET_SCH_PRIO=m +# CONFIG_NET_SCH_RR is not set +CONFIG_NET_SCH_RED=m +CONFIG_NET_SCH_SFQ=m +CONFIG_NET_SCH_TEQL=m +CONFIG_NET_SCH_TBF=m +CONFIG_NET_SCH_GRED=m +CONFIG_NET_SCH_DSMARK=m +CONFIG_NET_SCH_NETEM=m + +# +# Classification +# +CONFIG_NET_CLS=y +# CONFIG_NET_CLS_BASIC is not set +CONFIG_NET_CLS_TCINDEX=m +CONFIG_NET_CLS_ROUTE4=m +CONFIG_NET_CLS_ROUTE=y +CONFIG_NET_CLS_FW=m +CONFIG_NET_CLS_U32=m +# CONFIG_CLS_U32_PERF is not set +# CONFIG_CLS_U32_MARK is not set +CONFIG_NET_CLS_RSVP=m +CONFIG_NET_CLS_RSVP6=m +# CONFIG_NET_CLS_FLOW is not set +# CONFIG_NET_EMATCH is not set +# CONFIG_NET_CLS_ACT is not set +# CONFIG_NET_CLS_IND is not set +CONFIG_NET_SCH_FIFO=y + +# +# Network testing +# +CONFIG_NET_PKTGEN=m +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set +CONFIG_FIB_RULES=y + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +CONFIG_MTD_CONCAT=y +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_OF_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +CONFIG_MTD_CFI=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_GEN_PROBE=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_NOSWAP is not set +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +CONFIG_MTD_CFI_LE_BYTE_SWAP=y +# CONFIG_MTD_CFI_GEOMETRY is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP_OF=y +# CONFIG_MTD_INTEL_VR_NOR is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_PMC551 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +# CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +CONFIG_OF_DEVICE=y +CONFIG_OF_I2C=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=m +CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_NBD=m +# CONFIG_BLK_DEV_SX8 is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=131072 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_PHANTOM is not set +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +CONFIG_CHR_DEV_ST=y +# CONFIG_CHR_DEV_OSST is not set +CONFIG_BLK_DEV_SR=y +# CONFIG_BLK_DEV_SR_VENDOR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AACRAID is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_DPT_I2O is not set +# CONFIG_SCSI_ADVANSYS is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_MVSAS is not set +# CONFIG_SCSI_STEX is not set +# CONFIG_SCSI_SYM53C8XX_2 is not set +# CONFIG_SCSI_IPR is not set +# CONFIG_SCSI_QLOGIC_1280 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set +# CONFIG_SCSI_DC395x is not set +# CONFIG_SCSI_DC390T is not set +# CONFIG_SCSI_NSP32 is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_SRP is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_SATA_PMP=y +# CONFIG_SATA_AHCI is not set +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_FSL is not set +CONFIG_ATA_SFF=y +# CONFIG_SATA_SVW is not set +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +CONFIG_SATA_SIL=y +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_SATA_INIC162X is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_IT8213 is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NINJA32 is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_NS87415 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set +# CONFIG_PATA_PLATFORM is not set +# CONFIG_PATA_SCH is not set +# CONFIG_MD is not set +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set +# CONFIG_I2O is not set +# CONFIG_MACINTOSH_DRIVERS is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +CONFIG_DUMMY=m +CONFIG_BONDING=m +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +CONFIG_TUN=m +# CONFIG_VETH is not set +# CONFIG_ARCNET is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +CONFIG_MARVELL_PHY=y +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_NET_PCI is not set +# CONFIG_B44 is not set +CONFIG_NETDEV_1000=y +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +# CONFIG_E1000 is not set +# CONFIG_E1000E is not set +# CONFIG_E1000E_ENABLED is not set +# CONFIG_IP1000 is not set +# CONFIG_IGB is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_R8169 is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +CONFIG_GIANFAR=y +# CONFIG_GFAR_NAPI is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set +# CONFIG_NETDEV_10000 is not set +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +CONFIG_ATM_DRIVERS=y +# CONFIG_ATM_DUMMY is not set +# CONFIG_ATM_TCP is not set +# CONFIG_ATM_LANAI is not set +# CONFIG_ATM_ENI is not set +# CONFIG_ATM_FIRESTREAM is not set +# CONFIG_ATM_ZATM is not set +# CONFIG_ATM_NICSTAR is not set +# CONFIG_ATM_IDT77252 is not set +# CONFIG_ATM_AMBASSADOR is not set +# CONFIG_ATM_HORIZON is not set +# CONFIG_ATM_IA is not set +# CONFIG_ATM_FORE200E_MAYBE is not set +# CONFIG_ATM_HE is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +CONFIG_PPP=m +CONFIG_PPP_MULTILINK=y +CONFIG_PPP_FILTER=y +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_BSDCOMP=m +# CONFIG_PPP_MPPE is not set +CONFIG_PPPOE=m +CONFIG_PPPOATM=m +# CONFIG_PPPOL2TP is not set +CONFIG_SLIP=m +CONFIG_SLIP_COMPRESSED=y +CONFIG_SLHC=m +CONFIG_SLIP_SMART=y +CONFIG_SLIP_MODE_SLIP6=y +# CONFIG_NET_FC is not set +CONFIG_NETCONSOLE=y +# CONFIG_NETCONSOLE_DYNAMIC is not set +CONFIG_NETPOLL=y +CONFIG_NETPOLL_TRAP=y +CONFIG_NET_POLL_CONTROLLER=y +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_NOZOMI is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_SERIAL_8250_PCI is not set +CONFIG_SERIAL_8250_NR_UARTS=2 +CONFIG_SERIAL_8250_RUNTIME_UARTS=2 +# CONFIG_SERIAL_8250_EXTENDED is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +# CONFIG_SERIAL_OF_PLATFORM is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y + +# +# I2C Hardware Bus support +# +# CONFIG_I2C_ALI1535 is not set +# CONFIG_I2C_ALI1563 is not set +# CONFIG_I2C_ALI15X3 is not set +# CONFIG_I2C_AMD756 is not set +# CONFIG_I2C_AMD8111 is not set +# CONFIG_I2C_I801 is not set +# CONFIG_I2C_I810 is not set +# CONFIG_I2C_PIIX4 is not set +CONFIG_I2C_MPC=y +# CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_PROSAVAGE is not set +# CONFIG_I2C_SAVAGE4 is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_SIS5595 is not set +# CONFIG_I2C_SIS630 is not set +# CONFIG_I2C_SIS96X is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_TINY_USB is not set +# CONFIG_I2C_VIA is not set +# CONFIG_I2C_VIAPRO is not set +# CONFIG_I2C_VOODOO3 is not set +# CONFIG_I2C_PCA_PLATFORM is not set + +# +# Miscellaneous I2C Chip support +# +CONFIG_DS1682=y +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +# CONFIG_SPI is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_I5K_AMB is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +CONFIG_SENSORS_LM90=y +CONFIG_SENSORS_LM92=y +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SIS5595 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VIA686A is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_VT8231 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set + +# +# PCI-based Watchdog Cards +# +# CONFIG_PCIPCWATCHDOG is not set +# CONFIG_WDTPCI is not set + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +CONFIG_DAB=y +# CONFIG_USB_DABUSB is not set + +# +# Graphics support +# +# CONFIG_AGP is not set +# CONFIG_DRM is not set +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +CONFIG_VGA_CONSOLE=y +# CONFIG_VGACON_SOFT_SCROLLBACK is not set +CONFIG_DUMMY_CONSOLE=y + +# +# Sound +# +# CONFIG_SOUND is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +# CONFIG_USB_DEVICE_CLASS is not set +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +CONFIG_USB_EHCI_HCD=y +# CONFIG_USB_EHCI_ROOT_HUB_TT is not set +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +# CONFIG_USB_EHCI_FSL is not set +# CONFIG_USB_EHCI_HCD_PPC_OF is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_HCD_PPC_OF is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_UHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_DPCM is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set +# CONFIG_USB_MON is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_ATM is not set +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_INFINIBAND is not set +# CONFIG_EDAC is not set +CONFIG_RTC_LIB=m +CONFIG_RTC_CLASS=m + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +# CONFIG_RTC_INTF_PROC is not set +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_RTC_DRV_PPC is not set +# CONFIG_DMADEVICES is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +# CONFIG_EXT2_FS_SECURITY is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +CONFIG_EXT3_FS_POSIX_ACL=y +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_JFFS2_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +CONFIG_CIFS=m +# CONFIG_CIFS_STATS is not set +# CONFIG_CIFS_WEAK_PW_HASH is not set +CONFIG_CIFS_XATTR=y +CONFIG_CIFS_POSIX=y +# CONFIG_CIFS_DEBUG2 is not set +# CONFIG_CIFS_EXPERIMENTAL is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=m +CONFIG_NLS_CODEPAGE_737=m +CONFIG_NLS_CODEPAGE_775=m +CONFIG_NLS_CODEPAGE_850=m +CONFIG_NLS_CODEPAGE_852=m +CONFIG_NLS_CODEPAGE_855=m +CONFIG_NLS_CODEPAGE_857=m +CONFIG_NLS_CODEPAGE_860=m +CONFIG_NLS_CODEPAGE_861=m +CONFIG_NLS_CODEPAGE_862=m +CONFIG_NLS_CODEPAGE_863=m +CONFIG_NLS_CODEPAGE_864=m +CONFIG_NLS_CODEPAGE_865=m +CONFIG_NLS_CODEPAGE_866=m +CONFIG_NLS_CODEPAGE_869=m +CONFIG_NLS_CODEPAGE_936=m +CONFIG_NLS_CODEPAGE_950=m +CONFIG_NLS_CODEPAGE_932=m +CONFIG_NLS_CODEPAGE_949=m +CONFIG_NLS_CODEPAGE_874=m +CONFIG_NLS_ISO8859_8=m +CONFIG_NLS_CODEPAGE_1250=m +CONFIG_NLS_CODEPAGE_1251=m +CONFIG_NLS_ASCII=m +CONFIG_NLS_ISO8859_1=m +CONFIG_NLS_ISO8859_2=m +CONFIG_NLS_ISO8859_3=m +CONFIG_NLS_ISO8859_4=m +CONFIG_NLS_ISO8859_5=m +CONFIG_NLS_ISO8859_6=m +CONFIG_NLS_ISO8859_7=m +CONFIG_NLS_ISO8859_9=m +CONFIG_NLS_ISO8859_13=m +CONFIG_NLS_ISO8859_14=m +CONFIG_NLS_ISO8859_15=m +CONFIG_NLS_KOI8_R=m +CONFIG_NLS_KOI8_U=m +CONFIG_NLS_UTF8=m +# CONFIG_DLM is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +CONFIG_LIBCRC32C=m +CONFIG_ZLIB_INFLATE=m +CONFIG_ZLIB_DEFLATE=m +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y +CONFIG_HAVE_LMB=y + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_SAMPLES is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_DEBUGGER=y +# CONFIG_XMON is not set +# CONFIG_IRQSTACKS is not set +# CONFIG_BDI_SWITCH is not set +# CONFIG_PPC_EARLY_DEBUG is not set + +# +# Security options +# +# CONFIG_KEYS is not set +CONFIG_SECURITY=y +CONFIG_SECURITY_NETWORK=y +# CONFIG_SECURITY_NETWORK_XFRM is not set +CONFIG_SECURITY_CAPABILITIES=y +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_SECURITY_ROOTPLUG is not set +CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0 +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_NULL=m +# CONFIG_CRYPTO_CRYPTD is not set +CONFIG_CRYPTO_AUTHENC=m +CONFIG_CRYPTO_TEST=m + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=m +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +CONFIG_CRYPTO_CRC32C=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_MICHAEL_MIC=m +CONFIG_CRYPTO_SHA1=m +CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA512=m +# CONFIG_CRYPTO_TGR192 is not set +CONFIG_CRYPTO_WP512=m + +# +# Ciphers +# +CONFIG_CRYPTO_AES=m +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_ARC4=m +CONFIG_CRYPTO_BLOWFISH=m +# CONFIG_CRYPTO_CAMELLIA is not set +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +CONFIG_CRYPTO_KHAZAD=m +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m + +# +# Compression +# +CONFIG_CRYPTO_DEFLATE=m +# CONFIG_CRYPTO_LZO is not set +# CONFIG_CRYPTO_HW is not set +# CONFIG_PPC_CLOCK is not set +# CONFIG_VIRTUALIZATION is not set -- GitLab From ef89a8801321e0d0665c327c9d77d602ef764c87 Mon Sep 17 00:00:00 2001 From: Karl Beldan Date: Mon, 15 Sep 2008 14:37:29 +0200 Subject: [PATCH 1848/6244] [MTD] [NAND] nand_base.c: reset chip first Some chips require a RESET after power-up (e.g. Micron MT29FxGxxxxx). The first command sent is NAND_CMD_READID. Issue a NAND_CMD_RESET in nand_scan_ident before reading the device id. Tested with an MT29F4G08AAC. Signed-off-by: Karl Beldan Signed-off-by: David Woodhouse --- drivers/mtd/nand/nand_base.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d303db39c48d..0a9c9cd33f96 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2318,6 +2318,12 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, /* Select the device */ chip->select_chip(mtd, 0); + /* + * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx) + * after power-up + */ + chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + /* Send the command for reading device ID */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); @@ -2488,6 +2494,8 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips) /* Check for a chip array */ for (i = 1; i < maxchips; i++) { chip->select_chip(mtd, i); + /* See comment in nand_get_flash_type for reset */ + chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); /* Send the command for reading device ID */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); /* Read manufacturer and device IDs */ -- GitLab From 998564789137921acae9e367b61c5a1dc295653d Mon Sep 17 00:00:00 2001 From: Paul Bolle Date: Tue, 16 Sep 2008 11:17:03 +0200 Subject: [PATCH 1849/6244] x86 setup: drop SWAP_DEV Impact: None (cleanup) SWAP_DEV is unused since 2.6.23-rc1. The comment was already incorrect since (at least) 2.6.12. Signed-off-by: Paul Bolle Signed-off-by: H. Peter Anvin --- arch/x86/boot/header.S | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S index af86e431acfa..b993062e9a5f 100644 --- a/arch/x86/boot/header.S +++ b/arch/x86/boot/header.S @@ -30,7 +30,6 @@ SYSSEG = DEF_SYSSEG /* system loaded at 0x10000 (65536) */ SYSSIZE = DEF_SYSSIZE /* system size: # of 16-byte clicks */ /* to be loaded */ ROOT_DEV = 0 /* ROOT_DEV is now written by "build" */ -SWAP_DEV = 0 /* SWAP_DEV is now written by "build" */ #ifndef SVGA_MODE #define SVGA_MODE ASK_VGA -- GitLab From f1eaf16a9e843aa915b86594b60ec6cd66c9eac7 Mon Sep 17 00:00:00 2001 From: Jochen Friedrich Date: Wed, 27 Aug 2008 12:32:25 +0200 Subject: [PATCH 1850/6244] powerpc/cpm1: Fix race condition in CPM1 GPIO library. The CPM1 GPIO library code uses the non thread-safe clrbits32/setbits32 macros. This patch protects them with a spinlock. Based on the CPM2 patch from Laurent Pinchart , commit 639d64456e20cbfc866b18dc03cf9f9babc9c7cd. Signed-off-by: Jochen Friedrich Signed-off-by: Kumar Gala --- arch/powerpc/sysdev/cpm1.c | 74 ++++++++++++++++++++++++++------------ 1 file changed, 52 insertions(+), 22 deletions(-) diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 4a04823e8423..490473ce8103 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -546,15 +546,11 @@ static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio) return !!(in_be16(&iop->dat) & pin_mask); } -static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) +static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask, + int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc); struct cpm_ioport16 __iomem *iop = mm_gc->regs; - unsigned long flags; - u16 pin_mask = 1 << (15 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); if (value) cpm1_gc->cpdata |= pin_mask; @@ -562,6 +558,18 @@ static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) cpm1_gc->cpdata &= ~pin_mask; out_be16(&iop->dat, cpm1_gc->cpdata); +} + +static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) +{ + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc); + unsigned long flags; + u16 pin_mask = 1 << (15 - gpio); + + spin_lock_irqsave(&cpm1_gc->lock, flags); + + __cpm1_gpio16_set(mm_gc, pin_mask, value); spin_unlock_irqrestore(&cpm1_gc->lock, flags); } @@ -569,14 +577,17 @@ static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value) static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc); struct cpm_ioport16 __iomem *iop = mm_gc->regs; - u16 pin_mask; + unsigned long flags; + u16 pin_mask = 1 << (15 - gpio); - pin_mask = 1 << (15 - gpio); + spin_lock_irqsave(&cpm1_gc->lock, flags); setbits16(&iop->dir, pin_mask); + __cpm1_gpio16_set(mm_gc, pin_mask, val); - cpm1_gpio16_set(gc, gpio, val); + spin_unlock_irqrestore(&cpm1_gc->lock, flags); return 0; } @@ -584,13 +595,17 @@ static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc); struct cpm_ioport16 __iomem *iop = mm_gc->regs; - u16 pin_mask; + unsigned long flags; + u16 pin_mask = 1 << (15 - gpio); - pin_mask = 1 << (15 - gpio); + spin_lock_irqsave(&cpm1_gc->lock, flags); clrbits16(&iop->dir, pin_mask); + spin_unlock_irqrestore(&cpm1_gc->lock, flags); + return 0; } @@ -655,15 +670,11 @@ static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio) return !!(in_be32(&iop->dat) & pin_mask); } -static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) +static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask, + int value) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc); struct cpm_ioport32b __iomem *iop = mm_gc->regs; - unsigned long flags; - u32 pin_mask = 1 << (31 - gpio); - - spin_lock_irqsave(&cpm1_gc->lock, flags); if (value) cpm1_gc->cpdata |= pin_mask; @@ -671,6 +682,18 @@ static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) cpm1_gc->cpdata &= ~pin_mask; out_be32(&iop->dat, cpm1_gc->cpdata); +} + +static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) +{ + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc); + unsigned long flags; + u32 pin_mask = 1 << (31 - gpio); + + spin_lock_irqsave(&cpm1_gc->lock, flags); + + __cpm1_gpio32_set(mm_gc, pin_mask, value); spin_unlock_irqrestore(&cpm1_gc->lock, flags); } @@ -678,14 +701,17 @@ static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value) static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc); struct cpm_ioport32b __iomem *iop = mm_gc->regs; - u32 pin_mask; + unsigned long flags; + u32 pin_mask = 1 << (31 - gpio); - pin_mask = 1 << (31 - gpio); + spin_lock_irqsave(&cpm1_gc->lock, flags); setbits32(&iop->dir, pin_mask); + __cpm1_gpio32_set(mm_gc, pin_mask, val); - cpm1_gpio32_set(gc, gpio, val); + spin_unlock_irqrestore(&cpm1_gc->lock, flags); return 0; } @@ -693,13 +719,17 @@ static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc); struct cpm_ioport32b __iomem *iop = mm_gc->regs; - u32 pin_mask; + unsigned long flags; + u32 pin_mask = 1 << (31 - gpio); - pin_mask = 1 << (31 - gpio); + spin_lock_irqsave(&cpm1_gc->lock, flags); clrbits32(&iop->dir, pin_mask); + spin_unlock_irqrestore(&cpm1_gc->lock, flags); + return 0; } -- GitLab From 5f0319a79043457d2555f059fac68c1d840ce381 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Tue, 16 Sep 2008 14:05:16 -0400 Subject: [PATCH 1851/6244] cifs: clean up variables in cifs_unlink Change parameters to cifs_unlink to match the ones used in the generic VFS. Add some local variables to cut down on the amount of struct dereferencing that needs to be done, and eliminate some unneeded NULL pointer checks on the parent directory inode. Finally, rename pTcon to "tcon" to more closely match standard kernel coding style. Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/cifsfs.h | 2 +- fs/cifs/inode.c | 90 ++++++++++++++++++++++-------------------------- 2 files changed, 42 insertions(+), 50 deletions(-) diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 135c965c4137..f7b4a5cd837b 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -41,7 +41,7 @@ extern int cifs_create(struct inode *, struct dentry *, int, struct nameidata *); extern struct dentry *cifs_lookup(struct inode *, struct dentry *, struct nameidata *); -extern int cifs_unlink(struct inode *, struct dentry *); +extern int cifs_unlink(struct inode *dir, struct dentry *dentry); extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t); extern int cifs_mkdir(struct inode *, struct dentry *, int); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 9c548f110102..511c52616794 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -665,40 +665,34 @@ struct inode *cifs_iget(struct super_block *sb, unsigned long ino) return inode; } -int cifs_unlink(struct inode *inode, struct dentry *direntry) +int cifs_unlink(struct inode *dir, struct dentry *dentry) { int rc = 0; int xid; - struct cifs_sb_info *cifs_sb; - struct cifsTconInfo *pTcon; char *full_path = NULL; + struct inode *inode = dentry->d_inode; struct cifsInodeInfo *cifsInode; + struct super_block *sb = dir->i_sb; + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + struct cifsTconInfo *tcon = cifs_sb->tcon; FILE_BASIC_INFO *pinfo_buf; - cFYI(1, ("cifs_unlink, inode = 0x%p", inode)); + cFYI(1, ("cifs_unlink, dir=0x%p, dentry=0x%p", dir, dentry)); xid = GetXid(); - if (inode) - cifs_sb = CIFS_SB(inode->i_sb); - else - cifs_sb = CIFS_SB(direntry->d_sb); - pTcon = cifs_sb->tcon; - - /* Unlink can be called from rename so we can not grab the sem here - since we deadlock otherwise */ -/* mutex_lock(&direntry->d_sb->s_vfs_rename_mutex);*/ - full_path = build_path_from_dentry(direntry); -/* mutex_unlock(&direntry->d_sb->s_vfs_rename_mutex);*/ + /* Unlink can be called from rename so we can not take the + * sb->s_vfs_rename_mutex here */ + full_path = build_path_from_dentry(dentry); if (full_path == NULL) { FreeXid(xid); return -ENOMEM; } - if ((pTcon->ses->capabilities & CAP_UNIX) && + if ((tcon->ses->capabilities & CAP_UNIX) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(pTcon->fsUnixInfo.Capability))) { - rc = CIFSPOSIXDelFile(xid, pTcon, full_path, + le64_to_cpu(tcon->fsUnixInfo.Capability))) { + rc = CIFSPOSIXDelFile(xid, tcon, full_path, SMB_POSIX_UNLINK_FILE_TARGET, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); cFYI(1, ("posix del rc %d", rc)); @@ -706,31 +700,31 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry) goto psx_del_no_retry; } - rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls, + rc = CIFSSMBDelFile(xid, tcon, full_path, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); psx_del_no_retry: if (!rc) { - if (direntry->d_inode) - drop_nlink(direntry->d_inode); + if (inode) + drop_nlink(inode); } else if (rc == -ENOENT) { - d_drop(direntry); + d_drop(dentry); } else if (rc == -ETXTBSY) { int oplock = 0; __u16 netfid; - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE, + rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, DELETE, CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE, &netfid, &oplock, NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { - CIFSSMBRenameOpenFile(xid, pTcon, netfid, NULL, + CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - CIFSSMBClose(xid, pTcon, netfid); - if (direntry->d_inode) - drop_nlink(direntry->d_inode); + CIFSSMBClose(xid, tcon, netfid); + if (inode) + drop_nlink(inode); } } else if (rc == -EACCES) { /* try only if r/o attribute set in local lookup data? */ @@ -738,8 +732,8 @@ psx_del_no_retry: if (pinfo_buf) { /* ATTRS set to normal clears r/o bit */ pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL); - if (!(pTcon->ses->flags & CIFS_SES_NT4)) - rc = CIFSSMBSetPathInfo(xid, pTcon, full_path, + if (!(tcon->ses->flags & CIFS_SES_NT4)) + rc = CIFSSMBSetPathInfo(xid, tcon, full_path, pinfo_buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & @@ -750,7 +744,7 @@ psx_del_no_retry: if (rc == -EOPNOTSUPP) { int oplock = 0; __u16 netfid; - /* rc = CIFSSMBSetAttrLegacy(xid, pTcon, + /* rc = CIFSSMBSetAttrLegacy(xid, tcon, full_path, (__u16)ATTR_NORMAL, cifs_sb->local_nls); @@ -761,7 +755,7 @@ psx_del_no_retry: /* BB could scan to see if we already have it open and pass in pid of opener to function */ - rc = CIFSSMBOpen(xid, pTcon, full_path, + rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, 0, &netfid, &oplock, NULL, @@ -769,28 +763,28 @@ psx_del_no_retry: cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { - rc = CIFSSMBSetFileInfo(xid, pTcon, + rc = CIFSSMBSetFileInfo(xid, tcon, pinfo_buf, netfid, current->tgid); - CIFSSMBClose(xid, pTcon, netfid); + CIFSSMBClose(xid, tcon, netfid); } } kfree(pinfo_buf); } if (rc == 0) { - rc = CIFSSMBDelFile(xid, pTcon, full_path, + rc = CIFSSMBDelFile(xid, tcon, full_path, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (!rc) { - if (direntry->d_inode) - drop_nlink(direntry->d_inode); + if (inode) + drop_nlink(inode); } else if (rc == -ETXTBSY) { int oplock = 0; __u16 netfid; - rc = CIFSSMBOpen(xid, pTcon, full_path, + rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, DELETE, CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE, @@ -799,30 +793,28 @@ psx_del_no_retry: cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { - CIFSSMBRenameOpenFile(xid, pTcon, + CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - CIFSSMBClose(xid, pTcon, netfid); - if (direntry->d_inode) - drop_nlink(direntry->d_inode); + CIFSSMBClose(xid, tcon, netfid); + if (inode) + drop_nlink(inode); } /* BB if rc = -ETXTBUSY goto the rename logic BB */ } } } - if (direntry->d_inode) { - cifsInode = CIFS_I(direntry->d_inode); - cifsInode->time = 0; /* will force revalidate to get info - when needed */ - direntry->d_inode->i_ctime = current_fs_time(inode->i_sb); - } if (inode) { - inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb); cifsInode = CIFS_I(inode); - cifsInode->time = 0; /* force revalidate of dir as well */ + cifsInode->time = 0; /* will force revalidate to get info + when needed */ + inode->i_ctime = current_fs_time(sb); } + dir->i_ctime = dir->i_mtime = current_fs_time(sb); + cifsInode = CIFS_I(dir); + cifsInode->time = 0; /* force revalidate of dir as well */ kfree(full_path); FreeXid(xid); -- GitLab From 97fc0555dae8f4d437c8672c14d7191962429be4 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Tue, 16 Sep 2008 15:09:26 -0700 Subject: [PATCH 1852/6244] x86 setup: handle more than 8 CPU flag words Checkin e38e05a85828dac23540cd007df5f20985388afc added a 9th CPU flag word, but didn't adjust the boot code to match. This patch adds the necessary boot code support. Note: due to a typo in an #if statement, it didn't trigger the #error this was supposed to do. Signed-off-by: H. Peter Anvin --- arch/x86/boot/cpu.c | 17 +++++++++-------- arch/x86/boot/mkcpustr.c | 38 +++++++++++++++++++------------------- 2 files changed, 28 insertions(+), 27 deletions(-) diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c index 75298fe2edca..6ec6bb6e9957 100644 --- a/arch/x86/boot/cpu.c +++ b/arch/x86/boot/cpu.c @@ -59,17 +59,18 @@ int validate_cpu(void) u32 e = err_flags[i]; for (j = 0; j < 32; j++) { - int n = (i << 5)+j; - if (*msg_strs < n) { + if (msg_strs[0] < i || + (msg_strs[0] == i && msg_strs[1] < j)) { /* Skip to the next string */ - do { - msg_strs++; - } while (*msg_strs); - msg_strs++; + msg_strs += 2; + while (*msg_strs++) + ; } if (e & 1) { - if (*msg_strs == n && msg_strs[1]) - printf("%s ", msg_strs+1); + if (msg_strs[0] == i && + msg_strs[1] == j && + msg_strs[2]) + printf("%s ", msg_strs+2); else printf("%d:%d ", i, j); } diff --git a/arch/x86/boot/mkcpustr.c b/arch/x86/boot/mkcpustr.c index 4589caa3e9d1..8ef60f20b371 100644 --- a/arch/x86/boot/mkcpustr.c +++ b/arch/x86/boot/mkcpustr.c @@ -17,31 +17,31 @@ #include "../kernel/cpu/capflags.c" -#if NCAPFLAGS > 8 -# error "Need to adjust the boot code handling of CPUID strings" -#endif - int main(void) { - int i; + int i, j; const char *str; printf("static const char x86_cap_strs[] = \n"); - for (i = 0; i < NCAPINTS*32; i++) { - str = x86_cap_flags[i]; - - if (i == NCAPINTS*32-1) { - /* The last entry must be unconditional; this - also consumes the compiler-added null character */ - if (!str) - str = ""; - printf("\t\"\\x%02x\"\"%s\"\n", i, str); - } else if (str) { - printf("#if REQUIRED_MASK%d & (1 << %d)\n" - "\t\"\\x%02x\"\"%s\\0\"\n" - "#endif\n", - i >> 5, i & 31, i, str); + for (i = 0; i < NCAPINTS; i++) { + for (j = 0; j < 32; j++) { + str = x86_cap_flags[i*32+j]; + + if (i == NCAPINTS-1 && j == 31) { + /* The last entry must be unconditional; this + also consumes the compiler-added null + character */ + if (!str) + str = ""; + printf("\t\"\\x%02x\\x%02x\"\"%s\"\n", + i, j, str); + } else if (str) { + printf("#if REQUIRED_MASK%d & (1 << %d)\n" + "\t\"\\x%02x\\x%02x\"\"%s\\0\"\n" + "#endif\n", + i, j, i, j, str); + } } } printf("\t;\n"); -- GitLab From 388e57b2759672a3e3ede0d2f7e95124b417b0a3 Mon Sep 17 00:00:00 2001 From: Steve French Date: Tue, 16 Sep 2008 23:50:58 +0000 Subject: [PATCH 1853/6244] [CIFS] use common code for turning off ATTR_READONLY in cifs_unlink We already have a cifs_set_file_info function that can flip DOS attribute bits. Have cifs_unlink call it to handle turning ATTR_HIDDEN on and ATTR_READONLY off when an unlink attempt returns -EACCES. This also removes a level of indentation from cifs_unlink. Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/inode.c | 306 ++++++++++++++++++++++-------------------------- 1 file changed, 139 insertions(+), 167 deletions(-) diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 511c52616794..8dbc7c90309c 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -665,6 +665,101 @@ struct inode *cifs_iget(struct super_block *sb, unsigned long ino) return inode; } +static int +cifs_set_file_info(struct inode *inode, struct iattr *attrs, int xid, + char *full_path, __u32 dosattr) +{ + int rc; + int oplock = 0; + __u16 netfid; + __u32 netpid; + bool set_time = false; + struct cifsFileInfo *open_file; + struct cifsInodeInfo *cifsInode = CIFS_I(inode); + struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); + struct cifsTconInfo *pTcon = cifs_sb->tcon; + FILE_BASIC_INFO info_buf; + + if (attrs->ia_valid & ATTR_ATIME) { + set_time = true; + info_buf.LastAccessTime = + cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_atime)); + } else + info_buf.LastAccessTime = 0; + + if (attrs->ia_valid & ATTR_MTIME) { + set_time = true; + info_buf.LastWriteTime = + cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_mtime)); + } else + info_buf.LastWriteTime = 0; + + /* + * Samba throws this field away, but windows may actually use it. + * Do not set ctime unless other time stamps are changed explicitly + * (i.e. by utimes()) since we would then have a mix of client and + * server times. + */ + if (set_time && (attrs->ia_valid & ATTR_CTIME)) { + cFYI(1, ("CIFS - CTIME changed")); + info_buf.ChangeTime = + cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_ctime)); + } else + info_buf.ChangeTime = 0; + + info_buf.CreationTime = 0; /* don't change */ + info_buf.Attributes = cpu_to_le32(dosattr); + + /* + * If the file is already open for write, just use that fileid + */ + open_file = find_writable_file(cifsInode); + if (open_file) { + netfid = open_file->netfid; + netpid = open_file->pid; + goto set_via_filehandle; + } + + /* + * NT4 apparently returns success on this call, but it doesn't + * really work. + */ + if (!(pTcon->ses->flags & CIFS_SES_NT4)) { + rc = CIFSSMBSetPathInfo(xid, pTcon, full_path, + &info_buf, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + if (rc != -EOPNOTSUPP && rc != -EINVAL) + goto out; + } + + cFYI(1, ("calling SetFileInfo since SetPathInfo for " + "times not supported by this server")); + rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, + SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, + CREATE_NOT_DIR, &netfid, &oplock, + NULL, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + + if (rc != 0) { + if (rc == -EIO) + rc = -EINVAL; + goto out; + } + + netpid = current->tgid; + +set_via_filehandle: + rc = CIFSSMBSetFileInfo(xid, pTcon, &info_buf, netfid, netpid); + if (open_file == NULL) + CIFSSMBClose(xid, pTcon, netfid); + else + atomic_dec(&open_file->wrtPending); +out: + return rc; +} + int cifs_unlink(struct inode *dir, struct dentry *dentry) { int rc = 0; @@ -675,7 +770,8 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry) struct super_block *sb = dir->i_sb; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifsTconInfo *tcon = cifs_sb->tcon; - FILE_BASIC_INFO *pinfo_buf; + struct iattr *attrs; + __u32 dosattr; cFYI(1, ("cifs_unlink, dir=0x%p, dentry=0x%p", dir, dentry)); @@ -728,84 +824,55 @@ psx_del_no_retry: } } else if (rc == -EACCES) { /* try only if r/o attribute set in local lookup data? */ - pinfo_buf = kzalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL); - if (pinfo_buf) { - /* ATTRS set to normal clears r/o bit */ - pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL); - if (!(tcon->ses->flags & CIFS_SES_NT4)) - rc = CIFSSMBSetPathInfo(xid, tcon, full_path, - pinfo_buf, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - else - rc = -EOPNOTSUPP; - - if (rc == -EOPNOTSUPP) { - int oplock = 0; - __u16 netfid; - /* rc = CIFSSMBSetAttrLegacy(xid, tcon, - full_path, - (__u16)ATTR_NORMAL, - cifs_sb->local_nls); - For some strange reason it seems that NT4 eats the - old setattr call without actually setting the - attributes so on to the third attempted workaround - */ - - /* BB could scan to see if we already have it open - and pass in pid of opener to function */ - rc = CIFSSMBOpen(xid, tcon, full_path, - FILE_OPEN, SYNCHRONIZE | - FILE_WRITE_ATTRIBUTES, 0, - &netfid, &oplock, NULL, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc == 0) { - rc = CIFSSMBSetFileInfo(xid, tcon, - pinfo_buf, - netfid, - current->tgid); - CIFSSMBClose(xid, tcon, netfid); - } - } - kfree(pinfo_buf); + attrs = kzalloc(sizeof(*attrs), GFP_KERNEL); + if (attrs == NULL) { + rc = -ENOMEM; + goto out_reval; } + + /* try to reset dos attributes */ + cifsInode = CIFS_I(inode); + dosattr = cifsInode->cifsAttrs & ~ATTR_READONLY; + if (dosattr == 0) + dosattr |= ATTR_NORMAL; + dosattr |= ATTR_HIDDEN; + + rc = cifs_set_file_info(inode, attrs, xid, full_path, dosattr); + kfree(attrs); + if (rc != 0) + goto out_reval; + rc = CIFSSMBDelFile(xid, tcon, full_path, cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { - rc = CIFSSMBDelFile(xid, tcon, full_path, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (!rc) { + if (inode) + drop_nlink(inode); + } else if (rc == -ETXTBSY) { + int oplock = 0; + __u16 netfid; + + rc = CIFSSMBOpen(xid, tcon, full_path, + FILE_OPEN, DELETE, + CREATE_NOT_DIR | + CREATE_DELETE_ON_CLOSE, + &netfid, &oplock, NULL, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + if (rc == 0) { + CIFSSMBRenameOpenFile(xid, tcon, + netfid, NULL, + cifs_sb->local_nls, + cifs_sb->mnt_cifs_flags & + CIFS_MOUNT_MAP_SPECIAL_CHR); + CIFSSMBClose(xid, tcon, netfid); if (inode) drop_nlink(inode); - } else if (rc == -ETXTBSY) { - int oplock = 0; - __u16 netfid; - - rc = CIFSSMBOpen(xid, tcon, full_path, - FILE_OPEN, DELETE, - CREATE_NOT_DIR | - CREATE_DELETE_ON_CLOSE, - &netfid, &oplock, NULL, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc == 0) { - CIFSSMBRenameOpenFile(xid, tcon, - netfid, NULL, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - CIFSSMBClose(xid, tcon, netfid); - if (inode) - drop_nlink(inode); - } - /* BB if rc = -ETXTBUSY goto the rename logic BB */ } + /* BB if rc = -ETXTBUSY goto the rename logic BB */ } } +out_reval: if (inode) { cifsInode = CIFS_I(inode); cifsInode->time = 0; /* will force revalidate to get info @@ -1498,101 +1565,6 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs, return rc; } -static int -cifs_set_file_info(struct inode *inode, struct iattr *attrs, int xid, - char *full_path, __u32 dosattr) -{ - int rc; - int oplock = 0; - __u16 netfid; - __u32 netpid; - bool set_time = false; - struct cifsFileInfo *open_file; - struct cifsInodeInfo *cifsInode = CIFS_I(inode); - struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); - struct cifsTconInfo *pTcon = cifs_sb->tcon; - FILE_BASIC_INFO info_buf; - - if (attrs->ia_valid & ATTR_ATIME) { - set_time = true; - info_buf.LastAccessTime = - cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_atime)); - } else - info_buf.LastAccessTime = 0; - - if (attrs->ia_valid & ATTR_MTIME) { - set_time = true; - info_buf.LastWriteTime = - cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_mtime)); - } else - info_buf.LastWriteTime = 0; - - /* - * Samba throws this field away, but windows may actually use it. - * Do not set ctime unless other time stamps are changed explicitly - * (i.e. by utimes()) since we would then have a mix of client and - * server times. - */ - if (set_time && (attrs->ia_valid & ATTR_CTIME)) { - cFYI(1, ("CIFS - CTIME changed")); - info_buf.ChangeTime = - cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_ctime)); - } else - info_buf.ChangeTime = 0; - - info_buf.CreationTime = 0; /* don't change */ - info_buf.Attributes = cpu_to_le32(dosattr); - - /* - * If the file is already open for write, just use that fileid - */ - open_file = find_writable_file(cifsInode); - if (open_file) { - netfid = open_file->netfid; - netpid = open_file->pid; - goto set_via_filehandle; - } - - /* - * NT4 apparently returns success on this call, but it doesn't - * really work. - */ - if (!(pTcon->ses->flags & CIFS_SES_NT4)) { - rc = CIFSSMBSetPathInfo(xid, pTcon, full_path, - &info_buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc != -EOPNOTSUPP && rc != -EINVAL) - goto out; - } - - cFYI(1, ("calling SetFileInfo since SetPathInfo for " - "times not supported by this server")); - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, - SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, - CREATE_NOT_DIR, &netfid, &oplock, - NULL, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - - if (rc != 0) { - if (rc == -EIO) - rc = -EINVAL; - goto out; - } - - netpid = current->tgid; - -set_via_filehandle: - rc = CIFSSMBSetFileInfo(xid, pTcon, &info_buf, netfid, netpid); - if (open_file == NULL) - CIFSSMBClose(xid, pTcon, netfid); - else - atomic_dec(&open_file->wrtPending); -out: - return rc; -} - static int cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) { -- GitLab From 9e691ed68d94ab3047e028736641445b4cf74d67 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Wed, 17 Sep 2008 10:10:41 +1000 Subject: [PATCH 1854/6244] ipvs: only unlock in ip_vs_edit_service() if already locked Jumping to out unlocks __ip_vs_svc_lock, but that lock is not taken until after code that may jump to out. This problem was detected by sparse. make C=1 CHECK net/ipv4/ipvs/ip_vs_ctl.c net/ipv4/ipvs/ip_vs_ctl.c:1332:2: warning: context imbalance in 'ip_vs_edit_service' - unexpected unlock Acked-by: Sven Wegener Acked-by: Julius Volz Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_ctl.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c index 993a83fb0d56..60ca24b9ec00 100644 --- a/net/ipv4/ipvs/ip_vs_ctl.c +++ b/net/ipv4/ipvs/ip_vs_ctl.c @@ -1305,7 +1305,7 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) */ if ((ret = ip_vs_unbind_scheduler(svc))) { old_sched = sched; - goto out; + goto out_unlock; } /* @@ -1324,12 +1324,13 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) */ ip_vs_bind_scheduler(svc, old_sched); old_sched = sched; - goto out; + goto out_unlock; } } - out: + out_unlock: write_unlock_bh(&__ip_vs_svc_lock); + out: if (old_sched) ip_vs_scheduler_put(old_sched); -- GitLab From dff630ddad3884b99fae3ad92f5eccbf26618679 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Wed, 17 Sep 2008 10:10:42 +1000 Subject: [PATCH 1855/6244] ipvs: supply a valid 0 address to ip_vs_conn_new() ip_vs_conn_new expects a union nf_inet_addr as the type for its address parameters, not a plain integer. This problem was detected by sparse. make C=1 CHECK net/ipv4/ipvs/ip_vs_core.c net/ipv4/ipvs/ip_vs_core.c:469:9: warning: Using plain integer as NULL pointer Acked-by: Sven Wegener Acked-by: Julius Volz Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c index 80a4fcf33a54..ece748dbd0cd 100644 --- a/net/ipv4/ipvs/ip_vs_core.c +++ b/net/ipv4/ipvs/ip_vs_core.c @@ -457,6 +457,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, if (sysctl_ip_vs_cache_bypass && svc->fwmark && unicast) { int ret, cs; struct ip_vs_conn *cp; + union nf_inet_addr daddr = { .all = { 0, 0, 0, 0 } }; ip_vs_service_put(svc); @@ -465,7 +466,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, cp = ip_vs_conn_new(svc->af, iph.protocol, &iph.saddr, pptr[0], &iph.daddr, pptr[1], - 0, 0, + &daddr, 0, IP_VS_CONN_F_BYPASS, NULL); if (cp == NULL) -- GitLab From 563e94f072714657a82a59a3bf81a719a6a25591 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Wed, 17 Sep 2008 10:10:42 +1000 Subject: [PATCH 1856/6244] ipvs: add __aquire/__release annotations to ip_vs_info_seq_start/ip_vs_info_seq_stop This teaches sparse that the following are not problems: make C=1 CHECK net/ipv4/ipvs/ip_vs_ctl.c net/ipv4/ipvs/ip_vs_ctl.c:1793:14: warning: context imbalance in 'ip_vs_info_seq_start' - wrong count at exit net/ipv4/ipvs/ip_vs_ctl.c:1842:13: warning: context imbalance in 'ip_vs_info_seq_stop' - unexpected unlock Acked-by: Sven Wegener Acked-by: Julius Volz Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_ctl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c index 60ca24b9ec00..771551d8fba9 100644 --- a/net/ipv4/ipvs/ip_vs_ctl.c +++ b/net/ipv4/ipvs/ip_vs_ctl.c @@ -1787,6 +1787,7 @@ static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos) } static void *ip_vs_info_seq_start(struct seq_file *seq, loff_t *pos) +__acquires(__ip_vs_svc_lock) { read_lock_bh(&__ip_vs_svc_lock); @@ -1840,6 +1841,7 @@ static void *ip_vs_info_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void ip_vs_info_seq_stop(struct seq_file *seq, void *v) +__releases(__ip_vs_svc_lock) { read_unlock_bh(&__ip_vs_svc_lock); } -- GitLab From d286600e199aa2f1058a1f883d234e73626304d2 Mon Sep 17 00:00:00 2001 From: Brian Haley Date: Tue, 16 Sep 2008 11:11:11 -0400 Subject: [PATCH 1857/6244] ipvs: change some __constant_htons() to htons() Change __contant_htons() to htons() in the IPVS code when not in an initializer. -Brian Signed-off-by: Brian Haley Acked-by: Julius Volz Signed-off-by: Simon Horman --- net/ipv4/ipvs/ip_vs_proto.c | 2 +- net/ipv4/ipvs/ip_vs_proto_ah_esp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/ipvs/ip_vs_proto.c b/net/ipv4/ipvs/ip_vs_proto.c index b06da1c3445a..0791f9e08feb 100644 --- a/net/ipv4/ipvs/ip_vs_proto.c +++ b/net/ipv4/ipvs/ip_vs_proto.c @@ -237,7 +237,7 @@ ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, const char *msg) { #ifdef CONFIG_IP_VS_IPV6 - if (skb->protocol == __constant_htons(ETH_P_IPV6)) + if (skb->protocol == htons(ETH_P_IPV6)) ip_vs_tcpudp_debug_packet_v6(pp, skb, offset, msg); else #endif diff --git a/net/ipv4/ipvs/ip_vs_proto_ah_esp.c b/net/ipv4/ipvs/ip_vs_proto_ah_esp.c index 2b18a78d0399..80ab0c8e5b4a 100644 --- a/net/ipv4/ipvs/ip_vs_proto_ah_esp.c +++ b/net/ipv4/ipvs/ip_vs_proto_ah_esp.c @@ -167,7 +167,7 @@ ah_esp_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb, int offset, const char *msg) { #ifdef CONFIG_IP_VS_IPV6 - if (skb->protocol == __constant_htons(ETH_P_IPV6)) + if (skb->protocol == htons(ETH_P_IPV6)) ah_esp_debug_packet_v6(pp, skb, offset, msg); else #endif -- GitLab From ac7643e4d36c63b190709777d9e03392a7d20477 Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Mon, 15 Sep 2008 04:09:14 -0700 Subject: [PATCH 1858/6244] ARM: DaVinci: Update IO address pointer typechecking Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/board-evm.c | 2 +- arch/arm/mach-davinci/include/mach/io.h | 43 ++++++++----------------- 2 files changed, 14 insertions(+), 31 deletions(-) diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c index 134355787814..2db7b7850fb5 100644 --- a/arch/arm/mach-davinci/board-evm.c +++ b/arch/arm/mach-davinci/board-evm.c @@ -124,7 +124,7 @@ static __init void davinci_evm_irq_init(void) MACHINE_START(DAVINCI_EVM, "DaVinci EVM") /* Maintainer: MontaVista Software */ .phys_io = IO_PHYS, - .io_pg_offst = (io_p2v(IO_PHYS) >> 18) & 0xfffc, + .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, .boot_params = (DAVINCI_DDR_BASE + 0x100), .map_io = davinci_evm_map_io, .init_irq = davinci_evm_irq_init, diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h index e7accb910864..b78ee9140496 100644 --- a/arch/arm/mach-davinci/include/mach/io.h +++ b/arch/arm/mach-davinci/include/mach/io.h @@ -22,9 +22,8 @@ #define IO_OFFSET 0xfd000000 /* Virtual IO = 0xfec00000 */ #define IO_SIZE 0x00400000 #define IO_VIRT (IO_PHYS + IO_OFFSET) -#define io_p2v(pa) ((pa) + IO_OFFSET) #define io_v2p(va) ((va) - IO_OFFSET) -#define IO_ADDRESS(x) io_p2v(x) +#define __IO_ADDRESS(x) ((x) + IO_OFFSET) /* * We don't actually have real ISA nor PCI buses, but there is so many @@ -35,7 +34,12 @@ #define __mem_pci(a) (a) #define __mem_isa(a) (a) -#ifndef __ASSEMBLER__ +#define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa)) + +#ifdef __ASSEMBLER__ +#define IOMEM(x) x +#else +#define IOMEM(x) ((void __force __iomem *)(x)) /* * Functions to access the DaVinci IO region @@ -46,34 +50,13 @@ * - DO NOT use hardcoded virtual addresses to allow changing the * IO address space again if needed */ -#define davinci_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a)) -#define davinci_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a)) -#define davinci_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a)) - -#define davinci_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v)) -#define davinci_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v)) -#define davinci_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v)) - -/* 16 bit uses LDRH/STRH, base +/- offset_8 */ -typedef struct { volatile u16 offset[256]; } __regbase16; -#define __REGV16(vaddr) ((__regbase16 *)((vaddr)&~0xff)) \ - ->offset[((vaddr)&0xff)>>1] -#define __REG16(paddr) __REGV16(io_p2v(paddr)) - -/* 8/32 bit uses LDR/STR, base +/- offset_12 */ -typedef struct { volatile u8 offset[4096]; } __regbase8; -#define __REGV8(vaddr) ((__regbase8 *)((vaddr)&~4095)) \ - ->offset[((vaddr)&4095)>>0] -#define __REG8(paddr) __REGV8(io_p2v(paddr)) - -typedef struct { volatile u32 offset[4096]; } __regbase32; -#define __REGV32(vaddr) ((__regbase32 *)((vaddr)&~4095)) \ - ->offset[((vaddr)&4095)>>2] - -#define __REG(paddr) __REGV32(io_p2v(paddr)) -#else +#define davinci_readb(a) __raw_readb(IO_ADDRESS(a)) +#define davinci_readw(a) __raw_readw(IO_ADDRESS(a)) +#define davinci_readl(a) __raw_readl(IO_ADDRESS(a)) -#define __REG(x) (*((volatile unsigned long *)io_p2v(x))) +#define davinci_writeb(v, a) __raw_writeb(v, IO_ADDRESS(a)) +#define davinci_writew(v, a) __raw_writew(v, IO_ADDRESS(a)) +#define davinci_writel(v, a) __raw_writel(v, IO_ADDRESS(a)) #endif /* __ASSEMBLER__ */ #endif /* __ASM_ARCH_IO_H */ -- GitLab From dce1115bc32d66237102a4c925e1e0a5e82b9945 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Sep 2008 23:41:04 -0700 Subject: [PATCH 1859/6244] ARM: DaVinci: SOC GPIOs use gpiolib Switch DaVinci SOC gpios over to using the new GPIO library, so it can access GPIO expanders and other non-SOC GPIOs using the same calls. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/Kconfig | 1 + arch/arm/mach-davinci/gpio.c | 133 ++++++++++++---------- arch/arm/mach-davinci/include/mach/gpio.h | 73 ++++++------ 3 files changed, 106 insertions(+), 101 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 70dba1668907..ea3c858d7536 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -515,6 +515,7 @@ config ARCH_DAVINCI select GENERIC_TIME select GENERIC_CLOCKEVENTS select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB select HAVE_CLK help Support for TI's DaVinci platform. diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index c9cb4f09b18f..3ebbacdd6dba 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -1,7 +1,7 @@ /* * TI DaVinci GPIO Support * - * Copyright (c) 2006 David Brownell + * Copyright (c) 2006-2007 David Brownell * Copyright (c) 2007, MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify @@ -26,47 +26,45 @@ #include -static DEFINE_SPINLOCK(gpio_lock); -static DECLARE_BITMAP(gpio_in_use, DAVINCI_N_GPIO); -int gpio_request(unsigned gpio, const char *tag) -{ - if (gpio >= DAVINCI_N_GPIO) - return -EINVAL; +static DEFINE_SPINLOCK(gpio_lock); - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; +struct davinci_gpio { + struct gpio_chip chip; + struct gpio_controller *__iomem regs; +}; - return 0; -} -EXPORT_SYMBOL(gpio_request); +static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)]; -void gpio_free(unsigned gpio) -{ - if (gpio >= DAVINCI_N_GPIO) - return; - - clear_bit(gpio, gpio_in_use); -} -EXPORT_SYMBOL(gpio_free); /* create a non-inlined version */ -static struct gpio_controller *__iomem gpio2controller(unsigned gpio) +static struct gpio_controller *__iomem __init gpio2controller(unsigned gpio) { return __gpio_to_controller(gpio); } + +/*--------------------------------------------------------------------------*/ + /* - * Assuming the pin is muxed as a gpio output, set its output value. + * board setup code *MUST* set PINMUX0 and PINMUX1 as + * needed, and enable the GPIO clock. */ -void __gpio_set(unsigned gpio, int value) + +static int davinci_direction_in(struct gpio_chip *chip, unsigned offset) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; + u32 temp; - __raw_writel(__gpio_mask(gpio), value ? &g->set_data : &g->clr_data); -} -EXPORT_SYMBOL(__gpio_set); + spin_lock(&gpio_lock); + temp = __raw_readl(&g->dir); + temp |= (1 << offset); + __raw_writel(temp, &g->dir); + spin_unlock(&gpio_lock); + return 0; +} /* * Read the pin's value (works even if it's set up as output); @@ -75,61 +73,72 @@ EXPORT_SYMBOL(__gpio_set); * Note that changes are synched to the GPIO clock, so reading values back * right after you've set them may give old values. */ -int __gpio_get(unsigned gpio) +static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; - return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data)); + return (1 << offset) & __raw_readl(&g->in_data); } -EXPORT_SYMBOL(__gpio_get); - -/*--------------------------------------------------------------------------*/ - -/* - * board setup code *MUST* set PINMUX0 and PINMUX1 as - * needed, and enable the GPIO clock. - */ - -int gpio_direction_input(unsigned gpio) +static int +davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_controller *__iomem g = gpio2controller(gpio); + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; u32 temp; - u32 mask; - - if (!g) - return -EINVAL; + u32 mask = 1 << offset; spin_lock(&gpio_lock); - mask = __gpio_mask(gpio); temp = __raw_readl(&g->dir); - temp |= mask; + temp &= ~mask; + __raw_writel(mask, value ? &g->set_data : &g->clr_data); __raw_writel(temp, &g->dir); spin_unlock(&gpio_lock); return 0; } -EXPORT_SYMBOL(gpio_direction_input); -int gpio_direction_output(unsigned gpio, int value) +/* + * Assuming the pin is muxed as a gpio output, set its output value. + */ +static void +davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct gpio_controller *__iomem g = gpio2controller(gpio); - u32 temp; - u32 mask; + struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip); + struct gpio_controller *__iomem g = d->regs; - if (!g) - return -EINVAL; + __raw_writel((1 << offset), value ? &g->set_data : &g->clr_data); +} + +static int __init davinci_gpio_setup(void) +{ + int i, base; + + for (i = 0, base = 0; + i < ARRAY_SIZE(chips); + i++, base += 32) { + chips[i].chip.label = "DaVinci"; + + chips[i].chip.direction_input = davinci_direction_in; + chips[i].chip.get = davinci_gpio_get; + chips[i].chip.direction_output = davinci_direction_out; + chips[i].chip.set = davinci_gpio_set; + + chips[i].chip.base = base; + chips[i].chip.ngpio = DAVINCI_N_GPIO - base; + if (chips[i].chip.ngpio > 32) + chips[i].chip.ngpio = 32; + + chips[i].regs = gpio2controller(base); + + gpiochip_add(&chips[i].chip); + } - spin_lock(&gpio_lock); - mask = __gpio_mask(gpio); - temp = __raw_readl(&g->dir); - temp &= ~mask; - __raw_writel(mask, value ? &g->set_data : &g->clr_data); - __raw_writel(temp, &g->dir); - spin_unlock(&gpio_lock); return 0; } -EXPORT_SYMBOL(gpio_direction_output); +pure_initcall(davinci_gpio_setup); +/*--------------------------------------------------------------------------*/ /* * We expect irqs will normally be set up as input pins, but they can also be * used as output pins ... which is convenient for testing. diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index ec151ccf1e8f..b3a2961f0f46 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -14,6 +14,7 @@ #define __DAVINCI_GPIO_H #include +#include #include /* @@ -27,13 +28,16 @@ * need to pay attention to PINMUX0 and PINMUX1 to be sure those pins are * used as gpios, not with other peripherals. * - * GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, and maybe - * for later updates, code should write GPIO(N) or: + * On-chip GPIOs are numbered 0..(DAVINCI_N_GPIO-1). For documentation, + * and maybe for later updates, code should write GPIO(N) or: * - GPIOV18(N) for 1.8V pins, N in 0..53; same as GPIO(0)..GPIO(53) * - GPIOV33(N) for 3.3V pins, N in 0..17; same as GPIO(54)..GPIO(70) * * For GPIO IRQs use gpio_to_irq(GPIO(N)) or gpio_to_irq(GPIOV33(N)) etc * for now, that's != GPIO(N) + * + * GPIOs can also be on external chips, numbered after the ones built-in + * to the DaVinci chip. For now, they won't be usable as IRQ sources. */ #define GPIO(X) (X) /* 0 <= X <= 70 */ #define GPIOV18(X) (X) /* 1.8V i/o; 0 <= X <= 53 */ @@ -67,11 +71,11 @@ __gpio_to_controller(unsigned gpio) void *__iomem ptr; if (gpio < 32) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10); else if (gpio < 64) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38); else if (gpio < DAVINCI_N_GPIO) - ptr = (void *__iomem)IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); + ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60); else ptr = NULL; return ptr; @@ -83,25 +87,17 @@ static inline u32 __gpio_mask(unsigned gpio) } /* The get/set/clear functions will inline when called with constant - * parameters, for low-overhead bitbanging. Illegal constant parameters - * cause link-time errors. + * parameters referencing built-in GPIOs, for low-overhead bitbanging. * - * Otherwise, calls with variable parameters use outlined functions. + * Otherwise, calls with variable parameters or referencing external + * GPIOs (e.g. on GPIO expander chips) use outlined functions. */ -extern int __error_inval_gpio(void); - -extern void __gpio_set(unsigned gpio, int value); -extern int __gpio_get(unsigned gpio); - static inline void gpio_set_value(unsigned gpio, int value) { - if (__builtin_constant_p(value)) { + if (__builtin_constant_p(value) && gpio < DAVINCI_N_GPIO) { struct gpio_controller *__iomem g; u32 mask; - if (gpio >= DAVINCI_N_GPIO) - __error_inval_gpio(); - g = __gpio_to_controller(gpio); mask = __gpio_mask(gpio); if (value) @@ -111,48 +107,47 @@ static inline void gpio_set_value(unsigned gpio, int value) return; } - __gpio_set(gpio, value); + __gpio_set_value(gpio, value); } /* Returns zero or nonzero; works for gpios configured as inputs OR - * as outputs. + * as outputs, at least for built-in GPIOs. * - * NOTE: changes in reported values are synchronized to the GPIO clock. - * This is most easily seen after calling gpio_set_value() and then immediatly - * gpio_get_value(), where the gpio_get_value() would return the old value - * until the GPIO clock ticks and the new value gets latched. + * NOTE: for built-in GPIOs, changes in reported values are synchronized + * to the GPIO clock. This is easily seen after calling gpio_set_value() + * and then immediately gpio_get_value(), where the gpio_get_value() will + * return the old value until the GPIO clock ticks and the new value gets + * latched. */ - static inline int gpio_get_value(unsigned gpio) { - struct gpio_controller *__iomem g; - - if (!__builtin_constant_p(gpio)) - return __gpio_get(gpio); + struct gpio_controller *__iomem g; - if (gpio >= DAVINCI_N_GPIO) - return __error_inval_gpio(); + if (!__builtin_constant_p(gpio) || gpio >= DAVINCI_N_GPIO) + return __gpio_get_value(gpio); g = __gpio_to_controller(gpio); - return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data)); + return __gpio_mask(gpio) & __raw_readl(&g->in_data); } -/* powerup default direction is IN */ -extern int gpio_direction_input(unsigned gpio); -extern int gpio_direction_output(unsigned gpio, int value); - -#include /* cansleep wrappers */ - -extern int gpio_request(unsigned gpio, const char *tag); -extern void gpio_free(unsigned gpio); +static inline int gpio_cansleep(unsigned gpio) +{ + if (__builtin_constant_p(gpio) && gpio < DAVINCI_N_GPIO) + return 0; + else + return __gpio_cansleep(gpio); +} static inline int gpio_to_irq(unsigned gpio) { + if (gpio >= DAVINCI_N_GPIO) + return -EINVAL; return DAVINCI_N_AINTC_IRQ + gpio; } static inline int irq_to_gpio(unsigned irq) { + /* caller guarantees gpio_to_irq() succeeded */ return irq - DAVINCI_N_AINTC_IRQ; } -- GitLab From d395e6ad98912b52a299999ab667de9a1f393c91 Mon Sep 17 00:00:00 2001 From: Komal Shah Date: Sun, 7 Sep 2008 23:41:28 -0700 Subject: [PATCH 1860/6244] ARM: DaVinci: i2c setup Davinci I2C initialization infrastructure; will be used by EVM init. [ dbrownell@users.sourceforge.net: pass platform data into init code ] Signed-off-by: Komal Shah Signed-off-by: Kevin Hilman Signed-off-by: David Brownell --- arch/arm/mach-davinci/Makefile | 2 +- arch/arm/mach-davinci/devices.c | 48 ++++++++++++++++++++++++ arch/arm/mach-davinci/include/mach/i2c.h | 7 +++- 3 files changed, 54 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-davinci/devices.c diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index 99ac2e55774d..bddfbb717064 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -5,7 +5,7 @@ # Common objects obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ - gpio.o mux.o + gpio.o mux.o devices.o # Board specific obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c new file mode 100644 index 000000000000..3d4b1de8f898 --- /dev/null +++ b/arch/arm/mach-davinci/devices.c @@ -0,0 +1,48 @@ +/* + * mach-davinci/devices.c + * + * DaVinci platform device setup/initialization + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +static struct resource i2c_resources[] = { + { + .start = DAVINCI_I2C_BASE, + .end = DAVINCI_I2C_BASE + 0x40, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device davinci_i2c_device = { + .name = "i2c_davinci", + .id = 1, + .num_resources = ARRAY_SIZE(i2c_resources), + .resource = i2c_resources, +}; + +void __init davinci_init_i2c(struct davinci_i2c_platform_data *pdata) +{ + davinci_i2c_device.dev.platform_data = pdata; + (void) platform_device_register(&davinci_i2c_device); +} + diff --git a/arch/arm/mach-davinci/include/mach/i2c.h b/arch/arm/mach-davinci/include/mach/i2c.h index e2f54168abd1..c248e9b7e825 100644 --- a/arch/arm/mach-davinci/include/mach/i2c.h +++ b/arch/arm/mach-davinci/include/mach/i2c.h @@ -14,8 +14,11 @@ /* All frequencies are expressed in kHz */ struct davinci_i2c_platform_data { - unsigned int bus_freq; /* standard bus frequency */ - unsigned int bus_delay; /* transaction delay */ + unsigned int bus_freq; /* standard bus frequency (kHz) */ + unsigned int bus_delay; /* post-transaction delay (usec) */ }; +/* for board setup code */ +void davinci_init_i2c(struct davinci_i2c_platform_data *); + #endif /* __ASM_ARCH_I2C_H */ -- GitLab From cece6e5af23815ae4cfa6d3dab1303f80b42feef Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Sep 2008 23:41:57 -0700 Subject: [PATCH 1861/6244] ARM: DaVinci: usb setup Declare the musb_hdrc platform device for DaVinci. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/Makefile | 2 +- arch/arm/mach-davinci/include/mach/common.h | 3 + arch/arm/mach-davinci/usb.c | 116 ++++++++++++++++++++ 3 files changed, 120 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-davinci/usb.c diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile index bddfbb717064..4dc458597f40 100644 --- a/arch/arm/mach-davinci/Makefile +++ b/arch/arm/mach-davinci/Makefile @@ -5,7 +5,7 @@ # Common objects obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \ - gpio.o mux.o devices.o + gpio.o mux.o devices.o usb.o # Board specific obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h index a97dfbb15e57..4b522e5c70ec 100644 --- a/arch/arm/mach-davinci/include/mach/common.h +++ b/arch/arm/mach-davinci/include/mach/common.h @@ -16,4 +16,7 @@ struct sys_timer; extern struct sys_timer davinci_timer; +/* parameters describe VBUS sourcing for host mode */ +extern void setup_usb(unsigned mA, unsigned potpgt_msec); + #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */ diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c new file mode 100644 index 000000000000..fe182a85159c --- /dev/null +++ b/arch/arm/mach-davinci/usb.c @@ -0,0 +1,116 @@ +/* + * USB + */ +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) +static struct musb_hdrc_eps_bits musb_eps[] = { + { "ep1_tx", 8, }, + { "ep1_rx", 8, }, + { "ep2_tx", 8, }, + { "ep2_rx", 8, }, + { "ep3_tx", 5, }, + { "ep3_rx", 5, }, + { "ep4_tx", 5, }, + { "ep4_rx", 5, }, +}; + +static struct musb_hdrc_config musb_config = { + .multipoint = true, + .dyn_fifo = true, + .soft_con = true, + .dma = true, + + .num_eps = 5, + .dma_channels = 8, + .ram_bits = 10, + .eps_bits = musb_eps, +}; + +static struct musb_hdrc_platform_data usb_data = { +#if defined(CONFIG_USB_MUSB_OTG) + /* OTG requires a Mini-AB connector */ + .mode = MUSB_OTG, +#elif defined(CONFIG_USB_MUSB_PERIPHERAL) + .mode = MUSB_PERIPHERAL, +#elif defined(CONFIG_USB_MUSB_HOST) + .mode = MUSB_HOST, +#endif + .config = &musb_config, +}; + +static struct resource usb_resources[] = { + { + /* physical address */ + .start = DAVINCI_USB_OTG_BASE, + .end = DAVINCI_USB_OTG_BASE + 0x5ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_USBINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 usb_dmamask = DMA_32BIT_MASK; + +static struct platform_device usb_dev = { + .name = "musb_hdrc", + .id = -1, + .dev = { + .platform_data = &usb_data, + .dma_mask = &usb_dmamask, + .coherent_dma_mask = DMA_32BIT_MASK, + }, + .resource = usb_resources, + .num_resources = ARRAY_SIZE(usb_resources), +}; + +#ifdef CONFIG_USB_MUSB_OTG + +static struct otg_transceiver *xceiv; + +struct otg_transceiver *otg_get_transceiver(void) +{ + if (xceiv) + get_device(xceiv->dev); + return xceiv; +} +EXPORT_SYMBOL(otg_get_transceiver); + +int otg_set_transceiver(struct otg_transceiver *x) +{ + if (xceiv && x) + return -EBUSY; + xceiv = x; + return 0; +} +EXPORT_SYMBOL(otg_set_transceiver); + +#endif + +void __init setup_usb(unsigned mA, unsigned potpgt_msec) +{ + usb_data.power = mA / 2; + usb_data.potpgt = potpgt_msec / 2; + platform_device_register(&usb_dev); +} + +#else + +void __init setup_usb(unsigned mA, unsigned potpgt_msec) +{ +} + +#endif /* CONFIG_USB_MUSB_HDRC */ + -- GitLab From 7bff3c4ce44ea48f50dc47a5994454984bd08c59 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Sep 2008 23:43:02 -0700 Subject: [PATCH 1862/6244] ARM: DaVinci: evm sets up many devices Update DaVinci EVM board setup to work with key drivers which are now in mainline kernels: - I2C adapter (driver: i2c_davinci) * three gpio expanders (driver: pcf8574) used for - LEDs - audio codec control - misc device control (including USB VBUS, IDE-vs-CF) * at24 (driver: at24) eeprom - USB controller (driver: musb_hdrc) - IDE controller (driver: palm_bk3710) This board is the first in-tree client for a number of those drivers, and adding this board support means the EVM board can be used for some "real work" ... excepting "DaVinci Technology" video and DSP support (also available in most OMAP3 chips). Also renames the flash as "evm_norflash", since NAND may be jumpered. (Patch contains work by myself, Kevin Hilman, Sergei Shtylyov.) Signed-off-by: David Brownell Signed-off-by: Kevin Hilman Cc: Sergei Shtylyov --- arch/arm/mach-davinci/board-evm.c | 337 ++++++++++++++++++++++++++++-- 1 file changed, 322 insertions(+), 15 deletions(-) diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c index 2db7b7850fb5..9581675f6586 100644 --- a/arch/arm/mach-davinci/board-evm.c +++ b/arch/arm/mach-davinci/board-evm.c @@ -13,6 +13,13 @@ #include #include #include +#include +#include + +#include +#include +#include + #include #include #include @@ -20,13 +27,14 @@ #include #include #include -#include #include #include #include +#include #include +#include /* other misc. init functions */ void __init davinci_psc_init(void); @@ -34,10 +42,10 @@ void __init davinci_irq_init(void); void __init davinci_map_common_io(void); void __init davinci_init_common_hw(void); -/* NOR Flash base address set to CS0 by default */ -#define NOR_FLASH_PHYS 0x02000000 +#if defined(CONFIG_MTD_PHYSMAP) || \ + defined(CONFIG_MTD_PHYSMAP_MODULE) -static struct mtd_partition davinci_evm_partitions[] = { +static struct mtd_partition davinci_evm_norflash_partitions[] = { /* bootloader (U-Boot, etc) in first 4 sectors */ { .name = "bootloader", @@ -68,32 +76,323 @@ static struct mtd_partition davinci_evm_partitions[] = { } }; -static struct physmap_flash_data davinci_evm_flash_data = { +static struct physmap_flash_data davinci_evm_norflash_data = { .width = 2, - .parts = davinci_evm_partitions, - .nr_parts = ARRAY_SIZE(davinci_evm_partitions), + .parts = davinci_evm_norflash_partitions, + .nr_parts = ARRAY_SIZE(davinci_evm_norflash_partitions), }; /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF * limits addresses to 16M, so using addresses past 16M will wrap */ -static struct resource davinci_evm_flash_resource = { - .start = NOR_FLASH_PHYS, - .end = NOR_FLASH_PHYS + SZ_16M - 1, +static struct resource davinci_evm_norflash_resource = { + .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, + .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, .flags = IORESOURCE_MEM, }; -static struct platform_device davinci_evm_flash_device = { +static struct platform_device davinci_evm_norflash_device = { .name = "physmap-flash", .id = 0, .dev = { - .platform_data = &davinci_evm_flash_data, + .platform_data = &davinci_evm_norflash_data, }, .num_resources = 1, - .resource = &davinci_evm_flash_resource, + .resource = &davinci_evm_norflash_resource, +}; + +#endif + +#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) + +static struct resource ide_resources[] = { + { + .start = DAVINCI_CFC_ATA_BASE, + .end = DAVINCI_CFC_ATA_BASE + 0x7ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_IDE, + .end = IRQ_IDE, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ide_dma_mask = DMA_32BIT_MASK; + +static struct platform_device ide_dev = { + .name = "palm_bk3710", + .id = -1, + .resource = ide_resources, + .num_resources = ARRAY_SIZE(ide_resources), + .dev = { + .dma_mask = &ide_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + }, +}; + +#endif + +/*----------------------------------------------------------------------*/ + +/* + * I2C GPIO expanders + */ + +#define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8)) + + +/* U2 -- LEDs */ + +static struct gpio_led evm_leds[] = { + { .name = "DS8", .active_low = 1, + .default_trigger = "heartbeat", }, + { .name = "DS7", .active_low = 1, }, + { .name = "DS6", .active_low = 1, }, + { .name = "DS5", .active_low = 1, }, + { .name = "DS4", .active_low = 1, }, + { .name = "DS3", .active_low = 1, }, + { .name = "DS2", .active_low = 1, + .default_trigger = "mmc0", }, + { .name = "DS1", .active_low = 1, + .default_trigger = "ide-disk", }, +}; + +static const struct gpio_led_platform_data evm_led_data = { + .num_leds = ARRAY_SIZE(evm_leds), + .leds = evm_leds, +}; + +static struct platform_device *evm_led_dev; + +static int +evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + struct gpio_led *leds = evm_leds; + int status; + + while (ngpio--) { + leds->gpio = gpio++; + leds++; + } + + /* what an extremely annoying way to be forced to handle + * device unregistration ... + */ + evm_led_dev = platform_device_alloc("leds-gpio", 0); + platform_device_add_data(evm_led_dev, + &evm_led_data, sizeof evm_led_data); + + evm_led_dev->dev.parent = &client->dev; + status = platform_device_add(evm_led_dev); + if (status < 0) { + platform_device_put(evm_led_dev); + evm_led_dev = NULL; + } + return status; +} + +static int +evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + if (evm_led_dev) { + platform_device_unregister(evm_led_dev); + evm_led_dev = NULL; + } + return 0; +} + +static struct pcf857x_platform_data pcf_data_u2 = { + .gpio_base = PCF_Uxx_BASE(0), + .setup = evm_led_setup, + .teardown = evm_led_teardown, +}; + + +/* U18 - A/V clock generator and user switch */ + +static int sw_gpio; + +static ssize_t +sw_show(struct device *d, struct device_attribute *a, char *buf) +{ + char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n"; + + strcpy(buf, s); + return strlen(s); +} + +static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL); + +static int +evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + int status; + + /* export dip switch option */ + sw_gpio = gpio + 7; + status = gpio_request(sw_gpio, "user_sw"); + if (status == 0) + status = gpio_direction_input(sw_gpio); + if (status == 0) + status = device_create_file(&client->dev, &dev_attr_user_sw); + else + gpio_free(sw_gpio); + if (status != 0) + sw_gpio = -EINVAL; + + /* audio PLL: 48 kHz (vs 44.1 or 32), single rate (vs double) */ + gpio_request(gpio + 3, "pll_fs2"); + gpio_direction_output(gpio + 3, 0); + + gpio_request(gpio + 2, "pll_fs1"); + gpio_direction_output(gpio + 2, 0); + + gpio_request(gpio + 1, "pll_sr"); + gpio_direction_output(gpio + 1, 0); + + return 0; +} + +static int +evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + gpio_free(gpio + 1); + gpio_free(gpio + 2); + gpio_free(gpio + 3); + + if (sw_gpio > 0) { + device_remove_file(&client->dev, &dev_attr_user_sw); + gpio_free(sw_gpio); + } + return 0; +} + +static struct pcf857x_platform_data pcf_data_u18 = { + .gpio_base = PCF_Uxx_BASE(1), + .n_latch = (1 << 3) | (1 << 2) | (1 << 1), + .setup = evm_u18_setup, + .teardown = evm_u18_teardown, }; + +/* U35 - various I/O signals used to manage USB, CF, ATA, etc */ + +static int +evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + /* p0 = nDRV_VBUS (initial: don't supply it) */ + gpio_request(gpio + 0, "nDRV_VBUS"); + gpio_direction_output(gpio + 0, 1); + + /* p1 = VDDIMX_EN */ + gpio_request(gpio + 1, "VDDIMX_EN"); + gpio_direction_output(gpio + 1, 1); + + /* p2 = VLYNQ_EN */ + gpio_request(gpio + 2, "VLYNQ_EN"); + gpio_direction_output(gpio + 2, 1); + + /* p3 = n3V3_CF_RESET (initial: stay in reset) */ + gpio_request(gpio + 3, "nCF_RESET"); + gpio_direction_output(gpio + 3, 0); + + /* (p4 unused) */ + + /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */ + gpio_request(gpio + 5, "WLAN_RESET"); + gpio_direction_output(gpio + 5, 1); + + /* p6 = nATA_SEL (initial: select) */ + gpio_request(gpio + 6, "nATA_SEL"); + gpio_direction_output(gpio + 6, 0); + + /* p7 = nCF_SEL (initial: deselect) */ + gpio_request(gpio + 7, "nCF_SEL"); + gpio_direction_output(gpio + 7, 1); + + return 0; +} + +static int +evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) +{ + gpio_free(gpio + 7); + gpio_free(gpio + 6); + gpio_free(gpio + 5); + gpio_free(gpio + 3); + gpio_free(gpio + 2); + gpio_free(gpio + 1); + gpio_free(gpio + 0); + return 0; +} + +static struct pcf857x_platform_data pcf_data_u35 = { + .gpio_base = PCF_Uxx_BASE(2), + .setup = evm_u35_setup, + .teardown = evm_u35_teardown, +}; + +/*----------------------------------------------------------------------*/ + +/* Most of this EEPROM is unused, but U-Boot uses some data: + * - 0x7f00, 6 bytes Ethernet Address + * - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL) + * - ... newer boards may have more + */ +static struct at24_platform_data eeprom_info = { + .byte_len = (256*1024) / 8, + .page_size = 64, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info __initdata i2c_info[] = { + { + I2C_BOARD_INFO("pcf8574", 0x38), + .platform_data = &pcf_data_u2, + }, + { + I2C_BOARD_INFO("pcf8574", 0x39), + .platform_data = &pcf_data_u18, + }, + { + I2C_BOARD_INFO("pcf8574", 0x3a), + .platform_data = &pcf_data_u35, + }, + { + I2C_BOARD_INFO("24c256", 0x50), + .platform_data = &eeprom_info, + }, + /* ALSO: + * - tvl320aic33 audio codec (0x1b) + * - msp430 microcontroller (0x23) + * - tvp5146 video decoder (0x5d) + */ +}; + +/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz), + * which requires 100 usec of idle bus after i2c writes sent to it. + */ +static struct davinci_i2c_platform_data i2c_pdata = { + .bus_freq = 20 /* kHz */, + .bus_delay = 100 /* usec */, +}; + +static void __init evm_init_i2c(void) +{ + davinci_init_i2c(&i2c_pdata); + i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); +} + static struct platform_device *davinci_evm_devices[] __initdata = { - &davinci_evm_flash_device, +#if defined(CONFIG_MTD_PHYSMAP) || \ + defined(CONFIG_MTD_PHYSMAP_MODULE) + &davinci_evm_norflash_device, +#endif +#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) + &ide_dev, +#endif }; static void __init @@ -106,13 +405,21 @@ static __init void davinci_evm_init(void) { davinci_psc_init(); -#if defined(CONFIG_BLK_DEV_DAVINCI) || defined(CONFIG_BLK_DEV_DAVINCI_MODULE) +#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) +#if defined(CONFIG_MTD_PHYSMAP) || \ + defined(CONFIG_MTD_PHYSMAP_MODULE) printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, " "but share pins.\n\t Disable IDE for NOR support.\n"); +#endif #endif platform_add_devices(davinci_evm_devices, ARRAY_SIZE(davinci_evm_devices)); + evm_init_i2c(); + + /* irlml6401 sustains over 3A, switches 5V in under 8 msec */ + setup_usb(500, 8); } static __init void davinci_evm_irq_init(void) -- GitLab From 90f7d25c6b672137344f447a30a9159945ffea72 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Tue, 16 Sep 2008 11:27:30 -0700 Subject: [PATCH 1863/6244] x86: print DMI information in the oops trace in order to diagnose hard system specific issues, it's useful to have the system name in the oops (as provided by DMI) Signed-off-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_32.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 0c3927accb00..7b9ee9f09639 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -160,6 +161,7 @@ void __show_registers(struct pt_regs *regs, int all) unsigned long d0, d1, d2, d3, d6, d7; unsigned long sp; unsigned short ss, gs; + const char *board; if (user_mode_vm(regs)) { sp = regs->sp; @@ -172,11 +174,15 @@ void __show_registers(struct pt_regs *regs, int all) } printk("\n"); - printk("Pid: %d, comm: %s %s (%s %.*s)\n", + + board = dmi_get_system_info(DMI_PRODUCT_NAME); + if (!board) + board = ""; + printk("Pid: %d, comm: %s %s (%s %.*s) %s\n", task_pid_nr(current), current->comm, print_tainted(), init_utsname()->release, (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); + init_utsname()->version, board); printk("EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", (u16)regs->cs, regs->ip, regs->flags, -- GitLab From fbdbf709938d155c719c76b9894d28342632c797 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 15 Sep 2008 22:02:43 +0200 Subject: [PATCH 1864/6244] x86, debug: gpio_free might sleep MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This patch changes the gpio_free implementations for the x86 architecture. Signed-off-by: Uwe Kleine-König Signed-off-by: Ingo Molnar --- include/asm-x86/mach-rdc321x/gpio.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/asm-x86/mach-rdc321x/gpio.h b/include/asm-x86/mach-rdc321x/gpio.h index acce0b7d397b..3639ece6485a 100644 --- a/include/asm-x86/mach-rdc321x/gpio.h +++ b/include/asm-x86/mach-rdc321x/gpio.h @@ -1,6 +1,8 @@ #ifndef _RDC321X_GPIO_H #define _RDC321X_GPIO_H +#include + extern int rdc_gpio_get_value(unsigned gpio); extern void rdc_gpio_set_value(unsigned gpio, int value); extern int rdc_gpio_direction_input(unsigned gpio); @@ -18,6 +20,7 @@ static inline int gpio_request(unsigned gpio, const char *label) static inline void gpio_free(unsigned gpio) { + might_sleep(); rdc_gpio_free(gpio); } -- GitLab From b3d765f5df5707e2b3676768b6877db5d8db76a2 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:12:11 +0900 Subject: [PATCH 1865/6244] sh: Fix up fpu emu build. The addition of the kprobes code pushed down a variable declaration, clean it up. Signed-off-by: Paul Mundt --- arch/sh/kernel/traps_32.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 862667a341fd..35b901ed6de3 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -742,15 +742,13 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5, struct pt_regs __regs) { struct pt_regs *regs = RELOC_HIDE(&__regs, 0); - unsigned long error_code; + unsigned long inst; struct task_struct *tsk = current; if (kprobe_handle_illslot(regs->pc) == 0) return; #ifdef CONFIG_SH_FPU_EMU - unsigned short inst = 0; - get_user(inst, (unsigned short *)regs->pc + 1); if (!do_fpu_inst(inst, regs)) { get_user(inst, (unsigned short *)regs->pc); @@ -761,12 +759,12 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5, /* not a FPU inst. */ #endif - lookup_exception_vector(error_code); + lookup_exception_vector(inst); local_irq_enable(); CHK_REMOTE_DEBUG(regs); force_sig(SIGILL, tsk); - die_if_no_fixup("illegal slot instruction", regs, error_code); + die_if_no_fixup("illegal slot instruction", regs, inst); } asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, -- GitLab From b85641bdde340f683e5baa7688832e185548c9bd Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:13:27 +0900 Subject: [PATCH 1866/6244] sh: Make memory hot-add and hot-remove depend on MMU. Cleans up link numerous build issues with page migration and so on when enabled on nommu builds. Signed-off-by: Paul Mundt --- arch/sh/mm/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index f8e6dc5e056f..555ec9714b9e 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -132,11 +132,11 @@ config ARCH_SELECT_MEMORY_MODEL config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y - depends on SPARSEMEM + depends on SPARSEMEM && MMU config ARCH_ENABLE_MEMORY_HOTREMOVE def_bool y - depends on SPARSEMEM + depends on SPARSEMEM && MMU config ARCH_MEMORY_PROBE def_bool y -- GitLab From 8a80a5e9e89cf3aacf8165dd34b40c7c3fe91b4d Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:14:36 +0900 Subject: [PATCH 1867/6244] sh: Fix up signal_64 conflicting handle_signal() definition. Signed-off-by: Paul Mundt --- arch/sh/kernel/signal_64.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 1d62dfef77f1..37bd381a7aa3 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -43,6 +43,10 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +static void +handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, + sigset_t *oldset, struct pt_regs * regs); + /* * Note that 'init' is a special process: it doesn't get signals it doesn't * want to handle. Thus you cannot kill init even with a SIGKILL even by -- GitLab From 81b669952ed5fe0d6f65f8b9a97d1fdeac93ff10 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:24:02 +0900 Subject: [PATCH 1868/6244] sh: Consolidate struct sh_cpuinfo definitions across _32/_64 split. Signed-off-by: Paul Mundt --- arch/sh/include/asm/processor.h | 40 ++++++++++++++++++++++++++++- arch/sh/include/asm/processor_32.h | 19 -------------- arch/sh/include/asm/processor_64.h | 41 ------------------------------ 3 files changed, 39 insertions(+), 61 deletions(-) diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 58e2be55ab93..693364a20ad7 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -3,6 +3,7 @@ #include #include +#include #ifndef __ASSEMBLY__ /* @@ -43,8 +44,45 @@ enum cpu_type { CPU_SH_NONE }; +/* + * TLB information structure + * + * Defined for both I and D tlb, per-processor. + */ +struct tlb_info { + unsigned long long next; + unsigned long long first; + unsigned long long last; + + unsigned int entries; + unsigned int step; + + unsigned long flags; +}; + +struct sh_cpuinfo { + unsigned int type; + int cut_major, cut_minor; + unsigned long loops_per_jiffy; + unsigned long asid_cache; + + struct cache_info icache; /* Primary I-cache */ + struct cache_info dcache; /* Primary D-cache */ + struct cache_info scache; /* Secondary cache */ + + /* TLB info */ + struct tlb_info itlb; + struct tlb_info dtlb; + + unsigned long flags; +} __attribute__ ((aligned(L1_CACHE_BYTES))); + +extern struct sh_cpuinfo cpu_data[]; +#define boot_cpu_data cpu_data[0] +#define current_cpu_data cpu_data[smp_processor_id()] +#define raw_current_cpu_data cpu_data[raw_smp_processor_id()] + /* Forward decl */ -struct sh_cpuinfo; struct seq_operations; extern struct pt_regs fake_swapper_regs; diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index 1cd3a144c85c..a46a0207e977 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -13,7 +13,6 @@ #include #include #include -#include #include /* @@ -27,24 +26,6 @@ #define CCN_CVR 0xff000040 #define CCN_PRR 0xff000044 -struct sh_cpuinfo { - unsigned int type; - int cut_major, cut_minor; - unsigned long loops_per_jiffy; - unsigned long asid_cache; - - struct cache_info icache; /* Primary I-cache */ - struct cache_info dcache; /* Primary D-cache */ - struct cache_info scache; /* Secondary cache */ - - unsigned long flags; -} __attribute__ ((aligned(L1_CACHE_BYTES))); - -extern struct sh_cpuinfo cpu_data[]; -#define boot_cpu_data cpu_data[0] -#define current_cpu_data cpu_data[smp_processor_id()] -#define raw_current_cpu_data cpu_data[raw_smp_processor_id()] - asmlinkage void __init sh_cpu_init(void); /* diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index ae19839f1d97..b0b4824dfc4c 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -17,7 +17,6 @@ #include #include #include -#include #include #include @@ -36,46 +35,6 @@ __asm__("gettr tr0, %1\n\t" \ : "1" (__dummy)); \ pc; }) -/* - * TLB information structure - * - * Defined for both I and D tlb, per-processor. - */ -struct tlb_info { - unsigned long long next; - unsigned long long first; - unsigned long long last; - - unsigned int entries; - unsigned int step; - - unsigned long flags; -}; - -struct sh_cpuinfo { - enum cpu_type type; - unsigned long loops_per_jiffy; - unsigned long asid_cache; - - unsigned int cpu_clock, master_clock, bus_clock, module_clock; - - /* Cache info */ - struct cache_info icache; - struct cache_info dcache; - struct cache_info scache; - - /* TLB info */ - struct tlb_info itlb; - struct tlb_info dtlb; - - unsigned long flags; -}; - -extern struct sh_cpuinfo cpu_data[]; -#define boot_cpu_data cpu_data[0] -#define current_cpu_data cpu_data[smp_processor_id()] -#define raw_current_cpu_data cpu_data[raw_smp_processor_id()] - #endif /* -- GitLab From b406efefd5246a67c691fd79871e65ce8f3f91ff Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:24:59 +0900 Subject: [PATCH 1869/6244] sh: Fix up headers_check regression. linux/mmzone.h isn't exported, kill it off from asm/setup.h and simply deal with it in the places that have a dependency instead. Signed-off-by: Paul Mundt --- arch/sh/include/asm/setup.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h index 1b7856f5924c..d450bcf59ee2 100644 --- a/arch/sh/include/asm/setup.h +++ b/arch/sh/include/asm/setup.h @@ -1,12 +1,9 @@ #ifndef _SH_SETUP_H #define _SH_SETUP_H -#include - #define COMMAND_LINE_SIZE 256 #ifdef __KERNEL__ - /* * This is set up by the setup-routine at boot-time */ -- GitLab From 2194478157127d52338be96ac9436dc54005816a Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 17 Sep 2008 23:26:44 +0900 Subject: [PATCH 1870/6244] sh: HAVE_IOREMAP_PROT depends on MMU. HAVE_IOREMAP_PROT enables an unconditional reference to generic_access_phys(), which remains undefined in the nommu case. As there's no point in supporting this there anyways, simply fix up the dependency. Signed-off-by: Paul Mundt --- arch/sh/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 18a1cc8a6aa3..adef42cd507f 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -12,7 +12,7 @@ config SUPERH select HAVE_IDE select HAVE_OPROFILE select HAVE_GENERIC_DMA_COHERENT - select HAVE_IOREMAP_PROT + select HAVE_IOREMAP_PROT if MMU help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast -- GitLab From 6ae19b04ab41a4db0f0c48ec0b78950f6b028823 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 10 Sep 2008 12:06:15 -0400 Subject: [PATCH 1871/6244] Input: ads7846 - introduce .gpio_pendown to get pendown state The GPIO connected to ADS7846 nPENIRQ signal is usually used to get the pendown state as well. Introduce a .gpio_pendown, and use this to decide the pendown state if .get_pendown_state is NULL. Signed-off-by: Eric Miao Signed-off-by: Dmitry Torokhov --- drivers/input/touchscreen/ads7846.c | 68 +++++++++++++++++++++++------ include/linux/spi/ads7846.h | 3 ++ 2 files changed, 57 insertions(+), 14 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index ce6f48c695f5..8583c766d565 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -116,6 +117,7 @@ struct ads7846 { void *filter_data; void (*filter_cleanup)(void *data); int (*get_pendown_state)(void); + int gpio_pendown; }; /* leave chip selected when we're done, for quicker re-select? */ @@ -491,6 +493,14 @@ static struct attribute_group ads784x_attr_group = { /*--------------------------------------------------------------------------*/ +static int get_pendown_state(struct ads7846 *ts) +{ + if (ts->get_pendown_state) + return ts->get_pendown_state(); + + return !gpio_get_value(ts->gpio_pendown); +} + /* * PENIRQ only kicks the timer. The timer only reissues the SPI transfer, * to retrieve touchscreen status. @@ -550,7 +560,7 @@ static void ads7846_rx(void *ads) */ if (ts->penirq_recheck_delay_usecs) { udelay(ts->penirq_recheck_delay_usecs); - if (!ts->get_pendown_state()) + if (!get_pendown_state(ts)) Rt = 0; } @@ -677,7 +687,7 @@ static enum hrtimer_restart ads7846_timer(struct hrtimer *handle) spin_lock_irq(&ts->lock); - if (unlikely(!ts->get_pendown_state() || + if (unlikely(!get_pendown_state(ts) || device_suspended(&ts->spi->dev))) { if (ts->pendown) { struct input_dev *input = ts->input; @@ -716,7 +726,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle) unsigned long flags; spin_lock_irqsave(&ts->lock, flags); - if (likely(ts->get_pendown_state())) { + if (likely(get_pendown_state(ts))) { if (!ts->irq_disabled) { /* The ARM do_simple_IRQ() dispatcher doesn't act * like the other dispatchers: it will report IRQs @@ -806,6 +816,36 @@ static int ads7846_resume(struct spi_device *spi) return 0; } +static int __devinit setup_pendown(struct spi_device *spi, struct ads7846 *ts) +{ + struct ads7846_platform_data *pdata = spi->dev.platform_data; + int err; + + /* REVISIT when the irq can be triggered active-low, or if for some + * reason the touchscreen isn't hooked up, we don't need to access + * the pendown state. + */ + if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) { + dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); + return -EINVAL; + } + + if (pdata->get_pendown_state) { + ts->get_pendown_state = pdata->get_pendown_state; + return 0; + } + + err = gpio_request(pdata->gpio_pendown, "ads7846_pendown"); + if (err) { + dev_err(&spi->dev, "failed to request pendown GPIO%d\n", + pdata->gpio_pendown); + return err; + } + + ts->gpio_pendown = pdata->gpio_pendown; + return 0; +} + static int __devinit ads7846_probe(struct spi_device *spi) { struct ads7846 *ts; @@ -833,15 +873,6 @@ static int __devinit ads7846_probe(struct spi_device *spi) return -EINVAL; } - /* REVISIT when the irq can be triggered active-low, or if for some - * reason the touchscreen isn't hooked up, we don't need to access - * the pendown state. - */ - if (pdata->get_pendown_state == NULL) { - dev_dbg(&spi->dev, "no get_pendown_state function?\n"); - return -EINVAL; - } - /* We'd set TX wordsize 8 bits and RX wordsize to 13 bits ... except * that even if the hardware can do that, the SPI controller driver * may not. So we stick to very-portable 8 bit words, both RX and TX. @@ -893,7 +924,10 @@ static int __devinit ads7846_probe(struct spi_device *spi) ts->filter_data = ts; } else ts->filter = ads7846_no_filter; - ts->get_pendown_state = pdata->get_pendown_state; + + err = setup_pendown(spi, ts); + if (err) + goto err_cleanup_filter; if (pdata->penirq_recheck_delay_usecs) ts->penirq_recheck_delay_usecs = @@ -1085,7 +1119,7 @@ static int __devinit ads7846_probe(struct spi_device *spi) spi->dev.driver->name, ts)) { dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq); err = -EBUSY; - goto err_cleanup_filter; + goto err_free_gpio; } err = ads784x_hwmon_register(spi, ts); @@ -1116,6 +1150,9 @@ static int __devinit ads7846_probe(struct spi_device *spi) ads784x_hwmon_unregister(spi, ts); err_free_irq: free_irq(spi->irq, ts); + err_free_gpio: + if (ts->gpio_pendown != -1) + gpio_free(ts->gpio_pendown); err_cleanup_filter: if (ts->filter_cleanup) ts->filter_cleanup(ts->filter_data); @@ -1140,6 +1177,9 @@ static int __devexit ads7846_remove(struct spi_device *spi) /* suspend left the IRQ disabled */ enable_irq(ts->spi->irq); + if (ts->gpio_pendown != -1) + gpio_free(ts->gpio_pendown); + if (ts->filter_cleanup) ts->filter_cleanup(ts->filter_data); diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index daf744017a31..05eab2f11e63 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -43,6 +43,9 @@ struct ads7846_platform_data { u16 debounce_tol; /* tolerance used for filtering */ u16 debounce_rep; /* additional consecutive good readings * required after the first two */ + int gpio_pendown; /* the GPIO used to decide the pendown + * state if get_pendown_state == NULL + */ int (*get_pendown_state)(void); int (*filter_init) (struct ads7846_platform_data *pdata, void **filter_data); -- GitLab From 1562f98f918f2de7549edbaaabdb8bece52320f0 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 17 Sep 2008 20:36:49 +0100 Subject: [PATCH 1872/6244] [ARM] Fix IOP13xx build warnings http://armlinux.simtec.co.uk/kautobuild/2.6.27-rc5/iop13xx_defconfig/zimage.log Occurrences Warning text 339 arch/arm/include/asm/dma-mapping.h:40: warning: return makes pointer from integer without a cast 203 arch/arm/include/asm/dma-mapping.h:45: warning: return makes integer from pointer without a cast Acked-by: Dan Williams Signed-off-by: Russell King --- arch/arm/mach-iop13xx/include/mach/memory.h | 58 ++++++++++++++------- 1 file changed, 39 insertions(+), 19 deletions(-) diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h index a74b027432d2..b82602d529bf 100644 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ b/arch/arm/mach-iop13xx/include/mach/memory.h @@ -26,32 +26,52 @@ /* RAM has 1:1 mapping on the PCIe/x Busses */ #define __virt_to_bus(x) (__virt_to_phys(x)) -#define __bus_to_virt(x) (__phys_to_virt(x)) +#define __bus_to_virt(x) (__phys_to_virt(x)) -#define virt_to_lbus(x) \ -(( ((void*)(x) >= (void*)IOP13XX_PMMR_V_START) && \ -((void*)(x) < (void*)IOP13XX_PMMR_V_END) ) ? \ -((x) - IOP13XX_PMMR_VIRT_MEM_BASE + IOP13XX_PMMR_PHYS_MEM_BASE) : \ -((x) - PAGE_OFFSET + PHYS_OFFSET)) +static inline dma_addr_t __virt_to_lbus(unsigned long x) +{ + return x + IOP13XX_PMMR_PHYS_MEM_BASE - IOP13XX_PMMR_VIRT_MEM_BASE; +} -#define lbus_to_virt(x) \ -(( ((x) >= IOP13XX_PMMR_P_START) && ((x) < IOP13XX_PMMR_P_END) ) ? \ -((x) - IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_VIRT_MEM_BASE ) : \ -((x) - PHYS_OFFSET + PAGE_OFFSET)) +static inline unsigned long __lbus_to_virt(dma_addr_t x) +{ + return x + IOP13XX_PMMR_VIRT_MEM_BASE - IOP13XX_PMMR_PHYS_MEM_BASE; +} + +#define __is_lbus_dma(a) \ + ((a) >= IOP13XX_PMMR_P_START && (a) < IOP13XX_PMMR_P_END) + +#define __is_lbus_virt(a) \ + ((a) >= IOP13XX_PMMR_V_START && (a) < IOP13XX_PMMR_V_END) /* Device is an lbus device if it is on the platform bus of the IOP13XX */ -#define is_lbus_device(dev) (dev &&\ - (strncmp(dev->bus->name, "platform", 8) == 0)) +#define is_lbus_device(dev) \ + (dev && strncmp(dev->bus->name, "platform", 8) == 0) -#define __arch_page_to_dma(dev, page) \ -({is_lbus_device(dev) ? (dma_addr_t)virt_to_lbus(page_address(page)) : \ -(dma_addr_t)__virt_to_bus(page_address(page));}) +#define __arch_dma_to_virt(dev, addr) \ + ({ \ + unsigned long __virt; \ + dma_addr_t __dma = addr; \ + if (is_lbus_device(dev) && __is_lbus_dma(__dma)) \ + __virt = __lbus_to_virt(__dma); \ + else \ + __virt = __bus_to_virt(__dma); \ + (void *)__virt; \ + }) -#define __arch_dma_to_virt(dev, addr) \ -({is_lbus_device(dev) ? lbus_to_virt(addr) : __bus_to_virt(addr);}) +#define __arch_virt_to_dma(dev, addr) \ + ({ \ + unsigned long __virt = (unsigned long)addr; \ + dma_addr_t __dma; \ + if (is_lbus_device(dev) && __is_lbus_virt(__virt)) \ + __dma = __virt_to_lbus(__virt); \ + else \ + __dma = __virt_to_bus(__virt); \ + __dma; \ + }) -#define __arch_virt_to_dma(dev, addr) \ -({is_lbus_device(dev) ? virt_to_lbus(addr) : __virt_to_bus(addr);}) +#define __arch_page_to_dma(dev, page) \ + __arch_virt_to_dma(dev, page_address(page)) #endif /* CONFIG_ARCH_IOP13XX */ #endif /* !ASSEMBLY */ -- GitLab From c2fe59444e1827ecd2713a1e6ecfd1ab1fc548ae Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Wed, 6 Aug 2008 11:48:25 -0500 Subject: [PATCH 1873/6244] powerpc: add SSI-to-DMA properties to Freescale MPC8610 HPCD device tree Add the fsl,playback-dma and fsl,capture-dma properties to the Freescale MPC8610 HPCD device tree. These properties connect the SSI nodes to the DMA nodes for the DMA channels that the SSI should use. Also update the ssi.txt documentation. These properties will be needed when the ASoC V2 version of the Freescale MPC8610 device drivers are merged into the mainline. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- Documentation/powerpc/dts-bindings/fsl/ssi.txt | 15 +++++++++++++++ arch/powerpc/boot/dts/mpc8610_hpcd.dts | 8 +++++--- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/Documentation/powerpc/dts-bindings/fsl/ssi.txt b/Documentation/powerpc/dts-bindings/fsl/ssi.txt index d100555d488a..5d9841303cae 100644 --- a/Documentation/powerpc/dts-bindings/fsl/ssi.txt +++ b/Documentation/powerpc/dts-bindings/fsl/ssi.txt @@ -24,6 +24,12 @@ Required properties: "rj-master" - r.j., SSI is clock master "ac97-slave" - AC97 mode, SSI is clock slave "ac97-master" - AC97 mode, SSI is clock master +- fsl,playback-dma: phandle to a DMA node for the DMA channel to use for + playback of audio. This is typically dictated by SOC + design. See the notes below. +- fsl,capture-dma: phandle to a DMA node for the DMA channel to use for + capture (recording) of audio. This is typically dictated + by SOC design. See the notes below. Optional properties: - codec-handle : phandle to a 'codec' node that defines an audio @@ -36,3 +42,12 @@ Child 'codec' node required properties: Child 'codec' node optional properties: - clock-frequency : The frequency of the input clock, which typically comes from an on-board dedicated oscillator. + +Notes on fsl,playback-dma and fsl,capture-dma: + +On SOCs that have an SSI, specific DMA channels are hard-wired for playback +and capture. On the MPC8610, for example, SSI1 must use DMA channel 0 for +playback and DMA channel 1 for capture. SSI2 must use DMA channel 2 for +playback and DMA channel 3 for capture. The developer can choose which +DMA controller to use, but the channels themselves are hard-wired. The +purpose of these two properties is to represent this hardware design. diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts index 3b3a1062cb25..0f3a36e0ea6d 100644 --- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts +++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts @@ -207,7 +207,7 @@ reg = <0xe4000 0x100>; }; - i2s@16000 { + ssi@16000 { compatible = "fsl,mpc8610-ssi"; cell-index = <0>; reg = <0x16000 0x100>; @@ -215,6 +215,8 @@ interrupts = <62 2>; fsl,mode = "i2s-slave"; codec-handle = <&cs4270>; + fsl,playback-dma = <&dma00>; + fsl,capture-dma = <&dma01>; }; ssi@16100 { @@ -233,7 +235,7 @@ reg = <0x21300 0x4>; /* DMA general status register */ ranges = <0x0 0x21100 0x200>; - dma-channel@0 { + dma00: dma-channel@0 { compatible = "fsl,mpc8610-dma-channel", "fsl,eloplus-dma-channel"; cell-index = <0>; @@ -241,7 +243,7 @@ interrupt-parent = <&mpic>; interrupts = <20 2>; }; - dma-channel@1 { + dma01: dma-channel@1 { compatible = "fsl,mpc8610-dma-channel", "fsl,eloplus-dma-channel"; cell-index = <1>; -- GitLab From 9a22b6e76ba75fa0f3963cdec7829156d00a7173 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 18 Sep 2008 12:50:18 +0200 Subject: [PATCH 1874/6244] dmi scan: warn about too early calls to dmi_check_system() It happened to me recently that i added a dmi_check_system() quirk in a too early codepath, and it was silently ignored because all the DMI tables and strings were still empty. As this situation is clearly a programming error / kernel bug, warn when it happens, instead of silently ignoring quirks. Signed-off-by: Ingo Molnar --- drivers/firmware/dmi_scan.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 455575be3560..3e526b6d00cb 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -15,6 +15,11 @@ */ static char dmi_empty_string[] = " "; +/* + * Catch too early calls to dmi_check_system(): + */ +static int dmi_initialized; + static const char * __init dmi_string_nosave(const struct dmi_header *dm, u8 s) { const u8 *bp = ((u8 *) dm) + dm->length; @@ -366,7 +371,7 @@ void __init dmi_scan_machine(void) if (efi_enabled) { if (efi.smbios == EFI_INVALID_TABLE_ADDR) - goto out; + goto error; /* This is called as a core_initcall() because it isn't * needed during early boot. This also means we can @@ -374,13 +379,13 @@ void __init dmi_scan_machine(void) */ p = dmi_ioremap(efi.smbios, 32); if (p == NULL) - goto out; + goto error; rc = dmi_present(p + 0x10); /* offset of _DMI_ string */ dmi_iounmap(p, 32); if (!rc) { dmi_available = 1; - return; + goto out; } } else { @@ -391,19 +396,22 @@ void __init dmi_scan_machine(void) */ p = dmi_ioremap(0xF0000, 0x10000); if (p == NULL) - goto out; + goto error; for (q = p; q < p + 0x10000; q += 16) { rc = dmi_present(q); if (!rc) { dmi_available = 1; dmi_iounmap(p, 0x10000); - return; + goto out; } } dmi_iounmap(p, 0x10000); } - out: printk(KERN_INFO "DMI not present or invalid.\n"); + error: + printk(KERN_INFO "DMI not present or invalid.\n"); + out: + dmi_initialized = 1; } /** @@ -424,6 +432,8 @@ int dmi_check_system(const struct dmi_system_id *list) int i, count = 0; const struct dmi_system_id *d = list; + WARN(!dmi_initialized, KERN_ERR "dmi check: not initialized yet.\n"); + while (d->ident) { for (i = 0; i < ARRAY_SIZE(d->matches); i++) { int s = d->matches[i].slot; -- GitLab From 37ec89e83c4ca98323fe74f139301ff3949cfdb6 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 18 Sep 2008 13:49:32 +0100 Subject: [PATCH 1875/6244] GFS2: The war on bloat The following patch shrinks the gfs2_args structure which is embedded in every GFS2 superblock. It cuts down the size of the options to a single unsigned int (the 13 bits of bitfields will be rounded up to that size by the compiler) from the current 11 unsigned ints. So on x86 thats 44 bytes shrinking to 4 bytes, in each and every GFS2 superblock. Signed-off-by: Steven Whitehouse --- fs/gfs2/incore.h | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index a1777a1927b3..b2c5784092cf 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -386,21 +386,21 @@ struct gfs2_statfs_change_host { #define GFS2_DATA_ORDERED 2 struct gfs2_args { - char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ - char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ - char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ - int ar_spectator; /* Don't get a journal because we're always RO */ - int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ - int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ - int ar_localcaching; /* Local-style caching (dangerous on multihost) */ - int ar_debug; /* Oops on errors instead of trying to be graceful */ - int ar_upgrade; /* Upgrade ondisk/multihost format */ - unsigned int ar_num_glockd; /* Number of glockd threads */ - int ar_posix_acl; /* Enable posix acls */ - int ar_quota; /* off/account/on */ - int ar_suiddir; /* suiddir support */ - int ar_data; /* ordered/writeback */ - int ar_meta; /* mount metafs */ + char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ + char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ + char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ + unsigned int ar_spectator:1; /* Don't get a journal */ + unsigned int ar_ignore_local_fs:1; /* Ignore optimisations */ + unsigned int ar_localflocks:1; /* Let the VFS do flock|fcntl */ + unsigned int ar_localcaching:1; /* Local caching */ + unsigned int ar_debug:1; /* Oops on errors */ + unsigned int ar_upgrade:1; /* Upgrade ondisk format */ + unsigned int ar_posix_acl:1; /* Enable posix acls */ + unsigned int ar_quota:2; /* off/account/on */ + unsigned int ar_suiddir:1; /* suiddir support */ + unsigned int ar_data:2; /* ordered/writeback */ + unsigned int ar_meta:1; /* mount metafs */ + unsigned int ar_num_glockd; /* Number of glockd threads */ }; struct gfs2_tune { -- GitLab From 719ee344675c2efed9115934f19aa66a526b6e5b Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 18 Sep 2008 13:53:59 +0100 Subject: [PATCH 1876/6244] GFS2: high time to take some time over atime Until now, we've used the same scheme as GFS1 for atime. This has failed since atime is a per vfsmnt flag, not a per fs flag and as such the "noatime" flag was not getting passed down to the filesystems. This patch removes all the "special casing" around atime updates and we simply use the VFS's atime code. The net result is that GFS2 will now support all the same atime related mount options of any other filesystem on a per-vfsmnt basis. We do lose the "lazy atime" updates, but we gain "relatime". We could add lazy atime to the VFS at a later date, if there is a requirement for that variant still - I suspect relatime will be enough. Also we lose about 100 lines of code after this patch has been applied, and I have a suspicion that it will speed things up a bit, even when atime is "on". So it seems like a nice clean up as well. From a user perspective, everything stays the same except the loss of the per-fs atime quantum tweekable (ought to be per-vfsmnt at the very least, and to be honest I don't think anybody ever used it) and that a number of options which were ignored before now work correctly. Please let me know if you've got any comments. I'm pushing this out early so that you can all see what my plans are. Signed-off-by: Steven Whitehouse --- fs/gfs2/glock.c | 2 - fs/gfs2/glock.h | 1 - fs/gfs2/incore.h | 2 - fs/gfs2/inode.c | 107 ++++-------------------------------------- fs/gfs2/inode.h | 1 - fs/gfs2/ops_address.c | 16 +++---- fs/gfs2/ops_file.c | 16 +++---- fs/gfs2/ops_fstype.c | 23 ++------- fs/gfs2/ops_super.c | 53 ++++++++++++++------- fs/gfs2/sys.c | 11 ----- 10 files changed, 65 insertions(+), 167 deletions(-) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 806e1eb0aa0d..c962283d4e7f 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1580,8 +1580,6 @@ static const char *hflags2str(char *buf, unsigned flags, unsigned long iflags) *p++ = 'a'; if (flags & GL_EXACT) *p++ = 'E'; - if (flags & GL_ATIME) - *p++ = 'a'; if (flags & GL_NOCACHE) *p++ = 'c'; if (test_bit(HIF_HOLDER, &iflags)) diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 971d92af70fc..695c6b193611 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -24,7 +24,6 @@ #define GL_ASYNC 0x00000040 #define GL_EXACT 0x00000080 #define GL_SKIP 0x00000100 -#define GL_ATIME 0x00000200 #define GL_NOCACHE 0x00000400 #define GLR_TRYFAILED 13 diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index b2c5784092cf..f1ed3a1bf8aa 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -420,7 +420,6 @@ struct gfs2_tune { unsigned int gt_quota_scale_den; /* Denominator */ unsigned int gt_quota_cache_secs; unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ - unsigned int gt_atime_quantum; /* Min secs between atime updates */ unsigned int gt_new_files_jdata; unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ unsigned int gt_stall_secs; /* Detects trouble! */ @@ -433,7 +432,6 @@ enum { SDF_JOURNAL_CHECKED = 0, SDF_JOURNAL_LIVE = 1, SDF_SHUTDOWN = 2, - SDF_NOATIME = 3, }; #define GFS2_FSNAME_LEN 256 diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index c8a959c09f1e..7cee695fa441 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "gfs2.h" #include "incore.h" @@ -249,6 +250,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) { struct gfs2_dinode_host *di = &ip->i_di; const struct gfs2_dinode *str = buf; + struct timespec atime; u16 height, depth; if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) @@ -275,8 +277,10 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) di->di_size = be64_to_cpu(str->di_size); i_size_write(&ip->i_inode, di->di_size); gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); - ip->i_inode.i_atime.tv_sec = be64_to_cpu(str->di_atime); - ip->i_inode.i_atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); + atime.tv_sec = be64_to_cpu(str->di_atime); + atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); + if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0) + ip->i_inode.i_atime = atime; ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); @@ -1157,8 +1161,8 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len) unsigned int x; int error; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &i_gh); - error = gfs2_glock_nq_atime(&i_gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh); + error = gfs2_glock_nq(&i_gh); if (error) { gfs2_holder_uninit(&i_gh); return error; @@ -1193,101 +1197,6 @@ out: return error; } -/** - * gfs2_glock_nq_atime - Acquire a hold on an inode's glock, and - * conditionally update the inode's atime - * @gh: the holder to acquire - * - * Tests atime (access time) for gfs2_read, gfs2_readdir and gfs2_mmap - * Update if the difference between the current time and the inode's current - * atime is greater than an interval specified at mount. - * - * Returns: errno - */ - -int gfs2_glock_nq_atime(struct gfs2_holder *gh) -{ - struct gfs2_glock *gl = gh->gh_gl; - struct gfs2_sbd *sdp = gl->gl_sbd; - struct gfs2_inode *ip = gl->gl_object; - s64 quantum = gfs2_tune_get(sdp, gt_atime_quantum); - unsigned int state; - int flags; - int error; - struct timespec tv = CURRENT_TIME; - - if (gfs2_assert_warn(sdp, gh->gh_flags & GL_ATIME) || - gfs2_assert_warn(sdp, !(gh->gh_flags & GL_ASYNC)) || - gfs2_assert_warn(sdp, gl->gl_ops == &gfs2_inode_glops)) - return -EINVAL; - - state = gh->gh_state; - flags = gh->gh_flags; - - error = gfs2_glock_nq(gh); - if (error) - return error; - - if (test_bit(SDF_NOATIME, &sdp->sd_flags) || - (sdp->sd_vfs->s_flags & MS_RDONLY)) - return 0; - - if (tv.tv_sec - ip->i_inode.i_atime.tv_sec >= quantum) { - gfs2_glock_dq(gh); - gfs2_holder_reinit(LM_ST_EXCLUSIVE, gh->gh_flags & ~LM_FLAG_ANY, - gh); - error = gfs2_glock_nq(gh); - if (error) - return error; - - /* Verify that atime hasn't been updated while we were - trying to get exclusive lock. */ - - tv = CURRENT_TIME; - if (tv.tv_sec - ip->i_inode.i_atime.tv_sec >= quantum) { - struct buffer_head *dibh; - struct gfs2_dinode *di; - - error = gfs2_trans_begin(sdp, RES_DINODE, 0); - if (error == -EROFS) - return 0; - if (error) - goto fail; - - error = gfs2_meta_inode_buffer(ip, &dibh); - if (error) - goto fail_end_trans; - - ip->i_inode.i_atime = tv; - - gfs2_trans_add_bh(ip->i_gl, dibh, 1); - di = (struct gfs2_dinode *)dibh->b_data; - di->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); - di->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); - brelse(dibh); - - gfs2_trans_end(sdp); - } - - /* If someone else has asked for the glock, - unlock and let them have it. Then reacquire - in the original state. */ - if (gfs2_glock_is_blocking(gl)) { - gfs2_glock_dq(gh); - gfs2_holder_reinit(state, flags, gh); - return gfs2_glock_nq(gh); - } - } - - return 0; - -fail_end_trans: - gfs2_trans_end(sdp); -fail: - gfs2_glock_dq(gh); - return error; -} - static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) { diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index bfd2afc0c906..2d43f69610a0 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -92,7 +92,6 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, const struct gfs2_inode *ip); int gfs2_permission(struct inode *inode, int mask); int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len); -int gfs2_glock_nq_atime(struct gfs2_holder *gh); int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr); struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index ae7126aeb447..27563816e1c5 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -512,8 +512,8 @@ static int gfs2_readpage(struct file *file, struct page *page) int error; unlock_page(page); - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); - error = gfs2_glock_nq_atime(&gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh); + error = gfs2_glock_nq(&gh); if (unlikely(error)) goto out; error = AOP_TRUNCATED_PAGE; @@ -594,8 +594,8 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping, struct gfs2_holder gh; int ret; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); - ret = gfs2_glock_nq_atime(&gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh); + ret = gfs2_glock_nq(&gh); if (unlikely(ret)) goto out_uninit; if (!gfs2_is_stuffed(ip)) @@ -636,8 +636,8 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, unsigned to = from + len; struct page *page; - gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME, &ip->i_gh); - error = gfs2_glock_nq_atime(&ip->i_gh); + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh); + error = gfs2_glock_nq(&ip->i_gh); if (unlikely(error)) goto out_uninit; @@ -1000,8 +1000,8 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, * unfortunately have the option of only flushing a range like * the VFS does. */ - gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, GL_ATIME, &gh); - rv = gfs2_glock_nq_atime(&gh); + gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, &gh); + rv = gfs2_glock_nq(&gh); if (rv) return rv; rv = gfs2_ok_for_dio(ip, rw, offset); diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index e9a366d4411c..3a747f8e2188 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -89,8 +89,8 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir) u64 offset = file->f_pos; int error; - gfs2_holder_init(dip->i_gl, LM_ST_SHARED, GL_ATIME, &d_gh); - error = gfs2_glock_nq_atime(&d_gh); + gfs2_holder_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh); + error = gfs2_glock_nq(&d_gh); if (error) { gfs2_holder_uninit(&d_gh); return error; @@ -153,8 +153,8 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) int error; u32 fsflags; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); - error = gfs2_glock_nq_atime(&gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh); + error = gfs2_glock_nq(&gh); if (error) return error; @@ -351,8 +351,8 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) struct gfs2_alloc *al; int ret; - gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME, &gh); - ret = gfs2_glock_nq_atime(&gh); + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); + ret = gfs2_glock_nq(&gh); if (ret) goto out; @@ -434,8 +434,8 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma) struct gfs2_holder i_gh; int error; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &i_gh); - error = gfs2_glock_nq_atime(&i_gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh); + error = gfs2_glock_nq(&i_gh); if (error) { gfs2_holder_uninit(&i_gh); return error; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index ae35f097aa6a..b117fcf2c4f5 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -70,7 +70,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt) gt->gt_quota_scale_den = 1; gt->gt_quota_cache_secs = 300; gt->gt_quota_quantum = 60; - gt->gt_atime_quantum = 3600; gt->gt_new_files_jdata = 0; gt->gt_max_readahead = 1 << 18; gt->gt_stall_secs = 600; @@ -135,22 +134,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) return sdp; } -static void init_vfs(struct super_block *sb, unsigned noatime) -{ - struct gfs2_sbd *sdp = sb->s_fs_info; - - sb->s_magic = GFS2_MAGIC; - sb->s_op = &gfs2_super_ops; - sb->s_export_op = &gfs2_export_ops; - sb->s_time_gran = 1; - sb->s_maxbytes = MAX_LFS_FILESIZE; - - if (sb->s_flags & (MS_NOATIME | MS_NODIRATIME)) - set_bit(noatime, &sdp->sd_flags); - - /* Don't let the VFS update atimes. GFS2 handles this itself. */ - sb->s_flags |= MS_NOATIME | MS_NODIRATIME; -} /** * gfs2_check_sb - Check superblock @@ -1100,7 +1083,11 @@ static int fill_super(struct super_block *sb, void *data, int silent) goto fail; } - init_vfs(sb, SDF_NOATIME); + sb->s_magic = GFS2_MAGIC; + sb->s_op = &gfs2_super_ops; + sb->s_export_op = &gfs2_export_ops; + sb->s_time_gran = 1; + sb->s_maxbytes = MAX_LFS_FILESIZE; /* Set up the buffer cache and fill in some fake block size values to allow us to read-in the on-disk superblock. */ diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 8f332d26b5dd..d5355d9b5926 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -20,6 +20,7 @@ #include #include #include +#include #include "gfs2.h" #include "incore.h" @@ -38,6 +39,7 @@ #include "dir.h" #include "eattr.h" #include "bmap.h" +#include "meta_io.h" /** * gfs2_write_inode - Make sure the inode is stable on the disk @@ -50,16 +52,41 @@ static int gfs2_write_inode(struct inode *inode, int sync) { struct gfs2_inode *ip = GFS2_I(inode); - - /* Check this is a "normal" inode */ - if (test_bit(GIF_USER, &ip->i_flags)) { - if (current->flags & PF_MEMALLOC) - return 0; - if (sync) - gfs2_log_flush(GFS2_SB(inode), ip->i_gl); + struct gfs2_sbd *sdp = GFS2_SB(inode); + struct gfs2_holder gh; + struct buffer_head *bh; + struct timespec atime; + struct gfs2_dinode *di; + int ret = 0; + + /* Check this is a "normal" inode, etc */ + if (!test_bit(GIF_USER, &ip->i_flags) || + (current->flags & PF_MEMALLOC)) + return 0; + ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); + if (ret) + goto do_flush; + ret = gfs2_trans_begin(sdp, RES_DINODE, 0); + if (ret) + goto do_unlock; + ret = gfs2_meta_inode_buffer(ip, &bh); + if (ret == 0) { + di = (struct gfs2_dinode *)bh->b_data; + atime.tv_sec = be64_to_cpu(di->di_atime); + atime.tv_nsec = be32_to_cpu(di->di_atime_nsec); + if (timespec_compare(&inode->i_atime, &atime) > 0) { + gfs2_trans_add_bh(ip->i_gl, bh, 1); + gfs2_dinode_out(ip, bh->b_data); + } + brelse(bh); } - - return 0; + gfs2_trans_end(sdp); +do_unlock: + gfs2_glock_dq_uninit(&gh); +do_flush: + if (sync != 0) + gfs2_log_flush(GFS2_SB(inode), ip->i_gl); + return ret; } /** @@ -297,14 +324,6 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data) } } - if (*flags & (MS_NOATIME | MS_NODIRATIME)) - set_bit(SDF_NOATIME, &sdp->sd_flags); - else - clear_bit(SDF_NOATIME, &sdp->sd_flags); - - /* Don't let the VFS update atimes. GFS2 handles this itself. */ - *flags |= MS_NOATIME | MS_NODIRATIME; - return error; } diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 74846559fc3f..7e1879f1a02c 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -269,14 +269,6 @@ ARGS_ATTR(quota, "%u\n"); ARGS_ATTR(suiddir, "%d\n"); ARGS_ATTR(data, "%d\n"); -/* one oddball doesn't fit the macro mold */ -static ssize_t noatime_show(struct gfs2_sbd *sdp, char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%d\n", - !!test_bit(SDF_NOATIME, &sdp->sd_flags)); -} -static struct args_attr args_attr_noatime = __ATTR_RO(noatime); - static struct attribute *args_attrs[] = { &args_attr_lockproto.attr, &args_attr_locktable.attr, @@ -292,7 +284,6 @@ static struct attribute *args_attrs[] = { &args_attr_quota.attr, &args_attr_suiddir.attr, &args_attr_data.attr, - &args_attr_noatime.attr, NULL, }; @@ -407,7 +398,6 @@ TUNE_ATTR(incore_log_blocks, 0); TUNE_ATTR(log_flush_secs, 0); TUNE_ATTR(quota_warn_period, 0); TUNE_ATTR(quota_quantum, 0); -TUNE_ATTR(atime_quantum, 0); TUNE_ATTR(max_readahead, 0); TUNE_ATTR(complain_secs, 0); TUNE_ATTR(statfs_slow, 0); @@ -427,7 +417,6 @@ static struct attribute *tune_attrs[] = { &tune_attr_log_flush_secs.attr, &tune_attr_quota_warn_period.attr, &tune_attr_quota_quantum.attr, - &tune_attr_atime_quantum.attr, &tune_attr_max_readahead.attr, &tune_attr_complain_secs.attr, &tune_attr_statfs_slow.attr, -- GitLab From 452c1ce218a68b5dbd626397ecfc65ca89dd3cbb Mon Sep 17 00:00:00 2001 From: Chris Snook Date: Sun, 14 Sep 2008 19:56:10 -0500 Subject: [PATCH 1877/6244] atl2: add atl2 driver Driver for Atheros L2 10/100 network device. Includes necessary changes for Kconfig, Makefile, and pci_ids.h. Signed-off-by: Chris Snook Signed-off-by: Jay Cliburn Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 11 + drivers/net/Makefile | 1 + drivers/net/atlx/Makefile | 2 + drivers/net/atlx/atl2.c | 3127 +++++++++++++++++++++++++++++++++++++ drivers/net/atlx/atl2.h | 530 +++++++ include/linux/pci_ids.h | 1 + 6 files changed, 3672 insertions(+) create mode 100644 drivers/net/atlx/atl2.c create mode 100644 drivers/net/atlx/atl2.h diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 4a11296a9514..81a3e959c6c3 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1840,6 +1840,17 @@ config NE_H8300 Say Y here if you want to use the NE2000 compatible controller on the Renesas H8/300 processor. +config ATL2 + tristate "Atheros L2 Fast Ethernet support" + depends on PCI + select CRC32 + select MII + help + This driver supports the Atheros L2 fast ethernet adapter. + + To compile this driver as a module, choose M here. The module + will be called atl2. + source "drivers/net/fs_enet/Kconfig" endif # NET_ETHERNET diff --git a/drivers/net/Makefile b/drivers/net/Makefile index f66b79bd3b89..9221346a515e 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_EHEA) += ehea/ obj-$(CONFIG_CAN) += can/ obj-$(CONFIG_BONDING) += bonding/ obj-$(CONFIG_ATL1) += atlx/ +obj-$(CONFIG_ATL2) += atlx/ obj-$(CONFIG_ATL1E) += atl1e/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o obj-$(CONFIG_TEHUTI) += tehuti.o diff --git a/drivers/net/atlx/Makefile b/drivers/net/atlx/Makefile index ca45553a040d..e4f6022ca552 100644 --- a/drivers/net/atlx/Makefile +++ b/drivers/net/atlx/Makefile @@ -1 +1,3 @@ obj-$(CONFIG_ATL1) += atl1.o +obj-$(CONFIG_ATL2) += atl2.o + diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c new file mode 100644 index 000000000000..d548a67da1e8 --- /dev/null +++ b/drivers/net/atlx/atl2.c @@ -0,0 +1,3127 @@ +/* + * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved. + * Copyright(c) 2007 - 2008 Chris Snook + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atl2.h" + +#define ATL2_DRV_VERSION "2.2.3" + +static char atl2_driver_name[] = "atl2"; +static const char atl2_driver_string[] = "Atheros(R) L2 Ethernet Driver"; +static char atl2_copyright[] = "Copyright (c) 2007 Atheros Corporation."; +static char atl2_driver_version[] = ATL2_DRV_VERSION; + +MODULE_AUTHOR("Atheros Corporation , Chris Snook "); +MODULE_DESCRIPTION("Atheros Fast Ethernet Network Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ATL2_DRV_VERSION); + +/* + * atl2_pci_tbl - PCI Device ID Table + */ +static struct pci_device_id atl2_pci_tbl[] = { + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)}, + /* required last entry */ + {0,} +}; +MODULE_DEVICE_TABLE(pci, atl2_pci_tbl); + +static void atl2_set_ethtool_ops(struct net_device *netdev); + +static void atl2_check_options(struct atl2_adapter *adapter); + +/* + * atl2_sw_init - Initialize general software structures (struct atl2_adapter) + * @adapter: board private structure to initialize + * + * atl2_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + */ +static int __devinit atl2_sw_init(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; + + /* PCI config space info */ + hw->vendor_id = pdev->vendor; + hw->device_id = pdev->device; + hw->subsystem_vendor_id = pdev->subsystem_vendor; + hw->subsystem_id = pdev->subsystem_device; + + pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id); + pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); + + adapter->wol = 0; + adapter->ict = 50000; /* ~100ms */ + adapter->link_speed = SPEED_0; /* hardware init */ + adapter->link_duplex = FULL_DUPLEX; + + hw->phy_configured = false; + hw->preamble_len = 7; + hw->ipgt = 0x60; + hw->min_ifg = 0x50; + hw->ipgr1 = 0x40; + hw->ipgr2 = 0x60; + hw->retry_buf = 2; + hw->max_retry = 0xf; + hw->lcol = 0x37; + hw->jam_ipg = 7; + hw->fc_rxd_hi = 0; + hw->fc_rxd_lo = 0; + hw->max_frame_size = adapter->netdev->mtu; + + spin_lock_init(&adapter->stats_lock); + spin_lock_init(&adapter->tx_lock); + + set_bit(__ATL2_DOWN, &adapter->flags); + + return 0; +} + +/* + * atl2_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atl2_set_multi(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + struct dev_mc_list *mc_ptr; + u32 rctl; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + rctl = ATL2_READ_REG(hw, REG_MAC_CTRL); + + if (netdev->flags & IFF_PROMISC) { + rctl |= MAC_CTRL_PROMIS_EN; + } else if (netdev->flags & IFF_ALLMULTI) { + rctl |= MAC_CTRL_MC_ALL_EN; + rctl &= ~MAC_CTRL_PROMIS_EN; + } else + rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, rctl); + + /* clear the old settings from the multicast hash table */ + ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + /* comoute mc addresses' hash value ,and put it into hash table */ + for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) { + hash_value = atl2_hash_mc_addr(hw, mc_ptr->dmi_addr); + atl2_hash_set(hw, hash_value); + } +} + +static void init_ring_ptrs(struct atl2_adapter *adapter) +{ + /* Read / Write Ptr Initialize: */ + adapter->txd_write_ptr = 0; + atomic_set(&adapter->txd_read_ptr, 0); + + adapter->rxd_read_ptr = 0; + adapter->rxd_write_ptr = 0; + + atomic_set(&adapter->txs_write_ptr, 0); + adapter->txs_next_clear = 0; +} + +/* + * atl2_configure - Configure Transmit&Receive Unit after Reset + * @adapter: board private structure + * + * Configure the Tx /Rx unit of the MAC after a reset. + */ +static int atl2_configure(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + u32 value; + + /* clear interrupt status */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0xffffffff); + + /* set MAC Address */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])); + ATL2_WRITE_REG(hw, REG_MAC_STA_ADDR, value); + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])); + ATL2_WRITE_REG(hw, (REG_MAC_STA_ADDR+4), value); + + /* HI base address */ + ATL2_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, + (u32)((adapter->ring_dma & 0xffffffff00000000ULL) >> 32)); + + /* LO base address */ + ATL2_WRITE_REG(hw, REG_TXD_BASE_ADDR_LO, + (u32)(adapter->txd_dma & 0x00000000ffffffffULL)); + ATL2_WRITE_REG(hw, REG_TXS_BASE_ADDR_LO, + (u32)(adapter->txs_dma & 0x00000000ffffffffULL)); + ATL2_WRITE_REG(hw, REG_RXD_BASE_ADDR_LO, + (u32)(adapter->rxd_dma & 0x00000000ffffffffULL)); + + /* element count */ + ATL2_WRITE_REGW(hw, REG_TXD_MEM_SIZE, (u16)(adapter->txd_ring_size/4)); + ATL2_WRITE_REGW(hw, REG_TXS_MEM_SIZE, (u16)adapter->txs_ring_size); + ATL2_WRITE_REGW(hw, REG_RXD_BUF_NUM, (u16)adapter->rxd_ring_size); + + /* config Internal SRAM */ +/* + ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_tx_end); + ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_rx_end); +*/ + + /* config IPG/IFG */ + value = (((u32)hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << + MAC_IPG_IFG_IPGT_SHIFT) | + (((u32)hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) << + MAC_IPG_IFG_MIFG_SHIFT) | + (((u32)hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) << + MAC_IPG_IFG_IPGR1_SHIFT)| + (((u32)hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) << + MAC_IPG_IFG_IPGR2_SHIFT); + ATL2_WRITE_REG(hw, REG_MAC_IPG_IFG, value); + + /* config Half-Duplex Control */ + value = ((u32)hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | + (((u32)hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) << + MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | + MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | + (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | + (((u32)hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) << + MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); + ATL2_WRITE_REG(hw, REG_MAC_HALF_DUPLX_CTRL, value); + + /* set Interrupt Moderator Timer */ + ATL2_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, adapter->imt); + ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_ITIMER_EN); + + /* set Interrupt Clear Timer */ + ATL2_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, adapter->ict); + + /* set MTU */ + ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu + + ENET_HEADER_SIZE + VLAN_SIZE + ETHERNET_FCS_SIZE); + + /* 1590 */ + ATL2_WRITE_REG(hw, REG_TX_CUT_THRESH, 0x177); + + /* flow control */ + ATL2_WRITE_REGW(hw, REG_PAUSE_ON_TH, hw->fc_rxd_hi); + ATL2_WRITE_REGW(hw, REG_PAUSE_OFF_TH, hw->fc_rxd_lo); + + /* Init mailbox */ + ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr); + ATL2_WRITE_REGW(hw, REG_MB_RXD_RD_IDX, (u16)adapter->rxd_read_ptr); + + /* enable DMA read/write */ + ATL2_WRITE_REGB(hw, REG_DMAR, DMAR_EN); + ATL2_WRITE_REGB(hw, REG_DMAW, DMAW_EN); + + value = ATL2_READ_REG(&adapter->hw, REG_ISR); + if ((value & ISR_PHY_LINKDOWN) != 0) + value = 1; /* config failed */ + else + value = 0; + + /* clear all interrupt status */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0x3fffffff); + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); + return value; +} + +/* + * atl2_setup_ring_resources - allocate Tx / RX descriptor resources + * @adapter: board private structure + * + * Return 0 on success, negative on failure + */ +static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + int size; + u8 offset = 0; + + /* real ring DMA buffer */ + adapter->ring_size = size = + adapter->txd_ring_size * 1 + 7 + /* dword align */ + adapter->txs_ring_size * 4 + 7 + /* dword align */ + adapter->rxd_ring_size * 1536 + 127; /* 128bytes align */ + + adapter->ring_vir_addr = pci_alloc_consistent(pdev, size, + &adapter->ring_dma); + if (!adapter->ring_vir_addr) + return -ENOMEM; + memset(adapter->ring_vir_addr, 0, adapter->ring_size); + + /* Init TXD Ring */ + adapter->txd_dma = adapter->ring_dma ; + offset = (adapter->txd_dma & 0x7) ? (8 - (adapter->txd_dma & 0x7)) : 0; + adapter->txd_dma += offset; + adapter->txd_ring = (struct tx_pkt_header *) (adapter->ring_vir_addr + + offset); + + /* Init TXS Ring */ + adapter->txs_dma = adapter->txd_dma + adapter->txd_ring_size; + offset = (adapter->txs_dma & 0x7) ? (8 - (adapter->txs_dma & 0x7)) : 0; + adapter->txs_dma += offset; + adapter->txs_ring = (struct tx_pkt_status *) + (((u8 *)adapter->txd_ring) + (adapter->txd_ring_size + offset)); + + /* Init RXD Ring */ + adapter->rxd_dma = adapter->txs_dma + adapter->txs_ring_size * 4; + offset = (adapter->rxd_dma & 127) ? + (128 - (adapter->rxd_dma & 127)) : 0; + if (offset > 7) + offset -= 8; + else + offset += (128 - 8); + + adapter->rxd_dma += offset; + adapter->rxd_ring = (struct rx_desc *) (((u8 *)adapter->txs_ring) + + (adapter->txs_ring_size * 4 + offset)); + +/* + * Read / Write Ptr Initialize: + * init_ring_ptrs(adapter); + */ + return 0; +} + +/* + * atl2_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static inline void atl2_irq_enable(struct atl2_adapter *adapter) +{ + ATL2_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); + ATL2_WRITE_FLUSH(&adapter->hw); +} + +/* + * atl2_irq_disable - Mask off interrupt generation on the NIC + * @adapter: board private structure + */ +static inline void atl2_irq_disable(struct atl2_adapter *adapter) +{ + ATL2_WRITE_REG(&adapter->hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(&adapter->hw); + synchronize_irq(adapter->pdev->irq); +} + +#ifdef NETIF_F_HW_VLAN_TX +static void atl2_vlan_rx_register(struct net_device *netdev, + struct vlan_group *grp) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + u32 ctrl; + + atl2_irq_disable(adapter); + adapter->vlgrp = grp; + + if (grp) { + /* enable VLAN tag insert/strip */ + ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL); + ctrl |= MAC_CTRL_RMV_VLAN; + ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl); + } else { + /* disable VLAN tag insert/strip */ + ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL); + ctrl &= ~MAC_CTRL_RMV_VLAN; + ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl); + } + + atl2_irq_enable(adapter); +} + +static void atl2_restore_vlan(struct atl2_adapter *adapter) +{ + atl2_vlan_rx_register(adapter->netdev, adapter->vlgrp); +} +#endif + +static void atl2_intr_rx(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct rx_desc *rxd; + struct sk_buff *skb; + + do { + rxd = adapter->rxd_ring+adapter->rxd_write_ptr; + if (!rxd->status.update) + break; /* end of tx */ + + /* clear this flag at once */ + rxd->status.update = 0; + + if (rxd->status.ok && rxd->status.pkt_size >= 60) { + int rx_size = (int)(rxd->status.pkt_size - 4); + /* alloc new buffer */ + skb = netdev_alloc_skb(netdev, rx_size + NET_IP_ALIGN); + if (NULL == skb) { + printk(KERN_WARNING + "%s: Mem squeeze, deferring packet.\n", + netdev->name); + /* + * Check that some rx space is free. If not, + * free one and mark stats->rx_dropped++. + */ + adapter->net_stats.rx_dropped++; + break; + } + skb_reserve(skb, NET_IP_ALIGN); + skb->dev = netdev; + memcpy(skb->data, rxd->packet, rx_size); + skb_put(skb, rx_size); + skb->protocol = eth_type_trans(skb, netdev); +#ifdef NETIF_F_HW_VLAN_TX + if (adapter->vlgrp && (rxd->status.vlan)) { + u16 vlan_tag = (rxd->status.vtag>>4) | + ((rxd->status.vtag&7) << 13) | + ((rxd->status.vtag&8) << 9); + vlan_hwaccel_rx(skb, adapter->vlgrp, vlan_tag); + } else +#endif + netif_rx(skb); + adapter->net_stats.rx_bytes += rx_size; + adapter->net_stats.rx_packets++; + netdev->last_rx = jiffies; + } else { + adapter->net_stats.rx_errors++; + + if (rxd->status.ok && rxd->status.pkt_size <= 60) + adapter->net_stats.rx_length_errors++; + if (rxd->status.mcast) + adapter->net_stats.multicast++; + if (rxd->status.crc) + adapter->net_stats.rx_crc_errors++; + if (rxd->status.align) + adapter->net_stats.rx_frame_errors++; + } + + /* advance write ptr */ + if (++adapter->rxd_write_ptr == adapter->rxd_ring_size) + adapter->rxd_write_ptr = 0; + } while (1); + + /* update mailbox? */ + adapter->rxd_read_ptr = adapter->rxd_write_ptr; + ATL2_WRITE_REGW(&adapter->hw, REG_MB_RXD_RD_IDX, adapter->rxd_read_ptr); +} + +static void atl2_intr_tx(struct atl2_adapter *adapter) +{ + u32 txd_read_ptr; + u32 txs_write_ptr; + struct tx_pkt_status *txs; + struct tx_pkt_header *txph; + int free_hole = 0; + + do { + txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); + txs = adapter->txs_ring + txs_write_ptr; + if (!txs->update) + break; /* tx stop here */ + + free_hole = 1; + txs->update = 0; + + if (++txs_write_ptr == adapter->txs_ring_size) + txs_write_ptr = 0; + atomic_set(&adapter->txs_write_ptr, (int)txs_write_ptr); + + txd_read_ptr = (u32) atomic_read(&adapter->txd_read_ptr); + txph = (struct tx_pkt_header *) + (((u8 *)adapter->txd_ring) + txd_read_ptr); + + if (txph->pkt_size != txs->pkt_size) { + struct tx_pkt_status *old_txs = txs; + printk(KERN_WARNING + "%s: txs packet size not consistent with txd" + " txd_:0x%08x, txs_:0x%08x!\n", + adapter->netdev->name, + *(u32 *)txph, *(u32 *)txs); + printk(KERN_WARNING + "txd read ptr: 0x%x\n", + txd_read_ptr); + txs = adapter->txs_ring + txs_write_ptr; + printk(KERN_WARNING + "txs-behind:0x%08x\n", + *(u32 *)txs); + if (txs_write_ptr < 2) { + txs = adapter->txs_ring + + (adapter->txs_ring_size + + txs_write_ptr - 2); + } else { + txs = adapter->txs_ring + (txs_write_ptr - 2); + } + printk(KERN_WARNING + "txs-before:0x%08x\n", + *(u32 *)txs); + txs = old_txs; + } + + /* 4for TPH */ + txd_read_ptr += (((u32)(txph->pkt_size) + 7) & ~3); + if (txd_read_ptr >= adapter->txd_ring_size) + txd_read_ptr -= adapter->txd_ring_size; + + atomic_set(&adapter->txd_read_ptr, (int)txd_read_ptr); + + /* tx statistics: */ + if (txs->ok) + adapter->net_stats.tx_packets++; + else + adapter->net_stats.tx_errors++; + + if (txs->defer) + adapter->net_stats.collisions++; + if (txs->abort_col) + adapter->net_stats.tx_aborted_errors++; + if (txs->late_col) + adapter->net_stats.tx_window_errors++; + if (txs->underun) + adapter->net_stats.tx_fifo_errors++; + } while (1); + + if (free_hole) { + if (netif_queue_stopped(adapter->netdev) && + netif_carrier_ok(adapter->netdev)) + netif_wake_queue(adapter->netdev); + } +} + +static void atl2_check_for_link(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u16 phy_data = 0; + + spin_lock(&adapter->stats_lock); + atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->stats_lock); + + /* notify upper layer link down ASAP */ + if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + printk(KERN_INFO "%s: %s NIC Link is Down\n", + atl2_driver_name, netdev->name); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + } + schedule_work(&adapter->link_chg_task); +} + +static inline void atl2_clear_phy_int(struct atl2_adapter *adapter) +{ + u16 phy_data; + spin_lock(&adapter->stats_lock); + atl2_read_phy_reg(&adapter->hw, 19, &phy_data); + spin_unlock(&adapter->stats_lock); +} + +/* + * atl2_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure + */ +static irqreturn_t atl2_intr(int irq, void *data) +{ + struct atl2_adapter *adapter = netdev_priv(data); + struct atl2_hw *hw = &adapter->hw; + u32 status; + + status = ATL2_READ_REG(hw, REG_ISR); + if (0 == status) + return IRQ_NONE; + + /* link event */ + if (status & ISR_PHY) + atl2_clear_phy_int(adapter); + + /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ + ATL2_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); + + /* check if PCIE PHY Link down */ + if (status & ISR_PHY_LINKDOWN) { + if (netif_running(adapter->netdev)) { /* reset MAC */ + ATL2_WRITE_REG(hw, REG_ISR, 0); + ATL2_WRITE_REG(hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(hw); + schedule_work(&adapter->reset_task); + return IRQ_HANDLED; + } + } + + /* check if DMA read/write error? */ + if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { + ATL2_WRITE_REG(hw, REG_ISR, 0); + ATL2_WRITE_REG(hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(hw); + schedule_work(&adapter->reset_task); + return IRQ_HANDLED; + } + + /* link event */ + if (status & (ISR_PHY | ISR_MANUAL)) { + adapter->net_stats.tx_carrier_errors++; + atl2_check_for_link(adapter); + } + + /* transmit event */ + if (status & ISR_TX_EVENT) + atl2_intr_tx(adapter); + + /* rx exception */ + if (status & ISR_RX_EVENT) + atl2_intr_rx(adapter); + + /* re-enable Interrupt */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); + return IRQ_HANDLED; +} + +static int atl2_request_irq(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int flags, err = 0; + + flags = IRQF_SHARED; +#ifdef CONFIG_PCI_MSI + adapter->have_msi = true; + err = pci_enable_msi(adapter->pdev); + if (err) + adapter->have_msi = false; + + if (adapter->have_msi) + flags &= ~IRQF_SHARED; +#endif + + return request_irq(adapter->pdev->irq, &atl2_intr, flags, netdev->name, + netdev); +} + +/* + * atl2_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure + * + * Free all transmit software resources + */ +static void atl2_free_ring_resources(struct atl2_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + pci_free_consistent(pdev, adapter->ring_size, adapter->ring_vir_addr, + adapter->ring_dma); +} + +/* + * atl2_open - Called when a network interface is made active + * @netdev: network interface device structure + * + * Returns 0 on success, negative value on failure + * + * The open entry point is called when a network interface is made + * active by the system (IFF_UP). At this point all resources needed + * for transmit and receive operations are allocated, the interrupt + * handler is registered with the OS, the watchdog timer is started, + * and the stack is notified that the interface is ready. + */ +static int atl2_open(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + int err; + u32 val; + + /* disallow open during test */ + if (test_bit(__ATL2_TESTING, &adapter->flags)) + return -EBUSY; + + /* allocate transmit descriptors */ + err = atl2_setup_ring_resources(adapter); + if (err) + return err; + + err = atl2_init_hw(&adapter->hw); + if (err) { + err = -EIO; + goto err_init_hw; + } + + /* hardware has been reset, we need to reload some things */ + atl2_set_multi(netdev); + init_ring_ptrs(adapter); + +#ifdef NETIF_F_HW_VLAN_TX + atl2_restore_vlan(adapter); +#endif + + if (atl2_configure(adapter)) { + err = -EIO; + goto err_config; + } + + err = atl2_request_irq(adapter); + if (err) + goto err_req_irq; + + clear_bit(__ATL2_DOWN, &adapter->flags); + + mod_timer(&adapter->watchdog_timer, jiffies + 4*HZ); + + val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); + ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, + val | MASTER_CTRL_MANUAL_INT); + + atl2_irq_enable(adapter); + + return 0; + +err_init_hw: +err_req_irq: +err_config: + atl2_free_ring_resources(adapter); + atl2_reset_hw(&adapter->hw); + + return err; +} + +static void atl2_down(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + /* signal that we're down so the interrupt handler does not + * reschedule our watchdog timer */ + set_bit(__ATL2_DOWN, &adapter->flags); + +#ifdef NETIF_F_LLTX + netif_stop_queue(netdev); +#else + netif_tx_disable(netdev); +#endif + + /* reset MAC to disable all RX/TX */ + atl2_reset_hw(&adapter->hw); + msleep(1); + + atl2_irq_disable(adapter); + + del_timer_sync(&adapter->watchdog_timer); + del_timer_sync(&adapter->phy_config_timer); + clear_bit(0, &adapter->cfg_phy); + + netif_carrier_off(netdev); + adapter->link_speed = SPEED_0; + adapter->link_duplex = -1; +} + +static void atl2_free_irq(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + free_irq(adapter->pdev->irq, netdev); + +#ifdef CONFIG_PCI_MSI + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); +#endif +} + +/* + * atl2_close - Disables a network interface + * @netdev: network interface device structure + * + * Returns 0, this is not allowed to fail + * + * The close entry point is called when an interface is de-activated + * by the OS. The hardware is still under the drivers control, but + * needs to be disabled. A global MAC reset is issued to stop the + * hardware, and all transmit and receive resources are freed. + */ +static int atl2_close(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); + + atl2_down(adapter); + atl2_free_irq(adapter); + atl2_free_ring_resources(adapter); + + return 0; +} + +static inline int TxsFreeUnit(struct atl2_adapter *adapter) +{ + u32 txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); + + return (adapter->txs_next_clear >= txs_write_ptr) ? + (int) (adapter->txs_ring_size - adapter->txs_next_clear + + txs_write_ptr - 1) : + (int) (txs_write_ptr - adapter->txs_next_clear - 1); +} + +static inline int TxdFreeBytes(struct atl2_adapter *adapter) +{ + u32 txd_read_ptr = (u32)atomic_read(&adapter->txd_read_ptr); + + return (adapter->txd_write_ptr >= txd_read_ptr) ? + (int) (adapter->txd_ring_size - adapter->txd_write_ptr + + txd_read_ptr - 1) : + (int) (txd_read_ptr - adapter->txd_write_ptr - 1); +} + +static int atl2_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + struct tx_pkt_header *txph; + u32 offset, copy_len; + int txs_unused; + int txbuf_unused; + + if (test_bit(__ATL2_DOWN, &adapter->flags)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + if (unlikely(skb->len <= 0)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + +#ifdef NETIF_F_LLTX + local_irq_save(flags); + if (!spin_trylock(&adapter->tx_lock)) { + /* Collision - tell upper layer to requeue */ + local_irq_restore(flags); + return NETDEV_TX_LOCKED; + } +#else + spin_lock_irqsave(&adapter->tx_lock, flags); +#endif + txs_unused = TxsFreeUnit(adapter); + txbuf_unused = TxdFreeBytes(adapter); + + if (skb->len + sizeof(struct tx_pkt_header) + 4 > txbuf_unused || + txs_unused < 1) { + /* not enough resources */ + netif_stop_queue(netdev); + spin_unlock_irqrestore(&adapter->tx_lock, flags); + return NETDEV_TX_BUSY; + } + + offset = adapter->txd_write_ptr; + + txph = (struct tx_pkt_header *) (((u8 *)adapter->txd_ring) + offset); + + *(u32 *)txph = 0; + txph->pkt_size = skb->len; + + offset += 4; + if (offset >= adapter->txd_ring_size) + offset -= adapter->txd_ring_size; + copy_len = adapter->txd_ring_size - offset; + if (copy_len >= skb->len) { + memcpy(((u8 *)adapter->txd_ring) + offset, skb->data, skb->len); + offset += ((u32)(skb->len + 3) & ~3); + } else { + memcpy(((u8 *)adapter->txd_ring)+offset, skb->data, copy_len); + memcpy((u8 *)adapter->txd_ring, skb->data+copy_len, + skb->len-copy_len); + offset = ((u32)(skb->len-copy_len + 3) & ~3); + } +#ifdef NETIF_F_HW_VLAN_TX + if (adapter->vlgrp && vlan_tx_tag_present(skb)) { + u16 vlan_tag = vlan_tx_tag_get(skb); + vlan_tag = (vlan_tag << 4) | + (vlan_tag >> 13) | + ((vlan_tag >> 9) & 0x8); + txph->ins_vlan = 1; + txph->vlan = vlan_tag; + } +#endif + if (offset >= adapter->txd_ring_size) + offset -= adapter->txd_ring_size; + adapter->txd_write_ptr = offset; + + /* clear txs before send */ + adapter->txs_ring[adapter->txs_next_clear].update = 0; + if (++adapter->txs_next_clear == adapter->txs_ring_size) + adapter->txs_next_clear = 0; + + ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX, + (adapter->txd_write_ptr >> 2)); + + spin_unlock_irqrestore(&adapter->tx_lock, flags); + + netdev->trans_start = jiffies; + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; +} + +/* + * atl2_get_stats - Get System Network Statistics + * @netdev: network interface device structure + * + * Returns the address of the device statistics structure. + * The statistics are actually updated from the timer callback. + */ +static struct net_device_stats *atl2_get_stats(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + return &adapter->net_stats; +} + +/* + * atl2_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl2_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + if ((new_mtu < 40) || (new_mtu > (ETH_DATA_LEN + VLAN_SIZE))) + return -EINVAL; + + /* set MTU */ + if (hw->max_frame_size != new_mtu) { + netdev->mtu = new_mtu; + ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ENET_HEADER_SIZE + + VLAN_SIZE + ETHERNET_FCS_SIZE); + } + + return 0; +} + +/* + * atl2_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atl2_set_mac(struct net_device *netdev, void *p) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + if (netif_running(netdev)) + return -EBUSY; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atl2_set_mac_addr(&adapter->hw); + + return 0; +} + +/* + * atl2_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct mii_ioctl_data *data = if_mii(ifr); + unsigned long flags; + + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 0; + break; + case SIOCGMIIREG: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + spin_lock_irqsave(&adapter->stats_lock, flags); + if (atl2_read_phy_reg(&adapter->hw, + data->reg_num & 0x1F, &data->val_out)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); + return -EIO; + } + spin_unlock_irqrestore(&adapter->stats_lock, flags); + break; + case SIOCSMIIREG: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + if (data->reg_num & ~(0x1F)) + return -EFAULT; + spin_lock_irqsave(&adapter->stats_lock, flags); + if (atl2_write_phy_reg(&adapter->hw, data->reg_num, + data->val_in)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); + return -EIO; + } + spin_unlock_irqrestore(&adapter->stats_lock, flags); + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + +/* + * atl2_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atl2_mii_ioctl(netdev, ifr, cmd); +#ifdef ETHTOOL_OPS_COMPAT + case SIOCETHTOOL: + return ethtool_ioctl(ifr); +#endif + default: + return -EOPNOTSUPP; + } +} + +/* + * atl2_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atl2_tx_timeout(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->reset_task); +} + +/* + * atl2_watchdog - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl2_watchdog(unsigned long data) +{ + struct atl2_adapter *adapter = (struct atl2_adapter *) data; + u32 drop_rxd, drop_rxs; + unsigned long flags; + + if (!test_bit(__ATL2_DOWN, &adapter->flags)) { + spin_lock_irqsave(&adapter->stats_lock, flags); + drop_rxd = ATL2_READ_REG(&adapter->hw, REG_STS_RXD_OV); + drop_rxs = ATL2_READ_REG(&adapter->hw, REG_STS_RXS_OV); + adapter->net_stats.rx_over_errors += (drop_rxd+drop_rxs); + spin_unlock_irqrestore(&adapter->stats_lock, flags); + + /* Reset the timer */ + mod_timer(&adapter->watchdog_timer, jiffies + 4 * HZ); + } +} + +/* + * atl2_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl2_phy_config(unsigned long data) +{ + struct atl2_adapter *adapter = (struct atl2_adapter *) data; + struct atl2_hw *hw = &adapter->hw; + unsigned long flags; + + spin_lock_irqsave(&adapter->stats_lock, flags); + atl2_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); + atl2_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN | + MII_CR_RESTART_AUTO_NEG); + spin_unlock_irqrestore(&adapter->stats_lock, flags); + clear_bit(0, &adapter->cfg_phy); +} + +static int atl2_up(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err = 0; + u32 val; + + /* hardware has been reset, we need to reload some things */ + + err = atl2_init_hw(&adapter->hw); + if (err) { + err = -EIO; + return err; + } + + atl2_set_multi(netdev); + init_ring_ptrs(adapter); + +#ifdef NETIF_F_HW_VLAN_TX + atl2_restore_vlan(adapter); +#endif + + if (atl2_configure(adapter)) { + err = -EIO; + goto err_up; + } + + clear_bit(__ATL2_DOWN, &adapter->flags); + + val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); + ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, val | + MASTER_CTRL_MANUAL_INT); + + atl2_irq_enable(adapter); + +err_up: + return err; +} + +static void atl2_reinit_locked(struct atl2_adapter *adapter) +{ + WARN_ON(in_interrupt()); + while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) + msleep(1); + atl2_down(adapter); + atl2_up(adapter); + clear_bit(__ATL2_RESETTING, &adapter->flags); +} + +static void atl2_reset_task(struct work_struct *work) +{ + struct atl2_adapter *adapter; + adapter = container_of(work, struct atl2_adapter, reset_task); + + atl2_reinit_locked(adapter); +} + +static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter) +{ + u32 value; + struct atl2_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + + /* Config MAC CTRL Register */ + value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; + + /* duplex */ + if (FULL_DUPLEX == adapter->link_duplex) + value |= MAC_CTRL_DUPLX; + + /* flow control */ + value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); + + /* PAD & CRC */ + value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + + /* preamble length */ + value |= (((u32)adapter->hw.preamble_len & MAC_CTRL_PRMLEN_MASK) << + MAC_CTRL_PRMLEN_SHIFT); + + /* vlan */ + if (adapter->vlgrp) + value |= MAC_CTRL_RMV_VLAN; + + /* filter mode */ + value |= MAC_CTRL_BC_EN; + if (netdev->flags & IFF_PROMISC) + value |= MAC_CTRL_PROMIS_EN; + else if (netdev->flags & IFF_ALLMULTI) + value |= MAC_CTRL_MC_ALL_EN; + + /* half retry buffer */ + value |= (((u32)(adapter->hw.retry_buf & + MAC_CTRL_HALF_LEFT_BUF_MASK)) << MAC_CTRL_HALF_LEFT_BUF_SHIFT); + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); +} + +static int atl2_check_link(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + int ret_val; + u16 speed, duplex, phy_data; + int reconfig = 0; + + /* MII_BMSR must read twise */ + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + if (!(phy_data&BMSR_LSTATUS)) { /* link down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + u32 value; + /* disable rx */ + value = ATL2_READ_REG(hw, REG_MAC_CTRL); + value &= ~MAC_CTRL_RX_EN; + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + return 0; + } + + /* Link Up */ + ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); + if (ret_val) + return ret_val; + switch (hw->MediaType) { + case MEDIA_TYPE_100M_FULL: + if (speed != SPEED_100 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_100M_HALF: + if (speed != SPEED_100 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_FULL: + if (speed != SPEED_10 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_HALF: + if (speed != SPEED_10 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + } + /* link result is our setting */ + if (reconfig == 0) { + if (adapter->link_speed != speed || + adapter->link_duplex != duplex) { + adapter->link_speed = speed; + adapter->link_duplex = duplex; + atl2_setup_mac_ctrl(adapter); + printk(KERN_INFO "%s: %s NIC Link is Up<%d Mbps %s>\n", + atl2_driver_name, netdev->name, + adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? + "Full Duplex" : "Half Duplex"); + } + + if (!netif_carrier_ok(netdev)) { /* Link down -> Up */ + netif_carrier_on(netdev); + netif_wake_queue(netdev); + } + return 0; + } + + /* change original link status */ + if (netif_carrier_ok(netdev)) { + u32 value; + /* disable rx */ + value = ATL2_READ_REG(hw, REG_MAC_CTRL); + value &= ~MAC_CTRL_RX_EN; + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); + + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + + /* auto-neg, insert timer to re-config phy + * (if interval smaller than 5 seconds, something strange) */ + if (!test_bit(__ATL2_DOWN, &adapter->flags)) { + if (!test_and_set_bit(0, &adapter->cfg_phy)) + mod_timer(&adapter->phy_config_timer, jiffies + 5 * HZ); + } + + return 0; +} + +/* + * atl2_link_chg_task - deal with link change event Out of interrupt context + * @netdev: network interface device structure + */ +static void atl2_link_chg_task(struct work_struct *work) +{ + struct atl2_adapter *adapter; + unsigned long flags; + + adapter = container_of(work, struct atl2_adapter, link_chg_task); + + spin_lock_irqsave(&adapter->stats_lock, flags); + atl2_check_link(adapter); + spin_unlock_irqrestore(&adapter->stats_lock, flags); +} + +static void atl2_setup_pcicmd(struct pci_dev *pdev) +{ + u16 cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + + if (cmd & PCI_COMMAND_INTX_DISABLE) + cmd &= ~PCI_COMMAND_INTX_DISABLE; + if (cmd & PCI_COMMAND_IO) + cmd &= ~PCI_COMMAND_IO; + if (0 == (cmd & PCI_COMMAND_MEMORY)) + cmd |= PCI_COMMAND_MEMORY; + if (0 == (cmd & PCI_COMMAND_MASTER)) + cmd |= PCI_COMMAND_MASTER; + pci_write_config_word(pdev, PCI_COMMAND, cmd); + + /* + * some motherboards BIOS(PXE/EFI) driver may set PME + * while they transfer control to OS (Windows/Linux) + * so we should clear this bit before NIC work normally + */ + pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); +} + +/* + * atl2_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in atl2_pci_tbl + * + * Returns 0 on success, negative on failure + * + * atl2_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + */ +static int __devinit atl2_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct atl2_adapter *adapter; + static int cards_found; + unsigned long mmio_start; + int mmio_len; + int err; + + cards_found = 0; + + err = pci_enable_device(pdev); + if (err) + return err; + + /* + * atl2 is a shared-high-32-bit device, so we're stuck with 32-bit DMA + * until the kernel has the proper infrastructure to support 64-bit DMA + * on these devices. + */ + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) && + pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { + printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n"); + goto err_dma; + } + + /* Mark all PCI regions associated with PCI device + * pdev as being reserved by owner atl2_driver_name */ + err = pci_request_regions(pdev, atl2_driver_name); + if (err) + goto err_pci_reg; + + /* Enables bus-mastering on the device and calls + * pcibios_set_master to do the needed arch specific settings */ + pci_set_master(pdev); + + err = -ENOMEM; + netdev = alloc_etherdev(sizeof(struct atl2_adapter)); + if (!netdev) + goto err_alloc_etherdev; + + SET_NETDEV_DEV(netdev, &pdev->dev); + + pci_set_drvdata(pdev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->hw.back = adapter; + + mmio_start = pci_resource_start(pdev, 0x0); + mmio_len = pci_resource_len(pdev, 0x0); + + adapter->hw.mem_rang = (u32)mmio_len; + adapter->hw.hw_addr = ioremap(mmio_start, mmio_len); + if (!adapter->hw.hw_addr) { + err = -EIO; + goto err_ioremap; + } + + atl2_setup_pcicmd(pdev); + + netdev->open = &atl2_open; + netdev->stop = &atl2_close; + netdev->hard_start_xmit = &atl2_xmit_frame; + netdev->get_stats = &atl2_get_stats; + netdev->set_multicast_list = &atl2_set_multi; + netdev->set_mac_address = &atl2_set_mac; + netdev->change_mtu = &atl2_change_mtu; + netdev->do_ioctl = &atl2_ioctl; + atl2_set_ethtool_ops(netdev); + +#ifdef HAVE_TX_TIMEOUT + netdev->tx_timeout = &atl2_tx_timeout; + netdev->watchdog_timeo = 5 * HZ; +#endif +#ifdef NETIF_F_HW_VLAN_TX + netdev->vlan_rx_register = atl2_vlan_rx_register; +#endif + strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); + + netdev->mem_start = mmio_start; + netdev->mem_end = mmio_start + mmio_len; + adapter->bd_number = cards_found; + adapter->pci_using_64 = false; + + /* setup the private structure */ + err = atl2_sw_init(adapter); + if (err) + goto err_sw_init; + + err = -EIO; + +#ifdef NETIF_F_HW_VLAN_TX + netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); +#endif + +#ifdef NETIF_F_LLTX + netdev->features |= NETIF_F_LLTX; +#endif + + /* Init PHY as early as possible due to power saving issue */ + atl2_phy_init(&adapter->hw); + + /* reset the controller to + * put the device in a known good starting state */ + + if (atl2_reset_hw(&adapter->hw)) { + err = -EIO; + goto err_reset; + } + + /* copy the MAC address out of the EEPROM */ + atl2_read_mac_addr(&adapter->hw); + memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); +/* FIXME: do we still need this? */ +#ifdef ETHTOOL_GPERMADDR + memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); + + if (!is_valid_ether_addr(netdev->perm_addr)) { +#else + if (!is_valid_ether_addr(netdev->dev_addr)) { +#endif + err = -EIO; + goto err_eeprom; + } + + atl2_check_options(adapter); + + init_timer(&adapter->watchdog_timer); + adapter->watchdog_timer.function = &atl2_watchdog; + adapter->watchdog_timer.data = (unsigned long) adapter; + + init_timer(&adapter->phy_config_timer); + adapter->phy_config_timer.function = &atl2_phy_config; + adapter->phy_config_timer.data = (unsigned long) adapter; + + INIT_WORK(&adapter->reset_task, atl2_reset_task); + INIT_WORK(&adapter->link_chg_task, atl2_link_chg_task); + + strcpy(netdev->name, "eth%d"); /* ?? */ + err = register_netdev(netdev); + if (err) + goto err_register; + + /* assume we have no link for now */ + netif_carrier_off(netdev); + netif_stop_queue(netdev); + + cards_found++; + + return 0; + +err_reset: +err_register: +err_sw_init: +err_eeprom: + iounmap(adapter->hw.hw_addr); +err_ioremap: + free_netdev(netdev); +err_alloc_etherdev: + pci_release_regions(pdev); +err_pci_reg: +err_dma: + pci_disable_device(pdev); + return err; +} + +/* + * atl2_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * atl2_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + */ +/* FIXME: write the original MAC address back in case it was changed from a + * BIOS-set value, as in atl1 -- CHS */ +static void __devexit atl2_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + + /* flush_scheduled work may reschedule our watchdog task, so + * explicitly disable watchdog tasks from being rescheduled */ + set_bit(__ATL2_DOWN, &adapter->flags); + + del_timer_sync(&adapter->watchdog_timer); + del_timer_sync(&adapter->phy_config_timer); + + flush_scheduled_work(); + + unregister_netdev(netdev); + + atl2_force_ps(&adapter->hw); + + iounmap(adapter->hw.hw_addr); + pci_release_regions(pdev); + + free_netdev(netdev); + + pci_disable_device(pdev); +} + +static int atl2_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u16 speed, duplex; + u32 ctrl = 0; + u32 wufc = adapter->wol; + +#ifdef CONFIG_PM + int retval = 0; +#endif + + netif_device_detach(netdev); + + if (netif_running(netdev)) { + WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); + atl2_down(adapter); + } + +#ifdef CONFIG_PM + retval = pci_save_state(pdev); + if (retval) + return retval; +#endif + + atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); + atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); + if (ctrl & BMSR_LSTATUS) + wufc &= ~ATLX_WUFC_LNKC; + + if (0 != (ctrl & BMSR_LSTATUS) && 0 != wufc) { + u32 ret_val; + /* get current link speed & duplex */ + ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); + if (ret_val) { + printk(KERN_DEBUG + "%s: get speed&duplex error while suspend\n", + atl2_driver_name); + goto wol_dis; + } + + ctrl = 0; + + /* turn on magic packet wol */ + if (wufc & ATLX_WUFC_MAG) + ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); + + /* ignore Link Chg event when Link is up */ + ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); + + /* Config MAC CTRL Register */ + ctrl = MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; + if (FULL_DUPLEX == adapter->link_duplex) + ctrl |= MAC_CTRL_DUPLX; + ctrl |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + ctrl |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); + ctrl |= (((u32)(adapter->hw.retry_buf & + MAC_CTRL_HALF_LEFT_BUF_MASK)) << + MAC_CTRL_HALF_LEFT_BUF_SHIFT); + if (wufc & ATLX_WUFC_MAG) { + /* magic packet maybe Broadcast&multicast&Unicast */ + ctrl |= MAC_CTRL_BC_EN; + } + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, ctrl); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); + goto suspend_exit; + } + + if (0 == (ctrl&BMSR_LSTATUS) && 0 != (wufc&ATLX_WUFC_LNKC)) { + /* link is down, so only LINK CHG WOL event enable */ + ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); + ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); + ATL2_WRITE_REG(hw, REG_MAC_CTRL, 0); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + hw->phy_configured = false; /* re-init PHY when resume */ + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); + + goto suspend_exit; + } + +wol_dis: + /* WOL disabled */ + ATL2_WRITE_REG(hw, REG_WOL_CTRL, 0); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + atl2_force_ps(hw); + hw->phy_configured = false; /* re-init PHY when resume */ + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); + +suspend_exit: + if (netif_running(netdev)) + atl2_free_irq(adapter); + + pci_disable_device(pdev); + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +#ifdef CONFIG_PM +static int atl2_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + u32 err; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR + "atl2: Cannot enable PCI device from suspend\n"); + return err; + } + + pci_set_master(pdev); + + ATL2_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + ATL2_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); + + err = atl2_request_irq(adapter); + if (netif_running(netdev) && err) + return err; + + atl2_reset_hw(&adapter->hw); + + if (netif_running(netdev)) + atl2_up(adapter); + + netif_device_attach(netdev); + + return 0; +} +#endif + +static void atl2_shutdown(struct pci_dev *pdev) +{ + atl2_suspend(pdev, PMSG_SUSPEND); +} + +static struct pci_driver atl2_driver = { + .name = atl2_driver_name, + .id_table = atl2_pci_tbl, + .probe = atl2_probe, + .remove = __devexit_p(atl2_remove), + /* Power Managment Hooks */ + .suspend = atl2_suspend, +#ifdef CONFIG_PM + .resume = atl2_resume, +#endif + .shutdown = atl2_shutdown, +}; + +/* + * atl2_init_module - Driver Registration Routine + * + * atl2_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + */ +static int __init atl2_init_module(void) +{ + printk(KERN_INFO "%s - version %s\n", atl2_driver_string, + atl2_driver_version); + printk(KERN_INFO "%s\n", atl2_copyright); + return pci_register_driver(&atl2_driver); +} +module_init(atl2_init_module); + +/* + * atl2_exit_module - Driver Exit Cleanup Routine + * + * atl2_exit_module is called just before the driver is removed + * from memory. + */ +static void __exit atl2_exit_module(void) +{ + pci_unregister_driver(&atl2_driver); +} +module_exit(atl2_exit_module); + +static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) +{ + struct atl2_adapter *adapter = hw->back; + pci_read_config_word(adapter->pdev, reg, value); +} + +static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) +{ + struct atl2_adapter *adapter = hw->back; + pci_write_config_word(adapter->pdev, reg, *value); +} + +static int atl2_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_TP); + ecmd->advertising = ADVERTISED_TP; + + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->advertising |= hw->autoneg_advertised; + + ecmd->port = PORT_TP; + ecmd->phy_address = 0; + ecmd->transceiver = XCVR_INTERNAL; + + if (adapter->link_speed != SPEED_0) { + ecmd->speed = adapter->link_speed; + if (adapter->link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_ENABLE; + return 0; +} + +static int atl2_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) + msleep(1); + + if (ecmd->autoneg == AUTONEG_ENABLE) { +#define MY_ADV_MASK (ADVERTISE_10_HALF | \ + ADVERTISE_10_FULL | \ + ADVERTISE_100_HALF| \ + ADVERTISE_100_FULL) + + if ((ecmd->advertising & MY_ADV_MASK) == MY_ADV_MASK) { + hw->MediaType = MEDIA_TYPE_AUTO_SENSOR; + hw->autoneg_advertised = MY_ADV_MASK; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_100_FULL) { + hw->MediaType = MEDIA_TYPE_100M_FULL; + hw->autoneg_advertised = ADVERTISE_100_FULL; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_100_HALF) { + hw->MediaType = MEDIA_TYPE_100M_HALF; + hw->autoneg_advertised = ADVERTISE_100_HALF; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_10_FULL) { + hw->MediaType = MEDIA_TYPE_10M_FULL; + hw->autoneg_advertised = ADVERTISE_10_FULL; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_10_HALF) { + hw->MediaType = MEDIA_TYPE_10M_HALF; + hw->autoneg_advertised = ADVERTISE_10_HALF; + } else { + clear_bit(__ATL2_RESETTING, &adapter->flags); + return -EINVAL; + } + ecmd->advertising = hw->autoneg_advertised | + ADVERTISED_TP | ADVERTISED_Autoneg; + } else { + clear_bit(__ATL2_RESETTING, &adapter->flags); + return -EINVAL; + } + + /* reset the link */ + if (netif_running(adapter->netdev)) { + atl2_down(adapter); + atl2_up(adapter); + } else + atl2_reset_hw(&adapter->hw); + + clear_bit(__ATL2_RESETTING, &adapter->flags); + return 0; +} + +static u32 atl2_get_tx_csum(struct net_device *netdev) +{ + return (netdev->features & NETIF_F_HW_CSUM) != 0; +} + +static u32 atl2_get_msglevel(struct net_device *netdev) +{ + return 0; +} + +/* + * It's sane for this to be empty, but we might want to take advantage of this. + */ +static void atl2_set_msglevel(struct net_device *netdev, u32 data) +{ +} + +static int atl2_get_regs_len(struct net_device *netdev) +{ +#define ATL2_REGS_LEN 42 + return sizeof(u32) * ATL2_REGS_LEN; +} + +static void atl2_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u16 phy_data; + + memset(p, 0, sizeof(u32) * ATL2_REGS_LEN); + + regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; + + regs_buff[0] = ATL2_READ_REG(hw, REG_VPD_CAP); + regs_buff[1] = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + regs_buff[2] = ATL2_READ_REG(hw, REG_SPI_FLASH_CONFIG); + regs_buff[3] = ATL2_READ_REG(hw, REG_TWSI_CTRL); + regs_buff[4] = ATL2_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); + regs_buff[5] = ATL2_READ_REG(hw, REG_MASTER_CTRL); + regs_buff[6] = ATL2_READ_REG(hw, REG_MANUAL_TIMER_INIT); + regs_buff[7] = ATL2_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); + regs_buff[8] = ATL2_READ_REG(hw, REG_PHY_ENABLE); + regs_buff[9] = ATL2_READ_REG(hw, REG_CMBDISDMA_TIMER); + regs_buff[10] = ATL2_READ_REG(hw, REG_IDLE_STATUS); + regs_buff[11] = ATL2_READ_REG(hw, REG_MDIO_CTRL); + regs_buff[12] = ATL2_READ_REG(hw, REG_SERDES_LOCK); + regs_buff[13] = ATL2_READ_REG(hw, REG_MAC_CTRL); + regs_buff[14] = ATL2_READ_REG(hw, REG_MAC_IPG_IFG); + regs_buff[15] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); + regs_buff[16] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR+4); + regs_buff[17] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE); + regs_buff[18] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE+4); + regs_buff[19] = ATL2_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); + regs_buff[20] = ATL2_READ_REG(hw, REG_MTU); + regs_buff[21] = ATL2_READ_REG(hw, REG_WOL_CTRL); + regs_buff[22] = ATL2_READ_REG(hw, REG_SRAM_TXRAM_END); + regs_buff[23] = ATL2_READ_REG(hw, REG_DESC_BASE_ADDR_HI); + regs_buff[24] = ATL2_READ_REG(hw, REG_TXD_BASE_ADDR_LO); + regs_buff[25] = ATL2_READ_REG(hw, REG_TXD_MEM_SIZE); + regs_buff[26] = ATL2_READ_REG(hw, REG_TXS_BASE_ADDR_LO); + regs_buff[27] = ATL2_READ_REG(hw, REG_TXS_MEM_SIZE); + regs_buff[28] = ATL2_READ_REG(hw, REG_RXD_BASE_ADDR_LO); + regs_buff[29] = ATL2_READ_REG(hw, REG_RXD_BUF_NUM); + regs_buff[30] = ATL2_READ_REG(hw, REG_DMAR); + regs_buff[31] = ATL2_READ_REG(hw, REG_TX_CUT_THRESH); + regs_buff[32] = ATL2_READ_REG(hw, REG_DMAW); + regs_buff[33] = ATL2_READ_REG(hw, REG_PAUSE_ON_TH); + regs_buff[34] = ATL2_READ_REG(hw, REG_PAUSE_OFF_TH); + regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX); + regs_buff[36] = ATL2_READ_REG(hw, REG_MB_RXD_RD_IDX); + regs_buff[38] = ATL2_READ_REG(hw, REG_ISR); + regs_buff[39] = ATL2_READ_REG(hw, REG_IMR); + + atl2_read_phy_reg(hw, MII_BMCR, &phy_data); + regs_buff[40] = (u32)phy_data; + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + regs_buff[41] = (u32)phy_data; +} + +static int atl2_get_eeprom_len(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + if (!atl2_check_eeprom_exist(&adapter->hw)) + return 512; + else + return 0; +} + +static int atl2_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *eeprom_buff; + int first_dword, last_dword; + int ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EINVAL; + + if (atl2_check_eeprom_exist(hw)) + return -EINVAL; + + eeprom->magic = hw->vendor_id | (hw->device_id << 16); + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + + eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1), + GFP_KERNEL); + if (!eeprom_buff) + return -ENOMEM; + + for (i = first_dword; i < last_dword; i++) { + if (!atl2_read_eeprom(hw, i*4, &(eeprom_buff[i-first_dword]))) + return -EIO; + } + + memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), + eeprom->len); + kfree(eeprom_buff); + + return ret_val; +} + +static int atl2_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *eeprom_buff; + u32 *ptr; + int max_len, first_dword, last_dword, ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EOPNOTSUPP; + + if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + return -EFAULT; + + max_len = 512; + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + eeprom_buff = kmalloc(max_len, GFP_KERNEL); + if (!eeprom_buff) + return -ENOMEM; + + ptr = (u32 *)eeprom_buff; + + if (eeprom->offset & 3) { + /* need read/modify/write of first changed EEPROM word */ + /* only the second byte of the word is being modified */ + if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) + return -EIO; + ptr++; + } + if (((eeprom->offset + eeprom->len) & 3)) { + /* + * need read/modify/write of last changed EEPROM word + * only the first byte of the word is being modified + */ + if (!atl2_read_eeprom(hw, last_dword * 4, + &(eeprom_buff[last_dword - first_dword]))) + return -EIO; + } + + /* Device's eeprom is always little-endian, word addressable */ + memcpy(ptr, bytes, eeprom->len); + + for (i = 0; i < last_dword - first_dword + 1; i++) { + if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) + return -EIO; + } + + kfree(eeprom_buff); + return ret_val; +} + +static void atl2_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + strncpy(drvinfo->driver, atl2_driver_name, 32); + strncpy(drvinfo->version, atl2_driver_version, 32); + strncpy(drvinfo->fw_version, "L2", 32); + strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = atl2_get_regs_len(netdev); + drvinfo->eedump_len = atl2_get_eeprom_len(netdev); +} + +static void atl2_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC; + wol->wolopts = 0; + + if (adapter->wol & ATLX_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if (adapter->wol & ATLX_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if (adapter->wol & ATLX_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if (adapter->wol & ATLX_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & ATLX_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; +} + +static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE)) + return -EOPNOTSUPP; + + if (wol->wolopts & (WAKE_MCAST|WAKE_BCAST|WAKE_MCAST)) + return -EOPNOTSUPP; + + /* these settings will always override what we currently have */ + adapter->wol = 0; + + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= ATLX_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= ATLX_WUFC_LNKC; + + return 0; +} + +static int atl2_nway_reset(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + if (netif_running(netdev)) + atl2_reinit_locked(adapter); + return 0; +} + +static struct ethtool_ops atl2_ethtool_ops = { + .get_settings = atl2_get_settings, + .set_settings = atl2_set_settings, + .get_drvinfo = atl2_get_drvinfo, + .get_regs_len = atl2_get_regs_len, + .get_regs = atl2_get_regs, + .get_wol = atl2_get_wol, + .set_wol = atl2_set_wol, + .get_msglevel = atl2_get_msglevel, + .set_msglevel = atl2_set_msglevel, + .nway_reset = atl2_nway_reset, + .get_link = ethtool_op_get_link, + .get_eeprom_len = atl2_get_eeprom_len, + .get_eeprom = atl2_get_eeprom, + .set_eeprom = atl2_set_eeprom, + .get_tx_csum = atl2_get_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, +#ifdef NETIF_F_TSO + .get_tso = ethtool_op_get_tso, +#endif +}; + +static void atl2_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &atl2_ethtool_ops); +} + +#define LBYTESWAP(a) ((((a) & 0x00ff00ff) << 8) | \ + (((a) & 0xff00ff00) >> 8)) +#define LONGSWAP(a) ((LBYTESWAP(a) << 16) | (LBYTESWAP(a) >> 16)) +#define SHORTSWAP(a) (((a) << 8) | ((a) >> 8)) + +/* + * Reset the transmit and receive units; mask and clear all interrupts. + * + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +static s32 atl2_reset_hw(struct atl2_hw *hw) +{ + u32 icr; + u16 pci_cfg_cmd_word; + int i; + + /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ + atl2_read_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); + if ((pci_cfg_cmd_word & + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) != + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) { + pci_cfg_cmd_word |= + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER); + atl2_write_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); + } + + /* Clear Interrupt mask to stop board from generating + * interrupts & Clear any pending interrupt events + */ + /* FIXME */ + /* ATL2_WRITE_REG(hw, REG_IMR, 0); */ + /* ATL2_WRITE_REG(hw, REG_ISR, 0xffffffff); */ + + /* Issue Soft Reset to the MAC. This will reset the chip's + * transmit, receive, DMA. It will not effect + * the current PCI configuration. The global reset bit is self- + * clearing, and should clear within a microsecond. + */ + ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST); + wmb(); + msleep(1); /* delay about 1ms */ + + /* Wait at least 10ms for All module to be Idle */ + for (i = 0; i < 10; i++) { + icr = ATL2_READ_REG(hw, REG_IDLE_STATUS); + if (!icr) + break; + msleep(1); /* delay 1 ms */ + cpu_relax(); + } + + if (icr) + return icr; + + return 0; +} + +#define CUSTOM_SPI_CS_SETUP 2 +#define CUSTOM_SPI_CLK_HI 2 +#define CUSTOM_SPI_CLK_LO 2 +#define CUSTOM_SPI_CS_HOLD 2 +#define CUSTOM_SPI_CS_HI 3 + +static struct atl2_spi_flash_dev flash_table[] = +{ +/* MFR WRSR READ PROGRAM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */ +{"Atmel", 0x0, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62 }, +{"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60 }, +{"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7 }, +}; + +static bool atl2_spi_read(struct atl2_hw *hw, u32 addr, u32 *buf) +{ + int i; + u32 value; + + ATL2_WRITE_REG(hw, REG_SPI_DATA, 0); + ATL2_WRITE_REG(hw, REG_SPI_ADDR, addr); + + value = SPI_FLASH_CTRL_WAIT_READY | + (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << + SPI_FLASH_CTRL_CS_SETUP_SHIFT | + (CUSTOM_SPI_CLK_HI & SPI_FLASH_CTRL_CLK_HI_MASK) << + SPI_FLASH_CTRL_CLK_HI_SHIFT | + (CUSTOM_SPI_CLK_LO & SPI_FLASH_CTRL_CLK_LO_MASK) << + SPI_FLASH_CTRL_CLK_LO_SHIFT | + (CUSTOM_SPI_CS_HOLD & SPI_FLASH_CTRL_CS_HOLD_MASK) << + SPI_FLASH_CTRL_CS_HOLD_SHIFT | + (CUSTOM_SPI_CS_HI & SPI_FLASH_CTRL_CS_HI_MASK) << + SPI_FLASH_CTRL_CS_HI_SHIFT | + (0x1 & SPI_FLASH_CTRL_INS_MASK) << SPI_FLASH_CTRL_INS_SHIFT; + + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + + value |= SPI_FLASH_CTRL_START; + + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + + for (i = 0; i < 10; i++) { + msleep(1); + value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + if (!(value & SPI_FLASH_CTRL_START)) + break; + } + + if (value & SPI_FLASH_CTRL_START) + return false; + + *buf = ATL2_READ_REG(hw, REG_SPI_DATA); + + return true; +} + +/* + * get_permanent_address + * return 0 if get valid mac address, + */ +static int get_permanent_address(struct atl2_hw *hw) +{ + u32 Addr[2]; + u32 i, Control; + u16 Register; + u8 EthAddr[NODE_ADDRESS_SIZE]; + bool KeyValid; + + if (is_valid_ether_addr(hw->perm_mac_addr)) + return 0; + + Addr[0] = 0; + Addr[1] = 0; + + if (!atl2_check_eeprom_exist(hw)) { /* eeprom exists */ + Register = 0; + KeyValid = false; + + /* Read out all EEPROM content */ + i = 0; + while (1) { + if (atl2_read_eeprom(hw, i + 0x100, &Control)) { + if (KeyValid) { + if (Register == REG_MAC_STA_ADDR) + Addr[0] = Control; + else if (Register == + (REG_MAC_STA_ADDR + 4)) + Addr[1] = Control; + KeyValid = false; + } else if ((Control & 0xff) == 0x5A) { + KeyValid = true; + Register = (u16) (Control >> 16); + } else { + /* assume data end while encount an invalid KEYWORD */ + break; + } + } else { + break; /* read error */ + } + i += 4; + } + + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); + + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + return 1; + } + + /* see if SPI flash exists? */ + Addr[0] = 0; + Addr[1] = 0; + Register = 0; + KeyValid = false; + i = 0; + while (1) { + if (atl2_spi_read(hw, i + 0x1f000, &Control)) { + if (KeyValid) { + if (Register == REG_MAC_STA_ADDR) + Addr[0] = Control; + else if (Register == (REG_MAC_STA_ADDR + 4)) + Addr[1] = Control; + KeyValid = false; + } else if ((Control & 0xff) == 0x5A) { + KeyValid = true; + Register = (u16) (Control >> 16); + } else { + break; /* data end */ + } + } else { + break; /* read error */ + } + i += 4; + } + + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *)&Addr[1]); + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + /* maybe MAC-address is from BIOS */ + Addr[0] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); + Addr[1] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR + 4); + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); + + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + + return 1; +} + +/* + * Reads the adapter's MAC address from the EEPROM + * + * hw - Struct containing variables accessed by shared code + */ +static s32 atl2_read_mac_addr(struct atl2_hw *hw) +{ + u16 i; + + if (get_permanent_address(hw)) { + /* for test */ + /* FIXME: shouldn't we use random_ether_addr() here? */ + hw->perm_mac_addr[0] = 0x00; + hw->perm_mac_addr[1] = 0x13; + hw->perm_mac_addr[2] = 0x74; + hw->perm_mac_addr[3] = 0x00; + hw->perm_mac_addr[4] = 0x5c; + hw->perm_mac_addr[5] = 0x38; + } + + for (i = 0; i < NODE_ADDRESS_SIZE; i++) + hw->mac_addr[i] = hw->perm_mac_addr[i]; + + return 0; +} + +/* + * Hashes an address to determine its location in the multicast table + * + * hw - Struct containing variables accessed by shared code + * mc_addr - the multicast address to hash + * + * atl2_hash_mc_addr + * purpose + * set hash value for a multicast address + * hash calcu processing : + * 1. calcu 32bit CRC for multicast address + * 2. reverse crc with MSB to LSB + */ +static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr) +{ + u32 crc32, value; + int i; + + value = 0; + crc32 = ether_crc_le(6, mc_addr); + + for (i = 0; i < 32; i++) + value |= (((crc32 >> i) & 1) << (31 - i)); + + return value; +} + +/* + * Sets the bit in the multicast table corresponding to the hash value. + * + * hw - Struct containing variables accessed by shared code + * hash_value - Multicast address hash value + */ +static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value) +{ + u32 hash_bit, hash_reg; + u32 mta; + + /* The HASH Table is a register array of 2 32-bit registers. + * It is treated like an array of 64 bits. We want to set + * bit BitArray[hash_value]. So we figure out what register + * the bit is in, read it, OR in the new bit, then write + * back the new value. The register is determined by the + * upper 7 bits of the hash value and the bit within that + * register are determined by the lower 5 bits of the value. + */ + hash_reg = (hash_value >> 31) & 0x1; + hash_bit = (hash_value >> 26) & 0x1F; + + mta = ATL2_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); + + mta |= (1 << hash_bit); + + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); +} + +/* + * atl2_init_pcie - init PCIE module + */ +static void atl2_init_pcie(struct atl2_hw *hw) +{ + u32 value; + value = LTSSM_TEST_MODE_DEF; + ATL2_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); + + value = PCIE_DLL_TX_CTRL1_DEF; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, value); +} + +static void atl2_init_flash_opcode(struct atl2_hw *hw) +{ + if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) + hw->flash_vendor = 0; /* ATMEL */ + + /* Init OP table */ + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_PROGRAM, + flash_table[hw->flash_vendor].cmdPROGRAM); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_SC_ERASE, + flash_table[hw->flash_vendor].cmdSECTOR_ERASE); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_CHIP_ERASE, + flash_table[hw->flash_vendor].cmdCHIP_ERASE); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDID, + flash_table[hw->flash_vendor].cmdRDID); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WREN, + flash_table[hw->flash_vendor].cmdWREN); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDSR, + flash_table[hw->flash_vendor].cmdRDSR); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WRSR, + flash_table[hw->flash_vendor].cmdWRSR); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_READ, + flash_table[hw->flash_vendor].cmdREAD); +} + +/******************************************************************** +* Performs basic configuration of the adapter. +* +* hw - Struct containing variables accessed by shared code +* Assumes that the controller has previously been reset and is in a +* post-reset uninitialized state. Initializes multicast table, +* and Calls routines to setup link +* Leaves the transmit and receive units disabled and uninitialized. +********************************************************************/ +static s32 atl2_init_hw(struct atl2_hw *hw) +{ + u32 ret_val = 0; + + atl2_init_pcie(hw); + + /* Zero out the Multicast HASH table */ + /* clear the old settings from the multicast hash table */ + ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + atl2_init_flash_opcode(hw); + + ret_val = atl2_phy_init(hw); + + return ret_val; +} + +/* + * Detects the current speed and duplex settings of the hardware. + * + * hw - Struct containing variables accessed by shared code + * speed - Speed of the connection + * duplex - Duplex setting of the connection + */ +static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, + u16 *duplex) +{ + s32 ret_val; + u16 phy_data; + + /* Read PHY Specific Status Register (17) */ + ret_val = atl2_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); + if (ret_val) + return ret_val; + + if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) + return ATLX_ERR_PHY_RES; + + switch (phy_data & MII_ATLX_PSSR_SPEED) { + case MII_ATLX_PSSR_100MBS: + *speed = SPEED_100; + break; + case MII_ATLX_PSSR_10MBS: + *speed = SPEED_10; + break; + default: + return ATLX_ERR_PHY_SPEED; + break; + } + + if (phy_data & MII_ATLX_PSSR_DPLX) + *duplex = FULL_DUPLEX; + else + *duplex = HALF_DUPLEX; + + return 0; +} + +/* + * Reads the value from a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to read + */ +static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data) +{ + u32 val; + int i; + + val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | + MDIO_START | + MDIO_SUP_PREAMBLE | + MDIO_RW | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); + + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + wmb(); + } + if (!(val & (MDIO_START | MDIO_BUSY))) { + *phy_data = (u16)val; + return 0; + } + + return ATLX_ERR_PHY; +} + +/* + * Writes a value to a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to write + * data - data to write to the PHY + */ +static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data) +{ + int i; + u32 val; + + val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | + (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | + MDIO_SUP_PREAMBLE | + MDIO_START | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); + + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + + wmb(); + } + + if (!(val & (MDIO_START | MDIO_BUSY))) + return 0; + + return ATLX_ERR_PHY; +} + +/* + * Configures PHY autoneg and flow control advertisement settings + * + * hw - Struct containing variables accessed by shared code + */ +static s32 atl2_phy_setup_autoneg_adv(struct atl2_hw *hw) +{ + s32 ret_val; + s16 mii_autoneg_adv_reg; + + /* Read the MII Auto-Neg Advertisement Register (Address 4). */ + mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; + + /* Need to parse autoneg_advertised and set up + * the appropriate PHY registers. First we will parse for + * autoneg_advertised software override. Since we can advertise + * a plethora of combinations, we need to check each bit + * individually. + */ + + /* First we clear all the 10/100 mb speed bits in the Auto-Neg + * Advertisement Register (Address 4) and the 1000 mb speed bits in + * the 1000Base-T Control Register (Address 9). */ + mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; + + /* Need to parse MediaType and setup the + * appropriate PHY registers. */ + switch (hw->MediaType) { + case MEDIA_TYPE_AUTO_SENSOR: + mii_autoneg_adv_reg |= + (MII_AR_10T_HD_CAPS | + MII_AR_10T_FD_CAPS | + MII_AR_100TX_HD_CAPS| + MII_AR_100TX_FD_CAPS); + hw->autoneg_advertised = + ADVERTISE_10_HALF | + ADVERTISE_10_FULL | + ADVERTISE_100_HALF| + ADVERTISE_100_FULL; + break; + case MEDIA_TYPE_100M_FULL: + mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; + hw->autoneg_advertised = ADVERTISE_100_FULL; + break; + case MEDIA_TYPE_100M_HALF: + mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; + hw->autoneg_advertised = ADVERTISE_100_HALF; + break; + case MEDIA_TYPE_10M_FULL: + mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; + hw->autoneg_advertised = ADVERTISE_10_FULL; + break; + default: + mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; + hw->autoneg_advertised = ADVERTISE_10_HALF; + break; + } + + /* flow control fixed to enable all */ + mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); + + hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; + + ret_val = atl2_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); + + if (ret_val) + return ret_val; + + return 0; +} + +/* + * Resets the PHY and make all config validate + * + * hw - Struct containing variables accessed by shared code + * + * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) + */ +static s32 atl2_phy_commit(struct atl2_hw *hw) +{ + s32 ret_val; + u16 phy_data; + + phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG; + ret_val = atl2_write_phy_reg(hw, MII_BMCR, phy_data); + if (ret_val) { + u32 val; + int i; + /* pcie serdes link may be down ! */ + for (i = 0; i < 25; i++) { + msleep(1); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if (0 != (val & (MDIO_START | MDIO_BUSY))) { + printk(KERN_ERR "atl2: PCIe link down for at least 25ms !\n"); + return ret_val; + } + } + return 0; +} + +static s32 atl2_phy_init(struct atl2_hw *hw) +{ + s32 ret_val; + u16 phy_val; + + if (hw->phy_configured) + return 0; + + /* Enable PHY */ + ATL2_WRITE_REGW(hw, REG_PHY_ENABLE, 1); + ATL2_WRITE_FLUSH(hw); + msleep(1); + + /* check if the PHY is in powersaving mode */ + atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); + atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); + + /* 024E / 124E 0r 0274 / 1274 ? */ + if (phy_val & 0x1000) { + phy_val &= ~0x1000; + atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val); + } + + msleep(1); + + /*Enable PHY LinkChange Interrupt */ + ret_val = atl2_write_phy_reg(hw, 18, 0xC00); + if (ret_val) + return ret_val; + + /* setup AutoNeg parameters */ + ret_val = atl2_phy_setup_autoneg_adv(hw); + if (ret_val) + return ret_val; + + /* SW.Reset & En-Auto-Neg to restart Auto-Neg */ + ret_val = atl2_phy_commit(hw); + if (ret_val) + return ret_val; + + hw->phy_configured = true; + + return ret_val; +} + +static void atl2_set_mac_addr(struct atl2_hw *hw) +{ + u32 value; + /* 00-0B-6A-F6-00-DC + * 0: 6AF600DC 1: 000B + * low dword */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])); + ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); + /* hight dword */ + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])); + ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); +} + +/* + * check_eeprom_exist + * return 0 if eeprom exist + */ +static int atl2_check_eeprom_exist(struct atl2_hw *hw) +{ + u32 value; + + value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + if (value & SPI_FLASH_CTRL_EN_VPD) { + value &= ~SPI_FLASH_CTRL_EN_VPD; + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + } + value = ATL2_READ_REGW(hw, REG_PCIE_CAP_LIST); + return ((value & 0xFF00) == 0x6C00) ? 0 : 1; +} + +/* FIXME: This doesn't look right. -- CHS */ +static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value) +{ + return true; +} + +static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue) +{ + int i; + u32 Control; + + if (Offset & 0x3) + return false; /* address do not align */ + + ATL2_WRITE_REG(hw, REG_VPD_DATA, 0); + Control = (Offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; + ATL2_WRITE_REG(hw, REG_VPD_CAP, Control); + + for (i = 0; i < 10; i++) { + msleep(2); + Control = ATL2_READ_REG(hw, REG_VPD_CAP); + if (Control & VPD_CAP_VPD_FLAG) + break; + } + + if (Control & VPD_CAP_VPD_FLAG) { + *pValue = ATL2_READ_REG(hw, REG_VPD_DATA); + return true; + } + return false; /* timeout */ +} + +static void atl2_force_ps(struct atl2_hw *hw) +{ + u16 phy_val; + + atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); + atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); + atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val | 0x1000); + + atl2_write_phy_reg(hw, MII_DBG_ADDR, 2); + atl2_write_phy_reg(hw, MII_DBG_DATA, 0x3000); + atl2_write_phy_reg(hw, MII_DBG_ADDR, 3); + atl2_write_phy_reg(hw, MII_DBG_DATA, 0); +} + +/* This is the only thing that needs to be changed to adjust the + * maximum number of ports that the driver can manage. + */ +#define ATL2_MAX_NIC 4 + +#define OPTION_UNSET -1 +#define OPTION_DISABLED 0 +#define OPTION_ENABLED 1 + +/* All parameters are treated the same, as an integer array of values. + * This macro just reduces the need to repeat the same declaration code + * over and over (plus this helps to avoid typo bugs). + */ +#define ATL2_PARAM_INIT {[0 ... ATL2_MAX_NIC] = OPTION_UNSET} +#ifndef module_param_array +/* Module Parameters are always initialized to -1, so that the driver + * can tell the difference between no user specified value or the + * user asking for the default value. + * The true default values are loaded in when atl2_check_options is called. + * + * This is a GCC extension to ANSI C. + * See the item "Labeled Elements in Initializers" in the section + * "Extensions to the C Language Family" of the GCC documentation. + */ + +#define ATL2_PARAM(X, desc) \ + static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \ + MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \ + MODULE_PARM_DESC(X, desc); +#else +#define ATL2_PARAM(X, desc) \ + static int __devinitdata X[ATL2_MAX_NIC+1] = ATL2_PARAM_INIT; \ + static int num_##X = 0; \ + module_param_array_named(X, X, int, &num_##X, 0); \ + MODULE_PARM_DESC(X, desc); +#endif + +/* + * Transmit Memory Size + * Valid Range: 64-2048 + * Default Value: 128 + */ +#define ATL2_MIN_TX_MEMSIZE 4 /* 4KB */ +#define ATL2_MAX_TX_MEMSIZE 64 /* 64KB */ +#define ATL2_DEFAULT_TX_MEMSIZE 8 /* 8KB */ +ATL2_PARAM(TxMemSize, "Bytes of Transmit Memory"); + +/* + * Receive Memory Block Count + * Valid Range: 16-512 + * Default Value: 128 + */ +#define ATL2_MIN_RXD_COUNT 16 +#define ATL2_MAX_RXD_COUNT 512 +#define ATL2_DEFAULT_RXD_COUNT 64 +ATL2_PARAM(RxMemBlock, "Number of receive memory block"); + +/* + * User Specified MediaType Override + * + * Valid Range: 0-5 + * - 0 - auto-negotiate at all supported speeds + * - 1 - only link at 1000Mbps Full Duplex + * - 2 - only link at 100Mbps Full Duplex + * - 3 - only link at 100Mbps Half Duplex + * - 4 - only link at 10Mbps Full Duplex + * - 5 - only link at 10Mbps Half Duplex + * Default Value: 0 + */ +ATL2_PARAM(MediaType, "MediaType Select"); + +/* + * Interrupt Moderate Timer in units of 2048 ns (~2 us) + * Valid Range: 10-65535 + * Default Value: 45000(90ms) + */ +#define INT_MOD_DEFAULT_CNT 100 /* 200us */ +#define INT_MOD_MAX_CNT 65000 +#define INT_MOD_MIN_CNT 50 +ATL2_PARAM(IntModTimer, "Interrupt Moderator Timer"); + +/* + * FlashVendor + * Valid Range: 0-2 + * 0 - Atmel + * 1 - SST + * 2 - ST + */ +ATL2_PARAM(FlashVendor, "SPI Flash Vendor"); + +#define AUTONEG_ADV_DEFAULT 0x2F +#define AUTONEG_ADV_MASK 0x2F +#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL + +#define FLASH_VENDOR_DEFAULT 0 +#define FLASH_VENDOR_MIN 0 +#define FLASH_VENDOR_MAX 2 + +struct atl2_option { + enum { enable_option, range_option, list_option } type; + char *name; + char *err; + int def; + union { + struct { /* range_option info */ + int min; + int max; + } r; + struct { /* list_option info */ + int nr; + struct atl2_opt_list { int i; char *str; } *p; + } l; + } arg; +}; + +static int __devinit atl2_validate_option(int *value, struct atl2_option *opt) +{ + int i; + struct atl2_opt_list *ent; + + if (*value == OPTION_UNSET) { + *value = opt->def; + return 0; + } + + switch (opt->type) { + case enable_option: + switch (*value) { + case OPTION_ENABLED: + printk(KERN_INFO "%s Enabled\n", opt->name); + return 0; + break; + case OPTION_DISABLED: + printk(KERN_INFO "%s Disabled\n", opt->name); + return 0; + break; + } + break; + case range_option: + if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { + printk(KERN_INFO "%s set to %i\n", opt->name, *value); + return 0; + } + break; + case list_option: + for (i = 0; i < opt->arg.l.nr; i++) { + ent = &opt->arg.l.p[i]; + if (*value == ent->i) { + if (ent->str[0] != '\0') + printk(KERN_INFO "%s\n", ent->str); + return 0; + } + } + break; + default: + BUG(); + } + + printk(KERN_INFO "Invalid %s specified (%i) %s\n", + opt->name, *value, opt->err); + *value = opt->def; + return -1; +} + +/* + * atl2_check_options - Range Checking for Command Line Parameters + * @adapter: board private structure + * + * This routine checks all command line parameters for valid user + * input. If an invalid value is given, or if no user specified + * value exists, a default value is used. The final value is stored + * in a variable in the adapter structure. + */ +static void __devinit atl2_check_options(struct atl2_adapter *adapter) +{ + int val; + struct atl2_option opt; + int bd = adapter->bd_number; + if (bd >= ATL2_MAX_NIC) { + printk(KERN_NOTICE "Warning: no configuration for board #%i\n", + bd); + printk(KERN_NOTICE "Using defaults for all values\n"); +#ifndef module_param_array + bd = ATL2_MAX_NIC; +#endif + } + + /* Bytes of Transmit Memory */ + opt.type = range_option; + opt.name = "Bytes of Transmit Memory"; + opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_TX_MEMSIZE); + opt.def = ATL2_DEFAULT_TX_MEMSIZE; + opt.arg.r.min = ATL2_MIN_TX_MEMSIZE; + opt.arg.r.max = ATL2_MAX_TX_MEMSIZE; +#ifdef module_param_array + if (num_TxMemSize > bd) { +#endif + val = TxMemSize[bd]; + atl2_validate_option(&val, &opt); + adapter->txd_ring_size = ((u32) val) * 1024; +#ifdef module_param_array + } else + adapter->txd_ring_size = ((u32)opt.def) * 1024; +#endif + /* txs ring size: */ + adapter->txs_ring_size = adapter->txd_ring_size / 128; + if (adapter->txs_ring_size > 160) + adapter->txs_ring_size = 160; + + /* Receive Memory Block Count */ + opt.type = range_option; + opt.name = "Number of receive memory block"; + opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_RXD_COUNT); + opt.def = ATL2_DEFAULT_RXD_COUNT; + opt.arg.r.min = ATL2_MIN_RXD_COUNT; + opt.arg.r.max = ATL2_MAX_RXD_COUNT; +#ifdef module_param_array + if (num_RxMemBlock > bd) { +#endif + val = RxMemBlock[bd]; + atl2_validate_option(&val, &opt); + adapter->rxd_ring_size = (u32)val; + /* FIXME */ + /* ((u16)val)&~1; */ /* even number */ +#ifdef module_param_array + } else + adapter->rxd_ring_size = (u32)opt.def; +#endif + /* init RXD Flow control value */ + adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7; + adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) > + (adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) : + (adapter->rxd_ring_size / 12); + + /* Interrupt Moderate Timer */ + opt.type = range_option; + opt.name = "Interrupt Moderate Timer"; + opt.err = "using default of " __MODULE_STRING(INT_MOD_DEFAULT_CNT); + opt.def = INT_MOD_DEFAULT_CNT; + opt.arg.r.min = INT_MOD_MIN_CNT; + opt.arg.r.max = INT_MOD_MAX_CNT; +#ifdef module_param_array + if (num_IntModTimer > bd) { +#endif + val = IntModTimer[bd]; + atl2_validate_option(&val, &opt); + adapter->imt = (u16) val; +#ifdef module_param_array + } else + adapter->imt = (u16)(opt.def); +#endif + /* Flash Vendor */ + opt.type = range_option; + opt.name = "SPI Flash Vendor"; + opt.err = "using default of " __MODULE_STRING(FLASH_VENDOR_DEFAULT); + opt.def = FLASH_VENDOR_DEFAULT; + opt.arg.r.min = FLASH_VENDOR_MIN; + opt.arg.r.max = FLASH_VENDOR_MAX; +#ifdef module_param_array + if (num_FlashVendor > bd) { +#endif + val = FlashVendor[bd]; + atl2_validate_option(&val, &opt); + adapter->hw.flash_vendor = (u8) val; +#ifdef module_param_array + } else + adapter->hw.flash_vendor = (u8)(opt.def); +#endif + /* MediaType */ + opt.type = range_option; + opt.name = "Speed/Duplex Selection"; + opt.err = "using default of " __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR); + opt.def = MEDIA_TYPE_AUTO_SENSOR; + opt.arg.r.min = MEDIA_TYPE_AUTO_SENSOR; + opt.arg.r.max = MEDIA_TYPE_10M_HALF; +#ifdef module_param_array + if (num_MediaType > bd) { +#endif + val = MediaType[bd]; + atl2_validate_option(&val, &opt); + adapter->hw.MediaType = (u16) val; +#ifdef module_param_array + } else + adapter->hw.MediaType = (u16)(opt.def); +#endif +} diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h new file mode 100644 index 000000000000..6e1f28ff227b --- /dev/null +++ b/drivers/net/atlx/atl2.h @@ -0,0 +1,530 @@ +/* atl2.h -- atl2 driver definitions + * + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * Copyright(c) 2006 xiong huang + * Copyright(c) 2007 Chris Snook + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATL2_H_ +#define _ATL2_H_ + +#include +#include + +#ifndef _ATL2_HW_H_ +#define _ATL2_HW_H_ + +#ifndef _ATL2_OSDEP_H_ +#define _ATL2_OSDEP_H_ + +#include +#include +#include +#include + +#include "atlx.h" + +#ifdef ETHTOOL_OPS_COMPAT +extern int ethtool_ioctl(struct ifreq *ifr); +#endif + +#define PCI_COMMAND_REGISTER PCI_COMMAND +#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE +#define ETH_ADDR_LEN ETH_ALEN + +#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr)) + +#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \ + (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2)))) + +#define ATL2_READ_REG_ARRAY(a, reg, offset) \ + (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2))) + +#endif /* _ATL2_OSDEP_H_ */ + +struct atl2_adapter; +struct atl2_hw; + +/* function prototype */ +static s32 atl2_reset_hw(struct atl2_hw *hw); +static s32 atl2_read_mac_addr(struct atl2_hw *hw); +static s32 atl2_init_hw(struct atl2_hw *hw); +static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, + u16 *duplex); +static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr); +static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value); +static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data); +static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data); +static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); +static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); +static void atl2_set_mac_addr(struct atl2_hw *hw); +static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue); +static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value); +static s32 atl2_phy_init(struct atl2_hw *hw); +static int atl2_check_eeprom_exist(struct atl2_hw *hw); +static void atl2_force_ps(struct atl2_hw *hw); + +/* register definition */ + +/* Block IDLE Status Register */ +#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */ +#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */ +#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */ +#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */ + +/* MDIO Control Register */ +#define MDIO_WAIT_TIMES 10 + +/* MAC Control Register */ +#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */ +#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */ +#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28 +#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */ + +/* Internal SRAM Partition Register */ +#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM + * default: 2byte*1024 */ +#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM + * default: 2byte*1024 */ + +/* Descriptor Control register */ +#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit + * Data Mem low 32-bit(dword align) */ +#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by + * double word , max 256KB) */ +#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit + * Status Memory low 32-bit(dword word + * align) */ +#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047 + * bytes. */ +#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit + * Status Memory low 32-bit(unit 8 + * bytes) */ +#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer + * number (unit 1536bytes, max + * 1536*2047) */ + +/* DMAR Control Register */ +#define REG_DMAR 0x1580 +#define DMAR_EN 0x1 /* 1: Enable DMAR */ + +/* TX Cur-Through (early tx threshold) Control Register */ +#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet + * threshold(unit word) */ + +/* DMAW Control Register */ +#define REG_DMAW 0x15A0 +#define DMAW_EN 0x1 + +/* Flow control register */ +#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow + * threshold configuration register */ +#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow + * threshold configuration register */ + +/* Mailbox Register */ +#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */ +#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */ + +/* Interrupt Status Register */ +#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */ +#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set + * when SW_MAN_INT_EN is set in Table 51 + * Selene Master Control Register + * (Offset 0x1400). */ +#define ISR_RXF_OV 4 /* RXF overflow interrupt */ +#define ISR_TXF_UR 8 /* TXF underrun interrupt */ +#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full + * interrupt */ +#define ISR_RXS_OV 0x20 /* Internal receive status buffer full + * interrupt */ +#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */ +#define ISR_HOST_TXD_UR 0x80 +#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */ +#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should + * do Reset */ +#define ISR_DMAW_TO_RST 0x400 +#define ISR_PHY 0x800 /* phy interrupt */ +#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written + * to host */ +#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written + * to host. */ +#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one + * packet */ + +#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\ + ISR_TS_UPDATE | ISR_TX_EARLY) +#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\ + ISR_RS_UPDATE) + +#define IMR_NORMAL_MASK (\ + /*ISR_LINK_CHG |*/\ + ISR_MANUAL |\ + ISR_DMAR_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_PHY |\ + ISR_PHY_LINKDOWN |\ + ISR_TS_UPDATE |\ + ISR_RS_UPDATE) + +/* Receive MAC Statistics Registers */ +#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */ +#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX + * FIFO overflow */ +#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX + * Status Buffer Overflow */ +#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to + * address filtering */ + +/* MII definitions */ + +/* PHY Common Register */ +#define MII_SMARTSPEED 0x14 +#define MII_DBG_ADDR 0x1D +#define MII_DBG_DATA 0x1E + +/* PCI Command Register Bit Definitions */ +#define PCI_REG_COMMAND 0x04 +#define CMD_IO_SPACE 0x0001 +#define CMD_MEMORY_SPACE 0x0002 +#define CMD_BUS_MASTER 0x0004 + +#define MEDIA_TYPE_100M_FULL 1 +#define MEDIA_TYPE_100M_HALF 2 +#define MEDIA_TYPE_10M_FULL 3 +#define MEDIA_TYPE_10M_HALF 4 + +#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */ + +/* The size (in bytes) of a ethernet packet */ +#define ENET_HEADER_SIZE 14 +#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ +#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ +#define ETHERNET_FCS_SIZE 4 +#define MAX_JUMBO_FRAME_SIZE 0x2000 +#define VLAN_SIZE 4 + +struct tx_pkt_header { + unsigned pkt_size:11; + unsigned:4; /* reserved */ + unsigned ins_vlan:1; /* txmac should insert vlan */ + unsigned short vlan; /* vlan tag */ +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define TX_PKT_HEADER_SIZE_MASK 0x7FF +#define TX_PKT_HEADER_SIZE_SHIFT 0 +#define TX_PKT_HEADER_INS_VLAN_MASK 0x1 +#define TX_PKT_HEADER_INS_VLAN_SHIFT 15 +#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF +#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16 + +struct tx_pkt_status { + unsigned pkt_size:11; + unsigned:5; /* reserved */ + unsigned ok:1; /* current packet transmitted without error */ + unsigned bcast:1; /* broadcast packet */ + unsigned mcast:1; /* multicast packet */ + unsigned pause:1; /* transmiited a pause frame */ + unsigned ctrl:1; + unsigned defer:1; /* current packet is xmitted with defer */ + unsigned exc_defer:1; + unsigned single_col:1; + unsigned multi_col:1; + unsigned late_col:1; + unsigned abort_col:1; + unsigned underun:1; /* current packet is aborted + * due to txram underrun */ + unsigned:3; /* reserved */ + unsigned update:1; /* always 1'b1 in tx_status_buf */ +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define TX_PKT_STATUS_SIZE_MASK 0x7FF +#define TX_PKT_STATUS_SIZE_SHIFT 0 +#define TX_PKT_STATUS_OK_MASK 0x1 +#define TX_PKT_STATUS_OK_SHIFT 16 +#define TX_PKT_STATUS_BCAST_MASK 0x1 +#define TX_PKT_STATUS_BCAST_SHIFT 17 +#define TX_PKT_STATUS_MCAST_MASK 0x1 +#define TX_PKT_STATUS_MCAST_SHIFT 18 +#define TX_PKT_STATUS_PAUSE_MASK 0x1 +#define TX_PKT_STATUS_PAUSE_SHIFT 19 +#define TX_PKT_STATUS_CTRL_MASK 0x1 +#define TX_PKT_STATUS_CTRL_SHIFT 20 +#define TX_PKT_STATUS_DEFER_MASK 0x1 +#define TX_PKT_STATUS_DEFER_SHIFT 21 +#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1 +#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22 +#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1 +#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23 +#define TX_PKT_STATUS_MULTI_COL_MASK 0x1 +#define TX_PKT_STATUS_MULTI_COL_SHIFT 24 +#define TX_PKT_STATUS_LATE_COL_MASK 0x1 +#define TX_PKT_STATUS_LATE_COL_SHIFT 25 +#define TX_PKT_STATUS_ABORT_COL_MASK 0x1 +#define TX_PKT_STATUS_ABORT_COL_SHIFT 26 +#define TX_PKT_STATUS_UNDERRUN_MASK 0x1 +#define TX_PKT_STATUS_UNDERRUN_SHIFT 27 +#define TX_PKT_STATUS_UPDATE_MASK 0x1 +#define TX_PKT_STATUS_UPDATE_SHIFT 31 + +struct rx_pkt_status { + unsigned pkt_size:11; /* packet size, max 2047 bytes */ + unsigned:5; /* reserved */ + unsigned ok:1; /* current packet received ok without error */ + unsigned bcast:1; /* current packet is broadcast */ + unsigned mcast:1; /* current packet is multicast */ + unsigned pause:1; + unsigned ctrl:1; + unsigned crc:1; /* received a packet with crc error */ + unsigned code:1; /* received a packet with code error */ + unsigned runt:1; /* received a packet less than 64 bytes + * with good crc */ + unsigned frag:1; /* received a packet less than 64 bytes + * with bad crc */ + unsigned trunc:1; /* current frame truncated due to rxram full */ + unsigned align:1; /* this packet is alignment error */ + unsigned vlan:1; /* this packet has vlan */ + unsigned:3; /* reserved */ + unsigned update:1; + unsigned short vtag; /* vlan tag */ + unsigned:16; +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define RX_PKT_STATUS_SIZE_MASK 0x7FF +#define RX_PKT_STATUS_SIZE_SHIFT 0 +#define RX_PKT_STATUS_OK_MASK 0x1 +#define RX_PKT_STATUS_OK_SHIFT 16 +#define RX_PKT_STATUS_BCAST_MASK 0x1 +#define RX_PKT_STATUS_BCAST_SHIFT 17 +#define RX_PKT_STATUS_MCAST_MASK 0x1 +#define RX_PKT_STATUS_MCAST_SHIFT 18 +#define RX_PKT_STATUS_PAUSE_MASK 0x1 +#define RX_PKT_STATUS_PAUSE_SHIFT 19 +#define RX_PKT_STATUS_CTRL_MASK 0x1 +#define RX_PKT_STATUS_CTRL_SHIFT 20 +#define RX_PKT_STATUS_CRC_MASK 0x1 +#define RX_PKT_STATUS_CRC_SHIFT 21 +#define RX_PKT_STATUS_CODE_MASK 0x1 +#define RX_PKT_STATUS_CODE_SHIFT 22 +#define RX_PKT_STATUS_RUNT_MASK 0x1 +#define RX_PKT_STATUS_RUNT_SHIFT 23 +#define RX_PKT_STATUS_FRAG_MASK 0x1 +#define RX_PKT_STATUS_FRAG_SHIFT 24 +#define RX_PKT_STATUS_TRUNK_MASK 0x1 +#define RX_PKT_STATUS_TRUNK_SHIFT 25 +#define RX_PKT_STATUS_ALIGN_MASK 0x1 +#define RX_PKT_STATUS_ALIGN_SHIFT 26 +#define RX_PKT_STATUS_VLAN_MASK 0x1 +#define RX_PKT_STATUS_VLAN_SHIFT 27 +#define RX_PKT_STATUS_UPDATE_MASK 0x1 +#define RX_PKT_STATUS_UPDATE_SHIFT 31 +#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF +#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32 + +struct rx_desc { + struct rx_pkt_status status; + unsigned char packet[1536-sizeof(struct rx_pkt_status)]; +}; + +enum atl2_speed_duplex { + atl2_10_half = 0, + atl2_10_full = 1, + atl2_100_half = 2, + atl2_100_full = 3 +}; + +struct atl2_spi_flash_dev { + const char *manu_name; /* manufacturer id */ + /* op-code */ + u8 cmdWRSR; + u8 cmdREAD; + u8 cmdPROGRAM; + u8 cmdWREN; + u8 cmdWRDI; + u8 cmdRDSR; + u8 cmdRDID; + u8 cmdSECTOR_ERASE; + u8 cmdCHIP_ERASE; +}; + +/* Structure containing variables used by the shared code (atl2_hw.c) */ +struct atl2_hw { + u8 __iomem *hw_addr; + void *back; + + u8 preamble_len; + u8 max_retry; /* Retransmission maximum, afterwards the + * packet will be discarded. */ + u8 jam_ipg; /* IPG to start JAM for collision based flow + * control in half-duplex mode. In unit of + * 8-bit time. */ + u8 ipgt; /* Desired back to back inter-packet gap. The + * default is 96-bit time. */ + u8 min_ifg; /* Minimum number of IFG to enforce in between + * RX frames. Frame gap below such IFP is + * dropped. */ + u8 ipgr1; /* 64bit Carrier-Sense window */ + u8 ipgr2; /* 96-bit IPG window */ + u8 retry_buf; /* When half-duplex mode, should hold some + * bytes for mac retry . (8*4bytes unit) */ + + u16 fc_rxd_hi; + u16 fc_rxd_lo; + u16 lcol; /* Collision Window */ + u16 max_frame_size; + + u16 MediaType; + u16 autoneg_advertised; + u16 pci_cmd_word; + + u16 mii_autoneg_adv_reg; + + u32 mem_rang; + u32 txcw; + u32 mc_filter_type; + u32 num_mc_addrs; + u32 collision_delta; + u32 tx_packet_delta; + u16 phy_spd_default; + + u16 device_id; + u16 vendor_id; + u16 subsystem_id; + u16 subsystem_vendor_id; + u8 revision_id; + + /* spi flash */ + u8 flash_vendor; + + u8 dma_fairness; + u8 mac_addr[NODE_ADDRESS_SIZE]; + u8 perm_mac_addr[NODE_ADDRESS_SIZE]; + + /* FIXME */ + /* bool phy_preamble_sup; */ + bool phy_configured; +}; + +#endif /* _ATL2_HW_H_ */ + +struct atl2_ring_header { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical adress of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; +}; + +/* board specific private data structure */ +struct atl2_adapter { + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; +#ifdef NETIF_F_HW_VLAN_TX + struct vlan_group *vlgrp; +#endif + u32 wol; + u16 link_speed; + u16 link_duplex; + + spinlock_t stats_lock; + spinlock_t tx_lock; + + struct work_struct reset_task; + struct work_struct link_chg_task; + struct timer_list watchdog_timer; + struct timer_list phy_config_timer; + + unsigned long cfg_phy; + bool mac_disabled; + + /* All Descriptor memory */ + dma_addr_t ring_dma; + void *ring_vir_addr; + int ring_size; + + struct tx_pkt_header *txd_ring; + dma_addr_t txd_dma; + + struct tx_pkt_status *txs_ring; + dma_addr_t txs_dma; + + struct rx_desc *rxd_ring; + dma_addr_t rxd_dma; + + u32 txd_ring_size; /* bytes per unit */ + u32 txs_ring_size; /* dwords per unit */ + u32 rxd_ring_size; /* 1536 bytes per unit */ + + /* read /write ptr: */ + /* host */ + u32 txd_write_ptr; + u32 txs_next_clear; + u32 rxd_read_ptr; + + /* nic */ + atomic_t txd_read_ptr; + atomic_t txs_write_ptr; + u32 rxd_write_ptr; + + /* Interrupt Moderator timer ( 2us resolution) */ + u16 imt; + /* Interrupt Clear timer (2us resolution) */ + u16 ict; + + unsigned long flags; + /* structs defined in atl2_hw.h */ + u32 bd_number; /* board number */ + bool pci_using_64; + bool have_msi; + struct atl2_hw hw; + + u32 usr_cmd; + /* FIXME */ + /* u32 regs_buff[ATL2_REGS_LEN]; */ + u32 pci_state[16]; + + u32 *config_space; +}; + +enum atl2_state_t { + __ATL2_TESTING, + __ATL2_RESETTING, + __ATL2_DOWN +}; + +#endif /* _ATL2_H_ */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index f1624b396754..90a132ab84a6 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2213,6 +2213,7 @@ #define PCI_VENDOR_ID_ATTANSIC 0x1969 #define PCI_DEVICE_ID_ATTANSIC_L1 0x1048 +#define PCI_DEVICE_ID_ATTANSIC_L2 0x2048 #define PCI_VENDOR_ID_JMICRON 0x197B #define PCI_DEVICE_ID_JMICRON_JMB360 0x2360 -- GitLab From 01f2e4ead2c51226ed1283ef6a8388ca6f4cff8f Mon Sep 17 00:00:00 2001 From: Scott Feldman Date: Mon, 15 Sep 2008 09:17:11 -0700 Subject: [PATCH 1878/6244] enic: add Cisco 10G Ethernet NIC driver Signed-off-by: Scott Feldman Signed-off-by: Jeff Garzik --- MAINTAINERS | 7 + drivers/net/Kconfig | 7 + drivers/net/Makefile | 1 + drivers/net/enic/Makefile | 5 + drivers/net/enic/cq_desc.h | 79 ++ drivers/net/enic/cq_enet_desc.h | 169 +++ drivers/net/enic/enic.h | 115 ++ drivers/net/enic/enic_main.c | 1949 ++++++++++++++++++++++++++++++ drivers/net/enic/enic_res.c | 370 ++++++ drivers/net/enic/enic_res.h | 151 +++ drivers/net/enic/rq_enet_desc.h | 60 + drivers/net/enic/vnic_cq.c | 89 ++ drivers/net/enic/vnic_cq.h | 113 ++ drivers/net/enic/vnic_dev.c | 674 +++++++++++ drivers/net/enic/vnic_dev.h | 106 ++ drivers/net/enic/vnic_devcmd.h | 282 +++++ drivers/net/enic/vnic_enet.h | 47 + drivers/net/enic/vnic_intr.c | 62 + drivers/net/enic/vnic_intr.h | 92 ++ drivers/net/enic/vnic_nic.h | 65 + drivers/net/enic/vnic_resource.h | 63 + drivers/net/enic/vnic_rq.c | 199 +++ drivers/net/enic/vnic_rq.h | 204 ++++ drivers/net/enic/vnic_rss.h | 32 + drivers/net/enic/vnic_stats.h | 70 ++ drivers/net/enic/vnic_wq.c | 184 +++ drivers/net/enic/vnic_wq.h | 154 +++ drivers/net/enic/wq_enet_desc.h | 98 ++ include/linux/pci_ids.h | 2 + 29 files changed, 5449 insertions(+) create mode 100644 drivers/net/enic/Makefile create mode 100644 drivers/net/enic/cq_desc.h create mode 100644 drivers/net/enic/cq_enet_desc.h create mode 100644 drivers/net/enic/enic.h create mode 100644 drivers/net/enic/enic_main.c create mode 100644 drivers/net/enic/enic_res.c create mode 100644 drivers/net/enic/enic_res.h create mode 100644 drivers/net/enic/rq_enet_desc.h create mode 100644 drivers/net/enic/vnic_cq.c create mode 100644 drivers/net/enic/vnic_cq.h create mode 100644 drivers/net/enic/vnic_dev.c create mode 100644 drivers/net/enic/vnic_dev.h create mode 100644 drivers/net/enic/vnic_devcmd.h create mode 100644 drivers/net/enic/vnic_enet.h create mode 100644 drivers/net/enic/vnic_intr.c create mode 100644 drivers/net/enic/vnic_intr.h create mode 100644 drivers/net/enic/vnic_nic.h create mode 100644 drivers/net/enic/vnic_resource.h create mode 100644 drivers/net/enic/vnic_rq.c create mode 100644 drivers/net/enic/vnic_rq.h create mode 100644 drivers/net/enic/vnic_rss.h create mode 100644 drivers/net/enic/vnic_stats.h create mode 100644 drivers/net/enic/vnic_wq.c create mode 100644 drivers/net/enic/vnic_wq.h create mode 100644 drivers/net/enic/wq_enet_desc.h diff --git a/MAINTAINERS b/MAINTAINERS index b3e92fbe336c..467f994b1fa0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1046,6 +1046,13 @@ L: cbe-oss-dev@ozlabs.org W: http://www.ibm.com/developerworks/power/cell/ S: Supported +CISCO 10G ETHERNET DRIVER +P: Scott Feldman +M: scofeldm@cisco.com +P: Joe Eykholt +M: jeykholt@cisco.com +S: Supported + CFAG12864B LCD DRIVER P: Miguel Ojeda Sandonis M: miguel.ojeda.sandonis@gmail.com diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 81a3e959c6c3..5c012cd8fe3d 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2388,6 +2388,13 @@ config EHEA To compile the driver as a module, choose M here. The module will be called ehea. +config ENIC + tristate "E, the Cisco 10G Ethernet NIC" + depends on PCI && INET + select INET_LRO + help + This enables the support for the Cisco 10G Ethernet card. + config IXGBE tristate "Intel(R) 10GbE PCI Express adapters support" depends on PCI && INET diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 9221346a515e..d4ec6ba7f073 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_ATL2) += atlx/ obj-$(CONFIG_ATL1E) += atl1e/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o obj-$(CONFIG_TEHUTI) += tehuti.o +obj-$(CONFIG_ENIC) += enic/ gianfar_driver-objs := gianfar.o \ gianfar_ethtool.o \ diff --git a/drivers/net/enic/Makefile b/drivers/net/enic/Makefile new file mode 100644 index 000000000000..391c3bce5b79 --- /dev/null +++ b/drivers/net/enic/Makefile @@ -0,0 +1,5 @@ +obj-$(CONFIG_ENIC) := enic.o + +enic-y := enic_main.o vnic_cq.o vnic_intr.o vnic_wq.o \ + enic_res.o vnic_dev.o vnic_rq.o + diff --git a/drivers/net/enic/cq_desc.h b/drivers/net/enic/cq_desc.h new file mode 100644 index 000000000000..c036a8bfd043 --- /dev/null +++ b/drivers/net/enic/cq_desc.h @@ -0,0 +1,79 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _CQ_DESC_H_ +#define _CQ_DESC_H_ + +/* + * Completion queue descriptor types + */ +enum cq_desc_types { + CQ_DESC_TYPE_WQ_ENET = 0, + CQ_DESC_TYPE_DESC_COPY = 1, + CQ_DESC_TYPE_WQ_EXCH = 2, + CQ_DESC_TYPE_RQ_ENET = 3, + CQ_DESC_TYPE_RQ_FCP = 4, +}; + +/* Completion queue descriptor: 16B + * + * All completion queues have this basic layout. The + * type_specfic area is unique for each completion + * queue type. + */ +struct cq_desc { + __le16 completed_index; + __le16 q_number; + u8 type_specfic[11]; + u8 type_color; +}; + +#define CQ_DESC_TYPE_BITS 7 +#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) +#define CQ_DESC_COLOR_MASK 1 +#define CQ_DESC_Q_NUM_BITS 10 +#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) +#define CQ_DESC_COMP_NDX_BITS 12 +#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1) + +static inline void cq_desc_dec(const struct cq_desc *desc_arg, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + const struct cq_desc *desc = desc_arg; + const u8 type_color = desc->type_color; + + *color = (type_color >> CQ_DESC_TYPE_BITS) & CQ_DESC_COLOR_MASK; + + /* + * Make sure color bit is read from desc *before* other fields + * are read from desc. Hardware guarantees color bit is last + * bit (byte) written. Adding the rmb() prevents the compiler + * and/or CPU from reordering the reads which would potentially + * result in reading stale values. + */ + + rmb(); + + *type = type_color & CQ_DESC_TYPE_MASK; + *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK; + *completed_index = le16_to_cpu(desc->completed_index) & + CQ_DESC_COMP_NDX_MASK; +} + +#endif /* _CQ_DESC_H_ */ diff --git a/drivers/net/enic/cq_enet_desc.h b/drivers/net/enic/cq_enet_desc.h new file mode 100644 index 000000000000..03dce9ed612c --- /dev/null +++ b/drivers/net/enic/cq_enet_desc.h @@ -0,0 +1,169 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _CQ_ENET_DESC_H_ +#define _CQ_ENET_DESC_H_ + +#include "cq_desc.h" + +/* Ethernet completion queue descriptor: 16B */ +struct cq_enet_wq_desc { + __le16 completed_index; + __le16 q_number; + u8 reserved[11]; + u8 type_color; +}; + +static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); +} + +/* Completion queue descriptor: Ethernet receive queue, 16B */ +struct cq_enet_rq_desc { + __le16 completed_index_flags; + __le16 q_number_rss_type_flags; + __le32 rss_hash; + __le16 bytes_written_flags; + __le16 vlan; + __le16 checksum_fcoe; + u8 flags; + u8 type_color; +}; + +#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12) +#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13) +#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15) + +#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \ + ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1) +#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6 + +#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14) + +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14 +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \ + ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1) +#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15) + +#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 4 +#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8 + +#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1) +#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1) +#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3) +#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6) +#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7) + +static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index, + u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type, + u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error, + u8 *vlan_stripped, u16 *vlan, u16 *checksum, u8 *fcoe_sof, + u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof, + u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok, + u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok) +{ + u16 completed_index_flags = le16_to_cpu(desc->completed_index_flags); + u16 q_number_rss_type_flags = + le16_to_cpu(desc->q_number_rss_type_flags); + u16 bytes_written_flags = le16_to_cpu(desc->bytes_written_flags); + + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); + + *ingress_port = (completed_index_flags & + CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0; + *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ? + 1 : 0; + *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ? + 1 : 0; + *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ? + 1 : 0; + + *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) & + CQ_ENET_RQ_DESC_RSS_TYPE_MASK); + *csum_not_calc = (q_number_rss_type_flags & + CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0; + + *rss_hash = le32_to_cpu(desc->rss_hash); + + *bytes_written = bytes_written_flags & + CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK; + *packet_error = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0; + *vlan_stripped = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0; + + *vlan = le16_to_cpu(desc->vlan); + + if (*fcoe) { + *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) & + CQ_ENET_RQ_DESC_FCOE_SOF_MASK); + *fcoe_fc_crc_ok = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0; + *fcoe_enc_error = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0; + *fcoe_eof = (u8)((desc->checksum_fcoe >> + CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) & + CQ_ENET_RQ_DESC_FCOE_EOF_MASK); + *checksum = 0; + } else { + *fcoe_sof = 0; + *fcoe_fc_crc_ok = 0; + *fcoe_enc_error = 0; + *fcoe_eof = 0; + *checksum = le16_to_cpu(desc->checksum_fcoe); + } + + *tcp_udp_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0; + *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0; + *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0; + *ipv4_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0; + *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0; + *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0; + *ipv4_fragment = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0; + *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0; +} + +#endif /* _CQ_ENET_DESC_H_ */ diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h new file mode 100644 index 000000000000..fb83c926da58 --- /dev/null +++ b/drivers/net/enic/enic.h @@ -0,0 +1,115 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _ENIC_H_ +#define _ENIC_H_ + +#include + +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_rss.h" + +#define DRV_NAME "enic" +#define DRV_DESCRIPTION "Cisco 10G Ethernet Driver" +#define DRV_VERSION "0.0.1.18163.472" +#define DRV_COPYRIGHT "Copyright 2008 Cisco Systems, Inc" +#define PFX DRV_NAME ": " + +#define ENIC_LRO_MAX_DESC 8 +#define ENIC_LRO_MAX_AGGR 64 + +enum enic_cq_index { + ENIC_CQ_RQ, + ENIC_CQ_WQ, + ENIC_CQ_MAX, +}; + +enum enic_intx_intr_index { + ENIC_INTX_WQ_RQ, + ENIC_INTX_ERR, + ENIC_INTX_NOTIFY, + ENIC_INTX_MAX, +}; + +enum enic_msix_intr_index { + ENIC_MSIX_RQ, + ENIC_MSIX_WQ, + ENIC_MSIX_ERR, + ENIC_MSIX_NOTIFY, + ENIC_MSIX_MAX, +}; + +struct enic_msix_entry { + int requested; + char devname[IFNAMSIZ]; + irqreturn_t (*isr)(int, void *); + void *devid; +}; + +/* Per-instance private data structure */ +struct enic { + struct net_device *netdev; + struct pci_dev *pdev; + struct vnic_enet_config config; + struct vnic_dev_bar bar0; + struct vnic_dev *vdev; + struct net_device_stats net_stats; + struct timer_list notify_timer; + struct work_struct reset; + struct msix_entry msix_entry[ENIC_MSIX_MAX]; + struct enic_msix_entry msix[ENIC_MSIX_MAX]; + u32 msg_enable; + spinlock_t devcmd_lock; + u8 mac_addr[ETH_ALEN]; + u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; + unsigned int mc_count; + int csum_rx_enabled; + u32 port_mtu; + + /* work queue cache line section */ + ____cacheline_aligned struct vnic_wq wq[1]; + spinlock_t wq_lock[1]; + unsigned int wq_count; + struct vlan_group *vlan_group; + + /* receive queue cache line section */ + ____cacheline_aligned struct vnic_rq rq[1]; + unsigned int rq_count; + int (*rq_alloc_buf)(struct vnic_rq *rq); + struct napi_struct napi; + struct net_lro_mgr lro_mgr; + struct net_lro_desc lro_desc[ENIC_LRO_MAX_DESC]; + + /* interrupt resource cache line section */ + ____cacheline_aligned struct vnic_intr intr[ENIC_MSIX_MAX]; + unsigned int intr_count; + u32 __iomem *legacy_pba; /* memory-mapped */ + + /* completion queue cache line section */ + ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX]; + unsigned int cq_count; +}; + +#endif /* _ENIC_H_ */ diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c new file mode 100644 index 000000000000..4cf5ec76c993 --- /dev/null +++ b/drivers/net/enic/enic_main.c @@ -0,0 +1,1949 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cq_enet_desc.h" +#include "vnic_dev.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "enic_res.h" +#include "enic.h" + +#define ENIC_NOTIFY_TIMER_PERIOD (2 * HZ) +#define ENIC_JUMBO_FIRST_BUF_SIZE 256 + +/* Supported devices */ +static struct pci_device_id enic_id_table[] = { + { PCI_VDEVICE(CISCO, 0x0043) }, + { 0, } /* end of table */ +}; + +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_AUTHOR("Scott Feldman "); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); +MODULE_DEVICE_TABLE(pci, enic_id_table); + +struct enic_stat { + char name[ETH_GSTRING_LEN]; + unsigned int offset; +}; + +#define ENIC_TX_STAT(stat) \ + { .name = #stat, .offset = offsetof(struct vnic_tx_stats, stat) / 8 } +#define ENIC_RX_STAT(stat) \ + { .name = #stat, .offset = offsetof(struct vnic_rx_stats, stat) / 8 } + +static const struct enic_stat enic_tx_stats[] = { + ENIC_TX_STAT(tx_frames_ok), + ENIC_TX_STAT(tx_unicast_frames_ok), + ENIC_TX_STAT(tx_multicast_frames_ok), + ENIC_TX_STAT(tx_broadcast_frames_ok), + ENIC_TX_STAT(tx_bytes_ok), + ENIC_TX_STAT(tx_unicast_bytes_ok), + ENIC_TX_STAT(tx_multicast_bytes_ok), + ENIC_TX_STAT(tx_broadcast_bytes_ok), + ENIC_TX_STAT(tx_drops), + ENIC_TX_STAT(tx_errors), + ENIC_TX_STAT(tx_tso), +}; + +static const struct enic_stat enic_rx_stats[] = { + ENIC_RX_STAT(rx_frames_ok), + ENIC_RX_STAT(rx_frames_total), + ENIC_RX_STAT(rx_unicast_frames_ok), + ENIC_RX_STAT(rx_multicast_frames_ok), + ENIC_RX_STAT(rx_broadcast_frames_ok), + ENIC_RX_STAT(rx_bytes_ok), + ENIC_RX_STAT(rx_unicast_bytes_ok), + ENIC_RX_STAT(rx_multicast_bytes_ok), + ENIC_RX_STAT(rx_broadcast_bytes_ok), + ENIC_RX_STAT(rx_drop), + ENIC_RX_STAT(rx_no_bufs), + ENIC_RX_STAT(rx_errors), + ENIC_RX_STAT(rx_rss), + ENIC_RX_STAT(rx_crc_errors), + ENIC_RX_STAT(rx_frames_64), + ENIC_RX_STAT(rx_frames_127), + ENIC_RX_STAT(rx_frames_255), + ENIC_RX_STAT(rx_frames_511), + ENIC_RX_STAT(rx_frames_1023), + ENIC_RX_STAT(rx_frames_1518), + ENIC_RX_STAT(rx_frames_to_max), +}; + +static const unsigned int enic_n_tx_stats = ARRAY_SIZE(enic_tx_stats); +static const unsigned int enic_n_rx_stats = ARRAY_SIZE(enic_rx_stats); + +static int enic_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct enic *enic = netdev_priv(netdev); + + ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); + ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); + ecmd->port = PORT_FIBRE; + ecmd->transceiver = XCVR_EXTERNAL; + + if (netif_carrier_ok(netdev)) { + ecmd->speed = vnic_dev_port_speed(enic->vdev); + ecmd->duplex = DUPLEX_FULL; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_DISABLE; + + return 0; +} + +static void enic_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct enic *enic = netdev_priv(netdev); + struct vnic_devcmd_fw_info *fw_info; + + spin_lock(&enic->devcmd_lock); + vnic_dev_fw_info(enic->vdev, &fw_info); + spin_unlock(&enic->devcmd_lock); + + strncpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver)); + strncpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version)); + strncpy(drvinfo->fw_version, fw_info->fw_version, + sizeof(drvinfo->fw_version)); + strncpy(drvinfo->bus_info, pci_name(enic->pdev), + sizeof(drvinfo->bus_info)); +} + +static void enic_get_strings(struct net_device *netdev, u32 stringset, u8 *data) +{ + unsigned int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < enic_n_tx_stats; i++) { + memcpy(data, enic_tx_stats[i].name, ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + for (i = 0; i < enic_n_rx_stats; i++) { + memcpy(data, enic_rx_stats[i].name, ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + break; + } +} + +static int enic_get_stats_count(struct net_device *netdev) +{ + return enic_n_tx_stats + enic_n_rx_stats; +} + +static void enic_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *data) +{ + struct enic *enic = netdev_priv(netdev); + struct vnic_stats *vstats; + unsigned int i; + + spin_lock(&enic->devcmd_lock); + vnic_dev_stats_dump(enic->vdev, &vstats); + spin_unlock(&enic->devcmd_lock); + + for (i = 0; i < enic_n_tx_stats; i++) + *(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].offset]; + for (i = 0; i < enic_n_rx_stats; i++) + *(data++) = ((u64 *)&vstats->rx)[enic_rx_stats[i].offset]; +} + +static u32 enic_get_rx_csum(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + return enic->csum_rx_enabled; +} + +static int enic_set_rx_csum(struct net_device *netdev, u32 data) +{ + struct enic *enic = netdev_priv(netdev); + + enic->csum_rx_enabled = + (data && ENIC_SETTING(enic, RXCSUM)) ? 1 : 0; + + return 0; +} + +static int enic_set_tx_csum(struct net_device *netdev, u32 data) +{ + struct enic *enic = netdev_priv(netdev); + + if (data && ENIC_SETTING(enic, TXCSUM)) + netdev->features |= NETIF_F_HW_CSUM; + else + netdev->features &= ~NETIF_F_HW_CSUM; + + return 0; +} + +static int enic_set_tso(struct net_device *netdev, u32 data) +{ + struct enic *enic = netdev_priv(netdev); + + if (data && ENIC_SETTING(enic, TSO)) + netdev->features |= + NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN; + else + netdev->features &= + ~(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN); + + return 0; +} + +static u32 enic_get_msglevel(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + return enic->msg_enable; +} + +static void enic_set_msglevel(struct net_device *netdev, u32 value) +{ + struct enic *enic = netdev_priv(netdev); + enic->msg_enable = value; +} + +static struct ethtool_ops enic_ethtool_ops = { + .get_settings = enic_get_settings, + .get_drvinfo = enic_get_drvinfo, + .get_msglevel = enic_get_msglevel, + .set_msglevel = enic_set_msglevel, + .get_link = ethtool_op_get_link, + .get_strings = enic_get_strings, + .get_stats_count = enic_get_stats_count, + .get_ethtool_stats = enic_get_ethtool_stats, + .get_rx_csum = enic_get_rx_csum, + .set_rx_csum = enic_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = enic_set_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tso = ethtool_op_get_tso, + .set_tso = enic_set_tso, +}; + +static void enic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf) +{ + struct enic *enic = vnic_dev_priv(wq->vdev); + + if (buf->sop) + pci_unmap_single(enic->pdev, buf->dma_addr, + buf->len, PCI_DMA_TODEVICE); + else + pci_unmap_page(enic->pdev, buf->dma_addr, + buf->len, PCI_DMA_TODEVICE); + + if (buf->os_buf) + dev_kfree_skb_any(buf->os_buf); +} + +static void enic_wq_free_buf(struct vnic_wq *wq, + struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque) +{ + enic_free_wq_buf(wq, buf); +} + +static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque) +{ + struct enic *enic = vnic_dev_priv(vdev); + + spin_lock(&enic->wq_lock[q_number]); + + vnic_wq_service(&enic->wq[q_number], cq_desc, + completed_index, enic_wq_free_buf, + opaque); + + if (netif_queue_stopped(enic->netdev) && + vnic_wq_desc_avail(&enic->wq[q_number]) >= MAX_SKB_FRAGS + 1) + netif_wake_queue(enic->netdev); + + spin_unlock(&enic->wq_lock[q_number]); + + return 0; +} + +static void enic_log_q_error(struct enic *enic) +{ + unsigned int i; + u32 error_status; + + for (i = 0; i < enic->wq_count; i++) { + error_status = vnic_wq_error_status(&enic->wq[i]); + if (error_status) + printk(KERN_ERR PFX "%s: WQ[%d] error_status %d\n", + enic->netdev->name, i, error_status); + } + + for (i = 0; i < enic->rq_count; i++) { + error_status = vnic_rq_error_status(&enic->rq[i]); + if (error_status) + printk(KERN_ERR PFX "%s: RQ[%d] error_status %d\n", + enic->netdev->name, i, error_status); + } +} + +static void enic_link_check(struct enic *enic) +{ + int link_status = vnic_dev_link_status(enic->vdev); + int carrier_ok = netif_carrier_ok(enic->netdev); + + if (link_status && !carrier_ok) { + printk(KERN_INFO PFX "%s: Link UP\n", enic->netdev->name); + netif_carrier_on(enic->netdev); + } else if (!link_status && carrier_ok) { + printk(KERN_INFO PFX "%s: Link DOWN\n", enic->netdev->name); + netif_carrier_off(enic->netdev); + } +} + +static void enic_mtu_check(struct enic *enic) +{ + u32 mtu = vnic_dev_mtu(enic->vdev); + + if (mtu != enic->port_mtu) { + if (mtu < enic->netdev->mtu) + printk(KERN_WARNING PFX + "%s: interface MTU (%d) set higher " + "than switch port MTU (%d)\n", + enic->netdev->name, enic->netdev->mtu, mtu); + enic->port_mtu = mtu; + } +} + +static void enic_msglvl_check(struct enic *enic) +{ + u32 msg_enable = vnic_dev_msg_lvl(enic->vdev); + + if (msg_enable != enic->msg_enable) { + printk(KERN_INFO PFX "%s: msg lvl changed from 0x%x to 0x%x\n", + enic->netdev->name, enic->msg_enable, msg_enable); + enic->msg_enable = msg_enable; + } +} + +static void enic_notify_check(struct enic *enic) +{ + enic_msglvl_check(enic); + enic_mtu_check(enic); + enic_link_check(enic); +} + +#define ENIC_TEST_INTR(pba, i) (pba & (1 << i)) + +static irqreturn_t enic_isr_legacy(int irq, void *data) +{ + struct net_device *netdev = data; + struct enic *enic = netdev_priv(netdev); + u32 pba; + + vnic_intr_mask(&enic->intr[ENIC_INTX_WQ_RQ]); + + pba = vnic_intr_legacy_pba(enic->legacy_pba); + if (!pba) { + vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]); + return IRQ_NONE; /* not our interrupt */ + } + + if (ENIC_TEST_INTR(pba, ENIC_INTX_NOTIFY)) + enic_notify_check(enic); + + if (ENIC_TEST_INTR(pba, ENIC_INTX_ERR)) { + enic_log_q_error(enic); + /* schedule recovery from WQ/RQ error */ + schedule_work(&enic->reset); + return IRQ_HANDLED; + } + + if (ENIC_TEST_INTR(pba, ENIC_INTX_WQ_RQ)) { + if (netif_rx_schedule_prep(netdev, &enic->napi)) + __netif_rx_schedule(netdev, &enic->napi); + } else { + vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]); + } + + return IRQ_HANDLED; +} + +static irqreturn_t enic_isr_msi(int irq, void *data) +{ + struct enic *enic = data; + + /* With MSI, there is no sharing of interrupts, so this is + * our interrupt and there is no need to ack it. The device + * is not providing per-vector masking, so the OS will not + * write to PCI config space to mask/unmask the interrupt. + * We're using mask_on_assertion for MSI, so the device + * automatically masks the interrupt when the interrupt is + * generated. Later, when exiting polling, the interrupt + * will be unmasked (see enic_poll). + * + * Also, the device uses the same PCIe Traffic Class (TC) + * for Memory Write data and MSI, so there are no ordering + * issues; the MSI will always arrive at the Root Complex + * _after_ corresponding Memory Writes (i.e. descriptor + * writes). + */ + + netif_rx_schedule(enic->netdev, &enic->napi); + + return IRQ_HANDLED; +} + +static irqreturn_t enic_isr_msix_rq(int irq, void *data) +{ + struct enic *enic = data; + + /* schedule NAPI polling for RQ cleanup */ + netif_rx_schedule(enic->netdev, &enic->napi); + + return IRQ_HANDLED; +} + +static irqreturn_t enic_isr_msix_wq(int irq, void *data) +{ + struct enic *enic = data; + unsigned int wq_work_to_do = -1; /* no limit */ + unsigned int wq_work_done; + + wq_work_done = vnic_cq_service(&enic->cq[ENIC_CQ_WQ], + wq_work_to_do, enic_wq_service, NULL); + + vnic_intr_return_credits(&enic->intr[ENIC_MSIX_WQ], + wq_work_done, + 1 /* unmask intr */, + 1 /* reset intr timer */); + + return IRQ_HANDLED; +} + +static irqreturn_t enic_isr_msix_err(int irq, void *data) +{ + struct enic *enic = data; + + enic_log_q_error(enic); + + /* schedule recovery from WQ/RQ error */ + schedule_work(&enic->reset); + + return IRQ_HANDLED; +} + +static irqreturn_t enic_isr_msix_notify(int irq, void *data) +{ + struct enic *enic = data; + + enic_notify_check(enic); + vnic_intr_unmask(&enic->intr[ENIC_MSIX_NOTIFY]); + + return IRQ_HANDLED; +} + +static inline void enic_queue_wq_skb_cont(struct enic *enic, + struct vnic_wq *wq, struct sk_buff *skb, + unsigned int len_left) +{ + skb_frag_t *frag; + + /* Queue additional data fragments */ + for (frag = skb_shinfo(skb)->frags; len_left; frag++) { + len_left -= frag->size; + enic_queue_wq_desc_cont(wq, skb, + pci_map_page(enic->pdev, frag->page, + frag->page_offset, frag->size, + PCI_DMA_TODEVICE), + frag->size, + (len_left == 0)); /* EOP? */ + } +} + +static inline void enic_queue_wq_skb_vlan(struct enic *enic, + struct vnic_wq *wq, struct sk_buff *skb, + int vlan_tag_insert, unsigned int vlan_tag) +{ + unsigned int head_len = skb_headlen(skb); + unsigned int len_left = skb->len - head_len; + int eop = (len_left == 0); + + /* Queue the main skb fragment */ + enic_queue_wq_desc(wq, skb, + pci_map_single(enic->pdev, skb->data, + head_len, PCI_DMA_TODEVICE), + head_len, + vlan_tag_insert, vlan_tag, + eop); + + if (!eop) + enic_queue_wq_skb_cont(enic, wq, skb, len_left); +} + +static inline void enic_queue_wq_skb_csum_l4(struct enic *enic, + struct vnic_wq *wq, struct sk_buff *skb, + int vlan_tag_insert, unsigned int vlan_tag) +{ + unsigned int head_len = skb_headlen(skb); + unsigned int len_left = skb->len - head_len; + unsigned int hdr_len = skb_transport_offset(skb); + unsigned int csum_offset = hdr_len + skb->csum_offset; + int eop = (len_left == 0); + + /* Queue the main skb fragment */ + enic_queue_wq_desc_csum_l4(wq, skb, + pci_map_single(enic->pdev, skb->data, + head_len, PCI_DMA_TODEVICE), + head_len, + csum_offset, + hdr_len, + vlan_tag_insert, vlan_tag, + eop); + + if (!eop) + enic_queue_wq_skb_cont(enic, wq, skb, len_left); +} + +static inline void enic_queue_wq_skb_tso(struct enic *enic, + struct vnic_wq *wq, struct sk_buff *skb, unsigned int mss, + int vlan_tag_insert, unsigned int vlan_tag) +{ + unsigned int head_len = skb_headlen(skb); + unsigned int len_left = skb->len - head_len; + unsigned int hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + int eop = (len_left == 0); + + /* Preload TCP csum field with IP pseudo hdr calculated + * with IP length set to zero. HW will later add in length + * to each TCP segment resulting from the TSO. + */ + + if (skb->protocol == __constant_htons(ETH_P_IP)) { + ip_hdr(skb)->check = 0; + tcp_hdr(skb)->check = ~csum_tcpudp_magic(ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, 0, IPPROTO_TCP, 0); + } else if (skb->protocol == __constant_htons(ETH_P_IPV6)) { + tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr, 0, IPPROTO_TCP, 0); + } + + /* Queue the main skb fragment */ + enic_queue_wq_desc_tso(wq, skb, + pci_map_single(enic->pdev, skb->data, + head_len, PCI_DMA_TODEVICE), + head_len, + mss, hdr_len, + vlan_tag_insert, vlan_tag, + eop); + + if (!eop) + enic_queue_wq_skb_cont(enic, wq, skb, len_left); +} + +static inline void enic_queue_wq_skb(struct enic *enic, + struct vnic_wq *wq, struct sk_buff *skb) +{ + unsigned int mss = skb_shinfo(skb)->gso_size; + unsigned int vlan_tag = 0; + int vlan_tag_insert = 0; + + if (enic->vlan_group && vlan_tx_tag_present(skb)) { + /* VLAN tag from trunking driver */ + vlan_tag_insert = 1; + vlan_tag = vlan_tx_tag_get(skb); + } + + if (mss) + enic_queue_wq_skb_tso(enic, wq, skb, mss, + vlan_tag_insert, vlan_tag); + else if (skb->ip_summed == CHECKSUM_PARTIAL) + enic_queue_wq_skb_csum_l4(enic, wq, skb, + vlan_tag_insert, vlan_tag); + else + enic_queue_wq_skb_vlan(enic, wq, skb, + vlan_tag_insert, vlan_tag); +} + +/* netif_tx_lock held, process context with BHs disabled */ +static int enic_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + struct vnic_wq *wq = &enic->wq[0]; + unsigned long flags; + + if (skb->len <= 0) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + + /* Non-TSO sends must fit within ENIC_NON_TSO_MAX_DESC descs, + * which is very likely. In the off chance it's going to take + * more than * ENIC_NON_TSO_MAX_DESC, linearize the skb. + */ + + if (skb_shinfo(skb)->gso_size == 0 && + skb_shinfo(skb)->nr_frags + 1 > ENIC_NON_TSO_MAX_DESC && + skb_linearize(skb)) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + + spin_lock_irqsave(&enic->wq_lock[0], flags); + + if (vnic_wq_desc_avail(wq) < skb_shinfo(skb)->nr_frags + 1) { + netif_stop_queue(netdev); + /* This is a hard error, log it */ + printk(KERN_ERR PFX "%s: BUG! Tx ring full when " + "queue awake!\n", netdev->name); + spin_unlock_irqrestore(&enic->wq_lock[0], flags); + return NETDEV_TX_BUSY; + } + + enic_queue_wq_skb(enic, wq, skb); + + if (vnic_wq_desc_avail(wq) < MAX_SKB_FRAGS + 1) + netif_stop_queue(netdev); + + netdev->trans_start = jiffies; + + spin_unlock_irqrestore(&enic->wq_lock[0], flags); + + return NETDEV_TX_OK; +} + +/* dev_base_lock rwlock held, nominally process context */ +static struct net_device_stats *enic_get_stats(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + struct vnic_stats *stats; + + spin_lock(&enic->devcmd_lock); + vnic_dev_stats_dump(enic->vdev, &stats); + spin_unlock(&enic->devcmd_lock); + + enic->net_stats.tx_packets = stats->tx.tx_frames_ok; + enic->net_stats.tx_bytes = stats->tx.tx_bytes_ok; + enic->net_stats.tx_errors = stats->tx.tx_errors; + enic->net_stats.tx_dropped = stats->tx.tx_drops; + + enic->net_stats.rx_packets = stats->rx.rx_frames_ok; + enic->net_stats.rx_bytes = stats->rx.rx_bytes_ok; + enic->net_stats.rx_errors = stats->rx.rx_errors; + enic->net_stats.multicast = stats->rx.rx_multicast_frames_ok; + enic->net_stats.rx_crc_errors = stats->rx.rx_crc_errors; + enic->net_stats.rx_dropped = stats->rx.rx_no_bufs; + + return &enic->net_stats; +} + +static void enic_reset_mcaddrs(struct enic *enic) +{ + enic->mc_count = 0; +} + +static int enic_set_mac_addr(struct net_device *netdev, char *addr) +{ + if (!is_valid_ether_addr(addr)) + return -EADDRNOTAVAIL; + + memcpy(netdev->dev_addr, addr, netdev->addr_len); + + return 0; +} + +/* netif_tx_lock held, BHs disabled */ +static void enic_set_multicast_list(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + struct dev_mc_list *list = netdev->mc_list; + int directed = 1; + int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0; + int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0; + int promisc = (netdev->flags & IFF_PROMISC) ? 1 : 0; + int allmulti = (netdev->flags & IFF_ALLMULTI) || + (netdev->mc_count > ENIC_MULTICAST_PERFECT_FILTERS); + u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN]; + unsigned int mc_count = netdev->mc_count; + unsigned int i, j; + + if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS) + mc_count = ENIC_MULTICAST_PERFECT_FILTERS; + + spin_lock(&enic->devcmd_lock); + + vnic_dev_packet_filter(enic->vdev, directed, + multicast, broadcast, promisc, allmulti); + + /* Is there an easier way? Trying to minimize to + * calls to add/del multicast addrs. We keep the + * addrs from the last call in enic->mc_addr and + * look for changes to add/del. + */ + + for (i = 0; list && i < mc_count; i++) { + memcpy(mc_addr[i], list->dmi_addr, ETH_ALEN); + list = list->next; + } + + for (i = 0; i < enic->mc_count; i++) { + for (j = 0; j < mc_count; j++) + if (compare_ether_addr(enic->mc_addr[i], + mc_addr[j]) == 0) + break; + if (j == mc_count) + enic_del_multicast_addr(enic, enic->mc_addr[i]); + } + + for (i = 0; i < mc_count; i++) { + for (j = 0; j < enic->mc_count; j++) + if (compare_ether_addr(mc_addr[i], + enic->mc_addr[j]) == 0) + break; + if (j == enic->mc_count) + enic_add_multicast_addr(enic, mc_addr[i]); + } + + /* Save the list to compare against next time + */ + + for (i = 0; i < mc_count; i++) + memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN); + + enic->mc_count = mc_count; + + spin_unlock(&enic->devcmd_lock); +} + +/* rtnl lock is held */ +static void enic_vlan_rx_register(struct net_device *netdev, + struct vlan_group *vlan_group) +{ + struct enic *enic = netdev_priv(netdev); + enic->vlan_group = vlan_group; +} + +/* rtnl lock is held */ +static void enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +{ + struct enic *enic = netdev_priv(netdev); + + spin_lock(&enic->devcmd_lock); + enic_add_vlan(enic, vid); + spin_unlock(&enic->devcmd_lock); +} + +/* rtnl lock is held */ +static void enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +{ + struct enic *enic = netdev_priv(netdev); + + spin_lock(&enic->devcmd_lock); + enic_del_vlan(enic, vid); + spin_unlock(&enic->devcmd_lock); +} + +/* netif_tx_lock held, BHs disabled */ +static void enic_tx_timeout(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + schedule_work(&enic->reset); +} + +static void enic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + + if (!buf->os_buf) + return; + + pci_unmap_single(enic->pdev, buf->dma_addr, + buf->len, PCI_DMA_FROMDEVICE); + dev_kfree_skb_any(buf->os_buf); +} + +static inline struct sk_buff *enic_rq_alloc_skb(unsigned int size) +{ + struct sk_buff *skb; + + skb = dev_alloc_skb(size + NET_IP_ALIGN); + + if (skb) + skb_reserve(skb, NET_IP_ALIGN); + + return skb; +} + +static int enic_rq_alloc_buf(struct vnic_rq *rq) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + struct sk_buff *skb; + unsigned int len = enic->netdev->mtu + ETH_HLEN; + unsigned int os_buf_index = 0; + dma_addr_t dma_addr; + + skb = enic_rq_alloc_skb(len); + if (!skb) + return -ENOMEM; + + dma_addr = pci_map_single(enic->pdev, skb->data, + len, PCI_DMA_FROMDEVICE); + + enic_queue_rq_desc(rq, skb, os_buf_index, + dma_addr, len); + + return 0; +} + +static int enic_get_skb_header(struct sk_buff *skb, void **iphdr, + void **tcph, u64 *hdr_flags, void *priv) +{ + struct cq_enet_rq_desc *cq_desc = priv; + unsigned int ip_len; + struct iphdr *iph; + + u8 type, color, eop, sop, ingress_port, vlan_stripped; + u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof; + u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok; + u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc; + u8 packet_error; + u16 q_number, completed_index, bytes_written, vlan, checksum; + u32 rss_hash; + + cq_enet_rq_desc_dec(cq_desc, + &type, &color, &q_number, &completed_index, + &ingress_port, &fcoe, &eop, &sop, &rss_type, + &csum_not_calc, &rss_hash, &bytes_written, + &packet_error, &vlan_stripped, &vlan, &checksum, + &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error, + &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp, + &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment, + &fcs_ok); + + if (!(ipv4 && tcp && !ipv4_fragment)) + return -1; + + skb_reset_network_header(skb); + iph = ip_hdr(skb); + + ip_len = ip_hdrlen(skb); + skb_set_transport_header(skb, ip_len); + + /* check if ip header and tcp header are complete */ + if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb)) + return -1; + + *hdr_flags = LRO_IPV4 | LRO_TCP; + *tcph = tcp_hdr(skb); + *iphdr = iph; + + return 0; +} + +static void enic_rq_indicate_buf(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + struct sk_buff *skb; + + u8 type, color, eop, sop, ingress_port, vlan_stripped; + u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof; + u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok; + u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc; + u8 packet_error; + u16 q_number, completed_index, bytes_written, vlan, checksum; + u32 rss_hash; + + if (skipped) + return; + + skb = buf->os_buf; + prefetch(skb->data - NET_IP_ALIGN); + pci_unmap_single(enic->pdev, buf->dma_addr, + buf->len, PCI_DMA_FROMDEVICE); + + cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc, + &type, &color, &q_number, &completed_index, + &ingress_port, &fcoe, &eop, &sop, &rss_type, + &csum_not_calc, &rss_hash, &bytes_written, + &packet_error, &vlan_stripped, &vlan, &checksum, + &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error, + &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp, + &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment, + &fcs_ok); + + if (packet_error) { + + if (bytes_written > 0 && !fcs_ok) { + if (net_ratelimit()) + printk(KERN_ERR PFX + "%s: packet error: bad FCS\n", + enic->netdev->name); + } + + dev_kfree_skb_any(skb); + + return; + } + + if (eop && bytes_written > 0) { + + /* Good receive + */ + + skb_put(skb, bytes_written); + skb->protocol = eth_type_trans(skb, enic->netdev); + + if (enic->csum_rx_enabled && !csum_not_calc) { + skb->csum = htons(checksum); + skb->ip_summed = CHECKSUM_COMPLETE; + } + + skb->dev = enic->netdev; + enic->netdev->last_rx = jiffies; + + if (enic->vlan_group && vlan_stripped) { + + if (ENIC_SETTING(enic, LRO)) + lro_vlan_hwaccel_receive_skb(&enic->lro_mgr, + skb, enic->vlan_group, + vlan, cq_desc); + else + vlan_hwaccel_receive_skb(skb, + enic->vlan_group, vlan); + + } else { + + if (ENIC_SETTING(enic, LRO)) + lro_receive_skb(&enic->lro_mgr, skb, cq_desc); + else + netif_receive_skb(skb); + + } + + } else { + + /* Buffer overflow + */ + + dev_kfree_skb_any(skb); + } +} + +static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque) +{ + struct enic *enic = vnic_dev_priv(vdev); + + vnic_rq_service(&enic->rq[q_number], cq_desc, + completed_index, VNIC_RQ_RETURN_DESC, + enic_rq_indicate_buf, opaque); + + return 0; +} + +static void enic_rq_drop_buf(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + struct sk_buff *skb = buf->os_buf; + + if (skipped) + return; + + pci_unmap_single(enic->pdev, buf->dma_addr, + buf->len, PCI_DMA_FROMDEVICE); + + dev_kfree_skb_any(skb); +} + +static int enic_rq_service_drop(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque) +{ + struct enic *enic = vnic_dev_priv(vdev); + + vnic_rq_service(&enic->rq[q_number], cq_desc, + completed_index, VNIC_RQ_RETURN_DESC, + enic_rq_drop_buf, opaque); + + return 0; +} + +static int enic_poll(struct napi_struct *napi, int budget) +{ + struct enic *enic = container_of(napi, struct enic, napi); + struct net_device *netdev = enic->netdev; + unsigned int rq_work_to_do = budget; + unsigned int wq_work_to_do = -1; /* no limit */ + unsigned int work_done, rq_work_done, wq_work_done; + + /* Service RQ (first) and WQ + */ + + rq_work_done = vnic_cq_service(&enic->cq[ENIC_CQ_RQ], + rq_work_to_do, enic_rq_service, NULL); + + wq_work_done = vnic_cq_service(&enic->cq[ENIC_CQ_WQ], + wq_work_to_do, enic_wq_service, NULL); + + /* Accumulate intr event credits for this polling + * cycle. An intr event is the completion of a + * a WQ or RQ packet. + */ + + work_done = rq_work_done + wq_work_done; + + if (work_done > 0) + vnic_intr_return_credits(&enic->intr[ENIC_INTX_WQ_RQ], + work_done, + 0 /* don't unmask intr */, + 0 /* don't reset intr timer */); + + if (rq_work_done > 0) { + + /* Replenish RQ + */ + + vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + + } else { + + /* If no work done, flush all LROs and exit polling + */ + + if (ENIC_SETTING(enic, LRO)) + lro_flush_all(&enic->lro_mgr); + + netif_rx_complete(netdev, napi); + vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]); + } + + return rq_work_done; +} + +static int enic_poll_msix(struct napi_struct *napi, int budget) +{ + struct enic *enic = container_of(napi, struct enic, napi); + struct net_device *netdev = enic->netdev; + unsigned int work_to_do = budget; + unsigned int work_done; + + /* Service RQ + */ + + work_done = vnic_cq_service(&enic->cq[ENIC_CQ_RQ], + work_to_do, enic_rq_service, NULL); + + if (work_done > 0) { + + /* Replenish RQ + */ + + vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf); + + /* Accumulate intr event credits for this polling + * cycle. An intr event is the completion of a + * a WQ or RQ packet. + */ + + vnic_intr_return_credits(&enic->intr[ENIC_MSIX_RQ], + work_done, + 0 /* don't unmask intr */, + 0 /* don't reset intr timer */); + } else { + + /* If no work done, flush all LROs and exit polling + */ + + if (ENIC_SETTING(enic, LRO)) + lro_flush_all(&enic->lro_mgr); + + netif_rx_complete(netdev, napi); + vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]); + } + + return work_done; +} + +static void enic_notify_timer(unsigned long data) +{ + struct enic *enic = (struct enic *)data; + + enic_notify_check(enic); + + mod_timer(&enic->notify_timer, round_jiffies(ENIC_NOTIFY_TIMER_PERIOD)); +} + +static void enic_free_intr(struct enic *enic) +{ + struct net_device *netdev = enic->netdev; + unsigned int i; + + switch (vnic_dev_get_intr_mode(enic->vdev)) { + case VNIC_DEV_INTR_MODE_INTX: + case VNIC_DEV_INTR_MODE_MSI: + free_irq(enic->pdev->irq, netdev); + break; + case VNIC_DEV_INTR_MODE_MSIX: + for (i = 0; i < ARRAY_SIZE(enic->msix); i++) + if (enic->msix[i].requested) + free_irq(enic->msix_entry[i].vector, + enic->msix[i].devid); + break; + default: + break; + } +} + +static int enic_request_intr(struct enic *enic) +{ + struct net_device *netdev = enic->netdev; + unsigned int i; + int err = 0; + + switch (vnic_dev_get_intr_mode(enic->vdev)) { + + case VNIC_DEV_INTR_MODE_INTX: + + err = request_irq(enic->pdev->irq, enic_isr_legacy, + IRQF_SHARED, netdev->name, netdev); + break; + + case VNIC_DEV_INTR_MODE_MSI: + + err = request_irq(enic->pdev->irq, enic_isr_msi, + 0, netdev->name, enic); + break; + + case VNIC_DEV_INTR_MODE_MSIX: + + sprintf(enic->msix[ENIC_MSIX_RQ].devname, + "%.11s-rx", netdev->name); + enic->msix[ENIC_MSIX_RQ].isr = enic_isr_msix_rq; + enic->msix[ENIC_MSIX_RQ].devid = enic; + + sprintf(enic->msix[ENIC_MSIX_WQ].devname, + "%.11s-tx", netdev->name); + enic->msix[ENIC_MSIX_WQ].isr = enic_isr_msix_wq; + enic->msix[ENIC_MSIX_WQ].devid = enic; + + sprintf(enic->msix[ENIC_MSIX_ERR].devname, + "%.11s-err", netdev->name); + enic->msix[ENIC_MSIX_ERR].isr = enic_isr_msix_err; + enic->msix[ENIC_MSIX_ERR].devid = enic; + + sprintf(enic->msix[ENIC_MSIX_NOTIFY].devname, + "%.11s-notify", netdev->name); + enic->msix[ENIC_MSIX_NOTIFY].isr = enic_isr_msix_notify; + enic->msix[ENIC_MSIX_NOTIFY].devid = enic; + + for (i = 0; i < ARRAY_SIZE(enic->msix); i++) { + err = request_irq(enic->msix_entry[i].vector, + enic->msix[i].isr, 0, + enic->msix[i].devname, + enic->msix[i].devid); + if (err) { + enic_free_intr(enic); + break; + } + enic->msix[i].requested = 1; + } + + break; + + default: + break; + } + + return err; +} + +static int enic_notify_set(struct enic *enic) +{ + int err; + + switch (vnic_dev_get_intr_mode(enic->vdev)) { + case VNIC_DEV_INTR_MODE_INTX: + err = vnic_dev_notify_set(enic->vdev, ENIC_INTX_NOTIFY); + break; + case VNIC_DEV_INTR_MODE_MSIX: + err = vnic_dev_notify_set(enic->vdev, ENIC_MSIX_NOTIFY); + break; + default: + err = vnic_dev_notify_set(enic->vdev, -1 /* no intr */); + break; + } + + return err; +} + +static void enic_notify_timer_start(struct enic *enic) +{ + switch (vnic_dev_get_intr_mode(enic->vdev)) { + case VNIC_DEV_INTR_MODE_MSI: + mod_timer(&enic->notify_timer, jiffies); + break; + default: + /* Using intr for notification for INTx/MSI-X */ + break; + }; +} + +/* rtnl lock is held, process context */ +static int enic_open(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + unsigned int i; + int err; + + for (i = 0; i < enic->rq_count; i++) { + err = vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf); + if (err) { + printk(KERN_ERR PFX + "%s: Unable to alloc receive buffers.\n", + netdev->name); + return err; + } + } + + for (i = 0; i < enic->wq_count; i++) + vnic_wq_enable(&enic->wq[i]); + for (i = 0; i < enic->rq_count; i++) + vnic_rq_enable(&enic->rq[i]); + + enic_add_station_addr(enic); + enic_set_multicast_list(netdev); + + netif_wake_queue(netdev); + napi_enable(&enic->napi); + vnic_dev_enable(enic->vdev); + + for (i = 0; i < enic->intr_count; i++) + vnic_intr_unmask(&enic->intr[i]); + + enic_notify_timer_start(enic); + + return 0; +} + +/* rtnl lock is held, process context */ +static int enic_stop(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + unsigned int i; + int err; + + del_timer_sync(&enic->notify_timer); + + vnic_dev_disable(enic->vdev); + napi_disable(&enic->napi); + netif_stop_queue(netdev); + + for (i = 0; i < enic->intr_count; i++) + vnic_intr_mask(&enic->intr[i]); + + for (i = 0; i < enic->wq_count; i++) { + err = vnic_wq_disable(&enic->wq[i]); + if (err) + return err; + } + for (i = 0; i < enic->rq_count; i++) { + err = vnic_rq_disable(&enic->rq[i]); + if (err) + return err; + } + + (void)vnic_cq_service(&enic->cq[ENIC_CQ_RQ], + -1, enic_rq_service_drop, NULL); + (void)vnic_cq_service(&enic->cq[ENIC_CQ_WQ], + -1, enic_wq_service, NULL); + + for (i = 0; i < enic->wq_count; i++) + vnic_wq_clean(&enic->wq[i], enic_free_wq_buf); + for (i = 0; i < enic->rq_count; i++) + vnic_rq_clean(&enic->rq[i], enic_free_rq_buf); + for (i = 0; i < enic->cq_count; i++) + vnic_cq_clean(&enic->cq[i]); + for (i = 0; i < enic->intr_count; i++) + vnic_intr_clean(&enic->intr[i]); + + return 0; +} + +static int enic_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct enic *enic = netdev_priv(netdev); + int running = netif_running(netdev); + + if (running) + enic_stop(netdev); + + if (new_mtu < ENIC_MIN_MTU) + new_mtu = ENIC_MIN_MTU; + if (new_mtu > ENIC_MAX_MTU) + new_mtu = ENIC_MAX_MTU; + + netdev->mtu = new_mtu; + + if (netdev->mtu > enic->port_mtu) + printk(KERN_WARNING PFX + "%s: interface MTU (%d) set higher " + "than port MTU (%d)\n", + netdev->name, netdev->mtu, enic->port_mtu); + + if (running) + enic_open(netdev); + + return 0; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void enic_poll_controller(struct net_device *netdev) +{ + struct enic *enic = netdev_priv(netdev); + struct vnic_dev *vdev = enic->vdev; + + switch (vnic_dev_get_intr_mode(vdev)) { + case VNIC_DEV_INTR_MODE_MSIX: + enic_isr_msix_rq(enic->pdev->irq, enic); + enic_isr_msix_wq(enic->pdev->irq, enic); + break; + case VNIC_DEV_INTR_MODE_MSI: + enic_isr_msi(enic->pdev->irq, enic); + break; + case VNIC_DEV_INTR_MODE_INTX: + enic_isr_legacy(enic->pdev->irq, netdev); + break; + default: + break; + } +} +#endif + +static int enic_dev_wait(struct vnic_dev *vdev, + int (*start)(struct vnic_dev *, int), + int (*finished)(struct vnic_dev *, int *), + int arg) +{ + unsigned long time; + int done; + int err; + + BUG_ON(in_interrupt()); + + err = start(vdev, arg); + if (err) + return err; + + /* Wait for func to complete...2 seconds max + */ + + time = jiffies + (HZ * 2); + do { + + err = finished(vdev, &done); + if (err) + return err; + + if (done) + return 0; + + schedule_timeout_uninterruptible(HZ / 10); + + } while (time_after(time, jiffies)); + + return -ETIMEDOUT; +} + +static int enic_dev_open(struct enic *enic) +{ + int err; + + err = enic_dev_wait(enic->vdev, vnic_dev_open, + vnic_dev_open_done, 0); + if (err) + printk(KERN_ERR PFX + "vNIC device open failed, err %d.\n", err); + + return err; +} + +static int enic_dev_soft_reset(struct enic *enic) +{ + int err; + + err = enic_dev_wait(enic->vdev, vnic_dev_soft_reset, + vnic_dev_soft_reset_done, 0); + if (err) + printk(KERN_ERR PFX + "vNIC soft reset failed, err %d.\n", err); + + return err; +} + +static void enic_reset(struct work_struct *work) +{ + struct enic *enic = container_of(work, struct enic, reset); + + if (!netif_running(enic->netdev)) + return; + + rtnl_lock(); + + spin_lock(&enic->devcmd_lock); + vnic_dev_hang_notify(enic->vdev); + spin_unlock(&enic->devcmd_lock); + + enic_stop(enic->netdev); + enic_dev_soft_reset(enic); + enic_reset_mcaddrs(enic); + enic_init_vnic_resources(enic); + enic_open(enic->netdev); + + rtnl_unlock(); +} + +static int enic_set_intr_mode(struct enic *enic) +{ + unsigned int n = ARRAY_SIZE(enic->rq); + unsigned int m = ARRAY_SIZE(enic->wq); + unsigned int i; + + /* Set interrupt mode (INTx, MSI, MSI-X) depending + * system capabilities. + * + * Try MSI-X first + * + * We need n RQs, m WQs, n+m CQs, and n+m+2 INTRs + * (the second to last INTR is used for WQ/RQ errors) + * (the last INTR is used for notifications) + */ + + BUG_ON(ARRAY_SIZE(enic->msix_entry) < n + m + 2); + for (i = 0; i < n + m + 2; i++) + enic->msix_entry[i].entry = i; + + if (enic->config.intr_mode < 1 && + enic->rq_count >= n && + enic->wq_count >= m && + enic->cq_count >= n + m && + enic->intr_count >= n + m + 2 && + !pci_enable_msix(enic->pdev, enic->msix_entry, n + m + 2)) { + + enic->rq_count = n; + enic->wq_count = m; + enic->cq_count = n + m; + enic->intr_count = n + m + 2; + + vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_MSIX); + + return 0; + } + + /* Next try MSI + * + * We need 1 RQ, 1 WQ, 2 CQs, and 1 INTR + */ + + if (enic->config.intr_mode < 2 && + enic->rq_count >= 1 && + enic->wq_count >= 1 && + enic->cq_count >= 2 && + enic->intr_count >= 1 && + !pci_enable_msi(enic->pdev)) { + + enic->rq_count = 1; + enic->wq_count = 1; + enic->cq_count = 2; + enic->intr_count = 1; + + vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_MSI); + + return 0; + } + + /* Next try INTx + * + * We need 1 RQ, 1 WQ, 2 CQs, and 3 INTRs + * (the first INTR is used for WQ/RQ) + * (the second INTR is used for WQ/RQ errors) + * (the last INTR is used for notifications) + */ + + if (enic->config.intr_mode < 3 && + enic->rq_count >= 1 && + enic->wq_count >= 1 && + enic->cq_count >= 2 && + enic->intr_count >= 3) { + + enic->rq_count = 1; + enic->wq_count = 1; + enic->cq_count = 2; + enic->intr_count = 3; + + vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_INTX); + + return 0; + } + + vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN); + + return -EINVAL; +} + +static void enic_clear_intr_mode(struct enic *enic) +{ + switch (vnic_dev_get_intr_mode(enic->vdev)) { + case VNIC_DEV_INTR_MODE_MSIX: + pci_disable_msix(enic->pdev); + break; + case VNIC_DEV_INTR_MODE_MSI: + pci_disable_msi(enic->pdev); + break; + default: + break; + } + + vnic_dev_set_intr_mode(enic->vdev, VNIC_DEV_INTR_MODE_UNKNOWN); +} + +static void enic_iounmap(struct enic *enic) +{ + if (enic->bar0.vaddr) + iounmap(enic->bar0.vaddr); +} + +static int __devinit enic_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct enic *enic; + int using_dac = 0; + unsigned int i; + int err; + + const u8 rss_default_cpu = 0; + const u8 rss_hash_type = 0; + const u8 rss_hash_bits = 0; + const u8 rss_base_cpu = 0; + const u8 rss_enable = 0; + const u8 tso_ipid_split_en = 0; + const u8 ig_vlan_strip_en = 1; + + /* Allocate net device structure and initialize. Private + * instance data is initialized to zero. + */ + + netdev = alloc_etherdev(sizeof(struct enic)); + if (!netdev) { + printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n"); + return -ENOMEM; + } + + /* Set the netdev name early so intr vectors are properly + * named and any error msgs can include netdev->name + */ + + rtnl_lock(); + err = dev_alloc_name(netdev, netdev->name); + rtnl_unlock(); + if (err < 0) { + printk(KERN_ERR PFX "Unable to allocate netdev name.\n"); + goto err_out_free_netdev; + } + + pci_set_drvdata(pdev, netdev); + + SET_NETDEV_DEV(netdev, &pdev->dev); + + enic = netdev_priv(netdev); + enic->netdev = netdev; + enic->pdev = pdev; + + /* Setup PCI resources + */ + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR PFX + "%s: Cannot enable PCI device, aborting.\n", + netdev->name); + goto err_out_free_netdev; + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + printk(KERN_ERR PFX + "%s: Cannot request PCI regions, aborting.\n", + netdev->name); + goto err_out_disable_device; + } + + pci_set_master(pdev); + + /* Query PCI controller on system for DMA addressing + * limitation for the device. Try 40-bit first, and + * fail to 32-bit. + */ + + err = pci_set_dma_mask(pdev, DMA_40BIT_MASK); + if (err) { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + printk(KERN_ERR PFX + "%s: No usable DMA configuration, aborting.\n", + netdev->name); + goto err_out_release_regions; + } + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + printk(KERN_ERR PFX + "%s: Unable to obtain 32-bit DMA " + "for consistent allocations, aborting.\n", + netdev->name); + goto err_out_release_regions; + } + } else { + err = pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK); + if (err) { + printk(KERN_ERR PFX + "%s: Unable to obtain 40-bit DMA " + "for consistent allocations, aborting.\n", + netdev->name); + goto err_out_release_regions; + } + using_dac = 1; + } + + /* Map vNIC resources from BAR0 + */ + + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + printk(KERN_ERR PFX + "%s: BAR0 not memory-map'able, aborting.\n", + netdev->name); + err = -ENODEV; + goto err_out_release_regions; + } + + enic->bar0.vaddr = pci_iomap(pdev, 0, enic->bar0.len); + enic->bar0.bus_addr = pci_resource_start(pdev, 0); + enic->bar0.len = pci_resource_len(pdev, 0); + + if (!enic->bar0.vaddr) { + printk(KERN_ERR PFX + "%s: Cannot memory-map BAR0 res hdr, aborting.\n", + netdev->name); + err = -ENODEV; + goto err_out_release_regions; + } + + /* Register vNIC device + */ + + enic->vdev = vnic_dev_register(NULL, enic, pdev, &enic->bar0); + if (!enic->vdev) { + printk(KERN_ERR PFX + "%s: vNIC registration failed, aborting.\n", + netdev->name); + err = -ENODEV; + goto err_out_iounmap; + } + + /* Issue device open to get device in known state + */ + + err = enic_dev_open(enic); + if (err) { + printk(KERN_ERR PFX + "%s: vNIC dev open failed, aborting.\n", + netdev->name); + goto err_out_vnic_unregister; + } + + /* Issue device init to initialize the vnic-to-switch link. + * We'll start with carrier off and wait for link UP + * notification later to turn on carrier. We don't need + * to wait here for the vnic-to-switch link initialization + * to complete; link UP notification is the indication that + * the process is complete. + */ + + netif_carrier_off(netdev); + + err = vnic_dev_init(enic->vdev, 0); + if (err) { + printk(KERN_ERR PFX + "%s: vNIC dev init failed, aborting.\n", + netdev->name); + goto err_out_dev_close; + } + + /* Get vNIC configuration + */ + + err = enic_get_vnic_config(enic); + if (err) { + printk(KERN_ERR PFX + "%s: Get vNIC configuration failed, aborting.\n", + netdev->name); + goto err_out_dev_close; + } + + /* Get available resource counts + */ + + enic_get_res_counts(enic); + + /* Set interrupt mode based on resource counts and system + * capabilities + */ + + err = enic_set_intr_mode(enic); + if (err) { + printk(KERN_ERR PFX + "%s: Failed to set intr mode, aborting.\n", + netdev->name); + goto err_out_dev_close; + } + + /* Request interrupt vector(s) + */ + + err = enic_request_intr(enic); + if (err) { + printk(KERN_ERR PFX "%s: Unable to request irq.\n", + netdev->name); + goto err_out_dev_close; + } + + /* Allocate and configure vNIC resources + */ + + err = enic_alloc_vnic_resources(enic); + if (err) { + printk(KERN_ERR PFX + "%s: Failed to alloc vNIC resources, aborting.\n", + netdev->name); + goto err_out_free_vnic_resources; + } + + enic_init_vnic_resources(enic); + + /* Enable VLAN tag stripping. RSS not enabled (yet). + */ + + err = enic_set_nic_cfg(enic, + rss_default_cpu, rss_hash_type, + rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, + ig_vlan_strip_en); + if (err) { + printk(KERN_ERR PFX + "%s: Failed to config nic, aborting.\n", + netdev->name); + goto err_out_free_vnic_resources; + } + + /* Setup notification buffer area + */ + + err = enic_notify_set(enic); + if (err) { + printk(KERN_ERR PFX + "%s: Failed to alloc notify buffer, aborting.\n", + netdev->name); + goto err_out_free_vnic_resources; + } + + /* Setup notification timer, HW reset task, and locks + */ + + init_timer(&enic->notify_timer); + enic->notify_timer.function = enic_notify_timer; + enic->notify_timer.data = (unsigned long)enic; + + INIT_WORK(&enic->reset, enic_reset); + + for (i = 0; i < enic->wq_count; i++) + spin_lock_init(&enic->wq_lock[i]); + + spin_lock_init(&enic->devcmd_lock); + + /* Register net device + */ + + enic->port_mtu = enic->config.mtu; + (void)enic_change_mtu(netdev, enic->port_mtu); + + err = enic_set_mac_addr(netdev, enic->mac_addr); + if (err) { + printk(KERN_ERR PFX + "%s: Invalid MAC address, aborting.\n", + netdev->name); + goto err_out_notify_unset; + } + + netdev->open = enic_open; + netdev->stop = enic_stop; + netdev->hard_start_xmit = enic_hard_start_xmit; + netdev->get_stats = enic_get_stats; + netdev->set_multicast_list = enic_set_multicast_list; + netdev->change_mtu = enic_change_mtu; + netdev->vlan_rx_register = enic_vlan_rx_register; + netdev->vlan_rx_add_vid = enic_vlan_rx_add_vid; + netdev->vlan_rx_kill_vid = enic_vlan_rx_kill_vid; + netdev->tx_timeout = enic_tx_timeout; + netdev->watchdog_timeo = 2 * HZ; + netdev->ethtool_ops = &enic_ethtool_ops; +#ifdef CONFIG_NET_POLL_CONTROLLER + netdev->poll_controller = enic_poll_controller; +#endif + + switch (vnic_dev_get_intr_mode(enic->vdev)) { + default: + netif_napi_add(netdev, &enic->napi, enic_poll, 64); + break; + case VNIC_DEV_INTR_MODE_MSIX: + netif_napi_add(netdev, &enic->napi, enic_poll_msix, 64); + break; + } + + netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + if (ENIC_SETTING(enic, TXCSUM)) + netdev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; + if (ENIC_SETTING(enic, TSO)) + netdev->features |= NETIF_F_TSO | + NETIF_F_TSO6 | NETIF_F_TSO_ECN; + if (using_dac) + netdev->features |= NETIF_F_HIGHDMA; + + + enic->csum_rx_enabled = ENIC_SETTING(enic, RXCSUM); + + if (ENIC_SETTING(enic, LRO)) { + enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR; + enic->lro_mgr.max_desc = ENIC_LRO_MAX_DESC; + enic->lro_mgr.lro_arr = enic->lro_desc; + enic->lro_mgr.get_skb_header = enic_get_skb_header; + enic->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID; + enic->lro_mgr.dev = netdev; + enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE; + enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY; + } + + err = register_netdev(netdev); + if (err) { + printk(KERN_ERR PFX + "%s: Cannot register net device, aborting.\n", + netdev->name); + goto err_out_notify_unset; + } + + return 0; + +err_out_notify_unset: + vnic_dev_notify_unset(enic->vdev); +err_out_free_vnic_resources: + enic_free_vnic_resources(enic); + enic_free_intr(enic); +err_out_dev_close: + vnic_dev_close(enic->vdev); +err_out_vnic_unregister: + enic_clear_intr_mode(enic); + vnic_dev_unregister(enic->vdev); +err_out_iounmap: + enic_iounmap(enic); +err_out_release_regions: + pci_release_regions(pdev); +err_out_disable_device: + pci_disable_device(pdev); +err_out_free_netdev: + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); + + return err; +} + +static void __devexit enic_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + + if (netdev) { + struct enic *enic = netdev_priv(netdev); + + flush_scheduled_work(); + unregister_netdev(netdev); + vnic_dev_notify_unset(enic->vdev); + enic_free_vnic_resources(enic); + enic_free_intr(enic); + vnic_dev_close(enic->vdev); + enic_clear_intr_mode(enic); + vnic_dev_unregister(enic->vdev); + enic_iounmap(enic); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); + } +} + +static struct pci_driver enic_driver = { + .name = DRV_NAME, + .id_table = enic_id_table, + .probe = enic_probe, + .remove = __devexit_p(enic_remove), +}; + +static int __init enic_init_module(void) +{ + printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION); + + return pci_register_driver(&enic_driver); +} + +static void __exit enic_cleanup_module(void) +{ + pci_unregister_driver(&enic_driver); +} + +module_init(enic_init_module); +module_exit(enic_cleanup_module); diff --git a/drivers/net/enic/enic_res.c b/drivers/net/enic/enic_res.c new file mode 100644 index 000000000000..95184b9108ef --- /dev/null +++ b/drivers/net/enic/enic_res.c @@ -0,0 +1,370 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include + +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "cq_enet_desc.h" +#include "vnic_resource.h" +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_nic.h" +#include "vnic_rss.h" +#include "enic_res.h" +#include "enic.h" + +int enic_get_vnic_config(struct enic *enic) +{ + struct vnic_enet_config *c = &enic->config; + int err; + + err = vnic_dev_mac_addr(enic->vdev, enic->mac_addr); + if (err) { + printk(KERN_ERR PFX "Error getting MAC addr, %d\n", err); + return err; + } + +#define GET_CONFIG(m) \ + do { \ + err = vnic_dev_spec(enic->vdev, \ + offsetof(struct vnic_enet_config, m), \ + sizeof(c->m), &c->m); \ + if (err) { \ + printk(KERN_ERR PFX \ + "Error getting %s, %d\n", #m, err); \ + return err; \ + } \ + } while (0) + + GET_CONFIG(flags); + GET_CONFIG(wq_desc_count); + GET_CONFIG(rq_desc_count); + GET_CONFIG(mtu); + GET_CONFIG(intr_timer); + GET_CONFIG(intr_timer_type); + GET_CONFIG(intr_mode); + + c->wq_desc_count = + min_t(u32, ENIC_MAX_WQ_DESCS, + max_t(u32, ENIC_MIN_WQ_DESCS, + c->wq_desc_count)); + c->wq_desc_count &= 0xfffffff0; /* must be aligned to groups of 16 */ + + c->rq_desc_count = + min_t(u32, ENIC_MAX_RQ_DESCS, + max_t(u32, ENIC_MIN_RQ_DESCS, + c->rq_desc_count)); + c->rq_desc_count &= 0xfffffff0; /* must be aligned to groups of 16 */ + + if (c->mtu == 0) + c->mtu = 1500; + c->mtu = min_t(u16, ENIC_MAX_MTU, + max_t(u16, ENIC_MIN_MTU, + c->mtu)); + + c->intr_timer = min_t(u16, VNIC_INTR_TIMER_MAX, c->intr_timer); + + printk(KERN_INFO PFX "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x " + "wq/rq %d/%d\n", + enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2], + enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5], + c->wq_desc_count, c->rq_desc_count); + printk(KERN_INFO PFX "vNIC mtu %d csum tx/rx %d/%d tso/lro %d/%d " + "intr timer %d\n", + c->mtu, ENIC_SETTING(enic, TXCSUM), + ENIC_SETTING(enic, RXCSUM), ENIC_SETTING(enic, TSO), + ENIC_SETTING(enic, LRO), c->intr_timer); + + return 0; +} + +void enic_add_station_addr(struct enic *enic) +{ + vnic_dev_add_addr(enic->vdev, enic->mac_addr); +} + +void enic_add_multicast_addr(struct enic *enic, u8 *addr) +{ + vnic_dev_add_addr(enic->vdev, addr); +} + +void enic_del_multicast_addr(struct enic *enic, u8 *addr) +{ + vnic_dev_del_addr(enic->vdev, addr); +} + +void enic_add_vlan(struct enic *enic, u16 vlanid) +{ + u64 a0 = vlanid, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait); + if (err) + printk(KERN_ERR PFX "Can't add vlan id, %d\n", err); +} + +void enic_del_vlan(struct enic *enic, u16 vlanid) +{ + u64 a0 = vlanid, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait); + if (err) + printk(KERN_ERR PFX "Can't delete vlan id, %d\n", err); +} + +int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en) +{ + u64 a0, a1; + u32 nic_cfg; + int wait = 1000; + + vnic_set_nic_cfg(&nic_cfg, rss_default_cpu, + rss_hash_type, rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, ig_vlan_strip_en); + + a0 = nic_cfg; + a1 = 0; + + return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait); +} + +void enic_free_vnic_resources(struct enic *enic) +{ + unsigned int i; + + for (i = 0; i < enic->wq_count; i++) + vnic_wq_free(&enic->wq[i]); + for (i = 0; i < enic->rq_count; i++) + vnic_rq_free(&enic->rq[i]); + for (i = 0; i < enic->cq_count; i++) + vnic_cq_free(&enic->cq[i]); + for (i = 0; i < enic->intr_count; i++) + vnic_intr_free(&enic->intr[i]); +} + +void enic_get_res_counts(struct enic *enic) +{ + enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ); + enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ); + enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ); + enic->intr_count = vnic_dev_get_res_count(enic->vdev, + RES_TYPE_INTR_CTRL); + + printk(KERN_INFO PFX "vNIC resources avail: " + "wq %d rq %d cq %d intr %d\n", + enic->wq_count, enic->rq_count, + enic->cq_count, enic->intr_count); +} + +void enic_init_vnic_resources(struct enic *enic) +{ + enum vnic_dev_intr_mode intr_mode; + unsigned int mask_on_assertion; + unsigned int interrupt_offset; + unsigned int error_interrupt_enable; + unsigned int error_interrupt_offset; + unsigned int cq_index; + unsigned int i; + + intr_mode = vnic_dev_get_intr_mode(enic->vdev); + + /* Init RQ/WQ resources. + * + * RQ[0 - n-1] point to CQ[0 - n-1] + * WQ[0 - m-1] point to CQ[n - n+m-1] + * + * Error interrupt is not enabled for MSI. + */ + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_INTX: + case VNIC_DEV_INTR_MODE_MSIX: + error_interrupt_enable = 1; + error_interrupt_offset = enic->intr_count - 2; + break; + default: + error_interrupt_enable = 0; + error_interrupt_offset = 0; + break; + } + + for (i = 0; i < enic->rq_count; i++) { + cq_index = i; + vnic_rq_init(&enic->rq[i], + cq_index, + error_interrupt_enable, + error_interrupt_offset); + } + + for (i = 0; i < enic->wq_count; i++) { + cq_index = enic->rq_count + i; + vnic_wq_init(&enic->wq[i], + cq_index, + error_interrupt_enable, + error_interrupt_offset); + } + + /* Init CQ resources + * + * CQ[0 - n+m-1] point to INTR[0] for INTx, MSI + * CQ[0 - n+m-1] point to INTR[0 - n+m-1] for MSI-X + */ + + for (i = 0; i < enic->cq_count; i++) { + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_MSIX: + interrupt_offset = i; + break; + default: + interrupt_offset = 0; + break; + } + + vnic_cq_init(&enic->cq[i], + 0 /* flow_control_enable */, + 1 /* color_enable */, + 0 /* cq_head */, + 0 /* cq_tail */, + 1 /* cq_tail_color */, + 1 /* interrupt_enable */, + 1 /* cq_entry_enable */, + 0 /* cq_message_enable */, + interrupt_offset, + 0 /* cq_message_addr */); + } + + /* Init INTR resources + * + * mask_on_assertion is not used for INTx due to the level- + * triggered nature of INTx + */ + + switch (intr_mode) { + case VNIC_DEV_INTR_MODE_MSI: + case VNIC_DEV_INTR_MODE_MSIX: + mask_on_assertion = 1; + break; + default: + mask_on_assertion = 0; + break; + } + + for (i = 0; i < enic->intr_count; i++) { + vnic_intr_init(&enic->intr[i], + enic->config.intr_timer, + enic->config.intr_timer_type, + mask_on_assertion); + } + + /* Clear LIF stats + */ + + vnic_dev_stats_clear(enic->vdev); +} + +int enic_alloc_vnic_resources(struct enic *enic) +{ + enum vnic_dev_intr_mode intr_mode; + unsigned int i; + int err; + + intr_mode = vnic_dev_get_intr_mode(enic->vdev); + + printk(KERN_INFO PFX "vNIC resources used: " + "wq %d rq %d cq %d intr %d intr mode %s\n", + enic->wq_count, enic->rq_count, + enic->cq_count, enic->intr_count, + intr_mode == VNIC_DEV_INTR_MODE_INTX ? "legacy PCI INTx" : + intr_mode == VNIC_DEV_INTR_MODE_MSI ? "MSI" : + intr_mode == VNIC_DEV_INTR_MODE_MSIX ? "MSI-X" : + "unknown" + ); + + /* Allocate queue resources + */ + + for (i = 0; i < enic->wq_count; i++) { + err = vnic_wq_alloc(enic->vdev, &enic->wq[i], i, + enic->config.wq_desc_count, + sizeof(struct wq_enet_desc)); + if (err) + goto err_out_cleanup; + } + + for (i = 0; i < enic->rq_count; i++) { + err = vnic_rq_alloc(enic->vdev, &enic->rq[i], i, + enic->config.rq_desc_count, + sizeof(struct rq_enet_desc)); + if (err) + goto err_out_cleanup; + } + + for (i = 0; i < enic->cq_count; i++) { + if (i < enic->rq_count) + err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i, + enic->config.rq_desc_count, + sizeof(struct cq_enet_rq_desc)); + else + err = vnic_cq_alloc(enic->vdev, &enic->cq[i], i, + enic->config.wq_desc_count, + sizeof(struct cq_enet_wq_desc)); + if (err) + goto err_out_cleanup; + } + + for (i = 0; i < enic->intr_count; i++) { + err = vnic_intr_alloc(enic->vdev, &enic->intr[i], i); + if (err) + goto err_out_cleanup; + } + + /* Hook remaining resource + */ + + enic->legacy_pba = vnic_dev_get_res(enic->vdev, + RES_TYPE_INTR_PBA_LEGACY, 0); + if (!enic->legacy_pba && intr_mode == VNIC_DEV_INTR_MODE_INTX) { + printk(KERN_ERR PFX "Failed to hook legacy pba resource\n"); + err = -ENODEV; + goto err_out_cleanup; + } + + return 0; + +err_out_cleanup: + enic_free_vnic_resources(enic); + + return err; +} diff --git a/drivers/net/enic/enic_res.h b/drivers/net/enic/enic_res.h new file mode 100644 index 000000000000..68534a29b7ac --- /dev/null +++ b/drivers/net/enic/enic_res.h @@ -0,0 +1,151 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _ENIC_RES_H_ +#define _ENIC_RES_H_ + +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "vnic_wq.h" +#include "vnic_rq.h" + +#define ENIC_MIN_WQ_DESCS 64 +#define ENIC_MAX_WQ_DESCS 4096 +#define ENIC_MIN_RQ_DESCS 64 +#define ENIC_MAX_RQ_DESCS 4096 + +#define ENIC_MIN_MTU 576 /* minimum for IPv4 */ +#define ENIC_MAX_MTU 9000 + +#define ENIC_MULTICAST_PERFECT_FILTERS 32 + +#define ENIC_NON_TSO_MAX_DESC 16 + +#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) + +static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int mss_or_csum_offset, unsigned int hdr_len, + int vlan_tag_insert, unsigned int vlan_tag, + int offload_mode, int cq_entry, int sop, int eop) +{ + struct wq_enet_desc *desc = vnic_wq_next_desc(wq); + + wq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + (u16)len, + (u16)mss_or_csum_offset, + (u16)hdr_len, (u8)offload_mode, + (u8)eop, (u8)cq_entry, + 0, /* fcoe_encap */ + (u8)vlan_tag_insert, + (u16)vlan_tag, + 0 /* loopback */); + + wmb(); + + vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); +} + +static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, int eop) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + 0, 0, 0, 0, 0, + eop, 0 /* !SOP */, eop); +} + +static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, + dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, + unsigned int vlan_tag, int eop) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + 0, 0, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM, + eop, 1 /* SOP */, eop); +} + +static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + int ip_csum, int tcpudp_csum, int vlan_tag_insert, + unsigned int vlan_tag, int eop) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), + 0, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM, + eop, 1 /* SOP */, eop); +} + +static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int csum_offset, unsigned int hdr_len, + int vlan_tag_insert, unsigned int vlan_tag, int eop) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + csum_offset, hdr_len, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM_L4, + eop, 1 /* SOP */, eop); +} + +static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, + unsigned int vlan_tag, int eop) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + mss, hdr_len, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_TSO, + eop, 1 /* SOP */, eop); +} + +static inline void enic_queue_rq_desc(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len) +{ + struct rq_enet_desc *desc = vnic_rq_next_desc(rq); + u8 type = os_buf_index ? + RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; + + rq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + type, (u16)len); + + wmb(); + + vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len); +} + +struct enic; + +int enic_get_vnic_config(struct enic *); +void enic_add_station_addr(struct enic *enic); +void enic_add_multicast_addr(struct enic *enic, u8 *addr); +void enic_del_multicast_addr(struct enic *enic, u8 *addr); +void enic_add_vlan(struct enic *enic, u16 vlanid); +void enic_del_vlan(struct enic *enic, u16 vlanid); +int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en); +void enic_get_res_counts(struct enic *enic); +void enic_init_vnic_resources(struct enic *enic); +int enic_alloc_vnic_resources(struct enic *); +void enic_free_vnic_resources(struct enic *); + +#endif /* _ENIC_RES_H_ */ diff --git a/drivers/net/enic/rq_enet_desc.h b/drivers/net/enic/rq_enet_desc.h new file mode 100644 index 000000000000..a06e649010ce --- /dev/null +++ b/drivers/net/enic/rq_enet_desc.h @@ -0,0 +1,60 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _RQ_ENET_DESC_H_ +#define _RQ_ENET_DESC_H_ + +/* Ethernet receive queue descriptor: 16B */ +struct rq_enet_desc { + __le64 address; + __le16 length_type; + u8 reserved[6]; +}; + +enum rq_enet_type_types { + RQ_ENET_TYPE_ONLY_SOP = 0, + RQ_ENET_TYPE_NOT_SOP = 1, + RQ_ENET_TYPE_RESV2 = 2, + RQ_ENET_TYPE_RESV3 = 3, +}; + +#define RQ_ENET_ADDR_BITS 64 +#define RQ_ENET_LEN_BITS 14 +#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1) +#define RQ_ENET_TYPE_BITS 2 +#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1) + +static inline void rq_enet_desc_enc(struct rq_enet_desc *desc, + u64 address, u8 type, u16 length) +{ + desc->address = cpu_to_le64(address); + desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) | + ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS)); +} + +static inline void rq_enet_desc_dec(struct rq_enet_desc *desc, + u64 *address, u8 *type, u16 *length) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK; + *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) & + RQ_ENET_TYPE_MASK); +} + +#endif /* _RQ_ENET_DESC_H_ */ diff --git a/drivers/net/enic/vnic_cq.c b/drivers/net/enic/vnic_cq.c new file mode 100644 index 000000000000..020ae6c3f3d9 --- /dev/null +++ b/drivers/net/enic/vnic_cq.c @@ -0,0 +1,89 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include + +#include "vnic_dev.h" +#include "vnic_cq.h" + +void vnic_cq_free(struct vnic_cq *cq) +{ + vnic_dev_free_desc_ring(cq->vdev, &cq->ring); + + cq->ctrl = NULL; +} + +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + cq->index = index; + cq->vdev = vdev; + + cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index); + if (!cq->ctrl) { + printk(KERN_ERR "Failed to hook CQ[%d] resource\n", index); + return -EINVAL; + } + + err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size); + if (err) + return err; + + return 0; +} + +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int cq_message_enable, + unsigned int interrupt_offset, u64 cq_message_addr) +{ + u64 paddr; + + paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &cq->ctrl->ring_base); + iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size); + iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable); + iowrite32(color_enable, &cq->ctrl->color_enable); + iowrite32(cq_head, &cq->ctrl->cq_head); + iowrite32(cq_tail, &cq->ctrl->cq_tail); + iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color); + iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable); + iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable); + iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable); + iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset); + writeq(cq_message_addr, &cq->ctrl->cq_message_addr); +} + +void vnic_cq_clean(struct vnic_cq *cq) +{ + cq->to_clean = 0; + cq->last_color = 0; + + iowrite32(0, &cq->ctrl->cq_head); + iowrite32(0, &cq->ctrl->cq_tail); + iowrite32(1, &cq->ctrl->cq_tail_color); + + vnic_dev_clear_desc_ring(&cq->ring); +} diff --git a/drivers/net/enic/vnic_cq.h b/drivers/net/enic/vnic_cq.h new file mode 100644 index 000000000000..114763cbc2f8 --- /dev/null +++ b/drivers/net/enic/vnic_cq.h @@ -0,0 +1,113 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_CQ_H_ +#define _VNIC_CQ_H_ + +#include "cq_desc.h" +#include "vnic_dev.h" + +/* Completion queue control */ +struct vnic_cq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 flow_control_enable; /* 0x10 */ + u32 pad1; + u32 color_enable; /* 0x18 */ + u32 pad2; + u32 cq_head; /* 0x20 */ + u32 pad3; + u32 cq_tail; /* 0x28 */ + u32 pad4; + u32 cq_tail_color; /* 0x30 */ + u32 pad5; + u32 interrupt_enable; /* 0x38 */ + u32 pad6; + u32 cq_entry_enable; /* 0x40 */ + u32 pad7; + u32 cq_message_enable; /* 0x48 */ + u32 pad8; + u32 interrupt_offset; /* 0x50 */ + u32 pad9; + u64 cq_message_addr; /* 0x58 */ + u32 pad10; +}; + +struct vnic_cq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + unsigned int to_clean; + unsigned int last_color; +}; + +static inline unsigned int vnic_cq_service(struct vnic_cq *cq, + unsigned int work_to_do, + int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque), + void *opaque) +{ + struct cq_desc *cq_desc; + unsigned int work_done = 0; + u16 q_number, completed_index; + u8 type, color; + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + while (color != cq->last_color) { + + if ((*q_service)(cq->vdev, cq_desc, type, + q_number, completed_index, opaque)) + break; + + cq->to_clean++; + if (cq->to_clean == cq->ring.desc_count) { + cq->to_clean = 0; + cq->last_color = cq->last_color ? 0 : 1; + } + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + work_done++; + if (work_done >= work_to_do) + break; + } + + return work_done; +} + +void vnic_cq_free(struct vnic_cq *cq); +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int message_enable, + unsigned int interrupt_offset, u64 message_addr); +void vnic_cq_clean(struct vnic_cq *cq); + +#endif /* _VNIC_CQ_H_ */ diff --git a/drivers/net/enic/vnic_dev.c b/drivers/net/enic/vnic_dev.c new file mode 100644 index 000000000000..4d104f5c30f9 --- /dev/null +++ b/drivers/net/enic/vnic_dev.c @@ -0,0 +1,674 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include +#include + +#include "vnic_resource.h" +#include "vnic_devcmd.h" +#include "vnic_dev.h" +#include "vnic_stats.h" + +struct vnic_res { + void __iomem *vaddr; + unsigned int count; +}; + +struct vnic_dev { + void *priv; + struct pci_dev *pdev; + struct vnic_res res[RES_TYPE_MAX]; + enum vnic_dev_intr_mode intr_mode; + struct vnic_devcmd __iomem *devcmd; + struct vnic_devcmd_notify *notify; + struct vnic_devcmd_notify notify_copy; + dma_addr_t notify_pa; + u32 *linkstatus; + dma_addr_t linkstatus_pa; + struct vnic_stats *stats; + dma_addr_t stats_pa; + struct vnic_devcmd_fw_info *fw_info; + dma_addr_t fw_info_pa; +}; + +#define VNIC_MAX_RES_HDR_SIZE \ + (sizeof(struct vnic_resource_header) + \ + sizeof(struct vnic_resource) * RES_TYPE_MAX) +#define VNIC_RES_STRIDE 128 + +void *vnic_dev_priv(struct vnic_dev *vdev) +{ + return vdev->priv; +} + +static int vnic_dev_discover_res(struct vnic_dev *vdev, + struct vnic_dev_bar *bar) +{ + struct vnic_resource_header __iomem *rh; + struct vnic_resource __iomem *r; + u8 type; + + if (bar->len < VNIC_MAX_RES_HDR_SIZE) { + printk(KERN_ERR "vNIC BAR0 res hdr length error\n"); + return -EINVAL; + } + + rh = bar->vaddr; + if (!rh) { + printk(KERN_ERR "vNIC BAR0 res hdr not mem-mapped\n"); + return -EINVAL; + } + + if (ioread32(&rh->magic) != VNIC_RES_MAGIC || + ioread32(&rh->version) != VNIC_RES_VERSION) { + printk(KERN_ERR "vNIC BAR0 res magic/version error " + "exp (%lx/%lx) curr (%x/%x)\n", + VNIC_RES_MAGIC, VNIC_RES_VERSION, + ioread32(&rh->magic), ioread32(&rh->version)); + return -EINVAL; + } + + r = (struct vnic_resource __iomem *)(rh + 1); + + while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { + + u8 bar_num = ioread8(&r->bar); + u32 bar_offset = ioread32(&r->bar_offset); + u32 count = ioread32(&r->count); + u32 len; + + r++; + + if (bar_num != 0) /* only mapping in BAR0 resources */ + continue; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + /* each count is stride bytes long */ + len = count * VNIC_RES_STRIDE; + if (len + bar_offset > bar->len) { + printk(KERN_ERR "vNIC BAR0 resource %d " + "out-of-bounds, offset 0x%x + " + "size 0x%x > bar len 0x%lx\n", + type, bar_offset, + len, + bar->len); + return -EINVAL; + } + break; + case RES_TYPE_INTR_PBA_LEGACY: + case RES_TYPE_DEVCMD: + len = count; + break; + default: + continue; + } + + vdev->res[type].count = count; + vdev->res[type].vaddr = (char __iomem *)bar->vaddr + bar_offset; + } + + return 0; +} + +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type) +{ + return vdev->res[type].count; +} + +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index) +{ + if (!vdev->res[type].vaddr) + return NULL; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + return (char __iomem *)vdev->res[type].vaddr + + index * VNIC_RES_STRIDE; + default: + return (char __iomem *)vdev->res[type].vaddr; + } +} + +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size) +{ + /* The base address of the desc rings must be 512 byte aligned. + * Descriptor count is aligned to groups of 32 descriptors. A + * count of 0 means the maximum 4096 descriptors. Descriptor + * size is aligned to 16 bytes. + */ + + unsigned int count_align = 32; + unsigned int desc_align = 16; + + ring->base_align = 512; + + if (desc_count == 0) + desc_count = 4096; + + ring->desc_count = ALIGN(desc_count, count_align); + + ring->desc_size = ALIGN(desc_size, desc_align); + + ring->size = ring->desc_count * ring->desc_size; + ring->size_unaligned = ring->size + ring->base_align; + + return ring->size_unaligned; +} + +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring) +{ + memset(ring->descs, 0, ring->size); +} + +int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size) +{ + vnic_dev_desc_ring_size(ring, desc_count, desc_size); + + ring->descs_unaligned = pci_alloc_consistent(vdev->pdev, + ring->size_unaligned, + &ring->base_addr_unaligned); + + if (!ring->descs_unaligned) { + printk(KERN_ERR + "Failed to allocate ring (size=%d), aborting\n", + (int)ring->size); + return -ENOMEM; + } + + ring->base_addr = ALIGN(ring->base_addr_unaligned, + ring->base_align); + ring->descs = (u8 *)ring->descs_unaligned + + (ring->base_addr - ring->base_addr_unaligned); + + vnic_dev_clear_desc_ring(ring); + + ring->desc_avail = ring->desc_count - 1; + + return 0; +} + +void vnic_dev_free_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring) +{ + if (ring->descs) { + pci_free_consistent(vdev->pdev, + ring->size_unaligned, + ring->descs_unaligned, + ring->base_addr_unaligned); + ring->descs = NULL; + } +} + +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait) +{ + struct vnic_devcmd __iomem *devcmd = vdev->devcmd; + int delay; + u32 status; + int dev_cmd_err[] = { + /* convert from fw's version of error.h to host's version */ + 0, /* ERR_SUCCESS */ + EINVAL, /* ERR_EINVAL */ + EFAULT, /* ERR_EFAULT */ + EPERM, /* ERR_EPERM */ + EBUSY, /* ERR_EBUSY */ + }; + int err; + + status = ioread32(&devcmd->status); + if (status & STAT_BUSY) { + printk(KERN_ERR "Busy devcmd %d\n", _CMD_N(cmd)); + return -EBUSY; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) { + writeq(*a0, &devcmd->args[0]); + writeq(*a1, &devcmd->args[1]); + wmb(); + } + + iowrite32(cmd, &devcmd->cmd); + + if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) + return 0; + + for (delay = 0; delay < wait; delay++) { + + udelay(100); + + status = ioread32(&devcmd->status); + if (!(status & STAT_BUSY)) { + + if (status & STAT_ERROR) { + err = dev_cmd_err[(int)readq(&devcmd->args[0])]; + printk(KERN_ERR "Error %d devcmd %d\n", + err, _CMD_N(cmd)); + return -err; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_READ) { + rmb(); + *a0 = readq(&devcmd->args[0]); + *a1 = readq(&devcmd->args[1]); + } + + return 0; + } + } + + printk(KERN_ERR "Timedout devcmd %d\n", _CMD_N(cmd)); + return -ETIMEDOUT; +} + +int vnic_dev_fw_info(struct vnic_dev *vdev, + struct vnic_devcmd_fw_info **fw_info) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err = 0; + + if (!vdev->fw_info) { + vdev->fw_info = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + &vdev->fw_info_pa); + if (!vdev->fw_info) + return -ENOMEM; + + a0 = vdev->fw_info_pa; + + /* only get fw_info once and cache it */ + err = vnic_dev_cmd(vdev, CMD_MCPU_FW_INFO, &a0, &a1, wait); + } + + *fw_info = vdev->fw_info; + + return err; +} + +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, + void *value) +{ + u64 a0, a1; + int wait = 1000; + int err; + + a0 = offset; + a1 = size; + + err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); + + switch (size) { + case 1: *(u8 *)value = (u8)a0; break; + case 2: *(u16 *)value = (u16)a0; break; + case 4: *(u32 *)value = (u32)a0; break; + case 8: *(u64 *)value = a0; break; + default: BUG(); break; + } + + return err; +} + +int vnic_dev_stats_clear(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); +} + +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats) +{ + u64 a0, a1; + int wait = 1000; + + if (!vdev->stats) { + vdev->stats = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_stats), &vdev->stats_pa); + if (!vdev->stats) + return -ENOMEM; + } + + *stats = vdev->stats; + a0 = vdev->stats_pa; + a1 = sizeof(struct vnic_stats); + + return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); +} + +int vnic_dev_close(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); +} + +int vnic_dev_enable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); +} + +int vnic_dev_disable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); +} + +int vnic_dev_open(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); +} + +int vnic_dev_open_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); +} + +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_hang_notify(struct vnic_dev *vdev) +{ + u64 a0, a1; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_HANG_NOTIFY, &a0, &a1, wait); +} + +int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) +{ + u64 a0, a1; + int wait = 1000; + int err, i; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = 0; + + err = vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait); + if (err) + return err; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = ((u8 *)&a0)[i]; + + return 0; +} + +void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err; + + a0 = (directed ? CMD_PFILTER_DIRECTED : 0) | + (multicast ? CMD_PFILTER_MULTICAST : 0) | + (broadcast ? CMD_PFILTER_BROADCAST : 0) | + (promisc ? CMD_PFILTER_PROMISCUOUS : 0) | + (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0); + + err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); + if (err) + printk(KERN_ERR "Can't set packet filter\n"); +} + +void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); + if (err) + printk(KERN_ERR + "Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); +} + +void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); + if (err) + printk(KERN_ERR + "Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); +} + +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) +{ + u64 a0, a1; + int wait = 1000; + + if (!vdev->notify) { + vdev->notify = pci_alloc_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + &vdev->notify_pa); + if (!vdev->notify) + return -ENOMEM; + } + + a0 = vdev->notify_pa; + a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL; + a1 += sizeof(struct vnic_devcmd_notify); + + return vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); +} + +void vnic_dev_notify_unset(struct vnic_dev *vdev) +{ + u64 a0, a1; + int wait = 1000; + + a0 = 0; /* paddr = 0 to unset notify buffer */ + a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ + a1 += sizeof(struct vnic_devcmd_notify); + + vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); +} + +static int vnic_dev_notify_ready(struct vnic_dev *vdev) +{ + u32 *words; + unsigned int nwords = sizeof(struct vnic_devcmd_notify) / 4; + unsigned int i; + u32 csum; + + if (!vdev->notify) + return 0; + + do { + csum = 0; + memcpy(&vdev->notify_copy, vdev->notify, + sizeof(struct vnic_devcmd_notify)); + words = (u32 *)&vdev->notify_copy; + for (i = 1; i < nwords; i++) + csum += words[i]; + } while (csum != words[0]); + + return 1; +} + +int vnic_dev_init(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + return vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); +} + +int vnic_dev_link_status(struct vnic_dev *vdev) +{ + if (vdev->linkstatus) + return *vdev->linkstatus; + + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.link_state; +} + +u32 vnic_dev_port_speed(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.port_speed; +} + +u32 vnic_dev_msg_lvl(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.msglvl; +} + +u32 vnic_dev_mtu(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.mtu; +} + +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode) +{ + vdev->intr_mode = intr_mode; +} + +enum vnic_dev_intr_mode vnic_dev_get_intr_mode( + struct vnic_dev *vdev) +{ + return vdev->intr_mode; +} + +void vnic_dev_unregister(struct vnic_dev *vdev) +{ + if (vdev) { + if (vdev->notify) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + vdev->notify, + vdev->notify_pa); + if (vdev->linkstatus) + pci_free_consistent(vdev->pdev, + sizeof(u32), + vdev->linkstatus, + vdev->linkstatus_pa); + if (vdev->stats) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_dev), + vdev->stats, vdev->stats_pa); + if (vdev->fw_info) + pci_free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + vdev->fw_info, vdev->fw_info_pa); + kfree(vdev); + } +} + +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar) +{ + if (!vdev) { + vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC); + if (!vdev) + return NULL; + } + + vdev->priv = priv; + vdev->pdev = pdev; + + if (vnic_dev_discover_res(vdev, bar)) + goto err_out; + + vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); + if (!vdev->devcmd) + goto err_out; + + return vdev; + +err_out: + vnic_dev_unregister(vdev); + return NULL; +} + diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h new file mode 100644 index 000000000000..2dcffd3a24bd --- /dev/null +++ b/drivers/net/enic/vnic_dev.h @@ -0,0 +1,106 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_DEV_H_ +#define _VNIC_DEV_H_ + +#include "vnic_resource.h" +#include "vnic_devcmd.h" + +#ifndef VNIC_PADDR_TARGET +#define VNIC_PADDR_TARGET 0x0000000000000000ULL +#endif + +enum vnic_dev_intr_mode { + VNIC_DEV_INTR_MODE_UNKNOWN, + VNIC_DEV_INTR_MODE_INTX, + VNIC_DEV_INTR_MODE_MSI, + VNIC_DEV_INTR_MODE_MSIX, +}; + +struct vnic_dev_bar { + void __iomem *vaddr; + dma_addr_t bus_addr; + unsigned long len; +}; + +struct vnic_dev_ring { + void *descs; + size_t size; + dma_addr_t base_addr; + size_t base_align; + void *descs_unaligned; + size_t size_unaligned; + dma_addr_t base_addr_unaligned; + unsigned int desc_size; + unsigned int desc_count; + unsigned int desc_avail; +}; + +struct vnic_dev; +struct vnic_stats; + +void *vnic_dev_priv(struct vnic_dev *vdev); +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type); +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index); +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size); +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); +int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size); +void vnic_dev_free_desc_ring(struct vnic_dev *vdev, + struct vnic_dev_ring *ring); +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait); +int vnic_dev_fw_info(struct vnic_dev *vdev, + struct vnic_devcmd_fw_info **fw_info); +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size, + void *value); +int vnic_dev_stats_clear(struct vnic_dev *vdev); +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); +int vnic_dev_hang_notify(struct vnic_dev *vdev); +void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti); +void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr); +void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr); +int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); +void vnic_dev_notify_unset(struct vnic_dev *vdev); +int vnic_dev_link_status(struct vnic_dev *vdev); +u32 vnic_dev_port_speed(struct vnic_dev *vdev); +u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); +u32 vnic_dev_mtu(struct vnic_dev *vdev); +int vnic_dev_close(struct vnic_dev *vdev); +int vnic_dev_enable(struct vnic_dev *vdev); +int vnic_dev_disable(struct vnic_dev *vdev); +int vnic_dev_open(struct vnic_dev *vdev, int arg); +int vnic_dev_open_done(struct vnic_dev *vdev, int *done); +int vnic_dev_init(struct vnic_dev *vdev, int arg); +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode); +enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); +void vnic_dev_unregister(struct vnic_dev *vdev); +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar); + +#endif /* _VNIC_DEV_H_ */ diff --git a/drivers/net/enic/vnic_devcmd.h b/drivers/net/enic/vnic_devcmd.h new file mode 100644 index 000000000000..d8617a3373b1 --- /dev/null +++ b/drivers/net/enic/vnic_devcmd.h @@ -0,0 +1,282 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_DEVCMD_H_ +#define _VNIC_DEVCMD_H_ + +#define _CMD_NBITS 14 +#define _CMD_VTYPEBITS 10 +#define _CMD_FLAGSBITS 6 +#define _CMD_DIRBITS 2 + +#define _CMD_NMASK ((1 << _CMD_NBITS)-1) +#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1) +#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1) +#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1) + +#define _CMD_NSHIFT 0 +#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS) +#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS) +#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS) + +/* + * Direction bits (from host perspective). + */ +#define _CMD_DIR_NONE 0U +#define _CMD_DIR_WRITE 1U +#define _CMD_DIR_READ 2U +#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ) + +/* + * Flag bits. + */ +#define _CMD_FLAGS_NONE 0U +#define _CMD_FLAGS_NOWAIT 1U + +/* + * vNIC type bits. + */ +#define _CMD_VTYPE_NONE 0U +#define _CMD_VTYPE_ENET 1U +#define _CMD_VTYPE_FC 2U +#define _CMD_VTYPE_SCSI 4U +#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI) + +/* + * Used to create cmds.. +*/ +#define _CMDCF(dir, flags, vtype, nr) \ + (((dir) << _CMD_DIRSHIFT) | \ + ((flags) << _CMD_FLAGSSHIFT) | \ + ((vtype) << _CMD_VTYPESHIFT) | \ + ((nr) << _CMD_NSHIFT)) +#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr) +#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr) + +/* + * Used to decode cmds.. +*/ +#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK) +#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK) +#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK) +#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK) + +enum vnic_devcmd_cmd { + CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0), + + /* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */ + CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1), + + /* dev-specific block member: + * in: (u16)a0=offset,(u8)a1=size + * out: a0=value */ + CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2), + + /* stats clear */ + CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3), + + /* stats dump in mem: (u64)a0=paddr to stats area, + * (u16)a1=sizeof stats area */ + CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4), + + /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */ + CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7), + + /* hang detection notification */ + CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8), + + /* MAC address in (u48)a0 */ + CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9), + + /* disable/enable promisc mode: (u8)a0=0/1 */ +/***** XXX DEPRECATED *****/ + CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10), + + /* disable/enable all-multi mode: (u8)a0=0/1 */ +/***** XXX DEPRECATED *****/ + CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11), + + /* add addr from (u48)a0 */ + CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12), + + /* del addr from (u48)a0 */ + CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13), + + /* add VLAN id in (u16)a0 */ + CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14), + + /* del VLAN id in (u16)a0 */ + CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15), + + /* nic_cfg in (u32)a0 */ + CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16), + + /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17), + + /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18), + + /* initiate softreset */ + CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19), + + /* softreset status: + * out: a0=0 reset complete, a0=1 reset in progress */ + CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20), + + /* set struct vnic_devcmd_notify buffer in mem: + * in: + * (u64)a0=paddr to notify (set paddr=0 to unset) + * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) + * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) + * out: + * (u32)a1 = effective size + */ + CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21), + + /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct, + * (u8)a1=PXENV_UNDI_xxx */ + CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22), + + /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */ + CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23), + + /* open status: + * out: a0=0 open complete, a0=1 open in progress */ + CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24), + + /* close vnic */ + CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25), + + /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ + CMD_INIT = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26), + + /* variant of CMD_INIT, with provisioning info + * (u64)a0=paddr of vnic_devcmd_provinfo + * (u32)a1=sizeof provision info */ + CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27), + + /* enable virtual link */ + CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), + + /* disable virtual link */ + CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29), + + /* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */ + CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30), + + /* init status: + * out: a0=0 init complete, a0=1 init in progress + * if a0=0, a1=errno */ + CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31), + + /* INT13 API: (u64)a0=paddr to vnic_int13_params struct + * (u8)a1=INT13_CMD_xxx */ + CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32), + + /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */ + CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33), + + /* undo initialize of virtual link */ + CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34), +}; + +/* flags for CMD_OPEN */ +#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */ + +/* flags for CMD_INIT */ +#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */ + +/* flags for CMD_PACKET_FILTER */ +#define CMD_PFILTER_DIRECTED 0x01 +#define CMD_PFILTER_MULTICAST 0x02 +#define CMD_PFILTER_BROADCAST 0x04 +#define CMD_PFILTER_PROMISCUOUS 0x08 +#define CMD_PFILTER_ALL_MULTICAST 0x10 + +enum vnic_devcmd_status { + STAT_NONE = 0, + STAT_BUSY = 1 << 0, /* cmd in progress */ + STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */ +}; + +enum vnic_devcmd_error { + ERR_SUCCESS = 0, + ERR_EINVAL = 1, + ERR_EFAULT = 2, + ERR_EPERM = 3, + ERR_EBUSY = 4, + ERR_ECMDUNKNOWN = 5, + ERR_EBADSTATE = 6, + ERR_ENOMEM = 7, + ERR_ETIMEDOUT = 8, + ERR_ELINKDOWN = 9, +}; + +struct vnic_devcmd_fw_info { + char fw_version[32]; + char fw_build[32]; + char hw_version[32]; + char hw_serial_number[32]; +}; + +struct vnic_devcmd_notify { + u32 csum; /* checksum over following words */ + + u32 link_state; /* link up == 1 */ + u32 port_speed; /* effective port speed (rate limit) */ + u32 mtu; /* MTU */ + u32 msglvl; /* requested driver msg lvl */ + u32 uif; /* uplink interface */ + u32 status; /* status bits (see VNIC_STF_*) */ + u32 error; /* error code (see ERR_*) for first ERR */ +}; +#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ + +struct vnic_devcmd_provinfo { + u8 oui[3]; + u8 type; + u8 data[0]; +}; + +/* + * Writing cmd register causes STAT_BUSY to get set in status register. + * When cmd completes, STAT_BUSY will be cleared. + * + * If cmd completed successfully STAT_ERROR will be clear + * and args registers contain cmd-specific results. + * + * If cmd error, STAT_ERROR will be set and args[0] contains error code. + * + * status register is read-only. While STAT_BUSY is set, + * all other register contents are read-only. + */ + +/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */ +#define VNIC_DEVCMD_NARGS 15 +struct vnic_devcmd { + u32 status; /* RO */ + u32 cmd; /* RW */ + u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ +}; + +#endif /* _VNIC_DEVCMD_H_ */ diff --git a/drivers/net/enic/vnic_enet.h b/drivers/net/enic/vnic_enet.h new file mode 100644 index 000000000000..6332ac9391b8 --- /dev/null +++ b/drivers/net/enic/vnic_enet.h @@ -0,0 +1,47 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_ENIC_H_ +#define _VNIC_ENIC_H_ + +/* Device-specific region: enet configuration */ +struct vnic_enet_config { + u32 flags; + u32 wq_desc_count; + u32 rq_desc_count; + u16 mtu; + u16 intr_timer; + u8 intr_timer_type; + u8 intr_mode; + char devname[16]; +}; + +#define VENETF_TSO 0x1 /* TSO enabled */ +#define VENETF_LRO 0x2 /* LRO enabled */ +#define VENETF_RXCSUM 0x4 /* RX csum enabled */ +#define VENETF_TXCSUM 0x8 /* TX csum enabled */ +#define VENETF_RSS 0x10 /* RSS enabled */ +#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ +#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ +#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ +#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ +#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ +#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ + +#endif /* _VNIC_ENIC_H_ */ diff --git a/drivers/net/enic/vnic_intr.c b/drivers/net/enic/vnic_intr.c new file mode 100644 index 000000000000..ddc38f8f4656 --- /dev/null +++ b/drivers/net/enic/vnic_intr.c @@ -0,0 +1,62 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include + +#include "vnic_dev.h" +#include "vnic_intr.h" + +void vnic_intr_free(struct vnic_intr *intr) +{ + intr->ctrl = NULL; +} + +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index) +{ + intr->index = index; + intr->vdev = vdev; + + intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index); + if (!intr->ctrl) { + printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n", + index); + return -EINVAL; + } + + return 0; +} + +void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion) +{ + iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer); + iowrite32(coalescing_type, &intr->ctrl->coalescing_type); + iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion); + iowrite32(0, &intr->ctrl->int_credits); +} + +void vnic_intr_clean(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->int_credits); +} diff --git a/drivers/net/enic/vnic_intr.h b/drivers/net/enic/vnic_intr.h new file mode 100644 index 000000000000..ccc408116af8 --- /dev/null +++ b/drivers/net/enic/vnic_intr.h @@ -0,0 +1,92 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_INTR_H_ +#define _VNIC_INTR_H_ + +#include + +#include "vnic_dev.h" + +#define VNIC_INTR_TIMER_MAX 0xffff + +#define VNIC_INTR_TIMER_TYPE_ABS 0 +#define VNIC_INTR_TIMER_TYPE_QUIET 1 + +/* Interrupt control */ +struct vnic_intr_ctrl { + u32 coalescing_timer; /* 0x00 */ + u32 pad0; + u32 coalescing_value; /* 0x08 */ + u32 pad1; + u32 coalescing_type; /* 0x10 */ + u32 pad2; + u32 mask_on_assertion; /* 0x18 */ + u32 pad3; + u32 mask; /* 0x20 */ + u32 pad4; + u32 int_credits; /* 0x28 */ + u32 pad5; + u32 int_credit_return; /* 0x30 */ + u32 pad6; +}; + +struct vnic_intr { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */ +}; + +static inline void vnic_intr_unmask(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->mask); +} + +static inline void vnic_intr_mask(struct vnic_intr *intr) +{ + iowrite32(1, &intr->ctrl->mask); +} + +static inline void vnic_intr_return_credits(struct vnic_intr *intr, + unsigned int credits, int unmask, int reset_timer) +{ +#define VNIC_INTR_UNMASK_SHIFT 16 +#define VNIC_INTR_RESET_TIMER_SHIFT 17 + + u32 int_credit_return = (credits & 0xffff) | + (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) | + (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0); + + iowrite32(int_credit_return, &intr->ctrl->int_credit_return); +} + +static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) +{ + /* get and ack interrupt in one read (clear-and-ack-on-read) */ + return ioread32(legacy_pba); +} + +void vnic_intr_free(struct vnic_intr *intr); +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index); +void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion); +void vnic_intr_clean(struct vnic_intr *intr); + +#endif /* _VNIC_INTR_H_ */ diff --git a/drivers/net/enic/vnic_nic.h b/drivers/net/enic/vnic_nic.h new file mode 100644 index 000000000000..dadf26fae69a --- /dev/null +++ b/drivers/net/enic/vnic_nic.h @@ -0,0 +1,65 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_NIC_H_ +#define _VNIC_NIC_H_ + +#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0 +#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8) +#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8 +#define NIC_CFG_RSS_HASH_BITS (7UL << 16) +#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL +#define NIC_CFG_RSS_HASH_BITS_SHIFT 16 +#define NIC_CFG_RSS_BASE_CPU (7UL << 19) +#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL +#define NIC_CFG_RSS_BASE_CPU_SHIFT 19 +#define NIC_CFG_RSS_ENABLE (1UL << 22) +#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL +#define NIC_CFG_RSS_ENABLE_SHIFT 22 +#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23) +#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL +#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23 +#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24) +#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL +#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24 + +static inline void vnic_set_nic_cfg(u32 *nic_cfg, + u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, + u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en) +{ + *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) | + ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD) + << NIC_CFG_RSS_HASH_TYPE_SHIFT) | + ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD) + << NIC_CFG_RSS_HASH_BITS_SHIFT) | + ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD) + << NIC_CFG_RSS_BASE_CPU_SHIFT) | + ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD) + << NIC_CFG_RSS_ENABLE_SHIFT) | + ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD) + << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) | + ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD) + << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT); +} + +#endif /* _VNIC_NIC_H_ */ diff --git a/drivers/net/enic/vnic_resource.h b/drivers/net/enic/vnic_resource.h new file mode 100644 index 000000000000..144d2812f081 --- /dev/null +++ b/drivers/net/enic/vnic_resource.h @@ -0,0 +1,63 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_RESOURCE_H_ +#define _VNIC_RESOURCE_H_ + +#define VNIC_RES_MAGIC 0x766E6963L /* 'vnic' */ +#define VNIC_RES_VERSION 0x00000000L + +/* vNIC resource types */ +enum vnic_res_type { + RES_TYPE_EOL, /* End-of-list */ + RES_TYPE_WQ, /* Work queues */ + RES_TYPE_RQ, /* Receive queues */ + RES_TYPE_CQ, /* Completion queues */ + RES_TYPE_RSVD1, + RES_TYPE_NIC_CFG, /* Enet NIC config registers */ + RES_TYPE_RSVD2, + RES_TYPE_RSVD3, + RES_TYPE_RSVD4, + RES_TYPE_RSVD5, + RES_TYPE_INTR_CTRL, /* Interrupt ctrl table */ + RES_TYPE_INTR_TABLE, /* MSI/MSI-X Interrupt table */ + RES_TYPE_INTR_PBA, /* MSI/MSI-X PBA table */ + RES_TYPE_INTR_PBA_LEGACY, /* Legacy intr status, r2c */ + RES_TYPE_RSVD6, + RES_TYPE_RSVD7, + RES_TYPE_DEVCMD, /* Device command region */ + RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */ + + RES_TYPE_MAX, /* Count of resource types */ +}; + +struct vnic_resource_header { + u32 magic; + u32 version; +}; + +struct vnic_resource { + u8 type; + u8 bar; + u8 pad[2]; + u32 bar_offset; + u32 count; +}; + +#endif /* _VNIC_RESOURCE_H_ */ diff --git a/drivers/net/enic/vnic_rq.c b/drivers/net/enic/vnic_rq.c new file mode 100644 index 000000000000..9365e63e821a --- /dev/null +++ b/drivers/net/enic/vnic_rq.c @@ -0,0 +1,199 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include + +#include "vnic_dev.h" +#include "vnic_rq.h" + +static int vnic_rq_alloc_bufs(struct vnic_rq *rq) +{ + struct vnic_rq_buf *buf; + struct vnic_dev *vdev; + unsigned int i, j, count = rq->ring.desc_count; + unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count); + + vdev = rq->vdev; + + for (i = 0; i < blks; i++) { + rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ, GFP_ATOMIC); + if (!rq->bufs[i]) { + printk(KERN_ERR "Failed to alloc rq_bufs\n"); + return -ENOMEM; + } + } + + for (i = 0; i < blks; i++) { + buf = rq->bufs[i]; + for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES; j++) { + buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES + j; + buf->desc = (u8 *)rq->ring.descs + + rq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = rq->bufs[0]; + break; + } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES) { + buf->next = rq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + rq->to_use = rq->to_clean = rq->bufs[0]; + rq->buf_index = 0; + + return 0; +} + +void vnic_rq_free(struct vnic_rq *rq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = rq->vdev; + + vnic_dev_free_desc_ring(vdev, &rq->ring); + + for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) { + kfree(rq->bufs[i]); + rq->bufs[i] = NULL; + } + + rq->ctrl = NULL; +} + +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + rq->index = index; + rq->vdev = vdev; + + rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index); + if (!rq->ctrl) { + printk(KERN_ERR "Failed to hook RQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_rq_disable(rq); + + err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size); + if (err) + return err; + + err = vnic_rq_alloc_bufs(rq); + if (err) { + vnic_rq_free(rq); + return err; + } + + return 0; +} + +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + u32 fetch_index; + + paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &rq->ctrl->ring_base); + iowrite32(rq->ring.desc_count, &rq->ctrl->ring_size); + iowrite32(cq_index, &rq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset); + iowrite32(0, &rq->ctrl->dropped_packet_count); + iowrite32(0, &rq->ctrl->error_status); + + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES]; + iowrite32(fetch_index, &rq->ctrl->posted_index); + + rq->buf_index = 0; +} + +unsigned int vnic_rq_error_status(struct vnic_rq *rq) +{ + return ioread32(&rq->ctrl->error_status); +} + +void vnic_rq_enable(struct vnic_rq *rq) +{ + iowrite32(1, &rq->ctrl->enable); +} + +int vnic_rq_disable(struct vnic_rq *rq) +{ + unsigned int wait; + + iowrite32(0, &rq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 100; wait++) { + if (!(ioread32(&rq->ctrl->running))) + return 0; + udelay(1); + } + + printk(KERN_ERR "Failed to disable RQ[%d]\n", rq->index); + + return -ETIMEDOUT; +} + +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)) +{ + struct vnic_rq_buf *buf; + u32 fetch_index; + + BUG_ON(ioread32(&rq->ctrl->enable)); + + buf = rq->to_clean; + + while (vnic_rq_desc_used(rq) > 0) { + + (*buf_clean)(rq, buf); + + buf = rq->to_clean = buf->next; + rq->ring.desc_avail++; + } + + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES]; + iowrite32(fetch_index, &rq->ctrl->posted_index); + + rq->buf_index = 0; + + vnic_dev_clear_desc_ring(&rq->ring); +} + diff --git a/drivers/net/enic/vnic_rq.h b/drivers/net/enic/vnic_rq.h new file mode 100644 index 000000000000..82bfca67cc4d --- /dev/null +++ b/drivers/net/enic/vnic_rq.h @@ -0,0 +1,204 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_RQ_H_ +#define _VNIC_RQ_H_ + +#include + +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* Receive queue control */ +struct vnic_rq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 error_interrupt_enable; /* 0x38 */ + u32 pad6; + u32 error_interrupt_offset; /* 0x40 */ + u32 pad7; + u32 error_status; /* 0x48 */ + u32 pad8; + u32 dropped_packet_count; /* 0x50 */ + u32 pad9; + u32 dropped_packet_count_rc; /* 0x58 */ + u32 pad10; +}; + +/* Break the vnic_rq_buf allocations into blocks of 64 entries */ +#define VNIC_RQ_BUF_BLK_ENTRIES 64 +#define VNIC_RQ_BUF_BLK_SZ \ + (VNIC_RQ_BUF_BLK_ENTRIES * sizeof(struct vnic_rq_buf)) +#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES) +#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096) + +struct vnic_rq_buf { + struct vnic_rq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int os_buf_index; + unsigned int len; + unsigned int index; + void *desc; +}; + +struct vnic_rq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX]; + struct vnic_rq_buf *to_use; + struct vnic_rq_buf *to_clean; + void *os_buf_head; + unsigned int buf_index; + unsigned int pkts_outstanding; +}; + +static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq) +{ + /* how many does SW own? */ + return rq->ring.desc_avail; +} + +static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq) +{ + /* how many does HW own? */ + return rq->ring.desc_count - rq->ring.desc_avail - 1; +} + +static inline void *vnic_rq_next_desc(struct vnic_rq *rq) +{ + return rq->to_use->desc; +} + +static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq) +{ + return rq->to_use->index; +} + +static inline unsigned int vnic_rq_next_buf_index(struct vnic_rq *rq) +{ + return rq->buf_index++; +} + +static inline void vnic_rq_post(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len) +{ + struct vnic_rq_buf *buf = rq->to_use; + + buf->os_buf = os_buf; + buf->os_buf_index = os_buf_index; + buf->dma_addr = dma_addr; + buf->len = len; + + buf = buf->next; + rq->to_use = buf; + rq->ring.desc_avail--; + + /* Move the posted_index every nth descriptor + */ + +#ifndef VNIC_RQ_RETURN_RATE +#define VNIC_RQ_RETURN_RATE 0xf /* keep 2^n - 1 */ +#endif + + if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) + iowrite32(buf->index, &rq->ctrl->posted_index); +} + +static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count) +{ + rq->ring.desc_avail += count; +} + +enum desc_return_options { + VNIC_RQ_RETURN_DESC, + VNIC_RQ_DEFER_RETURN_DESC, +}; + +static inline void vnic_rq_service(struct vnic_rq *rq, + struct cq_desc *cq_desc, u16 completed_index, + int desc_return, void (*buf_service)(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque), void *opaque) +{ + struct vnic_rq_buf *buf; + int skipped; + + buf = rq->to_clean; + while (1) { + + skipped = (buf->index != completed_index); + + (*buf_service)(rq, cq_desc, buf, skipped, opaque); + + if (desc_return == VNIC_RQ_RETURN_DESC) + rq->ring.desc_avail++; + + rq->to_clean = buf->next; + + if (!skipped) + break; + + buf = rq->to_clean; + } +} + +static inline int vnic_rq_fill(struct vnic_rq *rq, + int (*buf_fill)(struct vnic_rq *rq)) +{ + int err; + + while (vnic_rq_desc_avail(rq) > 1) { + + err = (*buf_fill)(rq); + if (err) + return err; + } + + return 0; +} + +void vnic_rq_free(struct vnic_rq *rq); +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +unsigned int vnic_rq_error_status(struct vnic_rq *rq); +void vnic_rq_enable(struct vnic_rq *rq); +int vnic_rq_disable(struct vnic_rq *rq); +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)); + +#endif /* _VNIC_RQ_H_ */ diff --git a/drivers/net/enic/vnic_rss.h b/drivers/net/enic/vnic_rss.h new file mode 100644 index 000000000000..e325d65d7c34 --- /dev/null +++ b/drivers/net/enic/vnic_rss.h @@ -0,0 +1,32 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + */ + +#ifndef _VNIC_RSS_H_ +#define _VNIC_RSS_H_ + +/* RSS key array */ +union vnic_rss_key { + struct { + u8 b[10]; + u8 b_pad[6]; + } key[4]; + u64 raw[8]; +}; + +/* RSS cpu array */ +union vnic_rss_cpu { + struct { + u8 b[4] ; + u8 b_pad[4]; + } cpu[32]; + u64 raw[32]; +}; + +void vnic_set_rss_key(union vnic_rss_key *rss_key, u8 *key); +void vnic_set_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); +void vnic_get_rss_key(union vnic_rss_key *rss_key, u8 *key); +void vnic_get_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); + +#endif /* _VNIC_RSS_H_ */ diff --git a/drivers/net/enic/vnic_stats.h b/drivers/net/enic/vnic_stats.h new file mode 100644 index 000000000000..9ff9614d89b1 --- /dev/null +++ b/drivers/net/enic/vnic_stats.h @@ -0,0 +1,70 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_STATS_H_ +#define _VNIC_STATS_H_ + +/* Tx statistics */ +struct vnic_tx_stats { + u64 tx_frames_ok; + u64 tx_unicast_frames_ok; + u64 tx_multicast_frames_ok; + u64 tx_broadcast_frames_ok; + u64 tx_bytes_ok; + u64 tx_unicast_bytes_ok; + u64 tx_multicast_bytes_ok; + u64 tx_broadcast_bytes_ok; + u64 tx_drops; + u64 tx_errors; + u64 tx_tso; + u64 rsvd[16]; +}; + +/* Rx statistics */ +struct vnic_rx_stats { + u64 rx_frames_ok; + u64 rx_frames_total; + u64 rx_unicast_frames_ok; + u64 rx_multicast_frames_ok; + u64 rx_broadcast_frames_ok; + u64 rx_bytes_ok; + u64 rx_unicast_bytes_ok; + u64 rx_multicast_bytes_ok; + u64 rx_broadcast_bytes_ok; + u64 rx_drop; + u64 rx_no_bufs; + u64 rx_errors; + u64 rx_rss; + u64 rx_crc_errors; + u64 rx_frames_64; + u64 rx_frames_127; + u64 rx_frames_255; + u64 rx_frames_511; + u64 rx_frames_1023; + u64 rx_frames_1518; + u64 rx_frames_to_max; + u64 rsvd[16]; +}; + +struct vnic_stats { + struct vnic_tx_stats tx; + struct vnic_rx_stats rx; +}; + +#endif /* _VNIC_STATS_H_ */ diff --git a/drivers/net/enic/vnic_wq.c b/drivers/net/enic/vnic_wq.c new file mode 100644 index 000000000000..a576d04708ef --- /dev/null +++ b/drivers/net/enic/vnic_wq.c @@ -0,0 +1,184 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include +#include +#include +#include +#include + +#include "vnic_dev.h" +#include "vnic_wq.h" + +static int vnic_wq_alloc_bufs(struct vnic_wq *wq) +{ + struct vnic_wq_buf *buf; + struct vnic_dev *vdev; + unsigned int i, j, count = wq->ring.desc_count; + unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count); + + vdev = wq->vdev; + + for (i = 0; i < blks; i++) { + wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ, GFP_ATOMIC); + if (!wq->bufs[i]) { + printk(KERN_ERR "Failed to alloc wq_bufs\n"); + return -ENOMEM; + } + } + + for (i = 0; i < blks; i++) { + buf = wq->bufs[i]; + for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES; j++) { + buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES + j; + buf->desc = (u8 *)wq->ring.descs + + wq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = wq->bufs[0]; + break; + } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES) { + buf->next = wq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + return 0; +} + +void vnic_wq_free(struct vnic_wq *wq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = wq->vdev; + + vnic_dev_free_desc_ring(vdev, &wq->ring); + + for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) { + kfree(wq->bufs[i]); + wq->bufs[i] = NULL; + } + + wq->ctrl = NULL; +} + +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + wq->index = index; + wq->vdev = vdev; + + wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index); + if (!wq->ctrl) { + printk(KERN_ERR "Failed to hook WQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_wq_disable(wq); + + err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size); + if (err) + return err; + + err = vnic_wq_alloc_bufs(wq); + if (err) { + vnic_wq_free(wq); + return err; + } + + return 0; +} + +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + + paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &wq->ctrl->ring_base); + iowrite32(wq->ring.desc_count, &wq->ctrl->ring_size); + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(cq_index, &wq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); + iowrite32(0, &wq->ctrl->error_status); +} + +unsigned int vnic_wq_error_status(struct vnic_wq *wq) +{ + return ioread32(&wq->ctrl->error_status); +} + +void vnic_wq_enable(struct vnic_wq *wq) +{ + iowrite32(1, &wq->ctrl->enable); +} + +int vnic_wq_disable(struct vnic_wq *wq) +{ + unsigned int wait; + + iowrite32(0, &wq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 100; wait++) { + if (!(ioread32(&wq->ctrl->running))) + return 0; + udelay(1); + } + + printk(KERN_ERR "Failed to disable WQ[%d]\n", wq->index); + + return -ETIMEDOUT; +} + +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)) +{ + struct vnic_wq_buf *buf; + + BUG_ON(ioread32(&wq->ctrl->enable)); + + buf = wq->to_clean; + + while (vnic_wq_desc_used(wq) > 0) { + + (*buf_clean)(wq, buf); + + buf = wq->to_clean = buf->next; + wq->ring.desc_avail++; + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(0, &wq->ctrl->error_status); + + vnic_dev_clear_desc_ring(&wq->ring); +} diff --git a/drivers/net/enic/vnic_wq.h b/drivers/net/enic/vnic_wq.h new file mode 100644 index 000000000000..7081828d8a42 --- /dev/null +++ b/drivers/net/enic/vnic_wq.h @@ -0,0 +1,154 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _VNIC_WQ_H_ +#define _VNIC_WQ_H_ + +#include + +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* Work queue control */ +struct vnic_wq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 dca_value; /* 0x38 */ + u32 pad6; + u32 error_interrupt_enable; /* 0x40 */ + u32 pad7; + u32 error_interrupt_offset; /* 0x48 */ + u32 pad8; + u32 error_status; /* 0x50 */ + u32 pad9; +}; + +struct vnic_wq_buf { + struct vnic_wq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int len; + unsigned int index; + int sop; + void *desc; +}; + +/* Break the vnic_wq_buf allocations into blocks of 64 entries */ +#define VNIC_WQ_BUF_BLK_ENTRIES 64 +#define VNIC_WQ_BUF_BLK_SZ \ + (VNIC_WQ_BUF_BLK_ENTRIES * sizeof(struct vnic_wq_buf)) +#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES) +#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096) + +struct vnic_wq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX]; + struct vnic_wq_buf *to_use; + struct vnic_wq_buf *to_clean; + unsigned int pkts_outstanding; +}; + +static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) +{ + /* how many does SW own? */ + return wq->ring.desc_avail; +} + +static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) +{ + /* how many does HW own? */ + return wq->ring.desc_count - wq->ring.desc_avail - 1; +} + +static inline void *vnic_wq_next_desc(struct vnic_wq *wq) +{ + return wq->to_use->desc; +} + +static inline void vnic_wq_post(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, + unsigned int len, int sop, int eop) +{ + struct vnic_wq_buf *buf = wq->to_use; + + buf->sop = sop; + buf->os_buf = eop ? os_buf : NULL; + buf->dma_addr = dma_addr; + buf->len = len; + + buf = buf->next; + if (eop) + iowrite32(buf->index, &wq->ctrl->posted_index); + wq->to_use = buf; + + wq->ring.desc_avail--; +} + +static inline void vnic_wq_service(struct vnic_wq *wq, + struct cq_desc *cq_desc, u16 completed_index, + void (*buf_service)(struct vnic_wq *wq, + struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque), + void *opaque) +{ + struct vnic_wq_buf *buf; + + buf = wq->to_clean; + while (1) { + + (*buf_service)(wq, cq_desc, buf, opaque); + + wq->ring.desc_avail++; + + wq->to_clean = buf->next; + + if (buf->index == completed_index) + break; + + buf = wq->to_clean; + } +} + +void vnic_wq_free(struct vnic_wq *wq); +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +unsigned int vnic_wq_error_status(struct vnic_wq *wq); +void vnic_wq_enable(struct vnic_wq *wq); +int vnic_wq_disable(struct vnic_wq *wq); +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)); + +#endif /* _VNIC_WQ_H_ */ diff --git a/drivers/net/enic/wq_enet_desc.h b/drivers/net/enic/wq_enet_desc.h new file mode 100644 index 000000000000..483596c2d8bf --- /dev/null +++ b/drivers/net/enic/wq_enet_desc.h @@ -0,0 +1,98 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _WQ_ENET_DESC_H_ +#define _WQ_ENET_DESC_H_ + +/* Ethernet work queue descriptor: 16B */ +struct wq_enet_desc { + __le64 address; + __le16 length; + __le16 mss_loopback; + __le16 header_length_flags; + __le16 vlan_tag; +}; + +#define WQ_ENET_ADDR_BITS 64 +#define WQ_ENET_LEN_BITS 14 +#define WQ_ENET_LEN_MASK ((1 << WQ_ENET_LEN_BITS) - 1) +#define WQ_ENET_MSS_BITS 14 +#define WQ_ENET_MSS_MASK ((1 << WQ_ENET_MSS_BITS) - 1) +#define WQ_ENET_MSS_SHIFT 2 +#define WQ_ENET_LOOPBACK_SHIFT 1 +#define WQ_ENET_HDRLEN_BITS 10 +#define WQ_ENET_HDRLEN_MASK ((1 << WQ_ENET_HDRLEN_BITS) - 1) +#define WQ_ENET_FLAGS_OM_BITS 2 +#define WQ_ENET_FLAGS_OM_MASK ((1 << WQ_ENET_FLAGS_OM_BITS) - 1) +#define WQ_ENET_FLAGS_EOP_SHIFT 12 +#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT 13 +#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT 14 +#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT 15 + +#define WQ_ENET_OFFLOAD_MODE_CSUM 0 +#define WQ_ENET_OFFLOAD_MODE_RESERVED 1 +#define WQ_ENET_OFFLOAD_MODE_CSUM_L4 2 +#define WQ_ENET_OFFLOAD_MODE_TSO 3 + +static inline void wq_enet_desc_enc(struct wq_enet_desc *desc, + u64 address, u16 length, u16 mss, u16 header_length, + u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap, + u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) +{ + desc->address = cpu_to_le64(address); + desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK); + desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << + WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); + desc->header_length_flags = cpu_to_le16( + (header_length & WQ_ENET_HDRLEN_MASK) | + (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS | + (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT | + (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT | + (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT | + (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT); + desc->vlan_tag = cpu_to_le16(vlan_tag); +} + +static inline void wq_enet_desc_dec(struct wq_enet_desc *desc, + u64 *address, u16 *length, u16 *mss, u16 *header_length, + u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap, + u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK; + *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & + WQ_ENET_MSS_MASK; + *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> + WQ_ENET_LOOPBACK_SHIFT) & 1); + *header_length = le16_to_cpu(desc->header_length_flags) & + WQ_ENET_HDRLEN_MASK; + *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK); + *eop = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_EOP_SHIFT) & 1); + *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1); + *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1); + *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1); + *vlan_tag = le16_to_cpu(desc->vlan_tag); +} + +#endif /* _WQ_ENET_DESC_H_ */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 90a132ab84a6..6f4276d461c0 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1411,6 +1411,8 @@ #define PCI_DEVICE_ID_EICON_MAESTRAQ_U 0xe013 #define PCI_DEVICE_ID_EICON_MAESTRAP 0xe014 +#define PCI_VENDOR_ID_CISCO 0x1137 + #define PCI_VENDOR_ID_ZIATECH 0x1138 #define PCI_DEVICE_ID_ZIATECH_5550_HC 0x5550 -- GitLab From 95252236e73e789dd186ce796a2abc60b3a61ebe Mon Sep 17 00:00:00 2001 From: Guo-Fu Tseng Date: Tue, 16 Sep 2008 01:00:11 +0800 Subject: [PATCH 1879/6244] jme: JMicron Gigabit Ethernet Driver Supporting JMC250, and JMC260. Signed-off-by: Guo-Fu Tseng Acked-and-tested-by: Ethan Hsiao Signed-off-by: Jeff Garzik --- MAINTAINERS | 6 + drivers/net/Kconfig | 12 + drivers/net/Makefile | 1 + drivers/net/jme.c | 3019 ++++++++++++++++++++++++++++++++++++++++++ drivers/net/jme.h | 1199 +++++++++++++++++ 5 files changed, 4237 insertions(+) create mode 100644 drivers/net/jme.c create mode 100644 drivers/net/jme.h diff --git a/MAINTAINERS b/MAINTAINERS index 467f994b1fa0..c8203d780f0b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2326,6 +2326,12 @@ L: video4linux-list@redhat.com W: http://www.ivtvdriver.org S: Maintained +JME NETWORK DRIVER +P: Guo-Fu Tseng +M: cooldavid@cooldavid.org +L: netdev@vger.kernel.org +S: Maintained + JOURNALLING FLASH FILE SYSTEM V2 (JFFS2) P: David Woodhouse M: dwmw2@infradead.org diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 5c012cd8fe3d..069755af761f 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2313,6 +2313,18 @@ config ATL1E To compile this driver as a module, choose M here. The module will be called atl1e. +config JME + tristate "JMicron(R) PCI-Express Gigabit Ethernet support" + depends on PCI + select CRC32 + select MII + ---help--- + This driver supports the PCI-Express gigabit ethernet adapters + based on JMicron JMC250 chipset. + + To compile this driver as a module, choose M here. The module + will be called jme. + endif # NETDEV_1000 # diff --git a/drivers/net/Makefile b/drivers/net/Makefile index d4ec6ba7f073..016e23f000ee 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_ATL1E) += atl1e/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o obj-$(CONFIG_TEHUTI) += tehuti.o obj-$(CONFIG_ENIC) += enic/ +obj-$(CONFIG_JME) += jme.o gianfar_driver-objs := gianfar.o \ gianfar_ethtool.o \ diff --git a/drivers/net/jme.c b/drivers/net/jme.c new file mode 100644 index 000000000000..f292df557544 --- /dev/null +++ b/drivers/net/jme.c @@ -0,0 +1,3019 @@ +/* + * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver + * + * Copyright 2008 JMicron Technology Corporation + * http://www.jmicron.com/ + * + * Author: Guo-Fu Tseng + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "jme.h" + +static int force_pseudohp = -1; +static int no_pseudohp = -1; +static int no_extplug = -1; +module_param(force_pseudohp, int, 0); +MODULE_PARM_DESC(force_pseudohp, + "Enable pseudo hot-plug feature manually by driver instead of BIOS."); +module_param(no_pseudohp, int, 0); +MODULE_PARM_DESC(no_pseudohp, "Disable pseudo hot-plug feature."); +module_param(no_extplug, int, 0); +MODULE_PARM_DESC(no_extplug, + "Do not use external plug signal for pseudo hot-plug."); + +static int +jme_mdio_read(struct net_device *netdev, int phy, int reg) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int i, val, again = (reg == MII_BMSR) ? 1 : 0; + +read_again: + jwrite32(jme, JME_SMI, SMI_OP_REQ | + smi_phy_addr(phy) | + smi_reg_addr(reg)); + + wmb(); + for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { + udelay(20); + val = jread32(jme, JME_SMI); + if ((val & SMI_OP_REQ) == 0) + break; + } + + if (i == 0) { + jeprintk(jme->pdev, "phy(%d) read timeout : %d\n", phy, reg); + return 0; + } + + if (again--) + goto read_again; + + return (val & SMI_DATA_MASK) >> SMI_DATA_SHIFT; +} + +static void +jme_mdio_write(struct net_device *netdev, + int phy, int reg, int val) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int i; + + jwrite32(jme, JME_SMI, SMI_OP_WRITE | SMI_OP_REQ | + ((val << SMI_DATA_SHIFT) & SMI_DATA_MASK) | + smi_phy_addr(phy) | smi_reg_addr(reg)); + + wmb(); + for (i = JME_PHY_TIMEOUT * 50 ; i > 0 ; --i) { + udelay(20); + if ((jread32(jme, JME_SMI) & SMI_OP_REQ) == 0) + break; + } + + if (i == 0) + jeprintk(jme->pdev, "phy(%d) write timeout : %d\n", phy, reg); + + return; +} + +static inline void +jme_reset_phy_processor(struct jme_adapter *jme) +{ + u32 val; + + jme_mdio_write(jme->dev, + jme->mii_if.phy_id, + MII_ADVERTISE, ADVERTISE_ALL | + ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + + if (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) + jme_mdio_write(jme->dev, + jme->mii_if.phy_id, + MII_CTRL1000, + ADVERTISE_1000FULL | ADVERTISE_1000HALF); + + val = jme_mdio_read(jme->dev, + jme->mii_if.phy_id, + MII_BMCR); + + jme_mdio_write(jme->dev, + jme->mii_if.phy_id, + MII_BMCR, val | BMCR_RESET); + + return; +} + +static void +jme_setup_wakeup_frame(struct jme_adapter *jme, + u32 *mask, u32 crc, int fnr) +{ + int i; + + /* + * Setup CRC pattern + */ + jwrite32(jme, JME_WFOI, WFOI_CRC_SEL | (fnr & WFOI_FRAME_SEL)); + wmb(); + jwrite32(jme, JME_WFODP, crc); + wmb(); + + /* + * Setup Mask + */ + for (i = 0 ; i < WAKEUP_FRAME_MASK_DWNR ; ++i) { + jwrite32(jme, JME_WFOI, + ((i << WFOI_MASK_SHIFT) & WFOI_MASK_SEL) | + (fnr & WFOI_FRAME_SEL)); + wmb(); + jwrite32(jme, JME_WFODP, mask[i]); + wmb(); + } +} + +static inline void +jme_reset_mac_processor(struct jme_adapter *jme) +{ + u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0}; + u32 crc = 0xCDCDCDCD; + u32 gpreg0; + int i; + + jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); + udelay(2); + jwrite32(jme, JME_GHC, jme->reg_ghc); + + jwrite32(jme, JME_RXDBA_LO, 0x00000000); + jwrite32(jme, JME_RXDBA_HI, 0x00000000); + jwrite32(jme, JME_RXQDC, 0x00000000); + jwrite32(jme, JME_RXNDA, 0x00000000); + jwrite32(jme, JME_TXDBA_LO, 0x00000000); + jwrite32(jme, JME_TXDBA_HI, 0x00000000); + jwrite32(jme, JME_TXQDC, 0x00000000); + jwrite32(jme, JME_TXNDA, 0x00000000); + + jwrite32(jme, JME_RXMCHT_LO, 0x00000000); + jwrite32(jme, JME_RXMCHT_HI, 0x00000000); + for (i = 0 ; i < WAKEUP_FRAME_NR ; ++i) + jme_setup_wakeup_frame(jme, mask, crc, i); + if (jme->fpgaver) + gpreg0 = GPREG0_DEFAULT | GPREG0_LNKINTPOLL; + else + gpreg0 = GPREG0_DEFAULT; + jwrite32(jme, JME_GPREG0, gpreg0); + jwrite32(jme, JME_GPREG1, 0); +} + +static inline void +jme_reset_ghc_speed(struct jme_adapter *jme) +{ + jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX); + jwrite32(jme, JME_GHC, jme->reg_ghc); +} + +static inline void +jme_clear_pm(struct jme_adapter *jme) +{ + jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); + pci_set_power_state(jme->pdev, PCI_D0); + pci_enable_wake(jme->pdev, PCI_D0, false); +} + +static int +jme_reload_eeprom(struct jme_adapter *jme) +{ + u32 val; + int i; + + val = jread32(jme, JME_SMBCSR); + + if (val & SMBCSR_EEPROMD) { + val |= SMBCSR_CNACK; + jwrite32(jme, JME_SMBCSR, val); + val |= SMBCSR_RELOAD; + jwrite32(jme, JME_SMBCSR, val); + mdelay(12); + + for (i = JME_EEPROM_RELOAD_TIMEOUT; i > 0; --i) { + mdelay(1); + if ((jread32(jme, JME_SMBCSR) & SMBCSR_RELOAD) == 0) + break; + } + + if (i == 0) { + jeprintk(jme->pdev, "eeprom reload timeout\n"); + return -EIO; + } + } + + return 0; +} + +static void +jme_load_macaddr(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + unsigned char macaddr[6]; + u32 val; + + spin_lock_bh(&jme->macaddr_lock); + val = jread32(jme, JME_RXUMA_LO); + macaddr[0] = (val >> 0) & 0xFF; + macaddr[1] = (val >> 8) & 0xFF; + macaddr[2] = (val >> 16) & 0xFF; + macaddr[3] = (val >> 24) & 0xFF; + val = jread32(jme, JME_RXUMA_HI); + macaddr[4] = (val >> 0) & 0xFF; + macaddr[5] = (val >> 8) & 0xFF; + memcpy(netdev->dev_addr, macaddr, 6); + spin_unlock_bh(&jme->macaddr_lock); +} + +static inline void +jme_set_rx_pcc(struct jme_adapter *jme, int p) +{ + switch (p) { + case PCC_OFF: + jwrite32(jme, JME_PCCRX0, + ((PCC_OFF_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | + ((PCC_OFF_CNT << PCCRX_SHIFT) & PCCRX_MASK)); + break; + case PCC_P1: + jwrite32(jme, JME_PCCRX0, + ((PCC_P1_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | + ((PCC_P1_CNT << PCCRX_SHIFT) & PCCRX_MASK)); + break; + case PCC_P2: + jwrite32(jme, JME_PCCRX0, + ((PCC_P2_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | + ((PCC_P2_CNT << PCCRX_SHIFT) & PCCRX_MASK)); + break; + case PCC_P3: + jwrite32(jme, JME_PCCRX0, + ((PCC_P3_TO << PCCRXTO_SHIFT) & PCCRXTO_MASK) | + ((PCC_P3_CNT << PCCRX_SHIFT) & PCCRX_MASK)); + break; + default: + break; + } + wmb(); + + if (!(test_bit(JME_FLAG_POLL, &jme->flags))) + msg_rx_status(jme, "Switched to PCC_P%d\n", p); +} + +static void +jme_start_irq(struct jme_adapter *jme) +{ + register struct dynpcc_info *dpi = &(jme->dpi); + + jme_set_rx_pcc(jme, PCC_P1); + dpi->cur = PCC_P1; + dpi->attempt = PCC_P1; + dpi->cnt = 0; + + jwrite32(jme, JME_PCCTX, + ((PCC_TX_TO << PCCTXTO_SHIFT) & PCCTXTO_MASK) | + ((PCC_TX_CNT << PCCTX_SHIFT) & PCCTX_MASK) | + PCCTXQ0_EN + ); + + /* + * Enable Interrupts + */ + jwrite32(jme, JME_IENS, INTR_ENABLE); +} + +static inline void +jme_stop_irq(struct jme_adapter *jme) +{ + /* + * Disable Interrupts + */ + jwrite32f(jme, JME_IENC, INTR_ENABLE); +} + +static inline void +jme_enable_shadow(struct jme_adapter *jme) +{ + jwrite32(jme, + JME_SHBA_LO, + ((u32)jme->shadow_dma & ~((u32)0x1F)) | SHBA_POSTEN); +} + +static inline void +jme_disable_shadow(struct jme_adapter *jme) +{ + jwrite32(jme, JME_SHBA_LO, 0x0); +} + +static u32 +jme_linkstat_from_phy(struct jme_adapter *jme) +{ + u32 phylink, bmsr; + + phylink = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 17); + bmsr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMSR); + if (bmsr & BMSR_ANCOMP) + phylink |= PHY_LINK_AUTONEG_COMPLETE; + + return phylink; +} + +static inline void +jme_set_phyfifoa(struct jme_adapter *jme) +{ + jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); +} + +static inline void +jme_set_phyfifob(struct jme_adapter *jme) +{ + jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000); +} + +static int +jme_check_link(struct net_device *netdev, int testonly) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr; + char linkmsg[64]; + int rc = 0; + + linkmsg[0] = '\0'; + + if (jme->fpgaver) + phylink = jme_linkstat_from_phy(jme); + else + phylink = jread32(jme, JME_PHY_LINK); + + if (phylink & PHY_LINK_UP) { + if (!(phylink & PHY_LINK_AUTONEG_COMPLETE)) { + /* + * If we did not enable AN + * Speed/Duplex Info should be obtained from SMI + */ + phylink = PHY_LINK_UP; + + bmcr = jme_mdio_read(jme->dev, + jme->mii_if.phy_id, + MII_BMCR); + + phylink |= ((bmcr & BMCR_SPEED1000) && + (bmcr & BMCR_SPEED100) == 0) ? + PHY_LINK_SPEED_1000M : + (bmcr & BMCR_SPEED100) ? + PHY_LINK_SPEED_100M : + PHY_LINK_SPEED_10M; + + phylink |= (bmcr & BMCR_FULLDPLX) ? + PHY_LINK_DUPLEX : 0; + + strcat(linkmsg, "Forced: "); + } else { + /* + * Keep polling for speed/duplex resolve complete + */ + while (!(phylink & PHY_LINK_SPEEDDPU_RESOLVED) && + --cnt) { + + udelay(1); + + if (jme->fpgaver) + phylink = jme_linkstat_from_phy(jme); + else + phylink = jread32(jme, JME_PHY_LINK); + } + if (!cnt) + jeprintk(jme->pdev, + "Waiting speed resolve timeout.\n"); + + strcat(linkmsg, "ANed: "); + } + + if (jme->phylink == phylink) { + rc = 1; + goto out; + } + if (testonly) + goto out; + + jme->phylink = phylink; + + ghc = jme->reg_ghc & ~(GHC_SPEED_10M | + GHC_SPEED_100M | + GHC_SPEED_1000M | + GHC_DPX); + switch (phylink & PHY_LINK_SPEED_MASK) { + case PHY_LINK_SPEED_10M: + ghc |= GHC_SPEED_10M; + strcat(linkmsg, "10 Mbps, "); + if (is_buggy250(jme->pdev->device, jme->chiprev)) + jme_set_phyfifoa(jme); + break; + case PHY_LINK_SPEED_100M: + ghc |= GHC_SPEED_100M; + strcat(linkmsg, "100 Mbps, "); + if (is_buggy250(jme->pdev->device, jme->chiprev)) + jme_set_phyfifob(jme); + break; + case PHY_LINK_SPEED_1000M: + ghc |= GHC_SPEED_1000M; + strcat(linkmsg, "1000 Mbps, "); + if (is_buggy250(jme->pdev->device, jme->chiprev)) + jme_set_phyfifoa(jme); + break; + default: + break; + } + ghc |= (phylink & PHY_LINK_DUPLEX) ? GHC_DPX : 0; + + strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ? + "Full-Duplex, " : + "Half-Duplex, "); + + if (phylink & PHY_LINK_MDI_STAT) + strcat(linkmsg, "MDI-X"); + else + strcat(linkmsg, "MDI"); + + if (phylink & PHY_LINK_DUPLEX) { + jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); + } else { + jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | + TXMCS_BACKOFF | + TXMCS_CARRIERSENSE | + TXMCS_COLLISION); + jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | + ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | + TXTRHD_TXREN | + ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); + } + + jme->reg_ghc = ghc; + jwrite32(jme, JME_GHC, ghc); + + msg_link(jme, "Link is up at %s.\n", linkmsg); + netif_carrier_on(netdev); + } else { + if (testonly) + goto out; + + msg_link(jme, "Link is down.\n"); + jme->phylink = 0; + netif_carrier_off(netdev); + } + +out: + return rc; +} + +static int +jme_setup_tx_resources(struct jme_adapter *jme) +{ + struct jme_ring *txring = &(jme->txring[0]); + + txring->alloc = dma_alloc_coherent(&(jme->pdev->dev), + TX_RING_ALLOC_SIZE(jme->tx_ring_size), + &(txring->dmaalloc), + GFP_ATOMIC); + + if (!txring->alloc) { + txring->desc = NULL; + txring->dmaalloc = 0; + txring->dma = 0; + return -ENOMEM; + } + + /* + * 16 Bytes align + */ + txring->desc = (void *)ALIGN((unsigned long)(txring->alloc), + RING_DESC_ALIGN); + txring->dma = ALIGN(txring->dmaalloc, RING_DESC_ALIGN); + txring->next_to_use = 0; + atomic_set(&txring->next_to_clean, 0); + atomic_set(&txring->nr_free, jme->tx_ring_size); + + /* + * Initialize Transmit Descriptors + */ + memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size)); + memset(txring->bufinf, 0, + sizeof(struct jme_buffer_info) * jme->tx_ring_size); + + return 0; +} + +static void +jme_free_tx_resources(struct jme_adapter *jme) +{ + int i; + struct jme_ring *txring = &(jme->txring[0]); + struct jme_buffer_info *txbi = txring->bufinf; + + if (txring->alloc) { + for (i = 0 ; i < jme->tx_ring_size ; ++i) { + txbi = txring->bufinf + i; + if (txbi->skb) { + dev_kfree_skb(txbi->skb); + txbi->skb = NULL; + } + txbi->mapping = 0; + txbi->len = 0; + txbi->nr_desc = 0; + txbi->start_xmit = 0; + } + + dma_free_coherent(&(jme->pdev->dev), + TX_RING_ALLOC_SIZE(jme->tx_ring_size), + txring->alloc, + txring->dmaalloc); + + txring->alloc = NULL; + txring->desc = NULL; + txring->dmaalloc = 0; + txring->dma = 0; + } + txring->next_to_use = 0; + atomic_set(&txring->next_to_clean, 0); + atomic_set(&txring->nr_free, 0); + +} + +static inline void +jme_enable_tx_engine(struct jme_adapter *jme) +{ + /* + * Select Queue 0 + */ + jwrite32(jme, JME_TXCS, TXCS_DEFAULT | TXCS_SELECT_QUEUE0); + wmb(); + + /* + * Setup TX Queue 0 DMA Bass Address + */ + jwrite32(jme, JME_TXDBA_LO, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); + jwrite32(jme, JME_TXDBA_HI, (__u64)(jme->txring[0].dma) >> 32); + jwrite32(jme, JME_TXNDA, (__u64)jme->txring[0].dma & 0xFFFFFFFFUL); + + /* + * Setup TX Descptor Count + */ + jwrite32(jme, JME_TXQDC, jme->tx_ring_size); + + /* + * Enable TX Engine + */ + wmb(); + jwrite32(jme, JME_TXCS, jme->reg_txcs | + TXCS_SELECT_QUEUE0 | + TXCS_ENABLE); + +} + +static inline void +jme_restart_tx_engine(struct jme_adapter *jme) +{ + /* + * Restart TX Engine + */ + jwrite32(jme, JME_TXCS, jme->reg_txcs | + TXCS_SELECT_QUEUE0 | + TXCS_ENABLE); +} + +static inline void +jme_disable_tx_engine(struct jme_adapter *jme) +{ + int i; + u32 val; + + /* + * Disable TX Engine + */ + jwrite32(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0); + wmb(); + + val = jread32(jme, JME_TXCS); + for (i = JME_TX_DISABLE_TIMEOUT ; (val & TXCS_ENABLE) && i > 0 ; --i) { + mdelay(1); + val = jread32(jme, JME_TXCS); + rmb(); + } + + if (!i) + jeprintk(jme->pdev, "Disable TX engine timeout.\n"); +} + +static void +jme_set_clean_rxdesc(struct jme_adapter *jme, int i) +{ + struct jme_ring *rxring = jme->rxring; + register struct rxdesc *rxdesc = rxring->desc; + struct jme_buffer_info *rxbi = rxring->bufinf; + rxdesc += i; + rxbi += i; + + rxdesc->dw[0] = 0; + rxdesc->dw[1] = 0; + rxdesc->desc1.bufaddrh = cpu_to_le32((__u64)rxbi->mapping >> 32); + rxdesc->desc1.bufaddrl = cpu_to_le32( + (__u64)rxbi->mapping & 0xFFFFFFFFUL); + rxdesc->desc1.datalen = cpu_to_le16(rxbi->len); + if (jme->dev->features & NETIF_F_HIGHDMA) + rxdesc->desc1.flags = RXFLAG_64BIT; + wmb(); + rxdesc->desc1.flags |= RXFLAG_OWN | RXFLAG_INT; +} + +static int +jme_make_new_rx_buf(struct jme_adapter *jme, int i) +{ + struct jme_ring *rxring = &(jme->rxring[0]); + struct jme_buffer_info *rxbi = rxring->bufinf + i; + struct sk_buff *skb; + + skb = netdev_alloc_skb(jme->dev, + jme->dev->mtu + RX_EXTRA_LEN); + if (unlikely(!skb)) + return -ENOMEM; + + rxbi->skb = skb; + rxbi->len = skb_tailroom(skb); + rxbi->mapping = pci_map_page(jme->pdev, + virt_to_page(skb->data), + offset_in_page(skb->data), + rxbi->len, + PCI_DMA_FROMDEVICE); + + return 0; +} + +static void +jme_free_rx_buf(struct jme_adapter *jme, int i) +{ + struct jme_ring *rxring = &(jme->rxring[0]); + struct jme_buffer_info *rxbi = rxring->bufinf; + rxbi += i; + + if (rxbi->skb) { + pci_unmap_page(jme->pdev, + rxbi->mapping, + rxbi->len, + PCI_DMA_FROMDEVICE); + dev_kfree_skb(rxbi->skb); + rxbi->skb = NULL; + rxbi->mapping = 0; + rxbi->len = 0; + } +} + +static void +jme_free_rx_resources(struct jme_adapter *jme) +{ + int i; + struct jme_ring *rxring = &(jme->rxring[0]); + + if (rxring->alloc) { + for (i = 0 ; i < jme->rx_ring_size ; ++i) + jme_free_rx_buf(jme, i); + + dma_free_coherent(&(jme->pdev->dev), + RX_RING_ALLOC_SIZE(jme->rx_ring_size), + rxring->alloc, + rxring->dmaalloc); + rxring->alloc = NULL; + rxring->desc = NULL; + rxring->dmaalloc = 0; + rxring->dma = 0; + } + rxring->next_to_use = 0; + atomic_set(&rxring->next_to_clean, 0); +} + +static int +jme_setup_rx_resources(struct jme_adapter *jme) +{ + int i; + struct jme_ring *rxring = &(jme->rxring[0]); + + rxring->alloc = dma_alloc_coherent(&(jme->pdev->dev), + RX_RING_ALLOC_SIZE(jme->rx_ring_size), + &(rxring->dmaalloc), + GFP_ATOMIC); + if (!rxring->alloc) { + rxring->desc = NULL; + rxring->dmaalloc = 0; + rxring->dma = 0; + return -ENOMEM; + } + + /* + * 16 Bytes align + */ + rxring->desc = (void *)ALIGN((unsigned long)(rxring->alloc), + RING_DESC_ALIGN); + rxring->dma = ALIGN(rxring->dmaalloc, RING_DESC_ALIGN); + rxring->next_to_use = 0; + atomic_set(&rxring->next_to_clean, 0); + + /* + * Initiallize Receive Descriptors + */ + for (i = 0 ; i < jme->rx_ring_size ; ++i) { + if (unlikely(jme_make_new_rx_buf(jme, i))) { + jme_free_rx_resources(jme); + return -ENOMEM; + } + + jme_set_clean_rxdesc(jme, i); + } + + return 0; +} + +static inline void +jme_enable_rx_engine(struct jme_adapter *jme) +{ + /* + * Select Queue 0 + */ + jwrite32(jme, JME_RXCS, jme->reg_rxcs | + RXCS_QUEUESEL_Q0); + wmb(); + + /* + * Setup RX DMA Bass Address + */ + jwrite32(jme, JME_RXDBA_LO, (__u64)jme->rxring[0].dma & 0xFFFFFFFFUL); + jwrite32(jme, JME_RXDBA_HI, (__u64)(jme->rxring[0].dma) >> 32); + jwrite32(jme, JME_RXNDA, (__u64)jme->rxring[0].dma & 0xFFFFFFFFUL); + + /* + * Setup RX Descriptor Count + */ + jwrite32(jme, JME_RXQDC, jme->rx_ring_size); + + /* + * Setup Unicast Filter + */ + jme_set_multi(jme->dev); + + /* + * Enable RX Engine + */ + wmb(); + jwrite32(jme, JME_RXCS, jme->reg_rxcs | + RXCS_QUEUESEL_Q0 | + RXCS_ENABLE | + RXCS_QST); +} + +static inline void +jme_restart_rx_engine(struct jme_adapter *jme) +{ + /* + * Start RX Engine + */ + jwrite32(jme, JME_RXCS, jme->reg_rxcs | + RXCS_QUEUESEL_Q0 | + RXCS_ENABLE | + RXCS_QST); +} + +static inline void +jme_disable_rx_engine(struct jme_adapter *jme) +{ + int i; + u32 val; + + /* + * Disable RX Engine + */ + jwrite32(jme, JME_RXCS, jme->reg_rxcs); + wmb(); + + val = jread32(jme, JME_RXCS); + for (i = JME_RX_DISABLE_TIMEOUT ; (val & RXCS_ENABLE) && i > 0 ; --i) { + mdelay(1); + val = jread32(jme, JME_RXCS); + rmb(); + } + + if (!i) + jeprintk(jme->pdev, "Disable RX engine timeout.\n"); + +} + +static int +jme_rxsum_ok(struct jme_adapter *jme, u16 flags) +{ + if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) + return false; + + if (unlikely(!(flags & RXWBFLAG_MF) && + (flags & RXWBFLAG_TCPON) && !(flags & RXWBFLAG_TCPCS))) { + msg_rx_err(jme, "TCP Checksum error.\n"); + goto out_sumerr; + } + + if (unlikely(!(flags & RXWBFLAG_MF) && + (flags & RXWBFLAG_UDPON) && !(flags & RXWBFLAG_UDPCS))) { + msg_rx_err(jme, "UDP Checksum error.\n"); + goto out_sumerr; + } + + if (unlikely((flags & RXWBFLAG_IPV4) && !(flags & RXWBFLAG_IPCS))) { + msg_rx_err(jme, "IPv4 Checksum error.\n"); + goto out_sumerr; + } + + return true; + +out_sumerr: + return false; +} + +static void +jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) +{ + struct jme_ring *rxring = &(jme->rxring[0]); + struct rxdesc *rxdesc = rxring->desc; + struct jme_buffer_info *rxbi = rxring->bufinf; + struct sk_buff *skb; + int framesize; + + rxdesc += idx; + rxbi += idx; + + skb = rxbi->skb; + pci_dma_sync_single_for_cpu(jme->pdev, + rxbi->mapping, + rxbi->len, + PCI_DMA_FROMDEVICE); + + if (unlikely(jme_make_new_rx_buf(jme, idx))) { + pci_dma_sync_single_for_device(jme->pdev, + rxbi->mapping, + rxbi->len, + PCI_DMA_FROMDEVICE); + + ++(NET_STAT(jme).rx_dropped); + } else { + framesize = le16_to_cpu(rxdesc->descwb.framesize) + - RX_PREPAD_SIZE; + + skb_reserve(skb, RX_PREPAD_SIZE); + skb_put(skb, framesize); + skb->protocol = eth_type_trans(skb, jme->dev); + + if (jme_rxsum_ok(jme, rxdesc->descwb.flags)) + skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; + + if (rxdesc->descwb.flags & RXWBFLAG_TAGON) { + if (jme->vlgrp) { + jme->jme_vlan_rx(skb, jme->vlgrp, + le32_to_cpu(rxdesc->descwb.vlan)); + NET_STAT(jme).rx_bytes += 4; + } + } else { + jme->jme_rx(skb); + } + + if ((le16_to_cpu(rxdesc->descwb.flags) & RXWBFLAG_DEST) == + RXWBFLAG_DEST_MUL) + ++(NET_STAT(jme).multicast); + + jme->dev->last_rx = jiffies; + NET_STAT(jme).rx_bytes += framesize; + ++(NET_STAT(jme).rx_packets); + } + + jme_set_clean_rxdesc(jme, idx); + +} + +static int +jme_process_receive(struct jme_adapter *jme, int limit) +{ + struct jme_ring *rxring = &(jme->rxring[0]); + struct rxdesc *rxdesc = rxring->desc; + int i, j, ccnt, desccnt, mask = jme->rx_ring_mask; + + if (unlikely(!atomic_dec_and_test(&jme->rx_cleaning))) + goto out_inc; + + if (unlikely(atomic_read(&jme->link_changing) != 1)) + goto out_inc; + + if (unlikely(!netif_carrier_ok(jme->dev))) + goto out_inc; + + i = atomic_read(&rxring->next_to_clean); + while (limit-- > 0) { + rxdesc = rxring->desc; + rxdesc += i; + + if ((rxdesc->descwb.flags & RXWBFLAG_OWN) || + !(rxdesc->descwb.desccnt & RXWBDCNT_WBCPL)) + goto out; + + desccnt = rxdesc->descwb.desccnt & RXWBDCNT_DCNT; + + if (unlikely(desccnt > 1 || + rxdesc->descwb.errstat & RXWBERR_ALLERR)) { + + if (rxdesc->descwb.errstat & RXWBERR_CRCERR) + ++(NET_STAT(jme).rx_crc_errors); + else if (rxdesc->descwb.errstat & RXWBERR_OVERUN) + ++(NET_STAT(jme).rx_fifo_errors); + else + ++(NET_STAT(jme).rx_errors); + + if (desccnt > 1) + limit -= desccnt - 1; + + for (j = i, ccnt = desccnt ; ccnt-- ; ) { + jme_set_clean_rxdesc(jme, j); + j = (j + 1) & (mask); + } + + } else { + jme_alloc_and_feed_skb(jme, i); + } + + i = (i + desccnt) & (mask); + } + +out: + atomic_set(&rxring->next_to_clean, i); + +out_inc: + atomic_inc(&jme->rx_cleaning); + + return limit > 0 ? limit : 0; + +} + +static void +jme_attempt_pcc(struct dynpcc_info *dpi, int atmp) +{ + if (likely(atmp == dpi->cur)) { + dpi->cnt = 0; + return; + } + + if (dpi->attempt == atmp) { + ++(dpi->cnt); + } else { + dpi->attempt = atmp; + dpi->cnt = 0; + } + +} + +static void +jme_dynamic_pcc(struct jme_adapter *jme) +{ + register struct dynpcc_info *dpi = &(jme->dpi); + + if ((NET_STAT(jme).rx_bytes - dpi->last_bytes) > PCC_P3_THRESHOLD) + jme_attempt_pcc(dpi, PCC_P3); + else if ((NET_STAT(jme).rx_packets - dpi->last_pkts) > PCC_P2_THRESHOLD + || dpi->intr_cnt > PCC_INTR_THRESHOLD) + jme_attempt_pcc(dpi, PCC_P2); + else + jme_attempt_pcc(dpi, PCC_P1); + + if (unlikely(dpi->attempt != dpi->cur && dpi->cnt > 5)) { + if (dpi->attempt < dpi->cur) + tasklet_schedule(&jme->rxclean_task); + jme_set_rx_pcc(jme, dpi->attempt); + dpi->cur = dpi->attempt; + dpi->cnt = 0; + } +} + +static void +jme_start_pcc_timer(struct jme_adapter *jme) +{ + struct dynpcc_info *dpi = &(jme->dpi); + dpi->last_bytes = NET_STAT(jme).rx_bytes; + dpi->last_pkts = NET_STAT(jme).rx_packets; + dpi->intr_cnt = 0; + jwrite32(jme, JME_TMCSR, + TMCSR_EN | ((0xFFFFFF - PCC_INTERVAL_US) & TMCSR_CNT)); +} + +static inline void +jme_stop_pcc_timer(struct jme_adapter *jme) +{ + jwrite32(jme, JME_TMCSR, 0); +} + +static void +jme_shutdown_nic(struct jme_adapter *jme) +{ + u32 phylink; + + phylink = jme_linkstat_from_phy(jme); + + if (!(phylink & PHY_LINK_UP)) { + /* + * Disable all interrupt before issue timer + */ + jme_stop_irq(jme); + jwrite32(jme, JME_TIMER2, TMCSR_EN | 0xFFFFFE); + } +} + +static void +jme_pcc_tasklet(unsigned long arg) +{ + struct jme_adapter *jme = (struct jme_adapter *)arg; + struct net_device *netdev = jme->dev; + + if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) { + jme_shutdown_nic(jme); + return; + } + + if (unlikely(!netif_carrier_ok(netdev) || + (atomic_read(&jme->link_changing) != 1) + )) { + jme_stop_pcc_timer(jme); + return; + } + + if (!(test_bit(JME_FLAG_POLL, &jme->flags))) + jme_dynamic_pcc(jme); + + jme_start_pcc_timer(jme); +} + +static inline void +jme_polling_mode(struct jme_adapter *jme) +{ + jme_set_rx_pcc(jme, PCC_OFF); +} + +static inline void +jme_interrupt_mode(struct jme_adapter *jme) +{ + jme_set_rx_pcc(jme, PCC_P1); +} + +static inline int +jme_pseudo_hotplug_enabled(struct jme_adapter *jme) +{ + u32 apmc; + apmc = jread32(jme, JME_APMC); + return apmc & JME_APMC_PSEUDO_HP_EN; +} + +static void +jme_start_shutdown_timer(struct jme_adapter *jme) +{ + u32 apmc; + + apmc = jread32(jme, JME_APMC) | JME_APMC_PCIE_SD_EN; + apmc &= ~JME_APMC_EPIEN_CTRL; + if (!no_extplug) { + jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_EN); + wmb(); + } + jwrite32f(jme, JME_APMC, apmc); + + jwrite32f(jme, JME_TIMER2, 0); + set_bit(JME_FLAG_SHUTDOWN, &jme->flags); + jwrite32(jme, JME_TMCSR, + TMCSR_EN | ((0xFFFFFF - APMC_PHP_SHUTDOWN_DELAY) & TMCSR_CNT)); +} + +static void +jme_stop_shutdown_timer(struct jme_adapter *jme) +{ + u32 apmc; + + jwrite32f(jme, JME_TMCSR, 0); + jwrite32f(jme, JME_TIMER2, 0); + clear_bit(JME_FLAG_SHUTDOWN, &jme->flags); + + apmc = jread32(jme, JME_APMC); + apmc &= ~(JME_APMC_PCIE_SD_EN | JME_APMC_EPIEN_CTRL); + jwrite32f(jme, JME_APMC, apmc | JME_APMC_EPIEN_CTRL_DIS); + wmb(); + jwrite32f(jme, JME_APMC, apmc); +} + +static void +jme_link_change_tasklet(unsigned long arg) +{ + struct jme_adapter *jme = (struct jme_adapter *)arg; + struct net_device *netdev = jme->dev; + int rc; + + while (!atomic_dec_and_test(&jme->link_changing)) { + atomic_inc(&jme->link_changing); + msg_intr(jme, "Get link change lock failed.\n"); + while (atomic_read(&jme->link_changing) != 1) + msg_intr(jme, "Waiting link change lock.\n"); + } + + if (jme_check_link(netdev, 1) && jme->old_mtu == netdev->mtu) + goto out; + + jme->old_mtu = netdev->mtu; + netif_stop_queue(netdev); + if (jme_pseudo_hotplug_enabled(jme)) + jme_stop_shutdown_timer(jme); + + jme_stop_pcc_timer(jme); + tasklet_disable(&jme->txclean_task); + tasklet_disable(&jme->rxclean_task); + tasklet_disable(&jme->rxempty_task); + + if (netif_carrier_ok(netdev)) { + jme_reset_ghc_speed(jme); + jme_disable_rx_engine(jme); + jme_disable_tx_engine(jme); + jme_reset_mac_processor(jme); + jme_free_rx_resources(jme); + jme_free_tx_resources(jme); + + if (test_bit(JME_FLAG_POLL, &jme->flags)) + jme_polling_mode(jme); + + netif_carrier_off(netdev); + } + + jme_check_link(netdev, 0); + if (netif_carrier_ok(netdev)) { + rc = jme_setup_rx_resources(jme); + if (rc) { + jeprintk(jme->pdev, "Allocating resources for RX error" + ", Device STOPPED!\n"); + goto out_enable_tasklet; + } + + rc = jme_setup_tx_resources(jme); + if (rc) { + jeprintk(jme->pdev, "Allocating resources for TX error" + ", Device STOPPED!\n"); + goto err_out_free_rx_resources; + } + + jme_enable_rx_engine(jme); + jme_enable_tx_engine(jme); + + netif_start_queue(netdev); + + if (test_bit(JME_FLAG_POLL, &jme->flags)) + jme_interrupt_mode(jme); + + jme_start_pcc_timer(jme); + } else if (jme_pseudo_hotplug_enabled(jme)) { + jme_start_shutdown_timer(jme); + } + + goto out_enable_tasklet; + +err_out_free_rx_resources: + jme_free_rx_resources(jme); +out_enable_tasklet: + tasklet_enable(&jme->txclean_task); + tasklet_hi_enable(&jme->rxclean_task); + tasklet_hi_enable(&jme->rxempty_task); +out: + atomic_inc(&jme->link_changing); +} + +static void +jme_rx_clean_tasklet(unsigned long arg) +{ + struct jme_adapter *jme = (struct jme_adapter *)arg; + struct dynpcc_info *dpi = &(jme->dpi); + + jme_process_receive(jme, jme->rx_ring_size); + ++(dpi->intr_cnt); + +} + +static int +jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget)) +{ + struct jme_adapter *jme = jme_napi_priv(holder); + struct net_device *netdev = jme->dev; + int rest; + + rest = jme_process_receive(jme, JME_NAPI_WEIGHT_VAL(budget)); + + while (atomic_read(&jme->rx_empty) > 0) { + atomic_dec(&jme->rx_empty); + ++(NET_STAT(jme).rx_dropped); + jme_restart_rx_engine(jme); + } + atomic_inc(&jme->rx_empty); + + if (rest) { + JME_RX_COMPLETE(netdev, holder); + jme_interrupt_mode(jme); + } + + JME_NAPI_WEIGHT_SET(budget, rest); + return JME_NAPI_WEIGHT_VAL(budget) - rest; +} + +static void +jme_rx_empty_tasklet(unsigned long arg) +{ + struct jme_adapter *jme = (struct jme_adapter *)arg; + + if (unlikely(atomic_read(&jme->link_changing) != 1)) + return; + + if (unlikely(!netif_carrier_ok(jme->dev))) + return; + + msg_rx_status(jme, "RX Queue Full!\n"); + + jme_rx_clean_tasklet(arg); + + while (atomic_read(&jme->rx_empty) > 0) { + atomic_dec(&jme->rx_empty); + ++(NET_STAT(jme).rx_dropped); + jme_restart_rx_engine(jme); + } + atomic_inc(&jme->rx_empty); +} + +static void +jme_wake_queue_if_stopped(struct jme_adapter *jme) +{ + struct jme_ring *txring = jme->txring; + + smp_wmb(); + if (unlikely(netif_queue_stopped(jme->dev) && + atomic_read(&txring->nr_free) >= (jme->tx_wake_threshold))) { + msg_tx_done(jme, "TX Queue Waked.\n"); + netif_wake_queue(jme->dev); + } + +} + +static void +jme_tx_clean_tasklet(unsigned long arg) +{ + struct jme_adapter *jme = (struct jme_adapter *)arg; + struct jme_ring *txring = &(jme->txring[0]); + struct txdesc *txdesc = txring->desc; + struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi; + int i, j, cnt = 0, max, err, mask; + + tx_dbg(jme, "Into txclean.\n"); + + if (unlikely(!atomic_dec_and_test(&jme->tx_cleaning))) + goto out; + + if (unlikely(atomic_read(&jme->link_changing) != 1)) + goto out; + + if (unlikely(!netif_carrier_ok(jme->dev))) + goto out; + + max = jme->tx_ring_size - atomic_read(&txring->nr_free); + mask = jme->tx_ring_mask; + + for (i = atomic_read(&txring->next_to_clean) ; cnt < max ; ) { + + ctxbi = txbi + i; + + if (likely(ctxbi->skb && + !(txdesc[i].descwb.flags & TXWBFLAG_OWN))) { + + tx_dbg(jme, "txclean: %d+%d@%lu\n", + i, ctxbi->nr_desc, jiffies); + + err = txdesc[i].descwb.flags & TXWBFLAG_ALLERR; + + for (j = 1 ; j < ctxbi->nr_desc ; ++j) { + ttxbi = txbi + ((i + j) & (mask)); + txdesc[(i + j) & (mask)].dw[0] = 0; + + pci_unmap_page(jme->pdev, + ttxbi->mapping, + ttxbi->len, + PCI_DMA_TODEVICE); + + ttxbi->mapping = 0; + ttxbi->len = 0; + } + + dev_kfree_skb(ctxbi->skb); + + cnt += ctxbi->nr_desc; + + if (unlikely(err)) { + ++(NET_STAT(jme).tx_carrier_errors); + } else { + ++(NET_STAT(jme).tx_packets); + NET_STAT(jme).tx_bytes += ctxbi->len; + } + + ctxbi->skb = NULL; + ctxbi->len = 0; + ctxbi->start_xmit = 0; + + } else { + break; + } + + i = (i + ctxbi->nr_desc) & mask; + + ctxbi->nr_desc = 0; + } + + tx_dbg(jme, "txclean: done %d@%lu.\n", i, jiffies); + atomic_set(&txring->next_to_clean, i); + atomic_add(cnt, &txring->nr_free); + + jme_wake_queue_if_stopped(jme); + +out: + atomic_inc(&jme->tx_cleaning); +} + +static void +jme_intr_msi(struct jme_adapter *jme, u32 intrstat) +{ + /* + * Disable interrupt + */ + jwrite32f(jme, JME_IENC, INTR_ENABLE); + + if (intrstat & (INTR_LINKCH | INTR_SWINTR)) { + /* + * Link change event is critical + * all other events are ignored + */ + jwrite32(jme, JME_IEVE, intrstat); + tasklet_schedule(&jme->linkch_task); + goto out_reenable; + } + + if (intrstat & INTR_TMINTR) { + jwrite32(jme, JME_IEVE, INTR_TMINTR); + tasklet_schedule(&jme->pcc_task); + } + + if (intrstat & (INTR_PCCTXTO | INTR_PCCTX)) { + jwrite32(jme, JME_IEVE, INTR_PCCTXTO | INTR_PCCTX | INTR_TX0); + tasklet_schedule(&jme->txclean_task); + } + + if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { + jwrite32(jme, JME_IEVE, (intrstat & (INTR_PCCRX0TO | + INTR_PCCRX0 | + INTR_RX0EMP)) | + INTR_RX0); + } + + if (test_bit(JME_FLAG_POLL, &jme->flags)) { + if (intrstat & INTR_RX0EMP) + atomic_inc(&jme->rx_empty); + + if ((intrstat & (INTR_PCCRX0TO | INTR_PCCRX0 | INTR_RX0EMP))) { + if (likely(JME_RX_SCHEDULE_PREP(jme))) { + jme_polling_mode(jme); + JME_RX_SCHEDULE(jme); + } + } + } else { + if (intrstat & INTR_RX0EMP) { + atomic_inc(&jme->rx_empty); + tasklet_hi_schedule(&jme->rxempty_task); + } else if (intrstat & (INTR_PCCRX0TO | INTR_PCCRX0)) { + tasklet_hi_schedule(&jme->rxclean_task); + } + } + +out_reenable: + /* + * Re-enable interrupt + */ + jwrite32f(jme, JME_IENS, INTR_ENABLE); +} + +static irqreturn_t +jme_intr(int irq, void *dev_id) +{ + struct net_device *netdev = dev_id; + struct jme_adapter *jme = netdev_priv(netdev); + u32 intrstat; + + intrstat = jread32(jme, JME_IEVE); + + /* + * Check if it's really an interrupt for us + */ + if (unlikely(intrstat == 0)) + return IRQ_NONE; + + /* + * Check if the device still exist + */ + if (unlikely(intrstat == ~((typeof(intrstat))0))) + return IRQ_NONE; + + jme_intr_msi(jme, intrstat); + + return IRQ_HANDLED; +} + +static irqreturn_t +jme_msi(int irq, void *dev_id) +{ + struct net_device *netdev = dev_id; + struct jme_adapter *jme = netdev_priv(netdev); + u32 intrstat; + + pci_dma_sync_single_for_cpu(jme->pdev, + jme->shadow_dma, + sizeof(u32) * SHADOW_REG_NR, + PCI_DMA_FROMDEVICE); + intrstat = jme->shadow_regs[SHADOW_IEVE]; + jme->shadow_regs[SHADOW_IEVE] = 0; + + jme_intr_msi(jme, intrstat); + + return IRQ_HANDLED; +} + +static void +jme_reset_link(struct jme_adapter *jme) +{ + jwrite32(jme, JME_TMCSR, TMCSR_SWIT); +} + +static void +jme_restart_an(struct jme_adapter *jme) +{ + u32 bmcr; + + spin_lock_bh(&jme->phy_lock); + bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); + spin_unlock_bh(&jme->phy_lock); +} + +static int +jme_request_irq(struct jme_adapter *jme) +{ + int rc; + struct net_device *netdev = jme->dev; + irq_handler_t handler = jme_intr; + int irq_flags = IRQF_SHARED; + + if (!pci_enable_msi(jme->pdev)) { + set_bit(JME_FLAG_MSI, &jme->flags); + handler = jme_msi; + irq_flags = 0; + } + + rc = request_irq(jme->pdev->irq, handler, irq_flags, netdev->name, + netdev); + if (rc) { + jeprintk(jme->pdev, + "Unable to request %s interrupt (return: %d)\n", + test_bit(JME_FLAG_MSI, &jme->flags) ? "MSI" : "INTx", + rc); + + if (test_bit(JME_FLAG_MSI, &jme->flags)) { + pci_disable_msi(jme->pdev); + clear_bit(JME_FLAG_MSI, &jme->flags); + } + } else { + netdev->irq = jme->pdev->irq; + } + + return rc; +} + +static void +jme_free_irq(struct jme_adapter *jme) +{ + free_irq(jme->pdev->irq, jme->dev); + if (test_bit(JME_FLAG_MSI, &jme->flags)) { + pci_disable_msi(jme->pdev); + clear_bit(JME_FLAG_MSI, &jme->flags); + jme->dev->irq = jme->pdev->irq; + } +} + +static int +jme_open(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int rc; + + jme_clear_pm(jme); + JME_NAPI_ENABLE(jme); + + tasklet_enable(&jme->txclean_task); + tasklet_hi_enable(&jme->rxclean_task); + tasklet_hi_enable(&jme->rxempty_task); + + rc = jme_request_irq(jme); + if (rc) + goto err_out; + + jme_enable_shadow(jme); + jme_start_irq(jme); + + if (test_bit(JME_FLAG_SSET, &jme->flags)) + jme_set_settings(netdev, &jme->old_ecmd); + else + jme_reset_phy_processor(jme); + + jme_reset_link(jme); + + return 0; + +err_out: + netif_stop_queue(netdev); + netif_carrier_off(netdev); + return rc; +} + +static void +jme_set_100m_half(struct jme_adapter *jme) +{ + u32 bmcr, tmp; + + bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); + tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 | + BMCR_SPEED1000 | BMCR_FULLDPLX); + tmp |= BMCR_SPEED100; + + if (bmcr != tmp) + jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, tmp); + + if (jme->fpgaver) + jwrite32(jme, JME_GHC, GHC_SPEED_100M | GHC_LINK_POLL); + else + jwrite32(jme, JME_GHC, GHC_SPEED_100M); +} + +#define JME_WAIT_LINK_TIME 2000 /* 2000ms */ +static void +jme_wait_link(struct jme_adapter *jme) +{ + u32 phylink, to = JME_WAIT_LINK_TIME; + + mdelay(1000); + phylink = jme_linkstat_from_phy(jme); + while (!(phylink & PHY_LINK_UP) && (to -= 10) > 0) { + mdelay(10); + phylink = jme_linkstat_from_phy(jme); + } +} + +static inline void +jme_phy_off(struct jme_adapter *jme) +{ + jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); +} + +static int +jme_close(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + netif_stop_queue(netdev); + netif_carrier_off(netdev); + + jme_stop_irq(jme); + jme_disable_shadow(jme); + jme_free_irq(jme); + + JME_NAPI_DISABLE(jme); + + tasklet_kill(&jme->linkch_task); + tasklet_kill(&jme->txclean_task); + tasklet_kill(&jme->rxclean_task); + tasklet_kill(&jme->rxempty_task); + + jme_reset_ghc_speed(jme); + jme_disable_rx_engine(jme); + jme_disable_tx_engine(jme); + jme_reset_mac_processor(jme); + jme_free_rx_resources(jme); + jme_free_tx_resources(jme); + jme->phylink = 0; + jme_phy_off(jme); + + return 0; +} + +static int +jme_alloc_txdesc(struct jme_adapter *jme, + struct sk_buff *skb) +{ + struct jme_ring *txring = jme->txring; + int idx, nr_alloc, mask = jme->tx_ring_mask; + + idx = txring->next_to_use; + nr_alloc = skb_shinfo(skb)->nr_frags + 2; + + if (unlikely(atomic_read(&txring->nr_free) < nr_alloc)) + return -1; + + atomic_sub(nr_alloc, &txring->nr_free); + + txring->next_to_use = (txring->next_to_use + nr_alloc) & mask; + + return idx; +} + +static void +jme_fill_tx_map(struct pci_dev *pdev, + struct txdesc *txdesc, + struct jme_buffer_info *txbi, + struct page *page, + u32 page_offset, + u32 len, + u8 hidma) +{ + dma_addr_t dmaaddr; + + dmaaddr = pci_map_page(pdev, + page, + page_offset, + len, + PCI_DMA_TODEVICE); + + pci_dma_sync_single_for_device(pdev, + dmaaddr, + len, + PCI_DMA_TODEVICE); + + txdesc->dw[0] = 0; + txdesc->dw[1] = 0; + txdesc->desc2.flags = TXFLAG_OWN; + txdesc->desc2.flags |= (hidma) ? TXFLAG_64BIT : 0; + txdesc->desc2.datalen = cpu_to_le16(len); + txdesc->desc2.bufaddrh = cpu_to_le32((__u64)dmaaddr >> 32); + txdesc->desc2.bufaddrl = cpu_to_le32( + (__u64)dmaaddr & 0xFFFFFFFFUL); + + txbi->mapping = dmaaddr; + txbi->len = len; +} + +static void +jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx) +{ + struct jme_ring *txring = jme->txring; + struct txdesc *txdesc = txring->desc, *ctxdesc; + struct jme_buffer_info *txbi = txring->bufinf, *ctxbi; + u8 hidma = jme->dev->features & NETIF_F_HIGHDMA; + int i, nr_frags = skb_shinfo(skb)->nr_frags; + int mask = jme->tx_ring_mask; + struct skb_frag_struct *frag; + u32 len; + + for (i = 0 ; i < nr_frags ; ++i) { + frag = &skb_shinfo(skb)->frags[i]; + ctxdesc = txdesc + ((idx + i + 2) & (mask)); + ctxbi = txbi + ((idx + i + 2) & (mask)); + + jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, frag->page, + frag->page_offset, frag->size, hidma); + } + + len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len; + ctxdesc = txdesc + ((idx + 1) & (mask)); + ctxbi = txbi + ((idx + 1) & (mask)); + jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data), + offset_in_page(skb->data), len, hidma); + +} + +static int +jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb) +{ + if (unlikely(skb_shinfo(skb)->gso_size && + skb_header_cloned(skb) && + pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) { + dev_kfree_skb(skb); + return -1; + } + + return 0; +} + +static int +jme_tx_tso(struct sk_buff *skb, + u16 *mss, u8 *flags) +{ + *mss = skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT; + if (*mss) { + *flags |= TXFLAG_LSEN; + + if (skb->protocol == htons(ETH_P_IP)) { + struct iphdr *iph = ip_hdr(skb); + + iph->check = 0; + tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, + iph->daddr, 0, + IPPROTO_TCP, + 0); + } else { + struct ipv6hdr *ip6h = ipv6_hdr(skb); + + tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr, + &ip6h->daddr, 0, + IPPROTO_TCP, + 0); + } + + return 0; + } + + return 1; +} + +static void +jme_tx_csum(struct jme_adapter *jme, struct sk_buff *skb, u8 *flags) +{ + if (skb->ip_summed == CHECKSUM_PARTIAL) { + u8 ip_proto; + + switch (skb->protocol) { + case htons(ETH_P_IP): + ip_proto = ip_hdr(skb)->protocol; + break; + case htons(ETH_P_IPV6): + ip_proto = ipv6_hdr(skb)->nexthdr; + break; + default: + ip_proto = 0; + break; + } + + switch (ip_proto) { + case IPPROTO_TCP: + *flags |= TXFLAG_TCPCS; + break; + case IPPROTO_UDP: + *flags |= TXFLAG_UDPCS; + break; + default: + msg_tx_err(jme, "Error upper layer protocol.\n"); + break; + } + } +} + +static inline void +jme_tx_vlan(struct sk_buff *skb, u16 *vlan, u8 *flags) +{ + if (vlan_tx_tag_present(skb)) { + *flags |= TXFLAG_TAGON; + *vlan = vlan_tx_tag_get(skb); + } +} + +static int +jme_fill_first_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx) +{ + struct jme_ring *txring = jme->txring; + struct txdesc *txdesc; + struct jme_buffer_info *txbi; + u8 flags; + + txdesc = (struct txdesc *)txring->desc + idx; + txbi = txring->bufinf + idx; + + txdesc->dw[0] = 0; + txdesc->dw[1] = 0; + txdesc->dw[2] = 0; + txdesc->dw[3] = 0; + txdesc->desc1.pktsize = cpu_to_le16(skb->len); + /* + * Set OWN bit at final. + * When kernel transmit faster than NIC. + * And NIC trying to send this descriptor before we tell + * it to start sending this TX queue. + * Other fields are already filled correctly. + */ + wmb(); + flags = TXFLAG_OWN | TXFLAG_INT; + /* + * Set checksum flags while not tso + */ + if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags)) + jme_tx_csum(jme, skb, &flags); + jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags); + txdesc->desc1.flags = flags; + /* + * Set tx buffer info after telling NIC to send + * For better tx_clean timing + */ + wmb(); + txbi->nr_desc = skb_shinfo(skb)->nr_frags + 2; + txbi->skb = skb; + txbi->len = skb->len; + txbi->start_xmit = jiffies; + if (!txbi->start_xmit) + txbi->start_xmit = (0UL-1); + + return 0; +} + +static void +jme_stop_queue_if_full(struct jme_adapter *jme) +{ + struct jme_ring *txring = jme->txring; + struct jme_buffer_info *txbi = txring->bufinf; + int idx = atomic_read(&txring->next_to_clean); + + txbi += idx; + + smp_wmb(); + if (unlikely(atomic_read(&txring->nr_free) < (MAX_SKB_FRAGS+2))) { + netif_stop_queue(jme->dev); + msg_tx_queued(jme, "TX Queue Paused.\n"); + smp_wmb(); + if (atomic_read(&txring->nr_free) + >= (jme->tx_wake_threshold)) { + netif_wake_queue(jme->dev); + msg_tx_queued(jme, "TX Queue Fast Waked.\n"); + } + } + + if (unlikely(txbi->start_xmit && + (jiffies - txbi->start_xmit) >= TX_TIMEOUT && + txbi->skb)) { + netif_stop_queue(jme->dev); + msg_tx_queued(jme, "TX Queue Stopped %d@%lu.\n", idx, jiffies); + } +} + +/* + * This function is already protected by netif_tx_lock() + */ + +static int +jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int idx; + + if (unlikely(jme_expand_header(jme, skb))) { + ++(NET_STAT(jme).tx_dropped); + return NETDEV_TX_OK; + } + + idx = jme_alloc_txdesc(jme, skb); + + if (unlikely(idx < 0)) { + netif_stop_queue(netdev); + msg_tx_err(jme, "BUG! Tx ring full when queue awake!\n"); + + return NETDEV_TX_BUSY; + } + + jme_map_tx_skb(jme, skb, idx); + jme_fill_first_tx_desc(jme, skb, idx); + + jwrite32(jme, JME_TXCS, jme->reg_txcs | + TXCS_SELECT_QUEUE0 | + TXCS_QUEUE0S | + TXCS_ENABLE); + netdev->trans_start = jiffies; + + tx_dbg(jme, "xmit: %d+%d@%lu\n", idx, + skb_shinfo(skb)->nr_frags + 2, + jiffies); + jme_stop_queue_if_full(jme); + + return NETDEV_TX_OK; +} + +static int +jme_set_macaddr(struct net_device *netdev, void *p) +{ + struct jme_adapter *jme = netdev_priv(netdev); + struct sockaddr *addr = p; + u32 val; + + if (netif_running(netdev)) + return -EBUSY; + + spin_lock_bh(&jme->macaddr_lock); + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + + val = (addr->sa_data[3] & 0xff) << 24 | + (addr->sa_data[2] & 0xff) << 16 | + (addr->sa_data[1] & 0xff) << 8 | + (addr->sa_data[0] & 0xff); + jwrite32(jme, JME_RXUMA_LO, val); + val = (addr->sa_data[5] & 0xff) << 8 | + (addr->sa_data[4] & 0xff); + jwrite32(jme, JME_RXUMA_HI, val); + spin_unlock_bh(&jme->macaddr_lock); + + return 0; +} + +static void +jme_set_multi(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 mc_hash[2] = {}; + int i; + + spin_lock_bh(&jme->rxmcs_lock); + + jme->reg_rxmcs |= RXMCS_BRDFRAME | RXMCS_UNIFRAME; + + if (netdev->flags & IFF_PROMISC) { + jme->reg_rxmcs |= RXMCS_ALLFRAME; + } else if (netdev->flags & IFF_ALLMULTI) { + jme->reg_rxmcs |= RXMCS_ALLMULFRAME; + } else if (netdev->flags & IFF_MULTICAST) { + struct dev_mc_list *mclist; + int bit_nr; + + jme->reg_rxmcs |= RXMCS_MULFRAME | RXMCS_MULFILTERED; + for (i = 0, mclist = netdev->mc_list; + mclist && i < netdev->mc_count; + ++i, mclist = mclist->next) { + + bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3F; + mc_hash[bit_nr >> 5] |= 1 << (bit_nr & 0x1F); + } + + jwrite32(jme, JME_RXMCHT_LO, mc_hash[0]); + jwrite32(jme, JME_RXMCHT_HI, mc_hash[1]); + } + + wmb(); + jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); + + spin_unlock_bh(&jme->rxmcs_lock); +} + +static int +jme_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + if (new_mtu == jme->old_mtu) + return 0; + + if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) || + ((new_mtu) < IPV6_MIN_MTU)) + return -EINVAL; + + if (new_mtu > 4000) { + jme->reg_rxcs &= ~RXCS_FIFOTHNP; + jme->reg_rxcs |= RXCS_FIFOTHNP_64QW; + jme_restart_rx_engine(jme); + } else { + jme->reg_rxcs &= ~RXCS_FIFOTHNP; + jme->reg_rxcs |= RXCS_FIFOTHNP_128QW; + jme_restart_rx_engine(jme); + } + + if (new_mtu > 1900) { + netdev->features &= ~(NETIF_F_HW_CSUM | + NETIF_F_TSO | + NETIF_F_TSO6); + } else { + if (test_bit(JME_FLAG_TXCSUM, &jme->flags)) + netdev->features |= NETIF_F_HW_CSUM; + if (test_bit(JME_FLAG_TSO, &jme->flags)) + netdev->features |= NETIF_F_TSO | NETIF_F_TSO6; + } + + netdev->mtu = new_mtu; + jme_reset_link(jme); + + return 0; +} + +static void +jme_tx_timeout(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + jme->phylink = 0; + jme_reset_phy_processor(jme); + if (test_bit(JME_FLAG_SSET, &jme->flags)) + jme_set_settings(netdev, &jme->old_ecmd); + + /* + * Force to Reset the link again + */ + jme_reset_link(jme); +} + +static void +jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + jme->vlgrp = grp; +} + +static void +jme_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *info) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + strcpy(info->driver, DRV_NAME); + strcpy(info->version, DRV_VERSION); + strcpy(info->bus_info, pci_name(jme->pdev)); +} + +static int +jme_get_regs_len(struct net_device *netdev) +{ + return JME_REG_LEN; +} + +static void +mmapio_memcpy(struct jme_adapter *jme, u32 *p, u32 reg, int len) +{ + int i; + + for (i = 0 ; i < len ; i += 4) + p[i >> 2] = jread32(jme, reg + i); +} + +static void +mdio_memcpy(struct jme_adapter *jme, u32 *p, int reg_nr) +{ + int i; + u16 *p16 = (u16 *)p; + + for (i = 0 ; i < reg_nr ; ++i) + p16[i] = jme_mdio_read(jme->dev, jme->mii_if.phy_id, i); +} + +static void +jme_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 *p32 = (u32 *)p; + + memset(p, 0xFF, JME_REG_LEN); + + regs->version = 1; + mmapio_memcpy(jme, p32, JME_MAC, JME_MAC_LEN); + + p32 += 0x100 >> 2; + mmapio_memcpy(jme, p32, JME_PHY, JME_PHY_LEN); + + p32 += 0x100 >> 2; + mmapio_memcpy(jme, p32, JME_MISC, JME_MISC_LEN); + + p32 += 0x100 >> 2; + mmapio_memcpy(jme, p32, JME_RSS, JME_RSS_LEN); + + p32 += 0x100 >> 2; + mdio_memcpy(jme, p32, JME_PHY_REG_NR); +} + +static int +jme_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + ecmd->tx_coalesce_usecs = PCC_TX_TO; + ecmd->tx_max_coalesced_frames = PCC_TX_CNT; + + if (test_bit(JME_FLAG_POLL, &jme->flags)) { + ecmd->use_adaptive_rx_coalesce = false; + ecmd->rx_coalesce_usecs = 0; + ecmd->rx_max_coalesced_frames = 0; + return 0; + } + + ecmd->use_adaptive_rx_coalesce = true; + + switch (jme->dpi.cur) { + case PCC_P1: + ecmd->rx_coalesce_usecs = PCC_P1_TO; + ecmd->rx_max_coalesced_frames = PCC_P1_CNT; + break; + case PCC_P2: + ecmd->rx_coalesce_usecs = PCC_P2_TO; + ecmd->rx_max_coalesced_frames = PCC_P2_CNT; + break; + case PCC_P3: + ecmd->rx_coalesce_usecs = PCC_P3_TO; + ecmd->rx_max_coalesced_frames = PCC_P3_CNT; + break; + default: + break; + } + + return 0; +} + +static int +jme_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + struct dynpcc_info *dpi = &(jme->dpi); + + if (netif_running(netdev)) + return -EBUSY; + + if (ecmd->use_adaptive_rx_coalesce + && test_bit(JME_FLAG_POLL, &jme->flags)) { + clear_bit(JME_FLAG_POLL, &jme->flags); + jme->jme_rx = netif_rx; + jme->jme_vlan_rx = vlan_hwaccel_rx; + dpi->cur = PCC_P1; + dpi->attempt = PCC_P1; + dpi->cnt = 0; + jme_set_rx_pcc(jme, PCC_P1); + jme_interrupt_mode(jme); + } else if (!(ecmd->use_adaptive_rx_coalesce) + && !(test_bit(JME_FLAG_POLL, &jme->flags))) { + set_bit(JME_FLAG_POLL, &jme->flags); + jme->jme_rx = netif_receive_skb; + jme->jme_vlan_rx = vlan_hwaccel_receive_skb; + jme_interrupt_mode(jme); + } + + return 0; +} + +static void +jme_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 val; + + ecmd->tx_pause = (jme->reg_txpfc & TXPFC_PF_EN) != 0; + ecmd->rx_pause = (jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0; + + spin_lock_bh(&jme->phy_lock); + val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); + spin_unlock_bh(&jme->phy_lock); + + ecmd->autoneg = + (val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0; +} + +static int +jme_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 val; + + if (((jme->reg_txpfc & TXPFC_PF_EN) != 0) ^ + (ecmd->tx_pause != 0)) { + + if (ecmd->tx_pause) + jme->reg_txpfc |= TXPFC_PF_EN; + else + jme->reg_txpfc &= ~TXPFC_PF_EN; + + jwrite32(jme, JME_TXPFC, jme->reg_txpfc); + } + + spin_lock_bh(&jme->rxmcs_lock); + if (((jme->reg_rxmcs & RXMCS_FLOWCTRL) != 0) ^ + (ecmd->rx_pause != 0)) { + + if (ecmd->rx_pause) + jme->reg_rxmcs |= RXMCS_FLOWCTRL; + else + jme->reg_rxmcs &= ~RXMCS_FLOWCTRL; + + jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); + } + spin_unlock_bh(&jme->rxmcs_lock); + + spin_lock_bh(&jme->phy_lock); + val = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_ADVERTISE); + if (((val & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) != 0) ^ + (ecmd->autoneg != 0)) { + + if (ecmd->autoneg) + val |= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + else + val &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + + jme_mdio_write(jme->dev, jme->mii_if.phy_id, + MII_ADVERTISE, val); + } + spin_unlock_bh(&jme->phy_lock); + + return 0; +} + +static void +jme_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC | WAKE_PHY; + + wol->wolopts = 0; + + if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) + wol->wolopts |= WAKE_PHY; + + if (jme->reg_pmcs & PMCS_MFEN) + wol->wolopts |= WAKE_MAGIC; + +} + +static int +jme_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_MAGICSECURE | + WAKE_UCAST | + WAKE_MCAST | + WAKE_BCAST | + WAKE_ARP)) + return -EOPNOTSUPP; + + jme->reg_pmcs = 0; + + if (wol->wolopts & WAKE_PHY) + jme->reg_pmcs |= PMCS_LFEN | PMCS_LREN; + + if (wol->wolopts & WAKE_MAGIC) + jme->reg_pmcs |= PMCS_MFEN; + + jwrite32(jme, JME_PMCS, jme->reg_pmcs); + + return 0; +} + +static int +jme_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int rc; + + spin_lock_bh(&jme->phy_lock); + rc = mii_ethtool_gset(&(jme->mii_if), ecmd); + spin_unlock_bh(&jme->phy_lock); + return rc; +} + +static int +jme_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int rc, fdc = 0; + + if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE) + return -EINVAL; + + if (jme->mii_if.force_media && + ecmd->autoneg != AUTONEG_ENABLE && + (jme->mii_if.full_duplex != ecmd->duplex)) + fdc = 1; + + spin_lock_bh(&jme->phy_lock); + rc = mii_ethtool_sset(&(jme->mii_if), ecmd); + spin_unlock_bh(&jme->phy_lock); + + if (!rc && fdc) + jme_reset_link(jme); + + if (!rc) { + set_bit(JME_FLAG_SSET, &jme->flags); + jme->old_ecmd = *ecmd; + } + + return rc; +} + +static u32 +jme_get_link(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + return jread32(jme, JME_PHY_LINK) & PHY_LINK_UP; +} + +static u32 +jme_get_msglevel(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + return jme->msg_enable; +} + +static void +jme_set_msglevel(struct net_device *netdev, u32 value) +{ + struct jme_adapter *jme = netdev_priv(netdev); + jme->msg_enable = value; +} + +static u32 +jme_get_rx_csum(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + return jme->reg_rxmcs & RXMCS_CHECKSUM; +} + +static int +jme_set_rx_csum(struct net_device *netdev, u32 on) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + spin_lock_bh(&jme->rxmcs_lock); + if (on) + jme->reg_rxmcs |= RXMCS_CHECKSUM; + else + jme->reg_rxmcs &= ~RXMCS_CHECKSUM; + jwrite32(jme, JME_RXMCS, jme->reg_rxmcs); + spin_unlock_bh(&jme->rxmcs_lock); + + return 0; +} + +static int +jme_set_tx_csum(struct net_device *netdev, u32 on) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + if (on) { + set_bit(JME_FLAG_TXCSUM, &jme->flags); + if (netdev->mtu <= 1900) + netdev->features |= NETIF_F_HW_CSUM; + } else { + clear_bit(JME_FLAG_TXCSUM, &jme->flags); + netdev->features &= ~NETIF_F_HW_CSUM; + } + + return 0; +} + +static int +jme_set_tso(struct net_device *netdev, u32 on) +{ + struct jme_adapter *jme = netdev_priv(netdev); + + if (on) { + set_bit(JME_FLAG_TSO, &jme->flags); + if (netdev->mtu <= 1900) + netdev->features |= NETIF_F_TSO | NETIF_F_TSO6; + } else { + clear_bit(JME_FLAG_TSO, &jme->flags); + netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + } + + return 0; +} + +static int +jme_nway_reset(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + jme_restart_an(jme); + return 0; +} + +static u8 +jme_smb_read(struct jme_adapter *jme, unsigned int addr) +{ + u32 val; + int to; + + val = jread32(jme, JME_SMBCSR); + to = JME_SMB_BUSY_TIMEOUT; + while ((val & SMBCSR_BUSY) && --to) { + msleep(1); + val = jread32(jme, JME_SMBCSR); + } + if (!to) { + msg_hw(jme, "SMB Bus Busy.\n"); + return 0xFF; + } + + jwrite32(jme, JME_SMBINTF, + ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | + SMBINTF_HWRWN_READ | + SMBINTF_HWCMD); + + val = jread32(jme, JME_SMBINTF); + to = JME_SMB_BUSY_TIMEOUT; + while ((val & SMBINTF_HWCMD) && --to) { + msleep(1); + val = jread32(jme, JME_SMBINTF); + } + if (!to) { + msg_hw(jme, "SMB Bus Busy.\n"); + return 0xFF; + } + + return (val & SMBINTF_HWDATR) >> SMBINTF_HWDATR_SHIFT; +} + +static void +jme_smb_write(struct jme_adapter *jme, unsigned int addr, u8 data) +{ + u32 val; + int to; + + val = jread32(jme, JME_SMBCSR); + to = JME_SMB_BUSY_TIMEOUT; + while ((val & SMBCSR_BUSY) && --to) { + msleep(1); + val = jread32(jme, JME_SMBCSR); + } + if (!to) { + msg_hw(jme, "SMB Bus Busy.\n"); + return; + } + + jwrite32(jme, JME_SMBINTF, + ((data << SMBINTF_HWDATW_SHIFT) & SMBINTF_HWDATW) | + ((addr << SMBINTF_HWADDR_SHIFT) & SMBINTF_HWADDR) | + SMBINTF_HWRWN_WRITE | + SMBINTF_HWCMD); + + val = jread32(jme, JME_SMBINTF); + to = JME_SMB_BUSY_TIMEOUT; + while ((val & SMBINTF_HWCMD) && --to) { + msleep(1); + val = jread32(jme, JME_SMBINTF); + } + if (!to) { + msg_hw(jme, "SMB Bus Busy.\n"); + return; + } + + mdelay(2); +} + +static int +jme_get_eeprom_len(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 val; + val = jread32(jme, JME_SMBCSR); + return (val & SMBCSR_EEPROMD) ? JME_SMB_LEN : 0; +} + +static int +jme_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *data) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int i, offset = eeprom->offset, len = eeprom->len; + + /* + * ethtool will check the boundary for us + */ + eeprom->magic = JME_EEPROM_MAGIC; + for (i = 0 ; i < len ; ++i) + data[i] = jme_smb_read(jme, i + offset); + + return 0; +} + +static int +jme_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *data) +{ + struct jme_adapter *jme = netdev_priv(netdev); + int i, offset = eeprom->offset, len = eeprom->len; + + if (eeprom->magic != JME_EEPROM_MAGIC) + return -EINVAL; + + /* + * ethtool will check the boundary for us + */ + for (i = 0 ; i < len ; ++i) + jme_smb_write(jme, i + offset, data[i]); + + return 0; +} + +static const struct ethtool_ops jme_ethtool_ops = { + .get_drvinfo = jme_get_drvinfo, + .get_regs_len = jme_get_regs_len, + .get_regs = jme_get_regs, + .get_coalesce = jme_get_coalesce, + .set_coalesce = jme_set_coalesce, + .get_pauseparam = jme_get_pauseparam, + .set_pauseparam = jme_set_pauseparam, + .get_wol = jme_get_wol, + .set_wol = jme_set_wol, + .get_settings = jme_get_settings, + .set_settings = jme_set_settings, + .get_link = jme_get_link, + .get_msglevel = jme_get_msglevel, + .set_msglevel = jme_set_msglevel, + .get_rx_csum = jme_get_rx_csum, + .set_rx_csum = jme_set_rx_csum, + .set_tx_csum = jme_set_tx_csum, + .set_tso = jme_set_tso, + .set_sg = ethtool_op_set_sg, + .nway_reset = jme_nway_reset, + .get_eeprom_len = jme_get_eeprom_len, + .get_eeprom = jme_get_eeprom, + .set_eeprom = jme_set_eeprom, +}; + +static int +jme_pci_dma64(struct pci_dev *pdev) +{ + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) + if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) + return 1; + + if (!pci_set_dma_mask(pdev, DMA_40BIT_MASK)) + if (!pci_set_consistent_dma_mask(pdev, DMA_40BIT_MASK)) + return 1; + + if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) + if (!pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) + return 0; + + return -1; +} + +static inline void +jme_phy_init(struct jme_adapter *jme) +{ + u16 reg26; + + reg26 = jme_mdio_read(jme->dev, jme->mii_if.phy_id, 26); + jme_mdio_write(jme->dev, jme->mii_if.phy_id, 26, reg26 | 0x1000); +} + +static inline void +jme_check_hw_ver(struct jme_adapter *jme) +{ + u32 chipmode; + + chipmode = jread32(jme, JME_CHIPMODE); + + jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; + jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT; +} + +static int __devinit +jme_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int rc = 0, using_dac, i; + struct net_device *netdev; + struct jme_adapter *jme; + u16 bmcr, bmsr; + u32 apmc; + + /* + * set up PCI device basics + */ + rc = pci_enable_device(pdev); + if (rc) { + jeprintk(pdev, "Cannot enable PCI device.\n"); + goto err_out; + } + + using_dac = jme_pci_dma64(pdev); + if (using_dac < 0) { + jeprintk(pdev, "Cannot set PCI DMA Mask.\n"); + rc = -EIO; + goto err_out_disable_pdev; + } + + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + jeprintk(pdev, "No PCI resource region found.\n"); + rc = -ENOMEM; + goto err_out_disable_pdev; + } + + rc = pci_request_regions(pdev, DRV_NAME); + if (rc) { + jeprintk(pdev, "Cannot obtain PCI resource region.\n"); + goto err_out_disable_pdev; + } + + pci_set_master(pdev); + + /* + * alloc and init net device + */ + netdev = alloc_etherdev(sizeof(*jme)); + if (!netdev) { + jeprintk(pdev, "Cannot allocate netdev structure.\n"); + rc = -ENOMEM; + goto err_out_release_regions; + } + netdev->open = jme_open; + netdev->stop = jme_close; + netdev->hard_start_xmit = jme_start_xmit; + netdev->set_mac_address = jme_set_macaddr; + netdev->set_multicast_list = jme_set_multi; + netdev->change_mtu = jme_change_mtu; + netdev->ethtool_ops = &jme_ethtool_ops; + netdev->tx_timeout = jme_tx_timeout; + netdev->watchdog_timeo = TX_TIMEOUT; + netdev->vlan_rx_register = jme_vlan_rx_register; + NETDEV_GET_STATS(netdev, &jme_get_stats); + netdev->features = NETIF_F_HW_CSUM | + NETIF_F_SG | + NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_HW_VLAN_TX | + NETIF_F_HW_VLAN_RX; + if (using_dac) + netdev->features |= NETIF_F_HIGHDMA; + + SET_NETDEV_DEV(netdev, &pdev->dev); + pci_set_drvdata(pdev, netdev); + + /* + * init adapter info + */ + jme = netdev_priv(netdev); + jme->pdev = pdev; + jme->dev = netdev; + jme->jme_rx = netif_rx; + jme->jme_vlan_rx = vlan_hwaccel_rx; + jme->old_mtu = netdev->mtu = 1500; + jme->phylink = 0; + jme->tx_ring_size = 1 << 10; + jme->tx_ring_mask = jme->tx_ring_size - 1; + jme->tx_wake_threshold = 1 << 9; + jme->rx_ring_size = 1 << 9; + jme->rx_ring_mask = jme->rx_ring_size - 1; + jme->msg_enable = JME_DEF_MSG_ENABLE; + jme->regs = ioremap(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + if (!(jme->regs)) { + jeprintk(pdev, "Mapping PCI resource region error.\n"); + rc = -ENOMEM; + goto err_out_free_netdev; + } + jme->shadow_regs = pci_alloc_consistent(pdev, + sizeof(u32) * SHADOW_REG_NR, + &(jme->shadow_dma)); + if (!(jme->shadow_regs)) { + jeprintk(pdev, "Allocating shadow register mapping error.\n"); + rc = -ENOMEM; + goto err_out_unmap; + } + + if (no_pseudohp) { + apmc = jread32(jme, JME_APMC) & ~JME_APMC_PSEUDO_HP_EN; + jwrite32(jme, JME_APMC, apmc); + } else if (force_pseudohp) { + apmc = jread32(jme, JME_APMC) | JME_APMC_PSEUDO_HP_EN; + jwrite32(jme, JME_APMC, apmc); + } + + NETIF_NAPI_SET(netdev, &jme->napi, jme_poll, jme->rx_ring_size >> 2) + + spin_lock_init(&jme->phy_lock); + spin_lock_init(&jme->macaddr_lock); + spin_lock_init(&jme->rxmcs_lock); + + atomic_set(&jme->link_changing, 1); + atomic_set(&jme->rx_cleaning, 1); + atomic_set(&jme->tx_cleaning, 1); + atomic_set(&jme->rx_empty, 1); + + tasklet_init(&jme->pcc_task, + &jme_pcc_tasklet, + (unsigned long) jme); + tasklet_init(&jme->linkch_task, + &jme_link_change_tasklet, + (unsigned long) jme); + tasklet_init(&jme->txclean_task, + &jme_tx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxclean_task, + &jme_rx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxempty_task, + &jme_rx_empty_tasklet, + (unsigned long) jme); + tasklet_disable_nosync(&jme->txclean_task); + tasklet_disable_nosync(&jme->rxclean_task); + tasklet_disable_nosync(&jme->rxempty_task); + jme->dpi.cur = PCC_P1; + + jme->reg_ghc = 0; + jme->reg_rxcs = RXCS_DEFAULT; + jme->reg_rxmcs = RXMCS_DEFAULT; + jme->reg_txpfc = 0; + jme->reg_pmcs = PMCS_MFEN; + set_bit(JME_FLAG_TXCSUM, &jme->flags); + set_bit(JME_FLAG_TSO, &jme->flags); + + /* + * Get Max Read Req Size from PCI Config Space + */ + pci_read_config_byte(pdev, PCI_DCSR_MRRS, &jme->mrrs); + jme->mrrs &= PCI_DCSR_MRRS_MASK; + switch (jme->mrrs) { + case MRRS_128B: + jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_128B; + break; + case MRRS_256B: + jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_256B; + break; + default: + jme->reg_txcs = TXCS_DEFAULT | TXCS_DMASIZE_512B; + break; + }; + + /* + * Must check before reset_mac_processor + */ + jme_check_hw_ver(jme); + jme->mii_if.dev = netdev; + if (jme->fpgaver) { + jme->mii_if.phy_id = 0; + for (i = 1 ; i < 32 ; ++i) { + bmcr = jme_mdio_read(netdev, i, MII_BMCR); + bmsr = jme_mdio_read(netdev, i, MII_BMSR); + if (bmcr != 0xFFFFU && (bmcr != 0 || bmsr != 0)) { + jme->mii_if.phy_id = i; + break; + } + } + + if (!jme->mii_if.phy_id) { + rc = -EIO; + jeprintk(pdev, "Can not find phy_id.\n"); + goto err_out_free_shadow; + } + + jme->reg_ghc |= GHC_LINK_POLL; + } else { + jme->mii_if.phy_id = 1; + } + if (pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) + jme->mii_if.supports_gmii = true; + else + jme->mii_if.supports_gmii = false; + jme->mii_if.mdio_read = jme_mdio_read; + jme->mii_if.mdio_write = jme_mdio_write; + + jme_clear_pm(jme); + jme_set_phyfifoa(jme); + pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev); + if (!jme->fpgaver) + jme_phy_init(jme); + jme_phy_off(jme); + + /* + * Reset MAC processor and reload EEPROM for MAC Address + */ + jme_reset_mac_processor(jme); + rc = jme_reload_eeprom(jme); + if (rc) { + jeprintk(pdev, + "Reload eeprom for reading MAC Address error.\n"); + goto err_out_free_shadow; + } + jme_load_macaddr(netdev); + + /* + * Tell stack that we are not ready to work until open() + */ + netif_carrier_off(netdev); + netif_stop_queue(netdev); + + /* + * Register netdev + */ + rc = register_netdev(netdev); + if (rc) { + jeprintk(pdev, "Cannot register net device.\n"); + goto err_out_free_shadow; + } + + msg_probe(jme, + "JMC250 gigabit%s ver:%x rev:%x " + "macaddr:%02x:%02x:%02x:%02x:%02x:%02x\n", + (jme->fpgaver != 0) ? " (FPGA)" : "", + (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, + jme->rev, + netdev->dev_addr[0], + netdev->dev_addr[1], + netdev->dev_addr[2], + netdev->dev_addr[3], + netdev->dev_addr[4], + netdev->dev_addr[5]); + + return 0; + +err_out_free_shadow: + pci_free_consistent(pdev, + sizeof(u32) * SHADOW_REG_NR, + jme->shadow_regs, + jme->shadow_dma); +err_out_unmap: + iounmap(jme->regs); +err_out_free_netdev: + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); +err_out_release_regions: + pci_release_regions(pdev); +err_out_disable_pdev: + pci_disable_device(pdev); +err_out: + return rc; +} + +static void __devexit +jme_remove_one(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct jme_adapter *jme = netdev_priv(netdev); + + unregister_netdev(netdev); + pci_free_consistent(pdev, + sizeof(u32) * SHADOW_REG_NR, + jme->shadow_regs, + jme->shadow_dma); + iounmap(jme->regs); + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); + pci_release_regions(pdev); + pci_disable_device(pdev); + +} + +static int +jme_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct jme_adapter *jme = netdev_priv(netdev); + + atomic_dec(&jme->link_changing); + + netif_device_detach(netdev); + netif_stop_queue(netdev); + jme_stop_irq(jme); + + tasklet_disable(&jme->txclean_task); + tasklet_disable(&jme->rxclean_task); + tasklet_disable(&jme->rxempty_task); + + jme_disable_shadow(jme); + + if (netif_carrier_ok(netdev)) { + if (test_bit(JME_FLAG_POLL, &jme->flags)) + jme_polling_mode(jme); + + jme_stop_pcc_timer(jme); + jme_reset_ghc_speed(jme); + jme_disable_rx_engine(jme); + jme_disable_tx_engine(jme); + jme_reset_mac_processor(jme); + jme_free_rx_resources(jme); + jme_free_tx_resources(jme); + netif_carrier_off(netdev); + jme->phylink = 0; + } + + tasklet_enable(&jme->txclean_task); + tasklet_hi_enable(&jme->rxclean_task); + tasklet_hi_enable(&jme->rxempty_task); + + pci_save_state(pdev); + if (jme->reg_pmcs) { + jme_set_100m_half(jme); + + if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN)) + jme_wait_link(jme); + + jwrite32(jme, JME_PMCS, jme->reg_pmcs); + + pci_enable_wake(pdev, PCI_D3cold, true); + } else { + jme_phy_off(jme); + } + pci_set_power_state(pdev, PCI_D3cold); + + return 0; +} + +static int +jme_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct jme_adapter *jme = netdev_priv(netdev); + + jme_clear_pm(jme); + pci_restore_state(pdev); + + if (test_bit(JME_FLAG_SSET, &jme->flags)) + jme_set_settings(netdev, &jme->old_ecmd); + else + jme_reset_phy_processor(jme); + + jme_enable_shadow(jme); + jme_start_irq(jme); + netif_device_attach(netdev); + + atomic_inc(&jme->link_changing); + + jme_reset_link(jme); + + return 0; +} + +static struct pci_device_id jme_pci_tbl[] = { + { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC250) }, + { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMC260) }, + { } +}; + +static struct pci_driver jme_driver = { + .name = DRV_NAME, + .id_table = jme_pci_tbl, + .probe = jme_init_one, + .remove = __devexit_p(jme_remove_one), +#ifdef CONFIG_PM + .suspend = jme_suspend, + .resume = jme_resume, +#endif /* CONFIG_PM */ +}; + +static int __init +jme_init_module(void) +{ + printk(KERN_INFO PFX "JMicron JMC250 gigabit ethernet " + "driver version %s\n", DRV_VERSION); + return pci_register_driver(&jme_driver); +} + +static void __exit +jme_cleanup_module(void) +{ + pci_unregister_driver(&jme_driver); +} + +module_init(jme_init_module); +module_exit(jme_cleanup_module); + +MODULE_AUTHOR("Guo-Fu Tseng "); +MODULE_DESCRIPTION("JMicron JMC2x0 PCI Express Ethernet driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); +MODULE_DEVICE_TABLE(pci, jme_pci_tbl); + diff --git a/drivers/net/jme.h b/drivers/net/jme.h new file mode 100644 index 000000000000..b29688431a6d --- /dev/null +++ b/drivers/net/jme.h @@ -0,0 +1,1199 @@ +/* + * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver + * + * Copyright 2008 JMicron Technology Corporation + * http://www.jmicron.com/ + * + * Author: Guo-Fu Tseng + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __JME_H_INCLUDED__ +#define __JME_H_INCLUDEE__ + +#define DRV_NAME "jme" +#define DRV_VERSION "1.0.2" +#define PFX DRV_NAME ": " + +#define PCI_DEVICE_ID_JMICRON_JMC250 0x0250 +#define PCI_DEVICE_ID_JMICRON_JMC260 0x0260 + +/* + * Message related definitions + */ +#define JME_DEF_MSG_ENABLE \ + (NETIF_MSG_PROBE | \ + NETIF_MSG_LINK | \ + NETIF_MSG_RX_ERR | \ + NETIF_MSG_TX_ERR | \ + NETIF_MSG_HW) + +#define jeprintk(pdev, fmt, args...) \ + printk(KERN_ERR PFX fmt, ## args) + +#ifdef TX_DEBUG +#define tx_dbg(priv, fmt, args...) \ + printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ## args) +#else +#define tx_dbg(priv, fmt, args...) +#endif + +#define jme_msg(msglvl, type, priv, fmt, args...) \ + if (netif_msg_##type(priv)) \ + printk(msglvl "%s: " fmt, (priv)->dev->name, ## args) + +#define msg_probe(priv, fmt, args...) \ + jme_msg(KERN_INFO, probe, priv, fmt, ## args) + +#define msg_link(priv, fmt, args...) \ + jme_msg(KERN_INFO, link, priv, fmt, ## args) + +#define msg_intr(priv, fmt, args...) \ + jme_msg(KERN_INFO, intr, priv, fmt, ## args) + +#define msg_rx_err(priv, fmt, args...) \ + jme_msg(KERN_ERR, rx_err, priv, fmt, ## args) + +#define msg_rx_status(priv, fmt, args...) \ + jme_msg(KERN_INFO, rx_status, priv, fmt, ## args) + +#define msg_tx_err(priv, fmt, args...) \ + jme_msg(KERN_ERR, tx_err, priv, fmt, ## args) + +#define msg_tx_done(priv, fmt, args...) \ + jme_msg(KERN_INFO, tx_done, priv, fmt, ## args) + +#define msg_tx_queued(priv, fmt, args...) \ + jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args) + +#define msg_hw(priv, fmt, args...) \ + jme_msg(KERN_ERR, hw, priv, fmt, ## args) + +/* + * Extra PCI Configuration space interface + */ +#define PCI_DCSR_MRRS 0x59 +#define PCI_DCSR_MRRS_MASK 0x70 + +enum pci_dcsr_mrrs_vals { + MRRS_128B = 0x00, + MRRS_256B = 0x10, + MRRS_512B = 0x20, + MRRS_1024B = 0x30, + MRRS_2048B = 0x40, + MRRS_4096B = 0x50, +}; + +#define PCI_SPI 0xB0 + +enum pci_spi_bits { + SPI_EN = 0x10, + SPI_MISO = 0x08, + SPI_MOSI = 0x04, + SPI_SCLK = 0x02, + SPI_CS = 0x01, +}; + +struct jme_spi_op { + void __user *uwbuf; + void __user *urbuf; + __u8 wn; /* Number of write actions */ + __u8 rn; /* Number of read actions */ + __u8 bitn; /* Number of bits per action */ + __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/ + __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */ + + /* Internal use only */ + u8 *kwbuf; + u8 *krbuf; + u8 sr; + u16 halfclk; /* Half of clock cycle calculated from spd, in ns */ +}; + +enum jme_spi_op_bits { + SPI_MODE_CPHA = 0x01, + SPI_MODE_CPOL = 0x02, + SPI_MODE_DUP = 0x80, +}; + +#define HALF_US 500 /* 500 ns */ +#define JMESPIIOCTL SIOCDEVPRIVATE + +/* + * Dynamic(adaptive)/Static PCC values + */ +enum dynamic_pcc_values { + PCC_OFF = 0, + PCC_P1 = 1, + PCC_P2 = 2, + PCC_P3 = 3, + + PCC_OFF_TO = 0, + PCC_P1_TO = 1, + PCC_P2_TO = 64, + PCC_P3_TO = 128, + + PCC_OFF_CNT = 0, + PCC_P1_CNT = 1, + PCC_P2_CNT = 16, + PCC_P3_CNT = 32, +}; +struct dynpcc_info { + unsigned long last_bytes; + unsigned long last_pkts; + unsigned long intr_cnt; + unsigned char cur; + unsigned char attempt; + unsigned char cnt; +}; +#define PCC_INTERVAL_US 100000 +#define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US)) +#define PCC_P3_THRESHOLD (2 * 1024 * 1024) +#define PCC_P2_THRESHOLD 800 +#define PCC_INTR_THRESHOLD 800 +#define PCC_TX_TO 1000 +#define PCC_TX_CNT 8 + +/* + * TX/RX Descriptors + * + * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024 + */ +#define RING_DESC_ALIGN 16 /* Descriptor alignment */ +#define TX_DESC_SIZE 16 +#define TX_RING_NR 8 +#define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN) + +struct txdesc { + union { + __u8 all[16]; + __le32 dw[4]; + struct { + /* DW0 */ + __le16 vlan; + __u8 rsv1; + __u8 flags; + + /* DW1 */ + __le16 datalen; + __le16 mss; + + /* DW2 */ + __le16 pktsize; + __le16 rsv2; + + /* DW3 */ + __le32 bufaddr; + } desc1; + struct { + /* DW0 */ + __le16 rsv1; + __u8 rsv2; + __u8 flags; + + /* DW1 */ + __le16 datalen; + __le16 rsv3; + + /* DW2 */ + __le32 bufaddrh; + + /* DW3 */ + __le32 bufaddrl; + } desc2; + struct { + /* DW0 */ + __u8 ehdrsz; + __u8 rsv1; + __u8 rsv2; + __u8 flags; + + /* DW1 */ + __le16 trycnt; + __le16 segcnt; + + /* DW2 */ + __le16 pktsz; + __le16 rsv3; + + /* DW3 */ + __le32 bufaddrl; + } descwb; + }; +}; + +enum jme_txdesc_flags_bits { + TXFLAG_OWN = 0x80, + TXFLAG_INT = 0x40, + TXFLAG_64BIT = 0x20, + TXFLAG_TCPCS = 0x10, + TXFLAG_UDPCS = 0x08, + TXFLAG_IPCS = 0x04, + TXFLAG_LSEN = 0x02, + TXFLAG_TAGON = 0x01, +}; + +#define TXDESC_MSS_SHIFT 2 +enum jme_rxdescwb_flags_bits { + TXWBFLAG_OWN = 0x80, + TXWBFLAG_INT = 0x40, + TXWBFLAG_TMOUT = 0x20, + TXWBFLAG_TRYOUT = 0x10, + TXWBFLAG_COL = 0x08, + + TXWBFLAG_ALLERR = TXWBFLAG_TMOUT | + TXWBFLAG_TRYOUT | + TXWBFLAG_COL, +}; + +#define RX_DESC_SIZE 16 +#define RX_RING_NR 4 +#define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN) +#define RX_BUF_DMA_ALIGN 8 +#define RX_PREPAD_SIZE 10 +#define ETH_CRC_LEN 2 +#define RX_VLANHDR_LEN 2 +#define RX_EXTRA_LEN (RX_PREPAD_SIZE + \ + ETH_HLEN + \ + ETH_CRC_LEN + \ + RX_VLANHDR_LEN + \ + RX_BUF_DMA_ALIGN) + +struct rxdesc { + union { + __u8 all[16]; + __le32 dw[4]; + struct { + /* DW0 */ + __le16 rsv2; + __u8 rsv1; + __u8 flags; + + /* DW1 */ + __le16 datalen; + __le16 wbcpl; + + /* DW2 */ + __le32 bufaddrh; + + /* DW3 */ + __le32 bufaddrl; + } desc1; + struct { + /* DW0 */ + __le16 vlan; + __le16 flags; + + /* DW1 */ + __le16 framesize; + __u8 errstat; + __u8 desccnt; + + /* DW2 */ + __le32 rsshash; + + /* DW3 */ + __u8 hashfun; + __u8 hashtype; + __le16 resrv; + } descwb; + }; +}; + +enum jme_rxdesc_flags_bits { + RXFLAG_OWN = 0x80, + RXFLAG_INT = 0x40, + RXFLAG_64BIT = 0x20, +}; + +enum jme_rxwbdesc_flags_bits { + RXWBFLAG_OWN = 0x8000, + RXWBFLAG_INT = 0x4000, + RXWBFLAG_MF = 0x2000, + RXWBFLAG_64BIT = 0x2000, + RXWBFLAG_TCPON = 0x1000, + RXWBFLAG_UDPON = 0x0800, + RXWBFLAG_IPCS = 0x0400, + RXWBFLAG_TCPCS = 0x0200, + RXWBFLAG_UDPCS = 0x0100, + RXWBFLAG_TAGON = 0x0080, + RXWBFLAG_IPV4 = 0x0040, + RXWBFLAG_IPV6 = 0x0020, + RXWBFLAG_PAUSE = 0x0010, + RXWBFLAG_MAGIC = 0x0008, + RXWBFLAG_WAKEUP = 0x0004, + RXWBFLAG_DEST = 0x0003, + RXWBFLAG_DEST_UNI = 0x0001, + RXWBFLAG_DEST_MUL = 0x0002, + RXWBFLAG_DEST_BRO = 0x0003, +}; + +enum jme_rxwbdesc_desccnt_mask { + RXWBDCNT_WBCPL = 0x80, + RXWBDCNT_DCNT = 0x7F, +}; + +enum jme_rxwbdesc_errstat_bits { + RXWBERR_LIMIT = 0x80, + RXWBERR_MIIER = 0x40, + RXWBERR_NIBON = 0x20, + RXWBERR_COLON = 0x10, + RXWBERR_ABORT = 0x08, + RXWBERR_SHORT = 0x04, + RXWBERR_OVERUN = 0x02, + RXWBERR_CRCERR = 0x01, + RXWBERR_ALLERR = 0xFF, +}; + +/* + * Buffer information corresponding to ring descriptors. + */ +struct jme_buffer_info { + struct sk_buff *skb; + dma_addr_t mapping; + int len; + int nr_desc; + unsigned long start_xmit; +}; + +/* + * The structure holding buffer information and ring descriptors all together. + */ +#define MAX_RING_DESC_NR 1024 +struct jme_ring { + void *alloc; /* pointer to allocated memory */ + void *desc; /* pointer to ring memory */ + dma_addr_t dmaalloc; /* phys address of ring alloc */ + dma_addr_t dma; /* phys address for ring dma */ + + /* Buffer information corresponding to each descriptor */ + struct jme_buffer_info bufinf[MAX_RING_DESC_NR]; + + int next_to_use; + atomic_t next_to_clean; + atomic_t nr_free; +}; + +#define NET_STAT(priv) (priv->dev->stats) +#define NETDEV_GET_STATS(netdev, fun_ptr) +#define DECLARE_NET_DEVICE_STATS + +#define DECLARE_NAPI_STRUCT struct napi_struct napi; +#define NETIF_NAPI_SET(dev, napis, pollfn, q) \ + netif_napi_add(dev, napis, pollfn, q); +#define JME_NAPI_HOLDER(holder) struct napi_struct *holder +#define JME_NAPI_WEIGHT(w) int w +#define JME_NAPI_WEIGHT_VAL(w) w +#define JME_NAPI_WEIGHT_SET(w, r) +#define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev, napis) +#define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi); +#define JME_NAPI_DISABLE(priv) \ + if (!napi_disable_pending(&priv->napi)) \ + napi_disable(&priv->napi); +#define JME_RX_SCHEDULE_PREP(priv) \ + netif_rx_schedule_prep(priv->dev, &priv->napi) +#define JME_RX_SCHEDULE(priv) \ + __netif_rx_schedule(priv->dev, &priv->napi); + +/* + * Jmac Adapter Private data + */ +#define SHADOW_REG_NR 8 +struct jme_adapter { + struct pci_dev *pdev; + struct net_device *dev; + void __iomem *regs; + dma_addr_t shadow_dma; + u32 *shadow_regs; + struct mii_if_info mii_if; + struct jme_ring rxring[RX_RING_NR]; + struct jme_ring txring[TX_RING_NR]; + spinlock_t phy_lock; + spinlock_t macaddr_lock; + spinlock_t rxmcs_lock; + struct tasklet_struct rxempty_task; + struct tasklet_struct rxclean_task; + struct tasklet_struct txclean_task; + struct tasklet_struct linkch_task; + struct tasklet_struct pcc_task; + unsigned long flags; + u32 reg_txcs; + u32 reg_txpfc; + u32 reg_rxcs; + u32 reg_rxmcs; + u32 reg_ghc; + u32 reg_pmcs; + u32 phylink; + u32 tx_ring_size; + u32 tx_ring_mask; + u32 tx_wake_threshold; + u32 rx_ring_size; + u32 rx_ring_mask; + u8 mrrs; + unsigned int fpgaver; + unsigned int chiprev; + u8 rev; + u32 msg_enable; + struct ethtool_cmd old_ecmd; + unsigned int old_mtu; + struct vlan_group *vlgrp; + struct dynpcc_info dpi; + atomic_t intr_sem; + atomic_t link_changing; + atomic_t tx_cleaning; + atomic_t rx_cleaning; + atomic_t rx_empty; + int (*jme_rx)(struct sk_buff *skb); + int (*jme_vlan_rx)(struct sk_buff *skb, + struct vlan_group *grp, + unsigned short vlan_tag); + DECLARE_NAPI_STRUCT + DECLARE_NET_DEVICE_STATS +}; + +enum shadow_reg_val { + SHADOW_IEVE = 0, +}; + +enum jme_flags_bits { + JME_FLAG_MSI = 1, + JME_FLAG_SSET = 2, + JME_FLAG_TXCSUM = 3, + JME_FLAG_TSO = 4, + JME_FLAG_POLL = 5, + JME_FLAG_SHUTDOWN = 6, +}; + +#define TX_TIMEOUT (5 * HZ) +#define JME_REG_LEN 0x500 +#define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216 + +static inline struct jme_adapter* +jme_napi_priv(struct napi_struct *napi) +{ + struct jme_adapter *jme; + jme = container_of(napi, struct jme_adapter, napi); + return jme; +} + +/* + * MMaped I/O Resters + */ +enum jme_iomap_offsets { + JME_MAC = 0x0000, + JME_PHY = 0x0400, + JME_MISC = 0x0800, + JME_RSS = 0x0C00, +}; + +enum jme_iomap_lens { + JME_MAC_LEN = 0x80, + JME_PHY_LEN = 0x58, + JME_MISC_LEN = 0x98, + JME_RSS_LEN = 0xFF, +}; + +enum jme_iomap_regs { + JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */ + JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */ + JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */ + JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */ + JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */ + JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */ + JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */ + JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */ + + JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */ + JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */ + JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */ + JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */ + JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */ + JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */ + JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */ + JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */ + JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */ + JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */ + JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */ + JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */ + + JME_SMI = JME_MAC | 0x50, /* Station Management Interface */ + JME_GHC = JME_MAC | 0x54, /* Global Host Control */ + JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */ + + + JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */ + JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */ + JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */ + JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */ + + + JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */ + JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */ + JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */ + JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */ + JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */ + JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */ + JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */ + JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */ + JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */ + JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */ + JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */ + JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */ + JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */ + JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */ + JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */ + JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */ +}; + +/* + * TX Control/Status Bits + */ +enum jme_txcs_bits { + TXCS_QUEUE7S = 0x00008000, + TXCS_QUEUE6S = 0x00004000, + TXCS_QUEUE5S = 0x00002000, + TXCS_QUEUE4S = 0x00001000, + TXCS_QUEUE3S = 0x00000800, + TXCS_QUEUE2S = 0x00000400, + TXCS_QUEUE1S = 0x00000200, + TXCS_QUEUE0S = 0x00000100, + TXCS_FIFOTH = 0x000000C0, + TXCS_DMASIZE = 0x00000030, + TXCS_BURST = 0x00000004, + TXCS_ENABLE = 0x00000001, +}; + +enum jme_txcs_value { + TXCS_FIFOTH_16QW = 0x000000C0, + TXCS_FIFOTH_12QW = 0x00000080, + TXCS_FIFOTH_8QW = 0x00000040, + TXCS_FIFOTH_4QW = 0x00000000, + + TXCS_DMASIZE_64B = 0x00000000, + TXCS_DMASIZE_128B = 0x00000010, + TXCS_DMASIZE_256B = 0x00000020, + TXCS_DMASIZE_512B = 0x00000030, + + TXCS_SELECT_QUEUE0 = 0x00000000, + TXCS_SELECT_QUEUE1 = 0x00010000, + TXCS_SELECT_QUEUE2 = 0x00020000, + TXCS_SELECT_QUEUE3 = 0x00030000, + TXCS_SELECT_QUEUE4 = 0x00040000, + TXCS_SELECT_QUEUE5 = 0x00050000, + TXCS_SELECT_QUEUE6 = 0x00060000, + TXCS_SELECT_QUEUE7 = 0x00070000, + + TXCS_DEFAULT = TXCS_FIFOTH_4QW | + TXCS_BURST, +}; + +#define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */ + +/* + * TX MAC Control/Status Bits + */ +enum jme_txmcs_bit_masks { + TXMCS_IFG2 = 0xC0000000, + TXMCS_IFG1 = 0x30000000, + TXMCS_TTHOLD = 0x00000300, + TXMCS_FBURST = 0x00000080, + TXMCS_CARRIEREXT = 0x00000040, + TXMCS_DEFER = 0x00000020, + TXMCS_BACKOFF = 0x00000010, + TXMCS_CARRIERSENSE = 0x00000008, + TXMCS_COLLISION = 0x00000004, + TXMCS_CRC = 0x00000002, + TXMCS_PADDING = 0x00000001, +}; + +enum jme_txmcs_values { + TXMCS_IFG2_6_4 = 0x00000000, + TXMCS_IFG2_8_5 = 0x40000000, + TXMCS_IFG2_10_6 = 0x80000000, + TXMCS_IFG2_12_7 = 0xC0000000, + + TXMCS_IFG1_8_4 = 0x00000000, + TXMCS_IFG1_12_6 = 0x10000000, + TXMCS_IFG1_16_8 = 0x20000000, + TXMCS_IFG1_20_10 = 0x30000000, + + TXMCS_TTHOLD_1_8 = 0x00000000, + TXMCS_TTHOLD_1_4 = 0x00000100, + TXMCS_TTHOLD_1_2 = 0x00000200, + TXMCS_TTHOLD_FULL = 0x00000300, + + TXMCS_DEFAULT = TXMCS_IFG2_8_5 | + TXMCS_IFG1_16_8 | + TXMCS_TTHOLD_FULL | + TXMCS_DEFER | + TXMCS_CRC | + TXMCS_PADDING, +}; + +enum jme_txpfc_bits_masks { + TXPFC_VLAN_TAG = 0xFFFF0000, + TXPFC_VLAN_EN = 0x00008000, + TXPFC_PF_EN = 0x00000001, +}; + +enum jme_txtrhd_bits_masks { + TXTRHD_TXPEN = 0x80000000, + TXTRHD_TXP = 0x7FFFFF00, + TXTRHD_TXREN = 0x00000080, + TXTRHD_TXRL = 0x0000007F, +}; + +enum jme_txtrhd_shifts { + TXTRHD_TXP_SHIFT = 8, + TXTRHD_TXRL_SHIFT = 0, +}; + +/* + * RX Control/Status Bits + */ +enum jme_rxcs_bit_masks { + /* FIFO full threshold for transmitting Tx Pause Packet */ + RXCS_FIFOTHTP = 0x30000000, + /* FIFO threshold for processing next packet */ + RXCS_FIFOTHNP = 0x0C000000, + RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */ + RXCS_QUEUESEL = 0x00030000, /* Queue selection */ + RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */ + RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */ + RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */ + RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */ + RXCS_SHORT = 0x00000010, /* Enable receive short packet */ + RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */ + RXCS_QST = 0x00000004, /* Receive queue start */ + RXCS_SUSPEND = 0x00000002, + RXCS_ENABLE = 0x00000001, +}; + +enum jme_rxcs_values { + RXCS_FIFOTHTP_16T = 0x00000000, + RXCS_FIFOTHTP_32T = 0x10000000, + RXCS_FIFOTHTP_64T = 0x20000000, + RXCS_FIFOTHTP_128T = 0x30000000, + + RXCS_FIFOTHNP_16QW = 0x00000000, + RXCS_FIFOTHNP_32QW = 0x04000000, + RXCS_FIFOTHNP_64QW = 0x08000000, + RXCS_FIFOTHNP_128QW = 0x0C000000, + + RXCS_DMAREQSZ_16B = 0x00000000, + RXCS_DMAREQSZ_32B = 0x01000000, + RXCS_DMAREQSZ_64B = 0x02000000, + RXCS_DMAREQSZ_128B = 0x03000000, + + RXCS_QUEUESEL_Q0 = 0x00000000, + RXCS_QUEUESEL_Q1 = 0x00010000, + RXCS_QUEUESEL_Q2 = 0x00020000, + RXCS_QUEUESEL_Q3 = 0x00030000, + + RXCS_RETRYGAP_256ns = 0x00000000, + RXCS_RETRYGAP_512ns = 0x00001000, + RXCS_RETRYGAP_1024ns = 0x00002000, + RXCS_RETRYGAP_2048ns = 0x00003000, + RXCS_RETRYGAP_4096ns = 0x00004000, + RXCS_RETRYGAP_8192ns = 0x00005000, + RXCS_RETRYGAP_16384ns = 0x00006000, + RXCS_RETRYGAP_32768ns = 0x00007000, + + RXCS_RETRYCNT_0 = 0x00000000, + RXCS_RETRYCNT_4 = 0x00000100, + RXCS_RETRYCNT_8 = 0x00000200, + RXCS_RETRYCNT_12 = 0x00000300, + RXCS_RETRYCNT_16 = 0x00000400, + RXCS_RETRYCNT_20 = 0x00000500, + RXCS_RETRYCNT_24 = 0x00000600, + RXCS_RETRYCNT_28 = 0x00000700, + RXCS_RETRYCNT_32 = 0x00000800, + RXCS_RETRYCNT_36 = 0x00000900, + RXCS_RETRYCNT_40 = 0x00000A00, + RXCS_RETRYCNT_44 = 0x00000B00, + RXCS_RETRYCNT_48 = 0x00000C00, + RXCS_RETRYCNT_52 = 0x00000D00, + RXCS_RETRYCNT_56 = 0x00000E00, + RXCS_RETRYCNT_60 = 0x00000F00, + + RXCS_DEFAULT = RXCS_FIFOTHTP_128T | + RXCS_FIFOTHNP_128QW | + RXCS_DMAREQSZ_128B | + RXCS_RETRYGAP_256ns | + RXCS_RETRYCNT_32, +}; + +#define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */ + +/* + * RX MAC Control/Status Bits + */ +enum jme_rxmcs_bits { + RXMCS_ALLFRAME = 0x00000800, + RXMCS_BRDFRAME = 0x00000400, + RXMCS_MULFRAME = 0x00000200, + RXMCS_UNIFRAME = 0x00000100, + RXMCS_ALLMULFRAME = 0x00000080, + RXMCS_MULFILTERED = 0x00000040, + RXMCS_RXCOLLDEC = 0x00000020, + RXMCS_FLOWCTRL = 0x00000008, + RXMCS_VTAGRM = 0x00000004, + RXMCS_PREPAD = 0x00000002, + RXMCS_CHECKSUM = 0x00000001, + + RXMCS_DEFAULT = RXMCS_VTAGRM | + RXMCS_PREPAD | + RXMCS_FLOWCTRL | + RXMCS_CHECKSUM, +}; + +/* + * Wakeup Frame setup interface registers + */ +#define WAKEUP_FRAME_NR 8 +#define WAKEUP_FRAME_MASK_DWNR 4 + +enum jme_wfoi_bit_masks { + WFOI_MASK_SEL = 0x00000070, + WFOI_CRC_SEL = 0x00000008, + WFOI_FRAME_SEL = 0x00000007, +}; + +enum jme_wfoi_shifts { + WFOI_MASK_SHIFT = 4, +}; + +/* + * SMI Related definitions + */ +enum jme_smi_bit_mask { + SMI_DATA_MASK = 0xFFFF0000, + SMI_REG_ADDR_MASK = 0x0000F800, + SMI_PHY_ADDR_MASK = 0x000007C0, + SMI_OP_WRITE = 0x00000020, + /* Set to 1, after req done it'll be cleared to 0 */ + SMI_OP_REQ = 0x00000010, + SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */ + SMI_OP_MDOE = 0x00000004, /* Software Output Enable */ + SMI_OP_MDC = 0x00000002, /* Software CLK Control */ + SMI_OP_MDEN = 0x00000001, /* Software access Enable */ +}; + +enum jme_smi_bit_shift { + SMI_DATA_SHIFT = 16, + SMI_REG_ADDR_SHIFT = 11, + SMI_PHY_ADDR_SHIFT = 6, +}; + +static inline u32 smi_reg_addr(int x) +{ + return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK; +} + +static inline u32 smi_phy_addr(int x) +{ + return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK; +} + +#define JME_PHY_TIMEOUT 100 /* 100 msec */ +#define JME_PHY_REG_NR 32 + +/* + * Global Host Control + */ +enum jme_ghc_bit_mask { + GHC_SWRST = 0x40000000, + GHC_DPX = 0x00000040, + GHC_SPEED = 0x00000030, + GHC_LINK_POLL = 0x00000001, +}; + +enum jme_ghc_speed_val { + GHC_SPEED_10M = 0x00000010, + GHC_SPEED_100M = 0x00000020, + GHC_SPEED_1000M = 0x00000030, +}; + +/* + * Power management control and status register + */ +enum jme_pmcs_bit_masks { + PMCS_WF7DET = 0x80000000, + PMCS_WF6DET = 0x40000000, + PMCS_WF5DET = 0x20000000, + PMCS_WF4DET = 0x10000000, + PMCS_WF3DET = 0x08000000, + PMCS_WF2DET = 0x04000000, + PMCS_WF1DET = 0x02000000, + PMCS_WF0DET = 0x01000000, + PMCS_LFDET = 0x00040000, + PMCS_LRDET = 0x00020000, + PMCS_MFDET = 0x00010000, + PMCS_WF7EN = 0x00008000, + PMCS_WF6EN = 0x00004000, + PMCS_WF5EN = 0x00002000, + PMCS_WF4EN = 0x00001000, + PMCS_WF3EN = 0x00000800, + PMCS_WF2EN = 0x00000400, + PMCS_WF1EN = 0x00000200, + PMCS_WF0EN = 0x00000100, + PMCS_LFEN = 0x00000004, + PMCS_LREN = 0x00000002, + PMCS_MFEN = 0x00000001, +}; + +/* + * Giga PHY Status Registers + */ +enum jme_phy_link_bit_mask { + PHY_LINK_SPEED_MASK = 0x0000C000, + PHY_LINK_DUPLEX = 0x00002000, + PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800, + PHY_LINK_UP = 0x00000400, + PHY_LINK_AUTONEG_COMPLETE = 0x00000200, + PHY_LINK_MDI_STAT = 0x00000040, +}; + +enum jme_phy_link_speed_val { + PHY_LINK_SPEED_10M = 0x00000000, + PHY_LINK_SPEED_100M = 0x00004000, + PHY_LINK_SPEED_1000M = 0x00008000, +}; + +#define JME_SPDRSV_TIMEOUT 500 /* 500 us */ + +/* + * SMB Control and Status + */ +enum jme_smbcsr_bit_mask { + SMBCSR_CNACK = 0x00020000, + SMBCSR_RELOAD = 0x00010000, + SMBCSR_EEPROMD = 0x00000020, + SMBCSR_INITDONE = 0x00000010, + SMBCSR_BUSY = 0x0000000F, +}; + +enum jme_smbintf_bit_mask { + SMBINTF_HWDATR = 0xFF000000, + SMBINTF_HWDATW = 0x00FF0000, + SMBINTF_HWADDR = 0x0000FF00, + SMBINTF_HWRWN = 0x00000020, + SMBINTF_HWCMD = 0x00000010, + SMBINTF_FASTM = 0x00000008, + SMBINTF_GPIOSCL = 0x00000004, + SMBINTF_GPIOSDA = 0x00000002, + SMBINTF_GPIOEN = 0x00000001, +}; + +enum jme_smbintf_vals { + SMBINTF_HWRWN_READ = 0x00000020, + SMBINTF_HWRWN_WRITE = 0x00000000, +}; + +enum jme_smbintf_shifts { + SMBINTF_HWDATR_SHIFT = 24, + SMBINTF_HWDATW_SHIFT = 16, + SMBINTF_HWADDR_SHIFT = 8, +}; + +#define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */ +#define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */ +#define JME_SMB_LEN 256 +#define JME_EEPROM_MAGIC 0x250 + +/* + * Timer Control/Status Register + */ +enum jme_tmcsr_bit_masks { + TMCSR_SWIT = 0x80000000, + TMCSR_EN = 0x01000000, + TMCSR_CNT = 0x00FFFFFF, +}; + +/* + * General Purpose REG-0 + */ +enum jme_gpreg0_masks { + GPREG0_DISSH = 0xFF000000, + GPREG0_PCIRLMT = 0x00300000, + GPREG0_PCCNOMUTCLR = 0x00040000, + GPREG0_LNKINTPOLL = 0x00001000, + GPREG0_PCCTMR = 0x00000300, + GPREG0_PHYADDR = 0x0000001F, +}; + +enum jme_gpreg0_vals { + GPREG0_DISSH_DW7 = 0x80000000, + GPREG0_DISSH_DW6 = 0x40000000, + GPREG0_DISSH_DW5 = 0x20000000, + GPREG0_DISSH_DW4 = 0x10000000, + GPREG0_DISSH_DW3 = 0x08000000, + GPREG0_DISSH_DW2 = 0x04000000, + GPREG0_DISSH_DW1 = 0x02000000, + GPREG0_DISSH_DW0 = 0x01000000, + GPREG0_DISSH_ALL = 0xFF000000, + + GPREG0_PCIRLMT_8 = 0x00000000, + GPREG0_PCIRLMT_6 = 0x00100000, + GPREG0_PCIRLMT_5 = 0x00200000, + GPREG0_PCIRLMT_4 = 0x00300000, + + GPREG0_PCCTMR_16ns = 0x00000000, + GPREG0_PCCTMR_256ns = 0x00000100, + GPREG0_PCCTMR_1us = 0x00000200, + GPREG0_PCCTMR_1ms = 0x00000300, + + GPREG0_PHYADDR_1 = 0x00000001, + + GPREG0_DEFAULT = GPREG0_PCIRLMT_4 | + GPREG0_PCCTMR_1us | + GPREG0_PHYADDR_1, +}; + +/* + * Interrupt Status Bits + */ +enum jme_interrupt_bits { + INTR_SWINTR = 0x80000000, + INTR_TMINTR = 0x40000000, + INTR_LINKCH = 0x20000000, + INTR_PAUSERCV = 0x10000000, + INTR_MAGICRCV = 0x08000000, + INTR_WAKERCV = 0x04000000, + INTR_PCCRX0TO = 0x02000000, + INTR_PCCRX1TO = 0x01000000, + INTR_PCCRX2TO = 0x00800000, + INTR_PCCRX3TO = 0x00400000, + INTR_PCCTXTO = 0x00200000, + INTR_PCCRX0 = 0x00100000, + INTR_PCCRX1 = 0x00080000, + INTR_PCCRX2 = 0x00040000, + INTR_PCCRX3 = 0x00020000, + INTR_PCCTX = 0x00010000, + INTR_RX3EMP = 0x00008000, + INTR_RX2EMP = 0x00004000, + INTR_RX1EMP = 0x00002000, + INTR_RX0EMP = 0x00001000, + INTR_RX3 = 0x00000800, + INTR_RX2 = 0x00000400, + INTR_RX1 = 0x00000200, + INTR_RX0 = 0x00000100, + INTR_TX7 = 0x00000080, + INTR_TX6 = 0x00000040, + INTR_TX5 = 0x00000020, + INTR_TX4 = 0x00000010, + INTR_TX3 = 0x00000008, + INTR_TX2 = 0x00000004, + INTR_TX1 = 0x00000002, + INTR_TX0 = 0x00000001, +}; + +static const u32 INTR_ENABLE = INTR_SWINTR | + INTR_TMINTR | + INTR_LINKCH | + INTR_PCCRX0TO | + INTR_PCCRX0 | + INTR_PCCTXTO | + INTR_PCCTX | + INTR_RX0EMP; + +/* + * PCC Control Registers + */ +enum jme_pccrx_masks { + PCCRXTO_MASK = 0xFFFF0000, + PCCRX_MASK = 0x0000FF00, +}; + +enum jme_pcctx_masks { + PCCTXTO_MASK = 0xFFFF0000, + PCCTX_MASK = 0x0000FF00, + PCCTX_QS_MASK = 0x000000FF, +}; + +enum jme_pccrx_shifts { + PCCRXTO_SHIFT = 16, + PCCRX_SHIFT = 8, +}; + +enum jme_pcctx_shifts { + PCCTXTO_SHIFT = 16, + PCCTX_SHIFT = 8, +}; + +enum jme_pcctx_bits { + PCCTXQ0_EN = 0x00000001, + PCCTXQ1_EN = 0x00000002, + PCCTXQ2_EN = 0x00000004, + PCCTXQ3_EN = 0x00000008, + PCCTXQ4_EN = 0x00000010, + PCCTXQ5_EN = 0x00000020, + PCCTXQ6_EN = 0x00000040, + PCCTXQ7_EN = 0x00000080, +}; + +/* + * Chip Mode Register + */ +enum jme_chipmode_bit_masks { + CM_FPGAVER_MASK = 0xFFFF0000, + CM_CHIPREV_MASK = 0x0000FF00, + CM_CHIPMODE_MASK = 0x0000000F, +}; + +enum jme_chipmode_shifts { + CM_FPGAVER_SHIFT = 16, + CM_CHIPREV_SHIFT = 8, +}; + +/* + * Shadow base address register bits + */ +enum jme_shadow_base_address_bits { + SHBA_POSTEN = 0x1, +}; + +/* + * Aggressive Power Mode Control + */ +enum jme_apmc_bits { + JME_APMC_PCIE_SD_EN = 0x40000000, + JME_APMC_PSEUDO_HP_EN = 0x20000000, + JME_APMC_EPIEN = 0x04000000, + JME_APMC_EPIEN_CTRL = 0x03000000, +}; + +enum jme_apmc_values { + JME_APMC_EPIEN_CTRL_EN = 0x02000000, + JME_APMC_EPIEN_CTRL_DIS = 0x01000000, +}; + +#define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000) + +#ifdef REG_DEBUG +static char *MAC_REG_NAME[] = { + "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC", + "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD", + "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC", + "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI", + "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI", + "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN", + "JME_PMCS"}; + +static char *PE_REG_NAME[] = { + "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN", + "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "JME_SMBCSR", "JME_SMBINTF"}; + +static char *MISC_REG_NAME[] = { + "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1", + "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC", + "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3", + "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO", + "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", + "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC", + "JME_PCCSRX0"}; + +static inline void reg_dbg(const struct jme_adapter *jme, + const char *msg, u32 val, u32 reg) +{ + const char *regname; + switch (reg & 0xF00) { + case 0x000: + regname = MAC_REG_NAME[(reg & 0xFF) >> 2]; + break; + case 0x400: + regname = PE_REG_NAME[(reg & 0xFF) >> 2]; + break; + case 0x800: + regname = MISC_REG_NAME[(reg & 0xFF) >> 2]; + break; + default: + regname = PE_REG_NAME[0]; + } + printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name, + msg, val, regname); +} +#else +static inline void reg_dbg(const struct jme_adapter *jme, + const char *msg, u32 val, u32 reg) {} +#endif + +/* + * Read/Write MMaped I/O Registers + */ +static inline u32 jread32(struct jme_adapter *jme, u32 reg) +{ + return readl(jme->regs + reg); +} + +static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val) +{ + reg_dbg(jme, "REG WRITE", val, reg); + writel(val, jme->regs + reg); + reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); +} + +static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val) +{ + /* + * Read after write should cause flush + */ + reg_dbg(jme, "REG WRITE FLUSH", val, reg); + writel(val, jme->regs + reg); + readl(jme->regs + reg); + reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); +} + +/* + * PHY Regs + */ +enum jme_phy_reg17_bit_masks { + PREG17_SPEED = 0xC000, + PREG17_DUPLEX = 0x2000, + PREG17_SPDRSV = 0x0800, + PREG17_LNKUP = 0x0400, + PREG17_MDI = 0x0040, +}; + +enum jme_phy_reg17_vals { + PREG17_SPEED_10M = 0x0000, + PREG17_SPEED_100M = 0x4000, + PREG17_SPEED_1000M = 0x8000, +}; + +#define BMSR_ANCOMP 0x0020 + +/* + * Workaround + */ +static inline int is_buggy250(unsigned short device, unsigned int chiprev) +{ + return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11; +} + +/* + * Function prototypes + */ +static int jme_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd); +static void jme_set_multi(struct net_device *netdev); + +#endif -- GitLab From c4e84bde1d595d857d3c74b49b9c45cc770df792 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Thu, 18 Sep 2008 11:56:28 -0400 Subject: [PATCH 1880/6244] qlge: New Qlogic 10Gb Ethernet Driver. Signed-off-by: Ron Mercer Signed-off-by: Jeff Garzik --- Documentation/networking/LICENSE.qlge | 46 + MAINTAINERS | 7 + drivers/net/Kconfig | 9 + drivers/net/Makefile | 1 + drivers/net/qlge/Makefile | 7 + drivers/net/qlge/qlge.h | 1593 ++++++++++ drivers/net/qlge/qlge_dbg.c | 858 ++++++ drivers/net/qlge/qlge_ethtool.c | 415 +++ drivers/net/qlge/qlge_main.c | 3954 +++++++++++++++++++++++++ drivers/net/qlge/qlge_mpi.c | 150 + 10 files changed, 7040 insertions(+) create mode 100644 Documentation/networking/LICENSE.qlge create mode 100644 drivers/net/qlge/Makefile create mode 100644 drivers/net/qlge/qlge.h create mode 100644 drivers/net/qlge/qlge_dbg.c create mode 100644 drivers/net/qlge/qlge_ethtool.c create mode 100644 drivers/net/qlge/qlge_main.c create mode 100644 drivers/net/qlge/qlge_mpi.c diff --git a/Documentation/networking/LICENSE.qlge b/Documentation/networking/LICENSE.qlge new file mode 100644 index 000000000000..123b6edd7f18 --- /dev/null +++ b/Documentation/networking/LICENSE.qlge @@ -0,0 +1,46 @@ +Copyright (c) 2003-2008 QLogic Corporation +QLogic Linux Networking HBA Driver + +This program includes a device driver for Linux 2.6 that may be +distributed with QLogic hardware specific firmware binary file. +You may modify and redistribute the device driver code under the +GNU General Public License as published by the Free Software +Foundation (version 2 or a later version). + +You may redistribute the hardware specific firmware binary file +under the following terms: + + 1. Redistribution of source code (only if applicable), + must retain the above copyright notice, this list of + conditions and the following disclaimer. + + 2. Redistribution in binary form must reproduce the above + copyright notice, this list of conditions and the + following disclaimer in the documentation and/or other + materials provided with the distribution. + + 3. The name of QLogic Corporation may not be used to + endorse or promote products derived from this software + without specific prior written permission + +REGARDLESS OF WHAT LICENSING MECHANISM IS USED OR APPLICABLE, +THIS PROGRAM IS PROVIDED BY QLOGIC CORPORATION "AS IS'' AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR +BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. + +USER ACKNOWLEDGES AND AGREES THAT USE OF THIS PROGRAM WILL NOT +CREATE OR GIVE GROUNDS FOR A LICENSE BY IMPLICATION, ESTOPPEL, OR +OTHERWISE IN ANY INTELLECTUAL PROPERTY RIGHTS (PATENT, COPYRIGHT, +TRADE SECRET, MASK WORK, OR OTHER PROPRIETARY RIGHT) EMBODIED IN +ANY OTHER QLOGIC HARDWARE OR SOFTWARE EITHER SOLELY OR IN +COMBINATION WITH THIS PROGRAM. + diff --git a/MAINTAINERS b/MAINTAINERS index c8203d780f0b..106684e45e15 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3396,6 +3396,13 @@ M: linux-driver@qlogic.com L: netdev@vger.kernel.org S: Supported +QLOGIC QLGE 10Gb ETHERNET DRIVER +P: Ron Mercer +M: linux-driver@qlogic.com +M: ron.mercer@qlogic.com +L: netdev@vger.kernel.org +S: Supported + QNX4 FILESYSTEM P: Anders Larsen M: al@alarsen.net diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 069755af761f..69c81da48ebc 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2526,6 +2526,15 @@ config BNX2X To compile this driver as a module, choose M here: the module will be called bnx2x. This is recommended. +config QLGE + tristate "QLogic QLGE 10Gb Ethernet Driver Support" + depends on PCI + help + This driver supports QLogic ISP8XXX 10Gb Ethernet cards. + + To compile this driver as a module, choose M here: the module + will be called qlge. + source "drivers/net/sfc/Kconfig" endif # NETDEV_10000 diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 016e23f000ee..fa2510b2e609 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -131,6 +131,7 @@ obj-$(CONFIG_AX88796) += ax88796.o obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o obj-$(CONFIG_QLA3XXX) += qla3xxx.o +obj-$(CONFIG_QLGE) += qlge/ obj-$(CONFIG_PPP) += ppp_generic.o obj-$(CONFIG_PPP_ASYNC) += ppp_async.o diff --git a/drivers/net/qlge/Makefile b/drivers/net/qlge/Makefile new file mode 100644 index 000000000000..8a197658d76f --- /dev/null +++ b/drivers/net/qlge/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the Qlogic 10GbE PCI Express ethernet driver +# + +obj-$(CONFIG_QLGE) += qlge.o + +qlge-objs := qlge_main.o qlge_dbg.o qlge_mpi.o qlge_ethtool.o diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h new file mode 100644 index 000000000000..c37ea436c918 --- /dev/null +++ b/drivers/net/qlge/qlge.h @@ -0,0 +1,1593 @@ +/* + * QLogic QLA41xx NIC HBA Driver + * Copyright (c) 2003-2006 QLogic Corporation + * + * See LICENSE.qlge for copyright and licensing details. + */ +#ifndef _QLGE_H_ +#define _QLGE_H_ + +#include +#include + +/* + * General definitions... + */ +#define DRV_NAME "qlge" +#define DRV_STRING "QLogic 10 Gigabit PCI-E Ethernet Driver " +#define DRV_VERSION "v1.00.00-b3" + +#define PFX "qlge: " +#define QPRINTK(qdev, nlevel, klevel, fmt, args...) \ + do { \ + if (!((qdev)->msg_enable & NETIF_MSG_##nlevel)) \ + ; \ + else \ + dev_printk(KERN_##klevel, &((qdev)->pdev->dev), \ + "%s: " fmt, __func__, ##args); \ + } while (0) + +#define QLGE_VENDOR_ID 0x1077 +#define QLGE_DEVICE_ID1 0x8012 +#define QLGE_DEVICE_ID 0x8000 + +#define MAX_RX_RINGS 128 +#define MAX_TX_RINGS 128 + +#define NUM_TX_RING_ENTRIES 256 +#define NUM_RX_RING_ENTRIES 256 + +#define NUM_SMALL_BUFFERS 512 +#define NUM_LARGE_BUFFERS 512 + +#define SMALL_BUFFER_SIZE 256 +#define LARGE_BUFFER_SIZE PAGE_SIZE +#define MAX_SPLIT_SIZE 1023 +#define QLGE_SB_PAD 32 + +#define DFLT_COALESCE_WAIT 100 /* 100 usec wait for coalescing */ +#define MAX_INTER_FRAME_WAIT 10 /* 10 usec max interframe-wait for coalescing */ +#define DFLT_INTER_FRAME_WAIT (MAX_INTER_FRAME_WAIT/2) +#define UDELAY_COUNT 3 +#define UDELAY_DELAY 10 + + +#define TX_DESC_PER_IOCB 8 +/* The maximum number of frags we handle is based + * on PAGE_SIZE... + */ +#if (PAGE_SHIFT == 12) || (PAGE_SHIFT == 13) /* 4k & 8k pages */ +#define TX_DESC_PER_OAL ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2) +#elif (PAGE_SHIFT == 16) /* 64k pages */ +#define TX_DESC_PER_OAL 0 +#endif + +#define DB_PAGE_SIZE 4096 + +/* + * Processor Address Register (PROC_ADDR) bit definitions. + */ +enum { + + /* Misc. stuff */ + MAILBOX_COUNT = 16, + + PROC_ADDR_RDY = (1 << 31), + PROC_ADDR_R = (1 << 30), + PROC_ADDR_ERR = (1 << 29), + PROC_ADDR_DA = (1 << 28), + PROC_ADDR_FUNC0_MBI = 0x00001180, + PROC_ADDR_FUNC0_MBO = (PROC_ADDR_FUNC0_MBI + MAILBOX_COUNT), + PROC_ADDR_FUNC0_CTL = 0x000011a1, + PROC_ADDR_FUNC2_MBI = 0x00001280, + PROC_ADDR_FUNC2_MBO = (PROC_ADDR_FUNC2_MBI + MAILBOX_COUNT), + PROC_ADDR_FUNC2_CTL = 0x000012a1, + PROC_ADDR_MPI_RISC = 0x00000000, + PROC_ADDR_MDE = 0x00010000, + PROC_ADDR_REGBLOCK = 0x00020000, + PROC_ADDR_RISC_REG = 0x00030000, +}; + +/* + * System Register (SYS) bit definitions. + */ +enum { + SYS_EFE = (1 << 0), + SYS_FAE = (1 << 1), + SYS_MDC = (1 << 2), + SYS_DST = (1 << 3), + SYS_DWC = (1 << 4), + SYS_EVW = (1 << 5), + SYS_OMP_DLY_MASK = 0x3f000000, + /* + * There are no values defined as of edit #15. + */ + SYS_ODI = (1 << 14), +}; + +/* + * Reset/Failover Register (RST_FO) bit definitions. + */ +enum { + RST_FO_TFO = (1 << 0), + RST_FO_RR_MASK = 0x00060000, + RST_FO_RR_CQ_CAM = 0x00000000, + RST_FO_RR_DROP = 0x00000001, + RST_FO_RR_DQ = 0x00000002, + RST_FO_RR_RCV_FUNC_CQ = 0x00000003, + RST_FO_FRB = (1 << 12), + RST_FO_MOP = (1 << 13), + RST_FO_REG = (1 << 14), + RST_FO_FR = (1 << 15), +}; + +/* + * Function Specific Control Register (FSC) bit definitions. + */ +enum { + FSC_DBRST_MASK = 0x00070000, + FSC_DBRST_256 = 0x00000000, + FSC_DBRST_512 = 0x00000001, + FSC_DBRST_768 = 0x00000002, + FSC_DBRST_1024 = 0x00000003, + FSC_DBL_MASK = 0x00180000, + FSC_DBL_DBRST = 0x00000000, + FSC_DBL_MAX_PLD = 0x00000008, + FSC_DBL_MAX_BRST = 0x00000010, + FSC_DBL_128_BYTES = 0x00000018, + FSC_EC = (1 << 5), + FSC_EPC_MASK = 0x00c00000, + FSC_EPC_INBOUND = (1 << 6), + FSC_EPC_OUTBOUND = (1 << 7), + FSC_VM_PAGESIZE_MASK = 0x07000000, + FSC_VM_PAGE_2K = 0x00000100, + FSC_VM_PAGE_4K = 0x00000200, + FSC_VM_PAGE_8K = 0x00000300, + FSC_VM_PAGE_64K = 0x00000600, + FSC_SH = (1 << 11), + FSC_DSB = (1 << 12), + FSC_STE = (1 << 13), + FSC_FE = (1 << 15), +}; + +/* + * Host Command Status Register (CSR) bit definitions. + */ +enum { + CSR_ERR_STS_MASK = 0x0000003f, + /* + * There are no valued defined as of edit #15. + */ + CSR_RR = (1 << 8), + CSR_HRI = (1 << 9), + CSR_RP = (1 << 10), + CSR_CMD_PARM_SHIFT = 22, + CSR_CMD_NOP = 0x00000000, + CSR_CMD_SET_RST = 0x1000000, + CSR_CMD_CLR_RST = 0x20000000, + CSR_CMD_SET_PAUSE = 0x30000000, + CSR_CMD_CLR_PAUSE = 0x40000000, + CSR_CMD_SET_H2R_INT = 0x50000000, + CSR_CMD_CLR_H2R_INT = 0x60000000, + CSR_CMD_PAR_EN = 0x70000000, + CSR_CMD_SET_BAD_PAR = 0x80000000, + CSR_CMD_CLR_BAD_PAR = 0x90000000, + CSR_CMD_CLR_R2PCI_INT = 0xa0000000, +}; + +/* + * Configuration Register (CFG) bit definitions. + */ +enum { + CFG_LRQ = (1 << 0), + CFG_DRQ = (1 << 1), + CFG_LR = (1 << 2), + CFG_DR = (1 << 3), + CFG_LE = (1 << 5), + CFG_LCQ = (1 << 6), + CFG_DCQ = (1 << 7), + CFG_Q_SHIFT = 8, + CFG_Q_MASK = 0x7f000000, +}; + +/* + * Status Register (STS) bit definitions. + */ +enum { + STS_FE = (1 << 0), + STS_PI = (1 << 1), + STS_PL0 = (1 << 2), + STS_PL1 = (1 << 3), + STS_PI0 = (1 << 4), + STS_PI1 = (1 << 5), + STS_FUNC_ID_MASK = 0x000000c0, + STS_FUNC_ID_SHIFT = 6, + STS_F0E = (1 << 8), + STS_F1E = (1 << 9), + STS_F2E = (1 << 10), + STS_F3E = (1 << 11), + STS_NFE = (1 << 12), +}; + +/* + * Interrupt Enable Register (INTR_EN) bit definitions. + */ +enum { + INTR_EN_INTR_MASK = 0x007f0000, + INTR_EN_TYPE_MASK = 0x03000000, + INTR_EN_TYPE_ENABLE = 0x00000100, + INTR_EN_TYPE_DISABLE = 0x00000200, + INTR_EN_TYPE_READ = 0x00000300, + INTR_EN_IHD = (1 << 13), + INTR_EN_IHD_MASK = (INTR_EN_IHD << 16), + INTR_EN_EI = (1 << 14), + INTR_EN_EN = (1 << 15), +}; + +/* + * Interrupt Mask Register (INTR_MASK) bit definitions. + */ +enum { + INTR_MASK_PI = (1 << 0), + INTR_MASK_HL0 = (1 << 1), + INTR_MASK_LH0 = (1 << 2), + INTR_MASK_HL1 = (1 << 3), + INTR_MASK_LH1 = (1 << 4), + INTR_MASK_SE = (1 << 5), + INTR_MASK_LSC = (1 << 6), + INTR_MASK_MC = (1 << 7), + INTR_MASK_LINK_IRQS = INTR_MASK_LSC | INTR_MASK_SE | INTR_MASK_MC, +}; + +/* + * Register (REV_ID) bit definitions. + */ +enum { + REV_ID_MASK = 0x0000000f, + REV_ID_NICROLL_SHIFT = 0, + REV_ID_NICREV_SHIFT = 4, + REV_ID_XGROLL_SHIFT = 8, + REV_ID_XGREV_SHIFT = 12, + REV_ID_CHIPREV_SHIFT = 28, +}; + +/* + * Force ECC Error Register (FRC_ECC_ERR) bit definitions. + */ +enum { + FRC_ECC_ERR_VW = (1 << 12), + FRC_ECC_ERR_VB = (1 << 13), + FRC_ECC_ERR_NI = (1 << 14), + FRC_ECC_ERR_NO = (1 << 15), + FRC_ECC_PFE_SHIFT = 16, + FRC_ECC_ERR_DO = (1 << 18), + FRC_ECC_P14 = (1 << 19), +}; + +/* + * Error Status Register (ERR_STS) bit definitions. + */ +enum { + ERR_STS_NOF = (1 << 0), + ERR_STS_NIF = (1 << 1), + ERR_STS_DRP = (1 << 2), + ERR_STS_XGP = (1 << 3), + ERR_STS_FOU = (1 << 4), + ERR_STS_FOC = (1 << 5), + ERR_STS_FOF = (1 << 6), + ERR_STS_FIU = (1 << 7), + ERR_STS_FIC = (1 << 8), + ERR_STS_FIF = (1 << 9), + ERR_STS_MOF = (1 << 10), + ERR_STS_TA = (1 << 11), + ERR_STS_MA = (1 << 12), + ERR_STS_MPE = (1 << 13), + ERR_STS_SCE = (1 << 14), + ERR_STS_STE = (1 << 15), + ERR_STS_FOW = (1 << 16), + ERR_STS_UE = (1 << 17), + ERR_STS_MCH = (1 << 26), + ERR_STS_LOC_SHIFT = 27, +}; + +/* + * RAM Debug Address Register (RAM_DBG_ADDR) bit definitions. + */ +enum { + RAM_DBG_ADDR_FW = (1 << 30), + RAM_DBG_ADDR_FR = (1 << 31), +}; + +/* + * Semaphore Register (SEM) bit definitions. + */ +enum { + /* + * Example: + * reg = SEM_XGMAC0_MASK | (SEM_SET << SEM_XGMAC0_SHIFT) + */ + SEM_CLEAR = 0, + SEM_SET = 1, + SEM_FORCE = 3, + SEM_XGMAC0_SHIFT = 0, + SEM_XGMAC1_SHIFT = 2, + SEM_ICB_SHIFT = 4, + SEM_MAC_ADDR_SHIFT = 6, + SEM_FLASH_SHIFT = 8, + SEM_PROBE_SHIFT = 10, + SEM_RT_IDX_SHIFT = 12, + SEM_PROC_REG_SHIFT = 14, + SEM_XGMAC0_MASK = 0x00030000, + SEM_XGMAC1_MASK = 0x000c0000, + SEM_ICB_MASK = 0x00300000, + SEM_MAC_ADDR_MASK = 0x00c00000, + SEM_FLASH_MASK = 0x03000000, + SEM_PROBE_MASK = 0x0c000000, + SEM_RT_IDX_MASK = 0x30000000, + SEM_PROC_REG_MASK = 0xc0000000, +}; + +/* + * 10G MAC Address Register (XGMAC_ADDR) bit definitions. + */ +enum { + XGMAC_ADDR_RDY = (1 << 31), + XGMAC_ADDR_R = (1 << 30), + XGMAC_ADDR_XME = (1 << 29), + + /* XGMAC control registers */ + PAUSE_SRC_LO = 0x00000100, + PAUSE_SRC_HI = 0x00000104, + GLOBAL_CFG = 0x00000108, + GLOBAL_CFG_RESET = (1 << 0), + GLOBAL_CFG_JUMBO = (1 << 6), + GLOBAL_CFG_TX_STAT_EN = (1 << 10), + GLOBAL_CFG_RX_STAT_EN = (1 << 11), + TX_CFG = 0x0000010c, + TX_CFG_RESET = (1 << 0), + TX_CFG_EN = (1 << 1), + TX_CFG_PREAM = (1 << 2), + RX_CFG = 0x00000110, + RX_CFG_RESET = (1 << 0), + RX_CFG_EN = (1 << 1), + RX_CFG_PREAM = (1 << 2), + FLOW_CTL = 0x0000011c, + PAUSE_OPCODE = 0x00000120, + PAUSE_TIMER = 0x00000124, + PAUSE_FRM_DEST_LO = 0x00000128, + PAUSE_FRM_DEST_HI = 0x0000012c, + MAC_TX_PARAMS = 0x00000134, + MAC_TX_PARAMS_JUMBO = (1 << 31), + MAC_TX_PARAMS_SIZE_SHIFT = 16, + MAC_RX_PARAMS = 0x00000138, + MAC_SYS_INT = 0x00000144, + MAC_SYS_INT_MASK = 0x00000148, + MAC_MGMT_INT = 0x0000014c, + MAC_MGMT_IN_MASK = 0x00000150, + EXT_ARB_MODE = 0x000001fc, + + /* XGMAC TX statistics registers */ + TX_PKTS = 0x00000200, + TX_BYTES = 0x00000208, + TX_MCAST_PKTS = 0x00000210, + TX_BCAST_PKTS = 0x00000218, + TX_UCAST_PKTS = 0x00000220, + TX_CTL_PKTS = 0x00000228, + TX_PAUSE_PKTS = 0x00000230, + TX_64_PKT = 0x00000238, + TX_65_TO_127_PKT = 0x00000240, + TX_128_TO_255_PKT = 0x00000248, + TX_256_511_PKT = 0x00000250, + TX_512_TO_1023_PKT = 0x00000258, + TX_1024_TO_1518_PKT = 0x00000260, + TX_1519_TO_MAX_PKT = 0x00000268, + TX_UNDERSIZE_PKT = 0x00000270, + TX_OVERSIZE_PKT = 0x00000278, + + /* XGMAC statistics control registers */ + RX_HALF_FULL_DET = 0x000002a0, + TX_HALF_FULL_DET = 0x000002a4, + RX_OVERFLOW_DET = 0x000002a8, + TX_OVERFLOW_DET = 0x000002ac, + RX_HALF_FULL_MASK = 0x000002b0, + TX_HALF_FULL_MASK = 0x000002b4, + RX_OVERFLOW_MASK = 0x000002b8, + TX_OVERFLOW_MASK = 0x000002bc, + STAT_CNT_CTL = 0x000002c0, + STAT_CNT_CTL_CLEAR_TX = (1 << 0), + STAT_CNT_CTL_CLEAR_RX = (1 << 1), + AUX_RX_HALF_FULL_DET = 0x000002d0, + AUX_TX_HALF_FULL_DET = 0x000002d4, + AUX_RX_OVERFLOW_DET = 0x000002d8, + AUX_TX_OVERFLOW_DET = 0x000002dc, + AUX_RX_HALF_FULL_MASK = 0x000002f0, + AUX_TX_HALF_FULL_MASK = 0x000002f4, + AUX_RX_OVERFLOW_MASK = 0x000002f8, + AUX_TX_OVERFLOW_MASK = 0x000002fc, + + /* XGMAC RX statistics registers */ + RX_BYTES = 0x00000300, + RX_BYTES_OK = 0x00000308, + RX_PKTS = 0x00000310, + RX_PKTS_OK = 0x00000318, + RX_BCAST_PKTS = 0x00000320, + RX_MCAST_PKTS = 0x00000328, + RX_UCAST_PKTS = 0x00000330, + RX_UNDERSIZE_PKTS = 0x00000338, + RX_OVERSIZE_PKTS = 0x00000340, + RX_JABBER_PKTS = 0x00000348, + RX_UNDERSIZE_FCERR_PKTS = 0x00000350, + RX_DROP_EVENTS = 0x00000358, + RX_FCERR_PKTS = 0x00000360, + RX_ALIGN_ERR = 0x00000368, + RX_SYMBOL_ERR = 0x00000370, + RX_MAC_ERR = 0x00000378, + RX_CTL_PKTS = 0x00000380, + RX_PAUSE_PKTS = 0x00000384, + RX_64_PKTS = 0x00000390, + RX_65_TO_127_PKTS = 0x00000398, + RX_128_255_PKTS = 0x000003a0, + RX_256_511_PKTS = 0x000003a8, + RX_512_TO_1023_PKTS = 0x000003b0, + RX_1024_TO_1518_PKTS = 0x000003b8, + RX_1519_TO_MAX_PKTS = 0x000003c0, + RX_LEN_ERR_PKTS = 0x000003c8, + + /* XGMAC MDIO control registers */ + MDIO_TX_DATA = 0x00000400, + MDIO_RX_DATA = 0x00000410, + MDIO_CMD = 0x00000420, + MDIO_PHY_ADDR = 0x00000430, + MDIO_PORT = 0x00000440, + MDIO_STATUS = 0x00000450, + + /* XGMAC AUX statistics registers */ +}; + +/* + * Enhanced Transmission Schedule Registers (NIC_ETS,CNA_ETS) bit definitions. + */ +enum { + ETS_QUEUE_SHIFT = 29, + ETS_REF = (1 << 26), + ETS_RS = (1 << 27), + ETS_P = (1 << 28), + ETS_FC_COS_SHIFT = 23, +}; + +/* + * Flash Address Register (FLASH_ADDR) bit definitions. + */ +enum { + FLASH_ADDR_RDY = (1 << 31), + FLASH_ADDR_R = (1 << 30), + FLASH_ADDR_ERR = (1 << 29), +}; + +/* + * Stop CQ Processing Register (CQ_STOP) bit definitions. + */ +enum { + CQ_STOP_QUEUE_MASK = (0x007f0000), + CQ_STOP_TYPE_MASK = (0x03000000), + CQ_STOP_TYPE_START = 0x00000100, + CQ_STOP_TYPE_STOP = 0x00000200, + CQ_STOP_TYPE_READ = 0x00000300, + CQ_STOP_EN = (1 << 15), +}; + +/* + * MAC Protocol Address Index Register (MAC_ADDR_IDX) bit definitions. + */ +enum { + MAC_ADDR_IDX_SHIFT = 4, + MAC_ADDR_TYPE_SHIFT = 16, + MAC_ADDR_TYPE_MASK = 0x000f0000, + MAC_ADDR_TYPE_CAM_MAC = 0x00000000, + MAC_ADDR_TYPE_MULTI_MAC = 0x00010000, + MAC_ADDR_TYPE_VLAN = 0x00020000, + MAC_ADDR_TYPE_MULTI_FLTR = 0x00030000, + MAC_ADDR_TYPE_FC_MAC = 0x00040000, + MAC_ADDR_TYPE_MGMT_MAC = 0x00050000, + MAC_ADDR_TYPE_MGMT_VLAN = 0x00060000, + MAC_ADDR_TYPE_MGMT_V4 = 0x00070000, + MAC_ADDR_TYPE_MGMT_V6 = 0x00080000, + MAC_ADDR_TYPE_MGMT_TU_DP = 0x00090000, + MAC_ADDR_ADR = (1 << 25), + MAC_ADDR_RS = (1 << 26), + MAC_ADDR_E = (1 << 27), + MAC_ADDR_MR = (1 << 30), + MAC_ADDR_MW = (1 << 31), + MAX_MULTICAST_ENTRIES = 32, +}; + +/* + * MAC Protocol Address Index Register (SPLT_HDR) bit definitions. + */ +enum { + SPLT_HDR_EP = (1 << 31), +}; + +/* + * FCoE Receive Configuration Register (FC_RCV_CFG) bit definitions. + */ +enum { + FC_RCV_CFG_ECT = (1 << 15), + FC_RCV_CFG_DFH = (1 << 20), + FC_RCV_CFG_DVF = (1 << 21), + FC_RCV_CFG_RCE = (1 << 27), + FC_RCV_CFG_RFE = (1 << 28), + FC_RCV_CFG_TEE = (1 << 29), + FC_RCV_CFG_TCE = (1 << 30), + FC_RCV_CFG_TFE = (1 << 31), +}; + +/* + * NIC Receive Configuration Register (NIC_RCV_CFG) bit definitions. + */ +enum { + NIC_RCV_CFG_PPE = (1 << 0), + NIC_RCV_CFG_VLAN_MASK = 0x00060000, + NIC_RCV_CFG_VLAN_ALL = 0x00000000, + NIC_RCV_CFG_VLAN_MATCH_ONLY = 0x00000002, + NIC_RCV_CFG_VLAN_MATCH_AND_NON = 0x00000004, + NIC_RCV_CFG_VLAN_NONE_AND_NON = 0x00000006, + NIC_RCV_CFG_RV = (1 << 3), + NIC_RCV_CFG_DFQ_MASK = (0x7f000000), + NIC_RCV_CFG_DFQ_SHIFT = 8, + NIC_RCV_CFG_DFQ = 0, /* HARDCODE default queue to 0. */ +}; + +/* + * Mgmt Receive Configuration Register (MGMT_RCV_CFG) bit definitions. + */ +enum { + MGMT_RCV_CFG_ARP = (1 << 0), + MGMT_RCV_CFG_DHC = (1 << 1), + MGMT_RCV_CFG_DHS = (1 << 2), + MGMT_RCV_CFG_NP = (1 << 3), + MGMT_RCV_CFG_I6N = (1 << 4), + MGMT_RCV_CFG_I6R = (1 << 5), + MGMT_RCV_CFG_DH6 = (1 << 6), + MGMT_RCV_CFG_UD1 = (1 << 7), + MGMT_RCV_CFG_UD0 = (1 << 8), + MGMT_RCV_CFG_BCT = (1 << 9), + MGMT_RCV_CFG_MCT = (1 << 10), + MGMT_RCV_CFG_DM = (1 << 11), + MGMT_RCV_CFG_RM = (1 << 12), + MGMT_RCV_CFG_STL = (1 << 13), + MGMT_RCV_CFG_VLAN_MASK = 0xc0000000, + MGMT_RCV_CFG_VLAN_ALL = 0x00000000, + MGMT_RCV_CFG_VLAN_MATCH_ONLY = 0x00004000, + MGMT_RCV_CFG_VLAN_MATCH_AND_NON = 0x00008000, + MGMT_RCV_CFG_VLAN_NONE_AND_NON = 0x0000c000, +}; + +/* + * Routing Index Register (RT_IDX) bit definitions. + */ +enum { + RT_IDX_IDX_SHIFT = 8, + RT_IDX_TYPE_MASK = 0x000f0000, + RT_IDX_TYPE_RT = 0x00000000, + RT_IDX_TYPE_RT_INV = 0x00010000, + RT_IDX_TYPE_NICQ = 0x00020000, + RT_IDX_TYPE_NICQ_INV = 0x00030000, + RT_IDX_DST_MASK = 0x00700000, + RT_IDX_DST_RSS = 0x00000000, + RT_IDX_DST_CAM_Q = 0x00100000, + RT_IDX_DST_COS_Q = 0x00200000, + RT_IDX_DST_DFLT_Q = 0x00300000, + RT_IDX_DST_DEST_Q = 0x00400000, + RT_IDX_RS = (1 << 26), + RT_IDX_E = (1 << 27), + RT_IDX_MR = (1 << 30), + RT_IDX_MW = (1 << 31), + + /* Nic Queue format - type 2 bits */ + RT_IDX_BCAST = (1 << 0), + RT_IDX_MCAST = (1 << 1), + RT_IDX_MCAST_MATCH = (1 << 2), + RT_IDX_MCAST_REG_MATCH = (1 << 3), + RT_IDX_MCAST_HASH_MATCH = (1 << 4), + RT_IDX_FC_MACH = (1 << 5), + RT_IDX_ETH_FCOE = (1 << 6), + RT_IDX_CAM_HIT = (1 << 7), + RT_IDX_CAM_BIT0 = (1 << 8), + RT_IDX_CAM_BIT1 = (1 << 9), + RT_IDX_VLAN_TAG = (1 << 10), + RT_IDX_VLAN_MATCH = (1 << 11), + RT_IDX_VLAN_FILTER = (1 << 12), + RT_IDX_ETH_SKIP1 = (1 << 13), + RT_IDX_ETH_SKIP2 = (1 << 14), + RT_IDX_BCAST_MCAST_MATCH = (1 << 15), + RT_IDX_802_3 = (1 << 16), + RT_IDX_LLDP = (1 << 17), + RT_IDX_UNUSED018 = (1 << 18), + RT_IDX_UNUSED019 = (1 << 19), + RT_IDX_UNUSED20 = (1 << 20), + RT_IDX_UNUSED21 = (1 << 21), + RT_IDX_ERR = (1 << 22), + RT_IDX_VALID = (1 << 23), + RT_IDX_TU_CSUM_ERR = (1 << 24), + RT_IDX_IP_CSUM_ERR = (1 << 25), + RT_IDX_MAC_ERR = (1 << 26), + RT_IDX_RSS_TCP6 = (1 << 27), + RT_IDX_RSS_TCP4 = (1 << 28), + RT_IDX_RSS_IPV6 = (1 << 29), + RT_IDX_RSS_IPV4 = (1 << 30), + RT_IDX_RSS_MATCH = (1 << 31), + + /* Hierarchy for the NIC Queue Mask */ + RT_IDX_ALL_ERR_SLOT = 0, + RT_IDX_MAC_ERR_SLOT = 0, + RT_IDX_IP_CSUM_ERR_SLOT = 1, + RT_IDX_TCP_UDP_CSUM_ERR_SLOT = 2, + RT_IDX_BCAST_SLOT = 3, + RT_IDX_MCAST_MATCH_SLOT = 4, + RT_IDX_ALLMULTI_SLOT = 5, + RT_IDX_UNUSED6_SLOT = 6, + RT_IDX_UNUSED7_SLOT = 7, + RT_IDX_RSS_MATCH_SLOT = 8, + RT_IDX_RSS_IPV4_SLOT = 8, + RT_IDX_RSS_IPV6_SLOT = 9, + RT_IDX_RSS_TCP4_SLOT = 10, + RT_IDX_RSS_TCP6_SLOT = 11, + RT_IDX_CAM_HIT_SLOT = 12, + RT_IDX_UNUSED013 = 13, + RT_IDX_UNUSED014 = 14, + RT_IDX_PROMISCUOUS_SLOT = 15, + RT_IDX_MAX_SLOTS = 16, +}; + +/* + * Control Register Set Map + */ +enum { + PROC_ADDR = 0, /* Use semaphore */ + PROC_DATA = 0x04, /* Use semaphore */ + SYS = 0x08, + RST_FO = 0x0c, + FSC = 0x10, + CSR = 0x14, + LED = 0x18, + ICB_RID = 0x1c, /* Use semaphore */ + ICB_L = 0x20, /* Use semaphore */ + ICB_H = 0x24, /* Use semaphore */ + CFG = 0x28, + BIOS_ADDR = 0x2c, + STS = 0x30, + INTR_EN = 0x34, + INTR_MASK = 0x38, + ISR1 = 0x3c, + ISR2 = 0x40, + ISR3 = 0x44, + ISR4 = 0x48, + REV_ID = 0x4c, + FRC_ECC_ERR = 0x50, + ERR_STS = 0x54, + RAM_DBG_ADDR = 0x58, + RAM_DBG_DATA = 0x5c, + ECC_ERR_CNT = 0x60, + SEM = 0x64, + GPIO_1 = 0x68, /* Use semaphore */ + GPIO_2 = 0x6c, /* Use semaphore */ + GPIO_3 = 0x70, /* Use semaphore */ + RSVD2 = 0x74, + XGMAC_ADDR = 0x78, /* Use semaphore */ + XGMAC_DATA = 0x7c, /* Use semaphore */ + NIC_ETS = 0x80, + CNA_ETS = 0x84, + FLASH_ADDR = 0x88, /* Use semaphore */ + FLASH_DATA = 0x8c, /* Use semaphore */ + CQ_STOP = 0x90, + PAGE_TBL_RID = 0x94, + WQ_PAGE_TBL_LO = 0x98, + WQ_PAGE_TBL_HI = 0x9c, + CQ_PAGE_TBL_LO = 0xa0, + CQ_PAGE_TBL_HI = 0xa4, + MAC_ADDR_IDX = 0xa8, /* Use semaphore */ + MAC_ADDR_DATA = 0xac, /* Use semaphore */ + COS_DFLT_CQ1 = 0xb0, + COS_DFLT_CQ2 = 0xb4, + ETYPE_SKIP1 = 0xb8, + ETYPE_SKIP2 = 0xbc, + SPLT_HDR = 0xc0, + FC_PAUSE_THRES = 0xc4, + NIC_PAUSE_THRES = 0xc8, + FC_ETHERTYPE = 0xcc, + FC_RCV_CFG = 0xd0, + NIC_RCV_CFG = 0xd4, + FC_COS_TAGS = 0xd8, + NIC_COS_TAGS = 0xdc, + MGMT_RCV_CFG = 0xe0, + RT_IDX = 0xe4, + RT_DATA = 0xe8, + RSVD7 = 0xec, + XG_SERDES_ADDR = 0xf0, + XG_SERDES_DATA = 0xf4, + PRB_MX_ADDR = 0xf8, /* Use semaphore */ + PRB_MX_DATA = 0xfc, /* Use semaphore */ +}; + +/* + * CAM output format. + */ +enum { + CAM_OUT_ROUTE_FC = 0, + CAM_OUT_ROUTE_NIC = 1, + CAM_OUT_FUNC_SHIFT = 2, + CAM_OUT_RV = (1 << 4), + CAM_OUT_SH = (1 << 15), + CAM_OUT_CQ_ID_SHIFT = 5, +}; + +/* + * Mailbox definitions + */ +enum { + /* Asynchronous Event Notifications */ + AEN_SYS_ERR = 0x00008002, + AEN_LINK_UP = 0x00008011, + AEN_LINK_DOWN = 0x00008012, + AEN_IDC_CMPLT = 0x00008100, + AEN_IDC_REQ = 0x00008101, + AEN_FW_INIT_DONE = 0x00008400, + AEN_FW_INIT_FAIL = 0x00008401, + + /* Mailbox Command Opcodes. */ + MB_CMD_NOP = 0x00000000, + MB_CMD_EX_FW = 0x00000002, + MB_CMD_MB_TEST = 0x00000006, + MB_CMD_CSUM_TEST = 0x00000007, /* Verify Checksum */ + MB_CMD_ABOUT_FW = 0x00000008, + MB_CMD_LOAD_RISC_RAM = 0x0000000b, + MB_CMD_DUMP_RISC_RAM = 0x0000000c, + MB_CMD_WRITE_RAM = 0x0000000d, + MB_CMD_READ_RAM = 0x0000000f, + MB_CMD_STOP_FW = 0x00000014, + MB_CMD_MAKE_SYS_ERR = 0x0000002a, + MB_CMD_INIT_FW = 0x00000060, + MB_CMD_GET_INIT_CB = 0x00000061, + MB_CMD_GET_FW_STATE = 0x00000069, + MB_CMD_IDC_REQ = 0x00000100, /* Inter-Driver Communication */ + MB_CMD_IDC_ACK = 0x00000101, /* Inter-Driver Communication */ + MB_CMD_SET_WOL_MODE = 0x00000110, /* Wake On Lan */ + MB_WOL_DISABLE = 0x00000000, + MB_WOL_MAGIC_PKT = 0x00000001, + MB_WOL_FLTR = 0x00000002, + MB_WOL_UCAST = 0x00000004, + MB_WOL_MCAST = 0x00000008, + MB_WOL_BCAST = 0x00000010, + MB_WOL_LINK_UP = 0x00000020, + MB_WOL_LINK_DOWN = 0x00000040, + MB_CMD_SET_WOL_FLTR = 0x00000111, /* Wake On Lan Filter */ + MB_CMD_CLEAR_WOL_FLTR = 0x00000112, /* Wake On Lan Filter */ + MB_CMD_SET_WOL_MAGIC = 0x00000113, /* Wake On Lan Magic Packet */ + MB_CMD_CLEAR_WOL_MAGIC = 0x00000114, /* Wake On Lan Magic Packet */ + MB_CMD_PORT_RESET = 0x00000120, + MB_CMD_SET_PORT_CFG = 0x00000122, + MB_CMD_GET_PORT_CFG = 0x00000123, + MB_CMD_SET_ASIC_VOLTS = 0x00000130, + MB_CMD_GET_SNS_DATA = 0x00000131, /* Temp and Volt Sense data. */ + + /* Mailbox Command Status. */ + MB_CMD_STS_GOOD = 0x00004000, /* Success. */ + MB_CMD_STS_INTRMDT = 0x00001000, /* Intermediate Complete. */ + MB_CMD_STS_ERR = 0x00004005, /* Error. */ +}; + +struct mbox_params { + u32 mbox_in[MAILBOX_COUNT]; + u32 mbox_out[MAILBOX_COUNT]; + int in_count; + int out_count; +}; + +struct flash_params { + u8 dev_id_str[4]; + u16 size; + u16 csum; + u16 ver; + u16 sub_dev_id; + u8 mac_addr[6]; + u16 res; +}; + + +/* + * doorbell space for the rx ring context + */ +struct rx_doorbell_context { + u32 cnsmr_idx; /* 0x00 */ + u32 valid; /* 0x04 */ + u32 reserved[4]; /* 0x08-0x14 */ + u32 lbq_prod_idx; /* 0x18 */ + u32 sbq_prod_idx; /* 0x1c */ +}; + +/* + * doorbell space for the tx ring context + */ +struct tx_doorbell_context { + u32 prod_idx; /* 0x00 */ + u32 valid; /* 0x04 */ + u32 reserved[4]; /* 0x08-0x14 */ + u32 lbq_prod_idx; /* 0x18 */ + u32 sbq_prod_idx; /* 0x1c */ +}; + +/* DATA STRUCTURES SHARED WITH HARDWARE. */ + +struct bq_element { + u32 addr_lo; +#define BQ_END 0x00000001 +#define BQ_CONT 0x00000002 +#define BQ_MASK 0x00000003 + u32 addr_hi; +} __attribute((packed)); + +struct tx_buf_desc { + __le64 addr; + __le32 len; +#define TX_DESC_LEN_MASK 0x000fffff +#define TX_DESC_C 0x40000000 +#define TX_DESC_E 0x80000000 +} __attribute((packed)); + +/* + * IOCB Definitions... + */ + +#define OPCODE_OB_MAC_IOCB 0x01 +#define OPCODE_OB_MAC_TSO_IOCB 0x02 +#define OPCODE_IB_MAC_IOCB 0x20 +#define OPCODE_IB_MPI_IOCB 0x21 +#define OPCODE_IB_AE_IOCB 0x3f + +struct ob_mac_iocb_req { + u8 opcode; + u8 flags1; +#define OB_MAC_IOCB_REQ_OI 0x01 +#define OB_MAC_IOCB_REQ_I 0x02 +#define OB_MAC_IOCB_REQ_D 0x08 +#define OB_MAC_IOCB_REQ_F 0x10 + u8 flags2; + u8 flags3; +#define OB_MAC_IOCB_DFP 0x02 +#define OB_MAC_IOCB_V 0x04 + __le32 reserved1[2]; + __le16 frame_len; +#define OB_MAC_IOCB_LEN_MASK 0x3ffff + __le16 reserved2; + __le32 tid; + __le32 txq_idx; + __le32 reserved3; + __le16 vlan_tci; + __le16 reserved4; + struct tx_buf_desc tbd[TX_DESC_PER_IOCB]; +} __attribute((packed)); + +struct ob_mac_iocb_rsp { + u8 opcode; /* */ + u8 flags1; /* */ +#define OB_MAC_IOCB_RSP_OI 0x01 /* */ +#define OB_MAC_IOCB_RSP_I 0x02 /* */ +#define OB_MAC_IOCB_RSP_E 0x08 /* */ +#define OB_MAC_IOCB_RSP_S 0x10 /* too Short */ +#define OB_MAC_IOCB_RSP_L 0x20 /* too Large */ +#define OB_MAC_IOCB_RSP_P 0x40 /* Padded */ + u8 flags2; /* */ + u8 flags3; /* */ +#define OB_MAC_IOCB_RSP_B 0x80 /* */ + __le32 tid; + __le32 txq_idx; + __le32 reserved[13]; +} __attribute((packed)); + +struct ob_mac_tso_iocb_req { + u8 opcode; + u8 flags1; +#define OB_MAC_TSO_IOCB_OI 0x01 +#define OB_MAC_TSO_IOCB_I 0x02 +#define OB_MAC_TSO_IOCB_D 0x08 +#define OB_MAC_TSO_IOCB_IP4 0x40 +#define OB_MAC_TSO_IOCB_IP6 0x80 + u8 flags2; +#define OB_MAC_TSO_IOCB_LSO 0x20 +#define OB_MAC_TSO_IOCB_UC 0x40 +#define OB_MAC_TSO_IOCB_TC 0x80 + u8 flags3; +#define OB_MAC_TSO_IOCB_IC 0x01 +#define OB_MAC_TSO_IOCB_DFP 0x02 +#define OB_MAC_TSO_IOCB_V 0x04 + __le32 reserved1[2]; + __le32 frame_len; + __le32 tid; + __le32 txq_idx; + __le16 total_hdrs_len; + __le16 net_trans_offset; +#define OB_MAC_TRANSPORT_HDR_SHIFT 6 + __le16 vlan_tci; + __le16 mss; + struct tx_buf_desc tbd[TX_DESC_PER_IOCB]; +} __attribute((packed)); + +struct ob_mac_tso_iocb_rsp { + u8 opcode; + u8 flags1; +#define OB_MAC_TSO_IOCB_RSP_OI 0x01 +#define OB_MAC_TSO_IOCB_RSP_I 0x02 +#define OB_MAC_TSO_IOCB_RSP_E 0x08 +#define OB_MAC_TSO_IOCB_RSP_S 0x10 +#define OB_MAC_TSO_IOCB_RSP_L 0x20 +#define OB_MAC_TSO_IOCB_RSP_P 0x40 + u8 flags2; /* */ + u8 flags3; /* */ +#define OB_MAC_TSO_IOCB_RSP_B 0x8000 + __le32 tid; + __le32 txq_idx; + __le32 reserved2[13]; +} __attribute((packed)); + +struct ib_mac_iocb_rsp { + u8 opcode; /* 0x20 */ + u8 flags1; +#define IB_MAC_IOCB_RSP_OI 0x01 /* Overide intr delay */ +#define IB_MAC_IOCB_RSP_I 0x02 /* Disble Intr Generation */ +#define IB_MAC_IOCB_RSP_TE 0x04 /* Checksum error */ +#define IB_MAC_IOCB_RSP_NU 0x08 /* No checksum rcvd */ +#define IB_MAC_IOCB_RSP_IE 0x10 /* IPv4 checksum error */ +#define IB_MAC_IOCB_RSP_M_MASK 0x60 /* Multicast info */ +#define IB_MAC_IOCB_RSP_M_NONE 0x00 /* Not mcast frame */ +#define IB_MAC_IOCB_RSP_M_HASH 0x20 /* HASH mcast frame */ +#define IB_MAC_IOCB_RSP_M_REG 0x40 /* Registered mcast frame */ +#define IB_MAC_IOCB_RSP_M_PROM 0x60 /* Promiscuous mcast frame */ +#define IB_MAC_IOCB_RSP_B 0x80 /* Broadcast frame */ + u8 flags2; +#define IB_MAC_IOCB_RSP_P 0x01 /* Promiscuous frame */ +#define IB_MAC_IOCB_RSP_V 0x02 /* Vlan tag present */ +#define IB_MAC_IOCB_RSP_ERR_MASK 0x1c /* */ +#define IB_MAC_IOCB_RSP_ERR_CODE_ERR 0x04 +#define IB_MAC_IOCB_RSP_ERR_OVERSIZE 0x08 +#define IB_MAC_IOCB_RSP_ERR_UNDERSIZE 0x10 +#define IB_MAC_IOCB_RSP_ERR_PREAMBLE 0x14 +#define IB_MAC_IOCB_RSP_ERR_FRAME_LEN 0x18 +#define IB_MAC_IOCB_RSP_ERR_CRC 0x1c +#define IB_MAC_IOCB_RSP_U 0x20 /* UDP packet */ +#define IB_MAC_IOCB_RSP_T 0x40 /* TCP packet */ +#define IB_MAC_IOCB_RSP_FO 0x80 /* Failover port */ + u8 flags3; +#define IB_MAC_IOCB_RSP_RSS_MASK 0x07 /* RSS mask */ +#define IB_MAC_IOCB_RSP_M_NONE 0x00 /* No RSS match */ +#define IB_MAC_IOCB_RSP_M_IPV4 0x04 /* IPv4 RSS match */ +#define IB_MAC_IOCB_RSP_M_IPV6 0x02 /* IPv6 RSS match */ +#define IB_MAC_IOCB_RSP_M_TCP_V4 0x05 /* TCP with IPv4 */ +#define IB_MAC_IOCB_RSP_M_TCP_V6 0x03 /* TCP with IPv6 */ +#define IB_MAC_IOCB_RSP_V4 0x08 /* IPV4 */ +#define IB_MAC_IOCB_RSP_V6 0x10 /* IPV6 */ +#define IB_MAC_IOCB_RSP_IH 0x20 /* Split after IP header */ +#define IB_MAC_IOCB_RSP_DS 0x40 /* data is in small buffer */ +#define IB_MAC_IOCB_RSP_DL 0x80 /* data is in large buffer */ + __le32 data_len; /* */ + __le32 data_addr_lo; /* */ + __le32 data_addr_hi; /* */ + __le32 rss; /* */ + __le16 vlan_id; /* 12 bits */ +#define IB_MAC_IOCB_RSP_C 0x1000 /* VLAN CFI bit */ +#define IB_MAC_IOCB_RSP_COS_SHIFT 12 /* class of service value */ + + __le16 reserved1; + __le32 reserved2[6]; + __le32 flags4; +#define IB_MAC_IOCB_RSP_HV 0x20000000 /* */ +#define IB_MAC_IOCB_RSP_HS 0x40000000 /* */ +#define IB_MAC_IOCB_RSP_HL 0x80000000 /* */ + __le32 hdr_len; /* */ + __le32 hdr_addr_lo; /* */ + __le32 hdr_addr_hi; /* */ +} __attribute((packed)); + +struct ib_ae_iocb_rsp { + u8 opcode; + u8 flags1; +#define IB_AE_IOCB_RSP_OI 0x01 +#define IB_AE_IOCB_RSP_I 0x02 + u8 event; +#define LINK_UP_EVENT 0x00 +#define LINK_DOWN_EVENT 0x01 +#define CAM_LOOKUP_ERR_EVENT 0x06 +#define SOFT_ECC_ERROR_EVENT 0x07 +#define MGMT_ERR_EVENT 0x08 +#define TEN_GIG_MAC_EVENT 0x09 +#define GPI0_H2L_EVENT 0x10 +#define GPI0_L2H_EVENT 0x20 +#define GPI1_H2L_EVENT 0x11 +#define GPI1_L2H_EVENT 0x21 +#define PCI_ERR_ANON_BUF_RD 0x40 + u8 q_id; + __le32 reserved[15]; +} __attribute((packed)); + +/* + * These three structures are for generic + * handling of ib and ob iocbs. + */ +struct ql_net_rsp_iocb { + u8 opcode; + u8 flags0; + __le16 length; + __le32 tid; + __le32 reserved[14]; +} __attribute((packed)); + +struct net_req_iocb { + u8 opcode; + u8 flags0; + __le16 flags1; + __le32 tid; + __le32 reserved1[30]; +} __attribute((packed)); + +/* + * tx ring initialization control block for chip. + * It is defined as: + * "Work Queue Initialization Control Block" + */ +struct wqicb { + __le16 len; +#define Q_LEN_V (1 << 4) +#define Q_LEN_CPP_CONT 0x0000 +#define Q_LEN_CPP_16 0x0001 +#define Q_LEN_CPP_32 0x0002 +#define Q_LEN_CPP_64 0x0003 + __le16 flags; +#define Q_PRI_SHIFT 1 +#define Q_FLAGS_LC 0x1000 +#define Q_FLAGS_LB 0x2000 +#define Q_FLAGS_LI 0x4000 +#define Q_FLAGS_LO 0x8000 + __le16 cq_id_rss; +#define Q_CQ_ID_RSS_RV 0x8000 + __le16 rid; + __le32 addr_lo; + __le32 addr_hi; + __le32 cnsmr_idx_addr_lo; + __le32 cnsmr_idx_addr_hi; +} __attribute((packed)); + +/* + * rx ring initialization control block for chip. + * It is defined as: + * "Completion Queue Initialization Control Block" + */ +struct cqicb { + u8 msix_vect; + u8 reserved1; + u8 reserved2; + u8 flags; +#define FLAGS_LV 0x08 +#define FLAGS_LS 0x10 +#define FLAGS_LL 0x20 +#define FLAGS_LI 0x40 +#define FLAGS_LC 0x80 + __le16 len; +#define LEN_V (1 << 4) +#define LEN_CPP_CONT 0x0000 +#define LEN_CPP_32 0x0001 +#define LEN_CPP_64 0x0002 +#define LEN_CPP_128 0x0003 + __le16 rid; + __le32 addr_lo; + __le32 addr_hi; + __le32 prod_idx_addr_lo; + __le32 prod_idx_addr_hi; + __le16 pkt_delay; + __le16 irq_delay; + __le32 lbq_addr_lo; + __le32 lbq_addr_hi; + __le16 lbq_buf_size; + __le16 lbq_len; /* entry count */ + __le32 sbq_addr_lo; + __le32 sbq_addr_hi; + __le16 sbq_buf_size; + __le16 sbq_len; /* entry count */ +} __attribute((packed)); + +struct ricb { + u8 base_cq; +#define RSS_L4K 0x80 + u8 flags; +#define RSS_L6K 0x01 +#define RSS_LI 0x02 +#define RSS_LB 0x04 +#define RSS_LM 0x08 +#define RSS_RI4 0x10 +#define RSS_RT4 0x20 +#define RSS_RI6 0x40 +#define RSS_RT6 0x80 + __le16 mask; + __le32 hash_cq_id[256]; + __le32 ipv6_hash_key[10]; + __le32 ipv4_hash_key[4]; +} __attribute((packed)); + +/* SOFTWARE/DRIVER DATA STRUCTURES. */ + +struct oal { + struct tx_buf_desc oal[TX_DESC_PER_OAL]; +}; + +struct map_list { + DECLARE_PCI_UNMAP_ADDR(mapaddr); + DECLARE_PCI_UNMAP_LEN(maplen); +}; + +struct tx_ring_desc { + struct sk_buff *skb; + struct ob_mac_iocb_req *queue_entry; + int index; + struct oal oal; + struct map_list map[MAX_SKB_FRAGS + 1]; + int map_cnt; + struct tx_ring_desc *next; +}; + +struct bq_desc { + union { + struct page *lbq_page; + struct sk_buff *skb; + } p; + struct bq_element *bq; + int index; + DECLARE_PCI_UNMAP_ADDR(mapaddr); + DECLARE_PCI_UNMAP_LEN(maplen); +}; + +#define QL_TXQ_IDX(qdev, skb) (smp_processor_id()%(qdev->tx_ring_count)) + +struct tx_ring { + /* + * queue info. + */ + struct wqicb wqicb; /* structure used to inform chip of new queue */ + void *wq_base; /* pci_alloc:virtual addr for tx */ + dma_addr_t wq_base_dma; /* pci_alloc:dma addr for tx */ + u32 *cnsmr_idx_sh_reg; /* shadow copy of consumer idx */ + dma_addr_t cnsmr_idx_sh_reg_dma; /* dma-shadow copy of consumer */ + u32 wq_size; /* size in bytes of queue area */ + u32 wq_len; /* number of entries in queue */ + void __iomem *prod_idx_db_reg; /* doorbell area index reg at offset 0x00 */ + void __iomem *valid_db_reg; /* doorbell area valid reg at offset 0x04 */ + u16 prod_idx; /* current value for prod idx */ + u16 cq_id; /* completion (rx) queue for tx completions */ + u8 wq_id; /* queue id for this entry */ + u8 reserved1[3]; + struct tx_ring_desc *q; /* descriptor list for the queue */ + spinlock_t lock; + atomic_t tx_count; /* counts down for every outstanding IO */ + atomic_t queue_stopped; /* Turns queue off when full. */ + struct delayed_work tx_work; + struct ql_adapter *qdev; +}; + +/* + * Type of inbound queue. + */ +enum { + DEFAULT_Q = 2, /* Handles slow queue and chip/MPI events. */ + TX_Q = 3, /* Handles outbound completions. */ + RX_Q = 4, /* Handles inbound completions. */ +}; + +struct rx_ring { + struct cqicb cqicb; /* The chip's completion queue init control block. */ + + /* Completion queue elements. */ + void *cq_base; + dma_addr_t cq_base_dma; + u32 cq_size; + u32 cq_len; + u16 cq_id; + u32 *prod_idx_sh_reg; /* Shadowed producer register. */ + dma_addr_t prod_idx_sh_reg_dma; + void __iomem *cnsmr_idx_db_reg; /* PCI doorbell mem area + 0 */ + u32 cnsmr_idx; /* current sw idx */ + struct ql_net_rsp_iocb *curr_entry; /* next entry on queue */ + void __iomem *valid_db_reg; /* PCI doorbell mem area + 0x04 */ + + /* Large buffer queue elements. */ + u32 lbq_len; /* entry count */ + u32 lbq_size; /* size in bytes of queue */ + u32 lbq_buf_size; + void *lbq_base; + dma_addr_t lbq_base_dma; + void *lbq_base_indirect; + dma_addr_t lbq_base_indirect_dma; + struct bq_desc *lbq; /* array of control blocks */ + void __iomem *lbq_prod_idx_db_reg; /* PCI doorbell mem area + 0x18 */ + u32 lbq_prod_idx; /* current sw prod idx */ + u32 lbq_curr_idx; /* next entry we expect */ + u32 lbq_clean_idx; /* beginning of new descs */ + u32 lbq_free_cnt; /* free buffer desc cnt */ + + /* Small buffer queue elements. */ + u32 sbq_len; /* entry count */ + u32 sbq_size; /* size in bytes of queue */ + u32 sbq_buf_size; + void *sbq_base; + dma_addr_t sbq_base_dma; + void *sbq_base_indirect; + dma_addr_t sbq_base_indirect_dma; + struct bq_desc *sbq; /* array of control blocks */ + void __iomem *sbq_prod_idx_db_reg; /* PCI doorbell mem area + 0x1c */ + u32 sbq_prod_idx; /* current sw prod idx */ + u32 sbq_curr_idx; /* next entry we expect */ + u32 sbq_clean_idx; /* beginning of new descs */ + u32 sbq_free_cnt; /* free buffer desc cnt */ + + /* Misc. handler elements. */ + u32 type; /* Type of queue, tx, rx, or default. */ + u32 irq; /* Which vector this ring is assigned. */ + u32 cpu; /* Which CPU this should run on. */ + char name[IFNAMSIZ + 5]; + struct napi_struct napi; + struct delayed_work rx_work; + u8 reserved; + struct ql_adapter *qdev; +}; + +/* + * RSS Initialization Control Block + */ +struct hash_id { + u8 value[4]; +}; + +struct nic_stats { + /* + * These stats come from offset 200h to 278h + * in the XGMAC register. + */ + u64 tx_pkts; + u64 tx_bytes; + u64 tx_mcast_pkts; + u64 tx_bcast_pkts; + u64 tx_ucast_pkts; + u64 tx_ctl_pkts; + u64 tx_pause_pkts; + u64 tx_64_pkt; + u64 tx_65_to_127_pkt; + u64 tx_128_to_255_pkt; + u64 tx_256_511_pkt; + u64 tx_512_to_1023_pkt; + u64 tx_1024_to_1518_pkt; + u64 tx_1519_to_max_pkt; + u64 tx_undersize_pkt; + u64 tx_oversize_pkt; + + /* + * These stats come from offset 300h to 3C8h + * in the XGMAC register. + */ + u64 rx_bytes; + u64 rx_bytes_ok; + u64 rx_pkts; + u64 rx_pkts_ok; + u64 rx_bcast_pkts; + u64 rx_mcast_pkts; + u64 rx_ucast_pkts; + u64 rx_undersize_pkts; + u64 rx_oversize_pkts; + u64 rx_jabber_pkts; + u64 rx_undersize_fcerr_pkts; + u64 rx_drop_events; + u64 rx_fcerr_pkts; + u64 rx_align_err; + u64 rx_symbol_err; + u64 rx_mac_err; + u64 rx_ctl_pkts; + u64 rx_pause_pkts; + u64 rx_64_pkts; + u64 rx_65_to_127_pkts; + u64 rx_128_255_pkts; + u64 rx_256_511_pkts; + u64 rx_512_to_1023_pkts; + u64 rx_1024_to_1518_pkts; + u64 rx_1519_to_max_pkts; + u64 rx_len_err_pkts; +}; + +/* + * intr_context structure is used during initialization + * to hook the interrupts. It is also used in a single + * irq environment as a context to the ISR. + */ +struct intr_context { + struct ql_adapter *qdev; + u32 intr; + u32 hooked; + u32 intr_en_mask; /* value/mask used to enable this intr */ + u32 intr_dis_mask; /* value/mask used to disable this intr */ + u32 intr_read_mask; /* value/mask used to read this intr */ + char name[IFNAMSIZ * 2]; + atomic_t irq_cnt; /* irq_cnt is used in single vector + * environment. It's incremented for each + * irq handler that is scheduled. When each + * handler finishes it decrements irq_cnt and + * enables interrupts if it's zero. */ + irq_handler_t handler; +}; + +/* adapter flags definitions. */ +enum { + QL_ADAPTER_UP = (1 << 0), /* Adapter has been brought up. */ + QL_LEGACY_ENABLED = (1 << 3), + QL_MSI_ENABLED = (1 << 3), + QL_MSIX_ENABLED = (1 << 4), + QL_DMA64 = (1 << 5), + QL_PROMISCUOUS = (1 << 6), + QL_ALLMULTI = (1 << 7), +}; + +/* link_status bit definitions */ +enum { + LOOPBACK_MASK = 0x00000700, + LOOPBACK_PCS = 0x00000100, + LOOPBACK_HSS = 0x00000200, + LOOPBACK_EXT = 0x00000300, + PAUSE_MASK = 0x000000c0, + PAUSE_STD = 0x00000040, + PAUSE_PRI = 0x00000080, + SPEED_MASK = 0x00000038, + SPEED_100Mb = 0x00000000, + SPEED_1Gb = 0x00000008, + SPEED_10Gb = 0x00000010, + LINK_TYPE_MASK = 0x00000007, + LINK_TYPE_XFI = 0x00000001, + LINK_TYPE_XAUI = 0x00000002, + LINK_TYPE_XFI_BP = 0x00000003, + LINK_TYPE_XAUI_BP = 0x00000004, + LINK_TYPE_10GBASET = 0x00000005, +}; + +/* + * The main Adapter structure definition. + * This structure has all fields relevant to the hardware. + */ +struct ql_adapter { + struct ricb ricb; + unsigned long flags; + u32 wol; + + struct nic_stats nic_stats; + + struct vlan_group *vlgrp; + + /* PCI Configuration information for this device */ + struct pci_dev *pdev; + struct net_device *ndev; /* Parent NET device */ + + /* Hardware information */ + u32 chip_rev_id; + u32 func; /* PCI function for this adapter */ + + spinlock_t adapter_lock; + spinlock_t hw_lock; + spinlock_t stats_lock; + spinlock_t legacy_lock; /* used for maintaining legacy intr sync */ + + /* PCI Bus Relative Register Addresses */ + void __iomem *reg_base; + void __iomem *doorbell_area; + u32 doorbell_area_size; + + u32 msg_enable; + + /* Page for Shadow Registers */ + void *rx_ring_shadow_reg_area; + dma_addr_t rx_ring_shadow_reg_dma; + void *tx_ring_shadow_reg_area; + dma_addr_t tx_ring_shadow_reg_dma; + + u32 mailbox_in; + u32 mailbox_out; + + int tx_ring_size; + int rx_ring_size; + u32 intr_count; + struct msix_entry *msi_x_entry; + struct intr_context intr_context[MAX_RX_RINGS]; + + int (*legacy_check) (struct ql_adapter *); + + int tx_ring_count; /* One per online CPU. */ + u32 rss_ring_first_cq_id;/* index of first inbound (rss) rx_ring */ + u32 rss_ring_count; /* One per online CPU. */ + /* + * rx_ring_count = + * one default queue + + * (CPU count * outbound completion rx_ring) + + * (CPU count * inbound (RSS) completion rx_ring) + */ + int rx_ring_count; + int ring_mem_size; + void *ring_mem; + struct rx_ring *rx_ring; + int rx_csum; + struct tx_ring *tx_ring; + u32 default_rx_queue; + + u16 rx_coalesce_usecs; /* cqicb->int_delay */ + u16 rx_max_coalesced_frames; /* cqicb->pkt_int_delay */ + u16 tx_coalesce_usecs; /* cqicb->int_delay */ + u16 tx_max_coalesced_frames; /* cqicb->pkt_int_delay */ + + u32 xg_sem_mask; + u32 port_link_up; + u32 port_init; + u32 link_status; + + struct flash_params flash; + + struct net_device_stats stats; + struct workqueue_struct *q_workqueue; + struct workqueue_struct *workqueue; + struct delayed_work asic_reset_work; + struct delayed_work mpi_reset_work; + struct delayed_work mpi_work; +}; + +/* + * Typical Register accessor for memory mapped device. + */ +static inline u32 ql_read32(const struct ql_adapter *qdev, int reg) +{ + return readl(qdev->reg_base + reg); +} + +/* + * Typical Register accessor for memory mapped device. + */ +static inline void ql_write32(const struct ql_adapter *qdev, int reg, u32 val) +{ + writel(val, qdev->reg_base + reg); +} + +/* + * Doorbell Registers: + * Doorbell registers are virtual registers in the PCI memory space. + * The space is allocated by the chip during PCI initialization. The + * device driver finds the doorbell address in BAR 3 in PCI config space. + * The registers are used to control outbound and inbound queues. For + * example, the producer index for an outbound queue. Each queue uses + * 1 4k chunk of memory. The lower half of the space is for outbound + * queues. The upper half is for inbound queues. + */ +static inline void ql_write_db_reg(u32 val, void __iomem *addr) +{ + writel(val, addr); + mmiowb(); +} + +/* + * Shadow Registers: + * Outbound queues have a consumer index that is maintained by the chip. + * Inbound queues have a producer index that is maintained by the chip. + * For lower overhead, these registers are "shadowed" to host memory + * which allows the device driver to track the queue progress without + * PCI reads. When an entry is placed on an inbound queue, the chip will + * update the relevant index register and then copy the value to the + * shadow register in host memory. + */ +static inline unsigned int ql_read_sh_reg(const volatile void *addr) +{ + return *(volatile unsigned int __force *)addr; +} + +extern char qlge_driver_name[]; +extern const char qlge_driver_version[]; +extern const struct ethtool_ops qlge_ethtool_ops; + +extern int ql_sem_spinlock(struct ql_adapter *qdev, u32 sem_mask); +extern void ql_sem_unlock(struct ql_adapter *qdev, u32 sem_mask); +extern int ql_read_xgmac_reg(struct ql_adapter *qdev, u32 reg, u32 *data); +extern int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, + u32 *value); +extern int ql_get_routing_reg(struct ql_adapter *qdev, u32 index, u32 *value); +extern int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit, + u16 q_id); +void ql_queue_fw_error(struct ql_adapter *qdev); +void ql_mpi_work(struct work_struct *work); +void ql_mpi_reset_work(struct work_struct *work); +int ql_wait_reg_rdy(struct ql_adapter *qdev, u32 reg, u32 bit, u32 ebit); +void ql_queue_asic_error(struct ql_adapter *qdev); +void ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr); +void ql_set_ethtool_ops(struct net_device *ndev); +int ql_read_xgmac_reg64(struct ql_adapter *qdev, u32 reg, u64 *data); + +#if 1 +#define QL_ALL_DUMP +#define QL_REG_DUMP +#define QL_DEV_DUMP +#define QL_CB_DUMP +/* #define QL_IB_DUMP */ +/* #define QL_OB_DUMP */ +#endif + +#ifdef QL_REG_DUMP +extern void ql_dump_xgmac_control_regs(struct ql_adapter *qdev); +extern void ql_dump_routing_entries(struct ql_adapter *qdev); +extern void ql_dump_regs(struct ql_adapter *qdev); +#define QL_DUMP_REGS(qdev) ql_dump_regs(qdev) +#define QL_DUMP_ROUTE(qdev) ql_dump_routing_entries(qdev) +#define QL_DUMP_XGMAC_CONTROL_REGS(qdev) ql_dump_xgmac_control_regs(qdev) +#else +#define QL_DUMP_REGS(qdev) +#define QL_DUMP_ROUTE(qdev) +#define QL_DUMP_XGMAC_CONTROL_REGS(qdev) +#endif + +#ifdef QL_STAT_DUMP +extern void ql_dump_stat(struct ql_adapter *qdev); +#define QL_DUMP_STAT(qdev) ql_dump_stat(qdev) +#else +#define QL_DUMP_STAT(qdev) +#endif + +#ifdef QL_DEV_DUMP +extern void ql_dump_qdev(struct ql_adapter *qdev); +#define QL_DUMP_QDEV(qdev) ql_dump_qdev(qdev) +#else +#define QL_DUMP_QDEV(qdev) +#endif + +#ifdef QL_CB_DUMP +extern void ql_dump_wqicb(struct wqicb *wqicb); +extern void ql_dump_tx_ring(struct tx_ring *tx_ring); +extern void ql_dump_ricb(struct ricb *ricb); +extern void ql_dump_cqicb(struct cqicb *cqicb); +extern void ql_dump_rx_ring(struct rx_ring *rx_ring); +extern void ql_dump_hw_cb(struct ql_adapter *qdev, int size, u32 bit, u16 q_id); +#define QL_DUMP_RICB(ricb) ql_dump_ricb(ricb) +#define QL_DUMP_WQICB(wqicb) ql_dump_wqicb(wqicb) +#define QL_DUMP_TX_RING(tx_ring) ql_dump_tx_ring(tx_ring) +#define QL_DUMP_CQICB(cqicb) ql_dump_cqicb(cqicb) +#define QL_DUMP_RX_RING(rx_ring) ql_dump_rx_ring(rx_ring) +#define QL_DUMP_HW_CB(qdev, size, bit, q_id) \ + ql_dump_hw_cb(qdev, size, bit, q_id) +#else +#define QL_DUMP_RICB(ricb) +#define QL_DUMP_WQICB(wqicb) +#define QL_DUMP_TX_RING(tx_ring) +#define QL_DUMP_CQICB(cqicb) +#define QL_DUMP_RX_RING(rx_ring) +#define QL_DUMP_HW_CB(qdev, size, bit, q_id) +#endif + +#ifdef QL_OB_DUMP +extern void ql_dump_tx_desc(struct tx_buf_desc *tbd); +extern void ql_dump_ob_mac_iocb(struct ob_mac_iocb_req *ob_mac_iocb); +extern void ql_dump_ob_mac_rsp(struct ob_mac_iocb_rsp *ob_mac_rsp); +#define QL_DUMP_OB_MAC_IOCB(ob_mac_iocb) ql_dump_ob_mac_iocb(ob_mac_iocb) +#define QL_DUMP_OB_MAC_RSP(ob_mac_rsp) ql_dump_ob_mac_rsp(ob_mac_rsp) +#else +#define QL_DUMP_OB_MAC_IOCB(ob_mac_iocb) +#define QL_DUMP_OB_MAC_RSP(ob_mac_rsp) +#endif + +#ifdef QL_IB_DUMP +extern void ql_dump_ib_mac_rsp(struct ib_mac_iocb_rsp *ib_mac_rsp); +#define QL_DUMP_IB_MAC_RSP(ib_mac_rsp) ql_dump_ib_mac_rsp(ib_mac_rsp) +#else +#define QL_DUMP_IB_MAC_RSP(ib_mac_rsp) +#endif + +#ifdef QL_ALL_DUMP +extern void ql_dump_all(struct ql_adapter *qdev); +#define QL_DUMP_ALL(qdev) ql_dump_all(qdev) +#else +#define QL_DUMP_ALL(qdev) +#endif + +#endif /* _QLGE_H_ */ diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c new file mode 100644 index 000000000000..f0392b166170 --- /dev/null +++ b/drivers/net/qlge/qlge_dbg.c @@ -0,0 +1,858 @@ +#include "qlge.h" + +#ifdef QL_REG_DUMP +static void ql_dump_intr_states(struct ql_adapter *qdev) +{ + int i; + u32 value; + for (i = 0; i < qdev->intr_count; i++) { + ql_write32(qdev, INTR_EN, qdev->intr_context[i].intr_read_mask); + value = ql_read32(qdev, INTR_EN); + printk(KERN_ERR PFX + "%s: Interrupt %d is %s.\n", + qdev->ndev->name, i, + (value & INTR_EN_EN ? "enabled" : "disabled")); + } +} + +void ql_dump_xgmac_control_regs(struct ql_adapter *qdev) +{ + u32 data; + if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) { + printk(KERN_ERR "%s: Couldn't get xgmac sem.\n", __func__); + return; + } + ql_read_xgmac_reg(qdev, PAUSE_SRC_LO, &data); + printk(KERN_ERR PFX "%s: PAUSE_SRC_LO = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, PAUSE_SRC_HI, &data); + printk(KERN_ERR PFX "%s: PAUSE_SRC_HI = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, GLOBAL_CFG, &data); + printk(KERN_ERR PFX "%s: GLOBAL_CFG = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, TX_CFG, &data); + printk(KERN_ERR PFX "%s: TX_CFG = 0x%.08x.\n", qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, RX_CFG, &data); + printk(KERN_ERR PFX "%s: RX_CFG = 0x%.08x.\n", qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, FLOW_CTL, &data); + printk(KERN_ERR PFX "%s: FLOW_CTL = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, PAUSE_OPCODE, &data); + printk(KERN_ERR PFX "%s: PAUSE_OPCODE = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, PAUSE_TIMER, &data); + printk(KERN_ERR PFX "%s: PAUSE_TIMER = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, PAUSE_FRM_DEST_LO, &data); + printk(KERN_ERR PFX "%s: PAUSE_FRM_DEST_LO = 0x%.08x.\n", + qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, PAUSE_FRM_DEST_HI, &data); + printk(KERN_ERR PFX "%s: PAUSE_FRM_DEST_HI = 0x%.08x.\n", + qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, MAC_TX_PARAMS, &data); + printk(KERN_ERR PFX "%s: MAC_TX_PARAMS = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, MAC_RX_PARAMS, &data); + printk(KERN_ERR PFX "%s: MAC_RX_PARAMS = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, MAC_SYS_INT, &data); + printk(KERN_ERR PFX "%s: MAC_SYS_INT = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, MAC_SYS_INT_MASK, &data); + printk(KERN_ERR PFX "%s: MAC_SYS_INT_MASK = 0x%.08x.\n", + qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, MAC_MGMT_INT, &data); + printk(KERN_ERR PFX "%s: MAC_MGMT_INT = 0x%.08x.\n", qdev->ndev->name, + data); + ql_read_xgmac_reg(qdev, MAC_MGMT_IN_MASK, &data); + printk(KERN_ERR PFX "%s: MAC_MGMT_IN_MASK = 0x%.08x.\n", + qdev->ndev->name, data); + ql_read_xgmac_reg(qdev, EXT_ARB_MODE, &data); + printk(KERN_ERR PFX "%s: EXT_ARB_MODE = 0x%.08x.\n", qdev->ndev->name, + data); + ql_sem_unlock(qdev, qdev->xg_sem_mask); + +} + +static void ql_dump_ets_regs(struct ql_adapter *qdev) +{ +} + +static void ql_dump_cam_entries(struct ql_adapter *qdev) +{ + int i; + u32 value[3]; + for (i = 0; i < 4; i++) { + if (ql_get_mac_addr_reg(qdev, MAC_ADDR_TYPE_CAM_MAC, i, value)) { + printk(KERN_ERR PFX + "%s: Failed read of mac index register.\n", + __func__); + return; + } else { + if (value[0]) + printk(KERN_ERR PFX + "%s: CAM index %d CAM Lookup Lower = 0x%.08x:%.08x, Output = 0x%.08x.\n", + qdev->ndev->name, i, value[1], value[0], + value[2]); + } + } + for (i = 0; i < 32; i++) { + if (ql_get_mac_addr_reg + (qdev, MAC_ADDR_TYPE_MULTI_MAC, i, value)) { + printk(KERN_ERR PFX + "%s: Failed read of mac index register.\n", + __func__); + return; + } else { + if (value[0]) + printk(KERN_ERR PFX + "%s: MCAST index %d CAM Lookup Lower = 0x%.08x:%.08x.\n", + qdev->ndev->name, i, value[1], value[0]); + } + } +} + +void ql_dump_routing_entries(struct ql_adapter *qdev) +{ + int i; + u32 value; + for (i = 0; i < 16; i++) { + value = 0; + if (ql_get_routing_reg(qdev, i, &value)) { + printk(KERN_ERR PFX + "%s: Failed read of routing index register.\n", + __func__); + return; + } else { + if (value) + printk(KERN_ERR PFX + "%s: Routing Mask %d = 0x%.08x.\n", + qdev->ndev->name, i, value); + } + } +} + +void ql_dump_regs(struct ql_adapter *qdev) +{ + printk(KERN_ERR PFX "reg dump for function #%d.\n", qdev->func); + printk(KERN_ERR PFX "SYS = 0x%x.\n", + ql_read32(qdev, SYS)); + printk(KERN_ERR PFX "RST_FO = 0x%x.\n", + ql_read32(qdev, RST_FO)); + printk(KERN_ERR PFX "FSC = 0x%x.\n", + ql_read32(qdev, FSC)); + printk(KERN_ERR PFX "CSR = 0x%x.\n", + ql_read32(qdev, CSR)); + printk(KERN_ERR PFX "ICB_RID = 0x%x.\n", + ql_read32(qdev, ICB_RID)); + printk(KERN_ERR PFX "ICB_L = 0x%x.\n", + ql_read32(qdev, ICB_L)); + printk(KERN_ERR PFX "ICB_H = 0x%x.\n", + ql_read32(qdev, ICB_H)); + printk(KERN_ERR PFX "CFG = 0x%x.\n", + ql_read32(qdev, CFG)); + printk(KERN_ERR PFX "BIOS_ADDR = 0x%x.\n", + ql_read32(qdev, BIOS_ADDR)); + printk(KERN_ERR PFX "STS = 0x%x.\n", + ql_read32(qdev, STS)); + printk(KERN_ERR PFX "INTR_EN = 0x%x.\n", + ql_read32(qdev, INTR_EN)); + printk(KERN_ERR PFX "INTR_MASK = 0x%x.\n", + ql_read32(qdev, INTR_MASK)); + printk(KERN_ERR PFX "ISR1 = 0x%x.\n", + ql_read32(qdev, ISR1)); + printk(KERN_ERR PFX "ISR2 = 0x%x.\n", + ql_read32(qdev, ISR2)); + printk(KERN_ERR PFX "ISR3 = 0x%x.\n", + ql_read32(qdev, ISR3)); + printk(KERN_ERR PFX "ISR4 = 0x%x.\n", + ql_read32(qdev, ISR4)); + printk(KERN_ERR PFX "REV_ID = 0x%x.\n", + ql_read32(qdev, REV_ID)); + printk(KERN_ERR PFX "FRC_ECC_ERR = 0x%x.\n", + ql_read32(qdev, FRC_ECC_ERR)); + printk(KERN_ERR PFX "ERR_STS = 0x%x.\n", + ql_read32(qdev, ERR_STS)); + printk(KERN_ERR PFX "RAM_DBG_ADDR = 0x%x.\n", + ql_read32(qdev, RAM_DBG_ADDR)); + printk(KERN_ERR PFX "RAM_DBG_DATA = 0x%x.\n", + ql_read32(qdev, RAM_DBG_DATA)); + printk(KERN_ERR PFX "ECC_ERR_CNT = 0x%x.\n", + ql_read32(qdev, ECC_ERR_CNT)); + printk(KERN_ERR PFX "SEM = 0x%x.\n", + ql_read32(qdev, SEM)); + printk(KERN_ERR PFX "GPIO_1 = 0x%x.\n", + ql_read32(qdev, GPIO_1)); + printk(KERN_ERR PFX "GPIO_2 = 0x%x.\n", + ql_read32(qdev, GPIO_2)); + printk(KERN_ERR PFX "GPIO_3 = 0x%x.\n", + ql_read32(qdev, GPIO_3)); + printk(KERN_ERR PFX "XGMAC_ADDR = 0x%x.\n", + ql_read32(qdev, XGMAC_ADDR)); + printk(KERN_ERR PFX "XGMAC_DATA = 0x%x.\n", + ql_read32(qdev, XGMAC_DATA)); + printk(KERN_ERR PFX "NIC_ETS = 0x%x.\n", + ql_read32(qdev, NIC_ETS)); + printk(KERN_ERR PFX "CNA_ETS = 0x%x.\n", + ql_read32(qdev, CNA_ETS)); + printk(KERN_ERR PFX "FLASH_ADDR = 0x%x.\n", + ql_read32(qdev, FLASH_ADDR)); + printk(KERN_ERR PFX "FLASH_DATA = 0x%x.\n", + ql_read32(qdev, FLASH_DATA)); + printk(KERN_ERR PFX "CQ_STOP = 0x%x.\n", + ql_read32(qdev, CQ_STOP)); + printk(KERN_ERR PFX "PAGE_TBL_RID = 0x%x.\n", + ql_read32(qdev, PAGE_TBL_RID)); + printk(KERN_ERR PFX "WQ_PAGE_TBL_LO = 0x%x.\n", + ql_read32(qdev, WQ_PAGE_TBL_LO)); + printk(KERN_ERR PFX "WQ_PAGE_TBL_HI = 0x%x.\n", + ql_read32(qdev, WQ_PAGE_TBL_HI)); + printk(KERN_ERR PFX "CQ_PAGE_TBL_LO = 0x%x.\n", + ql_read32(qdev, CQ_PAGE_TBL_LO)); + printk(KERN_ERR PFX "CQ_PAGE_TBL_HI = 0x%x.\n", + ql_read32(qdev, CQ_PAGE_TBL_HI)); + printk(KERN_ERR PFX "COS_DFLT_CQ1 = 0x%x.\n", + ql_read32(qdev, COS_DFLT_CQ1)); + printk(KERN_ERR PFX "COS_DFLT_CQ2 = 0x%x.\n", + ql_read32(qdev, COS_DFLT_CQ2)); + printk(KERN_ERR PFX "SPLT_HDR = 0x%x.\n", + ql_read32(qdev, SPLT_HDR)); + printk(KERN_ERR PFX "FC_PAUSE_THRES = 0x%x.\n", + ql_read32(qdev, FC_PAUSE_THRES)); + printk(KERN_ERR PFX "NIC_PAUSE_THRES = 0x%x.\n", + ql_read32(qdev, NIC_PAUSE_THRES)); + printk(KERN_ERR PFX "FC_ETHERTYPE = 0x%x.\n", + ql_read32(qdev, FC_ETHERTYPE)); + printk(KERN_ERR PFX "FC_RCV_CFG = 0x%x.\n", + ql_read32(qdev, FC_RCV_CFG)); + printk(KERN_ERR PFX "NIC_RCV_CFG = 0x%x.\n", + ql_read32(qdev, NIC_RCV_CFG)); + printk(KERN_ERR PFX "FC_COS_TAGS = 0x%x.\n", + ql_read32(qdev, FC_COS_TAGS)); + printk(KERN_ERR PFX "NIC_COS_TAGS = 0x%x.\n", + ql_read32(qdev, NIC_COS_TAGS)); + printk(KERN_ERR PFX "MGMT_RCV_CFG = 0x%x.\n", + ql_read32(qdev, MGMT_RCV_CFG)); + printk(KERN_ERR PFX "XG_SERDES_ADDR = 0x%x.\n", + ql_read32(qdev, XG_SERDES_ADDR)); + printk(KERN_ERR PFX "XG_SERDES_DATA = 0x%x.\n", + ql_read32(qdev, XG_SERDES_DATA)); + printk(KERN_ERR PFX "PRB_MX_ADDR = 0x%x.\n", + ql_read32(qdev, PRB_MX_ADDR)); + printk(KERN_ERR PFX "PRB_MX_DATA = 0x%x.\n", + ql_read32(qdev, PRB_MX_DATA)); + ql_dump_intr_states(qdev); + ql_dump_xgmac_control_regs(qdev); + ql_dump_ets_regs(qdev); + ql_dump_cam_entries(qdev); + ql_dump_routing_entries(qdev); +} +#endif + +#ifdef QL_STAT_DUMP +void ql_dump_stat(struct ql_adapter *qdev) +{ + printk(KERN_ERR "%s: Enter.\n", __func__); + printk(KERN_ERR "tx_pkts = %ld\n", + (unsigned long)qdev->nic_stats.tx_pkts); + printk(KERN_ERR "tx_bytes = %ld\n", + (unsigned long)qdev->nic_stats.tx_bytes); + printk(KERN_ERR "tx_mcast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.tx_mcast_pkts); + printk(KERN_ERR "tx_bcast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.tx_bcast_pkts); + printk(KERN_ERR "tx_ucast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.tx_ucast_pkts); + printk(KERN_ERR "tx_ctl_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.tx_ctl_pkts); + printk(KERN_ERR "tx_pause_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.tx_pause_pkts); + printk(KERN_ERR "tx_64_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_64_pkt); + printk(KERN_ERR "tx_65_to_127_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_65_to_127_pkt); + printk(KERN_ERR "tx_128_to_255_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_128_to_255_pkt); + printk(KERN_ERR "tx_256_511_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_256_511_pkt); + printk(KERN_ERR "tx_512_to_1023_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_512_to_1023_pkt); + printk(KERN_ERR "tx_1024_to_1518_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_1024_to_1518_pkt); + printk(KERN_ERR "tx_1519_to_max_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_1519_to_max_pkt); + printk(KERN_ERR "tx_undersize_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_undersize_pkt); + printk(KERN_ERR "tx_oversize_pkt = %ld.\n", + (unsigned long)qdev->nic_stats.tx_oversize_pkt); + printk(KERN_ERR "rx_bytes = %ld.\n", + (unsigned long)qdev->nic_stats.rx_bytes); + printk(KERN_ERR "rx_bytes_ok = %ld.\n", + (unsigned long)qdev->nic_stats.rx_bytes_ok); + printk(KERN_ERR "rx_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_pkts); + printk(KERN_ERR "rx_pkts_ok = %ld.\n", + (unsigned long)qdev->nic_stats.rx_pkts_ok); + printk(KERN_ERR "rx_bcast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_bcast_pkts); + printk(KERN_ERR "rx_mcast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_mcast_pkts); + printk(KERN_ERR "rx_ucast_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_ucast_pkts); + printk(KERN_ERR "rx_undersize_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_undersize_pkts); + printk(KERN_ERR "rx_oversize_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_oversize_pkts); + printk(KERN_ERR "rx_jabber_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_jabber_pkts); + printk(KERN_ERR "rx_undersize_fcerr_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_undersize_fcerr_pkts); + printk(KERN_ERR "rx_drop_events = %ld.\n", + (unsigned long)qdev->nic_stats.rx_drop_events); + printk(KERN_ERR "rx_fcerr_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_fcerr_pkts); + printk(KERN_ERR "rx_align_err = %ld.\n", + (unsigned long)qdev->nic_stats.rx_align_err); + printk(KERN_ERR "rx_symbol_err = %ld.\n", + (unsigned long)qdev->nic_stats.rx_symbol_err); + printk(KERN_ERR "rx_mac_err = %ld.\n", + (unsigned long)qdev->nic_stats.rx_mac_err); + printk(KERN_ERR "rx_ctl_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_ctl_pkts); + printk(KERN_ERR "rx_pause_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_pause_pkts); + printk(KERN_ERR "rx_64_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_64_pkts); + printk(KERN_ERR "rx_65_to_127_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_65_to_127_pkts); + printk(KERN_ERR "rx_128_255_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_128_255_pkts); + printk(KERN_ERR "rx_256_511_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_256_511_pkts); + printk(KERN_ERR "rx_512_to_1023_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_512_to_1023_pkts); + printk(KERN_ERR "rx_1024_to_1518_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_1024_to_1518_pkts); + printk(KERN_ERR "rx_1519_to_max_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_1519_to_max_pkts); + printk(KERN_ERR "rx_len_err_pkts = %ld.\n", + (unsigned long)qdev->nic_stats.rx_len_err_pkts); +}; +#endif + +#ifdef QL_DEV_DUMP +void ql_dump_qdev(struct ql_adapter *qdev) +{ + int i; + printk(KERN_ERR PFX "qdev->flags = %lx.\n", + qdev->flags); + printk(KERN_ERR PFX "qdev->vlgrp = %p.\n", + qdev->vlgrp); + printk(KERN_ERR PFX "qdev->pdev = %p.\n", + qdev->pdev); + printk(KERN_ERR PFX "qdev->ndev = %p.\n", + qdev->ndev); + printk(KERN_ERR PFX "qdev->chip_rev_id = %d.\n", + qdev->chip_rev_id); + printk(KERN_ERR PFX "qdev->reg_base = %p.\n", + qdev->reg_base); + printk(KERN_ERR PFX "qdev->doorbell_area = %p.\n", + qdev->doorbell_area); + printk(KERN_ERR PFX "qdev->doorbell_area_size = %d.\n", + qdev->doorbell_area_size); + printk(KERN_ERR PFX "msg_enable = %x.\n", + qdev->msg_enable); + printk(KERN_ERR PFX "qdev->rx_ring_shadow_reg_area = %p.\n", + qdev->rx_ring_shadow_reg_area); + printk(KERN_ERR PFX "qdev->rx_ring_shadow_reg_dma = %p.\n", + (void *)qdev->rx_ring_shadow_reg_dma); + printk(KERN_ERR PFX "qdev->tx_ring_shadow_reg_area = %p.\n", + qdev->tx_ring_shadow_reg_area); + printk(KERN_ERR PFX "qdev->tx_ring_shadow_reg_dma = %p.\n", + (void *)qdev->tx_ring_shadow_reg_dma); + printk(KERN_ERR PFX "qdev->intr_count = %d.\n", + qdev->intr_count); + if (qdev->msi_x_entry) + for (i = 0; i < qdev->intr_count; i++) { + printk(KERN_ERR PFX + "msi_x_entry.[%d]vector = %d.\n", i, + qdev->msi_x_entry[i].vector); + printk(KERN_ERR PFX + "msi_x_entry.[%d]entry = %d.\n", i, + qdev->msi_x_entry[i].entry); + } + for (i = 0; i < qdev->intr_count; i++) { + printk(KERN_ERR PFX + "intr_context[%d].qdev = %p.\n", i, + qdev->intr_context[i].qdev); + printk(KERN_ERR PFX + "intr_context[%d].intr = %d.\n", i, + qdev->intr_context[i].intr); + printk(KERN_ERR PFX + "intr_context[%d].hooked = %d.\n", i, + qdev->intr_context[i].hooked); + printk(KERN_ERR PFX + "intr_context[%d].intr_en_mask = 0x%08x.\n", i, + qdev->intr_context[i].intr_en_mask); + printk(KERN_ERR PFX + "intr_context[%d].intr_dis_mask = 0x%08x.\n", i, + qdev->intr_context[i].intr_dis_mask); + printk(KERN_ERR PFX + "intr_context[%d].intr_read_mask = 0x%08x.\n", i, + qdev->intr_context[i].intr_read_mask); + } + printk(KERN_ERR PFX "qdev->tx_ring_count = %d.\n", qdev->tx_ring_count); + printk(KERN_ERR PFX "qdev->rx_ring_count = %d.\n", qdev->rx_ring_count); + printk(KERN_ERR PFX "qdev->ring_mem_size = %d.\n", qdev->ring_mem_size); + printk(KERN_ERR PFX "qdev->ring_mem = %p.\n", qdev->ring_mem); + printk(KERN_ERR PFX "qdev->intr_count = %d.\n", qdev->intr_count); + printk(KERN_ERR PFX "qdev->tx_ring = %p.\n", + qdev->tx_ring); + printk(KERN_ERR PFX "qdev->rss_ring_first_cq_id = %d.\n", + qdev->rss_ring_first_cq_id); + printk(KERN_ERR PFX "qdev->rss_ring_count = %d.\n", + qdev->rss_ring_count); + printk(KERN_ERR PFX "qdev->rx_ring = %p.\n", qdev->rx_ring); + printk(KERN_ERR PFX "qdev->default_rx_queue = %d.\n", + qdev->default_rx_queue); + printk(KERN_ERR PFX "qdev->xg_sem_mask = 0x%08x.\n", + qdev->xg_sem_mask); + printk(KERN_ERR PFX "qdev->port_link_up = 0x%08x.\n", + qdev->port_link_up); + printk(KERN_ERR PFX "qdev->port_init = 0x%08x.\n", + qdev->port_init); + +} +#endif + +#ifdef QL_CB_DUMP +void ql_dump_wqicb(struct wqicb *wqicb) +{ + printk(KERN_ERR PFX "Dumping wqicb stuff...\n"); + printk(KERN_ERR PFX "wqicb->len = 0x%x.\n", le16_to_cpu(wqicb->len)); + printk(KERN_ERR PFX "wqicb->flags = %x.\n", le16_to_cpu(wqicb->flags)); + printk(KERN_ERR PFX "wqicb->cq_id_rss = %d.\n", + le16_to_cpu(wqicb->cq_id_rss)); + printk(KERN_ERR PFX "wqicb->rid = 0x%x.\n", le16_to_cpu(wqicb->rid)); + printk(KERN_ERR PFX "wqicb->wq_addr_lo = 0x%.08x.\n", + le32_to_cpu(wqicb->addr_lo)); + printk(KERN_ERR PFX "wqicb->wq_addr_hi = 0x%.08x.\n", + le32_to_cpu(wqicb->addr_hi)); + printk(KERN_ERR PFX "wqicb->wq_cnsmr_idx_addr_lo = 0x%.08x.\n", + le32_to_cpu(wqicb->cnsmr_idx_addr_lo)); + printk(KERN_ERR PFX "wqicb->wq_cnsmr_idx_addr_hi = 0x%.08x.\n", + le32_to_cpu(wqicb->cnsmr_idx_addr_hi)); +} + +void ql_dump_tx_ring(struct tx_ring *tx_ring) +{ + if (tx_ring == NULL) + return; + printk(KERN_ERR PFX + "===================== Dumping tx_ring %d ===============.\n", + tx_ring->wq_id); + printk(KERN_ERR PFX "tx_ring->base = %p.\n", tx_ring->wq_base); + printk(KERN_ERR PFX "tx_ring->base_dma = 0x%llx.\n", + (u64) tx_ring->wq_base_dma); + printk(KERN_ERR PFX "tx_ring->cnsmr_idx_sh_reg = %p.\n", + tx_ring->cnsmr_idx_sh_reg); + printk(KERN_ERR PFX "tx_ring->cnsmr_idx_sh_reg_dma = 0x%llx.\n", + (u64) tx_ring->cnsmr_idx_sh_reg_dma); + printk(KERN_ERR PFX "tx_ring->size = %d.\n", tx_ring->wq_size); + printk(KERN_ERR PFX "tx_ring->len = %d.\n", tx_ring->wq_len); + printk(KERN_ERR PFX "tx_ring->prod_idx_db_reg = %p.\n", + tx_ring->prod_idx_db_reg); + printk(KERN_ERR PFX "tx_ring->valid_db_reg = %p.\n", + tx_ring->valid_db_reg); + printk(KERN_ERR PFX "tx_ring->prod_idx = %d.\n", tx_ring->prod_idx); + printk(KERN_ERR PFX "tx_ring->cq_id = %d.\n", tx_ring->cq_id); + printk(KERN_ERR PFX "tx_ring->wq_id = %d.\n", tx_ring->wq_id); + printk(KERN_ERR PFX "tx_ring->q = %p.\n", tx_ring->q); + printk(KERN_ERR PFX "tx_ring->tx_count = %d.\n", + atomic_read(&tx_ring->tx_count)); +} + +void ql_dump_ricb(struct ricb *ricb) +{ + int i; + printk(KERN_ERR PFX + "===================== Dumping ricb ===============.\n"); + printk(KERN_ERR PFX "Dumping ricb stuff...\n"); + + printk(KERN_ERR PFX "ricb->base_cq = %d.\n", ricb->base_cq & 0x1f); + printk(KERN_ERR PFX "ricb->flags = %s%s%s%s%s%s%s%s%s.\n", + ricb->base_cq & RSS_L4K ? "RSS_L4K " : "", + ricb->flags & RSS_L6K ? "RSS_L6K " : "", + ricb->flags & RSS_LI ? "RSS_LI " : "", + ricb->flags & RSS_LB ? "RSS_LB " : "", + ricb->flags & RSS_LM ? "RSS_LM " : "", + ricb->flags & RSS_RI4 ? "RSS_RI4 " : "", + ricb->flags & RSS_RT4 ? "RSS_RT4 " : "", + ricb->flags & RSS_RI6 ? "RSS_RI6 " : "", + ricb->flags & RSS_RT6 ? "RSS_RT6 " : ""); + printk(KERN_ERR PFX "ricb->mask = 0x%.04x.\n", le16_to_cpu(ricb->mask)); + for (i = 0; i < 16; i++) + printk(KERN_ERR PFX "ricb->hash_cq_id[%d] = 0x%.08x.\n", i, + le32_to_cpu(ricb->hash_cq_id[i])); + for (i = 0; i < 10; i++) + printk(KERN_ERR PFX "ricb->ipv6_hash_key[%d] = 0x%.08x.\n", i, + le32_to_cpu(ricb->ipv6_hash_key[i])); + for (i = 0; i < 4; i++) + printk(KERN_ERR PFX "ricb->ipv4_hash_key[%d] = 0x%.08x.\n", i, + le32_to_cpu(ricb->ipv4_hash_key[i])); +} + +void ql_dump_cqicb(struct cqicb *cqicb) +{ + printk(KERN_ERR PFX "Dumping cqicb stuff...\n"); + + printk(KERN_ERR PFX "cqicb->msix_vect = %d.\n", cqicb->msix_vect); + printk(KERN_ERR PFX "cqicb->flags = %x.\n", cqicb->flags); + printk(KERN_ERR PFX "cqicb->len = %d.\n", le16_to_cpu(cqicb->len)); + printk(KERN_ERR PFX "cqicb->addr_lo = %x.\n", + le32_to_cpu(cqicb->addr_lo)); + printk(KERN_ERR PFX "cqicb->addr_hi = %x.\n", + le32_to_cpu(cqicb->addr_hi)); + printk(KERN_ERR PFX "cqicb->prod_idx_addr_lo = %x.\n", + le32_to_cpu(cqicb->prod_idx_addr_lo)); + printk(KERN_ERR PFX "cqicb->prod_idx_addr_hi = %x.\n", + le32_to_cpu(cqicb->prod_idx_addr_hi)); + printk(KERN_ERR PFX "cqicb->pkt_delay = 0x%.04x.\n", + le16_to_cpu(cqicb->pkt_delay)); + printk(KERN_ERR PFX "cqicb->irq_delay = 0x%.04x.\n", + le16_to_cpu(cqicb->irq_delay)); + printk(KERN_ERR PFX "cqicb->lbq_addr_lo = %x.\n", + le32_to_cpu(cqicb->lbq_addr_lo)); + printk(KERN_ERR PFX "cqicb->lbq_addr_hi = %x.\n", + le32_to_cpu(cqicb->lbq_addr_hi)); + printk(KERN_ERR PFX "cqicb->lbq_buf_size = 0x%.04x.\n", + le16_to_cpu(cqicb->lbq_buf_size)); + printk(KERN_ERR PFX "cqicb->lbq_len = 0x%.04x.\n", + le16_to_cpu(cqicb->lbq_len)); + printk(KERN_ERR PFX "cqicb->sbq_addr_lo = %x.\n", + le32_to_cpu(cqicb->sbq_addr_lo)); + printk(KERN_ERR PFX "cqicb->sbq_addr_hi = %x.\n", + le32_to_cpu(cqicb->sbq_addr_hi)); + printk(KERN_ERR PFX "cqicb->sbq_buf_size = 0x%.04x.\n", + le16_to_cpu(cqicb->sbq_buf_size)); + printk(KERN_ERR PFX "cqicb->sbq_len = 0x%.04x.\n", + le16_to_cpu(cqicb->sbq_len)); +} + +void ql_dump_rx_ring(struct rx_ring *rx_ring) +{ + if (rx_ring == NULL) + return; + printk(KERN_ERR PFX + "===================== Dumping rx_ring %d ===============.\n", + rx_ring->cq_id); + printk(KERN_ERR PFX "Dumping rx_ring %d, type = %s%s%s.\n", + rx_ring->cq_id, rx_ring->type == DEFAULT_Q ? "DEFAULT" : "", + rx_ring->type == TX_Q ? "OUTBOUND COMPLETIONS" : "", + rx_ring->type == RX_Q ? "INBOUND_COMPLETIONS" : ""); + printk(KERN_ERR PFX "rx_ring->cqicb = %p.\n", &rx_ring->cqicb); + printk(KERN_ERR PFX "rx_ring->cq_base = %p.\n", rx_ring->cq_base); + printk(KERN_ERR PFX "rx_ring->cq_base_dma = %llx.\n", + (u64) rx_ring->cq_base_dma); + printk(KERN_ERR PFX "rx_ring->cq_size = %d.\n", rx_ring->cq_size); + printk(KERN_ERR PFX "rx_ring->cq_len = %d.\n", rx_ring->cq_len); + printk(KERN_ERR PFX + "rx_ring->prod_idx_sh_reg, addr = %p, value = %d.\n", + rx_ring->prod_idx_sh_reg, + rx_ring->prod_idx_sh_reg ? *(rx_ring->prod_idx_sh_reg) : 0); + printk(KERN_ERR PFX "rx_ring->prod_idx_sh_reg_dma = %llx.\n", + (u64) rx_ring->prod_idx_sh_reg_dma); + printk(KERN_ERR PFX "rx_ring->cnsmr_idx_db_reg = %p.\n", + rx_ring->cnsmr_idx_db_reg); + printk(KERN_ERR PFX "rx_ring->cnsmr_idx = %d.\n", rx_ring->cnsmr_idx); + printk(KERN_ERR PFX "rx_ring->curr_entry = %p.\n", rx_ring->curr_entry); + printk(KERN_ERR PFX "rx_ring->valid_db_reg = %p.\n", + rx_ring->valid_db_reg); + + printk(KERN_ERR PFX "rx_ring->lbq_base = %p.\n", rx_ring->lbq_base); + printk(KERN_ERR PFX "rx_ring->lbq_base_dma = %llx.\n", + (u64) rx_ring->lbq_base_dma); + printk(KERN_ERR PFX "rx_ring->lbq_base_indirect = %p.\n", + rx_ring->lbq_base_indirect); + printk(KERN_ERR PFX "rx_ring->lbq_base_indirect_dma = %llx.\n", + (u64) rx_ring->lbq_base_indirect_dma); + printk(KERN_ERR PFX "rx_ring->lbq = %p.\n", rx_ring->lbq); + printk(KERN_ERR PFX "rx_ring->lbq_len = %d.\n", rx_ring->lbq_len); + printk(KERN_ERR PFX "rx_ring->lbq_size = %d.\n", rx_ring->lbq_size); + printk(KERN_ERR PFX "rx_ring->lbq_prod_idx_db_reg = %p.\n", + rx_ring->lbq_prod_idx_db_reg); + printk(KERN_ERR PFX "rx_ring->lbq_prod_idx = %d.\n", + rx_ring->lbq_prod_idx); + printk(KERN_ERR PFX "rx_ring->lbq_curr_idx = %d.\n", + rx_ring->lbq_curr_idx); + printk(KERN_ERR PFX "rx_ring->lbq_clean_idx = %d.\n", + rx_ring->lbq_clean_idx); + printk(KERN_ERR PFX "rx_ring->lbq_free_cnt = %d.\n", + rx_ring->lbq_free_cnt); + printk(KERN_ERR PFX "rx_ring->lbq_buf_size = %d.\n", + rx_ring->lbq_buf_size); + + printk(KERN_ERR PFX "rx_ring->sbq_base = %p.\n", rx_ring->sbq_base); + printk(KERN_ERR PFX "rx_ring->sbq_base_dma = %llx.\n", + (u64) rx_ring->sbq_base_dma); + printk(KERN_ERR PFX "rx_ring->sbq_base_indirect = %p.\n", + rx_ring->sbq_base_indirect); + printk(KERN_ERR PFX "rx_ring->sbq_base_indirect_dma = %llx.\n", + (u64) rx_ring->sbq_base_indirect_dma); + printk(KERN_ERR PFX "rx_ring->sbq = %p.\n", rx_ring->sbq); + printk(KERN_ERR PFX "rx_ring->sbq_len = %d.\n", rx_ring->sbq_len); + printk(KERN_ERR PFX "rx_ring->sbq_size = %d.\n", rx_ring->sbq_size); + printk(KERN_ERR PFX "rx_ring->sbq_prod_idx_db_reg addr = %p.\n", + rx_ring->sbq_prod_idx_db_reg); + printk(KERN_ERR PFX "rx_ring->sbq_prod_idx = %d.\n", + rx_ring->sbq_prod_idx); + printk(KERN_ERR PFX "rx_ring->sbq_curr_idx = %d.\n", + rx_ring->sbq_curr_idx); + printk(KERN_ERR PFX "rx_ring->sbq_clean_idx = %d.\n", + rx_ring->sbq_clean_idx); + printk(KERN_ERR PFX "rx_ring->sbq_free_cnt = %d.\n", + rx_ring->sbq_free_cnt); + printk(KERN_ERR PFX "rx_ring->sbq_buf_size = %d.\n", + rx_ring->sbq_buf_size); + printk(KERN_ERR PFX "rx_ring->cq_id = %d.\n", rx_ring->cq_id); + printk(KERN_ERR PFX "rx_ring->irq = %d.\n", rx_ring->irq); + printk(KERN_ERR PFX "rx_ring->cpu = %d.\n", rx_ring->cpu); + printk(KERN_ERR PFX "rx_ring->qdev = %p.\n", rx_ring->qdev); +} + +void ql_dump_hw_cb(struct ql_adapter *qdev, int size, u32 bit, u16 q_id) +{ + void *ptr; + + printk(KERN_ERR PFX "%s: Enter.\n", __func__); + + ptr = kmalloc(size, GFP_ATOMIC); + if (ptr == NULL) { + printk(KERN_ERR PFX "%s: Couldn't allocate a buffer.\n", + __func__); + return; + } + + if (ql_write_cfg(qdev, ptr, size, bit, q_id)) { + printk(KERN_ERR "%s: Failed to upload control block!\n", + __func__); + goto fail_it; + } + switch (bit) { + case CFG_DRQ: + ql_dump_wqicb((struct wqicb *)ptr); + break; + case CFG_DCQ: + ql_dump_cqicb((struct cqicb *)ptr); + break; + case CFG_DR: + ql_dump_ricb((struct ricb *)ptr); + break; + default: + printk(KERN_ERR PFX "%s: Invalid bit value = %x.\n", + __func__, bit); + break; + } +fail_it: + kfree(ptr); +} +#endif + +#ifdef QL_OB_DUMP +void ql_dump_tx_desc(struct tx_buf_desc *tbd) +{ + printk(KERN_ERR PFX "tbd->addr = 0x%llx\n", + le64_to_cpu((u64) tbd->addr)); + printk(KERN_ERR PFX "tbd->len = %d\n", + le32_to_cpu(tbd->len & TX_DESC_LEN_MASK)); + printk(KERN_ERR PFX "tbd->flags = %s %s\n", + tbd->len & TX_DESC_C ? "C" : ".", + tbd->len & TX_DESC_E ? "E" : "."); + tbd++; + printk(KERN_ERR PFX "tbd->addr = 0x%llx\n", + le64_to_cpu((u64) tbd->addr)); + printk(KERN_ERR PFX "tbd->len = %d\n", + le32_to_cpu(tbd->len & TX_DESC_LEN_MASK)); + printk(KERN_ERR PFX "tbd->flags = %s %s\n", + tbd->len & TX_DESC_C ? "C" : ".", + tbd->len & TX_DESC_E ? "E" : "."); + tbd++; + printk(KERN_ERR PFX "tbd->addr = 0x%llx\n", + le64_to_cpu((u64) tbd->addr)); + printk(KERN_ERR PFX "tbd->len = %d\n", + le32_to_cpu(tbd->len & TX_DESC_LEN_MASK)); + printk(KERN_ERR PFX "tbd->flags = %s %s\n", + tbd->len & TX_DESC_C ? "C" : ".", + tbd->len & TX_DESC_E ? "E" : "."); + +} + +void ql_dump_ob_mac_iocb(struct ob_mac_iocb_req *ob_mac_iocb) +{ + struct ob_mac_tso_iocb_req *ob_mac_tso_iocb = + (struct ob_mac_tso_iocb_req *)ob_mac_iocb; + struct tx_buf_desc *tbd; + u16 frame_len; + + printk(KERN_ERR PFX "%s\n", __func__); + printk(KERN_ERR PFX "opcode = %s\n", + (ob_mac_iocb->opcode == OPCODE_OB_MAC_IOCB) ? "MAC" : "TSO"); + printk(KERN_ERR PFX "flags1 = %s %s %s %s %s\n", + ob_mac_tso_iocb->flags1 & OB_MAC_TSO_IOCB_OI ? "OI" : "", + ob_mac_tso_iocb->flags1 & OB_MAC_TSO_IOCB_I ? "I" : "", + ob_mac_tso_iocb->flags1 & OB_MAC_TSO_IOCB_D ? "D" : "", + ob_mac_tso_iocb->flags1 & OB_MAC_TSO_IOCB_IP4 ? "IP4" : "", + ob_mac_tso_iocb->flags1 & OB_MAC_TSO_IOCB_IP6 ? "IP6" : ""); + printk(KERN_ERR PFX "flags2 = %s %s %s\n", + ob_mac_tso_iocb->flags2 & OB_MAC_TSO_IOCB_LSO ? "LSO" : "", + ob_mac_tso_iocb->flags2 & OB_MAC_TSO_IOCB_UC ? "UC" : "", + ob_mac_tso_iocb->flags2 & OB_MAC_TSO_IOCB_TC ? "TC" : ""); + printk(KERN_ERR PFX "flags3 = %s %s %s \n", + ob_mac_tso_iocb->flags3 & OB_MAC_TSO_IOCB_IC ? "IC" : "", + ob_mac_tso_iocb->flags3 & OB_MAC_TSO_IOCB_DFP ? "DFP" : "", + ob_mac_tso_iocb->flags3 & OB_MAC_TSO_IOCB_V ? "V" : ""); + printk(KERN_ERR PFX "tid = %x\n", ob_mac_iocb->tid); + printk(KERN_ERR PFX "txq_idx = %d\n", ob_mac_iocb->txq_idx); + printk(KERN_ERR PFX "vlan_tci = %x\n", ob_mac_tso_iocb->vlan_tci); + if (ob_mac_iocb->opcode == OPCODE_OB_MAC_TSO_IOCB) { + printk(KERN_ERR PFX "frame_len = %d\n", + le32_to_cpu(ob_mac_tso_iocb->frame_len)); + printk(KERN_ERR PFX "mss = %d\n", + le16_to_cpu(ob_mac_tso_iocb->mss)); + printk(KERN_ERR PFX "prot_hdr_len = %d\n", + le16_to_cpu(ob_mac_tso_iocb->total_hdrs_len)); + printk(KERN_ERR PFX "hdr_offset = 0x%.04x\n", + le16_to_cpu(ob_mac_tso_iocb->net_trans_offset)); + frame_len = le32_to_cpu(ob_mac_tso_iocb->frame_len); + } else { + printk(KERN_ERR PFX "frame_len = %d\n", + le16_to_cpu(ob_mac_iocb->frame_len)); + frame_len = le16_to_cpu(ob_mac_iocb->frame_len); + } + tbd = &ob_mac_iocb->tbd[0]; + ql_dump_tx_desc(tbd); +} + +void ql_dump_ob_mac_rsp(struct ob_mac_iocb_rsp *ob_mac_rsp) +{ + printk(KERN_ERR PFX "%s\n", __func__); + printk(KERN_ERR PFX "opcode = %d\n", ob_mac_rsp->opcode); + printk(KERN_ERR PFX "flags = %s %s %s %s %s %s %s\n", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_OI ? "OI" : ".", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_I ? "I" : ".", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_E ? "E" : ".", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_S ? "S" : ".", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_L ? "L" : ".", + ob_mac_rsp->flags1 & OB_MAC_IOCB_RSP_P ? "P" : ".", + ob_mac_rsp->flags2 & OB_MAC_IOCB_RSP_B ? "B" : "."); + printk(KERN_ERR PFX "tid = %x\n", ob_mac_rsp->tid); +} +#endif + +#ifdef QL_IB_DUMP +void ql_dump_ib_mac_rsp(struct ib_mac_iocb_rsp *ib_mac_rsp) +{ + printk(KERN_ERR PFX "%s\n", __func__); + printk(KERN_ERR PFX "opcode = 0x%x\n", ib_mac_rsp->opcode); + printk(KERN_ERR PFX "flags1 = %s%s%s%s%s%s\n", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_OI ? "OI " : "", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_I ? "I " : "", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_TE ? "TE " : "", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_NU ? "NU " : "", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_IE ? "IE " : "", + ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_B ? "B " : ""); + + if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) + printk(KERN_ERR PFX "%s%s%s Multicast.\n", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_HASH ? "Hash" : "", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_REG ? "Registered" : "", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_PROM ? "Promiscuous" : ""); + + printk(KERN_ERR PFX "flags2 = %s%s%s%s%s\n", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) ? "P " : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ? "V " : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) ? "U " : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) ? "T " : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_FO) ? "FO " : ""); + + if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) + printk(KERN_ERR PFX "%s%s%s%s%s error.\n", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) == + IB_MAC_IOCB_RSP_ERR_OVERSIZE ? "oversize" : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) == + IB_MAC_IOCB_RSP_ERR_UNDERSIZE ? "undersize" : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) == + IB_MAC_IOCB_RSP_ERR_PREAMBLE ? "preamble" : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) == + IB_MAC_IOCB_RSP_ERR_FRAME_LEN ? "frame length" : "", + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) == + IB_MAC_IOCB_RSP_ERR_CRC ? "CRC" : ""); + + printk(KERN_ERR PFX "flags3 = %s%s.\n", + ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DS ? "DS " : "", + ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DL ? "DL " : ""); + + if (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) + printk(KERN_ERR PFX "RSS flags = %s%s%s%s.\n", + ((ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) == + IB_MAC_IOCB_RSP_M_IPV4) ? "IPv4 RSS" : "", + ((ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) == + IB_MAC_IOCB_RSP_M_IPV6) ? "IPv6 RSS " : "", + ((ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) == + IB_MAC_IOCB_RSP_M_TCP_V4) ? "TCP/IPv4 RSS" : "", + ((ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) == + IB_MAC_IOCB_RSP_M_TCP_V6) ? "TCP/IPv6 RSS" : ""); + + printk(KERN_ERR PFX "data_len = %d\n", + le32_to_cpu(ib_mac_rsp->data_len)); + printk(KERN_ERR PFX "data_addr_hi = 0x%x\n", + le32_to_cpu(ib_mac_rsp->data_addr_hi)); + printk(KERN_ERR PFX "data_addr_lo = 0x%x\n", + le32_to_cpu(ib_mac_rsp->data_addr_lo)); + if (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_RSS_MASK) + printk(KERN_ERR PFX "rss = %x\n", + le32_to_cpu(ib_mac_rsp->rss)); + if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) + printk(KERN_ERR PFX "vlan_id = %x\n", + le16_to_cpu(ib_mac_rsp->vlan_id)); + + printk(KERN_ERR PFX "flags4 = %s%s%s.\n", + le32_to_cpu(ib_mac_rsp-> + flags4) & IB_MAC_IOCB_RSP_HV ? "HV " : "", + le32_to_cpu(ib_mac_rsp-> + flags4) & IB_MAC_IOCB_RSP_HS ? "HS " : "", + le32_to_cpu(ib_mac_rsp-> + flags4) & IB_MAC_IOCB_RSP_HL ? "HL " : ""); + + if (le32_to_cpu(ib_mac_rsp->flags4) & IB_MAC_IOCB_RSP_HV) { + printk(KERN_ERR PFX "hdr length = %d.\n", + le32_to_cpu(ib_mac_rsp->hdr_len)); + printk(KERN_ERR PFX "hdr addr_hi = 0x%x.\n", + le32_to_cpu(ib_mac_rsp->hdr_addr_hi)); + printk(KERN_ERR PFX "hdr addr_lo = 0x%x.\n", + le32_to_cpu(ib_mac_rsp->hdr_addr_lo)); + } +} +#endif + +#ifdef QL_ALL_DUMP +void ql_dump_all(struct ql_adapter *qdev) +{ + int i; + + QL_DUMP_REGS(qdev); + QL_DUMP_QDEV(qdev); + for (i = 0; i < qdev->tx_ring_count; i++) { + QL_DUMP_TX_RING(&qdev->tx_ring[i]); + QL_DUMP_WQICB((struct wqicb *)&qdev->tx_ring[i]); + } + for (i = 0; i < qdev->rx_ring_count; i++) { + QL_DUMP_RX_RING(&qdev->rx_ring[i]); + QL_DUMP_CQICB((struct cqicb *)&qdev->rx_ring[i]); + } +} +#endif diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c new file mode 100644 index 000000000000..6457f8c4fdaa --- /dev/null +++ b/drivers/net/qlge/qlge_ethtool.c @@ -0,0 +1,415 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "qlge.h" + +static int ql_update_ring_coalescing(struct ql_adapter *qdev) +{ + int i, status = 0; + struct rx_ring *rx_ring; + struct cqicb *cqicb; + + if (!netif_running(qdev->ndev)) + return status; + + spin_lock(&qdev->hw_lock); + /* Skip the default queue, and update the outbound handler + * queues if they changed. + */ + cqicb = (struct cqicb *)&qdev->rx_ring[1]; + if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs || + le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) { + for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) { + rx_ring = &qdev->rx_ring[i]; + cqicb = (struct cqicb *)rx_ring; + cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs); + cqicb->pkt_delay = + le16_to_cpu(qdev->tx_max_coalesced_frames); + cqicb->flags = FLAGS_LI; + status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), + CFG_LCQ, rx_ring->cq_id); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to load CQICB.\n"); + goto exit; + } + } + } + + /* Update the inbound (RSS) handler queues if they changed. */ + cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_first_cq_id]; + if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs || + le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) { + for (i = qdev->rss_ring_first_cq_id; + i <= qdev->rss_ring_first_cq_id + qdev->rss_ring_count; + i++) { + rx_ring = &qdev->rx_ring[i]; + cqicb = (struct cqicb *)rx_ring; + cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs); + cqicb->pkt_delay = + le16_to_cpu(qdev->rx_max_coalesced_frames); + cqicb->flags = FLAGS_LI; + status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), + CFG_LCQ, rx_ring->cq_id); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to load CQICB.\n"); + goto exit; + } + } + } +exit: + spin_unlock(&qdev->hw_lock); + return status; +} + +void ql_update_stats(struct ql_adapter *qdev) +{ + u32 i; + u64 data; + u64 *iter = &qdev->nic_stats.tx_pkts; + + spin_lock(&qdev->stats_lock); + if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) { + QPRINTK(qdev, DRV, ERR, + "Couldn't get xgmac sem.\n"); + goto quit; + } + /* + * Get TX statistics. + */ + for (i = 0x200; i < 0x280; i += 8) { + if (ql_read_xgmac_reg64(qdev, i, &data)) { + QPRINTK(qdev, DRV, ERR, + "Error reading status register 0x%.04x.\n", i); + goto end; + } else + *iter = data; + iter++; + } + + /* + * Get RX statistics. + */ + for (i = 0x300; i < 0x3d0; i += 8) { + if (ql_read_xgmac_reg64(qdev, i, &data)) { + QPRINTK(qdev, DRV, ERR, + "Error reading status register 0x%.04x.\n", i); + goto end; + } else + *iter = data; + iter++; + } + +end: + ql_sem_unlock(qdev, qdev->xg_sem_mask); +quit: + spin_unlock(&qdev->stats_lock); + + QL_DUMP_STAT(qdev); + + return; +} + +static char ql_stats_str_arr[][ETH_GSTRING_LEN] = { + {"tx_pkts"}, + {"tx_bytes"}, + {"tx_mcast_pkts"}, + {"tx_bcast_pkts"}, + {"tx_ucast_pkts"}, + {"tx_ctl_pkts"}, + {"tx_pause_pkts"}, + {"tx_64_pkts"}, + {"tx_65_to_127_pkts"}, + {"tx_128_to_255_pkts"}, + {"tx_256_511_pkts"}, + {"tx_512_to_1023_pkts"}, + {"tx_1024_to_1518_pkts"}, + {"tx_1519_to_max_pkts"}, + {"tx_undersize_pkts"}, + {"tx_oversize_pkts"}, + {"rx_bytes"}, + {"rx_bytes_ok"}, + {"rx_pkts"}, + {"rx_pkts_ok"}, + {"rx_bcast_pkts"}, + {"rx_mcast_pkts"}, + {"rx_ucast_pkts"}, + {"rx_undersize_pkts"}, + {"rx_oversize_pkts"}, + {"rx_jabber_pkts"}, + {"rx_undersize_fcerr_pkts"}, + {"rx_drop_events"}, + {"rx_fcerr_pkts"}, + {"rx_align_err"}, + {"rx_symbol_err"}, + {"rx_mac_err"}, + {"rx_ctl_pkts"}, + {"rx_pause_pkts"}, + {"rx_64_pkts"}, + {"rx_65_to_127_pkts"}, + {"rx_128_255_pkts"}, + {"rx_256_511_pkts"}, + {"rx_512_to_1023_pkts"}, + {"rx_1024_to_1518_pkts"}, + {"rx_1519_to_max_pkts"}, + {"rx_len_err_pkts"}, +}; + +static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr)); + break; + } +} + +static int ql_get_sset_count(struct net_device *dev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(ql_stats_str_arr); + default: + return -EOPNOTSUPP; + } +} + +static void +ql_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *stats, u64 *data) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + struct nic_stats *s = &qdev->nic_stats; + + ql_update_stats(qdev); + + *data++ = s->tx_pkts; + *data++ = s->tx_bytes; + *data++ = s->tx_mcast_pkts; + *data++ = s->tx_bcast_pkts; + *data++ = s->tx_ucast_pkts; + *data++ = s->tx_ctl_pkts; + *data++ = s->tx_pause_pkts; + *data++ = s->tx_64_pkt; + *data++ = s->tx_65_to_127_pkt; + *data++ = s->tx_128_to_255_pkt; + *data++ = s->tx_256_511_pkt; + *data++ = s->tx_512_to_1023_pkt; + *data++ = s->tx_1024_to_1518_pkt; + *data++ = s->tx_1519_to_max_pkt; + *data++ = s->tx_undersize_pkt; + *data++ = s->tx_oversize_pkt; + *data++ = s->rx_bytes; + *data++ = s->rx_bytes_ok; + *data++ = s->rx_pkts; + *data++ = s->rx_pkts_ok; + *data++ = s->rx_bcast_pkts; + *data++ = s->rx_mcast_pkts; + *data++ = s->rx_ucast_pkts; + *data++ = s->rx_undersize_pkts; + *data++ = s->rx_oversize_pkts; + *data++ = s->rx_jabber_pkts; + *data++ = s->rx_undersize_fcerr_pkts; + *data++ = s->rx_drop_events; + *data++ = s->rx_fcerr_pkts; + *data++ = s->rx_align_err; + *data++ = s->rx_symbol_err; + *data++ = s->rx_mac_err; + *data++ = s->rx_ctl_pkts; + *data++ = s->rx_pause_pkts; + *data++ = s->rx_64_pkts; + *data++ = s->rx_65_to_127_pkts; + *data++ = s->rx_128_255_pkts; + *data++ = s->rx_256_511_pkts; + *data++ = s->rx_512_to_1023_pkts; + *data++ = s->rx_1024_to_1518_pkts; + *data++ = s->rx_1519_to_max_pkts; + *data++ = s->rx_len_err_pkts; +} + +static int ql_get_settings(struct net_device *ndev, + struct ethtool_cmd *ecmd) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->advertising = ADVERTISED_10000baseT_Full; + ecmd->autoneg = AUTONEG_ENABLE; + ecmd->transceiver = XCVR_EXTERNAL; + if ((qdev->link_status & LINK_TYPE_MASK) == LINK_TYPE_10GBASET) { + ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg); + ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg); + ecmd->port = PORT_TP; + } else { + ecmd->supported |= SUPPORTED_FIBRE; + ecmd->advertising |= ADVERTISED_FIBRE; + ecmd->port = PORT_FIBRE; + } + + ecmd->speed = SPEED_10000; + ecmd->duplex = DUPLEX_FULL; + + return 0; +} + +static void ql_get_drvinfo(struct net_device *ndev, + struct ethtool_drvinfo *drvinfo) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + strncpy(drvinfo->driver, qlge_driver_name, 32); + strncpy(drvinfo->version, qlge_driver_version, 32); + strncpy(drvinfo->fw_version, "N/A", 32); + strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = 0; + drvinfo->eedump_len = 0; +} + +static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) +{ + struct ql_adapter *qdev = netdev_priv(dev); + + c->rx_coalesce_usecs = qdev->rx_coalesce_usecs; + c->tx_coalesce_usecs = qdev->tx_coalesce_usecs; + + /* This chip coalesces as follows: + * If a packet arrives, hold off interrupts until + * cqicb->int_delay expires, but if no other packets arrive don't + * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a + * timer to coalesce on a frame basis. So, we have to take ethtool's + * max_coalesced_frames value and convert it to a delay in microseconds. + * We do this by using a basic thoughput of 1,000,000 frames per + * second @ (1024 bytes). This means one frame per usec. So it's a + * simple one to one ratio. + */ + c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames; + c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames; + + return 0; +} + +static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + /* Validate user parameters. */ + if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2) + return -EINVAL; + /* Don't wait more than 10 usec. */ + if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) + return -EINVAL; + if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2) + return -EINVAL; + if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT) + return -EINVAL; + + /* Verify a change took place before updating the hardware. */ + if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs && + qdev->tx_coalesce_usecs == c->tx_coalesce_usecs && + qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames && + qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames) + return 0; + + qdev->rx_coalesce_usecs = c->rx_coalesce_usecs; + qdev->tx_coalesce_usecs = c->tx_coalesce_usecs; + qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames; + qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames; + + return ql_update_ring_coalescing(qdev); +} + +static u32 ql_get_rx_csum(struct net_device *netdev) +{ + struct ql_adapter *qdev = netdev_priv(netdev); + return qdev->rx_csum; +} + +static int ql_set_rx_csum(struct net_device *netdev, uint32_t data) +{ + struct ql_adapter *qdev = netdev_priv(netdev); + qdev->rx_csum = data; + return 0; +} + +static int ql_set_tso(struct net_device *ndev, uint32_t data) +{ + + if (data) { + ndev->features |= NETIF_F_TSO; + ndev->features |= NETIF_F_TSO6; + } else { + ndev->features &= ~NETIF_F_TSO; + ndev->features &= ~NETIF_F_TSO6; + } + return 0; +} + +static u32 ql_get_msglevel(struct net_device *ndev) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + return qdev->msg_enable; +} + +static void ql_set_msglevel(struct net_device *ndev, u32 value) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + qdev->msg_enable = value; +} + +const struct ethtool_ops qlge_ethtool_ops = { + .get_settings = ql_get_settings, + .get_drvinfo = ql_get_drvinfo, + .get_msglevel = ql_get_msglevel, + .set_msglevel = ql_set_msglevel, + .get_link = ethtool_op_get_link, + .get_rx_csum = ql_get_rx_csum, + .set_rx_csum = ql_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, + .get_tso = ethtool_op_get_tso, + .set_tso = ql_set_tso, + .get_coalesce = ql_get_coalesce, + .set_coalesce = ql_set_coalesce, + .get_sset_count = ql_get_sset_count, + .get_strings = ql_get_strings, + .get_ethtool_stats = ql_get_ethtool_stats, +}; + diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c new file mode 100644 index 000000000000..ad878e2b9ded --- /dev/null +++ b/drivers/net/qlge/qlge_main.c @@ -0,0 +1,3954 @@ +/* + * QLogic qlge NIC HBA Driver + * Copyright (c) 2003-2008 QLogic Corporation + * See LICENSE.qlge for copyright and licensing details. + * Author: Linux qlge network device driver by + * Ron Mercer + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "qlge.h" + +char qlge_driver_name[] = DRV_NAME; +const char qlge_driver_version[] = DRV_VERSION; + +MODULE_AUTHOR("Ron Mercer "); +MODULE_DESCRIPTION(DRV_STRING " "); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +static const u32 default_msg = + NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | +/* NETIF_MSG_TIMER | */ + NETIF_MSG_IFDOWN | + NETIF_MSG_IFUP | + NETIF_MSG_RX_ERR | + NETIF_MSG_TX_ERR | + NETIF_MSG_TX_QUEUED | + NETIF_MSG_INTR | NETIF_MSG_TX_DONE | NETIF_MSG_RX_STATUS | +/* NETIF_MSG_PKTDATA | */ + NETIF_MSG_HW | NETIF_MSG_WOL | 0; + +static int debug = 0x00007fff; /* defaults above */ +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + +#define MSIX_IRQ 0 +#define MSI_IRQ 1 +#define LEG_IRQ 2 +static int irq_type = MSIX_IRQ; +module_param(irq_type, int, MSIX_IRQ); +MODULE_PARM_DESC(irq_type, "0 = MSI-X, 1 = MSI, 2 = Legacy."); + +static struct pci_device_id qlge_pci_tbl[] __devinitdata = { + {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID)}, + {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, QLGE_DEVICE_ID1)}, + /* required last entry */ + {0,} +}; + +MODULE_DEVICE_TABLE(pci, qlge_pci_tbl); + +/* This hardware semaphore causes exclusive access to + * resources shared between the NIC driver, MPI firmware, + * FCOE firmware and the FC driver. + */ +static int ql_sem_trylock(struct ql_adapter *qdev, u32 sem_mask) +{ + u32 sem_bits = 0; + + switch (sem_mask) { + case SEM_XGMAC0_MASK: + sem_bits = SEM_SET << SEM_XGMAC0_SHIFT; + break; + case SEM_XGMAC1_MASK: + sem_bits = SEM_SET << SEM_XGMAC1_SHIFT; + break; + case SEM_ICB_MASK: + sem_bits = SEM_SET << SEM_ICB_SHIFT; + break; + case SEM_MAC_ADDR_MASK: + sem_bits = SEM_SET << SEM_MAC_ADDR_SHIFT; + break; + case SEM_FLASH_MASK: + sem_bits = SEM_SET << SEM_FLASH_SHIFT; + break; + case SEM_PROBE_MASK: + sem_bits = SEM_SET << SEM_PROBE_SHIFT; + break; + case SEM_RT_IDX_MASK: + sem_bits = SEM_SET << SEM_RT_IDX_SHIFT; + break; + case SEM_PROC_REG_MASK: + sem_bits = SEM_SET << SEM_PROC_REG_SHIFT; + break; + default: + QPRINTK(qdev, PROBE, ALERT, "Bad Semaphore mask!.\n"); + return -EINVAL; + } + + ql_write32(qdev, SEM, sem_bits | sem_mask); + return !(ql_read32(qdev, SEM) & sem_bits); +} + +int ql_sem_spinlock(struct ql_adapter *qdev, u32 sem_mask) +{ + unsigned int seconds = 3; + do { + if (!ql_sem_trylock(qdev, sem_mask)) + return 0; + ssleep(1); + } while (--seconds); + return -ETIMEDOUT; +} + +void ql_sem_unlock(struct ql_adapter *qdev, u32 sem_mask) +{ + ql_write32(qdev, SEM, sem_mask); + ql_read32(qdev, SEM); /* flush */ +} + +/* This function waits for a specific bit to come ready + * in a given register. It is used mostly by the initialize + * process, but is also used in kernel thread API such as + * netdev->set_multi, netdev->set_mac_address, netdev->vlan_rx_add_vid. + */ +int ql_wait_reg_rdy(struct ql_adapter *qdev, u32 reg, u32 bit, u32 err_bit) +{ + u32 temp; + int count = UDELAY_COUNT; + + while (count) { + temp = ql_read32(qdev, reg); + + /* check for errors */ + if (temp & err_bit) { + QPRINTK(qdev, PROBE, ALERT, + "register 0x%.08x access error, value = 0x%.08x!.\n", + reg, temp); + return -EIO; + } else if (temp & bit) + return 0; + udelay(UDELAY_DELAY); + count--; + } + QPRINTK(qdev, PROBE, ALERT, + "Timed out waiting for reg %x to come ready.\n", reg); + return -ETIMEDOUT; +} + +/* The CFG register is used to download TX and RX control blocks + * to the chip. This function waits for an operation to complete. + */ +static int ql_wait_cfg(struct ql_adapter *qdev, u32 bit) +{ + int count = UDELAY_COUNT; + u32 temp; + + while (count) { + temp = ql_read32(qdev, CFG); + if (temp & CFG_LE) + return -EIO; + if (!(temp & bit)) + return 0; + udelay(UDELAY_DELAY); + count--; + } + return -ETIMEDOUT; +} + + +/* Used to issue init control blocks to hw. Maps control block, + * sets address, triggers download, waits for completion. + */ +int ql_write_cfg(struct ql_adapter *qdev, void *ptr, int size, u32 bit, + u16 q_id) +{ + u64 map; + int status = 0; + int direction; + u32 mask; + u32 value; + + direction = + (bit & (CFG_LRQ | CFG_LR | CFG_LCQ)) ? PCI_DMA_TODEVICE : + PCI_DMA_FROMDEVICE; + + map = pci_map_single(qdev->pdev, ptr, size, direction); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, IFUP, ERR, "Couldn't map DMA area.\n"); + return -ENOMEM; + } + + status = ql_wait_cfg(qdev, bit); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Timed out waiting for CFG to come ready.\n"); + goto exit; + } + + status = ql_sem_spinlock(qdev, SEM_ICB_MASK); + if (status) + goto exit; + ql_write32(qdev, ICB_L, (u32) map); + ql_write32(qdev, ICB_H, (u32) (map >> 32)); + ql_sem_unlock(qdev, SEM_ICB_MASK); /* does flush too */ + + mask = CFG_Q_MASK | (bit << 16); + value = bit | (q_id << CFG_Q_SHIFT); + ql_write32(qdev, CFG, (mask | value)); + + /* + * Wait for the bit to clear after signaling hw. + */ + status = ql_wait_cfg(qdev, bit); +exit: + pci_unmap_single(qdev->pdev, map, size, direction); + return status; +} + +/* Get a specific MAC address from the CAM. Used for debug and reg dump. */ +int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, + u32 *value) +{ + u32 offset = 0; + int status; + + status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); + if (status) + return status; + switch (type) { + case MAC_ADDR_TYPE_MULTI_MAC: + case MAC_ADDR_TYPE_CAM_MAC: + { + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + if (status) + goto exit; + *value++ = ql_read32(qdev, MAC_ADDR_DATA); + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + if (status) + goto exit; + *value++ = ql_read32(qdev, MAC_ADDR_DATA); + if (type == MAC_ADDR_TYPE_CAM_MAC) { + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ + status = + ql_wait_reg_rdy(qdev, MAC_ADDR_IDX, + MAC_ADDR_MR, MAC_ADDR_E); + if (status) + goto exit; + *value++ = ql_read32(qdev, MAC_ADDR_DATA); + } + break; + } + case MAC_ADDR_TYPE_VLAN: + case MAC_ADDR_TYPE_MULTI_FLTR: + default: + QPRINTK(qdev, IFUP, CRIT, + "Address type %d not yet supported.\n", type); + status = -EPERM; + } +exit: + ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); + return status; +} + +/* Set up a MAC, multicast or VLAN address for the + * inbound frame matching. + */ +static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, + u16 index) +{ + u32 offset = 0; + int status = 0; + + status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK); + if (status) + return status; + switch (type) { + case MAC_ADDR_TYPE_MULTI_MAC: + case MAC_ADDR_TYPE_CAM_MAC: + { + u32 cam_output; + u32 upper = (addr[0] << 8) | addr[1]; + u32 lower = + (addr[2] << 24) | (addr[3] << 16) | (addr[4] << 8) | + (addr[5]); + + QPRINTK(qdev, IFUP, INFO, + "Adding %s address %02x:%02x:%02x:%02x:%02x:%02x" + " at index %d in the CAM.\n", + ((type == + MAC_ADDR_TYPE_MULTI_MAC) ? "MULTICAST" : + "UNICAST"), addr[0], addr[1], addr[2], addr[3], + addr[4], addr[5], index); + + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + type); /* type */ + ql_write32(qdev, MAC_ADDR_DATA, lower); + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + type); /* type */ + ql_write32(qdev, MAC_ADDR_DATA, upper); + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, (offset) | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + type); /* type */ + /* This field should also include the queue id + and possibly the function id. Right now we hardcode + the route field to NIC core. + */ + if (type == MAC_ADDR_TYPE_CAM_MAC) { + cam_output = (CAM_OUT_ROUTE_NIC | + (qdev-> + func << CAM_OUT_FUNC_SHIFT) | + (qdev-> + rss_ring_first_cq_id << + CAM_OUT_CQ_ID_SHIFT)); + if (qdev->vlgrp) + cam_output |= CAM_OUT_RV; + /* route to NIC core */ + ql_write32(qdev, MAC_ADDR_DATA, cam_output); + } + break; + } + case MAC_ADDR_TYPE_VLAN: + { + u32 enable_bit = *((u32 *) &addr[0]); + /* For VLAN, the addr actually holds a bit that + * either enables or disables the vlan id we are + * addressing. It's either MAC_ADDR_E on or off. + * That's bit-27 we're talking about. + */ + QPRINTK(qdev, IFUP, INFO, "%s VLAN ID %d %s the CAM.\n", + (enable_bit ? "Adding" : "Removing"), + index, (enable_bit ? "to" : "from")); + + status = + ql_wait_reg_rdy(qdev, + MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + if (status) + goto exit; + ql_write32(qdev, MAC_ADDR_IDX, offset | /* offset */ + (index << MAC_ADDR_IDX_SHIFT) | /* index */ + type | /* type */ + enable_bit); /* enable/disable */ + break; + } + case MAC_ADDR_TYPE_MULTI_FLTR: + default: + QPRINTK(qdev, IFUP, CRIT, + "Address type %d not yet supported.\n", type); + status = -EPERM; + } +exit: + ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK); + return status; +} + +/* Get a specific frame routing value from the CAM. + * Used for debug and reg dump. + */ +int ql_get_routing_reg(struct ql_adapter *qdev, u32 index, u32 *value) +{ + int status = 0; + + status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); + if (status) + goto exit; + + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, RT_IDX_E); + if (status) + goto exit; + + ql_write32(qdev, RT_IDX, + RT_IDX_TYPE_NICQ | RT_IDX_RS | (index << RT_IDX_IDX_SHIFT)); + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, RT_IDX_E); + if (status) + goto exit; + *value = ql_read32(qdev, RT_DATA); +exit: + ql_sem_unlock(qdev, SEM_RT_IDX_MASK); + return status; +} + +/* The NIC function for this chip has 16 routing indexes. Each one can be used + * to route different frame types to various inbound queues. We send broadcast/ + * multicast/error frames to the default queue for slow handling, + * and CAM hit/RSS frames to the fast handling queues. + */ +static int ql_set_routing_reg(struct ql_adapter *qdev, u32 index, u32 mask, + int enable) +{ + int status; + u32 value = 0; + + status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK); + if (status) + return status; + + QPRINTK(qdev, IFUP, DEBUG, + "%s %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s mask %s the routing reg.\n", + (enable ? "Adding" : "Removing"), + ((index == RT_IDX_ALL_ERR_SLOT) ? "MAC ERROR/ALL ERROR" : ""), + ((index == RT_IDX_IP_CSUM_ERR_SLOT) ? "IP CSUM ERROR" : ""), + ((index == + RT_IDX_TCP_UDP_CSUM_ERR_SLOT) ? "TCP/UDP CSUM ERROR" : ""), + ((index == RT_IDX_BCAST_SLOT) ? "BROADCAST" : ""), + ((index == RT_IDX_MCAST_MATCH_SLOT) ? "MULTICAST MATCH" : ""), + ((index == RT_IDX_ALLMULTI_SLOT) ? "ALL MULTICAST MATCH" : ""), + ((index == RT_IDX_UNUSED6_SLOT) ? "UNUSED6" : ""), + ((index == RT_IDX_UNUSED7_SLOT) ? "UNUSED7" : ""), + ((index == RT_IDX_RSS_MATCH_SLOT) ? "RSS ALL/IPV4 MATCH" : ""), + ((index == RT_IDX_RSS_IPV6_SLOT) ? "RSS IPV6" : ""), + ((index == RT_IDX_RSS_TCP4_SLOT) ? "RSS TCP4" : ""), + ((index == RT_IDX_RSS_TCP6_SLOT) ? "RSS TCP6" : ""), + ((index == RT_IDX_CAM_HIT_SLOT) ? "CAM HIT" : ""), + ((index == RT_IDX_UNUSED013) ? "UNUSED13" : ""), + ((index == RT_IDX_UNUSED014) ? "UNUSED14" : ""), + ((index == RT_IDX_PROMISCUOUS_SLOT) ? "PROMISCUOUS" : ""), + (enable ? "to" : "from")); + + switch (mask) { + case RT_IDX_CAM_HIT: + { + value = RT_IDX_DST_CAM_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_CAM_HIT_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_VALID: /* Promiscuous Mode frames. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_PROMISCUOUS_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_ERR: /* Pass up MAC,IP,TCP/UDP error frames. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_ALL_ERR_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_BCAST: /* Pass up Broadcast frames to default Q. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_BCAST_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_MCAST: /* Pass up All Multicast frames. */ + { + value = RT_IDX_DST_CAM_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_ALLMULTI_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_MCAST_MATCH: /* Pass up matched Multicast frames. */ + { + value = RT_IDX_DST_CAM_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_MCAST_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case RT_IDX_RSS_MATCH: /* Pass up matched RSS frames. */ + { + value = RT_IDX_DST_RSS | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (RT_IDX_RSS_MATCH_SLOT << RT_IDX_IDX_SHIFT);/* index */ + break; + } + case 0: /* Clear the E-bit on an entry. */ + { + value = RT_IDX_DST_DFLT_Q | /* dest */ + RT_IDX_TYPE_NICQ | /* type */ + (index << RT_IDX_IDX_SHIFT);/* index */ + break; + } + default: + QPRINTK(qdev, IFUP, ERR, "Mask type %d not yet supported.\n", + mask); + status = -EPERM; + goto exit; + } + + if (value) { + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, 0); + if (status) + goto exit; + value |= (enable ? RT_IDX_E : 0); + ql_write32(qdev, RT_IDX, value); + ql_write32(qdev, RT_DATA, enable ? mask : 0); + } +exit: + ql_sem_unlock(qdev, SEM_RT_IDX_MASK); + return status; +} + +static void ql_enable_interrupts(struct ql_adapter *qdev) +{ + ql_write32(qdev, INTR_EN, (INTR_EN_EI << 16) | INTR_EN_EI); +} + +static void ql_disable_interrupts(struct ql_adapter *qdev) +{ + ql_write32(qdev, INTR_EN, (INTR_EN_EI << 16)); +} + +/* If we're running with multiple MSI-X vectors then we enable on the fly. + * Otherwise, we may have multiple outstanding workers and don't want to + * enable until the last one finishes. In this case, the irq_cnt gets + * incremented everytime we queue a worker and decremented everytime + * a worker finishes. Once it hits zero we enable the interrupt. + */ +void ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr) +{ + if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) + ql_write32(qdev, INTR_EN, + qdev->intr_context[intr].intr_en_mask); + else { + if (qdev->legacy_check) + spin_lock(&qdev->legacy_lock); + if (atomic_dec_and_test(&qdev->intr_context[intr].irq_cnt)) { + QPRINTK(qdev, INTR, ERR, "Enabling interrupt %d.\n", + intr); + ql_write32(qdev, INTR_EN, + qdev->intr_context[intr].intr_en_mask); + } else { + QPRINTK(qdev, INTR, ERR, + "Skip enable, other queue(s) are active.\n"); + } + if (qdev->legacy_check) + spin_unlock(&qdev->legacy_lock); + } +} + +static u32 ql_disable_completion_interrupt(struct ql_adapter *qdev, u32 intr) +{ + u32 var = 0; + + if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) + goto exit; + else if (!atomic_read(&qdev->intr_context[intr].irq_cnt)) { + ql_write32(qdev, INTR_EN, + qdev->intr_context[intr].intr_dis_mask); + var = ql_read32(qdev, STS); + } + atomic_inc(&qdev->intr_context[intr].irq_cnt); +exit: + return var; +} + +static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev) +{ + int i; + for (i = 0; i < qdev->intr_count; i++) { + /* The enable call does a atomic_dec_and_test + * and enables only if the result is zero. + * So we precharge it here. + */ + atomic_set(&qdev->intr_context[i].irq_cnt, 1); + ql_enable_completion_interrupt(qdev, i); + } + +} + +int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) +{ + int status = 0; + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, + FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR); + if (status) + goto exit; + /* set up for reg read */ + ql_write32(qdev, FLASH_ADDR, FLASH_ADDR_R | offset); + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, + FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR); + if (status) + goto exit; + /* get the data */ + *data = ql_read32(qdev, FLASH_DATA); +exit: + return status; +} + +static int ql_get_flash_params(struct ql_adapter *qdev) +{ + int i; + int status; + u32 *p = (u32 *)&qdev->flash; + + if (ql_sem_spinlock(qdev, SEM_FLASH_MASK)) + return -ETIMEDOUT; + + for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) { + status = ql_read_flash_word(qdev, i, p); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n"); + goto exit; + } + + } +exit: + ql_sem_unlock(qdev, SEM_FLASH_MASK); + return status; +} + +/* xgmac register are located behind the xgmac_addr and xgmac_data + * register pair. Each read/write requires us to wait for the ready + * bit before reading/writing the data. + */ +static int ql_write_xgmac_reg(struct ql_adapter *qdev, u32 reg, u32 data) +{ + int status; + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, + XGMAC_ADDR, XGMAC_ADDR_RDY, XGMAC_ADDR_XME); + if (status) + return status; + /* write the data to the data reg */ + ql_write32(qdev, XGMAC_DATA, data); + /* trigger the write */ + ql_write32(qdev, XGMAC_ADDR, reg); + return status; +} + +/* xgmac register are located behind the xgmac_addr and xgmac_data + * register pair. Each read/write requires us to wait for the ready + * bit before reading/writing the data. + */ +int ql_read_xgmac_reg(struct ql_adapter *qdev, u32 reg, u32 *data) +{ + int status = 0; + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, + XGMAC_ADDR, XGMAC_ADDR_RDY, XGMAC_ADDR_XME); + if (status) + goto exit; + /* set up for reg read */ + ql_write32(qdev, XGMAC_ADDR, reg | XGMAC_ADDR_R); + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, + XGMAC_ADDR, XGMAC_ADDR_RDY, XGMAC_ADDR_XME); + if (status) + goto exit; + /* get the data */ + *data = ql_read32(qdev, XGMAC_DATA); +exit: + return status; +} + +/* This is used for reading the 64-bit statistics regs. */ +int ql_read_xgmac_reg64(struct ql_adapter *qdev, u32 reg, u64 *data) +{ + int status = 0; + u32 hi = 0; + u32 lo = 0; + + status = ql_read_xgmac_reg(qdev, reg, &lo); + if (status) + goto exit; + + status = ql_read_xgmac_reg(qdev, reg + 4, &hi); + if (status) + goto exit; + + *data = (u64) lo | ((u64) hi << 32); + +exit: + return status; +} + +/* Take the MAC Core out of reset. + * Enable statistics counting. + * Take the transmitter/receiver out of reset. + * This functionality may be done in the MPI firmware at a + * later date. + */ +static int ql_port_initialize(struct ql_adapter *qdev) +{ + int status = 0; + u32 data; + + if (ql_sem_trylock(qdev, qdev->xg_sem_mask)) { + /* Another function has the semaphore, so + * wait for the port init bit to come ready. + */ + QPRINTK(qdev, LINK, INFO, + "Another function has the semaphore, so wait for the port init bit to come ready.\n"); + status = ql_wait_reg_rdy(qdev, STS, qdev->port_init, 0); + if (status) { + QPRINTK(qdev, LINK, CRIT, + "Port initialize timed out.\n"); + } + return status; + } + + QPRINTK(qdev, LINK, INFO, "Got xgmac semaphore!.\n"); + /* Set the core reset. */ + status = ql_read_xgmac_reg(qdev, GLOBAL_CFG, &data); + if (status) + goto end; + data |= GLOBAL_CFG_RESET; + status = ql_write_xgmac_reg(qdev, GLOBAL_CFG, data); + if (status) + goto end; + + /* Clear the core reset and turn on jumbo for receiver. */ + data &= ~GLOBAL_CFG_RESET; /* Clear core reset. */ + data |= GLOBAL_CFG_JUMBO; /* Turn on jumbo. */ + data |= GLOBAL_CFG_TX_STAT_EN; + data |= GLOBAL_CFG_RX_STAT_EN; + status = ql_write_xgmac_reg(qdev, GLOBAL_CFG, data); + if (status) + goto end; + + /* Enable transmitter, and clear it's reset. */ + status = ql_read_xgmac_reg(qdev, TX_CFG, &data); + if (status) + goto end; + data &= ~TX_CFG_RESET; /* Clear the TX MAC reset. */ + data |= TX_CFG_EN; /* Enable the transmitter. */ + status = ql_write_xgmac_reg(qdev, TX_CFG, data); + if (status) + goto end; + + /* Enable receiver and clear it's reset. */ + status = ql_read_xgmac_reg(qdev, RX_CFG, &data); + if (status) + goto end; + data &= ~RX_CFG_RESET; /* Clear the RX MAC reset. */ + data |= RX_CFG_EN; /* Enable the receiver. */ + status = ql_write_xgmac_reg(qdev, RX_CFG, data); + if (status) + goto end; + + /* Turn on jumbo. */ + status = + ql_write_xgmac_reg(qdev, MAC_TX_PARAMS, MAC_TX_PARAMS_JUMBO | (0x2580 << 16)); + if (status) + goto end; + status = + ql_write_xgmac_reg(qdev, MAC_RX_PARAMS, 0x2580); + if (status) + goto end; + + /* Signal to the world that the port is enabled. */ + ql_write32(qdev, STS, ((qdev->port_init << 16) | qdev->port_init)); +end: + ql_sem_unlock(qdev, qdev->xg_sem_mask); + return status; +} + +/* Get the next large buffer. */ +struct bq_desc *ql_get_curr_lbuf(struct rx_ring *rx_ring) +{ + struct bq_desc *lbq_desc = &rx_ring->lbq[rx_ring->lbq_curr_idx]; + rx_ring->lbq_curr_idx++; + if (rx_ring->lbq_curr_idx == rx_ring->lbq_len) + rx_ring->lbq_curr_idx = 0; + rx_ring->lbq_free_cnt++; + return lbq_desc; +} + +/* Get the next small buffer. */ +struct bq_desc *ql_get_curr_sbuf(struct rx_ring *rx_ring) +{ + struct bq_desc *sbq_desc = &rx_ring->sbq[rx_ring->sbq_curr_idx]; + rx_ring->sbq_curr_idx++; + if (rx_ring->sbq_curr_idx == rx_ring->sbq_len) + rx_ring->sbq_curr_idx = 0; + rx_ring->sbq_free_cnt++; + return sbq_desc; +} + +/* Update an rx ring index. */ +static void ql_update_cq(struct rx_ring *rx_ring) +{ + rx_ring->cnsmr_idx++; + rx_ring->curr_entry++; + if (unlikely(rx_ring->cnsmr_idx == rx_ring->cq_len)) { + rx_ring->cnsmr_idx = 0; + rx_ring->curr_entry = rx_ring->cq_base; + } +} + +static void ql_write_cq_idx(struct rx_ring *rx_ring) +{ + ql_write_db_reg(rx_ring->cnsmr_idx, rx_ring->cnsmr_idx_db_reg); +} + +/* Process (refill) a large buffer queue. */ +static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) +{ + int clean_idx = rx_ring->lbq_clean_idx; + struct bq_desc *lbq_desc; + struct bq_element *bq; + u64 map; + int i; + + while (rx_ring->lbq_free_cnt > 16) { + for (i = 0; i < 16; i++) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "lbq: try cleaning clean_idx = %d.\n", + clean_idx); + lbq_desc = &rx_ring->lbq[clean_idx]; + bq = lbq_desc->bq; + if (lbq_desc->p.lbq_page == NULL) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "lbq: getting new page for index %d.\n", + lbq_desc->index); + lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC); + if (lbq_desc->p.lbq_page == NULL) { + QPRINTK(qdev, RX_STATUS, ERR, + "Couldn't get a page.\n"); + return; + } + map = pci_map_page(qdev->pdev, + lbq_desc->p.lbq_page, + 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, RX_STATUS, ERR, + "PCI mapping failed.\n"); + return; + } + pci_unmap_addr_set(lbq_desc, mapaddr, map); + pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); + bq->addr_lo = /*lbq_desc->addr_lo = */ + cpu_to_le32(map); + bq->addr_hi = /*lbq_desc->addr_hi = */ + cpu_to_le32(map >> 32); + } + clean_idx++; + if (clean_idx == rx_ring->lbq_len) + clean_idx = 0; + } + + rx_ring->lbq_clean_idx = clean_idx; + rx_ring->lbq_prod_idx += 16; + if (rx_ring->lbq_prod_idx == rx_ring->lbq_len) + rx_ring->lbq_prod_idx = 0; + QPRINTK(qdev, RX_STATUS, DEBUG, + "lbq: updating prod idx = %d.\n", + rx_ring->lbq_prod_idx); + ql_write_db_reg(rx_ring->lbq_prod_idx, + rx_ring->lbq_prod_idx_db_reg); + rx_ring->lbq_free_cnt -= 16; + } +} + +/* Process (refill) a small buffer queue. */ +static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) +{ + int clean_idx = rx_ring->sbq_clean_idx; + struct bq_desc *sbq_desc; + struct bq_element *bq; + u64 map; + int i; + + while (rx_ring->sbq_free_cnt > 16) { + for (i = 0; i < 16; i++) { + sbq_desc = &rx_ring->sbq[clean_idx]; + QPRINTK(qdev, RX_STATUS, DEBUG, + "sbq: try cleaning clean_idx = %d.\n", + clean_idx); + bq = sbq_desc->bq; + if (sbq_desc->p.skb == NULL) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "sbq: getting new skb for index %d.\n", + sbq_desc->index); + sbq_desc->p.skb = + netdev_alloc_skb(qdev->ndev, + rx_ring->sbq_buf_size); + if (sbq_desc->p.skb == NULL) { + QPRINTK(qdev, PROBE, ERR, + "Couldn't get an skb.\n"); + rx_ring->sbq_clean_idx = clean_idx; + return; + } + skb_reserve(sbq_desc->p.skb, QLGE_SB_PAD); + map = pci_map_single(qdev->pdev, + sbq_desc->p.skb->data, + rx_ring->sbq_buf_size / + 2, PCI_DMA_FROMDEVICE); + pci_unmap_addr_set(sbq_desc, mapaddr, map); + pci_unmap_len_set(sbq_desc, maplen, + rx_ring->sbq_buf_size / 2); + bq->addr_lo = cpu_to_le32(map); + bq->addr_hi = cpu_to_le32(map >> 32); + } + + clean_idx++; + if (clean_idx == rx_ring->sbq_len) + clean_idx = 0; + } + rx_ring->sbq_clean_idx = clean_idx; + rx_ring->sbq_prod_idx += 16; + if (rx_ring->sbq_prod_idx == rx_ring->sbq_len) + rx_ring->sbq_prod_idx = 0; + QPRINTK(qdev, RX_STATUS, DEBUG, + "sbq: updating prod idx = %d.\n", + rx_ring->sbq_prod_idx); + ql_write_db_reg(rx_ring->sbq_prod_idx, + rx_ring->sbq_prod_idx_db_reg); + + rx_ring->sbq_free_cnt -= 16; + } +} + +static void ql_update_buffer_queues(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + ql_update_sbq(qdev, rx_ring); + ql_update_lbq(qdev, rx_ring); +} + +/* Unmaps tx buffers. Can be called from send() if a pci mapping + * fails at some stage, or from the interrupt when a tx completes. + */ +static void ql_unmap_send(struct ql_adapter *qdev, + struct tx_ring_desc *tx_ring_desc, int mapped) +{ + int i; + for (i = 0; i < mapped; i++) { + if (i == 0 || (i == 7 && mapped > 7)) { + /* + * Unmap the skb->data area, or the + * external sglist (AKA the Outbound + * Address List (OAL)). + * If its the zeroeth element, then it's + * the skb->data area. If it's the 7th + * element and there is more than 6 frags, + * then its an OAL. + */ + if (i == 7) { + QPRINTK(qdev, TX_DONE, DEBUG, + "unmapping OAL area.\n"); + } + pci_unmap_single(qdev->pdev, + pci_unmap_addr(&tx_ring_desc->map[i], + mapaddr), + pci_unmap_len(&tx_ring_desc->map[i], + maplen), + PCI_DMA_TODEVICE); + } else { + QPRINTK(qdev, TX_DONE, DEBUG, "unmapping frag %d.\n", + i); + pci_unmap_page(qdev->pdev, + pci_unmap_addr(&tx_ring_desc->map[i], + mapaddr), + pci_unmap_len(&tx_ring_desc->map[i], + maplen), PCI_DMA_TODEVICE); + } + } + +} + +/* Map the buffers for this transmit. This will return + * NETDEV_TX_BUSY or NETDEV_TX_OK based on success. + */ +static int ql_map_send(struct ql_adapter *qdev, + struct ob_mac_iocb_req *mac_iocb_ptr, + struct sk_buff *skb, struct tx_ring_desc *tx_ring_desc) +{ + int len = skb_headlen(skb); + dma_addr_t map; + int frag_idx, err, map_idx = 0; + struct tx_buf_desc *tbd = mac_iocb_ptr->tbd; + int frag_cnt = skb_shinfo(skb)->nr_frags; + + if (frag_cnt) { + QPRINTK(qdev, TX_QUEUED, DEBUG, "frag_cnt = %d.\n", frag_cnt); + } + /* + * Map the skb buffer first. + */ + map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE); + + err = pci_dma_mapping_error(qdev->pdev, map); + if (err) { + QPRINTK(qdev, TX_QUEUED, ERR, + "PCI mapping failed with error: %d\n", err); + + return NETDEV_TX_BUSY; + } + + tbd->len = cpu_to_le32(len); + tbd->addr = cpu_to_le64(map); + pci_unmap_addr_set(&tx_ring_desc->map[map_idx], mapaddr, map); + pci_unmap_len_set(&tx_ring_desc->map[map_idx], maplen, len); + map_idx++; + + /* + * This loop fills the remainder of the 8 address descriptors + * in the IOCB. If there are more than 7 fragments, then the + * eighth address desc will point to an external list (OAL). + * When this happens, the remainder of the frags will be stored + * in this list. + */ + for (frag_idx = 0; frag_idx < frag_cnt; frag_idx++, map_idx++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_idx]; + tbd++; + if (frag_idx == 6 && frag_cnt > 7) { + /* Let's tack on an sglist. + * Our control block will now + * look like this: + * iocb->seg[0] = skb->data + * iocb->seg[1] = frag[0] + * iocb->seg[2] = frag[1] + * iocb->seg[3] = frag[2] + * iocb->seg[4] = frag[3] + * iocb->seg[5] = frag[4] + * iocb->seg[6] = frag[5] + * iocb->seg[7] = ptr to OAL (external sglist) + * oal->seg[0] = frag[6] + * oal->seg[1] = frag[7] + * oal->seg[2] = frag[8] + * oal->seg[3] = frag[9] + * oal->seg[4] = frag[10] + * etc... + */ + /* Tack on the OAL in the eighth segment of IOCB. */ + map = pci_map_single(qdev->pdev, &tx_ring_desc->oal, + sizeof(struct oal), + PCI_DMA_TODEVICE); + err = pci_dma_mapping_error(qdev->pdev, map); + if (err) { + QPRINTK(qdev, TX_QUEUED, ERR, + "PCI mapping outbound address list with error: %d\n", + err); + goto map_error; + } + + tbd->addr = cpu_to_le64(map); + /* + * The length is the number of fragments + * that remain to be mapped times the length + * of our sglist (OAL). + */ + tbd->len = + cpu_to_le32((sizeof(struct tx_buf_desc) * + (frag_cnt - frag_idx)) | TX_DESC_C); + pci_unmap_addr_set(&tx_ring_desc->map[map_idx], mapaddr, + map); + pci_unmap_len_set(&tx_ring_desc->map[map_idx], maplen, + sizeof(struct oal)); + tbd = (struct tx_buf_desc *)&tx_ring_desc->oal; + map_idx++; + } + + map = + pci_map_page(qdev->pdev, frag->page, + frag->page_offset, frag->size, + PCI_DMA_TODEVICE); + + err = pci_dma_mapping_error(qdev->pdev, map); + if (err) { + QPRINTK(qdev, TX_QUEUED, ERR, + "PCI mapping frags failed with error: %d.\n", + err); + goto map_error; + } + + tbd->addr = cpu_to_le64(map); + tbd->len = cpu_to_le32(frag->size); + pci_unmap_addr_set(&tx_ring_desc->map[map_idx], mapaddr, map); + pci_unmap_len_set(&tx_ring_desc->map[map_idx], maplen, + frag->size); + + } + /* Save the number of segments we've mapped. */ + tx_ring_desc->map_cnt = map_idx; + /* Terminate the last segment. */ + tbd->len = cpu_to_le32(le32_to_cpu(tbd->len) | TX_DESC_E); + return NETDEV_TX_OK; + +map_error: + /* + * If the first frag mapping failed, then i will be zero. + * This causes the unmap of the skb->data area. Otherwise + * we pass in the number of frags that mapped successfully + * so they can be umapped. + */ + ql_unmap_send(qdev, tx_ring_desc, map_idx); + return NETDEV_TX_BUSY; +} + +void ql_realign_skb(struct sk_buff *skb, int len) +{ + void *temp_addr = skb->data; + + /* Undo the skb_reserve(skb,32) we did before + * giving to hardware, and realign data on + * a 2-byte boundary. + */ + skb->data -= QLGE_SB_PAD - NET_IP_ALIGN; + skb->tail -= QLGE_SB_PAD - NET_IP_ALIGN; + skb_copy_to_linear_data(skb, temp_addr, + (unsigned int)len); +} + +/* + * This function builds an skb for the given inbound + * completion. It will be rewritten for readability in the near + * future, but for not it works well. + */ +static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, + struct rx_ring *rx_ring, + struct ib_mac_iocb_rsp *ib_mac_rsp) +{ + struct bq_desc *lbq_desc; + struct bq_desc *sbq_desc; + struct sk_buff *skb = NULL; + u32 length = le32_to_cpu(ib_mac_rsp->data_len); + u32 hdr_len = le32_to_cpu(ib_mac_rsp->hdr_len); + + /* + * Handle the header buffer if present. + */ + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV && + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS) { + QPRINTK(qdev, RX_STATUS, DEBUG, "Header of %d bytes in small buffer.\n", hdr_len); + /* + * Headers fit nicely into a small buffer. + */ + sbq_desc = ql_get_curr_sbuf(rx_ring); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(sbq_desc, mapaddr), + pci_unmap_len(sbq_desc, maplen), + PCI_DMA_FROMDEVICE); + skb = sbq_desc->p.skb; + ql_realign_skb(skb, hdr_len); + skb_put(skb, hdr_len); + sbq_desc->p.skb = NULL; + } + + /* + * Handle the data buffer(s). + */ + if (unlikely(!length)) { /* Is there data too? */ + QPRINTK(qdev, RX_STATUS, DEBUG, + "No Data buffer in this packet.\n"); + return skb; + } + + if (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DS) { + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Headers in small, data of %d bytes in small, combine them.\n", length); + /* + * Data is less than small buffer size so it's + * stuffed in a small buffer. + * For this case we append the data + * from the "data" small buffer to the "header" small + * buffer. + */ + sbq_desc = ql_get_curr_sbuf(rx_ring); + pci_dma_sync_single_for_cpu(qdev->pdev, + pci_unmap_addr + (sbq_desc, mapaddr), + pci_unmap_len + (sbq_desc, maplen), + PCI_DMA_FROMDEVICE); + memcpy(skb_put(skb, length), + sbq_desc->p.skb->data, length); + pci_dma_sync_single_for_device(qdev->pdev, + pci_unmap_addr + (sbq_desc, + mapaddr), + pci_unmap_len + (sbq_desc, + maplen), + PCI_DMA_FROMDEVICE); + } else { + QPRINTK(qdev, RX_STATUS, DEBUG, + "%d bytes in a single small buffer.\n", length); + sbq_desc = ql_get_curr_sbuf(rx_ring); + skb = sbq_desc->p.skb; + ql_realign_skb(skb, length); + skb_put(skb, length); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(sbq_desc, + mapaddr), + pci_unmap_len(sbq_desc, + maplen), + PCI_DMA_FROMDEVICE); + sbq_desc->p.skb = NULL; + } + } else if (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DL) { + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Header in small, %d bytes in large. Chain large to small!\n", length); + /* + * The data is in a single large buffer. We + * chain it to the header buffer's skb and let + * it rip. + */ + lbq_desc = ql_get_curr_lbuf(rx_ring); + pci_unmap_page(qdev->pdev, + pci_unmap_addr(lbq_desc, + mapaddr), + pci_unmap_len(lbq_desc, maplen), + PCI_DMA_FROMDEVICE); + QPRINTK(qdev, RX_STATUS, DEBUG, + "Chaining page to skb.\n"); + skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page, + 0, length); + skb->len += length; + skb->data_len += length; + skb->truesize += length; + lbq_desc->p.lbq_page = NULL; + } else { + /* + * The headers and data are in a single large buffer. We + * copy it to a new skb and let it go. This can happen with + * jumbo mtu on a non-TCP/UDP frame. + */ + lbq_desc = ql_get_curr_lbuf(rx_ring); + skb = netdev_alloc_skb(qdev->ndev, length); + if (skb == NULL) { + QPRINTK(qdev, PROBE, DEBUG, + "No skb available, drop the packet.\n"); + return NULL; + } + skb_reserve(skb, NET_IP_ALIGN); + QPRINTK(qdev, RX_STATUS, DEBUG, + "%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length); + skb_fill_page_desc(skb, 0, lbq_desc->p.lbq_page, + 0, length); + skb->len += length; + skb->data_len += length; + skb->truesize += length; + length -= length; + lbq_desc->p.lbq_page = NULL; + __pskb_pull_tail(skb, + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ? + VLAN_ETH_HLEN : ETH_HLEN); + } + } else { + /* + * The data is in a chain of large buffers + * pointed to by a small buffer. We loop + * thru and chain them to the our small header + * buffer's skb. + * frags: There are 18 max frags and our small + * buffer will hold 32 of them. The thing is, + * we'll use 3 max for our 9000 byte jumbo + * frames. If the MTU goes up we could + * eventually be in trouble. + */ + int size, offset, i = 0; + struct bq_element *bq, bq_array[8]; + sbq_desc = ql_get_curr_sbuf(rx_ring); + pci_unmap_single(qdev->pdev, + pci_unmap_addr(sbq_desc, mapaddr), + pci_unmap_len(sbq_desc, maplen), + PCI_DMA_FROMDEVICE); + if (!(ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS)) { + /* + * This is an non TCP/UDP IP frame, so + * the headers aren't split into a small + * buffer. We have to use the small buffer + * that contains our sg list as our skb to + * send upstairs. Copy the sg list here to + * a local buffer and use it to find the + * pages to chain. + */ + QPRINTK(qdev, RX_STATUS, DEBUG, + "%d bytes of headers & data in chain of large.\n", length); + skb = sbq_desc->p.skb; + bq = &bq_array[0]; + memcpy(bq, skb->data, sizeof(bq_array)); + sbq_desc->p.skb = NULL; + skb_reserve(skb, NET_IP_ALIGN); + } else { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Headers in small, %d bytes of data in chain of large.\n", length); + bq = (struct bq_element *)sbq_desc->p.skb->data; + } + while (length > 0) { + lbq_desc = ql_get_curr_lbuf(rx_ring); + if ((bq->addr_lo & ~BQ_MASK) != lbq_desc->bq->addr_lo) { + QPRINTK(qdev, RX_STATUS, ERR, + "Panic!!! bad large buffer address, expected 0x%.08x, got 0x%.08x.\n", + lbq_desc->bq->addr_lo, bq->addr_lo); + return NULL; + } + pci_unmap_page(qdev->pdev, + pci_unmap_addr(lbq_desc, + mapaddr), + pci_unmap_len(lbq_desc, + maplen), + PCI_DMA_FROMDEVICE); + size = (length < PAGE_SIZE) ? length : PAGE_SIZE; + offset = 0; + + QPRINTK(qdev, RX_STATUS, DEBUG, + "Adding page %d to skb for %d bytes.\n", + i, size); + skb_fill_page_desc(skb, i, lbq_desc->p.lbq_page, + offset, size); + skb->len += size; + skb->data_len += size; + skb->truesize += size; + length -= size; + lbq_desc->p.lbq_page = NULL; + bq++; + i++; + } + __pskb_pull_tail(skb, (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) ? + VLAN_ETH_HLEN : ETH_HLEN); + } + return skb; +} + +/* Process an inbound completion from an rx ring. */ +static void ql_process_mac_rx_intr(struct ql_adapter *qdev, + struct rx_ring *rx_ring, + struct ib_mac_iocb_rsp *ib_mac_rsp) +{ + struct net_device *ndev = qdev->ndev; + struct sk_buff *skb = NULL; + + QL_DUMP_IB_MAC_RSP(ib_mac_rsp); + + skb = ql_build_rx_skb(qdev, rx_ring, ib_mac_rsp); + if (unlikely(!skb)) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "No skb available, drop packet.\n"); + return; + } + + prefetch(skb->data); + skb->dev = ndev; + if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) { + QPRINTK(qdev, RX_STATUS, DEBUG, "%s%s%s Multicast.\n", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_HASH ? "Hash" : "", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_REG ? "Registered" : "", + (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == + IB_MAC_IOCB_RSP_M_PROM ? "Promiscuous" : ""); + } + if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_P) { + QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n"); + } + if (ib_mac_rsp->flags1 & (IB_MAC_IOCB_RSP_IE | IB_MAC_IOCB_RSP_TE)) { + QPRINTK(qdev, RX_STATUS, ERR, + "Bad checksum for this %s packet.\n", + ((ib_mac_rsp-> + flags2 & IB_MAC_IOCB_RSP_T) ? "TCP" : "UDP")); + skb->ip_summed = CHECKSUM_NONE; + } else if (qdev->rx_csum && + ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T) || + ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_U) && + !(ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_NU)))) { + QPRINTK(qdev, RX_STATUS, DEBUG, "RX checksum done!\n"); + skb->ip_summed = CHECKSUM_UNNECESSARY; + } + qdev->stats.rx_packets++; + qdev->stats.rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, ndev); + if (qdev->vlgrp && (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V)) { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Passing a VLAN packet upstream.\n"); + vlan_hwaccel_rx(skb, qdev->vlgrp, + le16_to_cpu(ib_mac_rsp->vlan_id)); + } else { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Passing a normal packet upstream.\n"); + netif_rx(skb); + } + ndev->last_rx = jiffies; +} + +/* Process an outbound completion from an rx ring. */ +static void ql_process_mac_tx_intr(struct ql_adapter *qdev, + struct ob_mac_iocb_rsp *mac_rsp) +{ + struct tx_ring *tx_ring; + struct tx_ring_desc *tx_ring_desc; + + QL_DUMP_OB_MAC_RSP(mac_rsp); + tx_ring = &qdev->tx_ring[mac_rsp->txq_idx]; + tx_ring_desc = &tx_ring->q[mac_rsp->tid]; + ql_unmap_send(qdev, tx_ring_desc, tx_ring_desc->map_cnt); + qdev->stats.tx_bytes += tx_ring_desc->map_cnt; + qdev->stats.tx_packets++; + dev_kfree_skb(tx_ring_desc->skb); + tx_ring_desc->skb = NULL; + + if (unlikely(mac_rsp->flags1 & (OB_MAC_IOCB_RSP_E | + OB_MAC_IOCB_RSP_S | + OB_MAC_IOCB_RSP_L | + OB_MAC_IOCB_RSP_P | OB_MAC_IOCB_RSP_B))) { + if (mac_rsp->flags1 & OB_MAC_IOCB_RSP_E) { + QPRINTK(qdev, TX_DONE, WARNING, + "Total descriptor length did not match transfer length.\n"); + } + if (mac_rsp->flags1 & OB_MAC_IOCB_RSP_S) { + QPRINTK(qdev, TX_DONE, WARNING, + "Frame too short to be legal, not sent.\n"); + } + if (mac_rsp->flags1 & OB_MAC_IOCB_RSP_L) { + QPRINTK(qdev, TX_DONE, WARNING, + "Frame too long, but sent anyway.\n"); + } + if (mac_rsp->flags1 & OB_MAC_IOCB_RSP_B) { + QPRINTK(qdev, TX_DONE, WARNING, + "PCI backplane error. Frame not sent.\n"); + } + } + atomic_inc(&tx_ring->tx_count); +} + +/* Fire up a handler to reset the MPI processor. */ +void ql_queue_fw_error(struct ql_adapter *qdev) +{ + netif_stop_queue(qdev->ndev); + netif_carrier_off(qdev->ndev); + queue_delayed_work(qdev->workqueue, &qdev->mpi_reset_work, 0); +} + +void ql_queue_asic_error(struct ql_adapter *qdev) +{ + netif_stop_queue(qdev->ndev); + netif_carrier_off(qdev->ndev); + ql_disable_interrupts(qdev); + queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0); +} + +static void ql_process_chip_ae_intr(struct ql_adapter *qdev, + struct ib_ae_iocb_rsp *ib_ae_rsp) +{ + switch (ib_ae_rsp->event) { + case MGMT_ERR_EVENT: + QPRINTK(qdev, RX_ERR, ERR, + "Management Processor Fatal Error.\n"); + ql_queue_fw_error(qdev); + return; + + case CAM_LOOKUP_ERR_EVENT: + QPRINTK(qdev, LINK, ERR, + "Multiple CAM hits lookup occurred.\n"); + QPRINTK(qdev, DRV, ERR, "This event shouldn't occur.\n"); + ql_queue_asic_error(qdev); + return; + + case SOFT_ECC_ERROR_EVENT: + QPRINTK(qdev, RX_ERR, ERR, "Soft ECC error detected.\n"); + ql_queue_asic_error(qdev); + break; + + case PCI_ERR_ANON_BUF_RD: + QPRINTK(qdev, RX_ERR, ERR, + "PCI error occurred when reading anonymous buffers from rx_ring %d.\n", + ib_ae_rsp->q_id); + ql_queue_asic_error(qdev); + break; + + default: + QPRINTK(qdev, DRV, ERR, "Unexpected event %d.\n", + ib_ae_rsp->event); + ql_queue_asic_error(qdev); + break; + } +} + +static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) +{ + struct ql_adapter *qdev = rx_ring->qdev; + u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + struct ob_mac_iocb_rsp *net_rsp = NULL; + int count = 0; + + /* While there are entries in the completion queue. */ + while (prod != rx_ring->cnsmr_idx) { + + QPRINTK(qdev, RX_STATUS, DEBUG, + "cq_id = %d, prod = %d, cnsmr = %d.\n.", rx_ring->cq_id, + prod, rx_ring->cnsmr_idx); + + net_rsp = (struct ob_mac_iocb_rsp *)rx_ring->curr_entry; + rmb(); + switch (net_rsp->opcode) { + + case OPCODE_OB_MAC_TSO_IOCB: + case OPCODE_OB_MAC_IOCB: + ql_process_mac_tx_intr(qdev, net_rsp); + break; + default: + QPRINTK(qdev, RX_STATUS, DEBUG, + "Hit default case, not handled! dropping the packet, opcode = %x.\n", + net_rsp->opcode); + } + count++; + ql_update_cq(rx_ring); + prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + } + ql_write_cq_idx(rx_ring); + if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) { + struct tx_ring *tx_ring = &qdev->tx_ring[net_rsp->txq_idx]; + if (atomic_read(&tx_ring->queue_stopped) && + (atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) + /* + * The queue got stopped because the tx_ring was full. + * Wake it up, because it's now at least 25% empty. + */ + netif_wake_queue(qdev->ndev); + } + + return count; +} + +static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) +{ + struct ql_adapter *qdev = rx_ring->qdev; + u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + struct ql_net_rsp_iocb *net_rsp; + int count = 0; + + /* While there are entries in the completion queue. */ + while (prod != rx_ring->cnsmr_idx) { + + QPRINTK(qdev, RX_STATUS, DEBUG, + "cq_id = %d, prod = %d, cnsmr = %d.\n.", rx_ring->cq_id, + prod, rx_ring->cnsmr_idx); + + net_rsp = rx_ring->curr_entry; + rmb(); + switch (net_rsp->opcode) { + case OPCODE_IB_MAC_IOCB: + ql_process_mac_rx_intr(qdev, rx_ring, + (struct ib_mac_iocb_rsp *) + net_rsp); + break; + + case OPCODE_IB_AE_IOCB: + ql_process_chip_ae_intr(qdev, (struct ib_ae_iocb_rsp *) + net_rsp); + break; + default: + { + QPRINTK(qdev, RX_STATUS, DEBUG, + "Hit default case, not handled! dropping the packet, opcode = %x.\n", + net_rsp->opcode); + } + } + count++; + ql_update_cq(rx_ring); + prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + if (count == budget) + break; + } + ql_update_buffer_queues(qdev, rx_ring); + ql_write_cq_idx(rx_ring); + return count; +} + +static int ql_napi_poll_msix(struct napi_struct *napi, int budget) +{ + struct rx_ring *rx_ring = container_of(napi, struct rx_ring, napi); + struct ql_adapter *qdev = rx_ring->qdev; + int work_done = ql_clean_inbound_rx_ring(rx_ring, budget); + + QPRINTK(qdev, RX_STATUS, DEBUG, "Enter, NAPI POLL cq_id = %d.\n", + rx_ring->cq_id); + + if (work_done < budget) { + __netif_rx_complete(qdev->ndev, napi); + ql_enable_completion_interrupt(qdev, rx_ring->irq); + } + return work_done; +} + +static void ql_vlan_rx_register(struct net_device *ndev, struct vlan_group *grp) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + qdev->vlgrp = grp; + if (grp) { + QPRINTK(qdev, IFUP, DEBUG, "Turning on VLAN in NIC_RCV_CFG.\n"); + ql_write32(qdev, NIC_RCV_CFG, NIC_RCV_CFG_VLAN_MASK | + NIC_RCV_CFG_VLAN_MATCH_AND_NON); + } else { + QPRINTK(qdev, IFUP, DEBUG, + "Turning off VLAN in NIC_RCV_CFG.\n"); + ql_write32(qdev, NIC_RCV_CFG, NIC_RCV_CFG_VLAN_MASK); + } +} + +static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + u32 enable_bit = MAC_ADDR_E; + + spin_lock(&qdev->hw_lock); + if (ql_set_mac_addr_reg + (qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) { + QPRINTK(qdev, IFUP, ERR, "Failed to init vlan address.\n"); + } + spin_unlock(&qdev->hw_lock); +} + +static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + u32 enable_bit = 0; + + spin_lock(&qdev->hw_lock); + if (ql_set_mac_addr_reg + (qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) { + QPRINTK(qdev, IFUP, ERR, "Failed to clear vlan address.\n"); + } + spin_unlock(&qdev->hw_lock); + +} + +/* Worker thread to process a given rx_ring that is dedicated + * to outbound completions. + */ +static void ql_tx_clean(struct work_struct *work) +{ + struct rx_ring *rx_ring = + container_of(work, struct rx_ring, rx_work.work); + ql_clean_outbound_rx_ring(rx_ring); + ql_enable_completion_interrupt(rx_ring->qdev, rx_ring->irq); + +} + +/* Worker thread to process a given rx_ring that is dedicated + * to inbound completions. + */ +static void ql_rx_clean(struct work_struct *work) +{ + struct rx_ring *rx_ring = + container_of(work, struct rx_ring, rx_work.work); + ql_clean_inbound_rx_ring(rx_ring, 64); + ql_enable_completion_interrupt(rx_ring->qdev, rx_ring->irq); +} + +/* MSI-X Multiple Vector Interrupt Handler for outbound completions. */ +static irqreturn_t qlge_msix_tx_isr(int irq, void *dev_id) +{ + struct rx_ring *rx_ring = dev_id; + queue_delayed_work_on(rx_ring->cpu, rx_ring->qdev->q_workqueue, + &rx_ring->rx_work, 0); + return IRQ_HANDLED; +} + +/* MSI-X Multiple Vector Interrupt Handler for inbound completions. */ +static irqreturn_t qlge_msix_rx_isr(int irq, void *dev_id) +{ + struct rx_ring *rx_ring = dev_id; + struct ql_adapter *qdev = rx_ring->qdev; + netif_rx_schedule(qdev->ndev, &rx_ring->napi); + return IRQ_HANDLED; +} + +/* We check here to see if we're already handling a legacy + * interrupt. If we are, then it must belong to another + * chip with which we're sharing the interrupt line. + */ +int ql_legacy_check(struct ql_adapter *qdev) +{ + int err; + spin_lock(&qdev->legacy_lock); + err = atomic_read(&qdev->intr_context[0].irq_cnt); + spin_unlock(&qdev->legacy_lock); + return err; +} + +/* This handles a fatal error, MPI activity, and the default + * rx_ring in an MSI-X multiple vector environment. + * In MSI/Legacy environment it also process the rest of + * the rx_rings. + */ +static irqreturn_t qlge_isr(int irq, void *dev_id) +{ + struct rx_ring *rx_ring = dev_id; + struct ql_adapter *qdev = rx_ring->qdev; + struct intr_context *intr_context = &qdev->intr_context[0]; + u32 var; + int i; + int work_done = 0; + + if (qdev->legacy_check && qdev->legacy_check(qdev)) { + QPRINTK(qdev, INTR, INFO, "Already busy, not our interrupt.\n"); + return IRQ_NONE; /* Not our interrupt */ + } + + var = ql_read32(qdev, STS); + + /* + * Check for fatal error. + */ + if (var & STS_FE) { + ql_queue_asic_error(qdev); + QPRINTK(qdev, INTR, ERR, "Got fatal error, STS = %x.\n", var); + var = ql_read32(qdev, ERR_STS); + QPRINTK(qdev, INTR, ERR, + "Resetting chip. Error Status Register = 0x%x\n", var); + return IRQ_HANDLED; + } + + /* + * Check MPI processor activity. + */ + if (var & STS_PI) { + /* + * We've got an async event or mailbox completion. + * Handle it and clear the source of the interrupt. + */ + QPRINTK(qdev, INTR, ERR, "Got MPI processor interrupt.\n"); + ql_disable_completion_interrupt(qdev, intr_context->intr); + queue_delayed_work_on(smp_processor_id(), qdev->workqueue, + &qdev->mpi_work, 0); + work_done++; + } + + /* + * Check the default queue and wake handler if active. + */ + rx_ring = &qdev->rx_ring[0]; + if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { + QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n"); + ql_disable_completion_interrupt(qdev, intr_context->intr); + queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue, + &rx_ring->rx_work, 0); + work_done++; + } + + if (!test_bit(QL_MSIX_ENABLED, &qdev->flags)) { + /* + * Start the DPC for each active queue. + */ + for (i = 1; i < qdev->rx_ring_count; i++) { + rx_ring = &qdev->rx_ring[i]; + if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != + rx_ring->cnsmr_idx) { + QPRINTK(qdev, INTR, INFO, + "Waking handler for rx_ring[%d].\n", i); + ql_disable_completion_interrupt(qdev, + intr_context-> + intr); + if (i < qdev->rss_ring_first_cq_id) + queue_delayed_work_on(rx_ring->cpu, + qdev->q_workqueue, + &rx_ring->rx_work, + 0); + else + netif_rx_schedule(qdev->ndev, + &rx_ring->napi); + work_done++; + } + } + } + return work_done ? IRQ_HANDLED : IRQ_NONE; +} + +static int ql_tso(struct sk_buff *skb, struct ob_mac_tso_iocb_req *mac_iocb_ptr) +{ + + if (skb_is_gso(skb)) { + int err; + if (skb_header_cloned(skb)) { + err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (err) + return err; + } + + mac_iocb_ptr->opcode = OPCODE_OB_MAC_TSO_IOCB; + mac_iocb_ptr->flags3 |= OB_MAC_TSO_IOCB_IC; + mac_iocb_ptr->frame_len = cpu_to_le32((u32) skb->len); + mac_iocb_ptr->total_hdrs_len = + cpu_to_le16(skb_transport_offset(skb) + tcp_hdrlen(skb)); + mac_iocb_ptr->net_trans_offset = + cpu_to_le16(skb_network_offset(skb) | + skb_transport_offset(skb) + << OB_MAC_TRANSPORT_HDR_SHIFT); + mac_iocb_ptr->mss = cpu_to_le16(skb_shinfo(skb)->gso_size); + mac_iocb_ptr->flags2 |= OB_MAC_TSO_IOCB_LSO; + if (likely(skb->protocol == htons(ETH_P_IP))) { + struct iphdr *iph = ip_hdr(skb); + iph->check = 0; + mac_iocb_ptr->flags1 |= OB_MAC_TSO_IOCB_IP4; + tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, + iph->daddr, 0, + IPPROTO_TCP, + 0); + } else if (skb->protocol == htons(ETH_P_IPV6)) { + mac_iocb_ptr->flags1 |= OB_MAC_TSO_IOCB_IP6; + tcp_hdr(skb)->check = + ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr, + 0, IPPROTO_TCP, 0); + } + return 1; + } + return 0; +} + +static void ql_hw_csum_setup(struct sk_buff *skb, + struct ob_mac_tso_iocb_req *mac_iocb_ptr) +{ + int len; + struct iphdr *iph = ip_hdr(skb); + u16 *check; + mac_iocb_ptr->opcode = OPCODE_OB_MAC_TSO_IOCB; + mac_iocb_ptr->frame_len = cpu_to_le32((u32) skb->len); + mac_iocb_ptr->net_trans_offset = + cpu_to_le16(skb_network_offset(skb) | + skb_transport_offset(skb) << OB_MAC_TRANSPORT_HDR_SHIFT); + + mac_iocb_ptr->flags1 |= OB_MAC_TSO_IOCB_IP4; + len = (ntohs(iph->tot_len) - (iph->ihl << 2)); + if (likely(iph->protocol == IPPROTO_TCP)) { + check = &(tcp_hdr(skb)->check); + mac_iocb_ptr->flags2 |= OB_MAC_TSO_IOCB_TC; + mac_iocb_ptr->total_hdrs_len = + cpu_to_le16(skb_transport_offset(skb) + + (tcp_hdr(skb)->doff << 2)); + } else { + check = &(udp_hdr(skb)->check); + mac_iocb_ptr->flags2 |= OB_MAC_TSO_IOCB_UC; + mac_iocb_ptr->total_hdrs_len = + cpu_to_le16(skb_transport_offset(skb) + + sizeof(struct udphdr)); + } + *check = ~csum_tcpudp_magic(iph->saddr, + iph->daddr, len, iph->protocol, 0); +} + +static int qlge_send(struct sk_buff *skb, struct net_device *ndev) +{ + struct tx_ring_desc *tx_ring_desc; + struct ob_mac_iocb_req *mac_iocb_ptr; + struct ql_adapter *qdev = netdev_priv(ndev); + int tso; + struct tx_ring *tx_ring; + u32 tx_ring_idx = (u32) QL_TXQ_IDX(qdev, skb); + + tx_ring = &qdev->tx_ring[tx_ring_idx]; + + if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) { + QPRINTK(qdev, TX_QUEUED, INFO, + "%s: shutting down tx queue %d du to lack of resources.\n", + __func__, tx_ring_idx); + netif_stop_queue(ndev); + atomic_inc(&tx_ring->queue_stopped); + return NETDEV_TX_BUSY; + } + tx_ring_desc = &tx_ring->q[tx_ring->prod_idx]; + mac_iocb_ptr = tx_ring_desc->queue_entry; + memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr)); + if (ql_map_send(qdev, mac_iocb_ptr, skb, tx_ring_desc) != NETDEV_TX_OK) { + QPRINTK(qdev, TX_QUEUED, ERR, "Could not map the segments.\n"); + return NETDEV_TX_BUSY; + } + + mac_iocb_ptr->opcode = OPCODE_OB_MAC_IOCB; + mac_iocb_ptr->tid = tx_ring_desc->index; + /* We use the upper 32-bits to store the tx queue for this IO. + * When we get the completion we can use it to establish the context. + */ + mac_iocb_ptr->txq_idx = tx_ring_idx; + tx_ring_desc->skb = skb; + + mac_iocb_ptr->frame_len = cpu_to_le16((u16) skb->len); + + if (qdev->vlgrp && vlan_tx_tag_present(skb)) { + QPRINTK(qdev, TX_QUEUED, DEBUG, "Adding a vlan tag %d.\n", + vlan_tx_tag_get(skb)); + mac_iocb_ptr->flags3 |= OB_MAC_IOCB_V; + mac_iocb_ptr->vlan_tci = cpu_to_le16(vlan_tx_tag_get(skb)); + } + tso = ql_tso(skb, (struct ob_mac_tso_iocb_req *)mac_iocb_ptr); + if (tso < 0) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } else if (unlikely(!tso) && (skb->ip_summed == CHECKSUM_PARTIAL)) { + ql_hw_csum_setup(skb, + (struct ob_mac_tso_iocb_req *)mac_iocb_ptr); + } + QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr); + tx_ring->prod_idx++; + if (tx_ring->prod_idx == tx_ring->wq_len) + tx_ring->prod_idx = 0; + wmb(); + + ql_write_db_reg(tx_ring->prod_idx, tx_ring->prod_idx_db_reg); + ndev->trans_start = jiffies; + QPRINTK(qdev, TX_QUEUED, DEBUG, "tx queued, slot %d, len %d\n", + tx_ring->prod_idx, skb->len); + + atomic_dec(&tx_ring->tx_count); + return NETDEV_TX_OK; +} + +static void ql_free_shadow_space(struct ql_adapter *qdev) +{ + if (qdev->rx_ring_shadow_reg_area) { + pci_free_consistent(qdev->pdev, + PAGE_SIZE, + qdev->rx_ring_shadow_reg_area, + qdev->rx_ring_shadow_reg_dma); + qdev->rx_ring_shadow_reg_area = NULL; + } + if (qdev->tx_ring_shadow_reg_area) { + pci_free_consistent(qdev->pdev, + PAGE_SIZE, + qdev->tx_ring_shadow_reg_area, + qdev->tx_ring_shadow_reg_dma); + qdev->tx_ring_shadow_reg_area = NULL; + } +} + +static int ql_alloc_shadow_space(struct ql_adapter *qdev) +{ + qdev->rx_ring_shadow_reg_area = + pci_alloc_consistent(qdev->pdev, + PAGE_SIZE, &qdev->rx_ring_shadow_reg_dma); + if (qdev->rx_ring_shadow_reg_area == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Allocation of RX shadow space failed.\n"); + return -ENOMEM; + } + qdev->tx_ring_shadow_reg_area = + pci_alloc_consistent(qdev->pdev, PAGE_SIZE, + &qdev->tx_ring_shadow_reg_dma); + if (qdev->tx_ring_shadow_reg_area == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Allocation of TX shadow space failed.\n"); + goto err_wqp_sh_area; + } + return 0; + +err_wqp_sh_area: + pci_free_consistent(qdev->pdev, + PAGE_SIZE, + qdev->rx_ring_shadow_reg_area, + qdev->rx_ring_shadow_reg_dma); + return -ENOMEM; +} + +static void ql_init_tx_ring(struct ql_adapter *qdev, struct tx_ring *tx_ring) +{ + struct tx_ring_desc *tx_ring_desc; + int i; + struct ob_mac_iocb_req *mac_iocb_ptr; + + mac_iocb_ptr = tx_ring->wq_base; + tx_ring_desc = tx_ring->q; + for (i = 0; i < tx_ring->wq_len; i++) { + tx_ring_desc->index = i; + tx_ring_desc->skb = NULL; + tx_ring_desc->queue_entry = mac_iocb_ptr; + mac_iocb_ptr++; + tx_ring_desc++; + } + atomic_set(&tx_ring->tx_count, tx_ring->wq_len); + atomic_set(&tx_ring->queue_stopped, 0); +} + +static void ql_free_tx_resources(struct ql_adapter *qdev, + struct tx_ring *tx_ring) +{ + if (tx_ring->wq_base) { + pci_free_consistent(qdev->pdev, tx_ring->wq_size, + tx_ring->wq_base, tx_ring->wq_base_dma); + tx_ring->wq_base = NULL; + } + kfree(tx_ring->q); + tx_ring->q = NULL; +} + +static int ql_alloc_tx_resources(struct ql_adapter *qdev, + struct tx_ring *tx_ring) +{ + tx_ring->wq_base = + pci_alloc_consistent(qdev->pdev, tx_ring->wq_size, + &tx_ring->wq_base_dma); + + if ((tx_ring->wq_base == NULL) + || tx_ring->wq_base_dma & (tx_ring->wq_size - 1)) { + QPRINTK(qdev, IFUP, ERR, "tx_ring alloc failed.\n"); + return -ENOMEM; + } + tx_ring->q = + kmalloc(tx_ring->wq_len * sizeof(struct tx_ring_desc), GFP_KERNEL); + if (tx_ring->q == NULL) + goto err; + + return 0; +err: + pci_free_consistent(qdev->pdev, tx_ring->wq_size, + tx_ring->wq_base, tx_ring->wq_base_dma); + return -ENOMEM; +} + +void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring) +{ + int i; + struct bq_desc *lbq_desc; + + for (i = 0; i < rx_ring->lbq_len; i++) { + lbq_desc = &rx_ring->lbq[i]; + if (lbq_desc->p.lbq_page) { + pci_unmap_page(qdev->pdev, + pci_unmap_addr(lbq_desc, mapaddr), + pci_unmap_len(lbq_desc, maplen), + PCI_DMA_FROMDEVICE); + + put_page(lbq_desc->p.lbq_page); + lbq_desc->p.lbq_page = NULL; + } + lbq_desc->bq->addr_lo = 0; + lbq_desc->bq->addr_hi = 0; + } +} + +/* + * Allocate and map a page for each element of the lbq. + */ +static int ql_alloc_lbq_buffers(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + int i; + struct bq_desc *lbq_desc; + u64 map; + struct bq_element *bq = rx_ring->lbq_base; + + for (i = 0; i < rx_ring->lbq_len; i++) { + lbq_desc = &rx_ring->lbq[i]; + memset(lbq_desc, 0, sizeof(lbq_desc)); + lbq_desc->bq = bq; + lbq_desc->index = i; + lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC); + if (unlikely(!lbq_desc->p.lbq_page)) { + QPRINTK(qdev, IFUP, ERR, "failed alloc_page().\n"); + goto mem_error; + } else { + map = pci_map_page(qdev->pdev, + lbq_desc->p.lbq_page, + 0, PAGE_SIZE, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, IFUP, ERR, + "PCI mapping failed.\n"); + goto mem_error; + } + pci_unmap_addr_set(lbq_desc, mapaddr, map); + pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); + bq->addr_lo = cpu_to_le32(map); + bq->addr_hi = cpu_to_le32(map >> 32); + } + bq++; + } + return 0; +mem_error: + ql_free_lbq_buffers(qdev, rx_ring); + return -ENOMEM; +} + +void ql_free_sbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring) +{ + int i; + struct bq_desc *sbq_desc; + + for (i = 0; i < rx_ring->sbq_len; i++) { + sbq_desc = &rx_ring->sbq[i]; + if (sbq_desc == NULL) { + QPRINTK(qdev, IFUP, ERR, "sbq_desc %d is NULL.\n", i); + return; + } + if (sbq_desc->p.skb) { + pci_unmap_single(qdev->pdev, + pci_unmap_addr(sbq_desc, mapaddr), + pci_unmap_len(sbq_desc, maplen), + PCI_DMA_FROMDEVICE); + dev_kfree_skb(sbq_desc->p.skb); + sbq_desc->p.skb = NULL; + } + if (sbq_desc->bq == NULL) { + QPRINTK(qdev, IFUP, ERR, "sbq_desc->bq %d is NULL.\n", + i); + return; + } + sbq_desc->bq->addr_lo = 0; + sbq_desc->bq->addr_hi = 0; + } +} + +/* Allocate and map an skb for each element of the sbq. */ +static int ql_alloc_sbq_buffers(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + int i; + struct bq_desc *sbq_desc; + struct sk_buff *skb; + u64 map; + struct bq_element *bq = rx_ring->sbq_base; + + for (i = 0; i < rx_ring->sbq_len; i++) { + sbq_desc = &rx_ring->sbq[i]; + memset(sbq_desc, 0, sizeof(sbq_desc)); + sbq_desc->index = i; + sbq_desc->bq = bq; + skb = netdev_alloc_skb(qdev->ndev, rx_ring->sbq_buf_size); + if (unlikely(!skb)) { + /* Better luck next round */ + QPRINTK(qdev, IFUP, ERR, + "small buff alloc failed for %d bytes at index %d.\n", + rx_ring->sbq_buf_size, i); + goto mem_err; + } + skb_reserve(skb, QLGE_SB_PAD); + sbq_desc->p.skb = skb; + /* + * Map only half the buffer. Because the + * other half may get some data copied to it + * when the completion arrives. + */ + map = pci_map_single(qdev->pdev, + skb->data, + rx_ring->sbq_buf_size / 2, + PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n"); + goto mem_err; + } + pci_unmap_addr_set(sbq_desc, mapaddr, map); + pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); + bq->addr_lo = /*sbq_desc->addr_lo = */ + cpu_to_le32(map); + bq->addr_hi = /*sbq_desc->addr_hi = */ + cpu_to_le32(map >> 32); + bq++; + } + return 0; +mem_err: + ql_free_sbq_buffers(qdev, rx_ring); + return -ENOMEM; +} + +static void ql_free_rx_resources(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + if (rx_ring->sbq_len) + ql_free_sbq_buffers(qdev, rx_ring); + if (rx_ring->lbq_len) + ql_free_lbq_buffers(qdev, rx_ring); + + /* Free the small buffer queue. */ + if (rx_ring->sbq_base) { + pci_free_consistent(qdev->pdev, + rx_ring->sbq_size, + rx_ring->sbq_base, rx_ring->sbq_base_dma); + rx_ring->sbq_base = NULL; + } + + /* Free the small buffer queue control blocks. */ + kfree(rx_ring->sbq); + rx_ring->sbq = NULL; + + /* Free the large buffer queue. */ + if (rx_ring->lbq_base) { + pci_free_consistent(qdev->pdev, + rx_ring->lbq_size, + rx_ring->lbq_base, rx_ring->lbq_base_dma); + rx_ring->lbq_base = NULL; + } + + /* Free the large buffer queue control blocks. */ + kfree(rx_ring->lbq); + rx_ring->lbq = NULL; + + /* Free the rx queue. */ + if (rx_ring->cq_base) { + pci_free_consistent(qdev->pdev, + rx_ring->cq_size, + rx_ring->cq_base, rx_ring->cq_base_dma); + rx_ring->cq_base = NULL; + } +} + +/* Allocate queues and buffers for this completions queue based + * on the values in the parameter structure. */ +static int ql_alloc_rx_resources(struct ql_adapter *qdev, + struct rx_ring *rx_ring) +{ + + /* + * Allocate the completion queue for this rx_ring. + */ + rx_ring->cq_base = + pci_alloc_consistent(qdev->pdev, rx_ring->cq_size, + &rx_ring->cq_base_dma); + + if (rx_ring->cq_base == NULL) { + QPRINTK(qdev, IFUP, ERR, "rx_ring alloc failed.\n"); + return -ENOMEM; + } + + if (rx_ring->sbq_len) { + /* + * Allocate small buffer queue. + */ + rx_ring->sbq_base = + pci_alloc_consistent(qdev->pdev, rx_ring->sbq_size, + &rx_ring->sbq_base_dma); + + if (rx_ring->sbq_base == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Small buffer queue allocation failed.\n"); + goto err_mem; + } + + /* + * Allocate small buffer queue control blocks. + */ + rx_ring->sbq = + kmalloc(rx_ring->sbq_len * sizeof(struct bq_desc), + GFP_KERNEL); + if (rx_ring->sbq == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Small buffer queue control block allocation failed.\n"); + goto err_mem; + } + + if (ql_alloc_sbq_buffers(qdev, rx_ring)) { + QPRINTK(qdev, IFUP, ERR, + "Small buffer allocation failed.\n"); + goto err_mem; + } + } + + if (rx_ring->lbq_len) { + /* + * Allocate large buffer queue. + */ + rx_ring->lbq_base = + pci_alloc_consistent(qdev->pdev, rx_ring->lbq_size, + &rx_ring->lbq_base_dma); + + if (rx_ring->lbq_base == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Large buffer queue allocation failed.\n"); + goto err_mem; + } + /* + * Allocate large buffer queue control blocks. + */ + rx_ring->lbq = + kmalloc(rx_ring->lbq_len * sizeof(struct bq_desc), + GFP_KERNEL); + if (rx_ring->lbq == NULL) { + QPRINTK(qdev, IFUP, ERR, + "Large buffer queue control block allocation failed.\n"); + goto err_mem; + } + + /* + * Allocate the buffers. + */ + if (ql_alloc_lbq_buffers(qdev, rx_ring)) { + QPRINTK(qdev, IFUP, ERR, + "Large buffer allocation failed.\n"); + goto err_mem; + } + } + + return 0; + +err_mem: + ql_free_rx_resources(qdev, rx_ring); + return -ENOMEM; +} + +static void ql_tx_ring_clean(struct ql_adapter *qdev) +{ + struct tx_ring *tx_ring; + struct tx_ring_desc *tx_ring_desc; + int i, j; + + /* + * Loop through all queues and free + * any resources. + */ + for (j = 0; j < qdev->tx_ring_count; j++) { + tx_ring = &qdev->tx_ring[j]; + for (i = 0; i < tx_ring->wq_len; i++) { + tx_ring_desc = &tx_ring->q[i]; + if (tx_ring_desc && tx_ring_desc->skb) { + QPRINTK(qdev, IFDOWN, ERR, + "Freeing lost SKB %p, from queue %d, index %d.\n", + tx_ring_desc->skb, j, + tx_ring_desc->index); + ql_unmap_send(qdev, tx_ring_desc, + tx_ring_desc->map_cnt); + dev_kfree_skb(tx_ring_desc->skb); + tx_ring_desc->skb = NULL; + } + } + } +} + +static void ql_free_ring_cb(struct ql_adapter *qdev) +{ + kfree(qdev->ring_mem); +} + +static int ql_alloc_ring_cb(struct ql_adapter *qdev) +{ + /* Allocate space for tx/rx ring control blocks. */ + qdev->ring_mem_size = + (qdev->tx_ring_count * sizeof(struct tx_ring)) + + (qdev->rx_ring_count * sizeof(struct rx_ring)); + qdev->ring_mem = kmalloc(qdev->ring_mem_size, GFP_KERNEL); + if (qdev->ring_mem == NULL) { + return -ENOMEM; + } else { + qdev->rx_ring = qdev->ring_mem; + qdev->tx_ring = qdev->ring_mem + + (qdev->rx_ring_count * sizeof(struct rx_ring)); + } + return 0; +} + +static void ql_free_mem_resources(struct ql_adapter *qdev) +{ + int i; + + for (i = 0; i < qdev->tx_ring_count; i++) + ql_free_tx_resources(qdev, &qdev->tx_ring[i]); + for (i = 0; i < qdev->rx_ring_count; i++) + ql_free_rx_resources(qdev, &qdev->rx_ring[i]); + ql_free_shadow_space(qdev); +} + +static int ql_alloc_mem_resources(struct ql_adapter *qdev) +{ + int i; + + /* Allocate space for our shadow registers and such. */ + if (ql_alloc_shadow_space(qdev)) + return -ENOMEM; + + for (i = 0; i < qdev->rx_ring_count; i++) { + if (ql_alloc_rx_resources(qdev, &qdev->rx_ring[i]) != 0) { + QPRINTK(qdev, IFUP, ERR, + "RX resource allocation failed.\n"); + goto err_mem; + } + } + /* Allocate tx queue resources */ + for (i = 0; i < qdev->tx_ring_count; i++) { + if (ql_alloc_tx_resources(qdev, &qdev->tx_ring[i]) != 0) { + QPRINTK(qdev, IFUP, ERR, + "TX resource allocation failed.\n"); + goto err_mem; + } + } + return 0; + +err_mem: + ql_free_mem_resources(qdev); + return -ENOMEM; +} + +/* Set up the rx ring control block and pass it to the chip. + * The control block is defined as + * "Completion Queue Initialization Control Block", or cqicb. + */ +static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) +{ + struct cqicb *cqicb = &rx_ring->cqicb; + void *shadow_reg = qdev->rx_ring_shadow_reg_area + + (rx_ring->cq_id * sizeof(u64) * 4); + u64 shadow_reg_dma = qdev->rx_ring_shadow_reg_dma + + (rx_ring->cq_id * sizeof(u64) * 4); + void __iomem *doorbell_area = + qdev->doorbell_area + (DB_PAGE_SIZE * (128 + rx_ring->cq_id)); + int err = 0; + u16 bq_len; + + /* Set up the shadow registers for this ring. */ + rx_ring->prod_idx_sh_reg = shadow_reg; + rx_ring->prod_idx_sh_reg_dma = shadow_reg_dma; + shadow_reg += sizeof(u64); + shadow_reg_dma += sizeof(u64); + rx_ring->lbq_base_indirect = shadow_reg; + rx_ring->lbq_base_indirect_dma = shadow_reg_dma; + shadow_reg += sizeof(u64); + shadow_reg_dma += sizeof(u64); + rx_ring->sbq_base_indirect = shadow_reg; + rx_ring->sbq_base_indirect_dma = shadow_reg_dma; + + /* PCI doorbell mem area + 0x00 for consumer index register */ + rx_ring->cnsmr_idx_db_reg = (u32 *) doorbell_area; + rx_ring->cnsmr_idx = 0; + rx_ring->curr_entry = rx_ring->cq_base; + + /* PCI doorbell mem area + 0x04 for valid register */ + rx_ring->valid_db_reg = doorbell_area + 0x04; + + /* PCI doorbell mem area + 0x18 for large buffer consumer */ + rx_ring->lbq_prod_idx_db_reg = (u32 *) (doorbell_area + 0x18); + + /* PCI doorbell mem area + 0x1c */ + rx_ring->sbq_prod_idx_db_reg = (u32 *) (doorbell_area + 0x1c); + + memset((void *)cqicb, 0, sizeof(struct cqicb)); + cqicb->msix_vect = rx_ring->irq; + + cqicb->len = cpu_to_le16(rx_ring->cq_len | LEN_V | LEN_CPP_CONT); + + cqicb->addr_lo = cpu_to_le32(rx_ring->cq_base_dma); + cqicb->addr_hi = cpu_to_le32((u64) rx_ring->cq_base_dma >> 32); + + cqicb->prod_idx_addr_lo = cpu_to_le32(rx_ring->prod_idx_sh_reg_dma); + cqicb->prod_idx_addr_hi = + cpu_to_le32((u64) rx_ring->prod_idx_sh_reg_dma >> 32); + + /* + * Set up the control block load flags. + */ + cqicb->flags = FLAGS_LC | /* Load queue base address */ + FLAGS_LV | /* Load MSI-X vector */ + FLAGS_LI; /* Load irq delay values */ + if (rx_ring->lbq_len) { + cqicb->flags |= FLAGS_LL; /* Load lbq values */ + *((u64 *) rx_ring->lbq_base_indirect) = rx_ring->lbq_base_dma; + cqicb->lbq_addr_lo = + cpu_to_le32(rx_ring->lbq_base_indirect_dma); + cqicb->lbq_addr_hi = + cpu_to_le32((u64) rx_ring->lbq_base_indirect_dma >> 32); + cqicb->lbq_buf_size = cpu_to_le32(rx_ring->lbq_buf_size); + bq_len = (u16) rx_ring->lbq_len; + cqicb->lbq_len = cpu_to_le16(bq_len); + rx_ring->lbq_prod_idx = rx_ring->lbq_len - 16; + rx_ring->lbq_curr_idx = 0; + rx_ring->lbq_clean_idx = rx_ring->lbq_prod_idx; + rx_ring->lbq_free_cnt = 16; + } + if (rx_ring->sbq_len) { + cqicb->flags |= FLAGS_LS; /* Load sbq values */ + *((u64 *) rx_ring->sbq_base_indirect) = rx_ring->sbq_base_dma; + cqicb->sbq_addr_lo = + cpu_to_le32(rx_ring->sbq_base_indirect_dma); + cqicb->sbq_addr_hi = + cpu_to_le32((u64) rx_ring->sbq_base_indirect_dma >> 32); + cqicb->sbq_buf_size = + cpu_to_le16(((rx_ring->sbq_buf_size / 2) + 8) & 0xfffffff8); + bq_len = (u16) rx_ring->sbq_len; + cqicb->sbq_len = cpu_to_le16(bq_len); + rx_ring->sbq_prod_idx = rx_ring->sbq_len - 16; + rx_ring->sbq_curr_idx = 0; + rx_ring->sbq_clean_idx = rx_ring->sbq_prod_idx; + rx_ring->sbq_free_cnt = 16; + } + switch (rx_ring->type) { + case TX_Q: + /* If there's only one interrupt, then we use + * worker threads to process the outbound + * completion handling rx_rings. We do this so + * they can be run on multiple CPUs. There is + * room to play with this more where we would only + * run in a worker if there are more than x number + * of outbound completions on the queue and more + * than one queue active. Some threshold that + * would indicate a benefit in spite of the cost + * of a context switch. + * If there's more than one interrupt, then the + * outbound completions are processed in the ISR. + */ + if (!test_bit(QL_MSIX_ENABLED, &qdev->flags)) + INIT_DELAYED_WORK(&rx_ring->rx_work, ql_tx_clean); + else { + /* With all debug warnings on we see a WARN_ON message + * when we free the skb in the interrupt context. + */ + INIT_DELAYED_WORK(&rx_ring->rx_work, ql_tx_clean); + } + cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs); + cqicb->pkt_delay = cpu_to_le16(qdev->tx_max_coalesced_frames); + break; + case DEFAULT_Q: + INIT_DELAYED_WORK(&rx_ring->rx_work, ql_rx_clean); + cqicb->irq_delay = 0; + cqicb->pkt_delay = 0; + break; + case RX_Q: + /* Inbound completion handling rx_rings run in + * separate NAPI contexts. + */ + netif_napi_add(qdev->ndev, &rx_ring->napi, ql_napi_poll_msix, + 64); + cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs); + cqicb->pkt_delay = cpu_to_le16(qdev->rx_max_coalesced_frames); + break; + default: + QPRINTK(qdev, IFUP, DEBUG, "Invalid rx_ring->type = %d.\n", + rx_ring->type); + } + QPRINTK(qdev, IFUP, INFO, "Initializing rx work queue.\n"); + err = ql_write_cfg(qdev, cqicb, sizeof(struct cqicb), + CFG_LCQ, rx_ring->cq_id); + if (err) { + QPRINTK(qdev, IFUP, ERR, "Failed to load CQICB.\n"); + return err; + } + QPRINTK(qdev, IFUP, INFO, "Successfully loaded CQICB.\n"); + /* + * Advance the producer index for the buffer queues. + */ + wmb(); + if (rx_ring->lbq_len) + ql_write_db_reg(rx_ring->lbq_prod_idx, + rx_ring->lbq_prod_idx_db_reg); + if (rx_ring->sbq_len) + ql_write_db_reg(rx_ring->sbq_prod_idx, + rx_ring->sbq_prod_idx_db_reg); + return err; +} + +static int ql_start_tx_ring(struct ql_adapter *qdev, struct tx_ring *tx_ring) +{ + struct wqicb *wqicb = (struct wqicb *)tx_ring; + void __iomem *doorbell_area = + qdev->doorbell_area + (DB_PAGE_SIZE * tx_ring->wq_id); + void *shadow_reg = qdev->tx_ring_shadow_reg_area + + (tx_ring->wq_id * sizeof(u64)); + u64 shadow_reg_dma = qdev->tx_ring_shadow_reg_dma + + (tx_ring->wq_id * sizeof(u64)); + int err = 0; + + /* + * Assign doorbell registers for this tx_ring. + */ + /* TX PCI doorbell mem area for tx producer index */ + tx_ring->prod_idx_db_reg = (u32 *) doorbell_area; + tx_ring->prod_idx = 0; + /* TX PCI doorbell mem area + 0x04 */ + tx_ring->valid_db_reg = doorbell_area + 0x04; + + /* + * Assign shadow registers for this tx_ring. + */ + tx_ring->cnsmr_idx_sh_reg = shadow_reg; + tx_ring->cnsmr_idx_sh_reg_dma = shadow_reg_dma; + + wqicb->len = cpu_to_le16(tx_ring->wq_len | Q_LEN_V | Q_LEN_CPP_CONT); + wqicb->flags = cpu_to_le16(Q_FLAGS_LC | + Q_FLAGS_LB | Q_FLAGS_LI | Q_FLAGS_LO); + wqicb->cq_id_rss = cpu_to_le16(tx_ring->cq_id); + wqicb->rid = 0; + wqicb->addr_lo = cpu_to_le32(tx_ring->wq_base_dma); + wqicb->addr_hi = cpu_to_le32((u64) tx_ring->wq_base_dma >> 32); + + wqicb->cnsmr_idx_addr_lo = cpu_to_le32(tx_ring->cnsmr_idx_sh_reg_dma); + wqicb->cnsmr_idx_addr_hi = + cpu_to_le32((u64) tx_ring->cnsmr_idx_sh_reg_dma >> 32); + + ql_init_tx_ring(qdev, tx_ring); + + err = ql_write_cfg(qdev, wqicb, sizeof(wqicb), CFG_LRQ, + (u16) tx_ring->wq_id); + if (err) { + QPRINTK(qdev, IFUP, ERR, "Failed to load tx_ring.\n"); + return err; + } + QPRINTK(qdev, IFUP, INFO, "Successfully loaded WQICB.\n"); + return err; +} + +static void ql_disable_msix(struct ql_adapter *qdev) +{ + if (test_bit(QL_MSIX_ENABLED, &qdev->flags)) { + pci_disable_msix(qdev->pdev); + clear_bit(QL_MSIX_ENABLED, &qdev->flags); + kfree(qdev->msi_x_entry); + qdev->msi_x_entry = NULL; + } else if (test_bit(QL_MSI_ENABLED, &qdev->flags)) { + pci_disable_msi(qdev->pdev); + clear_bit(QL_MSI_ENABLED, &qdev->flags); + } +} + +static void ql_enable_msix(struct ql_adapter *qdev) +{ + int i; + + qdev->intr_count = 1; + /* Get the MSIX vectors. */ + if (irq_type == MSIX_IRQ) { + /* Try to alloc space for the msix struct, + * if it fails then go to MSI/legacy. + */ + qdev->msi_x_entry = kcalloc(qdev->rx_ring_count, + sizeof(struct msix_entry), + GFP_KERNEL); + if (!qdev->msi_x_entry) { + irq_type = MSI_IRQ; + goto msi; + } + + for (i = 0; i < qdev->rx_ring_count; i++) + qdev->msi_x_entry[i].entry = i; + + if (!pci_enable_msix + (qdev->pdev, qdev->msi_x_entry, qdev->rx_ring_count)) { + set_bit(QL_MSIX_ENABLED, &qdev->flags); + qdev->intr_count = qdev->rx_ring_count; + QPRINTK(qdev, IFUP, INFO, + "MSI-X Enabled, got %d vectors.\n", + qdev->intr_count); + return; + } else { + kfree(qdev->msi_x_entry); + qdev->msi_x_entry = NULL; + QPRINTK(qdev, IFUP, WARNING, + "MSI-X Enable failed, trying MSI.\n"); + irq_type = MSI_IRQ; + } + } +msi: + if (irq_type == MSI_IRQ) { + if (!pci_enable_msi(qdev->pdev)) { + set_bit(QL_MSI_ENABLED, &qdev->flags); + QPRINTK(qdev, IFUP, INFO, + "Running with MSI interrupts.\n"); + return; + } + } + irq_type = LEG_IRQ; + spin_lock_init(&qdev->legacy_lock); + qdev->legacy_check = ql_legacy_check; + QPRINTK(qdev, IFUP, DEBUG, "Running with legacy interrupts.\n"); +} + +/* + * Here we build the intr_context structures based on + * our rx_ring count and intr vector count. + * The intr_context structure is used to hook each vector + * to possibly different handlers. + */ +static void ql_resolve_queues_to_irqs(struct ql_adapter *qdev) +{ + int i = 0; + struct intr_context *intr_context = &qdev->intr_context[0]; + + ql_enable_msix(qdev); + + if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags))) { + /* Each rx_ring has it's + * own intr_context since we have separate + * vectors for each queue. + * This only true when MSI-X is enabled. + */ + for (i = 0; i < qdev->intr_count; i++, intr_context++) { + qdev->rx_ring[i].irq = i; + intr_context->intr = i; + intr_context->qdev = qdev; + /* + * We set up each vectors enable/disable/read bits so + * there's no bit/mask calculations in the critical path. + */ + intr_context->intr_en_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | + INTR_EN_TYPE_ENABLE | INTR_EN_IHD_MASK | INTR_EN_IHD + | i; + intr_context->intr_dis_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | + INTR_EN_TYPE_DISABLE | INTR_EN_IHD_MASK | + INTR_EN_IHD | i; + intr_context->intr_read_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | + INTR_EN_TYPE_READ | INTR_EN_IHD_MASK | INTR_EN_IHD | + i; + + if (i == 0) { + /* + * Default queue handles bcast/mcast plus + * async events. Needs buffers. + */ + intr_context->handler = qlge_isr; + sprintf(intr_context->name, "%s-default-queue", + qdev->ndev->name); + } else if (i < qdev->rss_ring_first_cq_id) { + /* + * Outbound queue is for outbound completions only. + */ + intr_context->handler = qlge_msix_tx_isr; + sprintf(intr_context->name, "%s-txq-%d", + qdev->ndev->name, i); + } else { + /* + * Inbound queues handle unicast frames only. + */ + intr_context->handler = qlge_msix_rx_isr; + sprintf(intr_context->name, "%s-rxq-%d", + qdev->ndev->name, i); + } + } + } else { + /* + * All rx_rings use the same intr_context since + * there is only one vector. + */ + intr_context->intr = 0; + intr_context->qdev = qdev; + /* + * We set up each vectors enable/disable/read bits so + * there's no bit/mask calculations in the critical path. + */ + intr_context->intr_en_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | INTR_EN_TYPE_ENABLE; + intr_context->intr_dis_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | + INTR_EN_TYPE_DISABLE; + intr_context->intr_read_mask = + INTR_EN_TYPE_MASK | INTR_EN_INTR_MASK | INTR_EN_TYPE_READ; + /* + * Single interrupt means one handler for all rings. + */ + intr_context->handler = qlge_isr; + sprintf(intr_context->name, "%s-single_irq", qdev->ndev->name); + for (i = 0; i < qdev->rx_ring_count; i++) + qdev->rx_ring[i].irq = 0; + } +} + +static void ql_free_irq(struct ql_adapter *qdev) +{ + int i; + struct intr_context *intr_context = &qdev->intr_context[0]; + + for (i = 0; i < qdev->intr_count; i++, intr_context++) { + if (intr_context->hooked) { + if (test_bit(QL_MSIX_ENABLED, &qdev->flags)) { + free_irq(qdev->msi_x_entry[i].vector, + &qdev->rx_ring[i]); + QPRINTK(qdev, IFDOWN, ERR, + "freeing msix interrupt %d.\n", i); + } else { + free_irq(qdev->pdev->irq, &qdev->rx_ring[0]); + QPRINTK(qdev, IFDOWN, ERR, + "freeing msi interrupt %d.\n", i); + } + } + } + ql_disable_msix(qdev); +} + +static int ql_request_irq(struct ql_adapter *qdev) +{ + int i; + int status = 0; + struct pci_dev *pdev = qdev->pdev; + struct intr_context *intr_context = &qdev->intr_context[0]; + + ql_resolve_queues_to_irqs(qdev); + + for (i = 0; i < qdev->intr_count; i++, intr_context++) { + atomic_set(&intr_context->irq_cnt, 0); + if (test_bit(QL_MSIX_ENABLED, &qdev->flags)) { + status = request_irq(qdev->msi_x_entry[i].vector, + intr_context->handler, + 0, + intr_context->name, + &qdev->rx_ring[i]); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed request for MSIX interrupt %d.\n", + i); + goto err_irq; + } else { + QPRINTK(qdev, IFUP, INFO, + "Hooked intr %d, queue type %s%s%s, with name %s.\n", + i, + qdev->rx_ring[i].type == + DEFAULT_Q ? "DEFAULT_Q" : "", + qdev->rx_ring[i].type == + TX_Q ? "TX_Q" : "", + qdev->rx_ring[i].type == + RX_Q ? "RX_Q" : "", intr_context->name); + } + } else { + QPRINTK(qdev, IFUP, DEBUG, + "trying msi or legacy interrupts.\n"); + QPRINTK(qdev, IFUP, DEBUG, + "%s: irq = %d.\n", __func__, pdev->irq); + QPRINTK(qdev, IFUP, DEBUG, + "%s: context->name = %s.\n", __func__, + intr_context->name); + QPRINTK(qdev, IFUP, DEBUG, + "%s: dev_id = 0x%p.\n", __func__, + &qdev->rx_ring[0]); + status = + request_irq(pdev->irq, qlge_isr, + test_bit(QL_MSI_ENABLED, + &qdev-> + flags) ? 0 : IRQF_SHARED, + intr_context->name, &qdev->rx_ring[0]); + if (status) + goto err_irq; + + QPRINTK(qdev, IFUP, ERR, + "Hooked intr %d, queue type %s%s%s, with name %s.\n", + i, + qdev->rx_ring[0].type == + DEFAULT_Q ? "DEFAULT_Q" : "", + qdev->rx_ring[0].type == TX_Q ? "TX_Q" : "", + qdev->rx_ring[0].type == RX_Q ? "RX_Q" : "", + intr_context->name); + } + intr_context->hooked = 1; + } + return status; +err_irq: + QPRINTK(qdev, IFUP, ERR, "Failed to get the interrupts!!!/n"); + ql_free_irq(qdev); + return status; +} + +static int ql_start_rss(struct ql_adapter *qdev) +{ + struct ricb *ricb = &qdev->ricb; + int status = 0; + int i; + u8 *hash_id = (u8 *) ricb->hash_cq_id; + + memset((void *)ricb, 0, sizeof(ricb)); + + ricb->base_cq = qdev->rss_ring_first_cq_id | RSS_L4K; + ricb->flags = + (RSS_L6K | RSS_LI | RSS_LB | RSS_LM | RSS_RI4 | RSS_RI6 | RSS_RT4 | + RSS_RT6); + ricb->mask = cpu_to_le16(qdev->rss_ring_count - 1); + + /* + * Fill out the Indirection Table. + */ + for (i = 0; i < 32; i++) + hash_id[i] = i & 1; + + /* + * Random values for the IPv6 and IPv4 Hash Keys. + */ + get_random_bytes((void *)&ricb->ipv6_hash_key[0], 40); + get_random_bytes((void *)&ricb->ipv4_hash_key[0], 16); + + QPRINTK(qdev, IFUP, INFO, "Initializing RSS.\n"); + + status = ql_write_cfg(qdev, ricb, sizeof(ricb), CFG_LR, 0); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to load RICB.\n"); + return status; + } + QPRINTK(qdev, IFUP, INFO, "Successfully loaded RICB.\n"); + return status; +} + +/* Initialize the frame-to-queue routing. */ +static int ql_route_initialize(struct ql_adapter *qdev) +{ + int status = 0; + int i; + + /* Clear all the entries in the routing table. */ + for (i = 0; i < 16; i++) { + status = ql_set_routing_reg(qdev, i, 0, 0); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init routing register for CAM packets.\n"); + return status; + } + } + + status = ql_set_routing_reg(qdev, RT_IDX_ALL_ERR_SLOT, RT_IDX_ERR, 1); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init routing register for error packets.\n"); + return status; + } + status = ql_set_routing_reg(qdev, RT_IDX_BCAST_SLOT, RT_IDX_BCAST, 1); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init routing register for broadcast packets.\n"); + return status; + } + /* If we have more than one inbound queue, then turn on RSS in the + * routing block. + */ + if (qdev->rss_ring_count > 1) { + status = ql_set_routing_reg(qdev, RT_IDX_RSS_MATCH_SLOT, + RT_IDX_RSS_MATCH, 1); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init routing register for MATCH RSS packets.\n"); + return status; + } + } + + status = ql_set_routing_reg(qdev, RT_IDX_CAM_HIT_SLOT, + RT_IDX_CAM_HIT, 1); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to init routing register for CAM packets.\n"); + return status; + } + return status; +} + +static int ql_adapter_initialize(struct ql_adapter *qdev) +{ + u32 value, mask; + int i; + int status = 0; + + /* + * Set up the System register to halt on errors. + */ + value = SYS_EFE | SYS_FAE; + mask = value << 16; + ql_write32(qdev, SYS, mask | value); + + /* Set the default queue. */ + value = NIC_RCV_CFG_DFQ; + mask = NIC_RCV_CFG_DFQ_MASK; + ql_write32(qdev, NIC_RCV_CFG, (mask | value)); + + /* Set the MPI interrupt to enabled. */ + ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI); + + /* Enable the function, set pagesize, enable error checking. */ + value = FSC_FE | FSC_EPC_INBOUND | FSC_EPC_OUTBOUND | + FSC_EC | FSC_VM_PAGE_4K | FSC_SH; + + /* Set/clear header splitting. */ + mask = FSC_VM_PAGESIZE_MASK | + FSC_DBL_MASK | FSC_DBRST_MASK | (value << 16); + ql_write32(qdev, FSC, mask | value); + + ql_write32(qdev, SPLT_HDR, SPLT_HDR_EP | + min(SMALL_BUFFER_SIZE, MAX_SPLIT_SIZE)); + + /* Start up the rx queues. */ + for (i = 0; i < qdev->rx_ring_count; i++) { + status = ql_start_rx_ring(qdev, &qdev->rx_ring[i]); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to start rx ring[%d].\n", i); + return status; + } + } + + /* If there is more than one inbound completion queue + * then download a RICB to configure RSS. + */ + if (qdev->rss_ring_count > 1) { + status = ql_start_rss(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to start RSS.\n"); + return status; + } + } + + /* Start up the tx queues. */ + for (i = 0; i < qdev->tx_ring_count; i++) { + status = ql_start_tx_ring(qdev, &qdev->tx_ring[i]); + if (status) { + QPRINTK(qdev, IFUP, ERR, + "Failed to start tx ring[%d].\n", i); + return status; + } + } + + status = ql_port_initialize(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to start port.\n"); + return status; + } + + status = ql_set_mac_addr_reg(qdev, (u8 *) qdev->ndev->perm_addr, + MAC_ADDR_TYPE_CAM_MAC, qdev->func); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to init mac address.\n"); + return status; + } + + status = ql_route_initialize(qdev); + if (status) { + QPRINTK(qdev, IFUP, ERR, "Failed to init routing table.\n"); + return status; + } + + /* Start NAPI for the RSS queues. */ + for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++) { + QPRINTK(qdev, IFUP, INFO, "Enabling NAPI for rx_ring[%d].\n", + i); + napi_enable(&qdev->rx_ring[i].napi); + } + + return status; +} + +/* Issue soft reset to chip. */ +static int ql_adapter_reset(struct ql_adapter *qdev) +{ + u32 value; + int max_wait_time; + int status = 0; + int resetCnt = 0; + +#define MAX_RESET_CNT 1 +issueReset: + resetCnt++; + QPRINTK(qdev, IFDOWN, DEBUG, "Issue soft reset to chip.\n"); + ql_write32(qdev, RST_FO, (RST_FO_FR << 16) | RST_FO_FR); + /* Wait for reset to complete. */ + max_wait_time = 3; + QPRINTK(qdev, IFDOWN, DEBUG, "Wait %d seconds for reset to complete.\n", + max_wait_time); + do { + value = ql_read32(qdev, RST_FO); + if ((value & RST_FO_FR) == 0) + break; + + ssleep(1); + } while ((--max_wait_time)); + if (value & RST_FO_FR) { + QPRINTK(qdev, IFDOWN, ERR, + "Stuck in SoftReset: FSC_SR:0x%08x\n", value); + if (resetCnt < MAX_RESET_CNT) + goto issueReset; + } + if (max_wait_time == 0) { + status = -ETIMEDOUT; + QPRINTK(qdev, IFDOWN, ERR, + "ETIMEOUT!!! errored out of resetting the chip!\n"); + } + + return status; +} + +static void ql_display_dev_info(struct net_device *ndev) +{ + struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev); + + QPRINTK(qdev, PROBE, INFO, + "Function #%d, NIC Roll %d, NIC Rev = %d, " + "XG Roll = %d, XG Rev = %d.\n", + qdev->func, + qdev->chip_rev_id & 0x0000000f, + qdev->chip_rev_id >> 4 & 0x0000000f, + qdev->chip_rev_id >> 8 & 0x0000000f, + qdev->chip_rev_id >> 12 & 0x0000000f); + QPRINTK(qdev, PROBE, INFO, + "MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", + ndev->dev_addr[0], ndev->dev_addr[1], + ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4], + ndev->dev_addr[5]); +} + +static int ql_adapter_down(struct ql_adapter *qdev) +{ + struct net_device *ndev = qdev->ndev; + int i, status = 0; + struct rx_ring *rx_ring; + + netif_stop_queue(ndev); + netif_carrier_off(ndev); + + cancel_delayed_work_sync(&qdev->asic_reset_work); + cancel_delayed_work_sync(&qdev->mpi_reset_work); + cancel_delayed_work_sync(&qdev->mpi_work); + + /* The default queue at index 0 is always processed in + * a workqueue. + */ + cancel_delayed_work_sync(&qdev->rx_ring[0].rx_work); + + /* The rest of the rx_rings are processed in + * a workqueue only if it's a single interrupt + * environment (MSI/Legacy). + */ + for (i = 1; i > qdev->rx_ring_count; i++) { + rx_ring = &qdev->rx_ring[i]; + /* Only the RSS rings use NAPI on multi irq + * environment. Outbound completion processing + * is done in interrupt context. + */ + if (i >= qdev->rss_ring_first_cq_id) { + napi_disable(&rx_ring->napi); + } else { + cancel_delayed_work_sync(&rx_ring->rx_work); + } + } + + clear_bit(QL_ADAPTER_UP, &qdev->flags); + + ql_disable_interrupts(qdev); + + ql_tx_ring_clean(qdev); + + spin_lock(&qdev->hw_lock); + status = ql_adapter_reset(qdev); + if (status) + QPRINTK(qdev, IFDOWN, ERR, "reset(func #%d) FAILED!\n", + qdev->func); + spin_unlock(&qdev->hw_lock); + return status; +} + +static int ql_adapter_up(struct ql_adapter *qdev) +{ + int err = 0; + + spin_lock(&qdev->hw_lock); + err = ql_adapter_initialize(qdev); + if (err) { + QPRINTK(qdev, IFUP, INFO, "Unable to initialize adapter.\n"); + spin_unlock(&qdev->hw_lock); + goto err_init; + } + spin_unlock(&qdev->hw_lock); + set_bit(QL_ADAPTER_UP, &qdev->flags); + ql_enable_interrupts(qdev); + ql_enable_all_completion_interrupts(qdev); + if ((ql_read32(qdev, STS) & qdev->port_init)) { + netif_carrier_on(qdev->ndev); + netif_start_queue(qdev->ndev); + } + + return 0; +err_init: + ql_adapter_reset(qdev); + return err; +} + +static int ql_cycle_adapter(struct ql_adapter *qdev) +{ + int status; + + status = ql_adapter_down(qdev); + if (status) + goto error; + + status = ql_adapter_up(qdev); + if (status) + goto error; + + return status; +error: + QPRINTK(qdev, IFUP, ALERT, + "Driver up/down cycle failed, closing device\n"); + rtnl_lock(); + dev_close(qdev->ndev); + rtnl_unlock(); + return status; +} + +static void ql_release_adapter_resources(struct ql_adapter *qdev) +{ + ql_free_mem_resources(qdev); + ql_free_irq(qdev); +} + +static int ql_get_adapter_resources(struct ql_adapter *qdev) +{ + int status = 0; + + if (ql_alloc_mem_resources(qdev)) { + QPRINTK(qdev, IFUP, ERR, "Unable to allocate memory.\n"); + return -ENOMEM; + } + status = ql_request_irq(qdev); + if (status) + goto err_irq; + return status; +err_irq: + ql_free_mem_resources(qdev); + return status; +} + +static int qlge_close(struct net_device *ndev) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + /* + * Wait for device to recover from a reset. + * (Rarely happens, but possible.) + */ + while (!test_bit(QL_ADAPTER_UP, &qdev->flags)) + msleep(1); + ql_adapter_down(qdev); + ql_release_adapter_resources(qdev); + ql_free_ring_cb(qdev); + return 0; +} + +static int ql_configure_rings(struct ql_adapter *qdev) +{ + int i; + struct rx_ring *rx_ring; + struct tx_ring *tx_ring; + int cpu_cnt = num_online_cpus(); + + /* + * For each processor present we allocate one + * rx_ring for outbound completions, and one + * rx_ring for inbound completions. Plus there is + * always the one default queue. For the CPU + * counts we end up with the following rx_rings: + * rx_ring count = + * one default queue + + * (CPU count * outbound completion rx_ring) + + * (CPU count * inbound (RSS) completion rx_ring) + * To keep it simple we limit the total number of + * queues to < 32, so we truncate CPU to 8. + * This limitation can be removed when requested. + */ + + if (cpu_cnt > 8) + cpu_cnt = 8; + + /* + * rx_ring[0] is always the default queue. + */ + /* Allocate outbound completion ring for each CPU. */ + qdev->tx_ring_count = cpu_cnt; + /* Allocate inbound completion (RSS) ring for each CPU. */ + qdev->rss_ring_count = cpu_cnt; + /* cq_id for the first inbound ring handler. */ + qdev->rss_ring_first_cq_id = cpu_cnt + 1; + /* + * qdev->rx_ring_count: + * Total number of rx_rings. This includes the one + * default queue, a number of outbound completion + * handler rx_rings, and the number of inbound + * completion handler rx_rings. + */ + qdev->rx_ring_count = qdev->tx_ring_count + qdev->rss_ring_count + 1; + + if (ql_alloc_ring_cb(qdev)) + return -ENOMEM; + + for (i = 0; i < qdev->tx_ring_count; i++) { + tx_ring = &qdev->tx_ring[i]; + memset((void *)tx_ring, 0, sizeof(tx_ring)); + tx_ring->qdev = qdev; + tx_ring->wq_id = i; + tx_ring->wq_len = qdev->tx_ring_size; + tx_ring->wq_size = + tx_ring->wq_len * sizeof(struct ob_mac_iocb_req); + + /* + * The completion queue ID for the tx rings start + * immediately after the default Q ID, which is zero. + */ + tx_ring->cq_id = i + 1; + } + + for (i = 0; i < qdev->rx_ring_count; i++) { + rx_ring = &qdev->rx_ring[i]; + memset((void *)rx_ring, 0, sizeof(rx_ring)); + rx_ring->qdev = qdev; + rx_ring->cq_id = i; + rx_ring->cpu = i % cpu_cnt; /* CPU to run handler on. */ + if (i == 0) { /* Default queue at index 0. */ + /* + * Default queue handles bcast/mcast plus + * async events. Needs buffers. + */ + rx_ring->cq_len = qdev->rx_ring_size; + rx_ring->cq_size = + rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); + rx_ring->lbq_len = NUM_LARGE_BUFFERS; + rx_ring->lbq_size = + rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; + rx_ring->sbq_len = NUM_SMALL_BUFFERS; + rx_ring->sbq_size = + rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; + rx_ring->type = DEFAULT_Q; + } else if (i < qdev->rss_ring_first_cq_id) { + /* + * Outbound queue handles outbound completions only. + */ + /* outbound cq is same size as tx_ring it services. */ + rx_ring->cq_len = qdev->tx_ring_size; + rx_ring->cq_size = + rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); + rx_ring->lbq_len = 0; + rx_ring->lbq_size = 0; + rx_ring->lbq_buf_size = 0; + rx_ring->sbq_len = 0; + rx_ring->sbq_size = 0; + rx_ring->sbq_buf_size = 0; + rx_ring->type = TX_Q; + } else { /* Inbound completions (RSS) queues */ + /* + * Inbound queues handle unicast frames only. + */ + rx_ring->cq_len = qdev->rx_ring_size; + rx_ring->cq_size = + rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); + rx_ring->lbq_len = NUM_LARGE_BUFFERS; + rx_ring->lbq_size = + rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; + rx_ring->sbq_len = NUM_SMALL_BUFFERS; + rx_ring->sbq_size = + rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; + rx_ring->type = RX_Q; + } + } + return 0; +} + +static int qlge_open(struct net_device *ndev) +{ + int err = 0; + struct ql_adapter *qdev = netdev_priv(ndev); + + err = ql_configure_rings(qdev); + if (err) + return err; + + err = ql_get_adapter_resources(qdev); + if (err) + goto error_up; + + err = ql_adapter_up(qdev); + if (err) + goto error_up; + + return err; + +error_up: + ql_release_adapter_resources(qdev); + ql_free_ring_cb(qdev); + return err; +} + +static int qlge_change_mtu(struct net_device *ndev, int new_mtu) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + + if (ndev->mtu == 1500 && new_mtu == 9000) { + QPRINTK(qdev, IFUP, ERR, "Changing to jumbo MTU.\n"); + } else if (ndev->mtu == 9000 && new_mtu == 1500) { + QPRINTK(qdev, IFUP, ERR, "Changing to normal MTU.\n"); + } else if ((ndev->mtu == 1500 && new_mtu == 1500) || + (ndev->mtu == 9000 && new_mtu == 9000)) { + return 0; + } else + return -EINVAL; + ndev->mtu = new_mtu; + return 0; +} + +static struct net_device_stats *qlge_get_stats(struct net_device + *ndev) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + return &qdev->stats; +} + +static void qlge_set_multicast_list(struct net_device *ndev) +{ + struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev); + struct dev_mc_list *mc_ptr; + int i; + + spin_lock(&qdev->hw_lock); + /* + * Set or clear promiscuous mode if a + * transition is taking place. + */ + if (ndev->flags & IFF_PROMISC) { + if (!test_bit(QL_PROMISCUOUS, &qdev->flags)) { + if (ql_set_routing_reg + (qdev, RT_IDX_PROMISCUOUS_SLOT, RT_IDX_VALID, 1)) { + QPRINTK(qdev, HW, ERR, + "Failed to set promiscous mode.\n"); + } else { + set_bit(QL_PROMISCUOUS, &qdev->flags); + } + } + } else { + if (test_bit(QL_PROMISCUOUS, &qdev->flags)) { + if (ql_set_routing_reg + (qdev, RT_IDX_PROMISCUOUS_SLOT, RT_IDX_VALID, 0)) { + QPRINTK(qdev, HW, ERR, + "Failed to clear promiscous mode.\n"); + } else { + clear_bit(QL_PROMISCUOUS, &qdev->flags); + } + } + } + + /* + * Set or clear all multicast mode if a + * transition is taking place. + */ + if ((ndev->flags & IFF_ALLMULTI) || + (ndev->mc_count > MAX_MULTICAST_ENTRIES)) { + if (!test_bit(QL_ALLMULTI, &qdev->flags)) { + if (ql_set_routing_reg + (qdev, RT_IDX_ALLMULTI_SLOT, RT_IDX_MCAST, 1)) { + QPRINTK(qdev, HW, ERR, + "Failed to set all-multi mode.\n"); + } else { + set_bit(QL_ALLMULTI, &qdev->flags); + } + } + } else { + if (test_bit(QL_ALLMULTI, &qdev->flags)) { + if (ql_set_routing_reg + (qdev, RT_IDX_ALLMULTI_SLOT, RT_IDX_MCAST, 0)) { + QPRINTK(qdev, HW, ERR, + "Failed to clear all-multi mode.\n"); + } else { + clear_bit(QL_ALLMULTI, &qdev->flags); + } + } + } + + if (ndev->mc_count) { + for (i = 0, mc_ptr = ndev->mc_list; mc_ptr; + i++, mc_ptr = mc_ptr->next) + if (ql_set_mac_addr_reg(qdev, (u8 *) mc_ptr->dmi_addr, + MAC_ADDR_TYPE_MULTI_MAC, i)) { + QPRINTK(qdev, HW, ERR, + "Failed to loadmulticast address.\n"); + goto exit; + } + if (ql_set_routing_reg + (qdev, RT_IDX_MCAST_MATCH_SLOT, RT_IDX_MCAST_MATCH, 1)) { + QPRINTK(qdev, HW, ERR, + "Failed to set multicast match mode.\n"); + } else { + set_bit(QL_ALLMULTI, &qdev->flags); + } + } +exit: + spin_unlock(&qdev->hw_lock); +} + +static int qlge_set_mac_address(struct net_device *ndev, void *p) +{ + struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev); + struct sockaddr *addr = p; + + if (netif_running(ndev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); + + spin_lock(&qdev->hw_lock); + if (ql_set_mac_addr_reg(qdev, (u8 *) ndev->dev_addr, + MAC_ADDR_TYPE_CAM_MAC, qdev->func)) {/* Unicast */ + QPRINTK(qdev, HW, ERR, "Failed to load MAC address.\n"); + return -1; + } + spin_unlock(&qdev->hw_lock); + + return 0; +} + +static void qlge_tx_timeout(struct net_device *ndev) +{ + struct ql_adapter *qdev = (struct ql_adapter *)netdev_priv(ndev); + queue_delayed_work(qdev->workqueue, &qdev->asic_reset_work, 0); +} + +static void ql_asic_reset_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, asic_reset_work.work); + ql_cycle_adapter(qdev); +} + +static void ql_get_board_info(struct ql_adapter *qdev) +{ + qdev->func = + (ql_read32(qdev, STS) & STS_FUNC_ID_MASK) >> STS_FUNC_ID_SHIFT; + if (qdev->func) { + qdev->xg_sem_mask = SEM_XGMAC1_MASK; + qdev->port_link_up = STS_PL1; + qdev->port_init = STS_PI1; + qdev->mailbox_in = PROC_ADDR_MPI_RISC | PROC_ADDR_FUNC2_MBI; + qdev->mailbox_out = PROC_ADDR_MPI_RISC | PROC_ADDR_FUNC2_MBO; + } else { + qdev->xg_sem_mask = SEM_XGMAC0_MASK; + qdev->port_link_up = STS_PL0; + qdev->port_init = STS_PI0; + qdev->mailbox_in = PROC_ADDR_MPI_RISC | PROC_ADDR_FUNC0_MBI; + qdev->mailbox_out = PROC_ADDR_MPI_RISC | PROC_ADDR_FUNC0_MBO; + } + qdev->chip_rev_id = ql_read32(qdev, REV_ID); +} + +static void ql_release_all(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + + if (qdev->workqueue) { + destroy_workqueue(qdev->workqueue); + qdev->workqueue = NULL; + } + if (qdev->q_workqueue) { + destroy_workqueue(qdev->q_workqueue); + qdev->q_workqueue = NULL; + } + if (qdev->reg_base) + iounmap((void *)qdev->reg_base); + if (qdev->doorbell_area) + iounmap(qdev->doorbell_area); + pci_release_regions(pdev); + pci_set_drvdata(pdev, NULL); +} + +static int __devinit ql_init_device(struct pci_dev *pdev, + struct net_device *ndev, int cards_found) +{ + struct ql_adapter *qdev = netdev_priv(ndev); + int pos, err = 0; + u16 val16; + + memset((void *)qdev, 0, sizeof(qdev)); + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "PCI device enable failed.\n"); + return err; + } + + pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (pos <= 0) { + dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, " + "aborting.\n"); + goto err_out; + } else { + pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16); + val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN; + val16 |= (PCI_EXP_DEVCTL_CERE | + PCI_EXP_DEVCTL_NFERE | + PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE); + pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16); + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + dev_err(&pdev->dev, "PCI region request failed.\n"); + goto err_out; + } + + pci_set_master(pdev); + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { + set_bit(QL_DMA64, &qdev->flags); + err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + } else { + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (!err) + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + } + + if (err) { + dev_err(&pdev->dev, "No usable DMA configuration.\n"); + goto err_out; + } + + pci_set_drvdata(pdev, ndev); + qdev->reg_base = + ioremap_nocache(pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1)); + if (!qdev->reg_base) { + dev_err(&pdev->dev, "Register mapping failed.\n"); + err = -ENOMEM; + goto err_out; + } + + qdev->doorbell_area_size = pci_resource_len(pdev, 3); + qdev->doorbell_area = + ioremap_nocache(pci_resource_start(pdev, 3), + pci_resource_len(pdev, 3)); + if (!qdev->doorbell_area) { + dev_err(&pdev->dev, "Doorbell register mapping failed.\n"); + err = -ENOMEM; + goto err_out; + } + + ql_get_board_info(qdev); + qdev->ndev = ndev; + qdev->pdev = pdev; + qdev->msg_enable = netif_msg_init(debug, default_msg); + spin_lock_init(&qdev->hw_lock); + spin_lock_init(&qdev->stats_lock); + + /* make sure the EEPROM is good */ + err = ql_get_flash_params(qdev); + if (err) { + dev_err(&pdev->dev, "Invalid FLASH.\n"); + goto err_out; + } + + if (!is_valid_ether_addr(qdev->flash.mac_addr)) + goto err_out; + + memcpy(ndev->dev_addr, qdev->flash.mac_addr, ndev->addr_len); + memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); + + /* Set up the default ring sizes. */ + qdev->tx_ring_size = NUM_TX_RING_ENTRIES; + qdev->rx_ring_size = NUM_RX_RING_ENTRIES; + + /* Set up the coalescing parameters. */ + qdev->rx_coalesce_usecs = DFLT_COALESCE_WAIT; + qdev->tx_coalesce_usecs = DFLT_COALESCE_WAIT; + qdev->rx_max_coalesced_frames = DFLT_INTER_FRAME_WAIT; + qdev->tx_max_coalesced_frames = DFLT_INTER_FRAME_WAIT; + + /* + * Set up the operating parameters. + */ + qdev->rx_csum = 1; + + qdev->q_workqueue = create_workqueue(ndev->name); + qdev->workqueue = create_singlethread_workqueue(ndev->name); + INIT_DELAYED_WORK(&qdev->asic_reset_work, ql_asic_reset_work); + INIT_DELAYED_WORK(&qdev->mpi_reset_work, ql_mpi_reset_work); + INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work); + + if (!cards_found) { + dev_info(&pdev->dev, "%s\n", DRV_STRING); + dev_info(&pdev->dev, "Driver name: %s, Version: %s.\n", + DRV_NAME, DRV_VERSION); + } + return 0; +err_out: + ql_release_all(pdev); + pci_disable_device(pdev); + return err; +} + +static int __devinit qlge_probe(struct pci_dev *pdev, + const struct pci_device_id *pci_entry) +{ + struct net_device *ndev = NULL; + struct ql_adapter *qdev = NULL; + static int cards_found = 0; + int err = 0; + + ndev = alloc_etherdev(sizeof(struct ql_adapter)); + if (!ndev) + return -ENOMEM; + + err = ql_init_device(pdev, ndev, cards_found); + if (err < 0) { + free_netdev(ndev); + return err; + } + + qdev = netdev_priv(ndev); + SET_NETDEV_DEV(ndev, &pdev->dev); + ndev->features = (0 + | NETIF_F_IP_CSUM + | NETIF_F_SG + | NETIF_F_TSO + | NETIF_F_TSO6 + | NETIF_F_TSO_ECN + | NETIF_F_HW_VLAN_TX + | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER); + + if (test_bit(QL_DMA64, &qdev->flags)) + ndev->features |= NETIF_F_HIGHDMA; + + /* + * Set up net_device structure. + */ + ndev->tx_queue_len = qdev->tx_ring_size; + ndev->irq = pdev->irq; + ndev->open = qlge_open; + ndev->stop = qlge_close; + ndev->hard_start_xmit = qlge_send; + SET_ETHTOOL_OPS(ndev, &qlge_ethtool_ops); + ndev->change_mtu = qlge_change_mtu; + ndev->get_stats = qlge_get_stats; + ndev->set_multicast_list = qlge_set_multicast_list; + ndev->set_mac_address = qlge_set_mac_address; + ndev->tx_timeout = qlge_tx_timeout; + ndev->watchdog_timeo = 10 * HZ; + ndev->vlan_rx_register = ql_vlan_rx_register; + ndev->vlan_rx_add_vid = ql_vlan_rx_add_vid; + ndev->vlan_rx_kill_vid = ql_vlan_rx_kill_vid; + err = register_netdev(ndev); + if (err) { + dev_err(&pdev->dev, "net device registration failed.\n"); + ql_release_all(pdev); + pci_disable_device(pdev); + return err; + } + netif_carrier_off(ndev); + netif_stop_queue(ndev); + ql_display_dev_info(ndev); + cards_found++; + return 0; +} + +static void __devexit qlge_remove(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + unregister_netdev(ndev); + ql_release_all(pdev); + pci_disable_device(pdev); + free_netdev(ndev); +} + +/* + * This callback is called by the PCI subsystem whenever + * a PCI bus error is detected. + */ +static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev, + enum pci_channel_state state) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + + if (netif_running(ndev)) + ql_adapter_down(qdev); + + pci_disable_device(pdev); + + /* Request a slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/* + * This callback is called after the PCI buss has been reset. + * Basically, this tries to restart the card from scratch. + * This is a shortened version of the device probe/discovery code, + * it resembles the first-half of the () routine. + */ +static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + + if (pci_enable_device(pdev)) { + QPRINTK(qdev, IFUP, ERR, + "Cannot re-enable PCI device after reset.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + + pci_set_master(pdev); + + netif_carrier_off(ndev); + netif_stop_queue(ndev); + ql_adapter_reset(qdev); + + /* Make sure the EEPROM is good */ + memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len); + + if (!is_valid_ether_addr(ndev->perm_addr)) { + QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + + return PCI_ERS_RESULT_RECOVERED; +} + +static void qlge_io_resume(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + + pci_set_master(pdev); + + if (netif_running(ndev)) { + if (ql_adapter_up(qdev)) { + QPRINTK(qdev, IFUP, ERR, + "Device initialization failed after reset.\n"); + return; + } + } + + netif_device_attach(ndev); +} + +static struct pci_error_handlers qlge_err_handler = { + .error_detected = qlge_io_error_detected, + .slot_reset = qlge_io_slot_reset, + .resume = qlge_io_resume, +}; + +static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + int err; + + netif_device_detach(ndev); + + if (netif_running(ndev)) { + err = ql_adapter_down(qdev); + if (!err) + return err; + } + + err = pci_save_state(pdev); + if (err) + return err; + + pci_disable_device(pdev); + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int qlge_resume(struct pci_dev *pdev) +{ + struct net_device *ndev = pci_get_drvdata(pdev); + struct ql_adapter *qdev = netdev_priv(ndev); + int err; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + err = pci_enable_device(pdev); + if (err) { + QPRINTK(qdev, IFUP, ERR, "Cannot enable PCI device from suspend\n"); + return err; + } + pci_set_master(pdev); + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + if (netif_running(ndev)) { + err = ql_adapter_up(qdev); + if (err) + return err; + } + + netif_device_attach(ndev); + + return 0; +} + +static void qlge_shutdown(struct pci_dev *pdev) +{ + qlge_suspend(pdev, PMSG_SUSPEND); +} + +static struct pci_driver qlge_driver = { + .name = DRV_NAME, + .id_table = qlge_pci_tbl, + .probe = qlge_probe, + .remove = __devexit_p(qlge_remove), +#ifdef CONFIG_PM + .suspend = qlge_suspend, + .resume = qlge_resume, +#endif + .shutdown = qlge_shutdown, + .err_handler = &qlge_err_handler +}; + +static int __init qlge_init_module(void) +{ + return pci_register_driver(&qlge_driver); +} + +static void __exit qlge_exit(void) +{ + pci_unregister_driver(&qlge_driver); +} + +module_init(qlge_init_module); +module_exit(qlge_exit); diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c new file mode 100644 index 000000000000..24fe344bcf1f --- /dev/null +++ b/drivers/net/qlge/qlge_mpi.c @@ -0,0 +1,150 @@ +#include "qlge.h" + +static int ql_read_mbox_reg(struct ql_adapter *qdev, u32 reg, u32 *data) +{ + int status; + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); + if (status) + goto exit; + /* set up for reg read */ + ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R); + /* wait for reg to come ready */ + status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); + if (status) + goto exit; + /* get the data */ + *data = ql_read32(qdev, PROC_DATA); +exit: + return status; +} + +int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + int i, status; + + status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK); + if (status) + return -EBUSY; + for (i = 0; i < mbcp->out_count; i++) { + status = + ql_read_mbox_reg(qdev, qdev->mailbox_out + i, + &mbcp->mbox_out[i]); + if (status) { + QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n"); + break; + } + } + ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */ + return status; +} + +static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 2; + + if (ql_get_mb_sts(qdev, mbcp)) + goto exit; + + qdev->link_status = mbcp->mbox_out[1]; + QPRINTK(qdev, DRV, ERR, "Link Up.\n"); + QPRINTK(qdev, DRV, INFO, "Link Status = 0x%.08x.\n", mbcp->mbox_out[1]); + if (!netif_carrier_ok(qdev->ndev)) { + QPRINTK(qdev, LINK, INFO, "Link is Up.\n"); + netif_carrier_on(qdev->ndev); + netif_wake_queue(qdev->ndev); + } +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 3; + + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n"); + goto exit; + } + + if (netif_carrier_ok(qdev->ndev)) { + QPRINTK(qdev, LINK, INFO, "Link is Down.\n"); + netif_carrier_off(qdev->ndev); + netif_stop_queue(qdev->ndev); + } + QPRINTK(qdev, DRV, ERR, "Link Down.\n"); + QPRINTK(qdev, DRV, ERR, "Link Status = 0x%.08x.\n", mbcp->mbox_out[1]); +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp) +{ + mbcp->out_count = 2; + + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n"); + goto exit; + } + QPRINTK(qdev, DRV, ERR, "Firmware initialized!\n"); + QPRINTK(qdev, DRV, ERR, "Firmware status = 0x%.08x.\n", + mbcp->mbox_out[0]); + QPRINTK(qdev, DRV, ERR, "Firmware Revision = 0x%.08x.\n", + mbcp->mbox_out[1]); +exit: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); +} + +void ql_mpi_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_work.work); + struct mbox_params mbc; + struct mbox_params *mbcp = &mbc; + mbcp->out_count = 1; + + while (ql_read32(qdev, STS) & STS_PI) { + if (ql_get_mb_sts(qdev, mbcp)) { + QPRINTK(qdev, DRV, ERR, + "Could not read MPI, resetting ASIC!\n"); + ql_queue_asic_error(qdev); + } + + switch (mbcp->mbox_out[0]) { + case AEN_LINK_UP: + ql_link_up(qdev, mbcp); + break; + case AEN_LINK_DOWN: + ql_link_down(qdev, mbcp); + break; + case AEN_FW_INIT_DONE: + ql_init_fw_done(qdev, mbcp); + break; + case MB_CMD_STS_GOOD: + break; + case AEN_FW_INIT_FAIL: + case AEN_SYS_ERR: + case MB_CMD_STS_ERR: + ql_queue_fw_error(qdev); + default: + /* Clear the MPI firmware status. */ + ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); + break; + } + } + ql_enable_completion_interrupt(qdev, 0); +} + +void ql_mpi_reset_work(struct work_struct *work) +{ + struct ql_adapter *qdev = + container_of(work, struct ql_adapter, mpi_reset_work.work); + QPRINTK(qdev, DRV, ERR, + "Enter, qdev = %p..\n", qdev); + ql_write32(qdev, CSR, CSR_CMD_SET_RST); + msleep(50); + ql_write32(qdev, CSR, CSR_CMD_CLR_RST); +} -- GitLab From 9c784f958d01097e3fae24ad75ab3a80ed1e556b Mon Sep 17 00:00:00 2001 From: Sergey Lapin Date: Sun, 3 Aug 2008 02:29:48 +0100 Subject: [PATCH 1881/6244] [ARM] 5210/2: AFEB9260: board support This patch adds support for AT91SAM9260-based board AFEB9260 which is a product from both Open Source design which runs Open Source software. Some commertial projects are made with this design. A board is basically AT91SAM9260-EK with some modifications and different peripherals and different parts used. Main purpose of this project is to gain experience in hardware design. More info: http://groups.google.com/group/arm9fpga-evolution-board (In Russian only, sorry). Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb By this patch only basic functionality is provided. Signed-off-by: Sergey Lapin Acked-by: Andrew Victor Signed-off-by: Russell King --- MAINTAINERS | 6 + arch/arm/configs/afeb9260_defconfig | 1259 ++++++++++++++++++++++++ arch/arm/mach-at91/Kconfig | 9 + arch/arm/mach-at91/Makefile | 1 + arch/arm/mach-at91/board-afeb-9260v1.c | 194 ++++ 5 files changed, 1469 insertions(+) create mode 100644 arch/arm/configs/afeb9260_defconfig create mode 100644 arch/arm/mach-at91/board-afeb-9260v1.c diff --git a/MAINTAINERS b/MAINTAINERS index 186be3ba5069..0cc08809e536 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -466,6 +466,12 @@ M: kernel@wantstofly.org L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained +ARM/AFEB9260 MACHINE SUPPORT +P: Sergey Lapin +M: slapin@ossfans.org +L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) +S: Maintained + ARM/AJECO 1ARM MACHINE SUPPORT P: Lennert Buytenhek M: kernel@wantstofly.org diff --git a/arch/arm/configs/afeb9260_defconfig b/arch/arm/configs/afeb9260_defconfig new file mode 100644 index 000000000000..ce84033e619a --- /dev/null +++ b/arch/arm/configs/afeb9260_defconfig @@ -0,0 +1,1259 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.27-rc2 +# Tue Aug 12 22:30:16 2008 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_SUPPORTS_AOUT=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +# CONFIG_GROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +CONFIG_NAMESPACES=y +# CONFIG_UTS_NS is not set +# CONFIG_IPC_NS is not set +# CONFIG_USER_NS is not set +# CONFIG_PID_NS is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +# CONFIG_EMBEDDED is not set +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set +# CONFIG_HAVE_IOREMAP_PROT is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set +# CONFIG_HAVE_DMA_ATTRS is not set +# CONFIG_USE_GENERIC_SMP_HELPERS is not set +CONFIG_HAVE_CLK=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_CLASSIC_RCU=y + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +CONFIG_ARCH_AT91=y +# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set +# CONFIG_ARCH_OMAP is not set +# CONFIG_ARCH_MSM7X00A is not set + +# +# Boot options +# + +# +# Power management +# + +# +# Atmel AT91 System-on-Chip +# +# CONFIG_ARCH_AT91RM9200 is not set +CONFIG_ARCH_AT91SAM9260=y +# CONFIG_ARCH_AT91SAM9261 is not set +# CONFIG_ARCH_AT91SAM9263 is not set +# CONFIG_ARCH_AT91SAM9RL is not set +# CONFIG_ARCH_AT91SAM9G20 is not set +# CONFIG_ARCH_AT91CAP9 is not set +# CONFIG_ARCH_AT91X40 is not set +CONFIG_AT91_PMC_UNIT=y + +# +# AT91SAM9260 Variants +# +# CONFIG_ARCH_AT91SAM9260_SAM9XE is not set + +# +# AT91SAM9260 / AT91SAM9XE Board Type +# +# CONFIG_MACH_AT91SAM9260EK is not set +# CONFIG_MACH_CAM60 is not set +# CONFIG_MACH_SAM9_L9260 is not set +CONFIG_MACH_AFEB9260=y +# CONFIG_MACH_USB_A9260 is not set +# CONFIG_MACH_QIL_A9260 is not set + +# +# AT91 Board Options +# + +# +# AT91 Feature Selections +# +CONFIG_AT91_PROGRAMMABLE_CLOCKS=y +CONFIG_AT91_TIMER_HZ=100 +CONFIG_AT91_EARLY_DBGU=y +# CONFIG_AT91_EARLY_USART0 is not set +# CONFIG_AT91_EARLY_USART1 is not set +# CONFIG_AT91_EARLY_USART2 is not set +# CONFIG_AT91_EARLY_USART3 is not set +# CONFIG_AT91_EARLY_USART4 is not set +# CONFIG_AT91_EARLY_USART5 is not set + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_ARM926T=y +CONFIG_CPU_32v5=y +CONFIG_CPU_ABRT_EV5TJ=y +CONFIG_CPU_PABRT_NOIFAR=y +CONFIG_CPU_CACHE_VIVT=y +CONFIG_CPU_COPY_V4WB=y +CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_WRITETHROUGH is not set +# CONFIG_CPU_CACHE_ROUND_ROBIN is not set +# CONFIG_OUTER_CACHE is not set + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_PREEMPT=y +CONFIG_HZ=100 +CONFIG_AEABI=y +CONFIG_OABI_COMPAT=y +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4096 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +# CONFIG_LEDS is not set +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw" +# CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +CONFIG_FPE_NWFPE=y +# CONFIG_FPE_NWFPE_XP is not set +# CONFIG_FPE_FASTFPE is not set +# CONFIG_VFP is not set + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_AOUT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +CONFIG_IP_PNP_BOOTP=y +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +CONFIG_MTD_DATAFLASH=y +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +CONFIG_MTD_NAND_ATMEL=y +# CONFIG_MTD_NAND_ATMEL_ECC_HW is not set +CONFIG_MTD_NAND_ATMEL_ECC_SOFT=y +# CONFIG_MTD_NAND_ATMEL_ECC_NONE is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=8192 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_ATMEL_PWM is not set +# CONFIG_ATMEL_TCLIB is not set +# CONFIG_EEPROM_93CX6 is not set +CONFIG_ATMEL_SSC=y +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_MACB is not set +# CONFIG_AX88796 is not set +# CONFIG_SMC91X is not set +# CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_B44 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_ATMEL=y +CONFIG_SERIAL_ATMEL_CONSOLE=y +CONFIG_SERIAL_ATMEL_PDC=y +# CONFIG_SERIAL_ATMEL_TTYAT is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y +CONFIG_I2C_ALGOBIT=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +CONFIG_I2C_GPIO=y +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +CONFIG_AT24=y +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +CONFIG_SPI_DEBUG=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_ATMEL=y +# CONFIG_SPI_BITBANG is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +CONFIG_SPI_SPIDEV=y +# CONFIG_SPI_TLE62X0 is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_NOWAYOUT=y + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +# CONFIG_SOUND is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +# CONFIG_USB_HID is not set + +# +# USB HID Boot Protocol drivers +# +# CONFIG_USB_KBD is not set +# CONFIG_USB_MOUSE is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_DPCM is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set +CONFIG_USB_MON=y + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +CONFIG_USB_GADGET=y +# CONFIG_USB_GADGET_DEBUG is not set +# CONFIG_USB_GADGET_DEBUG_FILES is not set +CONFIG_USB_GADGET_SELECTED=y +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_PXA25X is not set +# CONFIG_USB_GADGET_M66592 is not set +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_S3C2410 is not set +CONFIG_USB_GADGET_AT91=y +CONFIG_USB_AT91=y +# CONFIG_USB_GADGET_DUMMY_HCD is not set +# CONFIG_USB_GADGET_DUALSPEED is not set +CONFIG_USB_ZERO=m +# CONFIG_USB_ETH is not set +CONFIG_USB_GADGETFS=m +CONFIG_USB_FILE_STORAGE=m +# CONFIG_USB_FILE_STORAGE_TEST is not set +CONFIG_USB_G_SERIAL=m +# CONFIG_USB_MIDI_GADGET is not set +# CONFIG_USB_G_PRINTER is not set +# CONFIG_USB_CDC_COMPOSITE is not set +# CONFIG_MMC is not set +# CONFIG_NEW_LEDS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +CONFIG_RTC_DEBUG=y + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +CONFIG_RTC_DRV_FM3130=y + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_RTC_DRV_AT91SAM9 is not set +# CONFIG_DMADEVICES is not set + +# +# Voltage and Current regulators +# +# CONFIG_REGULATOR is not set +# CONFIG_REGULATOR_FIXED_VOLTAGE is not set +# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +# CONFIG_MSDOS_FS is not set +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +CONFIG_NLS_CODEPAGE_850=y +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +CONFIG_DEBUG_MEMORY_INIT=y +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +CONFIG_FRAME_POINTER=y +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +CONFIG_HAVE_FTRACE=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +# CONFIG_FTRACE is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_PREEMPT_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +CONFIG_DEBUG_USER=y +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_STACK_USAGE is not set +CONFIG_DEBUG_LL=y +# CONFIG_DEBUG_ICEDCC is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_CRYPTO is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +# CONFIG_GENERIC_FIND_NEXT_BIT is not set +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC_T10DIF=y +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index a048b92cb407..68537e37387f 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -175,6 +175,15 @@ config MACH_SAM9_L9260 Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260. +config MACH_AFEB9260 + bool "Custom afeb9260 board v1" + depends on ARCH_AT91SAM9260 + help + Select this if you are using custom afeb9260 board based on + open hardware design. Select this for revision 1 of the board. + + + config MACH_USB_A9260 bool "CALAO USB-A9260" depends on ARCH_AT91SAM9260 diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 7d641f97516b..a95c49bdf927 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_MACH_CAM60) += board-cam60.o obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o +obj-$(CONFIG_MACH_AFEB9260) += board-afeb-9260v1.o # AT91SAM9261 board-specific support obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c new file mode 100644 index 000000000000..8778b8e08549 --- /dev/null +++ b/arch/arm/mach-at91/board-afeb-9260v1.c @@ -0,0 +1,194 @@ +/* + * linux/arch/arm/mach-at91/board-afeb-9260v1.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * Copyright (C) 2008 Sergey Lapin + * + * A custom board designed as open hardware; PCBs and various information + * is available at http://groups.google.com/group/arm9fpga-evolution-board/ + * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include + +#include "generic.h" + + +static void __init afeb9260_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91sam9260_initialize(18432000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, + ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR + | ATMEL_UART_DCD | ATMEL_UART_RI); + + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, + ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init afeb9260_init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata afeb9260_usbh_data = { + .ports = 1, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata afeb9260_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + + + +/* + * SPI devices. + */ +static struct spi_board_info afeb9260_spi_devices[] = { + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 1, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, +}; + + + +/* + * NAND flash + */ +static struct mtd_partition __initdata afeb9260_nand_partition[] = { + { + .name = "bootloader", + .offset = 0, + .size = (640 * SZ_1K), + }, + { + .name = "kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = SZ_2M, + }, + { + .name = "rootfs", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(afeb9260_nand_partition); + return afeb9260_nand_partition; +} + +static struct atmel_nand_data __initdata afeb9260_nand_data = { + .ale = 21, + .cle = 22, + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .partition_info = nand_partitions, + .bus_width_16 = 0, +}; + + +/* + * MCI (SD/MMC) + */ +static struct at91_mmc_data __initdata afeb9260_mmc_data = { + .slot_b = 1, + .wire4 = 1, +}; + + + +static struct i2c_board_info __initdata afeb9260_i2c_devices[] = { + { + I2C_BOARD_INFO("fm3130", 0x68), + I2C_BOARD_INFO("24c64", 0x50), + }, +}; + +static void __init afeb9260_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&afeb9260_usbh_data); + /* USB Device */ + at91_add_device_udc(&afeb9260_udc_data); + /* SPI */ + at91_add_device_spi(afeb9260_spi_devices, + ARRAY_SIZE(afeb9260_spi_devices)); + /* NAND */ + at91_add_device_nand(&afeb9260_nand_data); + /* MMC */ + at91_add_device_mmc(0, &afeb9260_mmc_data); + /* I2C */ + at91_add_device_i2c(afeb9260_i2c_devices, + ARRAY_SIZE(afeb9260_i2c_devices)); +} + +MACHINE_START(AFEB9260, "Custom afeb9260 board") + /* Maintainer: Sergey Lapin */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = afeb9260_map_io, + .init_irq = afeb9260_init_irq, + .init_machine = afeb9260_board_init, +MACHINE_END + -- GitLab From 53d4351f5868c7d3faa9507608c324ff7d7c186c Mon Sep 17 00:00:00 2001 From: Sergey Lapin Date: Tue, 12 Aug 2008 13:35:34 +0100 Subject: [PATCH 1882/6244] [ARM] 5219/2: MACB ethernet support for AFEB9260 MACB ethernet support for AFEB9260 Depends on 5210/2 Acked-by: Andrew Victor Signed-off-by: Sergey Lapin Signed-off-by: Russell King --- arch/arm/configs/afeb9260_defconfig | 2 +- arch/arm/mach-at91/board-afeb-9260v1.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/arm/configs/afeb9260_defconfig b/arch/arm/configs/afeb9260_defconfig index ce84033e619a..ce909586a34f 100644 --- a/arch/arm/configs/afeb9260_defconfig +++ b/arch/arm/configs/afeb9260_defconfig @@ -581,7 +581,7 @@ CONFIG_PHYLIB=y # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=y -# CONFIG_MACB is not set +CONFIG_MACB=y # CONFIG_AX88796 is not set # CONFIG_SMC91X is not set # CONFIG_DM9000 is not set diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c index 8778b8e08549..9c040c78889a 100644 --- a/arch/arm/mach-at91/board-afeb-9260v1.c +++ b/arch/arm/mach-at91/board-afeb-9260v1.c @@ -106,6 +106,14 @@ static struct spi_board_info afeb9260_spi_devices[] = { }; +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata afeb9260_macb_data = { + .phy_irq_pin = AT91_PIN_PA9, + .is_rmii = 0, +}; + /* * NAND flash @@ -174,6 +182,14 @@ static void __init afeb9260_board_init(void) ARRAY_SIZE(afeb9260_spi_devices)); /* NAND */ at91_add_device_nand(&afeb9260_nand_data); + /* Ethernet */ + at91_add_device_eth(&afeb9260_macb_data); + + /* Standard function's pin assignments are not + * appropriate for us and generic code provide + * no API to configure these pins any other way */ + at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */ + at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */ /* MMC */ at91_add_device_mmc(0, &afeb9260_mmc_data); /* I2C */ -- GitLab From fbd03a1cbc04833a952b0d603df96e4800445979 Mon Sep 17 00:00:00 2001 From: Guillaume GARDET Date: Fri, 29 Aug 2008 10:11:24 +0100 Subject: [PATCH 1883/6244] [ARM] 5228/1: Add the RGB555 wiring for the atmel LCD Add the RGB555 wiring for the atmel LCD. Acked-by: Nicolas Ferre Acked-by: Haavard Skinnemoen Signed-off-by: Guillaume GARDET Signed-off-by: Russell King --- drivers/video/atmel_lcdfb.c | 4 ++++ include/video/atmel_lcdc.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 5a24c6411d34..cedfd01c9833 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -378,6 +378,10 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->red.offset = 11; var->blue.offset = 0; var->green.length = 6; + } else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) { + var->red.offset = 10; + var->blue.offset = 0; + var->green.length = 5; } else { /* BGR:555 mode */ var->red.offset = 0; diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h index 920c4e9cb93d..6ad87f485992 100644 --- a/include/video/atmel_lcdc.h +++ b/include/video/atmel_lcdc.h @@ -30,6 +30,7 @@ */ #define ATMEL_LCDC_WIRING_BGR 0 #define ATMEL_LCDC_WIRING_RGB 1 +#define ATMEL_LCDC_WIRING_RGB555 2 /* LCD Controller info data structure, stored in device platform_data */ -- GitLab From a745a622434d9c3ff6505125b37fd6828ecadb87 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Fri, 5 Sep 2008 00:34:50 +0100 Subject: [PATCH 1884/6244] [ARM] 5240/1: AT91: eeproms on sam9260ek, sam9263ek The at91sam9260 and at91sam9263 EK boards have 64 KiB I2C EEPROMs. This patch declares them in the board init code so the new at24 driver will use them. Signed-off-by: David Brownell Acked-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-at91/board-sam9260ek.c | 20 +++++++++++++++++++- arch/arm/mach-at91/board-sam9263ek.c | 21 ++++++++++++++++++++- 2 files changed, 39 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index cb20e70b3b06..0a53c038b518 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -222,6 +223,23 @@ static struct gpio_led ek_leds[] = { } }; +/* + * I2C devices + */ +static struct at24_platform_data at24c512 = { + .byte_len = SZ_512K / 8, + .page_size = 128, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("24c512", 0x50), + .platform_data = &at24c512, + }, + /* more devices can be added using expansion connectors */ +}; + static void __init ek_board_init(void) { /* Serial */ @@ -239,7 +257,7 @@ static void __init ek_board_init(void) /* MMC */ at91_add_device_mmc(0, &ek_mmc_data); /* I2C */ - at91_add_device_i2c(NULL, 0); + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); /* SSC (to AT73C213) */ at73c213_set_clk(&at73c213_data); at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c index b1d11960a735..c51f2eb3874b 100644 --- a/arch/arm/mach-at91/board-sam9263ek.c +++ b/arch/arm/mach-at91/board-sam9263ek.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -202,6 +203,24 @@ static struct atmel_nand_data __initdata ek_nand_data = { }; +/* + * I2C devices + */ +static struct at24_platform_data at24c512 = { + .byte_len = SZ_512K / 8, + .page_size = 128, + .flags = AT24_FLAG_ADDR16, +}; + + +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("24c512", 0x50), + .platform_data = &at24c512, + }, + /* more devices can be added using expansion connectors */ +}; + /* * LCD Controller */ @@ -360,7 +379,7 @@ static void __init ek_board_init(void) /* NAND */ at91_add_device_nand(&ek_nand_data); /* I2C */ - at91_add_device_i2c(NULL, 0); + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); /* LCD Controller */ at91_add_device_lcdc(&ek_lcdc_data); /* Push Buttons */ -- GitLab From 33a7f122740bd820a029faf450a9a0caa9458426 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Thu, 18 Sep 2008 17:50:42 -0500 Subject: [PATCH 1885/6244] powerpc: Fix build warnings introduced by PMC support on 32-bit arch/powerpc/kernel/sysfs.c:197:7: warning: "CONFIG_6xx" is not defined arch/powerpc/kernel/sysfs.c:141: warning: 'run_on_cpu' defined but not used Signed-off-by: Kumar Gala --- arch/powerpc/kernel/sysfs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index ef2ad92a417f..86a2ffccef25 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -134,6 +134,7 @@ void ppc_enable_pmcs(void) } EXPORT_SYMBOL(ppc_enable_pmcs); +#if defined(CONFIG_6xx) || defined(CONFIG_PPC64) /* XXX convert to rusty's on_one_cpu */ static unsigned long run_on_cpu(unsigned long cpu, unsigned long (*func)(unsigned long), @@ -152,6 +153,7 @@ static unsigned long run_on_cpu(unsigned long cpu, return ret; } +#endif #define SYSFS_PMCSETUP(NAME, ADDRESS) \ static unsigned long read_##NAME(unsigned long junk) \ @@ -190,11 +192,11 @@ static ssize_t __used \ * that are implemented on the current processor */ -#ifdef CONFIG_PPC64 +#if defined(CONFIG_PPC64) #define HAS_PPC_PMC_CLASSIC 1 #define HAS_PPC_PMC_IBM 1 #define HAS_PPC_PMC_PA6T 1 -#elif CONFIG_6xx +#elif defined(CONFIG_6xx) #define HAS_PPC_PMC_CLASSIC 1 #define HAS_PPC_PMC_IBM 1 #define HAS_PPC_PMC_G4 1 -- GitLab From 344478db5385194ec27f6aaf780ea21c4b4ff02c Mon Sep 17 00:00:00 2001 From: Benjamin Li Date: Thu, 18 Sep 2008 16:38:24 -0700 Subject: [PATCH 1886/6244] bnx2: In bnx2_set_mac_link() return void rather then int bnx2_set_mac_link() doesn't need to return any error codes. And all the callers don't check the return code. It is safe to change the return type to a void. Signed-off-by: Benjamin Li Signed-off-by: Michael Chan Acked-by: Jeff Garzik Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 2486a656f12d..192a24ee3e66 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -1127,7 +1127,7 @@ bnx2_init_all_rx_contexts(struct bnx2 *bp) } } -static int +static void bnx2_set_mac_link(struct bnx2 *bp) { u32 val; @@ -1193,8 +1193,6 @@ bnx2_set_mac_link(struct bnx2 *bp) if (CHIP_NUM(bp) == CHIP_NUM_5709) bnx2_init_all_rx_contexts(bp); - - return 0; } static void -- GitLab From 453a9c6e995149c4a43e50b5482a48ed0298b0dc Mon Sep 17 00:00:00 2001 From: Benjamin Li Date: Thu, 18 Sep 2008 16:39:16 -0700 Subject: [PATCH 1887/6244] bnx2: Update MODULE_DESCRIPTION to include the 5716 Signed-off-by: Benjamin Li Signed-off-by: Michael Chan Acked-by: Jeff Garzik Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 192a24ee3e66..a78b664cd443 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -69,7 +69,7 @@ static char version[] __devinitdata = "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("Michael Chan "); -MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 Driver"); +MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/5716 Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); -- GitLab From fbbf68b7f88953a9c56b7a7b4019fa5212987b34 Mon Sep 17 00:00:00 2001 From: Benjamin Li Date: Thu, 18 Sep 2008 16:40:03 -0700 Subject: [PATCH 1888/6244] bnx2: Remove name field from bnx2 structure The name of the board is only used during the initialization of the adapter. We can save the space of a pointer by not storing this information. Signed-off-by: Benjamin Li Signed-off-by: Michael Chan Acked-by: Jeff Garzik Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 3 +-- drivers/net/bnx2.h | 2 -- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index a78b664cd443..84177663291e 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -7718,7 +7718,6 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) memcpy(dev->dev_addr, bp->mac_addr, 6); memcpy(dev->perm_addr, bp->mac_addr, 6); - bp->name = board_info[ent->driver_data].name; dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; if (CHIP_NUM(bp) == CHIP_NUM_5709) @@ -7745,7 +7744,7 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, " "IRQ %d, node addr %s\n", dev->name, - bp->name, + board_info[ent->driver_data].name, ((CHIP_ID(bp) & 0xf000) >> 12) + 'A', ((CHIP_ID(bp) & 0x0ff0) >> 4), bnx2_bus_string(bp, str), diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index c3c579f98ed0..cb47c98ddd71 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6701,8 +6701,6 @@ struct bnx2 { /* End of fields used in the performance code paths. */ - char *name; - int timer_interval; int current_interval; struct timer_list timer; -- GitLab From ac392abce936d78f7b731d90bfbc1001ddb446ea Mon Sep 17 00:00:00 2001 From: Benjamin Li Date: Thu, 18 Sep 2008 16:40:49 -0700 Subject: [PATCH 1889/6244] bnx2: Remove timer_interval field from the bnx2 structure The timer_interval field is only assigned once, and never reassigned. We can safely replace all instances of the timer_interval with a constant value. Signed-off-by: Benjamin Li Signed-off-by: Michael Chan Acked-by: Jeff Garzik Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 13 ++++++------- drivers/net/bnx2.h | 3 ++- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 84177663291e..883e0a724107 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -5598,7 +5598,7 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) } else if ((bp->link_up == 0) && (bp->autoneg & AUTONEG_SPEED)) { u32 bmcr; - bp->current_interval = bp->timer_interval; + bp->current_interval = BNX2_TIMER_INTERVAL; bnx2_read_phy(bp, bp->mii_bmcr, &bmcr); @@ -5627,7 +5627,7 @@ bnx2_5706_serdes_timer(struct bnx2 *bp) bp->phy_flags &= ~BNX2_PHY_FLAG_PARALLEL_DETECT; } } else - bp->current_interval = bp->timer_interval; + bp->current_interval = BNX2_TIMER_INTERVAL; if (check_link) { u32 val; @@ -5672,11 +5672,11 @@ bnx2_5708_serdes_timer(struct bnx2 *bp) } else { bnx2_disable_forced_2g5(bp); bp->serdes_an_pending = 2; - bp->current_interval = bp->timer_interval; + bp->current_interval = BNX2_TIMER_INTERVAL; } } else - bp->current_interval = bp->timer_interval; + bp->current_interval = BNX2_TIMER_INTERVAL; spin_unlock(&bp->phy_lock); } @@ -7514,8 +7514,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->stats_ticks = USEC_PER_SEC & BNX2_HC_STATS_TICKS_HC_STAT_TICKS; - bp->timer_interval = HZ; - bp->current_interval = HZ; + bp->current_interval = BNX2_TIMER_INTERVAL; bp->phy_addr = 1; @@ -7605,7 +7604,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->req_flow_ctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; init_timer(&bp->timer); - bp->timer.expires = RUN_AT(bp->timer_interval); + bp->timer.expires = RUN_AT(BNX2_TIMER_INTERVAL); bp->timer.data = (unsigned long) bp; bp->timer.function = bnx2_timer; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index cb47c98ddd71..682b8f077529 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6654,6 +6654,8 @@ struct bnx2_napi { struct bnx2_tx_ring_info tx_ring; }; +#define BNX2_TIMER_INTERVAL HZ + struct bnx2 { /* Fields used in the tx and intr/napi performance paths are grouped */ /* together in the beginning of the structure. */ @@ -6701,7 +6703,6 @@ struct bnx2 { /* End of fields used in the performance code paths. */ - int timer_interval; int current_interval; struct timer_list timer; struct work_struct reset_task; -- GitLab From 821c92f258bd9b01eb900992969803645b6ba9d6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Thu, 18 Sep 2008 16:44:31 -0700 Subject: [PATCH 1890/6244] ISDN sockets: add missing lockdep strings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rémi Denis-Courmont Signed-off-by: David S. Miller --- net/core/sock.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/core/sock.c b/net/core/sock.c index 91f8bbc93526..23b8b9da36b3 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -154,7 +154,7 @@ static const char *af_family_key_strings[AF_MAX+1] = { "sk_lock-AF_PPPOX" , "sk_lock-AF_WANPIPE" , "sk_lock-AF_LLC" , "sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" , "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" , - "sk_lock-AF_RXRPC" , "sk_lock-AF_MAX" + "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_MAX" }; static const char *af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" , @@ -168,7 +168,7 @@ static const char *af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_PPPOX" , "slock-AF_WANPIPE" , "slock-AF_LLC" , "slock-27" , "slock-28" , "slock-AF_CAN" , "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" , - "slock-AF_RXRPC" , "slock-AF_MAX" + "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_MAX" }; static const char *af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" , @@ -182,7 +182,7 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" , "clock-27" , "clock-28" , "clock-AF_CAN" , "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , - "clock-AF_RXRPC" , "clock-AF_MAX" + "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_MAX" }; #endif -- GitLab From 170e7108a368c52df1ec466966fd1db6e45a7ad2 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Fri, 19 Sep 2008 02:58:50 +0200 Subject: [PATCH 1891/6244] mv643xx_eth: fix receive checksumming We have to explicitly tell the hardware to include the pseudo-header when doing receive checksumming, otherwise hardware checksumming will fail for every received packet and we'll end up setting CHECKSUM_NONE on every received packet. While we're at it, when skb->ip_summed is set to CHECKSUM_UNNECESSARY on received packets, skb->csum is supposed to be undefined, and thus there is no need to set it. Signed-off-by: Lennert Buytenhek --- drivers/net/mv643xx_eth.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 408827de7d3e..94c13be292a3 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -546,11 +546,8 @@ static int rxq_process(struct rx_queue *rxq, int budget) */ skb_put(skb, byte_cnt - 2 - 4); - if (cmd_sts & LAYER_4_CHECKSUM_OK) { + if (cmd_sts & LAYER_4_CHECKSUM_OK) skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->csum = htons( - (cmd_sts & 0x0007fff8) >> 3); - } skb->protocol = eth_type_trans(skb, mp->dev); netif_receive_skb(skb); } @@ -1994,9 +1991,10 @@ static void port_start(struct mv643xx_eth_private *mp) /* * Receive all unmatched unicast, TCP, UDP, BPDU and broadcast - * frames to RX queue #0. + * frames to RX queue #0, and include the pseudo-header when + * calculating receive checksums. */ - wrl(mp, PORT_CONFIG(mp->port_num), 0x00000000); + wrl(mp, PORT_CONFIG(mp->port_num), 0x02000000); /* * Treat BPDUs as normal multicasts, and disable partition mode. -- GitLab From 4df89bd5a5fc33860f15f5f001a78f2b3f150725 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Fri, 19 Sep 2008 04:05:00 +0200 Subject: [PATCH 1892/6244] mv643xx_eth: deal with unexpected ethernet header sizes When the IP header doesn't start 14, 18, 22 or 26 bytes into the packet (which are the only four cases that the hardware can deal with if asked to do IP checksumming on transmit), invoke the software checksum helper instead of letting the packet go out with a corrupt checksum inserted into the packet in the wrong place. Signed-off-by: Lennert Buytenhek --- drivers/net/mv643xx_eth.c | 95 +++++++++++++++++++-------------------- 1 file changed, 47 insertions(+), 48 deletions(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 94c13be292a3..9522c449ccea 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -699,79 +699,74 @@ static inline __be16 sum16_as_be(__sum16 sum) return (__force __be16)sum; } -static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) +static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) { struct mv643xx_eth_private *mp = txq_to_mp(txq); int nr_frags = skb_shinfo(skb)->nr_frags; int tx_index; struct tx_desc *desc; u32 cmd_sts; + u16 l4i_chk; int length; cmd_sts = TX_FIRST_DESC | GEN_CRC | BUFFER_OWNED_BY_DMA; - - tx_index = txq_alloc_desc_index(txq); - desc = &txq->tx_desc_area[tx_index]; - - if (nr_frags) { - txq_submit_frag_skb(txq, skb); - length = skb_headlen(skb); - } else { - cmd_sts |= ZERO_PADDING | TX_LAST_DESC | TX_ENABLE_INTERRUPT; - length = skb->len; - } - - desc->byte_cnt = length; - desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); + l4i_chk = 0; if (skb->ip_summed == CHECKSUM_PARTIAL) { - int mac_hdr_len; + int tag_bytes; BUG_ON(skb->protocol != htons(ETH_P_IP) && skb->protocol != htons(ETH_P_8021Q)); - cmd_sts |= GEN_TCP_UDP_CHECKSUM | - GEN_IP_V4_CHECKSUM | - ip_hdr(skb)->ihl << TX_IHL_SHIFT; + tag_bytes = (void *)ip_hdr(skb) - (void *)skb->data - ETH_HLEN; + if (unlikely(tag_bytes & ~12)) { + if (skb_checksum_help(skb) == 0) + goto no_csum; + kfree_skb(skb); + return 1; + } - mac_hdr_len = (void *)ip_hdr(skb) - (void *)skb->data; - switch (mac_hdr_len - ETH_HLEN) { - case 0: - break; - case 4: - cmd_sts |= MAC_HDR_EXTRA_4_BYTES; - break; - case 8: - cmd_sts |= MAC_HDR_EXTRA_8_BYTES; - break; - case 12: + if (tag_bytes & 4) cmd_sts |= MAC_HDR_EXTRA_4_BYTES; + if (tag_bytes & 8) cmd_sts |= MAC_HDR_EXTRA_8_BYTES; - break; - default: - if (net_ratelimit()) - dev_printk(KERN_ERR, &txq_to_mp(txq)->dev->dev, - "mac header length is %d?!\n", mac_hdr_len); - break; - } + + cmd_sts |= GEN_TCP_UDP_CHECKSUM | + GEN_IP_V4_CHECKSUM | + ip_hdr(skb)->ihl << TX_IHL_SHIFT; switch (ip_hdr(skb)->protocol) { case IPPROTO_UDP: cmd_sts |= UDP_FRAME; - desc->l4i_chk = ntohs(sum16_as_be(udp_hdr(skb)->check)); + l4i_chk = ntohs(sum16_as_be(udp_hdr(skb)->check)); break; case IPPROTO_TCP: - desc->l4i_chk = ntohs(sum16_as_be(tcp_hdr(skb)->check)); + l4i_chk = ntohs(sum16_as_be(tcp_hdr(skb)->check)); break; default: BUG(); } } else { +no_csum: /* Errata BTS #50, IHL must be 5 if no HW checksum */ cmd_sts |= 5 << TX_IHL_SHIFT; - desc->l4i_chk = 0; } + tx_index = txq_alloc_desc_index(txq); + desc = &txq->tx_desc_area[tx_index]; + + if (nr_frags) { + txq_submit_frag_skb(txq, skb); + length = skb_headlen(skb); + } else { + cmd_sts |= ZERO_PADDING | TX_LAST_DESC | TX_ENABLE_INTERRUPT; + length = skb->len; + } + + desc->l4i_chk = l4i_chk; + desc->byte_cnt = length; + desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); + __skb_queue_tail(&txq->tx_skb, skb); /* ensure all other descriptors are written before first cmd_sts */ @@ -786,6 +781,8 @@ static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) txq_enable(txq); txq->tx_desc_count += nr_frags + 1; + + return 0; } static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) @@ -794,7 +791,6 @@ static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) int queue; struct tx_queue *txq; struct netdev_queue *nq; - int entries_left; queue = skb_get_queue_mapping(skb); txq = mp->txq + queue; @@ -815,14 +811,17 @@ static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } - txq_submit_skb(txq, skb); - txq->tx_bytes += skb->len; - txq->tx_packets++; - dev->trans_start = jiffies; + if (!txq_submit_skb(txq, skb)) { + int entries_left; + + txq->tx_bytes += skb->len; + txq->tx_packets++; + dev->trans_start = jiffies; - entries_left = txq->tx_ring_size - txq->tx_desc_count; - if (entries_left < MAX_SKB_FRAGS + 1) - netif_tx_stop_queue(nq); + entries_left = txq->tx_ring_size - txq->tx_desc_count; + if (entries_left < MAX_SKB_FRAGS + 1) + netif_tx_stop_queue(nq); + } return NETDEV_TX_OK; } -- GitLab From 4ff3495a51c7226376d8013c5742d1d5e54876a7 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Fri, 19 Sep 2008 05:04:57 +0200 Subject: [PATCH 1893/6244] mv643xx_eth: enforce frequent hardware statistics polling If we don't poll the hardware statistics counters at least once every ~34 seconds, overflow might occur without us noticing. So, set up a timer to poll the statistics counters at least once every 30 seconds. Signed-off-by: Lennert Buytenhek --- drivers/net/mv643xx_eth.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9522c449ccea..d0ecc440aac2 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -356,7 +356,10 @@ struct mv643xx_eth_private { int phy_addr; + struct timer_list mib_counters_timer; + spinlock_t mib_counters_lock; struct mib_counters mib_counters; + struct work_struct tx_timeout_task; struct mii_if_info mii; @@ -1176,6 +1179,7 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) { struct mib_counters *p = &mp->mib_counters; + spin_lock(&mp->mib_counters_lock); p->good_octets_received += mib_read(mp, 0x00); p->good_octets_received += (u64)mib_read(mp, 0x04) << 32; p->bad_octets_received += mib_read(mp, 0x08); @@ -1208,6 +1212,16 @@ static void mib_counters_update(struct mv643xx_eth_private *mp) p->bad_crc_event += mib_read(mp, 0x74); p->collision += mib_read(mp, 0x78); p->late_collision += mib_read(mp, 0x7c); + spin_unlock(&mp->mib_counters_lock); + + mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ); +} + +static void mib_counters_timer_wrapper(unsigned long _mp) +{ + struct mv643xx_eth_private *mp = (void *)_mp; + + mib_counters_update(mp); } @@ -2148,6 +2162,8 @@ static int mv643xx_eth_stop(struct net_device *dev) wrl(mp, INT_MASK(mp->port_num), 0x00000000); rdl(mp, INT_MASK(mp->port_num)); + del_timer_sync(&mp->mib_counters_timer); + napi_disable(&mp->napi); del_timer_sync(&mp->rx_oom); @@ -2625,6 +2641,19 @@ static int mv643xx_eth_probe(struct platform_device *pdev) } init_pscr(mp, pd->speed, pd->duplex); + + mib_counters_clear(mp); + + init_timer(&mp->mib_counters_timer); + mp->mib_counters_timer.data = (unsigned long)mp; + mp->mib_counters_timer.function = mib_counters_timer_wrapper; + mp->mib_counters_timer.expires = jiffies + 30 * HZ; + add_timer(&mp->mib_counters_timer); + + spin_lock_init(&mp->mib_counters_lock); + + INIT_WORK(&mp->tx_timeout_task, tx_timeout_task); + netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, 128); init_timer(&mp->rx_oom); -- GitLab From 4fd5f812c23c7deee6425f4a318e85c317cd1d6c Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Tue, 26 Aug 2008 13:08:46 +0200 Subject: [PATCH 1894/6244] phylib: allow incremental scanning of an mii bus This patch splits the bus scanning code in mdiobus_register() off into a separate function, and makes this function available for calling from external code. This allows incrementally scanning an mii bus, e.g. as information about which addresses are 'safe' to scan becomes available. Signed-off-by: Lennert Buytenhek Acked-by: Andy Fleming --- drivers/net/phy/mdio_bus.c | 89 ++++++++++++++++++++------------------ include/linux/phy.h | 2 + 2 files changed, 50 insertions(+), 41 deletions(-) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 94e0b7ed76f1..e7508c10887c 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -60,49 +60,14 @@ int mdiobus_register(struct mii_bus *bus) bus->reset(bus); for (i = 0; i < PHY_MAX_ADDR; i++) { - struct phy_device *phydev; + bus->phy_map[i] = NULL; + if ((bus->phy_mask & (1 << i)) == 0) { + struct phy_device *phydev; - if (bus->phy_mask & (1 << i)) { - bus->phy_map[i] = NULL; - continue; + phydev = mdiobus_scan(bus, i); + if (IS_ERR(phydev)) + err = PTR_ERR(phydev); } - - phydev = get_phy_device(bus, i); - - if (IS_ERR(phydev)) - return PTR_ERR(phydev); - - /* There's a PHY at this address - * We need to set: - * 1) IRQ - * 2) bus_id - * 3) parent - * 4) bus - * 5) mii_bus - * And, we need to register it */ - if (phydev) { - phydev->irq = bus->irq[i]; - - phydev->dev.parent = bus->dev; - phydev->dev.bus = &mdio_bus_type; - snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, i); - - phydev->bus = bus; - - /* Run all of the fixups for this PHY */ - phy_scan_fixups(phydev); - - err = device_register(&phydev->dev); - - if (err) { - printk(KERN_ERR "phy %d failed to register\n", - i); - phy_device_free(phydev); - phydev = NULL; - } - } - - bus->phy_map[i] = phydev; } pr_info("%s: probed\n", bus->name); @@ -122,6 +87,48 @@ void mdiobus_unregister(struct mii_bus *bus) } EXPORT_SYMBOL(mdiobus_unregister); +struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr) +{ + struct phy_device *phydev; + int err; + + phydev = get_phy_device(bus, addr); + if (IS_ERR(phydev) || phydev == NULL) + return phydev; + + /* There's a PHY at this address + * We need to set: + * 1) IRQ + * 2) bus_id + * 3) parent + * 4) bus + * 5) mii_bus + * And, we need to register it */ + + phydev->irq = bus->irq != NULL ? bus->irq[addr] : PHY_POLL; + + phydev->dev.parent = bus->dev; + phydev->dev.bus = &mdio_bus_type; + snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, addr); + + phydev->bus = bus; + + /* Run all of the fixups for this PHY */ + phy_scan_fixups(phydev); + + err = device_register(&phydev->dev); + if (err) { + printk(KERN_ERR "phy %d failed to register\n", addr); + phy_device_free(phydev); + phydev = NULL; + } + + bus->phy_map[addr] = phydev; + + return phydev; +} +EXPORT_SYMBOL(mdiobus_scan); + /** * mdio_bus_match - determine if given PHY driver supports the given PHY device * @dev: target PHY device diff --git a/include/linux/phy.h b/include/linux/phy.h index 7224c4099a28..5f170f5b1a30 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -410,6 +410,8 @@ int phy_start_aneg(struct phy_device *phydev); int mdiobus_register(struct mii_bus *bus); void mdiobus_unregister(struct mii_bus *bus); +struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr); + void phy_sanitize_settings(struct phy_device *phydev); int phy_stop_interrupts(struct phy_device *phydev); int phy_enable_interrupts(struct phy_device *phydev); -- GitLab From 279b0bbba2bb647348ad90e183b3960aa99eccfd Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 18 Sep 2008 23:55:27 -0700 Subject: [PATCH 1895/6244] x86: fix arch/x86/kernel/cpu/mtrr/main.c warning fix this warning reported by Andrew Morton: > arch/x86/kernel/cpu/mtrr/main.c: In function 'mtrr_bp_init': > arch/x86/kernel/cpu/mtrr/main.c:1170: warning: 'extra_remove_base' may be used uninitialized in this function the warning is bogus but the logic that prevents uninitialized use is a bit convoluted so simplify it all. Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/mtrr/main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index b117d7f8a564..8a7c79234be6 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -1218,11 +1218,10 @@ static int __init mtrr_cleanup(unsigned address_bits) memset(range, 0, sizeof(range)); extra_remove_size = 0; - if (mtrr_tom2) { - extra_remove_base = 1 << (32 - PAGE_SHIFT); + extra_remove_base = 1 << (32 - PAGE_SHIFT); + if (mtrr_tom2) extra_remove_size = (mtrr_tom2 >> PAGE_SHIFT) - extra_remove_base; - } nr_range = x86_get_mtrr_mem_range(range, 0, extra_remove_base, extra_remove_size); range_sums = sum_ranges(range, nr_range); -- GitLab From 07a2c01a0c2a0cb4581a67d50d4f17cb4d2457c4 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 19 Sep 2008 02:02:05 +0900 Subject: [PATCH 1896/6244] convert swiotlb to use dma_get_mask swiotlb can use dma_get_mask() instead of the homegrown function. Signed-off-by: FUJITA Tomonori Cc: tony.luck@intel.com Signed-off-by: Ingo Molnar --- include/linux/dma-mapping.h | 2 +- lib/swiotlb.c | 6 +----- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 0dba7433af18..ba9114ec5d3a 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -65,7 +65,7 @@ static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size) static inline u64 dma_get_mask(struct device *dev) { - if (dev->dma_mask && *dev->dma_mask) + if (dev && dev->dma_mask && *dev->dma_mask) return *dev->dma_mask; return DMA_32BIT_MASK; } diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 240a67c2c979..f8eebd489149 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -276,11 +276,7 @@ cleanup1: static int address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size) { - dma_addr_t mask = 0xffffffff; - /* If the device has a mask, use it, otherwise default to 32 bits */ - if (hwdev && hwdev->dma_mask) - mask = *hwdev->dma_mask; - return !is_buffer_dma_capable(mask, addr, size); + return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size); } static int is_swiotlb_buffer(char *addr) -- GitLab From 3b7ecb5d2ffde82efd1b1bcc6780dc8a019acf02 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 19 Sep 2008 01:56:23 -0700 Subject: [PATCH 1897/6244] softlockup: Documentation/sysctl/kernel.txt: fix softlockup_thresh description - s/s/seconds/ - s/10 seconds/60 seconds/ - Mention the zero-disables-it feature. Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- Documentation/sysctl/kernel.txt | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 276a7e637822..e1ff0d920a5c 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -351,9 +351,10 @@ kernel. This value defaults to SHMMAX. softlockup_thresh: -This value can be used to lower the softlockup tolerance -threshold. The default threshold is 10s. If a cpu is locked up -for 10s, the kernel complains. Valid values are 1-60s. +This value can be used to lower the softlockup tolerance threshold. The +default threshold is 60 seconds. If a cpu is locked up for 60 seconds, +the kernel complains. Valid values are 1-60 seconds. Setting this +tunable to zero will disable the softlockup detection altogether. ============================================================== -- GitLab From dbcc112e3b5367e81a845b082933506b0ff1d1e2 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 4 Sep 2008 15:04:26 +0200 Subject: [PATCH 1898/6244] AMD IOMMU: check for invalid device pointers Currently AMD IOMMU code triggers a BUG_ON if NULL is passed as the device. This is inconsistent with other IOMMU implementations. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 43 ++++++++++++++++++++++++++++++------- 1 file changed, 35 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 01c68c38840d..695e0fc41b10 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -645,6 +645,18 @@ static void set_device_domain(struct amd_iommu *iommu, * *****************************************************************************/ +/* + * This function checks if the driver got a valid device from the caller to + * avoid dereferencing invalid pointers. + */ +static bool check_device(struct device *dev) +{ + if (!dev || !dev->dma_mask) + return false; + + return true; +} + /* * In the dma_ops path we only have the struct device. This function * finds the corresponding IOMMU, the protection domain and the @@ -661,18 +673,19 @@ static int get_device_resources(struct device *dev, struct pci_dev *pcidev; u16 _bdf; - BUG_ON(!dev || dev->bus != &pci_bus_type || !dev->dma_mask); + *iommu = NULL; + *domain = NULL; + *bdf = 0xffff; + + if (dev->bus != &pci_bus_type) + return 0; pcidev = to_pci_dev(dev); _bdf = calc_devid(pcidev->bus->number, pcidev->devfn); /* device not translated by any IOMMU in the system? */ - if (_bdf > amd_iommu_last_bdf) { - *iommu = NULL; - *domain = NULL; - *bdf = 0xffff; + if (_bdf > amd_iommu_last_bdf) return 0; - } *bdf = amd_iommu_alias_table[_bdf]; @@ -826,6 +839,9 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, u16 devid; dma_addr_t addr; + if (!check_device(dev)) + return bad_dma_address; + get_device_resources(dev, &iommu, &domain, &devid); if (iommu == NULL || domain == NULL) @@ -860,7 +876,8 @@ static void unmap_single(struct device *dev, dma_addr_t dma_addr, struct protection_domain *domain; u16 devid; - if (!get_device_resources(dev, &iommu, &domain, &devid)) + if (!check_device(dev) || + !get_device_resources(dev, &iommu, &domain, &devid)) /* device not handled by any AMD IOMMU */ return; @@ -910,6 +927,9 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, phys_addr_t paddr; int mapped_elems = 0; + if (!check_device(dev)) + return 0; + get_device_resources(dev, &iommu, &domain, &devid); if (!iommu || !domain) @@ -967,7 +987,8 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist, u16 devid; int i; - if (!get_device_resources(dev, &iommu, &domain, &devid)) + if (!check_device(dev) || + !get_device_resources(dev, &iommu, &domain, &devid)) return; spin_lock_irqsave(&domain->lock, flags); @@ -999,6 +1020,9 @@ static void *alloc_coherent(struct device *dev, size_t size, u16 devid; phys_addr_t paddr; + if (!check_device(dev)) + return NULL; + virt_addr = (void *)__get_free_pages(flag, get_order(size)); if (!virt_addr) return 0; @@ -1047,6 +1071,9 @@ static void free_coherent(struct device *dev, size_t size, struct protection_domain *domain; u16 devid; + if (!check_device(dev)) + return; + get_device_resources(dev, &iommu, &domain, &devid); if (!iommu || !domain) -- GitLab From 270cab2426cdc6307725e4f1f46ecf8ab8e69193 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 4 Sep 2008 15:49:46 +0200 Subject: [PATCH 1899/6244] AMD IOMMU: move TLB flushing to the map/unmap helper functions This patch moves the invocation of the flushing functions to the map/unmap helpers because its common code in all dma_ops relevant mapping/unmapping code. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 695e0fc41b10..691e023695ad 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -795,6 +795,9 @@ static dma_addr_t __map_single(struct device *dev, } address += offset; + if (unlikely(iommu_has_npcache(iommu))) + iommu_flush_pages(iommu, dma_dom->domain.id, address, size); + out: return address; } @@ -825,6 +828,8 @@ static void __unmap_single(struct amd_iommu *iommu, } dma_ops_free_addresses(dma_dom, dma_addr, pages); + + iommu_flush_pages(iommu, dma_dom->domain.id, dma_addr, size); } /* @@ -853,9 +858,6 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, if (addr == bad_dma_address) goto out; - if (iommu_has_npcache(iommu)) - iommu_flush_pages(iommu, domain->id, addr, size); - if (iommu->need_sync) iommu_completion_wait(iommu); @@ -885,8 +887,6 @@ static void unmap_single(struct device *dev, dma_addr_t dma_addr, __unmap_single(iommu, domain->priv, dma_addr, size, dir); - iommu_flush_pages(iommu, domain->id, dma_addr, size); - if (iommu->need_sync) iommu_completion_wait(iommu); @@ -948,9 +948,6 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, mapped_elems++; } else goto unmap; - if (iommu_has_npcache(iommu)) - iommu_flush_pages(iommu, domain->id, s->dma_address, - s->dma_length); } if (iommu->need_sync) @@ -996,8 +993,6 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist, for_each_sg(sglist, s, nelems, i) { __unmap_single(iommu, domain->priv, s->dma_address, s->dma_length, dir); - iommu_flush_pages(iommu, domain->id, s->dma_address, - s->dma_length); s->dma_address = s->dma_length = 0; } @@ -1048,9 +1043,6 @@ static void *alloc_coherent(struct device *dev, size_t size, goto out; } - if (iommu_has_npcache(iommu)) - iommu_flush_pages(iommu, domain->id, *dma_addr, size); - if (iommu->need_sync) iommu_completion_wait(iommu); @@ -1082,7 +1074,6 @@ static void free_coherent(struct device *dev, size_t size, spin_lock_irqsave(&domain->lock, flags); __unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL); - iommu_flush_pages(iommu, domain->id, dma_addr, size); if (iommu->need_sync) iommu_completion_wait(iommu); -- GitLab From 2842e5bf3115193f05dc9dac20f940e7abf44c1a Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 18 Sep 2008 15:23:43 +0200 Subject: [PATCH 1900/6244] x86: move GART TLB flushing options to generic code The GART currently implements the iommu=[no]fullflush command line parameters which influence its IO/TLB flushing strategy. This patch makes these parameters generic so that they can be used by the AMD IOMMU too. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- Documentation/kernel-parameters.txt | 4 ++++ Documentation/x86/x86_64/boot-options.txt | 2 -- arch/x86/kernel/pci-dma.c | 13 +++++++++++++ arch/x86/kernel/pci-gart_64.c | 13 ------------- include/asm-x86/iommu.h | 1 + 5 files changed, 18 insertions(+), 15 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1150444a21ab..40066ceb48fe 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -893,6 +893,10 @@ and is between 256 and 4096 characters. It is defined in the file nomerge forcesac soft + fullflush + Flush IO/TLB at every deallocation + nofullflush + Flush IO/TLB only when addresses are reused (default) intel_iommu= [DMAR] Intel IOMMU driver (DMAR) option diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index b0c7b6c4abda..c83c8e4bc8e5 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt @@ -233,8 +233,6 @@ IOMMU (input/output memory management unit) iommu options only relevant to the AMD GART hardware IOMMU: Set the size of the remapping area in bytes. allowed Overwrite iommu off workarounds for specific chipsets. - fullflush Flush IOMMU on each allocation (default). - nofullflush Don't use IOMMU fullflush. leak Turn on simple iommu leak tracing (only when CONFIG_IOMMU_LEAK is on). Default number of leak pages is 20. diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 0a1408abcc62..d2f2c0158dc1 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -16,6 +16,15 @@ EXPORT_SYMBOL(dma_ops); static int iommu_sac_force __read_mostly; +/* + * If this is disabled the IOMMU will use an optimized flushing strategy + * of only flushing when an mapping is reused. With it true the GART is + * flushed for every mapping. Problem is that doing the lazy flush seems + * to trigger bugs with some popular PCI cards, in particular 3ware (but + * has been also also seen with Qlogic at least). + */ +int iommu_fullflush; + #ifdef CONFIG_IOMMU_DEBUG int panic_on_overflow __read_mostly = 1; int force_iommu __read_mostly = 1; @@ -171,6 +180,10 @@ static __init int iommu_setup(char *p) } if (!strncmp(p, "nomerge", 7)) iommu_merge = 0; + if (!strncmp(p, "fullflush", 8)) + iommu_fullflush = 1; + if (!strncmp(p, "nofullflush", 11)) + iommu_fullflush = 0; if (!strncmp(p, "forcesac", 8)) iommu_sac_force = 1; if (!strncmp(p, "allowdac", 8)) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 9739d5682093..508ef470b27f 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -45,15 +45,6 @@ static unsigned long iommu_pages; /* .. and in pages */ static u32 *iommu_gatt_base; /* Remapping table */ -/* - * If this is disabled the IOMMU will use an optimized flushing strategy - * of only flushing when an mapping is reused. With it true the GART is - * flushed for every mapping. Problem is that doing the lazy flush seems - * to trigger bugs with some popular PCI cards, in particular 3ware (but - * has been also also seen with Qlogic at least). - */ -int iommu_fullflush = 1; - /* Allocation bitmap for the remapping area: */ static DEFINE_SPINLOCK(iommu_bitmap_lock); /* Guarded by iommu_bitmap_lock: */ @@ -901,10 +892,6 @@ void __init gart_parse_options(char *p) #endif if (isdigit(*p) && get_option(&p, &arg)) iommu_size = arg; - if (!strncmp(p, "fullflush", 8)) - iommu_fullflush = 1; - if (!strncmp(p, "nofullflush", 11)) - iommu_fullflush = 0; if (!strncmp(p, "noagp", 5)) no_agp = 1; if (!strncmp(p, "noaperture", 10)) diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h index 621a1af94c4c..67b2fd56c6da 100644 --- a/include/asm-x86/iommu.h +++ b/include/asm-x86/iommu.h @@ -7,6 +7,7 @@ extern struct dma_mapping_ops nommu_dma_ops; extern int force_iommu, no_iommu; extern int iommu_detected; extern int dmar_disabled; +extern int iommu_fullflush; extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len); -- GitLab From 1c65577398589bb44ab0980f9b9d30804b48a5db Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 4 Sep 2008 18:40:05 +0200 Subject: [PATCH 1901/6244] AMD IOMMU: implement lazy IO/TLB flushing The IO/TLB flushing on every unmaping operation is the most expensive part in AMD IOMMU code and not strictly necessary. It is sufficient to do the flush before any entries are reused. This is patch implements lazy IO/TLB flushing which does exactly this. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 26 ++++++++++++++++++++++---- arch/x86/kernel/amd_iommu_init.c | 7 ++++++- include/asm-x86/amd_iommu_types.h | 3 +++ 3 files changed, 31 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 691e023695ad..679f2a8e22ee 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -203,6 +203,14 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid, return 0; } +/* Flush the whole IO/TLB for a given protection domain */ +static void iommu_flush_tlb(struct amd_iommu *iommu, u16 domid) +{ + u64 address = CMD_INV_IOMMU_ALL_PAGES_ADDRESS; + + iommu_queue_inv_iommu_pages(iommu, address, domid, 0, 1); +} + /**************************************************************************** * * The functions below are used the create the page table mappings for @@ -386,14 +394,18 @@ static unsigned long dma_ops_alloc_addresses(struct device *dev, PAGE_SIZE) >> PAGE_SHIFT; limit = limit < size ? limit : size; - if (dom->next_bit >= limit) + if (dom->next_bit >= limit) { dom->next_bit = 0; + dom->need_flush = true; + } address = iommu_area_alloc(dom->bitmap, limit, dom->next_bit, pages, 0 , boundary_size, 0); - if (address == -1) + if (address == -1) { address = iommu_area_alloc(dom->bitmap, limit, 0, pages, 0, boundary_size, 0); + dom->need_flush = true; + } if (likely(address != -1)) { dom->next_bit = address + pages; @@ -553,6 +565,8 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu, dma_dom->bitmap[0] = 1; dma_dom->next_bit = 0; + dma_dom->need_flush = false; + /* Intialize the exclusion range if necessary */ if (iommu->exclusion_start && iommu->exclusion_start < dma_dom->aperture_size) { @@ -795,7 +809,10 @@ static dma_addr_t __map_single(struct device *dev, } address += offset; - if (unlikely(iommu_has_npcache(iommu))) + if (unlikely(dma_dom->need_flush && !iommu_fullflush)) { + iommu_flush_tlb(iommu, dma_dom->domain.id); + dma_dom->need_flush = false; + } else if (unlikely(iommu_has_npcache(iommu))) iommu_flush_pages(iommu, dma_dom->domain.id, address, size); out: @@ -829,7 +846,8 @@ static void __unmap_single(struct amd_iommu *iommu, dma_ops_free_addresses(dma_dom, dma_addr, pages); - iommu_flush_pages(iommu, dma_dom->domain.id, dma_addr, size); + if (iommu_fullflush) + iommu_flush_pages(iommu, dma_dom->domain.id, dma_addr, size); } /* diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index a69cc0f52042..f2fa8dc81beb 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -995,6 +995,11 @@ int __init amd_iommu_init(void) else printk("disabled\n"); + if (iommu_fullflush) + printk(KERN_INFO "AMD IOMMU: IO/TLB flush on unmap enabled\n"); + else + printk(KERN_INFO "AMD IOMMU: Lazy IO/TLB flushing enabled\n"); + out: return ret; @@ -1057,7 +1062,7 @@ void __init amd_iommu_detect(void) static int __init parse_amd_iommu_options(char *str) { for (; *str; ++str) { - if (strcmp(str, "isolate") == 0) + if (strncmp(str, "isolate", 7) == 0) amd_iommu_isolate = 1; } diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index dcc812067394..dcc472445ffd 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -196,6 +196,9 @@ struct dma_ops_domain { * just calculate its address in constant time. */ u64 **pte_pages; + + /* This will be set to true when TLB needs to be flushed */ + bool need_flush; }; /* -- GitLab From 5507eef835c9c941e69d6d96e4b43af23eeb4ac9 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 4 Sep 2008 19:01:02 +0200 Subject: [PATCH 1902/6244] AMD IOMMU: add branch hints to completion wait checks This patch adds branch hints to the cecks if a completion_wait is necessary. The completion_waits in the mapping paths are unlikly because they will only happen on software implementations of AMD IOMMU which don't exists today or with lazy IO/TLB flushing when the allocator wraps around the address space. With lazy IO/TLB flushing the completion_wait in the unmapping path is unlikely too. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 679f2a8e22ee..d743aa0adccc 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -876,7 +876,7 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, if (addr == bad_dma_address) goto out; - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); out: @@ -905,7 +905,7 @@ static void unmap_single(struct device *dev, dma_addr_t dma_addr, __unmap_single(iommu, domain->priv, dma_addr, size, dir); - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); spin_unlock_irqrestore(&domain->lock, flags); @@ -968,7 +968,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, goto unmap; } - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); out: @@ -1014,7 +1014,7 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist, s->dma_address = s->dma_length = 0; } - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); spin_unlock_irqrestore(&domain->lock, flags); @@ -1061,7 +1061,7 @@ static void *alloc_coherent(struct device *dev, size_t size, goto out; } - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); out: @@ -1093,7 +1093,7 @@ static void free_coherent(struct device *dev, size_t size, __unmap_single(iommu, domain->priv, dma_addr, size, DMA_BIDIRECTIONAL); - if (iommu->need_sync) + if (unlikely(iommu->need_sync)) iommu_completion_wait(iommu); spin_unlock_irqrestore(&domain->lock, flags); -- GitLab From 6d4f343f84993eb0d5864c0823dc9babd171a33a Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 4 Sep 2008 19:18:02 +0200 Subject: [PATCH 1903/6244] AMD IOMMU: align alloc_coherent addresses properly The API definition for dma_alloc_coherent states that the bus address has to be aligned to the next power of 2 boundary greater than the allocation size. This is violated by AMD IOMMU so far and this patch fixes it. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index d743aa0adccc..15792ed082e0 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -383,7 +383,8 @@ static unsigned long dma_mask_to_pages(unsigned long mask) */ static unsigned long dma_ops_alloc_addresses(struct device *dev, struct dma_ops_domain *dom, - unsigned int pages) + unsigned int pages, + unsigned long align_mask) { unsigned long limit = dma_mask_to_pages(*dev->dma_mask); unsigned long address; @@ -400,10 +401,10 @@ static unsigned long dma_ops_alloc_addresses(struct device *dev, } address = iommu_area_alloc(dom->bitmap, limit, dom->next_bit, pages, - 0 , boundary_size, 0); + 0 , boundary_size, align_mask); if (address == -1) { address = iommu_area_alloc(dom->bitmap, limit, 0, pages, - 0, boundary_size, 0); + 0, boundary_size, align_mask); dom->need_flush = true; } @@ -787,17 +788,22 @@ static dma_addr_t __map_single(struct device *dev, struct dma_ops_domain *dma_dom, phys_addr_t paddr, size_t size, - int dir) + int dir, + bool align) { dma_addr_t offset = paddr & ~PAGE_MASK; dma_addr_t address, start; unsigned int pages; + unsigned long align_mask = 0; int i; pages = iommu_num_pages(paddr, size); paddr &= PAGE_MASK; - address = dma_ops_alloc_addresses(dev, dma_dom, pages); + if (align) + align_mask = (1UL << get_order(size)) - 1; + + address = dma_ops_alloc_addresses(dev, dma_dom, pages, align_mask); if (unlikely(address == bad_dma_address)) goto out; @@ -872,7 +878,7 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, return (dma_addr_t)paddr; spin_lock_irqsave(&domain->lock, flags); - addr = __map_single(dev, iommu, domain->priv, paddr, size, dir); + addr = __map_single(dev, iommu, domain->priv, paddr, size, dir, false); if (addr == bad_dma_address) goto out; @@ -959,7 +965,7 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, paddr = sg_phys(s); s->dma_address = __map_single(dev, iommu, domain->priv, - paddr, s->length, dir); + paddr, s->length, dir, false); if (s->dma_address) { s->dma_length = s->length; @@ -1053,7 +1059,7 @@ static void *alloc_coherent(struct device *dev, size_t size, spin_lock_irqsave(&domain->lock, flags); *dma_addr = __map_single(dev, iommu, domain->priv, paddr, - size, DMA_BIDIRECTIONAL); + size, DMA_BIDIRECTIONAL, true); if (*dma_addr == bad_dma_address) { free_pages((unsigned long)virt_addr, get_order(size)); -- GitLab From 335503e57b6b8de04cec5d27eb2c3d09ff98905b Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 5 Sep 2008 14:29:07 +0200 Subject: [PATCH 1904/6244] AMD IOMMU: add event buffer allocation This patch adds the allocation of a event buffer for each AMD IOMMU in the system. The hardware will log events like device page faults or other errors to this buffer once this is enabled. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 29 +++++++++++++++++++++++++++++ include/asm-x86/amd_iommu_types.h | 9 +++++++++ 2 files changed, 38 insertions(+) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index f2fa8dc81beb..41ce8d5d626e 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -417,6 +417,30 @@ static void __init free_command_buffer(struct amd_iommu *iommu) free_pages((unsigned long)iommu->cmd_buf, get_order(CMD_BUFFER_SIZE)); } +/* allocates the memory where the IOMMU will log its events to */ +static u8 * __init alloc_event_buffer(struct amd_iommu *iommu) +{ + u64 entry; + iommu->evt_buf = (u8 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, + get_order(EVT_BUFFER_SIZE)); + + if (iommu->evt_buf == NULL) + return NULL; + + entry = (u64)virt_to_phys(iommu->evt_buf) | EVT_LEN_MASK; + memcpy_toio(iommu->mmio_base + MMIO_EVT_BUF_OFFSET, + &entry, sizeof(entry)); + + iommu->evt_buf_size = EVT_BUFFER_SIZE; + + return iommu->evt_buf; +} + +static void __init free_event_buffer(struct amd_iommu *iommu) +{ + free_pages((unsigned long)iommu->evt_buf, get_order(EVT_BUFFER_SIZE)); +} + /* sets a specific bit in the device table entry. */ static void set_dev_entry_bit(u16 devid, u8 bit) { @@ -622,6 +646,7 @@ static int __init init_iommu_devices(struct amd_iommu *iommu) static void __init free_iommu_one(struct amd_iommu *iommu) { free_command_buffer(iommu); + free_event_buffer(iommu); iommu_unmap_mmio_space(iommu); } @@ -661,6 +686,10 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) if (!iommu->cmd_buf) return -ENOMEM; + iommu->evt_buf = alloc_event_buffer(iommu); + if (!iommu->evt_buf) + return -ENOMEM; + init_iommu_from_pci(iommu); init_iommu_from_acpi(iommu, h); init_iommu_devices(iommu); diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index dcc472445ffd..8b8cd0c60b3c 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -116,6 +116,10 @@ #define MMIO_CMD_SIZE_SHIFT 56 #define MMIO_CMD_SIZE_512 (0x9ULL << MMIO_CMD_SIZE_SHIFT) +/* constants for event buffer handling */ +#define EVT_BUFFER_SIZE 8192 /* 512 entries */ +#define EVT_LEN_MASK (0x9ULL << 56) + #define PAGE_MODE_1_LEVEL 0x01 #define PAGE_MODE_2_LEVEL 0x02 #define PAGE_MODE_3_LEVEL 0x03 @@ -243,6 +247,11 @@ struct amd_iommu { /* size of command buffer */ u32 cmd_buf_size; + /* event buffer virtual address */ + u8 *evt_buf; + /* size of event buffer */ + u32 evt_buf_size; + /* if one, we need to send a completion wait command */ int need_sync; -- GitLab From ee893c24edb8ebab9a3fb66566855572579ad616 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Mon, 8 Sep 2008 14:48:04 +0200 Subject: [PATCH 1905/6244] AMD IOMMU: save pci segment from ACPI tables This patch adds the pci_seg field to the amd_iommu structure and fills it with the corresponding value from the ACPI table. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 1 + include/asm-x86/amd_iommu_types.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 41ce8d5d626e..b50234ef91ed 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -676,6 +676,7 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) */ iommu->devid = h->devid; iommu->cap_ptr = h->cap_ptr; + iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; iommu->mmio_base = iommu_map_mmio_space(h->mmio_phys); if (!iommu->mmio_base) diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 8b8cd0c60b3c..20814b85bbc3 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -232,6 +232,9 @@ struct amd_iommu { /* capabilities of that IOMMU read from ACPI */ u32 cap; + /* pci domain of this IOMMU */ + u16 pci_seg; + /* first device this IOMMU handles. read from PCI */ u16 first_device; /* last device this IOMMU handles. read from PCI */ -- GitLab From 3eaf28a1cd2686aaa185b54d5a5e18e91b41f7f2 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Mon, 8 Sep 2008 15:55:10 +0200 Subject: [PATCH 1906/6244] AMD IOMMU: save pci_dev instead of devid We need the pci_dev later anyways to enable MSI for the IOMMU hardware. So remove the devid pointing to the BDF and replace it with the pci_dev structure where the IOMMU is implemented. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 25 ++++++++++++++++--------- include/asm-x86/amd_iommu_types.h | 5 +++-- 2 files changed, 19 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index b50234ef91ed..a7eb89d8923d 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -242,9 +242,12 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) /* Function to enable the hardware */ void __init iommu_enable(struct amd_iommu *iommu) { - printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at "); - print_devid(iommu->devid, 0); - printk(" cap 0x%hx\n", iommu->cap_ptr); + printk(KERN_INFO "AMD IOMMU: Enabling IOMMU " + "at %02x:%02x.%x cap 0x%hx\n", + iommu->dev->bus->number, + PCI_SLOT(iommu->dev->devfn), + PCI_FUNC(iommu->dev->devfn), + iommu->cap_ptr); iommu_feature_enable(iommu, CONTROL_IOMMU_EN); } @@ -511,15 +514,14 @@ static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m) */ static void __init init_iommu_from_pci(struct amd_iommu *iommu) { - int bus = PCI_BUS(iommu->devid); - int dev = PCI_SLOT(iommu->devid); - int fn = PCI_FUNC(iommu->devid); int cap_ptr = iommu->cap_ptr; u32 range; - iommu->cap = read_pci_config(bus, dev, fn, cap_ptr+MMIO_CAP_HDR_OFFSET); + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET, + &iommu->cap); + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET, + &range); - range = read_pci_config(bus, dev, fn, cap_ptr+MMIO_RANGE_OFFSET); iommu->first_device = calc_devid(MMIO_GET_BUS(range), MMIO_GET_FD(range)); iommu->last_device = calc_devid(MMIO_GET_BUS(range), @@ -674,7 +676,10 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) /* * Copy data from ACPI table entry to the iommu struct */ - iommu->devid = h->devid; + iommu->dev = pci_get_bus_and_slot(PCI_BUS(h->devid), h->devid & 0xff); + if (!iommu->dev) + return 1; + iommu->cap_ptr = h->cap_ptr; iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; @@ -695,6 +700,8 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) init_iommu_from_acpi(iommu, h); init_iommu_devices(iommu); + pci_enable_device(iommu->dev); + return 0; } diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 20814b85bbc3..a5629a21557c 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -215,8 +215,9 @@ struct amd_iommu { /* locks the accesses to the hardware */ spinlock_t lock; - /* device id of this IOMMU */ - u16 devid; + /* Pointer to PCI device of this IOMMU */ + struct pci_dev *dev; + /* * Capability pointer. There could be more than one IOMMU per PCI * device function if there are more than one AMD IOMMU capability -- GitLab From a80dc3e0e0dc8393158de317d66ae0f345dc58f9 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 11 Sep 2008 16:51:41 +0200 Subject: [PATCH 1907/6244] AMD IOMMU: add MSI interrupt support The AMD IOMMU can generate interrupts for various reasons. This patch adds the basic interrupt enabling infrastructure to the driver. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 1 + arch/x86/kernel/amd_iommu.c | 11 ++++ arch/x86/kernel/amd_iommu_init.c | 99 ++++++++++++++++++++++++++++++- include/asm-x86/amd_iommu.h | 3 + include/asm-x86/amd_iommu_types.h | 7 +++ 5 files changed, 120 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ed92864d1325..39fd3f42696d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -553,6 +553,7 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT config AMD_IOMMU bool "AMD IOMMU support" select SWIOTLB + select PCI_MSI depends on X86_64 && PCI && ACPI help With this option you can enable support for AMD IOMMU hardware in diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 15792ed082e0..0e494b9d5f20 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -49,6 +49,17 @@ static int iommu_has_npcache(struct amd_iommu *iommu) return iommu->cap & IOMMU_CAP_NPCACHE; } +/**************************************************************************** + * + * Interrupt handling functions + * + ****************************************************************************/ + +irqreturn_t amd_iommu_int_handler(int irq, void *data) +{ + return IRQ_NONE; +} + /**************************************************************************** * * IOMMU command queuing functions diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index a7eb89d8923d..14a06464a694 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #include #include #include @@ -515,17 +517,20 @@ static void __init set_device_exclusion_range(u16 devid, struct ivmd_header *m) static void __init init_iommu_from_pci(struct amd_iommu *iommu) { int cap_ptr = iommu->cap_ptr; - u32 range; + u32 range, misc; pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET, &iommu->cap); pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET, &range); + pci_read_config_dword(iommu->dev, cap_ptr + MMIO_MISC_OFFSET, + &misc); iommu->first_device = calc_devid(MMIO_GET_BUS(range), MMIO_GET_FD(range)); iommu->last_device = calc_devid(MMIO_GET_BUS(range), MMIO_GET_LD(range)); + iommu->evt_msi_num = MMIO_MSI_NUM(misc); } /* @@ -696,6 +701,8 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) if (!iommu->evt_buf) return -ENOMEM; + iommu->int_enabled = false; + init_iommu_from_pci(iommu); init_iommu_from_acpi(iommu, h); init_iommu_devices(iommu); @@ -741,6 +748,95 @@ static int __init init_iommu_all(struct acpi_table_header *table) return 0; } +/**************************************************************************** + * + * The following functions initialize the MSI interrupts for all IOMMUs + * in the system. Its a bit challenging because there could be multiple + * IOMMUs per PCI BDF but we can call pci_enable_msi(x) only once per + * pci_dev. + * + ****************************************************************************/ + +static int __init iommu_setup_msix(struct amd_iommu *iommu) +{ + struct amd_iommu *curr; + struct msix_entry entries[32]; /* only 32 supported by AMD IOMMU */ + int nvec = 0, i; + + list_for_each_entry(curr, &amd_iommu_list, list) { + if (curr->dev == iommu->dev) { + entries[nvec].entry = curr->evt_msi_num; + entries[nvec].vector = 0; + curr->int_enabled = true; + nvec++; + } + } + + if (pci_enable_msix(iommu->dev, entries, nvec)) { + pci_disable_msix(iommu->dev); + return 1; + } + + for (i = 0; i < nvec; ++i) { + int r = request_irq(entries->vector, amd_iommu_int_handler, + IRQF_SAMPLE_RANDOM, + "AMD IOMMU", + NULL); + if (r) + goto out_free; + } + + return 0; + +out_free: + for (i -= 1; i >= 0; --i) + free_irq(entries->vector, NULL); + + pci_disable_msix(iommu->dev); + + return 1; +} + +static int __init iommu_setup_msi(struct amd_iommu *iommu) +{ + int r; + struct amd_iommu *curr; + + list_for_each_entry(curr, &amd_iommu_list, list) { + if (curr->dev == iommu->dev) + curr->int_enabled = true; + } + + + if (pci_enable_msi(iommu->dev)) + return 1; + + r = request_irq(iommu->dev->irq, amd_iommu_int_handler, + IRQF_SAMPLE_RANDOM, + "AMD IOMMU", + NULL); + + if (r) { + pci_disable_msi(iommu->dev); + return 1; + } + + return 0; +} + +static int __init iommu_init_msi(struct amd_iommu *iommu) +{ + if (iommu->int_enabled) + return 0; + + if (pci_find_capability(iommu->dev, PCI_CAP_ID_MSIX)) + return iommu_setup_msix(iommu); + else if (pci_find_capability(iommu->dev, PCI_CAP_ID_MSI)) + return iommu_setup_msi(iommu); + + return 1; +} + /**************************************************************************** * * The next functions belong to the third pass of parsing the ACPI @@ -862,6 +958,7 @@ static void __init enable_iommus(void) list_for_each_entry(iommu, &amd_iommu_list, list) { iommu_set_exclusion_range(iommu); + iommu_init_msi(iommu); iommu_enable(iommu); } } diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h index 30a12049353b..2fd97cb250c7 100644 --- a/include/asm-x86/amd_iommu.h +++ b/include/asm-x86/amd_iommu.h @@ -20,10 +20,13 @@ #ifndef _ASM_X86_AMD_IOMMU_H #define _ASM_X86_AMD_IOMMU_H +#include + #ifdef CONFIG_AMD_IOMMU extern int amd_iommu_init(void); extern int amd_iommu_init_dma_ops(void); extern void amd_iommu_detect(void); +extern irqreturn_t amd_iommu_int_handler(int irq, void *data); #else static inline int amd_iommu_init(void) { return -ENODEV; } static inline void amd_iommu_detect(void) { } diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index a5629a21557c..8533f09b34b7 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -37,6 +37,7 @@ /* Capability offsets used by the driver */ #define MMIO_CAP_HDR_OFFSET 0x00 #define MMIO_RANGE_OFFSET 0x0c +#define MMIO_MISC_OFFSET 0x10 /* Masks, shifts and macros to parse the device range capability */ #define MMIO_RANGE_LD_MASK 0xff000000 @@ -48,6 +49,7 @@ #define MMIO_GET_LD(x) (((x) & MMIO_RANGE_LD_MASK) >> MMIO_RANGE_LD_SHIFT) #define MMIO_GET_FD(x) (((x) & MMIO_RANGE_FD_MASK) >> MMIO_RANGE_FD_SHIFT) #define MMIO_GET_BUS(x) (((x) & MMIO_RANGE_BUS_MASK) >> MMIO_RANGE_BUS_SHIFT) +#define MMIO_MSI_NUM(x) ((x) & 0x1f) /* Flag masks for the AMD IOMMU exclusion range */ #define MMIO_EXCL_ENABLE_MASK 0x01ULL @@ -255,10 +257,15 @@ struct amd_iommu { u8 *evt_buf; /* size of event buffer */ u32 evt_buf_size; + /* MSI number for event interrupt */ + u16 evt_msi_num; /* if one, we need to send a completion wait command */ int need_sync; + /* true if interrupts for this IOMMU are already enabled */ + bool int_enabled; + /* default dma_ops domain for that IOMMU */ struct dma_ops_domain *default_dom; }; -- GitLab From 90008ee4b811c944455752dcb72b291a5ba81b53 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Tue, 9 Sep 2008 16:41:05 +0200 Subject: [PATCH 1908/6244] AMD IOMMU: add event handling code This patch adds code for polling and printing out events generated by the AMD IOMMU. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 87 ++++++++++++++++++++++++++++++- arch/x86/kernel/amd_iommu_init.c | 1 - include/asm-x86/amd_iommu_types.h | 22 ++++++++ 3 files changed, 108 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 0e494b9d5f20..0cb8fd2359f5 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -55,9 +55,94 @@ static int iommu_has_npcache(struct amd_iommu *iommu) * ****************************************************************************/ +static void iommu_print_event(void *__evt) +{ + u32 *event = __evt; + int type = (event[1] >> EVENT_TYPE_SHIFT) & EVENT_TYPE_MASK; + int devid = (event[0] >> EVENT_DEVID_SHIFT) & EVENT_DEVID_MASK; + int domid = (event[1] >> EVENT_DOMID_SHIFT) & EVENT_DOMID_MASK; + int flags = (event[1] >> EVENT_FLAGS_SHIFT) & EVENT_FLAGS_MASK; + u64 address = (u64)(((u64)event[3]) << 32) | event[2]; + + printk(KERN_ERR "AMD IOMMU: Event logged ["); + + switch (type) { + case EVENT_TYPE_ILL_DEV: + printk("ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x " + "address=0x%016llx flags=0x%04x]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + address, flags); + break; + case EVENT_TYPE_IO_FAULT: + printk("IO_PAGE_FAULT device=%02x:%02x.%x " + "domain=0x%04x address=0x%016llx flags=0x%04x]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + domid, address, flags); + break; + case EVENT_TYPE_DEV_TAB_ERR: + printk("DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x " + "address=0x%016llx flags=0x%04x]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + address, flags); + break; + case EVENT_TYPE_PAGE_TAB_ERR: + printk("PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x " + "domain=0x%04x address=0x%016llx flags=0x%04x]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + domid, address, flags); + break; + case EVENT_TYPE_ILL_CMD: + printk("ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address); + break; + case EVENT_TYPE_CMD_HARD_ERR: + printk("COMMAND_HARDWARE_ERROR address=0x%016llx " + "flags=0x%04x]\n", address, flags); + break; + case EVENT_TYPE_IOTLB_INV_TO: + printk("IOTLB_INV_TIMEOUT device=%02x:%02x.%x " + "address=0x%016llx]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + address); + break; + case EVENT_TYPE_INV_DEV_REQ: + printk("INVALID_DEVICE_REQUEST device=%02x:%02x.%x " + "address=0x%016llx flags=0x%04x]\n", + PCI_BUS(devid), PCI_SLOT(devid), PCI_FUNC(devid), + address, flags); + break; + default: + printk(KERN_ERR "UNKNOWN type=0x%02x]\n", type); + } +} + +static void iommu_poll_events(struct amd_iommu *iommu) +{ + u32 head, tail; + unsigned long flags; + + spin_lock_irqsave(&iommu->lock, flags); + + head = readl(iommu->mmio_base + MMIO_EVT_HEAD_OFFSET); + tail = readl(iommu->mmio_base + MMIO_EVT_TAIL_OFFSET); + + while (head != tail) { + iommu_print_event(iommu->evt_buf + head); + head = (head + EVENT_ENTRY_SIZE) % iommu->evt_buf_size; + } + + writel(head, iommu->mmio_base + MMIO_EVT_HEAD_OFFSET); + + spin_unlock_irqrestore(&iommu->lock, flags); +} + irqreturn_t amd_iommu_int_handler(int irq, void *data) { - return IRQ_NONE; + struct amd_iommu *iommu; + + list_for_each_entry(iommu, &amd_iommu_list, list) + iommu_poll_events(iommu); + + return IRQ_HANDLED; } /**************************************************************************** diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 14a06464a694..eed488892c01 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -32,7 +32,6 @@ /* * definitions for the ACPI scanning code */ -#define PCI_BUS(x) (((x) >> 8) & 0xff) #define IVRS_HEADER_LENGTH 48 #define ACPI_IVHD_TYPE 0x10 diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 8533f09b34b7..d8c5a6c69955 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -71,6 +71,25 @@ /* MMIO status bits */ #define MMIO_STATUS_COM_WAIT_INT_MASK 0x04 +/* event logging constants */ +#define EVENT_ENTRY_SIZE 0x10 +#define EVENT_TYPE_SHIFT 28 +#define EVENT_TYPE_MASK 0xf +#define EVENT_TYPE_ILL_DEV 0x1 +#define EVENT_TYPE_IO_FAULT 0x2 +#define EVENT_TYPE_DEV_TAB_ERR 0x3 +#define EVENT_TYPE_PAGE_TAB_ERR 0x4 +#define EVENT_TYPE_ILL_CMD 0x5 +#define EVENT_TYPE_CMD_HARD_ERR 0x6 +#define EVENT_TYPE_IOTLB_INV_TO 0x7 +#define EVENT_TYPE_INV_DEV_REQ 0x8 +#define EVENT_DEVID_MASK 0xffff +#define EVENT_DEVID_SHIFT 0 +#define EVENT_DOMID_MASK 0xffff +#define EVENT_DOMID_SHIFT 0 +#define EVENT_FLAGS_MASK 0xfff +#define EVENT_FLAGS_SHIFT 0x10 + /* feature control bits */ #define CONTROL_IOMMU_EN 0x00ULL #define CONTROL_HT_TUN_EN 0x01ULL @@ -165,6 +184,9 @@ #define MAX_DOMAIN_ID 65536 +/* FIXME: move this macro to */ +#define PCI_BUS(x) (((x) >> 8) & 0xff) + /* * This structure contains generic data for IOMMU protection domains * independent of their use. -- GitLab From 126c52be4b1d2eb667a1d140f0ceaff9d353f700 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Tue, 9 Sep 2008 16:47:35 +0200 Subject: [PATCH 1909/6244] AMD IOMMU: enable event logging The code to log IOMMU events is in place now. So enable event logging with this patch. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index eed488892c01..1974b73fece6 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -253,6 +253,13 @@ void __init iommu_enable(struct amd_iommu *iommu) iommu_feature_enable(iommu, CONTROL_IOMMU_EN); } +/* Function to enable IOMMU event logging and event interrupts */ +void __init iommu_enable_event_logging(struct amd_iommu *iommu) +{ + iommu_feature_enable(iommu, CONTROL_EVT_LOG_EN); + iommu_feature_enable(iommu, CONTROL_EVT_INT_EN); +} + /* * mapping and unmapping functions for the IOMMU MMIO space. Each AMD IOMMU in * the system has one. @@ -958,6 +965,7 @@ static void __init enable_iommus(void) list_for_each_entry(iommu, &amd_iommu_list, list) { iommu_set_exclusion_range(iommu); iommu_init_msi(iommu); + iommu_enable_event_logging(iommu); iommu_enable(iommu); } } -- GitLab From a22131a223147016041b5e5cd0ae5ab61ef4177e Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Tue, 9 Sep 2008 17:55:28 +0200 Subject: [PATCH 1910/6244] AMD IOMMU: allow IO page faults from devices There is a bit in the device entry to suppress all IO page faults generated by a device. This bit was set until now because there was no event logging. Now that there is event logging this patch allows IO page faults from devices to see them in the kernel log. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 1974b73fece6..8c1375985557 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -950,7 +950,6 @@ static void init_device_table(void) for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) { set_dev_entry_bit(devid, DEV_ENTRY_VALID); set_dev_entry_bit(devid, DEV_ENTRY_TRANSLATION); - set_dev_entry_bit(devid, DEV_ENTRY_NO_PAGE_FAULT); } } -- GitLab From b39ba6ad004a31bf2a08ba2b08c1e0f9b3530bb7 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Tue, 9 Sep 2008 18:40:46 +0200 Subject: [PATCH 1911/6244] AMD IOMMU: add dma_supported callback This function determines if the AMD IOMMU implementation is responsible for a given device. So the DMA layer can get this information from the driver. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 0cb8fd2359f5..a6a6f8ed1cf5 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1204,6 +1204,30 @@ free_mem: free_pages((unsigned long)virt_addr, get_order(size)); } +/* + * This function is called by the DMA layer to find out if we can handle a + * particular device. It is part of the dma_ops. + */ +static int amd_iommu_dma_supported(struct device *dev, u64 mask) +{ + u16 bdf; + struct pci_dev *pcidev; + + /* No device or no PCI device */ + if (!dev || dev->bus != &pci_bus_type) + return 0; + + pcidev = to_pci_dev(dev); + + bdf = calc_devid(pcidev->bus->number, pcidev->devfn); + + /* Out of our scope? */ + if (bdf > amd_iommu_last_bdf) + return 0; + + return 1; +} + /* * The function for pre-allocating protection domains. * @@ -1247,6 +1271,7 @@ static struct dma_mapping_ops amd_iommu_dma_ops = { .unmap_single = unmap_single, .map_sg = map_sg, .unmap_sg = unmap_sg, + .dma_supported = amd_iommu_dma_supported, }; /* -- GitLab From bd60b735c658e6e8c656e89771d281bcfcf51279 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 11 Sep 2008 10:24:48 +0200 Subject: [PATCH 1912/6244] AMD IOMMU: don't assign preallocated protection domains to devices In isolation mode the protection domains for the devices are preallocated and preassigned. This is bad if a device should be passed to a virtualization guest because the IOMMU code does not know if it is in use by a driver. This patch changes the code to assign the device to the preallocated domain only if there are dma mapping requests for it. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 43 +++++++++++++++++++++++++++---- include/asm-x86/amd_iommu_types.h | 6 +++++ 2 files changed, 44 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index a6a6f8ed1cf5..7c1791447451 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -33,6 +33,10 @@ static DEFINE_RWLOCK(amd_iommu_devtable_lock); +/* A list of preallocated protection domains */ +static LIST_HEAD(iommu_pd_list); +static DEFINE_SPINLOCK(iommu_pd_list_lock); + /* * general struct to manage commands send to an IOMMU */ @@ -663,6 +667,7 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu, dma_dom->next_bit = 0; dma_dom->need_flush = false; + dma_dom->target_dev = 0xffff; /* Intialize the exclusion range if necessary */ if (iommu->exclusion_start && @@ -768,6 +773,33 @@ static bool check_device(struct device *dev) return true; } +/* + * In this function the list of preallocated protection domains is traversed to + * find the domain for a specific device + */ +static struct dma_ops_domain *find_protection_domain(u16 devid) +{ + struct dma_ops_domain *entry, *ret = NULL; + unsigned long flags; + + if (list_empty(&iommu_pd_list)) + return NULL; + + spin_lock_irqsave(&iommu_pd_list_lock, flags); + + list_for_each_entry(entry, &iommu_pd_list, list) { + if (entry->target_dev == devid) { + ret = entry; + list_del(&ret->list); + break; + } + } + + spin_unlock_irqrestore(&iommu_pd_list_lock, flags); + + return ret; +} + /* * In the dma_ops path we only have the struct device. This function * finds the corresponding IOMMU, the protection domain and the @@ -803,9 +835,11 @@ static int get_device_resources(struct device *dev, *iommu = amd_iommu_rlookup_table[*bdf]; if (*iommu == NULL) return 0; - dma_dom = (*iommu)->default_dom; *domain = domain_for_device(*bdf); if (*domain == NULL) { + dma_dom = find_protection_domain(*bdf); + if (!dma_dom) + dma_dom = (*iommu)->default_dom; *domain = &dma_dom->domain; set_device_domain(*iommu, *domain, *bdf); printk(KERN_INFO "AMD IOMMU: Using protection domain %d for " @@ -1257,10 +1291,9 @@ void prealloc_protection_domains(void) if (!dma_dom) continue; init_unity_mappings_for_device(dma_dom, devid); - set_device_domain(iommu, &dma_dom->domain, devid); - printk(KERN_INFO "AMD IOMMU: Allocated domain %d for device ", - dma_dom->domain.id); - print_devid(devid, 1); + dma_dom->target_dev = devid; + + list_add_tail(&dma_dom->list, &iommu_pd_list); } } diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index d8c5a6c69955..9aa22ead22f3 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -227,6 +227,12 @@ struct dma_ops_domain { /* This will be set to true when TLB needs to be flushed */ bool need_flush; + + /* + * if this is a preallocated domain, keep the device for which it was + * preallocated in this variable + */ + u16 target_dev; }; /* -- GitLab From 38ddf41b198e21d3ecbe5752e875857b7ce7589e Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 11 Sep 2008 10:38:32 +0200 Subject: [PATCH 1913/6244] AMD IOMMU: some set_device_domain cleanups Remove some magic numbers and split the pte_root using standard functions. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 9 +++++---- include/asm-x86/amd_iommu_types.h | 3 +++ 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 7c1791447451..a34d8e915e3a 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -739,12 +739,13 @@ static void set_device_domain(struct amd_iommu *iommu, u64 pte_root = virt_to_phys(domain->pt_root); - pte_root |= (domain->mode & 0x07) << 9; - pte_root |= IOMMU_PTE_IR | IOMMU_PTE_IW | IOMMU_PTE_P | 2; + pte_root |= (domain->mode & DEV_ENTRY_MODE_MASK) + << DEV_ENTRY_MODE_SHIFT; + pte_root |= IOMMU_PTE_IR | IOMMU_PTE_IW | IOMMU_PTE_P | IOMMU_PTE_TV; write_lock_irqsave(&amd_iommu_devtable_lock, flags); - amd_iommu_dev_table[devid].data[0] = pte_root; - amd_iommu_dev_table[devid].data[1] = pte_root >> 32; + amd_iommu_dev_table[devid].data[0] = lower_32_bits(pte_root); + amd_iommu_dev_table[devid].data[1] = upper_32_bits(pte_root); amd_iommu_dev_table[devid].data[2] = domain->id; amd_iommu_pd_table[devid] = domain; diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 9aa22ead22f3..f953309a636e 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -130,6 +130,8 @@ #define DEV_ENTRY_NMI_PASS 0xba #define DEV_ENTRY_LINT0_PASS 0xbe #define DEV_ENTRY_LINT1_PASS 0xbf +#define DEV_ENTRY_MODE_MASK 0x07 +#define DEV_ENTRY_MODE_SHIFT 0x09 /* constants to configure the command buffer */ #define CMD_BUFFER_SIZE 8192 @@ -159,6 +161,7 @@ #define IOMMU_MAP_SIZE_L3 (1ULL << 39) #define IOMMU_PTE_P (1ULL << 0) +#define IOMMU_PTE_TV (1ULL << 1) #define IOMMU_PTE_U (1ULL << 59) #define IOMMU_PTE_FC (1ULL << 60) #define IOMMU_PTE_IR (1ULL << 61) -- GitLab From 13d9fead3daa0efa1b8bb6ae59650e4453b39128 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 10 Sep 2008 20:19:40 +0900 Subject: [PATCH 1914/6244] AMD IOMMU: avoid unnecessary low zone allocation in alloc_coherent x86's common alloc_coherent (dma_alloc_coherent in dma-mapping.h) sets up the gfp flag according to the device dma_mask but AMD IOMMU doesn't need it for devices that the IOMMU can do virtual mappings for. This patch avoids unnecessary low zone allocation. Signed-off-by: FUJITA Tomonori Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index a34d8e915e3a..e4866660463e 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1173,6 +1173,9 @@ static void *alloc_coherent(struct device *dev, size_t size, if (!check_device(dev)) return NULL; + if (!get_device_resources(dev, &iommu, &domain, &devid)) + flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); + virt_addr = (void *)__get_free_pages(flag, get_order(size)); if (!virt_addr) return 0; @@ -1180,8 +1183,6 @@ static void *alloc_coherent(struct device *dev, size_t size, memset(virt_addr, 0, size); paddr = virt_to_phys(virt_addr); - get_device_resources(dev, &iommu, &domain, &devid); - if (!iommu || !domain) { *dma_addr = (dma_addr_t)paddr; return virt_addr; -- GitLab From c97ac5359e6897abe22770740294dda185bac30d Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 11 Sep 2008 10:59:15 +0200 Subject: [PATCH 1915/6244] AMD IOMMU: replace memset with __GFP_ZERO in alloc_coherent Remove the memset and use __GFP_ZERO at allocation time instead. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index e4866660463e..f405a61f61fc 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1176,11 +1176,11 @@ static void *alloc_coherent(struct device *dev, size_t size, if (!get_device_resources(dev, &iommu, &domain, &devid)) flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); + flag |= __GFP_ZERO; virt_addr = (void *)__get_free_pages(flag, get_order(size)); if (!virt_addr) return 0; - memset(virt_addr, 0, size); paddr = virt_to_phys(virt_addr); if (!iommu || !domain) { -- GitLab From 6754086ce67c0a1f5d7eac612102368781e14588 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 12:17:00 +0200 Subject: [PATCH 1916/6244] AMD IOMMU: simplify dma_mask_to_pages The current calculation is very complicated. This patch replaces it with a much simpler version. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index f405a61f61fc..db64482b1796 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -472,8 +472,7 @@ static int init_unity_mappings_for_device(struct dma_ops_domain *dma_dom, ****************************************************************************/ static unsigned long dma_mask_to_pages(unsigned long mask) { - return (mask >> PAGE_SHIFT) + - (PAGE_ALIGN(mask & ~PAGE_MASK) >> PAGE_SHIFT); + return PAGE_ALIGN(mask) >> PAGE_SHIFT; } /* -- GitLab From d58befd3a0110c93d70756537b4d01d05a9e6e12 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 12:19:58 +0200 Subject: [PATCH 1917/6244] AMD IOMMU: free domain bitmap with its allocation order The amd_iommu_pd_alloc_bitmap is allocated with a calculated order and freed with order 1. This is not a bug since the calculated order always evaluates to 1, but its unclean code. So replace the 1 with the calculation in the release path. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 8c1375985557..e60f4cd29eb2 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -1144,7 +1144,8 @@ out: return ret; free: - free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1); + free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, + get_order(MAX_DOMAIN_ID/8)); free_pages((unsigned long)amd_iommu_pd_table, get_order(rlookup_table_size)); -- GitLab From 199d0d501202f077fe647a5c14fe046b17abc46b Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 16:45:59 +0200 Subject: [PATCH 1918/6244] AMD IOMMU: remove unnecessary cast to u64 in the init code The ctrl variable is only u32 and readl also returns a 32 bit value. So the cast to u64 is pointless. Remove it with this patch. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index e60f4cd29eb2..505fc04e8969 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -235,7 +235,7 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) { u32 ctrl; - ctrl = (u64)readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); + ctrl = readl(iommu->mmio_base + MMIO_CONTROL_OFFSET); ctrl &= ~(1 << bit); writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); } -- GitLab From b514e55569855bbaab782a8ec073630ed4e99c68 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 17:14:27 +0200 Subject: [PATCH 1919/6244] AMD IOMMU: calculate IVHD size with a function The current calculation of the IVHD entry size is hard to read. So move this code to a seperate function to make it more clear what this calculation does. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 505fc04e8969..80250e63bd07 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -296,6 +296,14 @@ static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu) * ****************************************************************************/ +/* + * This function calculates the length of a given IVHD entry + */ +static inline int ivhd_entry_length(u8 *ivhd) +{ + return 0x04 << (*ivhd >> 6); +} + /* * This function reads the last device id the IOMMU has to handle from the PCI * capability header for this IOMMU @@ -340,7 +348,7 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) default: break; } - p += 0x04 << (*p >> 6); + p += ivhd_entry_length(p); } WARN_ON(p != end); @@ -641,7 +649,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu, break; } - p += 0x04 << (e->type >> 6); + p += ivhd_entry_length(p); } } -- GitLab From 23c1713fe9e6ac886a4d44415298d0cbb2e83df2 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 17:18:17 +0200 Subject: [PATCH 1920/6244] AMD IOMMU: use cmd_buf_size when freeing the command buffer The command buffer release function uses the CMD_BUF_SIZE macro for get_order. Replace this with iommu->cmd_buf_size which is more reliable about the actual size of the buffer. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 80250e63bd07..db0c83af44de 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -433,7 +433,8 @@ static u8 * __init alloc_command_buffer(struct amd_iommu *iommu) static void __init free_command_buffer(struct amd_iommu *iommu) { - free_pages((unsigned long)iommu->cmd_buf, get_order(CMD_BUFFER_SIZE)); + free_pages((unsigned long)iommu->cmd_buf, + get_order(iommu->cmd_buf_size)); } /* allocates the memory where the IOMMU will log its events to */ -- GitLab From bbd001c73cb92aa8f779ae44bb89d8a5dee74ad5 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 17 Sep 2008 17:22:45 +0200 Subject: [PATCH 1921/6244] add AMD IOMMU tree to MAINTAINERS file Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index 0a613cb926c6..9ac82eab82ee 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -387,6 +387,7 @@ AMD IOMMU (AMD-VI) P: Joerg Roedel M: joerg.roedel@amd.com L: iommu@lists.linux-foundation.org +T: git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git S: Supported AMS (Apple Motion Sensor) DRIVER -- GitLab From 832a90c30485117d65180cc9a8d9869c1b158570 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 18 Sep 2008 15:54:23 +0200 Subject: [PATCH 1922/6244] AMD IOMMU: use coherent_dma_mask in alloc_coherent The alloc_coherent implementation for AMD IOMMU currently uses *dev->dma_mask per default. This patch changes it to prefer dev->coherent_dma_mask if it is set. Signed-off-by: Joerg Roedel Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu.c | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index db64482b1796..6f7b97445738 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -483,9 +483,10 @@ static unsigned long dma_mask_to_pages(unsigned long mask) static unsigned long dma_ops_alloc_addresses(struct device *dev, struct dma_ops_domain *dom, unsigned int pages, - unsigned long align_mask) + unsigned long align_mask, + u64 dma_mask) { - unsigned long limit = dma_mask_to_pages(*dev->dma_mask); + unsigned long limit = dma_mask_to_pages(dma_mask); unsigned long address; unsigned long size = dom->aperture_size >> PAGE_SHIFT; unsigned long boundary_size; @@ -919,7 +920,8 @@ static dma_addr_t __map_single(struct device *dev, phys_addr_t paddr, size_t size, int dir, - bool align) + bool align, + u64 dma_mask) { dma_addr_t offset = paddr & ~PAGE_MASK; dma_addr_t address, start; @@ -933,7 +935,8 @@ static dma_addr_t __map_single(struct device *dev, if (align) align_mask = (1UL << get_order(size)) - 1; - address = dma_ops_alloc_addresses(dev, dma_dom, pages, align_mask); + address = dma_ops_alloc_addresses(dev, dma_dom, pages, align_mask, + dma_mask); if (unlikely(address == bad_dma_address)) goto out; @@ -997,10 +1000,13 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, struct protection_domain *domain; u16 devid; dma_addr_t addr; + u64 dma_mask; if (!check_device(dev)) return bad_dma_address; + dma_mask = *dev->dma_mask; + get_device_resources(dev, &iommu, &domain, &devid); if (iommu == NULL || domain == NULL) @@ -1008,7 +1014,8 @@ static dma_addr_t map_single(struct device *dev, phys_addr_t paddr, return (dma_addr_t)paddr; spin_lock_irqsave(&domain->lock, flags); - addr = __map_single(dev, iommu, domain->priv, paddr, size, dir, false); + addr = __map_single(dev, iommu, domain->priv, paddr, size, dir, false, + dma_mask); if (addr == bad_dma_address) goto out; @@ -1080,10 +1087,13 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, struct scatterlist *s; phys_addr_t paddr; int mapped_elems = 0; + u64 dma_mask; if (!check_device(dev)) return 0; + dma_mask = *dev->dma_mask; + get_device_resources(dev, &iommu, &domain, &devid); if (!iommu || !domain) @@ -1095,7 +1105,8 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, paddr = sg_phys(s); s->dma_address = __map_single(dev, iommu, domain->priv, - paddr, s->length, dir, false); + paddr, s->length, dir, false, + dma_mask); if (s->dma_address) { s->dma_length = s->length; @@ -1168,6 +1179,7 @@ static void *alloc_coherent(struct device *dev, size_t size, struct protection_domain *domain; u16 devid; phys_addr_t paddr; + u64 dma_mask = dev->coherent_dma_mask; if (!check_device(dev)) return NULL; @@ -1187,10 +1199,13 @@ static void *alloc_coherent(struct device *dev, size_t size, return virt_addr; } + if (!dma_mask) + dma_mask = *dev->dma_mask; + spin_lock_irqsave(&domain->lock, flags); *dma_addr = __map_single(dev, iommu, domain->priv, paddr, - size, DMA_BIDIRECTIONAL, true); + size, DMA_BIDIRECTIONAL, true, dma_mask); if (*dma_addr == bad_dma_address) { free_pages((unsigned long)virt_addr, get_order(size)); -- GitLab From 6b3141962dc82cfe1c30afdf91d564b309859cbe Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 19 Sep 2008 04:16:19 -0700 Subject: [PATCH 1923/6244] dmatest: properly handle duplicate DMA channels Update the the dmatest driver so that it handles duplicate DMA channels properly. When a DMA client is notified of an available DMA channel, it must check if it has already allocated resources for that channel. If so, it should return DMA_DUP. This can happen, for example, if a DMA driver calls dma_async_device_register() more than once. Acked-by: Haavard Skinnemoen Signed-off-by: Timur Tabi Signed-off-by: Dan Williams --- drivers/dma/dmatest.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index a08d19704743..422500c6c163 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -325,6 +325,11 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) struct dmatest_thread *thread; unsigned int i; + /* Have we already been told about this channel? */ + list_for_each_entry(dtc, &dmatest_channels, node) + if (dtc->chan == chan) + return DMA_DUP; + dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC); if (!dtc) { pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id); -- GitLab From 6fdb8bd47111d3f94be221082b725ec2dec1d5c7 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 19 Sep 2008 04:16:23 -0700 Subject: [PATCH 1924/6244] drivers/dma/dmatest.c: switch a GFP_ATOMIC to GFP_KERNEL It was needlessly using the unreliable GFP_ATOMIC. Cc: Timur Tabi Acked-by: Haavard Skinnemoen Signed-off-by: Andrew Morton Signed-off-by: Dan Williams --- drivers/dma/dmatest.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 422500c6c163..d1e381e35a9e 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -330,7 +330,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan) if (dtc->chan == chan) return DMA_DUP; - dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC); + dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL); if (!dtc) { pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id); return DMA_NAK; -- GitLab From ed94493fb38a665cebcf750dfabe8a6dd13e136f Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Tue, 26 Aug 2008 13:34:19 +0200 Subject: [PATCH 1925/6244] mv643xx_eth: convert to phylib Switch mv643xx_eth from using drivers/net/mii.c to using phylib. Since the mv643xx_eth hardware does all the link state handling and PHY polling, the driver will use phylib in the "Doing it all yourself" mode described in the phylib documentation. Signed-off-by: Lennert Buytenhek Acked-by: Andy Fleming --- drivers/net/Kconfig | 2 +- drivers/net/mv643xx_eth.c | 248 ++++++++++++++++---------------------- 2 files changed, 105 insertions(+), 145 deletions(-) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 4a11296a9514..d85d76019afd 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2262,7 +2262,7 @@ config UGETH_TX_ON_DEMAND config MV643XX_ETH tristate "Marvell Discovery (643XX) and Orion ethernet support" depends on MV64360 || MV64X60 || (PPC_MULTIPLATFORM && PPC32) || PLAT_ORION - select MII + select PHYLIB help This driver supports the gigabit ethernet MACs in the Marvell Discovery PPC/MIPS chipset family (MV643XX) and diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index d0ecc440aac2..1f944a23f53d 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -48,7 +48,7 @@ #include #include #include -#include +#include #include #include #include @@ -248,9 +248,9 @@ struct mv643xx_eth_shared_private { struct mv643xx_eth_shared_private *smi; /* - * Protects access to SMI_REG, which is shared between ports. + * Provides access to local SMI interface. */ - struct mutex phy_lock; + struct mii_bus smi_bus; /* * If we have access to the error interrupt pin (which is @@ -354,14 +354,13 @@ struct mv643xx_eth_private { struct net_device *dev; - int phy_addr; + struct phy_device *phy; struct timer_list mib_counters_timer; spinlock_t mib_counters_lock; struct mib_counters mib_counters; struct work_struct tx_timeout_task; - struct mii_if_info mii; struct napi_struct napi; u8 work_link; @@ -1076,62 +1075,50 @@ static int smi_wait_ready(struct mv643xx_eth_shared_private *msp) return 0; } -static int smi_reg_read(struct mv643xx_eth_private *mp, - unsigned int addr, unsigned int reg) +static int smi_bus_read(struct mii_bus *bus, int addr, int reg) { - struct mv643xx_eth_shared_private *msp = mp->shared->smi; + struct mv643xx_eth_shared_private *msp = bus->priv; void __iomem *smi_reg = msp->base + SMI_REG; int ret; - mutex_lock(&msp->phy_lock); - if (smi_wait_ready(msp)) { - printk("%s: SMI bus busy timeout\n", mp->dev->name); - ret = -ETIMEDOUT; - goto out; + printk("mv643xx_eth: SMI bus busy timeout\n"); + return -ETIMEDOUT; } writel(SMI_OPCODE_READ | (reg << 21) | (addr << 16), smi_reg); if (smi_wait_ready(msp)) { - printk("%s: SMI bus busy timeout\n", mp->dev->name); - ret = -ETIMEDOUT; - goto out; + printk("mv643xx_eth: SMI bus busy timeout\n"); + return -ETIMEDOUT; } ret = readl(smi_reg); if (!(ret & SMI_READ_VALID)) { - printk("%s: SMI bus read not valid\n", mp->dev->name); - ret = -ENODEV; - goto out; + printk("mv643xx_eth: SMI bus read not valid\n"); + return -ENODEV; } - ret &= 0xffff; - -out: - mutex_unlock(&msp->phy_lock); - - return ret; + return ret & 0xffff; } -static int smi_reg_write(struct mv643xx_eth_private *mp, unsigned int addr, - unsigned int reg, unsigned int value) +static int smi_bus_write(struct mii_bus *bus, int addr, int reg, u16 val) { - struct mv643xx_eth_shared_private *msp = mp->shared->smi; + struct mv643xx_eth_shared_private *msp = bus->priv; void __iomem *smi_reg = msp->base + SMI_REG; - mutex_lock(&msp->phy_lock); - if (smi_wait_ready(msp)) { - printk("%s: SMI bus busy timeout\n", mp->dev->name); - mutex_unlock(&msp->phy_lock); + printk("mv643xx_eth: SMI bus busy timeout\n"); return -ETIMEDOUT; } writel(SMI_OPCODE_WRITE | (reg << 21) | - (addr << 16) | (value & 0xffff), smi_reg); + (addr << 16) | (val & 0xffff), smi_reg); - mutex_unlock(&msp->phy_lock); + if (smi_wait_ready(msp)) { + printk("mv643xx_eth: SMI bus busy timeout\n"); + return -ETIMEDOUT; + } return 0; } @@ -1287,7 +1274,9 @@ static int mv643xx_eth_get_settings(struct net_device *dev, struct ethtool_cmd * struct mv643xx_eth_private *mp = netdev_priv(dev); int err; - err = mii_ethtool_gset(&mp->mii, cmd); + err = phy_read_status(mp->phy); + if (err == 0) + err = phy_ethtool_gset(mp->phy, cmd); /* * The MAC does not support 1000baseT_Half. @@ -1341,7 +1330,7 @@ static int mv643xx_eth_set_settings(struct net_device *dev, struct ethtool_cmd * */ cmd->advertising &= ~ADVERTISED_1000baseT_Half; - return mii_ethtool_sset(&mp->mii, cmd); + return phy_ethtool_sset(mp->phy, cmd); } static int mv643xx_eth_set_settings_phyless(struct net_device *dev, struct ethtool_cmd *cmd) @@ -1363,7 +1352,7 @@ static int mv643xx_eth_nway_reset(struct net_device *dev) { struct mv643xx_eth_private *mp = netdev_priv(dev); - return mii_nway_restart(&mp->mii); + return genphy_restart_aneg(mp->phy); } static int mv643xx_eth_nway_reset_phyless(struct net_device *dev) @@ -1373,14 +1362,7 @@ static int mv643xx_eth_nway_reset_phyless(struct net_device *dev) static u32 mv643xx_eth_get_link(struct net_device *dev) { - struct mv643xx_eth_private *mp = netdev_priv(dev); - - return mii_link_ok(&mp->mii); -} - -static u32 mv643xx_eth_get_link_phyless(struct net_device *dev) -{ - return 1; + return !!netif_carrier_ok(dev); } static void mv643xx_eth_get_strings(struct net_device *dev, @@ -1448,7 +1430,7 @@ static const struct ethtool_ops mv643xx_eth_ethtool_ops_phyless = { .set_settings = mv643xx_eth_set_settings_phyless, .get_drvinfo = mv643xx_eth_get_drvinfo, .nway_reset = mv643xx_eth_nway_reset_phyless, - .get_link = mv643xx_eth_get_link_phyless, + .get_link = mv643xx_eth_get_link, .set_sg = ethtool_op_set_sg, .get_strings = mv643xx_eth_get_strings, .get_ethtool_stats = mv643xx_eth_get_ethtool_stats, @@ -1941,16 +1923,16 @@ static void phy_reset(struct mv643xx_eth_private *mp) { int data; - data = smi_reg_read(mp, mp->phy_addr, MII_BMCR); + data = phy_read(mp->phy, MII_BMCR); if (data < 0) return; data |= BMCR_RESET; - if (smi_reg_write(mp, mp->phy_addr, MII_BMCR, data) < 0) + if (phy_write(mp->phy, MII_BMCR, data) < 0) return; do { - data = smi_reg_read(mp, mp->phy_addr, MII_BMCR); + data = phy_read(mp->phy, MII_BMCR); } while (data >= 0 && data & BMCR_RESET); } @@ -1962,7 +1944,7 @@ static void port_start(struct mv643xx_eth_private *mp) /* * Perform PHY reset, if there is a PHY. */ - if (mp->phy_addr != -1) { + if (mp->phy != NULL) { struct ethtool_cmd cmd; mv643xx_eth_get_settings(mp->dev, &cmd); @@ -1979,7 +1961,7 @@ static void port_start(struct mv643xx_eth_private *mp) wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr); pscr |= DO_NOT_FORCE_LINK_FAIL; - if (mp->phy_addr == -1) + if (mp->phy == NULL) pscr |= FORCE_LINK_PASS; wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr); @@ -2188,8 +2170,8 @@ static int mv643xx_eth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct mv643xx_eth_private *mp = netdev_priv(dev); - if (mp->phy_addr != -1) - return generic_mii_ioctl(&mp->mii, if_mii(ifr), cmd, NULL); + if (mp->phy != NULL) + return phy_mii_ioctl(mp->phy, if_mii(ifr), cmd); return -EOPNOTSUPP; } @@ -2259,18 +2241,6 @@ static void mv643xx_eth_netpoll(struct net_device *dev) } #endif -static int mv643xx_eth_mdio_read(struct net_device *dev, int addr, int reg) -{ - struct mv643xx_eth_private *mp = netdev_priv(dev); - return smi_reg_read(mp, addr, reg); -} - -static void mv643xx_eth_mdio_write(struct net_device *dev, int addr, int reg, int val) -{ - struct mv643xx_eth_private *mp = netdev_priv(dev); - smi_reg_write(mp, addr, reg, val); -} - /* platform glue ************************************************************/ static void @@ -2365,11 +2335,23 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) if (msp->base == NULL) goto out_free; - msp->smi = msp; - if (pd != NULL && pd->shared_smi != NULL) + /* + * Set up and register SMI bus. + */ + if (pd == NULL || pd->shared_smi == NULL) { + msp->smi_bus.priv = msp; + msp->smi_bus.name = "mv643xx_eth smi"; + msp->smi_bus.read = smi_bus_read; + msp->smi_bus.write = smi_bus_write, + snprintf(msp->smi_bus.id, MII_BUS_ID_SIZE, "%d", pdev->id); + msp->smi_bus.dev = &pdev->dev; + msp->smi_bus.phy_mask = 0xffffffff; + if (mdiobus_register(&msp->smi_bus) < 0) + goto out_unmap; + msp->smi = msp; + } else { msp->smi = platform_get_drvdata(pd->shared_smi); - - mutex_init(&msp->phy_lock); + } msp->err_interrupt = NO_IRQ; init_waitqueue_head(&msp->smi_busy_wait); @@ -2405,6 +2387,8 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) return 0; +out_unmap: + iounmap(msp->base); out_free: kfree(msp); out: @@ -2414,7 +2398,10 @@ out: static int mv643xx_eth_shared_remove(struct platform_device *pdev) { struct mv643xx_eth_shared_private *msp = platform_get_drvdata(pdev); + struct mv643xx_eth_shared_platform_data *pd = pdev->dev.platform_data; + if (pd == NULL || pd->shared_smi == NULL) + mdiobus_unregister(&msp->smi_bus); if (msp->err_interrupt != NO_IRQ) free_irq(msp->err_interrupt, msp); iounmap(msp->base); @@ -2462,17 +2449,6 @@ static void set_params(struct mv643xx_eth_private *mp, else uc_addr_get(mp, dev->dev_addr); - if (pd->phy_addr == MV643XX_ETH_PHY_NONE) { - mp->phy_addr = -1; - } else { - if (pd->phy_addr != MV643XX_ETH_PHY_ADDR_DEFAULT) { - mp->phy_addr = pd->phy_addr & 0x3f; - phy_addr_set(mp, mp->phy_addr); - } else { - mp->phy_addr = phy_addr_get(mp); - } - } - mp->default_rx_ring_size = DEFAULT_RX_QUEUE_SIZE; if (pd->rx_queue_size) mp->default_rx_ring_size = pd->rx_queue_size; @@ -2490,76 +2466,60 @@ static void set_params(struct mv643xx_eth_private *mp, mp->txq_count = pd->tx_queue_count ? : 1; } -static int phy_detect(struct mv643xx_eth_private *mp) +static struct phy_device *phy_scan(struct mv643xx_eth_private *mp, + int phy_addr) { - int data; - int data2; + struct mii_bus *bus = &mp->shared->smi->smi_bus; + struct phy_device *phydev; + int start; + int num; + int i; - data = smi_reg_read(mp, mp->phy_addr, MII_BMCR); - if (data < 0) - return -ENODEV; + if (phy_addr == MV643XX_ETH_PHY_ADDR_DEFAULT) { + start = phy_addr_get(mp) & 0x1f; + num = 32; + } else { + start = phy_addr & 0x1f; + num = 1; + } - if (smi_reg_write(mp, mp->phy_addr, MII_BMCR, data ^ BMCR_ANENABLE) < 0) - return -ENODEV; + phydev = NULL; + for (i = 0; i < num; i++) { + int addr = (start + i) & 0x1f; - data2 = smi_reg_read(mp, mp->phy_addr, MII_BMCR); - if (data2 < 0) - return -ENODEV; + if (bus->phy_map[addr] == NULL) + mdiobus_scan(bus, addr); - if (((data ^ data2) & BMCR_ANENABLE) == 0) - return -ENODEV; - - smi_reg_write(mp, mp->phy_addr, MII_BMCR, data); + if (phydev == NULL) { + phydev = bus->phy_map[addr]; + if (phydev != NULL) + phy_addr_set(mp, addr); + } + } - return 0; + return phydev; } -static int phy_init(struct mv643xx_eth_private *mp, - struct mv643xx_eth_platform_data *pd) +static void phy_init(struct mv643xx_eth_private *mp, int speed, int duplex) { - struct ethtool_cmd cmd; - int err; + struct phy_device *phy = mp->phy; - err = phy_detect(mp); - if (err) { - dev_printk(KERN_INFO, &mp->dev->dev, - "no PHY detected at addr %d\n", mp->phy_addr); - return err; - } phy_reset(mp); - mp->mii.phy_id = mp->phy_addr; - mp->mii.phy_id_mask = 0x3f; - mp->mii.reg_num_mask = 0x1f; - mp->mii.dev = mp->dev; - mp->mii.mdio_read = mv643xx_eth_mdio_read; - mp->mii.mdio_write = mv643xx_eth_mdio_write; - - mp->mii.supports_gmii = mii_check_gmii_support(&mp->mii); - - memset(&cmd, 0, sizeof(cmd)); - - cmd.port = PORT_MII; - cmd.transceiver = XCVR_INTERNAL; - cmd.phy_address = mp->phy_addr; - if (pd->speed == 0) { - cmd.autoneg = AUTONEG_ENABLE; - cmd.speed = SPEED_100; - cmd.advertising = ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full; - if (mp->mii.supports_gmii) - cmd.advertising |= ADVERTISED_1000baseT_Full; + phy_attach(mp->dev, phy->dev.bus_id, 0, PHY_INTERFACE_MODE_GMII); + + if (speed == 0) { + phy->autoneg = AUTONEG_ENABLE; + phy->speed = 0; + phy->duplex = 0; + phy->advertising = phy->supported | ADVERTISED_Autoneg; } else { - cmd.autoneg = AUTONEG_DISABLE; - cmd.speed = pd->speed; - cmd.duplex = pd->duplex; + phy->autoneg = AUTONEG_DISABLE; + phy->advertising = 0; + phy->speed = speed; + phy->duplex = duplex; } - - mv643xx_eth_set_settings(mp->dev, &cmd); - - return 0; + phy_start_aneg(phy); } static void init_pscr(struct mv643xx_eth_private *mp, int speed, int duplex) @@ -2573,7 +2533,7 @@ static void init_pscr(struct mv643xx_eth_private *mp, int speed, int duplex) } pscr = MAX_RX_PACKET_9700BYTE | SERIAL_PORT_CONTROL_RESERVED; - if (mp->phy_addr == -1) { + if (mp->phy == NULL) { pscr |= DISABLE_AUTO_NEG_SPEED_GMII; if (speed == SPEED_1000) pscr |= SET_GMII_SPEED_TO_1000; @@ -2627,18 +2587,16 @@ static int mv643xx_eth_probe(struct platform_device *pdev) set_params(mp, pd); dev->real_num_tx_queues = mp->txq_count; - mib_counters_clear(mp); - INIT_WORK(&mp->tx_timeout_task, tx_timeout_task); - - if (mp->phy_addr != -1) { - err = phy_init(mp, pd); - if (err) - goto out; + if (pd->phy_addr != MV643XX_ETH_PHY_NONE) + mp->phy = phy_scan(mp, pd->phy_addr); + if (mp->phy != NULL) { + phy_init(mp, pd->speed, pd->duplex); SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops); } else { SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops_phyless); } + init_pscr(mp, pd->speed, pd->duplex); @@ -2711,6 +2669,8 @@ static int mv643xx_eth_remove(struct platform_device *pdev) struct mv643xx_eth_private *mp = platform_get_drvdata(pdev); unregister_netdev(mp->dev); + if (mp->phy != NULL) + phy_detach(mp->phy); flush_scheduled_work(); free_netdev(mp->dev); -- GitLab From 042af53c7839282de15cc7fd7ad8ab938d74ab7c Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Sun, 24 Aug 2008 09:01:57 +0200 Subject: [PATCH 1926/6244] mv643xx_eth: bump version to 1.4 Signed-off-by: Lennert Buytenhek --- drivers/net/mv643xx_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 1f944a23f53d..55aa8ba7e0f2 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -55,7 +55,7 @@ #include static char mv643xx_eth_driver_name[] = "mv643xx_eth"; -static char mv643xx_eth_driver_version[] = "1.3"; +static char mv643xx_eth_driver_version[] = "1.4"; /* -- GitLab From b38fd42ff46a4a31dced8533e8a6e549693500b6 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 16 Jul 2008 16:17:08 -0500 Subject: [PATCH 1927/6244] powerpc/fsl-booke: Fixup 64-bit PTE reading for SMP support We need to create a false data dependency to ensure the loads of the pte are done in the right order. Signed-off-by: Kumar Gala --- arch/powerpc/kernel/head_fsl_booke.S | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 3cb52fa0eda3..377e0c155c95 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -579,13 +579,19 @@ interrupt_base: FIND_PTE andc. r13,r13,r11 /* Check permission */ - bne 2f /* Bail if permission mismach */ #ifdef CONFIG_PTE_64BIT - lwz r13, 0(r12) +#ifdef CONFIG_SMP + subf r10,r11,r12 /* create false data dep */ + lwzx r13,r11,r10 /* Get upper pte bits */ +#else + lwz r13,0(r12) /* Get upper pte bits */ +#endif #endif - /* Jump to common tlb load */ + bne 2f /* Bail if permission/valid mismach */ + + /* Jump to common tlb load */ b finish_tlb_load 2: /* The bailout. Restore registers to pre-exception conditions @@ -640,10 +646,20 @@ interrupt_base: FIND_PTE andc. r13,r13,r11 /* Check permission */ + +#ifdef CONFIG_PTE_64BIT +#ifdef CONFIG_SMP + subf r10,r11,r12 /* create false data dep */ + lwzx r13,r11,r10 /* Get upper pte bits */ +#else + lwz r13,0(r12) /* Get upper pte bits */ +#endif +#endif + bne 2f /* Bail if permission mismach */ #ifdef CONFIG_PTE_64BIT - lwz r13, 0(r12) + lwz r13,0(r12) #endif /* Jump to common TLB load point */ @@ -702,7 +718,7 @@ interrupt_base: /* * Both the instruction and data TLB miss get to this * point to load the TLB. - * r10 - EA of fault + * r10 - available to use * r11 - TLB (info from Linux PTE) * r12 - available to use * r13 - upper bits of PTE (if PTE_64BIT) or available to use -- GitLab From 8b05cefca73bfbd98c89f16327f5d7da52ab7c3c Mon Sep 17 00:00:00 2001 From: Becky Bruce Date: Fri, 12 Sep 2008 10:42:56 -0500 Subject: [PATCH 1928/6244] cpm_uart: Pass actual dev ptr to dma_* in ucc and cpm_uart serial We're currently passing NULL, and really shouldn't be. Signed-off-by: Becky Bruce Acked-By: Timur Tabi Signed-off-by: Kumar Gala --- drivers/serial/cpm_uart/cpm_uart_core.c | 3 +++ drivers/serial/cpm_uart/cpm_uart_cpm1.c | 6 +++--- drivers/serial/cpm_uart/cpm_uart_cpm2.c | 6 +++--- drivers/serial/ucc_uart.c | 4 ++-- 4 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 25efca5a7a1f..a6c4d744495e 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -1333,6 +1333,9 @@ static int __devinit cpm_uart_probe(struct of_device *ofdev, if (ret) return ret; + /* initialize the device pointer for the port */ + pinfo->port.dev = &ofdev->dev; + return uart_add_one_port(&cpm_reg, &pinfo->port); } diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index 0f0aff06c596..1b94c56ec239 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -100,7 +100,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) mem_addr = (u8 *) cpm_dpram_addr(cpm_dpalloc(memsz, 8)); dma_addr = (u32)cpm_dpram_phys(mem_addr); } else - mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr, + mem_addr = dma_alloc_coherent(pinfo->port.dev, memsz, &dma_addr, GFP_KERNEL); if (mem_addr == NULL) { @@ -127,8 +127,8 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) void cpm_uart_freebuf(struct uart_cpm_port *pinfo) { - dma_free_coherent(NULL, L1_CACHE_ALIGN(pinfo->rx_nrfifos * - pinfo->rx_fifosize) + + dma_free_coherent(pinfo->port.dev, L1_CACHE_ALIGN(pinfo->rx_nrfifos * + pinfo->rx_fifosize) + L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize), pinfo->mem_addr, pinfo->dma_addr); diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c index b8db4d3eed36..141c0a3333ad 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c @@ -136,7 +136,7 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) dma_addr = virt_to_bus(mem_addr); } else - mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr, + mem_addr = dma_alloc_coherent(pinfo->port.dev, memsz, &dma_addr, GFP_KERNEL); if (mem_addr == NULL) { @@ -163,8 +163,8 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) void cpm_uart_freebuf(struct uart_cpm_port *pinfo) { - dma_free_coherent(NULL, L1_CACHE_ALIGN(pinfo->rx_nrfifos * - pinfo->rx_fifosize) + + dma_free_coherent(pinfo->port.dev, L1_CACHE_ALIGN(pinfo->rx_nrfifos * + pinfo->rx_fifosize) + L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize), (void __force *)pinfo->mem_addr, pinfo->dma_addr); diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c index 5c5d18dcb6ac..539c933b335f 100644 --- a/drivers/serial/ucc_uart.c +++ b/drivers/serial/ucc_uart.c @@ -1009,7 +1009,7 @@ static int qe_uart_request_port(struct uart_port *port) rx_size = L1_CACHE_ALIGN(qe_port->rx_nrfifos * qe_port->rx_fifosize); tx_size = L1_CACHE_ALIGN(qe_port->tx_nrfifos * qe_port->tx_fifosize); - bd_virt = dma_alloc_coherent(NULL, rx_size + tx_size, &bd_dma_addr, + bd_virt = dma_alloc_coherent(port->dev, rx_size + tx_size, &bd_dma_addr, GFP_KERNEL); if (!bd_virt) { dev_err(port->dev, "could not allocate buffer descriptors\n"); @@ -1051,7 +1051,7 @@ static void qe_uart_release_port(struct uart_port *port) container_of(port, struct uart_qe_port, port); struct ucc_slow_private *uccs = qe_port->us_private; - dma_free_coherent(NULL, qe_port->bd_size, qe_port->bd_virt, + dma_free_coherent(port->dev, qe_port->bd_size, qe_port->bd_virt, qe_port->bd_dma_addr); ucc_slow_free(uccs); -- GitLab From 02a1416478b70cd49bd74827438c8ba797784728 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Sep 2008 12:44:54 -0700 Subject: [PATCH 1929/6244] net: Fix build with ARCH=um If UM is going to claim that it supports DMA by setting HAS_DMA, it should provide a dma_mapping_error() implementation. Based upon a report by Julius Volz. Signed-off-by: David S. Miller --- include/asm-um/dma-mapping.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/asm-um/dma-mapping.h b/include/asm-um/dma-mapping.h index f0ee4fb55911..90fc708b320e 100644 --- a/include/asm-um/dma-mapping.h +++ b/include/asm-um/dma-mapping.h @@ -118,4 +118,11 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, BUG(); } +static inline int +dma_mapping_error(struct device *dev, dma_addr_t dma_handle) +{ + BUG(); + return 0; +} + #endif -- GitLab From 53159d06cb07517422f977591264ca9bf806febb Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Sep 2008 16:13:05 -0700 Subject: [PATCH 1930/6244] qlge: Fix warnings in debugging code. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit drivers/net/qlge/qlge_dbg.c: In function ‘ql_dump_qdev’: drivers/net/qlge/qlge_dbg.c:369: warning: cast to pointer from integer of different size drivers/net/qlge/qlge_dbg.c:373: warning: cast to pointer from integer of different size drivers/net/qlge/qlge_dbg.c: In function ‘ql_dump_tx_ring’: drivers/net/qlge/qlge_dbg.c:457: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:461: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c: In function ‘ql_dump_rx_ring’: drivers/net/qlge/qlge_dbg.c:557: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:565: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:575: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:579: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:598: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ drivers/net/qlge/qlge_dbg.c:602: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 2 has type ‘long unsigned int’ Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_dbg.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c index f0392b166170..47df304a02c8 100644 --- a/drivers/net/qlge/qlge_dbg.c +++ b/drivers/net/qlge/qlge_dbg.c @@ -365,12 +365,12 @@ void ql_dump_qdev(struct ql_adapter *qdev) qdev->msg_enable); printk(KERN_ERR PFX "qdev->rx_ring_shadow_reg_area = %p.\n", qdev->rx_ring_shadow_reg_area); - printk(KERN_ERR PFX "qdev->rx_ring_shadow_reg_dma = %p.\n", - (void *)qdev->rx_ring_shadow_reg_dma); + printk(KERN_ERR PFX "qdev->rx_ring_shadow_reg_dma = %llx.\n", + (unsigned long long) qdev->rx_ring_shadow_reg_dma); printk(KERN_ERR PFX "qdev->tx_ring_shadow_reg_area = %p.\n", qdev->tx_ring_shadow_reg_area); - printk(KERN_ERR PFX "qdev->tx_ring_shadow_reg_dma = %p.\n", - (void *)qdev->tx_ring_shadow_reg_dma); + printk(KERN_ERR PFX "qdev->tx_ring_shadow_reg_dma = %llx.\n", + (unsigned long long) qdev->tx_ring_shadow_reg_dma); printk(KERN_ERR PFX "qdev->intr_count = %d.\n", qdev->intr_count); if (qdev->msi_x_entry) @@ -454,11 +454,11 @@ void ql_dump_tx_ring(struct tx_ring *tx_ring) tx_ring->wq_id); printk(KERN_ERR PFX "tx_ring->base = %p.\n", tx_ring->wq_base); printk(KERN_ERR PFX "tx_ring->base_dma = 0x%llx.\n", - (u64) tx_ring->wq_base_dma); + (unsigned long long) tx_ring->wq_base_dma); printk(KERN_ERR PFX "tx_ring->cnsmr_idx_sh_reg = %p.\n", tx_ring->cnsmr_idx_sh_reg); printk(KERN_ERR PFX "tx_ring->cnsmr_idx_sh_reg_dma = 0x%llx.\n", - (u64) tx_ring->cnsmr_idx_sh_reg_dma); + (unsigned long long) tx_ring->cnsmr_idx_sh_reg_dma); printk(KERN_ERR PFX "tx_ring->size = %d.\n", tx_ring->wq_size); printk(KERN_ERR PFX "tx_ring->len = %d.\n", tx_ring->wq_len); printk(KERN_ERR PFX "tx_ring->prod_idx_db_reg = %p.\n", @@ -554,7 +554,7 @@ void ql_dump_rx_ring(struct rx_ring *rx_ring) printk(KERN_ERR PFX "rx_ring->cqicb = %p.\n", &rx_ring->cqicb); printk(KERN_ERR PFX "rx_ring->cq_base = %p.\n", rx_ring->cq_base); printk(KERN_ERR PFX "rx_ring->cq_base_dma = %llx.\n", - (u64) rx_ring->cq_base_dma); + (unsigned long long) rx_ring->cq_base_dma); printk(KERN_ERR PFX "rx_ring->cq_size = %d.\n", rx_ring->cq_size); printk(KERN_ERR PFX "rx_ring->cq_len = %d.\n", rx_ring->cq_len); printk(KERN_ERR PFX @@ -562,7 +562,7 @@ void ql_dump_rx_ring(struct rx_ring *rx_ring) rx_ring->prod_idx_sh_reg, rx_ring->prod_idx_sh_reg ? *(rx_ring->prod_idx_sh_reg) : 0); printk(KERN_ERR PFX "rx_ring->prod_idx_sh_reg_dma = %llx.\n", - (u64) rx_ring->prod_idx_sh_reg_dma); + (unsigned long long) rx_ring->prod_idx_sh_reg_dma); printk(KERN_ERR PFX "rx_ring->cnsmr_idx_db_reg = %p.\n", rx_ring->cnsmr_idx_db_reg); printk(KERN_ERR PFX "rx_ring->cnsmr_idx = %d.\n", rx_ring->cnsmr_idx); @@ -572,11 +572,11 @@ void ql_dump_rx_ring(struct rx_ring *rx_ring) printk(KERN_ERR PFX "rx_ring->lbq_base = %p.\n", rx_ring->lbq_base); printk(KERN_ERR PFX "rx_ring->lbq_base_dma = %llx.\n", - (u64) rx_ring->lbq_base_dma); + (unsigned long long) rx_ring->lbq_base_dma); printk(KERN_ERR PFX "rx_ring->lbq_base_indirect = %p.\n", rx_ring->lbq_base_indirect); printk(KERN_ERR PFX "rx_ring->lbq_base_indirect_dma = %llx.\n", - (u64) rx_ring->lbq_base_indirect_dma); + (unsigned long long) rx_ring->lbq_base_indirect_dma); printk(KERN_ERR PFX "rx_ring->lbq = %p.\n", rx_ring->lbq); printk(KERN_ERR PFX "rx_ring->lbq_len = %d.\n", rx_ring->lbq_len); printk(KERN_ERR PFX "rx_ring->lbq_size = %d.\n", rx_ring->lbq_size); @@ -595,11 +595,11 @@ void ql_dump_rx_ring(struct rx_ring *rx_ring) printk(KERN_ERR PFX "rx_ring->sbq_base = %p.\n", rx_ring->sbq_base); printk(KERN_ERR PFX "rx_ring->sbq_base_dma = %llx.\n", - (u64) rx_ring->sbq_base_dma); + (unsigned long long) rx_ring->sbq_base_dma); printk(KERN_ERR PFX "rx_ring->sbq_base_indirect = %p.\n", rx_ring->sbq_base_indirect); printk(KERN_ERR PFX "rx_ring->sbq_base_indirect_dma = %llx.\n", - (u64) rx_ring->sbq_base_indirect_dma); + (unsigned long long) rx_ring->sbq_base_indirect_dma); printk(KERN_ERR PFX "rx_ring->sbq = %p.\n", rx_ring->sbq); printk(KERN_ERR PFX "rx_ring->sbq_len = %d.\n", rx_ring->sbq_len); printk(KERN_ERR PFX "rx_ring->sbq_size = %d.\n", rx_ring->sbq_size); -- GitLab From 04da2cf9bb133355b7073be25ef3ce88c8edc135 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Sep 2008 16:14:24 -0700 Subject: [PATCH 1931/6244] qlge: Protect qlge_resume() with CONFIG_PM MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes the following build warning: drivers/net/qlge/qlge_main.c:3897: warning: ‘qlge_resume’ defined but not used Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index ad878e2b9ded..3af822b6226e 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -3893,6 +3893,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } +#ifdef CONFIG_PM static int qlge_resume(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); @@ -3921,6 +3922,7 @@ static int qlge_resume(struct pci_dev *pdev) return 0; } +#endif /* CONFIG_PM */ static void qlge_shutdown(struct pci_dev *pdev) { -- GitLab From 69c010b24560be5ca7667e94a352183e60ed205e Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Sep 2008 21:17:43 -0700 Subject: [PATCH 1932/6244] sparc32: Use PROM device probing for sun4m irq registers. Signed-off-by: David S. Miller --- arch/sparc/kernel/entry.S | 40 ++++----- arch/sparc/kernel/sun4m_irq.c | 163 +++++++++++----------------------- 2 files changed, 74 insertions(+), 129 deletions(-) diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 68689facaaae..faf9ccd9ef5d 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -272,17 +272,18 @@ smp4m_ticker: */ maybe_smp4m_msg: GET_PROCESSOR4M_ID(o3) - set sun4m_interrupts, %l5 - ld [%l5], %o5 + sethi %hi(sun4m_irq_percpu), %l5 + sll %o3, 2, %o3 + or %l5, %lo(sun4m_irq_percpu), %o5 sethi %hi(0x40000000), %o2 - sll %o3, 12, %o3 ld [%o5 + %o3], %o1 - andcc %o1, %o2, %g0 + ld [%o1 + 0x00], %o3 ! sun4m_irq_percpu[cpu]->pending + andcc %o3, %o2, %g0 be,a smp4m_ticker cmp %l7, 14 - st %o2, [%o5 + 0x4] + st %o2, [%o1 + 0x04] ! sun4m_irq_percpu[cpu]->clear=0x40000000 WRITE_PAUSE - ld [%o5], %g0 + ld [%o1 + 0x00], %g0 ! sun4m_irq_percpu[cpu]->pending WRITE_PAUSE or %l0, PSR_PIL, %l4 wr %l4, 0x0, %psr @@ -300,16 +301,16 @@ linux_trap_ipi15_sun4m: SAVE_ALL sethi %hi(0x80000000), %o2 GET_PROCESSOR4M_ID(o0) - set sun4m_interrupts, %l5 - ld [%l5], %o5 - sll %o0, 12, %o0 - add %o5, %o0, %o5 - ld [%o5], %o3 + sethi %hi(sun4m_irq_percpu), %l5 + or %l5, %lo(sun4m_irq_percpu), %o5 + sll %o0, 2, %o0 + ld [%o5 + %o0], %o5 + ld [%o5 + 0x00], %o3 ! sun4m_irq_percpu[cpu]->pending andcc %o3, %o2, %g0 be 1f ! Must be an NMI async memory error - st %o2, [%o5 + 4] + st %o2, [%o5 + 0x04] ! sun4m_irq_percpu[cpu]->clear=0x80000000 WRITE_PAUSE - ld [%o5], %g0 + ld [%o5 + 0x00], %g0 ! sun4m_irq_percpu[cpu]->pending WRITE_PAUSE or %l0, PSR_PIL, %l4 wr %l4, 0x0, %psr @@ -323,12 +324,11 @@ linux_trap_ipi15_sun4m: 1: /* NMI async memory error handling. */ sethi %hi(0x80000000), %l4 - sethi %hi(0x4000), %o3 - sub %o5, %o0, %o5 - add %o5, %o3, %l5 - st %l4, [%l5 + 0xc] + sethi %hi(sun4m_irq_global), %o5 + ld [%o5 + %lo(sun4m_irq_global)], %l5 + st %l4, [%l5 + 0x0c] ! sun4m_irq_global->mask_set=0x80000000 WRITE_PAUSE - ld [%l5], %g0 + ld [%l5 + 0x00], %g0 ! sun4m_irq_global->pending WRITE_PAUSE or %l0, PSR_PIL, %l4 wr %l4, 0x0, %psr @@ -337,9 +337,9 @@ linux_trap_ipi15_sun4m: WRITE_PAUSE call sun4m_nmi nop - st %l4, [%l5 + 0x8] + st %l4, [%l5 + 0x08] ! sun4m_irq_global->mask_clear=0x80000000 WRITE_PAUSE - ld [%l5], %g0 + ld [%l5 + 0x00], %g0 ! sun4m_irq_global->pending WRITE_PAUSE RESTORE_ALL diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 5b17146f0c1f..39d40e96d396 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -41,53 +41,25 @@ #include "irq.h" -/* On the sun4m, just like the timers, we have both per-cpu and master - * interrupt registers. - */ - -/* These registers are used for sending/receiving irqs from/to - * different cpu's. - */ -struct sun4m_intreg_percpu { - unsigned int tbt; /* Interrupts still pending for this cpu. */ - - /* These next two registers are WRITE-ONLY and are only - * "on bit" sensitive, "off bits" written have NO affect. - */ - unsigned int clear; /* Clear this cpus irqs here. */ - unsigned int set; /* Set this cpus irqs here. */ - unsigned char space[PAGE_SIZE - 12]; +struct sun4m_irq_percpu { + u32 pending; + u32 clear; + u32 set; }; -/* - * djhr - * Actually the clear and set fields in this struct are misleading.. - * according to the SLAVIO manual (and the same applies for the SEC) - * the clear field clears bits in the mask which will ENABLE that IRQ - * the set field sets bits in the mask to DISABLE the IRQ. - * - * Also the undirected_xx address in the SLAVIO is defined as - * RESERVED and write only.. - * - * DAVEM_NOTE: The SLAVIO only specifies behavior on uniprocessor - * sun4m machines, for MP the layout makes more sense. - */ -struct sun4m_intregs { - struct sun4m_intreg_percpu cpu_intregs[SUN4M_NCPUS]; - unsigned int tbt; /* IRQ's that are still pending. */ - unsigned int irqs; /* Master IRQ bits. */ - - /* Again, like the above, two these registers are WRITE-ONLY. */ - unsigned int clear; /* Clear master IRQ's by setting bits here. */ - unsigned int set; /* Set master IRQ's by setting bits here. */ - - /* This register is both READ and WRITE. */ - unsigned int undirected_target; /* Which cpu gets undirected irqs. */ +struct sun4m_irq_global { + u32 pending; + u32 mask; + u32 mask_clear; + u32 mask_set; + u32 interrupt_target; }; -static unsigned long dummy; +/* Code in entry.S needs to get at these register mappings. */ +struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS]; +struct sun4m_irq_global __iomem *sun4m_irq_global; -struct sun4m_intregs *sun4m_interrupts; +static unsigned long dummy; unsigned long *irq_rcvreg = &dummy; /* Dave Redman (djhr@tadpole.co.uk) @@ -182,9 +154,9 @@ static void sun4m_disable_irq(unsigned int irq_nr) mask = sun4m_get_irqmask(irq_nr); local_irq_save(flags); if (irq_nr > 15) - sun4m_interrupts->set = mask; + sbus_writel(mask, &sun4m_irq_global->mask_set); else - sun4m_interrupts->cpu_intregs[cpu].set = mask; + sbus_writel(mask, &sun4m_irq_percpu[cpu]->set); local_irq_restore(flags); } @@ -201,13 +173,13 @@ static void sun4m_enable_irq(unsigned int irq_nr) mask = sun4m_get_irqmask(irq_nr); local_irq_save(flags); if (irq_nr > 15) - sun4m_interrupts->clear = mask; + sbus_writel(mask, &sun4m_irq_global->mask_clear); else - sun4m_interrupts->cpu_intregs[cpu].clear = mask; + sbus_writel(mask, &sun4m_irq_percpu[cpu]->clear); local_irq_restore(flags); } else { local_irq_save(flags); - sun4m_interrupts->clear = SUN4M_INT_FLOPPY; + sbus_writel(SUN4M_INT_FLOPPY, &sun4m_irq_global->mask_clear); local_irq_restore(flags); } } @@ -236,34 +208,30 @@ static unsigned long cpu_pil_to_imask[16] = { */ static void sun4m_disable_pil_irq(unsigned int pil) { - sun4m_interrupts->set = cpu_pil_to_imask[pil]; + sbus_writel(cpu_pil_to_imask[pil], &sun4m_irq_global->mask_set); } static void sun4m_enable_pil_irq(unsigned int pil) { - sun4m_interrupts->clear = cpu_pil_to_imask[pil]; + sbus_writel(cpu_pil_to_imask[pil], &sun4m_irq_global->mask_clear); } #ifdef CONFIG_SMP static void sun4m_send_ipi(int cpu, int level) { - unsigned long mask; - - mask = sun4m_get_irqmask(level); - sun4m_interrupts->cpu_intregs[cpu].set = mask; + unsigned long mask = sun4m_get_irqmask(level); + sbus_writel(mask, &sun4m_irq_percpu[cpu]->set); } static void sun4m_clear_ipi(int cpu, int level) { - unsigned long mask; - - mask = sun4m_get_irqmask(level); - sun4m_interrupts->cpu_intregs[cpu].clear = mask; + unsigned long mask = sun4m_get_irqmask(level); + sbus_writel(mask, &sun4m_irq_percpu[cpu]->clear); } static void sun4m_set_udt(int cpu) { - sun4m_interrupts->undirected_target = cpu; + sbus_writel(cpu, &sun4m_irq_global->interrupt_target); } #endif @@ -347,7 +315,7 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn) for (i = 0; i < num_cpu_timers; i++) sbus_writel(0, &timers_percpu[i]->l14_limit); if (num_cpu_timers == 4) - sbus_writel(SUN4M_INT_E14, &sun4m_interrupts->set); + sbus_writel(SUN4M_INT_E14, &sun4m_irq_global->mask_set); #ifdef CONFIG_SMP { @@ -372,62 +340,38 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn) void __init sun4m_init_IRQ(void) { - int ie_node,i; - struct linux_prom_registers int_regs[PROMREG_MAX]; - int num_regs; - struct resource r; - int mid; - - local_irq_disable(); - if((ie_node = prom_searchsiblings(prom_getchild(prom_root_node), "obio")) == 0 || - (ie_node = prom_getchild (ie_node)) == 0 || - (ie_node = prom_searchsiblings (ie_node, "interrupt")) == 0) { - prom_printf("Cannot find /obio/interrupt node\n"); - prom_halt(); + struct device_node *dp = of_find_node_by_name(NULL, "interrupt"); + int len, i, mid, num_cpu_iregs; + const u32 *addr; + + if (!dp) { + printk(KERN_ERR "sun4m_init_IRQ: No 'interrupt' node.\n"); + return; } - num_regs = prom_getproperty(ie_node, "reg", (char *) int_regs, - sizeof(int_regs)); - num_regs = (num_regs/sizeof(struct linux_prom_registers)); - - /* Apply the obio ranges to these registers. */ - prom_apply_obio_ranges(int_regs, num_regs); - - int_regs[4].phys_addr = int_regs[num_regs-1].phys_addr; - int_regs[4].reg_size = int_regs[num_regs-1].reg_size; - int_regs[4].which_io = int_regs[num_regs-1].which_io; - for(ie_node = 1; ie_node < 4; ie_node++) { - int_regs[ie_node].phys_addr = int_regs[ie_node-1].phys_addr + PAGE_SIZE; - int_regs[ie_node].reg_size = int_regs[ie_node-1].reg_size; - int_regs[ie_node].which_io = int_regs[ie_node-1].which_io; + + addr = of_get_property(dp, "address", &len); + if (!addr) { + printk(KERN_ERR "sun4m_init_IRQ: No 'address' prop.\n"); + return; } - memset((char *)&r, 0, sizeof(struct resource)); - /* Map the interrupt registers for all possible cpus. */ - r.flags = int_regs[0].which_io; - r.start = int_regs[0].phys_addr; - sun4m_interrupts = (struct sun4m_intregs *) of_ioremap(&r, 0, - PAGE_SIZE*SUN4M_NCPUS, "interrupts_percpu"); + num_cpu_iregs = (len / sizeof(u32)) - 1; + for (i = 0; i < num_cpu_iregs; i++) { + sun4m_irq_percpu[i] = (void __iomem *) + (unsigned long) addr[i]; + } + sun4m_irq_global = (void __iomem *) + (unsigned long) addr[num_cpu_iregs]; - /* Map the system interrupt control registers. */ - r.flags = int_regs[4].which_io; - r.start = int_regs[4].phys_addr; - of_ioremap(&r, 0, int_regs[4].reg_size, "interrupts_system"); + local_irq_disable(); - sun4m_interrupts->set = ~SUN4M_INT_MASKALL; + sbus_writel(~SUN4M_INT_MASKALL, &sun4m_irq_global->mask_set); for (i = 0; !cpu_find_by_instance(i, NULL, &mid); i++) - sun4m_interrupts->cpu_intregs[mid].clear = ~0x17fff; - - if (!cpu_find_by_instance(1, NULL, NULL)) { - /* system wide interrupts go to cpu 0, this should always - * be safe because it is guaranteed to be fitted or OBP doesn't - * come up - * - * Not sure, but writing here on SLAVIO systems may puke - * so I don't do it unless there is more than 1 cpu. - */ - irq_rcvreg = (unsigned long *) - &sun4m_interrupts->undirected_target; - sun4m_interrupts->undirected_target = 0; + sbus_writel(~0x17fff, &sun4m_irq_percpu[mid]->clear); + + if (num_cpu_iregs == 4) { + irq_rcvreg = (unsigned long *) &sun4m_irq_global->interrupt_target; + sbus_writel(0, &sun4m_irq_global->interrupt_target); } BTFIXUPSET_CALL(enable_irq, sun4m_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_irq, sun4m_disable_irq, BTFIXUPCALL_NORM); @@ -442,5 +386,6 @@ void __init sun4m_init_IRQ(void) BTFIXUPSET_CALL(clear_cpu_int, sun4m_clear_ipi, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(set_irq_udt, sun4m_set_udt, BTFIXUPCALL_NORM); #endif + /* Cannot enable interrupts until OBP ticker is disabled. */ } -- GitLab From f5f1085720c4799dd1437f78e28e40c8dd557bba Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:04:55 -0700 Subject: [PATCH 1933/6244] sparc32: Use PROM infrastructure for probing and mapping sun4d timers. Signed-off-by: David S. Miller --- arch/sparc/include/asm/timer_32.h | 13 --- arch/sparc/kernel/sun4d_irq.c | 139 ++++++++++++++++++------------ 2 files changed, 83 insertions(+), 69 deletions(-) diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index 8906e987ef82..860a05ef4561 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h @@ -35,19 +35,6 @@ struct sun4c_timer_info { #define SUN_TIMER_PHYSADDR 0xf3000000 -#define SUN4D_PRM_CNT_L 0x80000000 -#define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00 - -struct sun4d_timer_regs { - volatile unsigned int l10_timer_limit; - volatile unsigned int l10_cur_countx; - volatile unsigned int l10_limit_noclear; - volatile unsigned int ctrl; - volatile unsigned int l10_cur_count; -}; - -extern struct sun4d_timer_regs *sun4d_timers; - extern __volatile__ unsigned int *master_l10_counter; extern __volatile__ unsigned int *master_l10_limit; diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 12541f51fcfc..4156bf6657fb 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -45,7 +45,16 @@ /* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */ /* #define DISTRIBUTE_IRQS */ -struct sun4d_timer_regs *sun4d_timers; +struct sun4d_timer_regs { + u32 l10_timer_limit; + u32 l10_cur_countx; + u32 l10_limit_noclear; + u32 ctrl; + u32 l10_cur_count; +}; + +static struct sun4d_timer_regs __iomem *sun4d_timers; + #define TIMER_IRQ 10 #define MAX_STATIC_ALLOC 4 @@ -446,8 +455,7 @@ void __init sun4d_distribute_irqs(void) static void sun4d_clear_clock_irq(void) { - volatile unsigned int clear_intr; - clear_intr = sun4d_timers->l10_timer_limit; + sbus_readl(&sun4d_timers->l10_timer_limit); } static void sun4d_clear_profile_irq(int cpu) @@ -460,71 +468,90 @@ static void sun4d_load_profile_irq(int cpu, unsigned int limit) bw_set_prof_limit(cpu, limit); } -static void __init sun4d_init_timers(irq_handler_t counter_fn) +static void __init sun4d_load_profile_irqs(void) { - int irq; - int cpu; - struct resource r; - int mid; + int cpu = 0, mid; - /* Map the User Timer registers. */ - memset(&r, 0, sizeof(r)); + while (!cpu_find_by_instance(cpu, NULL, &mid)) { + sun4d_load_profile_irq(mid >> 3, 0); + cpu++; + } +} + +static void __init sun4d_fixup_trap_table(void) +{ #ifdef CONFIG_SMP - r.start = CSR_BASE(boot_cpu_id)+BW_TIMER_LIMIT; -#else - r.start = CSR_BASE(0)+BW_TIMER_LIMIT; + unsigned long flags; + extern unsigned long lvl14_save[4]; + struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (14 - 1)]; + extern unsigned int real_irq_entry[], smp4d_ticker[]; + extern unsigned int patchme_maybe_smp_msg[]; + + /* Adjust so that we jump directly to smp4d_ticker */ + lvl14_save[2] += smp4d_ticker - real_irq_entry; + + /* For SMP we use the level 14 ticker, however the bootup code + * has copied the firmware's level 14 vector into the boot cpu's + * trap table, we must fix this now or we get squashed. + */ + local_irq_save(flags); + patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */ + trap_table->inst_one = lvl14_save[0]; + trap_table->inst_two = lvl14_save[1]; + trap_table->inst_three = lvl14_save[2]; + trap_table->inst_four = lvl14_save[3]; + local_flush_cache_all(); + local_irq_restore(flags); #endif - r.flags = 0xf; - sun4d_timers = (struct sun4d_timer_regs *) of_ioremap(&r, 0, - PAGE_SIZE, "user timer"); +} + +static void __init sun4d_init_timers(irq_handler_t counter_fn) +{ + struct device_node *dp; + struct resource res; + const u32 *reg; + int err; + + dp = of_find_node_by_name(NULL, "cpu-unit"); + if (!dp) { + prom_printf("sun4d_init_timers: Unable to find cpu-unit\n"); + prom_halt(); + } + + /* Which cpu-unit we use is arbitrary, we can view the bootbus timer + * registers via any cpu's mapping. The first 'reg' property is the + * bootbus. + */ + reg = of_get_property(dp, "reg", NULL); + if (!reg) { + prom_printf("sun4d_init_timers: No reg property\n"); + prom_halt(); + } + + res.start = reg[1]; + res.end = reg[2] - 1; + res.flags = reg[0] & 0xff; + sun4d_timers = of_ioremap(&res, BW_TIMER_LIMIT, + sizeof(struct sun4d_timer_regs), "user timer"); + if (!sun4d_timers) { + prom_printf("sun4d_init_timers: Can't map timer regs\n"); + prom_halt(); + } + + sbus_writel((((1000000/HZ) + 1) << 10), &sun4d_timers->l10_timer_limit); - sun4d_timers->l10_timer_limit = (((1000000/HZ) + 1) << 10); master_l10_counter = &sun4d_timers->l10_cur_count; master_l10_limit = &sun4d_timers->l10_timer_limit; - irq = request_irq(TIMER_IRQ, - counter_fn, + err = request_irq(TIMER_IRQ, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL); - if (irq) { - prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ); + if (err) { + prom_printf("sun4d_init_timers: request_irq() failed with %d\n", err); prom_halt(); } - - /* Enable user timer free run for CPU 0 in BW */ - /* bw_set_ctrl(0, bw_get_ctrl(0) | BW_CTRL_USER_TIMER); */ - - cpu = 0; - while (!cpu_find_by_instance(cpu, NULL, &mid)) { - sun4d_load_profile_irq(mid >> 3, 0); - cpu++; - } - -#ifdef CONFIG_SMP - { - unsigned long flags; - extern unsigned long lvl14_save[4]; - struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (14 - 1)]; - extern unsigned int real_irq_entry[], smp4d_ticker[]; - extern unsigned int patchme_maybe_smp_msg[]; - - /* Adjust so that we jump directly to smp4d_ticker */ - lvl14_save[2] += smp4d_ticker - real_irq_entry; - - /* For SMP we use the level 14 ticker, however the bootup code - * has copied the firmware's level 14 vector into the boot cpu's - * trap table, we must fix this now or we get squashed. - */ - local_irq_save(flags); - patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */ - trap_table->inst_one = lvl14_save[0]; - trap_table->inst_two = lvl14_save[1]; - trap_table->inst_three = lvl14_save[2]; - trap_table->inst_four = lvl14_save[3]; - local_flush_cache_all(); - local_irq_restore(flags); - } -#endif + sun4d_load_profile_irqs(); + sun4d_fixup_trap_table(); } void __init sun4d_init_sbi_irq(void) -- GitLab From f8376e933c4e80663f6f66a5b5dd90390a0feba2 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:05:25 -0700 Subject: [PATCH 1934/6244] sparc32: Remove some SMP ifdefs in sun4d_irq.c Always do the sbus_tid[] handling. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4d_irq.c | 42 +++++++++++++---------------------- 1 file changed, 16 insertions(+), 26 deletions(-) diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 4156bf6657fb..6e3bf6eee543 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -60,9 +60,7 @@ static struct sun4d_timer_regs __iomem *sun4d_timers; #define MAX_STATIC_ALLOC 4 extern struct irqaction static_irqaction[MAX_STATIC_ALLOC]; extern int static_irq_count; -#ifdef CONFIG_SMP static unsigned char sbus_tid[32]; -#endif static struct irqaction *irq_action[NR_IRQS]; extern spinlock_t irq_action_lock; @@ -81,9 +79,9 @@ static int sbus_to_pil[] = { }; static int nsbi; -#ifdef CONFIG_SMP + +/* Exported for sun4d_smp.c */ DEFINE_SPINLOCK(sun4d_imsk_lock); -#endif int show_sun4d_interrupts(struct seq_file *p, void *v) { @@ -349,36 +347,28 @@ out: static void sun4d_disable_irq(unsigned int irq) { -#ifdef CONFIG_SMP int tid = sbus_tid[(irq >> 5) - 1]; unsigned long flags; -#endif - if (irq < NR_IRQS) return; -#ifdef CONFIG_SMP + if (irq < NR_IRQS) + return; + spin_lock_irqsave(&sun4d_imsk_lock, flags); cc_set_imsk_other(tid, cc_get_imsk_other(tid) | (1 << sbus_to_pil[(irq >> 2) & 7])); spin_unlock_irqrestore(&sun4d_imsk_lock, flags); -#else - cc_set_imsk(cc_get_imsk() | (1 << sbus_to_pil[(irq >> 2) & 7])); -#endif } static void sun4d_enable_irq(unsigned int irq) { -#ifdef CONFIG_SMP int tid = sbus_tid[(irq >> 5) - 1]; unsigned long flags; -#endif - if (irq < NR_IRQS) return; -#ifdef CONFIG_SMP + if (irq < NR_IRQS) + return; + spin_lock_irqsave(&sun4d_imsk_lock, flags); cc_set_imsk_other(tid, cc_get_imsk_other(tid) & ~(1 << sbus_to_pil[(irq >> 2) & 7])); spin_unlock_irqrestore(&sun4d_imsk_lock, flags); -#else - cc_set_imsk(cc_get_imsk() & ~(1 << sbus_to_pil[(irq >> 2) & 7])); -#endif } #ifdef CONFIG_SMP @@ -557,6 +547,11 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) void __init sun4d_init_sbi_irq(void) { struct device_node *dp; + int target_cpu = 0; + +#ifdef CONFIG_SMP + target_cpu = boot_cpu_id; +#endif nsbi = 0; for_each_node_by_name(dp, "sbi") @@ -571,14 +566,9 @@ void __init sun4d_init_sbi_irq(void) int board = of_getintprop_default(dp, "board#", 0); unsigned int mask; -#ifdef CONFIG_SMP - { - extern unsigned char boot_cpu_id; - - set_sbi_tid(devid, boot_cpu_id << 3); - sbus_tid[board] = boot_cpu_id; - } -#endif + set_sbi_tid(devid, target_cpu << 3); + sbus_tid[board] = target_cpu; + /* Get rid of pending irqs from PROM */ mask = acquire_sbi(devid, 0xffffffff); if (mask) { -- GitLab From a73554aedb8f69bd2024cbbf74980582bb91afb4 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:07:40 -0700 Subject: [PATCH 1935/6244] sparc32: Remove #if 0'd code from sun4c_irq.c Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4c_irq.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 722d2516f284..5602972f3570 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -36,11 +36,6 @@ #include #include -#if 0 -static struct resource sun4c_timer_eb = { "sun4c_timer" }; -static struct resource sun4c_intr_eb = { "sun4c_intr" }; -#endif - /* * Bit field defines for the interrupt registers on various * Sparc machines. @@ -173,10 +168,6 @@ static void __init sun4c_init_timers(irq_handler_t counter_fn) prom_halt(); } -#if 0 - /* This does not work on 4/330 */ - sun4c_enable_irq(10); -#endif claim_ticker14(NULL, PROFILE_IRQ, 0); } -- GitLab From 1de937a536ea1a132d22dc198a9e07d208d40a29 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:07:56 -0700 Subject: [PATCH 1936/6244] sparc32: Call sun4m_clear_profile_irq() directly from sun4m_smp.c This is the only use of the clear_profile_irq() btfixup entry, which just eats up lots of dead space on other platform types. A subsequent commit will delete the other implementations and the btfixup entry as well. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4m_irq.c | 3 ++- arch/sparc/kernel/sun4m_smp.c | 4 +++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 39d40e96d396..8e1ecc6def26 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -264,7 +264,8 @@ static void sun4m_clear_clock_irq(void) sbus_readl(&timers_global->l10_limit); } -static void sun4m_clear_profile_irq(int cpu) +/* Exported for sun4m_smp.c */ +void sun4m_clear_profile_irq(int cpu) { sbus_readl(&timers_percpu[cpu]->l14_limit); } diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index a14a76ac7f36..e3c0be17729f 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -313,6 +313,8 @@ void smp4m_cross_call_irq(void) ccall_info.processors_out[i] = 1; } +extern void sun4m_clear_profile_irq(int cpu); + void smp4m_percpu_timer_interrupt(struct pt_regs *regs) { struct pt_regs *old_regs; @@ -320,7 +322,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) old_regs = set_irq_regs(regs); - clear_profile_irq(cpu); + sun4m_clear_profile_irq(cpu); profile_tick(CPU_PROFILING); -- GitLab From 76954261ba907950cb5216e5c3075b5ba03c1a6b Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:07:06 -0700 Subject: [PATCH 1937/6244] sparc32: Kill clear_profile_irq btfixup entry. Unused. Signed-off-by: David S. Miller --- arch/sparc/kernel/irq.h | 6 ------ arch/sparc/kernel/pcic.c | 6 ------ arch/sparc/kernel/sun4c_irq.c | 6 ------ arch/sparc/kernel/sun4d_irq.c | 6 ------ arch/sparc/kernel/sun4m_irq.c | 1 - 5 files changed, 25 deletions(-) diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h index 32ef3ebd0a88..db7513881530 100644 --- a/arch/sparc/kernel/irq.h +++ b/arch/sparc/kernel/irq.h @@ -13,7 +13,6 @@ BTFIXUPDEF_CALL(void, enable_irq, unsigned int) BTFIXUPDEF_CALL(void, disable_pil_irq, unsigned int) BTFIXUPDEF_CALL(void, enable_pil_irq, unsigned int) BTFIXUPDEF_CALL(void, clear_clock_irq, void) -BTFIXUPDEF_CALL(void, clear_profile_irq, int) BTFIXUPDEF_CALL(void, load_profile_irq, int, unsigned int) static inline void __disable_irq(unsigned int irq) @@ -41,11 +40,6 @@ static inline void clear_clock_irq(void) BTFIXUP_CALL(clear_clock_irq)(); } -static inline void clear_profile_irq(int irq) -{ - BTFIXUP_CALL(clear_profile_irq)(irq); -} - static inline void load_profile_irq(int cpu, int limit) { BTFIXUP_CALL(load_profile_irq)(cpu, limit); diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index e5950b03df13..462584e55fba 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -897,11 +897,6 @@ static void pcic_enable_irq(unsigned int irq_nr) local_irq_restore(flags); } -static void pcic_clear_profile_irq(int cpu) -{ - printk("PCIC: unimplemented code: FILE=%s LINE=%d", __FILE__, __LINE__); -} - static void pcic_load_profile_irq(int cpu, unsigned int limit) { printk("PCIC: unimplemented code: FILE=%s LINE=%d", __FILE__, __LINE__); @@ -927,7 +922,6 @@ void __init sun4m_pci_init_IRQ(void) BTFIXUPSET_CALL(enable_pil_irq, pcic_enable_pil_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_pil_irq, pcic_disable_pil_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, pcic_clear_clock_irq, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(clear_profile_irq, pcic_clear_profile_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, pcic_load_profile_irq, BTFIXUPCALL_NORM); } diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 5602972f3570..6f28a13829ca 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -131,11 +131,6 @@ static void sun4c_clear_clock_irq(void) clear_intr = sun4c_timers->timer_limit10; } -static void sun4c_clear_profile_irq(int cpu) -{ - /* Errm.. not sure how to do this.. */ -} - static void sun4c_load_profile_irq(int cpu, unsigned int limit) { /* Errm.. not sure how to do this.. */ @@ -204,7 +199,6 @@ void __init sun4c_init_IRQ(void) BTFIXUPSET_CALL(enable_pil_irq, sun4c_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_pil_irq, sun4c_disable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4c_clear_clock_irq, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(clear_profile_irq, sun4c_clear_profile_irq, BTFIXUPCALL_NOP); BTFIXUPSET_CALL(load_profile_irq, sun4c_load_profile_irq, BTFIXUPCALL_NOP); sparc_init_timers = sun4c_init_timers; #ifdef CONFIG_SMP diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 6e3bf6eee543..d376d380ac0a 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -448,11 +448,6 @@ static void sun4d_clear_clock_irq(void) sbus_readl(&sun4d_timers->l10_timer_limit); } -static void sun4d_clear_profile_irq(int cpu) -{ - bw_get_prof_limit(cpu); -} - static void sun4d_load_profile_irq(int cpu, unsigned int limit) { bw_set_prof_limit(cpu, limit); @@ -585,7 +580,6 @@ void __init sun4d_init_IRQ(void) BTFIXUPSET_CALL(enable_irq, sun4d_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_irq, sun4d_disable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4d_clear_clock_irq, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(clear_profile_irq, sun4d_clear_profile_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, sun4d_load_profile_irq, BTFIXUPCALL_NORM); sparc_init_timers = sun4d_init_timers; #ifdef CONFIG_SMP diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 8e1ecc6def26..ab309eca09c3 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -379,7 +379,6 @@ void __init sun4m_init_IRQ(void) BTFIXUPSET_CALL(enable_pil_irq, sun4m_enable_pil_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_pil_irq, sun4m_disable_pil_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(clear_clock_irq, sun4m_clear_clock_irq, BTFIXUPCALL_NORM); - BTFIXUPSET_CALL(clear_profile_irq, sun4m_clear_profile_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(load_profile_irq, sun4m_load_profile_irq, BTFIXUPCALL_NORM); sparc_init_timers = sun4m_init_timers; #ifdef CONFIG_SMP -- GitLab From b218fa0e9c2ad94b4e9ab5517a9210f9fa3745e2 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:08:26 -0700 Subject: [PATCH 1938/6244] sparc32: Stop calling claim_ticker14() from sun4c_irq.c Since the first argument is always NULL, the only side effect is to disable the PROFILE_IRQ, so just do that directly. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4c_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 6f28a13829ca..ae3149ecaecd 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -163,7 +163,7 @@ static void __init sun4c_init_timers(irq_handler_t counter_fn) prom_halt(); } - claim_ticker14(NULL, PROFILE_IRQ, 0); + sun4c_disable_irq(PROFILE_IRQ); } #ifdef CONFIG_SMP -- GitLab From 5ff0d55f93f8119b71b33d4c444cf5105d4c1d12 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 9 Sep 2008 00:04:35 -0700 Subject: [PATCH 1939/6244] sparc32: Delete claim_ticker14(). No more users. Signed-off-by: David S. Miller --- arch/sparc/kernel/tick14.c | 46 -------------------------------------- 1 file changed, 46 deletions(-) diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c index 77a4f3aeec67..138bbf5f8724 100644 --- a/arch/sparc/kernel/tick14.c +++ b/arch/sparc/kernel/tick14.c @@ -1,30 +1,12 @@ /* tick14.c - * linux/arch/sparc/kernel/tick14.c * * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk) * * This file handles the Sparc specific level14 ticker * This is really useful for profiling OBP uses it for keyboard * aborts and other stuff. - * - * */ -#include -#include #include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "irq.h" extern unsigned long lvl14_save[5]; static unsigned long *linux_lvl14 = NULL; @@ -55,31 +37,3 @@ void install_obp_ticker(void) linux_lvl14[2] = obp_lvl14[2]; linux_lvl14[3] = obp_lvl14[3]; } - -void claim_ticker14(irq_handler_t handler, - int irq_nr, unsigned int timeout ) -{ - int cpu = smp_processor_id(); - - /* first we copy the obp handler instructions - */ - __disable_irq(irq_nr); - if (!handler) - return; - - linux_lvl14 = (unsigned long *)lvl14_save[4]; - obp_lvl14[0] = linux_lvl14[0]; - obp_lvl14[1] = linux_lvl14[1]; - obp_lvl14[2] = linux_lvl14[2]; - obp_lvl14[3] = linux_lvl14[3]; - - if (!request_irq(irq_nr, - handler, - (IRQF_DISABLED | SA_STATIC_ALLOC), - "counter14", - NULL)) { - install_linux_ticker(); - load_profile_irq(cpu, timeout); - __enable_irq(irq_nr); - } -} -- GitLab From 45bb5a7cbfa28dedc07730d6ecedbd574faf5459 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:43:48 -0700 Subject: [PATCH 1940/6244] sparc32: Use PROM device probing for sun4c interrupt register. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4c_irq.c | 47 ++++++++++++++++------------------- 1 file changed, 21 insertions(+), 26 deletions(-) diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index ae3149ecaecd..8033132eda8c 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -59,7 +59,7 @@ * * so don't go making it static, like I tried. sigh. */ -unsigned char *interrupt_enable = NULL; +unsigned char __iomem *interrupt_enable = NULL; static void sun4c_disable_irq(unsigned int irq_nr) { @@ -68,7 +68,7 @@ static void sun4c_disable_irq(unsigned int irq_nr) local_irq_save(flags); irq_nr &= (NR_IRQS - 1); - current_mask = *interrupt_enable; + current_mask = sbus_readb(interrupt_enable); switch(irq_nr) { case 1: new_mask = ((current_mask) & (~(SUN4C_INT_E1))); @@ -86,7 +86,7 @@ static void sun4c_disable_irq(unsigned int irq_nr) local_irq_restore(flags); return; } - *interrupt_enable = new_mask; + sbus_writeb(new_mask, interrupt_enable); local_irq_restore(flags); } @@ -97,7 +97,7 @@ static void sun4c_enable_irq(unsigned int irq_nr) local_irq_save(flags); irq_nr &= (NR_IRQS - 1); - current_mask = *interrupt_enable; + current_mask = sbus_readb(interrupt_enable); switch(irq_nr) { case 1: new_mask = ((current_mask) | SUN4C_INT_E1); @@ -115,7 +115,7 @@ static void sun4c_enable_irq(unsigned int irq_nr) local_irq_restore(flags); return; } - *interrupt_enable = new_mask; + sbus_writeb(new_mask, interrupt_enable); local_irq_restore(flags); } @@ -172,27 +172,22 @@ static void sun4c_nop(void) {} void __init sun4c_init_IRQ(void) { - struct linux_prom_registers int_regs[2]; - int ie_node; - struct resource phyres; - - ie_node = prom_searchsiblings (prom_getchild(prom_root_node), - "interrupt-enable"); - if(ie_node == 0) - panic("Cannot find /interrupt-enable node"); - - /* Depending on the "address" property is bad news... */ - interrupt_enable = NULL; - if (prom_getproperty(ie_node, "reg", (char *) int_regs, - sizeof(int_regs)) != -1) { - memset(&phyres, 0, sizeof(struct resource)); - phyres.flags = int_regs[0].which_io; - phyres.start = int_regs[0].phys_addr; - interrupt_enable = (char *) of_ioremap(&phyres, 0, - int_regs[0].reg_size, "sun4c_intr"); + struct device_node *dp; + const u32 *addr; + + dp = of_find_node_by_name(NULL, "interrupt-enable"); + if (!dp) { + prom_printf("sun4c_init_IRQ: Unable to find interrupt-enable\n"); + prom_halt(); + } + + addr = of_get_property(dp, "address", NULL); + if (!addr) { + prom_printf("sun4c_init_IRQ: No address property\n"); + prom_halt(); } - if (!interrupt_enable) - panic("Cannot map interrupt_enable"); + + interrupt_enable = (void __iomem *) (unsigned long) addr[0]; BTFIXUPSET_CALL(enable_irq, sun4c_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_irq, sun4c_disable_irq, BTFIXUPCALL_NORM); @@ -206,6 +201,6 @@ void __init sun4c_init_IRQ(void) BTFIXUPSET_CALL(clear_cpu_int, sun4c_nop, BTFIXUPCALL_NOP); BTFIXUPSET_CALL(set_irq_udt, sun4c_nop, BTFIXUPCALL_NOP); #endif - *interrupt_enable = (SUN4C_INT_ENABLE); + sbus_writeb(SUN4C_INT_ENABLE, interrupt_enable); /* Cannot enable interrupts until OBP ticker is disabled. */ } -- GitLab From 8bd8deead7f00006781c366887da8cf6a02c69ce Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:47:43 -0700 Subject: [PATCH 1941/6244] sparc32: Use PROM device probing for sun4c timers. Signed-off-by: David S. Miller --- arch/sparc/include/asm/timer_32.h | 24 ------------- arch/sparc/kernel/sun4c_irq.c | 59 ++++++++++++++++++++----------- 2 files changed, 39 insertions(+), 44 deletions(-) diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index 860a05ef4561..351f257eec01 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h @@ -11,30 +11,6 @@ #include /* For SUN4M_NCPUS */ #include -/* Timer structures. The interrupt timer has two properties which - * are the counter (which is handled in do_timer in sched.c) and the limit. - * This limit is where the timer's counter 'wraps' around. Oddly enough, - * the sun4c timer when it hits the limit wraps back to 1 and not zero - * thus when calculating the value at which it will fire a microsecond you - * must adjust by one. Thanks SUN for designing such great hardware ;( - */ - -/* Note that I am only going to use the timer that interrupts at - * Sparc IRQ 10. There is another one available that can fire at - * IRQ 14. Currently it is left untouched, we keep the PROM's limit - * register value and let the prom take these interrupts. This allows - * L1-A to work. - */ - -struct sun4c_timer_info { - __volatile__ unsigned int cur_count10; - __volatile__ unsigned int timer_limit10; - __volatile__ unsigned int cur_count14; - __volatile__ unsigned int timer_limit14; -}; - -#define SUN_TIMER_PHYSADDR 0xf3000000 - extern __volatile__ unsigned int *master_l10_counter; extern __volatile__ unsigned int *master_l10_limit; diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 8033132eda8c..92096ba31d58 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -119,16 +119,18 @@ static void sun4c_enable_irq(unsigned int irq_nr) local_irq_restore(flags); } -#define TIMER_IRQ 10 /* Also at level 14, but we ignore that one. */ -#define PROFILE_IRQ 14 /* Level14 ticker.. used by OBP for polling */ +struct sun4c_timer_info { + u32 l10_count; + u32 l10_limit; + u32 l14_count; + u32 l14_limit; +}; -volatile struct sun4c_timer_info *sun4c_timers; +static struct sun4c_timer_info __iomem *sun4c_timers; static void sun4c_clear_clock_irq(void) { - volatile unsigned int clear_intr; - - clear_intr = sun4c_timers->timer_limit10; + sbus_readl(&sun4c_timers->l10_limit); } static void sun4c_load_profile_irq(int cpu, unsigned int limit) @@ -138,32 +140,49 @@ static void sun4c_load_profile_irq(int cpu, unsigned int limit) static void __init sun4c_init_timers(irq_handler_t counter_fn) { - int irq; + const struct linux_prom_irqs *irq; + struct device_node *dp; + const u32 *addr; + int err; - /* Map the Timer chip, this is implemented in hardware inside - * the cache chip on the sun4c. - */ - sun4c_timers = ioremap(SUN_TIMER_PHYSADDR, - sizeof(struct sun4c_timer_info)); + dp = of_find_node_by_name(NULL, "counter-timer"); + if (!dp) { + prom_printf("sun4c_init_timers: Unable to find counter-timer\n"); + prom_halt(); + } + + addr = of_get_property(dp, "address", NULL); + if (!addr) { + prom_printf("sun4c_init_timers: No address property\n"); + prom_halt(); + } + + sun4c_timers = (void __iomem *) (unsigned long) addr[0]; + + irq = of_get_property(dp, "intr", NULL); + if (!irq) { + prom_printf("sun4c_init_timers: No intr property\n"); + prom_halt(); + } /* Have the level 10 timer tick at 100HZ. We don't touch the * level 14 timer limit since we are letting the prom handle * them until we have a real console driver so L1-A works. */ - sun4c_timers->timer_limit10 = (((1000000/HZ) + 1) << 10); - master_l10_counter = &sun4c_timers->cur_count10; - master_l10_limit = &sun4c_timers->timer_limit10; + sbus_writel((((1000000/HZ) + 1) << 10), &sun4c_timers->l10_limit); + + master_l10_counter = &sun4c_timers->l10_count; + master_l10_limit = &sun4c_timers->l10_limit; - irq = request_irq(TIMER_IRQ, - counter_fn, + err = request_irq(irq[0].pri, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL); - if (irq) { - prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ); + if (err) { + prom_printf("sun4c_init_timers: request_irq() fails with %d\n", err); prom_halt(); } - sun4c_disable_irq(PROFILE_IRQ); + sun4c_disable_irq(irq[1].pri); } #ifdef CONFIG_SMP -- GitLab From c7e606a8f863b2119176674610618dad3d80a16d Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:48:04 -0700 Subject: [PATCH 1942/6244] sparc32: Delete master_l10_limit. It is only set, never used. Signed-off-by: David S. Miller --- arch/sparc/include/asm/timer_32.h | 1 - arch/sparc/kernel/sun4c_irq.c | 1 - arch/sparc/kernel/sun4d_irq.c | 1 - arch/sparc/kernel/sun4m_irq.c | 1 - arch/sparc/kernel/time.c | 1 - 5 files changed, 5 deletions(-) diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index 351f257eec01..2ec030ef3810 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h @@ -12,7 +12,6 @@ #include extern __volatile__ unsigned int *master_l10_counter; -extern __volatile__ unsigned int *master_l10_limit; /* FIXME: Make do_[gs]ettimeofday btfixup calls */ BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv) diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 92096ba31d58..5dc8a5769489 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -172,7 +172,6 @@ static void __init sun4c_init_timers(irq_handler_t counter_fn) sbus_writel((((1000000/HZ) + 1) << 10), &sun4c_timers->l10_limit); master_l10_counter = &sun4c_timers->l10_count; - master_l10_limit = &sun4c_timers->l10_limit; err = request_irq(irq[0].pri, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index d376d380ac0a..d3cb76ce418b 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -526,7 +526,6 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) sbus_writel((((1000000/HZ) + 1) << 10), &sun4d_timers->l10_timer_limit); master_l10_counter = &sun4d_timers->l10_cur_count; - master_l10_limit = &sun4d_timers->l10_timer_limit; err = request_irq(TIMER_IRQ, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index ab309eca09c3..c09ec39d68ae 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -303,7 +303,6 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn) sbus_writel((((1000000/HZ) + 1) << 10), &timers_global->l10_limit); master_l10_counter = &timers_global->l10_count; - master_l10_limit = &timers_global->l10_limit; err = request_irq(TIMER_IRQ, counter_fn, (IRQF_DISABLED | SA_STATIC_ALLOC), "timer", NULL); diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index fa54d585f558..62c1d94cb434 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -73,7 +73,6 @@ unsigned long profile_pc(struct pt_regs *regs) EXPORT_SYMBOL(profile_pc); __volatile__ unsigned int *master_l10_counter; -__volatile__ unsigned int *master_l10_limit; /* * timer_interrupt() needs to keep up the real-time clock, -- GitLab From e7913de9285a4e40733cdabbe62b6f1fa3bbdf01 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 13 Sep 2008 22:48:41 -0700 Subject: [PATCH 1943/6244] sparc32: Kill irq_rcvreg from sun4m_irq.c Unused. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4m_irq.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index c09ec39d68ae..c6096fc70c61 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -59,9 +59,6 @@ struct sun4m_irq_global { struct sun4m_irq_percpu __iomem *sun4m_irq_percpu[SUN4M_NCPUS]; struct sun4m_irq_global __iomem *sun4m_irq_global; -static unsigned long dummy; -unsigned long *irq_rcvreg = &dummy; - /* Dave Redman (djhr@tadpole.co.uk) * The sun4m interrupt registers. */ @@ -369,10 +366,9 @@ void __init sun4m_init_IRQ(void) for (i = 0; !cpu_find_by_instance(i, NULL, &mid); i++) sbus_writel(~0x17fff, &sun4m_irq_percpu[mid]->clear); - if (num_cpu_iregs == 4) { - irq_rcvreg = (unsigned long *) &sun4m_irq_global->interrupt_target; + if (num_cpu_iregs == 4) sbus_writel(0, &sun4m_irq_global->interrupt_target); - } + BTFIXUPSET_CALL(enable_irq, sun4m_enable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(disable_irq, sun4m_disable_irq, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(enable_pil_irq, sun4m_enable_pil_irq, BTFIXUPCALL_NORM); -- GitLab From 778b1c65bfa2bfe4018394480f97d387e8f00a91 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Sep 2008 15:33:21 -0700 Subject: [PATCH 1944/6244] sparc32: Add more extensive documentation of sun4m interrupts. Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4m_irq.c | 53 +++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index c6096fc70c61..ec66d4aab098 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -87,6 +87,59 @@ struct sun4m_irq_global __iomem *sun4m_irq_global; #define SUN4M_INT_SBUS(x) (1 << (x+7)) #define SUN4M_INT_VME(x) (1 << (x)) +/* Interrupt level assignment on sun4m: + * + * level source + * ------------------------------------------------------------ + * 1 softint-1 + * 2 softint-2, VME/SBUS level 1 + * 3 softint-3, VME/SBUS level 2 + * 4 softint-4, onboard SCSI + * 5 softint-5, VME/SBUS level 3 + * 6 softint-6, onboard ETHERNET + * 7 softint-7, VME/SBUS level 4 + * 8 softint-8, onboard VIDEO + * 9 softint-9, VME/SBUS level 5, Module Interrupt + * 10 softint-10, system counter/timer + * 11 softint-11, VME/SBUS level 6, Floppy + * 12 softint-12, Keyboard/Mouse, Serial + * 13 softint-13, VME/SBUS level 7, ISDN Audio + * 14 softint-14, per-processor counter/timer + * 15 softint-15, Asynchronous Errors (broadcast) + * + * Each interrupt source is masked distinctly in the sun4m interrupt + * registers. The PIL level alone is therefore ambiguous, since multiple + * interrupt sources map to a single PIL. + * + * This ambiguity is resolved in the 'intr' property for device nodes + * in the OF device tree. Each 'intr' property entry is composed of + * two 32-bit words. The first word is the IRQ priority value, which + * is what we're intersted in. The second word is the IRQ vector, which + * is unused. + * + * The low 4 bits of the IRQ priority indicate the PIL, and the upper + * 4 bits indicate onboard vs. SBUS leveled vs. VME leveled. 0x20 + * means onboard, 0x30 means SBUS leveled, and 0x40 means VME leveled. + * + * For example, an 'intr' IRQ priority value of 0x24 is onboard SCSI + * whereas a value of 0x33 is SBUS level 2. Here are some sample + * 'intr' property IRQ priority values from ss4, ss5, ss10, ss20, and + * Tadpole S3 GX systems. + * + * esp: 0x24 onboard ESP SCSI + * le: 0x26 onboard Lance ETHERNET + * p9100: 0x32 SBUS level 1 P9100 video + * bpp: 0x33 SBUS level 2 BPP parallel port device + * DBRI: 0x39 SBUS level 5 DBRI ISDN audio + * SUNW,leo: 0x39 SBUS level 5 LEO video + * pcmcia: 0x3b SBUS level 6 PCMCIA controller + * uctrl: 0x3b SBUS level 6 UCTRL device + * modem: 0x3d SBUS level 7 MODEM + * zs: 0x2c onboard keyboard/mouse/serial + * floppy: 0x2b onboard Floppy + * power: 0x22 onboard power device (XXX unknown mask bit XXX) + */ + /* These tables only apply for interrupts greater than 15.. * * any intr value below 0x10 is considered to be a soft-int -- GitLab From b817f7e020958c8f79842076c137daa6f72eb366 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sat, 20 Sep 2008 20:16:35 +0900 Subject: [PATCH 1945/6244] sh: Disable 4kB stacks when using PAGE_SIZE_64KB. This combination triggers a divide by zero in kernel/fork.c when calculating the initial max_threads value: max_threads = mempages / (8 * THREAD_SIZE / PAGE_SIZE); Simply disable 4K stacks on 64kB PAGE_SIZE to work around this, as it's not a terribly useful combination to begin with. Signed-off-by: Paul Mundt --- arch/sh/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 4d2d102e00d5..e6d2c8b11abd 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -82,7 +82,7 @@ config DEBUG_STACK_USAGE config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" - depends on DEBUG_KERNEL && (MMU || BROKEN) + depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB help If you say Y here the kernel will use a 4Kb stacksize for the kernel stack attached to each process/thread. This facilitates -- GitLab From c15c5f8c2bf0b00d036c5c6b67264764a6e5dffc Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sat, 20 Sep 2008 20:21:33 +0900 Subject: [PATCH 1946/6244] sh: Support kernel stacks smaller than a page. This follows the powerpc commit f6a616800e68b61807d0f7bb0d5dc70665ef8046 '[POWERPC] Fix kernel stack allocation alignment'. SH has traditionally forced the thread order to be relative to the page size, so there were never any situations where the same bug was triggered by slub. Regardless, the usage of > 8kB stacks for the larger page sizes is overkill, so we switch to using slab allocations there, as per the powerpc change. Signed-off-by: Paul Mundt --- arch/sh/include/asm/thread_info.h | 32 ++++++++++++++----------------- arch/sh/mm/init.c | 29 ++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 18 deletions(-) diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 0a894cafb1dd..f09ac4806294 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -33,20 +33,12 @@ struct thread_info { #define PREEMPT_ACTIVE 0x10000000 #if defined(CONFIG_4KSTACKS) -#define THREAD_SIZE_ORDER (0) -#elif defined(CONFIG_PAGE_SIZE_4KB) -#define THREAD_SIZE_ORDER (1) -#elif defined(CONFIG_PAGE_SIZE_8KB) -#define THREAD_SIZE_ORDER (1) -#elif defined(CONFIG_PAGE_SIZE_16KB) -#define THREAD_SIZE_ORDER (0) -#elif defined(CONFIG_PAGE_SIZE_64KB) -#define THREAD_SIZE_ORDER (0) +#define THREAD_SHIFT 12 #else -#error "Unknown thread size" +#define THREAD_SHIFT 13 #endif -#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define THREAD_SIZE (1 << THREAD_SHIFT) #define STACK_WARN (THREAD_SIZE >> 3) /* @@ -94,15 +86,19 @@ static inline struct thread_info *current_thread_info(void) return ti; } +/* thread information allocation */ +#if THREAD_SHIFT >= PAGE_SHIFT + +#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) + +#else /* THREAD_SHIFT < PAGE_SHIFT */ + #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR -/* thread information allocation */ -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(ti) kzalloc(THREAD_SIZE, GFP_KERNEL) -#else -#define alloc_thread_info(ti) kmalloc(THREAD_SIZE, GFP_KERNEL) -#endif -#define free_thread_info(ti) kfree(ti) +extern struct thread_info *alloc_thread_info(struct task_struct *tsk); +extern void free_thread_info(struct thread_info *ti); + +#endif /* THREAD_SHIFT < PAGE_SHIFT */ #endif /* __ASSEMBLY__ */ diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 31211bfdc6d8..2a53943924b2 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -265,6 +265,35 @@ void free_initrd_mem(unsigned long start, unsigned long end) } #endif +#if THREAD_SHIFT < PAGE_SHIFT +static struct kmem_cache *thread_info_cache; + +struct thread_info *alloc_thread_info(struct task_struct *tsk) +{ + struct thread_info *ti; + + ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL); + if (unlikely(ti == NULL)) + return NULL; +#ifdef CONFIG_DEBUG_STACK_USAGE + memset(ti, 0, THREAD_SIZE); +#endif + return ti; +} + +void free_thread_info(struct thread_info *ti) +{ + kmem_cache_free(thread_info_cache, ti); +} + +void thread_info_cache_init(void) +{ + thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, + THREAD_SIZE, 0, NULL); + BUG_ON(thread_info_cache == NULL); +} +#endif /* THREAD_SHIFT < PAGE_SHIFT */ + #ifdef CONFIG_MEMORY_HOTPLUG int arch_add_memory(int nid, u64 start, u64 size) { -- GitLab From 837c946aad480d4773619707f115ed4c15738f77 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 10:24:18 +0900 Subject: [PATCH 1947/6244] sh: Copy in asm/sizes.h helper from ARM. Signed-off-by: Paul Mundt --- arch/sh/include/asm/sizes.h | 56 +++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 arch/sh/include/asm/sizes.h diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h new file mode 100644 index 000000000000..503843db1565 --- /dev/null +++ b/arch/sh/include/asm/sizes.h @@ -0,0 +1,56 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +/* DO NOT EDIT!! - this file automatically generated + * from .s file by awk -f s2h.awk + */ +/* Size definitions + * Copyright (C) ARM Limited 1998. All rights reserved. + */ + +#ifndef __sizes_h +#define __sizes_h 1 + +/* handy sizes */ +#define SZ_16 0x00000010 +#define SZ_256 0x00000100 +#define SZ_512 0x00000200 + +#define SZ_1K 0x00000400 +#define SZ_4K 0x00001000 +#define SZ_8K 0x00002000 +#define SZ_16K 0x00004000 +#define SZ_64K 0x00010000 +#define SZ_128K 0x00020000 +#define SZ_256K 0x00040000 +#define SZ_512K 0x00080000 + +#define SZ_1M 0x00100000 +#define SZ_2M 0x00200000 +#define SZ_4M 0x00400000 +#define SZ_8M 0x00800000 +#define SZ_16M 0x01000000 +#define SZ_32M 0x02000000 +#define SZ_64M 0x04000000 +#define SZ_128M 0x08000000 +#define SZ_256M 0x10000000 +#define SZ_512M 0x20000000 + +#define SZ_1G 0x40000000 +#define SZ_2G 0x80000000 + +#endif + +/* END */ -- GitLab From d3ea00a36da2e715217f0e31944dd220deefa38c Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 10:31:57 +0900 Subject: [PATCH 1948/6244] sh: Add a few more definitions to asm/sizes.h. Signed-off-by: Paul Mundt --- arch/sh/include/asm/sizes.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h index 503843db1565..3a1fb97770f1 100644 --- a/arch/sh/include/asm/sizes.h +++ b/arch/sh/include/asm/sizes.h @@ -25,6 +25,9 @@ /* handy sizes */ #define SZ_16 0x00000010 +#define SZ_32 0x00000020 +#define SZ_64 0x00000040 +#define SZ_128 0x00000080 #define SZ_256 0x00000100 #define SZ_512 0x00000200 @@ -32,6 +35,7 @@ #define SZ_4K 0x00001000 #define SZ_8K 0x00002000 #define SZ_16K 0x00004000 +#define SZ_32K 0x00008000 #define SZ_64K 0x00010000 #define SZ_128K 0x00020000 #define SZ_256K 0x00040000 @@ -42,6 +46,7 @@ #define SZ_4M 0x00400000 #define SZ_8M 0x00800000 #define SZ_16M 0x01000000 +#define SZ_26M 0x01a00000 #define SZ_32M 0x02000000 #define SZ_64M 0x04000000 #define SZ_128M 0x08000000 -- GitLab From 347cd34f4b32be30d2a6d92fe4d6eac04b00a637 Mon Sep 17 00:00:00 2001 From: Luca Santini Date: Sun, 21 Sep 2008 10:32:29 +0900 Subject: [PATCH 1949/6244] sh: edosk7760: Correct size of bootloader flash partition. This is 256K instead of 1M. [ Converted to use asm/sizes.h. -- PFM ] Signed-off-by: Luca Santini Signed-off-by: Paul Mundt --- arch/sh/boards/board-edosk7760.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/sh/boards/board-edosk7760.c b/arch/sh/boards/board-edosk7760.c index 4890ba7961ae..35dc0994875d 100644 --- a/arch/sh/boards/board-edosk7760.c +++ b/arch/sh/boards/board-edosk7760.c @@ -30,6 +30,7 @@ #include #include #include +#include /* Bus state controller registers for CS4 area */ #define BSC_CS4BCR 0xA4FD0010 @@ -46,16 +47,16 @@ static struct mtd_partition edosk7760_nor_flash_partitions[] = { { .name = "bootloader", .offset = 0, - .size = (1 * 1024 * 1024), /*1MB*/ + .size = SZ_256K, .mask_flags = MTD_WRITEABLE, /* Read-only */ }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, - .size = (2 * 1024 * 1024), /*2MB*/ + .size = SZ_2M, }, { .name = "fs", .offset = MTDPART_OFS_APPEND, - .size = (26 * 1024 * 1024), + .size = SZ_26M, }, { .name = "other", .offset = MTDPART_OFS_APPEND, @@ -73,7 +74,7 @@ static struct resource edosk7760_nor_flash_resources[] = { [0] = { .name = "NOR Flash", .start = 0x00000000, - .end = (32 * 1024 * 1024) -1, /* 32MB*/ + .end = 0x00000000 + SZ_32M - 1, .flags = IORESOURCE_MEM, } }; @@ -145,7 +146,7 @@ static struct smc91x_platdata smc91x_info = { static struct resource smc91x_res[] = { [0] = { .start = SMC_IOADDR, - .end = SMC_IOADDR + 0x1f, + .end = SMC_IOADDR + SZ_32 - 1, .flags = IORESOURCE_MEM, }, [1] = { -- GitLab From 4c59e2942e92d2d776bcd038604a5c3c1d56d3ac Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 12:00:23 +0900 Subject: [PATCH 1950/6244] sh: Move lookup_exception_vector() out to asm/system_32.h. There are other places where we want to have access to the trap/exception number, so move out the lookup_exception_vector() helper. While we're at it, refactor it slightly to return the vector instead. Signed-off-by: Paul Mundt --- arch/sh/include/asm/system_32.h | 25 +++++++++++++++++++++++++ arch/sh/kernel/traps_32.c | 16 ++++------------ 2 files changed, 29 insertions(+), 12 deletions(-) diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h index f7f105627fd9..a726d5d07277 100644 --- a/arch/sh/include/asm/system_32.h +++ b/arch/sh/include/asm/system_32.h @@ -97,6 +97,31 @@ do { \ : "=&r" (__dummy)); \ } while (0) +#ifdef CONFIG_CPU_HAS_SR_RB +#define lookup_exception_vector() \ +({ \ + unsigned long _vec; \ + \ + __asm__ __volatile__ ( \ + "stc r2_bank, %0\n\t" \ + : "=r" (_vec) \ + ); \ + \ + _vec; \ +}) +#else +#define lookup_exception_vector() \ +({ \ + unsigned long _vec; \ + __asm__ __volatile__ ( \ + "mov r4, %0\n\t" \ + : "=r" (_vec) \ + ); \ + \ + _vec; \ +}) +#endif + int handle_unaligned_access(opcode_t instruction, struct pt_regs *regs, struct mem_access *ma); diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 35b901ed6de3..b359b08a8e33 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -514,14 +514,6 @@ int handle_unaligned_access(opcode_t instruction, struct pt_regs *regs, return ret; } -#ifdef CONFIG_CPU_HAS_SR_RB -#define lookup_exception_vector(x) \ - __asm__ __volatile__ ("stc r2_bank, %0\n\t" : "=r" ((x))) -#else -#define lookup_exception_vector(x) \ - __asm__ __volatile__ ("mov r4, %0\n\t" : "=r" ((x))) -#endif - /* * Handle various address error exceptions: * - instruction address error: @@ -545,7 +537,7 @@ asmlinkage void do_address_error(struct pt_regs *regs, /* Intentional ifdef */ #ifdef CONFIG_CPU_HAS_SR_RB - lookup_exception_vector(error_code); + error_code = lookup_exception_vector(); #endif oldfs = get_fs(); @@ -686,7 +678,7 @@ asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5, } #endif - lookup_exception_vector(error_code); + error_code = lookup_exception_vector(); local_irq_enable(); CHK_REMOTE_DEBUG(regs); @@ -759,7 +751,7 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5, /* not a FPU inst. */ #endif - lookup_exception_vector(inst); + inst = lookup_exception_vector(); local_irq_enable(); CHK_REMOTE_DEBUG(regs); @@ -774,7 +766,7 @@ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, struct pt_regs *regs = RELOC_HIDE(&__regs, 0); long ex; - lookup_exception_vector(ex); + ex = lookup_exception_vector(); die_if_kernel("exception", regs, ex); } -- GitLab From b9012e0a4255c93e1d81f1ccee591de6414b5955 Mon Sep 17 00:00:00 2001 From: Alexander Schmidt Date: Sat, 20 Sep 2008 20:05:21 -0700 Subject: [PATCH 1951/6244] IB/ehca: Generate flush status CQ entries When a QP goes into error state, it is required that CQ entries with a flush error status are delivered to the application for any outstanding work requests. eHCA does not do this in hardware, so this patch adds software flush CQE generation to the ehca driver. Whenever a QP gets into error state, it is added to the QP error list of its respective CQ. If the error QP list of a CQ is not empty, poll_cq() generates flush CQEs before polling the actual CQ. Signed-off-by: Alexander Schmidt Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/ehca_classes.h | 14 +- drivers/infiniband/hw/ehca/ehca_cq.c | 3 + drivers/infiniband/hw/ehca/ehca_iverbs.h | 2 + drivers/infiniband/hw/ehca/ehca_qp.c | 225 ++++++++++++++++++++-- drivers/infiniband/hw/ehca/ehca_reqs.c | 211 +++++++++++++++++--- 5 files changed, 412 insertions(+), 43 deletions(-) diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 1ab919f836a8..5d7b7855afb9 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -164,6 +164,13 @@ struct ehca_qmap_entry { u16 reported; }; +struct ehca_queue_map { + struct ehca_qmap_entry *map; + unsigned int entries; + unsigned int tail; + unsigned int left_to_poll; +}; + struct ehca_qp { union { struct ib_qp ib_qp; @@ -173,8 +180,9 @@ struct ehca_qp { enum ehca_ext_qp_type ext_type; enum ib_qp_state state; struct ipz_queue ipz_squeue; - struct ehca_qmap_entry *sq_map; + struct ehca_queue_map sq_map; struct ipz_queue ipz_rqueue; + struct ehca_queue_map rq_map; struct h_galpas galpas; u32 qkey; u32 real_qp_num; @@ -204,6 +212,8 @@ struct ehca_qp { atomic_t nr_events; /* events seen */ wait_queue_head_t wait_completion; int mig_armed; + struct list_head sq_err_node; + struct list_head rq_err_node; }; #define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ) @@ -233,6 +243,8 @@ struct ehca_cq { /* mmap counter for resources mapped into user space */ u32 mm_count_queue; u32 mm_count_galpa; + struct list_head sqp_err_list; + struct list_head rqp_err_list; }; enum ehca_mr_flag { diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 5540b276a33c..33647a95eb9a 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -276,6 +276,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, for (i = 0; i < QP_HASHTAB_LEN; i++) INIT_HLIST_HEAD(&my_cq->qp_hashtab[i]); + INIT_LIST_HEAD(&my_cq->sqp_err_list); + INIT_LIST_HEAD(&my_cq->rqp_err_list); + if (context) { struct ipz_queue *ipz_queue = &my_cq->ipz_queue; struct ehca_create_cq_resp resp; diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index a8a2ea585d2f..8f7f282ead65 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -197,6 +197,8 @@ void ehca_poll_eqs(unsigned long data); int ehca_calc_ipd(struct ehca_shca *shca, int port, enum ib_rate path_rate, u32 *ipd); +void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq); + #ifdef CONFIG_PPC_64K_PAGES void *ehca_alloc_fw_ctrlblock(gfp_t flags); void ehca_free_fw_ctrlblock(void *ptr); diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index b6bcee036734..4dbe2870e014 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -396,6 +396,50 @@ static void ehca_determine_small_queue(struct ehca_alloc_queue_parms *queue, queue->is_small = (queue->page_size != 0); } +/* needs to be called with cq->spinlock held */ +void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq) +{ + struct list_head *list, *node; + + /* TODO: support low latency QPs */ + if (qp->ext_type == EQPT_LLQP) + return; + + if (on_sq) { + list = &qp->send_cq->sqp_err_list; + node = &qp->sq_err_node; + } else { + list = &qp->recv_cq->rqp_err_list; + node = &qp->rq_err_node; + } + + if (list_empty(node)) + list_add_tail(node, list); + + return; +} + +static void del_from_err_list(struct ehca_cq *cq, struct list_head *node) +{ + unsigned long flags; + + spin_lock_irqsave(&cq->spinlock, flags); + + if (!list_empty(node)) + list_del_init(node); + + spin_unlock_irqrestore(&cq->spinlock, flags); +} + +static void reset_queue_map(struct ehca_queue_map *qmap) +{ + int i; + + qmap->tail = 0; + for (i = 0; i < qmap->entries; i++) + qmap->map[i].reported = 1; +} + /* * Create an ib_qp struct that is either a QP or an SRQ, depending on * the value of the is_srq parameter. If init_attr and srq_init_attr share @@ -407,12 +451,11 @@ static struct ehca_qp *internal_create_qp( struct ib_srq_init_attr *srq_init_attr, struct ib_udata *udata, int is_srq) { - struct ehca_qp *my_qp; + struct ehca_qp *my_qp, *my_srq = NULL; struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd); struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, ib_device); struct ib_ucontext *context = NULL; - u32 nr_qes; u64 h_ret; int is_llqp = 0, has_srq = 0; int qp_type, max_send_sge, max_recv_sge, ret; @@ -457,8 +500,7 @@ static struct ehca_qp *internal_create_qp( /* handle SRQ base QPs */ if (init_attr->srq) { - struct ehca_qp *my_srq = - container_of(init_attr->srq, struct ehca_qp, ib_srq); + my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq); has_srq = 1; parms.ext_type = EQPT_SRQBASE; @@ -716,15 +758,19 @@ static struct ehca_qp *internal_create_qp( "and pages ret=%i", ret); goto create_qp_exit2; } - nr_qes = my_qp->ipz_squeue.queue_length / + + my_qp->sq_map.entries = my_qp->ipz_squeue.queue_length / my_qp->ipz_squeue.qe_size; - my_qp->sq_map = vmalloc(nr_qes * + my_qp->sq_map.map = vmalloc(my_qp->sq_map.entries * sizeof(struct ehca_qmap_entry)); - if (!my_qp->sq_map) { + if (!my_qp->sq_map.map) { ehca_err(pd->device, "Couldn't allocate squeue " "map ret=%i", ret); goto create_qp_exit3; } + INIT_LIST_HEAD(&my_qp->sq_err_node); + /* to avoid the generation of bogus flush CQEs */ + reset_queue_map(&my_qp->sq_map); } if (HAS_RQ(my_qp)) { @@ -736,6 +782,25 @@ static struct ehca_qp *internal_create_qp( "and pages ret=%i", ret); goto create_qp_exit4; } + + my_qp->rq_map.entries = my_qp->ipz_rqueue.queue_length / + my_qp->ipz_rqueue.qe_size; + my_qp->rq_map.map = vmalloc(my_qp->rq_map.entries * + sizeof(struct ehca_qmap_entry)); + if (!my_qp->rq_map.map) { + ehca_err(pd->device, "Couldn't allocate squeue " + "map ret=%i", ret); + goto create_qp_exit5; + } + INIT_LIST_HEAD(&my_qp->rq_err_node); + /* to avoid the generation of bogus flush CQEs */ + reset_queue_map(&my_qp->rq_map); + } else if (init_attr->srq) { + /* this is a base QP, use the queue map of the SRQ */ + my_qp->rq_map = my_srq->rq_map; + INIT_LIST_HEAD(&my_qp->rq_err_node); + + my_qp->ipz_rqueue = my_srq->ipz_rqueue; } if (is_srq) { @@ -799,7 +864,7 @@ static struct ehca_qp *internal_create_qp( if (ret) { ehca_err(pd->device, "Couldn't assign qp to send_cq ret=%i", ret); - goto create_qp_exit6; + goto create_qp_exit7; } } @@ -825,25 +890,29 @@ static struct ehca_qp *internal_create_qp( if (ib_copy_to_udata(udata, &resp, sizeof resp)) { ehca_err(pd->device, "Copy to udata failed"); ret = -EINVAL; - goto create_qp_exit7; + goto create_qp_exit8; } } return my_qp; -create_qp_exit7: +create_qp_exit8: ehca_cq_unassign_qp(my_qp->send_cq, my_qp->real_qp_num); -create_qp_exit6: +create_qp_exit7: kfree(my_qp->mod_qp_parm); +create_qp_exit6: + if (HAS_RQ(my_qp)) + vfree(my_qp->rq_map.map); + create_qp_exit5: if (HAS_RQ(my_qp)) ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue); create_qp_exit4: if (HAS_SQ(my_qp)) - vfree(my_qp->sq_map); + vfree(my_qp->sq_map.map); create_qp_exit3: if (HAS_SQ(my_qp)) @@ -1035,6 +1104,101 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, return 0; } +static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue, + struct ehca_queue_map *qmap) +{ + void *wqe_v; + u64 q_ofs; + u32 wqe_idx; + + /* convert real to abs address */ + wqe_p = wqe_p & (~(1UL << 63)); + + wqe_v = abs_to_virt(wqe_p); + + if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) { + ehca_gen_err("Invalid offset for calculating left cqes " + "wqe_p=%#lx wqe_v=%p\n", wqe_p, wqe_v); + return -EFAULT; + } + + wqe_idx = q_ofs / ipz_queue->qe_size; + if (wqe_idx < qmap->tail) + qmap->left_to_poll = (qmap->entries - qmap->tail) + wqe_idx; + else + qmap->left_to_poll = wqe_idx - qmap->tail; + + return 0; +} + +static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca) +{ + u64 h_ret; + void *send_wqe_p, *recv_wqe_p; + int ret; + unsigned long flags; + int qp_num = my_qp->ib_qp.qp_num; + + /* this hcall is not supported on base QPs */ + if (my_qp->ext_type != EQPT_SRQBASE) { + /* get send and receive wqe pointer */ + h_ret = hipz_h_disable_and_get_wqe(shca->ipz_hca_handle, + my_qp->ipz_qp_handle, &my_qp->pf, + &send_wqe_p, &recv_wqe_p, 4); + if (h_ret != H_SUCCESS) { + ehca_err(&shca->ib_device, "disable_and_get_wqe() " + "failed ehca_qp=%p qp_num=%x h_ret=%li", + my_qp, qp_num, h_ret); + return ehca2ib_return_code(h_ret); + } + + /* + * acquire lock to ensure that nobody is polling the cq which + * could mean that the qmap->tail pointer is in an + * inconsistent state. + */ + spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); + ret = calc_left_cqes((u64)send_wqe_p, &my_qp->ipz_squeue, + &my_qp->sq_map); + spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); + if (ret) + return ret; + + + spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); + ret = calc_left_cqes((u64)recv_wqe_p, &my_qp->ipz_rqueue, + &my_qp->rq_map); + spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags); + if (ret) + return ret; + } else { + spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); + my_qp->sq_map.left_to_poll = 0; + spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); + + spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); + my_qp->rq_map.left_to_poll = 0; + spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags); + } + + /* this assures flush cqes being generated only for pending wqes */ + if ((my_qp->sq_map.left_to_poll == 0) && + (my_qp->rq_map.left_to_poll == 0)) { + spin_lock_irqsave(&my_qp->send_cq->spinlock, flags); + ehca_add_to_err_list(my_qp, 1); + spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags); + + if (HAS_RQ(my_qp)) { + spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags); + ehca_add_to_err_list(my_qp, 0); + spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, + flags); + } + } + + return 0; +} + /* * internal_modify_qp with circumvention to handle aqp0 properly * smi_reset2init indicates if this is an internal reset-to-init-call for @@ -1539,10 +1703,27 @@ static int internal_modify_qp(struct ib_qp *ibqp, goto modify_qp_exit2; } } + if ((qp_new_state == IB_QPS_ERR) && (qp_cur_state != IB_QPS_ERR)) { + ret = check_for_left_cqes(my_qp, shca); + if (ret) + goto modify_qp_exit2; + } if (statetrans == IB_QPST_ANY2RESET) { ipz_qeit_reset(&my_qp->ipz_rqueue); ipz_qeit_reset(&my_qp->ipz_squeue); + + if (qp_cur_state == IB_QPS_ERR) { + del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node); + + if (HAS_RQ(my_qp)) + del_from_err_list(my_qp->recv_cq, + &my_qp->rq_err_node); + } + reset_queue_map(&my_qp->sq_map); + + if (HAS_RQ(my_qp)) + reset_queue_map(&my_qp->rq_map); } if (attr_mask & IB_QP_QKEY) @@ -1958,6 +2139,16 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, idr_remove(&ehca_qp_idr, my_qp->token); write_unlock_irqrestore(&ehca_qp_idr_lock, flags); + /* + * SRQs will never get into an error list and do not have a recv_cq, + * so we need to skip them here. + */ + if (HAS_RQ(my_qp) && !IS_SRQ(my_qp)) + del_from_err_list(my_qp->recv_cq, &my_qp->rq_err_node); + + if (HAS_SQ(my_qp)) + del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node); + /* now wait until all pending events have completed */ wait_event(my_qp->wait_completion, !atomic_read(&my_qp->nr_events)); @@ -1983,7 +2174,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, if (qp_type == IB_QPT_GSI) { struct ib_event event; ehca_info(dev, "device %s: port %x is inactive.", - shca->ib_device.name, port_num); + shca->ib_device.name, port_num); event.device = &shca->ib_device; event.event = IB_EVENT_PORT_ERR; event.element.port_num = port_num; @@ -1991,11 +2182,15 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, ib_dispatch_event(&event); } - if (HAS_RQ(my_qp)) + if (HAS_RQ(my_qp)) { ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue); + + vfree(my_qp->rq_map.map); + } if (HAS_SQ(my_qp)) { ipz_queue_dtor(my_pd, &my_qp->ipz_squeue); - vfree(my_qp->sq_map); + + vfree(my_qp->sq_map.map); } kmem_cache_free(qp_cache, my_qp); atomic_dec(&shca->num_qps); diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index 4426d82fe798..64928079eafa 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -53,9 +53,25 @@ /* in RC traffic, insert an empty RDMA READ every this many packets */ #define ACK_CIRC_THRESHOLD 2000000 +static u64 replace_wr_id(u64 wr_id, u16 idx) +{ + u64 ret; + + ret = wr_id & ~QMAP_IDX_MASK; + ret |= idx & QMAP_IDX_MASK; + + return ret; +} + +static u16 get_app_wr_id(u64 wr_id) +{ + return wr_id & QMAP_IDX_MASK; +} + static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue, struct ehca_wqe *wqe_p, - struct ib_recv_wr *recv_wr) + struct ib_recv_wr *recv_wr, + u32 rq_map_idx) { u8 cnt_ds; if (unlikely((recv_wr->num_sge < 0) || @@ -69,7 +85,7 @@ static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue, /* clear wqe header until sglist */ memset(wqe_p, 0, offsetof(struct ehca_wqe, u.ud_av.sg_list)); - wqe_p->work_request_id = recv_wr->wr_id; + wqe_p->work_request_id = replace_wr_id(recv_wr->wr_id, rq_map_idx); wqe_p->nr_of_data_seg = recv_wr->num_sge; for (cnt_ds = 0; cnt_ds < recv_wr->num_sge; cnt_ds++) { @@ -146,6 +162,7 @@ static inline int ehca_write_swqe(struct ehca_qp *qp, u64 dma_length; struct ehca_av *my_av; u32 remote_qkey = send_wr->wr.ud.remote_qkey; + struct ehca_qmap_entry *qmap_entry = &qp->sq_map.map[sq_map_idx]; if (unlikely((send_wr->num_sge < 0) || (send_wr->num_sge > qp->ipz_squeue.act_nr_of_sg))) { @@ -158,11 +175,10 @@ static inline int ehca_write_swqe(struct ehca_qp *qp, /* clear wqe header until sglist */ memset(wqe_p, 0, offsetof(struct ehca_wqe, u.ud_av.sg_list)); - wqe_p->work_request_id = send_wr->wr_id & ~QMAP_IDX_MASK; - wqe_p->work_request_id |= sq_map_idx & QMAP_IDX_MASK; + wqe_p->work_request_id = replace_wr_id(send_wr->wr_id, sq_map_idx); - qp->sq_map[sq_map_idx].app_wr_id = send_wr->wr_id & QMAP_IDX_MASK; - qp->sq_map[sq_map_idx].reported = 0; + qmap_entry->app_wr_id = get_app_wr_id(send_wr->wr_id); + qmap_entry->reported = 0; switch (send_wr->opcode) { case IB_WR_SEND: @@ -496,7 +512,9 @@ static int internal_post_recv(struct ehca_qp *my_qp, struct ehca_wqe *wqe_p; int wqe_cnt = 0; int ret = 0; + u32 rq_map_idx; unsigned long flags; + struct ehca_qmap_entry *qmap_entry; if (unlikely(!HAS_RQ(my_qp))) { ehca_err(dev, "QP has no RQ ehca_qp=%p qp_num=%x ext_type=%d", @@ -524,8 +542,15 @@ static int internal_post_recv(struct ehca_qp *my_qp, } goto post_recv_exit0; } + /* + * Get the index of the WQE in the recv queue. The same index + * is used for writing into the rq_map. + */ + rq_map_idx = start_offset / my_qp->ipz_rqueue.qe_size; + /* write a RECV WQE into the QUEUE */ - ret = ehca_write_rwqe(&my_qp->ipz_rqueue, wqe_p, cur_recv_wr); + ret = ehca_write_rwqe(&my_qp->ipz_rqueue, wqe_p, cur_recv_wr, + rq_map_idx); /* * if something failed, * reset the free entry pointer to the start value @@ -540,6 +565,11 @@ static int internal_post_recv(struct ehca_qp *my_qp, } goto post_recv_exit0; } + + qmap_entry = &my_qp->rq_map.map[rq_map_idx]; + qmap_entry->app_wr_id = get_app_wr_id(cur_recv_wr->wr_id); + qmap_entry->reported = 0; + wqe_cnt++; } /* eof for cur_recv_wr */ @@ -596,10 +626,12 @@ static const u8 ib_wc_opcode[255] = { /* internal function to poll one entry of cq */ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc) { - int ret = 0; + int ret = 0, qmap_tail_idx; struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); struct ehca_cqe *cqe; struct ehca_qp *my_qp; + struct ehca_qmap_entry *qmap_entry; + struct ehca_queue_map *qmap; int cqe_count = 0, is_error; repoll: @@ -674,27 +706,52 @@ repoll: goto repoll; wc->qp = &my_qp->ib_qp; - if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT)) { - struct ehca_qmap_entry *qmap_entry; + if (is_error) { /* - * We got a send completion and need to restore the original - * wr_id. + * set left_to_poll to 0 because in error state, we will not + * get any additional CQEs */ - qmap_entry = &my_qp->sq_map[cqe->work_request_id & - QMAP_IDX_MASK]; + ehca_add_to_err_list(my_qp, 1); + my_qp->sq_map.left_to_poll = 0; - if (qmap_entry->reported) { - ehca_warn(cq->device, "Double cqe on qp_num=%#x", - my_qp->real_qp_num); - /* found a double cqe, discard it and read next one */ - goto repoll; - } - wc->wr_id = cqe->work_request_id & ~QMAP_IDX_MASK; - wc->wr_id |= qmap_entry->app_wr_id; - qmap_entry->reported = 1; - } else + if (HAS_RQ(my_qp)) + ehca_add_to_err_list(my_qp, 0); + my_qp->rq_map.left_to_poll = 0; + } + + qmap_tail_idx = get_app_wr_id(cqe->work_request_id); + if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT)) + /* We got a send completion. */ + qmap = &my_qp->sq_map; + else /* We got a receive completion. */ - wc->wr_id = cqe->work_request_id; + qmap = &my_qp->rq_map; + + qmap_entry = &qmap->map[qmap_tail_idx]; + if (qmap_entry->reported) { + ehca_warn(cq->device, "Double cqe on qp_num=%#x", + my_qp->real_qp_num); + /* found a double cqe, discard it and read next one */ + goto repoll; + } + + wc->wr_id = replace_wr_id(cqe->work_request_id, qmap_entry->app_wr_id); + qmap_entry->reported = 1; + + /* this is a proper completion, we need to advance the tail pointer */ + if (++qmap->tail == qmap->entries) + qmap->tail = 0; + + /* if left_to_poll is decremented to 0, add the QP to the error list */ + if (qmap->left_to_poll > 0) { + qmap->left_to_poll--; + if ((my_qp->sq_map.left_to_poll == 0) && + (my_qp->rq_map.left_to_poll == 0)) { + ehca_add_to_err_list(my_qp, 1); + if (HAS_RQ(my_qp)) + ehca_add_to_err_list(my_qp, 0); + } + } /* eval ib_wc_opcode */ wc->opcode = ib_wc_opcode[cqe->optype]-1; @@ -733,13 +790,88 @@ poll_cq_one_exit0: return ret; } +static int generate_flush_cqes(struct ehca_qp *my_qp, struct ib_cq *cq, + struct ib_wc *wc, int num_entries, + struct ipz_queue *ipz_queue, int on_sq) +{ + int nr = 0; + struct ehca_wqe *wqe; + u64 offset; + struct ehca_queue_map *qmap; + struct ehca_qmap_entry *qmap_entry; + + if (on_sq) + qmap = &my_qp->sq_map; + else + qmap = &my_qp->rq_map; + + qmap_entry = &qmap->map[qmap->tail]; + + while ((nr < num_entries) && (qmap_entry->reported == 0)) { + /* generate flush CQE */ + memset(wc, 0, sizeof(*wc)); + + offset = qmap->tail * ipz_queue->qe_size; + wqe = (struct ehca_wqe *)ipz_qeit_calc(ipz_queue, offset); + if (!wqe) { + ehca_err(cq->device, "Invalid wqe offset=%#lx on " + "qp_num=%#x", offset, my_qp->real_qp_num); + return nr; + } + + wc->wr_id = replace_wr_id(wqe->work_request_id, + qmap_entry->app_wr_id); + + if (on_sq) { + switch (wqe->optype) { + case WQE_OPTYPE_SEND: + wc->opcode = IB_WC_SEND; + break; + case WQE_OPTYPE_RDMAWRITE: + wc->opcode = IB_WC_RDMA_WRITE; + break; + case WQE_OPTYPE_RDMAREAD: + wc->opcode = IB_WC_RDMA_READ; + break; + default: + ehca_err(cq->device, "Invalid optype=%x", + wqe->optype); + return nr; + } + } else + wc->opcode = IB_WC_RECV; + + if (wqe->wr_flag & WQE_WRFLAG_IMM_DATA_PRESENT) { + wc->ex.imm_data = wqe->immediate_data; + wc->wc_flags |= IB_WC_WITH_IMM; + } + + wc->status = IB_WC_WR_FLUSH_ERR; + + wc->qp = &my_qp->ib_qp; + + /* mark as reported and advance tail pointer */ + qmap_entry->reported = 1; + if (++qmap->tail == qmap->entries) + qmap->tail = 0; + qmap_entry = &qmap->map[qmap->tail]; + + wc++; nr++; + } + + return nr; + +} + int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc) { struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); int nr; + struct ehca_qp *err_qp; struct ib_wc *current_wc = wc; int ret = 0; unsigned long flags; + int entries_left = num_entries; if (num_entries < 1) { ehca_err(cq->device, "Invalid num_entries=%d ehca_cq=%p " @@ -749,15 +881,40 @@ int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc) } spin_lock_irqsave(&my_cq->spinlock, flags); - for (nr = 0; nr < num_entries; nr++) { + + /* generate flush cqes for send queues */ + list_for_each_entry(err_qp, &my_cq->sqp_err_list, sq_err_node) { + nr = generate_flush_cqes(err_qp, cq, current_wc, entries_left, + &err_qp->ipz_squeue, 1); + entries_left -= nr; + current_wc += nr; + + if (entries_left == 0) + break; + } + + /* generate flush cqes for receive queues */ + list_for_each_entry(err_qp, &my_cq->rqp_err_list, rq_err_node) { + nr = generate_flush_cqes(err_qp, cq, current_wc, entries_left, + &err_qp->ipz_rqueue, 0); + entries_left -= nr; + current_wc += nr; + + if (entries_left == 0) + break; + } + + for (nr = 0; nr < entries_left; nr++) { ret = ehca_poll_cq_one(cq, current_wc); if (ret) break; current_wc++; } /* eof for nr */ + entries_left -= nr; + spin_unlock_irqrestore(&my_cq->spinlock, flags); if (ret == -EAGAIN || !ret) - ret = nr; + ret = num_entries - entries_left; poll_cq_exit0: return ret; -- GitLab From 940358967599ba9057b3c51ba906e1cd5b984729 Mon Sep 17 00:00:00 2001 From: Ralph Campbell Date: Sat, 20 Sep 2008 20:05:51 -0700 Subject: [PATCH 1952/6244] IB/ipath: Fix SLID generation for RC/UC QPs when LMC > 0 The code to set the source LID in the sent LRH was not setting the low bits if LMC != 0 for RC/UC QPs. Signed-off-by: Ralph Campbell Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_rc.c | 3 ++- drivers/infiniband/hw/ipath/ipath_ruc.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 97710522624d..7b93cda1a4bd 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -675,7 +675,8 @@ static void send_rc_ack(struct ipath_qp *qp) hdr.lrh[0] = cpu_to_be16(lrh0); hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid); hdr.lrh[2] = cpu_to_be16(hwords + SIZE_OF_CRC); - hdr.lrh[3] = cpu_to_be16(dd->ipath_lid); + hdr.lrh[3] = cpu_to_be16(dd->ipath_lid | + qp->remote_ah_attr.src_path_bits); ohdr->bth[0] = cpu_to_be32(bth0); ohdr->bth[1] = cpu_to_be32(qp->remote_qpn); ohdr->bth[2] = cpu_to_be32(qp->r_ack_psn & IPATH_PSN_MASK); diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index af051f757663..fc0f6d9e6030 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -618,7 +618,8 @@ void ipath_make_ruc_header(struct ipath_ibdev *dev, struct ipath_qp *qp, qp->s_hdr.lrh[0] = cpu_to_be16(lrh0); qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid); qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC); - qp->s_hdr.lrh[3] = cpu_to_be16(dev->dd->ipath_lid); + qp->s_hdr.lrh[3] = cpu_to_be16(dev->dd->ipath_lid | + qp->remote_ah_attr.src_path_bits); bth0 |= ipath_get_pkey(dev->dd, qp->s_pkey_index); bth0 |= extra_bytes << 20; ohdr->bth[0] = cpu_to_be32(bth0 | (1 << 22)); -- GitLab From 7097228c54e7348d8c8c6dccc96e50191e39c2f8 Mon Sep 17 00:00:00 2001 From: Michael Brooks Date: Sat, 20 Sep 2008 20:06:16 -0700 Subject: [PATCH 1953/6244] IB/mad: Don't discard BMA responses in kernel This fixes the problem of incoming BMA responses being dropped due to a bad "is response" check. Fix the test to use the ib_response_mad() predicate, which correctly handles BMA MADs. This fixes . Signed-off-by: Michael Brooks Acked-by: Sean Hefty Signed-off-by: Roland Dreier --- drivers/infiniband/core/mad.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 1adf2efd3cb3..49c45feccd5b 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -1697,9 +1697,8 @@ static inline int rcv_has_same_gid(struct ib_mad_agent_private *mad_agent_priv, u8 port_num = mad_agent_priv->agent.port_num; u8 lmc; - send_resp = ((struct ib_mad *)(wr->send_buf.mad))-> - mad_hdr.method & IB_MGMT_METHOD_RESP; - rcv_resp = rwc->recv_buf.mad->mad_hdr.method & IB_MGMT_METHOD_RESP; + send_resp = ib_response_mad((struct ib_mad *)wr->send_buf.mad); + rcv_resp = ib_response_mad(rwc->recv_buf.mad); if (send_resp == rcv_resp) /* both requests, or both responses. GIDs different */ -- GitLab From cd86f420614c1a2dea9c21d7f4f1acb5ec2465b2 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 20 Sep 2008 20:06:32 -0700 Subject: [PATCH 1954/6244] IB: Drop code after return statement A break after a return serves no purpose, remove it. Signed-off-by: Julia Lawall Reviewed-by: Richard Genoud Signed-off-by: Roland Dreier --- drivers/infiniband/hw/amso1100/c2_provider.c | 1 - drivers/infiniband/hw/nes/nes_verbs.c | 3 --- 2 files changed, 4 deletions(-) diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c index 2acf9b62cf99..69580e282af0 100644 --- a/drivers/infiniband/hw/amso1100/c2_provider.c +++ b/drivers/infiniband/hw/amso1100/c2_provider.c @@ -272,7 +272,6 @@ static struct ib_qp *c2_create_qp(struct ib_pd *pd, pr_debug("%s: Invalid QP type: %d\n", __func__, init_attr->qp_type); return ERR_PTR(-EINVAL); - break; } if (err) { diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index d79942e84979..932e56fcf774 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1467,7 +1467,6 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, default: nes_debug(NES_DBG_QP, "Invalid QP type: %d\n", init_attr->qp_type); return ERR_PTR(-EINVAL); - break; } /* update the QP table */ @@ -2498,7 +2497,6 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, nes_debug(NES_DBG_MR, "Leaving, ibmr=%p", ibmr); return ibmr; - break; case IWNES_MEMREG_TYPE_QP: case IWNES_MEMREG_TYPE_CQ: nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL); @@ -2572,7 +2570,6 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, nesmr->ibmr.lkey = -1; nesmr->mode = req.reg_type; return &nesmr->ibmr; - break; } return ERR_PTR(-ENOSYS); -- GitLab From 887f1ae3bc1701604a7b5ef145e1021072675444 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 12:06:43 +0900 Subject: [PATCH 1955/6244] sh: Look up the trap vector for the page fault notifier. Signed-off-by: Paul Mundt --- arch/sh/mm/fault_32.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 659811c179e6..ef01f45daa8a 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -21,26 +21,21 @@ #include #include -#ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, int trap) { int ret = 0; +#ifdef CONFIG_KPROBES if (!user_mode(regs)) { preempt_disable(); if (kprobe_running() && kprobe_fault_handler(regs, trap)) ret = 1; preempt_enable(); } +#endif return ret; } -#else -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - return 0; -} -#endif /* * This routine handles page faults. It determines the address, @@ -58,7 +53,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, int fault; siginfo_t info; - if (notify_page_fault(regs, writeaccess)) + if (notify_page_fault(regs, lookup_exception_vector())) return; #ifdef CONFIG_SH_KGDB @@ -293,7 +288,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pte_t *pte; pte_t entry; - if (notify_page_fault(regs, writeaccess)) + if (notify_page_fault(regs, lookup_exception_vector())) return 0; #ifdef CONFIG_SH_KGDB -- GitLab From 8f2baee28093ea77c7cc8da45049fd94cc76998e Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 12:11:25 +0900 Subject: [PATCH 1956/6244] sh: Kill off duplicate page fault notifiers in slow path. We already have hooks in place in the __do_page_fault() fast-path, so kill them off in the slow path. Signed-off-by: Paul Mundt --- arch/sh/mm/fault_32.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index ef01f45daa8a..08a08ea5d69f 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -53,13 +53,10 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, int fault; siginfo_t info; - if (notify_page_fault(regs, lookup_exception_vector())) - return; - -#ifdef CONFIG_SH_KGDB - if (kgdb_nofault && kgdb_bus_err_hook) - kgdb_bus_err_hook(); -#endif + /* + * We don't bother with any notifier callbacks here, as they are + * all handled through the __do_page_fault() fast-path. + */ tsk = current; si_code = SEGV_MAPERR; -- GitLab From 64edc2736e23994e0334b70c5ff08dc33e2ebbd9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:18:32 -0700 Subject: [PATCH 1957/6244] tcp: Partial hint clearing has again become meaningless MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Ie., the difference between partial and all clearing doesn't exists anymore since the SACK optimizations got dropped by an sacktag rewrite. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- include/net/tcp.h | 7 +------ net/ipv4/tcp_input.c | 5 ++--- net/ipv4/tcp_output.c | 4 ++-- 3 files changed, 5 insertions(+), 11 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index 8983386356a5..b71676326950 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1035,7 +1035,7 @@ static inline void tcp_mib_init(struct net *net) } /* from STCP */ -static inline void tcp_clear_retrans_hints_partial(struct tcp_sock *tp) +static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) { tp->lost_skb_hint = NULL; tp->scoreboard_skb_hint = NULL; @@ -1043,11 +1043,6 @@ static inline void tcp_clear_retrans_hints_partial(struct tcp_sock *tp) tp->forward_skb_hint = NULL; } -static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) -{ - tcp_clear_retrans_hints_partial(tp); -} - /* MD5 Signature */ struct crypto_hash; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index f79a51607292..7306bfb16cdb 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1883,7 +1883,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag) tp->high_seq = tp->snd_nxt; TCP_ECN_queue_cwr(tp); - tcp_clear_retrans_hints_partial(tp); + tcp_clear_all_retrans_hints(tp); } static void tcp_clear_retrans_partial(struct tcp_sock *tp) @@ -1934,12 +1934,11 @@ void tcp_enter_loss(struct sock *sk, int how) /* Push undo marker, if it was plain RTO and nothing * was retransmitted. */ tp->undo_marker = tp->snd_una; - tcp_clear_retrans_hints_partial(tp); } else { tp->sacked_out = 0; tp->fackets_out = 0; - tcp_clear_all_retrans_hints(tp); } + tcp_clear_all_retrans_hints(tp); tcp_for_write_queue(skb, sk) { if (skb == tcp_send_head(sk)) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 8165f5aa8c71..11490958a096 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -750,7 +750,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, BUG_ON(len > skb->len); - tcp_clear_retrans_hints_partial(tp); + tcp_clear_all_retrans_hints(tp); nsize = skb_headlen(skb) - len; if (nsize < 0) nsize = 0; @@ -1823,7 +1823,7 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, tp->packets_out -= tcp_skb_pcount(next_skb); /* changed transmit queue under us so clear hints */ - tcp_clear_retrans_hints_partial(tp); + tcp_clear_all_retrans_hints(tp); sk_wmem_free_skb(sk, next_skb); } -- GitLab From c8c213f20ce97c66fe2ff86f33814d1ca0f9d7ea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:18:55 -0700 Subject: [PATCH 1958/6244] tcp: move tcp_verify_retransmit_hint MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 7306bfb16cdb..9e95ad637db9 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -979,6 +979,19 @@ static void tcp_update_reordering(struct sock *sk, const int metric, } } +/* RFC: This is from the original, I doubt that this is necessary at all: + * clear xmit_retrans hint if seq of this skb is beyond hint. How could we + * retransmitted past LOST markings in the first place? I'm not fully sure + * about undo and end of connection cases, which can cause R without L? + */ +static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb) +{ + if ((tp->retransmit_skb_hint != NULL) && + before(TCP_SKB_CB(skb)->seq, + TCP_SKB_CB(tp->retransmit_skb_hint)->seq)) + tp->retransmit_skb_hint = NULL; +} + /* This procedure tags the retransmission queue when SACKs arrive. * * We have three tag bits: SACKED(S), RETRANS(R) and LOST(L). @@ -2156,19 +2169,6 @@ static int tcp_time_to_recover(struct sock *sk) return 0; } -/* RFC: This is from the original, I doubt that this is necessary at all: - * clear xmit_retrans hint if seq of this skb is beyond hint. How could we - * retransmitted past LOST markings in the first place? I'm not fully sure - * about undo and end of connection cases, which can cause R without L? - */ -static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb) -{ - if ((tp->retransmit_skb_hint != NULL) && - before(TCP_SKB_CB(skb)->seq, - TCP_SKB_CB(tp->retransmit_skb_hint)->seq)) - tp->retransmit_skb_hint = NULL; -} - /* Mark head of queue up as lost. With RFC3517 SACK, the packets is * is against sacked "cnt", otherwise it's against facked "cnt" */ -- GitLab From 41ea36e35a0daa75377b3e70680e5c3a3f83fe27 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:19:22 -0700 Subject: [PATCH 1959/6244] tcp: add helper for lost bit toggling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This useful because we'd need to verifying soon in many places which makes things slightly more complex than it used to be. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9e95ad637db9..12512336dbd8 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -992,6 +992,16 @@ static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb) tp->retransmit_skb_hint = NULL; } +static void tcp_skb_mark_lost(struct tcp_sock *tp, struct sk_buff *skb) +{ + if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_ACKED))) { + tcp_verify_retransmit_hint(tp, skb); + + tp->lost_out += tcp_skb_pcount(skb); + TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; + } +} + /* This procedure tags the retransmission queue when SACKs arrive. * * We have three tag bits: SACKED(S), RETRANS(R) and LOST(L). @@ -2216,11 +2226,7 @@ static void tcp_mark_head_lost(struct sock *sk, int packets) cnt = packets; } - if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_SACKED_ACKED|TCPCB_LOST))) { - TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - tp->lost_out += tcp_skb_pcount(skb); - tcp_verify_retransmit_hint(tp, skb); - } + tcp_skb_mark_lost(tp, skb); } tcp_verify_left_out(tp); } @@ -2262,11 +2268,7 @@ static void tcp_update_scoreboard(struct sock *sk, int fast_rexmit) if (!tcp_skb_timedout(sk, skb)) break; - if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_SACKED_ACKED|TCPCB_LOST))) { - TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - tp->lost_out += tcp_skb_pcount(skb); - tcp_verify_retransmit_hint(tp, skb); - } + tcp_skb_mark_lost(tp, skb); } tp->scoreboard_skb_hint = skb; -- GitLab From 006f582c73f4eda35e06fd323193c3df43fb3459 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:20:20 -0700 Subject: [PATCH 1960/6244] tcp: convert retransmit_cnt_hint to seqno MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Main benefit in this is that we can then freely point the retransmit_skb_hint to anywhere we want to because there's no longer need to know what would be the count changes involve, and since this is really used only as a terminator, unnecessary work is one time walk at most, and if some retransmissions are necessary after that point later on, the walk is not full waste of time anyway. Since retransmit_high must be kept valid, all lost markers must ensure that. Now I also have learned how those "holes" in the rexmittable skbs can appear, mtu probe does them. So I removed the misleading comment as well. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- include/linux/tcp.h | 2 +- include/net/tcp.h | 2 ++ net/ipv4/tcp_input.c | 34 ++++++++++++++++++++-------------- net/ipv4/tcp_output.c | 25 +++++++------------------ 4 files changed, 30 insertions(+), 33 deletions(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 2e2557388e36..d7637c4b2840 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -358,7 +358,7 @@ struct tcp_sock { */ int lost_cnt_hint; - int retransmit_cnt_hint; + u32 retransmit_high; /* L-bits may be on up to this seqno */ u32 lost_retrans_low; /* Sent seq after any rxmit (lowest) */ diff --git a/include/net/tcp.h b/include/net/tcp.h index b71676326950..d0e90c50722b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -472,6 +472,8 @@ extern void tcp_send_delayed_ack(struct sock *sk); /* tcp_input.c */ extern void tcp_cwnd_application_limited(struct sock *sk); +extern void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, + struct sk_buff *skb); /* tcp_timer.c */ extern void tcp_init_xmit_timers(struct sock *); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 12512336dbd8..d271cc825005 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -979,17 +979,17 @@ static void tcp_update_reordering(struct sock *sk, const int metric, } } -/* RFC: This is from the original, I doubt that this is necessary at all: - * clear xmit_retrans hint if seq of this skb is beyond hint. How could we - * retransmitted past LOST markings in the first place? I'm not fully sure - * about undo and end of connection cases, which can cause R without L? - */ +/* This must be called before lost_out is incremented */ static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb) { - if ((tp->retransmit_skb_hint != NULL) && + if ((tp->retransmit_skb_hint == NULL) || before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->retransmit_skb_hint)->seq)) - tp->retransmit_skb_hint = NULL; + tp->retransmit_skb_hint = skb; + + if (!tp->lost_out || + after(TCP_SKB_CB(skb)->end_seq, tp->retransmit_high)) + tp->retransmit_high = TCP_SKB_CB(skb)->end_seq; } static void tcp_skb_mark_lost(struct tcp_sock *tp, struct sk_buff *skb) @@ -1002,6 +1002,16 @@ static void tcp_skb_mark_lost(struct tcp_sock *tp, struct sk_buff *skb) } } +void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp, struct sk_buff *skb) +{ + tcp_verify_retransmit_hint(tp, skb); + + if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_ACKED))) { + tp->lost_out += tcp_skb_pcount(skb); + TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; + } +} + /* This procedure tags the retransmission queue when SACKs arrive. * * We have three tag bits: SACKED(S), RETRANS(R) and LOST(L). @@ -1178,13 +1188,7 @@ static void tcp_mark_lost_retrans(struct sock *sk) TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; tp->retrans_out -= tcp_skb_pcount(skb); - /* clear lost hint */ - tp->retransmit_skb_hint = NULL; - - if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_ACKED))) { - tp->lost_out += tcp_skb_pcount(skb); - TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - } + tcp_skb_mark_lost_uncond_verify(tp, skb); NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPLOSTRETRANSMIT); } else { if (before(ack_seq, new_low_seq)) @@ -1890,6 +1894,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag) if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) { TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; tp->lost_out += tcp_skb_pcount(skb); + tp->retransmit_high = TCP_SKB_CB(skb)->end_seq; } } tcp_verify_left_out(tp); @@ -1974,6 +1979,7 @@ void tcp_enter_loss(struct sock *sk, int how) TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_ACKED; TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; tp->lost_out += tcp_skb_pcount(skb); + tp->retransmit_high = TCP_SKB_CB(skb)->end_seq; } } tcp_verify_left_out(tp); diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 11490958a096..cfae61b40c44 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1838,7 +1838,7 @@ void tcp_simple_retransmit(struct sock *sk) struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; unsigned int mss = tcp_current_mss(sk, 0); - int lost = 0; + u32 prior_lost = tp->lost_out; tcp_for_write_queue(skb, sk) { if (skb == tcp_send_head(sk)) @@ -1849,17 +1849,13 @@ void tcp_simple_retransmit(struct sock *sk) TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; tp->retrans_out -= tcp_skb_pcount(skb); } - if (!(TCP_SKB_CB(skb)->sacked & TCPCB_LOST)) { - TCP_SKB_CB(skb)->sacked |= TCPCB_LOST; - tp->lost_out += tcp_skb_pcount(skb); - lost = 1; - } + tcp_skb_mark_lost_uncond_verify(tp, skb); } } tcp_clear_all_retrans_hints(tp); - if (!lost) + if (prior_lost == tp->lost_out) return; if (tcp_is_reno(tp)) @@ -2009,15 +2005,11 @@ void tcp_xmit_retransmit_queue(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - int packet_cnt; - if (tp->retransmit_skb_hint) { + if (tp->retransmit_skb_hint) skb = tp->retransmit_skb_hint; - packet_cnt = tp->retransmit_cnt_hint; - } else { + else skb = tcp_write_queue_head(sk); - packet_cnt = 0; - } /* First pass: retransmit lost packets. */ if (tp->lost_out) { @@ -2028,7 +2020,6 @@ void tcp_xmit_retransmit_queue(struct sock *sk) break; /* we could do better than to assign each time */ tp->retransmit_skb_hint = skb; - tp->retransmit_cnt_hint = packet_cnt; /* Assume this retransmit will generate * only one packet for congestion window @@ -2039,6 +2030,8 @@ void tcp_xmit_retransmit_queue(struct sock *sk) */ if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) return; + if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) + break; if (sacked & TCPCB_LOST) { if (!(sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS))) { @@ -2059,10 +2052,6 @@ void tcp_xmit_retransmit_queue(struct sock *sk) inet_csk(sk)->icsk_rto, TCP_RTO_MAX); } - - packet_cnt += tcp_skb_pcount(skb); - if (packet_cnt >= tp->lost_out) - break; } } } -- GitLab From f09142eddb75005e41b0af3e5214979d8b534b1d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:20:50 -0700 Subject: [PATCH 1961/6244] tcp: Kill precaution that's very likely obsolete MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I suspect it might have been related to the changed amount of lost skbs, which was counted by retransmit_cnt_hint that got changed. The place for this clearing was very illogical anyway, it should have been after the LOST-bit clearing loop to make any sense. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index d271cc825005..28e93f1e4217 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2385,10 +2385,6 @@ static void tcp_undo_cwr(struct sock *sk, const int undo) } tcp_moderate_cwnd(tp); tp->snd_cwnd_stamp = tcp_time_stamp; - - /* There is something screwy going on with the retrans hints after - an undo */ - tcp_clear_all_retrans_hints(tp); } static inline int tcp_may_undo(struct tcp_sock *tp) -- GitLab From 184d68b2b0b836587f92887b14baea41033ffeef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:21:16 -0700 Subject: [PATCH 1962/6244] tcp: No need to clear retransmit_skb_hint when SACKing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Because lost counter no longer requires tuning, this is trivial to remove (the tuning wouldn't have been too hard either) because no "new" retransmittable skb appeared below retransmit_skb_hint when SACKing for sure. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 28e93f1e4217..d017aed6edd7 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1298,9 +1298,6 @@ static int tcp_sacktag_one(struct sk_buff *skb, struct sock *sk, ~(TCPCB_LOST|TCPCB_SACKED_RETRANS); tp->lost_out -= tcp_skb_pcount(skb); tp->retrans_out -= tcp_skb_pcount(skb); - - /* clear lost hint */ - tp->retransmit_skb_hint = NULL; } } else { if (!(sacked & TCPCB_RETRANS)) { @@ -1319,9 +1316,6 @@ static int tcp_sacktag_one(struct sk_buff *skb, struct sock *sk, if (sacked & TCPCB_LOST) { TCP_SKB_CB(skb)->sacked &= ~TCPCB_LOST; tp->lost_out -= tcp_skb_pcount(skb); - - /* clear lost hint */ - tp->retransmit_skb_hint = NULL; } } @@ -1351,7 +1345,6 @@ static int tcp_sacktag_one(struct sk_buff *skb, struct sock *sk, if (dup_sack && (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS)) { TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; tp->retrans_out -= tcp_skb_pcount(skb); - tp->retransmit_skb_hint = NULL; } return flag; -- GitLab From b5afe7bc71a1689376c9b547376d17568469f3b3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:21:54 -0700 Subject: [PATCH 1963/6244] tcp: add tcp_can_forward_retransmit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 46 ++++++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index cfae61b40c44..957c4e3d2176 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1992,6 +1992,33 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) return err; } +static int tcp_can_forward_retransmit(struct sock *sk) +{ + const struct inet_connection_sock *icsk = inet_csk(sk); + struct tcp_sock *tp = tcp_sk(sk); + + /* Forward retransmissions are possible only during Recovery. */ + if (icsk->icsk_ca_state != TCP_CA_Recovery) + return 0; + + /* No forward retransmissions in Reno are possible. */ + if (tcp_is_reno(tp)) + return 0; + + /* Yeah, we have to make difficult choice between forward transmission + * and retransmission... Both ways have their merits... + * + * For now we do not retransmit anything, while we have some new + * segments to send. In the other cases, follow rule 3 for + * NextSeg() specified in RFC3517. + */ + + if (tcp_may_send_now(sk)) + return 0; + + return 1; +} + /* This gets called after a retransmit timeout, and the initially * retransmitted data is acknowledged. It tries to continue * resending the rest of the retransmit queue, until either @@ -2057,24 +2084,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk) } /* OK, demanded retransmission is finished. */ - - /* Forward retransmissions are possible only during Recovery. */ - if (icsk->icsk_ca_state != TCP_CA_Recovery) - return; - - /* No forward retransmissions in Reno are possible. */ - if (tcp_is_reno(tp)) - return; - - /* Yeah, we have to make difficult choice between forward transmission - * and retransmission... Both ways have their merits... - * - * For now we do not retransmit anything, while we have some new - * segments to send. In the other cases, follow rule 3 for - * NextSeg() specified in RFC3517. - */ - - if (tcp_may_send_now(sk)) + if (!tcp_can_forward_retransmit(sk)) return; /* If nothing is SACKed, highest_sack in the loop won't be valid */ -- GitLab From 34638570b58290e8cb875fb24dcbe836ffeb6cb8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:22:17 -0700 Subject: [PATCH 1964/6244] tcp: remove obsolete validity concern MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 957c4e3d2176..6f2a3f4a1af3 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2087,10 +2087,6 @@ void tcp_xmit_retransmit_queue(struct sock *sk) if (!tcp_can_forward_retransmit(sk)) return; - /* If nothing is SACKed, highest_sack in the loop won't be valid */ - if (!tp->sacked_out) - return; - if (tp->forward_skb_hint) skb = tp->forward_skb_hint; else -- GitLab From 61eb55f4db7eaf5fb2d5ec12981a8cda755bb0e1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:22:59 -0700 Subject: [PATCH 1965/6244] tcp: Reorganize skb tagbit checks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 6f2a3f4a1af3..2f24ecc37067 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2032,6 +2032,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; + int mib_idx; if (tp->retransmit_skb_hint) skb = tp->retransmit_skb_hint; @@ -2059,27 +2060,26 @@ void tcp_xmit_retransmit_queue(struct sock *sk) return; if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) break; + if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) + continue; - if (sacked & TCPCB_LOST) { - if (!(sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS))) { - int mib_idx; - - if (tcp_retransmit_skb(sk, skb)) { - tp->retransmit_skb_hint = NULL; - return; - } - if (icsk->icsk_ca_state != TCP_CA_Loss) - mib_idx = LINUX_MIB_TCPFASTRETRANS; - else - mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; - NET_INC_STATS_BH(sock_net(sk), mib_idx); - - if (skb == tcp_write_queue_head(sk)) - inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, - inet_csk(sk)->icsk_rto, - TCP_RTO_MAX); - } + if (!(sacked & TCPCB_LOST)) + continue; + + if (tcp_retransmit_skb(sk, skb)) { + tp->retransmit_skb_hint = NULL; + return; } + if (icsk->icsk_ca_state != TCP_CA_Loss) + mib_idx = LINUX_MIB_TCPFASTRETRANS; + else + mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; + NET_INC_STATS_BH(sock_net(sk), mib_idx); + + if (skb == tcp_write_queue_head(sk)) + inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, + inet_csk(sk)->icsk_rto, + TCP_RTO_MAX); } } -- GitLab From 08ebd1721ab8fd362e90ae17b461c07b23fa2824 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:23:49 -0700 Subject: [PATCH 1966/6244] tcp: remove tp->lost_out guard to make joining diff nicer MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The validity of the retransmit_high must then be ensured if no L'ed skb exits! This makes a minor change to behavior, we now have to iterate the head to find out that the loop terminates. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 75 ++++++++++++++++++++++--------------------- 1 file changed, 38 insertions(+), 37 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 2f24ecc37067..9f44be633ef6 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2034,53 +2034,54 @@ void tcp_xmit_retransmit_queue(struct sock *sk) struct sk_buff *skb; int mib_idx; + if (!tp->lost_out) + tp->retransmit_high = tp->snd_una; + if (tp->retransmit_skb_hint) skb = tp->retransmit_skb_hint; else skb = tcp_write_queue_head(sk); /* First pass: retransmit lost packets. */ - if (tp->lost_out) { - tcp_for_write_queue_from(skb, sk) { - __u8 sacked = TCP_SKB_CB(skb)->sacked; + tcp_for_write_queue_from(skb, sk) { + __u8 sacked = TCP_SKB_CB(skb)->sacked; - if (skb == tcp_send_head(sk)) - break; - /* we could do better than to assign each time */ - tp->retransmit_skb_hint = skb; - - /* Assume this retransmit will generate - * only one packet for congestion window - * calculation purposes. This works because - * tcp_retransmit_skb() will chop up the - * packet to be MSS sized and all the - * packet counting works out. - */ - if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) - return; - if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) - break; - if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) - continue; + if (skb == tcp_send_head(sk)) + break; + /* we could do better than to assign each time */ + tp->retransmit_skb_hint = skb; + + /* Assume this retransmit will generate + * only one packet for congestion window + * calculation purposes. This works because + * tcp_retransmit_skb() will chop up the + * packet to be MSS sized and all the + * packet counting works out. + */ + if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) + return; + if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) + break; + if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) + continue; - if (!(sacked & TCPCB_LOST)) - continue; + if (!(sacked & TCPCB_LOST)) + continue; - if (tcp_retransmit_skb(sk, skb)) { - tp->retransmit_skb_hint = NULL; - return; - } - if (icsk->icsk_ca_state != TCP_CA_Loss) - mib_idx = LINUX_MIB_TCPFASTRETRANS; - else - mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; - NET_INC_STATS_BH(sock_net(sk), mib_idx); - - if (skb == tcp_write_queue_head(sk)) - inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, - inet_csk(sk)->icsk_rto, - TCP_RTO_MAX); + if (tcp_retransmit_skb(sk, skb)) { + tp->retransmit_skb_hint = NULL; + return; } + if (icsk->icsk_ca_state != TCP_CA_Loss) + mib_idx = LINUX_MIB_TCPFASTRETRANS; + else + mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; + NET_INC_STATS_BH(sock_net(sk), mib_idx); + + if (skb == tcp_write_queue_head(sk)) + inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, + inet_csk(sk)->icsk_rto, + TCP_RTO_MAX); } /* OK, demanded retransmission is finished. */ -- GitLab From 0e1c54c2a405494281e0639aacc90db03b50ae77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:24:21 -0700 Subject: [PATCH 1967/6244] tcp: reorganize retransmit code loops MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Both loops are quite similar, so they can be combined with little effort. As a result, forward_skb_hint becomes obsolete as well. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- include/linux/tcp.h | 1 - include/net/tcp.h | 1 - net/ipv4/tcp_output.c | 79 ++++++++++++++++++------------------------- 3 files changed, 33 insertions(+), 48 deletions(-) diff --git a/include/linux/tcp.h b/include/linux/tcp.h index d7637c4b2840..767290628292 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -342,7 +342,6 @@ struct tcp_sock { struct sk_buff* lost_skb_hint; struct sk_buff *scoreboard_skb_hint; struct sk_buff *retransmit_skb_hint; - struct sk_buff *forward_skb_hint; struct sk_buff_head out_of_order_queue; /* Out of order segments go here */ diff --git a/include/net/tcp.h b/include/net/tcp.h index d0e90c50722b..220f54cf42ec 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1042,7 +1042,6 @@ static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) tp->lost_skb_hint = NULL; tp->scoreboard_skb_hint = NULL; tp->retransmit_skb_hint = NULL; - tp->forward_skb_hint = NULL; } /* MD5 Signature */ diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 9f44be633ef6..b5b4ddcdda41 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2032,7 +2032,9 @@ void tcp_xmit_retransmit_queue(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; + struct sk_buff *hole = NULL; int mib_idx; + int fwd_rexmitting = 0; if (!tp->lost_out) tp->retransmit_high = tp->snd_una; @@ -2049,7 +2051,8 @@ void tcp_xmit_retransmit_queue(struct sock *sk) if (skb == tcp_send_head(sk)) break; /* we could do better than to assign each time */ - tp->retransmit_skb_hint = skb; + if (hole == NULL) + tp->retransmit_skb_hint = skb; /* Assume this retransmit will generate * only one packet for congestion window @@ -2060,65 +2063,49 @@ void tcp_xmit_retransmit_queue(struct sock *sk) */ if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) return; - if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) - break; - if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) - continue; - - if (!(sacked & TCPCB_LOST)) - continue; - - if (tcp_retransmit_skb(sk, skb)) { - tp->retransmit_skb_hint = NULL; - return; - } - if (icsk->icsk_ca_state != TCP_CA_Loss) - mib_idx = LINUX_MIB_TCPFASTRETRANS; - else - mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; - NET_INC_STATS_BH(sock_net(sk), mib_idx); - - if (skb == tcp_write_queue_head(sk)) - inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, - inet_csk(sk)->icsk_rto, - TCP_RTO_MAX); - } - - /* OK, demanded retransmission is finished. */ - if (!tcp_can_forward_retransmit(sk)) - return; - if (tp->forward_skb_hint) - skb = tp->forward_skb_hint; - else - skb = tcp_write_queue_head(sk); + if (fwd_rexmitting) { +begin_fwd: + if (!before(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) + break; + mib_idx = LINUX_MIB_TCPFORWARDRETRANS; - tcp_for_write_queue_from(skb, sk) { - if (skb == tcp_send_head(sk)) - break; - tp->forward_skb_hint = skb; + } else if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) { + if (!tcp_can_forward_retransmit(sk)) + break; + /* Backtrack if necessary to non-L'ed skb */ + if (hole != NULL) { + skb = hole; + hole = NULL; + } + fwd_rexmitting = 1; + goto begin_fwd; - if (!before(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) - break; + } else if (!(sacked & TCPCB_LOST)) { + if (hole == NULL && !(sacked & TCPCB_SACKED_RETRANS)) + hole = skb; + continue; - if (tcp_packets_in_flight(tp) >= tp->snd_cwnd) - break; + } else { + if (icsk->icsk_ca_state != TCP_CA_Loss) + mib_idx = LINUX_MIB_TCPFASTRETRANS; + else + mib_idx = LINUX_MIB_TCPSLOWSTARTRETRANS; + } - if (TCP_SKB_CB(skb)->sacked & TCPCB_TAGBITS) + if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) continue; - /* Ok, retransmit it. */ if (tcp_retransmit_skb(sk, skb)) { - tp->forward_skb_hint = NULL; - break; + tp->retransmit_skb_hint = NULL; + return; } + NET_INC_STATS_BH(sock_net(sk), mib_idx); if (skb == tcp_write_queue_head(sk)) inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, inet_csk(sk)->icsk_rto, TCP_RTO_MAX); - - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPFORWARDRETRANS); } } -- GitLab From f0ceb0ed86b4792a4ed9d3438f5f7572e48f9803 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:24:49 -0700 Subject: [PATCH 1968/6244] tcp: remove retransmit_skb_hint clearing from failure MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This doesn't much sense here afaict, probably never has. Since fragmenting and collapsing deal the hints by themselves, there should be very little reason for the rexmit loop to do that. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b5b4ddcdda41..f900fae8b87e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2096,10 +2096,8 @@ begin_fwd: if (sacked & (TCPCB_SACKED_ACKED|TCPCB_SACKED_RETRANS)) continue; - if (tcp_retransmit_skb(sk, skb)) { - tp->retransmit_skb_hint = NULL; + if (tcp_retransmit_skb(sk, skb)) return; - } NET_INC_STATS_BH(sock_net(sk), mib_idx); if (skb == tcp_write_queue_head(sk)) -- GitLab From ef9da47c7cc64d69526331f315e76b5680d4048f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:25:15 -0700 Subject: [PATCH 1969/6244] tcp: don't clear retransmit_skb_hint when not necessary MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Most importantly avoid doing it with cumulative ACK. Not clearing means that we no longer need n^2 processing in resolution of each fast recovery. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- include/net/tcp.h | 7 ++++++- net/ipv4/tcp_input.c | 4 +++- net/ipv4/tcp_output.c | 8 +++++--- 3 files changed, 14 insertions(+), 5 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index 220f54cf42ec..ea815723d414 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1037,10 +1037,15 @@ static inline void tcp_mib_init(struct net *net) } /* from STCP */ -static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) +static inline void tcp_clear_retrans_hints_partial(struct tcp_sock *tp) { tp->lost_skb_hint = NULL; tp->scoreboard_skb_hint = NULL; +} + +static inline void tcp_clear_all_retrans_hints(struct tcp_sock *tp) +{ + tcp_clear_retrans_hints_partial(tp); tp->retransmit_skb_hint = NULL; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index d017aed6edd7..44a4fffc2cc3 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2925,7 +2925,9 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets) tcp_unlink_write_queue(skb, sk); sk_wmem_free_skb(sk, skb); - tcp_clear_all_retrans_hints(tp); + tcp_clear_retrans_hints_partial(tp); + if (skb == tp->retransmit_skb_hint) + tp->retransmit_skb_hint = NULL; } if (skb && (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index f900fae8b87e..239cea7b6c0e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -750,7 +750,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, BUG_ON(len > skb->len); - tcp_clear_all_retrans_hints(tp); + tcp_clear_retrans_hints_partial(tp); nsize = skb_headlen(skb) - len; if (nsize < 0) nsize = 0; @@ -1823,7 +1823,9 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, tp->packets_out -= tcp_skb_pcount(next_skb); /* changed transmit queue under us so clear hints */ - tcp_clear_all_retrans_hints(tp); + tcp_clear_retrans_hints_partial(tp); + if (next_skb == tp->retransmit_skb_hint) + tp->retransmit_skb_hint = skb; sk_wmem_free_skb(sk, next_skb); } @@ -1853,7 +1855,7 @@ void tcp_simple_retransmit(struct sock *sk) } } - tcp_clear_all_retrans_hints(tp); + tcp_clear_retrans_hints_partial(tp); if (prior_lost == tp->lost_out) return; -- GitLab From 90638a04ad8484b6b6c567656fb3f6d0689e23da Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:25:52 -0700 Subject: [PATCH 1970/6244] tcp: don't clear lost_skb_hint when not necessary MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Most importantly avoid doing it with cumulative ACK. However, since we have lost_cnt_hint in the picture as well needing adjustments, it's not as trivial as dealing with retransmit_skb_hint (and cannot be done in the all place we could trivially leave retransmit_skb_hint untouched). With the previous patch, this should mostly remove O(n^2) behavior while cumulative ACKs start flowing once rexmit after a lossy round-trip made it through. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_input.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 44a4fffc2cc3..85627f83665f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2844,6 +2844,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets) int flag = 0; u32 pkts_acked = 0; u32 reord = tp->packets_out; + u32 prior_sacked = tp->sacked_out; s32 seq_rtt = -1; s32 ca_seq_rtt = -1; ktime_t last_ackt = net_invalid_timestamp(); @@ -2925,9 +2926,11 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets) tcp_unlink_write_queue(skb, sk); sk_wmem_free_skb(sk, skb); - tcp_clear_retrans_hints_partial(tp); + tp->scoreboard_skb_hint = NULL; if (skb == tp->retransmit_skb_hint) tp->retransmit_skb_hint = NULL; + if (skb == tp->lost_skb_hint) + tp->lost_skb_hint = NULL; } if (skb && (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) @@ -2946,6 +2949,15 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets) /* Non-retransmitted hole got filled? That's reordering */ if (reord < prior_fackets) tcp_update_reordering(sk, tp->fackets_out - reord, 0); + + /* No need to care for underflows here because + * the lost_skb_hint gets NULLed if we're past it + * (or something non-trivial happened) + */ + if (tcp_is_fack(tp)) + tp->lost_cnt_hint -= pkts_acked; + else + tp->lost_cnt_hint -= prior_sacked - tp->sacked_out; } tp->fackets_out -= min(pkts_acked, tp->fackets_out); -- GitLab From 618d9f25548ba6fc3a9cd2ce5cd56f4f015b0635 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sat, 20 Sep 2008 21:26:22 -0700 Subject: [PATCH 1971/6244] tcp: back retransmit_high when it over-estimated MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If lost skb is sacked, we might have nothing to retransmit as high as the retransmit_high is pointing to, so place it lower to avoid unnecessary walking. This is mainly for the case where high L'ed skbs gets sacked. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_output.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 239cea7b6c0e..8f9793a37b61 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2035,16 +2035,22 @@ void tcp_xmit_retransmit_queue(struct sock *sk) struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; struct sk_buff *hole = NULL; + u32 last_lost; int mib_idx; int fwd_rexmitting = 0; if (!tp->lost_out) tp->retransmit_high = tp->snd_una; - if (tp->retransmit_skb_hint) + if (tp->retransmit_skb_hint) { skb = tp->retransmit_skb_hint; - else + last_lost = TCP_SKB_CB(skb)->end_seq; + if (after(last_lost, tp->retransmit_high)) + last_lost = tp->retransmit_high; + } else { skb = tcp_write_queue_head(sk); + last_lost = tp->snd_una; + } /* First pass: retransmit lost packets. */ tcp_for_write_queue_from(skb, sk) { @@ -2073,6 +2079,7 @@ begin_fwd: mib_idx = LINUX_MIB_TCPFORWARDRETRANS; } else if (!before(TCP_SKB_CB(skb)->seq, tp->retransmit_high)) { + tp->retransmit_high = last_lost; if (!tcp_can_forward_retransmit(sk)) break; /* Backtrack if necessary to non-L'ed skb */ @@ -2089,6 +2096,7 @@ begin_fwd: continue; } else { + last_lost = TCP_SKB_CB(skb)->end_seq; if (icsk->icsk_ca_state != TCP_CA_Loss) mib_idx = LINUX_MIB_TCPFASTRETRANS; else -- GitLab From 3d58695edbfac785161bf282dc11fd42a483d6c9 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 13:56:39 +0900 Subject: [PATCH 1972/6244] sh: Trivial trace_mark() instrumentation for core events. This implements a few trace points across events that are deemed interesting. This implements a number of trace points: - The page fault handler / TLB miss - IPC calls - Kernel thread creation The original LTTng patch had the slow-path instrumented, which fails to account for the vast majority of events. In general placing this in the fast-path is not a huge performance hit, as we don't take page faults for kernel addresses. The other bits of interest are some of the other trap handlers, as well as the syscall entry/exit (which is better off being handled through the tracehook API). Most of the other trap handlers are corner cases where alternate means of notification exist, so there is little value in placing extra trace points in these locations. Based on top of the points provided both by the LTTng instrumentation patch as well as the patch shipping in the ST-Linux tree, albeit in a stripped down form. Signed-off-by: Paul Mundt --- arch/sh/kernel/process_32.c | 9 ++++-- arch/sh/kernel/process_64.c | 10 +++++-- arch/sh/kernel/sys_sh.c | 2 ++ arch/sh/mm/fault_32.c | 57 +++++++++++++++++++++---------------- 4 files changed, 50 insertions(+), 28 deletions(-) diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 914e543102df..7b013aa8c43f 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -169,6 +169,7 @@ __asm__(".align 5\n" int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) { struct pt_regs regs; + int pid; memset(®s, 0, sizeof(regs)); regs.regs[4] = (unsigned long)arg; @@ -178,8 +179,12 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) regs.sr = (1 << 30); /* Ok, create the new process.. */ - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, - ®s, 0, NULL, NULL); + pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, + ®s, 0, NULL, NULL); + + trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn); + + return pid; } /* diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index d0dddc438c0c..b7aa09235b51 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -396,6 +396,7 @@ ATTRIB_NORET void kernel_thread_helper(void *arg, int (*fn)(void *)) int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) { struct pt_regs regs; + int pid; memset(®s, 0, sizeof(regs)); regs.regs[2] = (unsigned long)arg; @@ -404,8 +405,13 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) regs.pc = (unsigned long)kernel_thread_helper; regs.sr = (1 << 30); - return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, - ®s, 0, NULL, NULL); + /* Ok, create the new process.. */ + pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, + ®s, 0, NULL, NULL); + + trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn); + + return pid; } /* diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index 0dfb88925add..38f098c9c72d 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -171,6 +171,8 @@ asmlinkage int sys_ipc(uint call, int first, int second, version = call >> 16; /* hack for backward compatibility */ call &= 0xffff; + trace_mark(kernel_arch_ipc_call, "call %u first %d", call, first); + if (call <= SEMTIMEDOP) switch (call) { case SEMOP: diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 08a08ea5d69f..898d477e47c1 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -15,28 +15,13 @@ #include #include #include +#include #include #include #include #include #include -static inline int notify_page_fault(struct pt_regs *regs, int trap) -{ - int ret = 0; - -#ifdef CONFIG_KPROBES - if (!user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, trap)) - ret = 1; - preempt_enable(); - } -#endif - - return ret; -} - /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -261,6 +246,25 @@ do_sigbus: goto no_context; } +static inline int notify_page_fault(struct pt_regs *regs, int trap) +{ + int ret = 0; + + trace_mark(kernel_arch_trap_entry, "trap_id %d ip #p%ld", + trap >> 5, instruction_pointer(regs)); + +#ifdef CONFIG_KPROBES + if (!user_mode(regs)) { + preempt_disable(); + if (kprobe_running() && kprobe_fault_handler(regs, trap)) + ret = 1; + preempt_enable(); + } +#endif + + return ret; +} + #ifdef CONFIG_SH_STORE_QUEUES /* * This is a special case for the SH-4 store queues, as pages for this @@ -284,15 +288,18 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pmd_t *pmd; pte_t *pte; pte_t entry; + int ret = 0; if (notify_page_fault(regs, lookup_exception_vector())) - return 0; + goto out; #ifdef CONFIG_SH_KGDB if (kgdb_nofault && kgdb_bus_err_hook) kgdb_bus_err_hook(); #endif + ret = 1; + /* * We don't take page faults for P1, P2, and parts of P4, these * are always mapped, whether it be due to legacy behaviour in @@ -302,24 +309,23 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pgd = pgd_offset_k(address); } else { if (unlikely(address >= TASK_SIZE || !current->mm)) - return 1; + goto out; pgd = pgd_offset(current->mm, address); } pud = pud_offset(pgd, address); if (pud_none_or_clear_bad(pud)) - return 1; + goto out; pmd = pmd_offset(pud, address); if (pmd_none_or_clear_bad(pmd)) - return 1; - + goto out; pte = pte_offset_kernel(pmd, address); entry = *pte; if (unlikely(pte_none(entry) || pte_not_present(entry))) - return 1; + goto out; if (unlikely(writeaccess && !pte_write(entry))) - return 1; + goto out; if (writeaccess) entry = pte_mkdirty(entry); @@ -336,5 +342,8 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, set_pte(pte, entry); update_mmu_cache(NULL, address, entry); - return 0; + ret = 0; +out: + trace_mark(kernel_arch_trap_exit, MARK_NOARGS); + return ret; } -- GitLab From a574420ff46cff0245e6b0fce2e961aa2717743d Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Sat, 20 Sep 2008 22:07:34 -0700 Subject: [PATCH 1973/6244] multiq: requeue should rewind the current_band Currently dequeueing a packet and requeueing the same packet will cause a different packet to be pulled on the next dequeue. This change forces requeue to rewind the current_band. Signed-off-by: Alexander Duyck Signed-off-by: David S. Miller --- net/sched/sch_multiq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index 5d9cd68e91d1..915f3149dde2 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -97,6 +97,7 @@ static int multiq_requeue(struct sk_buff *skb, struct Qdisc *sch) { struct Qdisc *qdisc; + struct multiq_sched_data *q = qdisc_priv(sch); int ret; qdisc = multiq_classify(skb, sch, &ret); @@ -113,6 +114,10 @@ multiq_requeue(struct sk_buff *skb, struct Qdisc *sch) if (ret == NET_XMIT_SUCCESS) { sch->q.qlen++; sch->qstats.requeues++; + if (q->curband) + q->curband--; + else + q->curband = q->bands - 1; return NET_XMIT_SUCCESS; } if (net_xmit_drop_count(ret)) -- GitLab From 6067804047b64dde89f4f133fc7eba48ee44107d Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sat, 20 Sep 2008 22:20:49 -0700 Subject: [PATCH 1974/6244] net: Use hton[sl]() instead of __constant_hton[sl]() where applicable Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/8021q/vlan_dev.c | 2 +- net/atm/br2684.c | 8 ++++---- net/core/dev.c | 4 ++-- net/ethernet/eth.c | 2 +- net/ipv4/ipvs/ip_vs_core.c | 4 ++-- net/ipv6/ip6_tunnel.c | 4 ++-- net/mac80211/wme.c | 2 +- net/sched/cls_flow.c | 28 ++++++++++++++-------------- net/sched/sch_dsmark.c | 8 ++++---- net/sched/sch_sfq.c | 4 ++-- net/sunrpc/xprtrdma/rpc_rdma.c | 4 ++-- 11 files changed, 35 insertions(+), 35 deletions(-) diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 97688cdb5501..8883e9c8a223 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -48,7 +48,7 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb) switch (veth->h_vlan_encapsulated_proto) { #ifdef CONFIG_INET - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): /* TODO: Confirm this will work with VLAN headers... */ return arp_find(veth->h_dest, skb); diff --git a/net/atm/br2684.c b/net/atm/br2684.c index 8d9a6f158880..280de481edc7 100644 --- a/net/atm/br2684.c +++ b/net/atm/br2684.c @@ -375,11 +375,11 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb) if (memcmp (skb->data + 6, ethertype_ipv6, sizeof(ethertype_ipv6)) == 0) - skb->protocol = __constant_htons(ETH_P_IPV6); + skb->protocol = htons(ETH_P_IPV6); else if (memcmp (skb->data + 6, ethertype_ipv4, sizeof(ethertype_ipv4)) == 0) - skb->protocol = __constant_htons(ETH_P_IP); + skb->protocol = htons(ETH_P_IP); else goto error; skb_pull(skb, sizeof(llc_oui_ipv4)); @@ -404,9 +404,9 @@ static void br2684_push(struct atm_vcc *atmvcc, struct sk_buff *skb) skb_reset_network_header(skb); iph = ip_hdr(skb); if (iph->version == 4) - skb->protocol = __constant_htons(ETH_P_IP); + skb->protocol = htons(ETH_P_IP); else if (iph->version == 6) - skb->protocol = __constant_htons(ETH_P_IPV6); + skb->protocol = htons(ETH_P_IPV6); else goto error; skb->pkt_type = PACKET_HOST; diff --git a/net/core/dev.c b/net/core/dev.c index f48d1b24f9ce..fdfc4b6a6448 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1675,13 +1675,13 @@ static u16 simple_tx_hash(struct net_device *dev, struct sk_buff *skb) } switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): ip_proto = ip_hdr(skb)->protocol; addr1 = ip_hdr(skb)->saddr; addr2 = ip_hdr(skb)->daddr; ihl = ip_hdr(skb)->ihl; break; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): ip_proto = ipv6_hdr(skb)->nexthdr; addr1 = ipv6_hdr(skb)->saddr.s6_addr32[3]; addr2 = ipv6_hdr(skb)->daddr.s6_addr32[3]; diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index a80839b02e3f..647a9edee375 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -129,7 +129,7 @@ int eth_rebuild_header(struct sk_buff *skb) switch (eth->h_proto) { #ifdef CONFIG_INET - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return arp_find(eth->h_dest, skb); #endif default: diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c index ece748dbd0cd..958abf3e5f8c 100644 --- a/net/ipv4/ipvs/ip_vs_core.c +++ b/net/ipv4/ipvs/ip_vs_core.c @@ -938,7 +938,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, EnterFunction(11); - af = (skb->protocol == __constant_htons(ETH_P_IP)) ? AF_INET : AF_INET6; + af = (skb->protocol == htons(ETH_P_IP)) ? AF_INET : AF_INET6; if (skb->ipvs_property) return NF_ACCEPT; @@ -1258,7 +1258,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, struct ip_vs_conn *cp; int ret, restart, af; - af = (skb->protocol == __constant_htons(ETH_P_IP)) ? AF_INET : AF_INET6; + af = (skb->protocol == htons(ETH_P_IP)) ? AF_INET : AF_INET6; ip_vs_fill_iphdr(af, skb_network_header(skb), &iph); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 17c7b098cdb0..64ce3d33d9c6 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1050,10 +1050,10 @@ ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) } switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): ret = ip4ip6_tnl_xmit(skb, dev); break; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): ret = ip6ip6_tnl_xmit(skb, dev); break; default: diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 6748dedcab50..c703f8b44e92 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -39,7 +39,7 @@ static unsigned int classify_1d(struct sk_buff *skb) return skb->priority - 256; switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): dscp = ip_hdr(skb)->tos & 0xfc; break; diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 8f63a1a94014..0ebaff637e31 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -67,9 +67,9 @@ static inline u32 addr_fold(void *addr) static u32 flow_get_src(const struct sk_buff *skb) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return ntohl(ip_hdr(skb)->saddr); - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): return ntohl(ipv6_hdr(skb)->saddr.s6_addr32[3]); default: return addr_fold(skb->sk); @@ -79,9 +79,9 @@ static u32 flow_get_src(const struct sk_buff *skb) static u32 flow_get_dst(const struct sk_buff *skb) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return ntohl(ip_hdr(skb)->daddr); - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): return ntohl(ipv6_hdr(skb)->daddr.s6_addr32[3]); default: return addr_fold(skb->dst) ^ (__force u16)skb->protocol; @@ -91,9 +91,9 @@ static u32 flow_get_dst(const struct sk_buff *skb) static u32 flow_get_proto(const struct sk_buff *skb) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return ip_hdr(skb)->protocol; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): return ipv6_hdr(skb)->nexthdr; default: return 0; @@ -120,7 +120,7 @@ static u32 flow_get_proto_src(const struct sk_buff *skb) u32 res = 0; switch (skb->protocol) { - case __constant_htons(ETH_P_IP): { + case htons(ETH_P_IP): { struct iphdr *iph = ip_hdr(skb); if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) && @@ -128,7 +128,7 @@ static u32 flow_get_proto_src(const struct sk_buff *skb) res = ntohs(*(__be16 *)((void *)iph + iph->ihl * 4)); break; } - case __constant_htons(ETH_P_IPV6): { + case htons(ETH_P_IPV6): { struct ipv6hdr *iph = ipv6_hdr(skb); if (has_ports(iph->nexthdr)) @@ -147,7 +147,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb) u32 res = 0; switch (skb->protocol) { - case __constant_htons(ETH_P_IP): { + case htons(ETH_P_IP): { struct iphdr *iph = ip_hdr(skb); if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) && @@ -155,7 +155,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb) res = ntohs(*(__be16 *)((void *)iph + iph->ihl * 4 + 2)); break; } - case __constant_htons(ETH_P_IPV6): { + case htons(ETH_P_IPV6): { struct ipv6hdr *iph = ipv6_hdr(skb); if (has_ports(iph->nexthdr)) @@ -213,9 +213,9 @@ static u32 flow_get_nfct(const struct sk_buff *skb) static u32 flow_get_nfct_src(const struct sk_buff *skb) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return ntohl(CTTUPLE(skb, src.u3.ip)); - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): return ntohl(CTTUPLE(skb, src.u3.ip6[3])); } fallback: @@ -225,9 +225,9 @@ fallback: static u32 flow_get_nfct_dst(const struct sk_buff *skb) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): return ntohl(CTTUPLE(skb, dst.u3.ip)); - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): return ntohl(CTTUPLE(skb, dst.u3.ip6[3])); } fallback: diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index edd1298f85f6..ba43aab3a851 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -202,7 +202,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (p->set_tc_index) { switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): if (skb_cow_head(skb, sizeof(struct iphdr))) goto drop; @@ -210,7 +210,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch) & ~INET_ECN_MASK; break; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): if (skb_cow_head(skb, sizeof(struct ipv6hdr))) goto drop; @@ -289,11 +289,11 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch) pr_debug("index %d->%d\n", skb->tc_index, index); switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): ipv4_change_dsfield(ip_hdr(skb), p->mask[index], p->value[index]); break; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): ipv6_change_dsfield(ipv6_hdr(skb), p->mask[index], p->value[index]); break; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 6e041d10dbdb..fe1508ef0d3d 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -119,7 +119,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb) u32 h, h2; switch (skb->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): { const struct iphdr *iph = ip_hdr(skb); h = iph->daddr; @@ -134,7 +134,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb) h2 ^= *(((u32*)iph) + iph->ihl); break; } - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): { struct ipv6hdr *iph = ipv6_hdr(skb); h = iph->daddr.s6_addr32[3]; diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index e55427f73dfe..5c1954d28d09 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -769,7 +769,7 @@ repost: /* check for expected message types */ /* The order of some of these tests is important. */ switch (headerp->rm_type) { - case __constant_htonl(RDMA_MSG): + case htonl(RDMA_MSG): /* never expect read chunks */ /* never expect reply chunks (two ways to check) */ /* never expect write chunks without having offered RDMA */ @@ -802,7 +802,7 @@ repost: rpcrdma_inline_fixup(rqst, (char *)iptr, rep->rr_len); break; - case __constant_htonl(RDMA_NOMSG): + case htonl(RDMA_NOMSG): /* never expect read or write chunks, always reply chunks */ if (headerp->rm_body.rm_chunks[0] != xdr_zero || headerp->rm_body.rm_chunks[1] != xdr_zero || -- GitLab From f5fff5dc8a7a3f395b0525c02ba92c95d42b7390 Mon Sep 17 00:00:00 2001 From: Tom Quetchenbach Date: Sun, 21 Sep 2008 00:21:51 -0700 Subject: [PATCH 1975/6244] tcp: advertise MSS requested by user I'm trying to use the TCP_MAXSEG option to setsockopt() to set the MSS for both sides of a bidirectional connection. man tcp says: "If this option is set before connection establishment, it also changes the MSS value announced to the other end in the initial packet." However, the kernel only uses the MTU/route cache to set the advertised MSS. That means if I set the MSS to, say, 500 before calling connect(), I will send at most 500-byte packets, but I will still receive 1500-byte packets in reply. This is a bug, either in the kernel or the documentation. This patch (applies to latest net-2.6) reduces the advertised value to that requested by the user as long as setsockopt() is called before connect() or accept(). This seems like the behavior that one would expect as well as that which is documented. I've tried to make sure that things that depend on the advertised MSS are set correctly. Signed-off-by: Tom Quetchenbach Signed-off-by: David S. Miller --- net/ipv4/tcp_ipv4.c | 4 ++++ net/ipv4/tcp_output.c | 13 ++++++++++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 3dfbc21e555a..44aef1c1f373 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1364,6 +1364,10 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb, tcp_mtup_init(newsk); tcp_sync_mss(newsk, dst_mtu(dst)); newtp->advmss = dst_metric(dst, RTAX_ADVMSS); + if (tcp_sk(sk)->rx_opt.user_mss && + tcp_sk(sk)->rx_opt.user_mss < newtp->advmss) + newtp->advmss = tcp_sk(sk)->rx_opt.user_mss; + tcp_initialize_rcv_mss(newsk); #ifdef CONFIG_TCP_MD5SIG diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 8f9793a37b61..c3d58ee3e16f 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2232,6 +2232,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, struct sk_buff *skb; struct tcp_md5sig_key *md5; __u8 *md5_hash_location; + int mss; skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15, 1, GFP_ATOMIC); if (skb == NULL) @@ -2242,13 +2243,17 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, skb->dst = dst_clone(dst); + mss = dst_metric(dst, RTAX_ADVMSS); + if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss) + mss = tp->rx_opt.user_mss; + if (req->rcv_wnd == 0) { /* ignored for retransmitted syns */ __u8 rcv_wscale; /* Set this up on the first call only */ req->window_clamp = tp->window_clamp ? : dst_metric(dst, RTAX_WINDOW); /* tcp_full_space because it is guaranteed to be the first packet */ tcp_select_initial_window(tcp_full_space(sk), - dst_metric(dst, RTAX_ADVMSS) - (ireq->tstamp_ok ? TCPOLEN_TSTAMP_ALIGNED : 0), + mss - (ireq->tstamp_ok ? TCPOLEN_TSTAMP_ALIGNED : 0), &req->rcv_wnd, &req->window_clamp, ireq->wscale_ok, @@ -2258,8 +2263,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst, memset(&opts, 0, sizeof(opts)); TCP_SKB_CB(skb)->when = tcp_time_stamp; - tcp_header_size = tcp_synack_options(sk, req, - dst_metric(dst, RTAX_ADVMSS), + tcp_header_size = tcp_synack_options(sk, req, mss, skb, &opts, &md5) + sizeof(struct tcphdr); @@ -2333,6 +2337,9 @@ static void tcp_connect_init(struct sock *sk) if (!tp->window_clamp) tp->window_clamp = dst_metric(dst, RTAX_WINDOW); tp->advmss = dst_metric(dst, RTAX_ADVMSS); + if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < tp->advmss) + tp->advmss = tp->rx_opt.user_mss; + tcp_initialize_rcv_mss(sk); tcp_select_initial_window(tcp_full_space(sk), -- GitLab From a1cd0464c6f5857d87466130753d81b783bd3c52 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 21 Sep 2008 00:28:26 -0700 Subject: [PATCH 1976/6244] sparc: arch/sparc/kernel/pmc.c -- extra #include? I have no SPARC compiler handy to verify, but it looks like this is another file that doesn't need ... Signed-off-by: David S. Miller --- arch/sparc/kernel/pmc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 814eb3ce039b..2afcfab4f11c 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include #include @@ -24,7 +23,6 @@ * #define PMC_NO_IDLE */ -#define PMC_MINOR MISC_DYNAMIC_MINOR #define PMC_OBPNAME "SUNW,pmc" #define PMC_DEVNAME "pmc" -- GitLab From 9d2b1f81dd93b198e12bca8120afec4a7b609b06 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 16:43:45 +0900 Subject: [PATCH 1977/6244] sh: ftrace support. This adds support for ftrace to SH. This only includes CONFIG_FTRACE, and does not handle dynamic ftrace presently. Signed-off-by: Paul Mundt --- arch/sh/Kconfig | 1 + arch/sh/boot/compressed/Makefile_32 | 5 ++++ arch/sh/kernel/entry-common.S | 44 +++++++++++++++++++++++++++++ arch/sh/kernel/sh_ksyms_32.c | 4 +++ 4 files changed, 54 insertions(+) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index adef42cd507f..38a5a9edb677 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -24,6 +24,7 @@ config SUPERH32 select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_ARCH_TRACEHOOK if !SH_FPU + select HAVE_FTRACE config SUPERH64 def_bool y if CPU_SH5 diff --git a/arch/sh/boot/compressed/Makefile_32 b/arch/sh/boot/compressed/Makefile_32 index 47685f618ae7..301e6d503256 100644 --- a/arch/sh/boot/compressed/Makefile_32 +++ b/arch/sh/boot/compressed/Makefile_32 @@ -23,6 +23,11 @@ IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) +ifeq ($(CONFIG_FTRACE),y) +ORIG_CFLAGS := $(KBUILD_CFLAGS) +KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) +endif + LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index efbb4268875e..1a5cf9dd82de 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -371,3 +371,47 @@ syscall_exit: #endif 7: .long do_syscall_trace_enter 8: .long do_syscall_trace_leave + +#ifdef CONFIG_FTRACE + .align 2 + .globl _mcount + .type _mcount,@function + .globl mcount + .type mcount,@function +_mcount: +mcount: + mov.l r4, @-r15 + mov.l r5, @-r15 + mov.l r6, @-r15 + mov.l r7, @-r15 + sts.l pr, @-r15 + + mov.l @(20,r15),r4 + sts pr, r5 + + mov.l 1f, r6 + mov.l ftrace_stub, r7 + cmp/eq r6, r7 + bt skip_trace + + mov.l @r6, r6 + jsr @r6 + nop + +skip_trace: + + lds.l @r15+, pr + mov.l @r15+, r7 + mov.l @r15+, r6 + mov.l @r15+, r5 + rts + mov.l @r15+, r4 + + .align 2 +1: .long ftrace_trace_function + + .globl ftrace_stub +ftrace_stub: + rts + nop +#endif /* CONFIG_FTRACE */ diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c index 6e1b1c271658..d917b7b4042b 100644 --- a/arch/sh/kernel/sh_ksyms_32.c +++ b/arch/sh/kernel/sh_ksyms_32.c @@ -16,6 +16,7 @@ #include #include #include +#include extern int dump_fpu(struct pt_regs *, elf_fpregset_t *); extern struct hw_interrupt_type no_irq_type; @@ -133,6 +134,9 @@ EXPORT_SYMBOL(__flush_purge_region); EXPORT_SYMBOL(clear_user_page); #endif +#ifdef CONFIG_FTRACE +EXPORT_SYMBOL(mcount); +#endif EXPORT_SYMBOL(csum_partial); EXPORT_SYMBOL(csum_partial_copy_generic); #ifdef CONFIG_IPV6 -- GitLab From 6902aa84f565153ce05f3438ecb8e445d4f468d8 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 17:14:42 +0900 Subject: [PATCH 1978/6244] doc: Add remaining SH parameters to kernel-parameters.txt. Signed-off-by: Paul Mundt --- Documentation/kernel-parameters.txt | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1150444a21ab..abeff96e9d46 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -796,6 +796,8 @@ and is between 256 and 4096 characters. It is defined in the file Defaults to the default architecture's huge page size if not specified. + hlt [BUGS=ARM,SH] + i8042.direct [HW] Put keyboard port into non-translated mode i8042.dumbkbd [HW] Pretend that controller can only read data from keyboard and cannot control its state @@ -1206,6 +1208,10 @@ and is between 256 and 4096 characters. It is defined in the file mem=nopentium [BUGS=X86-32] Disable usage of 4MB pages for kernel memory. + memchunk=nn[KMG] + [KNL,SH] Allow user to override the default size for + per-device physically contiguous DMA buffers. + memmap=exactmap [KNL,X86-32,X86_64] Enable setting of an exact E820 memory map, as specified by the user. Such memmap=exactmap lines can be constructed based on @@ -1365,6 +1371,8 @@ and is between 256 and 4096 characters. It is defined in the file nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects. + nodsp [SH] Disable hardware DSP at boot time. + noefi [X86-32,X86-64] Disable EFI runtime services support. noexec [IA-64] @@ -1381,13 +1389,15 @@ and is between 256 and 4096 characters. It is defined in the file noexec32=off: disable non-executable mappings read implies executable mappings + nofpu [SH] Disable hardware FPU at boot time. + nofxsr [BUGS=X86-32] Disables x86 floating point extended register save and restore. The kernel will only save legacy floating-point registers on task switch. noclflush [BUGS=X86] Don't use the CLFLUSH instruction - nohlt [BUGS=ARM] + nohlt [BUGS=ARM,SH] no-hlt [BUGS=X86-32] Tells the kernel that the hlt instruction doesn't work correctly and not to -- GitLab From 4b4cf7595a8bce9b4dd64c241a8cb7336ecb9489 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 17:17:53 +0900 Subject: [PATCH 1979/6244] sh: Add missing asm/ftrace.h. This was missed with the ftrace support commit.. check it in now. Signed-off-by: Paul Mundt --- arch/sh/include/asm/ftrace.h | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 arch/sh/include/asm/ftrace.h diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h new file mode 100644 index 000000000000..3aed362c9463 --- /dev/null +++ b/arch/sh/include/asm/ftrace.h @@ -0,0 +1,8 @@ +#ifndef __ASM_SH_FTRACE_H +#define __ASM_SH_FTRACE_H + +#ifndef __ASSEMBLY__ +extern void mcount(void); +#endif + +#endif /* __ASM_SH_FTRACE_H */ -- GitLab From e7ab3cd251926d57ee11d7d320e8fb42c882ad22 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Sun, 21 Sep 2008 19:04:55 +0900 Subject: [PATCH 1980/6244] sh: Add FPU registers to regset interface. Signed-off-by: Paul Mundt --- arch/sh/Kconfig | 2 +- arch/sh/include/asm/elf.h | 6 +-- arch/sh/include/asm/fpu.h | 19 ++++++++++ arch/sh/kernel/process_32.c | 14 ++++--- arch/sh/kernel/ptrace_32.c | 76 +++++++++++++++++++++++++++++++++++++ 5 files changed, 108 insertions(+), 9 deletions(-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 38a5a9edb677..71be7ff5c771 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -23,7 +23,7 @@ config SUPERH32 def_bool !SUPERH64 select HAVE_KPROBES select HAVE_KRETPROBES - select HAVE_ARCH_TRACEHOOK if !SH_FPU + select HAVE_ARCH_TRACEHOOK select HAVE_FTRACE config SUPERH64 diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index 6b2cec80fd15..4da3a0b10911 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -108,10 +108,10 @@ typedef struct user_fpu_struct elf_fpregset_t; #define elf_check_fdpic(x) ((x)->e_flags & EF_SH_FDPIC) #define elf_check_const_displacement(x) ((x)->e_flags & EF_SH_PIC) -#if defined(CONFIG_SUPERH32) && !defined(CONFIG_SH_FPU) +#ifdef CONFIG_SUPERH32 /* - * Enable dump using regset for general purpose registers, use this as - * the default once the FPU registers are moved over also. + * Enable dump using regset. + * This covers all of general/DSP/FPU regs. */ #define CORE_DUMP_USE_REGSET #endif diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h index 91462fea1507..1d3aee04b5cc 100644 --- a/arch/sh/include/asm/fpu.h +++ b/arch/sh/include/asm/fpu.h @@ -30,8 +30,15 @@ static inline void save_fpu(struct task_struct *tsk, struct pt_regs *regs) } #endif +struct user_regset; + extern int do_fpu_inst(unsigned short, struct pt_regs *); +extern int fpregs_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf); + static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) { preempt_disable(); @@ -50,6 +57,18 @@ static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs) preempt_enable(); } +static inline int init_fpu(struct task_struct *tsk) +{ + if (tsk_used_math(tsk)) { + if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current) + unlazy_fpu(tsk, task_pt_regs(tsk)); + return 0; + } + + set_stopped_child_used_math(tsk); + return 0; +} + #endif /* __ASSEMBLY__ */ #endif /* __ASM_SH_FPU_H */ diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 7b013aa8c43f..b965f0282c7d 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -7,7 +7,11 @@ * * SuperH version: Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima * Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC - * Copyright (C) 2002 - 2007 Paul Mundt + * Copyright (C) 2002 - 2008 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. */ #include #include @@ -222,10 +226,10 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) struct task_struct *tsk = current; fpvalid = !!tsk_used_math(tsk); - if (fpvalid) { - unlazy_fpu(tsk, regs); - memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu)); - } + if (fpvalid) + fpvalid = !fpregs_get(tsk, NULL, 0, + sizeof(struct user_fpu_struct), + fpu, NULL); #endif return fpvalid; diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 0f44f2b51a60..29ca09d24ef8 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -32,6 +32,7 @@ #include #include #include +#include /* * This routine will get a word off of the process kernel stack. @@ -145,6 +146,54 @@ static int genregs_set(struct task_struct *target, return ret; } +#ifdef CONFIG_SH_FPU +int fpregs_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int ret; + + ret = init_fpu(target); + if (ret) + return ret; + + if ((boot_cpu_data.flags & CPU_HAS_FPU)) + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.hard, 0, -1); + + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.soft, 0, -1); +} + +static int fpregs_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + int ret; + + ret = init_fpu(target); + if (ret) + return ret; + + set_stopped_child_used_math(target); + + if ((boot_cpu_data.flags & CPU_HAS_FPU)) + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.hard, 0, -1); + + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.soft, 0, -1); +} + +static int fpregs_active(struct task_struct *target, + const struct user_regset *regset) +{ + return tsk_used_math(target) ? regset->n : 0; +} +#endif + #ifdef CONFIG_SH_DSP static int dspregs_get(struct task_struct *target, const struct user_regset *regset, @@ -194,6 +243,9 @@ static int dspregs_active(struct task_struct *target, */ enum sh_regset { REGSET_GENERAL, +#ifdef CONFIG_SH_FPU + REGSET_FPU, +#endif #ifdef CONFIG_SH_DSP REGSET_DSP, #endif @@ -214,6 +266,18 @@ static const struct user_regset sh_regsets[] = { .set = genregs_set, }, +#ifdef CONFIG_SH_FPU + [REGSET_FPU] = { + .core_note_type = NT_PRFPREG, + .n = sizeof(struct user_fpu_struct) / sizeof(long), + .size = sizeof(long), + .align = sizeof(long), + .get = fpregs_get, + .set = fpregs_set, + .active = fpregs_active, + }, +#endif + #ifdef CONFIG_SH_DSP [REGSET_DSP] = { .n = sizeof(struct pt_dspregs) / sizeof(long), @@ -304,6 +368,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) REGSET_GENERAL, 0, sizeof(struct pt_regs), (const void __user *)data); +#ifdef CONFIG_SH_FPU + case PTRACE_GETFPREGS: + return copy_regset_to_user(child, &user_sh_native_view, + REGSET_FPU, + 0, sizeof(struct user_fpu_struct), + (void __user *)data); + case PTRACE_SETFPREGS: + return copy_regset_from_user(child, &user_sh_native_view, + REGSET_FPU, + 0, sizeof(struct user_fpu_struct), + (const void __user *)data); +#endif #ifdef CONFIG_SH_DSP case PTRACE_GETDSPREGS: return copy_regset_to_user(child, &user_sh_native_view, -- GitLab From e505240b6a6fd47b84cfeb1272ffeacd3e0874b3 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Sun, 21 Sep 2008 21:30:02 +0100 Subject: [PATCH 1981/6244] [ARM] 5257/2: [AT91] Use SZ_ definitions and MTDPART_OFS_NXTBLK instead of hex-values In the various AT91 board files, replace hard-coded size values (eg, 0x800000) with the SZ_ size definitions (eg, SZ_8M) from sizes.h Also replace MTD partition offsets with MTDPART_OFS_NXTBLK. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-at91/board-cap9adk.c | 2 +- arch/arm/mach-at91/board-csb337.c | 4 +-- arch/arm/mach-at91/board-csb637.c | 4 +-- arch/arm/mach-at91/board-dk.c | 4 +-- arch/arm/mach-at91/board-ecbat91.c | 2 +- arch/arm/mach-at91/board-ek.c | 4 +-- arch/arm/mach-at91/board-picotux200.c | 2 +- arch/arm/mach-at91/board-qil-a9260.c | 14 ++++---- arch/arm/mach-at91/board-sam9-l9260.c | 4 +-- arch/arm/mach-at91/board-sam9260ek.c | 6 ++-- arch/arm/mach-at91/board-sam9261ek.c | 6 ++-- arch/arm/mach-at91/board-sam9263ek.c | 12 +++---- arch/arm/mach-at91/board-sam9g20ek.c | 8 ++--- arch/arm/mach-at91/board-sam9rlek.c | 6 ++-- arch/arm/mach-at91/board-usb-a9260.c | 14 ++++---- arch/arm/mach-at91/board-usb-a9263.c | 14 ++++---- arch/arm/mach-at91/board-yl-9200.c | 50 +++++++++++++-------------- 17 files changed, 78 insertions(+), 78 deletions(-) diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c index 196199552eb6..201b89392dcc 100644 --- a/arch/arm/mach-at91/board-cap9adk.c +++ b/arch/arm/mach-at91/board-cap9adk.c @@ -214,7 +214,7 @@ static struct physmap_flash_data cap9adk_nor_data = { }; #define NOR_BASE AT91_CHIPSELECT_0 -#define NOR_SIZE 0x800000 +#define NOR_SIZE SZ_8M static struct resource nor_flash_resources[] = { { diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c index cb7c9a8fa487..4bdf69d552eb 100644 --- a/arch/arm/mach-at91/board-csb337.c +++ b/arch/arm/mach-at91/board-csb337.c @@ -28,7 +28,6 @@ #include #include -#include #include #include #include @@ -37,6 +36,7 @@ #include #include +#include #include #include @@ -114,7 +114,7 @@ static struct spi_board_info csb337_spi_devices[] = { }; #define CSB_FLASH_BASE AT91_CHIPSELECT_0 -#define CSB_FLASH_SIZE 0x800000 +#define CSB_FLASH_SIZE SZ_8M static struct mtd_partition csb_flash_partitions[] = { { diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c index 8db8bd8babd9..cfa3f04b2205 100644 --- a/arch/arm/mach-at91/board-csb637.c +++ b/arch/arm/mach-at91/board-csb637.c @@ -25,7 +25,6 @@ #include #include -#include #include #include #include @@ -34,6 +33,7 @@ #include #include +#include #include #include @@ -72,7 +72,7 @@ static struct at91_udc_data __initdata csb637_udc_data = { }; #define CSB_FLASH_BASE AT91_CHIPSELECT_0 -#define CSB_FLASH_SIZE 0x1000000 +#define CSB_FLASH_SIZE SZ_16M static struct mtd_partition csb_flash_partitions[] = { { diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c index 43e1aa7ecef7..0fd0f5bc77ea 100644 --- a/arch/arm/mach-at91/board-dk.c +++ b/arch/arm/mach-at91/board-dk.c @@ -29,7 +29,6 @@ #include #include -#include #include #include #include @@ -38,6 +37,7 @@ #include #include +#include #include #include #include @@ -157,7 +157,7 @@ static struct atmel_nand_data __initdata dk_nand_data = { }; #define DK_FLASH_BASE AT91_CHIPSELECT_0 -#define DK_FLASH_SIZE 0x200000 +#define DK_FLASH_SIZE SZ_2M static struct physmap_flash_data dk_flash_data = { .width = 2, diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c index bfeee8a2af28..1d69908617f0 100644 --- a/arch/arm/mach-at91/board-ecbat91.c +++ b/arch/arm/mach-at91/board-ecbat91.c @@ -86,7 +86,7 @@ static struct mtd_partition __initdata my_flash0_partitions[] = { /* 0x8400 */ .name = "Darrell-loader", .offset = 0, - .size = 12* 1056, + .size = 12 * 1056, }, { .name = "U-boot", diff --git a/arch/arm/mach-at91/board-ek.c b/arch/arm/mach-at91/board-ek.c index 60626e7a3490..4cdfaac8e590 100644 --- a/arch/arm/mach-at91/board-ek.c +++ b/arch/arm/mach-at91/board-ek.c @@ -29,7 +29,6 @@ #include #include -#include #include #include #include @@ -38,6 +37,7 @@ #include #include +#include #include #include #include @@ -116,7 +116,7 @@ static struct i2c_board_info __initdata ek_i2c_devices[] = { }; #define EK_FLASH_BASE AT91_CHIPSELECT_0 -#define EK_FLASH_SIZE 0x200000 +#define EK_FLASH_SIZE SZ_2M static struct physmap_flash_data ek_flash_data = { .width = 2, diff --git a/arch/arm/mach-at91/board-picotux200.c b/arch/arm/mach-at91/board-picotux200.c index dbc912d633c7..859727e7ea30 100644 --- a/arch/arm/mach-at91/board-picotux200.c +++ b/arch/arm/mach-at91/board-picotux200.c @@ -105,7 +105,7 @@ static struct at91_mmc_data __initdata picotux200_mmc_data = { // }; #define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0 -#define PICOTUX200_FLASH_SIZE 0x400000 +#define PICOTUX200_FLASH_SIZE SZ_4M static struct physmap_flash_data picotux200_flash_data = { .width = 2, diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c index 4c28413426c2..cfb4571a2e27 100644 --- a/arch/arm/mach-at91/board-qil-a9260.c +++ b/arch/arm/mach-at91/board-qil-a9260.c @@ -30,7 +30,6 @@ #include #include -#include #include #include #include @@ -39,6 +38,7 @@ #include #include +#include #include #include #include @@ -119,18 +119,18 @@ static struct at91_eth_data __initdata ek_macb_data = { static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Uboot & Kernel", - .offset = 0x00000000, - .size = 16 * 1024 * 1024, + .offset = 0, + .size = SZ_16M, }, { .name = "Root FS", - .offset = 0x01000000, - .size = 120 * 1024 * 1024, + .offset = MTDPART_OFS_NXTBLK, + .size = 120 * SZ_1M, }, { .name = "FS", - .offset = 0x08800000, - .size = 120 * 1024 * 1024, + .offset = MTDPART_OFS_NXTBLK, + .size = 120 * SZ_1M, }, }; diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c index e4910cb26c16..99bb4cc23a09 100644 --- a/arch/arm/mach-at91/board-sam9-l9260.c +++ b/arch/arm/mach-at91/board-sam9-l9260.c @@ -126,11 +126,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Bootloader Area", .offset = 0, - .size = 10 * 1024 * 1024, + .size = 10 * SZ_1M, }, { .name = "User Area", - .offset = 10 * 1024 * 1024, + .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c index 0a53c038b518..e22433d5dfb6 100644 --- a/arch/arm/mach-at91/board-sam9260ek.c +++ b/arch/arm/mach-at91/board-sam9260ek.c @@ -29,7 +29,6 @@ #include #include -#include #include #include #include @@ -38,6 +37,7 @@ #include #include +#include #include #include @@ -164,11 +164,11 @@ static struct mtd_partition __initdata ek_nand_partition[] = { { .name = "Partition 1", .offset = 0, - .size = 256 * 1024, + .size = SZ_256K, }, { .name = "Partition 2", - .offset = 256 * 1024, + .offset = MTDPART_OFS_NXTBLK, .size = MTDPART_SIZ_FULL, }, }; diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index 1a9963b811c7..03d3382cfef6 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -35,7 +35,6 @@ #include diff --git a/block/blk-core.c b/block/blk-core.c index 2616cdd049a8..86d22e7d65c5 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -531,7 +531,7 @@ EXPORT_SYMBOL(blk_alloc_queue_node); * request queue; this lock will be taken also from interrupt context, so irq * disabling is needed for it. * - * Function returns a pointer to the initialized request queue, or NULL if + * Function returns a pointer to the initialized request queue, or %NULL if * it didn't succeed. * * Note: @@ -913,7 +913,7 @@ void blk_requeue_request(struct request_queue *q, struct request *rq) EXPORT_SYMBOL(blk_requeue_request); /** - * blk_insert_request - insert a special request in to a request queue + * blk_insert_request - insert a special request into a request queue * @q: request queue where request should be inserted * @rq: request to be inserted * @at_head: insert request at head or tail of queue @@ -923,8 +923,8 @@ EXPORT_SYMBOL(blk_requeue_request); * Many block devices need to execute commands asynchronously, so they don't * block the whole kernel from preemption during request execution. This is * accomplished normally by inserting aritficial requests tagged as - * REQ_SPECIAL in to the corresponding request queue, and letting them be - * scheduled for actual execution by the request queue. + * REQ_TYPE_SPECIAL in to the corresponding request queue, and letting them + * be scheduled for actual execution by the request queue. * * We have the option of inserting the head or the tail of the queue. * Typically we use the tail for new ioctls and so forth. We use the head @@ -1322,7 +1322,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors) } /** - * generic_make_request: hand a buffer to its device driver for I/O + * generic_make_request - hand a buffer to its device driver for I/O * @bio: The bio describing the location in memory and on the device. * * generic_make_request() is used to make I/O requests of block @@ -1480,13 +1480,13 @@ void generic_make_request(struct bio *bio) EXPORT_SYMBOL(generic_make_request); /** - * submit_bio: submit a bio to the block device layer for I/O + * submit_bio - submit a bio to the block device layer for I/O * @rw: whether to %READ or %WRITE, or maybe to %READA (read ahead) * @bio: The &struct bio which describes the I/O * * submit_bio() is very similar in purpose to generic_make_request(), and * uses that function to do most of the work. Both are fairly rough - * interfaces, @bio must be presetup and ready for I/O. + * interfaces; @bio must be presetup and ready for I/O. * */ void submit_bio(int rw, struct bio *bio) @@ -1524,7 +1524,7 @@ EXPORT_SYMBOL(submit_bio); /** * __end_that_request_first - end I/O on a request * @req: the request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete * * Description: @@ -1532,8 +1532,8 @@ EXPORT_SYMBOL(submit_bio); * for the next range of segments (if any) in the cluster. * * Return: - * 0 - we are done with this request, call end_that_request_last() - * 1 - still buffers pending for this request + * %0 - we are done with this request, call end_that_request_last() + * %1 - still buffers pending for this request **/ static int __end_that_request_first(struct request *req, int error, int nr_bytes) @@ -1544,7 +1544,7 @@ static int __end_that_request_first(struct request *req, int error, blk_add_trace_rq(req->q, req, BLK_TA_COMPLETE); /* - * for a REQ_BLOCK_PC request, we want to carry any eventual + * for a REQ_TYPE_BLOCK_PC request, we want to carry any eventual * sense key with us all the way through */ if (!blk_pc_request(req)) @@ -1810,11 +1810,11 @@ EXPORT_SYMBOL_GPL(blk_rq_cur_bytes); /** * end_queued_request - end all I/O on a queued request * @rq: the request being processed - * @uptodate: error value or 0/1 uptodate flag + * @uptodate: error value or %0/%1 uptodate flag * * Description: * Ends all I/O on a request, and removes it from the block layer queues. - * Not suitable for normal IO completion, unless the driver still has + * Not suitable for normal I/O completion, unless the driver still has * the request attached to the block layer. * **/ @@ -1827,7 +1827,7 @@ EXPORT_SYMBOL(end_queued_request); /** * end_dequeued_request - end all I/O on a dequeued request * @rq: the request being processed - * @uptodate: error value or 0/1 uptodate flag + * @uptodate: error value or %0/%1 uptodate flag * * Description: * Ends all I/O on a request. The request must already have been @@ -1845,14 +1845,14 @@ EXPORT_SYMBOL(end_dequeued_request); /** * end_request - end I/O on the current segment of the request * @req: the request being processed - * @uptodate: error value or 0/1 uptodate flag + * @uptodate: error value or %0/%1 uptodate flag * * Description: * Ends I/O on the current segment of a request. If that is the only * remaining segment, the request is also completed and freed. * - * This is a remnant of how older block drivers handled IO completions. - * Modern drivers typically end IO on the full request in one go, unless + * This is a remnant of how older block drivers handled I/O completions. + * Modern drivers typically end I/O on the full request in one go, unless * they have a residual value to account for. For that case this function * isn't really useful, unless the residual just happens to be the * full current segment. In other words, don't use this function in new @@ -1870,12 +1870,12 @@ EXPORT_SYMBOL(end_request); /** * blk_end_io - Generic end_io function to complete a request. * @rq: the request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete @rq * @bidi_bytes: number of bytes to complete @rq->next_rq * @drv_callback: function called between completion of bios in the request * and completion of the request. - * If the callback returns non 0, this helper returns without + * If the callback returns non %0, this helper returns without * completion of the request. * * Description: @@ -1883,8 +1883,8 @@ EXPORT_SYMBOL(end_request); * If @rq has leftover, sets it up for the next range of segments. * * Return: - * 0 - we are done with this request - * 1 - this request is not freed yet, it still has pending buffers. + * %0 - we are done with this request + * %1 - this request is not freed yet, it still has pending buffers. **/ static int blk_end_io(struct request *rq, int error, unsigned int nr_bytes, unsigned int bidi_bytes, @@ -1919,7 +1919,7 @@ static int blk_end_io(struct request *rq, int error, unsigned int nr_bytes, /** * blk_end_request - Helper function for drivers to complete the request. * @rq: the request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete * * Description: @@ -1927,8 +1927,8 @@ static int blk_end_io(struct request *rq, int error, unsigned int nr_bytes, * If @rq has leftover, sets it up for the next range of segments. * * Return: - * 0 - we are done with this request - * 1 - still buffers pending for this request + * %0 - we are done with this request + * %1 - still buffers pending for this request **/ int blk_end_request(struct request *rq, int error, unsigned int nr_bytes) { @@ -1939,15 +1939,15 @@ EXPORT_SYMBOL_GPL(blk_end_request); /** * __blk_end_request - Helper function for drivers to complete the request. * @rq: the request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete * * Description: * Must be called with queue lock held unlike blk_end_request(). * * Return: - * 0 - we are done with this request - * 1 - still buffers pending for this request + * %0 - we are done with this request + * %1 - still buffers pending for this request **/ int __blk_end_request(struct request *rq, int error, unsigned int nr_bytes) { @@ -1966,7 +1966,7 @@ EXPORT_SYMBOL_GPL(__blk_end_request); /** * blk_end_bidi_request - Helper function for drivers to complete bidi request. * @rq: the bidi request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete @rq * @bidi_bytes: number of bytes to complete @rq->next_rq * @@ -1974,8 +1974,8 @@ EXPORT_SYMBOL_GPL(__blk_end_request); * Ends I/O on a number of bytes attached to @rq and @rq->next_rq. * * Return: - * 0 - we are done with this request - * 1 - still buffers pending for this request + * %0 - we are done with this request + * %1 - still buffers pending for this request **/ int blk_end_bidi_request(struct request *rq, int error, unsigned int nr_bytes, unsigned int bidi_bytes) @@ -1987,11 +1987,11 @@ EXPORT_SYMBOL_GPL(blk_end_bidi_request); /** * blk_end_request_callback - Special helper function for tricky drivers * @rq: the request being processed - * @error: 0 for success, < 0 for error + * @error: %0 for success, < %0 for error * @nr_bytes: number of bytes to complete * @drv_callback: function called between completion of bios in the request * and completion of the request. - * If the callback returns non 0, this helper returns without + * If the callback returns non %0, this helper returns without * completion of the request. * * Description: @@ -2004,10 +2004,10 @@ EXPORT_SYMBOL_GPL(blk_end_bidi_request); * Don't use this interface in other places anymore. * * Return: - * 0 - we are done with this request - * 1 - this request is not freed yet. - * this request still has pending buffers or - * the driver doesn't want to finish this request yet. + * %0 - we are done with this request + * %1 - this request is not freed yet. + * this request still has pending buffers or + * the driver doesn't want to finish this request yet. **/ int blk_end_request_callback(struct request *rq, int error, unsigned int nr_bytes, diff --git a/block/blk-exec.c b/block/blk-exec.c index 9bceff7674f2..6af716d1e54e 100644 --- a/block/blk-exec.c +++ b/block/blk-exec.c @@ -16,7 +16,7 @@ /** * blk_end_sync_rq - executes a completion event on a request * @rq: request to complete - * @error: end io status of the request + * @error: end I/O status of the request */ static void blk_end_sync_rq(struct request *rq, int error) { @@ -41,7 +41,7 @@ static void blk_end_sync_rq(struct request *rq, int error) * @done: I/O completion handler * * Description: - * Insert a fully prepared request at the back of the io scheduler queue + * Insert a fully prepared request at the back of the I/O scheduler queue * for execution. Don't wait for completion. */ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk, @@ -72,7 +72,7 @@ EXPORT_SYMBOL_GPL(blk_execute_rq_nowait); * @at_head: insert request at head or tail of queue * * Description: - * Insert a fully prepared request at the back of the io scheduler queue + * Insert a fully prepared request at the back of the I/O scheduler queue * for execution and wait for completion. */ int blk_execute_rq(struct request_queue *q, struct gendisk *bd_disk, diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 3f1a8478cc38..d87606eaca1d 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -109,8 +109,8 @@ EXPORT_SYMBOL(blk_rq_map_integrity_sg); /** * blk_integrity_compare - Compare integrity profile of two block devices - * @b1: Device to compare - * @b2: Device to compare + * @bd1: Device to compare + * @bd2: Device to compare * * Description: Meta-devices like DM and MD need to verify that all * sub-devices use the same integrity format before advertising to diff --git a/block/blk-map.c b/block/blk-map.c index af37e4ae62f5..ea1bf53929e4 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -85,17 +85,17 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, } /** - * blk_rq_map_user - map user data to a request, for REQ_BLOCK_PC usage + * blk_rq_map_user - map user data to a request, for REQ_TYPE_BLOCK_PC usage * @q: request queue where request should be inserted * @rq: request structure to fill * @ubuf: the user buffer * @len: length of user data * * Description: - * Data will be mapped directly for zero copy io, if possible. Otherwise + * Data will be mapped directly for zero copy I/O, if possible. Otherwise * a kernel bounce buffer is used. * - * A matching blk_rq_unmap_user() must be issued at the end of io, while + * A matching blk_rq_unmap_user() must be issued at the end of I/O, while * still in process context. * * Note: The mapped bio may need to be bounced through blk_queue_bounce() @@ -154,7 +154,7 @@ unmap_rq: EXPORT_SYMBOL(blk_rq_map_user); /** - * blk_rq_map_user_iov - map user data to a request, for REQ_BLOCK_PC usage + * blk_rq_map_user_iov - map user data to a request, for REQ_TYPE_BLOCK_PC usage * @q: request queue where request should be inserted * @rq: request to map data to * @iov: pointer to the iovec @@ -162,10 +162,10 @@ EXPORT_SYMBOL(blk_rq_map_user); * @len: I/O byte count * * Description: - * Data will be mapped directly for zero copy io, if possible. Otherwise + * Data will be mapped directly for zero copy I/O, if possible. Otherwise * a kernel bounce buffer is used. * - * A matching blk_rq_unmap_user() must be issued at the end of io, while + * A matching blk_rq_unmap_user() must be issued at the end of I/O, while * still in process context. * * Note: The mapped bio may need to be bounced through blk_queue_bounce() @@ -224,7 +224,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, * Description: * Unmap a rq previously mapped by blk_rq_map_user(). The caller must * supply the original rq->bio from the blk_rq_map_user() return, since - * the io completion may have changed rq->bio. + * the I/O completion may have changed rq->bio. */ int blk_rq_unmap_user(struct bio *bio) { @@ -250,7 +250,7 @@ int blk_rq_unmap_user(struct bio *bio) EXPORT_SYMBOL(blk_rq_unmap_user); /** - * blk_rq_map_kern - map kernel data to a request, for REQ_BLOCK_PC usage + * blk_rq_map_kern - map kernel data to a request, for REQ_TYPE_BLOCK_PC usage * @q: request queue where request should be inserted * @rq: request to fill * @kbuf: the kernel buffer diff --git a/block/blk-settings.c b/block/blk-settings.c index 539d873c820d..d70692badcdb 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -144,7 +144,7 @@ EXPORT_SYMBOL(blk_queue_make_request); * Different hardware can have different requirements as to what pages * it can do I/O directly to. A low level driver can call * blk_queue_bounce_limit to have lower memory pages allocated as bounce - * buffers for doing I/O to pages residing above @page. + * buffers for doing I/O to pages residing above @dma_addr. **/ void blk_queue_bounce_limit(struct request_queue *q, u64 dma_addr) { @@ -229,7 +229,7 @@ EXPORT_SYMBOL(blk_queue_max_phys_segments); * Description: * Enables a low level driver to set an upper limit on the number of * hw data segments in a request. This would be the largest number of - * address/length pairs the host adapter can actually give as once + * address/length pairs the host adapter can actually give at once * to the device. **/ void blk_queue_max_hw_segments(struct request_queue *q, @@ -410,7 +410,7 @@ EXPORT_SYMBOL(blk_queue_segment_boundary); * @mask: alignment mask * * description: - * set required memory and length aligment for direct dma transactions. + * set required memory and length alignment for direct dma transactions. * this is used when buiding direct io requests for the queue. * **/ @@ -426,7 +426,7 @@ EXPORT_SYMBOL(blk_queue_dma_alignment); * @mask: alignment mask * * description: - * update required memory and length aligment for direct dma transactions. + * update required memory and length alignment for direct dma transactions. * If the requested alignment is larger than the current alignment, then * the current queue alignment is updated to the new value, otherwise it * is left alone. The design of this is to allow multiple objects diff --git a/block/blk-tag.c b/block/blk-tag.c index ed5166fbc599..8a99688eb1b1 100644 --- a/block/blk-tag.c +++ b/block/blk-tag.c @@ -29,7 +29,7 @@ EXPORT_SYMBOL(blk_queue_find_tag); * __blk_free_tags - release a given set of tag maintenance info * @bqt: the tag map to free * - * Tries to free the specified @bqt@. Returns true if it was + * Tries to free the specified @bqt. Returns true if it was * actually freed and false if there are still references using it */ static int __blk_free_tags(struct blk_queue_tag *bqt) @@ -78,7 +78,7 @@ void __blk_queue_free_tags(struct request_queue *q) * blk_free_tags - release a given set of tag maintenance info * @bqt: the tag map to free * - * For externally managed @bqt@ frees the map. Callers of this + * For externally managed @bqt frees the map. Callers of this * function must guarantee to have released all the queues that * might have been using this tag map. */ @@ -94,7 +94,7 @@ EXPORT_SYMBOL(blk_free_tags); * @q: the request queue for the device * * Notes: - * This is used to disabled tagged queuing to a device, yet leave + * This is used to disable tagged queuing to a device, yet leave * queue in function. **/ void blk_queue_free_tags(struct request_queue *q) @@ -271,7 +271,7 @@ EXPORT_SYMBOL(blk_queue_resize_tags); * @rq: the request that has completed * * Description: - * Typically called when end_that_request_first() returns 0, meaning + * Typically called when end_that_request_first() returns %0, meaning * all transfers have been done for a request. It's important to call * this function before end_that_request_last(), as that will put the * request back on the free list thus corrupting the internal tag list. diff --git a/block/genhd.c b/block/genhd.c index e0ce23ac2ece..c114a43052de 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -211,10 +211,11 @@ void unlink_gendisk(struct gendisk *disk) /** * get_gendisk - get partitioning information for a given device - * @dev: device to get partitioning information for + * @devt: device to get partitioning information for + * @part: returned partition index * * This function gets the structure containing partitioning - * information for the given device @dev. + * information for the given device @devt. */ struct gendisk *get_gendisk(dev_t devt, int *part) { -- GitLab From a1ed5b0cffe4b16a93a6a3390e8cee0fbef94f86 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:50:16 +0200 Subject: [PATCH 3151/6244] klist: don't iterate over deleted entries A klist entry is kept on the list till all its current iterations are finished; however, a new iteration after deletion also iterates over deleted entries as long as their reference count stays above zero. This causes problems for cases where there are users which iterate over the list while synchronized against list manipulations and natuarally expect already deleted entries to not show up during iteration. This patch implements dead flag which gets set on deletion so that iteration can skip already deleted entries. The dead flag piggy backs on the lowest bit of knode->n_klist and only visible to klist implementation proper. While at it, drop klist_iter->i_head as it's redundant and doesn't offer anything in semantics or performance wise as klist_iter->i_klist is dereferenced on every iteration anyway. Signed-off-by: Tejun Heo Cc: Greg Kroah-Hartman Cc: Alan Stern Cc: Jens Axboe Signed-off-by: Jens Axboe --- include/linux/klist.h | 3 +- lib/klist.c | 96 +++++++++++++++++++++++++++++++------------ 2 files changed, 71 insertions(+), 28 deletions(-) diff --git a/include/linux/klist.h b/include/linux/klist.h index 06c338ef7f1b..8ea98db223e5 100644 --- a/include/linux/klist.h +++ b/include/linux/klist.h @@ -38,7 +38,7 @@ extern void klist_init(struct klist *k, void (*get)(struct klist_node *), void (*put)(struct klist_node *)); struct klist_node { - struct klist *n_klist; + void *n_klist; /* never access directly */ struct list_head n_node; struct kref n_ref; struct completion n_removed; @@ -57,7 +57,6 @@ extern int klist_node_attached(struct klist_node *n); struct klist_iter { struct klist *i_klist; - struct list_head *i_head; struct klist_node *i_cur; }; diff --git a/lib/klist.c b/lib/klist.c index cca37f96faa2..bbdd3015c2c7 100644 --- a/lib/klist.c +++ b/lib/klist.c @@ -37,6 +37,37 @@ #include #include +/* + * Use the lowest bit of n_klist to mark deleted nodes and exclude + * dead ones from iteration. + */ +#define KNODE_DEAD 1LU +#define KNODE_KLIST_MASK ~KNODE_DEAD + +static struct klist *knode_klist(struct klist_node *knode) +{ + return (struct klist *) + ((unsigned long)knode->n_klist & KNODE_KLIST_MASK); +} + +static bool knode_dead(struct klist_node *knode) +{ + return (unsigned long)knode->n_klist & KNODE_DEAD; +} + +static void knode_set_klist(struct klist_node *knode, struct klist *klist) +{ + knode->n_klist = klist; + /* no knode deserves to start its life dead */ + WARN_ON(knode_dead(knode)); +} + +static void knode_kill(struct klist_node *knode) +{ + /* and no knode should die twice ever either, see we're very humane */ + WARN_ON(knode_dead(knode)); + *(unsigned long *)&knode->n_klist |= KNODE_DEAD; +} /** * klist_init - Initialize a klist structure. @@ -79,7 +110,7 @@ static void klist_node_init(struct klist *k, struct klist_node *n) INIT_LIST_HEAD(&n->n_node); init_completion(&n->n_removed); kref_init(&n->n_ref); - n->n_klist = k; + knode_set_klist(n, k); if (k->get) k->get(n); } @@ -115,7 +146,7 @@ EXPORT_SYMBOL_GPL(klist_add_tail); */ void klist_add_after(struct klist_node *n, struct klist_node *pos) { - struct klist *k = pos->n_klist; + struct klist *k = knode_klist(pos); klist_node_init(k, n); spin_lock(&k->k_lock); @@ -131,7 +162,7 @@ EXPORT_SYMBOL_GPL(klist_add_after); */ void klist_add_before(struct klist_node *n, struct klist_node *pos) { - struct klist *k = pos->n_klist; + struct klist *k = knode_klist(pos); klist_node_init(k, n); spin_lock(&k->k_lock); @@ -144,9 +175,10 @@ static void klist_release(struct kref *kref) { struct klist_node *n = container_of(kref, struct klist_node, n_ref); + WARN_ON(!knode_dead(n)); list_del(&n->n_node); complete(&n->n_removed); - n->n_klist = NULL; + knode_set_klist(n, NULL); } static int klist_dec_and_del(struct klist_node *n) @@ -154,22 +186,29 @@ static int klist_dec_and_del(struct klist_node *n) return kref_put(&n->n_ref, klist_release); } -/** - * klist_del - Decrement the reference count of node and try to remove. - * @n: node we're deleting. - */ -void klist_del(struct klist_node *n) +static void klist_put(struct klist_node *n, bool kill) { - struct klist *k = n->n_klist; + struct klist *k = knode_klist(n); void (*put)(struct klist_node *) = k->put; spin_lock(&k->k_lock); + if (kill) + knode_kill(n); if (!klist_dec_and_del(n)) put = NULL; spin_unlock(&k->k_lock); if (put) put(n); } + +/** + * klist_del - Decrement the reference count of node and try to remove. + * @n: node we're deleting. + */ +void klist_del(struct klist_node *n) +{ + klist_put(n, true); +} EXPORT_SYMBOL_GPL(klist_del); /** @@ -206,7 +245,6 @@ void klist_iter_init_node(struct klist *k, struct klist_iter *i, struct klist_node *n) { i->i_klist = k; - i->i_head = &k->k_list; i->i_cur = n; if (n) kref_get(&n->n_ref); @@ -237,7 +275,7 @@ EXPORT_SYMBOL_GPL(klist_iter_init); void klist_iter_exit(struct klist_iter *i) { if (i->i_cur) { - klist_del(i->i_cur); + klist_put(i->i_cur, false); i->i_cur = NULL; } } @@ -258,27 +296,33 @@ static struct klist_node *to_klist_node(struct list_head *n) */ struct klist_node *klist_next(struct klist_iter *i) { - struct list_head *next; - struct klist_node *lnode = i->i_cur; - struct klist_node *knode = NULL; void (*put)(struct klist_node *) = i->i_klist->put; + struct klist_node *last = i->i_cur; + struct klist_node *next; spin_lock(&i->i_klist->k_lock); - if (lnode) { - next = lnode->n_node.next; - if (!klist_dec_and_del(lnode)) + + if (last) { + next = to_klist_node(last->n_node.next); + if (!klist_dec_and_del(last)) put = NULL; } else - next = i->i_head->next; + next = to_klist_node(i->i_klist->k_list.next); - if (next != i->i_head) { - knode = to_klist_node(next); - kref_get(&knode->n_ref); + i->i_cur = NULL; + while (next != to_klist_node(&i->i_klist->k_list)) { + if (likely(!knode_dead(next))) { + kref_get(&next->n_ref); + i->i_cur = next; + break; + } + next = to_klist_node(next->n_node.next); } - i->i_cur = knode; + spin_unlock(&i->i_klist->k_lock); - if (put && lnode) - put(lnode); - return knode; + + if (put && last) + put(last); + return i->i_cur; } EXPORT_SYMBOL_GPL(klist_next); -- GitLab From 5a3ceb861663040f9ef0176df4aaa494bba5e352 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:50:19 +0200 Subject: [PATCH 3152/6244] driver-core: use klist for class device list and implement iterator Iterating over entries using callback usually isn't too fun especially when the entry being iterated over can't be manipulated freely. This patch converts class->p->class_devices to klist and implements class device iterator so that the users can freely build their own control structure. The users are also free to call back into class code without worrying about locking. class_for_each_device() and class_find_device() are converted to use the new iterators, so their users don't have to worry about locking anymore either. Note: This depends on klist-dont-iterate-over-deleted-entries patch because class_intf->add/remove_dev() depends on proper synchronization with device removal. Signed-off-by: Tejun Heo Cc: Greg Kroah-Hartman Cc: Jens Axboe Signed-off-by: Jens Axboe --- drivers/base/base.h | 2 +- drivers/base/class.c | 136 +++++++++++++++++++++++++++++++---------- drivers/base/core.c | 6 +- include/linux/device.h | 14 ++++- 4 files changed, 120 insertions(+), 38 deletions(-) diff --git a/drivers/base/base.h b/drivers/base/base.h index 31dc0cd84afa..0a5f055dffba 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -54,7 +54,7 @@ struct driver_private { */ struct class_private { struct kset class_subsys; - struct list_head class_devices; + struct klist class_devices; struct list_head class_interfaces; struct kset class_dirs; struct mutex class_mutex; diff --git a/drivers/base/class.c b/drivers/base/class.c index cc5e28c8885c..eb85e4312301 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -135,6 +135,20 @@ static void remove_class_attrs(struct class *cls) } } +static void klist_class_dev_get(struct klist_node *n) +{ + struct device *dev = container_of(n, struct device, knode_class); + + get_device(dev); +} + +static void klist_class_dev_put(struct klist_node *n) +{ + struct device *dev = container_of(n, struct device, knode_class); + + put_device(dev); +} + int __class_register(struct class *cls, struct lock_class_key *key) { struct class_private *cp; @@ -145,7 +159,7 @@ int __class_register(struct class *cls, struct lock_class_key *key) cp = kzalloc(sizeof(*cp), GFP_KERNEL); if (!cp) return -ENOMEM; - INIT_LIST_HEAD(&cp->class_devices); + klist_init(&cp->class_devices, klist_class_dev_get, klist_class_dev_put); INIT_LIST_HEAD(&cp->class_interfaces); kset_init(&cp->class_dirs); __mutex_init(&cp->class_mutex, "struct class mutex", key); @@ -268,6 +282,71 @@ char *make_class_name(const char *name, struct kobject *kobj) } #endif +/** + * class_dev_iter_init - initialize class device iterator + * @iter: class iterator to initialize + * @class: the class we wanna iterate over + * @start: the device to start iterating from, if any + * @type: device_type of the devices to iterate over, NULL for all + * + * Initialize class iterator @iter such that it iterates over devices + * of @class. If @start is set, the list iteration will start there, + * otherwise if it is NULL, the iteration starts at the beginning of + * the list. + */ +void class_dev_iter_init(struct class_dev_iter *iter, struct class *class, + struct device *start, const struct device_type *type) +{ + struct klist_node *start_knode = NULL; + + if (start) + start_knode = &start->knode_class; + klist_iter_init_node(&class->p->class_devices, &iter->ki, start_knode); + iter->type = type; +} +EXPORT_SYMBOL_GPL(class_dev_iter_init); + +/** + * class_dev_iter_next - iterate to the next device + * @iter: class iterator to proceed + * + * Proceed @iter to the next device and return it. Returns NULL if + * iteration is complete. + * + * The returned device is referenced and won't be released till + * iterator is proceed to the next device or exited. The caller is + * free to do whatever it wants to do with the device including + * calling back into class code. + */ +struct device *class_dev_iter_next(struct class_dev_iter *iter) +{ + struct klist_node *knode; + struct device *dev; + + while (1) { + knode = klist_next(&iter->ki); + if (!knode) + return NULL; + dev = container_of(knode, struct device, knode_class); + if (!iter->type || iter->type == dev->type) + return dev; + } +} +EXPORT_SYMBOL_GPL(class_dev_iter_next); + +/** + * class_dev_iter_exit - finish iteration + * @iter: class iterator to finish + * + * Finish an iteration. Always call this function after iteration is + * complete whether the iteration ran till the end or not. + */ +void class_dev_iter_exit(struct class_dev_iter *iter) +{ + klist_iter_exit(&iter->ki); +} +EXPORT_SYMBOL_GPL(class_dev_iter_exit); + /** * class_for_each_device - device iterator * @class: the class we're iterating @@ -283,13 +362,13 @@ char *make_class_name(const char *name, struct kobject *kobj) * We check the return of @fn each time. If it returns anything * other than 0, we break out and return that value. * - * Note, we hold class->class_mutex in this function, so it can not be - * re-acquired in @fn, otherwise it will self-deadlocking. For - * example, calls to add or remove class members would be verboten. + * @fn is allowed to do anything including calling back into class + * code. There's no locking restriction. */ int class_for_each_device(struct class *class, struct device *start, void *data, int (*fn)(struct device *, void *)) { + struct class_dev_iter iter; struct device *dev; int error = 0; @@ -301,20 +380,13 @@ int class_for_each_device(struct class *class, struct device *start, return -EINVAL; } - mutex_lock(&class->p->class_mutex); - list_for_each_entry(dev, &class->p->class_devices, node) { - if (start) { - if (start == dev) - start = NULL; - continue; - } - dev = get_device(dev); + class_dev_iter_init(&iter, class, start, NULL); + while ((dev = class_dev_iter_next(&iter))) { error = fn(dev, data); - put_device(dev); if (error) break; } - mutex_unlock(&class->p->class_mutex); + class_dev_iter_exit(&iter); return error; } @@ -337,16 +409,15 @@ EXPORT_SYMBOL_GPL(class_for_each_device); * * Note, you will need to drop the reference with put_device() after use. * - * We hold class->class_mutex in this function, so it can not be - * re-acquired in @match, otherwise it will self-deadlocking. For - * example, calls to add or remove class members would be verboten. + * @fn is allowed to do anything including calling back into class + * code. There's no locking restriction. */ struct device *class_find_device(struct class *class, struct device *start, void *data, int (*match)(struct device *, void *)) { + struct class_dev_iter iter; struct device *dev; - int found = 0; if (!class) return NULL; @@ -356,29 +427,23 @@ struct device *class_find_device(struct class *class, struct device *start, return NULL; } - mutex_lock(&class->p->class_mutex); - list_for_each_entry(dev, &class->p->class_devices, node) { - if (start) { - if (start == dev) - start = NULL; - continue; - } - dev = get_device(dev); + class_dev_iter_init(&iter, class, start, NULL); + while ((dev = class_dev_iter_next(&iter))) { if (match(dev, data)) { - found = 1; + get_device(dev); break; - } else - put_device(dev); + } } - mutex_unlock(&class->p->class_mutex); + class_dev_iter_exit(&iter); - return found ? dev : NULL; + return dev; } EXPORT_SYMBOL_GPL(class_find_device); int class_interface_register(struct class_interface *class_intf) { struct class *parent; + struct class_dev_iter iter; struct device *dev; if (!class_intf || !class_intf->class) @@ -391,8 +456,10 @@ int class_interface_register(struct class_interface *class_intf) mutex_lock(&parent->p->class_mutex); list_add_tail(&class_intf->node, &parent->p->class_interfaces); if (class_intf->add_dev) { - list_for_each_entry(dev, &parent->p->class_devices, node) + class_dev_iter_init(&iter, parent, NULL, NULL); + while ((dev = class_dev_iter_next(&iter))) class_intf->add_dev(dev, class_intf); + class_dev_iter_exit(&iter); } mutex_unlock(&parent->p->class_mutex); @@ -402,6 +469,7 @@ int class_interface_register(struct class_interface *class_intf) void class_interface_unregister(struct class_interface *class_intf) { struct class *parent = class_intf->class; + struct class_dev_iter iter; struct device *dev; if (!parent) @@ -410,8 +478,10 @@ void class_interface_unregister(struct class_interface *class_intf) mutex_lock(&parent->p->class_mutex); list_del_init(&class_intf->node); if (class_intf->remove_dev) { - list_for_each_entry(dev, &parent->p->class_devices, node) + class_dev_iter_init(&iter, parent, NULL, NULL); + while ((dev = class_dev_iter_next(&iter))) class_intf->remove_dev(dev, class_intf); + class_dev_iter_exit(&iter); } mutex_unlock(&parent->p->class_mutex); diff --git a/drivers/base/core.c b/drivers/base/core.c index d021c98605b3..b98cb1416a2d 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -536,7 +536,6 @@ void device_initialize(struct device *dev) klist_init(&dev->klist_children, klist_children_get, klist_children_put); INIT_LIST_HEAD(&dev->dma_pools); - INIT_LIST_HEAD(&dev->node); init_MUTEX(&dev->sem); spin_lock_init(&dev->devres_lock); INIT_LIST_HEAD(&dev->devres_head); @@ -916,7 +915,8 @@ int device_add(struct device *dev) if (dev->class) { mutex_lock(&dev->class->p->class_mutex); /* tie the class to the device */ - list_add_tail(&dev->node, &dev->class->p->class_devices); + klist_add_tail(&dev->knode_class, + &dev->class->p->class_devices); /* notify any interfaces that the device is here */ list_for_each_entry(class_intf, @@ -1032,7 +1032,7 @@ void device_del(struct device *dev) if (class_intf->remove_dev) class_intf->remove_dev(dev, class_intf); /* remove the device from the class list */ - list_del_init(&dev->node); + klist_del(&dev->knode_class); mutex_unlock(&dev->class->p->class_mutex); } device_remove_file(dev, &uevent_attr); diff --git a/include/linux/device.h b/include/linux/device.h index 4d8372d135df..246937c9cbc7 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -199,6 +199,11 @@ struct class { struct class_private *p; }; +struct class_dev_iter { + struct klist_iter ki; + const struct device_type *type; +}; + extern struct kobject *sysfs_dev_block_kobj; extern struct kobject *sysfs_dev_char_kobj; extern int __must_check __class_register(struct class *class, @@ -213,6 +218,13 @@ extern void class_unregister(struct class *class); __class_register(class, &__key); \ }) +extern void class_dev_iter_init(struct class_dev_iter *iter, + struct class *class, + struct device *start, + const struct device_type *type); +extern struct device *class_dev_iter_next(struct class_dev_iter *iter); +extern void class_dev_iter_exit(struct class_dev_iter *iter); + extern int class_for_each_device(struct class *class, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); @@ -396,7 +408,7 @@ struct device { spinlock_t devres_lock; struct list_head devres_head; - struct list_head node; + struct klist_node knode_class; struct class *class; dev_t devt; /* dev_t, creates the sysfs "dev" */ struct attribute_group **groups; /* optional groups */ -- GitLab From ac65ece4eee10b03ac29ee925cadc179dc810bab Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:30:12 +0900 Subject: [PATCH 3153/6244] block: fix partition info printouts Recent block_class iteration updates 5c6f35c5..27f3025 broke partition info printouts. * printk_all_partitions(): Partition print out stops when it meets a partition hole. Partition printing inner loop should continue instead of exiting on empty partition slot. * /proc/partitions and /proc/diskstats: If all information can't be read in single read(), the information is truncated. This is because find_start() doesn't actually update the counter containing the initial seek. It runs to the end and ends up always reporting EOF on the second read. This patch fixes both problems. Signed-off-by: Tejun Heo Cc: Greg Kroah-Hartman Signed-off-by: Jens Axboe --- block/genhd.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index c114a43052de..0be95135c404 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -236,7 +236,7 @@ static int printk_partition(struct device *dev, void *data) int n; if (dev->type != &disk_type) - goto exit; + return 0; sgp = dev_to_disk(dev); /* @@ -244,7 +244,7 @@ static int printk_partition(struct device *dev, void *data) */ if (get_capacity(sgp) == 0 || (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) - goto exit; + return 0; /* * Note, unlike /proc/partitions, I am showing the numbers in @@ -264,15 +264,15 @@ static int printk_partition(struct device *dev, void *data) /* now show the partitions */ for (n = 0; n < sgp->minors - 1; ++n) { if (sgp->part[n] == NULL) - goto exit; + continue; if (sgp->part[n]->nr_sects == 0) - goto exit; + continue; printk(" %02x%02x %10llu %s\n", sgp->major, n + 1 + sgp->first_minor, (unsigned long long)sgp->part[n]->nr_sects >> 1, disk_name(sgp, n + 1, buf)); } -exit: + return 0; } -- GitLab From 2ac3cee5298a247b2774f3319b28a05f588c3f0e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 08:53:37 +0200 Subject: [PATCH 3154/6244] block: don't grab block_class_lock unnecessarily block_class_lock protects major_names array and bdev_map and doesn't have anything to do with block class devices. Don't grab them while iterating over block class devices. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 0be95135c404..9eb8b3e212c1 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -283,9 +283,7 @@ static int printk_partition(struct device *dev, void *data) */ void __init printk_all_partitions(void) { - mutex_lock(&block_class_lock); class_for_each_device(&block_class, NULL, NULL, printk_partition); - mutex_unlock(&block_class_lock); } #ifdef CONFIG_PROC_FS @@ -305,17 +303,15 @@ static int find_start(struct device *dev, void *data) static void *part_start(struct seq_file *part, loff_t *pos) { struct device *dev; - loff_t k = *pos; + loff_t n = *pos; - if (!k) + if (!n) part->private = (void *)1LU; /* tell show to print header */ - mutex_lock(&block_class_lock); - dev = class_find_device(&block_class, NULL, &k, find_start); - if (dev) { - put_device(dev); + dev = class_find_device(&block_class, NULL, &n, find_start); + if (dev) return dev_to_disk(dev); - } + return NULL; } @@ -341,7 +337,6 @@ static void *part_next(struct seq_file *part, void *v, loff_t *pos) static void part_stop(struct seq_file *part, void *v) { - mutex_unlock(&block_class_lock); } static int show_partition(struct seq_file *part, void *v) @@ -583,14 +578,12 @@ static struct device_type disk_type = { static void *diskstats_start(struct seq_file *part, loff_t *pos) { struct device *dev; - loff_t k = *pos; + loff_t n = *pos; - mutex_lock(&block_class_lock); - dev = class_find_device(&block_class, NULL, &k, find_start); - if (dev) { - put_device(dev); + dev = class_find_device(&block_class, NULL, &n, find_start); + if (dev) return dev_to_disk(dev); - } + return NULL; } @@ -610,7 +603,6 @@ static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos) static void diskstats_stop(struct seq_file *part, void *v) { - mutex_unlock(&block_class_lock); } static int diskstats_show(struct seq_file *s, void *v) @@ -729,7 +721,6 @@ dev_t blk_lookup_devt(const char *name, int part) dev_t devt = MKDEV(0, 0); struct find_block find; - mutex_lock(&block_class_lock); find.name = name; find.part = part; dev = class_find_device(&block_class, NULL, &find, match_id); @@ -738,7 +729,6 @@ dev_t blk_lookup_devt(const char *name, int part) devt = MKDEV(MAJOR(dev->devt), MINOR(dev->devt) + part); } - mutex_unlock(&block_class_lock); return devt; } -- GitLab From def4e38ddda9bef20b69bfa939195c2f79da7979 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 08:57:12 +0200 Subject: [PATCH 3155/6244] block: use class_dev_iterator instead of class_for_each_device() Recent block_class iteration updates 5c6f35c5..27f3025 converted all class device iteration to class_for_each_device() and class_find_device(), which are correct but pain in the ass to use. This pach converts them to newly introduced class_dev_iterator so that they can use more natural control structures instead of separate callbacks and struct to pass parameters to them. This results in smaller and easier code. This patch also restores the original behavior of not printing header in /proc/partitions if there's no partition to print. This is trivial but still user-visible behavior. Signed-off-by: Tejun Heo Cc: Greg Kroah-Hartman Signed-off-by: Jens Axboe --- block/genhd.c | 252 +++++++++++++++++++------------------------------- 1 file changed, 97 insertions(+), 155 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 9eb8b3e212c1..8b9a9ff1a842 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -225,57 +225,6 @@ struct gendisk *get_gendisk(dev_t devt, int *part) return kobj ? dev_to_disk(dev) : NULL; } -/* - * print a partitions - intended for places where the root filesystem can't be - * mounted and thus to give the victim some idea of what went wrong - */ -static int printk_partition(struct device *dev, void *data) -{ - struct gendisk *sgp; - char buf[BDEVNAME_SIZE]; - int n; - - if (dev->type != &disk_type) - return 0; - - sgp = dev_to_disk(dev); - /* - * Don't show empty devices or things that have been surpressed - */ - if (get_capacity(sgp) == 0 || - (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) - return 0; - - /* - * Note, unlike /proc/partitions, I am showing the numbers in - * hex - the same format as the root= option takes. - */ - printk("%02x%02x %10llu %s", - sgp->major, sgp->first_minor, - (unsigned long long)get_capacity(sgp) >> 1, - disk_name(sgp, 0, buf)); - if (sgp->driverfs_dev != NULL && - sgp->driverfs_dev->driver != NULL) - printk(" driver: %s\n", - sgp->driverfs_dev->driver->name); - else - printk(" (driver?)\n"); - - /* now show the partitions */ - for (n = 0; n < sgp->minors - 1; ++n) { - if (sgp->part[n] == NULL) - continue; - if (sgp->part[n]->nr_sects == 0) - continue; - printk(" %02x%02x %10llu %s\n", - sgp->major, n + 1 + sgp->first_minor, - (unsigned long long)sgp->part[n]->nr_sects >> 1, - disk_name(sgp, n + 1, buf)); - } - - return 0; -} - /* * print a full list of all partitions - intended for places where the root * filesystem can't be mounted and thus to give the victim some idea of what @@ -283,60 +232,108 @@ static int printk_partition(struct device *dev, void *data) */ void __init printk_all_partitions(void) { - class_for_each_device(&block_class, NULL, NULL, printk_partition); + struct class_dev_iter iter; + struct device *dev; + + class_dev_iter_init(&iter, &block_class, NULL, &disk_type); + while ((dev = class_dev_iter_next(&iter))) { + struct gendisk *disk = dev_to_disk(dev); + char buf[BDEVNAME_SIZE]; + int n; + + /* + * Don't show empty devices or things that have been + * surpressed + */ + if (get_capacity(disk) == 0 || + (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) + continue; + + /* + * Note, unlike /proc/partitions, I am showing the + * numbers in hex - the same format as the root= + * option takes. + */ + printk("%02x%02x %10llu %s", + disk->major, disk->first_minor, + (unsigned long long)get_capacity(disk) >> 1, + disk_name(disk, 0, buf)); + if (disk->driverfs_dev != NULL && + disk->driverfs_dev->driver != NULL) + printk(" driver: %s\n", + disk->driverfs_dev->driver->name); + else + printk(" (driver?)\n"); + + /* now show the partitions */ + for (n = 0; n < disk->minors - 1; ++n) { + if (disk->part[n] == NULL) + continue; + if (disk->part[n]->nr_sects == 0) + continue; + printk(" %02x%02x %10llu %s\n", + disk->major, n + 1 + disk->first_minor, + (unsigned long long)disk->part[n]->nr_sects >> 1, + disk_name(disk, n + 1, buf)); + } + } + class_dev_iter_exit(&iter); } #ifdef CONFIG_PROC_FS /* iterator */ -static int find_start(struct device *dev, void *data) +static void *disk_seqf_start(struct seq_file *seqf, loff_t *pos) { - loff_t *k = data; + loff_t skip = *pos; + struct class_dev_iter *iter; + struct device *dev; - if (dev->type != &disk_type) - return 0; - if (!*k) - return 1; - (*k)--; - return 0; + iter = kmalloc(GFP_KERNEL, sizeof(*iter)); + if (!iter) + return ERR_PTR(-ENOMEM); + + seqf->private = iter; + class_dev_iter_init(iter, &block_class, NULL, &disk_type); + do { + dev = class_dev_iter_next(iter); + if (!dev) + return NULL; + } while (skip--); + + return dev_to_disk(dev); } -static void *part_start(struct seq_file *part, loff_t *pos) +static void *disk_seqf_next(struct seq_file *seqf, void *v, loff_t *pos) { struct device *dev; - loff_t n = *pos; - - if (!n) - part->private = (void *)1LU; /* tell show to print header */ - dev = class_find_device(&block_class, NULL, &n, find_start); + (*pos)++; + dev = class_dev_iter_next(seqf->private); if (dev) return dev_to_disk(dev); return NULL; } -static int find_next(struct device *dev, void *data) +static void disk_seqf_stop(struct seq_file *seqf, void *v) { - if (dev->type == &disk_type) - return 1; - return 0; -} + struct class_dev_iter *iter = seqf->private; -static void *part_next(struct seq_file *part, void *v, loff_t *pos) -{ - struct gendisk *gp = v; - struct device *dev; - ++*pos; - dev = class_find_device(&block_class, &gp->dev, NULL, find_next); - if (dev) { - put_device(dev); - return dev_to_disk(dev); + /* stop is called even after start failed :-( */ + if (iter) { + class_dev_iter_exit(iter); + kfree(iter); } - return NULL; } -static void part_stop(struct seq_file *part, void *v) +static void *show_partition_start(struct seq_file *seqf, loff_t *pos) { + static void *p; + + p = disk_seqf_start(seqf, pos); + if (!IS_ERR(p) && p) + seq_puts(seqf, "major minor #blocks name\n\n"); + return p; } static int show_partition(struct seq_file *part, void *v) @@ -383,9 +380,9 @@ static int show_partition(struct seq_file *part, void *v) } const struct seq_operations partitions_op = { - .start = part_start, - .next = part_next, - .stop = part_stop, + .start = show_partition_start, + .next = disk_seqf_next, + .stop = disk_seqf_stop, .show = show_partition }; #endif @@ -567,44 +564,6 @@ static struct device_type disk_type = { }; #ifdef CONFIG_PROC_FS -/* - * aggregate disk stat collector. Uses the same stats that the sysfs - * entries do, above, but makes them available through one seq_file. - * - * The output looks suspiciously like /proc/partitions with a bunch of - * extra fields. - */ - -static void *diskstats_start(struct seq_file *part, loff_t *pos) -{ - struct device *dev; - loff_t n = *pos; - - dev = class_find_device(&block_class, NULL, &n, find_start); - if (dev) - return dev_to_disk(dev); - - return NULL; -} - -static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos) -{ - struct gendisk *gp = v; - struct device *dev; - - ++*pos; - dev = class_find_device(&block_class, &gp->dev, NULL, find_next); - if (dev) { - put_device(dev); - return dev_to_disk(dev); - } - return NULL; -} - -static void diskstats_stop(struct seq_file *part, void *v) -{ -} - static int diskstats_show(struct seq_file *s, void *v) { struct gendisk *gp = v; @@ -666,9 +625,9 @@ static int diskstats_show(struct seq_file *s, void *v) } const struct seq_operations diskstats_op = { - .start = diskstats_start, - .next = diskstats_next, - .stop = diskstats_stop, + .start = disk_seqf_start, + .next = disk_seqf_next, + .stop = disk_seqf_stop, .show = diskstats_show }; #endif /* CONFIG_PROC_FS */ @@ -696,40 +655,23 @@ void genhd_media_change_notify(struct gendisk *disk) EXPORT_SYMBOL_GPL(genhd_media_change_notify); #endif /* 0 */ -struct find_block { - const char *name; - int part; -}; - -static int match_id(struct device *dev, void *data) +dev_t blk_lookup_devt(const char *name, int part) { - struct find_block *find = data; + dev_t devt = MKDEV(0, 0); + struct class_dev_iter iter; + struct device *dev; - if (dev->type != &disk_type) - return 0; - if (strcmp(dev->bus_id, find->name) == 0) { + class_dev_iter_init(&iter, &block_class, NULL, &disk_type); + while ((dev = class_dev_iter_next(&iter))) { struct gendisk *disk = dev_to_disk(dev); - if (find->part < disk->minors) - return 1; - } - return 0; -} -dev_t blk_lookup_devt(const char *name, int part) -{ - struct device *dev; - dev_t devt = MKDEV(0, 0); - struct find_block find; - - find.name = name; - find.part = part; - dev = class_find_device(&block_class, NULL, &find, match_id); - if (dev) { - put_device(dev); - devt = MKDEV(MAJOR(dev->devt), - MINOR(dev->devt) + part); + if (!strcmp(dev->bus_id, name) && part < disk->minors) { + devt = MKDEV(MAJOR(dev->devt), + MINOR(dev->devt) + part); + break; + } } - + class_dev_iter_exit(&iter); return devt; } EXPORT_SYMBOL(blk_lookup_devt); -- GitLab From ec2cdedf798385a9397ac50dd0405dd658f8529c Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:30:15 +0900 Subject: [PATCH 3156/6244] block: allow deleting zero length partition delete_partition() was noop for zero length partition. As the addition code allows creating zero lenght partition and deletion is assumed to always succeed, this causes memory leak for zero length partitions. Allow zero length partitions to end their meaningless lives. While at it, allow deleting zero lenght partition via BLKPG_DEL_PARTITION ioctl too. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/ioctl.c | 2 -- fs/partitions/check.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index 375c57922b00..c722de0ef2ee 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -68,8 +68,6 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user case BLKPG_DEL_PARTITION: if (!disk->part[part-1]) return -ENXIO; - if (disk->part[part - 1]->nr_sects == 0) - return -ENXIO; bdevp = bdget_disk(disk, part); if (!bdevp) return -ENOMEM; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index ecc3330972e5..68f3e41ae66f 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -325,8 +325,6 @@ void delete_partition(struct gendisk *disk, int part) if (!p) return; - if (!p->nr_sects) - return; disk->part[part-1] = NULL; p->start_sect = 0; p->nr_sects = 0; -- GitLab From 88e341261ca4d39eec21b212961c77eff51105f7 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:30:16 +0900 Subject: [PATCH 3157/6244] block: update add_partition() error handling d805dda4 tried to fix error case handling in add_partition() but had a few problems. * disk->part[] entry is set early and left dangling if operation fails. * Once device initialized, the last put_device() is responsible for freeing all the resources. The failure path freed part_stats and p regardless of put_device() causing double free. * holders subdir holds reference to the disk device, so failure path should remove it to release resources properly which was missing. This patch fixes the above problems and while at it move partition slot busy check into add_partition() for completeness and inlines holders subdirectory creation. Using separate function for it just obfuscates the code. Signed-off-by: Tejun Heo Cc: Abdel Benamrouche Signed-off-by: Jens Axboe --- block/ioctl.c | 7 ++----- fs/partitions/check.c | 40 +++++++++++++++++++++------------------- 2 files changed, 23 insertions(+), 24 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index c722de0ef2ee..eb046aeede8a 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -43,12 +43,9 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user || pstart < 0 || plength < 0) return -EINVAL; } - /* partition number in use? */ + mutex_lock(&bdev->bd_mutex); - if (disk->part[part - 1]) { - mutex_unlock(&bdev->bd_mutex); - return -EBUSY; - } + /* overlap? */ for (i = 0; i < disk->minors - 1; i++) { struct hd_struct *s = disk->part[i]; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 68f3e41ae66f..16f98d824608 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -300,15 +300,6 @@ struct device_type part_type = { .release = part_release, }; -static inline void partition_sysfs_add_subdir(struct hd_struct *p) -{ - struct kobject *k; - - k = kobject_get(&p->dev.kobj); - p->holder_dir = kobject_create_and_add("holders", k); - kobject_put(k); -} - static inline void disk_sysfs_add_subdirs(struct gendisk *disk) { struct kobject *k; @@ -347,13 +338,16 @@ int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, struct hd_struct *p; int err; + if (disk->part[part - 1]) + return -EBUSY; + p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) return -ENOMEM; if (!init_part_stats(p)) { err = -ENOMEM; - goto out0; + goto out_free; } p->start_sect = start; p->nr_sects = len; @@ -372,34 +366,42 @@ int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, p->dev.class = &block_class; p->dev.type = &part_type; p->dev.parent = &disk->dev; - disk->part[part-1] = p; /* delay uevent until 'holders' subdir is created */ p->dev.uevent_suppress = 1; err = device_add(&p->dev); if (err) - goto out1; - partition_sysfs_add_subdir(p); + goto out_put; + + err = -ENOMEM; + p->holder_dir = kobject_create_and_add("holders", &p->dev.kobj); + if (!p->holder_dir) + goto out_del; + p->dev.uevent_suppress = 0; if (flags & ADDPART_FLAG_WHOLEDISK) { err = device_create_file(&p->dev, &dev_attr_whole_disk); if (err) - goto out2; + goto out_del; } + /* everything is up and running, commence */ + disk->part[part - 1] = p; + /* suppress uevent if the disk supresses it */ if (!disk->dev.uevent_suppress) kobject_uevent(&p->dev.kobj, KOBJ_ADD); return 0; -out2: +out_free: + kfree(p); + return err; +out_del: + kobject_put(p->holder_dir); device_del(&p->dev); -out1: +out_put: put_device(&p->dev); - free_part_stats(p); -out0: - kfree(p); return err; } -- GitLab From 310a2c1012934f590192377f65940cad4aa72b15 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:17 +0900 Subject: [PATCH 3158/6244] block: misc updates This patch makes the following misc updates in preparation for disk->part dereference fix and extended block devt support. * implment part_to_disk() * fix comment about gendisk->part indexing * rename get_part() to disk_map_sector() * don't use n which is always zero while printing disk information in diskstats_show() Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-core.c | 7 ++++--- block/blk-merge.c | 4 ++-- block/genhd.c | 4 ++-- drivers/block/aoe/aoecmd.c | 2 +- include/linux/genhd.h | 13 ++++++++++--- 5 files changed, 19 insertions(+), 11 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 86d22e7d65c5..a0dc2e72fcbb 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -60,7 +60,7 @@ static void drive_stat_acct(struct request *rq, int new_io) if (!blk_fs_request(rq) || !rq->rq_disk) return; - part = get_part(rq->rq_disk, rq->sector); + part = disk_map_sector(rq->rq_disk, rq->sector); if (!new_io) __all_stat_inc(rq->rq_disk, part, merges[rw], rq->sector); else { @@ -1557,7 +1557,8 @@ static int __end_that_request_first(struct request *req, int error, } if (blk_fs_request(req) && req->rq_disk) { - struct hd_struct *part = get_part(req->rq_disk, req->sector); + struct hd_struct *part = + disk_map_sector(req->rq_disk, req->sector); const int rw = rq_data_dir(req); all_stat_add(req->rq_disk, part, sectors[rw], @@ -1745,7 +1746,7 @@ static void end_that_request_last(struct request *req, int error) if (disk && blk_fs_request(req) && req != &req->q->bar_rq) { unsigned long duration = jiffies - req->start_time; const int rw = rq_data_dir(req); - struct hd_struct *part = get_part(disk, req->sector); + struct hd_struct *part = disk_map_sector(disk, req->sector); __all_stat_inc(disk, part, ios[rw], req->sector); __all_stat_add(disk, part, ticks[rw], duration, req->sector); diff --git a/block/blk-merge.c b/block/blk-merge.c index d81d91419ff5..9b17da698d7c 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -387,8 +387,8 @@ static int attempt_merge(struct request_queue *q, struct request *req, elv_merge_requests(q, req, next); if (req->rq_disk) { - struct hd_struct *part - = get_part(req->rq_disk, req->sector); + struct hd_struct *part = + disk_map_sector(req->rq_disk, req->sector); disk_round_stats(req->rq_disk); req->rq_disk->in_flight--; if (part) { diff --git a/block/genhd.c b/block/genhd.c index 8b9a9ff1a842..11038fbc75ed 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -568,7 +568,7 @@ static int diskstats_show(struct seq_file *s, void *v) { struct gendisk *gp = v; char buf[BDEVNAME_SIZE]; - int n = 0; + int n; /* if (&gp->dev.kobj.entry == block_class.devices.next) @@ -582,7 +582,7 @@ static int diskstats_show(struct seq_file *s, void *v) disk_round_stats(gp); preempt_enable(); seq_printf(s, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", - gp->major, n + gp->first_minor, disk_name(gp, n, buf), + gp->major, gp->first_minor, disk_name(gp, 0, buf), disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), (unsigned long long)disk_stat_read(gp, sectors[0]), jiffies_to_msecs(disk_stat_read(gp, ticks[0])), diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 2f1746295d06..885d1409521f 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -757,7 +757,7 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector const int rw = bio_data_dir(bio); struct hd_struct *part; - part = get_part(disk, sector); + part = disk_map_sector(disk, sector); all_stat_inc(disk, part, ios[rw], sector); all_stat_add(disk, part, ticks[rw], duration, sector); all_stat_add(disk, part, sectors[rw], n_sect, sector); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index be4f5e5bfe06..c64e659c9843 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -116,7 +116,7 @@ struct gendisk { int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ char disk_name[32]; /* name of major driver */ - struct hd_struct **part; /* [indexed by minor] */ + struct hd_struct **part; /* [indexed by minor - 1] */ struct block_device_operations *fops; struct request_queue *queue; void *private_data; @@ -145,14 +145,21 @@ struct gendisk { #endif }; +static inline struct gendisk *part_to_disk(struct hd_struct *part) +{ + if (likely(part)) + return dev_to_disk((part)->dev.parent); + return NULL; +} + /* * Macros to operate on percpu disk statistics: * * The __ variants should only be called in critical sections. The full * variants disable/enable preemption. */ -static inline struct hd_struct *get_part(struct gendisk *gendiskp, - sector_t sector) +static inline struct hd_struct *disk_map_sector(struct gendisk *gendiskp, + sector_t sector) { struct hd_struct *part; int i; -- GitLab From cf771cb5a7b716f3f9e532fd42a1e3a0a75adec5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 09:01:09 +0200 Subject: [PATCH 3159/6244] block: make variable and argument names more consistent In hd_struct, @partno is used to denote partition number and a number of other places use @part to denote hd_struct. Functions use @part and @index instead. This causes confusion and makes it difficult to use consistent variable names for hd_struct. Always use @partno if a variable represents partition number. Also, print out functions use @f or @part for seq_file argument. Use @seqf uniformly instead. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 54 ++++++++++++++++++++----------------------- block/ioctl.c | 15 ++++++------ fs/block_dev.c | 8 +++---- fs/partitions/check.c | 33 +++++++++++++------------- include/linux/genhd.h | 12 +++++----- 5 files changed, 60 insertions(+), 62 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 11038fbc75ed..dc9ad4c171e2 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -43,14 +43,14 @@ static inline int major_to_index(int major) } #ifdef CONFIG_PROC_FS -void blkdev_show(struct seq_file *f, off_t offset) +void blkdev_show(struct seq_file *seqf, off_t offset) { struct blk_major_name *dp; if (offset < BLKDEV_MAJOR_HASH_SIZE) { mutex_lock(&block_class_lock); for (dp = major_names[offset]; dp; dp = dp->next) - seq_printf(f, "%3d %s\n", dp->major, dp->name); + seq_printf(seqf, "%3d %s\n", dp->major, dp->name); mutex_unlock(&block_class_lock); } } @@ -157,7 +157,7 @@ void blk_unregister_region(dev_t devt, unsigned long range) EXPORT_SYMBOL(blk_unregister_region); -static struct kobject *exact_match(dev_t devt, int *part, void *data) +static struct kobject *exact_match(dev_t devt, int *partno, void *data) { struct gendisk *p = data; @@ -217,9 +217,9 @@ void unlink_gendisk(struct gendisk *disk) * This function gets the structure containing partitioning * information for the given device @devt. */ -struct gendisk *get_gendisk(dev_t devt, int *part) +struct gendisk *get_gendisk(dev_t devt, int *partno) { - struct kobject *kobj = kobj_lookup(bdev_map, devt, part); + struct kobject *kobj = kobj_lookup(bdev_map, devt, partno); struct device *dev = kobj_to_dev(kobj); return kobj ? dev_to_disk(dev) : NULL; @@ -336,23 +336,12 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos) return p; } -static int show_partition(struct seq_file *part, void *v) +static int show_partition(struct seq_file *seqf, void *v) { struct gendisk *sgp = v; int n; char buf[BDEVNAME_SIZE]; - /* - * Print header if start told us to do. This is to preserve - * the original behavior of not printing header if no - * partition exists. This hackery will be removed later with - * class iteration clean up. - */ - if (part->private) { - seq_puts(part, "major minor #blocks name\n\n"); - part->private = NULL; - } - /* Don't show non-partitionable removeable devices or empty devices */ if (!get_capacity(sgp) || (sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE))) @@ -361,7 +350,7 @@ static int show_partition(struct seq_file *part, void *v) return 0; /* show the full disk and all non-0 size partitions of it */ - seq_printf(part, "%4d %4d %10llu %s\n", + seq_printf(seqf, "%4d %4d %10llu %s\n", sgp->major, sgp->first_minor, (unsigned long long)get_capacity(sgp) >> 1, disk_name(sgp, 0, buf)); @@ -370,7 +359,7 @@ static int show_partition(struct seq_file *part, void *v) continue; if (sgp->part[n]->nr_sects == 0) continue; - seq_printf(part, "%4d %4d %10llu %s\n", + seq_printf(seqf, "%4d %4d %10llu %s\n", sgp->major, n + 1 + sgp->first_minor, (unsigned long long)sgp->part[n]->nr_sects >> 1 , disk_name(sgp, n + 1, buf)); @@ -388,7 +377,7 @@ const struct seq_operations partitions_op = { #endif -static struct kobject *base_probe(dev_t devt, int *part, void *data) +static struct kobject *base_probe(dev_t devt, int *partno, void *data) { if (request_module("block-major-%d-%d", MAJOR(devt), MINOR(devt)) > 0) /* Make old-style 2.4 aliases work */ @@ -564,7 +553,14 @@ static struct device_type disk_type = { }; #ifdef CONFIG_PROC_FS -static int diskstats_show(struct seq_file *s, void *v) +/* + * aggregate disk stat collector. Uses the same stats that the sysfs + * entries do, above, but makes them available through one seq_file. + * + * The output looks suspiciously like /proc/partitions with a bunch of + * extra fields. + */ +static int diskstats_show(struct seq_file *seqf, void *v) { struct gendisk *gp = v; char buf[BDEVNAME_SIZE]; @@ -572,7 +568,7 @@ static int diskstats_show(struct seq_file *s, void *v) /* if (&gp->dev.kobj.entry == block_class.devices.next) - seq_puts(s, "major minor name" + seq_puts(seqf, "major minor name" " rio rmerge rsect ruse wio wmerge " "wsect wuse running use aveq" "\n\n"); @@ -581,7 +577,7 @@ static int diskstats_show(struct seq_file *s, void *v) preempt_disable(); disk_round_stats(gp); preempt_enable(); - seq_printf(s, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", + seq_printf(seqf, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", gp->major, gp->first_minor, disk_name(gp, 0, buf), disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), (unsigned long long)disk_stat_read(gp, sectors[0]), @@ -603,7 +599,7 @@ static int diskstats_show(struct seq_file *s, void *v) preempt_disable(); part_round_stats(hd); preempt_enable(); - seq_printf(s, "%4d %4d %s %lu %lu %llu " + seq_printf(seqf, "%4d %4d %s %lu %lu %llu " "%u %lu %lu %llu %u %u %u %u\n", gp->major, n + gp->first_minor + 1, disk_name(gp, n + 1, buf), @@ -655,7 +651,7 @@ void genhd_media_change_notify(struct gendisk *disk) EXPORT_SYMBOL_GPL(genhd_media_change_notify); #endif /* 0 */ -dev_t blk_lookup_devt(const char *name, int part) +dev_t blk_lookup_devt(const char *name, int partno) { dev_t devt = MKDEV(0, 0); struct class_dev_iter iter; @@ -665,9 +661,9 @@ dev_t blk_lookup_devt(const char *name, int part) while ((dev = class_dev_iter_next(&iter))) { struct gendisk *disk = dev_to_disk(dev); - if (!strcmp(dev->bus_id, name) && part < disk->minors) { + if (!strcmp(dev->bus_id, name) && partno < disk->minors) { devt = MKDEV(MAJOR(dev->devt), - MINOR(dev->devt) + part); + MINOR(dev->devt) + partno); break; } } @@ -777,10 +773,10 @@ int bdev_read_only(struct block_device *bdev) EXPORT_SYMBOL(bdev_read_only); -int invalidate_partition(struct gendisk *disk, int index) +int invalidate_partition(struct gendisk *disk, int partno) { int res = 0; - struct block_device *bdev = bdget_disk(disk, index); + struct block_device *bdev = bdget_disk(disk, partno); if (bdev) { fsync_bdev(bdev); res = __invalidate_device(bdev); diff --git a/block/ioctl.c b/block/ioctl.c index eb046aeede8a..d77f5e280a6e 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -15,7 +15,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user struct blkpg_ioctl_arg a; struct blkpg_partition p; long long start, length; - int part; + int partno; int i; int err; @@ -28,8 +28,8 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user disk = bdev->bd_disk; if (bdev != bdev->bd_contains) return -EINVAL; - part = p.pno; - if (part <= 0 || part >= disk->minors) + partno = p.pno; + if (partno <= 0 || partno >= disk->minors) return -EINVAL; switch (a.op) { case BLKPG_ADD_PARTITION: @@ -59,13 +59,14 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user } } /* all seems OK */ - err = add_partition(disk, part, start, length, ADDPART_FLAG_NONE); + err = add_partition(disk, partno, start, length, + ADDPART_FLAG_NONE); mutex_unlock(&bdev->bd_mutex); return err; case BLKPG_DEL_PARTITION: - if (!disk->part[part-1]) + if (!disk->part[partno - 1]) return -ENXIO; - bdevp = bdget_disk(disk, part); + bdevp = bdget_disk(disk, partno); if (!bdevp) return -ENOMEM; mutex_lock(&bdevp->bd_mutex); @@ -79,7 +80,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user invalidate_bdev(bdevp); mutex_lock_nested(&bdev->bd_mutex, 1); - delete_partition(disk, part); + delete_partition(disk, partno); mutex_unlock(&bdev->bd_mutex); mutex_unlock(&bdevp->bd_mutex); bdput(bdevp); diff --git a/fs/block_dev.c b/fs/block_dev.c index aff54219e049..de0776cd7215 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -930,7 +930,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) struct module *owner = NULL; struct gendisk *disk; int ret; - int part; + int partno; int perm = 0; if (file->f_mode & FMODE_READ) @@ -949,7 +949,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) ret = -ENXIO; file->f_mapping = bdev->bd_inode->i_mapping; lock_kernel(); - disk = get_gendisk(bdev->bd_dev, &part); + disk = get_gendisk(bdev->bd_dev, &partno); if (!disk) { unlock_kernel(); bdput(bdev); @@ -961,7 +961,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) if (!bdev->bd_openers) { bdev->bd_disk = disk; bdev->bd_contains = bdev; - if (!part) { + if (!partno) { struct backing_dev_info *bdi; if (disk->fops->open) { ret = disk->fops->open(bdev->bd_inode, file); @@ -989,7 +989,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) if (ret) goto out_first; bdev->bd_contains = whole; - p = disk->part[part - 1]; + p = disk->part[partno - 1]; bdev->bd_inode->i_data.backing_dev_info = whole->bd_inode->i_data.backing_dev_info; if (!(disk->flags & GENHD_FL_UP) || !p || !p->nr_sects) { diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 16f98d824608..b86aab1b0df6 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -120,22 +120,22 @@ static int (*check_part[])(struct parsed_partitions *, struct block_device *) = * a pointer to that same buffer (for convenience). */ -char *disk_name(struct gendisk *hd, int part, char *buf) +char *disk_name(struct gendisk *hd, int partno, char *buf) { - if (!part) + if (!partno) snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name); else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) - snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, part); + snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno); else - snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, part); + snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno); return buf; } const char *bdevname(struct block_device *bdev, char *buf) { - int part = MINOR(bdev->bd_dev) - bdev->bd_disk->first_minor; - return disk_name(bdev->bd_disk, part, buf); + int partno = MINOR(bdev->bd_dev) - bdev->bd_disk->first_minor; + return disk_name(bdev->bd_disk, partno, buf); } EXPORT_SYMBOL(bdevname); @@ -310,13 +310,13 @@ static inline void disk_sysfs_add_subdirs(struct gendisk *disk) kobject_put(k); } -void delete_partition(struct gendisk *disk, int part) +void delete_partition(struct gendisk *disk, int partno) { - struct hd_struct *p = disk->part[part-1]; + struct hd_struct *p = disk->part[partno - 1]; if (!p) return; - disk->part[part-1] = NULL; + disk->part[partno - 1] = NULL; p->start_sect = 0; p->nr_sects = 0; part_stat_set_all(p, 0); @@ -333,12 +333,13 @@ static ssize_t whole_disk_show(struct device *dev, static DEVICE_ATTR(whole_disk, S_IRUSR | S_IRGRP | S_IROTH, whole_disk_show, NULL); -int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags) +int add_partition(struct gendisk *disk, int partno, + sector_t start, sector_t len, int flags) { struct hd_struct *p; int err; - if (disk->part[part - 1]) + if (disk->part[partno - 1]) return -EBUSY; p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -351,18 +352,18 @@ int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, } p->start_sect = start; p->nr_sects = len; - p->partno = part; + p->partno = partno; p->policy = disk->policy; if (isdigit(disk->dev.bus_id[strlen(disk->dev.bus_id)-1])) snprintf(p->dev.bus_id, BUS_ID_SIZE, - "%sp%d", disk->dev.bus_id, part); + "%sp%d", disk->dev.bus_id, partno); else snprintf(p->dev.bus_id, BUS_ID_SIZE, - "%s%d", disk->dev.bus_id, part); + "%s%d", disk->dev.bus_id, partno); device_initialize(&p->dev); - p->dev.devt = MKDEV(disk->major, disk->first_minor + part); + p->dev.devt = MKDEV(disk->major, disk->first_minor + partno); p->dev.class = &block_class; p->dev.type = &part_type; p->dev.parent = &disk->dev; @@ -386,7 +387,7 @@ int add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, } /* everything is up and running, commence */ - disk->part[part - 1] = p; + disk->part[partno - 1] = p; /* suppress uevent if the disk supresses it */ if (!disk->dev.uevent_suppress) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index c64e659c9843..d1723c0a8600 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -365,7 +365,7 @@ extern int get_blkdev_list(char *, int); extern void add_disk(struct gendisk *disk); extern void del_gendisk(struct gendisk *gp); extern void unlink_gendisk(struct gendisk *gp); -extern struct gendisk *get_gendisk(dev_t dev, int *part); +extern struct gendisk *get_gendisk(dev_t dev, int *partno); extern void set_device_ro(struct block_device *bdev, int flag); extern void set_disk_ro(struct gendisk *disk, int flag); @@ -534,8 +534,8 @@ struct unixware_disklabel { #define ADDPART_FLAG_RAID 1 #define ADDPART_FLAG_WHOLEDISK 2 -extern dev_t blk_lookup_devt(const char *name, int part); -extern char *disk_name (struct gendisk *hd, int part, char *buf); +extern dev_t blk_lookup_devt(const char *name, int partno); +extern char *disk_name (struct gendisk *hd, int partno, char *buf); extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int); @@ -553,16 +553,16 @@ extern void blk_register_region(dev_t devt, unsigned long range, void *data); extern void blk_unregister_region(dev_t devt, unsigned long range); -static inline struct block_device *bdget_disk(struct gendisk *disk, int index) +static inline struct block_device *bdget_disk(struct gendisk *disk, int partno) { - return bdget(MKDEV(disk->major, disk->first_minor) + index); + return bdget(MKDEV(disk->major, disk->first_minor) + partno); } #else /* CONFIG_BLOCK */ static inline void printk_all_partitions(void) { } -static inline dev_t blk_lookup_devt(const char *name, int part) +static inline dev_t blk_lookup_devt(const char *name, int partno) { dev_t devt = MKDEV(0, 0); return devt; -- GitLab From f331c0296f2a9fee0d396a70598b954062603015 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 09:01:48 +0200 Subject: [PATCH 3160/6244] block: don't depend on consecutive minor space * Implement disk_devt() and part_devt() and use them to directly access devt instead of computing it from ->major and ->first_minor. Note that all references to ->major and ->first_minor outside of block layer is used to determine devt of the disk (the part0) and as ->major and ->first_minor will continue to represent devt for the disk, converting these users aren't strictly necessary. However, convert them for consistency. * Implement disk_max_parts() to avoid directly deferencing genhd->minors. * Update bdget_disk() such that it doesn't assume consecutive minor space. * Move devt computation from register_disk() to add_disk() and make it the only one (all other usages use the initially determined value). These changes clean up the code and will help disk->part dereference fix and extended block device numbers. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 107 ++++++++++++++++++++-------- block/ioctl.c | 6 +- drivers/block/pktcdvd.c | 2 +- drivers/block/ps3disk.c | 2 +- drivers/char/random.c | 6 +- drivers/md/dm-ioctl.c | 4 +- drivers/md/dm-stripe.c | 4 +- drivers/md/dm.c | 7 +- drivers/memstick/core/mspro_block.c | 2 +- drivers/mmc/card/block.c | 2 +- drivers/s390/block/dasd_proc.c | 3 +- drivers/s390/block/dcssblk.c | 4 +- drivers/scsi/sr.c | 2 +- fs/block_dev.c | 2 +- fs/partitions/check.c | 19 ++--- include/linux/genhd.h | 27 +++++-- 16 files changed, 132 insertions(+), 67 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index dc9ad4c171e2..fa32d09fda24 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -186,13 +186,14 @@ void add_disk(struct gendisk *disk) int retval; disk->flags |= GENHD_FL_UP; - blk_register_region(MKDEV(disk->major, disk->first_minor), - disk->minors, NULL, exact_match, exact_lock, disk); + disk->dev.devt = MKDEV(disk->major, disk->first_minor); + blk_register_region(disk_devt(disk), disk->minors, NULL, + exact_match, exact_lock, disk); register_disk(disk); blk_register_queue(disk); bdi = &disk->queue->backing_dev_info; - bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor)); + bdi_register_dev(bdi, disk_devt(disk)); retval = sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi"); WARN_ON(retval); } @@ -205,8 +206,7 @@ void unlink_gendisk(struct gendisk *disk) sysfs_remove_link(&disk->dev.kobj, "bdi"); bdi_unregister(&disk->queue->backing_dev_info); blk_unregister_queue(disk); - blk_unregister_region(MKDEV(disk->major, disk->first_minor), - disk->minors); + blk_unregister_region(disk_devt(disk), disk->minors); } /** @@ -225,6 +225,38 @@ struct gendisk *get_gendisk(dev_t devt, int *partno) return kobj ? dev_to_disk(dev) : NULL; } +/** + * bdget_disk - do bdget() by gendisk and partition number + * @disk: gendisk of interest + * @partno: partition number + * + * Find partition @partno from @disk, do bdget() on it. + * + * CONTEXT: + * Don't care. + * + * RETURNS: + * Resulting block_device on success, NULL on failure. + */ +extern struct block_device *bdget_disk(struct gendisk *disk, int partno) +{ + dev_t devt = MKDEV(0, 0); + + if (partno == 0) + devt = disk_devt(disk); + else { + struct hd_struct *part = disk->part[partno - 1]; + + if (part && part->nr_sects) + devt = part_devt(part); + } + + if (likely(devt != MKDEV(0, 0))) + return bdget(devt); + return NULL; +} +EXPORT_SYMBOL(bdget_disk); + /* * print a full list of all partitions - intended for places where the root * filesystem can't be mounted and thus to give the victim some idea of what @@ -255,7 +287,7 @@ void __init printk_all_partitions(void) * option takes. */ printk("%02x%02x %10llu %s", - disk->major, disk->first_minor, + MAJOR(disk_devt(disk)), MINOR(disk_devt(disk)), (unsigned long long)get_capacity(disk) >> 1, disk_name(disk, 0, buf)); if (disk->driverfs_dev != NULL && @@ -266,15 +298,15 @@ void __init printk_all_partitions(void) printk(" (driver?)\n"); /* now show the partitions */ - for (n = 0; n < disk->minors - 1; ++n) { - if (disk->part[n] == NULL) - continue; - if (disk->part[n]->nr_sects == 0) + for (n = 0; n < disk_max_parts(disk); ++n) { + struct hd_struct *part = disk->part[n]; + + if (!part || !part->nr_sects) continue; printk(" %02x%02x %10llu %s\n", - disk->major, n + 1 + disk->first_minor, - (unsigned long long)disk->part[n]->nr_sects >> 1, - disk_name(disk, n + 1, buf)); + MAJOR(part_devt(part)), MINOR(part_devt(part)), + (unsigned long long)part->nr_sects >> 1, + disk_name(disk, part->partno, buf)); } } class_dev_iter_exit(&iter); @@ -343,26 +375,27 @@ static int show_partition(struct seq_file *seqf, void *v) char buf[BDEVNAME_SIZE]; /* Don't show non-partitionable removeable devices or empty devices */ - if (!get_capacity(sgp) || - (sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE))) + if (!get_capacity(sgp) || (!disk_max_parts(sgp) && + (sgp->flags & GENHD_FL_REMOVABLE))) return 0; if (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO) return 0; /* show the full disk and all non-0 size partitions of it */ seq_printf(seqf, "%4d %4d %10llu %s\n", - sgp->major, sgp->first_minor, + MAJOR(disk_devt(sgp)), MINOR(disk_devt(sgp)), (unsigned long long)get_capacity(sgp) >> 1, disk_name(sgp, 0, buf)); - for (n = 0; n < sgp->minors - 1; n++) { - if (!sgp->part[n]) + for (n = 0; n < disk_max_parts(sgp); n++) { + struct hd_struct *part = sgp->part[n]; + if (!part) continue; - if (sgp->part[n]->nr_sects == 0) + if (part->nr_sects == 0) continue; seq_printf(seqf, "%4d %4d %10llu %s\n", - sgp->major, n + 1 + sgp->first_minor, - (unsigned long long)sgp->part[n]->nr_sects >> 1 , - disk_name(sgp, n + 1, buf)); + MAJOR(part_devt(part)), MINOR(part_devt(part)), + (unsigned long long)part->nr_sects >> 1, + disk_name(sgp, part->partno, buf)); } return 0; @@ -578,7 +611,8 @@ static int diskstats_show(struct seq_file *seqf, void *v) disk_round_stats(gp); preempt_enable(); seq_printf(seqf, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", - gp->major, gp->first_minor, disk_name(gp, 0, buf), + MAJOR(disk_devt(gp)), MINOR(disk_devt(gp)), + disk_name(gp, 0, buf), disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), (unsigned long long)disk_stat_read(gp, sectors[0]), jiffies_to_msecs(disk_stat_read(gp, ticks[0])), @@ -590,7 +624,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) jiffies_to_msecs(disk_stat_read(gp, time_in_queue))); /* now show all non-0 size partitions of it */ - for (n = 0; n < gp->minors - 1; n++) { + for (n = 0; n < disk_max_parts(gp); n++) { struct hd_struct *hd = gp->part[n]; if (!hd || !hd->nr_sects) @@ -601,8 +635,8 @@ static int diskstats_show(struct seq_file *seqf, void *v) preempt_enable(); seq_printf(seqf, "%4d %4d %s %lu %lu %llu " "%u %lu %lu %llu %u %u %u %u\n", - gp->major, n + gp->first_minor + 1, - disk_name(gp, n + 1, buf), + MAJOR(part_devt(hd)), MINOR(part_devt(hd)), + disk_name(gp, hd->partno, buf), part_stat_read(hd, ios[0]), part_stat_read(hd, merges[0]), (unsigned long long)part_stat_read(hd, sectors[0]), @@ -661,11 +695,22 @@ dev_t blk_lookup_devt(const char *name, int partno) while ((dev = class_dev_iter_next(&iter))) { struct gendisk *disk = dev_to_disk(dev); - if (!strcmp(dev->bus_id, name) && partno < disk->minors) { - devt = MKDEV(MAJOR(dev->devt), - MINOR(dev->devt) + partno); - break; + if (strcmp(dev->bus_id, name)) + continue; + if (partno < 0 || partno > disk_max_parts(disk)) + continue; + + if (partno == 0) + devt = disk_devt(disk); + else { + struct hd_struct *part = disk->part[partno - 1]; + + if (!part || !part->nr_sects) + continue; + + devt = part_devt(part); } + break; } class_dev_iter_exit(&iter); return devt; @@ -755,7 +800,7 @@ void set_disk_ro(struct gendisk *disk, int flag) { int i; disk->policy = flag; - for (i = 0; i < disk->minors - 1; i++) + for (i = 0; i < disk_max_parts(disk); i++) if (disk->part[i]) disk->part[i]->policy = flag; } diff --git a/block/ioctl.c b/block/ioctl.c index d77f5e280a6e..403f7d7e0c28 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -29,7 +29,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user if (bdev != bdev->bd_contains) return -EINVAL; partno = p.pno; - if (partno <= 0 || partno >= disk->minors) + if (partno <= 0 || partno > disk_max_parts(disk)) return -EINVAL; switch (a.op) { case BLKPG_ADD_PARTITION: @@ -47,7 +47,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user mutex_lock(&bdev->bd_mutex); /* overlap? */ - for (i = 0; i < disk->minors - 1; i++) { + for (i = 0; i < disk_max_parts(disk); i++) { struct hd_struct *s = disk->part[i]; if (!s) @@ -96,7 +96,7 @@ static int blkdev_reread_part(struct block_device *bdev) struct gendisk *disk = bdev->bd_disk; int res; - if (disk->minors == 1 || bdev != bdev->bd_contains) + if (!disk_max_parts(disk) || bdev != bdev->bd_contains) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 29b7a648cc6e..e1a90bbb4747 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2911,7 +2911,7 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev) if (!disk->queue) goto out_mem2; - pd->pkt_dev = MKDEV(disk->major, disk->first_minor); + pd->pkt_dev = MKDEV(pktdev_major, idx); ret = pkt_new_dev(pd, dev); if (ret) goto out_new_dev; diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index 4b0d6c7f4c66..936466f62afd 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -541,7 +541,7 @@ static int ps3disk_remove(struct ps3_system_bus_device *_dev) struct ps3disk_private *priv = dev->sbd.core.driver_data; mutex_lock(&ps3disk_mask_mutex); - __clear_bit(priv->gendisk->first_minor / PS3DISK_MINORS, + __clear_bit(MINOR(disk_devt(priv->gendisk)) / PS3DISK_MINORS, &ps3disk_mask); mutex_unlock(&ps3disk_mask_mutex); del_gendisk(priv->gendisk); diff --git a/drivers/char/random.c b/drivers/char/random.c index 7ce1ac4baa6d..6af435b89867 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -661,10 +661,10 @@ void add_disk_randomness(struct gendisk *disk) if (!disk || !disk->random) return; /* first major is 1, so we get >= 0x200 here */ - DEBUG_ENT("disk event %d:%d\n", disk->major, disk->first_minor); + DEBUG_ENT("disk event %d:%d\n", + MAJOR(disk_devt(disk)), MINOR(disk_devt(disk))); - add_timer_randomness(disk->random, - 0x100 + MKDEV(disk->major, disk->first_minor)); + add_timer_randomness(disk->random, 0x100 + disk_devt(disk)); } #endif diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index b262c0042de3..c3de311117a1 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -426,7 +426,7 @@ static int list_devices(struct dm_ioctl *param, size_t param_size) old_nl->next = (uint32_t) ((void *) nl - (void *) old_nl); disk = dm_disk(hc->md); - nl->dev = huge_encode_dev(MKDEV(disk->major, disk->first_minor)); + nl->dev = huge_encode_dev(disk_devt(disk)); nl->next = 0; strcpy(nl->name, hc->name); @@ -539,7 +539,7 @@ static int __dev_status(struct mapped_device *md, struct dm_ioctl *param) if (dm_suspended(md)) param->flags |= DM_SUSPEND_FLAG; - param->dev = huge_encode_dev(MKDEV(disk->major, disk->first_minor)); + param->dev = huge_encode_dev(disk_devt(disk)); /* * Yes, this will be out of date by the time it gets back diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 4de90ab3968b..b745d8ac625b 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -284,8 +284,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, memset(major_minor, 0, sizeof(major_minor)); sprintf(major_minor, "%d:%d", - bio->bi_bdev->bd_disk->major, - bio->bi_bdev->bd_disk->first_minor); + MAJOR(disk_devt(bio->bi_bdev->bd_disk)), + MINOR(disk_devt(bio->bi_bdev->bd_disk))); /* * Test to see which stripe drive triggered the event diff --git a/drivers/md/dm.c b/drivers/md/dm.c index ace998ce59f6..a78caad29996 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1146,7 +1146,7 @@ static void unlock_fs(struct mapped_device *md); static void free_dev(struct mapped_device *md) { - int minor = md->disk->first_minor; + int minor = MINOR(disk_devt(md->disk)); if (md->suspended_bdev) { unlock_fs(md); @@ -1267,7 +1267,7 @@ static struct mapped_device *dm_find_md(dev_t dev) md = idr_find(&_minor_idr, minor); if (md && (md == MINOR_ALLOCED || - (dm_disk(md)->first_minor != minor) || + (MINOR(disk_devt(dm_disk(md))) != minor) || test_bit(DMF_FREEING, &md->flags))) { md = NULL; goto out; @@ -1318,7 +1318,8 @@ void dm_put(struct mapped_device *md) if (atomic_dec_and_lock(&md->holders, &_minor_lock)) { map = dm_get_table(md); - idr_replace(&_minor_idr, MINOR_ALLOCED, dm_disk(md)->first_minor); + idr_replace(&_minor_idr, MINOR_ALLOCED, + MINOR(disk_devt(dm_disk(md)))); set_bit(DMF_FREEING, &md->flags); spin_unlock(&_minor_lock); if (!dm_suspended(md)) { diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index d2d2318dafa4..82bf649ef138 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -197,7 +197,7 @@ static int mspro_block_bd_open(struct inode *inode, struct file *filp) static int mspro_block_disk_release(struct gendisk *disk) { struct mspro_block_data *msb = disk->private_data; - int disk_id = disk->first_minor >> MSPRO_BLOCK_PART_SHIFT; + int disk_id = MINOR(disk_devt(disk)) >> MSPRO_BLOCK_PART_SHIFT; mutex_lock(&mspro_block_disk_lock); diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index ebc8b9d77613..97156b689e82 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -83,7 +83,7 @@ static void mmc_blk_put(struct mmc_blk_data *md) mutex_lock(&open_lock); md->usage--; if (md->usage == 0) { - int devidx = md->disk->first_minor >> MMC_SHIFT; + int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT; __clear_bit(devidx, dev_use); put_disk(md->disk); diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 03c0e40a92ff..e3b5c4d3036e 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -76,7 +76,8 @@ dasd_devices_show(struct seq_file *m, void *v) /* Print kdev. */ if (block->gdp) seq_printf(m, " at (%3d:%6d)", - block->gdp->major, block->gdp->first_minor); + MAJOR(disk_devt(block->gdp)), + MINOR(disk_devt(block->gdp))); else seq_printf(m, " at (???:??????)"); /* Print device name. */ diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 711b3004b3e6..9481e4a3f76e 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -114,7 +114,7 @@ dcssblk_assign_free_minor(struct dcssblk_dev_info *dev_info) found = 0; // test if minor available list_for_each_entry(entry, &dcssblk_devices, lh) - if (minor == entry->gd->first_minor) + if (minor == MINOR(disk_devt(entry->gd))) found++; if (!found) break; // got unused minor } @@ -397,7 +397,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char goto unload_seg; } sprintf(dev_info->gd->disk_name, "dcssblk%d", - dev_info->gd->first_minor); + MINOR(disk_devt(dev_info->gd))); list_add_tail(&dev_info->lh, &dcssblk_devices); if (!try_module_get(THIS_MODULE)) { diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 27f5bfd1def3..8dbe3798d5fd 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -878,7 +878,7 @@ static void sr_kref_release(struct kref *kref) struct gendisk *disk = cd->disk; spin_lock(&sr_index_lock); - clear_bit(disk->first_minor, sr_index_bits); + clear_bit(MINOR(disk_devt(disk)), sr_index_bits); spin_unlock(&sr_index_lock); unregister_cdrom(&cd->cdi); diff --git a/fs/block_dev.c b/fs/block_dev.c index de0776cd7215..72e0a2887cb7 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -892,7 +892,7 @@ int check_disk_change(struct block_device *bdev) if (bdops->revalidate_disk) bdops->revalidate_disk(bdev->bd_disk); - if (bdev->bd_disk->minors > 1) + if (disk_max_parts(bdev->bd_disk)) bdev->bd_invalidated = 1; return 1; } diff --git a/fs/partitions/check.c b/fs/partitions/check.c index b86aab1b0df6..e77fa144a07d 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -134,7 +134,11 @@ char *disk_name(struct gendisk *hd, int partno, char *buf) const char *bdevname(struct block_device *bdev, char *buf) { - int partno = MINOR(bdev->bd_dev) - bdev->bd_disk->first_minor; + int partno = 0; + + if (bdev->bd_part) + partno = bdev->bd_part->partno; + return disk_name(bdev->bd_disk, partno, buf); } @@ -169,7 +173,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev) if (isdigit(state->name[strlen(state->name)-1])) sprintf(state->name, "p"); - state->limit = hd->minors; + state->limit = disk_max_parts(hd) + 1; i = res = err = 0; while (!res && check_part[i]) { memset(&state->parts, 0, sizeof(state->parts)); @@ -416,7 +420,6 @@ void register_disk(struct gendisk *disk) int err; disk->dev.parent = disk->driverfs_dev; - disk->dev.devt = MKDEV(disk->major, disk->first_minor); strlcpy(disk->dev.bus_id, disk->disk_name, BUS_ID_SIZE); /* ewww... some of these buggers have / in the name... */ @@ -440,7 +443,7 @@ void register_disk(struct gendisk *disk) disk_sysfs_add_subdirs(disk); /* No minors to use for partitions */ - if (disk->minors == 1) + if (!disk_max_parts(disk)) goto exit; /* No such device (e.g., media were just removed) */ @@ -463,8 +466,8 @@ exit: kobject_uevent(&disk->dev.kobj, KOBJ_ADD); /* announce possible partitions */ - for (i = 1; i < disk->minors; i++) { - p = disk->part[i-1]; + for (i = 0; i < disk_max_parts(disk); i++) { + p = disk->part[i]; if (!p || !p->nr_sects) continue; kobject_uevent(&p->dev.kobj, KOBJ_ADD); @@ -482,7 +485,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) if (res) return res; bdev->bd_invalidated = 0; - for (p = 1; p < disk->minors; p++) + for (p = 1; p <= disk_max_parts(disk); p++) delete_partition(disk, p); if (disk->fops->revalidate_disk) disk->fops->revalidate_disk(disk); @@ -545,7 +548,7 @@ void del_gendisk(struct gendisk *disk) int p; /* invalidate stuff */ - for (p = disk->minors - 1; p > 0; p--) { + for (p = disk_max_parts(disk); p > 0; p--) { invalidate_partition(disk, p); delete_partition(disk, p); } diff --git a/include/linux/genhd.h b/include/linux/genhd.h index d1723c0a8600..0ff75329199c 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -111,10 +111,14 @@ struct hd_struct { #define GENHD_FL_FAIL 64 struct gendisk { + /* major, first_minor and minors are input parameters only, + * don't use directly. Use disk_devt() and disk_max_parts(). + */ int major; /* major number of driver */ int first_minor; int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ + char disk_name[32]; /* name of major driver */ struct hd_struct **part; /* [indexed by minor - 1] */ struct block_device_operations *fops; @@ -152,6 +156,21 @@ static inline struct gendisk *part_to_disk(struct hd_struct *part) return NULL; } +static inline int disk_max_parts(struct gendisk *disk) +{ + return disk->minors - 1; +} + +static inline dev_t disk_devt(struct gendisk *disk) +{ + return disk->dev.devt; +} + +static inline dev_t part_devt(struct hd_struct *part) +{ + return part->dev.devt; +} + /* * Macros to operate on percpu disk statistics: * @@ -163,7 +182,7 @@ static inline struct hd_struct *disk_map_sector(struct gendisk *gendiskp, { struct hd_struct *part; int i; - for (i = 0; i < gendiskp->minors - 1; i++) { + for (i = 0; i < disk_max_parts(gendiskp); i++) { part = gendiskp->part[i]; if (part && part->start_sect <= sector && sector < part->start_sect + part->nr_sects) @@ -366,6 +385,7 @@ extern void add_disk(struct gendisk *disk); extern void del_gendisk(struct gendisk *gp); extern void unlink_gendisk(struct gendisk *gp); extern struct gendisk *get_gendisk(dev_t dev, int *partno); +extern struct block_device *bdget_disk(struct gendisk *disk, int partno); extern void set_device_ro(struct block_device *bdev, int flag); extern void set_disk_ro(struct gendisk *disk, int flag); @@ -553,11 +573,6 @@ extern void blk_register_region(dev_t devt, unsigned long range, void *data); extern void blk_unregister_region(dev_t devt, unsigned long range); -static inline struct block_device *bdget_disk(struct gendisk *disk, int partno) -{ - return bdget(MKDEV(disk->major, disk->first_minor) + partno); -} - #else /* CONFIG_BLOCK */ static inline void printk_all_partitions(void) { } -- GitLab From e71bf0d0ee89e51b92776391c5634938236977d5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 09:03:02 +0200 Subject: [PATCH 3161/6244] block: fix disk->part[] dereferencing race disk->part[] is protected by its matching bdev's lock. However, non-critical accesses like collecting stats and printing out sysfs and proc information used to be performed without any locking. As partitions can come and go dynamically, partitions can go away underneath those non-critical accesses. As some of those accesses are writes, this theoretically can lead to silent corruption. This patch fixes the race by using RCU for the partition array and dev reference counter to hold partitions. * Rename disk->part[] to disk->__part[] to make sure no one outside genhd layer proper accesses it directly. * Use RCU for disk->__part[] dereferencing. * Implement disk_{get|put}_part() which can be used to get and put partitions from gendisk respectively. * Iterators are implemented to help iterate through all partitions safely. * Functions which require RCU readlock are marked with _rcu suffix. * Use disk_put_part() in __blkdev_put() instead of directly putting the contained kobject. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-core.c | 20 +++- block/blk-merge.c | 9 +- block/genhd.c | 218 +++++++++++++++++++++++++++++++------ block/ioctl.c | 26 +++-- drivers/block/aoe/aoecmd.c | 6 +- fs/block_dev.c | 15 +-- fs/partitions/check.c | 70 +++++++----- include/linux/genhd.h | 53 ++++++--- 8 files changed, 323 insertions(+), 94 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index a0dc2e72fcbb..d6128d9ad601 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -60,7 +60,9 @@ static void drive_stat_acct(struct request *rq, int new_io) if (!blk_fs_request(rq) || !rq->rq_disk) return; - part = disk_map_sector(rq->rq_disk, rq->sector); + rcu_read_lock(); + + part = disk_map_sector_rcu(rq->rq_disk, rq->sector); if (!new_io) __all_stat_inc(rq->rq_disk, part, merges[rw], rq->sector); else { @@ -71,6 +73,8 @@ static void drive_stat_acct(struct request *rq, int new_io) part->in_flight++; } } + + rcu_read_unlock(); } void blk_queue_congestion_threshold(struct request_queue *q) @@ -1557,12 +1561,14 @@ static int __end_that_request_first(struct request *req, int error, } if (blk_fs_request(req) && req->rq_disk) { - struct hd_struct *part = - disk_map_sector(req->rq_disk, req->sector); const int rw = rq_data_dir(req); + struct hd_struct *part; + rcu_read_lock(); + part = disk_map_sector_rcu(req->rq_disk, req->sector); all_stat_add(req->rq_disk, part, sectors[rw], nr_bytes >> 9, req->sector); + rcu_read_unlock(); } total_bytes = bio_nbytes = 0; @@ -1746,7 +1752,11 @@ static void end_that_request_last(struct request *req, int error) if (disk && blk_fs_request(req) && req != &req->q->bar_rq) { unsigned long duration = jiffies - req->start_time; const int rw = rq_data_dir(req); - struct hd_struct *part = disk_map_sector(disk, req->sector); + struct hd_struct *part; + + rcu_read_lock(); + + part = disk_map_sector_rcu(disk, req->sector); __all_stat_inc(disk, part, ios[rw], req->sector); __all_stat_add(disk, part, ticks[rw], duration, req->sector); @@ -1756,6 +1766,8 @@ static void end_that_request_last(struct request *req, int error) part_round_stats(part); part->in_flight--; } + + rcu_read_unlock(); } if (req->end_io) diff --git a/block/blk-merge.c b/block/blk-merge.c index 9b17da698d7c..eb2a3ca58303 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -387,14 +387,19 @@ static int attempt_merge(struct request_queue *q, struct request *req, elv_merge_requests(q, req, next); if (req->rq_disk) { - struct hd_struct *part = - disk_map_sector(req->rq_disk, req->sector); + struct hd_struct *part; + + rcu_read_lock(); + + part = disk_map_sector_rcu(req->rq_disk, req->sector); disk_round_stats(req->rq_disk); req->rq_disk->in_flight--; if (part) { part_round_stats(part); part->in_flight--; } + + rcu_read_unlock(); } req->ioprio = ioprio_best(req->ioprio, next->ioprio); diff --git a/block/genhd.c b/block/genhd.c index fa32d09fda24..b431d6543942 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -26,6 +26,158 @@ struct kobject *block_depr; static struct device_type disk_type; +/** + * disk_get_part - get partition + * @disk: disk to look partition from + * @partno: partition number + * + * Look for partition @partno from @disk. If found, increment + * reference count and return it. + * + * CONTEXT: + * Don't care. + * + * RETURNS: + * Pointer to the found partition on success, NULL if not found. + */ +struct hd_struct *disk_get_part(struct gendisk *disk, int partno) +{ + struct hd_struct *part; + + if (unlikely(partno < 1 || partno > disk_max_parts(disk))) + return NULL; + rcu_read_lock(); + part = rcu_dereference(disk->__part[partno - 1]); + if (part) + get_device(&part->dev); + rcu_read_unlock(); + + return part; +} +EXPORT_SYMBOL_GPL(disk_get_part); + +/** + * disk_part_iter_init - initialize partition iterator + * @piter: iterator to initialize + * @disk: disk to iterate over + * @flags: DISK_PITER_* flags + * + * Initialize @piter so that it iterates over partitions of @disk. + * + * CONTEXT: + * Don't care. + */ +void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk, + unsigned int flags) +{ + piter->disk = disk; + piter->part = NULL; + + if (flags & DISK_PITER_REVERSE) + piter->idx = disk_max_parts(piter->disk) - 1; + else + piter->idx = 0; + + piter->flags = flags; +} +EXPORT_SYMBOL_GPL(disk_part_iter_init); + +/** + * disk_part_iter_next - proceed iterator to the next partition and return it + * @piter: iterator of interest + * + * Proceed @piter to the next partition and return it. + * + * CONTEXT: + * Don't care. + */ +struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) +{ + int inc, end; + + /* put the last partition */ + disk_put_part(piter->part); + piter->part = NULL; + + rcu_read_lock(); + + /* determine iteration parameters */ + if (piter->flags & DISK_PITER_REVERSE) { + inc = -1; + end = -1; + } else { + inc = 1; + end = disk_max_parts(piter->disk); + } + + /* iterate to the next partition */ + for (; piter->idx != end; piter->idx += inc) { + struct hd_struct *part; + + part = rcu_dereference(piter->disk->__part[piter->idx]); + if (!part) + continue; + if (!(piter->flags & DISK_PITER_INCL_EMPTY) && !part->nr_sects) + continue; + + get_device(&part->dev); + piter->part = part; + piter->idx += inc; + break; + } + + rcu_read_unlock(); + + return piter->part; +} +EXPORT_SYMBOL_GPL(disk_part_iter_next); + +/** + * disk_part_iter_exit - finish up partition iteration + * @piter: iter of interest + * + * Called when iteration is over. Cleans up @piter. + * + * CONTEXT: + * Don't care. + */ +void disk_part_iter_exit(struct disk_part_iter *piter) +{ + disk_put_part(piter->part); + piter->part = NULL; +} +EXPORT_SYMBOL_GPL(disk_part_iter_exit); + +/** + * disk_map_sector_rcu - map sector to partition + * @disk: gendisk of interest + * @sector: sector to map + * + * Find out which partition @sector maps to on @disk. This is + * primarily used for stats accounting. + * + * CONTEXT: + * RCU read locked. The returned partition pointer is valid only + * while preemption is disabled. + * + * RETURNS: + * Found partition on success, NULL if there's no matching partition. + */ +struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector) +{ + int i; + + for (i = 0; i < disk_max_parts(disk); i++) { + struct hd_struct *part = rcu_dereference(disk->__part[i]); + + if (part && part->start_sect <= sector && + sector < part->start_sect + part->nr_sects) + return part; + } + return NULL; +} +EXPORT_SYMBOL_GPL(disk_map_sector_rcu); + /* * Can be deleted altogether. Later. * @@ -245,10 +397,12 @@ extern struct block_device *bdget_disk(struct gendisk *disk, int partno) if (partno == 0) devt = disk_devt(disk); else { - struct hd_struct *part = disk->part[partno - 1]; + struct hd_struct *part; + part = disk_get_part(disk, partno); if (part && part->nr_sects) devt = part_devt(part); + disk_put_part(part); } if (likely(devt != MKDEV(0, 0))) @@ -270,8 +424,9 @@ void __init printk_all_partitions(void) class_dev_iter_init(&iter, &block_class, NULL, &disk_type); while ((dev = class_dev_iter_next(&iter))) { struct gendisk *disk = dev_to_disk(dev); + struct disk_part_iter piter; + struct hd_struct *part; char buf[BDEVNAME_SIZE]; - int n; /* * Don't show empty devices or things that have been @@ -298,16 +453,13 @@ void __init printk_all_partitions(void) printk(" (driver?)\n"); /* now show the partitions */ - for (n = 0; n < disk_max_parts(disk); ++n) { - struct hd_struct *part = disk->part[n]; - - if (!part || !part->nr_sects) - continue; + disk_part_iter_init(&piter, disk, 0); + while ((part = disk_part_iter_next(&piter))) printk(" %02x%02x %10llu %s\n", MAJOR(part_devt(part)), MINOR(part_devt(part)), (unsigned long long)part->nr_sects >> 1, disk_name(disk, part->partno, buf)); - } + disk_part_iter_exit(&piter); } class_dev_iter_exit(&iter); } @@ -371,7 +523,8 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos) static int show_partition(struct seq_file *seqf, void *v) { struct gendisk *sgp = v; - int n; + struct disk_part_iter piter; + struct hd_struct *part; char buf[BDEVNAME_SIZE]; /* Don't show non-partitionable removeable devices or empty devices */ @@ -386,17 +539,14 @@ static int show_partition(struct seq_file *seqf, void *v) MAJOR(disk_devt(sgp)), MINOR(disk_devt(sgp)), (unsigned long long)get_capacity(sgp) >> 1, disk_name(sgp, 0, buf)); - for (n = 0; n < disk_max_parts(sgp); n++) { - struct hd_struct *part = sgp->part[n]; - if (!part) - continue; - if (part->nr_sects == 0) - continue; + + disk_part_iter_init(&piter, sgp, 0); + while ((part = disk_part_iter_next(&piter))) seq_printf(seqf, "%4d %4d %10llu %s\n", MAJOR(part_devt(part)), MINOR(part_devt(part)), (unsigned long long)part->nr_sects >> 1, disk_name(sgp, part->partno, buf)); - } + disk_part_iter_exit(&piter); return 0; } @@ -571,7 +721,7 @@ static void disk_release(struct device *dev) struct gendisk *disk = dev_to_disk(dev); kfree(disk->random); - kfree(disk->part); + kfree(disk->__part); free_disk_stats(disk); kfree(disk); } @@ -596,8 +746,9 @@ static struct device_type disk_type = { static int diskstats_show(struct seq_file *seqf, void *v) { struct gendisk *gp = v; + struct disk_part_iter piter; + struct hd_struct *hd; char buf[BDEVNAME_SIZE]; - int n; /* if (&gp->dev.kobj.entry == block_class.devices.next) @@ -624,12 +775,8 @@ static int diskstats_show(struct seq_file *seqf, void *v) jiffies_to_msecs(disk_stat_read(gp, time_in_queue))); /* now show all non-0 size partitions of it */ - for (n = 0; n < disk_max_parts(gp); n++) { - struct hd_struct *hd = gp->part[n]; - - if (!hd || !hd->nr_sects) - continue; - + disk_part_iter_init(&piter, gp, 0); + while ((hd = disk_part_iter_next(&piter))) { preempt_disable(); part_round_stats(hd); preempt_enable(); @@ -650,6 +797,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) jiffies_to_msecs(part_stat_read(hd, time_in_queue)) ); } + disk_part_iter_exit(&piter); return 0; } @@ -703,12 +851,16 @@ dev_t blk_lookup_devt(const char *name, int partno) if (partno == 0) devt = disk_devt(disk); else { - struct hd_struct *part = disk->part[partno - 1]; + struct hd_struct *part; - if (!part || !part->nr_sects) + part = disk_get_part(disk, partno); + if (!part || !part->nr_sects) { + disk_put_part(part); continue; + } devt = part_devt(part); + disk_put_part(part); } break; } @@ -735,9 +887,9 @@ struct gendisk *alloc_disk_node(int minors, int node_id) } if (minors > 1) { int size = (minors - 1) * sizeof(struct hd_struct *); - disk->part = kmalloc_node(size, + disk->__part = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, node_id); - if (!disk->part) { + if (!disk->__part) { free_disk_stats(disk); kfree(disk); return NULL; @@ -798,10 +950,14 @@ EXPORT_SYMBOL(set_device_ro); void set_disk_ro(struct gendisk *disk, int flag) { - int i; + struct disk_part_iter piter; + struct hd_struct *part; + disk->policy = flag; - for (i = 0; i < disk_max_parts(disk); i++) - if (disk->part[i]) disk->part[i]->policy = flag; + disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); + while ((part = disk_part_iter_next(&piter))) + part->policy = flag; + disk_part_iter_exit(&piter); } EXPORT_SYMBOL(set_disk_ro); diff --git a/block/ioctl.c b/block/ioctl.c index 403f7d7e0c28..a5f672ad55f6 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -12,11 +12,12 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user { struct block_device *bdevp; struct gendisk *disk; + struct hd_struct *part; struct blkpg_ioctl_arg a; struct blkpg_partition p; + struct disk_part_iter piter; long long start, length; int partno; - int i; int err; if (!capable(CAP_SYS_ADMIN)) @@ -47,28 +48,33 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user mutex_lock(&bdev->bd_mutex); /* overlap? */ - for (i = 0; i < disk_max_parts(disk); i++) { - struct hd_struct *s = disk->part[i]; - - if (!s) - continue; - if (!(start+length <= s->start_sect || - start >= s->start_sect + s->nr_sects)) { + disk_part_iter_init(&piter, disk, + DISK_PITER_INCL_EMPTY); + while ((part = disk_part_iter_next(&piter))) { + if (!(start + length <= part->start_sect || + start >= part->start_sect + part->nr_sects)) { + disk_part_iter_exit(&piter); mutex_unlock(&bdev->bd_mutex); return -EBUSY; } } + disk_part_iter_exit(&piter); + /* all seems OK */ err = add_partition(disk, partno, start, length, ADDPART_FLAG_NONE); mutex_unlock(&bdev->bd_mutex); return err; case BLKPG_DEL_PARTITION: - if (!disk->part[partno - 1]) + part = disk_get_part(disk, partno); + if (!part) return -ENXIO; - bdevp = bdget_disk(disk, partno); + + bdevp = bdget(part_devt(part)); + disk_put_part(part); if (!bdevp) return -ENOMEM; + mutex_lock(&bdevp->bd_mutex); if (bdevp->bd_openers) { mutex_unlock(&bdevp->bd_mutex); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 885d1409521f..84c03d65dcc5 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -757,11 +757,15 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector const int rw = bio_data_dir(bio); struct hd_struct *part; - part = disk_map_sector(disk, sector); + rcu_read_lock(); + + part = disk_map_sector_rcu(disk, sector); all_stat_inc(disk, part, ios[rw], sector); all_stat_add(disk, part, ticks[rw], duration, sector); all_stat_add(disk, part, sectors[rw], n_sect, sector); all_stat_add(disk, part, io_ticks, duration, sector); + + rcu_read_unlock(); } void diff --git a/fs/block_dev.c b/fs/block_dev.c index 72e0a2887cb7..2f2873b9a041 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -929,6 +929,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) { struct module *owner = NULL; struct gendisk *disk; + struct hd_struct *part = NULL; int ret; int partno; int perm = 0; @@ -978,7 +979,6 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) if (bdev->bd_invalidated) rescan_partitions(disk, bdev); } else { - struct hd_struct *p; struct block_device *whole; whole = bdget_disk(disk, 0); ret = -ENOMEM; @@ -989,16 +989,16 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) if (ret) goto out_first; bdev->bd_contains = whole; - p = disk->part[partno - 1]; + part = disk_get_part(disk, partno); bdev->bd_inode->i_data.backing_dev_info = whole->bd_inode->i_data.backing_dev_info; - if (!(disk->flags & GENHD_FL_UP) || !p || !p->nr_sects) { + if (!(disk->flags & GENHD_FL_UP) || + !part || !part->nr_sects) { ret = -ENXIO; goto out_first; } - kobject_get(&p->dev.kobj); - bdev->bd_part = p; - bd_set_size(bdev, (loff_t) p->nr_sects << 9); + bdev->bd_part = part; + bd_set_size(bdev, (loff_t)part->nr_sects << 9); } } else { put_disk(disk); @@ -1027,6 +1027,7 @@ out_first: __blkdev_put(bdev->bd_contains, 1); bdev->bd_contains = NULL; put_disk(disk); + disk_put_part(part); module_put(owner); out: mutex_unlock(&bdev->bd_mutex); @@ -1119,7 +1120,7 @@ static int __blkdev_put(struct block_device *bdev, int for_part) module_put(owner); if (bdev->bd_contains != bdev) { - kobject_put(&bdev->bd_part->dev.kobj); + disk_put_part(bdev->bd_part); bdev->bd_part = NULL; } bdev->bd_disk = NULL; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index e77fa144a07d..96c8bf41e455 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -314,19 +314,29 @@ static inline void disk_sysfs_add_subdirs(struct gendisk *disk) kobject_put(k); } +static void delete_partition_rcu_cb(struct rcu_head *head) +{ + struct hd_struct *part = container_of(head, struct hd_struct, rcu_head); + + part->start_sect = 0; + part->nr_sects = 0; + part_stat_set_all(part, 0); + put_device(&part->dev); +} + void delete_partition(struct gendisk *disk, int partno) { - struct hd_struct *p = disk->part[partno - 1]; + struct hd_struct *part; - if (!p) + part = disk->__part[partno-1]; + if (!part) return; - disk->part[partno - 1] = NULL; - p->start_sect = 0; - p->nr_sects = 0; - part_stat_set_all(p, 0); - kobject_put(p->holder_dir); - device_del(&p->dev); - put_device(&p->dev); + + rcu_assign_pointer(disk->__part[partno-1], NULL); + kobject_put(part->holder_dir); + device_del(&part->dev); + + call_rcu(&part->rcu_head, delete_partition_rcu_cb); } static ssize_t whole_disk_show(struct device *dev, @@ -343,7 +353,7 @@ int add_partition(struct gendisk *disk, int partno, struct hd_struct *p; int err; - if (disk->part[partno - 1]) + if (disk->__part[partno - 1]) return -EBUSY; p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -391,7 +401,8 @@ int add_partition(struct gendisk *disk, int partno, } /* everything is up and running, commence */ - disk->part[partno - 1] = p; + INIT_RCU_HEAD(&p->rcu_head); + rcu_assign_pointer(disk->__part[partno - 1], p); /* suppress uevent if the disk supresses it */ if (!disk->dev.uevent_suppress) @@ -414,9 +425,9 @@ out_put: void register_disk(struct gendisk *disk) { struct block_device *bdev; + struct disk_part_iter piter; + struct hd_struct *part; char *s; - int i; - struct hd_struct *p; int err; disk->dev.parent = disk->driverfs_dev; @@ -466,16 +477,16 @@ exit: kobject_uevent(&disk->dev.kobj, KOBJ_ADD); /* announce possible partitions */ - for (i = 0; i < disk_max_parts(disk); i++) { - p = disk->part[i]; - if (!p || !p->nr_sects) - continue; - kobject_uevent(&p->dev.kobj, KOBJ_ADD); - } + disk_part_iter_init(&piter, disk, 0); + while ((part = disk_part_iter_next(&piter))) + kobject_uevent(&part->dev.kobj, KOBJ_ADD); + disk_part_iter_exit(&piter); } int rescan_partitions(struct gendisk *disk, struct block_device *bdev) { + struct disk_part_iter piter; + struct hd_struct *part; struct parsed_partitions *state; int p, res; @@ -485,8 +496,12 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) if (res) return res; bdev->bd_invalidated = 0; - for (p = 1; p <= disk_max_parts(disk); p++) - delete_partition(disk, p); + + disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); + while ((part = disk_part_iter_next(&piter))) + delete_partition(disk, part->partno); + disk_part_iter_exit(&piter); + if (disk->fops->revalidate_disk) disk->fops->revalidate_disk(disk); if (!get_capacity(disk) || !(state = check_partition(disk, bdev))) @@ -545,13 +560,18 @@ EXPORT_SYMBOL(read_dev_sector); void del_gendisk(struct gendisk *disk) { - int p; + struct disk_part_iter piter; + struct hd_struct *part; /* invalidate stuff */ - for (p = disk_max_parts(disk); p > 0; p--) { - invalidate_partition(disk, p); - delete_partition(disk, p); + disk_part_iter_init(&piter, disk, + DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE); + while ((part = disk_part_iter_next(&piter))) { + invalidate_partition(disk, part->partno); + delete_partition(disk, part->partno); } + disk_part_iter_exit(&piter); + invalidate_partition(disk, 0); disk->capacity = 0; disk->flags &= ~GENHD_FL_UP; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 0ff75329199c..7fbba19e076b 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -11,6 +11,7 @@ #include #include +#include #ifdef CONFIG_BLOCK @@ -100,6 +101,7 @@ struct hd_struct { #else struct disk_stats dkstats; #endif + struct rcu_head rcu_head; }; #define GENHD_FL_REMOVABLE 1 @@ -120,7 +122,14 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[32]; /* name of major driver */ - struct hd_struct **part; /* [indexed by minor - 1] */ + + /* Array of pointers to partitions indexed by partno - 1. + * Protected with matching bdev lock but stat and other + * non-critical accesses use RCU. Always access through + * helpers. + */ + struct hd_struct **__part; + struct block_device_operations *fops; struct request_queue *queue; void *private_data; @@ -171,25 +180,41 @@ static inline dev_t part_devt(struct hd_struct *part) return part->dev.devt; } +extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno); + +static inline void disk_put_part(struct hd_struct *part) +{ + if (likely(part)) + put_device(&part->dev); +} + +/* + * Smarter partition iterator without context limits. + */ +#define DISK_PITER_REVERSE (1 << 0) /* iterate in the reverse direction */ +#define DISK_PITER_INCL_EMPTY (1 << 1) /* include 0-sized parts */ + +struct disk_part_iter { + struct gendisk *disk; + struct hd_struct *part; + int idx; + unsigned int flags; +}; + +extern void disk_part_iter_init(struct disk_part_iter *piter, + struct gendisk *disk, unsigned int flags); +extern struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter); +extern void disk_part_iter_exit(struct disk_part_iter *piter); + +extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, + sector_t sector); + /* * Macros to operate on percpu disk statistics: * * The __ variants should only be called in critical sections. The full * variants disable/enable preemption. */ -static inline struct hd_struct *disk_map_sector(struct gendisk *gendiskp, - sector_t sector) -{ - struct hd_struct *part; - int i; - for (i = 0; i < disk_max_parts(gendiskp); i++) { - part = gendiskp->part[i]; - if (part && part->start_sect <= sector - && sector < part->start_sect + part->nr_sects) - return part; - } - return NULL; -} #ifdef CONFIG_SMP #define __disk_stat_add(gendiskp, field, addnd) \ -- GitLab From c9959059161ddd7bf4670cf47367033d6b2f79c4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:21 +0900 Subject: [PATCH 3162/6244] block: fix diskstats access There are two variants of stat functions - ones prefixed with double underbars which don't care about preemption and ones without which disable preemption before manipulating per-cpu counters. It's unclear whether the underbarred ones assume that preemtion is disabled on entry as some callers don't do that. This patch unifies diskstats access by implementing disk_stat_lock() and disk_stat_unlock() which take care of both RCU (for partition access) and preemption (for per-cpu counter access). diskstats access should always be enclosed between the two functions. As such, there's no need for the versions which disables preemption. They're removed and double underbars ones are renamed to drop the underbars. As an extra argument is added, there's no danger of using the old version unconverted. disk_stat_lock() uses get_cpu() and returns the cpu index and all diskstat functions which access per-cpu counters now has @cpu argument to help RT. This change adds RCU or preemption operations at some places but also collapses several preemption ops into one at others. Overall, the performance difference should be negligible as all involved ops are very lightweight per-cpu ones. Signed-off-by: Tejun Heo Cc: Peter Zijlstra Signed-off-by: Jens Axboe --- block/blk-core.c | 52 +++++++------- block/blk-merge.c | 11 +-- block/genhd.c | 20 +++--- drivers/block/aoe/aoecmd.c | 15 ++-- drivers/md/dm.c | 26 ++++--- drivers/md/linear.c | 7 +- drivers/md/multipath.c | 7 +- drivers/md/raid0.c | 7 +- drivers/md/raid1.c | 8 ++- drivers/md/raid10.c | 7 +- drivers/md/raid5.c | 8 ++- fs/partitions/check.c | 7 +- include/linux/genhd.h | 139 +++++++++++++++---------------------- 13 files changed, 158 insertions(+), 156 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index d6128d9ad601..e0a5ee36849c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -56,25 +56,26 @@ static void drive_stat_acct(struct request *rq, int new_io) { struct hd_struct *part; int rw = rq_data_dir(rq); + int cpu; if (!blk_fs_request(rq) || !rq->rq_disk) return; - rcu_read_lock(); - + cpu = disk_stat_lock(); part = disk_map_sector_rcu(rq->rq_disk, rq->sector); + if (!new_io) - __all_stat_inc(rq->rq_disk, part, merges[rw], rq->sector); + all_stat_inc(cpu, rq->rq_disk, part, merges[rw], rq->sector); else { - disk_round_stats(rq->rq_disk); + disk_round_stats(cpu, rq->rq_disk); rq->rq_disk->in_flight++; if (part) { - part_round_stats(part); + part_round_stats(cpu, part); part->in_flight++; } } - rcu_read_unlock(); + disk_stat_unlock(); } void blk_queue_congestion_threshold(struct request_queue *q) @@ -997,7 +998,7 @@ static inline void add_request(struct request_queue *q, struct request *req) * /proc/diskstats. This accounts immediately for all queue usage up to * the current jiffies and restarts the counters again. */ -void disk_round_stats(struct gendisk *disk) +void disk_round_stats(int cpu, struct gendisk *disk) { unsigned long now = jiffies; @@ -1005,15 +1006,15 @@ void disk_round_stats(struct gendisk *disk) return; if (disk->in_flight) { - __disk_stat_add(disk, time_in_queue, - disk->in_flight * (now - disk->stamp)); - __disk_stat_add(disk, io_ticks, (now - disk->stamp)); + disk_stat_add(cpu, disk, time_in_queue, + disk->in_flight * (now - disk->stamp)); + disk_stat_add(cpu, disk, io_ticks, (now - disk->stamp)); } disk->stamp = now; } EXPORT_SYMBOL_GPL(disk_round_stats); -void part_round_stats(struct hd_struct *part) +void part_round_stats(int cpu, struct hd_struct *part) { unsigned long now = jiffies; @@ -1021,9 +1022,9 @@ void part_round_stats(struct hd_struct *part) return; if (part->in_flight) { - __part_stat_add(part, time_in_queue, - part->in_flight * (now - part->stamp)); - __part_stat_add(part, io_ticks, (now - part->stamp)); + part_stat_add(cpu, part, time_in_queue, + part->in_flight * (now - part->stamp)); + part_stat_add(cpu, part, io_ticks, (now - part->stamp)); } part->stamp = now; } @@ -1563,12 +1564,13 @@ static int __end_that_request_first(struct request *req, int error, if (blk_fs_request(req) && req->rq_disk) { const int rw = rq_data_dir(req); struct hd_struct *part; + int cpu; - rcu_read_lock(); + cpu = disk_stat_lock(); part = disk_map_sector_rcu(req->rq_disk, req->sector); - all_stat_add(req->rq_disk, part, sectors[rw], - nr_bytes >> 9, req->sector); - rcu_read_unlock(); + all_stat_add(cpu, req->rq_disk, part, sectors[rw], + nr_bytes >> 9, req->sector); + disk_stat_unlock(); } total_bytes = bio_nbytes = 0; @@ -1753,21 +1755,21 @@ static void end_that_request_last(struct request *req, int error) unsigned long duration = jiffies - req->start_time; const int rw = rq_data_dir(req); struct hd_struct *part; + int cpu; - rcu_read_lock(); - + cpu = disk_stat_lock(); part = disk_map_sector_rcu(disk, req->sector); - __all_stat_inc(disk, part, ios[rw], req->sector); - __all_stat_add(disk, part, ticks[rw], duration, req->sector); - disk_round_stats(disk); + all_stat_inc(cpu, disk, part, ios[rw], req->sector); + all_stat_add(cpu, disk, part, ticks[rw], duration, req->sector); + disk_round_stats(cpu, disk); disk->in_flight--; if (part) { - part_round_stats(part); + part_round_stats(cpu, part); part->in_flight--; } - rcu_read_unlock(); + disk_stat_unlock(); } if (req->end_io) diff --git a/block/blk-merge.c b/block/blk-merge.c index eb2a3ca58303..d926a24bf1fd 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -388,18 +388,19 @@ static int attempt_merge(struct request_queue *q, struct request *req, if (req->rq_disk) { struct hd_struct *part; + int cpu; - rcu_read_lock(); - + cpu = disk_stat_lock(); part = disk_map_sector_rcu(req->rq_disk, req->sector); - disk_round_stats(req->rq_disk); + + disk_round_stats(cpu, req->rq_disk); req->rq_disk->in_flight--; if (part) { - part_round_stats(part); + part_round_stats(cpu, part); part->in_flight--; } - rcu_read_unlock(); + disk_stat_unlock(); } req->ioprio = ioprio_best(req->ioprio, next->ioprio); diff --git a/block/genhd.c b/block/genhd.c index b431d6543942..430626e440f0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -633,10 +633,11 @@ static ssize_t disk_stat_show(struct device *dev, struct device_attribute *attr, char *buf) { struct gendisk *disk = dev_to_disk(dev); + int cpu; - preempt_disable(); - disk_round_stats(disk); - preempt_enable(); + cpu = disk_stat_lock(); + disk_round_stats(cpu, disk); + disk_stat_unlock(); return sprintf(buf, "%8lu %8lu %8llu %8u " "%8lu %8lu %8llu %8u " @@ -749,6 +750,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) struct disk_part_iter piter; struct hd_struct *hd; char buf[BDEVNAME_SIZE]; + int cpu; /* if (&gp->dev.kobj.entry == block_class.devices.next) @@ -758,9 +760,9 @@ static int diskstats_show(struct seq_file *seqf, void *v) "\n\n"); */ - preempt_disable(); - disk_round_stats(gp); - preempt_enable(); + cpu = disk_stat_lock(); + disk_round_stats(cpu, gp); + disk_stat_unlock(); seq_printf(seqf, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", MAJOR(disk_devt(gp)), MINOR(disk_devt(gp)), disk_name(gp, 0, buf), @@ -777,9 +779,9 @@ static int diskstats_show(struct seq_file *seqf, void *v) /* now show all non-0 size partitions of it */ disk_part_iter_init(&piter, gp, 0); while ((hd = disk_part_iter_next(&piter))) { - preempt_disable(); - part_round_stats(hd); - preempt_enable(); + cpu = disk_stat_lock(); + part_round_stats(cpu, hd); + disk_stat_unlock(); seq_printf(seqf, "%4d %4d %s %lu %lu %llu " "%u %lu %lu %llu %u %u %u %u\n", MAJOR(part_devt(hd)), MINOR(part_devt(hd)), diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 84c03d65dcc5..17eed8c025d0 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -756,16 +756,17 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector unsigned long n_sect = bio->bi_size >> 9; const int rw = bio_data_dir(bio); struct hd_struct *part; + int cpu; - rcu_read_lock(); - + cpu = disk_stat_lock(); part = disk_map_sector_rcu(disk, sector); - all_stat_inc(disk, part, ios[rw], sector); - all_stat_add(disk, part, ticks[rw], duration, sector); - all_stat_add(disk, part, sectors[rw], n_sect, sector); - all_stat_add(disk, part, io_ticks, duration, sector); - rcu_read_unlock(); + all_stat_inc(cpu, disk, part, ios[rw], sector); + all_stat_add(cpu, disk, part, ticks[rw], duration, sector); + all_stat_add(cpu, disk, part, sectors[rw], n_sect, sector); + all_stat_add(cpu, disk, part, io_ticks, duration, sector); + + disk_stat_unlock(); } void diff --git a/drivers/md/dm.c b/drivers/md/dm.c index a78caad29996..653624792eaf 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -377,12 +377,13 @@ static void free_tio(struct mapped_device *md, struct dm_target_io *tio) static void start_io_acct(struct dm_io *io) { struct mapped_device *md = io->md; + int cpu; io->start_time = jiffies; - preempt_disable(); - disk_round_stats(dm_disk(md)); - preempt_enable(); + cpu = disk_stat_lock(); + disk_round_stats(cpu, dm_disk(md)); + disk_stat_unlock(); dm_disk(md)->in_flight = atomic_inc_return(&md->pending); } @@ -391,15 +392,15 @@ static int end_io_acct(struct dm_io *io) struct mapped_device *md = io->md; struct bio *bio = io->bio; unsigned long duration = jiffies - io->start_time; - int pending; + int pending, cpu; int rw = bio_data_dir(bio); - preempt_disable(); - disk_round_stats(dm_disk(md)); - preempt_enable(); - dm_disk(md)->in_flight = pending = atomic_dec_return(&md->pending); + cpu = disk_stat_lock(); + disk_round_stats(cpu, dm_disk(md)); + disk_stat_add(cpu, dm_disk(md), ticks[rw], duration); + disk_stat_unlock(); - disk_stat_add(dm_disk(md), ticks[rw], duration); + dm_disk(md)->in_flight = pending = atomic_dec_return(&md->pending); return !pending; } @@ -885,6 +886,7 @@ static int dm_request(struct request_queue *q, struct bio *bio) int r = -EIO; int rw = bio_data_dir(bio); struct mapped_device *md = q->queuedata; + int cpu; /* * There is no use in forwarding any barrier request since we can't @@ -897,8 +899,10 @@ static int dm_request(struct request_queue *q, struct bio *bio) down_read(&md->io_lock); - disk_stat_inc(dm_disk(md), ios[rw]); - disk_stat_add(dm_disk(md), sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, dm_disk(md), ios[rw]); + disk_stat_add(cpu, dm_disk(md), sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); /* * If we're suspended we have to queue diff --git a/drivers/md/linear.c b/drivers/md/linear.c index b1eebf88c209..00cbc8e47294 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -318,14 +318,17 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) mddev_t *mddev = q->queuedata; dev_info_t *tmp_dev; sector_t block; + int cpu; if (unlikely(bio_barrier(bio))) { bio_endio(bio, -EOPNOTSUPP); return 0; } - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); tmp_dev = which_dev(mddev, bio->bi_sector); block = bio->bi_sector >> 1; diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index c4779ccba1c3..182f5a94cdc5 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -147,6 +147,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio) struct multipath_bh * mp_bh; struct multipath_info *multipath; const int rw = bio_data_dir(bio); + int cpu; if (unlikely(bio_barrier(bio))) { bio_endio(bio, -EOPNOTSUPP); @@ -158,8 +159,10 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio) mp_bh->master_bio = bio; mp_bh->mddev = mddev; - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); mp_bh->path = multipath_map(conf); if (mp_bh->path < 0) { diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 183610635661..e26030fa59ab 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -399,14 +399,17 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio) sector_t chunk; sector_t block, rsect; const int rw = bio_data_dir(bio); + int cpu; if (unlikely(bio_barrier(bio))) { bio_endio(bio, -EOPNOTSUPP); return 0; } - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); chunk_size = mddev->chunk_size >> 10; chunk_sects = mddev->chunk_size >> 9; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 0b82030c265d..babb13036f93 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -779,7 +779,7 @@ static int make_request(struct request_queue *q, struct bio * bio) struct page **behind_pages = NULL; const int rw = bio_data_dir(bio); const int do_sync = bio_sync(bio); - int do_barriers; + int cpu, do_barriers; mdk_rdev_t *blocked_rdev; /* @@ -804,8 +804,10 @@ static int make_request(struct request_queue *q, struct bio * bio) bitmap = mddev->bitmap; - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); /* * make_request() can abort the operation when READA is being diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index d3b9aa096285..5ec80da0a9d7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -789,6 +789,7 @@ static int make_request(struct request_queue *q, struct bio * bio) mirror_info_t *mirror; r10bio_t *r10_bio; struct bio *read_bio; + int cpu; int i; int chunk_sects = conf->chunk_mask + 1; const int rw = bio_data_dir(bio); @@ -843,8 +844,10 @@ static int make_request(struct request_queue *q, struct bio * bio) */ wait_barrier(conf); - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bio)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); + disk_stat_unlock(); r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 37e546528f9c..5899f211515f 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3387,7 +3387,7 @@ static int make_request(struct request_queue *q, struct bio * bi) sector_t logical_sector, last_sector; struct stripe_head *sh; const int rw = bio_data_dir(bi); - int remaining; + int cpu, remaining; if (unlikely(bio_barrier(bi))) { bio_endio(bi, -EOPNOTSUPP); @@ -3396,8 +3396,10 @@ static int make_request(struct request_queue *q, struct bio * bi) md_write_start(mddev, bi); - disk_stat_inc(mddev->gendisk, ios[rw]); - disk_stat_add(mddev->gendisk, sectors[rw], bio_sectors(bi)); + cpu = disk_stat_lock(); + disk_stat_inc(cpu, mddev->gendisk, ios[rw]); + disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bi)); + disk_stat_unlock(); if (rw == READ && mddev->reshape_position == MaxSector && diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 96c8bf41e455..c442f0aadac3 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -219,10 +219,11 @@ static ssize_t part_stat_show(struct device *dev, struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); + int cpu; - preempt_disable(); - part_round_stats(p); - preempt_enable(); + cpu = disk_stat_lock(); + part_round_stats(cpu, p); + disk_stat_unlock(); return sprintf(buf, "%8lu %8lu %8llu %8u " "%8lu %8lu %8llu %8u " diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 7fbba19e076b..ac8a901f2002 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -209,16 +209,24 @@ extern void disk_part_iter_exit(struct disk_part_iter *piter); extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector); -/* +/* * Macros to operate on percpu disk statistics: * - * The __ variants should only be called in critical sections. The full - * variants disable/enable preemption. + * {disk|part|all}_stat_{add|sub|inc|dec}() modify the stat counters + * and should be called between disk_stat_lock() and + * disk_stat_unlock(). + * + * part_stat_read() can be called at any time. + * + * part_stat_{add|set_all}() and {init|free}_part_stats are for + * internal use only. */ - #ifdef CONFIG_SMP -#define __disk_stat_add(gendiskp, field, addnd) \ - (per_cpu_ptr(gendiskp->dkstats, smp_processor_id())->field += addnd) +#define disk_stat_lock() ({ rcu_read_lock(); get_cpu(); }) +#define disk_stat_unlock() do { put_cpu(); rcu_read_unlock(); } while (0) + +#define disk_stat_add(cpu, gendiskp, field, addnd) \ + (per_cpu_ptr(gendiskp->dkstats, cpu)->field += addnd) #define disk_stat_read(gendiskp, field) \ ({ \ @@ -229,7 +237,8 @@ extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, res; \ }) -static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { +static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) +{ int i; for_each_possible_cpu(i) @@ -237,14 +246,14 @@ static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { sizeof(struct disk_stats)); } -#define __part_stat_add(part, field, addnd) \ - (per_cpu_ptr(part->dkstats, smp_processor_id())->field += addnd) +#define part_stat_add(cpu, part, field, addnd) \ + (per_cpu_ptr(part->dkstats, cpu)->field += addnd) -#define __all_stat_add(gendiskp, part, field, addnd, sector) \ -({ \ - if (part) \ - __part_stat_add(part, field, addnd); \ - __disk_stat_add(gendiskp, field, addnd); \ +#define all_stat_add(cpu, gendiskp, part, field, addnd, sector) \ +({ \ + if (part) \ + part_stat_add(cpu, part, field, addnd); \ + disk_stat_add(cpu, gendiskp, field, addnd); \ }) #define part_stat_read(part, field) \ @@ -264,10 +273,13 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) memset(per_cpu_ptr(part->dkstats, i), value, sizeof(struct disk_stats)); } - + #else /* !CONFIG_SMP */ -#define __disk_stat_add(gendiskp, field, addnd) \ - (gendiskp->dkstats.field += addnd) +#define disk_stat_lock() ({ rcu_read_lock(); 0; }) +#define disk_stat_unlock() rcu_read_unlock() + +#define disk_stat_add(cpu, gendiskp, field, addnd) \ + (gendiskp->dkstats.field += addnd) #define disk_stat_read(gendiskp, field) (gendiskp->dkstats.field) static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) @@ -275,14 +287,14 @@ static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) memset(&gendiskp->dkstats, value, sizeof (struct disk_stats)); } -#define __part_stat_add(part, field, addnd) \ +#define part_stat_add(cpu, part, field, addnd) \ (part->dkstats.field += addnd) -#define __all_stat_add(gendiskp, part, field, addnd, sector) \ -({ \ - if (part) \ - part->dkstats.field += addnd; \ - __disk_stat_add(gendiskp, field, addnd); \ +#define all_stat_add(cpu, gendiskp, part, field, addnd, sector) \ +({ \ + if (part) \ + part_stat_add(cpu, part, field, addnd); \ + disk_stat_add(cpu, gendiskp, field, addnd); \ }) #define part_stat_read(part, field) (part->dkstats.field) @@ -294,63 +306,26 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) #endif /* CONFIG_SMP */ -#define disk_stat_add(gendiskp, field, addnd) \ - do { \ - preempt_disable(); \ - __disk_stat_add(gendiskp, field, addnd); \ - preempt_enable(); \ - } while (0) - -#define __disk_stat_dec(gendiskp, field) __disk_stat_add(gendiskp, field, -1) -#define disk_stat_dec(gendiskp, field) disk_stat_add(gendiskp, field, -1) - -#define __disk_stat_inc(gendiskp, field) __disk_stat_add(gendiskp, field, 1) -#define disk_stat_inc(gendiskp, field) disk_stat_add(gendiskp, field, 1) - -#define __disk_stat_sub(gendiskp, field, subnd) \ - __disk_stat_add(gendiskp, field, -subnd) -#define disk_stat_sub(gendiskp, field, subnd) \ - disk_stat_add(gendiskp, field, -subnd) - -#define part_stat_add(gendiskp, field, addnd) \ - do { \ - preempt_disable(); \ - __part_stat_add(gendiskp, field, addnd);\ - preempt_enable(); \ - } while (0) - -#define __part_stat_dec(gendiskp, field) __part_stat_add(gendiskp, field, -1) -#define part_stat_dec(gendiskp, field) part_stat_add(gendiskp, field, -1) - -#define __part_stat_inc(gendiskp, field) __part_stat_add(gendiskp, field, 1) -#define part_stat_inc(gendiskp, field) part_stat_add(gendiskp, field, 1) - -#define __part_stat_sub(gendiskp, field, subnd) \ - __part_stat_add(gendiskp, field, -subnd) -#define part_stat_sub(gendiskp, field, subnd) \ - part_stat_add(gendiskp, field, -subnd) - -#define all_stat_add(gendiskp, part, field, addnd, sector) \ - do { \ - preempt_disable(); \ - __all_stat_add(gendiskp, part, field, addnd, sector); \ - preempt_enable(); \ - } while (0) - -#define __all_stat_dec(gendiskp, field, sector) \ - __all_stat_add(gendiskp, field, -1, sector) -#define all_stat_dec(gendiskp, field, sector) \ - all_stat_add(gendiskp, field, -1, sector) - -#define __all_stat_inc(gendiskp, part, field, sector) \ - __all_stat_add(gendiskp, part, field, 1, sector) -#define all_stat_inc(gendiskp, part, field, sector) \ - all_stat_add(gendiskp, part, field, 1, sector) - -#define __all_stat_sub(gendiskp, part, field, subnd, sector) \ - __all_stat_add(gendiskp, part, field, -subnd, sector) -#define all_stat_sub(gendiskp, part, field, subnd, sector) \ - all_stat_add(gendiskp, part, field, -subnd, sector) +#define disk_stat_dec(cpu, gendiskp, field) \ + disk_stat_add(cpu, gendiskp, field, -1) +#define disk_stat_inc(cpu, gendiskp, field) \ + disk_stat_add(cpu, gendiskp, field, 1) +#define disk_stat_sub(cpu, gendiskp, field, subnd) \ + disk_stat_add(cpu, gendiskp, field, -subnd) + +#define part_stat_dec(cpu, gendiskp, field) \ + part_stat_add(cpu, gendiskp, field, -1) +#define part_stat_inc(cpu, gendiskp, field) \ + part_stat_add(cpu, gendiskp, field, 1) +#define part_stat_sub(cpu, gendiskp, field, subnd) \ + part_stat_add(cpu, gendiskp, field, -subnd) + +#define all_stat_dec(cpu, gendiskp, field, sector) \ + all_stat_add(cpu, gendiskp, field, -1, sector) +#define all_stat_inc(cpu, gendiskp, part, field, sector) \ + all_stat_add(cpu, gendiskp, part, field, 1, sector) +#define all_stat_sub(cpu, gendiskp, part, field, subnd, sector) \ + all_stat_add(cpu, gendiskp, part, field, -subnd, sector) /* Inlines to alloc and free disk stats in struct gendisk */ #ifdef CONFIG_SMP @@ -401,8 +376,8 @@ static inline void free_part_stats(struct hd_struct *part) #endif /* CONFIG_SMP */ /* drivers/block/ll_rw_blk.c */ -extern void disk_round_stats(struct gendisk *disk); -extern void part_round_stats(struct hd_struct *part); +extern void disk_round_stats(int cpu, struct gendisk *disk); +extern void part_round_stats(int cpu, struct hd_struct *part); /* drivers/block/genhd.c */ extern int get_blkdev_list(char *, int); -- GitLab From bcce3de1be61e424deef35d1e86e86a35c4b6e65 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:22 +0900 Subject: [PATCH 3163/6244] block: implement extended dev numbers Implement extended device numbers. A block driver can tell block layer that it wants to use extended device numbers. After the usual minor space is used up, block layer automatically allocates devt's from EXT_BLOCK_MAJOR. Currently only one major number is allocated for this but as the allocation is strictly on-demand, ~1mil minor space under it should suffice unless the system actually has more than ~1mil partitions and if that ever happens adding more majors to the extended devt area is easy. Due to internal implementation issues, the first partition can't be allocated on the extended area. In other words, genhd->minors should at least be 1. This limitation will be lifted by later changes. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 120 ++++++++++++++++++++++++++++++++++++++++-- fs/partitions/check.c | 9 +++- include/linux/genhd.h | 13 +++-- include/linux/major.h | 2 + 4 files changed, 135 insertions(+), 9 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 430626e440f0..7bbfed05cecb 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "blk.h" @@ -24,6 +25,15 @@ static DEFINE_MUTEX(block_class_lock); struct kobject *block_depr; #endif +/* for extended dynamic devt allocation, currently only one major is used */ +#define MAX_EXT_DEVT (1 << MINORBITS) + +/* For extended devt allocation. ext_devt_mutex prevents look up + * results from going away underneath its user. + */ +static DEFINE_MUTEX(ext_devt_mutex); +static DEFINE_IDR(ext_devt_idr); + static struct device_type disk_type; /** @@ -288,6 +298,74 @@ EXPORT_SYMBOL(unregister_blkdev); static struct kobj_map *bdev_map; +/** + * blk_alloc_devt - allocate a dev_t for a partition + * @part: partition to allocate dev_t for + * @gfp_mask: memory allocation flag + * @devt: out parameter for resulting dev_t + * + * Allocate a dev_t for block device. + * + * RETURNS: + * 0 on success, allocated dev_t is returned in *@devt. -errno on + * failure. + * + * CONTEXT: + * Might sleep. + */ +int blk_alloc_devt(struct hd_struct *part, dev_t *devt) +{ + struct gendisk *disk = part_to_disk(part); + int idx, rc; + + /* in consecutive minor range? */ + if (part->partno < disk->minors) { + *devt = MKDEV(disk->major, disk->first_minor + part->partno); + return 0; + } + + /* allocate ext devt */ + do { + if (!idr_pre_get(&ext_devt_idr, GFP_KERNEL)) + return -ENOMEM; + rc = idr_get_new(&ext_devt_idr, part, &idx); + } while (rc == -EAGAIN); + + if (rc) + return rc; + + if (idx > MAX_EXT_DEVT) { + idr_remove(&ext_devt_idr, idx); + return -EBUSY; + } + + *devt = MKDEV(BLOCK_EXT_MAJOR, idx); + return 0; +} + +/** + * blk_free_devt - free a dev_t + * @devt: dev_t to free + * + * Free @devt which was allocated using blk_alloc_devt(). + * + * CONTEXT: + * Might sleep. + */ +void blk_free_devt(dev_t devt) +{ + might_sleep(); + + if (devt == MKDEV(0, 0)) + return; + + if (MAJOR(devt) == BLOCK_EXT_MAJOR) { + mutex_lock(&ext_devt_mutex); + idr_remove(&ext_devt_idr, MINOR(devt)); + mutex_unlock(&ext_devt_mutex); + } +} + /* * Register device numbers dev..(dev+range-1) * range must be nonzero @@ -371,10 +449,27 @@ void unlink_gendisk(struct gendisk *disk) */ struct gendisk *get_gendisk(dev_t devt, int *partno) { - struct kobject *kobj = kobj_lookup(bdev_map, devt, partno); - struct device *dev = kobj_to_dev(kobj); + struct gendisk *disk = NULL; + + if (MAJOR(devt) != BLOCK_EXT_MAJOR) { + struct kobject *kobj; + + kobj = kobj_lookup(bdev_map, devt, partno); + if (kobj) + disk = dev_to_disk(kobj_to_dev(kobj)); + } else { + struct hd_struct *part; + + mutex_lock(&ext_devt_mutex); + part = idr_find(&ext_devt_idr, MINOR(devt)); + if (part && get_disk(part_to_disk(part))) { + *partno = part->partno; + disk = part_to_disk(part); + } + mutex_unlock(&ext_devt_mutex); + } - return kobj ? dev_to_disk(dev) : NULL; + return disk; } /** @@ -877,18 +972,30 @@ struct gendisk *alloc_disk(int minors) } struct gendisk *alloc_disk_node(int minors, int node_id) +{ + return alloc_disk_ext_node(minors, 0, node_id); +} + +struct gendisk *alloc_disk_ext(int minors, int ext_minors) +{ + return alloc_disk_ext_node(minors, ext_minors, -1); +} + +struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) { struct gendisk *disk; disk = kmalloc_node(sizeof(struct gendisk), GFP_KERNEL | __GFP_ZERO, node_id); if (disk) { + int tot_minors = minors + ext_minors; + if (!init_disk_stats(disk)) { kfree(disk); return NULL; } - if (minors > 1) { - int size = (minors - 1) * sizeof(struct hd_struct *); + if (tot_minors > 1) { + int size = (tot_minors - 1) * sizeof(struct hd_struct *); disk->__part = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, node_id); if (!disk->__part) { @@ -898,6 +1005,7 @@ struct gendisk *alloc_disk_node(int minors, int node_id) } } disk->minors = minors; + disk->ext_minors = ext_minors; rand_initialize_disk(disk); disk->dev.class = &block_class; disk->dev.type = &disk_type; @@ -910,6 +1018,8 @@ struct gendisk *alloc_disk_node(int minors, int node_id) EXPORT_SYMBOL(alloc_disk); EXPORT_SYMBOL(alloc_disk_node); +EXPORT_SYMBOL(alloc_disk_ext); +EXPORT_SYMBOL(alloc_disk_ext_node); struct kobject *get_disk(struct gendisk *disk) { diff --git a/fs/partitions/check.c b/fs/partitions/check.c index c442f0aadac3..0d4b7f28f13f 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -333,6 +333,7 @@ void delete_partition(struct gendisk *disk, int partno) if (!part) return; + blk_free_devt(part_devt(part)); rcu_assign_pointer(disk->__part[partno-1], NULL); kobject_put(part->holder_dir); device_del(&part->dev); @@ -352,6 +353,7 @@ int add_partition(struct gendisk *disk, int partno, sector_t start, sector_t len, int flags) { struct hd_struct *p; + dev_t devt = MKDEV(0, 0); int err; if (disk->__part[partno - 1]) @@ -378,11 +380,15 @@ int add_partition(struct gendisk *disk, int partno, "%s%d", disk->dev.bus_id, partno); device_initialize(&p->dev); - p->dev.devt = MKDEV(disk->major, disk->first_minor + partno); p->dev.class = &block_class; p->dev.type = &part_type; p->dev.parent = &disk->dev; + err = blk_alloc_devt(p, &devt); + if (err) + goto out_put; + p->dev.devt = devt; + /* delay uevent until 'holders' subdir is created */ p->dev.uevent_suppress = 1; err = device_add(&p->dev); @@ -419,6 +425,7 @@ out_del: device_del(&p->dev); out_put: put_device(&p->dev); + blk_free_devt(devt); return err; } diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ac8a901f2002..6fc532424062 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -113,13 +113,15 @@ struct hd_struct { #define GENHD_FL_FAIL 64 struct gendisk { - /* major, first_minor and minors are input parameters only, - * don't use directly. Use disk_devt() and disk_max_parts(). + /* major, first_minor, minors and ext_minors are input + * parameters only, don't use directly. Use disk_devt() and + * disk_max_parts(). */ int major; /* major number of driver */ int first_minor; int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ + int ext_minors; /* number of extended dynamic minors */ char disk_name[32]; /* name of major driver */ @@ -167,7 +169,7 @@ static inline struct gendisk *part_to_disk(struct hd_struct *part) static inline int disk_max_parts(struct gendisk *disk) { - return disk->minors - 1; + return disk->minors + disk->ext_minors - 1; } static inline dev_t disk_devt(struct gendisk *disk) @@ -554,6 +556,8 @@ struct unixware_disklabel { #define ADDPART_FLAG_RAID 1 #define ADDPART_FLAG_WHOLEDISK 2 +extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt); +extern void blk_free_devt(dev_t devt); extern dev_t blk_lookup_devt(const char *name, int partno); extern char *disk_name (struct gendisk *hd, int partno, char *buf); @@ -564,6 +568,9 @@ extern void printk_all_partitions(void); extern struct gendisk *alloc_disk_node(int minors, int node_id); extern struct gendisk *alloc_disk(int minors); +extern struct gendisk *alloc_disk_ext_node(int minors, int ext_minrs, + int node_id); +extern struct gendisk *alloc_disk_ext(int minors, int ext_minors); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); extern void blk_register_region(dev_t devt, unsigned long range, diff --git a/include/linux/major.h b/include/linux/major.h index 53d5fafd85c3..88249452b935 100644 --- a/include/linux/major.h +++ b/include/linux/major.h @@ -170,4 +170,6 @@ #define VIOTAPE_MAJOR 230 +#define BLOCK_EXT_MAJOR 259 + #endif -- GitLab From 1f0142905d4812966831613847db38a66da29eb8 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:23 +0900 Subject: [PATCH 3164/6244] block: adjust formatting for large minors and add ext_range sysfs attr With extended minors and the soon-to-follow debug feature, large minor numbers for block devices will be common. This patch does the followings to make printouts pretty. * Adapt print formats such that large minors don't break the formatting. * For extended MAJ:MIN, %02x%02x for MAJ:MIN used in printk_all_partitions() doesn't cut it anymore. Update it such that %03x:%05x is used if either MAJ or MIN doesn't fit in %02x. * Implement ext_range sysfs attribute which shows total minors the device can use including both conventional minor space and the extended one. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 45 ++++++++++++++++++++++++++++++++++----------- include/linux/fs.h | 1 + 2 files changed, 35 insertions(+), 11 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 7bbfed05cecb..ee4b13520e59 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -366,6 +366,18 @@ void blk_free_devt(dev_t devt) } } +static char *bdevt_str(dev_t devt, char *buf) +{ + if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) { + char tbuf[BDEVT_SIZE]; + snprintf(tbuf, BDEVT_SIZE, "%02x%02x", MAJOR(devt), MINOR(devt)); + snprintf(buf, BDEVT_SIZE, "%-9s", tbuf); + } else + snprintf(buf, BDEVT_SIZE, "%03x:%05x", MAJOR(devt), MINOR(devt)); + + return buf; +} + /* * Register device numbers dev..(dev+range-1) * range must be nonzero @@ -521,7 +533,8 @@ void __init printk_all_partitions(void) struct gendisk *disk = dev_to_disk(dev); struct disk_part_iter piter; struct hd_struct *part; - char buf[BDEVNAME_SIZE]; + char name_buf[BDEVNAME_SIZE]; + char devt_buf[BDEVT_SIZE]; /* * Don't show empty devices or things that have been @@ -536,10 +549,10 @@ void __init printk_all_partitions(void) * numbers in hex - the same format as the root= * option takes. */ - printk("%02x%02x %10llu %s", - MAJOR(disk_devt(disk)), MINOR(disk_devt(disk)), + printk("%s %10llu %s", + bdevt_str(disk_devt(disk), devt_buf), (unsigned long long)get_capacity(disk) >> 1, - disk_name(disk, 0, buf)); + disk_name(disk, 0, name_buf)); if (disk->driverfs_dev != NULL && disk->driverfs_dev->driver != NULL) printk(" driver: %s\n", @@ -550,10 +563,10 @@ void __init printk_all_partitions(void) /* now show the partitions */ disk_part_iter_init(&piter, disk, 0); while ((part = disk_part_iter_next(&piter))) - printk(" %02x%02x %10llu %s\n", - MAJOR(part_devt(part)), MINOR(part_devt(part)), + printk(" %s %10llu %s\n", + bdevt_str(part_devt(part), devt_buf), (unsigned long long)part->nr_sects >> 1, - disk_name(disk, part->partno, buf)); + disk_name(disk, part->partno, name_buf)); disk_part_iter_exit(&piter); } class_dev_iter_exit(&iter); @@ -630,14 +643,14 @@ static int show_partition(struct seq_file *seqf, void *v) return 0; /* show the full disk and all non-0 size partitions of it */ - seq_printf(seqf, "%4d %4d %10llu %s\n", + seq_printf(seqf, "%4d %7d %10llu %s\n", MAJOR(disk_devt(sgp)), MINOR(disk_devt(sgp)), (unsigned long long)get_capacity(sgp) >> 1, disk_name(sgp, 0, buf)); disk_part_iter_init(&piter, sgp, 0); while ((part = disk_part_iter_next(&piter))) - seq_printf(seqf, "%4d %4d %10llu %s\n", + seq_printf(seqf, "%4d %7d %10llu %s\n", MAJOR(part_devt(part)), MINOR(part_devt(part)), (unsigned long long)part->nr_sects >> 1, disk_name(sgp, part->partno, buf)); @@ -691,6 +704,14 @@ static ssize_t disk_range_show(struct device *dev, return sprintf(buf, "%d\n", disk->minors); } +static ssize_t disk_ext_range_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct gendisk *disk = dev_to_disk(dev); + + return sprintf(buf, "%d\n", disk_max_parts(disk) + 1); +} + static ssize_t disk_removable_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -780,6 +801,7 @@ static ssize_t disk_fail_store(struct device *dev, #endif static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); +static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); static DEVICE_ATTR(ro, S_IRUGO, disk_ro_show, NULL); static DEVICE_ATTR(size, S_IRUGO, disk_size_show, NULL); @@ -792,6 +814,7 @@ static struct device_attribute dev_attr_fail = static struct attribute *disk_attrs[] = { &dev_attr_range.attr, + &dev_attr_ext_range.attr, &dev_attr_removable.attr, &dev_attr_ro.attr, &dev_attr_size.attr, @@ -858,7 +881,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) cpu = disk_stat_lock(); disk_round_stats(cpu, gp); disk_stat_unlock(); - seq_printf(seqf, "%4d %4d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", + seq_printf(seqf, "%4d %7d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", MAJOR(disk_devt(gp)), MINOR(disk_devt(gp)), disk_name(gp, 0, buf), disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), @@ -877,7 +900,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) cpu = disk_stat_lock(); part_round_stats(cpu, hd); disk_stat_unlock(); - seq_printf(seqf, "%4d %4d %s %lu %lu %llu " + seq_printf(seqf, "%4d %7d %s %lu %lu %llu " "%u %lu %lu %llu %u %u %u %u\n", MAJOR(part_devt(hd)), MINOR(part_devt(hd)), disk_name(gp, hd->partno, buf), diff --git a/include/linux/fs.h b/include/linux/fs.h index 860689f541b1..02a9fb5a830c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1685,6 +1685,7 @@ extern void chrdev_show(struct seq_file *,off_t); /* fs/block_dev.c */ #define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ +#define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ #ifdef CONFIG_BLOCK #define BLKDEV_MAJOR_HASH_SIZE 255 -- GitLab From f615b48cc7df7cac3865ec76ac1a5bb04d3e07f4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:24 +0900 Subject: [PATCH 3165/6244] sd/ide-disk: apply extended minors to sd and ide Update sd and ide-disk such that they can take advantage of extended minors. ide-disk already has 64 minors per device and currently doesn't use extended minors although after this patch it can be turned on by simply tweaking constants. sd only had 16 minors per device causing problems on certain peculiar configurations. This patch lifts the restriction and enables it to use upto 64 minors. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- drivers/ide/ide-disk.c | 11 ++++++++--- drivers/scsi/sd.c | 9 +++++++-- 2 files changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 07ef88bd109b..7a88de9ada29 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -41,6 +41,10 @@ #include #include +#define IDE_DISK_PARTS (1 << PARTN_BITS) +#define IDE_DISK_MINORS IDE_DISK_PARTS +#define IDE_DISK_EXT_MINORS (IDE_DISK_PARTS - IDE_DISK_MINORS) + struct ide_disk_obj { ide_drive_t *drive; ide_driver_t *driver; @@ -1151,8 +1155,8 @@ static int ide_disk_probe(ide_drive_t *drive) if (!idkp) goto failed; - g = alloc_disk_node(1 << PARTN_BITS, - hwif_to_node(drive->hwif)); + g = alloc_disk_ext_node(IDE_DISK_MINORS, IDE_DISK_EXT_MINORS, + hwif_to_node(drive->hwif)); if (!g) goto out_free_idkp; @@ -1178,7 +1182,8 @@ static int ide_disk_probe(ide_drive_t *drive) } else drive->attach = 1; - g->minors = 1 << PARTN_BITS; + g->minors = IDE_DISK_MINORS; + g->ext_minors = IDE_DISK_EXT_MINORS; g->driverfs_dev = &drive->gendev; g->flags = drive->removable ? GENHD_FL_REMOVABLE : 0; set_capacity(g, idedisk_capacity(drive)); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e5e7d7856454..d1bb0e1d2d28 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -86,6 +86,10 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_DISK); MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD); MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC); +#define SD_PARTS 64 +#define SD_MINORS 16 +#define SD_EXT_MINORS (SD_PARTS - SD_MINORS) + static int sd_revalidate_disk(struct gendisk *); static int sd_probe(struct device *); static int sd_remove(struct device *); @@ -1801,7 +1805,7 @@ static int sd_probe(struct device *dev) if (!sdkp) goto out; - gd = alloc_disk(16); + gd = alloc_disk_ext(SD_MINORS, SD_EXT_MINORS); if (!gd) goto out_free; @@ -1845,7 +1849,8 @@ static int sd_probe(struct device *dev) gd->major = sd_major((index & 0xf0) >> 4); gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); - gd->minors = 16; + gd->minors = SD_MINORS; + gd->ext_minors = SD_EXT_MINORS; gd->fops = &sd_fops; if (index < 26) { -- GitLab From 870d6656126add8e383645732b03df2b7ccd4f94 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:47:25 +0900 Subject: [PATCH 3166/6244] block: implement CONFIG_DEBUG_BLOCK_EXT_DEVT Extended devt introduces non-contiguos device numbers. This patch implements a debug option which forces most devt allocations to be from the extended area and spreads them out. This is enabled by default if DEBUG_KERNEL is set and achieves... 1. Detects code paths in kernel or userland which expect predetermined consecutive device numbers. 2. When something goes wrong, avoid corruption as adding to the minor of earlier partition won't lead to the wrong but valid device. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 38 +++++++++++++++++++++++++++++++++++--- drivers/ide/ide-disk.c | 6 ++++++ drivers/scsi/sd.c | 6 ++++++ lib/Kconfig.debug | 16 ++++++++++++++++ 4 files changed, 63 insertions(+), 3 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index ee4b13520e59..67e5a59ced2a 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -298,6 +298,38 @@ EXPORT_SYMBOL(unregister_blkdev); static struct kobj_map *bdev_map; +/** + * blk_mangle_minor - scatter minor numbers apart + * @minor: minor number to mangle + * + * Scatter consecutively allocated @minor number apart if MANGLE_DEVT + * is enabled. Mangling twice gives the original value. + * + * RETURNS: + * Mangled value. + * + * CONTEXT: + * Don't care. + */ +static int blk_mangle_minor(int minor) +{ +#ifdef CONFIG_DEBUG_BLOCK_EXT_DEVT + int i; + + for (i = 0; i < MINORBITS / 2; i++) { + int low = minor & (1 << i); + int high = minor & (1 << (MINORBITS - 1 - i)); + int distance = MINORBITS - 1 - 2 * i; + + minor ^= low | high; /* clear both bits */ + low <<= distance; /* swap the positions */ + high >>= distance; + minor |= low | high; /* and set */ + } +#endif + return minor; +} + /** * blk_alloc_devt - allocate a dev_t for a partition * @part: partition to allocate dev_t for @@ -339,7 +371,7 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt) return -EBUSY; } - *devt = MKDEV(BLOCK_EXT_MAJOR, idx); + *devt = MKDEV(BLOCK_EXT_MAJOR, blk_mangle_minor(idx)); return 0; } @@ -361,7 +393,7 @@ void blk_free_devt(dev_t devt) if (MAJOR(devt) == BLOCK_EXT_MAJOR) { mutex_lock(&ext_devt_mutex); - idr_remove(&ext_devt_idr, MINOR(devt)); + idr_remove(&ext_devt_idr, blk_mangle_minor(MINOR(devt))); mutex_unlock(&ext_devt_mutex); } } @@ -473,7 +505,7 @@ struct gendisk *get_gendisk(dev_t devt, int *partno) struct hd_struct *part; mutex_lock(&ext_devt_mutex); - part = idr_find(&ext_devt_idr, MINOR(devt)); + part = idr_find(&ext_devt_idr, blk_mangle_minor(MINOR(devt))); if (part && get_disk(part_to_disk(part))) { *partno = part->partno; disk = part_to_disk(part); diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 7a88de9ada29..a072df5053ae 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -42,7 +42,13 @@ #include #define IDE_DISK_PARTS (1 << PARTN_BITS) + +#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) #define IDE_DISK_MINORS IDE_DISK_PARTS +#else +#define IDE_DISK_MINORS 1 +#endif + #define IDE_DISK_EXT_MINORS (IDE_DISK_PARTS - IDE_DISK_MINORS) struct ide_disk_obj { diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index d1bb0e1d2d28..280d231a86ed 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -87,7 +87,13 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD); MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC); #define SD_PARTS 64 + +#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) #define SD_MINORS 16 +#else +#define SD_MINORS 1 +#endif + #define SD_EXT_MINORS (SD_PARTS - SD_MINORS) static int sd_revalidate_disk(struct gendisk *); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0b504814e378..5a536f703a83 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -624,6 +624,22 @@ config BACKTRACE_SELF_TEST Say N if you are unsure. +config DEBUG_BLOCK_EXT_DEVT + bool "Force extended block device numbers and spread them" + depends on DEBUG_KERNEL + depends on BLOCK + default y + help + Conventionally, block device numbers are allocated from + predetermined contiguous area. However, extended block area + may introduce non-contiguous block device numbers. This + option forces most block device numbers to be allocated from + the extended space and spreads them to discover kernel or + userland code paths which assume predetermined contiguous + device number allocation. + + Say N if you are unsure. + config LKDTM tristate "Linux Kernel Dump Test Tool Module" depends on DEBUG_KERNEL -- GitLab From ed9e1982347b36573cd622ee5f4e2a7ccd79b3fd Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:05 +0900 Subject: [PATCH 3167/6244] block: implement and use {disk|part}_to_dev() Implement {disk|part}_to_dev() and use them to access generic device instead of directly dereferencing {disk|part}->dev. To make sure no user is left behind, rename generic devices fields to __dev. This is in preparation of unifying partition 0 handling with other partitions. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-integrity.c | 5 ++- block/blk-sysfs.c | 4 +- block/genhd.c | 27 ++++++------- drivers/block/aoe/aoeblk.c | 4 +- drivers/block/nbd.c | 4 +- drivers/ide/ide-probe.c | 2 +- drivers/md/dm.c | 4 +- drivers/md/md.c | 10 ++--- fs/block_dev.c | 4 +- fs/partitions/check.c | 79 ++++++++++++++++++++------------------ include/linux/genhd.h | 20 +++++----- 11 files changed, 86 insertions(+), 77 deletions(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index d87606eaca1d..69023da63151 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -331,7 +331,8 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template) return -1; if (kobject_init_and_add(&bi->kobj, &integrity_ktype, - &disk->dev.kobj, "%s", "integrity")) { + &disk_to_dev(disk)->kobj, + "%s", "integrity")) { kmem_cache_free(integrity_cachep, bi); return -1; } @@ -375,7 +376,7 @@ void blk_integrity_unregister(struct gendisk *disk) kobject_uevent(&bi->kobj, KOBJ_REMOVE); kobject_del(&bi->kobj); - kobject_put(&disk->dev.kobj); + kobject_put(&disk_to_dev(disk)->kobj); kmem_cache_free(integrity_cachep, bi); } EXPORT_SYMBOL(blk_integrity_unregister); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 304ec73ab821..b9a6ed166649 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -310,7 +310,7 @@ int blk_register_queue(struct gendisk *disk) if (!q->request_fn) return 0; - ret = kobject_add(&q->kobj, kobject_get(&disk->dev.kobj), + ret = kobject_add(&q->kobj, kobject_get(&disk_to_dev(disk)->kobj), "%s", "queue"); if (ret < 0) return ret; @@ -339,6 +339,6 @@ void blk_unregister_queue(struct gendisk *disk) kobject_uevent(&q->kobj, KOBJ_REMOVE); kobject_del(&q->kobj); - kobject_put(&disk->dev.kobj); + kobject_put(&disk_to_dev(disk)->kobj); } } diff --git a/block/genhd.c b/block/genhd.c index 67e5a59ced2a..0a2f16bd54b7 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -59,7 +59,7 @@ struct hd_struct *disk_get_part(struct gendisk *disk, int partno) rcu_read_lock(); part = rcu_dereference(disk->__part[partno - 1]); if (part) - get_device(&part->dev); + get_device(part_to_dev(part)); rcu_read_unlock(); return part; @@ -130,7 +130,7 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) if (!(piter->flags & DISK_PITER_INCL_EMPTY) && !part->nr_sects) continue; - get_device(&part->dev); + get_device(part_to_dev(part)); piter->part = part; piter->idx += inc; break; @@ -435,7 +435,7 @@ static struct kobject *exact_match(dev_t devt, int *partno, void *data) { struct gendisk *p = data; - return &p->dev.kobj; + return &disk_to_dev(p)->kobj; } static int exact_lock(dev_t devt, void *data) @@ -460,7 +460,7 @@ void add_disk(struct gendisk *disk) int retval; disk->flags |= GENHD_FL_UP; - disk->dev.devt = MKDEV(disk->major, disk->first_minor); + disk_to_dev(disk)->devt = MKDEV(disk->major, disk->first_minor); blk_register_region(disk_devt(disk), disk->minors, NULL, exact_match, exact_lock, disk); register_disk(disk); @@ -468,7 +468,8 @@ void add_disk(struct gendisk *disk) bdi = &disk->queue->backing_dev_info; bdi_register_dev(bdi, disk_devt(disk)); - retval = sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi"); + retval = sysfs_create_link(&disk_to_dev(disk)->kobj, &bdi->dev->kobj, + "bdi"); WARN_ON(retval); } @@ -477,7 +478,7 @@ EXPORT_SYMBOL(del_gendisk); /* in partitions/check.c */ void unlink_gendisk(struct gendisk *disk) { - sysfs_remove_link(&disk->dev.kobj, "bdi"); + sysfs_remove_link(&disk_to_dev(disk)->kobj, "bdi"); bdi_unregister(&disk->queue->backing_dev_info); blk_unregister_queue(disk); blk_unregister_region(disk_devt(disk), disk->minors); @@ -903,7 +904,7 @@ static int diskstats_show(struct seq_file *seqf, void *v) int cpu; /* - if (&gp->dev.kobj.entry == block_class.devices.next) + if (&disk_to_dev(gp)->kobj.entry == block_class.devices.next) seq_puts(seqf, "major minor name" " rio rmerge rsect ruse wio wmerge " "wsect wuse running use aveq" @@ -972,7 +973,7 @@ static void media_change_notify_thread(struct work_struct *work) * set enviroment vars to indicate which event this is for * so that user space will know to go check the media status. */ - kobject_uevent_env(&gd->dev.kobj, KOBJ_CHANGE, envp); + kobject_uevent_env(&disk_to_dev(gd)->kobj, KOBJ_CHANGE, envp); put_device(gd->driverfs_dev); } @@ -1062,9 +1063,9 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) disk->minors = minors; disk->ext_minors = ext_minors; rand_initialize_disk(disk); - disk->dev.class = &block_class; - disk->dev.type = &disk_type; - device_initialize(&disk->dev); + disk_to_dev(disk)->class = &block_class; + disk_to_dev(disk)->type = &disk_type; + device_initialize(disk_to_dev(disk)); INIT_WORK(&disk->async_notify, media_change_notify_thread); } @@ -1086,7 +1087,7 @@ struct kobject *get_disk(struct gendisk *disk) owner = disk->fops->owner; if (owner && !try_module_get(owner)) return NULL; - kobj = kobject_get(&disk->dev.kobj); + kobj = kobject_get(&disk_to_dev(disk)->kobj); if (kobj == NULL) { module_put(owner); return NULL; @@ -1100,7 +1101,7 @@ EXPORT_SYMBOL(get_disk); void put_disk(struct gendisk *disk) { if (disk) - kobject_put(&disk->dev.kobj); + kobject_put(&disk_to_dev(disk)->kobj); } EXPORT_SYMBOL(put_disk); diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 0c39782b2660..3edb6cb7d68f 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -109,12 +109,12 @@ static const struct attribute_group attr_group = { static int aoedisk_add_sysfs(struct aoedev *d) { - return sysfs_create_group(&d->gd->dev.kobj, &attr_group); + return sysfs_create_group(&disk_to_dev(d->gd)->kobj, &attr_group); } void aoedisk_rm_sysfs(struct aoedev *d) { - sysfs_remove_group(&d->gd->dev.kobj, &attr_group); + sysfs_remove_group(&disk_to_dev(d->gd)->kobj, &attr_group); } static int diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 1778e4a2c672..7b3351260d56 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -403,7 +403,7 @@ static int nbd_do_it(struct nbd_device *lo) BUG_ON(lo->magic != LO_MAGIC); lo->pid = current->pid; - ret = sysfs_create_file(&lo->disk->dev.kobj, &pid_attr.attr); + ret = sysfs_create_file(&disk_to_dev(lo->disk)->kobj, &pid_attr.attr); if (ret) { printk(KERN_ERR "nbd: sysfs_create_file failed!"); return ret; @@ -412,7 +412,7 @@ static int nbd_do_it(struct nbd_device *lo) while ((req = nbd_read_stat(lo)) != NULL) nbd_end_request(req); - sysfs_remove_file(&lo->disk->dev.kobj, &pid_attr.attr); + sysfs_remove_file(&disk_to_dev(lo->disk)->kobj, &pid_attr.attr); return 0; } diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index a51a30e9eab3..70aa86c8807e 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1188,7 +1188,7 @@ static struct kobject *exact_match(dev_t dev, int *part, void *data) { struct gendisk *p = data; *part &= (1 << PARTN_BITS) - 1; - return &p->dev.kobj; + return &disk_to_dev(p)->kobj; } static int exact_lock(dev_t dev, void *data) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 653624792eaf..637806695bb9 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1186,7 +1186,7 @@ static void event_callback(void *context) list_splice_init(&md->uevent_list, &uevents); spin_unlock_irqrestore(&md->uevent_lock, flags); - dm_send_uevents(&uevents, &md->disk->dev.kobj); + dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj); atomic_inc(&md->event_nr); wake_up(&md->eventq); @@ -1643,7 +1643,7 @@ out: *---------------------------------------------------------------*/ void dm_kobject_uevent(struct mapped_device *md) { - kobject_uevent(&md->disk->dev.kobj, KOBJ_CHANGE); + kobject_uevent(&disk_to_dev(md->disk)->kobj, KOBJ_CHANGE); } uint32_t dm_next_uevent_seq(struct mapped_device *md) diff --git a/drivers/md/md.c b/drivers/md/md.c index deeac4b44173..96e9fccd2eab 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1465,9 +1465,9 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) goto fail; if (rdev->bdev->bd_part) - ko = &rdev->bdev->bd_part->dev.kobj; + ko = &part_to_dev(rdev->bdev->bd_part)->kobj; else - ko = &rdev->bdev->bd_disk->dev.kobj; + ko = &disk_to_dev(rdev->bdev->bd_disk)->kobj; if ((err = sysfs_create_link(&rdev->kobj, ko, "block"))) { kobject_del(&rdev->kobj); goto fail; @@ -3470,8 +3470,8 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data) disk->queue = mddev->queue; add_disk(disk); mddev->gendisk = disk; - error = kobject_init_and_add(&mddev->kobj, &md_ktype, &disk->dev.kobj, - "%s", "md"); + error = kobject_init_and_add(&mddev->kobj, &md_ktype, + &disk_to_dev(disk)->kobj, "%s", "md"); mutex_unlock(&disks_mutex); if (error) printk(KERN_WARNING "md: cannot register %s/md - name in use\n", @@ -3761,7 +3761,7 @@ static int do_md_run(mddev_t * mddev) sysfs_notify(&mddev->kobj, NULL, "array_state"); sysfs_notify(&mddev->kobj, NULL, "sync_action"); sysfs_notify(&mddev->kobj, NULL, "degraded"); - kobject_uevent(&mddev->gendisk->dev.kobj, KOBJ_CHANGE); + kobject_uevent(&disk_to_dev(mddev->gendisk)->kobj, KOBJ_CHANGE); return 0; } diff --git a/fs/block_dev.c b/fs/block_dev.c index 2f2873b9a041..a02df22f37c3 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -543,9 +543,9 @@ EXPORT_SYMBOL(bd_release); static struct kobject *bdev_get_kobj(struct block_device *bdev) { if (bdev->bd_contains != bdev) - return kobject_get(&bdev->bd_part->dev.kobj); + return kobject_get(&part_to_dev(bdev->bd_part)->kobj); else - return kobject_get(&bdev->bd_disk->dev.kobj); + return kobject_get(&disk_to_dev(bdev->bd_disk)->kobj); } static struct kobject *bdev_get_holder(struct block_device *bdev) diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 0d4b7f28f13f..ac0df3acdcda 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -309,7 +309,7 @@ static inline void disk_sysfs_add_subdirs(struct gendisk *disk) { struct kobject *k; - k = kobject_get(&disk->dev.kobj); + k = kobject_get(&disk_to_dev(disk)->kobj); disk->holder_dir = kobject_create_and_add("holders", k); disk->slave_dir = kobject_create_and_add("slaves", k); kobject_put(k); @@ -322,7 +322,7 @@ static void delete_partition_rcu_cb(struct rcu_head *head) part->start_sect = 0; part->nr_sects = 0; part_stat_set_all(part, 0); - put_device(&part->dev); + put_device(part_to_dev(part)); } void delete_partition(struct gendisk *disk, int partno) @@ -336,7 +336,7 @@ void delete_partition(struct gendisk *disk, int partno) blk_free_devt(part_devt(part)); rcu_assign_pointer(disk->__part[partno-1], NULL); kobject_put(part->holder_dir); - device_del(&part->dev); + device_del(part_to_dev(part)); call_rcu(&part->rcu_head, delete_partition_rcu_cb); } @@ -354,6 +354,9 @@ int add_partition(struct gendisk *disk, int partno, { struct hd_struct *p; dev_t devt = MKDEV(0, 0); + struct device *ddev = disk_to_dev(disk); + struct device *pdev; + const char *dname; int err; if (disk->__part[partno - 1]) @@ -367,42 +370,43 @@ int add_partition(struct gendisk *disk, int partno, err = -ENOMEM; goto out_free; } + pdev = part_to_dev(p); + p->start_sect = start; p->nr_sects = len; p->partno = partno; p->policy = disk->policy; - if (isdigit(disk->dev.bus_id[strlen(disk->dev.bus_id)-1])) - snprintf(p->dev.bus_id, BUS_ID_SIZE, - "%sp%d", disk->dev.bus_id, partno); + dname = dev_name(ddev); + if (isdigit(dname[strlen(dname) - 1])) + snprintf(pdev->bus_id, BUS_ID_SIZE, "%sp%d", dname, partno); else - snprintf(p->dev.bus_id, BUS_ID_SIZE, - "%s%d", disk->dev.bus_id, partno); + snprintf(pdev->bus_id, BUS_ID_SIZE, "%s%d", dname, partno); - device_initialize(&p->dev); - p->dev.class = &block_class; - p->dev.type = &part_type; - p->dev.parent = &disk->dev; + device_initialize(pdev); + pdev->class = &block_class; + pdev->type = &part_type; + pdev->parent = ddev; err = blk_alloc_devt(p, &devt); if (err) - goto out_put; - p->dev.devt = devt; + goto out_free; + pdev->devt = devt; /* delay uevent until 'holders' subdir is created */ - p->dev.uevent_suppress = 1; - err = device_add(&p->dev); + pdev->uevent_suppress = 1; + err = device_add(pdev); if (err) goto out_put; err = -ENOMEM; - p->holder_dir = kobject_create_and_add("holders", &p->dev.kobj); + p->holder_dir = kobject_create_and_add("holders", &pdev->kobj); if (!p->holder_dir) goto out_del; - p->dev.uevent_suppress = 0; + pdev->uevent_suppress = 0; if (flags & ADDPART_FLAG_WHOLEDISK) { - err = device_create_file(&p->dev, &dev_attr_whole_disk); + err = device_create_file(pdev, &dev_attr_whole_disk); if (err) goto out_del; } @@ -412,8 +416,8 @@ int add_partition(struct gendisk *disk, int partno, rcu_assign_pointer(disk->__part[partno - 1], p); /* suppress uevent if the disk supresses it */ - if (!disk->dev.uevent_suppress) - kobject_uevent(&p->dev.kobj, KOBJ_ADD); + if (!ddev->uevent_suppress) + kobject_uevent(&pdev->kobj, KOBJ_ADD); return 0; @@ -422,9 +426,9 @@ out_free: return err; out_del: kobject_put(p->holder_dir); - device_del(&p->dev); + device_del(pdev); out_put: - put_device(&p->dev); + put_device(pdev); blk_free_devt(devt); return err; } @@ -432,30 +436,31 @@ out_put: /* Not exported, helper to add_disk(). */ void register_disk(struct gendisk *disk) { + struct device *ddev = disk_to_dev(disk); struct block_device *bdev; struct disk_part_iter piter; struct hd_struct *part; char *s; int err; - disk->dev.parent = disk->driverfs_dev; + ddev->parent = disk->driverfs_dev; - strlcpy(disk->dev.bus_id, disk->disk_name, BUS_ID_SIZE); + strlcpy(ddev->bus_id, disk->disk_name, BUS_ID_SIZE); /* ewww... some of these buggers have / in the name... */ - s = strchr(disk->dev.bus_id, '/'); + s = strchr(ddev->bus_id, '/'); if (s) *s = '!'; /* delay uevents, until we scanned partition table */ - disk->dev.uevent_suppress = 1; + ddev->uevent_suppress = 1; - if (device_add(&disk->dev)) + if (device_add(ddev)) return; #ifndef CONFIG_SYSFS_DEPRECATED - err = sysfs_create_link(block_depr, &disk->dev.kobj, - kobject_name(&disk->dev.kobj)); + err = sysfs_create_link(block_depr, &ddev->kobj, + kobject_name(&ddev->kobj)); if (err) { - device_del(&disk->dev); + device_del(ddev); return; } #endif @@ -481,13 +486,13 @@ void register_disk(struct gendisk *disk) exit: /* announce disk after possible partitions are created */ - disk->dev.uevent_suppress = 0; - kobject_uevent(&disk->dev.kobj, KOBJ_ADD); + ddev->uevent_suppress = 0; + kobject_uevent(&ddev->kobj, KOBJ_ADD); /* announce possible partitions */ disk_part_iter_init(&piter, disk, 0); while ((part = disk_part_iter_next(&piter))) - kobject_uevent(&part->dev.kobj, KOBJ_ADD); + kobject_uevent(&part_to_dev(part)->kobj, KOBJ_ADD); disk_part_iter_exit(&piter); } @@ -518,7 +523,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) return -EIO; /* tell userspace that the media / partition table may have changed */ - kobject_uevent(&disk->dev.kobj, KOBJ_CHANGE); + kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE); for (p = 1; p < state->limit; p++) { sector_t size = state->parts[p].size; @@ -591,7 +596,7 @@ void del_gendisk(struct gendisk *disk) kobject_put(disk->slave_dir); disk->driverfs_dev = NULL; #ifndef CONFIG_SYSFS_DEPRECATED - sysfs_remove_link(block_depr, disk->dev.bus_id); + sysfs_remove_link(block_depr, dev_name(disk_to_dev(disk))); #endif - device_del(&disk->dev); + device_del(disk_to_dev(disk)); } diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 6fc532424062..e4e18c509ac5 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -15,9 +15,11 @@ #ifdef CONFIG_BLOCK -#define kobj_to_dev(k) container_of(k, struct device, kobj) -#define dev_to_disk(device) container_of(device, struct gendisk, dev) -#define dev_to_part(device) container_of(device, struct hd_struct, dev) +#define kobj_to_dev(k) container_of((k), struct device, kobj) +#define dev_to_disk(device) container_of((device), struct gendisk, __dev) +#define dev_to_part(device) container_of((device), struct hd_struct, __dev) +#define disk_to_dev(disk) (&((disk)->__dev)) +#define part_to_dev(part) (&((part)->__dev)) extern struct device_type part_type; extern struct kobject *block_depr; @@ -88,7 +90,7 @@ struct disk_stats { struct hd_struct { sector_t start_sect; sector_t nr_sects; - struct device dev; + struct device __dev; struct kobject *holder_dir; int policy, partno; #ifdef CONFIG_FAIL_MAKE_REQUEST @@ -139,7 +141,7 @@ struct gendisk { int flags; struct device *driverfs_dev; // FIXME: remove - struct device dev; + struct device __dev; struct kobject *holder_dir; struct kobject *slave_dir; @@ -163,7 +165,7 @@ struct gendisk { static inline struct gendisk *part_to_disk(struct hd_struct *part) { if (likely(part)) - return dev_to_disk((part)->dev.parent); + return dev_to_disk(part_to_dev(part)->parent); return NULL; } @@ -174,12 +176,12 @@ static inline int disk_max_parts(struct gendisk *disk) static inline dev_t disk_devt(struct gendisk *disk) { - return disk->dev.devt; + return disk_to_dev(disk)->devt; } static inline dev_t part_devt(struct hd_struct *part) { - return part->dev.devt; + return part_to_dev(part)->devt; } extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno); @@ -187,7 +189,7 @@ extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno); static inline void disk_put_part(struct hd_struct *part) { if (likely(part)) - put_device(&part->dev); + put_device(part_to_dev(part)); } /* -- GitLab From b5d0b9df0ba5d9a044f3a21e7544f53d90bd1465 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 3 Sep 2008 09:06:42 +0200 Subject: [PATCH 3168/6244] block: introduce partition 0 genhd and partition code handled disk and partitions separately. All information about the whole disk was in struct genhd and partitions in struct hd_struct. However, the whole disk (part0) and other partitions have a lot in common and the data structures end up having good number of common fields and thus separate code paths doing the same thing. Also, the partition array was indexed by partno - 1 which gets pretty confusing at times. This patch introduces partition 0 and makes the partition array indexed by partno. Following patches will unify the handling of disk and parts piece-by-piece. This patch also implements disk_partitionable() which tests whether a disk is partitionable. With coming dynamic partition array change, the most common usage of disk_max_parts() will be testing whether a disk is partitionable and the number of max partitions will become much less important. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 40 +++++++++++++++++++++++----------------- block/ioctl.c | 4 ++-- fs/block_dev.c | 2 +- fs/partitions/check.c | 12 ++++++------ include/linux/genhd.h | 11 +++++++++-- 5 files changed, 41 insertions(+), 28 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 0a2f16bd54b7..65b7386c26d8 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -54,10 +54,10 @@ struct hd_struct *disk_get_part(struct gendisk *disk, int partno) { struct hd_struct *part; - if (unlikely(partno < 1 || partno > disk_max_parts(disk))) + if (unlikely(partno < 0 || partno >= disk_max_parts(disk))) return NULL; rcu_read_lock(); - part = rcu_dereference(disk->__part[partno - 1]); + part = rcu_dereference(disk->__part[partno]); if (part) get_device(part_to_dev(part)); rcu_read_unlock(); @@ -85,8 +85,10 @@ void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk, if (flags & DISK_PITER_REVERSE) piter->idx = disk_max_parts(piter->disk) - 1; - else + else if (flags & DISK_PITER_INCL_PART0) piter->idx = 0; + else + piter->idx = 1; piter->flags = flags; } @@ -114,7 +116,10 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) /* determine iteration parameters */ if (piter->flags & DISK_PITER_REVERSE) { inc = -1; - end = -1; + if (piter->flags & DISK_PITER_INCL_PART0) + end = -1; + else + end = 0; } else { inc = 1; end = disk_max_parts(piter->disk); @@ -177,7 +182,7 @@ struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector) { int i; - for (i = 0; i < disk_max_parts(disk); i++) { + for (i = 1; i < disk_max_parts(disk); i++) { struct hd_struct *part = rcu_dereference(disk->__part[i]); if (part && part->start_sect <= sector && @@ -669,7 +674,7 @@ static int show_partition(struct seq_file *seqf, void *v) char buf[BDEVNAME_SIZE]; /* Don't show non-partitionable removeable devices or empty devices */ - if (!get_capacity(sgp) || (!disk_max_parts(sgp) && + if (!get_capacity(sgp) || (!disk_partitionable(sgp) && (sgp->flags & GENHD_FL_REMOVABLE))) return 0; if (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO) @@ -742,7 +747,7 @@ static ssize_t disk_ext_range_show(struct device *dev, { struct gendisk *disk = dev_to_disk(dev); - return sprintf(buf, "%d\n", disk_max_parts(disk) + 1); + return sprintf(buf, "%d\n", disk_max_parts(disk)); } static ssize_t disk_removable_show(struct device *dev, @@ -998,7 +1003,7 @@ dev_t blk_lookup_devt(const char *name, int partno) if (strcmp(dev->bus_id, name)) continue; - if (partno < 0 || partno > disk_max_parts(disk)) + if (partno < 0 || partno >= disk_max_parts(disk)) continue; if (partno == 0) @@ -1045,21 +1050,22 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) GFP_KERNEL | __GFP_ZERO, node_id); if (disk) { int tot_minors = minors + ext_minors; + int size = tot_minors * sizeof(struct hd_struct *); if (!init_disk_stats(disk)) { kfree(disk); return NULL; } - if (tot_minors > 1) { - int size = (tot_minors - 1) * sizeof(struct hd_struct *); - disk->__part = kmalloc_node(size, - GFP_KERNEL | __GFP_ZERO, node_id); - if (!disk->__part) { - free_disk_stats(disk); - kfree(disk); - return NULL; - } + + disk->__part = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, + node_id); + if (!disk->__part) { + free_disk_stats(disk); + kfree(disk); + return NULL; } + disk->__part[0] = &disk->part0; + disk->minors = minors; disk->ext_minors = ext_minors; rand_initialize_disk(disk); diff --git a/block/ioctl.c b/block/ioctl.c index a5f672ad55f6..64e7c67a64b0 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -30,7 +30,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user if (bdev != bdev->bd_contains) return -EINVAL; partno = p.pno; - if (partno <= 0 || partno > disk_max_parts(disk)) + if (partno <= 0 || partno >= disk_max_parts(disk)) return -EINVAL; switch (a.op) { case BLKPG_ADD_PARTITION: @@ -102,7 +102,7 @@ static int blkdev_reread_part(struct block_device *bdev) struct gendisk *disk = bdev->bd_disk; int res; - if (!disk_max_parts(disk) || bdev != bdev->bd_contains) + if (!disk_partitionable(disk) || bdev != bdev->bd_contains) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; diff --git a/fs/block_dev.c b/fs/block_dev.c index a02df22f37c3..c982a9107979 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -892,7 +892,7 @@ int check_disk_change(struct block_device *bdev) if (bdops->revalidate_disk) bdops->revalidate_disk(bdev->bd_disk); - if (disk_max_parts(bdev->bd_disk)) + if (disk_partitionable(bdev->bd_disk)) bdev->bd_invalidated = 1; return 1; } diff --git a/fs/partitions/check.c b/fs/partitions/check.c index ac0df3acdcda..b60699c271ac 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -173,7 +173,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev) if (isdigit(state->name[strlen(state->name)-1])) sprintf(state->name, "p"); - state->limit = disk_max_parts(hd) + 1; + state->limit = disk_max_parts(hd); i = res = err = 0; while (!res && check_part[i]) { memset(&state->parts, 0, sizeof(state->parts)); @@ -329,12 +329,12 @@ void delete_partition(struct gendisk *disk, int partno) { struct hd_struct *part; - part = disk->__part[partno-1]; + part = disk->__part[partno]; if (!part) return; blk_free_devt(part_devt(part)); - rcu_assign_pointer(disk->__part[partno-1], NULL); + rcu_assign_pointer(disk->__part[partno], NULL); kobject_put(part->holder_dir); device_del(part_to_dev(part)); @@ -359,7 +359,7 @@ int add_partition(struct gendisk *disk, int partno, const char *dname; int err; - if (disk->__part[partno - 1]) + if (disk->__part[partno]) return -EBUSY; p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -413,7 +413,7 @@ int add_partition(struct gendisk *disk, int partno, /* everything is up and running, commence */ INIT_RCU_HEAD(&p->rcu_head); - rcu_assign_pointer(disk->__part[partno - 1], p); + rcu_assign_pointer(disk->__part[partno], p); /* suppress uevent if the disk supresses it */ if (!ddev->uevent_suppress) @@ -467,7 +467,7 @@ void register_disk(struct gendisk *disk) disk_sysfs_add_subdirs(disk); /* No minors to use for partitions */ - if (!disk_max_parts(disk)) + if (!disk_partitionable(disk)) goto exit; /* No such device (e.g., media were just removed) */ diff --git a/include/linux/genhd.h b/include/linux/genhd.h index e4e18c509ac5..9e866a2aee50 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -127,12 +127,13 @@ struct gendisk { char disk_name[32]; /* name of major driver */ - /* Array of pointers to partitions indexed by partno - 1. + /* Array of pointers to partitions indexed by partno. * Protected with matching bdev lock but stat and other * non-critical accesses use RCU. Always access through * helpers. */ struct hd_struct **__part; + struct hd_struct part0; struct block_device_operations *fops; struct request_queue *queue; @@ -171,7 +172,12 @@ static inline struct gendisk *part_to_disk(struct hd_struct *part) static inline int disk_max_parts(struct gendisk *disk) { - return disk->minors + disk->ext_minors - 1; + return disk->minors + disk->ext_minors; +} + +static inline bool disk_partitionable(struct gendisk *disk) +{ + return disk_max_parts(disk) > 1; } static inline dev_t disk_devt(struct gendisk *disk) @@ -197,6 +203,7 @@ static inline void disk_put_part(struct hd_struct *part) */ #define DISK_PITER_REVERSE (1 << 0) /* iterate in the reverse direction */ #define DISK_PITER_INCL_EMPTY (1 << 1) /* include 0-sized parts */ +#define DISK_PITER_INCL_PART0 (1 << 2) /* include partition 0 */ struct disk_part_iter { struct gendisk *disk; -- GitLab From 80795aefb76d10c5d698e60c7e7750b5330787da Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:07 +0900 Subject: [PATCH 3169/6244] block: move capacity from disk to part0 Move disk->capacity to part0->nr_sects and convert all users who directly accessed the field to use {get|set}_capacity(). This is done early to allow the __dev field to be moved. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- drivers/block/aoe/aoeblk.c | 2 +- drivers/block/aoe/aoecmd.c | 4 ++-- drivers/block/aoe/aoedev.c | 2 +- fs/partitions/check.c | 2 +- include/linux/genhd.h | 5 ++--- 5 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 3edb6cb7d68f..aa69556c3485 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -276,7 +276,7 @@ aoeblk_gdalloc(void *vp) gd->first_minor = d->sysminor * AOE_PARTITIONS; gd->fops = &aoe_bdops; gd->private_data = d; - gd->capacity = d->ssize; + set_capacity(gd, d->ssize); snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d", d->aoemajor, d->aoeminor); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 17eed8c025d0..934800f979c9 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -645,7 +645,7 @@ aoecmd_sleepwork(struct work_struct *work) unsigned long flags; u64 ssize; - ssize = d->gd->capacity; + ssize = get_capacity(d->gd); bd = bdget_disk(d->gd, 0); if (bd) { @@ -707,7 +707,7 @@ ataid_complete(struct aoedev *d, struct aoetgt *t, unsigned char *id) if (d->flags & (DEVFL_GDALLOC|DEVFL_NEWSIZE)) return; if (d->gd != NULL) { - d->gd->capacity = ssize; + set_capacity(d->gd, ssize); d->flags |= DEVFL_NEWSIZE; } else d->flags |= DEVFL_GDALLOC; diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index a1d813ab0d6b..6a8038d115b5 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -91,7 +91,7 @@ aoedev_downdev(struct aoedev *d) } if (d->gd) - d->gd->capacity = 0; + set_capacity(d->gd, 0); d->flags &= ~DEVFL_UP; } diff --git a/fs/partitions/check.c b/fs/partitions/check.c index b60699c271ac..902b95f1f9d5 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -586,7 +586,7 @@ void del_gendisk(struct gendisk *disk) disk_part_iter_exit(&piter); invalidate_partition(disk, 0); - disk->capacity = 0; + set_capacity(disk, 0); disk->flags &= ~GENHD_FL_UP; unlink_gendisk(disk); disk_stat_set_all(disk, 0); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9e866a2aee50..1cf828148ec6 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -138,7 +138,6 @@ struct gendisk { struct block_device_operations *fops; struct request_queue *queue; void *private_data; - sector_t capacity; int flags; struct device *driverfs_dev; // FIXME: remove @@ -411,11 +410,11 @@ static inline sector_t get_start_sect(struct block_device *bdev) } static inline sector_t get_capacity(struct gendisk *disk) { - return disk->capacity; + return disk->part0.nr_sects; } static inline void set_capacity(struct gendisk *disk, sector_t size) { - disk->capacity = size; + disk->part0.nr_sects = size; } #ifdef CONFIG_SOLARIS_X86_PARTITION -- GitLab From 548b10eb2959c96cef6fc29fc96e0931eeb53bc5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 29 Aug 2008 09:01:47 +0200 Subject: [PATCH 3170/6244] block: move __dev from disk to part0 Move disk->__dev to part0->__dev. This simplifies bdget_disk() and lookup_devt() and allows common sysfs attributes to be unified. part_to_disk() is updated to handle part0 -> disk. Updated to include a fix from Bartlomiej Zolnierkiewicz , he writes: "part0 is a "special" partition and doesn't need to have capacity set - this fixes regression caused by "block: move __dev from disk to part0" commit." Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 40 ++++++++++++---------------------------- include/linux/genhd.h | 13 ++++++++----- 2 files changed, 20 insertions(+), 33 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 65b7386c26d8..36b9f1bdd91f 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -537,22 +537,15 @@ struct gendisk *get_gendisk(dev_t devt, int *partno) */ extern struct block_device *bdget_disk(struct gendisk *disk, int partno) { - dev_t devt = MKDEV(0, 0); + struct hd_struct *part; + struct block_device *bdev = NULL; - if (partno == 0) - devt = disk_devt(disk); - else { - struct hd_struct *part; + part = disk_get_part(disk, partno); + if (part && (part->nr_sects || partno == 0)) + bdev = bdget(part_devt(part)); + disk_put_part(part); - part = disk_get_part(disk, partno); - if (part && part->nr_sects) - devt = part_devt(part); - disk_put_part(part); - } - - if (likely(devt != MKDEV(0, 0))) - return bdget(devt); - return NULL; + return bdev; } EXPORT_SYMBOL(bdget_disk); @@ -1000,27 +993,18 @@ dev_t blk_lookup_devt(const char *name, int partno) class_dev_iter_init(&iter, &block_class, NULL, &disk_type); while ((dev = class_dev_iter_next(&iter))) { struct gendisk *disk = dev_to_disk(dev); + struct hd_struct *part; if (strcmp(dev->bus_id, name)) continue; - if (partno < 0 || partno >= disk_max_parts(disk)) - continue; - - if (partno == 0) - devt = disk_devt(disk); - else { - struct hd_struct *part; - - part = disk_get_part(disk, partno); - if (!part || !part->nr_sects) { - disk_put_part(part); - continue; - } + part = disk_get_part(disk, partno); + if (part && (part->nr_sects || partno == 0)) { devt = part_devt(part); disk_put_part(part); + break; } - break; + disk_put_part(part); } class_dev_iter_exit(&iter); return devt; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 1cf828148ec6..ff293ec8b3f7 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -16,9 +16,9 @@ #ifdef CONFIG_BLOCK #define kobj_to_dev(k) container_of((k), struct device, kobj) -#define dev_to_disk(device) container_of((device), struct gendisk, __dev) +#define dev_to_disk(device) container_of((device), struct gendisk, part0.__dev) #define dev_to_part(device) container_of((device), struct hd_struct, __dev) -#define disk_to_dev(disk) (&((disk)->__dev)) +#define disk_to_dev(disk) (&(disk)->part0.__dev) #define part_to_dev(part) (&((part)->__dev)) extern struct device_type part_type; @@ -141,7 +141,6 @@ struct gendisk { int flags; struct device *driverfs_dev; // FIXME: remove - struct device __dev; struct kobject *holder_dir; struct kobject *slave_dir; @@ -164,8 +163,12 @@ struct gendisk { static inline struct gendisk *part_to_disk(struct hd_struct *part) { - if (likely(part)) - return dev_to_disk(part_to_dev(part)->parent); + if (likely(part)) { + if (part->partno) + return dev_to_disk(part_to_dev(part)->parent); + else + return dev_to_disk(part_to_dev(part)); + } return NULL; } -- GitLab From e56105214943ce5f0901d20e972a7cfd0d1d0656 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:09 +0900 Subject: [PATCH 3171/6244] block: unify sysfs size node handling Now that capacity and __dev are moved to part0, part0 and others can share the same method. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 10 +--------- fs/partitions/check.c | 4 ++-- include/linux/genhd.h | 3 +++ 3 files changed, 6 insertions(+), 11 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 36b9f1bdd91f..c70db35076a0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -760,14 +760,6 @@ static ssize_t disk_ro_show(struct device *dev, return sprintf(buf, "%d\n", disk->policy ? 1 : 0); } -static ssize_t disk_size_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct gendisk *disk = dev_to_disk(dev); - - return sprintf(buf, "%llu\n", (unsigned long long)get_capacity(disk)); -} - static ssize_t disk_capability_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -835,7 +827,7 @@ static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); static DEVICE_ATTR(ro, S_IRUGO, disk_ro_show, NULL); -static DEVICE_ATTR(size, S_IRUGO, disk_size_show, NULL); +static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL); static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL); static DEVICE_ATTR(stat, S_IRUGO, disk_stat_show, NULL); #ifdef CONFIG_FAIL_MAKE_REQUEST diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 902b95f1f9d5..24d2c56d7d2d 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -208,8 +208,8 @@ static ssize_t part_start_show(struct device *dev, return sprintf(buf, "%llu\n",(unsigned long long)p->start_sect); } -static ssize_t part_size_show(struct device *dev, - struct device_attribute *attr, char *buf) +ssize_t part_size_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); return sprintf(buf, "%llu\n",(unsigned long long)p->nr_sects); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ff293ec8b3f7..9cb8380cf0eb 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -591,6 +591,9 @@ extern void blk_register_region(dev_t devt, unsigned long range, void *data); extern void blk_unregister_region(dev_t devt, unsigned long range); +extern ssize_t part_size_show(struct device *dev, + struct device_attribute *attr, char *buf); + #else /* CONFIG_BLOCK */ static inline void printk_all_partitions(void) { } -- GitLab From b7db9956e57c8151b930d5e5fe5c766e6aad3ff7 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:10 +0900 Subject: [PATCH 3172/6244] block: move policy from disk to part0 Move disk->policy to part0->policy. Implement and use get_disk_ro(). Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 16 +++++----------- drivers/ide/ide-cd.c | 2 +- drivers/md/dm-ioctl.c | 2 +- fs/partitions/check.c | 2 +- include/linux/genhd.h | 6 +++++- 5 files changed, 13 insertions(+), 15 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index c70db35076a0..70358f3c7423 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -757,7 +757,7 @@ static ssize_t disk_ro_show(struct device *dev, { struct gendisk *disk = dev_to_disk(dev); - return sprintf(buf, "%d\n", disk->policy ? 1 : 0); + return sprintf(buf, "%d\n", get_disk_ro(disk) ? 1 : 0); } static ssize_t disk_capability_show(struct device *dev, @@ -1090,10 +1090,7 @@ EXPORT_SYMBOL(put_disk); void set_device_ro(struct block_device *bdev, int flag) { - if (bdev->bd_contains != bdev) - bdev->bd_part->policy = flag; - else - bdev->bd_disk->policy = flag; + bdev->bd_part->policy = flag; } EXPORT_SYMBOL(set_device_ro); @@ -1103,8 +1100,8 @@ void set_disk_ro(struct gendisk *disk, int flag) struct disk_part_iter piter; struct hd_struct *part; - disk->policy = flag; - disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); + disk_part_iter_init(&piter, disk, + DISK_PITER_INCL_EMPTY | DISK_PITER_INCL_PART0); while ((part = disk_part_iter_next(&piter))) part->policy = flag; disk_part_iter_exit(&piter); @@ -1116,10 +1113,7 @@ int bdev_read_only(struct block_device *bdev) { if (!bdev) return 0; - else if (bdev->bd_contains != bdev) - return bdev->bd_part->policy; - else - return bdev->bd_disk->policy; + return bdev->bd_part->policy; } EXPORT_SYMBOL(bdev_read_only); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index f16bb4667238..03c2cb6a58bc 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1113,7 +1113,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) if (write) { /* disk has become write protected */ - if (cd->disk->policy) { + if (get_disk_ro(cd->disk)) { cdrom_end_request(drive, 0); return ide_stopped; } diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index c3de311117a1..5b919159f084 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -548,7 +548,7 @@ static int __dev_status(struct mapped_device *md, struct dm_ioctl *param) */ param->open_count = dm_open_count(md); - if (disk->policy) + if (get_disk_ro(disk)) param->flags |= DM_READONLY_FLAG; param->event_nr = dm_get_event_nr(md); diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 24d2c56d7d2d..ace6d03602c7 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -375,7 +375,7 @@ int add_partition(struct gendisk *disk, int partno, p->start_sect = start; p->nr_sects = len; p->partno = partno; - p->policy = disk->policy; + p->policy = get_disk_ro(disk); dname = dev_name(ddev); if (isdigit(dname[strlen(dname) - 1])) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9cb8380cf0eb..4411bdd671dd 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -145,7 +145,6 @@ struct gendisk { struct kobject *slave_dir; struct timer_rand_state *random; - int policy; atomic_t sync_io; /* RAID */ unsigned long stamp; @@ -403,6 +402,11 @@ extern struct block_device *bdget_disk(struct gendisk *disk, int partno); extern void set_device_ro(struct block_device *bdev, int flag); extern void set_disk_ro(struct gendisk *disk, int flag); +static inline int get_disk_ro(struct gendisk *disk) +{ + return disk->part0.policy; +} + /* drivers/char/random.c */ extern void add_disk_randomness(struct gendisk *disk); extern void rand_initialize_disk(struct gendisk *disk); -- GitLab From 4c46501d1659475dc6c89554af6ce7fe6ecf615c Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:11 +0900 Subject: [PATCH 3173/6244] block: move holder_dir from disk to part0 Move disk->holder_dir to part0->holder_dir. Kill now mostly superflous bdev_get_holder(). While at it, kill superflous kobject_get/put() around holder_dir, slave_dir and cmd_filter creation and collapse disk_sysfs_add_subdirs() into register_disk(). These serve no purpose but obfuscating the code. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/cmd-filter.c | 9 ++------- fs/block_dev.c | 10 +--------- fs/partitions/check.c | 15 +++------------ include/linux/genhd.h | 1 - 4 files changed, 6 insertions(+), 29 deletions(-) diff --git a/block/cmd-filter.c b/block/cmd-filter.c index 79c14996ac11..e669aed4c6bc 100644 --- a/block/cmd-filter.c +++ b/block/cmd-filter.c @@ -211,14 +211,10 @@ int blk_register_filter(struct gendisk *disk) { int ret; struct blk_cmd_filter *filter = &disk->queue->cmd_filter; - struct kobject *parent = kobject_get(disk->holder_dir->parent); - if (!parent) - return -ENODEV; - - ret = kobject_init_and_add(&filter->kobj, &rcf_ktype, parent, + ret = kobject_init_and_add(&filter->kobj, &rcf_ktype, + &disk_to_dev(disk)->kobj, "%s", "cmd_filter"); - if (ret < 0) return ret; @@ -231,7 +227,6 @@ void blk_unregister_filter(struct gendisk *disk) struct blk_cmd_filter *filter = &disk->queue->cmd_filter; kobject_put(&filter->kobj); - kobject_put(disk->holder_dir->parent); } EXPORT_SYMBOL(blk_unregister_filter); #endif diff --git a/fs/block_dev.c b/fs/block_dev.c index c982a9107979..57d572642854 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -548,14 +548,6 @@ static struct kobject *bdev_get_kobj(struct block_device *bdev) return kobject_get(&disk_to_dev(bdev->bd_disk)->kobj); } -static struct kobject *bdev_get_holder(struct block_device *bdev) -{ - if (bdev->bd_contains != bdev) - return kobject_get(bdev->bd_part->holder_dir); - else - return kobject_get(bdev->bd_disk->holder_dir); -} - static int add_symlink(struct kobject *from, struct kobject *to) { if (!from || !to) @@ -608,7 +600,7 @@ static int bd_holder_grab_dirs(struct block_device *bdev, if (!bo->sdev) goto fail_put_hdev; - bo->hdir = bdev_get_holder(bdev); + bo->hdir = kobject_get(bdev->bd_part->holder_dir); if (!bo->hdir) goto fail_put_sdev; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index ace6d03602c7..f0f604950ff4 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -305,16 +305,6 @@ struct device_type part_type = { .release = part_release, }; -static inline void disk_sysfs_add_subdirs(struct gendisk *disk) -{ - struct kobject *k; - - k = kobject_get(&disk_to_dev(disk)->kobj); - disk->holder_dir = kobject_create_and_add("holders", k); - disk->slave_dir = kobject_create_and_add("slaves", k); - kobject_put(k); -} - static void delete_partition_rcu_cb(struct rcu_head *head) { struct hd_struct *part = container_of(head, struct hd_struct, rcu_head); @@ -464,7 +454,8 @@ void register_disk(struct gendisk *disk) return; } #endif - disk_sysfs_add_subdirs(disk); + disk->part0.holder_dir = kobject_create_and_add("holders", &ddev->kobj); + disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj); /* No minors to use for partitions */ if (!disk_partitionable(disk)) @@ -592,7 +583,7 @@ void del_gendisk(struct gendisk *disk) disk_stat_set_all(disk, 0); disk->stamp = 0; - kobject_put(disk->holder_dir); + kobject_put(disk->part0.holder_dir); kobject_put(disk->slave_dir); disk->driverfs_dev = NULL; #ifndef CONFIG_SYSFS_DEPRECATED diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 4411bdd671dd..2c0e1b597ab4 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -141,7 +141,6 @@ struct gendisk { int flags; struct device *driverfs_dev; // FIXME: remove - struct kobject *holder_dir; struct kobject *slave_dir; struct timer_rand_state *random; -- GitLab From 0762b8bde9729f10f8e6249809660ff2ec3ad735 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:12 +0900 Subject: [PATCH 3174/6244] block: always set bdev->bd_part Till now, bdev->bd_part is set only if the bdev was for parts other than part0. This patch makes bdev->bd_part always set so that code paths don't have to differenciate common handling. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-core.c | 2 +- drivers/md/md.c | 5 +--- fs/block_dev.c | 67 ++++++++++++++++++++----------------------- fs/partitions/check.c | 7 +---- include/linux/genhd.h | 2 +- 5 files changed, 35 insertions(+), 48 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index e0a5ee36849c..a4a7c08d2f20 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1274,7 +1274,7 @@ __setup("fail_make_request=", setup_fail_make_request); static int should_fail_request(struct bio *bio) { if ((bio->bi_bdev->bd_disk->flags & GENHD_FL_FAIL) || - (bio->bi_bdev->bd_part && bio->bi_bdev->bd_part->make_it_fail)) + bio->bi_bdev->bd_part->make_it_fail) return should_fail(&fail_make_request, bio->bi_size); return 0; diff --git a/drivers/md/md.c b/drivers/md/md.c index 96e9fccd2eab..2bd9cf416123 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1464,10 +1464,7 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) if ((err = kobject_add(&rdev->kobj, &mddev->kobj, "dev-%s", b))) goto fail; - if (rdev->bdev->bd_part) - ko = &part_to_dev(rdev->bdev->bd_part)->kobj; - else - ko = &disk_to_dev(rdev->bdev->bd_disk)->kobj; + ko = &part_to_dev(rdev->bdev->bd_part)->kobj; if ((err = sysfs_create_link(&rdev->kobj, ko, "block"))) { kobject_del(&rdev->kobj); goto fail; diff --git a/fs/block_dev.c b/fs/block_dev.c index 57d572642854..c3fa19bd64df 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -540,14 +540,6 @@ EXPORT_SYMBOL(bd_release); * /sys/block/sda/holders/dm-0 --> /sys/block/dm-0 */ -static struct kobject *bdev_get_kobj(struct block_device *bdev) -{ - if (bdev->bd_contains != bdev) - return kobject_get(&part_to_dev(bdev->bd_part)->kobj); - else - return kobject_get(&disk_to_dev(bdev->bd_disk)->kobj); -} - static int add_symlink(struct kobject *from, struct kobject *to) { if (!from || !to) @@ -596,7 +588,7 @@ static int bd_holder_grab_dirs(struct block_device *bdev, if (!bo->hdev) goto fail_put_sdir; - bo->sdev = bdev_get_kobj(bdev); + bo->sdev = kobject_get(&part_to_dev(bdev->bd_part)->kobj); if (!bo->sdev) goto fail_put_hdev; @@ -919,7 +911,6 @@ static int __blkdev_put(struct block_device *bdev, int for_part); static int do_open(struct block_device *bdev, struct file *file, int for_part) { - struct module *owner = NULL; struct gendisk *disk; struct hd_struct *part = NULL; int ret; @@ -941,25 +932,27 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) ret = -ENXIO; file->f_mapping = bdev->bd_inode->i_mapping; + lock_kernel(); + disk = get_gendisk(bdev->bd_dev, &partno); - if (!disk) { - unlock_kernel(); - bdput(bdev); - return ret; - } - owner = disk->fops->owner; + if (!disk) + goto out_unlock_kernel; + part = disk_get_part(disk, partno); + if (!part) + goto out_unlock_kernel; mutex_lock_nested(&bdev->bd_mutex, for_part); if (!bdev->bd_openers) { bdev->bd_disk = disk; + bdev->bd_part = part; bdev->bd_contains = bdev; if (!partno) { struct backing_dev_info *bdi; if (disk->fops->open) { ret = disk->fops->open(bdev->bd_inode, file); if (ret) - goto out_first; + goto out_clear; } if (!bdev->bd_openers) { bd_set_size(bdev,(loff_t)get_capacity(disk)<<9); @@ -975,31 +968,32 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) whole = bdget_disk(disk, 0); ret = -ENOMEM; if (!whole) - goto out_first; + goto out_clear; BUG_ON(for_part); ret = __blkdev_get(whole, file->f_mode, file->f_flags, 1); if (ret) - goto out_first; + goto out_clear; bdev->bd_contains = whole; - part = disk_get_part(disk, partno); bdev->bd_inode->i_data.backing_dev_info = whole->bd_inode->i_data.backing_dev_info; if (!(disk->flags & GENHD_FL_UP) || !part || !part->nr_sects) { ret = -ENXIO; - goto out_first; + goto out_clear; } - bdev->bd_part = part; bd_set_size(bdev, (loff_t)part->nr_sects << 9); } } else { + disk_put_part(part); put_disk(disk); - module_put(owner); + module_put(disk->fops->owner); + part = NULL; + disk = NULL; if (bdev->bd_contains == bdev) { if (bdev->bd_disk->fops->open) { ret = bdev->bd_disk->fops->open(bdev->bd_inode, file); if (ret) - goto out; + goto out_unlock_bdev; } if (bdev->bd_invalidated) rescan_partitions(bdev->bd_disk, bdev); @@ -1012,20 +1006,24 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part) unlock_kernel(); return 0; -out_first: + out_clear: bdev->bd_disk = NULL; + bdev->bd_part = NULL; bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info; if (bdev != bdev->bd_contains) __blkdev_put(bdev->bd_contains, 1); bdev->bd_contains = NULL; - put_disk(disk); - disk_put_part(part); - module_put(owner); -out: + out_unlock_bdev: mutex_unlock(&bdev->bd_mutex); + out_unlock_kernel: unlock_kernel(); - if (ret) - bdput(bdev); + + disk_put_part(part); + if (disk) + module_put(disk->fops->owner); + put_disk(disk); + bdput(bdev); + return ret; } @@ -1110,11 +1108,8 @@ static int __blkdev_put(struct block_device *bdev, int for_part) put_disk(disk); module_put(owner); - - if (bdev->bd_contains != bdev) { - disk_put_part(bdev->bd_part); - bdev->bd_part = NULL; - } + disk_put_part(bdev->bd_part); + bdev->bd_part = NULL; bdev->bd_disk = NULL; bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info; if (bdev != bdev->bd_contains) diff --git a/fs/partitions/check.c b/fs/partitions/check.c index f0f604950ff4..87298c0fc8ce 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -134,12 +134,7 @@ char *disk_name(struct gendisk *hd, int partno, char *buf) const char *bdevname(struct block_device *bdev, char *buf) { - int partno = 0; - - if (bdev->bd_part) - partno = bdev->bd_part->partno; - - return disk_name(bdev->bd_disk, partno, buf); + return disk_name(bdev->bd_disk, bdev->bd_part->partno, buf); } EXPORT_SYMBOL(bdevname); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 2c0e1b597ab4..45a3682b5d87 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -412,7 +412,7 @@ extern void rand_initialize_disk(struct gendisk *disk); static inline sector_t get_start_sect(struct block_device *bdev) { - return bdev->bd_contains == bdev ? 0 : bdev->bd_part->start_sect; + return bdev->bd_part->start_sect; } static inline sector_t get_capacity(struct gendisk *disk) { -- GitLab From eddb2e26b5ee3c5da68ba4bf1921ba20e2097bff Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:13 +0900 Subject: [PATCH 3175/6244] block: kill GENHD_FL_FAIL and use part0->make_it_fail GENHD_FL_FAIL for disk is what make_it_fail is for parts. Kill it and use part0->make_it_fail. Sysfs node handling is unified too. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-core.c | 5 +++-- block/genhd.c | 30 +----------------------------- fs/partitions/check.c | 10 +++++----- include/linux/genhd.h | 8 +++++++- 4 files changed, 16 insertions(+), 37 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index a4a7c08d2f20..505ec61067df 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1273,8 +1273,9 @@ __setup("fail_make_request=", setup_fail_make_request); static int should_fail_request(struct bio *bio) { - if ((bio->bi_bdev->bd_disk->flags & GENHD_FL_FAIL) || - bio->bi_bdev->bd_part->make_it_fail) + struct hd_struct *part = bio->bi_bdev->bd_part; + + if (part_to_disk(part)->part0.make_it_fail || part->make_it_fail) return should_fail(&fail_make_request, bio->bi_size); return 0; diff --git a/block/genhd.c b/block/genhd.c index 70358f3c7423..06a252f2b967 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -795,34 +795,6 @@ static ssize_t disk_stat_show(struct device *dev, jiffies_to_msecs(disk_stat_read(disk, time_in_queue))); } -#ifdef CONFIG_FAIL_MAKE_REQUEST -static ssize_t disk_fail_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct gendisk *disk = dev_to_disk(dev); - - return sprintf(buf, "%d\n", disk->flags & GENHD_FL_FAIL ? 1 : 0); -} - -static ssize_t disk_fail_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct gendisk *disk = dev_to_disk(dev); - int i; - - if (count > 0 && sscanf(buf, "%d", &i) > 0) { - if (i == 0) - disk->flags &= ~GENHD_FL_FAIL; - else - disk->flags |= GENHD_FL_FAIL; - } - - return count; -} - -#endif - static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); @@ -832,7 +804,7 @@ static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL); static DEVICE_ATTR(stat, S_IRUGO, disk_stat_show, NULL); #ifdef CONFIG_FAIL_MAKE_REQUEST static struct device_attribute dev_attr_fail = - __ATTR(make-it-fail, S_IRUGO|S_IWUSR, disk_fail_show, disk_fail_store); + __ATTR(make-it-fail, S_IRUGO|S_IWUSR, part_fail_show, part_fail_store); #endif static struct attribute *disk_attrs[] = { diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 87298c0fc8ce..60592d9f43b6 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -238,17 +238,17 @@ static ssize_t part_stat_show(struct device *dev, } #ifdef CONFIG_FAIL_MAKE_REQUEST -static ssize_t part_fail_show(struct device *dev, - struct device_attribute *attr, char *buf) +ssize_t part_fail_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); return sprintf(buf, "%d\n", p->make_it_fail); } -static ssize_t part_fail_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +ssize_t part_fail_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct hd_struct *p = dev_to_part(dev); int i; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 45a3682b5d87..3d15b42dc352 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -112,7 +112,6 @@ struct hd_struct { #define GENHD_FL_CD 8 #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 -#define GENHD_FL_FAIL 64 struct gendisk { /* major, first_minor, minors and ext_minors are input @@ -596,6 +595,13 @@ extern void blk_unregister_region(dev_t devt, unsigned long range); extern ssize_t part_size_show(struct device *dev, struct device_attribute *attr, char *buf); +#ifdef CONFIG_FAIL_MAKE_REQUEST +extern ssize_t part_fail_show(struct device *dev, + struct device_attribute *attr, char *buf); +extern ssize_t part_fail_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count); +#endif /* CONFIG_FAIL_MAKE_REQUEST */ #else /* CONFIG_BLOCK */ -- GitLab From 074a7aca7afa6f230104e8e65eba3420263714a5 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:14 +0900 Subject: [PATCH 3176/6244] block: move stats from disk to part0 Move stats related fields - stamp, in_flight, dkstats - from disk to part0 and unify stat handling such that... * part_stat_*() now updates part0 together if the specified partition is not part0. ie. part_stat_*() are now essentially all_stat_*(). * {disk|all}_stat_*() are gone. * part_round_stats() is updated similary. It handles part0 stats automatically and disk_round_stats() is killed. * part_{inc|dec}_in_fligh() is implemented which automatically updates part0 stats for parts other than part0. * disk_map_sector_rcu() is updated to return part0 if no part matches. Combined with the above changes, this makes NULL special case handling in callers unnecessary. * Separate stats show code paths for disk are collapsed into part stats show code paths. * Rename disk_stat_lock/unlock() to part_stat_lock/unlock() While at it, reposition stat handling macros a bit and add missing parentheses around macro parameters. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/blk-core.c | 84 ++++++++------------ block/blk-merge.c | 12 +-- block/genhd.c | 97 ++++++---------------- drivers/block/aoe/aoecmd.c | 12 +-- drivers/md/dm.c | 27 ++++--- drivers/md/linear.c | 9 ++- drivers/md/md.c | 4 +- drivers/md/multipath.c | 9 ++- drivers/md/raid0.c | 9 ++- drivers/md/raid1.c | 9 ++- drivers/md/raid10.c | 9 ++- drivers/md/raid5.c | 9 ++- fs/partitions/check.c | 12 +-- include/linux/genhd.h | 159 +++++++++++-------------------------- 14 files changed, 165 insertions(+), 296 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 505ec61067df..98138f002524 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -61,21 +61,17 @@ static void drive_stat_acct(struct request *rq, int new_io) if (!blk_fs_request(rq) || !rq->rq_disk) return; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part = disk_map_sector_rcu(rq->rq_disk, rq->sector); if (!new_io) - all_stat_inc(cpu, rq->rq_disk, part, merges[rw], rq->sector); + part_stat_inc(cpu, part, merges[rw]); else { - disk_round_stats(cpu, rq->rq_disk); - rq->rq_disk->in_flight++; - if (part) { - part_round_stats(cpu, part); - part->in_flight++; - } + part_round_stats(cpu, part); + part_inc_in_flight(part); } - disk_stat_unlock(); + part_stat_unlock(); } void blk_queue_congestion_threshold(struct request_queue *q) @@ -983,8 +979,22 @@ static inline void add_request(struct request_queue *q, struct request *req) __elv_add_request(q, req, ELEVATOR_INSERT_SORT, 0); } -/* - * disk_round_stats() - Round off the performance stats on a struct +static void part_round_stats_single(int cpu, struct hd_struct *part, + unsigned long now) +{ + if (now == part->stamp) + return; + + if (part->in_flight) { + __part_stat_add(cpu, part, time_in_queue, + part->in_flight * (now - part->stamp)); + __part_stat_add(cpu, part, io_ticks, (now - part->stamp)); + } + part->stamp = now; +} + +/** + * part_round_stats() - Round off the performance stats on a struct * disk_stats. * * The average IO queue length and utilisation statistics are maintained @@ -998,36 +1008,15 @@ static inline void add_request(struct request_queue *q, struct request *req) * /proc/diskstats. This accounts immediately for all queue usage up to * the current jiffies and restarts the counters again. */ -void disk_round_stats(int cpu, struct gendisk *disk) -{ - unsigned long now = jiffies; - - if (now == disk->stamp) - return; - - if (disk->in_flight) { - disk_stat_add(cpu, disk, time_in_queue, - disk->in_flight * (now - disk->stamp)); - disk_stat_add(cpu, disk, io_ticks, (now - disk->stamp)); - } - disk->stamp = now; -} -EXPORT_SYMBOL_GPL(disk_round_stats); - void part_round_stats(int cpu, struct hd_struct *part) { unsigned long now = jiffies; - if (now == part->stamp) - return; - - if (part->in_flight) { - part_stat_add(cpu, part, time_in_queue, - part->in_flight * (now - part->stamp)); - part_stat_add(cpu, part, io_ticks, (now - part->stamp)); - } - part->stamp = now; + if (part->partno) + part_round_stats_single(cpu, &part_to_disk(part)->part0, now); + part_round_stats_single(cpu, part, now); } +EXPORT_SYMBOL_GPL(part_round_stats); /* * queue lock must be held @@ -1567,11 +1556,10 @@ static int __end_that_request_first(struct request *req, int error, struct hd_struct *part; int cpu; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part = disk_map_sector_rcu(req->rq_disk, req->sector); - all_stat_add(cpu, req->rq_disk, part, sectors[rw], - nr_bytes >> 9, req->sector); - disk_stat_unlock(); + part_stat_add(cpu, part, sectors[rw], nr_bytes >> 9); + part_stat_unlock(); } total_bytes = bio_nbytes = 0; @@ -1758,19 +1746,15 @@ static void end_that_request_last(struct request *req, int error) struct hd_struct *part; int cpu; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part = disk_map_sector_rcu(disk, req->sector); - all_stat_inc(cpu, disk, part, ios[rw], req->sector); - all_stat_add(cpu, disk, part, ticks[rw], duration, req->sector); - disk_round_stats(cpu, disk); - disk->in_flight--; - if (part) { - part_round_stats(cpu, part); - part->in_flight--; - } + part_stat_inc(cpu, part, ios[rw]); + part_stat_add(cpu, part, ticks[rw], duration); + part_round_stats(cpu, part); + part_dec_in_flight(part); - disk_stat_unlock(); + part_stat_unlock(); } if (req->end_io) diff --git a/block/blk-merge.c b/block/blk-merge.c index d926a24bf1fd..c77196d55899 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -390,17 +390,13 @@ static int attempt_merge(struct request_queue *q, struct request *req, struct hd_struct *part; int cpu; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part = disk_map_sector_rcu(req->rq_disk, req->sector); - disk_round_stats(cpu, req->rq_disk); - req->rq_disk->in_flight--; - if (part) { - part_round_stats(cpu, part); - part->in_flight--; - } + part_round_stats(cpu, part); + part_dec_in_flight(part); - disk_stat_unlock(); + part_stat_unlock(); } req->ioprio = ioprio_best(req->ioprio, next->ioprio); diff --git a/block/genhd.c b/block/genhd.c index 06a252f2b967..e1cb96fb883e 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -176,7 +176,7 @@ EXPORT_SYMBOL_GPL(disk_part_iter_exit); * while preemption is disabled. * * RETURNS: - * Found partition on success, NULL if there's no matching partition. + * Found partition on success, part0 is returned if no partition matches */ struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector) { @@ -189,7 +189,7 @@ struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector) sector < part->start_sect + part->nr_sects) return part; } - return NULL; + return &disk->part0; } EXPORT_SYMBOL_GPL(disk_map_sector_rcu); @@ -580,24 +580,24 @@ void __init printk_all_partitions(void) * numbers in hex - the same format as the root= * option takes. */ - printk("%s %10llu %s", - bdevt_str(disk_devt(disk), devt_buf), - (unsigned long long)get_capacity(disk) >> 1, - disk_name(disk, 0, name_buf)); - if (disk->driverfs_dev != NULL && - disk->driverfs_dev->driver != NULL) - printk(" driver: %s\n", - disk->driverfs_dev->driver->name); - else - printk(" (driver?)\n"); + disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0); + while ((part = disk_part_iter_next(&piter))) { + bool is_part0 = part == &disk->part0; - /* now show the partitions */ - disk_part_iter_init(&piter, disk, 0); - while ((part = disk_part_iter_next(&piter))) - printk(" %s %10llu %s\n", + printk("%s%s %10llu %s", is_part0 ? "" : " ", bdevt_str(part_devt(part), devt_buf), (unsigned long long)part->nr_sects >> 1, disk_name(disk, part->partno, name_buf)); + if (is_part0) { + if (disk->driverfs_dev != NULL && + disk->driverfs_dev->driver != NULL) + printk(" driver: %s\n", + disk->driverfs_dev->driver->name); + else + printk(" (driver?)\n"); + } else + printk("\n"); + } disk_part_iter_exit(&piter); } class_dev_iter_exit(&iter); @@ -674,12 +674,7 @@ static int show_partition(struct seq_file *seqf, void *v) return 0; /* show the full disk and all non-0 size partitions of it */ - seq_printf(seqf, "%4d %7d %10llu %s\n", - MAJOR(disk_devt(sgp)), MINOR(disk_devt(sgp)), - (unsigned long long)get_capacity(sgp) >> 1, - disk_name(sgp, 0, buf)); - - disk_part_iter_init(&piter, sgp, 0); + disk_part_iter_init(&piter, sgp, DISK_PITER_INCL_PART0); while ((part = disk_part_iter_next(&piter))) seq_printf(seqf, "%4d %7d %10llu %s\n", MAJOR(part_devt(part)), MINOR(part_devt(part)), @@ -768,40 +763,13 @@ static ssize_t disk_capability_show(struct device *dev, return sprintf(buf, "%x\n", disk->flags); } -static ssize_t disk_stat_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct gendisk *disk = dev_to_disk(dev); - int cpu; - - cpu = disk_stat_lock(); - disk_round_stats(cpu, disk); - disk_stat_unlock(); - return sprintf(buf, - "%8lu %8lu %8llu %8u " - "%8lu %8lu %8llu %8u " - "%8u %8u %8u" - "\n", - disk_stat_read(disk, ios[READ]), - disk_stat_read(disk, merges[READ]), - (unsigned long long)disk_stat_read(disk, sectors[READ]), - jiffies_to_msecs(disk_stat_read(disk, ticks[READ])), - disk_stat_read(disk, ios[WRITE]), - disk_stat_read(disk, merges[WRITE]), - (unsigned long long)disk_stat_read(disk, sectors[WRITE]), - jiffies_to_msecs(disk_stat_read(disk, ticks[WRITE])), - disk->in_flight, - jiffies_to_msecs(disk_stat_read(disk, io_ticks)), - jiffies_to_msecs(disk_stat_read(disk, time_in_queue))); -} - static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); static DEVICE_ATTR(ro, S_IRUGO, disk_ro_show, NULL); static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL); static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL); -static DEVICE_ATTR(stat, S_IRUGO, disk_stat_show, NULL); +static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL); #ifdef CONFIG_FAIL_MAKE_REQUEST static struct device_attribute dev_attr_fail = __ATTR(make-it-fail, S_IRUGO|S_IWUSR, part_fail_show, part_fail_store); @@ -836,7 +804,7 @@ static void disk_release(struct device *dev) kfree(disk->random); kfree(disk->__part); - free_disk_stats(disk); + free_part_stats(&disk->part0); kfree(disk); } struct class block_class = { @@ -873,28 +841,11 @@ static int diskstats_show(struct seq_file *seqf, void *v) "\n\n"); */ - cpu = disk_stat_lock(); - disk_round_stats(cpu, gp); - disk_stat_unlock(); - seq_printf(seqf, "%4d %7d %s %lu %lu %llu %u %lu %lu %llu %u %u %u %u\n", - MAJOR(disk_devt(gp)), MINOR(disk_devt(gp)), - disk_name(gp, 0, buf), - disk_stat_read(gp, ios[0]), disk_stat_read(gp, merges[0]), - (unsigned long long)disk_stat_read(gp, sectors[0]), - jiffies_to_msecs(disk_stat_read(gp, ticks[0])), - disk_stat_read(gp, ios[1]), disk_stat_read(gp, merges[1]), - (unsigned long long)disk_stat_read(gp, sectors[1]), - jiffies_to_msecs(disk_stat_read(gp, ticks[1])), - gp->in_flight, - jiffies_to_msecs(disk_stat_read(gp, io_ticks)), - jiffies_to_msecs(disk_stat_read(gp, time_in_queue))); - - /* now show all non-0 size partitions of it */ - disk_part_iter_init(&piter, gp, 0); + disk_part_iter_init(&piter, gp, DISK_PITER_INCL_PART0); while ((hd = disk_part_iter_next(&piter))) { - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part_round_stats(cpu, hd); - disk_stat_unlock(); + part_stat_unlock(); seq_printf(seqf, "%4d %7d %s %lu %lu %llu " "%u %lu %lu %llu %u %u %u %u\n", MAJOR(part_devt(hd)), MINOR(part_devt(hd)), @@ -1000,7 +951,7 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) int tot_minors = minors + ext_minors; int size = tot_minors * sizeof(struct hd_struct *); - if (!init_disk_stats(disk)) { + if (!init_part_stats(&disk->part0)) { kfree(disk); return NULL; } @@ -1008,7 +959,7 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) disk->__part = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, node_id); if (!disk->__part) { - free_disk_stats(disk); + free_part_stats(&disk->part0); kfree(disk); return NULL; } diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 934800f979c9..961d29a53cab 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -758,15 +758,15 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector struct hd_struct *part; int cpu; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part = disk_map_sector_rcu(disk, sector); - all_stat_inc(cpu, disk, part, ios[rw], sector); - all_stat_add(cpu, disk, part, ticks[rw], duration, sector); - all_stat_add(cpu, disk, part, sectors[rw], n_sect, sector); - all_stat_add(cpu, disk, part, io_ticks, duration, sector); + part_stat_inc(cpu, part, ios[rw]); + part_stat_add(cpu, part, ticks[rw], duration); + part_stat_add(cpu, part, sectors[rw], n_sect); + part_stat_add(cpu, part, io_ticks, duration); - disk_stat_unlock(); + part_stat_unlock(); } void diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 637806695bb9..327de03a5bdf 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -381,10 +381,10 @@ static void start_io_acct(struct dm_io *io) io->start_time = jiffies; - cpu = disk_stat_lock(); - disk_round_stats(cpu, dm_disk(md)); - disk_stat_unlock(); - dm_disk(md)->in_flight = atomic_inc_return(&md->pending); + cpu = part_stat_lock(); + part_round_stats(cpu, &dm_disk(md)->part0); + part_stat_unlock(); + dm_disk(md)->part0.in_flight = atomic_inc_return(&md->pending); } static int end_io_acct(struct dm_io *io) @@ -395,12 +395,13 @@ static int end_io_acct(struct dm_io *io) int pending, cpu; int rw = bio_data_dir(bio); - cpu = disk_stat_lock(); - disk_round_stats(cpu, dm_disk(md)); - disk_stat_add(cpu, dm_disk(md), ticks[rw], duration); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_round_stats(cpu, &dm_disk(md)->part0); + part_stat_add(cpu, &dm_disk(md)->part0, ticks[rw], duration); + part_stat_unlock(); - dm_disk(md)->in_flight = pending = atomic_dec_return(&md->pending); + dm_disk(md)->part0.in_flight = pending = + atomic_dec_return(&md->pending); return !pending; } @@ -899,10 +900,10 @@ static int dm_request(struct request_queue *q, struct bio *bio) down_read(&md->io_lock); - cpu = disk_stat_lock(); - disk_stat_inc(cpu, dm_disk(md), ios[rw]); - disk_stat_add(cpu, dm_disk(md), sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &dm_disk(md)->part0, ios[rw]); + part_stat_add(cpu, &dm_disk(md)->part0, sectors[rw], bio_sectors(bio)); + part_stat_unlock(); /* * If we're suspended we have to queue diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 00cbc8e47294..c80ea90593d3 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -325,10 +325,11 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) return 0; } - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bio)); + part_stat_unlock(); tmp_dev = which_dev(mddev, bio->bi_sector); block = bio->bi_sector >> 1; diff --git a/drivers/md/md.c b/drivers/md/md.c index 2bd9cf416123..0a3a4bdcd4af 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5546,8 +5546,8 @@ static int is_mddev_idle(mddev_t *mddev) rcu_read_lock(); rdev_for_each_rcu(rdev, mddev) { struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = disk_stat_read(disk, sectors[0]) + - disk_stat_read(disk, sectors[1]) - + curr_events = part_stat_read(&disk->part0, sectors[0]) + + part_stat_read(&disk->part0, sectors[1]) - atomic_read(&disk->sync_io); /* sync IO will cause sync_io to increase before the disk_stats * as sync_io is counted when a request starts, and diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 182f5a94cdc5..8bb8794129b3 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -159,10 +159,11 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio) mp_bh->master_bio = bio; mp_bh->mddev = mddev; - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bio)); + part_stat_unlock(); mp_bh->path = multipath_map(conf); if (mp_bh->path < 0) { diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index e26030fa59ab..f52f442a735f 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -406,10 +406,11 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio) return 0; } - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bio)); + part_stat_unlock(); chunk_size = mddev->chunk_size >> 10; chunk_sects = mddev->chunk_size >> 9; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index babb13036f93..b9764429d856 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -804,10 +804,11 @@ static int make_request(struct request_queue *q, struct bio * bio) bitmap = mddev->bitmap; - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bio)); + part_stat_unlock(); /* * make_request() can abort the operation when READA is being diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 5ec80da0a9d7..5f990133f5ef 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -844,10 +844,11 @@ static int make_request(struct request_queue *q, struct bio * bio) */ wait_barrier(conf); - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bio)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bio)); + part_stat_unlock(); r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 5899f211515f..ae16794bef20 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3396,10 +3396,11 @@ static int make_request(struct request_queue *q, struct bio * bi) md_write_start(mddev, bi); - cpu = disk_stat_lock(); - disk_stat_inc(cpu, mddev->gendisk, ios[rw]); - disk_stat_add(cpu, mddev->gendisk, sectors[rw], bio_sectors(bi)); - disk_stat_unlock(); + cpu = part_stat_lock(); + part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]); + part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], + bio_sectors(bi)); + part_stat_unlock(); if (rw == READ && mddev->reshape_position == MaxSector && diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 60592d9f43b6..f517869e8d10 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -210,15 +210,15 @@ ssize_t part_size_show(struct device *dev, return sprintf(buf, "%llu\n",(unsigned long long)p->nr_sects); } -static ssize_t part_stat_show(struct device *dev, - struct device_attribute *attr, char *buf) +ssize_t part_stat_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct hd_struct *p = dev_to_part(dev); int cpu; - cpu = disk_stat_lock(); + cpu = part_stat_lock(); part_round_stats(cpu, p); - disk_stat_unlock(); + part_stat_unlock(); return sprintf(buf, "%8lu %8lu %8llu %8u " "%8lu %8lu %8llu %8u " @@ -575,8 +575,8 @@ void del_gendisk(struct gendisk *disk) set_capacity(disk, 0); disk->flags &= ~GENHD_FL_UP; unlink_gendisk(disk); - disk_stat_set_all(disk, 0); - disk->stamp = 0; + part_stat_set_all(&disk->part0, 0); + disk->part0.stamp = 0; kobject_put(disk->part0.holder_dir); kobject_put(disk->slave_dir); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 3d15b42dc352..c90e1b4fbe5a 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -145,13 +145,6 @@ struct gendisk { struct timer_rand_state *random; atomic_t sync_io; /* RAID */ - unsigned long stamp; - int in_flight; -#ifdef CONFIG_SMP - struct disk_stats *dkstats; -#else - struct disk_stats dkstats; -#endif struct work_struct async_notify; #ifdef CONFIG_BLK_DEV_INTEGRITY struct blk_integrity *integrity; @@ -232,46 +225,18 @@ extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, * internal use only. */ #ifdef CONFIG_SMP -#define disk_stat_lock() ({ rcu_read_lock(); get_cpu(); }) -#define disk_stat_unlock() do { put_cpu(); rcu_read_unlock(); } while (0) - -#define disk_stat_add(cpu, gendiskp, field, addnd) \ - (per_cpu_ptr(gendiskp->dkstats, cpu)->field += addnd) - -#define disk_stat_read(gendiskp, field) \ -({ \ - typeof(gendiskp->dkstats->field) res = 0; \ - int i; \ - for_each_possible_cpu(i) \ - res += per_cpu_ptr(gendiskp->dkstats, i)->field; \ - res; \ -}) - -static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) -{ - int i; - - for_each_possible_cpu(i) - memset(per_cpu_ptr(gendiskp->dkstats, i), value, - sizeof(struct disk_stats)); -} +#define part_stat_lock() ({ rcu_read_lock(); get_cpu(); }) +#define part_stat_unlock() do { put_cpu(); rcu_read_unlock(); } while (0) -#define part_stat_add(cpu, part, field, addnd) \ - (per_cpu_ptr(part->dkstats, cpu)->field += addnd) - -#define all_stat_add(cpu, gendiskp, part, field, addnd, sector) \ -({ \ - if (part) \ - part_stat_add(cpu, part, field, addnd); \ - disk_stat_add(cpu, gendiskp, field, addnd); \ -}) +#define __part_stat_add(cpu, part, field, addnd) \ + (per_cpu_ptr((part)->dkstats, (cpu))->field += (addnd)) #define part_stat_read(part, field) \ ({ \ - typeof(part->dkstats->field) res = 0; \ + typeof((part)->dkstats->field) res = 0; \ int i; \ for_each_possible_cpu(i) \ - res += per_cpu_ptr(part->dkstats, i)->field; \ + res += per_cpu_ptr((part)->dkstats, i)->field; \ res; \ }) @@ -284,109 +249,73 @@ static inline void part_stat_set_all(struct hd_struct *part, int value) sizeof(struct disk_stats)); } -#else /* !CONFIG_SMP */ -#define disk_stat_lock() ({ rcu_read_lock(); 0; }) -#define disk_stat_unlock() rcu_read_unlock() - -#define disk_stat_add(cpu, gendiskp, field, addnd) \ - (gendiskp->dkstats.field += addnd) -#define disk_stat_read(gendiskp, field) (gendiskp->dkstats.field) - -static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) +static inline int init_part_stats(struct hd_struct *part) { - memset(&gendiskp->dkstats, value, sizeof (struct disk_stats)); + part->dkstats = alloc_percpu(struct disk_stats); + if (!part->dkstats) + return 0; + return 1; } -#define part_stat_add(cpu, part, field, addnd) \ - (part->dkstats.field += addnd) - -#define all_stat_add(cpu, gendiskp, part, field, addnd, sector) \ -({ \ - if (part) \ - part_stat_add(cpu, part, field, addnd); \ - disk_stat_add(cpu, gendiskp, field, addnd); \ -}) - -#define part_stat_read(part, field) (part->dkstats.field) - -static inline void part_stat_set_all(struct hd_struct *part, int value) +static inline void free_part_stats(struct hd_struct *part) { - memset(&part->dkstats, value, sizeof(struct disk_stats)); + free_percpu(part->dkstats); } -#endif /* CONFIG_SMP */ - -#define disk_stat_dec(cpu, gendiskp, field) \ - disk_stat_add(cpu, gendiskp, field, -1) -#define disk_stat_inc(cpu, gendiskp, field) \ - disk_stat_add(cpu, gendiskp, field, 1) -#define disk_stat_sub(cpu, gendiskp, field, subnd) \ - disk_stat_add(cpu, gendiskp, field, -subnd) - -#define part_stat_dec(cpu, gendiskp, field) \ - part_stat_add(cpu, gendiskp, field, -1) -#define part_stat_inc(cpu, gendiskp, field) \ - part_stat_add(cpu, gendiskp, field, 1) -#define part_stat_sub(cpu, gendiskp, field, subnd) \ - part_stat_add(cpu, gendiskp, field, -subnd) +#else /* !CONFIG_SMP */ +#define part_stat_lock() ({ rcu_read_lock(); 0; }) +#define part_stat_unlock() rcu_read_unlock() -#define all_stat_dec(cpu, gendiskp, field, sector) \ - all_stat_add(cpu, gendiskp, field, -1, sector) -#define all_stat_inc(cpu, gendiskp, part, field, sector) \ - all_stat_add(cpu, gendiskp, part, field, 1, sector) -#define all_stat_sub(cpu, gendiskp, part, field, subnd, sector) \ - all_stat_add(cpu, gendiskp, part, field, -subnd, sector) +#define __part_stat_add(cpu, part, field, addnd) \ + ((part)->dkstats.field += addnd) -/* Inlines to alloc and free disk stats in struct gendisk */ -#ifdef CONFIG_SMP -static inline int init_disk_stats(struct gendisk *disk) -{ - disk->dkstats = alloc_percpu(struct disk_stats); - if (!disk->dkstats) - return 0; - return 1; -} +#define part_stat_read(part, field) ((part)->dkstats.field) -static inline void free_disk_stats(struct gendisk *disk) +static inline void part_stat_set_all(struct hd_struct *part, int value) { - free_percpu(disk->dkstats); + memset(&part->dkstats, value, sizeof(struct disk_stats)); } static inline int init_part_stats(struct hd_struct *part) { - part->dkstats = alloc_percpu(struct disk_stats); - if (!part->dkstats) - return 0; return 1; } static inline void free_part_stats(struct hd_struct *part) { - free_percpu(part->dkstats); } -#else /* CONFIG_SMP */ -static inline int init_disk_stats(struct gendisk *disk) -{ - return 1; -} +#endif /* CONFIG_SMP */ -static inline void free_disk_stats(struct gendisk *disk) -{ -} +#define part_stat_add(cpu, part, field, addnd) do { \ + __part_stat_add((cpu), (part), field, addnd); \ + if ((part)->partno) \ + __part_stat_add((cpu), &part_to_disk((part))->part0, \ + field, addnd); \ +} while (0) -static inline int init_part_stats(struct hd_struct *part) +#define part_stat_dec(cpu, gendiskp, field) \ + part_stat_add(cpu, gendiskp, field, -1) +#define part_stat_inc(cpu, gendiskp, field) \ + part_stat_add(cpu, gendiskp, field, 1) +#define part_stat_sub(cpu, gendiskp, field, subnd) \ + part_stat_add(cpu, gendiskp, field, -subnd) + +static inline void part_inc_in_flight(struct hd_struct *part) { - return 1; + part->in_flight++; + if (part->partno) + part_to_disk(part)->part0.in_flight++; } -static inline void free_part_stats(struct hd_struct *part) +static inline void part_dec_in_flight(struct hd_struct *part) { + part->in_flight--; + if (part->partno) + part_to_disk(part)->part0.in_flight--; } -#endif /* CONFIG_SMP */ /* drivers/block/ll_rw_blk.c */ -extern void disk_round_stats(int cpu, struct gendisk *disk); extern void part_round_stats(int cpu, struct hd_struct *part); /* drivers/block/genhd.c */ @@ -595,6 +524,8 @@ extern void blk_unregister_region(dev_t devt, unsigned long range); extern ssize_t part_size_show(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t part_stat_show(struct device *dev, + struct device_attribute *attr, char *buf); #ifdef CONFIG_FAIL_MAKE_REQUEST extern ssize_t part_fail_show(struct device *dev, struct device_attribute *attr, char *buf); -- GitLab From 540eed5637b766bb1e881ef744c42617760b4815 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:15 +0900 Subject: [PATCH 3177/6244] block: make partition array dynamic disk->__part used to be statically allocated to the maximum possible number of partitions. This patch makes partition array allocation dynamic. The added overhead is minimal as only real change is one memory dereference changed to RCU one. This saves both a bit of memory and cpu cycles iterating through unoccupied slots and makes increasing partition limit easier. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 129 +++++++++++++++++++++++++++++++++++------- block/ioctl.c | 2 +- fs/partitions/check.c | 31 ++++++++-- include/linux/genhd.h | 19 ++++++- 4 files changed, 154 insertions(+), 27 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index e1cb96fb883e..c2b14aa69d58 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -52,14 +52,21 @@ static struct device_type disk_type; */ struct hd_struct *disk_get_part(struct gendisk *disk, int partno) { - struct hd_struct *part; + struct hd_struct *part = NULL; + struct disk_part_tbl *ptbl; - if (unlikely(partno < 0 || partno >= disk_max_parts(disk))) + if (unlikely(partno < 0)) return NULL; + rcu_read_lock(); - part = rcu_dereference(disk->__part[partno]); - if (part) - get_device(part_to_dev(part)); + + ptbl = rcu_dereference(disk->part_tbl); + if (likely(partno < ptbl->len)) { + part = rcu_dereference(ptbl->part[partno]); + if (part) + get_device(part_to_dev(part)); + } + rcu_read_unlock(); return part; @@ -80,17 +87,24 @@ EXPORT_SYMBOL_GPL(disk_get_part); void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk, unsigned int flags) { + struct disk_part_tbl *ptbl; + + rcu_read_lock(); + ptbl = rcu_dereference(disk->part_tbl); + piter->disk = disk; piter->part = NULL; if (flags & DISK_PITER_REVERSE) - piter->idx = disk_max_parts(piter->disk) - 1; + piter->idx = ptbl->len - 1; else if (flags & DISK_PITER_INCL_PART0) piter->idx = 0; else piter->idx = 1; piter->flags = flags; + + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(disk_part_iter_init); @@ -105,13 +119,16 @@ EXPORT_SYMBOL_GPL(disk_part_iter_init); */ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) { + struct disk_part_tbl *ptbl; int inc, end; /* put the last partition */ disk_put_part(piter->part); piter->part = NULL; + /* get part_tbl */ rcu_read_lock(); + ptbl = rcu_dereference(piter->disk->part_tbl); /* determine iteration parameters */ if (piter->flags & DISK_PITER_REVERSE) { @@ -122,14 +139,14 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) end = 0; } else { inc = 1; - end = disk_max_parts(piter->disk); + end = ptbl->len; } /* iterate to the next partition */ for (; piter->idx != end; piter->idx += inc) { struct hd_struct *part; - part = rcu_dereference(piter->disk->__part[piter->idx]); + part = rcu_dereference(ptbl->part[piter->idx]); if (!part) continue; if (!(piter->flags & DISK_PITER_INCL_EMPTY) && !part->nr_sects) @@ -180,10 +197,13 @@ EXPORT_SYMBOL_GPL(disk_part_iter_exit); */ struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector) { + struct disk_part_tbl *ptbl; int i; - for (i = 1; i < disk_max_parts(disk); i++) { - struct hd_struct *part = rcu_dereference(disk->__part[i]); + ptbl = rcu_dereference(disk->part_tbl); + + for (i = 1; i < ptbl->len; i++) { + struct hd_struct *part = rcu_dereference(ptbl->part[i]); if (part && part->start_sect <= sector && sector < part->start_sect + part->nr_sects) @@ -798,12 +818,86 @@ static struct attribute_group *disk_attr_groups[] = { NULL }; +static void disk_free_ptbl_rcu_cb(struct rcu_head *head) +{ + struct disk_part_tbl *ptbl = + container_of(head, struct disk_part_tbl, rcu_head); + + kfree(ptbl); +} + +/** + * disk_replace_part_tbl - replace disk->part_tbl in RCU-safe way + * @disk: disk to replace part_tbl for + * @new_ptbl: new part_tbl to install + * + * Replace disk->part_tbl with @new_ptbl in RCU-safe way. The + * original ptbl is freed using RCU callback. + * + * LOCKING: + * Matching bd_mutx locked. + */ +static void disk_replace_part_tbl(struct gendisk *disk, + struct disk_part_tbl *new_ptbl) +{ + struct disk_part_tbl *old_ptbl = disk->part_tbl; + + rcu_assign_pointer(disk->part_tbl, new_ptbl); + if (old_ptbl) + call_rcu(&old_ptbl->rcu_head, disk_free_ptbl_rcu_cb); +} + +/** + * disk_expand_part_tbl - expand disk->part_tbl + * @disk: disk to expand part_tbl for + * @partno: expand such that this partno can fit in + * + * Expand disk->part_tbl such that @partno can fit in. disk->part_tbl + * uses RCU to allow unlocked dereferencing for stats and other stuff. + * + * LOCKING: + * Matching bd_mutex locked, might sleep. + * + * RETURNS: + * 0 on success, -errno on failure. + */ +int disk_expand_part_tbl(struct gendisk *disk, int partno) +{ + struct disk_part_tbl *old_ptbl = disk->part_tbl; + struct disk_part_tbl *new_ptbl; + int len = old_ptbl ? old_ptbl->len : 0; + int target = partno + 1; + size_t size; + int i; + + /* disk_max_parts() is zero during initialization, ignore if so */ + if (disk_max_parts(disk) && target > disk_max_parts(disk)) + return -EINVAL; + + if (target <= len) + return 0; + + size = sizeof(*new_ptbl) + target * sizeof(new_ptbl->part[0]); + new_ptbl = kzalloc_node(size, GFP_KERNEL, disk->node_id); + if (!new_ptbl) + return -ENOMEM; + + INIT_RCU_HEAD(&new_ptbl->rcu_head); + new_ptbl->len = target; + + for (i = 0; i < len; i++) + rcu_assign_pointer(new_ptbl->part[i], old_ptbl->part[i]); + + disk_replace_part_tbl(disk, new_ptbl); + return 0; +} + static void disk_release(struct device *dev) { struct gendisk *disk = dev_to_disk(dev); kfree(disk->random); - kfree(disk->__part); + disk_replace_part_tbl(disk, NULL); free_part_stats(&disk->part0); kfree(disk); } @@ -948,22 +1042,16 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) disk = kmalloc_node(sizeof(struct gendisk), GFP_KERNEL | __GFP_ZERO, node_id); if (disk) { - int tot_minors = minors + ext_minors; - int size = tot_minors * sizeof(struct hd_struct *); - if (!init_part_stats(&disk->part0)) { kfree(disk); return NULL; } - - disk->__part = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, - node_id); - if (!disk->__part) { - free_part_stats(&disk->part0); + if (disk_expand_part_tbl(disk, 0)) { + free_part_stats(&disk->part0); kfree(disk); return NULL; } - disk->__part[0] = &disk->part0; + disk->part_tbl->part[0] = &disk->part0; disk->minors = minors; disk->ext_minors = ext_minors; @@ -973,6 +1061,7 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) device_initialize(disk_to_dev(disk)); INIT_WORK(&disk->async_notify, media_change_notify_thread); + disk->node_id = node_id; } return disk; } diff --git a/block/ioctl.c b/block/ioctl.c index 64e7c67a64b0..38bee321e1fa 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -30,7 +30,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user if (bdev != bdev->bd_contains) return -EINVAL; partno = p.pno; - if (partno <= 0 || partno >= disk_max_parts(disk)) + if (partno <= 0) return -EINVAL; switch (a.op) { case BLKPG_ADD_PARTITION: diff --git a/fs/partitions/check.c b/fs/partitions/check.c index f517869e8d10..772b2ed8d239 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -312,14 +312,18 @@ static void delete_partition_rcu_cb(struct rcu_head *head) void delete_partition(struct gendisk *disk, int partno) { + struct disk_part_tbl *ptbl = disk->part_tbl; struct hd_struct *part; - part = disk->__part[partno]; + if (partno >= ptbl->len) + return; + + part = ptbl->part[partno]; if (!part) return; blk_free_devt(part_devt(part)); - rcu_assign_pointer(disk->__part[partno], NULL); + rcu_assign_pointer(ptbl->part[partno], NULL); kobject_put(part->holder_dir); device_del(part_to_dev(part)); @@ -341,10 +345,16 @@ int add_partition(struct gendisk *disk, int partno, dev_t devt = MKDEV(0, 0); struct device *ddev = disk_to_dev(disk); struct device *pdev; + struct disk_part_tbl *ptbl; const char *dname; int err; - if (disk->__part[partno]) + err = disk_expand_part_tbl(disk, partno); + if (err) + return err; + ptbl = disk->part_tbl; + + if (ptbl->part[partno]) return -EBUSY; p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -398,7 +408,7 @@ int add_partition(struct gendisk *disk, int partno, /* everything is up and running, commence */ INIT_RCU_HEAD(&p->rcu_head); - rcu_assign_pointer(disk->__part[partno], p); + rcu_assign_pointer(ptbl->part[partno], p); /* suppress uevent if the disk supresses it */ if (!ddev->uevent_suppress) @@ -487,7 +497,7 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) struct disk_part_iter piter; struct hd_struct *part; struct parsed_partitions *state; - int p, res; + int p, highest, res; if (bdev->bd_part_count) return -EBUSY; @@ -511,6 +521,17 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) /* tell userspace that the media / partition table may have changed */ kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE); + /* Detect the highest partition number and preallocate + * disk->part_tbl. This is an optimization and not strictly + * necessary. + */ + for (p = 1, highest = 0; p < state->limit; p++) + if (state->parts[p].size) + highest = p; + + disk_expand_part_tbl(disk, highest); + + /* add partitions */ for (p = 1; p < state->limit; p++) { sector_t size = state->parts[p].size; sector_t from = state->parts[p].from; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index c90e1b4fbe5a..ecf649c3deed 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -113,6 +113,21 @@ struct hd_struct { #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 +#define BLK_SCSI_MAX_CMDS (256) +#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) + +struct blk_scsi_cmd_filter { + unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; + unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; + struct kobject kobj; +}; + +struct disk_part_tbl { + struct rcu_head rcu_head; + int len; + struct hd_struct *part[]; +}; + struct gendisk { /* major, first_minor, minors and ext_minors are input * parameters only, don't use directly. Use disk_devt() and @@ -131,7 +146,7 @@ struct gendisk { * non-critical accesses use RCU. Always access through * helpers. */ - struct hd_struct **__part; + struct disk_part_tbl *part_tbl; struct hd_struct part0; struct block_device_operations *fops; @@ -149,6 +164,7 @@ struct gendisk { #ifdef CONFIG_BLK_DEV_INTEGRITY struct blk_integrity *integrity; #endif + int node_id; }; static inline struct gendisk *part_to_disk(struct hd_struct *part) @@ -503,6 +519,7 @@ extern void blk_free_devt(dev_t devt); extern dev_t blk_lookup_devt(const char *name, int partno); extern char *disk_name (struct gendisk *hd, int partno, char *buf); +extern int disk_expand_part_tbl(struct gendisk *disk, int target); extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int); extern void delete_partition(struct gendisk *, int); -- GitLab From 689d6fac40b41c7bf154f362deaf442548e4dc81 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:16 +0900 Subject: [PATCH 3178/6244] block: replace @ext_minors with GENHD_FL_EXT_DEVT With previous changes, it's meaningless to limit the number of partitions. Replace @ext_minors with GENHD_FL_EXT_DEVT such that setting the flag allows the disk to have maximum number of allowed partitions (only limited by the number of entries in parsed_partitions as determined by MAX_PART constant). This kills not-too-pretty alloc_disk_ext[_node]() functions and makes @minors parameter to alloc_disk[_node]() unnecessary. The parameter is left alone to avoid disturbing the users. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 16 +--------------- drivers/ide/ide-disk.c | 14 +++++--------- drivers/scsi/sd.c | 9 ++------- fs/partitions/check.h | 4 +--- include/linux/genhd.h | 16 ++++++++-------- 5 files changed, 17 insertions(+), 42 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index c2b14aa69d58..eedab5b4685b 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1024,18 +1024,9 @@ struct gendisk *alloc_disk(int minors) { return alloc_disk_node(minors, -1); } +EXPORT_SYMBOL(alloc_disk); struct gendisk *alloc_disk_node(int minors, int node_id) -{ - return alloc_disk_ext_node(minors, 0, node_id); -} - -struct gendisk *alloc_disk_ext(int minors, int ext_minors) -{ - return alloc_disk_ext_node(minors, ext_minors, -1); -} - -struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) { struct gendisk *disk; @@ -1054,7 +1045,6 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) disk->part_tbl->part[0] = &disk->part0; disk->minors = minors; - disk->ext_minors = ext_minors; rand_initialize_disk(disk); disk_to_dev(disk)->class = &block_class; disk_to_dev(disk)->type = &disk_type; @@ -1065,11 +1055,7 @@ struct gendisk *alloc_disk_ext_node(int minors, int ext_minors, int node_id) } return disk; } - -EXPORT_SYMBOL(alloc_disk); EXPORT_SYMBOL(alloc_disk_node); -EXPORT_SYMBOL(alloc_disk_ext); -EXPORT_SYMBOL(alloc_disk_ext_node); struct kobject *get_disk(struct gendisk *disk) { diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index a072df5053ae..29c8ae752683 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -41,16 +41,12 @@ #include #include -#define IDE_DISK_PARTS (1 << PARTN_BITS) - #if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) -#define IDE_DISK_MINORS IDE_DISK_PARTS +#define IDE_DISK_MINORS (1 << PARTN_BITS) #else #define IDE_DISK_MINORS 1 #endif -#define IDE_DISK_EXT_MINORS (IDE_DISK_PARTS - IDE_DISK_MINORS) - struct ide_disk_obj { ide_drive_t *drive; ide_driver_t *driver; @@ -1161,8 +1157,7 @@ static int ide_disk_probe(ide_drive_t *drive) if (!idkp) goto failed; - g = alloc_disk_ext_node(IDE_DISK_MINORS, IDE_DISK_EXT_MINORS, - hwif_to_node(drive->hwif)); + g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif)); if (!g) goto out_free_idkp; @@ -1189,9 +1184,10 @@ static int ide_disk_probe(ide_drive_t *drive) drive->attach = 1; g->minors = IDE_DISK_MINORS; - g->ext_minors = IDE_DISK_EXT_MINORS; g->driverfs_dev = &drive->gendev; - g->flags = drive->removable ? GENHD_FL_REMOVABLE : 0; + g->flags |= GENHD_FL_EXT_DEVT; + if (drive->removable) + g->flags |= GENHD_FL_REMOVABLE; set_capacity(g, idedisk_capacity(drive)); g->fops = &idedisk_ops; add_disk(g); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 280d231a86ed..6598024531dd 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -86,16 +86,12 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_DISK); MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD); MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC); -#define SD_PARTS 64 - #if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) #define SD_MINORS 16 #else #define SD_MINORS 1 #endif -#define SD_EXT_MINORS (SD_PARTS - SD_MINORS) - static int sd_revalidate_disk(struct gendisk *); static int sd_probe(struct device *); static int sd_remove(struct device *); @@ -1811,7 +1807,7 @@ static int sd_probe(struct device *dev) if (!sdkp) goto out; - gd = alloc_disk_ext(SD_MINORS, SD_EXT_MINORS); + gd = alloc_disk(SD_MINORS); if (!gd) goto out_free; @@ -1856,7 +1852,6 @@ static int sd_probe(struct device *dev) gd->major = sd_major((index & 0xf0) >> 4); gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); gd->minors = SD_MINORS; - gd->ext_minors = SD_EXT_MINORS; gd->fops = &sd_fops; if (index < 26) { @@ -1880,7 +1875,7 @@ static int sd_probe(struct device *dev) blk_queue_prep_rq(sdp->request_queue, sd_prep_fn); gd->driverfs_dev = &sdp->sdev_gendev; - gd->flags = GENHD_FL_DRIVERFS; + gd->flags = GENHD_FL_EXT_DEVT | GENHD_FL_DRIVERFS; if (sdp->removable) gd->flags |= GENHD_FL_REMOVABLE; diff --git a/fs/partitions/check.h b/fs/partitions/check.h index 17ae8ecd9e8b..98dbe1a84528 100644 --- a/fs/partitions/check.h +++ b/fs/partitions/check.h @@ -5,15 +5,13 @@ * add_gd_partition adds a partitions details to the devices partition * description. */ -enum { MAX_PART = 256 }; - struct parsed_partitions { char name[BDEVNAME_SIZE]; struct { sector_t from; sector_t size; int flags; - } parts[MAX_PART]; + } parts[DISK_MAX_PARTS]; int next; int limit; }; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ecf649c3deed..04524c213de1 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -58,6 +58,8 @@ enum { UNIXWARE_PARTITION = 0x63, /* Same as GNU_HURD and SCO Unix */ }; +#define DISK_MAX_PARTS 256 + #include #include #include @@ -112,6 +114,7 @@ struct hd_struct { #define GENHD_FL_CD 8 #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 +#define GENHD_FL_EXT_DEVT 64 /* allow extended devt */ #define BLK_SCSI_MAX_CMDS (256) #define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) @@ -129,15 +132,13 @@ struct disk_part_tbl { }; struct gendisk { - /* major, first_minor, minors and ext_minors are input - * parameters only, don't use directly. Use disk_devt() and - * disk_max_parts(). + /* major, first_minor and minors are input parameters only, + * don't use directly. Use disk_devt() and disk_max_parts(). */ int major; /* major number of driver */ int first_minor; int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ - int ext_minors; /* number of extended dynamic minors */ char disk_name[32]; /* name of major driver */ @@ -180,7 +181,9 @@ static inline struct gendisk *part_to_disk(struct hd_struct *part) static inline int disk_max_parts(struct gendisk *disk) { - return disk->minors + disk->ext_minors; + if (disk->flags & GENHD_FL_EXT_DEVT) + return DISK_MAX_PARTS; + return disk->minors; } static inline bool disk_partitionable(struct gendisk *disk) @@ -527,9 +530,6 @@ extern void printk_all_partitions(void); extern struct gendisk *alloc_disk_node(int minors, int node_id); extern struct gendisk *alloc_disk(int minors); -extern struct gendisk *alloc_disk_ext_node(int minors, int ext_minrs, - int node_id); -extern struct gendisk *alloc_disk_ext(int minors, int ext_minors); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); extern void blk_register_region(dev_t devt, unsigned long range, -- GitLab From 3e1a7ff8a0a7b948f2684930166954f9e8e776fe Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 25 Aug 2008 19:56:17 +0900 Subject: [PATCH 3179/6244] block: allow disk to have extended device number Now that disk and partition handlings are mostly unified, it's easy to allow disk to have extended device number. This patch makes add_disk() use extended device number if disk->minors is zero. Both sd and ide-disk are updated to use this. * sd_format_disk_name() is implemented which can generically determine the drive name. This removes disk number restriction stemming from limited device names. * If sd index goes over SD_MAX_DISKS (which can be increased now BTW), sd simply doesn't initialize minors letting block layer choose extended device number. * If CONFIG_DEBUG_EXT_DEVT is set, both sd and ide-disk always set minors to 0 and use extended device numbers. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 25 +++++++++++++- drivers/ide/ide-disk.c | 2 +- drivers/scsi/sd.c | 74 ++++++++++++++++++++++++++++++------------ fs/partitions/check.c | 1 + include/linux/genhd.h | 3 +- 5 files changed, 82 insertions(+), 23 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index eedab5b4685b..d9de3e482d1e 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -478,14 +478,37 @@ static int exact_lock(dev_t devt, void *data) * * This function registers the partitioning information in @disk * with the kernel. + * + * FIXME: error handling */ void add_disk(struct gendisk *disk) { struct backing_dev_info *bdi; + dev_t devt; int retval; + /* minors == 0 indicates to use ext devt from part0 and should + * be accompanied with EXT_DEVT flag. Make sure all + * parameters make sense. + */ + WARN_ON(disk->minors && !(disk->major || disk->first_minor)); + WARN_ON(!disk->minors && !(disk->flags & GENHD_FL_EXT_DEVT)); + disk->flags |= GENHD_FL_UP; - disk_to_dev(disk)->devt = MKDEV(disk->major, disk->first_minor); + + retval = blk_alloc_devt(&disk->part0, &devt); + if (retval) { + WARN_ON(1); + return; + } + disk_to_dev(disk)->devt = devt; + + /* ->major and ->first_minor aren't supposed to be + * dereferenced from here on, but set them just in case. + */ + disk->major = MAJOR(devt); + disk->first_minor = MINOR(devt); + blk_register_region(disk_devt(disk), disk->minors, NULL, exact_match, exact_lock, disk); register_disk(disk); diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 29c8ae752683..33ea8c048717 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -44,7 +44,7 @@ #if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) #define IDE_DISK_MINORS (1 << PARTN_BITS) #else -#define IDE_DISK_MINORS 1 +#define IDE_DISK_MINORS 0 #endif struct ide_disk_obj { diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 6598024531dd..bcb04b2a7676 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -89,7 +89,7 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC); #if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT) #define SD_MINORS 16 #else -#define SD_MINORS 1 +#define SD_MINORS 0 #endif static int sd_revalidate_disk(struct gendisk *); @@ -1769,6 +1769,52 @@ static int sd_revalidate_disk(struct gendisk *disk) return 0; } +/** + * sd_format_disk_name - format disk name + * @prefix: name prefix - ie. "sd" for SCSI disks + * @index: index of the disk to format name for + * @buf: output buffer + * @buflen: length of the output buffer + * + * SCSI disk names starts at sda. The 26th device is sdz and the + * 27th is sdaa. The last one for two lettered suffix is sdzz + * which is followed by sdaaa. + * + * This is basically 26 base counting with one extra 'nil' entry + * at the beggining from the second digit on and can be + * determined using similar method as 26 base conversion with the + * index shifted -1 after each digit is computed. + * + * CONTEXT: + * Don't care. + * + * RETURNS: + * 0 on success, -errno on failure. + */ +static int sd_format_disk_name(char *prefix, int index, char *buf, int buflen) +{ + const int base = 'z' - 'a' + 1; + char *begin = buf + strlen(prefix); + char *end = buf + buflen; + char *p; + int unit; + + p = end - 1; + *p = '\0'; + unit = base; + do { + if (p == begin) + return -EINVAL; + *--p = 'a' + (index % unit); + index = (index / unit) - 1; + } while (index >= 0); + + memmove(begin, p, end - p); + memcpy(buf, prefix, strlen(prefix)); + + return 0; +} + /** * sd_probe - called during driver initialization and whenever a * new scsi device is attached to the system. It is called once @@ -1821,8 +1867,8 @@ static int sd_probe(struct device *dev) if (error) goto out_put; - error = -EBUSY; - if (index >= SD_MAX_DISKS) + error = sd_format_disk_name("sd", index, gd->disk_name, DISK_NAME_LEN); + if (error) goto out_free_index; sdkp->device = sdp; @@ -1849,24 +1895,12 @@ static int sd_probe(struct device *dev) get_device(&sdp->sdev_gendev); - gd->major = sd_major((index & 0xf0) >> 4); - gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); - gd->minors = SD_MINORS; - gd->fops = &sd_fops; - - if (index < 26) { - sprintf(gd->disk_name, "sd%c", 'a' + index % 26); - } else if (index < (26 + 1) * 26) { - sprintf(gd->disk_name, "sd%c%c", - 'a' + index / 26 - 1,'a' + index % 26); - } else { - const unsigned int m1 = (index / 26 - 1) / 26 - 1; - const unsigned int m2 = (index / 26 - 1) % 26; - const unsigned int m3 = index % 26; - sprintf(gd->disk_name, "sd%c%c%c", - 'a' + m1, 'a' + m2, 'a' + m3); + if (index < SD_MAX_DISKS) { + gd->major = sd_major((index & 0xf0) >> 4); + gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00); + gd->minors = SD_MINORS; } - + gd->fops = &sd_fops; gd->private_data = &sdkp->driver; gd->queue = sdkp->device->request_queue; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 772b2ed8d239..0e411603fdf5 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -593,6 +593,7 @@ void del_gendisk(struct gendisk *disk) disk_part_iter_exit(&piter); invalidate_partition(disk, 0); + blk_free_devt(disk_to_dev(disk)->devt); set_capacity(disk, 0); disk->flags &= ~GENHD_FL_UP; unlink_gendisk(disk); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 04524c213de1..206cdf96c3a7 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -59,6 +59,7 @@ enum { }; #define DISK_MAX_PARTS 256 +#define DISK_NAME_LEN 32 #include #include @@ -140,7 +141,7 @@ struct gendisk { int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ - char disk_name[32]; /* name of major driver */ + char disk_name[DISK_NAME_LEN]; /* name of major driver */ /* Array of pointers to partitions indexed by partno. * Protected with matching bdev lock but stat and other -- GitLab From 0835da67c11e879ed5dc23160934d8970470a2ce Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 26 Aug 2008 09:15:47 +0200 Subject: [PATCH 3180/6244] block: use linux/uaccess.h in elevator.c instead of asm variant Signed-off-by: Jens Axboe --- block/elevator.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 269615e6dbf5..8e3fc3afc77b 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -34,8 +34,7 @@ #include #include #include - -#include +#include static DEFINE_SPINLOCK(elv_list_lock); static LIST_HEAD(elv_list); -- GitLab From b646fc59b332ef307895558c9cd1359dc2d25813 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Mon, 28 Jul 2008 13:06:00 +0200 Subject: [PATCH 3181/6244] block: split softirq handling into blk-softirq.c Signed-off-by: Jens Axboe --- block/Makefile | 4 +- block/blk-core.c | 88 ------------------------------------- block/blk-softirq.c | 103 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 105 insertions(+), 90 deletions(-) create mode 100644 block/blk-softirq.c diff --git a/block/Makefile b/block/Makefile index 208000b0750d..0da976ce67dd 100644 --- a/block/Makefile +++ b/block/Makefile @@ -4,8 +4,8 @@ obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \ blk-barrier.o blk-settings.o blk-ioc.o blk-map.o \ - blk-exec.o blk-merge.o ioctl.o genhd.o scsi_ioctl.o \ - cmd-filter.o + blk-exec.o blk-merge.o blk-softirq.o ioctl.o genhd.o \ + scsi_ioctl.o cmd-filter.o obj-$(CONFIG_BLK_DEV_BSG) += bsg.o obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o diff --git a/block/blk-core.c b/block/blk-core.c index 98138f002524..527b3382a610 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -26,8 +26,6 @@ #include #include #include -#include -#include #include #include @@ -50,8 +48,6 @@ struct kmem_cache *blk_requestq_cachep; */ static struct workqueue_struct *kblockd_workqueue; -static DEFINE_PER_CPU(struct list_head, blk_cpu_done); - static void drive_stat_acct(struct request *rq, int new_io) { struct hd_struct *part; @@ -1643,82 +1639,6 @@ static int __end_that_request_first(struct request *req, int error, return 1; } -/* - * splice the completion data to a local structure and hand off to - * process_completion_queue() to complete the requests - */ -static void blk_done_softirq(struct softirq_action *h) -{ - struct list_head *cpu_list, local_list; - - local_irq_disable(); - cpu_list = &__get_cpu_var(blk_cpu_done); - list_replace_init(cpu_list, &local_list); - local_irq_enable(); - - while (!list_empty(&local_list)) { - struct request *rq; - - rq = list_entry(local_list.next, struct request, donelist); - list_del_init(&rq->donelist); - rq->q->softirq_done_fn(rq); - } -} - -static int __cpuinit blk_cpu_notify(struct notifier_block *self, - unsigned long action, void *hcpu) -{ - /* - * If a CPU goes away, splice its entries to the current CPU - * and trigger a run of the softirq - */ - if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) { - int cpu = (unsigned long) hcpu; - - local_irq_disable(); - list_splice_init(&per_cpu(blk_cpu_done, cpu), - &__get_cpu_var(blk_cpu_done)); - raise_softirq_irqoff(BLOCK_SOFTIRQ); - local_irq_enable(); - } - - return NOTIFY_OK; -} - - -static struct notifier_block blk_cpu_notifier __cpuinitdata = { - .notifier_call = blk_cpu_notify, -}; - -/** - * blk_complete_request - end I/O on a request - * @req: the request being processed - * - * Description: - * Ends all I/O on a request. It does not handle partial completions, - * unless the driver actually implements this in its completion callback - * through requeueing. The actual completion happens out-of-order, - * through a softirq handler. The user must have registered a completion - * callback through blk_queue_softirq_done(). - **/ - -void blk_complete_request(struct request *req) -{ - struct list_head *cpu_list; - unsigned long flags; - - BUG_ON(!req->q->softirq_done_fn); - - local_irq_save(flags); - - cpu_list = &__get_cpu_var(blk_cpu_done); - list_add_tail(&req->donelist, cpu_list); - raise_softirq_irqoff(BLOCK_SOFTIRQ); - - local_irq_restore(flags); -} -EXPORT_SYMBOL(blk_complete_request); - /* * queue lock must be held */ @@ -2053,8 +1973,6 @@ EXPORT_SYMBOL(kblockd_flush_work); int __init blk_dev_init(void) { - int i; - kblockd_workqueue = create_workqueue("kblockd"); if (!kblockd_workqueue) panic("Failed to create kblockd\n"); @@ -2065,12 +1983,6 @@ int __init blk_dev_init(void) blk_requestq_cachep = kmem_cache_create("blkdev_queue", sizeof(struct request_queue), 0, SLAB_PANIC, NULL); - for_each_possible_cpu(i) - INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i)); - - open_softirq(BLOCK_SOFTIRQ, blk_done_softirq); - register_hotcpu_notifier(&blk_cpu_notifier); - return 0; } diff --git a/block/blk-softirq.c b/block/blk-softirq.c new file mode 100644 index 000000000000..9e1c43bff662 --- /dev/null +++ b/block/blk-softirq.c @@ -0,0 +1,103 @@ +/* + * Functions related to softirq rq completions + */ +#include +#include +#include +#include +#include +#include +#include + +#include "blk.h" + +static DEFINE_PER_CPU(struct list_head, blk_cpu_done); + +static int __cpuinit blk_cpu_notify(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + /* + * If a CPU goes away, splice its entries to the current CPU + * and trigger a run of the softirq + */ + if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) { + int cpu = (unsigned long) hcpu; + + local_irq_disable(); + list_splice_init(&per_cpu(blk_cpu_done, cpu), + &__get_cpu_var(blk_cpu_done)); + raise_softirq_irqoff(BLOCK_SOFTIRQ); + local_irq_enable(); + } + + return NOTIFY_OK; +} + + +static struct notifier_block blk_cpu_notifier __cpuinitdata = { + .notifier_call = blk_cpu_notify, +}; + +/* + * splice the completion data to a local structure and hand off to + * process_completion_queue() to complete the requests + */ +static void blk_done_softirq(struct softirq_action *h) +{ + struct list_head *cpu_list, local_list; + + local_irq_disable(); + cpu_list = &__get_cpu_var(blk_cpu_done); + list_replace_init(cpu_list, &local_list); + local_irq_enable(); + + while (!list_empty(&local_list)) { + struct request *rq; + + rq = list_entry(local_list.next, struct request, donelist); + list_del_init(&rq->donelist); + rq->q->softirq_done_fn(rq); + } +} + +/** + * blk_complete_request - end I/O on a request + * @req: the request being processed + * + * Description: + * Ends all I/O on a request. It does not handle partial completions, + * unless the driver actually implements this in its completion callback + * through requeueing. The actual completion happens out-of-order, + * through a softirq handler. The user must have registered a completion + * callback through blk_queue_softirq_done(). + **/ + +void blk_complete_request(struct request *req) +{ + struct list_head *cpu_list; + unsigned long flags; + + BUG_ON(!req->q->softirq_done_fn); + + local_irq_save(flags); + + cpu_list = &__get_cpu_var(blk_cpu_done); + list_add_tail(&req->donelist, cpu_list); + raise_softirq_irqoff(BLOCK_SOFTIRQ); + + local_irq_restore(flags); +} +EXPORT_SYMBOL(blk_complete_request); + +int __init blk_softirq_init(void) +{ + int i; + + for_each_possible_cpu(i) + INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i)); + + open_softirq(BLOCK_SOFTIRQ, blk_done_softirq); + register_hotcpu_notifier(&blk_cpu_notifier); + return 0; +} +subsys_initcall(blk_softirq_init); -- GitLab From 18887ad910e56066233a07fd3cfb2fa11338b782 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Mon, 28 Jul 2008 13:08:45 +0200 Subject: [PATCH 3182/6244] block: make kblockd_schedule_work() take the queue as parameter Preparatory patch for checking queuing affinity. Signed-off-by: Jens Axboe --- block/as-iosched.c | 6 +++--- block/blk-core.c | 8 ++++---- block/cfq-iosched.c | 2 +- include/linux/blkdev.h | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/block/as-iosched.c b/block/as-iosched.c index cf4eb0eefbbf..80af9257e64a 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -462,7 +462,7 @@ static void as_antic_stop(struct as_data *ad) del_timer(&ad->antic_timer); ad->antic_status = ANTIC_FINISHED; /* see as_work_handler */ - kblockd_schedule_work(&ad->antic_work); + kblockd_schedule_work(ad->q, &ad->antic_work); } } @@ -483,7 +483,7 @@ static void as_antic_timeout(unsigned long data) aic = ad->io_context->aic; ad->antic_status = ANTIC_FINISHED; - kblockd_schedule_work(&ad->antic_work); + kblockd_schedule_work(q, &ad->antic_work); if (aic->ttime_samples == 0) { /* process anticipated on has exited or timed out*/ @@ -844,7 +844,7 @@ static void as_completed_request(struct request_queue *q, struct request *rq) if (ad->changed_batch && ad->nr_dispatched == 1) { ad->current_batch_expires = jiffies + ad->batch_expire[ad->batch_data_dir]; - kblockd_schedule_work(&ad->antic_work); + kblockd_schedule_work(q, &ad->antic_work); ad->changed_batch = 0; if (ad->batch_data_dir == REQ_SYNC) diff --git a/block/blk-core.c b/block/blk-core.c index 527b3382a610..9c6f818d0c33 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -305,7 +305,7 @@ void blk_unplug_timeout(unsigned long data) blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_TIMER, NULL, q->rq.count[READ] + q->rq.count[WRITE]); - kblockd_schedule_work(&q->unplug_work); + kblockd_schedule_work(q, &q->unplug_work); } void blk_unplug(struct request_queue *q) @@ -346,7 +346,7 @@ void blk_start_queue(struct request_queue *q) queue_flag_clear(QUEUE_FLAG_REENTER, q); } else { blk_plug_device(q); - kblockd_schedule_work(&q->unplug_work); + kblockd_schedule_work(q, &q->unplug_work); } } EXPORT_SYMBOL(blk_start_queue); @@ -411,7 +411,7 @@ void __blk_run_queue(struct request_queue *q) queue_flag_clear(QUEUE_FLAG_REENTER, q); } else { blk_plug_device(q); - kblockd_schedule_work(&q->unplug_work); + kblockd_schedule_work(q, &q->unplug_work); } } } @@ -1959,7 +1959,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, rq->rq_disk = bio->bi_bdev->bd_disk; } -int kblockd_schedule_work(struct work_struct *work) +int kblockd_schedule_work(struct request_queue *q, struct work_struct *work) { return queue_work(kblockd_workqueue, work); } diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 1e2aff812ee2..5f6fd287c185 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -244,7 +244,7 @@ static inline void cfq_schedule_dispatch(struct cfq_data *cfqd) { if (cfqd->busy_queues) { cfq_log(cfqd, "schedule dispatch"); - kblockd_schedule_work(&cfqd->unplug_work); + kblockd_schedule_work(cfqd->queue, &cfqd->unplug_work); } } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1adb03827bd3..10aa46c8f170 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -912,7 +912,7 @@ static inline void put_dev_sector(Sector p) } struct work_struct; -int kblockd_schedule_work(struct work_struct *work); +int kblockd_schedule_work(struct request_queue *q, struct work_struct *work); void kblockd_flush_work(struct work_struct *work); #define MODULE_ALIAS_BLOCKDEV(major,minor) \ -- GitLab From c7c22e4d5c1fdebfac4dba76de7d0338c2b0d832 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Sat, 13 Sep 2008 20:26:01 +0200 Subject: [PATCH 3183/6244] block: add support for IO CPU affinity This patch adds support for controlling the IO completion CPU of either all requests on a queue, or on a per-request basis. We export a sysfs variable (rq_affinity) which, if set, migrates completions of requests to the CPU that originally submitted it. A bio helper (bio_set_completion_cpu()) is also added, so that queuers can ask for completion on that specific CPU. In testing, this has been show to cut the system time by as much as 20-40% on synthetic workloads where CPU affinity is desired. This requires a little help from the architecture, so it'll only work as designed for archs that are using the new generic smp helper infrastructure. Signed-off-by: Jens Axboe --- block/blk-core.c | 46 +++++++------- block/blk-settings.c | 2 +- block/blk-softirq.c | 126 +++++++++++++++++++++++++++++---------- block/blk-sysfs.c | 31 ++++++++++ block/blk.h | 12 ++++ fs/bio.c | 1 + include/linux/bio.h | 11 ++++ include/linux/blkdev.h | 5 +- include/linux/elevator.h | 8 +-- 9 files changed, 182 insertions(+), 60 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 9c6f818d0c33..5484838f46e7 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -110,7 +110,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq) memset(rq, 0, sizeof(*rq)); INIT_LIST_HEAD(&rq->queuelist); - INIT_LIST_HEAD(&rq->donelist); + rq->cpu = -1; rq->q = q; rq->sector = rq->hard_sector = (sector_t) -1; INIT_HLIST_NODE(&rq->hash); @@ -322,6 +322,21 @@ void blk_unplug(struct request_queue *q) } EXPORT_SYMBOL(blk_unplug); +static void blk_invoke_request_fn(struct request_queue *q) +{ + /* + * one level of recursion is ok and is much faster than kicking + * the unplug handling + */ + if (!queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) { + q->request_fn(q); + queue_flag_clear(QUEUE_FLAG_REENTER, q); + } else { + queue_flag_set(QUEUE_FLAG_PLUGGED, q); + kblockd_schedule_work(q, &q->unplug_work); + } +} + /** * blk_start_queue - restart a previously stopped queue * @q: The &struct request_queue in question @@ -336,18 +351,7 @@ void blk_start_queue(struct request_queue *q) WARN_ON(!irqs_disabled()); queue_flag_clear(QUEUE_FLAG_STOPPED, q); - - /* - * one level of recursion is ok and is much faster than kicking - * the unplug handling - */ - if (!queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) { - q->request_fn(q); - queue_flag_clear(QUEUE_FLAG_REENTER, q); - } else { - blk_plug_device(q); - kblockd_schedule_work(q, &q->unplug_work); - } + blk_invoke_request_fn(q); } EXPORT_SYMBOL(blk_start_queue); @@ -405,15 +409,8 @@ void __blk_run_queue(struct request_queue *q) * Only recurse once to avoid overrunning the stack, let the unplug * handling reinvoke the handler shortly if we already got there. */ - if (!elv_queue_empty(q)) { - if (!queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) { - q->request_fn(q); - queue_flag_clear(QUEUE_FLAG_REENTER, q); - } else { - blk_plug_device(q); - kblockd_schedule_work(q, &q->unplug_work); - } - } + if (!elv_queue_empty(q)) + blk_invoke_request_fn(q); } EXPORT_SYMBOL(__blk_run_queue); @@ -1056,6 +1053,7 @@ EXPORT_SYMBOL(blk_put_request); void init_request_from_bio(struct request *req, struct bio *bio) { + req->cpu = bio->bi_comp_cpu; req->cmd_type = REQ_TYPE_FS; /* @@ -1198,13 +1196,15 @@ get_rq: init_request_from_bio(req, bio); spin_lock_irq(q->queue_lock); + if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) || + bio_flagged(bio, BIO_CPU_AFFINE)) + req->cpu = blk_cpu_to_group(smp_processor_id()); if (elv_queue_empty(q)) blk_plug_device(q); add_request(q, req); out: if (sync) __generic_unplug_device(q); - spin_unlock_irq(q->queue_lock); return 0; diff --git a/block/blk-settings.c b/block/blk-settings.c index d70692badcdb..a60e959a12c4 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -443,7 +443,7 @@ void blk_queue_update_dma_alignment(struct request_queue *q, int mask) } EXPORT_SYMBOL(blk_queue_update_dma_alignment); -static int __init blk_settings_init(void) +int __init blk_settings_init(void) { blk_max_low_pfn = max_low_pfn - 1; blk_max_pfn = max_pfn - 1; diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 9e1c43bff662..3a1af551191e 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -13,6 +13,70 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done); +/* + * Softirq action handler - move entries to local list and loop over them + * while passing them to the queue registered handler. + */ +static void blk_done_softirq(struct softirq_action *h) +{ + struct list_head *cpu_list, local_list; + + local_irq_disable(); + cpu_list = &__get_cpu_var(blk_cpu_done); + list_replace_init(cpu_list, &local_list); + local_irq_enable(); + + while (!list_empty(&local_list)) { + struct request *rq; + + rq = list_entry(local_list.next, struct request, csd.list); + list_del_init(&rq->csd.list); + rq->q->softirq_done_fn(rq); + } +} + +#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS) +static void trigger_softirq(void *data) +{ + struct request *rq = data; + unsigned long flags; + struct list_head *list; + + local_irq_save(flags); + list = &__get_cpu_var(blk_cpu_done); + list_add_tail(&rq->csd.list, list); + + if (list->next == &rq->csd.list) + raise_softirq_irqoff(BLOCK_SOFTIRQ); + + local_irq_restore(flags); +} + +/* + * Setup and invoke a run of 'trigger_softirq' on the given cpu. + */ +static int raise_blk_irq(int cpu, struct request *rq) +{ + if (cpu_online(cpu)) { + struct call_single_data *data = &rq->csd; + + data->func = trigger_softirq; + data->info = rq; + data->flags = 0; + + __smp_call_function_single(cpu, data); + return 0; + } + + return 1; +} +#else /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */ +static int raise_blk_irq(int cpu, struct request *rq) +{ + return 1; +} +#endif + static int __cpuinit blk_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { @@ -33,33 +97,10 @@ static int __cpuinit blk_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } - -static struct notifier_block blk_cpu_notifier __cpuinitdata = { +static struct notifier_block __cpuinitdata blk_cpu_notifier = { .notifier_call = blk_cpu_notify, }; -/* - * splice the completion data to a local structure and hand off to - * process_completion_queue() to complete the requests - */ -static void blk_done_softirq(struct softirq_action *h) -{ - struct list_head *cpu_list, local_list; - - local_irq_disable(); - cpu_list = &__get_cpu_var(blk_cpu_done); - list_replace_init(cpu_list, &local_list); - local_irq_enable(); - - while (!list_empty(&local_list)) { - struct request *rq; - - rq = list_entry(local_list.next, struct request, donelist); - list_del_init(&rq->donelist); - rq->q->softirq_done_fn(rq); - } -} - /** * blk_complete_request - end I/O on a request * @req: the request being processed @@ -71,25 +112,48 @@ static void blk_done_softirq(struct softirq_action *h) * through a softirq handler. The user must have registered a completion * callback through blk_queue_softirq_done(). **/ - void blk_complete_request(struct request *req) { - struct list_head *cpu_list; + struct request_queue *q = req->q; unsigned long flags; + int ccpu, cpu, group_cpu; - BUG_ON(!req->q->softirq_done_fn); + BUG_ON(!q->softirq_done_fn); local_irq_save(flags); + cpu = smp_processor_id(); + group_cpu = blk_cpu_to_group(cpu); - cpu_list = &__get_cpu_var(blk_cpu_done); - list_add_tail(&req->donelist, cpu_list); - raise_softirq_irqoff(BLOCK_SOFTIRQ); + /* + * Select completion CPU + */ + if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) && req->cpu != -1) + ccpu = req->cpu; + else + ccpu = cpu; + + if (ccpu == cpu || ccpu == group_cpu) { + struct list_head *list; +do_local: + list = &__get_cpu_var(blk_cpu_done); + list_add_tail(&req->csd.list, list); + + /* + * if the list only contains our just added request, + * signal a raise of the softirq. If there are already + * entries there, someone already raised the irq but it + * hasn't run yet. + */ + if (list->next == &req->csd.list) + raise_softirq_irqoff(BLOCK_SOFTIRQ); + } else if (raise_blk_irq(ccpu, req)) + goto do_local; local_irq_restore(flags); } EXPORT_SYMBOL(blk_complete_request); -int __init blk_softirq_init(void) +__init int blk_softirq_init(void) { int i; diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index b9a6ed166649..21e275d7eed9 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -156,6 +156,30 @@ static ssize_t queue_nomerges_store(struct request_queue *q, const char *page, return ret; } +static ssize_t queue_rq_affinity_show(struct request_queue *q, char *page) +{ + unsigned int set = test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags); + + return queue_var_show(set != 0, page); +} + +static ssize_t +queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count) +{ + ssize_t ret = -EINVAL; +#if defined(CONFIG_USE_GENERIC_SMP_HELPERS) + unsigned long val; + + ret = queue_var_store(&val, page, count); + spin_lock_irq(q->queue_lock); + if (val) + queue_flag_set(QUEUE_FLAG_SAME_COMP, q); + else + queue_flag_clear(QUEUE_FLAG_SAME_COMP, q); + spin_unlock_irq(q->queue_lock); +#endif + return ret; +} static struct queue_sysfs_entry queue_requests_entry = { .attr = {.name = "nr_requests", .mode = S_IRUGO | S_IWUSR }, @@ -197,6 +221,12 @@ static struct queue_sysfs_entry queue_nomerges_entry = { .store = queue_nomerges_store, }; +static struct queue_sysfs_entry queue_rq_affinity_entry = { + .attr = {.name = "rq_affinity", .mode = S_IRUGO | S_IWUSR }, + .show = queue_rq_affinity_show, + .store = queue_rq_affinity_store, +}; + static struct attribute *default_attrs[] = { &queue_requests_entry.attr, &queue_ra_entry.attr, @@ -205,6 +235,7 @@ static struct attribute *default_attrs[] = { &queue_iosched_entry.attr, &queue_hw_sector_size_entry.attr, &queue_nomerges_entry.attr, + &queue_rq_affinity_entry.attr, NULL, }; diff --git a/block/blk.h b/block/blk.h index c79f30e1df52..de74254cb916 100644 --- a/block/blk.h +++ b/block/blk.h @@ -59,4 +59,16 @@ static inline int queue_congestion_off_threshold(struct request_queue *q) #endif /* BLK_DEV_INTEGRITY */ +static inline int blk_cpu_to_group(int cpu) +{ +#ifdef CONFIG_SCHED_MC + cpumask_t mask = cpu_coregroup_map(cpu); + return first_cpu(mask); +#elif defined(CONFIG_SCHED_SMT) + return first_cpu(per_cpu(cpu_sibling_map, cpu)); +#else + return cpu; +#endif +} + #endif diff --git a/fs/bio.c b/fs/bio.c index bee4deca774a..6a637b5c24b5 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -111,6 +111,7 @@ void bio_init(struct bio *bio) { memset(bio, 0, sizeof(*bio)); bio->bi_flags = 1 << BIO_UPTODATE; + bio->bi_comp_cpu = -1; atomic_set(&bio->bi_cnt, 1); } diff --git a/include/linux/bio.h b/include/linux/bio.h index 2c0c09034fd2..13aba20edb2d 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -81,6 +81,8 @@ struct bio { unsigned int bi_max_vecs; /* max bvl_vecs we can hold */ + unsigned int bi_comp_cpu; /* completion CPU */ + struct bio_vec *bi_io_vec; /* the actual vec list */ bio_end_io_t *bi_end_io; @@ -105,6 +107,7 @@ struct bio { #define BIO_BOUNCED 5 /* bio is a bounce bio */ #define BIO_USER_MAPPED 6 /* contains user pages */ #define BIO_EOPNOTSUPP 7 /* not supported */ +#define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */ #define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) /* @@ -342,6 +345,14 @@ void zero_fill_bio(struct bio *bio); extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *); extern unsigned int bvec_nr_vecs(unsigned short idx); +/* + * Allow queuer to specify a completion CPU for this bio + */ +static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu) +{ + bio->bi_comp_cpu = cpu; +} + /* * bio_set is used to allow other portions of the IO system to * allocate their own private memory pools for bio and iovec structures. diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 10aa46c8f170..93204bf7b297 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -17,6 +17,7 @@ #include #include #include +#include #include @@ -139,7 +140,8 @@ enum rq_flag_bits { */ struct request { struct list_head queuelist; - struct list_head donelist; + struct call_single_data csd; + int cpu; struct request_queue *q; @@ -420,6 +422,7 @@ struct request_queue #define QUEUE_FLAG_ELVSWITCH 8 /* don't use elevator, just do FIFO */ #define QUEUE_FLAG_BIDI 9 /* queue supports bidi requests */ #define QUEUE_FLAG_NOMERGES 10 /* disable merge attempts */ +#define QUEUE_FLAG_SAME_COMP 11 /* force complete on same CPU */ static inline int queue_is_locked(struct request_queue *q) { diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 639624b55fbe..bb791c311a56 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -173,15 +173,15 @@ enum { #define rb_entry_rq(node) rb_entry((node), struct request, rb_node) /* - * Hack to reuse the donelist list_head as the fifo time holder while + * Hack to reuse the csd.list list_head as the fifo time holder while * the request is in the io scheduler. Saves an unsigned long in rq. */ -#define rq_fifo_time(rq) ((unsigned long) (rq)->donelist.next) -#define rq_set_fifo_time(rq,exp) ((rq)->donelist.next = (void *) (exp)) +#define rq_fifo_time(rq) ((unsigned long) (rq)->csd.list.next) +#define rq_set_fifo_time(rq,exp) ((rq)->csd.list.next = (void *) (exp)) #define rq_entry_fifo(ptr) list_entry((ptr), struct request, queuelist) #define rq_fifo_clear(rq) do { \ list_del_init(&(rq)->queuelist); \ - INIT_LIST_HEAD(&(rq)->donelist); \ + INIT_LIST_HEAD(&(rq)->csd.list); \ } while (0) /* -- GitLab From ab780f1ece0dc8d5e8e8e85435acc5e4747ccda3 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 26 Aug 2008 10:25:02 +0200 Subject: [PATCH 3184/6244] block: inherit CPU completion on bio->rq and rq->rq merges Somewhat incomplete, as we do allow merges of requests and bios that have different completion CPUs given. This is done on the assumption that a larger IO is still more beneficial than CPU locality. Signed-off-by: Jens Axboe --- block/blk-core.c | 4 ++++ block/blk-merge.c | 2 ++ include/linux/blkdev.h | 1 + 3 files changed, 7 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index 5484838f46e7..b9a252cae4df 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1134,6 +1134,8 @@ static int __make_request(struct request_queue *q, struct bio *bio) req->biotail = bio; req->nr_sectors = req->hard_nr_sectors += nr_sectors; req->ioprio = ioprio_best(req->ioprio, prio); + if (!blk_rq_cpu_valid(req)) + req->cpu = bio->bi_comp_cpu; drive_stat_acct(req, 0); if (!attempt_back_merge(q, req)) elv_merged_request(q, req, el_ret); @@ -1161,6 +1163,8 @@ static int __make_request(struct request_queue *q, struct bio *bio) req->sector = req->hard_sector = bio->bi_sector; req->nr_sectors = req->hard_nr_sectors += nr_sectors; req->ioprio = ioprio_best(req->ioprio, prio); + if (!blk_rq_cpu_valid(req)) + req->cpu = bio->bi_comp_cpu; drive_stat_acct(req, 0); if (!attempt_front_merge(q, req)) elv_merged_request(q, req, el_ret); diff --git a/block/blk-merge.c b/block/blk-merge.c index c77196d55899..908d3e11ac52 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -400,6 +400,8 @@ static int attempt_merge(struct request_queue *q, struct request *req, } req->ioprio = ioprio_best(req->ioprio, next->ioprio); + if (blk_rq_cpu_valid(next)) + req->cpu = next->cpu; __blk_put_request(q, next); return 1; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 93204bf7b297..12df8efeef19 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -545,6 +545,7 @@ enum { #define blk_pm_request(rq) \ (blk_pm_suspend_request(rq) || blk_pm_resume_request(rq)) +#define blk_rq_cpu_valid(rq) ((rq)->cpu != -1) #define blk_sorted_rq(rq) ((rq)->cmd_flags & REQ_SORTED) #define blk_barrier_rq(rq) ((rq)->cmd_flags & REQ_HARDBARRIER) #define blk_fua_rq(rq) ((rq)->cmd_flags & REQ_FUA) -- GitLab From 605401618ce4409045bc4db86e88d4b38f2ad585 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 26 Aug 2008 13:34:34 +0200 Subject: [PATCH 3185/6244] block: don't use bio_has_data() in the completion path We should just check for rq->bio, as that is really the information we are looking for. Even if the bio attached doesn't carry data, we still need to do IO post processing on it. Signed-off-by: Jens Axboe --- block/blk-core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index b9a252cae4df..5bf806adc770 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1817,7 +1817,7 @@ static int blk_end_io(struct request *rq, int error, unsigned int nr_bytes, struct request_queue *q = rq->q; unsigned long flags = 0UL; - if (bio_has_data(rq->bio) || blk_discard_rq(rq)) { + if (rq->bio) { if (__end_that_request_first(rq, error, nr_bytes)) return 1; @@ -1875,8 +1875,7 @@ EXPORT_SYMBOL_GPL(blk_end_request); **/ int __blk_end_request(struct request *rq, int error, unsigned int nr_bytes) { - if ((bio_has_data(rq->bio) || blk_discard_rq(rq)) && - __end_that_request_first(rq, error, nr_bytes)) + if (rq->bio && __end_that_request_first(rq, error, nr_bytes)) return 1; add_disk_randomness(rq->rq_disk); -- GitLab From 45333d5a31296d0af886d94f1d08f128231cab8e Mon Sep 17 00:00:00 2001 From: Aaron Carroll Date: Tue, 26 Aug 2008 15:52:36 +0200 Subject: [PATCH 3186/6244] cfq-iosched: fix queue depth detection CFQ's detection of queueing devices assumes a non-queuing device and detects if the queue depth reaches a certain threshold. Under some workloads (e.g. synchronous reads), CFQ effectively forces a unit queue depth, thus defeating the detection logic. This leads to poor performance on queuing hardware, since the idle window remains enabled. This patch inverts the sense of the logic: assume a queuing-capable device, and detect if the depth does not exceed the threshold. Signed-off-by: Aaron Carroll Signed-off-by: Jens Axboe --- block/cfq-iosched.c | 47 ++++++++++++++++++++++++++++++++++++--------- 1 file changed, 38 insertions(+), 9 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 5f6fd287c185..494b6fdcb183 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -39,6 +39,7 @@ static int cfq_slice_idle = HZ / 125; #define CFQ_MIN_TT (2) #define CFQ_SLICE_SCALE (5) +#define CFQ_HW_QUEUE_MIN (5) #define RQ_CIC(rq) \ ((struct cfq_io_context *) (rq)->elevator_private) @@ -86,7 +87,14 @@ struct cfq_data { int rq_in_driver; int sync_flight; + + /* + * queue-depth detection + */ + int rq_queued; int hw_tag; + int hw_tag_samples; + int rq_in_driver_peak; /* * idle window management @@ -654,15 +662,6 @@ static void cfq_activate_request(struct request_queue *q, struct request *rq) cfq_log_cfqq(cfqd, RQ_CFQQ(rq), "activate rq, drv=%d", cfqd->rq_in_driver); - /* - * If the depth is larger 1, it really could be queueing. But lets - * make the mark a little higher - idling could still be good for - * low queueing, and a low queueing number could also just indicate - * a SCSI mid layer like behaviour where limit+1 is often seen. - */ - if (!cfqd->hw_tag && cfqd->rq_in_driver > 4) - cfqd->hw_tag = 1; - cfqd->last_position = rq->hard_sector + rq->hard_nr_sectors; } @@ -686,6 +685,7 @@ static void cfq_remove_request(struct request *rq) list_del_init(&rq->queuelist); cfq_del_rq_rb(rq); + cfqq->cfqd->rq_queued--; if (rq_is_meta(rq)) { WARN_ON(!cfqq->meta_pending); cfqq->meta_pending--; @@ -1833,6 +1833,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, { struct cfq_io_context *cic = RQ_CIC(rq); + cfqd->rq_queued++; if (rq_is_meta(rq)) cfqq->meta_pending++; @@ -1880,6 +1881,31 @@ static void cfq_insert_request(struct request_queue *q, struct request *rq) cfq_rq_enqueued(cfqd, cfqq, rq); } +/* + * Update hw_tag based on peak queue depth over 50 samples under + * sufficient load. + */ +static void cfq_update_hw_tag(struct cfq_data *cfqd) +{ + if (cfqd->rq_in_driver > cfqd->rq_in_driver_peak) + cfqd->rq_in_driver_peak = cfqd->rq_in_driver; + + if (cfqd->rq_queued <= CFQ_HW_QUEUE_MIN && + cfqd->rq_in_driver <= CFQ_HW_QUEUE_MIN) + return; + + if (cfqd->hw_tag_samples++ < 50) + return; + + if (cfqd->rq_in_driver_peak >= CFQ_HW_QUEUE_MIN) + cfqd->hw_tag = 1; + else + cfqd->hw_tag = 0; + + cfqd->hw_tag_samples = 0; + cfqd->rq_in_driver_peak = 0; +} + static void cfq_completed_request(struct request_queue *q, struct request *rq) { struct cfq_queue *cfqq = RQ_CFQQ(rq); @@ -1890,6 +1916,8 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq) now = jiffies; cfq_log_cfqq(cfqd, cfqq, "complete"); + cfq_update_hw_tag(cfqd); + WARN_ON(!cfqd->rq_in_driver); WARN_ON(!cfqq->dispatched); cfqd->rq_in_driver--; @@ -2200,6 +2228,7 @@ static void *cfq_init_queue(struct request_queue *q) cfqd->cfq_slice[1] = cfq_slice_sync; cfqd->cfq_slice_async_rq = cfq_slice_async_rq; cfqd->cfq_slice_idle = cfq_slice_idle; + cfqd->hw_tag = 1; return cfqd; } -- GitLab From a3bce90edd8f6cafe3f63b1a943800792e830178 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 16:17:05 +0900 Subject: [PATCH 3187/6244] block: add gfp_mask argument to blk_rq_map_user and blk_rq_map_user_iov Currently, blk_rq_map_user and blk_rq_map_user_iov always do GFP_KERNEL allocation. This adds gfp_mask argument to blk_rq_map_user and blk_rq_map_user_iov so sg can use it (sg always does GFP_ATOMIC allocation). Signed-off-by: FUJITA Tomonori Signed-off-by: Douglas Gilbert Cc: Mike Christie Cc: James Bottomley Signed-off-by: Jens Axboe --- block/blk-map.c | 20 ++++++++++++-------- block/bsg.c | 5 +++-- block/scsi_ioctl.c | 5 +++-- drivers/cdrom/cdrom.c | 2 +- drivers/scsi/scsi_tgt_lib.c | 2 +- fs/bio.c | 33 +++++++++++++++++++-------------- include/linux/bio.h | 9 +++++---- include/linux/blkdev.h | 5 +++-- 8 files changed, 47 insertions(+), 34 deletions(-) diff --git a/block/blk-map.c b/block/blk-map.c index ea1bf53929e4..ac21b7397e15 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -41,7 +41,8 @@ static int __blk_rq_unmap_user(struct bio *bio) } static int __blk_rq_map_user(struct request_queue *q, struct request *rq, - void __user *ubuf, unsigned int len) + void __user *ubuf, unsigned int len, + gfp_t gfp_mask) { unsigned long uaddr; unsigned int alignment; @@ -57,9 +58,9 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, uaddr = (unsigned long) ubuf; alignment = queue_dma_alignment(q) | q->dma_pad_mask; if (!(uaddr & alignment) && !(len & alignment)) - bio = bio_map_user(q, NULL, uaddr, len, reading); + bio = bio_map_user(q, NULL, uaddr, len, reading, gfp_mask); else - bio = bio_copy_user(q, uaddr, len, reading); + bio = bio_copy_user(q, uaddr, len, reading, gfp_mask); if (IS_ERR(bio)) return PTR_ERR(bio); @@ -90,6 +91,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, * @rq: request structure to fill * @ubuf: the user buffer * @len: length of user data + * @gfp_mask: memory allocation flags * * Description: * Data will be mapped directly for zero copy I/O, if possible. Otherwise @@ -105,7 +107,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, * unmapping. */ int blk_rq_map_user(struct request_queue *q, struct request *rq, - void __user *ubuf, unsigned long len) + void __user *ubuf, unsigned long len, gfp_t gfp_mask) { unsigned long bytes_read = 0; struct bio *bio = NULL; @@ -132,7 +134,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, if (end - start > BIO_MAX_PAGES) map_len -= PAGE_SIZE; - ret = __blk_rq_map_user(q, rq, ubuf, map_len); + ret = __blk_rq_map_user(q, rq, ubuf, map_len, gfp_mask); if (ret < 0) goto unmap_rq; if (!bio) @@ -160,6 +162,7 @@ EXPORT_SYMBOL(blk_rq_map_user); * @iov: pointer to the iovec * @iov_count: number of elements in the iovec * @len: I/O byte count + * @gfp_mask: memory allocation flags * * Description: * Data will be mapped directly for zero copy I/O, if possible. Otherwise @@ -175,7 +178,8 @@ EXPORT_SYMBOL(blk_rq_map_user); * unmapping. */ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, - struct sg_iovec *iov, int iov_count, unsigned int len) + struct sg_iovec *iov, int iov_count, unsigned int len, + gfp_t gfp_mask) { struct bio *bio; int i, read = rq_data_dir(rq) == READ; @@ -194,9 +198,9 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, } if (unaligned || (q->dma_pad_mask & len)) - bio = bio_copy_user_iov(q, iov, iov_count, read); + bio = bio_copy_user_iov(q, iov, iov_count, read, gfp_mask); else - bio = bio_map_user_iov(q, NULL, iov, iov_count, read); + bio = bio_map_user_iov(q, NULL, iov, iov_count, read, gfp_mask); if (IS_ERR(bio)) return PTR_ERR(bio); diff --git a/block/bsg.c b/block/bsg.c index 0aae8d7ba99c..e7a142e9916c 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -283,7 +283,8 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, int has_write_perm) next_rq->cmd_type = rq->cmd_type; dxferp = (void*)(unsigned long)hdr->din_xferp; - ret = blk_rq_map_user(q, next_rq, dxferp, hdr->din_xfer_len); + ret = blk_rq_map_user(q, next_rq, dxferp, hdr->din_xfer_len, + GFP_KERNEL); if (ret) goto out; } @@ -298,7 +299,7 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, int has_write_perm) dxfer_len = 0; if (dxfer_len) { - ret = blk_rq_map_user(q, rq, dxferp, dxfer_len); + ret = blk_rq_map_user(q, rq, dxferp, dxfer_len, GFP_KERNEL); if (ret) goto out; } diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 3aab80a4c484..f49d6a11a69e 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -315,10 +315,11 @@ static int sg_io(struct file *file, struct request_queue *q, } ret = blk_rq_map_user_iov(q, rq, iov, hdr->iovec_count, - hdr->dxfer_len); + hdr->dxfer_len, GFP_KERNEL); kfree(iov); } else if (hdr->dxfer_len) - ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len); + ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len, + GFP_KERNEL); if (ret) goto out; diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 74031de517e6..e861d24a6d32 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2097,7 +2097,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, len = nr * CD_FRAMESIZE_RAW; - ret = blk_rq_map_user(q, rq, ubuf, len); + ret = blk_rq_map_user(q, rq, ubuf, len, GFP_KERNEL); if (ret) break; diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 257e097c39af..2a4fd820d616 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd, int err; dprintk("%lx %u\n", uaddr, len); - err = blk_rq_map_user(q, rq, (void *)uaddr, len); + err = blk_rq_map_user(q, rq, (void *)uaddr, len, GFP_KERNEL); if (err) { /* * TODO: need to fixup sg_tablesize, max_segment_size, diff --git a/fs/bio.c b/fs/bio.c index 6a637b5c24b5..3d2e9ad24728 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -558,13 +558,14 @@ int bio_uncopy_user(struct bio *bio) * @iov: the iovec. * @iov_count: number of elements in the iovec * @write_to_vm: bool indicating writing to pages or not + * @gfp_mask: memory allocation flags * * Prepares and returns a bio for indirect user io, bouncing data * to/from kernel pages as necessary. Must be paired with * call bio_uncopy_user() on io completion. */ struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, - int iov_count, int write_to_vm) + int iov_count, int write_to_vm, gfp_t gfp_mask) { struct bio_map_data *bmd; struct bio_vec *bvec; @@ -587,12 +588,12 @@ struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, len += iov[i].iov_len; } - bmd = bio_alloc_map_data(nr_pages, iov_count, GFP_KERNEL); + bmd = bio_alloc_map_data(nr_pages, iov_count, gfp_mask); if (!bmd) return ERR_PTR(-ENOMEM); ret = -ENOMEM; - bio = bio_alloc(GFP_KERNEL, nr_pages); + bio = bio_alloc(gfp_mask, nr_pages); if (!bio) goto out_bmd; @@ -605,7 +606,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, if (bytes > len) bytes = len; - page = alloc_page(q->bounce_gfp | GFP_KERNEL); + page = alloc_page(q->bounce_gfp | gfp_mask); if (!page) { ret = -ENOMEM; break; @@ -647,26 +648,27 @@ out_bmd: * @uaddr: start of user address * @len: length in bytes * @write_to_vm: bool indicating writing to pages or not + * @gfp_mask: memory allocation flags * * Prepares and returns a bio for indirect user io, bouncing data * to/from kernel pages as necessary. Must be paired with * call bio_uncopy_user() on io completion. */ struct bio *bio_copy_user(struct request_queue *q, unsigned long uaddr, - unsigned int len, int write_to_vm) + unsigned int len, int write_to_vm, gfp_t gfp_mask) { struct sg_iovec iov; iov.iov_base = (void __user *)uaddr; iov.iov_len = len; - return bio_copy_user_iov(q, &iov, 1, write_to_vm); + return bio_copy_user_iov(q, &iov, 1, write_to_vm, gfp_mask); } static struct bio *__bio_map_user_iov(struct request_queue *q, struct block_device *bdev, struct sg_iovec *iov, int iov_count, - int write_to_vm) + int write_to_vm, gfp_t gfp_mask) { int i, j; int nr_pages = 0; @@ -692,12 +694,12 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, if (!nr_pages) return ERR_PTR(-EINVAL); - bio = bio_alloc(GFP_KERNEL, nr_pages); + bio = bio_alloc(gfp_mask, nr_pages); if (!bio) return ERR_PTR(-ENOMEM); ret = -ENOMEM; - pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL); + pages = kcalloc(nr_pages, sizeof(struct page *), gfp_mask); if (!pages) goto out; @@ -776,19 +778,21 @@ static struct bio *__bio_map_user_iov(struct request_queue *q, * @uaddr: start of user address * @len: length in bytes * @write_to_vm: bool indicating writing to pages or not + * @gfp_mask: memory allocation flags * * Map the user space address into a bio suitable for io to a block * device. Returns an error pointer in case of error. */ struct bio *bio_map_user(struct request_queue *q, struct block_device *bdev, - unsigned long uaddr, unsigned int len, int write_to_vm) + unsigned long uaddr, unsigned int len, int write_to_vm, + gfp_t gfp_mask) { struct sg_iovec iov; iov.iov_base = (void __user *)uaddr; iov.iov_len = len; - return bio_map_user_iov(q, bdev, &iov, 1, write_to_vm); + return bio_map_user_iov(q, bdev, &iov, 1, write_to_vm, gfp_mask); } /** @@ -798,18 +802,19 @@ struct bio *bio_map_user(struct request_queue *q, struct block_device *bdev, * @iov: the iovec. * @iov_count: number of elements in the iovec * @write_to_vm: bool indicating writing to pages or not + * @gfp_mask: memory allocation flags * * Map the user space address into a bio suitable for io to a block * device. Returns an error pointer in case of error. */ struct bio *bio_map_user_iov(struct request_queue *q, struct block_device *bdev, struct sg_iovec *iov, int iov_count, - int write_to_vm) + int write_to_vm, gfp_t gfp_mask) { struct bio *bio; - bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm); - + bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm, + gfp_mask); if (IS_ERR(bio)) return bio; diff --git a/include/linux/bio.h b/include/linux/bio.h index 13aba20edb2d..200b185c3e83 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -325,11 +325,11 @@ extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); extern int bio_get_nr_vecs(struct block_device *); extern struct bio *bio_map_user(struct request_queue *, struct block_device *, - unsigned long, unsigned int, int); + unsigned long, unsigned int, int, gfp_t); struct sg_iovec; extern struct bio *bio_map_user_iov(struct request_queue *, struct block_device *, - struct sg_iovec *, int, int); + struct sg_iovec *, int, int, gfp_t); extern void bio_unmap_user(struct bio *); extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int, gfp_t); @@ -337,9 +337,10 @@ extern struct bio *bio_copy_kern(struct request_queue *, void *, unsigned int, gfp_t, int); extern void bio_set_pages_dirty(struct bio *bio); extern void bio_check_pages_dirty(struct bio *bio); -extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int); +extern struct bio *bio_copy_user(struct request_queue *, unsigned long, + unsigned int, int, gfp_t); extern struct bio *bio_copy_user_iov(struct request_queue *, struct sg_iovec *, - int, int); + int, int, gfp_t); extern int bio_uncopy_user(struct bio *); void zero_fill_bio(struct bio *bio); extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 12df8efeef19..00e388d0e221 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -710,11 +710,12 @@ extern void __blk_stop_queue(struct request_queue *q); extern void __blk_run_queue(struct request_queue *); extern void blk_run_queue(struct request_queue *); extern void blk_start_queueing(struct request_queue *); -extern int blk_rq_map_user(struct request_queue *, struct request *, void __user *, unsigned long); +extern int blk_rq_map_user(struct request_queue *, struct request *, + void __user *, unsigned long, gfp_t); extern int blk_rq_unmap_user(struct bio *); extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t); extern int blk_rq_map_user_iov(struct request_queue *, struct request *, - struct sg_iovec *, int, unsigned int); + struct sg_iovec *, int, unsigned int, gfp_t); extern int blk_execute_rq(struct request_queue *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, -- GitLab From 152e283fdfea0cd11e297d982378b55937842dde Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 16:17:06 +0900 Subject: [PATCH 3188/6244] block: introduce struct rq_map_data to use reserved pages This patch introduces struct rq_map_data to enable bio_copy_use_iov() use reserved pages. Currently, bio_copy_user_iov allocates bounce pages but drivers/scsi/sg.c wants to allocate pages by itself and use them. struct rq_map_data can be used to pass allocated pages to bio_copy_user_iov. The current users of bio_copy_user_iov simply passes NULL (they don't want to use pre-allocated pages). Signed-off-by: FUJITA Tomonori Cc: Jens Axboe Cc: Douglas Gilbert Cc: Mike Christie Cc: James Bottomley Signed-off-by: Jens Axboe --- block/blk-map.c | 26 ++++++++++------- block/bsg.c | 7 +++-- block/scsi_ioctl.c | 4 +-- drivers/cdrom/cdrom.c | 2 +- drivers/scsi/scsi_tgt_lib.c | 2 +- fs/bio.c | 58 ++++++++++++++++++++++++++----------- include/linux/bio.h | 8 +++-- include/linux/blkdev.h | 12 ++++++-- 8 files changed, 80 insertions(+), 39 deletions(-) diff --git a/block/blk-map.c b/block/blk-map.c index ac21b7397e15..dad6a2907835 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -41,8 +41,8 @@ static int __blk_rq_unmap_user(struct bio *bio) } static int __blk_rq_map_user(struct request_queue *q, struct request *rq, - void __user *ubuf, unsigned int len, - gfp_t gfp_mask) + struct rq_map_data *map_data, void __user *ubuf, + unsigned int len, gfp_t gfp_mask) { unsigned long uaddr; unsigned int alignment; @@ -57,10 +57,10 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, */ uaddr = (unsigned long) ubuf; alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if (!(uaddr & alignment) && !(len & alignment)) + if (!(uaddr & alignment) && !(len & alignment) && !map_data) bio = bio_map_user(q, NULL, uaddr, len, reading, gfp_mask); else - bio = bio_copy_user(q, uaddr, len, reading, gfp_mask); + bio = bio_copy_user(q, map_data, uaddr, len, reading, gfp_mask); if (IS_ERR(bio)) return PTR_ERR(bio); @@ -89,6 +89,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, * blk_rq_map_user - map user data to a request, for REQ_TYPE_BLOCK_PC usage * @q: request queue where request should be inserted * @rq: request structure to fill + * @map_data: pointer to the rq_map_data holding pages (if necessary) * @ubuf: the user buffer * @len: length of user data * @gfp_mask: memory allocation flags @@ -107,7 +108,8 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, * unmapping. */ int blk_rq_map_user(struct request_queue *q, struct request *rq, - void __user *ubuf, unsigned long len, gfp_t gfp_mask) + struct rq_map_data *map_data, void __user *ubuf, + unsigned long len, gfp_t gfp_mask) { unsigned long bytes_read = 0; struct bio *bio = NULL; @@ -134,7 +136,8 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, if (end - start > BIO_MAX_PAGES) map_len -= PAGE_SIZE; - ret = __blk_rq_map_user(q, rq, ubuf, map_len, gfp_mask); + ret = __blk_rq_map_user(q, rq, map_data, ubuf, map_len, + gfp_mask); if (ret < 0) goto unmap_rq; if (!bio) @@ -159,6 +162,7 @@ EXPORT_SYMBOL(blk_rq_map_user); * blk_rq_map_user_iov - map user data to a request, for REQ_TYPE_BLOCK_PC usage * @q: request queue where request should be inserted * @rq: request to map data to + * @map_data: pointer to the rq_map_data holding pages (if necessary) * @iov: pointer to the iovec * @iov_count: number of elements in the iovec * @len: I/O byte count @@ -178,8 +182,8 @@ EXPORT_SYMBOL(blk_rq_map_user); * unmapping. */ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, - struct sg_iovec *iov, int iov_count, unsigned int len, - gfp_t gfp_mask) + struct rq_map_data *map_data, struct sg_iovec *iov, + int iov_count, unsigned int len, gfp_t gfp_mask) { struct bio *bio; int i, read = rq_data_dir(rq) == READ; @@ -197,8 +201,9 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, } } - if (unaligned || (q->dma_pad_mask & len)) - bio = bio_copy_user_iov(q, iov, iov_count, read, gfp_mask); + if (unaligned || (q->dma_pad_mask & len) || map_data) + bio = bio_copy_user_iov(q, map_data, iov, iov_count, read, + gfp_mask); else bio = bio_map_user_iov(q, NULL, iov, iov_count, read, gfp_mask); @@ -220,6 +225,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, rq->buffer = rq->data = NULL; return 0; } +EXPORT_SYMBOL(blk_rq_map_user_iov); /** * blk_rq_unmap_user - unmap a request with user data diff --git a/block/bsg.c b/block/bsg.c index e7a142e9916c..56cb343c76d8 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -283,8 +283,8 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, int has_write_perm) next_rq->cmd_type = rq->cmd_type; dxferp = (void*)(unsigned long)hdr->din_xferp; - ret = blk_rq_map_user(q, next_rq, dxferp, hdr->din_xfer_len, - GFP_KERNEL); + ret = blk_rq_map_user(q, next_rq, NULL, dxferp, + hdr->din_xfer_len, GFP_KERNEL); if (ret) goto out; } @@ -299,7 +299,8 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, int has_write_perm) dxfer_len = 0; if (dxfer_len) { - ret = blk_rq_map_user(q, rq, dxferp, dxfer_len, GFP_KERNEL); + ret = blk_rq_map_user(q, rq, NULL, dxferp, dxfer_len, + GFP_KERNEL); if (ret) goto out; } diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index f49d6a11a69e..c34272a348fe 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -314,11 +314,11 @@ static int sg_io(struct file *file, struct request_queue *q, goto out; } - ret = blk_rq_map_user_iov(q, rq, iov, hdr->iovec_count, + ret = blk_rq_map_user_iov(q, rq, NULL, iov, hdr->iovec_count, hdr->dxfer_len, GFP_KERNEL); kfree(iov); } else if (hdr->dxfer_len) - ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len, + ret = blk_rq_map_user(q, rq, NULL, hdr->dxferp, hdr->dxfer_len, GFP_KERNEL); if (ret) diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index e861d24a6d32..d47f2f80accd 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2097,7 +2097,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, len = nr * CD_FRAMESIZE_RAW; - ret = blk_rq_map_user(q, rq, ubuf, len, GFP_KERNEL); + ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL); if (ret) break; diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index 2a4fd820d616..3117bb106b5d 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd, int err; dprintk("%lx %u\n", uaddr, len); - err = blk_rq_map_user(q, rq, (void *)uaddr, len, GFP_KERNEL); + err = blk_rq_map_user(q, rq, NULL, (void *)uaddr, len, GFP_KERNEL); if (err) { /* * TODO: need to fixup sg_tablesize, max_segment_size, diff --git a/fs/bio.c b/fs/bio.c index 3d2e9ad24728..a2f072647cdf 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -439,16 +439,19 @@ int bio_add_page(struct bio *bio, struct page *page, unsigned int len, struct bio_map_data { struct bio_vec *iovecs; - int nr_sgvecs; struct sg_iovec *sgvecs; + int nr_sgvecs; + int is_our_pages; }; static void bio_set_map_data(struct bio_map_data *bmd, struct bio *bio, - struct sg_iovec *iov, int iov_count) + struct sg_iovec *iov, int iov_count, + int is_our_pages) { memcpy(bmd->iovecs, bio->bi_io_vec, sizeof(struct bio_vec) * bio->bi_vcnt); memcpy(bmd->sgvecs, iov, sizeof(struct sg_iovec) * iov_count); bmd->nr_sgvecs = iov_count; + bmd->is_our_pages = is_our_pages; bio->bi_private = bmd; } @@ -483,7 +486,8 @@ static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count, } static int __bio_copy_iov(struct bio *bio, struct bio_vec *iovecs, - struct sg_iovec *iov, int iov_count, int uncopy) + struct sg_iovec *iov, int iov_count, int uncopy, + int do_free_page) { int ret = 0, i; struct bio_vec *bvec; @@ -526,7 +530,7 @@ static int __bio_copy_iov(struct bio *bio, struct bio_vec *iovecs, } } - if (uncopy) + if (do_free_page) __free_page(bvec->bv_page); } @@ -545,7 +549,8 @@ int bio_uncopy_user(struct bio *bio) struct bio_map_data *bmd = bio->bi_private; int ret; - ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, bmd->nr_sgvecs, 1); + ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, bmd->nr_sgvecs, 1, + bmd->is_our_pages); bio_free_map_data(bmd); bio_put(bio); @@ -555,6 +560,7 @@ int bio_uncopy_user(struct bio *bio) /** * bio_copy_user_iov - copy user data to bio * @q: destination block queue + * @map_data: pointer to the rq_map_data holding pages (if necessary) * @iov: the iovec. * @iov_count: number of elements in the iovec * @write_to_vm: bool indicating writing to pages or not @@ -564,8 +570,10 @@ int bio_uncopy_user(struct bio *bio) * to/from kernel pages as necessary. Must be paired with * call bio_uncopy_user() on io completion. */ -struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, - int iov_count, int write_to_vm, gfp_t gfp_mask) +struct bio *bio_copy_user_iov(struct request_queue *q, + struct rq_map_data *map_data, + struct sg_iovec *iov, int iov_count, + int write_to_vm, gfp_t gfp_mask) { struct bio_map_data *bmd; struct bio_vec *bvec; @@ -600,13 +608,26 @@ struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, bio->bi_rw |= (!write_to_vm << BIO_RW); ret = 0; + i = 0; while (len) { - unsigned int bytes = PAGE_SIZE; + unsigned int bytes; + + if (map_data) + bytes = 1U << (PAGE_SHIFT + map_data->page_order); + else + bytes = PAGE_SIZE; if (bytes > len) bytes = len; - page = alloc_page(q->bounce_gfp | gfp_mask); + if (map_data) { + if (i == map_data->nr_entries) { + ret = -ENOMEM; + break; + } + page = map_data->pages[i++]; + } else + page = alloc_page(q->bounce_gfp | gfp_mask); if (!page) { ret = -ENOMEM; break; @@ -625,16 +646,17 @@ struct bio *bio_copy_user_iov(struct request_queue *q, struct sg_iovec *iov, * success */ if (!write_to_vm) { - ret = __bio_copy_iov(bio, bio->bi_io_vec, iov, iov_count, 0); + ret = __bio_copy_iov(bio, bio->bi_io_vec, iov, iov_count, 0, 0); if (ret) goto cleanup; } - bio_set_map_data(bmd, bio, iov, iov_count); + bio_set_map_data(bmd, bio, iov, iov_count, map_data ? 0 : 1); return bio; cleanup: - bio_for_each_segment(bvec, bio, i) - __free_page(bvec->bv_page); + if (!map_data) + bio_for_each_segment(bvec, bio, i) + __free_page(bvec->bv_page); bio_put(bio); out_bmd: @@ -645,6 +667,7 @@ out_bmd: /** * bio_copy_user - copy user data to bio * @q: destination block queue + * @map_data: pointer to the rq_map_data holding pages (if necessary) * @uaddr: start of user address * @len: length in bytes * @write_to_vm: bool indicating writing to pages or not @@ -654,15 +677,16 @@ out_bmd: * to/from kernel pages as necessary. Must be paired with * call bio_uncopy_user() on io completion. */ -struct bio *bio_copy_user(struct request_queue *q, unsigned long uaddr, - unsigned int len, int write_to_vm, gfp_t gfp_mask) +struct bio *bio_copy_user(struct request_queue *q, struct rq_map_data *map_data, + unsigned long uaddr, unsigned int len, + int write_to_vm, gfp_t gfp_mask) { struct sg_iovec iov; iov.iov_base = (void __user *)uaddr; iov.iov_len = len; - return bio_copy_user_iov(q, &iov, 1, write_to_vm, gfp_mask); + return bio_copy_user_iov(q, map_data, &iov, 1, write_to_vm, gfp_mask); } static struct bio *__bio_map_user_iov(struct request_queue *q, @@ -1028,7 +1052,7 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, bio->bi_private = bmd; bio->bi_end_io = bio_copy_kern_endio; - bio_set_map_data(bmd, bio, &iov, 1); + bio_set_map_data(bmd, bio, &iov, 1, 1); return bio; cleanup: bio_for_each_segment(bvec, bio, i) diff --git a/include/linux/bio.h b/include/linux/bio.h index 200b185c3e83..bc386cd5e996 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -327,6 +327,7 @@ extern int bio_get_nr_vecs(struct block_device *); extern struct bio *bio_map_user(struct request_queue *, struct block_device *, unsigned long, unsigned int, int, gfp_t); struct sg_iovec; +struct rq_map_data; extern struct bio *bio_map_user_iov(struct request_queue *, struct block_device *, struct sg_iovec *, int, int, gfp_t); @@ -337,9 +338,10 @@ extern struct bio *bio_copy_kern(struct request_queue *, void *, unsigned int, gfp_t, int); extern void bio_set_pages_dirty(struct bio *bio); extern void bio_check_pages_dirty(struct bio *bio); -extern struct bio *bio_copy_user(struct request_queue *, unsigned long, - unsigned int, int, gfp_t); -extern struct bio *bio_copy_user_iov(struct request_queue *, struct sg_iovec *, +extern struct bio *bio_copy_user(struct request_queue *, struct rq_map_data *, + unsigned long, unsigned int, int, gfp_t); +extern struct bio *bio_copy_user_iov(struct request_queue *, + struct rq_map_data *, struct sg_iovec *, int, int, gfp_t); extern int bio_uncopy_user(struct bio *); void zero_fill_bio(struct bio *bio); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 00e388d0e221..358ac423ed2f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -642,6 +642,12 @@ static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio) } #endif /* CONFIG_MMU */ +struct rq_map_data { + struct page **pages; + int page_order; + int nr_entries; +}; + struct req_iterator { int i; struct bio *bio; @@ -711,11 +717,13 @@ extern void __blk_run_queue(struct request_queue *); extern void blk_run_queue(struct request_queue *); extern void blk_start_queueing(struct request_queue *); extern int blk_rq_map_user(struct request_queue *, struct request *, - void __user *, unsigned long, gfp_t); + struct rq_map_data *, void __user *, unsigned long, + gfp_t); extern int blk_rq_unmap_user(struct bio *); extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t); extern int blk_rq_map_user_iov(struct request_queue *, struct request *, - struct sg_iovec *, int, unsigned int, gfp_t); + struct rq_map_data *, struct sg_iovec *, int, + unsigned int, gfp_t); extern int blk_execute_rq(struct request_queue *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, -- GitLab From 10865dfa34e7552c4c64606edcdf1e21a110c985 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 16:17:07 +0900 Subject: [PATCH 3189/6244] sg: convert the non-data path to use the block layer This patch converts the non data path to use the block layer functions (blk_get_request, blk_execute_rq_nowait, etc) instead of uses scsi_execute_async(). Signed-off-by: FUJITA Tomonori Signed-off-by: Douglas Gilbert Cc: Mike Christie Cc: James Bottomley Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 53 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 48 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 661f9f21650a..487c7776cc4e 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -137,6 +137,7 @@ typedef struct sg_request { /* SG_MAX_QUEUE requests outstanding per file */ char orphan; /* 1 -> drop on sight, 0 -> normal */ char sg_io_owned; /* 1 -> packet belongs to SG_IO */ volatile char done; /* 0->before bh, 1->before read, 2->read */ + struct request *rq; } Sg_request; typedef struct sg_fd { /* holds the state of a file descriptor */ @@ -176,7 +177,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ static int sg_fasync(int fd, struct file *filp, int mode); /* tasklet or soft irq callback */ static void sg_cmd_done(void *data, char *sense, int result, int resid); -static int sg_start_req(Sg_request * srp); +static int sg_start_req(Sg_request *srp, unsigned char *cmd); static void sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); static int sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, @@ -229,6 +230,11 @@ static int sg_allow_access(struct file *filp, unsigned char *cmd) cmd, filp->f_mode & FMODE_WRITE); } +static void sg_rq_end_io(struct request *rq, int uptodate) +{ + sg_cmd_done(rq->end_io_data, rq->sense, rq->errors, rq->data_len); +} + static int sg_open(struct inode *inode, struct file *filp) { @@ -732,7 +738,8 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, SCSI_LOG_TIMEOUT(4, printk("sg_common_write: scsi opcode=0x%02x, cmd_size=%d\n", (int) cmnd[0], (int) hp->cmd_len)); - if ((k = sg_start_req(srp))) { + k = sg_start_req(srp, cmnd); + if (k) { SCSI_LOG_TIMEOUT(1, printk("sg_common_write: start_req err=%d\n", k)); sg_finish_rem_req(srp); return k; /* probably out of space --> ENOMEM */ @@ -765,6 +772,12 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, hp->duration = jiffies_to_msecs(jiffies); /* Now send everything of to mid-level. The next time we hear about this packet is when sg_cmd_done() is called (i.e. a callback). */ + if (srp->rq) { + srp->rq->timeout = timeout; + blk_execute_rq_nowait(sdp->device->request_queue, sdp->disk, + srp->rq, 1, sg_rq_end_io); + return 0; + } if (scsi_execute_async(sdp->device, cmnd, hp->cmd_len, data_dir, srp->data.buffer, hp->dxfer_len, srp->data.k_use_sg, timeout, SG_DEFAULT_RETRIES, srp, sg_cmd_done, @@ -1634,8 +1647,32 @@ exit_sg(void) idr_destroy(&sg_index_idr); } -static int -sg_start_req(Sg_request * srp) +static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp, + unsigned char *cmd) +{ + struct sg_fd *sfp = srp->parentfp; + struct request_queue *q = sfp->parentdp->device->request_queue; + struct request *rq; + int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ; + + rq = blk_get_request(q, rw, GFP_ATOMIC); + if (!rq) + return -ENOMEM; + + memcpy(rq->cmd, cmd, hp->cmd_len); + + rq->cmd_len = hp->cmd_len; + rq->cmd_type = REQ_TYPE_BLOCK_PC; + + srp->rq = rq; + rq->end_io_data = srp; + rq->sense = srp->sense_b; + rq->retries = SG_DEFAULT_RETRIES; + + return 0; +} + +static int sg_start_req(Sg_request *srp, unsigned char *cmd) { int res; Sg_fd *sfp = srp->parentfp; @@ -1646,8 +1683,10 @@ sg_start_req(Sg_request * srp) Sg_scatter_hold *rsv_schp = &sfp->reserve; SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); + if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) - return 0; + return __sg_start_req(srp, hp, cmd); + if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && (!sfp->parentdp->device->host->unchecked_isa_dma)) { @@ -1678,6 +1717,10 @@ sg_finish_rem_req(Sg_request * srp) sg_unlink_reserve(sfp, srp); else sg_remove_scat(req_schp); + + if (srp->rq) + blk_put_request(srp->rq); + sg_remove_request(sfp, srp); } -- GitLab From 6e5a30cba5e7c03b2cd564e968f1dd667a0f7c42 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 16:17:08 +0900 Subject: [PATCH 3190/6244] sg: convert the direct IO path to use the block layer This patch converts the direct IO path (SG_FLAG_DIRECT_IO) to use the block layer functions (blk_get_request, blk_execute_rq_nowait, blk_rq_map_user, etc) instead of scsi_execute_async(). Signed-off-by: FUJITA Tomonori Signed-off-by: Douglas Gilbert Cc: Mike Christie Cc: James Bottomley Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 173 ++++++++-------------------------------------- 1 file changed, 27 insertions(+), 146 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 487c7776cc4e..cb6de0752ee1 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -138,6 +138,7 @@ typedef struct sg_request { /* SG_MAX_QUEUE requests outstanding per file */ char sg_io_owned; /* 1 -> packet belongs to SG_IO */ volatile char done; /* 0->before bh, 1->before read, 2->read */ struct request *rq; + struct bio *bio; } Sg_request; typedef struct sg_fd { /* holds the state of a file descriptor */ @@ -1679,21 +1680,29 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; int dxfer_dir = hp->dxfer_direction; + unsigned long uaddr = (unsigned long)hp->dxferp; Sg_scatter_hold *req_schp = &srp->data; Sg_scatter_hold *rsv_schp = &sfp->reserve; + struct request_queue *q = sfp->parentdp->device->request_queue; + unsigned long alignment = queue_dma_alignment(q) | q->dma_pad_mask; SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) return __sg_start_req(srp, hp, cmd); +#ifdef SG_ALLOW_DIO_CODE if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && - (!sfp->parentdp->device->host->unchecked_isa_dma)) { - res = sg_build_direct(srp, sfp, dxfer_len); - if (res <= 0) /* -ve -> error, 0 -> done, 1 -> try indirect */ - return res; + (!sfp->parentdp->device->host->unchecked_isa_dma) && + !(uaddr & alignment) && !(dxfer_len & alignment)) { + res = __sg_start_req(srp, hp, cmd); + if (!res) + res = sg_build_direct(srp, sfp, dxfer_len); + + return res; } +#endif if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) sg_link_reserve(sfp, srp, dxfer_len); else { @@ -1718,8 +1727,11 @@ sg_finish_rem_req(Sg_request * srp) else sg_remove_scat(req_schp); - if (srp->rq) + if (srp->rq) { + if (srp->bio) + blk_rq_unmap_user(srp->bio); blk_put_request(srp->rq); + } sg_remove_request(sfp, srp); } @@ -1746,151 +1758,23 @@ sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize) return tablesize; /* number of scat_gath elements allocated */ } -#ifdef SG_ALLOW_DIO_CODE -/* vvvvvvvv following code borrowed from st driver's direct IO vvvvvvvvv */ - /* TODO: hopefully we can use the generic block layer code */ - -/* Pin down user pages and put them into a scatter gather list. Returns <= 0 if - - mapping of all pages not successful - (i.e., either completely successful or fails) -*/ -static int -st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, - unsigned long uaddr, size_t count, int rw) -{ - unsigned long end = (uaddr + count + PAGE_SIZE - 1) >> PAGE_SHIFT; - unsigned long start = uaddr >> PAGE_SHIFT; - const int nr_pages = end - start; - int res, i, j; - struct page **pages; - - /* User attempted Overflow! */ - if ((uaddr + count) < uaddr) - return -EINVAL; - - /* Too big */ - if (nr_pages > max_pages) - return -ENOMEM; - - /* Hmm? */ - if (count == 0) - return 0; - - if ((pages = kmalloc(max_pages * sizeof(*pages), GFP_ATOMIC)) == NULL) - return -ENOMEM; - - /* Try to fault in all of the necessary pages */ - down_read(¤t->mm->mmap_sem); - /* rw==READ means read from drive, write into memory area */ - res = get_user_pages( - current, - current->mm, - uaddr, - nr_pages, - rw == READ, - 0, /* don't force */ - pages, - NULL); - up_read(¤t->mm->mmap_sem); - - /* Errors and no page mapped should return here */ - if (res < nr_pages) - goto out_unmap; - - for (i=0; i < nr_pages; i++) { - /* FIXME: flush superflous for rw==READ, - * probably wrong function for rw==WRITE - */ - flush_dcache_page(pages[i]); - /* ?? Is locking needed? I don't think so */ - /* if (!trylock_page(pages[i])) - goto out_unlock; */ - } - - sg_set_page(sgl, pages[0], 0, uaddr & ~PAGE_MASK); - if (nr_pages > 1) { - sgl[0].length = PAGE_SIZE - sgl[0].offset; - count -= sgl[0].length; - for (i=1; i < nr_pages ; i++) - sg_set_page(&sgl[i], pages[i], count < PAGE_SIZE ? count : PAGE_SIZE, 0); - } - else { - sgl[0].length = count; - } - - kfree(pages); - return nr_pages; - - out_unmap: - if (res > 0) { - for (j=0; j < res; j++) - page_cache_release(pages[j]); - res = 0; - } - kfree(pages); - return res; -} - - -/* And unmap them... */ -static int -st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages, - int dirtied) -{ - int i; - - for (i=0; i < nr_pages; i++) { - struct page *page = sg_page(&sgl[i]); - - if (dirtied) - SetPageDirty(page); - /* unlock_page(page); */ - /* FIXME: cache flush missing for rw==READ - * FIXME: call the correct reference counting function - */ - page_cache_release(page); - } - - return 0; -} - -/* ^^^^^^^^ above code borrowed from st driver's direct IO ^^^^^^^^^ */ -#endif - - /* Returns: -ve -> error, 0 -> done, 1 -> try indirect */ static int sg_build_direct(Sg_request * srp, Sg_fd * sfp, int dxfer_len) { -#ifdef SG_ALLOW_DIO_CODE sg_io_hdr_t *hp = &srp->header; Sg_scatter_hold *schp = &srp->data; - int sg_tablesize = sfp->parentdp->sg_tablesize; - int mx_sc_elems, res; - struct scsi_device *sdev = sfp->parentdp->device; - - if (((unsigned long)hp->dxferp & - queue_dma_alignment(sdev->request_queue)) != 0) - return 1; + int res; + struct request *rq = srp->rq; + struct request_queue *q = sfp->parentdp->device->request_queue; - mx_sc_elems = sg_build_sgat(schp, sfp, sg_tablesize); - if (mx_sc_elems <= 0) { - return 1; - } - res = st_map_user_pages(schp->buffer, mx_sc_elems, - (unsigned long)hp->dxferp, dxfer_len, - (SG_DXFER_TO_DEV == hp->dxfer_direction) ? 1 : 0); - if (res <= 0) { - sg_remove_scat(schp); - return 1; - } - schp->k_use_sg = res; + res = blk_rq_map_user(q, rq, NULL, hp->dxferp, dxfer_len, GFP_ATOMIC); + if (res) + return res; + srp->bio = rq->bio; schp->dio_in_use = 1; hp->info |= SG_INFO_DIRECT_IO; return 0; -#else - return 1; -#endif } static int @@ -2069,11 +1953,7 @@ sg_remove_scat(Sg_scatter_hold * schp) if (schp->buffer && (schp->sglist_len > 0)) { struct scatterlist *sg = schp->buffer; - if (schp->dio_in_use) { -#ifdef SG_ALLOW_DIO_CODE - st_unmap_user_pages(sg, schp->k_use_sg, TRUE); -#endif - } else { + if (!schp->dio_in_use) { int k; for (k = 0; (k < schp->k_use_sg) && sg_page(sg); @@ -2083,8 +1963,9 @@ sg_remove_scat(Sg_scatter_hold * schp) k, sg_page(sg), sg->length)); sg_page_free(sg_page(sg), sg->length); } + + kfree(schp->buffer); } - kfree(schp->buffer); } memset(schp, 0, sizeof (*schp)); } -- GitLab From 10db10d144c0248f285242f79daf6b9de6b00a62 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 29 Aug 2008 12:32:18 +0200 Subject: [PATCH 3191/6244] sg: convert the indirect IO path to use the block layer This patch converts the indirect IO path (including mmap IO and old struct sg_header) to use the block layer functions (blk_get_request, blk_execute_rq_nowait, blk_rq_map_user, etc) instead of scsi_execute_async(). [Jens: fixed compile error with SCSI logging enabled] Signed-off-by: FUJITA Tomonori Signed-off-by: Douglas Gilbert Cc: Mike Christie Cc: James Bottomley Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 397 ++++++++++++---------------------------------- 1 file changed, 105 insertions(+), 292 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index cb6de0752ee1..d6391666502c 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -47,7 +47,6 @@ static int sg_version_num = 30534; /* 2 digits for each component */ #include #include #include -#include #include #include @@ -119,7 +118,8 @@ typedef struct sg_scatter_hold { /* holding area for scsi scatter gather info */ unsigned sglist_len; /* size of malloc'd scatter-gather list ++ */ unsigned bufflen; /* Size of (aggregate) data buffer */ unsigned b_malloc_len; /* actual len malloc'ed in buffer */ - struct scatterlist *buffer;/* scatter list */ + struct page **pages; + int page_order; char dio_in_use; /* 0->indirect IO (or mmap), 1->dio */ unsigned char cmd_opcode; /* first byte of command */ } Sg_scatter_hold; @@ -190,8 +190,6 @@ static ssize_t sg_new_write(Sg_fd *sfp, struct file *file, int read_only, Sg_request **o_srp); static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking); -static int sg_u_iovec(sg_io_hdr_t * hp, int sg_num, int ind, - int wr_xf, int *countp, unsigned char __user **up); static int sg_write_xfer(Sg_request * srp); static int sg_read_xfer(Sg_request * srp); static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer); @@ -199,8 +197,6 @@ static void sg_remove_scat(Sg_scatter_hold * schp); static void sg_build_reserve(Sg_fd * sfp, int req_size); static void sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size); static void sg_unlink_reserve(Sg_fd * sfp, Sg_request * srp); -static struct page *sg_page_malloc(int rqSz, int lowDma, int *retSzp); -static void sg_page_free(struct page *page, int size); static Sg_fd *sg_add_sfp(Sg_device * sdp, int dev); static int sg_remove_sfp(Sg_device * sdp, Sg_fd * sfp); static void __sg_remove_sfp(Sg_device * sdp, Sg_fd * sfp); @@ -771,26 +767,11 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, break; } hp->duration = jiffies_to_msecs(jiffies); -/* Now send everything of to mid-level. The next time we hear about this - packet is when sg_cmd_done() is called (i.e. a callback). */ - if (srp->rq) { - srp->rq->timeout = timeout; - blk_execute_rq_nowait(sdp->device->request_queue, sdp->disk, - srp->rq, 1, sg_rq_end_io); - return 0; - } - if (scsi_execute_async(sdp->device, cmnd, hp->cmd_len, data_dir, srp->data.buffer, - hp->dxfer_len, srp->data.k_use_sg, timeout, - SG_DEFAULT_RETRIES, srp, sg_cmd_done, - GFP_ATOMIC)) { - SCSI_LOG_TIMEOUT(1, printk("sg_common_write: scsi_execute_async failed\n")); - /* - * most likely out of mem, but could also be a bad map - */ - sg_finish_rem_req(srp); - return -ENOMEM; - } else - return 0; + + srp->rq->timeout = timeout; + blk_execute_rq_nowait(sdp->device->request_queue, sdp->disk, + srp->rq, 1, sg_rq_end_io); + return 0; } static int @@ -1206,8 +1187,7 @@ sg_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) Sg_fd *sfp; unsigned long offset, len, sa; Sg_scatter_hold *rsv_schp; - struct scatterlist *sg; - int k; + int k, length; if ((NULL == vma) || (!(sfp = (Sg_fd *) vma->vm_private_data))) return VM_FAULT_SIGBUS; @@ -1217,15 +1197,14 @@ sg_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_SIGBUS; SCSI_LOG_TIMEOUT(3, printk("sg_vma_fault: offset=%lu, scatg=%d\n", offset, rsv_schp->k_use_sg)); - sg = rsv_schp->buffer; sa = vma->vm_start; - for (k = 0; (k < rsv_schp->k_use_sg) && (sa < vma->vm_end); - ++k, sg = sg_next(sg)) { + length = 1 << (PAGE_SHIFT + rsv_schp->page_order); + for (k = 0; k < rsv_schp->k_use_sg && sa < vma->vm_end; k++) { len = vma->vm_end - sa; - len = (len < sg->length) ? len : sg->length; + len = (len < length) ? len : length; if (offset < len) { - struct page *page; - page = virt_to_page(page_address(sg_page(sg)) + offset); + struct page *page = nth_page(rsv_schp->pages[k], + offset >> PAGE_SHIFT); get_page(page); /* increment page count */ vmf->page = page; return 0; /* success */ @@ -1247,8 +1226,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) Sg_fd *sfp; unsigned long req_sz, len, sa; Sg_scatter_hold *rsv_schp; - int k; - struct scatterlist *sg; + int k, length; if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data))) return -ENXIO; @@ -1262,11 +1240,10 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) return -ENOMEM; /* cannot map more than reserved buffer */ sa = vma->vm_start; - sg = rsv_schp->buffer; - for (k = 0; (k < rsv_schp->k_use_sg) && (sa < vma->vm_end); - ++k, sg = sg_next(sg)) { + length = 1 << (PAGE_SHIFT + rsv_schp->page_order); + for (k = 0; k < rsv_schp->k_use_sg && sa < vma->vm_end; k++) { len = vma->vm_end - sa; - len = (len < sg->length) ? len : sg->length; + len = (len < length) ? len : length; sa += len; } @@ -1310,7 +1287,6 @@ sg_cmd_done(void *data, char *sense, int result, int resid) if (0 != result) { struct scsi_sense_hdr sshdr; - memcpy(srp->sense_b, sense, sizeof (srp->sense_b)); srp->header.status = 0xff & result; srp->header.masked_status = status_byte(result); srp->header.msg_status = msg_byte(result); @@ -1685,34 +1661,51 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) Sg_scatter_hold *rsv_schp = &sfp->reserve; struct request_queue *q = sfp->parentdp->device->request_queue; unsigned long alignment = queue_dma_alignment(q) | q->dma_pad_mask; + struct rq_map_data map_data; SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); + res = __sg_start_req(srp, hp, cmd); + if (res) + return res; + if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) - return __sg_start_req(srp, hp, cmd); + return 0; #ifdef SG_ALLOW_DIO_CODE if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && (!sfp->parentdp->device->host->unchecked_isa_dma) && - !(uaddr & alignment) && !(dxfer_len & alignment)) { - res = __sg_start_req(srp, hp, cmd); - if (!res) - res = sg_build_direct(srp, sfp, dxfer_len); - - return res; - } + !(uaddr & alignment) && !(dxfer_len & alignment)) + return sg_build_direct(srp, sfp, dxfer_len); #endif if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) sg_link_reserve(sfp, srp, dxfer_len); - else { + else res = sg_build_indirect(req_schp, sfp, dxfer_len); - if (res) { - sg_remove_scat(req_schp); - return res; - } + + if (!res) { + struct request *rq = srp->rq; + Sg_scatter_hold *schp = &srp->data; + int iovec_count = (int) hp->iovec_count; + + map_data.pages = schp->pages; + map_data.page_order = schp->page_order; + map_data.nr_entries = schp->k_use_sg; + + if (iovec_count) + res = blk_rq_map_user_iov(q, rq, &map_data, hp->dxferp, + iovec_count, + hp->dxfer_len, GFP_ATOMIC); + else + res = blk_rq_map_user(q, rq, &map_data, hp->dxferp, + hp->dxfer_len, GFP_ATOMIC); + + if (!res) + srp->bio = rq->bio; } - return 0; + + return res; } static void @@ -1730,6 +1723,7 @@ sg_finish_rem_req(Sg_request * srp) if (srp->rq) { if (srp->bio) blk_rq_unmap_user(srp->bio); + blk_put_request(srp->rq); } @@ -1739,21 +1733,12 @@ sg_finish_rem_req(Sg_request * srp) static int sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize) { - int sg_bufflen = tablesize * sizeof(struct scatterlist); + int sg_bufflen = tablesize * sizeof(struct page *); gfp_t gfp_flags = GFP_ATOMIC | __GFP_NOWARN; - /* - * TODO: test without low_dma, we should not need it since - * the block layer will bounce the buffer for us - * - * XXX(hch): we shouldn't need GFP_DMA for the actual S/G list. - */ - if (sfp->low_dma) - gfp_flags |= GFP_DMA; - schp->buffer = kzalloc(sg_bufflen, gfp_flags); - if (!schp->buffer) + schp->pages = kzalloc(sg_bufflen, gfp_flags); + if (!schp->pages) return -ENOMEM; - sg_init_table(schp->buffer, tablesize); schp->sglist_len = sg_bufflen; return tablesize; /* number of scat_gath elements allocated */ } @@ -1780,11 +1765,10 @@ sg_build_direct(Sg_request * srp, Sg_fd * sfp, int dxfer_len) static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) { - struct scatterlist *sg; - int ret_sz = 0, k, rem_sz, num, mx_sc_elems; + int ret_sz = 0, i, k, rem_sz, num, mx_sc_elems; int sg_tablesize = sfp->parentdp->sg_tablesize; - int blk_size = buff_size; - struct page *p = NULL; + int blk_size = buff_size, order; + gfp_t gfp_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN; if (blk_size < 0) return -EFAULT; @@ -1808,15 +1792,26 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) } else scatter_elem_sz_prev = num; } - for (k = 0, sg = schp->buffer, rem_sz = blk_size; - (rem_sz > 0) && (k < mx_sc_elems); - ++k, rem_sz -= ret_sz, sg = sg_next(sg)) { - + + if (sfp->low_dma) + gfp_mask |= GFP_DMA; + + if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) + gfp_mask |= __GFP_ZERO; + + order = get_order(num); +retry: + ret_sz = 1 << (PAGE_SHIFT + order); + + for (k = 0, rem_sz = blk_size; rem_sz > 0 && k < mx_sc_elems; + k++, rem_sz -= ret_sz) { + num = (rem_sz > scatter_elem_sz_prev) ? - scatter_elem_sz_prev : rem_sz; - p = sg_page_malloc(num, sfp->low_dma, &ret_sz); - if (!p) - return -ENOMEM; + scatter_elem_sz_prev : rem_sz; + + schp->pages[k] = alloc_pages(gfp_mask, order); + if (!schp->pages[k]) + goto out; if (num == scatter_elem_sz_prev) { if (unlikely(ret_sz > scatter_elem_sz_prev)) { @@ -1824,12 +1819,12 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) scatter_elem_sz_prev = ret_sz; } } - sg_set_page(sg, p, (ret_sz > num) ? num : ret_sz, 0); SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k=%d, num=%d, " "ret_sz=%d\n", k, num, ret_sz)); } /* end of for loop */ + schp->page_order = order; schp->k_use_sg = k; SCSI_LOG_TIMEOUT(5, printk("sg_build_indirect: k_use_sg=%d, " "rem_sz=%d\n", k, rem_sz)); @@ -1837,8 +1832,15 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) schp->bufflen = blk_size; if (rem_sz > 0) /* must have failed */ return -ENOMEM; - return 0; +out: + for (i = 0; i < k; i++) + __free_pages(schp->pages[k], order); + + if (--order >= 0) + goto retry; + + return -ENOMEM; } static int @@ -1846,13 +1848,8 @@ sg_write_xfer(Sg_request * srp) { sg_io_hdr_t *hp = &srp->header; Sg_scatter_hold *schp = &srp->data; - struct scatterlist *sg = schp->buffer; int num_xfer = 0; - int j, k, onum, usglen, ksglen, res; - int iovec_count = (int) hp->iovec_count; int dxfer_dir = hp->dxfer_direction; - unsigned char *p; - unsigned char __user *up; int new_interface = ('\0' == hp->interface_id) ? 0 : 1; if ((SG_DXFER_UNKNOWN == dxfer_dir) || (SG_DXFER_TO_DEV == dxfer_dir) || @@ -1866,83 +1863,9 @@ sg_write_xfer(Sg_request * srp) && ((SG_FLAG_NO_DXFER | SG_FLAG_MMAP_IO) & hp->flags))) return 0; - SCSI_LOG_TIMEOUT(4, printk("sg_write_xfer: num_xfer=%d, iovec_count=%d, k_use_sg=%d\n", - num_xfer, iovec_count, schp->k_use_sg)); - if (iovec_count) { - onum = iovec_count; - if (!access_ok(VERIFY_READ, hp->dxferp, SZ_SG_IOVEC * onum)) - return -EFAULT; - } else - onum = 1; - - ksglen = sg->length; - p = page_address(sg_page(sg)); - for (j = 0, k = 0; j < onum; ++j) { - res = sg_u_iovec(hp, iovec_count, j, 1, &usglen, &up); - if (res) - return res; - - for (; p; sg = sg_next(sg), ksglen = sg->length, - p = page_address(sg_page(sg))) { - if (usglen <= 0) - break; - if (ksglen > usglen) { - if (usglen >= num_xfer) { - if (__copy_from_user(p, up, num_xfer)) - return -EFAULT; - return 0; - } - if (__copy_from_user(p, up, usglen)) - return -EFAULT; - p += usglen; - ksglen -= usglen; - break; - } else { - if (ksglen >= num_xfer) { - if (__copy_from_user(p, up, num_xfer)) - return -EFAULT; - return 0; - } - if (__copy_from_user(p, up, ksglen)) - return -EFAULT; - up += ksglen; - usglen -= ksglen; - } - ++k; - if (k >= schp->k_use_sg) - return 0; - } - } - - return 0; -} + SCSI_LOG_TIMEOUT(4, printk("sg_write_xfer: num_xfer=%d, k_use_sg=%d\n", + num_xfer, schp->k_use_sg)); -static int -sg_u_iovec(sg_io_hdr_t * hp, int sg_num, int ind, - int wr_xf, int *countp, unsigned char __user **up) -{ - int num_xfer = (int) hp->dxfer_len; - unsigned char __user *p = hp->dxferp; - int count; - - if (0 == sg_num) { - if (wr_xf && ('\0' == hp->interface_id)) - count = (int) hp->flags; /* holds "old" input_size */ - else - count = num_xfer; - } else { - sg_iovec_t iovec; - if (__copy_from_user(&iovec, p + ind*SZ_SG_IOVEC, SZ_SG_IOVEC)) - return -EFAULT; - p = iovec.iov_base; - count = (int) iovec.iov_len; - } - if (!access_ok(wr_xf ? VERIFY_READ : VERIFY_WRITE, p, count)) - return -EFAULT; - if (up) - *up = p; - if (countp) - *countp = count; return 0; } @@ -1950,21 +1873,18 @@ static void sg_remove_scat(Sg_scatter_hold * schp) { SCSI_LOG_TIMEOUT(4, printk("sg_remove_scat: k_use_sg=%d\n", schp->k_use_sg)); - if (schp->buffer && (schp->sglist_len > 0)) { - struct scatterlist *sg = schp->buffer; - + if (schp->pages && schp->sglist_len > 0) { if (!schp->dio_in_use) { int k; - for (k = 0; (k < schp->k_use_sg) && sg_page(sg); - ++k, sg = sg_next(sg)) { + for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) { SCSI_LOG_TIMEOUT(5, printk( - "sg_remove_scat: k=%d, pg=0x%p, len=%d\n", - k, sg_page(sg), sg->length)); - sg_page_free(sg_page(sg), sg->length); + "sg_remove_scat: k=%d, pg=0x%p\n", + k, schp->pages[k])); + __free_pages(schp->pages[k], schp->page_order); } - kfree(schp->buffer); + kfree(schp->pages); } } memset(schp, 0, sizeof (*schp)); @@ -1975,13 +1895,8 @@ sg_read_xfer(Sg_request * srp) { sg_io_hdr_t *hp = &srp->header; Sg_scatter_hold *schp = &srp->data; - struct scatterlist *sg = schp->buffer; int num_xfer = 0; - int j, k, onum, usglen, ksglen, res; - int iovec_count = (int) hp->iovec_count; int dxfer_dir = hp->dxfer_direction; - unsigned char *p; - unsigned char __user *up; int new_interface = ('\0' == hp->interface_id) ? 0 : 1; if ((SG_DXFER_UNKNOWN == dxfer_dir) || (SG_DXFER_FROM_DEV == dxfer_dir) @@ -1996,53 +1911,7 @@ sg_read_xfer(Sg_request * srp) return 0; SCSI_LOG_TIMEOUT(4, printk("sg_read_xfer: num_xfer=%d, iovec_count=%d, k_use_sg=%d\n", - num_xfer, iovec_count, schp->k_use_sg)); - if (iovec_count) { - onum = iovec_count; - if (!access_ok(VERIFY_READ, hp->dxferp, SZ_SG_IOVEC * onum)) - return -EFAULT; - } else - onum = 1; - - p = page_address(sg_page(sg)); - ksglen = sg->length; - for (j = 0, k = 0; j < onum; ++j) { - res = sg_u_iovec(hp, iovec_count, j, 0, &usglen, &up); - if (res) - return res; - - for (; p; sg = sg_next(sg), ksglen = sg->length, - p = page_address(sg_page(sg))) { - if (usglen <= 0) - break; - if (ksglen > usglen) { - if (usglen >= num_xfer) { - if (__copy_to_user(up, p, num_xfer)) - return -EFAULT; - return 0; - } - if (__copy_to_user(up, p, usglen)) - return -EFAULT; - p += usglen; - ksglen -= usglen; - break; - } else { - if (ksglen >= num_xfer) { - if (__copy_to_user(up, p, num_xfer)) - return -EFAULT; - return 0; - } - if (__copy_to_user(up, p, ksglen)) - return -EFAULT; - up += ksglen; - usglen -= ksglen; - } - ++k; - if (k >= schp->k_use_sg) - return 0; - } - } - + num_xfer, (int)hp->iovec_count, schp->k_use_sg)); return 0; } @@ -2050,7 +1919,6 @@ static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) { Sg_scatter_hold *schp = &srp->data; - struct scatterlist *sg = schp->buffer; int k, num; SCSI_LOG_TIMEOUT(4, printk("sg_read_oxfer: num_read_xfer=%d\n", @@ -2058,15 +1926,18 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) if ((!outp) || (num_read_xfer <= 0)) return 0; - for (k = 0; (k < schp->k_use_sg) && sg_page(sg); ++k, sg = sg_next(sg)) { - num = sg->length; + blk_rq_unmap_user(srp->bio); + srp->bio = NULL; + + num = 1 << (PAGE_SHIFT + schp->page_order); + for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) { if (num > num_read_xfer) { - if (__copy_to_user(outp, page_address(sg_page(sg)), + if (__copy_to_user(outp, page_address(schp->pages[k]), num_read_xfer)) return -EFAULT; break; } else { - if (__copy_to_user(outp, page_address(sg_page(sg)), + if (__copy_to_user(outp, page_address(schp->pages[k]), num)) return -EFAULT; num_read_xfer -= num; @@ -2101,24 +1972,22 @@ sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size) { Sg_scatter_hold *req_schp = &srp->data; Sg_scatter_hold *rsv_schp = &sfp->reserve; - struct scatterlist *sg = rsv_schp->buffer; int k, num, rem; srp->res_used = 1; SCSI_LOG_TIMEOUT(4, printk("sg_link_reserve: size=%d\n", size)); rem = size; - for (k = 0; k < rsv_schp->k_use_sg; ++k, sg = sg_next(sg)) { - num = sg->length; + num = 1 << (PAGE_SHIFT + rsv_schp->page_order); + for (k = 0; k < rsv_schp->k_use_sg; k++) { if (rem <= num) { - sfp->save_scat_len = num; - sg->length = rem; req_schp->k_use_sg = k + 1; req_schp->sglist_len = rsv_schp->sglist_len; - req_schp->buffer = rsv_schp->buffer; + req_schp->pages = rsv_schp->pages; req_schp->bufflen = size; req_schp->b_malloc_len = rsv_schp->b_malloc_len; + req_schp->page_order = rsv_schp->page_order; break; } else rem -= num; @@ -2132,22 +2001,13 @@ static void sg_unlink_reserve(Sg_fd * sfp, Sg_request * srp) { Sg_scatter_hold *req_schp = &srp->data; - Sg_scatter_hold *rsv_schp = &sfp->reserve; SCSI_LOG_TIMEOUT(4, printk("sg_unlink_reserve: req->k_use_sg=%d\n", (int) req_schp->k_use_sg)); - if ((rsv_schp->k_use_sg > 0) && (req_schp->k_use_sg > 0)) { - struct scatterlist *sg = rsv_schp->buffer; - - if (sfp->save_scat_len > 0) - (sg + (req_schp->k_use_sg - 1))->length = - (unsigned) sfp->save_scat_len; - else - SCSI_LOG_TIMEOUT(1, printk ("sg_unlink_reserve: BAD save_scat_len\n")); - } req_schp->k_use_sg = 0; req_schp->bufflen = 0; - req_schp->buffer = NULL; + req_schp->pages = NULL; + req_schp->page_order = 0; req_schp->sglist_len = 0; sfp->save_scat_len = 0; srp->res_used = 0; @@ -2405,53 +2265,6 @@ sg_res_in_use(Sg_fd * sfp) return srp ? 1 : 0; } -/* The size fetched (value output via retSzp) set when non-NULL return */ -static struct page * -sg_page_malloc(int rqSz, int lowDma, int *retSzp) -{ - struct page *resp = NULL; - gfp_t page_mask; - int order, a_size; - int resSz; - - if ((rqSz <= 0) || (NULL == retSzp)) - return resp; - - if (lowDma) - page_mask = GFP_ATOMIC | GFP_DMA | __GFP_COMP | __GFP_NOWARN; - else - page_mask = GFP_ATOMIC | __GFP_COMP | __GFP_NOWARN; - - for (order = 0, a_size = PAGE_SIZE; a_size < rqSz; - order++, a_size <<= 1) ; - resSz = a_size; /* rounded up if necessary */ - resp = alloc_pages(page_mask, order); - while ((!resp) && order) { - --order; - a_size >>= 1; /* divide by 2, until PAGE_SIZE */ - resp = alloc_pages(page_mask, order); /* try half */ - resSz = a_size; - } - if (resp) { - if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) - memset(page_address(resp), 0, resSz); - *retSzp = resSz; - } - return resp; -} - -static void -sg_page_free(struct page *page, int size) -{ - int order, a_size; - - if (!page) - return; - for (order = 0, a_size = PAGE_SIZE; a_size < size; - order++, a_size <<= 1) ; - __free_pages(page, order); -} - #ifdef CONFIG_SCSI_PROC_FS static int sg_idr_max_id(int id, void *p, void *data) -- GitLab From 4d8ab62e087d9300883b82c2662e73e6eef803a3 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 15:05:57 +0900 Subject: [PATCH 3192/6244] bio: convert bio_copy_kern to use bio_copy_user bio_copy_kern and bio_copy_user are very similar. This converts bio_copy_kern to use bio_copy_user. Signed-off-by: FUJITA Tomonori Cc: Jens Axboe Signed-off-by: Jens Axboe --- fs/bio.c | 54 ++++-------------------------------------------------- 1 file changed, 4 insertions(+), 50 deletions(-) diff --git a/fs/bio.c b/fs/bio.c index a2f072647cdf..9d68ddb89b71 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -995,48 +995,13 @@ static void bio_copy_kern_endio(struct bio *bio, int err) struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, gfp_t gfp_mask, int reading) { - unsigned long kaddr = (unsigned long)data; - unsigned long end = (kaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT; - unsigned long start = kaddr >> PAGE_SHIFT; - const int nr_pages = end - start; struct bio *bio; struct bio_vec *bvec; - struct bio_map_data *bmd; - int i, ret; - struct sg_iovec iov; - - iov.iov_base = data; - iov.iov_len = len; - - bmd = bio_alloc_map_data(nr_pages, 1, gfp_mask); - if (!bmd) - return ERR_PTR(-ENOMEM); - - ret = -ENOMEM; - bio = bio_alloc(gfp_mask, nr_pages); - if (!bio) - goto out_bmd; - - while (len) { - struct page *page; - unsigned int bytes = PAGE_SIZE; - - if (bytes > len) - bytes = len; - - page = alloc_page(q->bounce_gfp | gfp_mask); - if (!page) { - ret = -ENOMEM; - goto cleanup; - } - - if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) { - ret = -EINVAL; - goto cleanup; - } + int i; - len -= bytes; - } + bio = bio_copy_user(q, NULL, (unsigned long)data, len, 1, gfp_mask); + if (IS_ERR(bio)) + return bio; if (!reading) { void *p = data; @@ -1049,20 +1014,9 @@ struct bio *bio_copy_kern(struct request_queue *q, void *data, unsigned int len, } } - bio->bi_private = bmd; bio->bi_end_io = bio_copy_kern_endio; - bio_set_map_data(bmd, bio, &iov, 1, 1); return bio; -cleanup: - bio_for_each_segment(bvec, bio, i) - __free_page(bvec->bv_page); - - bio_put(bio); -out_bmd: - bio_free_map_data(bmd); - - return ERR_PTR(ret); } /* -- GitLab From 879040742cf09f2360a9ac41846288707e4e567c Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 15:05:58 +0900 Subject: [PATCH 3193/6244] block: add blk_rq_aligned helper function This adds blk_rq_aligned helper function to see if alignment and padding requirement is satisfied for DMA transfer. This also converts blk_rq_map_kern and __blk_rq_map_user to use the helper function. Signed-off-by: FUJITA Tomonori Cc: Jens Axboe Signed-off-by: Jens Axboe --- block/blk-map.c | 12 ++---------- include/linux/blkdev.h | 7 +++++++ 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/block/blk-map.c b/block/blk-map.c index dad6a2907835..572140cda5ff 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -45,7 +45,6 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, unsigned int len, gfp_t gfp_mask) { unsigned long uaddr; - unsigned int alignment; struct bio *bio, *orig_bio; int reading, ret; @@ -56,8 +55,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, * direct dma. else, set up kernel bounce buffers */ uaddr = (unsigned long) ubuf; - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if (!(uaddr & alignment) && !(len & alignment) && !map_data) + if (blk_rq_aligned(q, ubuf, len) && !map_data) bio = bio_map_user(q, NULL, uaddr, len, reading, gfp_mask); else bio = bio_copy_user(q, map_data, uaddr, len, reading, gfp_mask); @@ -274,8 +272,6 @@ EXPORT_SYMBOL(blk_rq_unmap_user); int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, unsigned int len, gfp_t gfp_mask) { - unsigned long kaddr; - unsigned int alignment; int reading = rq_data_dir(rq) == READ; int do_copy = 0; struct bio *bio; @@ -285,11 +281,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, if (!len || !kbuf) return -EINVAL; - kaddr = (unsigned long)kbuf; - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - do_copy = ((kaddr & alignment) || (len & alignment) || - object_is_on_stack(kbuf)); - + do_copy = !blk_rq_aligned(q, kbuf, len) || object_is_on_stack(kbuf); if (do_copy) bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); else diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 358ac423ed2f..9c2549260427 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -899,6 +899,13 @@ static inline int queue_dma_alignment(struct request_queue *q) return q ? q->dma_alignment : 511; } +static inline int blk_rq_aligned(struct request_queue *q, void *addr, + unsigned int len) +{ + unsigned int alignment = queue_dma_alignment(q) | q->dma_pad_mask; + return !((unsigned long)addr & alignment) && !(len & alignment); +} + /* assumes size > 256 */ static inline unsigned int blksize_bits(unsigned int size) { -- GitLab From 01cfcddd98f09e05a2e36031654ed46643b76f23 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 28 Aug 2008 15:05:59 +0900 Subject: [PATCH 3194/6244] sg: use blk_rq_aligned helper function Signed-off-by: FUJITA Tomonori Cc: Douglas Gilbert Cc: Jens Axboe Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index d6391666502c..ed69292babde 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1656,11 +1656,9 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; int dxfer_dir = hp->dxfer_direction; - unsigned long uaddr = (unsigned long)hp->dxferp; Sg_scatter_hold *req_schp = &srp->data; Sg_scatter_hold *rsv_schp = &sfp->reserve; struct request_queue *q = sfp->parentdp->device->request_queue; - unsigned long alignment = queue_dma_alignment(q) | q->dma_pad_mask; struct rq_map_data map_data; SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); @@ -1676,7 +1674,7 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && (!sfp->parentdp->device->host->unchecked_isa_dma) && - !(uaddr & alignment) && !(dxfer_len & alignment)) + blk_rq_aligned(q, hp->dxferp, dxfer_len)) return sg_build_direct(srp, sfp, dxfer_len); #endif if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) -- GitLab From aeb3d3a81e81c6323a17fe914e91eb228b3f1aa1 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Thu, 28 Aug 2008 09:27:42 +0200 Subject: [PATCH 3195/6244] block: kmalloc args reversed, small function definition fixes Noticed by sparse: block/blk-softirq.c:156:12: warning: symbol 'blk_softirq_init' was not declared. Should it be static? block/genhd.c:583:28: warning: function 'bdget_disk' with external linkage has definition block/genhd.c:659:17: warning: incorrect type in argument 1 (different base types) block/genhd.c:659:17: expected unsigned int [unsigned] [usertype] size block/genhd.c:659:17: got restricted gfp_t block/genhd.c:659:29: warning: incorrect type in argument 2 (different base types) block/genhd.c:659:29: expected restricted gfp_t [usertype] flags block/genhd.c:659:29: got unsigned int block: kmalloc args reversed Signed-off-by: Harvey Harrison Signed-off-by: Jens Axboe --- block/blk-settings.c | 2 +- block/genhd.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index a60e959a12c4..d70692badcdb 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -443,7 +443,7 @@ void blk_queue_update_dma_alignment(struct request_queue *q, int mask) } EXPORT_SYMBOL(blk_queue_update_dma_alignment); -int __init blk_settings_init(void) +static int __init blk_settings_init(void) { blk_max_low_pfn = max_low_pfn - 1; blk_max_pfn = max_pfn - 1; diff --git a/block/genhd.c b/block/genhd.c index d9de3e482d1e..32ee73c67560 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -578,7 +578,7 @@ struct gendisk *get_gendisk(dev_t devt, int *partno) * RETURNS: * Resulting block_device on success, NULL on failure. */ -extern struct block_device *bdget_disk(struct gendisk *disk, int partno) +struct block_device *bdget_disk(struct gendisk *disk, int partno) { struct hd_struct *part; struct block_device *bdev = NULL; @@ -654,7 +654,7 @@ static void *disk_seqf_start(struct seq_file *seqf, loff_t *pos) struct class_dev_iter *iter; struct device *dev; - iter = kmalloc(GFP_KERNEL, sizeof(*iter)); + iter = kmalloc(sizeof(*iter), GFP_KERNEL); if (!iter) return ERR_PTR(-ENOMEM); -- GitLab From 759f8ca3048f7438aa3129268d7252552505d662 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 29 Aug 2008 09:06:29 +0200 Subject: [PATCH 3196/6244] Change default value of CONFIG_DEBUG_BLOCK_EXT_DEVT to 'n' It's a debug option that you would explicitly enable to test this feature, we should default it to 'n' to prevent accidental surprises for now. Signed-off-by: Jens Axboe --- lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 5a536f703a83..4378d5e923ca 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -628,7 +628,7 @@ config DEBUG_BLOCK_EXT_DEVT bool "Force extended block device numbers and spread them" depends on DEBUG_KERNEL depends on BLOCK - default y + default n help Conventionally, block device numbers are allocated from predetermined contiguous area. However, extended block area -- GitLab From 2bbedcb4c1abac498f18e5770d62ae66ff235ada Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 29 Aug 2008 11:41:51 +0200 Subject: [PATCH 3197/6244] block: don't test for partition size in bdget_disk() and blk_lookup_devt() bdget_disk() and blk_lookup_devt() never cared whether the specified partition (or disk) is zero sized or not. I got confused while converting those not to depend on consecutive minor numbers in commit 5a6411b1178baf534aa9138052864dfa89d3eada and later when dev0 was added it broke callers which expected to get valid return for zero sized disk devices. So, they never needed nr_sects checks in the first place. Kill them. This problem was spotted and debugged by Bartlmoiej Zolnierkiewicz. Signed-off-by: Tejun Heo Cc: Bartlomiej Zolnierkiewicz Signed-off-by: Jens Axboe --- block/genhd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index 32ee73c67560..ed926b760ca0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -584,7 +584,7 @@ struct block_device *bdget_disk(struct gendisk *disk, int partno) struct block_device *bdev = NULL; part = disk_get_part(disk, partno); - if (part && (part->nr_sects || partno == 0)) + if (part) bdev = bdget(part_devt(part)); disk_put_part(part); @@ -1031,7 +1031,7 @@ dev_t blk_lookup_devt(const char *name, int partno) continue; part = disk_get_part(disk, partno); - if (part && (part->nr_sects || partno == 0)) { + if (part) { devt = part_devt(part); disk_put_part(part); break; -- GitLab From 55dc7db70a73a3809a2334063c9b5b0d8ccebdaa Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 1 Sep 2008 13:44:35 +0200 Subject: [PATCH 3198/6244] init: DEBUG_BLOCK_EXT_DEVT requires explicit root= param DEBUG_BLOCK_EXT_DEVT shuffles SCSI and IDE device numbers and root device number set using rdev become meaningless. Root devices should be explicitly specified using textual names. Warn about it if root can't be found and DEBUG_BLOCK_EXT_DEVT is enabled. Also, add warning to the help text. Signed-off-by: Tejun Heo Cc: Bartlomiej Zolnierkiewicz Signed-off-by: Jens Axboe --- init/do_mounts.c | 4 ++++ lib/Kconfig.debug | 6 ++++++ 2 files changed, 10 insertions(+) diff --git a/init/do_mounts.c b/init/do_mounts.c index 3715feb8446d..d055b1914c3d 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -263,6 +263,10 @@ retry: printk("Please append a correct \"root=\" boot option; here are the available partitions:\n"); printk_all_partitions(); +#ifdef CONFIG_DEBUG_BLOCK_EXT_DEVT + printk("DEBUG_BLOCK_EXT_DEVT is enabled, you need to specify " + "explicit textual name for \"root=\" boot option.\n"); +#endif panic("VFS: Unable to mount root fs on %s", b); } diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4378d5e923ca..c556896abe57 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -638,6 +638,12 @@ config DEBUG_BLOCK_EXT_DEVT userland code paths which assume predetermined contiguous device number allocation. + Note that turning on this debug option shuffles all the + device numbers for all IDE and SCSI devices including libata + ones, so root partition specified using device number + directly (via rdev or root=MAJ:MIN) won't work anymore. + Textual device names (root=/dev/sdXn) will continue to work. + Say N if you are unsure. config LKDTM -- GitLab From 839e96afba87117befd39cf4e43f156edc8047a7 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 2 Sep 2008 09:25:21 +0200 Subject: [PATCH 3199/6244] block: update comment on end_request() It refers to functions that no longer exist after the IO completion changes. Signed-off-by: Jens Axboe --- block/blk-core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 5bf806adc770..f25eb9786d94 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1780,9 +1780,9 @@ EXPORT_SYMBOL(end_dequeued_request); * they have a residual value to account for. For that case this function * isn't really useful, unless the residual just happens to be the * full current segment. In other words, don't use this function in new - * code. Either use end_request_completely(), or the - * end_that_request_chunk() (along with end_that_request_last()) for - * partial completions. + * code. Use blk_end_request() or __blk_end_request() to end partial parts + * of a request, or end_dequeued_request() and end_queued_request() to + * completely end IO on a dequeued/queued request. * **/ void end_request(struct request *req, int uptodate) -- GitLab From 818827669d85b84241696ffef2de485db46b0b5e Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 16:20:19 +0900 Subject: [PATCH 3200/6244] block: make blk_rq_map_user take a NULL user-space buffer This patch changes blk_rq_map_user to accept a NULL user-space buffer with a READ command if rq_map_data is not NULL. Thus a caller can pass page frames to lk_rq_map_user to just set up a request and bios with page frames propely. bio_uncopy_user (called via blk_rq_unmap_user) doesn't copy data to user space with such request. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- block/blk-map.c | 16 ++++++++++++---- fs/bio.c | 8 ++++---- include/linux/bio.h | 1 + 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/block/blk-map.c b/block/blk-map.c index 572140cda5ff..4849fa36161e 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -42,7 +42,7 @@ static int __blk_rq_unmap_user(struct bio *bio) static int __blk_rq_map_user(struct request_queue *q, struct request *rq, struct rq_map_data *map_data, void __user *ubuf, - unsigned int len, gfp_t gfp_mask) + unsigned int len, int null_mapped, gfp_t gfp_mask) { unsigned long uaddr; struct bio *bio, *orig_bio; @@ -63,6 +63,9 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, if (IS_ERR(bio)) return PTR_ERR(bio); + if (null_mapped) + bio->bi_flags |= (1 << BIO_NULL_MAPPED); + orig_bio = bio; blk_queue_bounce(q, &bio); @@ -111,12 +114,17 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, { unsigned long bytes_read = 0; struct bio *bio = NULL; - int ret; + int ret, null_mapped = 0; if (len > (q->max_hw_sectors << 9)) return -EINVAL; - if (!len || !ubuf) + if (!len) return -EINVAL; + if (!ubuf) { + if (!map_data || rq_data_dir(rq) != READ) + return -EINVAL; + null_mapped = 1; + } while (bytes_read != len) { unsigned long map_len, end, start; @@ -135,7 +143,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, map_len -= PAGE_SIZE; ret = __blk_rq_map_user(q, rq, map_data, ubuf, map_len, - gfp_mask); + null_mapped, gfp_mask); if (ret < 0) goto unmap_rq; if (!bio) diff --git a/fs/bio.c b/fs/bio.c index 9d68ddb89b71..355302985e22 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -547,11 +547,11 @@ static int __bio_copy_iov(struct bio *bio, struct bio_vec *iovecs, int bio_uncopy_user(struct bio *bio) { struct bio_map_data *bmd = bio->bi_private; - int ret; - - ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, bmd->nr_sgvecs, 1, - bmd->is_our_pages); + int ret = 0; + if (!bio_flagged(bio, BIO_NULL_MAPPED)) + ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs, + bmd->nr_sgvecs, 1, bmd->is_our_pages); bio_free_map_data(bmd); bio_put(bio); return ret; diff --git a/include/linux/bio.h b/include/linux/bio.h index bc386cd5e996..7af373f253dc 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -108,6 +108,7 @@ struct bio { #define BIO_USER_MAPPED 6 /* contains user pages */ #define BIO_EOPNOTSUPP 7 /* not supported */ #define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */ +#define BIO_NULL_MAPPED 9 /* contains invalid user pages */ #define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) /* -- GitLab From fad7f01e61bf737fe8a3740d803f000db57ecac6 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 16:20:20 +0900 Subject: [PATCH 3201/6244] sg: set dxferp to NULL for READ with the older SG interface With the older SG interface, we don't know a user-space address to trasfer data when executing a SCSI command. So we can't pass a user-space address to blk_rq_map_user. This patch fixes sg to pass a NULL user-space address to blk_rq_map_user so that it just sets up a request and bios with page frames propely without data transfer. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index ed69292babde..50c07bca727d 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -615,7 +615,10 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) else hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE; hp->dxfer_len = mxsize; - hp->dxferp = (char __user *)buf + cmd_size; + if (hp->dxfer_direction == SG_DXFER_TO_DEV) + hp->dxferp = (char __user *)buf + cmd_size; + else + hp->dxferp = NULL; hp->sbp = NULL; hp->timeout = old_hdr.reply_len; /* structure abuse ... */ hp->flags = input_size; /* structure abuse ... */ -- GitLab From 243294dae09c909c0442c8f04d470b69c3c19d6e Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 4 Sep 2008 09:17:31 +0200 Subject: [PATCH 3202/6244] block: fix duplicate headers for /proc/partitions seqf can be started multiple times for a read and the header should be printed only for the initial one. Fix it. Signed-off-by: Tejun Heo Signed-off-by: Jens Axboe --- block/genhd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/genhd.c b/block/genhd.c index ed926b760ca0..8acaff0154e3 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -697,7 +697,7 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos) static void *p; p = disk_seqf_start(seqf, pos); - if (!IS_ERR(p) && p) + if (!IS_ERR(p) && p && !*pos) seq_puts(seqf, "major minor #blocks name\n\n"); return p; } -- GitLab From 0c002c2f74e10baa9021d3ecc50585c6eafea568 Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:20 -0600 Subject: [PATCH 3203/6244] Wrapper for lower-level revalidate_disk routines. This is a wrapper for the lower-level revalidate_disk call-backs such as sd_revalidate_disk(). It allows us to perform pre and post operations when calling them. We will use this wrapper in a later patch to adjust block device sizes after an online resize (a _post_ operation). Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- fs/block_dev.c | 21 +++++++++++++++++++++ include/linux/fs.h | 1 + 2 files changed, 22 insertions(+) diff --git a/fs/block_dev.c b/fs/block_dev.c index c3fa19bd64df..4eeb69a88734 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -852,6 +852,27 @@ struct block_device *open_by_devnum(dev_t dev, unsigned mode) EXPORT_SYMBOL(open_by_devnum); +/** + * revalidate_disk - wrapper for lower-level driver's revalidate_disk + * call-back + * + * @disk: struct gendisk to be revalidated + * + * This routine is a wrapper for lower-level driver's revalidate_disk + * call-backs. It is used to do common pre and post operations needed + * for all revalidate_disk operations. + */ +int revalidate_disk(struct gendisk *disk) +{ + int ret = 0; + + if (disk->fops->revalidate_disk) + ret = disk->fops->revalidate_disk(disk); + + return ret; +} +EXPORT_SYMBOL(revalidate_disk); + /* * This routine checks whether a removable media has been changed, * and invalidates all buffer-cache-entries in that case. This diff --git a/include/linux/fs.h b/include/linux/fs.h index 02a9fb5a830c..d63461f97983 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1722,6 +1722,7 @@ extern int fs_may_remount_ro(struct super_block *); */ #define bio_data_dir(bio) ((bio)->bi_rw & 1) +extern int revalidate_disk(struct gendisk *); extern int check_disk_change(struct block_device *); extern int __invalidate_device(struct block_device *); extern int invalidate_partition(struct gendisk *, int); -- GitLab From c3279d1454cdfed02a557d789d8a6d08ab4cbe70 Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:25 -0600 Subject: [PATCH 3204/6244] Adjust block device size after an online resize of a disk. The revalidate_disk routine now checks if a disk has been resized by comparing the gendisk capacity to the bdev inode size. If they are different (usually because the disk has been resized underneath the kernel) the bdev inode size is adjusted to match the capacity. Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- fs/block_dev.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/fs.h | 2 ++ 2 files changed, 39 insertions(+) diff --git a/fs/block_dev.c b/fs/block_dev.c index 4eeb69a88734..b721955d382e 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -852,6 +852,34 @@ struct block_device *open_by_devnum(dev_t dev, unsigned mode) EXPORT_SYMBOL(open_by_devnum); +/** + * check_disk_size_change - checks for disk size change and adjusts + * bdev size. + * + * @disk: struct gendisk to check + * @bdev: struct bdev to adjust. + * + * This routine checks to see if the bdev size does not match the disk size + * and adjusts it if it differs. + */ +void check_disk_size_change(struct gendisk *disk, struct block_device *bdev) +{ + loff_t disk_size, bdev_size; + + disk_size = (loff_t)get_capacity(disk) << 9; + bdev_size = i_size_read(bdev->bd_inode); + if (disk_size != bdev_size) { + char name[BDEVNAME_SIZE]; + + disk_name(disk, 0, name); + printk(KERN_INFO + "%s: detected capacity change from %lld to %lld\n", + name, bdev_size, disk_size); + i_size_write(bdev->bd_inode, disk_size); + } +} +EXPORT_SYMBOL(check_disk_size_change); + /** * revalidate_disk - wrapper for lower-level driver's revalidate_disk * call-back @@ -864,11 +892,20 @@ EXPORT_SYMBOL(open_by_devnum); */ int revalidate_disk(struct gendisk *disk) { + struct block_device *bdev; int ret = 0; if (disk->fops->revalidate_disk) ret = disk->fops->revalidate_disk(disk); + bdev = bdget_disk(disk, 0); + if (!bdev) + return ret; + + mutex_lock(&bdev->bd_mutex); + check_disk_size_change(disk, bdev); + mutex_unlock(&bdev->bd_mutex); + bdput(bdev); return ret; } EXPORT_SYMBOL(revalidate_disk); diff --git a/include/linux/fs.h b/include/linux/fs.h index d63461f97983..32477e8872d5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1722,6 +1722,8 @@ extern int fs_may_remount_ro(struct super_block *); */ #define bio_data_dir(bio) ((bio)->bi_rw & 1) +extern void check_disk_size_change(struct gendisk *disk, + struct block_device *bdev); extern int revalidate_disk(struct gendisk *); extern int check_disk_change(struct block_device *); extern int __invalidate_device(struct block_device *); -- GitLab From 9bc3ffbfbdf71fefda8a261ef8d6fdc388a29b42 Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:30 -0600 Subject: [PATCH 3205/6244] Check for device resize when rescanning partitions Check for device resize in the rescan_partitions() routine. If the device has been resized, the bdev size is set to match. The rescan_partitions() routine is called when opening the device and when calling the BLKRRPART ioctl. Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- fs/partitions/check.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 0e411603fdf5..7408227c49c9 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -504,7 +504,6 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) res = invalidate_partition(disk, 0); if (res) return res; - bdev->bd_invalidated = 0; disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY); while ((part = disk_part_iter_next(&piter))) @@ -513,6 +512,8 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) if (disk->fops->revalidate_disk) disk->fops->revalidate_disk(disk); + check_disk_size_change(disk, bdev); + bdev->bd_invalidated = 0; if (!get_capacity(disk) || !(state = check_partition(disk, bdev))) return 0; if (IS_ERR(state)) /* I/O error reading the partition table */ -- GitLab From f98a8cae12f2b2a8f9bfd7a53c990a1a405e880e Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:35 -0600 Subject: [PATCH 3206/6244] SCSI sd driver calls revalidate_disk wrapper. Modify the SCSI disk driver to call the revalidate_disk() wrapper. This allows us to do some housekeeping such as accounting for a disk being resized online. The wrapper will call sd_revalidate_disk() at the appropriate time. Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- drivers/scsi/sd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index bcb04b2a7676..cb115d1bf228 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -165,7 +165,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr, sd_print_sense_hdr(sdkp, &sshdr); return -EINVAL; } - sd_revalidate_disk(sdkp->disk); + revalidate_disk(sdkp->disk); return count; } @@ -916,7 +916,7 @@ static void sd_rescan(struct device *dev) struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev); if (sdkp) { - sd_revalidate_disk(sdkp->disk); + revalidate_disk(sdkp->disk); scsi_disk_put(sdkp); } } -- GitLab From 56ade44b46780fa291fa68b824f1dafdcb11b0ca Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:40 -0600 Subject: [PATCH 3207/6244] Added flush_disk to factor out common buffer cache flushing code. We need to be able to flush the buffer cache for for more than just when a disk is changed, so we factor out common cache flush code in check_disk_change() to an internal flush_disk() routine. This routine will then be used for both disk changes and disk resizes (in a later patch). Include the disk name in the text indicating that there are busy inodes on the device and increase the KERN severity of the message. Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- fs/block_dev.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index b721955d382e..33650fc537c4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -852,6 +852,32 @@ struct block_device *open_by_devnum(dev_t dev, unsigned mode) EXPORT_SYMBOL(open_by_devnum); +/** + * flush_disk - invalidates all buffer-cache entries on a disk + * + * @bdev: struct block device to be flushed + * + * Invalidates all buffer-cache entries on a disk. It should be called + * when a disk has been changed -- either by a media change or online + * resize. + */ +static void flush_disk(struct block_device *bdev) +{ + if (__invalidate_device(bdev)) { + char name[BDEVNAME_SIZE] = ""; + + if (bdev->bd_disk) + disk_name(bdev->bd_disk, 0, name); + printk(KERN_WARNING "VFS: busy inodes on changed media or " + "resized disk %s\n", name); + } + + if (!bdev->bd_disk) + return; + if (disk_partitionable(bdev->bd_disk)) + bdev->bd_invalidated = 1; +} + /** * check_disk_size_change - checks for disk size change and adjusts * bdev size. @@ -929,13 +955,9 @@ int check_disk_change(struct block_device *bdev) if (!bdops->media_changed(bdev->bd_disk)) return 0; - if (__invalidate_device(bdev)) - printk("VFS: busy inodes on changed media.\n"); - + flush_disk(bdev); if (bdops->revalidate_disk) bdops->revalidate_disk(bdev->bd_disk); - if (disk_partitionable(bdev->bd_disk)) - bdev->bd_invalidated = 1; return 1; } -- GitLab From 608aeef17a91747d6303de4df5e2c2e6899a95e8 Mon Sep 17 00:00:00 2001 From: Andrew Patterson Date: Thu, 4 Sep 2008 14:27:45 -0600 Subject: [PATCH 3208/6244] Call flush_disk() after detecting an online resize. We call flush_disk() to make sure the buffer cache for the disk is flushed after a disk resize. There are two resize cases, growing and shrinking. Given that users can shrink/then grow a disk before revalidate_disk() is called, we treat the grow case identically to shrinking. We need to flush the buffer cache after an online shrink because, as James Bottomley puts it, The two use cases for shrinking I can see are 1. planned: the fs is already shrunk to within the new boundaries and all data is relocated, so invalidate is fine (any dirty buffers that might exist in the shrunk region are there only because they were relocated but not yet written to their original location). 2. unplanned: In this case, the fs is probably toast, so whether we invalidate or not isn't going to make a whole lot of difference; it's still going to try to read or write from sectors beyond the new size and get I/O errors. Immediately invalidating shrunk disks will cause errors for outstanding I/Os for reads/write beyond the new end of the disk to be generated earlier then if we waited for the normal buffer cache operation. It also removes a potential security hole where we might keep old data around from beyond the end of the shrunk disk if the disk was not invalidated. Signed-off-by: Andrew Patterson Signed-off-by: Jens Axboe --- fs/block_dev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/block_dev.c b/fs/block_dev.c index 33650fc537c4..57e2786dd2a5 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -902,6 +902,7 @@ void check_disk_size_change(struct gendisk *disk, struct block_device *bdev) "%s: detected capacity change from %lld to %lld\n", name, bdev_size, disk_size); i_size_write(bdev->bd_inode, disk_size); + flush_disk(bdev); } } EXPORT_SYMBOL(check_disk_size_change); -- GitLab From 242f9dcb8ba6f68fcd217a119a7648a4f69290e9 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Sun, 14 Sep 2008 05:55:09 -0700 Subject: [PATCH 3209/6244] block: unify request timeout handling Right now SCSI and others do their own command timeout handling. Move those bits to the block layer. Instead of having a timer per command, we try to be a bit more clever and simply have one per-queue. This avoids the overhead of having to tear down and setup a timer for each command, so it will result in a lot less timer fiddling. Signed-off-by: Mike Anderson Signed-off-by: Jens Axboe --- block/Makefile | 4 +- block/blk-core.c | 7 ++ block/blk-settings.c | 12 +++ block/blk-softirq.c | 30 +++--- block/blk-timeout.c | 155 +++++++++++++++++++++++++++ block/blk.h | 24 +++++ block/elevator.c | 8 ++ drivers/ata/libata-eh.c | 13 +-- drivers/ata/libata.h | 2 +- drivers/scsi/aacraid/aachba.c | 2 +- drivers/scsi/gdth.c | 60 +++++++---- drivers/scsi/gdth.h | 2 +- drivers/scsi/gdth_proc.c | 66 ------------ drivers/scsi/gdth_proc.h | 3 - drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +- drivers/scsi/ide-scsi.c | 2 +- drivers/scsi/ipr.c | 3 +- drivers/scsi/ips.c | 2 +- drivers/scsi/libiscsi.c | 17 +-- drivers/scsi/libsas/sas_ata.c | 2 +- drivers/scsi/libsas/sas_internal.h | 2 +- drivers/scsi/libsas/sas_scsi_host.c | 30 +++--- drivers/scsi/megaraid/megaraid_sas.c | 6 +- drivers/scsi/ncr53c8xx.c | 4 +- drivers/scsi/qla1280.c | 4 +- drivers/scsi/qla4xxx/ql4_os.c | 4 +- drivers/scsi/scsi.c | 92 +++------------- drivers/scsi/scsi_error.c | 90 +++------------- drivers/scsi/scsi_lib.c | 17 ++- drivers/scsi/scsi_priv.h | 7 +- drivers/scsi/scsi_sysfs.c | 7 +- drivers/scsi/scsi_transport_fc.c | 6 +- drivers/scsi/sd.c | 9 +- drivers/scsi/sr.c | 5 +- drivers/scsi/sym53c8xx_2/sym_glue.c | 4 +- include/linux/blkdev.h | 20 ++++ include/scsi/scsi_cmnd.h | 3 - include/scsi/scsi_host.h | 9 +- include/scsi/scsi_transport.h | 3 +- 39 files changed, 399 insertions(+), 339 deletions(-) create mode 100644 block/blk-timeout.c diff --git a/block/Makefile b/block/Makefile index 0da976ce67dd..bfe73049f939 100644 --- a/block/Makefile +++ b/block/Makefile @@ -4,8 +4,8 @@ obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \ blk-barrier.o blk-settings.o blk-ioc.o blk-map.o \ - blk-exec.o blk-merge.o blk-softirq.o ioctl.o genhd.o \ - scsi_ioctl.o cmd-filter.o + blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \ + ioctl.o genhd.o scsi_ioctl.o cmd-filter.o obj-$(CONFIG_BLK_DEV_BSG) += bsg.o obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o diff --git a/block/blk-core.c b/block/blk-core.c index f25eb9786d94..d768a8ddc173 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -110,6 +110,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq) memset(rq, 0, sizeof(*rq)); INIT_LIST_HEAD(&rq->queuelist); + INIT_LIST_HEAD(&rq->timeout_list); rq->cpu = -1; rq->q = q; rq->sector = rq->hard_sector = (sector_t) -1; @@ -490,6 +491,8 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id) } init_timer(&q->unplug_timer); + setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q); + INIT_LIST_HEAD(&q->timeout_list); kobject_init(&q->kobj, &blk_queue_ktype); @@ -897,6 +900,8 @@ EXPORT_SYMBOL(blk_start_queueing); */ void blk_requeue_request(struct request_queue *q, struct request *rq) { + blk_delete_timer(rq); + blk_clear_rq_complete(rq); blk_add_trace_rq(q, rq, BLK_TA_REQUEUE); if (blk_rq_tagged(rq)) @@ -1650,6 +1655,8 @@ static void end_that_request_last(struct request *req, int error) { struct gendisk *disk = req->rq_disk; + blk_delete_timer(req); + if (blk_rq_tagged(req)) blk_queue_end_tag(req->q, req); diff --git a/block/blk-settings.c b/block/blk-settings.c index d70692badcdb..1d0330d0b40a 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -77,6 +77,18 @@ void blk_queue_softirq_done(struct request_queue *q, softirq_done_fn *fn) } EXPORT_SYMBOL(blk_queue_softirq_done); +void blk_queue_rq_timeout(struct request_queue *q, unsigned int timeout) +{ + q->rq_timeout = timeout; +} +EXPORT_SYMBOL_GPL(blk_queue_rq_timeout); + +void blk_queue_rq_timed_out(struct request_queue *q, rq_timed_out_fn *fn) +{ + q->rq_timed_out_fn = fn; +} +EXPORT_SYMBOL_GPL(blk_queue_rq_timed_out); + /** * blk_queue_make_request - define an alternate make_request function for a device * @q: the request queue for the device to be affected diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 3a1af551191e..7ab344afb16f 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -101,18 +101,7 @@ static struct notifier_block __cpuinitdata blk_cpu_notifier = { .notifier_call = blk_cpu_notify, }; -/** - * blk_complete_request - end I/O on a request - * @req: the request being processed - * - * Description: - * Ends all I/O on a request. It does not handle partial completions, - * unless the driver actually implements this in its completion callback - * through requeueing. The actual completion happens out-of-order, - * through a softirq handler. The user must have registered a completion - * callback through blk_queue_softirq_done(). - **/ -void blk_complete_request(struct request *req) +void __blk_complete_request(struct request *req) { struct request_queue *q = req->q; unsigned long flags; @@ -151,6 +140,23 @@ do_local: local_irq_restore(flags); } + +/** + * blk_complete_request - end I/O on a request + * @req: the request being processed + * + * Description: + * Ends all I/O on a request. It does not handle partial completions, + * unless the driver actually implements this in its completion callback + * through requeueing. The actual completion happens out-of-order, + * through a softirq handler. The user must have registered a completion + * callback through blk_queue_softirq_done(). + **/ +void blk_complete_request(struct request *req) +{ + if (!blk_mark_rq_complete(req)) + __blk_complete_request(req); +} EXPORT_SYMBOL(blk_complete_request); __init int blk_softirq_init(void) diff --git a/block/blk-timeout.c b/block/blk-timeout.c new file mode 100644 index 000000000000..b36d07bf0afb --- /dev/null +++ b/block/blk-timeout.c @@ -0,0 +1,155 @@ +/* + * Functions related to generic timeout handling of requests. + */ +#include +#include +#include + +#include "blk.h" + +/* + * blk_delete_timer - Delete/cancel timer for a given function. + * @req: request that we are canceling timer for + * + */ +void blk_delete_timer(struct request *req) +{ + struct request_queue *q = req->q; + + /* + * Nothing to detach + */ + if (!q->rq_timed_out_fn || !req->deadline) + return; + + list_del_init(&req->timeout_list); + + if (list_empty(&q->timeout_list)) + del_timer(&q->timeout); +} + +static void blk_rq_timed_out(struct request *req) +{ + struct request_queue *q = req->q; + enum blk_eh_timer_return ret; + + ret = q->rq_timed_out_fn(req); + switch (ret) { + case BLK_EH_HANDLED: + __blk_complete_request(req); + break; + case BLK_EH_RESET_TIMER: + blk_clear_rq_complete(req); + blk_add_timer(req); + break; + case BLK_EH_NOT_HANDLED: + /* + * LLD handles this for now but in the future + * we can send a request msg to abort the command + * and we can move more of the generic scsi eh code to + * the blk layer. + */ + break; + default: + printk(KERN_ERR "block: bad eh return: %d\n", ret); + break; + } +} + +void blk_rq_timed_out_timer(unsigned long data) +{ + struct request_queue *q = (struct request_queue *) data; + unsigned long flags, uninitialized_var(next), next_set = 0; + struct request *rq, *tmp; + + spin_lock_irqsave(q->queue_lock, flags); + + list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list) { + if (time_after_eq(jiffies, rq->deadline)) { + list_del_init(&rq->timeout_list); + + /* + * Check if we raced with end io completion + */ + if (blk_mark_rq_complete(rq)) + continue; + blk_rq_timed_out(rq); + } + if (!next_set) { + next = rq->deadline; + next_set = 1; + } else if (time_after(next, rq->deadline)) + next = rq->deadline; + } + + if (next_set && !list_empty(&q->timeout_list)) + mod_timer(&q->timeout, round_jiffies(next)); + + spin_unlock_irqrestore(q->queue_lock, flags); +} + +/** + * blk_abort_request -- Request request recovery for the specified command + * @req: pointer to the request of interest + * + * This function requests that the block layer start recovery for the + * request by deleting the timer and calling the q's timeout function. + * LLDDs who implement their own error recovery MAY ignore the timeout + * event if they generated blk_abort_req. Must hold queue lock. + */ +void blk_abort_request(struct request *req) +{ + blk_delete_timer(req); + blk_rq_timed_out(req); +} +EXPORT_SYMBOL_GPL(blk_abort_request); + +/** + * blk_add_timer - Start timeout timer for a single request + * @req: request that is about to start running. + * + * Notes: + * Each request has its own timer, and as it is added to the queue, we + * set up the timer. When the request completes, we cancel the timer. + */ +void blk_add_timer(struct request *req) +{ + struct request_queue *q = req->q; + unsigned long expiry; + + if (!q->rq_timed_out_fn) + return; + + BUG_ON(!list_empty(&req->timeout_list)); + BUG_ON(test_bit(REQ_ATOM_COMPLETE, &req->atomic_flags)); + + if (req->timeout) + req->deadline = jiffies + req->timeout; + else { + req->deadline = jiffies + q->rq_timeout; + /* + * Some LLDs, like scsi, peek at the timeout to prevent + * a command from being retried forever. + */ + req->timeout = q->rq_timeout; + } + list_add_tail(&req->timeout_list, &q->timeout_list); + + /* + * If the timer isn't already pending or this timeout is earlier + * than an existing one, modify the timer. Round to next nearest + * second. + */ + expiry = round_jiffies(req->deadline); + + /* + * We use ->deadline == 0 to detect whether a timer was added or + * not, so just increase to next jiffy for that specific case + */ + if (unlikely(!req->deadline)) + req->deadline = 1; + + if (!timer_pending(&q->timeout) || + time_before(expiry, q->timeout.expires)) + mod_timer(&q->timeout, expiry); +} diff --git a/block/blk.h b/block/blk.h index de74254cb916..a4f4a50aefaa 100644 --- a/block/blk.h +++ b/block/blk.h @@ -17,6 +17,30 @@ void __blk_queue_free_tags(struct request_queue *q); void blk_unplug_work(struct work_struct *work); void blk_unplug_timeout(unsigned long data); +void blk_rq_timed_out_timer(unsigned long data); +void blk_delete_timer(struct request *); +void blk_add_timer(struct request *); + +/* + * Internal atomic flags for request handling + */ +enum rq_atomic_flags { + REQ_ATOM_COMPLETE = 0, +}; + +/* + * EH timer and IO completion will both attempt to 'grab' the request, make + * sure that only one of them suceeds + */ +static inline int blk_mark_rq_complete(struct request *rq) +{ + return test_and_set_bit(REQ_ATOM_COMPLETE, &rq->atomic_flags); +} + +static inline void blk_clear_rq_complete(struct request *rq) +{ + clear_bit(REQ_ATOM_COMPLETE, &rq->atomic_flags); +} struct io_context *current_io_context(gfp_t gfp_flags, int node); diff --git a/block/elevator.c b/block/elevator.c index 8e3fc3afc77b..a91fc59edd01 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -36,6 +36,8 @@ #include #include +#include "blk.h" + static DEFINE_SPINLOCK(elv_list_lock); static LIST_HEAD(elv_list); @@ -771,6 +773,12 @@ struct request *elv_next_request(struct request_queue *q) */ rq->cmd_flags |= REQ_STARTED; blk_add_trace_rq(q, rq, BLK_TA_ISSUE); + + /* + * We are now handing the request to the hardware, + * add the timeout handler + */ + blk_add_timer(rq); } if (!q->boundary_rq || q->boundary_rq == rq) { diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index c1db2f234d2e..bd0b2bc76f10 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -33,6 +33,7 @@ */ #include +#include #include #include #include @@ -457,29 +458,29 @@ static void ata_eh_clear_action(struct ata_link *link, struct ata_device *dev, * RETURNS: * EH_HANDLED or EH_NOT_HANDLED */ -enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd) +enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd) { struct Scsi_Host *host = cmd->device->host; struct ata_port *ap = ata_shost_to_port(host); unsigned long flags; struct ata_queued_cmd *qc; - enum scsi_eh_timer_return ret; + enum blk_eh_timer_return ret; DPRINTK("ENTER\n"); if (ap->ops->error_handler) { - ret = EH_NOT_HANDLED; + ret = BLK_EH_NOT_HANDLED; goto out; } - ret = EH_HANDLED; + ret = BLK_EH_HANDLED; spin_lock_irqsave(ap->lock, flags); qc = ata_qc_from_tag(ap, ap->link.active_tag); if (qc) { WARN_ON(qc->scsicmd != cmd); qc->flags |= ATA_QCFLAG_EH_SCHEDULED; qc->err_mask |= AC_ERR_TIMEOUT; - ret = EH_NOT_HANDLED; + ret = BLK_EH_NOT_HANDLED; } spin_unlock_irqrestore(ap->lock, flags); @@ -831,7 +832,7 @@ void ata_qc_schedule_eh(struct ata_queued_cmd *qc) * Note that ATA_QCFLAG_FAILED is unconditionally set after * this function completes. */ - scsi_req_abort_cmd(qc->scsicmd); + blk_abort_request(qc->scsicmd->request); } /** diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index ade5c75b6144..24f5005478b0 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -152,7 +152,7 @@ extern int ata_bus_probe(struct ata_port *ap); /* libata-eh.c */ extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd); extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd); -extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd); +extern enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd); extern void ata_scsi_error(struct Scsi_Host *host); extern void ata_port_wait_eh(struct ata_port *ap); extern void ata_eh_fastdrain_timerfn(unsigned long arg); diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index aa4e77c25273..8abfd06b5a72 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1139,7 +1139,7 @@ static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd srbcmd->id = cpu_to_le32(scmd_id(cmd)); srbcmd->lun = cpu_to_le32(cmd->device->lun); srbcmd->flags = cpu_to_le32(flag); - timeout = cmd->timeout_per_command/HZ; + timeout = cmd->request->timeout/HZ; if (timeout == 0) timeout = 1; srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 822d5214692b..c387c15a2128 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -464,7 +464,6 @@ int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, /* use request field to save the ptr. to completion struct. */ scp->request = (struct request *)&wait; - scp->timeout_per_command = timeout*HZ; scp->cmd_len = 12; scp->cmnd = cmnd; cmndinfo.priority = IOCTL_PRI; @@ -1995,23 +1994,12 @@ static void gdth_putq(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar priority) register Scsi_Cmnd *pscp; register Scsi_Cmnd *nscp; ulong flags; - unchar b, t; TRACE(("gdth_putq() priority %d\n",priority)); spin_lock_irqsave(&ha->smp_lock, flags); - if (!cmndinfo->internal_command) { + if (!cmndinfo->internal_command) cmndinfo->priority = priority; - b = scp->device->channel; - t = scp->device->id; - if (priority >= DEFAULT_PRI) { - if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || - (b==ha->virt_bus && thdr[t].lock)) { - TRACE2(("gdth_putq(): locked IO ->update_timeout()\n")); - cmndinfo->timeout = gdth_update_timeout(scp, 0); - } - } - } if (ha->req_first==NULL) { ha->req_first = scp; /* queue was empty */ @@ -3899,6 +3887,39 @@ static const char *gdth_info(struct Scsi_Host *shp) return ((const char *)ha->binfo.type_string); } +static enum blk_eh_timer_return gdth_timed_out(struct scsi_cmnd *scp) +{ + gdth_ha_str *ha = shost_priv(scp->device->host); + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); + unchar b, t; + ulong flags; + enum blk_eh_timer_return retval = BLK_EH_NOT_HANDLED; + + TRACE(("%s() cmd 0x%x\n", scp->cmnd[0], __func__)); + b = scp->device->channel; + t = scp->device->id; + + /* + * We don't really honor the command timeout, but we try to + * honor 6 times of the actual command timeout! So reset the + * timer if this is less than 6th timeout on this command! + */ + if (++cmndinfo->timeout_count < 6) + retval = BLK_EH_RESET_TIMER; + + /* Reset the timeout if it is locked IO */ + spin_lock_irqsave(&ha->smp_lock, flags); + if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha, b)].lock) || + (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) { + TRACE2(("%s(): locked IO, reset timeout\n", __func__)); + retval = BLK_EH_RESET_TIMER; + } + spin_unlock_irqrestore(&ha->smp_lock, flags); + + return retval; +} + + static int gdth_eh_bus_reset(Scsi_Cmnd *scp) { gdth_ha_str *ha = shost_priv(scp->device->host); @@ -3992,7 +4013,7 @@ static int gdth_queuecommand(struct scsi_cmnd *scp, BUG_ON(!cmndinfo); scp->scsi_done = done; - gdth_update_timeout(scp, scp->timeout_per_command * 6); + cmndinfo->timeout_count = 0; cmndinfo->priority = DEFAULT_PRI; return __gdth_queuecommand(ha, scp, cmndinfo); @@ -4096,12 +4117,10 @@ static int ioc_lockdrv(void __user *arg) ha->hdr[j].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); gdth_wait_completion(ha, ha->bus_cnt, j); - gdth_stop_timeout(ha, ha->bus_cnt, j); } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[j].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); - gdth_start_timeout(ha, ha->bus_cnt, j); gdth_next(ha); } } @@ -4539,18 +4558,14 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); - for (j = 0; j < ha->tid_cnt; ++j) { + for (j = 0; j < ha->tid_cnt; ++j) gdth_wait_completion(ha, i, j); - gdth_stop_timeout(ha, i, j); - } } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); - for (j = 0; j < ha->tid_cnt; ++j) { - gdth_start_timeout(ha, i, j); + for (j = 0; j < ha->tid_cnt; ++j) gdth_next(ha); - } } } break; @@ -4644,6 +4659,7 @@ static struct scsi_host_template gdth_template = { .slave_configure = gdth_slave_configure, .bios_param = gdth_bios_param, .proc_info = gdth_proc_info, + .eh_timed_out = gdth_timed_out, .proc_name = "gdth", .can_queue = GDTH_MAXCMDS, .this_id = -1, diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h index ca92476727cf..1646444e9bd5 100644 --- a/drivers/scsi/gdth.h +++ b/drivers/scsi/gdth.h @@ -916,7 +916,7 @@ typedef struct { gdth_cmd_str *internal_cmd_str; /* crier for internal messages*/ dma_addr_t sense_paddr; /* sense dma-addr */ unchar priority; - int timeout; + int timeout_count; /* # of timeout calls */ volatile int wait_for_completion; ushort status; ulong32 info; diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c index ce0228e26aec..59349a316e13 100644 --- a/drivers/scsi/gdth_proc.c +++ b/drivers/scsi/gdth_proc.c @@ -748,69 +748,3 @@ static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id) } spin_unlock_irqrestore(&ha->smp_lock, flags); } - -static void gdth_stop_timeout(gdth_ha_str *ha, int busnum, int id) -{ - ulong flags; - Scsi_Cmnd *scp; - unchar b, t; - - spin_lock_irqsave(&ha->smp_lock, flags); - - for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { - struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); - if (!cmndinfo->internal_command) { - b = scp->device->channel; - t = scp->device->id; - if (t == (unchar)id && b == (unchar)busnum) { - TRACE2(("gdth_stop_timeout(): update_timeout()\n")); - cmndinfo->timeout = gdth_update_timeout(scp, 0); - } - } - } - spin_unlock_irqrestore(&ha->smp_lock, flags); -} - -static void gdth_start_timeout(gdth_ha_str *ha, int busnum, int id) -{ - ulong flags; - Scsi_Cmnd *scp; - unchar b, t; - - spin_lock_irqsave(&ha->smp_lock, flags); - - for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { - struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); - if (!cmndinfo->internal_command) { - b = scp->device->channel; - t = scp->device->id; - if (t == (unchar)id && b == (unchar)busnum) { - TRACE2(("gdth_start_timeout(): update_timeout()\n")); - gdth_update_timeout(scp, cmndinfo->timeout); - } - } - } - spin_unlock_irqrestore(&ha->smp_lock, flags); -} - -static int gdth_update_timeout(Scsi_Cmnd *scp, int timeout) -{ - int oldto; - - oldto = scp->timeout_per_command; - scp->timeout_per_command = timeout; - - if (timeout == 0) { - del_timer(&scp->eh_timeout); - scp->eh_timeout.data = (unsigned long) NULL; - scp->eh_timeout.expires = 0; - } else { - if (scp->eh_timeout.data != (unsigned long) NULL) - del_timer(&scp->eh_timeout); - scp->eh_timeout.data = (unsigned long) scp; - scp->eh_timeout.expires = jiffies + timeout; - add_timer(&scp->eh_timeout); - } - - return oldto; -} diff --git a/drivers/scsi/gdth_proc.h b/drivers/scsi/gdth_proc.h index 45e6fdacf36e..9b900cc9ebe8 100644 --- a/drivers/scsi/gdth_proc.h +++ b/drivers/scsi/gdth_proc.h @@ -20,9 +20,6 @@ static char *gdth_ioctl_alloc(gdth_ha_str *ha, int size, int scratch, ulong64 *paddr); static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, ulong64 paddr); static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id); -static void gdth_stop_timeout(gdth_ha_str *ha, int busnum, int id); -static void gdth_start_timeout(gdth_ha_str *ha, int busnum, int id); -static int gdth_update_timeout(Scsi_Cmnd *scp, int timeout); #endif diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 7b1502c0ab6e..87e09f35d3d4 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -756,7 +756,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd, init_event_struct(evt_struct, handle_cmd_rsp, VIOSRP_SRP_FORMAT, - cmnd->timeout_per_command/HZ); + cmnd->request->timeout/HZ); evt_struct->cmnd = cmnd; evt_struct->cmnd_done = done; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 461331d3dc45..81c16cba5417 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -612,7 +612,7 @@ static int idescsi_queue (struct scsi_cmnd *cmd, pc->req_xfer = pc->buf_size = scsi_bufflen(cmd); pc->scsi_cmd = cmd; pc->done = done; - pc->timeout = jiffies + cmd->timeout_per_command; + pc->timeout = jiffies + cmd->request->timeout; if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) { printk ("ide-scsi: %s: que %lu, cmd = ", drive->name, cmd->serial_number); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index e7a3a6554425..d30eb7ba018e 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3670,7 +3670,8 @@ static int ipr_slave_configure(struct scsi_device *sdev) sdev->no_uld_attach = 1; } if (ipr_is_vset_device(res)) { - sdev->timeout = IPR_VSET_RW_TIMEOUT; + blk_queue_rq_timeout(sdev->request_queue, + IPR_VSET_RW_TIMEOUT); blk_queue_max_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); } if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res)) diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index bc9e6ddf41df..ef683f0d2b5a 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -3818,7 +3818,7 @@ ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb) scb->cmd.dcdb.segment_4G = 0; scb->cmd.dcdb.enhanced_sg = 0; - TimeOut = scb->scsi_cmd->timeout_per_command; + TimeOut = scb->scsi_cmd->request->timeout; if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */ if (!scb->sg_len) { diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 299e075a7b34..1eca82420aab 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1476,12 +1476,12 @@ static void iscsi_start_tx(struct iscsi_conn *conn) scsi_queue_work(conn->session->host, &conn->xmitwork); } -static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) +static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) { struct iscsi_cls_session *cls_session; struct iscsi_session *session; struct iscsi_conn *conn; - enum scsi_eh_timer_return rc = EH_NOT_HANDLED; + enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED; cls_session = starget_to_session(scsi_target(scmd->device)); session = cls_session->dd_data; @@ -1494,14 +1494,14 @@ static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) * We are probably in the middle of iscsi recovery so let * that complete and handle the error. */ - rc = EH_RESET_TIMER; + rc = BLK_EH_RESET_TIMER; goto done; } conn = session->leadconn; if (!conn) { /* In the middle of shuting down */ - rc = EH_RESET_TIMER; + rc = BLK_EH_RESET_TIMER; goto done; } @@ -1513,20 +1513,21 @@ static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) */ if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) + (conn->ping_timeout * HZ), jiffies)) - rc = EH_RESET_TIMER; + rc = BLK_EH_RESET_TIMER; /* * if we are about to check the transport then give the command * more time */ if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ), jiffies)) - rc = EH_RESET_TIMER; + rc = BLK_EH_RESET_TIMER; /* if in the middle of checking the transport then give us more time */ if (conn->ping_task) - rc = EH_RESET_TIMER; + rc = BLK_EH_RESET_TIMER; done: spin_unlock(&session->lock); - debug_scsi("return %s\n", rc == EH_RESET_TIMER ? "timer reset" : "nh"); + debug_scsi("return %s\n", rc == BLK_EH_RESET_TIMER ? + "timer reset" : "nh"); return rc; } diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 48ee8c7f5bdd..837b095ba90d 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -398,7 +398,7 @@ void sas_ata_task_abort(struct sas_task *task) /* Bounce SCSI-initiated commands to the SCSI EH */ if (qc->scsicmd) { - scsi_req_abort_cmd(qc->scsicmd); + blk_abort_request(qc->scsicmd->request); scsi_schedule_eh(qc->scsicmd->device->host); return; } diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index b4f9368f116a..0001374bd6b2 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -55,7 +55,7 @@ void sas_unregister_phys(struct sas_ha_struct *sas_ha); int sas_register_ports(struct sas_ha_struct *sas_ha); void sas_unregister_ports(struct sas_ha_struct *sas_ha); -enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *); +enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *); int sas_init_queue(struct sas_ha_struct *sas_ha); int sas_init_events(struct sas_ha_struct *sas_ha); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index a8e3ef309070..744838780ada 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -673,43 +673,43 @@ out: return; } -enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) +enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) { struct sas_task *task = TO_SAS_TASK(cmd); unsigned long flags; if (!task) { - cmd->timeout_per_command /= 2; + cmd->request->timeout /= 2; SAS_DPRINTK("command 0x%p, task 0x%p, gone: %s\n", - cmd, task, (cmd->timeout_per_command ? - "EH_RESET_TIMER" : "EH_NOT_HANDLED")); - if (!cmd->timeout_per_command) - return EH_NOT_HANDLED; - return EH_RESET_TIMER; + cmd, task, (cmd->request->timeout ? + "BLK_EH_RESET_TIMER" : "BLK_EH_NOT_HANDLED")); + if (!cmd->request->timeout) + return BLK_EH_NOT_HANDLED; + return BLK_EH_RESET_TIMER; } spin_lock_irqsave(&task->task_state_lock, flags); BUG_ON(task->task_state_flags & SAS_TASK_STATE_ABORTED); if (task->task_state_flags & SAS_TASK_STATE_DONE) { spin_unlock_irqrestore(&task->task_state_lock, flags); - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n", - cmd, task); - return EH_HANDLED; + SAS_DPRINTK("command 0x%p, task 0x%p, timed out: " + "BLK_EH_HANDLED\n", cmd, task); + return BLK_EH_HANDLED; } if (!(task->task_state_flags & SAS_TASK_AT_INITIATOR)) { spin_unlock_irqrestore(&task->task_state_lock, flags); SAS_DPRINTK("command 0x%p, task 0x%p, not at initiator: " - "EH_RESET_TIMER\n", + "BLK_EH_RESET_TIMER\n", cmd, task); - return EH_RESET_TIMER; + return BLK_EH_RESET_TIMER; } task->task_state_flags |= SAS_TASK_STATE_ABORTED; spin_unlock_irqrestore(&task->task_state_lock, flags); - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_NOT_HANDLED\n", + SAS_DPRINTK("command 0x%p, task 0x%p, timed out: BLK_EH_NOT_HANDLED\n", cmd, task); - return EH_NOT_HANDLED; + return BLK_EH_NOT_HANDLED; } int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) @@ -1039,7 +1039,7 @@ void sas_task_abort(struct sas_task *task) return; } - scsi_req_abort_cmd(sc); + blk_abort_request(sc->request); scsi_schedule_eh(sc->device->host); } diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 97b763378e7d..afe1de998763 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -1167,7 +1167,7 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) * cmd has not been completed within the timeout period. */ static enum -scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) +blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) { struct megasas_cmd *cmd = (struct megasas_cmd *)scmd->SCp.ptr; struct megasas_instance *instance; @@ -1175,7 +1175,7 @@ scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) if (time_after(jiffies, scmd->jiffies_at_alloc + (MEGASAS_DEFAULT_CMD_TIMEOUT * 2) * HZ)) { - return EH_NOT_HANDLED; + return BLK_EH_NOT_HANDLED; } instance = cmd->instance; @@ -1189,7 +1189,7 @@ scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) spin_unlock_irqrestore(instance->host->host_lock, flags); } - return EH_RESET_TIMER; + return BLK_EH_RESET_TIMER; } /** diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index c57c94c0ffd2..3b7240e40819 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -4170,8 +4170,8 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd) ** **---------------------------------------------------- */ - if (np->settle_time && cmd->timeout_per_command >= HZ) { - u_long tlimit = jiffies + cmd->timeout_per_command - HZ; + if (np->settle_time && cmd->request->timeout >= HZ) { + u_long tlimit = jiffies + cmd->request->timeout - HZ; if (time_after(np->settle_time, tlimit)) np->settle_time = tlimit; } diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 37f9ba0cd798..b6cd12b2e996 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -2845,7 +2845,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); /* Set ISP command timeout. */ - pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ); + pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); /* Set device target ID and LUN */ pkt->lun = SCSI_LUN_32(cmd); @@ -3114,7 +3114,7 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); /* Set ISP command timeout. */ - pkt->timeout = cpu_to_le16(cmd->timeout_per_command/HZ); + pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); /* Set device target ID and LUN */ pkt->lun = SCSI_LUN_32(cmd); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 88bebb13bc52..de8279ad7d89 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -1542,7 +1542,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) DEBUG2(printk(KERN_INFO "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, - cmd, jiffies, cmd->timeout_per_command / HZ, + cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed)); /* FIXME: wait for hba to go online */ @@ -1598,7 +1598,7 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) DEBUG2(printk(KERN_INFO "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", - ha->host_no, cmd, jiffies, cmd->timeout_per_command / HZ, + ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed)); stat = qla4xxx_reset_target(ha, ddb_entry); diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index ee6be596503d..dbeb86cafc0d 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -291,7 +291,6 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask) unsigned long flags; cmd->device = dev; - init_timer(&cmd->eh_timeout); INIT_LIST_HEAD(&cmd->list); spin_lock_irqsave(&dev->list_lock, flags); list_add_tail(&cmd->list, &dev->cmd_list); @@ -652,14 +651,19 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) unsigned long timeout; int rtn = 0; + /* + * We will use a queued command if possible, otherwise we will + * emulate the queuing and calling of completion function ourselves. + */ + atomic_inc(&cmd->device->iorequest_cnt); + /* check if the device is still usable */ if (unlikely(cmd->device->sdev_state == SDEV_DEL)) { /* in SDEV_DEL we error all commands. DID_NO_CONNECT * returns an immediate error upwards, and signals * that the device is no longer present */ cmd->result = DID_NO_CONNECT << 16; - atomic_inc(&cmd->device->iorequest_cnt); - __scsi_done(cmd); + scsi_done(cmd); /* return 0 (because the command has been processed) */ goto out; } @@ -672,6 +676,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) * future requests should not occur until the device * transitions out of the suspend state. */ + scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY); SCSI_LOG_MLQUEUE(3, printk("queuecommand : device blocked \n")); @@ -714,20 +719,8 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) host->resetting = 0; } - /* - * AK: unlikely race here: for some reason the timer could - * expire before the serial number is set up below. - */ - scsi_add_timer(cmd, cmd->timeout_per_command, scsi_times_out); - scsi_log_send(cmd); - /* - * We will use a queued command if possible, otherwise we will - * emulate the queuing and calling of completion function ourselves. - */ - atomic_inc(&cmd->device->iorequest_cnt); - /* * Before we queue this command, check if the command * length exceeds what the host adapter can handle. @@ -744,6 +737,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) } spin_lock_irqsave(host->host_lock, flags); + /* + * AK: unlikely race here: for some reason the timer could + * expire before the serial number is set up below. + * + * TODO: kill serial or move to blk layer + */ scsi_cmd_get_serial(host, cmd); if (unlikely(host->shost_state == SHOST_DEL)) { @@ -754,12 +753,8 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) } spin_unlock_irqrestore(host->host_lock, flags); if (rtn) { - if (scsi_delete_timer(cmd)) { - atomic_inc(&cmd->device->iodone_cnt); - scsi_queue_insert(cmd, - (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ? - rtn : SCSI_MLQUEUE_HOST_BUSY); - } + scsi_queue_insert(cmd, (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ? + rtn : SCSI_MLQUEUE_HOST_BUSY); SCSI_LOG_MLQUEUE(3, printk("queuecommand : request rejected\n")); } @@ -769,24 +764,6 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) return rtn; } -/** - * scsi_req_abort_cmd -- Request command recovery for the specified command - * @cmd: pointer to the SCSI command of interest - * - * This function requests that SCSI Core start recovery for the - * command by deleting the timer and adding the command to the eh - * queue. It can be called by either LLDDs or SCSI Core. LLDDs who - * implement their own error recovery MAY ignore the timeout event if - * they generated scsi_req_abort_cmd. - */ -void scsi_req_abort_cmd(struct scsi_cmnd *cmd) -{ - if (!scsi_delete_timer(cmd)) - return; - scsi_times_out(cmd); -} -EXPORT_SYMBOL(scsi_req_abort_cmd); - /** * scsi_done - Enqueue the finished SCSI command into the done queue. * @cmd: The SCSI Command for which a low-level device driver (LLDD) gives @@ -802,42 +779,7 @@ EXPORT_SYMBOL(scsi_req_abort_cmd); */ static void scsi_done(struct scsi_cmnd *cmd) { - /* - * We don't have to worry about this one timing out anymore. - * If we are unable to remove the timer, then the command - * has already timed out. In which case, we have no choice but to - * let the timeout function run, as we have no idea where in fact - * that function could really be. It might be on another processor, - * etc, etc. - */ - if (!scsi_delete_timer(cmd)) - return; - __scsi_done(cmd); -} - -/* Private entry to scsi_done() to complete a command when the timer - * isn't running --- used by scsi_times_out */ -void __scsi_done(struct scsi_cmnd *cmd) -{ - struct request *rq = cmd->request; - - /* - * Set the serial numbers back to zero - */ - cmd->serial_number = 0; - - atomic_inc(&cmd->device->iodone_cnt); - if (cmd->result) - atomic_inc(&cmd->device->ioerr_cnt); - - BUG_ON(!rq); - - /* - * The uptodate/nbytes values don't matter, as we allow partial - * completes and thus will check this in the softirq callback - */ - rq->completion_data = cmd; - blk_complete_request(rq); + blk_complete_request(cmd->request); } /* Move this to a header if it becomes more generally useful */ diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 39ce3aba1dac..fecefa05cb62 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -111,70 +111,9 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag) return ret; } -/** - * scsi_add_timer - Start timeout timer for a single scsi command. - * @scmd: scsi command that is about to start running. - * @timeout: amount of time to allow this command to run. - * @complete: timeout function to call if timer isn't canceled. - * - * Notes: - * This should be turned into an inline function. Each scsi command - * has its own timer, and as it is added to the queue, we set up the - * timer. When the command completes, we cancel the timer. - */ -void scsi_add_timer(struct scsi_cmnd *scmd, int timeout, - void (*complete)(struct scsi_cmnd *)) -{ - - /* - * If the clock was already running for this command, then - * first delete the timer. The timer handling code gets rather - * confused if we don't do this. - */ - if (scmd->eh_timeout.function) - del_timer(&scmd->eh_timeout); - - scmd->eh_timeout.data = (unsigned long)scmd; - scmd->eh_timeout.expires = jiffies + timeout; - scmd->eh_timeout.function = (void (*)(unsigned long)) complete; - - SCSI_LOG_ERROR_RECOVERY(5, printk("%s: scmd: %p, time:" - " %d, (%p)\n", __func__, - scmd, timeout, complete)); - - add_timer(&scmd->eh_timeout); -} - -/** - * scsi_delete_timer - Delete/cancel timer for a given function. - * @scmd: Cmd that we are canceling timer for - * - * Notes: - * This should be turned into an inline function. - * - * Return value: - * 1 if we were able to detach the timer. 0 if we blew it, and the - * timer function has already started to run. - */ -int scsi_delete_timer(struct scsi_cmnd *scmd) -{ - int rtn; - - rtn = del_timer(&scmd->eh_timeout); - - SCSI_LOG_ERROR_RECOVERY(5, printk("%s: scmd: %p," - " rtn: %d\n", __func__, - scmd, rtn)); - - scmd->eh_timeout.data = (unsigned long)NULL; - scmd->eh_timeout.function = NULL; - - return rtn; -} - /** * scsi_times_out - Timeout function for normal scsi commands. - * @scmd: Cmd that is timing out. + * @req: request that is timing out. * * Notes: * We do not need to lock this. There is the potential for a race @@ -182,9 +121,11 @@ int scsi_delete_timer(struct scsi_cmnd *scmd) * normal completion function determines that the timer has already * fired, then it mustn't do anything. */ -void scsi_times_out(struct scsi_cmnd *scmd) +enum blk_eh_timer_return scsi_times_out(struct request *req) { - enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *); + struct scsi_cmnd *scmd = req->special; + enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *); + enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED; scsi_log_completion(scmd, TIMEOUT_ERROR); @@ -196,22 +137,20 @@ void scsi_times_out(struct scsi_cmnd *scmd) eh_timed_out = NULL; if (eh_timed_out) - switch (eh_timed_out(scmd)) { - case EH_HANDLED: - __scsi_done(scmd); - return; - case EH_RESET_TIMER: - scsi_add_timer(scmd, scmd->timeout_per_command, - scsi_times_out); - return; - case EH_NOT_HANDLED: + rtn = eh_timed_out(scmd); + switch (rtn) { + case BLK_EH_NOT_HANDLED: break; + default: + return rtn; } if (unlikely(!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) { scmd->result |= DID_TIME_OUT << 16; - __scsi_done(scmd); + return BLK_EH_HANDLED; } + + return BLK_EH_NOT_HANDLED; } /** @@ -1793,7 +1732,6 @@ scsi_reset_provider(struct scsi_device *dev, int flag) blk_rq_init(NULL, &req); scmd->request = &req; - memset(&scmd->eh_timeout, 0, sizeof(scmd->eh_timeout)); scmd->cmnd = req.cmd; @@ -1804,8 +1742,6 @@ scsi_reset_provider(struct scsi_device *dev, int flag) scmd->sc_data_direction = DMA_BIDIRECTIONAL; - init_timer(&scmd->eh_timeout); - spin_lock_irqsave(shost->host_lock, flags); shost->tmf_in_progress = 1; spin_unlock_irqrestore(shost->host_lock, flags); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 62307bd794a9..e7686500e9dd 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1181,7 +1181,6 @@ int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req) cmd->transfersize = req->data_len; cmd->allowed = req->retries; - cmd->timeout_per_command = req->timeout; return BLKPREP_OK; } EXPORT_SYMBOL(scsi_setup_blk_pc_cmnd); @@ -1416,17 +1415,26 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) spin_unlock(shost->host_lock); spin_lock(sdev->request_queue->queue_lock); - __scsi_done(cmd); + blk_complete_request(req); } static void scsi_softirq_done(struct request *rq) { - struct scsi_cmnd *cmd = rq->completion_data; - unsigned long wait_for = (cmd->allowed + 1) * cmd->timeout_per_command; + struct scsi_cmnd *cmd = rq->special; + unsigned long wait_for = (cmd->allowed + 1) * rq->timeout; int disposition; INIT_LIST_HEAD(&cmd->eh_entry); + /* + * Set the serial numbers back to zero + */ + cmd->serial_number = 0; + + atomic_inc(&cmd->device->iodone_cnt); + if (cmd->result) + atomic_inc(&cmd->device->ioerr_cnt); + disposition = scsi_decide_disposition(cmd); if (disposition != SUCCESS && time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) { @@ -1675,6 +1683,7 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev) blk_queue_prep_rq(q, scsi_prep_fn); blk_queue_softirq_done(q, scsi_softirq_done); + blk_queue_rq_timed_out(q, scsi_times_out); return q; } diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 79f0f7511204..6cddd5dd323c 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -4,6 +4,7 @@ #include struct request_queue; +struct request; struct scsi_cmnd; struct scsi_device; struct scsi_host_template; @@ -27,7 +28,6 @@ extern void scsi_exit_hosts(void); extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd); extern int scsi_setup_command_freelist(struct Scsi_Host *shost); extern void scsi_destroy_command_freelist(struct Scsi_Host *shost); -extern void __scsi_done(struct scsi_cmnd *cmd); #ifdef CONFIG_SCSI_LOGGING void scsi_log_send(struct scsi_cmnd *cmd); void scsi_log_completion(struct scsi_cmnd *cmd, int disposition); @@ -49,10 +49,7 @@ extern int __init scsi_init_devinfo(void); extern void scsi_exit_devinfo(void); /* scsi_error.c */ -extern void scsi_add_timer(struct scsi_cmnd *, int, - void (*)(struct scsi_cmnd *)); -extern int scsi_delete_timer(struct scsi_cmnd *); -extern void scsi_times_out(struct scsi_cmnd *cmd); +extern enum blk_eh_timer_return scsi_times_out(struct request *req); extern int scsi_error_handler(void *host); extern int scsi_decide_disposition(struct scsi_cmnd *cmd); extern void scsi_eh_wakeup(struct Scsi_Host *shost); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index ab3c71869be5..7f618ee5ecea 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -560,12 +560,15 @@ sdev_rd_attr (vendor, "%.8s\n"); sdev_rd_attr (model, "%.16s\n"); sdev_rd_attr (rev, "%.4s\n"); +/* + * TODO: can we make these symlinks to the block layer ones? + */ static ssize_t sdev_show_timeout (struct device *dev, struct device_attribute *attr, char *buf) { struct scsi_device *sdev; sdev = to_scsi_device(dev); - return snprintf (buf, 20, "%d\n", sdev->timeout / HZ); + return snprintf(buf, 20, "%d\n", sdev->request_queue->rq_timeout / HZ); } static ssize_t @@ -576,7 +579,7 @@ sdev_store_timeout (struct device *dev, struct device_attribute *attr, int timeout; sdev = to_scsi_device(dev); sscanf (buf, "%d\n", &timeout); - sdev->timeout = timeout * HZ; + blk_queue_rq_timeout(sdev->request_queue, timeout * HZ); return count; } static DEVICE_ATTR(timeout, S_IRUGO | S_IWUSR, sdev_show_timeout, sdev_store_timeout); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 56823fd1fb84..9168883d0dfe 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -1950,15 +1950,15 @@ static int fc_vport_match(struct attribute_container *cont, * Notes: * This routine assumes no locks are held on entry. */ -static enum scsi_eh_timer_return +static enum blk_eh_timer_return fc_timed_out(struct scsi_cmnd *scmd) { struct fc_rport *rport = starget_to_rport(scsi_target(scmd->device)); if (rport->port_state == FC_PORTSTATE_BLOCKED) - return EH_RESET_TIMER; + return BLK_EH_RESET_TIMER; - return EH_NOT_HANDLED; + return BLK_EH_NOT_HANDLED; } /* diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index cb115d1bf228..c0cf4acda7de 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -383,7 +383,6 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) sector_t block = rq->sector; sector_t threshold; unsigned int this_count = rq->nr_sectors; - unsigned int timeout = sdp->timeout; int ret; if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { @@ -584,7 +583,6 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) SCpnt->transfersize = sdp->sector_size; SCpnt->underflow = this_count << 9; SCpnt->allowed = SD_MAX_RETRIES; - SCpnt->timeout_per_command = timeout; /* * This indicates that the command is ready from our end to be @@ -1878,11 +1876,12 @@ static int sd_probe(struct device *dev) sdkp->openers = 0; sdkp->previous_state = 1; - if (!sdp->timeout) { + if (!sdp->request_queue->rq_timeout) { if (sdp->type != TYPE_MOD) - sdp->timeout = SD_TIMEOUT; + blk_queue_rq_timeout(sdp->request_queue, SD_TIMEOUT); else - sdp->timeout = SD_MOD_TIMEOUT; + blk_queue_rq_timeout(sdp->request_queue, + SD_MOD_TIMEOUT); } device_initialize(&sdkp->dev); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 8dbe3798d5fd..0f17009c99d2 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -331,7 +331,7 @@ static int sr_done(struct scsi_cmnd *SCpnt) static int sr_prep_fn(struct request_queue *q, struct request *rq) { - int block=0, this_count, s_size, timeout = SR_TIMEOUT; + int block = 0, this_count, s_size; struct scsi_cd *cd; struct scsi_cmnd *SCpnt; struct scsi_device *sdp = q->queuedata; @@ -461,7 +461,6 @@ static int sr_prep_fn(struct request_queue *q, struct request *rq) SCpnt->transfersize = cd->device->sector_size; SCpnt->underflow = this_count << 9; SCpnt->allowed = MAX_RETRIES; - SCpnt->timeout_per_command = timeout; /* * This indicates that the command is ready from our end to be @@ -620,6 +619,8 @@ static int sr_probe(struct device *dev) disk->fops = &sr_bdops; disk->flags = GENHD_FL_CD; + blk_queue_rq_timeout(sdev->request_queue, SR_TIMEOUT); + cd->device = sdev; cd->disk = disk; cd->driver = &sr_template; diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index d39107b7669b..f4e6cde1fd0d 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -519,8 +519,8 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd, * Shorten our settle_time if needed for * this command not to time out. */ - if (np->s.settle_time_valid && cmd->timeout_per_command) { - unsigned long tlimit = jiffies + cmd->timeout_per_command; + if (np->s.settle_time_valid && cmd->request->timeout) { + unsigned long tlimit = jiffies + cmd->request->timeout; tlimit -= SYM_CONF_TIMER_INTERVAL*2; if (time_after(np->s.settle_time, tlimit)) { np->s.settle_time = tlimit; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9c2549260427..067f28b80072 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -147,6 +147,7 @@ struct request { unsigned int cmd_flags; enum rq_cmd_type_bits cmd_type; + unsigned long atomic_flags; /* Maintain bio traversal state for part by part I/O submission. * hard_* are block layer internals, no driver should touch them! @@ -214,6 +215,8 @@ struct request { void *data; void *sense; + unsigned long deadline; + struct list_head timeout_list; unsigned int timeout; int retries; @@ -266,6 +269,14 @@ typedef void (prepare_flush_fn) (struct request_queue *, struct request *); typedef void (softirq_done_fn)(struct request *); typedef int (dma_drain_needed_fn)(struct request *); +enum blk_eh_timer_return { + BLK_EH_NOT_HANDLED, + BLK_EH_HANDLED, + BLK_EH_RESET_TIMER, +}; + +typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *); + enum blk_queue_state { Queue_down, Queue_up, @@ -311,6 +322,7 @@ struct request_queue merge_bvec_fn *merge_bvec_fn; prepare_flush_fn *prepare_flush_fn; softirq_done_fn *softirq_done_fn; + rq_timed_out_fn *rq_timed_out_fn; dma_drain_needed_fn *dma_drain_needed; /* @@ -386,6 +398,10 @@ struct request_queue unsigned int nr_sorted; unsigned int in_flight; + unsigned int rq_timeout; + struct timer_list timeout; + struct list_head timeout_list; + /* * sg stuff */ @@ -770,6 +786,8 @@ extern int blk_end_request_callback(struct request *rq, int error, unsigned int nr_bytes, int (drv_callback)(struct request *)); extern void blk_complete_request(struct request *); +extern void __blk_complete_request(struct request *); +extern void blk_abort_request(struct request *); /* * blk_end_request() takes bytes instead of sectors as a complete size. @@ -811,6 +829,8 @@ extern void blk_queue_dma_alignment(struct request_queue *, int); extern void blk_queue_update_dma_alignment(struct request_queue *, int); extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *); extern void blk_queue_set_discard(struct request_queue *, prepare_discard_fn *); +extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *); +extern void blk_queue_rq_timeout(struct request_queue *, unsigned int); extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *); extern int blk_do_ordered(struct request_queue *, struct request **); diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index f9f6e793575c..855bf95963e7 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -75,7 +75,6 @@ struct scsi_cmnd { int retries; int allowed; - int timeout_per_command; unsigned char prot_op; unsigned char prot_type; @@ -86,7 +85,6 @@ struct scsi_cmnd { /* These elements define the operation we are about to perform */ unsigned char *cmnd; - struct timer_list eh_timeout; /* Used to time out the command. */ /* These elements define the operation we ultimately want to perform */ struct scsi_data_buffer sdb; @@ -139,7 +137,6 @@ extern void scsi_put_command(struct scsi_cmnd *); extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *, struct device *); extern void scsi_finish_command(struct scsi_cmnd *cmd); -extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd); extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count, size_t *offset, size_t *len); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 44a55d1bf530..d123ca84e732 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -43,13 +43,6 @@ struct blk_queue_tags; #define DISABLE_CLUSTERING 0 #define ENABLE_CLUSTERING 1 -enum scsi_eh_timer_return { - EH_NOT_HANDLED, - EH_HANDLED, - EH_RESET_TIMER, -}; - - struct scsi_host_template { struct module *module; const char *name; @@ -347,7 +340,7 @@ struct scsi_host_template { * * Status: OPTIONAL */ - enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *); + enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *); /* * Name of proc directory diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h index 490bd13a634c..0de32cd4e8a7 100644 --- a/include/scsi/scsi_transport.h +++ b/include/scsi/scsi_transport.h @@ -21,6 +21,7 @@ #define SCSI_TRANSPORT_H #include +#include #include #include @@ -64,7 +65,7 @@ struct scsi_transport_template { * begin counting again * EH_NOT_HANDLED Begin normal error recovery */ - enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *); + enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *); /* * Used as callback for the completion of i_t_nexus request -- GitLab From 11914a53d2ec2974a565311af327b8983d8c820d Mon Sep 17 00:00:00 2001 From: Mike Anderson Date: Sat, 13 Sep 2008 20:31:27 +0200 Subject: [PATCH 3210/6244] block: Add interface to abort queued requests Signed-off-by: Mike Anderson Signed-off-by: Jens Axboe --- block/blk-timeout.c | 22 ++++++++++++++++++++++ block/elevator.c | 13 +++++++++++++ include/linux/blkdev.h | 1 + include/linux/blktrace_api.h | 2 ++ include/linux/elevator.h | 1 + 5 files changed, 39 insertions(+) diff --git a/block/blk-timeout.c b/block/blk-timeout.c index b36d07bf0afb..6e5c781c5af1 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -153,3 +153,25 @@ void blk_add_timer(struct request *req) time_before(expiry, q->timeout.expires)) mod_timer(&q->timeout, expiry); } + +/** + * blk_abort_queue -- Abort all request on given queue + * @queue: pointer to queue + * + */ +void blk_abort_queue(struct request_queue *q) +{ + unsigned long flags; + struct request *rq, *tmp; + + spin_lock_irqsave(q->queue_lock, flags); + + elv_abort_queue(q); + + list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list) + blk_abort_request(rq); + + spin_unlock_irqrestore(q->queue_lock, flags); + +} +EXPORT_SYMBOL_GPL(blk_abort_queue); diff --git a/block/elevator.c b/block/elevator.c index a91fc59edd01..8a74eedc3530 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -914,6 +914,19 @@ int elv_may_queue(struct request_queue *q, int rw) return ELV_MQUEUE_MAY; } +void elv_abort_queue(struct request_queue *q) +{ + struct request *rq; + + while (!list_empty(&q->queue_head)) { + rq = list_entry_rq(q->queue_head.next); + rq->cmd_flags |= REQ_QUIET; + blk_add_trace_rq(q, rq, BLK_TA_ABORT); + end_queued_request(rq, 0); + } +} +EXPORT_SYMBOL(elv_abort_queue); + void elv_completed_request(struct request_queue *q, struct request *rq) { elevator_t *e = q->elevator; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 067f28b80072..37781d6fe045 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -788,6 +788,7 @@ extern int blk_end_request_callback(struct request *rq, int error, extern void blk_complete_request(struct request *); extern void __blk_complete_request(struct request *); extern void blk_abort_request(struct request *); +extern void blk_abort_queue(struct request_queue *); /* * blk_end_request() takes bytes instead of sectors as a complete size. diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 27da2cc682ee..dcaf2452ed1f 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -48,6 +48,7 @@ enum blktrace_act { __BLK_TA_SPLIT, /* bio was split */ __BLK_TA_BOUNCE, /* bio was bounced */ __BLK_TA_REMAP, /* bio was remapped */ + __BLK_TA_ABORT, /* request aborted */ }; /* @@ -78,6 +79,7 @@ enum blktrace_notify { #define BLK_TA_SPLIT (__BLK_TA_SPLIT) #define BLK_TA_BOUNCE (__BLK_TA_BOUNCE) #define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_ABORT (__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE)) #define BLK_TN_PROCESS (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY)) #define BLK_TN_TIMESTAMP (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY)) diff --git a/include/linux/elevator.h b/include/linux/elevator.h index bb791c311a56..92f6f634e3e6 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -112,6 +112,7 @@ extern struct request *elv_latter_request(struct request_queue *, struct request extern int elv_register_queue(struct request_queue *q); extern void elv_unregister_queue(struct request_queue *q); extern int elv_may_queue(struct request_queue *, int); +extern void elv_abort_queue(struct request_queue *); extern void elv_completed_request(struct request_queue *, struct request *); extern int elv_set_request(struct request_queue *, struct request *, gfp_t); extern void elv_put_request(struct request_queue *, struct request *); -- GitLab From 224cb3e981f1b2f9f93dbd49eaef505d17d894c2 Mon Sep 17 00:00:00 2001 From: Mike Anderson Date: Fri, 29 Aug 2008 09:36:09 +0200 Subject: [PATCH 3211/6244] dm: Call blk_abort_queue on failed paths Signed-off-by: Mike Anderson Signed-off-by: Jens Axboe --- drivers/md/dm-mpath.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index c2fcf28b4c70..3d3848132c69 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -33,6 +33,7 @@ struct pgpath { unsigned fail_count; /* Cumulative failure count */ struct dm_path path; + struct work_struct deactivate_path; }; #define path_to_pgpath(__pgp) container_of((__pgp), struct pgpath, path) @@ -112,6 +113,7 @@ static struct workqueue_struct *kmultipathd, *kmpath_handlerd; static void process_queued_ios(struct work_struct *work); static void trigger_event(struct work_struct *work); static void activate_path(struct work_struct *work); +static void deactivate_path(struct work_struct *work); /*----------------------------------------------- @@ -122,8 +124,10 @@ static struct pgpath *alloc_pgpath(void) { struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL); - if (pgpath) + if (pgpath) { pgpath->path.is_active = 1; + INIT_WORK(&pgpath->deactivate_path, deactivate_path); + } return pgpath; } @@ -133,6 +137,14 @@ static void free_pgpath(struct pgpath *pgpath) kfree(pgpath); } +static void deactivate_path(struct work_struct *work) +{ + struct pgpath *pgpath = + container_of(work, struct pgpath, deactivate_path); + + blk_abort_queue(pgpath->path.dev->bdev->bd_disk->queue); +} + static struct priority_group *alloc_priority_group(void) { struct priority_group *pg; @@ -870,6 +882,7 @@ static int fail_path(struct pgpath *pgpath) pgpath->path.dev->name, m->nr_valid_paths); queue_work(kmultipathd, &m->trigger_event); + queue_work(kmultipathd, &pgpath->deactivate_path); out: spin_unlock_irqrestore(&m->lock, flags); -- GitLab From a91a3a20e06621b9931793888583efe37db4e4e8 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:01 +0900 Subject: [PATCH 3212/6244] sg: rename sg_cmd_done sg_rq_end_io old sg_rq_end_io() was used to wrap sg_cmd_done during converting sg to use the block layer (in order to cover the difference scsi_execute_async and blk_execute_rq_nowait). Now we don't need it so let's remove it. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 50c07bca727d..d18f90d1d9ad 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -177,7 +177,7 @@ typedef struct sg_device { /* holds the state of each scsi generic device */ static int sg_fasync(int fd, struct file *filp, int mode); /* tasklet or soft irq callback */ -static void sg_cmd_done(void *data, char *sense, int result, int resid); +static void sg_rq_end_io(struct request *rq, int uptodate); static int sg_start_req(Sg_request *srp, unsigned char *cmd); static void sg_finish_rem_req(Sg_request * srp); static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size); @@ -227,11 +227,6 @@ static int sg_allow_access(struct file *filp, unsigned char *cmd) cmd, filp->f_mode & FMODE_WRITE); } -static void sg_rq_end_io(struct request *rq, int uptodate) -{ - sg_cmd_done(rq->end_io_data, rq->sense, rq->errors, rq->data_len); -} - static int sg_open(struct inode *inode, struct file *filp) { @@ -1257,16 +1252,19 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma) return 0; } -/* This function is a "bottom half" handler that is called by the - * mid level when a command is completed (or has failed). */ -static void -sg_cmd_done(void *data, char *sense, int result, int resid) +/* + * This function is a "bottom half" handler that is called by the mid + * level when a command is completed (or has failed). + */ +static void sg_rq_end_io(struct request *rq, int uptodate) { - Sg_request *srp = data; + struct sg_request *srp = rq->end_io_data; Sg_device *sdp = NULL; Sg_fd *sfp; unsigned long iflags; unsigned int ms; + char *sense; + int result, resid; if (NULL == srp) { printk(KERN_ERR "sg_cmd_done: NULL request\n"); @@ -1280,6 +1278,9 @@ sg_cmd_done(void *data, char *sense, int result, int resid) return; } + sense = rq->sense; + result = rq->errors; + resid = rq->data_len; SCSI_LOG_TIMEOUT(4, printk("sg_cmd_done: %s, pack_id=%d, res=0x%x\n", sdp->disk->disk_name, srp->header.pack_id, result)); -- GitLab From 7e56cb0f7e7a132803ffefa0a5a15fb2079afaf1 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:02 +0900 Subject: [PATCH 3213/6244] sg: remove SG_ALLOW_DIO_CODE define sg had lots of the own functions for the direct IO but now sg uses the block layer functions for it. There are only five lines for the direct IO. SG_ALLOW_DIO_CODE define was used to compile out the direct IO code but we don't need the define. If someone wants to remove the direct IO code, he can do easily without the define. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index d18f90d1d9ad..2c30331abbed 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -68,7 +68,6 @@ static void sg_proc_cleanup(void); #endif #define SG_ALLOW_DIO_DEF 0 -#define SG_ALLOW_DIO_CODE /* compile out by commenting this define */ #define SG_MAX_DEVS 32768 @@ -1674,13 +1673,12 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) return 0; -#ifdef SG_ALLOW_DIO_CODE if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && (!sfp->parentdp->device->host->unchecked_isa_dma) && blk_rq_aligned(q, hp->dxferp, dxfer_len)) return sg_build_direct(srp, sfp, dxfer_len); -#endif + if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) sg_link_reserve(sfp, srp, dxfer_len); else -- GitLab From fd1c1de0766844af4cfc39298e109ad273e72a9e Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:03 +0900 Subject: [PATCH 3214/6244] sg: remove b_malloc_len in sg_scatter_hold struct It's not used for anything useful after the block layer conversion. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 2c30331abbed..ccce31a400ea 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -116,7 +116,6 @@ typedef struct sg_scatter_hold { /* holding area for scsi scatter gather info */ unsigned short k_use_sg; /* Count of kernel scatter-gather pieces */ unsigned sglist_len; /* size of malloc'd scatter-gather list ++ */ unsigned bufflen; /* Size of (aggregate) data buffer */ - unsigned b_malloc_len; /* actual len malloc'ed in buffer */ struct page **pages; int page_order; char dio_in_use; /* 0->indirect IO (or mmap), 1->dio */ @@ -1986,7 +1985,6 @@ sg_link_reserve(Sg_fd * sfp, Sg_request * srp, int size) req_schp->pages = rsv_schp->pages; req_schp->bufflen = size; - req_schp->b_malloc_len = rsv_schp->b_malloc_len; req_schp->page_order = rsv_schp->page_order; break; } else -- GitLab From 44c7b0eaa041007066e30ab4869d5bbf8dad5989 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:04 +0900 Subject: [PATCH 3215/6244] sg: remove __sg_start_req __sg_start_req() was used temporarily to call blk_get_request() during converting sg to use the block layer. Now sg always calls blk_get_request() so we can move blk_get_request() to sg_start_req(). We don't need __sg_start_req anymore. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index ccce31a400ea..9a56c0d320bf 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1626,14 +1626,23 @@ exit_sg(void) idr_destroy(&sg_index_idr); } -static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp, - unsigned char *cmd) +static int sg_start_req(Sg_request *srp, unsigned char *cmd) { - struct sg_fd *sfp = srp->parentfp; - struct request_queue *q = sfp->parentdp->device->request_queue; + int res = 0; struct request *rq; + Sg_fd *sfp = srp->parentfp; + sg_io_hdr_t *hp = &srp->header; + int dxfer_len = (int) hp->dxfer_len; + int dxfer_dir = hp->dxfer_direction; + Sg_scatter_hold *req_schp = &srp->data; + Sg_scatter_hold *rsv_schp = &sfp->reserve; + struct request_queue *q = sfp->parentdp->device->request_queue; + struct rq_map_data map_data; int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ; + SCSI_LOG_TIMEOUT(4, printk(KERN_INFO "sg_start_req: dxfer_len=%d\n", + dxfer_len)); + rq = blk_get_request(q, rw, GFP_ATOMIC); if (!rq) return -ENOMEM; @@ -1648,27 +1657,6 @@ static int __sg_start_req(struct sg_request *srp, struct sg_io_hdr *hp, rq->sense = srp->sense_b; rq->retries = SG_DEFAULT_RETRIES; - return 0; -} - -static int sg_start_req(Sg_request *srp, unsigned char *cmd) -{ - int res; - Sg_fd *sfp = srp->parentfp; - sg_io_hdr_t *hp = &srp->header; - int dxfer_len = (int) hp->dxfer_len; - int dxfer_dir = hp->dxfer_direction; - Sg_scatter_hold *req_schp = &srp->data; - Sg_scatter_hold *rsv_schp = &sfp->reserve; - struct request_queue *q = sfp->parentdp->device->request_queue; - struct rq_map_data map_data; - - SCSI_LOG_TIMEOUT(4, printk("sg_start_req: dxfer_len=%d\n", dxfer_len)); - - res = __sg_start_req(srp, hp, cmd); - if (res) - return res; - if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) return 0; -- GitLab From 626710c9d665ff381c7ec666b6a023f064ca5fef Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:05 +0900 Subject: [PATCH 3216/6244] sg: incorporate sg_build_direct into sg_start_req Calling blk_rq_map_user() at a single place is better than at different two places. It makes the code more understandable. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 80 +++++++++++++++++++---------------------------- 1 file changed, 33 insertions(+), 47 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 9a56c0d320bf..c0b6866eece9 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -202,7 +202,6 @@ static Sg_request *sg_get_rq_mark(Sg_fd * sfp, int pack_id); static Sg_request *sg_add_request(Sg_fd * sfp); static int sg_remove_request(Sg_fd * sfp, Sg_request * srp); static int sg_res_in_use(Sg_fd * sfp); -static int sg_build_direct(Sg_request * srp, Sg_fd * sfp, int dxfer_len); static Sg_device *sg_get_dev(int dev); #ifdef CONFIG_SCSI_PROC_FS static int sg_last_dev(void); @@ -1628,16 +1627,17 @@ exit_sg(void) static int sg_start_req(Sg_request *srp, unsigned char *cmd) { - int res = 0; + int res; struct request *rq; Sg_fd *sfp = srp->parentfp; sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; int dxfer_dir = hp->dxfer_direction; + unsigned int iov_count = hp->iovec_count; Sg_scatter_hold *req_schp = &srp->data; Sg_scatter_hold *rsv_schp = &sfp->reserve; struct request_queue *q = sfp->parentdp->device->request_queue; - struct rq_map_data map_data; + struct rq_map_data *md, map_data; int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ; SCSI_LOG_TIMEOUT(4, printk(KERN_INFO "sg_start_req: dxfer_len=%d\n", @@ -1660,38 +1660,43 @@ static int sg_start_req(Sg_request *srp, unsigned char *cmd) if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) return 0; - if (sg_allow_dio && (hp->flags & SG_FLAG_DIRECT_IO) && - (dxfer_dir != SG_DXFER_UNKNOWN) && (0 == hp->iovec_count) && - (!sfp->parentdp->device->host->unchecked_isa_dma) && + if (sg_allow_dio && hp->flags & SG_FLAG_DIRECT_IO && + dxfer_dir != SG_DXFER_UNKNOWN && !iov_count && + !sfp->parentdp->device->host->unchecked_isa_dma && blk_rq_aligned(q, hp->dxferp, dxfer_len)) - return sg_build_direct(srp, sfp, dxfer_len); + md = NULL; + else + md = &map_data; + + if (md) { + if (!sg_res_in_use(sfp) && dxfer_len <= rsv_schp->bufflen) + sg_link_reserve(sfp, srp, dxfer_len); + else { + res = sg_build_indirect(req_schp, sfp, dxfer_len); + if (res) + return res; + } - if ((!sg_res_in_use(sfp)) && (dxfer_len <= rsv_schp->bufflen)) - sg_link_reserve(sfp, srp, dxfer_len); + md->pages = req_schp->pages; + md->page_order = req_schp->page_order; + md->nr_entries = req_schp->k_use_sg; + } + + if (iov_count) + res = blk_rq_map_user_iov(q, rq, md, hp->dxferp, iov_count, + hp->dxfer_len, GFP_ATOMIC); else - res = sg_build_indirect(req_schp, sfp, dxfer_len); + res = blk_rq_map_user(q, rq, md, hp->dxferp, + hp->dxfer_len, GFP_ATOMIC); if (!res) { - struct request *rq = srp->rq; - Sg_scatter_hold *schp = &srp->data; - int iovec_count = (int) hp->iovec_count; - - map_data.pages = schp->pages; - map_data.page_order = schp->page_order; - map_data.nr_entries = schp->k_use_sg; - - if (iovec_count) - res = blk_rq_map_user_iov(q, rq, &map_data, hp->dxferp, - iovec_count, - hp->dxfer_len, GFP_ATOMIC); - else - res = blk_rq_map_user(q, rq, &map_data, hp->dxferp, - hp->dxfer_len, GFP_ATOMIC); + srp->bio = rq->bio; - if (!res) - srp->bio = rq->bio; + if (!md) { + req_schp->dio_in_use = 1; + hp->info |= SG_INFO_DIRECT_IO; + } } - return res; } @@ -1730,25 +1735,6 @@ sg_build_sgat(Sg_scatter_hold * schp, const Sg_fd * sfp, int tablesize) return tablesize; /* number of scat_gath elements allocated */ } -/* Returns: -ve -> error, 0 -> done, 1 -> try indirect */ -static int -sg_build_direct(Sg_request * srp, Sg_fd * sfp, int dxfer_len) -{ - sg_io_hdr_t *hp = &srp->header; - Sg_scatter_hold *schp = &srp->data; - int res; - struct request *rq = srp->rq; - struct request_queue *q = sfp->parentdp->device->request_queue; - - res = blk_rq_map_user(q, rq, NULL, hp->dxferp, dxfer_len, GFP_ATOMIC); - if (res) - return res; - srp->bio = rq->bio; - schp->dio_in_use = 1; - hp->info |= SG_INFO_DIRECT_IO; - return 0; -} - static int sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) { -- GitLab From c3919af2354fff673026dcbeac6f009d2ce5ceee Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:06 +0900 Subject: [PATCH 3217/6244] sg: remove sg_write_xfer sg_write_xfer was used to copy data from user space for WRITE commands. blk_rq_map_user_iov and blk_rq_map_user do the job so sg_write_xfer does nothing useful. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 32 -------------------------------- 1 file changed, 32 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index c0b6866eece9..07bd68331303 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -188,7 +188,6 @@ static ssize_t sg_new_write(Sg_fd *sfp, struct file *file, int read_only, Sg_request **o_srp); static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking); -static int sg_write_xfer(Sg_request * srp); static int sg_read_xfer(Sg_request * srp); static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer); static void sg_remove_scat(Sg_scatter_hold * schp); @@ -736,11 +735,6 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, sg_finish_rem_req(srp); return k; /* probably out of space --> ENOMEM */ } - if ((k = sg_write_xfer(srp))) { - SCSI_LOG_TIMEOUT(1, printk("sg_common_write: write_xfer, bad address\n")); - sg_finish_rem_req(srp); - return k; - } if (sdp->detached) { sg_finish_rem_req(srp); return -ENODEV; @@ -1816,32 +1810,6 @@ out: return -ENOMEM; } -static int -sg_write_xfer(Sg_request * srp) -{ - sg_io_hdr_t *hp = &srp->header; - Sg_scatter_hold *schp = &srp->data; - int num_xfer = 0; - int dxfer_dir = hp->dxfer_direction; - int new_interface = ('\0' == hp->interface_id) ? 0 : 1; - - if ((SG_DXFER_UNKNOWN == dxfer_dir) || (SG_DXFER_TO_DEV == dxfer_dir) || - (SG_DXFER_TO_FROM_DEV == dxfer_dir)) { - num_xfer = (int) (new_interface ? hp->dxfer_len : hp->flags); - if (schp->bufflen < num_xfer) - num_xfer = schp->bufflen; - } - if ((num_xfer <= 0) || (schp->dio_in_use) || - (new_interface - && ((SG_FLAG_NO_DXFER | SG_FLAG_MMAP_IO) & hp->flags))) - return 0; - - SCSI_LOG_TIMEOUT(4, printk("sg_write_xfer: num_xfer=%d, k_use_sg=%d\n", - num_xfer, schp->k_use_sg)); - - return 0; -} - static void sg_remove_scat(Sg_scatter_hold * schp) { -- GitLab From 0b6cb26c6686f1f24607c41f0a6d21ce54191710 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:07 +0900 Subject: [PATCH 3218/6244] sg: remove sg_read_xfer sg_read_xfer was used to copy data to user space for READ commands. blk_rq_unmap_user does the job so sg_read_xfer does nothing useful. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 33 +++++---------------------------- 1 file changed, 5 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 07bd68331303..df8bf67b171a 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -188,7 +188,6 @@ static ssize_t sg_new_write(Sg_fd *sfp, struct file *file, int read_only, Sg_request **o_srp); static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking); -static int sg_read_xfer(Sg_request * srp); static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer); static void sg_remove_scat(Sg_scatter_hold * schp); static void sg_build_reserve(Sg_fd * sfp, int req_size); @@ -523,8 +522,11 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) err = -EFAULT; goto err_out; } - err = sg_read_xfer(srp); - err_out: + if (srp->bio) { + err = blk_rq_unmap_user(srp->bio); + srp->bio = NULL; + } +err_out: sg_finish_rem_req(srp); return (0 == err) ? count : err; } @@ -1831,31 +1833,6 @@ sg_remove_scat(Sg_scatter_hold * schp) memset(schp, 0, sizeof (*schp)); } -static int -sg_read_xfer(Sg_request * srp) -{ - sg_io_hdr_t *hp = &srp->header; - Sg_scatter_hold *schp = &srp->data; - int num_xfer = 0; - int dxfer_dir = hp->dxfer_direction; - int new_interface = ('\0' == hp->interface_id) ? 0 : 1; - - if ((SG_DXFER_UNKNOWN == dxfer_dir) || (SG_DXFER_FROM_DEV == dxfer_dir) - || (SG_DXFER_TO_FROM_DEV == dxfer_dir)) { - num_xfer = hp->dxfer_len; - if (schp->bufflen < num_xfer) - num_xfer = schp->bufflen; - } - if ((num_xfer <= 0) || (schp->dio_in_use) || - (new_interface - && ((SG_FLAG_NO_DXFER | SG_FLAG_MMAP_IO) & hp->flags))) - return 0; - - SCSI_LOG_TIMEOUT(4, printk("sg_read_xfer: num_xfer=%d, iovec_count=%d, k_use_sg=%d\n", - num_xfer, (int)hp->iovec_count, schp->k_use_sg)); - return 0; -} - static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) { -- GitLab From 4677735f03f5b6b6f2182f457a921855cadfb85b Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 2 Sep 2008 22:50:08 +0900 Subject: [PATCH 3219/6244] sg: remove unnecessary blk_rq_unmap_user blk_rq_unmap_user in sg_finish_rem_req can take care of all the cases. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- drivers/scsi/sg.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index df8bf67b171a..ba9b9bbd4e73 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -522,10 +522,6 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp) err = -EFAULT; goto err_out; } - if (srp->bio) { - err = blk_rq_unmap_user(srp->bio); - srp->bio = NULL; - } err_out: sg_finish_rem_req(srp); return (0 == err) ? count : err; @@ -1844,9 +1840,6 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer) if ((!outp) || (num_read_xfer <= 0)) return 0; - blk_rq_unmap_user(srp->bio); - srp->bio = NULL; - num = 1 << (PAGE_SHIFT + schp->page_order); for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) { if (num > num_read_xfer) { -- GitLab From 3e6053d76dcbd92b2f9f4ad5ece9bce83149523e Mon Sep 17 00:00:00 2001 From: Hugh Dickins Date: Thu, 11 Sep 2008 10:57:55 +0200 Subject: [PATCH 3220/6244] block: adjust blkdev_issue_discard for swap Two mods to blkdev_issue_discard(), thinking ahead to its use on swap: 1. Add gfp_mask argument, so swap allocation can use it where GFP_KERNEL might deadlock but GFP_NOIO is safe. 2. Enlarge nr_sects argument from unsigned to sector_t: unsigned long is enough to cover a whole swap area, but sector_t suits any partition. Change sb_issue_discard()'s nr_blocks to sector_t too; but no need seen for a gfp_mask there, just pass GFP_KERNEL down to blkdev_issue_discard(). Signed-off-by: Hugh Dickins Signed-off-by: Jens Axboe --- block/blk-barrier.c | 7 ++++--- include/linux/blkdev.h | 9 +++++---- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/block/blk-barrier.c b/block/blk-barrier.c index 988b63479b2f..5c99ff8d2db8 100644 --- a/block/blk-barrier.c +++ b/block/blk-barrier.c @@ -332,12 +332,13 @@ static void blkdev_discard_end_io(struct bio *bio, int err) * @bdev: blockdev to issue discard for * @sector: start sector * @nr_sects: number of sectors to discard + * @gfp_mask: memory allocation flags (for bio_alloc) * * Description: * Issue a discard request for the sectors in question. Does not wait. */ -int blkdev_issue_discard(struct block_device *bdev, sector_t sector, - unsigned nr_sects) +int blkdev_issue_discard(struct block_device *bdev, + sector_t sector, sector_t nr_sects, gfp_t gfp_mask) { struct request_queue *q; struct bio *bio; @@ -354,7 +355,7 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, return -EOPNOTSUPP; while (nr_sects && !ret) { - bio = bio_alloc(GFP_KERNEL, 0); + bio = bio_alloc(gfp_mask, 0); if (!bio) return -ENOMEM; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 37781d6fe045..b47767c72ce3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -873,15 +874,15 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, } extern int blkdev_issue_flush(struct block_device *, sector_t *); -extern int blkdev_issue_discard(struct block_device *, sector_t sector, - unsigned nr_sects); +extern int blkdev_issue_discard(struct block_device *, + sector_t sector, sector_t nr_sects, gfp_t); static inline int sb_issue_discard(struct super_block *sb, - sector_t block, unsigned nr_blocks) + sector_t block, sector_t nr_blocks) { block <<= (sb->s_blocksize_bits - 9); nr_blocks <<= (sb->s_blocksize_bits - 9); - return blkdev_issue_discard(sb->s_bdev, block, nr_blocks); + return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL); } /* -- GitLab From 0a0d96b03a1f3bfd6bc3ea08008699e8e59fccd9 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 11 Sep 2008 13:17:37 +0200 Subject: [PATCH 3221/6244] block: add bio_kmalloc() Not all callers need (or want!) the mempool backing guarentee, it essentially means that you can only use bio_alloc() for short allocations and not for preallocating some bio's at setup or init time. So add bio_kmalloc() which does the same thing as bio_alloc(), except it just uses kmalloc() as the backing instead of the bio mempools. Signed-off-by: Jens Axboe --- fs/bio.c | 96 +++++++++++++++++++++++++++++++++++---------- include/linux/bio.h | 1 + 2 files changed, 76 insertions(+), 21 deletions(-) diff --git a/fs/bio.c b/fs/bio.c index 355302985e22..e56e7685af9c 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -60,25 +60,46 @@ struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct struct bio_vec *bvl; /* - * see comment near bvec_array define! + * If 'bs' is given, lookup the pool and do the mempool alloc. + * If not, this is a bio_kmalloc() allocation and just do a + * kzalloc() for the exact number of vecs right away. */ - switch (nr) { - case 1 : *idx = 0; break; - case 2 ... 4: *idx = 1; break; - case 5 ... 16: *idx = 2; break; - case 17 ... 64: *idx = 3; break; - case 65 ... 128: *idx = 4; break; - case 129 ... BIO_MAX_PAGES: *idx = 5; break; + if (bs) { + /* + * see comment near bvec_array define! + */ + switch (nr) { + case 1: + *idx = 0; + break; + case 2 ... 4: + *idx = 1; + break; + case 5 ... 16: + *idx = 2; + break; + case 17 ... 64: + *idx = 3; + break; + case 65 ... 128: + *idx = 4; + break; + case 129 ... BIO_MAX_PAGES: + *idx = 5; + break; default: return NULL; - } - /* - * idx now points to the pool we want to allocate from - */ + } - bvl = mempool_alloc(bs->bvec_pools[*idx], gfp_mask); - if (bvl) - memset(bvl, 0, bvec_nr_vecs(*idx) * sizeof(struct bio_vec)); + /* + * idx now points to the pool we want to allocate from + */ + bvl = mempool_alloc(bs->bvec_pools[*idx], gfp_mask); + if (bvl) + memset(bvl, 0, + bvec_nr_vecs(*idx) * sizeof(struct bio_vec)); + } else + bvl = kzalloc(nr * sizeof(struct bio_vec), gfp_mask); return bvl; } @@ -107,6 +128,12 @@ static void bio_fs_destructor(struct bio *bio) bio_free(bio, fs_bio_set); } +static void bio_kmalloc_destructor(struct bio *bio) +{ + kfree(bio->bi_io_vec); + kfree(bio); +} + void bio_init(struct bio *bio) { memset(bio, 0, sizeof(*bio)); @@ -119,19 +146,25 @@ void bio_init(struct bio *bio) * bio_alloc_bioset - allocate a bio for I/O * @gfp_mask: the GFP_ mask given to the slab allocator * @nr_iovecs: number of iovecs to pre-allocate - * @bs: the bio_set to allocate from + * @bs: the bio_set to allocate from. If %NULL, just use kmalloc * * Description: - * bio_alloc_bioset will first try it's on mempool to satisfy the allocation. + * bio_alloc_bioset will first try its own mempool to satisfy the allocation. * If %__GFP_WAIT is set then we will block on the internal pool waiting - * for a &struct bio to become free. + * for a &struct bio to become free. If a %NULL @bs is passed in, we will + * fall back to just using @kmalloc to allocate the required memory. * * allocate bio and iovecs from the memory pools specified by the - * bio_set structure. + * bio_set structure, or @kmalloc if none given. **/ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs) { - struct bio *bio = mempool_alloc(bs->bio_pool, gfp_mask); + struct bio *bio; + + if (bs) + bio = mempool_alloc(bs->bio_pool, gfp_mask); + else + bio = kmalloc(sizeof(*bio), gfp_mask); if (likely(bio)) { struct bio_vec *bvl = NULL; @@ -142,7 +175,10 @@ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs) bvl = bvec_alloc_bs(gfp_mask, nr_iovecs, &idx, bs); if (unlikely(!bvl)) { - mempool_free(bio, bs->bio_pool); + if (bs) + mempool_free(bio, bs->bio_pool); + else + kfree(bio); bio = NULL; goto out; } @@ -165,6 +201,23 @@ struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs) return bio; } +/* + * Like bio_alloc(), but doesn't use a mempool backing. This means that + * it CAN fail, but while bio_alloc() can only be used for allocations + * that have a short (finite) life span, bio_kmalloc() should be used + * for more permanent bio allocations (like allocating some bio's for + * initalization or setup purposes). + */ +struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs) +{ + struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, NULL); + + if (bio) + bio->bi_destructor = bio_kmalloc_destructor; + + return bio; +} + void zero_fill_bio(struct bio *bio) { unsigned long flags; @@ -1349,6 +1402,7 @@ static int __init init_bio(void) subsys_initcall(init_bio); EXPORT_SYMBOL(bio_alloc); +EXPORT_SYMBOL(bio_kmalloc); EXPORT_SYMBOL(bio_put); EXPORT_SYMBOL(bio_free); EXPORT_SYMBOL(bio_endio); diff --git a/include/linux/bio.h b/include/linux/bio.h index 7af373f253dc..6520ee1a3f6d 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -308,6 +308,7 @@ extern struct bio_set *bioset_create(int, int); extern void bioset_free(struct bio_set *); extern struct bio *bio_alloc(gfp_t, int); +extern struct bio *bio_kmalloc(gfp_t, int); extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); extern void bio_free(struct bio *, struct bio_set *); -- GitLab From 581d4e28d9195aa8b2231383dbabc288988d615e Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Sun, 14 Sep 2008 05:56:33 -0700 Subject: [PATCH 3222/6244] block: add fault injection mechanism for faking request timeouts Only works for the generic request timer handling. Allows one to sporadically ignore request completions, thus exercising the timeout handling. Signed-off-by: Jens Axboe --- block/blk-softirq.c | 2 ++ block/blk-timeout.c | 59 ++++++++++++++++++++++++++++++++++++++++++ block/blk.h | 12 +++++++++ block/genhd.c | 8 ++++++ include/linux/blkdev.h | 1 + lib/Kconfig.debug | 13 +++++++++- 6 files changed, 94 insertions(+), 1 deletion(-) diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 7ab344afb16f..e660d26ca656 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -154,6 +154,8 @@ do_local: **/ void blk_complete_request(struct request *req) { + if (unlikely(blk_should_fake_timeout(req->q))) + return; if (!blk_mark_rq_complete(req)) __blk_complete_request(req); } diff --git a/block/blk-timeout.c b/block/blk-timeout.c index 6e5c781c5af1..9b4ad138bb33 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -4,9 +4,68 @@ #include #include #include +#include #include "blk.h" +#ifdef CONFIG_FAIL_IO_TIMEOUT + +static DECLARE_FAULT_ATTR(fail_io_timeout); + +static int __init setup_fail_io_timeout(char *str) +{ + return setup_fault_attr(&fail_io_timeout, str); +} +__setup("fail_io_timeout=", setup_fail_io_timeout); + +int blk_should_fake_timeout(struct request_queue *q) +{ + if (!test_bit(QUEUE_FLAG_FAIL_IO, &q->queue_flags)) + return 0; + + return should_fail(&fail_io_timeout, 1); +} + +static int __init fail_io_timeout_debugfs(void) +{ + return init_fault_attr_dentries(&fail_io_timeout, "fail_io_timeout"); +} + +late_initcall(fail_io_timeout_debugfs); + +ssize_t part_timeout_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct gendisk *disk = dev_to_disk(dev); + int set = test_bit(QUEUE_FLAG_FAIL_IO, &disk->queue->queue_flags); + + return sprintf(buf, "%d\n", set != 0); +} + +ssize_t part_timeout_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct gendisk *disk = dev_to_disk(dev); + int val; + + if (count) { + struct request_queue *q = disk->queue; + char *p = (char *) buf; + + val = simple_strtoul(p, &p, 10); + spin_lock_irq(q->queue_lock); + if (val) + queue_flag_set(QUEUE_FLAG_FAIL_IO, q); + else + queue_flag_clear(QUEUE_FLAG_FAIL_IO, q); + spin_unlock_irq(q->queue_lock); + } + + return count; +} + +#endif /* CONFIG_FAIL_IO_TIMEOUT */ + /* * blk_delete_timer - Delete/cancel timer for a given function. * @req: request that we are canceling timer for diff --git a/block/blk.h b/block/blk.h index a4f4a50aefaa..e5c579769963 100644 --- a/block/blk.h +++ b/block/blk.h @@ -42,6 +42,18 @@ static inline void blk_clear_rq_complete(struct request *rq) clear_bit(REQ_ATOM_COMPLETE, &rq->atomic_flags); } +#ifdef CONFIG_FAIL_IO_TIMEOUT +int blk_should_fake_timeout(struct request_queue *); +ssize_t part_timeout_show(struct device *, struct device_attribute *, char *); +ssize_t part_timeout_store(struct device *, struct device_attribute *, + const char *, size_t); +#else +static inline int blk_should_fake_timeout(struct request_queue *q) +{ + return 0; +} +#endif + struct io_context *current_io_context(gfp_t gfp_flags, int node); int ll_back_merge_fn(struct request_queue *q, struct request *req, diff --git a/block/genhd.c b/block/genhd.c index 8acaff0154e3..4cd3433c99ac 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -817,6 +817,11 @@ static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL); static struct device_attribute dev_attr_fail = __ATTR(make-it-fail, S_IRUGO|S_IWUSR, part_fail_show, part_fail_store); #endif +#ifdef CONFIG_FAIL_IO_TIMEOUT +static struct device_attribute dev_attr_fail_timeout = + __ATTR(io-timeout-fail, S_IRUGO|S_IWUSR, part_timeout_show, + part_timeout_store); +#endif static struct attribute *disk_attrs[] = { &dev_attr_range.attr, @@ -828,6 +833,9 @@ static struct attribute *disk_attrs[] = { &dev_attr_stat.attr, #ifdef CONFIG_FAIL_MAKE_REQUEST &dev_attr_fail.attr, +#endif +#ifdef CONFIG_FAIL_IO_TIMEOUT + &dev_attr_fail_timeout.attr, #endif NULL }; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index b47767c72ce3..e34999d14c16 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -440,6 +440,7 @@ struct request_queue #define QUEUE_FLAG_BIDI 9 /* queue supports bidi requests */ #define QUEUE_FLAG_NOMERGES 10 /* disable merge attempts */ #define QUEUE_FLAG_SAME_COMP 11 /* force complete on same CPU */ +#define QUEUE_FLAG_FAIL_IO 12 /* fake timeout */ static inline int queue_is_locked(struct request_queue *q) { diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c556896abe57..7d7a31d0ddeb 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -683,10 +683,21 @@ config FAIL_PAGE_ALLOC config FAIL_MAKE_REQUEST bool "Fault-injection capability for disk IO" - depends on FAULT_INJECTION + depends on FAULT_INJECTION && BLOCK help Provide fault-injection capability for disk IO. +config FAIL_IO_TIMEOUT + bool "Faul-injection capability for faking disk interrupts" + depends on FAULT_INJECTION && BLOCK + help + Provide fault-injection capability on end IO handling. This + will make the block layer "forget" an interrupt as configured, + thus exercising the error handling. + + Only works with drivers that use the generic timeout handling, + for others it wont do anything. + config FAULT_INJECTION_DEBUG_FS bool "Debugfs entries for fault-injection capabilities" depends on FAULT_INJECTION && SYSFS && DEBUG_FS -- GitLab From 7ba1fbaa4a478f72fbaf5a56af9c82a77966b4c7 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 16 Sep 2008 09:54:11 -0700 Subject: [PATCH 3223/6244] block: use rq complete marking in blk_abort_request() We cannot abort a request if we raced with the timeout handler already, or with the IO completion. So make blk_abort_request() mark the request as complete, and only continue if we succeeded. Found and suggested by Mike Anderson Signed-off-by: Jens Axboe --- block/blk-timeout.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/blk-timeout.c b/block/blk-timeout.c index 9b4ad138bb33..972a63f848fb 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -158,6 +158,8 @@ void blk_rq_timed_out_timer(unsigned long data) */ void blk_abort_request(struct request *req) { + if (blk_mark_rq_complete(req)) + return; blk_delete_timer(req); blk_rq_timed_out(req); } -- GitLab From 9c02f2b02e29a2244e36c6e1f246080d8afc6cff Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 18 Sep 2008 09:31:53 -0700 Subject: [PATCH 3224/6244] block: cleanup some of the integrity stuff in blkdev.h Don't put functions that are only used in fs/bio-integrity.c in blkdev.h, it's much cleaner to just keep it in there. Also kill completely unused bdev_get_tag_size() Signed-off-by: Jens Axboe --- fs/bio-integrity.c | 31 ++++++++++++++++++++++++++++++ include/linux/blkdev.h | 43 ------------------------------------------ 2 files changed, 31 insertions(+), 43 deletions(-) diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index c3e174b35fe6..ba4ada08564a 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -150,6 +150,29 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, } EXPORT_SYMBOL(bio_integrity_add_page); +static struct blk_integrity *bdev_get_integrity(struct block_device *bdev) +{ + return bdev->bd_disk->integrity; +} + +static int bdev_integrity_enabled(struct block_device *bdev, int rw) +{ + struct blk_integrity *bi = bdev_get_integrity(bdev); + + if (bi == NULL) + return 0; + + if (rw == READ && bi->verify_fn != NULL && + (bi->flags & INTEGRITY_FLAG_READ)) + return 1; + + if (rw == WRITE && bi->generate_fn != NULL && + (bi->flags & INTEGRITY_FLAG_WRITE)) + return 1; + + return 0; +} + /** * bio_integrity_enabled - Check whether integrity can be passed * @bio: bio to check @@ -313,6 +336,14 @@ static void bio_integrity_generate(struct bio *bio) } } +static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi) +{ + if (bi) + return bi->tuple_size; + + return 0; +} + /** * bio_integrity_prep - Prepare bio for integrity I/O * @bio: bio to prepare diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e34999d14c16..e23b838825bd 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1004,47 +1004,6 @@ extern int blk_integrity_compare(struct block_device *, struct block_device *); extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *); extern int blk_rq_count_integrity_sg(struct request *); -static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi) -{ - if (bi) - return bi->tuple_size; - - return 0; -} - -static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev) -{ - return bdev->bd_disk->integrity; -} - -static inline unsigned int bdev_get_tag_size(struct block_device *bdev) -{ - struct blk_integrity *bi = bdev_get_integrity(bdev); - - if (bi) - return bi->tag_size; - - return 0; -} - -static inline int bdev_integrity_enabled(struct block_device *bdev, int rw) -{ - struct blk_integrity *bi = bdev_get_integrity(bdev); - - if (bi == NULL) - return 0; - - if (rw == READ && bi->verify_fn != NULL && - (bi->flags & INTEGRITY_FLAG_READ)) - return 1; - - if (rw == WRITE && bi->generate_fn != NULL && - (bi->flags & INTEGRITY_FLAG_WRITE)) - return 1; - - return 0; -} - static inline int blk_integrity_rq(struct request *rq) { if (rq->bio == NULL) @@ -1058,8 +1017,6 @@ static inline int blk_integrity_rq(struct request *rq) #define blk_integrity_rq(rq) (0) #define blk_rq_count_integrity_sg(a) (0) #define blk_rq_map_integrity_sg(a, b) (0) -#define bdev_get_integrity(a) (0) -#define bdev_get_tag_size(a) (0) #define blk_integrity_compare(a, b) (0) #define blk_integrity_register(a, b) (0) #define blk_integrity_unregister(a) do { } while (0); -- GitLab From 9246b5f06deeea541e7c62437c2ad19a0b1172c0 Mon Sep 17 00:00:00 2001 From: Chris Lalancette Date: Wed, 17 Sep 2008 14:30:32 -0700 Subject: [PATCH 3225/6244] block: Expand Xen blkfront for > 16 xvd Until recently, the maximum number of xvd block devices you could attach to a Xen domU was 16. This limitation turned out to be problematic for some users, so it was expanded to handle a much larger number of disks. However, this requires a couple of changes in the way that blkfront scans for disks. This functionality is already present in the Xen linux-2.6.18-xen.hg tree; the attached patch adds this functionality to the mainline xen-blkfront implementation. I successfully tested it on a 2.6.25 tree, and build tested it on 2.6.27-rc3. Signed-off-by: Chris Lalancette Acked-by: Jeremy Fitzhardinge Signed-off-by: Jens Axboe --- drivers/block/xen-blkfront.c | 76 ++++++++++++++++++++++++++---------- 1 file changed, 55 insertions(+), 21 deletions(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 3ca643cafccd..bff602ccccf3 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -105,15 +105,17 @@ static DEFINE_SPINLOCK(blkif_io_lock); #define GRANT_INVALID_REF 0 #define PARTS_PER_DISK 16 +#define PARTS_PER_EXT_DISK 256 #define BLKIF_MAJOR(dev) ((dev)>>8) #define BLKIF_MINOR(dev) ((dev) & 0xff) -#define DEV_NAME "xvd" /* name in /dev */ +#define EXT_SHIFT 28 +#define EXTENDED (1<gd != NULL); BUG_ON(info->rq != NULL); - if ((minor % PARTS_PER_DISK) == 0) - nr_minors = PARTS_PER_DISK; + if ((info->vdevice>>EXT_SHIFT) > 1) { + /* this is above the extended range; something is wrong */ + printk(KERN_WARNING "blkfront: vdevice 0x%x is above the extended range; ignoring\n", info->vdevice); + return -ENODEV; + } + + if (!VDEV_IS_EXTENDED(info->vdevice)) { + minor = BLKIF_MINOR(info->vdevice); + nr_parts = PARTS_PER_DISK; + } else { + minor = BLKIF_MINOR_EXT(info->vdevice); + nr_parts = PARTS_PER_EXT_DISK; + } + + if ((minor % nr_parts) == 0) + nr_minors = nr_parts; gd = alloc_disk(nr_minors); if (gd == NULL) goto out; - if (nr_minors > 1) - sprintf(gd->disk_name, "%s%c", DEV_NAME, - 'a' + minor / PARTS_PER_DISK); - else - sprintf(gd->disk_name, "%s%c%d", DEV_NAME, - 'a' + minor / PARTS_PER_DISK, - minor % PARTS_PER_DISK); + offset = minor / nr_parts; + + if (nr_minors > 1) { + if (offset < 26) + sprintf(gd->disk_name, "%s%c", DEV_NAME, 'a' + offset); + else + sprintf(gd->disk_name, "%s%c%c", DEV_NAME, + 'a' + ((offset / 26)-1), 'a' + (offset % 26)); + } else { + if (offset < 26) + sprintf(gd->disk_name, "%s%c%d", DEV_NAME, + 'a' + offset, + minor & (nr_parts - 1)); + else + sprintf(gd->disk_name, "%s%c%c%d", DEV_NAME, + 'a' + ((offset / 26) - 1), + 'a' + (offset % 26), + minor & (nr_parts - 1)); + } gd->major = XENVBD_MAJOR; gd->first_minor = minor; @@ -699,8 +730,13 @@ static int blkfront_probe(struct xenbus_device *dev, err = xenbus_scanf(XBT_NIL, dev->nodename, "virtual-device", "%i", &vdevice); if (err != 1) { - xenbus_dev_fatal(dev, err, "reading virtual-device"); - return err; + /* go looking in the extended area instead */ + err = xenbus_scanf(XBT_NIL, dev->nodename, "virtual-device-ext", + "%i", &vdevice); + if (err != 1) { + xenbus_dev_fatal(dev, err, "reading virtual-device"); + return err; + } } info = kzalloc(sizeof(*info), GFP_KERNEL); @@ -861,9 +897,7 @@ static void blkfront_connect(struct blkfront_info *info) if (err) info->feature_barrier = 0; - err = xlvbd_alloc_gendisk(BLKIF_MINOR(info->vdevice), - sectors, info->vdevice, - binfo, sector_size, info); + err = xlvbd_alloc_gendisk(sectors, info, binfo, sector_size); if (err) { xenbus_dev_fatal(info->xbdev, err, "xlvbd_add at %s", info->xbdev->otherend); -- GitLab From e3335de94067dbebe22e3962632ead34e832cb60 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 18 Sep 2008 09:22:54 -0700 Subject: [PATCH 3226/6244] block: blk_cleanup_queue() should call blk_sync_queue() When a driver calls blk_cleanup_queue(), the device should be fully idle. However, the block layer may have pending plugging timers and the IO schedulers may have pending work in the work queues. So quisce the device by waiting for the timer and flushing the work queues. Signed-off-by: Jens Axboe --- block/blk-core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index d768a8ddc173..37fba001bdcf 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -436,6 +436,14 @@ void blk_put_queue(struct request_queue *q) void blk_cleanup_queue(struct request_queue *q) { + /* + * We know we have process context here, so we can be a little + * cautious and ensure that pending block actions on this device + * are done before moving on. Going into this function, we should + * not have processes doing IO to this device. + */ + blk_sync_queue(q); + mutex_lock(&q->sysfs_lock); queue_flag_set_unlocked(QUEUE_FLAG_DEAD, q); mutex_unlock(&q->sysfs_lock); -- GitLab From 32fab448e5e86694beade415e750363538ea5f49 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Thu, 18 Sep 2008 10:45:09 -0400 Subject: [PATCH 3227/6244] block: add request update interface This patch adds blk_update_request(), which updates struct request with completing its data part, but doesn't complete the struct request itself. Though it looks like end_that_request_first() of older kernels, blk_update_request() should be used only by request stacking drivers. Request-based dm will use it in bio->bi_end_io callback to update the original request when a data part of a cloned request completes. Followings are additional background information of why request-based dm needs this interface. - Request stacking drivers can't use blk_end_request() directly from the lower driver's completion context (bio->bi_end_io or rq->end_io), because some device drivers (e.g. ide) may try to complete their request with queue lock held, and it may cause deadlock. See below for detailed description of possible deadlock: - To solve that, request-based dm offloads the completion of cloned struct request to softirq context (i.e. using blk_complete_request() from rq->end_io). - Though it is possible to use the same solution from bio->bi_end_io, it will delay the notification of bio completion to the original submitter. Also, it will cause inefficient partial completion, because the lower driver can't perform the cloned request anymore and request-based dm needs to requeue and redispatch it to the lower driver again later. That's not good. - So request-based dm needs blk_update_request() to perform the bio completion in the lower driver's completion context, which is more efficient. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Jens Axboe --- block/blk-core.c | 57 +++++++++++++++++++++++++++++++++++------- include/linux/blkdev.h | 2 ++ 2 files changed, 50 insertions(+), 9 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 37fba001bdcf..527d43e982bb 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1806,6 +1806,22 @@ void end_request(struct request *req, int uptodate) } EXPORT_SYMBOL(end_request); +static int end_that_request_data(struct request *rq, int error, + unsigned int nr_bytes, unsigned int bidi_bytes) +{ + if (rq->bio) { + if (__end_that_request_first(rq, error, nr_bytes)) + return 1; + + /* Bidi request must be completed as a whole */ + if (blk_bidi_rq(rq) && + __end_that_request_first(rq->next_rq, error, bidi_bytes)) + return 1; + } + + return 0; +} + /** * blk_end_io - Generic end_io function to complete a request. * @rq: the request being processed @@ -1832,15 +1848,8 @@ static int blk_end_io(struct request *rq, int error, unsigned int nr_bytes, struct request_queue *q = rq->q; unsigned long flags = 0UL; - if (rq->bio) { - if (__end_that_request_first(rq, error, nr_bytes)) - return 1; - - /* Bidi request must be completed as a whole */ - if (blk_bidi_rq(rq) && - __end_that_request_first(rq->next_rq, error, bidi_bytes)) - return 1; - } + if (end_that_request_data(rq, error, nr_bytes, bidi_bytes)) + return 1; /* Special feature for tricky drivers */ if (drv_callback && drv_callback(rq)) @@ -1922,6 +1931,36 @@ int blk_end_bidi_request(struct request *rq, int error, unsigned int nr_bytes, } EXPORT_SYMBOL_GPL(blk_end_bidi_request); +/** + * blk_update_request - Special helper function for request stacking drivers + * @rq: the request being processed + * @error: %0 for success, < %0 for error + * @nr_bytes: number of bytes to complete @rq + * + * Description: + * Ends I/O on a number of bytes attached to @rq, but doesn't complete + * the request structure even if @rq doesn't have leftover. + * If @rq has leftover, sets it up for the next range of segments. + * + * This special helper function is only for request stacking drivers + * (e.g. request-based dm) so that they can handle partial completion. + * Actual device drivers should use blk_end_request instead. + */ +void blk_update_request(struct request *rq, int error, unsigned int nr_bytes) +{ + if (!end_that_request_data(rq, error, nr_bytes, 0)) { + /* + * These members are not updated in end_that_request_data() + * when all bios are completed. + * Update them so that the request stacking driver can find + * how many bytes remain in the request later. + */ + rq->nr_sectors = rq->hard_nr_sectors = 0; + rq->current_nr_sectors = rq->hard_cur_sectors = 0; + } +} +EXPORT_SYMBOL_GPL(blk_update_request); + /** * blk_end_request_callback - Special helper function for tricky drivers * @rq: the request being processed diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e23b838825bd..e82a84c9f37a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -791,6 +791,8 @@ extern void blk_complete_request(struct request *); extern void __blk_complete_request(struct request *); extern void blk_abort_request(struct request *); extern void blk_abort_queue(struct request_queue *); +extern void blk_update_request(struct request *rq, int error, + unsigned int nr_bytes); /* * blk_end_request() takes bytes instead of sectors as a complete size. -- GitLab From 82124d60354846623a4b94af335717a5e142a074 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Thu, 18 Sep 2008 10:45:38 -0400 Subject: [PATCH 3228/6244] block: add request submission interface This patch adds blk_insert_cloned_request(), a generic request submission interface for request stacking drivers. Request-based dm will use it to submit their clones to underlying devices. blk_rq_check_limits() is also added because it is possible that the lower queue has stronger limitations than the upper queue if multiple drivers are stacking at request-level. Not only for blk_insert_cloned_request()'s internal use, the function will be used by request-based dm when the queue limitation is modified (e.g. by replacing dm's table). Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Jens Axboe --- block/blk-core.c | 81 ++++++++++++++++++++++++++++++++++++++++++ include/linux/blkdev.h | 3 ++ 2 files changed, 84 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index 527d43e982bb..b8ffbfe85ca4 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1529,6 +1529,87 @@ void submit_bio(int rw, struct bio *bio) } EXPORT_SYMBOL(submit_bio); +/** + * blk_rq_check_limits - Helper function to check a request for the queue limit + * @q: the queue + * @rq: the request being checked + * + * Description: + * @rq may have been made based on weaker limitations of upper-level queues + * in request stacking drivers, and it may violate the limitation of @q. + * Since the block layer and the underlying device driver trust @rq + * after it is inserted to @q, it should be checked against @q before + * the insertion using this generic function. + * + * This function should also be useful for request stacking drivers + * in some cases below, so export this fuction. + * Request stacking drivers like request-based dm may change the queue + * limits while requests are in the queue (e.g. dm's table swapping). + * Such request stacking drivers should check those requests agaist + * the new queue limits again when they dispatch those requests, + * although such checkings are also done against the old queue limits + * when submitting requests. + */ +int blk_rq_check_limits(struct request_queue *q, struct request *rq) +{ + if (rq->nr_sectors > q->max_sectors || + rq->data_len > q->max_hw_sectors << 9) { + printk(KERN_ERR "%s: over max size limit.\n", __func__); + return -EIO; + } + + /* + * queue's settings related to segment counting like q->bounce_pfn + * may differ from that of other stacking queues. + * Recalculate it to check the request correctly on this queue's + * limitation. + */ + blk_recalc_rq_segments(rq); + if (rq->nr_phys_segments > q->max_phys_segments || + rq->nr_phys_segments > q->max_hw_segments) { + printk(KERN_ERR "%s: over max segments limit.\n", __func__); + return -EIO; + } + + return 0; +} +EXPORT_SYMBOL_GPL(blk_rq_check_limits); + +/** + * blk_insert_cloned_request - Helper for stacking drivers to submit a request + * @q: the queue to submit the request + * @rq: the request being queued + */ +int blk_insert_cloned_request(struct request_queue *q, struct request *rq) +{ + unsigned long flags; + + if (blk_rq_check_limits(q, rq)) + return -EIO; + +#ifdef CONFIG_FAIL_MAKE_REQUEST + if (rq->rq_disk && rq->rq_disk->part0.make_it_fail && + should_fail(&fail_make_request, blk_rq_bytes(rq))) + return -EIO; +#endif + + spin_lock_irqsave(q->queue_lock, flags); + + /* + * Submitting request must be dequeued before calling this function + * because it will be linked to another request_queue + */ + BUG_ON(blk_queued_rq(rq)); + + drive_stat_acct(rq, 1); + __elv_add_request(q, rq, ELEVATOR_INSERT_BACK, 0); + + spin_unlock_irqrestore(q->queue_lock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(blk_insert_cloned_request); + /** * __end_that_request_first - end I/O on a request * @req: the request being processed diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e82a84c9f37a..964c246bc271 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -693,6 +693,9 @@ extern void __blk_put_request(struct request_queue *, struct request *); extern struct request *blk_get_request(struct request_queue *, int, gfp_t); extern void blk_insert_request(struct request_queue *, struct request *, int, void *); extern void blk_requeue_request(struct request_queue *, struct request *); +extern int blk_rq_check_limits(struct request_queue *q, struct request *rq); +extern int blk_insert_cloned_request(struct request_queue *q, + struct request *rq); extern void blk_plug_device(struct request_queue *); extern void blk_plug_device_unlocked(struct request_queue *); extern int blk_remove_plug(struct request_queue *); -- GitLab From 4ee5eaf4516a60f8ef64d3c246c64c6be0cf8c3a Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Thu, 18 Sep 2008 10:46:13 -0400 Subject: [PATCH 3229/6244] block: add a queue flag for request stacking support This patch adds a queue flag to indicate the block device can be used for request stacking. Request stacking drivers need to stack their devices on top of only devices of which q->request_fn is functional. Since bio stacking drivers (e.g. md, loop) basically initialize their queue using blk_alloc_queue() and don't set q->request_fn, the check of (q->request_fn == NULL) looks enough for that purpose. However, dm will become both types of stacking driver (bio-based and request-based). And dm will always set q->request_fn even if the dm device is bio-based of which q->request_fn is not functional actually. So we need something else to distinguish the type of the device. Adding a queue flag is a solution for that. The reason why dm always sets q->request_fn is to keep the compatibility of dm user-space tools. Currently, all dm user-space tools are using bio-based dm without specifying the type of the dm device they use. To use request-based dm without changing such tools, the kernel must decide the type of the dm device automatically. The automatic type decision can't be done at the device creation time and needs to be deferred until such tools load a mapping table, since the actual type is decided by dm target type included in the mapping table. So a dm device has to be initialized using blk_init_queue() so that we can load either type of table. Then, all queue stuffs are set (e.g. q->request_fn) and we have no element to distinguish that it is bio-based or request-based, even after a table is loaded and the type of the device is decided. By the way, some stuffs of the queue (e.g. request_list, elevator) are needless when the dm device is used as bio-based. But the memory size is not so large (about 20[KB] per queue on ia64), so I hope the memory loss can be acceptable for bio-based dm users. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Jens Axboe --- block/blk-core.c | 3 ++- include/linux/blkdev.h | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/block/blk-core.c b/block/blk-core.c index b8ffbfe85ca4..fa212348c4c9 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -574,7 +574,8 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) q->request_fn = rfn; q->prep_rq_fn = NULL; q->unplug_fn = generic_unplug_device; - q->queue_flags = (1 << QUEUE_FLAG_CLUSTER); + q->queue_flags = (1 << QUEUE_FLAG_CLUSTER | + 1 << QUEUE_FLAG_STACKABLE); q->queue_lock = lock; blk_queue_segment_boundary(q, 0xffffffff); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 964c246bc271..86f77ef127f4 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -441,6 +441,7 @@ struct request_queue #define QUEUE_FLAG_NOMERGES 10 /* disable merge attempts */ #define QUEUE_FLAG_SAME_COMP 11 /* force complete on same CPU */ #define QUEUE_FLAG_FAIL_IO 12 /* fake timeout */ +#define QUEUE_FLAG_STACKABLE 13 /* supports request stacking */ static inline int queue_is_locked(struct request_queue *q) { @@ -547,6 +548,8 @@ enum { #define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) #define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) #define blk_queue_flushing(q) ((q)->ordseq) +#define blk_queue_stackable(q) \ + test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags) #define blk_fs_request(rq) ((rq)->cmd_type == REQ_TYPE_FS) #define blk_pc_request(rq) ((rq)->cmd_type == REQ_TYPE_BLOCK_PC) -- GitLab From 79eb014578b79fcfb9d9e7dc979d1316079220aa Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Thu, 18 Sep 2008 09:35:28 -0700 Subject: [PATCH 3230/6244] fix an example of scatterlists handling in DMA-API.txt This example isn't the proper way to handle scatterlists (can't handle sg chaining). Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Axboe --- Documentation/DMA-API.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index d8b63d164e41..b8e86460046e 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -337,7 +337,7 @@ With scatterlists, you use the resulting mapping like this: int i, count = dma_map_sg(dev, sglist, nents, direction); struct scatterlist *sg; - for (i = 0, sg = sglist; i < count; i++, sg++) { + for_each_sg(sglist, sg, count, i) { hw_address[i] = sg_dma_address(sg); hw_len[i] = sg_dma_len(sg); } -- GitLab From 905bd78f2188da69e74966918e3d71df3dff382b Mon Sep 17 00:00:00 2001 From: "scameron@beardog.cca.cpqcorp.net" Date: Fri, 19 Sep 2008 18:27:47 -0700 Subject: [PATCH 3231/6244] cciss: Fix cciss SCSI rescan code to better notice device changes Fix cciss SCSI rescan code to better notice device changes. If you hot-unplug a tape drive, then hot-plug a different tape drive into the same slot in a storage enclosure, the cciss driver wouldn't notice anything had changed, as it was only looking at the LUN address and device type. Now it looks at the inquiry page 0x83 device identifier, and vendor and model strings as well. Signed-off-by: Stephen M. Cameron Signed-off-by: Jens Axboe --- drivers/block/cciss_scsi.c | 151 ++++++++++++++++++++++++------------- drivers/block/cciss_scsi.h | 4 + 2 files changed, 102 insertions(+), 53 deletions(-) diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index e1233aabda77..a3fd87b41444 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -365,7 +365,7 @@ struct scsi2map { static int cciss_scsi_add_entry(int ctlr, int hostno, - unsigned char *scsi3addr, int devtype, + struct cciss_scsi_dev_t *device, struct scsi2map *added, int *nadded) { /* assumes hba[ctlr]->scsi_ctlr->lock is held */ @@ -384,12 +384,12 @@ cciss_scsi_add_entry(int ctlr, int hostno, lun = 0; /* Is this device a non-zero lun of a multi-lun device */ /* byte 4 of the 8-byte LUN addr will contain the logical unit no. */ - if (scsi3addr[4] != 0) { + if (device->scsi3addr[4] != 0) { /* Search through our list and find the device which */ /* has the same 8 byte LUN address, excepting byte 4. */ /* Assign the same bus and target for this new LUN. */ /* Use the logical unit number from the firmware. */ - memcpy(addr1, scsi3addr, 8); + memcpy(addr1, device->scsi3addr, 8); addr1[4] = 0; for (i = 0; i < n; i++) { sd = &ccissscsi[ctlr].dev[i]; @@ -399,7 +399,7 @@ cciss_scsi_add_entry(int ctlr, int hostno, if (memcmp(addr1, addr2, 8) == 0) { bus = sd->bus; target = sd->target; - lun = scsi3addr[4]; + lun = device->scsi3addr[4]; break; } } @@ -420,8 +420,12 @@ cciss_scsi_add_entry(int ctlr, int hostno, added[*nadded].lun = sd->lun; (*nadded)++; - memcpy(&sd->scsi3addr[0], scsi3addr, 8); - sd->devtype = devtype; + memcpy(sd->scsi3addr, device->scsi3addr, 8); + memcpy(sd->vendor, device->vendor, sizeof(sd->vendor)); + memcpy(sd->revision, device->revision, sizeof(sd->revision)); + memcpy(sd->device_id, device->device_id, sizeof(sd->device_id)); + sd->devtype = device->devtype; + ccissscsi[ctlr].ndevices++; /* initially, (before registering with scsi layer) we don't @@ -487,6 +491,22 @@ static void fixup_botched_add(int ctlr, char *scsi3addr) CPQ_TAPE_UNLOCK(ctlr, flags); } +static int device_is_the_same(struct cciss_scsi_dev_t *dev1, + struct cciss_scsi_dev_t *dev2) +{ + return dev1->devtype == dev2->devtype && + memcmp(dev1->scsi3addr, dev2->scsi3addr, + sizeof(dev1->scsi3addr)) == 0 && + memcmp(dev1->device_id, dev2->device_id, + sizeof(dev1->device_id)) == 0 && + memcmp(dev1->vendor, dev2->vendor, + sizeof(dev1->vendor)) == 0 && + memcmp(dev1->model, dev2->model, + sizeof(dev1->model)) == 0 && + memcmp(dev1->revision, dev2->revision, + sizeof(dev1->revision)) == 0; +} + static int adjust_cciss_scsi_table(int ctlr, int hostno, struct cciss_scsi_dev_t sd[], int nsds) @@ -532,7 +552,7 @@ adjust_cciss_scsi_table(int ctlr, int hostno, for (j=0;jscsi3addr)) { - if (sd[j].devtype == csd->devtype) + if (device_is_the_same(&sd[j], csd)) found=2; else found=1; @@ -548,22 +568,26 @@ adjust_cciss_scsi_table(int ctlr, int hostno, cciss_scsi_remove_entry(ctlr, hostno, i, removed, &nremoved); /* remove ^^^, hence i not incremented */ - } - else if (found == 1) { /* device is different kind */ + } else if (found == 1) { /* device is different in some way */ changes++; - printk("cciss%d: device c%db%dt%dl%d type changed " - "(device type now %s).\n", - ctlr, hostno, csd->bus, csd->target, csd->lun, - scsi_device_type(csd->devtype)); + printk("cciss%d: device c%db%dt%dl%d has changed.\n", + ctlr, hostno, csd->bus, csd->target, csd->lun); cciss_scsi_remove_entry(ctlr, hostno, i, removed, &nremoved); /* remove ^^^, hence i not incremented */ - if (cciss_scsi_add_entry(ctlr, hostno, - &sd[j].scsi3addr[0], sd[j].devtype, + if (cciss_scsi_add_entry(ctlr, hostno, &sd[j], added, &nadded) != 0) /* we just removed one, so add can't fail. */ BUG(); csd->devtype = sd[j].devtype; + memcpy(csd->device_id, sd[j].device_id, + sizeof(csd->device_id)); + memcpy(csd->vendor, sd[j].vendor, + sizeof(csd->vendor)); + memcpy(csd->model, sd[j].model, + sizeof(csd->model)); + memcpy(csd->revision, sd[j].revision, + sizeof(csd->revision)); } else /* device is same as it ever was, */ i++; /* so just move along. */ } @@ -577,7 +601,7 @@ adjust_cciss_scsi_table(int ctlr, int hostno, csd = &ccissscsi[ctlr].dev[j]; if (SCSI3ADDR_EQ(sd[i].scsi3addr, csd->scsi3addr)) { - if (sd[i].devtype == csd->devtype) + if (device_is_the_same(&sd[i], csd)) found=2; /* found device */ else found=1; /* found a bug. */ @@ -586,16 +610,14 @@ adjust_cciss_scsi_table(int ctlr, int hostno, } if (!found) { changes++; - if (cciss_scsi_add_entry(ctlr, hostno, - - &sd[i].scsi3addr[0], sd[i].devtype, + if (cciss_scsi_add_entry(ctlr, hostno, &sd[i], added, &nadded) != 0) break; } else if (found == 1) { /* should never happen... */ changes++; - printk("cciss%d: device unexpectedly changed type\n", - ctlr); + printk(KERN_WARNING "cciss%d: device " + "unexpectedly changed\n", ctlr); /* but if it does happen, we just ignore that device */ } } @@ -1012,7 +1034,8 @@ cciss_scsi_interpret_error(CommandList_struct *cp) static int cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr, - unsigned char *buf, unsigned char bufsize) + unsigned char page, unsigned char *buf, + unsigned char bufsize) { int rc; CommandList_struct *cp; @@ -1032,8 +1055,8 @@ cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr, ei = cp->err_info; cdb[0] = CISS_INQUIRY; - cdb[1] = 0; - cdb[2] = 0; + cdb[1] = (page != 0); + cdb[2] = page; cdb[3] = 0; cdb[4] = bufsize; cdb[5] = 0; @@ -1053,6 +1076,25 @@ cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr, return rc; } +/* Get the device id from inquiry page 0x83 */ +static int cciss_scsi_get_device_id(ctlr_info_t *c, unsigned char *scsi3addr, + unsigned char *device_id, int buflen) +{ + int rc; + unsigned char *buf; + + if (buflen > 16) + buflen = 16; + buf = kzalloc(64, GFP_KERNEL); + if (!buf) + return -1; + rc = cciss_scsi_do_inquiry(c, scsi3addr, 0x83, buf, 64); + if (rc == 0) + memcpy(device_id, &buf[8], buflen); + kfree(buf); + return rc != 0; +} + static int cciss_scsi_do_report_phys_luns(ctlr_info_t *c, ReportLunData_struct *buf, int bufsize) @@ -1142,25 +1184,21 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) ctlr_info_t *c; __u32 num_luns=0; unsigned char *ch; - /* unsigned char found[CCISS_MAX_SCSI_DEVS_PER_HBA]; */ - struct cciss_scsi_dev_t currentsd[CCISS_MAX_SCSI_DEVS_PER_HBA]; + struct cciss_scsi_dev_t *currentsd, *this_device; int ncurrent=0; int reportlunsize = sizeof(*ld_buff) + CISS_MAX_PHYS_LUN * 8; int i; c = (ctlr_info_t *) hba[cntl_num]; ld_buff = kzalloc(reportlunsize, GFP_KERNEL); - if (ld_buff == NULL) { - printk(KERN_ERR "cciss: out of memory\n"); - return; - } inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); - if (inq_buff == NULL) { - printk(KERN_ERR "cciss: out of memory\n"); - kfree(ld_buff); - return; + currentsd = kzalloc(sizeof(*currentsd) * + (CCISS_MAX_SCSI_DEVS_PER_HBA+1), GFP_KERNEL); + if (ld_buff == NULL || inq_buff == NULL || currentsd == NULL) { + printk(KERN_ERR "cciss: out of memory\n"); + goto out; } - + this_device = ¤tsd[CCISS_MAX_SCSI_DEVS_PER_HBA]; if (cciss_scsi_do_report_phys_luns(c, ld_buff, reportlunsize) == 0) { ch = &ld_buff->LUNListLength[0]; num_luns = ((ch[0]<<24) | (ch[1]<<16) | (ch[2]<<8) | ch[3]) / 8; @@ -1179,23 +1217,34 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) /* adjust our table of devices */ - for(i=0; iLUN[i][3] & 0xC0) continue; memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE); memcpy(&scsi3addr[0], &ld_buff->LUN[i][0], 8); - if (cciss_scsi_do_inquiry(hba[cntl_num], scsi3addr, inq_buff, - (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) { + if (cciss_scsi_do_inquiry(hba[cntl_num], scsi3addr, 0, inq_buff, + (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) /* Inquiry failed (msg printed already) */ - devtype = 0; /* so we will skip this device. */ - } else /* what kind of device is this? */ - devtype = (inq_buff[0] & 0x1f); - - switch (devtype) + continue; /* so we will skip this device. */ + + this_device->devtype = (inq_buff[0] & 0x1f); + this_device->bus = -1; + this_device->target = -1; + this_device->lun = -1; + memcpy(this_device->scsi3addr, scsi3addr, 8); + memcpy(this_device->vendor, &inq_buff[8], + sizeof(this_device->vendor)); + memcpy(this_device->model, &inq_buff[16], + sizeof(this_device->model)); + memcpy(this_device->revision, &inq_buff[32], + sizeof(this_device->revision)); + memset(this_device->device_id, 0, + sizeof(this_device->device_id)); + cciss_scsi_get_device_id(hba[cntl_num], scsi3addr, + this_device->device_id, sizeof(this_device->device_id)); + + switch (this_device->devtype) { case 0x05: /* CD-ROM */ { @@ -1220,15 +1269,10 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) { printk(KERN_INFO "cciss%d: %s ignored, " "too many devices.\n", cntl_num, - scsi_device_type(devtype)); + scsi_device_type(this_device->devtype)); break; } - memcpy(¤tsd[ncurrent].scsi3addr[0], - &scsi3addr[0], 8); - currentsd[ncurrent].devtype = devtype; - currentsd[ncurrent].bus = -1; - currentsd[ncurrent].target = -1; - currentsd[ncurrent].lun = -1; + currentsd[ncurrent] = *this_device; ncurrent++; break; default: @@ -1240,6 +1284,7 @@ cciss_update_non_disk_devices(int cntl_num, int hostno) out: kfree(inq_buff); kfree(ld_buff); + kfree(currentsd); return; } diff --git a/drivers/block/cciss_scsi.h b/drivers/block/cciss_scsi.h index d9c2c586502f..7b750245ae76 100644 --- a/drivers/block/cciss_scsi.h +++ b/drivers/block/cciss_scsi.h @@ -66,6 +66,10 @@ struct cciss_scsi_dev_t { int devtype; int bus, target, lun; /* as presented to the OS */ unsigned char scsi3addr[8]; /* as presented to the HW */ + unsigned char device_id[16]; /* from inquiry pg. 0x83 */ + unsigned char vendor[8]; /* bytes 8-15 of inquiry data */ + unsigned char model[16]; /* bytes 16-31 of inquiry data */ + unsigned char revision[4]; /* bytes 32-35 of inquiry data */ }; struct cciss_scsi_hba_t { -- GitLab From 061837bc8687edc2739ef02f721b7ae0b8076390 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 22 Sep 2008 14:57:16 -0700 Subject: [PATCH 3232/6244] drivers/block: Use DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. An extract of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @haskernel@ @@ #include @depends on haskernel@ expression n,d; @@ ( - (n + d - 1) / d + DIV_ROUND_UP(n,d) | - (n + (d - 1)) / d + DIV_ROUND_UP(n,d) ) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP((n),d) + DIV_ROUND_UP(n,d) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP(n,(d)) + DIV_ROUND_UP(n,d) // Signed-off-by: Julia Lawall Cc: Signed-off-by: Andrew Morton Signed-off-by: Jens Axboe --- drivers/block/cciss.c | 8 ++++---- drivers/block/cpqarray.c | 2 +- drivers/block/floppy.c | 8 ++++---- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b73116ef9236..1e1f9153000c 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -3460,8 +3460,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not"); hba[i]->cmd_pool_bits = - kmalloc(((hba[i]->nr_cmds + BITS_PER_LONG - - 1) / BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL); + kmalloc(DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + * sizeof(unsigned long), GFP_KERNEL); hba[i]->cmd_pool = (CommandList_struct *) pci_alloc_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct), @@ -3493,8 +3493,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, /* command and error info recs zeroed out before they are used */ memset(hba[i]->cmd_pool_bits, 0, - ((hba[i]->nr_cmds + BITS_PER_LONG - - 1) / BITS_PER_LONG) * sizeof(unsigned long)); + DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + * sizeof(unsigned long)); hba[i]->num_luns = 0; hba[i]->highest_lun = -1; diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index 09c14341e6e3..3d967525e9a9 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -424,7 +424,7 @@ static int __init cpqarray_register_ctlr( int i, struct pci_dev *pdev) hba[i]->pci_dev, NR_CMDS * sizeof(cmdlist_t), &(hba[i]->cmd_pool_dhandle)); hba[i]->cmd_pool_bits = kcalloc( - (NR_CMDS+BITS_PER_LONG-1)/BITS_PER_LONG, sizeof(unsigned long), + DIV_ROUND_UP(NR_CMDS, BITS_PER_LONG), sizeof(unsigned long), GFP_KERNEL); if (!hba[i]->cmd_pool_bits || !hba[i]->cmd_pool) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 395f8ea7981c..9c0b494f5e87 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1355,20 +1355,20 @@ static void fdc_specify(void) } /* Convert step rate from microseconds to milliseconds and 4 bits */ - srt = 16 - (DP->srt * scale_dtr / 1000 + NOMINAL_DTR - 1) / NOMINAL_DTR; + srt = 16 - DIV_ROUND_UP(DP->srt * scale_dtr / 1000, NOMINAL_DTR); if (slow_floppy) { srt = srt / 4; } SUPBOUND(srt, 0xf); INFBOUND(srt, 0); - hlt = (DP->hlt * scale_dtr / 2 + NOMINAL_DTR - 1) / NOMINAL_DTR; + hlt = DIV_ROUND_UP(DP->hlt * scale_dtr / 2, NOMINAL_DTR); if (hlt < 0x01) hlt = 0x01; else if (hlt > 0x7f) hlt = hlt_max_code; - hut = (DP->hut * scale_dtr / 16 + NOMINAL_DTR - 1) / NOMINAL_DTR; + hut = DIV_ROUND_UP(DP->hut * scale_dtr / 16, NOMINAL_DTR); if (hut < 0x1) hut = 0x1; else if (hut > 0xf) @@ -2385,7 +2385,7 @@ static void rw_interrupt(void) #ifdef FLOPPY_SANITY_CHECK if (nr_sectors / ssize > - (in_sector_offset + current_count_sectors + ssize - 1) / ssize) { + DIV_ROUND_UP(in_sector_offset + current_count_sectors, ssize)) { DPRINT("long rw: %x instead of %lx\n", nr_sectors, current_count_sectors); printk("rs=%d s=%d\n", R_SECTOR, SECTOR); -- GitLab From 9e49184c82e9ec3ab4d45f9ea5a17ccaf43869f0 Mon Sep 17 00:00:00 2001 From: Keith Wansbrough Date: Mon, 22 Sep 2008 14:57:17 -0700 Subject: [PATCH 3233/6244] floppy: support arbitrary first-sector numbers The current floppy_struct allows floppies to number sectors starting from 0 or 1. This patch allows arbitrary first-sector numbers - for example, 0xC1 for Amstrad CPC disks. This extends the existing 1-bit field (FD_ZEROBASED, bit 2 of stretch) to 8 bits (FD_SECTMASK, bits 2 to 9). Currently 0x00 denotes a first sector number of 1, and 0x01 denotes a first sector number of 0. We extend this by interpreting FD_SECTMASK as the first sector number with the LSB flipped. Signed-off-by: Keith Wansbrough Cc: Alain Knaff Cc: Michael Kerrisk Cc: Karel Zak Signed-off-by: Andrew Morton Signed-off-by: Jens Axboe --- drivers/block/floppy.c | 23 +++++++++++++++-------- include/linux/fd.h | 8 +++++++- 2 files changed, 22 insertions(+), 9 deletions(-) diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9c0b494f5e87..cf64ddf5d839 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -423,8 +423,15 @@ static struct floppy_raw_cmd *raw_cmd, default_raw_cmd; * 1581's logical side 0 is on physical side 1, whereas the Sharp's logical * side 0 is on physical side 0 (but with the misnamed sector IDs). * 'stretch' should probably be renamed to something more general, like - * 'options'. Other parameters should be self-explanatory (see also - * setfdprm(8)). + * 'options'. + * + * Bits 2 through 9 of 'stretch' tell the number of the first sector. + * The LSB (bit 2) is flipped. For most disks, the first sector + * is 1 (represented by 0x00<<2). For some CP/M and music sampler + * disks (such as Ensoniq EPS 16plus) it is 0 (represented as 0x01<<2). + * For Amstrad CPC disks it is 0xC1 (represented as 0xC0<<2). + * + * Other parameters should be self-explanatory (see also setfdprm(8)). */ /* Size @@ -2236,9 +2243,9 @@ static void setup_format_params(int track) } } } - if (_floppy->stretch & FD_ZEROBASED) { + if (_floppy->stretch & FD_SECTBASEMASK) { for (count = 0; count < F_SECT_PER_TRACK; count++) - here[count].sect--; + here[count].sect += FD_SECTBASE(_floppy) - 1; } } @@ -2649,7 +2656,7 @@ static int make_raw_rw_request(void) } HEAD = fsector_t / _floppy->sect; - if (((_floppy->stretch & (FD_SWAPSIDES | FD_ZEROBASED)) || + if (((_floppy->stretch & (FD_SWAPSIDES | FD_SECTBASEMASK)) || TESTF(FD_NEED_TWADDLE)) && fsector_t < _floppy->sect) max_sector = _floppy->sect; @@ -2679,7 +2686,7 @@ static int make_raw_rw_request(void) CODE2SIZE; SECT_PER_TRACK = _floppy->sect << 2 >> SIZECODE; SECTOR = ((fsector_t % _floppy->sect) << 2 >> SIZECODE) + - ((_floppy->stretch & FD_ZEROBASED) ? 0 : 1); + FD_SECTBASE(_floppy); /* tracksize describes the size which can be filled up with sectors * of size ssize. @@ -3311,7 +3318,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, g->head <= 0 || g->track <= 0 || g->track > UDP->tracks >> STRETCH(g) || /* check if reserved bits are set */ - (g->stretch & ~(FD_STRETCH | FD_SWAPSIDES | FD_ZEROBASED)) != 0) + (g->stretch & ~(FD_STRETCH | FD_SWAPSIDES | FD_SECTBASEMASK)) != 0) return -EINVAL; if (type) { if (!capable(CAP_SYS_ADMIN)) @@ -3356,7 +3363,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, if (DRS->maxblock > user_params[drive].sect || DRS->maxtrack || ((user_params[drive].sect ^ oldStretch) & - (FD_SWAPSIDES | FD_ZEROBASED))) + (FD_SWAPSIDES | FD_SECTBASEMASK))) invalidate_drive(bdev); else process_fd_request(); diff --git a/include/linux/fd.h b/include/linux/fd.h index b6bd41d2b460..f5d194af07a8 100644 --- a/include/linux/fd.h +++ b/include/linux/fd.h @@ -15,10 +15,16 @@ struct floppy_struct { sect, /* sectors per track */ head, /* nr of heads */ track, /* nr of tracks */ - stretch; /* !=0 means double track steps */ + stretch; /* bit 0 !=0 means double track steps */ + /* bit 1 != 0 means swap sides */ + /* bits 2..9 give the first sector */ + /* number (the LSB is flipped) */ #define FD_STRETCH 1 #define FD_SWAPSIDES 2 #define FD_ZEROBASED 4 +#define FD_SECTBASEMASK 0x3FC +#define FD_MKSECTBASE(s) (((s) ^ 1) << 2) +#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) unsigned char gap, /* gap1 size */ -- GitLab From a68bbddba486020c9c74825ce90c4c1ec463e0e8 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 24 Sep 2008 13:03:33 +0200 Subject: [PATCH 3234/6244] block: add queue flag for SSD/non-rotational devices We don't want to idle in AS/CFQ if the device doesn't have a seek penalty. So add a QUEUE_FLAG_NONROT to indicate a non-rotational device, low level drivers should set this flag upon discovery of an SSD or similar device type. Signed-off-by: Jens Axboe --- block/as-iosched.c | 6 ++++++ block/cfq-iosched.c | 6 ++++++ include/linux/blkdev.h | 2 ++ 3 files changed, 14 insertions(+) diff --git a/block/as-iosched.c b/block/as-iosched.c index 80af9257e64a..4c6fafbba933 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -745,6 +745,12 @@ static int as_can_break_anticipation(struct as_data *ad, struct request *rq) */ static int as_can_anticipate(struct as_data *ad, struct request *rq) { + /* + * SSD device without seek penalty, disable idling + */ + if (blk_queue_nonrot(ad->q)) + return 0; + if (!ad->io_context) /* * Last request submitted was a write diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 494b6fdcb183..03a5953bb5df 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -878,6 +878,12 @@ static void cfq_arm_slice_timer(struct cfq_data *cfqd) struct cfq_io_context *cic; unsigned long sl; + /* + * SSD device without seek penalty, disable idling + */ + if (blk_queue_nonrot(cfqd->queue)) + return; + WARN_ON(!RB_EMPTY_ROOT(&cfqq->sort_list)); WARN_ON(cfq_cfqq_slice_new(cfqq)); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 86f77ef127f4..0cf3e619fb21 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -442,6 +442,7 @@ struct request_queue #define QUEUE_FLAG_SAME_COMP 11 /* force complete on same CPU */ #define QUEUE_FLAG_FAIL_IO 12 /* fake timeout */ #define QUEUE_FLAG_STACKABLE 13 /* supports request stacking */ +#define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */ static inline int queue_is_locked(struct request_queue *q) { @@ -547,6 +548,7 @@ enum { #define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags) #define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) #define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) +#define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags) #define blk_queue_flushing(q) ((q)->ordseq) #define blk_queue_stackable(q) \ test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags) -- GitLab From 8bff7c6b0f63c7ee9c5e3a076338d74125b8debb Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 24 Sep 2008 13:05:10 +0200 Subject: [PATCH 3235/6244] libata: set queue SSD flag for SSD devices SSD devices should give an RPM setting of 1 in word 217 of the ID page. If we see such a device, tell the block layer about it. Signed-off-by: Jens Axboe --- drivers/ata/libata-scsi.c | 4 ++++ include/linux/ata.h | 6 ++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index b9d3ba423cb2..054370700abf 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -977,6 +977,10 @@ static int ata_scsi_dev_config(struct scsi_device *sdev, blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN); } else { + if (ata_id_is_ssd(dev->id)) + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, + sdev->request_queue); + /* ATA devices must be sector aligned */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_SECT_SIZE - 1); diff --git a/include/linux/ata.h b/include/linux/ata.h index 8a12d718c169..c1c8b4a4ba26 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -88,6 +88,7 @@ enum { ATA_ID_DLF = 128, ATA_ID_CSFO = 129, ATA_ID_CFA_POWER = 160, + ATA_ID_ROT_SPEED = 217, ATA_ID_PIO4 = (1 << 1), ATA_ID_SERNO_LEN = 20, @@ -691,6 +692,11 @@ static inline int ata_id_is_cfa(const u16 *id) return 0; } +static inline int ata_id_is_ssd(const u16 *id) +{ + return id[ATA_ID_ROT_SPEED] == 0x01; +} + static inline int ata_drive_40wire(const u16 *dev_id) { if (ata_id_is_sata(dev_id)) -- GitLab From f7d7b7a7a3db6526a84ea755c1c54a051e9a52de Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 25 Sep 2008 11:37:50 +0200 Subject: [PATCH 3236/6244] block: as/cfq ssd idle check update We really need to know about the hardware tagging support as well, since if the SSD does not do tagging then we still want to idle. Otherwise have the same dependent sync IO vs flooding async IO problem as on rotational media. Signed-off-by: Jens Axboe --- block/as-iosched.c | 4 +++- block/cfq-iosched.c | 6 ++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/block/as-iosched.c b/block/as-iosched.c index 4c6fafbba933..71f0abb219ee 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -745,11 +745,13 @@ static int as_can_break_anticipation(struct as_data *ad, struct request *rq) */ static int as_can_anticipate(struct as_data *ad, struct request *rq) { +#if 0 /* disable for now, we need to check tag level as well */ /* * SSD device without seek penalty, disable idling */ - if (blk_queue_nonrot(ad->q)) + if (blk_queue_nonrot(ad->q)) axman return 0; +#endif if (!ad->io_context) /* diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 03a5953bb5df..6a062eebbd15 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -879,9 +879,11 @@ static void cfq_arm_slice_timer(struct cfq_data *cfqd) unsigned long sl; /* - * SSD device without seek penalty, disable idling + * SSD device without seek penalty, disable idling. But only do so + * for devices that support queuing, otherwise we still have a problem + * with sync vs async workloads. */ - if (blk_queue_nonrot(cfqd->queue)) + if (blk_queue_nonrot(cfqd->queue) && cfqd->hw_tag) return; WARN_ON(!RB_EMPTY_ROOT(&cfqq->sort_list)); -- GitLab From e3ba9ae58a5599226e3976b29c8093041ae7c332 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 25 Sep 2008 11:42:41 +0200 Subject: [PATCH 3237/6244] block: reserve some tags just for sync IO By only allowing async IO to consume 3/4 ths of the tag depth, we always have slots free to serve sync IO. This is important to avoid having writes fill the entire tag queue, thus starving reads. Original patch and idea from Linus Torvalds Signed-off-by: Jens Axboe --- block/blk-tag.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/block/blk-tag.c b/block/blk-tag.c index 8a99688eb1b1..c0d419e84ce7 100644 --- a/block/blk-tag.c +++ b/block/blk-tag.c @@ -337,6 +337,7 @@ EXPORT_SYMBOL(blk_queue_end_tag); int blk_queue_start_tag(struct request_queue *q, struct request *rq) { struct blk_queue_tag *bqt = q->queue_tags; + unsigned max_depth, offset; int tag; if (unlikely((rq->cmd_flags & REQ_QUEUED))) { @@ -350,10 +351,19 @@ int blk_queue_start_tag(struct request_queue *q, struct request *rq) /* * Protect against shared tag maps, as we may not have exclusive * access to the tag map. + * + * We reserve a few tags just for sync IO, since we don't want + * to starve sync IO on behalf of flooding async IO. */ + max_depth = bqt->max_depth; + if (rq_is_sync(rq)) + offset = 0; + else + offset = max_depth >> 2; + do { - tag = find_first_zero_bit(bqt->tag_map, bqt->max_depth); - if (tag >= bqt->max_depth) + tag = find_next_zero_bit(bqt->tag_map, max_depth, offset); + if (tag >= max_depth) return 1; } while (test_and_set_bit_lock(tag, bqt->tag_map)); -- GitLab From c0ddffa84a7d12da9943a94d04dadbfb1883b904 Mon Sep 17 00:00:00 2001 From: Sven Schuetz Date: Fri, 26 Sep 2008 10:58:02 +0200 Subject: [PATCH 3238/6244] include blktrace_api.h in headers_install This header file is of interest for user space programming, i.e. for tools that process blktrace data. We would like to use it for a tool on-top of blktrace which processes data provided by blktrace. For this purpose, it would be helpful if the blktrace API would make it to /usr/include/linux. The git tree for the blktrace tools comes with its own copy of this header file. I didn't manage to replace that copy with the file generated by the patch below yet. A few more cleanups would be needed. For example, the blktrace ioctl numbers, which are currently defined in usr/include/fs.h, might need to be moved. Should be feasible, though. Signed-off-by: Sven Schuetz Signed-off-by: Martin Peschke Signed-off-by: Jens Axboe --- include/linux/Kbuild | 1 + include/linux/blktrace_api.h | 58 ++++++++++++++++++++---------------- 2 files changed, 33 insertions(+), 26 deletions(-) diff --git a/include/linux/Kbuild b/include/linux/Kbuild index b68ec09399be..31474e89c59a 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -180,6 +180,7 @@ unifdef-y += audit.h unifdef-y += auto_fs.h unifdef-y += auxvec.h unifdef-y += binfmts.h +unifdef-y += blktrace_api.h unifdef-y += capability.h unifdef-y += capi.h unifdef-y += cciss_ioctl.h diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index dcaf2452ed1f..a2a7d0ca2758 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -1,8 +1,10 @@ #ifndef BLKTRACE_H #define BLKTRACE_H +#ifdef __KERNEL__ #include #include +#endif /* * Trace categories @@ -92,17 +94,17 @@ enum blktrace_notify { * The trace itself */ struct blk_io_trace { - u32 magic; /* MAGIC << 8 | version */ - u32 sequence; /* event number */ - u64 time; /* in microseconds */ - u64 sector; /* disk offset */ - u32 bytes; /* transfer length */ - u32 action; /* what happened */ - u32 pid; /* who did it */ - u32 device; /* device number */ - u32 cpu; /* on what cpu did it happen */ - u16 error; /* completion error */ - u16 pdu_len; /* length of data after this trace */ + __u32 magic; /* MAGIC << 8 | version */ + __u32 sequence; /* event number */ + __u64 time; /* in microseconds */ + __u64 sector; /* disk offset */ + __u32 bytes; /* transfer length */ + __u32 action; /* what happened */ + __u32 pid; /* who did it */ + __u32 device; /* device number */ + __u32 cpu; /* on what cpu did it happen */ + __u16 error; /* completion error */ + __u16 pdu_len; /* length of data after this trace */ }; /* @@ -120,6 +122,25 @@ enum { Blktrace_stopped, }; +/* + * User setup structure passed with BLKTRACESTART + */ +struct blk_user_trace_setup { +#ifdef __KERNEL__ + char name[BDEVNAME_SIZE]; /* output */ +#else + char name[32]; /* output */ +#endif + __u16 act_mask; /* input */ + __u32 buf_size; /* input */ + __u32 buf_nr; /* input */ + __u64 start_lba; + __u64 end_lba; + __u32 pid; +}; + +#ifdef __KERNEL__ +#if defined(CONFIG_BLK_DEV_IO_TRACE) struct blk_trace { int trace_state; struct rchan *rchan; @@ -136,21 +157,6 @@ struct blk_trace { atomic_t dropped; }; -/* - * User setup structure passed with BLKTRACESTART - */ -struct blk_user_trace_setup { - char name[BDEVNAME_SIZE]; /* output */ - u16 act_mask; /* input */ - u32 buf_size; /* input */ - u32 buf_nr; /* input */ - u64 start_lba; - u64 end_lba; - u32 pid; -}; - -#ifdef __KERNEL__ -#if defined(CONFIG_BLK_DEV_IO_TRACE) extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); extern void blk_trace_shutdown(struct request_queue *); extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *); -- GitLab From 336c3d8ce771608815b65bcfa27a17a83b297328 Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Wed, 1 Oct 2008 16:02:33 +0200 Subject: [PATCH 3239/6244] block: Fix blk_start_queueing() to not kick a stopped queue blk_start_queueing() should act like the generic queue unplugging and kicking and ignore a stopped queue. Such a queue may not be run until after a call to blk_start_queue(). Signed-off-by: Elias Oltmanns Signed-off-by: Jens Axboe --- block/blk-core.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index fa212348c4c9..c66333d8e48d 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -890,9 +890,11 @@ EXPORT_SYMBOL(blk_get_request); */ void blk_start_queueing(struct request_queue *q) { - if (!blk_queue_plugged(q)) + if (!blk_queue_plugged(q)) { + if (unlikely(blk_queue_stopped(q))) + return; q->request_fn(q); - else + } else __generic_unplug_device(q); } EXPORT_SYMBOL(blk_start_queueing); -- GitLab From ef9e3facdf1fe1228721a7c295a76d1b7a0e57ec Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 16:12:15 +0200 Subject: [PATCH 3240/6244] block: add lld busy state exporting interface This patch adds an new interface, blk_lld_busy(), to check lld's busy state from the block layer. blk_lld_busy() calls down into low-level drivers for the checking if the drivers set q->lld_busy_fn() using blk_queue_lld_busy(). This resolves a performance problem on request stacking devices below. Some drivers like scsi mid layer stop dispatching request when they detect busy state on its low-level device like host/target/device. It allows other requests to stay in the I/O scheduler's queue for a chance of merging. Request stacking drivers like request-based dm should follow the same logic. However, there is no generic interface for the stacked device to check if the underlying device(s) are busy. If the request stacking driver dispatches and submits requests to the busy underlying device, the requests will stay in the underlying device's queue without a chance of merging. This causes performance problem on burst I/O load. With this patch, busy state of the underlying device is exported via q->lld_busy_fn(). So the request stacking driver can check it and stop dispatching requests if busy. The underlying device driver must return the busy state appropriately: 1: when the device driver can't process requests immediately. 0: when the device driver can process requests immediately, including abnormal situations where the device driver needs to kill all requests. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Cc: Andrew Morton Signed-off-by: Jens Axboe --- block/blk-core.c | 28 ++++++++++++++++++++++++++++ block/blk-settings.c | 6 ++++++ include/linux/blkdev.h | 4 ++++ 3 files changed, 38 insertions(+) diff --git a/block/blk-core.c b/block/blk-core.c index c66333d8e48d..b2d0ac8b760e 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2100,6 +2100,34 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, rq->rq_disk = bio->bi_bdev->bd_disk; } +/** + * blk_lld_busy - Check if underlying low-level drivers of a device are busy + * @q : the queue of the device being checked + * + * Description: + * Check if underlying low-level drivers of a device are busy. + * If the drivers want to export their busy state, they must set own + * exporting function using blk_queue_lld_busy() first. + * + * Basically, this function is used only by request stacking drivers + * to stop dispatching requests to underlying devices when underlying + * devices are busy. This behavior helps more I/O merging on the queue + * of the request stacking driver and prevents I/O throughput regression + * on burst I/O load. + * + * Return: + * 0 - Not busy (The request stacking driver should dispatch request) + * 1 - Busy (The request stacking driver should stop dispatching request) + */ +int blk_lld_busy(struct request_queue *q) +{ + if (q->lld_busy_fn) + return q->lld_busy_fn(q); + + return 0; +} +EXPORT_SYMBOL_GPL(blk_lld_busy); + int kblockd_schedule_work(struct request_queue *q, struct work_struct *work) { return queue_work(kblockd_workqueue, work); diff --git a/block/blk-settings.c b/block/blk-settings.c index 1d0330d0b40a..b21dcdb64151 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -89,6 +89,12 @@ void blk_queue_rq_timed_out(struct request_queue *q, rq_timed_out_fn *fn) } EXPORT_SYMBOL_GPL(blk_queue_rq_timed_out); +void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn) +{ + q->lld_busy_fn = fn; +} +EXPORT_SYMBOL_GPL(blk_queue_lld_busy); + /** * blk_queue_make_request - define an alternate make_request function for a device * @q: the request queue for the device to be affected diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0cf3e619fb21..9e0ee1a8254e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -269,6 +269,7 @@ typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *, typedef void (prepare_flush_fn) (struct request_queue *, struct request *); typedef void (softirq_done_fn)(struct request *); typedef int (dma_drain_needed_fn)(struct request *); +typedef int (lld_busy_fn) (struct request_queue *q); enum blk_eh_timer_return { BLK_EH_NOT_HANDLED, @@ -325,6 +326,7 @@ struct request_queue softirq_done_fn *softirq_done_fn; rq_timed_out_fn *rq_timed_out_fn; dma_drain_needed_fn *dma_drain_needed; + lld_busy_fn *lld_busy_fn; /* * Dispatch queue sorting @@ -699,6 +701,7 @@ extern struct request *blk_get_request(struct request_queue *, int, gfp_t); extern void blk_insert_request(struct request_queue *, struct request *, int, void *); extern void blk_requeue_request(struct request_queue *, struct request *); extern int blk_rq_check_limits(struct request_queue *q, struct request *rq); +extern int blk_lld_busy(struct request_queue *q); extern int blk_insert_cloned_request(struct request_queue *q, struct request *rq); extern void blk_plug_device(struct request_queue *); @@ -835,6 +838,7 @@ extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int); extern int blk_queue_dma_drain(struct request_queue *q, dma_drain_needed_fn *dma_drain_needed, void *buf, unsigned int size); +extern void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn); extern void blk_queue_segment_boundary(struct request_queue *, unsigned long); extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn); extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *); -- GitLab From 0497b345e7d067109e0dd9bf9f4978a6847ee13b Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 1 Oct 2008 16:16:25 +0200 Subject: [PATCH 3241/6244] blktrace: use BLKTRACE_BDEV_SIZE as the name size for setup structure Define as 32, which is is what BDEVNAME_SIZE is/was as well. This keeps the user interface the same and gets rid of the difference between kernel and user api here. Signed-off-by: Jens Axboe --- block/blktrace.c | 3 ++- include/linux/blktrace_api.h | 8 +++----- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/block/blktrace.c b/block/blktrace.c index 9e0212c90b29..85049a7e7a17 100644 --- a/block/blktrace.c +++ b/block/blktrace.c @@ -369,7 +369,8 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev, if (!buts->buf_size || !buts->buf_nr) return -EINVAL; - strcpy(buts->name, name); + strncpy(buts->name, name, BLKTRACE_BDEV_SIZE); + buts->name[BLKTRACE_BDEV_SIZE - 1] = '\0'; /* * some device names have larger paths - convert the slashes diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index a2a7d0ca2758..3a31eb506164 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -122,15 +122,13 @@ enum { Blktrace_stopped, }; +#define BLKTRACE_BDEV_SIZE 32 + /* * User setup structure passed with BLKTRACESTART */ struct blk_user_trace_setup { -#ifdef __KERNEL__ - char name[BDEVNAME_SIZE]; /* output */ -#else - char name[32]; /* output */ -#endif + char name[BLKTRACE_BDEV_SIZE]; /* output */ __u16 act_mask; /* input */ __u32 buf_size; /* input */ __u32 buf_nr; /* input */ -- GitLab From 8316982ac06d7d8875dc8738efbb030791dc33bb Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 10:11:20 -0400 Subject: [PATCH 3242/6244] virtio_blk: change to use __blk_end_request() This patch converts virtio_blk to use __blk_end_request() directly so that end_{queued|dequeued}_request() can be removed. Related 'uptodate' argument is converted to 'error'. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Cc: Rusty Russell Signed-off-by: Jens Axboe --- drivers/block/virtio_blk.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 879506a2c234..6ec5fc052786 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -47,20 +47,20 @@ static void blk_done(struct virtqueue *vq) spin_lock_irqsave(&vblk->lock, flags); while ((vbr = vblk->vq->vq_ops->get_buf(vblk->vq, &len)) != NULL) { - int uptodate; + int error; switch (vbr->status) { case VIRTIO_BLK_S_OK: - uptodate = 1; + error = 0; break; case VIRTIO_BLK_S_UNSUPP: - uptodate = -ENOTTY; + error = -ENOTTY; break; default: - uptodate = 0; + error = -EIO; break; } - end_dequeued_request(vbr->req, uptodate); + __blk_end_request(vbr->req, error, blk_rq_bytes(vbr->req)); list_del(&vbr->list); mempool_free(vbr, vblk->pool); } -- GitLab From 2a9df5055a99df25533daf4041fdb99f0ed3463c Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 10:12:15 -0400 Subject: [PATCH 3243/6244] memstick: change to use __blk_end_request() This patch converts memstick to use __blk_end_request() directly so that end_{queued|dequeued}_request() can be removed. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Cc: Alex Dubov Signed-off-by: Jens Axboe --- drivers/memstick/core/mspro_block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c index 82bf649ef138..6e291bf8237a 100644 --- a/drivers/memstick/core/mspro_block.c +++ b/drivers/memstick/core/mspro_block.c @@ -828,7 +828,7 @@ static void mspro_block_submit_req(struct request_queue *q) if (msb->eject) { while ((req = elv_next_request(q)) != NULL) - end_queued_request(req, -ENODEV); + __blk_end_request(req, -ENODEV, blk_rq_bytes(req)); return; } -- GitLab From 7afb3a6e752503d5ebeb038336aa0fa886a51b44 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 10:13:02 -0400 Subject: [PATCH 3244/6244] gdrom: change to use __blk_end_request() This patch converts gdrom to use __blk_end_request() directly so that end_{queued|dequeued}_request() can be removed. gd.transfer is '1' in error cases and '0' in non-error cases, so gdrom hasn't been propagating any error code to the block layer. We can just convert error cases to '-EIO'. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Cc: Adrian McMenamin Signed-off-by: Jens Axboe --- drivers/cdrom/gdrom.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 1231d95aa695..d6ba77a2dd7b 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -624,14 +624,14 @@ static void gdrom_readdisk_dma(struct work_struct *work) ctrl_outb(1, GDROM_DMA_STATUS_REG); wait_event_interruptible_timeout(request_queue, gd.transfer == 0, GDROM_DEFAULT_TIMEOUT); - err = gd.transfer; + err = gd.transfer ? -EIO : 0; gd.transfer = 0; gd.pending = 0; /* now seek to take the request spinlock * before handling ending the request */ spin_lock(&gdrom_lock); list_del_init(&req->queuelist); - end_dequeued_request(req, 1 - err); + __blk_end_request(req, err, blk_rq_bytes(req)); } spin_unlock(&gdrom_lock); kfree(read_command); -- GitLab From 99cd3386f290eaf61f2b7596d5a4cc2007771174 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 10:13:44 -0400 Subject: [PATCH 3245/6244] block: change elevator to use __blk_end_request() This patch converts elevator to use __blk_end_request() directly so that end_{queued|dequeued}_request() can be removed. Related 'uptodate' arguments is converted to 'error'. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Jens Axboe --- block/elevator.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 8a74eedc3530..04518921db31 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -754,7 +754,7 @@ struct request *elv_next_request(struct request_queue *q) * not ever see it. */ if (blk_empty_barrier(rq)) { - end_queued_request(rq, 1); + __blk_end_request(rq, 0, blk_rq_bytes(rq)); continue; } if (!(rq->cmd_flags & REQ_STARTED)) { @@ -825,7 +825,7 @@ struct request *elv_next_request(struct request_queue *q) break; } else if (ret == BLKPREP_KILL) { rq->cmd_flags |= REQ_QUIET; - end_queued_request(rq, 0); + __blk_end_request(rq, -EIO, blk_rq_bytes(rq)); } else { printk(KERN_ERR "%s: bad return=%d\n", __func__, ret); break; @@ -922,7 +922,7 @@ void elv_abort_queue(struct request_queue *q) rq = list_entry_rq(q->queue_head.next); rq->cmd_flags |= REQ_QUIET; blk_add_trace_rq(q, rq, BLK_TA_ABORT); - end_queued_request(rq, 0); + __blk_end_request(rq, -EIO, blk_rq_bytes(rq)); } } EXPORT_SYMBOL(elv_abort_queue); -- GitLab From d00e29fd99dd63d1c51917604e35dee824ed567f Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Wed, 1 Oct 2008 10:14:46 -0400 Subject: [PATCH 3246/6244] block: remove end_{queued|dequeued}_request() This patch removes end_queued_request() and end_dequeued_request(), which are no longer used. As a results, users of __end_request() became only end_request(). So the actual code in __end_request() is moved to end_request() and __end_request() is removed. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Jens Axboe --- block/blk-core.c | 58 +++++------------------------------------- include/linux/blkdev.h | 2 -- 2 files changed, 7 insertions(+), 53 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index b2d0ac8b760e..2d053b584410 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1790,17 +1790,6 @@ static void end_that_request_last(struct request *req, int error) } } -static inline void __end_request(struct request *rq, int uptodate, - unsigned int nr_bytes) -{ - int error = 0; - - if (uptodate <= 0) - error = uptodate ? uptodate : -EIO; - - __blk_end_request(rq, error, nr_bytes); -} - /** * blk_rq_bytes - Returns bytes left to complete in the entire request * @rq: the request being processed @@ -1830,41 +1819,6 @@ unsigned int blk_rq_cur_bytes(struct request *rq) } EXPORT_SYMBOL_GPL(blk_rq_cur_bytes); -/** - * end_queued_request - end all I/O on a queued request - * @rq: the request being processed - * @uptodate: error value or %0/%1 uptodate flag - * - * Description: - * Ends all I/O on a request, and removes it from the block layer queues. - * Not suitable for normal I/O completion, unless the driver still has - * the request attached to the block layer. - * - **/ -void end_queued_request(struct request *rq, int uptodate) -{ - __end_request(rq, uptodate, blk_rq_bytes(rq)); -} -EXPORT_SYMBOL(end_queued_request); - -/** - * end_dequeued_request - end all I/O on a dequeued request - * @rq: the request being processed - * @uptodate: error value or %0/%1 uptodate flag - * - * Description: - * Ends all I/O on a request. The request must already have been - * dequeued using blkdev_dequeue_request(), as is normally the case - * for most drivers. - * - **/ -void end_dequeued_request(struct request *rq, int uptodate) -{ - __end_request(rq, uptodate, blk_rq_bytes(rq)); -} -EXPORT_SYMBOL(end_dequeued_request); - - /** * end_request - end I/O on the current segment of the request * @req: the request being processed @@ -1879,14 +1833,16 @@ EXPORT_SYMBOL(end_dequeued_request); * they have a residual value to account for. For that case this function * isn't really useful, unless the residual just happens to be the * full current segment. In other words, don't use this function in new - * code. Use blk_end_request() or __blk_end_request() to end partial parts - * of a request, or end_dequeued_request() and end_queued_request() to - * completely end IO on a dequeued/queued request. - * + * code. Use blk_end_request() or __blk_end_request() to end a request. **/ void end_request(struct request *req, int uptodate) { - __end_request(req, uptodate, req->hard_cur_sectors << 9); + int error = 0; + + if (uptodate <= 0) + error = uptodate ? uptodate : -EIO; + + __blk_end_request(req, error, req->hard_cur_sectors << 9); } EXPORT_SYMBOL(end_request); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9e0ee1a8254e..bfc18e497c7f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -793,8 +793,6 @@ extern int __blk_end_request(struct request *rq, int error, extern int blk_end_bidi_request(struct request *rq, int error, unsigned int nr_bytes, unsigned int bidi_bytes); extern void end_request(struct request *, int); -extern void end_queued_request(struct request *, int); -extern void end_dequeued_request(struct request *, int); extern int blk_end_request_callback(struct request *rq, int error, unsigned int nr_bytes, int (drv_callback)(struct request *)); -- GitLab From 8deaf7210728c453295dc1cb2a5b66c68183ac85 Mon Sep 17 00:00:00 2001 From: Alberto Bertogli Date: Thu, 2 Oct 2008 12:46:53 +0200 Subject: [PATCH 3247/6244] bio.h: Remove unused conditional code The whole bio_integrity() definition is inside an #ifdef CONFIG_BLK_DEV_INTEGRITY, there's no need for the conditional code. Signed-off-by: Alberto Bertogli Signed-off-by: Jens Axboe --- include/linux/bio.h | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index 6520ee1a3f6d..98c2d0570657 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -457,14 +457,7 @@ static inline int bio_has_data(struct bio *bio) #define bip_for_each_vec(bvl, bip, i) \ __bip_for_each_vec(bvl, bip, i, (bip)->bip_idx) -static inline int bio_integrity(struct bio *bio) -{ -#if defined(CONFIG_BLK_DEV_INTEGRITY) - return bio->bi_integrity != NULL; -#else - return 0; -#endif -} +#define bio_integrity(bio) (bio->bi_integrity != NULL) extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *); extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); -- GitLab From b04accc425d52ca59699290661e0dfd09b0feeeb Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 2 Oct 2008 12:53:22 +0200 Subject: [PATCH 3248/6244] block: revert part of d7533ad0e132f92e75c1b2eb7c26387b25a583c1 We need bdev_get_integrity() to support the pending md/dm patches. Signed-off-by: Jens Axboe --- fs/bio-integrity.c | 5 ----- include/linux/blkdev.h | 7 +++++++ 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index ba4ada08564a..6e28dcdd23a2 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -150,11 +150,6 @@ int bio_integrity_add_page(struct bio *bio, struct page *page, } EXPORT_SYMBOL(bio_integrity_add_page); -static struct blk_integrity *bdev_get_integrity(struct block_device *bdev) -{ - return bdev->bd_disk->integrity; -} - static int bdev_integrity_enabled(struct block_device *bdev, int rw) { struct blk_integrity *bi = bdev_get_integrity(bdev); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bfc18e497c7f..bc693f5c3886 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1016,6 +1016,12 @@ extern int blk_integrity_compare(struct block_device *, struct block_device *); extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *); extern int blk_rq_count_integrity_sg(struct request *); +static inline +struct blk_integrity *bdev_get_integrity(struct block_device *bdev) +{ + return bdev->bd_disk->integrity; +} + static inline int blk_integrity_rq(struct request *rq) { if (rq->bio == NULL) @@ -1029,6 +1035,7 @@ static inline int blk_integrity_rq(struct request *rq) #define blk_integrity_rq(rq) (0) #define blk_rq_count_integrity_sg(a) (0) #define blk_rq_map_integrity_sg(a, b) (0) +#define bdev_get_integrity(a) (0) #define blk_integrity_compare(a, b) (0) #define blk_integrity_register(a, b) (0) #define blk_integrity_unregister(a) do { } while (0); -- GitLab From 74aa8c2cc010035a7eef2b4ca4d6430e0dae206a Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 1 Oct 2008 03:38:37 -0400 Subject: [PATCH 3249/6244] block: Introduce integrity data ownership flag A filesystem might supply its own integrity metadata. Introduce a flag that indicates whether the filesystem or the block layer owns the integrity buffer. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- fs/bio-integrity.c | 3 ++- include/linux/bio.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index 6e28dcdd23a2..19caf7c962ac 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -107,7 +107,8 @@ void bio_integrity_free(struct bio *bio, struct bio_set *bs) BUG_ON(bip == NULL); /* A cloned bio doesn't own the integrity metadata */ - if (!bio_flagged(bio, BIO_CLONED) && bip->bip_buf != NULL) + if (!bio_flagged(bio, BIO_CLONED) && !bio_flagged(bio, BIO_FS_INTEGRITY) + && bip->bip_buf != NULL) kfree(bip->bip_buf); mempool_free(bip->bip_vec, bs->bvec_pools[bip->bip_pool]); diff --git a/include/linux/bio.h b/include/linux/bio.h index 98c2d0570657..d86d39d490e6 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -109,6 +109,7 @@ struct bio { #define BIO_EOPNOTSUPP 7 /* not supported */ #define BIO_CPU_AFFINE 8 /* complete bio on same CPU as submitted */ #define BIO_NULL_MAPPED 9 /* contains invalid user pages */ +#define BIO_FS_INTEGRITY 10 /* fs owns integrity data, not block layer */ #define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag))) /* -- GitLab From 0c032ab889e7b20b8a5a7d09313e4aca214a15f7 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 1 Oct 2008 03:38:38 -0400 Subject: [PATCH 3250/6244] block: Fix double put in blk_integrity_unregister - kobject_del already puts the parent. - Set integrity profile to NULL to prevent stale data. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- block/blk-integrity.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 69023da63151..e3817a016a12 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -376,7 +376,7 @@ void blk_integrity_unregister(struct gendisk *disk) kobject_uevent(&bi->kobj, KOBJ_REMOVE); kobject_del(&bi->kobj); - kobject_put(&disk_to_dev(disk)->kobj); kmem_cache_free(integrity_cachep, bi); + disk->integrity = NULL; } EXPORT_SYMBOL(blk_integrity_unregister); -- GitLab From ad7fce93147d32ae53d25d9ea1a8ba31a239deee Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 1 Oct 2008 03:38:39 -0400 Subject: [PATCH 3251/6244] block: Switch blk_integrity_compare from bdev to gendisk The DM and MD integrity support now depends on being able to use gendisks instead of block_devices when comparing integrity profiles. Change function parameters accordingly. Also update comparison logic so that two NULL profiles are a valid configuration. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- block/blk-integrity.c | 28 ++++++++++++++-------------- include/linux/blkdev.h | 2 +- 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index e3817a016a12..61a8e2f8fdd0 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -108,51 +108,51 @@ new_segment: EXPORT_SYMBOL(blk_rq_map_integrity_sg); /** - * blk_integrity_compare - Compare integrity profile of two block devices - * @bd1: Device to compare - * @bd2: Device to compare + * blk_integrity_compare - Compare integrity profile of two disks + * @gd1: Disk to compare + * @gd2: Disk to compare * * Description: Meta-devices like DM and MD need to verify that all * sub-devices use the same integrity format before advertising to * upper layers that they can send/receive integrity metadata. This - * function can be used to check whether two block devices have + * function can be used to check whether two gendisk devices have * compatible integrity formats. */ -int blk_integrity_compare(struct block_device *bd1, struct block_device *bd2) +int blk_integrity_compare(struct gendisk *gd1, struct gendisk *gd2) { - struct blk_integrity *b1 = bd1->bd_disk->integrity; - struct blk_integrity *b2 = bd2->bd_disk->integrity; + struct blk_integrity *b1 = gd1->integrity; + struct blk_integrity *b2 = gd2->integrity; - BUG_ON(bd1->bd_disk == NULL); - BUG_ON(bd2->bd_disk == NULL); + if (!b1 && !b2) + return 0; if (!b1 || !b2) - return 0; + return -1; if (b1->sector_size != b2->sector_size) { printk(KERN_ERR "%s: %s/%s sector sz %u != %u\n", __func__, - bd1->bd_disk->disk_name, bd2->bd_disk->disk_name, + gd1->disk_name, gd2->disk_name, b1->sector_size, b2->sector_size); return -1; } if (b1->tuple_size != b2->tuple_size) { printk(KERN_ERR "%s: %s/%s tuple sz %u != %u\n", __func__, - bd1->bd_disk->disk_name, bd2->bd_disk->disk_name, + gd1->disk_name, gd2->disk_name, b1->tuple_size, b2->tuple_size); return -1; } if (b1->tag_size && b2->tag_size && (b1->tag_size != b2->tag_size)) { printk(KERN_ERR "%s: %s/%s tag sz %u != %u\n", __func__, - bd1->bd_disk->disk_name, bd2->bd_disk->disk_name, + gd1->disk_name, gd2->disk_name, b1->tag_size, b2->tag_size); return -1; } if (strcmp(b1->name, b2->name)) { printk(KERN_ERR "%s: %s/%s type %s != %s\n", __func__, - bd1->bd_disk->disk_name, bd2->bd_disk->disk_name, + gd1->disk_name, gd2->disk_name, b1->name, b2->name); return -1; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bc693f5c3886..00d340b0f758 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1012,7 +1012,7 @@ struct blk_integrity { extern int blk_integrity_register(struct gendisk *, struct blk_integrity *); extern void blk_integrity_unregister(struct gendisk *); -extern int blk_integrity_compare(struct block_device *, struct block_device *); +extern int blk_integrity_compare(struct gendisk *, struct gendisk *); extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *); extern int blk_rq_count_integrity_sg(struct request *); -- GitLab From b02739b01c5309d74a59859f2ce92c931d1f1955 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Thu, 2 Oct 2008 18:47:49 +0200 Subject: [PATCH 3252/6244] block: gendisk integrity wrapper This is a wrapper for accessing a gendisk's integrity bits. It allows the integrity support in MD to be compiled with BLK_DEV_INTEGRITY off. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- include/linux/blkdev.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 00d340b0f758..a92d9e4ea96e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1022,6 +1022,11 @@ struct blk_integrity *bdev_get_integrity(struct block_device *bdev) return bdev->bd_disk->integrity; } +static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk) +{ + return disk->integrity; +} + static inline int blk_integrity_rq(struct request *rq) { if (rq->bio == NULL) @@ -1036,6 +1041,7 @@ static inline int blk_integrity_rq(struct request *rq) #define blk_rq_count_integrity_sg(a) (0) #define blk_rq_map_integrity_sg(a, b) (0) #define bdev_get_integrity(a) (0) +#define blk_get_integrity(a) (0) #define blk_integrity_compare(a, b) (0) #define blk_integrity_register(a, b) (0) #define blk_integrity_unregister(a) do { } while (0); -- GitLab From ad3316bf4eeb53c89164f759767f911072b56203 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 1 Oct 2008 22:42:53 -0400 Subject: [PATCH 3253/6244] block: Find bio sector offset given idx and offset Helper function to find the sector offset in a bio given bvec index and page offset. Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- fs/bio.c | 36 ++++++++++++++++++++++++++++++++++++ include/linux/bio.h | 1 + 2 files changed, 37 insertions(+) diff --git a/fs/bio.c b/fs/bio.c index e56e7685af9c..a5af5809f566 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -1300,6 +1300,42 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors) return bp; } +/** + * bio_sector_offset - Find hardware sector offset in bio + * @bio: bio to inspect + * @index: bio_vec index + * @offset: offset in bv_page + * + * Return the number of hardware sectors between beginning of bio + * and an end point indicated by a bio_vec index and an offset + * within that vector's page. + */ +sector_t bio_sector_offset(struct bio *bio, unsigned short index, + unsigned int offset) +{ + unsigned int sector_sz = queue_hardsect_size(bio->bi_bdev->bd_disk->queue); + struct bio_vec *bv; + sector_t sectors; + int i; + + sectors = 0; + + if (index >= bio->bi_idx) + index = bio->bi_vcnt - 1; + + __bio_for_each_segment(bv, bio, i, 0) { + if (i == index) { + if (offset > bv->bv_offset) + sectors += (offset - bv->bv_offset) / sector_sz; + break; + } + + sectors += bv->bv_len / sector_sz; + } + + return sectors; +} +EXPORT_SYMBOL(bio_sector_offset); /* * create memory pools for biovec's in a bio_set. diff --git a/include/linux/bio.h b/include/linux/bio.h index d86d39d490e6..fe12d0f9ebaa 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -327,6 +327,7 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); extern int bio_get_nr_vecs(struct block_device *); +extern sector_t bio_sector_offset(struct bio *, unsigned short, unsigned int); extern struct bio *bio_map_user(struct request_queue *, struct block_device *, unsigned long, unsigned int, int, gfp_t); struct sg_iovec; -- GitLab From 6feef531f55cf4a20fd9eb39f5352e5745203603 Mon Sep 17 00:00:00 2001 From: Denis ChengRq Date: Thu, 9 Oct 2008 08:57:05 +0200 Subject: [PATCH 3254/6244] block: mark bio_split_pool static Since all bio_split calls refer the same single bio_split_pool, the bio_split function can use bio_split_pool directly instead of the mempool_t parameter; then the mempool_t parameter can be removed from bio_split param list, and bio_split_pool is only referred in fs/bio.c file, can be marked static. Signed-off-by: Denis ChengRq Signed-off-by: Jens Axboe --- drivers/block/pktcdvd.c | 2 +- drivers/md/linear.c | 2 +- drivers/md/raid0.c | 2 +- drivers/md/raid10.c | 2 +- fs/bio.c | 9 ++++----- include/linux/bio.h | 4 +--- 6 files changed, 9 insertions(+), 12 deletions(-) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index e1a90bbb4747..0e077150568b 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2544,7 +2544,7 @@ static int pkt_make_request(struct request_queue *q, struct bio *bio) if (last_zone != zone) { BUG_ON(last_zone != zone + pd->settings.size); first_sectors = last_zone - bio->bi_sector; - bp = bio_split(bio, bio_split_pool, first_sectors); + bp = bio_split(bio, first_sectors); BUG_ON(!bp); pkt_make_request(q, &bp->bio1); pkt_make_request(q, &bp->bio2); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index c80ea90593d3..b9cbee688fae 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -353,7 +353,7 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) * split it. */ struct bio_pair *bp; - bp = bio_split(bio, bio_split_pool, + bp = bio_split(bio, ((tmp_dev->offset + tmp_dev->size)<<1) - bio->bi_sector); if (linear_make_request(q, &bp->bio1)) generic_make_request(&bp->bio1); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index f52f442a735f..53508a8a981d 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -427,7 +427,7 @@ static int raid0_make_request (struct request_queue *q, struct bio *bio) /* This is a one page bio that upper layers * refuse to split for us, so we need to split it. */ - bp = bio_split(bio, bio_split_pool, chunk_sects - (bio->bi_sector & (chunk_sects - 1)) ); + bp = bio_split(bio, chunk_sects - (bio->bi_sector & (chunk_sects - 1))); if (raid0_make_request(q, &bp->bio1)) generic_make_request(&bp->bio1); if (raid0_make_request(q, &bp->bio2)) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 5f990133f5ef..8bdc9bfc2887 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -817,7 +817,7 @@ static int make_request(struct request_queue *q, struct bio * bio) /* This is a one page bio that upper layers * refuse to split for us, so we need to split it. */ - bp = bio_split(bio, bio_split_pool, + bp = bio_split(bio, chunk_sects - (bio->bi_sector & (chunk_sects - 1)) ); if (make_request(q, &bp->bio1)) generic_make_request(&bp->bio1); diff --git a/fs/bio.c b/fs/bio.c index a5af5809f566..77a55bcceedb 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -30,7 +30,7 @@ static struct kmem_cache *bio_slab __read_mostly; -mempool_t *bio_split_pool __read_mostly; +static mempool_t *bio_split_pool __read_mostly; /* * if you change this list, also change bvec_alloc or things will @@ -1256,9 +1256,9 @@ static void bio_pair_end_2(struct bio *bi, int err) * split a bio - only worry about a bio with a single page * in it's iovec */ -struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors) +struct bio_pair *bio_split(struct bio *bi, int first_sectors) { - struct bio_pair *bp = mempool_alloc(pool, GFP_NOIO); + struct bio_pair *bp = mempool_alloc(bio_split_pool, GFP_NOIO); if (!bp) return bp; @@ -1292,7 +1292,7 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors) bp->bio2.bi_end_io = bio_pair_end_2; bp->bio1.bi_private = bi; - bp->bio2.bi_private = pool; + bp->bio2.bi_private = bio_split_pool; if (bio_integrity(bi)) bio_integrity_split(bi, bp, first_sectors); @@ -1455,7 +1455,6 @@ EXPORT_SYMBOL(bio_map_kern); EXPORT_SYMBOL(bio_copy_kern); EXPORT_SYMBOL(bio_pair_release); EXPORT_SYMBOL(bio_split); -EXPORT_SYMBOL(bio_split_pool); EXPORT_SYMBOL(bio_copy_user); EXPORT_SYMBOL(bio_uncopy_user); EXPORT_SYMBOL(bioset_create); diff --git a/include/linux/bio.h b/include/linux/bio.h index fe12d0f9ebaa..fb97221d7c30 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -300,9 +300,7 @@ struct bio_pair { atomic_t cnt; int error; }; -extern struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, - int first_sectors); -extern mempool_t *bio_split_pool; +extern struct bio_pair *bio_split(struct bio *bi, int first_sectors); extern void bio_pair_release(struct bio_pair *dbio); extern struct bio_set *bioset_create(int, int); -- GitLab From af5639424008ffe96f89b059bea1aec15e0115a9 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 9 Oct 2008 09:01:10 +0200 Subject: [PATCH 3255/6244] block: add some comments around the bio read-write flags Signed-off-by: Jens Axboe --- include/linux/bio.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/include/linux/bio.h b/include/linux/bio.h index fb97221d7c30..ff5b4cf9e2da 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -123,13 +123,23 @@ struct bio { /* * bio bi_rw flags * - * bit 0 -- read (not set) or write (set) + * bit 0 -- data direction + * If not set, bio is a read from device. If set, it's a write to device. * bit 1 -- rw-ahead when set * bit 2 -- barrier + * Insert a serialization point in the IO queue, forcing previously + * submitted IO to be completed before this oen is issued. * bit 3 -- fail fast, don't want low level driver retries * bit 4 -- synchronous I/O hint: the block layer will unplug immediately + * Note that this does NOT indicate that the IO itself is sync, just + * that the block layer will not postpone issue of this IO by plugging. * bit 5 -- metadata request + * Used for tracing to differentiate metadata and data IO. May also + * get some preferential treatment in the IO scheduler * bit 6 -- discard sectors + * Informs the lower level device that this range of sectors is no longer + * used by the file system and may thus be freed by the device. Used + * for flash based storage. */ #define BIO_RW 0 /* Must match RW in req flags (blkdev.h) */ #define BIO_RW_AHEAD 1 /* Must match FAILFAST in req flags */ -- GitLab From dabaad5b90dec6909c984d95330f6f41c325f9a8 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:17:36 +0800 Subject: [PATCH 3256/6244] Blackfin arch: fix bug -- PTRACE_PEEKDATA does not seem to work which breaks umoven() in strace Don't add arbitrary offset when peeking at data Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 66 ++++++++++++++++------------------- 1 file changed, 31 insertions(+), 35 deletions(-) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index bf1a51d8e608..9ce80d05e2c9 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -46,7 +46,6 @@ #include #include -#define MAX_SHARED_LIBS 3 #define TEXT_OFFSET 0 /* * does not yet catch signals sent when the child dies. @@ -192,14 +191,12 @@ void ptrace_disable(struct task_struct *child) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret; - int add = 0; unsigned long __user *datap = (unsigned long __user *)data; switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKDATA: pr_debug("ptrace: PEEKDATA\n"); - add = MAX_SHARED_LIBS * 4; /* space between text and data */ /* fall through */ case PTRACE_PEEKTEXT: /* read word at location addr. */ { @@ -207,39 +204,38 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int copied; ret = -EIO; - pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + add %d %ld\n", addr, add, - sizeof(data)); - if (is_user_addr_valid(child, addr + add, sizeof(tmp)) < 0) + pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + %ld\n", addr, sizeof(data)); + if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0) break; pr_debug("ptrace: user address is valid\n"); #if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy (&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_CODE_START + && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif #if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_DATA_A_START + && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif #if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_DATA_B_START + && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(tmp) <= FIXED_CODE_END) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= FIXED_CODE_START + && addr + sizeof(tmp) <= FIXED_CODE_END) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else - copied = access_process_vm(child, addr + add, &tmp, + copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp); if (copied != sizeof(tmp)) @@ -291,39 +287,39 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int copied; ret = -EIO; - pr_debug("ptrace: POKETEXT at addr 0x%08lx + add %d %ld bytes %lx\n", - addr, add, sizeof(data), data); - if (is_user_addr_valid(child, addr + add, sizeof(data)) < 0) + pr_debug("ptrace: POKETEXT at addr 0x%08lx + %ld bytes %lx\n", + addr, sizeof(data), data); + if (is_user_addr_valid(child, addr, sizeof(data)) < 0) break; pr_debug("ptrace: user address is valid\n"); #if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy ((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_CODE_START + && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif #if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_DATA_A_START + && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif #if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_DATA_B_START + && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(data) <= FIXED_CODE_END) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= FIXED_CODE_START + && addr + sizeof(data) <= FIXED_CODE_END) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else - copied = access_process_vm(child, addr + add, &data, + copied = access_process_vm(child, addr, &data, sizeof(data), 1); pr_debug("ptrace: copied size %d\n", copied); if (copied != sizeof(data)) -- GitLab From d3ab3a62f57f3aaeed5a7e2ef136937ffd16448a Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:19:50 +0800 Subject: [PATCH 3257/6244] Blackfin arch: ptrace - cleanup debug messages and style Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 9ce80d05e2c9..b3f4ac792cf1 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -280,7 +280,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKEDATA: - printk(KERN_NOTICE "ptrace: PTRACE_PEEKDATA\n"); + pr_debug("ptrace: PTRACE_PEEKDATA\n"); /* fall through */ case PTRACE_POKETEXT: /* write the word at location addr. */ { @@ -351,7 +351,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) { /* restart after signal. */ long tmp; - pr_debug("ptrace_cont\n"); + pr_debug("ptrace: syscall/cont\n"); ret = -EIO; if (!valid_signal(data)) @@ -365,7 +365,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* make sure the single step bit is not set. */ tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); put_reg(child, PT_SYSCFG, tmp); - pr_debug("before wake_up_process\n"); + pr_debug("ptrace: before wake_up_process\n"); wake_up_process(child); ret = 0; break; @@ -394,7 +394,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) { /* set the trap flag. */ long tmp; - pr_debug("single step\n"); + pr_debug("ptrace: single step\n"); ret = -EIO; if (!valid_signal(data)) break; @@ -411,21 +411,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } case PTRACE_GETREGS: - { - - /* Get all gp regs from the child. */ - ret = ptrace_getregs(child, datap); - break; - } + /* Get all gp regs from the child. */ + ret = ptrace_getregs(child, datap); + break; case PTRACE_SETREGS: - { - printk(KERN_NOTICE - "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); - /* Set all gp regs in the child. */ - ret = 0; - break; - } + printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); + /* Set all gp regs in the child. */ + ret = 0; + break; + default: ret = ptrace_request(child, request, addr, data); break; @@ -436,7 +431,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) asmlinkage void syscall_trace(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; -- GitLab From cb4c173d94e90f9d8c7b621d1a8dfc8b741874a2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:21:05 +0800 Subject: [PATCH 3258/6244] Blackfin arch: use existing ptrace_disable() func to clear TRACE_BITS and create the opposite ptrace_enable() Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 87 +++++++++++++++-------------------- 1 file changed, 37 insertions(+), 50 deletions(-) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index b3f4ac792cf1..e8172eece047 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -175,6 +175,13 @@ static inline int is_user_addr_valid(struct task_struct *child, return -EIO; } +void ptrace_enable(struct task_struct *child) +{ + unsigned long tmp; + tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); + put_reg(child, PT_SYSCFG, tmp); +} + /* * Called by kernel/ptrace.c when detaching.. * @@ -347,29 +354,22 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: - { /* restart after signal. */ - long tmp; - - pr_debug("ptrace: syscall/cont\n"); + case PTRACE_CONT: /* restart after signal. */ + pr_debug("ptrace: syscall/cont\n"); - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - child->exit_code = data; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - pr_debug("ptrace: before wake_up_process\n"); - wake_up_process(child); - ret = 0; + ret = -EIO; + if (!valid_signal(data)) break; - } + if (request == PTRACE_SYSCALL) + set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + else + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + child->exit_code = data; + ptrace_disable(child); + pr_debug("ptrace: before wake_up_process\n"); + wake_up_process(child); + ret = 0; + break; /* * make the child exit. Best I can do is send it a sigkill. @@ -377,38 +377,25 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * exit. */ case PTRACE_KILL: - { - long tmp; - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - wake_up_process(child); + ret = 0; + if (child->exit_state == EXIT_ZOMBIE) /* already dead */ break; - } - - case PTRACE_SINGLESTEP: - { /* set the trap flag. */ - long tmp; - - pr_debug("ptrace: single step\n"); - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); + child->exit_code = SIGKILL; + ptrace_disable(child); + wake_up_process(child); + break; - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; + case PTRACE_SINGLESTEP: /* set the trap flag. */ + pr_debug("ptrace: single step\n"); + ret = -EIO; + if (!valid_signal(data)) break; - } + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + ptrace_enable(child); + child->exit_code = data; + wake_up_process(child); + ret = 0; + break; case PTRACE_GETREGS: /* Get all gp regs from the child. */ -- GitLab From f5a817e3f707759882e423060badd2f2e52b66a4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:22:56 +0800 Subject: [PATCH 3259/6244] Blackfin arch: ptrace - make sure PT_ORIG_R0 and PT_ORIG_P0 offsets are declared Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/ptrace.h | 2 ++ arch/blackfin/kernel/asm-offsets.c | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h index a45a80e54adc..e3f086dc7268 100644 --- a/arch/blackfin/include/asm/ptrace.h +++ b/arch/blackfin/include/asm/ptrace.h @@ -158,6 +158,8 @@ extern void show_regs(struct pt_regs *); #define PT_SEQSTAT 8 #define PT_IPEND 4 +#define PT_ORIG_R0 208 +#define PT_ORIG_P0 212 #define PT_SYSCFG 216 #define PT_TEXT_ADDR 220 #define PT_TEXT_END_ADDR 224 diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c index 881afe9082c7..9bb85dd5ccb3 100644 --- a/arch/blackfin/kernel/asm-offsets.c +++ b/arch/blackfin/kernel/asm-offsets.c @@ -60,6 +60,7 @@ int main(void) DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE); /* offsets into the pt_regs */ + DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0)); DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0)); DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc)); DEFINE(PT_R0, offsetof(struct pt_regs, r0)); -- GitLab From 47664c1f86c833c4b6398885fdb2b80fc4945c6a Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:32:18 +0800 Subject: [PATCH 3260/6244] Blackfin arch: give sys_strace proper entry markings a global _sys_trace will cause the assembler to fail, it should be fixed in toolchain side firstly. Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/entry.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 76c42d3b5e85..c13fa8da28c7 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -704,6 +704,9 @@ ENTRY(_system_call) rts; ENDPROC(_system_call) +/* Do not mark as ENTRY() to avoid error in assembler ... + * this symbol need not be global anyways, so ... + */ _sys_trace: call _syscall_trace; -- GitLab From 55f2feae3a1e075d9b4b0e73a6024f3e25717878 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Thu, 9 Oct 2008 15:37:47 +0800 Subject: [PATCH 3261/6244] Blackfin arch: correct icache size in show_cpuinfo(), let c_start() return proper pointer Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index ea4f60978c66..e9054e0b4555 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -1000,7 +1000,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) "cpu family\t: 0x%x\n" "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" "stepping\t: %d\n", - 0, + *(unsigned int *)v, vendor, (bfin_read_CHIPID() & CHIPID_FAMILY), cpu, cclk/1000000, sclk/1000000, @@ -1048,7 +1048,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE)) dcache_size = 0; - if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB)) + if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) != (IMC | ENICPLB)) icache_size = 0; seq_printf(m, "cache size\t: %d KB(L1 icache) " @@ -1137,12 +1137,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) static void *c_start(struct seq_file *m, loff_t *pos) { - return *pos < NR_CPUS ? ((void *)0x12345678) : NULL; + if (*pos == 0) + *pos = first_cpu(cpu_online_map); + if (*pos >= num_online_cpus()) + return NULL; + + return pos; } static void *c_next(struct seq_file *m, void *v, loff_t *pos) { - ++*pos; + *pos = next_cpu(*pos, cpu_online_map); + return c_start(m, pos); } -- GitLab From 57d1b5366f46fe434e565b710baf683daff78dd8 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Thu, 9 Oct 2008 10:42:38 +0200 Subject: [PATCH 3262/6244] block_dev: fix kernel-doc in new functions Fix kernel-doc in new functions: Error(mmotm-2008-1002-1617//fs/block_dev.c:895): duplicate section name 'Description' Error(mmotm-2008-1002-1617//fs/block_dev.c:924): duplicate section name 'Description' Warning(mmotm-2008-1002-1617//fs/block_dev.c:1282): No description found for parameter 'pathname' Signed-off-by: Randy Dunlap cc: Andrew Patterson Signed-off-by: Jens Axboe --- fs/block_dev.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/fs/block_dev.c b/fs/block_dev.c index 57e2786dd2a5..d84f0469a016 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -879,9 +879,7 @@ static void flush_disk(struct block_device *bdev) } /** - * check_disk_size_change - checks for disk size change and adjusts - * bdev size. - * + * check_disk_size_change - checks for disk size change and adjusts bdev size. * @disk: struct gendisk to check * @bdev: struct bdev to adjust. * @@ -908,9 +906,7 @@ void check_disk_size_change(struct gendisk *disk, struct block_device *bdev) EXPORT_SYMBOL(check_disk_size_change); /** - * revalidate_disk - wrapper for lower-level driver's revalidate_disk - * call-back - * + * revalidate_disk - wrapper for lower-level driver's revalidate_disk call-back * @disk: struct gendisk to be revalidated * * This routine is a wrapper for lower-level driver's revalidate_disk @@ -1266,10 +1262,9 @@ EXPORT_SYMBOL(ioctl_by_bdev); /** * lookup_bdev - lookup a struct block_device by name + * @pathname: special file representing the block device * - * @path: special file representing the block device - * - * Get a reference to the blockdevice at @path in the current + * Get a reference to the blockdevice at @pathname in the current * namespace if possible and return it. Return ERR_PTR(error) * otherwise. */ -- GitLab From 1d5ff7e27d2ca30cd3f61afd353b03dd67330818 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 9 Oct 2008 17:06:32 +0800 Subject: [PATCH 3263/6244] Blackfin arch: Fix bug - HW Errors never recover on BF548 The kernel does not properly clear the EBIU Error Master (EBIU_ERRMST) Register on BF548, which causes the kernel to panic. We need to make sure that we clear the EBIU_ERRMST (necessary on BF54x) Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/kernel/traps.c | 15 +++++++++++++-- arch/blackfin/mach-common/interrupt.S | 9 +++++++++ 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 1a3c4daf557a..709c247b7016 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -1025,8 +1025,19 @@ void show_regs(struct pt_regs *fp) printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", (long)fp->seqstat, fp->ipend, fp->syscfg); - printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", - (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); + if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { + printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", + (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); +#ifdef EBIU_ERRMST + /* If the error was from the EBIU, print it out */ + if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { + printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", + bfin_read_EBIU_ERRMST()); + printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", + bfin_read_EBIU_ERRADD()); + } +#endif + } printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); for (i = 6; i <= 15 ; i++) { diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index 647f0f522910..4a2ec7a9675a 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -179,7 +179,16 @@ ENTRY(_evt_ivhw) call _trap_c; SP += 12; +#ifdef EBIU_ERRMST + /* make sure EBIU_ERRMST is clear */ + p0.l = LO(EBIU_ERRMST); + p0.h = HI(EBIU_ERRMST); + r0.l = (CORE_ERROR | CORE_MERROR); + w[p0] = r0.l; +#endif + call _ret_from_exception; + .Lcommon_restore_all_sys: RESTORE_ALL_SYS rti; -- GitLab From 6c3fc69a173868c0a3c20bc1bba5ede463b5029c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:13:39 +0800 Subject: [PATCH 3264/6244] Blackfin arch: avoid using actual config name in comment avoid using actual config name in comment as a text search is done to see what files need to be rebuilt Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index e1f9cbd00a09..f842ea3bfc19 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -106,7 +106,7 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[], _ebss_l2[], _l2_lma_start[]; -/* only used when CONFIG_MTD_UCLINUX */ +/* only used when MTD_UCLINUX */ extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; #ifdef CONFIG_BFIN_ICACHE_LOCK -- GitLab From 8d163b3fa52bb532a4d431c195352fcf356b4977 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 7 Oct 2008 20:20:15 +0100 Subject: [PATCH 3265/6244] [ARM] 5296/1: [KS8695] Replace macro's with trailing underscores. Replace Macro names that have trailing underscores. Also use the IOPD() macro instead of a hard-coded bit-shift (for better readability). Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-ks8695/gpio.c | 20 +++++++++---------- arch/arm/mach-ks8695/include/mach/regs-gpio.h | 4 ++-- arch/arm/mach-ks8695/include/mach/regs-lan.h | 4 ++-- arch/arm/mach-ks8695/include/mach/regs-wan.h | 4 ++-- 4 files changed, 16 insertions(+), 16 deletions(-) diff --git a/arch/arm/mach-ks8695/gpio.c b/arch/arm/mach-ks8695/gpio.c index 3624e65cd89b..55cee776ff55 100644 --- a/arch/arm/mach-ks8695/gpio.c +++ b/arch/arm/mach-ks8695/gpio.c @@ -72,7 +72,7 @@ int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type) /* set pin as input */ x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM); - x &= ~IOPM_(pin); + x &= ~IOPM(pin); __raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM); local_irq_restore(flags); @@ -108,7 +108,7 @@ int __init_or_module gpio_direction_input(unsigned int pin) /* set pin as input */ x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM); - x &= ~IOPM_(pin); + x &= ~IOPM(pin); __raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM); local_irq_restore(flags); @@ -136,14 +136,14 @@ int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state) /* set line state */ x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD); if (state) - x |= (1 << pin); + x |= IOPD(pin); else - x &= ~(1 << pin); + x &= ~IOPD(pin); __raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD); /* set pin as output */ x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPM); - x |= IOPM_(pin); + x |= IOPM(pin); __raw_writel(x, KS8695_GPIO_VA + KS8695_IOPM); local_irq_restore(flags); @@ -168,9 +168,9 @@ void gpio_set_value(unsigned int pin, unsigned int state) /* set output line state */ x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD); if (state) - x |= (1 << pin); + x |= IOPD(pin); else - x &= ~(1 << pin); + x &= ~IOPD(pin); __raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD); local_irq_restore(flags); @@ -189,7 +189,7 @@ int gpio_get_value(unsigned int pin) return -EINVAL; x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD); - return (x & (1 << pin)) != 0; + return (x & IOPD(pin)) != 0; } EXPORT_SYMBOL(gpio_get_value); @@ -240,7 +240,7 @@ static int ks8695_gpio_show(struct seq_file *s, void *unused) for (i = KS8695_GPIO_0; i <= KS8695_GPIO_15 ; i++) { seq_printf(s, "%i:\t", i); - seq_printf(s, "%s\t", (mode & IOPM_(i)) ? "Output" : "Input"); + seq_printf(s, "%s\t", (mode & IOPM(i)) ? "Output" : "Input"); if (i <= KS8695_GPIO_3) { if (ctrl & enable[i]) { @@ -273,7 +273,7 @@ static int ks8695_gpio_show(struct seq_file *s, void *unused) seq_printf(s, "\t"); - seq_printf(s, "%i\n", (data & IOPD_(i)) ? 1 : 0); + seq_printf(s, "%i\n", (data & IOPD(i)) ? 1 : 0); } return 0; } diff --git a/arch/arm/mach-ks8695/include/mach/regs-gpio.h b/arch/arm/mach-ks8695/include/mach/regs-gpio.h index 0df6fe61d1ce..90614a7d0548 100644 --- a/arch/arm/mach-ks8695/include/mach/regs-gpio.h +++ b/arch/arm/mach-ks8695/include/mach/regs-gpio.h @@ -24,7 +24,7 @@ /* Port Mode Register */ -#define IOPM_(x) (1 << (x)) /* Mode for GPIO Pin x */ +#define IOPM(x) (1 << (x)) /* Mode for GPIO Pin x */ /* Port Control Register */ #define IOPC_IOTIM1EN (1 << 17) /* GPIO Pin for Timer1 Enable */ @@ -50,6 +50,6 @@ #define IOPC_TM_EDGE (6) /* Both Edge Detection */ /* Port Data Register */ -#define IOPD_(x) (1 << (x)) /* Signal Level of GPIO Pin x */ +#define IOPD(x) (1 << (x)) /* Signal Level of GPIO Pin x */ #endif diff --git a/arch/arm/mach-ks8695/include/mach/regs-lan.h b/arch/arm/mach-ks8695/include/mach/regs-lan.h index 9ef409901e76..82c5f3791afb 100644 --- a/arch/arm/mach-ks8695/include/mach/regs-lan.h +++ b/arch/arm/mach-ks8695/include/mach/regs-lan.h @@ -29,8 +29,8 @@ #define KS8695_LRDLB (0x14) /* Receive Descriptor List Base Address */ #define KS8695_LMAL (0x18) /* MAC Station Address Low */ #define KS8695_LMAH (0x1c) /* MAC Station Address High */ -#define KS8695_LMAAL_(n) (0x80 + ((n)*8)) /* MAC Additional Station Address (0..15) Low */ -#define KS8695_LMAAH_(n) (0x84 + ((n)*8)) /* MAC Additional Station Address (0..15) High */ +#define KS8695_LMAAL(n) (0x80 + ((n)*8)) /* MAC Additional Station Address (0..15) Low */ +#define KS8695_LMAAH(n) (0x84 + ((n)*8)) /* MAC Additional Station Address (0..15) High */ /* DMA Transmit Control Register */ diff --git a/arch/arm/mach-ks8695/include/mach/regs-wan.h b/arch/arm/mach-ks8695/include/mach/regs-wan.h index eb494ec6e956..c475bed22b8e 100644 --- a/arch/arm/mach-ks8695/include/mach/regs-wan.h +++ b/arch/arm/mach-ks8695/include/mach/regs-wan.h @@ -29,8 +29,8 @@ #define KS8695_WRDLB (0x14) /* Receive Descriptor List Base Address */ #define KS8695_WMAL (0x18) /* MAC Station Address Low */ #define KS8695_WMAH (0x1c) /* MAC Station Address High */ -#define KS8695_WMAAL_(n) (0x80 + ((n)*8)) /* MAC Additional Station Address (0..15) Low */ -#define KS8695_WMAAH_(n) (0x84 + ((n)*8)) /* MAC Additional Station Address (0..15) High */ +#define KS8695_WMAAL(n) (0x80 + ((n)*8)) /* MAC Additional Station Address (0..15) Low */ +#define KS8695_WMAAH(n) (0x84 + ((n)*8)) /* MAC Additional Station Address (0..15) High */ /* DMA Transmit Control Register */ -- GitLab From 8e6c81fe289e90b188203ec1db1dc2f3e992ebde Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Tue, 7 Oct 2008 20:44:07 +0100 Subject: [PATCH 3266/6244] [ARM] 5297/1: [KS8695] Fix two compile-time warnings Fix two warnings when compiling for the KS8695 processor. arch/arm/include/asm/dma-mapping.h: In function 'dma_to_virt': arch/arm/include/asm/dma-mapping.h:40: warning: return makes pointer from integer without a cast Section mismatch in reference from the function pcibios_fixup_bus() to the (unknown reference) .devinit.text:(unknown) The function pcibios_fixup_bus() references the (unknown reference) __devinit (unknown). This is often because pcibios_fixup_bus lacks a __devinit annotation or the annotation of (unknown) is wrong. Signed-off-by: Andrew Victor Signed-off-by: Russell King --- arch/arm/mach-ks8695/include/mach/memory.h | 4 ++-- arch/arm/mach-ks8695/pci.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h index dadbe66cb75c..8fbc4c76c38b 100644 --- a/arch/arm/mach-ks8695/include/mach/memory.h +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -31,8 +31,8 @@ /* Platform-bus mapping */ extern struct bus_type platform_bus_type; #define is_lbus_device(dev) (dev && dev->bus == &platform_bus_type) -#define __arch_dma_to_virt(dev, x) ({ is_lbus_device(dev) ? \ - __phys_to_virt(x) : __bus_to_virt(x); }) +#define __arch_dma_to_virt(dev, x) ({ (void *) (is_lbus_device(dev) ? \ + __phys_to_virt(x) : __bus_to_virt(x)); }) #define __arch_virt_to_dma(dev, x) ({ is_lbus_device(dev) ? \ (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); }) #define __arch_page_to_dma(dev, x) __arch_virt_to_dma(dev, page_address(x)) diff --git a/arch/arm/mach-ks8695/pci.c b/arch/arm/mach-ks8695/pci.c index 1746c67af176..507933c8379c 100644 --- a/arch/arm/mach-ks8695/pci.c +++ b/arch/arm/mach-ks8695/pci.c @@ -141,7 +141,7 @@ static struct pci_ops ks8695_pci_ops = { .write = ks8695_pci_writeconfig, }; -static struct pci_bus *ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys) +static struct pci_bus* __init ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys) { return pci_scan_bus(sys->busnr, &ks8695_pci_ops, sys); } -- GitLab From 664d0403f96ff5f4fb43a4b3a54b5642589c57d2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:28:36 +0800 Subject: [PATCH 3267/6244] Blackfin arch: fix end address for parallel flash and increase kernel partition size to 4meg Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/boards/ezkit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 7c08b9f1838a..5288187a3ace 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -462,7 +462,7 @@ static struct mtd_partition ezkit_partitions[] = { .offset = 0, }, { .name = "linux kernel(nor)", - .size = 0x1C0000, + .size = 0x400000, .offset = MTDPART_OFS_APPEND, }, { .name = "file system(nor)", @@ -479,7 +479,7 @@ static struct physmap_flash_data ezkit_flash_data = { static struct resource ezkit_flash_resource = { .start = 0x20000000, - .end = 0x20ffffff, + .end = 0x21ffffff, .flags = IORESOURCE_MEM, }; -- GitLab From 0c0497c257c12c9ecb8825490a339bfce8a0532f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:32:28 +0800 Subject: [PATCH 3268/6244] Blackfin arch: Move all the silicon rev handling to one place Move all the silicon rev handling to one place (Kconfig) and make sure we warn if you are running on silicon that has not been tested on Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 13 +++++++++++++ arch/blackfin/kernel/setup.c | 3 ++- arch/blackfin/mach-bf527/include/mach/bf527.h | 2 -- arch/blackfin/mach-bf533/include/mach/bf533.h | 2 -- arch/blackfin/mach-bf537/include/mach/bf537.h | 2 -- arch/blackfin/mach-bf548/include/mach/bf548.h | 2 -- arch/blackfin/mach-bf561/include/mach/bf561.h | 2 -- 7 files changed, 15 insertions(+), 11 deletions(-) diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 10c97efbd91f..8102c79aaa94 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -166,6 +166,19 @@ config BF561 endchoice +config BF_REV_MIN + int + default 0 if (BF52x || BF54x) + default 2 if (BF537 || BF536 || BF534) + default 3 if (BF561 ||BF533 || BF532 || BF531) + +config BF_REV_MAX + int + default 2 if (BF52x || BF54x) + default 3 if (BF537 || BF536 || BF534) + default 5 if (BF561) + default 6 if (BF533 || BF532 || BF531) + choice prompt "Silicon Rev" default BF_REV_0_1 if (BF52x || BF54x) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index e9054e0b4555..4267523912bd 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -821,9 +821,10 @@ void __init setup_arch(char **cmdline_p) printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", bfin_compiled_revid(), bfin_revid()); } - if (bfin_revid() < SUPPORTED_REVID) + if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", CPU, bfin_revid()); + printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", diff --git a/arch/blackfin/mach-bf527/include/mach/bf527.h b/arch/blackfin/mach-bf527/include/mach/bf527.h index 056eb4b9cd25..330041fde546 100644 --- a/arch/blackfin/mach-bf527/include/mach/bf527.h +++ b/arch/blackfin/mach-bf527/include/mach/bf527.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF527_H__ #define __MACH_BF527_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf533/include/mach/bf533.h b/arch/blackfin/mach-bf533/include/mach/bf533.h index 12a416931991..949801112303 100644 --- a/arch/blackfin/mach-bf533/include/mach/bf533.h +++ b/arch/blackfin/mach-bf533/include/mach/bf533.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF533_H__ #define __MACH_BF533_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf537/include/mach/bf537.h b/arch/blackfin/mach-bf537/include/mach/bf537.h index cfe2a221112e..7a047e04e383 100644 --- a/arch/blackfin/mach-bf537/include/mach/bf537.h +++ b/arch/blackfin/mach-bf537/include/mach/bf537.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF537_H__ #define __MACH_BF537_H__ -#define SUPPORTED_REVID 2 - /* Masks for generic ERROR IRQ demultiplexing used in int-priority-sc.c */ #define SPI_ERR_MASK (TXCOL | RBSY | MODF | TXE) /* SPI_STAT */ diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h index e748588e8930..14f8a7b84544 100644 --- a/arch/blackfin/mach-bf548/include/mach/bf548.h +++ b/arch/blackfin/mach-bf548/include/mach/bf548.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF548_H__ #define __MACH_BF548_H__ -#define SUPPORTED_REVID 0 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf561/include/mach/bf561.h b/arch/blackfin/mach-bf561/include/mach/bf561.h index 3ef9e5f36136..7787caad3555 100644 --- a/arch/blackfin/mach-bf561/include/mach/bf561.h +++ b/arch/blackfin/mach-bf561/include/mach/bf561.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF561_H__ #define __MACH_BF561_H__ -#define SUPPORTED_REVID 0x3 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ -- GitLab From 0cfbb3234c8b18fc2a4934bed418be47c8382b72 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 9 Oct 2008 17:39:37 +0800 Subject: [PATCH 3269/6244] Blackfin arch: early prink code still use uart core console functions to parse and set configure option string Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 2cb0a3080d79..f08aea4fc5eb 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -184,6 +184,7 @@ config DEBUG_BFIN_NO_KERN_HWTRACE config EARLY_PRINTK bool "Early printk" default n + select SERIAL_CORE_CONSOLE help This option enables special console drivers which allow the kernel to print messages very early in the bootup process. -- GitLab From 45138439e171111a93273e9c0008b41ac56d0731 Mon Sep 17 00:00:00 2001 From: Javier Herrero Date: Thu, 9 Oct 2008 18:06:47 +0800 Subject: [PATCH 3270/6244] Blackfin arch: flash memory map and dm9000 resources updating Signed-off-by: Javier Herrero Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf533/boards/H8606.c | 34 ++++++++++++++----------- 1 file changed, 19 insertions(+), 15 deletions(-) diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c index c66a68f30239..72ac3ac8ef76 100644 --- a/arch/blackfin/mach-bf533/boards/H8606.c +++ b/arch/blackfin/mach-bf533/boards/H8606.c @@ -9,7 +9,7 @@ * Modified: * Copyright 2005 National ICT Australia (NICTA) * Copyright 2004-2006 Analog Devices Inc - * Copyright 2007 HV Sistemas S.L. + * Copyright 2007,2008 HV Sistemas S.L. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -64,18 +64,18 @@ static struct platform_device rtc_device = { static struct resource dm9000_resources[] = { [0] = { .start = 0x20300000, - .end = 0x20300000 + 1, + .end = 0x20300002, .flags = IORESOURCE_MEM, }, [1] = { - .start = 0x20300000 + 4, - .end = 0x20300000 + 5, + .start = 0x20300004, + .end = 0x20300006, .flags = IORESOURCE_MEM, }, [2] = { .start = IRQ_PF10, .end = IRQ_PF10, - .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE), + .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IRQF_SHARED | IRQF_TRIGGER_HIGH), }, }; @@ -140,18 +140,22 @@ static struct platform_device net2272_bfin_device = { #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) static struct mtd_partition bfin_spi_flash_partitions[] = { { - .name = "bootloader(spi)", - .size = 0x00060000, + .name = "bootloader (spi)", + .size = 0x40000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { - .name = "linux kernel(spi)", - .size = 0x100000, - .offset = 0x60000 + .name = "fpga (spi)", + .size = 0x30000, + .offset = 0x40000 }, { - .name = "file system(spi)", - .size = 0x6a0000, - .offset = 0x00160000, + .name = "linux kernel (spi)", + .size = 0x150000, + .offset = 0x70000 + }, { + .name = "jffs2 root file system (spi)", + .size = 0x640000, + .offset = 0x1c0000, } }; @@ -340,7 +344,7 @@ static struct platform_device bfin_sir_device = { static struct plat_serial8250_port serial8250_platform_data [] = { { - .membase = 0x20200000, + .membase = (void *)0x20200000, .mapbase = 0x20200000, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, @@ -348,7 +352,7 @@ static struct plat_serial8250_port serial8250_platform_data [] = { .regshift = 1, .uartclk = 66666667, }, { - .membase = 0x20200010, + .membase = (void *)0x20200010, .mapbase = 0x20200010, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, -- GitLab From eefb47f6a1e855653d275cb90592a3587ea93a09 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Wed, 8 Oct 2008 13:01:39 -0700 Subject: [PATCH 3271/6244] xen: use spin_lock_nest_lock when pinning a pagetable When pinning/unpinning a pagetable with split pte locks, we can end up holding multiple pte locks at once (we need to hold the locks while there's a pending batched hypercall affecting the pte page). Because all the pte locks are in the same lock class, lockdep thinks that we're potentially taking a lock recursively. This warning is spurious because we always take the pte locks while holding mm->page_table_lock. lockdep now has spin_lock_nest_lock to express this kind of dominant lock use, so use it here so that lockdep knows what's going on. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/mmu.c | 74 ++++++++++++++++++++++++++++++---------------- arch/x86/xen/mmu.h | 3 -- 2 files changed, 48 insertions(+), 29 deletions(-) diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 64e58681767e..ae173f6edd8b 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -651,9 +651,12 @@ void xen_set_pgd(pgd_t *ptr, pgd_t val) * For 64-bit, we must skip the Xen hole in the middle of the address * space, just after the big x86-64 virtual hole. */ -static int xen_pgd_walk(pgd_t *pgd, int (*func)(struct page *, enum pt_level), +static int xen_pgd_walk(struct mm_struct *mm, + int (*func)(struct mm_struct *mm, struct page *, + enum pt_level), unsigned long limit) { + pgd_t *pgd = mm->pgd; int flush = 0; unsigned hole_low, hole_high; unsigned pgdidx_limit, pudidx_limit, pmdidx_limit; @@ -698,7 +701,7 @@ static int xen_pgd_walk(pgd_t *pgd, int (*func)(struct page *, enum pt_level), pud = pud_offset(&pgd[pgdidx], 0); if (PTRS_PER_PUD > 1) /* not folded */ - flush |= (*func)(virt_to_page(pud), PT_PUD); + flush |= (*func)(mm, virt_to_page(pud), PT_PUD); for (pudidx = 0; pudidx < PTRS_PER_PUD; pudidx++) { pmd_t *pmd; @@ -713,7 +716,7 @@ static int xen_pgd_walk(pgd_t *pgd, int (*func)(struct page *, enum pt_level), pmd = pmd_offset(&pud[pudidx], 0); if (PTRS_PER_PMD > 1) /* not folded */ - flush |= (*func)(virt_to_page(pmd), PT_PMD); + flush |= (*func)(mm, virt_to_page(pmd), PT_PMD); for (pmdidx = 0; pmdidx < PTRS_PER_PMD; pmdidx++) { struct page *pte; @@ -727,7 +730,7 @@ static int xen_pgd_walk(pgd_t *pgd, int (*func)(struct page *, enum pt_level), continue; pte = pmd_page(pmd[pmdidx]); - flush |= (*func)(pte, PT_PTE); + flush |= (*func)(mm, pte, PT_PTE); } } } @@ -735,20 +738,20 @@ static int xen_pgd_walk(pgd_t *pgd, int (*func)(struct page *, enum pt_level), out: /* Do the top level last, so that the callbacks can use it as a cue to do final things like tlb flushes. */ - flush |= (*func)(virt_to_page(pgd), PT_PGD); + flush |= (*func)(mm, virt_to_page(pgd), PT_PGD); return flush; } /* If we're using split pte locks, then take the page's lock and return a pointer to it. Otherwise return NULL. */ -static spinlock_t *xen_pte_lock(struct page *page) +static spinlock_t *xen_pte_lock(struct page *page, struct mm_struct *mm) { spinlock_t *ptl = NULL; #if USE_SPLIT_PTLOCKS ptl = __pte_lockptr(page); - spin_lock(ptl); + spin_lock_nest_lock(ptl, &mm->page_table_lock); #endif return ptl; @@ -772,7 +775,8 @@ static void xen_do_pin(unsigned level, unsigned long pfn) MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF); } -static int xen_pin_page(struct page *page, enum pt_level level) +static int xen_pin_page(struct mm_struct *mm, struct page *page, + enum pt_level level) { unsigned pgfl = TestSetPagePinned(page); int flush; @@ -813,7 +817,7 @@ static int xen_pin_page(struct page *page, enum pt_level level) */ ptl = NULL; if (level == PT_PTE) - ptl = xen_pte_lock(page); + ptl = xen_pte_lock(page, mm); MULTI_update_va_mapping(mcs.mc, (unsigned long)pt, pfn_pte(pfn, PAGE_KERNEL_RO), @@ -834,11 +838,11 @@ static int xen_pin_page(struct page *page, enum pt_level level) /* This is called just after a mm has been created, but it has not been used yet. We need to make sure that its pagetable is all read-only, and can be pinned. */ -void xen_pgd_pin(pgd_t *pgd) +static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd) { xen_mc_batch(); - if (xen_pgd_walk(pgd, xen_pin_page, USER_LIMIT)) { + if (xen_pgd_walk(mm, xen_pin_page, USER_LIMIT)) { /* re-enable interrupts for kmap_flush_unused */ xen_mc_issue(0); kmap_flush_unused(); @@ -852,25 +856,35 @@ void xen_pgd_pin(pgd_t *pgd) xen_do_pin(MMUEXT_PIN_L4_TABLE, PFN_DOWN(__pa(pgd))); if (user_pgd) { - xen_pin_page(virt_to_page(user_pgd), PT_PGD); + xen_pin_page(mm, virt_to_page(user_pgd), PT_PGD); xen_do_pin(MMUEXT_PIN_L4_TABLE, PFN_DOWN(__pa(user_pgd))); } } #else /* CONFIG_X86_32 */ #ifdef CONFIG_X86_PAE /* Need to make sure unshared kernel PMD is pinnable */ - xen_pin_page(virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), PT_PMD); + xen_pin_page(mm, virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), + PT_PMD); #endif xen_do_pin(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(pgd))); #endif /* CONFIG_X86_64 */ xen_mc_issue(0); } +static void xen_pgd_pin(struct mm_struct *mm) +{ + __xen_pgd_pin(mm, mm->pgd); +} + /* * On save, we need to pin all pagetables to make sure they get their * mfns turned into pfns. Search the list for any unpinned pgds and pin * them (unpinned pgds are not currently in use, probably because the * process is under construction or destruction). + * + * Expected to be called in stop_machine() ("equivalent to taking + * every spinlock in the system"), so the locking doesn't really + * matter all that much. */ void xen_mm_pin_all(void) { @@ -881,7 +895,7 @@ void xen_mm_pin_all(void) list_for_each_entry(page, &pgd_list, lru) { if (!PagePinned(page)) { - xen_pgd_pin((pgd_t *)page_address(page)); + __xen_pgd_pin(&init_mm, (pgd_t *)page_address(page)); SetPageSavePinned(page); } } @@ -894,7 +908,8 @@ void xen_mm_pin_all(void) * that's before we have page structures to store the bits. So do all * the book-keeping now. */ -static __init int xen_mark_pinned(struct page *page, enum pt_level level) +static __init int xen_mark_pinned(struct mm_struct *mm, struct page *page, + enum pt_level level) { SetPagePinned(page); return 0; @@ -902,10 +917,11 @@ static __init int xen_mark_pinned(struct page *page, enum pt_level level) void __init xen_mark_init_mm_pinned(void) { - xen_pgd_walk(init_mm.pgd, xen_mark_pinned, FIXADDR_TOP); + xen_pgd_walk(&init_mm, xen_mark_pinned, FIXADDR_TOP); } -static int xen_unpin_page(struct page *page, enum pt_level level) +static int xen_unpin_page(struct mm_struct *mm, struct page *page, + enum pt_level level) { unsigned pgfl = TestClearPagePinned(page); @@ -923,7 +939,7 @@ static int xen_unpin_page(struct page *page, enum pt_level level) * partially-pinned state. */ if (level == PT_PTE) { - ptl = xen_pte_lock(page); + ptl = xen_pte_lock(page, mm); if (ptl) xen_do_pin(MMUEXT_UNPIN_TABLE, pfn); @@ -945,7 +961,7 @@ static int xen_unpin_page(struct page *page, enum pt_level level) } /* Release a pagetables pages back as normal RW */ -static void xen_pgd_unpin(pgd_t *pgd) +static void __xen_pgd_unpin(struct mm_struct *mm, pgd_t *pgd) { xen_mc_batch(); @@ -957,21 +973,27 @@ static void xen_pgd_unpin(pgd_t *pgd) if (user_pgd) { xen_do_pin(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(user_pgd))); - xen_unpin_page(virt_to_page(user_pgd), PT_PGD); + xen_unpin_page(mm, virt_to_page(user_pgd), PT_PGD); } } #endif #ifdef CONFIG_X86_PAE /* Need to make sure unshared kernel PMD is unpinned */ - xen_unpin_page(virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), PT_PMD); + xen_unpin_page(mm, virt_to_page(pgd_page(pgd[pgd_index(TASK_SIZE)])), + PT_PMD); #endif - xen_pgd_walk(pgd, xen_unpin_page, USER_LIMIT); + xen_pgd_walk(mm, xen_unpin_page, USER_LIMIT); xen_mc_issue(0); } +static void xen_pgd_unpin(struct mm_struct *mm) +{ + __xen_pgd_unpin(mm, mm->pgd); +} + /* * On resume, undo any pinning done at save, so that the rest of the * kernel doesn't see any unexpected pinned pagetables. @@ -986,7 +1008,7 @@ void xen_mm_unpin_all(void) list_for_each_entry(page, &pgd_list, lru) { if (PageSavePinned(page)) { BUG_ON(!PagePinned(page)); - xen_pgd_unpin((pgd_t *)page_address(page)); + __xen_pgd_unpin(&init_mm, (pgd_t *)page_address(page)); ClearPageSavePinned(page); } } @@ -997,14 +1019,14 @@ void xen_mm_unpin_all(void) void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next) { spin_lock(&next->page_table_lock); - xen_pgd_pin(next->pgd); + xen_pgd_pin(next); spin_unlock(&next->page_table_lock); } void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) { spin_lock(&mm->page_table_lock); - xen_pgd_pin(mm->pgd); + xen_pgd_pin(mm); spin_unlock(&mm->page_table_lock); } @@ -1095,7 +1117,7 @@ void xen_exit_mmap(struct mm_struct *mm) /* pgd may not be pinned in the error exit path of execve */ if (xen_page_pinned(mm->pgd)) - xen_pgd_unpin(mm->pgd); + xen_pgd_unpin(mm); spin_unlock(&mm->page_table_lock); } diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h index 0f59bd03f9e3..98d71659da5a 100644 --- a/arch/x86/xen/mmu.h +++ b/arch/x86/xen/mmu.h @@ -18,9 +18,6 @@ void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next); void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm); void xen_exit_mmap(struct mm_struct *mm); -void xen_pgd_pin(pgd_t *pgd); -//void xen_pgd_unpin(pgd_t *pgd); - pteval_t xen_pte_val(pte_t); pmdval_t xen_pmd_val(pmd_t); pgdval_t xen_pgd_val(pgd_t); -- GitLab From 762a9f291bfdf9e4d5c2b80d730d79055c8d8c99 Mon Sep 17 00:00:00 2001 From: Deepak Saxena Date: Wed, 8 Oct 2008 12:56:24 -0700 Subject: [PATCH 3272/6244] UBI: print reserved_peb when it is too large This patch makes debugging a missconfigured UBI a bit easier by providing the needed information in the boot log. Signed-off-by: Deepak Saxena Signed-off-by: Artem Bityutskiy --- drivers/mtd/ubi/vtbl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index 217d0e111b2a..333c8941552f 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -244,8 +244,8 @@ static int vtbl_check(const struct ubi_device *ubi, } if (reserved_pebs > ubi->good_peb_count) { - dbg_err("too large reserved_pebs, good PEBs %d", - ubi->good_peb_count); + dbg_err("too large reserved_pebs %d, good PEBs %d", + reserved_pebs, ubi->good_peb_count); err = 9; goto bad; } -- GitLab From 04dcd84bc79d9f756bf5b9fc16c7df3344823ca8 Mon Sep 17 00:00:00 2001 From: Corentin Chary Date: Thu, 9 Oct 2008 15:33:57 +0200 Subject: [PATCH 3273/6244] eeepc-laptop: Fix hwmon interface Creates a name file in the sysfs directory, that is needed for the libsensors library to work. Also rename fan1_pwm to pwm1 and scale its value as needed. This fixes bug #11520: http://bugzilla.kernel.org/show_bug.cgi?id=11520 Signed-off-by: Corentin Chary Signed-off-by: Jean Delvare --- drivers/misc/eeepc-laptop.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index facdb9893c84..1ee8501e90f1 100644 --- a/drivers/misc/eeepc-laptop.c +++ b/drivers/misc/eeepc-laptop.c @@ -450,12 +450,14 @@ static int eeepc_get_fan_pwm(void) int value = 0; read_acpi_int(NULL, EEEPC_EC_FAN_PWM, &value); + value = value * 255 / 100; return (value); } static void eeepc_set_fan_pwm(int value) { - value = SENSORS_LIMIT(value, 0, 100); + value = SENSORS_LIMIT(value, 0, 255); + value = value * 100 / 255; ec_write(EEEPC_EC_SC02, value); } @@ -520,15 +522,23 @@ static ssize_t show_sys_hwmon(int (*get)(void), char *buf) static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); EEEPC_CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, eeepc_get_fan_rpm, NULL); -EEEPC_CREATE_SENSOR_ATTR(fan1_pwm, S_IRUGO | S_IWUSR, +EEEPC_CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, eeepc_get_fan_pwm, eeepc_set_fan_pwm); EEEPC_CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, eeepc_get_fan_ctrl, eeepc_set_fan_ctrl); +static ssize_t +show_name(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "eeepc\n"); +} +static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); + static struct attribute *hwmon_attributes[] = { - &sensor_dev_attr_fan1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_name.dev_attr.attr, NULL }; -- GitLab From 98dd22c3e086d76058083432d4d8fb85f04bab90 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Thu, 9 Oct 2008 15:33:58 +0200 Subject: [PATCH 3274/6244] hwmon: (it87) Prevent power-off on Shuttle SN68PT On the Shuttle SN68PT, FAN_CTL2 is apparently not connected to a fan, but to something else. One user has reported instant system power-off when changing the PWM2 duty cycle, so we disable it. I use the board name string as the trigger in case the same board is ever used in other systems. This closes lm-sensors ticket #2349: pwmconfig causes a hard poweroff http://www.lm-sensors.org/ticket/2349 Signed-off-by: Jean Delvare --- drivers/hwmon/it87.c | 70 ++++++++++++++++++++++++++++++++------------ 1 file changed, 51 insertions(+), 19 deletions(-) diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index f1133081cc42..d793cc011990 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -46,6 +46,8 @@ #include #include #include +#include +#include #include #define DRVNAME "it87" @@ -236,6 +238,8 @@ struct it87_sio_data { /* Values read from Super-I/O config space */ u8 revision; u8 vid_value; + /* Values set based on DMI strings */ + u8 skip_pwm; }; /* For each registered chip, we need to keep some data in memory. @@ -964,6 +968,7 @@ static int __init it87_find(unsigned short *address, { int err = -ENODEV; u16 chip_type; + const char *board_vendor, *board_name; superio_enter(); chip_type = force_id ? force_id : superio_inw(DEVID); @@ -1022,6 +1027,24 @@ static int __init it87_find(unsigned short *address, pr_info("it87: in7 is VCCH (+5V Stand-By)\n"); } + /* Disable specific features based on DMI strings */ + board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); + board_name = dmi_get_system_info(DMI_BOARD_NAME); + if (board_vendor && board_name) { + if (strcmp(board_vendor, "nVIDIA") == 0 + && strcmp(board_name, "FN68PT") == 0) { + /* On the Shuttle SN68PT, FAN_CTL2 is apparently not + connected to a fan, but to something else. One user + has reported instant system power-off when changing + the PWM2 duty cycle, so we disable it. + I use the board name string as the trigger in case + the same board is ever used in other systems. */ + pr_info("it87: Disabling pwm2 due to " + "hardware constraints\n"); + sio_data->skip_pwm = (1 << 1); + } + } + exit: superio_exit(); return err; @@ -1168,25 +1191,33 @@ static int __devinit it87_probe(struct platform_device *pdev) } if (enable_pwm_interface) { - if ((err = device_create_file(dev, - &sensor_dev_attr_pwm1_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm2_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm3_enable.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm1.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm2.dev_attr)) - || (err = device_create_file(dev, - &sensor_dev_attr_pwm3.dev_attr)) - || (err = device_create_file(dev, - &dev_attr_pwm1_freq)) - || (err = device_create_file(dev, - &dev_attr_pwm2_freq)) - || (err = device_create_file(dev, - &dev_attr_pwm3_freq))) - goto ERROR4; + if (!(sio_data->skip_pwm & (1 << 0))) { + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm1_enable.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm1.dev_attr)) + || (err = device_create_file(dev, + &dev_attr_pwm1_freq))) + goto ERROR4; + } + if (!(sio_data->skip_pwm & (1 << 1))) { + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm2_enable.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm2.dev_attr)) + || (err = device_create_file(dev, + &dev_attr_pwm2_freq))) + goto ERROR4; + } + if (!(sio_data->skip_pwm & (1 << 2))) { + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm3_enable.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm3.dev_attr)) + || (err = device_create_file(dev, + &dev_attr_pwm3_freq))) + goto ERROR4; + } } if (data->type == it8712 || data->type == it8716 @@ -1546,6 +1577,7 @@ static int __init sm_it87_init(void) unsigned short isa_address=0; struct it87_sio_data sio_data; + memset(&sio_data, 0, sizeof(struct it87_sio_data)); err = it87_find(&isa_address, &sio_data); if (err) return err; -- GitLab From ddedc658fc56bb5b9b200d7f4df6e93e1d0d8048 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 9 Oct 2008 15:33:58 +0200 Subject: [PATCH 3275/6244] hwmon: Define sysfs interface for energy consumption register Describe the sysfs files that were introduced in the ibmaem driver. Signed-off-by: Darrick J. Wong Signed-off-by: Jean Delvare --- Documentation/hwmon/sysfs-interface | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface index 2d845730d4e0..6dbfd5efd991 100644 --- a/Documentation/hwmon/sysfs-interface +++ b/Documentation/hwmon/sysfs-interface @@ -329,6 +329,10 @@ power[1-*]_average Average power use Unit: microWatt RO +power[1-*]_average_interval Power use averaging interval + Unit: milliseconds + RW + power[1-*]_average_highest Historical average maximum power use Unit: microWatt RO @@ -353,6 +357,14 @@ power[1-*]_reset_history Reset input_highest, input_lowest, average_highest and average_lowest. WO +********** +* Energy * +********** + +energy[1-*]_input Cumulative energy use + Unit: microJoule + RO + ********** * Alarms * ********** -- GitLab From c73c556c1ae3619d8a7c55254b0ddcf10034a914 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 9 Oct 2008 15:33:58 +0200 Subject: [PATCH 3276/6244] hwmon: (adt7473) Fix some bogosity in documentation file Signed-off-by: Darrick J. Wong Signed-off-by: Jean Delvare --- Documentation/hwmon/adt7473 | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473 index 2126de34c711..1cbf671822e2 100644 --- a/Documentation/hwmon/adt7473 +++ b/Documentation/hwmon/adt7473 @@ -14,14 +14,14 @@ Description This driver implements support for the Analog Devices ADT7473 chip family. -The LM85 uses the 2-wire interface compatible with the SMBUS 2.0 +The ADT7473 uses the 2-wire interface compatible with the SMBUS 2.0 specification. Using an analog to digital converter it measures three (3) -temperatures and two (2) voltages. It has three (3) 16-bit counters for +temperatures and two (2) voltages. It has four (4) 16-bit counters for measuring fan speed. There are three (3) PWM outputs that can be used to control fan speed. A sophisticated control system for the PWM outputs is designed into the -LM85 that allows fan speed to be adjusted automatically based on any of the +ADT7473 that allows fan speed to be adjusted automatically based on any of the three temperature sensors. Each PWM output is individually adjustable and programmable. Once configured, the ADT7473 will adjust the PWM outputs in response to the measured temperatures without further host intervention. @@ -46,14 +46,6 @@ from the raw value to get the temperature value. The Analog Devices datasheet is very detailed and describes a procedure for determining an optimal configuration for the automatic PWM control. -Hardware Configurations ------------------------ - -The ADT7473 chips have an optional SMBALERT output that can be used to -signal the chipset in case a limit is exceeded or the temperature sensors -fail. Individual sensor interrupts can be masked so they won't trigger -SMBALERT. The SMBALERT output if configured replaces the PWM2 function. - Configuration Notes ------------------- @@ -61,8 +53,8 @@ Besides standard interfaces driver adds the following: * PWM Control -* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and -* pwm#_auto_point2_pwm and pwm#_auto_point2_temp - +* pwm#_auto_point1_pwm and temp#_auto_point1_temp and +* pwm#_auto_point2_pwm and temp#_auto_point2_temp - point1: Set the pwm speed at a lower temperature bound. point2: Set the pwm speed at a higher temperature bound. -- GitLab From 8748a71e8c2d1310b66c2feed1632de8620cd2f1 Mon Sep 17 00:00:00 2001 From: Alistair John Strachan Date: Thu, 9 Oct 2008 15:33:59 +0200 Subject: [PATCH 3277/6244] hwmon: (abituguru3) Enable reading from AUX3 fan on Abit AT8 32X The table for the Abit AT8 32X was incorrectly missing an entry for the sixth ("AUX3") fan. Add this entry, exporting the fan reading to userspace. Closes lm-sensors.org ticket #2339. Signed-off-by: Alistair John Strachan Tested-by: Daniel Exner Acked-by: Hans de Goede Signed-off-by: Jean Delvare --- drivers/hwmon/abituguru3.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c index d568c65c1370..4545194a0044 100644 --- a/drivers/hwmon/abituguru3.c +++ b/drivers/hwmon/abituguru3.c @@ -303,6 +303,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = { { "SYS Fan", 34, 2, 60, 1, 0 }, { "AUX1 Fan", 35, 2, 60, 1, 0 }, { "AUX2 Fan", 36, 2, 60, 1, 0 }, + { "AUX3 Fan", 37, 2, 60, 1, 0 }, { NULL, 0, 0, 0, 0, 0 } } }, { 0x0012, NULL /* Abit AN8 32X, need DMI string */, { -- GitLab From 5e5cddbc3f2936c9fefbae64633c522e242c350d Mon Sep 17 00:00:00 2001 From: Alistair John Strachan Date: Thu, 9 Oct 2008 15:33:59 +0200 Subject: [PATCH 3278/6244] hwmon: (abituguru3) Enable DMI probing feature on Abit AT8 32X Enable driver checking of the DMI product name (when enabled) on an Abit AT8 32X, instead of falling back to a manual probe. This eliminates false negatives and eventually will help avoid unnecessary bus probes on unsupported mainboards. Signed-off-by: Alistair John Strachan Tested-by: Daniel Exner Acked-by: Hans de Goede Signed-off-by: Jean Delvare --- drivers/hwmon/abituguru3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c index 4545194a0044..d9e7a49d6cbf 100644 --- a/drivers/hwmon/abituguru3.c +++ b/drivers/hwmon/abituguru3.c @@ -279,7 +279,7 @@ static const struct abituguru3_motherboard_info abituguru3_motherboards[] = { { "OTES1 Fan", 36, 2, 60, 1, 0 }, { NULL, 0, 0, 0, 0, 0 } } }, - { 0x0011, NULL /* Abit AT8 32X, need DMI string */, { + { 0x0011, "AT8 32X(ATI RD580-ULI M1575)", { { "CPU Core", 0, 0, 10, 1, 0 }, { "DDR", 1, 0, 20, 1, 0 }, { "DDR VTT", 2, 0, 10, 1, 0 }, -- GitLab From d8aa0251f12546e9bd1e9ee1d9782d6492819a04 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Thu, 9 Oct 2008 13:36:24 +0100 Subject: [PATCH 3279/6244] [ARM] 5298/1: Drop desc_handle_irq() desc_handle_irq() was declared as obsolete since long ago. Replace it with generic_handle_irq() Signed-off-by: Dmitry Baryshkov Signed-off-by: Russell King --- arch/arm/common/it8152.c | 14 +++---------- arch/arm/common/locomo.c | 26 ++++++++---------------- arch/arm/kernel/ecard.c | 6 ++---- arch/arm/kernel/irq.c | 11 +++++----- arch/arm/mach-at91/gpio.c | 3 +-- arch/arm/mach-davinci/gpio.c | 5 +---- arch/arm/mach-ep93xx/core.c | 7 +++---- arch/arm/mach-footbridge/isa-irq.c | 3 +-- arch/arm/mach-h720x/common.c | 4 +--- arch/arm/mach-h720x/cpu-h7202.c | 4 +--- arch/arm/mach-imx/irq.c | 4 +--- arch/arm/mach-integrator/integrator_cp.c | 3 +-- arch/arm/mach-iop13xx/msi.c | 3 +-- arch/arm/mach-ixp2000/core.c | 6 ++---- arch/arm/mach-ixp2000/ixdp2x00.c | 4 +--- arch/arm/mach-ixp2000/ixdp2x01.c | 4 +--- arch/arm/mach-ixp23xx/core.c | 4 +--- arch/arm/mach-ixp23xx/ixdp2351.c | 8 ++------ arch/arm/mach-lh7a40x/arch-kev7a400.c | 2 +- arch/arm/mach-lh7a40x/arch-lpd7a40x.c | 4 ++-- arch/arm/mach-lh7a40x/common.h | 1 - arch/arm/mach-lh7a40x/irq-lpd7a40x.c | 4 ++-- arch/arm/mach-netx/generic.c | 5 +---- arch/arm/mach-ns9xxx/board-a9m9750dev.c | 5 +---- arch/arm/mach-omap1/board-voiceblue.c | 1 + arch/arm/mach-omap1/fpga.c | 4 +--- arch/arm/mach-orion5x/irq.c | 2 +- arch/arm/mach-pxa/gpio.c | 2 +- arch/arm/mach-pxa/lpd270.c | 3 +-- arch/arm/mach-pxa/lubbock.c | 3 +-- arch/arm/mach-pxa/mainstone.c | 3 +-- arch/arm/mach-pxa/pcm990-baseboard.c | 3 +-- arch/arm/mach-s3c2410/bast-irq.c | 3 +-- arch/arm/mach-s3c2412/irq.c | 4 ++-- arch/arm/mach-s3c2440/irq.c | 7 ++----- arch/arm/mach-s3c2443/irq.c | 5 +---- arch/arm/mach-sa1100/irq.c | 4 +--- arch/arm/mach-sa1100/neponset.c | 11 +++------- arch/arm/mach-versatile/core.c | 3 +-- arch/arm/plat-omap/gpio.c | 5 +---- arch/arm/plat-s3c24xx/irq.c | 24 +++++++--------------- arch/arm/plat-s3c24xx/s3c244x-irq.c | 7 ++----- 42 files changed, 72 insertions(+), 162 deletions(-) diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 5fe9588db077..2793447621c3 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -66,14 +66,6 @@ static void it8152_unmask_irq(unsigned int irq) } } -static inline void it8152_irq(int irq) -{ - struct irq_desc *desc; - - desc = irq_desc + irq; - desc_handle_irq(irq, desc); -} - static struct irq_chip it8152_irq_chip = { .name = "it8152", .ack = it8152_mask_irq, @@ -128,21 +120,21 @@ void it8152_irq_demux(unsigned int irq, struct irq_desc *desc) bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1); while (bits_pd) { i = __ffs(bits_pd); - it8152_irq(IT8152_PD_IRQ(i)); + generic_handle_irq(IT8152_PD_IRQ(i)); bits_pd &= ~(1 << i); } bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1); while (bits_lp) { i = __ffs(bits_lp); - it8152_irq(IT8152_LP_IRQ(i)); + generic_handle_irq(IT8152_LP_IRQ(i)); bits_lp &= ~(1 << i); } bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1); while (bits_ld) { i = __ffs(bits_ld); - it8152_irq(IT8152_LD_IRQ(i)); + generic_handle_irq(IT8152_LD_IRQ(i)); bits_ld &= ~(1 << i); } } diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 283051eaf931..8f473b7c3494 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -169,7 +169,6 @@ static struct locomo_dev_info locomo_devices[] = { static void locomo_handler(unsigned int irq, struct irq_desc *desc) { int req, i; - struct irq_desc *d; void __iomem *mapbase = get_irq_chip_data(irq); /* Acknowledge the parent IRQ */ @@ -181,10 +180,9 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc) if (req) { /* generate the next interrupt(s) */ irq = LOCOMO_IRQ_START; - d = irq_desc + irq; - for (i = 0; i <= 3; i++, d++, irq++) { + for (i = 0; i <= 3; i++, irq++) { if (req & (0x0100 << i)) { - desc_handle_irq(irq, d); + generic_handle_irq(irq); } } @@ -222,12 +220,10 @@ static struct irq_chip locomo_chip = { static void locomo_key_handler(unsigned int irq, struct irq_desc *desc) { - struct irq_desc *d; void __iomem *mapbase = get_irq_chip_data(irq); if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) { - d = irq_desc + LOCOMO_IRQ_KEY_START; - desc_handle_irq(LOCOMO_IRQ_KEY_START, d); + generic_handle_irq(LOCOMO_IRQ_KEY_START); } } @@ -268,7 +264,6 @@ static struct irq_chip locomo_key_chip = { static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc) { int req, i; - struct irq_desc *d; void __iomem *mapbase = get_irq_chip_data(irq); req = locomo_readl(mapbase + LOCOMO_GIR) & @@ -277,10 +272,9 @@ static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc) if (req) { irq = LOCOMO_IRQ_GPIO_START; - d = irq_desc + LOCOMO_IRQ_GPIO_START; - for (i = 0; i <= 15; i++, irq++, d++) { + for (i = 0; i <= 15; i++, irq++) { if (req & (0x0001 << i)) { - desc_handle_irq(irq, d); + generic_handle_irq(irq); } } } @@ -361,12 +355,10 @@ static struct irq_chip locomo_gpio_chip = { static void locomo_lt_handler(unsigned int irq, struct irq_desc *desc) { - struct irq_desc *d; void __iomem *mapbase = get_irq_chip_data(irq); if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) { - d = irq_desc + LOCOMO_IRQ_LT_START; - desc_handle_irq(LOCOMO_IRQ_LT_START, d); + generic_handle_irq(LOCOMO_IRQ_LT_START); } } @@ -407,17 +399,15 @@ static struct irq_chip locomo_lt_chip = { static void locomo_spi_handler(unsigned int irq, struct irq_desc *desc) { int req, i; - struct irq_desc *d; void __iomem *mapbase = get_irq_chip_data(irq); req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F; if (req) { irq = LOCOMO_IRQ_SPI_START; - d = irq_desc + irq; - for (i = 0; i <= 3; i++, irq++, d++) { + for (i = 0; i <= 3; i++, irq++) { if (req & (0x0001 << i)) { - desc_handle_irq(irq, d); + generic_handle_irq(irq); } } } diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index 7a50575a8d4d..60c079d85355 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -587,8 +587,7 @@ ecard_irq_handler(unsigned int irq, struct irq_desc *desc) pending = ecard_default_ops.irqpending(ec); if (pending) { - struct irq_desc *d = irq_desc + ec->irq; - desc_handle_irq(ec->irq, d); + generic_handle_irq(ec->irq); called ++; } } @@ -622,7 +621,6 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc) ecard_t *ec = slot_to_ecard(slot); if (ec->claimed) { - struct irq_desc *d = irq_desc + ec->irq; /* * this ugly code is so that we can operate a * prioritorising system: @@ -635,7 +633,7 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc) * Serial cards should go in 0/1, ethernet/scsi in 2/3 * otherwise you will lose serial data at high speeds! */ - desc_handle_irq(ec->irq, d); + generic_handle_irq(ec->irq); } else { printk(KERN_WARNING "card%d: interrupt from unclaimed " "card???\n", slot); diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index f88efb135b70..2f3eb795fa6e 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -112,18 +112,17 @@ static struct irq_desc bad_irq_desc = { asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); - struct irq_desc *desc = irq_desc + irq; + + irq_enter(); /* * Some hardware gives randomly wrong interrupts. Rather * than crashing, do something sensible. */ if (irq >= NR_IRQS) - desc = &bad_irq_desc; - - irq_enter(); - - desc_handle_irq(irq, desc); + handle_bad_irq(irq, &bad_irq_desc); + else + generic_handle_irq(irq); /* AT91 specific workaround */ irq_finish(irq); diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index 8392d5b517f1..94c2f96811f9 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -404,7 +404,6 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) } pin = bank->chipbase; - gpio = &irq_desc[pin]; while (isr) { if (isr & 1) { @@ -417,7 +416,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) gpio_irq_mask(pin); } else - desc_handle_irq(pin, gpio); + generic_handle_irq(pin); } pin++; gpio++; diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index c9cb4f09b18f..574cb810a500 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -201,7 +201,6 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc) desc->chip->ack(irq); while (1) { u32 status; - struct irq_desc *gpio; int n; int res; @@ -215,12 +214,10 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc) /* now demux them to the right lowlevel handler */ n = (int)get_irq_data(irq); - gpio = &irq_desc[n]; while (status) { res = ffs(status); n += res; - gpio += res; - desc_handle_irq(n - 1, gpio - 1); + generic_handle_irq(n - 1); status >>= res; } } diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index f99f43669392..68ee82b49597 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -192,8 +192,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) for (i = 0; i < 8; i++) { if (status & (1 << i)) { int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i; - desc = irq_desc + gpio_irq; - desc_handle_irq(gpio_irq, desc); + generic_handle_irq(gpio_irq); } } @@ -202,7 +201,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) if (status & (1 << i)) { int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i; desc = irq_desc + gpio_irq; - desc_handle_irq(gpio_irq, desc); + generic_handle_irq(gpio_irq); } } } @@ -217,7 +216,7 @@ static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc) int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */ int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx; - desc_handle_irq(gpio_irq, irq_desc + gpio_irq); + generic_handle_irq(gpio_irq); } static void ep93xx_gpio_irq_ack(unsigned int irq) diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c index 7132e522c366..d5a29a0e7d9d 100644 --- a/arch/arm/mach-footbridge/isa-irq.c +++ b/arch/arm/mach-footbridge/isa-irq.c @@ -94,8 +94,7 @@ isa_irq_handler(unsigned int irq, struct irq_desc *desc) return; } - desc = irq_desc + isa_irq; - desc_handle_irq(isa_irq, desc); + generic_handle_irq(isa_irq); } static struct irqaction irq_cascade = { diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c index b5f9741ae13c..c1fa44cff38d 100644 --- a/arch/arm/mach-h720x/common.c +++ b/arch/arm/mach-h720x/common.c @@ -104,14 +104,12 @@ h720x_gpio_handler(unsigned int mask, unsigned int irq, struct irq_desc *desc) { IRQDBG("%s irq: %d\n", __func__, irq); - desc = irq_desc + irq; while (mask) { if (mask & 1) { IRQDBG("handling irq %d\n", irq); - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } irq++; - desc++; mask >>= 1; } } diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c index 53e1f62f2e79..fd33a19c813a 100644 --- a/arch/arm/mach-h720x/cpu-h7202.c +++ b/arch/arm/mach-h720x/cpu-h7202.c @@ -120,12 +120,10 @@ h7202_timerx_demux_handler(unsigned int irq_unused, struct irq_desc *desc) mask >>= 1; irq = IRQ_TIMER1; - desc = irq_desc + irq; while (mask) { if (mask & 1) - desc_handle_irq(irq, desc); + generic_handle_irq(irq); irq++; - desc++; mask >>= 1; } } diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c index 798f221eb3b7..cbdd7d1dac92 100644 --- a/arch/arm/mach-imx/irq.c +++ b/arch/arm/mach-imx/irq.c @@ -182,14 +182,12 @@ static void imx_gpio_handler(unsigned int mask, unsigned int irq, struct irq_desc *desc) { - desc = irq_desc + irq; while (mask) { if (mask & 1) { DEBUG_IRQ("handling irq %d\n", irq); - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } irq++; - desc++; mask >>= 1; } } diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 6b99e9c258bd..0c9a91d6ec83 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -217,8 +217,7 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc) irq += IRQ_SIC_START; - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } while (status); } diff --git a/arch/arm/mach-iop13xx/msi.c b/arch/arm/mach-iop13xx/msi.c index 63ef1124ca5c..f34b0ed80630 100644 --- a/arch/arm/mach-iop13xx/msi.c +++ b/arch/arm/mach-iop13xx/msi.c @@ -110,8 +110,7 @@ static void iop13xx_msi_handler(unsigned int irq, struct irq_desc *desc) do { j = find_first_bit(&status, 32); (write_imipr[i])(1 << j); /* write back to clear bit */ - desc = irq_desc + IRQ_IOP13XX_MSI_0 + j + (32*i); - desc_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i), desc); + generic_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i)); status = (read_imipr[i])(); } while (status); } diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index a6a4f93085fd..e193a34e4175 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -311,8 +311,7 @@ static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc) for (i = 0; i <= 7; i++) { if (status & (1<= 0; i--) { if(status & (1 << i)) { - desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i; - desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc); + generic_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i); } } } diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c index 5a781fd9757a..4c749d490241 100644 --- a/arch/arm/mach-ixp2000/ixdp2x00.c +++ b/arch/arm/mach-ixp2000/ixdp2x00.c @@ -129,10 +129,8 @@ static void ixdp2x00_irq_handler(unsigned int irq, struct irq_desc *desc) for(i = 0; i < board_irq_count; i++) { if(ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; int cpld_irq = IXP2000_BOARD_IRQ(0) + i; - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); + generic_handle_irq(cpld_irq); } } diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index 78a2341dee2c..b78c08d1f638 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -79,10 +79,8 @@ static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc) for (i = 0; i < IXP2000_BOARD_IRQS; i++) { if (ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; int cpld_irq = IXP2000_BOARD_IRQ(0) + i; - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); + generic_handle_irq(cpld_irq); } } diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c index 68b4ac5b2481..aa4c4420ff3d 100644 --- a/arch/arm/mach-ixp23xx/core.c +++ b/arch/arm/mach-ixp23xx/core.c @@ -253,7 +253,6 @@ static void pci_handler(unsigned int irq, struct irq_desc *desc) { u32 pci_interrupt; unsigned int irqno; - struct irq_desc *int_desc; pci_interrupt = *IXP23XX_PCI_XSCALE_INT_STATUS; @@ -268,8 +267,7 @@ static void pci_handler(unsigned int irq, struct irq_desc *desc) BUG(); } - int_desc = irq_desc + irqno; - desc_handle_irq(irqno, int_desc); + generic_handle_irq(irqno); desc->chip->unmask(irq); } diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c index b6e0bfa44df9..f1b124a709ab 100644 --- a/arch/arm/mach-ixp23xx/ixdp2351.c +++ b/arch/arm/mach-ixp23xx/ixdp2351.c @@ -68,11 +68,9 @@ static void ixdp2351_inta_handler(unsigned int irq, struct irq_desc *desc) for (i = 0; i < IXDP2351_INTA_IRQ_NUM; i++) { if (ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; int cpld_irq = IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i); - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); + generic_handle_irq(cpld_irq); } } @@ -105,11 +103,9 @@ static void ixdp2351_intb_handler(unsigned int irq, struct irq_desc *desc) for (i = 0; i < IXDP2351_INTB_IRQ_NUM; i++) { if (ex_interrupt & (1 << i)) { - struct irq_desc *cpld_desc; int cpld_irq = IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i); - cpld_desc = irq_desc + cpld_irq; - desc_handle_irq(cpld_irq, cpld_desc); + generic_handle_irq(cpld_irq); } } diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c index 551b97261826..3d7bd50b9095 100644 --- a/arch/arm/mach-lh7a40x/arch-kev7a400.c +++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c @@ -77,7 +77,7 @@ static void kev7a400_cpld_handler (unsigned int irq, struct irq_desc *desc) irq = IRQ_KEV7A400_CPLD; for (; mask; mask >>= 1, ++irq) if (mask & 1) - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } void __init lh7a40x_init_board_irq (void) diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c index e373fb8e2699..cb15e5d32120 100644 --- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c @@ -214,11 +214,11 @@ static void lpd7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc) desc->chip->ack (irq); if ((mask & (1<<0)) == 0) /* WLAN */ - IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT); + generic_handle_irq(IRQ_LPD7A40X_ETH_INT); #if defined (IRQ_TOUCH) if ((mask & (1<<1)) == 0) /* Touch */ - IRQ_DISPATCH (IRQ_TOUCH); + generic_handle_irq(IRQ_TOUCH); #endif desc->chip->unmask (irq); /* Level-triggered need this */ diff --git a/arch/arm/mach-lh7a40x/common.h b/arch/arm/mach-lh7a40x/common.h index 0ca20c6c83b7..6ed3f6b6db76 100644 --- a/arch/arm/mach-lh7a40x/common.h +++ b/arch/arm/mach-lh7a40x/common.h @@ -15,4 +15,3 @@ extern void lh7a404_init_irq (void); extern void lh7a40x_clcd_init (void); extern void lh7a40x_init_board_irq (void); -#define IRQ_DISPATCH(irq) desc_handle_irq((irq),(irq_desc + irq)) diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c index 0d5063ebda10..fd033bb4342f 100644 --- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c +++ b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c @@ -63,10 +63,10 @@ static void lh7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc) desc->chip->ack (irq); if ((mask & 0x1) == 0) /* WLAN */ - IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT); + generic_handle_irq(IRQ_LPD7A40X_ETH_INT); if ((mask & 0x2) == 0) /* Touch */ - IRQ_DISPATCH (IRQ_LPD7A400_TS); + generic_handle_irq(IRQ_LPD7A400_TS); desc->chip->unmask (irq); /* Level-triggered need this */ } diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c index 1b40483ea753..3830eca2438a 100644 --- a/arch/arm/mach-netx/generic.c +++ b/arch/arm/mach-netx/generic.c @@ -77,15 +77,12 @@ netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc) stat = ((readl(NETX_DPMAS_INT_EN) & readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f; - desc = irq_desc + NETX_IRQ_HIF_CHAINED(0); - while (stat) { if (stat & 1) { DEBUG_IRQ("handling irq %d\n", irq); - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } irq++; - desc++; stat >>= 1; } } diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c index a22a608a7aba..b45bb3b802f1 100644 --- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c +++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c @@ -86,13 +86,10 @@ static void a9m9750dev_fpga_demux_handler(unsigned int irq, while (stat != 0) { int irqno = fls(stat) - 1; - struct irq_desc *fpgadesc; stat &= ~(1 << irqno); - fpgadesc = irq_desc + FPGA_IRQ(irqno); - - desc_handle_irq(FPGA_IRQ(irqno), fpgadesc); + generic_handle_irq(FPGA_IRQ(irqno)); } desc->chip->unmask(irq); diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 213b48787102..45a01311669a 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c index 4449d86095f6..23f2c3aeb384 100644 --- a/arch/arm/mach-omap1/fpga.c +++ b/arch/arm/mach-omap1/fpga.c @@ -86,7 +86,6 @@ static void fpga_mask_ack_irq(unsigned int irq) void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc) { - struct irq_desc *d; u32 stat; int fpga_irq; @@ -99,8 +98,7 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc) (fpga_irq < OMAP_FPGA_IRQ_END) && stat; fpga_irq++, stat >>= 1) { if (stat & 1) { - d = irq_desc + fpga_irq; - desc_handle_irq(fpga_irq, d); + generic_handle_irq(fpga_irq); } } } diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c index 2545ff9e5830..15f27aa7f53e 100644 --- a/arch/arm/mach-orion5x/irq.c +++ b/arch/arm/mach-orion5x/irq.c @@ -162,7 +162,7 @@ static void orion5x_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) polarity ^= 1 << pin; writel(polarity, GPIO_IN_POL); } - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } } } diff --git a/arch/arm/mach-pxa/gpio.c b/arch/arm/mach-pxa/gpio.c index 07acc1b23857..e92bec510e5e 100644 --- a/arch/arm/mach-pxa/gpio.c +++ b/arch/arm/mach-pxa/gpio.c @@ -275,7 +275,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) loop = 1; n = PXA_GPIO_IRQ_BASE + bit; - desc_handle_irq(n, irq_desc + n); + generic_handle_irq(n); bit = find_next_bit(gedr, GEDR_BITS, bit + 1); } diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index 92728a37298a..de3f67daaacf 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -125,8 +125,7 @@ static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc) GEDR(0) = GPIO_bit(0); /* clear useless edge notification */ if (likely(pending)) { irq = LPD270_IRQ(0) + __ffs(pending); - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled; diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index ecbfbb9f46a2..bff704354c1a 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -155,8 +155,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc) GEDR(0) = GPIO_bit(0); /* clear our parent irq */ if (likely(pending)) { irq = LUBBOCK_IRQ(0) + __ffs(pending); - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; } while (pending); diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index a02edfd4fc0a..f2c7ad8f2b6b 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -162,8 +162,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc) GEDR(0) = GPIO_bit(0); /* clear useless edge notification */ if (likely(pending)) { irq = MAINSTONE_IRQ(0) + __ffs(pending); - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } pending = MST_INTSETCLR & mainstone_irq_enabled; } while (pending); diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index e9efb80bb339..f601425f1b1e 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -262,8 +262,7 @@ static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc) GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO); if (likely(pending)) { irq = PCM027_IRQ(0) + __ffs(pending); - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled; } while (pending); diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c index c66021b5fa4d..44140bd99ed3 100644 --- a/arch/arm/mach-s3c2410/bast-irq.c +++ b/arch/arm/mach-s3c2410/bast-irq.c @@ -130,8 +130,7 @@ bast_irq_pc104_demux(unsigned int irq, for (i = 0; stat != 0; i++, stat >>= 1) { if (stat & 1) { irqno = bast_pc104_irqs[i]; - desc = irq_desc + irqno; - desc_handle_irq(irqno, desc); + generic_handle_irq(irqno); } } } diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c index ac62b79044f4..72159d31966e 100644 --- a/arch/arm/mach-s3c2412/irq.c +++ b/arch/arm/mach-s3c2412/irq.c @@ -123,10 +123,10 @@ static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc) subsrc &= ~submsk; if (subsrc & INTBIT(IRQ_S3C2412_SDI)) - desc_handle_irq(IRQ_S3C2412_SDI, irq_desc + IRQ_S3C2412_SDI); + generic_handle_irq(IRQ_S3C2412_SDI); if (subsrc & INTBIT(IRQ_S3C2412_CF)) - desc_handle_irq(IRQ_S3C2412_CF, irq_desc + IRQ_S3C2412_CF); + generic_handle_irq(IRQ_S3C2412_CF); } #define INTMSK_CFSDI (1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0)) diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c index 276b823f4e27..ad68b4d88353 100644 --- a/arch/arm/mach-s3c2440/irq.c +++ b/arch/arm/mach-s3c2440/irq.c @@ -44,7 +44,6 @@ static void s3c_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc) { unsigned int subsrc, submsk; - struct irq_desc *mydesc; /* read the current pending interrupts, and the mask * for what it is available */ @@ -58,12 +57,10 @@ static void s3c_irq_demux_wdtac97(unsigned int irq, if (subsrc != 0) { if (subsrc & 1) { - mydesc = irq_desc + IRQ_S3C2440_WDT; - desc_handle_irq(IRQ_S3C2440_WDT, mydesc); + generic_handle_irq(IRQ_S3C2440_WDT); } if (subsrc & 2) { - mydesc = irq_desc + IRQ_S3C2440_AC97; - desc_handle_irq(IRQ_S3C2440_AC97, mydesc); + generic_handle_irq(IRQ_S3C2440_AC97); } } } diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c index 9674de7223fd..1570d3a6e15f 100644 --- a/arch/arm/mach-s3c2443/irq.c +++ b/arch/arm/mach-s3c2443/irq.c @@ -44,7 +44,6 @@ static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len) { unsigned int subsrc, submsk; unsigned int end; - struct irq_desc *mydesc; /* read the current pending interrupts, and the mask * for what it is available */ @@ -57,13 +56,11 @@ static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len) subsrc &= (1 << len)-1; end = len + irq; - mydesc = irq_desc + irq; for (; irq < end && subsrc; irq++) { if (subsrc & 1) - desc_handle_irq(irq, mydesc); + generic_handle_irq(irq); - mydesc++; subsrc >>= 1; } } diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c index 86369a8f0cea..3093d46a9c6f 100644 --- a/arch/arm/mach-sa1100/irq.c +++ b/arch/arm/mach-sa1100/irq.c @@ -122,14 +122,12 @@ sa1100_high_gpio_handler(unsigned int irq, struct irq_desc *desc) GEDR = mask; irq = IRQ_GPIO11; - desc = irq_desc + irq; mask >>= 11; do { if (mask & 1) - desc_handle_irq(irq, desc); + generic_handle_irq(irq); mask >>= 1; irq++; - desc++; } while (mask); mask = GEDR & 0xfffff800; diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index 4856a6bd2482..6ccd175bc4cf 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -33,8 +33,6 @@ neponset_irq_handler(unsigned int irq, struct irq_desc *desc) unsigned int irr; while (1) { - struct irq_desc *d; - /* * Acknowledge the parent IRQ. */ @@ -67,21 +65,18 @@ neponset_irq_handler(unsigned int irq, struct irq_desc *desc) desc->chip->ack(irq); if (irr & IRR_ETHERNET) { - d = irq_desc + IRQ_NEPONSET_SMC9196; - desc_handle_irq(IRQ_NEPONSET_SMC9196, d); + generic_handle_irq(IRQ_NEPONSET_SMC9196); } if (irr & IRR_USAR) { - d = irq_desc + IRQ_NEPONSET_USAR; - desc_handle_irq(IRQ_NEPONSET_USAR, d); + generic_handle_irq(IRQ_NEPONSET_USAR); } desc->chip->unmask(irq); } if (irr & IRR_SA1111) { - d = irq_desc + IRQ_NEPONSET_SA1111; - desc_handle_irq(IRQ_NEPONSET_SA1111, d); + generic_handle_irq(IRQ_NEPONSET_SA1111); } } } diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index d75e795c893e..c3468bf2841e 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -95,8 +95,7 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc) irq += IRQ_SIC_START; - desc = irq_desc + irq; - desc_handle_irq(irq, desc); + generic_handle_irq(irq); } while (status); } diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index 9e1341ebc14e..960040aa71f7 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -1051,13 +1051,10 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) gpio_irq = bank->virtual_irq_start; for (; isr != 0; isr >>= 1, gpio_irq++) { - struct irq_desc *d; - if (!(isr & 1)) continue; - d = irq_desc + gpio_irq; - desc_handle_irq(gpio_irq, d); + generic_handle_irq(gpio_irq); } } /* if bank has any level sensitive GPIO pin interrupt diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c index 36cefe176835..b6c84f4f7a12 100644 --- a/arch/arm/plat-s3c24xx/irq.c +++ b/arch/arm/plat-s3c24xx/irq.c @@ -468,7 +468,6 @@ static void s3c_irq_demux_adc(unsigned int irq, { unsigned int subsrc, submsk; unsigned int offset = 9; - struct irq_desc *mydesc; /* read the current pending interrupts, and the mask * for what it is available */ @@ -482,12 +481,10 @@ static void s3c_irq_demux_adc(unsigned int irq, if (subsrc != 0) { if (subsrc & 1) { - mydesc = irq_desc + IRQ_TC; - desc_handle_irq(IRQ_TC, mydesc); + generic_handle_irq(IRQ_TC); } if (subsrc & 2) { - mydesc = irq_desc + IRQ_ADC; - desc_handle_irq(IRQ_ADC, mydesc); + generic_handle_irq(IRQ_ADC); } } } @@ -496,7 +493,6 @@ static void s3c_irq_demux_uart(unsigned int start) { unsigned int subsrc, submsk; unsigned int offset = start - IRQ_S3CUART_RX0; - struct irq_desc *desc; /* read the current pending interrupts, and the mask * for what it is available */ @@ -512,20 +508,14 @@ static void s3c_irq_demux_uart(unsigned int start) subsrc &= 7; if (subsrc != 0) { - desc = irq_desc + start; - if (subsrc & 1) - desc_handle_irq(start, desc); - - desc++; + generic_handle_irq(start); if (subsrc & 2) - desc_handle_irq(start+1, desc); - - desc++; + generic_handle_irq(start+1); if (subsrc & 4) - desc_handle_irq(start+2, desc); + generic_handle_irq(start+2); } } @@ -572,7 +562,7 @@ s3c_irq_demux_extint8(unsigned int irq, eintpnd &= ~(1< Date: Fri, 29 Aug 2008 15:53:24 +0100 Subject: [PATCH 3280/6244] [ARM] 5239/1: Palm Zire 72 power management support This patch contains Palm Zire 72 power management support. Depends on #5238/1 Signed-off-by: Sergey Lapin Signed-off-by: Russell King --- arch/arm/mach-pxa/include/mach/palmz72.h | 13 +++++ arch/arm/mach-pxa/palmz72.c | 74 ++++++++++++++++++++++++ 2 files changed, 87 insertions(+) diff --git a/arch/arm/mach-pxa/include/mach/palmz72.h b/arch/arm/mach-pxa/include/mach/palmz72.h index 8fd30bcecb7c..5032307ebf7d 100644 --- a/arch/arm/mach-pxa/include/mach/palmz72.h +++ b/arch/arm/mach-pxa/include/mach/palmz72.h @@ -63,5 +63,18 @@ #define PALMZ72_PRESCALER 0x3F #define PALMZ72_PERIOD_NS 3500 +#ifdef CONFIG_PM +struct palmz72_resume_info { + u32 magic0; /* 0x0 */ + u32 magic1; /* 0x4 */ + u32 resume_addr; /* 0x8 */ + u32 pad[11]; /* 0xc..0x37 */ + u32 arm_control; /* 0x38 */ + u32 aux_control; /* 0x3c */ + u32 ttb; /* 0x40 */ + u32 domain_access; /* 0x44 */ + u32 process_id; /* 0x48 */ +}; +#endif #endif diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c index a90b4d77a201..2f730da3bba8 100644 --- a/arch/arm/mach-pxa/palmz72.c +++ b/arch/arm/mach-pxa/palmz72.c @@ -449,6 +449,80 @@ static struct pxafb_mach_info palmz72_lcd_screen = { .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; +#ifdef CONFIG_PM + +/* We have some black magic here + * PalmOS ROM on recover expects special struct physical address + * to be transferred via PSPR. Using this struct PalmOS restores + * its state after sleep. As for Linux, we need to setup it the + * same way. More than that, PalmOS ROM changes some values in memory. + * For now only one location is found, which needs special treatment. + * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people + * for reading backtraces for me :) + */ + +#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050) + +static struct palmz72_resume_info palmz72_resume_info = { + .magic0 = 0xb4e6, + .magic1 = 1, + + /* reset state, MMU off etc */ + .arm_control = 0, + .aux_control = 0, + .ttb = 0, + .domain_access = 0, + .process_id = 0, +}; + +static unsigned long store_ptr; + +/* sys_device for Palm Zire 72 PM */ + +static int palmz72_pm_suspend(struct sys_device *dev, pm_message_t msg) +{ + /* setup the resume_info struct for the original bootloader */ + palmz72_resume_info.resume_addr = (u32) pxa_cpu_resume; + + /* Storing memory touched by ROM */ + store_ptr = *PALMZ72_SAVE_DWORD; + + /* Setting PSPR to a proper value */ + PSPR = virt_to_phys(&palmz72_resume_info); + + return 0; +} + +static int palmz72_pm_resume(struct sys_device *dev) +{ + *PALMZ72_SAVE_DWORD = store_ptr; + return 0; +} + +static struct sysdev_class palmz72_pm_sysclass = { + .name = "palmz72_pm", + .suspend = palmz72_pm_suspend, + .resume = palmz72_pm_resume, +}; + +static struct sys_device palmz72_pm_device = { + .cls = &palmz72_pm_sysclass, +}; + +static int __init palmz72_pm_init(void) +{ + int ret = -ENODEV; + if (machine_is_palmz72()) { + ret = sysdev_class_register(&palmz72_pm_sysclass); + if (ret == 0) + ret = sysdev_register(&palmz72_pm_device); + } + return ret; +} + +device_initcall(palmz72_pm_init); +#endif + /****************************************************************************** * Machine init ******************************************************************************/ -- GitLab From 2e7509e5b3acc4b8653faa1966e5ac234d36ac82 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Thu, 9 Oct 2008 17:51:28 +0300 Subject: [PATCH 3281/6244] ARM: OMAP2: Fix sparse, checkpatch warnings in OMAP2/3 IRQ code Fix sparse warnings in mach-omap2/irq.c. Fix by defining intc_bank_write_reg() and intc_bank_read_reg(), and convert INTC module register access to use them rather than __raw_{read,write}l. Also clear up some checkpatch warnings involving includes from asm/ rather than linux/. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/irq.c | 69 +++++++++++++++++++++++---------------- 1 file changed, 40 insertions(+), 29 deletions(-) diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index a5c748a4a56d..c39e26dc5ee3 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -13,17 +13,23 @@ #include #include #include +#include #include #include -#include -#include -#define INTC_REVISION 0x0000 -#define INTC_SYSCONFIG 0x0010 -#define INTC_SYSSTATUS 0x0014 -#define INTC_CONTROL 0x0048 -#define INTC_MIR_CLEAR0 0x0088 -#define INTC_MIR_SET0 0x008c + +/* selected INTC register offsets */ + +#define INTC_REVISION 0x0000 +#define INTC_SYSCONFIG 0x0010 +#define INTC_SYSSTATUS 0x0014 +#define INTC_CONTROL 0x0048 +#define INTC_MIR_CLEAR0 0x0088 +#define INTC_MIR_SET0 0x008c +#define INTC_PENDING_IRQ0 0x0098 + +/* Number of IRQ state bits in each MIR register */ +#define IRQ_BITS_PER_REG 32 /* * OMAP2 has a number of different interrupt controllers, each interrupt @@ -42,36 +48,40 @@ static struct omap_irq_bank { }, }; +/* INTC bank register get/set */ + +static void intc_bank_write_reg(u32 val, struct omap_irq_bank *bank, u16 reg) +{ + __raw_writel(val, bank->base_reg + reg); +} + +static u32 intc_bank_read_reg(struct omap_irq_bank *bank, u16 reg) +{ + return __raw_readl(bank->base_reg + reg); +} + /* XXX: FIQ and additional INTC support (only MPU at the moment) */ static void omap_ack_irq(unsigned int irq) { - __raw_writel(0x1, irq_banks[0].base_reg + INTC_CONTROL); + intc_bank_write_reg(0x1, &irq_banks[0], INTC_CONTROL); } static void omap_mask_irq(unsigned int irq) { - int offset = (irq >> 5) << 5; + int offset = irq & (~(IRQ_BITS_PER_REG - 1)); - if (irq >= 64) { - irq %= 64; - } else if (irq >= 32) { - irq %= 32; - } + irq &= (IRQ_BITS_PER_REG - 1); - __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_SET0 + offset); + intc_bank_write_reg(1 << irq, &irq_banks[0], INTC_MIR_SET0 + offset); } static void omap_unmask_irq(unsigned int irq) { - int offset = (irq >> 5) << 5; + int offset = irq & (~(IRQ_BITS_PER_REG - 1)); - if (irq >= 64) { - irq %= 64; - } else if (irq >= 32) { - irq %= 32; - } + irq &= (IRQ_BITS_PER_REG - 1); - __raw_writel(1 << irq, irq_banks[0].base_reg + INTC_MIR_CLEAR0 + offset); + intc_bank_write_reg(1 << irq, &irq_banks[0], INTC_MIR_CLEAR0 + offset); } static void omap_mask_ack_irq(unsigned int irq) @@ -91,20 +101,20 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank) { unsigned long tmp; - tmp = __raw_readl(bank->base_reg + INTC_REVISION) & 0xff; + tmp = intc_bank_read_reg(bank, INTC_REVISION) & 0xff; printk(KERN_INFO "IRQ: Found an INTC at 0x%p " "(revision %ld.%ld) with %d interrupts\n", bank->base_reg, tmp >> 4, tmp & 0xf, bank->nr_irqs); - tmp = __raw_readl(bank->base_reg + INTC_SYSCONFIG); + tmp = intc_bank_read_reg(bank, INTC_SYSCONFIG); tmp |= 1 << 1; /* soft reset */ - __raw_writel(tmp, bank->base_reg + INTC_SYSCONFIG); + intc_bank_write_reg(tmp, bank, INTC_SYSCONFIG); - while (!(__raw_readl(bank->base_reg + INTC_SYSSTATUS) & 0x1)) + while (!(intc_bank_read_reg(bank, INTC_SYSSTATUS) & 0x1)) /* Wait for reset to complete */; /* Enable autoidle */ - __raw_writel(1 << 0, bank->base_reg + INTC_SYSCONFIG); + intc_bank_write_reg(1 << 0, bank, INTC_SYSCONFIG); } void __init omap_init_irq(void) @@ -117,7 +127,8 @@ void __init omap_init_irq(void) struct omap_irq_bank *bank = irq_banks + i; if (cpu_is_omap24xx()) - bank->base_reg = IO_ADDRESS(OMAP24XX_IC_BASE); + bank->base_reg = OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE); + omap_irq_bank_init_one(bank); nr_irqs += bank->nr_irqs; -- GitLab From cc26b3b01bc96a8b8c36671b0dc4898b2a152ea8 Mon Sep 17 00:00:00 2001 From: "Syed Mohammed, Khasim" Date: Thu, 9 Oct 2008 17:51:41 +0300 Subject: [PATCH 3282/6244] ARM: OMAP3: Add minimal omap3430 support Add minimal omap3430 support based on earlier patches from Syed Mohammed Khasim. Also merge in omap34xx SRAM support from Karthik Dasu and use consistent naming for sram init functions. Also do following changes that make 34xx support usable: - Remove unused sram.c functions for 34xx - Rename IRQ_SIR_IRQ to INTCPS_SIR_IRQ and define it locally in entry-macro.S - Update mach-omap2/io.c to support 2420, 2430, and 34xx - Also merge in 34xx GPMC changes to add fields wr_access and wr_data_mux_bus from Adrian Hunter - Remove memory initialization call omap2_init_memory() until until more generic memory initialization patches are posted. It's OK to rely on bootloader initialization until then. Signed-off-by: Syed Mohammed, Khasim Signed-off-by: Karthik Dasu Signed-off-by: Adrian Hunter Signed-off-by: Tony Lindgren --- arch/arm/Makefile | 1 + arch/arm/mach-omap2/Kconfig | 11 +- arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/gpmc.c | 5 + arch/arm/mach-omap2/io.c | 126 ++++++++++-- arch/arm/mach-omap2/irq.c | 2 + arch/arm/mach-omap2/memory.c | 14 ++ arch/arm/mach-omap2/mux.c | 67 +++++-- arch/arm/mach-omap2/sram34xx.S | 179 ++++++++++++++++++ arch/arm/plat-omap/Kconfig | 9 +- arch/arm/plat-omap/devices.c | 15 +- arch/arm/plat-omap/include/mach/debug-macro.S | 12 ++ arch/arm/plat-omap/include/mach/entry-macro.S | 12 +- arch/arm/plat-omap/include/mach/gpmc.h | 4 + arch/arm/plat-omap/include/mach/io.h | 3 - arch/arm/plat-omap/include/mach/irqs.h | 35 ++++ arch/arm/plat-omap/include/mach/mcbsp.h | 2 +- arch/arm/plat-omap/include/mach/memory.h | 2 +- arch/arm/plat-omap/include/mach/mux.h | 26 ++- arch/arm/plat-omap/include/mach/omap24xx.h | 1 - arch/arm/plat-omap/include/mach/sdrc.h | 4 +- arch/arm/plat-omap/include/mach/sram.h | 10 + arch/arm/plat-omap/include/mach/system.h | 2 +- arch/arm/plat-omap/io.c | 32 +++- arch/arm/plat-omap/sram.c | 53 ++---- 25 files changed, 538 insertions(+), 90 deletions(-) create mode 100644 arch/arm/mach-omap2/sram34xx.S diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 703a44fa0f9b..552ea6d71ea2 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -118,6 +118,7 @@ endif machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx machine-$(CONFIG_ARCH_OMAP1) := omap1 machine-$(CONFIG_ARCH_OMAP2) := omap2 + machine-$(CONFIG_ARCH_OMAP3) := omap2 plat-$(CONFIG_ARCH_OMAP) := omap machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 7069c9d536f1..e2481e4045e7 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -15,8 +15,17 @@ config ARCH_OMAP2430 bool "OMAP2430 support" depends on ARCH_OMAP24XX +config ARCH_OMAP34XX + bool "OMAP34xx Based System" + depends on ARCH_OMAP3 + +config ARCH_OMAP3430 + bool "OMAP3430 support" + depends on ARCH_OMAP3 && ARCH_OMAP34XX + select ARCH_OMAP_OTG + comment "OMAP Board Type" - depends on ARCH_OMAP2 + depends on ARCH_OMAP2 || ARCH_OMAP3 config MACH_OMAP_GENERIC bool "Generic OMAP board" diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 800639e7c6a4..0dc40db38119 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o # Functions loaded to SRAM obj-$(CONFIG_ARCH_OMAP2420) += sram242x.o obj-$(CONFIG_ARCH_OMAP2430) += sram243x.o +obj-$(CONFIG_ARCH_OMAP3) += sram34xx.o # Power Management ifeq ($(CONFIG_PM),y) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 149bfba43cfe..375ad27479cc 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -220,6 +220,11 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) GPMC_SET_ONE(GPMC_CS_CONFIG5, 24, 27, page_burst_access); + if (cpu_is_omap34xx()) { + GPMC_SET_ONE(GPMC_CS_CONFIG6, 16, 19, wr_data_mux_bus); + GPMC_SET_ONE(GPMC_CS_CONFIG6, 24, 28, wr_access); + } + /* caller is expected to have initialized CONFIG1 to cover * at least sync vs async */ diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 03c6ab1a3b1f..71a9de382d2d 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -43,7 +43,9 @@ * The machine specific code may provide the extra mapping besides the * default mapping provided here. */ -static struct map_desc omap2_io_desc[] __initdata = { + +#ifdef CONFIG_ARCH_OMAP24XX +static struct map_desc omap24xx_io_desc[] __initdata = { { .virtual = L3_24XX_VIRT, .pfn = __phys_to_pfn(L3_24XX_PHYS), @@ -51,12 +53,39 @@ static struct map_desc omap2_io_desc[] __initdata = { .type = MT_DEVICE }, { - .virtual = L4_24XX_VIRT, - .pfn = __phys_to_pfn(L4_24XX_PHYS), - .length = L4_24XX_SIZE, - .type = MT_DEVICE + .virtual = L4_24XX_VIRT, + .pfn = __phys_to_pfn(L4_24XX_PHYS), + .length = L4_24XX_SIZE, + .type = MT_DEVICE + }, +}; + +#ifdef CONFIG_ARCH_OMAP2420 +static struct map_desc omap242x_io_desc[] __initdata = { + { + .virtual = DSP_MEM_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), + .length = DSP_MEM_24XX_SIZE, + .type = MT_DEVICE + }, + { + .virtual = DSP_IPI_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS), + .length = DSP_IPI_24XX_SIZE, + .type = MT_DEVICE }, + { + .virtual = DSP_MMU_24XX_VIRT, + .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS), + .length = DSP_MMU_24XX_SIZE, + .type = MT_DEVICE + }, +}; + +#endif + #ifdef CONFIG_ARCH_OMAP2430 +static struct map_desc omap243x_io_desc[] __initdata = { { .virtual = L4_WK_243X_VIRT, .pfn = __phys_to_pfn(L4_WK_243X_PHYS), @@ -69,30 +98,90 @@ static struct map_desc omap2_io_desc[] __initdata = { .length = OMAP243X_GPMC_SIZE, .type = MT_DEVICE }, + { + .virtual = OMAP243X_SDRC_VIRT, + .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS), + .length = OMAP243X_SDRC_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP243X_SMS_VIRT, + .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS), + .length = OMAP243X_SMS_SIZE, + .type = MT_DEVICE + }, +}; #endif +#endif + +#ifdef CONFIG_ARCH_OMAP34XX +static struct map_desc omap34xx_io_desc[] __initdata = { { - .virtual = DSP_MEM_24XX_VIRT, - .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS), - .length = DSP_MEM_24XX_SIZE, + .virtual = L3_34XX_VIRT, + .pfn = __phys_to_pfn(L3_34XX_PHYS), + .length = L3_34XX_SIZE, .type = MT_DEVICE }, { - .virtual = DSP_IPI_24XX_VIRT, - .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS), - .length = DSP_IPI_24XX_SIZE, + .virtual = L4_34XX_VIRT, + .pfn = __phys_to_pfn(L4_34XX_PHYS), + .length = L4_34XX_SIZE, .type = MT_DEVICE }, { - .virtual = DSP_MMU_24XX_VIRT, - .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS), - .length = DSP_MMU_24XX_SIZE, + .virtual = L4_WK_34XX_VIRT, + .pfn = __phys_to_pfn(L4_WK_34XX_PHYS), + .length = L4_WK_34XX_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP34XX_GPMC_VIRT, + .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS), + .length = OMAP34XX_GPMC_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP343X_SMS_VIRT, + .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS), + .length = OMAP343X_SMS_SIZE, + .type = MT_DEVICE + }, + { + .virtual = OMAP343X_SDRC_VIRT, + .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS), + .length = OMAP343X_SDRC_SIZE, .type = MT_DEVICE - } + }, + { + .virtual = L4_PER_34XX_VIRT, + .pfn = __phys_to_pfn(L4_PER_34XX_PHYS), + .length = L4_PER_34XX_SIZE, + .type = MT_DEVICE + }, + { + .virtual = L4_EMU_34XX_VIRT, + .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS), + .length = L4_EMU_34XX_SIZE, + .type = MT_DEVICE + }, }; +#endif void __init omap2_map_common_io(void) { - iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc)); +#if defined(CONFIG_ARCH_OMAP2420) + iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); + iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc)); +#endif + +#if defined(CONFIG_ARCH_OMAP2430) + iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc)); + iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc)); +#endif + +#if defined(CONFIG_ARCH_OMAP34XX) + iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc)); +#endif /* Normally devicemaps_init() would flush caches and tlb after * mdesc->map_io(), but we must also do it here because of the CPU @@ -112,11 +201,6 @@ void __init omap2_init_common_hw(void) pwrdm_init(powerdomains_omap); clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); omap2_clk_init(); -/* - * Need to Fix this for 2430 - */ -#ifndef CONFIG_ARCH_OMAP2430 omap2_init_memory(); -#endif gpmc_init(); } diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index c39e26dc5ee3..d354e0fe4477 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -128,6 +128,8 @@ void __init omap_init_irq(void) if (cpu_is_omap24xx()) bank->base_reg = OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE); + else if (cpu_is_omap34xx()) + bank->base_reg = OMAP2_IO_ADDRESS(OMAP34XX_IC_BASE); omap_irq_bank_init_one(bank); diff --git a/arch/arm/mach-omap2/memory.c b/arch/arm/mach-omap2/memory.c index 6b49cc9cbdcb..48b01f4cebc5 100644 --- a/arch/arm/mach-omap2/memory.c +++ b/arch/arm/mach-omap2/memory.c @@ -102,6 +102,17 @@ u32 omap2_reprogram_sdrc(u32 level, u32 force) return prev; } +#if !defined(CONFIG_ARCH_OMAP2) +void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, + u32 base_cs, u32 force_unlock) +{ +} +void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, + u32 mem_type) +{ +} +#endif + void omap2_init_memory_params(u32 force_lock_to_unlock_mode) { unsigned long dll_cnt; @@ -166,6 +177,9 @@ void __init omap2_init_memory(void) { u32 l; + if (!cpu_is_omap2420()) + return; + l = sms_read_reg(SMS_SYSCONFIG); l &= ~(0x3 << 3); l |= (0x2 << 3); diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 6188e2f97854..5558803cd99e 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -298,13 +298,13 @@ MUX_CFG_34XX("T2_3430_USB2HS_PHY_D7", 0x1d6, /* TLL - HSUSB: 12-pin TLL Port 1*/ MUX_CFG_34XX("Y8_3430_USB1HS_TLL_CLK", 0x5da, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) -MUX_CFG_34XX("Y9_3430_USB1HS_TLL_STP", 0x5d8, OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("Y9_3430_USB1HS_TLL_STP", 0x5d8, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLUP) MUX_CFG_34XX("AA14_3430_USB1HS_TLL_DIR", 0x5ec, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AA11_3430_USB1HS_TLL_NXT", 0x5ee, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("W13_3430_USB1HS_TLL_D0", 0x5dc, OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("W12_3430_USB1HS_TLL_D1", 0x5de, @@ -324,13 +324,13 @@ MUX_CFG_34XX("Y13_3430_USB1HS_TLL_D7", 0x5e2, /* TLL - HSUSB: 12-pin TLL Port 2*/ MUX_CFG_34XX("AA8_3430_USB2HS_TLL_CLK", 0x5f0, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) -MUX_CFG_34XX("AA10_3430_USB2HS_TLL_STP", 0x5f2, OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AA10_3430_USB2HS_TLL_STP", 0x5f2, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLUP) MUX_CFG_34XX("AA9_3430_USB2HS_TLL_DIR", 0x5f4, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AB11_3430_USB2HS_TLL_NXT", 0x5f6, - OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AB10_3430_USB2HS_TLL_D0", 0x5f8, OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AB9_3430_USB2HS_TLL_D1", 0x5fa, @@ -350,13 +350,13 @@ MUX_CFG_34XX("T2_3430_USB2HS_TLL_D7", 0x1d6, /* TLL - HSUSB: 12-pin TLL Port 3*/ MUX_CFG_34XX("AA6_3430_USB3HS_TLL_CLK", 0x180, - OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT) -MUX_CFG_34XX("AB3_3430_USB3HS_TLL_STP", 0x166, OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AB3_3430_USB3HS_TLL_STP", 0x166, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLUP) MUX_CFG_34XX("AA3_3430_USB3HS_TLL_DIR", 0x168, - OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("Y3_3430_USB3HS_TLL_NXT", 0x16a, - OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT) + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AA5_3430_USB3HS_TLL_D0", 0x186, OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("Y4_3430_USB3HS_TLL_D1", 0x184, @@ -373,6 +373,49 @@ MUX_CFG_34XX("AA13_3430_USB3HS_TLL_D6", 0x170, OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) MUX_CFG_34XX("AA12_3430_USB3HS_TLL_D7", 0x172, OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) + +/* PHY FSUSB: FS Serial for Port 1 (multiple PHY modes supported) */ +MUX_CFG_34XX("AF10_3430_USB1FS_PHY_MM1_RXDP", 0x5d8, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AG9_3430_USB1FS_PHY_MM1_RXDM", 0x5ee, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("W13_3430_USB1FS_PHY_MM1_RXRCV", 0x5dc, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("W12_3430_USB1FS_PHY_MM1_TXSE0", 0x5de, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("W11_3430_USB1FS_PHY_MM1_TXDAT", 0x5e0, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("Y11_3430_USB1FS_PHY_MM1_TXEN_N", 0x5ea, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT) + +/* PHY FSUSB: FS Serial for Port 2 (multiple PHY modes supported) */ +MUX_CFG_34XX("AF7_3430_USB2FS_PHY_MM2_RXDP", 0x5f2, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AH7_3430_USB2FS_PHY_MM2_RXDM", 0x5f6, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AB10_3430_USB2FS_PHY_MM2_RXRCV", 0x5f8, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AB9_3430_USB2FS_PHY_MM2_TXSE0", 0x5fa, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("W3_3430_USB2FS_PHY_MM2_TXDAT", 0x1d4, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("T4_3430_USB2FS_PHY_MM2_TXEN_N", 0x1de, + OMAP34XX_MUX_MODE5 | OMAP34XX_PIN_OUTPUT) + +/* PHY FSUSB: FS Serial for Port 3 (multiple PHY modes supported) */ +MUX_CFG_34XX("AH3_3430_USB3FS_PHY_MM3_RXDP", 0x166, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AE3_3430_USB3FS_PHY_MM3_RXDM", 0x16a, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AD1_3430_USB3FS_PHY_MM3_RXRCV", 0x186, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AE1_3430_USB3FS_PHY_MM3_TXSE0", 0x184, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AD2_3430_USB3FS_PHY_MM3_TXDAT", 0x188, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_INPUT_PULLDOWN) +MUX_CFG_34XX("AC1_3430_USB3FS_PHY_MM3_TXEN_N", 0x18a, + OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT) + }; #define OMAP34XX_PINS_SZ ARRAY_SIZE(omap34xx_pins) diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S new file mode 100644 index 000000000000..2c7146136342 --- /dev/null +++ b/arch/arm/mach-omap2/sram34xx.S @@ -0,0 +1,179 @@ +/* + * linux/arch/arm/mach-omap3/sram.S + * + * Omap3 specific functions that need to be run in internal SRAM + * + * (C) Copyright 2007 + * Texas Instruments Inc. + * Rajendra Nayak + * + * (C) Copyright 2004 + * Texas Instruments, + * Richard Woodruff + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include +#include +#include + +#include + +#include "sdrc.h" +#include "cm.h" + + .text + +/* + * Change frequency of core dpll + * r0 = sdrc_rfr_ctrl r1 = sdrc_actim_ctrla r2 = sdrc_actim_ctrlb r3 = M2 + */ +ENTRY(omap3_sram_configure_core_dpll) + stmfd sp!, {r1-r12, lr} @ store regs to stack + cmp r3, #0x2 + blne configure_sdrc + cmp r3, #0x2 + blne lock_dll + cmp r3, #0x1 + blne unlock_dll + bl sdram_in_selfrefresh @ put the SDRAM in self refresh + bl configure_core_dpll + bl enable_sdrc + cmp r3, #0x1 + blne wait_dll_unlock + cmp r3, #0x2 + blne wait_dll_lock + cmp r3, #0x1 + blne configure_sdrc + mov r0, #0 @ return value + ldmfd sp!, {r1-r12, pc} @ restore regs and return +unlock_dll: + ldr r4, omap3_sdrc_dlla_ctrl + ldr r5, [r4] + orr r5, r5, #0x4 + str r5, [r4] + bx lr +lock_dll: + ldr r4, omap3_sdrc_dlla_ctrl + ldr r5, [r4] + bic r5, r5, #0x4 + str r5, [r4] + bx lr +sdram_in_selfrefresh: + mov r5, #0x0 @ Move 0 to R5 + mcr p15, 0, r5, c7, c10, 5 @ memory barrier + ldr r4, omap3_sdrc_power @ read the SDRC_POWER register + ldr r5, [r4] @ read the contents of SDRC_POWER + orr r5, r5, #0x40 @ enable self refresh on idle req + str r5, [r4] @ write back to SDRC_POWER register + ldr r4, omap3_cm_iclken1_core @ read the CM_ICLKEN1_CORE reg + ldr r5, [r4] + bic r5, r5, #0x2 @ disable iclk bit for SRDC + str r5, [r4] +wait_sdrc_idle: + ldr r4, omap3_cm_idlest1_core + ldr r5, [r4] + and r5, r5, #0x2 @ check for SDRC idle + cmp r5, #2 + bne wait_sdrc_idle + bx lr +configure_core_dpll: + ldr r4, omap3_cm_clksel1_pll + ldr r5, [r4] + ldr r6, core_m2_mask_val @ modify m2 for core dpll + and r5, r5, r6 + orr r5, r5, r3, lsl #0x1B @ r3 contains the M2 val + str r5, [r4] + mov r5, #0x800 @ wait for the clock to stabilise + cmp r3, #2 + bne wait_clk_stable + bx lr +wait_clk_stable: + subs r5, r5, #1 + bne wait_clk_stable + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + bx lr +enable_sdrc: + ldr r4, omap3_cm_iclken1_core + ldr r5, [r4] + orr r5, r5, #0x2 @ enable iclk bit for SDRC + str r5, [r4] +wait_sdrc_idle1: + ldr r4, omap3_cm_idlest1_core + ldr r5, [r4] + and r5, r5, #0x2 + cmp r5, #0 + bne wait_sdrc_idle1 + ldr r4, omap3_sdrc_power + ldr r5, [r4] + bic r5, r5, #0x40 + str r5, [r4] + bx lr +wait_dll_lock: + ldr r4, omap3_sdrc_dlla_status + ldr r5, [r4] + and r5, r5, #0x4 + cmp r5, #0x4 + bne wait_dll_lock + bx lr +wait_dll_unlock: + ldr r4, omap3_sdrc_dlla_status + ldr r5, [r4] + and r5, r5, #0x4 + cmp r5, #0x0 + bne wait_dll_unlock + bx lr +configure_sdrc: + ldr r4, omap3_sdrc_rfr_ctrl + str r0, [r4] + ldr r4, omap3_sdrc_actim_ctrla + str r1, [r4] + ldr r4, omap3_sdrc_actim_ctrlb + str r2, [r4] + bx lr + +omap3_sdrc_power: + .word OMAP34XX_SDRC_REGADDR(SDRC_POWER) +omap3_cm_clksel1_pll: + .word OMAP34XX_CM_REGADDR(PLL_MOD, CM_CLKSEL1) +omap3_cm_idlest1_core: + .word OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST) +omap3_cm_iclken1_core: + .word OMAP34XX_CM_REGADDR(CORE_MOD, CM_ICLKEN1) +omap3_sdrc_rfr_ctrl: + .word OMAP34XX_SDRC_REGADDR(SDRC_RFR_CTRL_0) +omap3_sdrc_actim_ctrla: + .word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_A_0) +omap3_sdrc_actim_ctrlb: + .word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_B_0) +omap3_sdrc_dlla_status: + .word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_STATUS) +omap3_sdrc_dlla_ctrl: + .word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_CTRL) +core_m2_mask_val: + .word 0x07FFFFFF + +ENTRY(omap3_sram_configure_core_dpll_sz) + .word . - omap3_sram_configure_core_dpll diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index ef62bf21e179..a94f0c44ebc8 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -15,6 +15,9 @@ config ARCH_OMAP1 config ARCH_OMAP2 bool "TI OMAP2" +config ARCH_OMAP3 + bool "TI OMAP3" + endchoice comment "OMAP Feature Selections" @@ -112,13 +115,13 @@ config OMAP_MPU_TIMER config OMAP_32K_TIMER bool "Use 32KHz timer" - depends on ARCH_OMAP16XX || ARCH_OMAP24XX + depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX help Select this option if you want to enable the OMAP 32KHz timer. This timer saves power compared to the OMAP_MPU_TIMER, and has support for no tick during idle. The 32KHz timer provides less intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is - currently only available for OMAP16XX and 24XX. + currently only available for OMAP16XX, 24XX and 34XX. endchoice @@ -133,7 +136,7 @@ config OMAP_32K_TIMER_HZ config OMAP_DM_TIMER bool "Use dual-mode timer" - depends on ARCH_OMAP16XX || ARCH_OMAP24XX + depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX help Select this option if you want to use OMAP Dual-Mode timers. diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 1c1d831a0c09..2625ce32e602 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -94,6 +94,10 @@ static inline void omap_init_dsp(void) { } static void omap_init_kp(void) { + /* 2430 and 34xx keypad is on TWL4030 */ + if (cpu_is_omap2430() || cpu_is_omap34xx()) + return; + if (machine_is_omap_h2() || machine_is_omap_h3()) { omap_cfg_reg(F18_1610_KBC0); omap_cfg_reg(D20_1610_KBC1); @@ -395,8 +399,17 @@ static inline void omap_init_uwire(void) {} #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) -#ifdef CONFIG_ARCH_OMAP24XX +#if defined(CONFIG_ARCH_OMAP34XX) +#define OMAP_WDT_BASE 0x48314000 +#elif defined(CONFIG_ARCH_OMAP24XX) + +#ifdef CONFIG_ARCH_OMAP2430 +/* WDT2 */ +#define OMAP_WDT_BASE 0x49016000 +#else #define OMAP_WDT_BASE 0x48022000 +#endif + #else #define OMAP_WDT_BASE 0xfffeb000 #endif diff --git a/arch/arm/plat-omap/include/mach/debug-macro.S b/arch/arm/plat-omap/include/mach/debug-macro.S index 1b0039bdeb4e..1b11f5c6a2d9 100644 --- a/arch/arm/plat-omap/include/mach/debug-macro.S +++ b/arch/arm/plat-omap/include/mach/debug-macro.S @@ -35,6 +35,18 @@ #ifdef CONFIG_OMAP_LL_DEBUG_UART3 add \rx, \rx, #0x00004000 @ UART 3 #endif + +#elif CONFIG_ARCH_OMAP3 + moveq \rx, #0x48000000 @ physical base address + movne \rx, #0xd8000000 @ virtual base + orr \rx, \rx, #0x0006a000 +#ifdef CONFIG_OMAP_LL_DEBUG_UART2 + add \rx, \rx, #0x00002000 @ UART 2 +#endif +#ifdef CONFIG_OMAP_LL_DEBUG_UART3 + add \rx, \rx, #0x00fb0000 @ UART 3 + add \rx, \rx, #0x00006000 +#endif #endif .endm diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S index d4e9043bf201..030118ee204a 100644 --- a/arch/arm/plat-omap/include/mach/entry-macro.S +++ b/arch/arm/plat-omap/include/mach/entry-macro.S @@ -55,9 +55,17 @@ 1510: .endm -#elif defined(CONFIG_ARCH_OMAP24XX) +#endif +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) +#if defined(CONFIG_ARCH_OMAP24XX) #include +#endif +#if defined(CONFIG_ARCH_OMAP34XX) +#include +#endif + +#define INTCPS_SIR_IRQ_OFFSET 0x0040 /* Active interrupt number */ .macro disable_fiq .endm @@ -79,7 +87,7 @@ ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */ cmp \irqnr, #0x0 2222: - ldrne \irqnr, [\base, #IRQ_SIR_IRQ] + ldrne \irqnr, [\base, #INTCPS_SIR_IRQ_OFFSET] .endm diff --git a/arch/arm/plat-omap/include/mach/gpmc.h b/arch/arm/plat-omap/include/mach/gpmc.h index 3c7b425c585e..45b678439bb7 100644 --- a/arch/arm/plat-omap/include/mach/gpmc.h +++ b/arch/arm/plat-omap/include/mach/gpmc.h @@ -84,6 +84,10 @@ struct gpmc_timings { u16 access; /* Start-cycle to first data valid delay */ u16 rd_cycle; /* Total read cycle time */ u16 wr_cycle; /* Total write cycle time */ + + /* The following are only on OMAP3430 */ + u16 wr_access; /* WRACCESSTIME */ + u16 wr_data_mux_bus; /* WRDATAONADMUXBUS */ }; extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns); diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h index dd0cf069431d..adc83b7b8205 100644 --- a/arch/arm/plat-omap/include/mach/io.h +++ b/arch/arm/plat-omap/include/mach/io.h @@ -73,7 +73,6 @@ #define L4_24XX_VIRT 0xd8000000 #define L4_24XX_SIZE SZ_1M /* 1MB of 128MB used, want 1MB sect */ -#ifdef CONFIG_ARCH_OMAP2430 #define L4_WK_243X_PHYS L4_WK_243X_BASE /* 0x49000000 */ #define L4_WK_243X_VIRT 0xd9000000 #define L4_WK_243X_SIZE SZ_1M @@ -87,8 +86,6 @@ #define OMAP243X_SMS_VIRT 0xFC000000 #define OMAP243X_SMS_SIZE SZ_1M -#endif - #define IO_OFFSET 0x90000000 #define __IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ #define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ diff --git a/arch/arm/plat-omap/include/mach/irqs.h b/arch/arm/plat-omap/include/mach/irqs.h index e9fd63055cb2..9ee04969d366 100644 --- a/arch/arm/plat-omap/include/mach/irqs.h +++ b/arch/arm/plat-omap/include/mach/irqs.h @@ -286,6 +286,41 @@ #define INT_24XX_USB_IRQ_OTG 80 #define INT_24XX_MMC_IRQ 83 +#define INT_34XX_BENCH_MPU_EMUL 3 +#define INT_34XX_ST_MCBSP2_IRQ 4 +#define INT_34XX_ST_MCBSP3_IRQ 5 +#define INT_34XX_SSM_ABORT_IRQ 6 +#define INT_34XX_SYS_NIRQ 7 +#define INT_34XX_D2D_FW_IRQ 8 +#define INT_34XX_PRCM_MPU_IRQ 11 +#define INT_34XX_MCBSP1_IRQ 16 +#define INT_34XX_MCBSP2_IRQ 17 +#define INT_34XX_MCBSP3_IRQ 22 +#define INT_34XX_MCBSP4_IRQ 23 +#define INT_34XX_CAM_IRQ 24 +#define INT_34XX_MCBSP5_IRQ 27 +#define INT_34XX_GPIO_BANK1 29 +#define INT_34XX_GPIO_BANK2 30 +#define INT_34XX_GPIO_BANK3 31 +#define INT_34XX_GPIO_BANK4 32 +#define INT_34XX_GPIO_BANK5 33 +#define INT_34XX_GPIO_BANK6 34 +#define INT_34XX_USIM_IRQ 35 +#define INT_34XX_WDT3_IRQ 36 +#define INT_34XX_SPI4_IRQ 48 +#define INT_34XX_SHA1MD52_IRQ 49 +#define INT_34XX_FPKA_READY_IRQ 50 +#define INT_34XX_SHA1MD51_IRQ 51 +#define INT_34XX_RNG_IRQ 52 +#define INT_34XX_I2C3_IRQ 61 +#define INT_34XX_FPKA_ERROR_IRQ 64 +#define INT_34XX_PBIAS_IRQ 75 +#define INT_34XX_OHCI_IRQ 76 +#define INT_34XX_EHCI_IRQ 77 +#define INT_34XX_TLL_IRQ 78 +#define INT_34XX_PARTHASH_IRQ 79 +#define INT_34XX_MMC3_IRQ 94 +#define INT_34XX_GPT12_IRQ 95 /* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and * 16 MPUIO lines */ #define OMAP_MAX_GPIO_LINES 192 diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h index a3074f2fb7ce..c8d0aa118be7 100644 --- a/arch/arm/plat-omap/include/mach/mcbsp.h +++ b/arch/arm/plat-omap/include/mach/mcbsp.h @@ -91,7 +91,7 @@ #define AUDIO_DMA_TX OMAP_DMA_MCBSP1_TX #define AUDIO_DMA_RX OMAP_DMA_MCBSP1_RX -#elif defined(CONFIG_ARCH_OMAP24XX) +#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) #define OMAP_MCBSP_REG_DRR2 0x00 #define OMAP_MCBSP_REG_DRR1 0x04 diff --git a/arch/arm/plat-omap/include/mach/memory.h b/arch/arm/plat-omap/include/mach/memory.h index a325caf80d04..d40cac60b959 100644 --- a/arch/arm/plat-omap/include/mach/memory.h +++ b/arch/arm/plat-omap/include/mach/memory.h @@ -38,7 +38,7 @@ */ #if defined(CONFIG_ARCH_OMAP1) #define PHYS_OFFSET UL(0x10000000) -#elif defined(CONFIG_ARCH_OMAP2) +#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) #define PHYS_OFFSET UL(0x80000000) #endif diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h index 5670d563f378..6bbf1789bed5 100644 --- a/arch/arm/plat-omap/include/mach/mux.h +++ b/arch/arm/plat-omap/include/mach/mux.h @@ -723,7 +723,31 @@ enum omap34xx_index { AB12_3430_USB3HS_TLL_DATA4, AB13_3430_USB3HS_TLL_DATA5, AA13_3430_USB3HS_TLL_DATA6, - AA12_3430_USB3HS_TLL_DATA7 + AA12_3430_USB3HS_TLL_DATA7, + + /* PHY FSUSB: FS Serial for Port 1 (multiple PHY modes supported) */ + AF10_3430_USB1FS_PHY_MM1_RXDP, + AG9_3430_USB1FS_PHY_MM1_RXDM, + W13_3430_USB1FS_PHY_MM1_RXRCV, + W12_3430_USB1FS_PHY_MM1_TXSE0, + W11_3430_USB1FS_PHY_MM1_TXDAT, + Y11_3430_USB1FS_PHY_MM1_TXEN_N, + + /* PHY FSUSB: FS Serial for Port 2 (multiple PHY modes supported) */ + AF7_3430_USB2FS_PHY_MM2_RXDP, + AH7_3430_USB2FS_PHY_MM2_RXDM, + AB10_3430_USB2FS_PHY_MM2_RXRCV, + AB9_3430_USB2FS_PHY_MM2_TXSE0, + W3_3430_USB2FS_PHY_MM2_TXDAT, + T4_3430_USB2FS_PHY_MM2_TXEN_N, + + /* PHY FSUSB: FS Serial for Port 3 (multiple PHY modes supported) */ + AH3_3430_USB3FS_PHY_MM3_RXDP, + AE3_3430_USB3FS_PHY_MM3_RXDM, + AD1_3430_USB3FS_PHY_MM3_RXRCV, + AE1_3430_USB3FS_PHY_MM3_TXSE0, + AD2_3430_USB3FS_PHY_MM3_TXDAT, + AC1_3430_USB3FS_PHY_MM3_TXEN_N, }; diff --git a/arch/arm/plat-omap/include/mach/omap24xx.h b/arch/arm/plat-omap/include/mach/omap24xx.h index 556f0eb4d55c..24335d4932f5 100644 --- a/arch/arm/plat-omap/include/mach/omap24xx.h +++ b/arch/arm/plat-omap/include/mach/omap24xx.h @@ -39,7 +39,6 @@ /* interrupt controller */ #define OMAP24XX_IC_BASE (L4_24XX_BASE + 0xfe000) #define OMAP24XX_IVA_INTC_BASE 0x40000000 -#define IRQ_SIR_IRQ 0x0040 #define OMAP2420_CTRL_BASE L4_24XX_BASE #define OMAP2420_32KSYNCT_BASE (L4_24XX_BASE + 0x4000) diff --git a/arch/arm/plat-omap/include/mach/sdrc.h b/arch/arm/plat-omap/include/mach/sdrc.h index 25ee3819faad..a98c6c3beb2c 100644 --- a/arch/arm/plat-omap/include/mach/sdrc.h +++ b/arch/arm/plat-omap/include/mach/sdrc.h @@ -25,8 +25,8 @@ #define SDRC_DLLB_STATUS 0x06C #define SDRC_POWER 0x070 #define SDRC_MR_0 0x084 -#define SDRC_ACTIM_CTRL_A 0x09c -#define SDRC_ACTIM_CTRL_B 0x0a0 +#define SDRC_ACTIM_CTRL_A_0 0x09c +#define SDRC_ACTIM_CTRL_B_0 0x0a0 #define SDRC_RFR_CTRL_0 0x0a4 /* diff --git a/arch/arm/plat-omap/include/mach/sram.h b/arch/arm/plat-omap/include/mach/sram.h index e09323449981..ab35d622dcf5 100644 --- a/arch/arm/plat-omap/include/mach/sram.h +++ b/arch/arm/plat-omap/include/mach/sram.h @@ -21,6 +21,10 @@ extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type); extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass); +extern u32 omap3_configure_core_dpll(u32 sdrc_rfr_ctrl, + u32 sdrc_actim_ctrla, + u32 sdrc_actim_ctrlb, u32 m2); + /* Do not use these */ extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl); extern unsigned long omap1_sram_reprogram_clock_sz; @@ -53,4 +57,10 @@ extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type); extern unsigned long omap243x_sram_reprogram_sdrc_sz; + +extern u32 omap3_sram_configure_core_dpll(u32 sdrc_rfr_ctrl, + u32 sdrc_actim_ctrla, + u32 sdrc_actim_ctrlb, u32 m2); +extern unsigned long omap3_sram_configure_core_dpll_sz; + #endif diff --git a/arch/arm/plat-omap/include/mach/system.h b/arch/arm/plat-omap/include/mach/system.h index 06a28c7b98de..06923f261545 100644 --- a/arch/arm/plat-omap/include/mach/system.h +++ b/arch/arm/plat-omap/include/mach/system.h @@ -40,7 +40,7 @@ static inline void omap1_arch_reset(char mode) static inline void arch_reset(char mode) { - if (!cpu_is_omap24xx()) + if (!cpu_class_is_omap2()) omap1_arch_reset(mode); else omap_prcm_arch_reset(mode); diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c index 0253c456ed5b..af326efc1ad3 100644 --- a/arch/arm/plat-omap/io.c +++ b/arch/arm/plat-omap/io.c @@ -47,11 +47,13 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) } #endif #ifdef CONFIG_ARCH_OMAP2 - if (cpu_class_is_omap2()) { + if (cpu_is_omap24xx()) { if (BETWEEN(p, L3_24XX_PHYS, L3_24XX_SIZE)) return XLATE(p, L3_24XX_PHYS, L3_24XX_VIRT); if (BETWEEN(p, L4_24XX_PHYS, L4_24XX_SIZE)) return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT); + } + if (cpu_is_omap2420()) { if (BETWEEN(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_SIZE)) return XLATE(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_VIRT); if (BETWEEN(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE)) @@ -59,14 +61,36 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) if (BETWEEN(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_SIZE)) return XLATE(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_VIRT); } -#ifdef CONFIG_ARCH_OMAP2430 if (cpu_is_omap2430()) { if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE)) - return XLATE(L4_WK_243X_PHYS, L4_WK_243X_VIRT); + return XLATE(p, L4_WK_243X_PHYS, L4_WK_243X_VIRT); if (BETWEEN(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_SIZE)) - return XLATE(OMAP243X_GPMC_PHYS, OMAP243X_GPMC_VIRT); + return XLATE(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_VIRT); + if (BETWEEN(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_SIZE)) + return XLATE(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_VIRT); + if (BETWEEN(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_SIZE)) + return XLATE(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_VIRT); } #endif +#ifdef CONFIG_ARCH_OMAP3 + if (cpu_is_omap34xx()) { + if (BETWEEN(p, L3_34XX_PHYS, L3_34XX_SIZE)) + return XLATE(p, L3_34XX_PHYS, L3_34XX_VIRT); + if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE)) + return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT); + if (BETWEEN(p, L4_WK_34XX_PHYS, L4_WK_34XX_SIZE)) + return XLATE(p, L4_WK_34XX_PHYS, L4_WK_34XX_VIRT); + if (BETWEEN(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_SIZE)) + return XLATE(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_VIRT); + if (BETWEEN(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_SIZE)) + return XLATE(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_VIRT); + if (BETWEEN(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_SIZE)) + return XLATE(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_VIRT); + if (BETWEEN(p, L4_PER_34XX_PHYS, L4_PER_34XX_SIZE)) + return XLATE(p, L4_PER_34XX_PHYS, L4_PER_34XX_VIRT); + if (BETWEEN(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_SIZE)) + return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT); + } #endif return __arm_ioremap(p, size, type); diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c index ac67eeb6ca6a..4d22452a0743 100644 --- a/arch/arm/plat-omap/sram.c +++ b/arch/arm/plat-omap/sram.c @@ -271,7 +271,7 @@ int __init omap1_sram_init(void) #define omap1_sram_init() do {} while (0) #endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) +#if defined(CONFIG_ARCH_OMAP2) static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl, u32 base_cs, u32 force_unlock); @@ -352,23 +352,19 @@ static inline int omap243x_sram_init(void) #ifdef CONFIG_ARCH_OMAP3 -static u32 (*_omap2_sram_reprogram_gpmc)(u32 perf_level); -u32 omap2_sram_reprogram_gpmc(u32 perf_level) -{ - if (!_omap2_sram_reprogram_gpmc) - omap_sram_error(); - - return _omap2_sram_reprogram_gpmc(perf_level); -} - -static u32 (*_omap2_sram_configure_core_dpll)(u32 m, u32 n, - u32 freqsel, u32 m2); -u32 omap2_sram_configure_core_dpll(u32 m, u32 n, u32 freqsel, u32 m2) +static u32 (*_omap3_sram_configure_core_dpll)(u32 sdrc_rfr_ctrl, + u32 sdrc_actim_ctrla, + u32 sdrc_actim_ctrlb, + u32 m2); +u32 omap3_configure_core_dpll(u32 sdrc_rfr_ctrl, u32 sdrc_actim_ctrla, + u32 sdrc_actim_ctrlb, u32 m2) { - if (!_omap2_sram_configure_core_dpll) + if (!_omap3_sram_configure_core_dpll) omap_sram_error(); - return _omap2_sram_configure_core_dpll(m, n, freqsel, m2); + return _omap3_sram_configure_core_dpll(sdrc_rfr_ctrl, + sdrc_actim_ctrla, + sdrc_actim_ctrlb, m2); } /* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */ @@ -376,31 +372,16 @@ void restore_sram_functions(void) { omap_sram_ceil = omap_sram_base + omap_sram_size; - _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc, - omap34xx_sram_reprogram_gpmc_sz); - - _omap2_sram_configure_core_dpll = - omap_sram_push(omap34xx_sram_configure_core_dpll, - omap34xx_sram_configure_core_dpll_sz); + _omap3_sram_configure_core_dpll = + omap_sram_push(omap3_sram_configure_core_dpll, + omap3_sram_configure_core_dpll_sz); } int __init omap34xx_sram_init(void) { - _omap2_sram_ddr_init = omap_sram_push(omap34xx_sram_ddr_init, - omap34xx_sram_ddr_init_sz); - - _omap2_sram_reprogram_sdrc = omap_sram_push(omap34xx_sram_reprogram_sdrc, - omap34xx_sram_reprogram_sdrc_sz); - - _omap2_set_prcm = omap_sram_push(omap34xx_sram_set_prcm, - omap34xx_sram_set_prcm_sz); - - _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc, - omap34xx_sram_reprogram_gpmc_sz); - - _omap2_sram_configure_core_dpll = - omap_sram_push(omap34xx_sram_configure_core_dpll, - omap34xx_sram_configure_core_dpll_sz); + _omap3_sram_configure_core_dpll = + omap_sram_push(omap3_sram_configure_core_dpll, + omap3_sram_configure_core_dpll_sz); return 0; } -- GitLab From 2885f00049f80287b14192145699774fa55c14f7 Mon Sep 17 00:00:00 2001 From: "Syed Mohammed, Khasim" Date: Thu, 9 Oct 2008 17:51:42 +0300 Subject: [PATCH 3283/6244] ARM: OMAP3: Add minimal Beagle board support Add minimal Beagle board support. Based on earlier patches by Syed Mohammed Khasim with some fixes from linux-omap tree. Signed-off-by: Syed Mohammed Khasim Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Kconfig | 4 + arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-omap3beagle.c | 244 ++++++++++++++++++ arch/arm/mm/Kconfig | 2 +- .../include/mach/board-omap3beagle.h | 33 +++ arch/arm/plat-omap/include/mach/hardware.h | 4 + 6 files changed, 287 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-omap2/board-omap3beagle.c create mode 100644 arch/arm/plat-omap/include/mach/board-omap3beagle.h diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index e2481e4045e7..23fd1cc034a0 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -44,3 +44,7 @@ config MACH_OMAP_2430SDP bool "OMAP 2430 SDP board" depends on ARCH_OMAP2 && ARCH_OMAP24XX +config MACH_OMAP3_BEAGLE + bool "OMAP3 BEAGLE board" + depends on ARCH_OMAP3 && ARCH_OMAP34XX + diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 0dc40db38119..420ad9accebf 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -29,4 +29,5 @@ obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o +obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c new file mode 100644 index 000000000000..baa79674e9d5 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -0,0 +1,244 @@ +/* + * linux/arch/arm/mach-omap2/board-omap3beagle.c + * + * Copyright (C) 2008 Texas Instruments + * + * Modified from mach-omap2/board-3430sdp.c + * + * Initial code: Syed Mohammed Khasim + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + + +#define GPMC_CS0_BASE 0x60 +#define GPMC_CS_SIZE 0x30 + +#define NAND_BLOCK_SIZE SZ_128K + +static struct mtd_partition omap3beagle_nand_partitions[] = { + /* All the partition sizes are listed in terms of NAND block size */ + { + .name = "X-Loader", + .offset = 0, + .size = 4 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "U-Boot", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ + .size = 15 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + { + .name = "U-Boot Env", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ + .size = 1 * NAND_BLOCK_SIZE, + }, + { + .name = "Kernel", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .size = 32 * NAND_BLOCK_SIZE, + }, + { + .name = "File System", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct omap_nand_platform_data omap3beagle_nand_data = { + .options = NAND_BUSWIDTH_16, + .parts = omap3beagle_nand_partitions, + .nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions), + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ + .nand_setup = NULL, + .dev_ready = NULL, +}; + +static struct resource omap3beagle_nand_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device omap3beagle_nand_device = { + .name = "omap2-nand", + .id = -1, + .dev = { + .platform_data = &omap3beagle_nand_data, + }, + .num_resources = 1, + .resource = &omap3beagle_nand_resource, +}; + +static struct omap_uart_config omap3_beagle_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static void __init omap3_beagle_init_irq(void) +{ + omap2_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); +} + +static struct platform_device omap3_beagle_lcd_device = { + .name = "omap3beagle_lcd", + .id = -1, +}; + +static struct omap_lcd_config omap3_beagle_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct gpio_led gpio_leds[] = { + { + .name = "beagleboard::usr0", + .default_trigger = "heartbeat", + .gpio = 150, + }, + { + .name = "beagleboard::usr1", + .default_trigger = "mmc0", + .gpio = 149, + }, +}; + +static struct gpio_led_platform_data gpio_led_info = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device leds_gpio = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_led_info, + }, +}; + +static struct gpio_keys_button gpio_buttons[] = { + { + .code = BTN_EXTRA, + .gpio = 7, + .desc = "user", + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data gpio_key_info = { + .buttons = gpio_buttons, + .nbuttons = ARRAY_SIZE(gpio_buttons), +}; + +static struct platform_device keys_gpio = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &gpio_key_info, + }, +}; + +static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { + { OMAP_TAG_UART, &omap3_beagle_uart_config }, + { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, +}; + +static struct platform_device *omap3_beagle_devices[] __initdata = { + &omap3_beagle_lcd_device, + &leds_gpio, + &keys_gpio, +}; + +static void __init omap3beagle_flash_init(void) +{ + u8 cs = 0; + u8 nandcs = GPMC_CS_NUM + 1; + + u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; + + /* find out the chip-select on which NAND exists */ + while (cs < GPMC_CS_NUM) { + u32 ret = 0; + ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); + + if ((ret & 0xC00) == 0x800) { + printk(KERN_INFO "Found NAND on CS%d\n", cs); + if (nandcs > GPMC_CS_NUM) + nandcs = cs; + } + cs++; + } + + if (nandcs > GPMC_CS_NUM) { + printk(KERN_INFO "NAND: Unable to find configuration " + "in GPMC\n "); + return; + } + + if (nandcs < GPMC_CS_NUM) { + omap3beagle_nand_data.cs = nandcs; + omap3beagle_nand_data.gpmc_cs_baseaddr = (void *) + (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE); + omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add); + + printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); + if (platform_device_register(&omap3beagle_nand_device) < 0) + printk(KERN_ERR "Unable to register NAND device\n"); + } +} + +static void __init omap3_beagle_init(void) +{ + platform_add_devices(omap3_beagle_devices, + ARRAY_SIZE(omap3_beagle_devices)); + omap_board_config = omap3_beagle_config; + omap_board_config_size = ARRAY_SIZE(omap3_beagle_config); + omap_serial_init(); + omap3beagle_flash_init(); +} + +static void __init omap3_beagle_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") + /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap3_beagle_map_io, + .init_irq = omap3_beagle_init_irq, + .init_machine = omap3_beagle_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index ed15f876c725..546d7e7db74e 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -428,7 +428,7 @@ config CPU_32v6K # ARMv7 config CPU_V7 bool "Support ARM V7 processor" - depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB + depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP3 select CPU_32v6K select CPU_32v7 select CPU_ABRT_EV7 diff --git a/arch/arm/plat-omap/include/mach/board-omap3beagle.h b/arch/arm/plat-omap/include/mach/board-omap3beagle.h new file mode 100644 index 000000000000..3080d52d877a --- /dev/null +++ b/arch/arm/plat-omap/include/mach/board-omap3beagle.h @@ -0,0 +1,33 @@ +/* + * arch/arm/plat-omap/include/mach/board-omap3beagle.h + * + * Hardware definitions for TI OMAP3 BEAGLE. + * + * Initial creation by Syed Mohammed Khasim + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ASM_ARCH_OMAP3_BEAGLE_H +#define __ASM_ARCH_OMAP3_BEAGLE_H + +#endif /* __ASM_ARCH_OMAP3_BEAGLE_H */ + diff --git a/arch/arm/plat-omap/include/mach/hardware.h b/arch/arm/plat-omap/include/mach/hardware.h index 29c849f5f18e..80f6d7ec53e1 100644 --- a/arch/arm/plat-omap/include/mach/hardware.h +++ b/arch/arm/plat-omap/include/mach/hardware.h @@ -322,6 +322,10 @@ #include "board-2430sdp.h" #endif +#ifdef CONFIG_MACH_OMAP3_BEAGLE +#include "board-omap3beagle.h" +#endif + #ifdef CONFIG_MACH_OMAP_APOLLON #include "board-apollon.h" #endif -- GitLab From 22b401bfa9a02650362aa376ae73fd3db7546d3c Mon Sep 17 00:00:00 2001 From: "Syed Mohammed, Khasim" Date: Thu, 9 Oct 2008 17:51:42 +0300 Subject: [PATCH 3284/6244] ARM: OMAP3: Add Beagle defconfig Add Beagle defconfig Signed-off-by: Syed Mohammed, Khasim Signed-off-by: Tony Lindgren --- arch/arm/configs/omap3_beagle_defconfig | 1321 +++++++++++++++++++++++ 1 file changed, 1321 insertions(+) create mode 100644 arch/arm/configs/omap3_beagle_defconfig diff --git a/arch/arm/configs/omap3_beagle_defconfig b/arch/arm/configs/omap3_beagle_defconfig new file mode 100644 index 000000000000..e042d27eae16 --- /dev/null +++ b/arch/arm/configs/omap3_beagle_defconfig @@ -0,0 +1,1321 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.27-rc8 +# Wed Oct 1 17:14:22 2008 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_SUPPORTS_AOUT=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set +# CONFIG_HAVE_IOREMAP_PROT is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set +# CONFIG_HAVE_DMA_ATTRS is not set +# CONFIG_USE_GENERIC_SMP_HELPERS is not set +CONFIG_HAVE_CLK=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_CLASSIC_RCU=y + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set +CONFIG_ARCH_OMAP=y +# CONFIG_ARCH_MSM7X00A is not set + +# +# TI OMAP Implementations +# +CONFIG_ARCH_OMAP_OTG=y +# CONFIG_ARCH_OMAP1 is not set +# CONFIG_ARCH_OMAP2 is not set +CONFIG_ARCH_OMAP3=y + +# +# OMAP Feature Selections +# +# CONFIG_OMAP_DEBUG_POWERDOMAIN is not set +# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set +# CONFIG_OMAP_RESET_CLOCKS is not set +# CONFIG_OMAP_MUX is not set +# CONFIG_OMAP_MCBSP is not set +# CONFIG_OMAP_MPU_TIMER is not set +CONFIG_OMAP_32K_TIMER=y +CONFIG_OMAP_32K_TIMER_HZ=128 +CONFIG_OMAP_DM_TIMER=y +# CONFIG_OMAP_LL_DEBUG_UART1 is not set +# CONFIG_OMAP_LL_DEBUG_UART2 is not set +CONFIG_OMAP_LL_DEBUG_UART3=y +CONFIG_ARCH_OMAP34XX=y +CONFIG_ARCH_OMAP3430=y + +# +# OMAP Board Type +# +CONFIG_MACH_OMAP3_BEAGLE=y + +# +# Boot options +# + +# +# Power management +# + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_V7=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +CONFIG_CPU_PABRT_IFAR=y +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_HAS_ASID=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_ARM_THUMBEE is not set +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_HAS_TLS_REG=y +# CONFIG_OUTER_CACHE is not set + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +# CONFIG_PREEMPT is not set +CONFIG_HZ=128 +CONFIG_AEABI=y +CONFIG_OABI_COMPAT=y +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +# CONFIG_LEDS is not set +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="root=/dev/nfs nfsroot=192.168.0.1:/home/user/buildroot ip=192.168.0.2:192.168.0.1:192.168.0.1:255.255.255.0:tgt:eth0:off rw console=ttyS2,115200n8" +# CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set + +# +# CPU Power Management +# +# CONFIG_CPU_FREQ is not set +# CONFIG_CPU_IDLE is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +CONFIG_FPE_NWFPE=y +# CONFIG_FPE_NWFPE_XP is not set +# CONFIG_FPE_FASTFPE is not set +CONFIG_VFP=y +CONFIG_VFPv3=y +# CONFIG_NEON is not set + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_AOUT is not set +CONFIG_BINFMT_MISC=y + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +CONFIG_NET_KEY=y +# CONFIG_NET_KEY_MIGRATE is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=16384 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +# CONFIG_MISC_DEVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +# CONFIG_NET_ETHERNET is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=32 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_8250_DETECT_IRQ=y +CONFIG_SERIAL_8250_RSA=y + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_OMAP=y +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_AT24 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_ISP1301_OMAP is not set +# CONFIG_TPS65010 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +# CONFIG_SPI is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +# CONFIG_WATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_UCB1400_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +CONFIG_DAB=y +# CONFIG_USB_DABUSB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +# CONFIG_SOUND is not set +# CONFIG_HID_SUPPORT is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=y + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_OHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +CONFIG_USB_MUSB_HDRC=y +CONFIG_USB_MUSB_SOC=y + +# +# OMAP 343x high speed USB support +# +CONFIG_USB_MUSB_HOST=y +# CONFIG_USB_MUSB_PERIPHERAL is not set +# CONFIG_USB_MUSB_OTG is not set +# CONFIG_USB_GADGET_MUSB_HDRC is not set +CONFIG_USB_MUSB_HDRC_HCD=y +# CONFIG_MUSB_PIO_ONLY is not set +CONFIG_USB_INVENTRA_DMA=y +# CONFIG_USB_TI_CPPI_DMA is not set +# CONFIG_USB_MUSB_DEBUG is not set + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +# CONFIG_USB_STORAGE is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +CONFIG_USB_GADGET=y +# CONFIG_USB_GADGET_DEBUG is not set +# CONFIG_USB_GADGET_DEBUG_FILES is not set +CONFIG_USB_GADGET_SELECTED=y +# CONFIG_USB_GADGET_AMD5536UDC is not set +# CONFIG_USB_GADGET_ATMEL_USBA is not set +# CONFIG_USB_GADGET_FSL_USB2 is not set +# CONFIG_USB_GADGET_NET2280 is not set +# CONFIG_USB_GADGET_PXA25X is not set +CONFIG_USB_GADGET_M66592=y +CONFIG_USB_M66592=y +# CONFIG_USB_GADGET_PXA27X is not set +# CONFIG_USB_GADGET_GOKU is not set +# CONFIG_USB_GADGET_LH7A40X is not set +# CONFIG_USB_GADGET_OMAP is not set +# CONFIG_USB_GADGET_S3C2410 is not set +# CONFIG_USB_GADGET_AT91 is not set +# CONFIG_USB_GADGET_DUMMY_HCD is not set +CONFIG_USB_GADGET_DUALSPEED=y +# CONFIG_USB_ZERO is not set +CONFIG_USB_ETH=m +CONFIG_USB_ETH_RNDIS=y +# CONFIG_USB_GADGETFS is not set +# CONFIG_USB_FILE_STORAGE is not set +# CONFIG_USB_G_SERIAL is not set +# CONFIG_USB_MIDI_GADGET is not set +# CONFIG_USB_G_PRINTER is not set +# CONFIG_USB_CDC_COMPOSITE is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +# CONFIG_MMC_OMAP is not set +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set +# CONFIG_NEW_LEDS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_DMADEVICES is not set + +# +# Voltage and Current regulators +# +# CONFIG_REGULATOR is not set +# CONFIG_REGULATOR_FIXED_VOLTAGE is not set +# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +CONFIG_QUOTA=y +# CONFIG_QUOTA_NETLINK_INTERFACE is not set +CONFIG_PRINT_QUOTA_WARNING=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +CONFIG_FRAME_POINTER=y +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +CONFIG_HAVE_FTRACE=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +# CONFIG_FTRACE is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_LL is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=m +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_CRC_CCITT=y +# CONFIG_CRC16 is not set +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +CONFIG_LIBCRC32C=y +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y -- GitLab From eba2645aeb41d430c4601f6624c44bc971488fe2 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Thu, 9 Oct 2008 17:51:43 +0300 Subject: [PATCH 3285/6244] ARM: OMAP3: Add support for the Gumstix Overo board (rev 3) This patch adds minimal overo support. Signed-off-by: Steve Sakoman Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Kconfig | 3 + arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-overo.c | 242 ++++++++++++++++++ arch/arm/plat-omap/include/mach/board-overo.h | 26 ++ 4 files changed, 272 insertions(+) create mode 100644 arch/arm/mach-omap2/board-overo.c create mode 100644 arch/arm/plat-omap/include/mach/board-overo.h diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 23fd1cc034a0..aef043b87b44 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -48,3 +48,6 @@ config MACH_OMAP3_BEAGLE bool "OMAP3 BEAGLE board" depends on ARCH_OMAP3 && ARCH_OMAP34XX +config MACH_OVERO + bool "Gumstix Overo board" + depends on ARCH_OMAP3 && ARCH_OMAP34XX diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 420ad9accebf..feb9caf771d5 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -30,4 +30,5 @@ obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o +obj-$(CONFIG_MACH_OVERO) += board-overo.o diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c new file mode 100644 index 000000000000..e09aa59a399c --- /dev/null +++ b/arch/arm/mach-omap2/board-overo.c @@ -0,0 +1,242 @@ +/* + * board-overo.c (Gumstix Overo) + * + * Initial code: Steve Sakoman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#define NAND_BLOCK_SIZE SZ_128K +#define GPMC_CS0_BASE 0x60 +#define GPMC_CS_SIZE 0x30 + +static struct mtd_partition overo_nand_partitions[] = { + { + .name = "xloader", + .offset = 0, /* Offset = 0x00000 */ + .size = 4 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE + }, + { + .name = "uboot", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ + .size = 14 * NAND_BLOCK_SIZE, + }, + { + .name = "uboot environment", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */ + .size = 2 * NAND_BLOCK_SIZE, + }, + { + .name = "linux", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .size = 32 * NAND_BLOCK_SIZE, + }, + { + .name = "rootfs", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct omap_nand_platform_data overo_nand_data = { + .parts = overo_nand_partitions, + .nr_parts = ARRAY_SIZE(overo_nand_partitions), + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ +}; + +static struct resource overo_nand_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device overo_nand_device = { + .name = "omap2-nand", + .id = -1, + .dev = { + .platform_data = &overo_nand_data, + }, + .num_resources = 1, + .resource = &overo_nand_resource, +}; + + +static void __init overo_flash_init(void) +{ + u8 cs = 0; + u8 nandcs = GPMC_CS_NUM + 1; + + u32 gpmc_base_add = OMAP34XX_GPMC_VIRT; + + /* find out the chip-select on which NAND exists */ + while (cs < GPMC_CS_NUM) { + u32 ret = 0; + ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); + + if ((ret & 0xC00) == 0x800) { + printk(KERN_INFO "Found NAND on CS%d\n", cs); + if (nandcs > GPMC_CS_NUM) + nandcs = cs; + } + cs++; + } + + if (nandcs > GPMC_CS_NUM) { + printk(KERN_INFO "NAND: Unable to find configuration " + "in GPMC\n "); + return; + } + + if (nandcs < GPMC_CS_NUM) { + overo_nand_data.cs = nandcs; + overo_nand_data.gpmc_cs_baseaddr = (void *) + (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE); + overo_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add); + + printk(KERN_INFO "Registering NAND on CS%d\n", nandcs); + if (platform_device_register(&overo_nand_device) < 0) + printk(KERN_ERR "Unable to register NAND device\n"); + } +} +static struct omap_uart_config overo_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static int __init overo_i2c_init(void) +{ + /* i2c2 pins are used for gpio */ + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + +static void __init overo_init_irq(void) +{ + omap2_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); +} + +static struct platform_device overo_lcd_device = { + .name = "overo_lcd", + .id = -1, +}; + +static struct omap_lcd_config overo_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +static struct omap_board_config_kernel overo_config[] __initdata = { + { OMAP_TAG_UART, &overo_uart_config }, + { OMAP_TAG_LCD, &overo_lcd_config }, +}; + +static struct platform_device *overo_devices[] __initdata = { + &overo_lcd_device, +}; + +static void __init overo_init(void) +{ + overo_i2c_init(); + platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices)); + omap_board_config = overo_config; + omap_board_config_size = ARRAY_SIZE(overo_config); + omap_serial_init(); + overo_flash_init(); + + if ((gpio_request(OVERO_GPIO_W2W_NRESET, + "OVERO_GPIO_W2W_NRESET") == 0) && + (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) { + gpio_export(OVERO_GPIO_W2W_NRESET, 0); + gpio_set_value(OVERO_GPIO_W2W_NRESET, 0); + udelay(10); + gpio_set_value(OVERO_GPIO_W2W_NRESET, 1); + } else { + printk(KERN_ERR "could not obtain gpio for " + "OVERO_GPIO_W2W_NRESET\n"); + } + + if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) && + (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0)) + gpio_export(OVERO_GPIO_BT_XGATE, 0); + else + printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n"); + + if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) && + (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) { + gpio_export(OVERO_GPIO_BT_NRESET, 0); + gpio_set_value(OVERO_GPIO_BT_NRESET, 0); + mdelay(6); + gpio_set_value(OVERO_GPIO_BT_NRESET, 1); + } else { + printk(KERN_ERR "could not obtain gpio for " + "OVERO_GPIO_BT_NRESET\n"); + } + + if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) && + (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0)) + gpio_export(OVERO_GPIO_USBH_CPEN, 0); + else + printk(KERN_ERR "could not obtain gpio for " + "OVERO_GPIO_USBH_CPEN\n"); + + if ((gpio_request(OVERO_GPIO_USBH_NRESET, + "OVERO_GPIO_USBH_NRESET") == 0) && + (gpio_direction_output(OVERO_GPIO_USBH_NRESET, 1) == 0)) + gpio_export(OVERO_GPIO_USBH_NRESET, 0); + else + printk(KERN_ERR "could not obtain gpio for " + "OVERO_GPIO_USBH_NRESET\n"); +} + +static void __init overo_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(OVERO, "Gumstix Overo") + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = overo_map_io, + .init_irq = overo_init_irq, + .init_machine = overo_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/plat-omap/include/mach/board-overo.h b/arch/arm/plat-omap/include/mach/board-overo.h new file mode 100644 index 000000000000..7ecae66966d1 --- /dev/null +++ b/arch/arm/plat-omap/include/mach/board-overo.h @@ -0,0 +1,26 @@ +/* + * board-overo.h (Gumstix Overo) + * + * Initial code: Steve Sakoman + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ASM_ARCH_OVERO_H +#define __ASM_ARCH_OVERO_H + +#define OVERO_GPIO_BT_XGATE 15 +#define OVERO_GPIO_W2W_NRESET 16 +#define OVERO_GPIO_BT_NRESET 164 +#define OVERO_GPIO_USBH_CPEN 168 +#define OVERO_GPIO_USBH_NRESET 183 + +#endif /* ____ASM_ARCH_OVERO_H */ + -- GitLab From a5d8c3483a6e19aca95ef6a2c5890e33bfa5b293 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 9 Oct 2008 11:35:51 +0200 Subject: [PATCH 3286/6244] sched debug: add name to sched_domain sysctl entries add /proc/sys/kernel/sched_domain/cpu0/domain0/name, to make it easier to see which specific scheduler domain remained at that entry. Since we process the scheduler domain tree and simplify it, it's not always immediately clear during debugging which domain came from where. depends on CONFIG_SCHED_DEBUG=y. Signed-off-by: Ingo Molnar --- include/linux/sched.h | 3 +++ kernel/sched.c | 14 ++++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index d8e699b55858..5d0819ee442a 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -824,6 +824,9 @@ struct sched_domain { unsigned int ttwu_move_affine; unsigned int ttwu_move_balance; #endif +#ifdef CONFIG_SCHED_DEBUG + char *name; +#endif }; extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new, diff --git a/kernel/sched.c b/kernel/sched.c index 9715f4ce6cfe..6f230596bd0c 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6351,7 +6351,7 @@ set_table_entry(struct ctl_table *entry, static struct ctl_table * sd_alloc_ctl_domain_table(struct sched_domain *sd) { - struct ctl_table *table = sd_alloc_ctl_entry(12); + struct ctl_table *table = sd_alloc_ctl_entry(13); if (table == NULL) return NULL; @@ -6379,7 +6379,9 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd) sizeof(int), 0644, proc_dointvec_minmax); set_table_entry(&table[10], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax); - /* &table[11] is terminator */ + set_table_entry(&table[11], "name", sd->name, + CORENAME_MAX_SIZE, 0444, proc_dostring); + /* &table[12] is terminator */ return table; } @@ -7263,13 +7265,21 @@ static void init_sched_groups_power(int cpu, struct sched_domain *sd) * Non-inlined to reduce accumulated stack pressure in build_sched_domains() */ +#ifdef CONFIG_SCHED_DEBUG +# define SD_INIT_NAME(sd, type) sd->name = #type +#else +# define SD_INIT_NAME(sd, type) do { } while (0) +#endif + #define SD_INIT(sd, type) sd_init_##type(sd) + #define SD_INIT_FUNC(type) \ static noinline void sd_init_##type(struct sched_domain *sd) \ { \ memset(sd, 0, sizeof(*sd)); \ *sd = SD_##type##_INIT; \ sd->level = SD_LV_##type; \ + SD_INIT_NAME(sd, type); \ } SD_INIT_FUNC(CPU) -- GitLab From ec2a5652ea53c102306f08cdf516f98e32bd4b61 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Thu, 9 Oct 2008 09:45:04 -0700 Subject: [PATCH 3287/6244] phylib: two dynamic mii_bus allocation fallout fixes 1. arch/powerpc/platforms/pasemi/gpio_mdio.c also needs to be converted over to mdiobus_{alloc,free}(). 2. drivers/net/phy/fixed.c used to embed a struct mii_bus into its struct fixed_mdio_bus and then use container_of() to go from the former to the latter. Since mii bus structures are no longer embedded, we need to do something like use the mii bus private pointer to go from mii_bus to fixed_mdio_bus instead. Signed-off-by: Lennert Buytenhek Signed-off-by: David S. Miller --- arch/powerpc/platforms/pasemi/gpio_mdio.c | 4 ++-- drivers/net/phy/fixed.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index 798c7abe1604..75cc165d5bee 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -230,7 +230,7 @@ static int __devinit gpio_mdio_probe(struct of_device *ofdev, if (!priv) goto out; - new_bus = kzalloc(sizeof(struct mii_bus), GFP_KERNEL); + new_bus = mdiobus_alloc(); if (!new_bus) goto out_free_priv; @@ -306,7 +306,7 @@ static int gpio_mdio_remove(struct of_device *dev) kfree(bus->priv); bus->priv = NULL; - kfree(bus); + mdiobus_free(bus); return 0; } diff --git a/drivers/net/phy/fixed.c b/drivers/net/phy/fixed.c index b5e13f8d5e31..cf24cc34debe 100644 --- a/drivers/net/phy/fixed.c +++ b/drivers/net/phy/fixed.c @@ -115,8 +115,7 @@ static int fixed_phy_update_regs(struct fixed_phy *fp) static int fixed_mdio_read(struct mii_bus *bus, int phy_id, int reg_num) { - struct fixed_mdio_bus *fmb = container_of(bus, struct fixed_mdio_bus, - mii_bus); + struct fixed_mdio_bus *fmb = bus->priv; struct fixed_phy *fp; if (reg_num >= MII_REGS_NUM) @@ -221,6 +220,7 @@ static int __init fixed_mdio_bus_init(void) snprintf(fmb->mii_bus->id, MII_BUS_ID_SIZE, "0"); fmb->mii_bus->name = "Fixed MDIO Bus"; + fmb->mii_bus->priv = fmb; fmb->mii_bus->parent = &pdev->dev; fmb->mii_bus->read = &fixed_mdio_read; fmb->mii_bus->write = &fixed_mdio_write; -- GitLab From 03254e65a60d3113164672dbbadc023c4a56ecd1 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 9 Oct 2008 13:27:55 -0400 Subject: [PATCH 3288/6244] NFS: Fix attribute updates This fixes a regression seen when running the Connectathon testsuite against an ext3 filesystem. The reason was that the inode was constantly being marked as 'just updated' by the jiffy wraparound test. This again meant that newer GETATTR calls were failing to pass the nfs_inode_attrs_need_update() test unless the changes caused a ctime update on the server, since they were perceived as having been started before the latest inode update. Given that nfs_inode_attrs_need_update() already checks for wraparound of nfsi->last_updated, we can drop the buggy "protection" in nfs_update_inode(). Also make a slight micro-optimisation of nfs_inode_attrs_need_update(): we are more often going to see time_after(fattr->time_start, nfsi->last_updated) be true, rather than seeing an update of ctime/size, so put that test first to ensure that we optimise away the ctime/size tests. Signed-off-by: Trond Myklebust --- fs/nfs/inode.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index e25009f35cc2..6554281e24a2 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -933,10 +933,10 @@ static int nfs_inode_attrs_need_update(const struct inode *inode, const struct n { const struct nfs_inode *nfsi = NFS_I(inode); - return nfs_ctime_need_update(inode, fattr) || - nfs_size_need_update(inode, fattr) || - time_after(fattr->time_start, nfsi->last_updated) || - time_after(nfsi->last_updated, jiffies); + return time_after(fattr->time_start, nfsi->last_updated) || + nfs_ctime_need_update(inode, fattr) || + nfs_size_need_update(inode, fattr) || + time_after(nfsi->last_updated, jiffies); } static int nfs_refresh_inode_locked(struct inode *inode, struct nfs_fattr *fattr) @@ -1167,11 +1167,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfsi->attrtimeo = NFS_MAXATTRTIMEO(inode); nfsi->attrtimeo_timestamp = now; } - /* - * Avoid jiffy wraparound issues with nfsi->last_updated - */ - if (!time_in_range(nfsi->last_updated, nfsi->read_cache_jiffies, now)) - nfsi->last_updated = nfsi->read_cache_jiffies; } invalid &= ~NFS_INO_INVALID_ATTR; /* Don't invalidate the data if we were to blame */ -- GitLab From 8d5922572038bae9f7b16fcb974eee806727b44c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?N=C3=A9meth=20M=C3=A1rton?= Date: Thu, 9 Oct 2008 14:59:17 +0200 Subject: [PATCH 3289/6244] [CPUFREQ] correct broken links and email addresses MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace the no longer working links and email address in the documentation and in source code. Signed-off-by: Márton Németh Signed-off-by: Dave Jones --- Documentation/cpu-freq/index.txt | 10 ++++------ arch/x86/kernel/cpu/cpufreq/p4-clockmod.c | 2 +- arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c | 2 +- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/Documentation/cpu-freq/index.txt b/Documentation/cpu-freq/index.txt index ffdb5323df37..3d0b915035b9 100644 --- a/Documentation/cpu-freq/index.txt +++ b/Documentation/cpu-freq/index.txt @@ -35,11 +35,9 @@ Mailing List ------------ There is a CPU frequency changing CVS commit and general list where you can report bugs, problems or submit patches. To post a message, -send an email to cpufreq@lists.linux.org.uk, to subscribe go to -http://lists.linux.org.uk/mailman/listinfo/cpufreq. Previous post to the -mailing list are available to subscribers at -http://lists.linux.org.uk/mailman/private/cpufreq/. - +send an email to cpufreq@vger.kernel.org, to subscribe go to +http://vger.kernel.org/vger-lists.html#cpufreq and follow the +instructions there. Links ----- @@ -50,7 +48,7 @@ how to access the CVS repository: * http://cvs.arm.linux.org.uk/ the CPUFreq Mailing list: -* http://lists.linux.org.uk/mailman/listinfo/cpufreq +* http://vger.kernel.org/vger-lists.html#cpufreq Clock and voltage scaling for the SA-1100: * http://www.lartmaker.nl/projects/scaling diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index f1685fb91fbd..b8e05ee4f736 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -171,7 +171,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) } if (c->x86 != 0xF) { - printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to \n"); + printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to \n"); return 0; } diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c index 15e13c01cc36..3b5f06423e77 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c @@ -26,7 +26,7 @@ #include #define PFX "speedstep-centrino: " -#define MAINTAINER "cpufreq@lists.linux.org.uk" +#define MAINTAINER "cpufreq@vger.kernel.org" #define dprintk(msg...) \ cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "speedstep-centrino", msg) -- GitLab From 18c6faa9624bf5d9d7da3906a8a1b909dba5899b Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Mon, 28 Jul 2008 13:00:49 +0200 Subject: [PATCH 3290/6244] [CPUFREQ] Coding style fixes to arch/x86/kernel/cpu/cpufreq/elanfreq.c Before: total: 15 errors, 10 warnings, 308 lines checked After: total: 0 errors, 4 warnings, 308 lines checked paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/elafreq.o.* add1d36c2f077c5aab7682e8642a9f34 /tmp/elafreq.o.after add1d36c2f077c5aab7682e8642a9f34 /tmp/elafreq.o.before paolo@paolo-desktop:~/linux.trees.git$ size /tmp/elafreq.o.* text data bss dec hex filename 934 270 4 1208 4b8 /tmp/elafreq.o.after 934 270 4 1208 4b8 /tmp/elafreq.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Dave Jones --- arch/x86/kernel/cpu/cpufreq/elanfreq.c | 42 +++++++++++++------------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/cpu/cpufreq/elanfreq.c b/arch/x86/kernel/cpu/cpufreq/elanfreq.c index e4a4bf870e94..fe613c93b366 100644 --- a/arch/x86/kernel/cpu/cpufreq/elanfreq.c +++ b/arch/x86/kernel/cpu/cpufreq/elanfreq.c @@ -25,8 +25,8 @@ #include #include -#include -#include +#include +#include #define REG_CSCIR 0x22 /* Chip Setup and Control Index Register */ #define REG_CSCDR 0x23 /* Chip Setup and Control Data Register */ @@ -82,7 +82,7 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu) u8 clockspeed_reg; /* Clock Speed Register */ local_irq_disable(); - outb_p(0x80,REG_CSCIR); + outb_p(0x80, REG_CSCIR); clockspeed_reg = inb_p(REG_CSCDR); local_irq_enable(); @@ -98,10 +98,10 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu) } /* 33 MHz is not 32 MHz... */ - if ((clockspeed_reg & 0xE0)==0xA0) + if ((clockspeed_reg & 0xE0) == 0xA0) return 33000; - return ((1<<((clockspeed_reg & 0xE0) >> 5)) * 1000); + return (1<<((clockspeed_reg & 0xE0) >> 5)) * 1000; } @@ -117,7 +117,7 @@ static unsigned int elanfreq_get_cpu_frequency(unsigned int cpu) * There is no return value. */ -static void elanfreq_set_cpu_state (unsigned int state) +static void elanfreq_set_cpu_state(unsigned int state) { struct cpufreq_freqs freqs; @@ -144,20 +144,20 @@ static void elanfreq_set_cpu_state (unsigned int state) */ local_irq_disable(); - outb_p(0x40,REG_CSCIR); /* Disable hyperspeed mode */ - outb_p(0x00,REG_CSCDR); + outb_p(0x40, REG_CSCIR); /* Disable hyperspeed mode */ + outb_p(0x00, REG_CSCDR); local_irq_enable(); /* wait till internal pipelines and */ udelay(1000); /* buffers have cleaned up */ local_irq_disable(); /* now, set the CPU clock speed register (0x80) */ - outb_p(0x80,REG_CSCIR); - outb_p(elan_multiplier[state].val80h,REG_CSCDR); + outb_p(0x80, REG_CSCIR); + outb_p(elan_multiplier[state].val80h, REG_CSCDR); /* now, the hyperspeed bit in PMU Force Mode Register (0x40) */ - outb_p(0x40,REG_CSCIR); - outb_p(elan_multiplier[state].val40h,REG_CSCDR); + outb_p(0x40, REG_CSCIR); + outb_p(elan_multiplier[state].val40h, REG_CSCDR); udelay(10000); local_irq_enable(); @@ -173,12 +173,12 @@ static void elanfreq_set_cpu_state (unsigned int state) * for the hardware supported by the driver. */ -static int elanfreq_verify (struct cpufreq_policy *policy) +static int elanfreq_verify(struct cpufreq_policy *policy) { return cpufreq_frequency_table_verify(policy, &elanfreq_table[0]); } -static int elanfreq_target (struct cpufreq_policy *policy, +static int elanfreq_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { @@ -205,7 +205,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy) /* capability check */ if ((c->x86_vendor != X86_VENDOR_AMD) || - (c->x86 != 4) || (c->x86_model!=10)) + (c->x86 != 4) || (c->x86_model != 10)) return -ENODEV; /* max freq */ @@ -213,7 +213,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy) max_freq = elanfreq_get_cpu_frequency(0); /* table init */ - for (i=0; (elanfreq_table[i].frequency != CPUFREQ_TABLE_END); i++) { + for (i = 0; (elanfreq_table[i].frequency != CPUFREQ_TABLE_END); i++) { if (elanfreq_table[i].frequency > max_freq) elanfreq_table[i].frequency = CPUFREQ_ENTRY_INVALID; } @@ -224,7 +224,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy) result = cpufreq_frequency_table_cpuinfo(policy, elanfreq_table); if (result) - return (result); + return result; cpufreq_frequency_table_get_attr(elanfreq_table, policy->cpu); return 0; @@ -260,7 +260,7 @@ __setup("elanfreq=", elanfreq_setup); #endif -static struct freq_attr* elanfreq_attr[] = { +static struct freq_attr *elanfreq_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, NULL, }; @@ -284,9 +284,9 @@ static int __init elanfreq_init(void) /* Test if we have the right hardware */ if ((c->x86_vendor != X86_VENDOR_AMD) || - (c->x86 != 4) || (c->x86_model!=10)) { + (c->x86 != 4) || (c->x86_model != 10)) { printk(KERN_INFO "elanfreq: error: no Elan processor found!\n"); - return -ENODEV; + return -ENODEV; } return cpufreq_register_driver(&elanfreq_driver); } @@ -298,7 +298,7 @@ static void __exit elanfreq_exit(void) } -module_param (max_freq, int, 0444); +module_param(max_freq, int, 0444); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Robert Schwebel , Sven Geggus "); -- GitLab From 8d2d2051e50c4ca0207a42b243369e22f7d90a5c Mon Sep 17 00:00:00 2001 From: Paolo Ciarrocchi Date: Mon, 28 Jul 2008 21:08:16 +0200 Subject: [PATCH 3291/6244] [CPUFREQ] Coding style fixes to arch/x86/kernel/cpu/cpufreq/powernow-k6.c Before: total: 11 errors, 15 warnings, 255 lines checked After: total: 0 errors, 6 warnings, 254 lines checked paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/powernow-k6.o.* 476932f5e1ffe365db9d1dfb3f860369 /tmp/powernow-k6.o.after 476932f5e1ffe365db9d1dfb3f860369 /tmp/powernow-k6.o.before Signed-off-by: Paolo Ciarrocchi Signed-off-by: Dave Jones --- arch/x86/kernel/cpu/cpufreq/powernow-k6.c | 41 +++++++++++------------ 1 file changed, 20 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c index eb9b62b0830c..b5ced806a316 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c @@ -15,12 +15,11 @@ #include #include -#include -#include +#include +#include - -#define POWERNOW_IOPORT 0xfff0 /* it doesn't matter where, as long - as it is unused */ +#define POWERNOW_IOPORT 0xfff0 /* it doesn't matter where, as long + as it is unused */ static unsigned int busfreq; /* FSB, in 10 kHz */ static unsigned int max_multiplier; @@ -53,7 +52,7 @@ static int powernow_k6_get_cpu_multiplier(void) msrval = POWERNOW_IOPORT + 0x1; wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */ - invalue=inl(POWERNOW_IOPORT + 0x8); + invalue = inl(POWERNOW_IOPORT + 0x8); msrval = POWERNOW_IOPORT + 0x0; wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */ @@ -67,9 +66,9 @@ static int powernow_k6_get_cpu_multiplier(void) * * Tries to change the PowerNow! multiplier */ -static void powernow_k6_set_state (unsigned int best_i) +static void powernow_k6_set_state(unsigned int best_i) { - unsigned long outvalue=0, invalue=0; + unsigned long outvalue = 0, invalue = 0; unsigned long msrval; struct cpufreq_freqs freqs; @@ -90,10 +89,10 @@ static void powernow_k6_set_state (unsigned int best_i) msrval = POWERNOW_IOPORT + 0x1; wrmsr(MSR_K6_EPMR, msrval, 0); /* enable the PowerNow port */ - invalue=inl(POWERNOW_IOPORT + 0x8); + invalue = inl(POWERNOW_IOPORT + 0x8); invalue = invalue & 0xf; outvalue = outvalue | invalue; - outl(outvalue ,(POWERNOW_IOPORT + 0x8)); + outl(outvalue , (POWERNOW_IOPORT + 0x8)); msrval = POWERNOW_IOPORT + 0x0; wrmsr(MSR_K6_EPMR, msrval, 0); /* disable it again */ @@ -124,7 +123,7 @@ static int powernow_k6_verify(struct cpufreq_policy *policy) * * sets a new CPUFreq policy */ -static int powernow_k6_target (struct cpufreq_policy *policy, +static int powernow_k6_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { @@ -152,7 +151,7 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy) busfreq = cpu_khz / max_multiplier; /* table init */ - for (i=0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) { + for (i = 0; (clock_ratio[i].frequency != CPUFREQ_TABLE_END); i++) { if (clock_ratio[i].index > max_multiplier) clock_ratio[i].frequency = CPUFREQ_ENTRY_INVALID; else @@ -165,7 +164,7 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy) result = cpufreq_frequency_table_cpuinfo(policy, clock_ratio); if (result) - return (result); + return result; cpufreq_frequency_table_get_attr(clock_ratio, policy->cpu); @@ -176,8 +175,8 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy) static int powernow_k6_cpu_exit(struct cpufreq_policy *policy) { unsigned int i; - for (i=0; i<8; i++) { - if (i==max_multiplier) + for (i = 0; i < 8; i++) { + if (i == max_multiplier) powernow_k6_set_state(i); } cpufreq_frequency_table_put_attr(policy->cpu); @@ -189,7 +188,7 @@ static unsigned int powernow_k6_get(unsigned int cpu) return busfreq * powernow_k6_get_cpu_multiplier(); } -static struct freq_attr* powernow_k6_attr[] = { +static struct freq_attr *powernow_k6_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, NULL, }; @@ -227,7 +226,7 @@ static int __init powernow_k6_init(void) } if (cpufreq_register_driver(&powernow_k6_driver)) { - release_region (POWERNOW_IOPORT, 16); + release_region(POWERNOW_IOPORT, 16); return -EINVAL; } @@ -243,13 +242,13 @@ static int __init powernow_k6_init(void) static void __exit powernow_k6_exit(void) { cpufreq_unregister_driver(&powernow_k6_driver); - release_region (POWERNOW_IOPORT, 16); + release_region(POWERNOW_IOPORT, 16); } -MODULE_AUTHOR ("Arjan van de Ven , Dave Jones , Dominik Brodowski "); -MODULE_DESCRIPTION ("PowerNow! driver for AMD K6-2+ / K6-3+ processors."); -MODULE_LICENSE ("GPL"); +MODULE_AUTHOR("Arjan van de Ven , Dave Jones , Dominik Brodowski "); +MODULE_DESCRIPTION("PowerNow! driver for AMD K6-2+ / K6-3+ processors."); +MODULE_LICENSE("GPL"); module_init(powernow_k6_init); module_exit(powernow_k6_exit); -- GitLab From 847aef6ffd85787b62395b64719f8f7c5975bf1b Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 14 Jul 2008 11:59:44 +0900 Subject: [PATCH 3292/6244] [CPUFREQ] acpi-cpufreq: add error handling for cpufreq_register_driver() error add error handling for cpufreq_register_driver() error Signed-off-by: Akinobu Mita Cc: cpufreq@lists.linux.org.uk Signed-off-by: Dave Jones --- arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index dd097b835839..1def5b06fa4a 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -785,7 +785,11 @@ static int __init acpi_cpufreq_init(void) if (ret) return ret; - return cpufreq_register_driver(&acpi_cpufreq_driver); + ret = cpufreq_register_driver(&acpi_cpufreq_driver); + if (ret) + free_percpu(acpi_perf_data); + + return ret; } static void __exit acpi_cpufreq_exit(void) @@ -795,8 +799,6 @@ static void __exit acpi_cpufreq_exit(void) cpufreq_unregister_driver(&acpi_cpufreq_driver); free_percpu(acpi_perf_data); - - return; } module_param(acpi_pstate_strict, uint, 0644); -- GitLab From 888a794cacd8950ac6be701db20b62a4ab2ce90c Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 14 Jul 2008 12:00:45 +0900 Subject: [PATCH 3293/6244] [CPUFREQ] add error handling for cpufreq_register_governor() error Add error handling for cpufreq_register_governor() error Signed-off-by: Akinobu Mita Cc: cpufreq@lists.linux.org.uk Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 33855cb3cf16..67c9d4f9edc0 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -589,12 +589,18 @@ EXPORT_SYMBOL(cpufreq_gov_ondemand); static int __init cpufreq_gov_dbs_init(void) { + int err; + kondemand_wq = create_workqueue("kondemand"); if (!kondemand_wq) { printk(KERN_ERR "Creation of kondemand failed\n"); return -EFAULT; } - return cpufreq_register_governor(&cpufreq_gov_ondemand); + err = cpufreq_register_governor(&cpufreq_gov_ondemand); + if (err) + destroy_workqueue(kondemand_wq); + + return err; } static void __exit cpufreq_gov_dbs_exit(void) -- GitLab From f1829e4a371f26430185a9d5b97b8d9d19824e08 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 25 Jul 2008 22:44:53 +0200 Subject: [PATCH 3294/6244] [CPUFREQ] drivers/cpufreq/cpufreq.c: Adjust error handling code involving cpufreq_cpu_put After calling cpufreq_cpu_get, error handling code should call cpufreq_cpu_put. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // @r@ expression x,E; statement S; position p1,p2,p3; @@ ( if ((x = cpufreq_cpu_get@p1(...)) == NULL || ...) S | x = cpufreq_cpu_get@p1(...) ... when != x if (x == NULL || ...) S ) <... if@p3 (...) { ... when != cpufreq_cpu_put(x) when != if (x) { ... cpufreq_cpu_put(x); ...} return@p2 ...; } ...> ( return x; | return 0; | x = E | E = x | cpufreq_cpu_put(x) ) @exists@ position r.p1,r.p2,r.p3; expression x; int ret != 0; statement S; @@ * x = cpufreq_cpu_get@p1(...) <... * if@p3 (...) S ...> * return@p2 \(NULL\|ret\); // Signed-off-by: Julia Lawall Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 8a67f16987db..9bbdc258624c 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1467,20 +1467,22 @@ int cpufreq_driver_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { - int ret; + int ret = -EINVAL; policy = cpufreq_cpu_get(policy->cpu); if (!policy) - return -EINVAL; + goto no_policy; if (unlikely(lock_policy_rwsem_write(policy->cpu))) - return -EINVAL; + goto fail; ret = __cpufreq_driver_target(policy, target_freq, relation); unlock_policy_rwsem_write(policy->cpu); +fail: cpufreq_cpu_put(policy); +no_policy: return ret; } EXPORT_SYMBOL_GPL(cpufreq_driver_target); @@ -1717,13 +1719,17 @@ int cpufreq_update_policy(unsigned int cpu) { struct cpufreq_policy *data = cpufreq_cpu_get(cpu); struct cpufreq_policy policy; - int ret = 0; + int ret; - if (!data) - return -ENODEV; + if (!data) { + ret = -ENODEV; + goto no_policy; + } - if (unlikely(lock_policy_rwsem_write(cpu))) - return -EINVAL; + if (unlikely(lock_policy_rwsem_write(cpu))) { + ret = -EINVAL; + goto fail; + } dprintk("updating policy for CPU %u\n", cpu); memcpy(&policy, data, sizeof(struct cpufreq_policy)); @@ -1750,7 +1756,9 @@ int cpufreq_update_policy(unsigned int cpu) unlock_policy_rwsem_write(cpu); +fail: cpufreq_cpu_put(data); +no_policy: return ret; } EXPORT_SYMBOL(cpufreq_update_policy); -- GitLab From 8217e4f4c93e5fb59bb3cd1e6135213889349f86 Mon Sep 17 00:00:00 2001 From: Ben Slusky Date: Mon, 7 Jul 2008 13:16:20 -0400 Subject: [PATCH 3295/6244] [CPUFREQ] use deferrable delayed work init in conservative governor Venki Pallipadi made a similar change to the ondemand governor a while back (in commit 28287033e12463c8ff89f1ea8038783d0360391c). It seems to work just as well in the conservative governor, leading to fewer wakeups as reported by powertop. Signed-off-by: Ben Slusky Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_conservative.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index ac0bbf2d234f..4ee53a4c6d2c 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -460,6 +460,7 @@ static void do_dbs_timer(struct work_struct *work) static inline void dbs_timer_init(void) { + init_timer_deferrable(&dbs_work.timer); schedule_delayed_work(&dbs_work, usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); return; -- GitLab From bf0b90e357c883e8efd72954432efe652de74c76 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:07 -0700 Subject: [PATCH 3296/6244] [CPUFREQ][1/6] cpufreq: Add cpu number parameter to __cpufreq_driver_getavg() Add a cpu parameter to __cpufreq_driver_getavg(). This is needed for software cpufreq coordination where policy->cpu may not be same as the CPU on which we want to getavg frequency. A follow-on patch will use this parameter to getavg freq from all cpus in policy->cpus. Change since last patch. Fix the offline/online and suspend/resume oops reported by Youquan Song Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 5 +++-- drivers/cpufreq/cpufreq.c | 6 +++--- drivers/cpufreq/cpufreq_ondemand.c | 2 +- include/linux/cpufreq.h | 7 +++++-- 4 files changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 1def5b06fa4a..c24c4a487b7c 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -256,7 +256,8 @@ static u32 get_cur_val(const cpumask_t *mask) * Only IA32_APERF/IA32_MPERF ratio is architecturally defined and * no meaning should be associated with absolute values of these MSRs. */ -static unsigned int get_measured_perf(unsigned int cpu) +static unsigned int get_measured_perf(struct cpufreq_policy *policy, + unsigned int cpu) { union { struct { @@ -326,7 +327,7 @@ static unsigned int get_measured_perf(unsigned int cpu) #endif - retval = per_cpu(drv_data, cpu)->max_freq * perf_percent / 100; + retval = per_cpu(drv_data, policy->cpu)->max_freq * perf_percent / 100; put_cpu(); set_cpus_allowed_ptr(current, &saved_mask); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 9bbdc258624c..31d6f535a79d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1487,7 +1487,7 @@ no_policy: } EXPORT_SYMBOL_GPL(cpufreq_driver_target); -int __cpufreq_driver_getavg(struct cpufreq_policy *policy) +int __cpufreq_driver_getavg(struct cpufreq_policy *policy, unsigned int cpu) { int ret = 0; @@ -1495,8 +1495,8 @@ int __cpufreq_driver_getavg(struct cpufreq_policy *policy) if (!policy) return -EINVAL; - if (cpu_online(policy->cpu) && cpufreq_driver->getavg) - ret = cpufreq_driver->getavg(policy->cpu); + if (cpu_online(cpu) && cpufreq_driver->getavg) + ret = cpufreq_driver->getavg(policy, cpu); cpufreq_cpu_put(policy); return ret; diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 67c9d4f9edc0..f56debd9a8d7 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -415,7 +415,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) if (load < (dbs_tuners_ins.up_threshold - 10)) { unsigned int freq_next, freq_cur; - freq_cur = __cpufreq_driver_getavg(policy); + freq_cur = __cpufreq_driver_getavg(policy, policy->cpu); if (!freq_cur) freq_cur = policy->cur; diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 6fd5668aa572..1ee608fd7b77 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -187,7 +187,8 @@ extern int __cpufreq_driver_target(struct cpufreq_policy *policy, unsigned int relation); -extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy); +extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy, + unsigned int cpu); int cpufreq_register_governor(struct cpufreq_governor *governor); void cpufreq_unregister_governor(struct cpufreq_governor *governor); @@ -226,7 +227,9 @@ struct cpufreq_driver { unsigned int (*get) (unsigned int cpu); /* optional */ - unsigned int (*getavg) (unsigned int cpu); + unsigned int (*getavg) (struct cpufreq_policy *policy, + unsigned int cpu); + int (*exit) (struct cpufreq_policy *policy); int (*suspend) (struct cpufreq_policy *policy, pm_message_t pmsg); int (*resume) (struct cpufreq_policy *policy); -- GitLab From c43aa3bd99a67009a167430e80c5fde6f37288d8 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:08 -0700 Subject: [PATCH 3297/6244] [CPUFREQ][2/6] cpufreq: Change load calculation in ondemand for software coordination Change the load calculation algorithm in ondemand to work well with software coordination of frequency across the dependent cpus. Multiply individual CPU utilization with the average freq of that logical CPU during the measurement interval (using getavg call). And find the max CPU utilization number in terms of CPU freq. That number is then used to get to the target freq for next sampling interval. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 65 ++++++++++++++++-------------- 1 file changed, 35 insertions(+), 30 deletions(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index f56debd9a8d7..42fcb146ba22 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -334,9 +334,7 @@ static struct attribute_group dbs_attr_group = { static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) { - unsigned int idle_ticks, total_ticks; - unsigned int load = 0; - cputime64_t cur_jiffies; + unsigned int max_load_freq; struct cpufreq_policy *policy; unsigned int j; @@ -346,13 +344,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) this_dbs_info->freq_lo = 0; policy = this_dbs_info->cur_policy; - cur_jiffies = jiffies64_to_cputime64(get_jiffies_64()); - total_ticks = (unsigned int) cputime64_sub(cur_jiffies, - this_dbs_info->prev_cpu_wall); - this_dbs_info->prev_cpu_wall = get_jiffies_64(); - if (!total_ticks) - return; /* * Every sampling_rate, we check, if current idle time is less * than 20% (default), then we try to increase frequency @@ -365,27 +357,46 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * 5% (default) of current frequency */ - /* Get Idle Time */ - idle_ticks = UINT_MAX; + /* Get Absolute Load - in terms of freq */ + max_load_freq = 0; + for_each_cpu_mask_nr(j, policy->cpus) { - cputime64_t total_idle_ticks; - unsigned int tmp_idle_ticks; struct cpu_dbs_info_s *j_dbs_info; + cputime64_t cur_wall_time, cur_idle_time; + unsigned int idle_time, wall_time; + unsigned int load, load_freq; + int freq_avg; j_dbs_info = &per_cpu(cpu_dbs_info, j); - total_idle_ticks = get_cpu_idle_time(j); - tmp_idle_ticks = (unsigned int) cputime64_sub(total_idle_ticks, + cur_wall_time = jiffies64_to_cputime64(get_jiffies_64()); + wall_time = (unsigned int) cputime64_sub(cur_wall_time, + j_dbs_info->prev_cpu_wall); + j_dbs_info->prev_cpu_wall = cur_wall_time; + + cur_idle_time = get_cpu_idle_time(j); + idle_time = (unsigned int) cputime64_sub(cur_idle_time, j_dbs_info->prev_cpu_idle); - j_dbs_info->prev_cpu_idle = total_idle_ticks; + j_dbs_info->prev_cpu_idle = cur_idle_time; - if (tmp_idle_ticks < idle_ticks) - idle_ticks = tmp_idle_ticks; + if (unlikely(wall_time <= idle_time || + (cputime_to_msecs(wall_time) < + dbs_tuners_ins.sampling_rate / (2 * 1000)))) { + continue; + } + + load = 100 * (wall_time - idle_time) / wall_time; + + freq_avg = __cpufreq_driver_getavg(policy, j); + if (freq_avg <= 0) + freq_avg = policy->cur; + + load_freq = load * freq_avg; + if (load_freq > max_load_freq) + max_load_freq = load_freq; } - if (likely(total_ticks > idle_ticks)) - load = (100 * (total_ticks - idle_ticks)) / total_ticks; /* Check for frequency increase */ - if (load > dbs_tuners_ins.up_threshold) { + if (max_load_freq > dbs_tuners_ins.up_threshold * policy->cur) { /* if we are already at full speed then break out early */ if (!dbs_tuners_ins.powersave_bias) { if (policy->cur == policy->max) @@ -412,15 +423,9 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * can support the current CPU usage without triggering the up * policy. To be safe, we focus 10 points under the threshold. */ - if (load < (dbs_tuners_ins.up_threshold - 10)) { - unsigned int freq_next, freq_cur; - - freq_cur = __cpufreq_driver_getavg(policy, policy->cpu); - if (!freq_cur) - freq_cur = policy->cur; - - freq_next = (freq_cur * load) / - (dbs_tuners_ins.up_threshold - 10); + if (max_load_freq < (dbs_tuners_ins.up_threshold - 10) * policy->cur) { + unsigned int freq_next; + freq_next = max_load_freq / (dbs_tuners_ins.up_threshold - 10); if (!dbs_tuners_ins.powersave_bias) { __cpufreq_driver_target(policy, freq_next, -- GitLab From 3430502d356284ff4f7782d75bb01a402fd3d45e Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:09 -0700 Subject: [PATCH 3298/6244] [CPUFREQ][3/6] cpufreq: get_cpu_idle_time() changes in ondemand for idle-microaccounting Preparatory changes for doing idle micro-accounting in ondemand governor. get_cpu_idle_time() gets extra parameter and returns idle time and also the wall time that corresponds to the idle time measurement. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 42fcb146ba22..b935092aab21 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -94,13 +94,13 @@ static struct dbs_tuners { .powersave_bias = 0, }; -static inline cputime64_t get_cpu_idle_time(unsigned int cpu) +static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall) { cputime64_t idle_time; - cputime64_t cur_jiffies; + cputime64_t cur_wall_time; cputime64_t busy_time; - cur_jiffies = jiffies64_to_cputime64(get_jiffies_64()); + cur_wall_time = jiffies64_to_cputime64(get_jiffies_64()); busy_time = cputime64_add(kstat_cpu(cpu).cpustat.user, kstat_cpu(cpu).cpustat.system); @@ -113,7 +113,10 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu) kstat_cpu(cpu).cpustat.nice); } - idle_time = cputime64_sub(cur_jiffies, busy_time); + idle_time = cputime64_sub(cur_wall_time, busy_time); + if (wall) + *wall = cur_wall_time; + return idle_time; } @@ -277,8 +280,8 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy, for_each_online_cpu(j) { struct cpu_dbs_info_s *dbs_info; dbs_info = &per_cpu(cpu_dbs_info, j); - dbs_info->prev_cpu_idle = get_cpu_idle_time(j); - dbs_info->prev_cpu_wall = get_jiffies_64(); + dbs_info->prev_cpu_idle = get_cpu_idle_time(j, + &dbs_info->prev_cpu_wall); } mutex_unlock(&dbs_mutex); @@ -368,21 +371,19 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) int freq_avg; j_dbs_info = &per_cpu(cpu_dbs_info, j); - cur_wall_time = jiffies64_to_cputime64(get_jiffies_64()); + + cur_idle_time = get_cpu_idle_time(j, &cur_wall_time); + wall_time = (unsigned int) cputime64_sub(cur_wall_time, j_dbs_info->prev_cpu_wall); j_dbs_info->prev_cpu_wall = cur_wall_time; - cur_idle_time = get_cpu_idle_time(j); idle_time = (unsigned int) cputime64_sub(cur_idle_time, j_dbs_info->prev_cpu_idle); j_dbs_info->prev_cpu_idle = cur_idle_time; - if (unlikely(wall_time <= idle_time || - (cputime_to_msecs(wall_time) < - dbs_tuners_ins.sampling_rate / (2 * 1000)))) { + if (unlikely(!wall_time || wall_time < idle_time)) continue; - } load = 100 * (wall_time - idle_time) / wall_time; @@ -531,8 +532,8 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, j_dbs_info = &per_cpu(cpu_dbs_info, j); j_dbs_info->cur_policy = policy; - j_dbs_info->prev_cpu_idle = get_cpu_idle_time(j); - j_dbs_info->prev_cpu_wall = get_jiffies_64(); + j_dbs_info->prev_cpu_idle = get_cpu_idle_time(j, + &j_dbs_info->prev_cpu_wall); } this_dbs_info->cpu = cpu; /* -- GitLab From e9d95bf7eb929b9ddc9af9f4327b76c77ed4c7d6 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:10 -0700 Subject: [PATCH 3299/6244] [CPUFREQ][4/6] cpufreq_ondemand: Parameterize down differential Use a parameter for down differential, instead of hardcoded 10%. Follow-on patch changes the down-differential dynamically, based on whether we are using idle micro-accounting or not. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index b935092aab21..3f898606e68c 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -24,6 +24,7 @@ * It helps to keep variable names smaller, simpler */ +#define DEF_FREQUENCY_DOWN_DIFFERENTIAL (10) #define DEF_FREQUENCY_UP_THRESHOLD (80) #define MIN_FREQUENCY_UP_THRESHOLD (11) #define MAX_FREQUENCY_UP_THRESHOLD (100) @@ -86,10 +87,12 @@ static struct workqueue_struct *kondemand_wq; static struct dbs_tuners { unsigned int sampling_rate; unsigned int up_threshold; + unsigned int down_differential; unsigned int ignore_nice; unsigned int powersave_bias; } dbs_tuners_ins = { .up_threshold = DEF_FREQUENCY_UP_THRESHOLD, + .down_differential = DEF_FREQUENCY_DOWN_DIFFERENTIAL, .ignore_nice = 0, .powersave_bias = 0, }; @@ -424,9 +427,13 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * can support the current CPU usage without triggering the up * policy. To be safe, we focus 10 points under the threshold. */ - if (max_load_freq < (dbs_tuners_ins.up_threshold - 10) * policy->cur) { + if (max_load_freq < + (dbs_tuners_ins.up_threshold - dbs_tuners_ins.down_differential) * + policy->cur) { unsigned int freq_next; - freq_next = max_load_freq / (dbs_tuners_ins.up_threshold - 10); + freq_next = max_load_freq / + (dbs_tuners_ins.up_threshold - + dbs_tuners_ins.down_differential); if (!dbs_tuners_ins.powersave_bias) { __cpufreq_driver_target(policy, freq_next, -- GitLab From 8083e4ad970e4eb567e31037060cdd4ba346f0c0 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:11 -0700 Subject: [PATCH 3300/6244] [CPUFREQ][5/6] cpufreq: Changes to get_cpu_idle_time_us(), used by ondemand governor export get_cpu_idle_time_us() for it to be used in ondemand governor. Last update time can be current time when the CPU is currently non-idle, accounting for the busy time since last idle. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- include/linux/tick.h | 2 +- kernel/time/tick-sched.c | 11 ++++++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/include/linux/tick.h b/include/linux/tick.h index 8cf8cfe2cc97..98921a3e1aa8 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -126,7 +126,7 @@ static inline ktime_t tick_nohz_get_sleep_length(void) return len; } static inline void tick_nohz_stop_idle(int cpu) { } -static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return 0; } +static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; } # endif /* !NO_HZ */ #endif diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index cb02324bdb88..a4d219398167 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -20,6 +20,7 @@ #include #include #include +#include #include @@ -190,9 +191,17 @@ u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time) { struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu); - *last_update_time = ktime_to_us(ts->idle_lastupdate); + if (!tick_nohz_enabled) + return -1; + + if (ts->idle_active) + *last_update_time = ktime_to_us(ts->idle_lastupdate); + else + *last_update_time = ktime_to_us(ktime_get()); + return ktime_to_us(ts->idle_sleeptime); } +EXPORT_SYMBOL_GPL(get_cpu_idle_time_us); /** * tick_nohz_stop_sched_tick - stop the idle tick from the idle task -- GitLab From 808009131046b62ac434dbc796c0fe8accaab415 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Mon, 4 Aug 2008 11:59:12 -0700 Subject: [PATCH 3301/6244] [CPUFREQ][6/6] cpufreq: Add idle microaccounting in ondemand governor Use get_cpu_idle_time_us() to get micro-accounted idle information. This enables ondemand to get more accurate idle and busy timings than the jiffy based calculation. As a result, we can decrease the ondemand safety gaurd band from 80-10 to 95-3. Results in more aggressive power savings. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 45 +++++++++++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 3f898606e68c..39253d6d51ef 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -18,6 +18,9 @@ #include #include #include +#include +#include +#include /* * dbs is used in this file as a shortform for demandbased switching @@ -26,6 +29,8 @@ #define DEF_FREQUENCY_DOWN_DIFFERENTIAL (10) #define DEF_FREQUENCY_UP_THRESHOLD (80) +#define MICRO_FREQUENCY_DOWN_DIFFERENTIAL (3) +#define MICRO_FREQUENCY_UP_THRESHOLD (95) #define MIN_FREQUENCY_UP_THRESHOLD (11) #define MAX_FREQUENCY_UP_THRESHOLD (100) @@ -58,6 +63,7 @@ enum {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE}; struct cpu_dbs_info_s { cputime64_t prev_cpu_idle; cputime64_t prev_cpu_wall; + cputime64_t prev_cpu_nice; struct cpufreq_policy *cur_policy; struct delayed_work work; struct cpufreq_frequency_table *freq_table; @@ -97,7 +103,8 @@ static struct dbs_tuners { .powersave_bias = 0, }; -static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall) +static inline cputime64_t get_cpu_idle_time_jiffy(unsigned int cpu, + cputime64_t *wall) { cputime64_t idle_time; cputime64_t cur_wall_time; @@ -123,6 +130,33 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall) return idle_time; } +static inline cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall) +{ + u64 idle_time = get_cpu_idle_time_us(cpu, wall); + + if (idle_time == -1ULL) + return get_cpu_idle_time_jiffy(cpu, wall); + + if (dbs_tuners_ins.ignore_nice) { + cputime64_t cur_nice; + unsigned long cur_nice_jiffies; + struct cpu_dbs_info_s *dbs_info; + + dbs_info = &per_cpu(cpu_dbs_info, cpu); + cur_nice = cputime64_sub(kstat_cpu(cpu).cpustat.nice, + dbs_info->prev_cpu_nice); + /* + * Assumption: nice time between sampling periods will be + * less than 2^32 jiffies for 32 bit sys + */ + cur_nice_jiffies = (unsigned long) + cputime64_to_jiffies64(cur_nice); + dbs_info->prev_cpu_nice = kstat_cpu(cpu).cpustat.nice; + return idle_time + jiffies_to_usecs(cur_nice_jiffies); + } + return idle_time; +} + /* * Find right freq to be set now with powersave_bias on. * Returns the freq_hi to be used right now and will set freq_hi_jiffies, @@ -603,6 +637,15 @@ EXPORT_SYMBOL(cpufreq_gov_ondemand); static int __init cpufreq_gov_dbs_init(void) { int err; + cputime64_t wall; + u64 idle_time = get_cpu_idle_time_us(smp_processor_id(), &wall); + + if (idle_time != -1ULL) { + /* Idle micro accounting is supported. Use finer thresholds */ + dbs_tuners_ins.up_threshold = MICRO_FREQUENCY_UP_THRESHOLD; + dbs_tuners_ins.down_differential = + MICRO_FREQUENCY_DOWN_DIFFERENTIAL; + } kondemand_wq = create_workqueue("kondemand"); if (!kondemand_wq) { -- GitLab From c4d14bc0bb5d13e316890651ae4518b764c3344c Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Sat, 20 Sep 2008 16:50:08 +0200 Subject: [PATCH 3302/6244] [CPUFREQ] Don't export governors for default governor We don't need to export the governors for use as the default governor, because the default governor will be built-in anyway and we can access the symbol directly. This also fixes the following sparse warnings: drivers/cpufreq/cpufreq_conservative.c:578:25: warning: symbol 'cpufreq_gov_conservative' was not declared. Should it be static? drivers/cpufreq/cpufreq_ondemand.c:582:25: warning: symbol 'cpufreq_gov_ondemand' was not declared. Should it be static? drivers/cpufreq/cpufreq_performance.c:39:25: warning: symbol 'cpufreq_gov_performance' was not declared. Should it be static? drivers/cpufreq/cpufreq_powersave.c:38:25: warning: symbol 'cpufreq_gov_powersave' was not declared. Should it be static? drivers/cpufreq/cpufreq_userspace.c:190:25: warning: symbol 'cpufreq_gov_userspace' was not declared. Should it be static? Signed-off-by: Sven Wegener Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_conservative.c | 4 +++- drivers/cpufreq/cpufreq_ondemand.c | 4 +++- drivers/cpufreq/cpufreq_performance.c | 4 +++- drivers/cpufreq/cpufreq_powersave.c | 4 +++- drivers/cpufreq/cpufreq_userspace.c | 4 +++- 5 files changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 4ee53a4c6d2c..e2657837d954 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -576,13 +576,15 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return 0; } +#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE +static +#endif struct cpufreq_governor cpufreq_gov_conservative = { .name = "conservative", .governor = cpufreq_governor_dbs, .max_transition_latency = TRANSITION_LATENCY_LIMIT, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_conservative); static int __init cpufreq_gov_dbs_init(void) { diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 39253d6d51ef..bd069349bcae 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -626,13 +626,15 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return 0; } +#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND +static +#endif struct cpufreq_governor cpufreq_gov_ondemand = { .name = "ondemand", .governor = cpufreq_governor_dbs, .max_transition_latency = TRANSITION_LATENCY_LIMIT, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_ondemand); static int __init cpufreq_gov_dbs_init(void) { diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c index e8e1451ef1c1..7e2e515087f8 100644 --- a/drivers/cpufreq/cpufreq_performance.c +++ b/drivers/cpufreq/cpufreq_performance.c @@ -36,12 +36,14 @@ static int cpufreq_governor_performance(struct cpufreq_policy *policy, return 0; } +#ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE +static +#endif struct cpufreq_governor cpufreq_gov_performance = { .name = "performance", .governor = cpufreq_governor_performance, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_performance); static int __init cpufreq_gov_performance_init(void) diff --git a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c index 88d2f44fba48..e6db5faf3eb1 100644 --- a/drivers/cpufreq/cpufreq_powersave.c +++ b/drivers/cpufreq/cpufreq_powersave.c @@ -35,12 +35,14 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy, return 0; } +#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE +static +#endif struct cpufreq_governor cpufreq_gov_powersave = { .name = "powersave", .governor = cpufreq_governor_powersave, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_powersave); static int __init cpufreq_gov_powersave_init(void) { diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index 32244aa7cc0c..1442bbada053 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -187,6 +187,9 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy, } +#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE +static +#endif struct cpufreq_governor cpufreq_gov_userspace = { .name = "userspace", .governor = cpufreq_governor_userspace, @@ -194,7 +197,6 @@ struct cpufreq_governor cpufreq_gov_userspace = { .show_setspeed = show_speed, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_userspace); static int __init cpufreq_gov_userspace_init(void) { -- GitLab From 4f6e6b9f97b0ce98a8d1da65adbaf743bd0486a9 Mon Sep 17 00:00:00 2001 From: Andrea Righi Date: Thu, 18 Sep 2008 10:43:40 +0000 Subject: [PATCH 3303/6244] [CPUFREQ] Fix BUG: using smp_processor_id() in preemptible code Use get_cpu()/put_cpu() in cpufreq_ondemand init routine, instead of smp_processor_id() to avoid the following BUG: [ 35.313118] BUG: using smp_processor_id() in preemptible [00000000] code=: modprobe/4952 [ 35.313132] caller is cpufreq_gov_dbs_init+0xa/0x8f [cpufreq_ondemand] [ 35.313140] Pid: 4952, comm: modprobe Not tainted 2.6.27-rc5-mm1 #23 [ 35.313145] Call Trace: [ 35.313158] [] debug_smp_processor_id+0xd7/0xe0 [ 35.313167] [] cpufreq_gov_dbs_init+0xa/0x8f [cpufreq_ondemand] [ 35.313176] [] _stext+0x3b/0x160 [ 35.313185] [] __mutex_unlock_slowpath+0xe5/0x190 [ 35.313195] [] trace_hardirqs_on_caller+0xca/0x140 [ 35.313205] [] sys_init_module+0xdc/0x210 [ 35.313212] [] system_call_fastpath+0x16/0x1b Signed-off-by: Andrea Righi Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq_ondemand.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index bd069349bcae..2ab3c12b88af 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -640,8 +640,11 @@ static int __init cpufreq_gov_dbs_init(void) { int err; cputime64_t wall; - u64 idle_time = get_cpu_idle_time_us(smp_processor_id(), &wall); + u64 idle_time; + int cpu = get_cpu(); + idle_time = get_cpu_idle_time_us(cpu, &wall); + put_cpu(); if (idle_time != -1ULL) { /* Idle micro accounting is supported. Use finer thresholds */ dbs_tuners_ins.up_threshold = MICRO_FREQUENCY_UP_THRESHOLD; -- GitLab From c95b819ad75b13102139aad0e7062d927be23cc6 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 9 Oct 2008 11:58:54 -0700 Subject: [PATCH 3304/6244] gre: Use needed_headroom Now that we have dev->needed_headroom, we can use it instead of having a bogus dev->hard_header_len. This also allows us to include dev->hard_header_len in the MTU computation so that when we do have a meaningful hard_harder_len in future it is included automatically in figuring out the MTU. Incidentally, this fixes a bug where we ignored the needed_headroom field of the underlying device in calculating our own hard_header_len. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 2a61158ea722..fd192d676955 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -637,7 +637,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) df = tiph->frag_off; if (df) - mtu = dst_mtu(&rt->u.dst) - tunnel->hlen; + mtu = dst_mtu(&rt->u.dst) - dev->hard_header_len - tunnel->hlen; else mtu = skb->dst ? dst_mtu(skb->dst) : dev->mtu; @@ -785,7 +785,7 @@ static void ipgre_tunnel_bind_dev(struct net_device *dev) tunnel = netdev_priv(dev); iph = &tunnel->parms.iph; - /* Guess output device to choose reasonable mtu and hard_header_len */ + /* Guess output device to choose reasonable mtu and needed_headroom */ if (iph->daddr) { struct flowi fl = { .oif = tunnel->parms.link, @@ -806,7 +806,7 @@ static void ipgre_tunnel_bind_dev(struct net_device *dev) tdev = __dev_get_by_index(dev_net(dev), tunnel->parms.link); if (tdev) { - hlen = tdev->hard_header_len; + hlen = tdev->hard_header_len + tdev->needed_headroom; mtu = tdev->mtu; } dev->iflink = tunnel->parms.link; @@ -820,8 +820,8 @@ static void ipgre_tunnel_bind_dev(struct net_device *dev) if (tunnel->parms.o_flags&GRE_SEQ) addend += 4; } - dev->hard_header_len = hlen + addend; - dev->mtu = mtu - addend; + dev->needed_headroom = addend + hlen; + dev->mtu = mtu - dev->hard_header_len - addend; tunnel->hlen = addend; } @@ -959,7 +959,8 @@ done: static int ipgre_tunnel_change_mtu(struct net_device *dev, int new_mtu) { struct ip_tunnel *tunnel = netdev_priv(dev); - if (new_mtu < 68 || new_mtu > 0xFFF8 - tunnel->hlen) + if (new_mtu < 68 || + new_mtu > 0xFFF8 - dev->hard_header_len - tunnel->hlen) return -EINVAL; dev->mtu = new_mtu; return 0; @@ -1085,7 +1086,7 @@ static void ipgre_tunnel_setup(struct net_device *dev) dev->change_mtu = ipgre_tunnel_change_mtu; dev->type = ARPHRD_IPGRE; - dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr) + 4; + dev->needed_headroom = LL_MAX_HEADER + sizeof(struct iphdr) + 4; dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 4; dev->flags = IFF_NOARP; dev->iflink = 0; -- GitLab From 42aa916265d740d66ac1f17290366e9494c884c2 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 9 Oct 2008 11:59:32 -0700 Subject: [PATCH 3305/6244] gre: Move MTU setting out of ipgre_tunnel_bind_dev This patch moves the dev->mtu setting out of ipgre_tunnel_bind_dev. This is in prepartion of using rtnl_link where we'll need to make the MTU setting conditional on whether the user has supplied an MTU. This also requires the move of the ipgre_tunnel_bind_dev call out of the dev->init function so that we can access the user parameters later. This patch also adds a check to prevent setting the MTU below the minimum of 68. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index fd192d676955..80622dd6fb3f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -119,6 +119,7 @@ static int ipgre_tunnel_init(struct net_device *dev); static void ipgre_tunnel_setup(struct net_device *dev); +static int ipgre_tunnel_bind_dev(struct net_device *dev); /* Fallback tunnel: no source, no destination, no key, no options */ @@ -289,6 +290,8 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct net *net, nt = netdev_priv(dev); nt->parms = *parms; + dev->mtu = ipgre_tunnel_bind_dev(dev); + if (register_netdevice(dev) < 0) goto failed_free; @@ -773,7 +776,7 @@ tx_error: return 0; } -static void ipgre_tunnel_bind_dev(struct net_device *dev) +static int ipgre_tunnel_bind_dev(struct net_device *dev) { struct net_device *tdev = NULL; struct ip_tunnel *tunnel; @@ -821,9 +824,14 @@ static void ipgre_tunnel_bind_dev(struct net_device *dev) addend += 4; } dev->needed_headroom = addend + hlen; - dev->mtu = mtu - dev->hard_header_len - addend; + mtu -= dev->hard_header_len - addend; + + if (mtu < 68) + mtu = 68; + tunnel->hlen = addend; + return mtu; } static int @@ -917,7 +925,7 @@ ipgre_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd) t->parms.iph.frag_off = p.iph.frag_off; if (t->parms.link != p.link) { t->parms.link = p.link; - ipgre_tunnel_bind_dev(dev); + dev->mtu = ipgre_tunnel_bind_dev(dev); netdev_state_change(dev); } } @@ -1108,8 +1116,6 @@ static int ipgre_tunnel_init(struct net_device *dev) memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4); memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4); - ipgre_tunnel_bind_dev(dev); - if (iph->daddr) { #ifdef CONFIG_NET_IPGRE_BROADCAST if (ipv4_is_multicast(iph->daddr)) { -- GitLab From c19e654ddbe3831252f61e76a74d661e1a755530 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 9 Oct 2008 11:59:55 -0700 Subject: [PATCH 3306/6244] gre: Add netlink interface This patch adds a netlink interface that will eventually displace the existing ioctl interface. It utilises the elegant rtnl_link_ops mechanism. This also means that user-space no longer needs to rely on the tunnel interface being of type GRE to identify GRE tunnels. The identification can now occur using rtnl_link_ops. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- include/linux/if_tunnel.h | 19 +++ net/ipv4/ip_gre.c | 247 +++++++++++++++++++++++++++++++++++++- 2 files changed, 262 insertions(+), 4 deletions(-) diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h index d4efe4014705..aeab2cb32a9c 100644 --- a/include/linux/if_tunnel.h +++ b/include/linux/if_tunnel.h @@ -2,6 +2,7 @@ #define _IF_TUNNEL_H_ #include +#include #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) @@ -47,4 +48,22 @@ struct ip_tunnel_prl { /* PRL flags */ #define PRL_DEFAULT 0x0001 +enum +{ + IFLA_GRE_UNSPEC, + IFLA_GRE_LINK, + IFLA_GRE_IFLAGS, + IFLA_GRE_OFLAGS, + IFLA_GRE_IKEY, + IFLA_GRE_OKEY, + IFLA_GRE_LOCAL, + IFLA_GRE_REMOTE, + IFLA_GRE_TTL, + IFLA_GRE_TOS, + IFLA_GRE_PMTUDISC, + __IFLA_GRE_MAX, +}; + +#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) + #endif /* _IF_TUNNEL_H_ */ diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 80622dd6fb3f..25d2c77a7f38 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -41,6 +41,7 @@ #include #include #include +#include #ifdef CONFIG_IPV6 #include @@ -117,6 +118,7 @@ Alexey Kuznetsov. */ +static struct rtnl_link_ops ipgre_link_ops __read_mostly; static int ipgre_tunnel_init(struct net_device *dev); static void ipgre_tunnel_setup(struct net_device *dev); static int ipgre_tunnel_bind_dev(struct net_device *dev); @@ -286,9 +288,9 @@ static struct ip_tunnel * ipgre_tunnel_locate(struct net *net, goto failed_free; } - dev->init = ipgre_tunnel_init; nt = netdev_priv(dev); nt->parms = *parms; + dev->rtnl_link_ops = &ipgre_link_ops; dev->mtu = ipgre_tunnel_bind_dev(dev); @@ -1087,6 +1089,7 @@ static int ipgre_close(struct net_device *dev) static void ipgre_tunnel_setup(struct net_device *dev) { + dev->init = ipgre_tunnel_init; dev->uninit = ipgre_tunnel_uninit; dev->destructor = free_netdev; dev->hard_start_xmit = ipgre_tunnel_xmit; @@ -1196,6 +1199,7 @@ static int ipgre_init_net(struct net *net) ign->fb_tunnel_dev->init = ipgre_fb_tunnel_init; dev_net_set(ign->fb_tunnel_dev, net); + ign->fb_tunnel_dev->rtnl_link_ops = &ipgre_link_ops; if ((err = register_netdev(ign->fb_tunnel_dev))) goto err_reg_dev; @@ -1228,6 +1232,229 @@ static struct pernet_operations ipgre_net_ops = { .exit = ipgre_exit_net, }; +static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) +{ + __be16 flags; + + if (!data) + return 0; + + flags = 0; + if (data[IFLA_GRE_IFLAGS]) + flags |= nla_get_be16(data[IFLA_GRE_IFLAGS]); + if (data[IFLA_GRE_OFLAGS]) + flags |= nla_get_be16(data[IFLA_GRE_OFLAGS]); + if (flags & (GRE_VERSION|GRE_ROUTING)) + return -EINVAL; + + return 0; +} + +static void ipgre_netlink_parms(struct nlattr *data[], + struct ip_tunnel_parm *parms) +{ + memset(parms, 0, sizeof(parms)); + + parms->iph.protocol = IPPROTO_GRE; + + if (!data) + return; + + if (data[IFLA_GRE_LINK]) + parms->link = nla_get_u32(data[IFLA_GRE_LINK]); + + if (data[IFLA_GRE_IFLAGS]) + parms->i_flags = nla_get_be16(data[IFLA_GRE_IFLAGS]); + + if (data[IFLA_GRE_OFLAGS]) + parms->o_flags = nla_get_be16(data[IFLA_GRE_OFLAGS]); + + if (data[IFLA_GRE_IKEY]) + parms->i_key = nla_get_be32(data[IFLA_GRE_IKEY]); + + if (data[IFLA_GRE_OKEY]) + parms->o_key = nla_get_be32(data[IFLA_GRE_OKEY]); + + if (data[IFLA_GRE_LOCAL]) + memcpy(&parms->iph.saddr, nla_data(data[IFLA_GRE_LOCAL]), 4); + + if (data[IFLA_GRE_REMOTE]) + memcpy(&parms->iph.daddr, nla_data(data[IFLA_GRE_REMOTE]), 4); + + if (data[IFLA_GRE_TTL]) + parms->iph.ttl = nla_get_u8(data[IFLA_GRE_TTL]); + + if (data[IFLA_GRE_TOS]) + parms->iph.tos = nla_get_u8(data[IFLA_GRE_TOS]); + + if (!data[IFLA_GRE_PMTUDISC] || nla_get_u8(data[IFLA_GRE_PMTUDISC])) + parms->iph.frag_off = htons(IP_DF); +} + +static int ipgre_newlink(struct net_device *dev, struct nlattr *tb[], + struct nlattr *data[]) +{ + struct ip_tunnel *nt; + struct net *net = dev_net(dev); + struct ipgre_net *ign = net_generic(net, ipgre_net_id); + int mtu; + int err; + + nt = netdev_priv(dev); + ipgre_netlink_parms(data, &nt->parms); + + if (ipgre_tunnel_locate(net, &nt->parms, 0)) + return -EEXIST; + + mtu = ipgre_tunnel_bind_dev(dev); + if (!tb[IFLA_MTU]) + dev->mtu = mtu; + + err = register_netdevice(dev); + if (err) + goto out; + + dev_hold(dev); + ipgre_tunnel_link(ign, nt); + +out: + return err; +} + +static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[], + struct nlattr *data[]) +{ + struct ip_tunnel *t, *nt; + struct net *net = dev_net(dev); + struct ipgre_net *ign = net_generic(net, ipgre_net_id); + struct ip_tunnel_parm p; + int mtu; + + if (dev == ign->fb_tunnel_dev) + return -EINVAL; + + nt = netdev_priv(dev); + ipgre_netlink_parms(data, &p); + + t = ipgre_tunnel_locate(net, &p, 0); + + if (t) { + if (t->dev != dev) + return -EEXIST; + } else { + unsigned nflags = 0; + + t = nt; + + if (ipv4_is_multicast(p.iph.daddr)) + nflags = IFF_BROADCAST; + else if (p.iph.daddr) + nflags = IFF_POINTOPOINT; + + if ((dev->flags ^ nflags) & + (IFF_POINTOPOINT | IFF_BROADCAST)) + return -EINVAL; + + ipgre_tunnel_unlink(ign, t); + t->parms.iph.saddr = p.iph.saddr; + t->parms.iph.daddr = p.iph.daddr; + t->parms.i_key = p.i_key; + memcpy(dev->dev_addr, &p.iph.saddr, 4); + memcpy(dev->broadcast, &p.iph.daddr, 4); + ipgre_tunnel_link(ign, t); + netdev_state_change(dev); + } + + t->parms.o_key = p.o_key; + t->parms.iph.ttl = p.iph.ttl; + t->parms.iph.tos = p.iph.tos; + t->parms.iph.frag_off = p.iph.frag_off; + + if (t->parms.link != p.link) { + t->parms.link = p.link; + mtu = ipgre_tunnel_bind_dev(dev); + if (!tb[IFLA_MTU]) + dev->mtu = mtu; + netdev_state_change(dev); + } + + return 0; +} + +static size_t ipgre_get_size(const struct net_device *dev) +{ + return + /* IFLA_GRE_LINK */ + nla_total_size(4) + + /* IFLA_GRE_IFLAGS */ + nla_total_size(2) + + /* IFLA_GRE_OFLAGS */ + nla_total_size(2) + + /* IFLA_GRE_IKEY */ + nla_total_size(4) + + /* IFLA_GRE_OKEY */ + nla_total_size(4) + + /* IFLA_GRE_LOCAL */ + nla_total_size(4) + + /* IFLA_GRE_REMOTE */ + nla_total_size(4) + + /* IFLA_GRE_TTL */ + nla_total_size(1) + + /* IFLA_GRE_TOS */ + nla_total_size(1) + + /* IFLA_GRE_PMTUDISC */ + nla_total_size(1) + + 0; +} + +static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev) +{ + struct ip_tunnel *t = netdev_priv(dev); + struct ip_tunnel_parm *p = &t->parms; + + NLA_PUT_U32(skb, IFLA_GRE_LINK, p->link); + NLA_PUT_BE16(skb, IFLA_GRE_IFLAGS, p->i_flags); + NLA_PUT_BE16(skb, IFLA_GRE_OFLAGS, p->o_flags); + NLA_PUT_BE32(skb, IFLA_GRE_IFLAGS, p->i_flags); + NLA_PUT_BE32(skb, IFLA_GRE_OFLAGS, p->o_flags); + NLA_PUT(skb, IFLA_GRE_LOCAL, 4, &p->iph.saddr); + NLA_PUT(skb, IFLA_GRE_REMOTE, 4, &p->iph.daddr); + NLA_PUT_U8(skb, IFLA_GRE_TTL, p->iph.ttl); + NLA_PUT_U8(skb, IFLA_GRE_TOS, p->iph.tos); + NLA_PUT_U8(skb, IFLA_GRE_PMTUDISC, !!(p->iph.frag_off & htons(IP_DF))); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + +static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = { + [IFLA_GRE_LINK] = { .type = NLA_U32 }, + [IFLA_GRE_IFLAGS] = { .type = NLA_U16 }, + [IFLA_GRE_OFLAGS] = { .type = NLA_U16 }, + [IFLA_GRE_IKEY] = { .type = NLA_U32 }, + [IFLA_GRE_OKEY] = { .type = NLA_U32 }, + [IFLA_GRE_LOCAL] = { .len = 4 }, + [IFLA_GRE_REMOTE] = { .len = 4 }, + [IFLA_GRE_TTL] = { .type = NLA_U8 }, + [IFLA_GRE_TOS] = { .type = NLA_U8 }, + [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 }, +}; + +static struct rtnl_link_ops ipgre_link_ops __read_mostly = { + .kind = "gre", + .maxtype = IFLA_GRE_MAX, + .policy = ipgre_policy, + .priv_size = sizeof(struct ip_tunnel), + .setup = ipgre_tunnel_setup, + .validate = ipgre_tunnel_validate, + .newlink = ipgre_newlink, + .changelink = ipgre_changelink, + .get_size = ipgre_get_size, + .fill_info = ipgre_fill_info, +}; + /* * And now the modules code and kernel interface. */ @@ -1245,19 +1472,31 @@ static int __init ipgre_init(void) err = register_pernet_gen_device(&ipgre_net_id, &ipgre_net_ops); if (err < 0) - inet_del_protocol(&ipgre_protocol, IPPROTO_GRE); + goto gen_device_failed; + err = rtnl_link_register(&ipgre_link_ops); + if (err < 0) + goto rtnl_link_failed; + +out: return err; + +rtnl_link_failed: + unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops); +gen_device_failed: + inet_del_protocol(&ipgre_protocol, IPPROTO_GRE); + goto out; } static void __exit ipgre_fini(void) { + rtnl_link_unregister(&ipgre_link_ops); + unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops); if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0) printk(KERN_INFO "ipgre close: can't remove protocol\n"); - - unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops); } module_init(ipgre_init); module_exit(ipgre_fini); MODULE_LICENSE("GPL"); +MODULE_ALIAS("rtnl-link-gre"); -- GitLab From e1a8000228e16212c93b23cfbed4d622e2ec7a6b Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 9 Oct 2008 12:00:17 -0700 Subject: [PATCH 3307/6244] gre: Add Transparent Ethernet Bridging This patch adds support for Ethernet over GRE encapsulation. This is exposed to user-space with a new link type of "gretap" instead of "gre". It will create an ARPHRD_ETHER device in lieu of the usual ARPHRD_IPGRE. Note that to preserver backwards compatibility all Transparent Ethernet Bridging packets are passed to an ARPHRD_IPGRE tunnel if its key matches and there is no ARPHRD_ETHER device whose key matches more closely. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- include/linux/if_ether.h | 1 + net/ipv4/ip_gre.c | 206 +++++++++++++++++++++++++++++++++------ 2 files changed, 175 insertions(+), 32 deletions(-) diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index a0099e98b5c4..bf1a53b2682e 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -56,6 +56,7 @@ #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ #define ETH_P_CUST 0x6006 /* DEC Customer use */ #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ +#define ETH_P_TEB 0x6558 /* Trans Ether Bridging */ #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ #define ETH_P_ATALK 0x809B /* Appletalk DDP */ #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 25d2c77a7f38..44ed9487fa15 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -166,38 +167,64 @@ static DEFINE_RWLOCK(ipgre_lock); /* Given src, dst and key, find appropriate for input tunnel. */ static struct ip_tunnel * ipgre_tunnel_lookup(struct net *net, - __be32 remote, __be32 local, __be32 key) + __be32 remote, __be32 local, + __be32 key, __be16 gre_proto) { unsigned h0 = HASH(remote); unsigned h1 = HASH(key); struct ip_tunnel *t; + struct ip_tunnel *t2 = NULL; struct ipgre_net *ign = net_generic(net, ipgre_net_id); + int dev_type = (gre_proto == htons(ETH_P_TEB)) ? + ARPHRD_ETHER : ARPHRD_IPGRE; for (t = ign->tunnels_r_l[h0^h1]; t; t = t->next) { if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) { - if (t->parms.i_key == key && (t->dev->flags&IFF_UP)) - return t; + if (t->parms.i_key == key && t->dev->flags & IFF_UP) { + if (t->dev->type == dev_type) + return t; + if (t->dev->type == ARPHRD_IPGRE && !t2) + t2 = t; + } } } + for (t = ign->tunnels_r[h0^h1]; t; t = t->next) { if (remote == t->parms.iph.daddr) { - if (t->parms.i_key == key && (t->dev->flags&IFF_UP)) - return t; + if (t->parms.i_key == key && t->dev->flags & IFF_UP) { + if (t->dev->type == dev_type) + return t; + if (t->dev->type == ARPHRD_IPGRE && !t2) + t2 = t; + } } } + for (t = ign->tunnels_l[h1]; t; t = t->next) { if (local == t->parms.iph.saddr || (local == t->parms.iph.daddr && ipv4_is_multicast(local))) { - if (t->parms.i_key == key && (t->dev->flags&IFF_UP)) - return t; + if (t->parms.i_key == key && t->dev->flags & IFF_UP) { + if (t->dev->type == dev_type) + return t; + if (t->dev->type == ARPHRD_IPGRE && !t2) + t2 = t; + } } } + for (t = ign->tunnels_wc[h1]; t; t = t->next) { - if (t->parms.i_key == key && (t->dev->flags&IFF_UP)) - return t; + if (t->parms.i_key == key && t->dev->flags & IFF_UP) { + if (t->dev->type == dev_type) + return t; + if (t->dev->type == ARPHRD_IPGRE && !t2) + t2 = t; + } } + if (t2) + return t2; + if (ign->fb_tunnel_dev->flags&IFF_UP) return netdev_priv(ign->fb_tunnel_dev); return NULL; @@ -252,25 +279,37 @@ static void ipgre_tunnel_unlink(struct ipgre_net *ign, struct ip_tunnel *t) } } -static struct ip_tunnel * ipgre_tunnel_locate(struct net *net, - struct ip_tunnel_parm *parms, int create) +static struct ip_tunnel *ipgre_tunnel_find(struct net *net, + struct ip_tunnel_parm *parms, + int type) { __be32 remote = parms->iph.daddr; __be32 local = parms->iph.saddr; __be32 key = parms->i_key; - struct ip_tunnel *t, **tp, *nt; + struct ip_tunnel *t, **tp; + struct ipgre_net *ign = net_generic(net, ipgre_net_id); + + for (tp = __ipgre_bucket(ign, parms); (t = *tp) != NULL; tp = &t->next) + if (local == t->parms.iph.saddr && + remote == t->parms.iph.daddr && + key == t->parms.i_key && + type == t->dev->type) + break; + + return t; +} + +static struct ip_tunnel * ipgre_tunnel_locate(struct net *net, + struct ip_tunnel_parm *parms, int create) +{ + struct ip_tunnel *t, *nt; struct net_device *dev; char name[IFNAMSIZ]; struct ipgre_net *ign = net_generic(net, ipgre_net_id); - for (tp = __ipgre_bucket(ign, parms); (t = *tp) != NULL; tp = &t->next) { - if (local == t->parms.iph.saddr && remote == t->parms.iph.daddr) { - if (key == t->parms.i_key) - return t; - } - } - if (!create) - return NULL; + t = ipgre_tunnel_find(net, parms, ARPHRD_IPGRE); + if (t || !create) + return t; if (parms->name[0]) strlcpy(name, parms->name, IFNAMSIZ); @@ -385,8 +424,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info) read_lock(&ipgre_lock); t = ipgre_tunnel_lookup(dev_net(skb->dev), iph->daddr, iph->saddr, - (flags&GRE_KEY) ? - *(((__be32*)p) + (grehlen>>2) - 1) : 0); + flags & GRE_KEY ? + *(((__be32 *)p) + (grehlen / 4) - 1) : 0, + p[1]); if (t == NULL || t->parms.iph.daddr == 0 || ipv4_is_multicast(t->parms.iph.daddr)) goto out; @@ -436,6 +476,7 @@ static int ipgre_rcv(struct sk_buff *skb) u32 seqno = 0; struct ip_tunnel *tunnel; int offset = 4; + __be16 gre_proto; if (!pskb_may_pull(skb, 16)) goto drop_nolock; @@ -475,20 +516,22 @@ static int ipgre_rcv(struct sk_buff *skb) } } + gre_proto = *(__be16 *)(h + 2); + read_lock(&ipgre_lock); if ((tunnel = ipgre_tunnel_lookup(dev_net(skb->dev), - iph->saddr, iph->daddr, key)) != NULL) { + iph->saddr, iph->daddr, key, + gre_proto))) { struct net_device_stats *stats = &tunnel->dev->stats; secpath_reset(skb); - skb->protocol = *(__be16*)(h + 2); + skb->protocol = gre_proto; /* WCCP version 1 and 2 protocol decoding. * - Change protocol to IP * - When dealing with WCCPv2, Skip extra 4 bytes in GRE header */ - if (flags == 0 && - skb->protocol == htons(ETH_P_WCCP)) { + if (flags == 0 && gre_proto == htons(ETH_P_WCCP)) { skb->protocol = htons(ETH_P_IP); if ((*(h + offset) & 0xF0) != 0x40) offset += 4; @@ -496,7 +539,6 @@ static int ipgre_rcv(struct sk_buff *skb) skb->mac_header = skb->network_header; __pskb_pull(skb, offset); - skb_reset_network_header(skb); skb_postpull_rcsum(skb, skb_transport_header(skb), offset); skb->pkt_type = PACKET_HOST; #ifdef CONFIG_NET_IPGRE_BROADCAST @@ -524,13 +566,30 @@ static int ipgre_rcv(struct sk_buff *skb) } tunnel->i_seqno = seqno + 1; } + + /* Warning: All skb pointers will be invalidated! */ + if (tunnel->dev->type == ARPHRD_ETHER) { + if (!pskb_may_pull(skb, ETH_HLEN)) { + stats->rx_length_errors++; + stats->rx_errors++; + goto drop; + } + + iph = ip_hdr(skb); + skb->protocol = eth_type_trans(skb, tunnel->dev); + skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); + } + stats->rx_packets++; stats->rx_bytes += skb->len; skb->dev = tunnel->dev; dst_release(skb->dst); skb->dst = NULL; nf_reset(skb); + + skb_reset_network_header(skb); ipgre_ecn_decapsulate(iph, skb); + netif_rx(skb); read_unlock(&ipgre_lock); return(0); @@ -565,7 +624,10 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) goto tx_error; } - if (dev->header_ops) { + if (dev->type == ARPHRD_ETHER) + IPCB(skb)->flags = 0; + + if (dev->header_ops && dev->type == ARPHRD_IPGRE) { gre_hlen = 0; tiph = (struct iphdr*)skb->data; } else { @@ -741,8 +803,9 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) iph->ttl = dst_metric(&rt->u.dst, RTAX_HOPLIMIT); } - ((__be16*)(iph+1))[0] = tunnel->parms.o_flags; - ((__be16*)(iph+1))[1] = skb->protocol; + ((__be16 *)(iph + 1))[0] = tunnel->parms.o_flags; + ((__be16 *)(iph + 1))[1] = (dev->type == ARPHRD_ETHER) ? + htons(ETH_P_TEB) : skb->protocol; if (tunnel->parms.o_flags&(GRE_KEY|GRE_CSUM|GRE_SEQ)) { __be32 *ptr = (__be32*)(((u8*)iph) + tunnel->hlen - 4); @@ -804,7 +867,9 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev) tdev = rt->u.dst.dev; ip_rt_put(rt); } - dev->flags |= IFF_POINTOPOINT; + + if (dev->type != ARPHRD_ETHER) + dev->flags |= IFF_POINTOPOINT; } if (!tdev && tunnel->parms.link) @@ -1250,6 +1315,30 @@ static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) return 0; } +static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[]) +{ + __be32 daddr; + + if (tb[IFLA_ADDRESS]) { + if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) + return -EINVAL; + if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) + return -EADDRNOTAVAIL; + } + + if (!data) + goto out; + + if (data[IFLA_GRE_REMOTE]) { + memcpy(&daddr, nla_data(data[IFLA_GRE_REMOTE]), 4); + if (!daddr) + return -EINVAL; + } + +out: + return ipgre_tunnel_validate(tb, data); +} + static void ipgre_netlink_parms(struct nlattr *data[], struct ip_tunnel_parm *parms) { @@ -1291,6 +1380,35 @@ static void ipgre_netlink_parms(struct nlattr *data[], parms->iph.frag_off = htons(IP_DF); } +static int ipgre_tap_init(struct net_device *dev) +{ + struct ip_tunnel *tunnel; + + tunnel = netdev_priv(dev); + + tunnel->dev = dev; + strcpy(tunnel->parms.name, dev->name); + + ipgre_tunnel_bind_dev(dev); + + return 0; +} + +static void ipgre_tap_setup(struct net_device *dev) +{ + + ether_setup(dev); + + dev->init = ipgre_tap_init; + dev->uninit = ipgre_tunnel_uninit; + dev->destructor = free_netdev; + dev->hard_start_xmit = ipgre_tunnel_xmit; + dev->change_mtu = ipgre_tunnel_change_mtu; + + dev->iflink = 0; + dev->features |= NETIF_F_NETNS_LOCAL; +} + static int ipgre_newlink(struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { @@ -1303,9 +1421,12 @@ static int ipgre_newlink(struct net_device *dev, struct nlattr *tb[], nt = netdev_priv(dev); ipgre_netlink_parms(data, &nt->parms); - if (ipgre_tunnel_locate(net, &nt->parms, 0)) + if (ipgre_tunnel_find(net, &nt->parms, dev->type)) return -EEXIST; + if (dev->type == ARPHRD_ETHER && !tb[IFLA_ADDRESS]) + random_ether_addr(dev->dev_addr); + mtu = ipgre_tunnel_bind_dev(dev); if (!tb[IFLA_MTU]) dev->mtu = mtu; @@ -1455,6 +1576,19 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = { .fill_info = ipgre_fill_info, }; +static struct rtnl_link_ops ipgre_tap_ops __read_mostly = { + .kind = "gretap", + .maxtype = IFLA_GRE_MAX, + .policy = ipgre_policy, + .priv_size = sizeof(struct ip_tunnel), + .setup = ipgre_tap_setup, + .validate = ipgre_tap_validate, + .newlink = ipgre_newlink, + .changelink = ipgre_changelink, + .get_size = ipgre_get_size, + .fill_info = ipgre_fill_info, +}; + /* * And now the modules code and kernel interface. */ @@ -1478,9 +1612,15 @@ static int __init ipgre_init(void) if (err < 0) goto rtnl_link_failed; + err = rtnl_link_register(&ipgre_tap_ops); + if (err < 0) + goto tap_ops_failed; + out: return err; +tap_ops_failed: + rtnl_link_unregister(&ipgre_link_ops); rtnl_link_failed: unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops); gen_device_failed: @@ -1490,6 +1630,7 @@ gen_device_failed: static void __exit ipgre_fini(void) { + rtnl_link_unregister(&ipgre_tap_ops); rtnl_link_unregister(&ipgre_link_ops); unregister_pernet_gen_device(ipgre_net_id, &ipgre_net_ops); if (inet_del_protocol(&ipgre_protocol, IPPROTO_GRE) < 0) @@ -1500,3 +1641,4 @@ module_init(ipgre_init); module_exit(ipgre_fini); MODULE_LICENSE("GPL"); MODULE_ALIAS("rtnl-link-gre"); +MODULE_ALIAS("rtnl-link-gretap"); -- GitLab From 64194c31a0b6f5d84703b772113aafc400eeaad6 Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Thu, 9 Oct 2008 12:03:17 -0700 Subject: [PATCH 3308/6244] inet: Make tunnel RX/TX byte counters more consistent This patch makes the RX/TX byte counters for IPIP, GRE and SIT more consistent. Previously we included the external IP headers on the way out but not when the packet is inbound. The new scheme is to count payload only in both directions. For IPIP and SIT this simply means the exclusion of the external IP header. For GRE this means that we exclude the GRE header as well. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- include/net/ipip.h | 2 +- net/ipv4/ip_gre.c | 7 +++++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/include/net/ipip.h b/include/net/ipip.h index a85bda64b852..fdf9bd743705 100644 --- a/include/net/ipip.h +++ b/include/net/ipip.h @@ -37,7 +37,7 @@ struct ip_tunnel_prl_entry #define IPTUNNEL_XMIT() do { \ int err; \ - int pkt_len = skb->len; \ + int pkt_len = skb->len - skb_transport_offset(skb); \ \ skb->ip_summed = CHECKSUM_NONE; \ ip_select_ident(iph, &rt->u.dst, NULL); \ diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 44ed9487fa15..0d5e35b0ed54 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -477,6 +477,7 @@ static int ipgre_rcv(struct sk_buff *skb) struct ip_tunnel *tunnel; int offset = 4; __be16 gre_proto; + unsigned int len; if (!pskb_may_pull(skb, 16)) goto drop_nolock; @@ -567,6 +568,8 @@ static int ipgre_rcv(struct sk_buff *skb) tunnel->i_seqno = seqno + 1; } + len = skb->len; + /* Warning: All skb pointers will be invalidated! */ if (tunnel->dev->type == ARPHRD_ETHER) { if (!pskb_may_pull(skb, ETH_HLEN)) { @@ -581,7 +584,7 @@ static int ipgre_rcv(struct sk_buff *skb) } stats->rx_packets++; - stats->rx_bytes += skb->len; + stats->rx_bytes += len; skb->dev = tunnel->dev; dst_release(skb->dst); skb->dst = NULL; @@ -770,7 +773,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) old_iph = ip_hdr(skb); } - skb->transport_header = skb->network_header; + skb_reset_transport_header(skb); skb_push(skb, gre_hlen); skb_reset_network_header(skb); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); -- GitLab From 70096a561d1e09120bae1f293f3632cedbfd5c68 Mon Sep 17 00:00:00 2001 From: Matt Mackall Date: Wed, 8 Oct 2008 14:51:57 -0500 Subject: [PATCH 3309/6244] SLOB: fix bogus ksize calculation fix This fixes the previous fix, which was completely wrong on closer inspection. This version has been manually tested with a user-space test harness and generates sane values. A nearly identical patch has been boot-tested. The problem arose from changing how kmalloc/kfree handled alignment padding without updating ksize to match. This brings it in sync. Signed-off-by: Matt Mackall Signed-off-by: Linus Torvalds --- mm/slob.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/mm/slob.c b/mm/slob.c index 62b679dc660f..cb675d126791 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -514,9 +514,11 @@ size_t ksize(const void *block) return 0; sp = (struct slob_page *)virt_to_page(block); - if (slob_page(sp)) - return (((slob_t *)block - 1)->units - 1) * SLOB_UNIT; - else + if (slob_page(sp)) { + int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); + unsigned int *m = (unsigned int *)(block - align); + return SLOB_UNITS(*m) * SLOB_UNIT; + } else return sp->page.private; } -- GitLab From 74bf4ba3d367aacbc04fef167289767f162cd730 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 9 Oct 2008 12:21:08 -0700 Subject: [PATCH 3310/6244] bnx2: Add bnx2_shutdown_chip(). This logic is used in bnx2_close() and bnx2_suspend() and so should be separated out into a separate function. Signed-off-by: Michael Chan Signed-off-by: Benjamin Li Signed-off-by: Matt Carlson Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 883e0a724107..b35f440361de 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -5072,6 +5072,21 @@ bnx2_init_nic(struct bnx2 *bp, int reset_phy) return 0; } +static int +bnx2_shutdown_chip(struct bnx2 *bp) +{ + u32 reset_code; + + if (bp->flags & BNX2_FLAG_NO_WOL) + reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; + else if (bp->wol) + reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; + else + reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; + + return bnx2_reset_chip(bp, reset_code); +} + static int bnx2_test_registers(struct bnx2 *bp) { @@ -6095,20 +6110,13 @@ static int bnx2_close(struct net_device *dev) { struct bnx2 *bp = netdev_priv(dev); - u32 reset_code; cancel_work_sync(&bp->reset_task); bnx2_disable_int_sync(bp); bnx2_napi_disable(bp); del_timer_sync(&bp->timer); - if (bp->flags & BNX2_FLAG_NO_WOL) - reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; - else if (bp->wol) - reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; - else - reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; - bnx2_reset_chip(bp, reset_code); + bnx2_shutdown_chip(bp); bnx2_free_irq(bp); bnx2_free_skbs(bp); bnx2_free_mem(bp); @@ -7777,7 +7785,6 @@ bnx2_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *dev = pci_get_drvdata(pdev); struct bnx2 *bp = netdev_priv(dev); - u32 reset_code; /* PCI register 4 needs to be saved whether netif_running() or not. * MSI address and data need to be saved if using MSI and @@ -7791,13 +7798,7 @@ bnx2_suspend(struct pci_dev *pdev, pm_message_t state) bnx2_netif_stop(bp); netif_device_detach(dev); del_timer_sync(&bp->timer); - if (bp->flags & BNX2_FLAG_NO_WOL) - reset_code = BNX2_DRV_MSG_CODE_UNLOAD_LNK_DN; - else if (bp->wol) - reset_code = BNX2_DRV_MSG_CODE_SUSPEND_WOL; - else - reset_code = BNX2_DRV_MSG_CODE_SUSPEND_NO_WOL; - bnx2_reset_chip(bp, reset_code); + bnx2_shutdown_chip(bp); bnx2_free_skbs(bp); bnx2_set_power_state(bp, pci_choose_state(pdev, state)); return 0; -- GitLab From 9f52b564b7162ede5a73a4f4b421ccf93c55b025 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 9 Oct 2008 12:21:46 -0700 Subject: [PATCH 3311/6244] bnx2: Check netif_running() in all ethtool operations. We need to check netif_running() state in most ethtool operations and properly handle the !netif_running() state where the chip is in an uninitailzed state or low power state that may not accept any MMIO. Signed-off-by: Michael Chan Signed-off-by: Benjamin Li Signed-off-by: Matt Carlson Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 40 ++++++++++++++++++++++++++++++++-------- 1 file changed, 32 insertions(+), 8 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index b35f440361de..21711c753a09 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -3248,6 +3248,9 @@ bnx2_set_rx_mode(struct net_device *dev) struct dev_addr_list *uc_ptr; int i; + if (!netif_running(dev)) + return; + spin_lock_bh(&bp->phy_lock); rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | @@ -5521,6 +5524,9 @@ bnx2_test_link(struct bnx2 *bp) { u32 bmsr; + if (!netif_running(bp->dev)) + return -ENODEV; + if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP) { if (bp->link_up) return 0; @@ -6485,6 +6491,9 @@ bnx2_nway_reset(struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); u32 bmcr; + if (!netif_running(dev)) + return -EAGAIN; + if (!(bp->autoneg & AUTONEG_SPEED)) { return -EINVAL; } @@ -6540,6 +6549,9 @@ bnx2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, struct bnx2 *bp = netdev_priv(dev); int rc; + if (!netif_running(dev)) + return -EAGAIN; + /* parameters already validated in ethtool_get_eeprom */ rc = bnx2_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); @@ -6554,6 +6566,9 @@ bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, struct bnx2 *bp = netdev_priv(dev); int rc; + if (!netif_running(dev)) + return -EAGAIN; + /* parameters already validated in ethtool_set_eeprom */ rc = bnx2_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); @@ -6718,11 +6733,11 @@ bnx2_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) bp->autoneg &= ~AUTONEG_FLOW_CTRL; } - spin_lock_bh(&bp->phy_lock); - - bnx2_setup_phy(bp, bp->phy_port); - - spin_unlock_bh(&bp->phy_lock); + if (netif_running(dev)) { + spin_lock_bh(&bp->phy_lock); + bnx2_setup_phy(bp, bp->phy_port); + spin_unlock_bh(&bp->phy_lock); + } return 0; } @@ -6913,6 +6928,8 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) { struct bnx2 *bp = netdev_priv(dev); + bnx2_set_power_state(bp, PCI_D0); + memset(buf, 0, sizeof(u64) * BNX2_NUM_TESTS); if (etest->flags & ETH_TEST_FL_OFFLINE) { int i; @@ -6932,9 +6949,8 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) if ((buf[2] = bnx2_test_loopback(bp)) != 0) etest->flags |= ETH_TEST_FL_FAILED; - if (!netif_running(bp->dev)) { - bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); - } + if (!netif_running(bp->dev)) + bnx2_shutdown_chip(bp); else { bnx2_init_nic(bp, 1); bnx2_netif_start(bp); @@ -6962,6 +6978,8 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf) etest->flags |= ETH_TEST_FL_FAILED; } + if (!netif_running(bp->dev)) + bnx2_set_power_state(bp, PCI_D3hot); } static void @@ -7027,6 +7045,8 @@ bnx2_phys_id(struct net_device *dev, u32 data) int i; u32 save; + bnx2_set_power_state(bp, PCI_D0); + if (data == 0) data = 2; @@ -7051,6 +7071,10 @@ bnx2_phys_id(struct net_device *dev, u32 data) } REG_WR(bp, BNX2_EMAC_LED, 0); REG_WR(bp, BNX2_MISC_CFG, save); + + if (!netif_running(dev)) + bnx2_set_power_state(bp, PCI_D3hot); + return 0; } -- GitLab From d5321e309c2fd1a1d534fc7bb674a1fff9f25d94 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 9 Oct 2008 12:22:38 -0700 Subject: [PATCH 3312/6244] bnx2: Update 5706/5708 firmware. With this new firmware, the driver no longer has to modify the TCP/IP header fields when transmitting TSO packets. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2_fw.h | 8654 ++++++++++++++++++++--------------------- 1 file changed, 4304 insertions(+), 4350 deletions(-) diff --git a/drivers/net/bnx2_fw.h b/drivers/net/bnx2_fw.h index e4b1de435567..24c3cc40c23d 100644 --- a/drivers/net/bnx2_fw.h +++ b/drivers/net/bnx2_fw.h @@ -15,854 +15,854 @@ */ static u8 bnx2_COM_b06FwText[] = { - 0xcd, 0x7c, 0x0d, 0x70, 0x5c, 0xd5, 0x95, 0xe6, 0xe9, 0xd7, 0xdd, 0x52, - 0x4b, 0x96, 0xe5, 0x27, 0xb9, 0x51, 0x1a, 0xa2, 0x24, 0xef, 0xa9, 0x9f, - 0xa4, 0x06, 0x29, 0xe4, 0xd9, 0x08, 0x10, 0x49, 0x0f, 0x34, 0xdd, 0x92, - 0x11, 0x89, 0x77, 0x24, 0x40, 0x61, 0xbc, 0x3b, 0xae, 0xac, 0xa6, 0x2d, - 0x13, 0x42, 0x31, 0x35, 0xae, 0x0a, 0x3b, 0x71, 0xb2, 0x04, 0x37, 0x2d, - 0x99, 0x38, 0x8c, 0xec, 0x56, 0x64, 0x59, 0x66, 0x67, 0xd8, 0xd9, 0x4e, - 0x4b, 0xb2, 0x19, 0xa6, 0xed, 0xc6, 0x90, 0x1f, 0xa6, 0x92, 0x0c, 0x5a, - 0xe3, 0x00, 0x93, 0xcd, 0x56, 0x41, 0x2a, 0xb5, 0xcb, 0x6c, 0x51, 0xbb, - 0x5e, 0x27, 0x4c, 0xb2, 0xa9, 0xda, 0x0a, 0x3b, 0x93, 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0x81, 0x57, 0xf5, 0x77, 0x7f, 0x82, 0x8a, 0x9f, 0xc5, 0xb9, + 0x31, 0x75, 0xa7, 0xea, 0x4a, 0x90, 0xfc, 0x52, 0x71, 0x53, 0x3c, 0x1b, + 0x04, 0xc6, 0x99, 0x01, 0x92, 0xb6, 0x19, 0xf3, 0x69, 0xfc, 0x09, 0xfb, + 0xbf, 0x47, 0x9d, 0xed, 0x2e, 0x81, 0x37, 0xae, 0xda, 0xfb, 0xcd, 0xc7, + 0x88, 0xeb, 0x6b, 0xf7, 0x87, 0xaf, 0xc5, 0xf7, 0xde, 0xb7, 0x67, 0xfa, + 0x1c, 0x42, 0xef, 0x15, 0xe9, 0x18, 0x5c, 0x9d, 0xab, 0xad, 0xf7, 0x7f, + 0x29, 0x88, 0xf5, 0xf8, 0x7f, 0x0f, 0x88, 0xed, 0xac, 0xc3, 0x73, 0xe2, + 0xa8, 0x38, 0x30, 0x43, 0xfe, 0x96, 0xb1, 0x4e, 0xd3, 0x71, 0xdf, 0x9f, + 0x07, 0x3a, 0xcf, 0xd6, 0xc7, 0x81, 0xec, 0x23, 0xa2, 0xee, 0x63, 0xd4, + 0xfe, 0x0f, 0x0e, 0xf7, 0x77, 0x32, 0x81, 0x7b, 0x4a, 0x93, 0x12, 0x3c, + 0x3a, 0x2a, 0xa1, 0x69, 0xee, 0xa5, 0x67, 0xa4, 0x18, 0x73, 0xe5, 0x63, + 0xce, 0xea, 0xd8, 0xa4, 0xd3, 0x58, 0x4b, 0xfb, 0x23, 0x32, 0x78, 0xf2, + 0x31, 0x09, 0x1f, 0xe5, 0xbb, 0x55, 0xe7, 0x28, 0xb0, 0x47, 0x1b, 0x64, + 0x2e, 0xc6, 0xfd, 0xe4, 0xb0, 0x3a, 0x97, 0x5e, 0x1e, 0x7b, 0x2d, 0x5c, + 0x04, 0x56, 0xc8, 0x2b, 0xdb, 0x82, 0x74, 0x25, 0x96, 0x38, 0xbc, 0x99, + 0x3a, 0x85, 0x18, 0x33, 0x30, 0x3e, 0x17, 0x56, 0xf7, 0x83, 0x96, 0x63, + 0xac, 0x8b, 0xf8, 0xfd, 0x28, 0x71, 0x06, 0x6c, 0xc7, 0xa8, 0x44, 0x99, + 0x0f, 0x1e, 0xad, 0xe1, 0x0c, 0xda, 0x84, 0x41, 0x27, 0x26, 0xa1, 0x53, + 0xde, 0xdc, 0xf9, 0x8f, 0x95, 0x8c, 0x13, 0x3b, 0x25, 0x38, 0xcd, 0xe7, + 0xfa, 0x78, 0x88, 0xd8, 0x1d, 0xbe, 0xe1, 0xec, 0x67, 0xd1, 0x1f, 0xdf, + 0x65, 0xf4, 0x37, 0xba, 0xc8, 0x97, 0xff, 0xb6, 0xff, 0x43, 0x81, 0xb2, + 0xff, 0xff, 0x01, 0xe6, 0x8e, 0x9a, 0x21, 0xc0, 0x4e, 0x00, 0x00, 0x00 }; static const u32 bnx2_COM_b06FwData[(0x0/4) + 1] = { 0x0 }; static const u32 bnx2_COM_b06FwRodata[(0x14/4) + 1] = { - 0x08000f04, 0x08000f4c, 0x08000f80, 0x08000fcc, 0x08001000, 0x00000000 + 0x08000e7c, 0x08000ec4, 0x08000ef8, 0x08000f44, 0x08000f78, 0x00000000 }; static struct fw_info bnx2_com_fw_06 = { - /* Firmware version: 4.0.5 */ + /* Firmware version: 4.4.2 */ .ver_major = 0x4, - .ver_minor = 0x0, - .ver_fix = 0x5, + .ver_minor = 0x4, + .ver_fix = 0x2, .start_addr = 0x080000f8, .text_addr = 0x08000000, - .text_len = 0x4eac, + .text_len = 0x4ebc, .text_index = 0x0, .gz_text = bnx2_COM_b06FwText, .gz_text_len = sizeof(bnx2_COM_b06FwText), @@ -872,15 +872,15 @@ static struct fw_info bnx2_com_fw_06 = { .data_index = 0x0, .data = bnx2_COM_b06FwData, - .sbss_addr = 0x08004ee0, + .sbss_addr = 0x08004f00, .sbss_len = 0x38, .sbss_index = 0x0, - .bss_addr = 0x08004f18, + .bss_addr = 0x08004f38, .bss_len = 0xbc, .bss_index = 0x0, - .rodata_addr = 0x08004eac, + .rodata_addr = 0x08004ebc, .rodata_len = 0x14, .rodata_index = 0x0, .rodata = bnx2_COM_b06FwRodata, @@ -902,1231 +902,1232 @@ static const struct cpu_reg cpu_reg_com = { .mips_view_base = 0x8000000, }; - static u8 bnx2_CP_b06FwText[] = { - 0x9d, 0xbc, 0x0d, 0x78, 0x13, 0xe7, 0x99, 0x2e, 0x7c, 0xcf, 0x48, 0xb2, - 0x65, 0x5b, 0xb6, 0xc7, 0xb6, 0x0c, 0x22, 0x65, 0x41, 0x83, 0x47, 0x20, - 0x62, 0x27, 0x1d, 0x81, 0x49, 0x94, 0xac, 0x36, 0xa8, 0xc6, 0x01, 0x93, - 0x90, 0xc6, 0x34, 0xb4, 0x75, 0x7a, 0xd2, 0x8d, 0x62, 0x0c, 0x21, 0x84, - 0x10, 0x67, 0x9b, 0x9e, 0xe3, 0x7c, 0x5f, 0xce, 0x5a, 0x35, 0x06, 0x0c, - 0xc8, 0x96, 0x31, 0x0e, 0x90, 0xfd, 0x7a, 0x9d, 0x18, 0x6c, 0x30, 0x49, - 0x65, 0x8b, 0x34, 0x74, 0x97, 0xf4, 0xa3, 0x45, 0x07, 0xf2, 0xe3, 0xfc, - 0x35, 0xa4, 0xed, 0x76, 0xdb, 0x3d, 0x39, 0x89, 0x0f, 0x25, 0x84, 0xb4, - 0xdd, 0xfc, 0xb4, 0xdd, 0x2d, 0x69, 0x9b, 0xcc, 0x77, 0x3f, 0x23, 0x09, - 0x0c, 0x4d, 0x7f, 0xf6, 0xf3, 0x75, 0xcd, 0x65, 0xcd, 0xcc, 0xfb, 0xf3, - 0xbc, 0xcf, 0xfb, 0x3c, 0xf7, 0x73, 0x3f, 0xef, 0xbc, 0x33, 0xb3, 0x80, - 0x62, 0xe4, 0xfe, 0x4a, 0x79, 0x5c, 0x5d, 0xdf, 0xbe, 0x1a, 0x8b, 0xae, - 0x36, 0xe5, 0xdc, 0xe9, 0x82, 0x13, 0x7f, 0xe1, 0x9f, 0xff, 0x2f, 0x2d, - 0x38, 0xe5, 0xcf, 0x01, 0x68, 0xf9, 0x7e, 0xe5, 0x80, 0x5b, 0x8d, 0x3c, - 0xf3, 0x5f, 0x1a, 0x0c, 0xb8, 0x1d, 0x91, 0x9e, 0xd6, 0xd5, 0x06, 0x10, - 0x4d, 0xd5, 0xfa, 0x97, 0xe0, 0x23, 0x2b, 0xee, 0x75, 0x42, 0xae, 0xff, - 0x55, 0xe4, 0xf7, 0x9d, 0xdf, 0xb9, 0x56, 0x7f, 0x7f, 0xc8, 0x01, 0xb7, - 0x16, 0xe9, 0x80, 0x36, 0x17, 0xee, 0x99, 0xac, 0xf3, 0xf5, 0x79, 0xdb, - 0x15, 0x94, 0xe5, 0xdb, 0x3a, 0x67, 0x7d, 0x67, 0x9e, 0x2f, 0x56, 0x14, - 0xd1, 0x70, 0x3c, 0x8d, 0xe6, 0xba, 0xde, 0x4e, 0xab, 0xd4, 0x08, 0xc1, - 0x6d, 0x18, 0x2d, 0xbd, 0x8a, 0x27, 0xbc, 0x7e, 0x11, 0x3c, 0x85, 0x06, - 0xe2, 0x57, 0x44, 0xd0, 0x7c, 0xe5, 0x58, 0x71, 0xdc, 0x19, 0x71, 0xa3, - 0x29, 0xed, 0x8e, 0x7f, 0x2a, 0x62, 0x60, 0x59, 0xfa, 0xfa, 0x62, 0x94, - 0xb9, 0xd1, 0x9d, 0xfe, 0xa8, 0x28, 0xdb, 0x5e, 0x73, 0xee, 0xff, 0xec, - 0xaa, 0xec, 0xff, 0x69, 0x31, 0x67, 0x04, 0xd8, 0x9c, 0xb0, 0xac, 0x82, - 0xc8, 0x6d, 0xb7, 0xa9, 0x11, 0xc3, 0x77, 0x10, 0x8b, 0xd1, 0xaa, 0xe1, - 0xe1, 0x2d, 0xf5, 0xbf, 0x54, 0x4e, 0x0c, 0xb2, 0xe1, 0x51, 0x07, 0xa2, - 0xda, 0x33, 0xfc, 0x3f, 0x6b, 0x56, 0x4b, 0xd8, 0xc0, 0xde, 0xd1, 0xf3, - 0xbc, 0xee, 0xb4, 0xaf, 0x6d, 0xda, 0x33, 0x6b, 0xd6, 0xed, 0xe1, 0x67, - 0xf0, 0xe8, 0xa8, 0xfc, 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0x1e, 0xb4, + 0x79, 0x91, 0x63, 0xca, 0xb8, 0x4b, 0x6a, 0xce, 0xef, 0xe7, 0x2b, 0xf9, + 0x7e, 0x45, 0x1e, 0xef, 0x94, 0x3e, 0x44, 0xae, 0x87, 0xf3, 0x75, 0xf4, + 0x70, 0xd4, 0xee, 0x5f, 0x65, 0xbe, 0x55, 0xe8, 0x93, 0xfe, 0xb8, 0xb0, + 0xd0, 0x46, 0x56, 0xec, 0xb3, 0xb3, 0x98, 0xb1, 0xed, 0x54, 0xc3, 0x3d, + 0xd8, 0x94, 0x10, 0x3d, 0xcb, 0xb7, 0x60, 0x89, 0xe1, 0x36, 0x57, 0x73, + 0xd1, 0x5f, 0x2f, 0xc3, 0x90, 0x16, 0xc7, 0x9e, 0x7a, 0x79, 0x47, 0xce, + 0x45, 0x9f, 0x88, 0xa3, 0xc4, 0x28, 0x96, 0xfd, 0xc7, 0xf6, 0x1e, 0x94, + 0x7d, 0xa6, 0x1e, 0x7d, 0x52, 0xbe, 0x55, 0x76, 0xa9, 0xbd, 0x5e, 0xd5, + 0x3c, 0x04, 0xb9, 0x6e, 0xe2, 0xda, 0xf3, 0xf2, 0xfe, 0x12, 0xda, 0x8e, + 0xbd, 0x27, 0xda, 0x94, 0x77, 0xe8, 0xfa, 0x12, 0xf2, 0x2e, 0x57, 0x5d, + 0x8c, 0xfc, 0x12, 0x2f, 0xa4, 0x65, 0xbf, 0xc2, 0xef, 0xac, 0x78, 0x8d, + 0xec, 0x8b, 0x9c, 0x5a, 0xa7, 0x88, 0xb8, 0x16, 0x08, 0x57, 0x28, 0x85, + 0xf7, 0xb9, 0xce, 0xfd, 0x5d, 0x4f, 0x9b, 0x39, 0x6d, 0xbf, 0x83, 0x27, + 0x67, 0x11, 0x34, 0xa6, 0xe4, 0x9b, 0xa7, 0xfa, 0xc4, 0x72, 0xd4, 0x65, + 0x6b, 0x1d, 0xce, 0x3c, 0x7f, 0x09, 0x63, 0x05, 0xed, 0x66, 0x73, 0x20, + 0x6c, 0xbf, 0x6b, 0xb6, 0x2c, 0x55, 0x1b, 0x7c, 0x04, 0x7a, 0xfb, 0xdb, + 0x2c, 0x7f, 0x5d, 0xe6, 0xfb, 0xd6, 0x90, 0x57, 0xc6, 0x54, 0xc0, 0x88, + 0x13, 0xf4, 0x0d, 0xea, 0x31, 0x22, 0xfe, 0xe1, 0x41, 0x55, 0x24, 0x4c, + 0x3f, 0x96, 0xf8, 0x2f, 0xef, 0xa9, 0xe9, 0xbb, 0xe3, 0x30, 0xd1, 0xc8, + 0x1c, 0xdd, 0x65, 0xef, 0x73, 0xd6, 0xfd, 0x2b, 0x19, 0x87, 0x8e, 0x9c, + 0xdd, 0x13, 0x20, 0x7c, 0xe1, 0xc7, 0x35, 0xf9, 0xbd, 0xd0, 0xee, 0x39, + 0x8c, 0x8f, 0x96, 0xfd, 0x9c, 0x7f, 0x8d, 0x8d, 0x2d, 0x9a, 0xa1, 0xef, + 0xff, 0x95, 0xa3, 0x13, 0x4f, 0x2c, 0x30, 0x3a, 0x0e, 0xa8, 0xd9, 0x21, + 0x1f, 0x71, 0xe6, 0x4a, 0x47, 0x74, 0x07, 0xff, 0xfb, 0x5f, 0xb4, 0xbf, + 0xa1, 0x22, 0x75, 0xf5, 0xe0, 0x2a, 0x55, 0xf6, 0x0f, 0xb5, 0x60, 0xac, + 0x4f, 0xde, 0x7d, 0xd0, 0x5b, 0xbf, 0xad, 0x74, 0x62, 0x43, 0xc8, 0x68, + 0xd9, 0xa8, 0xe8, 0xcd, 0x7f, 0xaf, 0xe8, 0xfe, 0x90, 0x22, 0xe5, 0x82, + 0xb2, 0xb6, 0x77, 0x36, 0xf6, 0xba, 0xd8, 0xc7, 0xde, 0x84, 0x1e, 0x9e, + 0xc6, 0xb2, 0xa7, 0x4c, 0xc3, 0xf7, 0x1e, 0xdb, 0xfc, 0x09, 0x8f, 0x1d, + 0xf6, 0x3b, 0xec, 0x52, 0x3e, 0x3a, 0xdf, 0x65, 0x7f, 0x8f, 0xb8, 0x95, + 0x31, 0x45, 0xbe, 0x35, 0x1c, 0x83, 0x96, 0x9c, 0x45, 0x13, 0xd3, 0x7b, + 0x6f, 0x80, 0xe4, 0xc0, 0x37, 0x4f, 0x47, 0xa9, 0x07, 0xde, 0x48, 0x27, 0xe6, 0x2e, 0x30, 0x7c, 0x8b, 0x54, 0xbb, 0x7e, 0x30, 0xaa, 0x4a, 0x7d, - 0xdd, 0x3f, 0x08, 0x69, 0x23, 0x63, 0x69, 0x73, 0xcb, 0xed, 0x3a, 0x0b, - 0xd4, 0xcf, 0xc0, 0x75, 0xf5, 0xaf, 0xe5, 0x5b, 0x46, 0x5a, 0xa5, 0x21, - 0x75, 0xe2, 0x3b, 0x35, 0xfc, 0xb1, 0x7a, 0x82, 0x2b, 0xbf, 0xb2, 0x30, - 0x4d, 0xea, 0xc9, 0x9e, 0xb1, 0x3b, 0x70, 0xaf, 0xfd, 0x3d, 0x16, 0xf1, - 0x47, 0x3d, 0xfa, 0x15, 0xf2, 0xcf, 0x62, 0x45, 0xb8, 0xa7, 0xf0, 0x84, - 0x56, 0x74, 0x33, 0x8e, 0x69, 0x21, 0xbd, 0xe7, 0x0a, 0xd5, 0x83, 0xc2, - 0xc8, 0x63, 0xb2, 0x6f, 0x66, 0xef, 0x3c, 0x35, 0xbb, 0xbf, 0x26, 0xc6, - 0x76, 0x8f, 0xff, 0xd1, 0xe7, 0xb8, 0xec, 0xab, 0xd8, 0x94, 0xf7, 0x5b, - 0xec, 0x35, 0xc5, 0xd6, 0x84, 0x23, 0xb7, 0x5f, 0x30, 0x3f, 0xb7, 0x1a, - 0xda, 0xc8, 0xf5, 0xd7, 0xc8, 0x37, 0x31, 0x39, 0xd6, 0xb5, 0x09, 0x59, - 0x4d, 0xfa, 0xff, 0x00, 0x85, 0x57, 0x0f, 0xe7, 0xe8, 0x59, 0x00, 0x00, + 0xdd, 0x3f, 0x08, 0x69, 0x23, 0x6b, 0x69, 0x73, 0x2b, 0xed, 0x3a, 0x0b, + 0xd4, 0xcf, 0xc1, 0xf5, 0xe9, 0x5f, 0xcb, 0x37, 0x8b, 0xb4, 0x6a, 0x43, + 0xea, 0xc4, 0x77, 0x68, 0xf8, 0x63, 0xf5, 0x04, 0x57, 0x7e, 0x65, 0x61, + 0xba, 0xd4, 0x93, 0x3d, 0x66, 0x37, 0xe3, 0x76, 0xfb, 0xbb, 0x2b, 0xe2, + 0x8f, 0x7a, 0xf4, 0x6e, 0x72, 0xd5, 0x52, 0x45, 0x78, 0xaa, 0xc4, 0xa2, + 0x36, 0xe2, 0x61, 0x27, 0xb4, 0x90, 0xde, 0x7b, 0x91, 0xea, 0x41, 0x71, + 0x64, 0x54, 0xf6, 0xd9, 0xec, 0x9e, 0xa7, 0xe6, 0xf6, 0xe3, 0xc4, 0xd8, + 0xee, 0x91, 0x3f, 0xfa, 0xdc, 0x97, 0x7d, 0x95, 0x9a, 0xf2, 0xce, 0x8e, + 0xfd, 0x9e, 0x48, 0x5b, 0xc2, 0x91, 0xdf, 0x5f, 0x58, 0x98, 0x5b, 0x0d, + 0x6b, 0x98, 0x17, 0xac, 0x95, 0x6f, 0x63, 0x72, 0xac, 0xeb, 0x12, 0xb2, + 0x0a, 0xf5, 0x7f, 0x01, 0x28, 0xfc, 0xfc, 0x40, 0x38, 0x5a, 0x00, 0x00, 0x00 }; static const u32 bnx2_CP_b06FwData[(0x84/4) + 1] = { @@ -2137,48 +2138,48 @@ static const u32 bnx2_CP_b06FwData[(0x84/4) + 1] = { 0x00000002, 0x00000002, 0x00000002, 0x00000002, 0x00000002, 0x00000002, 0x00000001, 0x00000001, 0x00000001, 0x00000000 }; static const u32 bnx2_CP_b06FwRodata[(0x130/4) + 1] = { - 0x08001f1c, 0x08001da8, 0x08001ef8, 0x08001ed4, 0x08001eb0, 0x08001e8c, - 0x08001e64, 0x08001e3c, 0x08001e10, 0x08002014, 0x08002004, 0x08001dc4, - 0x08001dc4, 0x08001dc4, 0x08001f44, 0x08001f44, 0x08001dc4, 0x08001dc4, - 0x08001ff4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001fe4, - 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, - 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, - 0x08001dc4, 0x08001dc4, 0x08001fd4, 0x08001dc4, 0x08001dc4, 0x08001fc4, - 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, - 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, - 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001dc4, 0x08001fac, - 0x08001dc4, 0x08001dc4, 0x08001f9c, 0x08001f8c, 0x080031e8, 0x080031f0, - 0x080031b8, 0x080031c4, 0x080031d0, 0x080031dc, 0x08005644, 0x08005604, - 0x080055d0, 0x080055a4, 0x08005580, 0x0800553c, 0x00000000 }; + 0x08001e8c, 0x08001d18, 0x08001e68, 0x08001e44, 0x08001e20, 0x08001dfc, + 0x08001dd4, 0x08001dac, 0x08001d80, 0x08001f84, 0x08001f74, 0x08001d34, + 0x08001d34, 0x08001d34, 0x08001eb4, 0x08001eb4, 0x08001d34, 0x08001d34, + 0x08001f64, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001f54, + 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, + 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, + 0x08001d34, 0x08001d34, 0x08001f44, 0x08001d34, 0x08001d34, 0x08001f34, + 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, + 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, + 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001d34, 0x08001f1c, + 0x08001d34, 0x08001d34, 0x08001f0c, 0x08001efc, 0x08003208, 0x08003210, + 0x080031d8, 0x080031e4, 0x080031f0, 0x080031fc, 0x08005694, 0x08005654, + 0x08005620, 0x080055f4, 0x080055d0, 0x0800558c, 0x00000000 }; static struct fw_info bnx2_cp_fw_06 = { - /* Firmware version: 4.0.5 */ + /* Firmware version: 4.4.22 */ .ver_major = 0x4, - .ver_minor = 0x0, - .ver_fix = 0x5, + .ver_minor = 0x4, + .ver_fix = 0x16, - .start_addr = 0x08000078, + .start_addr = 0x08000080, .text_addr = 0x08000000, - .text_len = 0x59e4, + .text_len = 0x5a34, .text_index = 0x0, .gz_text = bnx2_CP_b06FwText, .gz_text_len = sizeof(bnx2_CP_b06FwText), - .data_addr = 0x08005b40, + .data_addr = 0x08005b80, .data_len = 0x84, .data_index = 0x0, .data = bnx2_CP_b06FwData, - .sbss_addr = 0x08005bc4, + .sbss_addr = 0x08005c04, .sbss_len = 0xe9, .sbss_index = 0x0, - .bss_addr = 0x08005cb0, + .bss_addr = 0x08005cf0, .bss_len = 0x5d8, .bss_index = 0x0, - .rodata_addr = 0x080059e4, + .rodata_addr = 0x08005a34, .rodata_len = 0x130, .rodata_index = 0x0, .rodata = bnx2_CP_b06FwRodata, @@ -2201,761 +2202,761 @@ static const struct cpu_reg cpu_reg_cp = { }; static u8 bnx2_RXP_b06FwText[] = { - 0xec, 0x5b, 0x5d, 0x70, 0x5c, 0xd7, 0x5d, 0xff, 0xdf, 0xb3, 0x2b, 0x69, - 0x2d, 0x4b, 0xf2, 0x95, 0xbc, 0x71, 0x56, 0xa9, 0x92, 0xec, 0x5a, 0x57, - 0xd2, 0xa6, 0x12, 0xe1, 0xca, 0x6c, 0x12, 0x75, 0xd8, 0x69, 0xb6, 0xbb, - 0xb2, 0xa3, 0xb4, 0x66, 0x46, 0x49, 0x0d, 0xcd, 0xb4, 0x65, 0x10, 0xbb, - 0x0e, 0xa4, 0x0f, 0x0c, 0xc6, 0x40, 0x26, 0x80, 0xc1, 0xcb, 0x4a, 0x71, - 0x94, 0x74, 0xad, 0xdd, 0xda, 0x0a, 0x86, 0x69, 0x61, 0x94, 0xd5, 0x87, - 0x53, 0x66, 0xad, 0x4d, 0xcb, 0x4b, 0x99, 0xd6, 0xb1, 0xea, 0xb8, 0x26, - 0x0f, 0x3c, 0xa4, 0x94, 0xce, 0x64, 0x20, 0x33, 0x35, 0xb2, 0x63, 0xfb, - 0x81, 0x8f, 0xc0, 0x4c, 0x49, 0x20, 0x6e, 0x2e, 0xbf, 0xdf, 0xb9, 0xf7, - 0xca, 0x2b, 0x45, 0xd0, 0x3c, 0xf0, 0x78, 0xcf, 0x8c, 0xe6, 0xde, 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0x7d, 0x55, 0x65, + 0x6c, 0x58, 0x9e, 0x9f, 0x8d, 0x7b, 0xd7, 0x09, 0x77, 0xd1, 0xda, 0x8e, + 0x3d, 0x50, 0x9e, 0x28, 0x57, 0x1c, 0x17, 0x44, 0x2c, 0xc2, 0x79, 0x8f, + 0x18, 0xdd, 0x86, 0x79, 0x8b, 0x11, 0xca, 0x2f, 0xf7, 0x16, 0xf2, 0x64, + 0x96, 0x71, 0x15, 0xdf, 0xd9, 0xd8, 0xa4, 0x4c, 0xdd, 0x59, 0x24, 0x14, + 0x07, 0xba, 0x74, 0x06, 0xfe, 0x3c, 0xbe, 0x5c, 0xfa, 0xdf, 0x51, 0x50, + 0x8f, 0xc2, 0x56, 0x16, 0x60, 0x2b, 0x0b, 0xb0, 0x91, 0x90, 0x85, 0x6b, + 0x05, 0xd8, 0xc8, 0x02, 0x6c, 0x24, 0xf4, 0xd9, 0x9b, 0x88, 0xed, 0xde, + 0x00, 0x0f, 0x19, 0x5f, 0xfb, 0x30, 0x7d, 0x6d, 0xfc, 0xfd, 0x17, 0xea, + 0x52, 0x61, 0x78, 0xd0, 0x71, 0x00, 0x00, 0x00 }; static const u32 bnx2_RXP_b06FwData[(0x0/4) + 1] = { 0x0 }; static const u32 bnx2_RXP_b06FwRodata[(0x24/4) + 1] = { - 0x08004590, 0x08004590, 0x08004508, 0x08004540, 0x08004574, 0x08004598, - 0x08004598, 0x08004598, 0x08004478, 0x00000000 }; + 0x0800458c, 0x0800458c, 0x08004504, 0x0800453c, 0x08004570, 0x08004594, + 0x08004594, 0x08004594, 0x08004474, 0x00000000 }; static struct fw_info bnx2_rxp_fw_06 = { - /* Firmware version: 4.1.1 */ + /* Firmware version: 4.4.2 */ .ver_major = 0x4, - .ver_minor = 0x1, - .ver_fix = 0x1, + .ver_minor = 0x4, + .ver_fix = 0x2, .start_addr = 0x080031d0, .text_addr = 0x08000000, - .text_len = 0x71d0, + .text_len = 0x71cc, .text_index = 0x0, .gz_text = bnx2_RXP_b06FwText, .gz_text_len = sizeof(bnx2_RXP_b06FwText), @@ -2973,7 +2974,7 @@ static struct fw_info bnx2_rxp_fw_06 = { .bss_len = 0x44c, .bss_index = 0x0, - .rodata_addr = 0x080071d0, + .rodata_addr = 0x080071cc, .rodata_len = 0x24, .rodata_index = 0x0, .rodata = bnx2_RXP_b06FwRodata, @@ -2996,687 +2997,639 @@ static const struct cpu_reg cpu_reg_rxp = { }; static u8 bnx2_rv2p_proc1[] = { - /* Date: 12/07/2007 15:02 */ - 0xd5, 0x56, 0x41, 0x6b, 0x13, 0x51, 0x10, 0x9e, 0xdd, 0x6c, 0xbb, 0xdb, - 0x64, 0xb3, 0x59, 0xaa, 0xd6, 0x50, 0x53, 0x93, 0x06, 0x2f, 0xad, 0x29, - 0x6d, 0xaa, 0x82, 0x42, 0xa1, 0x92, 0x4b, 0xc1, 0xf6, 0x20, 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0x3f, + 0x6b, 0xe4, 0x80, 0x7a, 0xd4, 0x64, 0xb1, 0xab, 0xb9, 0x21, 0xc6, 0x62, + 0x89, 0x40, 0x29, 0xa6, 0x84, 0x7e, 0x04, 0x15, 0xc4, 0xae, 0x3c, 0x23, + 0x49, 0xfd, 0x90, 0xbf, 0x79, 0x3e, 0x51, 0x9d, 0x88, 0x97, 0xeb, 0x72, + 0x1e, 0x93, 0x6d, 0x81, 0xb2, 0x5f, 0x5d, 0xf4, 0x22, 0x1d, 0x7c, 0x26, + 0xbd, 0xc8, 0x57, 0xa2, 0x2f, 0xdc, 0x71, 0x53, 0x73, 0xb2, 0x7c, 0x63, + 0x34, 0x2f, 0xef, 0xb4, 0x5a, 0xe8, 0x88, 0x15, 0x9c, 0x62, 0xe4, 0x47, + 0x5a, 0x63, 0xfa, 0x30, 0xc7, 0x73, 0x74, 0x9d, 0x5c, 0xde, 0x43, 0xbf, + 0xcc, 0x77, 0x8a, 0x2d, 0xec, 0x23, 0xb5, 0xec, 0x2f, 0xb8, 0xd6, 0x2f, + 0x9a, 0x25, 0xb6, 0x87, 0xf3, 0x6f, 0x79, 0x54, 0x53, 0xae, 0x33, 0x91, + 0x1a, 0x66, 0x3c, 0x0b, 0xba, 0xf4, 0xd6, 0x0e, 0xb5, 0x2d, 0xe1, 0xf6, + 0xcf, 0xaa, 0x32, 0x0e, 0x37, 0x1e, 0xb6, 0x49, 0xcd, 0x32, 0x32, 0xa7, + 0x90, 0x70, 0xfa, 0xa5, 0x39, 0x58, 0x26, 0x63, 0x68, 0x8a, 0xf4, 0x33, + 0x9e, 0x43, 0x61, 0x57, 0x0f, 0xf9, 0x8c, 0xf3, 0xe5, 0x3d, 0x1b, 0x2a, + 0x21, 0xb0, 0x22, 0xe9, 0x9e, 0xf9, 0xcb, 0xff, 0x5f, 0x43, 0xa5, 0x0f, + 0x91, 0x58, 0xfc, 0x5f, 0x69, 0xd7, 0x8a, 0xc0, 0xa8, 0x1a, 0x00, 0x00, + 0x00 }; static const u32 bnx2_TPAT_b06FwData[(0x0/4) + 1] = { 0x0 }; static const u32 bnx2_TPAT_b06FwRodata[(0x0/4) + 1] = { 0x0 }; static struct fw_info bnx2_tpat_fw_06 = { - /* Firmware version: 4.0.5 */ + /* Firmware version: 4.4.22 */ .ver_major = 0x4, - .ver_minor = 0x0, - .ver_fix = 0x5, + .ver_minor = 0x4, + .ver_fix = 0x16, - .start_addr = 0x08000888, + .start_addr = 0x08000488, - .text_addr = 0x08000800, - .text_len = 0x1a90, + .text_addr = 0x08000400, + .text_len = 0x1aa4, .text_index = 0x0, .gz_text = bnx2_TPAT_b06FwText, .gz_text_len = sizeof(bnx2_TPAT_b06FwText), @@ -3686,11 +3639,11 @@ static struct fw_info bnx2_tpat_fw_06 = { .data_index = 0x0, .data = bnx2_TPAT_b06FwData, - .sbss_addr = 0x080022c0, + .sbss_addr = 0x08001ec0, .sbss_len = 0x44, .sbss_index = 0x0, - .bss_addr = 0x08002304, + .bss_addr = 0x08001f04, .bss_len = 0x450, .bss_index = 0x0, @@ -3717,862 +3670,862 @@ static const struct cpu_reg cpu_reg_tpat = { }; static u8 bnx2_TXP_b06FwText[] = { - 0xad, 0x7b, 0x7f, 0x70, 0x9b, 0x75, 0x7a, 0xe7, 0xe7, 0xd5, 0x0f, 0x5b, - 0xb2, 0x65, 0x59, 0x0e, 0x4a, 0x90, 0x77, 0xbd, 0x8d, 0x5e, 0xf4, 0xca, - 0x16, 0xd8, 0x49, 0x5e, 0x25, 0xce, 0xc6, 0x59, 0xab, 0x44, 0x75, 0x1c, - 0xdb, 0x71, 0x1c, 0x30, 0xc1, 0xdd, 0x3a, 0x3d, 0xae, 0xf1, 0x25, 0x26, - 0x31, 0x10, 0xc0, 0xe9, 0xa6, 0x7b, 0x62, 0x8f, 0xd6, 0xc2, 0x76, 0x82, - 0x43, 0x64, 0xbf, 0xce, 0x2a, 0x59, 0x87, 0x4e, 0x67, 0xd6, 0x60, 0x07, - 0x07, 0x56, 0x8e, 0x60, 0xdb, 0x6b, 0xbb, 0x73, 0xbb, 0x83, 0x8e, 0x40, - 0xf0, 0x72, 0x01, 0xb6, 0xfd, 0xa3, 0x47, 0x6f, 0xee, 0xda, 0xcc, 0x02, - 0x59, 0xa0, 0x4b, 0xa0, 0x3b, 0x7b, 0x53, 0x67, 0x0b, 0xbc, 0xf7, 0x79, - 0xde, 0x57, 0x4a, 0xb2, 0x94, 0x4e, 0x67, 0x3a, 0xe7, 0x19, 0x8f, 0xac, - 0xf7, 0xc7, 0xf3, 0x7d, 0x7e, 0x3f, 0x9f, 0xe7, 0xf9, 0x7e, 0x5d, 0x0f, - 0x54, 0xa0, 0xf8, 0x53, 0xc5, 0xdf, 0xe6, 0xe1, 0xd4, 0xe1, 0x8d, 0x6b, - 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0xed, 0x6a, 0xeb, 0x74, 0x8f, 0x22, + 0xa6, 0x0d, 0xf9, 0x52, 0x19, 0xd5, 0x35, 0xeb, 0xcc, 0xcf, 0x3b, 0xd9, + 0x77, 0x6d, 0x35, 0x4b, 0xfd, 0xbc, 0xfc, 0x1f, 0x57, 0x58, 0xfe, 0x67, + 0xa2, 0x77, 0xa3, 0xb2, 0xac, 0x5b, 0x93, 0x7f, 0x2d, 0xf6, 0xb0, 0x9e, + 0x4e, 0xb2, 0x36, 0x9a, 0x55, 0xe8, 0x63, 0xdf, 0x31, 0x6c, 0x2c, 0x2b, + 0xee, 0x97, 0x89, 0x4c, 0x72, 0x4e, 0x42, 0xfc, 0x15, 0x59, 0xf6, 0x20, + 0xf8, 0x7b, 0xf2, 0xbf, 0xb7, 0x28, 0x57, 0x97, 0x9c, 0x23, 0xf0, 0x5e, + 0x3f, 0x47, 0x76, 0x6c, 0xec, 0xba, 0x5c, 0x1e, 0x5e, 0x1b, 0x25, 0x3e, + 0xdd, 0xab, 0xb4, 0xc1, 0xa7, 0x1c, 0xb9, 0x2e, 0x5e, 0x66, 0x0c, 0x0f, + 0xdb, 0x31, 0xec, 0xc8, 0xb5, 0xb2, 0x28, 0xd7, 0x8a, 0x7c, 0xa7, 0x7d, + 0x3e, 0x8b, 0x74, 0x5a, 0xe7, 0xc6, 0xe4, 0x1c, 0x99, 0xcc, 0x2e, 0x45, + 0x36, 0x91, 0xe3, 0x84, 0x55, 0xa1, 0x77, 0xa9, 0x6d, 0xf6, 0xb9, 0x32, + 0x39, 0xd3, 0x25, 0xfb, 0xfb, 0x25, 0xb9, 0xa4, 0x8e, 0x2f, 0x0a, 0x76, + 0x4c, 0xca, 0x39, 0x6b, 0xcb, 0xfa, 0x99, 0x51, 0x11, 0x14, 0x59, 0xce, + 0x1a, 0x22, 0x8b, 0x9c, 0x17, 0x29, 0xc9, 0xf3, 0xb5, 0xa2, 0x3c, 0x62, + 0xab, 0xeb, 0x76, 0x2a, 0xfd, 0xff, 0xdf, 0xdb, 0x39, 0xe7, 0x2c, 0x49, + 0x49, 0x9e, 0x60, 0x4a, 0xf8, 0xcf, 0xb7, 0x8e, 0x8e, 0x0f, 0xe0, 0x15, + 0xde, 0xff, 0x65, 0xae, 0x24, 0x97, 0x1b, 0x33, 0xd3, 0xa5, 0x33, 0x72, + 0x6c, 0x29, 0xcd, 0x98, 0x31, 0x42, 0x3f, 0x72, 0xe4, 0x93, 0x33, 0x72, + 0x8d, 0xf3, 0x97, 0xed, 0xb9, 0x57, 0x3c, 0xcd, 0x7e, 0x19, 0x67, 0x0b, + 0xbf, 0x6d, 0xbf, 0xa6, 0x7c, 0x05, 0x7b, 0x64, 0xa1, 0x3d, 0x47, 0xda, + 0x72, 0x96, 0x44, 0xe1, 0xa9, 0x69, 0x60, 0xda, 0xe4, 0xb2, 0xa9, 0x21, + 0x3c, 0x6e, 0x58, 0xd6, 0x93, 0xcd, 0xba, 0x9c, 0x01, 0xba, 0x50, 0x6b, + 0xcf, 0x85, 0x60, 0x54, 0xe9, 0xb2, 0x77, 0x27, 0xe7, 0x48, 0x7a, 0xa8, + 0x03, 0x91, 0x5d, 0x7c, 0xa0, 0x64, 0x7b, 0x39, 0xdf, 0x96, 0xa5, 0x7e, + 0x44, 0x37, 0xa5, 0x73, 0x6e, 0x32, 0x73, 0xb9, 0x51, 0x27, 0xb7, 0xd9, + 0x3a, 0x79, 0xda, 0x10, 0x7f, 0x65, 0xf6, 0xa1, 0xaf, 0xce, 0x10, 0x3f, + 0x8c, 0x18, 0x5e, 0x1b, 0xab, 0x1d, 0x26, 0x3e, 0x39, 0xc2, 0xd8, 0x79, + 0xd4, 0xbc, 0x88, 0x8b, 0xf9, 0x97, 0xf0, 0xca, 0xb5, 0xff, 0x85, 0x13, + 0x7f, 0xf1, 0xb5, 0x6c, 0xb1, 0xcf, 0x32, 0xfd, 0x75, 0xcb, 0xb2, 0xb8, + 0xe4, 0xa1, 0x93, 0x4d, 0x72, 0xb6, 0xa9, 0x3c, 0xf5, 0xde, 0x3a, 0xd9, + 0xdf, 0x2a, 0x4b, 0x0d, 0x7e, 0xf5, 0x82, 0x2e, 0xba, 0xf9, 0x64, 0xf5, + 0x19, 0x5d, 0xe4, 0xd2, 0x8d, 0x51, 0xfb, 0x7f, 0x33, 0x43, 0x6b, 0x77, + 0xeb, 0x12, 0x3b, 0xef, 0x34, 0xb7, 0xd9, 0x39, 0x61, 0x30, 0x75, 0xab, + 0xad, 0x83, 0x83, 0xa9, 0x65, 0x8e, 0x2e, 0x52, 0x09, 0xfb, 0xfb, 0xe1, + 0x94, 0xa3, 0x9b, 0x5c, 0xaa, 0xde, 0xfe, 0x1e, 0x4d, 0x39, 0x67, 0xa2, + 0xb3, 0x29, 0xdd, 0xfe, 0x1e, 0x4f, 0xc5, 0xec, 0xef, 0x23, 0xa9, 0x5b, + 0xae, 0xf3, 0xc5, 0x9f, 0xff, 0x07, 0xd8, 0xc4, 0xd3, 0xb4, 0xb4, 0x3a, + 0x00, 0x00, 0x00 }; static const u32 bnx2_TXP_b06FwData[(0x0/4) + 1] = { 0x0 }; static const u32 bnx2_TXP_b06FwRodata[(0x0/4) + 1] = { 0x0 }; static struct fw_info bnx2_txp_fw_06 = { - /* Firmware version: 4.0.5 */ + /* Firmware version: 4.4.2 */ .ver_major = 0x4, - .ver_minor = 0x0, - .ver_fix = 0x5, + .ver_minor = 0x4, + .ver_fix = 0x2, .start_addr = 0x08000098, .text_addr = 0x08000000, - .text_len = 0x3ad8, + .text_len = 0x3ab0, .text_index = 0x0, .gz_text = bnx2_TXP_b06FwText, .gz_text_len = sizeof(bnx2_TXP_b06FwText), @@ -4582,11 +4535,11 @@ static struct fw_info bnx2_txp_fw_06 = { .data_index = 0x0, .data = bnx2_TXP_b06FwData, - .sbss_addr = 0x08003b00, + .sbss_addr = 0x08003ae0, .sbss_len = 0x68, .sbss_index = 0x0, - .bss_addr = 0x08003b68, + .bss_addr = 0x08003b48, .bss_len = 0x14c, .bss_index = 0x0, @@ -4611,3 +4564,4 @@ static const struct cpu_reg cpu_reg_txp = { .spad_base = BNX2_TXP_SCRATCH, .mips_view_base = 0x8000000, }; + -- GitLab From a1efb4b686babf38e5e63add8b990f18e38becc4 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 9 Oct 2008 12:24:39 -0700 Subject: [PATCH 3313/6244] bnx2: Eliminate TSO header modifications. This is now possible with updated firmware. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 21711c753a09..f147204e1e47 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -6008,7 +6008,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) } #endif if ((mss = skb_shinfo(skb)->gso_size)) { - u32 tcp_opt_len, ip_tcp_len; + u32 tcp_opt_len; struct iphdr *iph; vlan_tag_flags |= TX_BD_FLAGS_SW_LSO; @@ -6032,21 +6032,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) mss |= (tcp_off & 0xc) << TX_BD_TCP6_OFF2_SHL; } } else { - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); - iph = ip_hdr(skb); - iph->check = 0; - iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len); - tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, - IPPROTO_TCP, - 0); if (tcp_opt_len || (iph->ihl > 5)) { vlan_tag_flags |= ((iph->ihl - 5) + (tcp_opt_len >> 2)) << 8; -- GitLab From 3d16af8665504c89f9ef3aae56f54fb93e48da61 Mon Sep 17 00:00:00 2001 From: Benjamin Li Date: Thu, 9 Oct 2008 12:26:41 -0700 Subject: [PATCH 3314/6244] bnx2: Handle DMA mapping errors. Before, the driver would not care about the return codes from pci_map_* functions. This could be potentially dangerous if a mapping failed. Now, we will check all pci_map_* calls. On the transmit side, we switch to use the new function skb_dma_map(). On the receive side, we add pci_dma_mapping_error(). Signed-off-by: Benjamin Li Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 114 ++++++++++++++++++++++++--------------------- drivers/net/bnx2.h | 8 +++- 2 files changed, 67 insertions(+), 55 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index f147204e1e47..a95ca4fa249f 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2476,6 +2476,11 @@ bnx2_alloc_rx_page(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) return -ENOMEM; mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(bp->pdev, mapping)) { + __free_page(page); + return -EIO; + } + rx_pg->page = page; pci_unmap_addr_set(rx_pg, mapping, mapping); rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; @@ -2518,6 +2523,10 @@ bnx2_alloc_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, u16 index) mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(bp->pdev, mapping)) { + dev_kfree_skb(skb); + return -EIO; + } rx_buf->skb = skb; pci_unmap_addr_set(rx_buf, mapping, mapping); @@ -2592,7 +2601,7 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) sw_cons = txr->tx_cons; while (sw_cons != hw_cons) { - struct sw_bd *tx_buf; + struct sw_tx_bd *tx_buf; struct sk_buff *skb; int i, last; @@ -2617,21 +2626,13 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) } } - pci_unmap_single(bp->pdev, pci_unmap_addr(tx_buf, mapping), - skb_headlen(skb), PCI_DMA_TODEVICE); + skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE); tx_buf->skb = NULL; last = skb_shinfo(skb)->nr_frags; for (i = 0; i < last; i++) { sw_cons = NEXT_TX_BD(sw_cons); - - pci_unmap_page(bp->pdev, - pci_unmap_addr( - &txr->tx_buf_ring[TX_RING_IDX(sw_cons)], - mapping), - skb_shinfo(skb)->frags[i].size, - PCI_DMA_TODEVICE); } sw_cons = NEXT_TX_BD(sw_cons); @@ -2672,11 +2673,31 @@ bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, { struct sw_pg *cons_rx_pg, *prod_rx_pg; struct rx_bd *cons_bd, *prod_bd; - dma_addr_t mapping; int i; - u16 hw_prod = rxr->rx_pg_prod, prod; + u16 hw_prod, prod; u16 cons = rxr->rx_pg_cons; + cons_rx_pg = &rxr->rx_pg_ring[cons]; + + /* The caller was unable to allocate a new page to replace the + * last one in the frags array, so we need to recycle that page + * and then free the skb. + */ + if (skb) { + struct page *page; + struct skb_shared_info *shinfo; + + shinfo = skb_shinfo(skb); + shinfo->nr_frags--; + page = shinfo->frags[shinfo->nr_frags].page; + shinfo->frags[shinfo->nr_frags].page = NULL; + + cons_rx_pg->page = page; + dev_kfree_skb(skb); + } + + hw_prod = rxr->rx_pg_prod; + for (i = 0; i < count; i++) { prod = RX_PG_RING_IDX(hw_prod); @@ -2685,20 +2706,6 @@ bnx2_reuse_rx_skb_pages(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, cons_bd = &rxr->rx_pg_desc_ring[RX_RING(cons)][RX_IDX(cons)]; prod_bd = &rxr->rx_pg_desc_ring[RX_RING(prod)][RX_IDX(prod)]; - if (i == 0 && skb) { - struct page *page; - struct skb_shared_info *shinfo; - - shinfo = skb_shinfo(skb); - shinfo->nr_frags--; - page = shinfo->frags[shinfo->nr_frags].page; - shinfo->frags[shinfo->nr_frags].page = NULL; - mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); - cons_rx_pg->page = page; - pci_unmap_addr_set(cons_rx_pg, mapping, mapping); - dev_kfree_skb(skb); - } if (prod != cons) { prod_rx_pg->page = cons_rx_pg->page; cons_rx_pg->page = NULL; @@ -2784,6 +2791,8 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, skb_put(skb, hdr_len); for (i = 0; i < pages; i++) { + dma_addr_t mapping_old; + frag_len = min(frag_size, (unsigned int) PAGE_SIZE); if (unlikely(frag_len <= 4)) { unsigned int tail = 4 - frag_len; @@ -2806,9 +2815,10 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, } rx_pg = &rxr->rx_pg_ring[pg_cons]; - pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), - PAGE_SIZE, PCI_DMA_FROMDEVICE); - + /* Don't unmap yet. If we're unable to allocate a new + * page, we need to recycle the page and the DMA addr. + */ + mapping_old = pci_unmap_addr(rx_pg, mapping); if (i == pages - 1) frag_len -= 4; @@ -2825,6 +2835,9 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, return err; } + pci_unmap_page(bp->pdev, mapping_old, + PAGE_SIZE, PCI_DMA_FROMDEVICE); + frag_size -= frag_len; skb->data_len += frag_len; skb->truesize += frag_len; @@ -4971,31 +4984,20 @@ bnx2_free_tx_skbs(struct bnx2 *bp) continue; for (j = 0; j < TX_DESC_CNT; ) { - struct sw_bd *tx_buf = &txr->tx_buf_ring[j]; + struct sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; struct sk_buff *skb = tx_buf->skb; - int k, last; if (skb == NULL) { j++; continue; } - pci_unmap_single(bp->pdev, - pci_unmap_addr(tx_buf, mapping), - skb_headlen(skb), PCI_DMA_TODEVICE); + skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE); tx_buf->skb = NULL; - last = skb_shinfo(skb)->nr_frags; - for (k = 0; k < last; k++) { - tx_buf = &txr->tx_buf_ring[j + k + 1]; - pci_unmap_page(bp->pdev, - pci_unmap_addr(tx_buf, mapping), - skb_shinfo(skb)->frags[j].size, - PCI_DMA_TODEVICE); - } + j += skb_shinfo(skb)->nr_frags + 1; dev_kfree_skb(skb); - j += k + 1; } } } @@ -5373,8 +5375,11 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) for (i = 14; i < pkt_size; i++) packet[i] = (unsigned char) (i & 0xff); - map = pci_map_single(bp->pdev, skb->data, pkt_size, - PCI_DMA_TODEVICE); + if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) { + dev_kfree_skb(skb); + return -EIO; + } + map = skb_shinfo(skb)->dma_maps[0]; REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT); @@ -5409,7 +5414,7 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) udelay(5); - pci_unmap_single(bp->pdev, map, pkt_size, PCI_DMA_TODEVICE); + skb_dma_unmap(&bp->pdev->dev, skb, DMA_TO_DEVICE); dev_kfree_skb(skb); if (bnx2_get_hw_tx_cons(tx_napi) != txr->tx_prod) @@ -5970,13 +5975,14 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); dma_addr_t mapping; struct tx_bd *txbd; - struct sw_bd *tx_buf; + struct sw_tx_bd *tx_buf; u32 len, vlan_tag_flags, last_frag, mss; u16 prod, ring_prod; int i; struct bnx2_napi *bnapi; struct bnx2_tx_ring_info *txr; struct netdev_queue *txq; + struct skb_shared_info *sp; /* Determine which tx ring we will be placed on */ i = skb_get_queue_mapping(skb); @@ -6041,11 +6047,16 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) } else mss = 0; - mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (skb_dma_map(&bp->pdev->dev, skb, DMA_TO_DEVICE)) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } + + sp = skb_shinfo(skb); + mapping = sp->dma_maps[0]; tx_buf = &txr->tx_buf_ring[ring_prod]; tx_buf->skb = skb; - pci_unmap_addr_set(tx_buf, mapping, mapping); txbd = &txr->tx_desc_ring[ring_prod]; @@ -6064,10 +6075,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) txbd = &txr->tx_desc_ring[ring_prod]; len = frag->size; - mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset, - len, PCI_DMA_TODEVICE); - pci_unmap_addr_set(&txr->tx_buf_ring[ring_prod], - mapping, mapping); + mapping = sp->dma_maps[i + 1]; txbd->tx_bd_haddr_hi = (u64) mapping >> 32; txbd->tx_bd_haddr_lo = (u64) mapping & 0xffffffff; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index edc7774f2f21..617d95340160 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6526,10 +6526,14 @@ struct sw_pg { DECLARE_PCI_UNMAP_ADDR(mapping) }; +struct sw_tx_bd { + struct sk_buff *skb; +}; + #define SW_RXBD_RING_SIZE (sizeof(struct sw_bd) * RX_DESC_CNT) #define SW_RXPG_RING_SIZE (sizeof(struct sw_pg) * RX_DESC_CNT) #define RXBD_RING_SIZE (sizeof(struct rx_bd) * RX_DESC_CNT) -#define SW_TXBD_RING_SIZE (sizeof(struct sw_bd) * TX_DESC_CNT) +#define SW_TXBD_RING_SIZE (sizeof(struct sw_tx_bd) * TX_DESC_CNT) #define TXBD_RING_SIZE (sizeof(struct tx_bd) * TX_DESC_CNT) /* Buffered flash (Atmel: AT45DB011B) specific information */ @@ -6609,7 +6613,7 @@ struct bnx2_tx_ring_info { u32 tx_bseq_addr; struct tx_bd *tx_desc_ring; - struct sw_bd *tx_buf_ring; + struct sw_tx_bd *tx_buf_ring; u16 tx_cons; u16 hw_tx_cons; -- GitLab From ec7e6fabbe72f1fe65eed14c106a0fbc00f6c2f1 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 9 Oct 2008 12:27:06 -0700 Subject: [PATCH 3315/6244] bnx2: Update version to 1.8.1. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index a95ca4fa249f..430d430bce29 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -57,8 +57,8 @@ #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.8.0" -#define DRV_MODULE_RELDATE "Aug 14, 2008" +#define DRV_MODULE_VERSION "1.8.1" +#define DRV_MODULE_RELDATE "Oct 7, 2008" #define RUN_AT(x) (jiffies + (x)) -- GitLab From 3bca103a1e658d23737d20e1989139d9ca8973bf Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 7 Oct 2008 20:14:55 +0100 Subject: [PATCH 3316/6244] [ARM] 5295/1: make ZONE_DMA optional Most ARM machines don't need a special "DMA" memory zone, and when configured out, the kernel becomes a bit smaller: | text data bss dec hex filename |3826182 102384 111700 4040266 3da64a vmlinux |3823593 101616 111700 4036909 3d992d vmlinux.nodmazone This is because the system now has only one zone total which effect is to optimize away many conditionals in page allocation paths. So let's configure this zone only on machines that need split zones. Signed-off-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/Kconfig | 4 +++- arch/arm/common/Kconfig | 3 ++- arch/arm/include/asm/memory.h | 2 ++ arch/arm/mach-pxa/Kconfig | 1 + 4 files changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f5bf38b5f38d..ea52fae33290 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -148,7 +148,6 @@ config ARCH_MAY_HAVE_PC_FDC config ZONE_DMA bool - default y config GENERIC_ISA_DMA bool @@ -357,6 +356,7 @@ config ARCH_IXP4XX select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS + select ZONE_DMA if PCI help Support for Intel's IXP4XX (XScale) family of processors. @@ -503,6 +503,7 @@ config ARCH_SHARK bool "Shark" select ISA select ISA_DMA + select ZONE_DMA select PCI help Support for the StrongARM based Digital DNARD machine, also known @@ -524,6 +525,7 @@ config ARCH_DAVINCI select GENERIC_CLOCKEVENTS select GENERIC_GPIO select HAVE_CLK + select ZONE_DMA help Support for TI's DaVinci platform. diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 3e073467caca..2e32acca02fb 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -12,7 +12,8 @@ config ICST307 config SA1111 bool - select DMABOUNCE + select DMABOUNCE if !ARCH_PXA + select ZONE_DMA if !ARCH_PXA config DMABOUNCE bool diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 7834adbe1774..809ff9ab853a 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -137,6 +137,8 @@ #ifndef arch_adjust_zones #define arch_adjust_zones(node,size,holes) do { } while (0) +#elif !defined(CONFIG_ZONE_DMA) +#error "custom arch_adjust_zones() requires CONFIG_ZONE_DMA" #endif /* diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index e8ee7ec9ff6d..e484f609feda 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -210,6 +210,7 @@ config MACH_ARMCORE bool "CompuLab CM-X270 modules" select PXA27x select IWMMXT + select ZONE_DMA if PCI config MACH_MAGICIAN bool "Enable HTC Magician Support" -- GitLab From efc968d450e013049a662d22727cf132618dcb2f Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Thu, 9 Oct 2008 14:04:54 -0700 Subject: [PATCH 3317/6244] Don't allow splice() to files opened with O_APPEND This is debatable, but while we're debating it, let's disallow the combination of splice and an O_APPEND destination. It's not entirely clear what the semantics of O_APPEND should be, and POSIX apparently expects pwrite() to ignore O_APPEND, for example. So we could make up any semantics we want, including the old ones. But Miklos convinced me that we should at least give it some thought, and that accepting writes at arbitrary offsets is wrong at least for IS_APPEND() files (which always have O_APPEND set, even if the reverse isn't true: you can obviously have O_APPEND set on a regular file). So disallow O_APPEND entirely for now. I doubt anybody cares, and this way we have one less gray area to worry about. Reported-and-argued-for-by: Miklos Szeredi Acked-by: Jens Axboe Signed-off-by: Linus Torvalds --- fs/splice.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/splice.c b/fs/splice.c index 1bbc6f4bb09c..a1e701c27156 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -898,6 +898,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out, if (unlikely(!(out->f_mode & FMODE_WRITE))) return -EBADF; + if (unlikely(out->f_flags & O_APPEND)) + return -EINVAL; + ret = rw_verify_area(WRITE, out, ppos, len); if (unlikely(ret < 0)) return ret; -- GitLab From af807c82978ec1b8c5120b59b78ef951b3e4603b Mon Sep 17 00:00:00 2001 From: Dave Graham Date: Thu, 9 Oct 2008 14:28:58 -0700 Subject: [PATCH 3318/6244] e1000e: don't generate bad checksums for tcp packets with 0 csum When offloading transmit checksums only, the driver was not correctly configuring the hardware to handle the case of a zero checksum. For UDP the correct behavior is to leave it alone, but for tcp the checksum must be changed from 0x0000 to 0xFFFF. The hardware takes care of this case but only if it is told the packet is tcp. Signed-off-by: Dave Graham Signed-off-by: Jesse Brandeburg Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e1000e/netdev.c | 62 +++++++++++++++++++++++-------------- 1 file changed, 39 insertions(+), 23 deletions(-) diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 1b72749979c4..abd492b7336d 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -3749,34 +3749,50 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb) struct e1000_buffer *buffer_info; unsigned int i; u8 css; + u32 cmd_len = E1000_TXD_CMD_DEXT; - if (skb->ip_summed == CHECKSUM_PARTIAL) { - css = skb_transport_offset(skb); - - i = tx_ring->next_to_use; - buffer_info = &tx_ring->buffer_info[i]; - context_desc = E1000_CONTEXT_DESC(*tx_ring, i); - - context_desc->lower_setup.ip_config = 0; - context_desc->upper_setup.tcp_fields.tucss = css; - context_desc->upper_setup.tcp_fields.tucso = - css + skb->csum_offset; - context_desc->upper_setup.tcp_fields.tucse = 0; - context_desc->tcp_seg_setup.data = 0; - context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; - buffer_info->time_stamp = jiffies; - buffer_info->next_to_watch = i; + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + case __constant_htons(ETH_P_IPV6): + /* XXX not handling all IPV6 headers */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + default: + if (unlikely(net_ratelimit())) + e_warn("checksum_partial proto=%x!\n", skb->protocol); + break; + } - i++; - if (i == tx_ring->count) - i = 0; - tx_ring->next_to_use = i; + css = skb_transport_offset(skb); - return 1; - } + i = tx_ring->next_to_use; + buffer_info = &tx_ring->buffer_info[i]; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); + + context_desc->lower_setup.ip_config = 0; + context_desc->upper_setup.tcp_fields.tucss = css; + context_desc->upper_setup.tcp_fields.tucso = + css + skb->csum_offset; + context_desc->upper_setup.tcp_fields.tucse = 0; + context_desc->tcp_seg_setup.data = 0; + context_desc->cmd_and_length = cpu_to_le32(cmd_len); + + buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; + + i++; + if (i == tx_ring->count) + i = 0; + tx_ring->next_to_use = i; - return 0; + return 1; } #define E1000_MAX_PER_TXD 8192 -- GitLab From 3ed30676f5bc9960c67644fa37c5fdc36ae47b5b Mon Sep 17 00:00:00 2001 From: Dave Graham Date: Thu, 9 Oct 2008 14:29:26 -0700 Subject: [PATCH 3319/6244] e1000: don't generate bad checksums for tcp packets with 0 csum When offloading transmit checksums only, the driver was not correctly configuring the hardware to handle the case of a zero checksum. For UDP the correct behavior is to leave it alone, but for tcp the checksum must be changed from 0x0000 to 0xFFFF. The hardware takes care of this case but only if it is told the packet is tcp. same patch as e1000e Signed-off-by: Dave Graham Signed-off-by: Jesse Brandeburg Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e1000/e1000_main.c | 55 ++++++++++++++++++++++------------ 1 file changed, 36 insertions(+), 19 deletions(-) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 2ab44db29fac..3bafaede7916 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2873,32 +2873,49 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_buffer *buffer_info; unsigned int i; u8 css; + u32 cmd_len = E1000_TXD_CMD_DEXT; - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - css = skb_transport_offset(skb); + if (skb->ip_summed != CHECKSUM_PARTIAL) + return false; - i = tx_ring->next_to_use; - buffer_info = &tx_ring->buffer_info[i]; - context_desc = E1000_CONTEXT_DESC(*tx_ring, i); + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + case __constant_htons(ETH_P_IPV6): + /* XXX not handling all IPV6 headers */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + default: + if (unlikely(net_ratelimit())) + DPRINTK(DRV, WARNING, + "checksum_partial proto=%x!\n", skb->protocol); + break; + } - context_desc->lower_setup.ip_config = 0; - context_desc->upper_setup.tcp_fields.tucss = css; - context_desc->upper_setup.tcp_fields.tucso = - css + skb->csum_offset; - context_desc->upper_setup.tcp_fields.tucse = 0; - context_desc->tcp_seg_setup.data = 0; - context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); + css = skb_transport_offset(skb); - buffer_info->time_stamp = jiffies; - buffer_info->next_to_watch = i; + i = tx_ring->next_to_use; + buffer_info = &tx_ring->buffer_info[i]; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); - if (unlikely(++i == tx_ring->count)) i = 0; - tx_ring->next_to_use = i; + context_desc->lower_setup.ip_config = 0; + context_desc->upper_setup.tcp_fields.tucss = css; + context_desc->upper_setup.tcp_fields.tucso = + css + skb->csum_offset; + context_desc->upper_setup.tcp_fields.tucse = 0; + context_desc->tcp_seg_setup.data = 0; + context_desc->cmd_and_length = cpu_to_le32(cmd_len); - return true; - } + buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; - return false; + if (unlikely(++i == tx_ring->count)) i = 0; + tx_ring->next_to_use = i; + + return true; } #define E1000_MAX_TXD_PWR 12 -- GitLab From 5c714e238e5e0eb74cdc74201bf3d6296b3b3104 Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Thu, 9 Oct 2008 14:31:42 -0700 Subject: [PATCH 3320/6244] myri10ge: remove over-paranoid queue number modulus No need to modulus the queue number in ->hard_start_xmit() since the core is going to do that for you modulus ->real_num_tx_queues. Signed-off-by: Brice Goglin Signed-off-by: David S. Miller --- drivers/net/myri10ge/myri10ge.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index ab7755abd205..8cec6f3c2f8b 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -2643,8 +2643,6 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev) u8 flags, odd_flag; queue = skb_get_queue_mapping(skb); - queue &= (mgp->num_slices - 1); - ss = &mgp->ss[queue]; netdev_queue = netdev_get_tx_queue(mgp->dev, queue); tx = &ss->tx; -- GitLab From 3d5a019d5761a40465337711ae7d2beb1e9b43ec Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 9 Oct 2008 14:32:24 -0700 Subject: [PATCH 3321/6244] sctp: Fix the SNMP number of SCTP_MIB_CURRESTAB RFC3873 defined SCTP_MIB_CURRESTAB: sctpCurrEstab OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of associations for which the current state is either ESTABLISHED, SHUTDOWN-RECEIVED or SHUTDOWN-PENDING." REFERENCE "Section 4 in RFC2960 covers the SCTP Association state diagram." If the T4 RTO timer expires many times(timeout), the association will enter CLOSED state, so we should dec the number of SCTP_MIB_CURRESTAB, not inc the number of SCTP_MIB_CURRESTAB. Signed-off-by: Wei Yongjun Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/sctp/sm_statefuns.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index ea3a34cbe470..1588d063c68c 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -5436,7 +5436,7 @@ sctp_disposition_t sctp_sf_t4_timer_expire( sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_PERR(SCTP_ERROR_NO_ERROR)); SCTP_INC_STATS(SCTP_MIB_ABORTEDS); - SCTP_INC_STATS(SCTP_MIB_CURRESTAB); + SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); return SCTP_DISPOSITION_ABORT; } -- GitLab From 56eb82bb8d2cdd8d9f4838eaa109df41d7164ca5 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Thu, 9 Oct 2008 14:33:01 -0700 Subject: [PATCH 3322/6244] sctp: Fix SNMP number of SCTP_MIB_ABORTED during violation handling. If ABORT chunks require authentication and a protocol violation is triggered, we do not tear down the association. Subsequently, we should not increment SCTP_MIB_ABORTED. Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/sctp/sm_statefuns.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 1588d063c68c..f5094f1b5afa 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -4188,11 +4188,10 @@ static sctp_disposition_t sctp_sf_abort_violation( SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS); } -discard: - sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands); - SCTP_INC_STATS(SCTP_MIB_ABORTEDS); +discard: + sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands); return SCTP_DISPOSITION_ABORT; nomem_pkt: @@ -4265,12 +4264,10 @@ static sctp_disposition_t sctp_sf_violation_paramlen( sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_PERR(SCTP_ERROR_PROTO_VIOLATION)); SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); + SCTP_INC_STATS(SCTP_MIB_ABORTEDS); discard: sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands); - - SCTP_INC_STATS(SCTP_MIB_ABORTEDS); - return SCTP_DISPOSITION_ABORT; nomem: return SCTP_DISPOSITION_NOMEM; -- GitLab From a1080a8b0bc301c223c4bf0cea4c5e42f43dcf58 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Thu, 9 Oct 2008 14:33:26 -0700 Subject: [PATCH 3323/6244] sctp: update SNMP statiscts when T5 timer expired. The T5 timer is the timer for the over-all shutdown procedure. If this timer expires, then shutdown procedure has not completed and we ABORT the association. We should update SCTP_MIB_ABORTED and SCTP_MIB_CURRESTAB when aborting. Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/sctp/sm_statefuns.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index f5094f1b5afa..d4c3fbc4671e 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -5489,6 +5489,9 @@ sctp_disposition_t sctp_sf_t5_timer_expire(const struct sctp_endpoint *ep, sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_PERR(SCTP_ERROR_NO_ERROR)); + SCTP_INC_STATS(SCTP_MIB_ABORTEDS); + SCTP_DEC_STATS(SCTP_MIB_CURRESTAB); + return SCTP_DISPOSITION_DELETE_TCB; nomem: return SCTP_DISPOSITION_NOMEM; -- GitLab From 1d74a6bddf647285e7aa4e9ca4ec16eb071dfd95 Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Thu, 9 Oct 2008 14:34:47 -0700 Subject: [PATCH 3324/6244] smsc95xx: fix usb usage on big endian platforms Fix warnings caught by David Miller on sparc64 Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 412bde6217c0..51e2f5d7d14e 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -320,12 +320,12 @@ static void smsc95xx_async_cmd_callback(struct urb *urb, struct pt_regs *regs) usb_free_urb(urb); } -static int smsc95xx_write_reg_async(struct usbnet *dev, u32 index, u32 *data) +static int smsc95xx_write_reg_async(struct usbnet *dev, u16 index, u32 *data) { struct usb_context *usb_context; int status; struct urb *urb; - const u32 size = 4; + const u16 size = 4; urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) { @@ -344,8 +344,8 @@ static int smsc95xx_write_reg_async(struct usbnet *dev, u32 index, u32 *data) USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; usb_context->req.bRequest = USB_VENDOR_REQUEST_WRITE_REGISTER; usb_context->req.wValue = 00; - usb_context->req.wIndex = cpu_to_le32(index); - usb_context->req.wLength = cpu_to_le32(size); + usb_context->req.wIndex = cpu_to_le16(index); + usb_context->req.wLength = cpu_to_le16(size); init_completion(&usb_context->notify); usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), @@ -545,7 +545,7 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb) } memcpy(&intdata, urb->transfer_buffer, 4); - le32_to_cpus(intdata); + le32_to_cpus(&intdata); if (netif_msg_link(dev)) devdbg(dev, "intdata: 0x%08X", intdata); -- GitLab From df58ef51caea073f4b45857c51f445f65267dac7 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 9 Oct 2008 14:35:58 -0700 Subject: [PATCH 3325/6244] r8169: fix early spinlock use rtl8169_init_one -> rtl_init_mac_address -> rtl_rar_set -> spin_lock_irq(&tp->lock); [...] -> spin_lock_init(&tp->lock); Signed-off-by: Francois Romieu Signed-off-by: David S. Miller --- drivers/net/r8169.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 108aaff0b211..59fbc64d7c47 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1952,7 +1952,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->do_ioctl = rtl8169_ioctl; } - /* Read MAC address from EEPROM */ + spin_lock_init(&tp->lock); + rtl_init_mac_address(tp, ioaddr); /* Get MAC address */ @@ -1995,8 +1996,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->timer.data = (unsigned long) dev; tp->timer.function = rtl8169_phy_timer; - spin_lock_init(&tp->lock); - rc = register_netdev(dev); if (rc < 0) goto err_out_msi_5; -- GitLab From 78e645cb890b0f32ea81a974e29427d9cd2f64f0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Thu, 9 Oct 2008 14:37:47 -0700 Subject: [PATCH 3326/6244] tcpv[46]: fix md5 pseudoheader address field ordering MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Maybe it's just me but I guess those md5 people made a mess out of it by having *_md5_hash_* to use daddr, saddr order instead of the one that is natural (and equal to what csum functions use). For the segment were sending, the original addresses are reversed so buff's saddr == skb's daddr and vice-versa. Maybe I can finally proceed with unification of some code after fixing it first... :-) Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv4/tcp_ipv4.c | 4 ++-- net/ipv6/tcp_ipv6.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index ba46769c6e97..5c8fa7f1e327 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -583,8 +583,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) rep.th.doff = arg.iov[0].iov_len / 4; tcp_v4_md5_hash_hdr((__u8 *) &rep.opt[1], - key, ip_hdr(skb)->daddr, - ip_hdr(skb)->saddr, &rep.th); + key, ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, &rep.th); } #endif arg.csum = csum_tcpudp_nofold(ip_hdr(skb)->daddr, diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index dd7bdde7bddc..eab10bc7ff87 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1007,8 +1007,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) (TCPOPT_MD5SIG << 8) | TCPOLEN_MD5SIG); tcp_v6_md5_hash_hdr((__u8 *)&opt[1], key, - &ipv6_hdr(skb)->daddr, - &ipv6_hdr(skb)->saddr, t1); + &ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr, t1); } #endif -- GitLab From 77c676da1b717eed7239144fb539dfc4c7b78e04 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Thu, 9 Oct 2008 14:41:38 -0700 Subject: [PATCH 3327/6244] tcpv6: trivial formatting changes to send_(ack|reset) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index eab10bc7ff87..910603cd12d2 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -949,7 +949,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) struct flowi fl; struct net *net = dev_net(skb->dst->dev); struct sock *ctl_sk = net->ipv6.tcp_sk; - unsigned int tot_len = sizeof(*th); + unsigned int tot_len = sizeof(struct tcphdr); #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *key; #endif @@ -1033,7 +1033,6 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) * namespace */ if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) { - if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) { ip6_xmit(ctl_sk, buff, &fl, NULL, 0); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); @@ -1070,13 +1069,13 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len); - t1 = (struct tcphdr *) skb_push(buff,tot_len); + t1 = (struct tcphdr *) skb_push(buff, tot_len); /* Swap the send and the receive. */ memset(t1, 0, sizeof(*t1)); t1->dest = th->source; t1->source = th->dest; - t1->doff = tot_len/4; + t1->doff = tot_len / 4; t1->seq = htonl(seq); t1->ack_seq = htonl(ack); t1->ack = 1; -- GitLab From 81ada62d70060023923f46ab666cdc2970e1e0ce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Thu, 9 Oct 2008 14:42:01 -0700 Subject: [PATCH 3328/6244] tcpv6: convert opt[] -> topt in tcp_v6_send_reset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit after this I get: $ diff-funcs tcp_v6_send_reset tcp_ipv6.c tcp_ipv6.c tcp_v6_send_ack --- tcp_ipv6.c:tcp_v6_send_reset() +++ tcp_ipv6.c:tcp_v6_send_ack() @@ -1,4 +1,5 @@ -static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) +static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts, + struct tcp_md5sig_key *key) { struct tcphdr *th = tcp_hdr(skb), *t1; struct sk_buff *buff; @@ -7,31 +8,14 @@ struct sock *ctl_sk = net->ipv6.tcp_sk; unsigned int tot_len = sizeof(struct tcphdr); __be32 *topt; -#ifdef CONFIG_TCP_MD5SIG - struct tcp_md5sig_key *key; -#endif - - if (th->rst) - return; - - if (!ipv6_unicast_destination(skb)) - return; + if (ts) + tot_len += TCPOLEN_TSTAMP_ALIGNED; #ifdef CONFIG_TCP_MD5SIG - if (sk) - key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); - else - key = NULL; - if (key) tot_len += TCPOLEN_MD5SIG_ALIGNED; #endif - /* - * We need to grab some memory, and put together an RST, - * and then put it into the queue to be sent. - */ - buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len, GFP_ATOMIC); if (buff == NULL) @@ -46,18 +30,20 @@ t1->dest = th->source; t1->source = th->dest; t1->doff = tot_len / 4; - t1->rst = 1; - - if(th->ack) { - t1->seq = th->ack_seq; - } else { - t1->ack = 1; - t1->ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin - + skb->len - (th->doff<<2)); - } + t1->seq = htonl(seq); + t1->ack_seq = htonl(ack); + t1->ack = 1; + t1->window = htons(win); topt = (__be32 *)(t1 + 1); + if (ts) { + *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | + (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP); + *topt++ = htonl(tcp_time_stamp); + *topt++ = htonl(ts); + } + #ifdef CONFIG_TCP_MD5SIG if (key) { *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | @@ -84,15 +70,10 @@ fl.fl_ip_sport = t1->source; security_skb_classify_flow(skb, &fl); - /* Pass a socket to ip6_dst_lookup either it is for RST - * Underlying function will use this to retrieve the network - * namespace - */ if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) { if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) { ip6_xmit(ctl_sk, buff, &fl, NULL, 0); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); - TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS); return; } } ...which starts to be trivial to combine. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 910603cd12d2..1941c5c888d3 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -950,6 +950,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) struct net *net = dev_net(skb->dst->dev); struct sock *ctl_sk = net->ipv6.tcp_sk; unsigned int tot_len = sizeof(struct tcphdr); + __be32 *topt; #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *key; #endif @@ -999,14 +1000,13 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) + skb->len - (th->doff<<2)); } + topt = (__be32 *)(t1 + 1); + #ifdef CONFIG_TCP_MD5SIG if (key) { - __be32 *opt = (__be32*)(t1 + 1); - opt[0] = htonl((TCPOPT_NOP << 24) | - (TCPOPT_NOP << 16) | - (TCPOPT_MD5SIG << 8) | - TCPOLEN_MD5SIG); - tcp_v6_md5_hash_hdr((__u8 *)&opt[1], key, + *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | + (TCPOPT_MD5SIG << 8) | TCPOLEN_MD5SIG); + tcp_v6_md5_hash_hdr((__u8 *)topt, key, &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, t1); } -- GitLab From 626e264dd1989bdc98a5eaf2e059af4dba07ac4f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Thu, 9 Oct 2008 14:42:40 -0700 Subject: [PATCH 3329/6244] tcpv6: combine tcp_v6_send_(reset|ack) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit $ codiff tcp_ipv6.o.old tcp_ipv6.o.new net/ipv6/tcp_ipv6.c: tcp_v6_md5_hash_hdr | -144 tcp_v6_send_ack | -585 tcp_v6_send_reset | -540 3 functions changed, 1269 bytes removed, diff: -1269 net/ipv6/tcp_ipv6.c: tcp_v6_send_response | +791 1 function changed, 791 bytes added, diff: +791 tcp_ipv6.o.new: 4 functions changed, 791 bytes added, 1269 bytes removed, diff: -478 I choose to leave the reset related netns comment in place (not the one that is killed) as I cannot understand its English so it's a bit hard for me to evaluate its usefulness :-). Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 139 +++++++++++++------------------------------- 1 file changed, 40 insertions(+), 99 deletions(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 1941c5c888d3..13c65144a00a 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -942,7 +942,8 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb) return 0; } -static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) +static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win, + u32 ts, struct tcp_md5sig_key *key, int rst) { struct tcphdr *th = tcp_hdr(skb), *t1; struct sk_buff *buff; @@ -951,31 +952,14 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) struct sock *ctl_sk = net->ipv6.tcp_sk; unsigned int tot_len = sizeof(struct tcphdr); __be32 *topt; -#ifdef CONFIG_TCP_MD5SIG - struct tcp_md5sig_key *key; -#endif - - if (th->rst) - return; - - if (!ipv6_unicast_destination(skb)) - return; + if (ts) + tot_len += TCPOLEN_TSTAMP_ALIGNED; #ifdef CONFIG_TCP_MD5SIG - if (sk) - key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); - else - key = NULL; - if (key) tot_len += TCPOLEN_MD5SIG_ALIGNED; #endif - /* - * We need to grab some memory, and put together an RST, - * and then put it into the queue to be sent. - */ - buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len, GFP_ATOMIC); if (buff == NULL) @@ -990,18 +974,21 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) t1->dest = th->source; t1->source = th->dest; t1->doff = tot_len / 4; - t1->rst = 1; - - if(th->ack) { - t1->seq = th->ack_seq; - } else { - t1->ack = 1; - t1->ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin - + skb->len - (th->doff<<2)); - } + t1->seq = htonl(seq); + t1->ack_seq = htonl(ack); + t1->ack = !rst || !th->ack; + t1->rst = rst; + t1->window = htons(win); topt = (__be32 *)(t1 + 1); + if (ts) { + *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | + (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP); + *topt++ = htonl(tcp_time_stamp); + *topt++ = htonl(ts); + } + #ifdef CONFIG_TCP_MD5SIG if (key) { *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | @@ -1036,7 +1023,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) { ip6_xmit(ctl_sk, buff, &fl, NULL, 0); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); - TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS); + if (rst) + TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS); return; } } @@ -1044,87 +1032,40 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) kfree_skb(buff); } -static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts, - struct tcp_md5sig_key *key) +static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) { - struct tcphdr *th = tcp_hdr(skb), *t1; - struct sk_buff *buff; - struct flowi fl; - struct net *net = dev_net(skb->dst->dev); - struct sock *ctl_sk = net->ipv6.tcp_sk; - unsigned int tot_len = sizeof(struct tcphdr); - __be32 *topt; - - if (ts) - tot_len += TCPOLEN_TSTAMP_ALIGNED; + struct tcphdr *th = tcp_hdr(skb); + u32 seq = 0, ack_seq = 0; #ifdef CONFIG_TCP_MD5SIG - if (key) - tot_len += TCPOLEN_MD5SIG_ALIGNED; + struct tcp_md5sig_key *key; #endif - buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len, - GFP_ATOMIC); - if (buff == NULL) + if (th->rst) return; - skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len); - - t1 = (struct tcphdr *) skb_push(buff, tot_len); - - /* Swap the send and the receive. */ - memset(t1, 0, sizeof(*t1)); - t1->dest = th->source; - t1->source = th->dest; - t1->doff = tot_len / 4; - t1->seq = htonl(seq); - t1->ack_seq = htonl(ack); - t1->ack = 1; - t1->window = htons(win); - - topt = (__be32 *)(t1 + 1); - - if (ts) { - *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | - (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP); - *topt++ = htonl(tcp_time_stamp); - *topt++ = htonl(ts); - } + if (!ipv6_unicast_destination(skb)) + return; #ifdef CONFIG_TCP_MD5SIG - if (key) { - *topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | - (TCPOPT_MD5SIG << 8) | TCPOLEN_MD5SIG); - tcp_v6_md5_hash_hdr((__u8 *)topt, key, - &ipv6_hdr(skb)->saddr, - &ipv6_hdr(skb)->daddr, t1); - } + if (sk) + key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); + else + key = NULL; #endif - buff->csum = csum_partial((char *)t1, tot_len, 0); - - memset(&fl, 0, sizeof(fl)); - ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr); - ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr); - - t1->check = csum_ipv6_magic(&fl.fl6_src, &fl.fl6_dst, - tot_len, IPPROTO_TCP, - buff->csum); - - fl.proto = IPPROTO_TCP; - fl.oif = inet6_iif(skb); - fl.fl_ip_dport = t1->dest; - fl.fl_ip_sport = t1->source; - security_skb_classify_flow(skb, &fl); + if (th->ack) + seq = ntohl(th->ack_seq); + else + ack_seq = ntohl(th->seq) + th->syn + th->fin + skb->len - + (th->doff << 2); - if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) { - if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) { - ip6_xmit(ctl_sk, buff, &fl, NULL, 0); - TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); - return; - } - } + tcp_v6_send_response(skb, seq, ack_seq, 0, 0, key, 1); +} - kfree_skb(buff); +static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts, + struct tcp_md5sig_key *key) +{ + tcp_v6_send_response(skb, seq, ack, win, ts, key, 0); } static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb) -- GitLab From f24d43c07e208372aa3d3bff419afbf43ba87698 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 9 Oct 2008 14:51:27 -0700 Subject: [PATCH 3330/6244] udp: complete port availability checking While looking at UDP port randomization, I noticed it was litle bit pessimistic, not looking at type of sockets (IPV6/IPV4) and not looking at bound addresses if any. We should perform same tests than when binding to a specific port. This permits a cleanup of udp_lib_get_port() Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/udp.c | 43 +++++++++++++++++++------------------------ 1 file changed, 19 insertions(+), 24 deletions(-) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 67d8430b4a2a..eacf4cfef146 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -122,14 +122,23 @@ EXPORT_SYMBOL(sysctl_udp_wmem_min); atomic_t udp_memory_allocated; EXPORT_SYMBOL(udp_memory_allocated); -static inline int __udp_lib_lport_inuse(struct net *net, __u16 num, - const struct hlist_head udptable[]) +static int udp_lib_lport_inuse(struct net *net, __u16 num, + const struct hlist_head udptable[], + struct sock *sk, + int (*saddr_comp)(const struct sock *sk1, + const struct sock *sk2)) { - struct sock *sk; + struct sock *sk2; struct hlist_node *node; - sk_for_each(sk, node, &udptable[udp_hashfn(net, num)]) - if (net_eq(sock_net(sk), net) && sk->sk_hash == num) + sk_for_each(sk2, node, &udptable[udp_hashfn(net, num)]) + if (net_eq(sock_net(sk2), net) && + sk2 != sk && + sk2->sk_hash == num && + (!sk2->sk_reuse || !sk->sk_reuse) && + (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if + || sk2->sk_bound_dev_if == sk->sk_bound_dev_if) && + (*saddr_comp)(sk, sk2)) return 1; return 0; } @@ -146,9 +155,6 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, const struct sock *sk2 ) ) { struct hlist_head *udptable = sk->sk_prot->h.udp_hash; - struct hlist_node *node; - struct hlist_head *head; - struct sock *sk2; int error = 1; struct net *net = sock_net(sk); @@ -165,32 +171,21 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum, rand = net_random(); snum = first = rand % remaining + low; rand |= 1; - while (__udp_lib_lport_inuse(net, snum, udptable)) { + while (udp_lib_lport_inuse(net, snum, udptable, sk, + saddr_comp)) { do { snum = snum + rand; } while (snum < low || snum > high); if (snum == first) goto fail; } - } else { - head = &udptable[udp_hashfn(net, snum)]; - - sk_for_each(sk2, node, head) - if (sk2->sk_hash == snum && - sk2 != sk && - net_eq(sock_net(sk2), net) && - (!sk2->sk_reuse || !sk->sk_reuse) && - (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if - || sk2->sk_bound_dev_if == sk->sk_bound_dev_if) && - (*saddr_comp)(sk, sk2) ) - goto fail; - } + } else if (udp_lib_lport_inuse(net, snum, udptable, sk, saddr_comp)) + goto fail; inet_sk(sk)->num = snum; sk->sk_hash = snum; if (sk_unhashed(sk)) { - head = &udptable[udp_hashfn(net, snum)]; - sk_add_node(sk, head); + sk_add_node(sk, &udptable[udp_hashfn(net, snum)]); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); } error = 0; -- GitLab From 3fa8749e584b55f1180411ab1b51117190bac1e5 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Thu, 9 Oct 2008 15:13:53 -0700 Subject: [PATCH 3331/6244] Linux 2.6.27 --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index ce9eceb2538e..16e3fbb968a8 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 27 -EXTRAVERSION = -rc9 +EXTRAVERSION = NAME = Rotary Wombat # *DOCUMENTATION* -- GitLab From 13c9821ea49be153ea74e5987cf6955871d7b124 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 9 Oct 2008 16:40:29 -0700 Subject: [PATCH 3332/6244] ppp: Use skb_queue_walk() in ppp_mp_insert(). Instead of open-coded version. Signed-off-by: David S. Miller --- drivers/net/ppp_generic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 5d4d21516a6c..0ca0fcbb7c01 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1863,9 +1863,10 @@ ppp_mp_insert(struct ppp *ppp, struct sk_buff *skb) /* N.B. we don't need to lock the list lock because we have the ppp unit receive-side lock. */ - for (p = list->next; p != (struct sk_buff *)list; p = p->next) + skb_queue_walk(list, p) { if (seq_before(seq, p->sequence)) break; + } __skb_queue_before(list, p, skb); } -- GitLab From e2ed6e4daa6f16f088600d98568cb5730b5238a6 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Tue, 7 Oct 2008 18:26:55 +1100 Subject: [PATCH 3333/6244] powerpc/spufs: set nlink count for spufs root correctly Currently, an empty spufs root inode has nlink count of 1. However, the directory has two links; / -> spu and /spu/ -> . This change increments the link count of the root inode in spufs. Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/inode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 690ca7b0dcf6..0d262b9f94a7 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -755,6 +755,7 @@ spufs_create_root(struct super_block *sb, void *data) inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; SPUFS_I(inode)->i_ctx = NULL; + inc_nlink(inode); ret = -EINVAL; if (!spufs_parse_options(sb, data, inode)) -- GitLab From ba0b996d01eaca4f3cc1f07dcc238fcad7e0d427 Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Thu, 9 Oct 2008 10:39:21 +1100 Subject: [PATCH 3334/6244] powerpc/spufs: use inc_nlink Style change: use inc_nlink instead of incrementing i_nlink directly Signed-off-by: Jeremy Kerr --- arch/powerpc/platforms/cell/spufs/inode.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 0d262b9f94a7..d79ac67c9df1 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -298,8 +298,8 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags, d_instantiate(dentry, inode); dget(dentry); - dir->i_nlink++; - dentry->d_inode->i_nlink++; + inc_nlink(dir); + inc_nlink(dentry->d_inode); goto out; out_free_ctx: @@ -538,8 +538,8 @@ spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode) inode->i_fop = &simple_dir_operations; d_instantiate(dentry, inode); - dir->i_nlink++; - dentry->d_inode->i_nlink++; + inc_nlink(dir); + inc_nlink(dentry->d_inode); return ret; out_iput: -- GitLab From 6747c2ee8abf749e63fee8cd01a9ee293e6a4247 Mon Sep 17 00:00:00 2001 From: Kou Ishizaki Date: Thu, 9 Oct 2008 10:45:49 +1100 Subject: [PATCH 3335/6244] powerpc/spufs: add a missing mutex_unlock A mutex_unlock(&gang->aff_mutex) in spufs_create_context() is missing in case spufs_context_open() fails. As a result, spu_create syscall and spu_get_idle() may block. This patch adds the mutex_unlock. Signed-off-by: Kou Ishizaki Signed-off-by: Jeremy Kerr Acked-by: Andre Detsch --- arch/powerpc/platforms/cell/spufs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index d79ac67c9df1..6b7c7b132454 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -496,6 +496,8 @@ spufs_create_context(struct inode *inode, struct dentry *dentry, ret = spufs_context_open(dget(dentry), mntget(mnt)); if (ret < 0) { WARN_ON(spufs_rmdir(inode, dentry)); + if (affinity) + mutex_unlock(&gang->aff_mutex); mutex_unlock(&inode->i_mutex); spu_forget(SPUFS_I(dentry->d_inode)->i_ctx); goto out; -- GitLab From 300b994b74e75120dd1a48529552a44977e0a82a Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 3 Oct 2008 00:18:52 +0400 Subject: [PATCH 3336/6244] proc: fix return value of proc_reg_open() in "too late" case If ->open() wasn't called, returning 0 is misleading and, theoretically, oopsable: 1) remove_proc_entry clears ->proc_fops, drops lock, 2) ->open "succeeds", 3) ->release oopses, because it assumes ->open was called (single_release()). Signed-off-by: Alexey Dobriyan --- fs/proc/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 8bb03f056c28..c6b4fa7e3b49 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -342,7 +342,7 @@ static int proc_reg_open(struct inode *inode, struct file *file) if (!pde->proc_fops) { spin_unlock(&pde->pde_unload_lock); kfree(pdeo); - return rv; + return -EINVAL; } pde->pde_users++; open = pde->proc_fops->open; -- GitLab From e1675231ceedf83f20943a26e5e346a52163dec8 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 3 Oct 2008 00:23:32 +0400 Subject: [PATCH 3337/6244] proc: proc_sys_root tweak Signed-off-by: Alexey Dobriyan --- fs/proc/proc_sysctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index f9a8b892718f..daa5f51e534f 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -395,10 +395,10 @@ static struct dentry_operations proc_sys_dentry_operations = { .d_compare = proc_sys_compare, }; -static struct proc_dir_entry *proc_sys_root; - int proc_sys_init(void) { + struct proc_dir_entry *proc_sys_root; + proc_sys_root = proc_mkdir("sys", NULL); proc_sys_root->proc_iops = &proc_sys_dir_operations; proc_sys_root->proc_fops = &proc_sys_dir_file_operations; -- GitLab From a04f4de6412a4f0ababf9f665674414f26d4cb6e Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 3 Oct 2008 00:26:49 +0400 Subject: [PATCH 3338/6244] proc: remove dummy vmcore_open() Empty ->open is equivalent to always succeeding ->open. Signed-off-by: Alexey Dobriyan --- fs/proc/vmcore.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 9ac0f5e064e0..841368b87a29 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -165,14 +165,8 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer, return acc; } -static int open_vmcore(struct inode *inode, struct file *filp) -{ - return 0; -} - const struct file_operations proc_vmcore_operations = { .read = read_vmcore, - .open = open_vmcore, }; static struct vmcore* __init get_new_element(void) -- GitLab From a70973c2141f98e2046f7ce9a29774bf254cf70f Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 3 Oct 2008 00:31:19 +0400 Subject: [PATCH 3339/6244] proc: remove unused get_dma_list() Signed-off-by: Alexey Dobriyan --- arch/arm/kernel/dma.c | 17 ----------------- arch/sparc/include/asm/dma_32.h | 1 - fs/proc/proc_misc.c | 1 - 3 files changed, 19 deletions(-) diff --git a/arch/arm/kernel/dma.c b/arch/arm/kernel/dma.c index ba99a2035523..d006085ed7e7 100644 --- a/arch/arm/kernel/dma.c +++ b/arch/arm/kernel/dma.c @@ -25,23 +25,6 @@ EXPORT_SYMBOL(dma_spin_lock); static dma_t dma_chan[MAX_DMA_CHANNELS]; -/* - * Get dma list for /proc/dma - */ -int get_dma_list(char *buf) -{ - dma_t *dma; - char *p = buf; - int i; - - for (i = 0, dma = dma_chan; i < MAX_DMA_CHANNELS; i++, dma++) - if (dma->lock) - p += sprintf(p, "%2d: %14s %s\n", i, - dma->d_ops->type, dma->device_id); - - return p - buf; -} - /* * Request DMA channel * diff --git a/arch/sparc/include/asm/dma_32.h b/arch/sparc/include/asm/dma_32.h index cf7189c0079b..7fa752959b93 100644 --- a/arch/sparc/include/asm/dma_32.h +++ b/arch/sparc/include/asm/dma_32.h @@ -231,7 +231,6 @@ static inline void sparc_dma_pause(struct sparc_dma_registers *regs, #define for_each_dvma(dma) \ for((dma) = dma_chain; (dma); (dma) = (dma)->next) -extern int get_dma_list(char *); extern int request_dma(unsigned int, __const__ char *); extern void free_dma(unsigned int); diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 29e20c6b1f7f..66c1ab87656c 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -68,7 +68,6 @@ extern int get_hardware_list(char *); extern int get_stram_list(char *); extern int get_exec_domain_list(char *); -extern int get_dma_list(char *); static int proc_calc_metrics(char *page, char **start, off_t off, int count, int *eof, int len) -- GitLab From 81324364b76eba592255d4b712e522f9fd8d25f4 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 3 Oct 2008 00:33:54 +0400 Subject: [PATCH 3340/6244] proc: make grab_header() static Signed-off-by: Adrian Bunk Signed-off-by: Alexey Dobriyan --- fs/proc/proc_sysctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index daa5f51e534f..945a81043ba2 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -66,7 +66,7 @@ static struct ctl_table *find_in_table(struct ctl_table *p, struct qstr *name) return NULL; } -struct ctl_table_header *grab_header(struct inode *inode) +static struct ctl_table_header *grab_header(struct inode *inode) { if (PROC_I(inode)->sysctl) return sysctl_head_grab(PROC_I(inode)->sysctl); -- GitLab From 53167a3ef23df561d898dee636f3393e9fba937c Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 3 Oct 2008 02:01:51 +0400 Subject: [PATCH 3341/6244] proc: move PROC_PAGE_MONITOR to fs/proc/Kconfig Signed-off-by: Alexey Dobriyan --- fs/proc/Kconfig | 10 ++++++++++ init/Kconfig | 10 ---------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig index 73cd7a418f06..50f8f0600f06 100644 --- a/fs/proc/Kconfig +++ b/fs/proc/Kconfig @@ -57,3 +57,13 @@ config PROC_SYSCTL As it is generally a good thing, you should say Y here unless building a kernel for install/rescue disks or your system is very limited in memory. + +config PROC_PAGE_MONITOR + default y + depends on PROC_FS && MMU + bool "Enable /proc page monitoring" if EMBEDDED + help + Various /proc files exist to monitor process memory utilization: + /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap, + /proc/kpagecount, and /proc/kpageflags. Disabling these + interfaces will reduce the size of the kernel by approximately 4kb. diff --git a/init/Kconfig b/init/Kconfig index c11da38837e5..8a8e2d00c40e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -779,16 +779,6 @@ config MARKERS source "arch/Kconfig" -config PROC_PAGE_MONITOR - default y - depends on PROC_FS && MMU - bool "Enable /proc page monitoring" if EMBEDDED - help - Various /proc files exist to monitor process memory utilization: - /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap, - /proc/kpagecount, and /proc/kpageflags. Disabling these - interfaces will reduce the size of the kernel by approximately 4kb. - endmenu # General setup config HAVE_GENERIC_DMA_COHERENT -- GitLab From a6bebbc87a8c16eabb6bd5c6fd2d994be0236fba Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Sun, 5 Oct 2008 00:51:15 +0400 Subject: [PATCH 3342/6244] [PATCH] signal, procfs: some lock_task_sighand() users do not need rcu_read_lock() lock_task_sighand() make sure task->sighand is being protected, so we do not need rcu_read_lock(). [ exec() will get task->sighand->siglock before change task->sighand! ] But code using rcu_read_lock() _just_ to protect lock_task_sighand() only appear in procfs. (and some code in procfs use lock_task_sighand() without such redundant protection.) Other subsystem may put lock_task_sighand() into rcu_read_lock() critical region, but these rcu_read_lock() are used for protecting "for_each_process()", "find_task_by_vpid()" etc. , not for protecting lock_task_sighand(). Signed-off-by: Lai Jiangshan [ok from Oleg] Signed-off-by: Alexey Dobriyan --- fs/proc/array.c | 2 -- fs/proc/base.c | 9 +-------- kernel/sched_debug.c | 2 -- 3 files changed, 1 insertion(+), 12 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index 71c9be59c9c2..1c8d7b5d7a14 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -261,7 +261,6 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p) sigemptyset(&ignored); sigemptyset(&caught); - rcu_read_lock(); if (lock_task_sighand(p, &flags)) { pending = p->pending.signal; shpending = p->signal->shared_pending.signal; @@ -272,7 +271,6 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p) qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur; unlock_task_sighand(p, &flags); } - rcu_read_unlock(); seq_printf(m, "Threads:\t%d\n", num_threads); seq_printf(m, "SigQ:\t%lu/%lu\n", qsize, qlim); diff --git a/fs/proc/base.c b/fs/proc/base.c index a28840b11b89..bb63fa1d34a2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -164,7 +164,6 @@ static struct fs_struct *get_fs_struct(struct task_struct *task) static int get_nr_threads(struct task_struct *tsk) { - /* Must be called with the rcu_read_lock held */ unsigned long flags; int count = 0; @@ -471,14 +470,10 @@ static int proc_pid_limits(struct task_struct *task, char *buffer) struct rlimit rlim[RLIM_NLIMITS]; - rcu_read_lock(); - if (!lock_task_sighand(task,&flags)) { - rcu_read_unlock(); + if (!lock_task_sighand(task, &flags)) return 0; - } memcpy(rlim, task->signal->rlim, sizeof(struct rlimit) * RLIM_NLIMITS); unlock_task_sighand(task, &flags); - rcu_read_unlock(); /* * print the file header @@ -3088,9 +3083,7 @@ static int proc_task_getattr(struct vfsmount *mnt, struct dentry *dentry, struct generic_fillattr(inode, stat); if (p) { - rcu_read_lock(); stat->nlink += get_nr_threads(p); - rcu_read_unlock(); put_task_struct(p); } diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index bbe6b31c3c56..ad958c1ec708 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -333,12 +333,10 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m) unsigned long flags; int num_threads = 1; - rcu_read_lock(); if (lock_task_sighand(p, &flags)) { num_threads = atomic_read(&p->signal->count); unlock_task_sighand(p, &flags); } - rcu_read_unlock(); SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads); SEQ_printf(m, -- GitLab From 478307230810d7e2a753ed220db9066dfdf88718 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 6 Oct 2008 03:11:58 +0400 Subject: [PATCH 3343/6244] [PATCH] proc: show personality via /proc/pid/personality Make process personality flags visible in /proc. Since a process's personality is potentially sensitive (e.g. READ_IMPLIES_EXEC), make this file only readable by the process owner. Signed-off-by: Kees Cook Signed-off-by: Alexey Dobriyan --- fs/proc/base.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/proc/base.c b/fs/proc/base.c index bb63fa1d34a2..c1332dd2575d 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2438,6 +2438,13 @@ static int proc_tgid_io_accounting(struct task_struct *task, char *buffer) } #endif /* CONFIG_TASK_IO_ACCOUNTING */ +static int proc_pid_personality(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task) +{ + seq_printf(m, "%08x\n", task->personality); + return 0; +} + /* * Thread groups */ @@ -2454,6 +2461,7 @@ static const struct pid_entry tgid_base_stuff[] = { REG("environ", S_IRUSR, environ), INF("auxv", S_IRUSR, pid_auxv), ONE("status", S_IRUGO, pid_status), + ONE("personality", S_IRUSR, pid_personality), INF("limits", S_IRUSR, pid_limits), #ifdef CONFIG_SCHED_DEBUG REG("sched", S_IRUGO|S_IWUSR, pid_sched), @@ -2789,6 +2797,7 @@ static const struct pid_entry tid_base_stuff[] = { REG("environ", S_IRUSR, environ), INF("auxv", S_IRUSR, pid_auxv), ONE("status", S_IRUGO, pid_status), + ONE("personality", S_IRUSR, pid_personality), INF("limits", S_IRUSR, pid_limits), #ifdef CONFIG_SCHED_DEBUG REG("sched", S_IRUGO|S_IWUSR, pid_sched), -- GitLab From 45acb8db06bad529f0feaf89465ce33152640089 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 7 Oct 2008 01:58:45 +0400 Subject: [PATCH 3344/6244] proc: remove now unneeded ADDBUF macro After local seq_file conversion it was forgotten. Signed-off-by: Alexey Dobriyan --- fs/proc/array.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index 1c8d7b5d7a14..f4bc0e789539 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -86,11 +86,6 @@ #include #include "internal.h" -/* Gcc optimizes away "strlen(x)" for constant x */ -#define ADDBUF(buffer, string) \ -do { memcpy(buffer, string, strlen(string)); \ - buffer += strlen(string); } while (0) - static inline void task_name(struct seq_file *m, struct task_struct *p) { int i; -- GitLab From 3bbfe0596746e1590888a6e1e6a07583265238b7 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 10 Oct 2008 03:27:16 +0400 Subject: [PATCH 3345/6244] proc: remove kernel.maps_protect After commit 831830b5a2b5d413407adf380ef62fe17d6fcbf2 aka "restrict reading from /proc//maps to those who share ->mm or can ptrace" sysctl stopped being relevant because commit moved security checks from ->show time to ->start time (mm_for_maps()). Signed-off-by: Alexey Dobriyan Acked-by: Kees Cook --- Documentation/filesystems/proc.txt | 7 ------- fs/proc/base.c | 3 --- fs/proc/internal.h | 2 -- fs/proc/task_mmu.c | 16 +--------------- fs/proc/task_nommu.c | 5 ----- kernel/sysctl.c | 11 ----------- 6 files changed, 1 insertion(+), 43 deletions(-) diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index f566ad9bcb7b..63ed861d5ca1 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1332,13 +1332,6 @@ determine whether or not they are still functioning properly. Because the NMI watchdog shares registers with oprofile, by disabling the NMI watchdog, oprofile may have more registers to utilize. -maps_protect ------------- - -Enables/Disables the protection of the per-process proc entries "maps" and -"smaps". When enabled, the contents of these files are visible only to -readers that are allowed to ptrace() the given process. - msgmni ------ diff --git a/fs/proc/base.c b/fs/proc/base.c index c1332dd2575d..b5918ae8ca79 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -148,9 +148,6 @@ static unsigned int pid_entry_count_dirs(const struct pid_entry *entries, return count; } -int maps_protect; -EXPORT_SYMBOL(maps_protect); - static struct fs_struct *get_fs_struct(struct task_struct *task) { struct fs_struct *fs; diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 442202314d53..3bfb7b8747b3 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -45,8 +45,6 @@ do { \ extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); #endif -extern int maps_protect; - extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task); extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns, diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 73d1891ee625..4806830ea2a1 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -210,9 +210,6 @@ static int show_map(struct seq_file *m, void *v) dev_t dev = 0; int len; - if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ)) - return -EACCES; - if (file) { struct inode *inode = vma->vm_file->f_path.dentry->d_inode; dev = inode->i_sb->s_dev; @@ -742,22 +739,11 @@ const struct file_operations proc_pagemap_operations = { #ifdef CONFIG_NUMA extern int show_numa_map(struct seq_file *m, void *v); -static int show_numa_map_checked(struct seq_file *m, void *v) -{ - struct proc_maps_private *priv = m->private; - struct task_struct *task = priv->task; - - if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ)) - return -EACCES; - - return show_numa_map(m, v); -} - static const struct seq_operations proc_pid_numa_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, - .show = show_numa_map_checked + .show = show_numa_map, }; static int numa_maps_open(struct inode *inode, struct file *file) diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 5d84e7121df8..219bd79ea894 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -110,11 +110,6 @@ int task_statm(struct mm_struct *mm, int *shared, int *text, static int show_map(struct seq_file *m, void *_vml) { struct vm_list_struct *vml = _vml; - struct proc_maps_private *priv = m->private; - struct task_struct *task = priv->task; - - if (maps_protect && !ptrace_may_access(task, PTRACE_MODE_READ)) - return -EACCES; return nommu_vma_show(m, vml->vma); } diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 50ec0886fa3d..cc3e0d7a5acf 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -80,7 +80,6 @@ extern int pid_max_min, pid_max_max; extern int sysctl_drop_caches; extern int percpu_pagelist_fraction; extern int compat_log; -extern int maps_protect; extern int latencytop_enabled; extern int sysctl_nr_open_min, sysctl_nr_open_max; #ifdef CONFIG_RCU_TORTURE_TEST @@ -809,16 +808,6 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, -#endif -#ifdef CONFIG_PROC_FS - { - .ctl_name = CTL_UNNUMBERED, - .procname = "maps_protect", - .data = &maps_protect, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = &proc_dointvec, - }, #endif { .ctl_name = CTL_UNNUMBERED, -- GitLab From fbcffcc6a0536544fa53cd5bd5c4913efe1a5982 Mon Sep 17 00:00:00 2001 From: Chien Tung Date: Thu, 9 Oct 2008 17:41:05 -0700 Subject: [PATCH 3346/6244] RDMA/nes: Fix slab corruption Referencing cm_node after it is freed via rem_ref_cm_node() causes a slab corruption. There is no need to set cm_node->cm_id to NULL in mini_cm_close(). Signed-off-by: Chien Tung Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index d69226d7102e..2caf9da81ad5 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -2029,7 +2029,6 @@ static int mini_cm_close(struct nes_cm_core *cm_core, struct nes_cm_node *cm_nod ret = rem_ref_cm_node(cm_core, cm_node); break; } - cm_node->cm_id = NULL; return ret; } -- GitLab From bb21c95e2d3325fcb53c591686dbbf4068a165bc Mon Sep 17 00:00:00 2001 From: Guo-Fu Tseng Date: Thu, 9 Oct 2008 21:10:36 -0700 Subject: [PATCH 3347/6244] nf_conntrack_ecache.h: Fix missing braces This patch add missing braces of today's net-next-2.6: include/net/netfilter/nf_conntrack_ecache.h Signed-off-by: Guo-Fu Tseng Signed-off-by: David S. Miller --- include/net/netfilter/nf_conntrack_ecache.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h index 35f814c1e2ca..11480e633a9f 100644 --- a/include/net/netfilter/nf_conntrack_ecache.h +++ b/include/net/netfilter/nf_conntrack_ecache.h @@ -74,6 +74,7 @@ static inline void nf_ct_event_cache_flush(struct net *net) {} static inline int nf_conntrack_ecache_init(struct net *net) { return 0; +} static inline void nf_conntrack_ecache_fini(struct net *net) { -- GitLab From fa3e5b4eb8261ae6ee27922881093db973e9d640 Mon Sep 17 00:00:00 2001 From: Guo-Fu Tseng Date: Thu, 9 Oct 2008 21:11:56 -0700 Subject: [PATCH 3348/6244] tcpv6: fix error with CONFIG_TCP_MD5SIG disabled This patch fix error with CONFIG_TCP_MD5SIG disabled. Signed-off-by: Guo-Fu Tseng Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 13c65144a00a..e5310c9b84dc 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1036,9 +1036,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) { struct tcphdr *th = tcp_hdr(skb); u32 seq = 0, ack_seq = 0; -#ifdef CONFIG_TCP_MD5SIG - struct tcp_md5sig_key *key; -#endif + struct tcp_md5sig_key *key = NULL; if (th->rst) return; @@ -1049,8 +1047,6 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb) #ifdef CONFIG_TCP_MD5SIG if (sk) key = tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr); - else - key = NULL; #endif if (th->ack) -- GitLab From 9fd3f88cb67ac51bd5face8441472b91e042be67 Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Wed, 1 Oct 2008 09:44:02 +0000 Subject: [PATCH 3349/6244] powerpc: Oops in pseries_lmb_remove() Testing hotplug memory remove has revealed that we can oops in pseries_lmb_remove(). The incorrect shift causes a NULL pointer dereference in the page_zone() inline routine. I have only been able to reproduce the oops on kernels with large pages enabled. Tested on Power5 and Power6 with and without large pages enabled. Signed-off-by: Nathan Fontenot Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/hotplug-memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index a1a368dd2d99..140d02a5232a 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -21,7 +21,7 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size) struct zone *zone; int ret; - start_pfn = base >> PFN_SECTION_SHIFT; + start_pfn = base >> PAGE_SHIFT; zone = page_zone(pfn_to_page(start_pfn)); /* -- GitLab From 4538d0ca71b4f8991c4c0f433d7d17805738326e Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Mon, 6 Oct 2008 07:26:54 +0000 Subject: [PATCH 3350/6244] powerpc: Fix no interrupt handling in pata_of_platform When no interrupt is specified the pata_of_platform fills the irq_res resource with -1, which is wrong to do for two reasons: 1. By definition, 'no irq' should be IRQ 0, not some negative integer; 2. pata_platform checks for irq_res.start > 0, but since irq_res.start is unsigned type, the check will be true for `-1'. Reported-by: Steven A. Falco Signed-off-by: Anton Vorontsov Signed-off-by: Benjamin Herrenschmidt --- drivers/ata/pata_of_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c index 408da30594c4..1f18ad9e4fe1 100644 --- a/drivers/ata/pata_of_platform.c +++ b/drivers/ata/pata_of_platform.c @@ -52,7 +52,7 @@ static int __devinit pata_of_platform_probe(struct of_device *ofdev, ret = of_irq_to_resource(dn, 0, &irq_res); if (ret == NO_IRQ) - irq_res.start = irq_res.end = -1; + irq_res.start = irq_res.end = 0; else irq_res.flags = 0; -- GitLab From 99c840668c23fa81ac642598c792926021329747 Mon Sep 17 00:00:00 2001 From: Roel Kluin <12o3l@tiscali.nl> Date: Mon, 6 Oct 2008 22:38:33 +0000 Subject: [PATCH 3351/6244] powerpc/cell/oprofile: Fix test on overlay_tbl_offset in vma_map Offset is unsigned and when an address isn't found in the vma map vma_map_lookup() returns the vma physical address + 0x10000000. vma_map_lookup used to return 0xffffffff on a failed lookup, but a change was made to return the vma physical address + 0x10000000 There are two callers of vam_map_lookup: one of them correctly deals with this new return value, but the other (below) did not. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Acked-by: Maynard Johnson Signed-off-by: Arnd Bergmann Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/oprofile/cell/vma_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/oprofile/cell/vma_map.c b/arch/powerpc/oprofile/cell/vma_map.c index fff66662d021..258fa4411e9e 100644 --- a/arch/powerpc/oprofile/cell/vma_map.c +++ b/arch/powerpc/oprofile/cell/vma_map.c @@ -229,7 +229,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu, */ overlay_tbl_offset = vma_map_lookup(map, ovly_table_sym, aSpu, &grd_val); - if (overlay_tbl_offset < 0) { + if (overlay_tbl_offset > 0x10000000) { printk(KERN_ERR "SPU_PROF: " "%s, line %d: Error finding SPU overlay table\n", __func__, __LINE__); -- GitLab From 41c2e949cb7b80c5a6247c7df97759953b0f71b5 Mon Sep 17 00:00:00 2001 From: Josh Poimboeuf Date: Tue, 7 Oct 2008 06:10:03 +0000 Subject: [PATCH 3352/6244] powerpc: Fix error path in kernel_thread function The powerpc 32-bit and 64-bit kernel_thread functions don't properly propagate errors being returned by the clone syscall. (In the case of error, the syscall exit code returns a positive errno in r3 and sets the CR0[SO] bit.) This patch fixes that by negating r3 if CR0[SO] is set after the syscall. Signed-off-by: Josh Poimboeuf Signed-off-by: Josh Boyer Acked-by: Paul Mackerras Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/misc_32.S | 8 +++++--- arch/powerpc/kernel/misc_64.S | 8 +++++--- 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index e9c8ab6eabfe..6a9b4bf0d173 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -900,8 +900,10 @@ _GLOBAL(kernel_thread) li r4,0 /* new sp (unused) */ li r0,__NR_clone sc - cmpwi 0,r3,0 /* parent or child? */ - bne 1f /* return if parent */ + bns+ 1f /* did system call indicate error? */ + neg r3,r3 /* if so, make return code negative */ +1: cmpwi 0,r3,0 /* parent or child? */ + bne 2f /* return if parent */ li r0,0 /* make top-level stack frame */ stwu r0,-16(r1) mtlr r30 /* fn addr in lr */ @@ -911,7 +913,7 @@ _GLOBAL(kernel_thread) li r0,__NR_exit /* exit if function returns */ li r3,0 sc -1: lwz r30,8(r1) +2: lwz r30,8(r1) lwz r31,12(r1) addi r1,r1,16 blr diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 4dd70cf7bb4e..3053fe5c62f2 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -426,8 +426,10 @@ _GLOBAL(kernel_thread) li r4,0 /* new sp (unused) */ li r0,__NR_clone sc - cmpdi 0,r3,0 /* parent or child? */ - bne 1f /* return if parent */ + bns+ 1f /* did system call indicate error? */ + neg r3,r3 /* if so, make return code negative */ +1: cmpdi 0,r3,0 /* parent or child? */ + bne 2f /* return if parent */ li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) ld r2,8(r29) @@ -438,7 +440,7 @@ _GLOBAL(kernel_thread) li r0,__NR_exit /* exit after child exits */ li r3,0 sc -1: addi r1,r1,STACK_FRAME_OVERHEAD +2: addi r1,r1,STACK_FRAME_OVERHEAD ld r29,-24(r1) ld r30,-16(r1) blr -- GitLab From 58f467ce1476f5b2a347cee3a32275b737fbd667 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Wed, 8 Oct 2008 05:05:29 +0000 Subject: [PATCH 3353/6244] powerpc/of-bindings: Don't support linux, "compatible" values Compatible property values in the form linux, is not documented anywhere and using it leaks Linux implementation details into the device tree data (which is bad). Remove support for compatible values of this form. If any platforms exist which depended on this code (and I don't know of any), then they can be fixed up by adding legacy translations to the lookup table in this file. Signed-off-by: Grant Likely Signed-off-by: Benjamin Herrenschmidt --- drivers/of/base.c | 25 +++++-------------------- 1 file changed, 5 insertions(+), 20 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index ad8ac1a8af28..cd1ce7ab8517 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -420,13 +420,12 @@ static struct of_modalias_table of_modalias_table[] = { * @len: Length of modalias value * * Based on the value of the compatible property, this routine will determine - * an appropriate modalias value for a particular device tree node. Three - * separate methods are used to derive a modalias value. + * an appropriate modalias value for a particular device tree node. Two + * separate methods are attempted to derive a modalias value. * * First method is to lookup the compatible value in of_modalias_table. - * Second is to look for a "linux," entry in the compatible list - * and used that for modalias. Third is to strip off the manufacturer - * prefix from the first compatible entry and use the remainder as modalias + * Second is to strip off the manufacturer prefix from the first + * compatible entry and use the remainder as modalias * * This routine returns 0 on success */ @@ -449,21 +448,7 @@ int of_modalias_node(struct device_node *node, char *modalias, int len) if (!compatible) return -ENODEV; - /* 2. search for linux, entry */ - p = compatible; - while (cplen > 0) { - if (!strncmp(p, "linux,", 6)) { - p += 6; - strlcpy(modalias, p, len); - return 0; - } - - i = strlen(p) + 1; - p += i; - cplen -= i; - } - - /* 3. take first compatible entry and strip manufacturer */ + /* 2. take first compatible entry and strip manufacturer */ p = strchr(compatible, ','); if (!p) return -ENODEV; -- GitLab From 91a00302959545a9ae423e99732b1e46eb19e877 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Wed, 8 Oct 2008 14:03:29 +0000 Subject: [PATCH 3354/6244] powerpc: Sync RPA note in zImage with kernel's RPA note Commit 9b09c6d909dfd8de96b99b9b9c808b94b0a71614 ("powerpc: Change the default link address for pSeries zImage kernels") changed the real-base value in the CHRP note added by the addnote program from 12MB to 32MB to give more space for Open Firmware to load the zImage. (The real-base value says where we want OF to position itself in memory.) However, this change was ineffective on most pSeries machines, because the RPA note added by addnote has the "ignore me" flag set to 1. This was intended to tell OF to ignore just the RPA note, but has the side effect of also making OF ignore the CHRP note (at least on most pSeries machines). To solve this we have to set the "ignore me" flag to 0 in the RPA note. (We can't just omit the RPA note because that is equivalent to having an RPA note with default values, and the default values are not what we want.) However, then we have to make sure the values in the zImage's RPA note match up with the values that the kernel supplies later in prom_init.c with either the ibm,client-architecture-support call or the process-elf-header call in prom_send_capabilities(). So this sets the "ignore me" flag in the RPA note in addnote to 0, and adjusts the RPA note values in addnote.c and in prom_init.c to be consistent with each other and with the values in ibm_architecture_vec. However, since the wrapper is independent of the kernel, this doesn't ensure that the notes will stay consistent. To ensure that, this adds code to addnote.c so that it can extract the kernel's RPA note from the kernel binary and put that in the zImage. To that end, we put the kernel's fake ELF header (which contains the kernel's RPA note) into its own section, and arrange for wrapper to pull out that section with objcopy and pass it to addnote, which then extracts the RPA note from it and transfers it to the zImage. Signed-off-by: Paul Mackerras Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/boot/addnote.c | 144 ++++++++++++++++++++++-------- arch/powerpc/boot/wrapper | 4 +- arch/powerpc/kernel/prom_init.c | 10 +-- arch/powerpc/kernel/vmlinux.lds.S | 3 + 4 files changed, 119 insertions(+), 42 deletions(-) diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c index b1e5611b2ab1..dcc9ab2ca823 100644 --- a/arch/powerpc/boot/addnote.c +++ b/arch/powerpc/boot/addnote.c @@ -11,7 +11,12 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * - * Usage: addnote zImage + * Usage: addnote zImage [note.elf] + * + * If note.elf is supplied, it is the name of an ELF file that contains + * an RPA note to use instead of the built-in one. Alternatively, the + * note.elf file may be empty, in which case the built-in RPA note is + * used (this is to simplify how this is invoked from the wrapper script). */ #include #include @@ -43,27 +48,29 @@ char rpaname[] = "IBM,RPA-Client-Config"; */ #define N_RPA_DESCR 8 unsigned int rpanote[N_RPA_DESCR] = { - 0, /* lparaffinity */ - 64, /* min_rmo_size */ + 1, /* lparaffinity */ + 128, /* min_rmo_size */ 0, /* min_rmo_percent */ - 40, /* max_pft_size */ + 46, /* max_pft_size */ 1, /* splpar */ -1, /* min_load */ - 0, /* new_mem_def */ - 1, /* ignore_my_client_config */ + 1, /* new_mem_def */ + 0, /* ignore_my_client_config */ }; #define ROUNDUP(len) (((len) + 3) & ~3) unsigned char buf[512]; +unsigned char notebuf[512]; -#define GET_16BE(off) ((buf[off] << 8) + (buf[(off)+1])) -#define GET_32BE(off) ((GET_16BE(off) << 16) + GET_16BE((off)+2)) +#define GET_16BE(b, off) (((b)[off] << 8) + ((b)[(off)+1])) +#define GET_32BE(b, off) ((GET_16BE((b), (off)) << 16) + \ + GET_16BE((b), (off)+2)) -#define PUT_16BE(off, v) (buf[off] = ((v) >> 8) & 0xff, \ - buf[(off) + 1] = (v) & 0xff) -#define PUT_32BE(off, v) (PUT_16BE((off), (v) >> 16), \ - PUT_16BE((off) + 2, (v))) +#define PUT_16BE(b, off, v) ((b)[off] = ((v) >> 8) & 0xff, \ + (b)[(off) + 1] = (v) & 0xff) +#define PUT_32BE(b, off, v) (PUT_16BE((b), (off), (v) >> 16), \ + PUT_16BE((b), (off) + 2, (v))) /* Structure of an ELF file */ #define E_IDENT 0 /* ELF header */ @@ -88,15 +95,71 @@ unsigned char buf[512]; unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' }; +unsigned char *read_rpanote(const char *fname, int *nnp) +{ + int notefd, nr, i; + int ph, ps, np; + int note, notesize; + + notefd = open(fname, O_RDONLY); + if (notefd < 0) { + perror(fname); + exit(1); + } + nr = read(notefd, notebuf, sizeof(notebuf)); + if (nr < 0) { + perror("read note"); + exit(1); + } + if (nr == 0) /* empty file */ + return NULL; + if (nr < E_HSIZE || + memcmp(¬ebuf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0 || + notebuf[E_IDENT+EI_CLASS] != ELFCLASS32 || + notebuf[E_IDENT+EI_DATA] != ELFDATA2MSB) + goto notelf; + close(notefd); + + /* now look for the RPA-note */ + ph = GET_32BE(notebuf, E_PHOFF); + ps = GET_16BE(notebuf, E_PHENTSIZE); + np = GET_16BE(notebuf, E_PHNUM); + if (ph < E_HSIZE || ps < PH_HSIZE || np < 1) + goto notelf; + + for (i = 0; i < np; ++i, ph += ps) { + if (GET_32BE(notebuf, ph + PH_TYPE) != PT_NOTE) + continue; + note = GET_32BE(notebuf, ph + PH_OFFSET); + notesize = GET_32BE(notebuf, ph + PH_FILESZ); + if (notesize < 34 || note + notesize > nr) + continue; + if (GET_32BE(notebuf, note) != strlen(rpaname) + 1 || + GET_32BE(notebuf, note + 8) != 0x12759999 || + strcmp((char *)¬ebuf[note + 12], rpaname) != 0) + continue; + /* looks like an RPA note, return it */ + *nnp = notesize; + return ¬ebuf[note]; + } + /* no RPA note found */ + return NULL; + + notelf: + fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n", fname); + exit(1); +} + int main(int ac, char **av) { int fd, n, i; int ph, ps, np; int nnote, nnote2, ns; + unsigned char *rpap; - if (ac != 2) { - fprintf(stderr, "Usage: %s elf-file\n", av[0]); + if (ac != 2 && ac != 3) { + fprintf(stderr, "Usage: %s elf-file [rpanote.elf]\n", av[0]); exit(1); } fd = open(av[1], O_RDWR); @@ -107,6 +170,7 @@ main(int ac, char **av) nnote = 12 + ROUNDUP(strlen(arch) + 1) + sizeof(descr); nnote2 = 12 + ROUNDUP(strlen(rpaname) + 1) + sizeof(rpanote); + rpap = NULL; n = read(fd, buf, sizeof(buf)); if (n < 0) { @@ -124,16 +188,19 @@ main(int ac, char **av) exit(1); } - ph = GET_32BE(E_PHOFF); - ps = GET_16BE(E_PHENTSIZE); - np = GET_16BE(E_PHNUM); + if (ac == 3) + rpap = read_rpanote(av[2], &nnote2); + + ph = GET_32BE(buf, E_PHOFF); + ps = GET_16BE(buf, E_PHENTSIZE); + np = GET_16BE(buf, E_PHNUM); if (ph < E_HSIZE || ps < PH_HSIZE || np < 1) goto notelf; if (ph + (np + 2) * ps + nnote + nnote2 > n) goto nospace; for (i = 0; i < np; ++i) { - if (GET_32BE(ph + PH_TYPE) == PT_NOTE) { + if (GET_32BE(buf, ph + PH_TYPE) == PT_NOTE) { fprintf(stderr, "%s already has a note entry\n", av[1]); exit(0); @@ -148,37 +215,42 @@ main(int ac, char **av) /* fill in the program header entry */ ns = ph + 2 * ps; - PUT_32BE(ph + PH_TYPE, PT_NOTE); - PUT_32BE(ph + PH_OFFSET, ns); - PUT_32BE(ph + PH_FILESZ, nnote); + PUT_32BE(buf, ph + PH_TYPE, PT_NOTE); + PUT_32BE(buf, ph + PH_OFFSET, ns); + PUT_32BE(buf, ph + PH_FILESZ, nnote); /* fill in the note area we point to */ /* XXX we should probably make this a proper section */ - PUT_32BE(ns, strlen(arch) + 1); - PUT_32BE(ns + 4, N_DESCR * 4); - PUT_32BE(ns + 8, 0x1275); + PUT_32BE(buf, ns, strlen(arch) + 1); + PUT_32BE(buf, ns + 4, N_DESCR * 4); + PUT_32BE(buf, ns + 8, 0x1275); strcpy((char *) &buf[ns + 12], arch); ns += 12 + strlen(arch) + 1; for (i = 0; i < N_DESCR; ++i, ns += 4) - PUT_32BE(ns, descr[i]); + PUT_32BE(buf, ns, descr[i]); /* fill in the second program header entry and the RPA note area */ ph += ps; - PUT_32BE(ph + PH_TYPE, PT_NOTE); - PUT_32BE(ph + PH_OFFSET, ns); - PUT_32BE(ph + PH_FILESZ, nnote2); + PUT_32BE(buf, ph + PH_TYPE, PT_NOTE); + PUT_32BE(buf, ph + PH_OFFSET, ns); + PUT_32BE(buf, ph + PH_FILESZ, nnote2); /* fill in the note area we point to */ - PUT_32BE(ns, strlen(rpaname) + 1); - PUT_32BE(ns + 4, sizeof(rpanote)); - PUT_32BE(ns + 8, 0x12759999); - strcpy((char *) &buf[ns + 12], rpaname); - ns += 12 + ROUNDUP(strlen(rpaname) + 1); - for (i = 0; i < N_RPA_DESCR; ++i, ns += 4) - PUT_32BE(ns, rpanote[i]); + if (rpap) { + /* RPA note supplied in file, just copy the whole thing over */ + memcpy(buf + ns, rpap, nnote2); + } else { + PUT_32BE(buf, ns, strlen(rpaname) + 1); + PUT_32BE(buf, ns + 4, sizeof(rpanote)); + PUT_32BE(buf, ns + 8, 0x12759999); + strcpy((char *) &buf[ns + 12], rpaname); + ns += 12 + ROUNDUP(strlen(rpaname) + 1); + for (i = 0; i < N_RPA_DESCR; ++i, ns += 4) + PUT_32BE(buf, ns, rpanote[i]); + } /* Update the number of program headers */ - PUT_16BE(E_PHNUM, np + 2); + PUT_16BE(buf, E_PHNUM, np + 2); /* write back */ lseek(fd, (long) 0, SEEK_SET); diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 965c237c122d..ee0dc41d7c56 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -307,7 +307,9 @@ fi # post-processing needed for some platforms case "$platform" in pseries|chrp) - $objbin/addnote "$ofile" + ${CROSS}objcopy -O binary -j .fakeelf "$kernel" "$ofile".rpanote + $objbin/addnote "$ofile" "$ofile".rpanote + rm -r "$ofile".rpanote ;; coff) ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile" diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 7cf274a2b334..2fdbc18ae94a 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -732,7 +732,7 @@ static struct fake_elf { u32 ignore_me; } rpadesc; } rpanote; -} fake_elf = { +} fake_elf __section(.fakeelf) = { .elfhdr = { .e_ident = { 0x7f, 'E', 'L', 'F', ELFCLASS32, ELFDATA2MSB, EV_CURRENT }, @@ -774,13 +774,13 @@ static struct fake_elf { .type = 0x12759999, .name = "IBM,RPA-Client-Config", .rpadesc = { - .lpar_affinity = 0, - .min_rmo_size = 64, /* in megabytes */ + .lpar_affinity = 1, + .min_rmo_size = 128, /* in megabytes */ .min_rmo_percent = 0, - .max_pft_size = 48, /* 2^48 bytes max PFT size */ + .max_pft_size = 46, /* 2^46 bytes max PFT size */ .splpar = 1, .min_load = ~0U, - .new_mem_def = 0 + .new_mem_def = 1 } } }; diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index e6927fb2e655..b39c27ed7919 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -203,6 +203,9 @@ SECTIONS *(.rela*) } + /* Fake ELF header containing RPA note; for addnote */ + .fakeelf : AT(ADDR(.fakeelf) - LOAD_OFFSET) { *(.fakeelf) } + /* freed after init ends here */ . = ALIGN(PAGE_SIZE); __init_end = .; -- GitLab From 8f64e1f2d1e09267ac926e15090fd505c1c0cbcb Mon Sep 17 00:00:00 2001 From: Jon Tollefson Date: Thu, 9 Oct 2008 10:18:40 +0000 Subject: [PATCH 3355/6244] powerpc: Reserve in bootmem lmb reserved regions that cross NUMA nodes If there are multiple reserved memory blocks via lmb_reserve() that are contiguous addresses and on different NUMA nodes we are losing track of which address ranges to reserve in bootmem on which node. I discovered this when I recently got to try 16GB huge pages on a system with more then 2 nodes. When scanning the device tree in early boot we call lmb_reserve() with the addresses of the 16G pages that we find so that the memory doesn't get used for something else. For example the addresses for the pages could be 4000000000, 4400000000, 4800000000, 4C00000000, etc - 8 pages, one on each of eight nodes. In the lmb after all the pages have been reserved it will look something like the following: lmb_dump_all: memory.cnt = 0x2 memory.size = 0x3e80000000 memory.region[0x0].base = 0x0 .size = 0x1e80000000 memory.region[0x1].base = 0x4000000000 .size = 0x2000000000 reserved.cnt = 0x5 reserved.size = 0x3e80000000 reserved.region[0x0].base = 0x0 .size = 0x7b5000 reserved.region[0x1].base = 0x2a00000 .size = 0x78c000 reserved.region[0x2].base = 0x328c000 .size = 0x43000 reserved.region[0x3].base = 0xf4e8000 .size = 0xb18000 reserved.region[0x4].base = 0x4000000000 .size = 0x2000000000 The reserved.region[0x4] contains the 16G pages. In arch/powerpc/mm/num.c: do_init_bootmem() we loop through each of the node numbers looking for the reserved regions that belong to the particular node. It is not able to identify region 0x4 as being a part of each of the 8 nodes. It is assuming that a reserved region is only on a single node. This patch takes out the reserved region loop from inside the loop that goes over each node. It looks up the active region containing the start of the reserved region. If it extends past that active region then it adjusts the size and gets the next active region containing it. Signed-off-by: Jon Tollefson Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/mm/numa.c | 108 ++++++++++++++++++++++++++++++----------- 1 file changed, 80 insertions(+), 28 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index be05457631d4..6cf5c71c431f 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -89,6 +89,46 @@ static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn, return 0; } +/* + * get_active_region_work_fn - A helper function for get_node_active_region + * Returns datax set to the start_pfn and end_pfn if they contain + * the initial value of datax->start_pfn between them + * @start_pfn: start page(inclusive) of region to check + * @end_pfn: end page(exclusive) of region to check + * @datax: comes in with ->start_pfn set to value to search for and + * goes out with active range if it contains it + * Returns 1 if search value is in range else 0 + */ +static int __init get_active_region_work_fn(unsigned long start_pfn, + unsigned long end_pfn, void *datax) +{ + struct node_active_region *data; + data = (struct node_active_region *)datax; + + if (start_pfn <= data->start_pfn && end_pfn > data->start_pfn) { + data->start_pfn = start_pfn; + data->end_pfn = end_pfn; + return 1; + } + return 0; + +} + +/* + * get_node_active_region - Return active region containing start_pfn + * @start_pfn: The page to return the region for. + * @node_ar: Returned set to the active region containing start_pfn + */ +static void __init get_node_active_region(unsigned long start_pfn, + struct node_active_region *node_ar) +{ + int nid = early_pfn_to_nid(start_pfn); + + node_ar->nid = nid; + node_ar->start_pfn = start_pfn; + work_with_active_regions(nid, get_active_region_work_fn, node_ar); +} + static void __cpuinit map_cpu_to_node(int cpu, int node) { numa_cpu_lookup_table[cpu] = node; @@ -882,38 +922,50 @@ void __init do_init_bootmem(void) start_pfn, end_pfn); free_bootmem_with_active_regions(nid, end_pfn); + } - /* Mark reserved regions on this node */ - for (i = 0; i < lmb.reserved.cnt; i++) { - unsigned long physbase = lmb.reserved.region[i].base; - unsigned long size = lmb.reserved.region[i].size; - unsigned long start_paddr = start_pfn << PAGE_SHIFT; - unsigned long end_paddr = end_pfn << PAGE_SHIFT; - - if (early_pfn_to_nid(physbase >> PAGE_SHIFT) != nid && - early_pfn_to_nid((physbase+size-1) >> PAGE_SHIFT) != nid) - continue; - - if (physbase < end_paddr && - (physbase+size) > start_paddr) { - /* overlaps */ - if (physbase < start_paddr) { - size -= start_paddr - physbase; - physbase = start_paddr; - } - - if (size > end_paddr - physbase) - size = end_paddr - physbase; - - dbg("reserve_bootmem %lx %lx\n", physbase, - size); - reserve_bootmem_node(NODE_DATA(nid), physbase, - size, BOOTMEM_DEFAULT); - } + /* Mark reserved regions */ + for (i = 0; i < lmb.reserved.cnt; i++) { + unsigned long physbase = lmb.reserved.region[i].base; + unsigned long size = lmb.reserved.region[i].size; + unsigned long start_pfn = physbase >> PAGE_SHIFT; + unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT); + struct node_active_region node_ar; + + get_node_active_region(start_pfn, &node_ar); + while (start_pfn < end_pfn) { + /* + * if reserved region extends past active region + * then trim size to active region + */ + if (end_pfn > node_ar.end_pfn) + size = (node_ar.end_pfn << PAGE_SHIFT) + - (start_pfn << PAGE_SHIFT); + dbg("reserve_bootmem %lx %lx nid=%d\n", physbase, size, + node_ar.nid); + reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase, + size, BOOTMEM_DEFAULT); + /* + * if reserved region is contained in the active region + * then done. + */ + if (end_pfn <= node_ar.end_pfn) + break; + + /* + * reserved region extends past the active region + * get next active region that contains this + * reserved region + */ + start_pfn = node_ar.end_pfn; + physbase = start_pfn << PAGE_SHIFT; + get_node_active_region(start_pfn, &node_ar); } - sparse_memory_present_with_active_regions(nid); } + + for_each_online_node(nid) + sparse_memory_present_with_active_regions(nid); } void __init paging_init(void) -- GitLab From 55ed31e62d18094337319b942b38cfc00360444b Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 9 Oct 2008 22:13:53 -0700 Subject: [PATCH 3356/6244] enic: Attempt to fix build in 32-bit such as i386. Such platforms lack readq/writeq but this driver want to call them. Noticed by Andrew Morton. Signed-off-by: David S. Miller --- drivers/net/enic/vnic_dev.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h index 2dcffd3a24bd..b9dc1821c805 100644 --- a/drivers/net/enic/vnic_dev.h +++ b/drivers/net/enic/vnic_dev.h @@ -27,6 +27,20 @@ #define VNIC_PADDR_TARGET 0x0000000000000000ULL #endif +#ifndef readq +static inline u64 readq(void __iomem *reg) +{ + return (((u64)readl(reg + 0x4UL) << 32) | + (u64)readl(reg)); +} + +static inline void writeq(u64 val, void __iomem *reg) +{ + writel(val & 0xffffffff, reg); + writel(val >> 32, reg + 0x4UL); +} +#endif + enum vnic_dev_intr_mode { VNIC_DEV_INTR_MODE_UNKNOWN, VNIC_DEV_INTR_MODE_INTX, -- GitLab From b911e473d24633c19414b54b82b9ff0b1a2419d7 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Fri, 10 Oct 2008 08:22:44 +0200 Subject: [PATCH 3357/6244] doc/cdrom: Trvial documentation error, file not present The sbpcd tester program is not included in the kernel source tree, so remove the reference to it. Signed-off-by: Randy Dunlap Reported-by: Nick Warne Signed-off-by: Jens Axboe --- Documentation/cdrom/ide-cd | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/cdrom/ide-cd b/Documentation/cdrom/ide-cd index 91c0dcc6fa5c..2c558cd6c1ef 100644 --- a/Documentation/cdrom/ide-cd +++ b/Documentation/cdrom/ide-cd @@ -145,8 +145,7 @@ useful for reading photocds. To play an audio CD, you should first unmount and remove any data CDROM. Any of the CDROM player programs should then work (workman, -workbone, cdplayer, etc.). Lacking anything else, you could use the -cdtester program in Documentation/cdrom/sbpcd. +workbone, cdplayer, etc.). On a few drives, you can read digital audio directly using a program such as cdda2wav. The only types of drive which I've heard support -- GitLab From 95ebffd749c8e6c8cbb746bc0833a5738cc23321 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Thu, 18 Sep 2008 20:50:26 +0400 Subject: [PATCH 3358/6244] [MTD] [NAND] fsl_upm: update driver for the new OF bindings - Get rid of fsl,wait-pattern and fsl,wait-write. I think this isn't chip-specific, and we should always do waits. I saw one board that didn't need fsl,wait-pattern, but I assume this was the exception that proves the rule; - Get rid of chip-delay. Today there are no users for this, and if anyone really need this they should push the OF bindings beforehand; - Now flash chips should be child nodes of the FSL UPM NAND controller; - Implement OF partition parsing. Signed-off-by: Anton Vorontsov Signed-off-by: David Woodhouse --- drivers/mtd/nand/fsl_upm.c | 57 ++++++++++++++++++++++---------------- 1 file changed, 33 insertions(+), 24 deletions(-) diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 1ebfd87f00b4..3af5ef399a0f 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -36,9 +36,6 @@ struct fsl_upm_nand { uint8_t upm_cmd_offset; void __iomem *io_base; int rnb_gpio; - const uint32_t *wait_pattern; - const uint32_t *wait_write; - int chip_delay; }; #define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd) @@ -89,8 +86,7 @@ static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) fsl_upm_run_pattern(&fun->upm, fun->io_base, cmd); - if (fun->wait_pattern) - fun_wait_rnb(fun); + fun_wait_rnb(fun); } static uint8_t fun_read_byte(struct mtd_info *mtd) @@ -116,14 +112,16 @@ static void fun_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) for (i = 0; i < len; i++) { out_8(fun->chip.IO_ADDR_W, buf[i]); - if (fun->wait_write) - fun_wait_rnb(fun); + fun_wait_rnb(fun); } } -static int __devinit fun_chip_init(struct fsl_upm_nand *fun) +static int __devinit fun_chip_init(struct fsl_upm_nand *fun, + const struct device_node *upm_np, + const struct resource *io_res) { int ret; + struct device_node *flash_np; #ifdef CONFIG_MTD_PARTITIONS static const char *part_types[] = { "cmdlinepart", NULL, }; #endif @@ -131,7 +129,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun) fun->chip.IO_ADDR_R = fun->io_base; fun->chip.IO_ADDR_W = fun->io_base; fun->chip.cmd_ctrl = fun_cmd_ctrl; - fun->chip.chip_delay = fun->chip_delay; + fun->chip.chip_delay = 50; fun->chip.read_byte = fun_read_byte; fun->chip.read_buf = fun_read_buf; fun->chip.write_buf = fun_write_buf; @@ -143,18 +141,37 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun) fun->mtd.priv = &fun->chip; fun->mtd.owner = THIS_MODULE; + flash_np = of_get_next_child(upm_np, NULL); + if (!flash_np) + return -ENODEV; + + fun->mtd.name = kasprintf(GFP_KERNEL, "%x.%s", io_res->start, + flash_np->name); + if (!fun->mtd.name) { + ret = -ENOMEM; + goto err; + } + ret = nand_scan(&fun->mtd, 1); if (ret) - return ret; - - fun->mtd.name = fun->dev->bus_id; + goto err; #ifdef CONFIG_MTD_PARTITIONS ret = parse_mtd_partitions(&fun->mtd, part_types, &fun->parts, 0); + +#ifdef CONFIG_MTD_OF_PARTS + if (ret == 0) + ret = of_mtd_parse_partitions(fun->dev, &fun->mtd, + flash_np, &fun->parts); +#endif if (ret > 0) - return add_mtd_partitions(&fun->mtd, fun->parts, ret); + ret = add_mtd_partitions(&fun->mtd, fun->parts, ret); + else #endif - return add_mtd_device(&fun->mtd); + ret = add_mtd_device(&fun->mtd); +err: + of_node_put(flash_np); + return ret; } static int __devinit fun_probe(struct of_device *ofdev, @@ -220,17 +237,8 @@ static int __devinit fun_probe(struct of_device *ofdev, fun->dev = &ofdev->dev; fun->last_ctrl = NAND_CLE; - fun->wait_pattern = of_get_property(ofdev->node, "fsl,wait-pattern", - NULL); - fun->wait_write = of_get_property(ofdev->node, "fsl,wait-write", NULL); - - prop = of_get_property(ofdev->node, "chip-delay", NULL); - if (prop) - fun->chip_delay = *prop; - else - fun->chip_delay = 50; - ret = fun_chip_init(fun); + ret = fun_chip_init(fun, ofdev->node, &io_res); if (ret) goto err2; @@ -251,6 +259,7 @@ static int __devexit fun_remove(struct of_device *ofdev) struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev); nand_release(&fun->mtd); + kfree(fun->mtd.name); if (fun->rnb_gpio >= 0) gpio_free(fun->rnb_gpio); -- GitLab From 13f5369704d3c27a07936999f063be3a8a905398 Mon Sep 17 00:00:00 2001 From: Wolfgang Grandegger Date: Mon, 9 Jun 2008 10:19:08 +0200 Subject: [PATCH 3359/6244] [MTD] [NAND] driver extension to support NAND on TQM85xx modules This patch extends the FSL UPM NAND driver from Anton Vorontsov to support hardware which does not have the R/B pin of the NAND chip connected, like the TQM8548 module: - The OF_GPIO dependency has been removed from the Kconfig option because GPIO is not needed. The relevant gpio_* function are then stubbed out in . - It re-introduces the chip-delay property to define an appropriate maximum delay time (tR) required for read operations. The binding will be documented in a separate patch. Signed-off-by: Wolfgang Grandegger Signed-off-by: David Woodhouse --- drivers/mtd/nand/Kconfig | 2 +- drivers/mtd/nand/fsl_upm.c | 17 +++++++++++++---- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 7153854eb83a..18b9ffeabc98 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -401,7 +401,7 @@ config MTD_NAND_FSL_ELBC config MTD_NAND_FSL_UPM tristate "Support for NAND on Freescale UPM" - depends on MTD_NAND && OF_GPIO && (PPC_83xx || PPC_85xx) + depends on MTD_NAND && (PPC_83xx || PPC_85xx) select FSL_LBC help Enables support for NAND Flash chips wired onto Freescale PowerPC diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 3af5ef399a0f..024e3fffd4bb 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -13,6 +13,7 @@ #include #include +#include #include #include #include @@ -36,6 +37,7 @@ struct fsl_upm_nand { uint8_t upm_cmd_offset; void __iomem *io_base; int rnb_gpio; + int chip_delay; }; #define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd) @@ -58,10 +60,11 @@ static void fun_wait_rnb(struct fsl_upm_nand *fun) if (fun->rnb_gpio >= 0) { while (--cnt && !fun_chip_ready(&fun->mtd)) cpu_relax(); + if (!cnt) + dev_err(fun->dev, "tired waiting for RNB\n"); + } else { + ndelay(100); } - - if (!cnt) - dev_err(fun->dev, "tired waiting for RNB\n"); } static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) @@ -129,7 +132,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun, fun->chip.IO_ADDR_R = fun->io_base; fun->chip.IO_ADDR_W = fun->io_base; fun->chip.cmd_ctrl = fun_cmd_ctrl; - fun->chip.chip_delay = 50; + fun->chip.chip_delay = fun->chip_delay; fun->chip.read_byte = fun_read_byte; fun->chip.read_buf = fun_read_buf; fun->chip.write_buf = fun_write_buf; @@ -228,6 +231,12 @@ static int __devinit fun_probe(struct of_device *ofdev, goto err2; } + prop = of_get_property(ofdev->node, "chip-delay", NULL); + if (prop) + fun->chip_delay = *prop; + else + fun->chip_delay = 50; + fun->io_base = devm_ioremap_nocache(&ofdev->dev, io_res.start, io_res.end - io_res.start + 1); if (!fun->io_base) { -- GitLab From 52551beb0519c014fb77e1c78a6888d20e62209c Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Thu, 9 Oct 2008 22:50:06 -0500 Subject: [PATCH 3360/6244] [MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE Removed the Kconfig associated with 'NDFC NanD Flash Controller'. We can't enable !CONFIG_PPC_MERGE so there is no way to enable this. Additionally the code needs to get updated for arch/powerpc. For the time being lets just remove the Kconfig option so we can actually remove CONFIG_PPC_MERGE. Signed-off-by: Kumar Gala Signed-off-by: David Woodhouse --- drivers/mtd/nand/Kconfig | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 18b9ffeabc98..82815dd64bf6 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -157,13 +157,6 @@ config MTD_NAND_S3C2410_HWECC incorrect ECC generation, and if using these, the default of software ECC is preferable. -config MTD_NAND_NDFC - tristate "NDFC NanD Flash Controller" - depends on 4xx && !PPC_MERGE - select MTD_NAND_ECC_SMC - help - NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs - config MTD_NAND_S3C2410_CLKSTOP bool "S3C2410 NAND IDLE clock stop" depends on MTD_NAND_S3C2410 -- GitLab From f26ed116c0baa8f9cbbe3d5db84034d75f6250f8 Mon Sep 17 00:00:00 2001 From: David John Date: Fri, 10 Oct 2008 11:42:44 +0530 Subject: [PATCH 3361/6244] HPET: Remove spurious HPET busy warning message. On x86 systems with CONFIG_HPET_TIMER enabled, when the HPET driver (drivers/char/hpet.c) is loaded, an incorrect busy message is printed when the driver initializes since the HPET has already been allocated by the core timer code. Remove the warning message. Signed-off-by: David John Acked-by: Venkatesh Pallipadi Signed-off-by: Ingo Molnar --- drivers/char/hpet.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 2908a0eb63af..f3cfb4c76125 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -897,8 +897,6 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) hdp->hd_address = ioremap(addr.minimum, addr.address_length); if (hpet_is_known(hdp)) { - printk(KERN_DEBUG "%s: 0x%lx is busy\n", - __func__, hdp->hd_phys_address); iounmap(hdp->hd_address); return AE_ALREADY_EXISTS; } @@ -914,8 +912,6 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) HPET_RANGE_SIZE); if (hpet_is_known(hdp)) { - printk(KERN_DEBUG "%s: 0x%lx is busy\n", - __func__, hdp->hd_phys_address); iounmap(hdp->hd_address); return AE_ALREADY_EXISTS; } -- GitLab From 778e4875fb9ac8dcef654aaadb53a953cde96026 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Thu, 9 Oct 2008 17:51:43 +0300 Subject: [PATCH 3362/6244] ARM: OMAP3: Defconfig for the Gumstix Overo board (rev 3) Add defconfig for the Gumstix Overo board Signed-off-by: Steve Sakoman Signed-off-by: Tony Lindgren --- arch/arm/configs/overo_defconfig | 1885 ++++++++++++++++++++++++++++++ 1 file changed, 1885 insertions(+) create mode 100644 arch/arm/configs/overo_defconfig diff --git a/arch/arm/configs/overo_defconfig b/arch/arm/configs/overo_defconfig new file mode 100644 index 000000000000..49200967a153 --- /dev/null +++ b/arch/arm/configs/overo_defconfig @@ -0,0 +1,1885 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.27-rc8 +# Fri Oct 3 11:50:34 2008 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_SUPPORTS_AOUT=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_OPROFILE_ARMV7=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +# CONFIG_ELF_CORE is not set +# CONFIG_COMPAT_BRK is not set +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLUB_DEBUG=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +CONFIG_PROFILING=y +# CONFIG_MARKERS is not set +CONFIG_OPROFILE=y +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set +# CONFIG_HAVE_IOREMAP_PROT is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set +# CONFIG_HAVE_DMA_ATTRS is not set +# CONFIG_USE_GENERIC_SMP_HELPERS is not set +CONFIG_HAVE_CLK=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_KMOD=y +CONFIG_BLOCK=y +CONFIG_LBD=y +# CONFIG_BLK_DEV_IO_TRACE is not set +CONFIG_LSF=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +CONFIG_DEFAULT_CFQ=y +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_CLASSIC_RCU=y + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set +CONFIG_ARCH_OMAP=y +# CONFIG_ARCH_MSM7X00A is not set + +# +# TI OMAP Implementations +# +CONFIG_ARCH_OMAP_OTG=y +# CONFIG_ARCH_OMAP1 is not set +# CONFIG_ARCH_OMAP2 is not set +CONFIG_ARCH_OMAP3=y + +# +# OMAP Feature Selections +# +# CONFIG_OMAP_DEBUG_POWERDOMAIN is not set +# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set +# CONFIG_OMAP_RESET_CLOCKS is not set +# CONFIG_OMAP_MUX is not set +CONFIG_OMAP_MCBSP=y +# CONFIG_OMAP_MPU_TIMER is not set +CONFIG_OMAP_32K_TIMER=y +CONFIG_OMAP_32K_TIMER_HZ=128 +CONFIG_OMAP_DM_TIMER=y +# CONFIG_OMAP_LL_DEBUG_UART1 is not set +# CONFIG_OMAP_LL_DEBUG_UART2 is not set +CONFIG_OMAP_LL_DEBUG_UART3=y +CONFIG_ARCH_OMAP34XX=y +CONFIG_ARCH_OMAP3430=y + +# +# OMAP Board Type +# +# CONFIG_MACH_OMAP3_BEAGLE is not set +CONFIG_MACH_OVERO=y + +# +# Boot options +# + +# +# Power management +# + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_V7=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +CONFIG_CPU_PABRT_IFAR=y +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_HAS_ASID=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +CONFIG_ARM_THUMBEE=y +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_HAS_TLS_REG=y +# CONFIG_OUTER_CACHE is not set + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_VMSPLIT_3G=y +# CONFIG_VMSPLIT_2G is not set +# CONFIG_VMSPLIT_1G is not set +CONFIG_PAGE_OFFSET=0xC0000000 +# CONFIG_PREEMPT is not set +CONFIG_HZ=128 +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +CONFIG_LEDS=y +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE=" debug " +# CONFIG_XIP_KERNEL is not set +CONFIG_KEXEC=y +CONFIG_ATAGS_PROC=y + +# +# CPU Power Management +# +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_TABLE=y +# CONFIG_CPU_FREQ_DEBUG is not set +CONFIG_CPU_FREQ_STAT=y +CONFIG_CPU_FREQ_STAT_DETAILS=y +CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set +# CONFIG_CPU_IDLE is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +CONFIG_VFP=y +CONFIG_VFPv3=y +CONFIG_NEON=y + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_AOUT=m +CONFIG_BINFMT_MISC=y + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +CONFIG_PACKET_MMAP=y +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +CONFIG_NET_KEY=y +# CONFIG_NET_KEY_MIGRATE is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +CONFIG_INET_TUNNEL=m +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +CONFIG_IPV6=m +# CONFIG_IPV6_PRIVACY is not set +# CONFIG_IPV6_ROUTER_PREF is not set +# CONFIG_IPV6_OPTIMISTIC_DAD is not set +# CONFIG_INET6_AH is not set +# CONFIG_INET6_ESP is not set +# CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set +CONFIG_IPV6_SIT=m +CONFIG_IPV6_NDISC_NODETYPE=y +# CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set +# CONFIG_IPV6_MROUTE is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +CONFIG_BT=y +CONFIG_BT_L2CAP=y +CONFIG_BT_SCO=y +CONFIG_BT_RFCOMM=y +CONFIG_BT_RFCOMM_TTY=y +CONFIG_BT_BNEP=y +CONFIG_BT_BNEP_MC_FILTER=y +CONFIG_BT_BNEP_PROTO_FILTER=y +CONFIG_BT_HIDP=y + +# +# Bluetooth device drivers +# +CONFIG_BT_HCIUSB=m +CONFIG_BT_HCIUSB_SCO=y +# CONFIG_BT_HCIBTUSB is not set +# CONFIG_BT_HCIBTSDIO is not set +CONFIG_BT_HCIUART=y +CONFIG_BT_HCIUART_H4=y +CONFIG_BT_HCIUART_BCSP=y +# CONFIG_BT_HCIUART_LL is not set +CONFIG_BT_HCIBCM203X=y +CONFIG_BT_HCIBPA10X=y +# CONFIG_BT_HCIBFUSB is not set +# CONFIG_BT_HCIVHCI is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +CONFIG_CFG80211=y +CONFIG_NL80211=y +CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y +CONFIG_MAC80211=y + +# +# Rate control algorithm selection +# +CONFIG_MAC80211_RC_PID=y +CONFIG_MAC80211_RC_DEFAULT_PID=y +CONFIG_MAC80211_RC_DEFAULT="pid" +# CONFIG_MAC80211_MESH is not set +CONFIG_MAC80211_LEDS=y +# CONFIG_MAC80211_DEBUGFS is not set +# CONFIG_MAC80211_DEBUG_MENU is not set +CONFIG_IEEE80211=y +# CONFIG_IEEE80211_DEBUG is not set +CONFIG_IEEE80211_CRYPT_WEP=y +CONFIG_IEEE80211_CRYPT_CCMP=y +CONFIG_IEEE80211_CRYPT_TKIP=y +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +CONFIG_MTD_CONCAT=y +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AFS_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_RAM is not set +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +# CONFIG_MTD_COMPLEX_MAPPINGS is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=y +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_IDS=y +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=m +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=16384 +# CONFIG_BLK_DEV_XIP is not set +CONFIG_CDROM_PKTCDVD=m +CONFIG_CDROM_PKTCDVD_BUFFERS=8 +# CONFIG_CDROM_PKTCDVD_WCACHE is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +CONFIG_EEPROM_93CX6=m +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +CONFIG_RAID_ATTRS=m +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +CONFIG_SCSI_MULTI_LUN=y +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_ATA is not set +CONFIG_MD=y +CONFIG_BLK_DEV_MD=m +CONFIG_MD_LINEAR=m +CONFIG_MD_RAID0=m +CONFIG_MD_RAID1=m +CONFIG_MD_RAID10=m +CONFIG_MD_RAID456=m +CONFIG_MD_RAID5_RESHAPE=y +CONFIG_MD_MULTIPATH=m +CONFIG_MD_FAULTY=m +CONFIG_BLK_DEV_DM=m +# CONFIG_DM_DEBUG is not set +CONFIG_DM_CRYPT=m +CONFIG_DM_SNAPSHOT=m +CONFIG_DM_MIRROR=m +CONFIG_DM_ZERO=m +CONFIG_DM_MULTIPATH=m +CONFIG_DM_DELAY=m +# CONFIG_DM_UEVENT is not set +CONFIG_NETDEVICES=y +CONFIG_DUMMY=m +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +CONFIG_TUN=m +# CONFIG_VETH is not set +# CONFIG_NET_ETHERNET is not set +CONFIG_MII=y +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +CONFIG_WLAN_80211=y +CONFIG_LIBERTAS=y +CONFIG_LIBERTAS_USB=y +CONFIG_LIBERTAS_SDIO=y +CONFIG_LIBERTAS_DEBUG=y +CONFIG_USB_ZD1201=m +# CONFIG_USB_NET_RNDIS_WLAN is not set +CONFIG_RTL8187=m +# CONFIG_MAC80211_HWSIM is not set +CONFIG_P54_COMMON=m +CONFIG_P54_USB=m +# CONFIG_IWLWIFI_LEDS is not set +CONFIG_HOSTAP=m +CONFIG_HOSTAP_FIRMWARE=y +CONFIG_HOSTAP_FIRMWARE_NVRAM=y +# CONFIG_B43 is not set +# CONFIG_B43LEGACY is not set +# CONFIG_ZD1211RW is not set +# CONFIG_RT2X00 is not set + +# +# USB Network Adapters +# +CONFIG_USB_CATC=m +CONFIG_USB_KAWETH=m +CONFIG_USB_PEGASUS=m +CONFIG_USB_RTL8150=m +CONFIG_USB_USBNET=y +CONFIG_USB_NET_AX8817X=y +CONFIG_USB_NET_CDCETHER=y +CONFIG_USB_NET_DM9601=m +CONFIG_USB_NET_GL620A=m +CONFIG_USB_NET_NET1080=m +CONFIG_USB_NET_PLUSB=m +CONFIG_USB_NET_MCS7830=m +CONFIG_USB_NET_RNDIS_HOST=m +CONFIG_USB_NET_CDC_SUBSET=m +CONFIG_USB_ALI_M5632=y +CONFIG_USB_AN2720=y +CONFIG_USB_BELKIN=y +CONFIG_USB_ARMLINUX=y +CONFIG_USB_EPSON2888=y +CONFIG_USB_KC2190=y +CONFIG_USB_NET_ZAURUS=m +# CONFIG_WAN is not set +CONFIG_PPP=m +# CONFIG_PPP_MULTILINK is not set +# CONFIG_PPP_FILTER is not set +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_MPPE=m +CONFIG_PPPOE=m +# CONFIG_PPPOL2TP is not set +# CONFIG_SLIP is not set +CONFIG_SLHC=m +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_MOUSEDEV_PSAUX=y +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_KEYBOARD_GPIO is not set +CONFIG_INPUT_MOUSE=y +CONFIG_MOUSE_PS2=y +CONFIG_MOUSE_PS2_ALPS=y +CONFIG_MOUSE_PS2_LOGIPS2PP=y +CONFIG_MOUSE_PS2_SYNAPTICS=y +CONFIG_MOUSE_PS2_LIFEBOOK=y +CONFIG_MOUSE_PS2_TRACKPOINT=y +# CONFIG_MOUSE_PS2_TOUCHKIT is not set +# CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set +# CONFIG_MOUSE_BCM5974 is not set +# CONFIG_MOUSE_VSXXXAA is not set +# CONFIG_MOUSE_GPIO is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +CONFIG_SERIO_SERPORT=y +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +CONFIG_VT_HW_CONSOLE_BINDING=y +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=32 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_8250_DETECT_IRQ=y +CONFIG_SERIAL_8250_RSA=y + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_OMAP=y +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_AT24 is not set +CONFIG_SENSORS_EEPROM=y +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_ISP1301_OMAP is not set +# CONFIG_TPS65010 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +# CONFIG_SPI_BITBANG is not set +CONFIG_SPI_OMAP24XX=y + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +CONFIG_DEBUG_GPIO=y +CONFIG_GPIO_SYSFS=y + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +# CONFIG_W1 is not set +CONFIG_POWER_SUPPLY=m +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7414 is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADCXX is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM70 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1111 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_NOWAYOUT=y + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_UCB1400_CORE is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +CONFIG_VIDEO_DEV=m +CONFIG_VIDEO_V4L2_COMMON=m +CONFIG_VIDEO_ALLOW_V4L1=y +CONFIG_VIDEO_V4L1_COMPAT=y +CONFIG_DVB_CORE=m +CONFIG_VIDEO_MEDIA=m + +# +# Multimedia drivers +# +CONFIG_MEDIA_ATTACH=y +CONFIG_MEDIA_TUNER=m +# CONFIG_MEDIA_TUNER_CUSTOMIZE is not set +CONFIG_MEDIA_TUNER_SIMPLE=m +CONFIG_MEDIA_TUNER_TDA8290=m +CONFIG_MEDIA_TUNER_TDA827X=m +CONFIG_MEDIA_TUNER_TDA18271=m +CONFIG_MEDIA_TUNER_TDA9887=m +CONFIG_MEDIA_TUNER_TEA5761=m +CONFIG_MEDIA_TUNER_TEA5767=m +CONFIG_MEDIA_TUNER_MT20XX=m +CONFIG_MEDIA_TUNER_MT2060=m +CONFIG_MEDIA_TUNER_MT2266=m +CONFIG_MEDIA_TUNER_QT1010=m +CONFIG_MEDIA_TUNER_XC2028=m +CONFIG_MEDIA_TUNER_XC5000=m +CONFIG_MEDIA_TUNER_MXL5005S=m +CONFIG_VIDEO_V4L2=m +CONFIG_VIDEO_V4L1=m +CONFIG_VIDEO_TVEEPROM=m +CONFIG_VIDEO_TUNER=m +CONFIG_VIDEO_CAPTURE_DRIVERS=y +# CONFIG_VIDEO_ADV_DEBUG is not set +CONFIG_VIDEO_HELPER_CHIPS_AUTO=y +CONFIG_VIDEO_MSP3400=m +CONFIG_VIDEO_CS53L32A=m +CONFIG_VIDEO_WM8775=m +CONFIG_VIDEO_SAA711X=m +CONFIG_VIDEO_CX25840=m +CONFIG_VIDEO_CX2341X=m +# CONFIG_VIDEO_VIVI is not set +# CONFIG_VIDEO_CPIA is not set +# CONFIG_VIDEO_CPIA2 is not set +# CONFIG_VIDEO_SAA5246A is not set +# CONFIG_VIDEO_SAA5249 is not set +# CONFIG_TUNER_3036 is not set +# CONFIG_VIDEO_AU0828 is not set +CONFIG_V4L_USB_DRIVERS=y +CONFIG_USB_VIDEO_CLASS=m +CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y +# CONFIG_USB_GSPCA is not set +CONFIG_VIDEO_PVRUSB2=m +CONFIG_VIDEO_PVRUSB2_SYSFS=y +CONFIG_VIDEO_PVRUSB2_DVB=y +# CONFIG_VIDEO_PVRUSB2_DEBUGIFC is not set +# CONFIG_VIDEO_EM28XX is not set +CONFIG_VIDEO_USBVISION=m +CONFIG_VIDEO_USBVIDEO=m +CONFIG_USB_VICAM=m +CONFIG_USB_IBMCAM=m +CONFIG_USB_KONICAWC=m +CONFIG_USB_QUICKCAM_MESSENGER=m +# CONFIG_USB_ET61X251 is not set +CONFIG_VIDEO_OVCAMCHIP=m +CONFIG_USB_W9968CF=m +CONFIG_USB_OV511=m +CONFIG_USB_SE401=m +CONFIG_USB_SN9C102=m +CONFIG_USB_STV680=m +# CONFIG_USB_ZC0301 is not set +CONFIG_USB_PWC=m +# CONFIG_USB_PWC_DEBUG is not set +CONFIG_USB_ZR364XX=m +# CONFIG_USB_STKWEBCAM is not set +# CONFIG_USB_S2255 is not set +# CONFIG_SOC_CAMERA is not set +# CONFIG_VIDEO_SH_MOBILE_CEU is not set +CONFIG_RADIO_ADAPTERS=y +# CONFIG_USB_DSBR is not set +# CONFIG_USB_SI470X is not set +CONFIG_DVB_CAPTURE_DRIVERS=y +# CONFIG_TTPCI_EEPROM is not set + +# +# Supported USB Adapters +# +CONFIG_DVB_USB=m +# CONFIG_DVB_USB_DEBUG is not set +CONFIG_DVB_USB_A800=m +CONFIG_DVB_USB_DIBUSB_MB=m +# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set +CONFIG_DVB_USB_DIBUSB_MC=m +CONFIG_DVB_USB_DIB0700=m +CONFIG_DVB_USB_UMT_010=m +CONFIG_DVB_USB_CXUSB=m +CONFIG_DVB_USB_M920X=m +CONFIG_DVB_USB_GL861=m +CONFIG_DVB_USB_AU6610=m +CONFIG_DVB_USB_DIGITV=m +CONFIG_DVB_USB_VP7045=m +CONFIG_DVB_USB_VP702X=m +CONFIG_DVB_USB_GP8PSK=m +CONFIG_DVB_USB_NOVA_T_USB2=m +CONFIG_DVB_USB_TTUSB2=m +CONFIG_DVB_USB_DTT200U=m +CONFIG_DVB_USB_OPERA1=m +CONFIG_DVB_USB_AF9005=m +CONFIG_DVB_USB_AF9005_REMOTE=m +# CONFIG_DVB_USB_DW2102 is not set +# CONFIG_DVB_USB_ANYSEE is not set +CONFIG_DVB_TTUSB_BUDGET=m +CONFIG_DVB_TTUSB_DEC=m +CONFIG_DVB_CINERGYT2=m +# CONFIG_DVB_CINERGYT2_TUNING is not set +# CONFIG_DVB_SIANO_SMS1XXX is not set + +# +# Supported FlexCopII (B2C2) Adapters +# +# CONFIG_DVB_B2C2_FLEXCOP is not set + +# +# Supported DVB Frontends +# + +# +# Customise DVB Frontends +# +# CONFIG_DVB_FE_CUSTOMISE is not set + +# +# DVB-S (satellite) frontends +# +CONFIG_DVB_CX24110=m +CONFIG_DVB_CX24123=m +CONFIG_DVB_MT312=m +CONFIG_DVB_S5H1420=m +CONFIG_DVB_STV0299=m +CONFIG_DVB_TDA8083=m +CONFIG_DVB_TDA10086=m +CONFIG_DVB_VES1X93=m +CONFIG_DVB_TUNER_ITD1000=m +CONFIG_DVB_TDA826X=m +CONFIG_DVB_TUA6100=m + +# +# DVB-T (terrestrial) frontends +# +CONFIG_DVB_SP8870=m +CONFIG_DVB_SP887X=m +CONFIG_DVB_CX22700=m +CONFIG_DVB_CX22702=m +# CONFIG_DVB_DRX397XD is not set +CONFIG_DVB_L64781=m +CONFIG_DVB_TDA1004X=m +CONFIG_DVB_NXT6000=m +CONFIG_DVB_MT352=m +CONFIG_DVB_ZL10353=m +CONFIG_DVB_DIB3000MB=m +CONFIG_DVB_DIB3000MC=m +CONFIG_DVB_DIB7000M=m +CONFIG_DVB_DIB7000P=m +CONFIG_DVB_TDA10048=m + +# +# DVB-C (cable) frontends +# +CONFIG_DVB_VES1820=m +CONFIG_DVB_TDA10021=m +CONFIG_DVB_TDA10023=m +CONFIG_DVB_STV0297=m + +# +# ATSC (North American/Korean Terrestrial/Cable DTV) frontends +# +CONFIG_DVB_NXT200X=m +# CONFIG_DVB_OR51211 is not set +# CONFIG_DVB_OR51132 is not set +CONFIG_DVB_BCM3510=m +CONFIG_DVB_LGDT330X=m +CONFIG_DVB_S5H1409=m +CONFIG_DVB_AU8522=m +CONFIG_DVB_S5H1411=m + +# +# Digital terrestrial only tuners/PLL +# +CONFIG_DVB_PLL=m +CONFIG_DVB_TUNER_DIB0070=m + +# +# SEC control devices for DVB-S +# +CONFIG_DVB_LNBP21=m +# CONFIG_DVB_ISL6405 is not set +CONFIG_DVB_ISL6421=m +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +CONFIG_DISPLAY_SUPPORT=y + +# +# Display hardware drivers +# + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_SOUND=y +CONFIG_SND=y +CONFIG_SND_TIMER=y +CONFIG_SND_PCM=y +CONFIG_SND_HWDEP=y +CONFIG_SND_RAWMIDI=y +CONFIG_SND_SEQUENCER=m +# CONFIG_SND_SEQ_DUMMY is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=y +CONFIG_SND_PCM_OSS=y +CONFIG_SND_PCM_OSS_PLUGINS=y +CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +CONFIG_SND_VERBOSE_PRINTK=y +CONFIG_SND_DEBUG=y +# CONFIG_SND_DEBUG_VERBOSE is not set +# CONFIG_SND_PCM_XRUN_DEBUG is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_VIRMIDI is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +CONFIG_SND_USB=y +CONFIG_SND_USB_AUDIO=y +CONFIG_SND_USB_CAIAQ=m +CONFIG_SND_USB_CAIAQ_INPUT=y +CONFIG_SND_SOC=y +CONFIG_SND_OMAP_SOC=y +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +CONFIG_HID_DEBUG=y +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +CONFIG_USB_DEBUG=y +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y + +# +# Miscellaneous USB options +# +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=y + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_OHCI_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +CONFIG_USB_MUSB_HDRC=y +CONFIG_USB_MUSB_SOC=y + +# +# OMAP 343x high speed USB support +# +CONFIG_USB_MUSB_HOST=y +# CONFIG_USB_MUSB_PERIPHERAL is not set +# CONFIG_USB_MUSB_OTG is not set +CONFIG_USB_MUSB_HDRC_HCD=y +CONFIG_MUSB_PIO_ONLY=y +# CONFIG_USB_MUSB_DEBUG is not set + +# +# USB Device Class drivers +# +CONFIG_USB_ACM=m +CONFIG_USB_PRINTER=m +CONFIG_USB_WDM=y + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +CONFIG_USB_STORAGE=y +# CONFIG_USB_STORAGE_DEBUG is not set +# CONFIG_USB_STORAGE_DATAFAB is not set +# CONFIG_USB_STORAGE_FREECOM is not set +# CONFIG_USB_STORAGE_ISD200 is not set +# CONFIG_USB_STORAGE_DPCM is not set +# CONFIG_USB_STORAGE_USBAT is not set +# CONFIG_USB_STORAGE_SDDR09 is not set +# CONFIG_USB_STORAGE_SDDR55 is not set +# CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_STORAGE_KARMA is not set +# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +# CONFIG_USB_MICROTEK is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=m +# CONFIG_USB_EZUSB is not set +# CONFIG_USB_SERIAL_GENERIC is not set +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP2101 is not set +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +# CONFIG_USB_SERIAL_EMPEG is not set +# CONFIG_USB_SERIAL_FTDI_SIO is not set +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +# CONFIG_USB_SERIAL_PL2303 is not set +# CONFIG_USB_SERIAL_OTI6858 is not set +# CONFIG_USB_SERIAL_SPCP8X5 is not set +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +CONFIG_USB_EMI62=m +CONFIG_USB_EMI26=m +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_RIO500 is not set +CONFIG_USB_LEGOTOWER=m +CONFIG_USB_LCD=m +# CONFIG_USB_BERRY_CHARGE is not set +CONFIG_USB_LED=m +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +CONFIG_MMC_UNSAFE_RESUME=y + +# +# MMC/SD Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +CONFIG_SDIO_UART=y +# CONFIG_MMC_TEST is not set + +# +# MMC/SD Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +# CONFIG_MMC_OMAP is not set +# CONFIG_MMC_SPI is not set +# CONFIG_MEMSTICK is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y + +# +# LED drivers +# +# CONFIG_LEDS_PCA9532 is not set +CONFIG_LEDS_GPIO=y +# CONFIG_LEDS_PCA955X is not set + +# +# LED Triggers +# +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_DMADEVICES is not set + +# +# Voltage and Current regulators +# +# CONFIG_REGULATOR is not set +# CONFIG_REGULATOR_FIXED_VOLTAGE is not set +# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +CONFIG_XFS_FS=m +# CONFIG_XFS_QUOTA is not set +# CONFIG_XFS_POSIX_ACL is not set +# CONFIG_XFS_RT is not set +# CONFIG_XFS_DEBUG is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +CONFIG_QUOTA=y +# CONFIG_QUOTA_NETLINK_INTERFACE is not set +CONFIG_PRINT_QUOTA_WARNING=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +CONFIG_FUSE_FS=m + +# +# CD-ROM/DVD Filesystems +# +CONFIG_ISO9660_FS=m +CONFIG_JOLIET=y +CONFIG_ZISOFS=y +CONFIG_UDF_FS=m +CONFIG_UDF_NLS=y + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_JFFS2_FS=y +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +CONFIG_JFFS2_SUMMARY=y +CONFIG_JFFS2_FS_XATTR=y +CONFIG_JFFS2_FS_POSIX_ACL=y +CONFIG_JFFS2_FS_SECURITY=y +CONFIG_JFFS2_COMPRESSION_OPTIONS=y +CONFIG_JFFS2_ZLIB=y +CONFIG_JFFS2_LZO=y +CONFIG_JFFS2_RTIME=y +CONFIG_JFFS2_RUBIN=y +# CONFIG_JFFS2_CMODE_NONE is not set +CONFIG_JFFS2_CMODE_PRIORITY=y +# CONFIG_JFFS2_CMODE_SIZE is not set +# CONFIG_JFFS2_CMODE_FAVOURLZO is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_DEBUG_ON is not set +# CONFIG_SLUB_STATS is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_DEBUG_INFO is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +CONFIG_FRAME_POINTER=y +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +CONFIG_HAVE_FTRACE=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +# CONFIG_FTRACE is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_DEBUG_LL is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_XOR_BLOCKS=m +CONFIG_ASYNC_CORE=m +CONFIG_ASYNC_MEMCPY=m +CONFIG_ASYNC_XOR=m +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=m +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_GF128MUL=m +CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_CRYPTD=m +# CONFIG_CRYPTO_AUTHENC is not set +CONFIG_CRYPTO_TEST=m + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=y +CONFIG_CRYPTO_LRW=m +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +CONFIG_CRYPTO_HMAC=m +CONFIG_CRYPTO_XCBC=m + +# +# Digest +# +CONFIG_CRYPTO_CRC32C=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=y +CONFIG_CRYPTO_MICHAEL_MIC=y +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +CONFIG_CRYPTO_SHA1=m +CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_WP512=m + +# +# Ciphers +# +CONFIG_CRYPTO_AES=y +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_ARC4=y +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_CAMELLIA=m +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_DES=y +CONFIG_CRYPTO_FCRYPT=m +CONFIG_CRYPTO_KHAZAD=m +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_TWOFISH_COMMON=m + +# +# Compression +# +CONFIG_CRYPTO_DEFLATE=m +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_CRC_CCITT=y +CONFIG_CRC16=m +CONFIG_CRC_T10DIF=y +CONFIG_CRC_ITU_T=y +CONFIG_CRC32=y +CONFIG_CRC7=y +CONFIG_LIBCRC32C=y +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=y +CONFIG_LZO_COMPRESS=y +CONFIG_LZO_DECOMPRESS=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y -- GitLab From 492656511b109b5f9ee64d05c90b5bd9043549fa Mon Sep 17 00:00:00 2001 From: Nishant Kamat Date: Fri, 10 Oct 2008 11:28:23 +0300 Subject: [PATCH 3363/6244] ARM: OMAP3: Add basic board support for OMAP LDP This adds minimal board support for the OMAP3430 LDP development platform. Signed-off-by: Nishant Kamat Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/Kconfig | 4 + arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-ldp.c | 86 +++++++++++++++++++++ arch/arm/plat-omap/include/mach/board-ldp.h | 36 +++++++++ arch/arm/plat-omap/include/mach/hardware.h | 4 + 5 files changed, 131 insertions(+) create mode 100644 arch/arm/mach-omap2/board-ldp.c create mode 100644 arch/arm/plat-omap/include/mach/board-ldp.h diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index aef043b87b44..4832fcc7d04a 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -48,6 +48,10 @@ config MACH_OMAP3_BEAGLE bool "OMAP3 BEAGLE board" depends on ARCH_OMAP3 && ARCH_OMAP34XX +config MACH_OMAP_LDP + bool "OMAP3 LDP board" + depends on ARCH_OMAP3 && ARCH_OMAP34XX + config MACH_OVERO bool "Gumstix Overo board" depends on ARCH_OMAP3 && ARCH_OMAP34XX diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index feb9caf771d5..c69392372c99 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -30,5 +30,6 @@ obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o +obj-$(CONFIG_MACH_OMAP_LDP) += board-ldp.o obj-$(CONFIG_MACH_OVERO) += board-overo.o diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c new file mode 100644 index 000000000000..1ea59986aa7a --- /dev/null +++ b/arch/arm/mach-omap2/board-ldp.c @@ -0,0 +1,86 @@ +/* + * linux/arch/arm/mach-omap2/board-ldp.c + * + * Copyright (C) 2008 Texas Instruments Inc. + * Nishant Kamat + * + * Modified from mach-omap2/board-3430sdp.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +static void __init omap_ldp_init_irq(void) +{ + omap2_init_common_hw(); + omap_init_irq(); + omap_gpio_init(); +} + +static struct omap_uart_config ldp_uart_config __initdata = { + .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), +}; + +static struct omap_board_config_kernel ldp_config[] __initdata = { + { OMAP_TAG_UART, &ldp_uart_config }, +}; + +static int __init omap_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, NULL, 0); + omap_register_i2c_bus(2, 400, NULL, 0); + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + +static void __init omap_ldp_init(void) +{ + omap_i2c_init(); + omap_board_config = ldp_config; + omap_board_config_size = ARRAY_SIZE(ldp_config); + omap_serial_init(); +} + +static void __init omap_ldp_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(OMAP_LDP, "OMAP LDP board") + .phys_io = 0x48000000, + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = omap_ldp_map_io, + .init_irq = omap_ldp_init_irq, + .init_machine = omap_ldp_init, + .timer = &omap_timer, +MACHINE_END diff --git a/arch/arm/plat-omap/include/mach/board-ldp.h b/arch/arm/plat-omap/include/mach/board-ldp.h new file mode 100644 index 000000000000..66e2746c04ca --- /dev/null +++ b/arch/arm/plat-omap/include/mach/board-ldp.h @@ -0,0 +1,36 @@ +/* + * arch/arm/plat-omap/include/mach/board-ldp.h + * + * Hardware definitions for TI OMAP3 LDP. + * + * Copyright (C) 2008 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __ASM_ARCH_OMAP_LDP_H +#define __ASM_ARCH_OMAP_LDP_H + +extern void twl4030_bci_battery_init(void); + +#define TWL4030_IRQNUM INT_34XX_SYS_NIRQ + +#endif /* __ASM_ARCH_OMAP_LDP_H */ diff --git a/arch/arm/plat-omap/include/mach/hardware.h b/arch/arm/plat-omap/include/mach/hardware.h index 80f6d7ec53e1..6589ddbb63b2 100644 --- a/arch/arm/plat-omap/include/mach/hardware.h +++ b/arch/arm/plat-omap/include/mach/hardware.h @@ -326,6 +326,10 @@ #include "board-omap3beagle.h" #endif +#ifdef CONFIG_MACH_OMAP_LDP +#include "board-ldp.h" +#endif + #ifdef CONFIG_MACH_OMAP_APOLLON #include "board-apollon.h" #endif -- GitLab From 99b3075b9095c23acf8d884bdc7fe33c8c3520f0 Mon Sep 17 00:00:00 2001 From: Nishant Kamat Date: Fri, 10 Oct 2008 11:48:56 +0300 Subject: [PATCH 3364/6244] ARM: OMAP3: Add default kernel config for OMAP LDP This patch adds a default config for the OMAP LDP platform. Signed-off-by: Nishant Kamat Signed-off-by: Tony Lindgren --- arch/arm/configs/omap_ldp_defconfig | 1044 +++++++++++++++++++++++++++ 1 file changed, 1044 insertions(+) create mode 100644 arch/arm/configs/omap_ldp_defconfig diff --git a/arch/arm/configs/omap_ldp_defconfig b/arch/arm/configs/omap_ldp_defconfig new file mode 100644 index 000000000000..948a212fb1cc --- /dev/null +++ b/arch/arm/configs/omap_ldp_defconfig @@ -0,0 +1,1044 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.27-rc5 +# Fri Oct 10 11:49:41 2008 +# +CONFIG_ARM=y +CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_MMU=y +# CONFIG_NO_IOPORT is not set +CONFIG_GENERIC_HARDIRQS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_SUPPORTS_AOUT=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_VECTORS_BASE=0xffff0000 +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_KPROBES is not set +# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set +# CONFIG_HAVE_IOREMAP_PROT is not set +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set +# CONFIG_HAVE_DMA_ATTRS is not set +# CONFIG_USE_GENERIC_SMP_HELPERS is not set +CONFIG_HAVE_CLK=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_BLK_DEV_INTEGRITY is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" +CONFIG_CLASSIC_RCU=y + +# +# System Type +# +# CONFIG_ARCH_AAEC2000 is not set +# CONFIG_ARCH_INTEGRATOR is not set +# CONFIG_ARCH_REALVIEW is not set +# CONFIG_ARCH_VERSATILE is not set +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_CLPS7500 is not set +# CONFIG_ARCH_CLPS711X is not set +# CONFIG_ARCH_EBSA110 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_FOOTBRIDGE is not set +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_H720X is not set +# CONFIG_ARCH_IMX is not set +# CONFIG_ARCH_IOP13XX is not set +# CONFIG_ARCH_IOP32X is not set +# CONFIG_ARCH_IOP33X is not set +# CONFIG_ARCH_IXP23XX is not set +# CONFIG_ARCH_IXP2000 is not set +# CONFIG_ARCH_IXP4XX is not set +# CONFIG_ARCH_L7200 is not set +# CONFIG_ARCH_KIRKWOOD is not set +# CONFIG_ARCH_KS8695 is not set +# CONFIG_ARCH_NS9XXX is not set +# CONFIG_ARCH_LOKI is not set +# CONFIG_ARCH_MV78XX0 is not set +# CONFIG_ARCH_MXC is not set +# CONFIG_ARCH_ORION5X is not set +# CONFIG_ARCH_PNX4008 is not set +# CONFIG_ARCH_PXA is not set +# CONFIG_ARCH_RPC is not set +# CONFIG_ARCH_SA1100 is not set +# CONFIG_ARCH_S3C2410 is not set +# CONFIG_ARCH_SHARK is not set +# CONFIG_ARCH_LH7A40X is not set +# CONFIG_ARCH_DAVINCI is not set +CONFIG_ARCH_OMAP=y +# CONFIG_ARCH_MSM7X00A is not set + +# +# TI OMAP Implementations +# +CONFIG_ARCH_OMAP_OTG=y +# CONFIG_ARCH_OMAP1 is not set +# CONFIG_ARCH_OMAP2 is not set +CONFIG_ARCH_OMAP3=y + +# +# OMAP Feature Selections +# +# CONFIG_OMAP_DEBUG_POWERDOMAIN is not set +# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set +# CONFIG_OMAP_RESET_CLOCKS is not set +CONFIG_OMAP_MUX=y +CONFIG_OMAP_MUX_DEBUG=y +CONFIG_OMAP_MUX_WARNINGS=y +CONFIG_OMAP_MCBSP=y +# CONFIG_OMAP_MPU_TIMER is not set +CONFIG_OMAP_32K_TIMER=y +CONFIG_OMAP_32K_TIMER_HZ=128 +CONFIG_OMAP_DM_TIMER=y +# CONFIG_OMAP_LL_DEBUG_UART1 is not set +# CONFIG_OMAP_LL_DEBUG_UART2 is not set +CONFIG_OMAP_LL_DEBUG_UART3=y +CONFIG_OMAP_SERIAL_WAKE=y +CONFIG_ARCH_OMAP34XX=y +CONFIG_ARCH_OMAP3430=y + +# +# OMAP Board Type +# +# CONFIG_MACH_OMAP3_BEAGLE is not set +CONFIG_MACH_OMAP_LDP=y +# CONFIG_MACH_OVERO is not set + +# +# Boot options +# + +# +# Power management +# + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_V7=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +CONFIG_CPU_PABRT_IFAR=y +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_HAS_ASID=y +CONFIG_CPU_CP15=y +CONFIG_CPU_CP15_MMU=y + +# +# Processor Features +# +CONFIG_ARM_THUMB=y +# CONFIG_ARM_THUMBEE is not set +# CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_DCACHE_DISABLE is not set +# CONFIG_CPU_BPREDICT_DISABLE is not set +CONFIG_HAS_TLS_REG=y +# CONFIG_OUTER_CACHE is not set + +# +# Bus support +# +# CONFIG_PCI_SYSCALL is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Kernel Features +# +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +# CONFIG_PREEMPT is not set +CONFIG_HZ=128 +CONFIG_AEABI=y +CONFIG_OABI_COMPAT=y +CONFIG_ARCH_FLATMEM_HAS_HOLES=y +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_BOUNCE=y +CONFIG_VIRT_TO_BUS=y +# CONFIG_LEDS is not set +CONFIG_ALIGNMENT_TRAP=y + +# +# Boot options +# +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="root=/dev/nfs nfsroot=192.168.0.1:/home/user/buildroot ip=192.168.0.2:192.168.0.1:192.168.0.1:255.255.255.0:tgt:eth0:off rw console=ttyS2,115200n8" +# CONFIG_XIP_KERNEL is not set +# CONFIG_KEXEC is not set + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# Floating point emulation +# + +# +# At least one emulation must be selected +# +CONFIG_FPE_NWFPE=y +# CONFIG_FPE_NWFPE_XP is not set +# CONFIG_FPE_FASTFPE is not set +CONFIG_VFP=y +CONFIG_VFPv3=y +# CONFIG_NEON is not set + +# +# Userspace binary formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_AOUT is not set +CONFIG_BINFMT_MISC=y + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_NET is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_MTD is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=16384 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +CONFIG_MISC_DEVICES=y +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +CONFIG_SCSI_DMA=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set +# CONFIG_SCSI_SRP_ATTRS is not set +CONFIG_SCSI_LOWLEVEL=y +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_DH is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +CONFIG_INPUT_TOUCHSCREEN=y +CONFIG_TOUCHSCREEN_ADS7846=y +# CONFIG_TOUCHSCREEN_FUJITSU is not set +# CONFIG_TOUCHSCREEN_GUNZE is not set +# CONFIG_TOUCHSCREEN_ELO is not set +# CONFIG_TOUCHSCREEN_MTOUCH is not set +# CONFIG_TOUCHSCREEN_INEXIO is not set +# CONFIG_TOUCHSCREEN_MK712 is not set +# CONFIG_TOUCHSCREEN_PENMOUNT is not set +# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set +# CONFIG_TOUCHSCREEN_TOUCHWIN is not set +# CONFIG_TOUCHSCREEN_UCB1400 is not set +# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +CONFIG_VT=y +CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=32 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_8250_DETECT_IRQ=y +CONFIG_SERIAL_8250_RSA=y + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_NVRAM is not set +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=y +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# + +# +# I2C system bus drivers (mostly embedded / system-on-chip) +# +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +CONFIG_I2C_OMAP=y +# CONFIG_I2C_SIMTEC is not set + +# +# External I2C/SMBus adapter drivers +# +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_TAOS_EVM is not set + +# +# Other I2C/SMBus bus drivers +# +# CONFIG_I2C_PCA_PLATFORM is not set +# CONFIG_I2C_STUB is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_AT24 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCA9539 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_ISP1301_OMAP is not set +# CONFIG_TPS65010 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +# CONFIG_SPI_BITBANG is not set +CONFIG_SPI_OMAP24XX=y + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_GPIOLIB=y +# CONFIG_DEBUG_GPIO is not set +# CONFIG_GPIO_SYSFS is not set + +# +# I2C GPIO expanders: +# +# CONFIG_GPIO_MAX732X is not set +# CONFIG_GPIO_PCA953X is not set +# CONFIG_GPIO_PCF857X is not set + +# +# PCI GPIO expanders: +# + +# +# SPI GPIO expanders: +# +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +CONFIG_W1=y + +# +# 1-wire Bus Masters +# +# CONFIG_W1_MASTER_DS2482 is not set +# CONFIG_W1_MASTER_DS1WM is not set +# CONFIG_W1_MASTER_GPIO is not set + +# +# 1-wire Slaves +# +# CONFIG_W1_SLAVE_THERM is not set +# CONFIG_W1_SLAVE_SMEM is not set +# CONFIG_W1_SLAVE_DS2433 is not set +# CONFIG_W1_SLAVE_DS2760 is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +# CONFIG_HWMON is not set +CONFIG_WATCHDOG=y +CONFIG_WATCHDOG_NOWAYOUT=y + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_CORE is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_EGPIO is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_TMIO is not set +# CONFIG_MFD_T7L66XB is not set +# CONFIG_MFD_TC6387XB is not set +# CONFIG_MFD_TC6393XB is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +CONFIG_DAB=y + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_OUTPUT_CONTROL=m +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +# CONFIG_VGA_CONSOLE is not set +CONFIG_DUMMY_CONSOLE=y +CONFIG_SOUND=y +CONFIG_SND=y +# CONFIG_SND_SEQUENCER is not set +# CONFIG_SND_MIXER_OSS is not set +# CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set +CONFIG_SND_DRIVERS=y +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set +CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +# CONFIG_SND_SOC is not set +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_MMC=y +# CONFIG_MMC_DEBUG is not set +# CONFIG_MMC_UNSAFE_RESUME is not set + +# +# MMC/SD Card Drivers +# +CONFIG_MMC_BLOCK=y +CONFIG_MMC_BLOCK_BOUNCE=y +# CONFIG_SDIO_UART is not set +# CONFIG_MMC_TEST is not set + +# +# MMC/SD Host Controller Drivers +# +# CONFIG_MMC_SDHCI is not set +# CONFIG_MMC_OMAP is not set +# CONFIG_MMC_SPI is not set +# CONFIG_NEW_LEDS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +# CONFIG_DMADEVICES is not set + +# +# Voltage and Current regulators +# +# CONFIG_REGULATOR is not set +# CONFIG_REGULATOR_FIXED_VOLTAGE is not set +# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set +# CONFIG_REGULATOR_BQ24022 is not set +# CONFIG_UIO is not set + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +# CONFIG_EXT3_FS_XATTR is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +CONFIG_DNOTIFY=y +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +CONFIG_QUOTA=y +CONFIG_PRINT_QUOTA_WARNING=y +# CONFIG_QFMT_V1 is not set +CONFIG_QFMT_V2=y +CONFIG_QUOTACTL=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_OMFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Partition Types +# +CONFIG_PARTITION_ADVANCED=y +# CONFIG_ACORN_PARTITION is not set +# CONFIG_OSF_PARTITION is not set +# CONFIG_AMIGA_PARTITION is not set +# CONFIG_ATARI_PARTITION is not set +# CONFIG_MAC_PARTITION is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_BSD_DISKLABEL is not set +# CONFIG_MINIX_SUBPARTITION is not set +# CONFIG_SOLARIS_X86_PARTITION is not set +# CONFIG_UNIXWARE_DISKLABEL is not set +# CONFIG_LDM_PARTITION is not set +# CONFIG_SGI_PARTITION is not set +# CONFIG_ULTRIX_PARTITION is not set +# CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set +# CONFIG_EFI_PARTITION is not set +# CONFIG_SYSV68_PARTITION is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set +CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 +CONFIG_SCHED_DEBUG=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +# CONFIG_DEBUG_SPINLOCK is not set +CONFIG_DEBUG_MUTEXES=y +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_WRITECOUNT is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_SG is not set +CONFIG_FRAME_POINTER=y +# CONFIG_BOOT_PRINTK_DELAY is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set +CONFIG_HAVE_FTRACE=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +# CONFIG_FTRACE is not set +# CONFIG_IRQSOFF_TRACER is not set +# CONFIG_SCHED_TRACER is not set +# CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_SAMPLES is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_ERRORS is not set +# CONFIG_DEBUG_STACK_USAGE is not set +CONFIG_DEBUG_LL=y +# CONFIG_DEBUG_ICEDCC is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITY_FILE_CAPABILITIES is not set +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_MANAGER=y +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +CONFIG_CRYPTO_CBC=y +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +CONFIG_CRYPTO_ECB=m +# CONFIG_CRYPTO_LRW is not set +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_CRC_CCITT=y +# CONFIG_CRC16 is not set +CONFIG_CRC_T10DIF=y +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +CONFIG_LIBCRC32C=y +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y -- GitLab From 2043f3f7312cc7fbbc2acffb9d87265b0ad9a529 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 14:46:30 +0800 Subject: [PATCH 3365/6244] Blackfin arch: Enable framebuffer support for the BF526-EZkit TFT LCD display Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf537/boards/stamp.c | 49 +++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index 8482d22321f3..ccfa08801840 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -582,6 +582,13 @@ static struct bfin5xx_spi_chip spidev_chip_info = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + #if defined(CONFIG_MTD_DATAFLASH) \ || defined(CONFIG_MTD_DATAFLASH_MODULE) @@ -730,6 +737,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spidev_chip_info, }, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif }; #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) @@ -777,6 +794,34 @@ static struct platform_device bfin_fb_adv7393_device = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 1, + .gpio_bl = GPIO_PF7, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) static struct resource bfin_uart_resources[] = { #ifdef CONFIG_SERIAL_BFIN_UART0 @@ -997,6 +1042,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_fb_device, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) &bfin_fb_adv7393_device, #endif -- GitLab From d207a8c7681f14302e9e80ef5b8202abe39060b5 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:26:57 +0800 Subject: [PATCH 3366/6244] Blackfin arch: ptrace - fix off-by-one check on end of memory regions Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 50 +++++++++++++++-------------------- 1 file changed, 21 insertions(+), 29 deletions(-) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index e8172eece047..7e1f762b6700 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -161,15 +161,15 @@ static inline int is_user_addr_valid(struct task_struct *child, struct sram_list_struct *sraml; for (vml = child->mm->context.vmlist; vml; vml = vml->next) - if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end) + if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end) return 0; for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next) if (start >= (unsigned long)sraml->addr - && start + len <= (unsigned long)sraml->addr + sraml->length) + && start + len < (unsigned long)sraml->addr + sraml->length) return 0; - if (start >= FIXED_CODE_START && start + len <= FIXED_CODE_END) + if (start >= FIXED_CODE_START && start + len < FIXED_CODE_END) return 0; return -EIO; @@ -216,34 +216,30 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif - if (addr >= FIXED_CODE_START + + } else if (addr >= FIXED_CODE_START && addr + sizeof(tmp) <= FIXED_CODE_END) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); + } else copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); + pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp); if (copied != sizeof(tmp)) break; @@ -300,34 +296,30 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif - if (addr >= FIXED_CODE_START + + } else if (addr >= FIXED_CODE_START && addr + sizeof(data) <= FIXED_CODE_END) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); + } else copied = access_process_vm(child, addr, &data, sizeof(data), 1); + pr_debug("ptrace: copied size %d\n", copied); if (copied != sizeof(data)) break; -- GitLab From 3c08f1d122627c9559fb03a11f52ea37f960b61e Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:12:51 +0800 Subject: [PATCH 3367/6244] Blackfin arch: have is_user_addr_valid() check for overflows (like when address is -1) Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 7e1f762b6700..140bf00e9974 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -160,6 +160,10 @@ static inline int is_user_addr_valid(struct task_struct *child, struct vm_list_struct *vml; struct sram_list_struct *sraml; + /* overflow */ + if (start + len < start) + return -EIO; + for (vml = child->mm->context.vmlist; vml; vml = vml->next) if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end) return 0; -- GitLab From 5b7dba4ff834259a5623e03a565748704a8fe449 Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Thu, 9 Oct 2008 13:21:30 -0500 Subject: [PATCH 3368/6244] sched_clock: prevent scd->clock from moving backwards When sched_clock_cpu() couples the clocks between two cpus, it may increment scd->clock beyond the GTOD tick window that __update_sched_clock() uses to clamp the clock. A later call to __update_sched_clock() may move the clock back to scd->tick_gtod + TICK_NSEC, violating the clock's monotonic property. This patch ensures that scd->clock will not be set backward. Signed-off-by: Dave Kleikamp Acked-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/sched_clock.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c index e8ab096ddfe3..81787248b60f 100644 --- a/kernel/sched_clock.c +++ b/kernel/sched_clock.c @@ -118,13 +118,13 @@ static u64 __update_sched_clock(struct sched_clock_data *scd, u64 now) /* * scd->clock = clamp(scd->tick_gtod + delta, - * max(scd->tick_gtod, scd->clock), - * scd->tick_gtod + TICK_NSEC); + * max(scd->tick_gtod, scd->clock), + * max(scd->clock, scd->tick_gtod + TICK_NSEC)); */ clock = scd->tick_gtod + delta; min_clock = wrap_max(scd->tick_gtod, scd->clock); - max_clock = scd->tick_gtod + TICK_NSEC; + max_clock = wrap_max(scd->clock, scd->tick_gtod + TICK_NSEC); clock = wrap_max(clock, min_clock); clock = wrap_min(clock, max_clock); -- GitLab From a88c71e4367aada2065c5e247477c891d2ca952f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:37:52 +0800 Subject: [PATCH 3369/6244] Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/early_printk.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c index 60f67f90fe35..1f4e3d2e0901 100644 --- a/arch/blackfin/kernel/early_printk.c +++ b/arch/blackfin/kernel/early_printk.c @@ -35,6 +35,9 @@ extern struct console *bfin_earlyserial_init(unsigned int port, unsigned int cflag); #endif +#ifdef CONFIG_BFIN_JTAG_COMM +extern struct console *bfin_jc_early_init(void); +#endif static struct console *early_console; @@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf) early_console = earlyserial_init(buf); } #endif + +#ifdef CONFIG_BFIN_JTAG_COMM + /* Check for Blackfin JTAG */ + if (!strncmp(buf, "jtag", 4)) { + buf += 4; + early_console = bfin_jc_early_init(); + } +#endif + #ifdef CONFIG_FB /* TODO: add framebuffer console support */ #endif -- GitLab From 9f06c38fb230720371397a57faa24aa6e31b2c87 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Fri, 10 Oct 2008 18:13:21 +0800 Subject: [PATCH 3370/6244] Blackfin arch: Add optional verbose debug Add optional verbose debug - which when turned off, quiets down userspace errors. Saves ~8k of code/data for production systems Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 13 ++ arch/blackfin/kernel/traps.c | 230 ++++++++++++++++++++--------------- 2 files changed, 143 insertions(+), 100 deletions(-) diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index f08aea4fc5eb..3ad25983ec97 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -5,6 +5,19 @@ source "lib/Kconfig.debug" config HAVE_ARCH_KGDB def_bool y +config DEBUG_VERBOSE + bool "Verbose fault messages" + default y + select PRINTK + help + When a program crashes due to an exception, or the kernel detects + an internal error, the kernel can print a not so brief message + explaining what the problem was. This debugging information is + useful to developers and kernel hackers when tracking down problems, + but mostly meaningless to other people. This is always helpful for + debugging but serves no purpose on a production system. + Most people should say N here. + config DEBUG_MMRS bool "Generate Blackfin MMR tree" select DEBUG_FS diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 709c247b7016..1aa2c788e228 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -58,6 +58,15 @@ # define CHK_DEBUGGER_TRAP_MAYBE() do { } while (0) #endif + +#ifdef CONFIG_VERBOSE_DEBUG +#define verbose_printk(fmt, arg...) \ + printk(fmt, ##arg) +#else +#define verbose_printk(fmt, arg...) \ + ({ if (0) printk(fmt, ##arg); 0; }) +#endif + /* Initiate the event table handler */ void __init trap_init(void) { @@ -78,6 +87,7 @@ unsigned long saved_retx, saved_seqstat, static void decode_address(char *buf, unsigned long address) { +#ifdef CONFIG_DEBUG_VERBOSE struct vm_list_struct *vml; struct task_struct *p; struct mm_struct *mm; @@ -185,12 +195,16 @@ static void decode_address(char *buf, unsigned long address) done: write_unlock_irqrestore(&tasklist_lock, flags); +#else + sprintf(buf, " "); +#endif } asmlinkage void double_fault_c(struct pt_regs *fp) { console_verbose(); oops_in_progress = 1; +#ifdef CONFIG_DEBUG_VERBOSE printk(KERN_EMERG "\n" KERN_EMERG "Double Fault\n"); #ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { @@ -213,6 +227,7 @@ asmlinkage void double_fault_c(struct pt_regs *fp) dump_bfin_mem(fp); show_regs(fp); } +#endif panic("Double Fault - unrecoverable event\n"); } @@ -288,7 +303,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_EXCPT03: info.si_code = SEGV_STACKFLOW; sig = SIGSEGV; - printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x02 - KGDB initial connection and break signal trap */ @@ -317,7 +332,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_EXCPT04 ... VEC_EXCPT15: info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x10 HW Single step, handled here */ @@ -334,7 +349,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_OVFLOW: info.si_code = TRAP_TRACEFLOW; sig = SIGTRAP; - printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x12 - Reserved, Caught by default */ @@ -356,35 +371,35 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_UNDEF_I: info.si_code = ILL_ILLOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x22 - Illegal Instruction Combination, handled here */ case VEC_ILGAL_I: info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x23 - Data CPLB protection violation, handled here */ case VEC_CPLB_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x24 - Data access misaligned, handled here */ case VEC_MISALI_D: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x25 - Unrecoverable Event, handled here */ case VEC_UNCOV: info.si_code = ILL_ILLEXCPT; sig = SIGILL; - printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x26 - Data CPLB Miss, normal case is handled in _cplb_hdr, @@ -392,7 +407,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_CPLB_M: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); break; /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: @@ -400,10 +415,10 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_dcplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "NULL pointer access\n"); + verbose_printk(KERN_NOTICE "NULL pointer access\n"); else #endif - printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x28 - Emulation Watchpoint, handled here */ @@ -422,7 +437,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_ISTRU_VL: /* ADSP-BF535 only (MH) */ info.si_code = BUS_OPFETCH; sig = SIGBUS; - printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); + verbose_printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); CHK_DEBUGGER_TRAP_MAYBE(); break; #else @@ -432,21 +447,21 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_MISALI_I: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2B - Instruction CPLB protection violation, handled here */ case VEC_CPLB_I_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2C - Instruction CPLB miss, handled in _cplb_hdr */ case VEC_CPLB_I_M: info.si_code = ILL_CPLB_MISS; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); break; /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: @@ -454,17 +469,17 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_icplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "Jump to NULL address\n"); + verbose_printk(KERN_NOTICE "Jump to NULL address\n"); else #endif - printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ case VEC_ILL_RES: info.si_code = ILL_PRVOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2F - Reserved, Caught by default */ @@ -492,17 +507,17 @@ asmlinkage void trap_c(struct pt_regs *fp) case (SEQSTAT_HWERRCAUSE_SYSTEM_MMR): info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); break; /* External Memory Addressing Error */ case (SEQSTAT_HWERRCAUSE_EXTERN_ADDR): info.si_code = BUS_ADRERR; sig = SIGBUS; - printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); break; /* Performance Monitor Overflow */ case (SEQSTAT_HWERRCAUSE_PERF_FLOW): - printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); break; /* RAISE 5 instruction */ case (SEQSTAT_HWERRCAUSE_RAISE_5): @@ -522,7 +537,7 @@ asmlinkage void trap_c(struct pt_regs *fp) oops_in_progress = 1; info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", + verbose_printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", (fp->seqstat & SEQSTAT_EXCAUSE)); CHK_DEBUGGER_TRAP_MAYBE(); break; @@ -531,7 +546,6 @@ asmlinkage void trap_c(struct pt_regs *fp) BUG_ON(sig == 0); if (sig != SIGTRAP) { - unsigned long *stack; dump_bfin_process(fp); dump_bfin_mem(fp); show_regs(fp); @@ -539,7 +553,7 @@ asmlinkage void trap_c(struct pt_regs *fp) /* Print out the trace buffer if it makes sense */ #ifndef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE if (trapnr == VEC_CPLB_I_M || trapnr == VEC_CPLB_M) - printk(KERN_NOTICE "No trace since you do not have " + verbose_printk(KERN_NOTICE "No trace since you do not have " "CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE enabled\n" KERN_NOTICE "\n"); else @@ -548,20 +562,22 @@ asmlinkage void trap_c(struct pt_regs *fp) if (oops_in_progress) { /* Dump the current kernel stack */ - printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); show_stack(current, NULL); - print_modules(); #ifndef CONFIG_ACCESS_CHECK - printk(KERN_EMERG "Please turn on " + verbose_printk(KERN_EMERG "Please turn on " "CONFIG_ACCESS_CHECK\n"); #endif panic("Kernel exception"); } else { +#ifdef CONFIG_VERBOSE_DEBUG + unsigned long *stack; /* Dump the user space stack */ stack = (unsigned long *)rdusp(); - printk(KERN_NOTICE "Userspace Stack\n"); + verbose_printk(KERN_NOTICE "Userspace Stack\n"); show_stack(NULL, stack); +#endif } } @@ -582,7 +598,7 @@ asmlinkage void trap_c(struct pt_regs *fp) * Similar to get_user, do some address checking, then dereference * Return true on sucess, false on bad address */ -bool get_instruction(unsigned short *val, unsigned short *address) +static bool get_instruction(unsigned short *val, unsigned short *address) { unsigned long addr; @@ -643,45 +659,48 @@ bool get_instruction(unsigned short *val, unsigned short *address) * These are the normal instructions which cause change of flow, which * would be at the source of the trace buffer */ -void decode_instruction(unsigned short *address) +#ifdef CONFIG_DEBUG_VERBOSE +static void decode_instruction(unsigned short *address) { unsigned short opcode; if (get_instruction(&opcode, address)) { if (opcode == 0x0010) - printk("RTS"); + verbose_printk("RTS"); else if (opcode == 0x0011) - printk("RTI"); + verbose_printk("RTI"); else if (opcode == 0x0012) - printk("RTX"); + verbose_printk("RTX"); else if (opcode >= 0x0050 && opcode <= 0x0057) - printk("JUMP (P%i)", opcode & 7); + verbose_printk("JUMP (P%i)", opcode & 7); else if (opcode >= 0x0060 && opcode <= 0x0067) - printk("CALL (P%i)", opcode & 7); + verbose_printk("CALL (P%i)", opcode & 7); else if (opcode >= 0x0070 && opcode <= 0x0077) - printk("CALL (PC+P%i)", opcode & 7); + verbose_printk("CALL (PC+P%i)", opcode & 7); else if (opcode >= 0x0080 && opcode <= 0x0087) - printk("JUMP (PC+P%i)", opcode & 7); + verbose_printk("JUMP (PC+P%i)", opcode & 7); else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF)) - printk("IF !CC JUMP"); + verbose_printk("IF !CC JUMP"); else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff)) - printk("IF CC JUMP"); + verbose_printk("IF CC JUMP"); else if (opcode >= 0x2000 && opcode <= 0x2fff) - printk("JUMP.S"); + verbose_printk("JUMP.S"); else if (opcode >= 0xe080 && opcode <= 0xe0ff) - printk("LSETUP"); + verbose_printk("LSETUP"); else if (opcode >= 0xe200 && opcode <= 0xe2ff) - printk("JUMP.L"); + verbose_printk("JUMP.L"); else if (opcode >= 0xe300 && opcode <= 0xe3ff) - printk("CALL pcrel"); + verbose_printk("CALL pcrel"); else - printk("0x%04x", opcode); + verbose_printk("0x%04x", opcode); } } +#endif void dump_bfin_trace_buffer(void) { +#ifdef CONFIG_DEBUG_VERBOSE #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int tflags, i = 0; char buf[150]; @@ -737,6 +756,7 @@ void dump_bfin_trace_buffer(void) trace_buffer_restore(tflags); #endif +#endif } EXPORT_SYMBOL(dump_bfin_trace_buffer); @@ -744,7 +764,7 @@ EXPORT_SYMBOL(dump_bfin_trace_buffer); * Checks to see if the address pointed to is either a * 16-bit CALL instruction, or a 32-bit CALL instruction */ -bool is_bfin_call(unsigned short *addr) +static bool is_bfin_call(unsigned short *addr) { unsigned short opcode = 0, *ins_addr; ins_addr = (unsigned short *)addr; @@ -766,8 +786,10 @@ bool is_bfin_call(unsigned short *addr) return false; } + void show_stack(struct task_struct *task, unsigned long *stack) { +#ifdef CONFIG_PRINTK unsigned int *addr, *endstack, *fp = 0, *frame; unsigned short *ins_addr; char buf[150]; @@ -792,8 +814,10 @@ void show_stack(struct task_struct *task, unsigned long *stack) } else endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); + printk(KERN_NOTICE "Stack info:\n"); decode_address(buf, (unsigned int)stack); - printk(KERN_NOTICE "Stack info:\n" KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + addr = (unsigned int *)((unsigned int)stack & ~0x3F); /* First thing is to look for a frame pointer */ @@ -884,7 +908,7 @@ void show_stack(struct task_struct *task, unsigned long *stack) if (!j) printk("\n"); } - +#endif } void dump_stack(void) @@ -902,38 +926,39 @@ EXPORT_SYMBOL(dump_stack); void dump_bfin_process(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE /* We should be able to look at fp->ipend, but we don't push it on the * stack all the time, so do this until we fix that */ unsigned int context = bfin_read_IPEND(); if (oops_in_progress) - printk(KERN_EMERG "Kernel OOPS in progress\n"); + verbose_printk(KERN_EMERG "Kernel OOPS in progress\n"); if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) - printk(KERN_NOTICE "HW Error context\n"); + verbose_printk(KERN_NOTICE "HW Error context\n"); else if (context & 0x0020) - printk(KERN_NOTICE "Deferred Exception context\n"); + verbose_printk(KERN_NOTICE "Deferred Exception context\n"); else if (context & 0x3FC0) - printk(KERN_NOTICE "Interrupt context\n"); + verbose_printk(KERN_NOTICE "Interrupt context\n"); else if (context & 0x4000) - printk(KERN_NOTICE "Deferred Interrupt context\n"); + verbose_printk(KERN_NOTICE "Deferred Interrupt context\n"); else if (context & 0x8000) - printk(KERN_NOTICE "Kernel process context\n"); + verbose_printk(KERN_NOTICE "Kernel process context\n"); /* Because we are crashing, and pointers could be bad, we check things * pretty closely before we use them */ if ((unsigned long)current >= FIXED_CODE_START && !((unsigned long)current & 0x3) && current->pid) { - printk(KERN_NOTICE "CURRENT PROCESS:\n"); + verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n"); if (current->comm >= (char *)FIXED_CODE_START) - printk(KERN_NOTICE "COMM=%s PID=%d\n", + verbose_printk(KERN_NOTICE "COMM=%s PID=%d\n", current->comm, current->pid); else - printk(KERN_NOTICE "COMM= invalid\n"); + verbose_printk(KERN_NOTICE "COMM= invalid\n"); if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START) - printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" + verbose_printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" KERN_NOTICE " BSS = 0x%p-0x%p USER-STACK = 0x%p\n" KERN_NOTICE "\n", (void *)current->mm->start_code, @@ -944,26 +969,28 @@ void dump_bfin_process(struct pt_regs *fp) (void *)current->mm->brk, (void *)current->mm->start_stack); else - printk(KERN_NOTICE "invalid mm\n"); + verbose_printk(KERN_NOTICE "invalid mm\n"); } else - printk(KERN_NOTICE "\n" KERN_NOTICE + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "No Valid process in current context\n"); +#endif } void dump_bfin_mem(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE unsigned short *addr, *erraddr, val = 0, err = 0; char sti = 0, buf[6]; erraddr = (void *)fp->pc; - printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); + verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10; addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10; addr++) { if (!((unsigned long)addr & 0xF)) - printk("\n" KERN_NOTICE "0x%p: ", addr); + verbose_printk("\n" KERN_NOTICE "0x%p: ", addr); if (!get_instruction(&val, addr)) { val = 0; @@ -972,10 +999,10 @@ void dump_bfin_mem(struct pt_regs *fp) sprintf(buf, "%04x", val); if (addr == erraddr) { - printk("[%s]", buf); + verbose_printk("[%s]", buf); err = val; } else - printk(" %s ", buf); + verbose_printk(" %s ", buf); /* Do any previous instructions turn on interrupts? */ if (addr <= erraddr && /* in the past */ @@ -984,14 +1011,14 @@ void dump_bfin_mem(struct pt_regs *fp) sti = 1; } - printk("\n"); + verbose_printk("\n"); /* Hardware error interrupts can be deferred */ if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR && oops_in_progress)){ - printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); + verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); #ifndef CONFIG_DEBUG_HWERR - printk(KERN_NOTICE "The remaining message may be meaningless\n" + verbose_printk(KERN_NOTICE "The remaining message may be meaningless\n" KERN_NOTICE "You should enable CONFIG_DEBUG_HWERR to get a" " better idea where it came from\n"); #else @@ -1005,45 +1032,47 @@ void dump_bfin_mem(struct pt_regs *fp) /* And the last RETI points to the current userspace context */ if ((fp + 1)->pc >= current->mm->start_code && (fp + 1)->pc <= current->mm->end_code) { - printk(KERN_NOTICE "It might be better to look around here : \n"); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "It might be better to look around here : \n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); show_regs(fp + 1); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); } } #endif } +#endif } void show_regs(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE char buf [150]; struct irqaction *action; unsigned int i; unsigned long flags; - printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); - printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); + verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", (long)fp->seqstat, fp->ipend, fp->syscfg); if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { - printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", + verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); #ifdef EBIU_ERRMST /* If the error was from the EBIU, print it out */ if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { - printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", + verbose_printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", bfin_read_EBIU_ERRMST()); - printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", + verbose_printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", bfin_read_EBIU_ERRADD()); } #endif } - printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", + verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); for (i = 6; i <= 15 ; i++) { if (fp->ipend & (1 << i)) { decode_address(buf, bfin_read32(EVT0 + 4*i)); - printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); + verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); } } @@ -1056,64 +1085,65 @@ void show_regs(struct pt_regs *fp) goto unlock; decode_address(buf, (unsigned int)action->handler); - printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); + verbose_printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); for (action = action->next; action; action = action->next) { decode_address(buf, (unsigned int)action->handler); - printk(", %s", buf); + verbose_printk(", %s", buf); } - printk("\n"); + verbose_printk("\n"); unlock: spin_unlock_irqrestore(&irq_desc[i].lock, flags); } } decode_address(buf, fp->rete); - printk(KERN_NOTICE " RETE: %s\n", buf); + verbose_printk(KERN_NOTICE " RETE: %s\n", buf); decode_address(buf, fp->retn); - printk(KERN_NOTICE " RETN: %s\n", buf); + verbose_printk(KERN_NOTICE " RETN: %s\n", buf); decode_address(buf, fp->retx); - printk(KERN_NOTICE " RETX: %s\n", buf); + verbose_printk(KERN_NOTICE " RETX: %s\n", buf); decode_address(buf, fp->rets); - printk(KERN_NOTICE " RETS: %s\n", buf); + verbose_printk(KERN_NOTICE " RETS: %s\n", buf); decode_address(buf, fp->pc); - printk(KERN_NOTICE " PC : %s\n", buf); + verbose_printk(KERN_NOTICE " PC : %s\n", buf); if (((long)fp->seqstat & SEQSTAT_EXCAUSE) && (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) { decode_address(buf, saved_dcplb_fault_addr); - printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); decode_address(buf, saved_icplb_fault_addr); - printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); } - printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); - printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); + verbose_printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", fp->r0, fp->r1, fp->r2, fp->r3); - printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", + verbose_printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", fp->r4, fp->r5, fp->r6, fp->r7); - printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", + verbose_printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", fp->p0, fp->p1, fp->p2, fp->p3); - printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", + verbose_printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", fp->p4, fp->p5, fp->fp, (long)fp); - printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", + verbose_printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0, fp->lc0); - printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", + verbose_printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1, fp->lc1); - printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", + verbose_printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", fp->b0, fp->l0, fp->m0, fp->i0); - printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", + verbose_printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", fp->b1, fp->l1, fp->m1, fp->i1); - printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", + verbose_printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", fp->b2, fp->l2, fp->m2, fp->i2); - printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", + verbose_printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", fp->b3, fp->l3, fp->m3, fp->i3); - printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", + verbose_printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", fp->a0w, fp->a0x, fp->a1w, fp->a1x); - printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", + verbose_printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", rdusp(), fp->astat); - printk(KERN_NOTICE "\n"); + verbose_printk(KERN_NOTICE "\n"); +#endif } #ifdef CONFIG_SYS_BFIN_SPINLOCK_L1 -- GitLab From f5623a3cf27284f5121296dec847a8f75e5d0691 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:51:15 +0800 Subject: [PATCH 3371/6244] Blackfin arch: update board defconfigs Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/configs/H8606_defconfig | 36 ++++++++++++++++----------- 1 file changed, 22 insertions(+), 14 deletions(-) diff --git a/arch/blackfin/configs/H8606_defconfig b/arch/blackfin/configs/H8606_defconfig index ba0bee90b7e1..1fc31f1b762b 100644 --- a/arch/blackfin/configs/H8606_defconfig +++ b/arch/blackfin/configs/H8606_defconfig @@ -1,6 +1,6 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22.12 +# Linux kernel version: 2.6.22.14 # # CONFIG_MMU is not set # CONFIG_FPU is not set @@ -192,7 +192,7 @@ CONFIG_CLKIN_HZ=25000000 # CONFIG_BFIN_KERNEL_CLOCK is not set CONFIG_MAX_VCO_HZ=400000000 CONFIG_MIN_VCO_HZ=50000000 -CONFIG_MAX_SCLK_HZ=133000000 +CONFIG_MAX_SCLK_HZ=133333333 CONFIG_MIN_SCLK_HZ=27000000 # @@ -516,7 +516,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y # # CONFIG_MTD_DATAFLASH is not set CONFIG_MTD_M25P80=y -CONFIG_M25PXX_USE_FAST_READ=y +# CONFIG_M25PXX_USE_FAST_READ is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -635,25 +635,25 @@ CONFIG_INPUT=y # CONFIG_INPUT_MOUSEDEV is not set # CONFIG_INPUT_JOYDEV is not set # CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=m +CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # -# CONFIG_INPUT_KEYBOARD is not set +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set -CONFIG_INPUT_MISC=y -# CONFIG_INPUT_ATI_REMOTE is not set -# CONFIG_INPUT_ATI_REMOTE2 is not set -# CONFIG_INPUT_KEYSPAN_REMOTE is not set -# CONFIG_INPUT_POWERMATE is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_INPUT_UINPUT is not set -# CONFIG_BF53X_PFBUTTONS is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports @@ -681,7 +681,15 @@ CONFIG_BFIN_TIMER_LATENCY=y # # Serial drivers # -# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_CONSOLE is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set # # Non-8250 serial port support -- GitLab From 6d0b8c993dc0a26fe7a9ee8b839d1964bd0debd4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 18:05:02 +0800 Subject: [PATCH 3372/6244] Blackfin arch: remove non-bf54x ifdef logic since this file is only compiled on bf54x parts Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/head.S | 49 +++------------------------------ 1 file changed, 4 insertions(+), 45 deletions(-) diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index 4d5cfeacb123..b0628164e5d9 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -73,25 +73,19 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* enable self refresh via SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; BITSET (R0, 3); -#else - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); -#endif [P2] = R0; SSYNC; -#if defined(CONFIG_BF54x) + + /* wait for SRACK bit to be set */ .LSRR_MODE: R0 = [P2]; CC = BITTST(R0, 4); if !CC JUMP .LSRR_MODE; -#endif r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ r0 = r0 << 9; /* Shift it over, */ @@ -123,7 +117,7 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* disable self refresh by clearing SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; @@ -155,41 +149,6 @@ ENTRY(_start_dma_code) r0.h = hi(mem_DDRCTL2); [p0] = r0; ssync; -#else - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - p0.l = LO(EBIU_SDBCTL); - p0.h = HI(EBIU_SDBCTL); /* SDRAM Memory Bank Control Register */ - r0 = mem_SDBCTL; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; -#endif RTS; ENDPROC(_start_dma_code) -- GitLab From e482cad241c0b7108cbc94959307a73d19ba17d5 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Fri, 10 Oct 2008 18:21:45 +0800 Subject: [PATCH 3373/6244] Blackfin arch: print out error/warning if you are running on the incorrect CPU type Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/processor.h | 6 +++ arch/blackfin/kernel/setup.c | 43 ++++++++++++------- arch/blackfin/mach-bf527/include/mach/bf527.h | 19 +++++++- arch/blackfin/mach-bf533/include/mach/bf533.h | 10 ++--- arch/blackfin/mach-bf537/include/mach/bf537.h | 10 ++--- arch/blackfin/mach-bf548/include/mach/bf548.h | 23 +++++----- arch/blackfin/mach-bf561/include/mach/bf561.h | 6 +-- 7 files changed, 76 insertions(+), 41 deletions(-) diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 6f3995b119d8..e3e9b41fa8db 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -134,6 +134,12 @@ static inline uint32_t __pure bfin_revid(void) return revid; } +static inline uint16_t __pure bfin_cpuid(void) +{ + return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12; + +} + static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 4267523912bd..74370f3707b9 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -813,17 +813,23 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Compiled for ADSP-%s Rev none\n", CPU); else printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid()); - if (bfin_revid() != bfin_compiled_revid()) { - if (bfin_compiled_revid() == -1) - printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", - bfin_revid()); - else if (bfin_compiled_revid() != 0xffff) - printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", - bfin_compiled_revid(), bfin_revid()); + + if (unlikely(CPUID != bfin_cpuid())) + printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", + CPU, bfin_cpuid(), bfin_revid()); + else { + if (bfin_revid() != bfin_compiled_revid()) { + if (bfin_compiled_revid() == -1) + printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", + bfin_revid()); + else if (bfin_compiled_revid() != 0xffff) + printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", + bfin_compiled_revid(), bfin_revid()); + } + if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) + printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", + CPU, bfin_revid()); } - if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) - printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", - CPU, bfin_revid()); printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); @@ -997,13 +1003,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) } seq_printf(m, "processor\t: %d\n" - "vendor_id\t: %s\n" - "cpu family\t: 0x%x\n" - "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" - "stepping\t: %d\n", + "vendor_id\t: %s\n", *(unsigned int *)v, - vendor, - (bfin_read_CHIPID() & CHIPID_FAMILY), + vendor); + + if (CPUID == bfin_cpuid()) + seq_printf(m, "cpu family\t: 0x%04x\n", CPUID); + else + seq_printf(m, "cpu family\t: Compiled for:0x%04x, running on:0x%04x\n", + CPUID, bfin_cpuid()); + + seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" + "stepping\t: %d\n", cpu, cclk/1000000, sclk/1000000, #ifdef CONFIG_MPU "mpu on", diff --git a/arch/blackfin/mach-bf527/include/mach/bf527.h b/arch/blackfin/mach-bf527/include/mach/bf527.h index 330041fde546..144f08d3f8ea 100644 --- a/arch/blackfin/mach-bf527/include/mach/bf527.h +++ b/arch/blackfin/mach-bf527/include/mach/bf527.h @@ -110,16 +110,31 @@ #ifdef CONFIG_BF527 #define CPU "BF527" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF526 +#define CPU "BF526" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF525 #define CPU "BF525" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF524 +#define CPU "BF524" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF523 +#define CPU "BF523" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF522 #define CPU "BF522" +#define CPUID 0x27e4 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF527_H__ */ diff --git a/arch/blackfin/mach-bf533/include/mach/bf533.h b/arch/blackfin/mach-bf533/include/mach/bf533.h index 949801112303..dfc8c1ad2d7a 100644 --- a/arch/blackfin/mach-bf533/include/mach/bf533.h +++ b/arch/blackfin/mach-bf533/include/mach/bf533.h @@ -141,19 +141,19 @@ #ifdef CONFIG_BF533 #define CPU "BF533" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif #ifdef CONFIG_BF532 #define CPU "BF532" -#define CPUID 0x0275A000 +#define CPUID 0x275A #endif #ifdef CONFIG_BF531 #define CPU "BF531" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF533_H__ */ diff --git a/arch/blackfin/mach-bf537/include/mach/bf537.h b/arch/blackfin/mach-bf537/include/mach/bf537.h index 7a047e04e383..24d5c9d42323 100644 --- a/arch/blackfin/mach-bf537/include/mach/bf537.h +++ b/arch/blackfin/mach-bf537/include/mach/bf537.h @@ -121,19 +121,19 @@ #ifdef CONFIG_BF537 #define CPU "BF537" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF536 #define CPU "BF536" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF534 #define CPU "BF534" -#define CPUID 0x027c6000 +#define CPUID 0x27c6 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF537_H__ */ diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h index 14f8a7b84544..49f9b403d458 100644 --- a/arch/blackfin/mach-bf548/include/mach/bf548.h +++ b/arch/blackfin/mach-bf548/include/mach/bf548.h @@ -106,20 +106,23 @@ #if defined(CONFIG_BF542) # define CPU "BF542" -# define CPUID 0x027c8000 +# define CPUID 0x27de #elif defined(CONFIG_BF544) -# define CPU "BF544" -# define CPUID 0x027c8000 +# define CPU "BF544" +# define CPUID 0x27de #elif defined(CONFIG_BF547) -# define CPU "BF547" +# define CPU "BF547" +# define CPUID 0x27de #elif defined(CONFIG_BF548) -# define CPU "BF548" -# define CPUID 0x027c6000 +# define CPU "BF548" +# define CPUID 0x27de #elif defined(CONFIG_BF549) -# define CPU "BF549" -#else -# define CPU "UNKNOWN" -# define CPUID 0x0 +# define CPU "BF549" +# define CPUID 0x27de +#endif + +#ifndef CPU +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF48_H__ */ diff --git a/arch/blackfin/mach-bf561/include/mach/bf561.h b/arch/blackfin/mach-bf561/include/mach/bf561.h index 7787caad3555..18b1b3a223ab 100644 --- a/arch/blackfin/mach-bf561/include/mach/bf561.h +++ b/arch/blackfin/mach-bf561/include/mach/bf561.h @@ -211,11 +211,11 @@ #ifdef CONFIG_BF561 #define CPU "BF561" -#define CPUID 0x027bb000 +#define CPUID 0x27bb #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF561_H__ */ -- GitLab From 9a6f5ae1f1f3c37aad938a1c82db248a3f95a629 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 18:57:21 +0800 Subject: [PATCH 3374/6244] Blackfin arch: bfin_reset() is an internal reboot function ... everyone should go through machine_restart() Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 1 - arch/blackfin/kernel/reboot.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index f842ea3bfc19..56dcb0a2d244 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -63,7 +63,6 @@ extern void bfin_dcache_init(void); extern void init_exception_vectors(void); extern void program_IAR(void); -extern void bfin_reset(void); extern asmlinkage void lower_to_irq14(void); extern asmlinkage void bfin_return_from_exception(void); extern asmlinkage void evt14_softirq(void); diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index b0a8f89cc9b6..d0ead640d992 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -20,7 +20,7 @@ * the core reset. */ __attribute__((l1_text)) -void bfin_reset(void) +static void bfin_reset(void) { /* Wait for completion of "system" events such as cache line * line fills so that we avoid infinite stalls later on as -- GitLab From 5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Fri, 10 Oct 2008 11:27:38 +0100 Subject: [PATCH 3375/6244] xen: do not reserve 2 pages of padding between hypervisor and fixmap. When reserving space for the hypervisor the Xen paravirt backend adds an extra two pages (this was carried forward from the 2.6.18-xen tree which had them "for safety"). Depending on various CONFIG options this can cause the boot time fixmaps to span multiple PMDs which is not supported and triggers a WARN in early_ioremap_init(). This was exposed by 2216d199b1430d1c0affb1498a9ebdbd9c0de439 which moved the dmi table parsing earlier. x86: fix CONFIG_X86_RESERVE_LOW_64K=y The bad_bios_dmi_table() quirk never triggered because we do DMI setup too late. Move it a bit earlier. There is no real reason to reserve these two extra pages and the fixmap already incorporates FIX_HOLE which serves the same purpose. None of the other callers of reserve_top_address do this. Signed-off-by: Ian Campbell Signed-off-by: Ingo Molnar --- arch/x86/xen/enlighten.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 85692c9f6496..977a54255fb4 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1370,7 +1370,7 @@ static void __init xen_reserve_top(void) if (HYPERVISOR_xen_version(XENVER_platform_parameters, &pp) == 0) top = pp.virt_start; - reserve_top_address(-top + 2 * PAGE_SIZE); + reserve_top_address(-top); #endif /* CONFIG_X86_32 */ } -- GitLab From fedb7569100ac858bea7954d82c74e5561bf2c03 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Tue, 23 Sep 2008 21:46:30 -0400 Subject: [PATCH 3376/6244] ALSA: hda: use last DAC defined for hp_pin Patch allows the last DAC in the dac_nids for the hp_nid if there is an available one this isn't in use by a line_out entry or if hp_nid isn't already defined. This solves the issues with the 'Headphone Playback' mixer controls on the 92hd73xxx branch and possibly others. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index bd0d6f8ab430..6e0a18bca23b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2817,6 +2817,10 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, } } + if ((spec->multiout.num_dacs - cfg->line_outs) > 0 && + cfg->hp_outs && !spec->multiout.hp_nid) + spec->multiout.hp_nid = nid; + if (cfg->hp_outs > 1) { err = stac92xx_add_control(spec, STAC_CTL_WIDGET_HP_SWITCH, @@ -4083,8 +4087,6 @@ again: case STAC_DELL_M6: spec->init = dell_eq_core_init; spec->num_smuxes = 0; - spec->multiout.hp_nid = - spec->multiout.dac_nids[spec->multiout.num_dacs - 1]; spec->mixer = &stac92hd73xx_6ch_mixer[DELL_M6_MIXER]; spec->amp_nids = &stac92hd73xx_amp_nids[DELL_M6_AMP]; spec->num_amps = 1; -- GitLab From a99606d25eb6981e13d332e18774e203ded66709 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 24 Sep 2008 09:44:18 +0200 Subject: [PATCH 3377/6244] ALSA: Remove bitwise from snd_pcm_hw_param_t We have some arithmetic operations against snd_pcm_hw_param_t, thus bitwise isn't correct for it. Better to remove the flag to shut up sparse warnings. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/asound.h | 44 ++++++++++++++++++++++++++---------------- 1 file changed, 27 insertions(+), 17 deletions(-) diff --git a/include/sound/asound.h b/include/sound/asound.h index ca2f3582664d..1196e3d51946 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -297,29 +297,39 @@ struct snd_pcm_info { unsigned char reserved[64]; /* reserved for future... */ }; -typedef int __bitwise snd_pcm_hw_param_t; -#define SNDRV_PCM_HW_PARAM_ACCESS ((__force snd_pcm_hw_param_t) 0) /* Access type */ -#define SNDRV_PCM_HW_PARAM_FORMAT ((__force snd_pcm_hw_param_t) 1) /* Format */ -#define SNDRV_PCM_HW_PARAM_SUBFORMAT ((__force snd_pcm_hw_param_t) 2) /* Subformat */ +typedef int snd_pcm_hw_param_t; +#define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ +#define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ +#define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT -#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS ((__force snd_pcm_hw_param_t) 8) /* Bits per sample */ -#define SNDRV_PCM_HW_PARAM_FRAME_BITS ((__force snd_pcm_hw_param_t) 9) /* Bits per frame */ -#define SNDRV_PCM_HW_PARAM_CHANNELS ((__force snd_pcm_hw_param_t) 10) /* Channels */ -#define SNDRV_PCM_HW_PARAM_RATE ((__force snd_pcm_hw_param_t) 11) /* Approx rate */ -#define SNDRV_PCM_HW_PARAM_PERIOD_TIME ((__force snd_pcm_hw_param_t) 12) /* Approx distance between interrupts in us */ -#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE ((__force snd_pcm_hw_param_t) 13) /* Approx frames between interrupts */ -#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES ((__force snd_pcm_hw_param_t) 14) /* Approx bytes between interrupts */ -#define SNDRV_PCM_HW_PARAM_PERIODS ((__force snd_pcm_hw_param_t) 15) /* Approx interrupts per buffer */ -#define SNDRV_PCM_HW_PARAM_BUFFER_TIME ((__force snd_pcm_hw_param_t) 16) /* Approx duration of buffer in us */ -#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE ((__force snd_pcm_hw_param_t) 17) /* Size of buffer in frames */ -#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES ((__force snd_pcm_hw_param_t) 18) /* Size of buffer in bytes */ -#define SNDRV_PCM_HW_PARAM_TICK_TIME ((__force snd_pcm_hw_param_t) 19) /* Approx tick duration in us */ +#define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ +#define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ +#define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ +#define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ +#define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between + * interrupts in us + */ +#define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between + * interrupts + */ +#define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between + * interrupts + */ +#define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per + * buffer + */ +#define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer + * in us + */ +#define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ +#define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ +#define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME -#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ +#define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ struct snd_interval { unsigned int min, max; -- GitLab From 37c34ffb3a9a6051236a4ee1acb7752bcc3f50fd Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 24 Sep 2008 09:59:44 +0200 Subject: [PATCH 3378/6244] ALSA: intel8x0 - Add quirk for Fujitsu Lifebook P7010 Fujitsu Lifebook P7010 requires ac97_quirk=hp_only. http://bugzilla.kernel.org/show_bug.cgi?id=9100 Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/intel8x0.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index f7b4d0c5d49d..c88d1eace1c4 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -1961,6 +1961,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = { .name = "Fujitsu S6210", /* STAC9750/51 */ .type = AC97_TUNE_HP_ONLY }, + { + .subvendor = 0x10cf, + .subdevice = 0x127d, + .name = "Fujitsu Lifebook P7010", + .type = AC97_TUNE_HP_ONLY + }, { .subvendor = 0x10cf, .subdevice = 0x127e, -- GitLab From ddc0f38a62083a552d6acb792d9ce513cf4081df Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Thu, 25 Sep 2008 09:17:11 -0400 Subject: [PATCH 3379/6244] ALSA: hda: slave_dig_outs code block in wrong location Removed invalid references to slave_dig_outs inside the S/PDIF IN capture switch control. Beforehand this was basically a mute switch for the S/PDIF outs as well. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index c742e101d91e..cb9aae5e9ca5 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1652,15 +1652,9 @@ static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, mutex_lock(&codec->spdif_mutex); change = codec->spdif_in_enable != val; if (change) { - hda_nid_t *d; codec->spdif_in_enable = val; snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val); - - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - snd_hda_codec_write_cache(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_1, val); } mutex_unlock(&codec->spdif_mutex); return change; -- GitLab From 2f72853ca1ee1571377996471d05db51eb7c54c4 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 25 Sep 2008 16:32:41 +0200 Subject: [PATCH 3380/6244] ALSA: hda - Fix / clean-up slave digital out codes The recent slave_dig_out addition has some rooms to clean up. Also it doesn't call snd_hda_cleanup_stream() properly for slaves at closing. The patch fixes both issues. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 115 +++++++++++++++++--------------------- 1 file changed, 50 insertions(+), 65 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index cb9aae5e9ca5..94ea6543440e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1426,6 +1426,29 @@ static unsigned int convert_to_spdif_status(unsigned short val) return sbits; } +/* set digital convert verbs both for the given NID and its slaves */ +static void set_dig_out(struct hda_codec *codec, hda_nid_t nid, + int verb, int val) +{ + hda_nid_t *d; + + snd_hda_codec_write(codec, nid, 0, verb, val); + d = codec->slave_dig_outs; + if (!d) + return; + for (; *d; d++) + snd_hda_codec_write(codec, *d, 0, verb, val); +} + +static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid, + int dig1, int dig2) +{ + if (dig1 != -1) + set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1); + if (dig2 != -1) + set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2); +} + static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -1444,25 +1467,8 @@ static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, change = codec->spdif_ctls != val; codec->spdif_ctls = val; - if (change) { - hda_nid_t *d; - snd_hda_codec_write_cache(codec, nid, 0, - AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); - snd_hda_codec_write_cache(codec, nid, 0, - AC_VERB_SET_DIGI_CONVERT_2, - val >> 8); - - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) { - snd_hda_codec_write_cache(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); - snd_hda_codec_write_cache(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_2, - val >> 8); - } - } + if (change) + set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff); mutex_unlock(&codec->spdif_mutex); return change; @@ -1493,17 +1499,8 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, val |= AC_DIG1_ENABLE; change = codec->spdif_ctls != val; if (change) { - hda_nid_t *d; codec->spdif_ctls = val; - snd_hda_codec_write_cache(codec, nid, 0, - AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); - - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - snd_hda_codec_write_cache(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); + set_dig_out_convert(codec, nid, val & 0xff, -1); /* unmute amp switch (if any) */ if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && (val & AC_DIG1_ENABLE)) @@ -2598,32 +2595,32 @@ int snd_hda_input_mux_put(struct hda_codec *codec, static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, unsigned int stream_tag, unsigned int format) { - hda_nid_t *d; - /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ - if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) { - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, - codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); - - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - snd_hda_codec_write(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_1, - codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); - } + if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) + set_dig_out_convert(codec, nid, + codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff, + -1); snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); + if (codec->slave_dig_outs) { + hda_nid_t *d; + for (d = codec->slave_dig_outs; *d; d++) + snd_hda_codec_setup_stream(codec, *d, stream_tag, 0, + format); + } /* turn on again (if needed) */ - if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) { - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, - codec->spdif_ctls & 0xff); + if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) + set_dig_out_convert(codec, nid, + codec->spdif_ctls & 0xff, -1); +} - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - snd_hda_codec_write(codec, *d, 0, - AC_VERB_SET_DIGI_CONVERT_1, - codec->spdif_ctls & 0xff); +static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid) +{ + snd_hda_codec_cleanup_stream(codec, nid); + if (codec->slave_dig_outs) { + hda_nid_t *d; + for (d = codec->slave_dig_outs; *d; d++) + snd_hda_codec_cleanup_stream(codec, *d); } - } /* @@ -2635,7 +2632,7 @@ int snd_hda_multi_out_dig_open(struct hda_codec *codec, mutex_lock(&codec->spdif_mutex); if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) /* already opened as analog dup; reset it once */ - snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); + cleanup_dig_out_stream(codec, mout->dig_out_nid); mout->dig_out_used = HDA_DIG_EXCLUSIVE; mutex_unlock(&codec->spdif_mutex); return 0; @@ -2647,12 +2644,8 @@ int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, unsigned int format, struct snd_pcm_substream *substream) { - hda_nid_t *nid; mutex_lock(&codec->spdif_mutex); setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); - if (codec->slave_dig_outs) - for (nid = codec->slave_dig_outs; *nid; nid++) - setup_dig_out_stream(codec, *nid, stream_tag, format); mutex_unlock(&codec->spdif_mutex); return 0; } @@ -2719,7 +2712,6 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct snd_pcm_substream *substream) { hda_nid_t *nids = mout->dac_nids; - hda_nid_t *d; int chs = substream->runtime->channels; int i; @@ -2733,16 +2725,9 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, mout->dig_out_used = HDA_DIG_ANALOG_DUP; setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - setup_dig_out_stream(codec, *d, - stream_tag, format); } else { mout->dig_out_used = 0; - snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); - if (codec->slave_dig_outs) - for (d = codec->slave_dig_outs; *d; d++) - snd_hda_codec_cleanup_stream(codec, *d); + cleanup_dig_out_stream(codec, mout->dig_out_nid); } } mutex_unlock(&codec->spdif_mutex); @@ -2793,7 +2778,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, mout->extra_out_nid[i]); mutex_lock(&codec->spdif_mutex); if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { - snd_hda_codec_cleanup_stream(codec, mout->dig_out_nid); + cleanup_dig_out_stream(codec, mout->dig_out_nid); mout->dig_out_used = 0; } mutex_unlock(&codec->spdif_mutex); -- GitLab From 9a10eb21e1e1c389a8cea3016157a7f471512645 Mon Sep 17 00:00:00 2001 From: Wei Ni Date: Fri, 26 Sep 2008 13:45:46 +0800 Subject: [PATCH 3381/6244] ALSA: Support NVIDIA MCP78/7A HDMI audio Add NVIDIA HDMI HD-audio codec support in snd-hda-intel driver, include NVIDIA MCP78/7A HDMI. Signed-off-by: Wei Ni Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/Kconfig | 8 ++ sound/pci/hda/Makefile | 1 + sound/pci/hda/hda_codec.c | 3 + sound/pci/hda/hda_patch.h | 2 + sound/pci/hda/patch_nvhdmi.c | 164 +++++++++++++++++++++++++++++++++++ 5 files changed, 178 insertions(+) create mode 100644 sound/pci/hda/patch_nvhdmi.c diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 1f8b7966a839..7003711f4fcc 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -565,6 +565,14 @@ config SND_HDA_CODEC_ATIHDMI Say Y here to include ATI HDMI HD-audio codec support in snd-hda-intel driver, such as ATI RS600 HDMI. +config SND_HDA_CODEC_NVHDMI + bool "Build NVIDIA HDMI HD-audio codec support" + depends on SND_HDA_INTEL + default y + help + Say Y here to include NVIDIA HDMI HD-audio codec support in + snd-hda-intel driver, such as NVIDIA MCP78 HDMI. + config SND_HDA_CODEC_CONEXANT bool "Build Conexant HD-audio codec support" depends on SND_HDA_INTEL diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile index 6db92fd954d9..1980c6d207e7 100644 --- a/sound/pci/hda/Makefile +++ b/sound/pci/hda/Makefile @@ -15,5 +15,6 @@ snd-hda-intel-$(CONFIG_SND_HDA_CODEC_SI3054) += patch_si3054.o snd-hda-intel-$(CONFIG_SND_HDA_CODEC_ATIHDMI) += patch_atihdmi.o snd-hda-intel-$(CONFIG_SND_HDA_CODEC_CONEXANT) += patch_conexant.o snd-hda-intel-$(CONFIG_SND_HDA_CODEC_VIA) += patch_via.o +snd-hda-intel-$(CONFIG_SND_HDA_CODEC_NVHDMI) += patch_nvhdmi.o obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-intel.o diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 94ea6543440e..fdb6d559f5dd 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -93,6 +93,9 @@ static const struct hda_codec_preset *hda_preset_tables[] = { #endif #ifdef CONFIG_SND_HDA_CODEC_VIA snd_hda_preset_via, +#endif +#ifdef CONFIG_SND_HDA_CODEC_NVHDMI + snd_hda_preset_nvhdmi, #endif NULL }; diff --git a/sound/pci/hda/hda_patch.h b/sound/pci/hda/hda_patch.h index 2fdf2358dbc2..dfbcfa88da44 100644 --- a/sound/pci/hda/hda_patch.h +++ b/sound/pci/hda/hda_patch.h @@ -18,3 +18,5 @@ extern struct hda_codec_preset snd_hda_preset_atihdmi[]; extern struct hda_codec_preset snd_hda_preset_conexant[]; /* VIA codecs */ extern struct hda_codec_preset snd_hda_preset_via[]; +/* NVIDIA HDMI codecs */ +extern struct hda_codec_preset snd_hda_preset_nvhdmi[]; diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c new file mode 100644 index 000000000000..1a65775d28e1 --- /dev/null +++ b/sound/pci/hda/patch_nvhdmi.c @@ -0,0 +1,164 @@ +/* + * Universal Interface for Intel High Definition Audio Codec + * + * HD audio interface patch for NVIDIA HDMI codecs + * + * Copyright (c) 2008 NVIDIA Corp. All rights reserved. + * Copyright (c) 2008 Wei Ni + * + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include "hda_codec.h" +#include "hda_local.h" + +struct nvhdmi_spec { + struct hda_multi_out multiout; + + struct hda_pcm pcm_rec; +}; + +static struct hda_verb nvhdmi_basic_init[] = { + /* enable digital output on pin widget */ + { 0x05, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT }, + {} /* terminator */ +}; + +/* + * Controls + */ +static int nvhdmi_build_controls(struct hda_codec *codec) +{ + struct nvhdmi_spec *spec = codec->spec; + int err; + + err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid); + if (err < 0) + return err; + + return 0; +} + +static int nvhdmi_init(struct hda_codec *codec) +{ + snd_hda_sequence_write(codec, nvhdmi_basic_init); + return 0; +} + +/* + * Digital out + */ +static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct nvhdmi_spec *spec = codec->spec; + return snd_hda_multi_out_dig_open(codec, &spec->multiout); +} + +static int nvhdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + struct snd_pcm_substream *substream) +{ + struct nvhdmi_spec *spec = codec->spec; + return snd_hda_multi_out_dig_close(codec, &spec->multiout); +} + +static int nvhdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo, + struct hda_codec *codec, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + struct nvhdmi_spec *spec = codec->spec; + return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag, + format, substream); +} + +static struct hda_pcm_stream nvhdmi_pcm_digital_playback = { + .substreams = 1, + .channels_min = 2, + .channels_max = 2, + .nid = 0x4, /* NID to query formats and rates and setup streams */ + .rates = SNDRV_PCM_RATE_48000, + .maxbps = 16, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .ops = { + .open = nvhdmi_dig_playback_pcm_open, + .close = nvhdmi_dig_playback_pcm_close, + .prepare = nvhdmi_dig_playback_pcm_prepare + }, +}; + +static int nvhdmi_build_pcms(struct hda_codec *codec) +{ + struct nvhdmi_spec *spec = codec->spec; + struct hda_pcm *info = &spec->pcm_rec; + + codec->num_pcms = 1; + codec->pcm_info = info; + + info->name = "NVIDIA HDMI"; + info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback; + + return 0; +} + +static void nvhdmi_free(struct hda_codec *codec) +{ + kfree(codec->spec); +} + +static struct hda_codec_ops nvhdmi_patch_ops = { + .build_controls = nvhdmi_build_controls, + .build_pcms = nvhdmi_build_pcms, + .init = nvhdmi_init, + .free = nvhdmi_free, +}; + +static int patch_nvhdmi(struct hda_codec *codec) +{ + struct nvhdmi_spec *spec; + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (spec == NULL) + return -ENOMEM; + + codec->spec = spec; + + spec->multiout.num_dacs = 0; /* no analog */ + spec->multiout.max_channels = 2; + spec->multiout.dig_out_nid = 0x4; /* NID for copying analog to digital, + * seems to be unused in pure-digital + * case. */ + + codec->patch_ops = nvhdmi_patch_ops; + + return 0; +} + +/* + * patch entries + */ +struct hda_codec_preset snd_hda_preset_nvhdmi[] = { + { .id = 0x10de0002, .name = "NVIDIA MCP78 HDMI", .patch = patch_nvhdmi }, + { .id = 0x10de0007, .name = "NVIDIA MCP7A HDMI", .patch = patch_nvhdmi }, + {} /* terminator */ +}; -- GitLab From dc9c8e218da823008ce1572998902a4bdf46af37 Mon Sep 17 00:00:00 2001 From: Wei Ni Date: Fri, 26 Sep 2008 13:55:56 +0800 Subject: [PATCH 3382/6244] ALSA: Fix for reading RIRB buffer on NVIDIA aza controller with AMD Phenom cpu When read RIRB buffer immediately after RIRB interrupt received, sometimes the data will be "0x0". If we wait for some time, the data in buffer will be correct. This issue only occurred with AMD Phenom cpu. So we set this "needs_damn_long_delay" flag. Signed-off-by: Wei Ni Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_intel.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 60cc44abf58f..9f316c1b2790 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1220,6 +1220,9 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, if (err < 0) return err; + if (chip->driver_type == AZX_DRIVER_NVIDIA) + chip->bus->needs_damn_long_delay = 1; + codecs = audio_codecs = 0; max_slots = azx_max_codecs[chip->driver_type]; if (!max_slots) -- GitLab From 97c889a78b70f0ac0949967bf174d1a6a28bfb5c Mon Sep 17 00:00:00 2001 From: Eran Tromer Date: Fri, 26 Sep 2008 01:07:03 -0400 Subject: [PATCH 3383/6244] ALSA: usb-audio: add support for E-Mu Tracker Pre Add support for the E-Mu "Tracker Pre" USB sound card, following the example of the (very similar) E-Mu 0202 and E-Mu 0404 USB. As with the 0202 and 0404 USB, functionality is very limited: just a couple of sample rates, no volume/mute control, etc. Signed-off-by: Eran Tromer Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/usb/usbaudio.c | 3 ++- sound/usb/usbquirks.h | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index c5cf682c352f..8af12b680e12 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -484,7 +484,7 @@ static int retire_playback_sync_urb_hs(struct snd_usb_substream *subs, } /* - * process after E-Mu 0202/0404 high speed playback sync complete + * process after E-Mu 0202/0404/Tracker Pre high speed playback sync complete * * These devices return the number of samples per packet instead of the number * of samples per microframe. @@ -2264,6 +2264,7 @@ static void init_substream(struct snd_usb_stream *as, int stream, struct audiofo switch (as->chip->usb_id) { case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ + case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ subs->ops.retire_sync = retire_playback_sync_urb_hs_emu; break; } diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index 3f68359d4942..d96bf8b2b94b 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -62,6 +62,13 @@ .idProduct = 0x3f04, .bInterfaceClass = USB_CLASS_AUDIO, }, +{ + /* E-Mu Tracker Pre */ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x041e, + .idProduct = 0x3f0a, + .bInterfaceClass = USB_CLASS_AUDIO, +}, /* * Logitech QuickCam: bDeviceClass is vendor-specific, so generic interface -- GitLab From b2c4f4d71f7a161630681678cbba84bd695bfd1e Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 26 Sep 2008 10:06:40 -0400 Subject: [PATCH 3384/6244] ALSA: hda: 92xx S/PDIF In support Add support for S/PDIF IN on reference boards quirks. Also disable the IEC958 capture switch on boards with GPIO0 enabled. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 32 ++++++++++++++++++++------------ 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 6e0a18bca23b..2191735068e1 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1245,7 +1245,7 @@ static int stac92xx_build_controls(struct hda_codec *codec) return err; spec->multiout.share_spdif = 1; } - if (spec->dig_in_nid) { + if (spec->dig_in_nid && (!spec->gpio_dir & 0x01)) { err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid); if (err < 0) return err; @@ -4079,10 +4079,6 @@ again: memcpy(&spec->private_dimux, &stac92hd73xx_dmux, sizeof(stac92hd73xx_dmux)); - /* GPIO0 High = Enable EAPD */ - spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; - spec->gpio_data = 0x01; - switch (spec->board_config) { case STAC_DELL_M6: spec->init = dell_eq_core_init; @@ -4120,6 +4116,11 @@ again: spec->num_dmics = STAC92HD73XX_NUM_DMICS; spec->num_smuxes = ARRAY_SIZE(stac92hd73xx_smux_nids); } + if (spec->board_config > STAC_92HD73XX_REF) { + /* GPIO0 High = Enable EAPD */ + spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; + spec->gpio_data = 0x01; + } spec->dinput_mux = &spec->private_dimux; spec->num_pwrs = ARRAY_SIZE(stac92hd73xx_pwr_nids); @@ -4356,10 +4357,12 @@ again: spec->aloopback_mask = 0x20; spec->aloopback_shift = 0; - /* GPIO0 High = EAPD */ - spec->gpio_mask = 0x01; - spec->gpio_dir = 0x01; - spec->gpio_data = 0x01; + if (spec->board_config > STAC_92HD71BXX_REF) { + /* GPIO0 = EAPD */ + spec->gpio_mask = 0x01; + spec->gpio_dir = 0x01; + spec->gpio_data = 0x01; + } spec->powerdown_adcs = 1; spec->digbeep_nid = 0x26; @@ -4601,9 +4604,11 @@ static int patch_stac927x(struct hda_codec *codec) spec->num_dmuxes = ARRAY_SIZE(stac927x_dmux_nids); break; default: - /* GPIO0 High = Enable EAPD */ - spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; - spec->gpio_data = 0x01; + if (spec->board_config > STAC_D965_REF) { + /* GPIO0 High = Enable EAPD */ + spec->eapd_mask = spec->gpio_mask = 0x01; + spec->gpio_dir = spec->gpio_data = 0x01; + } spec->num_dmics = 0; spec->init = stac927x_core_init; @@ -4717,6 +4722,9 @@ static int patch_stac9205(struct hda_codec *codec) */ spec->gpio_data = 0x01; break; + case STAC_9205_REF: + /* SPDIF-In enabled */ + break; default: /* GPIO0 High = EAPD */ spec->eapd_mask = spec->gpio_mask = spec->gpio_dir = 0x1; -- GitLab From 9a9e2359f484402c620f9a3748037fea65fa5af4 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 26 Sep 2008 10:37:03 -0400 Subject: [PATCH 3385/6244] ALSA: hda: HP laptop quirk Added HP laptop SND_PCI_QUIRK for STAC_HP_M4. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 2191735068e1..f9b256388921 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1650,6 +1650,8 @@ static struct snd_pci_quirk stac92hd71bxx_cfg_tbl[] = { /* SigmaTel reference board */ SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x2668, "DFI LanParty", STAC_92HD71BXX_REF), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x361a, + "unknown HP", STAC_HP_M4), SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0233, "unknown Dell", STAC_DELL_M4_1), SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0234, -- GitLab From 71dc525c5d480397ac7343a0a2808f8a23705d42 Mon Sep 17 00:00:00 2001 From: Julien Brunel Date: Fri, 26 Sep 2008 15:23:46 +0200 Subject: [PATCH 3386/6244] ALSA: sound/soc/at32: Useless NULL test The test (ssc != NULL) can only be reached if the call to the function ssc_request, the result of which ssc is assigned, succeeds. Moreover, two statements assign NULL to ssc just before a return, which is useless since it is a local variable. So, we suggest to delete the test and the two assignments. A simplified version of the semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // @bad_null_test@ expression x,E; @@ x = ssc_request(...) ... when != x = E * x != NULL // Signed-off-by: Julien Brunel Signed-off-by: Julia Lawall Acked-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/at32/playpaq_wm8510.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/sound/soc/at32/playpaq_wm8510.c b/sound/soc/at32/playpaq_wm8510.c index 7e6560ba7510..98a2d5826a85 100644 --- a/sound/soc/at32/playpaq_wm8510.c +++ b/sound/soc/at32/playpaq_wm8510.c @@ -406,7 +406,6 @@ static int __init playpaq_asoc_init(void) ssc = ssc_request(0); if (IS_ERR(ssc)) { ret = PTR_ERR(ssc); - ssc = NULL; goto err_ssc; } ssc_p->ssc = ssc; @@ -477,10 +476,7 @@ err_pll0: _gclk0 = NULL; } err_gclk0: - if (ssc != NULL) { - ssc_free(ssc); - ssc = NULL; - } + ssc_free(ssc); err_ssc: return ret; } -- GitLab From cb55974cb461ff9c9c0675b2a8361d387212b64f Mon Sep 17 00:00:00 2001 From: Herton Ronaldo Krzesinski Date: Fri, 26 Sep 2008 23:47:45 -0300 Subject: [PATCH 3387/6244] ALSA: hda - Map ALC662 model for Gigabyte 945GCM-S2L Use 3stack-6ch-dig ALC662 model for Gigabyte 945GCM-S2L motherboard. Signed-off-by: Herton Ronaldo Krzesinski Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c2ff85dad500..8f1fe962fb5e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -15703,6 +15703,8 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x101e, "Lenovo", ALC662_LENOVO_101E), SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_ECS), SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_ECS), + SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte 945GCM-S2L", + ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1854, 0x2000, "ASUS H13-2000", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1854, 0x2001, "ASUS H13-2001", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1854, 0x2002, "ASUS H13-2002", ALC663_ASUS_H13), -- GitLab From 95fe5f2cec831d73ee93227810ab95d05ced3416 Mon Sep 17 00:00:00 2001 From: Herton Ronaldo Krzesinski Date: Fri, 26 Sep 2008 23:48:45 -0300 Subject: [PATCH 3388/6244] ALSA: hda - Map ALC662 model for Foxconn 45CMX/45GMX/45CMX-K Use 3stack-6ch-dig ALC662 model for Foxconn 45CMX/45GMX/45CMX-K motherboard. Signed-off-by: Herton Ronaldo Krzesinski Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8f1fe962fb5e..dedd51d55401 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -15700,6 +15700,8 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1833, "ASUS NB", ALC663_ASUS_MODE6), SND_PCI_QUIRK(0x1043, 0x1763, "ASUS NB", ALC663_ASUS_MODE6), SND_PCI_QUIRK(0x1043, 0x1765, "ASUS NB", ALC663_ASUS_MODE6), + SND_PCI_QUIRK(0x105b, 0x0d47, "Foxconn 45CMX/45GMX/45CMX-K", + ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x17aa, 0x101e, "Lenovo", ALC662_LENOVO_101E), SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_ECS), SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_ECS), -- GitLab From f3911c5ab93e4295938b2013104d2986ea601454 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Sat, 27 Sep 2008 09:13:45 +0200 Subject: [PATCH 3389/6244] ALSA: hda: appletv support The AppleTV needs the same handling as the 24" iMac. Signed-off-by: Peter Korsgaard Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index dedd51d55401..2ff617d066c3 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6656,6 +6656,7 @@ static int patch_alc882(struct hda_codec *codec) board_config = ALC885_MACPRO; break; case 0x106b1000: /* iMac 24 */ + case 0x106b2800: /* AppleTV */ board_config = ALC885_IMAC24; break; case 0x106b00a1: /* Macbook (might be wrong - PCI SSID?) */ -- GitLab From 00ef50c242f05381cd3fbf56bbda28155cbbb7c8 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Sat, 27 Sep 2008 18:13:47 -0400 Subject: [PATCH 3390/6244] ALSA: hda: SPDIF stream muting support Added support for muting S/DPIF outs using the 'Digital Playback Source' muxs on supporting codecs. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 35 ++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index f9b256388921..05661f7f3ce1 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -138,6 +138,7 @@ struct sigmatel_spec { unsigned int mic_switch: 1; unsigned int alt_switch: 1; unsigned int hp_detect: 1; + unsigned int spdif_mute: 1; /* gpio lines */ unsigned int eapd_mask; @@ -547,10 +548,32 @@ static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol, { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct sigmatel_spec *spec = codec->spec; + struct hda_input_mux *smux = &spec->private_smux; unsigned int smux_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); + int err, val; + hda_nid_t nid; - return snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol, + err = snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol, spec->smux_nids[smux_idx], &spec->cur_smux[smux_idx]); + if (err < 0) + return err; + + if (spec->spdif_mute) { + if (smux_idx == 0) + nid = spec->multiout.dig_out_nid; + else + nid = codec->slave_dig_outs[smux_idx - 1]; + if (spec->cur_smux[smux_idx] == smux->num_items - 1) + val = AMP_OUT_MUTE; + if (smux_idx == 0) + nid = spec->multiout.dig_out_nid; + else + nid = codec->slave_dig_outs[smux_idx - 1]; + /* un/mute SPDIF out */ + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_AMP_GAIN_MUTE, val); + } + return 0; } static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) @@ -1228,6 +1251,15 @@ static int stac92xx_build_controls(struct hda_codec *codec) return err; } if (spec->num_smuxes > 0) { + int wcaps = get_wcaps(codec, spec->multiout.dig_out_nid); + struct hda_input_mux *smux = &spec->private_smux; + /* check for mute support on SPDIF out */ + if (wcaps & AC_WCAP_OUT_AMP) { + smux->items[smux->num_items].label = "Off"; + smux->items[smux->num_items].index = 0; + smux->num_items++; + spec->spdif_mute = 1; + } stac_smux_mixer.count = spec->num_smuxes; err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&stac_smux_mixer, codec)); @@ -4377,7 +4409,6 @@ again: spec->num_muxes = ARRAY_SIZE(stac92hd71bxx_mux_nids); spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids); - spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids); switch (spec->board_config) { case STAC_HP_M4: -- GitLab From b636a1d947c7f1bb0e0a157663e08ce3e49b2e52 Mon Sep 17 00:00:00 2001 From: Vedran Miletic Date: Mon, 29 Sep 2008 15:08:00 +0200 Subject: [PATCH 3391/6244] ALSA: cs46xx: Add PCI IDs for TerraTec and Hercules cards This patch adds PCI IDs for: * TerraTec DMX XFire 1024 * Hercules Gamesurround Fortissimo II * Hercules Gamesurround Fortissimo III 7.1 All those cards were supported as generic CS46xx device, so they will work as before. I'm pretty sure that first two cards work, as they have same hardware design as reference card. Not sure about Fortissimo III, but this won't break it if it worked. Tested on TerraTec DMX XFire 1024. Signed-off-by: Vedran Miletic Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/cs46xx/cs46xx_lib.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index a10ab8283f9a..fb6dc3980257 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -3501,8 +3501,9 @@ static struct cs_card_type __devinitdata cards[] = { .name = "Mitac MI6020/21", .amp = amp_voyetra, }, + /* Hercules Game Theatre XP */ { - .vendor = 0x14AF, + .vendor = 0x14af, /* Guillemot Corporation */ .id = 0x0050, .name = "Hercules Game Theatre XP", .amp = amp_hercules, @@ -3544,7 +3545,23 @@ static struct cs_card_type __devinitdata cards[] = { .amp = amp_hercules, .mixer_init = hercules_mixer_init, }, + /* Herculess Fortissimo */ + { + .vendor = 0x1681, + .id = 0xa010, + .name = "Hercules Gamesurround Fortissimo II", + }, + { + .vendor = 0x1681, + .id = 0xa011, + .name = "Hercules Gamesurround Fortissimo III 7.1", + }, /* Teratec */ + { + .vendor = 0x153b, + .id = 0x112e, + .name = "Terratec DMX XFire 1024", + }, { .vendor = 0x153b, .id = 0x1136, -- GitLab From d6b52039c95556ade5c4f99592a0dc46473fbf93 Mon Sep 17 00:00:00 2001 From: Vladimir Barinov Date: Mon, 29 Sep 2008 23:14:11 +0400 Subject: [PATCH 3392/6244] ALSA: Correct Vladimir Barinov's e-mail address Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- arch/arm/plat-omap/include/mach/mtd-xip.h | 2 +- drivers/usb/host/ehci-ixp4xx.c | 2 +- sound/soc/codecs/tlv320aic3x.c | 2 +- sound/soc/codecs/tlv320aic3x.h | 2 +- sound/soc/davinci/davinci-evm.c | 2 +- sound/soc/davinci/davinci-i2s.c | 2 +- sound/soc/davinci/davinci-i2s.h | 2 +- sound/soc/davinci/davinci-pcm.c | 2 +- sound/soc/davinci/davinci-pcm.h | 2 +- 9 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/arm/plat-omap/include/mach/mtd-xip.h b/arch/arm/plat-omap/include/mach/mtd-xip.h index 5cee7e16a1b4..39b591ff54bb 100644 --- a/arch/arm/plat-omap/include/mach/mtd-xip.h +++ b/arch/arm/plat-omap/include/mach/mtd-xip.h @@ -3,7 +3,7 @@ * * Do not include this file directly. It's included from linux/mtd/xip.h * - * Author: Vladimir Barinov + * Author: Vladimir Barinov * * (c) 2005 MontaVista Software, Inc. This file is licensed under the * terms of the GNU General Public License version 2. This program is diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c index f9575c409124..9c32063a0c2f 100644 --- a/drivers/usb/host/ehci-ixp4xx.c +++ b/drivers/usb/host/ehci-ixp4xx.c @@ -1,7 +1,7 @@ /* * IXP4XX EHCI Host Controller Driver * - * Author: Vladimir Barinov + * Author: Vladimir Barinov * * Based on "ehci-fsl.c" by Randy Vinson * diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 88428e22a4d3..566a427c928f 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -1,7 +1,7 @@ /* * ALSA SoC TLV320AIC3X codec driver * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * Based on sound/soc/codecs/wm8753.c by Liam Girdwood diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h index afb238ec0b9d..00a195aa02e4 100644 --- a/sound/soc/codecs/tlv320aic3x.h +++ b/sound/soc/codecs/tlv320aic3x.h @@ -1,7 +1,7 @@ /* * ALSA SoC TLV320AIC3X codec driver * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c index 092202302bd8..9e6062cd6b59 100644 --- a/sound/soc/davinci/davinci-evm.c +++ b/sound/soc/davinci/davinci-evm.c @@ -1,7 +1,7 @@ /* * ASoC driver for TI DAVINCI EVM platform * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c index e8269d6b788a..abb5fedb0b1e 100644 --- a/sound/soc/davinci/davinci-i2s.c +++ b/sound/soc/davinci/davinci-i2s.c @@ -1,7 +1,7 @@ /* * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify diff --git a/sound/soc/davinci/davinci-i2s.h b/sound/soc/davinci/davinci-i2s.h index c5b091807eec..241648ce8873 100644 --- a/sound/soc/davinci/davinci-i2s.h +++ b/sound/soc/davinci/davinci-i2s.h @@ -1,7 +1,7 @@ /* * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c index 6a5e56a782bb..76feaa657375 100644 --- a/sound/soc/davinci/davinci-pcm.c +++ b/sound/soc/davinci/davinci-pcm.c @@ -1,7 +1,7 @@ /* * ALSA PCM interface for the TI DAVINCI processor * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify diff --git a/sound/soc/davinci/davinci-pcm.h b/sound/soc/davinci/davinci-pcm.h index 8d6a45e75a6e..62cb4eb07e34 100644 --- a/sound/soc/davinci/davinci-pcm.h +++ b/sound/soc/davinci/davinci-pcm.h @@ -1,7 +1,7 @@ /* * ALSA PCM interface for the TI DAVINCI processor * - * Author: Vladimir Barinov, + * Author: Vladimir Barinov, * Copyright: (C) 2007 MontaVista Software, Inc., * * This program is free software; you can redistribute it and/or modify -- GitLab From 19c009aad0ddeaa6a4ba41577022301f18d43afa Mon Sep 17 00:00:00 2001 From: Vedran Miletic Date: Mon, 29 Sep 2008 20:29:25 +0200 Subject: [PATCH 3393/6244] ALSA: hda: add more board-specific information for Realtek ALC662 rev1 I recently got a chance to play with two boards with ALC662 rev1: * BIOSTAR TA780G M2+ * ASROCK K10N78FullHD-hSLI R3.0 Both use 3 stack, 6ch mode with digital out. Since autodetection isn't able to figure that out from BIOS, we need to specify that manually. Signed-off-by: Vedran Miletic Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 2ff617d066c3..6322ab76a392 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -15708,6 +15708,9 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_ECS), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte 945GCM-S2L", ALC662_3ST_6ch_DIG), + SND_PCI_QUIRK(0x1565, 0x820f, "Biostar TA780G M2+", ALC662_3ST_6ch_DIG), + SND_PCI_QUIRK(0x1849, 0x0774, "ASROCK K10N78FullHD-hSLI R3.0", + ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1854, 0x2000, "ASUS H13-2000", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1854, 0x2001, "ASUS H13-2001", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1854, 0x2002, "ASUS H13-2002", ALC663_ASUS_H13), -- GitLab From 669faba27f2f7b04b9228d20e30e7f584f0becd5 Mon Sep 17 00:00:00 2001 From: Clive Messer Date: Tue, 30 Sep 2008 15:49:13 +0200 Subject: [PATCH 3394/6244] ALSA: hda - Fix another ALC889A (rev 0x100101) ALC889A hardware (id 0x10ec0885 rev 0x100101) to use patch_alc883 Signed-off-by: Clive Messer Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 6322ab76a392..e72b4eac0c66 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6667,7 +6667,8 @@ static int patch_alc882(struct hda_codec *codec) break; default: /* ALC889A is handled better as ALC888-compatible */ - if (codec->revision_id == 0x100103) { + if (codec->revision_id == 0x100101 || + codec->revision_id == 0x100103) { alc_free(codec); return patch_alc883(codec); } @@ -16317,6 +16318,8 @@ struct hda_codec_preset snd_hda_preset_realtek[] = { { .id = 0x10ec0880, .name = "ALC880", .patch = patch_alc880 }, { .id = 0x10ec0882, .name = "ALC882", .patch = patch_alc882 }, { .id = 0x10ec0883, .name = "ALC883", .patch = patch_alc883 }, + { .id = 0x10ec0885, .rev = 0x100101, .name = "ALC889A", + .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .rev = 0x100103, .name = "ALC889A", .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, -- GitLab From 7a17daae8ed71bf3259d905a4fc48a5b424fa935 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 2 Oct 2008 14:50:22 +0200 Subject: [PATCH 3395/6244] ALSA: usb - Fix possible Oops at USB-MIDI disconnection The endpoints should be released immediately at disconnection rather than the delayed release. This could be a reason of Oops at USB-audio device disconnection being used. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/usb/usbmidi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index c0c7770198ad..5962e4b84423 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -1112,6 +1112,15 @@ void snd_usbmidi_disconnect(struct list_head* p) } if (ep->in) usb_kill_urb(ep->in->urb); + /* free endpoints here; later call can result in Oops */ + if (ep->out) { + snd_usbmidi_out_endpoint_delete(ep->out); + ep->out = NULL; + } + if (ep->in) { + snd_usbmidi_in_endpoint_delete(ep->in); + ep->in = NULL; + } } del_timer_sync(&umidi->error_timer); } -- GitLab From 310e0dc01d15f6e792a54f971dc7b1e13d1c6e95 Mon Sep 17 00:00:00 2001 From: Pedro Lopez-Cabanillas Date: Sat, 4 Oct 2008 16:27:36 +0200 Subject: [PATCH 3396/6244] ALSA: snd-usb-audio: support for Edirol UA-4FX device Renamed the old quirk function for ua-700/ua-25 to become more generic, moving the MIDI interfaces to the quirk data header. Added a new quirk for the Edirol UA-4FX. Signed-off-by: Pedro Lopez-Cabanillas Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/usb/usbaudio.c | 41 +++++++------------------------- sound/usb/usbaudio.h | 2 +- sound/usb/usbquirks.h | 54 ++++++++++++++++++++++++++++++++++++++----- 3 files changed, 57 insertions(+), 40 deletions(-) diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 8af12b680e12..6e70ba4ee21f 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2997,12 +2997,12 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip, } /* - * Create a stream for an Edirol UA-700/UA-25 interface. The only way - * to detect the sample rate is by looking at wMaxPacketSize. + * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. + * The only way to detect the sample rate is by looking at wMaxPacketSize. */ -static int create_ua700_ua25_quirk(struct snd_usb_audio *chip, - struct usb_interface *iface, - const struct snd_usb_audio_quirk *quirk) +static int create_uaxx_quirk(struct snd_usb_audio *chip, + struct usb_interface *iface, + const struct snd_usb_audio_quirk *quirk) { static const struct audioformat ua_format = { .format = SNDRV_PCM_FORMAT_S24_3LE, @@ -3017,37 +3017,12 @@ static int create_ua700_ua25_quirk(struct snd_usb_audio *chip, struct audioformat *fp; int stream, err; - /* both PCM and MIDI interfaces have 2 altsettings */ - if (iface->num_altsetting != 2) + /* both PCM and MIDI interfaces have 2 or more altsettings */ + if (iface->num_altsetting < 2) return -ENXIO; alts = &iface->altsetting[1]; altsd = get_iface_desc(alts); - if (altsd->bNumEndpoints == 2) { - static const struct snd_usb_midi_endpoint_info ua700_ep = { - .out_cables = 0x0003, - .in_cables = 0x0003 - }; - static const struct snd_usb_audio_quirk ua700_quirk = { - .type = QUIRK_MIDI_FIXED_ENDPOINT, - .data = &ua700_ep - }; - static const struct snd_usb_midi_endpoint_info ua25_ep = { - .out_cables = 0x0001, - .in_cables = 0x0001 - }; - static const struct snd_usb_audio_quirk ua25_quirk = { - .type = QUIRK_MIDI_FIXED_ENDPOINT, - .data = &ua25_ep - }; - if (chip->usb_id == USB_ID(0x0582, 0x002b)) - return snd_usb_create_midi_interface(chip, iface, - &ua700_quirk); - else - return snd_usb_create_midi_interface(chip, iface, - &ua25_quirk); - } - if (altsd->bNumEndpoints != 1) return -ENXIO; @@ -3377,9 +3352,9 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_MIDI_CME] = snd_usb_create_midi_interface, [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, - [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk, [QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk, [QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk, + [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk }; if (quirk->type < QUIRK_TYPE_COUNT) { diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index f3ca77f08eac..36e4f7a29adc 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -159,9 +159,9 @@ enum quirk_type { QUIRK_MIDI_US122L, QUIRK_AUDIO_STANDARD_INTERFACE, QUIRK_AUDIO_FIXED_ENDPOINT, - QUIRK_AUDIO_EDIROL_UA700_UA25, QUIRK_AUDIO_EDIROL_UA1000, QUIRK_AUDIO_EDIROL_UA101, + QUIRK_AUDIO_EDIROL_UAXX, QUIRK_TYPE_COUNT }; diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index d96bf8b2b94b..85532cf9dbf6 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -862,15 +862,19 @@ YAMAHA_DEVICE(0x7010, "UB99"), .data = (const struct snd_usb_audio_quirk[]) { { .ifnum = 1, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = 2, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = 3, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0003, + .in_cables = 0x0003 + } }, { .ifnum = -1 @@ -1204,15 +1208,19 @@ YAMAHA_DEVICE(0x7010, "UB99"), .data = (const struct snd_usb_audio_quirk[]) { { .ifnum = 0, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = 1, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = 2, - .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } }, { .ifnum = -1 @@ -1344,6 +1352,40 @@ YAMAHA_DEVICE(0x7010, "UB99"), .in_cables = 0x000f } } +}, +{ + /* + * This quirk is for the "Advanced Driver" mode. If off, the UA-4FX + * is standard compliant, but has only 16-bit PCM and no MIDI. + */ + USB_DEVICE(0x0582, 0x00a3), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .vendor_name = "EDIROL", + .product_name = "UA-4FX", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_EDIROL_UAXX + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_EDIROL_UAXX + }, + { + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } }, /* TODO: add Edirol MD-P1 support */ { -- GitLab From 238713d4891468f7942f7670d22ab44af0943a4b Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sun, 5 Oct 2008 10:57:39 +0200 Subject: [PATCH 3397/6244] ALSA: hda - Fix PCI SSID for ASROCK K18N78FullHD-hSLI The PCI SSID for ASROCK mobo in commit ac56445dd6a38a36c2fa91989f5f6220a9bdf97c is wrong. This patch fixes to the correct one, 1849:3662. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_realtek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e72b4eac0c66..0b6e682c46d0 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -15710,7 +15710,7 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte 945GCM-S2L", ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1565, 0x820f, "Biostar TA780G M2+", ALC662_3ST_6ch_DIG), - SND_PCI_QUIRK(0x1849, 0x0774, "ASROCK K10N78FullHD-hSLI R3.0", + SND_PCI_QUIRK(0x1849, 0x3662, "ASROCK K10N78FullHD-hSLI R3.0", ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1854, 0x2000, "ASUS H13-2000", ALC663_ASUS_H13), SND_PCI_QUIRK(0x1854, 0x2001, "ASUS H13-2001", ALC663_ASUS_H13), -- GitLab From 5c1d1a98c5e20ba517369d15995464a10add9132 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Tue, 7 Oct 2008 14:17:53 +0800 Subject: [PATCH 3398/6244] ALSA: hda: comment typo fix fix a typo in comment for process_unsol_events(). Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index fdb6d559f5dd..1c0b33b6ce13 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -317,7 +317,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) } /* - * process queueud unsolicited events + * process queued unsolicited events */ static void process_unsol_events(struct work_struct *work) { -- GitLab From 6b34500c1ce9707b77ba1631bb21c8a1dea060bd Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Tue, 7 Oct 2008 14:21:41 +0800 Subject: [PATCH 3399/6244] ALSA: hda: comment typo fix fix a typo in comment for is_in_nid_list(). Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/hda_codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 1c0b33b6ce13..6447754ae56e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2789,7 +2789,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, } /* - * Helper for automatic ping configuration + * Helper for automatic pin configuration */ static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) -- GitLab From 8ae23ec3ab305b58140462234bddf2257af57bae Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 6 Oct 2008 11:33:21 +0100 Subject: [PATCH 3400/6244] ALSA: ASoC: Correct inverted Mic PGA Switch control in wm8510 driver Mic PGA Switch should be inverted in the WM8510 driver but isn't. Reported-by: ext-jukka.hynninen@vaisala.com Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/codecs/wm8510.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 75ed0413ce49..9a37c8d95ed2 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -199,7 +199,7 @@ SOC_DAPM_SINGLE("PCM Playback Switch", WM8510_MONOMIX, 0, 1, 0), }; static const struct snd_kcontrol_new wm8510_boost_controls[] = { -SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 0), +SOC_DAPM_SINGLE("Mic PGA Switch", WM8510_INPPGA, 6, 1, 1), SOC_DAPM_SINGLE("Aux Volume", WM8510_ADCBOOST, 0, 7, 0), SOC_DAPM_SINGLE("Mic Volume", WM8510_ADCBOOST, 4, 7, 0), }; -- GitLab From ff33f2303b0ea8e5ac15af91de8d8538a5d58db1 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 7 Oct 2008 11:38:09 +0200 Subject: [PATCH 3401/6244] ALSA: Increase components array size Increase the card components[] (and thus snd_card_info.components[], too) array size from 80 to 128 chars so that more strings can be stored. The 80 chars aren't enough for more than 2 HD-audio codecs, and this hits an ugly snd_BUG() as reported by Wu Fegguang for HP 2230s. The control protocol number is increased to 2.0.6 as well, in case it matters. Reported-by: Wu Fengguang Acked-by: Jaroslav Kysela Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- include/sound/asound.h | 5 ++--- include/sound/core.h | 2 +- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/include/sound/asound.h b/include/sound/asound.h index 1196e3d51946..2c4dc908a54a 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -707,7 +707,7 @@ struct snd_timer_tread { * * ****************************************************************************/ -#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) +#define SNDRV_CTL_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6) struct snd_ctl_card_info { int card; /* card number */ @@ -718,8 +718,7 @@ struct snd_ctl_card_info { unsigned char longname[80]; /* name + info text about soundcard */ unsigned char reserved_[16]; /* reserved for future (was ID of mixer) */ unsigned char mixername[80]; /* visual mixer identification */ - unsigned char components[80]; /* card components / fine identification, delimited with one space (AC97 etc..) */ - unsigned char reserved[48]; /* reserved for future */ + unsigned char components[128]; /* card components / fine identification, delimited with one space (AC97 etc..) */ }; typedef int __bitwise snd_ctl_elem_type_t; diff --git a/include/sound/core.h b/include/sound/core.h index f52ab6f3ca6e..e5eec5f73502 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -116,7 +116,7 @@ struct snd_card { char shortname[32]; /* short name of this soundcard */ char longname[80]; /* name of this soundcard */ char mixername[80]; /* mixer name */ - char components[80]; /* card components delimited with + char components[128]; /* card components delimited with space */ struct module *module; /* top-level module */ -- GitLab From cb01e2b99264d579085c63966744d91b87c6b35d Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Tue, 7 Oct 2008 08:05:20 +0800 Subject: [PATCH 3402/6244] ALSA: ASoC: add new param mux to dapm_mux_update_power Function dapm_mux_update_power needs enum index mux and register mask value val as parameters, but it only has a parameter val, and uses it as both val and mux. snd_soc_test_bits(widget->codec, e->reg, mask, val) val is register mask here, e->texts[val] but val should be enum index mux here. This patch adds a new param mux to fix it. Signed-off-by: Richard Zhao Signed-off-by: Mark Brown Signed-off-by: Jaroslav Kysela --- sound/soc/soc-dapm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index c016426fb896..9ca9c08610fa 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -693,7 +693,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action) /* test and update the power status of a mux widget */ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget, struct snd_kcontrol *kcontrol, int mask, - int val, struct soc_enum* e) + int mux, int val, struct soc_enum *e) { struct snd_soc_dapm_path *path; int found = 0; @@ -709,12 +709,12 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget, if (path->kcontrol != kcontrol) continue; - if (!path->name || ! e->texts[val]) + if (!path->name || !e->texts[mux]) continue; found = 1; /* we now need to match the string in the enum to the path */ - if (!(strcmp(path->name, e->texts[val]))) + if (!(strcmp(path->name, e->texts[mux]))) path->connect = 1; /* new connection */ else path->connect = 0; /* old connection must be powered down */ @@ -1291,7 +1291,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, mutex_lock(&widget->codec->mutex); widget->value = val; - dapm_mux_update_power(widget, kcontrol, mask, mux, e); + dapm_mux_update_power(widget, kcontrol, mask, mux, val, e); if (widget->event) { if (widget->event_flags & SND_SOC_DAPM_PRE_REG) { ret = widget->event(widget, -- GitLab From 52948b3f7c481be2cd3a68d1db42dd6906bf853a Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 7 Oct 2008 16:13:59 +0200 Subject: [PATCH 3403/6244] ALSA: Add a note on dependency of RTC stuff Added a note on the dependency of old RTC stuff, which is exclusive with the new RTC class drivers. http://bugme.linux-foundation.org/show_bug.cgi?id=11430 Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/core/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/core/Kconfig b/sound/core/Kconfig index 91f91c5cdb4e..66348c92f88d 100644 --- a/sound/core/Kconfig +++ b/sound/core/Kconfig @@ -108,6 +108,9 @@ config SND_RTCTIMER To compile this driver as a module, choose M here: the module will be called snd-rtctimer. + Note that this option is exclusive with the new RTC drivers + (CONFIG_RTC_CLASS) since this requires the old API. + config SND_SEQ_RTCTIMER_DEFAULT bool "Use RTC as default sequencer timer" depends on SND_RTCTIMER && SND_SEQUENCER -- GitLab From 59b3db6c69ae9eeed1d8fc3aee6b88272ba38ba8 Mon Sep 17 00:00:00 2001 From: Pedro Lopez-Cabanillas Date: Tue, 7 Oct 2008 20:54:18 +0200 Subject: [PATCH 3404/6244] ALSA: usb-audio: dynamic detection of MIDI interfaces in uaxx-quirk The MIDI interfaces have to be detected dynamically for Edirol devices ua-700, ua-25 and ua4-fx. This patch reverses the wrong changes made by my other patch in uaxx-quirk. Signed-off-by: Pedro Lopez-Cabanillas Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/usb/usbaudio.c | 25 +++++++++++++++++++++++++ sound/usb/usbquirks.h | 18 +++--------------- 2 files changed, 28 insertions(+), 15 deletions(-) diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 6e70ba4ee21f..bbd70d5814a0 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -3023,6 +3023,31 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip, alts = &iface->altsetting[1]; altsd = get_iface_desc(alts); + if (altsd->bNumEndpoints == 2) { + static const struct snd_usb_midi_endpoint_info ua700_ep = { + .out_cables = 0x0003, + .in_cables = 0x0003 + }; + static const struct snd_usb_audio_quirk ua700_quirk = { + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &ua700_ep + }; + static const struct snd_usb_midi_endpoint_info uaxx_ep = { + .out_cables = 0x0001, + .in_cables = 0x0001 + }; + static const struct snd_usb_audio_quirk uaxx_quirk = { + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &uaxx_ep + }; + if (chip->usb_id == USB_ID(0x0582, 0x002b)) + return snd_usb_create_midi_interface(chip, iface, + &ua700_quirk); + else + return snd_usb_create_midi_interface(chip, iface, + &uaxx_quirk); + } + if (altsd->bNumEndpoints != 1) return -ENXIO; diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h index 85532cf9dbf6..69689e79bf79 100644 --- a/sound/usb/usbquirks.h +++ b/sound/usb/usbquirks.h @@ -870,11 +870,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), }, { .ifnum = 3, - .type = QUIRK_MIDI_FIXED_ENDPOINT, - .data = & (const struct snd_usb_midi_endpoint_info) { - .out_cables = 0x0003, - .in_cables = 0x0003 - } + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = -1 @@ -1216,11 +1212,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), }, { .ifnum = 2, - .type = QUIRK_MIDI_FIXED_ENDPOINT, - .data = & (const struct snd_usb_midi_endpoint_info) { - .out_cables = 0x0001, - .in_cables = 0x0001 - } + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = -1 @@ -1375,11 +1367,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), }, { .ifnum = 2, - .type = QUIRK_MIDI_FIXED_ENDPOINT, - .data = & (const struct snd_usb_midi_endpoint_info) { - .out_cables = 0x0001, - .in_cables = 0x0001 - } + .type = QUIRK_AUDIO_EDIROL_UAXX }, { .ifnum = -1 -- GitLab From 32fe61426373d85e797bf4f4dcbe4510487c3e00 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 8 Oct 2008 10:28:25 +0200 Subject: [PATCH 3405/6244] ALSA: mtpav - Fix race in probe Ingo reported Oops at probing mtpav driver. It's a race between the irq handler and the rawmidi instance registration. This patch fixes the order of registration to avoid the race. Signed-off-by: Takashi Iwai Tested-by: Ingo Molnar Signed-off-by: Jaroslav Kysela --- sound/drivers/mtpav.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c index b5e1a71bb64b..5b89c0883d60 100644 --- a/sound/drivers/mtpav.c +++ b/sound/drivers/mtpav.c @@ -715,6 +715,10 @@ static int __devinit snd_mtpav_probe(struct platform_device *dev) card->private_free = snd_mtpav_free; + err = snd_mtpav_get_RAWMIDI(mtp_card); + if (err < 0) + goto __error; + err = snd_mtpav_get_ISA(mtp_card); if (err < 0) goto __error; @@ -724,10 +728,6 @@ static int __devinit snd_mtpav_probe(struct platform_device *dev) snprintf(card->longname, sizeof(card->longname), "MTPAV on parallel port at 0x%lx", port); - err = snd_mtpav_get_RAWMIDI(mtp_card); - if (err < 0) - goto __error; - snd_mtpav_portscan(mtp_card); snd_card_set_dev(card, &dev->dev); -- GitLab From fb2aa074d4eac4957f5717d261bc336f4a5f31c4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 8 Oct 2008 13:02:20 +0100 Subject: [PATCH 3406/6244] ALSA: ASoC: Check for machine type in GTA01 machine driver Since there are now multiple OpenMoko platforms it is more important to check that the machine driver is running on the correct system. This was orgininally generated as part of the initial GTA02 machine port. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/soc/s3c24xx/neo1973_wm8753.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 47ddcdedc3a4..73a50e93a9a2 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -24,6 +24,7 @@ #include #include +#include #include #include #include @@ -716,6 +717,12 @@ static int __init neo1973_init(void) DBG("Entered %s\n", __func__); + if (!machine_is_neo1973_gta01()) { + printk(KERN_INFO + "Only GTA01 hardware supported by ASoC driver\n"); + return -ENODEV; + } + neo1973_snd_device = platform_device_alloc("soc-audio", -1); if (!neo1973_snd_device) return -ENOMEM; -- GitLab From b9aea7150a84d037b6ca3c2506b0058cee4eb1d2 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Thu, 9 Oct 2008 08:37:28 -0400 Subject: [PATCH 3407/6244] ALSA: hda: STAC_HP_M4 Set the third microphone to a default config of a 'Line In' to be added the Input Source Mux's. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 05661f7f3ce1..5c65f7d4606f 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -3643,7 +3643,12 @@ static int stac92xx_init(struct hda_codec *codec) for (i = 0; i < AUTO_PIN_LAST; i++) { hda_nid_t nid = cfg->input_pins[i]; if (nid) { - unsigned int pinctl = AC_PINCTL_IN_EN; + unsigned int pinctl = snd_hda_codec_read(codec, nid, + 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + /* if PINCTL already set then skip */ + if (pinctl & AC_PINCAP_IN) + continue; + pinctl = AC_PINCTL_IN_EN; if (i == AUTO_PIN_MIC || i == AUTO_PIN_FRONT_MIC) pinctl |= stac92xx_get_vref(codec, nid); stac92xx_auto_set_pinctl(codec, nid, pinctl); @@ -4413,12 +4418,13 @@ again: switch (spec->board_config) { case STAC_HP_M4: spec->num_dmics = 0; - spec->num_smuxes = 1; + spec->num_smuxes = 0; spec->num_dmuxes = 0; /* enable internal microphone */ - snd_hda_codec_write_cache(codec, 0x0e, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80); + stac92xx_set_config_reg(codec, 0x0e, 0x01813040); + stac92xx_auto_set_pinctl(codec, 0x0e, + AC_PINCTL_IN_EN | AC_PINCTL_VREF_80); break; default: spec->num_dmics = STAC92HD71BXX_NUM_DMICS; -- GitLab From 72474be62d6ec2e0337ff01ecbd737f9c5c242c7 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Thu, 9 Oct 2008 09:32:17 -0400 Subject: [PATCH 3408/6244] ALSA: hda: VREF powerdown for headphones Add support for powering down VREF on standard headphone insertion, also powers up the VREF on a headset insertion. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/hda/patch_sigmatel.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 5c65f7d4606f..c461baa83c2a 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -38,6 +38,7 @@ #define NUM_CONTROL_ALLOC 32 #define STAC_PWR_EVENT 0x20 #define STAC_HP_EVENT 0x30 +#define STAC_VREF_EVENT 0x40 enum { STAC_REF, @@ -3854,13 +3855,22 @@ static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res) struct sigmatel_spec *spec = codec->spec; int idx = res >> 26 & 0x0f; - switch ((res >> 26) & 0x30) { + switch ((res >> 26) & 0x70) { case STAC_HP_EVENT: stac92xx_hp_detect(codec, res); /* fallthru */ case STAC_PWR_EVENT: if (spec->num_pwrs > 0) stac92xx_pin_sense(codec, idx); + break; + case STAC_VREF_EVENT: { + int data = snd_hda_codec_read(codec, codec->afg, 0, + AC_VERB_GET_GPIO_DATA, 0); + /* toggle VREF state based on GPIOx status */ + snd_hda_codec_write(codec, codec->afg, 0, 0x7e0, + !!(data & (1 << idx))); + break; + } } } @@ -4360,6 +4370,17 @@ again: codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs; break; case 0x111d7608: /* 5 Port with Analog Mixer */ + switch (codec->subsystem_id) { + case 0x103c361a: + /* Enable VREF power saving on GPIO1 detect */ + snd_hda_codec_write(codec, codec->afg, 0, + AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x02); + snd_hda_codec_write_cache(codec, codec->afg, 0, + AC_VERB_SET_UNSOLICITED_ENABLE, + (AC_USRSP_EN | STAC_VREF_EVENT | 0x01)); + spec->gpio_mask |= 0x02; + break; + } if ((codec->revision_id & 0xf) == 0 || (codec->revision_id & 0xf) == 1) { #ifdef SND_HDA_NEEDS_RESUME -- GitLab From 01460f3520c100010aacc8f8500cafcb17ce4665 Mon Sep 17 00:00:00 2001 From: Benjamin Marzinski Date: Fri, 10 Oct 2008 13:36:57 +0100 Subject: [PATCH 3409/6244] dm mpath: use more error codes This patch allows path errors from the multipath ctr function to propagate up to userspace as errno values from the ioctl() call. This is in response to https://www.redhat.com/archives/dm-devel/2008-May/msg00000.html and https://bugzilla.redhat.com/show_bug.cgi?id=444421 The patch only lets through the errors that it needs to in order to get the path errors from parse_path(). Signed-off-by: Benjamin Marzinski Signed-off-by: Alasdair G Kergon --- drivers/md/dm-mpath.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index c2fcf28b4c70..c2ff77d77a5e 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -563,12 +563,12 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps, /* we need at least a path arg */ if (as->argc < 1) { ti->error = "no device given"; - return NULL; + return ERR_PTR(-EINVAL); } p = alloc_pgpath(); if (!p) - return NULL; + return ERR_PTR(-ENOMEM); r = dm_get_device(ti, shift(as), ti->begin, ti->len, dm_table_get_mode(ti->table), &p->path.dev); @@ -596,7 +596,7 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps, bad: free_pgpath(p); - return NULL; + return ERR_PTR(r); } static struct priority_group *parse_priority_group(struct arg_set *as, @@ -614,14 +614,14 @@ static struct priority_group *parse_priority_group(struct arg_set *as, if (as->argc < 2) { as->argc = 0; - ti->error = "not enough priority group aruments"; - return NULL; + ti->error = "not enough priority group arguments"; + return ERR_PTR(-EINVAL); } pg = alloc_priority_group(); if (!pg) { ti->error = "couldn't allocate priority group"; - return NULL; + return ERR_PTR(-ENOMEM); } pg->m = m; @@ -654,8 +654,10 @@ static struct priority_group *parse_priority_group(struct arg_set *as, path_args.argv = as->argv; pgpath = parse_path(&path_args, &pg->ps, ti); - if (!pgpath) + if (IS_ERR(pgpath)) { + r = PTR_ERR(pgpath); goto bad; + } pgpath->pg = pg; list_add_tail(&pgpath->list, &pg->pgpaths); @@ -666,7 +668,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as, bad: free_priority_group(pg, ti); - return NULL; + return ERR_PTR(r); } static int parse_hw_handler(struct arg_set *as, struct multipath *m) @@ -785,8 +787,8 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc, struct priority_group *pg; pg = parse_priority_group(&as, m); - if (!pg) { - r = -EINVAL; + if (IS_ERR(pg)) { + r = PTR_ERR(pg); goto bad; } -- GitLab From 6680073d3ec7c6dbdbf77870bf1fea869767d779 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Fri, 10 Oct 2008 13:36:58 +0100 Subject: [PATCH 3410/6244] dm mpath: remove is_active from struct dm_path This patch moves 'is_active' from struct dm_path to struct pgpath as it does not need exporting. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Alasdair G Kergon --- drivers/md/dm-mpath.c | 13 +++++++------ drivers/md/dm-mpath.h | 2 -- 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index c2ff77d77a5e..b2ab8489d0eb 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -30,6 +30,7 @@ struct pgpath { struct list_head list; struct priority_group *pg; /* Owning PG */ + unsigned is_active; /* Path status */ unsigned fail_count; /* Cumulative failure count */ struct dm_path path; @@ -123,7 +124,7 @@ static struct pgpath *alloc_pgpath(void) struct pgpath *pgpath = kzalloc(sizeof(*pgpath), GFP_KERNEL); if (pgpath) - pgpath->path.is_active = 1; + pgpath->is_active = 1; return pgpath; } @@ -854,13 +855,13 @@ static int fail_path(struct pgpath *pgpath) spin_lock_irqsave(&m->lock, flags); - if (!pgpath->path.is_active) + if (!pgpath->is_active) goto out; DMWARN("Failing path %s.", pgpath->path.dev->name); pgpath->pg->ps.type->fail_path(&pgpath->pg->ps, &pgpath->path); - pgpath->path.is_active = 0; + pgpath->is_active = 0; pgpath->fail_count++; m->nr_valid_paths--; @@ -890,7 +891,7 @@ static int reinstate_path(struct pgpath *pgpath) spin_lock_irqsave(&m->lock, flags); - if (pgpath->path.is_active) + if (pgpath->is_active) goto out; if (!pgpath->pg->ps.type->reinstate_path) { @@ -904,7 +905,7 @@ static int reinstate_path(struct pgpath *pgpath) if (r) goto out; - pgpath->path.is_active = 1; + pgpath->is_active = 1; m->current_pgpath = NULL; if (!m->nr_valid_paths++ && m->queue_size) @@ -1292,7 +1293,7 @@ static int multipath_status(struct dm_target *ti, status_type_t type, list_for_each_entry(p, &pg->pgpaths, list) { DMEMIT("%s %s %u ", p->path.dev->name, - p->path.is_active ? "A" : "F", + p->is_active ? "A" : "F", p->fail_count); if (pg->ps.type->status) sz += pg->ps.type->status(&pg->ps, diff --git a/drivers/md/dm-mpath.h b/drivers/md/dm-mpath.h index c198b856a452..e230f7196259 100644 --- a/drivers/md/dm-mpath.h +++ b/drivers/md/dm-mpath.h @@ -13,8 +13,6 @@ struct dm_dev; struct dm_path { struct dm_dev *dev; /* Read-only */ - unsigned is_active; /* Read-only */ - void *pscontext; /* For path-selector use */ }; -- GitLab From f7c83e2e4783c4f7abe6f3a85a8c5e210f98bc7b Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Fri, 10 Oct 2008 13:36:59 +0100 Subject: [PATCH 3411/6244] dm raid1: kcopyd should stop on error if errors handled dm-raid1 is setting the 'DM_KCOPYD_IGNORE_ERROR' flag unconditionally when assigning kcopyd work. kcopyd is responsible for copying an assigned section of disk to one or more other disks. The 'DM_KCOPYD_IGNORE_ERROR' flag affects kcopyd in the following way: When not set: kcopyd will immediately stop the copy operation when an error is encountered. When set: kcopyd will try to proceed regardless of errors and try to continue copying any remaining amount. Since dm-raid1 tracks regions of the address space that are (or are not) in sync and it now has the ability to handle these errors, we can safely enable this optimization. This optimization is conditional on whether mirror error handling has been enabled. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon --- drivers/md/dm-raid1.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index ff05fe893083..29913e42c4ab 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -842,7 +842,9 @@ static int recover(struct mirror_set *ms, struct region *reg) } /* hand to kcopyd */ - set_bit(DM_KCOPYD_IGNORE_ERROR, &flags); + if (!errors_handled(ms)) + set_bit(DM_KCOPYD_IGNORE_ERROR, &flags); + r = dm_kcopyd_copy(ms->kcopyd_client, &from, ms->nr_mirrors - 1, to, flags, recovery_complete, reg); -- GitLab From a481db784682b33d078c7bf8a1d0581dc09946c1 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:00 +0100 Subject: [PATCH 3412/6244] dm exception store: introduce area_location function Move this logic to a function, because it will be reused later. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm-exception-store.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 41f408068a7c..824cf31967c5 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -208,6 +208,14 @@ static int chunk_io(struct pstore *ps, uint32_t chunk, int rw, int metadata) return req.result; } +/* + * Convert a metadata area index to a chunk index. + */ +static chunk_t area_location(struct pstore *ps, chunk_t area) +{ + return 1 + ((ps->exceptions_per_area + 1) * area); +} + /* * Read or write a metadata area. Remembering to skip the first * chunk which holds the header. @@ -217,8 +225,7 @@ static int area_io(struct pstore *ps, uint32_t area, int rw) int r; uint32_t chunk; - /* convert a metadata area index to a chunk index */ - chunk = 1 + ((ps->exceptions_per_area + 1) * area); + chunk = area_location(ps, area); r = chunk_io(ps, chunk, rw, 0); if (r) -- GitLab From fd14acf6fc9f4635be201960004d847b14236a20 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:01 +0100 Subject: [PATCH 3413/6244] dm exception store: use chunk_t for_areas Change uint32_t into chunk_t to remove 32-bit limitation on the number of chunks on systems with 64-bit sector numbers. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm-exception-store.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 824cf31967c5..769ab677f8e0 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -108,12 +108,12 @@ struct pstore { * Used to keep track of which metadata area the data in * 'chunk' refers to. */ - uint32_t current_area; + chunk_t current_area; /* * The next free chunk for an exception. */ - uint32_t next_free; + chunk_t next_free; /* * The index of next free exception in the current @@ -175,7 +175,7 @@ static void do_metadata(struct work_struct *work) /* * Read or write a chunk aligned and sized block of data from a device. */ -static int chunk_io(struct pstore *ps, uint32_t chunk, int rw, int metadata) +static int chunk_io(struct pstore *ps, chunk_t chunk, int rw, int metadata) { struct dm_io_region where = { .bdev = ps->snap->cow->bdev, @@ -220,10 +220,10 @@ static chunk_t area_location(struct pstore *ps, chunk_t area) * Read or write a metadata area. Remembering to skip the first * chunk which holds the header. */ -static int area_io(struct pstore *ps, uint32_t area, int rw) +static int area_io(struct pstore *ps, chunk_t area, int rw) { int r; - uint32_t chunk; + chunk_t chunk; chunk = area_location(ps, area); @@ -235,7 +235,7 @@ static int area_io(struct pstore *ps, uint32_t area, int rw) return 0; } -static int zero_area(struct pstore *ps, uint32_t area) +static int zero_area(struct pstore *ps, chunk_t area) { memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT); return area_io(ps, area, WRITE); @@ -411,7 +411,7 @@ static int insert_exceptions(struct pstore *ps, int *full) static int read_exceptions(struct pstore *ps) { - uint32_t area; + chunk_t area; int r, full = 1; /* @@ -524,6 +524,7 @@ static int persistent_prepare(struct exception_store *store, { struct pstore *ps = get_info(store); uint32_t stride; + chunk_t next_free; sector_t size = get_dev_size(store->snap->cow->bdev); /* Is there enough room ? */ @@ -537,7 +538,8 @@ static int persistent_prepare(struct exception_store *store, * into account the location of the metadata chunks. */ stride = (ps->exceptions_per_area + 1); - if ((++ps->next_free % stride) == 1) + next_free = ++ps->next_free; + if (sector_div(next_free, stride) == 1) ps->next_free++; atomic_inc(&ps->pending_count); -- GitLab From 3e1a8bdd05d6b1734a8ccf7af28042d72c447780 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:02 +0100 Subject: [PATCH 3414/6244] dm crypt: tidy inc pending Move io pending to one place. No functional change, usefull to simplify debugging. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 13956437bc81..6b9be99eff5b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -517,6 +517,11 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone) } } +static void crypt_inc_pending(struct dm_crypt_io *io) +{ + atomic_inc(&io->pending); +} + /* * One of the bios was finished. Check for completion of * the whole request and correctly clean up the buffer. @@ -591,7 +596,7 @@ static void kcryptd_io_read(struct dm_crypt_io *io) struct bio *base_bio = io->base_bio; struct bio *clone; - atomic_inc(&io->pending); + crypt_inc_pending(io); /* * The block layer might modify the bvec array, so always @@ -665,7 +670,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, if (async) kcryptd_queue_io(io); else { - atomic_inc(&io->pending); + crypt_inc_pending(io); generic_make_request(clone); } } @@ -701,7 +706,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) if (unlikely(r < 0)) return; } else - atomic_inc(&io->pending); + crypt_inc_pending(io); /* out of memory -> run queues */ if (unlikely(remaining)) { @@ -720,7 +725,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) /* * Prevent io from disappearing until this function completes. */ - atomic_inc(&io->pending); + crypt_inc_pending(io); crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); kcryptd_crypt_write_convert_loop(io); @@ -741,7 +746,7 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io) struct crypt_config *cc = io->target->private; int r = 0; - atomic_inc(&io->pending); + crypt_inc_pending(io); crypt_convert_init(cc, &io->ctx, io->base_bio, io->base_bio, io->sector); -- GitLab From dc440d1e56c481f80d5350daadc7d078a04ca729 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:03 +0100 Subject: [PATCH 3415/6244] dm crypt: tidy crypt alloc Factor out crypt io allocation code. Later patches will call it from another place. No functional change. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 6b9be99eff5b..cac064d4aa72 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -517,6 +517,22 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone) } } +static struct dm_crypt_io *crypt_io_alloc(struct dm_target *ti, + struct bio *bio, sector_t sector) +{ + struct crypt_config *cc = ti->private; + struct dm_crypt_io *io; + + io = mempool_alloc(cc->io_pool, GFP_NOIO); + io->target = ti; + io->base_bio = bio; + io->sector = sector; + io->error = 0; + atomic_set(&io->pending, 0); + + return io; +} + static void crypt_inc_pending(struct dm_crypt_io *io) { atomic_inc(&io->pending); @@ -1113,15 +1129,9 @@ static void crypt_dtr(struct dm_target *ti) static int crypt_map(struct dm_target *ti, struct bio *bio, union map_info *map_context) { - struct crypt_config *cc = ti->private; struct dm_crypt_io *io; - io = mempool_alloc(cc->io_pool, GFP_NOIO); - io->target = ti; - io->base_bio = bio; - io->sector = bio->bi_sector - ti->begin; - io->error = 0; - atomic_set(&io->pending, 0); + io = crypt_io_alloc(ti, bio, bio->bi_sector - ti->begin); if (bio_data_dir(io->base_bio) == READ) kcryptd_queue_io(io); -- GitLab From fc5a5e9aa878f86642c962b309f793fb2db0727e Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:04 +0100 Subject: [PATCH 3416/6244] dm crypt: tidy write loop pending Move kcryptd_crypt_write_convert_loop inside kcryptd_crypt_write_convert. This change is needed for a later patch. No functional change. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index cac064d4aa72..97b407582c03 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -691,13 +691,19 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, } } -static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) +static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *clone; unsigned remaining = io->base_bio->bi_size; int r; + /* + * Prevent io from disappearing until this function completes. + */ + crypt_inc_pending(io); + crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); + /* * The allocated buffers can be smaller than the whole bio, * so repeat the whole process until all the data can be handled. @@ -706,7 +712,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) clone = crypt_alloc_buffer(io, remaining); if (unlikely(!clone)) { io->error = -ENOMEM; - return; + break; } io->ctx.bio_out = clone; @@ -720,7 +726,7 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) /* processed, no running async crypto */ kcryptd_crypt_write_io_submit(io, r, 0); if (unlikely(r < 0)) - return; + break; } else crypt_inc_pending(io); @@ -732,19 +738,6 @@ static void kcryptd_crypt_write_convert_loop(struct dm_crypt_io *io) congestion_wait(WRITE, HZ/100); } } -} - -static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) -{ - struct crypt_config *cc = io->target->private; - - /* - * Prevent io from disappearing until this function completes. - */ - crypt_inc_pending(io); - - crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector); - kcryptd_crypt_write_convert_loop(io); crypt_dec_pending(io); } -- GitLab From 1e37bb8e557a186d327eb4d1387953880ffc2cdd Mon Sep 17 00:00:00 2001 From: Alasdair G Kergon Date: Fri, 10 Oct 2008 13:37:05 +0100 Subject: [PATCH 3417/6244] dm crypt: remove inc_pending from write_io_submit Make the caller reponsible for incrementing the pending count before calling kcryptd_crypt_write_io_submit() in the non-async case to bring it into line with the async case. Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 97b407582c03..0042636ad375 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -685,10 +685,8 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, if (async) kcryptd_queue_io(io); - else { - crypt_inc_pending(io); + else generic_make_request(clone); - } } static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) @@ -724,9 +722,12 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) if (atomic_dec_and_test(&io->ctx.pending)) { /* processed, no running async crypto */ + crypt_inc_pending(io); kcryptd_crypt_write_io_submit(io, r, 0); - if (unlikely(r < 0)) + if (unlikely(r < 0)) { + crypt_dec_pending(io); break; + } } else crypt_inc_pending(io); -- GitLab From 6c031f41db15b6cb0cd33545cec28ca706cd3c7e Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:06 +0100 Subject: [PATCH 3418/6244] dm crypt: move dec_pending on error into write_io_submit Make kcryptd_crypt_write_io_submit() responsible for decrementing the pending count after an error. Also fixes a bug in the async path that forgot to decrement it. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 0042636ad375..d8126ac82960 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -674,6 +674,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, crypt_free_buffer_pages(cc, clone); bio_put(clone); io->error = -EIO; + crypt_dec_pending(io); return; } @@ -724,10 +725,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) /* processed, no running async crypto */ crypt_inc_pending(io); kcryptd_crypt_write_io_submit(io, r, 0); - if (unlikely(r < 0)) { - crypt_dec_pending(io); + if (unlikely(r < 0)) break; - } } else crypt_inc_pending(io); -- GitLab From 4e59409891c9cc30cb4d5d73250b0c968af8e39b Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:07 +0100 Subject: [PATCH 3419/6244] dm crypt: fix async inc_pending The pending reference count must be incremented *before* the async work is queued to another thread, not after. Otherwise there's a race if the work completes and decrements the reference count before it gets incremented. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d8126ac82960..262ed1816695 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -719,16 +719,15 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) remaining -= clone->bi_size; + crypt_inc_pending(io); r = crypt_convert(cc, &io->ctx); if (atomic_dec_and_test(&io->ctx.pending)) { /* processed, no running async crypto */ - crypt_inc_pending(io); kcryptd_crypt_write_io_submit(io, r, 0); if (unlikely(r < 0)) break; - } else - crypt_inc_pending(io); + } /* out of memory -> run queues */ if (unlikely(remaining)) { -- GitLab From c8081618a9f832fdf7ca81eb087f9f61f2bf07d5 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:08 +0100 Subject: [PATCH 3420/6244] dm crypt: tidy ctx pending Move the initialisation of ctx->pending into one place, at the start of crypt_convert(). Introduce crypt_finished to indicate whether or not the encryption is finished, for use in a later patch. No functional change. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 262ed1816695..f6018f5961de 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -333,7 +333,6 @@ static void crypt_convert_init(struct crypt_config *cc, ctx->idx_out = bio_out ? bio_out->bi_idx : 0; ctx->sector = sector + cc->iv_offset; init_completion(&ctx->restart); - atomic_set(&ctx->pending, 1); } static int crypt_convert_block(struct crypt_config *cc, @@ -408,6 +407,8 @@ static int crypt_convert(struct crypt_config *cc, { int r; + atomic_set(&ctx->pending, 1); + while(ctx->idx_in < ctx->bio_in->bi_vcnt && ctx->idx_out < ctx->bio_out->bi_vcnt) { @@ -694,6 +695,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) { struct crypt_config *cc = io->target->private; struct bio *clone; + int crypt_finished; unsigned remaining = io->base_bio->bi_size; int r; @@ -721,19 +723,23 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) crypt_inc_pending(io); r = crypt_convert(cc, &io->ctx); + crypt_finished = atomic_dec_and_test(&io->ctx.pending); - if (atomic_dec_and_test(&io->ctx.pending)) { - /* processed, no running async crypto */ + /* Encryption was already finished, submit io now */ + if (crypt_finished) { kcryptd_crypt_write_io_submit(io, r, 0); + + /* + * If there was an error, do not try next fragments. + * For async, error is processed in async handler. + */ if (unlikely(r < 0)) break; } /* out of memory -> run queues */ if (unlikely(remaining)) { - /* wait for async crypto then reinitialize pending */ wait_event(cc->writeq, !atomic_read(&io->ctx.pending)); - atomic_set(&io->ctx.pending, 1); congestion_wait(WRITE, HZ/100); } } -- GitLab From 933f01d43326fb12a978a8e0bb062c28a2de4d5a Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Fri, 10 Oct 2008 13:37:08 +0100 Subject: [PATCH 3421/6244] dm crypt: avoid unnecessary wait when splitting bio Don't wait between submitting crypt requests for a bio unless we are short of memory. There are two situations when we must split an encrypted bio: 1) there are no free pages; 2) the new bio would violate underlying device restrictions (e.g. max hw segments). In case (2) we do not need to wait. Add output variable to crypt_alloc_buffer() to distinguish between these cases. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 26 ++++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index f6018f5961de..682ef9e6acd3 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -457,9 +457,11 @@ static void dm_crypt_bio_destructor(struct bio *bio) /* * Generate a new unfragmented bio with the given size * This should never violate the device limitations - * May return a smaller bio when running out of pages + * May return a smaller bio when running out of pages, indicated by + * *out_of_pages set to 1. */ -static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size) +static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size, + unsigned *out_of_pages) { struct crypt_config *cc = io->target->private; struct bio *clone; @@ -473,11 +475,14 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size) return NULL; clone_init(io, clone); + *out_of_pages = 0; for (i = 0; i < nr_iovecs; i++) { page = mempool_alloc(cc->page_pool, gfp_mask); - if (!page) + if (!page) { + *out_of_pages = 1; break; + } /* * if additional pages cannot be allocated without waiting, @@ -696,6 +701,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) struct crypt_config *cc = io->target->private; struct bio *clone; int crypt_finished; + unsigned out_of_pages = 0; unsigned remaining = io->base_bio->bi_size; int r; @@ -710,7 +716,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) * so repeat the whole process until all the data can be handled. */ while (remaining) { - clone = crypt_alloc_buffer(io, remaining); + clone = crypt_alloc_buffer(io, remaining, &out_of_pages); if (unlikely(!clone)) { io->error = -ENOMEM; break; @@ -737,11 +743,15 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) break; } - /* out of memory -> run queues */ - if (unlikely(remaining)) { - wait_event(cc->writeq, !atomic_read(&io->ctx.pending)); + /* + * Out of memory -> run queues + * But don't wait if split was due to the io size restriction + */ + if (unlikely(out_of_pages)) congestion_wait(WRITE, HZ/100); - } + + if (unlikely(remaining)) + wait_event(cc->writeq, !atomic_read(&io->ctx.pending)); } crypt_dec_pending(io); -- GitLab From 82b1519b345d61dcfae526e3fcb08128f39f9bcc Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:09 +0100 Subject: [PATCH 3422/6244] dm: export struct dm_dev Split struct dm_dev in two and publish the part that other targets need in include/linux/device-mapper.h. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm-ioctl.c | 4 +- drivers/md/dm-table.c | 71 +++++++++++++++++++---------------- drivers/md/dm.h | 7 +--- include/linux/device-mapper.h | 7 +++- 4 files changed, 49 insertions(+), 40 deletions(-) diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index b262c0042de3..90e19f13f269 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1131,7 +1131,7 @@ static void retrieve_deps(struct dm_table *table, unsigned int count = 0; struct list_head *tmp; size_t len, needed; - struct dm_dev *dd; + struct dm_dev_internal *dd; struct dm_target_deps *deps; deps = get_result_buffer(param, param_size, &len); @@ -1157,7 +1157,7 @@ static void retrieve_deps(struct dm_table *table, deps->count = count; count = 0; list_for_each_entry (dd, dm_table_get_devices(table), list) - deps->dev[count++] = huge_encode_dev(dd->bdev->bd_dev); + deps->dev[count++] = huge_encode_dev(dd->dm_dev.bdev->bd_dev); param->data_size = param->data_start + needed; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 61f441409234..5dd32b8a57ac 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -250,7 +250,8 @@ static void free_devices(struct list_head *devices) struct list_head *tmp, *next; list_for_each_safe(tmp, next, devices) { - struct dm_dev *dd = list_entry(tmp, struct dm_dev, list); + struct dm_dev_internal *dd = + list_entry(tmp, struct dm_dev_internal, list); kfree(dd); } } @@ -327,12 +328,12 @@ static int lookup_device(const char *path, dev_t *dev) /* * See if we've already got a device in the list. */ -static struct dm_dev *find_device(struct list_head *l, dev_t dev) +static struct dm_dev_internal *find_device(struct list_head *l, dev_t dev) { - struct dm_dev *dd; + struct dm_dev_internal *dd; list_for_each_entry (dd, l, list) - if (dd->bdev->bd_dev == dev) + if (dd->dm_dev.bdev->bd_dev == dev) return dd; return NULL; @@ -341,45 +342,47 @@ static struct dm_dev *find_device(struct list_head *l, dev_t dev) /* * Open a device so we can use it as a map destination. */ -static int open_dev(struct dm_dev *d, dev_t dev, struct mapped_device *md) +static int open_dev(struct dm_dev_internal *d, dev_t dev, + struct mapped_device *md) { static char *_claim_ptr = "I belong to device-mapper"; struct block_device *bdev; int r; - BUG_ON(d->bdev); + BUG_ON(d->dm_dev.bdev); - bdev = open_by_devnum(dev, d->mode); + bdev = open_by_devnum(dev, d->dm_dev.mode); if (IS_ERR(bdev)) return PTR_ERR(bdev); r = bd_claim_by_disk(bdev, _claim_ptr, dm_disk(md)); if (r) blkdev_put(bdev); else - d->bdev = bdev; + d->dm_dev.bdev = bdev; return r; } /* * Close a device that we've been using. */ -static void close_dev(struct dm_dev *d, struct mapped_device *md) +static void close_dev(struct dm_dev_internal *d, struct mapped_device *md) { - if (!d->bdev) + if (!d->dm_dev.bdev) return; - bd_release_from_disk(d->bdev, dm_disk(md)); - blkdev_put(d->bdev); - d->bdev = NULL; + bd_release_from_disk(d->dm_dev.bdev, dm_disk(md)); + blkdev_put(d->dm_dev.bdev); + d->dm_dev.bdev = NULL; } /* * If possible, this checks an area of a destination device is valid. */ -static int check_device_area(struct dm_dev *dd, sector_t start, sector_t len) +static int check_device_area(struct dm_dev_internal *dd, sector_t start, + sector_t len) { - sector_t dev_size = dd->bdev->bd_inode->i_size >> SECTOR_SHIFT; + sector_t dev_size = dd->dm_dev.bdev->bd_inode->i_size >> SECTOR_SHIFT; if (!dev_size) return 1; @@ -392,16 +395,17 @@ static int check_device_area(struct dm_dev *dd, sector_t start, sector_t len) * careful to leave things as they were if we fail to reopen the * device. */ -static int upgrade_mode(struct dm_dev *dd, int new_mode, struct mapped_device *md) +static int upgrade_mode(struct dm_dev_internal *dd, int new_mode, + struct mapped_device *md) { int r; - struct dm_dev dd_copy; - dev_t dev = dd->bdev->bd_dev; + struct dm_dev_internal dd_copy; + dev_t dev = dd->dm_dev.bdev->bd_dev; dd_copy = *dd; - dd->mode |= new_mode; - dd->bdev = NULL; + dd->dm_dev.mode |= new_mode; + dd->dm_dev.bdev = NULL; r = open_dev(dd, dev, md); if (!r) close_dev(&dd_copy, md); @@ -421,7 +425,7 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti, { int r; dev_t uninitialized_var(dev); - struct dm_dev *dd; + struct dm_dev_internal *dd; unsigned int major, minor; BUG_ON(!t); @@ -443,20 +447,20 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti, if (!dd) return -ENOMEM; - dd->mode = mode; - dd->bdev = NULL; + dd->dm_dev.mode = mode; + dd->dm_dev.bdev = NULL; if ((r = open_dev(dd, dev, t->md))) { kfree(dd); return r; } - format_dev_t(dd->name, dev); + format_dev_t(dd->dm_dev.name, dev); atomic_set(&dd->count, 0); list_add(&dd->list, &t->devices); - } else if (dd->mode != (mode | dd->mode)) { + } else if (dd->dm_dev.mode != (mode | dd->dm_dev.mode)) { r = upgrade_mode(dd, mode, t->md); if (r) return r; @@ -465,11 +469,11 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti, if (!check_device_area(dd, start, len)) { DMWARN("device %s too small for target", path); - dm_put_device(ti, dd); + dm_put_device(ti, &dd->dm_dev); return -EINVAL; } - *result = dd; + *result = &dd->dm_dev; return 0; } @@ -540,8 +544,11 @@ int dm_get_device(struct dm_target *ti, const char *path, sector_t start, /* * Decrement a devices use count and remove it if necessary. */ -void dm_put_device(struct dm_target *ti, struct dm_dev *dd) +void dm_put_device(struct dm_target *ti, struct dm_dev *d) { + struct dm_dev_internal *dd = container_of(d, struct dm_dev_internal, + dm_dev); + if (atomic_dec_and_test(&dd->count)) { close_dev(dd, ti->table->md); list_del(&dd->list); @@ -937,12 +944,12 @@ int dm_table_resume_targets(struct dm_table *t) int dm_table_any_congested(struct dm_table *t, int bdi_bits) { - struct dm_dev *dd; + struct dm_dev_internal *dd; struct list_head *devices = dm_table_get_devices(t); int r = 0; list_for_each_entry(dd, devices, list) { - struct request_queue *q = bdev_get_queue(dd->bdev); + struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev); r |= bdi_congested(&q->backing_dev_info, bdi_bits); } @@ -951,11 +958,11 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits) void dm_table_unplug_all(struct dm_table *t) { - struct dm_dev *dd; + struct dm_dev_internal *dd; struct list_head *devices = dm_table_get_devices(t); list_for_each_entry(dd, devices, list) { - struct request_queue *q = bdev_get_queue(dd->bdev); + struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev); blk_unplug(q); } diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 1e59a0b0a78a..65f2f562220e 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -25,13 +25,10 @@ /* * List of devices that a metadevice uses and should open/close. */ -struct dm_dev { +struct dm_dev_internal { struct list_head list; - atomic_t count; - int mode; - struct block_device *bdev; - char name[16]; + struct dm_dev dm_dev; }; struct dm_table; diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index a90222e3297d..178390de195e 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -13,7 +13,6 @@ struct dm_target; struct dm_table; -struct dm_dev; struct mapped_device; struct bio_vec; @@ -84,6 +83,12 @@ void dm_error(const char *message); */ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev); +struct dm_dev { + struct block_device *bdev; + int mode; + char name[16]; +}; + /* * Constructors should call these functions to ensure destination devices * are opened/closed correctly. -- GitLab From 89343da077ad564ed130c46e5ea6a79388410fa5 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:10 +0100 Subject: [PATCH 3423/6244] dm: publish dm_get_mapinfo Publish dm_get_mapinfo in include/linux/device-mapper.h because this function is used by targets. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm.h | 1 - include/linux/device-mapper.h | 1 + 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 65f2f562220e..911d434361dd 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -91,7 +91,6 @@ int dm_stripe_init(void); void dm_stripe_exit(void); void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); -union map_info *dm_get_mapinfo(struct bio *bio); int dm_open_count(struct mapped_device *md); int dm_lock_for_deletion(struct mapped_device *md); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 178390de195e..6b80961650f0 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -207,6 +207,7 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid); struct gendisk *dm_disk(struct mapped_device *md); int dm_suspended(struct mapped_device *md); int dm_noflush_suspending(struct dm_target *ti); +union map_info *dm_get_mapinfo(struct bio *bio); /* * Geometry functions. -- GitLab From ea0ec640940c2ae3a8d71af3249fccf06a9997a3 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:11 +0100 Subject: [PATCH 3424/6244] dm: publish dm_table_unplug_all Publish dm_table_unplug_all in include/linux/device-mapper.h because this function is used by targets. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm.h | 1 - include/linux/device-mapper.h | 5 +++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 911d434361dd..8812208978e3 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -46,7 +46,6 @@ void dm_table_presuspend_targets(struct dm_table *t); void dm_table_postsuspend_targets(struct dm_table *t); int dm_table_resume_targets(struct dm_table *t); int dm_table_any_congested(struct dm_table *t, int bdi_bits); -void dm_table_unplug_all(struct dm_table *t); /* * To check the return value from dm_table_find_target(). diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 6b80961650f0..e462c7f3b391 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -237,6 +237,11 @@ int dm_table_add_target(struct dm_table *t, const char *type, */ int dm_table_complete(struct dm_table *t); +/* + * Unplug all devices in a table. + */ +void dm_table_unplug_all(struct dm_table *t); + /* * Table reference counting. */ -- GitLab From 54160904260fa764ba6e2dc738770be30fdf9553 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Fri, 10 Oct 2008 13:37:12 +0100 Subject: [PATCH 3425/6244] dm: publish dm_vcalloc Publish dm_vcalloc in include/linux/device-mapper.h because this function is used by targets. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm.h | 1 - include/linux/device-mapper.h | 5 +++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 8812208978e3..cd189da2b2fa 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -89,7 +89,6 @@ void dm_linear_exit(void); int dm_stripe_init(void); void dm_stripe_exit(void); -void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); int dm_open_count(struct mapped_device *md); int dm_lock_for_deletion(struct mapped_device *md); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index e462c7f3b391..08d783592b73 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -267,6 +267,11 @@ void dm_table_event(struct dm_table *t); */ int dm_swap_table(struct mapped_device *md, struct dm_table *t); +/* + * A wrapper around vmalloc. + */ +void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); + /*----------------------------------------------------------------- * Macros. *---------------------------------------------------------------*/ -- GitLab From 0c2322e4ce144e130c03d813fe92de3798662c5e Mon Sep 17 00:00:00 2001 From: Alasdair G Kergon Date: Fri, 10 Oct 2008 13:37:13 +0100 Subject: [PATCH 3426/6244] dm: detect lost queue Detect and report buggy drivers that destroy their request_queue. Signed-off-by: Alasdair G Kergon Cc: Stefan Raspl Cc: Jens Axboe Cc: Andrew Morton --- drivers/md/dm-table.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5dd32b8a57ac..a740a6950f59 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -482,6 +482,13 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); struct io_restrictions *rs = &ti->limits; + char b[BDEVNAME_SIZE]; + + if (unlikely(!q)) { + DMWARN("%s: Cannot set limits for nonexistent device %s", + dm_device_name(ti->table->md), bdevname(bdev, b)); + return; + } /* * Combine the device limits low. @@ -950,7 +957,14 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits) list_for_each_entry(dd, devices, list) { struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev); - r |= bdi_congested(&q->backing_dev_info, bdi_bits); + char b[BDEVNAME_SIZE]; + + if (likely(q)) + r |= bdi_congested(&q->backing_dev_info, bdi_bits); + else + DMWARN_LIMIT("%s: any_congested: nonexistent device %s", + dm_device_name(t->md), + bdevname(dd->dm_dev.bdev, b)); } return r; @@ -963,8 +977,14 @@ void dm_table_unplug_all(struct dm_table *t) list_for_each_entry(dd, devices, list) { struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev); - - blk_unplug(q); + char b[BDEVNAME_SIZE]; + + if (likely(q)) + blk_unplug(q); + else + DMWARN_LIMIT("%s: Cannot unplug nonexistent device %s", + dm_device_name(t->md), + bdevname(dd->dm_dev.bdev, b)); } } -- GitLab From 4e8086d65bd0a606434a4b16611653387f8c9698 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 21:07:55 +0800 Subject: [PATCH 3427/6244] Blackfin arch: update anomaly headers to match the latest sheet Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- .../mach-bf527/include/mach/anomaly.h | 158 +++++++++++++----- .../mach-bf533/include/mach/anomaly.h | 49 +++--- .../mach-bf537/include/mach/anomaly.h | 2 + .../mach-bf548/include/mach/anomaly.h | 91 +++++++++- .../mach-bf561/include/mach/anomaly.h | 2 + 5 files changed, 227 insertions(+), 75 deletions(-) diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h index dc26912430ee..62373e61c585 100644 --- a/arch/blackfin/mach-bf527/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h @@ -7,12 +7,24 @@ */ /* This file shoule be up to date with: - * - Revision C, 01/25/2008; ADSP-BF527 Blackfin Processor Anomaly List + * - Revision B, 08/12/2008; ADSP-BF526 Blackfin Processor Anomaly List + * - Revision E, 08/18/2008; ADSP-BF527 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ +#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__) +# define ANOMALY_BF526 1 +#else +# define ANOMALY_BF526 0 +#endif +#if defined(__ADSPBF523__) || defined(__ADSPBF525__) || defined(__ADSPBF527__) +# define ANOMALY_BF527 1 +#else +# define ANOMALY_BF527 0 +#endif + /* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ @@ -23,70 +35,124 @@ #define ANOMALY_05000245 (1) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ #define ANOMALY_05000265 (1) -/* New Feature: EMAC TX DMA Word Alignment */ -#define ANOMALY_05000285 (1) +/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ +#define ANOMALY_05000310 (1) /* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (ANOMALY_BF527) +/* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */ +#define ANOMALY_05000313 (__SILICON_REVISION__ < 2) /* Incorrect Access of OTP_STATUS During otp_write() Function */ -#define ANOMALY_05000328 (1) +#define ANOMALY_05000328 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Disallowed Configuration Prevents Subsequent Allowed Configuration on Host DMA Port */ -#define ANOMALY_05000337 (1) +#define ANOMALY_05000337 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ -#define ANOMALY_05000341 (1) +#define ANOMALY_05000341 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* TWI May Not Operate Correctly Under Certain Signal Termination Conditions */ -#define ANOMALY_05000342 (1) +#define ANOMALY_05000342 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* USB Calibration Value Is Not Initialized */ -#define ANOMALY_05000346 (1) +#define ANOMALY_05000346 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* USB Calibration Value to use */ #define ANOMALY_05000346_value 0xE510 /* Preboot Routine Incorrectly Alters Reset Value of USB Register */ -#define ANOMALY_05000347 (1) +#define ANOMALY_05000347 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Security Features Are Not Functional */ -#define ANOMALY_05000348 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000348 (ANOMALY_BF527 && __SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (ANOMALY_BF526) /* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ -#define ANOMALY_05000355 (1) +#define ANOMALY_05000355 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Incorrect Revision Number in DSPID Register */ -#define ANOMALY_05000364 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000364 (ANOMALY_BF527 && __SILICON_REVISION__ == 1) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) -/* New Feature: Higher Default CCLK Rate */ -#define ANOMALY_05000368 (1) +/* Incorrect Default CSEL Value in PLL_DIV */ +#define ANOMALY_05000368 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Authentication Fails To Initiate */ -#define ANOMALY_05000376 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000376 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Data Read From L3 Memory by USB DMA May be Corrupted */ -#define ANOMALY_05000380 (1) -/* USB Full-speed Mode not Fully Tested */ -#define ANOMALY_05000381 (1) -/* New Feature: Boot from OTP Memory */ -#define ANOMALY_05000385 (1) -/* New Feature: bfrom_SysControl() Routine */ -#define ANOMALY_05000386 (1) -/* New Feature: Programmable Preboot Settings */ -#define ANOMALY_05000387 (1) +#define ANOMALY_05000380 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 2) +/* Host Must Not Read Back During Host DMA Boot */ +#define ANOMALY_05000384 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 2) /* Reset Vector Must Not Be in SDRAM Memory Space */ -#define ANOMALY_05000389 (1) -/* New Feature: pTempCurrent Added to ADI_BOOT_DATA Structure */ -#define ANOMALY_05000392 (1) -/* New Feature: dTempByteCount Value Increased in ADI_BOOT_DATA Structure */ -#define ANOMALY_05000393 (1) -/* New Feature: Log Buffer Functionality */ -#define ANOMALY_05000394 (1) -/* New Feature: Hook Routine Functionality */ -#define ANOMALY_05000395 (1) -/* New Feature: Header Indirect Bit */ -#define ANOMALY_05000396 (1) -/* New Feature: BK_ONES, BK_ZEROS, and BK_DATECODE Constants */ -#define ANOMALY_05000397 (1) -/* New Feature: SWRESET, DFRESET and WDRESET Bits Added to SYSCR Register */ -#define ANOMALY_05000398 (1) -/* New Feature: BCODE_NOBOOT Added to BCODE Field of SYSCR Register */ -#define ANOMALY_05000399 (1) +#define ANOMALY_05000389 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* SWRESET, DFRESET and WDRESET Bits in the SYSCR Register Not Functional */ +#define ANOMALY_05000398 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BCODE_NOBOOT in BCODE Field of SYSCR Register Not Functional */ +#define ANOMALY_05000399 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* PPI Data Signals D0 and D8 do not Tristate After Disabling PPI */ -#define ANOMALY_05000401 (1) +#define ANOMALY_05000401 (__SILICON_REVISION__ < 2) +/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ +#define ANOMALY_05000403 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* Incorrect Default Internal Voltage Regulator Setting */ +#define ANOMALY_05000410 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* DEB2_URGENT Bit Not Functional */ +#define ANOMALY_05000415 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* SPORT0 Ignores External TSCLK0 on PG14 When TMR6 is an Output */ +#define ANOMALY_05000417 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* tSFSPE and tHFSPE Do Not Meet Data Sheet Specifications */ +#define ANOMALY_05000418 (__SILICON_REVISION__ < 2) +/* USB PLL_STABLE Bit May Not Accurately Reflect the USB PLL's Status */ +#define ANOMALY_05000420 (__SILICON_REVISION__ < 2) +/* TWI Fall Time (Tof) May Violate the Minimum I2C Specification */ +#define ANOMALY_05000421 (1) +/* TWI Input Capacitance (Ci) May Violate the Maximum I2C Specification */ +#define ANOMALY_05000422 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* Certain Ethernet Frames With Errors are Misclassified in RMII Mode */ +#define ANOMALY_05000423 (__SILICON_REVISION__ < 2) +/* Internal Voltage Regulator Not Trimmed */ +#define ANOMALY_05000424 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (__SILICON_REVISION__ < 2) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Reflects Buffer Status Instead of IRQ Status */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* bfrom_SysControl() Does Not Clear SIC_IWR1 Before Executing PLL Programming Sequence */ +#define ANOMALY_05000432 (ANOMALY_BF526) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -99,6 +165,8 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000285 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf533/include/mach/anomaly.h b/arch/blackfin/mach-bf533/include/mach/anomaly.h index 8f7ea112fd3a..f544fc56959a 100644 --- a/arch/blackfin/mach-bf533/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf533/include/mach/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision C, 02/08/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List + * - Revision D, 06/18/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -97,11 +97,11 @@ /* UART STB Bit Incorrectly Affects Receiver Setting */ #define ANOMALY_05000231 (__SILICON_REVISION__ < 5) /* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */ -#define ANOMALY_05000233 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000233 (__SILICON_REVISION__ < 6) /* Incorrect Revision Number in DSPID Register */ #define ANOMALY_05000234 (__SILICON_REVISION__ == 4) /* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */ -#define ANOMALY_05000242 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000242 (__SILICON_REVISION__ < 5) /* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */ #define ANOMALY_05000244 (__SILICON_REVISION__ < 5) /* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */ @@ -131,7 +131,7 @@ /* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */ #define ANOMALY_05000264 (__SILICON_REVISION__ < 5) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ -#define ANOMALY_05000265 (__SILICON_REVISION__ < 5) +#define ANOMALY_05000265 (1) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */ #define ANOMALY_05000269 (__SILICON_REVISION__ < 5) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */ @@ -141,56 +141,59 @@ /* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */ #define ANOMALY_05000272 (1) /* Writes to Synchronous SDRAM Memory May Be Lost */ -#define ANOMALY_05000273 (1) +#define ANOMALY_05000273 (__SILICON_REVISION__ < 6) /* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */ #define ANOMALY_05000276 (1) /* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */ -#define ANOMALY_05000277 (1) +#define ANOMALY_05000277 (__SILICON_REVISION__ < 6) /* Disabling Peripherals with DMA Running May Cause DMA System Instability */ -#define ANOMALY_05000278 (1) +#define ANOMALY_05000278 (__SILICON_REVISION__ < 6) /* False Hardware Error Exception When ISR Context Is Not Restored */ -#define ANOMALY_05000281 (1) +#define ANOMALY_05000281 (__SILICON_REVISION__ < 6) /* Memory DMA Corruption with 32-Bit Data and Traffic Control */ -#define ANOMALY_05000282 (1) +#define ANOMALY_05000282 (__SILICON_REVISION__ < 6) /* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */ -#define ANOMALY_05000283 (1) +#define ANOMALY_05000283 (__SILICON_REVISION__ < 6) /* SPORTs May Receive Bad Data If FIFOs Fill Up */ -#define ANOMALY_05000288 (1) +#define ANOMALY_05000288 (__SILICON_REVISION__ < 6) /* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */ -#define ANOMALY_05000301 (1) +#define ANOMALY_05000301 (__SILICON_REVISION__ < 6) /* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */ #define ANOMALY_05000302 (__SILICON_REVISION__ < 5) /* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) /* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */ #define ANOMALY_05000306 (__SILICON_REVISION__ < 5) +/* SCKELOW Bit Does Not Maintain State Through Hibernate */ +#define ANOMALY_05000307 (1) /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ #define ANOMALY_05000310 (1) /* Erroneous Flag (GPIO) Pin Operations under Specific Sequences */ -#define ANOMALY_05000311 (1) +#define ANOMALY_05000311 (__SILICON_REVISION__ < 6) /* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (__SILICON_REVISION__ < 6) /* PPI Is Level-Sensitive on First Transfer */ -#define ANOMALY_05000313 (1) +#define ANOMALY_05000313 (__SILICON_REVISION__ < 6) /* Killed System MMR Write Completes Erroneously On Next System MMR Access */ -#define ANOMALY_05000315 (1) +#define ANOMALY_05000315 (__SILICON_REVISION__ < 6) /* Internal Voltage Regulator Values of 1.05V, 1.10V and 1.15V Not Allowed for LQFP Packages */ -#define ANOMALY_05000319 (ANOMALY_BF531 || ANOMALY_BF532) +#define ANOMALY_05000319 ((ANOMALY_BF531 || ANOMALY_BF532) && __SILICON_REVISION__ < 6) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (__SILICON_REVISION__ < 6) /* UART Break Signal Issues */ #define ANOMALY_05000363 (__SILICON_REVISION__ < 5) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 6) /* PPI Does Not Start Properly In Specific Mode */ -#define ANOMALY_05000400 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000400 (__SILICON_REVISION__ == 5) /* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */ -#define ANOMALY_05000402 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000402 (__SILICON_REVISION__ == 5) /* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ #define ANOMALY_05000403 (1) - +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) /* These anomalies have been "phased" out of analog.com anomaly sheets and are * here to show running on older silicon just isn't feasible. @@ -268,5 +271,7 @@ /* Anomalies that don't exist on this proc */ #define ANOMALY_05000266 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h index 8460ab9c324f..c68992494f9e 100644 --- a/arch/blackfin/mach-bf537/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h @@ -158,6 +158,8 @@ #define ANOMALY_05000266 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) #define ANOMALY_05000363 (0) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h index d02cd8038285..816b09278f62 100644 --- a/arch/blackfin/mach-bf548/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h @@ -2,18 +2,18 @@ * File: include/asm-blackfin/mach-bf548/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2007 Analog Devices Inc. + * Copyright (C) 2004-2008 Analog Devices Inc. * Licensed under the GPL-2 or later. */ /* This file shoule be up to date with: - * - Revision E, 11/28/2007; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List + * - Revision G, 08/07/2008; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ -/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */ +/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ #define ANOMALY_05000119 (1) @@ -36,14 +36,14 @@ /* TWI Slave Boot Mode Is Not Functional */ #define ANOMALY_05000324 (__SILICON_REVISION__ < 1) /* External FIFO Boot Mode Is Not Functional */ -#define ANOMALY_05000325 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000325 (__SILICON_REVISION__ < 2) /* Data Lost When Core and DMA Accesses Are Made to the USB FIFO Simultaneously */ #define ANOMALY_05000327 (__SILICON_REVISION__ < 1) /* Incorrect Access of OTP_STATUS During otp_write() Function */ #define ANOMALY_05000328 (__SILICON_REVISION__ < 1) /* Synchronous Burst Flash Boot Mode Is Not Functional */ #define ANOMALY_05000329 (__SILICON_REVISION__ < 1) -/* Host DMA Boot Mode Is Not Functional */ +/* Host DMA Boot Modes Are Not Functional */ #define ANOMALY_05000330 (__SILICON_REVISION__ < 1) /* Inadequate Timing Margins on DDR DQS to DQ and DQM Skew */ #define ANOMALY_05000334 (__SILICON_REVISION__ < 1) @@ -63,26 +63,100 @@ #define ANOMALY_05000346 (__SILICON_REVISION__ < 1) /* USB Calibration Value to use */ #define ANOMALY_05000346_value 0x5411 -/* Boot ROM Kernel Incorrectly Alters Reset Value of USB Register */ +/* Preboot Routine Incorrectly Alters Reset Value of USB Register */ #define ANOMALY_05000347 (__SILICON_REVISION__ < 1) /* Data Lost when Core Reads SDH Data FIFO */ #define ANOMALY_05000349 (__SILICON_REVISION__ < 1) /* PLL Status Register Is Inaccurate */ #define ANOMALY_05000351 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (__SILICON_REVISION__ < 2) +/* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ +#define ANOMALY_05000355 (__SILICON_REVISION__ < 1) +/* System Stalled During A Core Access To AMC While A Core Access To NFC FIFO Is Required */ +#define ANOMALY_05000356 (__SILICON_REVISION__ < 1) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ #define ANOMALY_05000357 (1) /* External Memory Read Access Hangs Core With PLL Bypass */ #define ANOMALY_05000360 (1) /* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ #define ANOMALY_05000365 (1) +/* WURESET Bit In SYSCR Register Does Not Properly Indicate Hibernate Wake-Up */ +#define ANOMALY_05000367 (__SILICON_REVISION__ < 1) /* Addressing Conflict between Boot ROM and Asynchronous Memory */ #define ANOMALY_05000369 (1) +/* Default PLL MSEL and SSEL Settings Can Cause 400MHz Product To Violate Specifications */ +#define ANOMALY_05000370 (__SILICON_REVISION__ < 1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 2) +/* USB DP/DM Data Pins May Lose State When Entering Hibernate */ +#define ANOMALY_05000372 (__SILICON_REVISION__ < 1) /* Mobile DDR Operation Not Functional */ #define ANOMALY_05000377 (1) /* Security/Authentication Speedpath Causes Authentication To Fail To Initiate */ -#define ANOMALY_05000378 (1) +#define ANOMALY_05000378 (__SILICON_REVISION__ < 2) +/* 16-Bit NAND FLASH Boot Mode Is Not Functional */ +#define ANOMALY_05000379 (1) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 1) +/* Some ATAPI Modes Are Not Functional */ +#define ANOMALY_05000383 (1) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (__SILICON_REVISION__ < 1) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (__SILICON_REVISION__ < 1) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 1) +/* Reset Vector Must Not Be in SDRAM Memory Space */ +#define ANOMALY_05000389 (__SILICON_REVISION__ < 1) +/* Changed Meaning of BCODE Field in SYSCR Register */ +#define ANOMALY_05000390 (__SILICON_REVISION__ < 1) +/* Repeated Boot from Page-Mode or Burst-Mode Flash Memory May Fail */ +#define ANOMALY_05000391 (__SILICON_REVISION__ < 1) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (__SILICON_REVISION__ < 1) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (__SILICON_REVISION__ < 1) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (__SILICON_REVISION__ < 1) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (__SILICON_REVISION__ < 1) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (__SILICON_REVISION__ < 1) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (__SILICON_REVISION__ < 1) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Argument Checking Does Not Check L2 Memory Protection Range */ +#define ANOMALY_05000406 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* NAND Boot Mode Not Compatible With Some NAND Flash Devices */ +#define ANOMALY_05000413 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (1) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* CORE_EPPI_PRIO bit and SYS_EPPI_PRIO bit in the HMDMA1_CONTROL register are not functional */ +#define ANOMALY_05000427 (__SILICON_REVISION__ < 2) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Behaves as a Buffer Status Bit Instead of an IRQ Status Bit */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (__SILICON_REVISION__ >= 2) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -95,6 +169,7 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf561/include/mach/anomaly.h b/arch/blackfin/mach-bf561/include/mach/anomaly.h index 5c5d7d7d695f..22990df04ae1 100644 --- a/arch/blackfin/mach-bf561/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf561/include/mach/anomaly.h @@ -270,5 +270,7 @@ #define ANOMALY_05000183 (0) #define ANOMALY_05000273 (0) #define ANOMALY_05000311 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif -- GitLab From e1fee94f346387739e683b31815ab54dc0a30bd6 Mon Sep 17 00:00:00 2001 From: Oliver Schuster Date: Wed, 5 Mar 2008 16:48:45 +0100 Subject: [PATCH 3428/6244] [WATCHDOG] add watchdog driver IT8716 IT8726 IT8712J/K Add it87xx watchdog driver IT8716 IT8718 IT8726 IT8712-J IT8712-K Signed-off-by: Oliver Schuster Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/Kconfig | 12 + drivers/watchdog/Makefile | 1 + drivers/watchdog/it87_wdt.c | 725 ++++++++++++++++++++++++++++++++++++ 3 files changed, 738 insertions(+) create mode 100644 drivers/watchdog/it87_wdt.c diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index c51036716700..82e65154e75c 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -416,6 +416,18 @@ config IT8712F_WDT To compile this driver as a module, choose M here: the module will be called it8712f_wdt. +config IT87_WDT + tristate "IT87 Watchdog Timer" + depends on X86 && EXPERIMENTAL + ---help--- + This is the driver for the hardware watchdog on the ITE IT8716, + IT8718, IT8726, IT8712(Version J,K) Super I/O chips. This watchdog + simply watches your kernel to make sure it doesn't freeze, and if + it does, it reboots your computer after a certain amount of time. + + To compile this driver as a module, choose M here: the module will + be called it87_wdt. + config HP_WATCHDOG tristate "HP Proliant iLO 2 Hardware Watchdog Timer" depends on X86 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index e0ef123fbdea..e2e4bcf0a56e 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -71,6 +71,7 @@ ifeq ($(CONFIG_ITCO_VENDOR_SUPPORT),y) obj-$(CONFIG_ITCO_WDT) += iTCO_vendor_support.o endif obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o +obj-$(CONFIG_IT87_WDT) += it87_wdt.o obj-$(CONFIG_HP_WATCHDOG) += hpwdt.o obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c new file mode 100644 index 000000000000..afb8af397a9f --- /dev/null +++ b/drivers/watchdog/it87_wdt.c @@ -0,0 +1,725 @@ +/* + * Watchdog Timer Driver + * for ITE IT87xx Environment Control - Low Pin Count Input / Output + * + * (c) Copyright 2007 Oliver Schuster + * + * Based on softdog.c by Alan Cox, + * 83977f_wdt.c by Jose Goncalves, + * it87.c by Chris Gauthron, Jean Delvare + * + * Data-sheets: Publicly available at the ITE website + * http://www.ite.com.tw/ + * + * Support of the watchdog timers, which are available on + * IT8716, IT8718, IT8726 and IT8712 (J,K version). + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define WATCHDOG_VERSION "1.12" +#define WATCHDOG_NAME "IT87 WDT" +#define PFX WATCHDOG_NAME ": " +#define DRIVER_VERSION WATCHDOG_NAME " driver, v" WATCHDOG_VERSION "\n" +#define WD_MAGIC 'V' + +/* Defaults for Module Parameter */ +#define DEFAULT_NOGAMEPORT 0 +#define DEFAULT_EXCLUSIVE 1 +#define DEFAULT_TIMEOUT 60 +#define DEFAULT_TESTMODE 0 +#define DEFAULT_NOWAYOUT WATCHDOG_NOWAYOUT + +/* IO Ports */ +#define REG 0x2e +#define VAL 0x2f + +/* Logical device Numbers LDN */ +#define GPIO 0x07 +#define GAMEPORT 0x09 +#define CIR 0x0a + +/* Configuration Registers and Functions */ +#define LDNREG 0x07 +#define CHIPID 0x20 +#define CHIPREV 0x22 +#define ACTREG 0x30 +#define BASEREG 0x60 + +/* Chip Id numbers */ +#define NO_DEV_ID 0xffff +#define IT8705_ID 0x8705 +#define IT8712_ID 0x8712 +#define IT8716_ID 0x8716 +#define IT8718_ID 0x8718 +#define IT8726_ID 0x8726 /* the data sheet suggest wrongly 0x8716 */ + +/* GPIO Configuration Registers LDN=0x07 */ +#define WDTCTRL 0x71 +#define WDTCFG 0x72 +#define WDTVALLSB 0x73 +#define WDTVALMSB 0x74 + +/* GPIO Bits WDTCTRL */ +#define WDT_CIRINT 0x80 +#define WDT_MOUSEINT 0x40 +#define WDT_KYBINT 0x20 +#define WDT_GAMEPORT 0x10 /* not it8718 */ +#define WDT_FORCE 0x02 +#define WDT_ZERO 0x01 + +/* GPIO Bits WDTCFG */ +#define WDT_TOV1 0x80 +#define WDT_KRST 0x40 +#define WDT_TOVE 0x20 +#define WDT_PWROK 0x10 +#define WDT_INT_MASK 0x0f + +/* CIR Configuration Register LDN=0x0a */ +#define CIR_ILS 0x70 + +/* The default Base address is not always available, we use this */ +#define CIR_BASE 0x0208 + +/* CIR Controller */ +#define CIR_DR(b) (b) +#define CIR_IER(b) (b + 1) +#define CIR_RCR(b) (b + 2) +#define CIR_TCR1(b) (b + 3) +#define CIR_TCR2(b) (b + 4) +#define CIR_TSR(b) (b + 5) +#define CIR_RSR(b) (b + 6) +#define CIR_BDLR(b) (b + 5) +#define CIR_BDHR(b) (b + 6) +#define CIR_IIR(b) (b + 7) + +/* Default Base address of Game port */ +#define GP_BASE_DEFAULT 0x0201 + +/* wdt_status */ +#define WDTS_TIMER_RUN 0 +#define WDTS_DEV_OPEN 1 +#define WDTS_KEEPALIVE 2 +#define WDTS_LOCKED 3 +#define WDTS_USE_GP 4 +#define WDTS_EXPECTED 5 + +static unsigned int base, gpact, ciract; +static unsigned long wdt_status; +static DEFINE_SPINLOCK(spinlock); + +static int nogameport = DEFAULT_NOGAMEPORT; +static int exclusive = DEFAULT_EXCLUSIVE; +static int timeout = DEFAULT_TIMEOUT; +static int testmode = DEFAULT_TESTMODE; +static int nowayout = DEFAULT_NOWAYOUT; + +module_param(nogameport, int, 0); +MODULE_PARM_DESC(nogameport, "Forbid the activation of game port, default=" + __MODULE_STRING(DEFAULT_NOGAMEPORT)); +module_param(exclusive, int, 0); +MODULE_PARM_DESC(exclusive, "Watchdog exclusive device open, default=" + __MODULE_STRING(DEFAULT_EXCLUSIVE)); +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds, default=" + __MODULE_STRING(DEFAULT_TIMEOUT)); +module_param(testmode, int, 0); +MODULE_PARM_DESC(testmode, "Watchdog test mode (1 = no reboot), default=" + __MODULE_STRING(DEFAULT_TESTMODE)); +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started, default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT)); + +/* Superio Chip */ + +static inline void superio_enter(void) +{ + outb(0x87, REG); + outb(0x01, REG); + outb(0x55, REG); + outb(0x55, REG); +} + +static inline void superio_exit(void) +{ + outb(0x02, REG); + outb(0x02, VAL); +} + +static inline void superio_select(int ldn) +{ + outb(LDNREG, REG); + outb(ldn, VAL); +} + +static inline int superio_inb(int reg) +{ + outb(reg, REG); + return inb(VAL); +} + +static inline void superio_outb(int val, int reg) +{ + outb(reg, REG); + outb(val, VAL); +} + +static inline int superio_inw(int reg) +{ + int val; + outb(reg++, REG); + val = inb(VAL) << 8; + outb(reg, REG); + val |= inb(VAL); + return val; +} + +static inline void superio_outw(int val, int reg) +{ + outb(reg++, REG); + outb(val >> 8, VAL); + outb(reg, REG); + outb(val, VAL); +} + +/* watchdog timer handling */ + +static void wdt_keepalive(void) +{ + if (test_bit(WDTS_USE_GP, &wdt_status)) + inb(base); + else + /* The timer reloads with around 5 msec delay */ + outb(0x55, CIR_DR(base)); + set_bit(WDTS_KEEPALIVE, &wdt_status); +} + +static void wdt_start(void) +{ + unsigned long flags; + + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + + superio_select(GPIO); + if (test_bit(WDTS_USE_GP, &wdt_status)) + superio_outb(WDT_GAMEPORT, WDTCTRL); + else + superio_outb(WDT_CIRINT, WDTCTRL); + if (!testmode) + superio_outb(WDT_TOV1 | WDT_KRST | WDT_PWROK, WDTCFG); + else + superio_outb(WDT_TOV1, WDTCFG); + superio_outb(timeout>>8, WDTVALMSB); + superio_outb(timeout, WDTVALLSB); + + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); +} + +static void wdt_stop(void) +{ + unsigned long flags; + + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + + superio_select(GPIO); + superio_outb(0x00, WDTCTRL); + superio_outb(WDT_TOV1, WDTCFG); + superio_outb(0x00, WDTVALMSB); + superio_outb(0x00, WDTVALLSB); + + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); +} + +/** + * wdt_set_timeout - set a new timeout value with watchdog ioctl + * @t: timeout value in seconds + * + * The hardware device has a 16 bit watchdog timer, thus the + * timeout time ranges between 1 and 65535 seconds. + * + * Used within WDIOC_SETTIMEOUT watchdog device ioctl. + */ + +static int wdt_set_timeout(int t) +{ + unsigned long flags; + + if (t < 1 || t > 65535) + return -EINVAL; + + timeout = t; + + spin_lock_irqsave(&spinlock, flags); + if (test_bit(WDTS_TIMER_RUN, &wdt_status)) { + superio_enter(); + + superio_select(GPIO); + superio_outb(t>>8, WDTVALMSB); + superio_outb(t, WDTVALLSB); + + superio_exit(); + } + spin_unlock_irqrestore(&spinlock, flags); + return 0; +} + +/** + * wdt_get_status - determines the status supported by watchdog ioctl + * @status: status returned to user space + * + * The status bit of the device does not allow to distinguish + * between a regular system reset and a watchdog forced reset. + * But, in test mode it is useful, so it is supported through + * WDIOC_GETSTATUS watchdog ioctl. Additionally the driver + * reports the keepalive signal and the acception of the magic. + * + * Used within WDIOC_GETSTATUS watchdog device ioctl. + */ + +static int wdt_get_status(int *status) +{ + unsigned long flags; + + *status = 0; + if (testmode) { + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + superio_select(GPIO); + if (superio_inb(WDTCTRL) & WDT_ZERO) { + superio_outb(0x00, WDTCTRL); + clear_bit(WDTS_TIMER_RUN, &wdt_status); + *status |= WDIOF_CARDRESET; + } + + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + } + if (test_and_clear_bit(WDTS_KEEPALIVE, &wdt_status)) + *status |= WDIOF_KEEPALIVEPING; + if (test_bit(WDTS_EXPECTED, &wdt_status)) + *status |= WDIOF_MAGICCLOSE; + return 0; +} + +/* /dev/watchdog handling */ + +/** + * wdt_open - watchdog file_operations .open + * @inode: inode of the device + * @file: file handle to the device + * + * The watchdog timer starts by opening the device. + * + * Used within the file operation of the watchdog device. + */ + +static int wdt_open(struct inode *inode, struct file *file) +{ + if (exclusive && test_and_set_bit(WDTS_DEV_OPEN, &wdt_status)) + return -EBUSY; + if (!test_and_set_bit(WDTS_TIMER_RUN, &wdt_status)) { + if (nowayout && !test_and_set_bit(WDTS_LOCKED, &wdt_status)) + __module_get(THIS_MODULE); + wdt_start(); + } + return nonseekable_open(inode, file); +} + +/** + * wdt_release - watchdog file_operations .release + * @inode: inode of the device + * @file: file handle to the device + * + * Closing the watchdog device either stops the watchdog timer + * or in the case, that nowayout is set or the magic character + * wasn't written, a critical warning about an running watchdog + * timer is given. + * + * Used within the file operation of the watchdog device. + */ + +static int wdt_release(struct inode *inode, struct file *file) +{ + if (test_bit(WDTS_TIMER_RUN, &wdt_status)) { + if (test_and_clear_bit(WDTS_EXPECTED, &wdt_status)) { + wdt_stop(); + clear_bit(WDTS_TIMER_RUN, &wdt_status); + } else { + wdt_keepalive(); + printk(KERN_CRIT PFX + "unexpected close, not stopping watchdog!\n"); + } + } + clear_bit(WDTS_DEV_OPEN, &wdt_status); + return 0; +} + +/** + * wdt_write - watchdog file_operations .write + * @file: file handle to the watchdog + * @buf: buffer to write + * @count: count of bytes + * @ppos: pointer to the position to write. No seeks allowed + * + * A write to a watchdog device is defined as a keepalive signal. Any + * write of data will do, as we don't define content meaning. + * + * Used within the file operation of the watchdog device. + */ + +static ssize_t wdt_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + if (count) { + clear_bit(WDTS_EXPECTED, &wdt_status); + wdt_keepalive(); + } + if (!nowayout) { + size_t ofs; + + /* note: just in case someone wrote the magic character long ago */ + for (ofs = 0; ofs != count; ofs++) { + char c; + if (get_user(c, buf + ofs)) + return -EFAULT; + if (c == WD_MAGIC) + set_bit(WDTS_EXPECTED, &wdt_status); + } + } + return count; +} + +static struct watchdog_info ident = { + .options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING, + .firmware_version = 1, + .identity = WATCHDOG_NAME, +}; + +/** + * wdt_ioctl - watchdog file_operations .unlocked_ioctl + * @file: file handle to the device + * @cmd: watchdog command + * @arg: argument pointer + * + * The watchdog API defines a common set of functions for all watchdogs + * according to their available features. + * + * Used within the file operation of the watchdog device. + */ + +static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int rc = 0, status, new_options, new_timeout; + union { + struct watchdog_info __user *ident; + int __user *i; + } uarg; + + uarg.i = (int __user *)arg; + + switch (cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(uarg.ident, + &ident, sizeof(ident)) ? -EFAULT : 0; + + case WDIOC_GETSTATUS: + wdt_get_status(&status); + return put_user(status, uarg.i); + + case WDIOC_GETBOOTSTATUS: + return put_user(0, uarg.i); + + case WDIOC_KEEPALIVE: + wdt_keepalive(); + return 0; + + case WDIOC_SETOPTIONS: + if (get_user(new_options, uarg.i)) + return -EFAULT; + + switch (new_options) { + case WDIOS_DISABLECARD: + if (test_bit(WDTS_TIMER_RUN, &wdt_status)) + wdt_stop(); + clear_bit(WDTS_TIMER_RUN, &wdt_status); + return 0; + + case WDIOS_ENABLECARD: + if (!test_and_set_bit(WDTS_TIMER_RUN, &wdt_status)) + wdt_start(); + return 0; + + default: + return -EFAULT; + } + + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, uarg.i)) + return -EFAULT; + rc = wdt_set_timeout(new_timeout); + case WDIOC_GETTIMEOUT: + if (put_user(timeout, uarg.i)) + return -EFAULT; + return rc; + + default: + return -ENOTTY; + } +} + +static int wdt_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + if (code == SYS_DOWN || code == SYS_HALT) + wdt_stop(); + return NOTIFY_DONE; +} + +static const struct file_operations wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = wdt_write, + .unlocked_ioctl = wdt_ioctl, + .open = wdt_open, + .release = wdt_release, +}; + +static struct miscdevice wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &wdt_fops, +}; + +static struct notifier_block wdt_notifier = { + .notifier_call = wdt_notify_sys, +}; + +static int __init it87_wdt_init(void) +{ + int rc = 0; + u16 chip_type; + u8 chip_rev; + unsigned long flags; + + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + chip_type = superio_inw(CHIPID); + chip_rev = superio_inb(CHIPREV) & 0x0f; + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + + switch (chip_type) { + case IT8716_ID: + case IT8718_ID: + case IT8726_ID: + break; + case IT8712_ID: + if (chip_rev > 7) + break; + case IT8705_ID: + printk(KERN_ERR PFX + "Unsupported Chip found, Chip %04x Revision %02x\n", + chip_type, chip_rev); + return -ENODEV; + case NO_DEV_ID: + printk(KERN_ERR PFX "no device\n"); + return -ENODEV; + default: + printk(KERN_ERR PFX + "Unknown Chip found, Chip %04x Revision %04x\n", + chip_type, chip_rev); + return -ENODEV; + } + + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + + superio_select(GPIO); + superio_outb(WDT_TOV1, WDTCFG); + superio_outb(0x00, WDTCTRL); + + /* First try to get Gameport support */ + if (chip_type != IT8718_ID && !nogameport) { + superio_select(GAMEPORT); + base = superio_inw(BASEREG); + if (!base) { + base = GP_BASE_DEFAULT; + superio_outw(base, BASEREG); + } + gpact = superio_inb(ACTREG); + superio_outb(0x01, ACTREG); + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + if (request_region(base, 1, WATCHDOG_NAME)) + set_bit(WDTS_USE_GP, &wdt_status); + else + rc = -EIO; + } else { + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + } + + /* If we haven't Gameport support, try to get CIR support */ + if (!test_bit(WDTS_USE_GP, &wdt_status)) { + if (!request_region(CIR_BASE, 8, WATCHDOG_NAME)) { + if (rc == -EIO) + printk(KERN_ERR PFX + "I/O Address 0x%04x and 0x%04x" + " already in use\n", base, CIR_BASE); + else + printk(KERN_ERR PFX + "I/O Address 0x%04x already in use\n", + CIR_BASE); + rc = -EIO; + goto err_out; + } + base = CIR_BASE; + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + + superio_select(CIR); + superio_outw(base, BASEREG); + superio_outb(0x00, CIR_ILS); + ciract = superio_inb(ACTREG); + superio_outb(0x01, ACTREG); + if (rc == -EIO) { + superio_select(GAMEPORT); + superio_outb(gpact, ACTREG); + } + + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + } + + if (timeout < 1 || timeout > 65535) { + timeout = DEFAULT_TIMEOUT; + printk(KERN_WARNING PFX + "Timeout value out of range, use default %d sec\n", + DEFAULT_TIMEOUT); + } + + rc = register_reboot_notifier(&wdt_notifier); + if (rc) { + printk(KERN_ERR PFX + "Cannot register reboot notifier (err=%d)\n", rc); + goto err_out_region; + } + + rc = misc_register(&wdt_miscdev); + if (rc) { + printk(KERN_ERR PFX + "Cannot register miscdev on minor=%d (err=%d)\n", + wdt_miscdev.minor, rc); + goto err_out_reboot; + } + + /* Initialize CIR to use it as keepalive source */ + if (!test_bit(WDTS_USE_GP, &wdt_status)) { + outb(0x00, CIR_RCR(base)); + outb(0xc0, CIR_TCR1(base)); + outb(0x5c, CIR_TCR2(base)); + outb(0x10, CIR_IER(base)); + outb(0x00, CIR_BDHR(base)); + outb(0x01, CIR_BDLR(base)); + outb(0x09, CIR_IER(base)); + } + + printk(KERN_INFO PFX "Chip it%04x revision %d initialized. " + "timeout=%d sec (nowayout=%d testmode=%d exclusive=%d " + "nogameport=%d)\n", chip_type, chip_rev, timeout, + nowayout, testmode, exclusive, nogameport); + + return 0; + +err_out_reboot: + unregister_reboot_notifier(&wdt_notifier); +err_out_region: + release_region(base, test_bit(WDTS_USE_GP, &wdt_status) ? 1 : 8); + if (!test_bit(WDTS_USE_GP, &wdt_status)) { + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + superio_select(CIR); + superio_outb(ciract, ACTREG); + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + } +err_out: + if (chip_type != IT8718_ID && !nogameport) { + spin_lock_irqsave(&spinlock, flags); + superio_enter(); + superio_select(GAMEPORT); + superio_outb(gpact, ACTREG); + superio_exit(); + spin_unlock_irqrestore(&spinlock, flags); + } + + return rc; +} + +static void __exit it87_wdt_exit(void) +{ + unsigned long flags; + int nolock; + + nolock = !spin_trylock_irqsave(&spinlock, flags); + superio_enter(); + superio_select(GPIO); + superio_outb(0x00, WDTCTRL); + superio_outb(0x00, WDTCFG); + superio_outb(0x00, WDTVALMSB); + superio_outb(0x00, WDTVALLSB); + if (test_bit(WDTS_USE_GP, &wdt_status)) { + superio_select(GAMEPORT); + superio_outb(gpact, ACTREG); + } else { + superio_select(CIR); + superio_outb(ciract, ACTREG); + } + superio_exit(); + if (!nolock) + spin_unlock_irqrestore(&spinlock, flags); + + misc_deregister(&wdt_miscdev); + unregister_reboot_notifier(&wdt_notifier); + release_region(base, test_bit(WDTS_USE_GP, &wdt_status) ? 1 : 8); +} + +module_init(it87_wdt_init); +module_exit(it87_wdt_exit); + +MODULE_AUTHOR("Oliver Schuster"); +MODULE_DESCRIPTION("Hardware Watchdog Device Driver for IT87xx EC-LPC I/O"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -- GitLab From 7d8b09066117e3023e55964ae4626c107f437b60 Mon Sep 17 00:00:00 2001 From: Flemming Frandsen Date: Thu, 17 Apr 2008 11:29:54 +0200 Subject: [PATCH 3429/6244] [WATCHDOG] Add driver for winbond w83697ug/uf watchdog feature Adapted the w83627hf_wdt.c driver to work with the w83697ug/uf chip, found on MSI Fuzzy CX700 boards. The method used is taken directly from the winbond datasheet and surprisingly it differs slightly from all the other winbond watchdogs. So far it has only been tested on the CX700 board that I have, but it seems to work nicely. Signed-off-by: Flemming Frandsen Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/Kconfig | 15 ++ drivers/watchdog/Makefile | 1 + drivers/watchdog/w83697ug_wdt.c | 392 ++++++++++++++++++++++++++++++++ 3 files changed, 408 insertions(+) create mode 100644 drivers/watchdog/w83697ug_wdt.c diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 82e65154e75c..37dc27c4ecdc 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -585,6 +585,21 @@ config W83697HF_WDT Most people will say N. +config W83697UG_WDT + tristate "W83697UG/W83697UF Watchdog Timer" + depends on X86 + ---help--- + This is the driver for the hardware watchdog on the W83697UG/UF + chipset as used in MSI Fuzzy CX700 VIA motherboards (and likely others). + This watchdog simply watches your kernel to make sure it doesn't + freeze, and if it does, it reboots your computer after a certain + amount of time. + + To compile this driver as a module, choose M here: the + module will be called w83697ug_wdt. + + Most people will say N. + config W83877F_WDT tristate "W83877F (EMACS) Watchdog Timer" depends on X86 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index e2e4bcf0a56e..6f018e5b3dd3 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -84,6 +84,7 @@ obj-$(CONFIG_CPU5_WDT) += cpu5wdt.o obj-$(CONFIG_SMSC37B787_WDT) += smsc37b787_wdt.o obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o obj-$(CONFIG_W83697HF_WDT) += w83697hf_wdt.o +obj-$(CONFIG_W83697UG_WDT) += w83697ug_wdt.o obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o obj-$(CONFIG_W83977F_WDT) += w83977f_wdt.o obj-$(CONFIG_MACHZ_WDT) += machzwd.o diff --git a/drivers/watchdog/w83697ug_wdt.c b/drivers/watchdog/w83697ug_wdt.c new file mode 100644 index 000000000000..c73b5e2919c6 --- /dev/null +++ b/drivers/watchdog/w83697ug_wdt.c @@ -0,0 +1,392 @@ +/* + * w83697ug/uf WDT driver + * + * (c) Copyright 2008 Flemming Fransen + * reused original code to supoprt w83697ug/uf. + * + * Based on w83627hf_wdt.c which is based on advantechwdt.c + * which is based on wdt.c. + * Original copyright messages: + * + * (c) Copyright 2007 Vlad Drukker + * added support for W83627THF. + * + * (c) Copyright 2003 Pádraig Brady + * + * (c) Copyright 2000-2001 Marek Michalkiewicz + * + * (c) Copyright 1996 Alan Cox , All Rights Reserved. + * http://www.redhat.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * Neither Alan Cox nor CymruNet Ltd. admit liability nor provide + * warranty for any of this software. This material is provided + * "AS-IS" and at no charge. + * + * (c) Copyright 1995 Alan Cox + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define WATCHDOG_NAME "w83697ug/uf WDT" +#define PFX WATCHDOG_NAME ": " +#define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */ + +static unsigned long wdt_is_open; +static char expect_close; +static DEFINE_SPINLOCK(io_lock); + +static int wdt_io = 0x2e; +module_param(wdt_io, int, 0); +MODULE_PARM_DESC(wdt_io, "w83697ug/uf WDT io port (default 0x2e)"); + +static int timeout = WATCHDOG_TIMEOUT; /* in seconds */ +module_param(timeout, int, 0); +MODULE_PARM_DESC(timeout, + "Watchdog timeout in seconds. 1<= timeout <=255 (default=" + __MODULE_STRING(WATCHDOG_TIMEOUT) ")"); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, + "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +/* + * Kernel methods. + */ + +#define WDT_EFER (wdt_io+0) /* Extended Function Enable Registers */ +#define WDT_EFIR (wdt_io+0) /* Extended Function Index Register + (same as EFER) */ +#define WDT_EFDR (WDT_EFIR+1) /* Extended Function Data Register */ + +static void w83697ug_select_wd_register(void) +{ + unsigned char c; + unsigned char version; + + outb_p(0x87, WDT_EFER); /* Enter extended function mode */ + outb_p(0x87, WDT_EFER); /* Again according to manual */ + + outb(0x20, WDT_EFER); /* check chip version */ + version = inb(WDT_EFDR); + + if (version == 0x68) { /* W83697UG */ + printk(KERN_INFO PFX "Watchdog chip version 0x%02x = " + "W83697UG/UF found at 0x%04x\n", version, wdt_io); + + outb_p(0x2b, WDT_EFER); + c = inb_p(WDT_EFDR); /* select WDT0 */ + c &= ~0x04; + outb_p(0x2b, WDT_EFER); + outb_p(c, WDT_EFDR); /* set pin118 to WDT0 */ + + } else { + printk(KERN_ERR PFX "No W83697UG/UF could be found\n"); + return -EIO; + } + + outb_p(0x07, WDT_EFER); /* point to logical device number reg */ + outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */ + outb_p(0x30, WDT_EFER); /* select CR30 */ + c = inb_p(WDT_EFDR); + outb_p(c || 0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ +} + +static void w83697ug_unselect_wd_register(void) +{ + outb_p(0xAA, WDT_EFER); /* Leave extended function mode */ +} + +static void w83697ug_init(void) +{ + unsigned char t; + + w83697ug_select_wd_register(); + + outb_p(0xF6, WDT_EFER); /* Select CRF6 */ + t = inb_p(WDT_EFDR); /* read CRF6 */ + if (t != 0) { + printk(KERN_INFO PFX "Watchdog already running." + " Resetting timeout to %d sec\n", timeout); + outb_p(timeout, WDT_EFDR); /* Write back to CRF6 */ + } + outb_p(0xF5, WDT_EFER); /* Select CRF5 */ + t = inb_p(WDT_EFDR); /* read CRF5 */ + t &= ~0x0C; /* set second mode & + disable keyboard turning off watchdog */ + outb_p(t, WDT_EFDR); /* Write back to CRF5 */ + + w83697ug_unselect_wd_register(); +} + +static void wdt_ctrl(int timeout) +{ + spin_lock(&io_lock); + + w83697ug_select_wd_register(); + + outb_p(0xF4, WDT_EFER); /* Select CRF4 */ + outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF4 */ + + w83697ug_unselect_wd_register(); + + spin_unlock(&io_lock); +} + +static int wdt_ping(void) +{ + wdt_ctrl(timeout); + return 0; +} + +static int wdt_disable(void) +{ + wdt_ctrl(0); + return 0; +} + +static int wdt_set_heartbeat(int t) +{ + if (t < 1 || t > 255) + return -EINVAL; + + timeout = t; + return 0; +} + +static ssize_t wdt_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + if (count) { + if (!nowayout) { + size_t i; + + expect_close = 0; + + for (i = 0; i != count; i++) { + char c; + if (get_user(c, buf + i)) + return -EFAULT; + if (c == 'V') + expect_close = 42; + } + } + wdt_ping(); + } + return count; +} + +static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int new_timeout; + static const struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING | + WDIOF_SETTIMEOUT | + WDIOF_MAGICCLOSE, + .firmware_version = 1, + .identity = "W83697UG WDT", + }; + + switch (cmd) { + case WDIOC_GETSUPPORT: + if (copy_to_user(argp, &ident, sizeof(ident))) + return -EFAULT; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0, p); + + case WDIOC_SETOPTIONS: + { + int options, retval = -EINVAL; + + if (get_user(options, p)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) { + wdt_disable(); + retval = 0; + } + + if (options & WDIOS_ENABLECARD) { + wdt_ping(); + retval = 0; + } + + return retval; + } + + case WDIOC_KEEPALIVE: + wdt_ping(); + break; + + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, p)) + return -EFAULT; + if (wdt_set_heartbeat(new_timeout)) + return -EINVAL; + wdt_ping(); + /* Fall */ + + case WDIOC_GETTIMEOUT: + return put_user(timeout, p); + + default: + return -ENOTTY; + } + return 0; +} + +static int wdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(0, &wdt_is_open)) + return -EBUSY; + /* + * Activate + */ + + wdt_ping(); + return nonseekable_open(inode, file); +} + +static int wdt_close(struct inode *inode, struct file *file) +{ + if (expect_close == 42) + wdt_disable(); + else { + printk(KERN_CRIT PFX + "Unexpected close, not stopping watchdog!\n"); + wdt_ping(); + } + expect_close = 0; + clear_bit(0, &wdt_is_open); + return 0; +} + +/* + * Notifier for system down + */ + +static int wdt_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + if (code == SYS_DOWN || code == SYS_HALT) + wdt_disable(); /* Turn the WDT off */ + + return NOTIFY_DONE; +} + +/* + * Kernel Interfaces + */ + +static const struct file_operations wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = wdt_write, + .unlocked_ioctl = wdt_ioctl, + .open = wdt_open, + .release = wdt_close, +}; + +static struct miscdevice wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &wdt_fops, +}; + +/* + * The WDT needs to learn about soft shutdowns in order to + * turn the timebomb registers off. + */ + +static struct notifier_block wdt_notifier = { + .notifier_call = wdt_notify_sys, +}; + +static int __init wdt_init(void) +{ + int ret; + + printk(KERN_INFO "WDT driver for the Winbond(TM) W83697UG/UF Super I/O chip initialising.\n"); + + if (wdt_set_heartbeat(timeout)) { + wdt_set_heartbeat(WATCHDOG_TIMEOUT); + printk(KERN_INFO PFX + "timeout value must be 1<=timeout<=255, using %d\n", + WATCHDOG_TIMEOUT); + } + + if (!request_region(wdt_io, 1, WATCHDOG_NAME)) { + printk(KERN_ERR PFX "I/O address 0x%04x already in use\n", + wdt_io); + ret = -EIO; + goto out; + } + + w83697ug_init(); + + ret = register_reboot_notifier(&wdt_notifier); + if (ret != 0) { + printk(KERN_ERR PFX + "cannot register reboot notifier (err=%d)\n", ret); + goto unreg_regions; + } + + ret = misc_register(&wdt_miscdev); + if (ret != 0) { + printk(KERN_ERR PFX + "cannot register miscdev on minor=%d (err=%d)\n", + WATCHDOG_MINOR, ret); + goto unreg_reboot; + } + + printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n", + timeout, nowayout); + +out: + return ret; +unreg_reboot: + unregister_reboot_notifier(&wdt_notifier); +unreg_regions: + release_region(wdt_io, 1); + goto out; +} + +static void __exit wdt_exit(void) +{ + misc_deregister(&wdt_miscdev); + unregister_reboot_notifier(&wdt_notifier); + release_region(wdt_io, 1); +} + +module_init(wdt_init); +module_exit(wdt_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Flemming Frandsen "); +MODULE_DESCRIPTION("w83697ug/uf WDT driver"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -- GitLab From e6bb42e3d669afbeb4c971994614bcf241687666 Mon Sep 17 00:00:00 2001 From: Renaud CERRATO Date: Mon, 23 Jun 2008 17:05:49 +0200 Subject: [PATCH 3430/6244] [WATCHDOG] Add AT91SAM9X watchdog Add a driver for the watchdog timer embedded into AT91SAM9X chips. Signed-off-by: Renaud Cerrato Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/Kconfig | 7 + drivers/watchdog/Makefile | 1 + drivers/watchdog/at91sam9_wdt.c | 328 ++++++++++++++++++++++++++++++++ 3 files changed, 336 insertions(+) create mode 100644 drivers/watchdog/at91sam9_wdt.c diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 37dc27c4ecdc..6a711eb6998b 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -66,6 +66,13 @@ config AT91RM9200_WATCHDOG Watchdog timer embedded into AT91RM9200 chips. This will reboot your system when the timeout is reached. +config AT91SAM9X_WATCHDOG + tristate "AT91SAM9X watchdog" + depends on WATCHDOG && (ARCH_AT91SAM9260 || ARCH_AT91SAM9261) + help + Watchdog timer embedded into AT91SAM9X chips. This will reboot your + system when the timeout is reached. + config 21285_WATCHDOG tristate "DC21285 watchdog" depends on FOOTBRIDGE diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 6f018e5b3dd3..f896d6f666bc 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o # ARM Architecture obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o +obj-$(CONFIG_AT91SAM9X_WATCHDOG) += at91sam9_wdt.o obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o obj-$(CONFIG_21285_WATCHDOG) += wdt285.o obj-$(CONFIG_977_WATCHDOG) += wdt977.o diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c new file mode 100644 index 000000000000..b4babfc31586 --- /dev/null +++ b/drivers/watchdog/at91sam9_wdt.c @@ -0,0 +1,328 @@ +/* + * Watchdog driver for Atmel AT91SAM9x processors. + * + * Copyright (C) 2008 Renaud CERRATO r.cerrato@til-technologies.fr + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +/* + * The Watchdog Timer Mode Register can be only written to once. If the + * timeout need to be set from Linux, be sure that the bootstrap or the + * bootloader doesn't write to this register. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define DRV_NAME "AT91SAM9 Watchdog" + +/* AT91SAM9 watchdog runs a 12bit counter @ 256Hz, + * use this to convert a watchdog + * value from/to milliseconds. + */ +#define ms_to_ticks(t) (((t << 8) / 1000) - 1) +#define ticks_to_ms(t) (((t + 1) * 1000) >> 8) + +/* Hardware timeout in seconds */ +#define WDT_HW_TIMEOUT 2 + +/* Timer heartbeat (500ms) */ +#define WDT_TIMEOUT (HZ/2) + +/* User land timeout */ +#define WDT_HEARTBEAT 15 +static int heartbeat = WDT_HEARTBEAT; +module_param(heartbeat, int, 0); +MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. " + "(default = " __MODULE_STRING(WDT_HEARTBEAT) ")"); + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started " + "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +static void at91_ping(unsigned long data); + +static struct { + unsigned long next_heartbeat; /* the next_heartbeat for the timer */ + unsigned long open; + char expect_close; + struct timer_list timer; /* The timer that pings the watchdog */ +} at91wdt_private; + +/* ......................................................................... */ + + +/* + * Reload the watchdog timer. (ie, pat the watchdog) + */ +static inline void at91_wdt_reset(void) +{ + at91_sys_write(AT91_WDT_CR, AT91_WDT_KEY | AT91_WDT_WDRSTT); +} + +/* + * Timer tick + */ +static void at91_ping(unsigned long data) +{ + if (time_before(jiffies, at91wdt_private.next_heartbeat) || + (!nowayout && !at91wdt_private.open)) { + at91_wdt_reset(); + mod_timer(&at91wdt_private.timer, jiffies + WDT_TIMEOUT); + } else + printk(KERN_CRIT DRV_NAME": I will reset your machine !\n"); +} + +/* + * Watchdog device is opened, and watchdog starts running. + */ +static int at91_wdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(0, &at91wdt_private.open)) + return -EBUSY; + + at91wdt_private.next_heartbeat = jiffies + heartbeat * HZ; + mod_timer(&at91wdt_private.timer, jiffies + WDT_TIMEOUT); + + return nonseekable_open(inode, file); +} + +/* + * Close the watchdog device. + */ +static int at91_wdt_close(struct inode *inode, struct file *file) +{ + clear_bit(0, &at91wdt_private.open); + + /* stop internal ping */ + if (!at91wdt_private.expect_close) + del_timer(&at91wdt_private.timer); + + at91wdt_private.expect_close = 0; + return 0; +} + +/* + * Set the watchdog time interval in 1/256Hz (write-once) + * Counter is 12 bit. + */ +static int at91_wdt_settimeout(unsigned int timeout) +{ + unsigned int reg; + unsigned int mr; + + /* Check if disabled */ + mr = at91_sys_read(AT91_WDT_MR); + if (mr & AT91_WDT_WDDIS) { + printk(KERN_ERR DRV_NAME": sorry, watchdog is disabled\n"); + return -EIO; + } + + /* + * All counting occurs at SLOW_CLOCK / 128 = 256 Hz + * + * Since WDV is a 12-bit counter, the maximum period is + * 4096 / 256 = 16 seconds. + */ + reg = AT91_WDT_WDRSTEN /* causes watchdog reset */ + /* | AT91_WDT_WDRPROC causes processor reset only */ + | AT91_WDT_WDDBGHLT /* disabled in debug mode */ + | AT91_WDT_WDD /* restart at any time */ + | (timeout & AT91_WDT_WDV); /* timer value */ + at91_sys_write(AT91_WDT_MR, reg); + + return 0; +} + +static const struct watchdog_info at91_wdt_info = { + .identity = DRV_NAME, + .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, +}; + +/* + * Handle commands from user-space. + */ +static long at91_wdt_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + int new_value; + + switch (cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(argp, &at91_wdt_info, + sizeof(at91_wdt_info)) ? -EFAULT : 0; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0, p); + + case WDIOC_KEEPALIVE: + at91wdt_private.next_heartbeat = jiffies + heartbeat * HZ; + return 0; + + case WDIOC_SETTIMEOUT: + if (get_user(new_value, p)) + return -EFAULT; + + heartbeat = new_value; + at91wdt_private.next_heartbeat = jiffies + heartbeat * HZ; + + return put_user(new_value, p); /* return current value */ + + case WDIOC_GETTIMEOUT: + return put_user(heartbeat, p); + } + return -ENOTTY; +} + +/* + * Pat the watchdog whenever device is written to. + */ +static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, + loff_t *ppos) +{ + if (!len) + return 0; + + /* Scan for magic character */ + if (!nowayout) { + size_t i; + + at91wdt_private.expect_close = 0; + + for (i = 0; i < len; i++) { + char c; + if (get_user(c, data + i)) + return -EFAULT; + if (c == 'V') { + at91wdt_private.expect_close = 42; + break; + } + } + } + + at91wdt_private.next_heartbeat = jiffies + heartbeat * HZ; + + return len; +} + +/* ......................................................................... */ + +static const struct file_operations at91wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .unlocked_ioctl = at91_wdt_ioctl, + .open = at91_wdt_open, + .release = at91_wdt_close, + .write = at91_wdt_write, +}; + +static struct miscdevice at91wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &at91wdt_fops, +}; + +static int __init at91wdt_probe(struct platform_device *pdev) +{ + int res; + + if (at91wdt_miscdev.parent) + return -EBUSY; + at91wdt_miscdev.parent = &pdev->dev; + + /* Set watchdog */ + res = at91_wdt_settimeout(ms_to_ticks(WDT_HW_TIMEOUT * 1000)); + if (res) + return res; + + res = misc_register(&at91wdt_miscdev); + if (res) + return res; + + at91wdt_private.next_heartbeat = jiffies + heartbeat * HZ; + setup_timer(&at91wdt_private.timer, at91_ping, 0); + mod_timer(&at91wdt_private.timer, jiffies + WDT_TIMEOUT); + + printk(KERN_INFO DRV_NAME " enabled (heartbeat=%d sec, nowayout=%d)\n", + heartbeat, nowayout); + + return 0; +} + +static int __exit at91wdt_remove(struct platform_device *pdev) +{ + int res; + + res = misc_deregister(&at91wdt_miscdev); + if (!res) + at91wdt_miscdev.parent = NULL; + + return res; +} + +#ifdef CONFIG_PM + +static int at91wdt_suspend(struct platform_device *pdev, pm_message_t message) +{ + return 0; +} + +static int at91wdt_resume(struct platform_device *pdev) +{ + return 0; +} + +#else +#define at91wdt_suspend NULL +#define at91wdt_resume NULL +#endif + +static struct platform_driver at91wdt_driver = { + .remove = __exit_p(at91wdt_remove), + .suspend = at91wdt_suspend, + .resume = at91wdt_resume, + .driver = { + .name = "at91_wdt", + .owner = THIS_MODULE, + }, +}; + +static int __init at91sam_wdt_init(void) +{ + return platform_driver_probe(&at91wdt_driver, at91wdt_probe); +} + +static void __exit at91sam_wdt_exit(void) +{ + platform_driver_unregister(&at91wdt_driver); +} + +module_init(at91sam_wdt_init); +module_exit(at91sam_wdt_exit); + +MODULE_AUTHOR("Renaud CERRATO "); +MODULE_DESCRIPTION("Watchdog driver for Atmel AT91SAM9x processors"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -- GitLab From 2817142f31bfbf26c216bf4f9192540c81b2d071 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Sat, 20 Sep 2008 04:14:01 +0300 Subject: [PATCH 3431/6244] [WATCHDOG] omap_wdt.c: sync linux-omap changes These are changes that have been sitting in linux-omap and were never sent upstream. Hopefully, it'll never happen again at least for this driver. Signed-off-by: Felipe Balbi Signed-off-by: Wim Van Sebroeck --- arch/arm/plat-omap/devices.c | 21 ++- drivers/watchdog/omap_wdt.c | 283 ++++++++++++++++++++++------------- drivers/watchdog/omap_wdt.h | 28 ++-- 3 files changed, 203 insertions(+), 129 deletions(-) diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 01da719a7453..cc62cec1b75a 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -441,16 +441,8 @@ static inline void omap_init_uwire(void) {} #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) -#ifdef CONFIG_ARCH_OMAP24XX -#define OMAP_WDT_BASE 0x48022000 -#else -#define OMAP_WDT_BASE 0xfffeb000 -#endif - static struct resource wdt_resources[] = { { - .start = OMAP_WDT_BASE, - .end = OMAP_WDT_BASE + 0x4f, .flags = IORESOURCE_MEM, }, }; @@ -464,6 +456,19 @@ static struct platform_device omap_wdt_device = { static void omap_init_wdt(void) { + if (cpu_is_omap16xx()) + wdt_resources[0].start = 0xfffeb000; + else if (cpu_is_omap2420()) + wdt_resources[0].start = 0x48022000; /* WDT2 */ + else if (cpu_is_omap2430()) + wdt_resources[0].start = 0x49016000; /* WDT2 */ + else if (cpu_is_omap343x()) + wdt_resources[0].start = 0x48314000; /* WDT2 */ + else + return; + + wdt_resources[0].end = wdt_resources[0].start + 0x4f; + (void) platform_device_register(&omap_wdt_device); } #else diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 3a11dadfd8e7..7de16a3f6849 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -1,7 +1,7 @@ /* - * linux/drivers/char/watchdog/omap_wdt.c + * omap_wdt.c * - * Watchdog driver for the TI OMAP 16xx & 24xx 32KHz (non-secure) watchdog + * Watchdog driver for the TI OMAP 16xx & 24xx/34xx 32KHz (non-secure) watchdog * * Author: MontaVista Software, Inc. * or @@ -47,50 +47,63 @@ #include "omap_wdt.h" +static struct platform_device *omap_wdt_dev; + static unsigned timer_margin; module_param(timer_margin, uint, 0); MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)"); -static int omap_wdt_users; -static struct clk *armwdt_ck; -static struct clk *mpu_wdt_ick; -static struct clk *mpu_wdt_fck; - static unsigned int wdt_trgr_pattern = 0x1234; static spinlock_t wdt_lock; -static void omap_wdt_ping(void) +struct omap_wdt_dev { + void __iomem *base; /* physical */ + struct device *dev; + int omap_wdt_users; + struct clk *armwdt_ck; + struct clk *mpu_wdt_ick; + struct clk *mpu_wdt_fck; + struct resource *mem; + struct miscdevice omap_wdt_miscdev; +}; + +static void omap_wdt_ping(struct omap_wdt_dev *wdev) { + void __iomem *base = wdev->base; /* wait for posted write to complete */ - while ((omap_readl(OMAP_WATCHDOG_WPS)) & 0x08) + while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); wdt_trgr_pattern = ~wdt_trgr_pattern; - omap_writel(wdt_trgr_pattern, (OMAP_WATCHDOG_TGR)); + omap_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR)); /* wait for posted write to complete */ - while ((omap_readl(OMAP_WATCHDOG_WPS)) & 0x08) + while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); /* reloaded WCRR from WLDR */ } -static void omap_wdt_enable(void) +static void omap_wdt_enable(struct omap_wdt_dev *wdev) { + void __iomem *base; + base = wdev->base; /* Sequence to enable the watchdog */ - omap_writel(0xBBBB, OMAP_WATCHDOG_SPR); - while ((omap_readl(OMAP_WATCHDOG_WPS)) & 0x10) + omap_writel(0xBBBB, base + OMAP_WATCHDOG_SPR); + while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); - omap_writel(0x4444, OMAP_WATCHDOG_SPR); - while ((omap_readl(OMAP_WATCHDOG_WPS)) & 0x10) + omap_writel(0x4444, base + OMAP_WATCHDOG_SPR); + while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); } -static void omap_wdt_disable(void) +static void omap_wdt_disable(struct omap_wdt_dev *wdev) { + void __iomem *base; + base = wdev->base; /* sequence required to disable watchdog */ - omap_writel(0xAAAA, OMAP_WATCHDOG_SPR); /* TIMER_MODE */ - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x10) + omap_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); - omap_writel(0x5555, OMAP_WATCHDOG_SPR); /* TIMER_MODE */ - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x10) + omap_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); } @@ -103,15 +116,17 @@ static void omap_wdt_adjust_timeout(unsigned new_timeout) timer_margin = new_timeout; } -static void omap_wdt_set_timeout(void) +static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) { u32 pre_margin = GET_WLDR_VAL(timer_margin); + void __iomem *base; + base = wdev->base; /* just count up at 32 KHz */ - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x04) + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); - omap_writel(pre_margin, OMAP_WATCHDOG_LDR); - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x04) + omap_writel(pre_margin, base + OMAP_WATCHDOG_LDR); + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); } @@ -121,65 +136,69 @@ static void omap_wdt_set_timeout(void) static int omap_wdt_open(struct inode *inode, struct file *file) { - if (test_and_set_bit(1, (unsigned long *)&omap_wdt_users)) + struct omap_wdt_dev *wdev; + void __iomem *base; + wdev = platform_get_drvdata(omap_wdt_dev); + base = wdev->base; + if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users))) return -EBUSY; if (cpu_is_omap16xx()) - clk_enable(armwdt_ck); /* Enable the clock */ + clk_enable(wdev->armwdt_ck); /* Enable the clock */ - if (cpu_is_omap24xx()) { - clk_enable(mpu_wdt_ick); /* Enable the interface clock */ - clk_enable(mpu_wdt_fck); /* Enable the functional clock */ + if (cpu_is_omap24xx() || cpu_is_omap34xx()) { + clk_enable(wdev->mpu_wdt_ick); /* Enable the interface clock */ + clk_enable(wdev->mpu_wdt_fck); /* Enable the functional clock */ } /* initialize prescaler */ - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x01) + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); - omap_writel((1 << 5) | (PTV << 2), OMAP_WATCHDOG_CNTRL); - while (omap_readl(OMAP_WATCHDOG_WPS) & 0x01) + omap_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL); + while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); - omap_wdt_set_timeout(); - omap_wdt_enable(); + file->private_data = (void *) wdev; + + omap_wdt_set_timeout(wdev); + omap_wdt_enable(wdev); return nonseekable_open(inode, file); } static int omap_wdt_release(struct inode *inode, struct file *file) { + struct omap_wdt_dev *wdev; + wdev = file->private_data; /* * Shut off the timer unless NOWAYOUT is defined. */ #ifndef CONFIG_WATCHDOG_NOWAYOUT - omap_wdt_disable(); - if (cpu_is_omap16xx()) { - clk_disable(armwdt_ck); /* Disable the clock */ - clk_put(armwdt_ck); - armwdt_ck = NULL; - } + omap_wdt_disable(wdev); - if (cpu_is_omap24xx()) { - clk_disable(mpu_wdt_ick); /* Disable the clock */ - clk_disable(mpu_wdt_fck); /* Disable the clock */ - clk_put(mpu_wdt_ick); - clk_put(mpu_wdt_fck); - mpu_wdt_ick = NULL; - mpu_wdt_fck = NULL; + if (cpu_is_omap16xx()) + clk_disable(wdev->armwdt_ck); /* Disable the clock */ + + if (cpu_is_omap24xx() || cpu_is_omap34xx()) { + clk_disable(wdev->mpu_wdt_ick); /* Disable the clock */ + clk_disable(wdev->mpu_wdt_fck); /* Disable the clock */ } #else printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n"); #endif - omap_wdt_users = 0; + wdev->omap_wdt_users = 0; return 0; } static ssize_t omap_wdt_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { + struct omap_wdt_dev *wdev; + wdev = file->private_data; /* Refresh LOAD_TIME. */ if (len) { spin_lock(&wdt_lock); - omap_wdt_ping(); + omap_wdt_ping(wdev); spin_unlock(&wdt_lock); } return len; @@ -188,12 +207,14 @@ static ssize_t omap_wdt_write(struct file *file, const char __user *data, static long omap_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct omap_wdt_dev *wdev; int new_margin; static const struct watchdog_info ident = { .identity = "OMAP Watchdog", .options = WDIOF_SETTIMEOUT, .firmware_version = 0, }; + wdev = file->private_data; switch (cmd) { case WDIOC_GETSUPPORT: @@ -210,7 +231,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, (int __user *)arg); case WDIOC_KEEPALIVE: spin_lock(&wdt_lock); - omap_wdt_ping(); + omap_wdt_ping(wdev); spin_unlock(&wdt_lock); return 0; case WDIOC_SETTIMEOUT: @@ -219,11 +240,11 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, omap_wdt_adjust_timeout(new_margin); spin_lock(&wdt_lock); - omap_wdt_disable(); - omap_wdt_set_timeout(); - omap_wdt_enable(); + omap_wdt_disable(wdev); + omap_wdt_set_timeout(wdev); + omap_wdt_enable(wdev); - omap_wdt_ping(); + omap_wdt_ping(wdev); spin_unlock(&wdt_lock); /* Fall */ case WDIOC_GETTIMEOUT: @@ -241,96 +262,150 @@ static const struct file_operations omap_wdt_fops = { .release = omap_wdt_release, }; -static struct miscdevice omap_wdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &omap_wdt_fops, -}; static int __init omap_wdt_probe(struct platform_device *pdev) { struct resource *res, *mem; int ret; + struct omap_wdt_dev *wdev; /* reserve static register mappings */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENOENT; + if (omap_wdt_dev) + return -EBUSY; + mem = request_mem_region(res->start, res->end - res->start + 1, pdev->name); if (mem == NULL) return -EBUSY; - platform_set_drvdata(pdev, mem); - - omap_wdt_users = 0; + wdev = kzalloc(sizeof(struct omap_wdt_dev), GFP_KERNEL); + if (!wdev) { + ret = -ENOMEM; + goto fail; + } + wdev->omap_wdt_users = 0; + wdev->mem = mem; if (cpu_is_omap16xx()) { - armwdt_ck = clk_get(&pdev->dev, "armwdt_ck"); - if (IS_ERR(armwdt_ck)) { - ret = PTR_ERR(armwdt_ck); - armwdt_ck = NULL; + wdev->armwdt_ck = clk_get(&pdev->dev, "armwdt_ck"); + if (IS_ERR(wdev->armwdt_ck)) { + ret = PTR_ERR(wdev->armwdt_ck); + wdev->armwdt_ck = NULL; goto fail; } } if (cpu_is_omap24xx()) { - mpu_wdt_ick = clk_get(&pdev->dev, "mpu_wdt_ick"); - if (IS_ERR(mpu_wdt_ick)) { - ret = PTR_ERR(mpu_wdt_ick); - mpu_wdt_ick = NULL; + wdev->mpu_wdt_ick = clk_get(&pdev->dev, "mpu_wdt_ick"); + if (IS_ERR(wdev->mpu_wdt_ick)) { + ret = PTR_ERR(wdev->mpu_wdt_ick); + wdev->mpu_wdt_ick = NULL; + goto fail; + } + wdev->mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck"); + if (IS_ERR(wdev->mpu_wdt_fck)) { + ret = PTR_ERR(wdev->mpu_wdt_fck); + wdev->mpu_wdt_fck = NULL; + goto fail; + } + } + + if (cpu_is_omap34xx()) { + wdev->mpu_wdt_ick = clk_get(&pdev->dev, "wdt2_ick"); + if (IS_ERR(wdev->mpu_wdt_ick)) { + ret = PTR_ERR(wdev->mpu_wdt_ick); + wdev->mpu_wdt_ick = NULL; goto fail; } - mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck"); - if (IS_ERR(mpu_wdt_fck)) { - ret = PTR_ERR(mpu_wdt_fck); - mpu_wdt_fck = NULL; + wdev->mpu_wdt_fck = clk_get(&pdev->dev, "wdt2_fck"); + if (IS_ERR(wdev->mpu_wdt_fck)) { + ret = PTR_ERR(wdev->mpu_wdt_fck); + wdev->mpu_wdt_fck = NULL; goto fail; } } + wdev->base = (void __iomem *) (mem->start); + platform_set_drvdata(pdev, wdev); - omap_wdt_disable(); + omap_wdt_disable(wdev); omap_wdt_adjust_timeout(timer_margin); - omap_wdt_miscdev.parent = &pdev->dev; - ret = misc_register(&omap_wdt_miscdev); + wdev->omap_wdt_miscdev.parent = &pdev->dev; + wdev->omap_wdt_miscdev.minor = WATCHDOG_MINOR; + wdev->omap_wdt_miscdev.name = "watchdog"; + wdev->omap_wdt_miscdev.fops = &omap_wdt_fops; + + ret = misc_register(&(wdev->omap_wdt_miscdev)); if (ret) goto fail; - pr_info("OMAP Watchdog Timer: initial timeout %d sec\n", timer_margin); + pr_info("OMAP Watchdog Timer Rev 0x%02x: initial timeout %d sec\n", + omap_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, + timer_margin); /* autogate OCP interface clock */ - omap_writel(0x01, OMAP_WATCHDOG_SYS_CONFIG); + omap_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG); + + omap_wdt_dev = pdev; + return 0; fail: - if (armwdt_ck) - clk_put(armwdt_ck); - if (mpu_wdt_ick) - clk_put(mpu_wdt_ick); - if (mpu_wdt_fck) - clk_put(mpu_wdt_fck); - release_resource(mem); + if (wdev) { + platform_set_drvdata(pdev, NULL); + if (wdev->armwdt_ck) + clk_put(wdev->armwdt_ck); + if (wdev->mpu_wdt_ick) + clk_put(wdev->mpu_wdt_ick); + if (wdev->mpu_wdt_fck) + clk_put(wdev->mpu_wdt_fck); + kfree(wdev); + } + if (mem) { + release_mem_region(res->start, res->end - res->start + 1); + } return ret; } static void omap_wdt_shutdown(struct platform_device *pdev) { - omap_wdt_disable(); + struct omap_wdt_dev *wdev; + wdev = platform_get_drvdata(pdev); + + if (wdev->omap_wdt_users) + omap_wdt_disable(wdev); } static int omap_wdt_remove(struct platform_device *pdev) { - struct resource *mem = platform_get_drvdata(pdev); - misc_deregister(&omap_wdt_miscdev); - release_resource(mem); - if (armwdt_ck) - clk_put(armwdt_ck); - if (mpu_wdt_ick) - clk_put(mpu_wdt_ick); - if (mpu_wdt_fck) - clk_put(mpu_wdt_fck); + struct omap_wdt_dev *wdev; + wdev = platform_get_drvdata(pdev); + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + if (!res) + return -ENOENT; + + misc_deregister(&(wdev->omap_wdt_miscdev)); + release_mem_region(res->start, res->end - res->start + 1); + platform_set_drvdata(pdev, NULL); + if (wdev->armwdt_ck) { + clk_put(wdev->armwdt_ck); + wdev->armwdt_ck = NULL; + } + if (wdev->mpu_wdt_ick) { + clk_put(wdev->mpu_wdt_ick); + wdev->mpu_wdt_ick = NULL; + } + if (wdev->mpu_wdt_fck) { + clk_put(wdev->mpu_wdt_fck); + wdev->mpu_wdt_fck = NULL; + } + kfree(wdev); + omap_wdt_dev = NULL; return 0; } @@ -344,16 +419,20 @@ static int omap_wdt_remove(struct platform_device *pdev) static int omap_wdt_suspend(struct platform_device *pdev, pm_message_t state) { - if (omap_wdt_users) - omap_wdt_disable(); + struct omap_wdt_dev *wdev; + wdev = platform_get_drvdata(pdev); + if (wdev->omap_wdt_users) + omap_wdt_disable(wdev); return 0; } static int omap_wdt_resume(struct platform_device *pdev) { - if (omap_wdt_users) { - omap_wdt_enable(); - omap_wdt_ping(); + struct omap_wdt_dev *wdev; + wdev = platform_get_drvdata(pdev); + if (wdev->omap_wdt_users) { + omap_wdt_enable(wdev); + omap_wdt_ping(wdev); } return 0; } diff --git a/drivers/watchdog/omap_wdt.h b/drivers/watchdog/omap_wdt.h index 52a532a5114a..fc02ec6a0386 100644 --- a/drivers/watchdog/omap_wdt.h +++ b/drivers/watchdog/omap_wdt.h @@ -30,25 +30,15 @@ #ifndef _OMAP_WATCHDOG_H #define _OMAP_WATCHDOG_H -#define OMAP1610_WATCHDOG_BASE 0xfffeb000 -#define OMAP2420_WATCHDOG_BASE 0x48022000 /*WDT Timer 2 */ - -#ifdef CONFIG_ARCH_OMAP24XX -#define OMAP_WATCHDOG_BASE OMAP2420_WATCHDOG_BASE -#else -#define OMAP_WATCHDOG_BASE OMAP1610_WATCHDOG_BASE -#define RM_RSTST_WKUP 0 -#endif - -#define OMAP_WATCHDOG_REV (OMAP_WATCHDOG_BASE + 0x00) -#define OMAP_WATCHDOG_SYS_CONFIG (OMAP_WATCHDOG_BASE + 0x10) -#define OMAP_WATCHDOG_STATUS (OMAP_WATCHDOG_BASE + 0x14) -#define OMAP_WATCHDOG_CNTRL (OMAP_WATCHDOG_BASE + 0x24) -#define OMAP_WATCHDOG_CRR (OMAP_WATCHDOG_BASE + 0x28) -#define OMAP_WATCHDOG_LDR (OMAP_WATCHDOG_BASE + 0x2c) -#define OMAP_WATCHDOG_TGR (OMAP_WATCHDOG_BASE + 0x30) -#define OMAP_WATCHDOG_WPS (OMAP_WATCHDOG_BASE + 0x34) -#define OMAP_WATCHDOG_SPR (OMAP_WATCHDOG_BASE + 0x48) +#define OMAP_WATCHDOG_REV (0x00) +#define OMAP_WATCHDOG_SYS_CONFIG (0x10) +#define OMAP_WATCHDOG_STATUS (0x14) +#define OMAP_WATCHDOG_CNTRL (0x24) +#define OMAP_WATCHDOG_CRR (0x28) +#define OMAP_WATCHDOG_LDR (0x2c) +#define OMAP_WATCHDOG_TGR (0x30) +#define OMAP_WATCHDOG_WPS (0x34) +#define OMAP_WATCHDOG_SPR (0x48) /* Using the prescaler, the OMAP watchdog could go for many * months before firing. These limits work without scaling, -- GitLab From 9f69e3b0c22200998caa73b23a39c03950b2752d Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Sat, 20 Sep 2008 04:14:02 +0300 Subject: [PATCH 3432/6244] [WATCHDOG] omap_wdt.c: another ioremap() fix convert to use ioremap() and __raw_{read/write} friends. Signed-off-by: Felipe Balbi Signed-off-by: George G. Davis Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/omap_wdt.c | 50 +++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 21 deletions(-) diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 7de16a3f6849..9c389b16497f 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -71,12 +71,12 @@ static void omap_wdt_ping(struct omap_wdt_dev *wdev) { void __iomem *base = wdev->base; /* wait for posted write to complete */ - while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) + while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); wdt_trgr_pattern = ~wdt_trgr_pattern; - omap_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR)); + __raw_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR)); /* wait for posted write to complete */ - while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) + while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); /* reloaded WCRR from WLDR */ } @@ -86,11 +86,11 @@ static void omap_wdt_enable(struct omap_wdt_dev *wdev) void __iomem *base; base = wdev->base; /* Sequence to enable the watchdog */ - omap_writel(0xBBBB, base + OMAP_WATCHDOG_SPR); - while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) + __raw_writel(0xBBBB, base + OMAP_WATCHDOG_SPR); + while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); - omap_writel(0x4444, base + OMAP_WATCHDOG_SPR); - while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) + __raw_writel(0x4444, base + OMAP_WATCHDOG_SPR); + while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); } @@ -99,11 +99,11 @@ static void omap_wdt_disable(struct omap_wdt_dev *wdev) void __iomem *base; base = wdev->base; /* sequence required to disable watchdog */ - omap_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10) + __raw_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); - omap_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10) + __raw_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); } @@ -123,10 +123,10 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) base = wdev->base; /* just count up at 32 KHz */ - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04) + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); - omap_writel(pre_margin, base + OMAP_WATCHDOG_LDR); - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04) + __raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR); + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); } @@ -152,10 +152,10 @@ static int omap_wdt_open(struct inode *inode, struct file *file) } /* initialize prescaler */ - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01) + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); - omap_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL); - while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01) + __raw_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL); + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); file->private_data = (void *) wdev; @@ -224,7 +224,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, return put_user(0, (int __user *)arg); case WDIOC_GETBOOTSTATUS: if (cpu_is_omap16xx()) - return put_user(omap_readw(ARM_SYSST), + return put_user(__raw_readw(ARM_SYSST), (int __user *)arg); if (cpu_is_omap24xx()) return put_user(omap_prcm_get_reset_sources(), @@ -328,7 +328,12 @@ static int __init omap_wdt_probe(struct platform_device *pdev) goto fail; } } - wdev->base = (void __iomem *) (mem->start); + wdev->base = ioremap(res->start, res->end - res->start + 1); + if (!wdev->base) { + ret = -ENOMEM; + goto fail; + } + platform_set_drvdata(pdev, wdev); omap_wdt_disable(wdev); @@ -344,11 +349,11 @@ static int __init omap_wdt_probe(struct platform_device *pdev) goto fail; pr_info("OMAP Watchdog Timer Rev 0x%02x: initial timeout %d sec\n", - omap_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, + __raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, timer_margin); /* autogate OCP interface clock */ - omap_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG); + __raw_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG); omap_wdt_dev = pdev; @@ -363,6 +368,7 @@ fail: clk_put(wdev->mpu_wdt_ick); if (wdev->mpu_wdt_fck) clk_put(wdev->mpu_wdt_fck); + iounmap(wdev->base); kfree(wdev); } if (mem) { @@ -404,6 +410,8 @@ static int omap_wdt_remove(struct platform_device *pdev) clk_put(wdev->mpu_wdt_fck); wdev->mpu_wdt_fck = NULL; } + iounmap(wdev->base); + kfree(wdev); omap_wdt_dev = NULL; return 0; -- GitLab From b3112180fe0b8dd80053d1d83e6fc421a266e47a Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Sat, 20 Sep 2008 04:14:03 +0300 Subject: [PATCH 3433/6244] [WATCHDOG] omap_wdt.c: cleanup a bit omap_wdt.c Trivial cleanup patch. Signed-off-by: Felipe Balbi Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/omap_wdt.c | 132 +++++++++++++++++++++--------------- 1 file changed, 78 insertions(+), 54 deletions(-) diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 9c389b16497f..7bcbb7f4745f 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -70,11 +70,14 @@ struct omap_wdt_dev { static void omap_wdt_ping(struct omap_wdt_dev *wdev) { void __iomem *base = wdev->base; + /* wait for posted write to complete */ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); + wdt_trgr_pattern = ~wdt_trgr_pattern; __raw_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR)); + /* wait for posted write to complete */ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08) cpu_relax(); @@ -83,12 +86,13 @@ static void omap_wdt_ping(struct omap_wdt_dev *wdev) static void omap_wdt_enable(struct omap_wdt_dev *wdev) { - void __iomem *base; - base = wdev->base; + void __iomem *base = wdev->base; + /* Sequence to enable the watchdog */ __raw_writel(0xBBBB, base + OMAP_WATCHDOG_SPR); while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); + __raw_writel(0x4444, base + OMAP_WATCHDOG_SPR); while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10) cpu_relax(); @@ -96,12 +100,13 @@ static void omap_wdt_enable(struct omap_wdt_dev *wdev) static void omap_wdt_disable(struct omap_wdt_dev *wdev) { - void __iomem *base; - base = wdev->base; + void __iomem *base = wdev->base; + /* sequence required to disable watchdog */ __raw_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); + __raw_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10) cpu_relax(); @@ -119,12 +124,12 @@ static void omap_wdt_adjust_timeout(unsigned new_timeout) static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) { u32 pre_margin = GET_WLDR_VAL(timer_margin); - void __iomem *base; - base = wdev->base; + void __iomem *base = wdev->base; /* just count up at 32 KHz */ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); + __raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR); while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04) cpu_relax(); @@ -133,13 +138,11 @@ static void omap_wdt_set_timeout(struct omap_wdt_dev *wdev) /* * Allow only one task to hold it open */ - static int omap_wdt_open(struct inode *inode, struct file *file) { - struct omap_wdt_dev *wdev; - void __iomem *base; - wdev = platform_get_drvdata(omap_wdt_dev); - base = wdev->base; + struct omap_wdt_dev *wdev = platform_get_drvdata(omap_wdt_dev); + void __iomem *base = wdev->base; + if (test_and_set_bit(1, (unsigned long *)&(wdev->omap_wdt_users))) return -EBUSY; @@ -154,6 +157,7 @@ static int omap_wdt_open(struct inode *inode, struct file *file) /* initialize prescaler */ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); + __raw_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL); while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) cpu_relax(); @@ -162,13 +166,14 @@ static int omap_wdt_open(struct inode *inode, struct file *file) omap_wdt_set_timeout(wdev); omap_wdt_enable(wdev); + return nonseekable_open(inode, file); } static int omap_wdt_release(struct inode *inode, struct file *file) { - struct omap_wdt_dev *wdev; - wdev = file->private_data; + struct omap_wdt_dev *wdev = file->private_data; + /* * Shut off the timer unless NOWAYOUT is defined. */ @@ -187,14 +192,15 @@ static int omap_wdt_release(struct inode *inode, struct file *file) printk(KERN_CRIT "omap_wdt: Unexpected close, not stopping!\n"); #endif wdev->omap_wdt_users = 0; + return 0; } static ssize_t omap_wdt_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { - struct omap_wdt_dev *wdev; - wdev = file->private_data; + struct omap_wdt_dev *wdev = file->private_data; + /* Refresh LOAD_TIME. */ if (len) { spin_lock(&wdt_lock); @@ -214,6 +220,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd, .options = WDIOF_SETTIMEOUT, .firmware_version = 0, }; + wdev = file->private_data; switch (cmd) { @@ -262,31 +269,37 @@ static const struct file_operations omap_wdt_fops = { .release = omap_wdt_release, }; - static int __init omap_wdt_probe(struct platform_device *pdev) { struct resource *res, *mem; - int ret; struct omap_wdt_dev *wdev; + int ret; /* reserve static register mappings */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENOENT; + if (!res) { + ret = -ENOENT; + goto err_get_resource; + } - if (omap_wdt_dev) - return -EBUSY; + if (omap_wdt_dev) { + ret = -EBUSY; + goto err_busy; + } mem = request_mem_region(res->start, res->end - res->start + 1, pdev->name); - if (mem == NULL) - return -EBUSY; + if (!mem) { + ret = -EBUSY; + goto err_busy; + } wdev = kzalloc(sizeof(struct omap_wdt_dev), GFP_KERNEL); if (!wdev) { ret = -ENOMEM; - goto fail; + goto err_kzalloc; } + wdev->omap_wdt_users = 0; wdev->mem = mem; @@ -295,7 +308,7 @@ static int __init omap_wdt_probe(struct platform_device *pdev) if (IS_ERR(wdev->armwdt_ck)) { ret = PTR_ERR(wdev->armwdt_ck); wdev->armwdt_ck = NULL; - goto fail; + goto err_clk; } } @@ -304,13 +317,13 @@ static int __init omap_wdt_probe(struct platform_device *pdev) if (IS_ERR(wdev->mpu_wdt_ick)) { ret = PTR_ERR(wdev->mpu_wdt_ick); wdev->mpu_wdt_ick = NULL; - goto fail; + goto err_clk; } wdev->mpu_wdt_fck = clk_get(&pdev->dev, "mpu_wdt_fck"); if (IS_ERR(wdev->mpu_wdt_fck)) { ret = PTR_ERR(wdev->mpu_wdt_fck); wdev->mpu_wdt_fck = NULL; - goto fail; + goto err_clk; } } @@ -319,19 +332,19 @@ static int __init omap_wdt_probe(struct platform_device *pdev) if (IS_ERR(wdev->mpu_wdt_ick)) { ret = PTR_ERR(wdev->mpu_wdt_ick); wdev->mpu_wdt_ick = NULL; - goto fail; + goto err_clk; } wdev->mpu_wdt_fck = clk_get(&pdev->dev, "wdt2_fck"); if (IS_ERR(wdev->mpu_wdt_fck)) { ret = PTR_ERR(wdev->mpu_wdt_fck); wdev->mpu_wdt_fck = NULL; - goto fail; + goto err_clk; } } wdev->base = ioremap(res->start, res->end - res->start + 1); if (!wdev->base) { ret = -ENOMEM; - goto fail; + goto err_ioremap; } platform_set_drvdata(pdev, wdev); @@ -346,7 +359,7 @@ static int __init omap_wdt_probe(struct platform_device *pdev) ret = misc_register(&(wdev->omap_wdt_miscdev)); if (ret) - goto fail; + goto err_misc; pr_info("OMAP Watchdog Timer Rev 0x%02x: initial timeout %d sec\n", __raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF, @@ -359,28 +372,34 @@ static int __init omap_wdt_probe(struct platform_device *pdev) return 0; -fail: - if (wdev) { - platform_set_drvdata(pdev, NULL); - if (wdev->armwdt_ck) - clk_put(wdev->armwdt_ck); - if (wdev->mpu_wdt_ick) - clk_put(wdev->mpu_wdt_ick); - if (wdev->mpu_wdt_fck) - clk_put(wdev->mpu_wdt_fck); - iounmap(wdev->base); - kfree(wdev); - } - if (mem) { - release_mem_region(res->start, res->end - res->start + 1); - } +err_misc: + platform_set_drvdata(pdev, NULL); + iounmap(wdev->base); + +err_ioremap: + wdev->base = NULL; + +err_clk: + if (wdev->armwdt_ck) + clk_put(wdev->armwdt_ck); + if (wdev->mpu_wdt_ick) + clk_put(wdev->mpu_wdt_ick); + if (wdev->mpu_wdt_fck) + clk_put(wdev->mpu_wdt_fck); + kfree(wdev); + +err_kzalloc: + release_mem_region(res->start, res->end - res->start + 1); + +err_busy: +err_get_resource: + return ret; } static void omap_wdt_shutdown(struct platform_device *pdev) { - struct omap_wdt_dev *wdev; - wdev = platform_get_drvdata(pdev); + struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); if (wdev->omap_wdt_users) omap_wdt_disable(wdev); @@ -388,8 +407,7 @@ static void omap_wdt_shutdown(struct platform_device *pdev) static int omap_wdt_remove(struct platform_device *pdev) { - struct omap_wdt_dev *wdev; - wdev = platform_get_drvdata(pdev); + struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) @@ -398,14 +416,17 @@ static int omap_wdt_remove(struct platform_device *pdev) misc_deregister(&(wdev->omap_wdt_miscdev)); release_mem_region(res->start, res->end - res->start + 1); platform_set_drvdata(pdev, NULL); + if (wdev->armwdt_ck) { clk_put(wdev->armwdt_ck); wdev->armwdt_ck = NULL; } + if (wdev->mpu_wdt_ick) { clk_put(wdev->mpu_wdt_ick); wdev->mpu_wdt_ick = NULL; } + if (wdev->mpu_wdt_fck) { clk_put(wdev->mpu_wdt_fck); wdev->mpu_wdt_fck = NULL; @@ -414,6 +435,7 @@ static int omap_wdt_remove(struct platform_device *pdev) kfree(wdev); omap_wdt_dev = NULL; + return 0; } @@ -427,21 +449,23 @@ static int omap_wdt_remove(struct platform_device *pdev) static int omap_wdt_suspend(struct platform_device *pdev, pm_message_t state) { - struct omap_wdt_dev *wdev; - wdev = platform_get_drvdata(pdev); + struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); + if (wdev->omap_wdt_users) omap_wdt_disable(wdev); + return 0; } static int omap_wdt_resume(struct platform_device *pdev) { - struct omap_wdt_dev *wdev; - wdev = platform_get_drvdata(pdev); + struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); + if (wdev->omap_wdt_users) { omap_wdt_enable(wdev); omap_wdt_ping(wdev); } + return 0; } -- GitLab From 22ac92322c83334b562024414b770e48927ae963 Mon Sep 17 00:00:00 2001 From: Sylver Bruneau Date: Thu, 26 Jun 2008 10:47:45 +0200 Subject: [PATCH 3434/6244] [WATCHDOG] Orion: add hardware watchdog support This patch allows the use of the hardware watchdog in the Marvell Orion series of ARM SoCs. Signed-off-by: Sylver Bruneau Signed-off-by: Lennert Buytenhek Signed-off-by: Wim Van Sebroeck --- arch/arm/mach-orion5x/include/mach/orion5x.h | 2 + drivers/watchdog/Kconfig | 9 + drivers/watchdog/Makefile | 1 + drivers/watchdog/orion5x_wdt.c | 231 +++++++++++++++++++ 4 files changed, 243 insertions(+) create mode 100644 drivers/watchdog/orion5x_wdt.c diff --git a/arch/arm/mach-orion5x/include/mach/orion5x.h b/arch/arm/mach-orion5x/include/mach/orion5x.h index 61eb74a88862..615cc1d08187 100644 --- a/arch/arm/mach-orion5x/include/mach/orion5x.h +++ b/arch/arm/mach-orion5x/include/mach/orion5x.h @@ -153,9 +153,11 @@ #define CPU_CONF ORION5X_BRIDGE_REG(0x100) #define CPU_CTRL ORION5X_BRIDGE_REG(0x104) #define CPU_RESET_MASK ORION5X_BRIDGE_REG(0x108) +#define WDT_RESET 0x0002 #define CPU_SOFT_RESET ORION5X_BRIDGE_REG(0x10c) #define POWER_MNG_CTRL_REG ORION5X_BRIDGE_REG(0x11C) #define BRIDGE_CAUSE ORION5X_BRIDGE_REG(0x110) +#define WDT_INT_REQ 0x0008 #define BRIDGE_MASK ORION5X_BRIDGE_REG(0x114) #define BRIDGE_INT_TIMER0 0x0002 #define BRIDGE_INT_TIMER1 0x0004 diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 6a711eb6998b..1a22fe782a27 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -224,6 +224,15 @@ config DAVINCI_WATCHDOG NOTE: once enabled, this timer cannot be disabled. Say N if you are unsure. +config ORION5X_WATCHDOG + tristate "Orion5x watchdog" + depends on ARCH_ORION5X + help + Say Y here if to include support for the watchdog timer + in the Orion5x ARM SoCs. + To compile this driver as a module, choose M here: the + module will be called orion5x_wdt. + # ARM26 Architecture # AVR32 Architecture diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index f896d6f666bc..d604430ffeb8 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -40,6 +40,7 @@ obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o +obj-$(CONFIG_ORION5X_WATCHDOG) += orion5x_wdt.o # ARM26 Architecture diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion5x_wdt.c new file mode 100644 index 000000000000..144776314989 --- /dev/null +++ b/drivers/watchdog/orion5x_wdt.c @@ -0,0 +1,231 @@ +/* + * drivers/watchdog/orion5x_wdt.c + * + * Watchdog driver for Orion5x processors + * + * Author: Sylver Bruneau + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Watchdog timer block registers. + */ +#define TIMER_CTRL (TIMER_VIRT_BASE + 0x0000) +#define WDT_EN 0x0010 +#define WDT_VAL (TIMER_VIRT_BASE + 0x0024) + +#define WDT_MAX_DURATION (0xffffffff / ORION5X_TCLK) +#define WDT_IN_USE 0 +#define WDT_OK_TO_CLOSE 1 + +static int nowayout = WATCHDOG_NOWAYOUT; +static int heartbeat = WDT_MAX_DURATION; /* (seconds) */ +static unsigned long wdt_status; + +static void wdt_enable(void) +{ + u32 reg; + + /* Set watchdog duration */ + writel(ORION5X_TCLK * heartbeat, WDT_VAL); + + /* Clear watchdog timer interrupt */ + reg = readl(BRIDGE_CAUSE); + reg &= ~WDT_INT_REQ; + writel(reg, BRIDGE_CAUSE); + + /* Enable watchdog timer */ + reg = readl(TIMER_CTRL); + reg |= WDT_EN; + writel(reg, TIMER_CTRL); + + /* Enable reset on watchdog */ + reg = readl(CPU_RESET_MASK); + reg |= WDT_RESET; + writel(reg, CPU_RESET_MASK); +} + +static void wdt_disable(void) +{ + u32 reg; + + /* Disable reset on watchdog */ + reg = readl(CPU_RESET_MASK); + reg &= ~WDT_RESET; + writel(reg, CPU_RESET_MASK); + + /* Disable watchdog timer */ + reg = readl(TIMER_CTRL); + reg &= ~WDT_EN; + writel(reg, TIMER_CTRL); +} + +static int orion5x_wdt_open(struct inode *inode, struct file *file) +{ + if (test_and_set_bit(WDT_IN_USE, &wdt_status)) + return -EBUSY; + clear_bit(WDT_OK_TO_CLOSE, &wdt_status); + wdt_enable(); + return nonseekable_open(inode, file); +} + +static int orion5x_wdt_get_timeleft(int *time_left) +{ + *time_left = readl(WDT_VAL) / ORION5X_TCLK; + return 0; +} + +static ssize_t orion5x_wdt_write(struct file *file, const char *data, + size_t len, loff_t *ppos) +{ + if (len) { + if (!nowayout) { + size_t i; + + clear_bit(WDT_OK_TO_CLOSE, &wdt_status); + for (i = 0; i != len; i++) { + char c; + + if (get_user(c, data + i)) + return -EFAULT; + if (c == 'V') + set_bit(WDT_OK_TO_CLOSE, &wdt_status); + } + } + wdt_enable(); + } + return len; +} + +static struct watchdog_info ident = { + .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | + WDIOF_KEEPALIVEPING, + .identity = "Orion5x Watchdog", +}; + + +static long orion5x_wdt_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + int ret = -ENOTTY; + int time; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = copy_to_user((struct watchdog_info *)arg, &ident, + sizeof(ident)) ? -EFAULT : 0; + break; + + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + ret = put_user(0, (int *)arg); + break; + + case WDIOC_KEEPALIVE: + wdt_enable(); + ret = 0; + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(time, (int *)arg); + if (ret) + break; + + if (time <= 0 || time > WDT_MAX_DURATION) { + ret = -EINVAL; + break; + } + heartbeat = time; + wdt_enable(); + /* Fall through */ + + case WDIOC_GETTIMEOUT: + ret = put_user(heartbeat, (int *)arg); + break; + + case WDIOC_GETTIMELEFT: + if (orion5x_wdt_get_timeleft(&time)) { + ret = -EINVAL; + break; + } + ret = put_user(time, (int *)arg); + break; + } + return ret; +} + +static int orion5x_wdt_release(struct inode *inode, struct file *file) +{ + if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) + wdt_disable(); + else + printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - " + "timer will not stop\n"); + clear_bit(WDT_IN_USE, &wdt_status); + clear_bit(WDT_OK_TO_CLOSE, &wdt_status); + + return 0; +} + + +static const struct file_operations orion5x_wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = orion5x_wdt_write, + .unlocked_ioctl = orion5x_wdt_ioctl, + .open = orion5x_wdt_open, + .release = orion5x_wdt_release, +}; + +static struct miscdevice orion5x_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &orion5x_wdt_fops, +}; + +static int __init orion5x_wdt_init(void) +{ + int ret; + + ret = misc_register(&orion5x_wdt_miscdev); + if (ret == 0) + printk("Orion5x Watchdog Timer: heartbeat %d sec\n", + heartbeat); + + return ret; +} + +static void __exit orion5x_wdt_exit(void) +{ + misc_deregister(&orion5x_wdt_miscdev); +} + +module_init(orion5x_wdt_init); +module_exit(orion5x_wdt_exit); + +MODULE_AUTHOR("Sylver Bruneau "); +MODULE_DESCRIPTION("Orion5x Processor Watchdog"); + +module_param(heartbeat, int, 0); +MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds (default is " + __MODULE_STRING(WDT_MAX_DURATION) ")"); + +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started"); + +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); -- GitLab From cdbf4c3c5f4909767c21f47f68f2ee57a8b36b3b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 11:33:43 +0800 Subject: [PATCH 3435/6244] Blackfin arch: use the Blackfin on-chip ROM to do software reset when possible Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfrom.h | 85 +++++++++++++++++++++++++++++++ arch/blackfin/kernel/reboot.c | 10 +++- 2 files changed, 94 insertions(+), 1 deletion(-) create mode 100644 arch/blackfin/include/asm/bfrom.h diff --git a/arch/blackfin/include/asm/bfrom.h b/arch/blackfin/include/asm/bfrom.h new file mode 100644 index 000000000000..cfe8024c3b2f --- /dev/null +++ b/arch/blackfin/include/asm/bfrom.h @@ -0,0 +1,85 @@ +/* Blackfin on-chip ROM API + * + * Copyright 2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFROM_H__ +#define __BFROM_H__ + +#include + +/* Possible syscontrol action flags */ +#define SYSCTRL_READ 0x00000000 /* read registers */ +#define SYSCTRL_WRITE 0x00000001 /* write registers */ +#define SYSCTRL_SYSRESET 0x00000002 /* perform system reset */ +#define SYSCTRL_CORERESET 0x00000004 /* perform core reset */ +#define SYSCTRL_SOFTRESET 0x00000006 /* perform core and system reset */ +#define SYSCTRL_VRCTL 0x00000010 /* read/write VR_CTL register */ +#define SYSCTRL_EXTVOLTAGE 0x00000020 /* VDDINT supplied externally */ +#define SYSCTRL_INTVOLTAGE 0x00000000 /* VDDINT generated by on-chip regulator */ +#define SYSCTRL_OTPVOLTAGE 0x00000040 /* For Factory Purposes Only */ +#define SYSCTRL_PLLCTL 0x00000100 /* read/write PLL_CTL register */ +#define SYSCTRL_PLLDIV 0x00000200 /* read/write PLL_DIV register */ +#define SYSCTRL_LOCKCNT 0x00000400 /* read/write PLL_LOCKCNT register */ +#define SYSCTRL_PLLSTAT 0x00000800 /* read/write PLL_STAT register */ + +typedef struct ADI_SYSCTRL_VALUES { + uint16_t uwVrCtl; + uint16_t uwPllCtl; + uint16_t uwPllDiv; + uint16_t uwPllLockCnt; + uint16_t uwPllStat; +} ADI_SYSCTRL_VALUES; + +static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)0xEF000038; + +/* We need a dedicated function since we need to screw with the stack pointer + * when resetting. The on-chip ROM will save/restore registers on the stack + * when doing a system reset, so the stack cannot be outside of the chip. + */ +__attribute__((__noreturn__)) +static inline void bfrom_SoftReset(void *new_stack) +{ + while (1) + __asm__ __volatile__( + "sp = %[stack];" + "jump (%[bfrom_syscontrol]);" + : : [bfrom_syscontrol] "p"(bfrom_SysControl), + "q0"(SYSCTRL_SOFTRESET), + "q1"(0), + "q2"(NULL), + [stack] "p"(new_stack) + ); +} + +/* OTP Functions */ +static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)0xEF000018; +static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001A; +static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001C; + +/* otp command: defines for "command" */ +#define OTP_INIT 0x00000001 +#define OTP_CLOSE 0x00000002 + +/* otp read/write: defines for "flags" */ +#define OTP_LOWER_HALF 0x00000000 /* select upper/lower 64-bit half (bit 0) */ +#define OTP_UPPER_HALF 0x00000001 +#define OTP_NO_ECC 0x00000010 /* do not use ECC */ +#define OTP_LOCK 0x00000020 /* sets page protection bit for page */ +#define OTP_CHECK_FOR_PREV_WRITE 0x00000080 + +/* Return values for all functions */ +#define OTP_SUCCESS 0x00000000 +#define OTP_MASTER_ERROR 0x001 +#define OTP_WRITE_ERROR 0x003 +#define OTP_READ_ERROR 0x005 +#define OTP_ACC_VIO_ERROR 0x009 +#define OTP_DATA_MULT_ERROR 0x011 +#define OTP_ECC_MULT_ERROR 0x021 +#define OTP_PREV_WR_ERROR 0x041 +#define OTP_DATA_SB_WARN 0x100 +#define OTP_ECC_SB_WARN 0x200 + +#endif diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index d0ead640d992..ae97ca407b0d 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -10,6 +10,7 @@ #include #include #include +#include /* A system soft reset makes external memory unusable so force * this function into L1. We use the compiler ssync here rather @@ -74,7 +75,14 @@ void machine_restart(char *cmd) { native_machine_restart(cmd); local_irq_disable(); - bfin_reset(); + if (ANOMALY_05000353 || ANOMALY_05000386) + bfin_reset(); + else + /* the bootrom checks to see how it was reset and will + * automatically perform a software reset for us when + * it starts executing boot + */ + asm("raise 1;"); } __attribute__((weak)) -- GitLab From ad5dd977430216059d8344ccc516f11be4a37082 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 21:17:11 +0800 Subject: [PATCH 3436/6244] Blackfin arch: make sure L2 start and length are always defined (fixes building on BF542) Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/include/mach/mem_map.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/blackfin/mach-bf548/include/mach/mem_map.h b/arch/blackfin/mach-bf548/include/mach/mem_map.h index f99f47bc3a07..a2228428dc06 100644 --- a/arch/blackfin/mach-bf548/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf548/include/mach/mem_map.h @@ -94,13 +94,13 @@ #endif /*CONFIG_BFIN_DCACHE*/ /* Level 2 Memory */ -#if !defined(CONFIG_BF542) -# define L2_START 0xFEB00000 -# if defined(CONFIG_BF544) -# define L2_LENGTH 0x10000 -# else -# define L2_LENGTH 0x20000 -# endif +#define L2_START 0xFEB00000 +#if defined(CONFIG_BF542) +# define L2_LENGTH 0 +#elif defined(CONFIG_BF544) +# define L2_LENGTH 0x10000 +#else +# define L2_LENGTH 0x20000 #endif /* Scratch Pad Memory */ -- GitLab From 6d0f0dfdbc8bdb0c52759224b0d423c35f828397 Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Thu, 2 Oct 2008 09:32:45 +0000 Subject: [PATCH 3437/6244] [WATCHDOG] orion5x_wdt.c: add spinlocking Add spin_locking to orion5x_wdt.c to prevent races. Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/orion5x_wdt.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/watchdog/orion5x_wdt.c b/drivers/watchdog/orion5x_wdt.c index 144776314989..14a339f58b6a 100644 --- a/drivers/watchdog/orion5x_wdt.c +++ b/drivers/watchdog/orion5x_wdt.c @@ -20,6 +20,7 @@ #include #include #include +#include /* * Watchdog timer block registers. @@ -35,11 +36,14 @@ static int nowayout = WATCHDOG_NOWAYOUT; static int heartbeat = WDT_MAX_DURATION; /* (seconds) */ static unsigned long wdt_status; +static spinlock_t wdt_lock; static void wdt_enable(void) { u32 reg; + spin_lock(&wdt_lock); + /* Set watchdog duration */ writel(ORION5X_TCLK * heartbeat, WDT_VAL); @@ -57,12 +61,16 @@ static void wdt_enable(void) reg = readl(CPU_RESET_MASK); reg |= WDT_RESET; writel(reg, CPU_RESET_MASK); + + spin_unlock(&wdt_lock); } static void wdt_disable(void) { u32 reg; + spin_lock(&wdt_lock); + /* Disable reset on watchdog */ reg = readl(CPU_RESET_MASK); reg &= ~WDT_RESET; @@ -72,6 +80,16 @@ static void wdt_disable(void) reg = readl(TIMER_CTRL); reg &= ~WDT_EN; writel(reg, TIMER_CTRL); + + spin_unlock(&wdt_lock); +} + +static int orion5x_wdt_get_timeleft(int *time_left) +{ + spin_lock(&wdt_lock); + *time_left = readl(WDT_VAL) / ORION5X_TCLK; + spin_unlock(&wdt_lock); + return 0; } static int orion5x_wdt_open(struct inode *inode, struct file *file) @@ -83,12 +101,6 @@ static int orion5x_wdt_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } -static int orion5x_wdt_get_timeleft(int *time_left) -{ - *time_left = readl(WDT_VAL) / ORION5X_TCLK; - return 0; -} - static ssize_t orion5x_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) { @@ -201,6 +213,8 @@ static int __init orion5x_wdt_init(void) { int ret; + spin_lock_init(&wdt_lock); + ret = misc_register(&orion5x_wdt_miscdev); if (ret == 0) printk("Orion5x Watchdog Timer: heartbeat %d sec\n", -- GitLab From fecc8d6d5611a6b1dce4a6cff4713f390056aa1c Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Fri, 10 Oct 2008 21:23:29 +0800 Subject: [PATCH 3438/6244] Blackfin arch: Remove useless head file Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cpumask.h | 6 ------ 1 file changed, 6 deletions(-) delete mode 100644 arch/blackfin/include/asm/cpumask.h diff --git a/arch/blackfin/include/asm/cpumask.h b/arch/blackfin/include/asm/cpumask.h deleted file mode 100644 index b20a8e9012cb..000000000000 --- a/arch/blackfin/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_BLACKFIN_CPUMASK_H -#define _ASM_BLACKFIN_CPUMASK_H - -#include - -#endif /* _ASM_BLACKFIN_CPUMASK_H */ -- GitLab From 3094c981f2d567f0a442687ced24a5340aa10b6c Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Fri, 10 Oct 2008 21:22:01 +0800 Subject: [PATCH 3439/6244] Blackfin arch: fix a typo in comments Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 74370f3707b9..7054594831c5 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -411,7 +411,7 @@ static __init void parse_cmdline_early(char *cmdline_p) * [_rambase, _ramstart]: kernel image * [memory_start, memory_end]: dynamic memory managed by kernel * [memory_end, _ramend]: reserved memory - * [meory_mtd_start(memory_end), + * [memory_mtd_start(memory_end), * memory_mtd_start + mtd_size]: rootfs (if any) * [_ramend - DMA_UNCACHED_REGION, * _ramend]: uncached DMA region -- GitLab From 561967010edef40f539dacf2aa125e20773ab40b Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:29 -0400 Subject: [PATCH 3440/6244] netlabel: Fix some sparse warnings Fix a few sparse warnings. One dealt with a RCU lock being held on error, another dealt with an improper type caused by a signed/unsigned mixup while the rest appeared to be caused by using rcu_dereference() in a list_for_each_entry_rcu() call. The latter probably isn't a big deal, but I derive a certain pleasure from knowing that the net/netlabel is nice and clean. Thanks to James Morris for pointing out the issues and demonstrating how to run sparse. Signed-off-by: Paul Moore --- net/netlabel/netlabel_cipso_v4.c | 4 ++-- net/netlabel/netlabel_domainhash.c | 12 ++++++------ net/netlabel/netlabel_unlabeled.c | 12 ++++++------ 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index 0aec318bf0ef..aaf50032b3ac 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -491,7 +491,7 @@ list_start: doi_def = cipso_v4_doi_getdef(doi); if (doi_def == NULL) { ret_val = -EINVAL; - goto list_failure; + goto list_failure_lock; } ret_val = nla_put_u32(ans_skb, NLBL_CIPSOV4_A_MTYPE, doi_def->type); @@ -655,7 +655,7 @@ static int netlbl_cipsov4_listall(struct sk_buff *skb, struct netlink_callback *cb) { struct netlbl_cipsov4_doiwalk_arg cb_arg; - int doi_skip = cb->args[0]; + u32 doi_skip = cb->args[0]; cb_arg.nl_cb = cb; cb_arg.skb = skb; diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index 643c032a3a57..dc42206c4312 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -115,13 +115,13 @@ static u32 netlbl_domhsh_hash(const char *key) static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain) { u32 bkt; + struct list_head *bkt_list; struct netlbl_dom_map *iter; if (domain != NULL) { bkt = netlbl_domhsh_hash(domain); - list_for_each_entry_rcu(iter, - &rcu_dereference(netlbl_domhsh)->tbl[bkt], - list) + bkt_list = &rcu_dereference(netlbl_domhsh)->tbl[bkt]; + list_for_each_entry_rcu(iter, bkt_list, list) if (iter->valid && strcmp(iter->domain, domain) == 0) return iter; } @@ -410,6 +410,7 @@ int netlbl_domhsh_walk(u32 *skip_bkt, { int ret_val = -ENOENT; u32 iter_bkt; + struct list_head *iter_list; struct netlbl_dom_map *iter_entry; u32 chain_cnt = 0; @@ -417,9 +418,8 @@ int netlbl_domhsh_walk(u32 *skip_bkt, for (iter_bkt = *skip_bkt; iter_bkt < rcu_dereference(netlbl_domhsh)->size; iter_bkt++, chain_cnt = 0) { - list_for_each_entry_rcu(iter_entry, - &rcu_dereference(netlbl_domhsh)->tbl[iter_bkt], - list) + iter_list = &rcu_dereference(netlbl_domhsh)->tbl[iter_bkt]; + list_for_each_entry_rcu(iter_entry, iter_list, list) if (iter_entry->valid) { if (chain_cnt++ < *skip_chain) continue; diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index 921c118ead89..cc105a10e3f8 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -381,12 +381,12 @@ static struct netlbl_unlhsh_addr6 *netlbl_unlhsh_search_addr6( static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex) { u32 bkt; + struct list_head *bkt_list; struct netlbl_unlhsh_iface *iter; bkt = netlbl_unlhsh_hash(ifindex); - list_for_each_entry_rcu(iter, - &rcu_dereference(netlbl_unlhsh)->tbl[bkt], - list) + bkt_list = &rcu_dereference(netlbl_unlhsh)->tbl[bkt]; + list_for_each_entry_rcu(iter, bkt_list, list) if (iter->valid && iter->ifindex == ifindex) return iter; @@ -1427,6 +1427,7 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, struct netlbl_unlhsh_iface *iface; struct netlbl_unlhsh_addr4 *addr4; struct netlbl_unlhsh_addr6 *addr6; + struct list_head *iter_list; cb_arg.nl_cb = cb; cb_arg.skb = skb; @@ -1436,9 +1437,8 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, for (iter_bkt = skip_bkt; iter_bkt < rcu_dereference(netlbl_unlhsh)->size; iter_bkt++, iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0) { - list_for_each_entry_rcu(iface, - &rcu_dereference(netlbl_unlhsh)->tbl[iter_bkt], - list) { + iter_list = &rcu_dereference(netlbl_unlhsh)->tbl[iter_bkt]; + list_for_each_entry_rcu(iface, iter_list, list) { if (!iface->valid || iter_chain++ < skip_chain) continue; -- GitLab From accc609322ef5ed44cba6d2d70c741afc76385fb Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:29 -0400 Subject: [PATCH 3441/6244] selinux: Cleanup the NetLabel glue code We were doing a lot of extra work in selinux_netlbl_sock_graft() what wasn't necessary so this patch removes that code. It also removes the redundant second argument to selinux_netlbl_sock_setsid() which allows us to simplify a few other functions. Signed-off-by: Paul Moore Acked-by: James Morris --- security/selinux/netlabel.c | 38 ++++++++++--------------------------- 1 file changed, 10 insertions(+), 28 deletions(-) diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index 89b418392f11..b9ce5fcf3432 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -66,22 +66,24 @@ static int selinux_netlbl_sidlookup_cached(struct sk_buff *skb, /** * selinux_netlbl_sock_setsid - Label a socket using the NetLabel mechanism * @sk: the socket to label - * @sid: the SID to use * * Description: - * Attempt to label a socket using the NetLabel mechanism using the given - * SID. Returns zero values on success, negative values on failure. + * Attempt to label a socket using the NetLabel mechanism. Returns zero values + * on success, negative values on failure. * */ -static int selinux_netlbl_sock_setsid(struct sock *sk, u32 sid) +static int selinux_netlbl_sock_setsid(struct sock *sk) { int rc; struct sk_security_struct *sksec = sk->sk_security; struct netlbl_lsm_secattr secattr; + if (sksec->nlbl_state != NLBL_REQUIRE) + return 0; + netlbl_secattr_init(&secattr); - rc = security_netlbl_sid_to_secattr(sid, &secattr); + rc = security_netlbl_sid_to_secattr(sksec->sid, &secattr); if (rc != 0) goto sock_setsid_return; rc = netlbl_sock_setattr(sk, &secattr); @@ -174,24 +176,10 @@ int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, */ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) { - struct sk_security_struct *sksec = sk->sk_security; - struct netlbl_lsm_secattr secattr; - u32 nlbl_peer_sid; - - if (sksec->nlbl_state != NLBL_REQUIRE) - return; - - netlbl_secattr_init(&secattr); - if (netlbl_sock_getattr(sk, &secattr) == 0 && - secattr.flags != NETLBL_SECATTR_NONE && - security_netlbl_secattr_to_sid(&secattr, &nlbl_peer_sid) == 0) - sksec->peer_sid = nlbl_peer_sid; - netlbl_secattr_destroy(&secattr); - /* Try to set the NetLabel on the socket to save time later, if we fail * here we will pick up the pieces in later calls to * selinux_netlbl_inode_permission(). */ - selinux_netlbl_sock_setsid(sk, sksec->sid); + selinux_netlbl_sock_setsid(sk); } /** @@ -205,13 +193,7 @@ void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) */ int selinux_netlbl_socket_post_create(struct socket *sock) { - struct sock *sk = sock->sk; - struct sk_security_struct *sksec = sk->sk_security; - - if (sksec->nlbl_state != NLBL_REQUIRE) - return 0; - - return selinux_netlbl_sock_setsid(sk, sksec->sid); + return selinux_netlbl_sock_setsid(sock->sk); } /** @@ -246,7 +228,7 @@ int selinux_netlbl_inode_permission(struct inode *inode, int mask) local_bh_disable(); bh_lock_sock_nested(sk); if (likely(sksec->nlbl_state == NLBL_REQUIRE)) - rc = selinux_netlbl_sock_setsid(sk, sksec->sid); + rc = selinux_netlbl_sock_setsid(sk); else rc = 0; bh_unlock_sock(sk); -- GitLab From aa86290089a1e57b4bdbbb4720072233f66bd5b2 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:29 -0400 Subject: [PATCH 3442/6244] selinux: Correctly handle IPv4 packets on IPv6 sockets in all cases We did the right thing in a few cases but there were several areas where we determined a packet's address family based on the socket's address family which is not the right thing to do since we can get IPv4 packets on IPv6 sockets. This patch fixes these problems by either taking the address family directly from the packet. Signed-off-by: Paul Moore Acked-by: James Morris --- security/selinux/hooks.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 03fc6a81ae32..223f474bee86 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4207,10 +4207,12 @@ static int selinux_socket_getpeersec_dgram(struct socket *sock, struct sk_buff * u32 peer_secid = SECSID_NULL; u16 family; - if (sock) + if (skb && skb->protocol == htons(ETH_P_IP)) + family = PF_INET; + else if (skb && skb->protocol == htons(ETH_P_IPV6)) + family = PF_INET6; + else if (sock) family = sock->sk->sk_family; - else if (skb && skb->sk) - family = skb->sk->sk_family; else goto out; @@ -4277,10 +4279,15 @@ static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, { struct sk_security_struct *sksec = sk->sk_security; int err; + u16 family = sk->sk_family; u32 newsid; u32 peersid; - err = selinux_skb_peerlbl_sid(skb, sk->sk_family, &peersid); + /* handle mapped IPv4 packets arriving via IPv6 sockets */ + if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) + family = PF_INET; + + err = selinux_skb_peerlbl_sid(skb, family, &peersid); if (err) return err; if (peersid == SECSID_NULL) { @@ -4318,9 +4325,14 @@ static void selinux_inet_csk_clone(struct sock *newsk, static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb) { + u16 family = sk->sk_family; struct sk_security_struct *sksec = sk->sk_security; - selinux_skb_peerlbl_sid(skb, sk->sk_family, &sksec->peer_sid); + /* handle mapped IPv4 packets arriving via IPv6 sockets */ + if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) + family = PF_INET; + + selinux_skb_peerlbl_sid(skb, family, &sksec->peer_sid); } static void selinux_req_classify_flow(const struct request_sock *req, -- GitLab From 948a72438d4178d0728c4b0a38836d280b846939 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:30 -0400 Subject: [PATCH 3443/6244] netlabel: Remove unneeded in-kernel API functions After some discussions with the Smack folks, well just Casey, I now have a better idea of what Smack wants out of NetLabel in the future so I think it is now safe to do some API "pruning". If another LSM comes along that needs this functionality we can always add it back in, but I don't see any LSMs on the horizon which might make use of these functions. Thanks to Rami Rosen who suggested removing netlbl_cfg_cipsov4_del() back in February 2008. Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/netlabel.h | 13 ------ net/netlabel/netlabel_kapi.c | 84 ++++++++++-------------------------- 2 files changed, 23 insertions(+), 74 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index e4d2d6baa983..5303749b7093 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -352,12 +352,9 @@ static inline void netlbl_secattr_free(struct netlbl_lsm_secattr *secattr) int netlbl_cfg_map_del(const char *domain, struct netlbl_audit *audit_info); int netlbl_cfg_unlbl_add_map(const char *domain, struct netlbl_audit *audit_info); -int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, - struct netlbl_audit *audit_info); int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, const char *domain, struct netlbl_audit *audit_info); -int netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info); /* * LSM security attribute operations @@ -404,22 +401,12 @@ static inline int netlbl_cfg_unlbl_add_map(const char *domain, { return -ENOSYS; } -static inline int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, - struct netlbl_audit *audit_info) -{ - return -ENOSYS; -} static inline int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, const char *domain, struct netlbl_audit *audit_info) { return -ENOSYS; } -static inline int netlbl_cfg_cipsov4_del(u32 doi, - struct netlbl_audit *audit_info) -{ - return -ENOSYS; -} static inline int netlbl_secattr_catmap_walk( struct netlbl_lsm_secattr_catmap *catmap, u32 offset) diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 39793a1a93aa..6c211fe97782 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -82,7 +82,7 @@ int netlbl_cfg_unlbl_add_map(const char *domain, entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) - goto cfg_unlbl_add_map_failure; + return -ENOMEM; if (domain != NULL) { entry->domain = kstrdup(domain, GFP_ATOMIC); if (entry->domain == NULL) @@ -103,49 +103,6 @@ cfg_unlbl_add_map_failure: return ret_val; } -/** - * netlbl_cfg_cipsov4_add - Add a new CIPSOv4 DOI definition - * @doi_def: the DOI definition - * @audit_info: NetLabel audit information - * - * Description: - * Add a new CIPSOv4 DOI definition to the NetLabel subsystem. Returns zero on - * success, negative values on failure. - * - */ -int netlbl_cfg_cipsov4_add(struct cipso_v4_doi *doi_def, - struct netlbl_audit *audit_info) -{ - int ret_val; - const char *type_str; - struct audit_buffer *audit_buf; - - ret_val = cipso_v4_doi_add(doi_def); - - audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, - audit_info); - if (audit_buf != NULL) { - switch (doi_def->type) { - case CIPSO_V4_MAP_STD: - type_str = "std"; - break; - case CIPSO_V4_MAP_PASS: - type_str = "pass"; - break; - default: - type_str = "(unknown)"; - } - audit_log_format(audit_buf, - " cipso_doi=%u cipso_type=%s res=%u", - doi_def->doi, - type_str, - ret_val == 0 ? 1 : 0); - audit_log_end(audit_buf); - } - - return ret_val; -} - /** * netlbl_cfg_cipsov4_add_map - Add a new CIPSOv4 DOI definition and mapping * @doi_def: the DOI definition @@ -165,10 +122,12 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, { int ret_val = -ENOMEM; struct netlbl_dom_map *entry; + const char *type_str; + struct audit_buffer *audit_buf; entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) - goto cfg_cipsov4_add_map_failure; + return -ENOMEM; if (domain != NULL) { entry->domain = kstrdup(domain, GFP_ATOMIC); if (entry->domain == NULL) @@ -182,7 +141,7 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, * domain mapping for it. */ rcu_read_lock(); - ret_val = netlbl_cfg_cipsov4_add(doi_def, audit_info); + ret_val = cipso_v4_doi_add(doi_def); if (ret_val != 0) goto cfg_cipsov4_add_map_failure_unlock; ret_val = netlbl_domhsh_add(entry, audit_info); @@ -196,6 +155,24 @@ cfg_cipsov4_add_map_failure_remove_doi: cipso_v4_doi_remove(doi_def->doi, audit_info, netlbl_cipsov4_doi_free); cfg_cipsov4_add_map_failure_unlock: rcu_read_unlock(); + audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, + audit_info); + if (audit_buf != NULL) { + switch (doi_def->type) { + case CIPSO_V4_MAP_STD: + type_str = "std"; + break; + case CIPSO_V4_MAP_PASS: + type_str = "pass"; + break; + default: + type_str = "(unknown)"; + } + audit_log_format(audit_buf, + " cipso_doi=%u cipso_type=%s res=%u", + doi_def->doi, type_str, ret_val == 0 ? 1 : 0); + audit_log_end(audit_buf); + } cfg_cipsov4_add_map_failure: if (entry != NULL) kfree(entry->domain); @@ -203,21 +180,6 @@ cfg_cipsov4_add_map_failure: return ret_val; } -/** - * netlbl_cfg_cipsov4_del - Removean existing CIPSOv4 DOI definition - * @doi: the CIPSO DOI value - * @audit_info: NetLabel audit information - * - * Description: - * Removes an existing CIPSOv4 DOI definition from the NetLabel subsystem. - * Returns zero on success, negative values on failure. - * - */ -int netlbl_cfg_cipsov4_del(u32 doi, struct netlbl_audit *audit_info) -{ - return cipso_v4_doi_remove(doi, audit_info, netlbl_cipsov4_doi_free); -} - /* * Security Attribute Functions */ -- GitLab From d8395c876bb8a560c8a032887e191b95499a25d6 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:30 -0400 Subject: [PATCH 3444/6244] selinux: Better local/forward check in selinux_ip_postroute() It turns out that checking to see if skb->sk is NULL is not a very good indicator of a forwarded packet as some locally generated packets also have skb->sk set to NULL. Fix this by not only checking the skb->sk field but also the IP[6]CB(skb)->flags field for the IP[6]SKB_FORWARDED flag. While we are at it, we are calling selinux_parse_skb() much earlier than we really should resulting in potentially wasted cycles parsing packets for information we might no use; so shuffle the code around a bit to fix this. Signed-off-by: Paul Moore Acked-by: James Morris --- security/selinux/hooks.c | 126 +++++++++++++++++++++++++-------------- 1 file changed, 81 insertions(+), 45 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 223f474bee86..b520667a24be 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4070,20 +4070,28 @@ static int selinux_sock_rcv_skb_iptables_compat(struct sock *sk, } static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb, - struct avc_audit_data *ad, - u16 family, char *addrp) + u16 family) { int err; struct sk_security_struct *sksec = sk->sk_security; u32 peer_sid; u32 sk_sid = sksec->sid; + struct avc_audit_data ad; + char *addrp; + + AVC_AUDIT_DATA_INIT(&ad, NET); + ad.u.net.netif = skb->iif; + ad.u.net.family = family; + err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL); + if (err) + return err; if (selinux_compat_net) - err = selinux_sock_rcv_skb_iptables_compat(sk, skb, ad, + err = selinux_sock_rcv_skb_iptables_compat(sk, skb, &ad, family, addrp); else err = avc_has_perm(sk_sid, skb->secmark, SECCLASS_PACKET, - PACKET__RECV, ad); + PACKET__RECV, &ad); if (err) return err; @@ -4092,12 +4100,12 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb, if (err) return err; err = avc_has_perm(sk_sid, peer_sid, - SECCLASS_PEER, PEER__RECV, ad); + SECCLASS_PEER, PEER__RECV, &ad); } else { - err = selinux_netlbl_sock_rcv_skb(sksec, skb, family, ad); + err = selinux_netlbl_sock_rcv_skb(sksec, skb, family, &ad); if (err) return err; - err = selinux_xfrm_sock_rcv_skb(sksec->sid, skb, ad); + err = selinux_xfrm_sock_rcv_skb(sksec->sid, skb, &ad); } return err; @@ -4111,6 +4119,8 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) u32 sk_sid = sksec->sid; struct avc_audit_data ad; char *addrp; + u8 secmark_active; + u8 peerlbl_active; if (family != PF_INET && family != PF_INET6) return 0; @@ -4119,6 +4129,18 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) family = PF_INET; + /* If any sort of compatibility mode is enabled then handoff processing + * to the selinux_sock_rcv_skb_compat() function to deal with the + * special handling. We do this in an attempt to keep this function + * as fast and as clean as possible. */ + if (selinux_compat_net || !selinux_policycap_netpeer) + return selinux_sock_rcv_skb_compat(sk, skb, family); + + secmark_active = selinux_secmark_enabled(); + peerlbl_active = netlbl_enabled() || selinux_xfrm_enabled(); + if (!secmark_active && !peerlbl_active) + return 0; + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.netif = skb->iif; ad.u.net.family = family; @@ -4126,15 +4148,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) if (err) return err; - /* If any sort of compatibility mode is enabled then handoff processing - * to the selinux_sock_rcv_skb_compat() function to deal with the - * special handling. We do this in an attempt to keep this function - * as fast and as clean as possible. */ - if (selinux_compat_net || !selinux_policycap_netpeer) - return selinux_sock_rcv_skb_compat(sk, skb, &ad, - family, addrp); - - if (netlbl_enabled() || selinux_xfrm_enabled()) { + if (peerlbl_active) { u32 peer_sid; err = selinux_skb_peerlbl_sid(skb, family, &peer_sid); @@ -4148,7 +4162,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) PEER__RECV, &ad); } - if (selinux_secmark_enabled()) { + if (secmark_active) { err = avc_has_perm(sk_sid, skb->secmark, SECCLASS_PACKET, PACKET__RECV, &ad); if (err) @@ -4396,15 +4410,15 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, if (!secmark_active && !peerlbl_active) return NF_ACCEPT; + if (selinux_skb_peerlbl_sid(skb, family, &peer_sid) != 0) + return NF_DROP; + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.netif = ifindex; ad.u.net.family = family; if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0) return NF_DROP; - if (selinux_skb_peerlbl_sid(skb, family, &peer_sid) != 0) - return NF_DROP; - if (peerlbl_active) if (selinux_inet_sys_rcv_skb(ifindex, addrp, family, peer_sid, &ad) != 0) @@ -4505,30 +4519,36 @@ static int selinux_ip_postroute_iptables_compat(struct sock *sk, static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb, int ifindex, - struct avc_audit_data *ad, - u16 family, - char *addrp, - u8 proto) + u16 family) { struct sock *sk = skb->sk; struct sk_security_struct *sksec; + struct avc_audit_data ad; + char *addrp; + u8 proto; if (sk == NULL) return NF_ACCEPT; sksec = sk->sk_security; + AVC_AUDIT_DATA_INIT(&ad, NET); + ad.u.net.netif = ifindex; + ad.u.net.family = family; + if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto)) + return NF_DROP; + if (selinux_compat_net) { if (selinux_ip_postroute_iptables_compat(skb->sk, ifindex, - ad, family, addrp)) + &ad, family, addrp)) return NF_DROP; } else { if (avc_has_perm(sksec->sid, skb->secmark, - SECCLASS_PACKET, PACKET__SEND, ad)) + SECCLASS_PACKET, PACKET__SEND, &ad)) return NF_DROP; } if (selinux_policycap_netpeer) - if (selinux_xfrm_postroute_last(sksec->sid, skb, ad, proto)) + if (selinux_xfrm_postroute_last(sksec->sid, skb, &ad, proto)) return NF_DROP; return NF_ACCEPT; @@ -4542,23 +4562,15 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, struct sock *sk; struct avc_audit_data ad; char *addrp; - u8 proto; u8 secmark_active; u8 peerlbl_active; - AVC_AUDIT_DATA_INIT(&ad, NET); - ad.u.net.netif = ifindex; - ad.u.net.family = family; - if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto)) - return NF_DROP; - /* If any sort of compatibility mode is enabled then handoff processing * to the selinux_ip_postroute_compat() function to deal with the * special handling. We do this in an attempt to keep this function * as fast and as clean as possible. */ if (selinux_compat_net || !selinux_policycap_netpeer) - return selinux_ip_postroute_compat(skb, ifindex, &ad, - family, addrp, proto); + return selinux_ip_postroute_compat(skb, ifindex, family); /* If skb->dst->xfrm is non-NULL then the packet is undergoing an IPsec * packet transformation so allow the packet to pass without any checks @@ -4574,21 +4586,45 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex, if (!secmark_active && !peerlbl_active) return NF_ACCEPT; - /* if the packet is locally generated (skb->sk != NULL) then use the - * socket's label as the peer label, otherwise the packet is being - * forwarded through this system and we need to fetch the peer label - * directly from the packet */ + /* if the packet is being forwarded then get the peer label from the + * packet itself; otherwise check to see if it is from a local + * application or the kernel, if from an application get the peer label + * from the sending socket, otherwise use the kernel's sid */ sk = skb->sk; - if (sk) { + if (sk == NULL) { + switch (family) { + case PF_INET: + if (IPCB(skb)->flags & IPSKB_FORWARDED) + secmark_perm = PACKET__FORWARD_OUT; + else + secmark_perm = PACKET__SEND; + break; + case PF_INET6: + if (IP6CB(skb)->flags & IP6SKB_FORWARDED) + secmark_perm = PACKET__FORWARD_OUT; + else + secmark_perm = PACKET__SEND; + break; + default: + return NF_DROP; + } + if (secmark_perm == PACKET__FORWARD_OUT) { + if (selinux_skb_peerlbl_sid(skb, family, &peer_sid)) + return NF_DROP; + } else + peer_sid = SECINITSID_KERNEL; + } else { struct sk_security_struct *sksec = sk->sk_security; peer_sid = sksec->sid; secmark_perm = PACKET__SEND; - } else { - if (selinux_skb_peerlbl_sid(skb, family, &peer_sid)) - return NF_DROP; - secmark_perm = PACKET__FORWARD_OUT; } + AVC_AUDIT_DATA_INIT(&ad, NET); + ad.u.net.netif = ifindex; + ad.u.net.family = family; + if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL)) + return NF_DROP; + if (secmark_active) if (avc_has_perm(peer_sid, skb->secmark, SECCLASS_PACKET, secmark_perm, &ad)) -- GitLab From 99d854d231ce141850b988bdc7e2e7c78f49b03a Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:30 -0400 Subject: [PATCH 3445/6244] selinux: Fix a problem in security_netlbl_sid_to_secattr() Currently when SELinux fails to allocate memory in security_netlbl_sid_to_secattr() the NetLabel LSM domain field is set to NULL which triggers the default NetLabel LSM domain mapping which may not always be the desired mapping. This patch fixes this by returning an error when the kernel is unable to allocate memory. This could result in more failures on a system with heavy memory pressure but it is the "correct" thing to do. Signed-off-by: Paul Moore Acked-by: James Morris --- security/selinux/ss/services.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 8551952ef329..c8f688a10041 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2785,7 +2785,7 @@ netlbl_secattr_to_sid_return_cleanup: */ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr) { - int rc = -ENOENT; + int rc; struct context *ctx; if (!ss_initialized) @@ -2793,10 +2793,16 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr) read_lock(&policy_rwlock); ctx = sidtab_search(&sidtab, sid); - if (ctx == NULL) + if (ctx == NULL) { + rc = -ENOENT; goto netlbl_sid_to_secattr_failure; + } secattr->domain = kstrdup(policydb.p_type_val_to_name[ctx->type - 1], GFP_ATOMIC); + if (secattr->domain == NULL) { + rc = -ENOMEM; + goto netlbl_sid_to_secattr_failure; + } secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY; mls_export_netlbl_lvl(ctx, secattr); rc = mls_export_netlbl_cat(ctx, secattr); -- GitLab From dfaebe9825ff34983778f287101bc5f3bce00640 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:31 -0400 Subject: [PATCH 3446/6244] selinux: Fix missing calls to netlbl_skbuff_err() At some point I think I messed up and dropped the calls to netlbl_skbuff_err() which are necessary for CIPSO to send error notifications to remote systems. This patch re-introduces the error handling calls into the SELinux code. Signed-off-by: Paul Moore Acked-by: James Morris --- include/net/netlabel.h | 6 ++++-- net/netlabel/netlabel_kapi.c | 5 +++-- security/selinux/hooks.c | 19 +++++++++++++++---- security/selinux/include/netlabel.h | 9 +++++++++ security/selinux/netlabel.c | 20 +++++++++++++++++++- 5 files changed, 50 insertions(+), 9 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 5303749b7093..e16db0961265 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -382,7 +382,7 @@ int netlbl_sock_getattr(struct sock *sk, int netlbl_skbuff_getattr(const struct sk_buff *skb, u16 family, struct netlbl_lsm_secattr *secattr); -void netlbl_skbuff_err(struct sk_buff *skb, int error); +void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway); /* * LSM label mapping cache operations @@ -454,7 +454,9 @@ static inline int netlbl_skbuff_getattr(const struct sk_buff *skb, { return -ENOSYS; } -static inline void netlbl_skbuff_err(struct sk_buff *skb, int error) +static inline void netlbl_skbuff_err(struct sk_buff *skb, + int error, + int gateway) { return; } diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 6c211fe97782..22faba620e4b 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -490,6 +490,7 @@ int netlbl_skbuff_getattr(const struct sk_buff *skb, * netlbl_skbuff_err - Handle a LSM error on a sk_buff * @skb: the packet * @error: the error code + * @gateway: true if host is acting as a gateway, false otherwise * * Description: * Deal with a LSM problem when handling the packet in @skb, typically this is @@ -497,10 +498,10 @@ int netlbl_skbuff_getattr(const struct sk_buff *skb, * according to the packet's labeling protocol. * */ -void netlbl_skbuff_err(struct sk_buff *skb, int error) +void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway) { if (CIPSO_V4_OPTEXIST(skb)) - cipso_v4_error(skb, error, 0); + cipso_v4_error(skb, error, gateway); } /** diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index b520667a24be..a91146a6b37d 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4101,6 +4101,8 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb, return err; err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER, PEER__RECV, &ad); + if (err) + selinux_netlbl_err(skb, err, 0); } else { err = selinux_netlbl_sock_rcv_skb(sksec, skb, family, &ad); if (err) @@ -4156,10 +4158,14 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) return err; err = selinux_inet_sys_rcv_skb(skb->iif, addrp, family, peer_sid, &ad); - if (err) + if (err) { + selinux_netlbl_err(skb, err, 0); return err; + } err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER, PEER__RECV, &ad); + if (err) + selinux_netlbl_err(skb, err, 0); } if (secmark_active) { @@ -4396,6 +4402,7 @@ out: static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, u16 family) { + int err; char *addrp; u32 peer_sid; struct avc_audit_data ad; @@ -4419,10 +4426,14 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0) return NF_DROP; - if (peerlbl_active) - if (selinux_inet_sys_rcv_skb(ifindex, addrp, family, - peer_sid, &ad) != 0) + if (peerlbl_active) { + err = selinux_inet_sys_rcv_skb(ifindex, addrp, family, + peer_sid, &ad); + if (err) { + selinux_netlbl_err(skb, err, 1); return NF_DROP; + } + } if (secmark_active) if (avc_has_perm(peer_sid, skb->secmark, diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h index 487a7d81fe20..d4e3ac8a7fbf 100644 --- a/security/selinux/include/netlabel.h +++ b/security/selinux/include/netlabel.h @@ -39,6 +39,8 @@ #ifdef CONFIG_NETLABEL void selinux_netlbl_cache_invalidate(void); +void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway); + void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec, int family); @@ -63,6 +65,13 @@ static inline void selinux_netlbl_cache_invalidate(void) return; } +static inline void selinux_netlbl_err(struct sk_buff *skb, + int error, + int gateway) +{ + return; +} + static inline void selinux_netlbl_sk_security_reset( struct sk_security_struct *ssec, int family) diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index b9ce5fcf3432..4053f7fc95fb 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -107,6 +107,24 @@ void selinux_netlbl_cache_invalidate(void) netlbl_cache_invalidate(); } +/** + * selinux_netlbl_err - Handle a NetLabel packet error + * @skb: the packet + * @error: the error code + * @gateway: true if host is acting as a gateway, false otherwise + * + * Description: + * When a packet is dropped due to a call to avc_has_perm() pass the error + * code to the NetLabel subsystem so any protocol specific processing can be + * done. This is safe to call even if you are unsure if NetLabel labeling is + * present on the packet, NetLabel is smart enough to only act when it should. + * + */ +void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway) +{ + netlbl_skbuff_err(skb, error, gateway); +} + /** * selinux_netlbl_sk_security_reset - Reset the NetLabel fields * @ssec: the sk_security_struct @@ -289,7 +307,7 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, return 0; if (nlbl_sid != SECINITSID_UNLABELED) - netlbl_skbuff_err(skb, rc); + netlbl_skbuff_err(skb, rc, 0); return rc; } -- GitLab From a8134296ba9940b5b271d908666e532d34430a3c Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:31 -0400 Subject: [PATCH 3447/6244] smack: Fix missing calls to netlbl_skbuff_err() Smack needs to call netlbl_skbuff_err() to let NetLabel do the necessary protocol specific error handling. Signed-off-by: Paul Moore Acked-by: Casey Schaufler --- security/smack/smack_lsm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 87d75417ea93..6e2dc0bab70d 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -2179,7 +2179,10 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) * This is the simplist possible security model * for networking. */ - return smk_access(smack, ssp->smk_in, MAY_WRITE); + rc = smk_access(smack, ssp->smk_in, MAY_WRITE); + if (rc != 0) + netlbl_skbuff_err(skb, rc, 0); + return rc; } /** -- GitLab From b1edeb102397546438ab4624489c6ccd7b410d97 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:31 -0400 Subject: [PATCH 3448/6244] netlabel: Replace protocol/NetLabel linking with refrerence counts NetLabel has always had a list of backpointers in the CIPSO DOI definition structure which pointed to the NetLabel LSM domain mapping structures which referenced the CIPSO DOI struct. The rationale for this was that when an administrator removed a CIPSO DOI from the system all of the associated NetLabel LSM domain mappings should be removed as well; a list of backpointers made this a simple operation. Unfortunately, while the backpointers did make the removal easier they were a bit of a mess from an implementation point of view which was making further development difficult. Since the removal of a CIPSO DOI is a realtively rare event it seems to make sense to remove this backpointer list as the optimization was hurting us more then it was helping. However, we still need to be able to track when a CIPSO DOI definition is being used so replace the backpointer list with a reference count. In order to preserve the current functionality of removing the associated LSM domain mappings when a CIPSO DOI is removed we walk the LSM domain mapping table, removing the relevant entries. Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/cipso_ipv4.h | 21 +-- net/ipv4/cipso_ipv4.c | 235 ++++++++++++----------------- net/netlabel/netlabel_cipso_v4.c | 77 ++++++---- net/netlabel/netlabel_domainhash.c | 95 ++++++------ net/netlabel/netlabel_domainhash.h | 2 + net/netlabel/netlabel_kapi.c | 43 +++--- net/netlabel/netlabel_mgmt.c | 24 +-- security/smack/smackfs.c | 4 +- 8 files changed, 235 insertions(+), 266 deletions(-) diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index a6bb94530cfd..5fe6556fb3c5 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h @@ -40,6 +40,7 @@ #include #include #include +#include /* known doi values */ #define CIPSO_V4_DOI_UNKNOWN 0x00000000 @@ -79,10 +80,9 @@ struct cipso_v4_doi { } map; u8 tags[CIPSO_V4_TAG_MAXCNT]; - u32 valid; + atomic_t refcount; struct list_head list; struct rcu_head rcu; - struct list_head dom_list; }; /* Standard CIPSO mapping table */ @@ -128,25 +128,26 @@ extern int cipso_v4_rbm_strictvalid; #ifdef CONFIG_NETLABEL int cipso_v4_doi_add(struct cipso_v4_doi *doi_def); -int cipso_v4_doi_remove(u32 doi, - struct netlbl_audit *audit_info, - void (*callback) (struct rcu_head * head)); +void cipso_v4_doi_free(struct cipso_v4_doi *doi_def); +int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info); struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi); +void cipso_v4_doi_putdef(struct cipso_v4_doi *doi_def); int cipso_v4_doi_walk(u32 *skip_cnt, int (*callback) (struct cipso_v4_doi *doi_def, void *arg), void *cb_arg); -int cipso_v4_doi_domhsh_add(struct cipso_v4_doi *doi_def, const char *domain); -int cipso_v4_doi_domhsh_remove(struct cipso_v4_doi *doi_def, - const char *domain); #else static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) { return -ENOSYS; } +static inline void cipso_v4_doi_free(struct cipso_v4_doi *doi_def) +{ + return; +} + static inline int cipso_v4_doi_remove(u32 doi, - struct netlbl_audit *audit_info, - void (*callback) (struct rcu_head * head)) + struct netlbl_audit *audit_info) { return 0; } diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 2c0e4572cc90..bf87eddfec30 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -47,17 +47,7 @@ #include #include -struct cipso_v4_domhsh_entry { - char *domain; - u32 valid; - struct list_head list; - struct rcu_head rcu; -}; - /* List of available DOI definitions */ -/* XXX - Updates should be minimal so having a single lock for the - * cipso_v4_doi_list and the cipso_v4_doi_list->dom_list should be - * okay. */ /* XXX - This currently assumes a minimal number of different DOIs in use, * if in practice there are a lot of different DOIs this list should * probably be turned into a hash table or something similar so we @@ -193,25 +183,6 @@ static void cipso_v4_bitmap_setbit(unsigned char *bitmap, bitmap[byte_spot] &= ~bitmask; } -/** - * cipso_v4_doi_domhsh_free - Frees a domain list entry - * @entry: the entry's RCU field - * - * Description: - * This function is designed to be used as a callback to the call_rcu() - * function so that the memory allocated to a domain list entry can be released - * safely. - * - */ -static void cipso_v4_doi_domhsh_free(struct rcu_head *entry) -{ - struct cipso_v4_domhsh_entry *ptr; - - ptr = container_of(entry, struct cipso_v4_domhsh_entry, rcu); - kfree(ptr->domain); - kfree(ptr); -} - /** * cipso_v4_cache_entry_free - Frees a cache entry * @entry: the entry to free @@ -457,7 +428,7 @@ static struct cipso_v4_doi *cipso_v4_doi_search(u32 doi) struct cipso_v4_doi *iter; list_for_each_entry_rcu(iter, &cipso_v4_doi_list, list) - if (iter->doi == doi && iter->valid) + if (iter->doi == doi && atomic_read(&iter->refcount)) return iter; return NULL; } @@ -501,9 +472,8 @@ int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) } } - doi_def->valid = 1; + atomic_set(&doi_def->refcount, 1); INIT_RCU_HEAD(&doi_def->rcu); - INIT_LIST_HEAD(&doi_def->dom_list); spin_lock(&cipso_v4_doi_list_lock); if (cipso_v4_doi_search(doi_def->doi) != NULL) @@ -518,60 +488,130 @@ doi_add_failure: return -EEXIST; } +/** + * cipso_v4_doi_free - Frees a DOI definition + * @entry: the entry's RCU field + * + * Description: + * This function frees all of the memory associated with a DOI definition. + * + */ +void cipso_v4_doi_free(struct cipso_v4_doi *doi_def) +{ + if (doi_def == NULL) + return; + + switch (doi_def->type) { + case CIPSO_V4_MAP_STD: + kfree(doi_def->map.std->lvl.cipso); + kfree(doi_def->map.std->lvl.local); + kfree(doi_def->map.std->cat.cipso); + kfree(doi_def->map.std->cat.local); + break; + } + kfree(doi_def); +} + +/** + * cipso_v4_doi_free_rcu - Frees a DOI definition via the RCU pointer + * @entry: the entry's RCU field + * + * Description: + * This function is designed to be used as a callback to the call_rcu() + * function so that the memory allocated to the DOI definition can be released + * safely. + * + */ +static void cipso_v4_doi_free_rcu(struct rcu_head *entry) +{ + struct cipso_v4_doi *doi_def; + + doi_def = container_of(entry, struct cipso_v4_doi, rcu); + cipso_v4_doi_free(doi_def); +} + /** * cipso_v4_doi_remove - Remove an existing DOI from the CIPSO protocol engine * @doi: the DOI value * @audit_secid: the LSM secid to use in the audit message - * @callback: the DOI cleanup/free callback * * Description: - * Removes a DOI definition from the CIPSO engine, @callback is called to - * free any memory. The NetLabel routines will be called to release their own - * LSM domain mappings as well as our own domain list. Returns zero on - * success and negative values on failure. + * Removes a DOI definition from the CIPSO engine. The NetLabel routines will + * be called to release their own LSM domain mappings as well as our own + * domain list. Returns zero on success and negative values on failure. * */ -int cipso_v4_doi_remove(u32 doi, - struct netlbl_audit *audit_info, - void (*callback) (struct rcu_head * head)) +int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info) { struct cipso_v4_doi *doi_def; - struct cipso_v4_domhsh_entry *dom_iter; spin_lock(&cipso_v4_doi_list_lock); doi_def = cipso_v4_doi_search(doi); - if (doi_def != NULL) { - doi_def->valid = 0; - list_del_rcu(&doi_def->list); + if (doi_def == NULL) { spin_unlock(&cipso_v4_doi_list_lock); - rcu_read_lock(); - list_for_each_entry_rcu(dom_iter, &doi_def->dom_list, list) - if (dom_iter->valid) - netlbl_cfg_map_del(dom_iter->domain, - audit_info); - rcu_read_unlock(); - cipso_v4_cache_invalidate(); - call_rcu(&doi_def->rcu, callback); - return 0; + return -ENOENT; + } + if (!atomic_dec_and_test(&doi_def->refcount)) { + spin_unlock(&cipso_v4_doi_list_lock); + return -EBUSY; } + list_del_rcu(&doi_def->list); spin_unlock(&cipso_v4_doi_list_lock); - return -ENOENT; + cipso_v4_cache_invalidate(); + call_rcu(&doi_def->rcu, cipso_v4_doi_free_rcu); + + return 0; } /** - * cipso_v4_doi_getdef - Returns a pointer to a valid DOI definition + * cipso_v4_doi_getdef - Returns a reference to a valid DOI definition * @doi: the DOI value * * Description: * Searches for a valid DOI definition and if one is found it is returned to * the caller. Otherwise NULL is returned. The caller must ensure that - * rcu_read_lock() is held while accessing the returned definition. + * rcu_read_lock() is held while accessing the returned definition and the DOI + * definition reference count is decremented when the caller is done. * */ struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi) { - return cipso_v4_doi_search(doi); + struct cipso_v4_doi *doi_def; + + rcu_read_lock(); + doi_def = cipso_v4_doi_search(doi); + if (doi_def == NULL) + goto doi_getdef_return; + if (!atomic_inc_not_zero(&doi_def->refcount)) + doi_def = NULL; + +doi_getdef_return: + rcu_read_unlock(); + return doi_def; +} + +/** + * cipso_v4_doi_putdef - Releases a reference for the given DOI definition + * @doi_def: the DOI definition + * + * Description: + * Releases a DOI definition reference obtained from cipso_v4_doi_getdef(). + * + */ +void cipso_v4_doi_putdef(struct cipso_v4_doi *doi_def) +{ + if (doi_def == NULL) + return; + + if (!atomic_dec_and_test(&doi_def->refcount)) + return; + spin_lock(&cipso_v4_doi_list_lock); + list_del_rcu(&doi_def->list); + spin_unlock(&cipso_v4_doi_list_lock); + + cipso_v4_cache_invalidate(); + call_rcu(&doi_def->rcu, cipso_v4_doi_free_rcu); } /** @@ -597,7 +637,7 @@ int cipso_v4_doi_walk(u32 *skip_cnt, rcu_read_lock(); list_for_each_entry_rcu(iter_doi, &cipso_v4_doi_list, list) - if (iter_doi->valid) { + if (atomic_read(&iter_doi->refcount) > 0) { if (doi_cnt++ < *skip_cnt) continue; ret_val = callback(iter_doi, cb_arg); @@ -613,85 +653,6 @@ doi_walk_return: return ret_val; } -/** - * cipso_v4_doi_domhsh_add - Adds a domain entry to a DOI definition - * @doi_def: the DOI definition - * @domain: the domain to add - * - * Description: - * Adds the @domain to the DOI specified by @doi_def, this function - * should only be called by external functions (i.e. NetLabel). This function - * does allocate memory. Returns zero on success, negative values on failure. - * - */ -int cipso_v4_doi_domhsh_add(struct cipso_v4_doi *doi_def, const char *domain) -{ - struct cipso_v4_domhsh_entry *iter; - struct cipso_v4_domhsh_entry *new_dom; - - new_dom = kzalloc(sizeof(*new_dom), GFP_KERNEL); - if (new_dom == NULL) - return -ENOMEM; - if (domain) { - new_dom->domain = kstrdup(domain, GFP_KERNEL); - if (new_dom->domain == NULL) { - kfree(new_dom); - return -ENOMEM; - } - } - new_dom->valid = 1; - INIT_RCU_HEAD(&new_dom->rcu); - - spin_lock(&cipso_v4_doi_list_lock); - list_for_each_entry(iter, &doi_def->dom_list, list) - if (iter->valid && - ((domain != NULL && iter->domain != NULL && - strcmp(iter->domain, domain) == 0) || - (domain == NULL && iter->domain == NULL))) { - spin_unlock(&cipso_v4_doi_list_lock); - kfree(new_dom->domain); - kfree(new_dom); - return -EEXIST; - } - list_add_tail_rcu(&new_dom->list, &doi_def->dom_list); - spin_unlock(&cipso_v4_doi_list_lock); - - return 0; -} - -/** - * cipso_v4_doi_domhsh_remove - Removes a domain entry from a DOI definition - * @doi_def: the DOI definition - * @domain: the domain to remove - * - * Description: - * Removes the @domain from the DOI specified by @doi_def, this function - * should only be called by external functions (i.e. NetLabel). Returns zero - * on success and negative values on error. - * - */ -int cipso_v4_doi_domhsh_remove(struct cipso_v4_doi *doi_def, - const char *domain) -{ - struct cipso_v4_domhsh_entry *iter; - - spin_lock(&cipso_v4_doi_list_lock); - list_for_each_entry(iter, &doi_def->dom_list, list) - if (iter->valid && - ((domain != NULL && iter->domain != NULL && - strcmp(iter->domain, domain) == 0) || - (domain == NULL && iter->domain == NULL))) { - iter->valid = 0; - list_del_rcu(&iter->list); - spin_unlock(&cipso_v4_doi_list_lock); - call_rcu(&iter->rcu, cipso_v4_doi_domhsh_free); - return 0; - } - spin_unlock(&cipso_v4_doi_list_lock); - - return -ENOENT; -} - /* * Label Mapping Functions */ diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index aaf50032b3ac..5c4f60bbc82d 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -43,6 +43,7 @@ #include "netlabel_user.h" #include "netlabel_cipso_v4.h" #include "netlabel_mgmt.h" +#include "netlabel_domainhash.h" /* Argument struct for cipso_v4_doi_walk() */ struct netlbl_cipsov4_doiwalk_arg { @@ -51,6 +52,12 @@ struct netlbl_cipsov4_doiwalk_arg { u32 seq; }; +/* Argument struct for netlbl_domhsh_walk() */ +struct netlbl_domhsh_walk_arg { + struct netlbl_audit *audit_info; + u32 doi; +}; + /* NetLabel Generic NETLINK CIPSOv4 family */ static struct genl_family netlbl_cipsov4_gnl_family = { .id = GENL_ID_GENERATE, @@ -80,32 +87,6 @@ static const struct nla_policy netlbl_cipsov4_genl_policy[NLBL_CIPSOV4_A_MAX + 1 * Helper Functions */ -/** - * netlbl_cipsov4_doi_free - Frees a CIPSO V4 DOI definition - * @entry: the entry's RCU field - * - * Description: - * This function is designed to be used as a callback to the call_rcu() - * function so that the memory allocated to the DOI definition can be released - * safely. - * - */ -void netlbl_cipsov4_doi_free(struct rcu_head *entry) -{ - struct cipso_v4_doi *ptr; - - ptr = container_of(entry, struct cipso_v4_doi, rcu); - switch (ptr->type) { - case CIPSO_V4_MAP_STD: - kfree(ptr->map.std->lvl.cipso); - kfree(ptr->map.std->lvl.local); - kfree(ptr->map.std->cat.cipso); - kfree(ptr->map.std->cat.local); - break; - } - kfree(ptr); -} - /** * netlbl_cipsov4_add_common - Parse the common sections of a ADD message * @info: the Generic NETLINK info block @@ -342,7 +323,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info) add_std_failure: if (doi_def) - netlbl_cipsov4_doi_free(&doi_def->rcu); + cipso_v4_doi_free(doi_def); return ret_val; } @@ -379,7 +360,7 @@ static int netlbl_cipsov4_add_pass(struct genl_info *info) return 0; add_pass_failure: - netlbl_cipsov4_doi_free(&doi_def->rcu); + cipso_v4_doi_free(doi_def); return ret_val; } @@ -667,6 +648,29 @@ static int netlbl_cipsov4_listall(struct sk_buff *skb, return skb->len; } +/** + * netlbl_cipsov4_remove_cb - netlbl_cipsov4_remove() callback for REMOVE + * @entry: LSM domain mapping entry + * @arg: the netlbl_domhsh_walk_arg structure + * + * Description: + * This function is intended for use by netlbl_cipsov4_remove() as the callback + * for the netlbl_domhsh_walk() function; it removes LSM domain map entries + * which are associated with the CIPSO DOI specified in @arg. Returns zero on + * success, negative values on failure. + * + */ +static int netlbl_cipsov4_remove_cb(struct netlbl_dom_map *entry, void *arg) +{ + struct netlbl_domhsh_walk_arg *cb_arg = arg; + + if (entry->type == NETLBL_NLTYPE_CIPSOV4 && + entry->type_def.cipsov4->doi == cb_arg->doi) + return netlbl_domhsh_remove_entry(entry, cb_arg->audit_info); + + return 0; +} + /** * netlbl_cipsov4_remove - Handle a REMOVE message * @skb: the NETLINK buffer @@ -681,8 +685,11 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) { int ret_val = -EINVAL; u32 doi = 0; + struct netlbl_domhsh_walk_arg cb_arg; struct audit_buffer *audit_buf; struct netlbl_audit audit_info; + u32 skip_bkt = 0; + u32 skip_chain = 0; if (!info->attrs[NLBL_CIPSOV4_A_DOI]) return -EINVAL; @@ -690,11 +697,15 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); netlbl_netlink_auditinfo(skb, &audit_info); - ret_val = cipso_v4_doi_remove(doi, - &audit_info, - netlbl_cipsov4_doi_free); - if (ret_val == 0) - atomic_dec(&netlabel_mgmt_protocount); + cb_arg.doi = doi; + cb_arg.audit_info = &audit_info; + ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain, + netlbl_cipsov4_remove_cb, &cb_arg); + if (ret_val == 0 || ret_val == -ENOENT) { + ret_val = cipso_v4_doi_remove(doi, &audit_info); + if (ret_val == 0) + atomic_dec(&netlabel_mgmt_protocount); + } audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_DEL, &audit_info); diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index dc42206c4312..0243f0c57b41 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -217,20 +217,6 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, u32 bkt; struct audit_buffer *audit_buf; - switch (entry->type) { - case NETLBL_NLTYPE_UNLABELED: - ret_val = 0; - break; - case NETLBL_NLTYPE_CIPSOV4: - ret_val = cipso_v4_doi_domhsh_add(entry->type_def.cipsov4, - entry->domain); - break; - default: - return -EINVAL; - } - if (ret_val != 0) - return ret_val; - entry->valid = 1; INIT_RCU_HEAD(&entry->rcu); @@ -271,16 +257,6 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, } rcu_read_unlock(); - if (ret_val != 0) { - switch (entry->type) { - case NETLBL_NLTYPE_CIPSOV4: - if (cipso_v4_doi_domhsh_remove(entry->type_def.cipsov4, - entry->domain) != 0) - BUG(); - break; - } - } - return ret_val; } @@ -302,35 +278,26 @@ int netlbl_domhsh_add_default(struct netlbl_dom_map *entry, } /** - * netlbl_domhsh_remove - Removes an entry from the domain hash table - * @domain: the domain to remove + * netlbl_domhsh_remove_entry - Removes a given entry from the domain table + * @entry: the entry to remove * @audit_info: NetLabel audit information * * Description: * Removes an entry from the domain hash table and handles any updates to the - * lower level protocol handler (i.e. CIPSO). Returns zero on success, - * negative on failure. + * lower level protocol handler (i.e. CIPSO). Caller is responsible for + * ensuring that the RCU read lock is held. Returns zero on success, negative + * on failure. * */ -int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info) +int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, + struct netlbl_audit *audit_info) { - int ret_val = -ENOENT; - struct netlbl_dom_map *entry; + int ret_val = 0; struct audit_buffer *audit_buf; - rcu_read_lock(); - if (domain) - entry = netlbl_domhsh_search(domain); - else - entry = netlbl_domhsh_search_def(domain); if (entry == NULL) - goto remove_return; - switch (entry->type) { - case NETLBL_NLTYPE_CIPSOV4: - cipso_v4_doi_domhsh_remove(entry->type_def.cipsov4, - entry->domain); - break; - } + return -ENOENT; + spin_lock(&netlbl_domhsh_lock); if (entry->valid) { entry->valid = 0; @@ -338,8 +305,8 @@ int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info) list_del_rcu(&entry->list); else rcu_assign_pointer(netlbl_domhsh_def, NULL); - ret_val = 0; - } + } else + ret_val = -ENOENT; spin_unlock(&netlbl_domhsh_lock); audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_DEL, audit_info); @@ -351,10 +318,42 @@ int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info) audit_log_end(audit_buf); } -remove_return: - rcu_read_unlock(); - if (ret_val == 0) + if (ret_val == 0) { + switch (entry->type) { + case NETLBL_NLTYPE_CIPSOV4: + cipso_v4_doi_putdef(entry->type_def.cipsov4); + break; + } call_rcu(&entry->rcu, netlbl_domhsh_free_entry); + } + + return ret_val; +} + +/** + * netlbl_domhsh_remove - Removes an entry from the domain hash table + * @domain: the domain to remove + * @audit_info: NetLabel audit information + * + * Description: + * Removes an entry from the domain hash table and handles any updates to the + * lower level protocol handler (i.e. CIPSO). Returns zero on success, + * negative on failure. + * + */ +int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info) +{ + int ret_val; + struct netlbl_dom_map *entry; + + rcu_read_lock(); + if (domain) + entry = netlbl_domhsh_search(domain); + else + entry = netlbl_domhsh_search_def(domain); + ret_val = netlbl_domhsh_remove_entry(entry, audit_info); + rcu_read_unlock(); + return ret_val; } diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h index 8220990ceb96..afcc41a7432d 100644 --- a/net/netlabel/netlabel_domainhash.h +++ b/net/netlabel/netlabel_domainhash.h @@ -61,6 +61,8 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry, struct netlbl_audit *audit_info); int netlbl_domhsh_add_default(struct netlbl_dom_map *entry, struct netlbl_audit *audit_info); +int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, + struct netlbl_audit *audit_info); int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info); int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info); struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain); diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 22faba620e4b..7d8ecea93914 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -121,10 +121,15 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, struct netlbl_audit *audit_info) { int ret_val = -ENOMEM; + u32 doi; + u32 doi_type; struct netlbl_dom_map *entry; const char *type_str; struct audit_buffer *audit_buf; + doi = doi_def->doi; + doi_type = doi_def->type; + entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) return -ENOMEM; @@ -133,32 +138,25 @@ int netlbl_cfg_cipsov4_add_map(struct cipso_v4_doi *doi_def, if (entry->domain == NULL) goto cfg_cipsov4_add_map_failure; } - entry->type = NETLBL_NLTYPE_CIPSOV4; - entry->type_def.cipsov4 = doi_def; - - /* Grab a RCU read lock here so nothing happens to the doi_def variable - * between adding it to the CIPSOv4 protocol engine and adding a - * domain mapping for it. */ - rcu_read_lock(); ret_val = cipso_v4_doi_add(doi_def); if (ret_val != 0) - goto cfg_cipsov4_add_map_failure_unlock; + goto cfg_cipsov4_add_map_failure_remove_doi; + entry->type = NETLBL_NLTYPE_CIPSOV4; + entry->type_def.cipsov4 = cipso_v4_doi_getdef(doi); + if (entry->type_def.cipsov4 == NULL) { + ret_val = -ENOENT; + goto cfg_cipsov4_add_map_failure_remove_doi; + } ret_val = netlbl_domhsh_add(entry, audit_info); if (ret_val != 0) - goto cfg_cipsov4_add_map_failure_remove_doi; - rcu_read_unlock(); - - return 0; + goto cfg_cipsov4_add_map_failure_release_doi; -cfg_cipsov4_add_map_failure_remove_doi: - cipso_v4_doi_remove(doi_def->doi, audit_info, netlbl_cipsov4_doi_free); -cfg_cipsov4_add_map_failure_unlock: - rcu_read_unlock(); +cfg_cipsov4_add_map_return: audit_buf = netlbl_audit_start_common(AUDIT_MAC_CIPSOV4_ADD, audit_info); if (audit_buf != NULL) { - switch (doi_def->type) { + switch (doi_type) { case CIPSO_V4_MAP_STD: type_str = "std"; break; @@ -170,14 +168,21 @@ cfg_cipsov4_add_map_failure_unlock: } audit_log_format(audit_buf, " cipso_doi=%u cipso_type=%s res=%u", - doi_def->doi, type_str, ret_val == 0 ? 1 : 0); + doi, type_str, ret_val == 0 ? 1 : 0); audit_log_end(audit_buf); } + + return ret_val; + +cfg_cipsov4_add_map_failure_release_doi: + cipso_v4_doi_putdef(doi_def); +cfg_cipsov4_add_map_failure_remove_doi: + cipso_v4_doi_remove(doi, audit_info); cfg_cipsov4_add_map_failure: if (entry != NULL) kfree(entry->domain); kfree(entry); - return ret_val; + goto cfg_cipsov4_add_map_return; } /* diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index 44be5d5261f4..c4e18c7bc0c1 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -122,18 +122,12 @@ static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info) goto add_failure; tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CV4DOI]); - /* We should be holding a rcu_read_lock() here while we hold - * the result but since the entry will always be deleted when - * the CIPSO DOI is deleted we aren't going to keep the - * lock. */ - rcu_read_lock(); entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); - if (entry->type_def.cipsov4 == NULL) { - rcu_read_unlock(); + if (entry->type_def.cipsov4 == NULL) goto add_failure; - } ret_val = netlbl_domhsh_add(entry, &audit_info); - rcu_read_unlock(); + if (ret_val != 0) + cipso_v4_doi_putdef(entry->type_def.cipsov4); break; default: goto add_failure; @@ -294,18 +288,12 @@ static int netlbl_mgmt_adddef(struct sk_buff *skb, struct genl_info *info) goto adddef_failure; tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CV4DOI]); - /* We should be holding a rcu_read_lock() here while we hold - * the result but since the entry will always be deleted when - * the CIPSO DOI is deleted we aren't going to keep the - * lock. */ - rcu_read_lock(); entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); - if (entry->type_def.cipsov4 == NULL) { - rcu_read_unlock(); + if (entry->type_def.cipsov4 == NULL) goto adddef_failure; - } ret_val = netlbl_domhsh_add_default(entry, &audit_info); - rcu_read_unlock(); + if (ret_val != 0) + cipso_v4_doi_putdef(entry->type_def.cipsov4); break; default: goto adddef_failure; diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 271a835fbbe3..9733f8eb1a2a 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -343,9 +343,11 @@ static void smk_cipso_doi(void) doip->tags[rc] = CIPSO_V4_TAG_INVALID; rc = netlbl_cfg_cipsov4_add_map(doip, NULL, &audit_info); - if (rc != 0) + if (rc != 0) { printk(KERN_WARNING "%s:%d add rc = %d\n", __func__, __LINE__, rc); + kfree(doip); + } } /** -- GitLab From 61e1068219950c672ce979719ad2be3aadb00d7d Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:32 -0400 Subject: [PATCH 3449/6244] netlabel: Add a generic way to create ordered linked lists of network addrs Create an ordered IP address linked list mechanism similar to the core kernel's linked list construct. The idea behind this list functionality is to create an extensibile linked list ordered by IP address mask to ease the matching of network addresses. The linked list is ordered with larger address masks at the front of the list and shorter address masks at the end to facilitate overriding network entries with individual host or subnet entries. Signed-off-by: Paul Moore Reviewed-by: James Morris --- net/netlabel/Makefile | 3 +- net/netlabel/netlabel_addrlist.c | 258 ++++++++++++++++++++++ net/netlabel/netlabel_addrlist.h | 174 +++++++++++++++ net/netlabel/netlabel_unlabeled.c | 350 ++++++++++++------------------ 4 files changed, 569 insertions(+), 216 deletions(-) create mode 100644 net/netlabel/netlabel_addrlist.c create mode 100644 net/netlabel/netlabel_addrlist.h diff --git a/net/netlabel/Makefile b/net/netlabel/Makefile index 8af18c0a47d9..ea750e9df65f 100644 --- a/net/netlabel/Makefile +++ b/net/netlabel/Makefile @@ -5,7 +5,8 @@ # # base objects -obj-y := netlabel_user.o netlabel_kapi.o netlabel_domainhash.o +obj-y := netlabel_user.o netlabel_kapi.o +obj-y += netlabel_domainhash.o netlabel_addrlist.o # management objects obj-y += netlabel_mgmt.o diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c new file mode 100644 index 000000000000..dd928aa52db1 --- /dev/null +++ b/net/netlabel/netlabel_addrlist.c @@ -0,0 +1,258 @@ +/* + * NetLabel Network Address Lists + * + * This file contains network address list functions used to manage ordered + * lists of network addresses for use by the NetLabel subsystem. The NetLabel + * system manages static and dynamic label mappings for network protocols such + * as CIPSO and RIPSO. + * + * Author: Paul Moore + * + */ + +/* + * (c) Copyright Hewlett-Packard Development Company, L.P., 2008 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "netlabel_addrlist.h" + +/* + * Address List Functions + */ + +/** + * netlbl_af4list_search - Search for a matching IPv4 address entry + * @addr: IPv4 address + * @head: the list head + * + * Description: + * Searches the IPv4 address list given by @head. If a matching address entry + * is found it is returned, otherwise NULL is returned. The caller is + * responsible for calling the rcu_read_[un]lock() functions. + * + */ +struct netlbl_af4list *netlbl_af4list_search(__be32 addr, + struct list_head *head) +{ + struct netlbl_af4list *iter; + + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && (addr & iter->mask) == iter->addr) + return iter; + + return NULL; +} + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +/** + * netlbl_af6list_search - Search for a matching IPv6 address entry + * @addr: IPv6 address + * @head: the list head + * + * Description: + * Searches the IPv6 address list given by @head. If a matching address entry + * is found it is returned, otherwise NULL is returned. The caller is + * responsible for calling the rcu_read_[un]lock() functions. + * + */ +struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr, + struct list_head *head) +{ + struct netlbl_af6list *iter; + + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && + ipv6_masked_addr_cmp(&iter->addr, &iter->mask, addr) == 0) + return iter; + + return NULL; +} +#endif /* IPv6 */ + +/** + * netlbl_af4list_add - Add a new IPv4 address entry to a list + * @entry: address entry + * @head: the list head + * + * Description: + * Add a new address entry to the list pointed to by @head. On success zero is + * returned, otherwise a negative value is returned. The caller is responsible + * for calling the necessary locking functions. + * + */ +int netlbl_af4list_add(struct netlbl_af4list *entry, struct list_head *head) +{ + struct netlbl_af4list *iter; + + iter = netlbl_af4list_search(entry->addr, head); + if (iter != NULL && + iter->addr == entry->addr && iter->mask == entry->mask) + return -EEXIST; + + /* in order to speed up address searches through the list (the common + * case) we need to keep the list in order based on the size of the + * address mask such that the entry with the widest mask (smallest + * numerical value) appears first in the list */ + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && + ntohl(entry->mask) > ntohl(iter->mask)) { + __list_add_rcu(&entry->list, + iter->list.prev, + &iter->list); + return 0; + } + list_add_tail_rcu(&entry->list, head); + return 0; +} + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +/** + * netlbl_af6list_add - Add a new IPv6 address entry to a list + * @entry: address entry + * @head: the list head + * + * Description: + * Add a new address entry to the list pointed to by @head. On success zero is + * returned, otherwise a negative value is returned. The caller is responsible + * for calling the necessary locking functions. + * + */ +int netlbl_af6list_add(struct netlbl_af6list *entry, struct list_head *head) +{ + struct netlbl_af6list *iter; + + iter = netlbl_af6list_search(&entry->addr, head); + if (iter != NULL && + ipv6_addr_equal(&iter->addr, &entry->addr) && + ipv6_addr_equal(&iter->mask, &entry->mask)) + return -EEXIST; + + /* in order to speed up address searches through the list (the common + * case) we need to keep the list in order based on the size of the + * address mask such that the entry with the widest mask (smallest + * numerical value) appears first in the list */ + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && + ipv6_addr_cmp(&entry->mask, &iter->mask) > 0) { + __list_add_rcu(&entry->list, + iter->list.prev, + &iter->list); + return 0; + } + list_add_tail_rcu(&entry->list, head); + return 0; +} +#endif /* IPv6 */ + +/** + * netlbl_af4list_remove_entry - Remove an IPv4 address entry + * @entry: address entry + * + * Description: + * Remove the specified IP address entry. The caller is responsible for + * calling the necessary locking functions. + * + */ +void netlbl_af4list_remove_entry(struct netlbl_af4list *entry) +{ + entry->valid = 0; + list_del_rcu(&entry->list); +} + +/** + * netlbl_af4list_remove - Remove an IPv4 address entry + * @addr: IP address + * @mask: IP address mask + * @head: the list head + * + * Description: + * Remove an IP address entry from the list pointed to by @head. Returns the + * entry on success, NULL on failure. The caller is responsible for calling + * the necessary locking functions. + * + */ +struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask, + struct list_head *head) +{ + struct netlbl_af4list *entry; + + entry = netlbl_af4list_search(addr, head); + if (entry != NULL && entry->addr == addr && entry->mask == mask) { + netlbl_af4list_remove_entry(entry); + return entry; + } + + return NULL; +} + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +/** + * netlbl_af6list_remove_entry - Remove an IPv6 address entry + * @entry: address entry + * + * Description: + * Remove the specified IP address entry. The caller is responsible for + * calling the necessary locking functions. + * + */ +void netlbl_af6list_remove_entry(struct netlbl_af6list *entry) +{ + entry->valid = 0; + list_del_rcu(&entry->list); +} + +/** + * netlbl_af6list_remove - Remove an IPv6 address entry + * @addr: IP address + * @mask: IP address mask + * @head: the list head + * + * Description: + * Remove an IP address entry from the list pointed to by @head. Returns the + * entry on success, NULL on failure. The caller is responsible for calling + * the necessary locking functions. + * + */ +struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr, + const struct in6_addr *mask, + struct list_head *head) +{ + struct netlbl_af6list *entry; + + entry = netlbl_af6list_search(addr, head); + if (entry != NULL && + ipv6_addr_equal(&entry->addr, addr) && + ipv6_addr_equal(&entry->mask, mask)) { + netlbl_af6list_remove_entry(entry); + return entry; + } + + return NULL; +} +#endif /* IPv6 */ diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h new file mode 100644 index 000000000000..0c41df057fa8 --- /dev/null +++ b/net/netlabel/netlabel_addrlist.h @@ -0,0 +1,174 @@ +/* + * NetLabel Network Address Lists + * + * This file contains network address list functions used to manage ordered + * lists of network addresses for use by the NetLabel subsystem. The NetLabel + * system manages static and dynamic label mappings for network protocols such + * as CIPSO and RIPSO. + * + * Author: Paul Moore + * + */ + +/* + * (c) Copyright Hewlett-Packard Development Company, L.P., 2008 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef _NETLABEL_ADDRLIST_H +#define _NETLABEL_ADDRLIST_H + +#include +#include +#include +#include + +/** + * struct netlbl_af4list - NetLabel IPv4 address list + * @addr: IPv4 address + * @mask: IPv4 address mask + * @valid: valid flag + * @list: list structure, used internally + */ +struct netlbl_af4list { + __be32 addr; + __be32 mask; + + u32 valid; + struct list_head list; +}; + +/** + * struct netlbl_af6list - NetLabel IPv6 address list + * @addr: IPv6 address + * @mask: IPv6 address mask + * @valid: valid flag + * @list: list structure, used internally + */ +struct netlbl_af6list { + struct in6_addr addr; + struct in6_addr mask; + + u32 valid; + struct list_head list; +}; + +#define __af4list_entry(ptr) container_of(ptr, struct netlbl_af4list, list) + +static inline struct netlbl_af4list *__af4list_valid(struct list_head *s, + struct list_head *h) +{ + struct list_head *i = s; + struct netlbl_af4list *n = __af4list_entry(s); + while (i != h && !n->valid) { + i = i->next; + n = __af4list_entry(i); + } + return n; +} + +static inline struct netlbl_af4list *__af4list_valid_rcu(struct list_head *s, + struct list_head *h) +{ + struct list_head *i = s; + struct netlbl_af4list *n = __af4list_entry(s); + while (i != h && !n->valid) { + i = rcu_dereference(i->next); + n = __af4list_entry(i); + } + return n; +} + +#define netlbl_af4list_foreach(iter, head) \ + for (iter = __af4list_valid((head)->next, head); \ + prefetch(iter->list.next), &iter->list != (head); \ + iter = __af4list_valid(iter->list.next, head)) + +#define netlbl_af4list_foreach_rcu(iter, head) \ + for (iter = __af4list_valid_rcu((head)->next, head); \ + prefetch(iter->list.next), &iter->list != (head); \ + iter = __af4list_valid_rcu(iter->list.next, head)) + +#define netlbl_af4list_foreach_safe(iter, tmp, head) \ + for (iter = __af4list_valid((head)->next, head), \ + tmp = __af4list_valid(iter->list.next, head); \ + &iter->list != (head); \ + iter = tmp, tmp = __af4list_valid(iter->list.next, head)) + +int netlbl_af4list_add(struct netlbl_af4list *entry, + struct list_head *head); +struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask, + struct list_head *head); +void netlbl_af4list_remove_entry(struct netlbl_af4list *entry); +struct netlbl_af4list *netlbl_af4list_search(__be32 addr, + struct list_head *head); + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + +#define __af6list_entry(ptr) container_of(ptr, struct netlbl_af6list, list) + +static inline struct netlbl_af6list *__af6list_valid(struct list_head *s, + struct list_head *h) +{ + struct list_head *i = s; + struct netlbl_af6list *n = __af6list_entry(s); + while (i != h && !n->valid) { + i = i->next; + n = __af6list_entry(i); + } + return n; +} + +static inline struct netlbl_af6list *__af6list_valid_rcu(struct list_head *s, + struct list_head *h) +{ + struct list_head *i = s; + struct netlbl_af6list *n = __af6list_entry(s); + while (i != h && !n->valid) { + i = rcu_dereference(i->next); + n = __af6list_entry(i); + } + return n; +} + +#define netlbl_af6list_foreach(iter, head) \ + for (iter = __af6list_valid((head)->next, head); \ + prefetch(iter->list.next), &iter->list != (head); \ + iter = __af6list_valid(iter->list.next, head)) + +#define netlbl_af6list_foreach_rcu(iter, head) \ + for (iter = __af6list_valid_rcu((head)->next, head); \ + prefetch(iter->list.next), &iter->list != (head); \ + iter = __af6list_valid_rcu(iter->list.next, head)) + +#define netlbl_af6list_foreach_safe(iter, tmp, head) \ + for (iter = __af6list_valid((head)->next, head), \ + tmp = __af6list_valid(iter->list.next, head); \ + &iter->list != (head); \ + iter = tmp, tmp = __af6list_valid(iter->list.next, head)) + +int netlbl_af6list_add(struct netlbl_af6list *entry, + struct list_head *head); +struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr, + const struct in6_addr *mask, + struct list_head *head); +void netlbl_af6list_remove_entry(struct netlbl_af6list *entry); +struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr, + struct list_head *head); +#endif /* IPV6 */ + +#endif diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index cc105a10e3f8..ab8131a8e489 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -10,7 +10,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2007 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -54,6 +54,7 @@ #include #include "netlabel_user.h" +#include "netlabel_addrlist.h" #include "netlabel_domainhash.h" #include "netlabel_unlabeled.h" #include "netlabel_mgmt.h" @@ -76,22 +77,20 @@ struct netlbl_unlhsh_tbl { struct list_head *tbl; u32 size; }; +#define netlbl_unlhsh_addr4_entry(iter) \ + container_of(iter, struct netlbl_unlhsh_addr4, list) struct netlbl_unlhsh_addr4 { - __be32 addr; - __be32 mask; u32 secid; - u32 valid; - struct list_head list; + struct netlbl_af4list list; struct rcu_head rcu; }; +#define netlbl_unlhsh_addr6_entry(iter) \ + container_of(iter, struct netlbl_unlhsh_addr6, list) struct netlbl_unlhsh_addr6 { - struct in6_addr addr; - struct in6_addr mask; u32 secid; - u32 valid; - struct list_head list; + struct netlbl_af6list list; struct rcu_head rcu; }; struct netlbl_unlhsh_iface { @@ -274,26 +273,28 @@ static void netlbl_unlhsh_free_addr6(struct rcu_head *entry) static void netlbl_unlhsh_free_iface(struct rcu_head *entry) { struct netlbl_unlhsh_iface *iface; - struct netlbl_unlhsh_addr4 *iter4; - struct netlbl_unlhsh_addr4 *tmp4; - struct netlbl_unlhsh_addr6 *iter6; - struct netlbl_unlhsh_addr6 *tmp6; + struct netlbl_af4list *iter4; + struct netlbl_af4list *tmp4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *iter6; + struct netlbl_af6list *tmp6; +#endif /* IPv6 */ iface = container_of(entry, struct netlbl_unlhsh_iface, rcu); /* no need for locks here since we are the only one with access to this * structure */ - list_for_each_entry_safe(iter4, tmp4, &iface->addr4_list, list) - if (iter4->valid) { - list_del_rcu(&iter4->list); - kfree(iter4); - } - list_for_each_entry_safe(iter6, tmp6, &iface->addr6_list, list) - if (iter6->valid) { - list_del_rcu(&iter6->list); - kfree(iter6); - } + netlbl_af4list_foreach_safe(iter4, tmp4, &iface->addr4_list) { + netlbl_af4list_remove_entry(iter4); + kfree(netlbl_unlhsh_addr4_entry(iter4)); + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_safe(iter6, tmp6, &iface->addr6_list) { + netlbl_af6list_remove_entry(iter6); + kfree(netlbl_unlhsh_addr6_entry(iter6)); + } +#endif /* IPv6 */ kfree(iface); } @@ -315,59 +316,6 @@ static u32 netlbl_unlhsh_hash(int ifindex) return ifindex & (rcu_dereference(netlbl_unlhsh)->size - 1); } -/** - * netlbl_unlhsh_search_addr4 - Search for a matching IPv4 address entry - * @addr: IPv4 address - * @iface: the network interface entry - * - * Description: - * Searches the IPv4 address list of the network interface specified by @iface. - * If a matching address entry is found it is returned, otherwise NULL is - * returned. The caller is responsible for calling the rcu_read_[un]lock() - * functions. - * - */ -static struct netlbl_unlhsh_addr4 *netlbl_unlhsh_search_addr4( - __be32 addr, - const struct netlbl_unlhsh_iface *iface) -{ - struct netlbl_unlhsh_addr4 *iter; - - list_for_each_entry_rcu(iter, &iface->addr4_list, list) - if (iter->valid && (addr & iter->mask) == iter->addr) - return iter; - - return NULL; -} - -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -/** - * netlbl_unlhsh_search_addr6 - Search for a matching IPv6 address entry - * @addr: IPv6 address - * @iface: the network interface entry - * - * Description: - * Searches the IPv6 address list of the network interface specified by @iface. - * If a matching address entry is found it is returned, otherwise NULL is - * returned. The caller is responsible for calling the rcu_read_[un]lock() - * functions. - * - */ -static struct netlbl_unlhsh_addr6 *netlbl_unlhsh_search_addr6( - const struct in6_addr *addr, - const struct netlbl_unlhsh_iface *iface) -{ - struct netlbl_unlhsh_addr6 *iter; - - list_for_each_entry_rcu(iter, &iface->addr6_list, list) - if (iter->valid && - ipv6_masked_addr_cmp(&iter->addr, &iter->mask, addr) == 0) - return iter; - - return NULL; -} -#endif /* IPv6 */ - /** * netlbl_unlhsh_search_iface - Search for a matching interface entry * @ifindex: the network interface @@ -439,43 +387,26 @@ static int netlbl_unlhsh_add_addr4(struct netlbl_unlhsh_iface *iface, const struct in_addr *mask, u32 secid) { + int ret_val; struct netlbl_unlhsh_addr4 *entry; - struct netlbl_unlhsh_addr4 *iter; entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) return -ENOMEM; - entry->addr = addr->s_addr & mask->s_addr; - entry->mask = mask->s_addr; - entry->secid = secid; - entry->valid = 1; + entry->list.addr = addr->s_addr & mask->s_addr; + entry->list.mask = mask->s_addr; + entry->list.valid = 1; INIT_RCU_HEAD(&entry->rcu); + entry->secid = secid; spin_lock(&netlbl_unlhsh_lock); - iter = netlbl_unlhsh_search_addr4(entry->addr, iface); - if (iter != NULL && - iter->addr == addr->s_addr && iter->mask == mask->s_addr) { - spin_unlock(&netlbl_unlhsh_lock); - kfree(entry); - return -EEXIST; - } - /* in order to speed up address searches through the list (the common - * case) we need to keep the list in order based on the size of the - * address mask such that the entry with the widest mask (smallest - * numerical value) appears first in the list */ - list_for_each_entry_rcu(iter, &iface->addr4_list, list) - if (iter->valid && - ntohl(entry->mask) > ntohl(iter->mask)) { - __list_add_rcu(&entry->list, - iter->list.prev, - &iter->list); - spin_unlock(&netlbl_unlhsh_lock); - return 0; - } - list_add_tail_rcu(&entry->list, &iface->addr4_list); + ret_val = netlbl_af4list_add(&entry->list, &iface->addr4_list); spin_unlock(&netlbl_unlhsh_lock); - return 0; + + if (ret_val != 0) + kfree(entry); + return ret_val; } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -498,47 +429,29 @@ static int netlbl_unlhsh_add_addr6(struct netlbl_unlhsh_iface *iface, const struct in6_addr *mask, u32 secid) { + int ret_val; struct netlbl_unlhsh_addr6 *entry; - struct netlbl_unlhsh_addr6 *iter; entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (entry == NULL) return -ENOMEM; - ipv6_addr_copy(&entry->addr, addr); - entry->addr.s6_addr32[0] &= mask->s6_addr32[0]; - entry->addr.s6_addr32[1] &= mask->s6_addr32[1]; - entry->addr.s6_addr32[2] &= mask->s6_addr32[2]; - entry->addr.s6_addr32[3] &= mask->s6_addr32[3]; - ipv6_addr_copy(&entry->mask, mask); - entry->secid = secid; - entry->valid = 1; + ipv6_addr_copy(&entry->list.addr, addr); + entry->list.addr.s6_addr32[0] &= mask->s6_addr32[0]; + entry->list.addr.s6_addr32[1] &= mask->s6_addr32[1]; + entry->list.addr.s6_addr32[2] &= mask->s6_addr32[2]; + entry->list.addr.s6_addr32[3] &= mask->s6_addr32[3]; + ipv6_addr_copy(&entry->list.mask, mask); + entry->list.valid = 1; INIT_RCU_HEAD(&entry->rcu); + entry->secid = secid; spin_lock(&netlbl_unlhsh_lock); - iter = netlbl_unlhsh_search_addr6(&entry->addr, iface); - if (iter != NULL && - (ipv6_addr_equal(&iter->addr, addr) && - ipv6_addr_equal(&iter->mask, mask))) { - spin_unlock(&netlbl_unlhsh_lock); - kfree(entry); - return -EEXIST; - } - /* in order to speed up address searches through the list (the common - * case) we need to keep the list in order based on the size of the - * address mask such that the entry with the widest mask (smallest - * numerical value) appears first in the list */ - list_for_each_entry_rcu(iter, &iface->addr6_list, list) - if (iter->valid && - ipv6_addr_cmp(&entry->mask, &iter->mask) > 0) { - __list_add_rcu(&entry->list, - iter->list.prev, - &iter->list); - spin_unlock(&netlbl_unlhsh_lock); - return 0; - } - list_add_tail_rcu(&entry->list, &iface->addr6_list); + ret_val = netlbl_af6list_add(&entry->list, &iface->addr6_list); spin_unlock(&netlbl_unlhsh_lock); + + if (ret_val != 0) + kfree(entry); return 0; } #endif /* IPv6 */ @@ -719,22 +632,21 @@ static int netlbl_unlhsh_remove_addr4(struct net *net, const struct in_addr *mask, struct netlbl_audit *audit_info) { - int ret_val = -ENOENT; + int ret_val = 0; + struct netlbl_af4list *list_entry; struct netlbl_unlhsh_addr4 *entry; - struct audit_buffer *audit_buf = NULL; + struct audit_buffer *audit_buf; struct net_device *dev; - char *secctx = NULL; + char *secctx; u32 secctx_len; spin_lock(&netlbl_unlhsh_lock); - entry = netlbl_unlhsh_search_addr4(addr->s_addr, iface); - if (entry != NULL && - entry->addr == addr->s_addr && entry->mask == mask->s_addr) { - entry->valid = 0; - list_del_rcu(&entry->list); - ret_val = 0; - } + list_entry = netlbl_af4list_remove(addr->s_addr, mask->s_addr, + &iface->addr4_list); spin_unlock(&netlbl_unlhsh_lock); + if (list_entry == NULL) + ret_val = -ENOENT; + entry = netlbl_unlhsh_addr4_entry(list_entry); audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, audit_info); @@ -742,12 +654,12 @@ static int netlbl_unlhsh_remove_addr4(struct net *net, dev = dev_get_by_index(net, iface->ifindex); netlbl_unlabel_audit_addr4(audit_buf, (dev != NULL ? dev->name : NULL), - entry->addr, entry->mask); + addr->s_addr, mask->s_addr); if (dev != NULL) dev_put(dev); - if (security_secid_to_secctx(entry->secid, - &secctx, - &secctx_len) == 0) { + if (entry && security_secid_to_secctx(entry->secid, + &secctx, + &secctx_len) == 0) { audit_log_format(audit_buf, " sec_obj=%s", secctx); security_release_secctx(secctx, secctx_len); } @@ -781,23 +693,20 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, const struct in6_addr *mask, struct netlbl_audit *audit_info) { - int ret_val = -ENOENT; + int ret_val = 0; + struct netlbl_af6list *list_entry; struct netlbl_unlhsh_addr6 *entry; - struct audit_buffer *audit_buf = NULL; + struct audit_buffer *audit_buf; struct net_device *dev; - char *secctx = NULL; + char *secctx; u32 secctx_len; spin_lock(&netlbl_unlhsh_lock); - entry = netlbl_unlhsh_search_addr6(addr, iface); - if (entry != NULL && - (ipv6_addr_equal(&entry->addr, addr) && - ipv6_addr_equal(&entry->mask, mask))) { - entry->valid = 0; - list_del_rcu(&entry->list); - ret_val = 0; - } + list_entry = netlbl_af6list_remove(addr, mask, &iface->addr6_list); spin_unlock(&netlbl_unlhsh_lock); + if (list_entry == NULL) + ret_val = -ENOENT; + entry = netlbl_unlhsh_addr6_entry(list_entry); audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL, audit_info); @@ -808,9 +717,9 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, addr, mask); if (dev != NULL) dev_put(dev); - if (security_secid_to_secctx(entry->secid, - &secctx, - &secctx_len) == 0) { + if (entry && security_secid_to_secctx(entry->secid, + &secctx, + &secctx_len) == 0) { audit_log_format(audit_buf, " sec_obj=%s", secctx); security_release_secctx(secctx, secctx_len); } @@ -836,16 +745,18 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, */ static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface) { - struct netlbl_unlhsh_addr4 *iter4; - struct netlbl_unlhsh_addr6 *iter6; + struct netlbl_af4list *iter4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *iter6; +#endif /* IPv6 */ spin_lock(&netlbl_unlhsh_lock); - list_for_each_entry_rcu(iter4, &iface->addr4_list, list) - if (iter4->valid) - goto unlhsh_condremove_failure; - list_for_each_entry_rcu(iter6, &iface->addr6_list, list) - if (iter6->valid) - goto unlhsh_condremove_failure; + netlbl_af4list_foreach_rcu(iter4, &iface->addr4_list) + goto unlhsh_condremove_failure; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(iter6, &iface->addr6_list) + goto unlhsh_condremove_failure; +#endif /* IPv6 */ iface->valid = 0; if (iface->ifindex > 0) list_del_rcu(&iface->list); @@ -1349,7 +1260,7 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, if (addr4) { struct in_addr addr_struct; - addr_struct.s_addr = addr4->addr; + addr_struct.s_addr = addr4->list.addr; ret_val = nla_put(cb_arg->skb, NLBL_UNLABEL_A_IPV4ADDR, sizeof(struct in_addr), @@ -1357,7 +1268,7 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, if (ret_val != 0) goto list_cb_failure; - addr_struct.s_addr = addr4->mask; + addr_struct.s_addr = addr4->list.mask; ret_val = nla_put(cb_arg->skb, NLBL_UNLABEL_A_IPV4MASK, sizeof(struct in_addr), @@ -1370,14 +1281,14 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd, ret_val = nla_put(cb_arg->skb, NLBL_UNLABEL_A_IPV6ADDR, sizeof(struct in6_addr), - &addr6->addr); + &addr6->list.addr); if (ret_val != 0) goto list_cb_failure; ret_val = nla_put(cb_arg->skb, NLBL_UNLABEL_A_IPV6MASK, sizeof(struct in6_addr), - &addr6->mask); + &addr6->list.mask); if (ret_val != 0) goto list_cb_failure; @@ -1425,9 +1336,11 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, u32 iter_bkt; u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0; struct netlbl_unlhsh_iface *iface; - struct netlbl_unlhsh_addr4 *addr4; - struct netlbl_unlhsh_addr6 *addr6; struct list_head *iter_list; + struct netlbl_af4list *addr4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *addr6; +#endif cb_arg.nl_cb = cb; cb_arg.skb = skb; @@ -1442,38 +1355,38 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb, if (!iface->valid || iter_chain++ < skip_chain) continue; - list_for_each_entry_rcu(addr4, - &iface->addr4_list, - list) { - if (!addr4->valid || iter_addr4++ < skip_addr4) + netlbl_af4list_foreach_rcu(addr4, + &iface->addr4_list) { + if (iter_addr4++ < skip_addr4) continue; if (netlbl_unlabel_staticlist_gen( - NLBL_UNLABEL_C_STATICLIST, - iface, - addr4, - NULL, - &cb_arg) < 0) { + NLBL_UNLABEL_C_STATICLIST, + iface, + netlbl_unlhsh_addr4_entry(addr4), + NULL, + &cb_arg) < 0) { iter_addr4--; iter_chain--; goto unlabel_staticlist_return; } } - list_for_each_entry_rcu(addr6, - &iface->addr6_list, - list) { - if (!addr6->valid || iter_addr6++ < skip_addr6) +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(addr6, + &iface->addr6_list) { + if (iter_addr6++ < skip_addr6) continue; if (netlbl_unlabel_staticlist_gen( - NLBL_UNLABEL_C_STATICLIST, - iface, - NULL, - addr6, - &cb_arg) < 0) { + NLBL_UNLABEL_C_STATICLIST, + iface, + NULL, + netlbl_unlhsh_addr6_entry(addr6), + &cb_arg) < 0) { iter_addr6--; iter_chain--; goto unlabel_staticlist_return; } } +#endif /* IPv6 */ } } @@ -1504,9 +1417,12 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb, struct netlbl_unlhsh_iface *iface; u32 skip_addr4 = cb->args[0]; u32 skip_addr6 = cb->args[1]; - u32 iter_addr4 = 0, iter_addr6 = 0; - struct netlbl_unlhsh_addr4 *addr4; - struct netlbl_unlhsh_addr6 *addr6; + u32 iter_addr4 = 0; + struct netlbl_af4list *addr4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + u32 iter_addr6 = 0; + struct netlbl_af6list *addr6; +#endif cb_arg.nl_cb = cb; cb_arg.skb = skb; @@ -1517,30 +1433,32 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb, if (iface == NULL || !iface->valid) goto unlabel_staticlistdef_return; - list_for_each_entry_rcu(addr4, &iface->addr4_list, list) { - if (!addr4->valid || iter_addr4++ < skip_addr4) + netlbl_af4list_foreach_rcu(addr4, &iface->addr4_list) { + if (iter_addr4++ < skip_addr4) continue; if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, - iface, - addr4, - NULL, - &cb_arg) < 0) { + iface, + netlbl_unlhsh_addr4_entry(addr4), + NULL, + &cb_arg) < 0) { iter_addr4--; goto unlabel_staticlistdef_return; } } - list_for_each_entry_rcu(addr6, &iface->addr6_list, list) { - if (!addr6->valid || iter_addr6++ < skip_addr6) +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(addr6, &iface->addr6_list) { + if (iter_addr6++ < skip_addr6) continue; if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF, - iface, - NULL, - addr6, - &cb_arg) < 0) { + iface, + NULL, + netlbl_unlhsh_addr6_entry(addr6), + &cb_arg) < 0) { iter_addr6--; goto unlabel_staticlistdef_return; } } +#endif /* IPv6 */ unlabel_staticlistdef_return: rcu_read_unlock(); @@ -1718,25 +1636,27 @@ int netlbl_unlabel_getattr(const struct sk_buff *skb, switch (family) { case PF_INET: { struct iphdr *hdr4; - struct netlbl_unlhsh_addr4 *addr4; + struct netlbl_af4list *addr4; hdr4 = ip_hdr(skb); - addr4 = netlbl_unlhsh_search_addr4(hdr4->saddr, iface); + addr4 = netlbl_af4list_search(hdr4->saddr, + &iface->addr4_list); if (addr4 == NULL) goto unlabel_getattr_nolabel; - secattr->attr.secid = addr4->secid; + secattr->attr.secid = netlbl_unlhsh_addr4_entry(addr4)->secid; break; } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) case PF_INET6: { struct ipv6hdr *hdr6; - struct netlbl_unlhsh_addr6 *addr6; + struct netlbl_af6list *addr6; hdr6 = ipv6_hdr(skb); - addr6 = netlbl_unlhsh_search_addr6(&hdr6->saddr, iface); + addr6 = netlbl_af6list_search(&hdr6->saddr, + &iface->addr6_list); if (addr6 == NULL) goto unlabel_getattr_nolabel; - secattr->attr.secid = addr6->secid; + secattr->attr.secid = netlbl_unlhsh_addr6_entry(addr6)->secid; break; } #endif /* IPv6 */ -- GitLab From 63c41688743760631188cf0f4ae986a6793ccb0a Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:32 -0400 Subject: [PATCH 3450/6244] netlabel: Add network address selectors to the NetLabel/LSM domain mapping This patch extends the NetLabel traffic labeling capabilities to individual packets based not only on the LSM domain but the by the destination address as well. The changes here only affect the core NetLabel infrastructre, changes to the NetLabel KAPI and individial protocol engines are also required but are split out into a different patch to ease review. Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/netlabel.h | 7 +- net/netlabel/netlabel_addrlist.c | 130 ++++++++++ net/netlabel/netlabel_addrlist.h | 15 ++ net/netlabel/netlabel_domainhash.c | 290 ++++++++++++++++++--- net/netlabel/netlabel_domainhash.h | 38 ++- net/netlabel/netlabel_kapi.c | 7 +- net/netlabel/netlabel_mgmt.c | 398 ++++++++++++++++++++++------- net/netlabel/netlabel_mgmt.h | 59 ++++- net/netlabel/netlabel_unlabeled.c | 96 +------ 9 files changed, 816 insertions(+), 224 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index e16db0961265..0729f8ce5042 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -9,7 +9,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,8 +72,9 @@ struct cipso_v4_doi; /* NetLabel NETLINK protocol version * 1: initial version * 2: added static labels for unlabeled connections + * 3: network selectors added to the NetLabel/LSM domain mapping */ -#define NETLBL_PROTO_VERSION 2 +#define NETLBL_PROTO_VERSION 3 /* NetLabel NETLINK types/families */ #define NETLBL_NLTYPE_NONE 0 @@ -87,6 +88,8 @@ struct cipso_v4_doi; #define NETLBL_NLTYPE_CIPSOV6_NAME "NLBL_CIPSOv6" #define NETLBL_NLTYPE_UNLABELED 5 #define NETLBL_NLTYPE_UNLABELED_NAME "NLBL_UNLBL" +#define NETLBL_NLTYPE_ADDRSELECT 6 +#define NETLBL_NLTYPE_ADDRSELECT_NAME "NLBL_ADRSEL" /* * NetLabel - Kernel API for accessing the network packet label mappings. diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c index dd928aa52db1..b0925a303353 100644 --- a/net/netlabel/netlabel_addrlist.c +++ b/net/netlabel/netlabel_addrlist.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "netlabel_addrlist.h" @@ -69,6 +70,32 @@ struct netlbl_af4list *netlbl_af4list_search(__be32 addr, return NULL; } +/** + * netlbl_af4list_search_exact - Search for an exact IPv4 address entry + * @addr: IPv4 address + * @mask: IPv4 address mask + * @head: the list head + * + * Description: + * Searches the IPv4 address list given by @head. If an exact match if found + * it is returned, otherwise NULL is returned. The caller is responsible for + * calling the rcu_read_[un]lock() functions. + * + */ +struct netlbl_af4list *netlbl_af4list_search_exact(__be32 addr, + __be32 mask, + struct list_head *head) +{ + struct netlbl_af4list *iter; + + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && iter->addr == addr && iter->mask == mask) + return iter; + + return NULL; +} + + #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) /** * netlbl_af6list_search - Search for a matching IPv6 address entry @@ -93,6 +120,33 @@ struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr, return NULL; } + +/** + * netlbl_af6list_search_exact - Search for an exact IPv6 address entry + * @addr: IPv6 address + * @mask: IPv6 address mask + * @head: the list head + * + * Description: + * Searches the IPv6 address list given by @head. If an exact match if found + * it is returned, otherwise NULL is returned. The caller is responsible for + * calling the rcu_read_[un]lock() functions. + * + */ +struct netlbl_af6list *netlbl_af6list_search_exact(const struct in6_addr *addr, + const struct in6_addr *mask, + struct list_head *head) +{ + struct netlbl_af6list *iter; + + list_for_each_entry_rcu(iter, head, list) + if (iter->valid && + ipv6_addr_equal(&iter->addr, addr) && + ipv6_addr_equal(&iter->mask, mask)) + return iter; + + return NULL; +} #endif /* IPv6 */ /** @@ -256,3 +310,79 @@ struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr, return NULL; } #endif /* IPv6 */ + +/* + * Audit Helper Functions + */ + +/** + * netlbl_af4list_audit_addr - Audit an IPv4 address + * @audit_buf: audit buffer + * @src: true if source address, false if destination + * @dev: network interface + * @addr: IP address + * @mask: IP address mask + * + * Description: + * Write the IPv4 address and address mask, if necessary, to @audit_buf. + * + */ +void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf, + int src, const char *dev, + __be32 addr, __be32 mask) +{ + u32 mask_val = ntohl(mask); + char *dir = (src ? "src" : "dst"); + + if (dev != NULL) + audit_log_format(audit_buf, " netif=%s", dev); + audit_log_format(audit_buf, " %s=" NIPQUAD_FMT, dir, NIPQUAD(addr)); + if (mask_val != 0xffffffff) { + u32 mask_len = 0; + while (mask_val > 0) { + mask_val <<= 1; + mask_len++; + } + audit_log_format(audit_buf, " %s_prefixlen=%d", dir, mask_len); + } +} + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +/** + * netlbl_af6list_audit_addr - Audit an IPv6 address + * @audit_buf: audit buffer + * @src: true if source address, false if destination + * @dev: network interface + * @addr: IP address + * @mask: IP address mask + * + * Description: + * Write the IPv6 address and address mask, if necessary, to @audit_buf. + * + */ +void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf, + int src, + const char *dev, + const struct in6_addr *addr, + const struct in6_addr *mask) +{ + char *dir = (src ? "src" : "dst"); + + if (dev != NULL) + audit_log_format(audit_buf, " netif=%s", dev); + audit_log_format(audit_buf, " %s=" NIP6_FMT, dir, NIP6(*addr)); + if (ntohl(mask->s6_addr32[3]) != 0xffffffff) { + u32 mask_len = 0; + u32 mask_val; + int iter = -1; + while (ntohl(mask->s6_addr32[++iter]) == 0xffffffff) + mask_len += 32; + mask_val = ntohl(mask->s6_addr32[iter]); + while (mask_val > 0) { + mask_val <<= 1; + mask_len++; + } + audit_log_format(audit_buf, " %s_prefixlen=%d", dir, mask_len); + } +} +#endif /* IPv6 */ diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h index 0c41df057fa8..0242bead405f 100644 --- a/net/netlabel/netlabel_addrlist.h +++ b/net/netlabel/netlabel_addrlist.h @@ -36,6 +36,7 @@ #include #include #include +#include /** * struct netlbl_af4list - NetLabel IPv4 address list @@ -116,6 +117,12 @@ struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask, void netlbl_af4list_remove_entry(struct netlbl_af4list *entry); struct netlbl_af4list *netlbl_af4list_search(__be32 addr, struct list_head *head); +struct netlbl_af4list *netlbl_af4list_search_exact(__be32 addr, + __be32 mask, + struct list_head *head); +void netlbl_af4list_audit_addr(struct audit_buffer *audit_buf, + int src, const char *dev, + __be32 addr, __be32 mask); #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -169,6 +176,14 @@ struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr, void netlbl_af6list_remove_entry(struct netlbl_af6list *entry); struct netlbl_af6list *netlbl_af6list_search(const struct in6_addr *addr, struct list_head *head); +struct netlbl_af6list *netlbl_af6list_search_exact(const struct in6_addr *addr, + const struct in6_addr *mask, + struct list_head *head); +void netlbl_af6list_audit_addr(struct audit_buffer *audit_buf, + int src, + const char *dev, + const struct in6_addr *addr, + const struct in6_addr *mask); #endif /* IPV6 */ #endif diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index 0243f0c57b41..5fadf10e5ddf 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -11,7 +11,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -40,6 +40,7 @@ #include #include "netlabel_mgmt.h" +#include "netlabel_addrlist.h" #include "netlabel_domainhash.h" #include "netlabel_user.h" @@ -72,8 +73,28 @@ static struct netlbl_dom_map *netlbl_domhsh_def = NULL; static void netlbl_domhsh_free_entry(struct rcu_head *entry) { struct netlbl_dom_map *ptr; + struct netlbl_af4list *iter4; + struct netlbl_af4list *tmp4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *iter6; + struct netlbl_af6list *tmp6; +#endif /* IPv6 */ ptr = container_of(entry, struct netlbl_dom_map, rcu); + if (ptr->type == NETLBL_NLTYPE_ADDRSELECT) { + netlbl_af4list_foreach_safe(iter4, tmp4, + &ptr->type_def.addrsel->list4) { + netlbl_af4list_remove_entry(iter4); + kfree(netlbl_domhsh_addr4_entry(iter4)); + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_safe(iter6, tmp6, + &ptr->type_def.addrsel->list6) { + netlbl_af6list_remove_entry(iter6); + kfree(netlbl_domhsh_addr6_entry(iter6)); + } +#endif /* IPv6 */ + } kfree(ptr->domain); kfree(ptr); } @@ -156,6 +177,69 @@ static struct netlbl_dom_map *netlbl_domhsh_search_def(const char *domain) return entry; } +/** + * netlbl_domhsh_audit_add - Generate an audit entry for an add event + * @entry: the entry being added + * @addr4: the IPv4 address information + * @addr6: the IPv6 address information + * @result: the result code + * @audit_info: NetLabel audit information + * + * Description: + * Generate an audit record for adding a new NetLabel/LSM mapping entry with + * the given information. Caller is responsibile for holding the necessary + * locks. + * + */ +static void netlbl_domhsh_audit_add(struct netlbl_dom_map *entry, + struct netlbl_af4list *addr4, + struct netlbl_af6list *addr6, + int result, + struct netlbl_audit *audit_info) +{ + struct audit_buffer *audit_buf; + struct cipso_v4_doi *cipsov4 = NULL; + u32 type; + + audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_ADD, audit_info); + if (audit_buf != NULL) { + audit_log_format(audit_buf, " nlbl_domain=%s", + entry->domain ? entry->domain : "(default)"); + if (addr4 != NULL) { + struct netlbl_domaddr4_map *map4; + map4 = netlbl_domhsh_addr4_entry(addr4); + type = map4->type; + cipsov4 = map4->type_def.cipsov4; + netlbl_af4list_audit_addr(audit_buf, 0, NULL, + addr4->addr, addr4->mask); +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + } else if (addr6 != NULL) { + struct netlbl_domaddr6_map *map6; + map6 = netlbl_domhsh_addr6_entry(addr6); + type = map6->type; + netlbl_af6list_audit_addr(audit_buf, 0, NULL, + &addr6->addr, &addr6->mask); +#endif /* IPv6 */ + } else { + type = entry->type; + cipsov4 = entry->type_def.cipsov4; + } + switch (type) { + case NETLBL_NLTYPE_UNLABELED: + audit_log_format(audit_buf, " nlbl_protocol=unlbl"); + break; + case NETLBL_NLTYPE_CIPSOV4: + BUG_ON(cipsov4 == NULL); + audit_log_format(audit_buf, + " nlbl_protocol=cipsov4 cipso_doi=%u", + cipsov4->doi); + break; + } + audit_log_format(audit_buf, " res=%u", result == 0 ? 1 : 0); + audit_log_end(audit_buf); + } +} + /* * Domain Hash Table Functions */ @@ -213,50 +297,106 @@ int __init netlbl_domhsh_init(u32 size) int netlbl_domhsh_add(struct netlbl_dom_map *entry, struct netlbl_audit *audit_info) { - int ret_val; - u32 bkt; - struct audit_buffer *audit_buf; - - entry->valid = 1; - INIT_RCU_HEAD(&entry->rcu); + int ret_val = 0; + struct netlbl_dom_map *entry_old; + struct netlbl_af4list *iter4; + struct netlbl_af4list *tmp4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *iter6; + struct netlbl_af6list *tmp6; +#endif /* IPv6 */ rcu_read_lock(); + spin_lock(&netlbl_domhsh_lock); - if (entry->domain != NULL) { - bkt = netlbl_domhsh_hash(entry->domain); - if (netlbl_domhsh_search(entry->domain) == NULL) + if (entry->domain != NULL) + entry_old = netlbl_domhsh_search(entry->domain); + else + entry_old = netlbl_domhsh_search_def(entry->domain); + if (entry_old == NULL) { + entry->valid = 1; + INIT_RCU_HEAD(&entry->rcu); + + if (entry->domain != NULL) { + u32 bkt = netlbl_domhsh_hash(entry->domain); list_add_tail_rcu(&entry->list, &rcu_dereference(netlbl_domhsh)->tbl[bkt]); - else - ret_val = -EEXIST; - } else { - INIT_LIST_HEAD(&entry->list); - if (rcu_dereference(netlbl_domhsh_def) == NULL) + } else { + INIT_LIST_HEAD(&entry->list); rcu_assign_pointer(netlbl_domhsh_def, entry); - else - ret_val = -EEXIST; - } - spin_unlock(&netlbl_domhsh_lock); - audit_buf = netlbl_audit_start_common(AUDIT_MAC_MAP_ADD, audit_info); - if (audit_buf != NULL) { - audit_log_format(audit_buf, - " nlbl_domain=%s", - entry->domain ? entry->domain : "(default)"); - switch (entry->type) { - case NETLBL_NLTYPE_UNLABELED: - audit_log_format(audit_buf, " nlbl_protocol=unlbl"); - break; - case NETLBL_NLTYPE_CIPSOV4: - audit_log_format(audit_buf, - " nlbl_protocol=cipsov4 cipso_doi=%u", - entry->type_def.cipsov4->doi); - break; } - audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0); - audit_log_end(audit_buf); - } - rcu_read_unlock(); + if (entry->type == NETLBL_NLTYPE_ADDRSELECT) { + netlbl_af4list_foreach_rcu(iter4, + &entry->type_def.addrsel->list4) + netlbl_domhsh_audit_add(entry, iter4, NULL, + ret_val, audit_info); +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(iter6, + &entry->type_def.addrsel->list6) + netlbl_domhsh_audit_add(entry, NULL, iter6, + ret_val, audit_info); +#endif /* IPv6 */ + } else + netlbl_domhsh_audit_add(entry, NULL, NULL, + ret_val, audit_info); + } else if (entry_old->type == NETLBL_NLTYPE_ADDRSELECT && + entry->type == NETLBL_NLTYPE_ADDRSELECT) { + struct list_head *old_list4; + struct list_head *old_list6; + + old_list4 = &entry_old->type_def.addrsel->list4; + old_list6 = &entry_old->type_def.addrsel->list6; + + /* we only allow the addition of address selectors if all of + * the selectors do not exist in the existing domain map */ + netlbl_af4list_foreach_rcu(iter4, + &entry->type_def.addrsel->list4) + if (netlbl_af4list_search_exact(iter4->addr, + iter4->mask, + old_list4)) { + ret_val = -EEXIST; + goto add_return; + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(iter6, + &entry->type_def.addrsel->list6) + if (netlbl_af6list_search_exact(&iter6->addr, + &iter6->mask, + old_list6)) { + ret_val = -EEXIST; + goto add_return; + } +#endif /* IPv6 */ + + netlbl_af4list_foreach_safe(iter4, tmp4, + &entry->type_def.addrsel->list4) { + netlbl_af4list_remove_entry(iter4); + iter4->valid = 1; + ret_val = netlbl_af4list_add(iter4, old_list4); + netlbl_domhsh_audit_add(entry_old, iter4, NULL, + ret_val, audit_info); + if (ret_val != 0) + goto add_return; + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_safe(iter6, tmp6, + &entry->type_def.addrsel->list6) { + netlbl_af6list_remove_entry(iter6); + iter6->valid = 1; + ret_val = netlbl_af6list_add(iter6, old_list6); + netlbl_domhsh_audit_add(entry_old, NULL, iter6, + ret_val, audit_info); + if (ret_val != 0) + goto add_return; + } +#endif /* IPv6 */ + } else + ret_val = -EINVAL; + +add_return: + spin_unlock(&netlbl_domhsh_lock); + rcu_read_unlock(); return ret_val; } @@ -319,7 +459,19 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, } if (ret_val == 0) { + struct netlbl_af4list *iter4; + struct netlbl_domaddr4_map *map4; + switch (entry->type) { + case NETLBL_NLTYPE_ADDRSELECT: + netlbl_af4list_foreach_rcu(iter4, + &entry->type_def.addrsel->list4) { + map4 = netlbl_domhsh_addr4_entry(iter4); + cipso_v4_doi_putdef(map4->type_def.cipsov4); + } + /* no need to check the IPv6 list since we currently + * support only unlabeled protocols for IPv6 */ + break; case NETLBL_NLTYPE_CIPSOV4: cipso_v4_doi_putdef(entry->type_def.cipsov4); break; @@ -387,6 +539,70 @@ struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain) return netlbl_domhsh_search_def(domain); } +/** + * netlbl_domhsh_getentry_af4 - Get an entry from the domain hash table + * @domain: the domain name to search for + * @addr: the IP address to search for + * + * Description: + * Look through the domain hash table searching for an entry to match @domain + * and @addr, return a pointer to a copy of the entry or NULL. The caller is + * responsible for ensuring that rcu_read_[un]lock() is called. + * + */ +struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, + __be32 addr) +{ + struct netlbl_dom_map *dom_iter; + struct netlbl_af4list *addr_iter; + + dom_iter = netlbl_domhsh_search_def(domain); + if (dom_iter == NULL) + return NULL; + if (dom_iter->type != NETLBL_NLTYPE_ADDRSELECT) + return NULL; + + addr_iter = netlbl_af4list_search(addr, + &dom_iter->type_def.addrsel->list4); + if (addr_iter == NULL) + return NULL; + + return netlbl_domhsh_addr4_entry(addr_iter); +} + +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +/** + * netlbl_domhsh_getentry_af6 - Get an entry from the domain hash table + * @domain: the domain name to search for + * @addr: the IP address to search for + * + * Description: + * Look through the domain hash table searching for an entry to match @domain + * and @addr, return a pointer to a copy of the entry or NULL. The caller is + * responsible for ensuring that rcu_read_[un]lock() is called. + * + */ +struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, + const struct in6_addr *addr) +{ + struct netlbl_dom_map *dom_iter; + struct netlbl_af6list *addr_iter; + + dom_iter = netlbl_domhsh_search_def(domain); + if (dom_iter == NULL) + return NULL; + if (dom_iter->type != NETLBL_NLTYPE_ADDRSELECT) + return NULL; + + addr_iter = netlbl_af6list_search(addr, + &dom_iter->type_def.addrsel->list6); + if (addr_iter == NULL) + return NULL; + + return netlbl_domhsh_addr6_entry(addr_iter); +} +#endif /* IPv6 */ + /** * netlbl_domhsh_walk - Iterate through the domain mapping hash table * @skip_bkt: the number of buckets to skip at the start diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h index afcc41a7432d..bfcb6763a1a1 100644 --- a/net/netlabel/netlabel_domainhash.h +++ b/net/netlabel/netlabel_domainhash.h @@ -11,7 +11,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -36,16 +36,43 @@ #include #include +#include "netlabel_addrlist.h" + /* Domain hash table size */ /* XXX - currently this number is an uneducated guess */ #define NETLBL_DOMHSH_BITSIZE 7 -/* Domain mapping definition struct */ +/* Domain mapping definition structures */ +#define netlbl_domhsh_addr4_entry(iter) \ + container_of(iter, struct netlbl_domaddr4_map, list) +struct netlbl_domaddr4_map { + u32 type; + union { + struct cipso_v4_doi *cipsov4; + } type_def; + + struct netlbl_af4list list; +}; +#define netlbl_domhsh_addr6_entry(iter) \ + container_of(iter, struct netlbl_domaddr6_map, list) +struct netlbl_domaddr6_map { + u32 type; + + /* NOTE: no 'type_def' union needed at present since we don't currently + * support any IPv6 labeling protocols */ + + struct netlbl_af6list list; +}; +struct netlbl_domaddr_map { + struct list_head list4; + struct list_head list6; +}; struct netlbl_dom_map { char *domain; u32 type; union { struct cipso_v4_doi *cipsov4; + struct netlbl_domaddr_map *addrsel; } type_def; u32 valid; @@ -66,9 +93,16 @@ int netlbl_domhsh_remove_entry(struct netlbl_dom_map *entry, int netlbl_domhsh_remove(const char *domain, struct netlbl_audit *audit_info); int netlbl_domhsh_remove_default(struct netlbl_audit *audit_info); struct netlbl_dom_map *netlbl_domhsh_getentry(const char *domain); +struct netlbl_domaddr4_map *netlbl_domhsh_getentry_af4(const char *domain, + __be32 addr); int netlbl_domhsh_walk(u32 *skip_bkt, u32 *skip_chain, int (*callback) (struct netlbl_dom_map *entry, void *arg), void *cb_arg); +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) +struct netlbl_domaddr6_map *netlbl_domhsh_getentry_af6(const char *domain, + const struct in6_addr *addr); +#endif /* IPv6 */ + #endif diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 7d8ecea93914..8b820dc98060 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -419,7 +419,9 @@ int netlbl_enabled(void) * Attach the correct label to the given socket using the security attributes * specified in @secattr. This function requires exclusive access to @sk, * which means it either needs to be in the process of being created or locked. - * Returns zero on success, negative values on failure. + * Returns zero on success, -EDESTADDRREQ if the domain is configured to use + * network address selectors (can't blindly label the socket), and negative + * values on all other failures. * */ int netlbl_sock_setattr(struct sock *sk, @@ -433,6 +435,9 @@ int netlbl_sock_setattr(struct sock *sk, if (dom_entry == NULL) goto socket_setattr_return; switch (dom_entry->type) { + case NETLBL_NLTYPE_ADDRSELECT: + ret_val = -EDESTADDRREQ; + break; case NETLBL_NLTYPE_CIPSOV4: ret_val = cipso_v4_sock_setattr(sk, dom_entry->type_def.cipsov4, diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index c4e18c7bc0c1..ee769ecaa13c 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -10,7 +10,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -32,9 +32,13 @@ #include #include #include +#include +#include #include #include #include +#include +#include #include #include #include @@ -71,79 +75,336 @@ static const struct nla_policy netlbl_mgmt_genl_policy[NLBL_MGMT_A_MAX + 1] = { }; /* - * NetLabel Command Handlers + * Helper Functions */ /** * netlbl_mgmt_add - Handle an ADD message - * @skb: the NETLINK buffer * @info: the Generic NETLINK info block + * @audit_info: NetLabel audit information * * Description: - * Process a user generated ADD message and add the domains from the message - * to the hash table. See netlabel.h for a description of the message format. - * Returns zero on success, negative values on failure. + * Helper function for the ADD and ADDDEF messages to add the domain mappings + * from the message to the hash table. See netlabel.h for a description of the + * message format. Returns zero on success, negative values on failure. * */ -static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info) +static int netlbl_mgmt_add_common(struct genl_info *info, + struct netlbl_audit *audit_info) { int ret_val = -EINVAL; struct netlbl_dom_map *entry = NULL; - size_t tmp_size; + struct netlbl_domaddr_map *addrmap = NULL; + struct cipso_v4_doi *cipsov4 = NULL; u32 tmp_val; - struct netlbl_audit audit_info; - - if (!info->attrs[NLBL_MGMT_A_DOMAIN] || - !info->attrs[NLBL_MGMT_A_PROTOCOL]) - goto add_failure; - - netlbl_netlink_auditinfo(skb, &audit_info); entry = kzalloc(sizeof(*entry), GFP_KERNEL); if (entry == NULL) { ret_val = -ENOMEM; goto add_failure; } - tmp_size = nla_len(info->attrs[NLBL_MGMT_A_DOMAIN]); - entry->domain = kmalloc(tmp_size, GFP_KERNEL); - if (entry->domain == NULL) { - ret_val = -ENOMEM; - goto add_failure; - } entry->type = nla_get_u32(info->attrs[NLBL_MGMT_A_PROTOCOL]); - nla_strlcpy(entry->domain, info->attrs[NLBL_MGMT_A_DOMAIN], tmp_size); + if (info->attrs[NLBL_MGMT_A_DOMAIN]) { + size_t tmp_size = nla_len(info->attrs[NLBL_MGMT_A_DOMAIN]); + entry->domain = kmalloc(tmp_size, GFP_KERNEL); + if (entry->domain == NULL) { + ret_val = -ENOMEM; + goto add_failure; + } + nla_strlcpy(entry->domain, + info->attrs[NLBL_MGMT_A_DOMAIN], tmp_size); + } + + /* NOTE: internally we allow/use a entry->type value of + * NETLBL_NLTYPE_ADDRSELECT but we don't currently allow users + * to pass that as a protocol value because we need to know the + * "real" protocol */ switch (entry->type) { case NETLBL_NLTYPE_UNLABELED: - ret_val = netlbl_domhsh_add(entry, &audit_info); break; case NETLBL_NLTYPE_CIPSOV4: if (!info->attrs[NLBL_MGMT_A_CV4DOI]) goto add_failure; tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CV4DOI]); - entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); - if (entry->type_def.cipsov4 == NULL) + cipsov4 = cipso_v4_doi_getdef(tmp_val); + if (cipsov4 == NULL) goto add_failure; - ret_val = netlbl_domhsh_add(entry, &audit_info); - if (ret_val != 0) - cipso_v4_doi_putdef(entry->type_def.cipsov4); + entry->type_def.cipsov4 = cipsov4; break; default: goto add_failure; } + + if (info->attrs[NLBL_MGMT_A_IPV4ADDR]) { + struct in_addr *addr; + struct in_addr *mask; + struct netlbl_domaddr4_map *map; + + addrmap = kzalloc(sizeof(*addrmap), GFP_KERNEL); + if (addrmap == NULL) { + ret_val = -ENOMEM; + goto add_failure; + } + INIT_LIST_HEAD(&addrmap->list4); + INIT_LIST_HEAD(&addrmap->list6); + + if (nla_len(info->attrs[NLBL_MGMT_A_IPV4ADDR]) != + sizeof(struct in_addr)) { + ret_val = -EINVAL; + goto add_failure; + } + if (nla_len(info->attrs[NLBL_MGMT_A_IPV4MASK]) != + sizeof(struct in_addr)) { + ret_val = -EINVAL; + goto add_failure; + } + addr = nla_data(info->attrs[NLBL_MGMT_A_IPV4ADDR]); + mask = nla_data(info->attrs[NLBL_MGMT_A_IPV4MASK]); + + map = kzalloc(sizeof(*map), GFP_KERNEL); + if (map == NULL) { + ret_val = -ENOMEM; + goto add_failure; + } + map->list.addr = addr->s_addr & mask->s_addr; + map->list.mask = mask->s_addr; + map->list.valid = 1; + map->type = entry->type; + if (cipsov4) + map->type_def.cipsov4 = cipsov4; + + ret_val = netlbl_af4list_add(&map->list, &addrmap->list4); + if (ret_val != 0) { + kfree(map); + goto add_failure; + } + + entry->type = NETLBL_NLTYPE_ADDRSELECT; + entry->type_def.addrsel = addrmap; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + } else if (info->attrs[NLBL_MGMT_A_IPV6ADDR]) { + struct in6_addr *addr; + struct in6_addr *mask; + struct netlbl_domaddr6_map *map; + + addrmap = kzalloc(sizeof(*addrmap), GFP_KERNEL); + if (addrmap == NULL) { + ret_val = -ENOMEM; + goto add_failure; + } + INIT_LIST_HEAD(&addrmap->list4); + INIT_LIST_HEAD(&addrmap->list6); + + if (nla_len(info->attrs[NLBL_MGMT_A_IPV6ADDR]) != + sizeof(struct in6_addr)) { + ret_val = -EINVAL; + goto add_failure; + } + if (nla_len(info->attrs[NLBL_MGMT_A_IPV6MASK]) != + sizeof(struct in6_addr)) { + ret_val = -EINVAL; + goto add_failure; + } + addr = nla_data(info->attrs[NLBL_MGMT_A_IPV6ADDR]); + mask = nla_data(info->attrs[NLBL_MGMT_A_IPV6MASK]); + + map = kzalloc(sizeof(*map), GFP_KERNEL); + if (map == NULL) { + ret_val = -ENOMEM; + goto add_failure; + } + ipv6_addr_copy(&map->list.addr, addr); + map->list.addr.s6_addr32[0] &= mask->s6_addr32[0]; + map->list.addr.s6_addr32[1] &= mask->s6_addr32[1]; + map->list.addr.s6_addr32[2] &= mask->s6_addr32[2]; + map->list.addr.s6_addr32[3] &= mask->s6_addr32[3]; + ipv6_addr_copy(&map->list.mask, mask); + map->list.valid = 1; + map->type = entry->type; + + ret_val = netlbl_af6list_add(&map->list, &addrmap->list6); + if (ret_val != 0) { + kfree(map); + goto add_failure; + } + + entry->type = NETLBL_NLTYPE_ADDRSELECT; + entry->type_def.addrsel = addrmap; +#endif /* IPv6 */ + } + + ret_val = netlbl_domhsh_add(entry, audit_info); if (ret_val != 0) goto add_failure; return 0; add_failure: + if (cipsov4) + cipso_v4_doi_putdef(cipsov4); if (entry) kfree(entry->domain); + kfree(addrmap); kfree(entry); return ret_val; } +/** + * netlbl_mgmt_listentry - List a NetLabel/LSM domain map entry + * @skb: the NETLINK buffer + * @entry: the map entry + * + * Description: + * This function is a helper function used by the LISTALL and LISTDEF command + * handlers. The caller is responsibile for ensuring that the RCU read lock + * is held. Returns zero on success, negative values on failure. + * + */ +static int netlbl_mgmt_listentry(struct sk_buff *skb, + struct netlbl_dom_map *entry) +{ + int ret_val; + struct nlattr *nla_a; + struct nlattr *nla_b; + struct netlbl_af4list *iter4; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + struct netlbl_af6list *iter6; +#endif + + if (entry->domain != NULL) { + ret_val = nla_put_string(skb, + NLBL_MGMT_A_DOMAIN, entry->domain); + if (ret_val != 0) + return ret_val; + } + + switch (entry->type) { + case NETLBL_NLTYPE_ADDRSELECT: + nla_a = nla_nest_start(skb, NLBL_MGMT_A_SELECTORLIST); + if (nla_a == NULL) + return -ENOMEM; + + netlbl_af4list_foreach_rcu(iter4, + &entry->type_def.addrsel->list4) { + struct netlbl_domaddr4_map *map4; + struct in_addr addr_struct; + + nla_b = nla_nest_start(skb, NLBL_MGMT_A_ADDRSELECTOR); + if (nla_b == NULL) + return -ENOMEM; + + addr_struct.s_addr = iter4->addr; + ret_val = nla_put(skb, NLBL_MGMT_A_IPV4ADDR, + sizeof(struct in_addr), + &addr_struct); + if (ret_val != 0) + return ret_val; + addr_struct.s_addr = iter4->mask; + ret_val = nla_put(skb, NLBL_MGMT_A_IPV4MASK, + sizeof(struct in_addr), + &addr_struct); + if (ret_val != 0) + return ret_val; + map4 = netlbl_domhsh_addr4_entry(iter4); + ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, + map4->type); + if (ret_val != 0) + return ret_val; + switch (map4->type) { + case NETLBL_NLTYPE_CIPSOV4: + ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI, + map4->type_def.cipsov4->doi); + if (ret_val != 0) + return ret_val; + break; + } + + nla_nest_end(skb, nla_b); + } +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + netlbl_af6list_foreach_rcu(iter6, + &entry->type_def.addrsel->list6) { + struct netlbl_domaddr6_map *map6; + + nla_b = nla_nest_start(skb, NLBL_MGMT_A_ADDRSELECTOR); + if (nla_b == NULL) + return -ENOMEM; + + ret_val = nla_put(skb, NLBL_MGMT_A_IPV6ADDR, + sizeof(struct in6_addr), + &iter6->addr); + if (ret_val != 0) + return ret_val; + ret_val = nla_put(skb, NLBL_MGMT_A_IPV6MASK, + sizeof(struct in6_addr), + &iter6->mask); + if (ret_val != 0) + return ret_val; + map6 = netlbl_domhsh_addr6_entry(iter6); + ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, + map6->type); + if (ret_val != 0) + return ret_val; + + nla_nest_end(skb, nla_b); + } +#endif /* IPv6 */ + + nla_nest_end(skb, nla_a); + break; + case NETLBL_NLTYPE_UNLABELED: + ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, entry->type); + break; + case NETLBL_NLTYPE_CIPSOV4: + ret_val = nla_put_u32(skb, NLBL_MGMT_A_PROTOCOL, entry->type); + if (ret_val != 0) + return ret_val; + ret_val = nla_put_u32(skb, NLBL_MGMT_A_CV4DOI, + entry->type_def.cipsov4->doi); + break; + } + + return ret_val; +} + +/* + * NetLabel Command Handlers + */ + +/** + * netlbl_mgmt_add - Handle an ADD message + * @skb: the NETLINK buffer + * @info: the Generic NETLINK info block + * + * Description: + * Process a user generated ADD message and add the domains from the message + * to the hash table. See netlabel.h for a description of the message format. + * Returns zero on success, negative values on failure. + * + */ +static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info) +{ + struct netlbl_audit audit_info; + + if ((!info->attrs[NLBL_MGMT_A_DOMAIN]) || + (!info->attrs[NLBL_MGMT_A_PROTOCOL]) || + (info->attrs[NLBL_MGMT_A_IPV4ADDR] && + info->attrs[NLBL_MGMT_A_IPV6ADDR]) || + (info->attrs[NLBL_MGMT_A_IPV4MASK] && + info->attrs[NLBL_MGMT_A_IPV6MASK]) || + ((info->attrs[NLBL_MGMT_A_IPV4ADDR] != NULL) ^ + (info->attrs[NLBL_MGMT_A_IPV4MASK] != NULL)) || + ((info->attrs[NLBL_MGMT_A_IPV6ADDR] != NULL) ^ + (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL))) + return -EINVAL; + + netlbl_netlink_auditinfo(skb, &audit_info); + + return netlbl_mgmt_add_common(info, &audit_info); +} + /** * netlbl_mgmt_remove - Handle a REMOVE message * @skb: the NETLINK buffer @@ -192,23 +453,9 @@ static int netlbl_mgmt_listall_cb(struct netlbl_dom_map *entry, void *arg) if (data == NULL) goto listall_cb_failure; - ret_val = nla_put_string(cb_arg->skb, - NLBL_MGMT_A_DOMAIN, - entry->domain); + ret_val = netlbl_mgmt_listentry(cb_arg->skb, entry); if (ret_val != 0) goto listall_cb_failure; - ret_val = nla_put_u32(cb_arg->skb, NLBL_MGMT_A_PROTOCOL, entry->type); - if (ret_val != 0) - goto listall_cb_failure; - switch (entry->type) { - case NETLBL_NLTYPE_CIPSOV4: - ret_val = nla_put_u32(cb_arg->skb, - NLBL_MGMT_A_CV4DOI, - entry->type_def.cipsov4->doi); - if (ret_val != 0) - goto listall_cb_failure; - break; - } cb_arg->seq++; return genlmsg_end(cb_arg->skb, data); @@ -262,50 +509,22 @@ static int netlbl_mgmt_listall(struct sk_buff *skb, */ static int netlbl_mgmt_adddef(struct sk_buff *skb, struct genl_info *info) { - int ret_val = -EINVAL; - struct netlbl_dom_map *entry = NULL; - u32 tmp_val; struct netlbl_audit audit_info; - if (!info->attrs[NLBL_MGMT_A_PROTOCOL]) - goto adddef_failure; + if ((!info->attrs[NLBL_MGMT_A_PROTOCOL]) || + (info->attrs[NLBL_MGMT_A_IPV4ADDR] && + info->attrs[NLBL_MGMT_A_IPV6ADDR]) || + (info->attrs[NLBL_MGMT_A_IPV4MASK] && + info->attrs[NLBL_MGMT_A_IPV6MASK]) || + ((info->attrs[NLBL_MGMT_A_IPV4ADDR] != NULL) ^ + (info->attrs[NLBL_MGMT_A_IPV4MASK] != NULL)) || + ((info->attrs[NLBL_MGMT_A_IPV6ADDR] != NULL) ^ + (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL))) + return -EINVAL; netlbl_netlink_auditinfo(skb, &audit_info); - entry = kzalloc(sizeof(*entry), GFP_KERNEL); - if (entry == NULL) { - ret_val = -ENOMEM; - goto adddef_failure; - } - entry->type = nla_get_u32(info->attrs[NLBL_MGMT_A_PROTOCOL]); - - switch (entry->type) { - case NETLBL_NLTYPE_UNLABELED: - ret_val = netlbl_domhsh_add_default(entry, &audit_info); - break; - case NETLBL_NLTYPE_CIPSOV4: - if (!info->attrs[NLBL_MGMT_A_CV4DOI]) - goto adddef_failure; - - tmp_val = nla_get_u32(info->attrs[NLBL_MGMT_A_CV4DOI]); - entry->type_def.cipsov4 = cipso_v4_doi_getdef(tmp_val); - if (entry->type_def.cipsov4 == NULL) - goto adddef_failure; - ret_val = netlbl_domhsh_add_default(entry, &audit_info); - if (ret_val != 0) - cipso_v4_doi_putdef(entry->type_def.cipsov4); - break; - default: - goto adddef_failure; - } - if (ret_val != 0) - goto adddef_failure; - - return 0; - -adddef_failure: - kfree(entry); - return ret_val; + return netlbl_mgmt_add_common(info, &audit_info); } /** @@ -359,19 +578,10 @@ static int netlbl_mgmt_listdef(struct sk_buff *skb, struct genl_info *info) ret_val = -ENOENT; goto listdef_failure_lock; } - ret_val = nla_put_u32(ans_skb, NLBL_MGMT_A_PROTOCOL, entry->type); - if (ret_val != 0) - goto listdef_failure_lock; - switch (entry->type) { - case NETLBL_NLTYPE_CIPSOV4: - ret_val = nla_put_u32(ans_skb, - NLBL_MGMT_A_CV4DOI, - entry->type_def.cipsov4->doi); - if (ret_val != 0) - goto listdef_failure_lock; - break; - } + ret_val = netlbl_mgmt_listentry(ans_skb, entry); rcu_read_unlock(); + if (ret_val != 0) + goto listdef_failure; genlmsg_end(ans_skb, data); return genlmsg_reply(ans_skb, info); diff --git a/net/netlabel/netlabel_mgmt.h b/net/netlabel/netlabel_mgmt.h index a43bff169d6b..05d96431f819 100644 --- a/net/netlabel/netlabel_mgmt.h +++ b/net/netlabel/netlabel_mgmt.h @@ -45,6 +45,16 @@ * NLBL_MGMT_A_DOMAIN * NLBL_MGMT_A_PROTOCOL * + * If IPv4 is specified the following attributes are required: + * + * NLBL_MGMT_A_IPV4ADDR + * NLBL_MGMT_A_IPV4MASK + * + * If IPv6 is specified the following attributes are required: + * + * NLBL_MGMT_A_IPV6ADDR + * NLBL_MGMT_A_IPV6MASK + * * If using NETLBL_NLTYPE_CIPSOV4 the following attributes are required: * * NLBL_MGMT_A_CV4DOI @@ -68,13 +78,24 @@ * Required attributes: * * NLBL_MGMT_A_DOMAIN + * + * If the IP address selectors are not used the following attribute is + * required: + * * NLBL_MGMT_A_PROTOCOL * - * If using NETLBL_NLTYPE_CIPSOV4 the following attributes are required: + * If the IP address selectors are used then the following attritbute is + * required: + * + * NLBL_MGMT_A_SELECTORLIST + * + * If the mapping is using the NETLBL_NLTYPE_CIPSOV4 type then the following + * attributes are required: * * NLBL_MGMT_A_CV4DOI * - * If using NETLBL_NLTYPE_UNLABELED no other attributes are required. + * If the mapping is using the NETLBL_NLTYPE_UNLABELED type no other + * attributes are required. * * o ADDDEF: * Sent by an application to set the default domain mapping for the NetLabel @@ -100,15 +121,23 @@ * application there is no payload. On success the kernel should send a * response using the following format. * - * Required attributes: + * If the IP address selectors are not used the following attribute is + * required: * * NLBL_MGMT_A_PROTOCOL * - * If using NETLBL_NLTYPE_CIPSOV4 the following attributes are required: + * If the IP address selectors are used then the following attritbute is + * required: + * + * NLBL_MGMT_A_SELECTORLIST + * + * If the mapping is using the NETLBL_NLTYPE_CIPSOV4 type then the following + * attributes are required: * * NLBL_MGMT_A_CV4DOI * - * If using NETLBL_NLTYPE_UNLABELED no other attributes are required. + * If the mapping is using the NETLBL_NLTYPE_UNLABELED type no other + * attributes are required. * * o PROTOCOLS: * Sent by an application to request a list of configured NetLabel protocols @@ -162,6 +191,26 @@ enum { NLBL_MGMT_A_CV4DOI, /* (NLA_U32) * the CIPSOv4 DOI value */ + NLBL_MGMT_A_IPV6ADDR, + /* (NLA_BINARY, struct in6_addr) + * an IPv6 address */ + NLBL_MGMT_A_IPV6MASK, + /* (NLA_BINARY, struct in6_addr) + * an IPv6 address mask */ + NLBL_MGMT_A_IPV4ADDR, + /* (NLA_BINARY, struct in_addr) + * an IPv4 address */ + NLBL_MGMT_A_IPV4MASK, + /* (NLA_BINARY, struct in_addr) + * and IPv4 address mask */ + NLBL_MGMT_A_ADDRSELECTOR, + /* (NLA_NESTED) + * an IP address selector, must contain an address, mask, and protocol + * attribute plus any protocol specific attributes */ + NLBL_MGMT_A_SELECTORLIST, + /* (NLA_NESTED) + * the selector list, there must be at least one + * NLBL_MGMT_A_ADDRSELECTOR attribute */ __NLBL_MGMT_A_MAX, }; #define NLBL_MGMT_A_MAX (__NLBL_MGMT_A_MAX - 1) diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index ab8131a8e489..e8a5c32b0f10 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -145,76 +145,6 @@ static const struct nla_policy netlbl_unlabel_genl_policy[NLBL_UNLABEL_A_MAX + 1 [NLBL_UNLABEL_A_SECCTX] = { .type = NLA_BINARY } }; -/* - * Audit Helper Functions - */ - -/** - * netlbl_unlabel_audit_addr4 - Audit an IPv4 address - * @audit_buf: audit buffer - * @dev: network interface - * @addr: IP address - * @mask: IP address mask - * - * Description: - * Write the IPv4 address and address mask, if necessary, to @audit_buf. - * - */ -static void netlbl_unlabel_audit_addr4(struct audit_buffer *audit_buf, - const char *dev, - __be32 addr, __be32 mask) -{ - u32 mask_val = ntohl(mask); - - if (dev != NULL) - audit_log_format(audit_buf, " netif=%s", dev); - audit_log_format(audit_buf, " src=" NIPQUAD_FMT, NIPQUAD(addr)); - if (mask_val != 0xffffffff) { - u32 mask_len = 0; - while (mask_val > 0) { - mask_val <<= 1; - mask_len++; - } - audit_log_format(audit_buf, " src_prefixlen=%d", mask_len); - } -} - -#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -/** - * netlbl_unlabel_audit_addr6 - Audit an IPv6 address - * @audit_buf: audit buffer - * @dev: network interface - * @addr: IP address - * @mask: IP address mask - * - * Description: - * Write the IPv6 address and address mask, if necessary, to @audit_buf. - * - */ -static void netlbl_unlabel_audit_addr6(struct audit_buffer *audit_buf, - const char *dev, - const struct in6_addr *addr, - const struct in6_addr *mask) -{ - if (dev != NULL) - audit_log_format(audit_buf, " netif=%s", dev); - audit_log_format(audit_buf, " src=" NIP6_FMT, NIP6(*addr)); - if (ntohl(mask->s6_addr32[3]) != 0xffffffff) { - u32 mask_len = 0; - u32 mask_val; - int iter = -1; - while (ntohl(mask->s6_addr32[++iter]) == 0xffffffff) - mask_len += 32; - mask_val = ntohl(mask->s6_addr32[iter]); - while (mask_val > 0) { - mask_val <<= 1; - mask_len++; - } - audit_log_format(audit_buf, " src_prefixlen=%d", mask_len); - } -} -#endif /* IPv6 */ - /* * Unlabeled Connection Hash Table Functions */ @@ -571,10 +501,10 @@ static int netlbl_unlhsh_add(struct net *net, mask4 = (struct in_addr *)mask; ret_val = netlbl_unlhsh_add_addr4(iface, addr4, mask4, secid); if (audit_buf != NULL) - netlbl_unlabel_audit_addr4(audit_buf, - dev_name, - addr4->s_addr, - mask4->s_addr); + netlbl_af4list_audit_addr(audit_buf, 1, + dev_name, + addr4->s_addr, + mask4->s_addr); break; } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) @@ -585,9 +515,9 @@ static int netlbl_unlhsh_add(struct net *net, mask6 = (struct in6_addr *)mask; ret_val = netlbl_unlhsh_add_addr6(iface, addr6, mask6, secid); if (audit_buf != NULL) - netlbl_unlabel_audit_addr6(audit_buf, - dev_name, - addr6, mask6); + netlbl_af6list_audit_addr(audit_buf, 1, + dev_name, + addr6, mask6); break; } #endif /* IPv6 */ @@ -652,9 +582,9 @@ static int netlbl_unlhsh_remove_addr4(struct net *net, audit_info); if (audit_buf != NULL) { dev = dev_get_by_index(net, iface->ifindex); - netlbl_unlabel_audit_addr4(audit_buf, - (dev != NULL ? dev->name : NULL), - addr->s_addr, mask->s_addr); + netlbl_af4list_audit_addr(audit_buf, 1, + (dev != NULL ? dev->name : NULL), + addr->s_addr, mask->s_addr); if (dev != NULL) dev_put(dev); if (entry && security_secid_to_secctx(entry->secid, @@ -712,9 +642,9 @@ static int netlbl_unlhsh_remove_addr6(struct net *net, audit_info); if (audit_buf != NULL) { dev = dev_get_by_index(net, iface->ifindex); - netlbl_unlabel_audit_addr6(audit_buf, - (dev != NULL ? dev->name : NULL), - addr, mask); + netlbl_af6list_audit_addr(audit_buf, 1, + (dev != NULL ? dev->name : NULL), + addr, mask); if (dev != NULL) dev_put(dev); if (entry && security_secid_to_secctx(entry->secid, -- GitLab From 948bf85c1bc9a84754786a9d5dd99b7ecc46451e Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:32 -0400 Subject: [PATCH 3451/6244] netlabel: Add functionality to set the security attributes of a packet This patch builds upon the new NetLabel address selector functionality by providing the NetLabel KAPI and CIPSO engine support needed to enable the new packet-based labeling. The only new addition to the NetLabel KAPI at this point is shown below: * int netlbl_skbuff_setattr(skb, family, secattr) ... and is designed to be called from a Netfilter hook after the packet's IP header has been populated such as in the FORWARD or LOCAL_OUT hooks. This patch also provides the necessary SELinux hooks to support this new functionality. Smack support is not currently included due to uncertainty regarding the permissions needed to expand the Smack network access controls. Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/cipso_ipv4.h | 16 ++ include/net/netlabel.h | 9 ++ net/ipv4/cipso_ipv4.c | 222 +++++++++++++++++++++++----- net/netlabel/netlabel_kapi.c | 60 ++++++++ security/selinux/hooks.c | 50 ++++++- security/selinux/include/netlabel.h | 9 ++ security/selinux/include/objsec.h | 1 + security/selinux/netlabel.c | 68 ++++++++- 8 files changed, 393 insertions(+), 42 deletions(-) diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index 5fe6556fb3c5..2ce093ba553d 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h @@ -208,6 +208,10 @@ int cipso_v4_sock_setattr(struct sock *sk, const struct cipso_v4_doi *doi_def, const struct netlbl_lsm_secattr *secattr); int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr); +int cipso_v4_skbuff_setattr(struct sk_buff *skb, + const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr); +int cipso_v4_skbuff_delattr(struct sk_buff *skb); int cipso_v4_skbuff_getattr(const struct sk_buff *skb, struct netlbl_lsm_secattr *secattr); int cipso_v4_validate(unsigned char **option); @@ -232,6 +236,18 @@ static inline int cipso_v4_sock_getattr(struct sock *sk, return -ENOSYS; } +static inline int cipso_v4_skbuff_setattr(struct sk_buff *skb, + const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr) +{ + return -ENOSYS; +} + +static inline int cipso_v4_skbuff_delattr(struct sk_buff *skb) +{ + return -ENOSYS; +} + static inline int cipso_v4_skbuff_getattr(const struct sk_buff *skb, struct netlbl_lsm_secattr *secattr) { diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 0729f8ce5042..3f67e6d49e40 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -382,6 +382,9 @@ int netlbl_sock_setattr(struct sock *sk, const struct netlbl_lsm_secattr *secattr); int netlbl_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr); +int netlbl_skbuff_setattr(struct sk_buff *skb, + u16 family, + const struct netlbl_lsm_secattr *secattr); int netlbl_skbuff_getattr(const struct sk_buff *skb, u16 family, struct netlbl_lsm_secattr *secattr); @@ -451,6 +454,12 @@ static inline int netlbl_sock_getattr(struct sock *sk, { return -ENOSYS; } +static inline int netlbl_skbuff_setattr(struct sk_buff *skb, + u16 family, + const struct netlbl_lsm_secattr *secattr) +{ + return -ENOSYS; +} static inline int netlbl_skbuff_getattr(const struct sk_buff *skb, u16 family, struct netlbl_lsm_secattr *secattr) diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index bf87eddfec30..e13d6dbb66ab 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -13,7 +13,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -1665,48 +1665,27 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) } /** - * cipso_v4_sock_setattr - Add a CIPSO option to a socket - * @sk: the socket + * cipso_v4_genopt - Generate a CIPSO option + * @buf: the option buffer + * @buf_len: the size of opt_buf * @doi_def: the CIPSO DOI to use - * @secattr: the specific security attributes of the socket + * @secattr: the security attributes * * Description: - * Set the CIPSO option on the given socket using the DOI definition and - * security attributes passed to the function. This function requires - * exclusive access to @sk, which means it either needs to be in the - * process of being created or locked. Returns zero on success and negative - * values on failure. + * Generate a CIPSO option using the DOI definition and security attributes + * passed to the function. Returns the length of the option on success and + * negative values on failure. * */ -int cipso_v4_sock_setattr(struct sock *sk, - const struct cipso_v4_doi *doi_def, - const struct netlbl_lsm_secattr *secattr) +static int cipso_v4_genopt(unsigned char *buf, u32 buf_len, + const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr) { - int ret_val = -EPERM; + int ret_val; u32 iter; - unsigned char *buf; - u32 buf_len = 0; - u32 opt_len; - struct ip_options *opt = NULL; - struct inet_sock *sk_inet; - struct inet_connection_sock *sk_conn; - - /* In the case of sock_create_lite(), the sock->sk field is not - * defined yet but it is not a problem as the only users of these - * "lite" PF_INET sockets are functions which do an accept() call - * afterwards so we will label the socket as part of the accept(). */ - if (sk == NULL) - return 0; - /* We allocate the maximum CIPSO option size here so we are probably - * being a little wasteful, but it makes our life _much_ easier later - * on and after all we are only talking about 40 bytes. */ - buf_len = CIPSO_V4_OPT_LEN_MAX; - buf = kmalloc(buf_len, GFP_ATOMIC); - if (buf == NULL) { - ret_val = -ENOMEM; - goto socket_setattr_failure; - } + if (buf_len <= CIPSO_V4_HDR_LEN) + return -ENOSPC; /* XXX - This code assumes only one tag per CIPSO option which isn't * really a good assumption to make but since we only support the MAC @@ -1734,8 +1713,7 @@ int cipso_v4_sock_setattr(struct sock *sk, buf_len - CIPSO_V4_HDR_LEN); break; default: - ret_val = -EPERM; - goto socket_setattr_failure; + return -EPERM; } iter++; @@ -1743,9 +1721,58 @@ int cipso_v4_sock_setattr(struct sock *sk, iter < CIPSO_V4_TAG_MAXCNT && doi_def->tags[iter] != CIPSO_V4_TAG_INVALID); if (ret_val < 0) - goto socket_setattr_failure; + return ret_val; cipso_v4_gentag_hdr(doi_def, buf, ret_val); - buf_len = CIPSO_V4_HDR_LEN + ret_val; + return CIPSO_V4_HDR_LEN + ret_val; +} + +/** + * cipso_v4_sock_setattr - Add a CIPSO option to a socket + * @sk: the socket + * @doi_def: the CIPSO DOI to use + * @secattr: the specific security attributes of the socket + * + * Description: + * Set the CIPSO option on the given socket using the DOI definition and + * security attributes passed to the function. This function requires + * exclusive access to @sk, which means it either needs to be in the + * process of being created or locked. Returns zero on success and negative + * values on failure. + * + */ +int cipso_v4_sock_setattr(struct sock *sk, + const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr) +{ + int ret_val = -EPERM; + unsigned char *buf = NULL; + u32 buf_len; + u32 opt_len; + struct ip_options *opt = NULL; + struct inet_sock *sk_inet; + struct inet_connection_sock *sk_conn; + + /* In the case of sock_create_lite(), the sock->sk field is not + * defined yet but it is not a problem as the only users of these + * "lite" PF_INET sockets are functions which do an accept() call + * afterwards so we will label the socket as part of the accept(). */ + if (sk == NULL) + return 0; + + /* We allocate the maximum CIPSO option size here so we are probably + * being a little wasteful, but it makes our life _much_ easier later + * on and after all we are only talking about 40 bytes. */ + buf_len = CIPSO_V4_OPT_LEN_MAX; + buf = kmalloc(buf_len, GFP_ATOMIC); + if (buf == NULL) { + ret_val = -ENOMEM; + goto socket_setattr_failure; + } + + ret_val = cipso_v4_genopt(buf, buf_len, doi_def, secattr); + if (ret_val < 0) + goto socket_setattr_failure; + buf_len = ret_val; /* We can't use ip_options_get() directly because it makes a call to * ip_options_get_alloc() which allocates memory with GFP_KERNEL and @@ -1853,6 +1880,123 @@ int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) secattr); } +/** + * cipso_v4_skbuff_setattr - Set the CIPSO option on a packet + * @skb: the packet + * @secattr: the security attributes + * + * Description: + * Set the CIPSO option on the given packet based on the security attributes. + * Returns a pointer to the IP header on success and NULL on failure. + * + */ +int cipso_v4_skbuff_setattr(struct sk_buff *skb, + const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr) +{ + int ret_val; + struct iphdr *iph; + struct ip_options *opt = &IPCB(skb)->opt; + unsigned char buf[CIPSO_V4_OPT_LEN_MAX]; + u32 buf_len = CIPSO_V4_OPT_LEN_MAX; + u32 opt_len; + int len_delta; + + buf_len = cipso_v4_genopt(buf, buf_len, doi_def, secattr); + if (buf_len < 0) + return buf_len; + opt_len = (buf_len + 3) & ~3; + + /* we overwrite any existing options to ensure that we have enough + * room for the CIPSO option, the reason is that we _need_ to guarantee + * that the security label is applied to the packet - we do the same + * thing when using the socket options and it hasn't caused a problem, + * if we need to we can always revisit this choice later */ + + len_delta = opt_len - opt->optlen; + /* if we don't ensure enough headroom we could panic on the skb_push() + * call below so make sure we have enough, we are also "mangling" the + * packet so we should probably do a copy-on-write call anyway */ + ret_val = skb_cow(skb, skb_headroom(skb) + len_delta); + if (ret_val < 0) + return ret_val; + + if (len_delta > 0) { + /* we assume that the header + opt->optlen have already been + * "pushed" in ip_options_build() or similar */ + iph = ip_hdr(skb); + skb_push(skb, len_delta); + memmove((char *)iph - len_delta, iph, iph->ihl << 2); + skb_reset_network_header(skb); + iph = ip_hdr(skb); + } else if (len_delta < 0) { + iph = ip_hdr(skb); + memset(iph + 1, IPOPT_NOP, opt->optlen); + } else + iph = ip_hdr(skb); + + if (opt->optlen > 0) + memset(opt, 0, sizeof(*opt)); + opt->optlen = opt_len; + opt->cipso = sizeof(struct iphdr); + opt->is_changed = 1; + + /* we have to do the following because we are being called from a + * netfilter hook which means the packet already has had the header + * fields populated and the checksum calculated - yes this means we + * are doing more work than needed but we do it to keep the core + * stack clean and tidy */ + memcpy(iph + 1, buf, buf_len); + if (opt_len > buf_len) + memset((char *)(iph + 1) + buf_len, 0, opt_len - buf_len); + if (len_delta != 0) { + iph->ihl = 5 + (opt_len >> 2); + iph->tot_len = htons(skb->len); + } + ip_send_check(iph); + + return 0; +} + +/** + * cipso_v4_skbuff_delattr - Delete any CIPSO options from a packet + * @skb: the packet + * + * Description: + * Removes any and all CIPSO options from the given packet. Returns zero on + * success, negative values on failure. + * + */ +int cipso_v4_skbuff_delattr(struct sk_buff *skb) +{ + int ret_val; + struct iphdr *iph; + struct ip_options *opt = &IPCB(skb)->opt; + unsigned char *cipso_ptr; + + if (opt->cipso == 0) + return 0; + + /* since we are changing the packet we should make a copy */ + ret_val = skb_cow(skb, skb_headroom(skb)); + if (ret_val < 0) + return ret_val; + + /* the easiest thing to do is just replace the cipso option with noop + * options since we don't change the size of the packet, although we + * still need to recalculate the checksum */ + + iph = ip_hdr(skb); + cipso_ptr = (unsigned char *)iph + opt->cipso; + memset(cipso_ptr, IPOPT_NOOP, cipso_ptr[1]); + opt->cipso = 0; + opt->is_changed = 1; + + ip_send_check(iph); + + return 0; +} + /** * cipso_v4_skbuff_getattr - Get the security attributes from the CIPSO option * @skb: the packet diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 8b820dc98060..cc8047d1f505 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -472,6 +472,66 @@ int netlbl_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) return cipso_v4_sock_getattr(sk, secattr); } +/** + * netlbl_skbuff_setattr - Label a packet using the correct protocol + * @skb: the packet + * @family: protocol family + * @secattr: the security attributes + * + * Description: + * Attach the correct label to the given packet using the security attributes + * specified in @secattr. Returns zero on success, negative values on failure. + * + */ +int netlbl_skbuff_setattr(struct sk_buff *skb, + u16 family, + const struct netlbl_lsm_secattr *secattr) +{ + int ret_val; + struct iphdr *hdr4; + struct netlbl_domaddr4_map *af4_entry; + + rcu_read_lock(); + switch (family) { + case AF_INET: + hdr4 = ip_hdr(skb); + af4_entry = netlbl_domhsh_getentry_af4(secattr->domain, + hdr4->daddr); + if (af4_entry == NULL) { + ret_val = -ENOENT; + goto skbuff_setattr_return; + } + switch (af4_entry->type) { + case NETLBL_NLTYPE_CIPSOV4: + ret_val = cipso_v4_skbuff_setattr(skb, + af4_entry->type_def.cipsov4, + secattr); + break; + case NETLBL_NLTYPE_UNLABELED: + /* just delete the protocols we support for right now + * but we could remove other protocols if needed */ + ret_val = cipso_v4_skbuff_delattr(skb); + break; + default: + ret_val = -ENOENT; + } + break; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + case AF_INET6: + /* since we don't support any IPv6 labeling protocols right + * now we can optimize everything away until we do */ + ret_val = 0; + break; +#endif /* IPv6 */ + default: + ret_val = 0; + } + +skbuff_setattr_return: + rcu_read_unlock(); + return ret_val; +} + /** * netlbl_skbuff_getattr - Determine the security attributes of a packet * @skb: the packet diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index a91146a6b37d..7432bdd5d367 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4407,13 +4407,15 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, u32 peer_sid; struct avc_audit_data ad; u8 secmark_active; + u8 netlbl_active; u8 peerlbl_active; if (!selinux_policycap_netpeer) return NF_ACCEPT; secmark_active = selinux_secmark_enabled(); - peerlbl_active = netlbl_enabled() || selinux_xfrm_enabled(); + netlbl_active = netlbl_enabled(); + peerlbl_active = netlbl_active || selinux_xfrm_enabled(); if (!secmark_active && !peerlbl_active) return NF_ACCEPT; @@ -4440,6 +4442,14 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex, SECCLASS_PACKET, PACKET__FORWARD_IN, &ad)) return NF_DROP; + if (netlbl_active) + /* we do this in the FORWARD path and not the POST_ROUTING + * path because we want to make sure we apply the necessary + * labeling before IPsec is applied so we can leverage AH + * protection */ + if (selinux_netlbl_skbuff_setsid(skb, family, peer_sid) != 0) + return NF_DROP; + return NF_ACCEPT; } @@ -4463,6 +4473,37 @@ static unsigned int selinux_ipv6_forward(unsigned int hooknum, } #endif /* IPV6 */ +static unsigned int selinux_ip_output(struct sk_buff *skb, + u16 family) +{ + u32 sid; + + if (!netlbl_enabled()) + return NF_ACCEPT; + + /* we do this in the LOCAL_OUT path and not the POST_ROUTING path + * because we want to make sure we apply the necessary labeling + * before IPsec is applied so we can leverage AH protection */ + if (skb->sk) { + struct sk_security_struct *sksec = skb->sk->sk_security; + sid = sksec->sid; + } else + sid = SECINITSID_KERNEL; + if (selinux_netlbl_skbuff_setsid(skb, family, sid) != 0) + return NF_DROP; + + return NF_ACCEPT; +} + +static unsigned int selinux_ipv4_output(unsigned int hooknum, + struct sk_buff *skb, + const struct net_device *in, + const struct net_device *out, + int (*okfn)(struct sk_buff *)) +{ + return selinux_ip_output(skb, PF_INET); +} + static int selinux_ip_postroute_iptables_compat(struct sock *sk, int ifindex, struct avc_audit_data *ad, @@ -5700,6 +5741,13 @@ static struct nf_hook_ops selinux_ipv4_ops[] = { .pf = PF_INET, .hooknum = NF_INET_FORWARD, .priority = NF_IP_PRI_SELINUX_FIRST, + }, + { + .hook = selinux_ipv4_output, + .owner = THIS_MODULE, + .pf = PF_INET, + .hooknum = NF_INET_LOCAL_OUT, + .priority = NF_IP_PRI_SELINUX_FIRST, } }; diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h index d4e3ac8a7fbf..b3e6ae071fc3 100644 --- a/security/selinux/include/netlabel.h +++ b/security/selinux/include/netlabel.h @@ -48,6 +48,9 @@ int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, u16 family, u32 *type, u32 *sid); +int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, + u16 family, + u32 sid); void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock); int selinux_netlbl_socket_post_create(struct socket *sock); @@ -88,6 +91,12 @@ static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, *sid = SECSID_NULL; return 0; } +static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, + u16 family, + u32 sid) +{ + return 0; +} static inline void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index 91070ab874ce..f46dd1c3d01c 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -117,6 +117,7 @@ struct sk_security_struct { NLBL_UNSET = 0, NLBL_REQUIRE, NLBL_LABELED, + NLBL_REQSKB, } nlbl_state; #endif }; diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index 4053f7fc95fb..090404d6e512 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -9,7 +9,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2007 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2007, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,6 +31,8 @@ #include #include #include +#include +#include #include "objsec.h" #include "security.h" @@ -77,6 +79,8 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) int rc; struct sk_security_struct *sksec = sk->sk_security; struct netlbl_lsm_secattr secattr; + struct inet_sock *sk_inet; + struct inet_connection_sock *sk_conn; if (sksec->nlbl_state != NLBL_REQUIRE) return 0; @@ -87,8 +91,29 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) if (rc != 0) goto sock_setsid_return; rc = netlbl_sock_setattr(sk, &secattr); - if (rc == 0) + switch (rc) { + case 0: sksec->nlbl_state = NLBL_LABELED; + break; + case -EDESTADDRREQ: + /* we are going to possibly end up labeling the individual + * packets later which is problematic for stream sockets + * because of the additional IP header size, our solution is to + * allow for the maximum IP header length (40 bytes for IPv4, + * we don't have to worry about IPv6 yet) just in case */ + sk_inet = inet_sk(sk); + if (sk_inet->is_icsk) { + sk_conn = inet_csk(sk); + if (sk_inet->opt) + sk_conn->icsk_ext_hdr_len -= + sk_inet->opt->optlen; + sk_conn->icsk_ext_hdr_len += 40; + sk_conn->icsk_sync_mss(sk, sk_conn->icsk_pmtu_cookie); + } + sksec->nlbl_state = NLBL_REQSKB; + rc = 0; + break; + } sock_setsid_return: netlbl_secattr_destroy(&secattr); @@ -182,6 +207,45 @@ int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, return rc; } +/** + * selinux_netlbl_skbuff_setsid - Set the NetLabel on a packet given a sid + * @skb: the packet + * @family: protocol family + * @sid: the SID + * + * Description + * Call the NetLabel mechanism to set the label of a packet using @sid. + * Returns zero on auccess, negative values on failure. + * + */ +int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, + u16 family, + u32 sid) +{ + int rc; + struct netlbl_lsm_secattr secattr; + struct sock *sk; + + /* if this is a locally generated packet check to see if it is already + * being labeled by it's parent socket, if it is just exit */ + sk = skb->sk; + if (sk != NULL) { + struct sk_security_struct *sksec = sk->sk_security; + if (sksec->nlbl_state != NLBL_REQSKB) + return 0; + } + + netlbl_secattr_init(&secattr); + rc = security_netlbl_sid_to_secattr(sid, &secattr); + if (rc != 0) + goto skbuff_setsid_return; + rc = netlbl_skbuff_setattr(skb, family, &secattr); + +skbuff_setsid_return: + netlbl_secattr_destroy(&secattr); + return rc; +} + /** * selinux_netlbl_sock_graft - Netlabel the new socket * @sk: the new connection -- GitLab From 014ab19a69c325f52d7bae54ceeda73d6307ae0c Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:33 -0400 Subject: [PATCH 3452/6244] selinux: Set socket NetLabel based on connection endpoint Previous work enabled the use of address based NetLabel selectors, which while highly useful, brought the potential for additional per-packet overhead when used. This patch attempts to solve that by applying NetLabel socket labels when sockets are connect()'d. This should alleviate the per-packet NetLabel labeling for all connected sockets (yes, it even works for connected DGRAM sockets). Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/cipso_ipv4.h | 5 + include/net/netlabel.h | 13 +++ net/ipv4/cipso_ipv4.c | 74 ++++++++++++++ net/netlabel/netlabel_kapi.c | 78 ++++++++++++++- security/selinux/hooks.c | 11 ++- security/selinux/include/netlabel.h | 19 +++- security/selinux/include/objsec.h | 1 + security/selinux/netlabel.c | 147 ++++++++++++++++++++++------ 8 files changed, 311 insertions(+), 37 deletions(-) diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index 2ce093ba553d..811febf97caf 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h @@ -207,6 +207,7 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway); int cipso_v4_sock_setattr(struct sock *sk, const struct cipso_v4_doi *doi_def, const struct netlbl_lsm_secattr *secattr); +void cipso_v4_sock_delattr(struct sock *sk); int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr); int cipso_v4_skbuff_setattr(struct sk_buff *skb, const struct cipso_v4_doi *doi_def, @@ -230,6 +231,10 @@ static inline int cipso_v4_sock_setattr(struct sock *sk, return -ENOSYS; } +static inline void cipso_v4_sock_delattr(struct sock *sk) +{ +} + static inline int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) { diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 3f67e6d49e40..074cad40ac66 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -380,8 +380,12 @@ int netlbl_secattr_catmap_setrng(struct netlbl_lsm_secattr_catmap *catmap, int netlbl_enabled(void); int netlbl_sock_setattr(struct sock *sk, const struct netlbl_lsm_secattr *secattr); +void netlbl_sock_delattr(struct sock *sk); int netlbl_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr); +int netlbl_conn_setattr(struct sock *sk, + struct sockaddr *addr, + const struct netlbl_lsm_secattr *secattr); int netlbl_skbuff_setattr(struct sk_buff *skb, u16 family, const struct netlbl_lsm_secattr *secattr); @@ -449,11 +453,20 @@ static inline int netlbl_sock_setattr(struct sock *sk, { return -ENOSYS; } +static inline void netlbl_sock_delattr(struct sock *sk) +{ +} static inline int netlbl_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) { return -ENOSYS; } +static inline int netlbl_conn_setattr(struct sock *sk, + struct sockaddr *addr, + const struct netlbl_lsm_secattr *secattr) +{ + return -ENOSYS; +} static inline int netlbl_skbuff_setattr(struct sk_buff *skb, u16 family, const struct netlbl_lsm_secattr *secattr) diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index e13d6dbb66ab..23768b9d6b64 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1809,6 +1809,80 @@ socket_setattr_failure: return ret_val; } +/** + * cipso_v4_sock_delattr - Delete the CIPSO option from a socket + * @sk: the socket + * + * Description: + * Removes the CIPSO option from a socket, if present. + * + */ +void cipso_v4_sock_delattr(struct sock *sk) +{ + u8 hdr_delta; + struct ip_options *opt; + struct inet_sock *sk_inet; + + sk_inet = inet_sk(sk); + opt = sk_inet->opt; + if (opt == NULL || opt->cipso == 0) + return; + + if (opt->srr || opt->rr || opt->ts || opt->router_alert) { + u8 cipso_len; + u8 cipso_off; + unsigned char *cipso_ptr; + int iter; + int optlen_new; + + cipso_off = opt->cipso - sizeof(struct iphdr); + cipso_ptr = &opt->__data[cipso_off]; + cipso_len = cipso_ptr[1]; + + if (opt->srr > opt->cipso) + opt->srr -= cipso_len; + if (opt->rr > opt->cipso) + opt->rr -= cipso_len; + if (opt->ts > opt->cipso) + opt->ts -= cipso_len; + if (opt->router_alert > opt->cipso) + opt->router_alert -= cipso_len; + opt->cipso = 0; + + memmove(cipso_ptr, cipso_ptr + cipso_len, + opt->optlen - cipso_off - cipso_len); + + /* determining the new total option length is tricky because of + * the padding necessary, the only thing i can think to do at + * this point is walk the options one-by-one, skipping the + * padding at the end to determine the actual option size and + * from there we can determine the new total option length */ + iter = 0; + optlen_new = 0; + while (iter < opt->optlen) + if (opt->__data[iter] != IPOPT_NOP) { + iter += opt->__data[iter + 1]; + optlen_new = iter; + } else + iter++; + hdr_delta = opt->optlen; + opt->optlen = (optlen_new + 3) & ~3; + hdr_delta -= opt->optlen; + } else { + /* only the cipso option was present on the socket so we can + * remove the entire option struct */ + sk_inet->opt = NULL; + hdr_delta = opt->optlen; + kfree(opt); + } + + if (sk_inet->is_icsk && hdr_delta > 0) { + struct inet_connection_sock *sk_conn = inet_csk(sk); + sk_conn->icsk_ext_hdr_len -= hdr_delta; + sk_conn->icsk_sync_mss(sk, sk_conn->icsk_pmtu_cookie); + } +} + /** * cipso_v4_getattr - Helper function for the cipso_v4_*_getattr functions * @cipso: the CIPSO v4 option diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index cc8047d1f505..78fc557689b2 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -10,7 +10,7 @@ */ /* - * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 + * (c) Copyright Hewlett-Packard Development Company, L.P., 2006, 2008 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -455,6 +455,20 @@ socket_setattr_return: return ret_val; } +/** + * netlbl_sock_delattr - Delete all the NetLabel labels on a socket + * @sk: the socket + * + * Description: + * Remove all the NetLabel labeling from @sk. The caller is responsible for + * ensuring that @sk is locked. + * + */ +void netlbl_sock_delattr(struct sock *sk) +{ + cipso_v4_sock_delattr(sk); +} + /** * netlbl_sock_getattr - Determine the security attributes of a sock * @sk: the sock @@ -472,6 +486,68 @@ int netlbl_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr) return cipso_v4_sock_getattr(sk, secattr); } +/** + * netlbl_conn_setattr - Label a connected socket using the correct protocol + * @sk: the socket to label + * @addr: the destination address + * @secattr: the security attributes + * + * Description: + * Attach the correct label to the given connected socket using the security + * attributes specified in @secattr. The caller is responsible for ensuring + * that @sk is locked. Returns zero on success, negative values on failure. + * + */ +int netlbl_conn_setattr(struct sock *sk, + struct sockaddr *addr, + const struct netlbl_lsm_secattr *secattr) +{ + int ret_val; + struct sockaddr_in *addr4; + struct netlbl_domaddr4_map *af4_entry; + + rcu_read_lock(); + switch (addr->sa_family) { + case AF_INET: + addr4 = (struct sockaddr_in *)addr; + af4_entry = netlbl_domhsh_getentry_af4(secattr->domain, + addr4->sin_addr.s_addr); + if (af4_entry == NULL) { + ret_val = -ENOENT; + goto conn_setattr_return; + } + switch (af4_entry->type) { + case NETLBL_NLTYPE_CIPSOV4: + ret_val = cipso_v4_sock_setattr(sk, + af4_entry->type_def.cipsov4, + secattr); + break; + case NETLBL_NLTYPE_UNLABELED: + /* just delete the protocols we support for right now + * but we could remove other protocols if needed */ + cipso_v4_sock_delattr(sk); + ret_val = 0; + break; + default: + ret_val = -ENOENT; + } + break; +#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) + case AF_INET6: + /* since we don't support any IPv6 labeling protocols right + * now we can optimize everything away until we do */ + ret_val = 0; + break; +#endif /* IPv6 */ + default: + ret_val = 0; + } + +conn_setattr_return: + rcu_read_unlock(); + return ret_val; +} + /** * netlbl_skbuff_setattr - Label a packet using the correct protocol * @skb: the packet diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 7432bdd5d367..632ac3e80a61 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3794,6 +3794,7 @@ out: static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen) { + struct sock *sk = sock->sk; struct inode_security_struct *isec; int err; @@ -3807,7 +3808,6 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, isec = SOCK_INODE(sock)->i_security; if (isec->sclass == SECCLASS_TCP_SOCKET || isec->sclass == SECCLASS_DCCP_SOCKET) { - struct sock *sk = sock->sk; struct avc_audit_data ad; struct sockaddr_in *addr4 = NULL; struct sockaddr_in6 *addr6 = NULL; @@ -3841,6 +3841,8 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, goto out; } + err = selinux_netlbl_socket_connect(sk, address); + out: return err; } @@ -4290,8 +4292,6 @@ static void selinux_sock_graft(struct sock *sk, struct socket *parent) sk->sk_family == PF_UNIX) isec->sid = sksec->sid; sksec->sclass = isec->sclass; - - selinux_netlbl_sock_graft(sk, parent); } static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb, @@ -4342,8 +4342,7 @@ static void selinux_inet_csk_clone(struct sock *newsk, selinux_netlbl_sk_security_reset(newsksec, req->rsk_ops->family); } -static void selinux_inet_conn_established(struct sock *sk, - struct sk_buff *skb) +static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb) { u16 family = sk->sk_family; struct sk_security_struct *sksec = sk->sk_security; @@ -4353,6 +4352,8 @@ static void selinux_inet_conn_established(struct sock *sk, family = PF_INET; selinux_skb_peerlbl_sid(skb, family, &sksec->peer_sid); + + selinux_netlbl_inet_conn_established(sk, family); } static void selinux_req_classify_flow(const struct request_sock *req, diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h index b3e6ae071fc3..982bac0ac328 100644 --- a/security/selinux/include/netlabel.h +++ b/security/selinux/include/netlabel.h @@ -52,7 +52,7 @@ int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, u16 family, u32 sid); -void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock); +void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family); int selinux_netlbl_socket_post_create(struct socket *sock); int selinux_netlbl_inode_permission(struct inode *inode, int mask); int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, @@ -62,6 +62,8 @@ int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, int selinux_netlbl_socket_setsockopt(struct socket *sock, int level, int optname); +int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr); + #else static inline void selinux_netlbl_cache_invalidate(void) { @@ -98,8 +100,14 @@ static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, return 0; } -static inline void selinux_netlbl_sock_graft(struct sock *sk, - struct socket *sock) +static inline int selinux_netlbl_conn_setsid(struct sock *sk, + struct sockaddr *addr) +{ + return 0; +} + +static inline void selinux_netlbl_inet_conn_established(struct sock *sk, + u16 family) { return; } @@ -125,6 +133,11 @@ static inline int selinux_netlbl_socket_setsockopt(struct socket *sock, { return 0; } +static inline int selinux_netlbl_socket_connect(struct sock *sk, + struct sockaddr *addr) +{ + return 0; +} #endif /* CONFIG_NETLABEL */ #endif diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index f46dd1c3d01c..ad34787c6c02 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -118,6 +118,7 @@ struct sk_security_struct { NLBL_REQUIRE, NLBL_LABELED, NLBL_REQSKB, + NLBL_CONNLABELED, } nlbl_state; #endif }; diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index 090404d6e512..b22b7dafa0e3 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -29,10 +29,12 @@ #include #include +#include +#include #include #include -#include -#include +#include +#include #include "objsec.h" #include "security.h" @@ -79,8 +81,6 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) int rc; struct sk_security_struct *sksec = sk->sk_security; struct netlbl_lsm_secattr secattr; - struct inet_sock *sk_inet; - struct inet_connection_sock *sk_conn; if (sksec->nlbl_state != NLBL_REQUIRE) return 0; @@ -96,20 +96,6 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) sksec->nlbl_state = NLBL_LABELED; break; case -EDESTADDRREQ: - /* we are going to possibly end up labeling the individual - * packets later which is problematic for stream sockets - * because of the additional IP header size, our solution is to - * allow for the maximum IP header length (40 bytes for IPv4, - * we don't have to worry about IPv6 yet) just in case */ - sk_inet = inet_sk(sk); - if (sk_inet->is_icsk) { - sk_conn = inet_csk(sk); - if (sk_inet->opt) - sk_conn->icsk_ext_hdr_len -= - sk_inet->opt->optlen; - sk_conn->icsk_ext_hdr_len += 40; - sk_conn->icsk_sync_mss(sk, sk_conn->icsk_pmtu_cookie); - } sksec->nlbl_state = NLBL_REQSKB; rc = 0; break; @@ -247,21 +233,77 @@ skbuff_setsid_return: } /** - * selinux_netlbl_sock_graft - Netlabel the new socket + * selinux_netlbl_inet_conn_established - Netlabel the newly accepted connection * @sk: the new connection - * @sock: the new socket * * Description: - * The connection represented by @sk is being grafted onto @sock so set the - * socket's NetLabel to match the SID of @sk. + * A new connection has been established on @sk so make sure it is labeled + * correctly with the NetLabel susbsystem. * */ -void selinux_netlbl_sock_graft(struct sock *sk, struct socket *sock) +void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family) { - /* Try to set the NetLabel on the socket to save time later, if we fail - * here we will pick up the pieces in later calls to - * selinux_netlbl_inode_permission(). */ - selinux_netlbl_sock_setsid(sk); + int rc; + struct sk_security_struct *sksec = sk->sk_security; + struct netlbl_lsm_secattr secattr; + struct inet_sock *sk_inet = inet_sk(sk); + struct sockaddr_in addr; + + if (sksec->nlbl_state != NLBL_REQUIRE) + return; + + netlbl_secattr_init(&secattr); + if (security_netlbl_sid_to_secattr(sksec->sid, &secattr) != 0) + goto inet_conn_established_return; + + rc = netlbl_sock_setattr(sk, &secattr); + switch (rc) { + case 0: + sksec->nlbl_state = NLBL_LABELED; + break; + case -EDESTADDRREQ: + /* no PF_INET6 support yet because we don't support any IPv6 + * labeling protocols */ + if (family != PF_INET) { + sksec->nlbl_state = NLBL_UNSET; + goto inet_conn_established_return; + } + + addr.sin_family = family; + addr.sin_addr.s_addr = sk_inet->daddr; + if (netlbl_conn_setattr(sk, (struct sockaddr *)&addr, + &secattr) != 0) { + /* we failed to label the connected socket (could be + * for a variety of reasons, the actual "why" isn't + * important here) so we have to go to our backup plan, + * labeling the packets individually in the netfilter + * local output hook. this is okay but we need to + * adjust the MSS of the connection to take into + * account any labeling overhead, since we don't know + * the exact overhead at this point we'll use the worst + * case value which is 40 bytes for IPv4 */ + struct inet_connection_sock *sk_conn = inet_csk(sk); + sk_conn->icsk_ext_hdr_len += 40 - + (sk_inet->opt ? sk_inet->opt->optlen : 0); + sk_conn->icsk_sync_mss(sk, sk_conn->icsk_pmtu_cookie); + + sksec->nlbl_state = NLBL_REQSKB; + } else + sksec->nlbl_state = NLBL_CONNLABELED; + break; + default: + /* note that we are failing to label the socket which could be + * a bad thing since it means traffic could leave the system + * without the desired labeling, however, all is not lost as + * we have a check in selinux_netlbl_inode_permission() to + * pick up the pieces that we might drop here because we can't + * return an error code */ + break; + } + +inet_conn_established_return: + netlbl_secattr_destroy(&secattr); + return; } /** @@ -398,7 +440,8 @@ int selinux_netlbl_socket_setsockopt(struct socket *sock, struct netlbl_lsm_secattr secattr; if (level == IPPROTO_IP && optname == IP_OPTIONS && - sksec->nlbl_state == NLBL_LABELED) { + (sksec->nlbl_state == NLBL_LABELED || + sksec->nlbl_state == NLBL_CONNLABELED)) { netlbl_secattr_init(&secattr); lock_sock(sk); rc = netlbl_sock_getattr(sk, &secattr); @@ -410,3 +453,51 @@ int selinux_netlbl_socket_setsockopt(struct socket *sock, return rc; } + +/** + * selinux_netlbl_socket_connect - Label a client-side socket on connect + * @sk: the socket to label + * @addr: the destination address + * + * Description: + * Attempt to label a connected socket with NetLabel using the given address. + * Returns zero values on success, negative values on failure. + * + */ +int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr) +{ + int rc; + struct sk_security_struct *sksec = sk->sk_security; + struct netlbl_lsm_secattr secattr; + + if (sksec->nlbl_state != NLBL_REQSKB && + sksec->nlbl_state != NLBL_CONNLABELED) + return 0; + + netlbl_secattr_init(&secattr); + local_bh_disable(); + bh_lock_sock_nested(sk); + + /* connected sockets are allowed to disconnect when the address family + * is set to AF_UNSPEC, if that is what is happening we want to reset + * the socket */ + if (addr->sa_family == AF_UNSPEC) { + netlbl_sock_delattr(sk); + sksec->nlbl_state = NLBL_REQSKB; + rc = 0; + goto socket_connect_return; + } + rc = security_netlbl_sid_to_secattr(sksec->sid, &secattr); + if (rc != 0) + goto socket_connect_return; + rc = netlbl_conn_setattr(sk, addr, &secattr); + if (rc != 0) + goto socket_connect_return; + sksec->nlbl_state = NLBL_CONNLABELED; + +socket_connect_return: + bh_unlock_sock(sk); + local_bh_enable(); + netlbl_secattr_destroy(&secattr); + return rc; +} -- GitLab From 6c5b3fc0147f79d714d2fe748b5869d7892ef2e7 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:33 -0400 Subject: [PATCH 3453/6244] selinux: Cache NetLabel secattrs in the socket's security struct Previous work enabled the use of address based NetLabel selectors, which while highly useful, brought the potential for additional per-packet overhead when used. This patch attempts to mitigate some of that overhead by caching the NetLabel security attribute struct within the SELinux socket security structure. This should help eliminate the need to recreate the NetLabel secattr structure for each packet resulting in less overhead. Signed-off-by: Paul Moore Acked-by: James Morris --- security/selinux/hooks.c | 1 + security/selinux/include/netlabel.h | 7 ++ security/selinux/include/objsec.h | 7 +- security/selinux/netlabel.c | 115 +++++++++++++++++++--------- 4 files changed, 91 insertions(+), 39 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 632ac3e80a61..3aa811eba25b 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -291,6 +291,7 @@ static void sk_free_security(struct sock *sk) struct sk_security_struct *ssec = sk->sk_security; sk->sk_security = NULL; + selinux_netlbl_sk_security_free(ssec); kfree(ssec); } diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h index 982bac0ac328..b913c8d06038 100644 --- a/security/selinux/include/netlabel.h +++ b/security/selinux/include/netlabel.h @@ -41,6 +41,7 @@ void selinux_netlbl_cache_invalidate(void); void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway); +void selinux_netlbl_sk_security_free(struct sk_security_struct *ssec); void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec, int family); @@ -77,6 +78,12 @@ static inline void selinux_netlbl_err(struct sk_buff *skb, return; } +static inline void selinux_netlbl_sk_security_free( + struct sk_security_struct *ssec) +{ + return; +} + static inline void selinux_netlbl_sk_security_reset( struct sk_security_struct *ssec, int family) diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index ad34787c6c02..f8be8d7fa26d 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -109,9 +109,6 @@ struct netport_security_struct { }; struct sk_security_struct { - u32 sid; /* SID of this object */ - u32 peer_sid; /* SID of peer */ - u16 sclass; /* sock security class */ #ifdef CONFIG_NETLABEL enum { /* NetLabel state */ NLBL_UNSET = 0, @@ -120,7 +117,11 @@ struct sk_security_struct { NLBL_REQSKB, NLBL_CONNLABELED, } nlbl_state; + struct netlbl_lsm_secattr *nlbl_secattr; /* NetLabel sec attributes */ #endif + u32 sid; /* SID of this object */ + u32 peer_sid; /* SID of peer */ + u16 sclass; /* sock security class */ }; struct key_security_struct { diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index b22b7dafa0e3..f58701a7b728 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -67,6 +67,38 @@ static int selinux_netlbl_sidlookup_cached(struct sk_buff *skb, return rc; } +/** + * selinux_netlbl_sock_genattr - Generate the NetLabel socket secattr + * @sk: the socket + * + * Description: + * Generate the NetLabel security attributes for a socket, making full use of + * the socket's attribute cache. Returns a pointer to the security attributes + * on success, NULL on failure. + * + */ +static struct netlbl_lsm_secattr *selinux_netlbl_sock_genattr(struct sock *sk) +{ + int rc; + struct sk_security_struct *sksec = sk->sk_security; + struct netlbl_lsm_secattr *secattr; + + if (sksec->nlbl_secattr != NULL) + return sksec->nlbl_secattr; + + secattr = netlbl_secattr_alloc(GFP_ATOMIC); + if (secattr == NULL) + return NULL; + rc = security_netlbl_sid_to_secattr(sksec->sid, secattr); + if (rc != 0) { + netlbl_secattr_free(secattr); + return NULL; + } + sksec->nlbl_secattr = secattr; + + return secattr; +} + /** * selinux_netlbl_sock_setsid - Label a socket using the NetLabel mechanism * @sk: the socket to label @@ -80,17 +112,15 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) { int rc; struct sk_security_struct *sksec = sk->sk_security; - struct netlbl_lsm_secattr secattr; + struct netlbl_lsm_secattr *secattr; if (sksec->nlbl_state != NLBL_REQUIRE) return 0; - netlbl_secattr_init(&secattr); - - rc = security_netlbl_sid_to_secattr(sksec->sid, &secattr); - if (rc != 0) - goto sock_setsid_return; - rc = netlbl_sock_setattr(sk, &secattr); + secattr = selinux_netlbl_sock_genattr(sk); + if (secattr == NULL) + return -ENOMEM; + rc = netlbl_sock_setattr(sk, secattr); switch (rc) { case 0: sksec->nlbl_state = NLBL_LABELED; @@ -101,8 +131,6 @@ static int selinux_netlbl_sock_setsid(struct sock *sk) break; } -sock_setsid_return: - netlbl_secattr_destroy(&secattr); return rc; } @@ -136,6 +164,20 @@ void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway) netlbl_skbuff_err(skb, error, gateway); } +/** + * selinux_netlbl_sk_security_free - Free the NetLabel fields + * @sssec: the sk_security_struct + * + * Description: + * Free all of the memory in the NetLabel fields of a sk_security_struct. + * + */ +void selinux_netlbl_sk_security_free(struct sk_security_struct *ssec) +{ + if (ssec->nlbl_secattr != NULL) + netlbl_secattr_free(ssec->nlbl_secattr); +} + /** * selinux_netlbl_sk_security_reset - Reset the NetLabel fields * @ssec: the sk_security_struct @@ -209,7 +251,8 @@ int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, u32 sid) { int rc; - struct netlbl_lsm_secattr secattr; + struct netlbl_lsm_secattr secattr_storage; + struct netlbl_lsm_secattr *secattr = NULL; struct sock *sk; /* if this is a locally generated packet check to see if it is already @@ -219,16 +262,21 @@ int selinux_netlbl_skbuff_setsid(struct sk_buff *skb, struct sk_security_struct *sksec = sk->sk_security; if (sksec->nlbl_state != NLBL_REQSKB) return 0; + secattr = sksec->nlbl_secattr; + } + if (secattr == NULL) { + secattr = &secattr_storage; + netlbl_secattr_init(secattr); + rc = security_netlbl_sid_to_secattr(sid, secattr); + if (rc != 0) + goto skbuff_setsid_return; } - netlbl_secattr_init(&secattr); - rc = security_netlbl_sid_to_secattr(sid, &secattr); - if (rc != 0) - goto skbuff_setsid_return; - rc = netlbl_skbuff_setattr(skb, family, &secattr); + rc = netlbl_skbuff_setattr(skb, family, secattr); skbuff_setsid_return: - netlbl_secattr_destroy(&secattr); + if (secattr == &secattr_storage) + netlbl_secattr_destroy(secattr); return rc; } @@ -245,18 +293,18 @@ void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family) { int rc; struct sk_security_struct *sksec = sk->sk_security; - struct netlbl_lsm_secattr secattr; + struct netlbl_lsm_secattr *secattr; struct inet_sock *sk_inet = inet_sk(sk); struct sockaddr_in addr; if (sksec->nlbl_state != NLBL_REQUIRE) return; - netlbl_secattr_init(&secattr); - if (security_netlbl_sid_to_secattr(sksec->sid, &secattr) != 0) - goto inet_conn_established_return; + secattr = selinux_netlbl_sock_genattr(sk); + if (secattr == NULL) + return; - rc = netlbl_sock_setattr(sk, &secattr); + rc = netlbl_sock_setattr(sk, secattr); switch (rc) { case 0: sksec->nlbl_state = NLBL_LABELED; @@ -266,13 +314,13 @@ void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family) * labeling protocols */ if (family != PF_INET) { sksec->nlbl_state = NLBL_UNSET; - goto inet_conn_established_return; + return; } addr.sin_family = family; addr.sin_addr.s_addr = sk_inet->daddr; if (netlbl_conn_setattr(sk, (struct sockaddr *)&addr, - &secattr) != 0) { + secattr) != 0) { /* we failed to label the connected socket (could be * for a variety of reasons, the actual "why" isn't * important here) so we have to go to our backup plan, @@ -300,10 +348,6 @@ void selinux_netlbl_inet_conn_established(struct sock *sk, u16 family) * return an error code */ break; } - -inet_conn_established_return: - netlbl_secattr_destroy(&secattr); - return; } /** @@ -468,13 +512,12 @@ int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr) { int rc; struct sk_security_struct *sksec = sk->sk_security; - struct netlbl_lsm_secattr secattr; + struct netlbl_lsm_secattr *secattr; if (sksec->nlbl_state != NLBL_REQSKB && sksec->nlbl_state != NLBL_CONNLABELED) return 0; - netlbl_secattr_init(&secattr); local_bh_disable(); bh_lock_sock_nested(sk); @@ -487,17 +530,17 @@ int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr) rc = 0; goto socket_connect_return; } - rc = security_netlbl_sid_to_secattr(sksec->sid, &secattr); - if (rc != 0) + secattr = selinux_netlbl_sock_genattr(sk); + if (secattr == NULL) { + rc = -ENOMEM; goto socket_connect_return; - rc = netlbl_conn_setattr(sk, addr, &secattr); - if (rc != 0) - goto socket_connect_return; - sksec->nlbl_state = NLBL_CONNLABELED; + } + rc = netlbl_conn_setattr(sk, addr, secattr); + if (rc == 0) + sksec->nlbl_state = NLBL_CONNLABELED; socket_connect_return: bh_unlock_sock(sk); local_bh_enable(); - netlbl_secattr_destroy(&secattr); return rc; } -- GitLab From 8d75899d033617316e06296b7c0729612f56aba0 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:33 -0400 Subject: [PATCH 3454/6244] netlabel: Changes to the NetLabel security attributes to allow LSMs to pass full contexts This patch provides support for including the LSM's secid in addition to the LSM's MLS information in the NetLabel security attributes structure. Signed-off-by: Paul Moore Acked-by: James Morris --- include/net/netlabel.h | 2 +- security/selinux/ss/services.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 074cad40ac66..d56517ac3bae 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -203,7 +203,7 @@ struct netlbl_lsm_secattr { u32 type; char *domain; struct netlbl_lsm_cache *cache; - union { + struct { struct { struct netlbl_lsm_secattr_catmap *cat; u32 lvl; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index c8f688a10041..ed0ca649d7db 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2803,7 +2803,8 @@ int security_netlbl_sid_to_secattr(u32 sid, struct netlbl_lsm_secattr *secattr) rc = -ENOMEM; goto netlbl_sid_to_secattr_failure; } - secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY; + secattr->attr.secid = sid; + secattr->flags |= NETLBL_SECATTR_DOMAIN_CPY | NETLBL_SECATTR_SECID; mls_export_netlbl_lvl(ctx, secattr); rc = mls_export_netlbl_cat(ctx, secattr); if (rc != 0) -- GitLab From 15c45f7b2e81655f6eb500ec949c8bd70a04325a Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:34 -0400 Subject: [PATCH 3455/6244] cipso: Add support for native local labeling and fixup mapping names This patch accomplishes three minor tasks: add a new tag type for local labeling, rename the CIPSO_V4_MAP_STD define to CIPSO_V4_MAP_TRANS and replace some of the CIPSO "magic numbers" with constants from the header file. The first change allows CIPSO to support full LSM labels/contexts, not just MLS attributes. The second change brings the mapping names inline with what userspace is using, compatibility is preserved since we don't actually change the value. The last change is to aid readability and help prevent mistakes. Signed-off-by: Paul Moore --- include/net/cipso_ipv4.h | 13 +++- net/ipv4/cipso_ipv4.c | 127 ++++++++++++++++++++++++++----- net/ipv4/ip_options.c | 2 +- net/netlabel/netlabel_cipso_v4.c | 14 ++-- net/netlabel/netlabel_cipso_v4.h | 4 +- net/netlabel/netlabel_kapi.c | 4 +- 6 files changed, 128 insertions(+), 36 deletions(-) diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h index 811febf97caf..9909774eb998 100644 --- a/include/net/cipso_ipv4.h +++ b/include/net/cipso_ipv4.h @@ -45,7 +45,7 @@ /* known doi values */ #define CIPSO_V4_DOI_UNKNOWN 0x00000000 -/* tag types */ +/* standard tag types */ #define CIPSO_V4_TAG_INVALID 0 #define CIPSO_V4_TAG_RBITMAP 1 #define CIPSO_V4_TAG_ENUM 2 @@ -53,10 +53,14 @@ #define CIPSO_V4_TAG_PBITMAP 6 #define CIPSO_V4_TAG_FREEFORM 7 +/* non-standard tag types (tags > 127) */ +#define CIPSO_V4_TAG_LOCAL 128 + /* doi mapping types */ #define CIPSO_V4_MAP_UNKNOWN 0 -#define CIPSO_V4_MAP_STD 1 +#define CIPSO_V4_MAP_TRANS 1 #define CIPSO_V4_MAP_PASS 2 +#define CIPSO_V4_MAP_LOCAL 3 /* limits */ #define CIPSO_V4_MAX_REM_LVLS 255 @@ -215,7 +219,7 @@ int cipso_v4_skbuff_setattr(struct sk_buff *skb, int cipso_v4_skbuff_delattr(struct sk_buff *skb); int cipso_v4_skbuff_getattr(const struct sk_buff *skb, struct netlbl_lsm_secattr *secattr); -int cipso_v4_validate(unsigned char **option); +int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option); #else static inline void cipso_v4_error(struct sk_buff *skb, int error, @@ -259,7 +263,8 @@ static inline int cipso_v4_skbuff_getattr(const struct sk_buff *skb, return -ENOSYS; } -static inline int cipso_v4_validate(unsigned char **option) +static inline int cipso_v4_validate(const struct sk_buff *skb, + unsigned char **option) { return -ENOSYS; } diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 23768b9d6b64..490e035c6d90 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -109,6 +109,19 @@ int cipso_v4_rbm_strictvalid = 1; * be omitted. */ #define CIPSO_V4_TAG_RNG_CAT_MAX 8 +/* Base length of the local tag (non-standard tag). + * Tag definition (may change between kernel versions) + * + * 0 8 16 24 32 + * +----------+----------+----------+----------+ + * | 10000000 | 00000110 | 32-bit secid value | + * +----------+----------+----------+----------+ + * | in (host byte order)| + * +----------+----------+ + * + */ +#define CIPSO_V4_TAG_LOC_BLEN 6 + /* * Helper Functions */ @@ -467,6 +480,10 @@ int cipso_v4_doi_add(struct cipso_v4_doi *doi_def) if (doi_def->type != CIPSO_V4_MAP_PASS) return -EINVAL; break; + case CIPSO_V4_TAG_LOCAL: + if (doi_def->type != CIPSO_V4_MAP_LOCAL) + return -EINVAL; + break; default: return -EINVAL; } @@ -502,7 +519,7 @@ void cipso_v4_doi_free(struct cipso_v4_doi *doi_def) return; switch (doi_def->type) { - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: kfree(doi_def->map.std->lvl.cipso); kfree(doi_def->map.std->lvl.local); kfree(doi_def->map.std->cat.cipso); @@ -673,7 +690,7 @@ static int cipso_v4_map_lvl_valid(const struct cipso_v4_doi *doi_def, u8 level) switch (doi_def->type) { case CIPSO_V4_MAP_PASS: return 0; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: if (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL) return 0; break; @@ -702,7 +719,7 @@ static int cipso_v4_map_lvl_hton(const struct cipso_v4_doi *doi_def, case CIPSO_V4_MAP_PASS: *net_lvl = host_lvl; return 0; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: if (host_lvl < doi_def->map.std->lvl.local_size && doi_def->map.std->lvl.local[host_lvl] < CIPSO_V4_INV_LVL) { *net_lvl = doi_def->map.std->lvl.local[host_lvl]; @@ -736,7 +753,7 @@ static int cipso_v4_map_lvl_ntoh(const struct cipso_v4_doi *doi_def, case CIPSO_V4_MAP_PASS: *host_lvl = net_lvl; return 0; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: map_tbl = doi_def->map.std; if (net_lvl < map_tbl->lvl.cipso_size && map_tbl->lvl.cipso[net_lvl] < CIPSO_V4_INV_LVL) { @@ -773,7 +790,7 @@ static int cipso_v4_map_cat_rbm_valid(const struct cipso_v4_doi *doi_def, switch (doi_def->type) { case CIPSO_V4_MAP_PASS: return 0; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: cipso_cat_size = doi_def->map.std->cat.cipso_size; cipso_array = doi_def->map.std->cat.cipso; for (;;) { @@ -821,7 +838,7 @@ static int cipso_v4_map_cat_rbm_hton(const struct cipso_v4_doi *doi_def, u32 host_cat_size = 0; u32 *host_cat_array = NULL; - if (doi_def->type == CIPSO_V4_MAP_STD) { + if (doi_def->type == CIPSO_V4_MAP_TRANS) { host_cat_size = doi_def->map.std->cat.local_size; host_cat_array = doi_def->map.std->cat.local; } @@ -836,7 +853,7 @@ static int cipso_v4_map_cat_rbm_hton(const struct cipso_v4_doi *doi_def, case CIPSO_V4_MAP_PASS: net_spot = host_spot; break; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: if (host_spot >= host_cat_size) return -EPERM; net_spot = host_cat_array[host_spot]; @@ -882,7 +899,7 @@ static int cipso_v4_map_cat_rbm_ntoh(const struct cipso_v4_doi *doi_def, u32 net_cat_size = 0; u32 *net_cat_array = NULL; - if (doi_def->type == CIPSO_V4_MAP_STD) { + if (doi_def->type == CIPSO_V4_MAP_TRANS) { net_cat_size = doi_def->map.std->cat.cipso_size; net_cat_array = doi_def->map.std->cat.cipso; } @@ -902,7 +919,7 @@ static int cipso_v4_map_cat_rbm_ntoh(const struct cipso_v4_doi *doi_def, case CIPSO_V4_MAP_PASS: host_spot = net_spot; break; - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: if (net_spot >= net_cat_size) return -EPERM; host_spot = net_cat_array[net_spot]; @@ -1238,7 +1255,7 @@ static int cipso_v4_gentag_rbm(const struct cipso_v4_doi *doi_def, } else tag_len = 4; - buffer[0] = 0x01; + buffer[0] = CIPSO_V4_TAG_RBITMAP; buffer[1] = tag_len; buffer[3] = level; @@ -1334,7 +1351,7 @@ static int cipso_v4_gentag_enum(const struct cipso_v4_doi *doi_def, } else tag_len = 4; - buffer[0] = 0x02; + buffer[0] = CIPSO_V4_TAG_ENUM; buffer[1] = tag_len; buffer[3] = level; @@ -1430,7 +1447,7 @@ static int cipso_v4_gentag_rng(const struct cipso_v4_doi *doi_def, } else tag_len = 4; - buffer[0] = 0x05; + buffer[0] = CIPSO_V4_TAG_RANGE; buffer[1] = tag_len; buffer[3] = level; @@ -1483,6 +1500,54 @@ static int cipso_v4_parsetag_rng(const struct cipso_v4_doi *doi_def, return 0; } +/** + * cipso_v4_gentag_loc - Generate a CIPSO local tag (non-standard) + * @doi_def: the DOI definition + * @secattr: the security attributes + * @buffer: the option buffer + * @buffer_len: length of buffer in bytes + * + * Description: + * Generate a CIPSO option using the local tag. Returns the size of the tag + * on success, negative values on failure. + * + */ +static int cipso_v4_gentag_loc(const struct cipso_v4_doi *doi_def, + const struct netlbl_lsm_secattr *secattr, + unsigned char *buffer, + u32 buffer_len) +{ + if (!(secattr->flags & NETLBL_SECATTR_SECID)) + return -EPERM; + + buffer[0] = CIPSO_V4_TAG_LOCAL; + buffer[1] = CIPSO_V4_TAG_LOC_BLEN; + *(u32 *)&buffer[2] = secattr->attr.secid; + + return CIPSO_V4_TAG_LOC_BLEN; +} + +/** + * cipso_v4_parsetag_loc - Parse a CIPSO local tag + * @doi_def: the DOI definition + * @tag: the CIPSO tag + * @secattr: the security attributes + * + * Description: + * Parse a CIPSO local tag and return the security attributes in @secattr. + * Return zero on success, negatives values on failure. + * + */ +static int cipso_v4_parsetag_loc(const struct cipso_v4_doi *doi_def, + const unsigned char *tag, + struct netlbl_lsm_secattr *secattr) +{ + secattr->attr.secid = *(u32 *)&tag[2]; + secattr->flags |= NETLBL_SECATTR_SECID; + + return 0; +} + /** * cipso_v4_validate - Validate a CIPSO option * @option: the start of the option, on error it is set to point to the error @@ -1502,7 +1567,7 @@ static int cipso_v4_parsetag_rng(const struct cipso_v4_doi *doi_def, * that is unrecognized." * */ -int cipso_v4_validate(unsigned char **option) +int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option) { unsigned char *opt = *option; unsigned char *tag; @@ -1527,7 +1592,7 @@ int cipso_v4_validate(unsigned char **option) goto validate_return_locked; } - opt_iter = 6; + opt_iter = CIPSO_V4_HDR_LEN; tag = opt + opt_iter; while (opt_iter < opt_len) { for (tag_iter = 0; doi_def->tags[tag_iter] != tag[0];) @@ -1545,7 +1610,7 @@ int cipso_v4_validate(unsigned char **option) switch (tag[0]) { case CIPSO_V4_TAG_RBITMAP: - if (tag_len < 4) { + if (tag_len < CIPSO_V4_TAG_RBM_BLEN) { err_offset = opt_iter + 1; goto validate_return_locked; } @@ -1563,7 +1628,7 @@ int cipso_v4_validate(unsigned char **option) err_offset = opt_iter + 3; goto validate_return_locked; } - if (tag_len > 4 && + if (tag_len > CIPSO_V4_TAG_RBM_BLEN && cipso_v4_map_cat_rbm_valid(doi_def, &tag[4], tag_len - 4) < 0) { @@ -1573,7 +1638,7 @@ int cipso_v4_validate(unsigned char **option) } break; case CIPSO_V4_TAG_ENUM: - if (tag_len < 4) { + if (tag_len < CIPSO_V4_TAG_ENUM_BLEN) { err_offset = opt_iter + 1; goto validate_return_locked; } @@ -1583,7 +1648,7 @@ int cipso_v4_validate(unsigned char **option) err_offset = opt_iter + 3; goto validate_return_locked; } - if (tag_len > 4 && + if (tag_len > CIPSO_V4_TAG_ENUM_BLEN && cipso_v4_map_cat_enum_valid(doi_def, &tag[4], tag_len - 4) < 0) { @@ -1592,7 +1657,7 @@ int cipso_v4_validate(unsigned char **option) } break; case CIPSO_V4_TAG_RANGE: - if (tag_len < 4) { + if (tag_len < CIPSO_V4_TAG_RNG_BLEN) { err_offset = opt_iter + 1; goto validate_return_locked; } @@ -1602,7 +1667,7 @@ int cipso_v4_validate(unsigned char **option) err_offset = opt_iter + 3; goto validate_return_locked; } - if (tag_len > 4 && + if (tag_len > CIPSO_V4_TAG_RNG_BLEN && cipso_v4_map_cat_rng_valid(doi_def, &tag[4], tag_len - 4) < 0) { @@ -1610,6 +1675,19 @@ int cipso_v4_validate(unsigned char **option) goto validate_return_locked; } break; + case CIPSO_V4_TAG_LOCAL: + /* This is a non-standard tag that we only allow for + * local connections, so if the incoming interface is + * not the loopback device drop the packet. */ + if (!(skb->dev->flags & IFF_LOOPBACK)) { + err_offset = opt_iter; + goto validate_return_locked; + } + if (tag_len != CIPSO_V4_TAG_LOC_BLEN) { + err_offset = opt_iter + 1; + goto validate_return_locked; + } + break; default: err_offset = opt_iter; goto validate_return_locked; @@ -1712,6 +1790,12 @@ static int cipso_v4_genopt(unsigned char *buf, u32 buf_len, &buf[CIPSO_V4_HDR_LEN], buf_len - CIPSO_V4_HDR_LEN); break; + case CIPSO_V4_TAG_LOCAL: + ret_val = cipso_v4_gentag_loc(doi_def, + secattr, + &buf[CIPSO_V4_HDR_LEN], + buf_len - CIPSO_V4_HDR_LEN); + break; default: return -EPERM; } @@ -1921,6 +2005,9 @@ static int cipso_v4_getattr(const unsigned char *cipso, case CIPSO_V4_TAG_RANGE: ret_val = cipso_v4_parsetag_rng(doi_def, &cipso[6], secattr); break; + case CIPSO_V4_TAG_LOCAL: + ret_val = cipso_v4_parsetag_loc(doi_def, &cipso[6], secattr); + break; } if (ret_val == 0) secattr->type = NETLBL_NLTYPE_CIPSOV4; diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index be3f18a7a40e..2c88da6e7862 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -438,7 +438,7 @@ int ip_options_compile(struct net *net, goto error; } opt->cipso = optptr - iph; - if (cipso_v4_validate(&optptr)) { + if (cipso_v4_validate(skb, &optptr)) { pp_ptr = optptr; goto error; } diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index 5c4f60bbc82d..db83a67cbc75 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -132,9 +132,9 @@ static int netlbl_cipsov4_add_common(struct genl_info *info, * @info: the Generic NETLINK info block * * Description: - * Create a new CIPSO_V4_MAP_STD DOI definition based on the given ADD message - * and add it to the CIPSO V4 engine. Return zero on success and non-zero on - * error. + * Create a new CIPSO_V4_MAP_TRANS DOI definition based on the given ADD + * message and add it to the CIPSO V4 engine. Return zero on success and + * non-zero on error. * */ static int netlbl_cipsov4_add_std(struct genl_info *info) @@ -164,7 +164,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info) ret_val = -ENOMEM; goto add_std_failure; } - doi_def->type = CIPSO_V4_MAP_STD; + doi_def->type = CIPSO_V4_MAP_TRANS; ret_val = netlbl_cipsov4_add_common(info, doi_def); if (ret_val != 0) @@ -393,8 +393,8 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info) type = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE]); switch (type) { - case CIPSO_V4_MAP_STD: - type_str = "std"; + case CIPSO_V4_MAP_TRANS: + type_str = "trans"; ret_val = netlbl_cipsov4_add_std(info); break; case CIPSO_V4_MAP_PASS: @@ -497,7 +497,7 @@ list_start: nla_nest_end(ans_skb, nla_a); switch (doi_def->type) { - case CIPSO_V4_MAP_STD: + case CIPSO_V4_MAP_TRANS: nla_a = nla_nest_start(ans_skb, NLBL_CIPSOV4_A_MLSLVLLST); if (nla_a == NULL) { ret_val = -ENOMEM; diff --git a/net/netlabel/netlabel_cipso_v4.h b/net/netlabel/netlabel_cipso_v4.h index 220cb9d06b49..fb3957f1d69a 100644 --- a/net/netlabel/netlabel_cipso_v4.h +++ b/net/netlabel/netlabel_cipso_v4.h @@ -45,7 +45,7 @@ * NLBL_CIPSOV4_A_MTYPE * NLBL_CIPSOV4_A_TAGLST * - * If using CIPSO_V4_MAP_STD the following attributes are required: + * If using CIPSO_V4_MAP_TRANS the following attributes are required: * * NLBL_CIPSOV4_A_MLSLVLLST * NLBL_CIPSOV4_A_MLSCATLST @@ -76,7 +76,7 @@ * NLBL_CIPSOV4_A_MTYPE * NLBL_CIPSOV4_A_TAGLST * - * If using CIPSO_V4_MAP_STD the following attributes are required: + * If using CIPSO_V4_MAP_TRANS the following attributes are required: * * NLBL_CIPSOV4_A_MLSLVLLST * NLBL_CIPSOV4_A_MLSCATLST diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 78fc557689b2..8435b15c3f7d 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -157,8 +157,8 @@ cfg_cipsov4_add_map_return: audit_info); if (audit_buf != NULL) { switch (doi_type) { - case CIPSO_V4_MAP_STD: - type_str = "std"; + case CIPSO_V4_MAP_TRANS: + type_str = "trans"; break; case CIPSO_V4_MAP_PASS: type_str = "pass"; -- GitLab From d91d40799165b0c84c97e7c71fb8039494ff07dc Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Fri, 10 Oct 2008 10:16:34 -0400 Subject: [PATCH 3456/6244] netlabel: Add configuration support for local labeling Add the necessary NetLabel support for the new CIPSO mapping, CIPSO_V4_MAP_LOCAL, which allows full LSM label/context support. Signed-off-by: Paul Moore Reviewed-by: James Morris --- include/net/netlabel.h | 3 ++- net/netlabel/netlabel_cipso_v4.c | 41 ++++++++++++++++++++++++++++++++ net/netlabel/netlabel_cipso_v4.h | 6 +++-- net/netlabel/netlabel_kapi.c | 3 +++ 4 files changed, 50 insertions(+), 3 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index d56517ac3bae..17c442a4514e 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -72,7 +72,8 @@ struct cipso_v4_doi; /* NetLabel NETLINK protocol version * 1: initial version * 2: added static labels for unlabeled connections - * 3: network selectors added to the NetLabel/LSM domain mapping + * 3: network selectors added to the NetLabel/LSM domain mapping and the + * CIPSO_V4_MAP_LOCAL CIPSO mapping was added */ #define NETLBL_PROTO_VERSION 3 diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index db83a67cbc75..fff32b70efa9 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -364,6 +364,43 @@ add_pass_failure: return ret_val; } +/** + * netlbl_cipsov4_add_local - Adds a CIPSO V4 DOI definition + * @info: the Generic NETLINK info block + * + * Description: + * Create a new CIPSO_V4_MAP_LOCAL DOI definition based on the given ADD + * message and add it to the CIPSO V4 engine. Return zero on success and + * non-zero on error. + * + */ +static int netlbl_cipsov4_add_local(struct genl_info *info) +{ + int ret_val; + struct cipso_v4_doi *doi_def = NULL; + + if (!info->attrs[NLBL_CIPSOV4_A_TAGLST]) + return -EINVAL; + + doi_def = kmalloc(sizeof(*doi_def), GFP_KERNEL); + if (doi_def == NULL) + return -ENOMEM; + doi_def->type = CIPSO_V4_MAP_LOCAL; + + ret_val = netlbl_cipsov4_add_common(info, doi_def); + if (ret_val != 0) + goto add_local_failure; + + ret_val = cipso_v4_doi_add(doi_def); + if (ret_val != 0) + goto add_local_failure; + return 0; + +add_local_failure: + cipso_v4_doi_free(doi_def); + return ret_val; +} + /** * netlbl_cipsov4_add - Handle an ADD message * @skb: the NETLINK buffer @@ -401,6 +438,10 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info) type_str = "pass"; ret_val = netlbl_cipsov4_add_pass(info); break; + case CIPSO_V4_MAP_LOCAL: + type_str = "local"; + ret_val = netlbl_cipsov4_add_local(info); + break; } if (ret_val == 0) atomic_inc(&netlabel_mgmt_protocount); diff --git a/net/netlabel/netlabel_cipso_v4.h b/net/netlabel/netlabel_cipso_v4.h index fb3957f1d69a..c8a4079261f0 100644 --- a/net/netlabel/netlabel_cipso_v4.h +++ b/net/netlabel/netlabel_cipso_v4.h @@ -50,7 +50,8 @@ * NLBL_CIPSOV4_A_MLSLVLLST * NLBL_CIPSOV4_A_MLSCATLST * - * If using CIPSO_V4_MAP_PASS no additional attributes are required. + * If using CIPSO_V4_MAP_PASS or CIPSO_V4_MAP_LOCAL no additional attributes + * are required. * * o REMOVE: * Sent by an application to remove a specific DOI mapping table from the @@ -81,7 +82,8 @@ * NLBL_CIPSOV4_A_MLSLVLLST * NLBL_CIPSOV4_A_MLSCATLST * - * If using CIPSO_V4_MAP_PASS no additional attributes are required. + * If using CIPSO_V4_MAP_PASS or CIPSO_V4_MAP_LOCAL no additional attributes + * are required. * * o LISTALL: * This message is sent by an application to list the valid DOIs on the diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c index 8435b15c3f7d..b32eceb3ab0d 100644 --- a/net/netlabel/netlabel_kapi.c +++ b/net/netlabel/netlabel_kapi.c @@ -163,6 +163,9 @@ cfg_cipsov4_add_map_return: case CIPSO_V4_MAP_PASS: type_str = "pass"; break; + case CIPSO_V4_MAP_LOCAL: + type_str = "local"; + break; default: type_str = "(unknown)"; } -- GitLab From ed458df4d2470adc02762a87a9ad665d0b1a2bd4 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 10 Oct 2008 08:00:17 -0700 Subject: [PATCH 3457/6244] PnP: move pnpacpi/pnpbios_init to after PCI init We already did that a long time ago for pnp_system_init, but pnpacpi_init and pnpbios_init remained as subsys_initcalls, and get linked into the kernel before the arch-specific routines that finalize the PCI resources (pci_subsys_init). This means that the PnP routines would either register their resources before the PCI layer could, or would be unable to check whether a PCI resource had already been registered. Both are problematic. I wanted to do this before 2.6.27, but every time we change something like this, something breaks. That said, _every_ single time we trust some firmware (like PnP tables) more than we trust the hardware itself (like PCI probing), the problems have been worse. Signed-off-by: Linus Torvalds --- drivers/pnp/Makefile | 5 ++++- drivers/pnp/pnpacpi/core.c | 2 +- drivers/pnp/pnpbios/core.c | 2 +- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile index 26f5abc9c3f7..e83f34f1b5ba 100644 --- a/drivers/pnp/Makefile +++ b/drivers/pnp/Makefile @@ -2,12 +2,15 @@ # Makefile for the Linux Plug-and-Play Support. # -obj-y := core.o card.o driver.o resource.o manager.o support.o interface.o quirks.o system.o +obj-y := core.o card.o driver.o resource.o manager.o support.o interface.o quirks.o obj-$(CONFIG_PNPACPI) += pnpacpi/ obj-$(CONFIG_PNPBIOS) += pnpbios/ obj-$(CONFIG_ISAPNP) += isapnp/ +# pnp_system_init goes after pnpacpi/pnpbios init +obj-y += system.o + ifeq ($(CONFIG_PNP_DEBUG),y) EXTRA_CFLAGS += -DDEBUG endif diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index c1b9ea34977b..53561d72b4ee 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -268,7 +268,7 @@ static int __init pnpacpi_init(void) return 0; } -subsys_initcall(pnpacpi_init); +fs_initcall(pnpacpi_init); static int __init pnpacpi_setup(char *str) { diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 19a4be1a9a31..662dfcddedc6 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -571,7 +571,7 @@ static int __init pnpbios_init(void) return 0; } -subsys_initcall(pnpbios_init); +fs_initcall(pnpbios_init); static int __init pnpbios_thread_init(void) { -- GitLab From 43603c8df97f246e8be7b9cc92a8f968a85108bd Mon Sep 17 00:00:00 2001 From: Hans Schou Date: Thu, 9 Oct 2008 20:47:24 +0200 Subject: [PATCH 3458/6244] x86, debug: print more information about unknown CPUs Write the name of the unknown vendor_id to output instead of just "unknown". Tag changed to 'vendor_id' as used in /proc/cpuinfo Signed-off-by: Hans Schou Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index cef3519b3bbb..84c4040efa80 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -406,7 +406,7 @@ static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c) if (!printed) { printed++; - printk(KERN_ERR "CPU: Vendor unknown, using generic init.\n"); + printk(KERN_ERR "CPU: vendor_id '%s' unknown, using generic init.\n", v); printk(KERN_ERR "CPU: Your system may be unstable.\n"); } -- GitLab From 98f172b257725de516a792b810b08639d6293d4d Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 16:21:19 -0400 Subject: [PATCH 3459/6244] parisc: parisc-agp - fix -> --- drivers/char/agp/parisc-agp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index 8c42dcc5958c..f4bbcb273208 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -20,8 +20,8 @@ #include #include -#include -#include +#include +#include #include "agp.h" -- GitLab From 40b10fc58a62a9698f4fa1916e61b0953139928a Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 16:22:34 -0400 Subject: [PATCH 3460/6244] parisc: ropes.h - fix -> --- include/asm-parisc/ropes.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h index 007a880615eb..09f51d5ab57c 100644 --- a/include/asm-parisc/ropes.h +++ b/include/asm-parisc/ropes.h @@ -1,7 +1,7 @@ #ifndef _ASM_PARISC_ROPES_H_ #define _ASM_PARISC_ROPES_H_ -#include +#include #ifdef CONFIG_64BIT /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */ -- GitLab From dae2cdf3e25bf1c63f8012ae19c133e3b3b187ca Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 21:14:50 -0400 Subject: [PATCH 3461/6244] parisc: add arch/parisc/kernel/.gitignore --- arch/parisc/kernel/.gitignore | 1 + 1 file changed, 1 insertion(+) create mode 100644 arch/parisc/kernel/.gitignore diff --git a/arch/parisc/kernel/.gitignore b/arch/parisc/kernel/.gitignore new file mode 100644 index 000000000000..c5f676c3c224 --- /dev/null +++ b/arch/parisc/kernel/.gitignore @@ -0,0 +1 @@ +vmlinux.lds -- GitLab From 1e22166c40a99fb25fa6ff4f711a3217d848dd85 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 21:17:23 -0400 Subject: [PATCH 3462/6244] parisc: unify CCIO_COLLECT_STATS implementation Make it behave in the same manner as SBA_COLLECT_STATS, further clean ups pending. --- drivers/parisc/ccio-dma.c | 43 ++++++++++++++++----------------------- 1 file changed, 17 insertions(+), 26 deletions(-) diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index b30e38f3a50d..dcc1e9958d2f 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -66,15 +66,8 @@ #undef DEBUG_CCIO_RUN_SG #ifdef CONFIG_PROC_FS -/* - * CCIO_SEARCH_TIME can help measure how fast the bitmap search is. - * impacts performance though - ditch it if you don't use it. - */ -#define CCIO_SEARCH_TIME -#undef CCIO_MAP_STATS -#else -#undef CCIO_SEARCH_TIME -#undef CCIO_MAP_STATS +/* depends on proc fs support. But costs CPU performance. */ +#undef CCIO_COLLECT_STATS #endif #include @@ -239,12 +232,10 @@ struct ioc { u32 res_size; /* size of resource map in bytes */ spinlock_t res_lock; -#ifdef CCIO_SEARCH_TIME +#ifdef CCIO_COLLECT_STATS #define CCIO_SEARCH_SAMPLE 0x100 unsigned long avg_search[CCIO_SEARCH_SAMPLE]; unsigned long avg_idx; /* current index into avg_search */ -#endif -#ifdef CCIO_MAP_STATS unsigned long used_pages; unsigned long msingle_calls; unsigned long msingle_pages; @@ -351,7 +342,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size) unsigned int pages_needed = size >> IOVP_SHIFT; unsigned int res_idx; unsigned long boundary_size; -#ifdef CCIO_SEARCH_TIME +#ifdef CCIO_COLLECT_STATS unsigned long cr_start = mfctl(16); #endif @@ -406,7 +397,7 @@ resource_found: DBG_RES("%s() res_idx %d res_hint: %d\n", __func__, res_idx, ioc->res_hint); -#ifdef CCIO_SEARCH_TIME +#ifdef CCIO_COLLECT_STATS { unsigned long cr_end = mfctl(16); unsigned long tmp = cr_end - cr_start; @@ -416,7 +407,7 @@ resource_found: ioc->avg_search[ioc->avg_idx++] = cr_start; ioc->avg_idx &= CCIO_SEARCH_SAMPLE - 1; #endif -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->used_pages += pages_needed; #endif /* @@ -452,7 +443,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped) DBG_RES("%s(): res_idx: %d pages_mapped %d\n", __func__, res_idx, pages_mapped); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->used_pages -= pages_mapped; #endif @@ -764,7 +755,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size, size = ALIGN(size + offset, IOVP_SIZE); spin_lock_irqsave(&ioc->res_lock, flags); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->msingle_calls++; ioc->msingle_pages += size >> IOVP_SHIFT; #endif @@ -828,7 +819,7 @@ ccio_unmap_single(struct device *dev, dma_addr_t iova, size_t size, spin_lock_irqsave(&ioc->res_lock, flags); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->usingle_calls++; ioc->usingle_pages += size >> IOVP_SHIFT; #endif @@ -894,7 +885,7 @@ ccio_free_consistent(struct device *dev, size_t size, void *cpu_addr, */ #define PIDE_FLAG 0x80000000UL -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS #define IOMMU_MAP_STATS #endif #include "iommu-helpers.h" @@ -938,7 +929,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents, spin_lock_irqsave(&ioc->res_lock, flags); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->msg_calls++; #endif @@ -997,13 +988,13 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, DBG_RUN_SG("%s() START %d entries, %08lx,%x\n", __func__, nents, sg_virt_addr(sglist), sglist->length); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->usg_calls++; #endif while(sg_dma_len(sglist) && nents--) { -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT; #endif ccio_unmap_single(dev, sg_dma_address(sglist), @@ -1048,7 +1039,7 @@ static int ccio_proc_info(struct seq_file *m, void *p) len += seq_printf(m, "IO PDIR size : %d bytes (%d entries)\n", total_pages * 8, total_pages); -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS len += seq_printf(m, "IO PDIR entries : %ld free %ld used (%d%%)\n", total_pages - ioc->used_pages, ioc->used_pages, (int)(ioc->used_pages * 100 / total_pages)); @@ -1057,7 +1048,7 @@ static int ccio_proc_info(struct seq_file *m, void *p) len += seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n", ioc->res_size, total_pages); -#ifdef CCIO_SEARCH_TIME +#ifdef CCIO_COLLECT_STATS min = max = ioc->avg_search[0]; for(j = 0; j < CCIO_SEARCH_SAMPLE; ++j) { avg += ioc->avg_search[j]; @@ -1070,7 +1061,7 @@ static int ccio_proc_info(struct seq_file *m, void *p) len += seq_printf(m, " Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n", min, avg, max); #endif -#ifdef CCIO_MAP_STATS +#ifdef CCIO_COLLECT_STATS len += seq_printf(m, "pci_map_single(): %8ld calls %8ld pages (avg %d/1000)\n", ioc->msingle_calls, ioc->msingle_pages, (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls)); @@ -1088,7 +1079,7 @@ static int ccio_proc_info(struct seq_file *m, void *p) len += seq_printf(m, "pci_unmap_sg() : %8ld calls %8ld pages (avg %d/1000)\n\n\n", ioc->usg_calls, ioc->usg_pages, (int)((ioc->usg_pages * 1000)/ioc->usg_calls)); -#endif /* CCIO_MAP_STATS */ +#endif /* CCIO_COLLECT_STATS */ ioc = ioc->next; } -- GitLab From 6c86cb8237bf08443806089130dc108051569a93 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 22:52:18 -0400 Subject: [PATCH 3463/6244] parisc: move pdc_result to real2.S --- arch/parisc/kernel/asm-offsets.c | 3 +++ arch/parisc/kernel/firmware.c | 4 ++-- arch/parisc/kernel/real2.S | 12 ++++++++++++ include/asm-parisc/pdc.h | 3 +++ 4 files changed, 20 insertions(+), 2 deletions(-) diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index 3efc0b73e4ff..699cf8ef2118 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -290,5 +290,8 @@ int main(void) DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip)); DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space)); DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr)); + BLANK(); + DEFINE(ASM_PDC_RESULT_SIZE, NUM_PDC_RESULT * sizeof(unsigned long)); + BLANK(); return 0; } diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 7177a6cd1b7f..99a9e505edf9 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -71,8 +71,8 @@ #include /* for boot_cpu_data */ static DEFINE_SPINLOCK(pdc_lock); -static unsigned long pdc_result[32] __attribute__ ((aligned (8))); -static unsigned long pdc_result2[32] __attribute__ ((aligned (8))); +extern unsigned long pdc_result[NUM_PDC_RESULT]; +extern unsigned long pdc_result2[NUM_PDC_RESULT]; #ifdef CONFIG_64BIT #define WIDE_FIRMWARE 0x1 diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S index 7a92695d95a6..5f3d3a1f9037 100644 --- a/arch/parisc/kernel/real2.S +++ b/arch/parisc/kernel/real2.S @@ -8,12 +8,24 @@ * */ +#include #include #include +#include #include + .section .bss + + .export pdc_result + .export pdc_result2 + .align 8 +pdc_result: + .block ASM_PDC_RESULT_SIZE +pdc_result2: + .block ASM_PDC_RESULT_SIZE + .export real_stack .export real32_stack .export real64_stack diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h index 9eaa794c3e4a..46b75f9cce51 100644 --- a/include/asm-parisc/pdc.h +++ b/include/asm-parisc/pdc.h @@ -332,6 +332,9 @@ #define BOOT_CONSOLE_SPA_OFFSET 0x3c4 #define BOOT_CONSOLE_PATH_OFFSET 0x3a8 +/* size of the pdc_result buffer for firmware.c */ +#define NUM_PDC_RESULT 32 + #if !defined(__ASSEMBLY__) #ifdef __KERNEL__ -- GitLab From deae26bf6a10e47983606f5df080b91e97650ead Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Mon, 28 Jul 2008 23:02:13 -0400 Subject: [PATCH 3464/6244] parisc: move include/asm-parisc to arch/parisc/include/asm --- {include/asm-parisc => arch/parisc/include/asm}/Kbuild | 0 {include/asm-parisc => arch/parisc/include/asm}/a.out.h | 0 {include/asm-parisc => arch/parisc/include/asm}/agp.h | 0 {include/asm-parisc => arch/parisc/include/asm}/asmregs.h | 0 {include/asm-parisc => arch/parisc/include/asm}/assembly.h | 0 {include/asm-parisc => arch/parisc/include/asm}/atomic.h | 0 {include/asm-parisc => arch/parisc/include/asm}/auxvec.h | 0 {include/asm-parisc => arch/parisc/include/asm}/bitops.h | 0 {include/asm-parisc => arch/parisc/include/asm}/bug.h | 0 {include/asm-parisc => arch/parisc/include/asm}/bugs.h | 0 {include/asm-parisc => arch/parisc/include/asm}/byteorder.h | 0 {include/asm-parisc => arch/parisc/include/asm}/cache.h | 0 {include/asm-parisc => arch/parisc/include/asm}/cacheflush.h | 0 {include/asm-parisc => arch/parisc/include/asm}/checksum.h | 0 {include/asm-parisc => arch/parisc/include/asm}/compat.h | 0 .../asm-parisc => arch/parisc/include/asm}/compat_rt_sigframe.h | 0 {include/asm-parisc => arch/parisc/include/asm}/compat_signal.h | 0 {include/asm-parisc => arch/parisc/include/asm}/compat_ucontext.h | 0 {include/asm-parisc => arch/parisc/include/asm}/cputime.h | 0 {include/asm-parisc => arch/parisc/include/asm}/current.h | 0 {include/asm-parisc => arch/parisc/include/asm}/delay.h | 0 {include/asm-parisc => arch/parisc/include/asm}/device.h | 0 {include/asm-parisc => arch/parisc/include/asm}/div64.h | 0 {include/asm-parisc => arch/parisc/include/asm}/dma-mapping.h | 0 {include/asm-parisc => arch/parisc/include/asm}/dma.h | 0 {include/asm-parisc => arch/parisc/include/asm}/eisa_bus.h | 0 {include/asm-parisc => arch/parisc/include/asm}/eisa_eeprom.h | 0 {include/asm-parisc => arch/parisc/include/asm}/elf.h | 0 .../asm-parisc => arch/parisc/include/asm}/emergency-restart.h | 0 {include/asm-parisc => arch/parisc/include/asm}/errno.h | 0 {include/asm-parisc => arch/parisc/include/asm}/fb.h | 0 {include/asm-parisc => arch/parisc/include/asm}/fcntl.h | 0 {include/asm-parisc => arch/parisc/include/asm}/fixmap.h | 0 {include/asm-parisc => arch/parisc/include/asm}/floppy.h | 0 {include/asm-parisc => arch/parisc/include/asm}/futex.h | 0 {include/asm-parisc => arch/parisc/include/asm}/grfioctl.h | 0 {include/asm-parisc => arch/parisc/include/asm}/hardirq.h | 0 {include/asm-parisc => arch/parisc/include/asm}/hardware.h | 0 {include/asm-parisc => arch/parisc/include/asm}/hw_irq.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ide.h | 0 {include/asm-parisc => arch/parisc/include/asm}/io.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ioctl.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ioctls.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ipcbuf.h | 0 {include/asm-parisc => arch/parisc/include/asm}/irq.h | 0 {include/asm-parisc => arch/parisc/include/asm}/irq_regs.h | 0 {include/asm-parisc => arch/parisc/include/asm}/kdebug.h | 0 {include/asm-parisc => arch/parisc/include/asm}/kmap_types.h | 0 {include/asm-parisc => arch/parisc/include/asm}/led.h | 0 {include/asm-parisc => arch/parisc/include/asm}/linkage.h | 0 {include/asm-parisc => arch/parisc/include/asm}/local.h | 0 {include/asm-parisc => arch/parisc/include/asm}/machdep.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mc146818rtc.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mckinley.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mman.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mmu.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mmu_context.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mmzone.h | 0 {include/asm-parisc => arch/parisc/include/asm}/module.h | 0 {include/asm-parisc => arch/parisc/include/asm}/msgbuf.h | 0 {include/asm-parisc => arch/parisc/include/asm}/mutex.h | 0 {include/asm-parisc => arch/parisc/include/asm}/page.h | 0 {include/asm-parisc => arch/parisc/include/asm}/param.h | 0 {include/asm-parisc => arch/parisc/include/asm}/parisc-device.h | 0 {include/asm-parisc => arch/parisc/include/asm}/parport.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pci.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pdc.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pdc_chassis.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pdcpat.h | 0 {include/asm-parisc => arch/parisc/include/asm}/percpu.h | 0 {include/asm-parisc => arch/parisc/include/asm}/perf.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pgalloc.h | 0 {include/asm-parisc => arch/parisc/include/asm}/pgtable.h | 0 {include/asm-parisc => arch/parisc/include/asm}/poll.h | 0 {include/asm-parisc => arch/parisc/include/asm}/posix_types.h | 0 {include/asm-parisc => arch/parisc/include/asm}/prefetch.h | 0 {include/asm-parisc => arch/parisc/include/asm}/processor.h | 0 {include/asm-parisc => arch/parisc/include/asm}/psw.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ptrace.h | 0 {include/asm-parisc => arch/parisc/include/asm}/real.h | 0 {include/asm-parisc => arch/parisc/include/asm}/resource.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ropes.h | 0 {include/asm-parisc => arch/parisc/include/asm}/rt_sigframe.h | 0 {include/asm-parisc => arch/parisc/include/asm}/rtc.h | 0 {include/asm-parisc => arch/parisc/include/asm}/runway.h | 0 {include/asm-parisc => arch/parisc/include/asm}/scatterlist.h | 0 {include/asm-parisc => arch/parisc/include/asm}/sections.h | 0 {include/asm-parisc => arch/parisc/include/asm}/segment.h | 0 {include/asm-parisc => arch/parisc/include/asm}/sembuf.h | 0 {include/asm-parisc => arch/parisc/include/asm}/serial.h | 0 {include/asm-parisc => arch/parisc/include/asm}/setup.h | 0 {include/asm-parisc => arch/parisc/include/asm}/shmbuf.h | 0 {include/asm-parisc => arch/parisc/include/asm}/shmparam.h | 0 {include/asm-parisc => arch/parisc/include/asm}/sigcontext.h | 0 {include/asm-parisc => arch/parisc/include/asm}/siginfo.h | 0 {include/asm-parisc => arch/parisc/include/asm}/signal.h | 0 {include/asm-parisc => arch/parisc/include/asm}/smp.h | 0 {include/asm-parisc => arch/parisc/include/asm}/socket.h | 0 {include/asm-parisc => arch/parisc/include/asm}/sockios.h | 0 {include/asm-parisc => arch/parisc/include/asm}/spinlock.h | 0 {include/asm-parisc => arch/parisc/include/asm}/spinlock_types.h | 0 {include/asm-parisc => arch/parisc/include/asm}/stat.h | 0 {include/asm-parisc => arch/parisc/include/asm}/statfs.h | 0 {include/asm-parisc => arch/parisc/include/asm}/string.h | 0 {include/asm-parisc => arch/parisc/include/asm}/superio.h | 0 {include/asm-parisc => arch/parisc/include/asm}/system.h | 0 {include/asm-parisc => arch/parisc/include/asm}/termbits.h | 0 {include/asm-parisc => arch/parisc/include/asm}/termios.h | 0 {include/asm-parisc => arch/parisc/include/asm}/thread_info.h | 0 {include/asm-parisc => arch/parisc/include/asm}/timex.h | 0 {include/asm-parisc => arch/parisc/include/asm}/tlb.h | 0 {include/asm-parisc => arch/parisc/include/asm}/tlbflush.h | 0 {include/asm-parisc => arch/parisc/include/asm}/topology.h | 0 {include/asm-parisc => arch/parisc/include/asm}/traps.h | 0 {include/asm-parisc => arch/parisc/include/asm}/types.h | 0 {include/asm-parisc => arch/parisc/include/asm}/uaccess.h | 0 {include/asm-parisc => arch/parisc/include/asm}/ucontext.h | 0 {include/asm-parisc => arch/parisc/include/asm}/unaligned.h | 0 {include/asm-parisc => arch/parisc/include/asm}/unistd.h | 0 {include/asm-parisc => arch/parisc/include/asm}/unwind.h | 0 {include/asm-parisc => arch/parisc/include/asm}/user.h | 0 {include/asm-parisc => arch/parisc/include/asm}/vga.h | 0 {include/asm-parisc => arch/parisc/include/asm}/xor.h | 0 123 files changed, 0 insertions(+), 0 deletions(-) rename {include/asm-parisc => arch/parisc/include/asm}/Kbuild (100%) rename {include/asm-parisc => arch/parisc/include/asm}/a.out.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/agp.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/asmregs.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/assembly.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/atomic.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/auxvec.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/bitops.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/bug.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/bugs.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/byteorder.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/cache.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/cacheflush.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/checksum.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/compat.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/compat_rt_sigframe.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/compat_signal.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/compat_ucontext.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/cputime.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/current.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/delay.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/device.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/div64.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/dma-mapping.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/dma.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/eisa_bus.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/eisa_eeprom.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/elf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/emergency-restart.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/errno.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/fb.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/fcntl.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/fixmap.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/floppy.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/futex.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/grfioctl.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/hardirq.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/hardware.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/hw_irq.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ide.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/io.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ioctl.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ioctls.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ipcbuf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/irq.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/irq_regs.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/kdebug.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/kmap_types.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/led.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/linkage.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/local.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/machdep.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mc146818rtc.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mckinley.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mman.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mmu.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mmu_context.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mmzone.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/module.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/msgbuf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/mutex.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/page.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/param.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/parisc-device.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/parport.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pci.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pdc.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pdc_chassis.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pdcpat.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/percpu.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/perf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pgalloc.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/pgtable.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/poll.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/posix_types.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/prefetch.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/processor.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/psw.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ptrace.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/real.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/resource.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ropes.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/rt_sigframe.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/rtc.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/runway.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/scatterlist.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/sections.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/segment.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/sembuf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/serial.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/setup.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/shmbuf.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/shmparam.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/sigcontext.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/siginfo.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/signal.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/smp.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/socket.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/sockios.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/spinlock.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/spinlock_types.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/stat.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/statfs.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/string.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/superio.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/system.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/termbits.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/termios.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/thread_info.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/timex.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/tlb.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/tlbflush.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/topology.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/traps.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/types.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/uaccess.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/ucontext.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/unaligned.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/unistd.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/unwind.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/user.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/vga.h (100%) rename {include/asm-parisc => arch/parisc/include/asm}/xor.h (100%) diff --git a/include/asm-parisc/Kbuild b/arch/parisc/include/asm/Kbuild similarity index 100% rename from include/asm-parisc/Kbuild rename to arch/parisc/include/asm/Kbuild diff --git a/include/asm-parisc/a.out.h b/arch/parisc/include/asm/a.out.h similarity index 100% rename from include/asm-parisc/a.out.h rename to arch/parisc/include/asm/a.out.h diff --git a/include/asm-parisc/agp.h b/arch/parisc/include/asm/agp.h similarity index 100% rename from include/asm-parisc/agp.h rename to arch/parisc/include/asm/agp.h diff --git a/include/asm-parisc/asmregs.h b/arch/parisc/include/asm/asmregs.h similarity index 100% rename from include/asm-parisc/asmregs.h rename to arch/parisc/include/asm/asmregs.h diff --git a/include/asm-parisc/assembly.h b/arch/parisc/include/asm/assembly.h similarity index 100% rename from include/asm-parisc/assembly.h rename to arch/parisc/include/asm/assembly.h diff --git a/include/asm-parisc/atomic.h b/arch/parisc/include/asm/atomic.h similarity index 100% rename from include/asm-parisc/atomic.h rename to arch/parisc/include/asm/atomic.h diff --git a/include/asm-parisc/auxvec.h b/arch/parisc/include/asm/auxvec.h similarity index 100% rename from include/asm-parisc/auxvec.h rename to arch/parisc/include/asm/auxvec.h diff --git a/include/asm-parisc/bitops.h b/arch/parisc/include/asm/bitops.h similarity index 100% rename from include/asm-parisc/bitops.h rename to arch/parisc/include/asm/bitops.h diff --git a/include/asm-parisc/bug.h b/arch/parisc/include/asm/bug.h similarity index 100% rename from include/asm-parisc/bug.h rename to arch/parisc/include/asm/bug.h diff --git a/include/asm-parisc/bugs.h b/arch/parisc/include/asm/bugs.h similarity index 100% rename from include/asm-parisc/bugs.h rename to arch/parisc/include/asm/bugs.h diff --git a/include/asm-parisc/byteorder.h b/arch/parisc/include/asm/byteorder.h similarity index 100% rename from include/asm-parisc/byteorder.h rename to arch/parisc/include/asm/byteorder.h diff --git a/include/asm-parisc/cache.h b/arch/parisc/include/asm/cache.h similarity index 100% rename from include/asm-parisc/cache.h rename to arch/parisc/include/asm/cache.h diff --git a/include/asm-parisc/cacheflush.h b/arch/parisc/include/asm/cacheflush.h similarity index 100% rename from include/asm-parisc/cacheflush.h rename to arch/parisc/include/asm/cacheflush.h diff --git a/include/asm-parisc/checksum.h b/arch/parisc/include/asm/checksum.h similarity index 100% rename from include/asm-parisc/checksum.h rename to arch/parisc/include/asm/checksum.h diff --git a/include/asm-parisc/compat.h b/arch/parisc/include/asm/compat.h similarity index 100% rename from include/asm-parisc/compat.h rename to arch/parisc/include/asm/compat.h diff --git a/include/asm-parisc/compat_rt_sigframe.h b/arch/parisc/include/asm/compat_rt_sigframe.h similarity index 100% rename from include/asm-parisc/compat_rt_sigframe.h rename to arch/parisc/include/asm/compat_rt_sigframe.h diff --git a/include/asm-parisc/compat_signal.h b/arch/parisc/include/asm/compat_signal.h similarity index 100% rename from include/asm-parisc/compat_signal.h rename to arch/parisc/include/asm/compat_signal.h diff --git a/include/asm-parisc/compat_ucontext.h b/arch/parisc/include/asm/compat_ucontext.h similarity index 100% rename from include/asm-parisc/compat_ucontext.h rename to arch/parisc/include/asm/compat_ucontext.h diff --git a/include/asm-parisc/cputime.h b/arch/parisc/include/asm/cputime.h similarity index 100% rename from include/asm-parisc/cputime.h rename to arch/parisc/include/asm/cputime.h diff --git a/include/asm-parisc/current.h b/arch/parisc/include/asm/current.h similarity index 100% rename from include/asm-parisc/current.h rename to arch/parisc/include/asm/current.h diff --git a/include/asm-parisc/delay.h b/arch/parisc/include/asm/delay.h similarity index 100% rename from include/asm-parisc/delay.h rename to arch/parisc/include/asm/delay.h diff --git a/include/asm-parisc/device.h b/arch/parisc/include/asm/device.h similarity index 100% rename from include/asm-parisc/device.h rename to arch/parisc/include/asm/device.h diff --git a/include/asm-parisc/div64.h b/arch/parisc/include/asm/div64.h similarity index 100% rename from include/asm-parisc/div64.h rename to arch/parisc/include/asm/div64.h diff --git a/include/asm-parisc/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h similarity index 100% rename from include/asm-parisc/dma-mapping.h rename to arch/parisc/include/asm/dma-mapping.h diff --git a/include/asm-parisc/dma.h b/arch/parisc/include/asm/dma.h similarity index 100% rename from include/asm-parisc/dma.h rename to arch/parisc/include/asm/dma.h diff --git a/include/asm-parisc/eisa_bus.h b/arch/parisc/include/asm/eisa_bus.h similarity index 100% rename from include/asm-parisc/eisa_bus.h rename to arch/parisc/include/asm/eisa_bus.h diff --git a/include/asm-parisc/eisa_eeprom.h b/arch/parisc/include/asm/eisa_eeprom.h similarity index 100% rename from include/asm-parisc/eisa_eeprom.h rename to arch/parisc/include/asm/eisa_eeprom.h diff --git a/include/asm-parisc/elf.h b/arch/parisc/include/asm/elf.h similarity index 100% rename from include/asm-parisc/elf.h rename to arch/parisc/include/asm/elf.h diff --git a/include/asm-parisc/emergency-restart.h b/arch/parisc/include/asm/emergency-restart.h similarity index 100% rename from include/asm-parisc/emergency-restart.h rename to arch/parisc/include/asm/emergency-restart.h diff --git a/include/asm-parisc/errno.h b/arch/parisc/include/asm/errno.h similarity index 100% rename from include/asm-parisc/errno.h rename to arch/parisc/include/asm/errno.h diff --git a/include/asm-parisc/fb.h b/arch/parisc/include/asm/fb.h similarity index 100% rename from include/asm-parisc/fb.h rename to arch/parisc/include/asm/fb.h diff --git a/include/asm-parisc/fcntl.h b/arch/parisc/include/asm/fcntl.h similarity index 100% rename from include/asm-parisc/fcntl.h rename to arch/parisc/include/asm/fcntl.h diff --git a/include/asm-parisc/fixmap.h b/arch/parisc/include/asm/fixmap.h similarity index 100% rename from include/asm-parisc/fixmap.h rename to arch/parisc/include/asm/fixmap.h diff --git a/include/asm-parisc/floppy.h b/arch/parisc/include/asm/floppy.h similarity index 100% rename from include/asm-parisc/floppy.h rename to arch/parisc/include/asm/floppy.h diff --git a/include/asm-parisc/futex.h b/arch/parisc/include/asm/futex.h similarity index 100% rename from include/asm-parisc/futex.h rename to arch/parisc/include/asm/futex.h diff --git a/include/asm-parisc/grfioctl.h b/arch/parisc/include/asm/grfioctl.h similarity index 100% rename from include/asm-parisc/grfioctl.h rename to arch/parisc/include/asm/grfioctl.h diff --git a/include/asm-parisc/hardirq.h b/arch/parisc/include/asm/hardirq.h similarity index 100% rename from include/asm-parisc/hardirq.h rename to arch/parisc/include/asm/hardirq.h diff --git a/include/asm-parisc/hardware.h b/arch/parisc/include/asm/hardware.h similarity index 100% rename from include/asm-parisc/hardware.h rename to arch/parisc/include/asm/hardware.h diff --git a/include/asm-parisc/hw_irq.h b/arch/parisc/include/asm/hw_irq.h similarity index 100% rename from include/asm-parisc/hw_irq.h rename to arch/parisc/include/asm/hw_irq.h diff --git a/include/asm-parisc/ide.h b/arch/parisc/include/asm/ide.h similarity index 100% rename from include/asm-parisc/ide.h rename to arch/parisc/include/asm/ide.h diff --git a/include/asm-parisc/io.h b/arch/parisc/include/asm/io.h similarity index 100% rename from include/asm-parisc/io.h rename to arch/parisc/include/asm/io.h diff --git a/include/asm-parisc/ioctl.h b/arch/parisc/include/asm/ioctl.h similarity index 100% rename from include/asm-parisc/ioctl.h rename to arch/parisc/include/asm/ioctl.h diff --git a/include/asm-parisc/ioctls.h b/arch/parisc/include/asm/ioctls.h similarity index 100% rename from include/asm-parisc/ioctls.h rename to arch/parisc/include/asm/ioctls.h diff --git a/include/asm-parisc/ipcbuf.h b/arch/parisc/include/asm/ipcbuf.h similarity index 100% rename from include/asm-parisc/ipcbuf.h rename to arch/parisc/include/asm/ipcbuf.h diff --git a/include/asm-parisc/irq.h b/arch/parisc/include/asm/irq.h similarity index 100% rename from include/asm-parisc/irq.h rename to arch/parisc/include/asm/irq.h diff --git a/include/asm-parisc/irq_regs.h b/arch/parisc/include/asm/irq_regs.h similarity index 100% rename from include/asm-parisc/irq_regs.h rename to arch/parisc/include/asm/irq_regs.h diff --git a/include/asm-parisc/kdebug.h b/arch/parisc/include/asm/kdebug.h similarity index 100% rename from include/asm-parisc/kdebug.h rename to arch/parisc/include/asm/kdebug.h diff --git a/include/asm-parisc/kmap_types.h b/arch/parisc/include/asm/kmap_types.h similarity index 100% rename from include/asm-parisc/kmap_types.h rename to arch/parisc/include/asm/kmap_types.h diff --git a/include/asm-parisc/led.h b/arch/parisc/include/asm/led.h similarity index 100% rename from include/asm-parisc/led.h rename to arch/parisc/include/asm/led.h diff --git a/include/asm-parisc/linkage.h b/arch/parisc/include/asm/linkage.h similarity index 100% rename from include/asm-parisc/linkage.h rename to arch/parisc/include/asm/linkage.h diff --git a/include/asm-parisc/local.h b/arch/parisc/include/asm/local.h similarity index 100% rename from include/asm-parisc/local.h rename to arch/parisc/include/asm/local.h diff --git a/include/asm-parisc/machdep.h b/arch/parisc/include/asm/machdep.h similarity index 100% rename from include/asm-parisc/machdep.h rename to arch/parisc/include/asm/machdep.h diff --git a/include/asm-parisc/mc146818rtc.h b/arch/parisc/include/asm/mc146818rtc.h similarity index 100% rename from include/asm-parisc/mc146818rtc.h rename to arch/parisc/include/asm/mc146818rtc.h diff --git a/include/asm-parisc/mckinley.h b/arch/parisc/include/asm/mckinley.h similarity index 100% rename from include/asm-parisc/mckinley.h rename to arch/parisc/include/asm/mckinley.h diff --git a/include/asm-parisc/mman.h b/arch/parisc/include/asm/mman.h similarity index 100% rename from include/asm-parisc/mman.h rename to arch/parisc/include/asm/mman.h diff --git a/include/asm-parisc/mmu.h b/arch/parisc/include/asm/mmu.h similarity index 100% rename from include/asm-parisc/mmu.h rename to arch/parisc/include/asm/mmu.h diff --git a/include/asm-parisc/mmu_context.h b/arch/parisc/include/asm/mmu_context.h similarity index 100% rename from include/asm-parisc/mmu_context.h rename to arch/parisc/include/asm/mmu_context.h diff --git a/include/asm-parisc/mmzone.h b/arch/parisc/include/asm/mmzone.h similarity index 100% rename from include/asm-parisc/mmzone.h rename to arch/parisc/include/asm/mmzone.h diff --git a/include/asm-parisc/module.h b/arch/parisc/include/asm/module.h similarity index 100% rename from include/asm-parisc/module.h rename to arch/parisc/include/asm/module.h diff --git a/include/asm-parisc/msgbuf.h b/arch/parisc/include/asm/msgbuf.h similarity index 100% rename from include/asm-parisc/msgbuf.h rename to arch/parisc/include/asm/msgbuf.h diff --git a/include/asm-parisc/mutex.h b/arch/parisc/include/asm/mutex.h similarity index 100% rename from include/asm-parisc/mutex.h rename to arch/parisc/include/asm/mutex.h diff --git a/include/asm-parisc/page.h b/arch/parisc/include/asm/page.h similarity index 100% rename from include/asm-parisc/page.h rename to arch/parisc/include/asm/page.h diff --git a/include/asm-parisc/param.h b/arch/parisc/include/asm/param.h similarity index 100% rename from include/asm-parisc/param.h rename to arch/parisc/include/asm/param.h diff --git a/include/asm-parisc/parisc-device.h b/arch/parisc/include/asm/parisc-device.h similarity index 100% rename from include/asm-parisc/parisc-device.h rename to arch/parisc/include/asm/parisc-device.h diff --git a/include/asm-parisc/parport.h b/arch/parisc/include/asm/parport.h similarity index 100% rename from include/asm-parisc/parport.h rename to arch/parisc/include/asm/parport.h diff --git a/include/asm-parisc/pci.h b/arch/parisc/include/asm/pci.h similarity index 100% rename from include/asm-parisc/pci.h rename to arch/parisc/include/asm/pci.h diff --git a/include/asm-parisc/pdc.h b/arch/parisc/include/asm/pdc.h similarity index 100% rename from include/asm-parisc/pdc.h rename to arch/parisc/include/asm/pdc.h diff --git a/include/asm-parisc/pdc_chassis.h b/arch/parisc/include/asm/pdc_chassis.h similarity index 100% rename from include/asm-parisc/pdc_chassis.h rename to arch/parisc/include/asm/pdc_chassis.h diff --git a/include/asm-parisc/pdcpat.h b/arch/parisc/include/asm/pdcpat.h similarity index 100% rename from include/asm-parisc/pdcpat.h rename to arch/parisc/include/asm/pdcpat.h diff --git a/include/asm-parisc/percpu.h b/arch/parisc/include/asm/percpu.h similarity index 100% rename from include/asm-parisc/percpu.h rename to arch/parisc/include/asm/percpu.h diff --git a/include/asm-parisc/perf.h b/arch/parisc/include/asm/perf.h similarity index 100% rename from include/asm-parisc/perf.h rename to arch/parisc/include/asm/perf.h diff --git a/include/asm-parisc/pgalloc.h b/arch/parisc/include/asm/pgalloc.h similarity index 100% rename from include/asm-parisc/pgalloc.h rename to arch/parisc/include/asm/pgalloc.h diff --git a/include/asm-parisc/pgtable.h b/arch/parisc/include/asm/pgtable.h similarity index 100% rename from include/asm-parisc/pgtable.h rename to arch/parisc/include/asm/pgtable.h diff --git a/include/asm-parisc/poll.h b/arch/parisc/include/asm/poll.h similarity index 100% rename from include/asm-parisc/poll.h rename to arch/parisc/include/asm/poll.h diff --git a/include/asm-parisc/posix_types.h b/arch/parisc/include/asm/posix_types.h similarity index 100% rename from include/asm-parisc/posix_types.h rename to arch/parisc/include/asm/posix_types.h diff --git a/include/asm-parisc/prefetch.h b/arch/parisc/include/asm/prefetch.h similarity index 100% rename from include/asm-parisc/prefetch.h rename to arch/parisc/include/asm/prefetch.h diff --git a/include/asm-parisc/processor.h b/arch/parisc/include/asm/processor.h similarity index 100% rename from include/asm-parisc/processor.h rename to arch/parisc/include/asm/processor.h diff --git a/include/asm-parisc/psw.h b/arch/parisc/include/asm/psw.h similarity index 100% rename from include/asm-parisc/psw.h rename to arch/parisc/include/asm/psw.h diff --git a/include/asm-parisc/ptrace.h b/arch/parisc/include/asm/ptrace.h similarity index 100% rename from include/asm-parisc/ptrace.h rename to arch/parisc/include/asm/ptrace.h diff --git a/include/asm-parisc/real.h b/arch/parisc/include/asm/real.h similarity index 100% rename from include/asm-parisc/real.h rename to arch/parisc/include/asm/real.h diff --git a/include/asm-parisc/resource.h b/arch/parisc/include/asm/resource.h similarity index 100% rename from include/asm-parisc/resource.h rename to arch/parisc/include/asm/resource.h diff --git a/include/asm-parisc/ropes.h b/arch/parisc/include/asm/ropes.h similarity index 100% rename from include/asm-parisc/ropes.h rename to arch/parisc/include/asm/ropes.h diff --git a/include/asm-parisc/rt_sigframe.h b/arch/parisc/include/asm/rt_sigframe.h similarity index 100% rename from include/asm-parisc/rt_sigframe.h rename to arch/parisc/include/asm/rt_sigframe.h diff --git a/include/asm-parisc/rtc.h b/arch/parisc/include/asm/rtc.h similarity index 100% rename from include/asm-parisc/rtc.h rename to arch/parisc/include/asm/rtc.h diff --git a/include/asm-parisc/runway.h b/arch/parisc/include/asm/runway.h similarity index 100% rename from include/asm-parisc/runway.h rename to arch/parisc/include/asm/runway.h diff --git a/include/asm-parisc/scatterlist.h b/arch/parisc/include/asm/scatterlist.h similarity index 100% rename from include/asm-parisc/scatterlist.h rename to arch/parisc/include/asm/scatterlist.h diff --git a/include/asm-parisc/sections.h b/arch/parisc/include/asm/sections.h similarity index 100% rename from include/asm-parisc/sections.h rename to arch/parisc/include/asm/sections.h diff --git a/include/asm-parisc/segment.h b/arch/parisc/include/asm/segment.h similarity index 100% rename from include/asm-parisc/segment.h rename to arch/parisc/include/asm/segment.h diff --git a/include/asm-parisc/sembuf.h b/arch/parisc/include/asm/sembuf.h similarity index 100% rename from include/asm-parisc/sembuf.h rename to arch/parisc/include/asm/sembuf.h diff --git a/include/asm-parisc/serial.h b/arch/parisc/include/asm/serial.h similarity index 100% rename from include/asm-parisc/serial.h rename to arch/parisc/include/asm/serial.h diff --git a/include/asm-parisc/setup.h b/arch/parisc/include/asm/setup.h similarity index 100% rename from include/asm-parisc/setup.h rename to arch/parisc/include/asm/setup.h diff --git a/include/asm-parisc/shmbuf.h b/arch/parisc/include/asm/shmbuf.h similarity index 100% rename from include/asm-parisc/shmbuf.h rename to arch/parisc/include/asm/shmbuf.h diff --git a/include/asm-parisc/shmparam.h b/arch/parisc/include/asm/shmparam.h similarity index 100% rename from include/asm-parisc/shmparam.h rename to arch/parisc/include/asm/shmparam.h diff --git a/include/asm-parisc/sigcontext.h b/arch/parisc/include/asm/sigcontext.h similarity index 100% rename from include/asm-parisc/sigcontext.h rename to arch/parisc/include/asm/sigcontext.h diff --git a/include/asm-parisc/siginfo.h b/arch/parisc/include/asm/siginfo.h similarity index 100% rename from include/asm-parisc/siginfo.h rename to arch/parisc/include/asm/siginfo.h diff --git a/include/asm-parisc/signal.h b/arch/parisc/include/asm/signal.h similarity index 100% rename from include/asm-parisc/signal.h rename to arch/parisc/include/asm/signal.h diff --git a/include/asm-parisc/smp.h b/arch/parisc/include/asm/smp.h similarity index 100% rename from include/asm-parisc/smp.h rename to arch/parisc/include/asm/smp.h diff --git a/include/asm-parisc/socket.h b/arch/parisc/include/asm/socket.h similarity index 100% rename from include/asm-parisc/socket.h rename to arch/parisc/include/asm/socket.h diff --git a/include/asm-parisc/sockios.h b/arch/parisc/include/asm/sockios.h similarity index 100% rename from include/asm-parisc/sockios.h rename to arch/parisc/include/asm/sockios.h diff --git a/include/asm-parisc/spinlock.h b/arch/parisc/include/asm/spinlock.h similarity index 100% rename from include/asm-parisc/spinlock.h rename to arch/parisc/include/asm/spinlock.h diff --git a/include/asm-parisc/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h similarity index 100% rename from include/asm-parisc/spinlock_types.h rename to arch/parisc/include/asm/spinlock_types.h diff --git a/include/asm-parisc/stat.h b/arch/parisc/include/asm/stat.h similarity index 100% rename from include/asm-parisc/stat.h rename to arch/parisc/include/asm/stat.h diff --git a/include/asm-parisc/statfs.h b/arch/parisc/include/asm/statfs.h similarity index 100% rename from include/asm-parisc/statfs.h rename to arch/parisc/include/asm/statfs.h diff --git a/include/asm-parisc/string.h b/arch/parisc/include/asm/string.h similarity index 100% rename from include/asm-parisc/string.h rename to arch/parisc/include/asm/string.h diff --git a/include/asm-parisc/superio.h b/arch/parisc/include/asm/superio.h similarity index 100% rename from include/asm-parisc/superio.h rename to arch/parisc/include/asm/superio.h diff --git a/include/asm-parisc/system.h b/arch/parisc/include/asm/system.h similarity index 100% rename from include/asm-parisc/system.h rename to arch/parisc/include/asm/system.h diff --git a/include/asm-parisc/termbits.h b/arch/parisc/include/asm/termbits.h similarity index 100% rename from include/asm-parisc/termbits.h rename to arch/parisc/include/asm/termbits.h diff --git a/include/asm-parisc/termios.h b/arch/parisc/include/asm/termios.h similarity index 100% rename from include/asm-parisc/termios.h rename to arch/parisc/include/asm/termios.h diff --git a/include/asm-parisc/thread_info.h b/arch/parisc/include/asm/thread_info.h similarity index 100% rename from include/asm-parisc/thread_info.h rename to arch/parisc/include/asm/thread_info.h diff --git a/include/asm-parisc/timex.h b/arch/parisc/include/asm/timex.h similarity index 100% rename from include/asm-parisc/timex.h rename to arch/parisc/include/asm/timex.h diff --git a/include/asm-parisc/tlb.h b/arch/parisc/include/asm/tlb.h similarity index 100% rename from include/asm-parisc/tlb.h rename to arch/parisc/include/asm/tlb.h diff --git a/include/asm-parisc/tlbflush.h b/arch/parisc/include/asm/tlbflush.h similarity index 100% rename from include/asm-parisc/tlbflush.h rename to arch/parisc/include/asm/tlbflush.h diff --git a/include/asm-parisc/topology.h b/arch/parisc/include/asm/topology.h similarity index 100% rename from include/asm-parisc/topology.h rename to arch/parisc/include/asm/topology.h diff --git a/include/asm-parisc/traps.h b/arch/parisc/include/asm/traps.h similarity index 100% rename from include/asm-parisc/traps.h rename to arch/parisc/include/asm/traps.h diff --git a/include/asm-parisc/types.h b/arch/parisc/include/asm/types.h similarity index 100% rename from include/asm-parisc/types.h rename to arch/parisc/include/asm/types.h diff --git a/include/asm-parisc/uaccess.h b/arch/parisc/include/asm/uaccess.h similarity index 100% rename from include/asm-parisc/uaccess.h rename to arch/parisc/include/asm/uaccess.h diff --git a/include/asm-parisc/ucontext.h b/arch/parisc/include/asm/ucontext.h similarity index 100% rename from include/asm-parisc/ucontext.h rename to arch/parisc/include/asm/ucontext.h diff --git a/include/asm-parisc/unaligned.h b/arch/parisc/include/asm/unaligned.h similarity index 100% rename from include/asm-parisc/unaligned.h rename to arch/parisc/include/asm/unaligned.h diff --git a/include/asm-parisc/unistd.h b/arch/parisc/include/asm/unistd.h similarity index 100% rename from include/asm-parisc/unistd.h rename to arch/parisc/include/asm/unistd.h diff --git a/include/asm-parisc/unwind.h b/arch/parisc/include/asm/unwind.h similarity index 100% rename from include/asm-parisc/unwind.h rename to arch/parisc/include/asm/unwind.h diff --git a/include/asm-parisc/user.h b/arch/parisc/include/asm/user.h similarity index 100% rename from include/asm-parisc/user.h rename to arch/parisc/include/asm/user.h diff --git a/include/asm-parisc/vga.h b/arch/parisc/include/asm/vga.h similarity index 100% rename from include/asm-parisc/vga.h rename to arch/parisc/include/asm/vga.h diff --git a/include/asm-parisc/xor.h b/arch/parisc/include/asm/xor.h similarity index 100% rename from include/asm-parisc/xor.h rename to arch/parisc/include/asm/xor.h -- GitLab From 24b574d052a1996bac42fbd56715ab602092c291 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Tue, 29 Jul 2008 00:09:22 -0400 Subject: [PATCH 3465/6244] parisc: add pdc_coproc_cfg_unlocked and set_firmware_width_unlocked These functions are called only when bringing up the monarch cpu, so it is safe to call them without taking the pdc spinlock. In the future, this may become relevant for lockdep, since these functions were taking spinlocks before start_kernel called the lockdep initializers. --- arch/parisc/include/asm/pdc.h | 2 ++ arch/parisc/kernel/firmware.c | 65 ++++++++++++++++++++++++----------- 2 files changed, 46 insertions(+), 21 deletions(-) diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h index 46b75f9cce51..c584b00c6074 100644 --- a/arch/parisc/include/asm/pdc.h +++ b/arch/parisc/include/asm/pdc.h @@ -603,6 +603,7 @@ int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsi int pdc_chassis_disp(unsigned long disp); int pdc_chassis_warn(unsigned long *warn); int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info); +int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info); int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index, void *iodc_data, unsigned int iodc_data_size); int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info, @@ -641,6 +642,7 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, #endif void set_firmware_width(void); +void set_firmware_width_unlocked(void); int pdc_do_firm_test_reset(unsigned long ftc_bitmap); int pdc_do_reset(void); int pdc_soft_power_info(unsigned long *power_reg); diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 99a9e505edf9..03f26bd75bd8 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -150,26 +150,40 @@ static void convert_to_wide(unsigned long *addr) #endif } +#ifdef CONFIG_64BIT +void __init set_firmware_width_unlocked(void) +{ + int ret; + + ret = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, + __pa(pdc_result), 0); + convert_to_wide(pdc_result); + if (pdc_result[0] != NARROW_FIRMWARE) + parisc_narrow_firmware = 0; +} + /** * set_firmware_width - Determine if the firmware is wide or narrow. * - * This function must be called before any pdc_* function that uses the convert_to_wide - * function. + * This function must be called before any pdc_* function that uses the + * convert_to_wide function. */ void __init set_firmware_width(void) { -#ifdef CONFIG_64BIT - int retval; unsigned long flags; + spin_lock_irqsave(&pdc_lock, flags); + set_firmware_width_unlocked(); + spin_unlock_irqrestore(&pdc_lock, flags); +} +#else +void __init set_firmware_width_unlocked(void) { + return; +} - spin_lock_irqsave(&pdc_lock, flags); - retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0); - convert_to_wide(pdc_result); - if(pdc_result[0] != NARROW_FIRMWARE) - parisc_narrow_firmware = 0; - spin_unlock_irqrestore(&pdc_lock, flags); -#endif +void __init set_firmware_width(void) { + return; } +#endif /*CONFIG_64BIT*/ /** * pdc_emergency_unlock - Unlock the linux pdc lock @@ -288,6 +302,20 @@ int pdc_chassis_warn(unsigned long *warn) return retval; } +int __init pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) +{ + int ret; + + ret = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result)); + convert_to_wide(pdc_result); + pdc_coproc_info->ccr_functional = pdc_result[0]; + pdc_coproc_info->ccr_present = pdc_result[1]; + pdc_coproc_info->revision = pdc_result[17]; + pdc_coproc_info->model = pdc_result[18]; + + return ret; +} + /** * pdc_coproc_cfg - To identify coprocessors attached to the processor. * @pdc_coproc_info: Return buffer address. @@ -297,19 +325,14 @@ int pdc_chassis_warn(unsigned long *warn) */ int __init pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info) { - int retval; + int ret; unsigned long flags; - spin_lock_irqsave(&pdc_lock, flags); - retval = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result)); - convert_to_wide(pdc_result); - pdc_coproc_info->ccr_functional = pdc_result[0]; - pdc_coproc_info->ccr_present = pdc_result[1]; - pdc_coproc_info->revision = pdc_result[17]; - pdc_coproc_info->model = pdc_result[18]; - spin_unlock_irqrestore(&pdc_lock, flags); + spin_lock_irqsave(&pdc_lock, flags); + ret = pdc_coproc_cfg_unlocked(pdc_coproc_info); + spin_unlock_irqrestore(&pdc_lock, flags); - return retval; + return ret; } /** -- GitLab From 089d55289db5d58d938d73b47a415b2b82ee19ac Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Tue, 29 Jul 2008 00:11:13 -0400 Subject: [PATCH 3466/6244] parisc: hijack jump to start_kernel Bang in our own start_parisc call, which initializes the PDC width, and turns on the FPU. Previously, if CONFIG_PRINTK_TIME was on, we'd attempt to use the FPU before we had enabled it, resulting in a difficult to diagnose panic. This patch causes init_per_cpu to redundantly set these for cpu0, but this is harmless. --- arch/parisc/kernel/head.S | 2 +- arch/parisc/kernel/setup.c | 27 ++++++++++++++++++++++++++- 2 files changed, 27 insertions(+), 2 deletions(-) diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index a84e31e82876..0e3d9f9b9e33 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -121,7 +121,7 @@ $pgt_fill_loop: copy %r0,%r2 /* And the RFI Target address too */ - load32 start_kernel,%r11 + load32 start_parisc,%r11 /* And the initial task pointer */ load32 init_thread_union,%r6 diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 39e7c5a5946a..a59b71efdbe5 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -368,6 +368,31 @@ static int __init parisc_init(void) return 0; } - arch_initcall(parisc_init); +void start_parisc(void) +{ + extern void start_kernel(void); + + int ret, cpunum; + struct pdc_coproc_cfg coproc_cfg; + + cpunum = smp_processor_id(); + + set_firmware_width_unlocked(); + + ret = pdc_coproc_cfg_unlocked(&coproc_cfg); + if (ret >= 0 && coproc_cfg.ccr_functional) { + mtctl(coproc_cfg.ccr_functional, 10); + + cpu_data[cpunum].fp_rev = coproc_cfg.revision; + cpu_data[cpunum].fp_model = coproc_cfg.model; + + asm volatile ("fstd %fr0,8(%sp)"); + } else { + panic("must have an fpu to boot linux"); + } + + start_kernel(); + // not reached +} -- GitLab From 0be7d1fe4361bb9f2ebbd6fa394687cbe4bea950 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Sat, 9 Aug 2008 14:38:18 -0400 Subject: [PATCH 3467/6244] parisc: add new syscalls Signed-off-by: Kyle McMartin --- arch/parisc/include/asm/unistd.h | 10 ++++++++-- arch/parisc/kernel/syscall_table.S | 6 ++++++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h index a7d857f0e4f4..ef26b009dc5d 100644 --- a/arch/parisc/include/asm/unistd.h +++ b/arch/parisc/include/asm/unistd.h @@ -801,8 +801,14 @@ #define __NR_timerfd_create (__NR_Linux + 306) #define __NR_timerfd_settime (__NR_Linux + 307) #define __NR_timerfd_gettime (__NR_Linux + 308) - -#define __NR_Linux_syscalls (__NR_timerfd_gettime + 1) +#define __NR_signalfd4 (__NR_Linux + 309) +#define __NR_eventfd2 (__NR_Linux + 310) +#define __NR_epoll_create1 (__NR_Linux + 311) +#define __NR_dup3 (__NR_Linux + 312) +#define __NR_pipe2 (__NR_Linux + 313) +#define __NR_inotify_init1 (__NR_Linux + 314) + +#define __NR_Linux_syscalls (__NR_inotify_init1 + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 6b5ac38f5a99..6084667eacf9 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -407,6 +407,12 @@ ENTRY_SAME(timerfd_create) ENTRY_COMP(timerfd_settime) ENTRY_COMP(timerfd_gettime) + ENTRY_COMP(signalfd4) + ENTRY_SAME(eventfd2) /* 310 */ + ENTRY_SAME(epoll_create1) + ENTRY_SAME(dup3) + ENTRY_SAME(pipe2) + ENTRY_SAME(inotify_init1) /* Nothing yet */ -- GitLab From f0514ae323f19ba1ad4bea4174ea274c812f7eee Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Thu, 11 Sep 2008 10:17:23 -0400 Subject: [PATCH 3468/6244] parisc: initialize unwinder much earlier The unwinder was being initialized way too late to be any use debugging early boot crashes. Instead of relying on module_init initcalls to initialize it, let's do it explicitly as early as we can. Signed-off-by: James Bottomley Signed-off-by: Kyle McMartin --- arch/parisc/include/asm/unwind.h | 2 ++ arch/parisc/kernel/setup.c | 2 ++ arch/parisc/kernel/unwind.c | 4 +--- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/parisc/include/asm/unwind.h b/arch/parisc/include/asm/unwind.h index 2f7e6e50a158..52482e4fc20d 100644 --- a/arch/parisc/include/asm/unwind.h +++ b/arch/parisc/include/asm/unwind.h @@ -74,4 +74,6 @@ void unwind_frame_init_running(struct unwind_frame_info *info, struct pt_regs *r int unwind_once(struct unwind_frame_info *info); int unwind_to_user(struct unwind_frame_info *info); +int unwind_init(void); + #endif diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index a59b71efdbe5..7d27853ff8c8 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -44,6 +44,7 @@ #include #include #include +#include static char __initdata command_line[COMMAND_LINE_SIZE]; @@ -123,6 +124,7 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_64BIT extern int parisc_narrow_firmware; #endif + unwind_init(); init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */ diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 701b2d2d8882..6773c582e457 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -170,7 +170,7 @@ void unwind_table_remove(struct unwind_table *table) } /* Called from setup_arch to import the kernel unwind info */ -static int unwind_init(void) +int unwind_init(void) { long start, stop; register unsigned long gp __asm__ ("r27"); @@ -417,5 +417,3 @@ int unwind_to_user(struct unwind_frame_info *info) return ret; } - -module_init(unwind_init); -- GitLab From 9eb1686423756f4dfb0ad8bfb02bb8bf1b89e50a Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Wed, 10 Sep 2008 14:24:07 +0000 Subject: [PATCH 3469/6244] parisc: add rtc platform driver Signed-off-by: Kyle McMartin --- arch/parisc/Kconfig | 2 + arch/parisc/kernel/time.c | 20 ++++++- drivers/rtc/Kconfig | 8 +++ drivers/rtc/Makefile | 1 + drivers/rtc/rtc-parisc.c | 111 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 141 insertions(+), 1 deletion(-) create mode 100644 drivers/rtc/rtc-parisc.c diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index a7d4fd353c2b..0a8ac703dbec 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -9,6 +9,8 @@ config PARISC def_bool y select HAVE_IDE select HAVE_OPROFILE + select RTC_CLASS + select RTC_DRV_PARISC help The PA-RISC microprocessor is designed by Hewlett-Packard and used in many of their workstations & servers (HP9000 700 and 800 series, diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index 24be86bba94d..4d09203bc693 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -215,6 +216,24 @@ void __init start_cpu_itimer(void) cpu_data[cpu].it_value = next_tick; } +struct platform_device rtc_parisc_dev = { + .name = "rtc-parisc", + .id = -1, +}; + +static int __init rtc_init(void) +{ + int ret; + + ret = platform_device_register(&rtc_parisc_dev); + if (ret < 0) + printk(KERN_ERR "unable to register rtc device...\n"); + + /* not necessarily an error */ + return 0; +} +module_init(rtc_init); + void __init time_init(void) { static struct pdc_tod tod_data; @@ -245,4 +264,3 @@ void __init time_init(void) xtime.tv_nsec = 0; } } - diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 9a9755c92fad..30d40fe194a8 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -575,6 +575,14 @@ config RTC_DRV_RS5C313 help If you say yes here you get support for the Ricoh RS5C313 RTC chips. +config RTC_DRV_PARISC + tristate "PA-RISC firmware RTC support" + depends on PARISC + help + Say Y or M here to enable RTC support on PA-RISC systems using + firmware calls. If you do not know what you are doing, you should + just say Y. + config RTC_DRV_PPC tristate "PowerPC machine dependent RTC support" depends on PPC_MERGE diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 18622ef84cab..180ddacde730 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030.o obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o +obj-$(CONFIG_RTC_DRV_PARISC) += rtc-parisc.o obj-$(CONFIG_RTC_DRV_PPC) += rtc-ppc.o obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c new file mode 100644 index 000000000000..346d633655e7 --- /dev/null +++ b/drivers/rtc/rtc-parisc.c @@ -0,0 +1,111 @@ +/* rtc-parisc: RTC for HP PA-RISC firmware + * + * Copyright (C) 2008 Kyle McMartin + */ + +#include +#include +#include +#include + +#include + +/* as simple as can be, and no simpler. */ +struct parisc_rtc { + struct rtc_device *rtc; + spinlock_t lock; +}; + +static int parisc_get_time(struct device *dev, struct rtc_time *tm) +{ + struct parisc_rtc *p = dev_get_drvdata(dev); + unsigned long flags, ret; + + spin_lock_irqsave(&p->lock, flags); + ret = get_rtc_time(tm); + spin_unlock_irqrestore(&p->lock, flags); + + if (ret & RTC_BATT_BAD) + return -EOPNOTSUPP; + + return 0; +} + +static int parisc_set_time(struct device *dev, struct rtc_time *tm) +{ + struct parisc_rtc *p = dev_get_drvdata(dev); + unsigned long flags, ret; + + spin_lock_irqsave(&p->lock, flags); + ret = set_rtc_time(tm); + spin_unlock_irqrestore(&p->lock, flags); + + if (ret < 0) + return -EOPNOTSUPP; + + return 0; +} + +static const struct rtc_class_ops parisc_rtc_ops = { + .read_time = parisc_get_time, + .set_time = parisc_set_time, +}; + +static int __devinit parisc_rtc_probe(struct platform_device *dev) +{ + struct parisc_rtc *p; + + p = kzalloc(sizeof (*p), GFP_KERNEL); + if (!p) + return -ENOMEM; + + spin_lock_init(&p->lock); + + p->rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops, + THIS_MODULE); + if (IS_ERR(p->rtc)) { + int err = PTR_ERR(p->rtc); + kfree(p); + return err; + } + + platform_set_drvdata(dev, p); + + return 0; +} + +static int __devexit parisc_rtc_remove(struct platform_device *dev) +{ + struct parisc_rtc *p = platform_get_drvdata(dev); + + rtc_device_unregister(p->rtc); + kfree(p); + + return 0; +} + +static struct platform_driver parisc_rtc_driver = { + .driver = { + .name = "rtc-parisc", + .owner = THIS_MODULE, + }, + .probe = parisc_rtc_probe, + .remove = __devexit_p(parisc_rtc_remove), +}; + +static int __init parisc_rtc_init(void) +{ + return platform_driver_register(&parisc_rtc_driver); +} + +static void __exit parisc_rtc_fini(void) +{ + platform_driver_unregister(&parisc_rtc_driver); +} + +module_init(parisc_rtc_init); +module_exit(parisc_rtc_fini); + +MODULE_AUTHOR("Kyle McMartin "); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("HP PA-RISC RTC driver"); -- GitLab From b2bc27314664c4d1a2f02e6f4cd0c32e4681d61e Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:36 -0700 Subject: [PATCH 3470/6244] x86, cpa: rename PTE attribute macros for kernel direct mapping in early boot Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/kernel/head_32.S | 34 +++++++++++++++------------------- arch/x86/kernel/head_64.S | 4 ++-- include/asm-x86/pgtable.h | 11 +++++++++++ 3 files changed, 28 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index a7010c3a377a..e835b4eea70b 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -172,10 +172,6 @@ num_subarch_entries = (. - subarch_entries) / 4 * * Note that the stack is not yet set up! */ -#define PTE_ATTR 0x007 /* PRESENT+RW+USER */ -#define PDE_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ -#define PGD_ATTR 0x001 /* PRESENT (no other attributes) */ - default_entry: #ifdef CONFIG_X86_PAE @@ -196,9 +192,9 @@ default_entry: movl $pa(pg0), %edi movl %edi, pa(init_pg_tables_start) movl $pa(swapper_pg_pmd), %edx - movl $PTE_ATTR, %eax + movl $PTE_IDENT_ATTR, %eax 10: - leal PDE_ATTR(%edi),%ecx /* Create PMD entry */ + leal PDE_IDENT_ATTR(%edi),%ecx /* Create PMD entry */ movl %ecx,(%edx) /* Store PMD entry */ /* Upper half already zero */ addl $8,%edx @@ -215,7 +211,7 @@ default_entry: * End condition: we must map up to and including INIT_MAP_BEYOND_END * bytes beyond the end of our own page tables. */ - leal (INIT_MAP_BEYOND_END+PTE_ATTR)(%edi),%ebp + leal (INIT_MAP_BEYOND_END+PTE_IDENT_ATTR)(%edi),%ebp cmpl %ebp,%eax jb 10b 1: @@ -224,7 +220,7 @@ default_entry: movl %eax, pa(max_pfn_mapped) /* Do early initialization of the fixmap area */ - movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax + movl $pa(swapper_pg_fixmap)+PDE_IDENT_ATTR,%eax movl %eax,pa(swapper_pg_pmd+0x1000*KPMDS-8) #else /* Not PAE */ @@ -233,9 +229,9 @@ page_pde_offset = (__PAGE_OFFSET >> 20); movl $pa(pg0), %edi movl %edi, pa(init_pg_tables_start) movl $pa(swapper_pg_dir), %edx - movl $PTE_ATTR, %eax + movl $PTE_IDENT_ATTR, %eax 10: - leal PDE_ATTR(%edi),%ecx /* Create PDE entry */ + leal PDE_IDENT_ATTR(%edi),%ecx /* Create PDE entry */ movl %ecx,(%edx) /* Store identity PDE entry */ movl %ecx,page_pde_offset(%edx) /* Store kernel PDE entry */ addl $4,%edx @@ -249,7 +245,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); * bytes beyond the end of our own page tables; the +0x007 is * the attribute bits */ - leal (INIT_MAP_BEYOND_END+PTE_ATTR)(%edi),%ebp + leal (INIT_MAP_BEYOND_END+PTE_IDENT_ATTR)(%edi),%ebp cmpl %ebp,%eax jb 10b movl %edi,pa(init_pg_tables_end) @@ -257,7 +253,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); movl %eax, pa(max_pfn_mapped) /* Do early initialization of the fixmap area */ - movl $pa(swapper_pg_fixmap)+PDE_ATTR,%eax + movl $pa(swapper_pg_fixmap)+PDE_IDENT_ATTR,%eax movl %eax,pa(swapper_pg_dir+0xffc) #endif jmp 3f @@ -634,19 +630,19 @@ ENTRY(empty_zero_page) /* Page-aligned for the benefit of paravirt? */ .align PAGE_SIZE_asm ENTRY(swapper_pg_dir) - .long pa(swapper_pg_pmd+PGD_ATTR),0 /* low identity map */ + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */ # if KPMDS == 3 - .long pa(swapper_pg_pmd+PGD_ATTR),0 - .long pa(swapper_pg_pmd+PGD_ATTR+0x1000),0 - .long pa(swapper_pg_pmd+PGD_ATTR+0x2000),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR+0x1000),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR+0x2000),0 # elif KPMDS == 2 .long 0,0 - .long pa(swapper_pg_pmd+PGD_ATTR),0 - .long pa(swapper_pg_pmd+PGD_ATTR+0x1000),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR+0x1000),0 # elif KPMDS == 1 .long 0,0 .long 0,0 - .long pa(swapper_pg_pmd+PGD_ATTR),0 + .long pa(swapper_pg_pmd+PGD_IDENT_ATTR),0 # else # error "Kernel PMDs should be 1, 2 or 3" # endif diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index db3280afe886..26cfdc1d7c7f 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -110,7 +110,7 @@ startup_64: movq %rdi, %rax shrq $PMD_SHIFT, %rax andq $(PTRS_PER_PMD - 1), %rax - leaq __PAGE_KERNEL_LARGE_EXEC(%rdi), %rdx + leaq __PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx leaq level2_spare_pgt(%rip), %rbx movq %rdx, 0(%rbx, %rax, 8) ident_complete: @@ -374,7 +374,7 @@ NEXT_PAGE(level2_ident_pgt) /* Since I easily can, map the first 1G. * Don't set NX because code runs from these pages. */ - PMDS(0, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD) + PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD) NEXT_PAGE(level2_kernel_pgt) /* diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index eccd52406ab1..0ff73e7737ad 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -132,6 +132,17 @@ #define __S110 PAGE_SHARED_EXEC #define __S111 PAGE_SHARED_EXEC +/* + * early identity mapping pte attrib macros. + */ +#ifdef CONFIG_X86_64 +#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC +#else +#define PTE_IDENT_ATTR 0x007 /* PRESENT+RW+USER */ +#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ +#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ +#endif + #ifndef __ASSEMBLY__ /* -- GitLab From 3a85e770aa77e4f1a4096275c97b64c10cd7323e Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:37 -0700 Subject: [PATCH 3471/6244] x86, cpa: remove USER permission from the very early identity mapping attribute remove USER from the PTE/PDE attributes for the very early identity mapping. We overwrite these mappings with KERNEL attribute later in the boot. Just being paranoid here as there is no need for USER bit to be set. If this breaks something(don't know the history), then we can simply drop this change. Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- include/asm-x86/pgtable.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 0ff73e7737ad..bbf0f591d1b8 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -138,8 +138,8 @@ #ifdef CONFIG_X86_64 #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC #else -#define PTE_IDENT_ATTR 0x007 /* PRESENT+RW+USER */ -#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ +#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ +#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ #endif -- GitLab From a2699e477b8e6b17d4da64916f766dd5a2576c9c Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:38 -0700 Subject: [PATCH 3472/6244] x86, cpa: make the kernel physical mapping initialization a two pass sequence In the first pass, kernel physical mapping will be setup using large or small pages but uses the same PTE attributes as that of the early PTE attributes setup by early boot code in head_[32|64].S After flushing TLB's, we go through the second pass, which setups the direct mapped PTE's with the appropriate attributes (like NX, GLOBAL etc) which are runtime detectable. This two pass mechanism conforms to the TLB app note which says: "Software should not write to a paging-structure entry in a way that would change, for any linear address, both the page size and either the page frame or attributes." Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 65 +++++++++++++++++++++++++--- arch/x86/mm/init_64.c | 99 ++++++++++++++++++++++++++++++++++++------- 2 files changed, 144 insertions(+), 20 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index d37f29376b0c..9b5f7d7049d0 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -194,11 +194,30 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base, pgd_t *pgd; pmd_t *pmd; pte_t *pte; - unsigned pages_2m = 0, pages_4k = 0; + unsigned pages_2m, pages_4k; + int mapping_iter; + + /* + * First iteration will setup identity mapping using large/small pages + * based on use_pse, with other attributes same as set by + * the early code in head_32.S + * + * Second iteration will setup the appropriate attributes (NX, GLOBAL..) + * as desired for the kernel identity mapping. + * + * This two pass mechanism conforms to the TLB app note which says: + * + * "Software should not write to a paging-structure entry in a way + * that would change, for any linear address, both the page size + * and either the page frame or attributes." + */ + mapping_iter = 1; if (!cpu_has_pse) use_pse = 0; +repeat: + pages_2m = pages_4k = 0; pfn = start_pfn; pgd_idx = pgd_index((pfn<> PAGE_SHIFT, PAGE_KERNEL).pte); + pages++; +repeat_set_pte: set_pte(pte, pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL)); last_map_addr = (addr & PAGE_MASK) + PAGE_SIZE; - pages++; } - update_page_count(PG_LEVEL_4K, pages); + + if (physical_mapping_iter == 1) + update_page_count(PG_LEVEL_4K, pages); return last_map_addr; } @@ -318,7 +323,6 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, { unsigned long pages = 0; unsigned long last_map_addr = end; - unsigned long start = address; int i = pmd_index(address); @@ -341,15 +345,14 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, last_map_addr = phys_pte_update(pmd, address, end); spin_unlock(&init_mm.page_table_lock); + continue; } - /* Count entries we're using from level2_ident_pgt */ - if (start == 0) - pages++; - continue; + goto repeat_set_pte; } if (page_size_mask & (1<> PAGE_SHIFT, PAGE_KERNEL_LARGE)); @@ -366,7 +369,8 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, pmd_populate_kernel(&init_mm, pmd, __va(pte_phys)); spin_unlock(&init_mm.page_table_lock); } - update_page_count(PG_LEVEL_2M, pages); + if (physical_mapping_iter == 1) + update_page_count(PG_LEVEL_2M, pages); return last_map_addr; } @@ -405,14 +409,18 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, } if (pud_val(*pud)) { - if (!pud_large(*pud)) + if (!pud_large(*pud)) { last_map_addr = phys_pmd_update(pud, addr, end, page_size_mask); - continue; + continue; + } + + goto repeat_set_pte; } if (page_size_mask & (1<> PAGE_SHIFT, PAGE_KERNEL_LARGE)); @@ -430,7 +438,9 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, spin_unlock(&init_mm.page_table_lock); } __flush_tlb_all(); - update_page_count(PG_LEVEL_1G, pages); + + if (physical_mapping_iter == 1) + update_page_count(PG_LEVEL_1G, pages); return last_map_addr; } @@ -494,15 +504,54 @@ static void __init init_gbpages(void) direct_gbpages = 0; } +static int is_kernel(unsigned long pfn) +{ + unsigned long pg_addresss = pfn << PAGE_SHIFT; + + if (pg_addresss >= (unsigned long) __pa(_text) && + pg_addresss <= (unsigned long) __pa(_end)) + return 1; + + return 0; +} + static unsigned long __init kernel_physical_mapping_init(unsigned long start, unsigned long end, unsigned long page_size_mask) { - unsigned long next, last_map_addr = end; + unsigned long next, last_map_addr; + u64 cached_supported_pte_mask = __supported_pte_mask; + unsigned long cache_start = start; + unsigned long cache_end = end; + + /* + * First iteration will setup identity mapping using large/small pages + * based on page_size_mask, with other attributes same as set by + * the early code in head_64.S + * + * Second iteration will setup the appropriate attributes + * as desired for the kernel identity mapping. + * + * This two pass mechanism conforms to the TLB app note which says: + * + * "Software should not write to a paging-structure entry in a way + * that would change, for any linear address, both the page size + * and either the page frame or attributes." + * + * For now, only difference between very early PTE attributes used in + * head_64.S and here is _PAGE_NX. + */ + BUILD_BUG_ON((__PAGE_KERNEL_LARGE & ~__PAGE_KERNEL_IDENT_LARGE_EXEC) + != _PAGE_NX); + __supported_pte_mask &= ~(_PAGE_NX); + physical_mapping_iter = 1; - start = (unsigned long)__va(start); - end = (unsigned long)__va(end); +repeat: + last_map_addr = cache_end; + + start = (unsigned long)__va(cache_start); + end = (unsigned long)__va(cache_end); for (; start < end; start = next) { pgd_t *pgd = pgd_offset_k(start); @@ -514,11 +563,21 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start, next = end; if (pgd_val(*pgd)) { + /* + * Static identity mappings will be overwritten + * with run-time mappings. For example, this allows + * the static 0-1GB identity mapping to be mapped + * non-executable with this. + */ + if (is_kernel(pte_pfn(*((pte_t *) pgd)))) + goto realloc; + last_map_addr = phys_pud_update(pgd, __pa(start), __pa(end), page_size_mask); continue; } +realloc: pud = alloc_low_page(&pud_phys); last_map_addr = phys_pud_init(pud, __pa(start), __pa(next), page_size_mask); @@ -528,6 +587,16 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start, pgd_populate(&init_mm, pgd, __va(pud_phys)); spin_unlock(&init_mm.page_table_lock); } + __flush_tlb_all(); + + if (physical_mapping_iter == 1) { + physical_mapping_iter = 2; + /* + * Second iteration will set the actual desired PTE attributes. + */ + __supported_pte_mask = cached_supported_pte_mask; + goto repeat; + } return last_map_addr; } -- GitLab From 0b8fdcbcd287a1fbe66817491e6149841ae25705 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:39 -0700 Subject: [PATCH 3473/6244] x86, cpa: dont use large pages for kernel identity mapping with DEBUG_PAGEALLOC Don't use large pages for kernel identity mapping with DEBUG_PAGEALLOC. This will remove the need to split the large page for the allocated kernel page in the interrupt context. This will simplify cpa code(as we don't do the split any more from the interrupt context). cpa code simplication in the subsequent patches. Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 18 ++++++++++++++---- arch/x86/mm/init_64.c | 26 ++++++++++++++++++++------ 2 files changed, 34 insertions(+), 10 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 9b5f7d7049d0..44ccb028c350 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -777,7 +777,7 @@ void __init setup_bootmem_allocator(void) after_init_bootmem = 1; } -static void __init find_early_table_space(unsigned long end) +static void __init find_early_table_space(unsigned long end, int use_pse) { unsigned long puds, pmds, ptes, tables, start; @@ -787,7 +787,7 @@ static void __init find_early_table_space(unsigned long end) pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT; tables += PAGE_ALIGN(pmds * sizeof(pmd_t)); - if (cpu_has_pse) { + if (use_pse) { unsigned long extra; extra = end - ((end>>PMD_SHIFT) << PMD_SHIFT); @@ -827,12 +827,22 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, pgd_t *pgd_base = swapper_pg_dir; unsigned long start_pfn, end_pfn; unsigned long big_page_start; +#ifdef CONFIG_DEBUG_PAGEALLOC + /* + * For CONFIG_DEBUG_PAGEALLOC, identity mapping will use small pages. + * This will simplify cpa(), which otherwise needs to support splitting + * large pages into small in interrupt context, etc. + */ + int use_pse = 0; +#else + int use_pse = cpu_has_pse; +#endif /* * Find space for the kernel direct mapping tables. */ if (!after_init_bootmem) - find_early_table_space(end); + find_early_table_space(end, use_pse); #ifdef CONFIG_X86_PAE set_nx(); @@ -878,7 +888,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, end_pfn = (end>>PMD_SHIFT) << (PMD_SHIFT - PAGE_SHIFT); if (start_pfn < end_pfn) kernel_physical_mapping_init(pgd_base, start_pfn, end_pfn, - cpu_has_pse); + use_pse); /* tail is not big page alignment ? */ start_pfn = end_pfn; diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 1ba945eb6282..9d7587ac1ebc 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -456,13 +456,14 @@ phys_pud_update(pgd_t *pgd, unsigned long addr, unsigned long end, return phys_pud_init(pud, addr, end, page_size_mask); } -static void __init find_early_table_space(unsigned long end) +static void __init find_early_table_space(unsigned long end, int use_pse, + int use_gbpages) { unsigned long puds, pmds, ptes, tables, start; puds = (end + PUD_SIZE - 1) >> PUD_SHIFT; tables = round_up(puds * sizeof(pud_t), PAGE_SIZE); - if (direct_gbpages) { + if (use_gbpages) { unsigned long extra; extra = end - ((end>>PUD_SHIFT) << PUD_SHIFT); pmds = (extra + PMD_SIZE - 1) >> PMD_SHIFT; @@ -470,7 +471,7 @@ static void __init find_early_table_space(unsigned long end) pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT; tables += round_up(pmds * sizeof(pmd_t), PAGE_SIZE); - if (cpu_has_pse) { + if (use_pse) { unsigned long extra; extra = end - ((end>>PMD_SHIFT) << PMD_SHIFT); ptes = (extra + PAGE_SIZE - 1) >> PAGE_SHIFT; @@ -640,6 +641,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, struct map_range mr[NR_RANGE_MR]; int nr_range, i; + int use_pse, use_gbpages; printk(KERN_INFO "init_memory_mapping\n"); @@ -653,9 +655,21 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, if (!after_bootmem) init_gbpages(); - if (direct_gbpages) +#ifdef CONFIG_DEBUG_PAGEALLOC + /* + * For CONFIG_DEBUG_PAGEALLOC, identity mapping will use small pages. + * This will simplify cpa(), which otherwise needs to support splitting + * large pages into small in interrupt context, etc. + */ + use_pse = use_gbpages = 0; +#else + use_pse = cpu_has_pse; + use_gbpages = direct_gbpages; +#endif + + if (use_gbpages) page_size_mask |= 1 << PG_LEVEL_1G; - if (cpu_has_pse) + if (use_pse) page_size_mask |= 1 << PG_LEVEL_2M; memset(mr, 0, sizeof(mr)); @@ -716,7 +730,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, (mr[i].page_size_mask & (1< Date: Tue, 23 Sep 2008 14:00:40 -0700 Subject: [PATCH 3474/6244] x86, cpa: no need to check alias for __set_pages_p/__set_pages_np No alias checking needed for setting present/not-present mapping. Otherwise, we may need to break large pages for 64-bit kernel text mappings (this adds to complexity if we want to do this from atomic context especially, for ex: with CONFIG_DEBUG_PAGEALLOC). Let's keep it simple! Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 4b6968ba0864..162812b05d28 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -1121,7 +1121,13 @@ static int __set_pages_p(struct page *page, int numpages) .mask_clr = __pgprot(0), .flags = 0}; - return __change_page_attr_set_clr(&cpa, 1); + /* + * No alias checking needed for setting present flag. otherwise, + * we may need to break large pages for 64-bit kernel text + * mappings (this adds to complexity if we want to do this from + * atomic context especially). Let's keep it simple! + */ + return __change_page_attr_set_clr(&cpa, 0); } static int __set_pages_np(struct page *page, int numpages) @@ -1133,7 +1139,13 @@ static int __set_pages_np(struct page *page, int numpages) .mask_clr = __pgprot(_PAGE_PRESENT | _PAGE_RW), .flags = 0}; - return __change_page_attr_set_clr(&cpa, 1); + /* + * No alias checking needed for setting not present flag. otherwise, + * we may need to break large pages for 64-bit kernel text + * mappings (this adds to complexity if we want to do this from + * atomic context especially). Let's keep it simple! + */ + return __change_page_attr_set_clr(&cpa, 0); } void kernel_map_pages(struct page *page, int numpages, int enable) @@ -1153,11 +1165,8 @@ void kernel_map_pages(struct page *page, int numpages, int enable) /* * The return value is ignored as the calls cannot fail. - * Large pages are kept enabled at boot time, and are - * split up quickly with DEBUG_PAGEALLOC. If a splitup - * fails here (due to temporary memory shortage) no damage - * is done because we just keep the largepage intact up - * to the next attempt when it will likely be split up: + * Large pages for identity mappings are not used at boot time + * and hence no memory allocations during large page split. */ if (enable) __set_pages_p(page, numpages); -- GitLab From 8311eb84bf842d345f543f4c62ca2b6ea26f638c Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:41 -0700 Subject: [PATCH 3475/6244] x86, cpa: remove cpa pool code Interrupt context no longer splits large page in cpa(). So we can do away with cpa memory pool code. Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 1 - arch/x86/mm/init_64.c | 2 - arch/x86/mm/pageattr.c | 157 ++--------------------------------- include/asm-x86/cacheflush.h | 2 - 4 files changed, 5 insertions(+), 157 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 44ccb028c350..74780800e7e7 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -1051,7 +1051,6 @@ void __init mem_init(void) if (boot_cpu_data.wp_works_ok < 0) test_wp_bit(); - cpa_init(); save_pg_dir(); zap_low_mappings(); } diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 9d7587ac1ebc..f54a4d97530f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -889,8 +889,6 @@ void __init mem_init(void) reservedpages << (PAGE_SHIFT-10), datasize >> 10, initsize >> 10); - - cpa_init(); } void free_init_pages(char *what, unsigned long begin, unsigned long end) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 162812b05d28..f5e8663c0f75 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -447,114 +447,17 @@ out_unlock: return do_split; } -static LIST_HEAD(page_pool); -static unsigned long pool_size, pool_pages, pool_low; -static unsigned long pool_used, pool_failed; - -static void cpa_fill_pool(struct page **ret) -{ - gfp_t gfp = GFP_KERNEL; - unsigned long flags; - struct page *p; - - /* - * Avoid recursion (on debug-pagealloc) and also signal - * our priority to get to these pagetables: - */ - if (current->flags & PF_MEMALLOC) - return; - current->flags |= PF_MEMALLOC; - - /* - * Allocate atomically from atomic contexts: - */ - if (in_atomic() || irqs_disabled() || debug_pagealloc) - gfp = GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN; - - while (pool_pages < pool_size || (ret && !*ret)) { - p = alloc_pages(gfp, 0); - if (!p) { - pool_failed++; - break; - } - /* - * If the call site needs a page right now, provide it: - */ - if (ret && !*ret) { - *ret = p; - continue; - } - spin_lock_irqsave(&pgd_lock, flags); - list_add(&p->lru, &page_pool); - pool_pages++; - spin_unlock_irqrestore(&pgd_lock, flags); - } - - current->flags &= ~PF_MEMALLOC; -} - -#define SHIFT_MB (20 - PAGE_SHIFT) -#define ROUND_MB_GB ((1 << 10) - 1) -#define SHIFT_MB_GB 10 -#define POOL_PAGES_PER_GB 16 - -void __init cpa_init(void) -{ - struct sysinfo si; - unsigned long gb; - - si_meminfo(&si); - /* - * Calculate the number of pool pages: - * - * Convert totalram (nr of pages) to MiB and round to the next - * GiB. Shift MiB to Gib and multiply the result by - * POOL_PAGES_PER_GB: - */ - if (debug_pagealloc) { - gb = ((si.totalram >> SHIFT_MB) + ROUND_MB_GB) >> SHIFT_MB_GB; - pool_size = POOL_PAGES_PER_GB * gb; - } else { - pool_size = 1; - } - pool_low = pool_size; - - cpa_fill_pool(NULL); - printk(KERN_DEBUG - "CPA: page pool initialized %lu of %lu pages preallocated\n", - pool_pages, pool_size); -} - static int split_large_page(pte_t *kpte, unsigned long address) { unsigned long flags, pfn, pfninc = 1; unsigned int i, level; pte_t *pbase, *tmp; pgprot_t ref_prot; - struct page *base; + struct page *base = alloc_pages(GFP_KERNEL, 0); + if (!base) + return -ENOMEM; - /* - * Get a page from the pool. The pool list is protected by the - * pgd_lock, which we have to take anyway for the split - * operation: - */ spin_lock_irqsave(&pgd_lock, flags); - if (list_empty(&page_pool)) { - spin_unlock_irqrestore(&pgd_lock, flags); - base = NULL; - cpa_fill_pool(&base); - if (!base) - return -ENOMEM; - spin_lock_irqsave(&pgd_lock, flags); - } else { - base = list_first_entry(&page_pool, struct page, lru); - list_del(&base->lru); - pool_pages--; - - if (pool_pages < pool_low) - pool_low = pool_pages; - } - /* * Check for races, another CPU might have split this page * up for us already: @@ -611,11 +514,8 @@ out_unlock: * If we dropped out via the lookup_address check under * pgd_lock then stick the page back into the pool: */ - if (base) { - list_add(&base->lru, &page_pool); - pool_pages++; - } else - pool_used++; + if (base) + __free_page(base); spin_unlock_irqrestore(&pgd_lock, flags); return 0; @@ -899,8 +799,6 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, cpa_flush_all(cache); out: - cpa_fill_pool(NULL); - return ret; } @@ -1178,53 +1076,8 @@ void kernel_map_pages(struct page *page, int numpages, int enable) * but that can deadlock->flush only current cpu: */ __flush_tlb_all(); - - /* - * Try to refill the page pool here. We can do this only after - * the tlb flush. - */ - cpa_fill_pool(NULL); -} - -#ifdef CONFIG_DEBUG_FS -static int dpa_show(struct seq_file *m, void *v) -{ - seq_puts(m, "DEBUG_PAGEALLOC\n"); - seq_printf(m, "pool_size : %lu\n", pool_size); - seq_printf(m, "pool_pages : %lu\n", pool_pages); - seq_printf(m, "pool_low : %lu\n", pool_low); - seq_printf(m, "pool_used : %lu\n", pool_used); - seq_printf(m, "pool_failed : %lu\n", pool_failed); - - return 0; -} - -static int dpa_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, dpa_show, NULL); } -static const struct file_operations dpa_fops = { - .open = dpa_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int __init debug_pagealloc_proc_init(void) -{ - struct dentry *de; - - de = debugfs_create_file("debug_pagealloc", 0600, NULL, NULL, - &dpa_fops); - if (!de) - return -ENOMEM; - - return 0; -} -__initcall(debug_pagealloc_proc_init); -#endif - #ifdef CONFIG_HIBERNATION bool kernel_page_present(struct page *page) diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index 0a5f71817b3e..8e205a131250 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -99,8 +99,6 @@ int set_pages_rw(struct page *page, int numpages); void clflush_cache_range(void *addr, unsigned int size); -void cpa_init(void); - #ifdef CONFIG_DEBUG_RODATA void mark_rodata_ro(void); extern const int rodata_test_data; -- GitLab From ad5ca55f6bdb47c957b681c7358bb3719ba4ee82 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 23 Sep 2008 14:00:42 -0700 Subject: [PATCH 3476/6244] x86, cpa: srlz cpa(), global flush tlb after splitting big page and before doing cpa Do a global flush tlb after splitting the large page and before we do the actual change page attribute in the PTE. With out this, we violate the TLB application note, which says "The TLBs may contain both ordinary and large-page translations for a 4-KByte range of linear addresses. This may occur if software modifies the paging structures so that the page size used for the address range changes. If the two translations differ with respect to page frame or attributes (e.g., permissions), processor behavior is undefined and may be implementation-specific." And also serialize cpa() (for !DEBUG_PAGEALLOC which uses large identity mappings) using cpa_lock. So that we don't allow any other cpu, with stale large tlb entries change the page attribute in parallel to some other cpu splitting a large page entry along with changing the attribute. Signed-off-by: Suresh Siddha Cc: Suresh Siddha Cc: arjan@linux.intel.com Cc: venkatesh.pallipadi@intel.com Cc: jeremy@goop.org Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 40 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index f5e8663c0f75..b6374d653d06 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -35,6 +35,14 @@ struct cpa_data { int curpage; }; +/* + * Serialize cpa() (for !DEBUG_PAGEALLOC which uses large identity mappings) + * using cpa_lock. So that we don't allow any other cpu, with stale large tlb + * entries change the page attribute in parallel to some other cpu + * splitting a large page entry along with changing the attribute. + */ +static DEFINE_SPINLOCK(cpa_lock); + #define CPA_FLUSHTLB 1 #define CPA_ARRAY 2 @@ -453,7 +461,13 @@ static int split_large_page(pte_t *kpte, unsigned long address) unsigned int i, level; pte_t *pbase, *tmp; pgprot_t ref_prot; - struct page *base = alloc_pages(GFP_KERNEL, 0); + struct page *base; + + if (!debug_pagealloc) + spin_unlock(&cpa_lock); + base = alloc_pages(GFP_KERNEL, 0); + if (!debug_pagealloc) + spin_lock(&cpa_lock); if (!base) return -ENOMEM; @@ -594,7 +608,25 @@ repeat: */ err = split_large_page(kpte, address); if (!err) { - cpa->flags |= CPA_FLUSHTLB; + /* + * Do a global flush tlb after splitting the large page + * and before we do the actual change page attribute in the PTE. + * + * With out this, we violate the TLB application note, that says + * "The TLBs may contain both ordinary and large-page + * translations for a 4-KByte range of linear addresses. This + * may occur if software modifies the paging structures so that + * the page size used for the address range changes. If the two + * translations differ with respect to page frame or attributes + * (e.g., permissions), processor behavior is undefined and may + * be implementation-specific." + * + * We do this global tlb flush inside the cpa_lock, so that we + * don't allow any other cpu, with stale tlb entries change the + * page attribute in parallel, that also falls into the + * just split large page entry. + */ + flush_tlb_all(); goto repeat; } @@ -686,7 +718,11 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) if (cpa->flags & CPA_ARRAY) cpa->numpages = 1; + if (!debug_pagealloc) + spin_lock(&cpa_lock); ret = __change_page_attr(cpa, checkalias); + if (!debug_pagealloc) + spin_unlock(&cpa_lock); if (ret) return ret; -- GitLab From 9542ada803198e6eba29d3289abb39ea82047b92 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 24 Sep 2008 08:53:33 -0700 Subject: [PATCH 3477/6244] x86: track memtype for RAM in page struct Track the memtype for RAM pages in page struct instead of using the memtype list. This avoids the explosion in the number of entries in memtype list (of the order of 20,000 with AGP) and makes the PAT tracking simpler. We are using PG_arch_1 bit in page->flags. We still use the memtype list for non RAM pages. Signed-off-by: Suresh Siddha Signed-off-by: Venkatesh Pallipadi Signed-off-by: Ingo Molnar --- arch/x86/mm/ioremap.c | 19 +++++++++ arch/x86/mm/pat.c | 83 ++++++++++++++++++++++++++++++++++++ include/asm-x86/cacheflush.h | 2 + include/asm-x86/page.h | 1 + 4 files changed, 105 insertions(+) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index d4b6e6a29ae3..d03c461e045e 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -83,6 +83,25 @@ int page_is_ram(unsigned long pagenr) return 0; } +int pagerange_is_ram(unsigned long start, unsigned long end) +{ + int ram_page = 0, not_rampage = 0; + unsigned long page_nr; + + for (page_nr = (start >> PAGE_SHIFT); page_nr < (end >> PAGE_SHIFT); + ++page_nr) { + if (page_is_ram(page_nr)) + ram_page = 1; + else + not_rampage = 1; + + if (ram_page == not_rampage) + return -1; + } + + return ram_page; +} + /* * Fix up the linear direct mapping of the kernel to avoid cache attribute * conflicts. diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index f049b1d6ebdf..aceb6c7c6dba 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -210,6 +210,75 @@ static int chk_conflict(struct memtype *new, struct memtype *entry, static struct memtype *cached_entry; static u64 cached_start; +/* + * RED-PEN: TODO: Add PageReserved() check as well here, + * once we add SetPageReserved() to all the drivers using + * set_memory_* or set_pages_*. + * + * This will help prevent accidentally freeing pages + * before setting the attribute back to WB. + */ + +/* + * For RAM pages, mark the pages as non WB memory type using + * PageNonWB (PG_arch_1). We allow only one set_memory_uc() or + * set_memory_wc() on a RAM page at a time before marking it as WB again. + * This is ok, because only one driver will be owning the page and + * doing set_memory_*() calls. + * + * For now, we use PageNonWB to track that the RAM page is being mapped + * as non WB. In future, we will have to use one more flag + * (or some other mechanism in page_struct) to distinguish between + * UC and WC mapping. + */ +static int reserve_ram_pages_type(u64 start, u64 end, unsigned long req_type, + unsigned long *new_type) +{ + struct page *page; + u64 pfn, end_pfn; + + for (pfn = (start >> PAGE_SHIFT); pfn < (end >> PAGE_SHIFT); ++pfn) { + page = pfn_to_page(pfn); + if (page_mapped(page) || PageNonWB(page)) + goto out; + + SetPageNonWB(page); + } + return 0; + +out: + end_pfn = pfn; + for (pfn = (start >> PAGE_SHIFT); pfn < end_pfn; ++pfn) { + page = pfn_to_page(pfn); + ClearPageNonWB(page); + } + + return -EINVAL; +} + +static int free_ram_pages_type(u64 start, u64 end) +{ + struct page *page; + u64 pfn, end_pfn; + + for (pfn = (start >> PAGE_SHIFT); pfn < (end >> PAGE_SHIFT); ++pfn) { + page = pfn_to_page(pfn); + if (page_mapped(page) || !PageNonWB(page)) + goto out; + + ClearPageNonWB(page); + } + return 0; + +out: + end_pfn = pfn; + for (pfn = (start >> PAGE_SHIFT); pfn < end_pfn; ++pfn) { + page = pfn_to_page(pfn); + SetPageNonWB(page); + } + return -EINVAL; +} + /* * req_type typically has one of the: * - _PAGE_CACHE_WB @@ -232,6 +301,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, unsigned long actual_type; struct list_head *where; int err = 0; + int is_range_ram; BUG_ON(start >= end); /* end is exclusive */ @@ -270,6 +340,12 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, actual_type = pat_x_mtrr_type(start, end, req_type & _PAGE_CACHE_MASK); + is_range_ram = pagerange_is_ram(start, end); + if (is_range_ram == 1) + return reserve_ram_pages_type(start, end, req_type, new_type); + else if (is_range_ram < 0) + return -EINVAL; + new = kmalloc(sizeof(struct memtype), GFP_KERNEL); if (!new) return -ENOMEM; @@ -358,6 +434,7 @@ int free_memtype(u64 start, u64 end) { struct memtype *entry; int err = -EINVAL; + int is_range_ram; if (!pat_enabled) return 0; @@ -366,6 +443,12 @@ int free_memtype(u64 start, u64 end) if (is_ISA_range(start, end - 1)) return 0; + is_range_ram = pagerange_is_ram(start, end); + if (is_range_ram == 1) + return free_ram_pages_type(start, end); + else if (is_range_ram < 0) + return -EINVAL; + spin_lock(&memtype_lock); list_for_each_entry(entry, &memtype_list, nd) { if (entry->start == start && entry->end == end) { diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h index 8e205a131250..092b9b4eb003 100644 --- a/include/asm-x86/cacheflush.h +++ b/include/asm-x86/cacheflush.h @@ -24,6 +24,8 @@ #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ memcpy((dst), (src), (len)) +#define PG_non_WB PG_arch_1 +PAGEFLAG(NonWB, non_WB) /* * The set_memory_* API can be used to change various attributes of a virtual diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index 49982110e4d9..3407ac12ba34 100644 --- a/include/asm-x86/page.h +++ b/include/asm-x86/page.h @@ -57,6 +57,7 @@ typedef struct { pgdval_t pgd; } pgd_t; typedef struct { pgprotval_t pgprot; } pgprot_t; extern int page_is_ram(unsigned long pagenr); +extern int pagerange_is_ram(unsigned long start, unsigned long end); extern int devmem_is_allowed(unsigned long pagenr); extern void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot); -- GitLab From 28dd033f43ca957cd751e02652b36c6fa364ca18 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Mon, 29 Sep 2008 12:13:26 -0700 Subject: [PATCH 3478/6244] x86: fix pagetable init 64-bit breakage Fix _end alignment check - can trigger a crash if _end happens to be on a page boundary. Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index f54a4d97530f..6116ff0d7416 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -510,7 +510,7 @@ static int is_kernel(unsigned long pfn) unsigned long pg_addresss = pfn << PAGE_SHIFT; if (pg_addresss >= (unsigned long) __pa(_text) && - pg_addresss <= (unsigned long) __pa(_end)) + pg_addresss < (unsigned long) __pa(_end)) return 1; return 0; -- GitLab From ad2cde16a21985cdc4302e4a4b0fc373d666fdf7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 30 Sep 2008 13:20:45 +0200 Subject: [PATCH 3479/6244] x86, pat: cleanups clean up recently added code to be more consistent with other x86 code. Signed-off-by: Ingo Molnar --- arch/x86/mm/pat.c | 67 ++++++++++++++++++++++------------------------- 1 file changed, 32 insertions(+), 35 deletions(-) diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index aceb6c7c6dba..738fd0f24958 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -7,24 +7,24 @@ * Loosely based on earlier PAT patchset from Eric Biederman and Andi Kleen. */ -#include +#include +#include +#include #include #include +#include #include -#include -#include -#include -#include -#include +#include #include -#include +#include #include -#include -#include -#include #include +#include #include +#include +#include +#include #include #ifdef CONFIG_X86_PAT @@ -46,6 +46,7 @@ early_param("nopat", nopat); static int debug_enable; + static int __init pat_debug_setup(char *str) { debug_enable = 1; @@ -145,14 +146,14 @@ static char *cattr_name(unsigned long flags) */ struct memtype { - u64 start; - u64 end; - unsigned long type; - struct list_head nd; + u64 start; + u64 end; + unsigned long type; + struct list_head nd; }; static LIST_HEAD(memtype_list); -static DEFINE_SPINLOCK(memtype_lock); /* protects memtype list */ +static DEFINE_SPINLOCK(memtype_lock); /* protects memtype list */ /* * Does intersection of PAT memory type and MTRR memory type and returns @@ -180,8 +181,8 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type) return req_type; } -static int chk_conflict(struct memtype *new, struct memtype *entry, - unsigned long *type) +static int +chk_conflict(struct memtype *new, struct memtype *entry, unsigned long *type) { if (new->type != entry->type) { if (type) { @@ -210,15 +211,6 @@ static int chk_conflict(struct memtype *new, struct memtype *entry, static struct memtype *cached_entry; static u64 cached_start; -/* - * RED-PEN: TODO: Add PageReserved() check as well here, - * once we add SetPageReserved() to all the drivers using - * set_memory_* or set_pages_*. - * - * This will help prevent accidentally freeing pages - * before setting the attribute back to WB. - */ - /* * For RAM pages, mark the pages as non WB memory type using * PageNonWB (PG_arch_1). We allow only one set_memory_uc() or @@ -232,7 +224,7 @@ static u64 cached_start; * UC and WC mapping. */ static int reserve_ram_pages_type(u64 start, u64 end, unsigned long req_type, - unsigned long *new_type) + unsigned long *new_type) { struct page *page; u64 pfn, end_pfn; @@ -295,15 +287,15 @@ out: * it will return a negative return value. */ int reserve_memtype(u64 start, u64 end, unsigned long req_type, - unsigned long *new_type) + unsigned long *new_type) { struct memtype *new, *entry; unsigned long actual_type; struct list_head *where; - int err = 0; int is_range_ram; + int err = 0; - BUG_ON(start >= end); /* end is exclusive */ + BUG_ON(start >= end); /* end is exclusive */ if (!pat_enabled) { /* This is identical to page table setting without PAT */ @@ -336,9 +328,10 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, actual_type = _PAGE_CACHE_WB; else actual_type = _PAGE_CACHE_UC_MINUS; - } else + } else { actual_type = pat_x_mtrr_type(start, end, req_type & _PAGE_CACHE_MASK); + } is_range_ram = pagerange_is_ram(start, end); if (is_range_ram == 1) @@ -350,9 +343,9 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, if (!new) return -ENOMEM; - new->start = start; - new->end = end; - new->type = actual_type; + new->start = start; + new->end = end; + new->type = actual_type; if (new_type) *new_type = actual_type; @@ -411,6 +404,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, start, end, cattr_name(new->type), cattr_name(req_type)); kfree(new); spin_unlock(&memtype_lock); + return err; } @@ -469,6 +463,7 @@ int free_memtype(u64 start, u64 end) } dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end); + return err; } @@ -575,9 +570,9 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot) { + unsigned long want_flags = (pgprot_val(vma_prot) & _PAGE_CACHE_MASK); u64 addr = (u64)pfn << PAGE_SHIFT; unsigned long flags; - unsigned long want_flags = (pgprot_val(vma_prot) & _PAGE_CACHE_MASK); reserve_memtype(addr, addr + size, want_flags, &flags); if (flags != want_flags) { @@ -620,6 +615,7 @@ static struct memtype *memtype_get_idx(loff_t pos) } spin_unlock(&memtype_lock); kfree(print_entry); + return NULL; } @@ -650,6 +646,7 @@ static int memtype_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%s @ 0x%Lx-0x%Lx\n", cattr_name(print_entry->type), print_entry->start, print_entry->end); kfree(print_entry); + return 0; } -- GitLab From b27a43c1e90582facad44de67d02bc9e9f900289 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Tue, 7 Oct 2008 13:58:46 -0700 Subject: [PATCH 3480/6244] x86, cpa: make the kernel physical mapping initialization a two pass sequence, fix Jeremy Fitzhardinge wrote: > I'd noticed that current tip/master hasn't been booting under Xen, and I > just got around to bisecting it down to this change. > > commit 065ae73c5462d42e9761afb76f2b52965ff45bd6 > Author: Suresh Siddha > > x86, cpa: make the kernel physical mapping initialization a two pass sequence > > This patch is causing Xen to fail various pagetable updates because it > ends up remapping pagetables to RW, which Xen explicitly prohibits (as > that would allow guests to make arbitrary changes to pagetables, rather > than have them mediated by the hypervisor). Instead of making init a two pass sequence, to satisfy the Intel's TLB Application note (developer.intel.com/design/processor/applnots/317080.pdf Section 6 page 26), we preserve the original page permissions when fragmenting the large mappings and don't touch the existing memory mapping (which satisfies Xen's requirements). Only open issue is: on a native linux kernel, we will go back to mapping the first 0-1GB kernel identity mapping as executable (because of the static mapping setup in head_64.S). We can fix this in a different patch if needed. Signed-off-by: Suresh Siddha Acked-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 149 +++++++++++++++++------------------------- 1 file changed, 61 insertions(+), 88 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 6116ff0d7416..8c7eae490a2c 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -270,10 +270,9 @@ static __ref void unmap_low_page(void *adr) early_iounmap(adr, PAGE_SIZE); } -static int physical_mapping_iter; - static unsigned long __meminit -phys_pte_init(pte_t *pte_page, unsigned long addr, unsigned long end) +phys_pte_init(pte_t *pte_page, unsigned long addr, unsigned long end, + pgprot_t prot) { unsigned pages = 0; unsigned long last_map_addr = end; @@ -291,35 +290,40 @@ phys_pte_init(pte_t *pte_page, unsigned long addr, unsigned long end) break; } + /* + * We will re-use the existing mapping. + * Xen for example has some special requirements, like mapping + * pagetable pages as RO. So assume someone who pre-setup + * these mappings are more intelligent. + */ if (pte_val(*pte)) - goto repeat_set_pte; + continue; if (0) printk(" pte=%p addr=%lx pte=%016lx\n", pte, addr, pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL).pte); pages++; -repeat_set_pte: - set_pte(pte, pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL)); + set_pte(pte, pfn_pte(addr >> PAGE_SHIFT, prot)); last_map_addr = (addr & PAGE_MASK) + PAGE_SIZE; } - if (physical_mapping_iter == 1) - update_page_count(PG_LEVEL_4K, pages); + update_page_count(PG_LEVEL_4K, pages); return last_map_addr; } static unsigned long __meminit -phys_pte_update(pmd_t *pmd, unsigned long address, unsigned long end) +phys_pte_update(pmd_t *pmd, unsigned long address, unsigned long end, + pgprot_t prot) { pte_t *pte = (pte_t *)pmd_page_vaddr(*pmd); - return phys_pte_init(pte, address, end); + return phys_pte_init(pte, address, end, prot); } static unsigned long __meminit phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, - unsigned long page_size_mask) + unsigned long page_size_mask, pgprot_t prot) { unsigned long pages = 0; unsigned long last_map_addr = end; @@ -330,6 +334,7 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, unsigned long pte_phys; pmd_t *pmd = pmd_page + pmd_index(address); pte_t *pte; + pgprot_t new_prot = prot; if (address >= end) { if (!after_bootmem) { @@ -343,45 +348,58 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end, if (!pmd_large(*pmd)) { spin_lock(&init_mm.page_table_lock); last_map_addr = phys_pte_update(pmd, address, - end); + end, prot); spin_unlock(&init_mm.page_table_lock); continue; } - goto repeat_set_pte; + /* + * If we are ok with PG_LEVEL_2M mapping, then we will + * use the existing mapping, + * + * Otherwise, we will split the large page mapping but + * use the same existing protection bits except for + * large page, so that we don't violate Intel's TLB + * Application note (317080) which says, while changing + * the page sizes, new and old translations should + * not differ with respect to page frame and + * attributes. + */ + if (page_size_mask & (1 << PG_LEVEL_2M)) + continue; + new_prot = pte_pgprot(pte_clrhuge(*(pte_t *)pmd)); } if (page_size_mask & (1<> PAGE_SHIFT, PAGE_KERNEL_LARGE)); + pfn_pte(address >> PAGE_SHIFT, + __pgprot(pgprot_val(prot) | _PAGE_PSE))); spin_unlock(&init_mm.page_table_lock); last_map_addr = (address & PMD_MASK) + PMD_SIZE; continue; } pte = alloc_low_page(&pte_phys); - last_map_addr = phys_pte_init(pte, address, end); + last_map_addr = phys_pte_init(pte, address, end, new_prot); unmap_low_page(pte); spin_lock(&init_mm.page_table_lock); pmd_populate_kernel(&init_mm, pmd, __va(pte_phys)); spin_unlock(&init_mm.page_table_lock); } - if (physical_mapping_iter == 1) - update_page_count(PG_LEVEL_2M, pages); + update_page_count(PG_LEVEL_2M, pages); return last_map_addr; } static unsigned long __meminit phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end, - unsigned long page_size_mask) + unsigned long page_size_mask, pgprot_t prot) { pmd_t *pmd = pmd_offset(pud, 0); unsigned long last_map_addr; - last_map_addr = phys_pmd_init(pmd, address, end, page_size_mask); + last_map_addr = phys_pmd_init(pmd, address, end, page_size_mask, prot); __flush_tlb_all(); return last_map_addr; } @@ -398,6 +416,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, unsigned long pmd_phys; pud_t *pud = pud_page + pud_index(addr); pmd_t *pmd; + pgprot_t prot = PAGE_KERNEL; if (addr >= end) break; @@ -411,16 +430,28 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, if (pud_val(*pud)) { if (!pud_large(*pud)) { last_map_addr = phys_pmd_update(pud, addr, end, - page_size_mask); + page_size_mask, prot); continue; } - - goto repeat_set_pte; + /* + * If we are ok with PG_LEVEL_1G mapping, then we will + * use the existing mapping. + * + * Otherwise, we will split the gbpage mapping but use + * the same existing protection bits except for large + * page, so that we don't violate Intel's TLB + * Application note (317080) which says, while changing + * the page sizes, new and old translations should + * not differ with respect to page frame and + * attributes. + */ + if (page_size_mask & (1 << PG_LEVEL_1G)) + continue; + prot = pte_pgprot(pte_clrhuge(*(pte_t *)pud)); } if (page_size_mask & (1<> PAGE_SHIFT, PAGE_KERNEL_LARGE)); @@ -430,7 +461,8 @@ repeat_set_pte: } pmd = alloc_low_page(&pmd_phys); - last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask); + last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask, + prot); unmap_low_page(pmd); spin_lock(&init_mm.page_table_lock); @@ -439,8 +471,7 @@ repeat_set_pte: } __flush_tlb_all(); - if (physical_mapping_iter == 1) - update_page_count(PG_LEVEL_1G, pages); + update_page_count(PG_LEVEL_1G, pages); return last_map_addr; } @@ -505,54 +536,15 @@ static void __init init_gbpages(void) direct_gbpages = 0; } -static int is_kernel(unsigned long pfn) -{ - unsigned long pg_addresss = pfn << PAGE_SHIFT; - - if (pg_addresss >= (unsigned long) __pa(_text) && - pg_addresss < (unsigned long) __pa(_end)) - return 1; - - return 0; -} - static unsigned long __init kernel_physical_mapping_init(unsigned long start, unsigned long end, unsigned long page_size_mask) { - unsigned long next, last_map_addr; - u64 cached_supported_pte_mask = __supported_pte_mask; - unsigned long cache_start = start; - unsigned long cache_end = end; - - /* - * First iteration will setup identity mapping using large/small pages - * based on page_size_mask, with other attributes same as set by - * the early code in head_64.S - * - * Second iteration will setup the appropriate attributes - * as desired for the kernel identity mapping. - * - * This two pass mechanism conforms to the TLB app note which says: - * - * "Software should not write to a paging-structure entry in a way - * that would change, for any linear address, both the page size - * and either the page frame or attributes." - * - * For now, only difference between very early PTE attributes used in - * head_64.S and here is _PAGE_NX. - */ - BUILD_BUG_ON((__PAGE_KERNEL_LARGE & ~__PAGE_KERNEL_IDENT_LARGE_EXEC) - != _PAGE_NX); - __supported_pte_mask &= ~(_PAGE_NX); - physical_mapping_iter = 1; + unsigned long next, last_map_addr = end; -repeat: - last_map_addr = cache_end; - - start = (unsigned long)__va(cache_start); - end = (unsigned long)__va(cache_end); + start = (unsigned long)__va(start); + end = (unsigned long)__va(end); for (; start < end; start = next) { pgd_t *pgd = pgd_offset_k(start); @@ -564,21 +556,11 @@ repeat: next = end; if (pgd_val(*pgd)) { - /* - * Static identity mappings will be overwritten - * with run-time mappings. For example, this allows - * the static 0-1GB identity mapping to be mapped - * non-executable with this. - */ - if (is_kernel(pte_pfn(*((pte_t *) pgd)))) - goto realloc; - last_map_addr = phys_pud_update(pgd, __pa(start), __pa(end), page_size_mask); continue; } -realloc: pud = alloc_low_page(&pud_phys); last_map_addr = phys_pud_init(pud, __pa(start), __pa(next), page_size_mask); @@ -590,15 +572,6 @@ realloc: } __flush_tlb_all(); - if (physical_mapping_iter == 1) { - physical_mapping_iter = 2; - /* - * Second iteration will set the actual desired PTE attributes. - */ - __supported_pte_mask = cached_supported_pte_mask; - goto repeat; - } - return last_map_addr; } -- GitLab From 73f6aa4d44ab6157badc456ddfa05b31e58de5f0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 10 Oct 2008 17:28:29 +1100 Subject: [PATCH 3481/6244] Fix barrier fail detection in XFS Currently we disable barriers as soon as we get a buffer in xlog_iodone that has the XBF_ORDERED flag cleared. But this can be the case not only for buffers where the barrier failed, but also the first buffer of a split log write in case of a log wraparound. Due to the disabled barriers we can easily get directory corruption on unclean shutdowns. So instead of using this check add a new buffer flag for failed barrier writes. This is a regression vs 2.6.26 caused by patch to use the right macro to check for the ORDERED flag, as we previously got true returned for every buffer. Thanks to Toei Rei for reporting the bug. Signed-off-by: Christoph Hellwig Reviewed-by: Eric Sandeen Reviewed-by: David Chinner Signed-off-by: Tim Shimmin Signed-off-by: Linus Torvalds --- fs/xfs/linux-2.6/xfs_buf.c | 3 ++- fs/xfs/linux-2.6/xfs_buf.h | 8 ++++++++ fs/xfs/xfs_log.c | 7 ++++--- 3 files changed, 14 insertions(+), 4 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 986061ae1b9b..36d5fcd3f593 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1001,12 +1001,13 @@ xfs_buf_iodone_work( * We can get an EOPNOTSUPP to ordered writes. Here we clear the * ordered flag and reissue them. Because we can't tell the higher * layers directly that they should not issue ordered I/O anymore, they - * need to check if the ordered flag was cleared during I/O completion. + * need to check if the _XFS_BARRIER_FAILED flag was set during I/O completion. */ if ((bp->b_error == EOPNOTSUPP) && (bp->b_flags & (XBF_ORDERED|XBF_ASYNC)) == (XBF_ORDERED|XBF_ASYNC)) { XB_TRACE(bp, "ordered_retry", bp->b_iodone); bp->b_flags &= ~XBF_ORDERED; + bp->b_flags |= _XFS_BARRIER_FAILED; xfs_buf_iorequest(bp); } else if (bp->b_iodone) (*(bp->b_iodone))(bp); diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h index fe0109956656..456519a088c7 100644 --- a/fs/xfs/linux-2.6/xfs_buf.h +++ b/fs/xfs/linux-2.6/xfs_buf.h @@ -85,6 +85,14 @@ typedef enum { * modifications being lost. */ _XBF_PAGE_LOCKED = (1 << 22), + + /* + * If we try a barrier write, but it fails we have to communicate + * this to the upper layers. Unfortunately b_error gets overwritten + * when the buffer is re-issued so we have to add another flag to + * keep this information. + */ + _XFS_BARRIER_FAILED = (1 << 23), } xfs_buf_flags_t; typedef enum { diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 503ea89e8b9a..0b02c6443551 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1033,11 +1033,12 @@ xlog_iodone(xfs_buf_t *bp) l = iclog->ic_log; /* - * If the ordered flag has been removed by a lower - * layer, it means the underlyin device no longer supports + * If the _XFS_BARRIER_FAILED flag was set by a lower + * layer, it means the underlying device no longer supports * barrier I/O. Warn loudly and turn off barriers. */ - if ((l->l_mp->m_flags & XFS_MOUNT_BARRIER) && !XFS_BUF_ISORDERED(bp)) { + if (bp->b_flags & _XFS_BARRIER_FAILED) { + bp->b_flags &= ~_XFS_BARRIER_FAILED; l->l_mp->m_flags &= ~XFS_MOUNT_BARRIER; xfs_fs_cmn_err(CE_WARN, l->l_mp, "xlog_iodone: Barriers are no longer supported" -- GitLab From 456018d791ff4ef03d610f72486c637056bcd749 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Wed, 8 Oct 2008 15:31:14 -0400 Subject: [PATCH 3482/6244] NFS: Cleanup nfs_set_port Signed-off-by: "J. Bruce Fields" Signed-off-by: Trond Myklebust --- fs/nfs/internal.h | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 5d2a5d3c4241..d212ee41caf2 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -285,16 +285,15 @@ unsigned int nfs_page_array_len(unsigned int base, size_t len) */ static inline void nfs_set_port(struct sockaddr *sap, unsigned short port) { + struct sockaddr_in *ap = (struct sockaddr_in *)sap; + struct sockaddr_in6 *ap6 = (struct sockaddr_in6 *)sap; + switch (sap->sa_family) { - case AF_INET: { - struct sockaddr_in *ap = (struct sockaddr_in *)sap; - ap->sin_port = htons(port); - break; - } - case AF_INET6: { - struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap; - ap->sin6_port = htons(port); - break; - } + case AF_INET: + ap->sin_port = htons(port); + break; + case AF_INET6: + ap6->sin6_port = htons(port); + break; } } -- GitLab From 5e2e7721f04c11e6dc4a74b33f05a0e1c0381e2e Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 8 Oct 2008 15:38:10 -0400 Subject: [PATCH 3483/6244] NFS: fix nfs_parse_ip_address() corner case Bruce observed that nfs_parse_ip_address() will successfully parse an IPv6 address that looks like this: "::1%" A scope delimiter is present, but there is no scope ID following it. This is harmless, as it would simply set the scope ID to zero. However, in some cases we would like to flag this as an improperly formed address. We are now also careful to reject addresses where garbage follows the address (up to the length of the string), instead of ignoring the non-address characters; and where the scope ID is nonsense (not a valid device name, but also not numeric). Before, both of these cases would result in a harmless zero scope ID. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields Signed-off-by: Trond Myklebust --- fs/nfs/super.c | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 20dc4ccdff56..d496e4016224 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -717,17 +717,21 @@ static void nfs_parse_ipv4_address(char *string, size_t str_len, } #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -static void nfs_parse_ipv6_scope_id(const char *string, const size_t str_len, - const char *delim, - struct sockaddr_in6 *sin6) +static int nfs_parse_ipv6_scope_id(const char *string, const size_t str_len, + const char *delim, + struct sockaddr_in6 *sin6) { char *p; size_t len; - if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)) - return ; + if ((string + str_len) == delim) + return 1; + if (*delim != IPV6_SCOPE_DELIMITER) - return; + return 0; + + if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)) + return 0; len = (string + str_len) - delim - 1; p = kstrndup(delim + 1, len, GFP_KERNEL); @@ -740,14 +744,20 @@ static void nfs_parse_ipv6_scope_id(const char *string, const size_t str_len, scope_id = dev->ifindex; dev_put(dev); } else { - /* scope_id is set to zero on error */ - strict_strtoul(p, 10, &scope_id); + if (strict_strtoul(p, 10, &scope_id) == 0) { + kfree(p); + return 0; + } } kfree(p); + sin6->sin6_scope_id = scope_id; dfprintk(MOUNT, "NFS: IPv6 scope ID = %lu\n", scope_id); + return 1; } + + return 0; } static void nfs_parse_ipv6_address(char *string, size_t str_len, @@ -763,9 +773,11 @@ static void nfs_parse_ipv6_address(char *string, size_t str_len, sin6->sin6_family = AF_INET6; *addr_len = sizeof(*sin6); - if (in6_pton(string, str_len, addr, IPV6_SCOPE_DELIMITER, &delim)) { - nfs_parse_ipv6_scope_id(string, str_len, delim, sin6); - return; + if (in6_pton(string, str_len, addr, + IPV6_SCOPE_DELIMITER, &delim) != 0) { + if (nfs_parse_ipv6_scope_id(string, str_len, + delim, sin6) != 0) + return; } } -- GitLab From 8d4ba0347ccfea4f12e56e2484954b891411b74d Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 14:59:49 -0400 Subject: [PATCH 3484/6244] RPC/RDMA: refactor the inline memory registration code. Refactor the memory registration and deregistration routines. This saves stack space, makes the code more readable and prepares to add the new FRMR registration methods. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 365 ++++++++++++++++++++---------------- 1 file changed, 207 insertions(+), 158 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 8ea283ecc522..d04208a02f67 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -863,6 +863,7 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, char *p; size_t len; int i, rc; + struct rpcrdma_mw *r; buf->rb_max_requests = cdata->max_requests; spin_lock_init(&buf->rb_lock); @@ -873,7 +874,7 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, * 2. arrays of struct rpcrdma_req to fill in pointers * 3. array of struct rpcrdma_rep for replies * 4. padding, if any - * 5. mw's, if any + * 5. mw's or fmr's, if any * Send/recv buffers in req/rep need to be registered */ @@ -927,15 +928,13 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, * and also reduce unbind-to-bind collision. */ INIT_LIST_HEAD(&buf->rb_mws); + r = (struct rpcrdma_mw *)p; switch (ia->ri_memreg_strategy) { case RPCRDMA_MTHCAFMR: - { - struct rpcrdma_mw *r = (struct rpcrdma_mw *)p; - struct ib_fmr_attr fa = { - RPCRDMA_MAX_DATA_SEGS, 1, PAGE_SHIFT - }; /* TBD we are perhaps overallocating here */ for (i = (buf->rb_max_requests+1) * RPCRDMA_MAX_SEGS; i; i--) { + static struct ib_fmr_attr fa = + { RPCRDMA_MAX_DATA_SEGS, 1, PAGE_SHIFT }; r->r.fmr = ib_alloc_fmr(ia->ri_pd, IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ, &fa); @@ -948,12 +947,9 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, list_add(&r->mw_list, &buf->rb_mws); ++r; } - } break; case RPCRDMA_MEMWINDOWS_ASYNC: case RPCRDMA_MEMWINDOWS: - { - struct rpcrdma_mw *r = (struct rpcrdma_mw *)p; /* Allocate one extra request's worth, for full cycling */ for (i = (buf->rb_max_requests+1) * RPCRDMA_MAX_SEGS; i; i--) { r->r.mw = ib_alloc_mw(ia->ri_pd); @@ -966,7 +962,6 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, list_add(&r->mw_list, &buf->rb_mws); ++r; } - } break; default: break; @@ -1046,6 +1041,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) { int rc, i; struct rpcrdma_ia *ia = rdmab_to_ia(buf); + struct rpcrdma_mw *r; /* clean up in reverse order from create * 1. recv mr memory (mr free, then kfree) @@ -1065,7 +1061,6 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) } if (buf->rb_send_bufs && buf->rb_send_bufs[i]) { while (!list_empty(&buf->rb_mws)) { - struct rpcrdma_mw *r; r = list_entry(buf->rb_mws.next, struct rpcrdma_mw, mw_list); list_del(&r->mw_list); @@ -1115,6 +1110,8 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) { struct rpcrdma_req *req; unsigned long flags; + int i; + struct rpcrdma_mw *r; spin_lock_irqsave(&buffers->rb_lock, flags); if (buffers->rb_send_index == buffers->rb_max_requests) { @@ -1135,9 +1132,8 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) } buffers->rb_send_bufs[buffers->rb_send_index++] = NULL; if (!list_empty(&buffers->rb_mws)) { - int i = RPCRDMA_MAX_SEGS - 1; + i = RPCRDMA_MAX_SEGS - 1; do { - struct rpcrdma_mw *r; r = list_entry(buffers->rb_mws.next, struct rpcrdma_mw, mw_list); list_del(&r->mw_list); @@ -1329,15 +1325,202 @@ rpcrdma_unmap_one(struct rpcrdma_ia *ia, struct rpcrdma_mr_seg *seg) seg->mr_dma, seg->mr_dmalen, seg->mr_dir); } +static int +rpcrdma_register_fmr_external(struct rpcrdma_mr_seg *seg, + int *nsegs, int writing, struct rpcrdma_ia *ia) +{ + struct rpcrdma_mr_seg *seg1 = seg; + u64 physaddrs[RPCRDMA_MAX_DATA_SEGS]; + int len, pageoff, i, rc; + + pageoff = offset_in_page(seg1->mr_offset); + seg1->mr_offset -= pageoff; /* start of page */ + seg1->mr_len += pageoff; + len = -pageoff; + if (*nsegs > RPCRDMA_MAX_DATA_SEGS) + *nsegs = RPCRDMA_MAX_DATA_SEGS; + for (i = 0; i < *nsegs;) { + rpcrdma_map_one(ia, seg, writing); + physaddrs[i] = seg->mr_dma; + len += seg->mr_len; + ++seg; + ++i; + /* Check for holes */ + if ((i < *nsegs && offset_in_page(seg->mr_offset)) || + offset_in_page((seg-1)->mr_offset + (seg-1)->mr_len)) + break; + } + rc = ib_map_phys_fmr(seg1->mr_chunk.rl_mw->r.fmr, + physaddrs, i, seg1->mr_dma); + if (rc) { + dprintk("RPC: %s: failed ib_map_phys_fmr " + "%u@0x%llx+%i (%d)... status %i\n", __func__, + len, (unsigned long long)seg1->mr_dma, + pageoff, i, rc); + while (i--) + rpcrdma_unmap_one(ia, --seg); + } else { + seg1->mr_rkey = seg1->mr_chunk.rl_mw->r.fmr->rkey; + seg1->mr_base = seg1->mr_dma + pageoff; + seg1->mr_nsegs = i; + seg1->mr_len = len; + } + *nsegs = i; + return rc; +} + +static int +rpcrdma_deregister_fmr_external(struct rpcrdma_mr_seg *seg, + struct rpcrdma_ia *ia) +{ + struct rpcrdma_mr_seg *seg1 = seg; + LIST_HEAD(l); + int rc; + + list_add(&seg1->mr_chunk.rl_mw->r.fmr->list, &l); + rc = ib_unmap_fmr(&l); + while (seg1->mr_nsegs--) + rpcrdma_unmap_one(ia, seg++); + if (rc) + dprintk("RPC: %s: failed ib_unmap_fmr," + " status %i\n", __func__, rc); + return rc; +} + +static int +rpcrdma_register_memwin_external(struct rpcrdma_mr_seg *seg, + int *nsegs, int writing, struct rpcrdma_ia *ia, + struct rpcrdma_xprt *r_xprt) +{ + int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE : + IB_ACCESS_REMOTE_READ); + struct ib_mw_bind param; + int rc; + + *nsegs = 1; + rpcrdma_map_one(ia, seg, writing); + param.mr = ia->ri_bind_mem; + param.wr_id = 0ULL; /* no send cookie */ + param.addr = seg->mr_dma; + param.length = seg->mr_len; + param.send_flags = 0; + param.mw_access_flags = mem_priv; + + DECR_CQCOUNT(&r_xprt->rx_ep); + rc = ib_bind_mw(ia->ri_id->qp, seg->mr_chunk.rl_mw->r.mw, ¶m); + if (rc) { + dprintk("RPC: %s: failed ib_bind_mw " + "%u@0x%llx status %i\n", + __func__, seg->mr_len, + (unsigned long long)seg->mr_dma, rc); + rpcrdma_unmap_one(ia, seg); + } else { + seg->mr_rkey = seg->mr_chunk.rl_mw->r.mw->rkey; + seg->mr_base = param.addr; + seg->mr_nsegs = 1; + } + return rc; +} + +static int +rpcrdma_deregister_memwin_external(struct rpcrdma_mr_seg *seg, + struct rpcrdma_ia *ia, + struct rpcrdma_xprt *r_xprt, void **r) +{ + struct ib_mw_bind param; + LIST_HEAD(l); + int rc; + + BUG_ON(seg->mr_nsegs != 1); + param.mr = ia->ri_bind_mem; + param.addr = 0ULL; /* unbind */ + param.length = 0; + param.mw_access_flags = 0; + if (*r) { + param.wr_id = (u64) (unsigned long) *r; + param.send_flags = IB_SEND_SIGNALED; + INIT_CQCOUNT(&r_xprt->rx_ep); + } else { + param.wr_id = 0ULL; + param.send_flags = 0; + DECR_CQCOUNT(&r_xprt->rx_ep); + } + rc = ib_bind_mw(ia->ri_id->qp, seg->mr_chunk.rl_mw->r.mw, ¶m); + rpcrdma_unmap_one(ia, seg); + if (rc) + dprintk("RPC: %s: failed ib_(un)bind_mw," + " status %i\n", __func__, rc); + else + *r = NULL; /* will upcall on completion */ + return rc; +} + +static int +rpcrdma_register_default_external(struct rpcrdma_mr_seg *seg, + int *nsegs, int writing, struct rpcrdma_ia *ia) +{ + int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE : + IB_ACCESS_REMOTE_READ); + struct rpcrdma_mr_seg *seg1 = seg; + struct ib_phys_buf ipb[RPCRDMA_MAX_DATA_SEGS]; + int len, i, rc = 0; + + if (*nsegs > RPCRDMA_MAX_DATA_SEGS) + *nsegs = RPCRDMA_MAX_DATA_SEGS; + for (len = 0, i = 0; i < *nsegs;) { + rpcrdma_map_one(ia, seg, writing); + ipb[i].addr = seg->mr_dma; + ipb[i].size = seg->mr_len; + len += seg->mr_len; + ++seg; + ++i; + /* Check for holes */ + if ((i < *nsegs && offset_in_page(seg->mr_offset)) || + offset_in_page((seg-1)->mr_offset+(seg-1)->mr_len)) + break; + } + seg1->mr_base = seg1->mr_dma; + seg1->mr_chunk.rl_mr = ib_reg_phys_mr(ia->ri_pd, + ipb, i, mem_priv, &seg1->mr_base); + if (IS_ERR(seg1->mr_chunk.rl_mr)) { + rc = PTR_ERR(seg1->mr_chunk.rl_mr); + dprintk("RPC: %s: failed ib_reg_phys_mr " + "%u@0x%llx (%d)... status %i\n", + __func__, len, + (unsigned long long)seg1->mr_dma, i, rc); + while (i--) + rpcrdma_unmap_one(ia, --seg); + } else { + seg1->mr_rkey = seg1->mr_chunk.rl_mr->rkey; + seg1->mr_nsegs = i; + seg1->mr_len = len; + } + *nsegs = i; + return rc; +} + +static int +rpcrdma_deregister_default_external(struct rpcrdma_mr_seg *seg, + struct rpcrdma_ia *ia) +{ + struct rpcrdma_mr_seg *seg1 = seg; + int rc; + + rc = ib_dereg_mr(seg1->mr_chunk.rl_mr); + seg1->mr_chunk.rl_mr = NULL; + while (seg1->mr_nsegs--) + rpcrdma_unmap_one(ia, seg++); + if (rc) + dprintk("RPC: %s: failed ib_dereg_mr," + " status %i\n", __func__, rc); + return rc; +} + int rpcrdma_register_external(struct rpcrdma_mr_seg *seg, int nsegs, int writing, struct rpcrdma_xprt *r_xprt) { struct rpcrdma_ia *ia = &r_xprt->rx_ia; - int mem_priv = (writing ? IB_ACCESS_REMOTE_WRITE : - IB_ACCESS_REMOTE_READ); - struct rpcrdma_mr_seg *seg1 = seg; - int i; int rc = 0; switch (ia->ri_memreg_strategy) { @@ -1352,114 +1535,20 @@ rpcrdma_register_external(struct rpcrdma_mr_seg *seg, break; #endif - /* Registration using fast memory registration */ + /* Registration using fmr memory registration */ case RPCRDMA_MTHCAFMR: - { - u64 physaddrs[RPCRDMA_MAX_DATA_SEGS]; - int len, pageoff = offset_in_page(seg->mr_offset); - seg1->mr_offset -= pageoff; /* start of page */ - seg1->mr_len += pageoff; - len = -pageoff; - if (nsegs > RPCRDMA_MAX_DATA_SEGS) - nsegs = RPCRDMA_MAX_DATA_SEGS; - for (i = 0; i < nsegs;) { - rpcrdma_map_one(ia, seg, writing); - physaddrs[i] = seg->mr_dma; - len += seg->mr_len; - ++seg; - ++i; - /* Check for holes */ - if ((i < nsegs && offset_in_page(seg->mr_offset)) || - offset_in_page((seg-1)->mr_offset+(seg-1)->mr_len)) - break; - } - nsegs = i; - rc = ib_map_phys_fmr(seg1->mr_chunk.rl_mw->r.fmr, - physaddrs, nsegs, seg1->mr_dma); - if (rc) { - dprintk("RPC: %s: failed ib_map_phys_fmr " - "%u@0x%llx+%i (%d)... status %i\n", __func__, - len, (unsigned long long)seg1->mr_dma, - pageoff, nsegs, rc); - while (nsegs--) - rpcrdma_unmap_one(ia, --seg); - } else { - seg1->mr_rkey = seg1->mr_chunk.rl_mw->r.fmr->rkey; - seg1->mr_base = seg1->mr_dma + pageoff; - seg1->mr_nsegs = nsegs; - seg1->mr_len = len; - } - } + rc = rpcrdma_register_fmr_external(seg, &nsegs, writing, ia); break; /* Registration using memory windows */ case RPCRDMA_MEMWINDOWS_ASYNC: case RPCRDMA_MEMWINDOWS: - { - struct ib_mw_bind param; - rpcrdma_map_one(ia, seg, writing); - param.mr = ia->ri_bind_mem; - param.wr_id = 0ULL; /* no send cookie */ - param.addr = seg->mr_dma; - param.length = seg->mr_len; - param.send_flags = 0; - param.mw_access_flags = mem_priv; - - DECR_CQCOUNT(&r_xprt->rx_ep); - rc = ib_bind_mw(ia->ri_id->qp, - seg->mr_chunk.rl_mw->r.mw, ¶m); - if (rc) { - dprintk("RPC: %s: failed ib_bind_mw " - "%u@0x%llx status %i\n", - __func__, seg->mr_len, - (unsigned long long)seg->mr_dma, rc); - rpcrdma_unmap_one(ia, seg); - } else { - seg->mr_rkey = seg->mr_chunk.rl_mw->r.mw->rkey; - seg->mr_base = param.addr; - seg->mr_nsegs = 1; - nsegs = 1; - } - } + rc = rpcrdma_register_memwin_external(seg, &nsegs, writing, ia, r_xprt); break; /* Default registration each time */ default: - { - struct ib_phys_buf ipb[RPCRDMA_MAX_DATA_SEGS]; - int len = 0; - if (nsegs > RPCRDMA_MAX_DATA_SEGS) - nsegs = RPCRDMA_MAX_DATA_SEGS; - for (i = 0; i < nsegs;) { - rpcrdma_map_one(ia, seg, writing); - ipb[i].addr = seg->mr_dma; - ipb[i].size = seg->mr_len; - len += seg->mr_len; - ++seg; - ++i; - /* Check for holes */ - if ((i < nsegs && offset_in_page(seg->mr_offset)) || - offset_in_page((seg-1)->mr_offset+(seg-1)->mr_len)) - break; - } - nsegs = i; - seg1->mr_base = seg1->mr_dma; - seg1->mr_chunk.rl_mr = ib_reg_phys_mr(ia->ri_pd, - ipb, nsegs, mem_priv, &seg1->mr_base); - if (IS_ERR(seg1->mr_chunk.rl_mr)) { - rc = PTR_ERR(seg1->mr_chunk.rl_mr); - dprintk("RPC: %s: failed ib_reg_phys_mr " - "%u@0x%llx (%d)... status %i\n", - __func__, len, - (unsigned long long)seg1->mr_dma, nsegs, rc); - while (nsegs--) - rpcrdma_unmap_one(ia, --seg); - } else { - seg1->mr_rkey = seg1->mr_chunk.rl_mr->rkey; - seg1->mr_nsegs = nsegs; - seg1->mr_len = len; - } - } + rc = rpcrdma_register_default_external(seg, &nsegs, writing, ia); break; } if (rc) @@ -1473,7 +1562,6 @@ rpcrdma_deregister_external(struct rpcrdma_mr_seg *seg, struct rpcrdma_xprt *r_xprt, void *r) { struct rpcrdma_ia *ia = &r_xprt->rx_ia; - struct rpcrdma_mr_seg *seg1 = seg; int nsegs = seg->mr_nsegs, rc; switch (ia->ri_memreg_strategy) { @@ -1487,55 +1575,16 @@ rpcrdma_deregister_external(struct rpcrdma_mr_seg *seg, #endif case RPCRDMA_MTHCAFMR: - { - LIST_HEAD(l); - list_add(&seg->mr_chunk.rl_mw->r.fmr->list, &l); - rc = ib_unmap_fmr(&l); - while (seg1->mr_nsegs--) - rpcrdma_unmap_one(ia, seg++); - } - if (rc) - dprintk("RPC: %s: failed ib_unmap_fmr," - " status %i\n", __func__, rc); + rc = rpcrdma_deregister_fmr_external(seg, ia); break; case RPCRDMA_MEMWINDOWS_ASYNC: case RPCRDMA_MEMWINDOWS: - { - struct ib_mw_bind param; - BUG_ON(nsegs != 1); - param.mr = ia->ri_bind_mem; - param.addr = 0ULL; /* unbind */ - param.length = 0; - param.mw_access_flags = 0; - if (r) { - param.wr_id = (u64) (unsigned long) r; - param.send_flags = IB_SEND_SIGNALED; - INIT_CQCOUNT(&r_xprt->rx_ep); - } else { - param.wr_id = 0ULL; - param.send_flags = 0; - DECR_CQCOUNT(&r_xprt->rx_ep); - } - rc = ib_bind_mw(ia->ri_id->qp, - seg->mr_chunk.rl_mw->r.mw, ¶m); - rpcrdma_unmap_one(ia, seg); - } - if (rc) - dprintk("RPC: %s: failed ib_(un)bind_mw," - " status %i\n", __func__, rc); - else - r = NULL; /* will upcall on completion */ + rc = rpcrdma_deregister_memwin_external(seg, ia, r_xprt, &r); break; default: - rc = ib_dereg_mr(seg1->mr_chunk.rl_mr); - seg1->mr_chunk.rl_mr = NULL; - while (seg1->mr_nsegs--) - rpcrdma_unmap_one(ia, seg++); - if (rc) - dprintk("RPC: %s: failed ib_dereg_mr," - " status %i\n", __func__, rc); + rc = rpcrdma_deregister_default_external(seg, ia); break; } if (r) { -- GitLab From fe9053b30bb48b99f7b45541249f5cfe96bdf7f7 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 14:59:59 -0400 Subject: [PATCH 3485/6244] RPC/RDMA: add data types and new FRMR memory registration enum. Internal RPC/RDMA structure updates in preparation for FRMR support. Signed-off-by: Tom Talpey Acked-by: Tom Tucker Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprtrdma.h | 1 + net/sunrpc/xprtrdma/xprt_rdma.h | 8 +++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index 4de56b1d372b..55a5d92ca1e2 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -78,6 +78,7 @@ enum rpcrdma_memreg { RPCRDMA_MEMWINDOWS, RPCRDMA_MEMWINDOWS_ASYNC, RPCRDMA_MTHCAFMR, + RPCRDMA_FRMR, RPCRDMA_ALLPHYSICAL, RPCRDMA_LAST }; diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 2427822f8bd4..05b7898e1f4b 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -58,6 +58,8 @@ struct rpcrdma_ia { struct rdma_cm_id *ri_id; struct ib_pd *ri_pd; struct ib_mr *ri_bind_mem; + u32 ri_dma_lkey; + int ri_have_dma_lkey; struct completion ri_done; int ri_async_rc; enum rpcrdma_memreg ri_memreg_strategy; @@ -156,6 +158,10 @@ struct rpcrdma_mr_seg { /* chunk descriptors */ union { struct ib_mw *mw; struct ib_fmr *fmr; + struct { + struct ib_fast_reg_page_list *fr_pgl; + struct ib_mr *fr_mr; + } frmr; } r; struct list_head mw_list; } *rl_mw; @@ -198,7 +204,7 @@ struct rpcrdma_buffer { atomic_t rb_credits; /* most recent server credits */ unsigned long rb_cwndscale; /* cached framework rpc_cwndscale */ int rb_max_requests;/* client max requests */ - struct list_head rb_mws; /* optional memory windows/fmrs */ + struct list_head rb_mws; /* optional memory windows/fmrs/frmrs */ int rb_send_index; struct rpcrdma_req **rb_send_bufs; int rb_recv_index; -- GitLab From bd7ed1d13304d914648dacec4dbb9145aaae614e Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:00:09 -0400 Subject: [PATCH 3486/6244] RPC/RDMA: check selected memory registration mode at runtime. At transport creation, check for, and use, any local dma lkey. Then, check that the selected memory registration mode is in fact supported by the RDMA adapter selected for the mount. Fall back to best alternative if not. Signed-off-by: Tom Talpey Acked-by: Tom Tucker Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 95 +++++++++++++++++++++++++++++++------ 1 file changed, 80 insertions(+), 15 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index d04208a02f67..0f3b43148b7f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -423,7 +423,8 @@ rpcrdma_clean_cq(struct ib_cq *cq) int rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) { - int rc; + int rc, mem_priv; + struct ib_device_attr devattr; struct rpcrdma_ia *ia = &xprt->rx_ia; init_completion(&ia->ri_done); @@ -442,6 +443,53 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) goto out2; } + /* + * Query the device to determine if the requested memory + * registration strategy is supported. If it isn't, set the + * strategy to a globally supported model. + */ + rc = ib_query_device(ia->ri_id->device, &devattr); + if (rc) { + dprintk("RPC: %s: ib_query_device failed %d\n", + __func__, rc); + goto out2; + } + + if (devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY) { + ia->ri_have_dma_lkey = 1; + ia->ri_dma_lkey = ia->ri_id->device->local_dma_lkey; + } + + switch (memreg) { + case RPCRDMA_MEMWINDOWS: + case RPCRDMA_MEMWINDOWS_ASYNC: + if (!(devattr.device_cap_flags & IB_DEVICE_MEM_WINDOW)) { + dprintk("RPC: %s: MEMWINDOWS registration " + "specified but not supported by adapter, " + "using slower RPCRDMA_REGISTER\n", + __func__); + memreg = RPCRDMA_REGISTER; + } + break; + case RPCRDMA_MTHCAFMR: + if (!ia->ri_id->device->alloc_fmr) { +#if RPCRDMA_PERSISTENT_REGISTRATION + dprintk("RPC: %s: MTHCAFMR registration " + "specified but not supported by adapter, " + "using riskier RPCRDMA_ALLPHYSICAL\n", + __func__); + memreg = RPCRDMA_ALLPHYSICAL; +#else + dprintk("RPC: %s: MTHCAFMR registration " + "specified but not supported by adapter, " + "using slower RPCRDMA_REGISTER\n", + __func__); + memreg = RPCRDMA_REGISTER; +#endif + } + break; + } + /* * Optionally obtain an underlying physical identity mapping in * order to do a memory window-based bind. This base registration @@ -450,22 +498,27 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) * revoked after the corresponding completion similar to a storage * adapter. */ - if (memreg > RPCRDMA_REGISTER) { - int mem_priv = IB_ACCESS_LOCAL_WRITE; - switch (memreg) { + switch (memreg) { + case RPCRDMA_BOUNCEBUFFERS: + case RPCRDMA_REGISTER: + break; #if RPCRDMA_PERSISTENT_REGISTRATION - case RPCRDMA_ALLPHYSICAL: - mem_priv |= IB_ACCESS_REMOTE_WRITE; - mem_priv |= IB_ACCESS_REMOTE_READ; - break; + case RPCRDMA_ALLPHYSICAL: + mem_priv = IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_REMOTE_READ; + goto register_setup; #endif - case RPCRDMA_MEMWINDOWS_ASYNC: - case RPCRDMA_MEMWINDOWS: - mem_priv |= IB_ACCESS_MW_BIND; - break; - default: + case RPCRDMA_MEMWINDOWS_ASYNC: + case RPCRDMA_MEMWINDOWS: + mem_priv = IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_MW_BIND; + goto register_setup; + case RPCRDMA_MTHCAFMR: + if (ia->ri_have_dma_lkey) break; - } + mem_priv = IB_ACCESS_LOCAL_WRITE; + register_setup: ia->ri_bind_mem = ib_get_dma_mr(ia->ri_pd, mem_priv); if (IS_ERR(ia->ri_bind_mem)) { printk(KERN_ALERT "%s: ib_get_dma_mr for " @@ -475,7 +528,15 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) memreg = RPCRDMA_REGISTER; ia->ri_bind_mem = NULL; } + break; + default: + printk(KERN_ERR "%s: invalid memory registration mode %d\n", + __func__, memreg); + rc = -EINVAL; + goto out2; } + dprintk("RPC: %s: memory registration strategy is %d\n", + __func__, memreg); /* Else will do memory reg/dereg for each chunk */ ia->ri_memreg_strategy = memreg; @@ -1248,7 +1309,11 @@ rpcrdma_register_internal(struct rpcrdma_ia *ia, void *va, int len, va, len, DMA_BIDIRECTIONAL); iov->length = len; - if (ia->ri_bind_mem != NULL) { + if (ia->ri_have_dma_lkey) { + *mrp = NULL; + iov->lkey = ia->ri_dma_lkey; + return 0; + } else if (ia->ri_bind_mem != NULL) { *mrp = NULL; iov->lkey = ia->ri_bind_mem->lkey; return 0; -- GitLab From 3197d309f5fb042499b2c4c8f2fcb67372df5201 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:00:20 -0400 Subject: [PATCH 3487/6244] RPC/RDMA: support FRMR client memory registration. Configure, detect and use "fastreg" support from IB/iWARP verbs layer to perform RPC/RDMA memory registration. Make FRMR the default memreg mode (will fall back if not supported by the selected RDMA adapter). This allows full and optimal operation over the cxgb3 adapter, and others. Signed-off-by: Tom Talpey Acked-by: Tom Tucker Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/transport.c | 6 +- net/sunrpc/xprtrdma/verbs.c | 167 +++++++++++++++++++++++++++++++- 2 files changed, 167 insertions(+), 6 deletions(-) diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index a564c1a39ec5..89970b0a4cc9 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -70,11 +70,7 @@ static unsigned int xprt_rdma_slot_table_entries = RPCRDMA_DEF_SLOT_TABLE; static unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE; static unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE; static unsigned int xprt_rdma_inline_write_padding; -#if !RPCRDMA_PERSISTENT_REGISTRATION -static unsigned int xprt_rdma_memreg_strategy = RPCRDMA_REGISTER; /* FMR? */ -#else -static unsigned int xprt_rdma_memreg_strategy = RPCRDMA_ALLPHYSICAL; -#endif +static unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRMR; #ifdef RPC_DEBUG diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 0f3b43148b7f..39a165202d8f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -485,6 +485,26 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) "using slower RPCRDMA_REGISTER\n", __func__); memreg = RPCRDMA_REGISTER; +#endif + } + break; + case RPCRDMA_FRMR: + /* Requires both frmr reg and local dma lkey */ + if ((devattr.device_cap_flags & + (IB_DEVICE_MEM_MGT_EXTENSIONS|IB_DEVICE_LOCAL_DMA_LKEY)) != + (IB_DEVICE_MEM_MGT_EXTENSIONS|IB_DEVICE_LOCAL_DMA_LKEY)) { +#if RPCRDMA_PERSISTENT_REGISTRATION + dprintk("RPC: %s: FRMR registration " + "specified but not supported by adapter, " + "using riskier RPCRDMA_ALLPHYSICAL\n", + __func__); + memreg = RPCRDMA_ALLPHYSICAL; +#else + dprintk("RPC: %s: FRMR registration " + "specified but not supported by adapter, " + "using slower RPCRDMA_REGISTER\n", + __func__); + memreg = RPCRDMA_REGISTER; #endif } break; @@ -501,6 +521,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) switch (memreg) { case RPCRDMA_BOUNCEBUFFERS: case RPCRDMA_REGISTER: + case RPCRDMA_FRMR: break; #if RPCRDMA_PERSISTENT_REGISTRATION case RPCRDMA_ALLPHYSICAL: @@ -602,6 +623,12 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, ep->rep_attr.srq = NULL; ep->rep_attr.cap.max_send_wr = cdata->max_requests; switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + /* Add room for frmr register and invalidate WRs */ + ep->rep_attr.cap.max_send_wr *= 3; + if (ep->rep_attr.cap.max_send_wr > devattr.max_qp_wr) + return -EINVAL; + break; case RPCRDMA_MEMWINDOWS_ASYNC: case RPCRDMA_MEMWINDOWS: /* Add room for mw_binds+unbinds - overkill! */ @@ -684,6 +711,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, break; case RPCRDMA_MTHCAFMR: case RPCRDMA_REGISTER: + case RPCRDMA_FRMR: ep->rep_remote_cma.responder_resources = cdata->max_requests * (RPCRDMA_MAX_DATA_SEGS / 8); break; @@ -935,7 +963,7 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, * 2. arrays of struct rpcrdma_req to fill in pointers * 3. array of struct rpcrdma_rep for replies * 4. padding, if any - * 5. mw's or fmr's, if any + * 5. mw's, fmr's or frmr's, if any * Send/recv buffers in req/rep need to be registered */ @@ -943,6 +971,10 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, (sizeof(struct rpcrdma_req *) + sizeof(struct rpcrdma_rep *)); len += cdata->padding; switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + len += buf->rb_max_requests * RPCRDMA_MAX_SEGS * + sizeof(struct rpcrdma_mw); + break; case RPCRDMA_MTHCAFMR: /* TBD we are perhaps overallocating here */ len += (buf->rb_max_requests + 1) * RPCRDMA_MAX_SEGS * @@ -991,6 +1023,30 @@ rpcrdma_buffer_create(struct rpcrdma_buffer *buf, struct rpcrdma_ep *ep, INIT_LIST_HEAD(&buf->rb_mws); r = (struct rpcrdma_mw *)p; switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + for (i = buf->rb_max_requests * RPCRDMA_MAX_SEGS; i; i--) { + r->r.frmr.fr_mr = ib_alloc_fast_reg_mr(ia->ri_pd, + RPCRDMA_MAX_SEGS); + if (IS_ERR(r->r.frmr.fr_mr)) { + rc = PTR_ERR(r->r.frmr.fr_mr); + dprintk("RPC: %s: ib_alloc_fast_reg_mr" + " failed %i\n", __func__, rc); + goto out; + } + r->r.frmr.fr_pgl = + ib_alloc_fast_reg_page_list(ia->ri_id->device, + RPCRDMA_MAX_SEGS); + if (IS_ERR(r->r.frmr.fr_pgl)) { + rc = PTR_ERR(r->r.frmr.fr_pgl); + dprintk("RPC: %s: " + "ib_alloc_fast_reg_page_list " + "failed %i\n", __func__, rc); + goto out; + } + list_add(&r->mw_list, &buf->rb_mws); + ++r; + } + break; case RPCRDMA_MTHCAFMR: /* TBD we are perhaps overallocating here */ for (i = (buf->rb_max_requests+1) * RPCRDMA_MAX_SEGS; i; i--) { @@ -1126,6 +1182,15 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) struct rpcrdma_mw, mw_list); list_del(&r->mw_list); switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: + rc = ib_dereg_mr(r->r.frmr.fr_mr); + if (rc) + dprintk("RPC: %s:" + " ib_dereg_mr" + " failed %i\n", + __func__, rc); + ib_free_fast_reg_page_list(r->r.frmr.fr_pgl); + break; case RPCRDMA_MTHCAFMR: rc = ib_dealloc_fmr(r->r.fmr); if (rc) @@ -1228,6 +1293,7 @@ rpcrdma_buffer_put(struct rpcrdma_req *req) req->rl_reply = NULL; } switch (ia->ri_memreg_strategy) { + case RPCRDMA_FRMR: case RPCRDMA_MTHCAFMR: case RPCRDMA_MEMWINDOWS_ASYNC: case RPCRDMA_MEMWINDOWS: @@ -1390,6 +1456,96 @@ rpcrdma_unmap_one(struct rpcrdma_ia *ia, struct rpcrdma_mr_seg *seg) seg->mr_dma, seg->mr_dmalen, seg->mr_dir); } +static int +rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg, + int *nsegs, int writing, struct rpcrdma_ia *ia, + struct rpcrdma_xprt *r_xprt) +{ + struct rpcrdma_mr_seg *seg1 = seg; + struct ib_send_wr frmr_wr, *bad_wr; + u8 key; + int len, pageoff; + int i, rc; + + pageoff = offset_in_page(seg1->mr_offset); + seg1->mr_offset -= pageoff; /* start of page */ + seg1->mr_len += pageoff; + len = -pageoff; + if (*nsegs > RPCRDMA_MAX_DATA_SEGS) + *nsegs = RPCRDMA_MAX_DATA_SEGS; + for (i = 0; i < *nsegs;) { + rpcrdma_map_one(ia, seg, writing); + seg1->mr_chunk.rl_mw->r.frmr.fr_pgl->page_list[i] = seg->mr_dma; + len += seg->mr_len; + ++seg; + ++i; + /* Check for holes */ + if ((i < *nsegs && offset_in_page(seg->mr_offset)) || + offset_in_page((seg-1)->mr_offset + (seg-1)->mr_len)) + break; + } + dprintk("RPC: %s: Using frmr %p to map %d segments\n", + __func__, seg1->mr_chunk.rl_mw, i); + + /* Bump the key */ + key = (u8)(seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey & 0x000000FF); + ib_update_fast_reg_key(seg1->mr_chunk.rl_mw->r.frmr.fr_mr, ++key); + + /* Prepare FRMR WR */ + memset(&frmr_wr, 0, sizeof frmr_wr); + frmr_wr.opcode = IB_WR_FAST_REG_MR; + frmr_wr.send_flags = 0; /* unsignaled */ + frmr_wr.wr.fast_reg.iova_start = (unsigned long)seg1->mr_dma; + frmr_wr.wr.fast_reg.page_list = seg1->mr_chunk.rl_mw->r.frmr.fr_pgl; + frmr_wr.wr.fast_reg.page_list_len = i; + frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT; + frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT; + frmr_wr.wr.fast_reg.access_flags = (writing ? + IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ); + frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; + DECR_CQCOUNT(&r_xprt->rx_ep); + + rc = ib_post_send(ia->ri_id->qp, &frmr_wr, &bad_wr); + + if (rc) { + dprintk("RPC: %s: failed ib_post_send for register," + " status %i\n", __func__, rc); + while (i--) + rpcrdma_unmap_one(ia, --seg); + } else { + seg1->mr_rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; + seg1->mr_base = seg1->mr_dma + pageoff; + seg1->mr_nsegs = i; + seg1->mr_len = len; + } + *nsegs = i; + return rc; +} + +static int +rpcrdma_deregister_frmr_external(struct rpcrdma_mr_seg *seg, + struct rpcrdma_ia *ia, struct rpcrdma_xprt *r_xprt) +{ + struct rpcrdma_mr_seg *seg1 = seg; + struct ib_send_wr invalidate_wr, *bad_wr; + int rc; + + while (seg1->mr_nsegs--) + rpcrdma_unmap_one(ia, seg++); + + memset(&invalidate_wr, 0, sizeof invalidate_wr); + invalidate_wr.opcode = IB_WR_LOCAL_INV; + invalidate_wr.send_flags = 0; /* unsignaled */ + invalidate_wr.ex.invalidate_rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey; + DECR_CQCOUNT(&r_xprt->rx_ep); + + rc = ib_post_send(ia->ri_id->qp, &invalidate_wr, &bad_wr); + if (rc) + dprintk("RPC: %s: failed ib_post_send for invalidate," + " status %i\n", __func__, rc); + return rc; +} + static int rpcrdma_register_fmr_external(struct rpcrdma_mr_seg *seg, int *nsegs, int writing, struct rpcrdma_ia *ia) @@ -1600,6 +1756,11 @@ rpcrdma_register_external(struct rpcrdma_mr_seg *seg, break; #endif + /* Registration using frmr registration */ + case RPCRDMA_FRMR: + rc = rpcrdma_register_frmr_external(seg, &nsegs, writing, ia, r_xprt); + break; + /* Registration using fmr memory registration */ case RPCRDMA_MTHCAFMR: rc = rpcrdma_register_fmr_external(seg, &nsegs, writing, ia); @@ -1639,6 +1800,10 @@ rpcrdma_deregister_external(struct rpcrdma_mr_seg *seg, break; #endif + case RPCRDMA_FRMR: + rc = rpcrdma_deregister_frmr_external(seg, ia, r_xprt); + break; + case RPCRDMA_MTHCAFMR: rc = rpcrdma_deregister_fmr_external(seg, ia); break; -- GitLab From b334eaabf4f92226d2df13c613888a507f03da99 Mon Sep 17 00:00:00 2001 From: Tom Tucker Date: Thu, 9 Oct 2008 15:00:30 -0400 Subject: [PATCH 3488/6244] RPC/RDMA: fix connection IRD/ORD setting This logic sets the connection parameter that configures the local device and informs the remote peer how many concurrent incoming RDMA_READ requests are supported. The original logic didn't really do what was intended for two reasons: - The max number supported by the device is typically smaller than any one factor in the calculation used, and - The field in the connection parameter structure where the value is stored is a u8 and always overflows for the default settings. So what really happens is the value requested for responder resources is the left over 8 bits from the "desired value". If the desired value happened to be a multiple of 256, the result was zero and it wouldn't connect at all. Given the above and the fact that max_requests is almost always larger than the max responder resources supported by the adapter, this patch simplifies this logic and simply requests the max supported by the device, subject to a reasonable limit. This bug was found by Jim Schutt at Sandia. Signed-off-by: Tom Tucker Acked-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 51 ++++++++++--------------------------- 1 file changed, 14 insertions(+), 37 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 39a165202d8f..e3fe9054fef6 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -705,30 +705,13 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, ep->rep_remote_cma.private_data_len = 0; /* Client offers RDMA Read but does not initiate */ - switch (ia->ri_memreg_strategy) { - case RPCRDMA_BOUNCEBUFFERS: + ep->rep_remote_cma.initiator_depth = 0; + if (ia->ri_memreg_strategy == RPCRDMA_BOUNCEBUFFERS) ep->rep_remote_cma.responder_resources = 0; - break; - case RPCRDMA_MTHCAFMR: - case RPCRDMA_REGISTER: - case RPCRDMA_FRMR: - ep->rep_remote_cma.responder_resources = cdata->max_requests * - (RPCRDMA_MAX_DATA_SEGS / 8); - break; - case RPCRDMA_MEMWINDOWS: - case RPCRDMA_MEMWINDOWS_ASYNC: -#if RPCRDMA_PERSISTENT_REGISTRATION - case RPCRDMA_ALLPHYSICAL: -#endif - ep->rep_remote_cma.responder_resources = cdata->max_requests * - (RPCRDMA_MAX_DATA_SEGS / 2); - break; - default: - break; - } - if (ep->rep_remote_cma.responder_resources > devattr.max_qp_rd_atom) + else if (devattr.max_qp_rd_atom > 32) /* arbitrary but <= 255 */ + ep->rep_remote_cma.responder_resources = 32; + else ep->rep_remote_cma.responder_resources = devattr.max_qp_rd_atom; - ep->rep_remote_cma.initiator_depth = 0; ep->rep_remote_cma.retry_count = 7; ep->rep_remote_cma.flow_control = 0; @@ -858,14 +841,6 @@ if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) { } } - /* Theoretically a client initiator_depth > 0 is not needed, - * but many peers fail to complete the connection unless they - * == responder_resources! */ - if (ep->rep_remote_cma.initiator_depth != - ep->rep_remote_cma.responder_resources) - ep->rep_remote_cma.initiator_depth = - ep->rep_remote_cma.responder_resources; - ep->rep_connected = 0; rc = rdma_connect(ia->ri_id, &ep->rep_remote_cma); @@ -894,14 +869,16 @@ if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) { if (ep->rep_connected <= 0) { /* Sometimes, the only way to reliably connect to remote * CMs is to use same nonzero values for ORD and IRD. */ - ep->rep_remote_cma.initiator_depth = - ep->rep_remote_cma.responder_resources; - if (ep->rep_remote_cma.initiator_depth == 0) - ++ep->rep_remote_cma.initiator_depth; - if (ep->rep_remote_cma.responder_resources == 0) - ++ep->rep_remote_cma.responder_resources; - if (retry_count++ == 0) + if (retry_count++ <= RDMA_CONNECT_RETRY_MAX + 1 && + (ep->rep_remote_cma.responder_resources == 0 || + ep->rep_remote_cma.initiator_depth != + ep->rep_remote_cma.responder_resources)) { + if (ep->rep_remote_cma.responder_resources == 0) + ep->rep_remote_cma.responder_resources = 1; + ep->rep_remote_cma.initiator_depth = + ep->rep_remote_cma.responder_resources; goto retry; + } rc = ep->rep_connected; } else { dprintk("RPC: %s: connected\n", __func__); -- GitLab From ba9e64b1c23f1dd22fea14c310f739d84ac8b748 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 10 Oct 2008 12:10:30 -0700 Subject: [PATCH 3489/6244] gre: fix copy and paste error The flags are dumped twice, the keys not at all. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 0d5e35b0ed54..c0755e98b810 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1539,8 +1539,8 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev) NLA_PUT_U32(skb, IFLA_GRE_LINK, p->link); NLA_PUT_BE16(skb, IFLA_GRE_IFLAGS, p->i_flags); NLA_PUT_BE16(skb, IFLA_GRE_OFLAGS, p->o_flags); - NLA_PUT_BE32(skb, IFLA_GRE_IFLAGS, p->i_flags); - NLA_PUT_BE32(skb, IFLA_GRE_OFLAGS, p->o_flags); + NLA_PUT_BE32(skb, IFLA_GRE_IKEY, p->i_key); + NLA_PUT_BE32(skb, IFLA_GRE_OKEY, p->o_key); NLA_PUT(skb, IFLA_GRE_LOCAL, 4, &p->iph.saddr); NLA_PUT(skb, IFLA_GRE_REMOTE, 4, &p->iph.daddr); NLA_PUT_U8(skb, IFLA_GRE_TTL, p->iph.ttl); -- GitLab From 575448bd36208f99fe0dd554a43518d798966740 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:00:40 -0400 Subject: [PATCH 3490/6244] RPC/RDMA: suppress retransmit on RPC/RDMA clients. An RPC/RDMA client cannot retransmit on an unbroken connection, doing so violates its flow control with the server. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/rpc_rdma.c | 2 ++ net/sunrpc/xprtrdma/transport.c | 16 ++++++++++++---- net/sunrpc/xprtrdma/xprt_rdma.h | 1 + 3 files changed, 15 insertions(+), 4 deletions(-) diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index e55427f73dfe..721dae795d68 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -681,6 +681,8 @@ rpcrdma_conn_func(struct rpcrdma_ep *ep) struct rpc_xprt *xprt = ep->rep_xprt; spin_lock_bh(&xprt->transport_lock); + if (++xprt->connect_cookie == 0) /* maintain a reserved value */ + ++xprt->connect_cookie; if (ep->rep_connected > 0) { if (!xprt_test_and_set_connected(xprt)) xprt_wake_pending_tasks(xprt, 0); diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 89970b0a4cc9..0aefc6485385 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -587,6 +587,7 @@ xprt_rdma_allocate(struct rpc_task *task, size_t size) } dprintk("RPC: %s: size %zd, request 0x%p\n", __func__, size, req); out: + req->rl_connect_cookie = 0; /* our reserved value */ return req->rl_xdr_buf; outfail: @@ -690,13 +691,20 @@ xprt_rdma_send_request(struct rpc_task *task) req->rl_reply->rr_xprt = xprt; } - if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req)) { - xprt_disconnect_done(xprt); - return -ENOTCONN; /* implies disconnect */ - } + /* Must suppress retransmit to maintain credits */ + if (req->rl_connect_cookie == xprt->connect_cookie) + goto drop_connection; + req->rl_connect_cookie = xprt->connect_cookie; + + if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req)) + goto drop_connection; rqst->rq_bytes_sent = 0; return 0; + +drop_connection: + xprt_disconnect_done(xprt); + return -ENOTCONN; /* implies disconnect */ } static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq) diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 05b7898e1f4b..2db2344d487e 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -181,6 +181,7 @@ struct rpcrdma_req { size_t rl_size; /* actual length of buffer */ unsigned int rl_niovs; /* 0, 2 or 4 */ unsigned int rl_nchunks; /* non-zero if chunks */ + unsigned int rl_connect_cookie; /* retry detection */ struct rpcrdma_buffer *rl_buffer; /* home base for this structure */ struct rpcrdma_rep *rl_reply;/* holder for reply buffer */ struct rpcrdma_mr_seg rl_segments[RPCRDMA_MAX_SEGS];/* chunk segments */ -- GitLab From ad0e9e01da4ece70ff524b49c77c5e850d5dd53e Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:00:50 -0400 Subject: [PATCH 3491/6244] RPC/RDMA: maintain the RPC task bytes-sent statistic. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/transport.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index 0aefc6485385..ec6d1e7a1941 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -699,6 +699,7 @@ xprt_rdma_send_request(struct rpc_task *task) if (rpcrdma_ep_post(&r_xprt->rx_ia, &r_xprt->rx_ep, req)) goto drop_connection; + task->tk_bytes_sent += rqst->rq_snd_buf.len; rqst->rq_bytes_sent = 0; return 0; -- GitLab From 4d74f8ba1fb152ae07eb858abb713e094e77b7d5 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 10 Oct 2008 12:11:06 -0700 Subject: [PATCH 3492/6244] gre: minor cleanups in netlink interface - use typeful helpers for IFLA_GRE_LOCAL/IFLA_GRE_REMOTE - replace magic value by FIELD_SIZEOF - use MODULE_ALIAS_RTNL_LINK macro Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index c0755e98b810..05ebce2881ef 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1368,10 +1368,10 @@ static void ipgre_netlink_parms(struct nlattr *data[], parms->o_key = nla_get_be32(data[IFLA_GRE_OKEY]); if (data[IFLA_GRE_LOCAL]) - memcpy(&parms->iph.saddr, nla_data(data[IFLA_GRE_LOCAL]), 4); + parms->iph.saddr = nla_get_be32(data[IFLA_GRE_LOCAL]); if (data[IFLA_GRE_REMOTE]) - memcpy(&parms->iph.daddr, nla_data(data[IFLA_GRE_REMOTE]), 4); + parms->iph.daddr = nla_get_be32(data[IFLA_GRE_REMOTE]); if (data[IFLA_GRE_TTL]) parms->iph.ttl = nla_get_u8(data[IFLA_GRE_TTL]); @@ -1541,8 +1541,8 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev) NLA_PUT_BE16(skb, IFLA_GRE_OFLAGS, p->o_flags); NLA_PUT_BE32(skb, IFLA_GRE_IKEY, p->i_key); NLA_PUT_BE32(skb, IFLA_GRE_OKEY, p->o_key); - NLA_PUT(skb, IFLA_GRE_LOCAL, 4, &p->iph.saddr); - NLA_PUT(skb, IFLA_GRE_REMOTE, 4, &p->iph.daddr); + NLA_PUT_BE32(skb, IFLA_GRE_LOCAL, p->iph.saddr); + NLA_PUT_BE32(skb, IFLA_GRE_REMOTE, p->iph.daddr); NLA_PUT_U8(skb, IFLA_GRE_TTL, p->iph.ttl); NLA_PUT_U8(skb, IFLA_GRE_TOS, p->iph.tos); NLA_PUT_U8(skb, IFLA_GRE_PMTUDISC, !!(p->iph.frag_off & htons(IP_DF))); @@ -1559,8 +1559,8 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = { [IFLA_GRE_OFLAGS] = { .type = NLA_U16 }, [IFLA_GRE_IKEY] = { .type = NLA_U32 }, [IFLA_GRE_OKEY] = { .type = NLA_U32 }, - [IFLA_GRE_LOCAL] = { .len = 4 }, - [IFLA_GRE_REMOTE] = { .len = 4 }, + [IFLA_GRE_LOCAL] = { .len = FIELD_SIZEOF(struct iphdr, saddr) }, + [IFLA_GRE_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) }, [IFLA_GRE_TTL] = { .type = NLA_U8 }, [IFLA_GRE_TOS] = { .type = NLA_U8 }, [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 }, @@ -1643,5 +1643,5 @@ static void __exit ipgre_fini(void) module_init(ipgre_init); module_exit(ipgre_fini); MODULE_LICENSE("GPL"); -MODULE_ALIAS("rtnl-link-gre"); -MODULE_ALIAS("rtnl-link-gretap"); +MODULE_ALIAS_RTNL_LINK("gre"); +MODULE_ALIAS_RTNL_LINK("gretap"); -- GitLab From fee08caf943e8ed3446ce42fa085b5e7e5f08d92 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:00 -0400 Subject: [PATCH 3493/6244] RPC/RDMA: avoid an oops due to disconnect racing with async upcalls. RDMA disconnects yield an upcall from the RDMA connection manager, which can race with rpc transport close, e.g. on ^C of a mount. Ensure any rdma cm_id and qp are fully destroyed before continuing. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index e3fe9054fef6..d94f379f36d7 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -565,6 +565,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) return 0; out2: rdma_destroy_id(ia->ri_id); + ia->ri_id = NULL; out1: return rc; } @@ -585,15 +586,17 @@ rpcrdma_ia_close(struct rpcrdma_ia *ia) dprintk("RPC: %s: ib_dereg_mr returned %i\n", __func__, rc); } - if (ia->ri_id != NULL && !IS_ERR(ia->ri_id) && ia->ri_id->qp) - rdma_destroy_qp(ia->ri_id); + if (ia->ri_id != NULL && !IS_ERR(ia->ri_id)) { + if (ia->ri_id->qp) + rdma_destroy_qp(ia->ri_id); + rdma_destroy_id(ia->ri_id); + ia->ri_id = NULL; + } if (ia->ri_pd != NULL && !IS_ERR(ia->ri_pd)) { rc = ib_dealloc_pd(ia->ri_pd); dprintk("RPC: %s: ib_dealloc_pd returned %i\n", __func__, rc); } - if (ia->ri_id != NULL && !IS_ERR(ia->ri_id)) - rdma_destroy_id(ia->ri_id); } /* @@ -751,21 +754,16 @@ rpcrdma_ep_destroy(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) if (rc) dprintk("RPC: %s: rpcrdma_ep_disconnect" " returned %i\n", __func__, rc); + rdma_destroy_qp(ia->ri_id); + ia->ri_id->qp = NULL; } - ep->rep_func = NULL; - /* padding - could be done in rpcrdma_buffer_destroy... */ if (ep->rep_pad_mr) { rpcrdma_deregister_internal(ia, ep->rep_pad_mr, &ep->rep_pad); ep->rep_pad_mr = NULL; } - if (ia->ri_id->qp) { - rdma_destroy_qp(ia->ri_id); - ia->ri_id->qp = NULL; - } - rpcrdma_clean_cq(ep->rep_cq); rc = ib_destroy_cq(ep->rep_cq); if (rc) -- GitLab From 9191ca3b381b15b9a88785a8ae2fa4db8e553b0c Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:11 -0400 Subject: [PATCH 3494/6244] RPC/RDMA: adhere to protocol for unpadded client trailing write chunks. The RPC/RDMA protocol allows clients and servers to avoid RDMA operations for data which is purely the result of XDR padding. On the client, automatically insert the necessary padding for such server replies, and optionally don't marshal such chunks. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/rpc_rdma.c | 21 +++++++++++++++++++-- net/sunrpc/xprtrdma/transport.c | 9 +++++++++ net/sunrpc/xprtrdma/xprt_rdma.h | 5 +++++ 3 files changed, 33 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 721dae795d68..d245c0bf7873 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -118,6 +118,10 @@ rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, unsigned int pos, } if (xdrbuf->tail[0].iov_len) { + /* the rpcrdma protocol allows us to omit any trailing + * xdr pad bytes, saving the server an RDMA operation. */ + if (xdrbuf->tail[0].iov_len < 4 && xprt_rdma_pad_optimize) + return n; if (n == nsegs) return 0; seg[n].mr_page = NULL; @@ -594,7 +598,7 @@ rpcrdma_count_chunks(struct rpcrdma_rep *rep, unsigned int max, int wrchunk, __b * Scatter inline received data back into provided iov's. */ static void -rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len) +rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len, int pad) { int i, npages, curlen, olen; char *destp; @@ -660,6 +664,13 @@ rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len) } else rqst->rq_rcv_buf.tail[0].iov_len = 0; + if (pad) { + /* implicit padding on terminal chunk */ + unsigned char *p = rqst->rq_rcv_buf.tail[0].iov_base; + while (pad--) + p[rqst->rq_rcv_buf.tail[0].iov_len++] = 0; + } + if (copy_len) dprintk("RPC: %s: %d bytes in" " %d extra segments (%d lost)\n", @@ -794,14 +805,20 @@ repost: ((unsigned char *)iptr - (unsigned char *)headerp); status = rep->rr_len + rdmalen; r_xprt->rx_stats.total_rdma_reply += rdmalen; + /* special case - last chunk may omit padding */ + if (rdmalen &= 3) { + rdmalen = 4 - rdmalen; + status += rdmalen; + } } else { /* else ordinary inline */ + rdmalen = 0; iptr = (__be32 *)((unsigned char *)headerp + 28); rep->rr_len -= 28; /*sizeof *headerp;*/ status = rep->rr_len; } /* Fix up the rpc results for upper layer */ - rpcrdma_inline_fixup(rqst, (char *)iptr, rep->rr_len); + rpcrdma_inline_fixup(rqst, (char *)iptr, rep->rr_len, rdmalen); break; case __constant_htonl(RDMA_NOMSG): diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index ec6d1e7a1941..c7d2380bb5e3 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -71,6 +71,7 @@ static unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE; static unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE; static unsigned int xprt_rdma_inline_write_padding; static unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRMR; + int xprt_rdma_pad_optimize = 0; #ifdef RPC_DEBUG @@ -135,6 +136,14 @@ static ctl_table xr_tunables_table[] = { .extra1 = &min_memreg, .extra2 = &max_memreg, }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "rdma_pad_optimize", + .data = &xprt_rdma_pad_optimize, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, { .ctl_name = 0, }, diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 2db2344d487e..fde6499a53b2 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -280,6 +280,11 @@ struct rpcrdma_xprt { #define rpcx_to_rdmax(x) container_of(x, struct rpcrdma_xprt, xprt) #define rpcx_to_rdmad(x) (rpcx_to_rdmax(x)->rx_data) +/* Setting this to 0 ensures interoperability with early servers. + * Setting this to 1 enhances certain unaligned read/write performance. + * Default is 0, see sysctl entry and rpc_rdma.c rpcrdma_convert_iovs() */ +extern int xprt_rdma_pad_optimize; + /* * Interface Adapter calls - xprtrdma/verbs.c */ -- GitLab From 291d5f30399c258344c71069552b82b694bb2b34 Mon Sep 17 00:00:00 2001 From: Robert Reif Date: Fri, 10 Oct 2008 12:12:41 -0700 Subject: [PATCH 3495/6244] cg6: disable cursor when leaving graphics mode On sparc32 debian etch, the cursor is not disabled when leaving X windows. This patch disables the cursor when leaving graphics mode just like the ffb driver. Signed-off-by: Robert Reif Signed-off-by: David S. Miller --- drivers/video/cg6.c | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index 9eaa63ab08fa..940ec04f0f1b 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c @@ -34,10 +34,11 @@ static int cg6_blank(int, struct fb_info *); static void cg6_imageblit(struct fb_info *, const struct fb_image *); static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *); +static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area); static int cg6_sync(struct fb_info *); static int cg6_mmap(struct fb_info *, struct vm_area_struct *); static int cg6_ioctl(struct fb_info *, unsigned int, unsigned long); -static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area); +static int cg6_pan_display(struct fb_var_screeninfo *, struct fb_info *); /* * Frame buffer operations @@ -47,6 +48,7 @@ static struct fb_ops cg6_ops = { .owner = THIS_MODULE, .fb_setcolreg = cg6_setcolreg, .fb_blank = cg6_blank, + .fb_pan_display = cg6_pan_display, .fb_fillrect = cg6_fillrect, .fb_copyarea = cg6_copyarea, .fb_imageblit = cg6_imageblit, @@ -161,6 +163,7 @@ static struct fb_ops cg6_ops = { #define CG6_THC_MISC_INT_ENAB (1 << 5) #define CG6_THC_MISC_INT (1 << 4) #define CG6_THC_MISC_INIT 0x9f +#define CG6_THC_CURSOFF ((65536-32) | ((65536-32) << 16)) /* The contents are unknown */ struct cg6_tec { @@ -280,6 +283,33 @@ static int cg6_sync(struct fb_info *info) return 0; } +static void cg6_switch_from_graph(struct cg6_par *par) +{ + struct cg6_thc __iomem *thc = par->thc; + unsigned long flags; + + spin_lock_irqsave(&par->lock, flags); + + /* Hide the cursor. */ + sbus_writel(CG6_THC_CURSOFF, &thc->thc_cursxy); + + spin_unlock_irqrestore(&par->lock, flags); +} + +static int cg6_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + struct cg6_par *par = (struct cg6_par *)info->par; + + /* We just use this to catch switches out of + * graphics mode. + */ + cg6_switch_from_graph(par); + + if (var->xoffset || var->yoffset || var->vmode) + return -EINVAL; + return 0; +} + /** * cg6_fillrect - Draws a rectangle on the screen. * @@ -643,9 +673,13 @@ static void __devinit cg6_chip_init(struct fb_info *info) struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_tec __iomem *tec = par->tec; struct cg6_fbc __iomem *fbc = par->fbc; + struct cg6_thc __iomem *thc = par->thc; u32 rev, conf, mode; int i; + /* Hide the cursor. */ + sbus_writel(CG6_THC_CURSOFF, &thc->thc_cursxy); + /* Turn off stuff in the Transform Engine. */ sbus_writel(0, &tec->tec_matrix); sbus_writel(0, &tec->tec_clip); -- GitLab From 926449ba66ce2a45c619bbe755b00d6bdbf0d83e Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:21 -0400 Subject: [PATCH 3496/6244] RPC/RDMA: return a consistent error, when connect fails. The xprt_connect call path does not expect such errors as ECONNREFUSED to be returned from failed transport connection attempts, otherwise it translates them to EIO and signals fatal errors. For example, mount.nfs prints simply "internal error". Translate all such errors to ENOTCONN from RPC/RDMA to match sockets behavior. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/rpc_rdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index d245c0bf7873..94ecf1b65ff6 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -699,7 +699,7 @@ rpcrdma_conn_func(struct rpcrdma_ep *ep) xprt_wake_pending_tasks(xprt, 0); } else { if (xprt_test_and_clear_connected(xprt)) - xprt_wake_pending_tasks(xprt, ep->rep_connected); + xprt_wake_pending_tasks(xprt, -ENOTCONN); } spin_unlock_bh(&xprt->transport_lock); } -- GitLab From 1a954051b0cf79bd67e5f9db40333e3a9b1d05d2 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:31 -0400 Subject: [PATCH 3497/6244] RPC/RDMA: fix connect/reconnect resource leak. The RPC/RDMA code can leak RDMA connection manager endpoints in certain error cases on connect. Don't signal unwanted events, and be certain to destroy any allocated qp. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index d94f379f36d7..a63d0c0ec017 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -338,10 +338,8 @@ connected: wake_up_all(&ep->rep_connect_wait); break; default: - ia->ri_async_rc = -EINVAL; - dprintk("RPC: %s: unexpected CM event %X\n", + dprintk("RPC: %s: unexpected CM event %d\n", __func__, event->event); - complete(&ia->ri_done); break; } @@ -355,6 +353,8 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt, struct rdma_cm_id *id; int rc; + init_completion(&ia->ri_done); + id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP); if (IS_ERR(id)) { rc = PTR_ERR(id); @@ -427,8 +427,6 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg) struct ib_device_attr devattr; struct rpcrdma_ia *ia = &xprt->rx_ia; - init_completion(&ia->ri_done); - ia->ri_id = rpcrdma_create_id(xprt, ia, addr); if (IS_ERR(ia->ri_id)) { rc = PTR_ERR(ia->ri_id); @@ -815,6 +813,7 @@ retry: goto out; } /* END TEMP */ + rdma_destroy_qp(ia->ri_id); rdma_destroy_id(ia->ri_id); ia->ri_id = id; } -- GitLab From 4dd95b63ae25c5cad6986829b5e8788e9faa0330 Mon Sep 17 00:00:00 2001 From: Robert Reif Date: Fri, 10 Oct 2008 12:13:22 -0700 Subject: [PATCH 3498/6244] leo: disable cursor when leaving graphics mode On sparc32 debian etch, the cursor is not disabled when leaving X windows. This patch disables the cursor when leaving graphics mode just like the ffb driver. Signed-off-by: Robert Reif Signed-off-by: David S. Miller --- drivers/video/leo.c | 94 +++++++++++++++++++++++++++------------------ 1 file changed, 56 insertions(+), 38 deletions(-) diff --git a/drivers/video/leo.c b/drivers/video/leo.c index 465459e5eae6..7c7e8c2da9d9 100644 --- a/drivers/video/leo.c +++ b/drivers/video/leo.c @@ -33,6 +33,7 @@ static int leo_blank(int, struct fb_info *); static int leo_mmap(struct fb_info *, struct vm_area_struct *); static int leo_ioctl(struct fb_info *, unsigned int, unsigned long); +static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *); /* * Frame buffer operations @@ -42,6 +43,7 @@ static struct fb_ops leo_ops = { .owner = THIS_MODULE, .fb_setcolreg = leo_setcolreg, .fb_blank = leo_blank, + .fb_pan_display = leo_pan_display, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, @@ -206,6 +208,60 @@ static void leo_wait(struct leo_lx_krn __iomem *lx_krn) return; } +static void leo_switch_from_graph(struct fb_info *info) +{ + struct leo_par *par = (struct leo_par *) info->par; + struct leo_ld_ss0 __iomem *ss = par->ld_ss0; + struct leo_cursor __iomem *cursor = par->cursor; + unsigned long flags; + u32 val; + + spin_lock_irqsave(&par->lock, flags); + + par->extent = ((info->var.xres - 1) | + ((info->var.yres - 1) << 16)); + + sbus_writel(0xffffffff, &ss->wid); + sbus_writel(0xffff, &ss->wmask); + sbus_writel(0, &ss->vclipmin); + sbus_writel(par->extent, &ss->vclipmax); + sbus_writel(0, &ss->fg); + sbus_writel(0xff000000, &ss->planemask); + sbus_writel(0x310850, &ss->rop); + sbus_writel(0, &ss->widclip); + sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), + &par->lc_ss0_usr->extent); + sbus_writel(4, &par->lc_ss0_usr->addrspace); + sbus_writel(0x80000000, &par->lc_ss0_usr->fill); + sbus_writel(0, &par->lc_ss0_usr->fontt); + do { + val = sbus_readl(&par->lc_ss0_usr->csr); + } while (val & 0x20000000); + + /* setup screen buffer for cfb_* functions */ + sbus_writel(1, &ss->wid); + sbus_writel(0x00ffffff, &ss->planemask); + sbus_writel(0x310b90, &ss->rop); + sbus_writel(0, &par->lc_ss0_usr->addrspace); + + /* hide cursor */ + sbus_writel(sbus_readl(&cursor->cur_misc) & ~LEO_CUR_ENABLE, &cursor->cur_misc); + + spin_unlock_irqrestore(&par->lock, flags); +} + +static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) +{ + /* We just use this to catch switches out of + * graphics mode. + */ + leo_switch_from_graph(info); + + if (var->xoffset || var->yoffset || var->vmode) + return -EINVAL; + return 0; +} + /** * leo_setcolreg - Optional function. Sets a color register. * @regno: boolean, 0 copy local, 1 get_user() function @@ -454,44 +510,6 @@ static void leo_init_wids(struct fb_info *info) leo_wid_put(info, &wl); } -static void leo_switch_from_graph(struct fb_info *info) -{ - struct leo_par *par = (struct leo_par *) info->par; - struct leo_ld_ss0 __iomem *ss = par->ld_ss0; - unsigned long flags; - u32 val; - - spin_lock_irqsave(&par->lock, flags); - - par->extent = ((info->var.xres - 1) | - ((info->var.yres - 1) << 16)); - - sbus_writel(0xffffffff, &ss->wid); - sbus_writel(0xffff, &ss->wmask); - sbus_writel(0, &ss->vclipmin); - sbus_writel(par->extent, &ss->vclipmax); - sbus_writel(0, &ss->fg); - sbus_writel(0xff000000, &ss->planemask); - sbus_writel(0x310850, &ss->rop); - sbus_writel(0, &ss->widclip); - sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11), - &par->lc_ss0_usr->extent); - sbus_writel(4, &par->lc_ss0_usr->addrspace); - sbus_writel(0x80000000, &par->lc_ss0_usr->fill); - sbus_writel(0, &par->lc_ss0_usr->fontt); - do { - val = sbus_readl(&par->lc_ss0_usr->csr); - } while (val & 0x20000000); - - /* setup screen buffer for cfb_* functions */ - sbus_writel(1, &ss->wid); - sbus_writel(0x00ffffff, &ss->planemask); - sbus_writel(0x310b90, &ss->rop); - sbus_writel(0, &par->lc_ss0_usr->addrspace); - - spin_unlock_irqrestore(&par->lock, flags); -} - static void leo_init_hw(struct fb_info *info) { struct leo_par *par = (struct leo_par *) info->par; -- GitLab From 5675add36e76b9487e7f9e689f854cb8d6afd9b4 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:41 -0400 Subject: [PATCH 3499/6244] RPC/RDMA: harden connection logic against missing/late rdma_cm upcalls. Add defensive timeouts to wait_for_completion() calls in RDMA address resolution, and make them interruptible. Fix the timeout units to milliseconds (formerly jiffies) and move to private header. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- include/linux/sunrpc/xprtrdma.h | 3 --- net/sunrpc/xprtrdma/verbs.c | 11 +++++++---- net/sunrpc/xprtrdma/xprt_rdma.h | 3 +++ 3 files changed, 10 insertions(+), 7 deletions(-) diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index 55a5d92ca1e2..54a379c9e8eb 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -66,9 +66,6 @@ #define RPCRDMA_INLINE_PAD_THRESH (512)/* payload threshold to pad (bytes) */ -#define RDMA_RESOLVE_TIMEOUT (5*HZ) /* TBD 5 seconds */ -#define RDMA_CONNECT_RETRY_MAX (2) /* retries if no listener backlog */ - /* memory registration strategies */ #define RPCRDMA_PERSISTENT_REGISTRATION (1) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index a63d0c0ec017..f46fb93f421b 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -284,6 +284,7 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event) switch (event->event) { case RDMA_CM_EVENT_ADDR_RESOLVED: case RDMA_CM_EVENT_ROUTE_RESOLVED: + ia->ri_async_rc = 0; complete(&ia->ri_done); break; case RDMA_CM_EVENT_ADDR_ERROR: @@ -363,26 +364,28 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt, return id; } - ia->ri_async_rc = 0; + ia->ri_async_rc = -ETIMEDOUT; rc = rdma_resolve_addr(id, NULL, addr, RDMA_RESOLVE_TIMEOUT); if (rc) { dprintk("RPC: %s: rdma_resolve_addr() failed %i\n", __func__, rc); goto out; } - wait_for_completion(&ia->ri_done); + wait_for_completion_interruptible_timeout(&ia->ri_done, + msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT) + 1); rc = ia->ri_async_rc; if (rc) goto out; - ia->ri_async_rc = 0; + ia->ri_async_rc = -ETIMEDOUT; rc = rdma_resolve_route(id, RDMA_RESOLVE_TIMEOUT); if (rc) { dprintk("RPC: %s: rdma_resolve_route() failed %i\n", __func__, rc); goto out; } - wait_for_completion(&ia->ri_done); + wait_for_completion_interruptible_timeout(&ia->ri_done, + msecs_to_jiffies(RDMA_RESOLVE_TIMEOUT) + 1); rc = ia->ri_async_rc; if (rc) goto out; diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index fde6499a53b2..c7a7eba991bc 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -51,6 +51,9 @@ #include /* RPC/RDMA protocol */ #include /* xprt parameters */ +#define RDMA_RESOLVE_TIMEOUT (5000) /* 5 seconds */ +#define RDMA_CONNECT_RETRY_MAX (2) /* retries if no listener backlog */ + /* * Interface Adapter -- one per transport instance */ -- GitLab From 5f37d561e0f0cd98017c389cbc22080290f11c3c Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:01:52 -0400 Subject: [PATCH 3500/6244] RPC/RDMA: reformat a debug printk to keep lines together. The send marshaling code split a particular dprintk across two lines, which makes it hard to extract from logfiles. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/rpc_rdma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index 94ecf1b65ff6..15101f294e00 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -512,8 +512,8 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) if (hdrlen == 0) return -1; - dprintk("RPC: %s: %s: hdrlen %zd rpclen %zd padlen %zd\n" - " headerp 0x%p base 0x%p lkey 0x%x\n", + dprintk("RPC: %s: %s: hdrlen %zd rpclen %zd padlen %zd" + " headerp 0x%p base 0x%p lkey 0x%x\n", __func__, transfertypes[wtype], hdrlen, rpclen, padlen, headerp, base, req->rl_iov.lkey); -- GitLab From b3cd8d45a764e6edb06e7bd386faf99a879569b8 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Thu, 9 Oct 2008 15:02:02 -0400 Subject: [PATCH 3501/6244] RPC/RDMA: optionally emit useful transport info upon connect/disconnect. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/transport.c | 2 +- net/sunrpc/xprtrdma/verbs.c | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index c7d2380bb5e3..c2da680273c5 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -784,7 +784,7 @@ static void __exit xprt_rdma_cleanup(void) { int rc; - dprintk("RPCRDMA Module Removed, deregister RPC RDMA transport\n"); + dprintk(KERN_INFO "RPCRDMA Module Removed, deregister RPC RDMA transport\n"); #ifdef RPC_DEBUG if (sunrpc_table_header) { unregister_sysctl_table(sunrpc_table_header); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index f46fb93f421b..170e69cba6c4 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -344,6 +344,27 @@ connected: break; } +#ifdef RPC_DEBUG + if (connstate == 1) { + int ird = attr.max_dest_rd_atomic; + int tird = ep->rep_remote_cma.responder_resources; + printk(KERN_INFO "rpcrdma: connection to %u.%u.%u.%u:%u " + "on %s, memreg %d slots %d ird %d%s\n", + NIPQUAD(addr->sin_addr.s_addr), + ntohs(addr->sin_port), + ia->ri_id->device->name, + ia->ri_memreg_strategy, + xprt->rx_buf.rb_max_requests, + ird, ird < 4 && ird < tird / 2 ? " (low!)" : ""); + } else if (connstate < 0) { + printk(KERN_INFO "rpcrdma: connection to %u.%u.%u.%u:%u " + "closed (%d)\n", + NIPQUAD(addr->sin_addr.s_addr), + ntohs(addr->sin_port), + connstate); + } +#endif + return 0; } -- GitLab From 08ca0dce1eafa419059ac4cad9ed522af7052526 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Fri, 10 Oct 2008 11:32:34 -0400 Subject: [PATCH 3502/6244] RPC/RDMA: correct the reconnect timer backoff The RPC/RDMA code had a constant 5-second reconnect backoff, and always performed it, even when re-establishing a connection to a server after the RPC layer closed it due to being idle. Make it an geometric backoff (up to 30 seconds), and don't delay idle reconnect. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/transport.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c index c2da680273c5..9839c3d94145 100644 --- a/net/sunrpc/xprtrdma/transport.c +++ b/net/sunrpc/xprtrdma/transport.c @@ -463,6 +463,8 @@ xprt_rdma_close(struct rpc_xprt *xprt) struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt); dprintk("RPC: %s: closing\n", __func__); + if (r_xprt->rx_ep.rep_connected > 0) + xprt->reestablish_timeout = 0; xprt_disconnect_done(xprt); (void) rpcrdma_ep_disconnect(&r_xprt->rx_ep, &r_xprt->rx_ia); } @@ -490,6 +492,11 @@ xprt_rdma_connect(struct rpc_task *task) /* Reconnect */ schedule_delayed_work(&r_xprt->rdma_connect, xprt->reestablish_timeout); + xprt->reestablish_timeout <<= 1; + if (xprt->reestablish_timeout > (30 * HZ)) + xprt->reestablish_timeout = (30 * HZ); + else if (xprt->reestablish_timeout < (5 * HZ)) + xprt->reestablish_timeout = (5 * HZ); } else { schedule_delayed_work(&r_xprt->rdma_connect, 0); if (!RPC_IS_ASYNC(task)) -- GitLab From c055551e97e1ca00781bc41523f829e05a8afed7 Mon Sep 17 00:00:00 2001 From: Tom Talpey Date: Fri, 10 Oct 2008 11:32:45 -0400 Subject: [PATCH 3503/6244] RPC/RDMA: ensure connection attempt is complete before signalling. The RPC/RDMA connection logic could return early from reconnection attempts, leading to additional spurious retries. Signed-off-by: Tom Talpey Signed-off-by: Trond Myklebust --- net/sunrpc/xprtrdma/verbs.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 170e69cba6c4..a5fef5e6c323 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -804,9 +804,8 @@ rpcrdma_ep_connect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia) struct rdma_cm_id *id; int rc = 0; int retry_count = 0; - int reconnect = (ep->rep_connected != 0); - if (reconnect) { + if (ep->rep_connected != 0) { struct rpcrdma_xprt *xprt; retry: rc = rpcrdma_ep_disconnect(ep, ia); @@ -871,9 +870,6 @@ if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) { goto out; } - if (reconnect) - return 0; - wait_event_interruptible(ep->rep_connect_wait, ep->rep_connected != 0); /* -- GitLab From 1cf69cfbe117d645640a9230d6deb07c9db46c5f Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Fri, 10 Oct 2008 12:25:45 -0700 Subject: [PATCH 3504/6244] ath9k: remove nasty FAIL macro from ath9k_hw_reset() This is fucking horribe crap code so nuke it. There I cursed too in a commit log. Signed-off-by: Luis R. Rodriguez Signed-off-by: David S. Miller --- drivers/net/wireless/ath9k/hw.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 62e44a0ef996..372ae61c7b17 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -5867,7 +5867,6 @@ bool ath9k_hw_reset(struct ath_hal *ah, bool bChannelChange, int *status) { -#define FAIL(_code) do { ecode = _code; goto bad; } while (0) u32 saveLedState; struct ath_hal_5416 *ahp = AH5416(ah); struct ath9k_channel *curchan = ah->ah_curchan; @@ -5889,7 +5888,8 @@ bool ath9k_hw_reset(struct ath_hal *ah, DPRINTF(ah->ah_sc, ATH_DBG_CHANNEL, "%s: invalid channel %u/0x%x; no mapping\n", __func__, chan->channel, chan->channelFlags); - FAIL(-EINVAL); + ecode = -EINVAL; + goto bad; } if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) @@ -5930,7 +5930,8 @@ bool ath9k_hw_reset(struct ath_hal *ah, if (!ath9k_hw_chip_reset(ah, chan)) { DPRINTF(ah->ah_sc, ATH_DBG_RESET, "%s: chip reset failed\n", __func__); - FAIL(-EIO); + ecode = -EINVAL; + goto bad; } if (AR_SREV_9280(ah)) { @@ -5947,8 +5948,10 @@ bool ath9k_hw_reset(struct ath_hal *ah, } ecode = ath9k_hw_process_ini(ah, chan, macmode); - if (ecode != 0) + if (ecode != 0) { + ecode = -EINVAL; goto bad; + } if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan)) ath9k_hw_set_delta_slope(ah, chan); @@ -5961,7 +5964,8 @@ bool ath9k_hw_reset(struct ath_hal *ah, if (!ath9k_hw_eeprom_set_board_values(ah, chan)) { DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "%s: error setting board options\n", __func__); - FAIL(-EIO); + ecode = -EIO; + goto bad; } ath9k_hw_decrease_chain_power(ah, chan); @@ -5989,11 +5993,15 @@ bool ath9k_hw_reset(struct ath_hal *ah, REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); if (AR_SREV_9280_10_OR_LATER(ah)) { - if (!(ath9k_hw_ar9280_set_channel(ah, chan))) - FAIL(-EIO); + if (!(ath9k_hw_ar9280_set_channel(ah, chan))) { + ecode = -EIO; + goto bad; + } } else { - if (!(ath9k_hw_set_channel(ah, chan))) - FAIL(-EIO); + if (!(ath9k_hw_set_channel(ah, chan))) { + ecode = -EIO; + goto bad; + } } for (i = 0; i < AR_NUM_DCU; i++) @@ -6027,8 +6035,10 @@ bool ath9k_hw_reset(struct ath_hal *ah, ath9k_hw_init_bb(ah, chan); - if (!ath9k_hw_init_cal(ah, chan)) - FAIL(-ENODEV); + if (!ath9k_hw_init_cal(ah, chan)){ + ecode = -EIO;; + goto bad; + } rx_chainmask = ahp->ah_rxchainmask; if ((rx_chainmask == 0x5) || (rx_chainmask == 0x3)) { @@ -6064,7 +6074,6 @@ bad: if (status) *status = ecode; return false; -#undef FAIL } bool ath9k_hw_phy_disable(struct ath_hal *ah) -- GitLab From d2a3b222cf976bc44bb9aed13f7b17feea28f633 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Fri, 10 Oct 2008 12:26:24 -0700 Subject: [PATCH 3505/6244] ath9k: Fix return code when ath9k_hw_setpower() fails on reset We were not reporting a status code back ath9k_hw_setpower() failed during reset so lets correct this. Reported-by: Jiri Slaby Signed-off-by: Luis R. Rodriguez Signed-off-by: David S. Miller --- drivers/net/wireless/ath9k/hw.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 372ae61c7b17..98bc25c9b3cf 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -5892,8 +5892,10 @@ bool ath9k_hw_reset(struct ath_hal *ah, goto bad; } - if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) - return false; + if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) { + ecode = -EIO; + goto bad; + } if (curchan) ath9k_hw_getnf(ah, curchan); -- GitLab From 4bcb3a37180ee4dffaef8298f373b334a7bedabb Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Fri, 10 Oct 2008 21:33:04 +0200 Subject: [PATCH 3506/6244] [S390] qdio: speed up multicast traffic on full HiperSocket queue If an asynchronous HiperSockets queue runs full, no further packet can be sent. In this case the next initiative to give transmitted skbs back to the stack is triggered only by a 10-seconds qdio timer. This timer has been introduced for low multicast traffic scenarios to guarantee freeing of skbs in a limited amount of time. For high HiperSocket multicast traffic scenarios progress checking on the outbound queue should be enforced by tasklet rescheduling. Signed-off-by: Ursula Braun Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio.h | 8 ++++++++ drivers/s390/cio/qdio_main.c | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index c1a70985abfa..af867731a5f4 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -16,6 +16,14 @@ #define QDIO_BUSY_BIT_GIVE_UP 2000000 /* 2 seconds = eternity */ #define QDIO_INPUT_THRESHOLD 500 /* 500 microseconds */ +/* + * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait + * till next initiative to give transmitted skbs back to the stack is too long. + * Therefore polling is started in case of multicast queue is filled more + * than 50 percent. + */ +#define QDIO_IQDIO_POLL_LVL 65 /* HS multicast queue */ + enum qdio_irq_states { QDIO_IRQ_STATE_INACTIVE, QDIO_IRQ_STATE_ESTABLISHED, diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index e6eabc853422..9307512132fe 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -851,6 +851,12 @@ static void __qdio_outbound_processing(struct qdio_q *q) if (queue_type(q) == QDIO_IQDIO_QFMT && !multicast_outbound(q)) return; + if ((queue_type(q) == QDIO_IQDIO_QFMT) && + (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL) { + tasklet_schedule(&q->tasklet); + return; + } + if (q->u.out.pci_out_enabled) return; -- GitLab From 46fbe4e46ddb88805245a24f684400b50ead68a7 Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Fri, 10 Oct 2008 21:33:05 +0200 Subject: [PATCH 3507/6244] [S390] cio: move device unregistration to dedicated work queue Use dedicated slow path work queue when unregistering a device due to a user action. This ensures serialialization of other register/ unregister requests. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/device.c | 56 +++++++++++++++++---------------------- 1 file changed, 25 insertions(+), 31 deletions(-) diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 28221030b886..38a79ecfc743 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -296,36 +296,33 @@ static void ccw_device_unregister(struct ccw_device *cdev) device_del(&cdev->dev); } -static void ccw_device_remove_orphan_cb(struct device *dev) +static void ccw_device_remove_orphan_cb(struct work_struct *work) { - struct ccw_device *cdev = to_ccwdev(dev); + struct ccw_device_private *priv; + struct ccw_device *cdev; + priv = container_of(work, struct ccw_device_private, kick_work); + cdev = priv->cdev; ccw_device_unregister(cdev); put_device(&cdev->dev); + /* Release cdev reference for workqueue processing. */ + put_device(&cdev->dev); } -static void ccw_device_remove_sch_cb(struct device *dev) -{ - struct subchannel *sch; - - sch = to_subchannel(dev); - css_sch_device_unregister(sch); - /* Reset intparm to zeroes. */ - sch->schib.pmcw.intparm = 0; - cio_modify(sch); - put_device(&sch->dev); -} +static void ccw_device_call_sch_unregister(struct work_struct *work); static void ccw_device_remove_disconnected(struct ccw_device *cdev) { unsigned long flags; - int rc; /* * Forced offline in disconnected state means * 'throw away device'. */ + /* Get cdev reference for workqueue processing. */ + if (!get_device(&cdev->dev)) + return; if (ccw_device_is_orphan(cdev)) { /* * Deregister ccw device. @@ -335,23 +332,13 @@ ccw_device_remove_disconnected(struct ccw_device *cdev) spin_lock_irqsave(cdev->ccwlock, flags); cdev->private->state = DEV_STATE_NOT_OPER; spin_unlock_irqrestore(cdev->ccwlock, flags); - rc = device_schedule_callback(&cdev->dev, - ccw_device_remove_orphan_cb); - if (rc) - CIO_MSG_EVENT(0, "Couldn't unregister orphan " - "0.%x.%04x\n", - cdev->private->dev_id.ssid, - cdev->private->dev_id.devno); - return; - } - /* Deregister subchannel, which will kill the ccw device. */ - rc = device_schedule_callback(cdev->dev.parent, - ccw_device_remove_sch_cb); - if (rc) - CIO_MSG_EVENT(0, "Couldn't unregister disconnected device " - "0.%x.%04x\n", - cdev->private->dev_id.ssid, - cdev->private->dev_id.devno); + PREPARE_WORK(&cdev->private->kick_work, + ccw_device_remove_orphan_cb); + } else + /* Deregister subchannel, which will kill the ccw device. */ + PREPARE_WORK(&cdev->private->kick_work, + ccw_device_call_sch_unregister); + queue_work(slow_path_wq, &cdev->private->kick_work); } /** @@ -970,12 +957,17 @@ static void ccw_device_call_sch_unregister(struct work_struct *work) priv = container_of(work, struct ccw_device_private, kick_work); cdev = priv->cdev; + /* Get subchannel reference for local processing. */ + if (!get_device(cdev->dev.parent)) + return; sch = to_subchannel(cdev->dev.parent); css_sch_device_unregister(sch); /* Reset intparm to zeroes. */ sch->schib.pmcw.intparm = 0; cio_modify(sch); + /* Release cdev reference for workqueue processing.*/ put_device(&cdev->dev); + /* Release subchannel reference for local processing. */ put_device(&sch->dev); } @@ -1001,6 +993,8 @@ io_subchannel_recog_done(struct ccw_device *cdev) PREPARE_WORK(&cdev->private->kick_work, ccw_device_call_sch_unregister); queue_work(slow_path_wq, &cdev->private->kick_work); + /* Release subchannel reference for asynchronous recognition. */ + put_device(&sch->dev); if (atomic_dec_and_test(&ccw_device_init_count)) wake_up(&ccw_device_init_wq); break; -- GitLab From ecf5d9ef68b868b293b40b89615a92de7310d065 Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Fri, 10 Oct 2008 21:33:06 +0200 Subject: [PATCH 3508/6244] [S390] cio: introduce purge function for /proc/cio_ignore Allow users to remove blacklisted ccw devices by using the /proc/cio_ignore interface: echo purge > /proc/cio_ignore will remove all devices which are offline and blacklisted. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/blacklist.c | 11 ++++++---- drivers/s390/cio/device.c | 40 ++++++++++++++++++++++++++++++++++++ drivers/s390/cio/device.h | 1 + 3 files changed, 48 insertions(+), 4 deletions(-) diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 0bfcbbe375c4..2f547b840ef0 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -24,6 +24,7 @@ #include "cio.h" #include "cio_debug.h" #include "css.h" +#include "device.h" /* * "Blacklisting" of certain devices: @@ -191,9 +192,9 @@ static int blacklist_parse_parameters(char *str, range_action action, rc = blacklist_range(ra, from_ssid, to_ssid, from, to, msgtrigger); if (rc) - totalrc = 1; + totalrc = -EINVAL; } else - totalrc = 1; + totalrc = -EINVAL; } return totalrc; @@ -240,8 +241,10 @@ static int blacklist_parse_proc_parameters(char *buf) rc = blacklist_parse_parameters(buf, free, 0); else if (strcmp("add", parm) == 0) rc = blacklist_parse_parameters(buf, add, 0); + else if (strcmp("purge", parm) == 0) + return ccw_purge_blacklisted(); else - return 1; + return -EINVAL; css_schedule_reprobe(); @@ -353,7 +356,7 @@ cio_ignore_write(struct file *file, const char __user *user_buf, } ret = blacklist_parse_proc_parameters(buf); if (ret) - rc = -EINVAL; + rc = ret; else rc = user_len; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 38a79ecfc743..8575d263b13e 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -31,6 +31,7 @@ #include "device.h" #include "ioasm.h" #include "io_sch.h" +#include "blacklist.h" static struct timer_list recovery_timer; static DEFINE_SPINLOCK(recovery_lock); @@ -1470,6 +1471,45 @@ static void ccw_device_schedule_recovery(void) spin_unlock_irqrestore(&recovery_lock, flags); } +static int purge_fn(struct device *dev, void *data) +{ + struct ccw_device *cdev = to_ccwdev(dev); + struct ccw_device_private *priv = cdev->private; + int unreg; + + spin_lock_irq(cdev->ccwlock); + unreg = is_blacklisted(priv->dev_id.ssid, priv->dev_id.devno) && + (priv->state == DEV_STATE_OFFLINE); + spin_unlock_irq(cdev->ccwlock); + if (!unreg) + goto out; + if (!get_device(&cdev->dev)) + goto out; + CIO_MSG_EVENT(3, "ccw: purging 0.%x.%04x\n", priv->dev_id.ssid, + priv->dev_id.devno); + PREPARE_WORK(&cdev->private->kick_work, ccw_device_call_sch_unregister); + queue_work(slow_path_wq, &cdev->private->kick_work); + +out: + /* Abort loop in case of pending signal. */ + if (signal_pending(current)) + return -EINTR; + + return 0; +} + +/** + * ccw_purge_blacklisted - purge unused, blacklisted devices + * + * Unregister all ccw devices that are offline and on the blacklist. + */ +int ccw_purge_blacklisted(void) +{ + CIO_MSG_EVENT(2, "ccw: purging blacklisted devices\n"); + bus_for_each_dev(&ccw_bus_type, NULL, NULL, purge_fn); + return 0; +} + static void device_set_disconnected(struct ccw_device *cdev) { if (!cdev) diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 6f5c3f2b3587..104ed669db43 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -86,6 +86,7 @@ int ccw_device_is_orphan(struct ccw_device *); int ccw_device_recognition(struct ccw_device *); int ccw_device_online(struct ccw_device *); int ccw_device_offline(struct ccw_device *); +int ccw_purge_blacklisted(void); /* Function prototypes for device status and basic sense stuff. */ void ccw_device_accumulate_irb(struct ccw_device *, struct irb *); -- GitLab From d45387d8bce2674fd21369a394933a02b8125878 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:07 +0200 Subject: [PATCH 3509/6244] [S390] cio: Update cio_ignore documentation. Add documentation for the new "purge" cio_ignore parameter. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- Documentation/s390/CommonIO | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index bf0baa19ec24..428e5c859b69 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -70,13 +70,19 @@ Command line parameters Note: While already known devices can be added to the list of devices to be ignored, there will be no effect on then. However, if such a device - disappears and then reappears, it will then be ignored. + disappears and then reappears, it will then be ignored. To make + known devices go away, you need the "purge" command (see below). For example, "echo add 0.0.a000-0.0.accc, 0.0.af00-0.0.afff > /proc/cio_ignore" will add 0.0.a000-0.0.accc and 0.0.af00-0.0.afff to the list of ignored devices. + You can remove already known but now ignored devices via + "echo purge > /proc/cio_ignore" + All devices ignored but still registered and not online (= not in use) + will be deregistered and thus removed from the system. + The devices can be specified either by bus id (0.x.abcd) or, for 2.4 backward compatibility, by the device number in hexadecimal (0xabcd or abcd). Device numbers given as 0xabcd will be interpreted as 0.0.abcd. -- GitLab From e4a1afaeb1d9ebc09f46d8b229ac96116974b1b8 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:08 +0200 Subject: [PATCH 3510/6244] [S390] cio: Exorcise cio_msg= from documentation. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- Documentation/s390/CommonIO | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/s390/CommonIO b/Documentation/s390/CommonIO index 428e5c859b69..339207d11d95 100644 --- a/Documentation/s390/CommonIO +++ b/Documentation/s390/CommonIO @@ -104,8 +104,7 @@ debugfs entries handling). - /sys/kernel/debug/s390dbf/cio_msg/sprintf - Various debug messages from the common I/O-layer, including messages - printed when cio_msg=yes. + Various debug messages from the common I/O-layer. - /sys/kernel/debug/s390dbf/cio_trace/hex_ascii Logs the calling of functions in the common I/O-layer and, if applicable, -- GitLab From 2a0217d5c7d22d6dd28f8ae5d20b06d24dc426b8 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Fri, 10 Oct 2008 21:33:09 +0200 Subject: [PATCH 3511/6244] [S390] bus_id -> dev_name conversions bus_id -> dev_name() conversions in s390 code. [cornelia.huck@de.ibm.com: minor adaptions] Signed-off-by: Kay Sievers Cc: Cornelia Huck Signed-off-by: Greg Kroah-Hartman Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd.c | 32 +++---- drivers/s390/block/dasd_3990_erp.c | 2 +- drivers/s390/block/dasd_devmap.c | 28 +++--- drivers/s390/block/dasd_eckd.c | 6 +- drivers/s390/block/dasd_eer.c | 6 +- drivers/s390/block/dasd_fba.c | 4 +- drivers/s390/block/dasd_int.h | 4 +- drivers/s390/block/dasd_proc.c | 2 +- drivers/s390/block/dcssblk.c | 5 +- drivers/s390/char/tape_3590.c | 132 +++++++++++++++-------------- drivers/s390/char/tape_block.c | 2 +- drivers/s390/char/tape_core.c | 21 ++--- drivers/s390/char/tape_proc.c | 2 +- drivers/s390/char/tape_std.c | 13 +-- drivers/s390/char/vmlogrdr.c | 2 +- drivers/s390/char/vmur.c | 6 +- drivers/s390/cio/ccwgroup.c | 2 +- drivers/s390/cio/cio.c | 16 ++-- drivers/s390/cio/device.c | 4 +- drivers/s390/cio/device_fsm.c | 6 +- drivers/s390/cio/device_ops.c | 2 +- drivers/s390/net/claw.c | 23 ++--- drivers/s390/net/claw.h | 2 +- drivers/s390/net/ctcm_main.c | 18 ++-- drivers/s390/net/ctcm_main.h | 2 +- drivers/s390/net/lcs.c | 34 ++++---- drivers/s390/net/qeth_core.h | 10 +-- drivers/s390/net/qeth_core_main.c | 10 +-- drivers/s390/scsi/zfcp_def.h | 2 +- 29 files changed, 207 insertions(+), 191 deletions(-) diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index acb78017e7d0..0a225ccda026 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -215,7 +215,7 @@ static int dasd_state_known_to_basic(struct dasd_device *device) return rc; } /* register 'device' debug area, used for all DBF_DEV_XXX calls */ - device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 1, + device->debug_area = debug_register(dev_name(&device->cdev->dev), 1, 1, 8 * sizeof(long)); debug_register_view(device->debug_area, &debug_sprintf_view); debug_set_level(device->debug_area, DBF_WARNING); @@ -933,7 +933,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev, MESSAGE(KERN_DEBUG, "invalid status in handle_killed_request: " "bus_id %s, status %02x", - cdev->dev.bus_id, cqr->status); + dev_name(&cdev->dev), cqr->status); return; } @@ -942,7 +942,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev, device != dasd_device_from_cdev_locked(cdev) || strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) { MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; } @@ -982,11 +982,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, break; case -ETIMEDOUT: printk(KERN_WARNING"%s(%s): request timed out\n", - __func__, cdev->dev.bus_id); + __func__, dev_name(&cdev->dev)); break; default: printk(KERN_WARNING"%s(%s): unknown error %ld\n", - __func__, cdev->dev.bus_id, PTR_ERR(irb)); + __func__, dev_name(&cdev->dev), PTR_ERR(irb)); } dasd_handle_killed_request(cdev, intparm); return; @@ -995,7 +995,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, now = get_clock(); DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x", - cdev->dev.bus_id, ((irb->scsw.cmd.cstat << 8) | + dev_name(&cdev->dev), ((irb->scsw.cmd.cstat << 8) | irb->scsw.cmd.dstat), (unsigned int) intparm); /* check for unsolicited interrupts */ @@ -1019,7 +1019,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (!device || strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) { MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; } @@ -1037,7 +1037,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (cqr->status != DASD_CQR_IN_IO) { MESSAGE(KERN_DEBUG, "invalid status: bus_id %s, status %02x", - cdev->dev.bus_id, cqr->status); + dev_name(&cdev->dev), cqr->status); return; } DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p", @@ -2134,14 +2134,14 @@ int dasd_generic_probe(struct ccw_device *cdev, if (ret) { printk(KERN_WARNING "dasd_generic_probe: could not set ccw-device options " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } ret = dasd_add_sysfs_files(cdev); if (ret) { printk(KERN_WARNING "dasd_generic_probe: could not add sysfs entries " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } cdev->handler = &dasd_int_handler; @@ -2152,13 +2152,13 @@ int dasd_generic_probe(struct ccw_device *cdev, * initial probe. */ if ((dasd_get_feature(cdev, DASD_FEATURE_INITIAL_ONLINE) > 0 ) || - (dasd_autodetect && dasd_busid_known(cdev->dev.bus_id) != 0)) + (dasd_autodetect && dasd_busid_known(dev_name(&cdev->dev)) != 0)) ret = ccw_device_set_online(cdev); if (ret) printk(KERN_WARNING "dasd_generic_probe: could not initially " "online ccw-device %s; return code: %d\n", - cdev->dev.bus_id, ret); + dev_name(&cdev->dev), ret); return 0; } @@ -2224,7 +2224,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, printk (KERN_WARNING "dasd_generic couldn't online device %s " "- discipline DIAG not available\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); dasd_delete_device(device); return -ENODEV; } @@ -2248,7 +2248,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, printk (KERN_WARNING "dasd_generic couldn't online device %s " "with discipline %s rc=%i\n", - cdev->dev.bus_id, discipline->name, rc); + dev_name(&cdev->dev), discipline->name, rc); module_put(discipline->owner); module_put(base_discipline->owner); dasd_delete_device(device); @@ -2259,7 +2259,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, if (device->state <= DASD_STATE_KNOWN) { printk (KERN_WARNING "dasd_generic discipline not found for %s\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); rc = -ENODEV; dasd_set_target_state(device, DASD_STATE_NEW); if (device->block) @@ -2267,7 +2267,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, dasd_delete_device(device); } else pr_debug("dasd_generic device %s found\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); /* FIXME: we have to wait for the root device but we don't want * to wait for each single device but for all at once. */ diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index 5c6e6f331cb0..b8f9c00633f3 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1397,7 +1397,7 @@ static struct dasd_ccw_req *dasd_3990_erp_inspect_alias( DEV_MESSAGE(KERN_ERR, cqr->startdev, "ERP on alias device for request %p," " recover on base device %s", cqr, - cqr->block->base->cdev->dev.bus_id); + dev_name(&cqr->block->base->cdev->dev)); } dasd_eckd_reset_ccw_to_base_io(cqr); erp->startdev = cqr->block->base; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index cd3335c1c307..921443b01d16 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -515,9 +515,9 @@ dasd_devmap_from_cdev(struct ccw_device *cdev) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) - devmap = dasd_add_busid(cdev->dev.bus_id, + devmap = dasd_add_busid(dev_name(&cdev->dev), DASD_FEATURE_DEFAULT); return devmap; } @@ -584,7 +584,7 @@ dasd_delete_device(struct dasd_device *device) unsigned long flags; /* First remove device pointer from devmap. */ - devmap = dasd_find_busid(device->cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&device->cdev->dev)); BUG_ON(IS_ERR(devmap)); spin_lock(&dasd_devmap_lock); if (devmap->device != device) { @@ -674,7 +674,7 @@ dasd_ro_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int ro_flag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) ro_flag = (devmap->features & DASD_FEATURE_READONLY) != 0; else @@ -723,7 +723,7 @@ dasd_erplog_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int erplog; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0; else @@ -770,7 +770,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int use_diag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0; else @@ -876,7 +876,7 @@ dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int alias; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) { spin_unlock(&dasd_devmap_lock); @@ -899,7 +899,7 @@ dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; char *vendor; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0) vendor = devmap->uid.vendor; @@ -924,7 +924,7 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf) char ua_string[3]; struct dasd_uid *uid; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) { spin_unlock(&dasd_devmap_lock); @@ -972,7 +972,7 @@ dasd_eer_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int eer_flag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap) && devmap->device) eer_flag = dasd_eer_enabled(devmap->device); else @@ -1034,7 +1034,7 @@ dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); spin_lock(&dasd_devmap_lock); @@ -1057,7 +1057,7 @@ dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); @@ -1077,7 +1077,7 @@ dasd_get_feature(struct ccw_device *cdev, int feature) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); @@ -1093,7 +1093,7 @@ dasd_set_feature(struct ccw_device *cdev, int feature, int flag) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 773b3fe275b2..72d3970f11a4 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -84,7 +84,7 @@ dasd_eckd_probe (struct ccw_device *cdev) if (ret) { printk(KERN_WARNING "dasd_eckd_probe: could not set ccw-device options " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } ret = dasd_generic_probe(cdev, &dasd_eckd_discipline); @@ -2145,13 +2145,13 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, /* dump the sense data */ len = sprintf(page, KERN_ERR PRINTK_HEADER " I/O status report for device %s:\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), (void *) (addr_t) irb->scsw.cmd.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index bf512ac75b9e..892e2878d61b 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -309,7 +309,8 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device, do_gettimeofday(&tv); header.tv_sec = tv.tv_sec; header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); + strncpy(header.busid, dev_name(&device->cdev->dev), + DASD_EER_BUSID_SIZE); spin_lock_irqsave(&bufferlock, flags); list_for_each_entry(eerb, &bufferlist, list) { @@ -349,7 +350,8 @@ static void dasd_eer_write_snss_trigger(struct dasd_device *device, do_gettimeofday(&tv); header.tv_sec = tv.tv_sec; header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); + strncpy(header.busid, dev_name(&device->cdev->dev), + DASD_EER_BUSID_SIZE); spin_lock_irqsave(&bufferlock, flags); list_for_each_entry(eerb, &bufferlist, list) { diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index aa0c533423a5..93d9b6452a94 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -451,13 +451,13 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, } len = sprintf(page, KERN_ERR PRINTK_HEADER " I/O status report for device %s:\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), (void *) (addr_t) irb->scsw.cmd.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 31ecaa4a40e4..489d5fe488fb 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -126,7 +126,7 @@ do { \ #define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\ do { \ printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - d_device->cdev->dev.bus_id, d_args); \ + dev_name(&d_device->cdev->dev), d_args); \ DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \ } while(0) @@ -140,7 +140,7 @@ do { \ #define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\ do { \ printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - d_device->cdev->dev.bus_id, d_args); \ + dev_name(&d_device->cdev->dev), d_args); \ } while(0) #define MESSAGE_LOG(d_loglevel,d_string,d_args...)\ diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index e3b5c4d3036e..9088de84b45d 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -67,7 +67,7 @@ dasd_devices_show(struct seq_file *m, void *v) return 0; } /* Print device number. */ - seq_printf(m, "%s", device->cdev->dev.bus_id); + seq_printf(m, "%s", dev_name(&device->cdev->dev)); /* Print discipline string. */ if (device != NULL && device->discipline != NULL) seq_printf(m, "(%s)", device->discipline->name); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 9481e4a3f76e..2aca79e952b0 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -91,7 +91,7 @@ static struct rw_semaphore dcssblk_devices_sem; static void dcssblk_release_segment(struct device *dev) { - PRINT_DEBUG("segment release fn called for %s\n", dev->bus_id); + PRINT_DEBUG("segment release fn called for %s\n", dev_name(dev)); kfree(container_of(dev, struct dcssblk_dev_info, dev)); module_put(THIS_MODULE); } @@ -602,7 +602,8 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) case SEG_TYPE_SC: /* cannot write to these segments */ if (bio_data_dir(bio) == WRITE) { - PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id); + PRINT_WARN("rejecting write to ro segment %s\n", + dev_name(&dev_info->dev)); goto fail; } } diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 839987618ffd..4005c44a404c 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -910,7 +910,7 @@ tape_3590_erp_swap(struct tape_device *device, struct tape_request *request, * should proceed with the new tape... this * should probably be done in user space! */ - PRINT_WARN("(%s): Swap Tape Device!\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Swap Tape Device!\n", dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EIO); } @@ -1003,40 +1003,43 @@ tape_3590_print_mim_msg_f0(struct tape_device *device, struct irb *irb) /* Exception Message */ switch (sense->fmt.f70.emc) { case 0x02: - PRINT_WARN("(%s): Data degraded\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Data degraded\n", + dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): Data degraded in partion %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.mp); + dev_name(&device->cdev->dev), sense->fmt.f70.mp); break; case 0x04: - PRINT_WARN("(%s): Medium degraded\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Medium degraded\n", + dev_name(&device->cdev->dev)); break; case 0x05: PRINT_WARN("(%s): Medium degraded in partition %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.mp); + dev_name(&device->cdev->dev), sense->fmt.f70.mp); break; case 0x06: - PRINT_WARN("(%s): Block 0 Error\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Block 0 Error\n", + dev_name(&device->cdev->dev)); break; case 0x07: PRINT_WARN("(%s): Medium Exception 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.md); + dev_name(&device->cdev->dev), sense->fmt.f70.md); break; default: PRINT_WARN("(%s): MIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.emc); + dev_name(&device->cdev->dev), sense->fmt.f70.emc); break; } /* Service Message */ switch (sense->fmt.f70.smc) { case 0x02: PRINT_WARN("(%s): Reference Media maintenance procedure %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.md); + dev_name(&device->cdev->dev), sense->fmt.f70.md); break; default: PRINT_WARN("(%s): MIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.smc); + dev_name(&device->cdev->dev), sense->fmt.f70.smc); break; } } @@ -1054,101 +1057,101 @@ tape_3590_print_io_sim_msg_f1(struct tape_device *device, struct irb *irb) switch (sense->fmt.f71.emc) { case 0x01: PRINT_WARN("(%s): Effect of failure is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): CU Exception - no performance impact\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): CU Exception on channel interface 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x04: PRINT_WARN("(%s): CU Exception on device path 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x05: PRINT_WARN("(%s): CU Exception on library path 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x06: PRINT_WARN("(%s): CU Exception on node 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x07: PRINT_WARN("(%s): CU Exception on partition 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; default: PRINT_WARN("(%s): SIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.emc); + dev_name(&device->cdev->dev), sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: PRINT_WARN("(%s): Repair impact is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): Repair will not impact cu performance\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable node " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable nodes " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable cannel path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable cannel paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable device path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable device paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x06: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable library path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable library paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: PRINT_WARN("(%s): Repair will disable access to CU\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): SIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.smc); + dev_name(&device->cdev->dev), sense->fmt.f71.smc); } } @@ -1165,104 +1168,104 @@ tape_3590_print_dev_sim_msg_f2(struct tape_device *device, struct irb *irb) switch (sense->fmt.f71.emc) { case 0x01: PRINT_WARN("(%s): Effect of failure is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): DV Exception - no performance impact\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): DV Exception on channel interface 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x04: PRINT_WARN("(%s): DV Exception on loader 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x05: PRINT_WARN("(%s): DV Exception on message display 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x06: PRINT_WARN("(%s): DV Exception in tape path\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x07: PRINT_WARN("(%s): DV Exception in drive\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): DSIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.emc); + dev_name(&device->cdev->dev), sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: PRINT_WARN("(%s): Repair impact is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): Repair will not impact device performance\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable channel path " "0x%x on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable channel path " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable interface 0x%x " "on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable interfaces " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable loader 0x%x " "on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable loader " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: PRINT_WARN("(%s): Repair will disable access to DV\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x08: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable message " "display 0x%x on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable message " "displays (0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x09: - PRINT_WARN("(%s): Clean DV\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Clean DV\n", dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): DSIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.smc); + dev_name(&device->cdev->dev), sense->fmt.f71.smc); } } @@ -1279,18 +1282,18 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) return; if ((sense->mc > 0) && (sense->mc < TAPE_3590_MAX_MSG)) { if (tape_3590_msg[sense->mc] != NULL) - PRINT_WARN("(%s): %s\n", device->cdev->dev.bus_id, + PRINT_WARN("(%s): %s\n", dev_name(&device->cdev->dev), tape_3590_msg[sense->mc]); else { PRINT_WARN("(%s): Message Code 0x%x\n", - device->cdev->dev.bus_id, sense->mc); + dev_name(&device->cdev->dev), sense->mc); } return; } if (sense->mc == 0xf0) { /* Standard Media Information Message */ PRINT_WARN("(%s): MIM SEV=%i, MC=%02x, ES=%x/%x, " - "RC=%02x-%04x-%02x\n", device->cdev->dev.bus_id, + "RC=%02x-%04x-%02x\n", dev_name(&device->cdev->dev), sense->fmt.f70.sev, sense->mc, sense->fmt.f70.emc, sense->fmt.f70.smc, sense->fmt.f70.refcode, sense->fmt.f70.mid, @@ -1302,7 +1305,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) /* Standard I/O Subsystem Service Information Message */ PRINT_WARN("(%s): IOSIM SEV=%i, DEVTYPE=3590/%02x, " "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - device->cdev->dev.bus_id, sense->fmt.f71.sev, + dev_name(&device->cdev->dev), sense->fmt.f71.sev, device->cdev->id.dev_model, sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, sense->fmt.f71.refcode1, @@ -1314,7 +1317,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) /* Standard Device Service Information Message */ PRINT_WARN("(%s): DEVSIM SEV=%i, DEVTYPE=3590/%02x, " "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - device->cdev->dev.bus_id, sense->fmt.f71.sev, + dev_name(&device->cdev->dev), sense->fmt.f71.sev, device->cdev->id.dev_model, sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, sense->fmt.f71.refcode1, @@ -1327,7 +1330,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) return; } PRINT_WARN("(%s): Device Message(%x)\n", - device->cdev->dev.bus_id, sense->mc); + dev_name(&device->cdev->dev), sense->mc); } static int tape_3590_crypt_error(struct tape_device *device, @@ -1336,10 +1339,11 @@ static int tape_3590_crypt_error(struct tape_device *device, u8 cu_rc, ekm_rc1; u16 ekm_rc2; u32 drv_rc; - char *bus_id, *sense; + const char *bus_id; + char *sense; sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data; - bus_id = device->cdev->dev.bus_id; + bus_id = dev_name(&device->cdev->dev); cu_rc = sense[0]; drv_rc = *((u32*) &sense[5]) & 0xffffff; ekm_rc1 = sense[9]; @@ -1440,7 +1444,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, * "device intervention" is not very meaningfull */ PRINT_WARN("(%s): Tape operation when medium not loaded\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); tape_med_state_set(device, MS_UNLOADED); tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); @@ -1487,18 +1491,18 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, case 0x6020: PRINT_WARN("(%s): Cartridge of wrong type ?\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EMEDIUMTYPE); case 0x8011: PRINT_WARN("(%s): Another host has reserved the tape device\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EPERM); case 0x8013: PRINT_WARN("(%s): Another host has privileged access to the " - "tape device\n", device->cdev->dev.bus_id); + "tape device\n", dev_name(&device->cdev->dev)); PRINT_WARN("(%s): To solve the problem unload the current " - "cartridge!\n", device->cdev->dev.bus_id); + "cartridge!\n", dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EPERM); default: return tape_3590_erp_basic(device, request, irb, -EIO); diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 95da72bc17e8..a25b8bf54f41 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -278,7 +278,7 @@ tapeblock_cleanup_device(struct tape_device *device) if (!device->blk_data.disk) { PRINT_ERR("(%s): No gendisk to clean up!\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); goto cleanup_queue; } diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index 181a5441af16..d7073dbf825c 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -215,12 +215,12 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate) case MS_UNLOADED: device->tape_generic_status |= GMT_DR_OPEN(~0); PRINT_INFO("(%s): Tape is unloaded\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case MS_LOADED: device->tape_generic_status &= ~GMT_DR_OPEN(~0); PRINT_INFO("(%s): Tape has been mounted\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: // print nothing @@ -415,7 +415,7 @@ tape_generic_offline(struct tape_device *device) device->cdev_id); PRINT_WARN("(%s): Set offline failed " "- drive in use.\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); spin_unlock_irq(get_ccwdev_lock(device->cdev)); return -EBUSY; } @@ -538,7 +538,8 @@ tape_generic_probe(struct ccw_device *cdev) ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group); if (ret) { tape_put_device(device); - PRINT_ERR("probe failed for tape device %s\n", cdev->dev.bus_id); + PRINT_ERR("probe failed for tape device %s\n", + dev_name(&cdev->dev)); return ret; } cdev->dev.driver_data = device; @@ -546,7 +547,7 @@ tape_generic_probe(struct ccw_device *cdev) device->cdev = cdev; ccw_device_get_id(cdev, &dev_id); device->cdev_id = devid_to_int(&dev_id); - PRINT_INFO("tape device %s found\n", cdev->dev.bus_id); + PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev)); return ret; } @@ -616,7 +617,7 @@ tape_generic_remove(struct ccw_device *cdev) device->cdev_id); PRINT_WARN("(%s): Drive in use vanished - " "expect trouble!\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); PRINT_WARN("State was %i\n", device->tape_state); tape_state_set(device, TS_NOT_OPER); __tape_discard_requests(device); @@ -840,7 +841,7 @@ tape_dump_sense(struct tape_device* device, struct tape_request *request, PRINT_INFO("-------------------------------------------------\n"); PRINT_INFO("DSTAT : %02x CSTAT: %02x CPA: %04x\n", irb->scsw.cmd.dstat, irb->scsw.cmd.cstat, irb->scsw.cmd.cpa); - PRINT_INFO("DEVICE: %s\n", device->cdev->dev.bus_id); + PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev)); if (request != NULL) PRINT_INFO("OP : %s\n", tape_op_verbose[request->op]); @@ -1051,7 +1052,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) device = (struct tape_device *) cdev->dev.driver_data; if (device == NULL) { PRINT_ERR("could not get device structure for %s " - "in interrupt\n", cdev->dev.bus_id); + "in interrupt\n", dev_name(&cdev->dev)); return; } request = (struct tape_request *) intparm; @@ -1064,13 +1065,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) switch (PTR_ERR(irb)) { case -ETIMEDOUT: PRINT_WARN("(%s): Request timed out\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); case -EIO: __tape_end_request(device, request, -EIO); break; default: PRINT_ERR("(%s): Unexpected i/o error %li\n", - cdev->dev.bus_id, + dev_name(&cdev->dev), PTR_ERR(irb)); } return; diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index e7c888c14e71..8a376af926a7 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -52,7 +52,7 @@ static int tape_proc_show(struct seq_file *m, void *v) return 0; spin_lock_irq(get_ccwdev_lock(device->cdev)); seq_printf(m, "%d\t", (int) n); - seq_printf(m, "%-10.10s ", device->cdev->dev.bus_id); + seq_printf(m, "%-10.10s ", dev_name(&device->cdev->dev)); seq_printf(m, "%04X/", device->cdev->id.cu_type); seq_printf(m, "%02X\t", device->cdev->id.cu_model); seq_printf(m, "%04X/", device->cdev->id.dev_type); diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index cc8fd781ee22..5bd573d144d6 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -47,7 +47,7 @@ tape_std_assign_timeout(unsigned long data) rc = tape_cancel_io(device, request); if(rc) PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n", - device->cdev->dev.bus_id, rc); + dev_name(&device->cdev->dev), rc); } @@ -83,7 +83,7 @@ tape_std_assign(struct tape_device *device) if (rc != 0) { PRINT_WARN("%s: assign failed - device might be busy\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); DBF_EVENT(3, "%08x: assign failed - device might be busy\n", device->cdev_id); } else { @@ -106,7 +106,7 @@ tape_std_unassign (struct tape_device *device) DBF_EVENT(3, "(%08x): Can't unassign device\n", device->cdev_id); PRINT_WARN("(%s): Can't unassign device - device gone\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return -EIO; } @@ -120,7 +120,8 @@ tape_std_unassign (struct tape_device *device) if ((rc = tape_do_io(device, request)) != 0) { DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id); - PRINT_WARN("%s: Unassign failed\n", device->cdev->dev.bus_id); + PRINT_WARN("%s: Unassign failed\n", + dev_name(&device->cdev->dev)); } else { DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id); } @@ -634,10 +635,10 @@ tape_std_mtcompression(struct tape_device *device, int mt_count) DBF_EXCEPTION(6, "xcom parm\n"); if (*device->modeset_byte & 0x08) PRINT_INFO("(%s) Compression is currently on\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); else PRINT_INFO("(%s) Compression is currently off\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); PRINT_INFO("Use 1 to switch compression on, 0 to " "switch it off\n"); return -EINVAL; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index c31faefa2b3b..036e650e8b9c 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -751,7 +751,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) priv->class_device = device_create_drvdata(vmlogrdr_class, dev, MKDEV(vmlogrdr_major, priv->minor_num), - priv, "%s", dev->bus_id); + priv, "%s", dev_name(dev)); if (IS_ERR(priv->class_device)) { ret = PTR_ERR(priv->class_device); priv->class_device=NULL; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index c1f352b84868..6fdfa5ddeca8 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -886,11 +886,11 @@ static int ur_set_online(struct ccw_device *cdev) goto fail_free_cdev; if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) { if (urd->class == DEV_CLASS_UR_I) - sprintf(node_id, "vmrdr-%s", cdev->dev.bus_id); + sprintf(node_id, "vmrdr-%s", dev_name(&cdev->dev)); if (urd->class == DEV_CLASS_UR_O) - sprintf(node_id, "vmpun-%s", cdev->dev.bus_id); + sprintf(node_id, "vmpun-%s", dev_name(&cdev->dev)); } else if (urd->cdev->id.cu_type == PRINTER_DEVTYPE) { - sprintf(node_id, "vmprt-%s", cdev->dev.bus_id); + sprintf(node_id, "vmprt-%s", dev_name(&cdev->dev)); } else { rc = -EOPNOTSUPP; goto fail_free_cdev; diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 9a50f245774b..e17b462ace03 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -270,7 +270,7 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id, } snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s", - gdev->cdev[0]->dev.bus_id); + dev_name(&gdev->cdev[0]->dev)); rc = device_add(&gdev->dev); if (rc) diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 326f4cc7f92c..8759912734e0 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -153,7 +153,7 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) CIO_MSG_EVENT(2, "cio_start: 'not oper' status for " "subchannel 0.%x.%04x!\n", sch->schid.ssid, sch->schid.sch_no); - sprintf(dbf_text, "no%s", sch->dev.bus_id); + sprintf(dbf_text, "no%s", dev_name(&sch->dev)); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib)); @@ -171,7 +171,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ union orb *orb; CIO_TRACE_EVENT(4, "stIO"); - CIO_TRACE_EVENT(4, sch->dev.bus_id); + CIO_TRACE_EVENT(4, dev_name(&sch->dev)); orb = &to_io_private(sch)->orb; memset(orb, 0, sizeof(union orb)); @@ -232,7 +232,7 @@ cio_resume (struct subchannel *sch) int ccode; CIO_TRACE_EVENT (4, "resIO"); - CIO_TRACE_EVENT (4, sch->dev.bus_id); + CIO_TRACE_EVENT(4, dev_name(&sch->dev)); ccode = rsch (sch->schid); @@ -269,7 +269,7 @@ cio_halt(struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "haltIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); /* * Issue "Halt subchannel" and process condition code @@ -304,7 +304,7 @@ cio_clear(struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "clearIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); /* * Issue "Clear subchannel" and process condition code @@ -340,7 +340,7 @@ cio_cancel (struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "cancelIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); ccode = xsch (sch->schid); @@ -404,7 +404,7 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) int ret; CIO_TRACE_EVENT (2, "ensch"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); if (sch_is_pseudo_sch(sch)) return -EINVAL; @@ -454,7 +454,7 @@ int cio_disable_subchannel(struct subchannel *sch) int ret; CIO_TRACE_EVENT (2, "dissch"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); if (sch_is_pseudo_sch(sch)) return 0; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 8575d263b13e..95b92dfec5a8 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1101,7 +1101,7 @@ static void io_subchannel_irq(struct subchannel *sch) cdev = sch_get_cdev(sch); CIO_TRACE_EVENT(3, "IRQ"); - CIO_TRACE_EVENT(3, sch->dev.bus_id); + CIO_TRACE_EVENT(3, dev_name(&sch->dev)); if (cdev) dev_fsm_event(cdev, DEV_EVENT_INTERRUPT); } @@ -1707,7 +1707,7 @@ __ccwdev_check_busid(struct device *dev, void *id) bus_id = id; - return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0); + return (strncmp(bus_id, dev_name(dev), BUS_ID_SIZE) == 0); } diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index 84cc9ea346db..10bc03940fb3 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -52,8 +52,10 @@ static void ccw_timeout_log(struct ccw_device *cdev) printk(KERN_WARNING "cio: orb:\n"); print_hex_dump(KERN_WARNING, "cio: ", DUMP_PREFIX_NONE, 16, 1, orb, sizeof(*orb), 0); - printk(KERN_WARNING "cio: ccw device bus id: %s\n", cdev->dev.bus_id); - printk(KERN_WARNING "cio: subchannel bus id: %s\n", sch->dev.bus_id); + printk(KERN_WARNING "cio: ccw device bus id: %s\n", + dev_name(&cdev->dev)); + printk(KERN_WARNING "cio: subchannel bus id: %s\n", + dev_name(&sch->dev)); printk(KERN_WARNING "cio: subchannel lpm: %02x, opm: %02x, " "vpm: %02x\n", sch->lpm, sch->opm, sch->vpm); diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index ee1a28310fbb..eabcc42d63df 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -498,7 +498,7 @@ ccw_device_stlck(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); CIO_TRACE_EVENT(2, "stl lock"); - CIO_TRACE_EVENT(2, cdev->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&cdev->dev)); buf = kmalloc(32*sizeof(char), GFP_DMA|GFP_KERNEL); if (!buf) diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index e10ac9ab2d44..26e95858a8f9 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -299,7 +299,7 @@ claw_probe(struct ccwgroup_device *cgdev) probe_error(cgdev); put_device(&cgdev->dev); printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n", - cgdev->cdev[0]->dev.bus_id,__func__,__LINE__); + dev_name(&cgdev->cdev[0]->dev), __func__, __LINE__); CLAW_DBF_TEXT_(2, setup, "probex%d", rc); return rc; } @@ -584,7 +584,7 @@ claw_irq_handler(struct ccw_device *cdev, if (!cdev->dev.driver_data) { printk(KERN_WARNING "claw: unsolicited interrupt for device:" "%s received c-%02x d-%02x\n", - cdev->dev.bus_id, irb->scsw.cmd.cstat, + dev_name(&cdev->dev), irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); CLAW_DBF_TEXT(2, trace, "badirq"); return; @@ -598,7 +598,7 @@ claw_irq_handler(struct ccw_device *cdev, p_ch = &privptr->channel[WRITE]; else { printk(KERN_WARNING "claw: Can't determine channel for " - "interrupt, device %s\n", cdev->dev.bus_id); + "interrupt, device %s\n", dev_name(&cdev->dev)); CLAW_DBF_TEXT(2, trace, "badchan"); return; } @@ -662,7 +662,7 @@ claw_irq_handler(struct ccw_device *cdev, printk(KERN_WARNING "claw: unsolicited " "interrupt for device:" "%s received c-%02x d-%02x\n", - cdev->dev.bus_id, + dev_name(&cdev->dev), irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); return; @@ -1136,19 +1136,20 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code) break; case -ENODEV: printk(KERN_EMERG "%s: Missing device called " - "for IO ENODEV\n", cdev->dev.bus_id); + "for IO ENODEV\n", dev_name(&cdev->dev)); break; case -EIO: printk(KERN_EMERG "%s: Status pending... EIO \n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); break; case -EINVAL: printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); break; default: printk(KERN_EMERG "%s: Unknown error in " - "Do_IO %d\n",cdev->dev.bus_id, return_code); + "Do_IO %d\n", dev_name(&cdev->dev), + return_code); } } CLAW_DBF_TEXT(4, trace, "ccwret"); @@ -2848,11 +2849,11 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr) struct chbk *p_ch; struct ccw_dev_id dev_id; - CLAW_DBF_TEXT_(2, setup, "%s", cdev->dev.bus_id); + CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cdev->dev)); privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */ p_ch = &privptr->channel[i]; p_ch->cdev = cdev; - snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id); + snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", dev_name(&cdev->dev)); ccw_device_get_id(cdev, &dev_id); p_ch->devno = dev_id.devno; if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) { @@ -3020,7 +3021,7 @@ claw_remove_device(struct ccwgroup_device *cgdev) priv = cgdev->dev.driver_data; BUG_ON(!priv); printk(KERN_INFO "claw: %s() called %s will be removed.\n", - __func__,cgdev->cdev[0]->dev.bus_id); + __func__, dev_name(&cgdev->cdev[0]->dev)); if (cgdev->state == CCWGROUP_ONLINE) claw_shutdown_device(cgdev); claw_remove_files(&cgdev->dev); diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h index 1a89d989f348..005072c420d3 100644 --- a/drivers/s390/net/claw.h +++ b/drivers/s390/net/claw.h @@ -85,7 +85,7 @@ #define CLAW_MAX_DEV 256 /* max claw devices */ #define MAX_NAME_LEN 8 /* host name, adapter name length */ #define CLAW_FRAME_SIZE 4096 -#define CLAW_ID_SIZE BUS_ID_SIZE+3 +#define CLAW_ID_SIZE 20+3 /* state machine codes used in claw_irq_handler */ diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index b11fec24c7d2..d2374cf4c4b9 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -277,18 +277,18 @@ static long ctcm_check_irb_error(struct ccw_device *cdev, struct irb *irb) CTCM_DBF_TEXT_(ERROR, CTC_DBF_WARN, "irb error %ld on device %s\n", - PTR_ERR(irb), cdev->dev.bus_id); + PTR_ERR(irb), dev_name(&cdev->dev)); switch (PTR_ERR(irb)) { case -EIO: - ctcm_pr_warn("i/o-error on device %s\n", cdev->dev.bus_id); + ctcm_pr_warn("i/o-error on device %s\n", dev_name(&cdev->dev)); break; case -ETIMEDOUT: - ctcm_pr_warn("timeout on device %s\n", cdev->dev.bus_id); + ctcm_pr_warn("timeout on device %s\n", dev_name(&cdev->dev)); break; default: ctcm_pr_warn("unknown error %ld on device %s\n", - PTR_ERR(irb), cdev->dev.bus_id); + PTR_ERR(irb), dev_name(&cdev->dev)); } return PTR_ERR(irb); } @@ -1182,7 +1182,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev, int dstat; CTCM_DBF_TEXT_(TRACE, CTC_DBF_DEBUG, - "Enter %s(%s)", CTCM_FUNTAIL, &cdev->dev.bus_id); + "Enter %s(%s)", CTCM_FUNTAIL, dev_name(&cdev->dev)); if (ctcm_check_irb_error(cdev, irb)) return; @@ -1208,14 +1208,14 @@ static void ctcm_irq_handler(struct ccw_device *cdev, ch = priv->channel[WRITE]; else { ctcm_pr_err("ctcm: Can't determine channel for interrupt, " - "device %s\n", cdev->dev.bus_id); + "device %s\n", dev_name(&cdev->dev)); return; } dev = ch->netdev; if (dev == NULL) { ctcm_pr_crit("ctcm: %s dev=NULL bus_id=%s, ch=0x%p\n", - __func__, cdev->dev.bus_id, ch); + __func__, dev_name(&cdev->dev), ch); return; } @@ -1329,7 +1329,7 @@ static int add_channel(struct ccw_device *cdev, enum channel_types type, CTCM_DBF_TEXT_(SETUP, CTC_DBF_INFO, "%s(%s), type %d, proto %d", - __func__, cdev->dev.bus_id, type, priv->protocol); + __func__, dev_name(&cdev->dev), type, priv->protocol); ch = kzalloc(sizeof(struct channel), GFP_KERNEL); if (ch == NULL) @@ -1358,7 +1358,7 @@ static int add_channel(struct ccw_device *cdev, enum channel_types type, goto nomem_return; ch->cdev = cdev; - snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", cdev->dev.bus_id); + snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev->dev)); ch->type = type; /** diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h index 8e10ee86a5ee..d77cce3fe4d4 100644 --- a/drivers/s390/net/ctcm_main.h +++ b/drivers/s390/net/ctcm_main.h @@ -104,7 +104,7 @@ #define READ 0 #define WRITE 1 -#define CTCM_ID_SIZE BUS_ID_SIZE+3 +#define CTCM_ID_SIZE 20+3 struct ctcm_profile { unsigned long maxmulti; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 9bcfa04d863b..0825be87e5a0 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -492,7 +492,7 @@ lcs_start_channel(struct lcs_channel *channel) unsigned long flags; int rc; - LCS_DBF_TEXT_(4,trace,"ssch%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace,"ssch%s", dev_name(&channel->ccwdev->dev)); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, channel->ccws + channel->io_idx, 0, 0, @@ -501,7 +501,8 @@ lcs_start_channel(struct lcs_channel *channel) channel->state = LCS_CH_STATE_RUNNING; spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"essh%s", + dev_name(&channel->ccwdev->dev)); PRINT_ERR("Error in starting channel, rc=%d!\n", rc); } return rc; @@ -514,12 +515,13 @@ lcs_clear_channel(struct lcs_channel *channel) int rc; LCS_DBF_TEXT(4,trace,"clearch"); - LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev)); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_clear(channel->ccwdev, (addr_t) channel); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "ecsc%s", + dev_name(&channel->ccwdev->dev)); return rc; } wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED)); @@ -540,13 +542,14 @@ lcs_stop_channel(struct lcs_channel *channel) if (channel->state == LCS_CH_STATE_STOPPED) return 0; LCS_DBF_TEXT(4,trace,"haltsch"); - LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev)); channel->state = LCS_CH_STATE_INIT; spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_halt(channel->ccwdev, (addr_t) channel); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"ehsc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "ehsc%s", + dev_name(&channel->ccwdev->dev)); return rc; } /* Asynchronous halt initialted. Wait for its completion. */ @@ -632,10 +635,11 @@ __lcs_resume_channel(struct lcs_channel *channel) return 0; if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND) return 0; - LCS_DBF_TEXT_(5, trace, "rsch%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "rsch%s", dev_name(&channel->ccwdev->dev)); rc = ccw_device_resume(channel->ccwdev); if (rc) { - LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "ersc%s", + dev_name(&channel->ccwdev->dev)); PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc); } else channel->state = LCS_CH_STATE_RUNNING; @@ -1302,18 +1306,18 @@ lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb) switch (PTR_ERR(irb)) { case -EIO: - PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); + PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT_(2, trace, " rc%d", -EIO); break; case -ETIMEDOUT: - PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); + PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT_(2, trace, " rc%d", -ETIMEDOUT); break; default: PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), - cdev->dev.bus_id); + dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT(2, trace, " rc???"); } @@ -1390,7 +1394,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) cstat = irb->scsw.cmd.cstat; dstat = irb->scsw.cmd.dstat; - LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "Rint%s", dev_name(&cdev->dev)); LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.cstat, irb->scsw.cmd.dstat); LCS_DBF_TEXT_(5, trace, "%4x%4x", irb->scsw.cmd.fctl, @@ -1400,7 +1404,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) rc = lcs_get_problem(cdev, irb); if (rc || (dstat & DEV_STAT_UNIT_EXCEP)) { PRINT_WARN("check on device %s, dstat=0x%X, cstat=0x%X \n", - cdev->dev.bus_id, dstat, cstat); + dev_name(&cdev->dev), dstat, cstat); if (rc) { channel->state = LCS_CH_STATE_ERROR; } @@ -1463,7 +1467,7 @@ lcs_tasklet(unsigned long data) int rc; channel = (struct lcs_channel *) data; - LCS_DBF_TEXT_(5, trace, "tlet%s",channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "tlet%s", dev_name(&channel->ccwdev->dev)); /* Check for processed buffers. */ iob = channel->iob; @@ -2244,7 +2248,7 @@ lcs_recovery(void *ptr) return 0; LCS_DBF_TEXT(4, trace, "recover2"); gdev = card->gdev; - PRINT_WARN("Recovery of device %s started...\n", gdev->dev.bus_id); + PRINT_WARN("Recovery of device %s started...\n", dev_name(&gdev->dev)); rc = __lcs_shutdown_device(gdev, 1); rc = lcs_new_device(gdev); if (!rc) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index bf8a75c92f28..af6d60458513 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -90,11 +90,11 @@ struct qeth_dbf_info { #define CARD_RDEV(card) card->read.ccwdev #define CARD_WDEV(card) card->write.ccwdev #define CARD_DDEV(card) card->data.ccwdev -#define CARD_BUS_ID(card) card->gdev->dev.bus_id -#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id -#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id -#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id -#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id +#define CARD_BUS_ID(card) dev_name(&card->gdev->dev) +#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) +#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) +#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) +#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) /** * card stuff diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index c7ab1b864516..141b2bb7b3cf 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -745,7 +745,7 @@ static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { QETH_DBF_TEXT(TRACE, 2, "CGENCHK"); PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", - cdev->dev.bus_id, dstat, cstat); + dev_name(&cdev->dev), dstat, cstat); print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET, 16, 1, irb, 64, 1); return 1; @@ -784,12 +784,12 @@ static long __qeth_check_irb_error(struct ccw_device *cdev, switch (PTR_ERR(irb)) { case -EIO: - PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); + PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT_(TRACE, 2, " rc%d", -EIO); break; case -ETIMEDOUT: - PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); + PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT_(TRACE, 2, " rc%d", -ETIMEDOUT); if (intparm == QETH_RCD_PARM) { @@ -803,7 +803,7 @@ static long __qeth_check_irb_error(struct ccw_device *cdev, break; default: PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), - cdev->dev.bus_id); + dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT(TRACE, 2, " rc???"); } @@ -4081,7 +4081,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) if (!get_device(dev)) return -ENODEV; - QETH_DBF_TEXT_(SETUP, 2, "%s", gdev->dev.bus_id); + QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev)); card = qeth_alloc_card(); if (!card) { diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 73eb41580f25..c69345f1f73c 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -596,7 +596,7 @@ struct zfcp_data { struct semaphore config_sema; /* serialises configuration changes */ atomic_t loglevel; /* current loglevel */ - char init_busid[BUS_ID_SIZE]; + char init_busid[20]; u64 init_wwpn; u64 init_fcp_lun; struct kmem_cache *fsf_req_qtcb_cache; -- GitLab From 1bf5b2853925cf92bfc5f0eddb68a8ed18782845 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:10 +0200 Subject: [PATCH 3512/6244] [S390] bus_id -> dev_set_name() changes Convert most s390 users setting bus_id to dev_set_name(). css and ccw busses are deferred since they need some special treatment. Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dcssblk.c | 2 +- drivers/s390/char/vmlogrdr.c | 3 +-- drivers/s390/cio/ccwgroup.c | 3 +-- drivers/s390/cio/chp.c | 3 +-- drivers/s390/cio/css.c | 4 ++-- drivers/s390/crypto/ap_bus.c | 4 ++-- drivers/s390/net/netiucv.c | 2 +- drivers/s390/s390_rdev.c | 2 +- drivers/s390/scsi/zfcp_aux.c | 7 +++---- 9 files changed, 13 insertions(+), 17 deletions(-) diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 2aca79e952b0..ea4272c8c677 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -343,7 +343,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char } strcpy(dev_info->segment_name, local_buf); - strlcpy(dev_info->dev.bus_id, local_buf, BUS_ID_SIZE); + dev_set_name(&dev_info->dev, local_buf); dev_info->dev.release = dcssblk_release_segment; INIT_LIST_HEAD(&dev_info->lh); diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 036e650e8b9c..42173cc34610 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -724,8 +724,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) dev = kzalloc(sizeof(struct device), GFP_KERNEL); if (dev) { - snprintf(dev->bus_id, BUS_ID_SIZE, "%s", - priv->internal_name); + dev_set_name(dev, priv->internal_name); dev->bus = &iucv_bus; dev->parent = iucv_root; dev->driver = &vmlogrdr_driver; diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index e17b462ace03..3ac2c2019f5e 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -269,8 +269,7 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id, goto error; } - snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s", - dev_name(&gdev->cdev[0]->dev)); + dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev)); rc = device_add(&gdev->dev); if (rc) diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index f1216cf6fa8f..1246f61a5338 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -393,8 +393,7 @@ int chp_new(struct chp_id chpid) chp->state = 1; chp->dev.parent = &channel_subsystems[chpid.cssid]->device; chp->dev.release = chp_release; - snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid, - chpid.id); + dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id); /* Obtain channel path description and fill it in. */ ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 1261e1a9e8cd..76bbb1e74c29 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -698,7 +698,7 @@ static int __init setup_css(int nr) return -ENOMEM; css->pseudo_subchannel->dev.parent = &css->device; css->pseudo_subchannel->dev.release = css_subchannel_release; - sprintf(css->pseudo_subchannel->dev.bus_id, "defunct"); + dev_set_name(&css->pseudo_subchannel->dev, "defunct"); ret = cio_create_sch_lock(css->pseudo_subchannel); if (ret) { kfree(css->pseudo_subchannel); @@ -707,7 +707,7 @@ static int __init setup_css(int nr) mutex_init(&css->mutex); css->valid = 1; css->cssid = nr; - sprintf(css->device.bus_id, "css%x", nr); + dev_set_name(&css->device, "css%x", nr); css->device.release = channel_subsystem_release; tod_high = (u32) (get_clock() >> 32); css_generate_pgid(css, tod_high); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 62b6b55230d0..326db1e827c4 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -892,8 +892,8 @@ static void ap_scan_bus(struct work_struct *unused) ap_dev->device.bus = &ap_bus_type; ap_dev->device.parent = ap_root_device; - snprintf(ap_dev->device.bus_id, BUS_ID_SIZE, "card%02x", - AP_QID_DEVICE(ap_dev->qid)); + dev_set_name(&ap_dev->device, "card%02x", + AP_QID_DEVICE(ap_dev->qid)); ap_dev->device.release = ap_device_release; rc = device_register(&ap_dev->device); if (rc) { diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index 9242b5acc66b..0fea51e34b57 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1724,7 +1724,7 @@ static int netiucv_register_device(struct net_device *ndev) IUCV_DBF_TEXT(trace, 3, __func__); if (dev) { - snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name); + dev_set_name(dev, "net%s", ndev->name); dev->bus = &iucv_bus; dev->parent = iucv_root; /* diff --git a/drivers/s390/s390_rdev.c b/drivers/s390/s390_rdev.c index 3c7145d9f9a1..64371c05a3b3 100644 --- a/drivers/s390/s390_rdev.c +++ b/drivers/s390/s390_rdev.c @@ -30,7 +30,7 @@ s390_root_dev_register(const char *name) dev = kzalloc(sizeof(struct device), GFP_KERNEL); if (!dev) return ERR_PTR(-ENOMEM); - strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE)); + dev_set_name(dev, name); dev->release = s390_root_dev_release; ret = device_register(dev); if (ret) { diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 24255e42dc30..3b56220fb900 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -283,8 +283,8 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun) unit->port = port; unit->fcp_lun = fcp_lun; - snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx", - (unsigned long long) fcp_lun); + dev_set_name(&unit->sysfs_device, "0x%016llx", + (unsigned long long) fcp_lun); unit->sysfs_device.parent = &port->sysfs_device; unit->sysfs_device.release = zfcp_sysfs_unit_release; dev_set_drvdata(&unit->sysfs_device, unit); @@ -610,8 +610,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn, atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status); atomic_set(&port->refcount, 0); - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx", - (unsigned long long) wwpn); + dev_set_name(&port->sysfs_device, "0x%016llx", wwpn); port->sysfs_device.parent = &adapter->ccw_device->dev; port->sysfs_device.release = zfcp_sysfs_port_release; -- GitLab From b9d3aed7e1e50183085fcd2af643bf42d6b4bd95 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:11 +0200 Subject: [PATCH 3513/6244] [S390] more bus_id -> dev_name conversions Some further bus_id -> dev_name() conversions in s390 code. Cc: Kay Sievers Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman Signed-off-by: Martin Schwidefsky --- drivers/s390/char/raw3270.c | 4 ++-- drivers/s390/cio/device.c | 2 +- drivers/s390/net/claw.c | 13 ++++++++----- drivers/s390/net/ctcm_main.c | 4 ++-- drivers/s390/scsi/zfcp_def.h | 2 +- drivers/s390/scsi/zfcp_erp.c | 2 +- drivers/s390/scsi/zfcp_sysfs.c | 2 +- 7 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index c3dee900a5c8..1792b2c0130e 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1171,7 +1171,7 @@ static int raw3270_create_attributes(struct raw3270 *rp) rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev, MKDEV(IBM_TTY3270_MAJOR, rp->minor), NULL, - "tty%s", rp->cdev->dev.bus_id); + "tty%s", dev_name(&rp->cdev->dev)); if (IS_ERR(rp->clttydev)) { rc = PTR_ERR(rp->clttydev); goto out_ttydev; @@ -1180,7 +1180,7 @@ static int raw3270_create_attributes(struct raw3270 *rp) rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev, MKDEV(IBM_FS3270_MAJOR, rp->minor), NULL, - "tub%s", rp->cdev->dev.bus_id); + "tub%s", dev_name(&rp->cdev->dev)); if (!IS_ERR(rp->cltubdev)) goto out; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 95b92dfec5a8..a8e755a88b01 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1526,7 +1526,7 @@ void ccw_device_set_notoper(struct ccw_device *cdev) struct subchannel *sch = to_subchannel(cdev->dev.parent); CIO_TRACE_EVENT(2, "notoper"); - CIO_TRACE_EVENT(2, sch->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&sch->dev)); ccw_device_set_timeout(cdev, 0); cio_disable_subchannel(sch); cdev->private->state = DEV_STATE_NOT_OPER; diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 26e95858a8f9..8f83fc994f50 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -2880,7 +2880,8 @@ claw_new_device(struct ccwgroup_device *cgdev) int ret; struct ccw_dev_id dev_id; - printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id); + printk(KERN_INFO "claw: add for %s\n", + dev_name(&cgdev->cdev[READ]->dev)); CLAW_DBF_TEXT(2, setup, "new_dev"); privptr = cgdev->dev.driver_data; cgdev->cdev[READ]->dev.driver_data = privptr; @@ -2904,14 +2905,16 @@ claw_new_device(struct ccwgroup_device *cgdev) if (ret != 0) { printk(KERN_WARNING "claw: ccw_device_set_online %s READ failed " - "with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret); + "with ret = %d\n", dev_name(&cgdev->cdev[READ]->dev), + ret); goto out; } ret = ccw_device_set_online(cgdev->cdev[WRITE]); if (ret != 0) { printk(KERN_WARNING "claw: ccw_device_set_online %s WRITE failed " - "with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret); + "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev) + ret); goto out; } dev = alloc_netdev(0,"claw%d",claw_init_netdevice); @@ -2987,7 +2990,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev) struct net_device *ndev; int ret; - CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id); + CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev)); priv = cgdev->dev.driver_data; if (!priv) return -ENODEV; @@ -3017,7 +3020,7 @@ claw_remove_device(struct ccwgroup_device *cgdev) struct claw_privbk *priv; BUG_ON(!cgdev); - CLAW_DBF_TEXT_(2, setup, "%s", cgdev->dev.bus_id); + CLAW_DBF_TEXT_(2, setup, "%s", dev_name(&cgdev->dev)); priv = cgdev->dev.driver_data; BUG_ON(!priv); printk(KERN_INFO "claw: %s() called %s will be removed.\n", diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index d2374cf4c4b9..a4e29836a2aa 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1518,8 +1518,8 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev) type = get_channel_type(&cdev0->id); - snprintf(read_id, CTCM_ID_SIZE, "ch-%s", cdev0->dev.bus_id); - snprintf(write_id, CTCM_ID_SIZE, "ch-%s", cdev1->dev.bus_id); + snprintf(read_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev0->dev)); + snprintf(write_id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev1->dev)); ret = add_channel(cdev0, type, priv); if (ret) diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index c69345f1f73c..8a13071c444c 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -619,7 +619,7 @@ struct zfcp_fsf_req_qtcb { #define ZFCP_SET 0x00000100 #define ZFCP_CLEAR 0x00000200 -#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id) +#define zfcp_get_busid_by_adapter(adapter) (dev_name(&adapter->ccw_device->dev)) /* * Helper functions for request ID management. diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 782313131870..9040f738ff33 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -1376,7 +1376,7 @@ static int zfcp_erp_thread(void *data) struct zfcp_erp_action *act; unsigned long flags; - daemonize("zfcperp%s", adapter->ccw_device->dev.bus_id); + daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev)); /* Block all signals */ siginitsetinv(¤t->blocked, 0); atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status); diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 2809d789b55c..ca9293ba1766 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -381,7 +381,7 @@ static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \ static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL); ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n", - unit->port->adapter->ccw_device->dev.bus_id); + dev_name(&unit->port->adapter->ccw_device->dev)); ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n", (unsigned long long) unit->port->wwpn); ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n", -- GitLab From 37f1c012f0f23b52df3a0d7850212b336fc9e595 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:12 +0200 Subject: [PATCH 3514/6244] [S390] Use s390_root_dev_* in kvm_virtio. No need to define a static device for the kvm_s390 root device, just use s390_root_dev_register(). This is needed for the bus_id rework Acked-by: Carsten Otte Cc: Kay Sievers Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman Signed-off-by: Martin Schwidefsky --- drivers/s390/kvm/kvm_virtio.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index 292b60da6dc7..ff4a6931bb8e 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -24,6 +24,7 @@ #include #include #include +#include #define VIRTIO_SUBCODE_64 0x0D00 @@ -241,10 +242,7 @@ static struct virtio_config_ops kvm_vq_configspace_ops = { * The root device for the kvm virtio devices. * This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2. */ -static struct device kvm_root = { - .parent = NULL, - .bus_id = "kvm_s390", -}; +static struct device *kvm_root; /* * adds a new device and register it with virtio @@ -261,7 +259,7 @@ static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset) return; } - kdev->vdev.dev.parent = &kvm_root; + kdev->vdev.dev.parent = kvm_root; kdev->vdev.id.device = d->type; kdev->vdev.config = &kvm_vq_configspace_ops; kdev->desc = d; @@ -317,15 +315,16 @@ static int __init kvm_devices_init(void) if (!MACHINE_IS_KVM) return -ENODEV; - rc = device_register(&kvm_root); - if (rc) { + kvm_root = s390_root_dev_register("kvm_s390"); + if (IS_ERR(kvm_root)) { + rc = PTR_ERR(kvm_root); printk(KERN_ERR "Could not register kvm_s390 root device"); return rc; } rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE); if (rc) { - device_unregister(&kvm_root); + s390_root_dev_unregister(kvm_root); return rc; } -- GitLab From 9286b7ed682615c1508210f85d26e4c9a5cbf126 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 10 Oct 2008 21:33:13 +0200 Subject: [PATCH 3515/6244] [S390] bus_id ->dev_name() conversions in qdio Use dev_name() in the new qdio driver. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio_debug.c | 2 +- drivers/s390/cio/qdio_main.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index 337aa3087a78..b5390821434f 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -155,7 +155,7 @@ static int qstat_seq_open(struct inode *inode, struct file *filp) static void get_queue_name(struct qdio_q *q, struct ccw_device *cdev, char *name) { memset(name, 0, sizeof(name)); - sprintf(name, "%s", cdev->dev.bus_id); + sprintf(name, "%s", dev_name(&cdev->dev)); if (q->is_input_q) sprintf(name + strlen(name), "_input"); else diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 9307512132fe..719066ec0c01 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -962,7 +962,7 @@ static void qdio_handle_activate_check(struct ccw_device *cdev, char dbf_text[15]; QDIO_DBF_TEXT2(1, trace, "ick2"); - sprintf(dbf_text, "%s", cdev->dev.bus_id); + sprintf(dbf_text, "%s", dev_name(&cdev->dev)); QDIO_DBF_TEXT2(1, trace, dbf_text); QDIO_DBF_HEX2(0, trace, &intparm, sizeof(int)); QDIO_DBF_HEX2(0, trace, &dstat, sizeof(int)); -- GitLab From 1f4e7edabc4071cdff0133e7e04db2d7287d0e36 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Fri, 10 Oct 2008 21:33:14 +0200 Subject: [PATCH 3516/6244] [S390] bus_id -> dev_set_name() for css and ccw busses Convert remaining s390 users setting bus_id to dev_set_name() or init_name. Signed-off-by: Cornelia Huck Signed-off-by: Greg Kroah-Hartman Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/cio.c | 13 +++++++++++-- drivers/s390/cio/cio.h | 4 ++++ drivers/s390/cio/device.c | 16 ++++++++++++++-- 3 files changed, 29 insertions(+), 4 deletions(-) diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 8759912734e0..719d6c406e97 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -571,8 +571,10 @@ int cio_validate_subchannel(struct subchannel *sch, struct subchannel_id schid) } mutex_init(&sch->reg_mutex); /* Set a name for the subchannel */ - snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid, - schid.sch_no); + if (cio_is_console(schid)) + sch->dev.init_name = cio_get_console_sch_name(schid); + else + dev_set_name(&sch->dev, "0.%x.%04x", schid.ssid, schid.sch_no); /* * The first subchannel that is not-operational (ccode==3) @@ -677,6 +679,7 @@ do_IRQ (struct pt_regs *regs) #ifdef CONFIG_CCW_CONSOLE static struct subchannel console_subchannel; +static char console_sch_name[10] = "0.x.xxxx"; static struct io_subchannel_private console_priv; static int console_subchannel_in_use; @@ -827,6 +830,12 @@ cio_get_console_subchannel(void) return &console_subchannel; } +const char *cio_get_console_sch_name(struct subchannel_id schid) +{ + snprintf(console_sch_name, 10, "0.%x.%04x", schid.ssid, schid.sch_no); + return (const char *)console_sch_name; +} + #endif static int __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 3b236d20e835..0fb24784e925 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -117,11 +117,15 @@ extern int cio_is_console(struct subchannel_id); extern struct subchannel *cio_get_console_subchannel(void); extern spinlock_t * cio_get_console_lock(void); extern void *cio_get_console_priv(void); +extern const char *cio_get_console_sch_name(struct subchannel_id schid); +extern const char *cio_get_console_cdev_name(struct subchannel *sch); #else #define cio_is_console(schid) 0 #define cio_get_console_subchannel() NULL #define cio_get_console_lock() NULL #define cio_get_console_priv() NULL +#define cio_get_console_sch_name(schid) NULL +#define cio_get_console_cdev_name(sch) NULL #endif #endif diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index a8e755a88b01..4e78c82194b4 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1035,8 +1035,11 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) init_timer(&priv->timer); /* Set an initial name for the device. */ - snprintf (cdev->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", - sch->schid.ssid, sch->schib.pmcw.dev); + if (cio_is_console(sch->schid)) + cdev->dev.init_name = cio_get_console_cdev_name(sch); + else + dev_set_name(&cdev->dev, "0.%x.%04x", + sch->schid.ssid, sch->schib.pmcw.dev); /* Increase counter of devices currently in recognition. */ atomic_inc(&ccw_device_init_count); @@ -1625,6 +1628,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int slow) #ifdef CONFIG_CCW_CONSOLE static struct ccw_device console_cdev; +static char console_cdev_name[10] = "0.x.xxxx"; static struct ccw_device_private console_private; static int console_cdev_in_use; @@ -1695,6 +1699,14 @@ ccw_device_probe_console(void) console_cdev.online = 1; return &console_cdev; } + + +const char *cio_get_console_cdev_name(struct subchannel *sch) +{ + snprintf(console_cdev_name, 10, "0.%x.%04x", + sch->schid.ssid, sch->schib.pmcw.dev); + return (const char *)console_cdev_name; +} #endif /* -- GitLab From f9c9fe3ecfc0c5ff17728d0c5ee95a4e269ec190 Mon Sep 17 00:00:00 2001 From: Peter Oberparleiter Date: Fri, 10 Oct 2008 21:33:15 +0200 Subject: [PATCH 3517/6244] [S390] cio: inline assembly cleanup Fix incorrect in- and output constraints, remove volatile declaration of inline assembly parameters and reformat constraint declarations to be more consistent. Signed-off-by: Peter Oberparleiter Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/cio.c | 2 +- drivers/s390/cio/io_sch.h | 22 +++++++++++++----- drivers/s390/cio/ioasm.h | 49 ++++++++++++++++++++++----------------- 3 files changed, 45 insertions(+), 28 deletions(-) diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 719d6c406e97..030083f9c6f3 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -901,7 +901,7 @@ static void cio_reset_pgm_check_handler(void) pgm_check_occured = 1; } -static int stsch_reset(struct subchannel_id schid, volatile struct schib *addr) +static int stsch_reset(struct subchannel_id schid, struct schib *addr) { int rc; diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index 3f8f1cf69c76..c4f3e7c9a854 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -123,7 +123,7 @@ struct ccw_device_private { void *cmb_wait; /* deferred cmb enable/disable */ }; -static inline int ssch(struct subchannel_id schid, volatile union orb *addr) +static inline int ssch(struct subchannel_id schid, union orb *addr) { register struct subchannel_id reg1 asm("1") = schid; int ccode = -EIO; @@ -134,7 +134,9 @@ static inline int ssch(struct subchannel_id schid, volatile union orb *addr) " srl %0,28\n" "1:\n" EX_TABLE(0b, 1b) - : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "+d" (ccode) + : "d" (reg1), "a" (addr), "m" (*addr) + : "cc", "memory"); return ccode; } @@ -147,7 +149,9 @@ static inline int rsch(struct subchannel_id schid) " rsch\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1) : "cc"); + : "=d" (ccode) + : "d" (reg1) + : "cc", "memory"); return ccode; } @@ -160,7 +164,9 @@ static inline int csch(struct subchannel_id schid) " csch\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1) : "cc"); + : "=d" (ccode) + : "d" (reg1) + : "cc"); return ccode; } @@ -173,7 +179,9 @@ static inline int hsch(struct subchannel_id schid) " hsch\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1) : "cc"); + : "=d" (ccode) + : "d" (reg1) + : "cc"); return ccode; } @@ -186,7 +194,9 @@ static inline int xsch(struct subchannel_id schid) " .insn rre,0xb2760000,%1,0\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1) : "cc"); + : "=d" (ccode) + : "d" (reg1) + : "cc"); return ccode; } diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h index 9fa2ac13ac85..759262792633 100644 --- a/drivers/s390/cio/ioasm.h +++ b/drivers/s390/cio/ioasm.h @@ -23,38 +23,39 @@ struct tpi_info { * Some S390 specific IO instructions as inline */ -static inline int stsch(struct subchannel_id schid, - volatile struct schib *addr) +static inline int stsch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode; asm volatile( - " stsch 0(%2)\n" + " stsch 0(%3)\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "=d" (ccode), "=m" (*addr) + : "d" (reg1), "a" (addr) + : "cc"); return ccode; } -static inline int stsch_err(struct subchannel_id schid, - volatile struct schib *addr) +static inline int stsch_err(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; asm volatile( - " stsch 0(%2)\n" + " stsch 0(%3)\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b,1b) - : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "+d" (ccode), "=m" (*addr) + : "d" (reg1), "a" (addr) + : "cc"); return ccode; } -static inline int msch(struct subchannel_id schid, - volatile struct schib *addr) +static inline int msch(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode; @@ -63,12 +64,13 @@ static inline int msch(struct subchannel_id schid, " msch 0(%2)\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "=d" (ccode) + : "d" (reg1), "a" (addr), "m" (*addr) + : "cc"); return ccode; } -static inline int msch_err(struct subchannel_id schid, - volatile struct schib *addr) +static inline int msch_err(struct subchannel_id schid, struct schib *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode = -EIO; @@ -79,33 +81,38 @@ static inline int msch_err(struct subchannel_id schid, " srl %0,28\n" "1:\n" EX_TABLE(0b,1b) - : "+d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "+d" (ccode) + : "d" (reg1), "a" (addr), "m" (*addr) + : "cc"); return ccode; } -static inline int tsch(struct subchannel_id schid, - volatile struct irb *addr) +static inline int tsch(struct subchannel_id schid, struct irb *addr) { register struct subchannel_id reg1 asm ("1") = schid; int ccode; asm volatile( - " tsch 0(%2)\n" + " tsch 0(%3)\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "d" (reg1), "a" (addr), "m" (*addr) : "cc"); + : "=d" (ccode), "=m" (*addr) + : "d" (reg1), "a" (addr) + : "cc"); return ccode; } -static inline int tpi( volatile struct tpi_info *addr) +static inline int tpi(struct tpi_info *addr) { int ccode; asm volatile( - " tpi 0(%1)\n" + " tpi 0(%2)\n" " ipm %0\n" " srl %0,28" - : "=d" (ccode) : "a" (addr), "m" (*addr) : "cc"); + : "=d" (ccode), "=m" (*addr) + : "a" (addr) + : "cc"); return ccode; } -- GitLab From b2bbb642ac2829006a81ae164e2f06ebc22f81dd Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 10 Oct 2008 21:33:16 +0200 Subject: [PATCH 3518/6244] [S390] cio: Correct use of ! and & In commit e6bafba5b4765a5a252f1b8d31cbf6d2459da337, a bug was fixed that involved converting !x & y to !(x & y). The code below shows the same pattern, and thus should perhaps be fixed in the same way. In particular, the result of !scsw_stctl(&request->irb.scsw) & SCSW_STCTL_STATUS_PEND is always just !scsw_stctl(&request->irb.scsw). The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ expression E; constant C; @@ ( !E & !C | - !E & C + !(E & C) ) // Signed-off-by: Julia Lawall Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc_sch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index 91ca87aa9f97..f49f0e502b8d 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -261,7 +261,7 @@ static int chsc_examine_irb(struct chsc_request *request) { int backed_up; - if (!scsw_stctl(&request->irb.scsw) & SCSW_STCTL_STATUS_PEND) + if (!(scsw_stctl(&request->irb.scsw) & SCSW_STCTL_STATUS_PEND)) return -EIO; backed_up = scsw_cstat(&request->irb.scsw) & SCHN_STAT_CHAIN_CHECK; request->irb.scsw.cmd.cstat &= ~SCHN_STAT_CHAIN_CHECK; -- GitLab From b1e766137fe2462fd110e2930f74ef5636adb436 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 10 Oct 2008 21:33:17 +0200 Subject: [PATCH 3519/6244] [S390] cio: fix cio_tpi. In cio_tpi only disable bottom halves when not in interrupt context. Otherwise a WARN_ON gets triggered. Besides that, when we are in interrupt context bottom halves are disabled anyway. Fixes this one: Badness at kernel/softirq.c:77 Modules linked in: CPU: 2 Not tainted 2.6.26 #4 Process swapper (pid: 0, task: 000000003fe83db0, ksp: 000000003fea7d28) Krnl PSW : 0404c00180000000 0000000000053f4e (__local_bh_disable+0xbe/0xcc) R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:3 Krnl GPRS: 0000000000008ee0 00000000005f95e0 0000000000000000 0000000000000001 000000000020be92 0000000000000000 0000000000000210 00000000005d36c0 000000003fb5f4d8 0000000000000000 000000000020bed0 000000003fb5f3c8 00000000009be920 0000000000364898 000000003fb5f408 000000003fb5f3c8 Krnl Code: 0000000000053f42: bf2f1000 icm %r2,15,0(%r1) 0000000000053f46: a774ffc5 brc 7,53ed0 0000000000053f4a: a7f40001 brc 15,53f4c >0000000000053f4e: a7280001 lhi %r2,1 0000000000053f52: 50201000 st %r2,0(%r1) 0000000000053f56: a7f4ffbd brc 15,53ed0 0000000000053f5a: 0707 bcr 0,%r7 0000000000053f5c: a7f13fc0 tmll %r15,16320 Call Trace: ([<0000000000000210>] 0x210) [<0000000000053f86>] local_bh_disable+0x2a/0x38 [<000000000020bed0>] wait_cons_dev+0xd4/0x154 [<0000000000247cb2>] raw3215_make_room+0x6a/0x1a8 [<000000000024861a>] raw3215_write+0x86/0x28c [<00000000002488a0>] con3215_write+0x80/0x110 [<000000000004c3e0>] __call_console_drivers+0xc8/0xe4 [<000000000004c47e>] _call_console_drivers+0x82/0xc4 [<000000000004c744>] release_console_sem+0x218/0x2c0 [<000000000004cf64>] vprintk+0x3c0/0x504 [<0000000000354a4a>] printk+0x52/0x64 [<0000000000088004>] __print_symbol+0x40/0x50 [<0000000000071dbc>] print_stack_trace+0x78/0xac [<0000000000079e78>] print_lock_dependencies+0x148/0x208 [<000000000007a050>] print_irq_inversion_bug+0x118/0x15c [<000000000007a106>] check_usage_forwards+0x72/0x84 [<000000000007a36e>] mark_lock+0x1d2/0x594 [<000000000007baca>] __lock_acquire+0x886/0xf48 [<000000000007c234>] lock_acquire+0xa8/0xe0 [<0000000000350316>] _write_lock+0x56/0x98 [<000000000026cd92>] zfcp_erp_adapter_reopen+0x4e/0x8c [<000000000026f1e8>] zfcp_qdio_int_resp+0x2e4/0x2f4 [<00000000002210f4>] qdio_int_handler+0x274/0x888 [<00000000002177b6>] ccw_device_call_handler+0x6e/0xd8 [<0000000000215336>] ccw_device_irq+0xd6/0x160 [<0000000000212f88>] io_subchannel_irq+0x8c/0x118 [<000000000020c120>] do_IRQ+0x1d0/0x1fc [<00000000000270b2>] io_return+0x0/0x8 [<000000000001c8a4>] cpu_idle+0x178/0x21c ([<000000000001c884>] cpu_idle+0x158/0x21c) [<00000000003483a2>] start_secondary+0xb6/0xc8 INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000000000053f4a>] __local_bh_disable+0xba/0xcc Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/cio.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 030083f9c6f3..c0cb72547256 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -114,6 +114,7 @@ cio_tpi(void) struct tpi_info *tpi_info; struct subchannel *sch; struct irb *irb; + int irq_context; tpi_info = (struct tpi_info *) __LC_SUBCHANNEL_ID; if (tpi (NULL) != 1) @@ -126,7 +127,9 @@ cio_tpi(void) sch = (struct subchannel *)(unsigned long)tpi_info->intparm; if (!sch) return 1; - local_bh_disable(); + irq_context = in_interrupt(); + if (!irq_context) + local_bh_disable(); irq_enter (); spin_lock(sch->lock); memcpy(&sch->schib.scsw, &irb->scsw, sizeof(union scsw)); @@ -134,7 +137,8 @@ cio_tpi(void) sch->driver->irq(sch); spin_unlock(sch->lock); irq_exit (); - _local_bh_enable(); + if (!irq_context) + _local_bh_enable(); return 1; } -- GitLab From 7a0f475513fa573bc8e072021960313da32f0ee3 Mon Sep 17 00:00:00 2001 From: Klaus-Dieter Wacker Date: Fri, 10 Oct 2008 21:33:18 +0200 Subject: [PATCH 3520/6244] [S390] qdio enhanced SIGA (iqdio) support. Add support for z10 HiperSockets multiwrite SBALs on output queues. This is used on LPAR with EDDP enabled devices. Signed-off-by: Klaus-Dieter Wacker Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/qdio.h | 8 +++++++- drivers/s390/cio/qdio.h | 3 +++ drivers/s390/cio/qdio_main.c | 24 +++++++++++++++++++----- 3 files changed, 29 insertions(+), 6 deletions(-) diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 6813772171f2..4734c3f05354 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -299,7 +299,13 @@ struct qdio_ssqd_desc { u8 mbccnt; u16 qdioac2; u64 sch_token; - u64:64; + u8 mro; + u8 mri; + u8:8; + u8 sbalic; + u16:16; + u8:8; + u8 mmwc; } __attribute__ ((packed)); /* params are: ccw_device, qdio_error, queue_number, diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index af867731a5f4..e3ea1d5f2810 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -203,6 +203,9 @@ struct qdio_output_q { /* PCIs are enabled for the queue */ int pci_out_enabled; + /* IQDIO: output multiple buffers (enhanced SIGA) */ + int use_enh_siga; + /* timer to check for more outbound work */ struct timer_list timer; }; diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 719066ec0c01..a50682d2a0fa 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -316,6 +316,9 @@ static inline int qdio_do_siga_output(struct qdio_q *q, unsigned int *busy_bit) unsigned int fc = 0; unsigned long schid; + if (q->u.out.use_enh_siga) { + fc = 3; + } if (!is_qebsm(q)) schid = *((u32 *)&q->irq_ptr->schid); else { @@ -1449,6 +1452,8 @@ int qdio_establish(struct qdio_initialize *init_data) } qdio_setup_ssqd_info(irq_ptr); + sprintf(dbf_text, "qDmmwc%2x", irq_ptr->ssqd_desc.mmwc); + QDIO_DBF_TEXT2(0, setup, dbf_text); sprintf(dbf_text, "qib ac%2x", irq_ptr->qib.ac); QDIO_DBF_TEXT2(0, setup, dbf_text); @@ -1621,12 +1626,21 @@ static void handle_outbound(struct qdio_q *q, unsigned int callflags, if (multicast_outbound(q)) qdio_kick_outbound_q(q); else - /* - * One siga-w per buffer required for unicast - * HiperSockets. - */ - while (count--) + if ((q->irq_ptr->ssqd_desc.mmwc > 1) && + (count > 1) && + (count <= q->irq_ptr->ssqd_desc.mmwc)) { + /* exploit enhanced SIGA */ + q->u.out.use_enh_siga = 1; qdio_kick_outbound_q(q); + } else { + /* + * One siga-w per buffer required for unicast + * HiperSockets. + */ + q->u.out.use_enh_siga = 0; + while (count--) + qdio_kick_outbound_q(q); + } goto out; } -- GitLab From d86730bb9597b02bff59a3a5a01c0094d71a265f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 10 Oct 2008 21:33:19 +0200 Subject: [PATCH 3521/6244] [S390] s390: use sys_pause for 31bit pause entry point sys32_pause is a useless copy of the generic sys_pause. (and it's certainly not there for old sparc32 binaries..) Signed-off-by: Christoph Hellwig Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/compat_linux.c | 8 -------- arch/s390/kernel/compat_linux.h | 1 - arch/s390/kernel/compat_wrapper.S | 2 -- arch/s390/kernel/syscalls.S | 2 +- 4 files changed, 1 insertion(+), 12 deletions(-) diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index d7f22226fc4e..98e246dc0233 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -608,14 +608,6 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, struct time return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); } -/* These are here just in case some old sparc32 binary calls it. */ -asmlinkage long sys32_pause(void) -{ - current->state = TASK_INTERRUPTIBLE; - schedule(); - return -ERESTARTNOHAND; -} - asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo) { diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h index 20723a062017..05f8516366ab 100644 --- a/arch/s390/kernel/compat_linux.h +++ b/arch/s390/kernel/compat_linux.h @@ -206,7 +206,6 @@ long sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz); long sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz); -long sys32_pause(void); long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo); long sys32_pwrite64(unsigned int fd, const char __user *ubuf, diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 328a20e880b5..ee51ca9e23b5 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -128,8 +128,6 @@ sys32_alarm_wrapper: llgfr %r2,%r2 # unsigned int jg sys_alarm # branch to system call -#sys32_pause_wrapper # void - .globl compat_sys_utime_wrapper compat_sys_utime_wrapper: llgtr %r2,%r2 # char * diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index c66d35e55142..3ae303914b42 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -37,7 +37,7 @@ SYSCALL(sys_stime,sys_ni_syscall,sys32_stime_wrapper) /* 25 old stime syscall * SYSCALL(sys_ptrace,sys_ptrace,sys32_ptrace_wrapper) SYSCALL(sys_alarm,sys_alarm,sys32_alarm_wrapper) NI_SYSCALL /* old fstat syscall */ -SYSCALL(sys_pause,sys_pause,sys32_pause) +SYSCALL(sys_pause,sys_pause,sys_pause) SYSCALL(sys_utime,sys_utime,compat_sys_utime_wrapper) /* 30 */ NI_SYSCALL /* old stty syscall */ NI_SYSCALL /* old gtty syscall */ -- GitLab From 753c4dd6a2fa2af81f5d809d610d29f2d9dd9bc1 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 10 Oct 2008 21:33:20 +0200 Subject: [PATCH 3522/6244] [S390] ptrace changes * System call parameter and result access functions * Add tracehook calls * Split syscall_trace into two functions do_syscall_trace_enter and do_syscall_trace_exit Signed-off-by: Martin Schwidefsky --- arch/s390/Kconfig | 1 + arch/s390/include/asm/ptrace.h | 1 + arch/s390/include/asm/syscall.h | 80 +++++++++++++++++++++++++++++ arch/s390/include/asm/thread_info.h | 2 + arch/s390/kernel/entry.S | 50 ++++++++++++++---- arch/s390/kernel/entry64.S | 42 +++++++++++---- arch/s390/kernel/ptrace.c | 61 ++++++++++++---------- arch/s390/kernel/signal.c | 13 +++++ 8 files changed, 202 insertions(+), 48 deletions(-) create mode 100644 arch/s390/include/asm/syscall.h diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 8d41908e2513..4c03049e7db9 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -74,6 +74,7 @@ config S390 select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_KVM if 64BIT + select HAVE_ARCH_TRACEHOOK source "init/Kconfig" diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index af2c9ac28a07..a7226f8143fb 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -490,6 +490,7 @@ extern void user_disable_single_step(struct task_struct *); #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0) #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN) +#define user_stack_pointer(regs)((regs)->gprs[15]) #define regs_return_value(regs)((regs)->gprs[2]) #define profile_pc(regs) instruction_pointer(regs) extern void show_regs(struct pt_regs * regs); diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h new file mode 100644 index 000000000000..6e623971fbb9 --- /dev/null +++ b/arch/s390/include/asm/syscall.h @@ -0,0 +1,80 @@ +/* + * Access to user system call parameters and results + * + * Copyright IBM Corp. 2008 + * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (version 2 only) + * as published by the Free Software Foundation. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H 1 + +#include + +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + if (regs->trap != __LC_SVC_OLD_PSW) + return -1; + return regs->gprs[2]; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->gprs[2] = regs->orig_gpr2; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return (regs->gprs[2] >= -4096UL) ? -regs->gprs[2] : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->gprs[2]; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + regs->gprs[2] = error ? -error : val; +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + BUG_ON(i + n > 6); +#ifdef CONFIG_COMPAT + if (test_tsk_thread_flag(task, TIF_31BIT)) { + if (i + n == 6) + args[--n] = (u32) regs->args[0]; + while (n-- > 0) + args[n] = (u32) regs->gprs[2 + i + n]; + } +#endif + if (i + n == 6) + args[--n] = regs->args[0]; + memcpy(args, ®s->gprs[2 + i], n * sizeof(args[0])); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + BUG_ON(i + n > 6); + if (i + n == 6) + regs->args[0] = args[--n]; + memcpy(®s->gprs[2 + i], args, n * sizeof(args[0])); +} + +#endif /* _ASM_SYSCALL_H */ diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 91a8f93ad355..ea40a9d690fc 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -86,6 +86,7 @@ static inline struct thread_info *current_thread_info(void) * thread information flags bit numbers */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_RESTART_SVC 4 /* restart svc with new svc number */ @@ -100,6 +101,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */ #define _TIF_SYSCALL_TRACE (1< #include #include +#include #include #include @@ -639,40 +640,44 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, } #endif -asmlinkage void -syscall_trace(struct pt_regs *regs, int entryexit) +asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) { - if (unlikely(current->audit_context) && entryexit) - audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]); - - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - goto out; - if (!(current->ptrace & PT_PTRACED)) - goto out; - ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) - ? 0x80 : 0)); + long ret; /* - * If the debuffer has set an invalid system call number, - * we prepare to skip the system call restart handling. + * The sysc_tracesys code in entry.S stored the system + * call number to gprs[2]. */ - if (!entryexit && regs->gprs[2] >= NR_syscalls) + ret = regs->gprs[2]; + if (test_thread_flag(TIF_SYSCALL_TRACE) && + (tracehook_report_syscall_entry(regs) || + regs->gprs[2] >= NR_syscalls)) { + /* + * Tracing decided this syscall should not happen or the + * debugger stored an invalid system call number. Skip + * the system call and the system call restart handling. + */ regs->trap = -1; - - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; + ret = -1; } - out: - if (unlikely(current->audit_context) && !entryexit) - audit_syscall_entry(test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X, - regs->gprs[2], regs->orig_gpr2, regs->gprs[3], - regs->gprs[4], regs->gprs[5]); + + if (unlikely(current->audit_context)) + audit_syscall_entry(test_thread_flag(TIF_31BIT) ? + AUDIT_ARCH_S390 : AUDIT_ARCH_S390X, + regs->gprs[2], regs->orig_gpr2, + regs->gprs[3], regs->gprs[4], + regs->gprs[5]); + return ret; +} + +asmlinkage void do_syscall_trace_exit(struct pt_regs *regs) +{ + if (unlikely(current->audit_context)) + audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), + regs->gprs[2]); + + if (test_thread_flag(TIF_SYSCALL_TRACE)) + tracehook_report_syscall_exit(regs, 0); } /* diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index b97682040215..4f7fc3059a8e 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -507,6 +508,12 @@ void do_signal(struct pt_regs *regs) */ if (current->thread.per_info.single_step) set_thread_flag(TIF_SINGLE_STEP); + + /* + * Let tracing know that we've done the handler setup. + */ + tracehook_signal_handler(signr, &info, &ka, regs, + test_thread_flag(TIF_SINGLE_STEP)); } return; } @@ -526,3 +533,9 @@ void do_signal(struct pt_regs *regs) set_thread_flag(TIF_RESTART_SVC); } } + +void do_notify_resume(struct pt_regs *regs) +{ + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); +} -- GitLab From b2300b9efe1b8174833e17f37e975c9da00c388a Mon Sep 17 00:00:00 2001 From: Hongjie Yang Date: Fri, 10 Oct 2008 21:33:21 +0200 Subject: [PATCH 3523/6244] [S390] dcssblk: add >2G DCSSs support and stacked contiguous DCSSs support. The DCSS block device driver is modified to add >2G DCSSs support and allow a DCSS block device to map to a set of contiguous DCSSs. The extmem code is also modified to use new Diagnose x'64' subcodes for >2G DCSSs. Signed-off-by: Hongjie Yang Signed-off-by: Martin Schwidefsky --- arch/s390/mm/extmem.c | 251 ++++++++++++++--- drivers/s390/block/dcssblk.c | 515 ++++++++++++++++++++++++++--------- 2 files changed, 596 insertions(+), 170 deletions(-) diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c index f231f5ec74b6..580fc64cc735 100644 --- a/arch/s390/mm/extmem.c +++ b/arch/s390/mm/extmem.c @@ -43,20 +43,40 @@ #define DCSS_FINDSEG 0x0c #define DCSS_LOADNOLY 0x10 #define DCSS_SEGEXT 0x18 +#define DCSS_LOADSHRX 0x20 +#define DCSS_LOADNSRX 0x24 +#define DCSS_FINDSEGX 0x2c +#define DCSS_SEGEXTX 0x38 #define DCSS_FINDSEGA 0x0c struct qrange { - unsigned int start; // 3byte start address, 1 byte type - unsigned int end; // 3byte end address, 1 byte reserved + unsigned long start; /* last byte type */ + unsigned long end; /* last byte reserved */ }; struct qout64 { + unsigned long segstart; + unsigned long segend; + int segcnt; + int segrcnt; + struct qrange range[6]; +}; + +#ifdef CONFIG_64BIT +struct qrange_old { + unsigned int start; /* last byte type */ + unsigned int end; /* last byte reserved */ +}; + +/* output area format for the Diag x'64' old subcode x'18' */ +struct qout64_old { int segstart; int segend; int segcnt; int segrcnt; - struct qrange range[6]; + struct qrange_old range[6]; }; +#endif struct qin64 { char qopcode; @@ -86,6 +106,55 @@ static DEFINE_MUTEX(dcss_lock); static LIST_HEAD(dcss_list); static char *segtype_string[] = { "SW", "EW", "SR", "ER", "SN", "EN", "SC", "EW/EN-MIXED" }; +static int loadshr_scode, loadnsr_scode, findseg_scode; +static int segext_scode, purgeseg_scode; +static int scode_set; + +/* set correct Diag x'64' subcodes. */ +static int +dcss_set_subcodes(void) +{ +#ifdef CONFIG_64BIT + char *name = kmalloc(8 * sizeof(char), GFP_DMA); + unsigned long rx, ry; + int rc; + + if (name == NULL) + return -ENOMEM; + + rx = (unsigned long) name; + ry = DCSS_FINDSEGX; + + strcpy(name, "dummy"); + asm volatile( + " diag %0,%1,0x64\n" + "0: ipm %2\n" + " srl %2,28\n" + " j 2f\n" + "1: la %2,3\n" + "2:\n" + EX_TABLE(0b, 1b) + : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); + + kfree(name); + /* Diag x'64' new subcodes are supported, set to new subcodes */ + if (rc != 3) { + loadshr_scode = DCSS_LOADSHRX; + loadnsr_scode = DCSS_LOADNSRX; + purgeseg_scode = DCSS_PURGESEG; + findseg_scode = DCSS_FINDSEGX; + segext_scode = DCSS_SEGEXTX; + return 0; + } +#endif + /* Diag x'64' new subcodes are not supported, set to old subcodes */ + loadshr_scode = DCSS_LOADNOLY; + loadnsr_scode = DCSS_LOADNSR; + purgeseg_scode = DCSS_PURGESEG; + findseg_scode = DCSS_FINDSEG; + segext_scode = DCSS_SEGEXT; + return 0; +} /* * Create the 8 bytes, ebcdic VM segment name from @@ -135,25 +204,45 @@ segment_by_name (char *name) * Perform a function on a dcss segment. */ static inline int -dcss_diag (__u8 func, void *parameter, +dcss_diag(int *func, void *parameter, unsigned long *ret1, unsigned long *ret2) { unsigned long rx, ry; int rc; + if (scode_set == 0) { + rc = dcss_set_subcodes(); + if (rc < 0) + return rc; + scode_set = 1; + } rx = (unsigned long) parameter; - ry = (unsigned long) func; - asm volatile( + ry = (unsigned long) *func; + #ifdef CONFIG_64BIT - " sam31\n" - " diag %0,%1,0x64\n" - " sam64\n" + /* 64-bit Diag x'64' new subcode, keep in 64-bit addressing mode */ + if (*func > DCSS_SEGEXT) + asm volatile( + " diag %0,%1,0x64\n" + " ipm %2\n" + " srl %2,28\n" + : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); + /* 31-bit Diag x'64' old subcode, switch to 31-bit addressing mode */ + else + asm volatile( + " sam31\n" + " diag %0,%1,0x64\n" + " sam64\n" + " ipm %2\n" + " srl %2,28\n" + : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); #else + asm volatile( " diag %0,%1,0x64\n" -#endif " ipm %2\n" " srl %2,28\n" : "+d" (rx), "+d" (ry), "=d" (rc) : : "cc"); +#endif *ret1 = rx; *ret2 = ry; return rc; @@ -190,14 +279,45 @@ query_segment_type (struct dcss_segment *seg) qin->qoutlen = sizeof(struct qout64); memcpy (qin->qname, seg->dcss_name, 8); - diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc); + diag_cc = dcss_diag(&segext_scode, qin, &dummy, &vmrc); + if (diag_cc < 0) { + rc = diag_cc; + goto out_free; + } if (diag_cc > 1) { PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc); rc = dcss_diag_translate_rc (vmrc); goto out_free; } +#ifdef CONFIG_64BIT + /* Only old format of output area of Diagnose x'64' is supported, + copy data for the new format. */ + if (segext_scode == DCSS_SEGEXT) { + struct qout64_old *qout_old; + qout_old = kzalloc(sizeof(struct qout64_old), GFP_DMA); + if (qout_old == NULL) { + rc = -ENOMEM; + goto out_free; + } + memcpy(qout_old, qout, sizeof(struct qout64_old)); + qout->segstart = (unsigned long) qout_old->segstart; + qout->segend = (unsigned long) qout_old->segend; + qout->segcnt = qout_old->segcnt; + qout->segrcnt = qout_old->segrcnt; + + if (qout->segcnt > 6) + qout->segrcnt = 6; + for (i = 0; i < qout->segrcnt; i++) { + qout->range[i].start = + (unsigned long) qout_old->range[i].start; + qout->range[i].end = + (unsigned long) qout_old->range[i].end; + } + kfree(qout_old); + } +#endif if (qout->segcnt > 6) { rc = -ENOTSUPP; goto out_free; @@ -268,6 +388,30 @@ segment_type (char* name) return seg.vm_segtype; } +/* + * check if segment collides with other segments that are currently loaded + * returns 1 if this is the case, 0 if no collision was found + */ +static int +segment_overlaps_others (struct dcss_segment *seg) +{ + struct list_head *l; + struct dcss_segment *tmp; + + BUG_ON(!mutex_is_locked(&dcss_lock)); + list_for_each(l, &dcss_list) { + tmp = list_entry(l, struct dcss_segment, list); + if ((tmp->start_addr >> 20) > (seg->end >> 20)) + continue; + if ((tmp->end >> 20) < (seg->start_addr >> 20)) + continue; + if (seg == tmp) + continue; + return 1; + } + return 0; +} + /* * real segment loading function, called from segment_load */ @@ -276,7 +420,8 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long { struct dcss_segment *seg = kmalloc(sizeof(struct dcss_segment), GFP_DMA); - int dcss_command, rc, diag_cc; + int rc, diag_cc; + unsigned long start_addr, end_addr, dummy; if (seg == NULL) { rc = -ENOMEM; @@ -287,6 +432,13 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long if (rc < 0) goto out_free; + if (loadshr_scode == DCSS_LOADSHRX) { + if (segment_overlaps_others(seg)) { + rc = -EBUSY; + goto out_free; + } + } + rc = vmem_add_mapping(seg->start_addr, seg->end - seg->start_addr + 1); if (rc) @@ -316,20 +468,28 @@ __segment_load (char *name, int do_nonshared, unsigned long *addr, unsigned long } if (do_nonshared) - dcss_command = DCSS_LOADNSR; + diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name, + &start_addr, &end_addr); else - dcss_command = DCSS_LOADNOLY; - - diag_cc = dcss_diag(dcss_command, seg->dcss_name, - &seg->start_addr, &seg->end); + diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name, + &start_addr, &end_addr); + if (diag_cc < 0) { + dcss_diag(&purgeseg_scode, seg->dcss_name, + &dummy, &dummy); + rc = diag_cc; + goto out_resource; + } if (diag_cc > 1) { PRINT_WARN ("segment_load: could not load segment %s - " - "diag returned error (%ld)\n",name,seg->end); - rc = dcss_diag_translate_rc (seg->end); - dcss_diag(DCSS_PURGESEG, seg->dcss_name, - &seg->start_addr, &seg->end); + "diag returned error (%ld)\n", + name, end_addr); + rc = dcss_diag_translate_rc(end_addr); + dcss_diag(&purgeseg_scode, seg->dcss_name, + &dummy, &dummy); goto out_resource; } + seg->start_addr = start_addr; + seg->end = end_addr; seg->do_nonshared = do_nonshared; atomic_set(&seg->ref_count, 1); list_add(&seg->list, &dcss_list); @@ -423,8 +583,8 @@ int segment_modify_shared (char *name, int do_nonshared) { struct dcss_segment *seg; - unsigned long dummy; - int dcss_command, rc, diag_cc; + unsigned long start_addr, end_addr, dummy; + int rc, diag_cc; mutex_lock(&dcss_lock); seg = segment_by_name (name); @@ -445,38 +605,51 @@ segment_modify_shared (char *name, int do_nonshared) goto out_unlock; } release_resource(seg->res); - if (do_nonshared) { - dcss_command = DCSS_LOADNSR; + if (do_nonshared) seg->res->flags &= ~IORESOURCE_READONLY; - } else { - dcss_command = DCSS_LOADNOLY; + else if (seg->vm_segtype == SEG_TYPE_SR || seg->vm_segtype == SEG_TYPE_ER) seg->res->flags |= IORESOURCE_READONLY; - } + if (request_resource(&iomem_resource, seg->res)) { PRINT_WARN("segment_modify_shared: could not reload segment %s" " - overlapping resources\n", name); rc = -EBUSY; kfree(seg->res); - goto out_del; + goto out_del_mem; + } + + dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); + if (do_nonshared) + diag_cc = dcss_diag(&loadnsr_scode, seg->dcss_name, + &start_addr, &end_addr); + else + diag_cc = dcss_diag(&loadshr_scode, seg->dcss_name, + &start_addr, &end_addr); + if (diag_cc < 0) { + rc = diag_cc; + goto out_del_res; } - dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); - diag_cc = dcss_diag(dcss_command, seg->dcss_name, - &seg->start_addr, &seg->end); if (diag_cc > 1) { PRINT_WARN ("segment_modify_shared: could not reload segment %s" - " - diag returned error (%ld)\n",name,seg->end); - rc = dcss_diag_translate_rc (seg->end); - goto out_del; + " - diag returned error (%ld)\n", + name, end_addr); + rc = dcss_diag_translate_rc(end_addr); + goto out_del_res; } + seg->start_addr = start_addr; + seg->end = end_addr; seg->do_nonshared = do_nonshared; rc = 0; goto out_unlock; - out_del: + out_del_res: + release_resource(seg->res); + kfree(seg->res); + out_del_mem: vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1); list_del(&seg->list); - dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); + dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); kfree(seg); out_unlock: mutex_unlock(&dcss_lock); @@ -510,7 +683,7 @@ segment_unload(char *name) kfree(seg->res); vmem_remove_mapping(seg->start_addr, seg->end - seg->start_addr + 1); list_del(&seg->list); - dcss_diag(DCSS_PURGESEG, seg->dcss_name, &dummy, &dummy); + dcss_diag(&purgeseg_scode, seg->dcss_name, &dummy, &dummy); kfree(seg); out_unlock: mutex_unlock(&dcss_lock); @@ -545,7 +718,7 @@ segment_save(char *name) endpfn = (seg->end) >> PAGE_SHIFT; sprintf(cmd1, "DEFSEG %s", name); for (i=0; isegcnt; i++) { - sprintf(cmd1+strlen(cmd1), " %X-%X %s", + sprintf(cmd1+strlen(cmd1), " %lX-%lX %s", seg->range[i].start >> PAGE_SHIFT, seg->range[i].end >> PAGE_SHIFT, segtype_string[seg->range[i].start & 0xff]); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index ea4272c8c677..a7ff167d5b81 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -31,7 +31,6 @@ #define PRINT_WARN(x...) printk(KERN_WARNING DCSSBLK_NAME " warning: " x) #define PRINT_ERR(x...) printk(KERN_ERR DCSSBLK_NAME " error: " x) - static int dcssblk_open(struct inode *inode, struct file *filp); static int dcssblk_release(struct inode *inode, struct file *filp); static int dcssblk_make_request(struct request_queue *q, struct bio *bio); @@ -48,6 +47,30 @@ static struct block_device_operations dcssblk_devops = { .direct_access = dcssblk_direct_access, }; +struct dcssblk_dev_info { + struct list_head lh; + struct device dev; + char segment_name[BUS_ID_SIZE]; + atomic_t use_count; + struct gendisk *gd; + unsigned long start; + unsigned long end; + int segment_type; + unsigned char save_pending; + unsigned char is_shared; + struct request_queue *dcssblk_queue; + int num_of_segments; + struct list_head seg_list; +}; + +struct segment_info { + struct list_head lh; + char segment_name[BUS_ID_SIZE]; + unsigned long start; + unsigned long end; + int segment_type; +}; + static ssize_t dcssblk_add_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); static ssize_t dcssblk_remove_store(struct device * dev, struct device_attribute *attr, const char * buf, @@ -58,30 +81,20 @@ static ssize_t dcssblk_save_show(struct device *dev, struct device_attribute *at static ssize_t dcssblk_shared_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t count); static ssize_t dcssblk_shared_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t dcssblk_seglist_show(struct device *dev, + struct device_attribute *attr, + char *buf); static DEVICE_ATTR(add, S_IWUSR, NULL, dcssblk_add_store); static DEVICE_ATTR(remove, S_IWUSR, NULL, dcssblk_remove_store); -static DEVICE_ATTR(save, S_IWUSR | S_IRUGO, dcssblk_save_show, +static DEVICE_ATTR(save, S_IWUSR | S_IRUSR, dcssblk_save_show, dcssblk_save_store); -static DEVICE_ATTR(shared, S_IWUSR | S_IRUGO, dcssblk_shared_show, +static DEVICE_ATTR(shared, S_IWUSR | S_IRUSR, dcssblk_shared_show, dcssblk_shared_store); +static DEVICE_ATTR(seglist, S_IRUSR, dcssblk_seglist_show, NULL); static struct device *dcssblk_root_dev; -struct dcssblk_dev_info { - struct list_head lh; - struct device dev; - char segment_name[BUS_ID_SIZE]; - atomic_t use_count; - struct gendisk *gd; - unsigned long start; - unsigned long end; - int segment_type; - unsigned char save_pending; - unsigned char is_shared; - struct request_queue *dcssblk_queue; -}; - static LIST_HEAD(dcssblk_devices); static struct rw_semaphore dcssblk_devices_sem; @@ -91,8 +104,15 @@ static struct rw_semaphore dcssblk_devices_sem; static void dcssblk_release_segment(struct device *dev) { - PRINT_DEBUG("segment release fn called for %s\n", dev_name(dev)); - kfree(container_of(dev, struct dcssblk_dev_info, dev)); + struct dcssblk_dev_info *dev_info; + struct segment_info *entry, *temp; + + dev_info = container_of(dev, struct dcssblk_dev_info, dev); + list_for_each_entry_safe(entry, temp, &dev_info->seg_list, lh) { + list_del(&entry->lh); + kfree(entry); + } + kfree(dev_info); module_put(THIS_MODULE); } @@ -142,6 +162,169 @@ dcssblk_get_device_by_name(char *name) return NULL; } +/* + * get the struct segment_info from seg_list + * for the given name. + * down_read(&dcssblk_devices_sem) must be held. + */ +static struct segment_info * +dcssblk_get_segment_by_name(char *name) +{ + struct dcssblk_dev_info *dev_info; + struct segment_info *entry; + + list_for_each_entry(dev_info, &dcssblk_devices, lh) { + list_for_each_entry(entry, &dev_info->seg_list, lh) { + if (!strcmp(name, entry->segment_name)) + return entry; + } + } + return NULL; +} + +/* + * get the highest address of the multi-segment block. + */ +static unsigned long +dcssblk_find_highest_addr(struct dcssblk_dev_info *dev_info) +{ + unsigned long highest_addr; + struct segment_info *entry; + + highest_addr = 0; + list_for_each_entry(entry, &dev_info->seg_list, lh) { + if (highest_addr < entry->end) + highest_addr = entry->end; + } + return highest_addr; +} + +/* + * get the lowest address of the multi-segment block. + */ +static unsigned long +dcssblk_find_lowest_addr(struct dcssblk_dev_info *dev_info) +{ + int set_first; + unsigned long lowest_addr; + struct segment_info *entry; + + set_first = 0; + lowest_addr = 0; + list_for_each_entry(entry, &dev_info->seg_list, lh) { + if (set_first == 0) { + lowest_addr = entry->start; + set_first = 1; + } else { + if (lowest_addr > entry->start) + lowest_addr = entry->start; + } + } + return lowest_addr; +} + +/* + * Check continuity of segments. + */ +static int +dcssblk_is_continuous(struct dcssblk_dev_info *dev_info) +{ + int i, j, rc; + struct segment_info *sort_list, *entry, temp; + + if (dev_info->num_of_segments <= 1) + return 0; + + sort_list = kzalloc( + sizeof(struct segment_info) * dev_info->num_of_segments, + GFP_KERNEL); + if (sort_list == NULL) + return -ENOMEM; + i = 0; + list_for_each_entry(entry, &dev_info->seg_list, lh) { + memcpy(&sort_list[i], entry, sizeof(struct segment_info)); + i++; + } + + /* sort segments */ + for (i = 0; i < dev_info->num_of_segments; i++) + for (j = 0; j < dev_info->num_of_segments; j++) + if (sort_list[j].start > sort_list[i].start) { + memcpy(&temp, &sort_list[i], + sizeof(struct segment_info)); + memcpy(&sort_list[i], &sort_list[j], + sizeof(struct segment_info)); + memcpy(&sort_list[j], &temp, + sizeof(struct segment_info)); + } + + /* check continuity */ + for (i = 0; i < dev_info->num_of_segments - 1; i++) { + if ((sort_list[i].end + 1) != sort_list[i+1].start) { + PRINT_ERR("Segment %s is not contiguous with " + "segment %s\n", + sort_list[i].segment_name, + sort_list[i+1].segment_name); + rc = -EINVAL; + goto out; + } + /* EN and EW are allowed in a block device */ + if (sort_list[i].segment_type != sort_list[i+1].segment_type) { + if (!(sort_list[i].segment_type & SEGMENT_EXCLUSIVE) || + (sort_list[i].segment_type == SEG_TYPE_ER) || + !(sort_list[i+1].segment_type & + SEGMENT_EXCLUSIVE) || + (sort_list[i+1].segment_type == SEG_TYPE_ER)) { + PRINT_ERR("Segment %s has different type from " + "segment %s\n", + sort_list[i].segment_name, + sort_list[i+1].segment_name); + rc = -EINVAL; + goto out; + } + } + } + rc = 0; +out: + kfree(sort_list); + return rc; +} + +/* + * Load a segment + */ +static int +dcssblk_load_segment(char *name, struct segment_info **seg_info) +{ + int rc; + + /* already loaded? */ + down_read(&dcssblk_devices_sem); + *seg_info = dcssblk_get_segment_by_name(name); + up_read(&dcssblk_devices_sem); + if (*seg_info != NULL) + return -EEXIST; + + /* get a struct segment_info */ + *seg_info = kzalloc(sizeof(struct segment_info), GFP_KERNEL); + if (*seg_info == NULL) + return -ENOMEM; + + strcpy((*seg_info)->segment_name, name); + + /* load the segment */ + rc = segment_load(name, SEGMENT_SHARED, + &(*seg_info)->start, &(*seg_info)->end); + if (rc < 0) { + segment_warning(rc, (*seg_info)->segment_name); + kfree(*seg_info); + } else { + INIT_LIST_HEAD(&(*seg_info)->lh); + (*seg_info)->segment_type = rc; + } + return rc; +} + static void dcssblk_unregister_callback(struct device *dev) { device_unregister(dev); @@ -165,6 +348,7 @@ static ssize_t dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count) { struct dcssblk_dev_info *dev_info; + struct segment_info *entry, *temp; int rc; if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) @@ -172,46 +356,46 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch down_write(&dcssblk_devices_sem); dev_info = container_of(dev, struct dcssblk_dev_info, dev); if (atomic_read(&dev_info->use_count)) { - PRINT_ERR("share: segment %s is busy!\n", - dev_info->segment_name); rc = -EBUSY; goto out; } if (inbuf[0] == '1') { - // reload segment in shared mode - rc = segment_modify_shared(dev_info->segment_name, - SEGMENT_SHARED); - if (rc < 0) { - BUG_ON(rc == -EINVAL); - if (rc != -EAGAIN) - goto removeseg; - } else { - dev_info->is_shared = 1; - switch (dev_info->segment_type) { - case SEG_TYPE_SR: - case SEG_TYPE_ER: - case SEG_TYPE_SC: - set_disk_ro(dev_info->gd,1); + /* reload segments in shared mode */ + list_for_each_entry(entry, &dev_info->seg_list, lh) { + rc = segment_modify_shared(entry->segment_name, + SEGMENT_SHARED); + if (rc < 0) { + BUG_ON(rc == -EINVAL); + if (rc != -EAGAIN) + goto removeseg; } } + dev_info->is_shared = 1; + switch (dev_info->segment_type) { + case SEG_TYPE_SR: + case SEG_TYPE_ER: + case SEG_TYPE_SC: + set_disk_ro(dev_info->gd, 1); + } } else if (inbuf[0] == '0') { - // reload segment in exclusive mode + /* reload segments in exclusive mode */ if (dev_info->segment_type == SEG_TYPE_SC) { PRINT_ERR("Segment type SC (%s) cannot be loaded in " - "non-shared mode\n", dev_info->segment_name); + "non-shared mode\n", dev_info->segment_name); rc = -EINVAL; goto out; } - rc = segment_modify_shared(dev_info->segment_name, - SEGMENT_EXCLUSIVE); - if (rc < 0) { - BUG_ON(rc == -EINVAL); - if (rc != -EAGAIN) - goto removeseg; - } else { - dev_info->is_shared = 0; - set_disk_ro(dev_info->gd, 0); + list_for_each_entry(entry, &dev_info->seg_list, lh) { + rc = segment_modify_shared(entry->segment_name, + SEGMENT_EXCLUSIVE); + if (rc < 0) { + BUG_ON(rc == -EINVAL); + if (rc != -EAGAIN) + goto removeseg; + } } + dev_info->is_shared = 0; + set_disk_ro(dev_info->gd, 0); } else { rc = -EINVAL; goto out; @@ -220,8 +404,14 @@ dcssblk_shared_store(struct device *dev, struct device_attribute *attr, const ch goto out; removeseg: - PRINT_ERR("Could not reload segment %s, removing it now!\n", - dev_info->segment_name); + PRINT_ERR("Could not reload segment(s) of the device %s, removing " + "segment(s) now!\n", + dev_info->segment_name); + temp = entry; + list_for_each_entry(entry, &dev_info->seg_list, lh) { + if (entry != temp) + segment_unload(entry->segment_name); + } list_del(&dev_info->lh); del_gendisk(dev_info->gd); @@ -254,6 +444,7 @@ static ssize_t dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char *inbuf, size_t count) { struct dcssblk_dev_info *dev_info; + struct segment_info *entry; if ((count > 1) && (inbuf[1] != '\n') && (inbuf[1] != '\0')) return -EINVAL; @@ -263,14 +454,16 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char if (inbuf[0] == '1') { if (atomic_read(&dev_info->use_count) == 0) { // device is idle => we save immediately - PRINT_INFO("Saving segment %s\n", + PRINT_INFO("Saving segment(s) of the device %s\n", dev_info->segment_name); - segment_save(dev_info->segment_name); + list_for_each_entry(entry, &dev_info->seg_list, lh) { + segment_save(entry->segment_name); + } } else { // device is busy => we save it when it becomes // idle in dcssblk_release - PRINT_INFO("Segment %s is currently busy, it will " - "be saved when it becomes idle...\n", + PRINT_INFO("Device %s is currently busy, segment(s) " + "will be saved when it becomes idle...\n", dev_info->segment_name); dev_info->save_pending = 1; } @@ -279,7 +472,8 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char // device is busy & the user wants to undo his save // request dev_info->save_pending = 0; - PRINT_INFO("Pending save for segment %s deactivated\n", + PRINT_INFO("Pending save for segment(s) of the device " + "%s deactivated\n", dev_info->segment_name); } } else { @@ -290,67 +484,124 @@ dcssblk_save_store(struct device *dev, struct device_attribute *attr, const char return count; } +/* + * device attribute for showing all segments in a device + */ +static ssize_t +dcssblk_seglist_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int i; + + struct dcssblk_dev_info *dev_info; + struct segment_info *entry; + + down_read(&dcssblk_devices_sem); + dev_info = container_of(dev, struct dcssblk_dev_info, dev); + i = 0; + buf[0] = '\0'; + list_for_each_entry(entry, &dev_info->seg_list, lh) { + strcpy(&buf[i], entry->segment_name); + i += strlen(entry->segment_name); + buf[i] = '\n'; + i++; + } + up_read(&dcssblk_devices_sem); + return i; +} + /* * device attribute for adding devices */ static ssize_t dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - int rc, i; + int rc, i, j, num_of_segments; struct dcssblk_dev_info *dev_info; + struct segment_info *seg_info, *temp; char *local_buf; unsigned long seg_byte_size; dev_info = NULL; + seg_info = NULL; if (dev != dcssblk_root_dev) { rc = -EINVAL; goto out_nobuf; } + if ((count < 1) || (buf[0] == '\0') || (buf[0] == '\n')) { + rc = -ENAMETOOLONG; + goto out_nobuf; + } + local_buf = kmalloc(count + 1, GFP_KERNEL); if (local_buf == NULL) { rc = -ENOMEM; goto out_nobuf; } + /* * parse input */ + num_of_segments = 0; for (i = 0; ((buf[i] != '\0') && (buf[i] != '\n') && i < count); i++) { - local_buf[i] = toupper(buf[i]); + for (j = i; (buf[j] != ':') && + (buf[j] != '\0') && + (buf[j] != '\n') && + j < count; j++) { + local_buf[j-i] = toupper(buf[j]); + } + local_buf[j-i] = '\0'; + if (((j - i) == 0) || ((j - i) > 8)) { + rc = -ENAMETOOLONG; + goto seg_list_del; + } + + rc = dcssblk_load_segment(local_buf, &seg_info); + if (rc < 0) + goto seg_list_del; + /* + * get a struct dcssblk_dev_info + */ + if (num_of_segments == 0) { + dev_info = kzalloc(sizeof(struct dcssblk_dev_info), + GFP_KERNEL); + if (dev_info == NULL) { + rc = -ENOMEM; + goto out; + } + strcpy(dev_info->segment_name, local_buf); + dev_info->segment_type = seg_info->segment_type; + INIT_LIST_HEAD(&dev_info->seg_list); + } + list_add_tail(&seg_info->lh, &dev_info->seg_list); + num_of_segments++; + i = j; + + if ((buf[j] == '\0') || (buf[j] == '\n')) + break; } - local_buf[i] = '\0'; - if ((i == 0) || (i > 8)) { + + /* no trailing colon at the end of the input */ + if ((i > 0) && (buf[i-1] == ':')) { rc = -ENAMETOOLONG; - goto out; - } - /* - * already loaded? - */ - down_read(&dcssblk_devices_sem); - dev_info = dcssblk_get_device_by_name(local_buf); - up_read(&dcssblk_devices_sem); - if (dev_info != NULL) { - PRINT_WARN("Segment %s already loaded!\n", local_buf); - rc = -EEXIST; - goto out; - } - /* - * get a struct dcssblk_dev_info - */ - dev_info = kzalloc(sizeof(struct dcssblk_dev_info), GFP_KERNEL); - if (dev_info == NULL) { - rc = -ENOMEM; - goto out; + goto seg_list_del; } + strlcpy(local_buf, buf, i + 1); + dev_info->num_of_segments = num_of_segments; + rc = dcssblk_is_continuous(dev_info); + if (rc < 0) + goto seg_list_del; + + dev_info->start = dcssblk_find_lowest_addr(dev_info); + dev_info->end = dcssblk_find_highest_addr(dev_info); - strcpy(dev_info->segment_name, local_buf); - dev_set_name(&dev_info->dev, local_buf); + dev_set_name(&dev_info->dev, dev_info->segment_name); dev_info->dev.release = dcssblk_release_segment; INIT_LIST_HEAD(&dev_info->lh); - dev_info->gd = alloc_disk(DCSSBLK_MINORS_PER_DISK); if (dev_info->gd == NULL) { rc = -ENOMEM; - goto free_dev_info; + goto seg_list_del; } dev_info->gd->major = dcssblk_major; dev_info->gd->fops = &dcssblk_devops; @@ -360,65 +611,52 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char dev_info->gd->driverfs_dev = &dev_info->dev; blk_queue_make_request(dev_info->dcssblk_queue, dcssblk_make_request); blk_queue_hardsect_size(dev_info->dcssblk_queue, 4096); - /* - * load the segment - */ - rc = segment_load(local_buf, SEGMENT_SHARED, - &dev_info->start, &dev_info->end); - if (rc < 0) { - segment_warning(rc, dev_info->segment_name); - goto dealloc_gendisk; - } + seg_byte_size = (dev_info->end - dev_info->start + 1); set_capacity(dev_info->gd, seg_byte_size >> 9); // size in sectors - PRINT_INFO("Loaded segment %s, size = %lu Byte, " + PRINT_INFO("Loaded segment(s) %s, size = %lu Byte, " "capacity = %lu (512 Byte) sectors\n", local_buf, seg_byte_size, seg_byte_size >> 9); - dev_info->segment_type = rc; dev_info->save_pending = 0; dev_info->is_shared = 1; dev_info->dev.parent = dcssblk_root_dev; /* - * get minor, add to list + *get minor, add to list */ down_write(&dcssblk_devices_sem); - if (dcssblk_get_device_by_name(local_buf)) { - up_write(&dcssblk_devices_sem); + if (dcssblk_get_segment_by_name(local_buf)) { rc = -EEXIST; - goto unload_seg; + goto release_gd; } rc = dcssblk_assign_free_minor(dev_info); - if (rc) { - up_write(&dcssblk_devices_sem); - PRINT_ERR("No free minor number available! " - "Unloading segment...\n"); - goto unload_seg; - } + if (rc) + goto release_gd; sprintf(dev_info->gd->disk_name, "dcssblk%d", MINOR(disk_devt(dev_info->gd))); list_add_tail(&dev_info->lh, &dcssblk_devices); if (!try_module_get(THIS_MODULE)) { rc = -ENODEV; - goto list_del; + goto dev_list_del; } /* * register the device */ rc = device_register(&dev_info->dev); if (rc) { - PRINT_ERR("Segment %s could not be registered RC=%d\n", - local_buf, rc); module_put(THIS_MODULE); - goto list_del; + goto dev_list_del; } get_device(&dev_info->dev); rc = device_create_file(&dev_info->dev, &dev_attr_shared); if (rc) goto unregister_dev; rc = device_create_file(&dev_info->dev, &dev_attr_save); + if (rc) + goto unregister_dev; + rc = device_create_file(&dev_info->dev, &dev_attr_seglist); if (rc) goto unregister_dev; @@ -434,7 +672,6 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char set_disk_ro(dev_info->gd,0); break; } - PRINT_DEBUG("Segment %s loaded successfully\n", local_buf); up_write(&dcssblk_devices_sem); rc = count; goto out; @@ -445,20 +682,27 @@ unregister_dev: dev_info->gd->queue = NULL; put_disk(dev_info->gd); device_unregister(&dev_info->dev); - segment_unload(dev_info->segment_name); + list_for_each_entry(seg_info, &dev_info->seg_list, lh) { + segment_unload(seg_info->segment_name); + } put_device(&dev_info->dev); up_write(&dcssblk_devices_sem); goto out; -list_del: +dev_list_del: list_del(&dev_info->lh); - up_write(&dcssblk_devices_sem); -unload_seg: - segment_unload(local_buf); -dealloc_gendisk: +release_gd: blk_cleanup_queue(dev_info->dcssblk_queue); dev_info->gd->queue = NULL; put_disk(dev_info->gd); -free_dev_info: + up_write(&dcssblk_devices_sem); +seg_list_del: + if (dev_info == NULL) + goto out; + list_for_each_entry_safe(seg_info, temp, &dev_info->seg_list, lh) { + list_del(&seg_info->lh); + segment_unload(seg_info->segment_name); + kfree(seg_info); + } kfree(dev_info); out: kfree(local_buf); @@ -473,6 +717,7 @@ static ssize_t dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dcssblk_dev_info *dev_info; + struct segment_info *entry; int rc, i; char *local_buf; @@ -499,26 +744,28 @@ dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const ch dev_info = dcssblk_get_device_by_name(local_buf); if (dev_info == NULL) { up_write(&dcssblk_devices_sem); - PRINT_WARN("Segment %s is not loaded!\n", local_buf); + PRINT_WARN("Device %s is not loaded!\n", local_buf); rc = -ENODEV; goto out_buf; } if (atomic_read(&dev_info->use_count) != 0) { up_write(&dcssblk_devices_sem); - PRINT_WARN("Segment %s is in use!\n", local_buf); + PRINT_WARN("Device %s is in use!\n", local_buf); rc = -EBUSY; goto out_buf; } - list_del(&dev_info->lh); + list_del(&dev_info->lh); del_gendisk(dev_info->gd); blk_cleanup_queue(dev_info->dcssblk_queue); dev_info->gd->queue = NULL; put_disk(dev_info->gd); device_unregister(&dev_info->dev); - segment_unload(dev_info->segment_name); - PRINT_DEBUG("Segment %s unloaded successfully\n", - dev_info->segment_name); + + /* unload all related segments */ + list_for_each_entry(entry, &dev_info->seg_list, lh) + segment_unload(entry->segment_name); + put_device(&dev_info->dev); up_write(&dcssblk_devices_sem); @@ -550,6 +797,7 @@ static int dcssblk_release(struct inode *inode, struct file *filp) { struct dcssblk_dev_info *dev_info; + struct segment_info *entry; int rc; dev_info = inode->i_bdev->bd_disk->private_data; @@ -560,9 +808,11 @@ dcssblk_release(struct inode *inode, struct file *filp) down_write(&dcssblk_devices_sem); if (atomic_dec_and_test(&dev_info->use_count) && (dev_info->save_pending)) { - PRINT_INFO("Segment %s became idle and is being saved now\n", + PRINT_INFO("Device %s became idle and is being saved now\n", dev_info->segment_name); - segment_save(dev_info->segment_name); + list_for_each_entry(entry, &dev_info->seg_list, lh) { + segment_save(entry->segment_name); + } dev_info->save_pending = 0; } up_write(&dcssblk_devices_sem); @@ -602,7 +852,7 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) case SEG_TYPE_SC: /* cannot write to these segments */ if (bio_data_dir(bio) == WRITE) { - PRINT_WARN("rejecting write to ro segment %s\n", + PRINT_WARN("rejecting write to ro device %s\n", dev_name(&dev_info->dev)); goto fail; } @@ -658,7 +908,7 @@ static void dcssblk_check_params(void) { int rc, i, j, k; - char buf[9]; + char buf[DCSSBLK_PARM_LEN + 1]; struct dcssblk_dev_info *dev_info; for (i = 0; (i < DCSSBLK_PARM_LEN) && (dcssblk_segments[i] != '\0'); @@ -666,15 +916,16 @@ dcssblk_check_params(void) for (j = i; (dcssblk_segments[j] != ',') && (dcssblk_segments[j] != '\0') && (dcssblk_segments[j] != '(') && - (j - i) < 8; j++) + (j < DCSSBLK_PARM_LEN); j++) { buf[j-i] = dcssblk_segments[j]; } buf[j-i] = '\0'; rc = dcssblk_add_store(dcssblk_root_dev, NULL, buf, j-i); if ((rc >= 0) && (dcssblk_segments[j] == '(')) { - for (k = 0; buf[k] != '\0'; k++) + for (k = 0; (buf[k] != ':') && (buf[k] != '\0'); k++) buf[k] = toupper(buf[k]); + buf[k] = '\0'; if (!strncmp(&dcssblk_segments[j], "(local)", 7)) { down_read(&dcssblk_devices_sem); dev_info = dcssblk_get_device_by_name(buf); @@ -741,10 +992,12 @@ module_exit(dcssblk_exit); module_param_string(segments, dcssblk_segments, DCSSBLK_PARM_LEN, 0444); MODULE_PARM_DESC(segments, "Name of DCSS segment(s) to be loaded, " - "comma-separated list, each name max. 8 chars.\n" - "Adding \"(local)\" to segment name equals echoing 0 to " - "/sys/devices/dcssblk//shared after loading " - "the segment - \n" - "e.g. segments=\"mydcss1,mydcss2,mydcss3(local)\""); + "comma-separated list, names in each set separated " + "by commas are separated by colons, each set contains " + "names of contiguous segments and each name max. 8 chars.\n" + "Adding \"(local)\" to the end of each set equals echoing 0 " + "to /sys/devices/dcssblk//shared after loading " + "the contiguous segments - \n" + "e.g. segments=\"mydcss1,mydcss2:mydcss3,mydcss4(local)\""); MODULE_LICENSE("GPL"); -- GitLab From 5a0d0e65379256b4da2c9092e197a2c761f51c01 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 10 Oct 2008 21:33:22 +0200 Subject: [PATCH 3524/6244] [S390] Move private simple udelay function to arch/s390/lib/delay.c. Move cio's private simple udelay function to lib/delay.c and turn it into something much more readable. So we have all implementations at one place. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/delay.h | 1 + arch/s390/lib/delay.c | 13 +++++++++++++ drivers/s390/cio/cio.c | 17 ++--------------- 3 files changed, 16 insertions(+), 15 deletions(-) diff --git a/arch/s390/include/asm/delay.h b/arch/s390/include/asm/delay.h index 78357314c450..a356c958e260 100644 --- a/arch/s390/include/asm/delay.h +++ b/arch/s390/include/asm/delay.h @@ -15,6 +15,7 @@ #define _S390_DELAY_H extern void __udelay(unsigned long usecs); +extern void udelay_simple(unsigned long usecs); extern void __delay(unsigned long loops); #define udelay(n) __udelay(n) diff --git a/arch/s390/lib/delay.c b/arch/s390/lib/delay.c index 0953cee05efc..6ccb9fab055a 100644 --- a/arch/s390/lib/delay.c +++ b/arch/s390/lib/delay.c @@ -92,3 +92,16 @@ out: local_irq_restore(flags); preempt_enable(); } + +/* + * Simple udelay variant. To be used on startup and reboot + * when the interrupt handler isn't working. + */ +void udelay_simple(unsigned long usecs) +{ + u64 end; + + end = get_clock() + ((u64) usecs << 12); + while (get_clock() < end) + cpu_relax(); +} diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index c0cb72547256..3db2c386546f 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -859,19 +859,6 @@ __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) return -EBUSY; /* uhm... */ } -/* we can't use the normal udelay here, since it enables external interrupts */ - -static void udelay_reset(unsigned long usecs) -{ - uint64_t start_cc, end_cc; - - asm volatile ("STCK %0" : "=m" (start_cc)); - do { - cpu_relax(); - asm volatile ("STCK %0" : "=m" (end_cc)); - } while (((end_cc - start_cc)/4096) < usecs); -} - static int __clear_io_subchannel_easy(struct subchannel_id schid) { @@ -887,7 +874,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid) if (schid_equal(&ti.schid, &schid)) return 0; } - udelay_reset(100); + udelay_simple(100); } return -EBUSY; } @@ -895,7 +882,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid) static void __clear_chsc_subchannel_easy(void) { /* It seems we can only wait for a bit here :/ */ - udelay_reset(100); + udelay_simple(100); } static int pgm_check_occured; -- GitLab From ada3df9171e48b2a5f1e9c828337b61746e19ff0 Mon Sep 17 00:00:00 2001 From: Stefan Haberland Date: Fri, 10 Oct 2008 21:33:23 +0200 Subject: [PATCH 3525/6244] [S390] dasd: fix message flood for unsolicited interrupts In the unsolicited interupt handler fake IRBs from CIO have to be ignored because there is nothing to do. The function dump_sense should not be called if there is no sense data available. Signed-off-by: Stefan Haberland Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd_eckd.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 72d3970f11a4..8095629bc493 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1501,12 +1501,27 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device, return; } - /* just report other unsolicited interrupts */ - DEV_MESSAGE(KERN_DEBUG, device, "%s", - "unsolicited interrupt received"); - device->discipline->dump_sense(device, NULL, irb); - dasd_schedule_device_bh(device); + if ((irb->scsw.cmd.cc == 1) && + (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) && + (irb->scsw.cmd.actl & SCSW_ACTL_START_PEND) && + (irb->scsw.cmd.stctl & SCSW_STCTL_STATUS_PEND)) { + /* fake irb do nothing, they are handled elsewhere */ + dasd_schedule_device_bh(device); + return; + } + if (!(irb->esw.esw0.erw.cons)) { + /* just report other unsolicited interrupts */ + DEV_MESSAGE(KERN_ERR, device, "%s", + "unsolicited interrupt received"); + } else { + DEV_MESSAGE(KERN_ERR, device, "%s", + "unsolicited interrupt received " + "(sense available)"); + device->discipline->dump_sense(device, NULL, irb); + } + + dasd_schedule_device_bh(device); return; }; -- GitLab From 3ce66093f5ec5a6ae0ca90c79d81eee15e842293 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 10 Oct 2008 21:33:24 +0200 Subject: [PATCH 3526/6244] [S390] xpram: per device block request queues. The xpram driver uses a single block device queue for all of its devices so far. With recent kernels removing xpram module fails to clean up all sysfs files. The next time the xpram module is loaded you'll get warnings: WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x5e/0x64() sysfs: duplicate filename '35:0' can not be created Modules linked in: xpram(+) [last unloaded: xpram] Followed by the usual WARN_ON output, followed by an error message from kobject_add_internal, followed by a badness in genhd. Allocating a block queue per device fixes this. Signed-off-by: Martin Schwidefsky --- drivers/s390/block/xpram.c | 37 +++++++++++++++---------------------- 1 file changed, 15 insertions(+), 22 deletions(-) diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index dd9b986389a2..03916989ed2d 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -56,6 +56,7 @@ typedef struct { static xpram_device_t xpram_devices[XPRAM_MAX_DEVS]; static unsigned int xpram_sizes[XPRAM_MAX_DEVS]; static struct gendisk *xpram_disks[XPRAM_MAX_DEVS]; +static struct request_queue *xpram_queues[XPRAM_MAX_DEVS]; static unsigned int xpram_pages; static int xpram_devs; @@ -330,18 +331,22 @@ static int __init xpram_setup_sizes(unsigned long pages) return 0; } -static struct request_queue *xpram_queue; - static int __init xpram_setup_blkdev(void) { unsigned long offset; int i, rc = -ENOMEM; for (i = 0; i < xpram_devs; i++) { - struct gendisk *disk = alloc_disk(1); - if (!disk) + xpram_disks[i] = alloc_disk(1); + if (!xpram_disks[i]) + goto out; + xpram_queues[i] = blk_alloc_queue(GFP_KERNEL); + if (!xpram_queues[i]) { + put_disk(xpram_disks[i]); goto out; - xpram_disks[i] = disk; + } + blk_queue_make_request(xpram_queues[i], xpram_make_request); + blk_queue_hardsect_size(xpram_queues[i], 4096); } /* @@ -351,18 +356,6 @@ static int __init xpram_setup_blkdev(void) if (rc < 0) goto out; - /* - * Assign the other needed values: make request function, sizes and - * hardsect size. All the minor devices feature the same value. - */ - xpram_queue = blk_alloc_queue(GFP_KERNEL); - if (!xpram_queue) { - rc = -ENOMEM; - goto out_unreg; - } - blk_queue_make_request(xpram_queue, xpram_make_request); - blk_queue_hardsect_size(xpram_queue, 4096); - /* * Setup device structures. */ @@ -377,18 +370,18 @@ static int __init xpram_setup_blkdev(void) disk->first_minor = i; disk->fops = &xpram_devops; disk->private_data = &xpram_devices[i]; - disk->queue = xpram_queue; + disk->queue = xpram_queues[i]; sprintf(disk->disk_name, "slram%d", i); set_capacity(disk, xpram_sizes[i] << 1); add_disk(disk); } return 0; -out_unreg: - unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME); out: - while (i--) + while (i--) { + blk_cleanup_queue(xpram_queues[i]); put_disk(xpram_disks[i]); + } return rc; } @@ -400,10 +393,10 @@ static void __exit xpram_exit(void) int i; for (i = 0; i < xpram_devs; i++) { del_gendisk(xpram_disks[i]); + blk_cleanup_queue(xpram_queues[i]); put_disk(xpram_disks[i]); } unregister_blkdev(XPRAM_MAJOR, XPRAM_NAME); - blk_cleanup_queue(xpram_queue); } static int __init xpram_init(void) -- GitLab From ab1d848fd6a9151b02c6cbf4bddce6e24707b094 Mon Sep 17 00:00:00 2001 From: Nigel Hislop Date: Fri, 10 Oct 2008 21:33:25 +0200 Subject: [PATCH 3527/6244] [S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O EMC Symmetrix Subsystem Control I/O through CKD dasd requires a specific parameter list sent to the array via a Perform Subsystem Function CCW. The Symmetrix response is retrieved from the array via a Read Subsystem Data CCW. Signed-off-by: Nigel Hislop Signed-off-by: Hannes Reinecke Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/dasd.h | 13 +++++ drivers/s390/block/dasd_eckd.c | 101 +++++++++++++++++++++++++++++++++ 2 files changed, 114 insertions(+) diff --git a/arch/s390/include/asm/dasd.h b/arch/s390/include/asm/dasd.h index 3f002e13d024..55b2b80cdf6e 100644 --- a/arch/s390/include/asm/dasd.h +++ b/arch/s390/include/asm/dasd.h @@ -3,6 +3,8 @@ * Author(s)......: Holger Smolinski * Bugreports.to..: * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 + * EMC Symmetrix ioctl Copyright EMC Corporation, 2008 + * Author.........: Nigel Hislop * * This file is the interface of the DASD device driver, which is exported to user space * any future changes wrt the API will result in a change of the APIVERSION reported @@ -202,6 +204,16 @@ typedef struct attrib_data_t { #define DASD_SEQ_PRESTAGE 0x4 #define DASD_REC_ACCESS 0x5 +/* + * Perform EMC Symmetrix I/O + */ +typedef struct dasd_symmio_parms { + unsigned char reserved[8]; /* compat with older releases */ + unsigned long long psf_data; /* char * cast to u64 */ + unsigned long long rssd_result; /* char * cast to u64 */ + int psf_data_len; + int rssd_result_len; +} __attribute__ ((packed)) dasd_symmio_parms_t; /******************************************************************************** * SECTION: Definition of IOCTLs @@ -247,6 +259,7 @@ typedef struct attrib_data_t { /* Set Attributes (cache operations) */ #define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t) +#define BIODASDSYMMIO _IOWR(DASD_IOCTL_LETTER, 240, dasd_symmio_parms_t) #endif /* DASD_H */ diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 8095629bc493..49f9d221e23d 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -6,6 +6,8 @@ * Martin Schwidefsky * Bugreports.to..: * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000 + * EMC Symmetrix ioctl Copyright EMC Corporation, 2008 + * Author.........: Nigel Hislop * */ @@ -2083,6 +2085,103 @@ dasd_eckd_set_attrib(struct dasd_device *device, void __user *argp) return 0; } +/* + * Issue syscall I/O to EMC Symmetrix array. + * CCWs are PSF and RSSD + */ +static int dasd_symm_io(struct dasd_device *device, void __user *argp) +{ + struct dasd_symmio_parms usrparm; + char *psf_data, *rssd_result; + struct dasd_ccw_req *cqr; + struct ccw1 *ccw; + int rc; + + /* Copy parms from caller */ + rc = -EFAULT; + if (copy_from_user(&usrparm, argp, sizeof(usrparm))) + goto out; +#ifndef CONFIG_64BIT + /* Make sure pointers are sane even on 31 bit. */ + if ((usrparm.psf_data >> 32) != 0 || (usrparm.rssd_result >> 32) != 0) { + rc = -EINVAL; + goto out; + } +#endif + /* alloc I/O data area */ + psf_data = kzalloc(usrparm.psf_data_len, GFP_KERNEL | GFP_DMA); + rssd_result = kzalloc(usrparm.rssd_result_len, GFP_KERNEL | GFP_DMA); + if (!psf_data || !rssd_result) { + rc = -ENOMEM; + goto out_free; + } + + /* get syscall header from user space */ + rc = -EFAULT; + if (copy_from_user(psf_data, + (void __user *)(unsigned long) usrparm.psf_data, + usrparm.psf_data_len)) + goto out_free; + + /* sanity check on syscall header */ + if (psf_data[0] != 0x17 && psf_data[1] != 0xce) { + rc = -EINVAL; + goto out_free; + } + + /* setup CCWs for PSF + RSSD */ + cqr = dasd_smalloc_request("ECKD", 2 , 0, device); + if (IS_ERR(cqr)) { + DEV_MESSAGE(KERN_WARNING, device, "%s", + "Could not allocate initialization request"); + rc = PTR_ERR(cqr); + goto out_free; + } + + cqr->startdev = device; + cqr->memdev = device; + cqr->retries = 3; + cqr->expires = 10 * HZ; + cqr->buildclk = get_clock(); + cqr->status = DASD_CQR_FILLED; + + /* Build the ccws */ + ccw = cqr->cpaddr; + + /* PSF ccw */ + ccw->cmd_code = DASD_ECKD_CCW_PSF; + ccw->count = usrparm.psf_data_len; + ccw->flags |= CCW_FLAG_CC; + ccw->cda = (__u32)(addr_t) psf_data; + + ccw++; + + /* RSSD ccw */ + ccw->cmd_code = DASD_ECKD_CCW_RSSD; + ccw->count = usrparm.rssd_result_len; + ccw->flags = CCW_FLAG_SLI ; + ccw->cda = (__u32)(addr_t) rssd_result; + + rc = dasd_sleep_on(cqr); + if (rc) + goto out_sfree; + + rc = -EFAULT; + if (copy_to_user((void __user *)(unsigned long) usrparm.rssd_result, + rssd_result, usrparm.rssd_result_len)) + goto out_sfree; + rc = 0; + +out_sfree: + dasd_sfree_request(cqr, cqr->memdev); +out_free: + kfree(rssd_result); + kfree(psf_data); +out: + DBF_DEV_EVENT(DBF_WARNING, device, "Symmetrix ioctl: rc=%d", rc); + return rc; +} + static int dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp) { @@ -2101,6 +2200,8 @@ dasd_eckd_ioctl(struct dasd_block *block, unsigned int cmd, void __user *argp) return dasd_eckd_reserve(device); case BIODASDSLCK: return dasd_eckd_steal_lock(device); + case BIODASDSYMMIO: + return dasd_symm_io(device, argp); default: return -ENOIOCTLCMD; } -- GitLab From 15e86b0c752d50e910b2cca6e83ce74c4440d06c Mon Sep 17 00:00:00 2001 From: Florian Funke Date: Fri, 10 Oct 2008 21:33:26 +0200 Subject: [PATCH 3528/6244] [S390] introduce dirty bit for kvm live migration This patch defines a dirty bit in the PGSTE that can be used to implement dirty pages logging for KVM's live migration. The bit is set in the ptep_rcp_copy function, which is called to save dirty and referenced information from the storage key in the PGSTE. The bit can be tested and reset by KVM using the kvm_s390_test_and_clear_page_dirty function that is introduced by this patch. Acked-by: Carsten Otte Signed-off-by: Florian Funke Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/pgtable.h | 45 +++++++++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 0bdb704ae051..1a928f84afd6 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -281,6 +281,9 @@ extern char empty_zero_page[PAGE_SIZE]; #define RCP_GR_BIT 50 #define RCP_GC_BIT 49 +/* User dirty bit for KVM's migration feature */ +#define KVM_UD_BIT 47 + #ifndef __s390x__ /* Bits in the segment table address-space-control-element */ @@ -575,12 +578,16 @@ static inline void ptep_rcp_copy(pte_t *ptep) unsigned long *pgste = (unsigned long *) (ptep + PTRS_PER_PTE); skey = page_get_storage_key(page_to_phys(page)); - if (skey & _PAGE_CHANGED) + if (skey & _PAGE_CHANGED) { set_bit_simple(RCP_GC_BIT, pgste); + set_bit_simple(KVM_UD_BIT, pgste); + } if (skey & _PAGE_REFERENCED) set_bit_simple(RCP_GR_BIT, pgste); - if (test_and_clear_bit_simple(RCP_HC_BIT, pgste)) + if (test_and_clear_bit_simple(RCP_HC_BIT, pgste)) { SetPageDirty(page); + set_bit_simple(KVM_UD_BIT, pgste); + } if (test_and_clear_bit_simple(RCP_HR_BIT, pgste)) SetPageReferenced(page); #endif @@ -744,6 +751,40 @@ static inline pte_t pte_mkspecial(pte_t pte) return pte; } +#ifdef CONFIG_PGSTE +/* + * Get (and clear) the user dirty bit for a PTE. + */ +static inline int kvm_s390_test_and_clear_page_dirty(struct mm_struct *mm, + pte_t *ptep) +{ + int dirty; + unsigned long *pgste; + struct page *page; + unsigned int skey; + + if (!mm->context.pgstes) + return -EINVAL; + rcp_lock(ptep); + pgste = (unsigned long *) (ptep + PTRS_PER_PTE); + page = virt_to_page(pte_val(*ptep)); + skey = page_get_storage_key(page_to_phys(page)); + if (skey & _PAGE_CHANGED) { + set_bit_simple(RCP_GC_BIT, pgste); + set_bit_simple(KVM_UD_BIT, pgste); + } + if (test_and_clear_bit_simple(RCP_HC_BIT, pgste)) { + SetPageDirty(page); + set_bit_simple(KVM_UD_BIT, pgste); + } + dirty = test_and_clear_bit_simple(KVM_UD_BIT, pgste); + if (skey & _PAGE_CHANGED) + page_clear_dirty(page); + rcp_unlock(ptep); + return dirty; +} +#endif + #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) -- GitLab From 2332ce1a97963b7769e0c2d40492a10a124efba5 Mon Sep 17 00:00:00 2001 From: Holger Smolinski Date: Fri, 10 Oct 2008 21:33:27 +0200 Subject: [PATCH 3529/6244] [S390] console flush on panic / reboot The s390 console drivers use the unblank callback of the console structure to flush the console buffer. In case of a panic or a reboot the CPU doing the callback can block on the console i/o. The other CPUs in the system continue to work. For panic this is not a good idea. Replace the unblank callback with proper panic/reboot notifier. These get called after all but one CPU have been stopped. Signed-off-by: Holger Smolinski Signed-off-by: Martin Schwidefsky --- drivers/s390/char/con3215.c | 27 +++++++++++++++++++++++---- drivers/s390/char/con3270.c | 27 +++++++++++++++++++++++---- drivers/s390/char/sclp_con.c | 24 ++++++++++++++++++++++-- drivers/s390/char/sclp_vt220.c | 26 ++++++++++++++++++-------- 4 files changed, 86 insertions(+), 18 deletions(-) diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index d3ec9b55ab35..982cf62ab66d 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -775,11 +776,11 @@ static struct tty_driver *con3215_device(struct console *c, int *index) } /* - * panic() calls console_unblank before the system enters a - * disabled, endless loop. + * panic() calls con3215_flush through a panic_notifier + * before the system enters a disabled, endless loop. */ static void -con3215_unblank(void) +con3215_flush(void) { struct raw3215_info *raw; unsigned long flags; @@ -790,6 +791,23 @@ con3215_unblank(void) spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); } +static int con3215_notify(struct notifier_block *self, + unsigned long event, void *data) +{ + con3215_flush(); + return NOTIFY_OK; +} + +static struct notifier_block on_panic_nb = { + .notifier_call = con3215_notify, + .priority = 0, +}; + +static struct notifier_block on_reboot_nb = { + .notifier_call = con3215_notify, + .priority = 0, +}; + /* * The console structure for the 3215 console */ @@ -797,7 +815,6 @@ static struct console con3215 = { .name = "ttyS", .write = con3215_write, .device = con3215_device, - .unblank = con3215_unblank, .flags = CON_PRINTBUFFER, }; @@ -859,6 +876,8 @@ con3215_init(void) raw3215[0] = NULL; return -ENODEV; } + atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb); + register_reboot_notifier(&on_reboot_nb); register_console(&con3215); return 0; } diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index 3c07974886ed..d028d2ee83dd 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -528,11 +529,11 @@ con3270_wait_write(struct con3270 *cp) } /* - * panic() calls console_unblank before the system enters a - * disabled, endless loop. + * panic() calls con3270_flush through a panic_notifier + * before the system enters a disabled, endless loop. */ static void -con3270_unblank(void) +con3270_flush(void) { struct con3270 *cp; unsigned long flags; @@ -554,6 +555,23 @@ con3270_unblank(void) spin_unlock_irqrestore(&cp->view.lock, flags); } +static int con3270_notify(struct notifier_block *self, + unsigned long event, void *data) +{ + con3270_flush(); + return NOTIFY_OK; +} + +static struct notifier_block on_panic_nb = { + .notifier_call = con3270_notify, + .priority = 0, +}; + +static struct notifier_block on_reboot_nb = { + .notifier_call = con3270_notify, + .priority = 0, +}; + /* * The console structure for the 3270 console */ @@ -561,7 +579,6 @@ static struct console con3270 = { .name = "tty3270", .write = con3270_write, .device = con3270_device, - .unblank = con3270_unblank, .flags = CON_PRINTBUFFER, }; @@ -623,6 +640,8 @@ con3270_init(void) condev->cline->len = 0; con3270_create_status(condev); condev->input = alloc_string(&condev->freemem, 80); + atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb); + register_reboot_notifier(&on_reboot_nb); register_console(&con3270); return 0; } diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c index 7e619c534bf4..9a25c4bd1421 100644 --- a/drivers/s390/char/sclp_con.c +++ b/drivers/s390/char/sclp_con.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "sclp.h" #include "sclp_rw.h" @@ -172,7 +173,7 @@ sclp_console_device(struct console *c, int *index) * will be flushed to the SCLP. */ static void -sclp_console_unblank(void) +sclp_console_flush(void) { unsigned long flags; @@ -188,6 +189,24 @@ sclp_console_unblank(void) spin_unlock_irqrestore(&sclp_con_lock, flags); } +static int +sclp_console_notify(struct notifier_block *self, + unsigned long event, void *data) +{ + sclp_console_flush(); + return NOTIFY_OK; +} + +static struct notifier_block on_panic_nb = { + .notifier_call = sclp_console_notify, + .priority = 1, +}; + +static struct notifier_block on_reboot_nb = { + .notifier_call = sclp_console_notify, + .priority = 1, +}; + /* * used to register the SCLP console to the kernel and to * give printk necessary information @@ -197,7 +216,6 @@ static struct console sclp_console = .name = sclp_console_name, .write = sclp_console_write, .device = sclp_console_device, - .unblank = sclp_console_unblank, .flags = CON_PRINTBUFFER, .index = 0 /* ttyS0 */ }; @@ -241,6 +259,8 @@ sclp_console_init(void) sclp_con_width_htab = 8; /* enable printk-access to this driver */ + atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb); + register_reboot_notifier(&on_reboot_nb); register_console(&sclp_console); return 0; } diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index ad51738c4261..9854f19f5e62 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -24,6 +24,8 @@ #include #include #include +#include + #include #include "sclp.h" @@ -743,24 +745,30 @@ sclp_vt220_con_device(struct console *c, int *index) return sclp_vt220_driver; } -/* - * This routine is called from panic when the kernel is going to give up. - * We have to make sure that all buffers will be flushed to the SCLP. - * Note that this function may be called from within an interrupt context. - */ -static void -sclp_vt220_con_unblank(void) +static int +sclp_vt220_notify(struct notifier_block *self, + unsigned long event, void *data) { __sclp_vt220_flush_buffer(); + return NOTIFY_OK; } +static struct notifier_block on_panic_nb = { + .notifier_call = sclp_vt220_notify, + .priority = 1, +}; + +static struct notifier_block on_reboot_nb = { + .notifier_call = sclp_vt220_notify, + .priority = 1, +}; + /* Structure needed to register with printk */ static struct console sclp_vt220_console = { .name = SCLP_VT220_CONSOLE_NAME, .write = sclp_vt220_con_write, .device = sclp_vt220_con_device, - .unblank = sclp_vt220_con_unblank, .flags = CON_PRINTBUFFER, .index = SCLP_VT220_CONSOLE_INDEX }; @@ -776,6 +784,8 @@ sclp_vt220_con_init(void) if (rc) return rc; /* Attach linux console */ + atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb); + register_reboot_notifier(&on_reboot_nb); register_console(&sclp_vt220_console); return 0; } -- GitLab From 408aec3c6c3cb5b4774f96ea7a35cd15ee91a56f Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Fri, 10 Oct 2008 21:33:28 +0200 Subject: [PATCH 3530/6244] [S390] 3215: Remove tasklet. The 3215 console irq handler used to schedule a tasklet. However the console irq handler also gets called from the infamous cio_tpi() function. Which in turn does something like local_bh_disable() [call console irq handler] _local_bh_enable() _local_bh_enable() prevents execution of softirqs, which is intended within cio_tpi(). However there might be a new softirq pending because irq handler scheduled a tasklet. In order to prevent this behaviour we just get rid of the tasklet. It's not doing much anyway. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- drivers/s390/char/con3215.c | 26 ++++++-------------------- 1 file changed, 6 insertions(+), 20 deletions(-) diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 982cf62ab66d..9ab06e0dad40 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -89,7 +89,6 @@ struct raw3215_info { int count; /* number of bytes in output buffer */ int written; /* number of bytes in write requests */ struct tty_struct *tty; /* pointer to tty structure if present */ - struct tasklet_struct tasklet; struct raw3215_req *queued_read; /* pointer to queued read requests */ struct raw3215_req *queued_write;/* pointer to queued write requests */ wait_queue_head_t empty_wait; /* wait queue for flushing */ @@ -342,21 +341,14 @@ raw3215_try_io(struct raw3215_info *raw) } /* - * The bottom half handler routine for 3215 devices. It tries to start - * the next IO and wakes up processes waiting on the tty. + * Try to start the next IO and wake up processes waiting on the tty. */ -static void -raw3215_tasklet(void *data) +static void raw3215_next_io(struct raw3215_info *raw) { - struct raw3215_info *raw; struct tty_struct *tty; - unsigned long flags; - raw = (struct raw3215_info *) data; - spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); raw3215_mk_write_req(raw); raw3215_try_io(raw); - spin_unlock_irqrestore(get_ccwdev_lock(raw->cdev), flags); tty = raw->tty; if (tty != NULL && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) { @@ -381,7 +373,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) cstat = irb->scsw.cmd.cstat; dstat = irb->scsw.cmd.dstat; if (cstat != 0) - tasklet_schedule(&raw->tasklet); + raw3215_next_io(raw); if (dstat & 0x01) { /* we got a unit exception */ dstat &= ~0x01; /* we can ignore it */ } @@ -391,7 +383,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) break; /* Attention interrupt, someone hit the enter key */ raw3215_mk_read_req(raw); - tasklet_schedule(&raw->tasklet); + raw3215_next_io(raw); break; case 0x08: case 0x0C: @@ -449,7 +441,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) raw->queued_read == NULL) { wake_up_interruptible(&raw->empty_wait); } - tasklet_schedule(&raw->tasklet); + raw3215_next_io(raw); break; default: /* Strange interrupt, I'll do my best to clean up */ @@ -461,7 +453,7 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) raw->flags &= ~RAW3215_WORKING; raw3215_free_req(req); } - tasklet_schedule(&raw->tasklet); + raw3215_next_io(raw); } return; } @@ -675,9 +667,6 @@ raw3215_probe (struct ccw_device *cdev) kfree(raw); return -ENOMEM; } - tasklet_init(&raw->tasklet, - (void (*)(unsigned long)) raw3215_tasklet, - (unsigned long) raw); init_waitqueue_head(&raw->empty_wait); cdev->dev.driver_data = raw; @@ -863,9 +852,6 @@ con3215_init(void) cdev->handler = raw3215_irq; raw->flags |= RAW3215_FIXED; - tasklet_init(&raw->tasklet, - (void (*)(unsigned long)) raw3215_tasklet, - (unsigned long) raw); init_waitqueue_head(&raw->empty_wait); /* Request the console irq */ -- GitLab From 4a672cfa3a7fcbc6f2adc558f34148be1096c561 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Fri, 10 Oct 2008 21:33:29 +0200 Subject: [PATCH 3531/6244] [S390] fix initialization of stp chsc_sstpc returns -EIO on error and 0 on success but stp_reset checks against 1 instead of 0. chsc_sstpc used to return 1 on success, one call location has not been updated .. Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/time.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 06acb1a18bbc..b94e9e3b694a 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -1356,7 +1356,7 @@ static void __init stp_reset(void) stp_page = alloc_bootmem_pages(PAGE_SIZE); rc = chsc_sstpc(stp_page, STP_OP_CTRL, 0x0000); - if (rc == 1) + if (rc == 0) set_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags); else if (stp_online) { printk(KERN_WARNING "Running on non STP capable machine.\n"); -- GitLab From 89d49841e9e7a90b04b036b7dbe7521b55edbe24 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Fri, 10 Oct 2008 21:33:30 +0200 Subject: [PATCH 3532/6244] [S390] Fix checkstack for s390 With -march=z990 and later gcc can use the long displacement facility insruction lay for stack register handling. This patch adopts checkstack to catch lay in addition to ahi and aghi. Signed-off-by: Christian Borntraeger Signed-off-by: Martin Schwidefsky --- scripts/checkstack.pl | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index 3eca62566d6b..f7e8e93ff30d 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -81,7 +81,10 @@ my (@stack, $re, $dre, $x, $xs); $re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o; } elsif ($arch =~ /^s390x?$/) { # 11160: a7 fb ff 60 aghi %r15,-160 - $re = qr/.*ag?hi.*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})/o; + # or + # 100092: e3 f0 ff c8 ff 71 lay %r15,-56(%r15) + $re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2}) + (?:\(\%r15\))?$/ox; } elsif ($arch =~ /^sh64$/) { #XXX: we only check for the immediate case presently, # though we will want to check for the movi/sub -- GitLab From 730616b2026838c4535c1daf9b91b118fd7caecf Mon Sep 17 00:00:00 2001 From: Mark de Wever Date: Fri, 10 Oct 2008 22:39:17 +0200 Subject: [PATCH 3533/6244] ide-tape: Buildfix when IDETAPE_DEBUG_LOG is set to 1. The format specifier for rq->sector didn't specify the proper size and signedness. Borislav Petkov discovered that the signedness for rq->nr_sectors and rq->current_nr_sectors also were incorrect. Signed-off-by: Mark de Wever Acked-by: Borislav Petkov [bart: remove trailing whitespace] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-tape.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 3833189144ed..a373cc4142b7 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -978,9 +978,10 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, struct request *postponed_rq = tape->postponed_rq; u8 stat; - debug_log(DBG_SENSE, "sector: %ld, nr_sectors: %ld," - " current_nr_sectors: %d\n", - rq->sector, rq->nr_sectors, rq->current_nr_sectors); + debug_log(DBG_SENSE, "sector: %llu, nr_sectors: %lu," + " current_nr_sectors: %u\n", + (unsigned long long)rq->sector, rq->nr_sectors, + rq->current_nr_sectors); if (!blk_special_request(rq)) { /* We do not support buffer cache originated requests. */ -- GitLab From f8881000d7cc6b8b520e8fcba95177d2cde1ae36 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:18 +0200 Subject: [PATCH 3534/6244] ide: remove superfluous check from ide_disk_special() This condition is checked by both ide_disk_init_mult_count() and set_multcount() so no need to do it again in ide_disk_special(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index a896a283f27f..1678043701df 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -540,8 +540,6 @@ static ide_startstop_t ide_disk_special(ide_drive_t *drive) ide_tf_set_restore_cmd(drive, &args.tf); } else if (s->b.set_multmode) { s->b.set_multmode = 0; - if (drive->mult_req > drive->id->max_multsect) - drive->mult_req = drive->id->max_multsect; ide_tf_set_setmult_cmd(drive, &args.tf); } else if (s->all) { int special = s->all; -- GitLab From df1f8378c2fd898fa08be5d72283d68c77f519e9 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:18 +0200 Subject: [PATCH 3535/6244] ide: cleanup ide_disk_init_mult_count() * Remove superfluous checks for drive->mult_req. * No need to zero drive's fields. * Move the common code out of #ifdef scope. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 70aa86c8807e..a776a6d73c54 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -89,20 +89,19 @@ static void ide_disk_init_mult_count(ide_drive_t *drive) { struct hd_driveid *id = drive->id; - drive->mult_count = 0; if (id->max_multsect) { #ifdef CONFIG_IDEDISK_MULTI_MODE - id->multsect = ((id->max_multsect/2) > 1) ? id->max_multsect : 0; - id->multsect_valid = id->multsect ? 1 : 0; - drive->mult_req = id->multsect_valid ? id->max_multsect : 0; - drive->special.b.set_multmode = drive->mult_req ? 1 : 0; -#else /* original, pre IDE-NFG, per request of AC */ - drive->mult_req = 0; - if (drive->mult_req > id->max_multsect) - drive->mult_req = id->max_multsect; - if (drive->mult_req || ((id->multsect_valid & 1) && id->multsect)) - drive->special.b.set_multmode = 1; + if ((id->max_multsect / 2) > 1) { + id->multsect = id->max_multsect; + id->multsect_valid = 1; + } else { + id->multsect = 0; + id->multsect_valid = 0; + } + drive->mult_req = id->multsect; #endif + if ((id->multsect_valid & 1) && id->multsect) + drive->special.b.set_multmode = 1; } } -- GitLab From 5b90e990928919ae411a68b865e8a6ecac09a603 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:18 +0200 Subject: [PATCH 3536/6244] ide: cleanup ide_fix_driveid() Do all __le16_to_cpu() swapping in one loop. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 107 ++++++++--------------------------------- 1 file changed, 20 insertions(+), 87 deletions(-) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 2cbadffe922e..68d655e0fa47 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -400,97 +400,30 @@ const struct ide_tp_ops default_tp_ops = { .output_data = ide_output_data, }; -void ide_fix_driveid (struct hd_driveid *id) +void ide_fix_driveid(struct hd_driveid *driveid) { #ifndef __LITTLE_ENDIAN # ifdef __BIG_ENDIAN + u16 *id = (u16 *)driveid; int i; - u16 *stringcast; - - id->config = __le16_to_cpu(id->config); - id->cyls = __le16_to_cpu(id->cyls); - id->reserved2 = __le16_to_cpu(id->reserved2); - id->heads = __le16_to_cpu(id->heads); - id->track_bytes = __le16_to_cpu(id->track_bytes); - id->sector_bytes = __le16_to_cpu(id->sector_bytes); - id->sectors = __le16_to_cpu(id->sectors); - id->vendor0 = __le16_to_cpu(id->vendor0); - id->vendor1 = __le16_to_cpu(id->vendor1); - id->vendor2 = __le16_to_cpu(id->vendor2); - stringcast = (u16 *)&id->serial_no[0]; - for (i = 0; i < (20/2); i++) - stringcast[i] = __le16_to_cpu(stringcast[i]); - id->buf_type = __le16_to_cpu(id->buf_type); - id->buf_size = __le16_to_cpu(id->buf_size); - id->ecc_bytes = __le16_to_cpu(id->ecc_bytes); - stringcast = (u16 *)&id->fw_rev[0]; - for (i = 0; i < (8/2); i++) - stringcast[i] = __le16_to_cpu(stringcast[i]); - stringcast = (u16 *)&id->model[0]; - for (i = 0; i < (40/2); i++) - stringcast[i] = __le16_to_cpu(stringcast[i]); - id->dword_io = __le16_to_cpu(id->dword_io); - id->reserved50 = __le16_to_cpu(id->reserved50); - id->field_valid = __le16_to_cpu(id->field_valid); - id->cur_cyls = __le16_to_cpu(id->cur_cyls); - id->cur_heads = __le16_to_cpu(id->cur_heads); - id->cur_sectors = __le16_to_cpu(id->cur_sectors); - id->cur_capacity0 = __le16_to_cpu(id->cur_capacity0); - id->cur_capacity1 = __le16_to_cpu(id->cur_capacity1); - id->lba_capacity = __le32_to_cpu(id->lba_capacity); - id->dma_1word = __le16_to_cpu(id->dma_1word); - id->dma_mword = __le16_to_cpu(id->dma_mword); - id->eide_pio_modes = __le16_to_cpu(id->eide_pio_modes); - id->eide_dma_min = __le16_to_cpu(id->eide_dma_min); - id->eide_dma_time = __le16_to_cpu(id->eide_dma_time); - id->eide_pio = __le16_to_cpu(id->eide_pio); - id->eide_pio_iordy = __le16_to_cpu(id->eide_pio_iordy); - for (i = 0; i < 2; ++i) - id->words69_70[i] = __le16_to_cpu(id->words69_70[i]); - for (i = 0; i < 4; ++i) - id->words71_74[i] = __le16_to_cpu(id->words71_74[i]); - id->queue_depth = __le16_to_cpu(id->queue_depth); - for (i = 0; i < 4; ++i) - id->words76_79[i] = __le16_to_cpu(id->words76_79[i]); - id->major_rev_num = __le16_to_cpu(id->major_rev_num); - id->minor_rev_num = __le16_to_cpu(id->minor_rev_num); - id->command_set_1 = __le16_to_cpu(id->command_set_1); - id->command_set_2 = __le16_to_cpu(id->command_set_2); - id->cfsse = __le16_to_cpu(id->cfsse); - id->cfs_enable_1 = __le16_to_cpu(id->cfs_enable_1); - id->cfs_enable_2 = __le16_to_cpu(id->cfs_enable_2); - id->csf_default = __le16_to_cpu(id->csf_default); - id->dma_ultra = __le16_to_cpu(id->dma_ultra); - id->trseuc = __le16_to_cpu(id->trseuc); - id->trsEuc = __le16_to_cpu(id->trsEuc); - id->CurAPMvalues = __le16_to_cpu(id->CurAPMvalues); - id->mprc = __le16_to_cpu(id->mprc); - id->hw_config = __le16_to_cpu(id->hw_config); - id->acoustic = __le16_to_cpu(id->acoustic); - id->msrqs = __le16_to_cpu(id->msrqs); - id->sxfert = __le16_to_cpu(id->sxfert); - id->sal = __le16_to_cpu(id->sal); - id->spg = __le32_to_cpu(id->spg); - id->lba_capacity_2 = __le64_to_cpu(id->lba_capacity_2); - for (i = 0; i < 22; i++) - id->words104_125[i] = __le16_to_cpu(id->words104_125[i]); - id->last_lun = __le16_to_cpu(id->last_lun); - id->word127 = __le16_to_cpu(id->word127); - id->dlf = __le16_to_cpu(id->dlf); - id->csfo = __le16_to_cpu(id->csfo); - for (i = 0; i < 26; i++) - id->words130_155[i] = __le16_to_cpu(id->words130_155[i]); - id->word156 = __le16_to_cpu(id->word156); - for (i = 0; i < 3; i++) - id->words157_159[i] = __le16_to_cpu(id->words157_159[i]); - id->cfa_power = __le16_to_cpu(id->cfa_power); - for (i = 0; i < 15; i++) - id->words161_175[i] = __le16_to_cpu(id->words161_175[i]); - for (i = 0; i < 30; i++) - id->words176_205[i] = __le16_to_cpu(id->words176_205[i]); - for (i = 0; i < 49; i++) - id->words206_254[i] = __le16_to_cpu(id->words206_254[i]); - id->integrity_word = __le16_to_cpu(id->integrity_word); + + for (i = 0; i < 256; i++) { + /* these words are accessed as two 8-bit values */ + if (i == 47 || i == 49 || i == 51 || i == 52 || i == 59) + continue; + if (i == 60 || i == 61) /* ->lba_capacity is 32-bit */ + continue; + if (i == 98 || i == 99) /* ->spg is 32-bit */ + continue; + if (i > 99 && i < 104) /* ->lba_capacity_2 is 64-bit */ + continue; + + id[i] = __le16_to_cpu(id[i]); + } + + driveid->lba_capacity = __le32_to_cpu(driveid->lba_capacity); + driveid->spg = __le32_to_cpu(driveid->spg); + driveid->lba_capacity_2 = __le64_to_cpu(driveid->lba_capacity_2); # else # error "Please fix " # endif -- GitLab From 4dde4492d850a4c9bcaa92e5bd7f4eebe3e2f5ab Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:19 +0200 Subject: [PATCH 3537/6244] ide: make drive->id an union (take 2) Make drive->id an unnamed union so id can be accessed either by using 'u16 *id' or 'struct hd_driveid *driveid'. Then convert all existing drive->id users accordingly (using 'u16 *id' when possible). This is an intermediate step to make ide 'struct hd_driveid'-free. While at it: - Add missing KERN_CONTs in it821x.c. - Use ATA_ID_WORDS and ATA_ID_*_LEN defines. - Remove unnecessary checks for drive->id. - s/drive_table/table/ in ide_in_drive_list(). - Cleanup ide_config_drive_speed() a bit. - s/drive1/dev1/ & s/drive0/dev0/ in ide_undecoded_slave(). v2: Fix typo in drivers/ide/ppc/pmac.c. (From Stephen Rothwell) There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/icside.c | 4 +- drivers/ide/arm/palm_bk3710.c | 3 +- drivers/ide/ide-acpi.c | 6 +- drivers/ide/ide-cd.c | 15 +++-- drivers/ide/ide-disk.c | 63 +++++++++--------- drivers/ide/ide-dma.c | 50 +++++++------- drivers/ide/ide-floppy.c | 14 ++-- drivers/ide/ide-iops.c | 80 +++++++++++----------- drivers/ide/ide-lib.c | 24 +++---- drivers/ide/ide-probe.c | 117 +++++++++++++++++---------------- drivers/ide/ide-proc.c | 5 +- drivers/ide/ide-tape.c | 7 +- drivers/ide/ide-taskfile.c | 6 +- drivers/ide/ide-timings.c | 21 +++--- drivers/ide/ide.c | 8 +-- drivers/ide/legacy/qd65xx.c | 22 ++++--- drivers/ide/pci/alim15x3.c | 4 +- drivers/ide/pci/cs5530.c | 10 +-- drivers/ide/pci/hpt366.c | 8 +-- drivers/ide/pci/it821x.c | 51 +++++++------- drivers/ide/pci/pdc202xx_new.c | 4 +- drivers/ide/pci/pdc202xx_old.c | 6 +- drivers/ide/pci/sc1200.c | 10 +-- drivers/ide/pci/serverworks.c | 4 +- drivers/ide/pci/siimage.c | 8 ++- drivers/ide/ppc/pmac.c | 6 +- drivers/scsi/ide-scsi.c | 13 ++-- include/linux/ide.h | 23 ++++--- 28 files changed, 312 insertions(+), 280 deletions(-) diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index df4af4083954..ca9e8ea32ee2 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -265,8 +265,8 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode) * If we're going to be doing MW_DMA_1 or MW_DMA_2, we should * take care to note the values in the ID... */ - if (use_dma_info && drive->id->eide_dma_time > cycle_time) - cycle_time = drive->id->eide_dma_time; + if (use_dma_info && drive->id[ATA_ID_EIDE_DMA_TIME] > cycle_time) + cycle_time = drive->id[ATA_ID_EIDE_DMA_TIME]; drive->drive_data = cycle_time; diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index 4fd91dcf1dc2..6cea984776fd 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -213,7 +213,8 @@ static void palm_bk3710_set_dma_mode(ide_drive_t *drive, u8 xferspeed) palm_bk3710_setudmamode(base, is_slave, xferspeed - XFER_UDMA_0); } else { - palm_bk3710_setdmamode(base, is_slave, drive->id->eide_dma_min, + palm_bk3710_setdmamode(base, is_slave, + drive->id[ATA_ID_EIDE_DMA_MIN], xferspeed); } } diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 6f704628c27d..2427c380b3dc 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -584,7 +584,7 @@ void ide_acpi_get_timing(ide_hwif_t *hwif) * This function executes the _STM ACPI method for the target channel. * * _STM requires Identify Drive data, which has to passed as an argument. - * Unfortunately hd_driveid is a mangled version which we can't readily + * Unfortunately drive->id is a mangled version which we can't readily * use; hence we'll get the information afresh. */ void ide_acpi_push_timing(ide_hwif_t *hwif) @@ -614,10 +614,10 @@ void ide_acpi_push_timing(ide_hwif_t *hwif) in_params[0].buffer.length = sizeof(struct GTM_buffer); in_params[0].buffer.pointer = (u8 *)&hwif->acpidata->gtm; in_params[1].type = ACPI_TYPE_BUFFER; - in_params[1].buffer.length = sizeof(struct hd_driveid); + in_params[1].buffer.length = sizeof(ATA_ID_WORDS * 2); in_params[1].buffer.pointer = (u8 *)&master->idbuff; in_params[2].type = ACPI_TYPE_BUFFER; - in_params[2].buffer.length = sizeof(struct hd_driveid); + in_params[2].buffer.length = sizeof(ATA_ID_WORDS * 2); in_params[2].buffer.pointer = (u8 *)&slave->idbuff; /* Output buffer: _STM has no output */ diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 03c2cb6a58bc..46f9720f1ec9 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1866,14 +1866,14 @@ static const struct cd_list_entry ide_cd_quirks_list[] = { { NULL, NULL, 0 } }; -static unsigned int ide_cd_flags(struct hd_driveid *id) +static unsigned int ide_cd_flags(u16 *id) { const struct cd_list_entry *cle = ide_cd_quirks_list; while (cle->id_model) { - if (strcmp(cle->id_model, id->model) == 0 && + if (strcmp(cle->id_model, (char *)&id[ATA_ID_PROD]) == 0 && (cle->id_firmware == NULL || - strstr(id->fw_rev, cle->id_firmware))) + strstr((char *)&id[ATA_ID_FW_REV], cle->id_firmware))) return cle->cd_flags; cle++; } @@ -1885,7 +1885,8 @@ static int ide_cdrom_setup(ide_drive_t *drive) { struct cdrom_info *cd = drive->driver_data; struct cdrom_device_info *cdi = &cd->devinfo; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; + char *fw_rev = (char *)&id[ATA_ID_FW_REV]; int nslots; blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn); @@ -1900,15 +1901,15 @@ static int ide_cdrom_setup(ide_drive_t *drive) drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT | ide_cd_flags(id); - if ((id->config & 0x0060) == 0x20) + if ((id[ATA_ID_CONFIG] & 0x0060) == 0x20) drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) && - id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') + fw_rev[4] == '1' && fw_rev[6] <= '2') drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD | IDE_AFLAG_TOCADDR_AS_BCD); else if ((drive->atapi_flags & IDE_AFLAG_VERTOS_600_ESD) && - id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') + fw_rev[4] == '1' && fw_rev[6] <= '2') drive->atapi_flags |= IDE_AFLAG_TOCTRACKS_AS_BCD; else if (drive->atapi_flags & IDE_AFLAG_SANYO_3CD) /* 3 => use CD in slot 0 */ diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 33ea8c048717..f1669bca3cab 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -99,12 +99,13 @@ static void ide_disk_put(struct ide_disk_obj *idkp) * * It is called only once for each drive. */ -static int lba_capacity_is_ok(struct hd_driveid *id) +static int lba_capacity_is_ok(u16 *id) { + struct hd_driveid *driveid = (struct hd_driveid *)id; unsigned long lba_sects, chs_sects, head, tail; /* No non-LBA info .. so valid! */ - if (id->cyls == 0) + if (id[ATA_ID_CYLS] == 0) return 1; /* @@ -113,15 +114,15 @@ static int lba_capacity_is_ok(struct hd_driveid *id) * Some drives can be jumpered to use 15 heads instead of 16. * Some drives can be jumpered to use 4092 cyls instead of 16383. */ - if ((id->cyls == 16383 - || (id->cyls == 4092 && id->cur_cyls == 16383)) && - id->sectors == 63 && - (id->heads == 15 || id->heads == 16) && - (id->lba_capacity >= 16383*63*id->heads)) + if ((id[ATA_ID_CYLS] == 16383 || + (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && + id[ATA_ID_SECTORS] == 63 && + (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && + (driveid->lba_capacity >= 16383 * 63 * id[ATA_ID_HEADS])) return 1; - lba_sects = id->lba_capacity; - chs_sects = id->cyls * id->heads * id->sectors; + lba_sects = driveid->lba_capacity; + chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; /* perform a rough sanity check on lba_sects: within 10% is OK */ if ((lba_sects - chs_sects) < chs_sects/10) @@ -132,7 +133,7 @@ static int lba_capacity_is_ok(struct hd_driveid *id) tail = (lba_sects & 0xffff); lba_sects = (head | (tail << 16)); if ((lba_sects - chs_sects) < chs_sects/10) { - id->lba_capacity = lba_sects; + driveid->lba_capacity = lba_sects; return 1; /* lba_capacity is (now) good */ } @@ -389,18 +390,20 @@ static unsigned long long sectors_to_MB(unsigned long long n) * so on non-buggy drives we need test only one. * However, we should also check whether these fields are valid. */ -static inline int idedisk_supports_hpa(const struct hd_driveid *id) +static inline int idedisk_supports_hpa(const u16 *id) { - return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400); + return (id[ATA_ID_COMMAND_SET_1] & 0x0400) && + (id[ATA_ID_CFS_ENABLE_1] & 0x0400); } /* * The same here. */ -static inline int idedisk_supports_lba48(const struct hd_driveid *id) +static inline int idedisk_supports_lba48(const u16 *id) { - return (id->command_set_2 & 0x0400) && (id->cfs_enable_2 & 0x0400) - && id->lba_capacity_2; + return (id[ATA_ID_COMMAND_SET_2] & 0x0400) && + (id[ATA_ID_CFS_ENABLE_2] & 0x0400) && + ((struct hd_driveid *)id)->lba_capacity_2; } /* @@ -453,7 +456,8 @@ static void idedisk_check_hpa(ide_drive_t *drive) static void init_idedisk_capacity(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + struct hd_driveid *driveid = drive->driveid; + u16 *id = drive->id; /* * If this drive supports the Host Protected Area feature set, * then we may need to change our opinion about the drive's capacity. @@ -463,13 +467,13 @@ static void init_idedisk_capacity(ide_drive_t *drive) if (idedisk_supports_lba48(id)) { /* drive speaks 48-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = id->lba_capacity_2; + drive->capacity64 = driveid->lba_capacity_2; if (hpa) idedisk_check_hpa(drive); - } else if ((id->capability & 2) && lba_capacity_is_ok(id)) { + } else if ((driveid->capability & 2) && lba_capacity_is_ok(id)) { /* drive speaks 28-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = id->lba_capacity; + drive->capacity64 = driveid->lba_capacity; if (hpa) idedisk_check_hpa(drive); } else { @@ -523,7 +527,7 @@ static int proc_idedisk_read_cache int len; if (drive->id_read) - len = sprintf(out, "%i\n", drive->id->buf_size / 2); + len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); else len = sprintf(out, "(none)\n"); @@ -618,7 +622,7 @@ static int set_multcount(ide_drive_t *drive, int arg) struct request *rq; int error; - if (arg < 0 || arg > drive->id->max_multsect) + if (arg < 0 || arg > drive->driveid->max_multsect) return -EINVAL; if (drive->special.b.set_multmode) @@ -650,7 +654,7 @@ static int set_nowerr(ide_drive_t *drive, int arg) static void update_ordered(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; unsigned ordered = QUEUE_ORDERED_NONE; prepare_flush_fn *prep_fn = NULL; @@ -762,8 +766,6 @@ static int set_lba_addressing(ide_drive_t *drive, int arg) #ifdef CONFIG_IDE_PROC_FS static void idedisk_add_settings(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; - ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, &drive->bios_cyl, NULL); ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, @@ -773,7 +775,7 @@ static void idedisk_add_settings(ide_drive_t *drive) ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, &drive->addressing, set_lba_addressing); ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, - id->max_multsect, 1, 1, &drive->mult_count, + drive->driveid->max_multsect, 1, 1, &drive->mult_count, set_multcount); ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr); @@ -795,7 +797,8 @@ static inline void idedisk_add_settings(ide_drive_t *drive) { ; } static void idedisk_setup(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; + char *m = (char *)&id[ATA_ID_PROD]; unsigned long long capacity; idedisk_add_settings(drive); @@ -807,7 +810,7 @@ static void idedisk_setup(ide_drive_t *drive) /* * Removable disks (eg. SYQUEST); ignore 'WD' drives */ - if (id->model[0] != 'W' || id->model[1] != 'D') + if (m[0] != 'W' || m[1] != 'D') drive->doorlocking = 1; } @@ -880,14 +883,14 @@ static void idedisk_setup(ide_drive_t *drive) drive->name, capacity, sectors_to_MB(capacity)); /* Only print cache size when it was specified */ - if (id->buf_size) - printk(KERN_CONT " w/%dKiB Cache", id->buf_size / 2); + if (id[ATA_ID_BUF_SIZE]) + printk(KERN_CONT " w/%dKiB Cache", id[ATA_ID_BUF_SIZE] / 2); printk(KERN_CONT ", CHS=%d/%d/%d\n", drive->bios_cyl, drive->bios_head, drive->bios_sect); /* write cache enabled? */ - if ((id->csfo & 1) || (id->cfs_enable_1 & (1 << 5))) + if ((id[ATA_ID_CSFO] & 1) || (id[ATA_ID_CFS_ENABLE_1] & (1 << 5))) drive->wcache = 1; write_cache(drive, 1); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 3fa07c0aeaa4..abab26de7687 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -288,7 +288,7 @@ EXPORT_SYMBOL_GPL(ide_destroy_dmatable); static int config_drive_for_dma (ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; if (drive->media != ide_disk) { if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) @@ -299,16 +299,17 @@ static int config_drive_for_dma (ide_drive_t *drive) * Enable DMA on any drive that has * UltraDMA (mode 0/1/2/3/4/5/6) enabled */ - if ((id->field_valid & 4) && ((id->dma_ultra >> 8) & 0x7f)) + if ((id[ATA_ID_FIELD_VALID] & 4) && + ((id[ATA_ID_UDMA_MODES] >> 8) & 0x7f)) return 1; /* * Enable DMA on any drive that has mode2 DMA * (multi or single) enabled */ - if (id->field_valid & 2) /* regular DMA */ - if ((id->dma_mword & 0x404) == 0x404 || - (id->dma_1word & 0x404) == 0x404) + if (id[ATA_ID_FIELD_VALID] & 2) /* regular DMA */ + if ((id[ATA_ID_MWDMA_MODES] & 0x404) == 0x404 || + (id[ATA_ID_SWDMA_MODES] & 0x404) == 0x404) return 1; /* Consult the list of known "good" drives */ @@ -591,12 +592,12 @@ static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } int __ide_dma_bad_drive (ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; int blacklist = ide_in_drive_list(id, drive_blacklist); if (blacklist) { printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n", - drive->name, id->model); + drive->name, (char *)&id[ATA_ID_PROD]); return blacklist; } return 0; @@ -612,21 +613,21 @@ static const u8 xfer_mode_bases[] = { static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; ide_hwif_t *hwif = drive->hwif; const struct ide_port_ops *port_ops = hwif->port_ops; unsigned int mask = 0; switch(base) { case XFER_UDMA_0: - if ((id->field_valid & 4) == 0) + if ((id[ATA_ID_FIELD_VALID] & 4) == 0) break; if (port_ops && port_ops->udma_filter) mask = port_ops->udma_filter(drive); else mask = hwif->ultra_mask; - mask &= id->dma_ultra; + mask &= id[ATA_ID_UDMA_MODES]; /* * avoid false cable warning from eighty_ninty_three() @@ -637,19 +638,19 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode) } break; case XFER_MW_DMA_0: - if ((id->field_valid & 2) == 0) + if ((id[ATA_ID_FIELD_VALID] & 2) == 0) break; if (port_ops && port_ops->mdma_filter) mask = port_ops->mdma_filter(drive); else mask = hwif->mwdma_mask; - mask &= id->dma_mword; + mask &= id[ATA_ID_MWDMA_MODES]; break; case XFER_SW_DMA_0: - if (id->field_valid & 2) { - mask = id->dma_1word & hwif->swdma_mask; - } else if (id->tDMA) { - u8 mode = id->tDMA; + if (id[ATA_ID_FIELD_VALID] & 2) { + mask = id[ATA_ID_SWDMA_MODES] & hwif->swdma_mask; + } else if (drive->driveid->tDMA) { + u8 mode = drive->driveid->tDMA; /* * if the mode is valid convert it to the mask @@ -706,7 +707,8 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode) /* * is this correct? */ - if (ide_dma_good_drive(drive) && drive->id->eide_dma_time < 150) + if (ide_dma_good_drive(drive) && + drive->id[ATA_ID_EIDE_DMA_TIME] < 150) mode = XFER_MW_DMA_1; } @@ -725,7 +727,7 @@ static int ide_tune_dma(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 speed; - if (drive->nodma || (drive->id->capability & 1) == 0) + if (drive->nodma || (drive->driveid->capability & 1) == 0) return 0; /* consult the list of known "bad" drives */ @@ -767,13 +769,15 @@ static int ide_dma_check(ide_drive_t *drive) int ide_id_dma_bug(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; - if (id->field_valid & 4) { - if ((id->dma_ultra >> 8) && (id->dma_mword >> 8)) + if (id[ATA_ID_FIELD_VALID] & 4) { + if ((id[ATA_ID_UDMA_MODES] >> 8) && + (id[ATA_ID_MWDMA_MODES] >> 8)) goto err_out; - } else if (id->field_valid & 2) { - if ((id->dma_mword >> 8) && (id->dma_1word >> 8)) + } else if (id[ATA_ID_FIELD_VALID] & 2) { + if ((id[ATA_ID_MWDMA_MODES] >> 8) && + (id[ATA_ID_SWDMA_MODES] >> 8)) goto err_out; } return 0; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index e9034c0125f3..67f93a46f510 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -965,12 +965,12 @@ static sector_t idefloppy_capacity(ide_drive_t *drive) * Check whether we can support a drive, based on the ATAPI IDENTIFY command * results. */ -static int idefloppy_identify_device(ide_drive_t *drive, struct hd_driveid *id) +static int idefloppy_identify_device(ide_drive_t *drive, u16 *id) { u8 gcw[2]; u8 device_type, protocol, removable, drq_type, packet_size; - *((u16 *) &gcw) = id->config; + *((u16 *)&gcw) = id[ATA_ID_CONFIG]; device_type = gcw[1] & 0x1F; removable = (gcw[0] & 0x80) >> 7; @@ -981,7 +981,8 @@ static int idefloppy_identify_device(ide_drive_t *drive, struct hd_driveid *id) #ifdef CONFIG_PPC /* kludge for Apple PowerBook internal zip */ if (device_type == 5 && - !strstr(id->model, "CD-ROM") && strstr(id->model, "ZIP")) + !strstr((char *)&id[ATA_ID_PROD], "CD-ROM") && + strstr((char *)&id[ATA_ID_PROD], "ZIP")) device_type = 0; #endif @@ -1024,9 +1025,10 @@ static inline void idefloppy_add_settings(ide_drive_t *drive) { ; } static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) { + u16 *id = drive->id; u8 gcw[2]; - *((u16 *) &gcw) = drive->id->config; + *((u16 *)&gcw) = id[ATA_ID_CONFIG]; floppy->pc = floppy->pc_stack; drive->pc_callback = ide_floppy_callback; @@ -1041,7 +1043,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) * it. It should be fixed as of version 1.9, but to be on the safe side * we'll leave the limitation below for the 2.2.x tree. */ - if (!strncmp(drive->id->model, "IOMEGA ZIP 100 ATAPI", 20)) { + if (!strncmp((char *)&id[ATA_ID_PROD], "IOMEGA ZIP 100 ATAPI", 20)) { drive->atapi_flags |= IDE_AFLAG_ZIP_DRIVE; /* This value will be visible in the /proc/ide/hdx/settings */ floppy->ticks = IDEFLOPPY_TICKS_DELAY; @@ -1052,7 +1054,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) * Guess what? The IOMEGA Clik! drive also needs the above fix. It makes * nasty clicking noises without it, so please don't remove this. */ - if (strncmp(drive->id->model, "IOMEGA Clik!", 11) == 0) { + if (strncmp((char *)&id[ATA_ID_PROD], "IOMEGA Clik!", 11) == 0) { blk_queue_max_sectors(drive->queue, 64); drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE; } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 68d655e0fa47..01b1943b315e 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -400,11 +400,11 @@ const struct ide_tp_ops default_tp_ops = { .output_data = ide_output_data, }; -void ide_fix_driveid(struct hd_driveid *driveid) +void ide_fix_driveid(u16 *id) { #ifndef __LITTLE_ENDIAN # ifdef __BIG_ENDIAN - u16 *id = (u16 *)driveid; + struct hd_driveid *driveid = (struct hd_driveid *)id; int i; for (i = 0; i < 256; i++) { @@ -593,18 +593,18 @@ EXPORT_SYMBOL(ide_wait_stat); /** * ide_in_drive_list - look for drive in black/white list * @id: drive identifier - * @drive_table: list to inspect + * @table: list to inspect * * Look for a drive in the blacklist and the whitelist tables * Returns 1 if the drive is found in the table. */ -int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table) +int ide_in_drive_list(u16 *id, const struct drive_list_entry *table) { - for ( ; drive_table->id_model; drive_table++) - if ((!strcmp(drive_table->id_model, id->model)) && - (!drive_table->id_firmware || - strstr(id->fw_rev, drive_table->id_firmware))) + for ( ; table->id_model; table++) + if ((!strcmp(table->id_model, (char *)&id[ATA_ID_PROD])) && + (!table->id_firmware || + strstr((char *)&id[ATA_ID_FW_REV], table->id_firmware))) return 1; return 0; } @@ -635,7 +635,7 @@ static const struct drive_list_entry ivb_list[] = { u8 eighty_ninty_three (ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; int ivb = ide_in_drive_list(id, ivb_list); if (hwif->cbl == ATA_CBL_PATA40_SHORT) @@ -657,7 +657,8 @@ u8 eighty_ninty_three (ide_drive_t *drive) * - force bit13 (80c cable present) check also for !ivb devices * (unless the slave device is pre-ATA3) */ - if ((id->hw_config & 0x4000) || (ivb && (id->hw_config & 0x2000))) + if ((id[ATA_ID_HW_CONFIG] & 0x4000) || + (ivb && (id[ATA_ID_HW_CONFIG] & 0x2000))) return 1; no_80w: @@ -678,7 +679,7 @@ int ide_driveid_update(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; const struct ide_tp_ops *tp_ops = hwif->tp_ops; - struct hd_driveid *id; + u16 *id; unsigned long timeout, flags; u8 stat; @@ -722,16 +723,16 @@ int ide_driveid_update(ide_drive_t *drive) local_irq_enable(); local_irq_restore(flags); ide_fix_driveid(id); - if (id) { - drive->id->dma_ultra = id->dma_ultra; - drive->id->dma_mword = id->dma_mword; - drive->id->dma_1word = id->dma_1word; - /* anything more ? */ - kfree(id); - - if (drive->using_dma && ide_id_dma_bug(drive)) - ide_dma_off(drive); - } + + drive->id[ATA_ID_UDMA_MODES] = id[ATA_ID_UDMA_MODES]; + drive->id[ATA_ID_MWDMA_MODES] = id[ATA_ID_MWDMA_MODES]; + drive->id[ATA_ID_SWDMA_MODES] = id[ATA_ID_SWDMA_MODES]; + /* anything more ? */ + + kfree(id); + + if (drive->using_dma && ide_id_dma_bug(drive)) + ide_dma_off(drive); return 1; } @@ -740,6 +741,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) { ide_hwif_t *hwif = drive->hwif; const struct ide_tp_ops *tp_ops = hwif->tp_ops; + u16 *id = drive->id, i; int error = 0; u8 stat; ide_task_t task; @@ -750,7 +752,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) #endif /* Skip setting PIO flow-control modes on pre-EIDE drives */ - if ((speed & 0xf8) == XFER_PIO_0 && !(drive->id->capability & 0x08)) + if ((speed & 0xf8) == XFER_PIO_0 && !(drive->driveid->capability & 8)) goto skip; /* @@ -802,9 +804,9 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) return error; } - drive->id->dma_ultra &= ~0xFF00; - drive->id->dma_mword &= ~0x0F00; - drive->id->dma_1word &= ~0x0F00; + id[ATA_ID_UDMA_MODES] &= ~0xFF00; + id[ATA_ID_MWDMA_MODES] &= ~0x0F00; + id[ATA_ID_SWDMA_MODES] &= ~0x0F00; skip: #ifdef CONFIG_BLK_DEV_IDEDMA @@ -814,23 +816,17 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) ide_dma_off_quietly(drive); #endif - switch(speed) { - case XFER_UDMA_7: drive->id->dma_ultra |= 0x8080; break; - case XFER_UDMA_6: drive->id->dma_ultra |= 0x4040; break; - case XFER_UDMA_5: drive->id->dma_ultra |= 0x2020; break; - case XFER_UDMA_4: drive->id->dma_ultra |= 0x1010; break; - case XFER_UDMA_3: drive->id->dma_ultra |= 0x0808; break; - case XFER_UDMA_2: drive->id->dma_ultra |= 0x0404; break; - case XFER_UDMA_1: drive->id->dma_ultra |= 0x0202; break; - case XFER_UDMA_0: drive->id->dma_ultra |= 0x0101; break; - case XFER_MW_DMA_2: drive->id->dma_mword |= 0x0404; break; - case XFER_MW_DMA_1: drive->id->dma_mword |= 0x0202; break; - case XFER_MW_DMA_0: drive->id->dma_mword |= 0x0101; break; - case XFER_SW_DMA_2: drive->id->dma_1word |= 0x0404; break; - case XFER_SW_DMA_1: drive->id->dma_1word |= 0x0202; break; - case XFER_SW_DMA_0: drive->id->dma_1word |= 0x0101; break; - default: break; + if (speed >= XFER_UDMA_0) { + i = 1 << (speed - XFER_UDMA_0); + id[ATA_ID_UDMA_MODES] |= (i << 8 | i); + } else if (speed >= XFER_MW_DMA_0) { + i = 1 << (speed - XFER_MW_DMA_0); + id[ATA_ID_MWDMA_MODES] |= (i << 8 | i); + } else if (speed >= XFER_SW_DMA_0) { + i = 1 << (speed - XFER_SW_DMA_0); + id[ATA_ID_SWDMA_MODES] |= (i << 8 | i); } + if (!drive->init_speed) drive->init_speed = speed; drive->current_speed = speed; @@ -1035,7 +1031,7 @@ out: static void ide_disk_pre_reset(ide_drive_t *drive) { - int legacy = (drive->id->cfs_enable_2 & 0x0400) ? 0 : 1; + int legacy = (drive->id[ATA_ID_CFS_ENABLE_2] & 0x0400) ? 0 : 1; drive->special.all = 0; drive->special.b.set_geometry = legacy; diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 97fefabea8b8..3066d7e75c73 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -90,29 +90,31 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed) u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode) { - int pio_mode; - struct hd_driveid* id = drive->id; - int overridden = 0; + u16 *id = drive->id; + int pio_mode = -1, overridden = 0; if (mode_wanted != 255) return min_t(u8, mode_wanted, max_mode); - if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0 && - (pio_mode = ide_scan_pio_blacklist(id->model)) != -1) { + if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_BLACKLIST) == 0) + pio_mode = ide_scan_pio_blacklist((char *)&id[ATA_ID_PROD]); + + if (pio_mode != -1) { printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name); } else { - pio_mode = id->tPIO; + pio_mode = drive->driveid->tPIO; if (pio_mode > 2) { /* 2 is maximum allowed tPIO value */ pio_mode = 2; overridden = 1; } - if (id->field_valid & 2) { /* drive implements ATA2? */ - if (id->capability & 8) { /* IORDY supported? */ - if (id->eide_pio_modes & 7) { + + if (id[ATA_ID_FIELD_VALID] & 2) { /* ATA2? */ + if (drive->driveid->capability & 8) { /* IORDY sup? */ + if (id[ATA_ID_PIO_MODES] & 7) { overridden = 0; - if (id->eide_pio_modes & 4) + if (id[ATA_ID_PIO_MODES] & 4) pio_mode = 5; - else if (id->eide_pio_modes & 2) + else if (id[ATA_ID_PIO_MODES] & 2) pio_mode = 4; else pio_mode = 3; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index a776a6d73c54..b4f8ca106639 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -50,44 +50,44 @@ static void generic_id(ide_drive_t *drive) { - drive->id->cyls = drive->cyl; - drive->id->heads = drive->head; - drive->id->sectors = drive->sect; - drive->id->cur_cyls = drive->cyl; - drive->id->cur_heads = drive->head; - drive->id->cur_sectors = drive->sect; + u16 *id = drive->id; + + id[ATA_ID_CUR_CYLS] = id[ATA_ID_CYLS] = drive->cyl; + id[ATA_ID_CUR_HEADS] = id[ATA_ID_HEADS] = drive->head; + id[ATA_ID_CUR_SECTORS] = id[ATA_ID_SECTORS] = drive->sect; } static void ide_disk_init_chs(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; /* Extract geometry if we did not already have one for the drive */ if (!drive->cyl || !drive->head || !drive->sect) { - drive->cyl = drive->bios_cyl = id->cyls; - drive->head = drive->bios_head = id->heads; - drive->sect = drive->bios_sect = id->sectors; + drive->cyl = drive->bios_cyl = id[ATA_ID_CYLS]; + drive->head = drive->bios_head = id[ATA_ID_HEADS]; + drive->sect = drive->bios_sect = id[ATA_ID_SECTORS]; } /* Handle logical geometry translation by the drive */ - if ((id->field_valid & 1) && id->cur_cyls && - id->cur_heads && (id->cur_heads <= 16) && id->cur_sectors) { - drive->cyl = id->cur_cyls; - drive->head = id->cur_heads; - drive->sect = id->cur_sectors; + if ((id[ATA_ID_FIELD_VALID] & 1) && id[ATA_ID_CUR_CYLS] && + id[ATA_ID_CUR_HEADS] && id[ATA_ID_CUR_HEADS] <= 16 && + id[ATA_ID_CUR_SECTORS]) { + drive->cyl = id[ATA_ID_CUR_CYLS]; + drive->head = id[ATA_ID_CUR_HEADS]; + drive->sect = id[ATA_ID_CUR_SECTORS]; } /* Use physical geometry if what we have still makes no sense */ - if (drive->head > 16 && id->heads && id->heads <= 16) { - drive->cyl = id->cyls; - drive->head = id->heads; - drive->sect = id->sectors; + if (drive->head > 16 && id[ATA_ID_HEADS] && id[ATA_ID_HEADS] <= 16) { + drive->cyl = id[ATA_ID_CYLS]; + drive->head = id[ATA_ID_HEADS]; + drive->sect = id[ATA_ID_SECTORS]; } } static void ide_disk_init_mult_count(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + struct hd_driveid *id = drive->driveid; if (id->max_multsect) { #ifdef CONFIG_IDEDISK_MULTI_MODE @@ -118,10 +118,10 @@ static void ide_disk_init_mult_count(ide_drive_t *drive) static inline void do_identify (ide_drive_t *drive, u8 cmd) { ide_hwif_t *hwif = HWIF(drive); + u16 *id = drive->id; + char *m = (char *)&id[ATA_ID_PROD]; int bswap = 1; - struct hd_driveid *id; - id = drive->id; /* read 512 bytes of id info */ hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE); @@ -138,23 +138,24 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) * WIN_PIDENTIFY *usually* returns little-endian info. */ if (cmd == WIN_PIDENTIFY) { - if ((id->model[0] == 'N' && id->model[1] == 'E') /* NEC */ - || (id->model[0] == 'F' && id->model[1] == 'X') /* Mitsumi */ - || (id->model[0] == 'P' && id->model[1] == 'i'))/* Pioneer */ + if ((m[0] == 'N' && m[1] == 'E') || /* NEC */ + (m[0] == 'F' && m[1] == 'X') || /* Mitsumi */ + (m[0] == 'P' && m[1] == 'i')) /* Pioneer */ /* Vertos drives may still be weird */ - bswap ^= 1; + bswap ^= 1; } - ide_fixstring(id->model, sizeof(id->model), bswap); - ide_fixstring(id->fw_rev, sizeof(id->fw_rev), bswap); - ide_fixstring(id->serial_no, sizeof(id->serial_no), bswap); + + ide_fixstring(m, ATA_ID_PROD_LEN, bswap); + ide_fixstring((char *)&id[ATA_ID_FW_REV], ATA_ID_FW_REV_LEN, bswap); + ide_fixstring((char *)&id[ATA_ID_SERNO], ATA_ID_SERNO_LEN, bswap); /* we depend on this a lot! */ - id->model[sizeof(id->model)-1] = '\0'; + m[ATA_ID_PROD_LEN - 1] = '\0'; - if (strstr(id->model, "E X A B Y T E N E S T")) + if (strstr(m, "E X A B Y T E N E S T")) goto err_misc; - printk(KERN_INFO "%s: %s, ", drive->name, id->model); + printk(KERN_INFO "%s: %s, ", drive->name, m); drive->present = 1; drive->dead = 0; @@ -163,15 +164,15 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) * Check for an ATAPI device */ if (cmd == WIN_PIDENTIFY) { - u8 type = (id->config >> 8) & 0x1f; + u8 type = (id[ATA_ID_CONFIG] >> 8) & 0x1f; printk(KERN_CONT "ATAPI "); switch (type) { case ide_floppy: - if (!strstr(id->model, "CD-ROM")) { - if (!strstr(id->model, "oppy") && - !strstr(id->model, "poyp") && - !strstr(id->model, "ZIP")) + if (!strstr(m, "CD-ROM")) { + if (!strstr(m, "oppy") && + !strstr(m, "poyp") && + !strstr(m, "ZIP")) printk(KERN_CONT "cdrom or floppy?, assuming "); if (drive->media != ide_cdrom) { printk(KERN_CONT "FLOPPY"); @@ -185,8 +186,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) drive->removable = 1; #ifdef CONFIG_PPC /* kludge for Apple PowerBook internal zip */ - if (!strstr(id->model, "CD-ROM") && - strstr(id->model, "ZIP")) { + if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) { printk(KERN_CONT "FLOPPY"); type = ide_floppy; break; @@ -220,14 +220,13 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) * 0x848a = CompactFlash device * These are *not* removable in Linux definition of the term */ - - if ((id->config != 0x848a) && (id->config & (1<<7))) + if (id[ATA_ID_CONFIG] != 0x848a && (id[ATA_ID_CONFIG] & (1 << 7))) drive->removable = 1; drive->media = ide_disk; printk(KERN_CONT "%s DISK drive\n", - (id->config == 0x848a) ? "CFA" : "ATA"); + (id[ATA_ID_CONFIG] == 0x848a) ? "CFA" : "ATA"); return; @@ -525,7 +524,8 @@ static void enable_nest (ide_drive_t *drive) const struct ide_tp_ops *tp_ops = hwif->tp_ops; u8 stat; - printk(KERN_INFO "%s: enabling %s -- ", hwif->name, drive->id->model); + printk(KERN_INFO "%s: enabling %s -- ", + hwif->name, (char *)&drive->id[ATA_ID_PROD]); SELECT_DRIVE(drive); msleep(50); @@ -566,6 +566,8 @@ static void enable_nest (ide_drive_t *drive) static inline u8 probe_for_drive (ide_drive_t *drive) { + char *m; + /* * In order to keep things simple we have an id * block for all drives at all times. If the device @@ -582,8 +584,10 @@ static inline u8 probe_for_drive (ide_drive_t *drive) printk(KERN_ERR "ide: out of memory for id data.\n"); return 0; } - strcpy(drive->id->model, "UNKNOWN"); - + + m = (char *)&drive->id[ATA_ID_PROD]; + strcpy(m, "UNKNOWN"); + /* skip probing? */ if (!drive->noprobe) { @@ -595,7 +599,8 @@ static inline u8 probe_for_drive (ide_drive_t *drive) if (!drive->present) /* drive not found */ return 0; - if (strstr(drive->id->model, "E X A B Y T E N E S T")) + + if (strstr(m, "E X A B Y T E N E S T")) enable_nest(drive); /* identification failed? */ @@ -739,36 +744,38 @@ out: /** * ide_undecoded_slave - look for bad CF adapters - * @drive1: drive + * @dev1: slave device * * Analyse the drives on the interface and attempt to decide if we * have the same drive viewed twice. This occurs with crap CF adapters * and PCMCIA sometimes. */ -void ide_undecoded_slave(ide_drive_t *drive1) +void ide_undecoded_slave(ide_drive_t *dev1) { - ide_drive_t *drive0 = &drive1->hwif->drives[0]; + ide_drive_t *dev0 = &dev1->hwif->drives[0]; - if ((drive1->dn & 1) == 0 || drive0->present == 0) + if ((dev1->dn & 1) == 0 || dev0->present == 0) return; /* If the models don't match they are not the same product */ - if (strcmp(drive0->id->model, drive1->id->model)) + if (strcmp((char *)&dev0->id[ATA_ID_PROD], + (char *)&dev1->id[ATA_ID_PROD])) return; /* Serial numbers do not match */ - if (strncmp(drive0->id->serial_no, drive1->id->serial_no, 20)) + if (strncmp((char *)&dev0->id[ATA_ID_SERNO], + (char *)&dev1->id[ATA_ID_SERNO], ATA_ID_SERNO_LEN)) return; /* No serial number, thankfully very rare for CF */ - if (drive0->id->serial_no[0] == 0) + if (*(char *)&dev0->id[ATA_ID_SERNO] == 0) return; /* Appears to be an IDE flash adapter with decode bugs */ printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n"); - drive1->present = 0; + dev1->present = 0; } EXPORT_SYMBOL_GPL(ide_undecoded_slave); @@ -852,7 +859,7 @@ static void ide_port_tune_devices(ide_hwif_t *hwif) if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) drive->no_io_32bit = 1; else - drive->no_io_32bit = drive->id->dword_io ? 1 : 0; + drive->no_io_32bit = drive->id[ATA_ID_DWORD_IO] ? 1 : 0; } } diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index f66c9c3f6fc6..0bdbb9bf90ba 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -561,11 +561,10 @@ static int proc_ide_read_dmodel (char *page, char **start, off_t off, int count, int *eof, void *data) { ide_drive_t *drive = (ide_drive_t *) data; - struct hd_driveid *id = drive->id; + char *m = (char *)&drive->id[ATA_ID_PROD]; int len; - len = sprintf(page, "%.40s\n", - (id && id->model[0]) ? (char *)id->model : "(none)"); + len = sprintf(page, "%.40s\n", m[0] ? m : "(none)"); PROC_IDE_READ_RETURN(page, start, off, count, eof, len); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index a373cc4142b7..2c4c6674db61 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2311,7 +2311,7 @@ static int idetape_identify_device(ide_drive_t *drive) if (drive->id_read == 0) return 1; - *((unsigned short *) &gcw) = drive->id->config; + *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG]; protocol = (gcw[1] & 0xC0) >> 6; device_type = gcw[1] & 0x1F; @@ -2463,7 +2463,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) drive->dsc_overlap = 0; } /* Seagate Travan drives do not support DSC overlap. */ - if (strstr(drive->id->model, "Seagate STT3401")) + if (strstr((char *)&drive->id[ATA_ID_PROD], "Seagate STT3401")) drive->dsc_overlap = 0; tape->minor = minor; tape->name[0] = 'h'; @@ -2471,7 +2471,8 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) tape->name[2] = '0' + minor; tape->chrdev_dir = IDETAPE_DIR_NONE; tape->pc = tape->pc_stack; - *((unsigned short *) &gcw) = drive->id->config; + + *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG]; /* Command packet DRQ type */ if (((gcw[0] & 0x60) >> 5) == 1) diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 7fb6f1c86272..f889373d7f95 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -729,7 +729,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) u8 args[4], xfer_rate = 0; ide_task_t tfargs; struct ide_taskfile *tf = &tfargs.tf; - struct hd_driveid *id = drive->id; + u16 *id = drive->id; if (NULL == (void *) arg) { struct request *rq; @@ -772,7 +772,9 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if (tf->command == WIN_SETFEATURES && tf->feature == SETFEATURES_XFER && tf->nsect >= XFER_SW_DMA_0 && - (id->dma_ultra || id->dma_mword || id->dma_1word)) { + (id[ATA_ID_UDMA_MODES] || + id[ATA_ID_MWDMA_MODES] || + id[ATA_ID_SWDMA_MODES])) { xfer_rate = args[1]; if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) { printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot " diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c index 8c2f8327f487..d64f345f2fc0 100644 --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -78,15 +78,15 @@ EXPORT_SYMBOL_GPL(ide_timing_find_mode); u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio); u16 cycle = 0; - if (id->field_valid & 2) { - if (id->capability & 8) - cycle = id->eide_pio_iordy; + if (id[ATA_ID_FIELD_VALID] & 2) { + if (drive->driveid->capability & 8) + cycle = id[ATA_ID_EIDE_PIO_IORDY]; else - cycle = id->eide_pio; + cycle = id[ATA_ID_EIDE_PIO]; /* conservative "downgrade" for all pre-ATA2 drives */ if (pio < 3 && cycle < t->cycle) @@ -138,7 +138,7 @@ EXPORT_SYMBOL_GPL(ide_timing_merge); int ide_timing_compute(ide_drive_t *drive, u8 speed, struct ide_timing *t, int T, int UT) { - struct hd_driveid *id = drive->id; + u16 *id = drive->id; struct ide_timing *s, p; /* @@ -157,16 +157,15 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed, * If the drive is an EIDE drive, it can tell us it needs extended * PIO/MWDMA cycle timing. */ - if (id && id->field_valid & 2) { /* EIDE drive */ - + if (id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */ memset(&p, 0, sizeof(p)); if (speed <= XFER_PIO_2) - p.cycle = p.cyc8b = id->eide_pio; + p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO]; else if (speed <= XFER_PIO_5) - p.cycle = p.cyc8b = id->eide_pio_iordy; + p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY]; else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) - p.cycle = id->eide_dma_min; + p.cycle = id[ATA_ID_EIDE_DMA_MIN]; ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B); } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 772451600e4d..8d3fab33a3c7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -328,7 +328,7 @@ int set_using_dma(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if (!drive->id || !(drive->id->capability & 1)) + if ((drive->driveid->capability & 1) == 0) goto out; if (hwif->dma_ops == NULL) @@ -710,21 +710,21 @@ static ssize_t model_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); - return sprintf(buf, "%s\n", drive->id->model); + return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_PROD]); } static ssize_t firmware_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); - return sprintf(buf, "%s\n", drive->id->fw_rev); + return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_FW_REV]); } static ssize_t serial_show(struct device *dev, struct device_attribute *attr, char *buf) { ide_drive_t *drive = to_ide_device(dev); - return sprintf(buf, "%s\n", drive->id->serial_no); + return sprintf(buf, "%s\n", (char *)&drive->id[ATA_ID_SERNO]); } static struct device_attribute ide_dev_attrs[] = { diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index 2338f344ea24..ef4e84053a81 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -151,12 +151,14 @@ static int qd_find_disk_type (ide_drive_t *drive, int *active_time, int *recovery_time) { struct qd65xx_timing_s *p; - char model[40]; + char *m = (char *)&drive->id[ATA_ID_PROD]; + char model[ATA_ID_PROD_LEN]; - if (!*drive->id->model) return 0; + if (*m == 0) + return 0; - strncpy(model,drive->id->model,40); - ide_fixstring(model,40,1); /* byte-swap */ + strncpy(model, m, ATA_ID_PROD_LEN); + ide_fixstring(model, ATA_ID_PROD_LEN, 1); /* byte-swap */ for (p = qd65xx_timing ; p->offset != -1 ; p++) { if (!strncmp(p->model, model+p->offset, 4)) { @@ -185,20 +187,20 @@ static void qd_set_timing (ide_drive_t *drive, u8 timing) static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio) { + u16 *id = drive->id; int active_time = 175; int recovery_time = 415; /* worst case values from the dos driver */ /* * FIXME: use "pio" value */ - if (drive->id && !qd_find_disk_type(drive, &active_time, &recovery_time) - && drive->id->tPIO && (drive->id->field_valid & 0x02) - && drive->id->eide_pio >= 240) { - + if (!qd_find_disk_type(drive, &active_time, &recovery_time) && + drive->driveid->tPIO && (id[ATA_ID_FIELD_VALID] & 2) && + id[ATA_ID_EIDE_PIO] >= 240) { printk(KERN_INFO "%s: PIO mode%d\n", drive->name, - drive->id->tPIO); + drive->driveid->tPIO); active_time = 110; - recovery_time = drive->id->eide_pio - 120; + recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120; } qd_set_timing(drive, qd6500_compute_timing(HWIF(drive), active_time, recovery_time)); diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index d647526af557..fcc701b3c0a2 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -134,8 +134,8 @@ static u8 ali_udma_filter(ide_drive_t *drive) if (m5229_revision > 0x20 && m5229_revision < 0xC2) { if (drive->media != ide_disk) return 0; - if (chip_is_1543c_e && strstr(drive->id->model, "WDC ") && - wdc_udma == 0) + if (wdc_udma == 0 && chip_is_1543c_e && + strstr((char *)&drive->id[ATA_ID_PROD], "WDC ")) return 0; } diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index f235db8c678b..774ff58603a2 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -82,16 +82,18 @@ static u8 cs5530_udma_filter(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; - struct hd_driveid *mateid = mate->id; + u16 *mateid = mate->id; u8 mask = hwif->ultra_mask; if (mate->present == 0) goto out; - if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { - if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7)) + if ((mate->driveid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { + if ((mateid[ATA_ID_FIELD_VALID] & 4) && + (mateid[ATA_ID_UDMA_MODES] & 7)) goto out; - if ((mateid->field_valid & 2) && (mateid->dma_mword & 7)) + if ((mateid[ATA_ID_FIELD_VALID] & 2) && + (mateid[ATA_ID_MWDMA_MODES] & 7)) mask = 0; } out: diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index c37ab1743819..b7f77fd3cb6e 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -605,10 +605,10 @@ static const struct hpt_info hpt371n __devinitdata = { static int check_in_drive_list(ide_drive_t *drive, const char **list) { - struct hd_driveid *id = drive->id; + char *m = (char *)&drive->id[ATA_ID_PROD]; while (*list) - if (!strcmp(*list++,id->model)) + if (!strcmp(*list++, m)) return 1; return 0; } @@ -731,11 +731,11 @@ static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio) static void hpt3xx_quirkproc(ide_drive_t *drive) { - struct hd_driveid *id = drive->id; + char *m = (char *)&drive->id[ATA_ID_PROD]; const char **list = quirk_drives; while (*list) - if (strstr(id->model, *list++)) { + if (strstr(m, *list++)) { drive->quirk_list = 1; return; } diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 4a1508a707cc..31d4e6aef1b8 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -446,8 +446,7 @@ static u8 it821x_cable_detect(ide_hwif_t *hwif) static void it821x_quirkproc(ide_drive_t *drive) { struct it821x_dev *itdev = ide_get_hwifdata(drive->hwif); - struct hd_driveid *id = drive->id; - u16 *idbits = (u16 *)drive->id; + u16 *id = drive->id; if (!itdev->smart) { /* @@ -466,36 +465,36 @@ static void it821x_quirkproc(ide_drive_t *drive) */ /* Check for RAID v native */ - if(strstr(id->model, "Integrated Technology Express")) { + if (strstr((char *)&id[ATA_ID_PROD], + "Integrated Technology Express")) { /* In raid mode the ident block is slightly buggy We need to set the bits so that the IDE layer knows LBA28. LBA48 and DMA ar valid */ - id->capability |= 3; /* LBA28, DMA */ - id->command_set_2 |= 0x0400; /* LBA48 valid */ - id->cfs_enable_2 |= 0x0400; /* LBA48 on */ + drive->driveid->capability |= 3; /* LBA28, DMA */ + id[ATA_ID_COMMAND_SET_2] |= 0x0400; /* LBA48 valid */ + id[ATA_ID_CFS_ENABLE_2] |= 0x0400; /* LBA48 on */ /* Reporting logic */ printk(KERN_INFO "%s: IT8212 %sRAID %d volume", - drive->name, - idbits[147] ? "Bootable ":"", - idbits[129]); - if(idbits[129] != 1) - printk("(%dK stripe)", idbits[146]); - printk(".\n"); + drive->name, id[147] ? "Bootable " : "", + id[ATA_ID_CSFO]); + if (id[ATA_ID_CSFO] != 1) + printk(KERN_CONT "(%dK stripe)", id[146]); + printk(KERN_CONT ".\n"); } else { /* Non RAID volume. Fixups to stop the core code doing unsupported things */ - id->field_valid &= 3; - id->queue_depth = 0; - id->command_set_1 = 0; - id->command_set_2 &= 0xC400; - id->cfsse &= 0xC000; - id->cfs_enable_1 = 0; - id->cfs_enable_2 &= 0xC400; - id->csf_default &= 0xC000; - id->word127 = 0; - id->dlf = 0; - id->csfo = 0; - id->cfa_power = 0; + id[ATA_ID_FIELD_VALID] &= 3; + id[ATA_ID_QUEUE_DEPTH] = 0; + id[ATA_ID_COMMAND_SET_1] = 0; + id[ATA_ID_COMMAND_SET_2] &= 0xC400; + id[ATA_ID_CFSSE] &= 0xC000; + id[ATA_ID_CFS_ENABLE_1] = 0; + id[ATA_ID_CFS_ENABLE_2] &= 0xC400; + id[ATA_ID_CSF_DEFAULT] &= 0xC000; + id[127] = 0; + id[ATA_ID_DLF] = 0; + id[ATA_ID_CSFO] = 0; + id[ATA_ID_CFA_POWER] = 0; printk(KERN_INFO "%s: Performing identify fixups.\n", drive->name); } @@ -505,8 +504,8 @@ static void it821x_quirkproc(ide_drive_t *drive) * IDE core that DMA is supported (it821x hardware * takes care of DMA mode programming). */ - if (id->capability & 1) { - id->dma_mword |= 0x0101; + if (drive->driveid->capability & 1) { + id[ATA_ID_MWDMA_MODES] |= 0x0101; drive->current_speed = XFER_MW_DMA_0; } } diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index d477da6b5858..7ecfcd06f47e 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -203,10 +203,10 @@ static u8 pdcnew_cable_detect(ide_hwif_t *hwif) static void pdcnew_quirkproc(ide_drive_t *drive) { - const char **list, *model = drive->id->model; + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(model, *list) != NULL) { + if (strstr(m, *list) != NULL) { drive->quirk_list = 2; return; } diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index de9a27400462..23e861b177ce 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -86,7 +86,7 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) * Prefetch_EN / IORDY_EN / PA[3:0] bits of register A */ AP &= ~0x3f; - if (drive->id->capability & 4) + if (drive->driveid->capability & 4) AP |= 0x20; /* set IORDY_EN bit */ if (drive->media == ide_disk) AP |= 0x10; /* set Prefetch_EN bit */ @@ -154,10 +154,10 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif) static void pdc202xx_quirkproc(ide_drive_t *drive) { - const char **list, *model = drive->id->model; + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(model, *list) != NULL) { + if (strstr(m, *list) != NULL) { drive->quirk_list = 2; return; } diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 8efaed16fea3..5c8367df14e4 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -105,16 +105,18 @@ static u8 sc1200_udma_filter(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; - struct hd_driveid *mateid = mate->id; + u16 *mateid = mate->id; u8 mask = hwif->ultra_mask; if (mate->present == 0) goto out; - if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { - if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7)) + if ((mate->driveid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { + if ((mateid[ATA_ID_FIELD_VALID] & 4) && + (mateid[ATA_ID_UDMA_MODES] & 7)) goto out; - if ((mateid->field_valid & 2) && (mateid->dma_mword & 7)) + if ((mateid[ATA_ID_FIELD_VALID] & 2) && + (mateid[ATA_ID_MWDMA_MODES] & 7)) mask = 0; } out: diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index c3bdc6e51a48..ded6a13fd406 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -57,8 +57,10 @@ static struct pci_dev *isa_dev; static int check_in_drive_lists (ide_drive_t *drive, const char **list) { + char *m = (char *)&drive->id[ATA_ID_PROD]; + while (*list) - if (!strcmp(*list++, drive->id->model)) + if (!strcmp(*list++, m)) return 1; return 0; } diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index db2b88a369ab..7b5bd8729f64 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -223,7 +223,9 @@ static u8 sil_pata_udma_filter(ide_drive_t *drive) static u8 sil_sata_udma_filter(ide_drive_t *drive) { - return strstr(drive->id->model, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6; + char *m = (char *)&drive->id[ATA_ID_PROD]; + + return strstr(m, "Maxtor") ? ATA_UDMA5 : ATA_UDMA6; } /** @@ -616,8 +618,8 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) static int is_dev_seagate_sata(ide_drive_t *drive) { - const char *s = &drive->id->model[0]; - unsigned len = strnlen(s, sizeof(drive->id->model)); + const char *s = (const char *)&drive->id[ATA_ID_PROD]; + unsigned len = strnlen(s, ATA_ID_PROD_LEN); if ((len > 4) && (!memcmp(s, "ST", 2))) if ((!memcmp(s + len - 2, "AS", 2)) || diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index fa2be26272d5..c3432da78d52 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -669,9 +669,9 @@ static void set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2, u8 speed) { + u16 *id = drive->id; int cycleTime, accessTime = 0, recTime = 0; unsigned accessTicks, recTicks; - struct hd_driveid *id = drive->id; struct mdma_timings_t* tm = NULL; int i; @@ -686,8 +686,8 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2, } /* Check if drive provides explicit DMA cycle time */ - if ((id->field_valid & 2) && id->eide_dma_time) - cycleTime = max_t(int, id->eide_dma_time, cycleTime); + if ((id[ATA_ID_FIELD_VALID] & 2) && id[ATA_ID_EIDE_DMA_TIME]) + cycleTime = max_t(int, id[ATA_ID_EIDE_DMA_TIME], cycleTime); /* OHare limits according to some old Apple sources */ if ((intf_type == controller_ohare) && (cycleTime < 150)) diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 81c16cba5417..b1b506f31be8 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -452,7 +452,7 @@ static inline void idescsi_add_settings(ide_drive_t *drive) { ; } */ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) { - if (drive->id && (drive->id->config & 0x0060) == 0x20) + if ((drive->id[ATA_ID_CONFIG] & 0x0060) == 0x20) set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags); clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform); #if IDESCSI_DEBUG_LOG @@ -811,6 +811,7 @@ static int ide_scsi_probe(ide_drive_t *drive) struct gendisk *g; static int warned; int err = -ENOMEM; + u16 last_lun; if (!warned && drive->media == ide_cdrom) { printk(KERN_WARNING "ide-scsi is deprecated for cd burning! Use ide-cd and give dev=/dev/hdX as device\n"); @@ -836,12 +837,12 @@ static int ide_scsi_probe(ide_drive_t *drive) host->max_id = 1; - if (drive->id->last_lun) - debug_log("%s: id->last_lun=%u\n", drive->name, - drive->id->last_lun); + last_lun = drive->id[ATA_ID_LAST_LUN]; + if (last_lun) + debug_log("%s: last_lun=%u\n", drive->name, last_lun); - if ((drive->id->last_lun & 0x7) != 7) - host->max_lun = (drive->id->last_lun & 0x7) + 1; + if ((last_lun & 7) != 7) + host->max_lun = (last_lun & 7) + 1; else host->max_lun = 1; diff --git a/include/linux/ide.h b/include/linux/ide.h index 6514db8fd2e4..0c85aff3edf1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -380,7 +380,11 @@ struct ide_drive_s { struct request *rq; /* current request */ struct ide_drive_s *next; /* circular list of hwgroup drives */ void *driver_data; /* extra driver data */ - struct hd_driveid *id; /* drive model identification info */ + union { + /* identification info */ + struct hd_driveid *driveid; + u16 *id; + }; #ifdef CONFIG_IDE_PROC_FS struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ struct ide_settings_s *settings;/* /proc/ide/ drive settings */ @@ -920,7 +924,7 @@ ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat); -extern void ide_fix_driveid(struct hd_driveid *); +void ide_fix_driveid(u16 *); extern void ide_fixstring(u8 *, const int, const int); @@ -1240,7 +1244,7 @@ struct drive_list_entry { const char *id_firmware; }; -int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); +int ide_in_drive_list(u16 *, const struct drive_list_entry *); #ifdef CONFIG_BLK_DEV_IDEDMA int __ide_dma_bad_drive(ide_drive_t *); @@ -1347,12 +1351,13 @@ const char *ide_xfer_verbose(u8 mode); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); -static inline int ide_dev_has_iordy(struct hd_driveid *id) +static inline int ide_dev_has_iordy(u16 *id) { - return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0; + return ((id[ATA_ID_FIELD_VALID] & 2) && + (((struct hd_driveid *)id)->capability & 8)) ? 1 : 0; } -static inline int ide_dev_is_sata(struct hd_driveid *id) +static inline int ide_dev_is_sata(u16 *id) { /* * See if word 93 is 0 AND drive is at least ATA-5 compatible @@ -1360,7 +1365,7 @@ static inline int ide_dev_is_sata(struct hd_driveid *id) * this trick allows us to filter out the reserved values of * 0x0000 and 0xffff along with the earlier ATA revisions... */ - if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020) + if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020) return 1; return 0; } @@ -1437,11 +1442,11 @@ extern struct bus_type ide_bus_type; extern struct class *ide_port_class; /* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */ -#define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000) +#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x3000) /* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ #define ide_id_has_flush_cache_ext(id) \ - (((id)->cfs_enable_2 & 0x2400) == 0x2400) + (((id)[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400) static inline void ide_dump_identify(u8 *id) { -- GitLab From 48fb2688aa67baba373531cc4ed2d9e695983c3f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:19 +0200 Subject: [PATCH 3538/6244] ide: remove drive->driveid * Factor out HDIO_[OBSOLETE,GET]_IDENTITY ioctls handling to ide_get_identity_ioctl(). * Use temporary buffer in ide_get_identity_ioctl() instead of accessing drive->id directly. * Add ide_id_to_hd_driveid() inline to convert raw id into struct hd_driveid format (needed on big-endian). * Use ide_id_to_hd_driveid() in ide_get_identity_ioctl(), cleanup ide_fix_driveid() and switch ide to use use raw id. * Remove no longer needed drive->driveid. This leaves us with 3 users of struct hd_driveid in tree: - arch/um/drivers/ubd_kern.c - drivers/block/xsysace.c - drivers/usb/storage/isd200.c While at it: * Use ata_id_u{32,64}() and ata_id_has_{dma,lba,iordy}() macros. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 23 +++++++------ drivers/ide/ide-dma.c | 6 ++-- drivers/ide/ide-iops.c | 20 ++---------- drivers/ide/ide-lib.c | 4 +-- drivers/ide/ide-probe.c | 22 ++++++------- drivers/ide/ide-timings.c | 2 +- drivers/ide/ide.c | 59 +++++++++++++++++++++++++++++----- drivers/ide/legacy/qd65xx.c | 4 +-- drivers/ide/pci/cs5530.c | 2 +- drivers/ide/pci/it821x.c | 4 +-- drivers/ide/pci/pdc202xx_old.c | 2 +- drivers/ide/pci/sc1200.c | 2 +- include/linux/ide.h | 9 ++---- 13 files changed, 90 insertions(+), 69 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index f1669bca3cab..8f1ec037309a 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -101,13 +101,14 @@ static void ide_disk_put(struct ide_disk_obj *idkp) */ static int lba_capacity_is_ok(u16 *id) { - struct hd_driveid *driveid = (struct hd_driveid *)id; unsigned long lba_sects, chs_sects, head, tail; /* No non-LBA info .. so valid! */ if (id[ATA_ID_CYLS] == 0) return 1; + lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); + /* * The ATA spec tells large drives to return * C/H/S = 16383/16/63 independent of their size. @@ -118,10 +119,9 @@ static int lba_capacity_is_ok(u16 *id) (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && id[ATA_ID_SECTORS] == 63 && (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && - (driveid->lba_capacity >= 16383 * 63 * id[ATA_ID_HEADS])) + (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) return 1; - lba_sects = driveid->lba_capacity; chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; /* perform a rough sanity check on lba_sects: within 10% is OK */ @@ -133,7 +133,7 @@ static int lba_capacity_is_ok(u16 *id) tail = (lba_sects & 0xffff); lba_sects = (head | (tail << 16)); if ((lba_sects - chs_sects) < chs_sects/10) { - driveid->lba_capacity = lba_sects; + *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); return 1; /* lba_capacity is (now) good */ } @@ -403,7 +403,7 @@ static inline int idedisk_supports_lba48(const u16 *id) { return (id[ATA_ID_COMMAND_SET_2] & 0x0400) && (id[ATA_ID_CFS_ENABLE_2] & 0x0400) && - ((struct hd_driveid *)id)->lba_capacity_2; + ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); } /* @@ -456,7 +456,6 @@ static void idedisk_check_hpa(ide_drive_t *drive) static void init_idedisk_capacity(ide_drive_t *drive) { - struct hd_driveid *driveid = drive->driveid; u16 *id = drive->id; /* * If this drive supports the Host Protected Area feature set, @@ -467,13 +466,13 @@ static void init_idedisk_capacity(ide_drive_t *drive) if (idedisk_supports_lba48(id)) { /* drive speaks 48-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = driveid->lba_capacity_2; + drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); if (hpa) idedisk_check_hpa(drive); - } else if ((driveid->capability & 2) && lba_capacity_is_ok(id)) { + } else if (ata_id_has_lba(id) && lba_capacity_is_ok(id)) { /* drive speaks 28-bit LBA */ drive->select.b.lba = 1; - drive->capacity64 = driveid->lba_capacity; + drive->capacity64 = ata_id_u32(id, ATA_ID_LBA_CAPACITY); if (hpa) idedisk_check_hpa(drive); } else { @@ -622,7 +621,7 @@ static int set_multcount(ide_drive_t *drive, int arg) struct request *rq; int error; - if (arg < 0 || arg > drive->driveid->max_multsect) + if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff)) return -EINVAL; if (drive->special.b.set_multmode) @@ -775,8 +774,8 @@ static void idedisk_add_settings(ide_drive_t *drive) ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, &drive->addressing, set_lba_addressing); ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, - drive->driveid->max_multsect, 1, 1, &drive->mult_count, - set_multcount); + drive->id[ATA_ID_MAX_MULTSECT] & 0xff, 1, 1, + &drive->mult_count, set_multcount); ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr); ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1, diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index abab26de7687..15e608f52eba 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -649,8 +649,8 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode) case XFER_SW_DMA_0: if (id[ATA_ID_FIELD_VALID] & 2) { mask = id[ATA_ID_SWDMA_MODES] & hwif->swdma_mask; - } else if (drive->driveid->tDMA) { - u8 mode = drive->driveid->tDMA; + } else if (id[ATA_ID_OLD_DMA_MODES] >> 8) { + u8 mode = id[ATA_ID_OLD_DMA_MODES] >> 8; /* * if the mode is valid convert it to the mask @@ -727,7 +727,7 @@ static int ide_tune_dma(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 speed; - if (drive->nodma || (drive->driveid->capability & 1) == 0) + if (drive->nodma || ata_id_has_dma(drive->id) == 0) return 0; /* consult the list of known "bad" drives */ diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 01b1943b315e..95495e4219ff 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -404,26 +404,10 @@ void ide_fix_driveid(u16 *id) { #ifndef __LITTLE_ENDIAN # ifdef __BIG_ENDIAN - struct hd_driveid *driveid = (struct hd_driveid *)id; int i; - for (i = 0; i < 256; i++) { - /* these words are accessed as two 8-bit values */ - if (i == 47 || i == 49 || i == 51 || i == 52 || i == 59) - continue; - if (i == 60 || i == 61) /* ->lba_capacity is 32-bit */ - continue; - if (i == 98 || i == 99) /* ->spg is 32-bit */ - continue; - if (i > 99 && i < 104) /* ->lba_capacity_2 is 64-bit */ - continue; - + for (i = 0; i < 256; i++) id[i] = __le16_to_cpu(id[i]); - } - - driveid->lba_capacity = __le32_to_cpu(driveid->lba_capacity); - driveid->spg = __le32_to_cpu(driveid->spg); - driveid->lba_capacity_2 = __le64_to_cpu(driveid->lba_capacity_2); # else # error "Please fix " # endif @@ -752,7 +736,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) #endif /* Skip setting PIO flow-control modes on pre-EIDE drives */ - if ((speed & 0xf8) == XFER_PIO_0 && !(drive->driveid->capability & 8)) + if ((speed & 0xf8) == XFER_PIO_0 && ata_id_has_iordy(drive->id) == 0) goto skip; /* diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 3066d7e75c73..738c007a04d3 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -102,14 +102,14 @@ u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode) if (pio_mode != -1) { printk(KERN_INFO "%s: is on PIO blacklist\n", drive->name); } else { - pio_mode = drive->driveid->tPIO; + pio_mode = id[ATA_ID_OLD_PIO_MODES] >> 8; if (pio_mode > 2) { /* 2 is maximum allowed tPIO value */ pio_mode = 2; overridden = 1; } if (id[ATA_ID_FIELD_VALID] & 2) { /* ATA2? */ - if (drive->driveid->capability & 8) { /* IORDY sup? */ + if (ata_id_has_iordy(id)) { if (id[ATA_ID_PIO_MODES] & 7) { overridden = 0; if (id[ATA_ID_PIO_MODES] & 4) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index b4f8ca106639..1bb4b2c0e2f4 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -87,20 +87,20 @@ static void ide_disk_init_chs(ide_drive_t *drive) static void ide_disk_init_mult_count(ide_drive_t *drive) { - struct hd_driveid *id = drive->driveid; + u16 *id = drive->id; + u8 max_multsect = id[ATA_ID_MAX_MULTSECT] & 0xff; - if (id->max_multsect) { + if (max_multsect) { #ifdef CONFIG_IDEDISK_MULTI_MODE - if ((id->max_multsect / 2) > 1) { - id->multsect = id->max_multsect; - id->multsect_valid = 1; - } else { - id->multsect = 0; - id->multsect_valid = 0; - } - drive->mult_req = id->multsect; + if ((max_multsect / 2) > 1) + id[ATA_ID_MULTSECT] = max_multsect | 0x100; + else + id[ATA_ID_MULTSECT] &= ~0x1ff; + + drive->mult_req = id[ATA_ID_MULTSECT] & 0xff; #endif - if ((id->multsect_valid & 1) && id->multsect) + if ((id[ATA_ID_MULTSECT] & 0x100) && + (id[ATA_ID_MULTSECT] & 0xff)) drive->special.b.set_multmode = 1; } } diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c index d64f345f2fc0..96e3d467a74c 100644 --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -83,7 +83,7 @@ u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio) u16 cycle = 0; if (id[ATA_ID_FIELD_VALID] & 2) { - if (drive->driveid->capability & 8) + if (ata_id_has_iordy(drive->id)) cycle = id[ATA_ID_EIDE_PIO_IORDY]; else cycle = id[ATA_ID_EIDE_PIO]; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 8d3fab33a3c7..21b3a767e7d7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -328,7 +328,7 @@ int set_using_dma(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if ((drive->driveid->capability & 1) == 0) + if (ata_id_has_dma(drive->id) == 0) goto out; if (hwif->dma_ops == NULL) @@ -502,12 +502,60 @@ static int generic_drive_reset(ide_drive_t *drive) return ret; } +static inline void ide_id_to_hd_driveid(u16 *id) +{ +#ifdef __BIG_ENDIAN + /* accessed in struct hd_driveid as 8-bit values */ + id[ATA_ID_MAX_MULTSECT] = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]); + id[ATA_ID_CAPABILITY] = __cpu_to_le16(id[ATA_ID_CAPABILITY]); + id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]); + id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]); + id[ATA_ID_MULTSECT] = __cpu_to_le16(id[ATA_ID_MULTSECT]); + + /* as 32-bit values */ + *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY); + *(u32 *)&id[ATA_ID_SPG] = ata_id_u32(id, ATA_ID_SPG); + + /* as 64-bit value */ + *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] = + ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); +#endif +} + +static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, + unsigned long arg) +{ + u16 *id = NULL; + int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142; + int rc = 0; + + if (drive->id_read == 0) { + rc = -ENOMSG; + goto out; + } + + id = kmalloc(size, GFP_KERNEL); + if (id == NULL) { + rc = -ENOMEM; + goto out; + } + + memcpy(id, drive->id, size); + ide_id_to_hd_driveid(id); + + if (copy_to_user((void __user *)arg, id, size)) + rc = -EFAULT; + + kfree(id); +out: + return rc; +} + int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, unsigned int cmd, unsigned long arg) { unsigned long flags; ide_driver_t *drv; - void __user *p = (void __user *)arg; int err = 0, (*setfunc)(ide_drive_t *, int); u8 *val; @@ -528,12 +576,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device case HDIO_GET_IDENTITY: if (bdev != bdev->bd_contains) return -EINVAL; - if (drive->id_read == 0) - return -ENOMSG; - if (copy_to_user(p, drive->id, (cmd == HDIO_GET_IDENTITY) ? sizeof(*drive->id) : 142)) - return -EFAULT; - return 0; - + return ide_get_identity_ioctl(drive, cmd, arg); case HDIO_GET_NICE: return put_user(drive->dsc_overlap << IDE_NICE_DSC_OVERLAP | drive->atapi_overlap << IDE_NICE_ATAPI_OVERLAP | diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index ef4e84053a81..6d7f548655e4 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -195,10 +195,10 @@ static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio) * FIXME: use "pio" value */ if (!qd_find_disk_type(drive, &active_time, &recovery_time) && - drive->driveid->tPIO && (id[ATA_ID_FIELD_VALID] & 2) && + (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) && id[ATA_ID_EIDE_PIO] >= 240) { printk(KERN_INFO "%s: PIO mode%d\n", drive->name, - drive->driveid->tPIO); + id[ATA_ID_OLD_PIO_MODES] & 0xff); active_time = 110; recovery_time = drive->id[ATA_ID_EIDE_PIO] - 120; } diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index 774ff58603a2..ef91e9d7c54f 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -88,7 +88,7 @@ static u8 cs5530_udma_filter(ide_drive_t *drive) if (mate->present == 0) goto out; - if ((mate->driveid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { + if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) { if ((mateid[ATA_ID_FIELD_VALID] & 4) && (mateid[ATA_ID_UDMA_MODES] & 7)) goto out; diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 31d4e6aef1b8..ed24065f74e8 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -470,7 +470,7 @@ static void it821x_quirkproc(ide_drive_t *drive) /* In raid mode the ident block is slightly buggy We need to set the bits so that the IDE layer knows LBA28. LBA48 and DMA ar valid */ - drive->driveid->capability |= 3; /* LBA28, DMA */ + id[ATA_ID_CAPABILITY] |= (3 << 8); /* LBA28, DMA */ id[ATA_ID_COMMAND_SET_2] |= 0x0400; /* LBA48 valid */ id[ATA_ID_CFS_ENABLE_2] |= 0x0400; /* LBA48 on */ /* Reporting logic */ @@ -504,7 +504,7 @@ static void it821x_quirkproc(ide_drive_t *drive) * IDE core that DMA is supported (it821x hardware * takes care of DMA mode programming). */ - if (drive->driveid->capability & 1) { + if (ata_id_has_dma(id)) { id[ATA_ID_MWDMA_MODES] |= 0x0101; drive->current_speed = XFER_MW_DMA_0; } diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 23e861b177ce..5d4436f3efd4 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -86,7 +86,7 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) * Prefetch_EN / IORDY_EN / PA[3:0] bits of register A */ AP &= ~0x3f; - if (drive->driveid->capability & 4) + if (ata_id_iordy_disable(drive->id)) AP |= 0x20; /* set IORDY_EN bit */ if (drive->media == ide_disk) AP |= 0x10; /* set Prefetch_EN bit */ diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 5c8367df14e4..695cc9742048 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -111,7 +111,7 @@ static u8 sc1200_udma_filter(ide_drive_t *drive) if (mate->present == 0) goto out; - if ((mate->driveid->capability & 1) && __ide_dma_bad_drive(mate) == 0) { + if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) { if ((mateid[ATA_ID_FIELD_VALID] & 4) && (mateid[ATA_ID_UDMA_MODES] & 7)) goto out; diff --git a/include/linux/ide.h b/include/linux/ide.h index 0c85aff3edf1..e887927e00e6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -380,11 +380,7 @@ struct ide_drive_s { struct request *rq; /* current request */ struct ide_drive_s *next; /* circular list of hwgroup drives */ void *driver_data; /* extra driver data */ - union { - /* identification info */ - struct hd_driveid *driveid; - u16 *id; - }; + u16 *id; /* identification info */ #ifdef CONFIG_IDE_PROC_FS struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ struct ide_settings_s *settings;/* /proc/ide/ drive settings */ @@ -1353,8 +1349,7 @@ extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); static inline int ide_dev_has_iordy(u16 *id) { - return ((id[ATA_ID_FIELD_VALID] & 2) && - (((struct hd_driveid *)id)->capability & 8)) ? 1 : 0; + return ((id[ATA_ID_FIELD_VALID] & 2) && ata_id_has_iordy(id)) ? 1 : 0; } static inline int ide_dev_is_sata(u16 *id) -- GitLab From dd8f46f64ae66659df3358fad73ed7699aa729dd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:19 +0200 Subject: [PATCH 3539/6244] ide: use ata_id_current_chs_valid() Replace open-coded checks by ata_id_current_chs_valid(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 1bb4b2c0e2f4..2f105f4bbdec 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -69,9 +69,7 @@ static void ide_disk_init_chs(ide_drive_t *drive) } /* Handle logical geometry translation by the drive */ - if ((id[ATA_ID_FIELD_VALID] & 1) && id[ATA_ID_CUR_CYLS] && - id[ATA_ID_CUR_HEADS] && id[ATA_ID_CUR_HEADS] <= 16 && - id[ATA_ID_CUR_SECTORS]) { + if (ata_id_current_chs_valid(id)) { drive->cyl = id[ATA_ID_CUR_CYLS]; drive->head = id[ATA_ID_CUR_HEADS]; drive->sect = id[ATA_ID_CUR_SECTORS]; -- GitLab From 8a089c6679a9f1c0a00b7e08554e90b507ec527a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:20 +0200 Subject: [PATCH 3540/6244] ide-disk: use ata_id_wcache_enabled() Replace open-coded check by ata_id_wcache_enabled() (which also checks validity of word 85). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 8f1ec037309a..696658d504db 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -889,7 +889,7 @@ static void idedisk_setup(ide_drive_t *drive) drive->bios_cyl, drive->bios_head, drive->bios_sect); /* write cache enabled? */ - if ((id[ATA_ID_CSFO] & 1) || (id[ATA_ID_CFS_ENABLE_1] & (1 << 5))) + if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id)) drive->wcache = 1; write_cache(drive, 1); -- GitLab From f41891c134ccdd07583ebd8d4af7fed883375672 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:20 +0200 Subject: [PATCH 3541/6244] ide-disk: use ata_id_hpa_enabled() idedisk_supports_hpa() -> ata_id_hpa_enabled(). The latter one also checks validity of words 82 & 85. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 696658d504db..40253c51ace4 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -385,17 +385,6 @@ static unsigned long long sectors_to_MB(unsigned long long n) return n; } -/* - * Bits 10 of command_set_1 and cfs_enable_1 must be equal, - * so on non-buggy drives we need test only one. - * However, we should also check whether these fields are valid. - */ -static inline int idedisk_supports_hpa(const u16 *id) -{ - return (id[ATA_ID_COMMAND_SET_1] & 0x0400) && - (id[ATA_ID_CFS_ENABLE_1] & 0x0400); -} - /* * The same here. */ @@ -461,7 +450,7 @@ static void init_idedisk_capacity(ide_drive_t *drive) * If this drive supports the Host Protected Area feature set, * then we may need to change our opinion about the drive's capacity. */ - int hpa = idedisk_supports_hpa(id); + int hpa = ata_id_hpa_enabled(id); if (idedisk_supports_lba48(id)) { /* drive speaks 48-bit LBA */ @@ -939,7 +928,7 @@ static int ide_disk_probe(ide_drive_t *drive); */ static void ide_disk_resume(ide_drive_t *drive) { - if (idedisk_supports_hpa(drive->id)) + if (ata_id_hpa_enabled(drive->id)) init_idedisk_capacity(drive); } -- GitLab From a4f19040a3a6cd431efe0a10b9d2e8d5e3904865 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:20 +0200 Subject: [PATCH 3542/6244] libata: WIN_* -> ATA_CMD_* Acked-by: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ata/libata-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 59fe051957ef..5d312dc9be9f 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -503,7 +503,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) scsi_cmd[0] = ATA_16; scsi_cmd[4] = args[2]; - if (args[0] == WIN_SMART) { /* hack -- ide driver does this too... */ + if (args[0] == ATA_CMD_SMART) { /* hack -- ide driver does this too */ scsi_cmd[6] = args[3]; scsi_cmd[8] = args[1]; scsi_cmd[10] = 0x4f; -- GitLab From aaaade3f059fa1b57283d4a7c8351a42ec747bf0 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:21 +0200 Subject: [PATCH 3543/6244] ide: WIN_* -> ATA_CMD_* * Use ATA_CMD_* defines instead of WIN_* ones. While at it: * EXABYTE_ENABLE_NEXT -> ATA_EXABYTE_ENABLE_NEST * SETFEATURES_{EN,DIS}_WCACHE -> SETFEATURES_WC_{ON,OFF} * SETFEATURES_{EN,DIS}_AAM -> SETFEATURES_AAM_{ON,OFF} * SMART_* -> ATA_SMART_* * Remove stale comment from ide-proc.c. Partially based on earlier work by Chris Wedgwood. Acked-by: Chris Wedgwood Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 2 +- drivers/ide/ide-cd.c | 2 +- drivers/ide/ide-disk.c | 68 +++++++++++++++++++------------------- drivers/ide/ide-io.c | 27 +++++++-------- drivers/ide/ide-iops.c | 10 +++--- drivers/ide/ide-probe.c | 34 +++++++++---------- drivers/ide/ide-proc.c | 10 +----- drivers/ide/ide-taskfile.c | 27 +++++++++------ drivers/scsi/ide-scsi.c | 2 +- 9 files changed, 89 insertions(+), 93 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index adf04f99cdeb..2433fce6c111 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -303,7 +303,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { - ide_execute_command(drive, WIN_PACKETCMD, handler, + ide_execute_command(drive, ATA_CMD_PACKET, handler, timeout, NULL); return ide_started; } else { diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 46f9720f1ec9..77e0f9ab7698 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -541,7 +541,7 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, drive->waiting_for_dma = 0; /* packet command */ - ide_execute_command(drive, WIN_PACKETCMD, handler, + ide_execute_command(drive, ATA_CMD_PACKET, handler, ATAPI_WAIT_PC, cdrom_timer_expiry); return ide_started; } else { diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 40253c51ace4..83da9a98dabc 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -141,18 +141,18 @@ static int lba_capacity_is_ok(u16 *id) } static const u8 ide_rw_cmds[] = { - WIN_MULTREAD, - WIN_MULTWRITE, - WIN_MULTREAD_EXT, - WIN_MULTWRITE_EXT, - WIN_READ, - WIN_WRITE, - WIN_READ_EXT, - WIN_WRITE_EXT, - WIN_READDMA, - WIN_WRITEDMA, - WIN_READDMA_EXT, - WIN_WRITEDMA_EXT, + ATA_CMD_READ_MULTI, + ATA_CMD_WRITE_MULTI, + ATA_CMD_READ_MULTI_EXT, + ATA_CMD_WRITE_MULTI_EXT, + ATA_CMD_PIO_READ, + ATA_CMD_PIO_WRITE, + ATA_CMD_PIO_READ_EXT, + ATA_CMD_PIO_WRITE_EXT, + ATA_CMD_READ, + ATA_CMD_WRITE, + ATA_CMD_READ_EXT, + ATA_CMD_WRITE_EXT, }; static const u8 ide_data_phases[] = { @@ -323,9 +323,9 @@ static u64 idedisk_read_native_max_address(ide_drive_t *drive, int lba48) /* Create IDE/ATA command request structure */ memset(&args, 0, sizeof(ide_task_t)); if (lba48) - tf->command = WIN_READ_NATIVE_MAX_EXT; + tf->command = ATA_CMD_READ_NATIVE_MAX_EXT; else - tf->command = WIN_READ_NATIVE_MAX; + tf->command = ATA_CMD_READ_NATIVE_MAX; tf->device = ATA_LBA; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; if (lba48) @@ -360,10 +360,10 @@ static u64 idedisk_set_max_address(ide_drive_t *drive, u64 addr_req, int lba48) tf->hob_lbal = (addr_req >>= 8) & 0xff; tf->hob_lbam = (addr_req >>= 8) & 0xff; tf->hob_lbah = (addr_req >>= 8) & 0xff; - tf->command = WIN_SET_MAX_EXT; + tf->command = ATA_CMD_SET_MAX_EXT; } else { tf->device = (addr_req >>= 8) & 0x0f; - tf->command = WIN_SET_MAX; + tf->command = ATA_CMD_SET_MAX; } tf->device |= ATA_LBA; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; @@ -482,10 +482,10 @@ static int smart_enable(ide_drive_t *drive) struct ide_taskfile *tf = &args.tf; memset(&args, 0, sizeof(ide_task_t)); - tf->feature = SMART_ENABLE; - tf->lbam = SMART_LCYL_PASS; - tf->lbah = SMART_HCYL_PASS; - tf->command = WIN_SMART; + tf->feature = ATA_SMART_ENABLE; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &args); } @@ -498,9 +498,9 @@ static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) memset(&args, 0, sizeof(ide_task_t)); tf->feature = sub_cmd; tf->nsect = 0x01; - tf->lbam = SMART_LCYL_PASS; - tf->lbah = SMART_HCYL_PASS; - tf->command = WIN_SMART; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; args.data_phase = TASKFILE_IN; (void) smart_enable(drive); @@ -558,14 +558,14 @@ static int proc_idedisk_read_sv (char *page, char **start, off_t off, int count, int *eof, void *data) { return proc_idedisk_read_smart(page, start, off, count, eof, data, - SMART_READ_VALUES); + ATA_SMART_READ_VALUES); } static int proc_idedisk_read_st (char *page, char **start, off_t off, int count, int *eof, void *data) { return proc_idedisk_read_smart(page, start, off, count, eof, data, - SMART_READ_THRESHOLDS); + ATA_SMART_READ_THRESHOLDS); } static ide_proc_entry_t idedisk_proc[] = { @@ -589,9 +589,9 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) memset(task, 0, sizeof(*task)); if (ide_id_has_flush_cache_ext(drive->id) && (drive->capacity64 >= (1UL << 28))) - task->tf.command = WIN_FLUSH_CACHE_EXT; + task->tf.command = ATA_CMD_FLUSH_EXT; else - task->tf.command = WIN_FLUSH_CACHE; + task->tf.command = ATA_CMD_FLUSH; task->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE | IDE_TFLAG_DYN; task->data_phase = TASKFILE_NO_DATA; @@ -686,8 +686,8 @@ static int write_cache(ide_drive_t *drive, int arg) if (ide_id_has_flush_cache(drive->id)) { memset(&args, 0, sizeof(ide_task_t)); args.tf.feature = arg ? - SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE; - args.tf.command = WIN_SETFEATURES; + SETFEATURES_WC_ON : SETFEATURES_WC_OFF; + args.tf.command = ATA_CMD_SET_FEATURES; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; err = ide_no_data_taskfile(drive, &args); if (err == 0) @@ -705,9 +705,9 @@ static int do_idedisk_flushcache(ide_drive_t *drive) memset(&args, 0, sizeof(ide_task_t)); if (ide_id_has_flush_cache_ext(drive->id)) - args.tf.command = WIN_FLUSH_CACHE_EXT; + args.tf.command = ATA_CMD_FLUSH_EXT; else - args.tf.command = WIN_FLUSH_CACHE; + args.tf.command = ATA_CMD_FLUSH; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &args); } @@ -720,9 +720,9 @@ static int set_acoustic(ide_drive_t *drive, int arg) return -EINVAL; memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? SETFEATURES_EN_AAM : SETFEATURES_DIS_AAM; + args.tf.feature = arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF; args.tf.nsect = arg; - args.tf.command = WIN_SETFEATURES; + args.tf.command = ATA_CMD_SET_FEATURES; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; ide_no_data_taskfile(drive, &args); drive->acoustic = arg; @@ -985,7 +985,7 @@ static int idedisk_set_doorlock(ide_drive_t *drive, int on) ide_task_t task; memset(&task, 0, sizeof(task)); - task.tf.command = on ? WIN_DOORLOCK : WIN_DOORUNLOCK; + task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK; task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; return ide_no_data_taskfile(drive, &task); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 1678043701df..ce9ecd138836 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -188,13 +188,13 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * return ide_stopped; } if (ide_id_has_flush_cache_ext(drive->id)) - args->tf.command = WIN_FLUSH_CACHE_EXT; + args->tf.command = ATA_CMD_FLUSH_EXT; else - args->tf.command = WIN_FLUSH_CACHE; + args->tf.command = ATA_CMD_FLUSH; goto out_do_tf; case idedisk_pm_standby: /* Suspend step 2 (standby) */ - args->tf.command = WIN_STANDBYNOW1; + args->tf.command = ATA_CMD_STANDBYNOW1; goto out_do_tf; case idedisk_pm_restore_pio: /* Resume step 1 (restore PIO) */ @@ -209,7 +209,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * return ide_stopped; case idedisk_pm_idle: /* Resume step 2 (idle) */ - args->tf.command = WIN_IDLEIMMEDIATE; + args->tf.command = ATA_CMD_IDLEIMMEDIATE; goto out_do_tf; case ide_pm_restore_dma: /* Resume step 3 (restore DMA) */ @@ -380,8 +380,8 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 /* err has different meaning on cdrom and tape */ if (err == ABRT_ERR) { if (drive->select.b.lba && - /* some newer drives don't support WIN_SPECIFY */ - hwif->tp_ops->read_status(hwif) == WIN_SPECIFY) + /* some newer drives don't support ATA_CMD_INIT_DEV_PARAMS */ + hwif->tp_ops->read_status(hwif) == ATA_CMD_INIT_DEV_PARAMS) return ide_stopped; } else if ((err & BAD_CRC) == BAD_CRC) { /* UDMA crc error, just retry the operation */ @@ -436,7 +436,7 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) /* force an abort */ - hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE); + hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE); if (rq->errors >= ERROR_MAX) { ide_kill_rq(drive, rq); @@ -509,19 +509,19 @@ static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) tf->lbam = drive->cyl; tf->lbah = drive->cyl >> 8; tf->device = ((drive->head - 1) | drive->select.all) & ~ATA_LBA; - tf->command = WIN_SPECIFY; + tf->command = ATA_CMD_INIT_DEV_PARAMS; } static void ide_tf_set_restore_cmd(ide_drive_t *drive, struct ide_taskfile *tf) { tf->nsect = drive->sect; - tf->command = WIN_RESTORE; + tf->command = ATA_CMD_RESTORE; } static void ide_tf_set_setmult_cmd(ide_drive_t *drive, struct ide_taskfile *tf) { tf->nsect = drive->mult_req; - tf->command = WIN_SETMULT; + tf->command = ATA_CMD_SET_MULTI; } static ide_startstop_t ide_disk_special(ide_drive_t *drive) @@ -584,9 +584,10 @@ static int set_pio_mode_abuse(ide_hwif_t *hwif, u8 req_pio) * do_special - issue some special commands * @drive: drive the command is for * - * do_special() is used to issue WIN_SPECIFY, WIN_RESTORE, and WIN_SETMULT - * commands to a drive. It used to do much more, but has been scaled - * back. + * do_special() is used to issue ATA_CMD_INIT_DEV_PARAMS, + * ATA_CMD_RESTORE and ATA_CMD_SET_MULTI commands to a drive. + * + * It used to do much more, but has been scaled back. */ static ide_startstop_t do_special (ide_drive_t *drive) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 95495e4219ff..21647a2eaff9 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -418,7 +418,7 @@ void ide_fix_driveid(u16 *id) * ide_fixstring() cleans up and (optionally) byte-swaps a text string, * removing leading/trailing blanks and compressing internal blanks. * It is primarily used to tidy up the model name/number fields as - * returned by the WIN_[P]IDENTIFY commands. + * returned by the ATA_CMD_ID_ATA[PI] commands. */ void ide_fixstring (u8 *s, const int bytecount, const int byteswap) @@ -675,7 +675,7 @@ int ide_driveid_update(ide_drive_t *drive) SELECT_MASK(drive, 1); tp_ops->set_irq(hwif, 0); msleep(50); - tp_ops->exec_command(hwif, WIN_IDENTIFY); + tp_ops->exec_command(hwif, ATA_CMD_ID_ATA); timeout = jiffies + WAIT_WORSTCASE; do { if (time_after(jiffies, timeout)) { @@ -770,7 +770,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) tp_ops->tf_load(drive, &task); - tp_ops->exec_command(hwif, WIN_SETFEATURES); + tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES); if (drive->quirk_list == 2) tp_ops->set_irq(hwif, 1); @@ -890,7 +890,7 @@ void ide_execute_pkt_cmd(ide_drive_t *drive) unsigned long flags; spin_lock_irqsave(&ide_lock, flags); - hwif->tp_ops->exec_command(hwif, WIN_PACKETCMD); + hwif->tp_ops->exec_command(hwif, ATA_CMD_PACKET); ndelay(400); spin_unlock_irqrestore(&ide_lock, flags); } @@ -1100,7 +1100,7 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) pre_reset(drive); SELECT_DRIVE(drive); udelay (20); - tp_ops->exec_command(hwif, WIN_SRST); + tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET); ndelay(400); hwgroup->poll_timeout = jiffies + WAIT_WORSTCASE; hwgroup->polling = 1; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 2f105f4bbdec..4829daacb342 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -132,10 +132,10 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) ide_fix_driveid(id); /* - * WIN_IDENTIFY returns little-endian info, - * WIN_PIDENTIFY *usually* returns little-endian info. + * ATA_CMD_ID_ATA returns little-endian info, + * ATA_CMD_ID_ATAPI *usually* returns little-endian info. */ - if (cmd == WIN_PIDENTIFY) { + if (cmd == ATA_CMD_ID_ATAPI) { if ((m[0] == 'N' && m[1] == 'E') || /* NEC */ (m[0] == 'F' && m[1] == 'X') || /* Mitsumi */ (m[0] == 'P' && m[1] == 'i')) /* Pioneer */ @@ -161,7 +161,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) /* * Check for an ATAPI device */ - if (cmd == WIN_PIDENTIFY) { + if (cmd == ATA_CMD_ID_ATAPI) { u8 type = (id[ATA_ID_CONFIG] >> 8) & 0x1f; printk(KERN_CONT "ATAPI "); @@ -277,7 +277,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) /* set features register for atapi * identify command to be sure of reply */ - if (cmd == WIN_PIDENTIFY) { + if (cmd == ATA_CMD_ID_ATAPI) { ide_task_t task; memset(&task, 0, sizeof(task)); @@ -290,7 +290,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) /* ask drive for ID */ tp_ops->exec_command(hwif, cmd); - timeout = ((cmd == WIN_IDENTIFY) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; + timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; timeout += jiffies; do { if (time_after(jiffies, timeout)) { @@ -440,13 +440,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd) if (drive->present) { /* avoid waiting for inappropriate probes */ - if ((drive->media != ide_disk) && (cmd == WIN_IDENTIFY)) + if (drive->media != ide_disk && cmd == ATA_CMD_ID_ATA) return 4; } #ifdef DEBUG printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n", drive->name, drive->present, drive->media, - (cmd == WIN_IDENTIFY) ? "ATA" : "ATAPI"); + (cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI"); #endif /* needed for some systems @@ -470,7 +470,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) stat = tp_ops->read_status(hwif); if (OK_STAT(stat, READY_STAT, BUSY_STAT) || - drive->present || cmd == WIN_PIDENTIFY) { + drive->present || cmd == ATA_CMD_ID_ATAPI) { /* send cmd and wait */ if ((rc = try_to_identify(drive, cmd))) { /* failed: try again */ @@ -482,13 +482,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd) if (stat == (BUSY_STAT | READY_STAT)) return 4; - if (rc == 1 && cmd == WIN_PIDENTIFY) { + if (rc == 1 && cmd == ATA_CMD_ID_ATAPI) { printk(KERN_ERR "%s: no response (status = 0x%02x), " "resetting drive\n", drive->name, stat); msleep(50); SELECT_DRIVE(drive); msleep(50); - tp_ops->exec_command(hwif, WIN_SRST); + tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET); (void)ide_busy_sleep(hwif); rc = try_to_identify(drive, cmd); } @@ -527,7 +527,7 @@ static void enable_nest (ide_drive_t *drive) SELECT_DRIVE(drive); msleep(50); - tp_ops->exec_command(hwif, EXABYTE_ENABLE_NEST); + tp_ops->exec_command(hwif, ATA_EXABYTE_ENABLE_NEST); if (ide_busy_sleep(hwif)) { printk(KERN_CONT "failed (timeout)\n"); @@ -544,10 +544,9 @@ static void enable_nest (ide_drive_t *drive) printk(KERN_CONT "success\n"); /* if !(success||timed-out) */ - if (do_probe(drive, WIN_IDENTIFY) >= 2) { + if (do_probe(drive, ATA_CMD_ID_ATA) >= 2) /* look for ATAPI device */ - (void) do_probe(drive, WIN_PIDENTIFY); - } + (void)do_probe(drive, ATA_CMD_ID_ATAPI); } /** @@ -590,10 +589,9 @@ static inline u8 probe_for_drive (ide_drive_t *drive) if (!drive->noprobe) { /* if !(success||timed-out) */ - if (do_probe(drive, WIN_IDENTIFY) >= 2) { + if (do_probe(drive, ATA_CMD_ID_ATA) >= 2) /* look for ATAPI device */ - (void) do_probe(drive, WIN_PIDENTIFY); - } + (void)do_probe(drive, ATA_CMD_ID_ATAPI); if (!drive->present) /* drive not found */ return 0; diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 0bdbb9bf90ba..22f41fa4e5b6 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -12,14 +12,6 @@ * "settings" files. e.g. "cat /proc/ide0/hda/settings" * To write a new value "val" into a specific setting "name", use: * echo "name:val" >/proc/ide/ide0/hda/settings - * - * Also useful, "cat /proc/ide0/hda/[identify, smart_values, - * smart_thresholds, capabilities]" will issue an IDENTIFY / - * PACKET_IDENTIFY / SMART_READ_VALUES / SMART_READ_THRESHOLDS / - * SENSE CAPABILITIES command to /dev/hda, and then dump out the - * returned data as 256 16-bit words. The "hdparm" utility will - * be updated someday soon to use this mechanism. - * */ #include @@ -349,7 +341,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) return -EINVAL; memset(&task, 0, sizeof(task)); - task.tf.command = WIN_SETFEATURES; + task.tf.command = ATA_CMD_SET_FEATURES; task.tf.feature = SETFEATURES_XFER; task.tf.nsect = (u8)arg; task.tf_flags = IDE_TFLAG_OUT_FEATURE | IDE_TFLAG_OUT_NSECT | diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index f889373d7f95..9224f6797186 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -44,9 +44,9 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf) memset(&args, 0, sizeof(ide_task_t)); args.tf.nsect = 0x01; if (drive->media == ide_disk) - args.tf.command = WIN_IDENTIFY; + args.tf.command = ATA_CMD_ID_ATA; else - args.tf.command = WIN_PIDENTIFY; + args.tf.command = ATA_CMD_ID_ATAPI; args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; args.data_phase = TASKFILE_IN; return ide_raw_taskfile(drive, &args, buf, 1); @@ -99,12 +99,17 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) case TASKFILE_NO_DATA: if (handler == NULL) handler = task_no_data_intr; - /* WIN_{SPECIFY,RESTORE,SETMULT} use custom handlers */ if (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) { switch (tf->command) { - case WIN_SPECIFY: handler = set_geometry_intr; break; - case WIN_RESTORE: handler = recal_intr; break; - case WIN_SETMULT: handler = set_multmode_intr; break; + case ATA_CMD_INIT_DEV_PARAMS: + handler = set_geometry_intr; + break; + case ATA_CMD_RESTORE: + handler = recal_intr; + break; + case ATA_CMD_SET_MULTI: + handler = set_multmode_intr; + break; } } ide_execute_command(drive, tf->command, handler, @@ -121,7 +126,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) EXPORT_SYMBOL_GPL(do_rw_taskfile); /* - * set_multmode_intr() is invoked on completion of a WIN_SETMULT cmd. + * set_multmode_intr() is invoked on completion of a ATA_CMD_SET_MULTI cmd. */ static ide_startstop_t set_multmode_intr(ide_drive_t *drive) { @@ -142,7 +147,7 @@ static ide_startstop_t set_multmode_intr(ide_drive_t *drive) } /* - * set_geometry_intr() is invoked on completion of a WIN_SPECIFY cmd. + * set_geometry_intr() is invoked on completion of a ATA_CMD_INIT_DEV_PARAMS cmd. */ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) { @@ -170,7 +175,7 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) } /* - * recal_intr() is invoked on completion of a WIN_RESTORE (recalibrate) cmd. + * recal_intr() is invoked on completion of a ATA_CMD_RESTORE (recalibrate) cmd. */ static ide_startstop_t recal_intr(ide_drive_t *drive) { @@ -747,7 +752,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) memset(&tfargs, 0, sizeof(ide_task_t)); tf->feature = args[2]; - if (args[0] == WIN_SMART) { + if (args[0] == ATA_CMD_SMART) { tf->nsect = args[3]; tf->lbal = args[1]; tf->lbam = 0x4f; @@ -769,7 +774,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) return -ENOMEM; } - if (tf->command == WIN_SETFEATURES && + if (tf->command == ATA_CMD_SET_FEATURES && tf->feature == SETFEATURES_XFER && tf->nsect >= XFER_SW_DMA_0 && (id[ATA_ID_UDMA_MODES] || diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index b1b506f31be8..167c3b625218 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -246,7 +246,7 @@ idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err) if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) /* force an abort */ - hwif->tp_ops->exec_command(hwif, WIN_IDLEIMMEDIATE); + hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE); rq->errors++; -- GitLab From f26b3d75959e9a0e43a2e1e1148c075592746c3d Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:21 +0200 Subject: [PATCH 3544/6244] hd: WIN_* -> ATA_CMD_* * Use ATA_CMD_* defines instead of WIN_* ones. * Include directly instead of through . Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/block/hd.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 682243bf2e46..482c0c4b964f 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #define REALLY_SLOW_IO @@ -370,7 +371,7 @@ repeat: struct hd_i_struct *disk = &hd_info[i]; disk->special_op = disk->recalibrate = 1; hd_out(disk, disk->sect, disk->sect, disk->head-1, - disk->cyl, WIN_SPECIFY, &reset_hd); + disk->cyl, ATA_CMD_INIT_DEV_PARAMS, &reset_hd); if (reset) goto repeat; } else @@ -558,7 +559,7 @@ static int do_special_op(struct hd_i_struct *disk, struct request *req) { if (disk->recalibrate) { disk->recalibrate = 0; - hd_out(disk, disk->sect, 0, 0, 0, WIN_RESTORE, &recal_intr); + hd_out(disk, disk->sect, 0, 0, 0, ATA_CMD_RESTORE, &recal_intr); return reset; } if (disk->head > 16) { @@ -631,13 +632,13 @@ repeat: if (blk_fs_request(req)) { switch (rq_data_dir(req)) { case READ: - hd_out(disk, nsect, sec, head, cyl, WIN_READ, + hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_READ, &read_intr); if (reset) goto repeat; break; case WRITE: - hd_out(disk, nsect, sec, head, cyl, WIN_WRITE, + hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_WRITE, &write_intr); if (reset) goto repeat; -- GitLab From 3a7d24841ad794ae64c90d7d00d62a83741912aa Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:21 +0200 Subject: [PATCH 3545/6244] ide: use ATA_* defines instead of *_STAT and *_ERR ones * ERR_STAT -> ATA_ERR * INDEX_STAT -> ATA_IDX * ECC_STAT -> ATA_CORR * DRQ_STAT -> ATA_DRQ * SEEK_STAT -> ATA_DSC * WRERR_STAT -> ATA_DF * READY_STAT -> ATA_DRDY * BUSY_STAT -> ATA_BUSY * MARK_ERR -> ATA_AMNF * TRK0_ERR -> ATA_TRK0NF * ABRT_ERR -> ATA_ABORTED * MCR_ERR -> ATA_MCR * ID_ERR -> ATA_IDNF * MC_ERR -> ATA_MC * ECC_ERR -> ATA_UNC * ICRC_ERR -> ATA_ICRC * BBD_ERR -> ATA_BBK Also: * ILI_ERR -> ATAPI_ILI * EOM_ERR -> ATAPI_EOM * LFS_ERR -> ATAPI_LFS * CD -> ATAPI_COD * IO -> ATAPI_IO Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 32 +++++++++++++------------ drivers/ide/ide-cd.c | 16 ++++++------- drivers/ide/ide-dma.c | 2 +- drivers/ide/ide-floppy.c | 2 +- drivers/ide/ide-io.c | 25 ++++++++++---------- drivers/ide/ide-iops.c | 22 ++++++++--------- drivers/ide/ide-lib.c | 48 +++++++++++++++++++------------------- drivers/ide/ide-probe.c | 16 ++++++------- drivers/ide/ide-tape.c | 6 ++--- drivers/ide/ide-taskfile.c | 26 ++++++++++----------- drivers/ide/ide.c | 8 +++---- drivers/ide/pci/ns87415.c | 6 ++--- drivers/ide/pci/scc_pata.c | 4 ++-- drivers/scsi/ide-scsi.c | 2 +- include/linux/ide.h | 15 ++++++------ 15 files changed, 117 insertions(+), 113 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 2433fce6c111..12674e6519e6 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -41,7 +41,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { if (hwif->dma_ops->dma_end(drive) || - (drive->media == ide_tape && !scsi && (stat & ERR_STAT))) { + (drive->media == ide_tape && !scsi && (stat & ATA_ERR))) { if (drive->media == ide_floppy && !scsi) printk(KERN_ERR "%s: DMA %s error\n", drive->name, rq_data_dir(pc->rq) @@ -56,7 +56,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, } /* No more interrupts */ - if ((stat & DRQ_STAT) == 0) { + if ((stat & ATA_DRQ) == 0) { debug_log("Packet command completed, %d bytes transferred\n", pc->xferred); @@ -65,10 +65,10 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, local_irq_enable_in_hardirq(); if (drive->media == ide_tape && !scsi && - (stat & ERR_STAT) && rq->cmd[0] == REQUEST_SENSE) - stat &= ~ERR_STAT; + (stat & ATA_ERR) && rq->cmd[0] == REQUEST_SENSE) + stat &= ~ATA_ERR; - if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { + if ((stat & ATA_ERR) || (pc->flags & PC_FLAG_DMA_ERROR)) { /* Error detected */ debug_log("%s: I/O error\n", drive->name); @@ -95,7 +95,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, cmd_finished: pc->error = 0; if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && - (stat & SEEK_STAT) == 0) { + (stat & ATA_DSC) == 0) { dsc_handle(drive); return ide_stopped; } @@ -117,17 +117,18 @@ cmd_finished: /* Get the number of bytes to transfer on this interrupt. */ ide_read_bcount_and_ireason(drive, &bcount, &ireason); - if (ireason & CD) { + if (ireason & ATAPI_COD) { printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__); return ide_do_reset(drive); } - if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { + if (((ireason & ATAPI_IO) == ATAPI_IO) == + !!(pc->flags & PC_FLAG_WRITING)) { /* Hopefully, we will never get here */ printk(KERN_ERR "%s: We wanted to %s, but the device wants us " "to %s!\n", drive->name, - (ireason & IO) ? "Write" : "Read", - (ireason & IO) ? "Read" : "Write"); + (ireason & ATAPI_IO) ? "Write" : "Read", + (ireason & ATAPI_IO) ? "Read" : "Write"); return ide_do_reset(drive); } @@ -205,7 +206,8 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) { int retries = 100; - while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) { + while (retries-- && ((ireason & ATAPI_COD) == 0 || + (ireason & ATAPI_IO))) { printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " "a packet command, retrying\n", drive->name); udelay(100); @@ -214,8 +216,8 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) printk(KERN_ERR "%s: (IO,CoD != (0,1) while issuing " "a packet command, ignoring\n", drive->name); - ireason |= CD; - ireason &= ~IO; + ireason |= ATAPI_COD; + ireason &= ~ATAPI_IO; } } @@ -231,7 +233,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_startstop_t startstop; u8 ireason; - if (ide_wait_stat(&startstop, drive, DRQ_STAT, BUSY_STAT, WAIT_READY)) { + if (ide_wait_stat(&startstop, drive, ATA_DRQ, ATA_BUSY, WAIT_READY)) { printk(KERN_ERR "%s: Strange, packet command initiated yet " "DRQ isn't asserted\n", drive->name); return startstop; @@ -241,7 +243,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, if (drive->media == ide_tape && !drive->scsi) ireason = ide_wait_ireason(drive, ireason); - if ((ireason & CD) == 0 || (ireason & IO)) { + if ((ireason & ATAPI_COD) == 0 || (ireason & ATAPI_IO)) { printk(KERN_ERR "%s: (IO,CoD) != (0,1) while issuing " "a packet command\n", drive->name); return ide_do_reset(drive); diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 77e0f9ab7698..239557f8920e 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -436,7 +436,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) ide_dump_status_no_sense(drive, "media error (blank)", stat); do_end_request = 1; - } else if ((err & ~ABRT_ERR) != 0) { + } else if ((err & ~ATA_ABORTED) != 0) { /* go to the default handler for other errors */ ide_error(drive, "cdrom_decode_status", stat); return 1; @@ -457,7 +457,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) * If we got a CHECK_CONDITION status, queue * a request sense command. */ - if (stat & ERR_STAT) + if (stat & ATA_ERR) cdrom_queue_request_sense(drive, NULL, NULL); } else { blk_dump_rq_flags(rq, "ide-cd: bad rq"); @@ -468,7 +468,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) return 1; end_request: - if (stat & ERR_STAT) { + if (stat & ATA_ERR) { unsigned long flags; spin_lock_irqsave(&ide_lock, flags); @@ -574,7 +574,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, */ /* check for errors */ - if (cdrom_decode_status(drive, DRQ_STAT, NULL)) + if (cdrom_decode_status(drive, ATA_DRQ, NULL)) return ide_stopped; /* ok, next interrupt will be DMA interrupt */ @@ -582,8 +582,8 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, drive->waiting_for_dma = 1; } else { /* otherwise, we must wait for DRQ to get set */ - if (ide_wait_stat(&startstop, drive, DRQ_STAT, - BUSY_STAT, WAIT_READY)) + if (ide_wait_stat(&startstop, drive, ATA_DRQ, + ATA_BUSY, WAIT_READY)) return startstop; } @@ -938,7 +938,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) thislen = len; /* If DRQ is clear, the command has completed. */ - if ((stat & DRQ_STAT) == 0) { + if ((stat & ATA_DRQ) == 0) { if (blk_fs_request(rq)) { /* * If we're not done reading/writing, complain. @@ -1206,7 +1206,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, unsigned long elapsed = jiffies - info->start_seek; int stat = hwif->tp_ops->read_status(hwif); - if ((stat & SEEK_STAT) != SEEK_STAT) { + if ((stat & ATA_DSC) != ATA_DSC) { if (elapsed < IDECD_SEEK_TIMEOUT) { ide_stall_queue(drive, IDECD_SEEK_TIMER); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 15e608f52eba..ef2f1504c0d5 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -106,7 +106,7 @@ ide_startstop_t ide_dma_intr (ide_drive_t *drive) dma_stat = hwif->dma_ops->dma_end(drive); stat = hwif->tp_ops->read_status(hwif); - if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) { + if (OK_STAT(stat, DRIVE_READY, drive->bad_wstat | ATA_DRQ)) { if (!dma_stat) { struct request *rq = HWGROUP(drive)->rq; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 67f93a46f510..59baa9643f8b 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -945,7 +945,7 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg) stat = hwif->tp_ops->read_status(hwif); local_irq_restore(flags); - progress_indication = ((stat & SEEK_STAT) == 0) ? 0 : 0x10000; + progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000; } if (put_user(progress_indication, arg)) return (-EFAULT); diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index ce9ecd138836..8dd7b46b41b7 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -322,7 +322,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) ide_task_t *task = (ide_task_t *)rq->special; if (rq->errors == 0) - rq->errors = !OK_STAT(stat, READY_STAT, BAD_STAT); + rq->errors = !OK_STAT(stat, ATA_DRDY, BAD_STAT); if (task) { struct ide_taskfile *tf = &task->tf; @@ -373,12 +373,12 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 { ide_hwif_t *hwif = drive->hwif; - if (stat & BUSY_STAT || ((stat & WRERR_STAT) && !drive->nowerr)) { + if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) { /* other bits are useless when BUSY */ rq->errors |= ERROR_RESET; - } else if (stat & ERR_STAT) { + } else if (stat & ATA_ERR) { /* err has different meaning on cdrom and tape */ - if (err == ABRT_ERR) { + if (err == ATA_ABORTED) { if (drive->select.b.lba && /* some newer drives don't support ATA_CMD_INIT_DEV_PARAMS */ hwif->tp_ops->read_status(hwif) == ATA_CMD_INIT_DEV_PARAMS) @@ -386,16 +386,16 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 } else if ((err & BAD_CRC) == BAD_CRC) { /* UDMA crc error, just retry the operation */ drive->crc_count++; - } else if (err & (BBD_ERR | ECC_ERR)) { + } else if (err & (ATA_BBK | ATA_UNC)) { /* retries won't help these */ rq->errors = ERROR_MAX; - } else if (err & TRK0_ERR) { + } else if (err & ATA_TRK0NF) { /* help it find track zero */ rq->errors |= ERROR_RECAL; } } - if ((stat & DRQ_STAT) && rq_data_dir(rq) == READ && + if ((stat & ATA_DRQ) && rq_data_dir(rq) == READ && (hwif->host_flags & IDE_HFLAG_ERROR_STOPS_FIFO) == 0) { int nsect = drive->mult_count ? drive->mult_count : 1; @@ -407,7 +407,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 return ide_stopped; } - if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ)) rq->errors |= ERROR_RESET; if ((rq->errors & ERROR_RESET) == ERROR_RESET) { @@ -427,14 +427,14 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u { ide_hwif_t *hwif = drive->hwif; - if (stat & BUSY_STAT || ((stat & WRERR_STAT) && !drive->nowerr)) { + if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) { /* other bits are useless when BUSY */ rq->errors |= ERROR_RESET; } else { /* add decoding error stuff */ } - if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ)) /* force an abort */ hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE); @@ -804,7 +804,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) ide_check_pm_state(drive, rq); SELECT_DRIVE(drive); - if (ide_wait_stat(&startstop, drive, drive->ready_stat, BUSY_STAT|DRQ_STAT, WAIT_READY)) { + if (ide_wait_stat(&startstop, drive, drive->ready_stat, + ATA_BUSY | ATA_DRQ, WAIT_READY)) { printk(KERN_ERR "%s: drive not ready for command\n", drive->name); return startstop; } @@ -1324,7 +1325,7 @@ static void unexpected_intr (int irq, ide_hwgroup_t *hwgroup) if (hwif->irq == irq) { stat = hwif->tp_ops->read_status(hwif); - if (!OK_STAT(stat, READY_STAT, BAD_STAT)) { + if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) { /* Try to not flood the console with msgs */ static unsigned long last_msgtime, count; ++count; diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 21647a2eaff9..8cfa6125c7a4 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -473,7 +473,7 @@ int drive_is_ready (ide_drive_t *drive) /* Note: this may clear a pending IRQ!! */ stat = hwif->tp_ops->read_status(hwif); - if (stat & BUSY_STAT) + if (stat & ATA_BUSY) /* drive busy: definitely not interrupting */ return 0; @@ -505,10 +505,10 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti udelay(1); /* spec allows drive 400ns to assert "BUSY" */ stat = tp_ops->read_status(hwif); - if (stat & BUSY_STAT) { + if (stat & ATA_BUSY) { local_irq_set(flags); timeout += jiffies; - while ((stat = tp_ops->read_status(hwif)) & BUSY_STAT) { + while ((stat = tp_ops->read_status(hwif)) & ATA_BUSY) { if (time_after(jiffies, timeout)) { /* * One last read after the timeout in case @@ -516,7 +516,7 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti * progress during the timeout.. */ stat = tp_ops->read_status(hwif); - if (!(stat & BUSY_STAT)) + if ((stat & ATA_BUSY) == 0) break; local_irq_restore(flags); @@ -685,12 +685,12 @@ int ide_driveid_update(ide_drive_t *drive) msleep(50); /* give drive a breather */ stat = tp_ops->read_altstatus(hwif); - } while (stat & BUSY_STAT); + } while (stat & ATA_BUSY); - msleep(50); /* wait for IRQ and DRQ_STAT */ + msleep(50); /* wait for IRQ and ATA_DRQ */ stat = tp_ops->read_status(hwif); - if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) { + if (!OK_STAT(stat, ATA_DRQ, BAD_R_STAT)) { SELECT_MASK(drive, 0); printk("%s: CHECK for good STATUS\n", drive->name); return 0; @@ -776,7 +776,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) tp_ops->set_irq(hwif, 1); error = __ide_wait_stat(drive, drive->ready_stat, - BUSY_STAT|DRQ_STAT|ERR_STAT, + ATA_BUSY | ATA_DRQ | ATA_ERR, WAIT_CMD, &stat); SELECT_MASK(drive, 0); @@ -923,7 +923,7 @@ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive) udelay (10); stat = hwif->tp_ops->read_status(hwif); - if (OK_STAT(stat, 0, BUSY_STAT)) + if (OK_STAT(stat, 0, ATA_BUSY)) printk("%s: ATAPI reset complete\n", drive->name); else { if (time_before(jiffies, hwgroup->poll_timeout)) { @@ -969,7 +969,7 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) tmp = hwif->tp_ops->read_status(hwif); - if (!OK_STAT(tmp, 0, BUSY_STAT)) { + if (!OK_STAT(tmp, 0, ATA_BUSY)) { if (time_before(jiffies, hwgroup->poll_timeout)) { ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL); /* continue polling */ @@ -1183,7 +1183,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout) */ mdelay(1); stat = hwif->tp_ops->read_status(hwif); - if ((stat & BUSY_STAT) == 0) + if ((stat & ATA_BUSY) == 0) return 0; /* * Assume a value of 0xff means nothing is connected to diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index 738c007a04d3..c5c37bfd8b09 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -340,16 +340,16 @@ static void ide_dump_sector(ide_drive_t *drive) static void ide_dump_ata_error(ide_drive_t *drive, u8 err) { printk("{ "); - if (err & ABRT_ERR) printk("DriveStatusError "); - if (err & ICRC_ERR) - printk((err & ABRT_ERR) ? "BadCRC " : "BadSector "); - if (err & ECC_ERR) printk("UncorrectableError "); - if (err & ID_ERR) printk("SectorIdNotFound "); - if (err & TRK0_ERR) printk("TrackZeroNotFound "); - if (err & MARK_ERR) printk("AddrMarkNotFound "); + if (err & ATA_ABORTED) printk("DriveStatusError "); + if (err & ATA_ICRC) + printk((err & ATA_ABORTED) ? "BadCRC " : "BadSector "); + if (err & ATA_UNC) printk("UncorrectableError "); + if (err & ATA_IDNF) printk("SectorIdNotFound "); + if (err & ATA_TRK0NF) printk("TrackZeroNotFound "); + if (err & ATA_AMNF) printk("AddrMarkNotFound "); printk("}"); - if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR || - (err & (ECC_ERR|ID_ERR|MARK_ERR))) { + if ((err & (ATA_BBK | ATA_ABORTED)) == ATA_BBK || + (err & (ATA_UNC | ATA_IDNF | ATA_AMNF))) { ide_dump_sector(drive); if (HWGROUP(drive) && HWGROUP(drive)->rq) printk(", sector=%llu", @@ -361,12 +361,12 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err) static void ide_dump_atapi_error(ide_drive_t *drive, u8 err) { printk("{ "); - if (err & ILI_ERR) printk("IllegalLengthIndication "); - if (err & EOM_ERR) printk("EndOfMedia "); - if (err & ABRT_ERR) printk("AbortedCommand "); - if (err & MCR_ERR) printk("MediaChangeRequested "); - if (err & LFS_ERR) printk("LastFailedSense=0x%02x ", - (err & LFS_ERR) >> 4); + if (err & ATAPI_ILI) printk("IllegalLengthIndication "); + if (err & ATAPI_EOM) printk("EndOfMedia "); + if (err & ATA_ABORTED) printk("AbortedCommand "); + if (err & ATA_MCR) printk("MediaChangeRequested "); + if (err & ATAPI_LFS) printk("LastFailedSense=0x%02x ", + (err & ATAPI_LFS) >> 4); printk("}\n"); } @@ -388,19 +388,19 @@ u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat) local_irq_save(flags); printk("%s: %s: status=0x%02x { ", drive->name, msg, stat); - if (stat & BUSY_STAT) + if (stat & ATA_BUSY) printk("Busy "); else { - if (stat & READY_STAT) printk("DriveReady "); - if (stat & WRERR_STAT) printk("DeviceFault "); - if (stat & SEEK_STAT) printk("SeekComplete "); - if (stat & DRQ_STAT) printk("DataRequest "); - if (stat & ECC_STAT) printk("CorrectedError "); - if (stat & INDEX_STAT) printk("Index "); - if (stat & ERR_STAT) printk("Error "); + if (stat & ATA_DRDY) printk("DriveReady "); + if (stat & ATA_DF) printk("DeviceFault "); + if (stat & ATA_DSC) printk("SeekComplete "); + if (stat & ATA_DRQ) printk("DataRequest "); + if (stat & ATA_CORR) printk("CorrectedError "); + if (stat & ATA_IDX) printk("Index "); + if (stat & ATA_ERR) printk("Error "); } printk("}\n"); - if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) { + if ((stat & (ATA_BUSY | ATA_ERR)) == ATA_ERR) { err = ide_read_error(drive); printk("%s: %s: error=0x%02x ", drive->name, msg, err); if (drive->media == ide_disk) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 4829daacb342..7578ad48080f 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -264,7 +264,7 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) if (io_ports->ctl_addr) { a = tp_ops->read_altstatus(hwif); s = tp_ops->read_status(hwif); - if ((a ^ s) & ~INDEX_STAT) + if ((a ^ s) & ~ATA_IDX) /* ancient Seagate drives, broken interfaces */ printk(KERN_INFO "%s: probing with STATUS(0x%02x) " "instead of ALTSTATUS(0x%02x)\n", @@ -301,13 +301,13 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) msleep(50); s = use_altstatus ? tp_ops->read_altstatus(hwif) : tp_ops->read_status(hwif); - } while (s & BUSY_STAT); + } while (s & ATA_BUSY); - /* wait for IRQ and DRQ_STAT */ + /* wait for IRQ and ATA_DRQ */ msleep(50); s = tp_ops->read_status(hwif); - if (OK_STAT(s, DRQ_STAT, BAD_R_STAT)) { + if (OK_STAT(s, ATA_DRQ, BAD_R_STAT)) { unsigned long flags; /* local CPU only; some systems need this */ @@ -391,7 +391,7 @@ static int ide_busy_sleep(ide_hwif_t *hwif) do { msleep(50); stat = hwif->tp_ops->read_status(hwif); - if ((stat & BUSY_STAT) == 0) + if ((stat & ATA_BUSY) == 0) return 0; } while (time_before(jiffies, timeout)); @@ -460,7 +460,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) if (drive->select.b.unit != 0) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); - /* allow BUSY_STAT to assert & clear */ + /* allow ATA_BUSY to assert & clear */ msleep(50); } /* no i/f present: mmm.. this should be a 4 -ml */ @@ -469,7 +469,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) stat = tp_ops->read_status(hwif); - if (OK_STAT(stat, READY_STAT, BUSY_STAT) || + if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) || drive->present || cmd == ATA_CMD_ID_ATAPI) { /* send cmd and wait */ if ((rc = try_to_identify(drive, cmd))) { @@ -479,7 +479,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) stat = tp_ops->read_status(hwif); - if (stat == (BUSY_STAT | READY_STAT)) + if (stat == (ATA_BUSY | ATA_DRDY)) return 4; if (rc == 1 && cmd == ATA_CMD_ID_ATAPI) { diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 2c4c6674db61..2745e5d26848 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -920,8 +920,8 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) stat = hwif->tp_ops->read_status(hwif); - if (stat & SEEK_STAT) { - if (stat & ERR_STAT) { + if (stat & ATA_DSC) { + if (stat & ATA_ERR) { /* Error detected */ if (pc->c[0] != TEST_UNIT_READY) printk(KERN_ERR "ide-tape: %s: I/O error, ", @@ -1022,7 +1022,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) && - (stat & SEEK_STAT) == 0) { + (stat & ATA_DSC) == 0) { if (postponed_rq == NULL) { tape->dsc_polling_start = jiffies; tape->dsc_poll_freq = tape->best_dsc_rw_freq; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 9224f6797186..b1fb815dbf68 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -136,7 +136,7 @@ static ide_startstop_t set_multmode_intr(ide_drive_t *drive) local_irq_enable_in_hardirq(); stat = hwif->tp_ops->read_status(hwif); - if (OK_STAT(stat, READY_STAT, BAD_STAT)) + if (OK_STAT(stat, ATA_DRDY, BAD_STAT)) drive->mult_count = drive->mult_req; else { drive->mult_req = drive->mult_count = 0; @@ -159,15 +159,15 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) while (1) { stat = hwif->tp_ops->read_status(hwif); - if ((stat & BUSY_STAT) == 0 || retries-- == 0) + if ((stat & ATA_BUSY) == 0 || retries-- == 0) break; udelay(10); }; - if (OK_STAT(stat, READY_STAT, BAD_STAT)) + if (OK_STAT(stat, ATA_DRDY, BAD_STAT)) return ide_stopped; - if (stat & (ERR_STAT|DRQ_STAT)) + if (stat & (ATA_ERR | ATA_DRQ)) return ide_error(drive, "set_geometry_intr", stat); ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL); @@ -185,7 +185,7 @@ static ide_startstop_t recal_intr(ide_drive_t *drive) local_irq_enable_in_hardirq(); stat = hwif->tp_ops->read_status(hwif); - if (!OK_STAT(stat, READY_STAT, BAD_STAT)) + if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) return ide_error(drive, "recal_intr", stat); return ide_stopped; } @@ -202,7 +202,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive) local_irq_enable_in_hardirq(); stat = hwif->tp_ops->read_status(hwif); - if (!OK_STAT(stat, READY_STAT, BAD_STAT)) + if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) return ide_error(drive, "task_no_data_intr", stat); /* calls ide_end_drive_cmd */ @@ -225,13 +225,13 @@ static u8 wait_drive_not_busy(ide_drive_t *drive) for (retries = 0; retries < 1000; retries++) { stat = hwif->tp_ops->read_status(hwif); - if (stat & BUSY_STAT) + if (stat & ATA_BUSY) udelay(10); else break; } - if (stat & BUSY_STAT) + if (stat & ATA_BUSY) printk(KERN_ERR "%s: drive still BUSY!\n", drive->name); return stat; @@ -390,7 +390,7 @@ void task_end_request(ide_drive_t *drive, struct request *rq, u8 stat) static ide_startstop_t task_in_unexpected(ide_drive_t *drive, struct request *rq, u8 stat) { /* Command all done? */ - if (OK_STAT(stat, READY_STAT, BUSY_STAT)) { + if (OK_STAT(stat, ATA_DRDY, ATA_BUSY)) { task_end_request(drive, rq, stat); return ide_stopped; } @@ -410,11 +410,11 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive) u8 stat = hwif->tp_ops->read_status(hwif); /* Error? */ - if (stat & ERR_STAT) + if (stat & ATA_ERR) return task_error(drive, rq, __func__, stat); /* Didn't want any data? Odd. */ - if (!(stat & DRQ_STAT)) + if ((stat & ATA_DRQ) == 0) return task_in_unexpected(drive, rq, stat); ide_pio_datablock(drive, rq, 0); @@ -447,7 +447,7 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive) return task_error(drive, rq, __func__, stat); /* Deal with unexpected ATA data phase. */ - if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft) + if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft) return task_error(drive, rq, __func__, stat); if (!hwif->nleft) { @@ -466,7 +466,7 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq) { ide_startstop_t startstop; - if (ide_wait_stat(&startstop, drive, DRQ_STAT, + if (ide_wait_stat(&startstop, drive, ATA_DRQ, drive->bad_wstat, WAIT_DRQ)) { printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n", drive->name, diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 21b3a767e7d7..7fddfe161795 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -119,7 +119,7 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) drive->media = ide_disk; drive->select.all = (unit<<4)|0xa0; drive->hwif = hwif; - drive->ready_stat = READY_STAT; + drive->ready_stat = ATA_DRDY; drive->bad_wstat = BAD_W_STAT; drive->special.b.recalibrate = 1; drive->special.b.set_geometry = 1; @@ -884,7 +884,7 @@ MODULE_PARM_DESC(noprobe, "skip probing for a device"); static unsigned int ide_nowerr; module_param_call(nowerr, ide_set_dev_param_mask, NULL, &ide_nowerr, 0); -MODULE_PARM_DESC(nowerr, "ignore the WRERR_STAT bit for a device"); +MODULE_PARM_DESC(nowerr, "ignore the ATA_DF bit for a device"); static unsigned int ide_cdroms; @@ -949,7 +949,7 @@ static void ide_dev_apply_params(ide_drive_t *drive) drive->noprobe = 1; } if (ide_nowerr & (1 << i)) { - printk(KERN_INFO "ide: ignoring the WRERR_STAT bit for %s\n", + printk(KERN_INFO "ide: ignoring the ATA_DF bit for %s\n", drive->name); drive->bad_wstat = BAD_R_STAT; } @@ -970,7 +970,7 @@ static void ide_dev_apply_params(ide_drive_t *drive) drive->cyl, drive->head, drive->sect); drive->present = 1; drive->media = ide_disk; - drive->ready_stat = READY_STAT; + drive->ready_stat = ATA_DRDY; } } diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index ffefcd15196c..17685f0ade13 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -274,9 +274,9 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif) do { udelay(50); stat = hwif->tp_ops->read_status(hwif); - if (stat == 0xff) - break; - } while ((stat & BUSY_STAT) && --timeout); + if (stat == 0xff) + break; + } while ((stat & ATA_BUSY) && --timeout); #endif } diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 44cccd1e086a..192a6a70a631 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -400,7 +400,7 @@ static int scc_dma_end(ide_drive_t *drive) /* errata A308 workaround: Step5 (check data loss) */ /* We don't check non ide_disk because it is limited to UDMA4 */ if (!(in_be32((void __iomem *)hwif->io_ports.ctl_addr) - & ERR_STAT) && + & ATA_ERR) && drive->media == ide_disk && drive->current_speed > XFER_UDMA_4) { reg = in_be32((void __iomem *)intsts_port); if (!(reg & INTSTS_ACTEINT)) { @@ -504,7 +504,7 @@ static int scc_dma_test_irq(ide_drive_t *drive) /* SCC errata A252,A308 workaround: Step4 */ if ((in_be32((void __iomem *)hwif->io_ports.ctl_addr) - & ERR_STAT) && + & ATA_ERR) && (int_stat & INTSTS_INTRQ)) return 1; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 167c3b625218..daa5f3115ddc 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -244,7 +244,7 @@ idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err) { ide_hwif_t *hwif = drive->hwif; - if (hwif->tp_ops->read_status(hwif) & (BUSY_STAT | DRQ_STAT)) + if (hwif->tp_ops->read_status(hwif) & (ATA_BUSY | ATA_DRQ)) /* force an abort */ hwif->tp_ops->exec_command(hwif, ATA_CMD_IDLEIMMEDIATE); diff --git a/include/linux/ide.h b/include/linux/ide.h index e887927e00e6..d963c1929c84 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -87,12 +87,13 @@ struct ide_io_ports { }; #define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good)) -#define BAD_R_STAT (BUSY_STAT | ERR_STAT) -#define BAD_W_STAT (BAD_R_STAT | WRERR_STAT) -#define BAD_STAT (BAD_R_STAT | DRQ_STAT) -#define DRIVE_READY (READY_STAT | SEEK_STAT) -#define BAD_CRC (ABRT_ERR | ICRC_ERR) +#define BAD_R_STAT (ATA_BUSY | ATA_ERR) +#define BAD_W_STAT (BAD_R_STAT | ATA_DF) +#define BAD_STAT (BAD_R_STAT | ATA_DRQ) +#define DRIVE_READY (ATA_DRDY | ATA_DSC) + +#define BAD_CRC (ATA_ABORTED | ATA_ICRC) #define SATA_NR_PORTS (3) /* 16 possible ?? */ @@ -438,8 +439,8 @@ struct ide_drive_s { u8 mult_req; /* requested multiple sector setting */ u8 tune_req; /* requested drive tuning setting */ u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ - u8 bad_wstat; /* used for ignoring WRERR_STAT */ - u8 nowerr; /* used for ignoring WRERR_STAT */ + u8 bad_wstat; /* used for ignoring ATA_DF */ + u8 nowerr; /* used for ignoring ATA_DF */ u8 sect0; /* offset of first sector for DM6:DDO */ u8 head; /* "real" number of heads */ u8 sect; /* "real" sectors per track */ -- GitLab From 3c619ffd48d7fdb3b17f0df67c4eb4b0bd80e253 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:22 +0200 Subject: [PATCH 3546/6244] ide: remove no longer needed ide_drive_t fields Remove ->remap_0_to_1 and ->sect0 (they are always zero now). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 2 +- drivers/ide/ide-io.c | 18 +++--------------- include/linux/ide.h | 2 -- 3 files changed, 4 insertions(+), 18 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 83da9a98dabc..d4d730252669 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -472,7 +472,7 @@ static void init_idedisk_capacity(ide_drive_t *drive) static sector_t idedisk_capacity(ide_drive_t *drive) { - return drive->capacity64 - drive->sect0; + return drive->capacity64; } #ifdef CONFIG_IDE_PROC_FS diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 8dd7b46b41b7..96975e24a0cc 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -765,9 +765,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) * start_request - start of I/O and command issuing for IDE * * start_request() initiates handling of a new I/O request. It - * accepts commands and I/O (read/write) requests. It also does - * the final remapping for weird stuff like EZDrive. Once - * device mapper can work sector level the EZDrive stuff can go away + * accepts commands and I/O (read/write) requests. * * FIXME: this function needs a rename */ @@ -775,7 +773,6 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) { ide_startstop_t startstop; - sector_t block; BUG_ON(!blk_rq_started(rq)); @@ -790,16 +787,6 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) goto kill_rq; } - block = rq->sector; - if (blk_fs_request(rq) && - (drive->media == ide_disk || drive->media == ide_floppy)) { - block += drive->sect0; - } - /* Yecch - this will shift the entire interval, - possibly killing some innocent following sector */ - if (block == 0 && drive->remap_0_to_1 == 1) - block = 1; /* redirect MBR access to EZ-Drive partn table */ - if (blk_pm_request(rq)) ide_check_pm_state(drive, rq); @@ -844,7 +831,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) return ide_special_rq(drive, rq); drv = *(ide_driver_t **)rq->rq_disk->private_data; - return drv->do_request(drive, rq, block); + + return drv->do_request(drive, rq, rq->sector); } return do_special(drive); kill_rq: diff --git a/include/linux/ide.h b/include/linux/ide.h index d963c1929c84..ca0b132de1ae 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -418,7 +418,6 @@ struct ide_drive_s { unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */ unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ unsigned nodma : 1; /* disallow DMA */ - unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */ unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ @@ -441,7 +440,6 @@ struct ide_drive_s { u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ u8 bad_wstat; /* used for ignoring ATA_DF */ u8 nowerr; /* used for ignoring ATA_DF */ - u8 sect0; /* offset of first sector for DM6:DDO */ u8 head; /* "real" number of heads */ u8 sect; /* "real" sectors per track */ u8 bios_head; /* BIOS/fdisk/LILO number of heads */ -- GitLab From 1a7809e3499921a016d203b9ee51a77d3cc1dc98 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Fri, 10 Oct 2008 22:39:22 +0200 Subject: [PATCH 3547/6244] ide: re-code ide_fixstring() loop to be less evil On Friday 25 July 2008, Linus Torvalds wrote: > > On Fri, 25 Jul 2008, Ben Dooks wrote: > > > > personally, i would much prefer to see the loop being less evil > > like: > > > > for (p = s; p < end; p += 2) > > be16_to_cpus((u16 *)p); > > Well, in this case, the code actually depends on 'p' being back at the > start of the buffer by the end of it all, so it would need some more > changes than that. > > But yes, I applied David's patch, but I _also_ suspect that we would be > better off without code that does horrid things like casts and assignments > inside the function arguments. > > So it would be nice to re-code that loop to be more readable. But due to > the reliance of 'p' being 's' after the loop, the minimal patch would be > something like the appended. > > Bartlomiej - take this or not, I'm not going to commit it - I haven't > tested it, nor do I even have any machines that would trigger it. So this > is more a "maybe something like this" than anything else. From: Linus Torvalds CC: Ben Dooks Cc: David Miller Cc: harvey.harrison@gmail.com Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 8cfa6125c7a4..004803030f64 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -423,14 +423,16 @@ void ide_fix_driveid(u16 *id) void ide_fixstring (u8 *s, const int bytecount, const int byteswap) { - u8 *p = s, *end = &s[bytecount & ~1]; /* bytecount must be even */ + u8 *p, *end = &s[bytecount & ~1]; /* bytecount must be even */ if (byteswap) { /* convert from big-endian to host byte order */ - for (p = end ; p != s;) - be16_to_cpus((u16 *)(p -= 2)); + for (p = s ; p != end ; p += 2) + be16_to_cpus((u16 *) p); } + /* strip leading blanks */ + p = s; while (s != end && *s == ' ') ++s; /* compress internal blanks and strip trailing blanks */ -- GitLab From efa402d59e99b7940501ead18a11b3d6604ad720 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Fri, 10 Oct 2008 22:39:22 +0200 Subject: [PATCH 3548/6244] ide-cd: use the new object_is_in_stack() helper Signed-off-by: FUJITA Tomonori Cc: Borislav Petkov Cc: Thomas Bogendoerfer Cc: Tejun Heo Cc: Jens Axboe Cc: James Bottomley Signed-off-by: Andrew Morton Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 239557f8920e..accb53b85ba7 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1164,13 +1164,12 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) { struct request_queue *q = drive->queue; unsigned int alignment; - unsigned long addr; - unsigned long stack_mask = ~(THREAD_SIZE - 1); + char *buf; if (rq->bio) - addr = (unsigned long)bio_data(rq->bio); + buf = bio_data(rq->bio); else - addr = (unsigned long)rq->data; + buf = rq->data; info->dma = drive->using_dma; @@ -1181,11 +1180,8 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) * separate masks. */ alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if (addr & alignment || rq->data_len & alignment) - info->dma = 0; - - if (!((addr & stack_mask) ^ - ((unsigned long)current->stack & stack_mask))) + if ((unsigned long)buf & alignment || rq->data_len & alignment + || object_is_on_stack(buf)) info->dma = 0; } } -- GitLab From c36a7e98846a7a4a1c09b7f148395089bce512d8 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:23 +0200 Subject: [PATCH 3549/6244] ide: fix EXABYTENEST handling in probe_for_drive() Fix EXABYTENEST handling in probe_for_drive() (so drive->present is checked for "nested" device) and cleanup enable_nest(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 7578ad48080f..e78cfde5bd6d 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -542,11 +542,6 @@ static void enable_nest (ide_drive_t *drive) printk(KERN_CONT "failed (status = 0x%02x)\n", stat); else printk(KERN_CONT "success\n"); - - /* if !(success||timed-out) */ - if (do_probe(drive, ATA_CMD_ID_ATA) >= 2) - /* look for ATAPI device */ - (void)do_probe(drive, ATA_CMD_ID_ATAPI); } /** @@ -586,19 +581,22 @@ static inline u8 probe_for_drive (ide_drive_t *drive) strcpy(m, "UNKNOWN"); /* skip probing? */ - if (!drive->noprobe) - { + if (!drive->noprobe) { +retry: /* if !(success||timed-out) */ if (do_probe(drive, ATA_CMD_ID_ATA) >= 2) /* look for ATAPI device */ (void)do_probe(drive, ATA_CMD_ID_ATAPI); + if (!drive->present) /* drive not found */ return 0; - if (strstr(m, "E X A B Y T E N E S T")) + if (strstr(m, "E X A B Y T E N E S T")) { enable_nest(drive); - + goto retry; + } + /* identification failed? */ if (!drive->id_read) { if (drive->media == ide_disk) { -- GitLab From b163f46d5ecf48d883ce156e5e5a21a1a9a125c7 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:23 +0200 Subject: [PATCH 3550/6244] ide: enhance ide_busy_sleep() * Make ide_busy_sleep() take timeout value as a parameter and also allow use of AltStatus Register if requested with altstatus parameter. Update existing users accordingly. * Convert ide_driveid_update() and actual_try_to_identify() to use ide_busy_sleep(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 15 +++++---------- drivers/ide/ide-probe.c | 30 ++++++++++++------------------ include/linux/ide.h | 2 ++ 3 files changed, 19 insertions(+), 28 deletions(-) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 004803030f64..a940d127aae3 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -666,7 +666,7 @@ int ide_driveid_update(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; const struct ide_tp_ops *tp_ops = hwif->tp_ops; u16 *id; - unsigned long timeout, flags; + unsigned long flags; u8 stat; /* @@ -678,16 +678,11 @@ int ide_driveid_update(ide_drive_t *drive) tp_ops->set_irq(hwif, 0); msleep(50); tp_ops->exec_command(hwif, ATA_CMD_ID_ATA); - timeout = jiffies + WAIT_WORSTCASE; - do { - if (time_after(jiffies, timeout)) { - SELECT_MASK(drive, 0); - return 0; /* drive timed-out */ - } - msleep(50); /* give drive a breather */ - stat = tp_ops->read_altstatus(hwif); - } while (stat & ATA_BUSY); + if (ide_busy_sleep(hwif, WAIT_WORSTCASE, 1)) { + SELECT_MASK(drive, 0); + return 0; + } msleep(50); /* wait for IRQ and ATA_DRQ */ stat = tp_ops->read_status(hwif); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index e78cfde5bd6d..ef773384aaa9 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -291,17 +291,9 @@ static int actual_try_to_identify (ide_drive_t *drive, u8 cmd) tp_ops->exec_command(hwif, cmd); timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2; - timeout += jiffies; - do { - if (time_after(jiffies, timeout)) { - /* drive timed-out */ - return 1; - } - /* give drive a breather */ - msleep(50); - s = use_altstatus ? tp_ops->read_altstatus(hwif) - : tp_ops->read_status(hwif); - } while (s & ATA_BUSY); + + if (ide_busy_sleep(hwif, timeout, use_altstatus)) + return 1; /* wait for IRQ and ATA_DRQ */ msleep(50); @@ -383,19 +375,21 @@ static int try_to_identify (ide_drive_t *drive, u8 cmd) return retval; } -static int ide_busy_sleep(ide_hwif_t *hwif) +int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus) { - unsigned long timeout = jiffies + WAIT_WORSTCASE; u8 stat; + timeout += jiffies; + do { - msleep(50); - stat = hwif->tp_ops->read_status(hwif); + msleep(50); /* give drive a breather */ + stat = altstatus ? hwif->tp_ops->read_altstatus(hwif) + : hwif->tp_ops->read_status(hwif); if ((stat & ATA_BUSY) == 0) return 0; } while (time_before(jiffies, timeout)); - return 1; + return 1; /* drive timed-out */ } static u8 ide_read_device(ide_drive_t *drive) @@ -489,7 +483,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) SELECT_DRIVE(drive); msleep(50); tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET); - (void)ide_busy_sleep(hwif); + (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0); rc = try_to_identify(drive, cmd); } @@ -529,7 +523,7 @@ static void enable_nest (ide_drive_t *drive) msleep(50); tp_ops->exec_command(hwif, ATA_EXABYTE_ENABLE_NEST); - if (ide_busy_sleep(hwif)) { + if (ide_busy_sleep(hwif, WAIT_WORSTCASE, 0)) { printk(KERN_CONT "failed (timeout)\n"); return; } diff --git a/include/linux/ide.h b/include/linux/ide.h index ca0b132de1ae..2ad8548135d2 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -923,6 +923,8 @@ void ide_fix_driveid(u16 *); extern void ide_fixstring(u8 *, const int, const int); +int ide_busy_sleep(ide_hwif_t *, unsigned long, int); + int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); extern ide_startstop_t ide_do_reset (ide_drive_t *); -- GitLab From 7c199a5496d0579d388636ee34a954e2e566d2fb Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:23 +0200 Subject: [PATCH 3551/6244] ide: remove no longer needed BUG_ON()-s from init_irq() init_irq() is now called only during initial host registration so these BUG_ON()-s are no loner needed (+ the last one was done too late anyway). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index ef773384aaa9..a27c0398b153 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1031,11 +1031,6 @@ static int init_irq (ide_hwif_t *hwif) ide_hwgroup_t *hwgroup; ide_hwif_t *match = NULL; - - BUG_ON(in_interrupt()); - BUG_ON(irqs_disabled()); - BUG_ON(hwif == NULL); - mutex_lock(&ide_cfg_mtx); hwif->hwgroup = NULL; #if MAX_HWIFS > 1 -- GitLab From a2cdee5a9a93360165d0576bbc7e9ccb3127afee Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:24 +0200 Subject: [PATCH 3552/6244] ide: remove IDE_CHIPSET_* macros They just obfuscate the code. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 3 ++- include/linux/ide.h | 4 ---- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index a27c0398b153..8cfce50c71e4 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1105,7 +1105,8 @@ static int init_irq (ide_hwif_t *hwif) sa = IRQF_SHARED; #endif /* __mc68000__ */ - if (IDE_CHIPSET_IS_PCI(hwif->chipset)) + if (hwif->chipset == ide_pci || hwif->chipset == ide_cmd646 || + hwif->chipset == ide_ali14xx) sa = IRQF_SHARED; if (io_ports->ctl_addr) diff --git a/include/linux/ide.h b/include/linux/ide.h index 2ad8548135d2..a9206c463d7d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -473,10 +473,6 @@ typedef struct ide_drive_s ide_drive_t; #define to_ide_device(dev)container_of(dev, ide_drive_t, gendev) -#define IDE_CHIPSET_PCI_MASK \ - ((1<> (c)) & 1) - struct ide_task_s; struct ide_port_info; -- GitLab From 3cd5f1eae093a7d6ff8a63c746eba9d6f689ba91 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:24 +0200 Subject: [PATCH 3553/6244] ide: remove unused _IDE_C and _IDE_DISK defines Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 3 --- drivers/ide/ide.c | 2 -- 2 files changed, 5 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index d4d730252669..edfa63750dde 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -30,9 +30,6 @@ #include #include #include - -#define _IDE_DISK - #include #include diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 7fddfe161795..27d5d6a1625f 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -44,8 +44,6 @@ * inspiration from lots of linux users, esp. hamish@zot.apana.org.au */ -#define _IDE_C /* Tell ide.h it's really us */ - #include #include #include -- GitLab From 2a924662b646fa25cb491d50aa1202a94aa4ac55 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:24 +0200 Subject: [PATCH 3554/6244] ide: remove needless drive->present checks from device drivers Remove needless drive->present checks from ->probe methods (device model takes care of that). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 4 ++-- drivers/ide/ide-disk.c | 3 +-- drivers/ide/ide-floppy.c | 4 ++-- drivers/ide/ide-tape.c | 4 ++-- drivers/scsi/ide-scsi.c | 1 - 5 files changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index accb53b85ba7..607af5de16f8 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -2109,10 +2109,10 @@ static int ide_cd_probe(ide_drive_t *drive) if (!strstr("ide-cdrom", drive->driver_req)) goto failed; - if (!drive->present) - goto failed; + if (drive->media != ide_cdrom && drive->media != ide_optical) goto failed; + /* skip drives that we were told to ignore */ if (ignore != NULL) { if (strstr(ignore, drive->name)) { diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index edfa63750dde..eeb2c3b22e97 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -1136,8 +1136,7 @@ static int ide_disk_probe(ide_drive_t *drive) /* strstr("foo", "") is non-NULL */ if (!strstr("ide-disk", drive->driver_req)) goto failed; - if (!drive->present) - goto failed; + if (drive->media != ide_disk) goto failed; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 59baa9643f8b..327960380908 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1390,10 +1390,10 @@ static int ide_floppy_probe(ide_drive_t *drive) if (!strstr("ide-floppy", drive->driver_req)) goto failed; - if (!drive->present) - goto failed; + if (drive->media != ide_floppy) goto failed; + if (!idefloppy_identify_device(drive, drive->id)) { printk(KERN_ERR "ide-floppy: %s: not supported by this version" " of ide-floppy\n", drive->name); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 2745e5d26848..874e60fc85d1 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2647,10 +2647,10 @@ static int ide_tape_probe(ide_drive_t *drive) if (!strstr("ide-tape", drive->driver_req)) goto failed; - if (!drive->present) - goto failed; + if (drive->media != ide_tape) goto failed; + if (!idetape_identify_device(drive)) { printk(KERN_ERR "ide-tape: %s: not supported by this version of" " the driver\n", drive->name); diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index daa5f3115ddc..6a661a4454ee 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -822,7 +822,6 @@ static int ide_scsi_probe(ide_drive_t *drive) return -ENODEV; if (!strstr("ide-scsi", drive->driver_req) || - !drive->present || drive->media == ide_disk || !(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t)))) return -ENODEV; -- GitLab From 7e59ea21aab1a91ca31bc64c7d3035ebdbd336d1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:26 +0200 Subject: [PATCH 3555/6244] ide: check drive->present in ide_get_paired_drive() * Change ide_get_paired_drive() to return NULL if peer device is not present and update all users accordingly. While at it: * ide_get_paired_drive() -> ide_get_pair_dev() * Use ide_get_pair_dev() in cs5530.c, sc1200.c and via82cxxx.c. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/palm_bk3710.c | 4 ++-- drivers/ide/pci/cs5530.c | 4 ++-- drivers/ide/pci/cs5535.c | 4 ++-- drivers/ide/pci/opti621.c | 4 ++-- drivers/ide/pci/sc1200.c | 4 ++-- drivers/ide/pci/siimage.c | 4 ++-- drivers/ide/pci/via82cxxx.c | 4 ++-- include/linux/ide.h | 6 +++--- 8 files changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index 6cea984776fd..320971c78cb7 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -180,7 +180,7 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate, val32 |= (t2i << (dev ? 8 : 0)); writel(val32, base + BK3710_DATRCVR); - if (mate && mate->present) { + if (mate) { u8 mode2 = ide_get_best_pio_mode(mate, 255, 4); if (mode2 < mode) @@ -230,7 +230,7 @@ static void palm_bk3710_set_pio_mode(ide_drive_t *drive, u8 pio) * Obtain the drive PIO data for tuning the Palm Chip registers */ cycle_time = ide_pio_cycle_time(drive, pio); - mate = ide_get_paired_drive(drive); + mate = ide_get_pair_dev(drive); palm_bk3710_setpiomode(base, mate, is_slave, cycle_time, pio); } diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index ef91e9d7c54f..804ecabbd65f 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -81,11 +81,11 @@ static void cs5530_set_pio_mode(ide_drive_t *drive, const u8 pio) static u8 cs5530_udma_filter(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; + ide_drive_t *mate = ide_get_pair_dev(drive); u16 *mateid = mate->id; u8 mask = hwif->ultra_mask; - if (mate->present == 0) + if (mate == NULL) goto out; if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) { diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index dd3dc23af995..707d2e182552 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -80,12 +80,12 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed) /* Set the PIO timings */ if (speed < XFER_SW_DMA_0) { - ide_drive_t *pair = ide_get_paired_drive(drive); + ide_drive_t *pair = ide_get_pair_dev(drive); u8 cmd, pioa; cmd = pioa = speed - XFER_PIO_0; - if (pair->present) { + if (pair) { u8 piob = ide_get_best_pio_mode(pair, 255, 4); if (piob < cmd) diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index e28e672ddafc..e913da479808 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -137,7 +137,7 @@ static u8 read_reg(int reg) static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *pair = ide_get_paired_drive(drive); + ide_drive_t *pair = ide_get_pair_dev(drive); unsigned long flags; u8 tim, misc, addr_pio = pio, clk; @@ -153,7 +153,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) drive->drive_data = XFER_PIO_0 + pio; - if (pair->present) { + if (pair) { if (pair->drive_data && pair->drive_data < drive->drive_data) addr_pio = pair->drive_data - XFER_PIO_0; } diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 695cc9742048..37326d2205b8 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -104,11 +104,11 @@ static void sc1200_tunepio(ide_drive_t *drive, u8 pio) static u8 sc1200_udma_filter(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1]; + ide_drive_t *mate = ide_get_pair_dev(drive); u16 *mateid = mate->id; u8 mask = hwif->ultra_mask; - if (mate->present == 0) + if (mate == NULL) goto out; if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) { diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 7b5bd8729f64..83c36e6035fa 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -245,7 +245,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio) ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - ide_drive_t *pair = ide_get_paired_drive(drive); + ide_drive_t *pair = ide_get_pair_dev(drive); u32 speedt = 0; u16 speedp = 0; unsigned long addr = siimage_seldev(drive, 0x04); @@ -259,7 +259,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio) u8 unit = drive->select.b.unit; /* trim *taskfile* PIO to the slowest of the master/slave */ - if (pair->present) { + if (pair) { u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4); if (pair_pio < tf_pio) diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 94fb9ab3223f..9cb531dc905a 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -154,7 +154,7 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing) static void via_set_drive(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *peer = hwif->drives + (~drive->dn & 1); + ide_drive_t *peer = ide_get_pair_dev(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); struct ide_host *host = pci_get_drvdata(dev); struct via82cxxx_dev *vdev = host->host_priv; @@ -173,7 +173,7 @@ static void via_set_drive(ide_drive_t *drive, const u8 speed) ide_timing_compute(drive, speed, &t, T, UT); - if (peer->present) { + if (peer) { ide_timing_compute(peer, peer->current_speed, &p, T, UT); ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); } diff --git a/include/linux/ide.h b/include/linux/ide.h index a9206c463d7d..1d9716a95dc4 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1450,10 +1450,10 @@ static inline int hwif_to_node(ide_hwif_t *hwif) return hwif->dev ? dev_to_node(hwif->dev) : -1; } -static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) +static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); + ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1]; - return &hwif->drives[(drive->dn ^ 1) & 1]; + return peer->present ? peer : NULL; } #endif /* _IDE_H */ -- GitLab From 7c51c17e0431d2f26bc23ee07de12eafb125ce83 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:26 +0200 Subject: [PATCH 3556/6244] ide: remove CONFIG_IDEDISK_MULTI_MODE Use multi PIO by default when available and remove no longer needed CONFIG_IDEDISK_MULTI_MODE (it should be safe nowadays, despite to what help entry has been saying). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Kconfig | 23 ----------------------- drivers/ide/ide-probe.c | 6 ++---- 2 files changed, 2 insertions(+), 27 deletions(-) diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 052879a6f853..b50b5dac95b0 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -131,29 +131,6 @@ config BLK_DEV_IDEDISK If unsure, say Y. -config IDEDISK_MULTI_MODE - bool "Use multiple sector mode for Programmed Input/Output by default" - help - This setting is irrelevant for most IDE disks, with direct memory - access, to which multiple sector mode does not apply. Multiple sector - mode is a feature of most modern IDE hard drives, permitting the - transfer of multiple sectors per Programmed Input/Output interrupt, - rather than the usual one sector per interrupt. When this feature is - enabled, it can reduce operating system overhead for disk Programmed - Input/Output. On some systems, it also can increase the data - throughput of Programmed Input/Output. Some drives, however, seemed - to run slower with multiple sector mode enabled. Some drives claimed - to support multiple sector mode, but lost data at some settings. - Under rare circumstances, such failures could result in massive - filesystem corruption. - - If you get the following error, try to say Y here: - - hda: set_multmode: status=0x51 { DriveReady SeekComplete Error } - hda: set_multmode: error=0x04 { DriveStatusError } - - If in doubt, say N. - config BLK_DEV_IDECS tristate "PCMCIA IDE support" depends on PCMCIA diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 8cfce50c71e4..9926e12783bb 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -89,16 +89,14 @@ static void ide_disk_init_mult_count(ide_drive_t *drive) u8 max_multsect = id[ATA_ID_MAX_MULTSECT] & 0xff; if (max_multsect) { -#ifdef CONFIG_IDEDISK_MULTI_MODE if ((max_multsect / 2) > 1) id[ATA_ID_MULTSECT] = max_multsect | 0x100; else id[ATA_ID_MULTSECT] &= ~0x1ff; drive->mult_req = id[ATA_ID_MULTSECT] & 0xff; -#endif - if ((id[ATA_ID_MULTSECT] & 0x100) && - (id[ATA_ID_MULTSECT] & 0xff)) + + if (drive->mult_req) drive->special.b.set_multmode = 1; } } -- GitLab From 3ceca727fe3a38dd8d7a3adf938fefda83eee8af Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:27 +0200 Subject: [PATCH 3557/6244] ide: include only when needed * Include directly in instead of through . * Include only when needed. Cc: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/icside.c | 1 - drivers/ide/arm/palm_bk3710.c | 1 - drivers/ide/ide-disk.c | 1 + drivers/ide/ide-floppy.c | 1 + drivers/ide/ide-io.c | 1 + drivers/ide/ide-iops.c | 1 - drivers/ide/ide-lib.c | 1 - drivers/ide/ide-proc.c | 1 - drivers/ide/ide-timings.c | 1 - drivers/ide/ide.c | 1 + drivers/ide/legacy/ali14xx.c | 1 - drivers/ide/legacy/buddha.c | 1 - drivers/ide/legacy/dtc2278.c | 1 - drivers/ide/legacy/falconide.c | 1 - drivers/ide/legacy/gayle.c | 1 - drivers/ide/legacy/ht6560b.c | 1 - drivers/ide/legacy/ide-cs.c | 1 - drivers/ide/legacy/macide.c | 1 - drivers/ide/legacy/q40ide.c | 2 -- drivers/ide/legacy/qd65xx.c | 1 - drivers/ide/legacy/umc8672.c | 1 - drivers/ide/pci/aec62xx.c | 1 - drivers/ide/pci/alim15x3.c | 1 - drivers/ide/pci/atiixp.c | 1 - drivers/ide/pci/cmd640.c | 1 - drivers/ide/pci/cmd64x.c | 1 - drivers/ide/pci/cs5520.c | 1 - drivers/ide/pci/cs5530.c | 1 - drivers/ide/pci/delkin_cb.c | 1 - drivers/ide/pci/generic.c | 1 - drivers/ide/pci/hpt34x.c | 1 - drivers/ide/pci/hpt366.c | 1 - drivers/ide/pci/it8213.c | 1 - drivers/ide/pci/it821x.c | 1 - drivers/ide/pci/jmicron.c | 1 - drivers/ide/pci/ns87415.c | 1 - drivers/ide/pci/opti621.c | 1 - drivers/ide/pci/pdc202xx_new.c | 1 - drivers/ide/pci/pdc202xx_old.c | 1 - drivers/ide/pci/piix.c | 1 - drivers/ide/pci/rz1000.c | 1 - drivers/ide/pci/sc1200.c | 1 - drivers/ide/pci/scc_pata.c | 1 - drivers/ide/pci/serverworks.c | 1 - drivers/ide/pci/sgiioc4.c | 1 - drivers/ide/pci/siimage.c | 1 - drivers/ide/pci/sis5513.c | 1 - drivers/ide/pci/sl82c105.c | 1 - drivers/ide/pci/slc90e66.c | 1 - drivers/ide/pci/triflex.c | 1 - drivers/ide/pci/trm290.c | 1 - drivers/scsi/ide-scsi.c | 1 - include/linux/ide.h | 2 +- 53 files changed, 5 insertions(+), 50 deletions(-) diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index ca9e8ea32ee2..70f5b164828b 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -10,7 +10,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c index 320971c78cb7..122ed3c072fd 100644 --- a/drivers/ide/arm/palm_bk3710.c +++ b/drivers/ide/arm/palm_bk3710.c @@ -27,7 +27,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index eeb2c3b22e97..6e1a25e61df5 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 327960380908..b0f4d8459a9d 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 96975e24a0cc..99e0bbca3ace 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index a940d127aae3..ee44878e40d0 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -18,7 +18,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index c5c37bfd8b09..ed426dd0fdd8 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -2,7 +2,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 22f41fa4e5b6..cbe5a7efbbad 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -23,7 +23,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c index 96e3d467a74c..81f527af8fae 100644 --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -22,7 +22,6 @@ */ #include -#include #include #include diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 27d5d6a1625f..080314e3d6b7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c index 4ec19737f3c5..7276c96aaa2a 100644 --- a/drivers/ide/legacy/ali14xx.c +++ b/drivers/ide/legacy/ali14xx.c @@ -43,7 +43,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/legacy/buddha.c index 7c2afa97f417..c5a3c9ef6a5d 100644 --- a/drivers/ide/legacy/buddha.c +++ b/drivers/ide/legacy/buddha.c @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c index af791a02a120..689b2e493413 100644 --- a/drivers/ide/legacy/dtc2278.c +++ b/drivers/ide/legacy/dtc2278.c @@ -10,7 +10,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c index 724f95073d80..39d500d84b07 100644 --- a/drivers/ide/legacy/falconide.c +++ b/drivers/ide/legacy/falconide.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c index 51ba085d7aa8..691506886561 100644 --- a/drivers/ide/legacy/gayle.c +++ b/drivers/ide/legacy/gayle.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c index 98f7c95e39ed..5123ea291d07 100644 --- a/drivers/ide/legacy/ht6560b.c +++ b/drivers/ide/legacy/ht6560b.c @@ -24,7 +24,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 21bfac137844..ee6fc30d5e2b 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -38,7 +38,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c index a0bb167980e7..43f97cc1d30e 100644 --- a/drivers/ide/legacy/macide.c +++ b/drivers/ide/legacy/macide.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c index 4abd8fc78197..4af4a8ce4cdf 100644 --- a/drivers/ide/legacy/q40ide.c +++ b/drivers/ide/legacy/q40ide.c @@ -14,8 +14,6 @@ #include #include #include -#include - #include /* diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index 6d7f548655e4..ec408b3a7100 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -27,7 +27,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/legacy/umc8672.c b/drivers/ide/legacy/umc8672.c index b54a14a57755..1da076e0c917 100644 --- a/drivers/ide/legacy/umc8672.c +++ b/drivers/ide/legacy/umc8672.c @@ -45,7 +45,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index 3187215e8f89..f65828da65d0 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index fcc701b3c0a2..ef41e2677a56 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -31,7 +31,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 41f6cb6c163a..86e3120cb7c1 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index e6c62006ca1a..5b756757e049 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -103,7 +103,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index e064398e03b4..13dfeab1d19f 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index 151844fcbb07..27163147896b 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -35,7 +35,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index 804ecabbd65f..d60806bd7dba 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c index f84bfb4f600f..83b63b365e51 100644 --- a/drivers/ide/pci/delkin_cb.c +++ b/drivers/ide/pci/delkin_cb.c @@ -19,7 +19,6 @@ #include #include -#include #include #include #include diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c index b07d4f4273b3..bdc539868701 100644 --- a/drivers/ide/pci/generic.c +++ b/drivers/ide/pci/generic.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index 6009b0b9655d..4f624899f44a 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -27,7 +27,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index b7f77fd3cb6e..d706eb6b8acd 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -122,7 +122,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 652e47dd7e89..a0e058a2abfe 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -10,7 +10,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index ed24065f74e8..0fdea7e91a7a 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -63,7 +63,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c index bb9d09d8f196..4010b4a8dfbb 100644 --- a/drivers/ide/pci/jmicron.c +++ b/drivers/ide/pci/jmicron.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 17685f0ade13..a482ade8e455 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -11,7 +11,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index e913da479808..fefac2c174b6 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -85,7 +85,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 7ecfcd06f47e..73bd264fbf9f 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 5d4436f3efd4..8f0acb956c6b 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 30cfc815fe31..13136dddb2b4 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -48,7 +48,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/rz1000.c b/drivers/ide/pci/rz1000.c index 8d11ee838a2a..c117a068761b 100644 --- a/drivers/ide/pci/rz1000.c +++ b/drivers/ide/pci/rz1000.c @@ -16,7 +16,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 37326d2205b8..bdc1fed41260 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -14,7 +14,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 192a6a70a631..e92a874b31df 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -26,7 +26,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index ded6a13fd406..5f79d284ff82 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 681306c9d79b..1017fb4f6317 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 83c36e6035fa..874c8ca40ed6 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -39,7 +39,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 5efe21d6ef97..56bfb245f1fa 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -47,7 +47,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 73905bcc08fb..61a006cb4746 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index 866d6c65e3a0..a31c6911442d 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -11,7 +11,6 @@ #include #include #include -#include #include #include diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index b77ec35151b3..c980a7f39052 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -28,7 +28,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c index fd28b49977fd..4dfbc6a68b5b 100644 --- a/drivers/ide/pci/trm290.c +++ b/drivers/ide/pci/trm290.c @@ -135,7 +135,6 @@ #include #include #include -#include #include #include diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 6a661a4454ee..d9a2cc09f5c6 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -40,7 +40,6 @@ #include #include #include -#include #include #include #include diff --git a/include/linux/ide.h b/include/linux/ide.h index 1d9716a95dc4..a7f980d2fe5b 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -8,7 +8,7 @@ #include #include -#include +#include #include #include #include -- GitLab From 1e874f448365b80e69b8a60b8b575b17f00811f3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:27 +0200 Subject: [PATCH 3558/6244] ide: call ide_proc_register_driver() later Call ide_proc_register_driver() in ide*_setup() (just before ide*_add_settings() call) instead of in ->probe method. Despite being basically a preparation for /proc/ide/hd*/settings rework this is a nice cleanup in itself. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 5 ++--- drivers/ide/ide-disk.c | 4 ++-- drivers/ide/ide-floppy.c | 4 ++-- drivers/ide/ide-tape.c | 3 +-- drivers/scsi/ide-scsi.c | 2 +- 5 files changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 607af5de16f8..34a1aeaa15dd 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1924,6 +1924,8 @@ static int ide_cdrom_setup(ide_drive_t *drive) cd->devinfo.handle = NULL; return 1; } + + ide_proc_register_driver(drive, cd->driver); ide_cdrom_add_settings(drive); return 0; } @@ -2134,8 +2136,6 @@ static int ide_cd_probe(ide_drive_t *drive) ide_init_disk(g, drive); - ide_proc_register_driver(drive, &ide_cdrom_driver); - kref_init(&info->kref); info->drive = drive; @@ -2150,7 +2150,6 @@ static int ide_cd_probe(ide_drive_t *drive) g->driverfs_dev = &drive->gendev; g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE; if (ide_cdrom_setup(drive)) { - ide_proc_unregister_driver(drive, &ide_cdrom_driver); ide_cd_release(&info->kref); goto failed; } diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 6e1a25e61df5..5fc4213437a5 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -782,11 +782,13 @@ static inline void idedisk_add_settings(ide_drive_t *drive) { ; } static void idedisk_setup(ide_drive_t *drive) { + struct ide_disk_obj *idkp = drive->driver_data; ide_hwif_t *hwif = drive->hwif; u16 *id = drive->id; char *m = (char *)&id[ATA_ID_PROD]; unsigned long long capacity; + ide_proc_register_driver(drive, idkp->driver); idedisk_add_settings(drive); if (drive->id_read == 0) @@ -1151,8 +1153,6 @@ static int ide_disk_probe(ide_drive_t *drive) ide_init_disk(g, drive); - ide_proc_register_driver(drive, &idedisk_driver); - kref_init(&idkp->kref); idkp->drive = drive; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index b0f4d8459a9d..597459c81d5f 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1061,6 +1061,8 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) } (void) ide_floppy_get_capacity(drive); + + ide_proc_register_driver(drive, floppy->driver); idefloppy_add_settings(drive); } @@ -1413,8 +1415,6 @@ static int ide_floppy_probe(ide_drive_t *drive) ide_init_disk(g, drive); - ide_proc_register_driver(drive, &idefloppy_driver); - kref_init(&floppy->kref); floppy->drive = drive; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 874e60fc85d1..f41983e4a4e4 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2514,6 +2514,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) tape->best_dsc_rw_freq * 1000 / HZ, drive->using_dma ? ", DMA":""); + ide_proc_register_driver(drive, tape->driver); idetape_add_settings(drive); } @@ -2669,8 +2670,6 @@ static int ide_tape_probe(ide_drive_t *drive) ide_init_disk(g, drive); - ide_proc_register_driver(drive, &idetape_driver); - kref_init(&tape->kref); tape->drive = drive; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index d9a2cc09f5c6..02bd5c487d1f 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -460,6 +460,7 @@ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) drive->pc_callback = ide_scsi_callback; + ide_proc_register_driver(drive, scsi->driver); idescsi_add_settings(drive); } @@ -851,7 +852,6 @@ static int ide_scsi_probe(ide_drive_t *drive) idescsi->host = host; idescsi->disk = g; g->private_data = &idescsi->driver; - ide_proc_register_driver(drive, &idescsi_driver); err = 0; idescsi_setup(drive, idescsi); g->fops = &idescsi_ops; -- GitLab From 263138a0ad6e38de7f6526b7de037ed4511308ef Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:27 +0200 Subject: [PATCH 3559/6244] ide: preparations for /proc/ide/hd*/settings rework After rework settings will be no longer created dynamically for each device so we need to make some fixups first. * Use set_[ksettings,unmaskirq]() as a set function for ["keepsettings","unmaskirq"] setting. * Allow writes to ["io_32bit","unmaskirq"] settings also when drive->no_[io_32bit,unmask] is set (this is checked later inside set_[io_32bit,unmaskirq]() anywyay and keeps consistency with the corresponding HDIO_SET_[32BIT,UNMASKINTR] ioctls). * Use max possible multi sectors value (16) as an allowed max for "multcount" setting. set_multcount() set function checks against device's max possbile value anyway and it makes the proc setting consistent with the corresponding HDIO_SET_MULTCOUNT ioctl. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 3 +-- drivers/ide/ide-proc.c | 6 +++--- drivers/ide/ide.c | 4 ++-- include/linux/ide.h | 2 ++ 4 files changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 5fc4213437a5..7a15907dce1d 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -760,8 +760,7 @@ static void idedisk_add_settings(ide_drive_t *drive) &drive->bios_sect, NULL); ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, &drive->addressing, set_lba_addressing); - ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, - drive->id[ATA_ID_MAX_MULTSECT] & 0xff, 1, 1, + ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, 16, 1, 1, &drive->mult_count, set_multcount); ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nowerr, set_nowerr); diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index cbe5a7efbbad..7a64aedfa648 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -368,11 +368,11 @@ void ide_add_generic_settings (ide_drive_t *drive) /* * drive setting name read/write access data type min max mul_factor div_factor data pointer set function */ - __ide_add_setting(drive, "io_32bit", drive->no_io_32bit ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0); - __ide_add_setting(drive, "keepsettings", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, NULL, 0); + __ide_add_setting(drive, "io_32bit", SETTING_RW, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0); + __ide_add_setting(drive, "keepsettings", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, set_ksettings, 0); __ide_add_setting(drive, "nice1", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nice1, NULL, 0); __ide_add_setting(drive, "pio_mode", SETTING_WRITE, TYPE_BYTE, 0, 255, 1, 1, NULL, set_pio_mode, 0); - __ide_add_setting(drive, "unmaskirq", drive->no_unmask ? SETTING_READ : SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, NULL, 0); + __ide_add_setting(drive, "unmaskirq", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, set_unmaskirq, 0); __ide_add_setting(drive, "using_dma", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->using_dma, set_using_dma, 0); __ide_add_setting(drive, "init_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->init_speed, NULL, 0); __ide_add_setting(drive, "current_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->current_speed, set_xfer_rate, 0); diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 080314e3d6b7..8e0c9f27ae4a 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -305,7 +305,7 @@ int set_io_32bit(ide_drive_t *drive, int arg) return 0; } -static int set_ksettings(ide_drive_t *drive, int arg) +int set_ksettings(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) return -EINVAL; @@ -394,7 +394,7 @@ int set_pio_mode(ide_drive_t *drive, int arg) return 0; } -static int set_unmaskirq(ide_drive_t *drive, int arg) +int set_unmaskirq(ide_drive_t *drive, int arg) { if (drive->no_unmask) return -EPERM; diff --git a/include/linux/ide.h b/include/linux/ide.h index a7f980d2fe5b..ad09e7c81ae9 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -688,7 +688,9 @@ typedef struct ide_driver_s ide_driver_t; extern struct mutex ide_setting_mtx; int set_io_32bit(ide_drive_t *, int); +int set_ksettings(ide_drive_t *, int); int set_pio_mode(ide_drive_t *, int); +int set_unmaskirq(ide_drive_t *, int); int set_using_dma(ide_drive_t *, int); /* ATAPI packet command flags */ -- GitLab From 8185d5aa93e0a5c111adc4952a5b87193a68ae5b Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:28 +0200 Subject: [PATCH 3560/6244] ide: /proc/ide/hd*/settings rework * Add struct ide_devset, S_* flags, *DEVSET() & ide*_devset_*() macros. * Add 'const struct ide_devset **settings' to ide_driver_t. * Use 'const struct ide_devset **settings' in ide_drive_t instead of 'struct ide_settings_s *settings'. Then convert core code and device drivers to use struct ide_devset and co.: - device settings are no longer allocated dynamically for each device but instead there is an unique struct ide_devset instance per setting - device driver keeps the pointer to the table of pointers to its settings in ide_driver_t.settings - generic settings are kept in ide_generic_setting[] - ide_proc_[un]register_driver(), ide_find_setting_by_name(), ide_{read,write}_setting() and proc_ide_{read,write}_settings() are updated accordingly - ide*_add_settings() are removed * Remove no longer used __ide_add_setting(), ide_add_setting(), __ide_remove_setting() and auto_remove_settings(). * Remove no longer used TYPE_*, SETTING_*, ide_procset_t and ide_settings_t. * ->keep_settings, ->using_dma, ->unmask, ->noflush, ->dsc_overlap, ->nice1, ->addressing, ->wcache and ->nowerr ide_drive_t fields can now be bitfield flags. While at it: * Rename ide_find_setting_by_name() to ide_find_setting(). * Rename write_wcache() to set_wcache(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 15 +-- drivers/ide/ide-disk.c | 87 ++++++------ drivers/ide/ide-floppy.c | 35 +++-- drivers/ide/ide-probe.c | 2 - drivers/ide/ide-proc.c | 279 ++++++++++++--------------------------- drivers/ide/ide-tape.c | 74 +++++++---- drivers/ide/ide.c | 21 ++- drivers/scsi/ide-scsi.c | 52 +++++--- include/linux/ide.h | 110 ++++++++++----- 9 files changed, 340 insertions(+), 335 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 34a1aeaa15dd..1f5652326489 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1809,13 +1809,12 @@ static ide_proc_entry_t idecd_proc[] = { { NULL, 0, NULL, NULL } }; -static void ide_cdrom_add_settings(ide_drive_t *drive) -{ - ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, - &drive->dsc_overlap, NULL); -} -#else -static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; } +ide_devset_rw(dsc_overlap, 0, 1, dsc_overlap); + +static const struct ide_devset *idecd_settings[] = { + &ide_devset_dsc_overlap, + NULL +}; #endif static const struct cd_list_entry ide_cd_quirks_list[] = { @@ -1926,7 +1925,6 @@ static int ide_cdrom_setup(ide_drive_t *drive) } ide_proc_register_driver(drive, cd->driver); - ide_cdrom_add_settings(drive); return 0; } @@ -1977,6 +1975,7 @@ static ide_driver_t ide_cdrom_driver = { .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS .proc = idecd_proc, + .settings = idecd_settings, #endif }; diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 7a15907dce1d..2e43ae15fb1b 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -599,6 +599,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) rq->special = task; } +ide_devset_get(multcount, mult_count); + /* * This is tightly woven into the driver->do_special can not touch. * DON'T do it again until a total personality rewrite is committed. @@ -625,6 +627,8 @@ static int set_multcount(ide_drive_t *drive, int arg) return (drive->mult_count == arg) ? 0 : -EIO; } +ide_devset_get(nowerr, nowerr); + static int set_nowerr(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) @@ -673,7 +677,9 @@ static void update_ordered(ide_drive_t *drive) blk_queue_ordered(drive->queue, ordered, prep_fn); } -static int write_cache(ide_drive_t *drive, int arg) +ide_devset_get(wcache, wcache); + +static int set_wcache(ide_drive_t *drive, int arg) { ide_task_t args; int err = 1; @@ -710,6 +716,8 @@ static int do_idedisk_flushcache(ide_drive_t *drive) return ide_no_data_taskfile(drive, &args); } +ide_devset_get(acoustic, acoustic); + static int set_acoustic(ide_drive_t *drive, int arg) { ide_task_t args; @@ -727,6 +735,8 @@ static int set_acoustic(ide_drive_t *drive, int arg) return 0; } +ide_devset_get(lba_addressing, addressing); + /* * drive->addressing: * 0: 28-bit @@ -750,33 +760,33 @@ static int set_lba_addressing(ide_drive_t *drive, int arg) } #ifdef CONFIG_IDE_PROC_FS -static void idedisk_add_settings(ide_drive_t *drive) -{ - ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, - &drive->bios_cyl, NULL); - ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, - &drive->bios_head, NULL); - ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, - &drive->bios_sect, NULL); - ide_add_setting(drive, "address", SETTING_RW, TYPE_BYTE, 0, 2, 1, 1, - &drive->addressing, set_lba_addressing); - ide_add_setting(drive, "multcount", SETTING_RW, TYPE_BYTE, 0, 16, 1, 1, - &drive->mult_count, set_multcount); - ide_add_setting(drive, "nowerr", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, - &drive->nowerr, set_nowerr); - ide_add_setting(drive, "lun", SETTING_RW, TYPE_INT, 0, 7, 1, 1, - &drive->lun, NULL); - ide_add_setting(drive, "wcache", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, - &drive->wcache, write_cache); - ide_add_setting(drive, "acoustic", SETTING_RW, TYPE_BYTE, 0, 254, 1, 1, - &drive->acoustic, set_acoustic); - ide_add_setting(drive, "failures", SETTING_RW, TYPE_INT, 0, 65535, 1, 1, - &drive->failures, NULL); - ide_add_setting(drive, "max_failures", SETTING_RW, TYPE_INT, 0, 65535, - 1, 1, &drive->max_failures, NULL); -} -#else -static inline void idedisk_add_settings(ide_drive_t *drive) { ; } +ide_devset_rw_nolock(acoustic, 0, 254, acoustic); +ide_devset_rw_nolock(address, 0, 2, lba_addressing); +ide_devset_rw_nolock(multcount, 0, 16, multcount); +ide_devset_rw_nolock(nowerr, 0, 1, nowerr); +ide_devset_rw_nolock(wcache, 0, 1, wcache); + +ide_devset_rw(bios_cyl, 0, 65535, bios_cyl); +ide_devset_rw(bios_head, 0, 255, bios_head); +ide_devset_rw(bios_sect, 0, 63, bios_sect); +ide_devset_rw(failures, 0, 65535, failures); +ide_devset_rw(lun, 0, 7, lun); +ide_devset_rw(max_failures, 0, 65535, max_failures); + +static const struct ide_devset *idedisk_settings[] = { + &ide_devset_acoustic, + &ide_devset_address, + &ide_devset_bios_cyl, + &ide_devset_bios_head, + &ide_devset_bios_sect, + &ide_devset_failures, + &ide_devset_lun, + &ide_devset_max_failures, + &ide_devset_multcount, + &ide_devset_nowerr, + &ide_devset_wcache, + NULL +}; #endif static void idedisk_setup(ide_drive_t *drive) @@ -788,7 +798,6 @@ static void idedisk_setup(ide_drive_t *drive) unsigned long long capacity; ide_proc_register_driver(drive, idkp->driver); - idedisk_add_settings(drive); if (drive->id_read == 0) return; @@ -880,7 +889,7 @@ static void idedisk_setup(ide_drive_t *drive) if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id)) drive->wcache = 1; - write_cache(drive, 1); + set_wcache(drive, 1); } static void ide_cacheflush_p(ide_drive_t *drive) @@ -976,6 +985,7 @@ static ide_driver_t idedisk_driver = { .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS .proc = idedisk_proc, + .settings = idedisk_settings, #endif }; @@ -1056,19 +1066,18 @@ static int idedisk_ioctl(struct inode *inode, struct file *file, struct block_device *bdev = inode->i_bdev; struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); ide_drive_t *drive = idkp->drive; - int err, (*setfunc)(ide_drive_t *, int); - u8 *val; + int err, (*getfunc)(ide_drive_t *), (*setfunc)(ide_drive_t *, int); switch (cmd) { - case HDIO_GET_ADDRESS: val = &drive->addressing; goto read_val; - case HDIO_GET_MULTCOUNT: val = &drive->mult_count; goto read_val; - case HDIO_GET_NOWERR: val = &drive->nowerr; goto read_val; - case HDIO_GET_WCACHE: val = &drive->wcache; goto read_val; - case HDIO_GET_ACOUSTIC: val = &drive->acoustic; goto read_val; + case HDIO_GET_ADDRESS: getfunc = get_lba_addressing; goto read_val; + case HDIO_GET_MULTCOUNT: getfunc = get_multcount; goto read_val; + case HDIO_GET_NOWERR: getfunc = get_nowerr; goto read_val; + case HDIO_GET_WCACHE: getfunc = get_wcache; goto read_val; + case HDIO_GET_ACOUSTIC: getfunc = get_acoustic; goto read_val; case HDIO_SET_ADDRESS: setfunc = set_lba_addressing; goto set_val; case HDIO_SET_MULTCOUNT: setfunc = set_multcount; goto set_val; case HDIO_SET_NOWERR: setfunc = set_nowerr; goto set_val; - case HDIO_SET_WCACHE: setfunc = write_cache; goto set_val; + case HDIO_SET_WCACHE: setfunc = set_wcache; goto set_val; case HDIO_SET_ACOUSTIC: setfunc = set_acoustic; goto set_val; } @@ -1077,7 +1086,7 @@ static int idedisk_ioctl(struct inode *inode, struct file *file, read_val: mutex_lock(&ide_setting_mtx); spin_lock_irqsave(&ide_lock, flags); - err = *val; + err = getfunc(drive); spin_unlock_irqrestore(&ide_lock, flags); mutex_unlock(&ide_setting_mtx); return err >= 0 ? put_user(err, (long __user *)arg) : err; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 597459c81d5f..673644fdb6f2 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1007,21 +1007,32 @@ static int idefloppy_identify_device(ide_drive_t *drive, u16 *id) } #ifdef CONFIG_IDE_PROC_FS -static void idefloppy_add_settings(ide_drive_t *drive) +ide_devset_rw(bios_cyl, 0, 1023, bios_cyl); +ide_devset_rw(bios_head, 0, 255, bios_head); +ide_devset_rw(bios_sect, 0, 63, bios_sect); + +static int get_ticks(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; + return floppy->ticks; +} - ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1, - &drive->bios_cyl, NULL); - ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, - &drive->bios_head, NULL); - ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, - &drive->bios_sect, NULL); - ide_add_setting(drive, "ticks", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, - &floppy->ticks, NULL); +static int set_ticks(ide_drive_t *drive, int arg) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + floppy->ticks = arg; + return 0; } -#else -static inline void idefloppy_add_settings(ide_drive_t *drive) { ; } + +IDE_DEVSET(ticks, S_RW, 0, 255, get_ticks, set_ticks); + +static const struct ide_devset *idefloppy_settings[] = { + &ide_devset_bios_cyl, + &ide_devset_bios_head, + &ide_devset_bios_sect, + &ide_devset_ticks, + NULL +}; #endif static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) @@ -1063,7 +1074,6 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) (void) ide_floppy_get_capacity(drive); ide_proc_register_driver(drive, floppy->driver); - idefloppy_add_settings(drive); } static void ide_floppy_remove(ide_drive_t *drive) @@ -1126,6 +1136,7 @@ static ide_driver_t idefloppy_driver = { .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS .proc = idefloppy_proc, + .settings = idefloppy_settings, #endif }; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 9926e12783bb..62f7e1ef10c1 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1332,8 +1332,6 @@ static void hwif_register_devices(ide_hwif_t *hwif) if (!drive->present) continue; - ide_add_generic_settings(drive); - snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i); dev->parent = &hwif->gendev; dev->bus = &ide_bus_type; diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 7a64aedfa648..5634b3971d21 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -114,140 +114,24 @@ static int proc_ide_read_identify } /** - * __ide_add_setting - add an ide setting option - * @drive: drive to use + * ide_find_setting - find a specific setting + * @st: setting table pointer * @name: setting name - * @rw: true if the function is read write - * @data_type: type of data - * @min: range minimum - * @max: range maximum - * @mul_factor: multiplication scale - * @div_factor: divison scale - * @data: private data field - * @set: setting - * @auto_remove: setting auto removal flag * - * Removes the setting named from the device if it is present. - * The function takes the settings_lock to protect against - * parallel changes. This function must not be called from IRQ - * context. Returns 0 on success or -1 on failure. - * - * BUGS: This code is seriously over-engineered. There is also - * magic about how the driver specific features are setup. If - * a driver is attached we assume the driver settings are auto - * remove. - */ - -static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set, int auto_remove) -{ - ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL; - - mutex_lock(&ide_setting_mtx); - while ((*p) && strcmp((*p)->name, name) < 0) - p = &((*p)->next); - if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL) - goto abort; - if ((setting->name = kmalloc(strlen(name) + 1, GFP_KERNEL)) == NULL) - goto abort; - strcpy(setting->name, name); - setting->rw = rw; - setting->data_type = data_type; - setting->min = min; - setting->max = max; - setting->mul_factor = mul_factor; - setting->div_factor = div_factor; - setting->data = data; - setting->set = set; - - setting->next = *p; - if (auto_remove) - setting->auto_remove = 1; - *p = setting; - mutex_unlock(&ide_setting_mtx); - return 0; -abort: - mutex_unlock(&ide_setting_mtx); - kfree(setting); - return -1; -} - -int ide_add_setting(ide_drive_t *drive, const char *name, int rw, int data_type, int min, int max, int mul_factor, int div_factor, void *data, ide_procset_t *set) -{ - return __ide_add_setting(drive, name, rw, data_type, min, max, mul_factor, div_factor, data, set, 1); -} - -EXPORT_SYMBOL(ide_add_setting); - -/** - * __ide_remove_setting - remove an ide setting option - * @drive: drive to use - * @name: setting name - * - * Removes the setting named from the device if it is present. - * The caller must hold the setting semaphore. - */ - -static void __ide_remove_setting(ide_drive_t *drive, char *name) -{ - ide_settings_t **p, *setting; - - p = (ide_settings_t **) &drive->settings; - - while ((*p) && strcmp((*p)->name, name)) - p = &((*p)->next); - setting = (*p); - if (setting == NULL) - return; - - (*p) = setting->next; - - kfree(setting->name); - kfree(setting); -} - -/** - * auto_remove_settings - remove driver specific settings - * @drive: drive - * - * Automatically remove all the driver specific settings for this - * drive. This function may not be called from IRQ context. The - * caller must hold ide_setting_mtx. - */ - -static void auto_remove_settings(ide_drive_t *drive) -{ - ide_settings_t *setting; -repeat: - setting = drive->settings; - while (setting) { - if (setting->auto_remove) { - __ide_remove_setting(drive, setting->name); - goto repeat; - } - setting = setting->next; - } -} - -/** - * ide_find_setting_by_name - find a drive specific setting - * @drive: drive to scan - * @name: setting name - * - * Scan's the device setting table for a matching entry and returns + * Scan's the setting table for a matching entry and returns * this or NULL if no entry is found. The caller must hold the * setting semaphore */ -static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name) +static const struct ide_devset *ide_find_setting(const struct ide_devset **st, + char *name) { - ide_settings_t *setting = drive->settings; - - while (setting) { - if (strcmp(setting->name, name) == 0) + while (*st) { + if (strcmp((*st)->name, name) == 0) break; - setting = setting->next; + st++; } - return setting; + return *st; } /** @@ -263,26 +147,19 @@ static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name) * be told apart */ -static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting) +static int ide_read_setting(ide_drive_t *drive, + const struct ide_devset *setting) { - int val = -EINVAL; - unsigned long flags; + int val = -EINVAL; + + if ((setting->flags & S_READ)) { + unsigned long flags; - if ((setting->rw & SETTING_READ)) { spin_lock_irqsave(&ide_lock, flags); - switch (setting->data_type) { - case TYPE_BYTE: - val = *((u8 *) setting->data); - break; - case TYPE_SHORT: - val = *((u16 *) setting->data); - break; - case TYPE_INT: - val = *((u32 *) setting->data); - break; - } + val = setting->get(drive); spin_unlock_irqrestore(&ide_lock, flags); } + return val; } @@ -304,33 +181,26 @@ static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting) * The current scheme of polling is kludgy, though safe enough. */ -static int ide_write_setting(ide_drive_t *drive, ide_settings_t *setting, int val) +static int ide_write_setting(ide_drive_t *drive, + const struct ide_devset *setting, int val) { if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (setting->set) + if (setting->set && (setting->flags & S_NOLOCK)) return setting->set(drive, val); - if (!(setting->rw & SETTING_WRITE)) + if (!(setting->flags & S_WRITE)) return -EPERM; if (val < setting->min || val > setting->max) return -EINVAL; if (ide_spin_wait_hwgroup(drive)) return -EBUSY; - switch (setting->data_type) { - case TYPE_BYTE: - *((u8 *) setting->data) = val; - break; - case TYPE_SHORT: - *((u16 *) setting->data) = val; - break; - case TYPE_INT: - *((u32 *) setting->data) = val; - break; - } + setting->set(drive, val); spin_unlock_irq(&ide_lock); return 0; } +static ide_devset_get(xfer_rate, current_speed); + static int set_xfer_rate (ide_drive_t *drive, int arg) { ide_task_t task; @@ -355,29 +225,30 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) return err; } -/** - * ide_add_generic_settings - generic ide settings - * @drive: drive being configured - * - * Add the generic parts of the system settings to the /proc files. - * The caller must not be holding the ide_setting_mtx. - */ - -void ide_add_generic_settings (ide_drive_t *drive) -{ -/* - * drive setting name read/write access data type min max mul_factor div_factor data pointer set function - */ - __ide_add_setting(drive, "io_32bit", SETTING_RW, TYPE_BYTE, 0, 1 + (SUPPORT_VLB_SYNC << 1), 1, 1, &drive->io_32bit, set_io_32bit, 0); - __ide_add_setting(drive, "keepsettings", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->keep_settings, set_ksettings, 0); - __ide_add_setting(drive, "nice1", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->nice1, NULL, 0); - __ide_add_setting(drive, "pio_mode", SETTING_WRITE, TYPE_BYTE, 0, 255, 1, 1, NULL, set_pio_mode, 0); - __ide_add_setting(drive, "unmaskirq", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->unmask, set_unmaskirq, 0); - __ide_add_setting(drive, "using_dma", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1, &drive->using_dma, set_using_dma, 0); - __ide_add_setting(drive, "init_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->init_speed, NULL, 0); - __ide_add_setting(drive, "current_speed", SETTING_RW, TYPE_BYTE, 0, 70, 1, 1, &drive->current_speed, set_xfer_rate, 0); - __ide_add_setting(drive, "number", SETTING_RW, TYPE_BYTE, 0, 3, 1, 1, &drive->dn, NULL, 0); -} +ide_devset_rw_nolock(current_speed, 0, 70, xfer_rate); +ide_devset_rw_nolock(io_32bit, 0, 1 + (SUPPORT_VLB_SYNC << 1), io_32bit); +ide_devset_rw_nolock(keepsettings, 0, 1, ksettings); +ide_devset_rw_nolock(unmaskirq, 0, 1, unmaskirq); +ide_devset_rw_nolock(using_dma, 0, 1, using_dma); + +ide_devset_w_nolock(pio_mode, 0, 255, pio_mode); + +ide_devset_rw(init_speed, 0, 70, init_speed); +ide_devset_rw(nice1, 0, 1, nice1); +ide_devset_rw(number, 0, 3, dn); + +static const struct ide_devset *ide_generic_settings[] = { + &ide_devset_current_speed, + &ide_devset_init_speed, + &ide_devset_io_32bit, + &ide_devset_keepsettings, + &ide_devset_nice1, + &ide_devset_number, + &ide_devset_pio_mode, + &ide_devset_unmaskirq, + &ide_devset_using_dma, + NULL +}; static void proc_ide_settings_warn(void) { @@ -394,19 +265,31 @@ static void proc_ide_settings_warn(void) static int proc_ide_read_settings (char *page, char **start, off_t off, int count, int *eof, void *data) { + const struct ide_devset *setting, **g, **d; ide_drive_t *drive = (ide_drive_t *) data; - ide_settings_t *setting = (ide_settings_t *) drive->settings; char *out = page; int len, rc, mul_factor, div_factor; proc_ide_settings_warn(); mutex_lock(&ide_setting_mtx); + g = ide_generic_settings; + d = drive->settings; out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n"); out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n"); - while (setting) { - mul_factor = setting->mul_factor; - div_factor = setting->div_factor; + while (*g || (d && *d)) { + /* read settings in the alphabetical order */ + if (*g && d && *d) { + if (strcmp((*d)->name, (*g)->name) < 0) + setting = *d++; + else + setting = *g++; + } else if (d && *d) { + setting = *d++; + } else + setting = *g++; + mul_factor = setting->mulf ? setting->mulf(drive) : 1; + div_factor = setting->divf ? setting->divf(drive) : 1; out += sprintf(out, "%-24s", setting->name); rc = ide_read_setting(drive, setting); if (rc >= 0) @@ -414,12 +297,11 @@ static int proc_ide_read_settings else out += sprintf(out, "%-16s", "write-only"); out += sprintf(out, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor); - if (setting->rw & SETTING_READ) + if (setting->flags & S_READ) out += sprintf(out, "r"); - if (setting->rw & SETTING_WRITE) + if (setting->flags & S_WRITE) out += sprintf(out, "w"); out += sprintf(out, "\n"); - setting = setting->next; } len = out - page; mutex_unlock(&ide_setting_mtx); @@ -433,9 +315,10 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer, { ide_drive_t *drive = (ide_drive_t *) data; char name[MAX_LEN + 1]; - int for_real = 0; + int for_real = 0, mul_factor, div_factor; unsigned long n; - ide_settings_t *setting; + + const struct ide_devset *setting; char *buf, *s; if (!capable(CAP_SYS_ADMIN)) @@ -503,13 +386,21 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer, } mutex_lock(&ide_setting_mtx); - setting = ide_find_setting_by_name(drive, name); + /* generic settings first, then driver specific ones */ + setting = ide_find_setting(ide_generic_settings, name); if (!setting) { - mutex_unlock(&ide_setting_mtx); - goto parse_error; + if (drive->settings) + setting = ide_find_setting(drive->settings, name); + if (!setting) { + mutex_unlock(&ide_setting_mtx); + goto parse_error; + } + } + if (for_real) { + mul_factor = setting->mulf ? setting->mulf(drive) : 1; + div_factor = setting->divf ? setting->divf(drive) : 1; + ide_write_setting(drive, setting, val * div_factor / mul_factor); } - if (for_real) - ide_write_setting(drive, setting, val * setting->div_factor / setting->mul_factor); mutex_unlock(&ide_setting_mtx); } } while (!for_real++); @@ -680,6 +571,10 @@ static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { + mutex_lock(&ide_setting_mtx); + drive->settings = driver->settings; + mutex_unlock(&ide_setting_mtx); + ide_add_proc_entries(drive->proc, driver->proc, drive); } @@ -716,7 +611,7 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) * OTOH both ide_{read,write}_setting are only ever used under * ide_setting_mtx. */ - auto_remove_settings(drive); + drive->settings = NULL; spin_unlock_irqrestore(&ide_lock, flags); mutex_unlock(&ide_setting_mtx); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index f41983e4a4e4..7037accb0589 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2410,28 +2410,56 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive) } #ifdef CONFIG_IDE_PROC_FS -static void idetape_add_settings(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - - ide_add_setting(drive, "buffer", SETTING_READ, TYPE_SHORT, 0, 0xffff, - 1, 2, (u16 *)&tape->caps[16], NULL); - ide_add_setting(drive, "speed", SETTING_READ, TYPE_SHORT, 0, 0xffff, - 1, 1, (u16 *)&tape->caps[14], NULL); - ide_add_setting(drive, "buffer_size", SETTING_READ, TYPE_INT, 0, 0xffff, - 1, 1024, &tape->buffer_size, NULL); - ide_add_setting(drive, "tdsc", SETTING_RW, TYPE_INT, IDETAPE_DSC_RW_MIN, - IDETAPE_DSC_RW_MAX, 1000, HZ, &tape->best_dsc_rw_freq, - NULL); - ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, - 1, &drive->dsc_overlap, NULL); - ide_add_setting(drive, "avg_speed", SETTING_READ, TYPE_INT, 0, 0xffff, - 1, 1, &tape->avg_speed, NULL); - ide_add_setting(drive, "debug_mask", SETTING_RW, TYPE_INT, 0, 0xffff, 1, - 1, &tape->debug_mask, NULL); -} -#else -static inline void idetape_add_settings(ide_drive_t *drive) { ; } +#define ide_tape_devset_get(name, field) \ +static int get_##name(ide_drive_t *drive) \ +{ \ + idetape_tape_t *tape = drive->driver_data; \ + return tape->field; \ +} + +#define ide_tape_devset_set(name, field) \ +static int set_##name(ide_drive_t *drive, int arg) \ +{ \ + idetape_tape_t *tape = drive->driver_data; \ + tape->field = arg; \ + return 0; \ +} + +#define ide_tape_devset_rw(_name, _min, _max, _field, _mulf, _divf) \ +ide_tape_devset_get(_name, _field) \ +ide_tape_devset_set(_name, _field) \ +__IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name, _mulf, _divf) + +#define ide_tape_devset_r(_name, _min, _max, _field, _mulf, _divf) \ +ide_tape_devset_get(_name, _field) \ +__IDE_DEVSET(_name, S_READ, _min, _max, get_##_name, NULL, _mulf, _divf) + +static int mulf_tdsc(ide_drive_t *drive) { return 1000; } +static int divf_tdsc(ide_drive_t *drive) { return HZ; } +static int divf_buffer(ide_drive_t *drive) { return 2; } +static int divf_buffer_size(ide_drive_t *drive) { return 1024; } + +ide_devset_rw(dsc_overlap, 0, 1, dsc_overlap); + +ide_tape_devset_rw(debug_mask, 0, 0xffff, debug_mask, NULL, NULL); +ide_tape_devset_rw(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, + best_dsc_rw_freq, mulf_tdsc, divf_tdsc); + +ide_tape_devset_r(avg_speed, 0, 0xffff, avg_speed, NULL, NULL); +ide_tape_devset_r(speed, 0, 0xffff, caps[14], NULL, NULL); +ide_tape_devset_r(buffer, 0, 0xffff, caps[16], NULL, divf_buffer); +ide_tape_devset_r(buffer_size, 0, 0xffff, buffer_size, NULL, divf_buffer_size); + +static const struct ide_devset *idetape_settings[] = { + &ide_devset_avg_speed, + &ide_devset_buffer, + &ide_devset_buffer_size, + &ide_devset_debug_mask, + &ide_devset_dsc_overlap, + &ide_devset_speed, + &ide_devset_tdsc, + NULL +}; #endif /* @@ -2515,7 +2543,6 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) drive->using_dma ? ", DMA":""); ide_proc_register_driver(drive, tape->driver); - idetape_add_settings(drive); } static void ide_tape_remove(ide_drive_t *drive) @@ -2586,6 +2613,7 @@ static ide_driver_t idetape_driver = { .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS .proc = idetape_proc, + .settings = idetape_settings, #endif }; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 8e0c9f27ae4a..eb64e942f58b 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -287,6 +287,8 @@ int ide_spin_wait_hwgroup (ide_drive_t *drive) EXPORT_SYMBOL(ide_spin_wait_hwgroup); +ide_devset_get(io_32bit, io_32bit); + int set_io_32bit(ide_drive_t *drive, int arg) { if (drive->no_io_32bit) @@ -305,6 +307,8 @@ int set_io_32bit(ide_drive_t *drive, int arg) return 0; } +ide_devset_get(ksettings, keep_settings); + int set_ksettings(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) @@ -318,6 +322,8 @@ int set_ksettings(ide_drive_t *drive, int arg) return 0; } +ide_devset_get(using_dma, using_dma); + int set_using_dma(ide_drive_t *drive, int arg) { #ifdef CONFIG_BLK_DEV_IDEDMA @@ -394,6 +400,8 @@ int set_pio_mode(ide_drive_t *drive, int arg) return 0; } +ide_devset_get(unmaskirq, unmask); + int set_unmaskirq(ide_drive_t *drive, int arg) { if (drive->no_unmask) @@ -555,14 +563,13 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device { unsigned long flags; ide_driver_t *drv; - int err = 0, (*setfunc)(ide_drive_t *, int); - u8 *val; + int err = 0, (*getfunc)(ide_drive_t *), (*setfunc)(ide_drive_t *, int); switch (cmd) { - case HDIO_GET_32BIT: val = &drive->io_32bit; goto read_val; - case HDIO_GET_KEEPSETTINGS: val = &drive->keep_settings; goto read_val; - case HDIO_GET_UNMASKINTR: val = &drive->unmask; goto read_val; - case HDIO_GET_DMA: val = &drive->using_dma; goto read_val; + case HDIO_GET_32BIT: getfunc = get_io_32bit; goto read_val; + case HDIO_GET_KEEPSETTINGS: getfunc = get_ksettings; goto read_val; + case HDIO_GET_UNMASKINTR: getfunc = get_unmaskirq; goto read_val; + case HDIO_GET_DMA: getfunc = get_using_dma; goto read_val; case HDIO_SET_32BIT: setfunc = set_io_32bit; goto set_val; case HDIO_SET_KEEPSETTINGS: setfunc = set_ksettings; goto set_val; case HDIO_SET_PIO_MODE: setfunc = set_pio_mode; goto set_val; @@ -638,7 +645,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device read_val: mutex_lock(&ide_setting_mtx); spin_lock_irqsave(&ide_lock, flags); - err = *val; + err = getfunc(drive); spin_unlock_irqrestore(&ide_lock, flags); mutex_unlock(&ide_setting_mtx); return err >= 0 ? put_user(err, (long __user *)arg) : err; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 02bd5c487d1f..65cf84b222c5 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -429,21 +429,41 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r } #ifdef CONFIG_IDE_PROC_FS -static void idescsi_add_settings(ide_drive_t *drive) -{ - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - -/* - * drive setting name read/write data type min max mul_factor div_factor data pointer set function - */ - ide_add_setting(drive, "bios_cyl", SETTING_RW, TYPE_INT, 0, 1023, 1, 1, &drive->bios_cyl, NULL); - ide_add_setting(drive, "bios_head", SETTING_RW, TYPE_BYTE, 0, 255, 1, 1, &drive->bios_head, NULL); - ide_add_setting(drive, "bios_sect", SETTING_RW, TYPE_BYTE, 0, 63, 1, 1, &drive->bios_sect, NULL); - ide_add_setting(drive, "transform", SETTING_RW, TYPE_INT, 0, 3, 1, 1, &scsi->transform, NULL); - ide_add_setting(drive, "log", SETTING_RW, TYPE_INT, 0, 1, 1, 1, &scsi->log, NULL); -} -#else -static inline void idescsi_add_settings(ide_drive_t *drive) { ; } +#define ide_scsi_devset_get(name, field) \ +static int get_##name(ide_drive_t *drive) \ +{ \ + idescsi_scsi_t *scsi = drive_to_idescsi(drive); \ + return scsi->field; \ +} + +#define ide_scsi_devset_set(name, field) \ +static int set_##name(ide_drive_t *drive, int arg) \ +{ \ + idescsi_scsi_t *scsi = drive_to_idescsi(drive); \ + scsi->field = arg; \ + return 0; \ +} + +#define ide_scsi_devset_rw(_name, _min, _max, _field) \ +ide_scsi_devset_get(_name, _field); \ +ide_scsi_devset_set(_name, _field); \ +IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name) + +ide_devset_rw(bios_cyl, 0, 1023, bios_cyl); +ide_devset_rw(bios_head, 0, 255, bios_head); +ide_devset_rw(bios_sect, 0, 63, bios_sect); + +ide_scsi_devset_rw(transform, 0, 3, transform); +ide_scsi_devset_rw(log, 0, 1, log); + +static const struct ide_devset *idescsi_settings[] = { + &ide_devset_bios_cyl, + &ide_devset_bios_head, + &ide_devset_bios_sect, + &ide_devset_log, + &ide_devset_transform, + NULL +}; #endif /* @@ -461,7 +481,6 @@ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) drive->pc_callback = ide_scsi_callback; ide_proc_register_driver(drive, scsi->driver); - idescsi_add_settings(drive); } static void ide_scsi_remove(ide_drive_t *drive) @@ -509,6 +528,7 @@ static ide_driver_t idescsi_driver = { .error = idescsi_atapi_error, #ifdef CONFIG_IDE_PROC_FS .proc = idescsi_proc, + .settings = idescsi_settings, #endif }; diff --git a/include/linux/ide.h b/include/linux/ide.h index ad09e7c81ae9..4667ec8aeebb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -304,8 +304,8 @@ typedef enum { ide_started, /* a drive operation was started, handler was set */ } ide_startstop_t; +struct ide_devset; struct ide_driver_s; -struct ide_settings_s; #ifdef CONFIG_BLK_DEV_IDEACPI struct ide_acpi_drive_link; @@ -384,7 +384,7 @@ struct ide_drive_s { u16 *id; /* identification info */ #ifdef CONFIG_IDE_PROC_FS struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ - struct ide_settings_s *settings;/* /proc/ide/ drive settings */ + const struct ide_devset **settings; /* /proc/ide/ drive settings */ #endif struct hwif_s *hwif; /* actually (ide_hwif_t *) */ @@ -396,16 +396,16 @@ struct ide_drive_s { special_t special; /* special action flags */ select_t select; /* basic drive/head select reg value */ - u8 keep_settings; /* restore settings after drive reset */ - u8 using_dma; /* disk is using dma for read/write */ u8 retry_pio; /* retrying dma capable host in pio */ u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ - u8 unmask; /* okay to unmask other irqs */ - u8 noflush; /* don't attempt flushes */ - u8 dsc_overlap; /* DSC overlap */ - u8 nice1; /* give potential excess bandwidth */ + unsigned keep_settings : 1; /* restore settings after drive reset */ + unsigned using_dma : 1; /* disk is using dma for read/write */ + unsigned unmask : 1; /* okay to unmask other irqs */ + unsigned noflush : 1; /* don't attempt flushes */ + unsigned dsc_overlap : 1; /* DSC overlap */ + unsigned nice1 : 1; /* give potential excess bandwidth */ unsigned present : 1; /* drive is physically present */ unsigned dead : 1; /* device ejected hint */ unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */ @@ -423,14 +423,15 @@ struct ide_drive_s { unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ unsigned post_reset : 1; unsigned udma33_warned : 1; + unsigned addressing : 2; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ + unsigned wcache : 1; /* status of write cache */ + unsigned nowerr : 1; /* used for ignoring ATA_DF */ - u8 addressing; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ u8 quirk_list; /* considered quirky, set for a specific host */ u8 init_speed; /* transfer rate set at boot */ u8 current_speed; /* current transfer rate set */ u8 desired_speed; /* desired transfer rate set */ u8 dn; /* now wide spread use */ - u8 wcache; /* status of write cache */ u8 acoustic; /* acoustic management */ u8 media; /* disk, cdrom, tape, floppy, ... */ u8 ready_stat; /* min status value for drive ready */ @@ -439,7 +440,6 @@ struct ide_drive_s { u8 tune_req; /* requested drive tuning setting */ u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ u8 bad_wstat; /* used for ignoring ATA_DF */ - u8 nowerr; /* used for ignoring ATA_DF */ u8 head; /* "real" number of heads */ u8 sect; /* "real" sectors per track */ u8 bios_head; /* BIOS/fdisk/LILO number of heads */ @@ -687,12 +687,29 @@ typedef struct ide_driver_s ide_driver_t; extern struct mutex ide_setting_mtx; +int get_io_32bit(ide_drive_t *); int set_io_32bit(ide_drive_t *, int); +int get_ksettings(ide_drive_t *); int set_ksettings(ide_drive_t *, int); int set_pio_mode(ide_drive_t *, int); +int get_unmaskirq(ide_drive_t *); int set_unmaskirq(ide_drive_t *, int); +int get_using_dma(ide_drive_t *); int set_using_dma(ide_drive_t *, int); +#define ide_devset_get(name, field) \ +int get_##name(ide_drive_t *drive) \ +{ \ + return drive->field; \ +} + +#define ide_devset_set(name, field) \ +int set_##name(ide_drive_t *drive, int arg) \ +{ \ + drive->field = arg; \ + return 0; \ +} + /* ATAPI packet command flags */ enum { /* set when an error is considered normal - no retry (ide-tape) */ @@ -757,30 +774,53 @@ struct ide_atapi_pc { * configurable drive settings */ -#define TYPE_INT 0 -#define TYPE_BYTE 1 -#define TYPE_SHORT 2 +#define S_READ (1 << 0) +#define S_WRITE (1 << 1) +#define S_RW (S_READ | S_WRITE) +#define S_NOLOCK (1 << 2) -#define SETTING_READ (1 << 0) -#define SETTING_WRITE (1 << 1) -#define SETTING_RW (SETTING_READ | SETTING_WRITE) +struct ide_devset { + const char *name; + unsigned int flags; + int min, max; + int (*get)(ide_drive_t *); + int (*set)(ide_drive_t *, int); + int (*mulf)(ide_drive_t *); + int (*divf)(ide_drive_t *); +}; -typedef int (ide_procset_t)(ide_drive_t *, int); -typedef struct ide_settings_s { - char *name; - int rw; - int data_type; - int min; - int max; - int mul_factor; - int div_factor; - void *data; - ide_procset_t *set; - int auto_remove; - struct ide_settings_s *next; -} ide_settings_t; - -int ide_add_setting(ide_drive_t *, const char *, int, int, int, int, int, int, void *, ide_procset_t *set); +#define __DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) { \ + .name = __stringify(_name), \ + .flags = _flags, \ + .min = _min, \ + .max = _max, \ + .get = _get, \ + .set = _set, \ + .mulf = _mulf, \ + .divf = _divf, \ +} + +#define __IDE_DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) \ +static const struct ide_devset ide_devset_##_name = \ + __DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) + +#define IDE_DEVSET(_name, _flags, _min, _max, _get, _set) \ +__IDE_DEVSET(_name, _flags, _min, _max, _get, _set, NULL, NULL) + +#define ide_devset_rw_nolock(_name, _min, _max, _func) \ +IDE_DEVSET(_name, S_RW | S_NOLOCK, _min, _max, get_##_func, set_##_func) + +#define ide_devset_w_nolock(_name, _min, _max, _func) \ +IDE_DEVSET(_name, S_WRITE | S_NOLOCK, _min, _max, NULL, set_##_func) + +#define ide_devset_rw(_name, _min, _max, _field) \ +static ide_devset_get(_name, _field); \ +static ide_devset_set(_name, _field); \ +IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name) + +#define ide_devset_r(_name, _min, _max, _field) \ +ide_devset_get(_name, _field) \ +IDE_DEVSET(_name, S_READ, _min, _max, get_##_name, NULL) /* * /proc/ide interface @@ -801,8 +841,6 @@ void ide_proc_unregister_port(ide_hwif_t *); void ide_proc_register_driver(ide_drive_t *, ide_driver_t *); void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *); -void ide_add_generic_settings(ide_drive_t *); - read_proc_t proc_ide_read_capacity; read_proc_t proc_ide_read_geometry; @@ -830,7 +868,6 @@ static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; } static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; } static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } -static inline void ide_add_generic_settings(ide_drive_t *drive) { ; } #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0; #endif @@ -887,6 +924,7 @@ struct ide_driver_s { void (*shutdown)(ide_drive_t *); #ifdef CONFIG_IDE_PROC_FS ide_proc_entry_t *proc; + const struct ide_devset **settings; #endif }; -- GitLab From 151a670186a0f8441798f90c8701647adb7a1589 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:28 +0200 Subject: [PATCH 3561/6244] ide: remove SECTOR_WORDS define Just use SECTOR_SIZE instead. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 5 +++-- drivers/ide/ide-iops.c | 2 +- drivers/ide/ide-probe.c | 2 +- drivers/ide/ide-proc.c | 5 +++-- drivers/ide/ide-taskfile.c | 2 +- include/linux/ide.h | 2 +- 6 files changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 2e43ae15fb1b..474070c1ddb6 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -539,13 +539,14 @@ static int proc_idedisk_read_smart(char *page, char **start, off_t off, if (get_smart_data(drive, page, sub_cmd) == 0) { unsigned short *val = (unsigned short *) page; - char *out = ((char *)val) + (SECTOR_WORDS * 4); + char *out = (char *)val + SECTOR_SIZE; + page = out; do { out += sprintf(out, "%04x%c", le16_to_cpu(*val), (++i & 7) ? ' ' : '\n'); val += 1; - } while (i < (SECTOR_WORDS * 2)); + } while (i < SECTOR_SIZE / 2); len = out - page; } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index ee44878e40d0..6256c2df62cc 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -693,7 +693,7 @@ int ide_driveid_update(ide_drive_t *drive) } local_irq_save(flags); SELECT_MASK(drive, 0); - id = kmalloc(SECTOR_WORDS*4, GFP_ATOMIC); + id = kmalloc(SECTOR_SIZE, GFP_ATOMIC); if (!id) { local_irq_restore(flags); return 0; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 62f7e1ef10c1..be121ffcc1dc 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -561,7 +561,7 @@ static inline u8 probe_for_drive (ide_drive_t *drive) * Also note that 0 everywhere means "can't do X" */ - drive->id = kzalloc(SECTOR_WORDS *4, GFP_KERNEL); + drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL); drive->id_read = 0; if(drive->id == NULL) { diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 5634b3971d21..6489c647be82 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -100,13 +100,14 @@ static int proc_ide_read_identify err = taskfile_lib_get_identify(drive, page); if (!err) { - char *out = ((char *)page) + (SECTOR_WORDS * 4); + char *out = (char *)page + SECTOR_SIZE; + page = out; do { out += sprintf(out, "%04x%c", le16_to_cpup(val), (++i & 7) ? ' ' : '\n'); val += 1; - } while (i < (SECTOR_WORDS * 2)); + } while (i < SECTOR_SIZE / 2); len = out - page; } } diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index b1fb815dbf68..7ffe9004a4d6 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -768,7 +768,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if (args[3]) { tfargs.tf_flags |= IDE_TFLAG_IO_16BIT; - bufsize = SECTOR_WORDS * 4 * args[3]; + bufsize = SECTOR_SIZE * args[3]; buf = kzalloc(bufsize, GFP_KERNEL); if (buf == NULL) return -ENOMEM; diff --git a/include/linux/ide.h b/include/linux/ide.h index 4667ec8aeebb..4444b0884e5d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -126,7 +126,7 @@ struct ide_io_ports { #define PARTN_BITS 6 /* number of minor dev bits for partitions */ #define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */ #define SECTOR_SIZE 512 -#define SECTOR_WORDS (SECTOR_SIZE / 4) /* number of 32bit words per sector */ + #define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t))) /* -- GitLab From af5dfe8cf07b6f4fbd6b7d8ff1aeda718fdd0166 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:28 +0200 Subject: [PATCH 3562/6244] cmd640: add __set_prefetch_mode() Factor out the common code from check_prefetch() and set_prefetch_mode() to __set_prefetch_mode(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/cmd640.c | 42 +++++++++++++++++++--------------------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index 5b756757e049..7f39cdb41410 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -374,6 +374,21 @@ static void cmd640_dump_regs(void) } #endif +static void __set_prefetch_mode(ide_drive_t *drive, int mode) +{ + if (mode) { /* want prefetch on? */ +#if CMD640_PREFETCH_MASKS + drive->no_unmask = 1; + drive->unmask = 0; +#endif + drive->no_io_32bit = 0; + } else { + drive->no_unmask = 0; + drive->no_io_32bit = 1; + drive->io_32bit = 0; + } +} + #ifndef CONFIG_BLK_DEV_CMD640_ENHANCED /* * Check whether prefetch is on for a drive, @@ -383,19 +398,10 @@ static void __init check_prefetch(ide_drive_t *drive, unsigned int index) { u8 b = get_cmd640_reg(prefetch_regs[index]); - if (b & prefetch_masks[index]) { /* is prefetch off? */ - drive->no_unmask = 0; - drive->no_io_32bit = 1; - drive->io_32bit = 0; - } else { -#if CMD640_PREFETCH_MASKS - drive->no_unmask = 1; - drive->unmask = 0; -#endif - drive->no_io_32bit = 0; - } + __set_prefetch_mode(drive, (b & prefetch_masks[index]) ? 0 : 1); } #else + /* * Sets prefetch mode for a drive. */ @@ -407,19 +413,11 @@ static void set_prefetch_mode(ide_drive_t *drive, unsigned int index, int mode) spin_lock_irqsave(&cmd640_lock, flags); b = __get_cmd640_reg(reg); - if (mode) { /* want prefetch on? */ -#if CMD640_PREFETCH_MASKS - drive->no_unmask = 1; - drive->unmask = 0; -#endif - drive->no_io_32bit = 0; + __set_prefetch_mode(drive, mode); + if (mode) b &= ~prefetch_masks[index]; /* enable prefetch */ - } else { - drive->no_unmask = 0; - drive->no_io_32bit = 1; - drive->io_32bit = 0; + else b |= prefetch_masks[index]; /* disable prefetch */ - } __put_cmd640_reg(reg, b); spin_unlock_irqrestore(&cmd640_lock, flags); } -- GitLab From ebc6be520673f65aef188abde43972f9cd2162e9 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:29 +0200 Subject: [PATCH 3563/6244] ide: remove read-only ->atapi_overlap field from ide_drive_t Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 1 - include/linux/ide.h | 1 - 2 files changed, 2 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index eb64e942f58b..5b3bfc78dcdd 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -585,7 +585,6 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device return ide_get_identity_ioctl(drive, cmd, arg); case HDIO_GET_NICE: return put_user(drive->dsc_overlap << IDE_NICE_DSC_OVERLAP | - drive->atapi_overlap << IDE_NICE_ATAPI_OVERLAP | drive->nice1 << IDE_NICE_1, (long __user *) arg); #ifdef CONFIG_IDE_TASK_IOCTL diff --git a/include/linux/ide.h b/include/linux/ide.h index 4444b0884e5d..9cb935f2e7ce 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -415,7 +415,6 @@ struct ide_drive_s { unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */ unsigned no_unmask : 1; /* disallow setting unmask bit */ unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */ - unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */ unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ unsigned nodma : 1; /* disallow DMA */ unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ -- GitLab From 02d599a365d04658bc9ea71762ed17c895079927 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:29 +0200 Subject: [PATCH 3564/6244] ide: remove ->supports_dsc_overlap field from ide_driver_t * Use drive->media and drive->scsi to check if ->dsc_overlap can be set by HDIO_SET_NICE ioctl in generic_ide_ioctl(). * Remove unused ->supports_dsc_overlap field from ide_driver_t. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 1 - drivers/ide/ide-disk.c | 1 - drivers/ide/ide-floppy.c | 1 - drivers/ide/ide-tape.c | 1 - drivers/ide/ide.c | 11 +++++------ drivers/scsi/ide-scsi.c | 1 - include/linux/ide.h | 1 - 7 files changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 1f5652326489..7ea90de55058 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1969,7 +1969,6 @@ static ide_driver_t ide_cdrom_driver = { .remove = ide_cd_remove, .version = IDECD_VERSION, .media = ide_cdrom, - .supports_dsc_overlap = 1, .do_request = ide_cd_do_request, .end_request = ide_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 474070c1ddb6..08f47cb13425 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -980,7 +980,6 @@ static ide_driver_t idedisk_driver = { .shutdown = ide_device_shutdown, .version = IDEDISK_VERSION, .media = ide_disk, - .supports_dsc_overlap = 0, .do_request = ide_do_rw_disk, .end_request = ide_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 673644fdb6f2..de8d42b3f698 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1130,7 +1130,6 @@ static ide_driver_t idefloppy_driver = { .remove = ide_floppy_remove, .version = IDEFLOPPY_VERSION, .media = ide_floppy, - .supports_dsc_overlap = 0, .do_request = idefloppy_do_request, .end_request = idefloppy_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 7037accb0589..1fc1c2a6888f 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2607,7 +2607,6 @@ static ide_driver_t idetape_driver = { .remove = ide_tape_remove, .version = IDETAPE_VERSION, .media = ide_tape, - .supports_dsc_overlap = 1, .do_request = idetape_do_request, .end_request = idetape_end_request, .error = __ide_error, diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 5b3bfc78dcdd..4d0c661e78a5 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -562,7 +562,6 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device unsigned int cmd, unsigned long arg) { unsigned long flags; - ide_driver_t *drv; int err = 0, (*getfunc)(ide_drive_t *), (*setfunc)(ide_drive_t *, int); switch (cmd) { @@ -612,12 +611,12 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device if (!capable(CAP_SYS_ADMIN)) return -EACCES; if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1)))) return -EPERM; - drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; - drv = *(ide_driver_t **)bdev->bd_disk->private_data; - if (drive->dsc_overlap && !drv->supports_dsc_overlap) { - drive->dsc_overlap = 0; + if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && + (drive->media == ide_disk || + drive->media == ide_floppy || + drive->scsi)) return -EPERM; - } + drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; drive->nice1 = (arg >> IDE_NICE_1) & 1; return 0; case HDIO_DRIVE_RESET: diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 65cf84b222c5..a2d003c5e85f 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -522,7 +522,6 @@ static ide_driver_t idescsi_driver = { .remove = ide_scsi_remove, .version = IDESCSI_VERSION, .media = ide_scsi, - .supports_dsc_overlap = 0, .do_request = idescsi_do_request, .end_request = idescsi_end_request, .error = idescsi_atapi_error, diff --git a/include/linux/ide.h b/include/linux/ide.h index 9cb935f2e7ce..e5622bb5a4a1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -912,7 +912,6 @@ enum { struct ide_driver_s { const char *version; u8 media; - unsigned supports_dsc_overlap : 1; ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); int (*end_request)(ide_drive_t *, int, int); ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); -- GitLab From 9fa295e12d490fd571c614b221defaa9212c20dc Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:29 +0200 Subject: [PATCH 3565/6244] ide: factor out HDIO_*_NICE ioctl handling to ide_*_nice_ioctl() Factor out HDIO_{GET,SET}_NICE ioctl handling from generic_ide_ioctl() to ide_{get,set}_nice_ioctl(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 40 ++++++++++++++++++++++++++-------------- 1 file changed, 26 insertions(+), 14 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 4d0c661e78a5..12618d2aed2c 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -558,6 +558,28 @@ out: return rc; } +static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg) +{ + return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) | + (drive->nice1 << IDE_NICE_1), (long __user *)arg); +} + +static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) +{ + if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1)))) + return -EPERM; + + if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && + (drive->media == ide_disk || drive->media == ide_floppy || + drive->scsi)) + return -EPERM; + + drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; + drive->nice1 = (arg >> IDE_NICE_1) & 1; + + return 0; +} + int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, unsigned int cmd, unsigned long arg) { @@ -583,9 +605,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device return -EINVAL; return ide_get_identity_ioctl(drive, cmd, arg); case HDIO_GET_NICE: - return put_user(drive->dsc_overlap << IDE_NICE_DSC_OVERLAP | - drive->nice1 << IDE_NICE_1, - (long __user *) arg); + return ide_get_nice_ioctl(drive, arg); #ifdef CONFIG_IDE_TASK_IOCTL case HDIO_DRIVE_TASKFILE: if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) @@ -608,17 +628,9 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device return -EACCES; return ide_task_ioctl(drive, cmd, arg); case HDIO_SET_NICE: - if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1)))) - return -EPERM; - if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && - (drive->media == ide_disk || - drive->media == ide_floppy || - drive->scsi)) - return -EPERM; - drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; - drive->nice1 = (arg >> IDE_NICE_1) & 1; - return 0; + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return ide_set_nice_ioctl(drive, arg); case HDIO_DRIVE_RESET: if (!capable(CAP_SYS_ADMIN)) return -EACCES; -- GitLab From 5d5870f0a26e2304c4a82592870c5bc88017f7c9 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:29 +0200 Subject: [PATCH 3566/6244] ide: ide_dev_has_iordy() -> ata_id_has_iordy() * Remove (id[ATA_ID_FIELD_VALID] & 2) check from ide_dev_has_iordy() (it is for validity of words 64-70, IORDY is in word 49). * ide_dev_has_iordy() -> ata_id_has_iordy() Cc: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/sl82c105.c | 2 +- include/linux/ide.h | 5 ----- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 61a006cb4746..8cc4e137c608 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -61,7 +61,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio) if (cmd_off == 0) cmd_off = 1; - if (pio > 2 || ide_dev_has_iordy(drive->id)) + if (pio > 2 || ata_id_has_iordy(drive->id)) iordy = 0x40; return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy; diff --git a/include/linux/ide.h b/include/linux/ide.h index e5622bb5a4a1..27829c13bef7 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1382,11 +1382,6 @@ const char *ide_xfer_verbose(u8 mode); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); -static inline int ide_dev_has_iordy(u16 *id) -{ - return ((id[ATA_ID_FIELD_VALID] & 2) && ata_id_has_iordy(id)) ? 1 : 0; -} - static inline int ide_dev_is_sata(u16 *id) { /* -- GitLab From 367d7e78dd48cf6ad35182a99d97abb5486e040e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:30 +0200 Subject: [PATCH 3567/6244] ide: ide_dev_is_sata() -> ata_id_is_sata() * Use optimized ATA version check from Sergei in ata_id_is_sata(). * ide_dev_is_sata() -> ata_id_is_sata() Cc: Jeff Garzik Cc: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 2 +- drivers/ide/pci/hpt366.c | 4 ++-- include/linux/ata.h | 10 +++++++++- include/linux/ide.h | 13 ------------- 4 files changed, 12 insertions(+), 17 deletions(-) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 6256c2df62cc..0a2fd3b37ac4 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -630,7 +630,7 @@ u8 eighty_ninty_three (ide_drive_t *drive) printk(KERN_DEBUG "%s: skipping word 93 validity check\n", drive->name); - if (ide_dev_is_sata(id) && !ivb) + if (ata_id_is_sata(id) && !ivb) return 1; if (hwif->cbl != ATA_CBL_PATA80 && !ivb) diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index d706eb6b8acd..9056e3acc78b 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -654,7 +654,7 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive) case HPT372A: case HPT372N: case HPT374 : - if (ide_dev_is_sata(drive->id)) + if (ata_id_is_sata(drive->id)) mask &= ~0x0e; /* Fall thru */ default: @@ -674,7 +674,7 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive) case HPT372A: case HPT372N: case HPT374 : - if (ide_dev_is_sata(drive->id)) + if (ata_id_is_sata(drive->id)) return 0x00; /* Fall thru */ default: diff --git a/include/linux/ata.h b/include/linux/ata.h index be00973d1a8c..d28aad991c75 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -645,7 +645,15 @@ static inline unsigned int ata_id_major_version(const u16 *id) static inline int ata_id_is_sata(const u16 *id) { - return ata_id_major_version(id) >= 5 && id[ATA_ID_HW_CONFIG] == 0; + /* + * See if word 93 is 0 AND drive is at least ATA-5 compatible + * verifying that word 80 by casting it to a signed type -- + * this trick allows us to filter out the reserved values of + * 0x0000 and 0xffff along with the earlier ATA revisions... + */ + if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020) + return 1; + return 0; } static inline int ata_id_has_tpm(const u16 *id) diff --git a/include/linux/ide.h b/include/linux/ide.h index 27829c13bef7..87b5b5d39539 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1382,19 +1382,6 @@ const char *ide_xfer_verbose(u8 mode); extern void ide_toggle_bounce(ide_drive_t *drive, int on); extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); -static inline int ide_dev_is_sata(u16 *id) -{ - /* - * See if word 93 is 0 AND drive is at least ATA-5 compatible - * verifying that word 80 by casting it to a signed type -- - * this trick allows us to filter out the reserved values of - * 0x0000 and 0xffff along with the earlier ATA revisions... - */ - if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020) - return 1; - return 0; -} - u64 ide_get_lba_addr(struct ide_taskfile *, int); u8 ide_dump_status(ide_drive_t *, const char *, u8); -- GitLab From 942dcd85bf8edf38cdc3745306ca250684d99a61 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:30 +0200 Subject: [PATCH 3568/6244] ide: idedisk_supports_lba48() -> ata_id_lba48_enabled() * Add ata_id_lba48_enabled() inline helper to . * idedisk_supports_lba48() -> ata_id_lba48_enabled() The latter one also checks validity of words 83 & 86. Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 21 ++++++--------------- include/linux/ata.h | 9 +++++++++ 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 08f47cb13425..8f49bc0ecbf8 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -383,16 +383,6 @@ static unsigned long long sectors_to_MB(unsigned long long n) return n; } -/* - * The same here. - */ -static inline int idedisk_supports_lba48(const u16 *id) -{ - return (id[ATA_ID_COMMAND_SET_2] & 0x0400) && - (id[ATA_ID_CFS_ENABLE_2] & 0x0400) && - ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); -} - /* * Some disks report total number of sectors instead of * maximum sector address. We list them here. @@ -407,7 +397,7 @@ static const struct drive_list_entry hpa_list[] = { static void idedisk_check_hpa(ide_drive_t *drive) { unsigned long long capacity, set_max; - int lba48 = idedisk_supports_lba48(drive->id); + int lba48 = ata_id_lba48_enabled(drive->id); capacity = drive->capacity64; @@ -450,7 +440,7 @@ static void init_idedisk_capacity(ide_drive_t *drive) */ int hpa = ata_id_hpa_enabled(id); - if (idedisk_supports_lba48(id)) { + if (ata_id_lba48_enabled(id)) { /* drive speaks 48-bit LBA */ drive->select.b.lba = 1; drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); @@ -754,9 +744,11 @@ static int set_lba_addressing(ide_drive_t *drive, int arg) if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) return 0; - if (!idedisk_supports_lba48(drive->id)) + if (ata_id_lba48_enabled(drive->id) == 0) return -EIO; + drive->addressing = arg; + return 0; } @@ -853,8 +845,7 @@ static void idedisk_setup(ide_drive_t *drive) capacity = idedisk_capacity(drive); if (!drive->forced_geom) { - - if (idedisk_supports_lba48(drive->id)) { + if (ata_id_lba48_enabled(drive->id)) { /* compatibility */ drive->bios_sect = 63; drive->bios_head = 255; diff --git a/include/linux/ata.h b/include/linux/ata.h index d28aad991c75..8162257b474f 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -574,6 +574,15 @@ static inline int ata_id_has_lba48(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 10); } +static inline int ata_id_lba48_enabled(const u16 *id) +{ + if (ata_id_has_lba48(id) == 0) + return 0; + if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) + return 0; + return id[ATA_ID_CFS_ENABLE_2] & (1 << 10); +} + static inline int ata_id_hpa_enabled(const u16 *id) { /* Yes children, word 83 valid bits cover word 82 data */ -- GitLab From 1a4e4d4d2cceb72be70526a485914abd638c7de1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:30 +0200 Subject: [PATCH 3569/6244] ide: check only for CACHE FLUSH command support in ide_id_has_flush_cache() All devices supporting CACHE FLUSH EXT command should also support CACHE FLUSH command so it is sufficient to check only for CACHE FLUSH in ide_id_has_flush_cache(). Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/ide.h b/include/linux/ide.h index 87b5b5d39539..6e22cd20dd8b 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1453,8 +1453,8 @@ extern struct mutex ide_cfg_mtx; extern struct bus_type ide_bus_type; extern struct class *ide_port_class; -/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */ -#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x3000) +/* check if CACHE FLUSH command is supported (as defined in ATA-6) */ +#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x1000) /* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ #define ide_id_has_flush_cache_ext(id) \ -- GitLab From 4b58f17d7c45a8e5f4acda641bec388398b9c0fa Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:30 +0200 Subject: [PATCH 3570/6244] ide: ide_id_has_flush_cache() -> ata_id_flush_enabled() * Add ata_id_flush_enabled() inline helper to . * ide_id_has_flush_cache() -> ata_id_flush_enabled() The latter one also checks if the command is marked as supported in word 83 and validity of words 83 & 86. Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 6 +++--- drivers/ide/ide-io.c | 2 +- include/linux/ata.h | 9 +++++++++ include/linux/ide.h | 3 --- 4 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 8f49bc0ecbf8..7b24dff17460 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -651,7 +651,7 @@ static void update_ordered(ide_drive_t *drive) * not available so we don't need to recheck that. */ capacity = idedisk_capacity(drive); - barrier = ide_id_has_flush_cache(id) && !drive->noflush && + barrier = ata_id_flush_enabled(id) && !drive->noflush && (drive->addressing == 0 || capacity <= (1ULL << 28) || ide_id_has_flush_cache_ext(id)); @@ -678,7 +678,7 @@ static int set_wcache(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if (ide_id_has_flush_cache(drive->id)) { + if (ata_id_flush_enabled(drive->id)) { memset(&args, 0, sizeof(ide_task_t)); args.tf.feature = arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF; @@ -886,7 +886,7 @@ static void idedisk_setup(ide_drive_t *drive) static void ide_cacheflush_p(ide_drive_t *drive) { - if (!drive->wcache || !ide_id_has_flush_cache(drive->id)) + if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) return; if (do_idedisk_flushcache(drive)) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 99e0bbca3ace..c1596178fcae 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -184,7 +184,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * if (drive->media != ide_disk) break; /* Not supported? Switch to next step now. */ - if (!drive->wcache || !ide_id_has_flush_cache(drive->id)) { + if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) { ide_complete_power_step(drive, rq, 0, 0); return ide_stopped; } diff --git a/include/linux/ata.h b/include/linux/ata.h index 8162257b474f..921cf0fc337f 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -558,6 +558,15 @@ static inline int ata_id_has_flush(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 12); } +static inline int ata_id_flush_enabled(const u16 *id) +{ + if (ata_id_has_flush(id) == 0) + return 0; + if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) + return 0; + return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); +} + static inline int ata_id_has_flush_ext(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) diff --git a/include/linux/ide.h b/include/linux/ide.h index 6e22cd20dd8b..d2213d7cc4cb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1453,9 +1453,6 @@ extern struct mutex ide_cfg_mtx; extern struct bus_type ide_bus_type; extern struct class *ide_port_class; -/* check if CACHE FLUSH command is supported (as defined in ATA-6) */ -#define ide_id_has_flush_cache(id) ((id)[ATA_ID_CFS_ENABLE_2] & 0x1000) - /* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ #define ide_id_has_flush_cache_ext(id) \ (((id)[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400) -- GitLab From ff2779b568e70822e0ef2cc7afeeefbe7c607652 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:31 +0200 Subject: [PATCH 3571/6244] ide: ide_id_has_flush_cache_ext() -> ata_id_flush_ext_enabled() * Add ata_id_flush_ext_enabled() inline helper to . * ide_id_has_flush_cache_ext() -> ata_id_flush_ext_enabled() The latter one also checks if the command is marked as supported in word 83 and validity of words 83 & 86. Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 6 +++--- drivers/ide/ide-io.c | 2 +- include/linux/ata.h | 13 +++++++++++++ include/linux/ide.h | 4 ---- 4 files changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 7b24dff17460..587d5aac7d5d 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -576,7 +576,7 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) BUG_ON(task == NULL); memset(task, 0, sizeof(*task)); - if (ide_id_has_flush_cache_ext(drive->id) && + if (ata_id_flush_ext_enabled(drive->id) && (drive->capacity64 >= (1UL << 28))) task->tf.command = ATA_CMD_FLUSH_EXT; else @@ -653,7 +653,7 @@ static void update_ordered(ide_drive_t *drive) capacity = idedisk_capacity(drive); barrier = ata_id_flush_enabled(id) && !drive->noflush && (drive->addressing == 0 || capacity <= (1ULL << 28) || - ide_id_has_flush_cache_ext(id)); + ata_id_flush_ext_enabled(id)); printk(KERN_INFO "%s: cache flushes %ssupported\n", drive->name, barrier ? "" : "not "); @@ -699,7 +699,7 @@ static int do_idedisk_flushcache(ide_drive_t *drive) ide_task_t args; memset(&args, 0, sizeof(ide_task_t)); - if (ide_id_has_flush_cache_ext(drive->id)) + if (ata_id_flush_ext_enabled(drive->id)) args.tf.command = ATA_CMD_FLUSH_EXT; else args.tf.command = ATA_CMD_FLUSH; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index c1596178fcae..ec6664b0d3a9 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -188,7 +188,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * ide_complete_power_step(drive, rq, 0, 0); return ide_stopped; } - if (ide_id_has_flush_cache_ext(drive->id)) + if (ata_id_flush_ext_enabled(drive->id)) args->tf.command = ATA_CMD_FLUSH_EXT; else args->tf.command = ATA_CMD_FLUSH; diff --git a/include/linux/ata.h b/include/linux/ata.h index 921cf0fc337f..81d9adeb819e 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -574,6 +574,19 @@ static inline int ata_id_has_flush_ext(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 13); } +static inline int ata_id_flush_ext_enabled(const u16 *id) +{ + if (ata_id_has_flush_ext(id) == 0) + return 0; + if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) + return 0; + /* + * some Maxtor disks have bit 13 defined incorrectly + * so check bit 10 too + */ + return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; +} + static inline int ata_id_has_lba48(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) diff --git a/include/linux/ide.h b/include/linux/ide.h index d2213d7cc4cb..432eb98f7fe7 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1453,10 +1453,6 @@ extern struct mutex ide_cfg_mtx; extern struct bus_type ide_bus_type; extern struct class *ide_port_class; -/* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ -#define ide_id_has_flush_cache_ext(id) \ - (((id)[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400) - static inline void ide_dump_identify(u8 *id) { print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0); -- GitLab From 718c72e83da295efc9c8625b6f380ef10352d955 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:31 +0200 Subject: [PATCH 3572/6244] ide: use ata_id_is_cfa() Use ata_id_is_cfa() in do_identify() instead of open-coding check for CompactFlash devices (the inline helper also takes care of detecting CFs advertising themselves as ATA disks). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index be121ffcc1dc..e526f4967148 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -116,7 +116,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) ide_hwif_t *hwif = HWIF(drive); u16 *id = drive->id; char *m = (char *)&id[ATA_ID_PROD]; - int bswap = 1; + int bswap = 1, is_cfa; /* read 512 bytes of id info */ hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE); @@ -212,17 +212,15 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) * Not an ATAPI device: looks like a "regular" hard disk */ - /* - * 0x848a = CompactFlash device - * These are *not* removable in Linux definition of the term - */ - if (id[ATA_ID_CONFIG] != 0x848a && (id[ATA_ID_CONFIG] & (1 << 7))) + is_cfa = ata_id_is_cfa(id); + + /* CF devices are *not* removable in Linux definition of the term */ + if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7))) drive->removable = 1; drive->media = ide_disk; - printk(KERN_CONT "%s DISK drive\n", - (id[ATA_ID_CONFIG] == 0x848a) ? "CFA" : "ATA"); + printk(KERN_CONT "%s DISK drive\n", is_cfa ? "CFA" : "ATA"); return; -- GitLab From 93734a234447a3c091f76d76f7351af9d4dde518 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:31 +0200 Subject: [PATCH 3573/6244] ide: ide_id_to_hd_driveid() -> ata_id_to_hd_driveid() Rename ide_id_to_hd_driveid() to ata_id_to_hd_driveid() and move it to . Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 22 +--------------------- include/linux/ata.h | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 21 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 12618d2aed2c..f42de5fe9bc2 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -509,26 +509,6 @@ static int generic_drive_reset(ide_drive_t *drive) return ret; } -static inline void ide_id_to_hd_driveid(u16 *id) -{ -#ifdef __BIG_ENDIAN - /* accessed in struct hd_driveid as 8-bit values */ - id[ATA_ID_MAX_MULTSECT] = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]); - id[ATA_ID_CAPABILITY] = __cpu_to_le16(id[ATA_ID_CAPABILITY]); - id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]); - id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]); - id[ATA_ID_MULTSECT] = __cpu_to_le16(id[ATA_ID_MULTSECT]); - - /* as 32-bit values */ - *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY); - *(u32 *)&id[ATA_ID_SPG] = ata_id_u32(id, ATA_ID_SPG); - - /* as 64-bit value */ - *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] = - ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); -#endif -} - static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, unsigned long arg) { @@ -548,7 +528,7 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, } memcpy(id, drive->id, size); - ide_id_to_hd_driveid(id); + ata_id_to_hd_driveid(id); if (copy_to_user((void __user *)arg, id, size)) rc = -EFAULT; diff --git a/include/linux/ata.h b/include/linux/ata.h index 81d9adeb819e..4c3f50070033 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -30,6 +30,7 @@ #define __LINUX_ATA_H__ #include +#include /* defines only for the constants which don't work well as enums */ #define ATA_DMA_BOUNDARY 0xffffUL @@ -781,6 +782,26 @@ static inline int atapi_id_dmadir(const u16 *dev_id) return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); } +static inline void ata_id_to_hd_driveid(u16 *id) +{ +#ifdef __BIG_ENDIAN + /* accessed in struct hd_driveid as 8-bit values */ + id[ATA_ID_MAX_MULTSECT] = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]); + id[ATA_ID_CAPABILITY] = __cpu_to_le16(id[ATA_ID_CAPABILITY]); + id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]); + id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]); + id[ATA_ID_MULTSECT] = __cpu_to_le16(id[ATA_ID_MULTSECT]); + + /* as 32-bit values */ + *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY); + *(u32 *)&id[ATA_ID_SPG] = ata_id_u32(id, ATA_ID_SPG); + + /* as 64-bit value */ + *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] = + ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); +#endif +} + static inline int is_multi_taskfile(struct ata_taskfile *tf) { return (tf->command == ATA_CMD_READ_MULTI) || -- GitLab From a02227c9774b3bff08c7f557d06247e0a03ac435 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:31 +0200 Subject: [PATCH 3574/6244] ide: lba_capacity_is_ok() -> ata_id_is_lba_capacity_ok() Rename lba_capacity_is_ok() to ata_id_is_lba_capacity_ok() and move it to (remove needless parens while at it). Cc: Jeff Garzik Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 52 +----------------------------------------- include/linux/ata.h | 50 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 51 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 587d5aac7d5d..43025c9d8355 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -88,56 +88,6 @@ static void ide_disk_put(struct ide_disk_obj *idkp) mutex_unlock(&idedisk_ref_mutex); } -/* - * lba_capacity_is_ok() performs a sanity check on the claimed "lba_capacity" - * value for this drive (from its reported identification information). - * - * Returns: 1 if lba_capacity looks sensible - * 0 otherwise - * - * It is called only once for each drive. - */ -static int lba_capacity_is_ok(u16 *id) -{ - unsigned long lba_sects, chs_sects, head, tail; - - /* No non-LBA info .. so valid! */ - if (id[ATA_ID_CYLS] == 0) - return 1; - - lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); - - /* - * The ATA spec tells large drives to return - * C/H/S = 16383/16/63 independent of their size. - * Some drives can be jumpered to use 15 heads instead of 16. - * Some drives can be jumpered to use 4092 cyls instead of 16383. - */ - if ((id[ATA_ID_CYLS] == 16383 || - (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && - id[ATA_ID_SECTORS] == 63 && - (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && - (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) - return 1; - - chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; - - /* perform a rough sanity check on lba_sects: within 10% is OK */ - if ((lba_sects - chs_sects) < chs_sects/10) - return 1; - - /* some drives have the word order reversed */ - head = ((lba_sects >> 16) & 0xffff); - tail = (lba_sects & 0xffff); - lba_sects = (head | (tail << 16)); - if ((lba_sects - chs_sects) < chs_sects/10) { - *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); - return 1; /* lba_capacity is (now) good */ - } - - return 0; /* lba_capacity value may be bad */ -} - static const u8 ide_rw_cmds[] = { ATA_CMD_READ_MULTI, ATA_CMD_WRITE_MULTI, @@ -446,7 +396,7 @@ static void init_idedisk_capacity(ide_drive_t *drive) drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); if (hpa) idedisk_check_hpa(drive); - } else if (ata_id_has_lba(id) && lba_capacity_is_ok(id)) { + } else if (ata_id_has_lba(id) && ata_id_is_lba_capacity_ok(id)) { /* drive speaks 28-bit LBA */ drive->select.b.lba = 1; drive->capacity64 = ata_id_u32(id, ATA_ID_LBA_CAPACITY); diff --git a/include/linux/ata.h b/include/linux/ata.h index 4c3f50070033..a53318b8cbd0 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -782,6 +782,56 @@ static inline int atapi_id_dmadir(const u16 *dev_id) return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); } +/* + * ata_id_is_lba_capacity_ok() performs a sanity check on + * the claimed LBA capacity value for the device. + * + * Returns 1 if LBA capacity looks sensible, 0 otherwise. + * + * It is called only once for each device. + */ +static inline int ata_id_is_lba_capacity_ok(u16 *id) +{ + unsigned long lba_sects, chs_sects, head, tail; + + /* No non-LBA info .. so valid! */ + if (id[ATA_ID_CYLS] == 0) + return 1; + + lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); + + /* + * The ATA spec tells large drives to return + * C/H/S = 16383/16/63 independent of their size. + * Some drives can be jumpered to use 15 heads instead of 16. + * Some drives can be jumpered to use 4092 cyls instead of 16383. + */ + if ((id[ATA_ID_CYLS] == 16383 || + (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && + id[ATA_ID_SECTORS] == 63 && + (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && + (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) + return 1; + + chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; + + /* perform a rough sanity check on lba_sects: within 10% is OK */ + if (lba_sects - chs_sects < chs_sects/10) + return 1; + + /* some drives have the word order reversed */ + head = (lba_sects >> 16) & 0xffff; + tail = lba_sects & 0xffff; + lba_sects = head | (tail << 16); + + if (lba_sects - chs_sects < chs_sects/10) { + *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); + return 1; /* LBA capacity is (now) good */ + } + + return 0; /* LBA capacity value may be bad */ +} + static inline void ata_id_to_hd_driveid(u16 *id) { #ifdef __BIG_ENDIAN -- GitLab From 1785192b5310ee25165768f5bb80f13146788e3e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:32 +0200 Subject: [PATCH 3575/6244] hpt366: add hpt3xx_disable_fast_irq() helper * Factor out disabling of "fast interrupt" prediction from init_hwif_hpt366() to hpt3xx_disable_fast_irq() helper. * Use hpt3xx_disable_fast_irq() in ->init_chipset instead of ->init_hwif method. This is a preparation for adding proper PCI PM support. While at it: * Cache chip type in chip_type variable in hpt3xx_disable_fast_irq(). There should be no functional changes caused by this patch. Cc: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/hpt366.c | 58 +++++++++++++++++++++++----------------- 1 file changed, 33 insertions(+), 25 deletions(-) diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 9056e3acc78b..ab6c217f104e 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -971,6 +971,36 @@ static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f return 1; } +static void __devinit hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr) +{ + struct ide_host *host = pci_get_drvdata(dev); + struct hpt_info *info = host->host_priv + (&dev->dev == host->dev[1]); + u8 chip_type = info->chip_type; + u8 new_mcr, old_mcr = 0; + + /* + * Disable the "fast interrupt" prediction. Don't hold off + * on interrupts. (== 0x01 despite what the docs say) + */ + pci_read_config_byte(dev, mcr_addr + 1, &old_mcr); + + if (chip_type >= HPT374) + new_mcr = old_mcr & ~0x07; + else if (chip_type >= HPT370) { + new_mcr = old_mcr; + new_mcr &= ~0x02; +#ifdef HPT_DELAY_INTERRUPT + new_mcr &= ~0x01; +#else + new_mcr |= 0x01; +#endif + } else /* HPT366 and HPT368 */ + new_mcr = old_mcr & ~0x80; + + if (new_mcr != old_mcr) + pci_write_config_byte(dev, mcr_addr + 1, new_mcr); +} + static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev) { unsigned long io_base = pci_resource_start(dev, 4); @@ -1208,9 +1238,11 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev) * NOTE: This register is only writeable via I/O space. */ if (chip_type == HPT371N && clock == ATA_CLOCK_66MHZ) - outb(inb(io_base + 0x9c) | 0x04, io_base + 0x9c); + hpt3xx_disable_fast_irq(dev, 0x50); + hpt3xx_disable_fast_irq(dev, 0x54); + return dev->irq; } @@ -1264,7 +1296,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) struct hpt_info *info = hpt3xx_get_info(hwif->dev); int serialize = HPT_SERIALIZE_IO; u8 chip_type = info->chip_type; - u8 new_mcr, old_mcr = 0; /* Cache the channel's MISC. control registers' offset */ hwif->select_data = hwif->channel ? 0x54 : 0x50; @@ -1287,29 +1318,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) /* Serialize access to this device if needed */ if (serialize && hwif->mate) hwif->serialized = hwif->mate->serialized = 1; - - /* - * Disable the "fast interrupt" prediction. Don't hold off - * on interrupts. (== 0x01 despite what the docs say) - */ - pci_read_config_byte(dev, hwif->select_data + 1, &old_mcr); - - if (info->chip_type >= HPT374) - new_mcr = old_mcr & ~0x07; - else if (info->chip_type >= HPT370) { - new_mcr = old_mcr; - new_mcr &= ~0x02; - -#ifdef HPT_DELAY_INTERRUPT - new_mcr &= ~0x01; -#else - new_mcr |= 0x01; -#endif - } else /* HPT366 and HPT368 */ - new_mcr = old_mcr & ~0x80; - - if (new_mcr != old_mcr) - pci_write_config_byte(dev, hwif->select_data + 1, new_mcr); } static int __devinit init_dma_hpt366(ide_hwif_t *hwif, -- GitLab From feb22b7f8e62b1b987a3a1dbad95af767a1df832 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:32 +0200 Subject: [PATCH 3576/6244] ide: add proper PCI PM support (v2) * Keep pointer to ->init_chipset method also in struct ide_host and set it in ide_host_alloc_all(). * Add ide_pci_suspend() and ide_pci_resume() helpers (default ->suspend and ->resume implementations). * ->init_chipset can no longer be marked __devinit. * Add proper PCI PM support to IDE PCI host drivers (rz1000.c and tc86c001.c are skipped for now since they need to be converted from using ->init_hwif to use ->init_chipset instead). v2: * Cleanup CONFIG_PM #ifdef-s per akpm's suggestion. Cc: Andrew Morton Cc: "Rafael J. Wysocki" Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 4 +++- drivers/ide/pci/aec62xx.c | 4 +++- drivers/ide/pci/alim15x3.c | 4 +++- drivers/ide/pci/amd74xx.c | 8 +++++--- drivers/ide/pci/atiixp.c | 2 ++ drivers/ide/pci/cmd64x.c | 4 +++- drivers/ide/pci/cs5520.c | 2 ++ drivers/ide/pci/cs5530.c | 4 +++- drivers/ide/pci/cs5535.c | 10 ++++++---- drivers/ide/pci/cy82c693.c | 4 +++- drivers/ide/pci/generic.c | 2 ++ drivers/ide/pci/hpt34x.c | 4 +++- drivers/ide/pci/hpt366.c | 8 +++++--- drivers/ide/pci/it8213.c | 2 ++ drivers/ide/pci/it821x.c | 6 ++++-- drivers/ide/pci/jmicron.c | 2 ++ drivers/ide/pci/ns87415.c | 2 ++ drivers/ide/pci/opti621.c | 2 ++ drivers/ide/pci/pdc202xx_new.c | 10 ++++++---- drivers/ide/pci/pdc202xx_old.c | 4 +++- drivers/ide/pci/piix.c | 4 +++- drivers/ide/pci/serverworks.c | 4 +++- drivers/ide/pci/siimage.c | 4 +++- drivers/ide/pci/sis5513.c | 4 +++- drivers/ide/pci/sl82c105.c | 4 +++- drivers/ide/pci/slc90e66.c | 2 ++ drivers/ide/pci/triflex.c | 2 ++ drivers/ide/pci/via82cxxx.c | 6 ++++-- drivers/ide/setup-pci.c | 33 +++++++++++++++++++++++++++++++++ include/linux/ide.h | 10 ++++++++++ 30 files changed, 130 insertions(+), 31 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index e526f4967148..06575a12b635 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1586,8 +1586,10 @@ struct ide_host *ide_host_alloc_all(const struct ide_port_info *d, if (hws[0]) host->dev[0] = hws[0]->dev; - if (d) + if (d) { + host->init_chipset = d->init_chipset; host->host_flags = d->host_flags; + } return host; } diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index f65828da65d0..e7475ba559c7 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -139,7 +139,7 @@ static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio) drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0); } -static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev) +static unsigned int init_chipset_aec62xx(struct pci_dev *dev) { /* These are necessary to get AEC6280 Macintosh cards to work */ if ((dev->device == PCI_DEVICE_ID_ARTOP_ATP865) || @@ -307,6 +307,8 @@ static struct pci_driver driver = { .id_table = aec62xx_pci_tbl, .probe = aec62xx_init_one, .remove = __devexit_p(aec62xx_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init aec62xx_ide_init(void) diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index ef41e2677a56..053c75263918 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -213,7 +213,7 @@ static int ali15x3_dma_setup(ide_drive_t *drive) * appropriate also sets up the 1533 southbridge. */ -static unsigned int __devinit init_chipset_ali15x3(struct pci_dev *dev) +static unsigned int init_chipset_ali15x3(struct pci_dev *dev) { unsigned long flags; u8 tmpbyte; @@ -581,6 +581,8 @@ static struct pci_driver driver = { .id_table = alim15x3_pci_tbl, .probe = alim15x3_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init ali15x3_ide_init(void) diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 1e66a960a96a..824471f91bf5 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -112,13 +112,13 @@ static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio) amd_set_drive(drive, XFER_PIO_0 + pio); } -static void __devinit amd7409_cable_detect(struct pci_dev *dev) +static void amd7409_cable_detect(struct pci_dev *dev) { /* no host side cable detection */ amd_80w = 0x03; } -static void __devinit amd7411_cable_detect(struct pci_dev *dev) +static void amd7411_cable_detect(struct pci_dev *dev) { int i; u32 u = 0; @@ -140,7 +140,7 @@ static void __devinit amd7411_cable_detect(struct pci_dev *dev) * The initialization callback. Initialize drive independent registers. */ -static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev) +static unsigned int init_chipset_amd74xx(struct pci_dev *dev) { u8 t = 0, offset = amd_offset(dev); @@ -324,6 +324,8 @@ static struct pci_driver driver = { .id_table = amd74xx_pci_tbl, .probe = amd74xx_probe, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init amd74xx_ide_init(void) diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 86e3120cb7c1..e4437034dd08 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -187,6 +187,8 @@ static struct pci_driver driver = { .id_table = atiixp_pci_tbl, .probe = atiixp_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init atiixp_ide_init(void) diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 13dfeab1d19f..456dee18b660 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -331,7 +331,7 @@ static int cmd646_1_dma_end(ide_drive_t *drive) return (dma_stat & 7) != 4; } -static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev) +static unsigned int init_chipset_cmd64x(struct pci_dev *dev) { u8 mrdmode = 0; @@ -510,6 +510,8 @@ static struct pci_driver driver = { .id_table = cmd64x_pci_tbl, .probe = cmd64x_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init cmd64x_ide_init(void) diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index 27163147896b..d6341f7c4144 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -149,6 +149,8 @@ static struct pci_driver driver = { .name = "Cyrix_IDE", .id_table = cs5520_pci_tbl, .probe = cs5520_init_one, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init cs5520_ide_init(void) diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index d60806bd7dba..da42fa7e9f97 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -134,7 +134,7 @@ static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode) * Initialize the cs5530 bridge for reliable IDE DMA operation. */ -static unsigned int __devinit init_chipset_cs5530(struct pci_dev *dev) +static unsigned int init_chipset_cs5530(struct pci_dev *dev) { struct pci_dev *master_0 = NULL, *cs5530_0 = NULL; @@ -272,6 +272,8 @@ static struct pci_driver driver = { .id_table = cs5530_pci_tbl, .probe = cs5530_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init cs5530_ide_init(void) diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 707d2e182552..1e5bc59ea2fb 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -193,10 +193,12 @@ static const struct pci_device_id cs5535_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, cs5535_pci_tbl); static struct pci_driver driver = { - .name = "CS5535_IDE", - .id_table = cs5535_pci_tbl, - .probe = cs5535_init_one, - .remove = ide_pci_remove, + .name = "CS5535_IDE", + .id_table = cs5535_pci_tbl, + .probe = cs5535_init_one, + .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init cs5535_ide_init(void) diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index e6d8ee88d56d..69820e9224d1 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -332,7 +332,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio) /* * this function is called during init and is used to setup the cy82c693 chip */ -static unsigned int __devinit init_chipset_cy82c693(struct pci_dev *dev) +static unsigned int init_chipset_cy82c693(struct pci_dev *dev) { if (PCI_FUNC(dev->devfn) != 1) return 0; @@ -448,6 +448,8 @@ static struct pci_driver driver = { .id_table = cy82c693_pci_tbl, .probe = cy82c693_init_one, .remove = __devexit_p(cy82c693_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init cy82c693_ide_init(void) diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c index bdc539868701..092b238cb250 100644 --- a/drivers/ide/pci/generic.c +++ b/drivers/ide/pci/generic.c @@ -171,6 +171,8 @@ static struct pci_driver driver = { .id_table = generic_pci_tbl, .probe = generic_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init generic_ide_init(void) diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index 4f624899f44a..644de29f8fe4 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -78,7 +78,7 @@ static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio) */ #define HPT34X_PCI_INIT_REG 0x80 -static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev) +static unsigned int init_chipset_hpt34x(struct pci_dev *dev) { int i = 0; unsigned long hpt34xIoBase = pci_resource_start(dev, 4); @@ -171,6 +171,8 @@ static struct pci_driver driver = { .id_table = hpt34x_pci_tbl, .probe = hpt34x_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init hpt34x_ide_init(void) diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index ab6c217f104e..a194022b6a61 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -943,7 +943,7 @@ static void hpt3xxn_rw_disk(ide_drive_t *drive, struct request *rq) * Perform a calibration cycle on the DPLL. * Returns 1 if this succeeds */ -static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high) +static int hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f_high) { u32 dpll = (f_high << 16) | f_low | 0x100; u8 scr2; @@ -971,7 +971,7 @@ static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f return 1; } -static void __devinit hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr) +static void hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr) { struct ide_host *host = pci_get_drvdata(dev); struct hpt_info *info = host->host_priv + (&dev->dev == host->dev[1]); @@ -1001,7 +1001,7 @@ static void __devinit hpt3xx_disable_fast_irq(struct pci_dev *dev, u8 mcr_addr) pci_write_config_byte(dev, mcr_addr + 1, new_mcr); } -static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev) +static unsigned int init_chipset_hpt366(struct pci_dev *dev) { unsigned long io_base = pci_resource_start(dev, 4); struct hpt_info *info = hpt3xx_get_info(&dev->dev); @@ -1627,6 +1627,8 @@ static struct pci_driver driver = { .id_table = hpt366_pci_tbl, .probe = hpt366_init_one, .remove = __devexit_p(hpt366_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init hpt366_ide_init(void) diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index a0e058a2abfe..0954ccd08d6f 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -194,6 +194,8 @@ static struct pci_driver driver = { .id_table = it8213_pci_tbl, .probe = it8213_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init it8213_ide_init(void) diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 0fdea7e91a7a..46edd083b348 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -586,7 +586,7 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif) hwif->mwdma_mask = ATA_MWDMA2; } -static void __devinit it8212_disable_raid(struct pci_dev *dev) +static void it8212_disable_raid(struct pci_dev *dev) { /* Reset local CPU, and set BIOS not ready */ pci_write_config_byte(dev, 0x5E, 0x01); @@ -603,7 +603,7 @@ static void __devinit it8212_disable_raid(struct pci_dev *dev) pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); } -static unsigned int __devinit init_chipset_it821x(struct pci_dev *dev) +static unsigned int init_chipset_it821x(struct pci_dev *dev) { u8 conf; static char *mode[2] = { "pass through", "smart" }; @@ -685,6 +685,8 @@ static struct pci_driver driver = { .id_table = it821x_pci_tbl, .probe = it821x_init_one, .remove = __devexit_p(it821x_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init it821x_ide_init(void) diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c index 4010b4a8dfbb..acd647110648 100644 --- a/drivers/ide/pci/jmicron.c +++ b/drivers/ide/pci/jmicron.c @@ -154,6 +154,8 @@ static struct pci_driver driver = { .id_table = jmicron_pci_tbl, .probe = jmicron_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init jmicron_ide_init(void) diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index a482ade8e455..53bd645736d9 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -339,6 +339,8 @@ static struct pci_driver driver = { .id_table = ns87415_pci_tbl, .probe = ns87415_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init ns87415_ide_init(void) diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index fefac2c174b6..3de11ddcf863 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -225,6 +225,8 @@ static struct pci_driver driver = { .id_table = opti621_pci_tbl, .probe = opti621_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init opti621_ide_init(void) diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 73bd264fbf9f..9fc59962553b 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -226,7 +226,7 @@ static void pdcnew_reset(ide_drive_t *drive) * read_counter - Read the byte count registers * @dma_base: for the port address */ -static long __devinit read_counter(u32 dma_base) +static long read_counter(u32 dma_base) { u32 pri_dma_base = dma_base, sec_dma_base = dma_base + 0x08; u8 cnt0, cnt1, cnt2, cnt3; @@ -266,7 +266,7 @@ static long __devinit read_counter(u32 dma_base) * @dma_base: for the port address * E.g. 16949000 on 33 MHz PCI bus, i.e. half of the PCI clock. */ -static long __devinit detect_pll_input_clock(unsigned long dma_base) +static long detect_pll_input_clock(unsigned long dma_base) { struct timeval start_time, end_time; long start_count, end_count; @@ -309,7 +309,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base) } #ifdef CONFIG_PPC_PMAC -static void __devinit apple_kiwi_init(struct pci_dev *pdev) +static void apple_kiwi_init(struct pci_dev *pdev) { struct device_node *np = pci_device_to_OF_node(pdev); u8 conf; @@ -325,7 +325,7 @@ static void __devinit apple_kiwi_init(struct pci_dev *pdev) } #endif /* CONFIG_PPC_PMAC */ -static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev) +static unsigned int init_chipset_pdcnew(struct pci_dev *dev) { const char *name = DRV_NAME; unsigned long dma_base = pci_resource_start(dev, 4); @@ -566,6 +566,8 @@ static struct pci_driver driver = { .id_table = pdc202new_pci_tbl, .probe = pdc202new_init_one, .remove = __devexit_p(pdc202new_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init pdc202new_ide_init(void) diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 8f0acb956c6b..cb6d2a00c514 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -264,7 +264,7 @@ static void pdc202xx_dma_timeout(ide_drive_t *drive) ide_dma_timeout(drive); } -static unsigned int __devinit init_chipset_pdc202xx(struct pci_dev *dev) +static unsigned int init_chipset_pdc202xx(struct pci_dev *dev) { unsigned long dmabase = pci_resource_start(dev, 4); u8 udma_speed_flag = 0, primary_mode = 0, secondary_mode = 0; @@ -431,6 +431,8 @@ static struct pci_driver driver = { .id_table = pdc202xx_pci_tbl, .probe = pdc202xx_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init pdc202xx_ide_init(void) diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 13136dddb2b4..a06c03f8e295 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -204,7 +204,7 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed) * out to be nice and simple. */ -static unsigned int __devinit init_chipset_ich(struct pci_dev *dev) +static unsigned int init_chipset_ich(struct pci_dev *dev) { u32 extra = 0; @@ -449,6 +449,8 @@ static struct pci_driver driver = { .id_table = piix_pci_tbl, .probe = piix_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init piix_ide_init(void) diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 5f79d284ff82..3dff2aea317e 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -175,7 +175,7 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, 0x54, ultra_enable); } -static unsigned int __devinit init_chipset_svwks(struct pci_dev *dev) +static unsigned int init_chipset_svwks(struct pci_dev *dev) { unsigned int reg; u8 btr; @@ -448,6 +448,8 @@ static struct pci_driver driver = { .id_table = svwks_pci_tbl, .probe = svwks_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init svwks_ide_init(void) diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 874c8ca40ed6..174a873b4c64 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -463,7 +463,7 @@ static void sil_sata_pre_reset(ide_drive_t *drive) * to 133 MHz clocking if the system isn't already set up to do it. */ -static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev) +static unsigned int init_chipset_siimage(struct pci_dev *dev) { struct ide_host *host = pci_get_drvdata(dev); void __iomem *ioaddr = host->host_priv; @@ -834,6 +834,8 @@ static struct pci_driver driver = { .id_table = siimage_pci_tbl, .probe = siimage_init_one, .remove = __devexit_p(siimage_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init siimage_ide_init(void) diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 56bfb245f1fa..734dd41f1f67 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -447,7 +447,7 @@ static int __devinit sis_find_family(struct pci_dev *dev) return chipset_family; } -static unsigned int __devinit init_chipset_sis5513(struct pci_dev *dev) +static unsigned int init_chipset_sis5513(struct pci_dev *dev) { /* Make general config ops here 1/ tell IDE channels to operate in Compatibility mode only @@ -610,6 +610,8 @@ static struct pci_driver driver = { .id_table = sis5513_pci_tbl, .probe = sis5513_init_one, .remove = __devexit_p(sis5513_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init sis5513_ide_init(void) diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 8cc4e137c608..37a6b7bdc040 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -271,7 +271,7 @@ static u8 sl82c105_bridge_revision(struct pci_dev *dev) * channel 0 here at least, but channel 1 has to be enabled by * firmware or arch code. We still set both to 16 bits mode. */ -static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev) +static unsigned int init_chipset_sl82c105(struct pci_dev *dev) { u32 val; @@ -350,6 +350,8 @@ static struct pci_driver driver = { .id_table = sl82c105_pci_tbl, .probe = sl82c105_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init sl82c105_ide_init(void) diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index a31c6911442d..a9551a13ac57 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -159,6 +159,8 @@ static struct pci_driver driver = { .id_table = slc90e66_pci_tbl, .probe = slc90e66_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init slc90e66_ide_init(void) diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index c980a7f39052..be8715dcee05 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -119,6 +119,8 @@ static struct pci_driver driver = { .id_table = triflex_pci_tbl, .probe = triflex_init_one, .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init triflex_ide_init(void) diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index 9cb531dc905a..acacdaab69c2 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -215,7 +215,7 @@ static struct via_isa_bridge *via_config_find(struct pci_dev **isa) /* * Check and handle 80-wire cable presence */ -static void __devinit via_cable_detect(struct via82cxxx_dev *vdev, u32 u) +static void via_cable_detect(struct via82cxxx_dev *vdev, u32 u) { int i; @@ -267,7 +267,7 @@ static void __devinit via_cable_detect(struct via82cxxx_dev *vdev, u32 u) * and initialize its drive independent registers. */ -static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev) +static unsigned int init_chipset_via82cxxx(struct pci_dev *dev) { struct ide_host *host = pci_get_drvdata(dev); struct via82cxxx_dev *vdev = host->host_priv; @@ -492,6 +492,8 @@ static struct pci_driver driver = { .id_table = via_pci_tbl, .probe = via_init_one, .remove = __devexit_p(via_remove), + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, }; static int __init via_ide_init(void) diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index a8e9e8a69a52..9f1f9163a136 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -659,3 +659,36 @@ void ide_pci_remove(struct pci_dev *dev) pci_disable_device(dev); } EXPORT_SYMBOL_GPL(ide_pci_remove); + +#ifdef CONFIG_PM +int ide_pci_suspend(struct pci_dev *dev, pm_message_t state) +{ + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + return 0; +} +EXPORT_SYMBOL_GPL(ide_pci_suspend); + +int ide_pci_resume(struct pci_dev *dev) +{ + struct ide_host *host = pci_get_drvdata(dev); + int rc; + + pci_set_power_state(dev, PCI_D0); + + rc = pci_enable_device(dev); + if (rc) + return rc; + + pci_restore_state(dev); + pci_set_master(dev); + + if (host->init_chipset) + host->init_chipset(dev); + + return 0; +} +EXPORT_SYMBOL_GPL(ide_pci_resume); +#endif diff --git a/include/linux/ide.h b/include/linux/ide.h index 432eb98f7fe7..2c5d83ddaef6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -17,6 +17,7 @@ #include #include #include +#include #ifdef CONFIG_BLK_DEV_IDEACPI #include #endif @@ -639,6 +640,7 @@ struct ide_host { ide_hwif_t *ports[MAX_HWIFS]; unsigned int n_ports; struct device *dev[2]; + unsigned int (*init_chipset)(struct pci_dev *); unsigned long host_flags; void *host_priv; }; @@ -1264,6 +1266,14 @@ int ide_pci_init_two(struct pci_dev *, struct pci_dev *, const struct ide_port_info *, void *); void ide_pci_remove(struct pci_dev *); +#ifdef CONFIG_PM +int ide_pci_suspend(struct pci_dev *, pm_message_t); +int ide_pci_resume(struct pci_dev *); +#else +#define ide_pci_suspend NULL +#define ide_pci_resume NULL +#endif + void ide_map_sg(ide_drive_t *, struct request *); void ide_init_sg_cmd(ide_drive_t *, struct request *); -- GitLab From 9232c14bff36d65de254f34386c00b732c5b6099 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:33 +0200 Subject: [PATCH 3577/6244] ide: remove ->bus_state field from ide_hwif_t It is always set to BUSSTATE_ON. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 4 +--- include/linux/ide.h | 1 - 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index f42de5fe9bc2..f78e789ea5f7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -96,8 +96,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) hwif->name[2] = 'e'; hwif->name[3] = '0' + index; - hwif->bus_state = BUSSTATE_ON; - init_completion(&hwif->gendev_rel_comp); hwif->tp_ops = &default_tp_ops; @@ -620,7 +618,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device case HDIO_GET_BUSSTATE: if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (put_user(HWIF(drive)->bus_state, (long __user *)arg)) + if (put_user(BUSSTATE_ON, (long __user *)arg)) return -EFAULT; return 0; diff --git a/include/linux/ide.h b/include/linux/ide.h index 2c5d83ddaef6..42f39781af87 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -562,7 +562,6 @@ typedef struct hwif_s { u8 major; /* our major number */ u8 index; /* 0 for ide0; 1 for ide1; ... */ u8 channel; /* for dual-port chips: 0=primary, 1=secondary */ - u8 bus_state; /* power state of the IDE bus */ u32 host_flags; -- GitLab From aa7687738af3332470e02ac1060f6c046d83c9a3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:33 +0200 Subject: [PATCH 3578/6244] ide: add ide_setting_ioctl() helper * Add struct ide_ioctl_devset representing ioctl device setting. * Add ide_setting_ioctl() helper for matching given ioctl and its parameters against table of ioctl device settings. * Convert ide_setting_ioctl() and idedisk_ioctl() to use ide_setting_ioctl(). * Un-export ide_setting_mtx. While at it: * {get,set}_lba_addressing() -> {get,set}_addressing() There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 59 +++++++++++++----------------------------- drivers/ide/ide.c | 53 +++++++++++++++++++++++-------------- include/linux/ide.h | 14 +++++++++- 3 files changed, 65 insertions(+), 61 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 43025c9d8355..119063470820 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -676,7 +676,7 @@ static int set_acoustic(ide_drive_t *drive, int arg) return 0; } -ide_devset_get(lba_addressing, addressing); +ide_devset_get(addressing, addressing); /* * drive->addressing: @@ -684,7 +684,7 @@ ide_devset_get(lba_addressing, addressing); * 1: 48-bit * 2: 48-bit capable doing 28-bit */ -static int set_lba_addressing(ide_drive_t *drive, int arg) +static int set_addressing(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 2) return -EINVAL; @@ -704,7 +704,7 @@ static int set_lba_addressing(ide_drive_t *drive, int arg) #ifdef CONFIG_IDE_PROC_FS ide_devset_rw_nolock(acoustic, 0, 254, acoustic); -ide_devset_rw_nolock(address, 0, 2, lba_addressing); +ide_devset_rw_nolock(address, 0, 2, addressing); ide_devset_rw_nolock(multcount, 0, 16, multcount); ide_devset_rw_nolock(nowerr, 0, 1, nowerr); ide_devset_rw_nolock(wcache, 0, 1, wcache); @@ -753,7 +753,7 @@ static void idedisk_setup(ide_drive_t *drive) drive->doorlocking = 1; } - (void)set_lba_addressing(drive, 1); + (void)set_addressing(drive, 1); if (drive->addressing == 1) { int max_s = 2048; @@ -1000,51 +1000,28 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } +static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { +{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, get_addressing, set_addressing }, +{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, get_multcount, set_multcount }, +{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, get_nowerr, set_nowerr }, +{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, get_wcache, set_wcache }, +{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, get_acoustic, set_acoustic }, +{ 0 } +}; + static int idedisk_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - unsigned long flags; struct block_device *bdev = inode->i_bdev; struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); ide_drive_t *drive = idkp->drive; - int err, (*getfunc)(ide_drive_t *), (*setfunc)(ide_drive_t *, int); - - switch (cmd) { - case HDIO_GET_ADDRESS: getfunc = get_lba_addressing; goto read_val; - case HDIO_GET_MULTCOUNT: getfunc = get_multcount; goto read_val; - case HDIO_GET_NOWERR: getfunc = get_nowerr; goto read_val; - case HDIO_GET_WCACHE: getfunc = get_wcache; goto read_val; - case HDIO_GET_ACOUSTIC: getfunc = get_acoustic; goto read_val; - case HDIO_SET_ADDRESS: setfunc = set_lba_addressing; goto set_val; - case HDIO_SET_MULTCOUNT: setfunc = set_multcount; goto set_val; - case HDIO_SET_NOWERR: setfunc = set_nowerr; goto set_val; - case HDIO_SET_WCACHE: setfunc = set_wcache; goto set_val; - case HDIO_SET_ACOUSTIC: setfunc = set_acoustic; goto set_val; - } + int err; - return generic_ide_ioctl(drive, file, bdev, cmd, arg); + err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); + if (err != -EOPNOTSUPP) + return err; -read_val: - mutex_lock(&ide_setting_mtx); - spin_lock_irqsave(&ide_lock, flags); - err = getfunc(drive); - spin_unlock_irqrestore(&ide_lock, flags); - mutex_unlock(&ide_setting_mtx); - return err >= 0 ? put_user(err, (long __user *)arg) : err; - -set_val: - if (bdev != bdev->bd_contains) - err = -EINVAL; - else { - if (!capable(CAP_SYS_ADMIN)) - err = -EACCES; - else { - mutex_lock(&ide_setting_mtx); - err = setfunc(drive, arg); - mutex_unlock(&ide_setting_mtx); - } - } - return err; + return generic_ide_ioctl(drive, file, bdev, cmd, arg); } static int idedisk_media_changed(struct gendisk *disk) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index f78e789ea5f7..4910924abeb7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -250,8 +250,6 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) DEFINE_MUTEX(ide_setting_mtx); -EXPORT_SYMBOL_GPL(ide_setting_mtx); - /** * ide_spin_wait_hwgroup - wait for group * @drive: drive in the group @@ -558,23 +556,23 @@ static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) return 0; } +static const struct ide_ioctl_devset ide_ioctl_settings[] = { +{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit }, +{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings }, +{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq }, +{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma }, +{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode }, +{ 0 } +}; + int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, unsigned int cmd, unsigned long arg) { - unsigned long flags; - int err = 0, (*getfunc)(ide_drive_t *), (*setfunc)(ide_drive_t *, int); + int err; - switch (cmd) { - case HDIO_GET_32BIT: getfunc = get_io_32bit; goto read_val; - case HDIO_GET_KEEPSETTINGS: getfunc = get_ksettings; goto read_val; - case HDIO_GET_UNMASKINTR: getfunc = get_unmaskirq; goto read_val; - case HDIO_GET_DMA: getfunc = get_using_dma; goto read_val; - case HDIO_SET_32BIT: setfunc = set_io_32bit; goto set_val; - case HDIO_SET_KEEPSETTINGS: setfunc = set_ksettings; goto set_val; - case HDIO_SET_PIO_MODE: setfunc = set_pio_mode; goto set_val; - case HDIO_SET_UNMASKINTR: setfunc = set_unmaskirq; goto set_val; - case HDIO_SET_DMA: setfunc = set_using_dma; goto set_val; - } + err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_ioctl_settings); + if (err != -EOPNOTSUPP) + return err; switch (cmd) { case HDIO_OBSOLETE_IDENTITY: @@ -629,11 +627,29 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device default: return -EINVAL; } +} +EXPORT_SYMBOL(generic_ide_ioctl); + +int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev, + unsigned int cmd, unsigned long arg, + const struct ide_ioctl_devset *s) +{ + unsigned long flags; + int err = -EOPNOTSUPP; + + for (; s->get_ioctl; s++) { + if (s->get && s->get_ioctl == cmd) + goto read_val; + else if (s->set && s->set_ioctl == cmd) + goto set_val; + } + + return err; read_val: mutex_lock(&ide_setting_mtx); spin_lock_irqsave(&ide_lock, flags); - err = getfunc(drive); + err = s->get(drive); spin_unlock_irqrestore(&ide_lock, flags); mutex_unlock(&ide_setting_mtx); return err >= 0 ? put_user(err, (long __user *)arg) : err; @@ -646,14 +662,13 @@ set_val: err = -EACCES; else { mutex_lock(&ide_setting_mtx); - err = setfunc(drive, arg); + err = s->set(drive, arg); mutex_unlock(&ide_setting_mtx); } } return err; } - -EXPORT_SYMBOL(generic_ide_ioctl); +EXPORT_SYMBOL_GPL(ide_setting_ioctl); /** * ide_device_get - get an additional reference to a ide_drive_t diff --git a/include/linux/ide.h b/include/linux/ide.h index 42f39781af87..64624b9b645c 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -932,7 +932,19 @@ struct ide_driver_s { int ide_device_get(ide_drive_t *); void ide_device_put(ide_drive_t *); -int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long); +struct ide_ioctl_devset { + unsigned int get_ioctl; + unsigned int set_ioctl; + + int (*get)(ide_drive_t *); + int (*set)(ide_drive_t *, int); +}; + +int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int, + unsigned long, const struct ide_ioctl_devset *); + +int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, + unsigned, unsigned long); extern int ide_vlb_clk; extern int ide_pci_clk; -- GitLab From 170dc5b085e688639aa2b7acd1b907e2e1c7a48a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:33 +0200 Subject: [PATCH 3579/6244] ide: cleanup generic_ide_ioctl() * Fix intendation for the main 'switch ()'. * 'switch ()' -> 'if ()' for HDIO_DRIVE_TASKFILE case. * Move HDIO_SET_NICE case under HDIO_GET_NICE one. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 97 ++++++++++++++++++++++------------------------- 1 file changed, 45 insertions(+), 52 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 4910924abeb7..19181493e722 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -565,8 +565,9 @@ static const struct ide_ioctl_devset ide_ioctl_settings[] = { { 0 } }; -int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev, - unsigned int cmd, unsigned long arg) +int generic_ide_ioctl(ide_drive_t *drive, struct file *file, + struct block_device *bdev, + unsigned int cmd, unsigned long arg) { int err; @@ -575,57 +576,49 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device return err; switch (cmd) { - case HDIO_OBSOLETE_IDENTITY: - case HDIO_GET_IDENTITY: - if (bdev != bdev->bd_contains) - return -EINVAL; - return ide_get_identity_ioctl(drive, cmd, arg); - case HDIO_GET_NICE: - return ide_get_nice_ioctl(drive, arg); -#ifdef CONFIG_IDE_TASK_IOCTL - case HDIO_DRIVE_TASKFILE: - if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) - return -EACCES; - switch(drive->media) { - case ide_disk: - return ide_taskfile_ioctl(drive, cmd, arg); - default: - return -ENOMSG; - } -#endif /* CONFIG_IDE_TASK_IOCTL */ - - case HDIO_DRIVE_CMD: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_cmd_ioctl(drive, cmd, arg); - - case HDIO_DRIVE_TASK: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_task_ioctl(drive, cmd, arg); - case HDIO_SET_NICE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return ide_set_nice_ioctl(drive, arg); - case HDIO_DRIVE_RESET: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - - return generic_drive_reset(drive); - - case HDIO_GET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (put_user(BUSSTATE_ON, (long __user *)arg)) - return -EFAULT; - return 0; - - case HDIO_SET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return -EOPNOTSUPP; - default: + case HDIO_OBSOLETE_IDENTITY: + case HDIO_GET_IDENTITY: + if (bdev != bdev->bd_contains) return -EINVAL; + return ide_get_identity_ioctl(drive, cmd, arg); + case HDIO_GET_NICE: + return ide_get_nice_ioctl(drive, arg); + case HDIO_SET_NICE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return ide_set_nice_ioctl(drive, arg); +#ifdef CONFIG_IDE_TASK_IOCTL + case HDIO_DRIVE_TASKFILE: + if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) + return -EACCES; + if (drive->media == ide_disk) + return ide_taskfile_ioctl(drive, cmd, arg); + return -ENOMSG; +#endif + case HDIO_DRIVE_CMD: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_cmd_ioctl(drive, cmd, arg); + case HDIO_DRIVE_TASK: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_task_ioctl(drive, cmd, arg); + case HDIO_DRIVE_RESET: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return generic_drive_reset(drive); + case HDIO_GET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (put_user(BUSSTATE_ON, (long __user *)arg)) + return -EFAULT; + return 0; + case HDIO_SET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return -EOPNOTSUPP; + default: + return -EINVAL; } } EXPORT_SYMBOL(generic_ide_ioctl); -- GitLab From 05236ea6df7419f0f37cf9603cfee265cfce5832 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:33 +0200 Subject: [PATCH 3580/6244] ide: move ioctls handling to ide-ioctls.c * Move ioctls handling to ide-ioctls.c (except HDIO_DRIVE_TASKFILE for now). * Make ide_{cmd,task}() static. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 4 +- drivers/ide/ide-ioctls.c | 289 +++++++++++++++++++++++++++++++++++++ drivers/ide/ide-taskfile.c | 109 -------------- drivers/ide/ide.c | 174 ---------------------- include/linux/ide.h | 2 - 5 files changed, 291 insertions(+), 287 deletions(-) create mode 100644 drivers/ide/ide-ioctls.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 64e0ecdc4ed5..76a30d763384 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -4,8 +4,8 @@ EXTRA_CFLAGS += -Idrivers/ide -ide-core-y += ide.o ide-io.o ide-iops.o ide-lib.o ide-probe.o ide-taskfile.o \ - ide-pio-blacklist.o +ide-core-y += ide.o ide-ioctls.o ide-io.o ide-iops.o ide-lib.o ide-probe.o \ + ide-taskfile.o ide-pio-blacklist.o # core IDE code ide-core-$(CONFIG_IDE_TIMINGS) += ide-timings.o diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c new file mode 100644 index 000000000000..7a0d62e7286b --- /dev/null +++ b/drivers/ide/ide-ioctls.c @@ -0,0 +1,289 @@ +/* + * IDE ioctls handling. + */ + +#include +#include + +static const struct ide_ioctl_devset ide_ioctl_settings[] = { +{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit }, +{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings }, +{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq }, +{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma }, +{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode }, +{ 0 } +}; + +int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev, + unsigned int cmd, unsigned long arg, + const struct ide_ioctl_devset *s) +{ + unsigned long flags; + int err = -EOPNOTSUPP; + + for (; s->get_ioctl; s++) { + if (s->get && s->get_ioctl == cmd) + goto read_val; + else if (s->set && s->set_ioctl == cmd) + goto set_val; + } + + return err; + +read_val: + mutex_lock(&ide_setting_mtx); + spin_lock_irqsave(&ide_lock, flags); + err = s->get(drive); + spin_unlock_irqrestore(&ide_lock, flags); + mutex_unlock(&ide_setting_mtx); + return err >= 0 ? put_user(err, (long __user *)arg) : err; + +set_val: + if (bdev != bdev->bd_contains) + err = -EINVAL; + else { + if (!capable(CAP_SYS_ADMIN)) + err = -EACCES; + else { + mutex_lock(&ide_setting_mtx); + err = s->set(drive, arg); + mutex_unlock(&ide_setting_mtx); + } + } + return err; +} +EXPORT_SYMBOL_GPL(ide_setting_ioctl); + +static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, + unsigned long arg) +{ + u16 *id = NULL; + int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142; + int rc = 0; + + if (drive->id_read == 0) { + rc = -ENOMSG; + goto out; + } + + id = kmalloc(size, GFP_KERNEL); + if (id == NULL) { + rc = -ENOMEM; + goto out; + } + + memcpy(id, drive->id, size); + ata_id_to_hd_driveid(id); + + if (copy_to_user((void __user *)arg, id, size)) + rc = -EFAULT; + + kfree(id); +out: + return rc; +} + +static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg) +{ + return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) | + (drive->nice1 << IDE_NICE_1), (long __user *)arg); +} + +static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) +{ + if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1)))) + return -EPERM; + + if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && + (drive->media == ide_disk || drive->media == ide_floppy || + drive->scsi)) + return -EPERM; + + drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; + drive->nice1 = (arg >> IDE_NICE_1) & 1; + + return 0; +} + +static int ide_cmd_ioctl(ide_drive_t *drive, unsigned cmd, unsigned long arg) +{ + u8 *buf = NULL; + int bufsize = 0, err = 0; + u8 args[4], xfer_rate = 0; + ide_task_t tfargs; + struct ide_taskfile *tf = &tfargs.tf; + u16 *id = drive->id; + + if (NULL == (void *) arg) { + struct request *rq; + + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_ATA_TASKFILE; + err = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_put_request(rq); + + return err; + } + + if (copy_from_user(args, (void __user *)arg, 4)) + return -EFAULT; + + memset(&tfargs, 0, sizeof(ide_task_t)); + tf->feature = args[2]; + if (args[0] == ATA_CMD_SMART) { + tf->nsect = args[3]; + tf->lbal = args[1]; + tf->lbam = 0x4f; + tf->lbah = 0xc2; + tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT; + } else { + tf->nsect = args[1]; + tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT; + } + tf->command = args[0]; + tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA; + + if (args[3]) { + tfargs.tf_flags |= IDE_TFLAG_IO_16BIT; + bufsize = SECTOR_SIZE * args[3]; + buf = kzalloc(bufsize, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + } + + if (tf->command == ATA_CMD_SET_FEATURES && + tf->feature == SETFEATURES_XFER && + tf->nsect >= XFER_SW_DMA_0 && + (id[ATA_ID_UDMA_MODES] || + id[ATA_ID_MWDMA_MODES] || + id[ATA_ID_SWDMA_MODES])) { + xfer_rate = args[1]; + if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) { + printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot " + "be set\n", drive->name); + goto abort; + } + } + + err = ide_raw_taskfile(drive, &tfargs, buf, args[3]); + + args[0] = tf->status; + args[1] = tf->error; + args[2] = tf->nsect; + + if (!err && xfer_rate) { + /* active-retuning-calls future */ + ide_set_xfer_rate(drive, xfer_rate); + ide_driveid_update(drive); + } +abort: + if (copy_to_user((void __user *)arg, &args, 4)) + err = -EFAULT; + if (buf) { + if (copy_to_user((void __user *)(arg + 4), buf, bufsize)) + err = -EFAULT; + kfree(buf); + } + return err; +} + +static int ide_task_ioctl(ide_drive_t *drive, unsigned cmd, unsigned long arg) +{ + void __user *p = (void __user *)arg; + int err = 0; + u8 args[7]; + ide_task_t task; + + if (copy_from_user(args, p, 7)) + return -EFAULT; + + memset(&task, 0, sizeof(task)); + memcpy(&task.tf_array[7], &args[1], 6); + task.tf.command = args[0]; + task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + + err = ide_no_data_taskfile(drive, &task); + + args[0] = task.tf.command; + memcpy(&args[1], &task.tf_array[7], 6); + + if (copy_to_user(p, args, 7)) + err = -EFAULT; + + return err; +} + +static int generic_drive_reset(ide_drive_t *drive) +{ + struct request *rq; + int ret = 0; + + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_len = 1; + rq->cmd[0] = REQ_DRIVE_RESET; + rq->cmd_flags |= REQ_SOFTBARRIER; + if (blk_execute_rq(drive->queue, NULL, rq, 1)) + ret = rq->errors; + blk_put_request(rq); + return ret; +} + +int generic_ide_ioctl(ide_drive_t *drive, struct file *file, + struct block_device *bdev, + unsigned int cmd, unsigned long arg) +{ + int err; + + err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_ioctl_settings); + if (err != -EOPNOTSUPP) + return err; + + switch (cmd) { + case HDIO_OBSOLETE_IDENTITY: + case HDIO_GET_IDENTITY: + if (bdev != bdev->bd_contains) + return -EINVAL; + return ide_get_identity_ioctl(drive, cmd, arg); + case HDIO_GET_NICE: + return ide_get_nice_ioctl(drive, arg); + case HDIO_SET_NICE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return ide_set_nice_ioctl(drive, arg); +#ifdef CONFIG_IDE_TASK_IOCTL + case HDIO_DRIVE_TASKFILE: + if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) + return -EACCES; + if (drive->media == ide_disk) + return ide_taskfile_ioctl(drive, cmd, arg); + return -ENOMSG; +#endif + case HDIO_DRIVE_CMD: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_cmd_ioctl(drive, cmd, arg); + case HDIO_DRIVE_TASK: + if (!capable(CAP_SYS_RAWIO)) + return -EACCES; + return ide_task_ioctl(drive, cmd, arg); + case HDIO_DRIVE_RESET: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return generic_drive_reset(drive); + case HDIO_GET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (put_user(BUSSTATE_ON, (long __user *)arg)) + return -EFAULT; + return 0; + case HDIO_SET_BUSSTATE: + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + return -EOPNOTSUPP; + default: + return -EINVAL; + } +} +EXPORT_SYMBOL(generic_ide_ioctl); diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 7ffe9004a4d6..487b18b3ebae 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -726,112 +726,3 @@ abort: return err; } #endif - -int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) -{ - u8 *buf = NULL; - int bufsize = 0, err = 0; - u8 args[4], xfer_rate = 0; - ide_task_t tfargs; - struct ide_taskfile *tf = &tfargs.tf; - u16 *id = drive->id; - - if (NULL == (void *) arg) { - struct request *rq; - - rq = blk_get_request(drive->queue, READ, __GFP_WAIT); - rq->cmd_type = REQ_TYPE_ATA_TASKFILE; - err = blk_execute_rq(drive->queue, NULL, rq, 0); - blk_put_request(rq); - - return err; - } - - if (copy_from_user(args, (void __user *)arg, 4)) - return -EFAULT; - - memset(&tfargs, 0, sizeof(ide_task_t)); - tf->feature = args[2]; - if (args[0] == ATA_CMD_SMART) { - tf->nsect = args[3]; - tf->lbal = args[1]; - tf->lbam = 0x4f; - tf->lbah = 0xc2; - tfargs.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_IN_NSECT; - } else { - tf->nsect = args[1]; - tfargs.tf_flags = IDE_TFLAG_OUT_FEATURE | - IDE_TFLAG_OUT_NSECT | IDE_TFLAG_IN_NSECT; - } - tf->command = args[0]; - tfargs.data_phase = args[3] ? TASKFILE_IN : TASKFILE_NO_DATA; - - if (args[3]) { - tfargs.tf_flags |= IDE_TFLAG_IO_16BIT; - bufsize = SECTOR_SIZE * args[3]; - buf = kzalloc(bufsize, GFP_KERNEL); - if (buf == NULL) - return -ENOMEM; - } - - if (tf->command == ATA_CMD_SET_FEATURES && - tf->feature == SETFEATURES_XFER && - tf->nsect >= XFER_SW_DMA_0 && - (id[ATA_ID_UDMA_MODES] || - id[ATA_ID_MWDMA_MODES] || - id[ATA_ID_SWDMA_MODES])) { - xfer_rate = args[1]; - if (tf->nsect > XFER_UDMA_2 && !eighty_ninty_three(drive)) { - printk(KERN_WARNING "%s: UDMA speeds >UDMA33 cannot " - "be set\n", drive->name); - goto abort; - } - } - - err = ide_raw_taskfile(drive, &tfargs, buf, args[3]); - - args[0] = tf->status; - args[1] = tf->error; - args[2] = tf->nsect; - - if (!err && xfer_rate) { - /* active-retuning-calls future */ - ide_set_xfer_rate(drive, xfer_rate); - ide_driveid_update(drive); - } -abort: - if (copy_to_user((void __user *)arg, &args, 4)) - err = -EFAULT; - if (buf) { - if (copy_to_user((void __user *)(arg + 4), buf, bufsize)) - err = -EFAULT; - kfree(buf); - } - return err; -} - -int ide_task_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) -{ - void __user *p = (void __user *)arg; - int err = 0; - u8 args[7]; - ide_task_t task; - - if (copy_from_user(args, p, 7)) - return -EFAULT; - - memset(&task, 0, sizeof(task)); - memcpy(&task.tf_array[7], &args[1], 6); - task.tf.command = args[0]; - task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - - err = ide_no_data_taskfile(drive, &task); - - args[0] = task.tf.command; - memcpy(&args[1], &task.tf_array[7], 6); - - if (copy_to_user(p, args, 7)) - err = -EFAULT; - - return err; -} diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 19181493e722..349d7fa75585 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -489,180 +489,6 @@ static int generic_ide_resume(struct device *dev) return err; } -static int generic_drive_reset(ide_drive_t *drive) -{ - struct request *rq; - int ret = 0; - - rq = blk_get_request(drive->queue, READ, __GFP_WAIT); - rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd_len = 1; - rq->cmd[0] = REQ_DRIVE_RESET; - rq->cmd_flags |= REQ_SOFTBARRIER; - if (blk_execute_rq(drive->queue, NULL, rq, 1)) - ret = rq->errors; - blk_put_request(rq); - return ret; -} - -static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, - unsigned long arg) -{ - u16 *id = NULL; - int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142; - int rc = 0; - - if (drive->id_read == 0) { - rc = -ENOMSG; - goto out; - } - - id = kmalloc(size, GFP_KERNEL); - if (id == NULL) { - rc = -ENOMEM; - goto out; - } - - memcpy(id, drive->id, size); - ata_id_to_hd_driveid(id); - - if (copy_to_user((void __user *)arg, id, size)) - rc = -EFAULT; - - kfree(id); -out: - return rc; -} - -static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg) -{ - return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) | - (drive->nice1 << IDE_NICE_1), (long __user *)arg); -} - -static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) -{ - if (arg != (arg & ((1 << IDE_NICE_DSC_OVERLAP) | (1 << IDE_NICE_1)))) - return -EPERM; - - if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && - (drive->media == ide_disk || drive->media == ide_floppy || - drive->scsi)) - return -EPERM; - - drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; - drive->nice1 = (arg >> IDE_NICE_1) & 1; - - return 0; -} - -static const struct ide_ioctl_devset ide_ioctl_settings[] = { -{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit }, -{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings }, -{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq }, -{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma }, -{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode }, -{ 0 } -}; - -int generic_ide_ioctl(ide_drive_t *drive, struct file *file, - struct block_device *bdev, - unsigned int cmd, unsigned long arg) -{ - int err; - - err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_ioctl_settings); - if (err != -EOPNOTSUPP) - return err; - - switch (cmd) { - case HDIO_OBSOLETE_IDENTITY: - case HDIO_GET_IDENTITY: - if (bdev != bdev->bd_contains) - return -EINVAL; - return ide_get_identity_ioctl(drive, cmd, arg); - case HDIO_GET_NICE: - return ide_get_nice_ioctl(drive, arg); - case HDIO_SET_NICE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return ide_set_nice_ioctl(drive, arg); -#ifdef CONFIG_IDE_TASK_IOCTL - case HDIO_DRIVE_TASKFILE: - if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO)) - return -EACCES; - if (drive->media == ide_disk) - return ide_taskfile_ioctl(drive, cmd, arg); - return -ENOMSG; -#endif - case HDIO_DRIVE_CMD: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_cmd_ioctl(drive, cmd, arg); - case HDIO_DRIVE_TASK: - if (!capable(CAP_SYS_RAWIO)) - return -EACCES; - return ide_task_ioctl(drive, cmd, arg); - case HDIO_DRIVE_RESET: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return generic_drive_reset(drive); - case HDIO_GET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (put_user(BUSSTATE_ON, (long __user *)arg)) - return -EFAULT; - return 0; - case HDIO_SET_BUSSTATE: - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - return -EOPNOTSUPP; - default: - return -EINVAL; - } -} -EXPORT_SYMBOL(generic_ide_ioctl); - -int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev, - unsigned int cmd, unsigned long arg, - const struct ide_ioctl_devset *s) -{ - unsigned long flags; - int err = -EOPNOTSUPP; - - for (; s->get_ioctl; s++) { - if (s->get && s->get_ioctl == cmd) - goto read_val; - else if (s->set && s->set_ioctl == cmd) - goto set_val; - } - - return err; - -read_val: - mutex_lock(&ide_setting_mtx); - spin_lock_irqsave(&ide_lock, flags); - err = s->get(drive); - spin_unlock_irqrestore(&ide_lock, flags); - mutex_unlock(&ide_setting_mtx); - return err >= 0 ? put_user(err, (long __user *)arg) : err; - -set_val: - if (bdev != bdev->bd_contains) - err = -EINVAL; - else { - if (!capable(CAP_SYS_ADMIN)) - err = -EACCES; - else { - mutex_lock(&ide_setting_mtx); - err = s->set(drive, arg); - mutex_unlock(&ide_setting_mtx); - } - } - return err; -} -EXPORT_SYMBOL_GPL(ide_setting_ioctl); - /** * ide_device_get - get an additional reference to a ide_drive_t * @drive: device to get a reference to diff --git a/include/linux/ide.h b/include/linux/ide.h index 64624b9b645c..40102bd50a70 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1128,8 +1128,6 @@ int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); -int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); -int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); extern int ide_driveid_update(ide_drive_t *); extern int ide_config_drive_speed(ide_drive_t *, u8); -- GitLab From 51509eec34debffec3c6f481f7371c9aeb6c63c1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:34 +0200 Subject: [PATCH 3581/6244] ide: add ide_check_atapi_device() helper * Add ide_check_atapi_device() to ide-atapi.c and convert ide-{floppy,tape}.c to use it instead of ide*_identify_device(). While at it: * Add DRV_NAME defines to ide-{floppy,tape}.c. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 47 +++++++++++++++++++++++++++++++++++++++ drivers/ide/ide-floppy.c | 48 +++------------------------------------- drivers/ide/ide-tape.c | 43 +++-------------------------------- include/linux/ide.h | 2 ++ 4 files changed, 55 insertions(+), 85 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 12674e6519e6..61c52fb665ca 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -14,6 +14,53 @@ #define debug_log(fmt, args...) do {} while (0) #endif +/* + * Check whether we can support a device, + * based on the ATAPI IDENTIFY command results. + */ +int ide_check_atapi_device(ide_drive_t *drive, const char *s) +{ + u16 *id = drive->id; + u8 gcw[2], protocol, device_type, removable, drq_type, packet_size; + + *((u16 *)&gcw) = id[ATA_ID_CONFIG]; + + protocol = (gcw[1] & 0xC0) >> 6; + device_type = gcw[1] & 0x1F; + removable = (gcw[0] & 0x80) >> 7; + drq_type = (gcw[0] & 0x60) >> 5; + packet_size = gcw[0] & 0x03; + +#ifdef CONFIG_PPC + /* kludge for Apple PowerBook internal zip */ + if (drive->media == ide_floppy && device_type == 5 && + !strstr((char *)&id[ATA_ID_PROD], "CD-ROM") && + strstr((char *)&id[ATA_ID_PROD], "ZIP")) + device_type = 0; +#endif + + if (protocol != 2) + printk(KERN_ERR "%s: %s: protocol (0x%02x) is not ATAPI\n", + s, drive->name, protocol); + else if ((drive->media == ide_floppy && device_type != 0) || + (drive->media == ide_tape && device_type != 1)) + printk(KERN_ERR "%s: %s: invalid device type (0x%02x)\n", + s, drive->name, device_type); + else if (removable == 0) + printk(KERN_ERR "%s: %s: the removable flag is not set\n", + s, drive->name); + else if (drive->media == ide_floppy && drq_type == 3) + printk(KERN_ERR "%s: %s: sorry, DRQ type (0x%02x) not " + "supported\n", s, drive->name, drq_type); + else if (packet_size != 0) + printk(KERN_ERR "%s: %s: packet size (0x%02x) is not 12 " + "bytes\n", s, drive->name, packet_size); + else + return 1; + return 0; +} +EXPORT_SYMBOL_GPL(ide_check_atapi_device); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index de8d42b3f698..ace6f26a296a 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -15,6 +15,8 @@ * Documentation/ide/ChangeLog.ide-floppy.1996-2002 */ +#define DRV_NAME "ide-floppy" + #define IDEFLOPPY_VERSION "1.00" #include @@ -962,50 +964,6 @@ static sector_t idefloppy_capacity(ide_drive_t *drive) return capacity; } -/* - * Check whether we can support a drive, based on the ATAPI IDENTIFY command - * results. - */ -static int idefloppy_identify_device(ide_drive_t *drive, u16 *id) -{ - u8 gcw[2]; - u8 device_type, protocol, removable, drq_type, packet_size; - - *((u16 *)&gcw) = id[ATA_ID_CONFIG]; - - device_type = gcw[1] & 0x1F; - removable = (gcw[0] & 0x80) >> 7; - protocol = (gcw[1] & 0xC0) >> 6; - drq_type = (gcw[0] & 0x60) >> 5; - packet_size = gcw[0] & 0x03; - -#ifdef CONFIG_PPC - /* kludge for Apple PowerBook internal zip */ - if (device_type == 5 && - !strstr((char *)&id[ATA_ID_PROD], "CD-ROM") && - strstr((char *)&id[ATA_ID_PROD], "ZIP")) - device_type = 0; -#endif - - if (protocol != 2) - printk(KERN_ERR "ide-floppy: Protocol (0x%02x) is not ATAPI\n", - protocol); - else if (device_type != 0) - printk(KERN_ERR "ide-floppy: Device type (0x%02x) is not set " - "to floppy\n", device_type); - else if (!removable) - printk(KERN_ERR "ide-floppy: The removable flag is not set\n"); - else if (drq_type == 3) - printk(KERN_ERR "ide-floppy: Sorry, DRQ type (0x%02x) not " - "supported\n", drq_type); - else if (packet_size != 0) - printk(KERN_ERR "ide-floppy: Packet size (0x%02x) is not 12 " - "bytes\n", packet_size); - else - return 1; - return 0; -} - #ifdef CONFIG_IDE_PROC_FS ide_devset_rw(bios_cyl, 0, 1023, bios_cyl); ide_devset_rw(bios_head, 0, 255, bios_head); @@ -1407,7 +1365,7 @@ static int ide_floppy_probe(ide_drive_t *drive) if (drive->media != ide_floppy) goto failed; - if (!idefloppy_identify_device(drive, drive->id)) { + if (!ide_check_atapi_device(drive, DRV_NAME)) { printk(KERN_ERR "ide-floppy: %s: not supported by this version" " of ide-floppy\n", drive->name); goto failed; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 1fc1c2a6888f..7f56f2003342 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -15,6 +15,8 @@ * Documentation/ide/ChangeLog.ide-tape.1995-2002 */ +#define DRV_NAME "ide-tape" + #define IDETAPE_VERSION "1.20" #include @@ -2296,45 +2298,6 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) return 0; } -/* - * check the contents of the ATAPI IDENTIFY command results. We return: - * - * 1 - If the tape can be supported by us, based on the information we have so - * far. - * - * 0 - If this tape driver is not currently supported by us. - */ -static int idetape_identify_device(ide_drive_t *drive) -{ - u8 gcw[2], protocol, device_type, removable, packet_size; - - if (drive->id_read == 0) - return 1; - - *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG]; - - protocol = (gcw[1] & 0xC0) >> 6; - device_type = gcw[1] & 0x1F; - removable = !!(gcw[0] & 0x80); - packet_size = gcw[0] & 0x3; - - /* Check that we can support this device */ - if (protocol != 2) - printk(KERN_ERR "ide-tape: Protocol (0x%02x) is not ATAPI\n", - protocol); - else if (device_type != 1) - printk(KERN_ERR "ide-tape: Device type (0x%02x) is not set " - "to tape\n", device_type); - else if (!removable) - printk(KERN_ERR "ide-tape: The removable flag is not set\n"); - else if (packet_size != 0) { - printk(KERN_ERR "ide-tape: Packet size (0x%02x) is not 12" - " bytes\n", packet_size); - } else - return 1; - return 0; -} - static void idetape_get_inquiry_results(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; @@ -2679,7 +2642,7 @@ static int ide_tape_probe(ide_drive_t *drive) if (drive->media != ide_tape) goto failed; - if (!idetape_identify_device(drive)) { + if (drive->id_read == 1 && !ide_check_atapi_device(drive, DRV_NAME)) { printk(KERN_ERR "ide-tape: %s: not supported by this version of" " the driver\n", drive->name); goto failed; diff --git a/include/linux/ide.h b/include/linux/ide.h index 40102bd50a70..e63ff63d1f0b 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1109,6 +1109,8 @@ extern int drive_is_ready(ide_drive_t *); void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); +int ide_check_atapi_device(ide_drive_t *, const char *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), -- GitLab From e3faa2481e832568d13dfa3a52d17525b322cb8f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:34 +0200 Subject: [PATCH 3582/6244] ide-floppy: remove needless parens Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index ace6f26a296a..6a944cb7054f 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -738,7 +738,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) return 1; floppy->srfp = pc.buf[8 + 2] & 0x40; - return (0); + return 0; } /* @@ -866,16 +866,17 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) int __user *argp; if (get_user(u_array_size, arg)) - return (-EFAULT); + return -EFAULT; if (u_array_size <= 0) - return (-EINVAL); + return -EINVAL; idefloppy_create_read_capacity_cmd(&pc); if (idefloppy_queue_pc_tail(drive, &pc)) { printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); - return (-EIO); + return -EIO; } + header_len = pc.buf[3]; desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */ @@ -897,19 +898,22 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); if (put_user(blocks, argp)) - return(-EFAULT); + return -EFAULT; + ++argp; if (put_user(length, argp)) - return (-EFAULT); + return -EFAULT; + ++argp; ++u_index; } if (put_user(u_index, arg)) - return (-EFAULT); - return (0); + return -EFAULT; + + return 0; } /* @@ -931,7 +935,7 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg) if (floppy->srfp) { idefloppy_create_request_sense_cmd(&pc); if (idefloppy_queue_pc_tail(drive, &pc)) - return (-EIO); + return -EIO; if (floppy->sense_key == 2 && floppy->asc == 4 && @@ -950,10 +954,11 @@ static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg) progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000; } + if (put_user(progress_indication, arg)) - return (-EFAULT); + return -EFAULT; - return (0); + return 0; } static sector_t idefloppy_capacity(ide_drive_t *drive) -- GitLab From d56c99e26b0ff45009bdf85556abee60591507cb Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:34 +0200 Subject: [PATCH 3583/6244] ide-floppy: add ide_floppy_format_ioctl() helper * Factor out IDEFLOPPY_IOCTL_FORMAT_* ioctls handling from idefloppy_ioctl() to ide_floppy_format_ioctl(). While at it: * Pass 'drive' instead of 'floppy' to ide_floppy_format_unit(). * idefloppy_get_format_progress() -> ide_floppy_get_format_progress() There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 46 ++++++++++++++++++++++------------------ 1 file changed, 25 insertions(+), 21 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 6a944cb7054f..84c333e44349 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -926,7 +926,7 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) * the dsc bit, and return either 0 or 65536. */ -static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg) +static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) { idefloppy_floppy_t *floppy = drive->driver_data; struct ide_atapi_pc pc; @@ -1232,11 +1232,10 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, return 0; } -static int ide_floppy_format_unit(idefloppy_floppy_t *floppy, - int __user *arg) +static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg) { + idefloppy_floppy_t *floppy = drive->driver_data; struct ide_atapi_pc pc; - ide_drive_t *drive = floppy->drive; int blocks, length, flags, err = 0; if (floppy->openers > 1) { @@ -1281,6 +1280,24 @@ out: return err; } +static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, + unsigned int cmd, void __user *argp) +{ + switch (cmd) { + case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: + return 0; + case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY: + return ide_floppy_get_format_capacities(drive, argp); + case IDEFLOPPY_IOCTL_FORMAT_START: + if (!(file->f_mode & 2)) + return -EPERM; + return ide_floppy_format_unit(drive, (int __user *)argp); + case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS: + return ide_floppy_get_format_progress(drive, argp); + default: + return -ENOTTY; + } +} static int idefloppy_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) @@ -1292,23 +1309,12 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, void __user *argp = (void __user *)arg; int err; - switch (cmd) { - case CDROMEJECT: - /* fall through */ - case CDROM_LOCKDOOR: + if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) return ide_floppy_lockdoor(drive, &pc, arg, cmd); - case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: - return 0; - case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY: - return ide_floppy_get_format_capacities(drive, argp); - case IDEFLOPPY_IOCTL_FORMAT_START: - if (!(file->f_mode & 2)) - return -EPERM; - return ide_floppy_format_unit(floppy, (int __user *)arg); - case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS: - return idefloppy_get_format_progress(drive, argp); - } + err = ide_floppy_format_ioctl(drive, file, cmd, argp); + if (err != -ENOTTY) + return err; /* * skip SCSI_IOCTL_SEND_COMMAND (deprecated) @@ -1317,8 +1323,6 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND) err = scsi_cmd_ioctl(file, bdev->bd_disk->queue, bdev->bd_disk, cmd, argp); - else - err = -ENOTTY; if (err == -ENOTTY) err = generic_ide_ioctl(drive, file, bdev, cmd, arg); -- GitLab From f025ffdcc3450ae66c9d5df368d97f07e7fcf489 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:34 +0200 Subject: [PATCH 3584/6244] ide-tape: remove idetape_init_rq() idetape_init_rq() is only used in idetape_queue_pc_head() so inline it there. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-tape.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 7f56f2003342..83014abf330f 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -689,13 +689,6 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) pc->req_xfer = 20; } -static void idetape_init_rq(struct request *rq, u8 cmd) -{ - blk_rq_init(NULL, rq); - rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[13] = cmd; -} - /* * Generate a new packet command request in front of the request queue, before * the current request, so that it will be processed immediately, on the next @@ -716,11 +709,13 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, { struct ide_tape_obj *tape = drive->driver_data; - idetape_init_rq(rq, REQ_IDETAPE_PC1); + blk_rq_init(NULL, rq); + rq->cmd_type = REQ_TYPE_SPECIAL; rq->cmd_flags |= REQ_PREEMPT; rq->buffer = (char *) pc; rq->rq_disk = tape->disk; memcpy(rq->cmd, pc->c, 12); + rq->cmd[13] = REQ_IDETAPE_PC1; ide_do_drive_cmd(drive, rq); } -- GitLab From b98b3409abb697321d1b53e3e96a14243fe9fc79 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Fri, 10 Oct 2008 22:39:35 +0200 Subject: [PATCH 3585/6244] ide-floppy: use scatterlists for pio transfers Use hwif->sg_table for pio transfers instead of fumbling with block layer internals in the driver. Also, make debug statements more informative in .._do_request() while at it. Signed-off-by: Borislav Petkov [bart: fixup pc->b_count in idefloppy_blockpc_cmd()] [bart: add missing include (noticed by Stephen Rothwell)] [bart: map hwif->sg_{table,nents} on pc->{sg,sg_cnt} (multi-IRQs-per-sg fix)] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 68 +++++++++++++++++++++++++--------------- 1 file changed, 42 insertions(+), 26 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 84c333e44349..06db5edf9cee 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -36,6 +36,7 @@ #include #include #include +#include #include @@ -226,29 +227,36 @@ static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int bcount, int direction) { ide_hwif_t *hwif = drive->hwif; - struct request *rq = pc->rq; - struct req_iterator iter; - struct bio_vec *bvec; - unsigned long flags; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; + xfer_func_t *xf = direction ? tp_ops->output_data : tp_ops->input_data; + struct scatterlist *sg = pc->sg; + char *buf; int count, done = 0; - char *data; - - rq_for_each_segment(bvec, rq, iter) { - if (!bcount) - break; - - count = min(bvec->bv_len, bcount); - - data = bvec_kmap_irq(bvec, &flags); - if (direction) - hwif->tp_ops->output_data(drive, NULL, data, count); - else - hwif->tp_ops->input_data(drive, NULL, data, count); - bvec_kunmap_irq(data, &flags); + while (bcount) { + count = min(sg->length - pc->b_count, bcount); + if (PageHighMem(sg_page(sg))) { + unsigned long flags; + + local_irq_save(flags); + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + xf(drive, NULL, buf + pc->b_count, count); + kunmap_atomic(buf - sg->offset, KM_IRQ0); + local_irq_restore(flags); + } else { + buf = sg_virt(sg); + xf(drive, NULL, buf + pc->b_count, count); + } bcount -= count; pc->b_count += count; done += count; + + if (pc->b_count == sg->length) { + if (!--pc->sg_cnt) + break; + pc->sg = sg = sg_next(sg); + pc->b_count = 0; + } } idefloppy_end_request(drive, 1, done >> 9); @@ -571,7 +579,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, memcpy(rq->cmd, pc->c, 12); pc->rq = rq; - pc->b_count = cmd == READ ? 0 : rq->bio->bi_size; + pc->b_count = 0; if (rq->cmd_flags & REQ_RW) pc->flags |= PC_FLAG_WRITING; pc->buf = NULL; @@ -585,7 +593,7 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy, idefloppy_init_pc(pc); memcpy(pc->c, rq->cmd, sizeof(pc->c)); pc->rq = rq; - pc->b_count = rq->data_len; + pc->b_count = 0; if (rq->data_len && rq_data_dir(rq) == WRITE) pc->flags |= PC_FLAG_WRITING; pc->buf = rq->data; @@ -602,15 +610,17 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, struct request *rq, sector_t block_s) { idefloppy_floppy_t *floppy = drive->driver_data; + ide_hwif_t *hwif = drive->hwif; struct ide_atapi_pc *pc; unsigned long block = (unsigned long)block_s; - debug_log("dev: %s, cmd_type: %x, errors: %d\n", - rq->rq_disk ? rq->rq_disk->disk_name : "?", - rq->cmd_type, rq->errors); - debug_log("sector: %ld, nr_sectors: %ld, " - "current_nr_sectors: %d\n", (long)rq->sector, - rq->nr_sectors, rq->current_nr_sectors); + debug_log("%s: dev: %s, cmd: 0x%x, cmd_type: %x, errors: %d\n", + __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?", + rq->cmd[0], rq->cmd_type, rq->errors); + + debug_log("%s: sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n", + __func__, (long)rq->sector, rq->nr_sectors, + rq->current_nr_sectors); if (rq->errors >= ERROR_MAX) { if (floppy->failed_pc) @@ -643,6 +653,12 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, return ide_stopped; } + ide_init_sg_cmd(drive, rq); + ide_map_sg(drive, rq); + + pc->sg = hwif->sg_table; + pc->sg_cnt = hwif->sg_nents; + pc->rq = rq; return idefloppy_issue_pc(drive, pc); -- GitLab From 20df429dd6671804999493baf2952f82582869fa Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Fri, 10 Oct 2008 22:39:35 +0200 Subject: [PATCH 3586/6244] ide-generic: handle probing of legacy io-ports v5 Avoid probing the io-ports in case an IDE PCI controller is present and it uses the legacy iobases. If we still want to enforce the probing, we do ide_generic.probe_mask=0x3f on the kernel command line. The iobase checking code is adapted from drivers/ata/pata_legacy.c after converting hex pci ids into their corresponding macros in . Also, check only BAR0/2 resources since those are guaranteed by the workaround in drivers/pci/probe.c:pci_setup_device(). Signed-off-by: Borislav Petkov Acked-by: Sergei Shtylyov Cc: Alan Cox [bart: trivial printk() fixups] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 55 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 51 insertions(+), 4 deletions(-) diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 8fe8b5b9cf7d..0a3cb0c33ae5 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -19,6 +19,7 @@ #include #include #include +#include /* FIXME: convert m32r to use ide_platform host driver */ #ifdef CONFIG_M32R @@ -27,7 +28,7 @@ #define DRV_NAME "ide_generic" -static int probe_mask = 0x03; +static int probe_mask; module_param(probe_mask, int, 0); MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); @@ -100,19 +101,65 @@ static const u16 legacy_bases[] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 }; static const int legacy_irqs[] = { 14, 15, 11, 10, 8, 12 }; #endif +static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) +{ + struct pci_dev *p = NULL; + u16 val; + + for_each_pci_dev(p) { + + if (pci_resource_start(p, 0) == 0x1f0) + *primary = 1; + if (pci_resource_start(p, 2) == 0x170) + *secondary = 1; + + /* Cyrix CS55{1,2}0 pre SFF MWDMA ATA on the bridge */ + if (p->vendor == PCI_VENDOR_ID_CYRIX && + (p->device == PCI_DEVICE_ID_CYRIX_5510 || + p->device == PCI_DEVICE_ID_CYRIX_5520)) + *primary = *secondary = 1; + + /* Intel MPIIX - PIO ATA on non PCI side of bridge */ + if (p->vendor == PCI_VENDOR_ID_INTEL && + p->device == PCI_DEVICE_ID_INTEL_82371MX) { + + pci_read_config_word(p, 0x6C, &val); + if (val & 0x8000) { + /* ATA port enabled */ + if (val & 0x4000) + *secondary = 1; + else + *primary = 1; + } + } + } +} + static int __init ide_generic_init(void) { hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; struct ide_host *host; unsigned long io_addr; - int i, rc; + int i, rc, primary = 0, secondary = 0; #ifdef CONFIG_MIPS if (!ide_probe_legacy()) return -ENODEV; #endif - printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module " - "parameter for probing all legacy ISA IDE ports\n"); + ide_generic_check_pci_legacy_iobases(&primary, &secondary); + + if (!probe_mask) { + printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" " + "module parameter for probing all legacy ISA IDE ports\n"); + + if (primary == 0) + probe_mask |= 0x1; + + if (secondary == 0) + probe_mask |= 0x2; + } else + printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports " + "upon user request\n"); memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS); -- GitLab From 394a4c2101f43bfb5fea7b5d1f5789a14ac018d7 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:35 +0200 Subject: [PATCH 3587/6244] ide-{floppy,tape}: remove request stack * Add 'struct request request_sense_rq' to struct ide_{floppy,tape}_obj and switch ide*_retry_pc() to use it (there can be only one REQUEST SENSE request active for a given device). * Remove no longer needed ide*_next_rq_storage(), rq_stack[] and rq_stack_index. * DBG_PCRQ_STACK -> DBG_PC_STACK * Update comments for IDE*_PC_STACK and idetape_queue_pc_{head,tail}(). There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 22 ++++--------- drivers/ide/ide-tape.c | 68 +++++++--------------------------------- 2 files changed, 18 insertions(+), 72 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 06db5edf9cee..41bb61037da2 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -77,8 +77,8 @@ /* * In various places in the driver, we need to allocate storage for packet - * commands and requests, which will remain valid while we leave the driver to - * wait for an interrupt or a timeout event. + * commands, which will remain valid while we leave the driver to wait for + * an interrupt or a timeout event. */ #define IDEFLOPPY_PC_STACK (10 + IDEFLOPPY_MAX_PC_RETRIES) @@ -108,9 +108,8 @@ typedef struct ide_floppy_obj { struct ide_atapi_pc pc_stack[IDEFLOPPY_PC_STACK]; /* Next free packet command storage space */ int pc_stack_index; - struct request rq_stack[IDEFLOPPY_PC_STACK]; - /* We implement a circular array */ - int rq_stack_index; + + struct request request_sense_rq; /* Last error information */ u8 sense_key, asc, ascq; @@ -306,15 +305,6 @@ static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive) return (&floppy->pc_stack[floppy->pc_stack_index++]); } -static struct request *idefloppy_next_rq_storage(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - - if (floppy->rq_stack_index == IDEFLOPPY_PC_STACK) - floppy->rq_stack_index = 0; - return (&floppy->rq_stack[floppy->rq_stack_index++]); -} - static void ide_floppy_callback(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; @@ -373,12 +363,12 @@ static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) */ static void idefloppy_retry_pc(ide_drive_t *drive) { + struct ide_floppy_obj *floppy = drive->driver_data; + struct request *rq = &floppy->request_sense_rq; struct ide_atapi_pc *pc; - struct request *rq; (void)ide_read_error(drive); pc = idefloppy_next_pc_storage(drive); - rq = idefloppy_next_rq_storage(drive); idefloppy_create_request_sense_cmd(pc); idefloppy_queue_pc_head(drive, pc, rq); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 83014abf330f..dd3533505e3b 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -56,8 +56,8 @@ enum { DBG_CHRDEV = (1 << 2), /* all remaining procedures */ DBG_PROCS = (1 << 3), - /* buffer alloc info (pc_stack & rq_stack) */ - DBG_PCRQ_STACK = (1 << 4), + /* buffer alloc info (pc_stack) */ + DBG_PC_STACK = (1 << 4), }; /* define to see debug info */ @@ -89,9 +89,9 @@ enum { #define IDETAPE_PC_BUFFER_SIZE 256 /* - * In various places in the driver, we need to allocate storage - * for packet commands and requests, which will remain valid while - * we leave the driver to wait for an interrupt or a timeout event. + * In various places in the driver, we need to allocate storage for packet + * commands, which will remain valid while we leave the driver to wait for + * an interrupt or a timeout event. */ #define IDETAPE_PC_STACK (10 + IDETAPE_MAX_PC_RETRIES) @@ -230,9 +230,8 @@ typedef struct ide_tape_obj { struct ide_atapi_pc pc_stack[IDETAPE_PC_STACK]; /* Next free packet command storage space */ int pc_stack_index; - struct request rq_stack[IDETAPE_PC_STACK]; - /* We implement a circular array */ - int rq_stack_index; + + struct request request_sense_rq; /* * DSC polling variables. @@ -462,37 +461,13 @@ static struct ide_atapi_pc *idetape_next_pc_storage(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - debug_log(DBG_PCRQ_STACK, "pc_stack_index=%d\n", tape->pc_stack_index); + debug_log(DBG_PC_STACK, "pc_stack_index=%d\n", tape->pc_stack_index); if (tape->pc_stack_index == IDETAPE_PC_STACK) tape->pc_stack_index = 0; return (&tape->pc_stack[tape->pc_stack_index++]); } -/* - * idetape_next_rq_storage is used along with idetape_next_pc_storage. - * Since we queue packet commands in the request queue, we need to - * allocate a request, along with the allocation of a packet command. - */ - -/************************************************************** - * * - * This should get fixed to use kmalloc(.., GFP_ATOMIC) * - * followed later on by kfree(). -ml * - * * - **************************************************************/ - -static struct request *idetape_next_rq_storage(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - - debug_log(DBG_PCRQ_STACK, "rq_stack_index=%d\n", tape->rq_stack_index); - - if (tape->rq_stack_index == IDETAPE_PC_STACK) - tape->rq_stack_index = 0; - return (&tape->rq_stack[tape->rq_stack_index++]); -} - /* * called on each failed packet command retry to analyze the request sense. We * currently do not utilize this information. @@ -692,17 +667,7 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) /* * Generate a new packet command request in front of the request queue, before * the current request, so that it will be processed immediately, on the next - * pass through the driver. The function below is called from the request - * handling part of the driver (the "bottom" part). Safe storage for the request - * should be allocated with ide_tape_next_{pc,rq}_storage() prior to that. - * - * Memory for those requests is pre-allocated at initialization time, and is - * limited to IDETAPE_PC_STACK requests. We assume that we have enough space for - * the maximum possible number of inter-dependent packet commands. - * - * The higher level of the driver - The ioctl handler and the character device - * handling functions should queue request to the lower level part and wait for - * their completion using idetape_queue_pc_tail or idetape_queue_rw_tail. + * pass through the driver. */ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, struct request *rq) @@ -726,12 +691,12 @@ static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static void idetape_retry_pc(ide_drive_t *drive) { + struct ide_tape_obj *tape = drive->driver_data; + struct request *rq = &tape->request_sense_rq; struct ide_atapi_pc *pc; - struct request *rq; (void)ide_read_error(drive); pc = idetape_next_pc_storage(drive); - rq = idetape_next_rq_storage(drive); idetape_create_request_sense_cmd(pc); set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); idetape_queue_pc_head(drive, pc, rq); @@ -1247,16 +1212,7 @@ static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) /* * We add a special packet command request to the tail of the request queue, and - * wait for it to be serviced. This is not to be called from within the request - * handling part of the driver! We allocate here data on the stack and it is - * valid until the request is finished. This is not the case for the bottom part - * of the driver, where we are always leaving the functions to wait for an - * interrupt or a timer event. - * - * From the bottom part of the driver, we should allocate safe memory using - * idetape_next_pc_storage() and ide_tape_next_rq_storage(), and add the request - * to the request list without waiting for it to be serviced! In that case, we - * usually use idetape_queue_pc_head(). + * wait for it to be serviced. */ static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) { -- GitLab From 2e8a6f89de69d149bde135c2dc89daa9127984a9 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:36 +0200 Subject: [PATCH 3588/6244] ide-{floppy,tape}: remove packet command stack * Add 'struct ide_atapi_pc queued_pc' to struct ide_{floppy,tape}_obj and switch ide*_do_request() to use it (there can be only one active request for a given device). * Add 'struct ide_atapi_pc request_sense_pc' to struct ide_*_obj and switch ide*_retry_pc() to use it. * Remove needless {floppy,tape}->pc assignment from ide*_setup(). * Remove no longer needed ide*_next_pc_storage(), pc_stack[], rq_stack_index, IDE*_PC_STACK and DBG_PC_STACK. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 32 ++++++--------------------- drivers/ide/ide-tape.c | 48 +++++----------------------------------- 2 files changed, 13 insertions(+), 67 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 41bb61037da2..58cd6e6c687d 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -75,13 +75,6 @@ */ #define IDEFLOPPY_PC_BUFFER_SIZE 256 -/* - * In various places in the driver, we need to allocate storage for packet - * commands, which will remain valid while we leave the driver to wait for - * an interrupt or a timeout event. - */ -#define IDEFLOPPY_PC_STACK (10 + IDEFLOPPY_MAX_PC_RETRIES) - /* format capacities descriptor codes */ #define CAPACITY_INVALID 0x00 #define CAPACITY_UNFORMATTED 0x01 @@ -104,11 +97,10 @@ typedef struct ide_floppy_obj { struct ide_atapi_pc *pc; /* Last failed packet command */ struct ide_atapi_pc *failed_pc; - /* Packet command stack */ - struct ide_atapi_pc pc_stack[IDEFLOPPY_PC_STACK]; - /* Next free packet command storage space */ - int pc_stack_index; + /* used for blk_{fs,pc}_request() requests */ + struct ide_atapi_pc queued_pc; + struct ide_atapi_pc request_sense_pc; struct request request_sense_rq; /* Last error information */ @@ -296,15 +288,6 @@ static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_do_drive_cmd(drive, rq); } -static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - - if (floppy->pc_stack_index == IDEFLOPPY_PC_STACK) - floppy->pc_stack_index = 0; - return (&floppy->pc_stack[floppy->pc_stack_index++]); -} - static void ide_floppy_callback(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; @@ -365,10 +348,9 @@ static void idefloppy_retry_pc(ide_drive_t *drive) { struct ide_floppy_obj *floppy = drive->driver_data; struct request *rq = &floppy->request_sense_rq; - struct ide_atapi_pc *pc; + struct ide_atapi_pc *pc = &floppy->request_sense_pc; (void)ide_read_error(drive); - pc = idefloppy_next_pc_storage(drive); idefloppy_create_request_sense_cmd(pc); idefloppy_queue_pc_head(drive, pc, rq); } @@ -629,12 +611,12 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, idefloppy_end_request(drive, 0, 0); return ide_stopped; } - pc = idefloppy_next_pc_storage(drive); + pc = &floppy->queued_pc; idefloppy_create_rw_cmd(floppy, pc, rq, block); } else if (blk_special_request(rq)) { pc = (struct ide_atapi_pc *) rq->buffer; } else if (blk_pc_request(rq)) { - pc = idefloppy_next_pc_storage(drive); + pc = &floppy->queued_pc; idefloppy_blockpc_cmd(floppy, pc, rq); } else { blk_dump_rq_flags(rq, @@ -1010,7 +992,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) u8 gcw[2]; *((u16 *)&gcw) = id[ATA_ID_CONFIG]; - floppy->pc = floppy->pc_stack; + drive->pc_callback = ide_floppy_callback; if (((gcw[0] & 0x60) >> 5) == 1) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index dd3533505e3b..ba05e03f482b 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -56,8 +56,6 @@ enum { DBG_CHRDEV = (1 << 2), /* all remaining procedures */ DBG_PROCS = (1 << 3), - /* buffer alloc info (pc_stack) */ - DBG_PC_STACK = (1 << 4), }; /* define to see debug info */ @@ -88,13 +86,6 @@ enum { */ #define IDETAPE_PC_BUFFER_SIZE 256 -/* - * In various places in the driver, we need to allocate storage for packet - * commands, which will remain valid while we leave the driver to wait for - * an interrupt or a timeout event. - */ -#define IDETAPE_PC_STACK (10 + IDETAPE_MAX_PC_RETRIES) - /* * Some drives (for example, Seagate STT3401A Travan) require a very long * timeout, because they don't return an interrupt or clear their busy bit @@ -208,13 +199,6 @@ typedef struct ide_tape_obj { struct kref kref; /* - * Since a typical character device operation requires more - * than one packet command, we provide here enough memory - * for the maximum of interconnected packet commands. - * The packet commands are stored in the circular array pc_stack. - * pc_stack_index points to the last used entry, and warps around - * to the start when we get to the last array entry. - * * pc points to the current processed packet command. * * failed_pc points to the last failed packet command, or contains @@ -226,11 +210,10 @@ typedef struct ide_tape_obj { struct ide_atapi_pc *pc; /* Last failed packet command */ struct ide_atapi_pc *failed_pc; - /* Packet command stack */ - struct ide_atapi_pc pc_stack[IDETAPE_PC_STACK]; - /* Next free packet command storage space */ - int pc_stack_index; + /* used by REQ_IDETAPE_{READ,WRITE} requests */ + struct ide_atapi_pc queued_pc; + struct ide_atapi_pc request_sense_pc; struct request request_sense_rq; /* @@ -451,23 +434,6 @@ static void idetape_update_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc) pc->bh = bh; } -/* - * idetape_next_pc_storage returns a pointer to a place in which we can - * safely store a packet command, even though we intend to leave the - * driver. A storage space for a maximum of IDETAPE_PC_STACK packet - * commands is allocated at initialization time. - */ -static struct ide_atapi_pc *idetape_next_pc_storage(ide_drive_t *drive) -{ - idetape_tape_t *tape = drive->driver_data; - - debug_log(DBG_PC_STACK, "pc_stack_index=%d\n", tape->pc_stack_index); - - if (tape->pc_stack_index == IDETAPE_PC_STACK) - tape->pc_stack_index = 0; - return (&tape->pc_stack[tape->pc_stack_index++]); -} - /* * called on each failed packet command retry to analyze the request sense. We * currently do not utilize this information. @@ -693,10 +659,9 @@ static void idetape_retry_pc(ide_drive_t *drive) { struct ide_tape_obj *tape = drive->driver_data; struct request *rq = &tape->request_sense_rq; - struct ide_atapi_pc *pc; + struct ide_atapi_pc *pc = &tape->request_sense_pc; (void)ide_read_error(drive); - pc = idetape_next_pc_storage(drive); idetape_create_request_sense_cmd(pc); set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); idetape_queue_pc_head(drive, pc, rq); @@ -1006,12 +971,12 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, return ide_stopped; } if (rq->cmd[13] & REQ_IDETAPE_READ) { - pc = idetape_next_pc_storage(drive); + pc = &tape->queued_pc; ide_tape_create_rw_cmd(tape, pc, rq, READ_6); goto out; } if (rq->cmd[13] & REQ_IDETAPE_WRITE) { - pc = idetape_next_pc_storage(drive); + pc = &tape->queued_pc; ide_tape_create_rw_cmd(tape, pc, rq, WRITE_6); goto out; } @@ -2412,7 +2377,6 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) tape->name[1] = 't'; tape->name[2] = '0' + minor; tape->chrdev_dir = IDETAPE_DIR_NONE; - tape->pc = tape->pc_stack; *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG]; -- GitLab From 4de4b9e1405aef41d199dd20dbce7e9a5dbbf7bf Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:36 +0200 Subject: [PATCH 3589/6244] ide-floppy: remove MODE_SENSE_* defines Only MODE_SENSE_CURRENT (0x00) is ever used so just remove these defines and then drop no longer needed 'type' argument from idefloppy_create_mode_sense_cmd(). Cc: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 58cd6e6c687d..a0a8ad3a3038 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -124,12 +124,6 @@ typedef struct ide_floppy_obj { #define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */ -/* Defines for the MODE SENSE command */ -#define MODE_SENSE_CURRENT 0x00 -#define MODE_SENSE_CHANGEABLE 0x01 -#define MODE_SENSE_DEFAULT 0x02 -#define MODE_SENSE_SAVED 0x03 - /* IOCTLs used in low-level formatting. */ #define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED 0x4600 #define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY 0x4601 @@ -501,14 +495,14 @@ static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b, /* A mode sense command is used to "sense" floppy parameters. */ static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, - u8 page_code, u8 type) + u8 page_code) { u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */ idefloppy_init_pc(pc); pc->c[0] = GPCMD_MODE_SENSE_10; pc->c[1] = 0; - pc->c[2] = page_code + (type << 6); + pc->c[2] = page_code; switch (page_code) { case IDEFLOPPY_CAPABILITIES_PAGE: @@ -669,8 +663,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) u16 transfer_rate, sector_size, cyls, rpm; u8 heads, sectors; - idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE, - MODE_SENSE_CURRENT); + idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); if (idefloppy_queue_pc_tail(drive, &pc)) { printk(KERN_ERR "ide-floppy: Can't get flexible disk page" @@ -718,10 +711,10 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) struct ide_atapi_pc pc; floppy->srfp = 0; - idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE, - MODE_SENSE_CURRENT); + idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE); pc.flags |= PC_FLAG_SUPPRESS_ERROR; + if (idefloppy_queue_pc_tail(drive, &pc)) return 1; -- GitLab From c860f955681ebd83df4a03089f1910fc4b54651f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:36 +0200 Subject: [PATCH 3590/6244] ide-scsi: cleanup ide_scsi_io_buffers() Preparation for ide_{floppy,scsi}_io_buffers() unification. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/scsi/ide-scsi.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index a2d003c5e85f..26e8c3c49474 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -139,29 +139,29 @@ static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_hwif_t *hwif = drive->hwif; const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data; + struct scatterlist *sg = pc->sg; char *buf; int count; while (bcount) { - count = min(pc->sg->length - pc->b_count, bcount); - if (PageHighMem(sg_page(pc->sg))) { + count = min(sg->length - pc->b_count, bcount); + if (PageHighMem(sg_page(sg))) { unsigned long flags; local_irq_save(flags); - buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) + - pc->sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; xf(drive, NULL, buf + pc->b_count, count); - kunmap_atomic(buf - pc->sg->offset, KM_IRQ0); + kunmap_atomic(buf - sg->offset, KM_IRQ0); local_irq_restore(flags); } else { - buf = sg_virt(pc->sg); + buf = sg_virt(sg); xf(drive, NULL, buf + pc->b_count, count); } bcount -= count; pc->b_count += count; - if (pc->b_count == pc->sg->length) { + if (pc->b_count == sg->length) { if (!--pc->sg_cnt) break; - pc->sg = sg_next(pc->sg); + pc->sg = sg = sg_next(sg); pc->b_count = 0; } } -- GitLab From acaa0f5f675ccf6b8a3a11a933419068b1ea1f46 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:36 +0200 Subject: [PATCH 3591/6244] ide: add ide_io_buffers() helper * Make ->io_buffers method return number of bytes transferred. * Use ide_end_request() instead of idefloppy_end_request() in ide_floppy_io_buffers() and then move the call out to ide_pc_intr(). * Add ide_io_buffers() helper and convert ide-{floppy,scsi}.c to use it instead of ide*_io_buffers(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 63 +++++++++++++++++++++++++++++++++++++--- drivers/ide/ide-floppy.c | 47 +----------------------------- drivers/ide/ide-tape.c | 4 ++- drivers/scsi/ide-scsi.c | 46 +---------------------------- include/linux/ide.h | 4 ++- 5 files changed, 67 insertions(+), 97 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 61c52fb665ca..3d44b45650f6 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -61,12 +61,62 @@ int ide_check_atapi_device(ide_drive_t *drive, const char *s) } EXPORT_SYMBOL_GPL(ide_check_atapi_device); +/* PIO data transfer routine using the scatter gather table. */ +int ide_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, + unsigned int bcount, int write) +{ + ide_hwif_t *hwif = drive->hwif; + const struct ide_tp_ops *tp_ops = hwif->tp_ops; + xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data; + struct scatterlist *sg = pc->sg; + char *buf; + int count, done = 0; + + while (bcount) { + count = min(sg->length - pc->b_count, bcount); + + if (PageHighMem(sg_page(sg))) { + unsigned long flags; + + local_irq_save(flags); + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + xf(drive, NULL, buf + pc->b_count, count); + kunmap_atomic(buf - sg->offset, KM_IRQ0); + local_irq_restore(flags); + } else { + buf = sg_virt(sg); + xf(drive, NULL, buf + pc->b_count, count); + } + + bcount -= count; + pc->b_count += count; + done += count; + + if (pc->b_count == sg->length) { + if (!--pc->sg_cnt) + break; + pc->sg = sg = sg_next(sg); + pc->b_count = 0; + } + } + + if (bcount) { + printk(KERN_ERR "%s: %d leftover bytes, %s\n", drive->name, + bcount, write ? "padding with zeros" + : "discarding data"); + ide_pad_transfer(drive, write, bcount); + } + + return done; +} +EXPORT_SYMBOL_GPL(ide_io_buffers); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), - void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) + int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->hwgroup->rq; @@ -219,9 +269,14 @@ cmd_finished: if ((drive->media == ide_floppy && !scsi && !pc->buf) || (drive->media == ide_tape && !scsi && pc->bh) || - (scsi && pc->sg)) - io_buffers(drive, pc, bcount, !!(pc->flags & PC_FLAG_WRITING)); - else + (scsi && pc->sg)) { + int done = io_buffers(drive, pc, bcount, + !!(pc->flags & PC_FLAG_WRITING)); + + /* FIXME: don't do partial completions */ + if (drive->media == ide_floppy && !scsi) + ide_end_request(drive, 1, done >> 9); + } else xferfunc(drive, NULL, pc->cur_pos, bcount); /* Update the current position */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index a0a8ad3a3038..38dca45ffd11 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -208,51 +208,6 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs) return 0; } -static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, - unsigned int bcount, int direction) -{ - ide_hwif_t *hwif = drive->hwif; - const struct ide_tp_ops *tp_ops = hwif->tp_ops; - xfer_func_t *xf = direction ? tp_ops->output_data : tp_ops->input_data; - struct scatterlist *sg = pc->sg; - char *buf; - int count, done = 0; - - while (bcount) { - count = min(sg->length - pc->b_count, bcount); - if (PageHighMem(sg_page(sg))) { - unsigned long flags; - - local_irq_save(flags); - buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; - xf(drive, NULL, buf + pc->b_count, count); - kunmap_atomic(buf - sg->offset, KM_IRQ0); - local_irq_restore(flags); - } else { - buf = sg_virt(sg); - xf(drive, NULL, buf + pc->b_count, count); - } - bcount -= count; - pc->b_count += count; - done += count; - - if (pc->b_count == sg->length) { - if (!--pc->sg_cnt) - break; - pc->sg = sg = sg_next(sg); - pc->b_count = 0; - } - } - - idefloppy_end_request(drive, 1, done >> 9); - - if (bcount) { - printk(KERN_ERR "%s: leftover data in %s, bcount == %d\n", - drive->name, __func__, bcount); - ide_pad_transfer(drive, direction, bcount); - } -} - static void idefloppy_update_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc) { @@ -356,7 +311,7 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers, - idefloppy_retry_pc, NULL, ide_floppy_io_buffers); + idefloppy_retry_pc, NULL, ide_io_buffers); } /* diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index ba05e03f482b..d4a9c471dd13 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -693,13 +693,15 @@ static void ide_tape_handle_dsc(ide_drive_t *drive) idetape_postpone_request(drive); } -static void ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, +static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int bcount, int write) { if (write) idetape_output_buffers(drive, pc, bcount); else idetape_input_buffers(drive, pc, bcount); + + return bcount; } /* diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 26e8c3c49474..27c01e368977 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -130,50 +130,6 @@ static inline idescsi_scsi_t *drive_to_idescsi(ide_drive_t *ide_drive) return scsihost_to_idescsi(ide_drive->driver_data); } -/* - * PIO data transfer routine using the scatter gather table. - */ -static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, - unsigned int bcount, int write) -{ - ide_hwif_t *hwif = drive->hwif; - const struct ide_tp_ops *tp_ops = hwif->tp_ops; - xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data; - struct scatterlist *sg = pc->sg; - char *buf; - int count; - - while (bcount) { - count = min(sg->length - pc->b_count, bcount); - if (PageHighMem(sg_page(sg))) { - unsigned long flags; - - local_irq_save(flags); - buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; - xf(drive, NULL, buf + pc->b_count, count); - kunmap_atomic(buf - sg->offset, KM_IRQ0); - local_irq_restore(flags); - } else { - buf = sg_virt(sg); - xf(drive, NULL, buf + pc->b_count, count); - } - bcount -= count; pc->b_count += count; - if (pc->b_count == sg->length) { - if (!--pc->sg_cnt) - break; - pc->sg = sg = sg_next(sg); - pc->b_count = 0; - } - } - - if (bcount) { - printk(KERN_ERR "%s: scatter gather table too small, %s\n", - drive->name, write ? "padding with zeros" - : "discarding data"); - ide_pad_transfer(drive, write, bcount); - } -} - static void ide_scsi_hex_dump(u8 *data, int len) { print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, data, len, 0); @@ -343,7 +299,7 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc), idescsi_expiry, NULL, NULL, NULL, - ide_scsi_io_buffers); + ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) diff --git a/include/linux/ide.h b/include/linux/ide.h index e63ff63d1f0b..03dc2157a2b5 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1099,6 +1099,8 @@ void ide_tf_read(ide_drive_t *, ide_task_t *); void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int); void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int); +int ide_io_buffers(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int); + extern void SELECT_DRIVE(ide_drive_t *); void SELECT_MASK(ide_drive_t *, int); @@ -1115,7 +1117,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), - void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, + int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int)); ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, ide_handler_t *, unsigned int, ide_expiry_t *); -- GitLab From e996fc8ae96a822f037e25463cb8dac5b93839f7 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:37 +0200 Subject: [PATCH 3592/6244] ide-floppy: add ide_floppy_set_media_lock() helper Add ide_floppy_set_media_lock() helper and convert idefloppy_open(), idefloppy_release() and ide_floppy_lockdoor() to use it. There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 39 ++++++++++++++++----------------------- 1 file changed, 16 insertions(+), 23 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 38dca45ffd11..4bab0932c94a 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1038,6 +1038,17 @@ static ide_driver_t idefloppy_driver = { #endif }; +static void ide_floppy_set_media_lock(ide_drive_t *drive, int on) +{ + struct ide_atapi_pc pc; + + /* IOMEGA Clik! drives do not support lock/unlock commands */ + if ((drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE) == 0) { + idefloppy_create_prevent_cmd(&pc, on); + (void)idefloppy_queue_pc_tail(drive, &pc); + } +} + static int idefloppy_open(struct inode *inode, struct file *filp) { struct gendisk *disk = inode->i_bdev->bd_disk; @@ -1084,12 +1095,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ret = -EROFS; goto out_put_floppy; } + drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED; - /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - idefloppy_create_prevent_cmd(&pc, 1); - (void) idefloppy_queue_pc_tail(drive, &pc); - } + ide_floppy_set_media_lock(drive, 1); check_disk_change(inode->i_bdev); } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) { ret = -EBUSY; @@ -1108,17 +1116,11 @@ static int idefloppy_release(struct inode *inode, struct file *filp) struct gendisk *disk = inode->i_bdev->bd_disk; struct ide_floppy_obj *floppy = ide_floppy_g(disk); ide_drive_t *drive = floppy->drive; - struct ide_atapi_pc pc; debug_log("Reached %s\n", __func__); if (floppy->openers == 1) { - /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - idefloppy_create_prevent_cmd(&pc, 0); - (void) idefloppy_queue_pc_tail(drive, &pc); - } - + ide_floppy_set_media_lock(drive, 0); drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; } @@ -1144,21 +1146,12 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd) { idefloppy_floppy_t *floppy = drive->driver_data; + int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; if (floppy->openers > 1) return -EBUSY; - /* The IOMEGA Clik! Drive doesn't support this command - - * no room for an eject mechanism */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - int prevent = arg ? 1 : 0; - - if (cmd == CDROMEJECT) - prevent = 0; - - idefloppy_create_prevent_cmd(pc, prevent); - (void) idefloppy_queue_pc_tail(floppy->drive, pc); - } + ide_floppy_set_media_lock(drive, prevent); if (cmd == CDROMEJECT) { idefloppy_create_start_stop_cmd(pc, 2); -- GitLab From 385a4b8787c70b708688bee65139f15b0f79f144 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:37 +0200 Subject: [PATCH 3593/6244] ide-tape: add ide_tape_set_media_lock() helper Add ide_tape_set_media_lock() helper and convert idetape_mtioctop(), idetape_chrdev_open() and idetape_chrdev_release() to use it. There should be no functional changes caused by this patch (it is OK to modify ->door_locked if idetape_create_prevent_cmd() fails). Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-tape.c | 39 +++++++++++++++++++-------------------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index d4a9c471dd13..26d5b0576f0a 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1299,6 +1299,16 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive, return 1; } +static int ide_tape_set_media_lock(ide_drive_t *drive, int on) +{ + struct ide_atapi_pc pc; + + if (!idetape_create_prevent_cmd(drive, &pc, on)) + return 0; + + return idetape_queue_pc_tail(drive, &pc); +} + static void __ide_tape_discard_merge_buffer(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; @@ -1927,9 +1937,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) * attempting to eject. */ if (tape->door_locked) { - if (idetape_create_prevent_cmd(drive, &pc, 0)) - if (!idetape_queue_pc_tail(drive, &pc)) - tape->door_locked = DOOR_UNLOCKED; + if (!ide_tape_set_media_lock(drive, 0)) + tape->door_locked = DOOR_UNLOCKED; } ide_tape_discard_merge_buffer(drive, 0); idetape_create_load_unload_cmd(drive, &pc, @@ -1973,17 +1982,13 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) case MTFSR: case MTBSR: case MTLOCK: - if (!idetape_create_prevent_cmd(drive, &pc, 1)) - return 0; - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_tape_set_media_lock(drive, 1); if (retval) return retval; tape->door_locked = DOOR_EXPLICITLY_LOCKED; return 0; case MTUNLOCK: - if (!idetape_create_prevent_cmd(drive, &pc, 0)) - return 0; - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_tape_set_media_lock(drive, 0); if (retval) return retval; tape->door_locked = DOOR_UNLOCKED; @@ -2085,7 +2090,6 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) unsigned int minor = iminor(inode), i = minor & ~0xc0; ide_drive_t *drive; idetape_tape_t *tape; - struct ide_atapi_pc pc; int retval; if (i >= MAX_HWIFS * MAX_DRIVES) @@ -2148,11 +2152,9 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) /* Lock the tape drive door so user can't eject. */ if (tape->chrdev_dir == IDETAPE_DIR_NONE) { - if (idetape_create_prevent_cmd(drive, &pc, 1)) { - if (!idetape_queue_pc_tail(drive, &pc)) { - if (tape->door_locked != DOOR_EXPLICITLY_LOCKED) - tape->door_locked = DOOR_LOCKED; - } + if (!ide_tape_set_media_lock(drive, 1)) { + if (tape->door_locked != DOOR_EXPLICITLY_LOCKED) + tape->door_locked = DOOR_LOCKED; } } unlock_kernel(); @@ -2185,7 +2187,6 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) { struct ide_tape_obj *tape = ide_tape_f(filp); ide_drive_t *drive = tape->drive; - struct ide_atapi_pc pc; unsigned int minor = iminor(inode); lock_kernel(); @@ -2204,10 +2205,8 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) (void) idetape_rewind_tape(drive); if (tape->chrdev_dir == IDETAPE_DIR_NONE) { if (tape->door_locked == DOOR_LOCKED) { - if (idetape_create_prevent_cmd(drive, &pc, 0)) { - if (!idetape_queue_pc_tail(drive, &pc)) - tape->door_locked = DOOR_UNLOCKED; - } + if (!ide_tape_set_media_lock(drive, 0)) + tape->door_locked = DOOR_UNLOCKED; } } clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags); -- GitLab From 7bf7420a318978cd6042e5a5da34b7cfa18ae559 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:37 +0200 Subject: [PATCH 3594/6244] ide: add ide_init_pc() helper * Add IDE_PC_BUFFER_SIZE define. * Add ide_init_pc() and convert ide-{floppy,tape}.c to use it instead of ide*_init_pc(). * Remove no longer used IDE*_PC_BUFFER_SIZE and ide*_init_pc(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 8 ++++++++ drivers/ide/ide-floppy.c | 31 ++++++++-------------------- drivers/ide/ide-tape.c | 44 ++++++++++++---------------------------- include/linux/ide.h | 10 ++++++++- 4 files changed, 39 insertions(+), 54 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 3d44b45650f6..8f0842ce77f5 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -111,6 +111,14 @@ int ide_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, } EXPORT_SYMBOL_GPL(ide_io_buffers); +void ide_init_pc(struct ide_atapi_pc *pc) +{ + memset(pc, 0, sizeof(*pc)); + pc->buf = pc->pc_buf; + pc->buf_size = IDE_PC_BUFFER_SIZE; +} +EXPORT_SYMBOL_GPL(ide_init_pc); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 4bab0932c94a..e04eaa49a8bf 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -69,12 +69,6 @@ */ #define IDEFLOPPY_MAX_PC_RETRIES 3 -/* - * With each packet command, we allocate a buffer of IDEFLOPPY_PC_BUFFER_SIZE - * bytes. - */ -#define IDEFLOPPY_PC_BUFFER_SIZE 256 - /* format capacities descriptor codes */ #define CAPACITY_INVALID 0x00 #define CAPACITY_UNFORMATTED 0x01 @@ -274,16 +268,9 @@ static void ide_floppy_callback(ide_drive_t *drive) idefloppy_end_request(drive, uptodate, 0); } -static void idefloppy_init_pc(struct ide_atapi_pc *pc) -{ - memset(pc, 0, sizeof(*pc)); - pc->buf = pc->pc_buf; - pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE; -} - static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) { - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_REQUEST_SENSE; pc->c[4] = 255; pc->req_xfer = 18; @@ -413,14 +400,14 @@ static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent) { debug_log("creating prevent removal command, prevent = %d\n", prevent); - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; pc->c[4] = prevent; } static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) { - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES; pc->c[7] = 255; pc->c[8] = 255; @@ -430,7 +417,7 @@ static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b, int l, int flags) { - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_FORMAT_UNIT; pc->c[1] = 0x17; @@ -454,7 +441,7 @@ static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, { u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */ - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_MODE_SENSE_10; pc->c[1] = 0; pc->c[2] = page_code; @@ -476,7 +463,7 @@ static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start) { - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = GPCMD_START_STOP_UNIT; pc->c[4] = start; } @@ -492,7 +479,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, debug_log("create_rw10_cmd: block == %d, blocks == %d\n", block, blocks); - idefloppy_init_pc(pc); + ide_init_pc(pc); pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10; put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]); put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]); @@ -511,7 +498,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy, struct ide_atapi_pc *pc, struct request *rq) { - idefloppy_init_pc(pc); + ide_init_pc(pc); memcpy(pc->c, rq->cmd, sizeof(pc->c)); pc->rq = rq; pc->b_count = 0; @@ -1071,7 +1058,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp) drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; /* Just in case */ - idefloppy_init_pc(&pc); + ide_init_pc(&pc); pc.c[0] = GPCMD_TEST_UNIT_READY; if (idefloppy_queue_pc_tail(drive, &pc)) { diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 26d5b0576f0a..5c879fbcca87 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -80,12 +80,6 @@ enum { */ #define IDETAPE_MAX_PC_RETRIES 3 -/* - * With each packet command, we allocate a buffer of IDETAPE_PC_BUFFER_SIZE - * bytes. This is used for several packet commands (Not for READ/WRITE commands) - */ -#define IDETAPE_PC_BUFFER_SIZE 256 - /* * Some drives (for example, Seagate STT3401A Travan) require a very long * timeout, because they don't return an interrupt or clear their busy bit @@ -610,21 +604,9 @@ static void ide_tape_callback(ide_drive_t *drive) idetape_end_request(drive, uptodate, 0); } -static void idetape_init_pc(struct ide_atapi_pc *pc) -{ - memset(pc->c, 0, 12); - pc->retries = 0; - pc->flags = 0; - pc->req_xfer = 0; - pc->buf = pc->pc_buf; - pc->buf_size = IDETAPE_PC_BUFFER_SIZE; - pc->bh = NULL; - pc->b_data = NULL; -} - static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = REQUEST_SENSE; pc->c[4] = 20; pc->req_xfer = 20; @@ -816,7 +798,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, /* A mode sense command is used to "sense" tape parameters. */ static void idetape_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = MODE_SENSE; if (page_code != IDETAPE_BLOCK_DESCRIPTOR) /* DBD = 1 - Don't return block descriptors */ @@ -875,7 +857,7 @@ static void ide_tape_create_rw_cmd(idetape_tape_t *tape, struct idetape_bh *bh = (struct idetape_bh *)rq->special; unsigned int length = rq->current_nr_sectors; - idetape_init_pc(pc); + ide_init_pc(pc); put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); pc->c[1] = 1; pc->bh = bh; @@ -1165,7 +1147,7 @@ static void idetape_init_merge_buffer(idetape_tape_t *tape) static void idetape_create_write_filemark_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, int write_filemark) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = WRITE_FILEMARKS; pc->c[4] = write_filemark; pc->flags |= PC_FLAG_WAIT_FOR_DSC; @@ -1173,7 +1155,7 @@ static void idetape_create_write_filemark_cmd(ide_drive_t *drive, static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = TEST_UNIT_READY; } @@ -1200,7 +1182,7 @@ static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) static void idetape_create_load_unload_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, int cmd) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = START_STOP; pc->c[4] = cmd; pc->flags |= PC_FLAG_WAIT_FOR_DSC; @@ -1252,7 +1234,7 @@ static int idetape_flush_tape_buffers(ide_drive_t *drive) static void idetape_create_read_position_cmd(struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = READ_POSITION; pc->req_xfer = 20; } @@ -1276,7 +1258,7 @@ static void idetape_create_locate_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int block, u8 partition, int skip) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = POSITION_TO_ELEMENT; pc->c[1] = 2; put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[3]); @@ -1293,7 +1275,7 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive, if (!(tape->caps[6] & 0x01)) return 0; - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = ALLOW_MEDIUM_REMOVAL; pc->c[4] = prevent; return 1; @@ -1408,7 +1390,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks, static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = INQUIRY; pc->c[4] = 254; pc->req_xfer = 254; @@ -1417,14 +1399,14 @@ static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc) static void idetape_create_rewind_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = REZERO_UNIT; pc->flags |= PC_FLAG_WAIT_FOR_DSC; } static void idetape_create_erase_cmd(struct ide_atapi_pc *pc) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = ERASE; pc->c[1] = 1; pc->flags |= PC_FLAG_WAIT_FOR_DSC; @@ -1432,7 +1414,7 @@ static void idetape_create_erase_cmd(struct ide_atapi_pc *pc) static void idetape_create_space_cmd(struct ide_atapi_pc *pc, int count, u8 cmd) { - idetape_init_pc(pc); + ide_init_pc(pc); pc->c[0] = SPACE; put_unaligned(cpu_to_be32(count), (unsigned int *) &pc->c[1]); pc->c[1] = cmd; diff --git a/include/linux/ide.h b/include/linux/ide.h index 03dc2157a2b5..bba2f73b99a0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -724,6 +724,12 @@ enum { PC_FLAG_TIMEDOUT = (1 << 7), }; +/* + * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes. + * This is used for several packet commands (not for READ/WRITE commands). + */ +#define IDE_PC_BUFFER_SIZE 256 + struct ide_atapi_pc { /* actual packet bytes */ u8 c[12]; @@ -753,7 +759,7 @@ struct ide_atapi_pc { * those are more or less driver-specific and some of them are subject * to change/removal later. */ - u8 pc_buf[256]; + u8 pc_buf[IDE_PC_BUFFER_SIZE]; /* idetape only */ struct idetape_bh *bh; @@ -1113,6 +1119,8 @@ void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); int ide_check_atapi_device(ide_drive_t *, const char *); +void ide_init_pc(struct ide_atapi_pc *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), -- GitLab From 7645c1514c7d34ebdf3ea0e8ee3a935c08abceb2 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:37 +0200 Subject: [PATCH 3595/6244] ide: add ide_queue_pc_head() helper * Move REQ_IDETAPE_* enums to . * Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it instead of ide*_queue_pc_head(). * Remove no longer used ide*_queue_pc_head(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 20 ++++++++++++++++++++ drivers/ide/ide-floppy.c | 21 +-------------------- drivers/ide/ide-tape.c | 36 +----------------------------------- include/linux/ide.h | 16 ++++++++++++++++ 4 files changed, 38 insertions(+), 55 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 8f0842ce77f5..da71bfce92e8 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -119,6 +119,26 @@ void ide_init_pc(struct ide_atapi_pc *pc) } EXPORT_SYMBOL_GPL(ide_init_pc); +/* + * Generate a new packet command request in front of the request queue, before + * the current request, so that it will be processed immediately, on the next + * pass through the driver. + */ +void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk, + struct ide_atapi_pc *pc, struct request *rq) +{ + blk_rq_init(NULL, rq); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_flags |= REQ_PREEMPT; + rq->buffer = (char *)pc; + rq->rq_disk = disk; + memcpy(rq->cmd, pc->c, 12); + if (drive->media == ide_tape) + rq->cmd[13] = REQ_IDETAPE_PC1; + ide_do_drive_cmd(drive, rq); +} +EXPORT_SYMBOL_GPL(ide_queue_pc_head); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index e04eaa49a8bf..ddce28e77a4e 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -212,25 +212,6 @@ static void idefloppy_update_buffers(ide_drive_t *drive, idefloppy_end_request(drive, 1, 0); } -/* - * Generate a new packet command request in front of the request queue, before - * the current request so that it will be processed immediately, on the next - * pass through the driver. - */ -static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, - struct request *rq) -{ - struct ide_floppy_obj *floppy = drive->driver_data; - - blk_rq_init(NULL, rq); - rq->buffer = (char *) pc; - rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd_flags |= REQ_PREEMPT; - rq->rq_disk = floppy->disk; - memcpy(rq->cmd, pc->c, 12); - ide_do_drive_cmd(drive, rq); -} - static void ide_floppy_callback(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; @@ -288,7 +269,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive) (void)ide_read_error(drive); idefloppy_create_request_sense_cmd(pc); - idefloppy_queue_pc_head(drive, pc, rq); + ide_queue_pc_head(drive, floppy->disk, pc, rq); } /* The usual interrupt handler called during a packet command. */ diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 5c879fbcca87..7103b98eb53a 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -159,20 +159,6 @@ struct idetape_bh { #define IDETAPE_LU_RETENSION_MASK 2 #define IDETAPE_LU_EOT_MASK 4 -/* - * Special requests for our block device strategy routine. - * - * In order to service a character device command, we add special requests to - * the tail of our block device request queue and wait for their completion. - */ - -enum { - REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */ - REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */ - REQ_IDETAPE_READ = (1 << 2), - REQ_IDETAPE_WRITE = (1 << 3), -}; - /* Error codes returned in rq->errors to the higher part of the driver. */ #define IDETAPE_ERROR_GENERAL 101 #define IDETAPE_ERROR_FILEMARK 102 @@ -612,26 +598,6 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) pc->req_xfer = 20; } -/* - * Generate a new packet command request in front of the request queue, before - * the current request, so that it will be processed immediately, on the next - * pass through the driver. - */ -static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, - struct request *rq) -{ - struct ide_tape_obj *tape = drive->driver_data; - - blk_rq_init(NULL, rq); - rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd_flags |= REQ_PREEMPT; - rq->buffer = (char *) pc; - rq->rq_disk = tape->disk; - memcpy(rq->cmd, pc->c, 12); - rq->cmd[13] = REQ_IDETAPE_PC1; - ide_do_drive_cmd(drive, rq); -} - /* * idetape_retry_pc is called when an error was detected during the * last packet command. We queue a request sense packet command in @@ -646,7 +612,7 @@ static void idetape_retry_pc(ide_drive_t *drive) (void)ide_read_error(drive); idetape_create_request_sense_cmd(pc); set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); - idetape_queue_pc_head(drive, pc, rq); + ide_queue_pc_head(drive, tape->disk, pc, rq); } /* diff --git a/include/linux/ide.h b/include/linux/ide.h index bba2f73b99a0..1bd49784e4da 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1121,6 +1121,22 @@ int ide_check_atapi_device(ide_drive_t *, const char *); void ide_init_pc(struct ide_atapi_pc *); +/* + * Special requests for ide-tape block device strategy routine. + * + * In order to service a character device command, we add special requests to + * the tail of our block device request queue and wait for their completion. + */ +enum { + REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */ + REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */ + REQ_IDETAPE_READ = (1 << 2), + REQ_IDETAPE_WRITE = (1 << 3), +}; + +void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, + struct request *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), -- GitLab From 2ac07d920604eeee8966d52e70161f9b31fe90a3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:38 +0200 Subject: [PATCH 3596/6244] ide: add ide_queue_pc_tail() helper * Add ide_queue_pc_tail() and convert ide-{floppy,tape}.c to use it instead of ide*_queue_pc_tail(). * Remove no longer used ide*_queue_pc_tail(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 23 ++++++++++++++ drivers/ide/ide-floppy.c | 49 ++++++++++------------------ drivers/ide/ide-tape.c | 69 ++++++++++++++++------------------------ include/linux/ide.h | 1 + 4 files changed, 69 insertions(+), 73 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index da71bfce92e8..f82ddfb9a44e 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -139,6 +139,29 @@ void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk, } EXPORT_SYMBOL_GPL(ide_queue_pc_head); +/* + * Add a special packet command request to the tail of the request queue, + * and wait for it to be serviced. + */ +int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, + struct ide_atapi_pc *pc) +{ + struct request *rq; + int error; + + rq = blk_get_request(drive->queue, READ, __GFP_WAIT); + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->buffer = (char *)pc; + memcpy(rq->cmd, pc->c, 12); + if (drive->media == ide_tape) + rq->cmd[13] = REQ_IDETAPE_PC1; + error = blk_execute_rq(drive->queue, disk, rq, 0); + blk_put_request(rq); + + return error; +} +EXPORT_SYMBOL_GPL(ide_queue_pc_tail); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index ddce28e77a4e..de611c57b280 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -553,26 +553,6 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, return idefloppy_issue_pc(drive, pc); } -/* - * Add a special packet command request to the tail of the request queue, - * and wait for it to be serviced. - */ -static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) -{ - struct ide_floppy_obj *floppy = drive->driver_data; - struct request *rq; - int error; - - rq = blk_get_request(drive->queue, READ, __GFP_WAIT); - rq->buffer = (char *) pc; - rq->cmd_type = REQ_TYPE_SPECIAL; - memcpy(rq->cmd, pc->c, 12); - error = blk_execute_rq(drive->queue, floppy->disk, rq, 0); - blk_put_request(rq); - - return error; -} - /* * Look at the flexible disk page parameters. We ignore the CHS capacity * parameters and use the LBA parameters instead. @@ -580,6 +560,7 @@ static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; + struct gendisk *disk = floppy->disk; struct ide_atapi_pc pc; u8 *page; int capacity, lba_capacity; @@ -588,13 +569,13 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); - if (idefloppy_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, disk, &pc)) { printk(KERN_ERR "ide-floppy: Can't get flexible disk page" " parameters\n"); return 1; } floppy->wp = !!(pc.buf[3] & 0x80); - set_disk_ro(floppy->disk, floppy->wp); + set_disk_ro(disk, floppy->wp); page = &pc.buf[8]; transfer_rate = be16_to_cpup((__be16 *)&pc.buf[8 + 2]); @@ -638,7 +619,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE); pc.flags |= PC_FLAG_SUPPRESS_ERROR; - if (idefloppy_queue_pc_tail(drive, &pc)) + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) return 1; floppy->srfp = pc.buf[8 + 2] & 0x40; @@ -652,6 +633,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) static int ide_floppy_get_capacity(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; + struct gendisk *disk = floppy->disk; struct ide_atapi_pc pc; u8 *cap_desc; u8 header_len, desc_cnt; @@ -664,7 +646,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) set_capacity(floppy->disk, 0); idefloppy_create_read_capacity_cmd(&pc); - if (idefloppy_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, disk, &pc)) { printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); return 1; } @@ -739,7 +721,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) (void) ide_floppy_get_flexible_disk_page(drive); - set_capacity(floppy->disk, floppy->blocks * floppy->bs_factor); + set_capacity(disk, floppy->blocks * floppy->bs_factor); + return rc; } @@ -764,6 +747,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) { + struct ide_floppy_obj *floppy = drive->driver_data; struct ide_atapi_pc pc; u8 header_len, desc_cnt; int i, blocks, length, u_array_size, u_index; @@ -776,7 +760,7 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) return -EINVAL; idefloppy_create_read_capacity_cmd(&pc); - if (idefloppy_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) { printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); return -EIO; } @@ -838,7 +822,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) if (floppy->srfp) { idefloppy_create_request_sense_cmd(&pc); - if (idefloppy_queue_pc_tail(drive, &pc)) + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) return -EIO; if (floppy->sense_key == 2 && @@ -1008,12 +992,13 @@ static ide_driver_t idefloppy_driver = { static void ide_floppy_set_media_lock(ide_drive_t *drive, int on) { + struct ide_floppy_obj *floppy = drive->driver_data; struct ide_atapi_pc pc; /* IOMEGA Clik! drives do not support lock/unlock commands */ if ((drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE) == 0) { idefloppy_create_prevent_cmd(&pc, on); - (void)idefloppy_queue_pc_tail(drive, &pc); + (void)ide_queue_pc_tail(drive, floppy->disk, &pc); } } @@ -1042,9 +1027,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ide_init_pc(&pc); pc.c[0] = GPCMD_TEST_UNIT_READY; - if (idefloppy_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, disk, &pc)) { idefloppy_create_start_stop_cmd(&pc, 1); - (void) idefloppy_queue_pc_tail(drive, &pc); + (void)ide_queue_pc_tail(drive, disk, &pc); } if (ide_floppy_get_capacity(drive) @@ -1123,7 +1108,7 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, if (cmd == CDROMEJECT) { idefloppy_create_start_stop_cmd(pc, 2); - (void) idefloppy_queue_pc_tail(floppy->drive, pc); + (void)ide_queue_pc_tail(drive, floppy->disk, pc); } return 0; @@ -1168,7 +1153,7 @@ static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg) (void) idefloppy_get_sfrp_bit(drive); idefloppy_create_format_unit_cmd(&pc, blocks, length, flags); - if (idefloppy_queue_pc_tail(drive, &pc)) + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) err = -EIO; out: diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 7103b98eb53a..88cb94554267 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1125,26 +1125,6 @@ static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) pc->c[0] = TEST_UNIT_READY; } -/* - * We add a special packet command request to the tail of the request queue, and - * wait for it to be serviced. - */ -static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) -{ - struct ide_tape_obj *tape = drive->driver_data; - struct request *rq; - int error; - - rq = blk_get_request(drive->queue, READ, __GFP_WAIT); - rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[13] = REQ_IDETAPE_PC1; - rq->buffer = (char *)pc; - memcpy(rq->cmd, pc->c, 12); - error = blk_execute_rq(drive->queue, tape->disk, rq, 0); - blk_put_request(rq); - return error; -} - static void idetape_create_load_unload_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, int cmd) { @@ -1157,6 +1137,7 @@ static void idetape_create_load_unload_cmd(ide_drive_t *drive, static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) { idetape_tape_t *tape = drive->driver_data; + struct gendisk *disk = tape->disk; struct ide_atapi_pc pc; int load_attempted = 0; @@ -1165,7 +1146,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) timeout += jiffies; while (time_before(jiffies, timeout)) { idetape_create_test_unit_ready_cmd(&pc); - if (!idetape_queue_pc_tail(drive, &pc)) + if (!ide_queue_pc_tail(drive, disk, &pc)) return 0; if ((tape->sense_key == 2 && tape->asc == 4 && tape->ascq == 2) || (tape->asc == 0x3A)) { @@ -1174,7 +1155,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) return -ENOMEDIUM; idetape_create_load_unload_cmd(drive, &pc, IDETAPE_LU_LOAD_MASK); - idetape_queue_pc_tail(drive, &pc); + ide_queue_pc_tail(drive, disk, &pc); load_attempted = 1; /* not about to be ready */ } else if (!(tape->sense_key == 2 && tape->asc == 4 && @@ -1187,11 +1168,12 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) static int idetape_flush_tape_buffers(ide_drive_t *drive) { + struct ide_tape_obj *tape = drive->driver_data; struct ide_atapi_pc pc; int rc; idetape_create_write_filemark_cmd(drive, &pc, 0); - rc = idetape_queue_pc_tail(drive, &pc); + rc = ide_queue_pc_tail(drive, tape->disk, &pc); if (rc) return rc; idetape_wait_ready(drive, 60 * 5 * HZ); @@ -1214,7 +1196,7 @@ static int idetape_read_position(ide_drive_t *drive) debug_log(DBG_PROCS, "Enter %s\n", __func__); idetape_create_read_position_cmd(&pc); - if (idetape_queue_pc_tail(drive, &pc)) + if (ide_queue_pc_tail(drive, tape->disk, &pc)) return -1; position = tape->first_frame; return position; @@ -1249,12 +1231,13 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive, static int ide_tape_set_media_lock(ide_drive_t *drive, int on) { + struct ide_tape_obj *tape = drive->driver_data; struct ide_atapi_pc pc; if (!idetape_create_prevent_cmd(drive, &pc, on)) return 0; - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, tape->disk, &pc); } static void __ide_tape_discard_merge_buffer(ide_drive_t *drive) @@ -1284,6 +1267,7 @@ static int idetape_position_tape(ide_drive_t *drive, unsigned int block, u8 partition, int skip) { idetape_tape_t *tape = drive->driver_data; + struct gendisk *disk = tape->disk; int retval; struct ide_atapi_pc pc; @@ -1291,12 +1275,12 @@ static int idetape_position_tape(ide_drive_t *drive, unsigned int block, __ide_tape_discard_merge_buffer(drive); idetape_wait_ready(drive, 60 * 5 * HZ); idetape_create_locate_cmd(drive, &pc, block, partition, skip); - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_queue_pc_tail(drive, disk, &pc); if (retval) return (retval); idetape_create_read_position_cmd(&pc); - return (idetape_queue_pc_tail(drive, &pc)); + return ide_queue_pc_tail(drive, disk, &pc); } static void ide_tape_discard_merge_buffer(ide_drive_t *drive, @@ -1543,20 +1527,20 @@ static void idetape_pad_zeros(ide_drive_t *drive, int bcount) */ static int idetape_rewind_tape(ide_drive_t *drive) { + struct ide_tape_obj *tape = drive->driver_data; + struct gendisk *disk = tape->disk; int retval; struct ide_atapi_pc pc; - idetape_tape_t *tape; - tape = drive->driver_data; debug_log(DBG_SENSE, "Enter %s\n", __func__); idetape_create_rewind_cmd(drive, &pc); - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_queue_pc_tail(drive, disk, &pc); if (retval) return retval; idetape_create_read_position_cmd(&pc); - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_queue_pc_tail(drive, disk, &pc); if (retval) return retval; return 0; @@ -1599,6 +1583,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, int mt_count) { idetape_tape_t *tape = drive->driver_data; + struct gendisk *disk = tape->disk; struct ide_atapi_pc pc; int retval, count = 0; int sprev = !!(tape->caps[4] & 0x20); @@ -1623,7 +1608,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, case MTBSF: idetape_create_space_cmd(&pc, mt_count - count, IDETAPE_SPACE_OVER_FILEMARK); - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, disk, &pc); case MTFSFM: case MTBSFM: if (!sprev) @@ -1812,11 +1797,12 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf, static int idetape_write_filemark(ide_drive_t *drive) { + struct ide_tape_obj *tape = drive->driver_data; struct ide_atapi_pc pc; /* Write a filemark */ idetape_create_write_filemark_cmd(drive, &pc, 1); - if (idetape_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, tape->disk, &pc)) { printk(KERN_ERR "ide-tape: Couldn't write a filemark\n"); return -EIO; } @@ -1839,6 +1825,7 @@ static int idetape_write_filemark(ide_drive_t *drive) static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) { idetape_tape_t *tape = drive->driver_data; + struct gendisk *disk = tape->disk; struct ide_atapi_pc pc; int i, retval; @@ -1877,7 +1864,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) ide_tape_discard_merge_buffer(drive, 0); idetape_create_load_unload_cmd(drive, &pc, IDETAPE_LU_LOAD_MASK); - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, disk, &pc); case MTUNLOAD: case MTOFFL: /* @@ -1891,7 +1878,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) ide_tape_discard_merge_buffer(drive, 0); idetape_create_load_unload_cmd(drive, &pc, !IDETAPE_LU_LOAD_MASK); - retval = idetape_queue_pc_tail(drive, &pc); + retval = ide_queue_pc_tail(drive, disk, &pc); if (!retval) clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags); return retval; @@ -1902,14 +1889,14 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) ide_tape_discard_merge_buffer(drive, 0); idetape_create_load_unload_cmd(drive, &pc, IDETAPE_LU_RETENSION_MASK | IDETAPE_LU_LOAD_MASK); - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, disk, &pc); case MTEOM: idetape_create_space_cmd(&pc, 0, IDETAPE_SPACE_TO_EOD); - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, disk, &pc); case MTERASE: (void)idetape_rewind_tape(drive); idetape_create_erase_cmd(&pc); - return idetape_queue_pc_tail(drive, &pc); + return ide_queue_pc_tail(drive, disk, &pc); case MTSETBLK: if (mt_count) { if (mt_count < tape->blk_size || @@ -2018,7 +2005,7 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive) struct ide_atapi_pc pc; idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR); - if (idetape_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, tape->disk, &pc)) { printk(KERN_ERR "ide-tape: Can't get block descriptor\n"); if (tape->blk_size == 0) { printk(KERN_WARNING "ide-tape: Cannot deal with zero " @@ -2170,7 +2157,7 @@ static void idetape_get_inquiry_results(ide_drive_t *drive) char fw_rev[4], vendor_id[8], product_id[16]; idetape_create_inquiry_cmd(&pc); - if (idetape_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, tape->disk, &pc)) { printk(KERN_ERR "ide-tape: %s: can't get INQUIRY results\n", tape->name); return; @@ -2199,7 +2186,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive) u8 speed, max_speed; idetape_create_mode_sense_cmd(&pc, IDETAPE_CAPABILITIES_PAGE); - if (idetape_queue_pc_tail(drive, &pc)) { + if (ide_queue_pc_tail(drive, tape->disk, &pc)) { printk(KERN_ERR "ide-tape: Can't get tape parameters - assuming" " some default values\n"); tape->blk_size = 512; diff --git a/include/linux/ide.h b/include/linux/ide.h index 1bd49784e4da..b5be2368c96e 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1136,6 +1136,7 @@ enum { void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, struct request *); +int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *); ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, -- GitLab From 49cac39e71bd6bbcf934c6ba837e21503902c088 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:38 +0200 Subject: [PATCH 3597/6244] ide-floppy: ->{srfp,wp} -> IDE_AFLAG_{SRFP,WP} Add IDE_AFLAG_{SRFP,WP} drive->atapi_flags and use them instead of ->{srfp,wp} struct ide_floppy_obj fields. There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 24 ++++++++++++++---------- include/linux/ide.h | 18 +++++++++++------- 2 files changed, 25 insertions(+), 17 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index de611c57b280..78d92835a3c1 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -110,10 +110,6 @@ typedef struct ide_floppy_obj { u8 cap_desc[8]; /* Copy of the flexible disk page */ u8 flexible_disk_page[32]; - /* Write protect */ - int wp; - /* Supports format progress report */ - int srfp; } idefloppy_floppy_t; #define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */ @@ -574,8 +570,14 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) " parameters\n"); return 1; } - floppy->wp = !!(pc.buf[3] & 0x80); - set_disk_ro(disk, floppy->wp); + + if (pc.buf[3] & 0x80) + drive->atapi_flags |= IDE_AFLAG_WP; + else + drive->atapi_flags &= ~IDE_AFLAG_WP; + + set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP)); + page = &pc.buf[8]; transfer_rate = be16_to_cpup((__be16 *)&pc.buf[8 + 2]); @@ -614,7 +616,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) idefloppy_floppy_t *floppy = drive->driver_data; struct ide_atapi_pc pc; - floppy->srfp = 0; + drive->atapi_flags &= ~IDE_AFLAG_SRFP; idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE); pc.flags |= PC_FLAG_SUPPRESS_ERROR; @@ -622,7 +624,9 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive) if (ide_queue_pc_tail(drive, floppy->disk, &pc)) return 1; - floppy->srfp = pc.buf[8 + 2] & 0x40; + if (pc.buf[8 + 2] & 0x40) + drive->atapi_flags |= IDE_AFLAG_SRFP; + return 0; } @@ -820,7 +824,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) struct ide_atapi_pc pc; int progress_indication = 0x10000; - if (floppy->srfp) { + if (drive->atapi_flags & IDE_AFLAG_SRFP) { idefloppy_create_request_sense_cmd(&pc); if (ide_queue_pc_tail(drive, floppy->disk, &pc)) return -EIO; @@ -1044,7 +1048,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp) goto out_put_floppy; } - if (floppy->wp && (filp->f_mode & 2)) { + if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) { ret = -EROFS; goto out_put_floppy; } diff --git a/include/linux/ide.h b/include/linux/ide.h index b5be2368c96e..cc41a885688a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -356,21 +356,25 @@ enum { IDE_AFLAG_CLIK_DRIVE = (1 << 19), /* Requires BH algorithm for packets */ IDE_AFLAG_ZIP_DRIVE = (1 << 20), + /* Write protect */ + IDE_AFLAG_WP = (1 << 21), + /* Supports format progress report */ + IDE_AFLAG_SRFP = (1 << 22), /* ide-tape */ - IDE_AFLAG_IGNORE_DSC = (1 << 21), + IDE_AFLAG_IGNORE_DSC = (1 << 23), /* 0 When the tape position is unknown */ - IDE_AFLAG_ADDRESS_VALID = (1 << 22), + IDE_AFLAG_ADDRESS_VALID = (1 << 24), /* Device already opened */ - IDE_AFLAG_BUSY = (1 << 23), + IDE_AFLAG_BUSY = (1 << 25), /* Attempt to auto-detect the current user block size */ - IDE_AFLAG_DETECT_BS = (1 << 24), + IDE_AFLAG_DETECT_BS = (1 << 26), /* Currently on a filemark */ - IDE_AFLAG_FILEMARK = (1 << 25), + IDE_AFLAG_FILEMARK = (1 << 27), /* 0 = no tape is loaded, so we don't rewind after ejecting */ - IDE_AFLAG_MEDIUM_PRESENT = (1 << 26), + IDE_AFLAG_MEDIUM_PRESENT = (1 << 28), - IDE_AFLAG_NO_AUTOCLOSE = (1 << 27), + IDE_AFLAG_NO_AUTOCLOSE = (1 << 29), }; struct ide_drive_s { -- GitLab From 0127854d7c96612a454bed6de242e28f8021fa7f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:38 +0200 Subject: [PATCH 3598/6244] ide-floppy: move floppy ioctls handling to ide-floppy_ioctl.c While at it: - idefloppy_create_read_capacity_cmd() -> ide_floppy_create_read_capacity_cmd() - idefloppy_create_mode_sense_cmd() -> ide_floppy_create_mode_sense_cmd() - idefloppy_create_request_sense_cmd() -> ide_floppy_create_request_sense_cmd() - idefloppy_create_format_unit_cmd() -> ide_floppy_create_format_unit_cmd() - idefloppy_get_sfrp_bit() -> ide_floppy_get_sfrp_bit() Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 3 +- drivers/ide/ide-floppy.c | 296 +-------------------------------- drivers/ide/ide-floppy.h | 63 +++++++ drivers/ide/ide-floppy_ioctl.c | 243 +++++++++++++++++++++++++++ 4 files changed, 317 insertions(+), 288 deletions(-) create mode 100644 drivers/ide/ide-floppy.h create mode 100644 drivers/ide/ide-floppy_ioctl.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 76a30d763384..308b8a12f314 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -37,11 +37,12 @@ obj-$(CONFIG_IDE_GENERIC) += ide-generic.o obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o +ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o +obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy_mod.o obj-$(CONFIG_BLK_DEV_IDETAPE) += ide-tape.o -obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy.o ifeq ($(CONFIG_BLK_DEV_IDECS), y) ide-cs-core-y += legacy/ide-cs.o diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 78d92835a3c1..ca12a230d9a6 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -46,6 +46,8 @@ #include #include +#include "ide-floppy.h" + /* define to see debug info */ #define IDEFLOPPY_DEBUG_LOG 0 @@ -75,61 +77,11 @@ #define CAPACITY_CURRENT 0x02 #define CAPACITY_NO_CARTRIDGE 0x03 -/* - * Most of our global data which we need to save even as we leave the driver - * due to an interrupt or a timer event is stored in a variable of type - * idefloppy_floppy_t, defined below. - */ -typedef struct ide_floppy_obj { - ide_drive_t *drive; - ide_driver_t *driver; - struct gendisk *disk; - struct kref kref; - unsigned int openers; /* protected by BKL for now */ - - /* Current packet command */ - struct ide_atapi_pc *pc; - /* Last failed packet command */ - struct ide_atapi_pc *failed_pc; - /* used for blk_{fs,pc}_request() requests */ - struct ide_atapi_pc queued_pc; - - struct ide_atapi_pc request_sense_pc; - struct request request_sense_rq; - - /* Last error information */ - u8 sense_key, asc, ascq; - /* delay this long before sending packet command */ - u8 ticks; - int progress_indication; - - /* Device information */ - /* Current format */ - int blocks, block_size, bs_factor; - /* Last format capacity descriptor */ - u8 cap_desc[8]; - /* Copy of the flexible disk page */ - u8 flexible_disk_page[32]; -} idefloppy_floppy_t; - #define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */ -/* IOCTLs used in low-level formatting. */ -#define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED 0x4600 -#define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY 0x4601 -#define IDEFLOPPY_IOCTL_FORMAT_START 0x4602 -#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS 0x4603 - /* Error code returned in rq->errors to the higher part of the driver. */ #define IDEFLOPPY_ERROR_GENERAL 101 -/* - * Pages of the SELECT SENSE / MODE SENSE packet commands. - * See SFF-8070i spec. - */ -#define IDEFLOPPY_CAPABILITIES_PAGE 0x1b -#define IDEFLOPPY_FLEXIBLE_DISK_PAGE 0x05 - static DEFINE_MUTEX(idefloppy_ref_mutex); #define to_ide_floppy(obj) container_of(obj, struct ide_floppy_obj, kref) @@ -245,7 +197,7 @@ static void ide_floppy_callback(ide_drive_t *drive) idefloppy_end_request(drive, uptodate, 0); } -static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc) +void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *pc) { ide_init_pc(pc); pc->c[0] = GPCMD_REQUEST_SENSE; @@ -264,7 +216,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive) struct ide_atapi_pc *pc = &floppy->request_sense_pc; (void)ide_read_error(drive); - idefloppy_create_request_sense_cmd(pc); + ide_floppy_create_request_sense_cmd(pc); ide_queue_pc_head(drive, floppy->disk, pc, rq); } @@ -382,7 +334,7 @@ static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent) pc->c[4] = prevent; } -static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) +void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) { ide_init_pc(pc); pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES; @@ -391,30 +343,8 @@ static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) pc->req_xfer = 255; } -static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b, - int l, int flags) -{ - ide_init_pc(pc); - pc->c[0] = GPCMD_FORMAT_UNIT; - pc->c[1] = 0x17; - - memset(pc->buf, 0, 12); - pc->buf[1] = 0xA2; - /* Default format list header, u8 1: FOV/DCRT/IMM bits set */ - - if (flags & 1) /* Verify bit on... */ - pc->buf[1] ^= 0x20; /* ... turn off DCRT bit */ - pc->buf[3] = 8; - - put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4])); - put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8])); - pc->buf_size = 12; - pc->flags |= PC_FLAG_WRITING; -} - /* A mode sense command is used to "sense" floppy parameters. */ -static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, - u8 page_code) +void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) { u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */ @@ -563,7 +493,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) u16 transfer_rate, sector_size, cyls, rpm; u8 heads, sectors; - idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); + ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); if (ide_queue_pc_tail(drive, disk, &pc)) { printk(KERN_ERR "ide-floppy: Can't get flexible disk page" @@ -611,25 +541,6 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) return 0; } -static int idefloppy_get_sfrp_bit(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - struct ide_atapi_pc pc; - - drive->atapi_flags &= ~IDE_AFLAG_SRFP; - - idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE); - pc.flags |= PC_FLAG_SUPPRESS_ERROR; - - if (ide_queue_pc_tail(drive, floppy->disk, &pc)) - return 1; - - if (pc.buf[8 + 2] & 0x40) - drive->atapi_flags |= IDE_AFLAG_SRFP; - - return 0; -} - /* * Determine if a media is present in the floppy drive, and if so, its LBA * capacity. @@ -649,7 +560,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) floppy->bs_factor = 1; set_capacity(floppy->disk, 0); - idefloppy_create_read_capacity_cmd(&pc); + ide_floppy_create_read_capacity_cmd(&pc); if (ide_queue_pc_tail(drive, disk, &pc)) { printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); return 1; @@ -730,129 +641,6 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) return rc; } -/* - * Obtain the list of formattable capacities. - * Very similar to ide_floppy_get_capacity, except that we push the capacity - * descriptors to userland, instead of our own structures. - * - * Userland gives us the following structure: - * - * struct idefloppy_format_capacities { - * int nformats; - * struct { - * int nblocks; - * int blocksize; - * } formats[]; - * }; - * - * userland initializes nformats to the number of allocated formats[] records. - * On exit we set nformats to the number of records we've actually initialized. - */ - -static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) -{ - struct ide_floppy_obj *floppy = drive->driver_data; - struct ide_atapi_pc pc; - u8 header_len, desc_cnt; - int i, blocks, length, u_array_size, u_index; - int __user *argp; - - if (get_user(u_array_size, arg)) - return -EFAULT; - - if (u_array_size <= 0) - return -EINVAL; - - idefloppy_create_read_capacity_cmd(&pc); - if (ide_queue_pc_tail(drive, floppy->disk, &pc)) { - printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); - return -EIO; - } - - header_len = pc.buf[3]; - desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */ - - u_index = 0; - argp = arg + 1; - - /* - * We always skip the first capacity descriptor. That's the current - * capacity. We are interested in the remaining descriptors, the - * formattable capacities. - */ - for (i = 1; i < desc_cnt; i++) { - unsigned int desc_start = 4 + i*8; - - if (u_index >= u_array_size) - break; /* User-supplied buffer too small */ - - blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); - length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); - - if (put_user(blocks, argp)) - return -EFAULT; - - ++argp; - - if (put_user(length, argp)) - return -EFAULT; - - ++argp; - - ++u_index; - } - - if (put_user(u_index, arg)) - return -EFAULT; - - return 0; -} - -/* - * Get ATAPI_FORMAT_UNIT progress indication. - * - * Userland gives a pointer to an int. The int is set to a progress - * indicator 0-65536, with 65536=100%. - * - * If the drive does not support format progress indication, we just check - * the dsc bit, and return either 0 or 65536. - */ - -static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - struct ide_atapi_pc pc; - int progress_indication = 0x10000; - - if (drive->atapi_flags & IDE_AFLAG_SRFP) { - idefloppy_create_request_sense_cmd(&pc); - if (ide_queue_pc_tail(drive, floppy->disk, &pc)) - return -EIO; - - if (floppy->sense_key == 2 && - floppy->asc == 4 && - floppy->ascq == 4) - progress_indication = floppy->progress_indication; - - /* Else assume format_unit has finished, and we're at 0x10000 */ - } else { - ide_hwif_t *hwif = drive->hwif; - unsigned long flags; - u8 stat; - - local_irq_save(flags); - stat = hwif->tp_ops->read_status(hwif); - local_irq_restore(flags); - - progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000; - } - - if (put_user(progress_indication, arg)) - return -EFAULT; - - return 0; -} - static sector_t idefloppy_capacity(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; @@ -1118,73 +906,6 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, return 0; } -static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - struct ide_atapi_pc pc; - int blocks, length, flags, err = 0; - - if (floppy->openers > 1) { - /* Don't format if someone is using the disk */ - drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; - return -EBUSY; - } - - drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS; - - /* - * Send ATAPI_FORMAT_UNIT to the drive. - * - * Userland gives us the following structure: - * - * struct idefloppy_format_command { - * int nblocks; - * int blocksize; - * int flags; - * } ; - * - * flags is a bitmask, currently, the only defined flag is: - * - * 0x01 - verify media after format. - */ - if (get_user(blocks, arg) || - get_user(length, arg+1) || - get_user(flags, arg+2)) { - err = -EFAULT; - goto out; - } - - (void) idefloppy_get_sfrp_bit(drive); - idefloppy_create_format_unit_cmd(&pc, blocks, length, flags); - - if (ide_queue_pc_tail(drive, floppy->disk, &pc)) - err = -EIO; - -out: - if (err) - drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; - return err; -} - -static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, - unsigned int cmd, void __user *argp) -{ - switch (cmd) { - case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: - return 0; - case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY: - return ide_floppy_get_format_capacities(drive, argp); - case IDEFLOPPY_IOCTL_FORMAT_START: - if (!(file->f_mode & 2)) - return -EPERM; - return ide_floppy_format_unit(drive, (int __user *)argp); - case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS: - return ide_floppy_get_format_progress(drive, argp); - default: - return -ENOTTY; - } -} - static int idefloppy_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { @@ -1316,6 +1037,7 @@ static int __init idefloppy_init(void) } MODULE_ALIAS("ide:*m-floppy*"); +MODULE_ALIAS("ide-floppy"); module_init(idefloppy_init); module_exit(idefloppy_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h new file mode 100644 index 000000000000..ecadc2bc322d --- /dev/null +++ b/drivers/ide/ide-floppy.h @@ -0,0 +1,63 @@ +#ifndef __IDE_FLOPPY_H +#define __IDE_FLOPPY_H + +/* + * Most of our global data which we need to save even as we leave the driver + * due to an interrupt or a timer event is stored in a variable of type + * idefloppy_floppy_t, defined below. + */ +typedef struct ide_floppy_obj { + ide_drive_t *drive; + ide_driver_t *driver; + struct gendisk *disk; + struct kref kref; + unsigned int openers; /* protected by BKL for now */ + + /* Current packet command */ + struct ide_atapi_pc *pc; + /* Last failed packet command */ + struct ide_atapi_pc *failed_pc; + /* used for blk_{fs,pc}_request() requests */ + struct ide_atapi_pc queued_pc; + + struct ide_atapi_pc request_sense_pc; + struct request request_sense_rq; + + /* Last error information */ + u8 sense_key, asc, ascq; + /* delay this long before sending packet command */ + u8 ticks; + int progress_indication; + + /* Device information */ + /* Current format */ + int blocks, block_size, bs_factor; + /* Last format capacity descriptor */ + u8 cap_desc[8]; + /* Copy of the flexible disk page */ + u8 flexible_disk_page[32]; +} idefloppy_floppy_t; + +/* + * Pages of the SELECT SENSE / MODE SENSE packet commands. + * See SFF-8070i spec. + */ +#define IDEFLOPPY_CAPABILITIES_PAGE 0x1b +#define IDEFLOPPY_FLEXIBLE_DISK_PAGE 0x05 + +/* IOCTLs used in low-level formatting. */ +#define IDEFLOPPY_IOCTL_FORMAT_SUPPORTED 0x4600 +#define IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY 0x4601 +#define IDEFLOPPY_IOCTL_FORMAT_START 0x4602 +#define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS 0x4603 + +/* ide-floppy.c */ +void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8); +void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *); +void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *); + +/* ide-floppy_ioctl.c */ +int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int, + void __user *); + +#endif /*__IDE_FLOPPY_H */ diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c new file mode 100644 index 000000000000..5ffc4512d14b --- /dev/null +++ b/drivers/ide/ide-floppy_ioctl.c @@ -0,0 +1,243 @@ +/* + * ide-floppy IOCTLs handling. + */ + +#include +#include +#include + +#include + +#include + +#include "ide-floppy.h" + +/* + * Obtain the list of formattable capacities. + * Very similar to ide_floppy_get_capacity, except that we push the capacity + * descriptors to userland, instead of our own structures. + * + * Userland gives us the following structure: + * + * struct idefloppy_format_capacities { + * int nformats; + * struct { + * int nblocks; + * int blocksize; + * } formats[]; + * }; + * + * userland initializes nformats to the number of allocated formats[] records. + * On exit we set nformats to the number of records we've actually initialized. + */ + +static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg) +{ + struct ide_floppy_obj *floppy = drive->driver_data; + struct ide_atapi_pc pc; + u8 header_len, desc_cnt; + int i, blocks, length, u_array_size, u_index; + int __user *argp; + + if (get_user(u_array_size, arg)) + return -EFAULT; + + if (u_array_size <= 0) + return -EINVAL; + + ide_floppy_create_read_capacity_cmd(&pc); + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) { + printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); + return -EIO; + } + + header_len = pc.buf[3]; + desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */ + + u_index = 0; + argp = arg + 1; + + /* + * We always skip the first capacity descriptor. That's the current + * capacity. We are interested in the remaining descriptors, the + * formattable capacities. + */ + for (i = 1; i < desc_cnt; i++) { + unsigned int desc_start = 4 + i*8; + + if (u_index >= u_array_size) + break; /* User-supplied buffer too small */ + + blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); + length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); + + if (put_user(blocks, argp)) + return -EFAULT; + + ++argp; + + if (put_user(length, argp)) + return -EFAULT; + + ++argp; + + ++u_index; + } + + if (put_user(u_index, arg)) + return -EFAULT; + + return 0; +} + +static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b, + int l, int flags) +{ + ide_init_pc(pc); + pc->c[0] = GPCMD_FORMAT_UNIT; + pc->c[1] = 0x17; + + memset(pc->buf, 0, 12); + pc->buf[1] = 0xA2; + /* Default format list header, u8 1: FOV/DCRT/IMM bits set */ + + if (flags & 1) /* Verify bit on... */ + pc->buf[1] ^= 0x20; /* ... turn off DCRT bit */ + pc->buf[3] = 8; + + put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4])); + put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8])); + pc->buf_size = 12; + pc->flags |= PC_FLAG_WRITING; +} + +static int ide_floppy_get_sfrp_bit(ide_drive_t *drive) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + struct ide_atapi_pc pc; + + drive->atapi_flags &= ~IDE_AFLAG_SRFP; + + ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE); + pc.flags |= PC_FLAG_SUPPRESS_ERROR; + + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) + return 1; + + if (pc.buf[8 + 2] & 0x40) + drive->atapi_flags |= IDE_AFLAG_SRFP; + + return 0; +} + +static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + struct ide_atapi_pc pc; + int blocks, length, flags, err = 0; + + if (floppy->openers > 1) { + /* Don't format if someone is using the disk */ + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; + return -EBUSY; + } + + drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS; + + /* + * Send ATAPI_FORMAT_UNIT to the drive. + * + * Userland gives us the following structure: + * + * struct idefloppy_format_command { + * int nblocks; + * int blocksize; + * int flags; + * } ; + * + * flags is a bitmask, currently, the only defined flag is: + * + * 0x01 - verify media after format. + */ + if (get_user(blocks, arg) || + get_user(length, arg+1) || + get_user(flags, arg+2)) { + err = -EFAULT; + goto out; + } + + (void)ide_floppy_get_sfrp_bit(drive); + ide_floppy_create_format_unit_cmd(&pc, blocks, length, flags); + + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) + err = -EIO; + +out: + if (err) + drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; + return err; +} + +/* + * Get ATAPI_FORMAT_UNIT progress indication. + * + * Userland gives a pointer to an int. The int is set to a progress + * indicator 0-65536, with 65536=100%. + * + * If the drive does not support format progress indication, we just check + * the dsc bit, and return either 0 or 65536. + */ + +static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + struct ide_atapi_pc pc; + int progress_indication = 0x10000; + + if (drive->atapi_flags & IDE_AFLAG_SRFP) { + ide_floppy_create_request_sense_cmd(&pc); + if (ide_queue_pc_tail(drive, floppy->disk, &pc)) + return -EIO; + + if (floppy->sense_key == 2 && + floppy->asc == 4 && + floppy->ascq == 4) + progress_indication = floppy->progress_indication; + + /* Else assume format_unit has finished, and we're at 0x10000 */ + } else { + ide_hwif_t *hwif = drive->hwif; + unsigned long flags; + u8 stat; + + local_irq_save(flags); + stat = hwif->tp_ops->read_status(hwif); + local_irq_restore(flags); + + progress_indication = ((stat & ATA_DSC) == 0) ? 0 : 0x10000; + } + + if (put_user(progress_indication, arg)) + return -EFAULT; + + return 0; +} + +int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, + unsigned int cmd, void __user *argp) +{ + switch (cmd) { + case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: + return 0; + case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY: + return ide_floppy_get_format_capacities(drive, argp); + case IDEFLOPPY_IOCTL_FORMAT_START: + if (!(file->f_mode & 2)) + return -EPERM; + return ide_floppy_format_unit(drive, (int __user *)argp); + case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS: + return ide_floppy_get_format_progress(drive, argp); + default: + return -ENOTTY; + } +} -- GitLab From 0578042db3191e1ac76b53d213f2a691c3e1eaed Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:38 +0200 Subject: [PATCH 3599/6244] ide: add ide_set_media_lock() helper * Set IDE_AFLAG_NO_DOORLOCK in idetape_get_mode_sense_result(), check it in ide_tape_set_media_lock() and cleanup idetape_create_prevent_cmd(). * Set IDE_AFLAG_NO_DOORLOCK in ide_floppy_create_read_capacity_cmd() and check it instead of IDE_AFLAG_CLIK_DRIVE in ide_floppy_set_media_lock(). * Add ide_set_media_lock() helper and convert ide-{floppy,tape}.c to use it. * Remove no longer used ide*_create_prevent_cmd()/ide*_set_media_lock(). * Update comment in accordingly. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 15 +++++++++++++++ drivers/ide/ide-floppy.c | 32 +++++++------------------------ drivers/ide/ide-tape.c | 41 ++++++++++------------------------------ include/linux/ide.h | 6 ++++-- 4 files changed, 36 insertions(+), 58 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index f82ddfb9a44e..c647a40c0d33 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -162,6 +162,21 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, } EXPORT_SYMBOL_GPL(ide_queue_pc_tail); +int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) +{ + struct ide_atapi_pc pc; + + if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK) + return 0; + + ide_init_pc(&pc); + pc.c[0] = ALLOW_MEDIUM_REMOVAL; + pc.c[4] = on; + + return ide_queue_pc_tail(drive, disk, &pc); +} +EXPORT_SYMBOL_GPL(ide_set_media_lock); + /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index ca12a230d9a6..f39cf404b030 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -325,15 +325,6 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, IDEFLOPPY_WAIT_CMD, NULL); } -static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent) -{ - debug_log("creating prevent removal command, prevent = %d\n", prevent); - - ide_init_pc(pc); - pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; - pc->c[4] = prevent; -} - void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) { ide_init_pc(pc); @@ -712,6 +703,8 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) if (strncmp((char *)&id[ATA_ID_PROD], "IOMEGA Clik!", 11) == 0) { blk_queue_max_sectors(drive->queue, 64); drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE; + /* IOMEGA Clik! drives do not support lock/unlock commands */ + drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK; } (void) ide_floppy_get_capacity(drive); @@ -782,18 +775,6 @@ static ide_driver_t idefloppy_driver = { #endif }; -static void ide_floppy_set_media_lock(ide_drive_t *drive, int on) -{ - struct ide_floppy_obj *floppy = drive->driver_data; - struct ide_atapi_pc pc; - - /* IOMEGA Clik! drives do not support lock/unlock commands */ - if ((drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE) == 0) { - idefloppy_create_prevent_cmd(&pc, on); - (void)ide_queue_pc_tail(drive, floppy->disk, &pc); - } -} - static int idefloppy_open(struct inode *inode, struct file *filp) { struct gendisk *disk = inode->i_bdev->bd_disk; @@ -842,7 +823,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp) } drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED; - ide_floppy_set_media_lock(drive, 1); + ide_set_media_lock(drive, disk, 1); check_disk_change(inode->i_bdev); } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) { ret = -EBUSY; @@ -865,7 +846,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp) debug_log("Reached %s\n", __func__); if (floppy->openers == 1) { - ide_floppy_set_media_lock(drive, 0); + ide_set_media_lock(drive, disk, 0); drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; } @@ -891,16 +872,17 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd) { idefloppy_floppy_t *floppy = drive->driver_data; + struct gendisk *disk = floppy->disk; int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; if (floppy->openers > 1) return -EBUSY; - ide_floppy_set_media_lock(drive, prevent); + ide_set_media_lock(drive, disk, prevent); if (cmd == CDROMEJECT) { idefloppy_create_start_stop_cmd(pc, 2); - (void)ide_queue_pc_tail(drive, floppy->disk, pc); + (void)ide_queue_pc_tail(drive, disk, pc); } return 0; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 88cb94554267..b7f3eebc0d15 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1214,32 +1214,6 @@ static void idetape_create_locate_cmd(ide_drive_t *drive, pc->flags |= PC_FLAG_WAIT_FOR_DSC; } -static int idetape_create_prevent_cmd(ide_drive_t *drive, - struct ide_atapi_pc *pc, int prevent) -{ - idetape_tape_t *tape = drive->driver_data; - - /* device supports locking according to capabilities page */ - if (!(tape->caps[6] & 0x01)) - return 0; - - ide_init_pc(pc); - pc->c[0] = ALLOW_MEDIUM_REMOVAL; - pc->c[4] = prevent; - return 1; -} - -static int ide_tape_set_media_lock(ide_drive_t *drive, int on) -{ - struct ide_tape_obj *tape = drive->driver_data; - struct ide_atapi_pc pc; - - if (!idetape_create_prevent_cmd(drive, &pc, on)) - return 0; - - return ide_queue_pc_tail(drive, tape->disk, &pc); -} - static void __ide_tape_discard_merge_buffer(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; @@ -1872,7 +1846,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) * attempting to eject. */ if (tape->door_locked) { - if (!ide_tape_set_media_lock(drive, 0)) + if (!ide_set_media_lock(drive, disk, 0)) tape->door_locked = DOOR_UNLOCKED; } ide_tape_discard_merge_buffer(drive, 0); @@ -1917,13 +1891,13 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) case MTFSR: case MTBSR: case MTLOCK: - retval = ide_tape_set_media_lock(drive, 1); + retval = ide_set_media_lock(drive, disk, 1); if (retval) return retval; tape->door_locked = DOOR_EXPLICITLY_LOCKED; return 0; case MTUNLOCK: - retval = ide_tape_set_media_lock(drive, 0); + retval = ide_set_media_lock(drive, disk, 0); if (retval) return retval; tape->door_locked = DOOR_UNLOCKED; @@ -2087,7 +2061,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) /* Lock the tape drive door so user can't eject. */ if (tape->chrdev_dir == IDETAPE_DIR_NONE) { - if (!ide_tape_set_media_lock(drive, 1)) { + if (!ide_set_media_lock(drive, tape->disk, 1)) { if (tape->door_locked != DOOR_EXPLICITLY_LOCKED) tape->door_locked = DOOR_LOCKED; } @@ -2140,7 +2114,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) (void) idetape_rewind_tape(drive); if (tape->chrdev_dir == IDETAPE_DIR_NONE) { if (tape->door_locked == DOOR_LOCKED) { - if (!ide_tape_set_media_lock(drive, 0)) + if (!ide_set_media_lock(drive, tape->disk, 0)) tape->door_locked = DOOR_UNLOCKED; } } @@ -2218,6 +2192,11 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive) } memcpy(&tape->caps, caps, 20); + + /* device lacks locking support according to capabilities page */ + if ((caps[6] & 1) == 0) + drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK; + if (caps[7] & 0x02) tape->blk_size = 512; else if (caps[7] & 0x04) diff --git a/include/linux/ide.h b/include/linux/ide.h index cc41a885688a..ac067a3c1be3 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -317,10 +317,10 @@ struct ide_acpi_hwif_link; enum { IDE_AFLAG_DRQ_INTERRUPT = (1 << 0), IDE_AFLAG_MEDIA_CHANGED = (1 << 1), - - /* ide-cd */ /* Drive cannot lock the door. */ IDE_AFLAG_NO_DOORLOCK = (1 << 2), + + /* ide-cd */ /* Drive cannot eject the disc. */ IDE_AFLAG_NO_EJECT = (1 << 3), /* Drive is a pre ATAPI 1.2 drive. */ @@ -1142,6 +1142,8 @@ void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, struct request *); int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *); +int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), -- GitLab From 0c8a6c7aead1d3be85ce53e3aaacd52e38ede03e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:39 +0200 Subject: [PATCH 3600/6244] ide: add ide_do_start_stop() helper * Add ide_do_start_stop() helper and convert ide-{floppy,tape}.c to use it. * Remove no longer used idefloppy_create_start_stop_cmd() and idetape_create_load_unload_cmd(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 15 +++++++++++++++ drivers/ide/ide-floppy.c | 19 ++++--------------- drivers/ide/ide-tape.c | 24 ++++-------------------- include/linux/ide.h | 1 + 4 files changed, 24 insertions(+), 35 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index c647a40c0d33..58411591edf3 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -162,6 +162,21 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, } EXPORT_SYMBOL_GPL(ide_queue_pc_tail); +int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start) +{ + struct ide_atapi_pc pc; + + ide_init_pc(&pc); + pc.c[0] = START_STOP; + pc.c[4] = start; + + if (drive->media == ide_tape) + pc.flags |= PC_FLAG_WAIT_FOR_DSC; + + return ide_queue_pc_tail(drive, disk, &pc); +} +EXPORT_SYMBOL_GPL(ide_do_start_stop); + int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) { struct ide_atapi_pc pc; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index f39cf404b030..b221a456e535 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -359,13 +359,6 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) pc->req_xfer = length; } -static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start) -{ - ide_init_pc(pc); - pc->c[0] = GPCMD_START_STOP_UNIT; - pc->c[4] = start; -} - static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, struct ide_atapi_pc *pc, struct request *rq, unsigned long sector) @@ -800,10 +793,8 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ide_init_pc(&pc); pc.c[0] = GPCMD_TEST_UNIT_READY; - if (ide_queue_pc_tail(drive, disk, &pc)) { - idefloppy_create_start_stop_cmd(&pc, 1); - (void)ide_queue_pc_tail(drive, disk, &pc); - } + if (ide_queue_pc_tail(drive, disk, &pc)) + ide_do_start_stop(drive, disk, 1); if (ide_floppy_get_capacity(drive) && (filp->f_flags & O_NDELAY) == 0 @@ -880,10 +871,8 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_set_media_lock(drive, disk, prevent); - if (cmd == CDROMEJECT) { - idefloppy_create_start_stop_cmd(pc, 2); - (void)ide_queue_pc_tail(drive, disk, pc); - } + if (cmd == CDROMEJECT) + ide_do_start_stop(drive, disk, 2); return 0; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index b7f3eebc0d15..5204bef4a21c 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1125,15 +1125,6 @@ static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) pc->c[0] = TEST_UNIT_READY; } -static void idetape_create_load_unload_cmd(ide_drive_t *drive, - struct ide_atapi_pc *pc, int cmd) -{ - ide_init_pc(pc); - pc->c[0] = START_STOP; - pc->c[4] = cmd; - pc->flags |= PC_FLAG_WAIT_FOR_DSC; -} - static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) { idetape_tape_t *tape = drive->driver_data; @@ -1153,9 +1144,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) /* no media */ if (load_attempted) return -ENOMEDIUM; - idetape_create_load_unload_cmd(drive, &pc, - IDETAPE_LU_LOAD_MASK); - ide_queue_pc_tail(drive, disk, &pc); + ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK); load_attempted = 1; /* not about to be ready */ } else if (!(tape->sense_key == 2 && tape->asc == 4 && @@ -1836,9 +1825,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) return 0; case MTLOAD: ide_tape_discard_merge_buffer(drive, 0); - idetape_create_load_unload_cmd(drive, &pc, - IDETAPE_LU_LOAD_MASK); - return ide_queue_pc_tail(drive, disk, &pc); + return ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK); case MTUNLOAD: case MTOFFL: /* @@ -1850,9 +1837,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) tape->door_locked = DOOR_UNLOCKED; } ide_tape_discard_merge_buffer(drive, 0); - idetape_create_load_unload_cmd(drive, &pc, - !IDETAPE_LU_LOAD_MASK); - retval = ide_queue_pc_tail(drive, disk, &pc); + retval = ide_do_start_stop(drive, disk, !IDETAPE_LU_LOAD_MASK); if (!retval) clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags); return retval; @@ -1861,9 +1846,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) return idetape_flush_tape_buffers(drive); case MTRETEN: ide_tape_discard_merge_buffer(drive, 0); - idetape_create_load_unload_cmd(drive, &pc, + return ide_do_start_stop(drive, disk, IDETAPE_LU_RETENSION_MASK | IDETAPE_LU_LOAD_MASK); - return ide_queue_pc_tail(drive, disk, &pc); case MTEOM: idetape_create_space_cmd(&pc, 0, IDETAPE_SPACE_TO_EOD); return ide_queue_pc_tail(drive, disk, &pc); diff --git a/include/linux/ide.h b/include/linux/ide.h index ac067a3c1be3..be79122b9431 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1142,6 +1142,7 @@ void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, struct request *); int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *); +int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, -- GitLab From de699ad595fb45022d1b049ed91ffd06fdd16c13 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:39 +0200 Subject: [PATCH 3601/6244] ide: add ide_do_test_unit_ready() helper * Add ide_do_test_unit_ready() helper and convert ide-{floppy,tape}.c to use it. * Remove no longer used idetape_create_test_unit_ready_cmd(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 11 +++++++++++ drivers/ide/ide-floppy.c | 6 +----- drivers/ide/ide-tape.c | 10 +--------- include/linux/ide.h | 1 + 4 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 58411591edf3..608c5bade929 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -162,6 +162,17 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, } EXPORT_SYMBOL_GPL(ide_queue_pc_tail); +int ide_do_test_unit_ready(ide_drive_t *drive, struct gendisk *disk) +{ + struct ide_atapi_pc pc; + + ide_init_pc(&pc); + pc.c[0] = TEST_UNIT_READY; + + return ide_queue_pc_tail(drive, disk, &pc); +} +EXPORT_SYMBOL_GPL(ide_do_test_unit_ready); + int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start) { struct ide_atapi_pc pc; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index b221a456e535..4d7e9ef82425 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -773,7 +773,6 @@ static int idefloppy_open(struct inode *inode, struct file *filp) struct gendisk *disk = inode->i_bdev->bd_disk; struct ide_floppy_obj *floppy; ide_drive_t *drive; - struct ide_atapi_pc pc; int ret = 0; debug_log("Reached %s\n", __func__); @@ -790,10 +789,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp) drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; /* Just in case */ - ide_init_pc(&pc); - pc.c[0] = GPCMD_TEST_UNIT_READY; - - if (ide_queue_pc_tail(drive, disk, &pc)) + if (ide_do_test_unit_ready(drive, disk)) ide_do_start_stop(drive, disk, 1); if (ide_floppy_get_capacity(drive) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 5204bef4a21c..737dd7db6bb7 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -1119,25 +1119,17 @@ static void idetape_create_write_filemark_cmd(ide_drive_t *drive, pc->flags |= PC_FLAG_WAIT_FOR_DSC; } -static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) -{ - ide_init_pc(pc); - pc->c[0] = TEST_UNIT_READY; -} - static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) { idetape_tape_t *tape = drive->driver_data; struct gendisk *disk = tape->disk; - struct ide_atapi_pc pc; int load_attempted = 0; /* Wait for the tape to become ready */ set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags); timeout += jiffies; while (time_before(jiffies, timeout)) { - idetape_create_test_unit_ready_cmd(&pc); - if (!ide_queue_pc_tail(drive, disk, &pc)) + if (ide_do_test_unit_ready(drive, disk) == 0) return 0; if ((tape->sense_key == 2 && tape->asc == 4 && tape->ascq == 2) || (tape->asc == 0x3A)) { diff --git a/include/linux/ide.h b/include/linux/ide.h index be79122b9431..55098eed3b21 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1142,6 +1142,7 @@ void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, struct request *); int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *); +int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); -- GitLab From d6e2955a6b82d2312b5ff885ce13c8ab54d59d96 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:39 +0200 Subject: [PATCH 3602/6244] ide: move IDE{FLOPPY,TAPE}_WAIT_CMD defines to While at it: * IDE{FLOPPY,TAPE}_WAIT_CMD -> WAIT_{FLOPPY,TAPE}_CMD * Use enum for WAIT_* defines. There should be no functional changes caused by this patch. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 13 ++++--------- drivers/ide/ide-tape.c | 13 +++---------- include/linux/ide.h | 28 ++++++++++++++++++++++------ 3 files changed, 29 insertions(+), 25 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 4d7e9ef82425..a63aba2c8265 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -61,10 +61,6 @@ #define debug_log(fmt, args...) do {} while (0) #endif - -/* Some drives require a longer irq timeout. */ -#define IDEFLOPPY_WAIT_CMD (5 * WAIT_CMD) - /* * After each failed packet command we issue a request sense command and retry * the packet command IDEFLOPPY_MAX_PC_RETRIES times. @@ -226,7 +222,7 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) idefloppy_floppy_t *floppy = drive->driver_data; return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr, - IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers, + WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers, idefloppy_retry_pc, NULL, ide_io_buffers); } @@ -244,10 +240,9 @@ static int idefloppy_transfer_pc(ide_drive_t *drive) drive->hwif->tp_ops->output_data(drive, NULL, floppy->pc->c, 12); /* Timeout for the packet command */ - return IDEFLOPPY_WAIT_CMD; + return WAIT_FLOPPY_CMD; } - /* * Called as an interrupt (or directly). When the device says it's ready for a * packet, we schedule the packet transfer to occur about 2-3 ticks later in @@ -272,7 +267,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) timeout = floppy->ticks; expiry = &idefloppy_transfer_pc; } else { - timeout = IDEFLOPPY_WAIT_CMD; + timeout = WAIT_FLOPPY_CMD; expiry = NULL; } @@ -322,7 +317,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->retries++; return ide_issue_pc(drive, pc, idefloppy_start_pc_transfer, - IDEFLOPPY_WAIT_CMD, NULL); + WAIT_FLOPPY_CMD, NULL); } void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 737dd7db6bb7..25190966ed39 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -80,13 +80,6 @@ enum { */ #define IDETAPE_MAX_PC_RETRIES 3 -/* - * Some drives (for example, Seagate STT3401A Travan) require a very long - * timeout, because they don't return an interrupt or clear their busy bit - * until after the command completes (even retension commands). - */ -#define IDETAPE_WAIT_CMD (900*HZ) - /* * The following parameter is used to select the point in the internal tape fifo * in which we will start to refill the buffer. Decreasing the following @@ -663,7 +656,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - return ide_pc_intr(drive, tape->pc, idetape_pc_intr, IDETAPE_WAIT_CMD, + return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD, NULL, idetape_update_buffers, idetape_retry_pc, ide_tape_handle_dsc, ide_tape_io_buffers); } @@ -709,7 +702,7 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) idetape_tape_t *tape = drive->driver_data; return ide_transfer_pc(drive, tape->pc, idetape_pc_intr, - IDETAPE_WAIT_CMD, NULL); + WAIT_TAPE_CMD, NULL); } static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, @@ -758,7 +751,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->retries++; return ide_issue_pc(drive, pc, idetape_transfer_pc, - IDETAPE_WAIT_CMD, NULL); + WAIT_TAPE_CMD, NULL); } /* A mode sense command is used to "sense" tape parameters. */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 55098eed3b21..a9eced25acce 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -133,12 +133,28 @@ struct ide_io_ports { /* * Timeouts for various operations: */ -#define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */ -#define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */ -#define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */ -#define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */ -#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */ -#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ +enum { + /* spec allows up to 20ms */ + WAIT_DRQ = HZ / 10, /* 100ms */ + /* some laptops are very slow */ + WAIT_READY = 5 * HZ, /* 5s */ + /* should be less than 3ms (?), if all ATAPI CD is closed at boot */ + WAIT_PIDENTIFY = 10 * HZ, /* 10s */ + /* worst case when spinning up */ + WAIT_WORSTCASE = 30 * HZ, /* 30s */ + /* maximum wait for an IRQ to happen */ + WAIT_CMD = 10 * HZ, /* 10s */ + /* Some drives require a longer IRQ timeout. */ + WAIT_FLOPPY_CMD = 50 * HZ, /* 50s */ + /* + * Some drives (for example, Seagate STT3401A Travan) require a very + * long timeout, because they don't return an interrupt or clear their + * BSY bit until after the command completes (even retension commands). + */ + WAIT_TAPE_CMD = 900 * HZ, /* 900s */ + /* minimum sleep time */ + WAIT_MIN_SLEEP = HZ / 50, /* 20ms */ +}; /* * Op codes for special requests to be handled by ide_special_rq(). -- GitLab From 92f1f8fd8040e7b50a67a850a935509bb01201bb Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Fri, 10 Oct 2008 22:39:40 +0200 Subject: [PATCH 3603/6244] ide: Remove ide_spin_wait_hwgroup() and use special requests instead Use a special request for serialisation purposes and get rid of the awkward ide_spin_wait_hwgroup(). This also involves converting the ide_devset structure so it can be shared by the /proc and the ioctl code. Signed-off-by: Elias Oltmanns [bart: use rq->cmd[] directly] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 8 +-- drivers/ide/ide-disk.c | 66 +++++++++---------- drivers/ide/ide-floppy.c | 20 +++--- drivers/ide/ide-io.c | 40 ++++++++++++ drivers/ide/ide-ioctls.c | 21 +++--- drivers/ide/ide-proc.c | 102 ++++++++++++++--------------- drivers/ide/ide-tape.c | 48 +++++++------- drivers/ide/ide.c | 81 +++++------------------ drivers/scsi/ide-scsi.c | 34 +++++----- include/linux/ide.h | 138 +++++++++++++++++++++------------------ 10 files changed, 274 insertions(+), 284 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 7ea90de55058..465a92ca0179 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1809,11 +1809,11 @@ static ide_proc_entry_t idecd_proc[] = { { NULL, 0, NULL, NULL } }; -ide_devset_rw(dsc_overlap, 0, 1, dsc_overlap); +ide_devset_rw_field(dsc_overlap, dsc_overlap); -static const struct ide_devset *idecd_settings[] = { - &ide_devset_dsc_overlap, - NULL +static const struct ide_proc_devset idecd_settings[] = { + IDE_PROC_DEVSET(dsc_overlap, 0, 1), + { 0 }, }; #endif diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 119063470820..01846f244b40 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -575,11 +575,8 @@ static int set_nowerr(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; drive->nowerr = arg; drive->bad_wstat = arg ? BAD_R_STAT : BAD_W_STAT; - spin_unlock_irq(&ide_lock); return 0; } @@ -702,33 +699,34 @@ static int set_addressing(ide_drive_t *drive, int arg) return 0; } +ide_devset_rw(acoustic, acoustic); +ide_devset_rw(address, addressing); +ide_devset_rw(multcount, multcount); +ide_devset_rw(wcache, wcache); + +ide_devset_rw_sync(nowerr, nowerr); + #ifdef CONFIG_IDE_PROC_FS -ide_devset_rw_nolock(acoustic, 0, 254, acoustic); -ide_devset_rw_nolock(address, 0, 2, addressing); -ide_devset_rw_nolock(multcount, 0, 16, multcount); -ide_devset_rw_nolock(nowerr, 0, 1, nowerr); -ide_devset_rw_nolock(wcache, 0, 1, wcache); - -ide_devset_rw(bios_cyl, 0, 65535, bios_cyl); -ide_devset_rw(bios_head, 0, 255, bios_head); -ide_devset_rw(bios_sect, 0, 63, bios_sect); -ide_devset_rw(failures, 0, 65535, failures); -ide_devset_rw(lun, 0, 7, lun); -ide_devset_rw(max_failures, 0, 65535, max_failures); - -static const struct ide_devset *idedisk_settings[] = { - &ide_devset_acoustic, - &ide_devset_address, - &ide_devset_bios_cyl, - &ide_devset_bios_head, - &ide_devset_bios_sect, - &ide_devset_failures, - &ide_devset_lun, - &ide_devset_max_failures, - &ide_devset_multcount, - &ide_devset_nowerr, - &ide_devset_wcache, - NULL +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); +ide_devset_rw_field(failures, failures); +ide_devset_rw_field(lun, lun); +ide_devset_rw_field(max_failures, max_failures); + +static const struct ide_proc_devset idedisk_settings[] = { + IDE_PROC_DEVSET(acoustic, 0, 254), + IDE_PROC_DEVSET(address, 0, 2), + IDE_PROC_DEVSET(bios_cyl, 0, 65535), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(failures, 0, 65535), + IDE_PROC_DEVSET(lun, 0, 7), + IDE_PROC_DEVSET(max_failures, 0, 65535), + IDE_PROC_DEVSET(multcount, 0, 16), + IDE_PROC_DEVSET(nowerr, 0, 1), + IDE_PROC_DEVSET(wcache, 0, 1), + { 0 }, }; #endif @@ -1001,11 +999,11 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo) } static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { -{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, get_addressing, set_addressing }, -{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, get_multcount, set_multcount }, -{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, get_nowerr, set_nowerr }, -{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, get_wcache, set_wcache }, -{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, get_acoustic, set_acoustic }, +{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address }, +{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount }, +{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr }, +{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache }, +{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic }, { 0 } }; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index a63aba2c8265..d36f155470a4 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -629,9 +629,9 @@ static sector_t idefloppy_capacity(ide_drive_t *drive) } #ifdef CONFIG_IDE_PROC_FS -ide_devset_rw(bios_cyl, 0, 1023, bios_cyl); -ide_devset_rw(bios_head, 0, 255, bios_head); -ide_devset_rw(bios_sect, 0, 63, bios_sect); +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); static int get_ticks(ide_drive_t *drive) { @@ -646,14 +646,14 @@ static int set_ticks(ide_drive_t *drive, int arg) return 0; } -IDE_DEVSET(ticks, S_RW, 0, 255, get_ticks, set_ticks); +IDE_DEVSET(ticks, DS_SYNC, get_ticks, set_ticks); -static const struct ide_devset *idefloppy_settings[] = { - &ide_devset_bios_cyl, - &ide_devset_bios_head, - &ide_devset_bios_sect, - &ide_devset_ticks, - NULL +static const struct ide_proc_devset idefloppy_settings[] = { + IDE_PROC_DEVSET(bios_cyl, 0, 1023), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(ticks, 0, 255), + { 0 }, }; #endif diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index ec6664b0d3a9..1c51949833be 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -716,9 +716,49 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive, return ide_stopped; } +int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting, + int arg) +{ + struct request_queue *q = drive->queue; + struct request *rq; + int ret = 0; + + if (!(setting->flags & DS_SYNC)) + return setting->set(drive, arg); + + rq = blk_get_request(q, READ, GFP_KERNEL); + if (!rq) + return -ENOMEM; + + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->cmd_len = 5; + rq->cmd[0] = REQ_DEVSET_EXEC; + *(int *)&rq->cmd[1] = arg; + rq->special = setting->set; + + if (blk_execute_rq(q, NULL, rq, 0)) + ret = rq->errors; + blk_put_request(rq); + + return ret; +} +EXPORT_SYMBOL_GPL(ide_devset_execute); + static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq) { switch (rq->cmd[0]) { + case REQ_DEVSET_EXEC: + { + int err, (*setfunc)(ide_drive_t *, int) = rq->special; + + err = setfunc(drive, *(int *)&rq->cmd[1]); + if (err) + rq->errors = err; + else + err = 1; + ide_end_request(drive, err, 0); + return ide_stopped; + } case REQ_DRIVE_RESET: return ide_do_reset(drive); default: diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index 7a0d62e7286b..cf01564901af 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -6,11 +6,11 @@ #include static const struct ide_ioctl_devset ide_ioctl_settings[] = { -{ HDIO_GET_32BIT, HDIO_SET_32BIT, get_io_32bit, set_io_32bit }, -{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, get_ksettings, set_ksettings }, -{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, get_unmaskirq, set_unmaskirq }, -{ HDIO_GET_DMA, HDIO_SET_DMA, get_using_dma, set_using_dma }, -{ -1, HDIO_SET_PIO_MODE, NULL, set_pio_mode }, +{ HDIO_GET_32BIT, HDIO_SET_32BIT, &ide_devset_io_32bit }, +{ HDIO_GET_KEEPSETTINGS, HDIO_SET_KEEPSETTINGS, &ide_devset_keepsettings }, +{ HDIO_GET_UNMASKINTR, HDIO_SET_UNMASKINTR, &ide_devset_unmaskirq }, +{ HDIO_GET_DMA, HDIO_SET_DMA, &ide_devset_using_dma }, +{ -1, HDIO_SET_PIO_MODE, &ide_devset_pio_mode }, { 0 } }; @@ -18,13 +18,14 @@ int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev, unsigned int cmd, unsigned long arg, const struct ide_ioctl_devset *s) { + const struct ide_devset *ds; unsigned long flags; int err = -EOPNOTSUPP; - for (; s->get_ioctl; s++) { - if (s->get && s->get_ioctl == cmd) + for (; (ds = s->setting); s++) { + if (ds->get && s->get_ioctl == cmd) goto read_val; - else if (s->set && s->set_ioctl == cmd) + else if (ds->set && s->set_ioctl == cmd) goto set_val; } @@ -33,7 +34,7 @@ int ide_setting_ioctl(ide_drive_t *drive, struct block_device *bdev, read_val: mutex_lock(&ide_setting_mtx); spin_lock_irqsave(&ide_lock, flags); - err = s->get(drive); + err = ds->get(drive); spin_unlock_irqrestore(&ide_lock, flags); mutex_unlock(&ide_setting_mtx); return err >= 0 ? put_user(err, (long __user *)arg) : err; @@ -46,7 +47,7 @@ set_val: err = -EACCES; else { mutex_lock(&ide_setting_mtx); - err = s->set(drive, arg); + err = ide_devset_execute(drive, ds, arg); mutex_unlock(&ide_setting_mtx); } } diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 6489c647be82..e7030a491463 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -124,15 +124,16 @@ static int proc_ide_read_identify * setting semaphore */ -static const struct ide_devset *ide_find_setting(const struct ide_devset **st, - char *name) +static +const struct ide_proc_devset *ide_find_setting(const struct ide_proc_devset *st, + char *name) { - while (*st) { - if (strcmp((*st)->name, name) == 0) + while (st->name) { + if (strcmp(st->name, name) == 0) break; st++; } - return *st; + return st->name ? st : NULL; } /** @@ -149,15 +150,16 @@ static const struct ide_devset *ide_find_setting(const struct ide_devset **st, */ static int ide_read_setting(ide_drive_t *drive, - const struct ide_devset *setting) + const struct ide_proc_devset *setting) { + const struct ide_devset *ds = setting->setting; int val = -EINVAL; - if ((setting->flags & S_READ)) { + if (ds->get) { unsigned long flags; spin_lock_irqsave(&ide_lock, flags); - val = setting->get(drive); + val = ds->get(drive); spin_unlock_irqrestore(&ide_lock, flags); } @@ -183,24 +185,21 @@ static int ide_read_setting(ide_drive_t *drive, */ static int ide_write_setting(ide_drive_t *drive, - const struct ide_devset *setting, int val) + const struct ide_proc_devset *setting, int val) { + const struct ide_devset *ds = setting->setting; + if (!capable(CAP_SYS_ADMIN)) return -EACCES; - if (setting->set && (setting->flags & S_NOLOCK)) - return setting->set(drive, val); - if (!(setting->flags & S_WRITE)) + if (!ds->set) return -EPERM; - if (val < setting->min || val > setting->max) + if ((ds->flags & DS_SYNC) + && (val < setting->min || val > setting->max)) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; - setting->set(drive, val); - spin_unlock_irq(&ide_lock); - return 0; + return ide_devset_execute(drive, ds, val); } -static ide_devset_get(xfer_rate, current_speed); +ide_devset_get(xfer_rate, current_speed); static int set_xfer_rate (ide_drive_t *drive, int arg) { @@ -226,29 +225,22 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) return err; } -ide_devset_rw_nolock(current_speed, 0, 70, xfer_rate); -ide_devset_rw_nolock(io_32bit, 0, 1 + (SUPPORT_VLB_SYNC << 1), io_32bit); -ide_devset_rw_nolock(keepsettings, 0, 1, ksettings); -ide_devset_rw_nolock(unmaskirq, 0, 1, unmaskirq); -ide_devset_rw_nolock(using_dma, 0, 1, using_dma); - -ide_devset_w_nolock(pio_mode, 0, 255, pio_mode); - -ide_devset_rw(init_speed, 0, 70, init_speed); -ide_devset_rw(nice1, 0, 1, nice1); -ide_devset_rw(number, 0, 3, dn); - -static const struct ide_devset *ide_generic_settings[] = { - &ide_devset_current_speed, - &ide_devset_init_speed, - &ide_devset_io_32bit, - &ide_devset_keepsettings, - &ide_devset_nice1, - &ide_devset_number, - &ide_devset_pio_mode, - &ide_devset_unmaskirq, - &ide_devset_using_dma, - NULL +ide_devset_rw(current_speed, xfer_rate); +ide_devset_rw_field(init_speed, init_speed); +ide_devset_rw_field(nice1, nice1); +ide_devset_rw_field(number, dn); + +static const struct ide_proc_devset ide_generic_settings[] = { + IDE_PROC_DEVSET(current_speed, 0, 70), + IDE_PROC_DEVSET(init_speed, 0, 70), + IDE_PROC_DEVSET(io_32bit, 0, 1 + (SUPPORT_VLB_SYNC << 1)), + IDE_PROC_DEVSET(keepsettings, 0, 1), + IDE_PROC_DEVSET(nice1, 0, 1), + IDE_PROC_DEVSET(number, 0, 3), + IDE_PROC_DEVSET(pio_mode, 0, 255), + IDE_PROC_DEVSET(unmaskirq, 0, 1), + IDE_PROC_DEVSET(using_dma, 0, 1), + { 0 }, }; static void proc_ide_settings_warn(void) @@ -266,7 +258,8 @@ static void proc_ide_settings_warn(void) static int proc_ide_read_settings (char *page, char **start, off_t off, int count, int *eof, void *data) { - const struct ide_devset *setting, **g, **d; + const struct ide_proc_devset *setting, *g, *d; + const struct ide_devset *ds; ide_drive_t *drive = (ide_drive_t *) data; char *out = page; int len, rc, mul_factor, div_factor; @@ -278,17 +271,17 @@ static int proc_ide_read_settings d = drive->settings; out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n"); out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n"); - while (*g || (d && *d)) { + while (g->name || (d && d->name)) { /* read settings in the alphabetical order */ - if (*g && d && *d) { - if (strcmp((*d)->name, (*g)->name) < 0) - setting = *d++; + if (g->name && d && d->name) { + if (strcmp(d->name, g->name) < 0) + setting = d++; else - setting = *g++; - } else if (d && *d) { - setting = *d++; + setting = g++; + } else if (d && d->name) { + setting = d++; } else - setting = *g++; + setting = g++; mul_factor = setting->mulf ? setting->mulf(drive) : 1; div_factor = setting->divf ? setting->divf(drive) : 1; out += sprintf(out, "%-24s", setting->name); @@ -298,9 +291,10 @@ static int proc_ide_read_settings else out += sprintf(out, "%-16s", "write-only"); out += sprintf(out, "%-16d%-16d", (setting->min * mul_factor + div_factor - 1) / div_factor, setting->max * mul_factor / div_factor); - if (setting->flags & S_READ) + ds = setting->setting; + if (ds->get) out += sprintf(out, "r"); - if (setting->flags & S_WRITE) + if (ds->set) out += sprintf(out, "w"); out += sprintf(out, "\n"); } @@ -319,7 +313,7 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer, int for_real = 0, mul_factor, div_factor; unsigned long n; - const struct ide_devset *setting; + const struct ide_proc_devset *setting; char *buf, *s; if (!capable(CAP_SYS_ADMIN)) diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 25190966ed39..f8c84df4a0bc 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2188,40 +2188,40 @@ static int set_##name(ide_drive_t *drive, int arg) \ return 0; \ } -#define ide_tape_devset_rw(_name, _min, _max, _field, _mulf, _divf) \ +#define ide_tape_devset_rw_field(_name, _field) \ ide_tape_devset_get(_name, _field) \ ide_tape_devset_set(_name, _field) \ -__IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name, _mulf, _divf) +IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) -#define ide_tape_devset_r(_name, _min, _max, _field, _mulf, _divf) \ +#define ide_tape_devset_r_field(_name, _field) \ ide_tape_devset_get(_name, _field) \ -__IDE_DEVSET(_name, S_READ, _min, _max, get_##_name, NULL, _mulf, _divf) +IDE_DEVSET(_name, 0, get_##_name, NULL) static int mulf_tdsc(ide_drive_t *drive) { return 1000; } static int divf_tdsc(ide_drive_t *drive) { return HZ; } static int divf_buffer(ide_drive_t *drive) { return 2; } static int divf_buffer_size(ide_drive_t *drive) { return 1024; } -ide_devset_rw(dsc_overlap, 0, 1, dsc_overlap); - -ide_tape_devset_rw(debug_mask, 0, 0xffff, debug_mask, NULL, NULL); -ide_tape_devset_rw(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, - best_dsc_rw_freq, mulf_tdsc, divf_tdsc); - -ide_tape_devset_r(avg_speed, 0, 0xffff, avg_speed, NULL, NULL); -ide_tape_devset_r(speed, 0, 0xffff, caps[14], NULL, NULL); -ide_tape_devset_r(buffer, 0, 0xffff, caps[16], NULL, divf_buffer); -ide_tape_devset_r(buffer_size, 0, 0xffff, buffer_size, NULL, divf_buffer_size); - -static const struct ide_devset *idetape_settings[] = { - &ide_devset_avg_speed, - &ide_devset_buffer, - &ide_devset_buffer_size, - &ide_devset_debug_mask, - &ide_devset_dsc_overlap, - &ide_devset_speed, - &ide_devset_tdsc, - NULL +ide_devset_rw_field(dsc_overlap, dsc_overlap); + +ide_tape_devset_rw_field(debug_mask, debug_mask); +ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq); + +ide_tape_devset_r_field(avg_speed, avg_speed); +ide_tape_devset_r_field(speed, caps[14]); +ide_tape_devset_r_field(buffer, caps[16]); +ide_tape_devset_r_field(buffer_size, buffer_size); + +static const struct ide_proc_devset idetape_settings[] = { + __IDE_PROC_DEVSET(avg_speed, 0, 0xffff, NULL, NULL), + __IDE_PROC_DEVSET(buffer, 0, 0xffff, NULL, divf_buffer), + __IDE_PROC_DEVSET(buffer_size, 0, 0xffff, NULL, divf_buffer_size), + __IDE_PROC_DEVSET(debug_mask, 0, 0xffff, NULL, NULL), + __IDE_PROC_DEVSET(dsc_overlap, 0, 1, NULL, NULL), + __IDE_PROC_DEVSET(speed, 0, 0xffff, NULL, NULL), + __IDE_PROC_DEVSET(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX, + mulf_tdsc, divf_tdsc), + { 0 }, }; #endif diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 349d7fa75585..9dcf5aed92cb 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -250,42 +250,9 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) DEFINE_MUTEX(ide_setting_mtx); -/** - * ide_spin_wait_hwgroup - wait for group - * @drive: drive in the group - * - * Wait for an IDE device group to go non busy and then return - * holding the ide_lock which guards the hwgroup->busy status - * and right to use it. - */ - -int ide_spin_wait_hwgroup (ide_drive_t *drive) -{ - ide_hwgroup_t *hwgroup = HWGROUP(drive); - unsigned long timeout = jiffies + (3 * HZ); - - spin_lock_irq(&ide_lock); - - while (hwgroup->busy) { - unsigned long lflags; - spin_unlock_irq(&ide_lock); - local_irq_set(lflags); - if (time_after(jiffies, timeout)) { - local_irq_restore(lflags); - printk(KERN_ERR "%s: channel busy\n", drive->name); - return -EBUSY; - } - local_irq_restore(lflags); - spin_lock_irq(&ide_lock); - } - return 0; -} - -EXPORT_SYMBOL(ide_spin_wait_hwgroup); - ide_devset_get(io_32bit, io_32bit); -int set_io_32bit(ide_drive_t *drive, int arg) +static int set_io_32bit(ide_drive_t *drive, int arg) { if (drive->no_io_32bit) return -EPERM; @@ -293,37 +260,28 @@ int set_io_32bit(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1)) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; - drive->io_32bit = arg; - spin_unlock_irq(&ide_lock); - return 0; } ide_devset_get(ksettings, keep_settings); -int set_ksettings(ide_drive_t *drive, int arg) +static int set_ksettings(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; drive->keep_settings = arg; - spin_unlock_irq(&ide_lock); return 0; } ide_devset_get(using_dma, using_dma); -int set_using_dma(ide_drive_t *drive, int arg) +static int set_using_dma(ide_drive_t *drive, int arg) { #ifdef CONFIG_BLK_DEV_IDEDMA - ide_hwif_t *hwif = drive->hwif; int err = -EPERM; if (arg < 0 || arg > 1) @@ -332,18 +290,9 @@ int set_using_dma(ide_drive_t *drive, int arg) if (ata_id_has_dma(drive->id) == 0) goto out; - if (hwif->dma_ops == NULL) + if (drive->hwif->dma_ops == NULL) goto out; - err = -EBUSY; - if (ide_spin_wait_hwgroup(drive)) - goto out; - /* - * set ->busy flag, unlock and let it ride - */ - hwif->hwgroup->busy = 1; - spin_unlock_irq(&ide_lock); - err = 0; if (arg) { @@ -352,12 +301,6 @@ int set_using_dma(ide_drive_t *drive, int arg) } else ide_dma_off(drive); - /* - * lock, clear ->busy flag and unlock before leaving - */ - spin_lock_irq(&ide_lock); - hwif->hwgroup->busy = 0; - spin_unlock_irq(&ide_lock); out: return err; #else @@ -368,7 +311,7 @@ out: #endif } -int set_pio_mode(ide_drive_t *drive, int arg) +static int set_pio_mode(ide_drive_t *drive, int arg) { struct request *rq; ide_hwif_t *hwif = drive->hwif; @@ -398,7 +341,7 @@ int set_pio_mode(ide_drive_t *drive, int arg) ide_devset_get(unmaskirq, unmask); -int set_unmaskirq(ide_drive_t *drive, int arg) +static int set_unmaskirq(ide_drive_t *drive, int arg) { if (drive->no_unmask) return -EPERM; @@ -406,14 +349,20 @@ int set_unmaskirq(ide_drive_t *drive, int arg) if (arg < 0 || arg > 1) return -EINVAL; - if (ide_spin_wait_hwgroup(drive)) - return -EBUSY; drive->unmask = arg; - spin_unlock_irq(&ide_lock); return 0; } +#define ide_gen_devset_rw(_name, _func) \ +__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) + +ide_gen_devset_rw(io_32bit, io_32bit); +ide_gen_devset_rw(keepsettings, ksettings); +ide_gen_devset_rw(unmaskirq, unmaskirq); +ide_gen_devset_rw(using_dma, using_dma); +__IDE_DEVSET(pio_mode, 0, NULL, set_pio_mode); + static int generic_ide_suspend(struct device *dev, pm_message_t mesg) { ide_drive_t *drive = dev->driver_data; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 27c01e368977..90212ac33be3 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -400,25 +400,25 @@ static int set_##name(ide_drive_t *drive, int arg) \ return 0; \ } -#define ide_scsi_devset_rw(_name, _min, _max, _field) \ +#define ide_scsi_devset_rw_field(_name, _field) \ ide_scsi_devset_get(_name, _field); \ ide_scsi_devset_set(_name, _field); \ -IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name) - -ide_devset_rw(bios_cyl, 0, 1023, bios_cyl); -ide_devset_rw(bios_head, 0, 255, bios_head); -ide_devset_rw(bios_sect, 0, 63, bios_sect); - -ide_scsi_devset_rw(transform, 0, 3, transform); -ide_scsi_devset_rw(log, 0, 1, log); - -static const struct ide_devset *idescsi_settings[] = { - &ide_devset_bios_cyl, - &ide_devset_bios_head, - &ide_devset_bios_sect, - &ide_devset_log, - &ide_devset_transform, - NULL +IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name); + +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); + +ide_scsi_devset_rw_field(transform, transform); +ide_scsi_devset_rw_field(log, log); + +static const struct ide_proc_devset idescsi_settings[] = { + IDE_PROC_DEVSET(bios_cyl, 0, 1023), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(log, 0, 1), + IDE_PROC_DEVSET(transform, 0, 3), + { 0 }, }; #endif diff --git a/include/linux/ide.h b/include/linux/ide.h index a9eced25acce..a9d82d6e6bdd 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -161,6 +161,7 @@ enum { * Values should be in the range of 0x20 to 0x3f. */ #define REQ_DRIVE_RESET 0x20 +#define REQ_DEVSET_EXEC 0x21 /* * Check for an interrupt and acknowledge the interrupt status @@ -405,7 +406,7 @@ struct ide_drive_s { u16 *id; /* identification info */ #ifdef CONFIG_IDE_PROC_FS struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ - const struct ide_devset **settings; /* /proc/ide/ drive settings */ + const struct ide_proc_devset *settings; /* /proc/ide/ drive settings */ #endif struct hwif_s *hwif; /* actually (ide_hwif_t *) */ @@ -707,29 +708,62 @@ typedef struct ide_driver_s ide_driver_t; extern struct mutex ide_setting_mtx; -int get_io_32bit(ide_drive_t *); -int set_io_32bit(ide_drive_t *, int); -int get_ksettings(ide_drive_t *); -int set_ksettings(ide_drive_t *, int); -int set_pio_mode(ide_drive_t *, int); -int get_unmaskirq(ide_drive_t *); -int set_unmaskirq(ide_drive_t *, int); -int get_using_dma(ide_drive_t *); -int set_using_dma(ide_drive_t *, int); +/* + * configurable drive settings + */ + +#define DS_SYNC (1 << 0) + +struct ide_devset { + int (*get)(ide_drive_t *); + int (*set)(ide_drive_t *, int); + unsigned int flags; +}; + +#define __DEVSET(_flags, _get, _set) { \ + .flags = _flags, \ + .get = _get, \ + .set = _set, \ +} #define ide_devset_get(name, field) \ -int get_##name(ide_drive_t *drive) \ +static int get_##name(ide_drive_t *drive) \ { \ return drive->field; \ } #define ide_devset_set(name, field) \ -int set_##name(ide_drive_t *drive, int arg) \ +static int set_##name(ide_drive_t *drive, int arg) \ { \ drive->field = arg; \ return 0; \ } +#define __IDE_DEVSET(_name, _flags, _get, _set) \ +const struct ide_devset ide_devset_##_name = \ + __DEVSET(_flags, _get, _set) + +#define IDE_DEVSET(_name, _flags, _get, _set) \ +static __IDE_DEVSET(_name, _flags, _get, _set) + +#define ide_devset_rw(_name, _func) \ +IDE_DEVSET(_name, 0, get_##_func, set_##_func) + +#define ide_devset_w(_name, _func) \ +IDE_DEVSET(_name, 0, NULL, set_##_func) + +#define ide_devset_rw_sync(_name, _func) \ +IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) + +#define ide_decl_devset(_name) \ +extern const struct ide_devset ide_devset_##_name + +ide_decl_devset(io_32bit); +ide_decl_devset(keepsettings); +ide_decl_devset(pio_mode); +ide_decl_devset(unmaskirq); +ide_decl_devset(using_dma); + /* ATAPI packet command flags */ enum { /* set when an error is considered normal - no retry (ide-tape) */ @@ -797,60 +831,34 @@ struct ide_atapi_pc { #ifdef CONFIG_IDE_PROC_FS /* - * configurable drive settings + * /proc/ide interface */ -#define S_READ (1 << 0) -#define S_WRITE (1 << 1) -#define S_RW (S_READ | S_WRITE) -#define S_NOLOCK (1 << 2) - -struct ide_devset { - const char *name; - unsigned int flags; - int min, max; - int (*get)(ide_drive_t *); - int (*set)(ide_drive_t *, int); - int (*mulf)(ide_drive_t *); - int (*divf)(ide_drive_t *); +#define ide_devset_rw_field(_name, _field) \ +ide_devset_get(_name, _field); \ +ide_devset_set(_name, _field); \ +IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) + +struct ide_proc_devset { + const char *name; + const struct ide_devset *setting; + int min, max; + int (*mulf)(ide_drive_t *); + int (*divf)(ide_drive_t *); }; -#define __DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) { \ - .name = __stringify(_name), \ - .flags = _flags, \ - .min = _min, \ - .max = _max, \ - .get = _get, \ - .set = _set, \ - .mulf = _mulf, \ - .divf = _divf, \ +#define __IDE_PROC_DEVSET(_name, _min, _max, _mulf, _divf) { \ + .name = __stringify(_name), \ + .setting = &ide_devset_##_name, \ + .min = _min, \ + .max = _max, \ + .mulf = _mulf, \ + .divf = _divf, \ } -#define __IDE_DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) \ -static const struct ide_devset ide_devset_##_name = \ - __DEVSET(_name, _flags, _min, _max, _get, _set, _mulf, _divf) - -#define IDE_DEVSET(_name, _flags, _min, _max, _get, _set) \ -__IDE_DEVSET(_name, _flags, _min, _max, _get, _set, NULL, NULL) - -#define ide_devset_rw_nolock(_name, _min, _max, _func) \ -IDE_DEVSET(_name, S_RW | S_NOLOCK, _min, _max, get_##_func, set_##_func) +#define IDE_PROC_DEVSET(_name, _min, _max) \ +__IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL) -#define ide_devset_w_nolock(_name, _min, _max, _func) \ -IDE_DEVSET(_name, S_WRITE | S_NOLOCK, _min, _max, NULL, set_##_func) - -#define ide_devset_rw(_name, _min, _max, _field) \ -static ide_devset_get(_name, _field); \ -static ide_devset_set(_name, _field); \ -IDE_DEVSET(_name, S_RW, _min, _max, get_##_name, set_##_name) - -#define ide_devset_r(_name, _min, _max, _field) \ -ide_devset_get(_name, _field) \ -IDE_DEVSET(_name, S_READ, _min, _max, get_##_name, NULL) - -/* - * /proc/ide interface - */ typedef struct { const char *name; mode_t mode; @@ -948,8 +956,8 @@ struct ide_driver_s { void (*resume)(ide_drive_t *); void (*shutdown)(ide_drive_t *); #ifdef CONFIG_IDE_PROC_FS - ide_proc_entry_t *proc; - const struct ide_devset **settings; + ide_proc_entry_t *proc; + const struct ide_proc_devset *settings; #endif }; @@ -961,9 +969,7 @@ void ide_device_put(ide_drive_t *); struct ide_ioctl_devset { unsigned int get_ioctl; unsigned int set_ioctl; - - int (*get)(ide_drive_t *); - int (*set)(ide_drive_t *, int); + const struct ide_devset *setting; }; int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int, @@ -1002,6 +1008,9 @@ int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); extern ide_startstop_t ide_do_reset (ide_drive_t *); +extern int ide_devset_execute(ide_drive_t *drive, + const struct ide_devset *setting, int arg); + extern void ide_do_drive_cmd(ide_drive_t *, struct request *); extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); @@ -1191,7 +1200,6 @@ extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout); extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); -extern int ide_spin_wait_hwgroup(ide_drive_t *); extern void ide_timer_expiry(unsigned long); extern irqreturn_t ide_intr(int irq, void *dev_id); extern void do_ide_request(struct request_queue *); -- GitLab From 1839faab9a2747bcd30ee14e50575a39bf6735d4 Mon Sep 17 00:00:00 2001 From: Tobias Brunner Date: Fri, 10 Oct 2008 14:07:03 -0700 Subject: [PATCH 3604/6244] af_key: fix SADB_X_SPDDELETE response When deleting an SPD entry using SADB_X_SPDDELETE, c.data.byid is not initialized to zero in pfkey_spddelete(). Thus, key_notify_policy() responds with a PF_KEY message of type SADB_X_SPDDELETE2 instead of SADB_X_SPDDELETE. Signed-off-by: Tobias Brunner Signed-off-by: David S. Miller --- net/key/af_key.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/key/af_key.c b/net/key/af_key.c index 362fe317e1f3..e55e0441e4d9 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2341,6 +2341,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg c.seq = hdr->sadb_msg_seq; c.pid = hdr->sadb_msg_pid; + c.data.byid = 0; c.event = XFRM_MSG_DELPOLICY; km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c); -- GitLab From a2de6b89b74b28052e293fdb39975a5a03c432e0 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Thu, 4 Sep 2008 00:17:12 +0200 Subject: [PATCH 3605/6244] r8169: wake up the PHY of the 8168 This is typically needed when some other OS puts the PHY to sleep due to the disabling of WOL options in the BIOS of the system. Signed-off-by: Francois Romieu Tested-by: Chiaki Ishikawa Cc: Edward Hsu Cc: RyanKao --- drivers/net/r8169.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 59fbc64d7c47..9881563898d7 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -865,9 +865,13 @@ static int rtl8169_set_speed_xmii(struct net_device *dev, auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; - if ((tp->mac_version == RTL_GIGA_MAC_VER_12) || - (tp->mac_version == RTL_GIGA_MAC_VER_17)) { - /* Vendor specific (0x1f) and reserved (0x0e) MII registers. */ + if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || + (tp->mac_version == RTL_GIGA_MAC_VER_12) || + (tp->mac_version >= RTL_GIGA_MAC_VER_17)) { + /* + * Wake up the PHY. + * Vendor specific (0x1f) and reserved (0x0e) MII registers. + */ mdio_write(ioaddr, 0x1f, 0x0000); mdio_write(ioaddr, 0x0e, 0x0000); } -- GitLab From f50d4275422415cfb2a5b94bad3b2b229d0ec1aa Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Fri, 30 May 2008 16:07:07 +0200 Subject: [PATCH 3606/6244] r8169: update phy init parameters The modified parameters are synced with Realtek's driver version 8.006.00. The change should only be noticeable with some 8168c. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 9881563898d7..62e111591567 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1379,26 +1379,45 @@ static void rtl8168c_hw_phy_config(void __iomem *ioaddr) { 0x1f, 0x0003 }, { 0x12, 0xc096 }, { 0x16, 0x000a }, - { 0x1f, 0x0000 } + { 0x1f, 0x0000 }, + { 0x1f, 0x0000 }, + { 0x09, 0x2000 }, + { 0x09, 0x0000 } }; rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); } static void rtl8168cx_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { - { 0x1f, 0x0000 }, + { 0x1f, 0x0001 }, { 0x12, 0x2300 }, - { 0x1f, 0x0003 }, - { 0x16, 0x0f0a }, - { 0x1f, 0x0000 }, + { 0x03, 0x802f }, + { 0x02, 0x4f02 }, + { 0x01, 0x0409 }, + { 0x00, 0xf099 }, + { 0x04, 0x9800 }, + { 0x04, 0x9000 }, + { 0x1d, 0x3d98 }, { 0x1f, 0x0002 }, { 0x0c, 0x7eb8 }, + { 0x06, 0x0761 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, { 0x1f, 0x0000 } }; rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); } static void rtl8102e_hw_phy_config(void __iomem *ioaddr) -- GitLab From 236b8082aa239e91c3cd9cb466d0527a735e54db Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Fri, 30 May 2008 16:11:48 +0200 Subject: [PATCH 3607/6244] r8169: new phy init parameters for the 8168b The new parameters are synced with Realtek's driver version 8.006.00. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 62e111591567..8086bacabcf3 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1350,6 +1350,30 @@ static void rtl8169sb_hw_phy_config(void __iomem *ioaddr) rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } +static void rtl8168bb_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0001); + mdio_patch(ioaddr, 0x16, 1 << 0); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + +static void rtl8168bef_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x10, 0xf41b }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + static void rtl8168cp_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { @@ -1458,6 +1482,15 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_09: rtl8102e_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_11: + rtl8168bb_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_12: + rtl8168bef_hw_phy_config(ioaddr); + break; + case RTL_GIGA_MAC_VER_17: + rtl8168bef_hw_phy_config(ioaddr); + break; case RTL_GIGA_MAC_VER_18: rtl8168cp_hw_phy_config(ioaddr); break; -- GitLab From b8363901596f64ef74db906df0c4a95daea47464 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 1 Jun 2008 12:31:57 +0200 Subject: [PATCH 3608/6244] r8169: shuffle some registers handling around (8168 operation only) I can not argue strongly for (or against) a specific ordering on a purely technical ground but the patch avoids to swallow Realtek's changes in one big, hard-to-read gulp. Let aside the way the RxConfig register is written (see rtl_set_rx_tx_config_registers / RxConfig / rtl_set_rx_mode), this change brings the registers write ordering closer with Realtek's driver one (version 8.006.00) for the 8168 chipsets. More 8168 specific code which touches the Configx registers will be added in the section covered by Cfg9346_UnLock / Cfg9346_Lock. This code should not be the cause of regression for 810x and 8110 users. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 8086bacabcf3..273afb561707 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2396,14 +2396,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_set_rx_max_size(ioaddr); - rtl_set_rx_tx_config_registers(tp); - tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; RTL_W16(CPlusCmd, tp->cp_cmd); - rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); - RTL_W16(IntrMitigate, 0x5151); /* Work around for RxFIFO overflow. */ @@ -2414,14 +2410,19 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_set_rx_tx_desc_registers(tp, ioaddr); - RTL_W8(Cfg9346, Cfg9346_Lock); + rtl_set_rx_mode(dev); + + RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | + (InterFrameGap << TxInterFrameGapShift)); RTL_R8(IntrMask); - rtl_set_rx_mode(dev); + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); + RTL_W8(Cfg9346, Cfg9346_Lock); + RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); RTL_W16(IntrMask, tp->intr_event); -- GitLab From 219a1e9d46dcc21f279c428941ded2328f1a5ee5 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 28 Jun 2008 11:58:39 +0200 Subject: [PATCH 3609/6244] r8169: make room for more specific 8168 hardware start procedure Broadly speaking the 8168c* share some common code which will be factored in __rtl_hw_start_8168cp. The 8168b* share some code too but it will be a bit different. Any change of behavior should be confined to the currently unidentified 8168 chipsets. They will not be applied the Tx performance tweak and will emit a warning instead. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 66 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 61 insertions(+), 5 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 273afb561707..60d2ded55712 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1387,7 +1387,7 @@ static void rtl8168cp_hw_phy_config(void __iomem *ioaddr) rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } -static void rtl8168c_hw_phy_config(void __iomem *ioaddr) +static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { { 0x1f, 0x0001 }, @@ -1416,7 +1416,7 @@ static void rtl8168c_hw_phy_config(void __iomem *ioaddr) mdio_write(ioaddr, 0x1f, 0x0000); } -static void rtl8168cx_hw_phy_config(void __iomem *ioaddr) +static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { { 0x1f, 0x0001 }, @@ -1495,10 +1495,10 @@ static void rtl_hw_phy_config(struct net_device *dev) rtl8168cp_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_19: - rtl8168c_hw_phy_config(ioaddr); + rtl8168c_1_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_20: - rtl8168cx_hw_phy_config(ioaddr); + rtl8168c_2_hw_phy_config(ioaddr); break; default: break; @@ -2384,6 +2384,36 @@ static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) } } +static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +} + +static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168bb(ioaddr, pdev); +} + +static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); +} + +static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) +{ + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) +{ + __rtl_hw_start_8168cp(ioaddr, pdev); +} + +static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + __rtl_hw_start_8168cp(ioaddr, pdev); +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -2417,7 +2447,33 @@ static void rtl_hw_start_8168(struct net_device *dev) RTL_R8(IntrMask); - rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_11: + rtl_hw_start_8168bb(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_12: + case RTL_GIGA_MAC_VER_17: + rtl_hw_start_8168bef(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_18: + rtl_hw_start_8168cp(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_19: + rtl_hw_start_8168c_1(ioaddr, pdev); + break; + + case RTL_GIGA_MAC_VER_20: + rtl_hw_start_8168c_2(ioaddr, pdev); + break; + + default: + printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", + dev->name, tp->mac_version); + break; + } RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); -- GitLab From 2e68ae44309bfadccdb5ddd68b9c38d2a1efeb94 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 28 Jun 2008 12:00:55 +0200 Subject: [PATCH 3610/6244] r8169: 8168b Tx performance tweak Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 60d2ded55712..f929dbada84e 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2386,7 +2386,8 @@ static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) { - rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + rtl_tx_performance_tweak(pdev, + (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); } static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev) -- GitLab From b726e493e8dc13537d1d7f8cd66bcd28516606c3 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 28 Jun 2008 12:22:59 +0200 Subject: [PATCH 3611/6244] r8169: sync existing 8168 device hardware start sequences with vendor driver This part of the driver should be reasonably in line with Realtek's 8.006.00 driver. I have left some bits related to jumbo frame and optional features aside for now. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 75 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index f929dbada84e..f0f842d7b941 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2384,8 +2384,38 @@ static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len) } } +static void rtl_disable_clock_request(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + int cap = tp->pcie_cap; + + if (cap) { + u16 ctl; + + pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); + ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; + pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); + } +} + +#define R8168_CPCMD_QUIRK_MASK (\ + EnableBist | \ + Mac_dbgo_oe | \ + Force_half_dup | \ + Force_rxflow_en | \ + Force_txflow_en | \ + Cxpl_dbg_sel | \ + ASF | \ + PktCntrDisable | \ + Mac_dbgo_sel) + static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) { + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); + rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); } @@ -2393,25 +2423,70 @@ static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev) static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev) { rtl_hw_start_8168bb(ioaddr, pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0)); } static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) { + RTL_W8(Config1, RTL_R8(Config1) | Speed_down); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + rtl_disable_clock_request(pdev); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); } static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) { + static struct ephy_info e_info_8168cp[] = { + { 0x01, 0, 0x0001 }, + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0042 }, + { 0x06, 0x0080, 0x0000 }, + { 0x07, 0, 0x2000 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); + __rtl_hw_start_8168cp(ioaddr, pdev); } static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) { + static struct ephy_info e_info_8168c_1[] = { + { 0x02, 0x0800, 0x1000 }, + { 0x03, 0, 0x0002 }, + { 0x06, 0x0080, 0x0000 } + }; + + rtl_csi_access_enable(ioaddr); + + RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); + + rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); + __rtl_hw_start_8168cp(ioaddr, pdev); } static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev) { + static struct ephy_info e_info_8168c_2[] = { + { 0x01, 0, 0x0001 }, + { 0x03, 0x0400, 0x0220 } + }; + + rtl_csi_access_enable(ioaddr); + + rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); + __rtl_hw_start_8168cp(ioaddr, pdev); } -- GitLab From 197ff761dbf9fa5de9a4684a51ee5cb534cbb852 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 28 Jun 2008 13:16:02 +0200 Subject: [PATCH 3612/6244] r8169: add a new 8168c flavor Taken from Realtek's 8.006.00 r8168 driver. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 41 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index f0f842d7b941..9681aca75afe 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -109,7 +109,8 @@ enum mac_version { RTL_GIGA_MAC_VER_17 = 0x10, // 8168Bf RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP RTL_GIGA_MAC_VER_19 = 0x13, // 8168C - RTL_GIGA_MAC_VER_20 = 0x14 // 8168C + RTL_GIGA_MAC_VER_20 = 0x14, // 8168C + RTL_GIGA_MAC_VER_21 = 0x15 // 8168C }; #define _R(NAME,MAC,MASK) \ @@ -139,7 +140,8 @@ static const struct { _R("RTL8101e", RTL_GIGA_MAC_VER_16, 0xff7e1880), // PCI-E _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E - _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880) // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880) // PCI-E }; #undef _R @@ -1220,6 +1222,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, + { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_20 }, /* 8168B family. */ @@ -1444,6 +1447,28 @@ static void rtl8168c_2_hw_phy_config(void __iomem *ioaddr) mdio_write(ioaddr, 0x1f, 0x0000); } +static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x12, 0x2300 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0002 }, + { 0x0c, 0x7eb8 }, + { 0x06, 0x5461 }, + { 0x1f, 0x0003 }, + { 0x16, 0x0f0a }, + { 0x1f, 0x0000 } + }; + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); + + mdio_patch(ioaddr, 0x16, 1 << 0); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + mdio_write(ioaddr, 0x1f, 0x0000); +} + static void rtl8102e_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { @@ -1500,6 +1525,9 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_20: rtl8168c_2_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_21: + rtl8168c_3_hw_phy_config(ioaddr); + break; default: break; } @@ -2490,6 +2518,11 @@ static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev) __rtl_hw_start_8168cp(ioaddr, pdev); } +static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_hw_start_8168c_2(ioaddr, pdev); +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -2545,6 +2578,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_hw_start_8168c_2(ioaddr, pdev); break; + case RTL_GIGA_MAC_VER_21: + rtl_hw_start_8168c_3(ioaddr, pdev); + break; + default: printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", dev->name, tp->mac_version); -- GitLab From 6fb07058d2b6c748c308e4ee453035433d34ca93 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 29 Jun 2008 11:54:28 +0200 Subject: [PATCH 3613/6244] r8169: add a new 8168c flavor (bis) Taken from Realtek's 8.006.00 r8168 driver. I have left some bits related to jumbo frame aside for now. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 9681aca75afe..9a0d4e631afe 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -110,7 +110,8 @@ enum mac_version { RTL_GIGA_MAC_VER_18 = 0x12, // 8168CP RTL_GIGA_MAC_VER_19 = 0x13, // 8168C RTL_GIGA_MAC_VER_20 = 0x14, // 8168C - RTL_GIGA_MAC_VER_21 = 0x15 // 8168C + RTL_GIGA_MAC_VER_21 = 0x15, // 8168C + RTL_GIGA_MAC_VER_22 = 0x16 // 8168C }; #define _R(NAME,MAC,MASK) \ @@ -141,7 +142,8 @@ static const struct { _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_18, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E - _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880) // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880) // PCI-E }; #undef _R @@ -1223,6 +1225,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, + { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_20 }, /* 8168B family. */ @@ -1469,6 +1472,11 @@ static void rtl8168c_3_hw_phy_config(void __iomem *ioaddr) mdio_write(ioaddr, 0x1f, 0x0000); } +static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr) +{ + rtl8168c_3_hw_phy_config(ioaddr); +} + static void rtl8102e_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { @@ -1528,6 +1536,9 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_21: rtl8168c_3_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_22: + rtl8168c_4_hw_phy_config(ioaddr); + break; default: break; } @@ -2523,6 +2534,13 @@ static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev) rtl_hw_start_8168c_2(ioaddr, pdev); } +static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + __rtl_hw_start_8168cp(ioaddr, pdev); +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -2582,6 +2600,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_hw_start_8168c_3(ioaddr, pdev); break; + case RTL_GIGA_MAC_VER_22: + rtl_hw_start_8168c_4(ioaddr, pdev); + break; + default: printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", dev->name, tp->mac_version); -- GitLab From ef3386f00fcd18a40343047329ec7ed2eb98bbe8 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 29 Jun 2008 12:24:30 +0200 Subject: [PATCH 3614/6244] r8169: add a new 8168cp flavor Taken from Realtek's 8.006.00 r8168 driver. I have left some bits related to jumbo frame aside for now. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 49 +++++++++++++++++++++++++++++++++++++++------ 1 file changed, 43 insertions(+), 6 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 9a0d4e631afe..775dc84336bb 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -111,7 +111,8 @@ enum mac_version { RTL_GIGA_MAC_VER_19 = 0x13, // 8168C RTL_GIGA_MAC_VER_20 = 0x14, // 8168C RTL_GIGA_MAC_VER_21 = 0x15, // 8168C - RTL_GIGA_MAC_VER_22 = 0x16 // 8168C + RTL_GIGA_MAC_VER_22 = 0x16, // 8168C + RTL_GIGA_MAC_VER_23 = 0x17 // 8168CP }; #define _R(NAME,MAC,MASK) \ @@ -143,7 +144,8 @@ static const struct { _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E - _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880) // PCI-E + _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880) // PCI-E }; #undef _R @@ -1221,6 +1223,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, int mac_version; } mac_info[] = { /* 8168B family. */ + { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, @@ -1380,7 +1383,7 @@ static void rtl8168bef_hw_phy_config(void __iomem *ioaddr) rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } -static void rtl8168cp_hw_phy_config(void __iomem *ioaddr) +static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { { 0x1f, 0x0000 }, @@ -1393,6 +1396,21 @@ static void rtl8168cp_hw_phy_config(void __iomem *ioaddr) rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); } +static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init[] = { + { 0x1f, 0x0001 }, + { 0x1d, 0x3d98 }, + { 0x1f, 0x0000 } + }; + + mdio_write(ioaddr, 0x1f, 0x0000); + mdio_patch(ioaddr, 0x14, 1 << 5); + mdio_patch(ioaddr, 0x0d, 1 << 5); + + rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); +} + static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { @@ -1525,7 +1543,7 @@ static void rtl_hw_phy_config(struct net_device *dev) rtl8168bef_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_18: - rtl8168cp_hw_phy_config(ioaddr); + rtl8168cp_1_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_19: rtl8168c_1_hw_phy_config(ioaddr); @@ -1539,6 +1557,10 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_22: rtl8168c_4_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_23: + rtl8168cp_2_hw_phy_config(ioaddr); + break; + default: break; } @@ -2481,7 +2503,7 @@ static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); } -static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) +static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev) { static struct ephy_info e_info_8168cp[] = { { 0x01, 0, 0x0001 }, @@ -2498,6 +2520,17 @@ static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev) __rtl_hw_start_8168cp(ioaddr, pdev); } +static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) { static struct ephy_info e_info_8168c_1[] = { @@ -2585,7 +2618,7 @@ static void rtl_hw_start_8168(struct net_device *dev) break; case RTL_GIGA_MAC_VER_18: - rtl_hw_start_8168cp(ioaddr, pdev); + rtl_hw_start_8168cp_1(ioaddr, pdev); break; case RTL_GIGA_MAC_VER_19: @@ -2604,6 +2637,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_hw_start_8168c_4(ioaddr, pdev); break; + case RTL_GIGA_MAC_VER_23: + rtl_hw_start_8168cp_2(ioaddr, pdev); + break; + default: printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", dev->name, tp->mac_version); -- GitLab From ef808d502cc3b18b2d823bbe8c03c0b8ea0df1b5 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 29 Jun 2008 13:10:54 +0200 Subject: [PATCH 3615/6244] r8169: change default behavior for mildly identified 8168c chipsets The addition of a new device has so far implied a specialization of these masks. While they identify 8168c devices, they can be expected to be further refined as they have been by Realtek so far. The change should bring the driver closer to the version 8.006.00 of Realtek's 8168 driver. Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 775dc84336bb..4edc6b0d2b9a 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -1222,14 +1222,15 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, u32 val; int mac_version; } mac_info[] = { - /* 8168B family. */ + /* 8168C family. */ { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, - { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, + { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, + { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_23 }, { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, - { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_20 }, + { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, /* 8168B family. */ { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, -- GitLab From 7f3e3d3a69da262016db6eec803881603c61ddf6 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 20 Jul 2008 18:53:20 +0200 Subject: [PATCH 3616/6244] r8169: support additional 8168cp chipset Taken from Realtek's 8.007.00 r8168 driver. Signed-off-by: Francois Romieu Fixed-by: Ivan Vecera Cc: Edward Hsu --- drivers/net/r8169.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 4edc6b0d2b9a..96b9b0bb4705 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -112,7 +112,8 @@ enum mac_version { RTL_GIGA_MAC_VER_20 = 0x14, // 8168C RTL_GIGA_MAC_VER_21 = 0x15, // 8168C RTL_GIGA_MAC_VER_22 = 0x16, // 8168C - RTL_GIGA_MAC_VER_23 = 0x17 // 8168CP + RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP + RTL_GIGA_MAC_VER_24 = 0x18 // 8168CP }; #define _R(NAME,MAC,MASK) \ @@ -145,7 +146,8 @@ static const struct { _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E - _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880) // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880) // PCI-E }; #undef _R @@ -1223,9 +1225,10 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, int mac_version; } mac_info[] = { /* 8168C family. */ + { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, - { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_23 }, + { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, @@ -1559,6 +1562,7 @@ static void rtl_hw_phy_config(struct net_device *dev) rtl8168c_4_hw_phy_config(ioaddr); break; case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: rtl8168cp_2_hw_phy_config(ioaddr); break; @@ -2532,6 +2536,22 @@ static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev) RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); } +static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); + + /* Magic. */ + RTL_W8(DBG_REG, 0x20); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev) { static struct ephy_info e_info_8168c_1[] = { @@ -2642,6 +2662,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_hw_start_8168cp_2(ioaddr, pdev); break; + case RTL_GIGA_MAC_VER_24: + rtl_hw_start_8168cp_3(ioaddr, pdev); + break; + default: printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", dev->name, tp->mac_version); -- GitLab From 5b538df9dedb3469b688b93ffab2a7efb64c88e3 Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sun, 20 Jul 2008 16:22:45 +0200 Subject: [PATCH 3617/6244] r8169: preliminary 8168d support Taken from Realtek's 8.007.00 r8168 driver. Signed-off-by: Francois Romieu Fixed-by: Ivan Vecera Cc: Edward Hsu --- drivers/net/r8169.c | 99 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 97 insertions(+), 2 deletions(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 96b9b0bb4705..02b11a0814dd 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -113,7 +113,8 @@ enum mac_version { RTL_GIGA_MAC_VER_21 = 0x15, // 8168C RTL_GIGA_MAC_VER_22 = 0x16, // 8168C RTL_GIGA_MAC_VER_23 = 0x17, // 8168CP - RTL_GIGA_MAC_VER_24 = 0x18 // 8168CP + RTL_GIGA_MAC_VER_24 = 0x18, // 8168CP + RTL_GIGA_MAC_VER_25 = 0x19 // 8168D }; #define _R(NAME,MAC,MASK) \ @@ -147,7 +148,8 @@ static const struct { _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E _R("RTL8168c/8111c", RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_23, 0xff7e1880), // PCI-E - _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880) // PCI-E + _R("RTL8168cp/8111cp", RTL_GIGA_MAC_VER_24, 0xff7e1880), // PCI-E + _R("RTL8168d/8111d", RTL_GIGA_MAC_VER_25, 0xff7e1880) // PCI-E }; #undef _R @@ -1224,6 +1226,9 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp, u32 val; int mac_version; } mac_info[] = { + /* 8168D family. */ + { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 }, + /* 8168C family. */ { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, @@ -1499,6 +1504,76 @@ static void rtl8168c_4_hw_phy_config(void __iomem *ioaddr) rtl8168c_3_hw_phy_config(ioaddr); } +static void rtl8168d_hw_phy_config(void __iomem *ioaddr) +{ + struct phy_reg phy_reg_init_0[] = { + { 0x1f, 0x0001 }, + { 0x09, 0x2770 }, + { 0x08, 0x04d0 }, + { 0x0b, 0xad15 }, + { 0x0c, 0x5bf0 }, + { 0x1c, 0xf101 }, + { 0x1f, 0x0003 }, + { 0x14, 0x94d7 }, + { 0x12, 0xf4d6 }, + { 0x09, 0xca0f }, + { 0x1f, 0x0002 }, + { 0x0b, 0x0b10 }, + { 0x0c, 0xd1f7 }, + { 0x1f, 0x0002 }, + { 0x06, 0x5461 }, + { 0x1f, 0x0002 }, + { 0x05, 0x6662 }, + { 0x1f, 0x0000 }, + { 0x14, 0x0060 }, + { 0x1f, 0x0000 }, + { 0x0d, 0xf8a0 }, + { 0x1f, 0x0005 }, + { 0x05, 0xffc2 } + }; + + rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); + + if (mdio_read(ioaddr, 0x06) == 0xc400) { + struct phy_reg phy_reg_init_1[] = { + { 0x1f, 0x0005 }, + { 0x01, 0x0300 }, + { 0x1f, 0x0000 }, + { 0x11, 0x401c }, + { 0x16, 0x4100 }, + { 0x1f, 0x0005 }, + { 0x07, 0x0010 }, + { 0x05, 0x83dc }, + { 0x06, 0x087d }, + { 0x05, 0x8300 }, + { 0x06, 0x0101 }, + { 0x06, 0x05f8 }, + { 0x06, 0xf9fa }, + { 0x06, 0xfbef }, + { 0x06, 0x79e2 }, + { 0x06, 0x835f }, + { 0x06, 0xe0f8 }, + { 0x06, 0x9ae1 }, + { 0x06, 0xf89b }, + { 0x06, 0xef31 }, + { 0x06, 0x3b65 }, + { 0x06, 0xaa07 }, + { 0x06, 0x81e4 }, + { 0x06, 0xf89a }, + { 0x06, 0xe5f8 }, + { 0x06, 0x9baf }, + { 0x06, 0x06ae }, + { 0x05, 0x83dc }, + { 0x06, 0x8300 }, + }; + + rtl_phy_write(ioaddr, phy_reg_init_1, + ARRAY_SIZE(phy_reg_init_1)); + } + + mdio_write(ioaddr, 0x1f, 0x0000); +} + static void rtl8102e_hw_phy_config(void __iomem *ioaddr) { struct phy_reg phy_reg_init[] = { @@ -1565,6 +1640,9 @@ static void rtl_hw_phy_config(struct net_device *dev) case RTL_GIGA_MAC_VER_24: rtl8168cp_2_hw_phy_config(ioaddr); break; + case RTL_GIGA_MAC_VER_25: + rtl8168d_hw_phy_config(ioaddr); + break; default: break; @@ -2595,6 +2673,19 @@ static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev) __rtl_hw_start_8168cp(ioaddr, pdev); } +static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev) +{ + rtl_csi_access_enable(ioaddr); + + rtl_disable_clock_request(pdev); + + RTL_W8(EarlyTxThres, EarlyTxThld); + + rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); + + RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); +} + static void rtl_hw_start_8168(struct net_device *dev) { struct rtl8169_private *tp = netdev_priv(dev); @@ -2666,6 +2757,10 @@ static void rtl_hw_start_8168(struct net_device *dev) rtl_hw_start_8168cp_3(ioaddr, pdev); break; + case RTL_GIGA_MAC_VER_25: + rtl_hw_start_8168d(ioaddr, pdev); + break; + default: printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n", dev->name, tp->mac_version); -- GitLab From 1765f95d2db0a516b5816e016fdf459c4bb5affb Mon Sep 17 00:00:00 2001 From: Francois Romieu Date: Sat, 13 Sep 2008 17:21:40 +0200 Subject: [PATCH 3618/6244] r8169: add shutdown handler Signed-off-by: Francois Romieu Cc: Edward Hsu --- drivers/net/r8169.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 02b11a0814dd..bdae2c59a750 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -3874,6 +3874,11 @@ out: return 0; } +static void rtl_shutdown(struct pci_dev *pdev) +{ + rtl8169_suspend(pdev, PMSG_SUSPEND); +} + #endif /* CONFIG_PM */ static struct pci_driver rtl8169_pci_driver = { @@ -3884,6 +3889,7 @@ static struct pci_driver rtl8169_pci_driver = { #ifdef CONFIG_PM .suspend = rtl8169_suspend, .resume = rtl8169_resume, + .shutdown = rtl_shutdown, #endif }; -- GitLab From 2ef3783608668a32e497a16cb8696cee9b0aa47c Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Fri, 10 Oct 2008 14:33:37 -0700 Subject: [PATCH 3619/6244] myri10ge: update driver version number to 1.4.3-1.369 Update myri10ge driver version number to 1.4.3-1.369. Signed-off-by: Brice Goglin Signed-off-by: David S. Miller --- drivers/net/myri10ge/myri10ge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 8cec6f3c2f8b..6dce901c7f45 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.3-1.358" +#define MYRI10GE_VERSION_STR "1.4.3-1.369" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); -- GitLab From f89c5edb86abfac4c914f4eb808b07684164eca0 Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Sat, 11 Oct 2008 09:03:39 +1100 Subject: [PATCH 3620/6244] Remove the BKL calls from the TPM driver, which were added in the overall misc-char-dev-BKL-pushdown.patch, as they are not needed. Signed-off-by: Mimi Zohar Signed-off-by: Rajiv Andrade Cc: "Serge E. Hallyn" Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index ae766d868454..ceba6082bd96 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -954,13 +954,16 @@ EXPORT_SYMBOL_GPL(tpm_store_cancel); /* * Device file system interface to the TPM + * + * It's assured that the chip will be opened just once, + * by the check of is_open variable, which is protected + * by driver_lock. */ int tpm_open(struct inode *inode, struct file *file) { int rc = 0, minor = iminor(inode); struct tpm_chip *chip = NULL, *pos; - lock_kernel(); spin_lock(&driver_lock); list_for_each_entry(pos, &tpm_chip_list, list) { @@ -990,19 +993,16 @@ int tpm_open(struct inode *inode, struct file *file) if (chip->data_buffer == NULL) { chip->num_opens--; put_device(chip->dev); - unlock_kernel(); return -ENOMEM; } atomic_set(&chip->data_pending, 0); file->private_data = chip; - unlock_kernel(); return 0; err_out: spin_unlock(&driver_lock); - unlock_kernel(); return rc; } EXPORT_SYMBOL_GPL(tpm_open); -- GitLab From dc36d32cc5bea5e985294c79995e10a159c3019a Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Sat, 11 Oct 2008 09:04:02 +1100 Subject: [PATCH 3621/6244] Renames num_open to is_open, as only one process can open the file at a time. Signed-off-by: Mimi Zohar Signed-off-by: Rajiv Andrade Cc: "Serge E. Hallyn" Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 7 +++---- drivers/char/tpm/tpm.h | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index ceba6082bd96..dfd4e7fc350b 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -978,20 +978,19 @@ int tpm_open(struct inode *inode, struct file *file) goto err_out; } - if (chip->num_opens) { + if (test_and_set_bit(0, &chip->is_open)) { dev_dbg(chip->dev, "Another process owns this TPM\n"); rc = -EBUSY; goto err_out; } - chip->num_opens++; get_device(chip->dev); spin_unlock(&driver_lock); chip->data_buffer = kmalloc(TPM_BUFSIZE * sizeof(u8), GFP_KERNEL); if (chip->data_buffer == NULL) { - chip->num_opens--; + clear_bit(0, &chip->is_open); put_device(chip->dev); return -ENOMEM; } @@ -1016,7 +1015,7 @@ int tpm_release(struct inode *inode, struct file *file) file->private_data = NULL; del_singleshot_timer_sync(&chip->user_read_timer); atomic_set(&chip->data_pending, 0); - chip->num_opens--; + clear_bit(0, &chip->is_open); put_device(chip->dev); kfree(chip->data_buffer); spin_unlock(&driver_lock); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index e885148b4cfb..2756cab9aee3 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -90,7 +90,7 @@ struct tpm_chip { struct device *dev; /* Device stuff */ int dev_num; /* /dev/tpm# */ - int num_opens; /* only one allowed */ + unsigned long is_open; /* only one allowed */ int time_expired; /* Data passed to and from the tpm via the read/write calls */ -- GitLab From f02a93645e6200a9da0f26dac8ced28c612f5e86 Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Sat, 11 Oct 2008 09:04:23 +1100 Subject: [PATCH 3622/6244] Protect tpm_chip_list when transversing it. Signed-off-by: Mimi Zohar Signed-off-by: Rajiv Andrade Acked-by: Serge E. Hallyn Cc: "Paul E. McKenney" Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 61 +++++++++++++++++------------------------- 1 file changed, 24 insertions(+), 37 deletions(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index dfd4e7fc350b..4f18f84b498a 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -961,33 +961,28 @@ EXPORT_SYMBOL_GPL(tpm_store_cancel); */ int tpm_open(struct inode *inode, struct file *file) { - int rc = 0, minor = iminor(inode); + int minor = iminor(inode); struct tpm_chip *chip = NULL, *pos; - spin_lock(&driver_lock); - - list_for_each_entry(pos, &tpm_chip_list, list) { + rcu_read_lock(); + list_for_each_entry_rcu(pos, &tpm_chip_list, list) { if (pos->vendor.miscdev.minor == minor) { chip = pos; + get_device(chip->dev); break; } } + rcu_read_unlock(); - if (chip == NULL) { - rc = -ENODEV; - goto err_out; - } + if (!chip) + return -ENODEV; if (test_and_set_bit(0, &chip->is_open)) { dev_dbg(chip->dev, "Another process owns this TPM\n"); - rc = -EBUSY; - goto err_out; + put_device(chip->dev); + return -EBUSY; } - get_device(chip->dev); - - spin_unlock(&driver_lock); - chip->data_buffer = kmalloc(TPM_BUFSIZE * sizeof(u8), GFP_KERNEL); if (chip->data_buffer == NULL) { clear_bit(0, &chip->is_open); @@ -999,26 +994,23 @@ int tpm_open(struct inode *inode, struct file *file) file->private_data = chip; return 0; - -err_out: - spin_unlock(&driver_lock); - return rc; } EXPORT_SYMBOL_GPL(tpm_open); +/* + * Called on file close + */ int tpm_release(struct inode *inode, struct file *file) { struct tpm_chip *chip = file->private_data; flush_scheduled_work(); - spin_lock(&driver_lock); file->private_data = NULL; del_singleshot_timer_sync(&chip->user_read_timer); atomic_set(&chip->data_pending, 0); + kfree(chip->data_buffer); clear_bit(0, &chip->is_open); put_device(chip->dev); - kfree(chip->data_buffer); - spin_unlock(&driver_lock); return 0; } EXPORT_SYMBOL_GPL(tpm_release); @@ -1092,13 +1084,11 @@ void tpm_remove_hardware(struct device *dev) } spin_lock(&driver_lock); - - list_del(&chip->list); - + list_del_rcu(&chip->list); spin_unlock(&driver_lock); + synchronize_rcu(); misc_deregister(&chip->vendor.miscdev); - sysfs_remove_group(&dev->kobj, chip->vendor.attr_group); tpm_bios_log_teardown(chip->bios_dir); @@ -1146,8 +1136,7 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume); /* * Once all references to platform device are down to 0, * release all allocated structures. - * In case vendor provided release function, - * call it too. + * In case vendor provided release function, call it too. */ static void tpm_dev_release(struct device *dev) { @@ -1155,7 +1144,6 @@ static void tpm_dev_release(struct device *dev) if (chip->vendor.release) chip->vendor.release(dev); - chip->release(dev); clear_bit(chip->dev_num, dev_mask); @@ -1170,8 +1158,8 @@ static void tpm_dev_release(struct device *dev) * upon errant exit from this function specific probe function should call * pci_disable_device */ -struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vendor_specific - *entry) +struct tpm_chip *tpm_register_hardware(struct device *dev, + const struct tpm_vendor_specific *entry) { #define DEVNAME_SIZE 7 @@ -1230,21 +1218,20 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend return NULL; } - spin_lock(&driver_lock); - - list_add(&chip->list, &tpm_chip_list); - - spin_unlock(&driver_lock); - if (sysfs_create_group(&dev->kobj, chip->vendor.attr_group)) { - list_del(&chip->list); misc_deregister(&chip->vendor.miscdev); put_device(chip->dev); + return NULL; } chip->bios_dir = tpm_bios_log_setup(devname); + /* Make chip available */ + spin_lock(&driver_lock); + list_add_rcu(&chip->list, &tpm_chip_list); + spin_unlock(&driver_lock); + return chip; } EXPORT_SYMBOL_GPL(tpm_register_hardware); -- GitLab From 253115b71fa06330bd58afbe01ccaf763a8a0cf1 Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Sat, 11 Oct 2008 09:04:39 +1100 Subject: [PATCH 3623/6244] The tpm_dev_release function is only called for platform devices, not pnp devices, so we implemented the .remove function for pnp ones. Since it's code is very similar to the one inside tpm_dev_release, we've created a helper function tpm_dev_vendor_release, which is called by both. Signed-off-by: Mimi Zohar Signed-off-by: Rajiv Andrade Cc: "Serge E. Hallyn" Cc: Bjorn Helgaas Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 22 ++++++++++++++++------ drivers/char/tpm/tpm.h | 1 + drivers/char/tpm/tpm_tis.c | 14 +++++++++++++- 3 files changed, 30 insertions(+), 7 deletions(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 4f18f84b498a..02a495c2e068 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1133,23 +1133,33 @@ int tpm_pm_resume(struct device *dev) } EXPORT_SYMBOL_GPL(tpm_pm_resume); +/* In case vendor provided release function, call it too.*/ + +void tpm_dev_vendor_release(struct tpm_chip *chip) +{ + if (chip->vendor.release) + chip->vendor.release(chip->dev); + + clear_bit(chip->dev_num, dev_mask); + kfree(chip->vendor.miscdev.name); +} +EXPORT_SYMBOL_GPL(tpm_dev_vendor_release); + + /* * Once all references to platform device are down to 0, * release all allocated structures. - * In case vendor provided release function, call it too. */ static void tpm_dev_release(struct device *dev) { struct tpm_chip *chip = dev_get_drvdata(dev); - if (chip->vendor.release) - chip->vendor.release(dev); - chip->release(dev); + tpm_dev_vendor_release(chip); - clear_bit(chip->dev_num, dev_mask); - kfree(chip->vendor.miscdev.name); + chip->release(dev); kfree(chip); } +EXPORT_SYMBOL_GPL(tpm_dev_release); /* * Called from tpm_.c probe function only for devices diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 2756cab9aee3..8e30df4a4388 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -132,6 +132,7 @@ extern struct tpm_chip* tpm_register_hardware(struct device *, const struct tpm_vendor_specific *); extern int tpm_open(struct inode *, struct file *); extern int tpm_release(struct inode *, struct file *); +extern void tpm_dev_vendor_release(struct tpm_chip *); extern ssize_t tpm_write(struct file *, const char __user *, size_t, loff_t *); extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *); diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index ed1879c0dd8d..717af7ad1bdf 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -630,12 +630,23 @@ static struct pnp_device_id tpm_pnp_tbl[] __devinitdata = { {"", 0} /* Terminator */ }; +static __devexit void tpm_tis_pnp_remove(struct pnp_dev *dev) +{ + struct tpm_chip *chip = pnp_get_drvdata(dev); + + tpm_dev_vendor_release(chip); + + kfree(chip); +} + + static struct pnp_driver tis_pnp_driver = { .name = "tpm_tis", .id_table = tpm_pnp_tbl, .probe = tpm_tis_pnp_init, .suspend = tpm_tis_pnp_suspend, .resume = tpm_tis_pnp_resume, + .remove = tpm_tis_pnp_remove, }; #define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2 @@ -683,6 +694,7 @@ static void __exit cleanup_tis(void) spin_lock(&tis_lock); list_for_each_entry_safe(i, j, &tis_chips, list) { chip = to_tpm_chip(i); + tpm_remove_hardware(chip->dev); iowrite32(~TPM_GLOBAL_INT_ENABLE & ioread32(chip->vendor.iobase + TPM_INT_ENABLE(chip->vendor. @@ -694,9 +706,9 @@ static void __exit cleanup_tis(void) free_irq(chip->vendor.irq, chip); iounmap(i->iobase); list_del(&i->list); - tpm_remove_hardware(chip->dev); } spin_unlock(&tis_lock); + if (force) { platform_device_unregister(pdev); driver_unregister(&tis_drv); -- GitLab From 15c220d003f7914aab99cdb71cd7834a0c9b4557 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sat, 11 Oct 2008 09:04:48 +1100 Subject: [PATCH 3624/6244] ERROR: code indent should use tabs where possible #32: FILE: drivers/char/tpm/tpm.c:1148: +^I ^Ichip->vendor.release(chip->dev);$ total: 1 errors, 0 warnings, 86 lines checked ./patches/tpm-addition-of-pnp_remove.patch has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. Please run checkpatch prior to sending patches Cc: "Serge E. Hallyn" Cc: Bjorn Helgaas Cc: Mimi Zohar Cc: Rajiv Andrade Signed-off-by: Andrew Morton Signed-off-by: James Morris -- GitLab From 4bdec11f560b8f405a011288a50e65b1a81b3654 Mon Sep 17 00:00:00 2001 From: Rajiv Andrade Date: Sat, 11 Oct 2008 09:05:20 +1100 Subject: [PATCH 3625/6244] As pointed out by Jonathan Corbet, the timer must be deleted before flushing the work queue in order to avoid a job being submitted after the chip had been released. Signed-off-by: Rajiv Andrade Signed-off-by: Mimi Zohar Cc: Jonathan Corbet Cc: "Serge E. Hallyn" Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 02a495c2e068..1fee7034a386 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1004,9 +1004,9 @@ int tpm_release(struct inode *inode, struct file *file) { struct tpm_chip *chip = file->private_data; + del_singleshot_timer_sync(&chip->user_read_timer); flush_scheduled_work(); file->private_data = NULL; - del_singleshot_timer_sync(&chip->user_read_timer); atomic_set(&chip->data_pending, 0); kfree(chip->data_buffer); clear_bit(0, &chip->is_open); -- GitLab From 061b1bd394ca8628b7c24eb4658ba3535da4249a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 24 Sep 2008 14:46:44 -0700 Subject: [PATCH 3626/6244] Staging: add TAINT_CRAP for all drivers/staging code We need to add a flag for all code that is in the drivers/staging/ directory to prevent all other kernel developers from worrying about issues here, and to notify users that the drivers might not be as good as they are normally used to. Based on code from Andreas Gruenbacher and Jeff Mahoney to provide a TAINT flag for the support level of a kernel module in the Novell enterprise kernel release. This is the kernel portion of this feature, the ability for the flag to be set needs to be done in the build process and will happen in a follow-up patch. Cc: Andreas Gruenbacher Cc: Jeff Mahoney Signed-off-by: Greg Kroah-Hartman --- Documentation/sysctl/kernel.txt | 1 + include/linux/kernel.h | 1 + kernel/module.c | 11 +++++++++++ kernel/panic.c | 6 ++++-- 4 files changed, 17 insertions(+), 2 deletions(-) diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index e1ff0d920a5c..bde799e06598 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -369,4 +369,5 @@ can be ORed together: 2 - A module was force loaded by insmod -f. Set by modutils >= 2.4.9 and module-init-tools. 4 - Unsafe SMP processors: SMP with CPUs not designed for SMP. + 64 - A module from drivers/staging was loaded. diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 2651f805ba6d..b36805cb95fb 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -260,6 +260,7 @@ extern enum system_states { #define TAINT_DIE (1<<7) #define TAINT_OVERRIDDEN_ACPI_TABLE (1<<8) #define TAINT_WARN (1<<9) +#define TAINT_CRAP (1<<10) extern void dump_stack(void) __cold; diff --git a/kernel/module.c b/kernel/module.c index 9db11911e04b..152b1655bbac 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1806,6 +1806,7 @@ static noinline struct module *load_module(void __user *umod, Elf_Ehdr *hdr; Elf_Shdr *sechdrs; char *secstrings, *args, *modmagic, *strtab = NULL; + char *staging; unsigned int i; unsigned int symindex = 0; unsigned int strindex = 0; @@ -1960,6 +1961,14 @@ static noinline struct module *load_module(void __user *umod, goto free_hdr; } + staging = get_modinfo(sechdrs, infoindex, "staging"); + if (staging) { + add_taint_module(mod, TAINT_CRAP); + printk(KERN_WARNING "%s: module is from the staging directory," + " the quality is unknown, you have been warned.\n", + mod->name); + } + /* Now copy in args */ args = strndup_user(uargs, ~0UL >> 1); if (IS_ERR(args)) { @@ -2556,6 +2565,8 @@ static char *module_flags(struct module *mod, char *buf) buf[bx++] = 'P'; if (mod->taints & TAINT_FORCED_MODULE) buf[bx++] = 'F'; + if (mod->taints & TAINT_CRAP) + buf[bx++] = 'C'; /* * TAINT_FORCED_RMMOD: could be added. * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't diff --git a/kernel/panic.c b/kernel/panic.c index 12c5a0a6c89b..98e2047f4db7 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -155,6 +155,7 @@ EXPORT_SYMBOL(panic); * 'U' - Userspace-defined naughtiness. * 'A' - ACPI table overridden. * 'W' - Taint on warning. + * 'C' - modules from drivers/staging are loaded. * * The string is overwritten by the next call to print_taint(). */ @@ -163,7 +164,7 @@ const char *print_tainted(void) { static char buf[20]; if (tainted) { - snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c", + snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c%c", tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G', tainted & TAINT_FORCED_MODULE ? 'F' : ' ', tainted & TAINT_UNSAFE_SMP ? 'S' : ' ', @@ -173,7 +174,8 @@ const char *print_tainted(void) tainted & TAINT_USER ? 'U' : ' ', tainted & TAINT_DIE ? 'D' : ' ', tainted & TAINT_OVERRIDDEN_ACPI_TABLE ? 'A' : ' ', - tainted & TAINT_WARN ? 'W' : ' '); + tainted & TAINT_WARN ? 'W' : ' ', + tainted & TAINT_CRAP ? 'C' : ' '); } else snprintf(buf, sizeof(buf), "Not tainted"); -- GitLab From a9860bf05f4cb94f60f8f3459908d5621f75dd06 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 24 Sep 2008 14:46:44 -0700 Subject: [PATCH 3627/6244] Staging: add TAINT_CRAP flag to drivers/staging modules We need to add a flag for all code that is in the drivers/staging/ directory to prevent all other kernel developers from worrying about issues here, and to notify users that the drivers might not be as good as they are normally used to. Based on code from Andreas Gruenbacher and Jeff Mahoney to provide a TAINT flag for the support level of a kernel module in the Novell enterprise kernel release. This is the code that actually modifies the modules, adding the flag to any files in the drivers/staging directory. Cc: Andreas Gruenbacher Cc: Jeff Mahoney Signed-off-by: Greg Kroah-Hartman --- scripts/mod/modpost.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8e0de6a5e18a..88921611b22e 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1726,6 +1726,14 @@ static void add_header(struct buffer *b, struct module *mod) buf_printf(b, "};\n"); } +void add_staging_flag(struct buffer *b, const char *name) +{ + static const char *staging_dir = "drivers/staging"; + + if (strncmp(staging_dir, name, strlen(staging_dir)) == 0) + buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n"); +} + /** * Record CRCs for unresolved symbols **/ @@ -2135,6 +2143,7 @@ int main(int argc, char **argv) buf.pos = 0; add_header(&buf, mod); + add_staging_flag(&buf, mod->name); err |= add_versions(&buf, mod); add_depends(&buf, mod, modules); add_moddevtable(&buf, mod); -- GitLab From 350455891377250cf7e0eadc5f9635decc1628af Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 24 Sep 2008 14:46:44 -0700 Subject: [PATCH 3628/6244] Staging: add Kconfig entries and Makefile infrastructure This hooks up the drivers/staging directory to the build system Signed-off-by: Greg Kroah-Hartman --- drivers/Kconfig | 2 ++ drivers/Makefile | 1 + drivers/staging/Kconfig | 27 +++++++++++++++++++++++++++ drivers/staging/Makefile | 2 ++ 4 files changed, 32 insertions(+) create mode 100644 drivers/staging/Kconfig create mode 100644 drivers/staging/Makefile diff --git a/drivers/Kconfig b/drivers/Kconfig index 59f33fa6af3e..d19b6f5a1106 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -101,4 +101,6 @@ source "drivers/auxdisplay/Kconfig" source "drivers/uio/Kconfig" source "drivers/xen/Kconfig" + +source "drivers/staging/Kconfig" endmenu diff --git a/drivers/Makefile b/drivers/Makefile index 2735bde73475..46c8681a07f4 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -99,3 +99,4 @@ obj-$(CONFIG_OF) += of/ obj-$(CONFIG_SSB) += ssb/ obj-$(CONFIG_VIRTIO) += virtio/ obj-$(CONFIG_REGULATOR) += regulator/ +obj-$(CONFIG_STAGING) += staging/ diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig new file mode 100644 index 000000000000..84832feb56f6 --- /dev/null +++ b/drivers/staging/Kconfig @@ -0,0 +1,27 @@ +menuconfig STAGING + bool "Staging drivers" + default n + ---help--- + This option allows you to select a number of drivers that are + not of the "normal" Linux kernel quality level. These drivers + are placed here in order to get a wider audience for use of + them. Please note that these drivers are under heavy + development, may or may not work, and may contain userspace + interfaces that most likely will be changed in the near + future. + + Using any of these drivers will taint your kernel which might + affect support options from both the community, and various + commercial support orginizations. + + If you wish to work on these drivers, to help improve them, or + to report problems you have with them, please see the + driver_name.README file in the drivers/staging/ directory to + see what needs to be worked on, and who to contact. + + If in doubt, say N here. + +if STAGING + + +endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile new file mode 100644 index 000000000000..ceb0328a64a8 --- /dev/null +++ b/drivers/staging/Makefile @@ -0,0 +1,2 @@ +# Makefile for staging directory + -- GitLab From dbc6c2ccb9f0abd6a19406718730ce0f715b2998 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 24 Sep 2008 14:46:44 -0700 Subject: [PATCH 3629/6244] Staging: add MAINTAINERS entry Someone has to claim this mess, might as well let everyone know who to blame. Signed-off-by: Greg Kroah-Hartman --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 7a03bd5a91a3..ea6b4782e2f7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3863,6 +3863,13 @@ M: chrisw@sous-sol.org L: stable@kernel.org S: Maintained +STAGING SUBSYSTEM: +P: Greg Kroah-Hartman +M: gregkh@suse.de +L: linux-kernel@vger.kernel.org +T: quilt kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/ +S: Maintained + SHARP LH SUPPORT (LH7952X & LH7A40X) P: Marc Singer M: elf@buici.com -- GitLab From cfb739b459a4d982b75f5b92cbe7d2631999e206 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 3 Apr 2008 17:30:53 -0700 Subject: [PATCH 3630/6244] Staging: add et131x network driver This is a driver for the ET1310 network device. Based on the driver found at https://sourceforge.net/projects/et131x/ Cleaned up immensely by Olaf Hartman and Christoph Hellwig Note, the powermanagement options were removed from the vendor provided driver as they did not build properly at the time. TODO: - kernel coding style cleanups - forward port for latest network driver changes - kill useless typecasts (e.g. in et1310_phy.c) - alloc_etherdev is initializing memory with zero?!? - add_timer call in et131x_netdev.c is correct? - Add power saving functionality (suspend, sleep, resume) - Implement a few more kernel Parameter (set mac ) Cc: Olaf Hartmann Cc: Christoph Hellwig Cc: Dean Adams Cc: Victor Soriano Cc: Andre-Sebastian Liebe Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 1 + drivers/staging/Makefile | 1 + drivers/staging/et131x/Kconfig | 18 + drivers/staging/et131x/Makefile | 18 + drivers/staging/et131x/README | 25 + drivers/staging/et131x/et1310_address_map.h | 2399 +++++++++++++++++++ drivers/staging/et131x/et1310_eeprom.c | 480 ++++ drivers/staging/et131x/et1310_eeprom.h | 89 + drivers/staging/et131x/et1310_jagcore.c | 220 ++ drivers/staging/et131x/et1310_jagcore.h | 112 + drivers/staging/et131x/et1310_mac.c | 792 ++++++ drivers/staging/et131x/et1310_mac.h | 93 + drivers/staging/et131x/et1310_phy.c | 1281 ++++++++++ drivers/staging/et131x/et1310_phy.h | 910 +++++++ drivers/staging/et131x/et1310_pm.c | 207 ++ drivers/staging/et131x/et1310_pm.h | 125 + drivers/staging/et131x/et1310_rx.c | 1391 +++++++++++ drivers/staging/et131x/et1310_rx.h | 373 +++ drivers/staging/et131x/et1310_tx.c | 1525 ++++++++++++ drivers/staging/et131x/et1310_tx.h | 242 ++ drivers/staging/et131x/et131x_adapter.h | 347 +++ drivers/staging/et131x/et131x_config.c | 325 +++ drivers/staging/et131x/et131x_config.h | 67 + drivers/staging/et131x/et131x_debug.c | 218 ++ drivers/staging/et131x/et131x_debug.h | 201 ++ drivers/staging/et131x/et131x_defs.h | 128 + drivers/staging/et131x/et131x_initpci.c | 1046 ++++++++ drivers/staging/et131x/et131x_initpci.h | 73 + drivers/staging/et131x/et131x_isr.c | 488 ++++ drivers/staging/et131x/et131x_isr.h | 65 + drivers/staging/et131x/et131x_netdev.c | 856 +++++++ drivers/staging/et131x/et131x_netdev.h | 64 + drivers/staging/et131x/et131x_version.h | 81 + 33 files changed, 14261 insertions(+) create mode 100644 drivers/staging/et131x/Kconfig create mode 100644 drivers/staging/et131x/Makefile create mode 100644 drivers/staging/et131x/README create mode 100644 drivers/staging/et131x/et1310_address_map.h create mode 100644 drivers/staging/et131x/et1310_eeprom.c create mode 100644 drivers/staging/et131x/et1310_eeprom.h create mode 100644 drivers/staging/et131x/et1310_jagcore.c create mode 100644 drivers/staging/et131x/et1310_jagcore.h create mode 100644 drivers/staging/et131x/et1310_mac.c create mode 100644 drivers/staging/et131x/et1310_mac.h create mode 100644 drivers/staging/et131x/et1310_phy.c create mode 100644 drivers/staging/et131x/et1310_phy.h create mode 100644 drivers/staging/et131x/et1310_pm.c create mode 100644 drivers/staging/et131x/et1310_pm.h create mode 100644 drivers/staging/et131x/et1310_rx.c create mode 100644 drivers/staging/et131x/et1310_rx.h create mode 100644 drivers/staging/et131x/et1310_tx.c create mode 100644 drivers/staging/et131x/et1310_tx.h create mode 100644 drivers/staging/et131x/et131x_adapter.h create mode 100644 drivers/staging/et131x/et131x_config.c create mode 100644 drivers/staging/et131x/et131x_config.h create mode 100644 drivers/staging/et131x/et131x_debug.c create mode 100644 drivers/staging/et131x/et131x_debug.h create mode 100644 drivers/staging/et131x/et131x_defs.h create mode 100644 drivers/staging/et131x/et131x_initpci.c create mode 100644 drivers/staging/et131x/et131x_initpci.h create mode 100644 drivers/staging/et131x/et131x_isr.c create mode 100644 drivers/staging/et131x/et131x_isr.h create mode 100644 drivers/staging/et131x/et131x_netdev.c create mode 100644 drivers/staging/et131x/et131x_netdev.h create mode 100644 drivers/staging/et131x/et131x_version.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 84832feb56f6..4c3789d61a81 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -23,5 +23,6 @@ menuconfig STAGING if STAGING +source "drivers/staging/et131x/Kconfig" endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index ceb0328a64a8..933b984b5235 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -1,2 +1,3 @@ # Makefile for staging directory +obj-$(CONFIG_ET131X) += et131x/ diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig new file mode 100644 index 000000000000..e11cf340856a --- /dev/null +++ b/drivers/staging/et131x/Kconfig @@ -0,0 +1,18 @@ +config ET131X + tristate "Agere ET-1310 Gigabit Ethernet support" + depends on NETDEV_1000 && PCI + default n + ---help--- + This driver supports Agere ET-1310 ethernet adapters. + + To compile this driver as a module, choose M here. The module + will be called et131x. + +config ET131X_DEBUG + bool "Enable et131x debugging" + depends on ET131X + default n + ---help--- + Say Y for detailed debug information. + + If in doubt, say N. diff --git a/drivers/staging/et131x/Makefile b/drivers/staging/et131x/Makefile new file mode 100644 index 000000000000..3ad571d8a684 --- /dev/null +++ b/drivers/staging/et131x/Makefile @@ -0,0 +1,18 @@ +# +# Makefile for the Agere ET-131x ethernet driver +# + +obj-$(CONFIG_ET131X) += et131x.o + +et131x-objs := et1310_eeprom.o \ + et1310_jagcore.o \ + et1310_mac.o \ + et1310_phy.o \ + et1310_pm.o \ + et1310_rx.o \ + et1310_tx.o \ + et131x_config.o \ + et131x_debug.o \ + et131x_initpci.o \ + et131x_isr.o \ + et131x_netdev.o diff --git a/drivers/staging/et131x/README b/drivers/staging/et131x/README new file mode 100644 index 000000000000..28752a502312 --- /dev/null +++ b/drivers/staging/et131x/README @@ -0,0 +1,25 @@ +This is a driver for the ET1310 network device. + +Based on the driver found at https://sourceforge.net/projects/et131x/ + +Cleaned up immensely by Olaf Hartman and Christoph +Hellwig + +Note, the powermanagement options were removed from the vendor provided +driver as they did not build properly at the time. + +TODO: + - kernel coding style cleanups + - forward port for latest network driver changes + - kill useless typecasts (e.g. in et1310_phy.c) + - alloc_etherdev is initializing memory with zero?!? + - add_timer call in et131x_netdev.c is correct? + - Add power saving functionality (suspend, sleep, resume) + - Implement a few more kernel Parameter (set mac ) + +Please send patches to: + Greg Kroah-Hartman + +And Cc: Olaf Hartmann as he has this device and can +test any changes. + diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h new file mode 100644 index 000000000000..3c85999d64db --- /dev/null +++ b/drivers/staging/et131x/et1310_address_map.h @@ -0,0 +1,2399 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_address_map.h - Contains the register mapping for the ET1310 + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef _ET1310_ADDRESS_MAP_H_ +#define _ET1310_ADDRESS_MAP_H_ + + +/* START OF GLOBAL REGISTER ADDRESS MAP */ + +typedef union _Q_ADDR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:22; // bits 10-31 + u32 addr:10; // bits 0-9 +#else + u32 addr:10; // bits 0-9 + u32 unused:22; // bits 10-31 +#endif + } bits; +} Q_ADDR_t, *PQ_ADDR_t; + +/* + * structure for tx queue start address reg in global address map + * located at address 0x0000 + * Defined earlier (Q_ADDR_t) + */ + +/* + * structure for tx queue end address reg in global address map + * located at address 0x0004 + * Defined earlier (Q_ADDR_t) + */ + +/* + * structure for rx queue start address reg in global address map + * located at address 0x0008 + * Defined earlier (Q_ADDR_t) + */ + +/* + * structure for rx queue end address reg in global address map + * located at address 0x000C + * Defined earlier (Q_ADDR_t) + */ + +/* + * structure for power management control status reg in global address map + * located at address 0x0010 + */ +typedef union _PM_CSR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:22; // bits 10-31 + u32 pm_jagcore_rx_rdy:1; // bit 9 + u32 pm_jagcore_tx_rdy:1; // bit 8 + u32 pm_phy_lped_en:1; // bit 7 + u32 pm_phy_sw_coma:1; // bit 6 + u32 pm_rxclk_gate:1; // bit 5 + u32 pm_txclk_gate:1; // bit 4 + u32 pm_sysclk_gate:1; // bit 3 + u32 pm_jagcore_rx_en:1; // bit 2 + u32 pm_jagcore_tx_en:1; // bit 1 + u32 pm_gigephy_en:1; // bit 0 +#else + u32 pm_gigephy_en:1; // bit 0 + u32 pm_jagcore_tx_en:1; // bit 1 + u32 pm_jagcore_rx_en:1; // bit 2 + u32 pm_sysclk_gate:1; // bit 3 + u32 pm_txclk_gate:1; // bit 4 + u32 pm_rxclk_gate:1; // bit 5 + u32 pm_phy_sw_coma:1; // bit 6 + u32 pm_phy_lped_en:1; // bit 7 + u32 pm_jagcore_tx_rdy:1; // bit 8 + u32 pm_jagcore_rx_rdy:1; // bit 9 + u32 unused:22; // bits 10-31 +#endif + } bits; +} PM_CSR_t, *PPM_CSR_t; + +/* + * structure for interrupt status reg in global address map + * located at address 0x0018 + */ +typedef union _INTERRUPT_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused5:11; // bits 21-31 + u32 slv_timeout:1; // bit 20 + u32 mac_stat_interrupt:1; // bit 19 + u32 rxmac_interrupt:1; // bit 18 + u32 txmac_interrupt:1; // bit 17 + u32 phy_interrupt:1; // bit 16 + u32 wake_on_lan:1; // bit 15 + u32 watchdog_interrupt:1; // bit 14 + u32 unused4:4; // bits 10-13 + u32 rxdma_err:1; // bit 9 + u32 rxdma_pkt_stat_ring_low:1; // bit 8 + u32 rxdma_fb_ring1_low:1; // bit 7 + u32 rxdma_fb_ring0_low:1; // bit 6 + u32 rxdma_xfr_done:1; // bit 5 + u32 txdma_err:1; // bit 4 + u32 txdma_isr:1; // bit 3 + u32 unused3:1; // bit 2 + u32 unused2:1; // bit 1 + u32 unused1:1; // bit 0 +#else + u32 unused1:1; // bit 0 + u32 unused2:1; // bit 1 + u32 unused3:1; // bit 2 + u32 txdma_isr:1; // bit 3 + u32 txdma_err:1; // bit 4 + u32 rxdma_xfr_done:1; // bit 5 + u32 rxdma_fb_ring0_low:1; // bit 6 + u32 rxdma_fb_ring1_low:1; // bit 7 + u32 rxdma_pkt_stat_ring_low:1; // bit 8 + u32 rxdma_err:1; // bit 9 + u32 unused4:4; // bits 10-13 + u32 watchdog_interrupt:1; // bit 14 + u32 wake_on_lan:1; // bit 15 + u32 phy_interrupt:1; // bit 16 + u32 txmac_interrupt:1; // bit 17 + u32 rxmac_interrupt:1; // bit 18 + u32 mac_stat_interrupt:1; // bit 19 + u32 slv_timeout:1; // bit 20 + u32 unused5:11; // bits 21-31 +#endif + } bits; +} INTERRUPT_t, *PINTERRUPT_t; + +/* + * structure for interrupt mask reg in global address map + * located at address 0x001C + * Defined earlier (INTERRUPT_t), but 'watchdog_interrupt' is not used. + */ + +/* + * structure for interrupt alias clear mask reg in global address map + * located at address 0x0020 + * Defined earlier (INTERRUPT_t) + */ + +/* + * structure for interrupt status alias reg in global address map + * located at address 0x0024 + * Defined earlier (INTERRUPT_t) + */ + +/* + * structure for software reset reg in global address map + * located at address 0x0028 + */ +typedef union _SW_RESET_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 selfclr_disable:1; // bit 31 + u32 unused:24; // bits 7-30 + u32 mmc_sw_reset:1; // bit 6 + u32 mac_stat_sw_reset:1; // bit 5 + u32 mac_sw_reset:1; // bit 4 + u32 rxmac_sw_reset:1; // bit 3 + u32 txmac_sw_reset:1; // bit 2 + u32 rxdma_sw_reset:1; // bit 1 + u32 txdma_sw_reset:1; // bit 0 +#else + u32 txdma_sw_reset:1; // bit 0 + u32 rxdma_sw_reset:1; // bit 1 + u32 txmac_sw_reset:1; // bit 2 + u32 rxmac_sw_reset:1; // bit 3 + u32 mac_sw_reset:1; // bit 4 + u32 mac_stat_sw_reset:1; // bit 5 + u32 mmc_sw_reset:1; // bit 6 + u32 unused:24; // bits 7-30 + u32 selfclr_disable:1; // bit 31 +#endif + } bits; +} SW_RESET_t, *PSW_RESET_t; + +/* + * structure for SLV Timer reg in global address map + * located at address 0x002C + */ +typedef union _SLV_TIMER_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:8; // bits 24-31 + u32 timer_ini:24; // bits 0-23 +#else + u32 timer_ini:24; // bits 0-23 + u32 unused:8; // bits 24-31 +#endif + } bits; +} SLV_TIMER_t, *PSLV_TIMER_t; + +/* + * structure for MSI Configuration reg in global address map + * located at address 0x0030 + */ +typedef union _MSI_CONFIG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused1:13; // bits 19-31 + u32 msi_tc:3; // bits 16-18 + u32 unused2:11; // bits 5-15 + u32 msi_vector:5; // bits 0-4 +#else + u32 msi_vector:5; // bits 0-4 + u32 unused2:11; // bits 5-15 + u32 msi_tc:3; // bits 16-18 + u32 unused1:13; // bits 19-31 +#endif + } bits; +} MSI_CONFIG_t, *PMSI_CONFIG_t; + +/* + * structure for Loopback reg in global address map + * located at address 0x0034 + */ +typedef union _LOOPBACK_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:30; // bits 2-31 + u32 dma_loopback:1; // bit 1 + u32 mac_loopback:1; // bit 0 +#else + u32 mac_loopback:1; // bit 0 + u32 dma_loopback:1; // bit 1 + u32 unused:30; // bits 2-31 +#endif + } bits; +} LOOPBACK_t, *PLOOPBACK_t; + +/* + * GLOBAL Module of JAGCore Address Mapping + * Located at address 0x0000 + */ +typedef struct _GLOBAL_t { // Location: + Q_ADDR_t txq_start_addr; // 0x0000 + Q_ADDR_t txq_end_addr; // 0x0004 + Q_ADDR_t rxq_start_addr; // 0x0008 + Q_ADDR_t rxq_end_addr; // 0x000C + PM_CSR_t pm_csr; // 0x0010 + u32 unused; // 0x0014 + INTERRUPT_t int_status; // 0x0018 + INTERRUPT_t int_mask; // 0x001C + INTERRUPT_t int_alias_clr_en; // 0x0020 + INTERRUPT_t int_status_alias; // 0x0024 + SW_RESET_t sw_reset; // 0x0028 + SLV_TIMER_t slv_timer; // 0x002C + MSI_CONFIG_t msi_config; // 0x0030 + LOOPBACK_t loopback; // 0x0034 + u32 watchdog_timer; // 0x0038 +} GLOBAL_t, *PGLOBAL_t; + +/* END OF GLOBAL REGISTER ADDRESS MAP */ + + +/* START OF TXDMA REGISTER ADDRESS MAP */ + +/* + * structure for txdma control status reg in txdma address map + * located at address 0x1000 + */ +typedef union _TXDMA_CSR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:19; // bits 13-31 + u32 traffic_class:4; // bits 9-12 + u32 sngl_epkt_mode:1; // bit 8 + u32 cache_thrshld:4; // bits 4-7 + u32 unused1:2; // bits 2-3 + u32 drop_TLP_disable:1; // bit 1 + u32 halt:1; // bit 0 +#else + u32 halt:1; // bit 0 + u32 drop_TLP_disable:1; // bit 1 + u32 unused1:2; // bits 2-3 + u32 cache_thrshld:4; // bits 4-7 + u32 sngl_epkt_mode:1; // bit 8 + u32 traffic_class:4; // bits 9-12 + u32 unused2:19; // bits 13-31 +#endif + } bits; +} TXDMA_CSR_t, *PTXDMA_CSR_t; + +/* + * structure for txdma packet ring base address hi reg in txdma address map + * located at address 0x1004 + * Defined earlier (u32) + */ + +/* + * structure for txdma packet ring base address low reg in txdma address map + * located at address 0x1008 + * Defined earlier (u32) + */ + +/* + * structure for txdma packet ring number of descriptor reg in txdma address + * map. Located at address 0x100C + */ +typedef union _TXDMA_PR_NUM_DES_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:22; // bits 10-31 + u32 pr_ndes:10; // bits 0-9 +#else + u32 pr_ndes:10; // bits 0-9 + u32 unused:22; // bits 10-31 +#endif + } bits; +} TXDMA_PR_NUM_DES_t, *PTXDMA_PR_NUM_DES_t; + + +typedef union _DMA10W_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:21; // bits 11-31 + u32 wrap:1; // bit 10 + u32 val:10; // bits 0-9 +#else + u32 val:10; // bits 0-9 + u32 wrap:1; // bit 10 + u32 unused:21; // bits 11-31 +#endif + } bits; +} DMA10W_t, *PDMA10W_t; + +/* + * structure for txdma tx queue write address reg in txdma address map + * located at address 0x1010 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for txdma tx queue write address external reg in txdma address map + * located at address 0x1014 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for txdma tx queue read address reg in txdma address map + * located at address 0x1018 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for txdma status writeback address hi reg in txdma address map + * located at address 0x101C + * Defined earlier (u32) + */ + +/* + * structure for txdma status writeback address lo reg in txdma address map + * located at address 0x1020 + * Defined earlier (u32) + */ + +/* + * structure for txdma service request reg in txdma address map + * located at address 0x1024 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for txdma service complete reg in txdma address map + * located at address 0x1028 + * Defined earlier (DMA10W_t) + */ + +typedef union _DMA4W_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:27; // bits 5-31 + u32 wrap:1; // bit 4 + u32 val:4; // bit 0-3 +#else + u32 val:4; // bits 0-3 + u32 wrap:1; // bit 4 + u32 unused:27; // bits 5-31 +#endif + } bits; +} DMA4W_t, *PDMA4W_t; + +/* + * structure for txdma tx descriptor cache read index reg in txdma address map + * located at address 0x102C + * Defined earlier (DMA4W_t) + */ + +/* + * structure for txdma tx descriptor cache write index reg in txdma address map + * located at address 0x1030 + * Defined earlier (DMA4W_t) + */ + +/* + * structure for txdma error reg in txdma address map + * located at address 0x1034 + */ +typedef union _TXDMA_ERROR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused3:22; // bits 10-31 + u32 WrbkRewind:1; // bit 9 + u32 WrbkResend:1; // bit 8 + u32 unused2:2; // bits 6-7 + u32 DescrRewind:1; // bit 5 + u32 DescrResend:1; // bit 4 + u32 unused1:2; // bits 2-3 + u32 PyldRewind:1; // bit 1 + u32 PyldResend:1; // bit 0 +#else + u32 PyldResend:1; // bit 0 + u32 PyldRewind:1; // bit 1 + u32 unused1:2; // bits 2-3 + u32 DescrResend:1; // bit 4 + u32 DescrRewind:1; // bit 5 + u32 unused2:2; // bits 6-7 + u32 WrbkResend:1; // bit 8 + u32 WrbkRewind:1; // bit 9 + u32 unused3:22; // bits 10-31 +#endif + } bits; +} TXDMA_ERROR_t, *PTXDMA_ERROR_t; + +/* + * Tx DMA Module of JAGCore Address Mapping + * Located at address 0x1000 + */ +typedef struct _TXDMA_t { // Location: + TXDMA_CSR_t csr; // 0x1000 + u32 pr_base_hi; // 0x1004 + u32 pr_base_lo; // 0x1008 + TXDMA_PR_NUM_DES_t pr_num_des; // 0x100C + DMA10W_t txq_wr_addr; // 0x1010 + DMA10W_t txq_wr_addr_ext; // 0x1014 + DMA10W_t txq_rd_addr; // 0x1018 + u32 dma_wb_base_hi; // 0x101C + u32 dma_wb_base_lo; // 0x1020 + DMA10W_t service_request; // 0x1024 + DMA10W_t service_complete; // 0x1028 + DMA4W_t cache_rd_index; // 0x102C + DMA4W_t cache_wr_index; // 0x1030 + TXDMA_ERROR_t TxDmaError; // 0x1034 + u32 DescAbortCount; // 0x1038 + u32 PayloadAbortCnt; // 0x103c + u32 WriteBackAbortCnt; // 0x1040 + u32 DescTimeoutCnt; // 0x1044 + u32 PayloadTimeoutCnt; // 0x1048 + u32 WriteBackTimeoutCnt; // 0x104c + u32 DescErrorCount; // 0x1050 + u32 PayloadErrorCnt; // 0x1054 + u32 WriteBackErrorCnt; // 0x1058 + u32 DroppedTLPCount; // 0x105c + DMA10W_t NewServiceComplete; // 0x1060 + u32 EthernetPacketCount; // 0x1064 +} TXDMA_t, *PTXDMA_t; + +/* END OF TXDMA REGISTER ADDRESS MAP */ + + +/* START OF RXDMA REGISTER ADDRESS MAP */ + +/* + * structure for control status reg in rxdma address map + * Located at address 0x2000 + */ +typedef union _RXDMA_CSR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:14; // bits 18-31 + u32 halt_status:1; // bit 17 + u32 pkt_done_flush:1; // bit 16 + u32 pkt_drop_disable:1; // bit 15 + u32 unused1:1; // bit 14 + u32 fbr1_enable:1; // bit 13 + u32 fbr1_size:2; // bits 11-12 + u32 fbr0_enable:1; // bit 10 + u32 fbr0_size:2; // bits 8-9 + u32 dma_big_endian:1; // bit 7 + u32 pkt_big_endian:1; // bit 6 + u32 psr_big_endian:1; // bit 5 + u32 fbr_big_endian:1; // bit 4 + u32 tc:3; // bits 1-3 + u32 halt:1; // bit 0 +#else + u32 halt:1; // bit 0 + u32 tc:3; // bits 1-3 + u32 fbr_big_endian:1; // bit 4 + u32 psr_big_endian:1; // bit 5 + u32 pkt_big_endian:1; // bit 6 + u32 dma_big_endian:1; // bit 7 + u32 fbr0_size:2; // bits 8-9 + u32 fbr0_enable:1; // bit 10 + u32 fbr1_size:2; // bits 11-12 + u32 fbr1_enable:1; // bit 13 + u32 unused1:1; // bit 14 + u32 pkt_drop_disable:1; // bit 15 + u32 pkt_done_flush:1; // bit 16 + u32 halt_status:1; // bit 17 + u32 unused2:14; // bits 18-31 +#endif + } bits; +} RXDMA_CSR_t, *PRXDMA_CSR_t; + +/* + * structure for dma writeback lo reg in rxdma address map + * located at address 0x2004 + * Defined earlier (u32) + */ + +/* + * structure for dma writeback hi reg in rxdma address map + * located at address 0x2008 + * Defined earlier (u32) + */ + +/* + * structure for number of packets done reg in rxdma address map + * located at address 0x200C + */ +typedef union _RXDMA_NUM_PKT_DONE_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:24; // bits 8-31 + u32 num_done:8; // bits 0-7 +#else + u32 num_done:8; // bits 0-7 + u32 unused:24; // bits 8-31 +#endif + } bits; +} RXDMA_NUM_PKT_DONE_t, *PRXDMA_NUM_PKT_DONE_t; + +/* + * structure for max packet time reg in rxdma address map + * located at address 0x2010 + */ +typedef union _RXDMA_MAX_PKT_TIME_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:14; // bits 18-31 + u32 time_done:18; // bits 0-17 +#else + u32 time_done:18; // bits 0-17 + u32 unused:14; // bits 18-31 +#endif + } bits; +} RXDMA_MAX_PKT_TIME_t, *PRXDMA_MAX_PKT_TIME_t; + +/* + * structure for rx queue read address reg in rxdma address map + * located at address 0x2014 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for rx queue read address external reg in rxdma address map + * located at address 0x2018 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for rx queue write address reg in rxdma address map + * located at address 0x201C + * Defined earlier (DMA10W_t) + */ + +/* + * structure for packet status ring base address lo reg in rxdma address map + * located at address 0x2020 + * Defined earlier (u32) + */ + +/* + * structure for packet status ring base address hi reg in rxdma address map + * located at address 0x2024 + * Defined earlier (u32) + */ + +/* + * structure for packet status ring number of descriptors reg in rxdma address + * map. Located at address 0x2028 + */ +typedef union _RXDMA_PSR_NUM_DES_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:20; // bits 12-31 + u32 psr_ndes:12; // bit 0-11 +#else + u32 psr_ndes:12; // bit 0-11 + u32 unused:20; // bits 12-31 +#endif + } bits; +} RXDMA_PSR_NUM_DES_t, *PRXDMA_PSR_NUM_DES_t; + +/* + * structure for packet status ring available offset reg in rxdma address map + * located at address 0x202C + */ +typedef union _RXDMA_PSR_AVAIL_OFFSET_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:19; // bits 13-31 + u32 psr_avail_wrap:1; // bit 12 + u32 psr_avail:12; // bit 0-11 +#else + u32 psr_avail:12; // bit 0-11 + u32 psr_avail_wrap:1; // bit 12 + u32 unused:19; // bits 13-31 +#endif + } bits; +} RXDMA_PSR_AVAIL_OFFSET_t, *PRXDMA_PSR_AVAIL_OFFSET_t; + +/* + * structure for packet status ring full offset reg in rxdma address map + * located at address 0x2030 + */ +typedef union _RXDMA_PSR_FULL_OFFSET_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:19; // bits 13-31 + u32 psr_full_wrap:1; // bit 12 + u32 psr_full:12; // bit 0-11 +#else + u32 psr_full:12; // bit 0-11 + u32 psr_full_wrap:1; // bit 12 + u32 unused:19; // bits 13-31 +#endif + } bits; +} RXDMA_PSR_FULL_OFFSET_t, *PRXDMA_PSR_FULL_OFFSET_t; + +/* + * structure for packet status ring access index reg in rxdma address map + * located at address 0x2034 + */ +typedef union _RXDMA_PSR_ACCESS_INDEX_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:27; // bits 5-31 + u32 psr_ai:5; // bits 0-4 +#else + u32 psr_ai:5; // bits 0-4 + u32 unused:27; // bits 5-31 +#endif + } bits; +} RXDMA_PSR_ACCESS_INDEX_t, *PRXDMA_PSR_ACCESS_INDEX_t; + +/* + * structure for packet status ring minimum descriptors reg in rxdma address + * map. Located at address 0x2038 + */ +typedef union _RXDMA_PSR_MIN_DES_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:20; // bits 12-31 + u32 psr_min:12; // bits 0-11 +#else + u32 psr_min:12; // bits 0-11 + u32 unused:20; // bits 12-31 +#endif + } bits; +} RXDMA_PSR_MIN_DES_t, *PRXDMA_PSR_MIN_DES_t; + +/* + * structure for free buffer ring base lo address reg in rxdma address map + * located at address 0x203C + * Defined earlier (u32) + */ + +/* + * structure for free buffer ring base hi address reg in rxdma address map + * located at address 0x2040 + * Defined earlier (u32) + */ + +/* + * structure for free buffer ring number of descriptors reg in rxdma address + * map. Located at address 0x2044 + */ +typedef union _RXDMA_FBR_NUM_DES_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:22; // bits 10-31 + u32 fbr_ndesc:10; // bits 0-9 +#else + u32 fbr_ndesc:10; // bits 0-9 + u32 unused:22; // bits 10-31 +#endif + } bits; +} RXDMA_FBR_NUM_DES_t, *PRXDMA_FBR_NUM_DES_t; + +/* + * structure for free buffer ring 0 available offset reg in rxdma address map + * located at address 0x2048 + * Defined earlier (DMA10W_t) + */ + +/* + * structure for free buffer ring 0 full offset reg in rxdma address map + * located at address 0x204C + * Defined earlier (DMA10W_t) + */ + +/* + * structure for free buffer cache 0 full offset reg in rxdma address map + * located at address 0x2050 + */ +typedef union _RXDMA_FBC_RD_INDEX_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:27; // bits 5-31 + u32 fbc_rdi:5; // bit 0-4 +#else + u32 fbc_rdi:5; // bit 0-4 + u32 unused:27; // bits 5-31 +#endif + } bits; +} RXDMA_FBC_RD_INDEX_t, *PRXDMA_FBC_RD_INDEX_t; + +/* + * structure for free buffer ring 0 minimum descriptor reg in rxdma address map + * located at address 0x2054 + */ +typedef union _RXDMA_FBR_MIN_DES_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:22; // bits 10-31 + u32 fbr_min:10; // bits 0-9 +#else + u32 fbr_min:10; // bits 0-9 + u32 unused:22; // bits 10-31 +#endif + } bits; +} RXDMA_FBR_MIN_DES_t, *PRXDMA_FBR_MIN_DES_t; + +/* + * structure for free buffer ring 1 base address lo reg in rxdma address map + * located at address 0x2058 - 0x205C + * Defined earlier (RXDMA_FBR_BASE_LO_t and RXDMA_FBR_BASE_HI_t) + */ + +/* + * structure for free buffer ring 1 number of descriptors reg in rxdma address + * map. Located at address 0x2060 + * Defined earlier (RXDMA_FBR_NUM_DES_t) + */ + +/* + * structure for free buffer ring 1 available offset reg in rxdma address map + * located at address 0x2064 + * Defined Earlier (RXDMA_FBR_AVAIL_OFFSET_t) + */ + +/* + * structure for free buffer ring 1 full offset reg in rxdma address map + * located at address 0x2068 + * Defined Earlier (RXDMA_FBR_FULL_OFFSET_t) + */ + +/* + * structure for free buffer cache 1 read index reg in rxdma address map + * located at address 0x206C + * Defined Earlier (RXDMA_FBC_RD_INDEX_t) + */ + +/* + * structure for free buffer ring 1 minimum descriptor reg in rxdma address map + * located at address 0x2070 + * Defined Earlier (RXDMA_FBR_MIN_DES_t) + */ + +/* + * Rx DMA Module of JAGCore Address Mapping + * Located at address 0x2000 + */ +typedef struct _RXDMA_t { // Location: + RXDMA_CSR_t csr; // 0x2000 + u32 dma_wb_base_lo; // 0x2004 + u32 dma_wb_base_hi; // 0x2008 + RXDMA_NUM_PKT_DONE_t num_pkt_done; // 0x200C + RXDMA_MAX_PKT_TIME_t max_pkt_time; // 0x2010 + DMA10W_t rxq_rd_addr; // 0x2014 + DMA10W_t rxq_rd_addr_ext; // 0x2018 + DMA10W_t rxq_wr_addr; // 0x201C + u32 psr_base_lo; // 0x2020 + u32 psr_base_hi; // 0x2024 + RXDMA_PSR_NUM_DES_t psr_num_des; // 0x2028 + RXDMA_PSR_AVAIL_OFFSET_t psr_avail_offset; // 0x202C + RXDMA_PSR_FULL_OFFSET_t psr_full_offset; // 0x2030 + RXDMA_PSR_ACCESS_INDEX_t psr_access_index; // 0x2034 + RXDMA_PSR_MIN_DES_t psr_min_des; // 0x2038 + u32 fbr0_base_lo; // 0x203C + u32 fbr0_base_hi; // 0x2040 + RXDMA_FBR_NUM_DES_t fbr0_num_des; // 0x2044 + DMA10W_t fbr0_avail_offset; // 0x2048 + DMA10W_t fbr0_full_offset; // 0x204C + RXDMA_FBC_RD_INDEX_t fbr0_rd_index; // 0x2050 + RXDMA_FBR_MIN_DES_t fbr0_min_des; // 0x2054 + u32 fbr1_base_lo; // 0x2058 + u32 fbr1_base_hi; // 0x205C + RXDMA_FBR_NUM_DES_t fbr1_num_des; // 0x2060 + DMA10W_t fbr1_avail_offset; // 0x2064 + DMA10W_t fbr1_full_offset; // 0x2068 + RXDMA_FBC_RD_INDEX_t fbr1_rd_index; // 0x206C + RXDMA_FBR_MIN_DES_t fbr1_min_des; // 0x2070 +} RXDMA_t, *PRXDMA_t; + +/* END OF RXDMA REGISTER ADDRESS MAP */ + + +/* START OF TXMAC REGISTER ADDRESS MAP */ + +/* + * structure for control reg in txmac address map + * located at address 0x3000 + */ +typedef union _TXMAC_CTL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:24; // bits 8-31 + u32 cklseg_diable:1; // bit 7 + u32 ckbcnt_disable:1; // bit 6 + u32 cksegnum:1; // bit 5 + u32 async_disable:1; // bit 4 + u32 fc_disable:1; // bit 3 + u32 mcif_disable:1; // bit 2 + u32 mif_disable:1; // bit 1 + u32 txmac_en:1; // bit 0 +#else + u32 txmac_en:1; // bit 0 + u32 mif_disable:1; // bit 1 mac interface + u32 mcif_disable:1; // bit 2 mem. contr. interface + u32 fc_disable:1; // bit 3 + u32 async_disable:1; // bit 4 + u32 cksegnum:1; // bit 5 + u32 ckbcnt_disable:1; // bit 6 + u32 cklseg_diable:1; // bit 7 + u32 unused:24; // bits 8-31 +#endif + } bits; +} TXMAC_CTL_t, *PTXMAC_CTL_t; + +/* + * structure for shadow pointer reg in txmac address map + * located at address 0x3004 + */ +typedef union _TXMAC_SHADOW_PTR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:5; // bits 27-31 + u32 txq_rd_ptr:11; // bits 16-26 + u32 reserved:5; // bits 11-15 + u32 txq_wr_ptr:11; // bits 0-10 +#else + u32 txq_wr_ptr:11; // bits 0-10 + u32 reserved:5; // bits 11-15 + u32 txq_rd_ptr:11; // bits 16-26 + u32 reserved2:5; // bits 27-31 +#endif + } bits; +} TXMAC_SHADOW_PTR_t, *PTXMAC_SHADOW_PTR_t; + +/* + * structure for error count reg in txmac address map + * located at address 0x3008 + */ +typedef union _TXMAC_ERR_CNT_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:20; // bits 12-31 + u32 reserved:4; // bits 8-11 + u32 txq_underrun:4; // bits 4-7 + u32 fifo_underrun:4; // bits 0-3 +#else + u32 fifo_underrun:4; // bits 0-3 + u32 txq_underrun:4; // bits 4-7 + u32 reserved:4; // bits 8-11 + u32 unused:20; // bits 12-31 +#endif + } bits; +} TXMAC_ERR_CNT_t, *PTXMAC_ERR_CNT_t; + +/* + * structure for max fill reg in txmac address map + * located at address 0x300C + */ +typedef union _TXMAC_MAX_FILL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:20; // bits 12-31 + u32 max_fill:12; // bits 0-11 +#else + u32 max_fill:12; // bits 0-11 + u32 unused:20; // bits 12-31 +#endif + } bits; +} TXMAC_MAX_FILL_t, *PTXMAC_MAX_FILL_t; + +/* + * structure for cf parameter reg in txmac address map + * located at address 0x3010 + */ +typedef union _TXMAC_CF_PARAM_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 cfep:16; // bits 16-31 + u32 cfpt:16; // bits 0-15 +#else + u32 cfpt:16; // bits 0-15 + u32 cfep:16; // bits 16-31 +#endif + } bits; +} TXMAC_CF_PARAM_t, *PTXMAC_CF_PARAM_t; + +/* + * structure for tx test reg in txmac address map + * located at address 0x3014 + */ +typedef union _TXMAC_TXTEST_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:15; // bits 17-31 + u32 reserved1:1; // bit 16 + u32 txtest_en:1; // bit 15 + u32 unused1:4; // bits 11-14 + u32 txqtest_ptr:11; // bits 0-11 +#else + u32 txqtest_ptr:11; // bits 0-10 + u32 unused1:4; // bits 11-14 + u32 txtest_en:1; // bit 15 + u32 reserved1:1; // bit 16 + u32 unused2:15; // bits 17-31 +#endif + } bits; +} TXMAC_TXTEST_t, *PTXMAC_TXTEST_t; + +/* + * structure for error reg in txmac address map + * located at address 0x3018 + */ +typedef union _TXMAC_ERR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:23; // bits 9-31 + u32 fifo_underrun:1; // bit 8 + u32 unused1:2; // bits 6-7 + u32 ctrl2_err:1; // bit 5 + u32 txq_underrun:1; // bit 4 + u32 bcnt_err:1; // bit 3 + u32 lseg_err:1; // bit 2 + u32 segnum_err:1; // bit 1 + u32 seg0_err:1; // bit 0 +#else + u32 seg0_err:1; // bit 0 + u32 segnum_err:1; // bit 1 + u32 lseg_err:1; // bit 2 + u32 bcnt_err:1; // bit 3 + u32 txq_underrun:1; // bit 4 + u32 ctrl2_err:1; // bit 5 + u32 unused1:2; // bits 6-7 + u32 fifo_underrun:1; // bit 8 + u32 unused2:23; // bits 9-31 +#endif + } bits; +} TXMAC_ERR_t, *PTXMAC_ERR_t; + +/* + * structure for error interrupt reg in txmac address map + * located at address 0x301C + */ +typedef union _TXMAC_ERR_INT_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:23; // bits 9-31 + u32 fifo_underrun:1; // bit 8 + u32 unused1:2; // bits 6-7 + u32 ctrl2_err:1; // bit 5 + u32 txq_underrun:1; // bit 4 + u32 bcnt_err:1; // bit 3 + u32 lseg_err:1; // bit 2 + u32 segnum_err:1; // bit 1 + u32 seg0_err:1; // bit 0 +#else + u32 seg0_err:1; // bit 0 + u32 segnum_err:1; // bit 1 + u32 lseg_err:1; // bit 2 + u32 bcnt_err:1; // bit 3 + u32 txq_underrun:1; // bit 4 + u32 ctrl2_err:1; // bit 5 + u32 unused1:2; // bits 6-7 + u32 fifo_underrun:1; // bit 8 + u32 unused2:23; // bits 9-31 +#endif + } bits; +} TXMAC_ERR_INT_t, *PTXMAC_ERR_INT_t; + +/* + * structure for error interrupt reg in txmac address map + * located at address 0x3020 + */ +typedef union _TXMAC_CP_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:30; // bits 2-31 + u32 bp_req:1; // bit 1 + u32 bp_xonxoff:1; // bit 0 +#else + u32 bp_xonxoff:1; // bit 0 + u32 bp_req:1; // bit 1 + u32 unused:30; // bits 2-31 +#endif + } bits; +} TXMAC_BP_CTRL_t, *PTXMAC_BP_CTRL_t; + +/* + * Tx MAC Module of JAGCore Address Mapping + */ +typedef struct _TXMAC_t { // Location: + TXMAC_CTL_t ctl; // 0x3000 + TXMAC_SHADOW_PTR_t shadow_ptr; // 0x3004 + TXMAC_ERR_CNT_t err_cnt; // 0x3008 + TXMAC_MAX_FILL_t max_fill; // 0x300C + TXMAC_CF_PARAM_t cf_param; // 0x3010 + TXMAC_TXTEST_t tx_test; // 0x3014 + TXMAC_ERR_t err; // 0x3018 + TXMAC_ERR_INT_t err_int; // 0x301C + TXMAC_BP_CTRL_t bp_ctrl; // 0x3020 +} TXMAC_t, *PTXMAC_t; + +/* END OF TXMAC REGISTER ADDRESS MAP */ + +/* START OF RXMAC REGISTER ADDRESS MAP */ + +/* + * structure for rxmac control reg in rxmac address map + * located at address 0x4000 + */ +typedef union _RXMAC_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:25; // bits 7-31 + u32 rxmac_int_disable:1; // bit 6 + u32 async_disable:1; // bit 5 + u32 mif_disable:1; // bit 4 + u32 wol_disable:1; // bit 3 + u32 pkt_filter_disable:1; // bit 2 + u32 mcif_disable:1; // bit 1 + u32 rxmac_en:1; // bit 0 +#else + u32 rxmac_en:1; // bit 0 + u32 mcif_disable:1; // bit 1 + u32 pkt_filter_disable:1; // bit 2 + u32 wol_disable:1; // bit 3 + u32 mif_disable:1; // bit 4 + u32 async_disable:1; // bit 5 + u32 rxmac_int_disable:1; // bit 6 + u32 reserved:25; // bits 7-31 +#endif + } bits; +} RXMAC_CTRL_t, *PRXMAC_CTRL_t; + +/* + * structure for Wake On Lan Control and CRC 0 reg in rxmac address map + * located at address 0x4004 + */ +typedef union _RXMAC_WOL_CTL_CRC0_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 crc0:16; // bits 16-31 + u32 reserve:4; // bits 12-15 + u32 ignore_pp:1; // bit 11 + u32 ignore_mp:1; // bit 10 + u32 clr_intr:1; // bit 9 + u32 ignore_link_chg:1; // bit 8 + u32 ignore_uni:1; // bit 7 + u32 ignore_multi:1; // bit 6 + u32 ignore_broad:1; // bit 5 + u32 valid_crc4:1; // bit 4 + u32 valid_crc3:1; // bit 3 + u32 valid_crc2:1; // bit 2 + u32 valid_crc1:1; // bit 1 + u32 valid_crc0:1; // bit 0 +#else + u32 valid_crc0:1; // bit 0 + u32 valid_crc1:1; // bit 1 + u32 valid_crc2:1; // bit 2 + u32 valid_crc3:1; // bit 3 + u32 valid_crc4:1; // bit 4 + u32 ignore_broad:1; // bit 5 + u32 ignore_multi:1; // bit 6 + u32 ignore_uni:1; // bit 7 + u32 ignore_link_chg:1; // bit 8 + u32 clr_intr:1; // bit 9 + u32 ignore_mp:1; // bit 10 + u32 ignore_pp:1; // bit 11 + u32 reserve:4; // bits 12-15 + u32 crc0:16; // bits 16-31 +#endif + } bits; +} RXMAC_WOL_CTL_CRC0_t, *PRXMAC_WOL_CTL_CRC0_t; + +/* + * structure for CRC 1 and CRC 2 reg in rxmac address map + * located at address 0x4008 + */ +typedef union _RXMAC_WOL_CRC12_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 crc2:16; // bits 16-31 + u32 crc1:16; // bits 0-15 +#else + u32 crc1:16; // bits 0-15 + u32 crc2:16; // bits 16-31 +#endif + } bits; +} RXMAC_WOL_CRC12_t, *PRXMAC_WOL_CRC12_t; + +/* + * structure for CRC 3 and CRC 4 reg in rxmac address map + * located at address 0x400C + */ +typedef union _RXMAC_WOL_CRC34_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 crc4:16; // bits 16-31 + u32 crc3:16; // bits 0-15 +#else + u32 crc3:16; // bits 0-15 + u32 crc4:16; // bits 16-31 +#endif + } bits; +} RXMAC_WOL_CRC34_t, *PRXMAC_WOL_CRC34_t; + +/* + * structure for Wake On Lan Source Address Lo reg in rxmac address map + * located at address 0x4010 + */ +typedef union _RXMAC_WOL_SA_LO_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 sa3:8; // bits 24-31 + u32 sa4:8; // bits 16-23 + u32 sa5:8; // bits 8-15 + u32 sa6:8; // bits 0-7 +#else + u32 sa6:8; // bits 0-7 + u32 sa5:8; // bits 8-15 + u32 sa4:8; // bits 16-23 + u32 sa3:8; // bits 24-31 +#endif + } bits; +} RXMAC_WOL_SA_LO_t, *PRXMAC_WOL_SA_LO_t; + +/* + * structure for Wake On Lan Source Address Hi reg in rxmac address map + * located at address 0x4014 + */ +typedef union _RXMAC_WOL_SA_HI_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:16; // bits 16-31 + u32 sa1:8; // bits 8-15 + u32 sa2:8; // bits 0-7 +#else + u32 sa2:8; // bits 0-7 + u32 sa1:8; // bits 8-15 + u32 reserved:16; // bits 16-31 +#endif + } bits; +} RXMAC_WOL_SA_HI_t, *PRXMAC_WOL_SA_HI_t; + +/* + * structure for Wake On Lan mask reg in rxmac address map + * located at address 0x4018 - 0x4064 + * Defined earlier (u32) + */ + +/* + * structure for Unicast Paket Filter Address 1 reg in rxmac address map + * located at address 0x4068 + */ +typedef union _RXMAC_UNI_PF_ADDR1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 addr1_3:8; // bits 24-31 + u32 addr1_4:8; // bits 16-23 + u32 addr1_5:8; // bits 8-15 + u32 addr1_6:8; // bits 0-7 +#else + u32 addr1_6:8; // bits 0-7 + u32 addr1_5:8; // bits 8-15 + u32 addr1_4:8; // bits 16-23 + u32 addr1_3:8; // bits 24-31 +#endif + } bits; +} RXMAC_UNI_PF_ADDR1_t, *PRXMAC_UNI_PF_ADDR1_t; + +/* + * structure for Unicast Paket Filter Address 2 reg in rxmac address map + * located at address 0x406C + */ +typedef union _RXMAC_UNI_PF_ADDR2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 addr2_3:8; // bits 24-31 + u32 addr2_4:8; // bits 16-23 + u32 addr2_5:8; // bits 8-15 + u32 addr2_6:8; // bits 0-7 +#else + u32 addr2_6:8; // bits 0-7 + u32 addr2_5:8; // bits 8-15 + u32 addr2_4:8; // bits 16-23 + u32 addr2_3:8; // bits 24-31 +#endif + } bits; +} RXMAC_UNI_PF_ADDR2_t, *PRXMAC_UNI_PF_ADDR2_t; + +/* + * structure for Unicast Paket Filter Address 1 & 2 reg in rxmac address map + * located at address 0x4070 + */ +typedef union _RXMAC_UNI_PF_ADDR3_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 addr2_1:8; // bits 24-31 + u32 addr2_2:8; // bits 16-23 + u32 addr1_1:8; // bits 8-15 + u32 addr1_2:8; // bits 0-7 +#else + u32 addr1_2:8; // bits 0-7 + u32 addr1_1:8; // bits 8-15 + u32 addr2_2:8; // bits 16-23 + u32 addr2_1:8; // bits 24-31 +#endif + } bits; +} RXMAC_UNI_PF_ADDR3_t, *PRXMAC_UNI_PF_ADDR3_t; + +/* + * structure for Multicast Hash reg in rxmac address map + * located at address 0x4074 - 0x4080 + * Defined earlier (u32) + */ + +/* + * structure for Packet Filter Control reg in rxmac address map + * located at address 0x4084 + */ +typedef union _RXMAC_PF_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused2:9; // bits 23-31 + u32 min_pkt_size:7; // bits 16-22 + u32 unused1:12; // bits 4-15 + u32 filter_frag_en:1; // bit 3 + u32 filter_uni_en:1; // bit 2 + u32 filter_multi_en:1; // bit 1 + u32 filter_broad_en:1; // bit 0 +#else + u32 filter_broad_en:1; // bit 0 + u32 filter_multi_en:1; // bit 1 + u32 filter_uni_en:1; // bit 2 + u32 filter_frag_en:1; // bit 3 + u32 unused1:12; // bits 4-15 + u32 min_pkt_size:7; // bits 16-22 + u32 unused2:9; // bits 23-31 +#endif + } bits; +} RXMAC_PF_CTRL_t, *PRXMAC_PF_CTRL_t; + +/* + * structure for Memory Controller Interface Control Max Segment reg in rxmac + * address map. Located at address 0x4088 + */ +typedef union _RXMAC_MCIF_CTRL_MAX_SEG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:22; // bits 10-31 + u32 max_size:8; // bits 2-9 + u32 fc_en:1; // bit 1 + u32 seg_en:1; // bit 0 +#else + u32 seg_en:1; // bit 0 + u32 fc_en:1; // bit 1 + u32 max_size:8; // bits 2-9 + u32 reserved:22; // bits 10-31 +#endif + } bits; +} RXMAC_MCIF_CTRL_MAX_SEG_t, *PRXMAC_MCIF_CTRL_MAX_SEG_t; + +/* + * structure for Memory Controller Interface Water Mark reg in rxmac address + * map. Located at address 0x408C + */ +typedef union _RXMAC_MCIF_WATER_MARK_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:6; // bits 26-31 + u32 mark_hi:10; // bits 16-25 + u32 reserved1:6; // bits 10-15 + u32 mark_lo:10; // bits 0-9 +#else + u32 mark_lo:10; // bits 0-9 + u32 reserved1:6; // bits 10-15 + u32 mark_hi:10; // bits 16-25 + u32 reserved2:6; // bits 26-31 +#endif + } bits; +} RXMAC_MCIF_WATER_MARK_t, *PRXMAC_MCIF_WATER_MARK_t; + +/* + * structure for Rx Queue Dialog reg in rxmac address map. + * located at address 0x4090 + */ +typedef union _RXMAC_RXQ_DIAG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:6; // bits 26-31 + u32 rd_ptr:10; // bits 16-25 + u32 reserved1:6; // bits 10-15 + u32 wr_ptr:10; // bits 0-9 +#else + u32 wr_ptr:10; // bits 0-9 + u32 reserved1:6; // bits 10-15 + u32 rd_ptr:10; // bits 16-25 + u32 reserved2:6; // bits 26-31 +#endif + } bits; +} RXMAC_RXQ_DIAG_t, *PRXMAC_RXQ_DIAG_t; + +/* + * structure for space availiable reg in rxmac address map. + * located at address 0x4094 + */ +typedef union _RXMAC_SPACE_AVAIL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:15; // bits 17-31 + u32 space_avail_en:1; // bit 16 + u32 reserved1:6; // bits 10-15 + u32 space_avail:10; // bits 0-9 +#else + u32 space_avail:10; // bits 0-9 + u32 reserved1:6; // bits 10-15 + u32 space_avail_en:1; // bit 16 + u32 reserved2:15; // bits 17-31 +#endif + } bits; +} RXMAC_SPACE_AVAIL_t, *PRXMAC_SPACE_AVAIL_t; + +/* + * structure for management interface reg in rxmac address map. + * located at address 0x4098 + */ +typedef union _RXMAC_MIF_CTL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserve:14; // bits 18-31 + u32 drop_pkt_en:1; // bit 17 + u32 drop_pkt_mask:17; // bits 0-16 +#else + u32 drop_pkt_mask:17; // bits 0-16 + u32 drop_pkt_en:1; // bit 17 + u32 reserve:14; // bits 18-31 +#endif + } bits; +} RXMAC_MIF_CTL_t, *PRXMAC_MIF_CTL_t; + +/* + * structure for Error reg in rxmac address map. + * located at address 0x409C + */ +typedef union _RXMAC_ERROR_REG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserve:28; // bits 4-31 + u32 mif:1; // bit 3 + u32 async:1; // bit 2 + u32 pkt_filter:1; // bit 1 + u32 mcif:1; // bit 0 +#else + u32 mcif:1; // bit 0 + u32 pkt_filter:1; // bit 1 + u32 async:1; // bit 2 + u32 mif:1; // bit 3 + u32 reserve:28; // bits 4-31 +#endif + } bits; +} RXMAC_ERROR_REG_t, *PRXMAC_ERROR_REG_t; + +/* + * Rx MAC Module of JAGCore Address Mapping + */ +typedef struct _RXMAC_t { // Location: + RXMAC_CTRL_t ctrl; // 0x4000 + RXMAC_WOL_CTL_CRC0_t crc0; // 0x4004 + RXMAC_WOL_CRC12_t crc12; // 0x4008 + RXMAC_WOL_CRC34_t crc34; // 0x400C + RXMAC_WOL_SA_LO_t sa_lo; // 0x4010 + RXMAC_WOL_SA_HI_t sa_hi; // 0x4014 + u32 mask0_word0; // 0x4018 + u32 mask0_word1; // 0x401C + u32 mask0_word2; // 0x4020 + u32 mask0_word3; // 0x4024 + u32 mask1_word0; // 0x4028 + u32 mask1_word1; // 0x402C + u32 mask1_word2; // 0x4030 + u32 mask1_word3; // 0x4034 + u32 mask2_word0; // 0x4038 + u32 mask2_word1; // 0x403C + u32 mask2_word2; // 0x4040 + u32 mask2_word3; // 0x4044 + u32 mask3_word0; // 0x4048 + u32 mask3_word1; // 0x404C + u32 mask3_word2; // 0x4050 + u32 mask3_word3; // 0x4054 + u32 mask4_word0; // 0x4058 + u32 mask4_word1; // 0x405C + u32 mask4_word2; // 0x4060 + u32 mask4_word3; // 0x4064 + RXMAC_UNI_PF_ADDR1_t uni_pf_addr1; // 0x4068 + RXMAC_UNI_PF_ADDR2_t uni_pf_addr2; // 0x406C + RXMAC_UNI_PF_ADDR3_t uni_pf_addr3; // 0x4070 + u32 multi_hash1; // 0x4074 + u32 multi_hash2; // 0x4078 + u32 multi_hash3; // 0x407C + u32 multi_hash4; // 0x4080 + RXMAC_PF_CTRL_t pf_ctrl; // 0x4084 + RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg; // 0x4088 + RXMAC_MCIF_WATER_MARK_t mcif_water_mark; // 0x408C + RXMAC_RXQ_DIAG_t rxq_diag; // 0x4090 + RXMAC_SPACE_AVAIL_t space_avail; // 0x4094 + + RXMAC_MIF_CTL_t mif_ctrl; // 0x4098 + RXMAC_ERROR_REG_t err_reg; // 0x409C +} RXMAC_t, *PRXMAC_t; + +/* END OF TXMAC REGISTER ADDRESS MAP */ + + +/* START OF MAC REGISTER ADDRESS MAP */ + +/* + * structure for configuration #1 reg in mac address map. + * located at address 0x5000 + */ +typedef union _MAC_CFG1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 soft_reset:1; // bit 31 + u32 sim_reset:1; // bit 30 + u32 reserved3:10; // bits 20-29 + u32 reset_rx_mc:1; // bit 19 + u32 reset_tx_mc:1; // bit 18 + u32 reset_rx_fun:1; // bit 17 + u32 reset_tx_fun:1; // bit 16 + u32 reserved2:7; // bits 9-15 + u32 loop_back:1; // bit 8 + u32 reserved1:2; // bits 6-7 + u32 rx_flow:1; // bit 5 + u32 tx_flow:1; // bit 4 + u32 syncd_rx_en:1; // bit 3 + u32 rx_enable:1; // bit 2 + u32 syncd_tx_en:1; // bit 1 + u32 tx_enable:1; // bit 0 +#else + u32 tx_enable:1; // bit 0 + u32 syncd_tx_en:1; // bit 1 + u32 rx_enable:1; // bit 2 + u32 syncd_rx_en:1; // bit 3 + u32 tx_flow:1; // bit 4 + u32 rx_flow:1; // bit 5 + u32 reserved1:2; // bits 6-7 + u32 loop_back:1; // bit 8 + u32 reserved2:7; // bits 9-15 + u32 reset_tx_fun:1; // bit 16 + u32 reset_rx_fun:1; // bit 17 + u32 reset_tx_mc:1; // bit 18 + u32 reset_rx_mc:1; // bit 19 + u32 reserved3:10; // bits 20-29 + u32 sim_reset:1; // bit 30 + u32 soft_reset:1; // bit 31 +#endif + } bits; +} MAC_CFG1_t, *PMAC_CFG1_t; + +/* + * structure for configuration #2 reg in mac address map. + * located at address 0x5004 + */ +typedef union _MAC_CFG2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved3:16; // bits 16-31 + u32 preamble_len:4; // bits 12-15 + u32 reserved2:2; // bits 10-11 + u32 if_mode:2; // bits 8-9 + u32 reserved1:2; // bits 6-7 + u32 huge_frame:1; // bit 5 + u32 len_check:1; // bit 4 + u32 undefined:1; // bit 3 + u32 pad_crc:1; // bit 2 + u32 crc_enable:1; // bit 1 + u32 full_duplex:1; // bit 0 +#else + u32 full_duplex:1; // bit 0 + u32 crc_enable:1; // bit 1 + u32 pad_crc:1; // bit 2 + u32 undefined:1; // bit 3 + u32 len_check:1; // bit 4 + u32 huge_frame:1; // bit 5 + u32 reserved1:2; // bits 6-7 + u32 if_mode:2; // bits 8-9 + u32 reserved2:2; // bits 10-11 + u32 preamble_len:4; // bits 12-15 + u32 reserved3:16; // bits 16-31 +#endif + } bits; +} MAC_CFG2_t, *PMAC_CFG2_t; + +/* + * structure for Interpacket gap reg in mac address map. + * located at address 0x5008 + */ +typedef union _MAC_IPG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:1; // bit 31 + u32 non_B2B_ipg_1:7; // bits 24-30 + u32 undefined2:1; // bit 23 + u32 non_B2B_ipg_2:7; // bits 16-22 + u32 min_ifg_enforce:8; // bits 8-15 + u32 undefined1:1; // bit 7 + u32 B2B_ipg:7; // bits 0-6 +#else + u32 B2B_ipg:7; // bits 0-6 + u32 undefined1:1; // bit 7 + u32 min_ifg_enforce:8; // bits 8-15 + u32 non_B2B_ipg_2:7; // bits 16-22 + u32 undefined2:1; // bit 23 + u32 non_B2B_ipg_1:7; // bits 24-30 + u32 reserved:1; // bit 31 +#endif + } bits; +} MAC_IPG_t, *PMAC_IPG_t; + +/* + * structure for half duplex reg in mac address map. + * located at address 0x500C + */ +typedef union _MAC_HFDP_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:8; // bits 24-31 + u32 alt_beb_trunc:4; // bits 23-20 + u32 alt_beb_enable:1; // bit 19 + u32 bp_no_backoff:1; // bit 18 + u32 no_backoff:1; // bit 17 + u32 excess_defer:1; // bit 16 + u32 rexmit_max:4; // bits 12-15 + u32 reserved1:2; // bits 10-11 + u32 coll_window:10; // bits 0-9 +#else + u32 coll_window:10; // bits 0-9 + u32 reserved1:2; // bits 10-11 + u32 rexmit_max:4; // bits 12-15 + u32 excess_defer:1; // bit 16 + u32 no_backoff:1; // bit 17 + u32 bp_no_backoff:1; // bit 18 + u32 alt_beb_enable:1; // bit 19 + u32 alt_beb_trunc:4; // bits 23-20 + u32 reserved2:8; // bits 24-31 +#endif + } bits; +} MAC_HFDP_t, *PMAC_HFDP_t; + +/* + * structure for Maximum Frame Length reg in mac address map. + * located at address 0x5010 + */ +typedef union _MAC_MAX_FM_LEN_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:16; // bits 16-31 + u32 max_len:16; // bits 0-15 +#else + u32 max_len:16; // bits 0-15 + u32 reserved:16; // bits 16-31 +#endif + } bits; +} MAC_MAX_FM_LEN_t, *PMAC_MAX_FM_LEN_t; + +/* + * structure for Reserve 1 reg in mac address map. + * located at address 0x5014 - 0x5018 + * Defined earlier (u32) + */ + +/* + * structure for Test reg in mac address map. + * located at address 0x501C + */ +typedef union _MAC_TEST_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:29; // bits 3-31 + u32 mac_test:3; // bits 0-2 +#else + u32 mac_test:3; // bits 0-2 + u32 unused:29; // bits 3-31 +#endif + } bits; +} MAC_TEST_t, *PMAC_TEST_t; + +/* + * structure for MII Management Configuration reg in mac address map. + * located at address 0x5020 + */ +typedef union _MII_MGMT_CFG_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reset_mii_mgmt:1; // bit 31 + u32 reserved:25; // bits 6-30 + u32 scan_auto_incremt:1; // bit 5 + u32 preamble_suppress:1; // bit 4 + u32 undefined:1; // bit 3 + u32 mgmt_clk_reset:3; // bits 0-2 +#else + u32 mgmt_clk_reset:3; // bits 0-2 + u32 undefined:1; // bit 3 + u32 preamble_suppress:1; // bit 4 + u32 scan_auto_incremt:1; // bit 5 + u32 reserved:25; // bits 6-30 + u32 reset_mii_mgmt:1; // bit 31 +#endif + } bits; +} MII_MGMT_CFG_t, *PMII_MGMT_CFG_t; + +/* + * structure for MII Management Command reg in mac address map. + * located at address 0x5024 + */ +typedef union _MII_MGMT_CMD_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:30; // bits 2-31 + u32 scan_cycle:1; // bit 1 + u32 read_cycle:1; // bit 0 +#else + u32 read_cycle:1; // bit 0 + u32 scan_cycle:1; // bit 1 + u32 reserved:30; // bits 2-31 +#endif + } bits; +} MII_MGMT_CMD_t, *PMII_MGMT_CMD_t; + +/* + * structure for MII Management Address reg in mac address map. + * located at address 0x5028 + */ +typedef union _MII_MGMT_ADDR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved2:19; // bit 13-31 + u32 phy_addr:5; // bits 8-12 + u32 reserved1:3; // bits 5-7 + u32 reg_addr:5; // bits 0-4 +#else + u32 reg_addr:5; // bits 0-4 + u32 reserved1:3; // bits 5-7 + u32 phy_addr:5; // bits 8-12 + u32 reserved2:19; // bit 13-31 +#endif + } bits; +} MII_MGMT_ADDR_t, *PMII_MGMT_ADDR_t; + +/* + * structure for MII Management Control reg in mac address map. + * located at address 0x502C + */ +typedef union _MII_MGMT_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:16; // bits 16-31 + u32 phy_ctrl:16; // bits 0-15 +#else + u32 phy_ctrl:16; // bits 0-15 + u32 reserved:16; // bits 16-31 +#endif + } bits; +} MII_MGMT_CTRL_t, *PMII_MGMT_CTRL_t; + +/* + * structure for MII Management Status reg in mac address map. + * located at address 0x5030 + */ +typedef union _MII_MGMT_STAT_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:16; // bits 16-31 + u32 phy_stat:16; // bits 0-15 +#else + u32 phy_stat:16; // bits 0-15 + u32 reserved:16; // bits 16-31 +#endif + } bits; +} MII_MGMT_STAT_t, *PMII_MGMT_STAT_t; + +/* + * structure for MII Management Indicators reg in mac address map. + * located at address 0x5034 + */ +typedef union _MII_MGMT_INDICATOR_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:29; // bits 3-31 + u32 not_valid:1; // bit 2 + u32 scanning:1; // bit 1 + u32 busy:1; // bit 0 +#else + u32 busy:1; // bit 0 + u32 scanning:1; // bit 1 + u32 not_valid:1; // bit 2 + u32 reserved:29; // bits 3-31 +#endif + } bits; +} MII_MGMT_INDICATOR_t, *PMII_MGMT_INDICATOR_t; + +/* + * structure for Interface Control reg in mac address map. + * located at address 0x5038 + */ +typedef union _MAC_IF_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reset_if_module:1; // bit 31 + u32 reserved4:3; // bit 28-30 + u32 tbi_mode:1; // bit 27 + u32 ghd_mode:1; // bit 26 + u32 lhd_mode:1; // bit 25 + u32 phy_mode:1; // bit 24 + u32 reset_per_mii:1; // bit 23 + u32 reserved3:6; // bits 17-22 + u32 speed:1; // bit 16 + u32 reset_pe100x:1; // bit 15 + u32 reserved2:4; // bits 11-14 + u32 force_quiet:1; // bit 10 + u32 no_cipher:1; // bit 9 + u32 disable_link_fail:1; // bit 8 + u32 reset_gpsi:1; // bit 7 + u32 reserved1:6; // bits 1-6 + u32 enab_jab_protect:1; // bit 0 +#else + u32 enab_jab_protect:1; // bit 0 + u32 reserved1:6; // bits 1-6 + u32 reset_gpsi:1; // bit 7 + u32 disable_link_fail:1; // bit 8 + u32 no_cipher:1; // bit 9 + u32 force_quiet:1; // bit 10 + u32 reserved2:4; // bits 11-14 + u32 reset_pe100x:1; // bit 15 + u32 speed:1; // bit 16 + u32 reserved3:6; // bits 17-22 + u32 reset_per_mii:1; // bit 23 + u32 phy_mode:1; // bit 24 + u32 lhd_mode:1; // bit 25 + u32 ghd_mode:1; // bit 26 + u32 tbi_mode:1; // bit 27 + u32 reserved4:3; // bit 28-30 + u32 reset_if_module:1; // bit 31 +#endif + } bits; +} MAC_IF_CTRL_t, *PMAC_IF_CTRL_t; + +/* + * structure for Interface Status reg in mac address map. + * located at address 0x503C + */ +typedef union _MAC_IF_STAT_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:22; // bits 10-31 + u32 excess_defer:1; // bit 9 + u32 clash:1; // bit 8 + u32 phy_jabber:1; // bit 7 + u32 phy_link_ok:1; // bit 6 + u32 phy_full_duplex:1; // bit 5 + u32 phy_speed:1; // bit 4 + u32 pe100x_link_fail:1; // bit 3 + u32 pe10t_loss_carrie:1; // bit 2 + u32 pe10t_sqe_error:1; // bit 1 + u32 pe10t_jabber:1; // bit 0 +#else + u32 pe10t_jabber:1; // bit 0 + u32 pe10t_sqe_error:1; // bit 1 + u32 pe10t_loss_carrie:1; // bit 2 + u32 pe100x_link_fail:1; // bit 3 + u32 phy_speed:1; // bit 4 + u32 phy_full_duplex:1; // bit 5 + u32 phy_link_ok:1; // bit 6 + u32 phy_jabber:1; // bit 7 + u32 clash:1; // bit 8 + u32 excess_defer:1; // bit 9 + u32 reserved:22; // bits 10-31 +#endif + } bits; +} MAC_IF_STAT_t, *PMAC_IF_STAT_t; + +/* + * structure for Mac Station Address, Part 1 reg in mac address map. + * located at address 0x5040 + */ +typedef union _MAC_STATION_ADDR1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 Octet6:8; // bits 24-31 + u32 Octet5:8; // bits 16-23 + u32 Octet4:8; // bits 8-15 + u32 Octet3:8; // bits 0-7 +#else + u32 Octet3:8; // bits 0-7 + u32 Octet4:8; // bits 8-15 + u32 Octet5:8; // bits 16-23 + u32 Octet6:8; // bits 24-31 +#endif + } bits; +} MAC_STATION_ADDR1_t, *PMAC_STATION_ADDR1_t; + +/* + * structure for Mac Station Address, Part 2 reg in mac address map. + * located at address 0x5044 + */ +typedef union _MAC_STATION_ADDR2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 Octet2:8; // bits 24-31 + u32 Octet1:8; // bits 16-23 + u32 reserved:16; // bits 0-15 +#else + u32 reserved:16; // bit 0-15 + u32 Octet1:8; // bits 16-23 + u32 Octet2:8; // bits 24-31 +#endif + } bits; +} MAC_STATION_ADDR2_t, *PMAC_STATION_ADDR2_t; + +/* + * MAC Module of JAGCore Address Mapping + */ +typedef struct _MAC_t { // Location: + MAC_CFG1_t cfg1; // 0x5000 + MAC_CFG2_t cfg2; // 0x5004 + MAC_IPG_t ipg; // 0x5008 + MAC_HFDP_t hfdp; // 0x500C + MAC_MAX_FM_LEN_t max_fm_len; // 0x5010 + u32 rsv1; // 0x5014 + u32 rsv2; // 0x5018 + MAC_TEST_t mac_test; // 0x501C + MII_MGMT_CFG_t mii_mgmt_cfg; // 0x5020 + MII_MGMT_CMD_t mii_mgmt_cmd; // 0x5024 + MII_MGMT_ADDR_t mii_mgmt_addr; // 0x5028 + MII_MGMT_CTRL_t mii_mgmt_ctrl; // 0x502C + MII_MGMT_STAT_t mii_mgmt_stat; // 0x5030 + MII_MGMT_INDICATOR_t mii_mgmt_indicator; // 0x5034 + MAC_IF_CTRL_t if_ctrl; // 0x5038 + MAC_IF_STAT_t if_stat; // 0x503C + MAC_STATION_ADDR1_t station_addr_1; // 0x5040 + MAC_STATION_ADDR2_t station_addr_2; // 0x5044 +} MAC_t, *PMAC_t; + +/* END OF MAC REGISTER ADDRESS MAP */ + +/* START OF MAC STAT REGISTER ADDRESS MAP */ + +/* + * structure for Carry Register One and it's Mask Register reg located in mac + * stat address map address 0x6130 and 0x6138. + */ +typedef union _MAC_STAT_REG_1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 tr64:1; // bit 31 + u32 tr127:1; // bit 30 + u32 tr255:1; // bit 29 + u32 tr511:1; // bit 28 + u32 tr1k:1; // bit 27 + u32 trmax:1; // bit 26 + u32 trmgv:1; // bit 25 + u32 unused:8; // bits 17-24 + u32 rbyt:1; // bit 16 + u32 rpkt:1; // bit 15 + u32 rfcs:1; // bit 14 + u32 rmca:1; // bit 13 + u32 rbca:1; // bit 12 + u32 rxcf:1; // bit 11 + u32 rxpf:1; // bit 10 + u32 rxuo:1; // bit 9 + u32 raln:1; // bit 8 + u32 rflr:1; // bit 7 + u32 rcde:1; // bit 6 + u32 rcse:1; // bit 5 + u32 rund:1; // bit 4 + u32 rovr:1; // bit 3 + u32 rfrg:1; // bit 2 + u32 rjbr:1; // bit 1 + u32 rdrp:1; // bit 0 +#else + u32 rdrp:1; // bit 0 + u32 rjbr:1; // bit 1 + u32 rfrg:1; // bit 2 + u32 rovr:1; // bit 3 + u32 rund:1; // bit 4 + u32 rcse:1; // bit 5 + u32 rcde:1; // bit 6 + u32 rflr:1; // bit 7 + u32 raln:1; // bit 8 + u32 rxuo:1; // bit 9 + u32 rxpf:1; // bit 10 + u32 rxcf:1; // bit 11 + u32 rbca:1; // bit 12 + u32 rmca:1; // bit 13 + u32 rfcs:1; // bit 14 + u32 rpkt:1; // bit 15 + u32 rbyt:1; // bit 16 + u32 unused:8; // bits 17-24 + u32 trmgv:1; // bit 25 + u32 trmax:1; // bit 26 + u32 tr1k:1; // bit 27 + u32 tr511:1; // bit 28 + u32 tr255:1; // bit 29 + u32 tr127:1; // bit 30 + u32 tr64:1; // bit 31 +#endif + } bits; +} MAC_STAT_REG_1_t, *PMAC_STAT_REG_1_t; + +/* + * structure for Carry Register Two Mask Register reg in mac stat address map. + * located at address 0x613C + */ +typedef union _MAC_STAT_REG_2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:12; // bit 20-31 + u32 tjbr:1; // bit 19 + u32 tfcs:1; // bit 18 + u32 txcf:1; // bit 17 + u32 tovr:1; // bit 16 + u32 tund:1; // bit 15 + u32 tfrg:1; // bit 14 + u32 tbyt:1; // bit 13 + u32 tpkt:1; // bit 12 + u32 tmca:1; // bit 11 + u32 tbca:1; // bit 10 + u32 txpf:1; // bit 9 + u32 tdfr:1; // bit 8 + u32 tedf:1; // bit 7 + u32 tscl:1; // bit 6 + u32 tmcl:1; // bit 5 + u32 tlcl:1; // bit 4 + u32 txcl:1; // bit 3 + u32 tncl:1; // bit 2 + u32 tpfh:1; // bit 1 + u32 tdrp:1; // bit 0 +#else + u32 tdrp:1; // bit 0 + u32 tpfh:1; // bit 1 + u32 tncl:1; // bit 2 + u32 txcl:1; // bit 3 + u32 tlcl:1; // bit 4 + u32 tmcl:1; // bit 5 + u32 tscl:1; // bit 6 + u32 tedf:1; // bit 7 + u32 tdfr:1; // bit 8 + u32 txpf:1; // bit 9 + u32 tbca:1; // bit 10 + u32 tmca:1; // bit 11 + u32 tpkt:1; // bit 12 + u32 tbyt:1; // bit 13 + u32 tfrg:1; // bit 14 + u32 tund:1; // bit 15 + u32 tovr:1; // bit 16 + u32 txcf:1; // bit 17 + u32 tfcs:1; // bit 18 + u32 tjbr:1; // bit 19 + u32 unused:12; // bit 20-31 +#endif + } bits; +} MAC_STAT_REG_2_t, *PMAC_STAT_REG_2_t; + +/* + * MAC STATS Module of JAGCore Address Mapping + */ +typedef struct _MAC_STAT_t { // Location: + u32 pad[32]; // 0x6000 - 607C + + // Tx/Rx 0-64 Byte Frame Counter + u32 TR64; // 0x6080 + + // Tx/Rx 65-127 Byte Frame Counter + u32 TR127; // 0x6084 + + // Tx/Rx 128-255 Byte Frame Counter + u32 TR255; // 0x6088 + + // Tx/Rx 256-511 Byte Frame Counter + u32 TR511; // 0x608C + + // Tx/Rx 512-1023 Byte Frame Counter + u32 TR1K; // 0x6090 + + // Tx/Rx 1024-1518 Byte Frame Counter + u32 TRMax; // 0x6094 + + // Tx/Rx 1519-1522 Byte Good VLAN Frame Count + u32 TRMgv; // 0x6098 + + // Rx Byte Counter + u32 RByt; // 0x609C + + // Rx Packet Counter + u32 RPkt; // 0x60A0 + + // Rx FCS Error Counter + u32 RFcs; // 0x60A4 + + // Rx Multicast Packet Counter + u32 RMca; // 0x60A8 + + // Rx Broadcast Packet Counter + u32 RBca; // 0x60AC + + // Rx Control Frame Packet Counter + u32 RxCf; // 0x60B0 + + // Rx Pause Frame Packet Counter + u32 RxPf; // 0x60B4 + + // Rx Unknown OP Code Counter + u32 RxUo; // 0x60B8 + + // Rx Alignment Error Counter + u32 RAln; // 0x60BC + + // Rx Frame Length Error Counter + u32 RFlr; // 0x60C0 + + // Rx Code Error Counter + u32 RCde; // 0x60C4 + + // Rx Carrier Sense Error Counter + u32 RCse; // 0x60C8 + + // Rx Undersize Packet Counter + u32 RUnd; // 0x60CC + + // Rx Oversize Packet Counter + u32 ROvr; // 0x60D0 + + // Rx Fragment Counter + u32 RFrg; // 0x60D4 + + // Rx Jabber Counter + u32 RJbr; // 0x60D8 + + // Rx Drop + u32 RDrp; // 0x60DC + + // Tx Byte Counter + u32 TByt; // 0x60E0 + + // Tx Packet Counter + u32 TPkt; // 0x60E4 + + // Tx Multicast Packet Counter + u32 TMca; // 0x60E8 + + // Tx Broadcast Packet Counter + u32 TBca; // 0x60EC + + // Tx Pause Control Frame Counter + u32 TxPf; // 0x60F0 + + // Tx Deferral Packet Counter + u32 TDfr; // 0x60F4 + + // Tx Excessive Deferral Packet Counter + u32 TEdf; // 0x60F8 + + // Tx Single Collision Packet Counter + u32 TScl; // 0x60FC + + // Tx Multiple Collision Packet Counter + u32 TMcl; // 0x6100 + + // Tx Late Collision Packet Counter + u32 TLcl; // 0x6104 + + // Tx Excessive Collision Packet Counter + u32 TXcl; // 0x6108 + + // Tx Total Collision Packet Counter + u32 TNcl; // 0x610C + + // Tx Pause Frame Honored Counter + u32 TPfh; // 0x6110 + + // Tx Drop Frame Counter + u32 TDrp; // 0x6114 + + // Tx Jabber Frame Counter + u32 TJbr; // 0x6118 + + // Tx FCS Error Counter + u32 TFcs; // 0x611C + + // Tx Control Frame Counter + u32 TxCf; // 0x6120 + + // Tx Oversize Frame Counter + u32 TOvr; // 0x6124 + + // Tx Undersize Frame Counter + u32 TUnd; // 0x6128 + + // Tx Fragments Frame Counter + u32 TFrg; // 0x612C + + // Carry Register One Register + MAC_STAT_REG_1_t Carry1; // 0x6130 + + // Carry Register Two Register + MAC_STAT_REG_2_t Carry2; // 0x6134 + + // Carry Register One Mask Register + MAC_STAT_REG_1_t Carry1M; // 0x6138 + + // Carry Register Two Mask Register + MAC_STAT_REG_2_t Carry2M; // 0x613C +} MAC_STAT_t, *PMAC_STAT_t; + +/* END OF MAC STAT REGISTER ADDRESS MAP */ + + +/* START OF MMC REGISTER ADDRESS MAP */ + +/* + * structure for Main Memory Controller Control reg in mmc address map. + * located at address 0x7000 + */ +typedef union _MMC_CTRL_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:25; // bits 7-31 + u32 force_ce:1; // bit 6 + u32 rxdma_disable:1; // bit 5 + u32 txdma_disable:1; // bit 4 + u32 txmac_disable:1; // bit 3 + u32 rxmac_disable:1; // bit 2 + u32 arb_disable:1; // bit 1 + u32 mmc_enable:1; // bit 0 +#else + u32 mmc_enable:1; // bit 0 + u32 arb_disable:1; // bit 1 + u32 rxmac_disable:1; // bit 2 + u32 txmac_disable:1; // bit 3 + u32 txdma_disable:1; // bit 4 + u32 rxdma_disable:1; // bit 5 + u32 force_ce:1; // bit 6 + u32 reserved:25; // bits 7-31 +#endif + } bits; +} MMC_CTRL_t, *PMMC_CTRL_t; + +/* + * structure for Main Memory Controller Host Memory Access Address reg in mmc + * address map. Located at address 0x7004 + */ +typedef union _MMC_SRAM_ACCESS_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 byte_enable:16; // bits 16-31 + u32 reserved2:2; // bits 14-15 + u32 req_addr:10; // bits 4-13 + u32 reserved1:1; // bit 3 + u32 is_ctrl_word:1; // bit 2 + u32 wr_access:1; // bit 1 + u32 req_access:1; // bit 0 +#else + u32 req_access:1; // bit 0 + u32 wr_access:1; // bit 1 + u32 is_ctrl_word:1; // bit 2 + u32 reserved1:1; // bit 3 + u32 req_addr:10; // bits 4-13 + u32 reserved2:2; // bits 14-15 + u32 byte_enable:16; // bits 16-31 +#endif + } bits; +} MMC_SRAM_ACCESS_t, *PMMC_SRAM_ACCESS_t; + +/* + * structure for Main Memory Controller Host Memory Access Data reg in mmc + * address map. Located at address 0x7008 - 0x7014 + * Defined earlier (u32) + */ + +/* + * Memory Control Module of JAGCore Address Mapping + */ +typedef struct _MMC_t { // Location: + MMC_CTRL_t mmc_ctrl; // 0x7000 + MMC_SRAM_ACCESS_t sram_access; // 0x7004 + u32 sram_word1; // 0x7008 + u32 sram_word2; // 0x700C + u32 sram_word3; // 0x7010 + u32 sram_word4; // 0x7014 +} MMC_t, *PMMC_t; + +/* END OF MMC REGISTER ADDRESS MAP */ + + +/* START OF EXP ROM REGISTER ADDRESS MAP */ + +/* + * Expansion ROM Module of JAGCore Address Mapping + */ + +/* Take this out until it is not empty */ +#if 0 +typedef struct _EXP_ROM_t { + +} EXP_ROM_t, *PEXP_ROM_t; +#endif + +/* END OF EXP ROM REGISTER ADDRESS MAP */ + + +/* + * JAGCore Address Mapping + */ +typedef struct _ADDRESS_MAP_t { + GLOBAL_t global; + // unused section of global address map + u8 unused_global[4096 - sizeof(GLOBAL_t)]; + TXDMA_t txdma; + // unused section of txdma address map + u8 unused_txdma[4096 - sizeof(TXDMA_t)]; + RXDMA_t rxdma; + // unused section of rxdma address map + u8 unused_rxdma[4096 - sizeof(RXDMA_t)]; + TXMAC_t txmac; + // unused section of txmac address map + u8 unused_txmac[4096 - sizeof(TXMAC_t)]; + RXMAC_t rxmac; + // unused section of rxmac address map + u8 unused_rxmac[4096 - sizeof(RXMAC_t)]; + MAC_t mac; + // unused section of mac address map + u8 unused_mac[4096 - sizeof(MAC_t)]; + MAC_STAT_t macStat; + // unused section of mac stat address map + u8 unused_mac_stat[4096 - sizeof(MAC_STAT_t)]; + MMC_t mmc; + // unused section of mmc address map + u8 unused_mmc[4096 - sizeof(MMC_t)]; + // unused section of address map + u8 unused_[1015808]; + +/* Take this out until it is not empty */ +#if 0 + EXP_ROM_t exp_rom; +#endif + + u8 unused_exp_rom[4096]; // MGS-size TBD + u8 unused__[524288]; // unused section of address map +} ADDRESS_MAP_t, *PADDRESS_MAP_t; + +#endif /* _ET1310_ADDRESS_MAP_H_ */ diff --git a/drivers/staging/et131x/et1310_eeprom.c b/drivers/staging/et131x/et1310_eeprom.c new file mode 100644 index 000000000000..c2b194e6a54c --- /dev/null +++ b/drivers/staging/et131x/et1310_eeprom.c @@ -0,0 +1,480 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_eeprom.c - Code used to access the device's EEPROM + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_eeprom.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" +#include "et131x_isr.h" + +#include "et1310_tx.h" + + +/* + * EEPROM Defines + */ + +/* LBCIF Register Groups (addressed via 32-bit offsets) */ +#define LBCIF_DWORD0_GROUP_OFFSET 0xAC +#define LBCIF_DWORD1_GROUP_OFFSET 0xB0 + +/* LBCIF Registers (addressed via 8-bit offsets) */ +#define LBCIF_ADDRESS_REGISTER_OFFSET 0xAC +#define LBCIF_DATA_REGISTER_OFFSET 0xB0 +#define LBCIF_CONTROL_REGISTER_OFFSET 0xB1 +#define LBCIF_STATUS_REGISTER_OFFSET 0xB2 + +/* LBCIF Control Register Bits */ +#define LBCIF_CONTROL_SEQUENTIAL_READ 0x01 +#define LBCIF_CONTROL_PAGE_WRITE 0x02 +#define LBCIF_CONTROL_UNUSED1 0x04 +#define LBCIF_CONTROL_EEPROM_RELOAD 0x08 +#define LBCIF_CONTROL_UNUSED2 0x10 +#define LBCIF_CONTROL_TWO_BYTE_ADDR 0x20 +#define LBCIF_CONTROL_I2C_WRITE 0x40 +#define LBCIF_CONTROL_LBCIF_ENABLE 0x80 + +/* LBCIF Status Register Bits */ +#define LBCIF_STATUS_PHY_QUEUE_AVAIL 0x01 +#define LBCIF_STATUS_I2C_IDLE 0x02 +#define LBCIF_STATUS_ACK_ERROR 0x04 +#define LBCIF_STATUS_GENERAL_ERROR 0x08 +#define LBCIF_STATUS_UNUSED 0x30 +#define LBCIF_STATUS_CHECKSUM_ERROR 0x40 +#define LBCIF_STATUS_EEPROM_PRESENT 0x80 + +/* Miscellaneous Constraints */ +#define MAX_NUM_REGISTER_POLLS 1000 +#define MAX_NUM_WRITE_RETRIES 2 + +/* + * Define macros that allow individual register values to be extracted from a + * DWORD1 register grouping + */ +#define EXTRACT_DATA_REGISTER(x) (uint8_t)(x & 0xFF) +#define EXTRACT_STATUS_REGISTER(x) (uint8_t)((x >> 16) & 0xFF) +#define EXTRACT_CONTROL_REG(x) (uint8_t)((x >> 8) & 0xFF) + +/** + * EepromWriteByte - Write a byte to the ET1310's EEPROM + * @pAdapter: pointer to our private adapter structure + * @unAddress: the address to write + * @bData: the value to write + * @unEepronId: the ID of the EEPROM + * @unAddressingMode: how the EEPROM is to be accessed + * + * Returns SUCCESS or FAILURE + */ +int32_t EepromWriteByte(struct et131x_adapter *pAdapter, uint32_t unAddress, + uint8_t bData, uint32_t unEepromId, + uint32_t unAddressingMode) +{ + struct pci_dev *pdev = pAdapter->pdev; + int32_t nIndex; + int32_t nRetries; + int32_t nError = false; + int32_t nI2CWriteActive = 0; + int32_t nWriteSuccessful = 0; + uint8_t bControl; + uint8_t bStatus = 0; + uint32_t unDword1 = 0; + uint32_t unData = 0; + + /* + * The following excerpt is from "Serial EEPROM HW Design + * Specification" Version 0.92 (9/20/2004): + * + * Single Byte Writes + * + * For an EEPROM, an I2C single byte write is defined as a START + * condition followed by the device address, EEPROM address, one byte + * of data and a STOP condition. The STOP condition will trigger the + * EEPROM's internally timed write cycle to the nonvolatile memory. + * All inputs are disabled during this write cycle and the EEPROM will + * not respond to any access until the internal write is complete. + * The steps to execute a single byte write are as follows: + * + * 1. Check LBCIF Status Register for bits 6 & 3:2 all equal to 0 and + * bits 7,1:0 both equal to 1, at least once after reset. + * Subsequent operations need only to check that bits 1:0 are + * equal to 1 prior to starting a single byte write. + * + * 2. Write to the LBCIF Control Register: bit 7=1, bit 6=1, bit 3=0, + * and bits 1:0 both =0. Bit 5 should be set according to the + * type of EEPROM being accessed (1=two byte addressing, 0=one + * byte addressing). + * + * 3. Write the address to the LBCIF Address Register. + * + * 4. Write the data to the LBCIF Data Register (the I2C write will + * begin). + * + * 5. Monitor bit 1:0 of the LBCIF Status Register. When bits 1:0 are + * both equal to 1, the I2C write has completed and the internal + * write cycle of the EEPROM is about to start. (bits 1:0 = 01 is + * a legal state while waiting from both equal to 1, but bits + * 1:0 = 10 is invalid and implies that something is broken). + * + * 6. Check bit 3 of the LBCIF Status Register. If equal to 1, an + * error has occurred. + * + * 7. Check bit 2 of the LBCIF Status Register. If equal to 1 an ACK + * error has occurred on the address phase of the write. This + * could be due to an actual hardware failure or the EEPROM may + * still be in its internal write cycle from a previous write. + * This write operation was ignored and must be repeated later. + * + * 8. Set bit 6 of the LBCIF Control Register = 0. If another write is + * required, go to step 1. + */ + + /* Step 1: */ + for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) { + /* Read registers grouped in DWORD1 */ + if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET, + &unDword1)) { + nError = 1; + break; + } + + bStatus = EXTRACT_STATUS_REGISTER(unDword1); + + if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL && + bStatus & LBCIF_STATUS_I2C_IDLE) { + /* bits 1:0 are equal to 1 */ + break; + } + } + + if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) { + return FAILURE; + } + + /* Step 2: */ + bControl = 0; + bControl |= LBCIF_CONTROL_LBCIF_ENABLE | LBCIF_CONTROL_I2C_WRITE; + + if (unAddressingMode == DUAL_BYTE) { + bControl |= LBCIF_CONTROL_TWO_BYTE_ADDR; + } + + if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET, + bControl)) { + return FAILURE; + } + + nI2CWriteActive = 1; + + /* Prepare EEPROM address for Step 3 */ + unAddress |= (unAddressingMode == DUAL_BYTE) ? + (unEepromId << 16) : (unEepromId << 8); + + for (nRetries = 0; nRetries < MAX_NUM_WRITE_RETRIES; nRetries++) { + /* Step 3:*/ + if (pci_write_config_dword(pdev, LBCIF_ADDRESS_REGISTER_OFFSET, + unAddress)) { + break; + } + + /* Step 4: */ + if (pci_write_config_byte(pdev, LBCIF_DATA_REGISTER_OFFSET, + bData)) { + break; + } + + /* Step 5: */ + for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) { + /* Read registers grouped in DWORD1 */ + if (pci_read_config_dword(pdev, + LBCIF_DWORD1_GROUP_OFFSET, + &unDword1)) { + nError = 1; + break; + } + + bStatus = EXTRACT_STATUS_REGISTER(unDword1); + + if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL && + bStatus & LBCIF_STATUS_I2C_IDLE) { + /* I2C write complete */ + break; + } + } + + if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) { + break; + } + + /* + * Step 6: Don't break here if we are revision 1, this is + * so we do a blind write for load bug. + */ + if (bStatus & LBCIF_STATUS_GENERAL_ERROR + && pAdapter->RevisionID == 0) { + break; + } + + /* Step 7 */ + if (bStatus & LBCIF_STATUS_ACK_ERROR) { + /* + * This could be due to an actual hardware failure + * or the EEPROM may still be in its internal write + * cycle from a previous write. This write operation + * was ignored and must be repeated later. + */ + udelay(10); + continue; + } + + nWriteSuccessful = 1; + break; + } + + /* Step 8: */ + udelay(10); + nIndex = 0; + while (nI2CWriteActive) { + bControl &= ~LBCIF_CONTROL_I2C_WRITE; + + if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET, + bControl)) { + nWriteSuccessful = 0; + } + + /* Do read until internal ACK_ERROR goes away meaning write + * completed + */ + do { + pci_write_config_dword(pdev, + LBCIF_ADDRESS_REGISTER_OFFSET, + unAddress); + do { + pci_read_config_dword(pdev, + LBCIF_DATA_REGISTER_OFFSET, &unData); + } while ((unData & 0x00010000) == 0); + } while (unData & 0x00040000); + + bControl = EXTRACT_CONTROL_REG(unData); + + if (bControl != 0xC0 || nIndex == 10000) { + break; + } + + nIndex++; + } + + return nWriteSuccessful ? SUCCESS : FAILURE; +} + +/** + * EepromReadByte - Read a byte from the ET1310's EEPROM + * @pAdapter: pointer to our private adapter structure + * @unAddress: the address from which to read + * @pbData: a pointer to a byte in which to store the value of the read + * @unEepronId: the ID of the EEPROM + * @unAddressingMode: how the EEPROM is to be accessed + * + * Returns SUCCESS or FAILURE + */ +int32_t EepromReadByte(struct et131x_adapter *pAdapter, uint32_t unAddress, + uint8_t *pbData, uint32_t unEepromId, + uint32_t unAddressingMode) +{ + struct pci_dev *pdev = pAdapter->pdev; + int32_t nIndex; + int32_t nError = 0; + uint8_t bControl; + uint8_t bStatus = 0; + uint32_t unDword1 = 0; + + /* + * The following excerpt is from "Serial EEPROM HW Design + * Specification" Version 0.92 (9/20/2004): + * + * Single Byte Reads + * + * A single byte read is similar to the single byte write, with the + * exception of the data flow: + * + * 1. Check LBCIF Status Register for bits 6 & 3:2 all equal to 0 and + * bits 7,1:0 both equal to 1, at least once after reset. + * Subsequent operations need only to check that bits 1:0 are equal + * to 1 prior to starting a single byte read. + * + * 2. Write to the LBCIF Control Register: bit 7=1, bit 6=0, bit 3=0, + * and bits 1:0 both =0. Bit 5 should be set according to the type + * of EEPROM being accessed (1=two byte addressing, 0=one byte + * addressing). + * + * 3. Write the address to the LBCIF Address Register (I2C read will + * begin). + * + * 4. Monitor bit 0 of the LBCIF Status Register. When =1, I2C read + * is complete. (if bit 1 =1 and bit 0 stays =0, a hardware failure + * has occurred). + * + * 5. Check bit 2 of the LBCIF Status Register. If =1, then an error + * has occurred. The data that has been returned from the PHY may + * be invalid. + * + * 6. Regardless of error status, read data byte from LBCIF Data + * Register. If another byte is required, go to step 1. + */ + + /* Step 1: */ + for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) { + /* Read registers grouped in DWORD1 */ + if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET, + &unDword1)) { + nError = 1; + break; + } + + bStatus = EXTRACT_STATUS_REGISTER(unDword1); + + if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL && + bStatus & LBCIF_STATUS_I2C_IDLE) { + /* bits 1:0 are equal to 1 */ + break; + } + } + + if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) { + return FAILURE; + } + + /* Step 2: */ + bControl = 0; + bControl |= LBCIF_CONTROL_LBCIF_ENABLE; + + if (unAddressingMode == DUAL_BYTE) { + bControl |= LBCIF_CONTROL_TWO_BYTE_ADDR; + } + + if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET, + bControl)) { + return FAILURE; + } + + /* Step 3: */ + unAddress |= (unAddressingMode == DUAL_BYTE) ? + (unEepromId << 16) : (unEepromId << 8); + + if (pci_write_config_dword(pdev, LBCIF_ADDRESS_REGISTER_OFFSET, + unAddress)) { + return FAILURE; + } + + /* Step 4: */ + for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) { + /* Read registers grouped in DWORD1 */ + if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET, + &unDword1)) { + nError = 1; + break; + } + + bStatus = EXTRACT_STATUS_REGISTER(unDword1); + + if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL + && bStatus & LBCIF_STATUS_I2C_IDLE) { + /* I2C read complete */ + break; + } + } + + if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) { + return FAILURE; + } + + /* Step 6: */ + *pbData = EXTRACT_DATA_REGISTER(unDword1); + + return (bStatus & LBCIF_STATUS_ACK_ERROR) ? FAILURE : SUCCESS; +} diff --git a/drivers/staging/et131x/et1310_eeprom.h b/drivers/staging/et131x/et1310_eeprom.h new file mode 100644 index 000000000000..9b6f8ad77b49 --- /dev/null +++ b/drivers/staging/et131x/et1310_eeprom.h @@ -0,0 +1,89 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_eeprom.h - Defines, structs, enums, prototypes, etc. used for EEPROM + * access routines + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET1310_EEPROM_H__ +#define __ET1310_EEPROM_H__ + +#include "et1310_address_map.h" + +#ifndef SUCCESS +#define SUCCESS 0 +#define FAILURE 1 +#endif + +#ifndef READ +#define READ 0 +#define WRITE 1 +#endif + +#ifndef SINGLE_BYTE +#define SINGLE_BYTE 0 +#define DUAL_BYTE 1 +#endif + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +int32_t EepromWriteByte(struct et131x_adapter *adapter, u32 unAddress, + u8 bData, u32 unEepromId, + u32 unAddressingMode); +int32_t EepromReadByte(struct et131x_adapter *adapter, u32 unAddress, + u8 *pbData, u32 unEepromId, + u32 unAddressingMode); + +#endif /* _ET1310_EEPROM_H_ */ diff --git a/drivers/staging/et131x/et1310_jagcore.c b/drivers/staging/et131x/et1310_jagcore.c new file mode 100644 index 000000000000..993b30ea71e2 --- /dev/null +++ b/drivers/staging/et131x/et1310_jagcore.c @@ -0,0 +1,220 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_jagcore.c - All code pertaining to the ET1301/ET131x's JAGcore + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/** + * ConfigGlobalRegs - Used to configure the global registers on the JAGCore + * @pAdpater: pointer to our adapter structure + */ +void ConfigGlobalRegs(struct et131x_adapter *pAdapter) +{ + struct _GLOBAL_t __iomem *pGbl = &pAdapter->CSRAddress->global; + + DBG_ENTER(et131x_dbginfo); + + if (pAdapter->RegistryPhyLoopbk == false) { + if (pAdapter->RegistryJumboPacket < 2048) { + /* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word + * block of RAM that the driver can split between Tx + * and Rx as it desires. Our default is to split it + * 50/50: + */ + writel(0, &pGbl->rxq_start_addr.value); + writel(pAdapter->RegistryRxMemEnd, + &pGbl->rxq_end_addr.value); + writel(pAdapter->RegistryRxMemEnd + 1, + &pGbl->txq_start_addr.value); + writel(INTERNAL_MEM_SIZE - 1, + &pGbl->txq_end_addr.value); + } else if (pAdapter->RegistryJumboPacket < 8192) { + /* For jumbo packets > 2k but < 8k, split 50-50. */ + writel(0, &pGbl->rxq_start_addr.value); + writel(INTERNAL_MEM_RX_OFFSET, + &pGbl->rxq_end_addr.value); + writel(INTERNAL_MEM_RX_OFFSET + 1, + &pGbl->txq_start_addr.value); + writel(INTERNAL_MEM_SIZE - 1, + &pGbl->txq_end_addr.value); + } else { + /* 9216 is the only packet size greater than 8k that + * is available. The Tx buffer has to be big enough + * for one whole packet on the Tx side. We'll make + * the Tx 9408, and give the rest to Rx + */ + writel(0x0000, &pGbl->rxq_start_addr.value); + writel(0x01b3, &pGbl->rxq_end_addr.value); + writel(0x01b4, &pGbl->txq_start_addr.value); + writel(INTERNAL_MEM_SIZE - 1, + &pGbl->txq_end_addr.value); + } + + /* Initialize the loopback register. Disable all loopbacks. */ + writel(0, &pGbl->loopback.value); + } else { + /* For PHY Line loopback, the memory is configured as if Tx + * and Rx both have all the memory. This is because the + * RxMAC will write data into the space, and the TxMAC will + * read it out. + */ + writel(0, &pGbl->rxq_start_addr.value); + writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr.value); + writel(0, &pGbl->txq_start_addr.value); + writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr.value); + + /* Initialize the loopback register (MAC loopback). */ + writel(1, &pGbl->loopback.value); + } + + /* MSI Register */ + writel(0, &pGbl->msi_config.value); + + /* By default, disable the watchdog timer. It will be enabled when + * a packet is queued. + */ + writel(0, &pGbl->watchdog_timer); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * ConfigMMCRegs - Used to configure the main memory registers in the JAGCore + * @pAdapter: pointer to our adapter structure + */ +void ConfigMMCRegs(struct et131x_adapter *pAdapter) +{ + MMC_CTRL_t mmc_ctrl = { 0 }; + + DBG_ENTER(et131x_dbginfo); + + /* All we need to do is initialize the Memory Control Register */ + mmc_ctrl.bits.force_ce = 0x0; + mmc_ctrl.bits.rxdma_disable = 0x0; + mmc_ctrl.bits.txdma_disable = 0x0; + mmc_ctrl.bits.txmac_disable = 0x0; + mmc_ctrl.bits.rxmac_disable = 0x0; + mmc_ctrl.bits.arb_disable = 0x0; + mmc_ctrl.bits.mmc_enable = 0x1; + + writel(mmc_ctrl.value, &pAdapter->CSRAddress->mmc.mmc_ctrl.value); + + DBG_LEAVE(et131x_dbginfo); +} + +void et131x_enable_interrupts(struct et131x_adapter *adapter) +{ + uint32_t MaskValue; + + /* Enable all global interrupts */ + if ((adapter->FlowControl == TxOnly) || (adapter->FlowControl == Both)) { + MaskValue = INT_MASK_ENABLE; + } else { + MaskValue = INT_MASK_ENABLE_NO_FLOW; + } + + if (adapter->DriverNoPhyAccess) { + MaskValue |= 0x10000; + } + + adapter->CachedMaskValue.value = MaskValue; + writel(MaskValue, &adapter->CSRAddress->global.int_mask.value); +} + +void et131x_disable_interrupts(struct et131x_adapter * adapter) +{ + /* Disable all global interrupts */ + adapter->CachedMaskValue.value = INT_MASK_DISABLE; + writel(INT_MASK_DISABLE, &adapter->CSRAddress->global.int_mask.value); +} diff --git a/drivers/staging/et131x/et1310_jagcore.h b/drivers/staging/et131x/et1310_jagcore.h new file mode 100644 index 000000000000..9fc829336df1 --- /dev/null +++ b/drivers/staging/et131x/et1310_jagcore.h @@ -0,0 +1,112 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_jagcore.h - Defines, structs, enums, prototypes, etc. pertaining to + * the JAGCore + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET1310_JAGCORE_H__ +#define __ET1310_JAGCORE_H__ + +#include "et1310_address_map.h" + + +#define INTERNAL_MEM_SIZE 0x400 //1024 of internal memory +#define INTERNAL_MEM_RX_OFFSET 0x1FF //50% Tx, 50% Rx + +#define REGS_MAX_ARRAY 4096 + +/* + * For interrupts, normal running is: + * rxdma_xfr_done, phy_interrupt, mac_stat_interrupt, + * watchdog_interrupt & txdma_xfer_done + * + * In both cases, when flow control is enabled for either Tx or bi-direction, + * we additional enable rx_fbr0_low and rx_fbr1_low, so we know when the + * buffer rings are running low. + */ +#define INT_MASK_DISABLE 0xffffffff + +// NOTE: Masking out MAC_STAT Interrupt for now... +//#define INT_MASK_ENABLE 0xfff6bf17 +//#define INT_MASK_ENABLE_NO_FLOW 0xfff6bfd7 +#define INT_MASK_ENABLE 0xfffebf17 +#define INT_MASK_ENABLE_NO_FLOW 0xfffebfd7 + +/* DATA STRUCTURES FOR DIRECT REGISTER ACCESS */ + +typedef struct { + u8 bReadWrite; + u32 nRegCount; + u32 nData[REGS_MAX_ARRAY]; + u32 nOffsets[REGS_MAX_ARRAY]; +} JAGCORE_ACCESS_REGS, *PJAGCORE_ACCESS_REGS; + +typedef struct { + u8 bReadWrite; + u32 nDataWidth; + u32 nRegCount; + u32 nOffsets[REGS_MAX_ARRAY]; + u32 nData[REGS_MAX_ARRAY]; +} PCI_CFG_SPACE_REGS, *PPCI_CFG_SPACE_REGS; + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +void ConfigGlobalRegs(struct et131x_adapter *pAdapter); +void ConfigMMCRegs(struct et131x_adapter *pAdapter); +void et131x_enable_interrupts(struct et131x_adapter *adapter); +void et131x_disable_interrupts(struct et131x_adapter *adapter); + +#endif /* __ET1310_JAGCORE_H__ */ diff --git a/drivers/staging/et131x/et1310_mac.c b/drivers/staging/et131x/et1310_mac.c new file mode 100644 index 000000000000..1924968ab24f --- /dev/null +++ b/drivers/staging/et131x/et1310_mac.c @@ -0,0 +1,792 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_mac.c - All code and routines pertaining to the MAC + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_mac.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/** + * ConfigMacRegs1 - Initialize the first part of MAC regs + * @pAdpater: pointer to our adapter structure + */ +void ConfigMACRegs1(struct et131x_adapter *pAdapter) +{ + struct _MAC_t __iomem *pMac = &pAdapter->CSRAddress->mac; + MAC_STATION_ADDR1_t station1; + MAC_STATION_ADDR2_t station2; + MAC_IPG_t ipg; + MAC_HFDP_t hfdp; + MII_MGMT_CFG_t mii_mgmt_cfg; + + DBG_ENTER(et131x_dbginfo); + + /* First we need to reset everything. Write to MAC configuration + * register 1 to perform reset. + */ + writel(0xC00F0000, &pMac->cfg1.value); + + /* Next lets configure the MAC Inter-packet gap register */ + ipg.bits.non_B2B_ipg_1 = 0x38; // 58d + ipg.bits.non_B2B_ipg_2 = 0x58; // 88d + ipg.bits.min_ifg_enforce = 0x50; // 80d + ipg.bits.B2B_ipg = 0x60; // 96d + writel(ipg.value, &pMac->ipg.value); + + /* Next lets configure the MAC Half Duplex register */ + hfdp.bits.alt_beb_trunc = 0xA; + hfdp.bits.alt_beb_enable = 0x0; + hfdp.bits.bp_no_backoff = 0x0; + hfdp.bits.no_backoff = 0x0; + hfdp.bits.excess_defer = 0x1; + hfdp.bits.rexmit_max = 0xF; + hfdp.bits.coll_window = 0x37; // 55d + writel(hfdp.value, &pMac->hfdp.value); + + /* Next lets configure the MAC Interface Control register */ + writel(0, &pMac->if_ctrl.value); + + /* Let's move on to setting up the mii managment configuration */ + mii_mgmt_cfg.bits.reset_mii_mgmt = 0; + mii_mgmt_cfg.bits.scan_auto_incremt = 0; + mii_mgmt_cfg.bits.preamble_suppress = 0; + mii_mgmt_cfg.bits.mgmt_clk_reset = 0x7; + writel(mii_mgmt_cfg.value, &pMac->mii_mgmt_cfg.value); + + /* Next lets configure the MAC Station Address register. These + * values are read from the EEPROM during initialization and stored + * in the adapter structure. We write what is stored in the adapter + * structure to the MAC Station Address registers high and low. This + * station address is used for generating and checking pause control + * packets. + */ + station2.bits.Octet1 = pAdapter->CurrentAddress[0]; + station2.bits.Octet2 = pAdapter->CurrentAddress[1]; + station1.bits.Octet3 = pAdapter->CurrentAddress[2]; + station1.bits.Octet4 = pAdapter->CurrentAddress[3]; + station1.bits.Octet5 = pAdapter->CurrentAddress[4]; + station1.bits.Octet6 = pAdapter->CurrentAddress[5]; + writel(station1.value, &pMac->station_addr_1.value); + writel(station2.value, &pMac->station_addr_2.value); + + /* Max ethernet packet in bytes that will passed by the mac without + * being truncated. Allow the MAC to pass 4 more than our max packet + * size. This is 4 for the Ethernet CRC. + * + * Packets larger than (RegistryJumboPacket) that do not contain a + * VLAN ID will be dropped by the Rx function. + */ + writel(pAdapter->RegistryJumboPacket + 4, &pMac->max_fm_len.value); + + /* clear out MAC config reset */ + writel(0, &pMac->cfg1.value); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * ConfigMacRegs2 - Initialize the second part of MAC regs + * @pAdpater: pointer to our adapter structure + */ +void ConfigMACRegs2(struct et131x_adapter *pAdapter) +{ + int32_t delay = 0; + struct _MAC_t __iomem *pMac = &pAdapter->CSRAddress->mac; + MAC_CFG1_t cfg1; + MAC_CFG2_t cfg2; + MAC_IF_CTRL_t ifctrl; + TXMAC_CTL_t ctl; + + DBG_ENTER(et131x_dbginfo); + + ctl.value = readl(&pAdapter->CSRAddress->txmac.ctl.value); + cfg1.value = readl(&pMac->cfg1.value); + cfg2.value = readl(&pMac->cfg2.value); + ifctrl.value = readl(&pMac->if_ctrl.value); + + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) { + cfg2.bits.if_mode = 0x2; + ifctrl.bits.phy_mode = 0x0; + } else { + cfg2.bits.if_mode = 0x1; + ifctrl.bits.phy_mode = 0x1; + } + + /* We need to enable Rx/Tx */ + cfg1.bits.rx_enable = 0x1; + cfg1.bits.tx_enable = 0x1; + + /* Set up flow control */ + cfg1.bits.tx_flow = 0x1; + + if ((pAdapter->FlowControl == RxOnly) || + (pAdapter->FlowControl == Both)) { + cfg1.bits.rx_flow = 0x1; + } else { + cfg1.bits.rx_flow = 0x0; + } + + /* Initialize loop back to off */ + cfg1.bits.loop_back = 0; + + writel(cfg1.value, &pMac->cfg1.value); + + /* Now we need to initialize the MAC Configuration 2 register */ + cfg2.bits.preamble_len = 0x7; + cfg2.bits.huge_frame = 0x0; + /* LENGTH FIELD CHECKING bit4: Set this bit to cause the MAC to check + * the frame's length field to ensure it matches the actual data + * field length. Clear this bit if no length field checking is + * desired. Its default is 0. + */ + cfg2.bits.len_check = 0x1; + + if (pAdapter->RegistryPhyLoopbk == false) { + cfg2.bits.pad_crc = 0x1; + cfg2.bits.crc_enable = 0x1; + } else { + cfg2.bits.pad_crc = 0; + cfg2.bits.crc_enable = 0; + } + + /* 1 - full duplex, 0 - half-duplex */ + cfg2.bits.full_duplex = pAdapter->uiDuplexMode; + ifctrl.bits.ghd_mode = !pAdapter->uiDuplexMode; + + writel(ifctrl.value, &pMac->if_ctrl.value); + writel(cfg2.value, &pMac->cfg2.value); + + do { + udelay(10); + delay++; + cfg1.value = readl(&pMac->cfg1.value); + } while ((!cfg1.bits.syncd_rx_en || + !cfg1.bits.syncd_tx_en) && + delay < 100); + + if (delay == 100) { + DBG_ERROR(et131x_dbginfo, + "Syncd bits did not respond correctly cfg1 word 0x%08x\n", + cfg1.value); + } + + DBG_TRACE(et131x_dbginfo, + "Speed %d, Dup %d, CFG1 0x%08x, CFG2 0x%08x, if_ctrl 0x%08x\n", + pAdapter->uiLinkSpeed, pAdapter->uiDuplexMode, + readl(&pMac->cfg1.value), readl(&pMac->cfg2.value), + readl(&pMac->if_ctrl.value)); + + /* Enable TXMAC */ + ctl.bits.txmac_en = 0x1; + ctl.bits.fc_disable = 0x1; + writel(ctl.value, &pAdapter->CSRAddress->txmac.ctl.value); + + /* Ready to start the RXDMA/TXDMA engine */ + if (!MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER)) { + et131x_rx_dma_enable(pAdapter); + et131x_tx_dma_enable(pAdapter); + } else { + DBG_WARNING(et131x_dbginfo, + "Didn't enable Rx/Tx due to low-power mode\n"); + } + + DBG_LEAVE(et131x_dbginfo); +} + +void ConfigRxMacRegs(struct et131x_adapter *pAdapter) +{ + struct _RXMAC_t __iomem *pRxMac = &pAdapter->CSRAddress->rxmac; + RXMAC_WOL_SA_LO_t sa_lo; + RXMAC_WOL_SA_HI_t sa_hi; + RXMAC_PF_CTRL_t pf_ctrl = { 0 }; + + DBG_ENTER(et131x_dbginfo); + + /* Disable the MAC while it is being configured (also disable WOL) */ + writel(0x8, &pRxMac->ctrl.value); + + /* Initialize WOL to disabled. */ + writel(0, &pRxMac->crc0.value); + writel(0, &pRxMac->crc12.value); + writel(0, &pRxMac->crc34.value); + + /* We need to set the WOL mask0 - mask4 next. We initialize it to + * its default Values of 0x00000000 because there are not WOL masks + * as of this time. + */ + writel(0, &pRxMac->mask0_word0); + writel(0, &pRxMac->mask0_word1); + writel(0, &pRxMac->mask0_word2); + writel(0, &pRxMac->mask0_word3); + + writel(0, &pRxMac->mask1_word0); + writel(0, &pRxMac->mask1_word1); + writel(0, &pRxMac->mask1_word2); + writel(0, &pRxMac->mask1_word3); + + writel(0, &pRxMac->mask2_word0); + writel(0, &pRxMac->mask2_word1); + writel(0, &pRxMac->mask2_word2); + writel(0, &pRxMac->mask2_word3); + + writel(0, &pRxMac->mask3_word0); + writel(0, &pRxMac->mask3_word1); + writel(0, &pRxMac->mask3_word2); + writel(0, &pRxMac->mask3_word3); + + writel(0, &pRxMac->mask4_word0); + writel(0, &pRxMac->mask4_word1); + writel(0, &pRxMac->mask4_word2); + writel(0, &pRxMac->mask4_word3); + + /* Lets setup the WOL Source Address */ + sa_lo.bits.sa3 = pAdapter->CurrentAddress[2]; + sa_lo.bits.sa4 = pAdapter->CurrentAddress[3]; + sa_lo.bits.sa5 = pAdapter->CurrentAddress[4]; + sa_lo.bits.sa6 = pAdapter->CurrentAddress[5]; + writel(sa_lo.value, &pRxMac->sa_lo.value); + + sa_hi.bits.sa1 = pAdapter->CurrentAddress[0]; + sa_hi.bits.sa2 = pAdapter->CurrentAddress[1]; + writel(sa_hi.value, &pRxMac->sa_hi.value); + + /* Disable all Packet Filtering */ + writel(0, &pRxMac->pf_ctrl.value); + + /* Let's initialize the Unicast Packet filtering address */ + if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_DIRECTED) { + SetupDeviceForUnicast(pAdapter); + pf_ctrl.bits.filter_uni_en = 1; + } else { + writel(0, &pRxMac->uni_pf_addr1.value); + writel(0, &pRxMac->uni_pf_addr2.value); + writel(0, &pRxMac->uni_pf_addr3.value); + } + + /* Let's initialize the Multicast hash */ + if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST) { + pf_ctrl.bits.filter_multi_en = 0; + } else { + pf_ctrl.bits.filter_multi_en = 1; + SetupDeviceForMulticast(pAdapter); + } + + /* Runt packet filtering. Didn't work in version A silicon. */ + pf_ctrl.bits.min_pkt_size = NIC_MIN_PACKET_SIZE + 4; + pf_ctrl.bits.filter_frag_en = 1; + + if (pAdapter->RegistryJumboPacket > 8192) { + RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg; + + /* In order to transmit jumbo packets greater than 8k, the + * FIFO between RxMAC and RxDMA needs to be reduced in size + * to (16k - Jumbo packet size). In order to implement this, + * we must use "cut through" mode in the RxMAC, which chops + * packets down into segments which are (max_size * 16). In + * this case we selected 256 bytes, since this is the size of + * the PCI-Express TLP's that the 1310 uses. + */ + mcif_ctrl_max_seg.bits.seg_en = 0x1; + mcif_ctrl_max_seg.bits.fc_en = 0x0; + mcif_ctrl_max_seg.bits.max_size = 0x10; + + writel(mcif_ctrl_max_seg.value, + &pRxMac->mcif_ctrl_max_seg.value); + } else { + writel(0, &pRxMac->mcif_ctrl_max_seg.value); + } + + /* Initialize the MCIF water marks */ + writel(0, &pRxMac->mcif_water_mark.value); + + /* Initialize the MIF control */ + writel(0, &pRxMac->mif_ctrl.value); + + /* Initialize the Space Available Register */ + writel(0, &pRxMac->space_avail.value); + + /* Initialize the the mif_ctrl register + * bit 3: Receive code error. One or more nibbles were signaled as + * errors during the reception of the packet. Clear this + * bit in Gigabit, set it in 100Mbit. This was derived + * experimentally at UNH. + * bit 4: Receive CRC error. The packet's CRC did not match the + * internally generated CRC. + * bit 5: Receive length check error. Indicates that frame length + * field value in the packet does not match the actual data + * byte length and is not a type field. + * bit 16: Receive frame truncated. + * bit 17: Drop packet enable + */ + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_100MBPS) { + writel(0x30038, &pRxMac->mif_ctrl.value); + } else { + writel(0x30030, &pRxMac->mif_ctrl.value); + } + + /* Finally we initialize RxMac to be enabled & WOL disabled. Packet + * filter is always enabled since it is where the runt packets are + * supposed to be dropped. For version A silicon, runt packet + * dropping doesn't work, so it is disabled in the pf_ctrl register, + * but we still leave the packet filter on. + */ + writel(pf_ctrl.value, &pRxMac->pf_ctrl.value); + writel(0x9, &pRxMac->ctrl.value); + + DBG_LEAVE(et131x_dbginfo); +} + +void ConfigTxMacRegs(struct et131x_adapter *pAdapter) +{ + struct _TXMAC_t __iomem *pTxMac = &pAdapter->CSRAddress->txmac; + TXMAC_CF_PARAM_t Local; + + DBG_ENTER(et131x_dbginfo); + + /* We need to update the Control Frame Parameters + * cfpt - control frame pause timer set to 64 (0x40) + * cfep - control frame extended pause timer set to 0x0 + */ + if (pAdapter->FlowControl == None) { + writel(0, &pTxMac->cf_param.value); + } else { + Local.bits.cfpt = 0x40; + Local.bits.cfep = 0x0; + writel(Local.value, &pTxMac->cf_param.value); + } + + DBG_LEAVE(et131x_dbginfo); +} + +void ConfigMacStatRegs(struct et131x_adapter *pAdapter) +{ + struct _MAC_STAT_t __iomem *pDevMacStat = + &pAdapter->CSRAddress->macStat; + + DBG_ENTER(et131x_dbginfo); + + /* Next we need to initialize all the MAC_STAT registers to zero on + * the device. + */ + writel(0, &pDevMacStat->RFcs); + writel(0, &pDevMacStat->RAln); + writel(0, &pDevMacStat->RFlr); + writel(0, &pDevMacStat->RDrp); + writel(0, &pDevMacStat->RCde); + writel(0, &pDevMacStat->ROvr); + writel(0, &pDevMacStat->RFrg); + + writel(0, &pDevMacStat->TScl); + writel(0, &pDevMacStat->TDfr); + writel(0, &pDevMacStat->TMcl); + writel(0, &pDevMacStat->TLcl); + writel(0, &pDevMacStat->TNcl); + writel(0, &pDevMacStat->TOvr); + writel(0, &pDevMacStat->TUnd); + + /* Unmask any counters that we want to track the overflow of. + * Initially this will be all counters. It may become clear later + * that we do not need to track all counters. + */ + { + MAC_STAT_REG_1_t Carry1M = { 0xffffffff }; + + Carry1M.bits.rdrp = 0; + Carry1M.bits.rjbr = 1; + Carry1M.bits.rfrg = 0; + Carry1M.bits.rovr = 0; + Carry1M.bits.rund = 1; + Carry1M.bits.rcse = 1; + Carry1M.bits.rcde = 0; + Carry1M.bits.rflr = 0; + Carry1M.bits.raln = 0; + Carry1M.bits.rxuo = 1; + Carry1M.bits.rxpf = 1; + Carry1M.bits.rxcf = 1; + Carry1M.bits.rbca = 1; + Carry1M.bits.rmca = 1; + Carry1M.bits.rfcs = 0; + Carry1M.bits.rpkt = 1; + Carry1M.bits.rbyt = 1; + Carry1M.bits.trmgv = 1; + Carry1M.bits.trmax = 1; + Carry1M.bits.tr1k = 1; + Carry1M.bits.tr511 = 1; + Carry1M.bits.tr255 = 1; + Carry1M.bits.tr127 = 1; + Carry1M.bits.tr64 = 1; + + writel(Carry1M.value, &pDevMacStat->Carry1M.value); + } + + { + MAC_STAT_REG_2_t Carry2M = { 0xffffffff }; + + Carry2M.bits.tdrp = 1; + Carry2M.bits.tpfh = 1; + Carry2M.bits.tncl = 0; + Carry2M.bits.txcl = 1; + Carry2M.bits.tlcl = 0; + Carry2M.bits.tmcl = 0; + Carry2M.bits.tscl = 0; + Carry2M.bits.tedf = 1; + Carry2M.bits.tdfr = 0; + Carry2M.bits.txpf = 1; + Carry2M.bits.tbca = 1; + Carry2M.bits.tmca = 1; + Carry2M.bits.tpkt = 1; + Carry2M.bits.tbyt = 1; + Carry2M.bits.tfrg = 1; + Carry2M.bits.tund = 0; + Carry2M.bits.tovr = 0; + Carry2M.bits.txcf = 1; + Carry2M.bits.tfcs = 1; + Carry2M.bits.tjbr = 1; + + writel(Carry2M.value, &pDevMacStat->Carry2M.value); + } + + DBG_LEAVE(et131x_dbginfo); +} + +void ConfigFlowControl(struct et131x_adapter * pAdapter) +{ + if (pAdapter->uiDuplexMode == 0) { + pAdapter->FlowControl = None; + } else { + char RemotePause, RemoteAsyncPause; + + ET1310_PhyAccessMiBit(pAdapter, + TRUEPHY_BIT_READ, 5, 10, &RemotePause); + ET1310_PhyAccessMiBit(pAdapter, + TRUEPHY_BIT_READ, 5, 11, + &RemoteAsyncPause); + + if ((RemotePause == TRUEPHY_BIT_SET) && + (RemoteAsyncPause == TRUEPHY_BIT_SET)) { + pAdapter->FlowControl = pAdapter->RegistryFlowControl; + } else if ((RemotePause == TRUEPHY_BIT_SET) && + (RemoteAsyncPause == TRUEPHY_BIT_CLEAR)) { + if (pAdapter->RegistryFlowControl == Both) { + pAdapter->FlowControl = Both; + } else { + pAdapter->FlowControl = None; + } + } else if ((RemotePause == TRUEPHY_BIT_CLEAR) && + (RemoteAsyncPause == TRUEPHY_BIT_CLEAR)) { + pAdapter->FlowControl = None; + } else {/* if (RemotePause == TRUEPHY_CLEAR_BIT && + RemoteAsyncPause == TRUEPHY_SET_BIT) */ + if (pAdapter->RegistryFlowControl == Both) { + pAdapter->FlowControl = RxOnly; + } else { + pAdapter->FlowControl = None; + } + } + } +} + +/** + * UpdateMacStatHostCounters - Update the local copy of the statistics + * @pAdapter: pointer to the adapter structure + */ +void UpdateMacStatHostCounters(struct et131x_adapter *pAdapter) +{ + struct _ce_stats_t *stats = &pAdapter->Stats; + struct _MAC_STAT_t __iomem *pDevMacStat = + &pAdapter->CSRAddress->macStat; + + stats->collisions += readl(&pDevMacStat->TNcl); + stats->first_collision += readl(&pDevMacStat->TScl); + stats->tx_deferred += readl(&pDevMacStat->TDfr); + stats->excessive_collisions += readl(&pDevMacStat->TMcl); + stats->late_collisions += readl(&pDevMacStat->TLcl); + stats->tx_uflo += readl(&pDevMacStat->TUnd); + stats->max_pkt_error += readl(&pDevMacStat->TOvr); + + stats->alignment_err += readl(&pDevMacStat->RAln); + stats->crc_err += readl(&pDevMacStat->RCde); + stats->norcvbuf += readl(&pDevMacStat->RDrp); + stats->rx_ov_flow += readl(&pDevMacStat->ROvr); + stats->code_violations += readl(&pDevMacStat->RFcs); + stats->length_err += readl(&pDevMacStat->RFlr); + + stats->other_errors += readl(&pDevMacStat->RFrg); +} + +/** + * HandleMacStatInterrupt + * @pAdapter: pointer to the adapter structure + * + * One of the MACSTAT counters has wrapped. Update the local copy of + * the statistics held in the adapter structure, checking the "wrap" + * bit for each counter. + */ +void HandleMacStatInterrupt(struct et131x_adapter *pAdapter) +{ + MAC_STAT_REG_1_t Carry1; + MAC_STAT_REG_2_t Carry2; + + DBG_ENTER(et131x_dbginfo); + + /* Read the interrupt bits from the register(s). These are Clear On + * Write. + */ + Carry1.value = readl(&pAdapter->CSRAddress->macStat.Carry1.value); + Carry2.value = readl(&pAdapter->CSRAddress->macStat.Carry2.value); + + writel(Carry1.value, &pAdapter->CSRAddress->macStat.Carry1.value); + writel(Carry2.value, &pAdapter->CSRAddress->macStat.Carry2.value); + + /* We need to do update the host copy of all the MAC_STAT counters. + * For each counter, check it's overflow bit. If the overflow bit is + * set, then increment the host version of the count by one complete + * revolution of the counter. This routine is called when the counter + * block indicates that one of the counters has wrapped. + */ + if (Carry1.bits.rfcs) { + pAdapter->Stats.code_violations += COUNTER_WRAP_16_BIT; + } + if (Carry1.bits.raln) { + pAdapter->Stats.alignment_err += COUNTER_WRAP_12_BIT; + } + if (Carry1.bits.rflr) { + pAdapter->Stats.length_err += COUNTER_WRAP_16_BIT; + } + if (Carry1.bits.rfrg) { + pAdapter->Stats.other_errors += COUNTER_WRAP_16_BIT; + } + if (Carry1.bits.rcde) { + pAdapter->Stats.crc_err += COUNTER_WRAP_16_BIT; + } + if (Carry1.bits.rovr) { + pAdapter->Stats.rx_ov_flow += COUNTER_WRAP_16_BIT; + } + if (Carry1.bits.rdrp) { + pAdapter->Stats.norcvbuf += COUNTER_WRAP_16_BIT; + } + if (Carry2.bits.tovr) { + pAdapter->Stats.max_pkt_error += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tund) { + pAdapter->Stats.tx_uflo += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tscl) { + pAdapter->Stats.first_collision += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tdfr) { + pAdapter->Stats.tx_deferred += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tmcl) { + pAdapter->Stats.excessive_collisions += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tlcl) { + pAdapter->Stats.late_collisions += COUNTER_WRAP_12_BIT; + } + if (Carry2.bits.tncl) { + pAdapter->Stats.collisions += COUNTER_WRAP_12_BIT; + } + + DBG_LEAVE(et131x_dbginfo); +} + +void SetupDeviceForMulticast(struct et131x_adapter *pAdapter) +{ + struct _RXMAC_t __iomem *rxmac = &pAdapter->CSRAddress->rxmac; + uint32_t nIndex; + uint32_t result; + uint32_t hash1 = 0; + uint32_t hash2 = 0; + uint32_t hash3 = 0; + uint32_t hash4 = 0; + PM_CSR_t pm_csr; + + DBG_ENTER(et131x_dbginfo); + + /* If ET131X_PACKET_TYPE_MULTICAST is specified, then we provision + * the multi-cast LIST. If it is NOT specified, (and "ALL" is not + * specified) then we should pass NO multi-cast addresses to the + * driver. + */ + if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_MULTICAST) { + DBG_VERBOSE(et131x_dbginfo, + "MULTICAST flag is set, MCCount: %d\n", + pAdapter->MCAddressCount); + + /* Loop through our multicast array and set up the device */ + for (nIndex = 0; nIndex < pAdapter->MCAddressCount; nIndex++) { + DBG_VERBOSE(et131x_dbginfo, + "MCList[%d]: %02x:%02x:%02x:%02x:%02x:%02x\n", + nIndex, + pAdapter->MCList[nIndex][0], + pAdapter->MCList[nIndex][1], + pAdapter->MCList[nIndex][2], + pAdapter->MCList[nIndex][3], + pAdapter->MCList[nIndex][4], + pAdapter->MCList[nIndex][5]); + + result = ether_crc(6, pAdapter->MCList[nIndex]); + + result = (result & 0x3F800000) >> 23; + + if (result < 32) { + hash1 |= (1 << result); + } else if ((31 < result) && (result < 64)) { + result -= 32; + hash2 |= (1 << result); + } else if ((63 < result) && (result < 96)) { + result -= 64; + hash3 |= (1 << result); + } else { + result -= 96; + hash4 |= (1 << result); + } + } + } + + /* Write out the new hash to the device */ + pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value); + if (pm_csr.bits.pm_phy_sw_coma == 0) { + writel(hash1, &rxmac->multi_hash1); + writel(hash2, &rxmac->multi_hash2); + writel(hash3, &rxmac->multi_hash3); + writel(hash4, &rxmac->multi_hash4); + } + + DBG_LEAVE(et131x_dbginfo); +} + +void SetupDeviceForUnicast(struct et131x_adapter *pAdapter) +{ + struct _RXMAC_t __iomem *rxmac = &pAdapter->CSRAddress->rxmac; + RXMAC_UNI_PF_ADDR1_t uni_pf1; + RXMAC_UNI_PF_ADDR2_t uni_pf2; + RXMAC_UNI_PF_ADDR3_t uni_pf3; + PM_CSR_t pm_csr; + + DBG_ENTER(et131x_dbginfo); + + /* Set up unicast packet filter reg 3 to be the first two octets of + * the MAC address for both address + * + * Set up unicast packet filter reg 2 to be the octets 2 - 5 of the + * MAC address for second address + * + * Set up unicast packet filter reg 3 to be the octets 2 - 5 of the + * MAC address for first address + */ + uni_pf3.bits.addr1_1 = pAdapter->CurrentAddress[0]; + uni_pf3.bits.addr1_2 = pAdapter->CurrentAddress[1]; + uni_pf3.bits.addr2_1 = pAdapter->CurrentAddress[0]; + uni_pf3.bits.addr2_2 = pAdapter->CurrentAddress[1]; + + uni_pf2.bits.addr2_3 = pAdapter->CurrentAddress[2]; + uni_pf2.bits.addr2_4 = pAdapter->CurrentAddress[3]; + uni_pf2.bits.addr2_5 = pAdapter->CurrentAddress[4]; + uni_pf2.bits.addr2_6 = pAdapter->CurrentAddress[5]; + + uni_pf1.bits.addr1_3 = pAdapter->CurrentAddress[2]; + uni_pf1.bits.addr1_4 = pAdapter->CurrentAddress[3]; + uni_pf1.bits.addr1_5 = pAdapter->CurrentAddress[4]; + uni_pf1.bits.addr1_6 = pAdapter->CurrentAddress[5]; + + pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value); + if (pm_csr.bits.pm_phy_sw_coma == 0) { + writel(uni_pf1.value, &rxmac->uni_pf_addr1.value); + writel(uni_pf2.value, &rxmac->uni_pf_addr2.value); + writel(uni_pf3.value, &rxmac->uni_pf_addr3.value); + } + + DBG_LEAVE(et131x_dbginfo); +} diff --git a/drivers/staging/et131x/et1310_mac.h b/drivers/staging/et131x/et1310_mac.h new file mode 100644 index 000000000000..bd26cd351780 --- /dev/null +++ b/drivers/staging/et131x/et1310_mac.h @@ -0,0 +1,93 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_mac.h - Defines, structs, enums, prototypes, etc. pertaining to the + * MAC. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef _ET1310_MAC_H_ +#define _ET1310_MAC_H_ + + +#include "et1310_address_map.h" + + +#define COUNTER_WRAP_28_BIT 0x10000000 +#define COUNTER_WRAP_22_BIT 0x400000 +#define COUNTER_WRAP_16_BIT 0x10000 +#define COUNTER_WRAP_12_BIT 0x1000 + +#define COUNTER_MASK_28_BIT (COUNTER_WRAP_28_BIT - 1) +#define COUNTER_MASK_22_BIT (COUNTER_WRAP_22_BIT - 1) +#define COUNTER_MASK_16_BIT (COUNTER_WRAP_16_BIT - 1) +#define COUNTER_MASK_12_BIT (COUNTER_WRAP_12_BIT - 1) + +#define UPDATE_COUNTER(HostCnt,DevCnt) \ + HostCnt = HostCnt + DevCnt; + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +void ConfigMACRegs1(struct et131x_adapter *adapter); +void ConfigMACRegs2(struct et131x_adapter *adapter); +void ConfigRxMacRegs(struct et131x_adapter *adapter); +void ConfigTxMacRegs(struct et131x_adapter *adapter); +void ConfigMacStatRegs(struct et131x_adapter *adapter); +void ConfigFlowControl(struct et131x_adapter *adapter); +void UpdateMacStatHostCounters(struct et131x_adapter *adapter); +void HandleMacStatInterrupt(struct et131x_adapter *adapter); +void SetupDeviceForMulticast(struct et131x_adapter *adapter); +void SetupDeviceForUnicast(struct et131x_adapter *adapter); + +#endif /* _ET1310_MAC_H_ */ diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c new file mode 100644 index 000000000000..6c4fa54419ea --- /dev/null +++ b/drivers/staging/et131x/et1310_phy.c @@ -0,0 +1,1281 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_phy.c - Routines for configuring and accessing the PHY + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_netdev.h" +#include "et131x_initpci.h" + +#include "et1310_address_map.h" +#include "et1310_jagcore.h" +#include "et1310_tx.h" +#include "et1310_rx.h" +#include "et1310_mac.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/* Prototypes for functions with local scope */ +static int et131x_xcvr_init(struct et131x_adapter *adapter); + +/** + * PhyMiRead - Read from the PHY through the MII Interface on the MAC + * @adapter: pointer to our private adapter structure + * @xcvrAddr: the address of the transciever + * @xcvrReg: the register to read + * @value: pointer to a 16-bit value in which the value will be stored + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int PhyMiRead(struct et131x_adapter *adapter, uint8_t xcvrAddr, + uint8_t xcvrReg, uint16_t *value) +{ + struct _MAC_t __iomem *mac = &adapter->CSRAddress->mac; + int status = 0; + uint32_t delay; + MII_MGMT_ADDR_t miiAddr; + MII_MGMT_CMD_t miiCmd; + MII_MGMT_INDICATOR_t miiIndicator; + + /* Save a local copy of the registers we are dealing with so we can + * set them back + */ + miiAddr.value = readl(&mac->mii_mgmt_addr.value); + miiCmd.value = readl(&mac->mii_mgmt_cmd.value); + + /* Stop the current operation */ + writel(0, &mac->mii_mgmt_cmd.value); + + /* Set up the register we need to read from on the correct PHY */ + { + MII_MGMT_ADDR_t mii_mgmt_addr = { 0 }; + + mii_mgmt_addr.bits.phy_addr = xcvrAddr; + mii_mgmt_addr.bits.reg_addr = xcvrReg; + writel(mii_mgmt_addr.value, &mac->mii_mgmt_addr.value); + } + + /* Kick the read cycle off */ + delay = 0; + + writel(0x1, &mac->mii_mgmt_cmd.value); + + do { + udelay(50); + delay++; + miiIndicator.value = readl(&mac->mii_mgmt_indicator.value); + } while ((miiIndicator.bits.not_valid || miiIndicator.bits.busy) && + delay < 50); + + /* If we hit the max delay, we could not read the register */ + if (delay >= 50) { + DBG_WARNING(et131x_dbginfo, + "xcvrReg 0x%08x could not be read\n", xcvrReg); + DBG_WARNING(et131x_dbginfo, "status is 0x%08x\n", + miiIndicator.value); + + status = -EIO; + } + + /* If we hit here we were able to read the register and we need to + * return the value to the caller + */ + /* TODO: make this stuff a simple readw()?! */ + { + MII_MGMT_STAT_t mii_mgmt_stat; + + mii_mgmt_stat.value = readl(&mac->mii_mgmt_stat.value); + *value = (uint16_t) mii_mgmt_stat.bits.phy_stat; + } + + /* Stop the read operation */ + writel(0, &mac->mii_mgmt_cmd.value); + + DBG_VERBOSE(et131x_dbginfo, " xcvr_addr = 0x%02x, " + "xcvr_reg = 0x%02x, " + "value = 0x%04x.\n", xcvrAddr, xcvrReg, *value); + + /* set the registers we touched back to the state at which we entered + * this function + */ + writel(miiAddr.value, &mac->mii_mgmt_addr.value); + writel(miiCmd.value, &mac->mii_mgmt_cmd.value); + + return status; +} + +/** + * MiWrite - Write to a PHY register through the MII interface of the MAC + * @adapter: pointer to our private adapter structure + * @xcvrReg: the register to read + * @value: 16-bit value to write + * + * Return 0 on success, errno on failure (as defined in errno.h) + */ +int MiWrite(struct et131x_adapter *adapter, uint8_t xcvrReg, uint16_t value) +{ + struct _MAC_t __iomem *mac = &adapter->CSRAddress->mac; + int status = 0; + uint8_t xcvrAddr = adapter->Stats.xcvr_addr; + uint32_t delay; + MII_MGMT_ADDR_t miiAddr; + MII_MGMT_CMD_t miiCmd; + MII_MGMT_INDICATOR_t miiIndicator; + + /* Save a local copy of the registers we are dealing with so we can + * set them back + */ + miiAddr.value = readl(&mac->mii_mgmt_addr.value); + miiCmd.value = readl(&mac->mii_mgmt_cmd.value); + + /* Stop the current operation */ + writel(0, &mac->mii_mgmt_cmd.value); + + /* Set up the register we need to write to on the correct PHY */ + { + MII_MGMT_ADDR_t mii_mgmt_addr; + + mii_mgmt_addr.bits.phy_addr = xcvrAddr; + mii_mgmt_addr.bits.reg_addr = xcvrReg; + writel(mii_mgmt_addr.value, &mac->mii_mgmt_addr.value); + } + + /* Add the value to write to the registers to the mac */ + writel(value, &mac->mii_mgmt_ctrl.value); + delay = 0; + + do { + udelay(50); + delay++; + miiIndicator.value = readl(&mac->mii_mgmt_indicator.value); + } while (miiIndicator.bits.busy && delay < 100); + + /* If we hit the max delay, we could not write the register */ + if (delay == 100) { + uint16_t TempValue; + + DBG_WARNING(et131x_dbginfo, + "xcvrReg 0x%08x could not be written", xcvrReg); + DBG_WARNING(et131x_dbginfo, "status is 0x%08x\n", + miiIndicator.value); + DBG_WARNING(et131x_dbginfo, "command is 0x%08x\n", + readl(&mac->mii_mgmt_cmd.value)); + + MiRead(adapter, xcvrReg, &TempValue); + + status = -EIO; + } + + /* Stop the write operation */ + writel(0, &mac->mii_mgmt_cmd.value); + + /* set the registers we touched back to the state at which we entered + * this function + */ + writel(miiAddr.value, &mac->mii_mgmt_addr.value); + writel(miiCmd.value, &mac->mii_mgmt_cmd.value); + + DBG_VERBOSE(et131x_dbginfo, " xcvr_addr = 0x%02x, " + "xcvr_reg = 0x%02x, " + "value = 0x%04x.\n", xcvrAddr, xcvrReg, value); + + return status; +} + +/** + * et131x_xcvr_find - Find the PHY ID + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_xcvr_find(struct et131x_adapter *adapter) +{ + int status = -ENODEV; + uint8_t xcvr_addr; + MI_IDR1_t idr1; + MI_IDR2_t idr2; + uint32_t xcvr_id; + + DBG_ENTER(et131x_dbginfo); + + /* We need to get xcvr id and address we just get the first one */ + for (xcvr_addr = 0; xcvr_addr < 32; xcvr_addr++) { + /* Read the ID from the PHY */ + PhyMiRead(adapter, xcvr_addr, + (uint8_t) offsetof(MI_REGS_t, idr1), + &idr1.value); + PhyMiRead(adapter, xcvr_addr, + (uint8_t) offsetof(MI_REGS_t, idr2), + &idr2.value); + + xcvr_id = (uint32_t) ((idr1.value << 16) | idr2.value); + + if ((idr1.value != 0) && (idr1.value != 0xffff)) { + DBG_TRACE(et131x_dbginfo, + "Xcvr addr: 0x%02x\tXcvr_id: 0x%08x\n", + xcvr_addr, xcvr_id); + + adapter->Stats.xcvr_id = xcvr_id; + adapter->Stats.xcvr_addr = xcvr_addr; + + status = 0; + break; + } + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_setphy_normal - Set PHY for normal operation. + * @adapter: pointer to our private adapter structure + * + * Used by Power Management to force the PHY into 10 Base T half-duplex mode, + * when going to D3 in WOL mode. Also used during initialization to set the + * PHY for normal operation. + */ +int et131x_setphy_normal(struct et131x_adapter *adapter) +{ + int status; + + DBG_ENTER(et131x_dbginfo); + + /* Make sure the PHY is powered up */ + ET1310_PhyPowerDown(adapter, 0); + status = et131x_xcvr_init(adapter); + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_xcvr_init - Init the phy if we are setting it into force mode + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +static int et131x_xcvr_init(struct et131x_adapter *adapter) +{ + int status = 0; + MI_IMR_t imr; + MI_ISR_t isr; + MI_LCR2_t lcr2; + + DBG_ENTER(et131x_dbginfo); + + /* Zero out the adapter structure variable representing BMSR */ + adapter->Bmsr.value = 0; + + MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, isr), &isr.value); + + MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, imr), &imr.value); + + /* Set the link status interrupt only. Bad behavior when link status + * and auto neg are set, we run into a nested interrupt problem + */ + imr.bits.int_en = 0x1; + imr.bits.link_status = 0x1; + imr.bits.autoneg_status = 0x1; + + MiWrite(adapter, (uint8_t) offsetof(MI_REGS_t, imr), imr.value); + + /* Set the LED behavior such that LED 1 indicates speed (off = + * 10Mbits, blink = 100Mbits, on = 1000Mbits) and LED 2 indicates + * link and activity (on for link, blink off for activity). + * + * NOTE: Some customizations have been added here for specific + * vendors; The LED behavior is now determined by vendor data in the + * EEPROM. However, the above description is the default. + */ + if ((adapter->eepromData[1] & 0x4) == 0) { + MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, lcr2), + &lcr2.value); + if ((adapter->eepromData[1] & 0x8) == 0) + lcr2.bits.led_tx_rx = 0x3; + else + lcr2.bits.led_tx_rx = 0x4; + lcr2.bits.led_link = 0xa; + MiWrite(adapter, (uint8_t) offsetof(MI_REGS_t, lcr2), + lcr2.value); + } + + /* Determine if we need to go into a force mode and set it */ + if (adapter->AiForceSpeed == 0 && adapter->AiForceDpx == 0) { + if ((adapter->RegistryFlowControl == TxOnly) || + (adapter->RegistryFlowControl == Both)) { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_SET, 4, 11, NULL); + } else { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 11, NULL); + } + + if (adapter->RegistryFlowControl == Both) { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_SET, 4, 10, NULL); + } else { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 10, NULL); + } + + /* Set the phy to autonegotiation */ + ET1310_PhyAutoNeg(adapter, true); + + /* NOTE - Do we need this? */ + ET1310_PhyAccessMiBit(adapter, TRUEPHY_BIT_SET, 0, 9, NULL); + + DBG_LEAVE(et131x_dbginfo); + return status; + } else { + ET1310_PhyAutoNeg(adapter, false); + + /* Set to the correct force mode. */ + if (adapter->AiForceDpx != 1) { + if ((adapter->RegistryFlowControl == TxOnly) || + (adapter->RegistryFlowControl == Both)) { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_SET, 4, 11, + NULL); + } else { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 11, + NULL); + } + + if (adapter->RegistryFlowControl == Both) { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_SET, 4, 10, + NULL); + } else { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 10, + NULL); + } + } else { + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 10, NULL); + ET1310_PhyAccessMiBit(adapter, + TRUEPHY_BIT_CLEAR, 4, 11, NULL); + } + + switch (adapter->AiForceSpeed) { + case 10: + if (adapter->AiForceDpx == 1) { + TPAL_SetPhy10HalfDuplex(adapter); + } else if (adapter->AiForceDpx == 2) { + TPAL_SetPhy10FullDuplex(adapter); + } else { + TPAL_SetPhy10Force(adapter); + } + break; + case 100: + if (adapter->AiForceDpx == 1) { + TPAL_SetPhy100HalfDuplex(adapter); + } else if (adapter->AiForceDpx == 2) { + TPAL_SetPhy100FullDuplex(adapter); + } else { + TPAL_SetPhy100Force(adapter); + } + break; + case 1000: + TPAL_SetPhy1000FullDuplex(adapter); + break; + } + + DBG_LEAVE(et131x_dbginfo); + return status; + } +} + +void et131x_Mii_check(struct et131x_adapter *pAdapter, + MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints) +{ + uint8_t ucLinkStatus; + uint32_t uiAutoNegStatus; + uint32_t uiSpeed; + uint32_t uiDuplex; + uint32_t uiMdiMdix; + uint32_t uiMasterSlave; + uint32_t uiPolarity; + unsigned long lockflags; + + DBG_ENTER(et131x_dbginfo); + + if (bmsr_ints.bits.link_status) { + if (bmsr.bits.link_status) { + pAdapter->PoMgmt.TransPhyComaModeOnBoot = 20; + + /* Update our state variables and indicate the + * connected state + */ + spin_lock_irqsave(&pAdapter->Lock, lockflags); + + pAdapter->MediaState = NETIF_STATUS_MEDIA_CONNECT; + MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION); + + spin_unlock_irqrestore(&pAdapter->Lock, lockflags); + + /* Don't indicate state if we're in loopback mode */ + if (pAdapter->RegistryPhyLoopbk == false) { + netif_carrier_on(pAdapter->netdev); + } + } else { + DBG_WARNING(et131x_dbginfo, + "Link down cable problem\n"); + + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS) { + // NOTE - Is there a way to query this without TruePHY? + // && TRU_QueryCoreType(pAdapter->hTruePhy, 0) == EMI_TRUEPHY_A13O) { + uint16_t Register18; + + MiRead(pAdapter, 0x12, &Register18); + MiWrite(pAdapter, 0x12, Register18 | 0x4); + MiWrite(pAdapter, 0x10, Register18 | 0x8402); + MiWrite(pAdapter, 0x11, Register18 | 511); + MiWrite(pAdapter, 0x12, Register18); + } + + /* For the first N seconds of life, we are in "link + * detection" When we are in this state, we should + * only report "connected". When the LinkDetection + * Timer expires, we can report disconnected (handled + * in the LinkDetectionDPC). + */ + if ((MP_IS_FLAG_CLEAR + (pAdapter, fMP_ADAPTER_LINK_DETECTION)) + || (pAdapter->MediaState == + NETIF_STATUS_MEDIA_DISCONNECT)) { + spin_lock_irqsave(&pAdapter->Lock, lockflags); + pAdapter->MediaState = + NETIF_STATUS_MEDIA_DISCONNECT; + spin_unlock_irqrestore(&pAdapter->Lock, + lockflags); + + /* Only indicate state if we're in loopback + * mode + */ + if (pAdapter->RegistryPhyLoopbk == false) { + netif_carrier_off(pAdapter->netdev); + } + } + + pAdapter->uiLinkSpeed = 0; + pAdapter->uiDuplexMode = 0; + + /* Free the packets being actively sent & stopped */ + et131x_free_busy_send_packets(pAdapter); + + /* Re-initialize the send structures */ + et131x_init_send(pAdapter); + + /* Reset the RFD list and re-start RU */ + et131x_reset_recv(pAdapter); + + /* + * Bring the device back to the state it was during + * init prior to autonegotiation being complete. This + * way, when we get the auto-neg complete interrupt, + * we can complete init by calling ConfigMacREGS2. + */ + et131x_soft_reset(pAdapter); + + /* Setup ET1310 as per the documentation */ + et131x_adapter_setup(pAdapter); + + /* Setup the PHY into coma mode until the cable is + * plugged back in + */ + if (pAdapter->RegistryPhyComa == 1) { + EnablePhyComa(pAdapter); + } + } + } + + if (bmsr_ints.bits.auto_neg_complete || + ((pAdapter->AiForceDpx == 3) && (bmsr_ints.bits.link_status))) { + if (bmsr.bits.auto_neg_complete || (pAdapter->AiForceDpx == 3)) { + ET1310_PhyLinkStatus(pAdapter, + &ucLinkStatus, &uiAutoNegStatus, + &uiSpeed, &uiDuplex, &uiMdiMdix, + &uiMasterSlave, &uiPolarity); + + pAdapter->uiLinkSpeed = uiSpeed; + pAdapter->uiDuplexMode = uiDuplex; + + DBG_TRACE(et131x_dbginfo, + "pAdapter->uiLinkSpeed 0x%04x, pAdapter->uiDuplex 0x%08x\n", + pAdapter->uiLinkSpeed, + pAdapter->uiDuplexMode); + + pAdapter->PoMgmt.TransPhyComaModeOnBoot = 20; + + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS) { + // NOTE - Is there a way to query this without TruePHY? + // && TRU_QueryCoreType(pAdapter->hTruePhy, 0) == EMI_TRUEPHY_A13O) { + uint16_t Register18; + + MiRead(pAdapter, 0x12, &Register18); + MiWrite(pAdapter, 0x12, Register18 | 0x4); + MiWrite(pAdapter, 0x10, Register18 | 0x8402); + MiWrite(pAdapter, 0x11, Register18 | 511); + MiWrite(pAdapter, 0x12, Register18); + } + + ConfigFlowControl(pAdapter); + + if ((pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) && + (pAdapter->RegistryJumboPacket > 2048)) + { + ET1310_PhyAndOrReg(pAdapter, 0x16, 0xcfff, + 0x2000); + } + + SetRxDmaTimer(pAdapter); + ConfigMACRegs2(pAdapter); + } + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy10HalfDuplex - Force the phy into 10 Base T Half Duplex mode. + * @pAdapter: pointer to the adapter structure + * + * Also sets the MAC so it is syncd up properly + */ +void TPAL_SetPhy10HalfDuplex(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* First we need to turn off all other advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Set our advertise values accordingly */ + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_HALF); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy10FullDuplex - Force the phy into 10 Base T Full Duplex mode. + * @pAdapter: pointer to the adapter structure + * + * Also sets the MAC so it is syncd up properly + */ +void TPAL_SetPhy10FullDuplex(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* First we need to turn off all other advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Set our advertise values accordingly */ + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy10Force - Force Base-T FD mode WITHOUT using autonegotiation + * @pAdapter: pointer to the adapter structure + */ +void TPAL_SetPhy10Force(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* Disable autoneg */ + ET1310_PhyAutoNeg(pAdapter, false); + + /* Disable all advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Force 10 Mbps */ + ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_10MBPS); + + /* Force Full duplex */ + ET1310_PhyDuplexMode(pAdapter, TRUEPHY_DUPLEX_FULL); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy100HalfDuplex - Force 100 Base T Half Duplex mode. + * @pAdapter: pointer to the adapter structure + * + * Also sets the MAC so it is syncd up properly. + */ +void TPAL_SetPhy100HalfDuplex(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* first we need to turn off all other advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Set our advertise values accordingly */ + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_HALF); + + /* Set speed */ + ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_100MBPS); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy100FullDuplex - Force 100 Base T Full Duplex mode. + * @pAdapter: pointer to the adapter structure + * + * Also sets the MAC so it is syncd up properly + */ +void TPAL_SetPhy100FullDuplex(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* First we need to turn off all other advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Set our advertise values accordingly */ + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy100Force - Force 100 BaseT FD mode WITHOUT using autonegotiation + * @pAdapter: pointer to the adapter structure + */ +void TPAL_SetPhy100Force(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* Disable autoneg */ + ET1310_PhyAutoNeg(pAdapter, false); + + /* Disable all advertisement */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* Force 100 Mbps */ + ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_100MBPS); + + /* Force Full duplex */ + ET1310_PhyDuplexMode(pAdapter, TRUEPHY_DUPLEX_FULL); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhy1000FullDuplex - Force 1000 Base T Full Duplex mode + * @pAdapter: pointer to the adapter structure + * + * Also sets the MAC so it is syncd up properly. + */ +void TPAL_SetPhy1000FullDuplex(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* first we need to turn off all other advertisement */ + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + + /* set our advertise values accordingly */ + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL); + + /* power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * TPAL_SetPhyAutoNeg - Set phy to autonegotiation mode. + * @pAdapter: pointer to the adapter structure + */ +void TPAL_SetPhyAutoNeg(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* Turn on advertisement of all capabilities */ + ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_BOTH); + + ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_BOTH); + + if (pAdapter->DeviceID != ET131X_PCI_DEVICE_ID_FAST) { + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL); + } else { + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + } + + /* Make sure auto-neg is ON (it is disabled in FORCE modes) */ + ET1310_PhyAutoNeg(pAdapter, true); + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + DBG_LEAVE(et131x_dbginfo); +} + + +/* + * The routines which follow provide low-level access to the PHY, and are used + * primarily by the routines above (although there are a few places elsewhere + * in the driver where this level of access is required). + */ + +static const uint16_t ConfigPhy[25][2] = { + /* Reg Value Register */ + /* Addr */ + {0x880B, 0x0926}, /* AfeIfCreg4B1000Msbs */ + {0x880C, 0x0926}, /* AfeIfCreg4B100Msbs */ + {0x880D, 0x0926}, /* AfeIfCreg4B10Msbs */ + + {0x880E, 0xB4D3}, /* AfeIfCreg4B1000Lsbs */ + {0x880F, 0xB4D3}, /* AfeIfCreg4B100Lsbs */ + {0x8810, 0xB4D3}, /* AfeIfCreg4B10Lsbs */ + + {0x8805, 0xB03E}, /* AfeIfCreg3B1000Msbs */ + {0x8806, 0xB03E}, /* AfeIfCreg3B100Msbs */ + {0x8807, 0xFF00}, /* AfeIfCreg3B10Msbs */ + + {0x8808, 0xE090}, /* AfeIfCreg3B1000Lsbs */ + {0x8809, 0xE110}, /* AfeIfCreg3B100Lsbs */ + {0x880A, 0x0000}, /* AfeIfCreg3B10Lsbs */ + + {0x300D, 1}, /* DisableNorm */ + + {0x280C, 0x0180}, /* LinkHoldEnd */ + + {0x1C21, 0x0002}, /* AlphaM */ + + {0x3821, 6}, /* FfeLkgTx0 */ + {0x381D, 1}, /* FfeLkg1g4 */ + {0x381E, 1}, /* FfeLkg1g5 */ + {0x381F, 1}, /* FfeLkg1g6 */ + {0x3820, 1}, /* FfeLkg1g7 */ + + {0x8402, 0x01F0}, /* Btinact */ + {0x800E, 20}, /* LftrainTime */ + {0x800F, 24}, /* DvguardTime */ + {0x8010, 46}, /* IdlguardTime */ + + {0, 0} + +}; + +/* condensed version of the phy initialization routine */ +void ET1310_PhyInit(struct et131x_adapter *pAdapter) +{ + uint16_t usData, usIndex; + + if (pAdapter == NULL) { + return; + } + + // get the identity (again ?) + MiRead(pAdapter, PHY_ID_1, &usData); + MiRead(pAdapter, PHY_ID_2, &usData); + + // what does this do/achieve ? + MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData); // should read 0002 + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0006); + + // read modem register 0402, should I do something with the return data ? + MiWrite(pAdapter, PHY_INDEX_REG, 0x0402); + MiRead(pAdapter, PHY_DATA_REG, &usData); + + // what does this do/achieve ? + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002); + + // get the identity (again ?) + MiRead(pAdapter, PHY_ID_1, &usData); + MiRead(pAdapter, PHY_ID_2, &usData); + + // what does this achieve ? + MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData); // should read 0002 + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0006); + + // read modem register 0402, should I do something with the return data? + MiWrite(pAdapter, PHY_INDEX_REG, 0x0402); + MiRead(pAdapter, PHY_DATA_REG, &usData); + + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002); + + // what does this achieve (should return 0x1040) + MiRead(pAdapter, PHY_CONTROL, &usData); + MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData); // should read 0002 + MiWrite(pAdapter, PHY_CONTROL, 0x1840); + + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0007); + + // here the writing of the array starts.... + usIndex = 0; + while (ConfigPhy[usIndex][0] != 0x0000) { + // write value + MiWrite(pAdapter, PHY_INDEX_REG, ConfigPhy[usIndex][0]); + MiWrite(pAdapter, PHY_DATA_REG, ConfigPhy[usIndex][1]); + + // read it back + MiWrite(pAdapter, PHY_INDEX_REG, ConfigPhy[usIndex][0]); + MiRead(pAdapter, PHY_DATA_REG, &usData); + + // do a check on the value read back ? + usIndex++; + } + // here the writing of the array ends... + + MiRead(pAdapter, PHY_CONTROL, &usData); // 0x1840 + MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData); // should read 0007 + MiWrite(pAdapter, PHY_CONTROL, 0x1040); + MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002); +} + +void ET1310_PhyReset(struct et131x_adapter *pAdapter) +{ + MiWrite(pAdapter, PHY_CONTROL, 0x8000); +} + +void ET1310_PhyPowerDown(struct et131x_adapter *pAdapter, bool down) +{ + uint16_t usData; + + MiRead(pAdapter, PHY_CONTROL, &usData); + + if (down == false) { + // Power UP + usData &= ~0x0800; + MiWrite(pAdapter, PHY_CONTROL, usData); + } else { + // Power DOWN + usData |= 0x0800; + MiWrite(pAdapter, PHY_CONTROL, usData); + } +} + +void ET1310_PhyAutoNeg(struct et131x_adapter *pAdapter, bool enable) +{ + uint16_t usData; + + MiRead(pAdapter, PHY_CONTROL, &usData); + + if (enable == true) { + // Autonegotiation ON + usData |= 0x1000; + MiWrite(pAdapter, PHY_CONTROL, usData); + } else { + // Autonegotiation OFF + usData &= ~0x1000; + MiWrite(pAdapter, PHY_CONTROL, usData); + } +} + +void ET1310_PhyDuplexMode(struct et131x_adapter *pAdapter, uint16_t duplex) +{ + uint16_t usData; + + MiRead(pAdapter, PHY_CONTROL, &usData); + + if (duplex == TRUEPHY_DUPLEX_FULL) { + // Set Full Duplex + usData |= 0x100; + MiWrite(pAdapter, PHY_CONTROL, usData); + } else { + // Set Half Duplex + usData &= ~0x100; + MiWrite(pAdapter, PHY_CONTROL, usData); + } +} + +void ET1310_PhySpeedSelect(struct et131x_adapter *pAdapter, uint16_t speed) +{ + uint16_t usData; + + // Read the PHY control register + MiRead(pAdapter, PHY_CONTROL, &usData); + + // Clear all Speed settings (Bits 6, 13) + usData &= ~0x2040; + + // Reset the speed bits based on user selection + switch (speed) { + case TRUEPHY_SPEED_10MBPS: + // Bits already cleared above, do nothing + break; + + case TRUEPHY_SPEED_100MBPS: + // 100M == Set bit 13 + usData |= 0x2000; + break; + + case TRUEPHY_SPEED_1000MBPS: + default: + usData |= 0x0040; + break; + } + + // Write back the new speed + MiWrite(pAdapter, PHY_CONTROL, usData); +} + +void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *pAdapter, + uint16_t duplex) +{ + uint16_t usData; + + // Read the PHY 1000 Base-T Control Register + MiRead(pAdapter, PHY_1000_CONTROL, &usData); + + // Clear Bits 8,9 + usData &= ~0x0300; + + switch (duplex) { + case TRUEPHY_ADV_DUPLEX_NONE: + // Duplex already cleared, do nothing + break; + + case TRUEPHY_ADV_DUPLEX_FULL: + // Set Bit 9 + usData |= 0x0200; + break; + + case TRUEPHY_ADV_DUPLEX_HALF: + // Set Bit 8 + usData |= 0x0100; + break; + + case TRUEPHY_ADV_DUPLEX_BOTH: + default: + usData |= 0x0300; + break; + } + + // Write back advertisement + MiWrite(pAdapter, PHY_1000_CONTROL, usData); +} + +void ET1310_PhyAdvertise100BaseT(struct et131x_adapter *pAdapter, + uint16_t duplex) +{ + uint16_t usData; + + // Read the Autonegotiation Register (10/100) + MiRead(pAdapter, PHY_AUTO_ADVERTISEMENT, &usData); + + // Clear bits 7,8 + usData &= ~0x0180; + + switch (duplex) { + case TRUEPHY_ADV_DUPLEX_NONE: + // Duplex already cleared, do nothing + break; + + case TRUEPHY_ADV_DUPLEX_FULL: + // Set Bit 8 + usData |= 0x0100; + break; + + case TRUEPHY_ADV_DUPLEX_HALF: + // Set Bit 7 + usData |= 0x0080; + break; + + case TRUEPHY_ADV_DUPLEX_BOTH: + default: + // Set Bits 7,8 + usData |= 0x0180; + break; + } + + // Write back advertisement + MiWrite(pAdapter, PHY_AUTO_ADVERTISEMENT, usData); +} + +void ET1310_PhyAdvertise10BaseT(struct et131x_adapter *pAdapter, + uint16_t duplex) +{ + uint16_t usData; + + // Read the Autonegotiation Register (10/100) + MiRead(pAdapter, PHY_AUTO_ADVERTISEMENT, &usData); + + // Clear bits 5,6 + usData &= ~0x0060; + + switch (duplex) { + case TRUEPHY_ADV_DUPLEX_NONE: + // Duplex already cleared, do nothing + break; + + case TRUEPHY_ADV_DUPLEX_FULL: + // Set Bit 6 + usData |= 0x0040; + break; + + case TRUEPHY_ADV_DUPLEX_HALF: + // Set Bit 5 + usData |= 0x0020; + break; + + case TRUEPHY_ADV_DUPLEX_BOTH: + default: + // Set Bits 5,6 + usData |= 0x0060; + break; + } + + // Write back advertisement + MiWrite(pAdapter, PHY_AUTO_ADVERTISEMENT, usData); +} + +void ET1310_PhyLinkStatus(struct et131x_adapter *pAdapter, + uint8_t *ucLinkStatus, + uint32_t *uiAutoNeg, + uint32_t *uiLinkSpeed, + uint32_t *uiDuplexMode, + uint32_t *uiMdiMdix, + uint32_t *uiMasterSlave, uint32_t *uiPolarity) +{ + uint16_t usMiStatus = 0; + uint16_t us1000BaseT = 0; + uint16_t usVmiPhyStatus = 0; + uint16_t usControl = 0; + + MiRead(pAdapter, PHY_STATUS, &usMiStatus); + MiRead(pAdapter, PHY_1000_STATUS, &us1000BaseT); + MiRead(pAdapter, PHY_PHY_STATUS, &usVmiPhyStatus); + MiRead(pAdapter, PHY_CONTROL, &usControl); + + if (ucLinkStatus) { + *ucLinkStatus = + (unsigned char)((usVmiPhyStatus & 0x0040) ? 1 : 0); + } + + if (uiAutoNeg) { + *uiAutoNeg = + (usControl & 0x1000) ? ((usVmiPhyStatus & 0x0020) ? + TRUEPHY_ANEG_COMPLETE : + TRUEPHY_ANEG_NOT_COMPLETE) : + TRUEPHY_ANEG_DISABLED; + } + + if (uiLinkSpeed) { + *uiLinkSpeed = (usVmiPhyStatus & 0x0300) >> 8; + } + + if (uiDuplexMode) { + *uiDuplexMode = (usVmiPhyStatus & 0x0080) >> 7; + } + + if (uiMdiMdix) { + /* NOTE: Need to complete this */ + *uiMdiMdix = 0; + } + + if (uiMasterSlave) { + *uiMasterSlave = + (us1000BaseT & 0x4000) ? TRUEPHY_CFG_MASTER : + TRUEPHY_CFG_SLAVE; + } + + if (uiPolarity) { + *uiPolarity = + (usVmiPhyStatus & 0x0400) ? TRUEPHY_POLARITY_INVERTED : + TRUEPHY_POLARITY_NORMAL; + } +} + +void ET1310_PhyAndOrReg(struct et131x_adapter *pAdapter, + uint16_t regnum, uint16_t andMask, uint16_t orMask) +{ + uint16_t reg; + + // Read the requested register + MiRead(pAdapter, regnum, ®); + + // Apply the AND mask + reg &= andMask; + + // Apply the OR mask + reg |= orMask; + + // Write the value back to the register + MiWrite(pAdapter, regnum, reg); +} + +void ET1310_PhyAccessMiBit(struct et131x_adapter *pAdapter, uint16_t action, + uint16_t regnum, uint16_t bitnum, uint8_t *value) +{ + uint16_t reg; + uint16_t mask = 0; + + // Create a mask to isolate the requested bit + mask = 0x0001 << bitnum; + + // Read the requested register + MiRead(pAdapter, regnum, ®); + + switch (action) { + case TRUEPHY_BIT_READ: + if (value != NULL) { + *value = (reg & mask) >> bitnum; + } + break; + + case TRUEPHY_BIT_SET: + reg |= mask; + MiWrite(pAdapter, regnum, reg); + break; + + case TRUEPHY_BIT_CLEAR: + reg &= ~mask; + MiWrite(pAdapter, regnum, reg); + break; + + default: + break; + } +} diff --git a/drivers/staging/et131x/et1310_phy.h b/drivers/staging/et131x/et1310_phy.h new file mode 100644 index 000000000000..d624cbbadbd7 --- /dev/null +++ b/drivers/staging/et131x/et1310_phy.h @@ -0,0 +1,910 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_phy.h - Defines, structs, enums, prototypes, etc. pertaining to the + * PHY. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef _ET1310_PHY_H_ +#define _ET1310_PHY_H_ + +#include "et1310_address_map.h" + +#define TRUEPHY_SUCCESS 0 +#define TRUEPHY_FAILURE 1 +typedef void *TRUEPHY_HANDLE; +typedef void *TRUEPHY_PLATFORM_HANDLE; +typedef void *TRUEPHY_OSAL_HANDLE; + +/* MI Register Addresses */ +#define MI_CONTROL_REG 0 +#define MI_STATUS_REG 1 +#define MI_PHY_IDENTIFIER_1_REG 2 +#define MI_PHY_IDENTIFIER_2_REG 3 +#define MI_AUTONEG_ADVERTISEMENT_REG 4 +#define MI_AUTONEG_LINK_PARTNER_ABILITY_REG 5 +#define MI_AUTONEG_EXPANSION_REG 6 +#define MI_AUTONEG_NEXT_PAGE_TRANSMIT_REG 7 +#define MI_LINK_PARTNER_NEXT_PAGE_REG 8 +#define MI_1000BASET_CONTROL_REG 9 +#define MI_1000BASET_STATUS_REG 10 +#define MI_RESERVED11_REG 11 +#define MI_RESERVED12_REG 12 +#define MI_RESERVED13_REG 13 +#define MI_RESERVED14_REG 14 +#define MI_EXTENDED_STATUS_REG 15 + +/* VMI Register Addresses */ +#define VMI_RESERVED16_REG 16 +#define VMI_RESERVED17_REG 17 +#define VMI_RESERVED18_REG 18 +#define VMI_LOOPBACK_CONTROL_REG 19 +#define VMI_RESERVED20_REG 20 +#define VMI_MI_CONTROL_REG 21 +#define VMI_PHY_CONFIGURATION_REG 22 +#define VMI_PHY_CONTROL_REG 23 +#define VMI_INTERRUPT_MASK_REG 24 +#define VMI_INTERRUPT_STATUS_REG 25 +#define VMI_PHY_STATUS_REG 26 +#define VMI_LED_CONTROL_1_REG 27 +#define VMI_LED_CONTROL_2_REG 28 +#define VMI_RESERVED29_REG 29 +#define VMI_RESERVED30_REG 30 +#define VMI_RESERVED31_REG 31 + +/* PHY Register Mapping(MI) Management Interface Regs */ +typedef struct _MI_REGS_t { + u8 bmcr; // Basic mode control reg(Reg 0x00) + u8 bmsr; // Basic mode status reg(Reg 0x01) + u8 idr1; // Phy identifier reg 1(Reg 0x02) + u8 idr2; // Phy identifier reg 2(Reg 0x03) + u8 anar; // Auto-Negotiation advertisement(Reg 0x04) + u8 anlpar; // Auto-Negotiation link Partner Ability(Reg 0x05) + u8 aner; // Auto-Negotiation expansion reg(Reg 0x06) + u8 annptr; // Auto-Negotiation next page transmit reg(Reg 0x07) + u8 lpnpr; // link partner next page reg(Reg 0x08) + u8 gcr; // Gigabit basic mode control reg(Reg 0x09) + u8 gsr; // Gigabit basic mode status reg(Reg 0x0A) + u8 mi_res1[4]; // Future use by MI working group(Reg 0x0B - 0x0E) + u8 esr; // Extended status reg(Reg 0x0F) + u8 mi_res2[3]; // Future use by MI working group(Reg 0x10 - 0x12) + u8 loop_ctl; // Loopback Control Reg(Reg 0x13) + u8 mi_res3; // Future use by MI working group(Reg 0x14) + u8 mcr; // MI Control Reg(Reg 0x15) + u8 pcr; // Configuration Reg(Reg 0x16) + u8 phy_ctl; // PHY Control Reg(Reg 0x17) + u8 imr; // Interrupt Mask Reg(Reg 0x18) + u8 isr; // Interrupt Status Reg(Reg 0x19) + u8 psr; // PHY Status Reg(Reg 0x1A) + u8 lcr1; // LED Control 1 Reg(Reg 0x1B) + u8 lcr2; // LED Control 2 Reg(Reg 0x1C) + u8 mi_res4[3]; // Future use by MI working group(Reg 0x1D - 0x1F) +} MI_REGS_t, *PMI_REGS_t; + +/* MI Register 0: Basic mode control register */ +typedef union _MI_BMCR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 reset:1; // bit 15 + u16 loopback:1; // bit 14 + u16 speed_sel:1; // bit 13 + u16 enable_autoneg:1; // bit 12 + u16 power_down:1; // bit 11 + u16 isolate:1; // bit 10 + u16 restart_autoneg:1; // bit 9 + u16 duplex_mode:1; // bit 8 + u16 col_test:1; // bit 7 + u16 speed_1000_sel:1; // bit 6 + u16 res1:6; // bits 0-5 +#else + u16 res1:6; // bits 0-5 + u16 speed_1000_sel:1; // bit 6 + u16 col_test:1; // bit 7 + u16 duplex_mode:1; // bit 8 + u16 restart_autoneg:1; // bit 9 + u16 isolate:1; // bit 10 + u16 power_down:1; // bit 11 + u16 enable_autoneg:1; // bit 12 + u16 speed_sel:1; // bit 13 + u16 loopback:1; // bit 14 + u16 reset:1; // bit 15 +#endif + } bits; +} MI_BMCR_t, *PMI_BMCR_t; + +/* MI Register 1: Basic mode status register */ +typedef union _MI_BMSR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 link_100T4:1; // bit 15 + u16 link_100fdx:1; // bit 14 + u16 link_100hdx:1; // bit 13 + u16 link_10fdx:1; // bit 12 + u16 link_10hdx:1; // bit 11 + u16 link_100T2fdx:1; // bit 10 + u16 link_100T2hdx:1; // bit 9 + u16 extend_status:1; // bit 8 + u16 res1:1; // bit 7 + u16 preamble_supress:1; // bit 6 + u16 auto_neg_complete:1; // bit 5 + u16 remote_fault:1; // bit 4 + u16 auto_neg_able:1; // bit 3 + u16 link_status:1; // bit 2 + u16 jabber_detect:1; // bit 1 + u16 ext_cap:1; // bit 0 +#else + u16 ext_cap:1; // bit 0 + u16 jabber_detect:1; // bit 1 + u16 link_status:1; // bit 2 + u16 auto_neg_able:1; // bit 3 + u16 remote_fault:1; // bit 4 + u16 auto_neg_complete:1; // bit 5 + u16 preamble_supress:1; // bit 6 + u16 res1:1; // bit 7 + u16 extend_status:1; // bit 8 + u16 link_100T2hdx:1; // bit 9 + u16 link_100T2fdx:1; // bit 10 + u16 link_10hdx:1; // bit 11 + u16 link_10fdx:1; // bit 12 + u16 link_100hdx:1; // bit 13 + u16 link_100fdx:1; // bit 14 + u16 link_100T4:1; // bit 15 +#endif + } bits; +} MI_BMSR_t, *PMI_BMSR_t; + +/* MI Register 2: Physical Identifier 1 */ +typedef union _MI_IDR1_t { + u16 value; + struct { + u16 ieee_address:16; // 0x0282 default(bits 0-15) + } bits; +} MI_IDR1_t, *PMI_IDR1_t; + +/* MI Register 3: Physical Identifier 2 */ +typedef union _MI_IDR2_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 ieee_address:6; // 111100 default(bits 10-15) + u16 model_no:6; // 000001 default(bits 4-9) + u16 rev_no:4; // 0010 default(bits 0-3) +#else + u16 rev_no:4; // 0010 default(bits 0-3) + u16 model_no:6; // 000001 default(bits 4-9) + u16 ieee_address:6; // 111100 default(bits 10-15) +#endif + } bits; +} MI_IDR2_t, *PMI_IDR2_t; + +/* MI Register 4: Auto-negotiation advertisement register */ +typedef union _MI_ANAR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 np_indication:1; // bit 15 + u16 res2:1; // bit 14 + u16 remote_fault:1; // bit 13 + u16 res1:1; // bit 12 + u16 cap_asmpause:1; // bit 11 + u16 cap_pause:1; // bit 10 + u16 cap_100T4:1; // bit 9 + u16 cap_100fdx:1; // bit 8 + u16 cap_100hdx:1; // bit 7 + u16 cap_10fdx:1; // bit 6 + u16 cap_10hdx:1; // bit 5 + u16 selector:5; // bits 0-4 +#else + u16 selector:5; // bits 0-4 + u16 cap_10hdx:1; // bit 5 + u16 cap_10fdx:1; // bit 6 + u16 cap_100hdx:1; // bit 7 + u16 cap_100fdx:1; // bit 8 + u16 cap_100T4:1; // bit 9 + u16 cap_pause:1; // bit 10 + u16 cap_asmpause:1; // bit 11 + u16 res1:1; // bit 12 + u16 remote_fault:1; // bit 13 + u16 res2:1; // bit 14 + u16 np_indication:1; // bit 15 +#endif + } bits; +} MI_ANAR_t, *PMI_ANAR_t; + +/* MI Register 5: Auto-negotiation link partner advertisement register */ +typedef struct _MI_ANLPAR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 np_indication:1; // bit 15 + u16 acknowledge:1; // bit 14 + u16 remote_fault:1; // bit 13 + u16 res1:1; // bit 12 + u16 cap_asmpause:1; // bit 11 + u16 cap_pause:1; // bit 10 + u16 cap_100T4:1; // bit 9 + u16 cap_100fdx:1; // bit 8 + u16 cap_100hdx:1; // bit 7 + u16 cap_10fdx:1; // bit 6 + u16 cap_10hdx:1; // bit 5 + u16 selector:5; // bits 0-4 +#else + u16 selector:5; // bits 0-4 + u16 cap_10hdx:1; // bit 5 + u16 cap_10fdx:1; // bit 6 + u16 cap_100hdx:1; // bit 7 + u16 cap_100fdx:1; // bit 8 + u16 cap_100T4:1; // bit 9 + u16 cap_pause:1; // bit 10 + u16 cap_asmpause:1; // bit 11 + u16 res1:1; // bit 12 + u16 remote_fault:1; // bit 13 + u16 acknowledge:1; // bit 14 + u16 np_indication:1; // bit 15 +#endif + } bits; +} MI_ANLPAR_t, *PMI_ANLPAR_t; + +/* MI Register 6: Auto-negotiation expansion register */ +typedef union _MI_ANER_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res:11; // bits 5-15 + u16 pdf:1; // bit 4 + u16 lp_np_able:1; // bit 3 + u16 np_able:1; // bit 2 + u16 page_rx:1; // bit 1 + u16 lp_an_able:1; // bit 0 +#else + u16 lp_an_able:1; // bit 0 + u16 page_rx:1; // bit 1 + u16 np_able:1; // bit 2 + u16 lp_np_able:1; // bit 3 + u16 pdf:1; // bit 4 + u16 res:11; // bits 5-15 +#endif + } bits; +} MI_ANER_t, *PMI_ANER_t; + +/* MI Register 7: Auto-negotiation next page transmit reg(0x07) */ +typedef union _MI_ANNPTR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 np:1; // bit 15 + u16 res1:1; // bit 14 + u16 msg_page:1; // bit 13 + u16 ack2:1; // bit 12 + u16 toggle:1; // bit 11 + u16 msg:11; // bits 0-10 +#else + u16 msg:11; // bits 0-10 + u16 toggle:1; // bit 11 + u16 ack2:1; // bit 12 + u16 msg_page:1; // bit 13 + u16 res1:1; // bit 14 + u16 np:1; // bit 15 +#endif + } bits; +} MI_ANNPTR_t, *PMI_ANNPTR_t; + +/* MI Register 8: Link Partner Next Page Reg(0x08) */ +typedef union _MI_LPNPR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 np:1; // bit 15 + u16 ack:1; // bit 14 + u16 msg_page:1; // bit 13 + u16 ack2:1; // bit 12 + u16 toggle:1; // bit 11 + u16 msg:11; // bits 0-10 +#else + u16 msg:11; // bits 0-10 + u16 toggle:1; // bit 11 + u16 ack2:1; // bit 12 + u16 msg_page:1; // bit 13 + u16 ack:1; // bit 14 + u16 np:1; // bit 15 +#endif + } bits; +} MI_LPNPR_t, *PMI_LPNPR_t; + +/* MI Register 9: 1000BaseT Control Reg(0x09) */ +typedef union _MI_GCR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 test_mode:3; // bits 13-15 + u16 ms_config_en:1; // bit 12 + u16 ms_value:1; // bit 11 + u16 port_type:1; // bit 10 + u16 link_1000fdx:1; // bit 9 + u16 link_1000hdx:1; // bit 8 + u16 res:8; // bit 0-7 +#else + u16 res:8; // bit 0-7 + u16 link_1000hdx:1; // bit 8 + u16 link_1000fdx:1; // bit 9 + u16 port_type:1; // bit 10 + u16 ms_value:1; // bit 11 + u16 ms_config_en:1; // bit 12 + u16 test_mode:3; // bits 13-15 +#endif + } bits; +} MI_GCR_t, *PMI_GCR_t; + +/* MI Register 10: 1000BaseT Status Reg(0x0A) */ +typedef union _MI_GSR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 ms_config_fault:1; // bit 15 + u16 ms_resolve:1; // bit 14 + u16 local_rx_status:1; // bit 13 + u16 remote_rx_status:1; // bit 12 + u16 link_1000fdx:1; // bit 11 + u16 link_1000hdx:1; // bit 10 + u16 res:2; // bits 8-9 + u16 idle_err_cnt:8; // bits 0-7 +#else + u16 idle_err_cnt:8; // bits 0-7 + u16 res:2; // bits 8-9 + u16 link_1000hdx:1; // bit 10 + u16 link_1000fdx:1; // bit 11 + u16 remote_rx_status:1; // bit 12 + u16 local_rx_status:1; // bit 13 + u16 ms_resolve:1; // bit 14 + u16 ms_config_fault:1; // bit 15 +#endif + } bits; +} MI_GSR_t, *PMI_GSR_t; + +/* MI Register 11 - 14: Reserved Regs(0x0B - 0x0E) */ +typedef union _MI_RES_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res15:1; // bit 15 + u16 res14:1; // bit 14 + u16 res13:1; // bit 13 + u16 res12:1; // bit 12 + u16 res11:1; // bit 11 + u16 res10:1; // bit 10 + u16 res9:1; // bit 9 + u16 res8:1; // bit 8 + u16 res7:1; // bit 7 + u16 res6:1; // bit 6 + u16 res5:1; // bit 5 + u16 res4:1; // bit 4 + u16 res3:1; // bit 3 + u16 res2:1; // bit 2 + u16 res1:1; // bit 1 + u16 res0:1; // bit 0 +#else + u16 res0:1; // bit 0 + u16 res1:1; // bit 1 + u16 res2:1; // bit 2 + u16 res3:1; // bit 3 + u16 res4:1; // bit 4 + u16 res5:1; // bit 5 + u16 res6:1; // bit 6 + u16 res7:1; // bit 7 + u16 res8:1; // bit 8 + u16 res9:1; // bit 9 + u16 res10:1; // bit 10 + u16 res11:1; // bit 11 + u16 res12:1; // bit 12 + u16 res13:1; // bit 13 + u16 res14:1; // bit 14 + u16 res15:1; // bit 15 +#endif + } bits; +} MI_RES_t, *PMI_RES_t; + +/* MI Register 15: Extended status Reg(0x0F) */ +typedef union _MI_ESR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 link_1000Xfdx:1; // bit 15 + u16 link_1000Xhdx:1; // bit 14 + u16 link_1000fdx:1; // bit 13 + u16 link_1000hdx:1; // bit 12 + u16 res:12; // bit 0-11 +#else + u16 res:12; // bit 0-11 + u16 link_1000hdx:1; // bit 12 + u16 link_1000fdx:1; // bit 13 + u16 link_1000Xhdx:1; // bit 14 + u16 link_1000Xfdx:1; // bit 15 +#endif + } bits; +} MI_ESR_t, *PMI_ESR_t; + +/* MI Register 16 - 18: Reserved Reg(0x10-0x12) */ + +/* MI Register 19: Loopback Control Reg(0x13) */ +typedef union _MI_LCR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 mii_en:1; // bit 15 + u16 pcs_en:1; // bit 14 + u16 pmd_en:1; // bit 13 + u16 all_digital_en:1; // bit 12 + u16 replica_en:1; // bit 11 + u16 line_driver_en:1; // bit 10 + u16 res:10; // bit 0-9 +#else + u16 res:10; // bit 0-9 + u16 line_driver_en:1; // bit 10 + u16 replica_en:1; // bit 11 + u16 all_digital_en:1; // bit 12 + u16 pmd_en:1; // bit 13 + u16 pcs_en:1; // bit 14 + u16 mii_en:1; // bit 15 +#endif + } bits; +} MI_LCR_t, *PMI_LCR_t; + +/* MI Register 20: Reserved Reg(0x14) */ + +/* MI Register 21: Management Interface Control Reg(0x15) */ +typedef union _MI_MICR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:5; // bits 11-15 + u16 mi_error_count:7; // bits 4-10 + u16 res2:1; // bit 3 + u16 ignore_10g_fr:1; // bit 2 + u16 res3:1; // bit 1 + u16 preamble_supress_en:1; // bit 0 +#else + u16 preamble_supress_en:1; // bit 0 + u16 res3:1; // bit 1 + u16 ignore_10g_fr:1; // bit 2 + u16 res2:1; // bit 3 + u16 mi_error_count:7; // bits 4-10 + u16 res1:5; // bits 11-15 +#endif + } bits; +} MI_MICR_t, *PMI_MICR_t; + +/* MI Register 22: PHY Configuration Reg(0x16) */ +typedef union _MI_PHY_CONFIG_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 crs_tx_en:1; // bit 15 + u16 res1:1; // bit 14 + u16 tx_fifo_depth:2; // bits 12-13 + u16 speed_downshift:2; // bits 10-11 + u16 pbi_detect:1; // bit 9 + u16 tbi_rate:1; // bit 8 + u16 alternate_np:1; // bit 7 + u16 group_mdio_en:1; // bit 6 + u16 tx_clock_en:1; // bit 5 + u16 sys_clock_en:1; // bit 4 + u16 res2:1; // bit 3 + u16 mac_if_mode:3; // bits 0-2 +#else + u16 mac_if_mode:3; // bits 0-2 + u16 res2:1; // bit 3 + u16 sys_clock_en:1; // bit 4 + u16 tx_clock_en:1; // bit 5 + u16 group_mdio_en:1; // bit 6 + u16 alternate_np:1; // bit 7 + u16 tbi_rate:1; // bit 8 + u16 pbi_detect:1; // bit 9 + u16 speed_downshift:2; // bits 10-11 + u16 tx_fifo_depth:2; // bits 12-13 + u16 res1:1; // bit 14 + u16 crs_tx_en:1; // bit 15 +#endif + } bits; +} MI_PHY_CONFIG_t, *PMI_PHY_CONFIG_t; + +/* MI Register 23: PHY CONTROL Reg(0x17) */ +typedef union _MI_PHY_CONTROL_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:1; // bit 15 + u16 tdr_en:1; // bit 14 + u16 res2:1; // bit 13 + u16 downshift_attempts:2; // bits 11-12 + u16 res3:5; // bit 6-10 + u16 jabber_10baseT:1; // bit 5 + u16 sqe_10baseT:1; // bit 4 + u16 tp_loopback_10baseT:1; // bit 3 + u16 preamble_gen_en:1; // bit 2 + u16 res4:1; // bit 1 + u16 force_int:1; // bit 0 +#else + u16 force_int:1; // bit 0 + u16 res4:1; // bit 1 + u16 preamble_gen_en:1; // bit 2 + u16 tp_loopback_10baseT:1; // bit 3 + u16 sqe_10baseT:1; // bit 4 + u16 jabber_10baseT:1; // bit 5 + u16 res3:5; // bit 6-10 + u16 downshift_attempts:2; // bits 11-12 + u16 res2:1; // bit 13 + u16 tdr_en:1; // bit 14 + u16 res1:1; // bit 15 +#endif + } bits; +} MI_PHY_CONTROL_t, *PMI_PHY_CONTROL_t; + +/* MI Register 24: Interrupt Mask Reg(0x18) */ +typedef union _MI_IMR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:6; // bits 10-15 + u16 mdio_sync_lost:1; // bit 9 + u16 autoneg_status:1; // bit 8 + u16 hi_bit_err:1; // bit 7 + u16 np_rx:1; // bit 6 + u16 err_counter_full:1; // bit 5 + u16 fifo_over_underflow:1; // bit 4 + u16 rx_status:1; // bit 3 + u16 link_status:1; // bit 2 + u16 automatic_speed:1; // bit 1 + u16 int_en:1; // bit 0 +#else + u16 int_en:1; // bit 0 + u16 automatic_speed:1; // bit 1 + u16 link_status:1; // bit 2 + u16 rx_status:1; // bit 3 + u16 fifo_over_underflow:1; // bit 4 + u16 err_counter_full:1; // bit 5 + u16 np_rx:1; // bit 6 + u16 hi_bit_err:1; // bit 7 + u16 autoneg_status:1; // bit 8 + u16 mdio_sync_lost:1; // bit 9 + u16 res1:6; // bits 10-15 +#endif + } bits; +} MI_IMR_t, *PMI_IMR_t; + +/* MI Register 25: Interrupt Status Reg(0x19) */ +typedef union _MI_ISR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:6; // bits 10-15 + u16 mdio_sync_lost:1; // bit 9 + u16 autoneg_status:1; // bit 8 + u16 hi_bit_err:1; // bit 7 + u16 np_rx:1; // bit 6 + u16 err_counter_full:1; // bit 5 + u16 fifo_over_underflow:1; // bit 4 + u16 rx_status:1; // bit 3 + u16 link_status:1; // bit 2 + u16 automatic_speed:1; // bit 1 + u16 int_en:1; // bit 0 +#else + u16 int_en:1; // bit 0 + u16 automatic_speed:1; // bit 1 + u16 link_status:1; // bit 2 + u16 rx_status:1; // bit 3 + u16 fifo_over_underflow:1; // bit 4 + u16 err_counter_full:1; // bit 5 + u16 np_rx:1; // bit 6 + u16 hi_bit_err:1; // bit 7 + u16 autoneg_status:1; // bit 8 + u16 mdio_sync_lost:1; // bit 9 + u16 res1:6; // bits 10-15 +#endif + } bits; +} MI_ISR_t, *PMI_ISR_t; + +/* MI Register 26: PHY Status Reg(0x1A) */ +typedef union _MI_PSR_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:1; // bit 15 + u16 autoneg_fault:2; // bit 13-14 + u16 autoneg_status:1; // bit 12 + u16 mdi_x_status:1; // bit 11 + u16 polarity_status:1; // bit 10 + u16 speed_status:2; // bits 8-9 + u16 duplex_status:1; // bit 7 + u16 link_status:1; // bit 6 + u16 tx_status:1; // bit 5 + u16 rx_status:1; // bit 4 + u16 collision_status:1; // bit 3 + u16 autoneg_en:1; // bit 2 + u16 pause_en:1; // bit 1 + u16 asymmetric_dir:1; // bit 0 +#else + u16 asymmetric_dir:1; // bit 0 + u16 pause_en:1; // bit 1 + u16 autoneg_en:1; // bit 2 + u16 collision_status:1; // bit 3 + u16 rx_status:1; // bit 4 + u16 tx_status:1; // bit 5 + u16 link_status:1; // bit 6 + u16 duplex_status:1; // bit 7 + u16 speed_status:2; // bits 8-9 + u16 polarity_status:1; // bit 10 + u16 mdi_x_status:1; // bit 11 + u16 autoneg_status:1; // bit 12 + u16 autoneg_fault:2; // bit 13-14 + u16 res1:1; // bit 15 +#endif + } bits; +} MI_PSR_t, *PMI_PSR_t; + +/* MI Register 27: LED Control Reg 1(0x1B) */ +typedef union _MI_LCR1_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 res1:2; // bits 14-15 + u16 led_dup_indicate:2; // bits 12-13 + u16 led_10baseT:2; // bits 10-11 + u16 led_collision:2; // bits 8-9 + u16 res2:2; // bits 6-7 + u16 res3:2; // bits 4-5 + u16 pulse_dur:2; // bits 2-3 + u16 pulse_stretch1:1; // bit 1 + u16 pulse_stretch0:1; // bit 0 +#else + u16 pulse_stretch0:1; // bit 0 + u16 pulse_stretch1:1; // bit 1 + u16 pulse_dur:2; // bits 2-3 + u16 res3:2; // bits 4-5 + u16 res2:2; // bits 6-7 + u16 led_collision:2; // bits 8-9 + u16 led_10baseT:2; // bits 10-11 + u16 led_dup_indicate:2; // bits 12-13 + u16 res1:2; // bits 14-15 +#endif + } bits; +} MI_LCR1_t, *PMI_LCR1_t; + +/* MI Register 28: LED Control Reg 2(0x1C) */ +typedef union _MI_LCR2_t { + u16 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u16 led_link:4; // bits 12-15 + u16 led_tx_rx:4; // bits 8-11 + u16 led_100BaseTX:4; // bits 4-7 + u16 led_1000BaseT:4; // bits 0-3 +#else + u16 led_1000BaseT:4; // bits 0-3 + u16 led_100BaseTX:4; // bits 4-7 + u16 led_tx_rx:4; // bits 8-11 + u16 led_link:4; // bits 12-15 +#endif + } bits; +} MI_LCR2_t, *PMI_LCR2_t; + +/* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */ + +/* TruePHY headers */ +typedef struct _TRUEPHY_ACCESS_MI_REGS_ { + TRUEPHY_HANDLE hTruePhy; + int32_t nPhyId; + u8 bReadWrite; + u8 *pbyRegs; + u8 *pwData; + int32_t nRegCount; +} TRUEPHY_ACCESS_MI_REGS, *PTRUEPHY_ACCESS_MI_REGS; + +/* TruePHY headers */ +typedef struct _TAG_TPAL_ACCESS_MI_REGS_ { + u32 nPhyId; + u8 bReadWrite; + u32 nRegCount; + u16 Data[4096]; + u8 Regs[4096]; +} TPAL_ACCESS_MI_REGS, *PTPAL_ACCESS_MI_REGS; + + +typedef TRUEPHY_HANDLE TPAL_HANDLE; + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +/* OS Specific Functions*/ +void TPAL_SetPhy10HalfDuplex(struct et131x_adapter *adapter); +void TPAL_SetPhy10FullDuplex(struct et131x_adapter *adapter); +void TPAL_SetPhy10Force(struct et131x_adapter *pAdapter); +void TPAL_SetPhy100HalfDuplex(struct et131x_adapter *adapter); +void TPAL_SetPhy100FullDuplex(struct et131x_adapter *adapter); +void TPAL_SetPhy100Force(struct et131x_adapter *pAdapter); +void TPAL_SetPhy1000FullDuplex(struct et131x_adapter *adapter); +void TPAL_SetPhyAutoNeg(struct et131x_adapter *adapter); + +/* Prototypes for ET1310_phy.c */ +int et131x_xcvr_find(struct et131x_adapter *adapter); +int et131x_setphy_normal(struct et131x_adapter *adapter); +int32_t PhyMiRead(struct et131x_adapter *adapter, + u8 xcvrAddr, u8 xcvrReg, u16 *value); + +/* static inline function does not work because et131x_adapter is not always + * defined + */ +#define MiRead(adapter, xcvrReg, value) \ + PhyMiRead((adapter), (adapter)->Stats.xcvr_addr, (xcvrReg), (value)) + +int32_t MiWrite(struct et131x_adapter *adapter, + u8 xcvReg, u16 value); +void et131x_Mii_check(struct et131x_adapter *pAdapter, + MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints); + +/* This last is not strictly required (the driver could call the TPAL + * version instead), but this sets the adapter up correctly, and calls the + * access routine indirectly. This protects the driver from changes in TPAL. + */ +void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter); + +/* Defines for PHY access routines */ + +// Define bit operation flags +#define TRUEPHY_BIT_CLEAR 0 +#define TRUEPHY_BIT_SET 1 +#define TRUEPHY_BIT_READ 2 + +// Define read/write operation flags +#ifndef TRUEPHY_READ +#define TRUEPHY_READ 0 +#define TRUEPHY_WRITE 1 +#define TRUEPHY_MASK 2 +#endif + +// Define speeds +#define TRUEPHY_SPEED_10MBPS 0 +#define TRUEPHY_SPEED_100MBPS 1 +#define TRUEPHY_SPEED_1000MBPS 2 + +// Define duplex modes +#define TRUEPHY_DUPLEX_HALF 0 +#define TRUEPHY_DUPLEX_FULL 1 + +// Define master/slave configuration values +#define TRUEPHY_CFG_SLAVE 0 +#define TRUEPHY_CFG_MASTER 1 + +// Define MDI/MDI-X settings +#define TRUEPHY_MDI 0 +#define TRUEPHY_MDIX 1 +#define TRUEPHY_AUTO_MDI_MDIX 2 + +// Define 10Base-T link polarities +#define TRUEPHY_POLARITY_NORMAL 0 +#define TRUEPHY_POLARITY_INVERTED 1 + +// Define auto-negotiation results +#define TRUEPHY_ANEG_NOT_COMPLETE 0 +#define TRUEPHY_ANEG_COMPLETE 1 +#define TRUEPHY_ANEG_DISABLED 2 + +/* Define duplex advertisment flags */ +#define TRUEPHY_ADV_DUPLEX_NONE 0x00 +#define TRUEPHY_ADV_DUPLEX_FULL 0x01 +#define TRUEPHY_ADV_DUPLEX_HALF 0x02 +#define TRUEPHY_ADV_DUPLEX_BOTH \ + (TRUEPHY_ADV_DUPLEX_FULL | TRUEPHY_ADV_DUPLEX_HALF) + +#define PHY_CONTROL 0x00 //#define TRU_MI_CONTROL_REGISTER 0 +#define PHY_STATUS 0x01 //#define TRU_MI_STATUS_REGISTER 1 +#define PHY_ID_1 0x02 //#define TRU_MI_PHY_IDENTIFIER_1_REGISTER 2 +#define PHY_ID_2 0x03 //#define TRU_MI_PHY_IDENTIFIER_2_REGISTER 3 +#define PHY_AUTO_ADVERTISEMENT 0x04 //#define TRU_MI_ADVERTISEMENT_REGISTER 4 +#define PHY_AUTO_LINK_PARTNER 0x05 //#define TRU_MI_LINK_PARTNER_ABILITY_REGISTER 5 +#define PHY_AUTO_EXPANSION 0x06 //#define TRU_MI_EXPANSION_REGISTER 6 +#define PHY_AUTO_NEXT_PAGE_TX 0x07 //#define TRU_MI_NEXT_PAGE_TRANSMIT_REGISTER 7 +#define PHY_LINK_PARTNER_NEXT_PAGE 0x08 //#define TRU_MI_LINK_PARTNER_NEXT_PAGE_REGISTER 8 +#define PHY_1000_CONTROL 0x09 //#define TRU_MI_1000BASET_CONTROL_REGISTER 9 +#define PHY_1000_STATUS 0x0A //#define TRU_MI_1000BASET_STATUS_REGISTER 10 + +#define PHY_EXTENDED_STATUS 0x0F //#define TRU_MI_EXTENDED_STATUS_REGISTER 15 + +// some defines for modem registers that seem to be 'reserved' +#define PHY_INDEX_REG 0x10 +#define PHY_DATA_REG 0x11 + +#define PHY_MPHY_CONTROL_REG 0x12 //#define TRU_VMI_MPHY_CONTROL_REGISTER 18 + +#define PHY_LOOPBACK_CONTROL 0x13 //#define TRU_VMI_LOOPBACK_CONTROL_1_REGISTER 19 + //#define TRU_VMI_LOOPBACK_CONTROL_2_REGISTER 20 +#define PHY_REGISTER_MGMT_CONTROL 0x15 //#define TRU_VMI_MI_SEQ_CONTROL_REGISTER 21 +#define PHY_CONFIG 0x16 //#define TRU_VMI_CONFIGURATION_REGISTER 22 +#define PHY_PHY_CONTROL 0x17 //#define TRU_VMI_PHY_CONTROL_REGISTER 23 +#define PHY_INTERRUPT_MASK 0x18 //#define TRU_VMI_INTERRUPT_MASK_REGISTER 24 +#define PHY_INTERRUPT_STATUS 0x19 //#define TRU_VMI_INTERRUPT_STATUS_REGISTER 25 +#define PHY_PHY_STATUS 0x1A //#define TRU_VMI_PHY_STATUS_REGISTER 26 +#define PHY_LED_1 0x1B //#define TRU_VMI_LED_CONTROL_1_REGISTER 27 +#define PHY_LED_2 0x1C //#define TRU_VMI_LED_CONTROL_2_REGISTER 28 + //#define TRU_VMI_LINK_CONTROL_REGISTER 29 + //#define TRU_VMI_TIMING_CONTROL_REGISTER + +/* Prototypes for PHY access routines */ +void ET1310_PhyInit(struct et131x_adapter *adapter); +void ET1310_PhyReset(struct et131x_adapter *adapter); +void ET1310_PhyPowerDown(struct et131x_adapter *adapter, bool down); +void ET1310_PhyAutoNeg(struct et131x_adapter *adapter, bool enable); +void ET1310_PhyDuplexMode(struct et131x_adapter *adapter, u16 duplex); +void ET1310_PhySpeedSelect(struct et131x_adapter *adapter, u16 speed); +void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *adapter, + u16 duplex); +void ET1310_PhyAdvertise100BaseT(struct et131x_adapter *adapter, + u16 duplex); +void ET1310_PhyAdvertise10BaseT(struct et131x_adapter *adapter, + u16 duplex); +void ET1310_PhyLinkStatus(struct et131x_adapter *adapter, + u8 *ucLinkStatus, + u32 *uiAutoNeg, + u32 *uiLinkSpeed, + u32 *uiDuplexMode, + u32 *uiMdiMdix, + u32 *uiMasterSlave, u32 *uiPolarity); +void ET1310_PhyAndOrReg(struct et131x_adapter *adapter, + u16 regnum, u16 andMask, u16 orMask); +void ET1310_PhyAccessMiBit(struct et131x_adapter *adapter, + u16 action, + u16 regnum, u16 bitnum, u8 *value); + +#endif /* _ET1310_PHY_H_ */ diff --git a/drivers/staging/et131x/et1310_pm.c b/drivers/staging/et131x/et1310_pm.c new file mode 100644 index 000000000000..9539bc628cae --- /dev/null +++ b/drivers/staging/et131x/et1310_pm.c @@ -0,0 +1,207 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_pm.c - All power management related code (not completely implemented) + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_mac.h" +#include "et1310_rx.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/** + * EnablePhyComa - called when network cable is unplugged + * @pAdapter: pointer to our adapter structure + * + * driver receive an phy status change interrupt while in D0 and check that + * phy_status is down. + * + * -- gate off JAGCore; + * -- set gigE PHY in Coma mode + * -- wake on phy_interrupt; Perform software reset JAGCore, + * re-initialize jagcore and gigE PHY + * + * Add D0-ASPM-PhyLinkDown Support: + * -- while in D0, when there is a phy_interrupt indicating phy link + * down status, call the MPSetPhyComa routine to enter this active + * state power saving mode + * -- while in D0-ASPM-PhyLinkDown mode, when there is a phy_interrupt + * indicating linkup status, call the MPDisablePhyComa routine to + * restore JAGCore and gigE PHY + */ +void EnablePhyComa(struct et131x_adapter *pAdapter) +{ + unsigned long lockflags; + PM_CSR_t GlobalPmCSR; + int32_t LoopCounter = 10; + + DBG_ENTER(et131x_dbginfo); + + GlobalPmCSR.value = readl(&pAdapter->CSRAddress->global.pm_csr.value); + + /* Save the GbE PHY speed and duplex modes. Need to restore this + * when cable is plugged back in + */ + pAdapter->PoMgmt.PowerDownSpeed = pAdapter->AiForceSpeed; + pAdapter->PoMgmt.PowerDownDuplex = pAdapter->AiForceDpx; + + /* Stop sending packets. */ + spin_lock_irqsave(&pAdapter->SendHWLock, lockflags); + MP_SET_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER); + spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags); + + /* Wait for outstanding Receive packets */ + while ((MP_GET_RCV_REF(pAdapter) != 0) && (LoopCounter-- > 0)) { + mdelay(2); + } + + /* Gate off JAGCore 3 clock domains */ + GlobalPmCSR.bits.pm_sysclk_gate = 0; + GlobalPmCSR.bits.pm_txclk_gate = 0; + GlobalPmCSR.bits.pm_rxclk_gate = 0; + writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value); + + /* Program gigE PHY in to Coma mode */ + GlobalPmCSR.bits.pm_phy_sw_coma = 1; + writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * DisablePhyComa - Disable the Phy Coma Mode + * @pAdapter: pointer to our adapter structure + */ +void DisablePhyComa(struct et131x_adapter *pAdapter) +{ + PM_CSR_t GlobalPmCSR; + + DBG_ENTER(et131x_dbginfo); + + GlobalPmCSR.value = readl(&pAdapter->CSRAddress->global.pm_csr.value); + + /* Disable phy_sw_coma register and re-enable JAGCore clocks */ + GlobalPmCSR.bits.pm_sysclk_gate = 1; + GlobalPmCSR.bits.pm_txclk_gate = 1; + GlobalPmCSR.bits.pm_rxclk_gate = 1; + GlobalPmCSR.bits.pm_phy_sw_coma = 0; + writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value); + + /* Restore the GbE PHY speed and duplex modes; + * Reset JAGCore; re-configure and initialize JAGCore and gigE PHY + */ + pAdapter->AiForceSpeed = pAdapter->PoMgmt.PowerDownSpeed; + pAdapter->AiForceDpx = pAdapter->PoMgmt.PowerDownDuplex; + + /* Re-initialize the send structures */ + et131x_init_send(pAdapter); + + /* Reset the RFD list and re-start RU */ + et131x_reset_recv(pAdapter); + + /* Bring the device back to the state it was during init prior to + * autonegotiation being complete. This way, when we get the auto-neg + * complete interrupt, we can complete init by calling ConfigMacREGS2. + */ + et131x_soft_reset(pAdapter); + + /* setup et1310 as per the documentation ?? */ + et131x_adapter_setup(pAdapter); + + /* Allow Tx to restart */ + MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER); + + /* Need to re-enable Rx. */ + et131x_rx_dma_enable(pAdapter); + + DBG_LEAVE(et131x_dbginfo); +} + diff --git a/drivers/staging/et131x/et1310_pm.h b/drivers/staging/et131x/et1310_pm.h new file mode 100644 index 000000000000..6802338e29d9 --- /dev/null +++ b/drivers/staging/et131x/et1310_pm.h @@ -0,0 +1,125 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_pm.h - Defines, structs, enums, prototypes, etc. pertaining to power + * management. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef _ET1310_PM_H_ +#define _ET1310_PM_H_ + +#include "et1310_address_map.h" + +#define MAX_WOL_PACKET_SIZE 0x80 +#define MAX_WOL_MASK_SIZE ( MAX_WOL_PACKET_SIZE / 8 ) +#define NUM_WOL_PATTERNS 0x5 +#define CRC16_POLY 0x1021 + +/* Definition of NDIS_DEVICE_POWER_STATE */ +typedef enum { + NdisDeviceStateUnspecified = 0, + NdisDeviceStateD0, + NdisDeviceStateD1, + NdisDeviceStateD2, + NdisDeviceStateD3 +} NDIS_DEVICE_POWER_STATE; + +typedef struct _MP_POWER_MGMT { + /* variable putting the phy into coma mode when boot up with no cable + * plugged in after 5 seconds + */ + u8 TransPhyComaModeOnBoot; + + /* Array holding the five CRC values that the device is currently + * using for WOL. This will be queried when a pattern is to be + * removed. + */ + u32 localWolAndCrc0; + u16 WOLPatternList[NUM_WOL_PATTERNS]; + u8 WOLMaskList[NUM_WOL_PATTERNS][MAX_WOL_MASK_SIZE]; + u32 WOLMaskSize[NUM_WOL_PATTERNS]; + + /* IP address */ + union { + u32 u32; + u8 u8[4]; + } IPAddress; + + /* Current Power state of the adapter. */ + NDIS_DEVICE_POWER_STATE PowerState; + bool WOLState; + bool WOLEnabled; + bool Failed10Half; + bool bFailedStateTransition; + + /* Next two used to save power information at power down. This + * information will be used during power up to set up parts of Power + * Management in JAGCore + */ + u32 tx_en; + u32 rx_en; + u16 PowerDownSpeed; + u8 PowerDownDuplex; +} MP_POWER_MGMT, *PMP_POWER_MGMT; + +/* Forward declaration of the private adapter structure + * ( IS THERE A WAY TO DO THIS WITH A TYPEDEF??? ) + */ +struct et131x_adapter; + +u16 CalculateCCITCRC16(u8 *Pattern, u8 *Mask, u32 MaskSize); +void EnablePhyComa(struct et131x_adapter *adapter); +void DisablePhyComa(struct et131x_adapter *adapter); + +#endif /* _ET1310_PM_H_ */ diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c new file mode 100644 index 000000000000..ec98da5da5bc --- /dev/null +++ b/drivers/staging/et131x/et1310_rx.c @@ -0,0 +1,1391 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_rx.c - Routines used to perform data reception + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" + +#include "et1310_rx.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + + +void nic_return_rfd(struct et131x_adapter *pAdapter, PMP_RFD pMpRfd); + +/** + * et131x_rx_dma_memory_alloc + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success and errno on failure (as defined in errno.h) + * + * Allocates Free buffer ring 1 for sure, free buffer ring 0 if required, + * and the Packet Status Ring. + */ +int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) +{ + uint32_t OuterLoop, InnerLoop; + uint32_t bufsize; + uint32_t pktStatRingSize, FBRChunkSize; + RX_RING_t *rx_ring; + + DBG_ENTER(et131x_dbginfo); + + /* Setup some convenience pointers */ + rx_ring = (RX_RING_t *) & adapter->RxRing; + + /* Alloc memory for the lookup table */ +#ifdef USE_FBR0 + rx_ring->Fbr[0] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL); +#endif + + rx_ring->Fbr[1] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL); + + /* The first thing we will do is configure the sizes of the buffer + * rings. These will change based on jumbo packet support. Larger + * jumbo packets increases the size of each entry in FBR0, and the + * number of entries in FBR0, while at the same time decreasing the + * number of entries in FBR1. + * + * FBR1 holds "large" frames, FBR0 holds "small" frames. If FBR1 + * entries are huge in order to accomodate a "jumbo" frame, then it + * will have less entries. Conversely, FBR1 will now be relied upon + * to carry more "normal" frames, thus it's entry size also increases + * and the number of entries goes up too (since it now carries + * "small" + "regular" packets. + * + * In this scheme, we try to maintain 512 entries between the two + * rings. Also, FBR1 remains a constant size - when it's size doubles + * the number of entries halves. FBR0 increases in size, however. + */ + + if (adapter->RegistryJumboPacket < 2048) { +#ifdef USE_FBR0 + rx_ring->Fbr0BufferSize = 256; + rx_ring->Fbr0NumEntries = 512; +#endif + rx_ring->Fbr1BufferSize = 2048; + rx_ring->Fbr1NumEntries = 512; + } else if (adapter->RegistryJumboPacket < 4096) { +#ifdef USE_FBR0 + rx_ring->Fbr0BufferSize = 512; + rx_ring->Fbr0NumEntries = 1024; +#endif + rx_ring->Fbr1BufferSize = 4096; + rx_ring->Fbr1NumEntries = 512; + } else { +#ifdef USE_FBR0 + rx_ring->Fbr0BufferSize = 1024; + rx_ring->Fbr0NumEntries = 768; +#endif + rx_ring->Fbr1BufferSize = 16384; + rx_ring->Fbr1NumEntries = 128; + } + +#ifdef USE_FBR0 + adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr0NumEntries + + adapter->RxRing.Fbr1NumEntries; +#else + adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr1NumEntries; +#endif + + /* Allocate an area of memory for Free Buffer Ring 1 */ + bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff; + rx_ring->pFbr1RingVa = pci_alloc_consistent(adapter->pdev, + bufsize, + &rx_ring->pFbr1RingPa); + if (!rx_ring->pFbr1RingVa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Free Buffer Ring 1\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Save physical address + * + * NOTE: pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here + * before storing the adjusted address. + */ + rx_ring->Fbr1Realpa = rx_ring->pFbr1RingPa; + + /* Align Free Buffer Ring 1 on a 4K boundary */ + et131x_align_allocated_memory(adapter, + &rx_ring->Fbr1Realpa, + &rx_ring->Fbr1offset, 0x0FFF); + + rx_ring->pFbr1RingVa = (void *)((uint8_t *) rx_ring->pFbr1RingVa + + rx_ring->Fbr1offset); + +#ifdef USE_FBR0 + /* Allocate an area of memory for Free Buffer Ring 0 */ + bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff; + rx_ring->pFbr0RingVa = pci_alloc_consistent(adapter->pdev, + bufsize, + &rx_ring->pFbr0RingPa); + if (!rx_ring->pFbr0RingVa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Free Buffer Ring 0\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Save physical address + * + * NOTE: pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here before + * storing the adjusted address. + */ + rx_ring->Fbr0Realpa = rx_ring->pFbr0RingPa; + + /* Align Free Buffer Ring 0 on a 4K boundary */ + et131x_align_allocated_memory(adapter, + &rx_ring->Fbr0Realpa, + &rx_ring->Fbr0offset, 0x0FFF); + + rx_ring->pFbr0RingVa = (void *)((uint8_t *) rx_ring->pFbr0RingVa + + rx_ring->Fbr0offset); +#endif + + for (OuterLoop = 0; OuterLoop < (rx_ring->Fbr1NumEntries / FBR_CHUNKS); + OuterLoop++) { + uint64_t Fbr1Offset; + uint64_t Fbr1TempPa; + uint32_t Fbr1Align; + + /* This code allocates an area of memory big enough for N + * free buffers + (buffer_size - 1) so that the buffers can + * be aligned on 4k boundaries. If each buffer were aligned + * to a buffer_size boundary, the effect would be to double + * the size of FBR0. By allocating N buffers at once, we + * reduce this overhead. + */ + if (rx_ring->Fbr1BufferSize > 4096) { + Fbr1Align = 4096; + } else { + Fbr1Align = rx_ring->Fbr1BufferSize; + } + + FBRChunkSize = + (FBR_CHUNKS * rx_ring->Fbr1BufferSize) + Fbr1Align - 1; + rx_ring->Fbr1MemVa[OuterLoop] = + pci_alloc_consistent(adapter->pdev, FBRChunkSize, + &rx_ring->Fbr1MemPa[OuterLoop]); + + if (!rx_ring->Fbr1MemVa[OuterLoop]) { + DBG_ERROR(et131x_dbginfo, "Could not alloc memory\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* See NOTE in "Save Physical Address" comment above */ + Fbr1TempPa = rx_ring->Fbr1MemPa[OuterLoop]; + + et131x_align_allocated_memory(adapter, + &Fbr1TempPa, + &Fbr1Offset, (Fbr1Align - 1)); + + for (InnerLoop = 0; InnerLoop < FBR_CHUNKS; InnerLoop++) { + uint32_t index = (OuterLoop * FBR_CHUNKS) + InnerLoop; + + /* Save the Virtual address of this index for quick + * access later + */ + rx_ring->Fbr[1]->Va[index] = + (uint8_t *) rx_ring->Fbr1MemVa[OuterLoop] + + (InnerLoop * rx_ring->Fbr1BufferSize) + Fbr1Offset; + + /* now store the physical address in the descriptor + * so the device can access it + */ + rx_ring->Fbr[1]->PAHigh[index] = + (uint32_t) (Fbr1TempPa >> 32); + rx_ring->Fbr[1]->PALow[index] = (uint32_t) Fbr1TempPa; + + Fbr1TempPa += rx_ring->Fbr1BufferSize; + + rx_ring->Fbr[1]->Buffer1[index] = + rx_ring->Fbr[1]->Va[index]; + rx_ring->Fbr[1]->Buffer2[index] = + rx_ring->Fbr[1]->Va[index] - 4; + } + } + +#ifdef USE_FBR0 + /* Same for FBR0 (if in use) */ + for (OuterLoop = 0; OuterLoop < (rx_ring->Fbr0NumEntries / FBR_CHUNKS); + OuterLoop++) { + uint64_t Fbr0Offset; + uint64_t Fbr0TempPa; + + FBRChunkSize = ((FBR_CHUNKS + 1) * rx_ring->Fbr0BufferSize) - 1; + rx_ring->Fbr0MemVa[OuterLoop] = + pci_alloc_consistent(adapter->pdev, FBRChunkSize, + &rx_ring->Fbr0MemPa[OuterLoop]); + + if (!rx_ring->Fbr0MemVa[OuterLoop]) { + DBG_ERROR(et131x_dbginfo, "Could not alloc memory\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* See NOTE in "Save Physical Address" comment above */ + Fbr0TempPa = rx_ring->Fbr0MemPa[OuterLoop]; + + et131x_align_allocated_memory(adapter, + &Fbr0TempPa, + &Fbr0Offset, + rx_ring->Fbr0BufferSize - 1); + + for (InnerLoop = 0; InnerLoop < FBR_CHUNKS; InnerLoop++) { + uint32_t index = (OuterLoop * FBR_CHUNKS) + InnerLoop; + + rx_ring->Fbr[0]->Va[index] = + (uint8_t *) rx_ring->Fbr0MemVa[OuterLoop] + + (InnerLoop * rx_ring->Fbr0BufferSize) + Fbr0Offset; + + rx_ring->Fbr[0]->PAHigh[index] = + (uint32_t) (Fbr0TempPa >> 32); + rx_ring->Fbr[0]->PALow[index] = (uint32_t) Fbr0TempPa; + + Fbr0TempPa += rx_ring->Fbr0BufferSize; + + rx_ring->Fbr[0]->Buffer1[index] = + rx_ring->Fbr[0]->Va[index]; + rx_ring->Fbr[0]->Buffer2[index] = + rx_ring->Fbr[0]->Va[index] - 4; + } + } +#endif + + /* Allocate an area of memory for FIFO of Packet Status ring entries */ + pktStatRingSize = + sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries; + + rx_ring->pPSRingVa = pci_alloc_consistent(adapter->pdev, + pktStatRingSize + 0x0fff, + &rx_ring->pPSRingPa); + + if (!rx_ring->pPSRingVa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Packet Status Ring\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Save physical address + * + * NOTE : pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here before + * storing the adjusted address. + */ + rx_ring->pPSRingRealPa = rx_ring->pPSRingPa; + + /* Align Packet Status Ring on a 4K boundary */ + et131x_align_allocated_memory(adapter, + &rx_ring->pPSRingRealPa, + &rx_ring->pPSRingOffset, 0x0FFF); + + rx_ring->pPSRingVa = (void *)((uint8_t *) rx_ring->pPSRingVa + + rx_ring->pPSRingOffset); + + /* Allocate an area of memory for writeback of status information */ + rx_ring->pRxStatusVa = pci_alloc_consistent(adapter->pdev, + sizeof(RX_STATUS_BLOCK_t) + + 0x7, &rx_ring->pRxStatusPa); + if (!rx_ring->pRxStatusVa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Status Block\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Save physical address */ + rx_ring->RxStatusRealPA = rx_ring->pRxStatusPa; + + /* Align write back on an 8 byte boundary */ + et131x_align_allocated_memory(adapter, + &rx_ring->RxStatusRealPA, + &rx_ring->RxStatusOffset, 0x07); + + rx_ring->pRxStatusVa = (void *)((uint8_t *) rx_ring->pRxStatusVa + + rx_ring->RxStatusOffset); + rx_ring->NumRfd = NIC_DEFAULT_NUM_RFD; + + /* Recv + * pci_pool_create initializes a lookaside list. After successful + * creation, nonpaged fixed-size blocks can be allocated from and + * freed to the lookaside list. + * RFDs will be allocated from this pool. + */ + rx_ring->RecvLookaside = kmem_cache_create(adapter->netdev->name, + sizeof(MP_RFD), + 0, + SLAB_CACHE_DMA | + SLAB_HWCACHE_ALIGN, + NULL); + + MP_SET_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE); + + /* The RFDs are going to be put on lists later on, so initialize the + * lists now. + */ + INIT_LIST_HEAD(&rx_ring->RecvList); + INIT_LIST_HEAD(&rx_ring->RecvPendingList); + + DBG_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * et131x_rx_dma_memory_free - Free all memory allocated within this module. + * @adapter: pointer to our private adapter structure + */ +void et131x_rx_dma_memory_free(struct et131x_adapter *adapter) +{ + uint32_t index; + uint32_t bufsize; + uint32_t pktStatRingSize; + PMP_RFD pMpRfd; + RX_RING_t *rx_ring; + + DBG_ENTER(et131x_dbginfo); + + /* Setup some convenience pointers */ + rx_ring = (RX_RING_t *) & adapter->RxRing; + + /* Free RFDs and associated packet descriptors */ + DBG_ASSERT(rx_ring->nReadyRecv == rx_ring->NumRfd); + + while (!list_empty(&rx_ring->RecvList)) { + pMpRfd = (MP_RFD *) list_entry(rx_ring->RecvList.next, + MP_RFD, list_node); + + list_del(&pMpRfd->list_node); + et131x_rfd_resources_free(adapter, pMpRfd); + } + + while (!list_empty(&rx_ring->RecvPendingList)) { + pMpRfd = (MP_RFD *) list_entry(rx_ring->RecvPendingList.next, + MP_RFD, list_node); + list_del(&pMpRfd->list_node); + et131x_rfd_resources_free(adapter, pMpRfd); + } + + /* Free Free Buffer Ring 1 */ + if (rx_ring->pFbr1RingVa) { + /* First the packet memory */ + for (index = 0; index < + (rx_ring->Fbr1NumEntries / FBR_CHUNKS); index++) { + if (rx_ring->Fbr1MemVa[index]) { + uint32_t Fbr1Align; + + if (rx_ring->Fbr1BufferSize > 4096) { + Fbr1Align = 4096; + } else { + Fbr1Align = rx_ring->Fbr1BufferSize; + } + + bufsize = + (rx_ring->Fbr1BufferSize * FBR_CHUNKS) + + Fbr1Align - 1; + + pci_free_consistent(adapter->pdev, + bufsize, + rx_ring->Fbr1MemVa[index], + rx_ring->Fbr1MemPa[index]); + + rx_ring->Fbr1MemVa[index] = NULL; + } + } + + /* Now the FIFO itself */ + rx_ring->pFbr1RingVa = (void *)((uint8_t *) rx_ring->pFbr1RingVa - + rx_ring->Fbr1offset); + + bufsize = + (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff; + + pci_free_consistent(adapter->pdev, + bufsize, + rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa); + + rx_ring->pFbr1RingVa = NULL; + } + +#ifdef USE_FBR0 + /* Now the same for Free Buffer Ring 0 */ + if (rx_ring->pFbr0RingVa) { + /* First the packet memory */ + for (index = 0; index < + (rx_ring->Fbr0NumEntries / FBR_CHUNKS); index++) { + if (rx_ring->Fbr0MemVa[index]) { + bufsize = + (rx_ring->Fbr0BufferSize * + (FBR_CHUNKS + 1)) - 1; + + pci_free_consistent(adapter->pdev, + bufsize, + rx_ring->Fbr0MemVa[index], + rx_ring->Fbr0MemPa[index]); + + rx_ring->Fbr0MemVa[index] = NULL; + } + } + + /* Now the FIFO itself */ + rx_ring->pFbr0RingVa = (void *)((uint8_t *) rx_ring->pFbr0RingVa - + rx_ring->Fbr0offset); + + bufsize = + (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff; + + pci_free_consistent(adapter->pdev, + bufsize, + rx_ring->pFbr0RingVa, rx_ring->pFbr0RingPa); + + rx_ring->pFbr0RingVa = NULL; + } +#endif + + /* Free Packet Status Ring */ + if (rx_ring->pPSRingVa) { + rx_ring->pPSRingVa = (void *)((uint8_t *) rx_ring->pPSRingVa - + rx_ring->pPSRingOffset); + + pktStatRingSize = + sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries; + + pci_free_consistent(adapter->pdev, + pktStatRingSize + 0x0fff, + rx_ring->pPSRingVa, rx_ring->pPSRingPa); + + rx_ring->pPSRingVa = NULL; + } + + /* Free area of memory for the writeback of status information */ + if (rx_ring->pRxStatusVa) { + rx_ring->pRxStatusVa = (void *)((uint8_t *) rx_ring->pRxStatusVa - + rx_ring->RxStatusOffset); + + pci_free_consistent(adapter->pdev, + sizeof(RX_STATUS_BLOCK_t) + 0x7, + rx_ring->pRxStatusVa, rx_ring->pRxStatusPa); + + rx_ring->pRxStatusVa = NULL; + } + + /* Free receive buffer pool */ + + /* Free receive packet pool */ + + /* Destroy the lookaside (RFD) pool */ + if (MP_TEST_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE)) { + kmem_cache_destroy(rx_ring->RecvLookaside); + MP_CLEAR_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE); + } + + /* Free the FBR Lookup Table */ +#ifdef USE_FBR0 + kfree(rx_ring->Fbr[0]); +#endif + + kfree(rx_ring->Fbr[1]); + + /* Reset Counters */ + rx_ring->nReadyRecv = 0; + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_init_recv - Initialize receive data structures. + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success and errno on failure (as defined in errno.h) + */ +int et131x_init_recv(struct et131x_adapter *adapter) +{ + int status = -ENOMEM; + PMP_RFD pMpRfd = NULL; + uint32_t RfdCount; + uint32_t TotalNumRfd = 0; + RX_RING_t *rx_ring = NULL; + + DBG_ENTER(et131x_dbginfo); + + /* Setup some convenience pointers */ + rx_ring = (RX_RING_t *) & adapter->RxRing; + + /* Setup each RFD */ + for (RfdCount = 0; RfdCount < rx_ring->NumRfd; RfdCount++) { + pMpRfd = (MP_RFD *) kmem_cache_alloc(rx_ring->RecvLookaside, + GFP_ATOMIC | GFP_DMA); + + if (!pMpRfd) { + DBG_ERROR(et131x_dbginfo, + "Couldn't alloc RFD out of kmem_cache\n"); + status = -ENOMEM; + continue; + } + + status = et131x_rfd_resources_alloc(adapter, pMpRfd); + if (status != 0) { + DBG_ERROR(et131x_dbginfo, + "Couldn't alloc packet for RFD\n"); + kmem_cache_free(rx_ring->RecvLookaside, pMpRfd); + continue; + } + + /* Add this RFD to the RecvList */ + list_add_tail(&pMpRfd->list_node, &rx_ring->RecvList); + + /* Increment both the available RFD's, and the total RFD's. */ + rx_ring->nReadyRecv++; + TotalNumRfd++; + } + + if (TotalNumRfd > NIC_MIN_NUM_RFD) { + status = 0; + } + + rx_ring->NumRfd = TotalNumRfd; + + if (status != 0) { + kmem_cache_free(rx_ring->RecvLookaside, pMpRfd); + DBG_ERROR(et131x_dbginfo, + "Allocation problems in et131x_init_recv\n"); + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_rfd_resources_alloc + * @adapter: pointer to our private adapter structure + * @pMpRfd: pointer to a RFD + * + * Returns 0 on success and errno on failure (as defined in errno.h) + */ +int et131x_rfd_resources_alloc(struct et131x_adapter *adapter, MP_RFD *pMpRfd) +{ + pMpRfd->Packet = NULL; + + return 0; +} + +/** + * et131x_rfd_resources_free - Free the packet allocated for the given RFD + * @adapter: pointer to our private adapter structure + * @pMpRfd: pointer to a RFD + */ +void et131x_rfd_resources_free(struct et131x_adapter *adapter, MP_RFD *pMpRfd) +{ + pMpRfd->Packet = NULL; + kmem_cache_free(adapter->RxRing.RecvLookaside, pMpRfd); +} + +/** + * ConfigRxDmaRegs - Start of Rx_DMA init sequence + * @pAdapter: pointer to our adapter structure + */ +void ConfigRxDmaRegs(struct et131x_adapter *pAdapter) +{ + struct _RXDMA_t __iomem *pRxDma = &pAdapter->CSRAddress->rxdma; + struct _rx_ring_t *pRxLocal = &pAdapter->RxRing; + PFBR_DESC_t pFbrEntry; + uint32_t iEntry; + RXDMA_PSR_NUM_DES_t psr_num_des; + unsigned long lockflags; + + DBG_ENTER(et131x_dbginfo); + + /* Halt RXDMA to perform the reconfigure. */ + et131x_rx_dma_disable(pAdapter); + + /* Load the completion writeback physical address + * + * NOTE : pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here + * before storing the adjusted address. + */ + writel((uint32_t) (pRxLocal->RxStatusRealPA >> 32), + &pRxDma->dma_wb_base_hi); + writel((uint32_t) pRxLocal->RxStatusRealPA, &pRxDma->dma_wb_base_lo); + + memset(pRxLocal->pRxStatusVa, 0, sizeof(RX_STATUS_BLOCK_t)); + + /* Set the address and parameters of the packet status ring into the + * 1310's registers + */ + writel((uint32_t) (pRxLocal->pPSRingRealPa >> 32), + &pRxDma->psr_base_hi); + writel((uint32_t) pRxLocal->pPSRingRealPa, &pRxDma->psr_base_lo); + writel(pRxLocal->PsrNumEntries - 1, &pRxDma->psr_num_des.value); + writel(0, &pRxDma->psr_full_offset.value); + + psr_num_des.value = readl(&pRxDma->psr_num_des.value); + writel((psr_num_des.bits.psr_ndes * LO_MARK_PERCENT_FOR_PSR) / 100, + &pRxDma->psr_min_des.value); + + spin_lock_irqsave(&pAdapter->RcvLock, lockflags); + + /* These local variables track the PSR in the adapter structure */ + pRxLocal->local_psr_full.bits.psr_full = 0; + pRxLocal->local_psr_full.bits.psr_full_wrap = 0; + + /* Now's the best time to initialize FBR1 contents */ + pFbrEntry = (PFBR_DESC_t) pRxLocal->pFbr1RingVa; + for (iEntry = 0; iEntry < pRxLocal->Fbr1NumEntries; iEntry++) { + pFbrEntry->addr_hi = pRxLocal->Fbr[1]->PAHigh[iEntry]; + pFbrEntry->addr_lo = pRxLocal->Fbr[1]->PALow[iEntry]; + pFbrEntry->word2.bits.bi = iEntry; + pFbrEntry++; + } + + /* Set the address and parameters of Free buffer ring 1 (and 0 if + * required) into the 1310's registers + */ + writel((uint32_t) (pRxLocal->Fbr1Realpa >> 32), &pRxDma->fbr1_base_hi); + writel((uint32_t) pRxLocal->Fbr1Realpa, &pRxDma->fbr1_base_lo); + writel(pRxLocal->Fbr1NumEntries - 1, &pRxDma->fbr1_num_des.value); + + { + DMA10W_t fbr1_full = { 0 }; + + fbr1_full.bits.val = 0; + fbr1_full.bits.wrap = 1; + writel(fbr1_full.value, &pRxDma->fbr1_full_offset.value); + } + + /* This variable tracks the free buffer ring 1 full position, so it + * has to match the above. + */ + pRxLocal->local_Fbr1_full.bits.val = 0; + pRxLocal->local_Fbr1_full.bits.wrap = 1; + writel(((pRxLocal->Fbr1NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1, + &pRxDma->fbr1_min_des.value); + +#ifdef USE_FBR0 + /* Now's the best time to initialize FBR0 contents */ + pFbrEntry = (PFBR_DESC_t) pRxLocal->pFbr0RingVa; + for (iEntry = 0; iEntry < pRxLocal->Fbr0NumEntries; iEntry++) { + pFbrEntry->addr_hi = pRxLocal->Fbr[0]->PAHigh[iEntry]; + pFbrEntry->addr_lo = pRxLocal->Fbr[0]->PALow[iEntry]; + pFbrEntry->word2.bits.bi = iEntry; + pFbrEntry++; + } + + writel((uint32_t) (pRxLocal->Fbr0Realpa >> 32), &pRxDma->fbr0_base_hi); + writel((uint32_t) pRxLocal->Fbr0Realpa, &pRxDma->fbr0_base_lo); + writel(pRxLocal->Fbr0NumEntries - 1, &pRxDma->fbr0_num_des.value); + + { + DMA10W_t fbr0_full = { 0 }; + + fbr0_full.bits.val = 0; + fbr0_full.bits.wrap = 1; + writel(fbr0_full.value, &pRxDma->fbr0_full_offset.value); + } + + /* This variable tracks the free buffer ring 0 full position, so it + * has to match the above. + */ + pRxLocal->local_Fbr0_full.bits.val = 0; + pRxLocal->local_Fbr0_full.bits.wrap = 1; + writel(((pRxLocal->Fbr0NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1, + &pRxDma->fbr0_min_des.value); +#endif + + /* Program the number of packets we will receive before generating an + * interrupt. + * For version B silicon, this value gets updated once autoneg is + *complete. + */ + writel(pAdapter->RegistryRxNumBuffers, &pRxDma->num_pkt_done.value); + + /* The "time_done" is not working correctly to coalesce interrupts + * after a given time period, but rather is giving us an interrupt + * regardless of whether we have received packets. + * This value gets updated once autoneg is complete. + */ + writel(pAdapter->RegistryRxTimeInterval, &pRxDma->max_pkt_time.value); + + spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * SetRxDmaTimer - Set the heartbeat timer according to line rate. + * @pAdapter: pointer to our adapter structure + */ +void SetRxDmaTimer(struct et131x_adapter *pAdapter) +{ + /* For version B silicon, we do not use the RxDMA timer for 10 and 100 + * Mbits/s line rates. We do not enable and RxDMA interrupt coalescing. + */ + if ((pAdapter->uiLinkSpeed == TRUEPHY_SPEED_100MBPS) || + (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS)) { + writel(0, &pAdapter->CSRAddress->rxdma.max_pkt_time.value); + writel(1, &pAdapter->CSRAddress->rxdma.num_pkt_done.value); + } +} + +/** + * et131x_rx_dma_disable - Stop of Rx_DMA on the ET1310 + * @pAdapter: pointer to our adapter structure + */ +void et131x_rx_dma_disable(struct et131x_adapter *pAdapter) +{ + RXDMA_CSR_t csr; + + DBG_ENTER(et131x_dbginfo); + + /* Setup the receive dma configuration register */ + writel(0x00002001, &pAdapter->CSRAddress->rxdma.csr.value); + csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value); + if (csr.bits.halt_status != 1) { + udelay(5); + csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value); + if (csr.bits.halt_status != 1) { + DBG_ERROR(et131x_dbginfo, + "RX Dma failed to enter halt state. CSR 0x%08x\n", + csr.value); + } + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_rx_dma_enable - re-start of Rx_DMA on the ET1310. + * @pAdapter: pointer to our adapter structure + */ +void et131x_rx_dma_enable(struct et131x_adapter *pAdapter) +{ + DBG_RX_ENTER(et131x_dbginfo); + + if (pAdapter->RegistryPhyLoopbk) { + /* RxDMA is disabled for loopback operation. */ + writel(0x1, &pAdapter->CSRAddress->rxdma.csr.value); + } else { + /* Setup the receive dma configuration register for normal operation */ + RXDMA_CSR_t csr = { 0 }; + + csr.bits.fbr1_enable = 1; + if (pAdapter->RxRing.Fbr1BufferSize == 4096) { + csr.bits.fbr1_size = 1; + } else if (pAdapter->RxRing.Fbr1BufferSize == 8192) { + csr.bits.fbr1_size = 2; + } else if (pAdapter->RxRing.Fbr1BufferSize == 16384) { + csr.bits.fbr1_size = 3; + } +#ifdef USE_FBR0 + csr.bits.fbr0_enable = 1; + if (pAdapter->RxRing.Fbr0BufferSize == 256) { + csr.bits.fbr0_size = 1; + } else if (pAdapter->RxRing.Fbr0BufferSize == 512) { + csr.bits.fbr0_size = 2; + } else if (pAdapter->RxRing.Fbr0BufferSize == 1024) { + csr.bits.fbr0_size = 3; + } +#endif + writel(csr.value, &pAdapter->CSRAddress->rxdma.csr.value); + + csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value); + if (csr.bits.halt_status != 0) { + udelay(5); + csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value); + if (csr.bits.halt_status != 0) { + DBG_ERROR(et131x_dbginfo, + "RX Dma failed to exit halt state. CSR 0x%08x\n", + csr.value); + } + } + } + + DBG_RX_LEAVE(et131x_dbginfo); +} + +/** + * nic_rx_pkts - Checks the hardware for available packets + * @pAdapter: pointer to our adapter + * + * Returns pMpRfd, a pointer to our MPRFD. + * + * Checks the hardware for available packets, using completion ring + * If packets are available, it gets an RFD from the RecvList, attaches + * the packet to it, puts the RFD in the RecvPendList, and also returns + * the pointer to the RFD. + */ +PMP_RFD nic_rx_pkts(struct et131x_adapter *pAdapter) +{ + struct _rx_ring_t *pRxLocal = &pAdapter->RxRing; + PRX_STATUS_BLOCK_t pRxStatusBlock; + PPKT_STAT_DESC_t pPSREntry; + PMP_RFD pMpRfd; + uint32_t nIndex; + uint8_t *pBufVa; + unsigned long lockflags; + struct list_head *element; + uint8_t ringIndex; + uint16_t bufferIndex; + uint32_t localLen; + PKT_STAT_DESC_WORD0_t Word0; + + + DBG_RX_ENTER(et131x_dbginfo); + + /* RX Status block is written by the DMA engine prior to every + * interrupt. It contains the next to be used entry in the Packet + * Status Ring, and also the two Free Buffer rings. + */ + pRxStatusBlock = (PRX_STATUS_BLOCK_t) pRxLocal->pRxStatusVa; + + if (pRxStatusBlock->Word1.bits.PSRoffset == + pRxLocal->local_psr_full.bits.psr_full && + pRxStatusBlock->Word1.bits.PSRwrap == + pRxLocal->local_psr_full.bits.psr_full_wrap) { + /* Looks like this ring is not updated yet */ + DBG_RX(et131x_dbginfo, "(0)\n"); + DBG_RX_LEAVE(et131x_dbginfo); + return NULL; + } + + /* The packet status ring indicates that data is available. */ + pPSREntry = (PPKT_STAT_DESC_t) (pRxLocal->pPSRingVa) + + pRxLocal->local_psr_full.bits.psr_full; + + /* Grab any information that is required once the PSR is + * advanced, since we can no longer rely on the memory being + * accurate + */ + localLen = pPSREntry->word1.bits.length; + ringIndex = (uint8_t) pPSREntry->word1.bits.ri; + bufferIndex = (uint16_t) pPSREntry->word1.bits.bi; + Word0 = pPSREntry->word0; + + DBG_RX(et131x_dbginfo, "RX PACKET STATUS\n"); + DBG_RX(et131x_dbginfo, "\tlength : %d\n", localLen); + DBG_RX(et131x_dbginfo, "\tringIndex : %d\n", ringIndex); + DBG_RX(et131x_dbginfo, "\tbufferIndex : %d\n", bufferIndex); + DBG_RX(et131x_dbginfo, "\tword0 : 0x%08x\n", Word0.value); + +#if 0 + /* Check the Status Word that the MAC has appended to the PSR + * entry in case the MAC has detected errors. + */ + if (Word0.value & ALCATEL_BAD_STATUS) { + DBG_ERROR(et131x_dbginfo, + "NICRxPkts >> Alcatel Status Word error." + "Value 0x%08x\n", pPSREntry->word0.value); + } +#endif + + /* Indicate that we have used this PSR entry. */ + if (++pRxLocal->local_psr_full.bits.psr_full > + pRxLocal->PsrNumEntries - 1) { + pRxLocal->local_psr_full.bits.psr_full = 0; + pRxLocal->local_psr_full.bits.psr_full_wrap ^= 1; + } + + writel(pRxLocal->local_psr_full.value, + &pAdapter->CSRAddress->rxdma.psr_full_offset.value); + +#ifndef USE_FBR0 + if (ringIndex != 1) { + DBG_ERROR(et131x_dbginfo, + "NICRxPkts PSR Entry %d indicates " + "Buffer Ring 0 in use\n", + pRxLocal->local_psr_full.bits.psr_full); + DBG_RX_LEAVE(et131x_dbginfo); + return NULL; + } +#endif + +#ifdef USE_FBR0 + if (ringIndex > 1 || + (ringIndex == 0 && + bufferIndex > pRxLocal->Fbr0NumEntries - 1) || + (ringIndex == 1 && + bufferIndex > pRxLocal->Fbr1NumEntries - 1)) +#else + if (ringIndex != 1 || + bufferIndex > pRxLocal->Fbr1NumEntries - 1) +#endif + { + /* Illegal buffer or ring index cannot be used by S/W*/ + DBG_ERROR(et131x_dbginfo, + "NICRxPkts PSR Entry %d indicates " + "length of %d and/or bad bi(%d)\n", + pRxLocal->local_psr_full.bits.psr_full, + localLen, bufferIndex); + DBG_RX_LEAVE(et131x_dbginfo); + return NULL; + } + + /* Get and fill the RFD. */ + spin_lock_irqsave(&pAdapter->RcvLock, lockflags); + + pMpRfd = NULL; + element = pRxLocal->RecvList.next; + pMpRfd = (PMP_RFD) list_entry(element, MP_RFD, list_node); + + if (pMpRfd == NULL) { + DBG_RX(et131x_dbginfo, + "NULL RFD returned from RecvList via list_entry()\n"); + DBG_RX_LEAVE(et131x_dbginfo); + spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags); + return NULL; + } + + list_del(&pMpRfd->list_node); + pRxLocal->nReadyRecv--; + + spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags); + + pMpRfd->iBufferIndex = bufferIndex; + pMpRfd->iRingIndex = ringIndex; + + /* In V1 silicon, there is a bug which screws up filtering of + * runt packets. Therefore runt packet filtering is disabled + * in the MAC and the packets are dropped here. They are + * also counted here. + */ + if (localLen < (NIC_MIN_PACKET_SIZE + 4)) { + pAdapter->Stats.other_errors++; + localLen = 0; + } + + if (localLen) { + if (pAdapter->ReplicaPhyLoopbk == 1) { + pBufVa = pRxLocal->Fbr[ringIndex]->Va[bufferIndex]; + + if (memcmp(&pBufVa[6], &pAdapter->CurrentAddress[0], + ETH_ALEN) == 0) { + if (memcmp(&pBufVa[42], "Replica packet", + ETH_HLEN)) { + pAdapter->ReplicaPhyLoopbkPF = 1; + } + } + DBG_WARNING(et131x_dbginfo, + "pBufVa:\t%02x:%02x:%02x:%02x:%02x:%02x\n", + pBufVa[6], pBufVa[7], pBufVa[8], + pBufVa[9], pBufVa[10], pBufVa[11]); + + DBG_WARNING(et131x_dbginfo, + "CurrentAddr:\t%02x:%02x:%02x:%02x:%02x:%02x\n", + pAdapter->CurrentAddress[0], + pAdapter->CurrentAddress[1], + pAdapter->CurrentAddress[2], + pAdapter->CurrentAddress[3], + pAdapter->CurrentAddress[4], + pAdapter->CurrentAddress[5]); + } + + /* Determine if this is a multicast packet coming in */ + if ((Word0.value & ALCATEL_MULTICAST_PKT) && + !(Word0.value & ALCATEL_BROADCAST_PKT)) { + /* Promiscuous mode and Multicast mode are + * not mutually exclusive as was first + * thought. I guess Promiscuous is just + * considered a super-set of the other + * filters. Generally filter is 0x2b when in + * promiscuous mode. + */ + if ((pAdapter->PacketFilter & ET131X_PACKET_TYPE_MULTICAST) + && !(pAdapter->PacketFilter & ET131X_PACKET_TYPE_PROMISCUOUS) + && !(pAdapter->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST)) { + pBufVa = pRxLocal->Fbr[ringIndex]-> + Va[bufferIndex]; + + /* Loop through our list to see if the + * destination address of this packet + * matches one in our list. + */ + for (nIndex = 0; + nIndex < pAdapter->MCAddressCount; + nIndex++) { + if (pBufVa[0] == + pAdapter->MCList[nIndex][0] + && pBufVa[1] == + pAdapter->MCList[nIndex][1] + && pBufVa[2] == + pAdapter->MCList[nIndex][2] + && pBufVa[3] == + pAdapter->MCList[nIndex][3] + && pBufVa[4] == + pAdapter->MCList[nIndex][4] + && pBufVa[5] == + pAdapter->MCList[nIndex][5]) { + break; + } + } + + /* If our index is equal to the number + * of Multicast address we have, then + * this means we did not find this + * packet's matching address in our + * list. Set the PacketSize to zero, + * so we free our RFD when we return + * from this function. + */ + if (nIndex == pAdapter->MCAddressCount) { + localLen = 0; + } + } + + if (localLen > 0) { + pAdapter->Stats.multircv++; + } + } else if (Word0.value & ALCATEL_BROADCAST_PKT) { + pAdapter->Stats.brdcstrcv++; + } else { + /* Not sure what this counter measures in + * promiscuous mode. Perhaps we should check + * the MAC address to see if it is directed + * to us in promiscuous mode. + */ + pAdapter->Stats.unircv++; + } + } + + if (localLen > 0) { + struct sk_buff *skb = NULL; + + //pMpRfd->PacketSize = localLen - 4; + pMpRfd->PacketSize = localLen; + + skb = dev_alloc_skb(pMpRfd->PacketSize + 2); + if (!skb) { + DBG_ERROR(et131x_dbginfo, + "Couldn't alloc an SKB for Rx\n"); + DBG_RX_LEAVE(et131x_dbginfo); + return NULL; + } + + pAdapter->net_stats.rx_bytes += pMpRfd->PacketSize; + + memcpy(skb_put(skb, pMpRfd->PacketSize), + pRxLocal->Fbr[ringIndex]->Va[bufferIndex], + pMpRfd->PacketSize); + + skb->dev = pAdapter->netdev; + skb->protocol = eth_type_trans(skb, pAdapter->netdev); + skb->ip_summed = CHECKSUM_NONE; + + netif_rx(skb); + } else { + pMpRfd->PacketSize = 0; + } + + nic_return_rfd(pAdapter, pMpRfd); + + DBG_RX(et131x_dbginfo, "(1)\n"); + DBG_RX_LEAVE(et131x_dbginfo); + return pMpRfd; +} + +/** + * et131x_reset_recv - Reset the receive list + * @pAdapter: pointer to our adapter + * + * Assumption, Rcv spinlock has been acquired. + */ +void et131x_reset_recv(struct et131x_adapter *pAdapter) +{ + PMP_RFD pMpRfd; + struct list_head *element; + + DBG_ENTER(et131x_dbginfo); + + DBG_ASSERT(!list_empty(&pAdapter->RxRing.RecvList)); + + /* Take all the RFD's from the pending list, and stick them on the + * RecvList. + */ + while (!list_empty(&pAdapter->RxRing.RecvPendingList)) { + element = pAdapter->RxRing.RecvPendingList.next; + + pMpRfd = (PMP_RFD) list_entry(element, MP_RFD, list_node); + + list_del(&pMpRfd->list_node); + list_add_tail(&pMpRfd->list_node, &pAdapter->RxRing.RecvList); + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_handle_recv_interrupt - Interrupt handler for receive processing + * @pAdapter: pointer to our adapter + * + * Assumption, Rcv spinlock has been acquired. + */ +void et131x_handle_recv_interrupt(struct et131x_adapter *pAdapter) +{ + PMP_RFD pMpRfd = NULL; + struct sk_buff *PacketArray[NUM_PACKETS_HANDLED]; + PMP_RFD RFDFreeArray[NUM_PACKETS_HANDLED]; + uint32_t PacketArrayCount = 0; + uint32_t PacketsToHandle; + uint32_t PacketFreeCount = 0; + bool TempUnfinishedRec = false; + + DBG_RX_ENTER(et131x_dbginfo); + + PacketsToHandle = NUM_PACKETS_HANDLED; + + /* Process up to available RFD's */ + while (PacketArrayCount < PacketsToHandle) { + if (list_empty(&pAdapter->RxRing.RecvList)) { + DBG_ASSERT(pAdapter->RxRing.nReadyRecv == 0); + DBG_ERROR(et131x_dbginfo, "NO RFD's !!!!!!!!!!!!!\n"); + TempUnfinishedRec = true; + break; + } + + pMpRfd = nic_rx_pkts(pAdapter); + + if (pMpRfd == NULL) { + break; + } + + /* Do not receive any packets until a filter has been set. + * Do not receive any packets until we are at D0. + * Do not receive any packets until we have link. + * If length is zero, return the RFD in order to advance the + * Free buffer ring. + */ + if ((!pAdapter->PacketFilter) || + (pAdapter->PoMgmt.PowerState != NdisDeviceStateD0) || + (!MP_LINK_DETECTED(pAdapter)) || + (pMpRfd->PacketSize == 0)) { + continue; + } + + /* Increment the number of packets we received */ + pAdapter->Stats.ipackets++; + + /* Set the status on the packet, either resources or success */ + if (pAdapter->RxRing.nReadyRecv >= RFD_LOW_WATER_MARK) { + /* Put this RFD on the pending list + * + * NOTE: nic_rx_pkts() above is already returning the + * RFD to the RecvList, so don't additionally do that + * here. + * Besides, we don't really need (at this point) the + * pending list anyway. + */ + //spin_lock_irqsave( &pAdapter->RcvPendLock, lockflags ); + //list_add_tail( &pMpRfd->list_node, &pAdapter->RxRing.RecvPendingList ); + //spin_unlock_irqrestore( &pAdapter->RcvPendLock, lockflags ); + + /* Update the number of outstanding Recvs */ + //MP_INC_RCV_REF( pAdapter ); + } else { + RFDFreeArray[PacketFreeCount] = pMpRfd; + PacketFreeCount++; + + DBG_WARNING(et131x_dbginfo, + "RFD's are running out !!!!!!!!!!!!!\n"); + } + + PacketArray[PacketArrayCount] = pMpRfd->Packet; + PacketArrayCount++; + } + + if ((PacketArrayCount == NUM_PACKETS_HANDLED) || TempUnfinishedRec) { + pAdapter->RxRing.UnfinishedReceives = true; + writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO, + &pAdapter->CSRAddress->global.watchdog_timer); + } else { + /* Watchdog timer will disable itself if appropriate. */ + pAdapter->RxRing.UnfinishedReceives = false; + } + + DBG_RX_LEAVE(et131x_dbginfo); +} + +/** + * NICReturnRFD - Recycle a RFD and put it back onto the receive list + * @pAdapter: pointer to our adapter + * @pMpRfd: pointer to the RFD + */ +void nic_return_rfd(struct et131x_adapter *pAdapter, PMP_RFD pMpRfd) +{ + struct _rx_ring_t *pRxLocal = &pAdapter->RxRing; + struct _RXDMA_t __iomem *pRxDma = &pAdapter->CSRAddress->rxdma; + uint16_t bi = pMpRfd->iBufferIndex; + uint8_t ri = pMpRfd->iRingIndex; + unsigned long lockflags; + + DBG_RX_ENTER(et131x_dbginfo); + + /* We don't use any of the OOB data besides status. Otherwise, we + * need to clean up OOB data + */ + if ( +#ifdef USE_FBR0 + (ri == 0 && bi < pRxLocal->Fbr0NumEntries) || +#endif + (ri == 1 && bi < pRxLocal->Fbr1NumEntries)) { + spin_lock_irqsave(&pAdapter->FbrLock, lockflags); + + if (ri == 1) { + PFBR_DESC_t pNextDesc = + (PFBR_DESC_t) (pRxLocal->pFbr1RingVa) + + pRxLocal->local_Fbr1_full.bits.val; + + /* Handle the Free Buffer Ring advancement here. Write + * the PA / Buffer Index for the returned buffer into + * the oldest (next to be freed)FBR entry + */ + pNextDesc->addr_hi = pRxLocal->Fbr[1]->PAHigh[bi]; + pNextDesc->addr_lo = pRxLocal->Fbr[1]->PALow[bi]; + pNextDesc->word2.value = bi; + + if (++pRxLocal->local_Fbr1_full.bits.val > + (pRxLocal->Fbr1NumEntries - 1)) { + pRxLocal->local_Fbr1_full.bits.val = 0; + pRxLocal->local_Fbr1_full.bits.wrap ^= 1; + } + + writel(pRxLocal->local_Fbr1_full.value, + &pRxDma->fbr1_full_offset.value); + } +#ifdef USE_FBR0 + else { + PFBR_DESC_t pNextDesc = + (PFBR_DESC_t) pRxLocal->pFbr0RingVa + + pRxLocal->local_Fbr0_full.bits.val; + + /* Handle the Free Buffer Ring advancement here. Write + * the PA / Buffer Index for the returned buffer into + * the oldest (next to be freed) FBR entry + */ + pNextDesc->addr_hi = pRxLocal->Fbr[0]->PAHigh[bi]; + pNextDesc->addr_lo = pRxLocal->Fbr[0]->PALow[bi]; + pNextDesc->word2.value = bi; + + if (++pRxLocal->local_Fbr0_full.bits.val > + (pRxLocal->Fbr0NumEntries - 1)) { + pRxLocal->local_Fbr0_full.bits.val = 0; + pRxLocal->local_Fbr0_full.bits.wrap ^= 1; + } + + writel(pRxLocal->local_Fbr0_full.value, + &pRxDma->fbr0_full_offset.value); + } +#endif + spin_unlock_irqrestore(&pAdapter->FbrLock, lockflags); + } else { + DBG_ERROR(et131x_dbginfo, + "NICReturnRFD illegal Buffer Index returned\n"); + } + + /* The processing on this RFD is done, so put it back on the tail of + * our list + */ + spin_lock_irqsave(&pAdapter->RcvLock, lockflags); + list_add_tail(&pMpRfd->list_node, &pRxLocal->RecvList); + pRxLocal->nReadyRecv++; + spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags); + + DBG_ASSERT(pRxLocal->nReadyRecv <= pRxLocal->NumRfd); + DBG_RX_LEAVE(et131x_dbginfo); +} diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h new file mode 100644 index 000000000000..ea66dbcd8dfc --- /dev/null +++ b/drivers/staging/et131x/et1310_rx.h @@ -0,0 +1,373 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_rx.h - Defines, structs, enums, prototypes, etc. pertaining to data + * reception. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET1310_RX_H__ +#define __ET1310_RX_H__ + +#include "et1310_address_map.h" + +#define USE_FBR0 true + +#ifdef USE_FBR0 +//#define FBR0_BUFFER_SIZE 256 +#endif + +//#define FBR1_BUFFER_SIZE 2048 + +#define FBR_CHUNKS 32 + +#define MAX_DESC_PER_RING_RX 1024 + +/* number of RFDs - default and min */ +#ifdef USE_FBR0 +#define RFD_LOW_WATER_MARK 40 +#define NIC_MIN_NUM_RFD 64 +#define NIC_DEFAULT_NUM_RFD 1024 +#else +#define RFD_LOW_WATER_MARK 20 +#define NIC_MIN_NUM_RFD 64 +#define NIC_DEFAULT_NUM_RFD 256 +#endif + +#define NUM_PACKETS_HANDLED 256 + +#define ALCATEL_BAD_STATUS 0xe47f0000 +#define ALCATEL_MULTICAST_PKT 0x01000000 +#define ALCATEL_BROADCAST_PKT 0x02000000 + +/* typedefs for Free Buffer Descriptors */ +typedef union _FBR_WORD2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 reserved:22; // bits 10-31 + u32 bi:10; // bits 0-9(Buffer Index) +#else + u32 bi:10; // bits 0-9(Buffer Index) + u32 reserved:22; // bit 10-31 +#endif + } bits; +} FBR_WORD2_t, *PFBR_WORD2_t; + +typedef struct _FBR_DESC_t { + u32 addr_lo; + u32 addr_hi; + FBR_WORD2_t word2; +} FBR_DESC_t, *PFBR_DESC_t; + +/* Typedefs for Packet Status Ring Descriptors */ +typedef union _PKT_STAT_DESC_WORD0_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + // top 16 bits are from the Alcatel Status Word as enumerated in + // PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2) +#if 0 + u32 asw_trunc:1; // bit 31(Rx frame truncated) +#endif + u32 asw_long_evt:1; // bit 31(Rx long event) + u32 asw_VLAN_tag:1; // bit 30(VLAN tag detected) + u32 asw_unsupported_op:1; // bit 29(unsupported OP code) + u32 asw_pause_frame:1; // bit 28(is a pause frame) + u32 asw_control_frame:1; // bit 27(is a control frame) + u32 asw_dribble_nibble:1; // bit 26(spurious bits after EOP) + u32 asw_broadcast:1; // bit 25(has a broadcast address) + u32 asw_multicast:1; // bit 24(has a multicast address) + u32 asw_OK:1; // bit 23(valid CRC + no code error) + u32 asw_too_long:1; // bit 22(frame length > 1518 bytes) + u32 asw_len_chk_err:1; // bit 21(frame length field incorrect) + u32 asw_CRC_err:1; // bit 20(CRC error) + u32 asw_code_err:1; // bit 19(one or more nibbles signalled as errors) + u32 asw_false_carrier_event:1; // bit 18(bad carrier since last good packet) + u32 asw_RX_DV_event:1; // bit 17(short receive event detected) + u32 asw_prev_pkt_dropped:1;// bit 16(e.g. IFG too small on previous) + u32 unused:5; // bits 11-15 + u32 vp:1; // bit 10(VLAN Packet) + u32 jp:1; // bit 9(Jumbo Packet) + u32 ft:1; // bit 8(Frame Truncated) + u32 drop:1; // bit 7(Drop packet) + u32 rxmac_error:1; // bit 6(RXMAC Error Indicator) + u32 wol:1; // bit 5(WOL Event) + u32 tcpp:1; // bit 4(TCP checksum pass) + u32 tcpa:1; // bit 3(TCP checksum assist) + u32 ipp:1; // bit 2(IP checksum pass) + u32 ipa:1; // bit 1(IP checksum assist) + u32 hp:1; // bit 0(hash pass) +#else + u32 hp:1; // bit 0(hash pass) + u32 ipa:1; // bit 1(IP checksum assist) + u32 ipp:1; // bit 2(IP checksum pass) + u32 tcpa:1; // bit 3(TCP checksum assist) + u32 tcpp:1; // bit 4(TCP checksum pass) + u32 wol:1; // bit 5(WOL Event) + u32 rxmac_error:1; // bit 6(RXMAC Error Indicator) + u32 drop:1; // bit 7(Drop packet) + u32 ft:1; // bit 8(Frame Truncated) + u32 jp:1; // bit 9(Jumbo Packet) + u32 vp:1; // bit 10(VLAN Packet) + u32 unused:5; // bits 11-15 + u32 asw_prev_pkt_dropped:1;// bit 16(e.g. IFG too small on previous) + u32 asw_RX_DV_event:1; // bit 17(short receive event detected) + u32 asw_false_carrier_event:1; // bit 18(bad carrier since last good packet) + u32 asw_code_err:1; // bit 19(one or more nibbles signalled as errors) + u32 asw_CRC_err:1; // bit 20(CRC error) + u32 asw_len_chk_err:1; // bit 21(frame length field incorrect) + u32 asw_too_long:1; // bit 22(frame length > 1518 bytes) + u32 asw_OK:1; // bit 23(valid CRC + no code error) + u32 asw_multicast:1; // bit 24(has a multicast address) + u32 asw_broadcast:1; // bit 25(has a broadcast address) + u32 asw_dribble_nibble:1; // bit 26(spurious bits after EOP) + u32 asw_control_frame:1; // bit 27(is a control frame) + u32 asw_pause_frame:1; // bit 28(is a pause frame) + u32 asw_unsupported_op:1; // bit 29(unsupported OP code) + u32 asw_VLAN_tag:1; // bit 30(VLAN tag detected) + u32 asw_long_evt:1; // bit 31(Rx long event) +#if 0 + u32 asw_trunc:1; // bit 31(Rx frame truncated) +#endif +#endif + } bits; +} PKT_STAT_DESC_WORD0_t, *PPKT_STAT_WORD0_t; + +typedef union _PKT_STAT_DESC_WORD1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:4; // bits 28-31 + u32 ri:2; // bits 26-27(Ring Index) + u32 bi:10; // bits 16-25(Buffer Index) + u32 length:16; // bit 0-15(length in bytes) +#else + u32 length:16; // bit 0-15(length in bytes) + u32 bi:10; // bits 16-25(Buffer Index) + u32 ri:2; // bits 26-27(Ring Index) + u32 unused:4; // bits 28-31 +#endif + } bits; +} PKT_STAT_DESC_WORD1_t, *PPKT_STAT_WORD1_t; + +typedef struct _PKT_STAT_DESC_t { + PKT_STAT_DESC_WORD0_t word0; + PKT_STAT_DESC_WORD1_t word1; +} PKT_STAT_DESC_t, *PPKT_STAT_DESC_t; + +/* Typedefs for the RX DMA status word */ + +/* + * RXSTAT_WORD0_t structure holds part of the status bits of the Rx DMA engine + * that get copied out to memory by the ET-1310. Word 0 is a 32 bit word + * whichcontains Free Buffer ring 0 and 1 available offset. + */ +typedef union _rxstat_word0_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 FBR1unused:5; // bits 27-31 + u32 FBR1wrap:1; // bit 26 + u32 FBR1offset:10; // bits 16-25 + u32 FBR0unused:5; // bits 11-15 + u32 FBR0wrap:1; // bit 10 + u32 FBR0offset:10; // bits 0-9 +#else + u32 FBR0offset:10; // bits 0-9 + u32 FBR0wrap:1; // bit 10 + u32 FBR0unused:5; // bits 11-15 + u32 FBR1offset:10; // bits 16-25 + u32 FBR1wrap:1; // bit 26 + u32 FBR1unused:5; // bits 27-31 +#endif + } bits; +} RXSTAT_WORD0_t, *PRXSTAT_WORD0_t; + +/* + * RXSTAT_WORD1_t structure holds part of the status bits of the Rx DMA engine + * that get copied out to memory by the ET-1310. Word 3 is a 32 bit word + * which contains the Packet Status Ring available offset. + */ +typedef union _rxstat_word1_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 PSRunused:3; // bits 29-31 + u32 PSRwrap:1; // bit 28 + u32 PSRoffset:12; // bits 16-27 + u32 reserved:16; // bits 0-15 +#else + u32 reserved:16; // bits 0-15 + u32 PSRoffset:12; // bits 16-27 + u32 PSRwrap:1; // bit 28 + u32 PSRunused:3; // bits 29-31 +#endif + } bits; +} RXSTAT_WORD1_t, *PRXSTAT_WORD1_t; + +/* + * RX_STATUS_BLOCK_t is sructure representing the status of the Rx DMA engine + * it sits in free memory, and is pointed to by 0x101c / 0x1020 + */ +typedef struct _rx_status_block_t { + RXSTAT_WORD0_t Word0; + RXSTAT_WORD1_t Word1; +} RX_STATUS_BLOCK_t, *PRX_STATUS_BLOCK_t; + +/* + * Structure for look-up table holding free buffer ring pointers + */ +typedef struct _FbrLookupTable { + void *Va[MAX_DESC_PER_RING_RX]; + void *Buffer1[MAX_DESC_PER_RING_RX]; + void *Buffer2[MAX_DESC_PER_RING_RX]; + u32 PAHigh[MAX_DESC_PER_RING_RX]; + u32 PALow[MAX_DESC_PER_RING_RX]; +} FBRLOOKUPTABLE, *PFBRLOOKUPTABLE; + +typedef enum { + ONE_PACKET_INTERRUPT, + FOUR_PACKET_INTERRUPT +} eRX_INTERRUPT_STATE_t, *PeRX_INTERRUPT_STATE_t; + +/* + * Structure to hold the skb's in a list + */ +typedef struct rx_skb_list_elem { + struct list_head skb_list_elem; + dma_addr_t dma_addr; + struct sk_buff *skb; +} RX_SKB_LIST_ELEM, *PRX_SKB_LIST_ELEM; + +/* + * RX_RING_t is sructure representing the adaptor's local reference(s) to the + * rings + */ +typedef struct _rx_ring_t { +#ifdef USE_FBR0 + void *pFbr0RingVa; + dma_addr_t pFbr0RingPa; + void *Fbr0MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; + dma_addr_t Fbr0MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; + uint64_t Fbr0Realpa; + uint64_t Fbr0offset; + DMA10W_t local_Fbr0_full; + u32 Fbr0NumEntries; + u32 Fbr0BufferSize; +#endif + void *pFbr1RingVa; + dma_addr_t pFbr1RingPa; + void *Fbr1MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; + dma_addr_t Fbr1MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; + uint64_t Fbr1Realpa; + uint64_t Fbr1offset; + FBRLOOKUPTABLE *Fbr[2]; + DMA10W_t local_Fbr1_full; + u32 Fbr1NumEntries; + u32 Fbr1BufferSize; + + void *pPSRingVa; + dma_addr_t pPSRingPa; + uint64_t pPSRingRealPa; + uint64_t pPSRingOffset; + RXDMA_PSR_FULL_OFFSET_t local_psr_full; + u32 PsrNumEntries; + + void *pRxStatusVa; + dma_addr_t pRxStatusPa; + uint64_t RxStatusRealPA; + uint64_t RxStatusOffset; + + struct list_head RecvBufferPool; + + /* RECV */ + struct list_head RecvList; + struct list_head RecvPendingList; + u32 nReadyRecv; + + u32 NumRfd; + + bool UnfinishedReceives; + + struct list_head RecvPacketPool; + + /* lookaside lists */ + struct kmem_cache *RecvLookaside; +} RX_RING_t, *PRX_RING_t; + +/* Forward reference of RFD */ +struct _MP_RFD; + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +/* PROTOTYPES for Initialization */ +int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter); +void et131x_rx_dma_memory_free(struct et131x_adapter *adapter); +int et131x_rfd_resources_alloc(struct et131x_adapter *adapter, + struct _MP_RFD *pMpRfd); +void et131x_rfd_resources_free(struct et131x_adapter *adapter, + struct _MP_RFD *pMpRfd); +int et131x_init_recv(struct et131x_adapter *adapter); + +void ConfigRxDmaRegs(struct et131x_adapter *adapter); +void SetRxDmaTimer(struct et131x_adapter *adapter); +void et131x_rx_dma_disable(struct et131x_adapter *adapter); +void et131x_rx_dma_enable(struct et131x_adapter *adapter); + +void et131x_reset_recv(struct et131x_adapter *adapter); + +void et131x_handle_recv_interrupt(struct et131x_adapter *adapter); + +#endif /* __ET1310_RX_H__ */ diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c new file mode 100644 index 000000000000..a95c2608a0c0 --- /dev/null +++ b/drivers/staging/et131x/et1310_tx.c @@ -0,0 +1,1525 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_tx.c - Routines used to perform data transmission. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" +#include "et131x_isr.h" + +#include "et1310_tx.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +static void et131x_update_tcb_list(struct et131x_adapter *pAdapter); +static void et131x_check_send_wait_list(struct et131x_adapter *pAdapter); +static inline void et131x_free_send_packet(struct et131x_adapter *pAdapter, + PMP_TCB pMpTcb); +static int et131x_send_packet(struct sk_buff *skb, + struct et131x_adapter *pAdapter); +static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb); + +/** + * et131x_tx_dma_memory_alloc + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success and errno on failure (as defined in errno.h). + * + * Allocates memory that will be visible both to the device and to the CPU. + * The OS will pass us packets, pointers to which we will insert in the Tx + * Descriptor queue. The device will read this queue to find the packets in + * memory. The device will update the "status" in memory each time it xmits a + * packet. + */ +int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) +{ + int desc_size = 0; + TX_RING_t *tx_ring = &adapter->TxRing; + + DBG_ENTER(et131x_dbginfo); + + /* Allocate memory for the TCB's (Transmit Control Block) */ + adapter->TxRing.MpTcbMem = (MP_TCB *) kcalloc(NUM_TCB, sizeof(MP_TCB), + GFP_ATOMIC | GFP_DMA); + if (!adapter->TxRing.MpTcbMem) { + DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for TCBs\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Allocate enough memory for the Tx descriptor ring, and allocate + * some extra so that the ring can be aligned on a 4k boundary. + */ + desc_size = (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1; + tx_ring->pTxDescRingVa = + (PTX_DESC_ENTRY_t) pci_alloc_consistent(adapter->pdev, desc_size, + &tx_ring->pTxDescRingPa); + if (!adapter->TxRing.pTxDescRingVa) { + DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for Tx Ring\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Save physical address + * + * NOTE: pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here before + * storing the adjusted address. + */ + tx_ring->pTxDescRingAdjustedPa = tx_ring->pTxDescRingPa; + + /* Align Tx Descriptor Ring on a 4k (0x1000) byte boundary */ + et131x_align_allocated_memory(adapter, + &tx_ring->pTxDescRingAdjustedPa, + &tx_ring->TxDescOffset, 0x0FFF); + + tx_ring->pTxDescRingVa += tx_ring->TxDescOffset; + + /* Allocate memory for the Tx status block */ + tx_ring->pTxStatusVa = pci_alloc_consistent(adapter->pdev, + sizeof(TX_STATUS_BLOCK_t), + &tx_ring->pTxStatusPa); + if (!adapter->TxRing.pTxStatusPa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Tx status block\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + /* Allocate memory for a dummy buffer */ + tx_ring->pTxDummyBlkVa = pci_alloc_consistent(adapter->pdev, + NIC_MIN_PACKET_SIZE, + &tx_ring->pTxDummyBlkPa); + if (!adapter->TxRing.pTxDummyBlkPa) { + DBG_ERROR(et131x_dbginfo, + "Cannot alloc memory for Tx dummy buffer\n"); + DBG_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + DBG_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * et131x_tx_dma_memory_free - Free all memory allocated within this module + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success and errno on failure (as defined in errno.h). + */ +void et131x_tx_dma_memory_free(struct et131x_adapter *adapter) +{ + int desc_size = 0; + + DBG_ENTER(et131x_dbginfo); + + if (adapter->TxRing.pTxDescRingVa) { + /* Free memory relating to Tx rings here */ + adapter->TxRing.pTxDescRingVa -= adapter->TxRing.TxDescOffset; + + desc_size = + (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1; + + pci_free_consistent(adapter->pdev, + desc_size, + adapter->TxRing.pTxDescRingVa, + adapter->TxRing.pTxDescRingPa); + + adapter->TxRing.pTxDescRingVa = NULL; + } + + /* Free memory for the Tx status block */ + if (adapter->TxRing.pTxStatusVa) { + pci_free_consistent(adapter->pdev, + sizeof(TX_STATUS_BLOCK_t), + adapter->TxRing.pTxStatusVa, + adapter->TxRing.pTxStatusPa); + + adapter->TxRing.pTxStatusVa = NULL; + } + + /* Free memory for the dummy buffer */ + if (adapter->TxRing.pTxDummyBlkVa) { + pci_free_consistent(adapter->pdev, + NIC_MIN_PACKET_SIZE, + adapter->TxRing.pTxDummyBlkVa, + adapter->TxRing.pTxDummyBlkPa); + + adapter->TxRing.pTxDummyBlkVa = NULL; + } + + /* Free the memory for MP_TCB structures */ + if (adapter->TxRing.MpTcbMem) { + kfree(adapter->TxRing.MpTcbMem); + adapter->TxRing.MpTcbMem = NULL; + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * ConfigTxDmaRegs - Set up the tx dma section of the JAGCore. + * @adapter: pointer to our private adapter structure + */ +void ConfigTxDmaRegs(struct et131x_adapter *pAdapter) +{ + struct _TXDMA_t __iomem *pTxDma = &pAdapter->CSRAddress->txdma; + + DBG_ENTER(et131x_dbginfo); + + /* Load the hardware with the start of the transmit descriptor ring. */ + writel((uint32_t) (pAdapter->TxRing.pTxDescRingAdjustedPa >> 32), + &pTxDma->pr_base_hi); + writel((uint32_t) pAdapter->TxRing.pTxDescRingAdjustedPa, + &pTxDma->pr_base_lo); + + /* Initialise the transmit DMA engine */ + writel(NUM_DESC_PER_RING_TX - 1, &pTxDma->pr_num_des.value); + + /* Load the completion writeback physical address + * + * NOTE: pci_alloc_consistent(), used above to alloc DMA regions, + * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses + * are ever returned, make sure the high part is retrieved here before + * storing the adjusted address. + */ + writel(0, &pTxDma->dma_wb_base_hi); + writel(pAdapter->TxRing.pTxStatusPa, &pTxDma->dma_wb_base_lo); + + memset(pAdapter->TxRing.pTxStatusVa, 0, sizeof(TX_STATUS_BLOCK_t)); + + writel(0, &pTxDma->service_request.value); + pAdapter->TxRing.txDmaReadyToSend.value = 0; + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_tx_dma_disable - Stop of Tx_DMA on the ET1310 + * @pAdapter: pointer to our adapter structure + */ +void et131x_tx_dma_disable(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Setup the tramsmit dma configuration register */ + writel(0x101, &pAdapter->CSRAddress->txdma.csr.value); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_tx_dma_enable - re-start of Tx_DMA on the ET1310. + * @pAdapter: pointer to our adapter structure + * + * Mainly used after a return to the D0 (full-power) state from a lower state. + */ +void et131x_tx_dma_enable(struct et131x_adapter *pAdapter) +{ + DBG_ENTER(et131x_dbginfo); + + if (pAdapter->RegistryPhyLoopbk) { + /* TxDMA is disabled for loopback operation. */ + writel(0x101, &pAdapter->CSRAddress->txdma.csr.value); + } else { + TXDMA_CSR_t csr = { 0 }; + + /* Setup the transmit dma configuration register for normal + * operation + */ + csr.bits.sngl_epkt_mode = 1; + csr.bits.halt = 0; + csr.bits.cache_thrshld = pAdapter->RegistryDMACache; + writel(csr.value, &pAdapter->CSRAddress->txdma.csr.value); + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_init_send - Initialize send data structures + * @adapter: pointer to our private adapter structure + */ +void et131x_init_send(struct et131x_adapter *adapter) +{ + PMP_TCB pMpTcb; + uint32_t TcbCount; + TX_RING_t *tx_ring; + + DBG_ENTER(et131x_dbginfo); + + /* Setup some convenience pointers */ + tx_ring = &adapter->TxRing; + pMpTcb = adapter->TxRing.MpTcbMem; + + tx_ring->TCBReadyQueueHead = pMpTcb; + + /* Go through and set up each TCB */ + for (TcbCount = 0; TcbCount < NUM_TCB; TcbCount++) { + memset(pMpTcb, 0, sizeof(MP_TCB)); + + /* Set the link pointer in HW TCB to the next TCB in the + * chain. If this is the last TCB in the chain, also set the + * tail pointer. + */ + if (TcbCount < NUM_TCB - 1) { + pMpTcb->Next = pMpTcb + 1; + } else { + tx_ring->TCBReadyQueueTail = pMpTcb; + pMpTcb->Next = (PMP_TCB) NULL; + } + + pMpTcb++; + } + + /* Curr send queue should now be empty */ + tx_ring->CurrSendHead = (PMP_TCB) NULL; + tx_ring->CurrSendTail = (PMP_TCB) NULL; + + INIT_LIST_HEAD(&adapter->TxRing.SendWaitQueue); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_send_packets - This function is called by the OS to send packets + * @skb: the packet(s) to send + * @netdev:device on which to TX the above packet(s) + * + * Return 0 in almost all cases; non-zero value in extreme hard failure only + */ +int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev) +{ + int status = 0; + struct et131x_adapter *pAdapter = NULL; + + DBG_TX_ENTER(et131x_dbginfo); + + pAdapter = netdev_priv(netdev); + + /* Send these packets + * + * NOTE: The Linux Tx entry point is only given one packet at a time + * to Tx, so the PacketCount and it's array used makes no sense here + */ + + /* Queue is not empty or TCB is not available */ + if (!list_empty(&pAdapter->TxRing.SendWaitQueue) || + MP_TCB_RESOURCES_NOT_AVAILABLE(pAdapter)) { + /* NOTE: If there's an error on send, no need to queue the + * packet under Linux; if we just send an error up to the + * netif layer, it will resend the skb to us. + */ + DBG_VERBOSE(et131x_dbginfo, "TCB Resources Not Available\n"); + status = -ENOMEM; + } else { + /* We need to see if the link is up; if it's not, make the + * netif layer think we're good and drop the packet + */ + //if( MP_SHOULD_FAIL_SEND( pAdapter ) || pAdapter->DriverNoPhyAccess ) + if (MP_SHOULD_FAIL_SEND(pAdapter) || pAdapter->DriverNoPhyAccess + || !netif_carrier_ok(netdev)) { + DBG_VERBOSE(et131x_dbginfo, + "Can't Tx, Link is DOWN; drop the packet\n"); + + dev_kfree_skb_any(skb); + skb = NULL; + + pAdapter->net_stats.tx_dropped++; + } else { + status = et131x_send_packet(skb, pAdapter); + + if (status == -ENOMEM) { + + /* NOTE: If there's an error on send, no need + * to queue the packet under Linux; if we just + * send an error up to the netif layer, it + * will resend the skb to us. + */ + DBG_WARNING(et131x_dbginfo, + "Resources problem, Queue tx packet\n"); + } else if (status != 0) { + /* On any other error, make netif think we're + * OK and drop the packet + */ + DBG_WARNING(et131x_dbginfo, + "General error, drop packet\n"); + + dev_kfree_skb_any(skb); + skb = NULL; + + pAdapter->net_stats.tx_dropped++; + } + } + } + + DBG_TX_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_send_packet - Do the work to send a packet + * @skb: the packet(s) to send + * @pAdapter: a pointer to the device's private adapter structure + * + * Return 0 in almost all cases; non-zero value in extreme hard failure only. + * + * Assumption: Send spinlock has been acquired + */ +static int et131x_send_packet(struct sk_buff *skb, + struct et131x_adapter *pAdapter) +{ + int status = 0; + PMP_TCB pMpTcb = NULL; + uint16_t *pShBufVa; + unsigned long lockflags; + + DBG_TX_ENTER(et131x_dbginfo); + + /* Is our buffer scattered, or continuous? */ + if (skb_shinfo(skb)->nr_frags == 0) { + DBG_TX(et131x_dbginfo, "Scattered buffer: NO\n"); + } else { + DBG_TX(et131x_dbginfo, "Scattered buffer: YES, Num Frags: %d\n", + skb_shinfo(skb)->nr_frags); + } + + /* All packets must have at least a MAC address and a protocol type */ + if (skb->len < ETH_HLEN) { + DBG_ERROR(et131x_dbginfo, + "Packet size < ETH_HLEN (14 bytes)\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* Get a TCB for this packet */ + spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags); + + pMpTcb = pAdapter->TxRing.TCBReadyQueueHead; + + if (pMpTcb == NULL) { + spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags); + + DBG_WARNING(et131x_dbginfo, "Can't obtain a TCB\n"); + DBG_TX_LEAVE(et131x_dbginfo); + return -ENOMEM; + } + + pAdapter->TxRing.TCBReadyQueueHead = pMpTcb->Next; + + if (pAdapter->TxRing.TCBReadyQueueHead == NULL) { + pAdapter->TxRing.TCBReadyQueueTail = NULL; + } + + spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags); + + pMpTcb->PacketLength = skb->len; + pMpTcb->Packet = skb; + + if ((skb->data != NULL) && ((skb->len - skb->data_len) >= 6)) { + pShBufVa = (uint16_t *) skb->data; + + if ((pShBufVa[0] == 0xffff) && + (pShBufVa[1] == 0xffff) && (pShBufVa[2] == 0xffff)) { + MP_SET_FLAG(pMpTcb, fMP_DEST_BROAD); + } else if ((pShBufVa[0] & 0x3) == 0x0001) { + MP_SET_FLAG(pMpTcb, fMP_DEST_MULTI); + } + } + + pMpTcb->Next = NULL; + + /* Call the NIC specific send handler. */ + if (status == 0) { + status = nic_send_packet(pAdapter, pMpTcb); + } + + if (status != 0) { + spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags); + + if (pAdapter->TxRing.TCBReadyQueueTail) { + pAdapter->TxRing.TCBReadyQueueTail->Next = pMpTcb; + } else { + /* Apparently ready Q is empty. */ + pAdapter->TxRing.TCBReadyQueueHead = pMpTcb; + } + + pAdapter->TxRing.TCBReadyQueueTail = pMpTcb; + + spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags); + + DBG_TX_LEAVE(et131x_dbginfo); + return status; + } + + DBG_ASSERT(pAdapter->TxRing.nBusySend <= NUM_TCB); + + DBG_TX_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * nic_send_packet - NIC specific send handler for version B silicon. + * @pAdapter: pointer to our adapter + * @pMpTcb: pointer to MP_TCB + * + * Returns 0 or errno. + */ +static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb) +{ + uint32_t loopIndex; + TX_DESC_ENTRY_t CurDesc[24]; + uint32_t FragmentNumber = 0; + uint32_t iThisCopy, iRemainder; + struct sk_buff *pPacket = pMpTcb->Packet; + uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1; + struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0]; + unsigned long lockflags1, lockflags2; + + DBG_TX_ENTER(et131x_dbginfo); + + /* Part of the optimizations of this send routine restrict us to + * sending 24 fragments at a pass. In practice we should never see + * more than 5 fragments. + * + * NOTE: The older version of this function (below) can handle any + * number of fragments. If needed, we can call this function, + * although it is less efficient. + */ + if (FragListCount > 23) { + DBG_TX_LEAVE(et131x_dbginfo); + return -EIO; + } + + memset(CurDesc, 0, sizeof(TX_DESC_ENTRY_t) * (FragListCount + 1)); + + for (loopIndex = 0; loopIndex < FragListCount; loopIndex++) { + /* If there is something in this element, lets get a + * descriptor from the ring and get the necessary data + */ + if (loopIndex == 0) { + /* If the fragments are smaller than a standard MTU, + * then map them to a single descriptor in the Tx + * Desc ring. However, if they're larger, as is + * possible with support for jumbo packets, then + * split them each across 2 descriptors. + * + * This will work until we determine why the hardware + * doesn't seem to like large fragments. + */ + if ((pPacket->len - pPacket->data_len) <= 1514) { + DBG_TX(et131x_dbginfo, + "Got packet of length %d, " + "filling desc entry %d, " + "TCB: 0x%p\n", + (pPacket->len - pPacket->data_len), + pAdapter->TxRing.txDmaReadyToSend.bits. + val, pMpTcb); + + CurDesc[FragmentNumber].DataBufferPtrHigh = 0; + + CurDesc[FragmentNumber].word2.bits. + length_in_bytes = + pPacket->len - pPacket->data_len; + + /* NOTE: Here, the dma_addr_t returned from + * pci_map_single() is implicitly cast as a + * uint32_t. Although dma_addr_t can be + * 64-bit, the address returned by + * pci_map_single() is always 32-bit + * addressable (as defined by the pci/dma + * subsystem) + */ + CurDesc[FragmentNumber++].DataBufferPtrLow = + pci_map_single(pAdapter->pdev, + pPacket->data, + pPacket->len - + pPacket->data_len, + PCI_DMA_TODEVICE); + } else { + DBG_TX(et131x_dbginfo, + "Got packet of length %d, " + "filling desc entry %d, " + "TCB: 0x%p\n", + (pPacket->len - pPacket->data_len), + pAdapter->TxRing.txDmaReadyToSend.bits. + val, pMpTcb); + + CurDesc[FragmentNumber].DataBufferPtrHigh = 0; + + CurDesc[FragmentNumber].word2.bits. + length_in_bytes = + ((pPacket->len - pPacket->data_len) / 2); + + /* NOTE: Here, the dma_addr_t returned from + * pci_map_single() is implicitly cast as a + * uint32_t. Although dma_addr_t can be + * 64-bit, the address returned by + * pci_map_single() is always 32-bit + * addressable (as defined by the pci/dma + * subsystem) + */ + CurDesc[FragmentNumber++].DataBufferPtrLow = + pci_map_single(pAdapter->pdev, + pPacket->data, + ((pPacket->len - + pPacket->data_len) / 2), + PCI_DMA_TODEVICE); + CurDesc[FragmentNumber].DataBufferPtrHigh = 0; + + CurDesc[FragmentNumber].word2.bits. + length_in_bytes = + ((pPacket->len - pPacket->data_len) / 2); + + /* NOTE: Here, the dma_addr_t returned from + * pci_map_single() is implicitly cast as a + * uint32_t. Although dma_addr_t can be + * 64-bit, the address returned by + * pci_map_single() is always 32-bit + * addressable (as defined by the pci/dma + * subsystem) + */ + CurDesc[FragmentNumber++].DataBufferPtrLow = + pci_map_single(pAdapter->pdev, + pPacket->data + + ((pPacket->len - + pPacket->data_len) / 2), + ((pPacket->len - + pPacket->data_len) / 2), + PCI_DMA_TODEVICE); + } + } else { + DBG_TX(et131x_dbginfo, + "Got packet of length %d," + "filling desc entry %d\n" + "TCB: 0x%p\n", + pFragList[loopIndex].size, + pAdapter->TxRing.txDmaReadyToSend.bits.val, + pMpTcb); + + CurDesc[FragmentNumber].DataBufferPtrHigh = 0; + + CurDesc[FragmentNumber].word2.bits.length_in_bytes = + pFragList[loopIndex - 1].size; + + /* NOTE: Here, the dma_addr_t returned from + * pci_map_page() is implicitly cast as a uint32_t. + * Although dma_addr_t can be 64-bit, the address + * returned by pci_map_page() is always 32-bit + * addressable (as defined by the pci/dma subsystem) + */ + CurDesc[FragmentNumber++].DataBufferPtrLow = + pci_map_page(pAdapter->pdev, + pFragList[loopIndex - 1].page, + pFragList[loopIndex - 1].page_offset, + pFragList[loopIndex - 1].size, + PCI_DMA_TODEVICE); + } + } + + if (FragmentNumber == 0) { + DBG_WARNING(et131x_dbginfo, "No. frags is 0\n"); + return -EIO; + } + + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) { + if (++pAdapter->TxRing.TxPacketsSinceLastinterrupt == + pAdapter->RegistryTxNumBuffers) { + CurDesc[FragmentNumber - 1].word3.value = 0x5; + pAdapter->TxRing.TxPacketsSinceLastinterrupt = 0; + } else { + CurDesc[FragmentNumber - 1].word3.value = 0x1; + } + } else { + CurDesc[FragmentNumber - 1].word3.value = 0x5; + } + + CurDesc[0].word3.bits.f = 1; + + pMpTcb->WrIndexStart = pAdapter->TxRing.txDmaReadyToSend; + pMpTcb->PacketStaleCount = 0; + + spin_lock_irqsave(&pAdapter->SendHWLock, lockflags1); + + iThisCopy = + NUM_DESC_PER_RING_TX - pAdapter->TxRing.txDmaReadyToSend.bits.val; + + if (iThisCopy >= FragmentNumber) { + iRemainder = 0; + iThisCopy = FragmentNumber; + } else { + iRemainder = FragmentNumber - iThisCopy; + } + + memcpy(pAdapter->TxRing.pTxDescRingVa + + pAdapter->TxRing.txDmaReadyToSend.bits.val, CurDesc, + sizeof(TX_DESC_ENTRY_t) * iThisCopy); + + pAdapter->TxRing.txDmaReadyToSend.bits.val += iThisCopy; + + if ((pAdapter->TxRing.txDmaReadyToSend.bits.val == 0) || + (pAdapter->TxRing.txDmaReadyToSend.bits.val == + NUM_DESC_PER_RING_TX)) { + if (pAdapter->TxRing.txDmaReadyToSend.bits.wrap) { + pAdapter->TxRing.txDmaReadyToSend.value = 0; + } else { + pAdapter->TxRing.txDmaReadyToSend.value = 0x400; + } + } + + if (iRemainder) { + memcpy(pAdapter->TxRing.pTxDescRingVa, + CurDesc + iThisCopy, + sizeof(TX_DESC_ENTRY_t) * iRemainder); + + pAdapter->TxRing.txDmaReadyToSend.bits.val += iRemainder; + } + + if (pAdapter->TxRing.txDmaReadyToSend.bits.val == 0) { + if (pAdapter->TxRing.txDmaReadyToSend.value) { + pMpTcb->WrIndex.value = NUM_DESC_PER_RING_TX - 1; + } else { + pMpTcb->WrIndex.value = + 0x400 | (NUM_DESC_PER_RING_TX - 1); + } + } else { + pMpTcb->WrIndex.value = + pAdapter->TxRing.txDmaReadyToSend.value - 1; + } + + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags2); + + if (pAdapter->TxRing.CurrSendTail) { + pAdapter->TxRing.CurrSendTail->Next = pMpTcb; + } else { + pAdapter->TxRing.CurrSendHead = pMpTcb; + } + + pAdapter->TxRing.CurrSendTail = pMpTcb; + + DBG_ASSERT(pMpTcb->Next == NULL); + + pAdapter->TxRing.nBusySend++; + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags2); + + /* Write the new write pointer back to the device. */ + writel(pAdapter->TxRing.txDmaReadyToSend.value, + &pAdapter->CSRAddress->txdma.service_request.value); + + /* For Gig only, we use Tx Interrupt coalescing. Enable the software + * timer to wake us up if this packet isn't followed by N more. + */ + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) { + writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO, + &pAdapter->CSRAddress->global.watchdog_timer); + } + + spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1); + + DBG_TX_LEAVE(et131x_dbginfo); + return 0; +} + +/* + * NOTE: For now, keep this older version of NICSendPacket around for + * reference, even though it's not used + */ +#if 0 + +/** + * NICSendPacket - NIC specific send handler. + * @pAdapter: pointer to our adapter + * @pMpTcb: pointer to MP_TCB + * + * Returns 0 on succes, errno on failure. + * + * This version of the send routine is designed for version A silicon. + * Assumption - Send spinlock has been acquired. + */ +static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb) +{ + uint32_t loopIndex, fragIndex, loopEnd; + uint32_t iSplitFirstElement = 0; + uint32_t SegmentSize = 0; + TX_DESC_ENTRY_t CurDesc; + TX_DESC_ENTRY_t *CurDescPostCopy = NULL; + uint32_t SlotsAvailable; + DMA10W_t ServiceComplete; + unsigned int lockflags1, lockflags2; + struct sk_buff *pPacket = pMpTcb->Packet; + uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1; + struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0]; + + DBG_TX_ENTER(et131x_dbginfo); + + ServiceComplete.value = + readl(&pAdapter->CSRAddress->txdma.NewServiceComplete.value); + + /* + * Attempt to fix TWO hardware bugs: + * 1) NEVER write an odd number of descriptors. + * 2) If packet length is less than NIC_MIN_PACKET_SIZE, then pad the + * packet to NIC_MIN_PACKET_SIZE bytes by adding a new last + * descriptor IN HALF DUPLEX MODE ONLY + * NOTE that (2) interacts with (1). If the packet is less than + * NIC_MIN_PACKET_SIZE bytes then we will append a descriptor. + * Therefore if it is even now, it will eventually end up odd, and + * so will need adjusting. + * + * VLAN tags get involved since VLAN tags add another one or two + * segments. + */ + DBG_TX(et131x_dbginfo, + "pMpTcb->PacketLength: %d\n", pMpTcb->PacketLength); + + if ((pAdapter->uiDuplexMode == 0) + && (pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE)) { + DBG_TX(et131x_dbginfo, + "HALF DUPLEX mode AND len < MIN_PKT_SIZE\n"); + if ((FragListCount & 0x1) == 0) { + DBG_TX(et131x_dbginfo, + "Even number of descs, split 1st elem\n"); + iSplitFirstElement = 1; + //SegmentSize = pFragList[0].size / 2; + SegmentSize = (pPacket->len - pPacket->data_len) / 2; + } + } else if (FragListCount & 0x1) { + DBG_TX(et131x_dbginfo, "Odd number of descs, split 1st elem\n"); + + iSplitFirstElement = 1; + //SegmentSize = pFragList[0].size / 2; + SegmentSize = (pPacket->len - pPacket->data_len) / 2; + } + + spin_lock_irqsave(&pAdapter->SendHWLock, lockflags1); + + if (pAdapter->TxRing.txDmaReadyToSend.bits.serv_req_wrap == + ServiceComplete.bits.serv_cpl_wrap) { + /* The ring hasn't wrapped. Slots available should be + * (RING_SIZE) - the difference between the two pointers. + */ + SlotsAvailable = NUM_DESC_PER_RING_TX - + (pAdapter->TxRing.txDmaReadyToSend.bits.serv_req - + ServiceComplete.bits.serv_cpl); + } else { + /* The ring has wrapped. Slots available should be the + * difference between the two pointers. + */ + SlotsAvailable = ServiceComplete.bits.serv_cpl - + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req; + } + + if ((FragListCount + iSplitFirstElement) > SlotsAvailable) { + DBG_WARNING(et131x_dbginfo, + "Not Enough Space in Tx Desc Ring\n"); + spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1); + return -ENOMEM; + } + + loopEnd = (FragListCount) + iSplitFirstElement; + fragIndex = 0; + + DBG_TX(et131x_dbginfo, + "TCB : 0x%p\n" + "Packet (SKB) : 0x%p\t Packet->len: %d\t Packet->data_len: %d\n" + "FragListCount : %d\t iSplitFirstElement: %d\t loopEnd:%d\n", + pMpTcb, + pPacket, pPacket->len, pPacket->data_len, + FragListCount, iSplitFirstElement, loopEnd); + + for (loopIndex = 0; loopIndex < loopEnd; loopIndex++) { + if (loopIndex > iSplitFirstElement) { + fragIndex++; + } + + DBG_TX(et131x_dbginfo, + "In loop, loopIndex: %d\t fragIndex: %d\n", loopIndex, + fragIndex); + + /* If there is something in this element, let's get a + * descriptor from the ring and get the necessary data + */ + DBG_TX(et131x_dbginfo, + "Packet Length %d," + "filling desc entry %d\n", + pPacket->len, + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req); + + // NOTE - Should we do a paranoia check here to make sure the fragment + // actually has a length? It's HIGHLY unlikely the fragment would + // contain no data... + if (1) { + // NOTE - Currently always getting 32-bit addrs, and dma_addr_t is + // only 32-bit, so leave "high" ptr value out for now + CurDesc.DataBufferPtrHigh = 0; + + CurDesc.word2.value = 0; + CurDesc.word3.value = 0; + + if (fragIndex == 0) { + if (iSplitFirstElement) { + DBG_TX(et131x_dbginfo, + "Split first element: YES\n"); + + if (loopIndex == 0) { + DBG_TX(et131x_dbginfo, + "Got fragment of length %d, fragIndex: %d\n", + pPacket->len - + pPacket->data_len, + fragIndex); + DBG_TX(et131x_dbginfo, + "SegmentSize: %d\n", + SegmentSize); + + CurDesc.word2.bits. + length_in_bytes = + SegmentSize; + CurDesc.DataBufferPtrLow = + pci_map_single(pAdapter-> + pdev, + pPacket-> + data, + SegmentSize, + PCI_DMA_TODEVICE); + DBG_TX(et131x_dbginfo, + "pci_map_single() returns: 0x%08x\n", + CurDesc. + DataBufferPtrLow); + } else { + DBG_TX(et131x_dbginfo, + "Got fragment of length %d, fragIndex: %d\n", + pPacket->len - + pPacket->data_len, + fragIndex); + DBG_TX(et131x_dbginfo, + "Leftover Size: %d\n", + (pPacket->len - + pPacket->data_len - + SegmentSize)); + + CurDesc.word2.bits. + length_in_bytes = + ((pPacket->len - + pPacket->data_len) - + SegmentSize); + CurDesc.DataBufferPtrLow = + pci_map_single(pAdapter-> + pdev, + (pPacket-> + data + + SegmentSize), + (pPacket-> + len - + pPacket-> + data_len - + SegmentSize), + PCI_DMA_TODEVICE); + DBG_TX(et131x_dbginfo, + "pci_map_single() returns: 0x%08x\n", + CurDesc. + DataBufferPtrLow); + } + } else { + DBG_TX(et131x_dbginfo, + "Split first element: NO\n"); + + CurDesc.word2.bits.length_in_bytes = + pPacket->len - pPacket->data_len; + + CurDesc.DataBufferPtrLow = + pci_map_single(pAdapter->pdev, + pPacket->data, + (pPacket->len - + pPacket->data_len), + PCI_DMA_TODEVICE); + DBG_TX(et131x_dbginfo, + "pci_map_single() returns: 0x%08x\n", + CurDesc.DataBufferPtrLow); + } + } else { + + CurDesc.word2.bits.length_in_bytes = + pFragList[fragIndex - 1].size; + CurDesc.DataBufferPtrLow = + pci_map_page(pAdapter->pdev, + pFragList[fragIndex - 1].page, + pFragList[fragIndex - + 1].page_offset, + pFragList[fragIndex - 1].size, + PCI_DMA_TODEVICE); + DBG_TX(et131x_dbginfo, + "pci_map_page() returns: 0x%08x\n", + CurDesc.DataBufferPtrLow); + } + + if (loopIndex == 0) { + /* This is the first descriptor of the packet + * + * Set the "f" bit to indicate this is the + * first descriptor in the packet. + */ + DBG_TX(et131x_dbginfo, + "This is our FIRST descriptor\n"); + CurDesc.word3.bits.f = 1; + + pMpTcb->WrIndexStart = + pAdapter->TxRing.txDmaReadyToSend; + } + + if ((loopIndex == (loopEnd - 1)) && + (pAdapter->uiDuplexMode || + (pMpTcb->PacketLength >= NIC_MIN_PACKET_SIZE))) { + /* This is the Last descriptor of the packet */ + DBG_TX(et131x_dbginfo, + "THIS is our LAST descriptor\n"); + + if (pAdapter->uiLinkSpeed == + TRUEPHY_SPEED_1000MBPS) { + if (++pAdapter->TxRing. + TxPacketsSinceLastinterrupt >= + pAdapter->RegistryTxNumBuffers) { + CurDesc.word3.value = 0x5; + pAdapter->TxRing. + TxPacketsSinceLastinterrupt + = 0; + } else { + CurDesc.word3.value = 0x1; + } + } else { + CurDesc.word3.value = 0x5; + } + + /* Following index will be used during freeing + * of packet + */ + pMpTcb->WrIndex = + pAdapter->TxRing.txDmaReadyToSend; + pMpTcb->PacketStaleCount = 0; + } + + /* Copy the descriptor (filled above) into the + * descriptor ring at the next free entry. Advance + * the "next free entry" variable + */ + memcpy(pAdapter->TxRing.pTxDescRingVa + + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req, + &CurDesc, sizeof(TX_DESC_ENTRY_t)); + + CurDescPostCopy = + pAdapter->TxRing.pTxDescRingVa + + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req; + + DBG_TX(et131x_dbginfo, + "CURRENT DESCRIPTOR\n" + "\tAddress : 0x%p\n" + "\tDataBufferPtrHigh : 0x%08x\n" + "\tDataBufferPtrLow : 0x%08x\n" + "\tword2 : 0x%08x\n" + "\tword3 : 0x%08x\n", + CurDescPostCopy, + CurDescPostCopy->DataBufferPtrHigh, + CurDescPostCopy->DataBufferPtrLow, + CurDescPostCopy->word2.value, + CurDescPostCopy->word3.value); + + if (++pAdapter->TxRing.txDmaReadyToSend.bits.serv_req >= + NUM_DESC_PER_RING_TX) { + if (pAdapter->TxRing.txDmaReadyToSend.bits. + serv_req_wrap) { + pAdapter->TxRing.txDmaReadyToSend. + value = 0; + } else { + pAdapter->TxRing.txDmaReadyToSend. + value = 0x400; + } + } + } + } + + if (pAdapter->uiDuplexMode == 0 && + pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE) { + // NOTE - Same 32/64-bit issue as above... + CurDesc.DataBufferPtrHigh = 0x0; + CurDesc.DataBufferPtrLow = pAdapter->TxRing.pTxDummyBlkPa; + CurDesc.word2.value = 0; + + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) { + if (++pAdapter->TxRing.TxPacketsSinceLastinterrupt >= + pAdapter->RegistryTxNumBuffers) { + CurDesc.word3.value = 0x5; + pAdapter->TxRing.TxPacketsSinceLastinterrupt = + 0; + } else { + CurDesc.word3.value = 0x1; + } + } else { + CurDesc.word3.value = 0x5; + } + + CurDesc.word2.bits.length_in_bytes = + NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength; + + pMpTcb->WrIndex = pAdapter->TxRing.txDmaReadyToSend; + + memcpy(pAdapter->TxRing.pTxDescRingVa + + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req, + &CurDesc, sizeof(TX_DESC_ENTRY_t)); + + CurDescPostCopy = + pAdapter->TxRing.pTxDescRingVa + + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req; + + DBG_TX(et131x_dbginfo, + "CURRENT DESCRIPTOR\n" + "\tAddress : 0x%p\n" + "\tDataBufferPtrHigh : 0x%08x\n" + "\tDataBufferPtrLow : 0x%08x\n" + "\tword2 : 0x%08x\n" + "\tword3 : 0x%08x\n", + CurDescPostCopy, + CurDescPostCopy->DataBufferPtrHigh, + CurDescPostCopy->DataBufferPtrLow, + CurDescPostCopy->word2.value, + CurDescPostCopy->word3.value); + + if (++pAdapter->TxRing.txDmaReadyToSend.bits.serv_req >= + NUM_DESC_PER_RING_TX) { + if (pAdapter->TxRing.txDmaReadyToSend.bits. + serv_req_wrap) { + pAdapter->TxRing.txDmaReadyToSend.value = 0; + } else { + pAdapter->TxRing.txDmaReadyToSend.value = 0x400; + } + } + + DBG_TX(et131x_dbginfo, "Padding descriptor %d by %d bytes\n", + //pAdapter->TxRing.txDmaReadyToSend.value, + pAdapter->TxRing.txDmaReadyToSend.bits.serv_req, + NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength); + } + + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags2); + + if (pAdapter->TxRing.CurrSendTail) { + pAdapter->TxRing.CurrSendTail->Next = pMpTcb; + } else { + pAdapter->TxRing.CurrSendHead = pMpTcb; + } + + pAdapter->TxRing.CurrSendTail = pMpTcb; + + DBG_ASSERT(pMpTcb->Next == NULL); + + pAdapter->TxRing.nBusySend++; + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags2); + + /* Write the new write pointer back to the device. */ + writel(pAdapter->TxRing.txDmaReadyToSend.value, + &pAdapter->CSRAddress->txdma.service_request.value); + +#ifdef CONFIG_ET131X_DEBUG + DumpDeviceBlock(DBG_TX_ON, pAdapter, 1); +#endif + + /* For Gig only, we use Tx Interrupt coalescing. Enable the software + * timer to wake us up if this packet isn't followed by N more. + */ + if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) { + writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO, + &pAdapter->CSRAddress->global.watchdog_timer); + } + + spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1); + + DBG_TX_LEAVE(et131x_dbginfo); + return 0; +} + +#endif + +/** + * et131x_free_send_packet - Recycle a MP_TCB, complete the packet if necessary + * @pAdapter: pointer to our adapter + * @pMpTcb: pointer to MP_TCB + * + * Assumption - Send spinlock has been acquired + */ +__inline void et131x_free_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb) +{ + unsigned long lockflags; + TX_DESC_ENTRY_t *desc = NULL; + struct net_device_stats *stats = &pAdapter->net_stats; + + if (MP_TEST_FLAG(pMpTcb, fMP_DEST_BROAD)) { + atomic_inc(&pAdapter->Stats.brdcstxmt); + } else if (MP_TEST_FLAG(pMpTcb, fMP_DEST_MULTI)) { + atomic_inc(&pAdapter->Stats.multixmt); + } else { + atomic_inc(&pAdapter->Stats.unixmt); + } + + if (pMpTcb->Packet) { + stats->tx_bytes += pMpTcb->Packet->len; + + /* Iterate through the TX descriptors on the ring + * corresponding to this packet and umap the fragments + * they point to + */ + DBG_TX(et131x_dbginfo, + "Unmap descriptors Here\n" + "TCB : 0x%p\n" + "TCB Next : 0x%p\n" + "TCB PacketLength : %d\n" + "TCB WrIndex.value : 0x%08x\n" + "TCB WrIndex.bits.val : %d\n" + "TCB WrIndex.value : 0x%08x\n" + "TCB WrIndex.bits.val : %d\n", + pMpTcb, + pMpTcb->Next, + pMpTcb->PacketLength, + pMpTcb->WrIndexStart.value, + pMpTcb->WrIndexStart.bits.val, + pMpTcb->WrIndex.value, + pMpTcb->WrIndex.bits.val); + + do { + desc = + (TX_DESC_ENTRY_t *) (pAdapter->TxRing. + pTxDescRingVa + + pMpTcb->WrIndexStart.bits.val); + + DBG_TX(et131x_dbginfo, + "CURRENT DESCRIPTOR\n" + "\tAddress : 0x%p\n" + "\tDataBufferPtrHigh : 0x%08x\n" + "\tDataBufferPtrLow : 0x%08x\n" + "\tword2 : 0x%08x\n" + "\tword3 : 0x%08x\n", + desc, + desc->DataBufferPtrHigh, + desc->DataBufferPtrLow, + desc->word2.value, + desc->word3.value); + + pci_unmap_single(pAdapter->pdev, + desc->DataBufferPtrLow, + desc->word2.value, PCI_DMA_TODEVICE); + + if (++pMpTcb->WrIndexStart.bits.val >= + NUM_DESC_PER_RING_TX) { + if (pMpTcb->WrIndexStart.bits.wrap) { + pMpTcb->WrIndexStart.value = 0; + } else { + pMpTcb->WrIndexStart.value = 0x400; + } + } + } + while (desc != (pAdapter->TxRing.pTxDescRingVa + + pMpTcb->WrIndex.bits.val)); + + DBG_TX(et131x_dbginfo, + "Free Packet (SKB) : 0x%p\n", pMpTcb->Packet); + + dev_kfree_skb_any(pMpTcb->Packet); + } + + memset(pMpTcb, 0, sizeof(MP_TCB)); + + /* Add the TCB to the Ready Q */ + spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags); + + pAdapter->Stats.opackets++; + + if (pAdapter->TxRing.TCBReadyQueueTail) { + pAdapter->TxRing.TCBReadyQueueTail->Next = pMpTcb; + } else { + /* Apparently ready Q is empty. */ + pAdapter->TxRing.TCBReadyQueueHead = pMpTcb; + } + + pAdapter->TxRing.TCBReadyQueueTail = pMpTcb; + + spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags); + + DBG_ASSERT(pAdapter->TxRing.nBusySend >= 0); +} + +/** + * et131x_free_busy_send_packets - Free and complete the stopped active sends + * @pAdapter: pointer to our adapter + * + * Assumption - Send spinlock has been acquired + */ +void et131x_free_busy_send_packets(struct et131x_adapter *pAdapter) +{ + PMP_TCB pMpTcb; + struct list_head *pEntry; + struct sk_buff *pPacket = NULL; + unsigned long lockflags; + uint32_t FreeCounter = 0; + + DBG_ENTER(et131x_dbginfo); + + while (!list_empty(&pAdapter->TxRing.SendWaitQueue)) { + spin_lock_irqsave(&pAdapter->SendWaitLock, lockflags); + + pAdapter->TxRing.nWaitSend--; + spin_unlock_irqrestore(&pAdapter->SendWaitLock, lockflags); + + pEntry = pAdapter->TxRing.SendWaitQueue.next; + + pPacket = NULL; + } + + pAdapter->TxRing.nWaitSend = 0; + + /* Any packets being sent? Check the first TCB on the send list */ + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + pMpTcb = pAdapter->TxRing.CurrSendHead; + + while ((pMpTcb != NULL) && (FreeCounter < NUM_TCB)) { + PMP_TCB pNext = pMpTcb->Next; + + pAdapter->TxRing.CurrSendHead = pNext; + + if (pNext == NULL) { + pAdapter->TxRing.CurrSendTail = NULL; + } + + pAdapter->TxRing.nBusySend--; + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); + + DBG_VERBOSE(et131x_dbginfo, "pMpTcb = 0x%p\n", pMpTcb); + + FreeCounter++; + MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb); + + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + pMpTcb = pAdapter->TxRing.CurrSendHead; + } + + if (FreeCounter == NUM_TCB) { + DBG_ERROR(et131x_dbginfo, + "MpFreeBusySendPackets exitted loop for a bad reason\n"); + BUG(); + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); + + pAdapter->TxRing.nBusySend = 0; + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_handle_send_interrupt - Interrupt handler for sending processing + * @pAdapter: pointer to our adapter + * + * Re-claim the send resources, complete sends and get more to send from + * the send wait queue. + * + * Assumption - Send spinlock has been acquired + */ +void et131x_handle_send_interrupt(struct et131x_adapter *pAdapter) +{ + DBG_TX_ENTER(et131x_dbginfo); + + /* Mark as completed any packets which have been sent by the device. */ + et131x_update_tcb_list(pAdapter); + + /* If we queued any transmits because we didn't have any TCBs earlier, + * dequeue and send those packets now, as long as we have free TCBs. + */ + et131x_check_send_wait_list(pAdapter); + + DBG_TX_LEAVE(et131x_dbginfo); +} + +/** + * et131x_update_tcb_list - Helper routine for Send Interrupt handler + * @pAdapter: pointer to our adapter + * + * Re-claims the send resources and completes sends. Can also be called as + * part of the NIC send routine when the "ServiceComplete" indication has + * wrapped. + */ +static void et131x_update_tcb_list(struct et131x_adapter *pAdapter) +{ + unsigned long lockflags; + DMA10W_t ServiceComplete; + PMP_TCB pMpTcb; + + ServiceComplete.value = + readl(&pAdapter->CSRAddress->txdma.NewServiceComplete.value); + + /* Has the ring wrapped? Process any descriptors that do not have + * the same "wrap" indicator as the current completion indicator + */ + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + pMpTcb = pAdapter->TxRing.CurrSendHead; + while (pMpTcb && + ServiceComplete.bits.wrap != pMpTcb->WrIndex.bits.wrap && + ServiceComplete.bits.val < pMpTcb->WrIndex.bits.val) { + pAdapter->TxRing.nBusySend--; + pAdapter->TxRing.CurrSendHead = pMpTcb->Next; + if (pMpTcb->Next == NULL) { + pAdapter->TxRing.CurrSendTail = NULL; + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); + MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb); + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + /* Goto the next packet */ + pMpTcb = pAdapter->TxRing.CurrSendHead; + } + while (pMpTcb && + ServiceComplete.bits.wrap == pMpTcb->WrIndex.bits.wrap && + ServiceComplete.bits.val > pMpTcb->WrIndex.bits.val) { + pAdapter->TxRing.nBusySend--; + pAdapter->TxRing.CurrSendHead = pMpTcb->Next; + if (pMpTcb->Next == NULL) { + pAdapter->TxRing.CurrSendTail = NULL; + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); + MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb); + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + /* Goto the next packet */ + pMpTcb = pAdapter->TxRing.CurrSendHead; + } + + /* Wake up the queue when we hit a low-water mark */ + if (pAdapter->TxRing.nBusySend <= (NUM_TCB / 3)) { + netif_wake_queue(pAdapter->netdev); + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); +} + +/** + * et131x_check_send_wait_list - Helper routine for the interrupt handler + * @pAdapter: pointer to our adapter + * + * Takes packets from the send wait queue and posts them to the device (if + * room available). + */ +static void et131x_check_send_wait_list(struct et131x_adapter *pAdapter) +{ + unsigned long lockflags; + + spin_lock_irqsave(&pAdapter->SendWaitLock, lockflags); + + while (!list_empty(&pAdapter->TxRing.SendWaitQueue) && + MP_TCB_RESOURCES_AVAILABLE(pAdapter)) { + struct list_head *pEntry; + + DBG_VERBOSE(et131x_dbginfo, "Tx packets on the wait queue\n"); + + pEntry = pAdapter->TxRing.SendWaitQueue.next; + + pAdapter->TxRing.nWaitSend--; + + DBG_WARNING(et131x_dbginfo, + "MpHandleSendInterrupt - sent a queued pkt. Waiting %d\n", + pAdapter->TxRing.nWaitSend); + } + + spin_unlock_irqrestore(&pAdapter->SendWaitLock, lockflags); +} diff --git a/drivers/staging/et131x/et1310_tx.h b/drivers/staging/et131x/et1310_tx.h new file mode 100644 index 000000000000..2819c7843d21 --- /dev/null +++ b/drivers/staging/et131x/et1310_tx.h @@ -0,0 +1,242 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et1310_tx.h - Defines, structs, enums, prototypes, etc. pertaining to data + * transmission. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET1310_TX_H__ +#define __ET1310_TX_H__ + + +/* Typedefs for Tx Descriptor Ring */ + +/* + * TXDESC_WORD2_t structure holds part of the control bits in the Tx Descriptor + * ring for the ET-1310 + */ +typedef union _txdesc_word2_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 vlan_prio:3; // bits 29-31(VLAN priority) + u32 vlan_cfi:1; // bit 28(cfi) + u32 vlan_tag:12; // bits 16-27(VLAN tag) + u32 length_in_bytes:16; // bits 0-15(packet length) +#else + u32 length_in_bytes:16; // bits 0-15(packet length) + u32 vlan_tag:12; // bits 16-27(VLAN tag) + u32 vlan_cfi:1; // bit 28(cfi) + u32 vlan_prio:3; // bits 29-31(VLAN priority) +#endif /* _BIT_FIELDS_HTOL */ + } bits; +} TXDESC_WORD2_t, *PTXDESC_WORD2_t; + +/* + * TXDESC_WORD3_t structure holds part of the control bits in the Tx Descriptor + * ring for the ET-1310 + */ +typedef union _txdesc_word3_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:17; // bits 15-31 + u32 udpa:1; // bit 14(UDP checksum assist) + u32 tcpa:1; // bit 13(TCP checksum assist) + u32 ipa:1; // bit 12(IP checksum assist) + u32 vlan:1; // bit 11(append VLAN tag) + u32 hp:1; // bit 10(Packet is a Huge packet) + u32 pp:1; // bit 9(pad packet) + u32 mac:1; // bit 8(MAC override) + u32 crc:1; // bit 7(append CRC) + u32 e:1; // bit 6(Tx frame has error) + u32 pf:1; // bit 5(send pause frame) + u32 bp:1; // bit 4(Issue half-duplex backpressure (XON/XOFF) + u32 cw:1; // bit 3(Control word - no packet data) + u32 ir:1; // bit 2(interrupt the processor when this pkt sent) + u32 f:1; // bit 1(first packet in the sequence) + u32 l:1; // bit 0(last packet in the sequence) +#else + u32 l:1; // bit 0(last packet in the sequence) + u32 f:1; // bit 1(first packet in the sequence) + u32 ir:1; // bit 2(interrupt the processor when this pkt sent) + u32 cw:1; // bit 3(Control word - no packet data) + u32 bp:1; // bit 4(Issue half-duplex backpressure (XON/XOFF) + u32 pf:1; // bit 5(send pause frame) + u32 e:1; // bit 6(Tx frame has error) + u32 crc:1; // bit 7(append CRC) + u32 mac:1; // bit 8(MAC override) + u32 pp:1; // bit 9(pad packet) + u32 hp:1; // bit 10(Packet is a Huge packet) + u32 vlan:1; // bit 11(append VLAN tag) + u32 ipa:1; // bit 12(IP checksum assist) + u32 tcpa:1; // bit 13(TCP checksum assist) + u32 udpa:1; // bit 14(UDP checksum assist) + u32 unused:17; // bits 15-31 +#endif /* _BIT_FIELDS_HTOL */ + } bits; +} TXDESC_WORD3_t, *PTXDESC_WORD3_t; + +/* TX_DESC_ENTRY_t is sructure representing each descriptor on the ring */ +typedef struct _tx_desc_entry_t { + u32 DataBufferPtrHigh; + u32 DataBufferPtrLow; + TXDESC_WORD2_t word2; // control words how to xmit the + TXDESC_WORD3_t word3; // data (detailed above) +} TX_DESC_ENTRY_t, *PTX_DESC_ENTRY_t; + + +/* Typedefs for Tx DMA engine status writeback */ + +/* + * TX_STATUS_BLOCK_t is sructure representing the status of the Tx DMA engine + * it sits in free memory, and is pointed to by 0x101c / 0x1020 + */ +typedef union _tx_status_block_t { + u32 value; + struct { +#ifdef _BIT_FIELDS_HTOL + u32 unused:21; // bits 11-31 + u32 serv_cpl_wrap:1; // bit 10 + u32 serv_cpl:10; // bits 0-9 +#else + u32 serv_cpl:10; // bits 0-9 + u32 serv_cpl_wrap:1; // bit 10 + u32 unused:21; // bits 11-31 +#endif + } bits; +} TX_STATUS_BLOCK_t, *PTX_STATUS_BLOCK_t; + +/* TCB (Transmit Control Block) */ +typedef struct _MP_TCB { + struct _MP_TCB *Next; + u32 Flags; + u32 Count; + u32 PacketStaleCount; + struct sk_buff *Packet; + u32 PacketLength; + DMA10W_t WrIndex; + DMA10W_t WrIndexStart; +} MP_TCB, *PMP_TCB; + +/* Structure to hold the skb's in a list */ +typedef struct tx_skb_list_elem { + struct list_head skb_list_elem; + struct sk_buff *skb; +} TX_SKB_LIST_ELEM, *PTX_SKB_LIST_ELEM; + +/* TX_RING_t is sructure representing our local reference(s) to the ring */ +typedef struct _tx_ring_t { + /* TCB (Transmit Control Block) memory and lists */ + PMP_TCB MpTcbMem; + + /* List of TCBs that are ready to be used */ + PMP_TCB TCBReadyQueueHead; + PMP_TCB TCBReadyQueueTail; + + /* list of TCBs that are currently being sent. NOTE that access to all + * three of these (including nBusySend) are controlled via the + * TCBSendQLock. This lock should be secured prior to incementing / + * decrementing nBusySend, or any queue manipulation on CurrSendHead / + * Tail + */ + PMP_TCB CurrSendHead; + PMP_TCB CurrSendTail; + int32_t nBusySend; + + /* List of packets (not TCBs) that were queued for lack of resources */ + struct list_head SendWaitQueue; + int32_t nWaitSend; + + /* The actual descriptor ring */ + PTX_DESC_ENTRY_t pTxDescRingVa; + dma_addr_t pTxDescRingPa; + uint64_t pTxDescRingAdjustedPa; + uint64_t TxDescOffset; + + /* ReadyToSend indicates where we last wrote to in the descriptor ring. */ + DMA10W_t txDmaReadyToSend; + + /* The location of the write-back status block */ + PTX_STATUS_BLOCK_t pTxStatusVa; + dma_addr_t pTxStatusPa; + + /* A Block of zeroes used to pad packets that are less than 60 bytes */ + void *pTxDummyBlkVa; + dma_addr_t pTxDummyBlkPa; + + TXMAC_ERR_t TxMacErr; + + /* Variables to track the Tx interrupt coalescing features */ + int32_t TxPacketsSinceLastinterrupt; +} TX_RING_t, *PTX_RING_t; + +/* Forward declaration of the frag-list for the following prototypes */ +typedef struct _MP_FRAG_LIST MP_FRAG_LIST, *PMP_FRAG_LIST; + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +/* PROTOTYPES for et1310_tx.c */ +int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter); +void et131x_tx_dma_memory_free(struct et131x_adapter *adapter); +void ConfigTxDmaRegs(struct et131x_adapter *pAdapter); +void et131x_init_send(struct et131x_adapter *adapter); +void et131x_tx_dma_disable(struct et131x_adapter *pAdapter); +void et131x_tx_dma_enable(struct et131x_adapter *pAdapter); +void et131x_handle_send_interrupt(struct et131x_adapter *pAdapter); +void et131x_free_busy_send_packets(struct et131x_adapter *pAdapter); +int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev); + +#endif /* __ET1310_TX_H__ */ diff --git a/drivers/staging/et131x/et131x_adapter.h b/drivers/staging/et131x/et131x_adapter.h new file mode 100644 index 000000000000..36e61a47ae27 --- /dev/null +++ b/drivers/staging/et131x/et131x_adapter.h @@ -0,0 +1,347 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_adapter.h - Header which includes the private adapter structure, along + * with related support structures, macros, definitions, etc. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_ADAPTER_H__ +#define __ET131X_ADAPTER_H__ + +#include "et1310_address_map.h" +#include "et1310_tx.h" +#include "et1310_rx.h" + +/* + * Do not change these values: if changed, then change also in respective + * TXdma and Rxdma engines + */ +#define NUM_DESC_PER_RING_TX 512 // TX Do not change these values +#define NUM_TCB 64 + +/* + * These values are all superseded by registry entries to facilitate tuning. + * Once the desired performance has been achieved, the optimal registry values + * should be re-populated to these #defines: + */ +#define NUM_TRAFFIC_CLASSES 1 + +/* + * There are three ways of counting errors - if there are more than X errors + * in Y packets (represented by the "SAMPLE" macros), if there are more than + * N errors in a S mSec time period (the "PERIOD" macros), or if there are + * consecutive packets with errors (CONSEC_ERRORED_THRESH). This last covers + * for "Bursty" errors, and the errored packets may well not be contiguous, + * but several errors where the packet counter has changed by less than a + * small amount will cause this count to increment. + */ +#define TX_PACKETS_IN_SAMPLE 10000 +#define TX_MAX_ERRORS_IN_SAMPLE 50 + +#define TX_ERROR_PERIOD 1000 +#define TX_MAX_ERRORS_IN_PERIOD 10 + +#define LINK_DETECTION_TIMER 5000 + +#define TX_CONSEC_RANGE 5 +#define TX_CONSEC_ERRORED_THRESH 10 + +#define LO_MARK_PERCENT_FOR_PSR 15 +#define LO_MARK_PERCENT_FOR_RX 15 + +/* Macros for flag and ref count operations */ +#define MP_SET_FLAG(_M, _F) ((_M)->Flags |= (_F)) +#define MP_CLEAR_FLAG(_M, _F) ((_M)->Flags &= ~(_F)) +#define MP_CLEAR_FLAGS(_M) ((_M)->Flags = 0) +#define MP_TEST_FLAG(_M, _F) (((_M)->Flags & (_F)) != 0) +#define MP_TEST_FLAGS(_M, _F) (((_M)->Flags & (_F)) == (_F)) +#define MP_IS_FLAG_CLEAR(_M, _F) (((_M)->Flags & (_F)) == 0) + +#define MP_INC_RCV_REF(_A) atomic_inc(&(_A)->RcvRefCount) +#define MP_DEC_RCV_REF(_A) atomic_dec(&(_A)->RcvRefCount) +#define MP_GET_RCV_REF(_A) atomic_read(&(_A)->RcvRefCount) + +/* Macros specific to the private adapter structure */ +#define MP_TCB_RESOURCES_AVAILABLE(_M) ((_M)->TxRing.nBusySend < NUM_TCB) +#define MP_TCB_RESOURCES_NOT_AVAILABLE(_M) ((_M)->TxRing.nBusySend >= NUM_TCB) + +#define MP_SHOULD_FAIL_SEND(_M) ((_M)->Flags & fMP_ADAPTER_FAIL_SEND_MASK) +#define MP_IS_NOT_READY(_M) ((_M)->Flags & fMP_ADAPTER_NOT_READY_MASK) +#define MP_IS_READY(_M) !((_M)->Flags & fMP_ADAPTER_NOT_READY_MASK) + +#define MP_HAS_CABLE(_M) !((_M)->Flags & fMP_ADAPTER_NO_CABLE) +#define MP_LINK_DETECTED(_M) !((_M)->Flags & fMP_ADAPTER_LINK_DETECTION) + +/* Counters for error rate monitoring */ +typedef struct _MP_ERR_COUNTERS { + u32 PktCountTxPackets; + u32 PktCountTxErrors; + u32 TimerBasedTxErrors; + u32 PktCountLastError; + u32 ErredConsecPackets; +} MP_ERR_COUNTERS, *PMP_ERR_COUNTERS; + +/* RFD (Receive Frame Descriptor) */ +typedef struct _MP_RFD { + struct list_head list_node; + struct sk_buff *Packet; + u32 PacketSize; // total size of receive frame + u16 iBufferIndex; + u8 iRingIndex; +} MP_RFD, *PMP_RFD; + +/* Enum for Flow Control */ +typedef enum _eflow_control_t { + Both = 0, + TxOnly = 1, + RxOnly = 2, + None = 3 +} eFLOW_CONTROL_t, *PeFLOW_CONTROL_t; + +/* Struct to define some device statistics */ +typedef struct _ce_stats_t { + /* Link Input/Output stats */ + uint64_t ipackets; // # of in packets + uint64_t opackets; // # of out packets + + /* MIB II variables + * + * NOTE: atomic_t types are only guaranteed to store 24-bits; if we + * MUST have 32, then we'll need another way to perform atomic + * operations + */ + u32 unircv; // # multicast packets received + atomic_t unixmt; // # multicast packets for Tx + u32 multircv; // # multicast packets received + atomic_t multixmt; // # multicast packets for Tx + u32 brdcstrcv; // # broadcast packets received + atomic_t brdcstxmt; // # broadcast packets for Tx + u32 norcvbuf; // # Rx packets discarded + u32 noxmtbuf; // # Tx packets discarded + + /* Transciever state informations. */ + u8 xcvr_addr; + u32 xcvr_id; + + /* Tx Statistics. */ + u32 tx_uflo; // Tx Underruns + + u32 collisions; + u32 excessive_collisions; + u32 first_collision; + u32 late_collisions; + u32 max_pkt_error; + u32 tx_deferred; + + /* Rx Statistics. */ + u32 rx_ov_flow; // Rx Over Flow + + u32 length_err; + u32 alignment_err; + u32 crc_err; + u32 code_violations; + u32 other_errors; + +#ifdef CONFIG_ET131X_DEBUG + u32 UnhandledInterruptsPerSec; + u32 RxDmaInterruptsPerSec; + u32 TxDmaInterruptsPerSec; + u32 WatchDogInterruptsPerSec; +#endif /* CONFIG_ET131X_DEBUG */ + + u32 SynchrounousIterations; + INTERRUPT_t InterruptStatus; +} CE_STATS_t, *PCE_STATS_t; + +/* The private adapter structure */ +struct et131x_adapter { + struct net_device *netdev; + struct pci_dev *pdev; + + struct work_struct task; + + /* Flags that indicate current state of the adapter */ + u32 Flags; + u32 HwErrCount; + + /* Configuration */ + u8 PermanentAddress[ETH_ALEN]; + u8 CurrentAddress[ETH_ALEN]; + bool bOverrideAddress; + bool bEepromPresent; + u8 eepromData[2]; + + /* Spinlocks */ + spinlock_t Lock; + + spinlock_t TCBSendQLock; + spinlock_t TCBReadyQLock; + spinlock_t SendHWLock; + spinlock_t SendWaitLock; + + spinlock_t RcvLock; + spinlock_t RcvPendLock; + spinlock_t FbrLock; + + spinlock_t PHYLock; + + /* Packet Filter and look ahead size */ + u32 PacketFilter; + u32 ulLookAhead; + u32 uiLinkSpeed; + u32 uiDuplexMode; + u32 uiAutoNegStatus; + u8 ucLinkStatus; + + /* multicast list */ + u32 MCAddressCount; + u8 MCList[NIC_MAX_MCAST_LIST][ETH_ALEN]; + + /* MAC test */ + TXMAC_TXTEST_t TxMacTest; + + /* Pointer to the device's PCI register space */ + ADDRESS_MAP_t __iomem *CSRAddress; + + /* PCI config space info, for debug purposes only. */ + u8 RevisionID; + u16 VendorID; + u16 DeviceID; + u16 SubVendorID; + u16 SubSystemID; + u32 CacheFillSize; + u16 PciXDevCtl; + u8 pci_lat_timer; + u8 pci_hdr_type; + u8 pci_bist; + u32 pci_cfg_state[64 / sizeof(u32)]; + + /* Registry parameters */ + u8 SpeedDuplex; // speed/duplex + eFLOW_CONTROL_t RegistryFlowControl; // for 802.3x flow control + u8 RegistryWOLMatch; // Enable WOL pattern-matching + u8 RegistryWOLLink; // Link state change is independant + u8 RegistryPhyComa; // Phy Coma mode enable/disable + + u32 RegistryRxMemEnd; // Size of internal rx memory + u8 RegistryMACStat; // If set, read MACSTAT, else don't + u32 RegistryVlanTag; // 802.1q Vlan TAG + u32 RegistryJumboPacket; // Max supported ethernet packet size + + u32 RegistryTxNumBuffers; + u32 RegistryTxTimeInterval; + + u32 RegistryRxNumBuffers; + u32 RegistryRxTimeInterval; + + /* Validation helpers */ + u8 RegistryPMWOL; + u8 RegistryNMIDisable; + u32 RegistryDMACache; + u32 RegistrySCGain; + u8 RegistryPhyLoopbk; // Enable Phy loopback + + /* Derived from the registry: */ + u8 AiForceDpx; // duplex setting + u16 AiForceSpeed; // 'Speed', user over-ride of line speed + eFLOW_CONTROL_t FlowControl; // flow control validated by the far-end + enum { + NETIF_STATUS_INVALID = 0, + NETIF_STATUS_MEDIA_CONNECT, + NETIF_STATUS_MEDIA_DISCONNECT, + NETIF_STATUS_MAX + } MediaState; + u8 DriverNoPhyAccess; + + /* Minimize init-time */ + bool bQueryPending; + bool bSetPending; + bool bResetPending; + struct timer_list ErrorTimer; + bool bLinkTimerActive; + MP_POWER_MGMT PoMgmt; + INTERRUPT_t CachedMaskValue; + + atomic_t RcvRefCount; // Num packets not yet returned + + /* Xcvr status at last poll */ + MI_BMSR_t Bmsr; + + /* Tx Memory Variables */ + TX_RING_t TxRing; + + /* Rx Memory Variables */ + RX_RING_t RxRing; + + /* ET1310 register Access */ + JAGCORE_ACCESS_REGS JagCoreRegs; + PCI_CFG_SPACE_REGS PciCfgRegs; + + /* Loopback specifics */ + u8 ReplicaPhyLoopbk; // Replica Enable + u8 ReplicaPhyLoopbkPF; // Replica Enable Pass/Fail + + /* Stats */ + CE_STATS_t Stats; + + struct net_device_stats net_stats; + struct net_device_stats net_stats_prev; +}; + +#define MPSendPacketsHandler MPSendPackets +#define MP_FREE_SEND_PACKET_FUN(Adapter, pMpTcb) \ + et131x_free_send_packet(Adapter, pMpTcb) +#define MpSendPacketFun(Adapter, Packet) MpSendPacket(Adapter, Packet) + +#endif /* __ET131X_ADAPTER_H__ */ diff --git a/drivers/staging/et131x/et131x_config.c b/drivers/staging/et131x/et131x_config.c new file mode 100644 index 000000000000..0adbaa6ca078 --- /dev/null +++ b/drivers/staging/et131x/et131x_config.c @@ -0,0 +1,325 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_config.c - Handles parsing of configuration data during + * initialization. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_initpci.h" +#include "et131x_config.h" + +#include "et1310_tx.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/* Defines for Parameter Default/Min/Max vaules */ +#define PARM_SPEED_DUPLEX_DEF 0 +#define PARM_SPEED_DUPLEX_MIN 0 +#define PARM_SPEED_DUPLEX_MAX 5 + +#define PARM_VLAN_TAG_DEF 0 +#define PARM_VLAN_TAG_MIN 0 +#define PARM_VLAN_TAG_MAX 4095 + +#define PARM_FLOW_CTL_DEF 0 +#define PARM_FLOW_CTL_MIN 0 +#define PARM_FLOW_CTL_MAX 3 + +#define PARM_WOL_LINK_DEF 3 +#define PARM_WOL_LINK_MIN 0 +#define PARM_WOL_LINK_MAX 3 + +#define PARM_WOL_MATCH_DEF 7 +#define PARM_WOL_MATCH_MIN 0 +#define PARM_WOL_MATCH_MAX 7 + +#define PARM_JUMBO_PKT_DEF 1514 +#define PARM_JUMBO_PKT_MIN 1514 +#define PARM_JUMBO_PKT_MAX 9216 + +#define PARM_PHY_COMA_DEF 0 +#define PARM_PHY_COMA_MIN 0 +#define PARM_PHY_COMA_MAX 1 + +#define PARM_RX_NUM_BUFS_DEF 4 +#define PARM_RX_NUM_BUFS_MIN 1 +#define PARM_RX_NUM_BUFS_MAX 64 + +#define PARM_RX_TIME_INT_DEF 10 +#define PARM_RX_TIME_INT_MIN 2 +#define PARM_RX_TIME_INT_MAX 320 + +#define PARM_TX_NUM_BUFS_DEF 4 +#define PARM_TX_NUM_BUFS_MIN 1 +#define PARM_TX_NUM_BUFS_MAX 40 + +#define PARM_TX_TIME_INT_DEF 40 +#define PARM_TX_TIME_INT_MIN 1 +#define PARM_TX_TIME_INT_MAX 140 + +#define PARM_RX_MEM_END_DEF 0x2bc +#define PARM_RX_MEM_END_MIN 0 +#define PARM_RX_MEM_END_MAX 0x3ff + +#define PARM_MAC_STAT_DEF 1 +#define PARM_MAC_STAT_MIN 0 +#define PARM_MAC_STAT_MAX 1 + +#define PARM_SC_GAIN_DEF 7 +#define PARM_SC_GAIN_MIN 0 +#define PARM_SC_GAIN_MAX 7 + +#define PARM_PM_WOL_DEF 0 +#define PARM_PM_WOL_MIN 0 +#define PARM_PM_WOL_MAX 1 + +#define PARM_NMI_DISABLE_DEF 0 +#define PARM_NMI_DISABLE_MIN 0 +#define PARM_NMI_DISABLE_MAX 2 + +#define PARM_DMA_CACHE_DEF 0 +#define PARM_DMA_CACHE_MIN 0 +#define PARM_DMA_CACHE_MAX 15 + +#define PARM_PHY_LOOPBK_DEF 0 +#define PARM_PHY_LOOPBK_MIN 0 +#define PARM_PHY_LOOPBK_MAX 1 + +#define PARM_MAC_ADDRESS_DEF { 0x00, 0x05, 0x3d, 0x00, 0x02, 0x00 } + +/* Module parameter for disabling NMI + * et131x_speed_set : + * Set Link speed and dublex manually (0-5) [0] + * 1 : 10Mb Half-Duplex + * 2 : 10Mb Full-Duplex + * 3 : 100Mb Half-Duplex + * 4 : 100Mb Full-Duplex + * 5 : 1000Mb Full-Duplex + * 0 : Auto Speed Auto Dublex // default + */ +static u32 et131x_nmi_disable = PARM_NMI_DISABLE_DEF; +module_param(et131x_nmi_disable, uint, 0); +MODULE_PARM_DESC(et131x_nmi_disable, "Disable NMI (0-2) [0]"); + +/* Module parameter for manual speed setting + * et131x_nmi_disable : + * Disable NMI (0-2) [0] + * 0 : + * 1 : + * 2 : + */ +static u32 et131x_speed_set = PARM_SPEED_DUPLEX_DEF; +module_param(et131x_speed_set, uint, 0); +MODULE_PARM_DESC(et131x_speed_set, + "Set Link speed and dublex manually (0-5) [0] \n 1 : 10Mb Half-Duplex \n 2 : 10Mb Full-Duplex \n 3 : 100Mb Half-Duplex \n 4 : 100Mb Full-Duplex \n 5 : 1000Mb Full-Duplex \n 0 : Auto Speed Auto Dublex"); + +/** + * et131x_config_parse + * @pAdapter: pointer to the private adapter struct + * + * Parses a configuration from some location (module parameters, for example) + * into the private adapter struct + */ +void et131x_config_parse(struct et131x_adapter *pAdapter) +{ + uint8_t macAddrDef[] = PARM_MAC_ADDRESS_DEF; + + DBG_ENTER(et131x_dbginfo); + + /* + * The NDIS driver uses the registry to store persistent per-device + * configuration, and reads this configuration into the appropriate + * elements of the private adapter structure on initialization. + * Because Linux has no analog to the registry, use this function to + * initialize the private adapter structure with a default + * configuration. + * + * One other possibility is to use a series of module parameters which + * can be passed in by the caller when the module is initialized. + * However, this implementation does not allow for seperate + * configurations in the event multiple devices are present, and hence + * will not suffice. + * + * If another method is derived which addresses this problem, this is + * where it should be implemented. + */ + + /* Set the private adapter struct with default values for the + * corresponding parameters + */ + if (et131x_speed_set != PARM_SPEED_DUPLEX_DEF) { + DBG_VERBOSE(et131x_dbginfo, "Speed set manually to : %d \n", + et131x_speed_set); + pAdapter->SpeedDuplex = et131x_speed_set; + } else { + pAdapter->SpeedDuplex = PARM_SPEED_DUPLEX_DEF; + } + + // pAdapter->SpeedDuplex = PARM_SPEED_DUPLEX_DEF; + + pAdapter->RegistryVlanTag = PARM_VLAN_TAG_DEF; + pAdapter->RegistryFlowControl = PARM_FLOW_CTL_DEF; + pAdapter->RegistryWOLLink = PARM_WOL_LINK_DEF; + pAdapter->RegistryWOLMatch = PARM_WOL_MATCH_DEF; + pAdapter->RegistryJumboPacket = PARM_JUMBO_PKT_DEF; + pAdapter->RegistryPhyComa = PARM_PHY_COMA_DEF; + pAdapter->RegistryRxNumBuffers = PARM_RX_NUM_BUFS_DEF; + pAdapter->RegistryRxTimeInterval = PARM_RX_TIME_INT_DEF; + pAdapter->RegistryTxNumBuffers = PARM_TX_NUM_BUFS_DEF; + pAdapter->RegistryTxTimeInterval = PARM_TX_TIME_INT_DEF; + pAdapter->RegistryRxMemEnd = PARM_RX_MEM_END_DEF; + pAdapter->RegistryMACStat = PARM_MAC_STAT_DEF; + pAdapter->RegistrySCGain = PARM_SC_GAIN_DEF; + pAdapter->RegistryPMWOL = PARM_PM_WOL_DEF; + + if (et131x_nmi_disable != PARM_NMI_DISABLE_DEF) { + pAdapter->RegistryNMIDisable = et131x_nmi_disable; + } else { + pAdapter->RegistryNMIDisable = PARM_NMI_DISABLE_DEF; + } + + pAdapter->RegistryDMACache = PARM_DMA_CACHE_DEF; + pAdapter->RegistryPhyLoopbk = PARM_PHY_LOOPBK_DEF; + + /* Set the MAC address to a default */ + memcpy(pAdapter->CurrentAddress, macAddrDef, ETH_ALEN); + pAdapter->bOverrideAddress = false; + + DBG_TRACE(et131x_dbginfo, + "Default MAC Address : %02x:%02x:%02x:%02x:%02x:%02x\n", + pAdapter->CurrentAddress[0], pAdapter->CurrentAddress[1], + pAdapter->CurrentAddress[2], pAdapter->CurrentAddress[3], + pAdapter->CurrentAddress[4], pAdapter->CurrentAddress[5]); + + /* Decode SpeedDuplex + * + * Set up as if we are auto negotiating always and then change if we + * go into force mode + */ + pAdapter->AiForceSpeed = 0; // Auto speed + pAdapter->AiForceDpx = 0; // Auto FDX + + /* If we are the 10/100 device, and gigabit is somehow requested then + * knock it down to 100 full. + */ + if ((pAdapter->DeviceID == ET131X_PCI_DEVICE_ID_FAST) && + (pAdapter->SpeedDuplex == 5)) { + pAdapter->SpeedDuplex = 4; + } + + switch (pAdapter->SpeedDuplex) { + case 1: // 10Mb Half-Duplex + pAdapter->AiForceSpeed = 10; + pAdapter->AiForceDpx = 1; + break; + + case 2: // 10Mb Full-Duplex + pAdapter->AiForceSpeed = 10; + pAdapter->AiForceDpx = 2; + break; + + case 3: // 100Mb Half-Duplex + pAdapter->AiForceSpeed = 100; + pAdapter->AiForceDpx = 1; + break; + + case 4: // 100Mb Full-Duplex + pAdapter->AiForceSpeed = 100; + pAdapter->AiForceDpx = 2; + break; + + case 5: // 1000Mb Full-Duplex + pAdapter->AiForceSpeed = 1000; + pAdapter->AiForceDpx = 2; + break; + } + + DBG_LEAVE(et131x_dbginfo); +} diff --git a/drivers/staging/et131x/et131x_config.h b/drivers/staging/et131x/et131x_config.h new file mode 100644 index 000000000000..642c0f6dd6f3 --- /dev/null +++ b/drivers/staging/et131x/et131x_config.h @@ -0,0 +1,67 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_config.h - Defines, structs, enums, prototypes, etc. to support + * et131x_config.c + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_CONFIG_H__ +#define __ET131X_CONFIG_H__ + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +void et131x_config_parse(struct et131x_adapter *adapter); + +#endif /* __ET131X_CONFIG_H__ */ diff --git a/drivers/staging/et131x/et131x_debug.c b/drivers/staging/et131x/et131x_debug.c new file mode 100644 index 000000000000..9ee5bce92c27 --- /dev/null +++ b/drivers/staging/et131x/et131x_debug.c @@ -0,0 +1,218 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_debug.c - Routines used for debugging. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifdef CONFIG_ET131X_DEBUG + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_netdev.h" +#include "et131x_config.h" +#include "et131x_isr.h" + +#include "et1310_address_map.h" +#include "et1310_jagcore.h" +#include "et1310_tx.h" +#include "et1310_rx.h" +#include "et1310_mac.h" + +/* Data for debugging facilities */ +extern dbg_info_t *et131x_dbginfo; + +/** + * DumpTxQueueContents - Dump out the tx queue and the shadow pointers + * @pAdapter: pointer to our adapter structure + */ +void DumpTxQueueContents(int dbgLvl, struct et131x_adapter *pAdapter) +{ + MMC_t __iomem *mmc = &pAdapter->CSRAddress->mmc; + uint32_t TxQueueAddr; + + if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) { + for (TxQueueAddr = 0x200; TxQueueAddr < 0x3ff; TxQueueAddr++) { + MMC_SRAM_ACCESS_t sram_access; + + sram_access.value = readl(&mmc->sram_access.value); + sram_access.bits.req_addr = TxQueueAddr; + sram_access.bits.req_access = 1; + writel(sram_access.value, &mmc->sram_access.value); + + DBG_PRINT("Addr 0x%x, Access 0x%08x\t" + "Value 1 0x%08x, Value 2 0x%08x, " + "Value 3 0x%08x, Value 4 0x%08x, \n", + TxQueueAddr, + readl(&mmc->sram_access.value), + readl(&mmc->sram_word1), + readl(&mmc->sram_word2), + readl(&mmc->sram_word3), + readl(&mmc->sram_word4)); + } + + DBG_PRINT("Shadow Pointers 0x%08x\n", + readl(&pAdapter->CSRAddress->txmac.shadow_ptr.value)); + } +} + +/** + * DumpDeviceBlock + * @pAdapter: pointer to our adapter + * + * Dumps the first 64 regs of each block of the et-1310 (each block is + * mapped to a new page, each page is 4096 bytes). + */ +#define NUM_BLOCKS 8 +void DumpDeviceBlock(int dbgLvl, struct et131x_adapter *pAdapter, + uint32_t Block) +{ + uint32_t Address1, Address2; + uint32_t __iomem *BigDevicePointer = + (uint32_t __iomem *) pAdapter->CSRAddress; + const char *BlockNames[NUM_BLOCKS] = { + "Global", "Tx DMA", "Rx DMA", "Tx MAC", + "Rx MAC", "MAC", "MAC Stat", "MMC" + }; + + /* Output the debug counters to the debug terminal */ + if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) { + DBG_PRINT("%s block\n", BlockNames[Block]); + BigDevicePointer += Block * 1024; + for (Address1 = 0; Address1 < 8; Address1++) { + for (Address2 = 0; Address2 < 8; Address2++) { + if (Block == 0 && + (Address1 * 8 + Address2) == 6) { + DBG_PRINT(" ISR , "); + } else { + DBG_PRINT("0x%08x, ", + readl(BigDevicePointer++)); + } + } + DBG_PRINT("\n"); + } + DBG_PRINT("\n"); + } +} + +/** + * DumpDeviceReg + * @pAdapter: pointer to our adapter + * + * Dumps the first 64 regs of each block of the et-1310 (each block is + * mapped to a new page, each page is 4096 bytes). + */ +void DumpDeviceReg(int dbgLvl, struct et131x_adapter *pAdapter) +{ + uint32_t Address1, Address2; + uint32_t Block; + uint32_t __iomem *BigDevicePointer = + (uint32_t __iomem *) pAdapter->CSRAddress; + uint32_t __iomem *Pointer; + const char *BlockNames[NUM_BLOCKS] = { + "Global", "Tx DMA", "Rx DMA", "Tx MAC", + "Rx MAC", "MAC", "MAC Stat", "MMC" + }; + + /* Output the debug counters to the debug terminal */ + if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) { + for (Block = 0; Block < NUM_BLOCKS; Block++) { + DBG_PRINT("%s block\n", BlockNames[Block]); + Pointer = BigDevicePointer + (Block * 1024); + + for (Address1 = 0; Address1 < 8; Address1++) { + for (Address2 = 0; Address2 < 8; Address2++) { + DBG_PRINT("0x%08x, ", + readl(Pointer++)); + } + DBG_PRINT("\n"); + } + DBG_PRINT("\n"); + } + } +} + +#endif // CONFIG_ET131X_DEBUG diff --git a/drivers/staging/et131x/et131x_debug.h b/drivers/staging/et131x/et131x_debug.h new file mode 100644 index 000000000000..dab608031d0b --- /dev/null +++ b/drivers/staging/et131x/et131x_debug.h @@ -0,0 +1,201 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_debug.h - Defines, structs, enums, prototypes, etc. used for + * outputting debug messages to the system logging facility + * (ksyslogd) + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_DBG_H__ +#define __ET131X_DBG_H__ + +/* Define Masks for debugging types/levels */ +#define DBG_ERROR_ON 0x00000001L +#define DBG_WARNING_ON 0x00000002L +#define DBG_NOTICE_ON 0x00000004L +#define DBG_TRACE_ON 0x00000008L +#define DBG_VERBOSE_ON 0x00000010L +#define DBG_PARAM_ON 0x00000020L +#define DBG_BREAK_ON 0x00000040L +#define DBG_RX_ON 0x00000100L +#define DBG_TX_ON 0x00000200L + +#ifdef CONFIG_ET131X_DEBUG + +/* + * Set the level of debugging if not done with a preprocessor define. See + * et131x_main.c, function et131x_init_module() for how the debug level + * translates into the types of messages displayed. + */ +#ifndef DBG_LVL +#define DBG_LVL 3 +#endif /* DBG_LVL */ + +#define DBG_DEFAULTS (DBG_ERROR_ON | DBG_WARNING_ON | DBG_BREAK_ON ) + +#define DBG_FLAGS(A) (A)->dbgFlags +#define DBG_NAME(A) (A)->dbgName +#define DBG_LEVEL(A) (A)->dbgLevel + +#ifndef DBG_PRINT +#define DBG_PRINT(S...) printk(KERN_DEBUG S) +#endif /* DBG_PRINT */ + +#ifndef DBG_PRINTC +#define DBG_PRINTC(S...) printk(S) +#endif /* DBG_PRINTC */ + +#ifndef DBG_TRAP +#define DBG_TRAP {} /* BUG() */ +#endif /* DBG_TRAP */ + +#define _ENTER_STR ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" +#define _LEAVE_STR "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" + +#define _DBG_ENTER(A) printk(KERN_DEBUG "%s:%.*s:%s\n", DBG_NAME(A), \ + ++DBG_LEVEL(A), _ENTER_STR, __func__) +#define _DBG_LEAVE(A) printk(KERN_DEBUG "%s:%.*s:%s\n", DBG_NAME(A), \ + DBG_LEVEL(A)--, _LEAVE_STR, __func__) + +#define DBG_ENTER(A) {if (DBG_FLAGS(A) & DBG_TRACE_ON) \ + _DBG_ENTER(A);} + +#define DBG_LEAVE(A) {if (DBG_FLAGS(A) & DBG_TRACE_ON) \ + _DBG_LEAVE(A);} + +#define DBG_PARAM(A,N,F,S...) {if (DBG_FLAGS(A) & DBG_PARAM_ON) \ + DBG_PRINT(" %s -- "F"\n",N,S);} + +#define DBG_ERROR(A,S...) \ + if (DBG_FLAGS(A) & DBG_ERROR_ON) { \ + DBG_PRINT("%s:ERROR:%s ",DBG_NAME(A), __func__); \ + DBG_PRINTC(S); \ + DBG_TRAP; \ + } + +#define DBG_WARNING(A,S...) {if (DBG_FLAGS(A) & DBG_WARNING_ON) \ + {DBG_PRINT("%s:WARNING:%s ",DBG_NAME(A),__func__);DBG_PRINTC(S);}} + +#define DBG_NOTICE(A,S...) {if (DBG_FLAGS(A) & DBG_NOTICE_ON) \ + {DBG_PRINT("%s:NOTICE:%s ",DBG_NAME(A),__func__);DBG_PRINTC(S);}} + +#define DBG_TRACE(A,S...) {if (DBG_FLAGS(A) & DBG_TRACE_ON) \ + {DBG_PRINT("%s:TRACE:%s ",DBG_NAME(A), __func__);DBG_PRINTC(S);}} + +#define DBG_VERBOSE(A,S...) {if (DBG_FLAGS(A) & DBG_VERBOSE_ON) \ + {DBG_PRINT("%s:VERBOSE:%s ",DBG_NAME(A), __func__);DBG_PRINTC(S);}} + +#define DBG_RX(A,S...) {if (DBG_FLAGS(A) & DBG_RX_ON) \ + {DBG_PRINT(S);}} + +#define DBG_RX_ENTER(A) {if (DBG_FLAGS(A) & DBG_RX_ON) \ + _DBG_ENTER(A);} + +#define DBG_RX_LEAVE(A) {if (DBG_FLAGS(A) & DBG_RX_ON) \ + _DBG_LEAVE(A);} + +#define DBG_TX(A,S...) {if (DBG_FLAGS(A) & DBG_TX_ON) \ + {DBG_PRINT(S);}} + +#define DBG_TX_ENTER(A) {if (DBG_FLAGS(A) & DBG_TX_ON) \ + _DBG_ENTER(A);} + +#define DBG_TX_LEAVE(A) {if (DBG_FLAGS(A) & DBG_TX_ON) \ + _DBG_LEAVE(A);} + +#define DBG_ASSERT(C) {if (!(C)) \ + {DBG_PRINT("ASSERT(%s) -- %s#%d (%s)\n", \ + #C,__FILE__,__LINE__,__func__); \ + DBG_TRAP;}} +#define STATIC + +typedef struct { + char *dbgName; + int dbgLevel; + unsigned long dbgFlags; +} dbg_info_t; + +#else /* CONFIG_ET131X_DEBUG */ + +#define DBG_DEFN +#define DBG_TRAP +#define DBG_PRINT(S...) +#define DBG_ENTER(A) +#define DBG_LEAVE(A) +#define DBG_PARAM(A,N,F,S...) +#define DBG_ERROR(A,S...) +#define DBG_WARNING(A,S...) +#define DBG_NOTICE(A,S...) +#define DBG_TRACE(A,S...) +#define DBG_VERBOSE(A,S...) +#define DBG_RX(A,S...) +#define DBG_RX_ENTER(A) +#define DBG_RX_LEAVE(A) +#define DBG_TX(A,S...) +#define DBG_TX_ENTER(A) +#define DBG_TX_LEAVE(A) +#define DBG_ASSERT(C) +#define STATIC static + +#endif /* CONFIG_ET131X_DEBUG */ + +/* Forward declaration of the private adapter structure */ +struct et131x_adapter; + +void DumpTxQueueContents(int dbgLvl, struct et131x_adapter *adapter); +void DumpDeviceBlock(int dbgLvl, struct et131x_adapter *adapter, + unsigned int Block); +void DumpDeviceReg(int dbgLvl, struct et131x_adapter *adapter); + +#endif /* __ET131X_DBG_H__ */ diff --git a/drivers/staging/et131x/et131x_defs.h b/drivers/staging/et131x/et131x_defs.h new file mode 100644 index 000000000000..886cb78698ef --- /dev/null +++ b/drivers/staging/et131x/et131x_defs.h @@ -0,0 +1,128 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_defs.h - Defines, structs, enums, prototypes, etc. to assist with OS + * compatibility + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_DEFS_H__ +#define __ET131X_DEFS_H__ + +/* Packet and header sizes */ +#define NIC_MIN_PACKET_SIZE 60 +#define NIC_HEADER_SIZE ETH_HLEN /* 14 */ + +/* Multicast list size */ +#define NIC_MAX_MCAST_LIST 128 + +/* Supported Filters */ +#define ET131X_PACKET_TYPE_DIRECTED 0x0001 +#define ET131X_PACKET_TYPE_MULTICAST 0x0002 +#define ET131X_PACKET_TYPE_BROADCAST 0x0004 +#define ET131X_PACKET_TYPE_PROMISCUOUS 0x0008 +#define ET131X_PACKET_TYPE_ALL_MULTICAST 0x0010 + +/* Tx Timeout */ +#define ET131X_TX_TIMEOUT (1 * HZ) +#define NIC_SEND_HANG_THRESHOLD 0 + +/* MP_TCB flags */ +#define fMP_DEST_MULTI 0x00000001 +#define fMP_DEST_BROAD 0x00000002 + +/* MP_ADAPTER flags */ +#define fMP_ADAPTER_RECV_LOOKASIDE 0x00000004 +#define fMP_ADAPTER_INTERRUPT_IN_USE 0x00000008 +#define fMP_ADAPTER_SECONDARY 0x00000010 + +/* MP_SHARED flags */ +#define fMP_ADAPTER_SHUTDOWN 0x00100000 +#define fMP_ADAPTER_LOWER_POWER 0x00200000 + +#define fMP_ADAPTER_NON_RECOVER_ERROR 0x00800000 +#define fMP_ADAPTER_RESET_IN_PROGRESS 0x01000000 +#define fMP_ADAPTER_NO_CABLE 0x02000000 +#define fMP_ADAPTER_HARDWARE_ERROR 0x04000000 +#define fMP_ADAPTER_REMOVE_IN_PROGRESS 0x08000000 +#define fMP_ADAPTER_HALT_IN_PROGRESS 0x10000000 +#define fMP_ADAPTER_LINK_DETECTION 0x20000000 + +#define fMP_ADAPTER_FAIL_SEND_MASK 0x3ff00000 +#define fMP_ADAPTER_NOT_READY_MASK 0x3ff00000 + +/* Some offsets in PCI config space that are actually used. */ +#define ET1310_PCI_PM_CAPABILITY 0x40 +#define ET1310_PCI_PM_CSR 0x44 +#define ET1310_PCI_MAX_PYLD 0x4C +#define ET1310_PCI_DEV_CTRL 0x50 +#define ET1310_PCI_DEV_STAT 0x52 +#define ET1310_NMI_DISABLE 0x61 +#define ET1310_PCI_MAC_ADDRESS 0xA4 +#define ET1310_PCI_EEPROM_STATUS 0xB2 +#define ET1310_PCI_PHY_INDEX_REG 0xB4 +#define ET1310_PCI_ACK_NACK 0xC0 +#define ET1310_PCI_REPLAY 0xC2 +#define ET1310_PCI_L0L1LATENCY 0xCF +#define ET1310_PCI_SEL_PHY_CTRL 0xE4 +#define ET1310_PCI_ADVANCED_ERR 0x100 + +/* PCI Vendor/Product IDs */ +#define ET131X_PCI_VENDOR_ID 0x11C1 // Agere Systems +#define ET131X_PCI_DEVICE_ID_GIG 0xED00 // ET1310 1000 Base-T +#define ET131X_PCI_DEVICE_ID_FAST 0xED01 // ET1310 100 Base-T + +/* Define order of magnitude converter */ +#define NANO_IN_A_MICRO 1000 + +#endif /* __ET131X_DEFS_H__ */ diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c new file mode 100644 index 000000000000..4c6f171f5b7c --- /dev/null +++ b/drivers/staging/et131x/et131x_initpci.c @@ -0,0 +1,1046 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_initpci.c - Routines and data used to register the driver with the + * PCI (and PCI Express) subsystem, as well as basic driver + * init and startup. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" + +#include "et131x_adapter.h" +#include "et131x_netdev.h" +#include "et131x_config.h" +#include "et131x_isr.h" + +#include "et1310_address_map.h" +#include "et1310_jagcore.h" +#include "et1310_tx.h" +#include "et1310_rx.h" +#include "et1310_mac.h" +#include "et1310_eeprom.h" + + +int __devinit et131x_pci_setup(struct pci_dev *pdev, + const struct pci_device_id *ent); +void __devexit et131x_pci_remove(struct pci_dev *pdev); + + +/* Modinfo parameters (filled out using defines from et131x_version.h) */ +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_INFO); +MODULE_LICENSE(DRIVER_LICENSE); + +/* Module Parameters and related data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +static u32 et131x_debug_level = DBG_LVL; +static u32 et131x_debug_flags = DBG_DEFAULTS; + +/* +et131x_debug_level : + Level of debugging desired (0-7) + 7 : DBG_RX_ON | DBG_TX_ON + 6 : DBG_PARAM_ON + 5 : DBG_VERBOSE_ON + 4 : DBG_TRACE_ON + 3 : DBG_NOTICE_ON + 2 : no debug info + 1 : no debug info + 0 : no debug info +*/ + +module_param(et131x_debug_level, uint, 0); +module_param(et131x_debug_flags, uint, 0); + +MODULE_PARM_DESC(et131x_debug_level, "Level of debugging desired (0-7)"); + +static dbg_info_t et131x_info = { DRIVER_NAME_EXT, 0, 0 }; +dbg_info_t *et131x_dbginfo = &et131x_info; +#endif /* CONFIG_ET131X_DEBUG */ + +static struct pci_device_id et131x_pci_table[] __devinitdata = { + {ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_GIG, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0UL}, + {ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_FAST, PCI_ANY_ID, + PCI_ANY_ID, 0, 0, 0UL}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, et131x_pci_table); + +static struct pci_driver et131x_driver = { + .name = DRIVER_NAME, + .id_table = et131x_pci_table, + .probe = et131x_pci_setup, + .remove = __devexit_p(et131x_pci_remove), + .suspend = NULL, //et131x_pci_suspend, + .resume = NULL, //et131x_pci_resume, +}; + + +/** + * et131x_init_module - The "main" entry point called on driver initialization + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_init_module(void) +{ + int result; + +#ifdef CONFIG_ET131X_DEBUG + /* Set the level of debug messages displayed using the module + * parameter + */ + et131x_dbginfo->dbgFlags = et131x_debug_flags; + + switch (et131x_debug_level) { + case 7: + et131x_dbginfo->dbgFlags |= (DBG_RX_ON | DBG_TX_ON); + + case 6: + et131x_dbginfo->dbgFlags |= DBG_PARAM_ON; + + case 5: + et131x_dbginfo->dbgFlags |= DBG_VERBOSE_ON; + + case 4: + et131x_dbginfo->dbgFlags |= DBG_TRACE_ON; + + case 3: + et131x_dbginfo->dbgFlags |= DBG_NOTICE_ON; + + case 2: + case 1: + case 0: + default: + break; + } +#endif /* CONFIG_ET131X_DEBUG */ + + DBG_ENTER(et131x_dbginfo); + DBG_PRINT("%s\n", DRIVER_INFO); + + result = pci_register_driver(&et131x_driver); + + DBG_LEAVE(et131x_dbginfo); + return result; +} + +/** + * et131x_cleanup_module - The entry point called on driver cleanup + */ +void et131x_cleanup_module(void) +{ + DBG_ENTER(et131x_dbginfo); + + pci_unregister_driver(&et131x_driver); + + DBG_LEAVE(et131x_dbginfo); +} + +/* + * These macros map the driver-specific init_module() and cleanup_module() + * routines so they can be called by the kernel. + */ +module_init(et131x_init_module); +module_exit(et131x_cleanup_module); + + +/** + * et131x_find_adapter - Find the adapter and get all the assigned resources + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_find_adapter(struct et131x_adapter *adapter, struct pci_dev *pdev) +{ + int result; + uint8_t eepromStat; + uint8_t maxPayload = 0; + uint8_t read_size_reg; + + DBG_ENTER(et131x_dbginfo); + + /* Allow disabling of Non-Maskable Interrupts in I/O space, to + * support validation. + */ + if (adapter->RegistryNMIDisable) { + uint8_t RegisterVal; + + RegisterVal = inb(ET1310_NMI_DISABLE); + RegisterVal &= 0xf3; + + if (adapter->RegistryNMIDisable == 2) { + RegisterVal |= 0xc; + } + + outb(ET1310_NMI_DISABLE, RegisterVal); + } + + /* We first need to check the EEPROM Status code located at offset + * 0xB2 of config space + */ + result = pci_read_config_byte(pdev, ET1310_PCI_EEPROM_STATUS, + &eepromStat); + + /* THIS IS A WORKAROUND: + * I need to call this function twice to get my card in a + * LG M1 Express Dual running. I tried also a msleep before this + * function, because I thougth there could be some time condidions + * but it didn't work. Call the whole function twice also work. + */ + result = pci_read_config_byte(pdev, ET1310_PCI_EEPROM_STATUS, + &eepromStat); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, "Could not read PCI config space for " + "EEPROM Status\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* Determine if the error(s) we care about are present. If they are + * present, we need to fail. + */ + if (eepromStat & 0x4C) { + result = pci_read_config_byte(pdev, PCI_REVISION_ID, + &adapter->RevisionID); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not read PCI config space for " + "Revision ID\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } else if (adapter->RevisionID == 0x01) { + int32_t nLoop; + uint8_t ucTemp[4] = { 0xFE, 0x13, 0x10, 0xFF }; + + /* Re-write the first 4 bytes if we have an eeprom + * present and the revision id is 1, this fixes the + * corruption seen with 1310 B Silicon + */ + for (nLoop = 0; nLoop < 3; nLoop++) { + EepromWriteByte(adapter, nLoop, ucTemp[nLoop], + 0, SINGLE_BYTE); + } + } + + DBG_ERROR(et131x_dbginfo, + "Fatal EEPROM Status Error - 0x%04x\n", eepromStat); + + /* This error could mean that there was an error reading the + * eeprom or that the eeprom doesn't exist. We will treat + * each case the same and not try to gather additional + * information that normally would come from the eeprom, like + * MAC Address + */ + adapter->bEepromPresent = false; + + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } else { + DBG_TRACE(et131x_dbginfo, "EEPROM Status Code - 0x%04x\n", + eepromStat); + adapter->bEepromPresent = true; + } + + /* Read the EEPROM for information regarding LED behavior. Refer to + * ET1310_phy.c, et131x_xcvr_init(), for its use. + */ + EepromReadByte(adapter, 0x70, &adapter->eepromData[0], 0, SINGLE_BYTE); + EepromReadByte(adapter, 0x71, &adapter->eepromData[1], 0, SINGLE_BYTE); + + if (adapter->eepromData[0] != 0xcd) { + adapter->eepromData[1] = 0x00; // Disable all optional features + } + + /* Let's set up the PORT LOGIC Register. First we need to know what + * the max_payload_size is + */ + result = pci_read_config_byte(pdev, ET1310_PCI_MAX_PYLD, &maxPayload); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, "Could not read PCI config space for " + "Max Payload Size\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* Program the Ack/Nak latency and replay timers */ + maxPayload &= 0x07; // Only the lower 3 bits are valid + + if (maxPayload < 2) { + const uint16_t AckNak[2] = { 0x76, 0xD0 }; + const uint16_t Replay[2] = { 0x1E0, 0x2ED }; + + result = pci_write_config_word(pdev, ET1310_PCI_ACK_NACK, + AckNak[maxPayload]); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not write PCI config space " + "for ACK/NAK\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + result = pci_write_config_word(pdev, ET1310_PCI_REPLAY, + Replay[maxPayload]); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not write PCI config space " + "for Replay Timer\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + } + + /* l0s and l1 latency timers. We are using default values. + * Representing 001 for L0s and 010 for L1 + */ + result = pci_write_config_byte(pdev, ET1310_PCI_L0L1LATENCY, 0x11); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not write PCI config space for " + "Latency Timers\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* Change the max read size to 2k */ + result = pci_read_config_byte(pdev, 0x51, &read_size_reg); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not read PCI config space for Max read size\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + read_size_reg &= 0x8f; + read_size_reg |= 0x40; + + result = pci_write_config_byte(pdev, 0x51, read_size_reg); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not write PCI config space for Max read size\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* PCI Express Configuration registers 0x48-0x5B (Device Control) */ + result = pci_read_config_word(pdev, ET1310_PCI_DEV_CTRL, + &adapter->PciXDevCtl); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not read PCI config space for PCI Express Dev Ctl\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + + /* Get MAC address from config space if an eeprom exists, otherwise + * the MAC address there will not be valid + */ + if (adapter->bEepromPresent) { + int i; + + for (i = 0; i < ETH_ALEN; i++) { + result = pci_read_config_byte( + pdev, ET1310_PCI_MAC_ADDRESS + i, + adapter->PermanentAddress + i); + if (result != PCIBIOS_SUCCESSFUL) { + DBG_ERROR(et131x_dbginfo, + "Could not read PCI config space for MAC address\n"); + DBG_LEAVE(et131x_dbginfo); + return -EIO; + } + } + } + + DBG_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * et131x_error_timer_handler + * @data: timer-specific variable; here a pointer to our adapter structure + * + * The routine called when the error timer expires, to track the number of + * recurring errors. + */ +void et131x_error_timer_handler(unsigned long data) +{ + struct et131x_adapter *pAdapter = (struct et131x_adapter *) data; + PM_CSR_t pm_csr; + + pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value); + + if (pm_csr.bits.pm_phy_sw_coma == 0) { + if (pAdapter->RegistryMACStat) { + UpdateMacStatHostCounters(pAdapter); + } + } else { + DBG_VERBOSE(et131x_dbginfo, + "No interrupts, in PHY coma, pm_csr = 0x%x\n", + pm_csr.value); + } + + if (!pAdapter->Bmsr.bits.link_status && + pAdapter->RegistryPhyComa && + pAdapter->PoMgmt.TransPhyComaModeOnBoot < 11) { + pAdapter->PoMgmt.TransPhyComaModeOnBoot++; + } + + if (pAdapter->PoMgmt.TransPhyComaModeOnBoot == 10) { + if (!pAdapter->Bmsr.bits.link_status + && pAdapter->RegistryPhyComa) { + if (pm_csr.bits.pm_phy_sw_coma == 0) { + // NOTE - This was originally a 'sync with interrupt'. How + // to do that under Linux? + et131x_enable_interrupts(pAdapter); + EnablePhyComa(pAdapter); + } + } + } + + /* This is a periodic timer, so reschedule */ + mod_timer(&pAdapter->ErrorTimer, jiffies + + TX_ERROR_PERIOD * HZ / 1000); +} + +/** + * et131x_link_detection_handler + * + * Timer function for link up at driver load time + */ +void et131x_link_detection_handler(unsigned long data) +{ + struct et131x_adapter *pAdapter = (struct et131x_adapter *) data; + unsigned long lockflags; + + /* Let everyone know that we have run */ + pAdapter->bLinkTimerActive = false; + + if (pAdapter->MediaState == 0) { + spin_lock_irqsave(&pAdapter->Lock, lockflags); + + pAdapter->MediaState = NETIF_STATUS_MEDIA_DISCONNECT; + MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION); + + spin_unlock_irqrestore(&pAdapter->Lock, lockflags); + + netif_carrier_off(pAdapter->netdev); + + pAdapter->bSetPending = false; + } +} + +/** + * et131x_adapter_setup - Set the adapter up as per cassini+ documentation + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_adapter_setup(struct et131x_adapter *pAdapter) +{ + int status = 0; + + DBG_ENTER(et131x_dbginfo); + + /* Configure the JAGCore */ + ConfigGlobalRegs(pAdapter); + + ConfigMACRegs1(pAdapter); + ConfigMMCRegs(pAdapter); + + ConfigRxMacRegs(pAdapter); + ConfigTxMacRegs(pAdapter); + + ConfigRxDmaRegs(pAdapter); + ConfigTxDmaRegs(pAdapter); + + ConfigMacStatRegs(pAdapter); + + /* Move the following code to Timer function?? */ + status = et131x_xcvr_find(pAdapter); + + if (status != 0) { + DBG_WARNING(et131x_dbginfo, "Could not find the xcvr\n"); + } + + /* Prepare the TRUEPHY library. */ + ET1310_PhyInit(pAdapter); + + /* Reset the phy now so changes take place */ + ET1310_PhyReset(pAdapter); + + /* Power down PHY */ + ET1310_PhyPowerDown(pAdapter, 1); + + /* + * We need to turn off 1000 base half dulplex, the mac does not + * support it. For the 10/100 part, turn off all gig advertisement + */ + if (pAdapter->DeviceID != ET131X_PCI_DEVICE_ID_FAST) { + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL); + } else { + ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE); + } + + /* Power up PHY */ + ET1310_PhyPowerDown(pAdapter, 0); + + et131x_setphy_normal(pAdapter); + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_setup_hardware_properties - set up the MAC Address on the ET1310 + * @adapter: pointer to our private adapter structure + */ +void et131x_setup_hardware_properties(struct et131x_adapter *adapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* If have our default mac from registry and no mac address from + * EEPROM then we need to generate the last octet and set it on the + * device + */ + if (!adapter->bOverrideAddress) { + if (adapter->PermanentAddress[0] == 0x00 && + adapter->PermanentAddress[1] == 0x00 && + adapter->PermanentAddress[2] == 0x00 && + adapter->PermanentAddress[3] == 0x00 && + adapter->PermanentAddress[4] == 0x00 && + adapter->PermanentAddress[5] == 0x00) { + /* + * We need to randomly generate the last octet so we + * decrease our chances of setting the mac address to + * same as another one of our cards in the system + */ + get_random_bytes(&adapter->CurrentAddress[5], 1); + + /* + * We have the default value in the register we are + * working with so we need to copy the current + * address into the permanent address + */ + memcpy(adapter->PermanentAddress, + adapter->CurrentAddress, ETH_ALEN); + } else { + /* We do not have an override address, so set the + * current address to the permanent address and add + * it to the device + */ + memcpy(adapter->CurrentAddress, + adapter->PermanentAddress, ETH_ALEN); + } + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_soft_reset - Issue a soft reset to the hardware, complete for ET1310 + * @adapter: pointer to our private adapter structure + */ +void et131x_soft_reset(struct et131x_adapter *adapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Disable MAC Core */ + writel(0xc00f0000, &adapter->CSRAddress->mac.cfg1.value); + + /* Set everything to a reset value */ + writel(0x7F, &adapter->CSRAddress->global.sw_reset.value); + writel(0x000f0000, &adapter->CSRAddress->mac.cfg1.value); + writel(0x00000000, &adapter->CSRAddress->mac.cfg1.value); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_align_allocated_memory - Align allocated memory on a given boundary + * @adapter: pointer to our adapter structure + * @phys_addr: pointer to Physical address + * @offset: pointer to the offset variable + * @mask: correct mask + */ +void et131x_align_allocated_memory(struct et131x_adapter *adapter, + uint64_t *phys_addr, + uint64_t *offset, uint64_t mask) +{ + uint64_t new_addr; + + DBG_ENTER(et131x_dbginfo); + + *offset = 0; + + new_addr = *phys_addr & ~mask; + + if (new_addr != *phys_addr) { + /* Move to next aligned block */ + new_addr += mask + 1; + /* Return offset for adjusting virt addr */ + *offset = new_addr - *phys_addr; + /* Return new physical address */ + *phys_addr = new_addr; + } + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_adapter_memory_alloc + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure (as defined in errno.h). + * + * Allocate all the memory blocks for send, receive and others. + */ +int et131x_adapter_memory_alloc(struct et131x_adapter *adapter) +{ + int status = 0; + + DBG_ENTER(et131x_dbginfo); + + do { + /* Allocate memory for the Tx Ring */ + status = et131x_tx_dma_memory_alloc(adapter); + if (status != 0) { + DBG_ERROR(et131x_dbginfo, + "et131x_tx_dma_memory_alloc FAILED\n"); + break; + } + + /* Receive buffer memory allocation */ + status = et131x_rx_dma_memory_alloc(adapter); + if (status != 0) { + DBG_ERROR(et131x_dbginfo, + "et131x_rx_dma_memory_alloc FAILED\n"); + et131x_tx_dma_memory_free(adapter); + break; + } + + /* Init receive data structures */ + status = et131x_init_recv(adapter); + if (status != 0) { + DBG_ERROR(et131x_dbginfo, "et131x_init_recv FAILED\n"); + et131x_tx_dma_memory_free(adapter); + et131x_rx_dma_memory_free(adapter); + break; + } + } while (0); + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_adapter_memory_free - Free all memory allocated for use by Tx & Rx + * @adapter: pointer to our private adapter structure + */ +void et131x_adapter_memory_free(struct et131x_adapter *adapter) +{ + DBG_ENTER(et131x_dbginfo); + + /* Free DMA memory */ + et131x_tx_dma_memory_free(adapter); + et131x_rx_dma_memory_free(adapter); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_pci_remove + * @pdev: a pointer to the device's pci_dev structure + * + * Registered in the pci_driver structure, this function is called when the + * PCI subsystem detects that a PCI device which matches the information + * contained in the pci_device_id table has been removed. + */ +void __devexit et131x_pci_remove(struct pci_dev *pdev) +{ + struct net_device *netdev; + struct et131x_adapter *adapter; + + DBG_ENTER(et131x_dbginfo); + + /* Retrieve the net_device pointer from the pci_dev struct, as well + * as the private adapter struct + */ + netdev = (struct net_device *) pci_get_drvdata(pdev); + adapter = netdev_priv(netdev); + + /* Perform device cleanup */ + unregister_netdev(netdev); + et131x_adapter_memory_free(adapter); + iounmap(adapter->CSRAddress); + free_netdev(netdev); + pci_release_regions(pdev); + pci_disable_device(pdev); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_pci_setup - Perform device initialization + * @pdev: a pointer to the device's pci_dev structure + * @ent: this device's entry in the pci_device_id table + * + * Returns 0 on success, errno on failure (as defined in errno.h) + * + * Registered in the pci_driver structure, this function is called when the + * PCI subsystem finds a new PCI device which matches the information + * contained in the pci_device_id table. This routine is the equivalent to + * a device insertion routine. + */ +int __devinit et131x_pci_setup(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int result = 0; + int pm_cap; + bool pci_using_dac; + struct net_device *netdev = NULL; + struct et131x_adapter *adapter = NULL; + + DBG_ENTER(et131x_dbginfo); + + /* Enable the device via the PCI subsystem */ + result = pci_enable_device(pdev); + if (result != 0) { + DBG_ERROR(et131x_dbginfo, "pci_enable_device() failed\n"); + goto out; + } + + /* Perform some basic PCI checks */ + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + DBG_ERROR(et131x_dbginfo, + "Can't find PCI device's base address\n"); + result = -ENODEV; + goto out; + } + + result = pci_request_regions(pdev, DRIVER_NAME); + if (result != 0) { + DBG_ERROR(et131x_dbginfo, "Can't get PCI resources\n"); + goto err_disable; + } + + /* Enable PCI bus mastering */ + DBG_TRACE(et131x_dbginfo, "Setting PCI Bus Mastering...\n"); + pci_set_master(pdev); + + /* Query PCI for Power Mgmt Capabilities + * + * NOTE: Now reading PowerMgmt in another location; is this still + * needed? + */ + pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); + if (pm_cap == 0) { + DBG_ERROR(et131x_dbginfo, + "Cannot find Power Management capabilities\n"); + result = -EIO; + goto err_release_res; + } + + /* Check the DMA addressing support of this device */ + if (!pci_set_dma_mask(pdev, 0xffffffffffffffffULL)) { + DBG_TRACE(et131x_dbginfo, "64-bit DMA addressing supported\n"); + pci_using_dac = true; + + result = + pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL); + if (result != 0) { + DBG_ERROR(et131x_dbginfo, + "Unable to obtain 64 bit DMA for consistent allocations\n"); + goto err_release_res; + } + } else if (!pci_set_dma_mask(pdev, 0xffffffffULL)) { + DBG_TRACE(et131x_dbginfo, + "64-bit DMA addressing NOT supported\n"); + DBG_TRACE(et131x_dbginfo, + "32-bit DMA addressing will be used\n"); + pci_using_dac = false; + } else { + DBG_ERROR(et131x_dbginfo, "No usable DMA addressing method\n"); + result = -EIO; + goto err_release_res; + } + + /* Allocate netdev and private adapter structs */ + DBG_TRACE(et131x_dbginfo, + "Allocate netdev and private adapter structs...\n"); + netdev = et131x_device_alloc(); + if (netdev == NULL) { + DBG_ERROR(et131x_dbginfo, "Couldn't alloc netdev struct\n"); + result = -ENOMEM; + goto err_release_res; + } + + /* Setup the fundamental net_device and private adapter structure elements */ + DBG_TRACE(et131x_dbginfo, "Setting fundamental net_device info...\n"); + SET_NETDEV_DEV(netdev, &pdev->dev); + if (pci_using_dac) { + //netdev->features |= NETIF_F_HIGHDMA; + } + + /* + * NOTE - Turn this on when we're ready to deal with SG-DMA + * + * NOTE: According to "Linux Device Drivers", 3rd ed, Rubini et al, + * if checksumming is not performed in HW, then the kernel will not + * use SG. + * From pp 510-511: + * + * "Note that the kernel does not perform scatter/gather I/O to your + * device if it does not also provide some form of checksumming as + * well. The reason is that, if the kernel has to make a pass over a + * fragmented ("nonlinear") packet to calculate the checksum, it + * might as well copy the data and coalesce the packet at the same + * time." + * + * This has been verified by setting the flags below and still not + * receiving a scattered buffer from the network stack, so leave it + * off until checksums are calculated in HW. + */ + //netdev->features |= NETIF_F_SG; + //netdev->features |= NETIF_F_NO_CSUM; + //netdev->features |= NETIF_F_LLTX; + + /* Allocate private adapter struct and copy in relevant information */ + adapter = netdev_priv(netdev); + adapter->pdev = pdev; + adapter->netdev = netdev; + adapter->VendorID = pdev->vendor; + adapter->DeviceID = pdev->device; + + /* Do the same for the netdev struct */ + netdev->irq = pdev->irq; + netdev->base_addr = pdev->resource[0].start; + + /* Initialize spinlocks here */ + DBG_TRACE(et131x_dbginfo, "Initialize spinlocks...\n"); + + spin_lock_init(&adapter->Lock); + spin_lock_init(&adapter->TCBSendQLock); + spin_lock_init(&adapter->TCBReadyQLock); + spin_lock_init(&adapter->SendHWLock); + spin_lock_init(&adapter->SendWaitLock); + spin_lock_init(&adapter->RcvLock); + spin_lock_init(&adapter->RcvPendLock); + spin_lock_init(&adapter->FbrLock); + spin_lock_init(&adapter->PHYLock); + + /* Parse configuration parameters into the private adapter struct */ + et131x_config_parse(adapter); + + /* Find the physical adapter + * + * NOTE: This is the equivalent of the MpFindAdapter() routine; can we + * lump it's init with the device specific init below into a + * single init function? + */ + //while (et131x_find_adapter(adapter, pdev) != 0); + et131x_find_adapter(adapter, pdev); + + /* Map the bus-relative registers to system virtual memory */ + DBG_TRACE(et131x_dbginfo, + "Mapping bus-relative registers to virtual memory...\n"); + + adapter->CSRAddress = ioremap_nocache(pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + if (adapter->CSRAddress == NULL) { + DBG_ERROR(et131x_dbginfo, "Cannot map device registers\n"); + result = -ENOMEM; + goto err_free_dev; + } + + /* Perform device-specific initialization here (See code below) */ + + /* If Phy COMA mode was enabled when we went down, disable it here. */ + { + PM_CSR_t GlobalPmCSR = { 0 }; + + GlobalPmCSR.bits.pm_sysclk_gate = 1; + GlobalPmCSR.bits.pm_txclk_gate = 1; + GlobalPmCSR.bits.pm_rxclk_gate = 1; + writel(GlobalPmCSR.value, + &adapter->CSRAddress->global.pm_csr.value); + } + + /* Issue a global reset to the et1310 */ + DBG_TRACE(et131x_dbginfo, "Issuing soft reset...\n"); + et131x_soft_reset(adapter); + + /* Disable all interrupts (paranoid) */ + DBG_TRACE(et131x_dbginfo, "Disable device interrupts...\n"); + et131x_disable_interrupts(adapter); + + /* Allocate DMA memory */ + result = et131x_adapter_memory_alloc(adapter); + if (result != 0) { + DBG_ERROR(et131x_dbginfo, + "Could not alloc adapater memory (DMA)\n"); + goto err_iounmap; + } + + /* Init send data structures */ + DBG_TRACE(et131x_dbginfo, "Init send data structures...\n"); + et131x_init_send(adapter); + + adapter->PoMgmt.PowerState = NdisDeviceStateD0; + + /* Register the interrupt + * + * NOTE - This is being done in the open routine, where most other + * Linux drivers setup IRQ handlers. Make sure device + * interrupts are not turned on before the IRQ is registered!! + * + * What we will do here is setup the task structure for the + * ISR's deferred handler + */ + INIT_WORK(&adapter->task, et131x_isr_handler); + + /* Determine MAC Address, and copy into the net_device struct */ + DBG_TRACE(et131x_dbginfo, "Retrieve MAC address...\n"); + et131x_setup_hardware_properties(adapter); + + memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN); + + /* Setup et1310 as per the documentation */ + DBG_TRACE(et131x_dbginfo, "Setup the adapter...\n"); + et131x_adapter_setup(adapter); + + /* Create a timer to count errors received by the NIC */ + init_timer(&adapter->ErrorTimer); + + adapter->ErrorTimer.expires = jiffies + TX_ERROR_PERIOD * HZ / 1000; + adapter->ErrorTimer.function = et131x_error_timer_handler; + adapter->ErrorTimer.data = (unsigned long)adapter; + + /* Initialize link state */ + et131x_link_detection_handler((unsigned long)adapter); + + /* Intialize variable for counting how long we do not have link status */ + adapter->PoMgmt.TransPhyComaModeOnBoot = 0; + + /* We can enable interrupts now + * + * NOTE - Because registration of interrupt handler is done in the + * device's open(), defer enabling device interrupts to that + * point + */ + + /* Register the net_device struct with the Linux network layer */ + DBG_TRACE(et131x_dbginfo, "Registering net_device...\n"); + if ((result = register_netdev(netdev)) != 0) { + DBG_ERROR(et131x_dbginfo, "register_netdev() failed\n"); + goto err_mem_free; + } + + /* Register the net_device struct with the PCI subsystem. Save a copy + * of the PCI config space for this device now that the device has + * been initialized, just in case it needs to be quickly restored. + */ + pci_set_drvdata(pdev, netdev); + + pci_save_state(adapter->pdev); + +out: + DBG_LEAVE(et131x_dbginfo); + return result; + +err_mem_free: + et131x_adapter_memory_free(adapter); +err_iounmap: + iounmap(adapter->CSRAddress); +err_free_dev: + free_netdev(netdev); +err_release_res: + pci_release_regions(pdev); +err_disable: + pci_disable_device(pdev); + goto out; +} diff --git a/drivers/staging/et131x/et131x_initpci.h b/drivers/staging/et131x/et131x_initpci.h new file mode 100644 index 000000000000..bbacb6277595 --- /dev/null +++ b/drivers/staging/et131x/et131x_initpci.h @@ -0,0 +1,73 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_initpci.h - Header which includes common data and function prototypes + * related to the driver's PCI (and PCI Express) information. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_INITPCI_H__ +#define __ET131X_INITPCI_H__ + +/* Function Prototypes */ +void et131x_align_allocated_memory(struct et131x_adapter *adapter, + u64 *phys_addr, + u64 *offset, u64 mask); + +int et131x_adapter_setup(struct et131x_adapter *adapter); +int et131x_adapter_memory_alloc(struct et131x_adapter *adapter); +void et131x_adapter_memory_free(struct et131x_adapter *adapter); +void et131x_setup_hardware_properties(struct et131x_adapter *adapter); +void et131x_soft_reset(struct et131x_adapter *adapter); + +#endif /* __ET131X_INITPCI_H__ */ diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c new file mode 100644 index 000000000000..00afad174a62 --- /dev/null +++ b/drivers/staging/et131x/et131x_isr.c @@ -0,0 +1,488 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_isr.c - File which contains the ISR, ISR handler, and related routines + * for processing interrupts from the device. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_mac.h" + +#include "et131x_adapter.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +/** + * et131x_isr - The Interrupt Service Routine for the driver. + * @irq: the IRQ on which the interrupt was received. + * @dev_id: device-specific info (here a pointer to a net_device struct) + * + * Returns a value indicating if the interrupt was handled. + */ +irqreturn_t et131x_isr(int irq, void *dev_id) +{ + bool handled = true; + struct net_device *netdev = (struct net_device *)dev_id; + struct et131x_adapter *adapter = NULL; + INTERRUPT_t status; + + if (netdev == NULL || !netif_device_present(netdev)) { + DBG_WARNING(et131x_dbginfo, + "No net_device struct or device not present\n"); + handled = false; + goto out; + } + + adapter = netdev_priv(netdev); + + /* If the adapter is in low power state, then it should not + * recognize any interrupt + */ + + /* Disable Device Interrupts */ + et131x_disable_interrupts(adapter); + + /* Get a copy of the value in the interrupt status register + * so we can process the interrupting section + */ + status.value = readl(&adapter->CSRAddress->global.int_status.value); + + if (adapter->FlowControl == TxOnly || + adapter->FlowControl == Both) { + status.value &= ~INT_MASK_ENABLE; + } else { + status.value &= ~INT_MASK_ENABLE_NO_FLOW; + } + + /* Make sure this is our interrupt */ + if (!status.value) { +#ifdef CONFIG_ET131X_DEBUG + adapter->Stats.UnhandledInterruptsPerSec++; +#endif + handled = false; + DBG_VERBOSE(et131x_dbginfo, "NOT OUR INTERRUPT\n"); + et131x_enable_interrupts(adapter); + goto out; + } + + /* This is our interrupt, so process accordingly */ +#ifdef CONFIG_ET131X_DEBUG + if (status.bits.rxdma_xfr_done) { + adapter->Stats.RxDmaInterruptsPerSec++; + } + + if (status.bits.txdma_isr) { + adapter->Stats.TxDmaInterruptsPerSec++; + } +#endif + + if (status.bits.watchdog_interrupt) { + PMP_TCB pMpTcb = adapter->TxRing.CurrSendHead; + + if (pMpTcb) { + if (++pMpTcb->PacketStaleCount > 1) { + status.bits.txdma_isr = 1; + } + } + + if (adapter->RxRing.UnfinishedReceives) { + status.bits.rxdma_xfr_done = 1; + } else if (pMpTcb == NULL) { + writel(0, &adapter->CSRAddress->global.watchdog_timer); + } + + status.bits.watchdog_interrupt = 0; +#ifdef CONFIG_ET131X_DEBUG + adapter->Stats.WatchDogInterruptsPerSec++; +#endif + } + + if (status.value == 0) { + /* This interrupt has in some way been "handled" by + * the ISR. Either it was a spurious Rx interrupt, or + * it was a Tx interrupt that has been filtered by + * the ISR. + */ + et131x_enable_interrupts(adapter); + goto out; + } + + /* We need to save the interrupt status value for use in our + * DPC. We will clear the software copy of that in that + * routine. + */ + adapter->Stats.InterruptStatus = status; + + /* Schedule the ISR handler as a bottom-half task in the + * kernel's tq_immediate queue, and mark the queue for + * execution + */ + schedule_work(&adapter->task); + +out: + return IRQ_RETVAL(handled); +} + +/** + * et131x_isr_handler - The ISR handler + * @p_adapter, a pointer to the device's private adapter structure + * + * scheduled to run in a deferred context by the ISR. This is where the ISR's + * work actually gets done. + */ +void et131x_isr_handler(struct work_struct *work) +{ + struct et131x_adapter *pAdapter = + container_of(work, struct et131x_adapter, task); + INTERRUPT_t GlobStatus = pAdapter->Stats.InterruptStatus; + ADDRESS_MAP_t __iomem *iomem = pAdapter->CSRAddress; + + /* + * These first two are by far the most common. Once handled, we clear + * their two bits in the status word. If the word is now zero, we + * exit. + */ + /* Handle all the completed Transmit interrupts */ + if (GlobStatus.bits.txdma_isr) { + DBG_TX(et131x_dbginfo, "TXDMA_ISR interrupt\n"); + et131x_handle_send_interrupt(pAdapter); + } + + /* Handle all the completed Receives interrupts */ + if (GlobStatus.bits.rxdma_xfr_done) { + DBG_RX(et131x_dbginfo, "RXDMA_XFR_DONE interrupt\n"); + et131x_handle_recv_interrupt(pAdapter); + } + + GlobStatus.value &= 0xffffffd7; + + if (GlobStatus.value) { + /* Handle the TXDMA Error interrupt */ + if (GlobStatus.bits.txdma_err) { + TXDMA_ERROR_t TxDmaErr; + + /* Following read also clears the register (COR) */ + TxDmaErr.value = readl(&iomem->txdma.TxDmaError.value); + + DBG_WARNING(et131x_dbginfo, + "TXDMA_ERR interrupt, error = %d\n", + TxDmaErr.value); + } + + /* Handle Free Buffer Ring 0 and 1 Low interrupt */ + if (GlobStatus.bits.rxdma_fb_ring0_low || + GlobStatus.bits.rxdma_fb_ring1_low) { + /* + * This indicates the number of unused buffers in + * RXDMA free buffer ring 0 is <= the limit you + * programmed. Free buffer resources need to be + * returned. Free buffers are consumed as packets + * are passed from the network to the host. The host + * becomes aware of the packets from the contents of + * the packet status ring. This ring is queried when + * the packet done interrupt occurs. Packets are then + * passed to the OS. When the OS is done with the + * packets the resources can be returned to the + * ET1310 for re-use. This interrupt is one method of + * returning resources. + */ + DBG_WARNING(et131x_dbginfo, + "RXDMA_FB_RING0_LOW or " + "RXDMA_FB_RING1_LOW interrupt\n"); + + /* If the user has flow control on, then we will + * send a pause packet, otherwise just exit + */ + if (pAdapter->FlowControl == TxOnly || + pAdapter->FlowControl == Both) { + PM_CSR_t pm_csr; + + /* Tell the device to send a pause packet via + * the back pressure register + */ + pm_csr.value = readl(&iomem->global.pm_csr.value); + if (pm_csr.bits.pm_phy_sw_coma == 0) { + TXMAC_BP_CTRL_t bp_ctrl = { 0 }; + + bp_ctrl.bits.bp_req = 1; + bp_ctrl.bits.bp_xonxoff = 1; + writel(bp_ctrl.value, + &iomem->txmac.bp_ctrl.value); + } + } + } + + /* Handle Packet Status Ring Low Interrupt */ + if (GlobStatus.bits.rxdma_pkt_stat_ring_low) { + DBG_WARNING(et131x_dbginfo, + "RXDMA_PKT_STAT_RING_LOW interrupt\n"); + + /* + * Same idea as with the two Free Buffer Rings. + * Packets going from the network to the host each + * consume a free buffer resource and a packet status + * resource. These resoures are passed to the OS. + * When the OS is done with the resources, they need + * to be returned to the ET1310. This is one method + * of returning the resources. + */ + } + + /* Handle RXDMA Error Interrupt */ + if (GlobStatus.bits.rxdma_err) { + /* + * The rxdma_error interrupt is sent when a time-out + * on a request issued by the JAGCore has occurred or + * a completion is returned with an un-successful + * status. In both cases the request is considered + * complete. The JAGCore will automatically re-try the + * request in question. Normally information on events + * like these are sent to the host using the "Advanced + * Error Reporting" capability. This interrupt is + * another way of getting similar information. The + * only thing required is to clear the interrupt by + * reading the ISR in the global resources. The + * JAGCore will do a re-try on the request. Normally + * you should never see this interrupt. If you start + * to see this interrupt occurring frequently then + * something bad has occurred. A reset might be the + * thing to do. + */ + // TRAP(); + + pAdapter->TxMacTest.value = + readl(&iomem->txmac.tx_test.value); + DBG_WARNING(et131x_dbginfo, + "RxDMA_ERR interrupt, error %x\n", + pAdapter->TxMacTest.value); + } + + /* Handle the Wake on LAN Event */ + if (GlobStatus.bits.wake_on_lan) { + /* + * This is a secondary interrupt for wake on LAN. + * The driver should never see this, if it does, + * something serious is wrong. We will TRAP the + * message when we are in DBG mode, otherwise we + * will ignore it. + */ + DBG_ERROR(et131x_dbginfo, "WAKE_ON_LAN interrupt\n"); + } + + /* Handle the PHY interrupt */ + if (GlobStatus.bits.phy_interrupt) { + PM_CSR_t pm_csr; + MI_BMSR_t BmsrInts, BmsrData; + MI_ISR_t myIsr; + + DBG_VERBOSE(et131x_dbginfo, "PHY interrupt\n"); + + /* If we are in coma mode when we get this interrupt, + * we need to disable it. + */ + pm_csr.value = readl(&iomem->global.pm_csr.value); + if (pm_csr.bits.pm_phy_sw_coma == 1) { + /* + * Check to see if we are in coma mode and if + * so, disable it because we will not be able + * to read PHY values until we are out. + */ + DBG_VERBOSE(et131x_dbginfo, + "Device is in COMA mode, " + "need to wake up\n"); + DisablePhyComa(pAdapter); + } + + /* Read the PHY ISR to clear the reason for the + * interrupt. + */ + MiRead(pAdapter, (uint8_t) offsetof(MI_REGS_t, isr), + &myIsr.value); + + if (!pAdapter->ReplicaPhyLoopbk) { + MiRead(pAdapter, + (uint8_t) offsetof(MI_REGS_t, bmsr), + &BmsrData.value); + + BmsrInts.value = + pAdapter->Bmsr.value ^ BmsrData.value; + pAdapter->Bmsr.value = BmsrData.value; + + DBG_VERBOSE(et131x_dbginfo, + "Bmsr.value = 0x%04x," + "Bmsr_ints.value = 0x%04x\n", + BmsrData.value, BmsrInts.value); + + /* Do all the cable in / cable out stuff */ + et131x_Mii_check(pAdapter, BmsrData, BmsrInts); + } + } + + /* Let's move on to the TxMac */ + if (GlobStatus.bits.txmac_interrupt) { + pAdapter->TxRing.TxMacErr.value = + readl(&iomem->txmac.err.value); + + /* + * When any of the errors occur and TXMAC generates + * an interrupt to report these errors, it usually + * means that TXMAC has detected an error in the data + * stream retrieved from the on-chip Tx Q. All of + * these errors are catastrophic and TXMAC won't be + * able to recover data when these errors occur. In + * a nutshell, the whole Tx path will have to be reset + * and re-configured afterwards. + */ + DBG_WARNING(et131x_dbginfo, + "TXMAC interrupt, error 0x%08x\n", + pAdapter->TxRing.TxMacErr.value); + + /* If we are debugging, we want to see this error, + * otherwise we just want the device to be reset and + * continue + */ + //DBG_TRAP(); + } + + /* Handle RXMAC Interrupt */ + if (GlobStatus.bits.rxmac_interrupt) { + /* + * These interrupts are catastrophic to the device, + * what we need to do is disable the interrupts and + * set the flag to cause us to reset so we can solve + * this issue. + */ + // MP_SET_FLAG( pAdapter, fMP_ADAPTER_HARDWARE_ERROR ); + + DBG_WARNING(et131x_dbginfo, + "RXMAC interrupt, error 0x%08x. Requesting reset\n", + readl(&iomem->rxmac.err_reg.value)); + + DBG_WARNING(et131x_dbginfo, + "Enable 0x%08x, Diag 0x%08x\n", + readl(&iomem->rxmac.ctrl.value), + readl(&iomem->rxmac.rxq_diag.value)); + + /* + * If we are debugging, we want to see this error, + * otherwise we just want the device to be reset and + * continue + */ + // TRAP(); + } + + /* Handle MAC_STAT Interrupt */ + if (GlobStatus.bits.mac_stat_interrupt) { + /* + * This means at least one of the un-masked counters + * in the MAC_STAT block has rolled over. Use this + * to maintain the top, software managed bits of the + * counter(s). + */ + DBG_VERBOSE(et131x_dbginfo, "MAC_STAT interrupt\n"); + HandleMacStatInterrupt(pAdapter); + } + + /* Handle SLV Timeout Interrupt */ + if (GlobStatus.bits.slv_timeout) { + /* + * This means a timeout has occured on a read or + * write request to one of the JAGCore registers. The + * Global Resources block has terminated the request + * and on a read request, returned a "fake" value. + * The most likely reasons are: Bad Address or the + * addressed module is in a power-down state and + * can't respond. + */ + DBG_VERBOSE(et131x_dbginfo, "SLV_TIMEOUT interrupt\n"); + } + } + + if (pAdapter->PoMgmt.PowerState == NdisDeviceStateD0) { + et131x_enable_interrupts(pAdapter); + } +} diff --git a/drivers/staging/et131x/et131x_isr.h b/drivers/staging/et131x/et131x_isr.h new file mode 100644 index 000000000000..76a51d56551e --- /dev/null +++ b/drivers/staging/et131x/et131x_isr.h @@ -0,0 +1,65 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_isr.h - Defines, structs, enums, prototypes, etc. pertaining to the + * ISR processing code. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_ISR_H__ +#define __ET131X_ISR_H__ + +irqreturn_t et131x_isr(int irq, void *dev_id); +void et131x_isr_handler(struct work_struct *work); + +#endif /* __ET131X_ISR_H__ */ diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c new file mode 100644 index 000000000000..de65972ff362 --- /dev/null +++ b/drivers/staging/et131x/et131x_netdev.c @@ -0,0 +1,856 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_netdev.c - Routines and data required by all Linux network devices. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include "et131x_version.h" +#include "et131x_debug.h" +#include "et131x_defs.h" + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "et1310_phy.h" +#include "et1310_pm.h" +#include "et1310_jagcore.h" +#include "et1310_mac.h" +#include "et1310_tx.h" + +#include "et131x_adapter.h" +#include "et131x_isr.h" +#include "et131x_initpci.h" + +/* Data for debugging facilities */ +#ifdef CONFIG_ET131X_DEBUG +extern dbg_info_t *et131x_dbginfo; +#endif /* CONFIG_ET131X_DEBUG */ + +struct net_device_stats *et131x_stats(struct net_device *netdev); +int et131x_open(struct net_device *netdev); +int et131x_close(struct net_device *netdev); +int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd); +void et131x_multicast(struct net_device *netdev); +int et131x_tx(struct sk_buff *skb, struct net_device *netdev); +void et131x_tx_timeout(struct net_device *netdev); +int et131x_change_mtu(struct net_device *netdev, int new_mtu); +int et131x_set_mac_addr(struct net_device *netdev, void *new_mac); +void et131x_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); +void et131x_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); +void et131x_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); + +/** + * et131x_device_alloc + * + * Returns pointer to the allocated and initialized net_device struct for + * this device. + * + * Create instances of net_device and wl_private for the new adapter and + * register the device's entry points in the net_device structure. + */ +struct net_device *et131x_device_alloc(void) +{ + struct net_device *netdev; + + DBG_ENTER(et131x_dbginfo); + + /* Alloc net_device and adapter structs */ + netdev = alloc_etherdev(sizeof(struct et131x_adapter)); + + if (netdev == NULL) { + DBG_ERROR(et131x_dbginfo, + "Alloc of net_device struct failed\n"); + DBG_LEAVE(et131x_dbginfo); + return NULL; + } + + /* Setup the function registration table (and other data) for a + * net_device + */ + //netdev->init = &et131x_init; + //netdev->set_config = &et131x_config; + netdev->get_stats = &et131x_stats; + netdev->open = &et131x_open; + netdev->stop = &et131x_close; + netdev->do_ioctl = &et131x_ioctl; + netdev->set_multicast_list = &et131x_multicast; + netdev->hard_start_xmit = &et131x_tx; + netdev->tx_timeout = &et131x_tx_timeout; + netdev->watchdog_timeo = ET131X_TX_TIMEOUT; + netdev->change_mtu = &et131x_change_mtu; + netdev->set_mac_address = &et131x_set_mac_addr; + + //netdev->ethtool_ops = &et131x_ethtool_ops; + + // Poll? + //netdev->poll = &et131x_poll; + //netdev->poll_controller = &et131x_poll_controller; + + DBG_LEAVE(et131x_dbginfo); + return netdev; +} + +/** + * et131x_stats - Return the current device statistics. + * @netdev: device whose stats are being queried + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +struct net_device_stats *et131x_stats(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + struct net_device_stats *stats = &adapter->net_stats; + CE_STATS_t *devstat = &adapter->Stats; + + DBG_ENTER(et131x_dbginfo); + + stats->rx_packets = devstat->ipackets; + stats->tx_packets = devstat->opackets; + stats->rx_errors = devstat->length_err + devstat->alignment_err + + devstat->crc_err + devstat->code_violations + devstat->other_errors; + stats->tx_errors = devstat->max_pkt_error; + stats->multicast = devstat->multircv; + stats->collisions = devstat->collisions; + + stats->rx_length_errors = devstat->length_err; + stats->rx_over_errors = devstat->rx_ov_flow; + stats->rx_crc_errors = devstat->crc_err; + + // NOTE: These stats don't have corresponding values in CE_STATS, so we're + // going to have to update these directly from within the TX/RX code + //stats->rx_bytes = 20; //devstat->; + //stats->tx_bytes = 20; //devstat->; + //stats->rx_dropped = devstat->; + //stats->tx_dropped = devstat->; + + // NOTE: Not used, can't find analogous statistics + //stats->rx_frame_errors = devstat->; + //stats->rx_fifo_errors = devstat->; + //stats->rx_missed_errors = devstat->; + + //stats->tx_aborted_errors = devstat->; + //stats->tx_carrier_errors = devstat->; + //stats->tx_fifo_errors = devstat->; + //stats->tx_heartbeat_errors = devstat->; + //stats->tx_window_errors = devstat->; + + DBG_LEAVE(et131x_dbginfo); + return stats; +} + +/** + * et131x_open - Open the device for use. + * @netdev: device to be opened + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_open(struct net_device *netdev) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* Start the timer to track NIC errors */ + add_timer(&adapter->ErrorTimer); + + /* Register our ISR */ + DBG_TRACE(et131x_dbginfo, "Registering ISR...\n"); + + result = + request_irq(netdev->irq, et131x_isr, IRQF_SHARED, netdev->name, + netdev); + if (result) { + DBG_ERROR(et131x_dbginfo, "Could not register ISR\n"); + DBG_LEAVE(et131x_dbginfo); + return result; + } + + /* Enable the Tx and Rx DMA engines (if not already enabled) */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Enable device interrupts */ + et131x_enable_interrupts(adapter); + + MP_SET_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE); + + /* We're ready to move some data, so start the queue */ + netif_start_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} + +/** + * et131x_close - Close the device + * @netdev: device to be closed + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_close(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* First thing is to stop the queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + + /* Deregistering ISR */ + MP_CLEAR_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE); + + DBG_TRACE(et131x_dbginfo, "Deregistering ISR...\n"); + free_irq(netdev->irq, netdev); + + /* Stop the error timer */ + del_timer_sync(&adapter->ErrorTimer); + + DBG_LEAVE(et131x_dbginfo); + return 0; +} + +/** + * et131x_ioctl_mii - The function which handles MII IOCTLs + * @netdev: device on which the query is being made + * @reqbuf: the request-specific data buffer + * @cmd: the command request code + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_ioctl_mii(struct net_device *netdev, struct ifreq *reqbuf, int cmd) +{ + int status = 0; + struct et131x_adapter *pAdapter = netdev_priv(netdev); + struct mii_ioctl_data *data = if_mii(reqbuf); + + DBG_ENTER(et131x_dbginfo); + + switch (cmd) { + case SIOCGMIIPHY: + DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIPHY\n"); + data->phy_id = pAdapter->Stats.xcvr_addr; + break; + + case SIOCGMIIREG: + DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIREG\n"); + if (!capable(CAP_NET_ADMIN)) { + status = -EPERM; + } else { + status = MiRead(pAdapter, + data->reg_num, &data->val_out); + } + break; + + case SIOCSMIIREG: + DBG_VERBOSE(et131x_dbginfo, "SIOCSMIIREG\n"); + if (!capable(CAP_NET_ADMIN)) { + status = -EPERM; + } else { + status = MiWrite(pAdapter, data->reg_num, + data->val_in); + } + break; + + default: + status = -EOPNOTSUPP; + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_ioctl - The I/O Control handler for the driver + * @netdev: device on which the control request is being made + * @reqbuf: a pointer to the IOCTL request buffer + * @cmd: the IOCTL command code + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd) +{ + int status = 0; + + DBG_ENTER(et131x_dbginfo); + + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + status = et131x_ioctl_mii(netdev, reqbuf, cmd); + break; + + default: + DBG_WARNING(et131x_dbginfo, "Unhandled IOCTL Code: 0x%04x\n", + cmd); + status = -EOPNOTSUPP; + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_set_packet_filter - Configures the Rx Packet filtering on the device + * @adapter: pointer to our private adapter structure + * + * Returns 0 on success, errno on failure + */ +int et131x_set_packet_filter(struct et131x_adapter *adapter) +{ + int status = 0; + uint32_t filter = adapter->PacketFilter; + RXMAC_CTRL_t ctrl; + RXMAC_PF_CTRL_t pf_ctrl; + + DBG_ENTER(et131x_dbginfo); + + ctrl.value = readl(&adapter->CSRAddress->rxmac.ctrl.value); + pf_ctrl.value = readl(&adapter->CSRAddress->rxmac.pf_ctrl.value); + + /* Default to disabled packet filtering. Enable it in the individual + * case statements that require the device to filter something + */ + ctrl.bits.pkt_filter_disable = 1; + + /* Set us to be in promiscuous mode so we receive everything, this + * is also true when we get a packet filter of 0 + */ + if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) { + pf_ctrl.bits.filter_broad_en = 0; + pf_ctrl.bits.filter_multi_en = 0; + pf_ctrl.bits.filter_uni_en = 0; + } else { + /* + * Set us up with Multicast packet filtering. Three cases are + * possible - (1) we have a multi-cast list, (2) we receive ALL + * multicast entries or (3) we receive none. + */ + if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) { + DBG_VERBOSE(et131x_dbginfo, + "Multicast filtering OFF (Rx ALL MULTICAST)\n"); + pf_ctrl.bits.filter_multi_en = 0; + } else { + DBG_VERBOSE(et131x_dbginfo, "Multicast filtering ON\n"); + SetupDeviceForMulticast(adapter); + pf_ctrl.bits.filter_multi_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } + + /* Set us up with Unicast packet filtering */ + if (filter & ET131X_PACKET_TYPE_DIRECTED) { + DBG_VERBOSE(et131x_dbginfo, "Unicast Filtering ON\n"); + SetupDeviceForUnicast(adapter); + pf_ctrl.bits.filter_uni_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } + + /* Set us up with Broadcast packet filtering */ + if (filter & ET131X_PACKET_TYPE_BROADCAST) { + DBG_VERBOSE(et131x_dbginfo, "Broadcast Filtering ON\n"); + pf_ctrl.bits.filter_broad_en = 1; + ctrl.bits.pkt_filter_disable = 0; + } else { + DBG_VERBOSE(et131x_dbginfo, + "Broadcast Filtering OFF\n"); + pf_ctrl.bits.filter_broad_en = 0; + } + + /* Setup the receive mac configuration registers - Packet + * Filter control + the enable / disable for packet filter + * in the control reg. + */ + writel(pf_ctrl.value, + &adapter->CSRAddress->rxmac.pf_ctrl.value); + writel(ctrl.value, &adapter->CSRAddress->rxmac.ctrl.value); + } + + DBG_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_multicast - The handler to configure multicasting on the interface + * @netdev: a pointer to a net_device struct representing the device + */ +void et131x_multicast(struct net_device *netdev) +{ + struct et131x_adapter *adapter = netdev_priv(netdev); + uint32_t PacketFilter = 0; + uint32_t count; + unsigned long lockflags; + struct dev_mc_list *mclist = netdev->mc_list; + + DBG_ENTER(et131x_dbginfo); + + spin_lock_irqsave(&adapter->Lock, lockflags); + + /* Before we modify the platform-independent filter flags, store them + * locally. This allows us to determine if anything's changed and if + * we even need to bother the hardware + */ + PacketFilter = adapter->PacketFilter; + + /* Clear the 'multicast' flag locally; becuase we only have a single + * flag to check multicast, and multiple multicast addresses can be + * set, this is the easiest way to determine if more than one + * multicast address is being set. + */ + PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; + + /* Check the net_device flags and set the device independent flags + * accordingly + */ + DBG_VERBOSE(et131x_dbginfo, + "MULTICAST ADDR COUNT: %d\n", netdev->mc_count); + + if (netdev->flags & IFF_PROMISC) { + DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE ON\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS; + } else { + DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE OFF\n"); + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS; + } + + if (netdev->flags & IFF_ALLMULTI) { + DBG_VERBOSE(et131x_dbginfo, "Request: ACCEPT ALL MULTICAST\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; + } + + if (netdev->mc_count > NIC_MAX_MCAST_LIST) { + DBG_WARNING(et131x_dbginfo, + "ACCEPT ALL MULTICAST for now, as there's more Multicast " + "addresses than the HW supports\n"); + + adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST; + } + + if (netdev->mc_count < 1) { + DBG_VERBOSE(et131x_dbginfo, "Request: REJECT ALL MULTICAST\n"); + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST; + adapter->PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST; + } else { + DBG_VERBOSE(et131x_dbginfo, + "Request: SET MULTICAST FILTER(S)\n"); + adapter->PacketFilter |= ET131X_PACKET_TYPE_MULTICAST; + } + + /* Set values in the private adapter struct */ + adapter->MCAddressCount = netdev->mc_count; + + if (netdev->mc_count) { + if (mclist->dmi_addrlen != ETH_ALEN) { + DBG_WARNING(et131x_dbginfo, + "Multicast addrs are not ETH_ALEN in size\n"); + } else { + count = netdev->mc_count - 1; + memcpy(adapter->MCList[count], mclist->dmi_addr, + ETH_ALEN); + } + } + + /* Are the new flags different from the previous ones? If not, then no + * action is required + * + * NOTE - This block will always update the MCList with the hardware, + * even if the addresses aren't the same. + */ + if (PacketFilter != adapter->PacketFilter) { + /* Call the device's filter function */ + DBG_VERBOSE(et131x_dbginfo, "UPDATE REQUIRED, FLAGS changed\n"); + + et131x_set_packet_filter(adapter); + } else { + DBG_VERBOSE(et131x_dbginfo, + "NO UPDATE REQUIRED, FLAGS didn't change\n"); + } + + spin_unlock_irqrestore(&adapter->Lock, lockflags); + + DBG_LEAVE(et131x_dbginfo); +} + +/** + * et131x_tx - The handler to tx a packet on the device + * @skb: data to be Tx'd + * @netdev: device on which data is to be Tx'd + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_tx(struct sk_buff *skb, struct net_device *netdev) +{ + int status = 0; + + DBG_TX_ENTER(et131x_dbginfo); + + /* Save the timestamp for the TX timeout watchdog */ + netdev->trans_start = jiffies; + + /* Call the device-specific data Tx routine */ + status = et131x_send_packets(skb, netdev); + + /* Check status and manage the netif queue if necessary */ + if (status != 0) { + if (status == -ENOMEM) { + DBG_VERBOSE(et131x_dbginfo, + "OUT OF TCBs; STOP NETIF QUEUE\n"); + + /* Put the queue to sleep until resources are + * available + */ + netif_stop_queue(netdev); + status = 1; + } else { + DBG_WARNING(et131x_dbginfo, + "Misc error; drop packet\n"); + status = 0; + } + } + + DBG_TX_LEAVE(et131x_dbginfo); + return status; +} + +/** + * et131x_tx_timeout - Timeout handler + * @netdev: a pointer to a net_device struct representing the device + * + * The handler called when a Tx request times out. The timeout period is + * specified by the 'tx_timeo" element in the net_device structure (see + * et131x_alloc_device() to see how this value is set). + */ +void et131x_tx_timeout(struct net_device *netdev) +{ + struct et131x_adapter *pAdapter = netdev_priv(netdev); + PMP_TCB pMpTcb; + unsigned long lockflags; + + DBG_WARNING(et131x_dbginfo, "TX TIMEOUT\n"); + + /* Just skip this part if the adapter is doing link detection */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION)) { + DBG_ERROR(et131x_dbginfo, "Still doing link detection\n"); + return; + } + + /* Any nonrecoverable hardware error? + * Checks adapter->flags for any failure in phy reading + */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_NON_RECOVER_ERROR)) { + DBG_WARNING(et131x_dbginfo, "Non recoverable error - remove\n"); + return; + } + + /* Hardware failure? */ + if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_HARDWARE_ERROR)) { + DBG_WARNING(et131x_dbginfo, "hardware error - reset\n"); + return; + } + + /* Is send stuck? */ + spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags); + + pMpTcb = pAdapter->TxRing.CurrSendHead; + + if (pMpTcb != NULL) { + pMpTcb->Count++; + + if (pMpTcb->Count > NIC_SEND_HANG_THRESHOLD) { +#ifdef CONFIG_ET131X_DEBUG + TX_STATUS_BLOCK_t txDmaComplete = + *(pAdapter->TxRing.pTxStatusVa); + PTX_DESC_ENTRY_t pDesc = + pAdapter->TxRing.pTxDescRingVa + + pMpTcb->WrIndex.bits.val; +#endif + TX_DESC_ENTRY_t StuckDescriptors[10]; + + if (pMpTcb->WrIndex.bits.val > 7) { + memcpy(StuckDescriptors, + pAdapter->TxRing.pTxDescRingVa + + pMpTcb->WrIndex.bits.val - 6, + sizeof(TX_DESC_ENTRY_t) * 10); + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, + lockflags); + + DBG_WARNING(et131x_dbginfo, + "Send stuck - reset. pMpTcb->WrIndex %x, Flags 0x%08x\n", + pMpTcb->WrIndex.bits.val, + pMpTcb->Flags); + + DBG_WARNING(et131x_dbginfo, + "pDesc 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", + pDesc->DataBufferPtrHigh, + pDesc->DataBufferPtrLow, pDesc->word2.value, + pDesc->word3.value); + + DBG_WARNING(et131x_dbginfo, + "WbStatus 0x%08x\n", txDmaComplete.value); + +#ifdef CONFIG_ET131X_DEBUG + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 0); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 1); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 3); + DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 5); +#endif + et131x_close(netdev); + et131x_open(netdev); + + return; + } + } + + spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags); +} + +/** + * et131x_change_mtu - The handler called to change the MTU for the device + * @netdev: device whose MTU is to be changed + * @new_mtu: the desired MTU + * + * Returns 0 on success, errno on failure (as defined in errno.h) + */ +int et131x_change_mtu(struct net_device *netdev, int new_mtu) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + + DBG_ENTER(et131x_dbginfo); + + /* Make sure the requested MTU is valid */ + if (new_mtu == 0 || new_mtu > 9216) { + DBG_LEAVE(et131x_dbginfo); + return -EINVAL; + } + + /* Stop the netif queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + et131x_handle_send_interrupt(adapter); + et131x_handle_recv_interrupt(adapter); + + /* Set the new MTU */ + netdev->mtu = new_mtu; + + /* Free Rx DMA memory */ + et131x_adapter_memory_free(adapter); + + /* Set the config parameter for Jumbo Packet support */ + adapter->RegistryJumboPacket = new_mtu + 14; + et131x_soft_reset(adapter); + + /* Alloc and init Rx DMA memory */ + result = et131x_adapter_memory_alloc(adapter); + if (result != 0) { + DBG_WARNING(et131x_dbginfo, + "Change MTU failed; couldn't re-alloc DMA memory\n"); + return result; + } + + et131x_init_send(adapter); + + et131x_setup_hardware_properties(adapter); + memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN); + + /* Init the device with the new settings */ + et131x_adapter_setup(adapter); + + /* Enable interrupts */ + if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) { + et131x_enable_interrupts(adapter); + } + + /* Restart the Tx and Rx DMA engines */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Restart the netif queue */ + netif_wake_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} + +/** + * et131x_set_mac_addr - handler to change the MAC address for the device + * @netdev: device whose MAC is to be changed + * @new_mac: the desired MAC address + * + * Returns 0 on success, errno on failure (as defined in errno.h) + * + * IMPLEMENTED BY : blux http://berndlux.de 22.01.2007 21:14 + */ +int et131x_set_mac_addr(struct net_device *netdev, void *new_mac) +{ + int result = 0; + struct et131x_adapter *adapter = netdev_priv(netdev); + struct sockaddr *address = new_mac; + + DBG_ENTER(et131x_dbginfo); + // begin blux + // DBG_VERBOSE( et131x_dbginfo, "Function not implemented!!\n" ); + + if (adapter == NULL) { + DBG_LEAVE(et131x_dbginfo); + return -ENODEV; + } + + /* Make sure the requested MAC is valid */ + if (!is_valid_ether_addr(address->sa_data)) { + DBG_LEAVE(et131x_dbginfo); + return -EINVAL; + } + + /* Stop the netif queue */ + netif_stop_queue(netdev); + + /* Stop the Tx and Rx DMA engines */ + et131x_rx_dma_disable(adapter); + et131x_tx_dma_disable(adapter); + + /* Disable device interrupts */ + et131x_disable_interrupts(adapter); + et131x_handle_send_interrupt(adapter); + et131x_handle_recv_interrupt(adapter); + + /* Set the new MAC */ + // netdev->set_mac_address = &new_mac; + // netdev->mtu = new_mtu; + + memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len); + + printk("%s: Setting MAC address to %02x:%02x:%02x:%02x:%02x:%02x\n", + netdev->name, netdev->dev_addr[0], netdev->dev_addr[1], + netdev->dev_addr[2], netdev->dev_addr[3], netdev->dev_addr[4], + netdev->dev_addr[5]); + + /* Free Rx DMA memory */ + et131x_adapter_memory_free(adapter); + + /* Set the config parameter for Jumbo Packet support */ + // adapter->RegistryJumboPacket = new_mtu + 14; + // blux: not needet here, w'll change the MAC + + et131x_soft_reset(adapter); + + /* Alloc and init Rx DMA memory */ + result = et131x_adapter_memory_alloc(adapter); + if (result != 0) { + DBG_WARNING(et131x_dbginfo, + "Change MAC failed; couldn't re-alloc DMA memory\n"); + return result; + } + + et131x_init_send(adapter); + + et131x_setup_hardware_properties(adapter); + // memcpy( netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN ); + // blux: no, do not override our nice address + + /* Init the device with the new settings */ + et131x_adapter_setup(adapter); + + /* Enable interrupts */ + if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) { + et131x_enable_interrupts(adapter); + } + + /* Restart the Tx and Rx DMA engines */ + et131x_rx_dma_enable(adapter); + et131x_tx_dma_enable(adapter); + + /* Restart the netif queue */ + netif_wake_queue(netdev); + + DBG_LEAVE(et131x_dbginfo); + return result; +} diff --git a/drivers/staging/et131x/et131x_netdev.h b/drivers/staging/et131x/et131x_netdev.h new file mode 100644 index 000000000000..b8acd14ff830 --- /dev/null +++ b/drivers/staging/et131x/et131x_netdev.h @@ -0,0 +1,64 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_netdev.h - Defines, structs, enums, prototypes, etc. related to the + * driver's net_device support. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_NETDEV_H__ +#define __ET131X_NETDEV_H__ + +struct net_device *et131x_device_alloc(void); + +#endif /* __ET131X_NETDEV_H__ */ diff --git a/drivers/staging/et131x/et131x_version.h b/drivers/staging/et131x/et131x_version.h new file mode 100644 index 000000000000..2ea645e1066e --- /dev/null +++ b/drivers/staging/et131x/et131x_version.h @@ -0,0 +1,81 @@ +/* + * Agere Systems Inc. + * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + *------------------------------------------------------------------------------ + * + * et131x_version.h - This file provides system and device version information. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2005 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef __ET131X_VERSION_H__ +#define __ET131X_VERSION_H__ + +#define DRIVER_AUTHOR "Victor Soriano (vjsoriano@agere.com)" +#define DRIVER_LICENSE "Dual BSD/GPL" +#define DRIVER_DEVICE_STRING "ET1310" +#define DRIVER_NAME "et131x" +#define DRIVER_MAJOR_VERSION 1 +#define DRIVER_MINOR_VERSION 2 +#define DRIVER_PATCH_VERSION 3 +#define DRIVER_VERSION_STRING "1.2.3" +#define DRIVER_VENDOR "Agere Systems, http://www.agere.com" +#define DRIVER_DESC "10/100/1000 Base-T Ethernet Driver" + +#define STRUCT_MODULE "net" /* blux: missed by the kernel */ + +#define DRIVER_INFO DRIVER_DESC " for the "\ + DRIVER_DEVICE_STRING ", v" \ + DRIVER_VERSION_STRING " by " \ + DRIVER_VENDOR + +#define DRIVER_NAME_EXT "et131x.ko" + +#endif /* __ET131X_VERSION_H__ */ -- GitLab From 4d6f6af8d6e76443f298ac030b0fc4fe84bdbd6a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Wed, 19 Mar 2008 14:27:25 -0700 Subject: [PATCH 3631/6244] Staging: add Alacritech slicoss network driver This adds the Alacritech slicoss driver to the tree. This driver is supposed to support: Mojave cards (single port PCI Gigabit) both copper and fiber Oasis cards (single and dual port PCI-x Gigabit) copper and fiber Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber The driver was acutally tested on Oasis and Kalahari cards. TODO: - move firmware loading to request_firmware() - remove direct memory access of structures - any remaining sparse and checkpatch.pl warnings - any netdev recommended changes Many thanks to Lior Dotan for help with the cleanup of this driver. Cc: Lior Dotan Cc: Christopher Harrer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/slicoss/Kconfig | 14 + drivers/staging/slicoss/Makefile | 1 + drivers/staging/slicoss/README | 19 + drivers/staging/slicoss/gbdownload.h | 8215 ++++++++++++++++++++ drivers/staging/slicoss/gbrcvucode.h | 239 + drivers/staging/slicoss/oasisdbgdownload.h | 6850 ++++++++++++++++ drivers/staging/slicoss/oasisdownload.h | 6848 ++++++++++++++++ drivers/staging/slicoss/oasisrcvucode.h | 205 + drivers/staging/slicoss/slic.h | 603 ++ drivers/staging/slicoss/slic_os.h | 163 + drivers/staging/slicoss/slicbuild.h | 97 + drivers/staging/slicoss/slicdbg.h | 101 + drivers/staging/slicoss/slicdump.h | 279 + drivers/staging/slicoss/slichw.h | 850 ++ drivers/staging/slicoss/slicinc.h | 221 + drivers/staging/slicoss/slicoss.c | 6074 +++++++++++++++ 18 files changed, 30782 insertions(+) create mode 100644 drivers/staging/slicoss/Kconfig create mode 100644 drivers/staging/slicoss/Makefile create mode 100644 drivers/staging/slicoss/README create mode 100644 drivers/staging/slicoss/gbdownload.h create mode 100644 drivers/staging/slicoss/gbrcvucode.h create mode 100644 drivers/staging/slicoss/oasisdbgdownload.h create mode 100644 drivers/staging/slicoss/oasisdownload.h create mode 100644 drivers/staging/slicoss/oasisrcvucode.h create mode 100644 drivers/staging/slicoss/slic.h create mode 100644 drivers/staging/slicoss/slic_os.h create mode 100644 drivers/staging/slicoss/slicbuild.h create mode 100644 drivers/staging/slicoss/slicdbg.h create mode 100644 drivers/staging/slicoss/slicdump.h create mode 100644 drivers/staging/slicoss/slichw.h create mode 100644 drivers/staging/slicoss/slicinc.h create mode 100644 drivers/staging/slicoss/slicoss.c diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 4c3789d61a81..e18aecc6daf3 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -25,4 +25,6 @@ if STAGING source "drivers/staging/et131x/Kconfig" +source "drivers/staging/slicoss/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 933b984b5235..e5e4a0ee77a6 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -1,3 +1,4 @@ # Makefile for staging directory obj-$(CONFIG_ET131X) += et131x/ +obj-$(CONFIG_SLICOSS) += slicoss/ diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig new file mode 100644 index 000000000000..d2993d339bc6 --- /dev/null +++ b/drivers/staging/slicoss/Kconfig @@ -0,0 +1,14 @@ +config SLICOSS + tristate "Alacritech Gigabit IS-NIC support" + depends on PCI && X86 && NETDEV_1000 + default n + help + This driver supports Alacritech's IS-NIC gigabit ethernet cards. + + This includes the following devices: + Mojave cards (single port PCI Gigabit) both copper and fiber + Oasis cards (single and dual port PCI-x Gigabit) copper and fiber + Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber + + To compile this driver as a module, choose M here: the module + will be called slicoss. diff --git a/drivers/staging/slicoss/Makefile b/drivers/staging/slicoss/Makefile new file mode 100644 index 000000000000..7bc9e9b9d3ab --- /dev/null +++ b/drivers/staging/slicoss/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_SLICOSS) += slicoss.o diff --git a/drivers/staging/slicoss/README b/drivers/staging/slicoss/README new file mode 100644 index 000000000000..2d5b1127ce51 --- /dev/null +++ b/drivers/staging/slicoss/README @@ -0,0 +1,19 @@ +This driver is supposed to support: + + Mojave cards (single port PCI Gigabit) both copper and fiber + Oasis cards (single and dual port PCI-x Gigabit) copper and fiber + Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber + +The driver was actually tested on Oasis and Kalahari cards. + +TODO: + - move firmware loading to request_firmware() + - remove direct memory access of structures + - any remaining sparse and checkpatch.pl warnings + - any netdev recommended changes + +Please send patches to: + Greg Kroah-Hartman +and Cc: Lior Dotan and Christopher Harrer + as well as they are also able to test out any +changes. diff --git a/drivers/staging/slicoss/gbdownload.h b/drivers/staging/slicoss/gbdownload.h new file mode 100644 index 000000000000..0350fb96c23f --- /dev/null +++ b/drivers/staging/slicoss/gbdownload.h @@ -0,0 +1,8215 @@ +#define MOJAVE_UCODE_VERS_STRING "$Revision: 1.2 $" +#define MOJAVE_UCODE_VERS_DATE "$Date: 2006/03/27 15:12:22 $" +#define MOJAVE_UCODE_HOSTIF_ID 3 + +static LONG MNumSections = 0x2; +static ULONG MSectionSize[] = +{ + 0x00008000, 0x00010000, +}; + +static ULONG MSectionStart[] = +{ + 0x00000000, 0x00008000, +}; + +static u8 MojaveUCode[2][65536] = +{ + { + 0x12, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x18, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, + 0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00, + 0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, + 0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x4c, 0x80, 0xb2, 0x01, 0x00, 0x09, 0x00, 0xa2, 0x40, + 0x75, 0x7d, 0x00, 0x00, 0x60, 0x00, 0x00, 0x40, 0x61, 0x99, 0x01, 0x00, + 0x0b, 0x00, 0xa8, 0xb1, 0x7e, 0x31, 0x00, 0x00, 0x09, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x11, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x00, 0x80, 0x1f, 0xe9, 0x18, 0x31, 0x00, 0x00, 0x00, 0x00, 0x41, 0xe9, + 0x80, 0xb2, 0x01, 0x00, 0x0f, 0x00, 0x40, 0xe9, 0x80, 0xb2, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x16, 0x00, 0x29, 0x40, + 0x81, 0x32, 0x00, 0x00, 0x16, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00, + 0x0f, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x50, 0x40, + 0x81, 0xb2, 0x01, 0x00, 0x00, 0x80, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x10, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x1c, 0x00, 0x29, 0x40, + 0x81, 0x32, 0x00, 0x00, 0x1c, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00, + 0x11, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x50, 0x40, + 0x81, 0xb2, 0x01, 0x00, 0x01, 0x80, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x20, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x22, 0x00, 0x29, 0x40, + 0x81, 0x32, 0x00, 0x00, 0x22, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00, + 0x0e, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, + 0xdd, 0x81, 0x01, 0x00, 0x2b, 0x01, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00, + 0x3c, 0x01, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00, 0x27, 0x00, 0x14, 0xbc, + 0x80, 0x32, 0x00, 0x00, 0x14, 0x01, 0x13, 0xbc, 0x80, 0x32, 0x00, 0x00, + 0x54, 0x95, 0x00, 0x40, 0x45, 0x99, 0x01, 0x00, 0xff, 0xff, 0x00, 0x40, + 0xe5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x2f, 0x40, 0x49, 0xb1, 0x01, 0x00, + 0x00, 0x00, 0x00, 0x40, 0xe1, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4b, + 0xb7, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0xb5, 0xb3, 0x01, 0x00, + 0xd9, 0x00, 0x00, 0x40, 0xb3, 0x33, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, + 0xb6, 0xd3, 0x01, 0x00, 0x32, 0x00, 0x95, 0xe8, 0x80, 0x32, 0x00, 0x00, + 0xff, 0xff, 0x00, 0xe8, 0x80, 0x88, 0x01, 0x00, 0xb8, 0x00, 0x26, 0x40, + 0x81, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0xfd, 0xb3, 0x01, 0x00, + 0x00, 0x00, 0x00, 0x40, 0xff, 0xb3, 0x01, 0x00, 0x3c, 0x00, 0x22, 0x50, + 0x83, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45, 0xfd, 0x93, 0x01, 0x00, + 0xa5, 0xa5, 0x00, 0xa6, 0xb4, 0xa7, 0x01, 0x00, 0x3c, 0x00, 0xa2, 0x50, + 0xb5, 0x73, 0x00, 0x00, 0x00, 0x01, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00, + 0x3c, 0x00, 0xa2, 0x45, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, + 0xfd, 0x93, 0x01, 0x00, 0x41, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x7f, 0x00, 0x00, 0x20, 0xf5, 0xcf, 0x01, 0x00, 0x1c, 0x01, 0x00, 0xfa, + 0xb3, 0x33, 0x01, 0x00, 0xa5, 0xa5, 0x00, 0xda, 0xb5, 0xab, 0x01, 0x00, + 0x99, 0x00, 0xa2, 0x50, 0xb5, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, + 0xfd, 0x93, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x44, 0xb3, 0x33, 0x01, 0x00, + 0x00, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xda, + 0xd7, 0xb1, 0x01, 0x00, 0xff, 0xff, 0x00, 0xda, 0xed, 0x8b, 0x01, 0x00, + 0xd5, 0x00, 0x00, 0x46, 0xb3, 0x33, 0x01, 0x00, 0x08, 0x00, 0x00, 0x40, + 0xd5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xda, 0xd7, 0xb1, 0x01, 0x00, + 0xff, 0x00, 0x00, 0xda, 0xef, 0x8b, 0x01, 0x00, 0xff, 0x00, 0x00, 0xda, + 0xe3, 0x8f, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x48, 0xb3, 0x33, 0x01, 0x00, + 0x3c, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0xff, 0x00, 0x00, 0xda, + 0xd7, 0x8d, 0x01, 0x00, 0xff, 0xff, 0x00, 0xda, 0xf1, 0xdb, 0x01, 0x00, + 0xff, 0x00, 0x00, 0xda, 0xe9, 0x8b, 0x01, 0x00, 0x00, 0x00, 0x00, 0x48, + 0xe9, 0xe3, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x4b, 0xb3, 0x33, 0x01, 0x00, + 0x2c, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xda, + 0xd7, 0xb1, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x4c, 0xb3, 0x33, 0x01, 0x00, + 0xff, 0xff, 0x00, 0xda, 0xeb, 0xdb, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x4e, + 0xb3, 0x33, 0x01, 0x00, 0x03, 0x00, 0x00, 0xda, 0x81, 0x88, 0x01, 0x00, + 0x00, 0x00, 0x00, 0x5c, 0x81, 0xe0, 0x01, 0x00, 0xff, 0xff, 0x00, 0xda, + 0xb5, 0xdb, 0x01, 0x00, 0x5c, 0x00, 0x26, 0x40, 0x81, 0x32, 0x00, 0x00, + 0x01, 0x00, 0x00, 0xda, 0xb5, 0xcf, 0x01, 0x00, 0x00, 0xf0, 0x00, 0xa7, + 0xb4, 0x87, 0x01, 0x00, 0x00, 0x00, 0x00, 0xda, 0x81, 0x94, 0x01, 0x00, + 0x00, 0x00, 0x00, 0x40, 0xd8, 0xb1, 0x01, 0x00, 0xd5, 0x00, 0x00, 0x50, + 0xb3, 0x33, 0x01, 0x00, 0xff, 0xff, 0x00, 0xda, 0xb5, 0x8b, 0x01, 0x00, + 0x62, 0x00, 0x26, 0x4c, 0xb5, 0x63, 0x00, 0x00, 0x01, 0x00, 0x00, 0xda, + 0xb5, 0xcf, 0x01, 0x00, 0x00, 0x00, 0x00, 0xda, 0xdf, 0xb1, 0x01, 0x00, + 0xd5, 0x00, 0x00, 0x52, 0xb3, 0x33, 0x01, 0x00, 0xff, 0x00, 0x00, 0xda, + 0x4b, 0x89, 0x01, 0x00, 0x08, 0x00, 0x00, 0xda, 0xdf, 0xf7, 0x01, 0x00, + 0xff, 0x00, 0x00, 0xef, 0xdf, 0x8b, 0x01, 0x00, 0x69, 0x00, 0x22, 0x40, + 0xdf, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0xfd, 0x93, 0x01, 0x00, + 0x20, 0x00, 0x00, 0x40, 0xb3, 0x9b, 0x01, 0x00, 0xd5, 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0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x00, 0x00, 0x80, 0x40, 0x81, 0xb2, 0x01, 0x00, 0x00, 0x00, 0x00, 0xa8, + 0x10, 0xb1, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, + }, +}; diff --git a/drivers/staging/slicoss/gbrcvucode.h b/drivers/staging/slicoss/gbrcvucode.h new file mode 100644 index 000000000000..dc008349ddd1 --- /dev/null +++ b/drivers/staging/slicoss/gbrcvucode.h @@ -0,0 +1,239 @@ +/* + * Copyright (c) 1997-2002 Alacritech, Inc. All rights reserved + * + * $Id: gbrcvucode.h,v 1.2 2006/03/27 15:12:15 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ +#define GB_RCVUCODE_VERS_STRING "$Revision: 1.2 $" +#define GB_RCVUCODE_VERS_DATE "$Date: 2006/03/27 15:12:15 $" + +static ULONG GBRcvUCodeLen = 512; + +static u8 GBRcvUCode[2560] = +{ 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+static LONG ONumSections = 0x2; +static ULONG OSectionSize[] = +{ + 0x00004000, 0x00010000, +}; + +static ULONG OSectionStart[] = +{ + 0x00000000, 0x00008000, +}; + +static u8 OasisUCode[2][65536] = +{ + { + 0x15, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x21, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, + 0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00, + 0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, + 0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x4c, 0x80, 0xb2, 0x01, 0x00, 0x09, 0x00, 0xa2, 0x40, + 0x75, 0x7d, 0x00, 0x00, 0x60, 0x00, 0x00, 0x40, 0x61, 0x99, 0x01, 0x00, + 0x0b, 0x00, 0xa8, 0xb1, 0x7e, 0x31, 0x00, 0x00, 0x09, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x00, 0x80, 0x8f, 0x98, 0x18, 0x31, 0x00, 0x00, + 0x10, 0x00, 0x00, 0x98, 0x80, 0xe4, 0x01, 0x00, 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b/drivers/staging/slicoss/oasisdownload.h new file mode 100644 index 000000000000..89a440c4c3a7 --- /dev/null +++ b/drivers/staging/slicoss/oasisdownload.h @@ -0,0 +1,6848 @@ +#define OASIS_UCODE_VERS_STRING "$Revision: 1.2 $" +#define OASIS_UCODE_VERS_DATE "$Date: 2006/03/27 15:10:37 $" +#define OASIS_UCODE_HOSTIF_ID 3 + +static LONG ONumSections = 0x2; +static ULONG OSectionSize[] = { + 0x00004000, 0x00010000, +}; + +static ULONG OSectionStart[] = { + 0x00000000, 0x00008000, +}; + +static u8 OasisUCode[2][65536] = +{ + { + 0x15, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x40, + 0x81, 0xb2, 0x00, 0x00, 0x21, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, + 0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00, + 0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, + 0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x4c, 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0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, +0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, +0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, +0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, +}; diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h new file mode 100644 index 000000000000..9707e5a7023a --- /dev/null +++ b/drivers/staging/slicoss/slic.h @@ -0,0 +1,603 @@ +/************************************************************************** + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slic.h,v 1.3 2006/07/14 16:43:02 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slic.h + * + * This is the base set of header definitions for the SLICOSS driver. + */ +#ifndef __SLIC_DRIVER_H__ +#define __SLIC_DRIVER_H__ + + +struct slic_spinlock { + spinlock_t lock; + unsigned long flags; +}; + +#define SLIC_RSPQ_PAGES_GB 10 +#define SLIC_RSPQ_BUFSINPAGE (PAGE_SIZE / SLIC_RSPBUF_SIZE) + +typedef struct _slic_rspqueue_t { + ulong32 offset; + ulong32 pageindex; + ulong32 num_pages; + p_slic_rspbuf_t rspbuf; + pulong32 vaddr[SLIC_RSPQ_PAGES_GB]; + dma_addr_t paddr[SLIC_RSPQ_PAGES_GB]; +} slic_rspqueue_t, *p_slic_rspqueue_t; + +#define SLIC_RCVQ_EXPANSION 1 +#define SLIC_RCVQ_ENTRIES (256 * SLIC_RCVQ_EXPANSION) +#define SLIC_RCVQ_MINENTRIES (SLIC_RCVQ_ENTRIES / 2) +#define SLIC_RCVQ_MAX_PROCESS_ISR ((SLIC_RCVQ_ENTRIES * 4)) +#define SLIC_RCVQ_RCVBUFSIZE 2048 +#define SLIC_RCVQ_FILLENTRIES (16 * SLIC_RCVQ_EXPANSION) +#define SLIC_RCVQ_FILLTHRESH (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES) + +typedef struct _slic_rcvqueue_t { + struct sk_buff *head; + struct sk_buff *tail; + ulong32 count; + ulong32 size; + ulong32 errors; +} slic_rcvqueue_t, *p_slic_rcvqueue_t; + +typedef struct _slic_rcvbuf_info_t { + ulong32 id; + ulong32 starttime; + ulong32 stoptime; + ulong32 slicworld; + ulong32 lasttime; + ulong32 lastid; +} slic_rcvbuf_info_t, *pslic_rcvbuf_info_t; +/* + SLIC Handle structure. Used to restrict handle values to + 32 bits by using an index rather than an address. + Simplifies ucode in 64-bit systems +*/ +typedef struct _slic_handle_word_t { + union { + struct { + ushort index; + ushort bottombits; /* to denote num bufs to card */ + } parts; + ulong32 whole; + } handle; +} slic_handle_word_t, *pslic_handle_word_t; + +typedef struct _slic_handle_t { + slic_handle_word_t token; /* token passed between host and card*/ + ushort type; + pvoid address; /* actual address of the object*/ + ushort offset; + struct _slic_handle_t *other_handle; + struct _slic_handle_t *next; +} slic_handle_t, *pslic_handle_t; + +#define SLIC_HANDLE_FREE 0x0000 +#define SLIC_HANDLE_DATA 0x0001 +#define SLIC_HANDLE_CMD 0x0002 +#define SLIC_HANDLE_CONTEXT 0x0003 +#define SLIC_HANDLE_TEAM 0x0004 + +#define handle_index handle.parts.index +#define handle_bottom handle.parts.bottombits +#define handle_token handle.whole + +#define SLIC_HOSTCMD_SIZE 512 + +typedef struct _slic_hostcmd_t { + slic_host64_cmd_t cmd64; + ulong32 type; + struct sk_buff *skb; + ulong32 paddrl; + ulong32 paddrh; + ulong32 busy; + ulong32 cmdsize; + ushort numbufs; + pslic_handle_t pslic_handle;/* handle associated with command */ + struct _slic_hostcmd_t *next; + struct _slic_hostcmd_t *next_all; +} slic_hostcmd_t, *p_slic_hostcmd_t; + +#define SLIC_CMDQ_CMDSINPAGE (PAGE_SIZE / SLIC_HOSTCMD_SIZE) +#define SLIC_CMD_DUMB 3 +#define SLIC_CMDQ_INITCMDS 256 +#define SLIC_CMDQ_MAXCMDS 256 +#define SLIC_CMDQ_MAXOUTSTAND SLIC_CMDQ_MAXCMDS +#define SLIC_CMDQ_MAXPAGES (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE) +#define SLIC_CMDQ_INITPAGES (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE) + +typedef struct _slic_cmdqmem_t { + int pagecnt; + pulong32 pages[SLIC_CMDQ_MAXPAGES]; + dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES]; +} slic_cmdqmem_t, *p_slic_cmdqmem_t; + +typedef struct _slic_cmdqueue_t { + p_slic_hostcmd_t head; + p_slic_hostcmd_t tail; + int count; + struct slic_spinlock lock; +} slic_cmdqueue_t, *p_slic_cmdqueue_t; + +#ifdef STATUS_SUCCESS +#undef STATUS_SUCCESS +#endif + +#define STATUS_SUCCESS 0 +#define STATUS_PENDING 0 +#define STATUS_FAILURE -1 +#define STATUS_ERROR -2 +#define STATUS_NOT_SUPPORTED -3 +#define STATUS_BUFFER_TOO_SHORT -4 + +#define SLIC_MAX_CARDS 32 +#define SLIC_MAX_PORTS 4 /* Max # of ports per card */ +#if SLIC_DUMP_ENABLED +/* +Dump buffer size + +This cannot be bigger than the max DMA size the card supports, +given the current code structure in the host and ucode. +Mojave supports 16K, Oasis supports 16K-1, so +just set this at 15K, shouldnt make that much of a diff. +*/ +#define DUMP_BUF_SIZE 0x3C00 +#endif + + +typedef struct _mcast_address_t { + uchar address[6]; + struct _mcast_address_t *next; +} mcast_address_t, *p_mcast_address_t; + +#define CARD_DOWN 0x00000000 +#define CARD_UP 0x00000001 +#define CARD_FAIL 0x00000002 +#define CARD_DIAG 0x00000003 +#define CARD_SLEEP 0x00000004 + +#define ADAPT_DOWN 0x00 +#define ADAPT_UP 0x01 +#define ADAPT_FAIL 0x02 +#define ADAPT_RESET 0x03 +#define ADAPT_SLEEP 0x04 + +#define ADAPT_FLAGS_BOOTTIME 0x0001 +#define ADAPT_FLAGS_IS64BIT 0x0002 +#define ADAPT_FLAGS_PENDINGLINKDOWN 0x0004 +#define ADAPT_FLAGS_FIBERMEDIA 0x0008 +#define ADAPT_FLAGS_LOCKS_ALLOCED 0x0010 +#define ADAPT_FLAGS_INT_REGISTERED 0x0020 +#define ADAPT_FLAGS_LOAD_TIMER_SET 0x0040 +#define ADAPT_FLAGS_STATS_TIMER_SET 0x0080 +#define ADAPT_FLAGS_RESET_TIMER_SET 0x0100 + +#define LINK_DOWN 0x00 +#define LINK_CONFIG 0x01 +#define LINK_UP 0x02 + +#define LINK_10MB 0x00 +#define LINK_100MB 0x01 +#define LINK_AUTOSPEED 0x02 +#define LINK_1000MB 0x03 +#define LINK_10000MB 0x04 + +#define LINK_HALFD 0x00 +#define LINK_FULLD 0x01 +#define LINK_AUTOD 0x02 + +#define MAC_DIRECTED 0x00000001 +#define MAC_BCAST 0x00000002 +#define MAC_MCAST 0x00000004 +#define MAC_PROMISC 0x00000008 +#define MAC_LOOPBACK 0x00000010 +#define MAC_ALLMCAST 0x00000020 + +#define SLIC_DUPLEX(x) ((x == LINK_FULLD) ? "FDX" : "HDX") +#define SLIC_SPEED(x) ((x == LINK_100MB) ? "100Mb" : ((x == LINK_1000MB) ?\ + "1000Mb" : " 10Mb")) +#define SLIC_LINKSTATE(x) ((x == LINK_DOWN) ? "Down" : "Up ") +#define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down") +#define SLIC_CARD_STATE(x) ((x == CARD_UP) ? "UP" : "Down") + +typedef struct _slic_iface_stats { + /* + * Stats + */ + ulong64 xmt_bytes; + ulong64 xmt_ucast; + ulong64 xmt_mcast; + ulong64 xmt_bcast; + ulong64 xmt_errors; + ulong64 xmt_discards; + ulong64 xmit_collisions; + ulong64 xmit_excess_xmit_collisions; + ulong64 rcv_bytes; + ulong64 rcv_ucast; + ulong64 rcv_mcast; + ulong64 rcv_bcast; + ulong64 rcv_errors; + ulong64 rcv_discards; +} slic_iface_stats_t, *p_slic_iface_stats_t; + +typedef struct _slic_tcp_stats { + ulong64 xmit_tcp_segs; + ulong64 xmit_tcp_bytes; + ulong64 rcv_tcp_segs; + ulong64 rcv_tcp_bytes; +} slic_tcp_stats_t, *p_slic_tcp_stats_t; + +typedef struct _slicnet_stats { + slic_tcp_stats_t tcp; + slic_iface_stats_t iface; + +} slicnet_stats_t, *p_slicnet_stats_t; + +#define SLIC_LOADTIMER_PERIOD 1 +#define SLIC_INTAGG_DEFAULT 200 +#define SLIC_LOAD_0 0 +#define SLIC_INTAGG_0 0 +#define SLIC_LOAD_1 8000 +#define SLIC_LOAD_2 10000 +#define SLIC_LOAD_3 12000 +#define SLIC_LOAD_4 14000 +#define SLIC_LOAD_5 16000 +#define SLIC_INTAGG_1 50 +#define SLIC_INTAGG_2 100 +#define SLIC_INTAGG_3 150 +#define SLIC_INTAGG_4 200 +#define SLIC_INTAGG_5 250 +#define SLIC_LOAD_1GB 3000 +#define SLIC_LOAD_2GB 6000 +#define SLIC_LOAD_3GB 12000 +#define SLIC_LOAD_4GB 24000 +#define SLIC_LOAD_5GB 48000 +#define SLIC_INTAGG_1GB 50 +#define SLIC_INTAGG_2GB 75 +#define SLIC_INTAGG_3GB 100 +#define SLIC_INTAGG_4GB 100 +#define SLIC_INTAGG_5GB 100 + +typedef struct _ether_header { + uchar ether_dhost[6]; + uchar ether_shost[6]; + ushort ether_type; +} ether_header, *p_ether_header; + +typedef struct _sliccard_t { + uint busnumber; + uint slotnumber; + uint state; + uint cardnum; + uint card_size; + uint adapters_activated; + uint adapters_allocated; + uint adapters_sleeping; + uint gennumber; + ulong32 events; + ulong32 loadlevel_current; + ulong32 load; + uint reset_in_progress; + ulong32 pingstatus; + ulong32 bad_pingstatus; + struct timer_list loadtimer; + ulong32 loadtimerset; + uint config_set; + slic_config_t config; + struct dentry *debugfs_dir; + struct dentry *debugfs_cardinfo; + struct _adapter_t *master; + struct _adapter_t *adapter[SLIC_MAX_PORTS]; + struct _sliccard_t *next; + ulong32 error_interrupts; + ulong32 error_rmiss_interrupts; + ulong32 rcv_interrupts; + ulong32 xmit_interrupts; + ulong32 num_isrs; + ulong32 false_interrupts; + ulong32 max_isr_rcvs; + ulong32 max_isr_xmits; + ulong32 rcv_interrupt_yields; + ulong32 tx_packets; +#if SLIC_DUMP_ENABLED + ulong32 dumpstatus; /* Result of dump UPR */ + pvoid cmdbuffer; + + ulong cmdbuffer_phys; + ulong32 cmdbuffer_physl; + ulong32 cmdbuffer_physh; + + ulong32 dump_count; + struct task_struct *dump_task_id; + ulong32 dump_wait_count; + uint dumpthread_running; /* has a dump thread been init'd */ + uint dump_requested; /* 0 no, 1 = reqstd 2=curr 3=done */ + ulong32 dumptime_start; + ulong32 dumptime_complete; + ulong32 dumptime_delta; + pvoid dumpbuffer; + ulong dumpbuffer_phys; + ulong32 dumpbuffer_physl; + ulong32 dumpbuffer_physh; + wait_queue_head_t dump_wq; + struct file *dumphandle; + mm_segment_t dumpfile_fs; +#endif + ulong32 debug_ix; + ushort reg_type[32]; + ushort reg_offset[32]; + ulong32 reg_value[32]; + ulong32 reg_valueh[32]; +} sliccard_t, *p_sliccard_t; + +#define NUM_CFG_SPACES 2 +#define NUM_CFG_REGS 64 +#define NUM_CFG_REG_ULONGS (NUM_CFG_REGS / sizeof(ulong32)) + +typedef struct _physcard_t { + struct _adapter_t *adapter[SLIC_MAX_PORTS]; + struct _physcard_t *next; + uint adapters_allocd; + + /* the following is not currently needed + ulong32 bridge_busnum; + ulong32 bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS]; + */ +} physcard_t, *p_physcard_t; + +typedef struct _base_driver { + struct slic_spinlock driver_lock; + ulong32 num_slic_cards; + ulong32 num_slic_ports; + ulong32 num_slic_ports_active; + ulong32 dynamic_intagg; + p_sliccard_t slic_card; + p_physcard_t phys_card; + uint cardnuminuse[SLIC_MAX_CARDS]; +} base_driver_t, *p_base_driver_t; + +extern base_driver_t slic_global; + +typedef struct _slic_shmem_t { + volatile ulong32 isr; + volatile ulong32 linkstatus; + volatile slic_stats_t inicstats; +} slic_shmem_t, *p_slic_shmem_t; + +typedef struct _slic_reg_params_t { + ulong32 linkspeed; + ulong32 linkduplex; + ulong32 fail_on_bad_eeprom; +} slic_reg_params_t, *p_reg_params_t; + +typedef struct _slic_upr_t { + uint adapter; + ulong32 upr_request; + ulong32 upr_data; + ulong32 upr_data_h; + ulong32 upr_buffer; + ulong32 upr_buffer_h; + struct _slic_upr_t *next; + +} slic_upr_t, *p_slic_upr_t; + +typedef struct _slic_ifevents_ti { + uint oflow802; + uint uflow802; + uint Tprtoflow; + uint rcvearly; + uint Bufov; + uint Carre; + uint Longe; + uint Invp; + uint Crc; + uint Drbl; + uint Code; + uint IpHlen; + uint IpLen; + uint IpCsum; + uint TpCsum; + uint TpHlen; +} slic_ifevents_t; + +typedef struct _adapter_t { + pvoid ifp; + p_sliccard_t card; + uint port; + p_physcard_t physcard; + uint physport; + uint cardindex; + uint card_size; + uint chipid; + struct net_device *netdev; + struct net_device *next_netdevice; + struct slic_spinlock adapter_lock; + struct slic_spinlock reset_lock; + struct pci_dev *pcidev; + uint busnumber; + uint slotnumber; + uint functionnumber; + ushort vendid; + ushort devid; + ushort subsysid; + ulong32 irq; + void __iomem *memorybase; + ulong32 memorylength; + ulong32 drambase; + ulong32 dramlength; + uint queues_initialized; + uint allocated; + uint activated; + ulong32 intrregistered; + uint isp_initialized; + uint gennumber; + ulong32 curaddrupper; + p_slic_shmem_t pshmem; + dma_addr_t phys_shmem; + ulong32 isrcopy; + p_slic_regs_t slic_regs; + uchar state; + uchar linkstate; + uchar linkspeed; + uchar linkduplex; + uint flags; + uchar macaddr[6]; + uchar currmacaddr[6]; + ulong32 macopts; + ushort devflags_prev; + ulong64 mcastmask; + p_mcast_address_t mcastaddrs; + p_slic_upr_t upr_list; + uint upr_busy; + struct timer_list pingtimer; + ulong32 pingtimerset; + struct timer_list statstimer; + ulong32 statstimerset; + struct timer_list loadtimer; + ulong32 loadtimerset; + struct dentry *debugfs_entry; + struct slic_spinlock upr_lock; + struct slic_spinlock bit64reglock; + slic_rspqueue_t rspqueue; + slic_rcvqueue_t rcvqueue; + slic_cmdqueue_t cmdq_free; + slic_cmdqueue_t cmdq_done; + slic_cmdqueue_t cmdq_all; + slic_cmdqmem_t cmdqmem; + /* + * SLIC Handles + */ + slic_handle_t slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/ + pslic_handle_t pfree_slic_handles; /* Free object handles*/ + struct slic_spinlock handle_lock; /* Object handle list lock*/ + ushort slic_handle_ix; + + ulong32 xmitq_full; + ulong32 all_reg_writes; + ulong32 icr_reg_writes; + ulong32 isr_reg_writes; + ulong32 error_interrupts; + ulong32 error_rmiss_interrupts; + ulong32 rx_errors; + ulong32 rcv_drops; + ulong32 rcv_interrupts; + ulong32 xmit_interrupts; + ulong32 linkevent_interrupts; + ulong32 upr_interrupts; + ulong32 num_isrs; + ulong32 false_interrupts; + ulong32 tx_packets; + ulong32 xmit_completes; + ulong32 tx_drops; + ulong32 rcv_broadcasts; + ulong32 rcv_multicasts; + ulong32 rcv_unicasts; + ulong32 max_isr_rcvs; + ulong32 max_isr_xmits; + ulong32 rcv_interrupt_yields; + ulong32 intagg_period; + p_inicpm_state_t inicpm_info; + pvoid pinicpm_info; + slic_reg_params_t reg_params; + slic_ifevents_t if_events; + slic_stats_t inicstats_prev; + slicnet_stats_t slic_stats; + struct net_device_stats stats; +} adapter_t, *p_adapter_t; + +#if SLIC_DUMP_ENABLED +#define SLIC_DUMP_REQUESTED 1 +#define SLIC_DUMP_IN_PROGRESS 2 +#define SLIC_DUMP_DONE 3 + +/**************************************************************************** + * + * Microcode crash information structure. This + * structure is written out to the card's SRAM when the microcode panic's. + * + ****************************************************************************/ +typedef struct _slic_crash_info { + ushort cpu_id; + ushort crash_pc; +} slic_crash_info, *p_slic_crash_info; + +#define CRASH_INFO_OFFSET 0x155C + +#endif + +#define UPDATE_STATS(largestat, newstat, oldstat) \ +{ \ + if ((newstat) < (oldstat)) \ + (largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1)); \ + else \ + (largestat) += ((newstat) - (oldstat)); \ +} + +#define UPDATE_STATS_GB(largestat, newstat, oldstat) \ +{ \ + (largestat) += ((newstat) - (oldstat)); \ +} + +#define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result) \ +{ \ + _Result = TRUE; \ + if (*(pulong32)(_AddrA) != *(pulong32)(_AddrB)) \ + _Result = FALSE; \ + if (*(pushort)(&((_AddrA)[4])) != *(pushort)(&((_AddrB)[4]))) \ + _Result = FALSE; \ +} + +#if defined(CONFIG_X86_64) || defined(CONFIG_IA64) +#define SLIC_GET_ADDR_LOW(_addr) (ulong32)((ulong64)(_addr) & \ + 0x00000000FFFFFFFF) +#define SLIC_GET_ADDR_HIGH(_addr) (ulong32)(((ulong64)(_addr) >> 32) & \ + 0x00000000FFFFFFFF) +#else +#define SLIC_GET_ADDR_LOW(_addr) (ulong32)_addr +#define SLIC_GET_ADDR_HIGH(_addr) (ulong32)0 +#endif + +#define FLUSH TRUE +#define DONT_FLUSH FALSE + +#define SIOCSLICDUMPCARD (SIOCDEVPRIVATE+9) +#define SIOCSLICSETINTAGG (SIOCDEVPRIVATE+10) +#define SIOCSLICTRACEDUMP (SIOCDEVPRIVATE+11) + +#endif /* __SLIC_DRIVER_H__ */ diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h new file mode 100644 index 000000000000..2064673f9149 --- /dev/null +++ b/drivers/staging/slicoss/slic_os.h @@ -0,0 +1,163 @@ +/************************************************************************** + * + * Copyright (c)2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slic_os.h,v 1.2 2006/03/27 15:10:15 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slic_os.h + * + * These are the Linux-specific definitions required for the SLICOSS + * driver, which should allow for greater portability to other OSes. + */ +#ifndef _SLIC_OS_SPECIFIC_H_ +#define _SLIC_OS_SPECIFIC_H_ + +typedef unsigned char uchar; +typedef u64 ulong64; +typedef char *pchar; +typedef unsigned char *puchar; +typedef u16 *pushort; +typedef u32 ulong32; +typedef u32 *pulong32; +typedef int *plong32; +typedef unsigned int *puint; +typedef void *pvoid; +typedef unsigned long *pulong; +typedef unsigned int boolean; +typedef unsigned int wchar; +typedef unsigned int *pwchar; +typedef unsigned char UCHAR; +typedef u32 ULONG; +typedef s32 LONG; +#define FALSE (0) +#define TRUE (1) + +#define SLIC_INIT_SPINLOCK(x) \ + { \ + spin_lock_init(&((x).lock)); \ + } +#define SLIC_ACQUIRE_SPINLOCK(x) \ + { \ + spin_lock(&((x).lock)); \ + } + +#define SLIC_RELEASE_SPINLOCK(x) \ + { \ + spin_unlock(&((x).lock)); \ + } + +#define SLIC_ACQUIRE_IRQ_SPINLOCK(x) \ + { \ + spin_lock_irqsave(&((x).lock), (x).flags); \ + } + +#define SLIC_RELEASE_IRQ_SPINLOCK(x) \ + { \ + spin_unlock_irqrestore(&((x).lock), (x).flags); \ + } + +#define ATK_DEBUG 1 + +#if ATK_DEBUG +#define SLIC_TIMESTAMP(value) { \ + struct timeval timev; \ + do_gettimeofday(&timev); \ + value = timev.tv_sec*1000000 + timev.tv_usec; \ +} +#else +#define SLIC_TIMESTAMP(value) +#endif + +#define SLIC_ALLOCATE_MEM(len, flag) kmalloc(len, flag) +#define SLIC_DEALLOCATE_MEM(mem) kfree(mem) +#define SLIC_DEALLOCATE_IRQ_MEM(mem) free(mem) +#define SLIC_ALLOCATE_PAGE(x) (pulong32)get_free_page(GFP_KERNEL) +#define SLIC_DEALLOCATE_PAGE(addr) free_page((ulong32)addr) +#define SLIC_ALLOCATE_PCIMEM(a, sz, physp) \ + pci_alloc_consistent((a)->pcidev, (sz), &(physp)) +#define SLIC_DEALLOCATE_PCIMEM(a, sz, vp, pp) \ + pci_free_consistent((a)->pcidev, (sz), (vp), (pp)) +#define SLIC_GET_PHYSICAL_ADDRESS(addr) virt_to_bus((addr)) +#define SLIC_GET_PHYSICAL_ADDRESS_HIGH(addr) 0 + +#define SLIC_GET_DMA_ADDRESS_WRITE(a, ptr, sz) \ + pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_TODEVICE) +#define SLIC_GET_DMA_ADDRESS_READ(a, ptr, sz) \ + pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_FROMDEVICE) +#define SLIC_UNGET_DMA_ADDRESS_WRITE(a, pa, sz) \ + pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_TODEVICE) +#define SLIC_UNGET_DMA_ADDRESS_READ(a, pa, sz) \ + pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_FROMDEVICE) + +#define SLIC_ZERO_MEMORY(p, sz) memset((p), 0, (sz)) +#define SLIC_EQUAL_MEMORY(src1, src2, len) (!memcmp(src1, src2, len)) +#define SLIC_MOVE_MEMORY(dst, src, len) memcpy((dst), (src), (len)) + +#define SLIC_SECS_TO_JIFFS(x) ((x) * HZ) +#define SLIC_MS_TO_JIFFIES(x) (SLIC_SECS_TO_JIFFS((x)) / 1000) + +#ifdef DEBUG_REGISTER_TRACE +#define WRITE_REG(reg, value, flush) \ + { \ + adapter->card->reg_type[adapter->card->debug_ix] = 0; \ + adapter->card->reg_offset[adapter->card->debug_ix] = \ + ((puchar)(®)) - ((puchar)adapter->slic_regs); \ + adapter->card->reg_value[adapter->card->debug_ix++] = value; \ + if (adapter->card->debug_ix == 32) \ + adapter->card->debug_ix = 0; \ + slic_reg32_write((®), (value), (flush)); \ + } +#define WRITE_REG64(a, reg, value, regh, valh, flush) \ + { \ + adapter->card->reg_type[adapter->card->debug_ix] = 1; \ + adapter->card->reg_offset[adapter->card->debug_ix] = \ + ((puchar)(®)) - ((puchar)adapter->slic_regs); \ + adapter->card->reg_value[adapter->card->debug_ix] = value; \ + adapter->card->reg_valueh[adapter->card->debug_ix++] = valh; \ + if (adapter->card->debug_ix == 32) \ + adapter->card->debug_ix = 0; \ + slic_reg64_write((a), (®), (value), (®h), (valh), \ + (flush));\ + } +#else +#define WRITE_REG(reg, value, flush) \ + slic_reg32_write((®), (value), (flush)) +#define WRITE_REG64(a, reg, value, regh, valh, flush) \ + slic_reg64_write((a), (®), (value), (®h), (valh), (flush)) +#endif +#define READ_REG(reg, flush) slic_reg32_read((®), (flush)) +#define READ_REGP16(reg, flush) slic_reg16_read((®), (flush)) + +#endif /* _SLIC_OS_SPECIFIC_H_ */ + diff --git a/drivers/staging/slicoss/slicbuild.h b/drivers/staging/slicoss/slicbuild.h new file mode 100644 index 000000000000..ddf16650ad8d --- /dev/null +++ b/drivers/staging/slicoss/slicbuild.h @@ -0,0 +1,97 @@ +/************************************************************************** + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slicbuild.h,v 1.2 2006/03/27 15:10:10 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slicbuild.h + * + * The following contains the compiler directive switches used for + * different SLIC build options. They can all be set in the Makefile + * but the defaults are defined here. + */ +#ifndef _SLIC_BUILD_H_ +#define _SLIC_BUILD_H_ + +#ifndef SLIC_PRODUCTION_BUILD +#define SLIC_PRODUCTION_BUILD 1 +#endif +#ifndef SLIC_FAILURE_RESET +#define SLIC_FAILURE_RESET 1 +#endif +#define DBG 1 +#ifndef SLIC_ASSERT_ENABLED +#define SLIC_ASSERT_ENABLED 1 +#endif +#ifndef SLIC_MCAST_ENABLED +#define SLIC_MCAST_ENABLED 1 +#endif +#ifndef SLIC_GET_STATS_ENABLED +#define SLIC_GET_STATS_ENABLED 1 +#endif +#ifndef SLIC_GET_STATS_TIMER_ENABLED +#define SLIC_GET_STATS_TIMER_ENABLED 0 +#endif +#ifndef SLIC_PING_TIMER_ENABLED +#define SLIC_PING_TIMER_ENABLED 1 +#endif +#ifndef SLIC_IOCTL_SUPPORT_ENABLED +#define SLIC_IOCTL_SUPPORT_ENABLED 1 +#endif +#ifndef ATK_DEBUG +#define ATK_DEBUG 1 +#endif +#ifndef SLIC_POWER_MANAGEMENT_ENABLED +#define SLIC_POWER_MANAGEMENT_ENABLED 0 +#endif +#ifndef SLIC_INTERRUPT_PROCESS_LIMIT +#define SLIC_INTERRUPT_PROCESS_LIMIT 1 +#endif +#ifndef LINUX_FREES_ADAPTER_RESOURCES +#define LINUX_FREES_ADAPTER_RESOURCES 1 +#endif +#ifndef SLIC_OFFLOAD_IP_CHECKSUM +#define SLIC_OFFLOAD_IP_CHECKSUM 1 +#endif +#ifndef SLIC_POWER_MANAGEMENT_ENABLED +#define SLIC_POWER_MANAGEMENT_ENABLED 0 +#endif +#ifndef STATS_TIMER_INTERVAL +#define STATS_TIMER_INTERVAL 2 +#endif +#ifndef PING_TIMER_INTERVAL +#define PING_TIMER_INTERVAL 1 +#endif + +#endif /* _SLIC_BUILD_H_ */ diff --git a/drivers/staging/slicoss/slicdbg.h b/drivers/staging/slicoss/slicdbg.h new file mode 100644 index 000000000000..c1be56f96279 --- /dev/null +++ b/drivers/staging/slicoss/slicdbg.h @@ -0,0 +1,101 @@ +/************************************************************************** + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slicdbg.h,v 1.2 2006/03/27 15:10:04 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slicdbg.h + * + * All debug and assertion-based definitions and macros are included + * in this file for the SLICOSS driver. + */ +#ifndef _SLIC_DEBUG_H_ +#define _SLIC_DEBUG_H_ + +#ifdef SLIC_DEFAULT_LOG_LEVEL +#else +#define SLICLEVEL KERN_DEBUG +#endif +#define SLIC_DISPLAY printk +#define DBG_ERROR(n, args...) SLIC_DISPLAY(KERN_EMERG n, ##args) + +#define SLIC_DEBUG_MESSAGE 1 +#if SLIC_DEBUG_MESSAGE +/*#define DBG_MSG(n, args...) SLIC_DISPLAY(SLICLEVEL n, ##args)*/ +#define DBG_MSG(n, args...) +#else +#define DBG_MSG(n, args...) +#endif + +#ifdef ASSERT +#undef ASSERT +#endif + +#if SLIC_ASSERT_ENABLED +#ifdef CONFIG_X86_64 +#define VALID_ADDRESS(p) (1) +#else +#define VALID_ADDRESS(p) (((ulong32)(p) & 0x80000000) || ((ulong32)(p) == 0)) +#endif +#ifndef ASSERT +#define ASSERT(a) \ + { \ + if (!(a)) { \ + DBG_ERROR("ASSERT() Failure: file %s, function %s line %d\n",\ + __FILE__, __func__, __LINE__); \ + slic_assert_fail(); \ + } \ + } +#endif +#ifndef ASSERTMSG +#define ASSERTMSG(a,msg) \ + { \ + if (!(a)) { \ + DBG_ERROR("ASSERT() Failure: file %s, function %s"\ + "line %d: %s\n",\ + __FILE__, __func__, __LINE__, (msg)); \ + slic_assert_fail(); \ + } \ + } +#endif +#else +#ifndef ASSERT +#define ASSERT(a) +#endif +#ifndef ASSERTMSG +#define ASSERTMSG(a, msg) +#endif +#endif /* SLIC_ASSERT_ENABLED */ + +#endif /* _SLIC_DEBUG_H_ */ diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h new file mode 100644 index 000000000000..3c46094eff5e --- /dev/null +++ b/drivers/staging/slicoss/slicdump.h @@ -0,0 +1,279 @@ +/* + * $Id: slicdump.h,v 1.2 2006/03/27 15:09:57 mook Exp $ + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * NO LICENSE TO ANY ALACRITECH PATENT CLAIM IS GRANTED BY ANY COPYRIGHT + * LICENSE TO THIS OR OTHER SOFTWARE. THIS SOFTWARE MAY BE COVERED BY + * ALACRITECH PATENTS INCLUDING BUT NOT LIMITED TO U.S. PATENT NOS. 6,226,680, + * 6,247,060, 6,334,153, 6,389,479, 6,393,487, 6,427,171, 6,427,173 + * and 6,434,620. + * THIS SOFTWARE IS NOT SUBJECT TO THE GNU GENERAL PUBLIC LICENSE (GPL). + * + * The views and conclusions contained in the software and + * documentation are those of the authors and should not be + * interpreted as representing official policies, either + * expressed or implied, of Alacritech, Inc. + */ +#ifndef _SLIC_DUMP_H_ +#define _SLIC_DUMP_H_ + +#define DEBUG_SUCCESS 0 + +/*********************************************************************** + * + * Utility processor register locations + * + **********************************************************************/ +#define UTILITY_RESET 0x0 +#define UTILITY_ISP_ADDR 0x4 /* Interrupt status Pointer */ +#define UTILITY_ISR_ADDR 0x8 /* Interrupt status Register */ +#define UTILITY_ICR_ADDR 0xc /* Interrupt Control Register */ +#define UTILITY_CPR_ADDR 0x10 /* Command Pointer Register */ +#define UTILITY_DPR_ADDR 0x14 /* Data Pointer Register */ +#define UTILITY_DMP_TRQ 0x18 /* Dump queue onto ALU for analyser */ +#define UTILITY_UPP_ADDR 0x1c /* Bits 63-32 of cmd/data pointer */ + +/*********************************************************************** + * + * INIC status register bits + * + ***********************************************************************/ +#define SLIC_ISR_CC 0x10000000 /* Command complete - synchronous */ +#define SLIC_ISR_ERR 0x01000000 /* Command Error - synchronous */ +#define SLIC_ISR_CMD_MASK 0x11000000 /* Command status mask */ +#define SLIC_ISR_TPH 0x00080000 /* Transmit processor halted - async */ +#define SLIC_ISR_RPH 0x00040000 /* Receive processor halted - async */ + +/*********************************************************************** + * + * INIC Control register values + * + ***********************************************************************/ +#define SLIC_ICR_OFF 0 /* Interrupts disabled */ +#define SLIC_ICR_ON 1 /* Interrupts enabled */ +#define SLIC_ICR_MASK 2 /* Interrupts masked */ + +#define WRITE_DREG(reg, value, flush) \ +{ \ + writel((value), (reg)); \ + if ((flush)) { \ + mb(); \ + } \ +} + +/************************************************************************ + * + * Command Format + * + * Each command contains a command byte which is defined as follows: + * + * bits: 7-3 2 1-0 + * ---------------------------------------------- + * command Alt. Proc Processor + * + ************************************************************************/ + +/* + * Macro to create the command byte given the command, Alt. Proc, and + * Processor values. Note that the macro assumes that the values are + * preshifted. That is, the values for alt. proc are 0 for transmit and + * 4 for receive. + */ +#define COMMAND_BYTE(command, alt_proc, proc) ((command) | (alt_proc) | (proc)) + +/* + * Command values + */ +#define CMD_HALT 0x0 /* Send a halt to the INIC */ +#define CMD_RUN 0x8 /* Start the halted INIC */ +#define CMD_STEP 0x10 /* Single step the inic */ +#define CMD_BREAK 0x18 /* Set a breakpoint - 8 byte command */ +#define CMD_RESET_BREAK 0x20 /* Reset a breakpoint - 8 byte cmd */ +#define CMD_DUMP 0x28 /* Dump INIC memory - 8 byte command */ +#define CMD_LOAD 0x30 /* Load INIC memory - 8 byte command */ +#define CMD_MAP 0x38 /* Map out a ROM instruction - 8 BC */ +#define CMD_CAM_OPS 0x38 /* perform ops on specific CAM */ +#define CMD_XMT 0x40 /* Transmit frame */ +#define CMD_RCV 0x48 /* Receive frame */ + +/* + * Alt. Proc values + * + * When the proc value is set to the utility processor, the Alt. Proc + * specifies which processor handles the debugging. + */ +#define ALT_PROC_TRANSMIT 0x0 +#define ALT_PROC_RECEIVE 0x4 + +/* + * Proc values + */ +#define PROC_INVALID 0x0 +#define PROC_NONE 0x0 /* Gigabit use */ +#define PROC_TRANSMIT 0x1 +#define PROC_RECEIVE 0x2 +#define PROC_UTILITY 0x3 + +/****************************************************************** + * + * 8 byte command structure definitions + * + ******************************************************************/ + +/* + * Break and Reset Break command structure + */ +typedef struct _BREAK { + uchar command; /* Command word defined above */ + uchar resvd; + ushort count; /* Number of executions before break */ + ulong32 addr; /* Address of break point */ +} BREAK, *PBREAK; + +/* + * Dump and Load command structure + */ +typedef struct _dump_cmd { + uchar cmd; /* Command word defined above */ + uchar desc; /* Descriptor values - defined below */ + ushort count; /* number of 4 byte words to be transferred */ + ulong32 addr; /* start address of dump or load */ +} dump_cmd_t, *pdump_cmd_t; + +/* + * Receive or Transmit a frame. + */ +typedef struct _RCV_OR_XMT_FRAME { + uchar command; /* Command word defined above */ + uchar MacId; /* Mac ID of interface - transmit only */ + ushort count; /* Length of frame in bytes */ + ulong32 pad; /* not used */ +} RCV_OR_XMT_FRAME, *PRCV_OR_XMT_FRAME; + +/* + * Values of desc field in DUMP_OR_LOAD structure + */ +#define DESC_RFILE 0x0 /* Register file */ +#define DESC_SRAM 0x1 /* SRAM */ +#define DESC_DRAM 0x2 /* DRAM */ +#define DESC_QUEUE 0x3 /* queues */ +#define DESC_REG 0x4 /* General registers (pc, status, etc) */ +#define DESC_SENSE 0x5 /* Sense register */ + +/* Descriptor field definitions for CMD_DUMP_CAM */ +#define DUMP_CAM_A 0 +#define DUMP_CAM_B 1 /* unused at present */ +#define DUMP_CAM_C 2 +#define DUMP_CAM_D 3 +#define SEARCH_CAM_A 4 +#define SEARCH_CAM_C 5 + +/* + * Map command to replace a command in ROM with a command in WCS + */ +typedef struct _MAP { + uchar command; /* Command word defined above */ + uchar not_used[3]; + ushort map_to; /* Instruction address in WCS */ + ushort map_out; /* Instruction address in ROM */ +} MAP, *PMAP; + +/* + * Misc definitions + */ +#define SLIC_MAX_QUEUE 32 /* Total # of queues on the INIC (0-31)*/ +#define SLIC_4MAX_REG 512 /* Total # of 4-port file-registers */ +#define SLIC_1MAX_REG 384 /* Total # of file-registers */ +#define SLIC_GBMAX_REG 1024 /* Total # of Gbit file-registers */ +#define SLIC_NUM_REG 32 /* non-file-registers = NUM_REG in tm-simba.h */ +#define SLIC_GB_CAMA_SZE 32 +#define SLIC_GB_CAMB_SZE 16 +#define SLIC_GB_CAMAB_SZE 32 +#define SLIC_GB_CAMC_SZE 16 +#define SLIC_GB_CAMD_SZE 16 +#define SLIC_GB_CAMCD_SZE 32 + +/* + * Coredump header structure + */ +typedef struct _CORE_Q { + ulong32 queueOff; /* Offset of queue */ + ulong32 queuesize; /* size of queue */ +} CORE_Q; + +#define DRIVER_NAME_SIZE 32 + +typedef struct _sliccore_hdr_t { + uchar driver_version[DRIVER_NAME_SIZE]; /* Driver version string */ + ulong32 RcvRegOff; /* Offset of receive registers */ + ulong32 RcvRegsize; /* size of receive registers */ + ulong32 XmtRegOff; /* Offset of transmit registers */ + ulong32 XmtRegsize; /* size of transmit registers */ + ulong32 FileRegOff; /* Offset of register file */ + ulong32 FileRegsize; /* size of register file */ + ulong32 SramOff; /* Offset of Sram */ + ulong32 Sramsize; /* size of Sram */ + ulong32 DramOff; /* Offset of Dram */ + ulong32 Dramsize; /* size of Dram */ + CORE_Q queues[SLIC_MAX_QUEUE]; /* size and offsets of queues */ + ulong32 CamAMOff; /* Offset of CAM A contents */ + ulong32 CamASize; /* Size of Cam A */ + ulong32 CamBMOff; /* Offset of CAM B contents */ + ulong32 CamBSize; /* Size of Cam B */ + ulong32 CamCMOff; /* Offset of CAM C contents */ + ulong32 CamCSize; /* Size of Cam C */ + ulong32 CamDMOff; /* Offset of CAM D contents */ + ulong32 CamDSize; /* Size of Cam D */ +} sliccore_hdr_t, *p_sliccore_hdr_t; + +/* + * definitions needed for our kernel-mode gdb stub. + */ +/*********************************************************************** + * + * Definitions & Typedefs + * + **********************************************************************/ +#define BUFMAX 0x20000 /* 128k - size of input/output buffer */ +#define BUFMAXP2 5 /* 2**5 (32) 4K pages */ + +#define IOCTL_SIMBA_BREAK _IOW('s', 0, unsigned long) +/* #define IOCTL_SIMBA_INIT _IOW('s', 1, unsigned long) */ +#define IOCTL_SIMBA_KILL_TGT_PROC _IOW('s', 2, unsigned long) + +/*********************************************************************** + * + * Global variables + * + ***********************************************************************/ + +#define THREADRECEIVE 1 /* bit 0 of StoppedThreads */ +#define THREADTRANSMIT 2 /* bit 1 of StoppedThreads */ +#define THREADBOTH 3 /* bit 0 and 1.. */ + +#endif /* _SLIC_DUMP_H */ diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h new file mode 100644 index 000000000000..d5765c4dc665 --- /dev/null +++ b/drivers/staging/slicoss/slichw.h @@ -0,0 +1,850 @@ +/************************************************************************** + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slichw.h,v 1.3 2008/03/17 19:27:26 chris Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slichw.h + * + * This header file contains definitions that are common to our hardware. + */ +#ifndef __SLICHW_H__ +#define __SLICHW_H__ + +#define PCI_VENDOR_ID_ALACRITECH 0x139A +#define SLIC_1GB_DEVICE_ID 0x0005 +#define SLIC_2GB_DEVICE_ID 0x0007 /*Oasis Device ID */ + +#define SLIC_1GB_CICADA_SUBSYS_ID 0x0008 + +#define SLIC_NBR_MACS 4 + +#define SLIC_RCVBUF_SIZE 2048 +#define SLIC_RCVBUF_HEADSIZE 34 +#define SLIC_RCVBUF_TAILSIZE 0 +#define SLIC_RCVBUF_DATASIZE (SLIC_RCVBUF_SIZE - (SLIC_RCVBUF_HEADSIZE +\ + SLIC_RCVBUF_TAILSIZE)) + +#define VGBSTAT_XPERR 0x40000000 +#define VGBSTAT_XERRSHFT 25 +#define VGBSTAT_XCSERR 0x23 +#define VGBSTAT_XUFLOW 0x22 +#define VGBSTAT_XHLEN 0x20 +#define VGBSTAT_NETERR 0x01000000 +#define VGBSTAT_NERRSHFT 16 +#define VGBSTAT_NERRMSK 0x1ff +#define VGBSTAT_NCSERR 0x103 +#define VGBSTAT_NUFLOW 0x102 +#define VGBSTAT_NHLEN 0x100 +#define VGBSTAT_LNKERR 0x00000080 +#define VGBSTAT_LERRMSK 0xff +#define VGBSTAT_LDEARLY 0x86 +#define VGBSTAT_LBOFLO 0x85 +#define VGBSTAT_LCODERR 0x84 +#define VGBSTAT_LDBLNBL 0x83 +#define VGBSTAT_LCRCERR 0x82 +#define VGBSTAT_LOFLO 0x81 +#define VGBSTAT_LUFLO 0x80 +#define IRHDDR_FLEN_MSK 0x0000ffff +#define IRHDDR_SVALID 0x80000000 +#define IRHDDR_ERR 0x10000000 +#define VRHSTAT_802OE 0x80000000 +#define VRHSTAT_TPOFLO 0x10000000 +#define VRHSTATB_802UE 0x80000000 +#define VRHSTATB_RCVE 0x40000000 +#define VRHSTATB_BUFF 0x20000000 +#define VRHSTATB_CARRE 0x08000000 +#define VRHSTATB_LONGE 0x02000000 +#define VRHSTATB_PREA 0x01000000 +#define VRHSTATB_CRC 0x00800000 +#define VRHSTATB_DRBL 0x00400000 +#define VRHSTATB_CODE 0x00200000 +#define VRHSTATB_TPCSUM 0x00100000 +#define VRHSTATB_TPHLEN 0x00080000 +#define VRHSTATB_IPCSUM 0x00040000 +#define VRHSTATB_IPLERR 0x00020000 +#define VRHSTATB_IPHERR 0x00010000 +#define SLIC_MAX64_BCNT 23 +#define SLIC_MAX32_BCNT 26 +#define IHCMD_XMT_REQ 0x01 +#define IHFLG_IFSHFT 2 +#define SLIC_RSPBUF_SIZE 32 + +#define SLIC_RESET_MAGIC 0xDEAD +#define ICR_INT_OFF 0 +#define ICR_INT_ON 1 +#define ICR_INT_MASK 2 + +#define ISR_ERR 0x80000000 +#define ISR_RCV 0x40000000 +#define ISR_CMD 0x20000000 +#define ISR_IO 0x60000000 +#define ISR_UPC 0x10000000 +#define ISR_LEVENT 0x08000000 +#define ISR_RMISS 0x02000000 +#define ISR_UPCERR 0x01000000 +#define ISR_XDROP 0x00800000 +#define ISR_UPCBSY 0x00020000 +#define ISR_EVMSK 0xffff0000 +#define ISR_PINGMASK 0x00700000 +#define ISR_PINGDSMASK 0x00710000 +#define ISR_UPCMASK 0x11000000 +#define SLIC_WCS_START 0x80000000 +#define SLIC_WCS_COMPARE 0x40000000 +#define SLIC_RCVWCS_BEGIN 0x40000000 +#define SLIC_RCVWCS_FINISH 0x80000000 +#define SLIC_PM_MAXPATTERNS 6 +#define SLIC_PM_PATTERNSIZE 128 +#define SLIC_PMCAPS_WAKEONLAN 0x00000001 +#define MIICR_REG_PCR 0x00000000 +#define MIICR_REG_4 0x00040000 +#define MIICR_REG_9 0x00090000 +#define MIICR_REG_16 0x00100000 +#define PCR_RESET 0x8000 +#define PCR_POWERDOWN 0x0800 +#define PCR_SPEED_100 0x2000 +#define PCR_SPEED_1000 0x0040 +#define PCR_AUTONEG 0x1000 +#define PCR_AUTONEG_RST 0x0200 +#define PCR_DUPLEX_FULL 0x0100 +#define PSR_LINKUP 0x0004 + +#define PAR_ADV100FD 0x0100 +#define PAR_ADV100HD 0x0080 +#define PAR_ADV10FD 0x0040 +#define PAR_ADV10HD 0x0020 +#define PAR_ASYMPAUSE 0x0C00 +#define PAR_802_3 0x0001 + +#define PAR_ADV1000XFD 0x0020 +#define PAR_ADV1000XHD 0x0040 +#define PAR_ASYMPAUSE_FIBER 0x0180 + +#define PGC_ADV1000FD 0x0200 +#define PGC_ADV1000HD 0x0100 +#define SEEQ_LINKFAIL 0x4000 +#define SEEQ_SPEED 0x0080 +#define SEEQ_DUPLEX 0x0040 +#define TDK_DUPLEX 0x0800 +#define TDK_SPEED 0x0400 +#define MRV_REG16_XOVERON 0x0068 +#define MRV_REG16_XOVEROFF 0x0008 +#define MRV_SPEED_1000 0x8000 +#define MRV_SPEED_100 0x4000 +#define MRV_SPEED_10 0x0000 +#define MRV_FULLDUPLEX 0x2000 +#define MRV_LINKUP 0x0400 + +#define GIG_LINKUP 0x0001 +#define GIG_FULLDUPLEX 0x0002 +#define GIG_SPEED_MASK 0x000C +#define GIG_SPEED_1000 0x0008 +#define GIG_SPEED_100 0x0004 +#define GIG_SPEED_10 0x0000 + +#define MCR_RESET 0x80000000 +#define MCR_CRCEN 0x40000000 +#define MCR_FULLD 0x10000000 +#define MCR_PAD 0x02000000 +#define MCR_RETRYLATE 0x01000000 +#define MCR_BOL_SHIFT 21 +#define MCR_IPG1_SHIFT 14 +#define MCR_IPG2_SHIFT 7 +#define MCR_IPG3_SHIFT 0 +#define GMCR_RESET 0x80000000 +#define GMCR_GBIT 0x20000000 +#define GMCR_FULLD 0x10000000 +#define GMCR_GAPBB_SHIFT 14 +#define GMCR_GAPR1_SHIFT 7 +#define GMCR_GAPR2_SHIFT 0 +#define GMCR_GAPBB_1000 0x60 +#define GMCR_GAPR1_1000 0x2C +#define GMCR_GAPR2_1000 0x40 +#define GMCR_GAPBB_100 0x70 +#define GMCR_GAPR1_100 0x2C +#define GMCR_GAPR2_100 0x40 +#define XCR_RESET 0x80000000 +#define XCR_XMTEN 0x40000000 +#define XCR_PAUSEEN 0x20000000 +#define XCR_LOADRNG 0x10000000 +#define RCR_RESET 0x80000000 +#define RCR_RCVEN 0x40000000 +#define RCR_RCVALL 0x20000000 +#define RCR_RCVBAD 0x10000000 +#define RCR_CTLEN 0x08000000 +#define RCR_ADDRAEN 0x02000000 +#define GXCR_RESET 0x80000000 +#define GXCR_XMTEN 0x40000000 +#define GXCR_PAUSEEN 0x20000000 +#define GRCR_RESET 0x80000000 +#define GRCR_RCVEN 0x40000000 +#define GRCR_RCVALL 0x20000000 +#define GRCR_RCVBAD 0x10000000 +#define GRCR_CTLEN 0x08000000 +#define GRCR_ADDRAEN 0x02000000 +#define GRCR_HASHSIZE_SHIFT 17 +#define GRCR_HASHSIZE 14 + +#define SLIC_EEPROM_ID 0xA5A5 +#define SLIC_SRAM_SIZE2GB (64 * 1024) +#define SLIC_SRAM_SIZE1GB (32 * 1024) +#define SLIC_HOSTID_DEFAULT 0xFFFF /* uninitialized hostid */ +#define SLIC_NBR_MACS 4 + +#ifndef FALSE +#define FALSE 0 +#else +#undef FALSE +#define FALSE 0 +#endif + +#ifndef TRUE +#define TRUE 1 +#else +#undef TRUE +#define TRUE 1 +#endif + +typedef struct _slic_rcvbuf_t { + uchar pad1[6]; + ushort pad2; + ulong32 pad3; + ulong32 pad4; + ulong32 buffer; + ulong32 length; + ulong32 status; + ulong32 pad5; + ushort pad6; + uchar data[SLIC_RCVBUF_DATASIZE]; +} slic_rcvbuf_t, *p_slic_rcvbuf_t; + +typedef struct _slic_hddr_wds { + union { + struct { + ulong32 frame_status; + ulong32 frame_status_b; + ulong32 time_stamp; + ulong32 checksum; + } hdrs_14port; + struct { + ulong32 frame_status; + ushort ByteCnt; + ushort TpChksum; + ushort CtxHash; + ushort MacHash; + ulong32 BufLnk; + } hdrs_gbit; + } u0; +} slic_hddr_wds_t, *p_slic_hddr_wds; + +#define frame_status14 u0.hdrs_14port.frame_status +#define frame_status_b14 u0.hdrs_14port.frame_status_b +#define frame_statusGB u0.hdrs_gbit.frame_status + +typedef struct _slic_host64sg_t { + ulong32 paddrl; + ulong32 paddrh; + ulong32 length; +} slic_host64sg_t, *p_slic_host64sg_t; + +typedef struct _slic_host64_cmd_t { + ulong32 hosthandle; + ulong32 RSVD; + uchar command; + uchar flags; + union { + ushort rsv1; + ushort rsv2; + } u0; + union { + struct { + ulong32 totlen; + slic_host64sg_t bufs[SLIC_MAX64_BCNT]; + } slic_buffers; + } u; + +} slic_host64_cmd_t, *p_slic_host64_cmd_t; + +typedef struct _slic_rspbuf_t { + ulong32 hosthandle; + ulong32 pad0; + ulong32 pad1; + ulong32 status; + ulong32 pad2[4]; + +} slic_rspbuf_t, *p_slic_rspbuf_t; + +typedef ulong32 SLIC_REG; + + +typedef struct _slic_regs_t { + ULONG slic_reset; /* Reset Register */ + ULONG pad0; + + ULONG slic_icr; /* Interrupt Control Register */ + ULONG pad2; +#define SLIC_ICR 0x0008 + + ULONG slic_isp; /* Interrupt status pointer */ + ULONG pad1; +#define SLIC_ISP 0x0010 + + ULONG slic_isr; /* Interrupt status */ + ULONG pad3; +#define SLIC_ISR 0x0018 + + SLIC_REG slic_hbar; /* Header buffer address reg */ + ULONG pad4; + /* 31-8 - phy addr of set of contiguous hdr buffers + 7-0 - number of buffers passed + Buffers are 256 bytes long on 256-byte boundaries. */ +#define SLIC_HBAR 0x0020 +#define SLIC_HBAR_CNT_MSK 0x000000FF + + SLIC_REG slic_dbar; /* Data buffer handle & address reg */ + ULONG pad5; + + /* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. */ +#define SLIC_DBAR 0x0028 +#define SLIC_DBAR_SIZE 2048 + + SLIC_REG slic_cbar; /* Xmt Cmd buf addr regs.*/ + /* 1 per XMT interface + 31-5 - phy addr of host command buffer + 4-0 - length of cmd in multiples of 32 bytes + Buffers are 32 bytes up to 512 bytes long */ +#define SLIC_CBAR 0x0030 +#define SLIC_CBAR_LEN_MSK 0x0000001F +#define SLIC_CBAR_ALIGN 0x00000020 + + SLIC_REG slic_wcs; /* write control store*/ +#define SLIC_WCS 0x0034 +#define SLIC_WCS_START 0x80000000 /*Start the SLIC (Jump to WCS)*/ +#define SLIC_WCS_COMPARE 0x40000000 /* Compare with value in WCS*/ + + SLIC_REG slic_rbar; /* Response buffer address reg.*/ + ULONG pad7; + /*31-8 - phy addr of set of contiguous response buffers + 7-0 - number of buffers passed + Buffers are 32 bytes long on 32-byte boundaries.*/ +#define SLIC_RBAR 0x0038 +#define SLIC_RBAR_CNT_MSK 0x000000FF +#define SLIC_RBAR_SIZE 32 + + SLIC_REG slic_stats; /* read statistics (UPR) */ + ULONG pad8; +#define SLIC_RSTAT 0x0040 + + SLIC_REG slic_rlsr; /* read link status */ + ULONG pad9; +#define SLIC_LSTAT 0x0048 + + SLIC_REG slic_wmcfg; /* Write Mac Config */ + ULONG pad10; +#define SLIC_WMCFG 0x0050 + + SLIC_REG slic_wphy; /* Write phy register */ + ULONG pad11; +#define SLIC_WPHY 0x0058 + + SLIC_REG slic_rcbar; /*Rcv Cmd buf addr reg*/ + ULONG pad12; +#define SLIC_RCBAR 0x0060 + + SLIC_REG slic_rconfig; /* Read SLIC Config*/ + ULONG pad13; +#define SLIC_RCONFIG 0x0068 + + SLIC_REG slic_intagg; /* Interrupt aggregation time*/ + ULONG pad14; +#define SLIC_INTAGG 0x0070 + + SLIC_REG slic_wxcfg; /* Write XMIT config reg*/ + ULONG pad16; +#define SLIC_WXCFG 0x0078 + + SLIC_REG slic_wrcfg; /* Write RCV config reg*/ + ULONG pad17; +#define SLIC_WRCFG 0x0080 + + SLIC_REG slic_wraddral; /* Write rcv addr a low*/ + ULONG pad18; +#define SLIC_WRADDRAL 0x0088 + + SLIC_REG slic_wraddrah; /* Write rcv addr a high*/ + ULONG pad19; +#define SLIC_WRADDRAH 0x0090 + + SLIC_REG slic_wraddrbl; /* Write rcv addr b low*/ + ULONG pad20; +#define SLIC_WRADDRBL 0x0098 + + SLIC_REG slic_wraddrbh; /* Write rcv addr b high*/ + ULONG pad21; +#define SLIC_WRADDRBH 0x00a0 + + SLIC_REG slic_mcastlow; /* Low bits of mcast mask*/ + ULONG pad22; +#define SLIC_MCASTLOW 0x00a8 + + SLIC_REG slic_mcasthigh; /* High bits of mcast mask*/ + ULONG pad23; +#define SLIC_MCASTHIGH 0x00b0 + + SLIC_REG slic_ping; /* Ping the card*/ + ULONG pad24; +#define SLIC_PING 0x00b8 + + SLIC_REG slic_dump_cmd; /* Dump command */ + ULONG pad25; +#define SLIC_DUMP_CMD 0x00c0 + + SLIC_REG slic_dump_data; /* Dump data pointer */ + ULONG pad26; +#define SLIC_DUMP_DATA 0x00c8 + + SLIC_REG slic_pcistatus; /* Read card's pci_status register */ + ULONG pad27; +#define SLIC_PCISTATUS 0x00d0 + + SLIC_REG slic_wrhostid; /* Write hostid field */ + ULONG pad28; +#define SLIC_WRHOSTID 0x00d8 +#define SLIC_RDHOSTID_1GB 0x1554 +#define SLIC_RDHOSTID_2GB 0x1554 + + SLIC_REG slic_low_power; /* Put card in a low power state */ + ULONG pad29; +#define SLIC_LOW_POWER 0x00e0 + + SLIC_REG slic_quiesce; /* force slic into quiescent state + before soft reset */ + ULONG pad30; +#define SLIC_QUIESCE 0x00e8 + + SLIC_REG slic_reset_iface; /* reset interface queues */ + ULONG pad31; +#define SLIC_RESET_IFACE 0x00f0 + + SLIC_REG slic_addr_upper; /* Bits 63-32 for host i/f addrs */ + ULONG pad32; +#define SLIC_ADDR_UPPER 0x00f8 /*Register is only written when it has changed*/ + + SLIC_REG slic_hbar64; /* 64 bit Header buffer address reg */ + ULONG pad33; +#define SLIC_HBAR64 0x0100 + + SLIC_REG slic_dbar64; /* 64 bit Data buffer handle & address reg */ + ULONG pad34; +#define SLIC_DBAR64 0x0108 + + SLIC_REG slic_cbar64; /* 64 bit Xmt Cmd buf addr regs. */ + ULONG pad35; +#define SLIC_CBAR64 0x0110 + + SLIC_REG slic_rbar64; /* 64 bit Response buffer address reg.*/ + ULONG pad36; +#define SLIC_RBAR64 0x0118 + + SLIC_REG slic_rcbar64; /* 64 bit Rcv Cmd buf addr reg*/ + ULONG pad37; +#define SLIC_RCBAR64 0x0120 + + SLIC_REG slic_stats64; /*read statistics (64 bit UPR)*/ + ULONG pad38; +#define SLIC_RSTAT64 0x0128 + + SLIC_REG slic_rcv_wcs; /*Download Gigabit RCV sequencer ucode*/ + ULONG pad39; +#define SLIC_RCV_WCS 0x0130 +#define SLIC_RCVWCS_BEGIN 0x40000000 +#define SLIC_RCVWCS_FINISH 0x80000000 + + SLIC_REG slic_wrvlanid; /* Write VlanId field */ + ULONG pad40; +#define SLIC_WRVLANID 0x0138 + + SLIC_REG slic_read_xf_info; /* Read Transformer info */ + ULONG pad41; +#define SLIC_READ_XF_INFO 0x0140 + + SLIC_REG slic_write_xf_info; /* Write Transformer info */ + ULONG pad42; +#define SLIC_WRITE_XF_INFO 0x0148 + + SLIC_REG RSVD1; /* TOE Only */ + ULONG pad43; + + SLIC_REG RSVD2; /* TOE Only */ + ULONG pad44; + + SLIC_REG RSVD3; /* TOE Only */ + ULONG pad45; + + SLIC_REG RSVD4; /* TOE Only */ + ULONG pad46; + + SLIC_REG slic_ticks_per_sec; /* Write card ticks per second */ + ULONG pad47; +#define SLIC_TICKS_PER_SEC 0x0170 + +} __iomem slic_regs_t, *p_slic_regs_t, SLIC_REGS, *PSLIC_REGS; + +typedef enum _UPR_REQUEST { + SLIC_UPR_STATS, + SLIC_UPR_RLSR, + SLIC_UPR_WCFG, + SLIC_UPR_RCONFIG, + SLIC_UPR_RPHY, + SLIC_UPR_ENLB, + SLIC_UPR_ENCT, + SLIC_UPR_PDWN, + SLIC_UPR_PING, + SLIC_UPR_DUMP, +} UPR_REQUEST; + +typedef struct _inicpm_wakepattern { + ulong32 patternlength; + uchar pattern[SLIC_PM_PATTERNSIZE]; + uchar mask[SLIC_PM_PATTERNSIZE]; +} inicpm_wakepattern_t, *p_inicpm_wakepattern_t; + +typedef struct _inicpm_state { + ulong32 powercaps; + ulong32 powerstate; + ulong32 wake_linkstatus; + ulong32 wake_magicpacket; + ulong32 wake_framepattern; + inicpm_wakepattern_t wakepattern[SLIC_PM_MAXPATTERNS]; +} inicpm_state_t, *p_inicpm_state_t; + +typedef struct _slicpm_packet_pattern { + ulong32 priority; + ulong32 reserved; + ulong32 masksize; + ulong32 patternoffset; + ulong32 patternsize; + ulong32 patternflags; +} slicpm_packet_pattern_t, *p_slicpm_packet_pattern_t; + +typedef enum _slicpm_power_state { + slicpm_state_unspecified = 0, + slicpm_state_d0, + slicpm_state_d1, + slicpm_state_d2, + slicpm_state_d3, + slicpm_state_maximum +} slicpm_state_t, *p_slicpm_state_t; + +typedef struct _slicpm_wakeup_capabilities { + slicpm_state_t min_magic_packet_wakeup; + slicpm_state_t min_pattern_wakeup; + slicpm_state_t min_link_change_wakeup; +} slicpm_wakeup_capabilities_t, *p_slicpm_wakeup_capabilities_t; + + +typedef struct _slic_pnp_capabilities { + ulong32 flags; + slicpm_wakeup_capabilities_t wakeup_capabilities; +} slic_pnp_capabilities_t, *p_slic_pnp_capabilities_t; + +typedef struct _xmt_stats_t { + ulong32 xmit_tcp_bytes; + ulong32 xmit_tcp_segs; + ulong32 xmit_bytes; + ulong32 xmit_collisions; + ulong32 xmit_unicasts; + ulong32 xmit_other_error; + ulong32 xmit_excess_collisions; +} xmt_stats100_t; + +typedef struct _rcv_stats_t { + ulong32 rcv_tcp_bytes; + ulong32 rcv_tcp_segs; + ulong32 rcv_bytes; + ulong32 rcv_unicasts; + ulong32 rcv_other_error; + ulong32 rcv_drops; +} rcv_stats100_t; + +typedef struct _xmt_statsgb_t { + ulong64 xmit_tcp_bytes; + ulong64 xmit_tcp_segs; + ulong64 xmit_bytes; + ulong64 xmit_collisions; + ulong64 xmit_unicasts; + ulong64 xmit_other_error; + ulong64 xmit_excess_collisions; +} xmt_statsGB_t; + +typedef struct _rcv_statsgb_t { + ulong64 rcv_tcp_bytes; + ulong64 rcv_tcp_segs; + ulong64 rcv_bytes; + ulong64 rcv_unicasts; + u64 rcv_other_error; + ulong64 rcv_drops; +} rcv_statsGB_t; + +typedef struct _slic_stats { + union { + struct { + xmt_stats100_t xmt100; + rcv_stats100_t rcv100; + } stats_100; + struct { + xmt_statsGB_t xmtGB; + rcv_statsGB_t rcvGB; + } stats_GB; + } u; +} slic_stats_t, *p_slic_stats_t; + +#define xmit_tcp_segs100 u.stats_100.xmt100.xmit_tcp_segs +#define xmit_tcp_bytes100 u.stats_100.xmt100.xmit_tcp_bytes +#define xmit_bytes100 u.stats_100.xmt100.xmit_bytes +#define xmit_collisions100 u.stats_100.xmt100.xmit_collisions +#define xmit_unicasts100 u.stats_100.xmt100.xmit_unicasts +#define xmit_other_error100 u.stats_100.xmt100.xmit_other_error +#define xmit_excess_collisions100 u.stats_100.xmt100.xmit_excess_collisions +#define rcv_tcp_segs100 u.stats_100.rcv100.rcv_tcp_segs +#define rcv_tcp_bytes100 u.stats_100.rcv100.rcv_tcp_bytes +#define rcv_bytes100 u.stats_100.rcv100.rcv_bytes +#define rcv_unicasts100 u.stats_100.rcv100.rcv_unicasts +#define rcv_other_error100 u.stats_100.rcv100.rcv_other_error +#define rcv_drops100 u.stats_100.rcv100.rcv_drops +#define xmit_tcp_segs_gb u.stats_GB.xmtGB.xmit_tcp_segs +#define xmit_tcp_bytes_gb u.stats_GB.xmtGB.xmit_tcp_bytes +#define xmit_bytes_gb u.stats_GB.xmtGB.xmit_bytes +#define xmit_collisions_gb u.stats_GB.xmtGB.xmit_collisions +#define xmit_unicasts_gb u.stats_GB.xmtGB.xmit_unicasts +#define xmit_other_error_gb u.stats_GB.xmtGB.xmit_other_error +#define xmit_excess_collisions_gb u.stats_GB.xmtGB.xmit_excess_collisions + +#define rcv_tcp_segs_gb u.stats_GB.rcvGB.rcv_tcp_segs +#define rcv_tcp_bytes_gb u.stats_GB.rcvGB.rcv_tcp_bytes +#define rcv_bytes_gb u.stats_GB.rcvGB.rcv_bytes +#define rcv_unicasts_gb u.stats_GB.rcvGB.rcv_unicasts +#define rcv_other_error_gb u.stats_GB.rcvGB.rcv_other_error +#define rcv_drops_gb u.stats_GB.rcvGB.rcv_drops + +typedef struct _slic_config_mac_t { + uchar macaddrA[6]; + +} slic_config_mac_t, *pslic_config_mac_t; + +#define ATK_FRU_FORMAT 0x00 +#define VENDOR1_FRU_FORMAT 0x01 +#define VENDOR2_FRU_FORMAT 0x02 +#define VENDOR3_FRU_FORMAT 0x03 +#define VENDOR4_FRU_FORMAT 0x04 +#define NO_FRU_FORMAT 0xFF + +typedef struct _atk_fru_t { + uchar assembly[6]; + uchar revision[2]; + uchar serial[14]; + uchar pad[3]; +} atk_fru_t, *patk_fru_t; + +typedef struct _vendor1_fru_t { + uchar commodity; + uchar assembly[4]; + uchar revision[2]; + uchar supplier[2]; + uchar date[2]; + uchar sequence[3]; + uchar pad[13]; +} vendor1_fru_t, *pvendor1_fru_t; + +typedef struct _vendor2_fru_t { + uchar part[8]; + uchar supplier[5]; + uchar date[3]; + uchar sequence[4]; + uchar pad[7]; +} vendor2_fru_t, *pvendor2_fru_t; + +typedef struct _vendor3_fru_t { + uchar assembly[6]; + uchar revision[2]; + uchar serial[14]; + uchar pad[3]; +} vendor3_fru_t, *pvendor3_fru_t; + +typedef struct _vendor4_fru_t { + uchar number[8]; + uchar part[8]; + uchar version[8]; + uchar pad[3]; +} vendor4_fru_t, *pvendor4_fru_t; + +typedef union _oemfru_t { + vendor1_fru_t vendor1_fru; + vendor2_fru_t vendor2_fru; + vendor3_fru_t vendor3_fru; + vendor4_fru_t vendor4_fru; +} oemfru_t, *poemfru_t; + +/* + SLIC EEPROM structure for Mojave +*/ +typedef struct _slic_eeprom { + ushort Id; /* 00 EEPROM/FLASH Magic code 'A5A5'*/ + ushort EecodeSize; /* 01 Size of EEPROM Codes (bytes * 4)*/ + ushort FlashSize; /* 02 Flash size */ + ushort EepromSize; /* 03 EEPROM Size */ + ushort VendorId; /* 04 Vendor ID */ + ushort DeviceId; /* 05 Device ID */ + uchar RevisionId; /* 06 Revision ID */ + uchar ClassCode[3]; /* 07 Class Code */ + uchar DbgIntPin; /* 08 Debug Interrupt pin */ + uchar NetIntPin0; /* Network Interrupt Pin */ + uchar MinGrant; /* 09 Minimum grant */ + uchar MaxLat; /* Maximum Latency */ + ushort PciStatus; /* 10 PCI Status */ + ushort SubSysVId; /* 11 Subsystem Vendor Id */ + ushort SubSysId; /* 12 Subsystem ID */ + ushort DbgDevId; /* 13 Debug Device Id */ + ushort DramRomFn; /* 14 Dram/Rom function */ + ushort DSize2Pci; /* 15 DRAM size to PCI (bytes * 64K) */ + ushort RSize2Pci; /* 16 ROM extension size to PCI (bytes * 4k) */ + uchar NetIntPin1; /* 17 Network Interface Pin 1 (simba/leone only) */ + uchar NetIntPin2; /* Network Interface Pin 2 (simba/leone only) */ + union { + uchar NetIntPin3;/* 18 Network Interface Pin 3 (simba only) */ + uchar FreeTime;/* FreeTime setting (leone/mojave only) */ + } u1; + uchar TBIctl; /* 10-bit interface control (Mojave only) */ + ushort DramSize; /* 19 DRAM size (bytes * 64k) */ + union { + struct { + /* Mac Interface Specific portions */ + slic_config_mac_t MacInfo[SLIC_NBR_MACS]; + } mac; /* MAC access for all boards */ + struct { + /* use above struct for MAC access */ + slic_config_mac_t pad[SLIC_NBR_MACS - 1]; + ushort DeviceId2; /* Device ID for 2nd + PCI function */ + uchar IntPin2; /* Interrupt pin for + 2nd PCI function */ + uchar ClassCode2[3]; /* Class Code for 2nd + PCI function */ + } mojave; /* 2nd function access for gigabit board */ + } u2; + ushort CfgByte6; /* Config Byte 6 */ + ushort PMECapab; /* Power Mgment capabilities */ + ushort NwClkCtrls; /* NetworkClockControls */ + uchar FruFormat; /* Alacritech FRU format type */ + atk_fru_t AtkFru; /* Alacritech FRU information */ + uchar OemFruFormat; /* optional OEM FRU format type */ + oemfru_t OemFru; /* optional OEM FRU information */ + uchar Pad[4]; /* Pad to 128 bytes - includes 2 cksum bytes + *(if OEM FRU info exists) and two unusable + * bytes at the end */ +} slic_eeprom_t, *pslic_eeprom_t; + +/* SLIC EEPROM structure for Oasis */ +typedef struct _oslic_eeprom_t { + ushort Id; /* 00 EEPROM/FLASH Magic code 'A5A5' */ + ushort EecodeSize; /* 01 Size of EEPROM Codes (bytes * 4)*/ + ushort FlashConfig0; /* 02 Flash Config for SPI device 0 */ + ushort FlashConfig1; /* 03 Flash Config for SPI device 1 */ + ushort VendorId; /* 04 Vendor ID */ + ushort DeviceId; /* 05 Device ID (function 0) */ + uchar RevisionId; /* 06 Revision ID */ + uchar ClassCode[3]; /* 07 Class Code for PCI function 0 */ + uchar IntPin1; /* 08 Interrupt pin for PCI function 1*/ + uchar ClassCode2[3]; /* 09 Class Code for PCI function 1 */ + uchar IntPin2; /* 10 Interrupt pin for PCI function 2*/ + uchar IntPin0; /* Interrupt pin for PCI function 0*/ + uchar MinGrant; /* 11 Minimum grant */ + uchar MaxLat; /* Maximum Latency */ + ushort SubSysVId; /* 12 Subsystem Vendor Id */ + ushort SubSysId; /* 13 Subsystem ID */ + ushort FlashSize; /* 14 Flash size (bytes / 4K) */ + ushort DSize2Pci; /* 15 DRAM size to PCI (bytes / 64K) */ + ushort RSize2Pci; /* 16 Flash (ROM extension) size to + PCI (bytes / 4K) */ + ushort DeviceId1; /* 17 Device Id (function 1) */ + ushort DeviceId2; /* 18 Device Id (function 2) */ + ushort CfgByte6; /* 19 Device Status Config Bytes 6-7 */ + ushort PMECapab; /* 20 Power Mgment capabilities */ + uchar MSICapab; /* 21 MSI capabilities */ + uchar ClockDivider; /* Clock divider */ + ushort PciStatusLow; /* 22 PCI Status bits 15:0 */ + ushort PciStatusHigh; /* 23 PCI Status bits 31:16 */ + ushort DramConfigLow; /* 24 DRAM Configuration bits 15:0 */ + ushort DramConfigHigh; /* 25 DRAM Configuration bits 31:16 */ + ushort DramSize; /* 26 DRAM size (bytes / 64K) */ + ushort GpioTbiCtl;/* 27 GPIO/TBI controls for functions 1/0 */ + ushort EepromSize; /* 28 EEPROM Size */ + slic_config_mac_t MacInfo[2]; /* 29 MAC addresses (2 ports) */ + uchar FruFormat; /* 35 Alacritech FRU format type */ + atk_fru_t AtkFru; /* Alacritech FRU information */ + uchar OemFruFormat; /* optional OEM FRU format type */ + oemfru_t OemFru; /* optional OEM FRU information */ + uchar Pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes + * (if OEM FRU info exists) and two unusable + * bytes at the end + */ +} oslic_eeprom_t, *poslic_eeprom_t; + +#define MAX_EECODE_SIZE sizeof(slic_eeprom_t) +#define MIN_EECODE_SIZE 0x62 /* code size without optional OEM FRU stuff */ + +/* SLIC CONFIG structure + + This structure lives in the CARD structure and is valid for all + board types. It is filled in from the appropriate EEPROM structure + by SlicGetConfigData(). +*/ +typedef struct _slic_config_t { + boolean EepromValid; /* Valid EEPROM flag (checksum good?) */ + ushort DramSize; /* DRAM size (bytes / 64K) */ + slic_config_mac_t MacInfo[SLIC_NBR_MACS]; /* MAC addresses */ + uchar FruFormat; /* Alacritech FRU format type */ + atk_fru_t AtkFru; /* Alacritech FRU information */ + uchar OemFruFormat; /* optional OEM FRU format type */ + union { + vendor1_fru_t vendor1_fru; + vendor2_fru_t vendor2_fru; + vendor3_fru_t vendor3_fru; + vendor4_fru_t vendor4_fru; + } OemFru; +} slic_config_t, *pslic_config_t; + +#pragma pack() + +#endif diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h new file mode 100644 index 000000000000..9910306ac33b --- /dev/null +++ b/drivers/staging/slicoss/slicinc.h @@ -0,0 +1,221 @@ +/************************************************************************** + * + * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. + * + * $Id: slicinc.h,v 1.4 2006/07/14 16:42:56 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slicinc.h + * + * This file contains all other include files and prototype definitions + * for the SLICOSS driver. + */ +#ifndef _SLIC_INCLUDE_H_ +#define _SLIC_INCLUDE_H_ + +#include "slic_os.h" +#include "slicdbg.h" +#include "slichw.h" +#include "slic.h" + +int slic_entry_probe(struct pci_dev *pcidev, + const struct pci_device_id *ent); +int slic_init(struct pci_dev *pcidev, + const struct pci_device_id *pci_tbl_entry, + long memaddr, + int chip_idx, + int acpi_idle_state); +void slic_entry_remove(struct pci_dev *pcidev); + +void slic_init_driver(void); +int slic_entry_open(struct net_device *dev); +int slic_entry_halt(struct net_device *dev); +int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); +int slic_xmit_start(struct sk_buff *skb, struct net_device *dev); +void slic_xmit_fail(p_adapter_t adapter, + struct sk_buff *skb, + pvoid cmd, + ulong32 skbtype, + ulong32 status); +void slic_xmit_timeout(struct net_device *dev); +void slic_config_pci(struct pci_dev *pcidev); +struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter); + +inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush); +inline void slic_reg64_write(p_adapter_t adapter, void __iomem *reg, + ulong32 value, void __iomem *regh, ulong32 paddrh, uint flush); +inline ulong32 slic_reg32_read(pulong32 reg, uint flush); +inline ulong32 slic_reg16_read(pulong32 reg, uint flush); + +#if SLIC_GET_STATS_ENABLED +struct net_device_stats *slic_get_stats(struct net_device *dev); +#endif + +int slic_mac_set_address(struct net_device *dev, pvoid ptr); + +int slicproc_card_read(char *page, char **start, off_t off, int count, + int *eof, void *data); +int slicproc_card_write(struct file *file, const char __user *buffer, + ulong count, void *data); +void slicproc_card_create(p_sliccard_t card); +void slicproc_card_destroy(p_sliccard_t card); +int slicproc_adapter_read(char *page, char **start, off_t off, int count, + int *eof, void *data); +int slicproc_adapter_write(struct file *file, const char __user *buffer, + ulong count, void *data); +void slicproc_adapter_create(p_adapter_t adapter); +void slicproc_adapter_destroy(p_adapter_t adapter); +void slicproc_create(void); +void slicproc_destroy(void); + +void slic_interrupt_process(p_adapter_t adapter, ulong32 isr); +void slic_rcv_handler(p_adapter_t adapter); +void slic_upr_handler(p_adapter_t adapter); +void slic_link_event_handler(p_adapter_t adapter); +void slic_xmit_complete(p_adapter_t adapter); +void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr); +int slic_rspqueue_init(p_adapter_t adapter); +int slic_rspqueue_reset(p_adapter_t adapter); +void slic_rspqueue_free(p_adapter_t adapter); +p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter); +void slic_cmdqmem_init(p_adapter_t adapter); +void slic_cmdqmem_free(p_adapter_t adapter); +pulong32 slic_cmdqmem_addpage(p_adapter_t adapter); +int slic_cmdq_init(p_adapter_t adapter); +void slic_cmdq_free(p_adapter_t adapter); +void slic_cmdq_reset(p_adapter_t adapter); +void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page); +void slic_cmdq_getdone(p_adapter_t adapter); +void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd); +void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd); +p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter); +int slic_rcvqueue_init(p_adapter_t adapter); +int slic_rcvqueue_reset(p_adapter_t adapter); +int slic_rcvqueue_fill(p_adapter_t adapter); +ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb); +void slic_rcvqueue_free(p_adapter_t adapter); +void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf); +void slic_adapter_set_hwaddr(p_adapter_t adapter); +void slic_card_halt(p_sliccard_t card, p_adapter_t adapter); +int slic_card_init(p_sliccard_t card, p_adapter_t adapter); +void slic_intagg_set(p_adapter_t adapter, ulong32 value); +int slic_card_download(p_adapter_t adapter); +ulong32 slic_card_locate(p_adapter_t adapter); +int slic_card_removeadapter(p_adapter_t adapter); +void slic_card_remaster(p_adapter_t adapter); +void slic_card_softreset(p_adapter_t adapter); +void slic_card_up(p_adapter_t adapter); +void slic_card_down(p_adapter_t adapter); + +void slic_if_stop_queue(p_adapter_t adapter); +void slic_if_start_queue(p_adapter_t adapter); +int slic_if_init(p_adapter_t adapter); +void slic_adapter_close(p_adapter_t adapter); +int slic_adapter_allocresources(p_adapter_t adapter); +void slic_adapter_freeresources(p_adapter_t adapter); +void slic_link_config(p_adapter_t adapter, ulong32 linkspeed, + ulong32 linkduplex); +void slic_unmap_mmio_space(p_adapter_t adapter); +void slic_card_cleanup(p_sliccard_t card); +void slic_init_cleanup(p_adapter_t adapter); +void slic_card_reclaim_buffers(p_adapter_t adapter); +void slic_soft_reset(p_adapter_t adapter); +void slic_card_reset(p_adapter_t adapter); +boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame); +void slic_mac_address_config(p_adapter_t adapter); +void slic_mac_config(p_adapter_t adapter); +void slic_mcast_set_mask(p_adapter_t adapter); +void slic_mac_setmcastaddrs(p_adapter_t adapter); +int slic_mcast_add_list(p_adapter_t adapter, pchar address); +uchar slic_mcast_get_mac_hash(pchar macaddr); +void slic_mcast_set_bit(p_adapter_t adapter, pchar address); +void slic_config_set(p_adapter_t adapter, boolean linkchange); +void slic_config_clear(p_adapter_t adapter); +void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 configh); +void slic_timer_get_stats(ulong device); +void slic_timer_load_check(ulong context); +void slic_timer_ping(ulong dev); +void slic_stall_msec(int stall); +void slic_stall_usec(int stall); +void slic_assert_fail(void); +ushort slic_eeprom_cksum(pchar m, int len); +/* upr */ +void slic_upr_start(p_adapter_t adapter); +void slic_link_upr_complete(p_adapter_t adapter, ulong32 Isr); +int slic_upr_request(p_adapter_t adapter, + ulong32 upr_request, + ulong32 upr_data, + ulong32 upr_data_h, + ulong32 upr_buffer, + ulong32 upr_buffer_h); +int slic_upr_queue_request(p_adapter_t adapter, + ulong32 upr_request, + ulong32 upr_data, + ulong32 upr_data_h, + ulong32 upr_buffer, + ulong32 upr_buffer_h); +void slic_mcast_set_list(struct net_device *dev); +void slic_mcast_init_crc32(void); + +#if SLIC_DUMP_ENABLED +int slic_dump_thread(void *context); +uint slic_init_dump_thread(p_sliccard_t card); +uchar slic_get_dump_index(pchar path); +ulong32 slic_dump_card(p_sliccard_t card, boolean resume); +ulong32 slic_dump_halt(p_sliccard_t card, uchar proc); +ulong32 slic_dump_reg(p_sliccard_t card, uchar proc); +ulong32 slic_dump_data(p_sliccard_t card, ulong32 addr, + ushort count, uchar desc); +ulong32 slic_dump_queue(p_sliccard_t card, ulong32 buf_phys, + ulong32 buf_physh, ulong32 queue); +ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue); +ulong32 slic_dump_cam(p_sliccard_t card, ulong32 addr, + ulong32 count, uchar desc); + +ulong32 slic_dump_resume(p_sliccard_t card, uchar proc); +ulong32 slic_dump_send_cmd(p_sliccard_t card, ulong32 cmd_phys, + ulong32 cmd_physh, ulong32 buf_phys, + ulong32 buf_physh); + +#define create_file(x) STATUS_SUCCESS +#define write_file(w, x, y, z) STATUS_SUCCESS +#define close_file(x) STATUS_SUCCESS +#define read_file(w, x, y, z) STATUS_SUCCESS +#define open_file(x) STATUS_SUCCESS + +/* PAGE_SIZE * 16 */ +#define DUMP_PAGE_SIZE 0xFFFF +#define DUMP_PAGE_SIZE_HALF 0x7FFE +#endif + +#endif /* _SLIC_INCLUDE_H_ */ diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c new file mode 100644 index 000000000000..a8c264822deb --- /dev/null +++ b/drivers/staging/slicoss/slicoss.c @@ -0,0 +1,6074 @@ +/************************************************************************** + * + * Copyright 2000-2006 Alacritech, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: slicoss.c + * + * The SLICOSS driver for Alacritech's IS-NIC products. + * + * This driver is supposed to support: + * + * Mojave cards (single port PCI Gigabit) both copper and fiber + * Oasis cards (single and dual port PCI-x Gigabit) copper and fiber + * Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber + * + * The driver was acutally tested on Oasis and Kalahari cards. + * + * + * NOTE: This is the standard, non-accelerated version of Alacritech's + * IS-NIC driver. + */ + +#include + +#define SLIC_DUMP_ENABLED 0 +#define KLUDGE_FOR_4GB_BOUNDARY 1 +#define DEBUG_MICROCODE 1 +#define SLIC_PRODUCTION_BUILD 1 +#define SLIC_FAILURE_RESET 1 +#define DBG 1 +#define SLIC_ASSERT_ENABLED 1 +#define SLIC_GET_STATS_ENABLED 1 +#define SLIC_GET_STATS_TIMER_ENABLED 0 +#define SLIC_PING_TIMER_ENABLED 1 +#define SLIC_POWER_MANAGEMENT_ENABLED 0 +#define SLIC_INTERRUPT_PROCESS_LIMIT 1 +#define LINUX_FREES_ADAPTER_RESOURCES 1 +#define SLIC_OFFLOAD_IP_CHECKSUM 1 +#define STATS_TIMER_INTERVAL 2 +#define PING_TIMER_INTERVAL 1 + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#define SLIC_ETHTOOL_SUPPORT 1 + +#include +#include "slicinc.h" +#include "gbdownload.h" +#include "gbrcvucode.h" +#include "oasisrcvucode.h" + +#ifdef DEBUG_MICROCODE +#include "oasisdbgdownload.h" +#else +#include "oasisdownload.h" +#endif + +#if SLIC_DUMP_ENABLED +#include "slicdump.h" +#endif + +#define SLIC_POWER_MANAGEMENT 0 + +static uint slic_first_init = 1; +static char *slic_banner = "Alacritech SLIC Technology(tm) Server "\ + "and Storage Accelerator (Non-Accelerated)\n"; + +static char *slic_proc_version = "2.0.351 2006/07/14 12:26:00"; +static char *slic_product_name = "SLIC Technology(tm) Server "\ + "and Storage Accelerator (Non-Accelerated)"; +static char *slic_vendor = "Alacritech, Inc."; + +static int slic_debug = 1; +static int debug = -1; +static struct net_device *head_netdevice; + +base_driver_t slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; +static int intagg_delay = 100; +static u32 dynamic_intagg; +static int errormsg; +static int goodmsg; +static unsigned int rcv_count; +static struct dentry *slic_debugfs; + +#define DRV_NAME "slicoss" +#define DRV_VERSION "2.0.1" +#define DRV_AUTHOR "Alacritech, Inc. Engineering" +#define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) "\ + "Non-Accelerated Driver" +#define DRV_COPYRIGHT "Copyright 2000-2006 Alacritech, Inc. "\ + "All rights reserved." +#define PFX DRV_NAME " " + +MODULE_AUTHOR(DRV_AUTHOR); +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_LICENSE("Dual BSD/GPL"); + +module_param(dynamic_intagg, int, 0); +MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting"); +module_param(intagg_delay, int, 0); +MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay"); + +static struct pci_device_id slic_pci_tbl[] __devinitdata = { + {PCI_VENDOR_ID_ALACRITECH, + SLIC_1GB_DEVICE_ID, + PCI_ANY_ID, PCI_ANY_ID,}, + {PCI_VENDOR_ID_ALACRITECH, + SLIC_2GB_DEVICE_ID, + PCI_ANY_ID, PCI_ANY_ID,}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, slic_pci_tbl); + +#define SLIC_GET_SLIC_HANDLE(_adapter, _pslic_handle) \ +{ \ + SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock); \ + _pslic_handle = _adapter->pfree_slic_handles; \ + if (_pslic_handle) { \ + ASSERT(_pslic_handle->type == SLIC_HANDLE_FREE); \ + _adapter->pfree_slic_handles = _pslic_handle->next; \ + } \ + SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock); \ +} + +#define SLIC_FREE_SLIC_HANDLE(_adapter, _pslic_handle) \ +{ \ + _pslic_handle->type = SLIC_HANDLE_FREE; \ + SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock); \ + _pslic_handle->next = _adapter->pfree_slic_handles; \ + _adapter->pfree_slic_handles = _pslic_handle; \ + SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock); \ +} + +static void slic_debug_init(void); +static void slic_debug_cleanup(void); +static void slic_debug_adapter_create(p_adapter_t adapter); +static void slic_debug_adapter_destroy(p_adapter_t adapter); +static void slic_debug_card_create(p_sliccard_t card); +static void slic_debug_card_destroy(p_sliccard_t card); + +inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush) +{ + writel(value, reg); + if (flush) + mb(); +} + +inline void slic_reg64_write(p_adapter_t adapter, + void __iomem *reg, + ulong32 value, + void __iomem *regh, ulong32 paddrh, uint flush) +{ + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + if (paddrh != adapter->curaddrupper) { + adapter->curaddrupper = paddrh; + writel(paddrh, regh); + } + writel(value, reg); + if (flush) + mb(); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); +} + +inline ulong32 slic_reg32_read(u32 __iomem *reg, uint flush) +{ + return readl(reg); +} + +inline ulong32 slic_reg16_read(pulong32 reg, uint flush) +{ + return (ushort) readw(reg); +} + +void slic_init_driver(void) +{ + if (slic_first_init) { + DBG_MSG("slicoss: %s slic_first_init set jiffies[%lx]\n", + __func__, jiffies); + slic_first_init = 0; + SLIC_INIT_SPINLOCK(slic_global.driver_lock); + slic_debug_init(); + } +} + +static void slic_dbg_macaddrs(p_adapter_t adapter) +{ + DBG_MSG(" (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + DBG_MSG(" (%s) mac %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + adapter->netdev->name, adapter->macaddr[0], + adapter->macaddr[1], adapter->macaddr[2], + adapter->macaddr[3], adapter->macaddr[4], adapter->macaddr[5]); + return; +} + +#ifdef DEBUG_REGISTER_TRACE +static void slic_dbg_register_trace(p_adapter_t adapter, p_sliccard_t card) +{ + uint i; + + DBG_ERROR("Dump Register Write Trace: curr_ix == %d\n", card->debug_ix); + for (i = 0; i < 32; i++) { + DBG_ERROR("%2d %d %4x %x %x\n", + i, card->reg_type[i], card->reg_offset[i], + card->reg_value[i], card->reg_valueh[i]); + } +} +} +#endif + +static void slic_init_adapter(struct net_device *netdev, + struct pci_dev *pcidev, + const struct pci_device_id *pci_tbl_entry, + void __iomem *memaddr, int chip_idx) +{ + ushort index; + pslic_handle_t pslic_handle; + p_adapter_t adapter = (p_adapter_t) netdev_priv(netdev); + +/* + DBG_MSG("slicoss: %s (%s)\n netdev [%p]\n adapter[%p]\n " + "pcidev [%p]\n", __func__, netdev->name, netdev, adapter, pcidev);*/ +/* adapter->pcidev = pcidev;*/ + adapter->vendid = pci_tbl_entry->vendor; + adapter->devid = pci_tbl_entry->device; + adapter->subsysid = pci_tbl_entry->subdevice; + adapter->busnumber = pcidev->bus->number; + adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); + adapter->functionnumber = (pcidev->devfn & 0x7); + adapter->memorylength = pci_resource_len(pcidev, 0); + adapter->slic_regs = (p_slic_regs_t) memaddr; + adapter->irq = pcidev->irq; +/* adapter->netdev = netdev;*/ + adapter->next_netdevice = head_netdevice; + head_netdevice = netdev; + adapter->chipid = chip_idx; + adapter->port = 0; /*adapter->functionnumber;*/ + adapter->cardindex = adapter->port; + adapter->memorybase = memaddr; + SLIC_INIT_SPINLOCK(adapter->upr_lock); + SLIC_INIT_SPINLOCK(adapter->bit64reglock); + SLIC_INIT_SPINLOCK(adapter->adapter_lock); + SLIC_INIT_SPINLOCK(adapter->reset_lock); + SLIC_INIT_SPINLOCK(adapter->handle_lock); + + adapter->card_size = 1; + /* + Initialize slic_handle array + */ + ASSERT(SLIC_CMDQ_MAXCMDS <= 0xFFFF); + /* + Start with 1. 0 is an invalid host handle. + */ + for (index = 1, pslic_handle = &adapter->slic_handles[1]; + index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) { + + pslic_handle->token.handle_index = index; + pslic_handle->type = SLIC_HANDLE_FREE; + pslic_handle->next = adapter->pfree_slic_handles; + adapter->pfree_slic_handles = pslic_handle; + } +/* + DBG_MSG(".........\nix[%d] phandle[%p] pfree[%p] next[%p]\n", + index, pslic_handle, adapter->pfree_slic_handles, pslic_handle->next);*/ + adapter->pshmem = (p_slic_shmem_t) pci_alloc_consistent(adapter->pcidev, + sizeof + (slic_shmem_t), + &adapter-> + phys_shmem); +/* + DBG_MSG("slicoss: %s (%s)\n pshmem [%p]\n phys_shmem[%p]\n"\ + "slic_regs [%p]\n", __func__, netdev->name, adapter->pshmem, + (pvoid)adapter->phys_shmem, adapter->slic_regs); +*/ + ASSERT(adapter->pshmem); + + SLIC_ZERO_MEMORY(adapter->pshmem, sizeof(slic_shmem_t)); + + return; +} + +int __devinit slic_entry_probe(struct pci_dev *pcidev, + const struct pci_device_id *pci_tbl_entry) +{ + static int cards_found; + static int did_version; + int err; + struct net_device *netdev; + p_adapter_t adapter; + void __iomem *memmapped_ioaddr = NULL; + ulong32 status = 0; + ulong mmio_start = 0; + ulong mmio_len = 0; + p_sliccard_t card = NULL; + + DBG_MSG("slicoss: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n", + __func__, jiffies, smp_processor_id()); + + slic_global.dynamic_intagg = dynamic_intagg; + + err = pci_enable_device(pcidev); + + DBG_MSG("Call pci_enable_device(%p) status[%x]\n", pcidev, err); + if (err) + return err; + + if (slic_debug > 0 && did_version++ == 0) { + printk(slic_banner); + printk(slic_proc_version); + } + + err = pci_set_dma_mask(pcidev, DMA_64BIT_MASK); + if (!err) { + DBG_MSG("pci_set_dma_mask(DMA_64BIT_MASK) successful\n"); + } else { + err = pci_set_dma_mask(pcidev, DMA_32BIT_MASK); + if (err) { + DBG_MSG + ("No usable DMA configuration, aborting err[%x]\n", + err); + return err; + } + DBG_MSG("pci_set_dma_mask(DMA_32BIT_MASK) successful\n"); + } + + DBG_MSG("Call pci_request_regions\n"); + + err = pci_request_regions(pcidev, DRV_NAME); + if (err) { + DBG_MSG("pci_request_regions FAILED err[%x]\n", err); + return err; + } + + DBG_MSG("call pci_set_master\n"); + pci_set_master(pcidev); + + DBG_MSG("call alloc_etherdev\n"); + netdev = alloc_etherdev(sizeof(adapter_t)); + if (!netdev) { + err = -ENOMEM; + goto err_out_exit_slic_probe; + } + DBG_MSG("alloc_etherdev for slic netdev[%p]\n", netdev); + + SET_NETDEV_DEV(netdev, &pcidev->dev); + + pci_set_drvdata(pcidev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pcidev = pcidev; + + mmio_start = pci_resource_start(pcidev, 0); + mmio_len = pci_resource_len(pcidev, 0); + + DBG_MSG("slicoss: call ioremap(mmio_start[%lx], mmio_len[%lx])\n", + mmio_start, mmio_len); + +/* memmapped_ioaddr = (ulong32)ioremap_nocache(mmio_start, mmio_len);*/ + memmapped_ioaddr = ioremap(mmio_start, mmio_len); + DBG_MSG("slicoss: %s MEMMAPPED_IOADDR [%p]\n", __func__, + memmapped_ioaddr); + if (!memmapped_ioaddr) { + DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n", + __func__, mmio_len, mmio_start); + goto err_out_free_mmio_region; + } + + DBG_MSG + ("slicoss: %s found Alacritech SLICOSS PCI, MMIO at %p, "\ + "start[%lx] len[%lx], IRQ %d.\n", + __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq); + + slic_config_pci(pcidev); + + slic_init_driver(); + + slic_init_adapter(netdev, + pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found); + + status = slic_card_locate(adapter); + if (status) { + DBG_ERROR("%s cannot locate card\n", __func__); + goto err_out_free_mmio_region; + } + + card = adapter->card; + + if (!adapter->allocated) { + card->adapters_allocated++; + adapter->allocated = 1; + } + + DBG_MSG("slicoss: %s card: %p\n", __func__, + adapter->card); + DBG_MSG("slicoss: %s card->adapter[%d] == [%p]\n", __func__, + (uint) adapter->port, adapter); + DBG_MSG("slicoss: %s card->adapters_allocated [%d]\n", __func__, + card->adapters_allocated); + DBG_MSG("slicoss: %s card->adapters_activated [%d]\n", __func__, + card->adapters_activated); + + status = slic_card_init(card, adapter); + + if (status != STATUS_SUCCESS) { + card->state = CARD_FAIL; + adapter->state = ADAPT_FAIL; + adapter->linkstate = LINK_DOWN; + DBG_ERROR("slic_card_init FAILED status[%x]\n", status); + } else { + slic_adapter_set_hwaddr(adapter); + } + + netdev->base_addr = (unsigned long)adapter->memorybase; + netdev->irq = adapter->irq; + netdev->open = slic_entry_open; + netdev->stop = slic_entry_halt; + netdev->hard_start_xmit = slic_xmit_start; + netdev->do_ioctl = slic_ioctl; + netdev->set_mac_address = slic_mac_set_address; +#if SLIC_GET_STATS_ENABLED + netdev->get_stats = slic_get_stats; +#endif + netdev->set_multicast_list = slic_mcast_set_list; + + slic_debug_adapter_create(adapter); + + strcpy(netdev->name, "eth%d"); + err = register_netdev(netdev); + if (err) { + DBG_ERROR("Cannot register net device, aborting.\n"); + goto err_out_unmap; + } + + DBG_MSG + ("slicoss: addr 0x%lx, irq %d, MAC addr "\ + "%02X:%02X:%02X:%02X:%02X:%02X\n", + mmio_start, /*pci_resource_start(pcidev, 0), */ pcidev->irq, + netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2], + netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]); + + cards_found++; + DBG_MSG("slicoss: %s EXIT status[%x] jiffies[%lx] cpu %d\n", + __func__, status, jiffies, smp_processor_id()); + + return status; + +err_out_unmap: + iounmap(memmapped_ioaddr); + +err_out_free_mmio_region: + release_mem_region(mmio_start, mmio_len); + +err_out_exit_slic_probe: + DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies, + smp_processor_id()); + + return -ENODEV; +} + +int slic_entry_open(struct net_device *dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + p_sliccard_t card = adapter->card; + ulong32 locked = 0; + int status; + + ASSERT(adapter); + ASSERT(card); + DBG_MSG + ("slicoss: %s adapter->activated[%d] card->adapters[%x] "\ + "allocd[%x]\n", __func__, adapter->activated, + card->adapters_activated, + card->adapters_allocated); + DBG_MSG + ("slicoss: %s (%s): [jiffies[%lx] cpu %d] dev[%p] adapt[%p] "\ + "port[%d] card[%p]\n", + __func__, adapter->netdev->name, jiffies, smp_processor_id(), + adapter->netdev, adapter, adapter->port, card); + + netif_stop_queue(adapter->netdev); + + SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + locked = 1; + if (!adapter->activated) { + card->adapters_activated++; + slic_global.num_slic_ports_active++; + adapter->activated = 1; + } + status = slic_if_init(adapter); + + if (status != STATUS_SUCCESS) { + if (adapter->activated) { + card->adapters_activated--; + slic_global.num_slic_ports_active--; + adapter->activated = 0; + } + if (locked) { + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + locked = 0; + } + return status; + } + DBG_MSG("slicoss: %s set card->master[%p] adapter[%p]\n", __func__, + card->master, adapter); + if (!card->master) + card->master = adapter; +#if SLIC_DUMP_ENABLED + if (!(card->dumpthread_running)) + init_waitqueue_head(&card->dump_wq); +#endif + + if (locked) { + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + locked = 0; + } +#if SLIC_DUMP_ENABLED + if (!(card->dumpthread_running)) { + DBG_MSG("attempt to initialize dump thread\n"); + status = slic_init_dump_thread(card); + /* + Even if the dump thread fails, we will continue at this point + */ + } +#endif + + return STATUS_SUCCESS; +} + +void __devexit slic_entry_remove(struct pci_dev *pcidev) +{ + struct net_device *dev = pci_get_drvdata(pcidev); + ulong32 mmio_start = 0; + uint mmio_len = 0; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + p_sliccard_t card; + + ASSERT(adapter); + DBG_MSG("slicoss: %s ENTER dev[%p] adapter[%p]\n", __func__, dev, + adapter); + slic_adapter_freeresources(adapter); + slic_unmap_mmio_space(adapter); + DBG_MSG("slicoss: %s unregister_netdev\n", __func__); + unregister_netdev(dev); + + mmio_start = pci_resource_start(pcidev, 0); + mmio_len = pci_resource_len(pcidev, 0); + + DBG_MSG("slicoss: %s rel_region(0) start[%x] len[%x]\n", __func__, + mmio_start, mmio_len); + release_mem_region(mmio_start, mmio_len); + + DBG_MSG("slicoss: %s iounmap dev->base_addr[%x]\n", __func__, + (uint) dev->base_addr); + iounmap((void __iomem *)dev->base_addr); + ASSERT(adapter->card); + card = adapter->card; + ASSERT(card->adapters_allocated); + card->adapters_allocated--; + adapter->allocated = 0; + DBG_MSG + ("slicoss: %s init[%x] alloc[%x] card[%p] adapter[%p]\n", + __func__, card->adapters_activated, card->adapters_allocated, + card, adapter); + if (!card->adapters_allocated) { + p_sliccard_t curr_card = slic_global.slic_card; + if (curr_card == card) { + slic_global.slic_card = card->next; + } else { + while (curr_card->next != card) + curr_card = curr_card->next; + ASSERT(curr_card); + curr_card->next = card->next; + } + ASSERT(slic_global.num_slic_cards); + slic_global.num_slic_cards--; + slic_card_cleanup(card); + } + DBG_MSG("slicoss: %s deallocate device\n", __func__); + SLIC_DEALLOCATE_MEM(dev); + DBG_MSG("slicoss: %s EXIT\n", __func__); +} + +int slic_entry_halt(struct net_device *dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + p_sliccard_t card = adapter->card; + p_slic_regs_t slic_regs = adapter->slic_regs; + + SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + ASSERT(card); + DBG_MSG("slicoss: %s (%s) ENTER\n", __func__, dev->name); + DBG_MSG("slicoss: %s (%s) actvtd[%d] alloc[%d] state[%x] adapt[%p]\n", + __func__, dev->name, card->adapters_activated, + card->adapters_allocated, card->state, adapter); + slic_if_stop_queue(adapter); + adapter->state = ADAPT_DOWN; + adapter->linkstate = LINK_DOWN; + adapter->upr_list = NULL; + adapter->upr_busy = 0; + adapter->devflags_prev = 0; + DBG_MSG("slicoss: %s (%s) set adapter[%p] state to ADAPT_DOWN(%d)\n", + __func__, dev->name, adapter, adapter->state); + ASSERT(card->adapter[adapter->cardindex] == adapter); + WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + adapter->all_reg_writes++; + adapter->icr_reg_writes++; + slic_config_clear(adapter); + DBG_MSG("slicoss: %s (%s) dev[%p] adapt[%p] card[%p]\n", + __func__, dev->name, dev, adapter, card); + if (adapter->activated) { + card->adapters_activated--; + slic_global.num_slic_ports_active--; + adapter->activated = 0; + } +#ifdef AUTOMATIC_RESET + WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH); +#endif + /* + * Reset the adapter's rsp, cmd, and rcv queues + */ + slic_cmdq_reset(adapter); + slic_rspqueue_reset(adapter); + slic_rcvqueue_reset(adapter); + +#ifdef AUTOMATIC_RESET + if (!card->adapters_activated) { + +#if SLIC_DUMP_ENABLED + if (card->dumpthread_running) { + uint status; + DBG_MSG("attempt to terminate dump thread pid[%x]\n", + card->dump_task_id); + status = kill_proc(card->dump_task_id->pid, SIGKILL, 1); + + if (!status) { + int count = 10 * 100; + while (card->dumpthread_running && --count) { + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(1); + } + + if (!count) { + DBG_MSG + ("slicmon thread cleanup FAILED \ + pid[%x]\n", + card->dump_task_id->pid); + } + } + } +#endif + DBG_MSG("slicoss: %s (%s) initiate CARD_HALT\n", __func__, + dev->name); + + slic_card_init(card, adapter); + } +#endif + + DBG_MSG("slicoss: %s (%s) EXIT\n", __func__, dev->name); + DBG_MSG("slicoss: %s EXIT\n", __func__); + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + return STATUS_SUCCESS; +} + +int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + ASSERT(rq); +/* + DBG_MSG("slicoss: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev); +*/ + switch (cmd) { + case SIOCSLICSETINTAGG: + { + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + ulong32 data[7]; + ulong32 intagg; + + if (copy_from_user(data, rq->ifr_data, 28)) { + DBG_ERROR + ("copy_from_user FAILED getting initial \ + params\n"); + return -EFAULT; + } + intagg = data[0]; + printk(KERN_EMERG + "%s: set interrupt aggregation to %d\n", + __func__, intagg); + slic_intagg_set(adapter, intagg); + return 0; + } +#ifdef SLIC_USER_REQUEST_DUMP_ENABLED + case SIOCSLICDUMPCARD: + { + p_adapter_t adapter = (p_adapter_t) dev->priv; + p_sliccard_t card; + + ASSERT(adapter); + ASSERT(adapter->card) + card = adapter->card; + + DBG_IOCTL("slic_ioctl SIOCSLIC_DUMP_CARD\n"); + + if (card->dump_requested == SLIC_DUMP_DONE) { + printk(SLICLEVEL + "SLIC Card dump to be overwritten\n"); + card->dump_requested = SLIC_DUMP_REQUESTED; + } else if ((card->dump_requested == SLIC_DUMP_REQUESTED) + || (card->dump_requested == + SLIC_DUMP_IN_PROGRESS)) { + printk(SLICLEVEL + "SLIC Card dump Requested but already \ + in progress... ignore\n"); + } else { + printk(SLICLEVEL + "SLIC Card #%d Dump Requested\n", + card->cardnum); + card->dump_requested = SLIC_DUMP_REQUESTED; + } + return 0; + } +#endif + +#ifdef SLIC_TRACE_DUMP_ENABLED + case SIOCSLICTRACEDUMP: + { + ulong data[7]; + ulong value; + + DBG_IOCTL("slic_ioctl SIOCSLIC_TRACE_DUMP\n"); + + if (copy_from_user(data, rq->ifr_data, 28)) { + PRINT_ERROR + ("slic: copy_from_user FAILED getting \ + initial simba param\n"); + return -EFAULT; + } + + value = data[0]; + if (tracemon_request == SLIC_DUMP_DONE) { + PRINT_ERROR + ("ATK Diagnostic Trace Dump Requested\n"); + tracemon_request = SLIC_DUMP_REQUESTED; + tracemon_request_type = value; + tracemon_timestamp = jiffies; + } else if ((tracemon_request == SLIC_DUMP_REQUESTED) || + (tracemon_request == + SLIC_DUMP_IN_PROGRESS)) { + PRINT_ERROR + ("ATK Diagnostic Trace Dump Requested but \ + already in progress... ignore\n"); + } else { + PRINT_ERROR + ("ATK Diagnostic Trace Dump Requested\n"); + tracemon_request = SLIC_DUMP_REQUESTED; + tracemon_request_type = value; + tracemon_timestamp = jiffies; + } + return 0; + } +#endif +#if SLIC_ETHTOOL_SUPPORT + case SIOCETHTOOL: + { + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct ethtool_cmd data; + struct ethtool_cmd ecmd; + + ASSERT(adapter); +/* DBG_MSG("slicoss: %s SIOCETHTOOL\n", __func__); */ + if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd))) + return -EFAULT; + + if (ecmd.cmd == ETHTOOL_GSET) { + data.supported = + (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | SUPPORTED_MII); + data.port = PORT_MII; + data.transceiver = XCVR_INTERNAL; + data.phy_address = 0; + if (adapter->linkspeed == LINK_100MB) + data.speed = SPEED_100; + else if (adapter->linkspeed == LINK_10MB) + data.speed = SPEED_10; + else + data.speed = 0; + + if (adapter->linkduplex == LINK_FULLD) + data.duplex = DUPLEX_FULL; + else + data.duplex = DUPLEX_HALF; + + data.autoneg = AUTONEG_ENABLE; + data.maxtxpkt = 1; + data.maxrxpkt = 1; + if (copy_to_user + (rq->ifr_data, &data, sizeof(data))) + return -EFAULT; + + } else if (ecmd.cmd == ETHTOOL_SSET) { + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + + if (adapter->linkspeed == LINK_100MB) + data.speed = SPEED_100; + else if (adapter->linkspeed == LINK_10MB) + data.speed = SPEED_10; + else + data.speed = 0; + + if (adapter->linkduplex == LINK_FULLD) + data.duplex = DUPLEX_FULL; + else + data.duplex = DUPLEX_HALF; + + data.autoneg = AUTONEG_ENABLE; + data.maxtxpkt = 1; + data.maxrxpkt = 1; + if ((ecmd.speed != data.speed) || + (ecmd.duplex != data.duplex)) { + ulong32 speed; + ulong32 duplex; + + if (ecmd.speed == SPEED_10) { + speed = 0; + SLIC_DISPLAY + ("%s: slic ETHTOOL set \ + link speed==10MB", + dev->name); + } else { + speed = PCR_SPEED_100; + SLIC_DISPLAY + ("%s: slic ETHTOOL set \ + link speed==100MB", + dev->name); + } + if (ecmd.duplex == DUPLEX_FULL) { + duplex = PCR_DUPLEX_FULL; + SLIC_DISPLAY + (": duplex==FULL\n"); + } else { + duplex = 0; + SLIC_DISPLAY + (": duplex==HALF\n"); + } + slic_link_config(adapter, + speed, duplex); + slic_link_event_handler(adapter); + } + } + return 0; + } +#endif + default: +/* DBG_MSG("slicoss: %s UNSUPPORTED[%x]\n", __func__, cmd); */ + return -EOPNOTSUPP; + } +} + +#define XMIT_FAIL_LINK_STATE 1 +#define XMIT_FAIL_ZERO_LENGTH 2 +#define XMIT_FAIL_HOSTCMD_FAIL 3 + +static void slic_xmit_build_request(p_adapter_t adapter, + p_slic_hostcmd_t hcmd, struct sk_buff *skb) +{ + p_slic_host64_cmd_t ihcmd; + ulong phys_addr; + + ihcmd = &hcmd->cmd64; + + ihcmd->flags = (adapter->port << IHFLG_IFSHFT); + ihcmd->command = IHCMD_XMT_REQ; + ihcmd->u.slic_buffers.totlen = skb->len; + phys_addr = SLIC_GET_DMA_ADDRESS_WRITE(adapter, skb->data, skb->len); + ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr); + ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr); + ihcmd->u.slic_buffers.bufs[0].length = skb->len; +#if defined(CONFIG_X86_64) + hcmd->cmdsize = (ulong32) ((((ulong64)&ihcmd->u.slic_buffers.bufs[1] - + (ulong64) hcmd) + 31) >> 5); +#elif defined(CONFIG_X86) + hcmd->cmdsize = ((((ulong32) &ihcmd->u.slic_buffers.bufs[1] - + (ulong32) hcmd) + 31) >> 5); +#else + Stop Compilation; +#endif +} + +#define NORMAL_ETHFRAME 0 + +int slic_xmit_start(struct sk_buff *skb, struct net_device *dev) +{ + p_sliccard_t card; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + p_slic_hostcmd_t hcmd = NULL; + ulong32 status = 0; + ulong32 skbtype = NORMAL_ETHFRAME; + pvoid offloadcmd = NULL; + + card = adapter->card; + ASSERT(card); +/* + DBG_ERROR("xmit_start (%s) ENTER skb[%p] len[%d] linkstate[%x] state[%x]\n", + adapter->netdev->name, skb, skb->len, adapter->linkstate, + adapter->state); +*/ + if ((adapter->linkstate != LINK_UP) || + (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) { + status = XMIT_FAIL_LINK_STATE; + goto xmit_fail; + + } else if (skb->len == 0) { + status = XMIT_FAIL_ZERO_LENGTH; + goto xmit_fail; + } + + if (skbtype == NORMAL_ETHFRAME) { + hcmd = slic_cmdq_getfree(adapter); + if (!hcmd) { + adapter->xmitq_full = 1; + status = XMIT_FAIL_HOSTCMD_FAIL; + goto xmit_fail; + } + ASSERT(hcmd->pslic_handle); + ASSERT(hcmd->cmd64.hosthandle == + hcmd->pslic_handle->token.handle_token); + hcmd->skb = skb; + hcmd->busy = 1; + hcmd->type = SLIC_CMD_DUMB; + if (skbtype == NORMAL_ETHFRAME) + slic_xmit_build_request(adapter, hcmd, skb); + } + adapter->stats.tx_packets++; + adapter->stats.tx_bytes += skb->len; + +#ifdef DEBUG_DUMP + if (adapter->kill_card) { + p_slic_host64_cmd_t ihcmd; + + ihcmd = &hcmd->cmd64; + + ihcmd->flags |= 0x40; + adapter->kill_card = 0; /* only do this once */ + } +#endif + if (hcmd->paddrh == 0) { + WRITE_REG(adapter->slic_regs->slic_cbar, + (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH); + } else { + WRITE_REG64(adapter, + adapter->slic_regs->slic_cbar64, + (hcmd->paddrl | hcmd->cmdsize), + adapter->slic_regs->slic_addr_upper, + hcmd->paddrh, DONT_FLUSH); + } +xmit_done: + return 0; +xmit_fail: + slic_xmit_fail(adapter, skb, offloadcmd, skbtype, status); + goto xmit_done; +} + +void slic_xmit_fail(p_adapter_t adapter, + struct sk_buff *skb, + pvoid cmd, ulong32 skbtype, ulong32 status) +{ + if (adapter->xmitq_full) + slic_if_stop_queue(adapter); + if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) { + switch (status) { + case XMIT_FAIL_LINK_STATE: + DBG_ERROR + ("(%s) reject xmit skb[%p: %x] linkstate[%s] \ + adapter[%s:%d] card[%s:%d]\n", + adapter->netdev->name, skb, skb->pkt_type, + SLIC_LINKSTATE(adapter->linkstate), + SLIC_ADAPTER_STATE(adapter->state), adapter->state, + SLIC_CARD_STATE(adapter->card->state), + adapter->card->state); + break; + case XMIT_FAIL_ZERO_LENGTH: + DBG_ERROR + ("xmit_start skb->len == 0 skb[%p] type[%x]!!!! \n", + skb, skb->pkt_type); + break; + case XMIT_FAIL_HOSTCMD_FAIL: + DBG_ERROR + ("xmit_start skb[%p] type[%x] No host commands \ + available !!!! \n", + skb, skb->pkt_type); + break; + default: + ASSERT(0); + } + } + dev_kfree_skb(skb); + adapter->stats.tx_dropped++; +} + +void slic_xmit_timeout(struct net_device *dev) +{ + p_sliccard_t card; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + ulong32 i; + + ASSERT(adapter); + card = adapter->card; + ASSERT(card); + for (i = 0; i < card->card_size; i++) { + if (card->adapter[i]) + slic_if_stop_queue(card->adapter[i]); + } + if (!card->reset_in_progress) { + DBG_ERROR + ("%s card[%p] state[%x] adapter[%p] port[%d] state[%x]\n", + __func__, card, card->state, adapter, adapter->port, + adapter->state); + slic_card_reset(adapter); + } +} + +void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) +{ + p_slic_hddr_wds hdr = (p_slic_hddr_wds) rcvbuf->data; + + if (adapter->devid != SLIC_1GB_DEVICE_ID) { + if (hdr->frame_status14 & VRHSTAT_802OE) + adapter->if_events.oflow802++; + if (hdr->frame_status14 & VRHSTAT_TPOFLO) + adapter->if_events.Tprtoflow++; + if (hdr->frame_status_b14 & VRHSTATB_802UE) + adapter->if_events.uflow802++; + if (hdr->frame_status_b14 & VRHSTATB_RCVE) { + adapter->if_events.rcvearly++; + adapter->stats.rx_fifo_errors++; + } + if (hdr->frame_status_b14 & VRHSTATB_BUFF) { + adapter->if_events.Bufov++; + adapter->stats.rx_over_errors++; + } + if (hdr->frame_status_b14 & VRHSTATB_CARRE) { + adapter->if_events.Carre++; + adapter->stats.tx_carrier_errors++; + } + if (hdr->frame_status_b14 & VRHSTATB_LONGE) + adapter->if_events.Longe++; + if (hdr->frame_status_b14 & VRHSTATB_PREA) + adapter->if_events.Invp++; + if (hdr->frame_status_b14 & VRHSTATB_CRC) { + adapter->if_events.Crc++; + adapter->stats.rx_crc_errors++; + } + if (hdr->frame_status_b14 & VRHSTATB_DRBL) + adapter->if_events.Drbl++; + if (hdr->frame_status_b14 & VRHSTATB_CODE) + adapter->if_events.Code++; + if (hdr->frame_status_b14 & VRHSTATB_TPCSUM) + adapter->if_events.TpCsum++; + if (hdr->frame_status_b14 & VRHSTATB_TPHLEN) + adapter->if_events.TpHlen++; + if (hdr->frame_status_b14 & VRHSTATB_IPCSUM) + adapter->if_events.IpCsum++; + if (hdr->frame_status_b14 & VRHSTATB_IPLERR) + adapter->if_events.IpLen++; + if (hdr->frame_status_b14 & VRHSTATB_IPHERR) + adapter->if_events.IpHlen++; + } else { + if (hdr->frame_statusGB & VGBSTAT_XPERR) { + ulong32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; + + if (xerr == VGBSTAT_XCSERR) + adapter->if_events.TpCsum++; + if (xerr == VGBSTAT_XUFLOW) + adapter->if_events.Tprtoflow++; + if (xerr == VGBSTAT_XHLEN) + adapter->if_events.TpHlen++; + } + if (hdr->frame_statusGB & VGBSTAT_NETERR) { + ulong32 nerr = + (hdr-> + frame_statusGB >> VGBSTAT_NERRSHFT) & + VGBSTAT_NERRMSK; + if (nerr == VGBSTAT_NCSERR) + adapter->if_events.IpCsum++; + if (nerr == VGBSTAT_NUFLOW) + adapter->if_events.IpLen++; + if (nerr == VGBSTAT_NHLEN) + adapter->if_events.IpHlen++; + } + if (hdr->frame_statusGB & VGBSTAT_LNKERR) { + ulong32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; + + if (lerr == VGBSTAT_LDEARLY) + adapter->if_events.rcvearly++; + if (lerr == VGBSTAT_LBOFLO) + adapter->if_events.Bufov++; + if (lerr == VGBSTAT_LCODERR) + adapter->if_events.Code++; + if (lerr == VGBSTAT_LDBLNBL) + adapter->if_events.Drbl++; + if (lerr == VGBSTAT_LCRCERR) + adapter->if_events.Crc++; + if (lerr == VGBSTAT_LOFLO) + adapter->if_events.oflow802++; + if (lerr == VGBSTAT_LUFLO) + adapter->if_events.uflow802++; + } + } + return; +} + +#define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000 +#define M_FAST_PATH 0x0040 + +void slic_rcv_handler(p_adapter_t adapter) +{ + struct sk_buff *skb; + p_slic_rcvbuf_t rcvbuf; + ulong32 frames = 0; + + while ((skb = slic_rcvqueue_getnext(adapter))) { + ulong32 rx_bytes; + + ASSERT(skb->head); + rcvbuf = (p_slic_rcvbuf_t) skb->head; + adapter->card->events++; + if (rcvbuf->status & IRHDDR_ERR) { + adapter->rx_errors++; + slic_rcv_handle_error(adapter, rcvbuf); + slic_rcvqueue_reinsert(adapter, skb); + continue; + } + + if (!slic_mac_filter(adapter, (p_ether_header) rcvbuf->data)) { +#if 0 + DBG_MSG + ("slicoss: %s (%s) drop frame due to mac filter\n", + __func__, adapter->netdev->name); +#endif + slic_rcvqueue_reinsert(adapter, skb); + continue; + } + skb_pull(skb, SLIC_RCVBUF_HEADSIZE); + rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK); + skb_put(skb, rx_bytes); + adapter->stats.rx_packets++; + adapter->stats.rx_bytes += rx_bytes; +#if SLIC_OFFLOAD_IP_CHECKSUM + skb->ip_summed = CHECKSUM_UNNECESSARY; +#endif + + skb->dev = adapter->netdev; + skb->protocol = eth_type_trans(skb, skb->dev); + netif_rx(skb); + + ++frames; +#if SLIC_INTERRUPT_PROCESS_LIMIT + if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) { + adapter->rcv_interrupt_yields++; + break; + } +#endif + } + adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames); +} + +void slic_xmit_complete(p_adapter_t adapter) +{ + p_slic_hostcmd_t hcmd; + p_slic_rspbuf_t rspbuf; + ulong32 frames = 0; + slic_handle_word_t slic_handle_word; + + do { + rspbuf = slic_rspqueue_getnext(adapter); + if (!rspbuf) + break; + adapter->xmit_completes++; + adapter->card->events++; + /* + Get the complete host command buffer + */ + slic_handle_word.handle_token = rspbuf->hosthandle; + ASSERT(slic_handle_word.handle_index); + ASSERT(slic_handle_word.handle_index <= SLIC_CMDQ_MAXCMDS); + hcmd = + (p_slic_hostcmd_t) adapter->slic_handles[slic_handle_word. + handle_index]. + address; +/* hcmd = (p_slic_hostcmd_t) rspbuf->hosthandle; */ + ASSERT(hcmd); + ASSERT(hcmd->pslic_handle == + &adapter->slic_handles[slic_handle_word.handle_index]); +/* + DBG_ERROR("xmit_complete (%s) hcmd[%p] hosthandle[%x]\n", + adapter->netdev->name, hcmd, hcmd->cmd64.hosthandle); + DBG_ERROR(" skb[%p] len %d hcmdtype[%x]\n", hcmd->skb, + hcmd->skb->len, hcmd->type); +*/ + if (hcmd->type == SLIC_CMD_DUMB) { + if (hcmd->skb) + dev_kfree_skb_irq(hcmd->skb); + slic_cmdq_putdone_irq(adapter, hcmd); + } + rspbuf->status = 0; + rspbuf->hosthandle = 0; + frames++; + } while (1); + adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames); +} + +static irqreturn_t slic_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = (struct net_device *) dev_id; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + ulong32 isr; + + if ((adapter->pshmem) && (adapter->pshmem->isr)) { + WRITE_REG(adapter->slic_regs->slic_icr, ICR_INT_MASK, FLUSH); + isr = adapter->isrcopy = adapter->pshmem->isr; + adapter->pshmem->isr = 0; + adapter->num_isrs++; + switch (adapter->card->state) { + case CARD_UP: + if (isr & ~ISR_IO) { + if (isr & ISR_ERR) { + adapter->error_interrupts++; + if (isr & ISR_RMISS) { + int count; + int pre_count; + int errors; + + p_slic_rcvqueue_t rcvq = + &adapter->rcvqueue; + + adapter-> + error_rmiss_interrupts++; + if (!rcvq->errors) + rcv_count = rcvq->count; + pre_count = rcvq->count; + errors = rcvq->errors; + + while (rcvq->count < + SLIC_RCVQ_FILLTHRESH) { + count = + slic_rcvqueue_fill + (adapter); + if (!count) + break; + } + DBG_MSG + ("(%s): [%x] ISR_RMISS \ + initial[%x] pre[%x] \ + errors[%x] \ + post_count[%x]\n", + adapter->netdev->name, + isr, rcv_count, pre_count, + errors, rcvq->count); + } else if (isr & ISR_XDROP) { + DBG_ERROR + ("isr & ISR_ERR [%x] \ + ISR_XDROP \n", + isr); + } else { + DBG_ERROR + ("isr & ISR_ERR [%x]\n", + isr); + } + } + + if (isr & ISR_LEVENT) { + /*DBG_MSG("%s (%s) ISR_LEVENT \n", + __func__, adapter->netdev->name);*/ + adapter->linkevent_interrupts++; + slic_link_event_handler(adapter); + } + + if ((isr & ISR_UPC) || + (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { + adapter->upr_interrupts++; + slic_upr_request_complete(adapter, isr); + } + } + + if (isr & ISR_RCV) { + adapter->rcv_interrupts++; + slic_rcv_handler(adapter); + } + + if (isr & ISR_CMD) { + adapter->xmit_interrupts++; + slic_xmit_complete(adapter); + } + break; + + case CARD_DOWN: + if ((isr & ISR_UPC) || + (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { + adapter->upr_interrupts++; + slic_upr_request_complete(adapter, isr); + } + break; + + default: + break; + } + + adapter->isrcopy = 0; + adapter->all_reg_writes += 2; + adapter->isr_reg_writes++; + WRITE_REG(adapter->slic_regs->slic_isr, 0, FLUSH); + } else { + adapter->false_interrupts++; + } + return IRQ_HANDLED; +} + +/* + * slic_link_event_handler - + * + * Initiate a link configuration sequence. The link configuration begins + * by issuing a READ_LINK_STATUS command to the Utility Processor on the + * SLIC. Since the command finishes asynchronously, the slic_upr_comlete + * routine will follow it up witha UP configuration write command, which + * will also complete asynchronously. + * + */ +void slic_link_event_handler(p_adapter_t adapter) +{ + int status; + p_slic_shmem_t pshmem; + + if (adapter->state != ADAPT_UP) { + /* Adapter is not operational. Ignore. */ + return; + } + + pshmem = (p_slic_shmem_t) adapter->phys_shmem; + +#if defined(CONFIG_X86_64) +/* + DBG_MSG("slic_event_handler pshmem->linkstatus[%x] pshmem[%p]\n \ + &linkstatus[%p] &isr[%p]\n", adapter->pshmem->linkstatus, pshmem, + &pshmem->linkstatus, &pshmem->isr); +*/ + status = slic_upr_request(adapter, + SLIC_UPR_RLSR, + SLIC_GET_ADDR_LOW(&pshmem->linkstatus), + SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), + 0, 0); +#elif defined(CONFIG_X86) + status = slic_upr_request(adapter, SLIC_UPR_RLSR, + (ulong32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */ + 0, 0, 0); +#else + Stop compilation; +#endif + ASSERT((status == STATUS_SUCCESS) || (status == STATUS_PENDING)); +} + +void slic_init_cleanup(p_adapter_t adapter) +{ + DBG_MSG("slicoss: %s ENTER adapter[%p] ", __func__, adapter); + if (adapter->intrregistered) { + DBG_MSG("FREE_IRQ "); + adapter->intrregistered = 0; + free_irq(adapter->netdev->irq, adapter->netdev); + + } + if (adapter->pshmem) { + DBG_MSG("FREE_SHMEM "); + DBG_MSG("adapter[%p] port %d pshmem[%p] FreeShmem ", + adapter, adapter->port, (pvoid) adapter->pshmem); + pci_free_consistent(adapter->pcidev, + sizeof(slic_shmem_t), + adapter->pshmem, adapter->phys_shmem); + adapter->pshmem = NULL; + adapter->phys_shmem = (dma_addr_t) NULL; + } +#if SLIC_GET_STATS_TIMER_ENABLED + if (adapter->statstimerset) { + DBG_MSG("statstimer "); + adapter->statstimerset = 0; + del_timer(&adapter->statstimer); + } +#endif +#if !SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED +/*#if SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED*/ + if (adapter->pingtimerset) { + DBG_MSG("pingtimer "); + adapter->pingtimerset = 0; + del_timer(&adapter->pingtimer); + } +#endif + slic_rspqueue_free(adapter); + slic_cmdq_free(adapter); + slic_rcvqueue_free(adapter); + + DBG_MSG("\n"); +} + +#if SLIC_GET_STATS_ENABLED +struct net_device_stats *slic_get_stats(struct net_device *dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct net_device_stats *stats; + + ASSERT(adapter); + stats = &adapter->stats; + stats->collisions = adapter->slic_stats.iface.xmit_collisions; + stats->rx_errors = adapter->slic_stats.iface.rcv_errors; + stats->tx_errors = adapter->slic_stats.iface.xmt_errors; + stats->rx_missed_errors = adapter->slic_stats.iface.rcv_discards; + stats->tx_heartbeat_errors = 0; + stats->tx_aborted_errors = 0; + stats->tx_window_errors = 0; + stats->tx_fifo_errors = 0; + stats->rx_frame_errors = 0; + stats->rx_length_errors = 0; + return &adapter->stats; +} +#endif + +/* + * Allocate a mcast_address structure to hold the multicast address. + * Link it in. + */ +int slic_mcast_add_list(p_adapter_t adapter, pchar address) +{ + p_mcast_address_t mcaddr, mlist; + boolean equaladdr; + + /* Check to see if it already exists */ + mlist = adapter->mcastaddrs; + while (mlist) { + ETHER_EQ_ADDR(mlist->address, address, equaladdr); + if (equaladdr) + return STATUS_SUCCESS; + mlist = mlist->next; + } + + /* Doesn't already exist. Allocate a structure to hold it */ + mcaddr = SLIC_ALLOCATE_MEM(sizeof(mcast_address_t), GFP_ATOMIC); + if (mcaddr == NULL) + return 1; + + memcpy(mcaddr->address, address, 6); + + mcaddr->next = adapter->mcastaddrs; + adapter->mcastaddrs = mcaddr; + + return STATUS_SUCCESS; +} + +/* + * Functions to obtain the CRC corresponding to the destination mac address. + * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using + * the polynomial: + * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + + * x^4 + x^2 + x^1. + * + * After the CRC for the 6 bytes is generated (but before the value is + * complemented), + * we must then transpose the value and return bits 30-23. + * + */ +static u32 slic_crc_table[256]; /* Table of CRCs for all possible byte values */ +static u32 slic_crc_init; /* Is table initialized */ + +/* + * Contruct the CRC32 table + */ +void slic_mcast_init_crc32(void) +{ + ulong32 c; /* CRC shit reg */ + ulong32 e = 0; /* Poly X-or pattern */ + int i; /* counter */ + int k; /* byte being shifted into crc */ + + static int p[] = { 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26 }; + + for (i = 0; i < sizeof(p) / sizeof(int); i++) + e |= 1L << (31 - p[i]); + + for (i = 1; i < 256; i++) { + c = i; + for (k = 8; k; k--) + c = c & 1 ? (c >> 1) ^ e : c >> 1; + slic_crc_table[i] = c; + } +} + +/* + * Return the MAC hast as described above. + */ +uchar slic_mcast_get_mac_hash(pchar macaddr) +{ + ulong32 crc; + pchar p; + int i; + uchar machash = 0; + + if (!slic_crc_init) { + slic_mcast_init_crc32(); + slic_crc_init = 1; + } + + crc = 0xFFFFFFFF; /* Preload shift register, per crc-32 spec */ + for (i = 0, p = macaddr; i < 6; ++p, ++i) + crc = (crc >> 8) ^ slic_crc_table[(crc ^ *p) & 0xFF]; + + /* Return bits 1-8, transposed */ + for (i = 1; i < 9; i++) + machash |= (((crc >> i) & 1) << (8 - i)); + + return machash; +} + +void slic_mcast_set_bit(p_adapter_t adapter, pchar address) +{ + uchar crcpoly; + + /* Get the CRC polynomial for the mac address */ + crcpoly = slic_mcast_get_mac_hash(address); + + /* We only have space on the SLIC for 64 entries. Lop + * off the top two bits. (2^6 = 64) + */ + crcpoly &= 0x3F; + + /* OR in the new bit into our 64 bit mask. */ + adapter->mcastmask |= (ulong64) 1 << crcpoly; +} + +void slic_mcast_set_list(struct net_device *dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + int status = STATUS_SUCCESS; + int i; + pchar addresses; + struct dev_mc_list *mc_list = dev->mc_list; + int mc_count = dev->mc_count; + + ASSERT(adapter); + + for (i = 1; i <= mc_count; i++) { + addresses = (pchar) &mc_list->dmi_addr; + if (mc_list->dmi_addrlen == 6) { + status = slic_mcast_add_list(adapter, addresses); + if (status != STATUS_SUCCESS) + break; + } else { + status = -EINVAL; + break; + } + slic_mcast_set_bit(adapter, addresses); + mc_list = mc_list->next; + } + + DBG_MSG("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n", + __func__, adapter->devflags_prev, dev->flags, status); + if (adapter->devflags_prev != dev->flags) { + adapter->macopts = MAC_DIRECTED; + if (dev->flags) { + if (dev->flags & IFF_BROADCAST) + adapter->macopts |= MAC_BCAST; + if (dev->flags & IFF_PROMISC) + adapter->macopts |= MAC_PROMISC; + if (dev->flags & IFF_ALLMULTI) + adapter->macopts |= MAC_ALLMCAST; + if (dev->flags & IFF_MULTICAST) + adapter->macopts |= MAC_MCAST; + } + adapter->devflags_prev = dev->flags; + DBG_MSG("%s call slic_config_set adapter->macopts[%x]\n", + __func__, adapter->macopts); + slic_config_set(adapter, TRUE); + } else { + if (status == STATUS_SUCCESS) + slic_mcast_set_mask(adapter); + } + return; +} + +void slic_mcast_set_mask(p_adapter_t adapter) +{ + p_slic_regs_t slic_regs = adapter->slic_regs; + + DBG_MSG("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__, + adapter->netdev->name, (uint) adapter->macopts, + adapter->mcastmask); + + if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) { + /* Turn on all multicast addresses. We have to do this for + * promiscuous mode as well as ALLMCAST mode. It saves the + * Microcode from having to keep state about the MAC + * configuration. + */ +/* DBG_MSG("slicoss: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n\ + SLUT MODE!!!\n",__func__); */ + WRITE_REG(slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH); + WRITE_REG(slic_regs->slic_mcasthigh, 0xFFFFFFFF, FLUSH); +/* DBG_MSG("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n", + _func__, adapter->netdev->name); */ + } else { + /* Commit our multicast mast to the SLIC by writing to the + * multicast address mask registers + */ + DBG_MSG("%s (%s) WRITE mcastlow[%x] mcasthigh[%x]\n", + __func__, adapter->netdev->name, + ((ulong) (adapter->mcastmask & 0xFFFFFFFF)), + ((ulong) ((adapter->mcastmask >> 32) & 0xFFFFFFFF))); + + WRITE_REG(slic_regs->slic_mcastlow, + (ulong32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH); + WRITE_REG(slic_regs->slic_mcasthigh, + (ulong32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF), + FLUSH); + } +} + +void slic_timer_ping(ulong dev) +{ + p_adapter_t adapter; + p_sliccard_t card; + + ASSERT(dev); + adapter = (p_adapter_t) ((struct net_device *) dev)->priv; + ASSERT(adapter); + card = adapter->card; + ASSERT(card); +#if !SLIC_DUMP_ENABLED +/*#if SLIC_DUMP_ENABLED*/ + if ((adapter->state == ADAPT_UP) && (card->state == CARD_UP)) { + int status; + + if (card->pingstatus != ISR_PINGMASK) { + if (errormsg++ < 5) { + DBG_MSG + ("%s (%s) CARD HAS CRASHED PING_status == \ + %x ERRORMSG# %d\n", + __func__, adapter->netdev->name, + card->pingstatus, errormsg); + } + /* ASSERT(card->pingstatus == ISR_PINGMASK); */ + } else { + if (goodmsg++ < 5) { + DBG_MSG + ("slicoss: %s (%s) PING_status == %x \ + GOOD!!!!!!!! msg# %d\n", + __func__, adapter->netdev->name, + card->pingstatus, errormsg); + } + } + card->pingstatus = 0; + status = slic_upr_request(adapter, SLIC_UPR_PING, 0, 0, 0, 0); + + ASSERT(status == 0); + } else { + DBG_MSG("slicoss %s (%s) adapter[%p] NOT UP!!!!\n", + __func__, adapter->netdev->name, adapter); + } +#endif + adapter->pingtimer.expires = + jiffies + SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL); + add_timer(&adapter->pingtimer); +} + +void slic_if_stop_queue(p_adapter_t adapter) +{ + netif_stop_queue(adapter->netdev); +} + +void slic_if_start_queue(p_adapter_t adapter) +{ + netif_start_queue(adapter->netdev); +} + +/* + * slic_if_init + * + * Perform initialization of our slic interface. + * + */ +int slic_if_init(p_adapter_t adapter) +{ + p_sliccard_t card = adapter->card; + struct net_device *dev = adapter->netdev; + p_slic_regs_t slic_regs = adapter->slic_regs; + p_slic_shmem_t pshmem; + int status = 0; + + ASSERT(card); + DBG_MSG("slicoss: %s (%s) ENTER states[%d:%d:%d:%d] flags[%x]\n", + __func__, adapter->netdev->name, + adapter->queues_initialized, adapter->state, adapter->linkstate, + card->state, dev->flags); + + /* adapter should be down at this point */ + if (adapter->state != ADAPT_DOWN) { + DBG_ERROR("slic_if_init adapter->state != ADAPT_DOWN\n"); + return -EIO; + } + ASSERT(adapter->linkstate == LINK_DOWN); + + adapter->devflags_prev = dev->flags; + adapter->macopts = MAC_DIRECTED; + if (dev->flags) { + DBG_MSG("slicoss: %s (%s) Set MAC options: ", __func__, + adapter->netdev->name); + if (dev->flags & IFF_BROADCAST) { + adapter->macopts |= MAC_BCAST; + DBG_MSG("BCAST "); + } + if (dev->flags & IFF_PROMISC) { + adapter->macopts |= MAC_PROMISC; + DBG_MSG("PROMISC "); + } + if (dev->flags & IFF_ALLMULTI) { + adapter->macopts |= MAC_ALLMCAST; + DBG_MSG("ALL_MCAST "); + } + if (dev->flags & IFF_MULTICAST) { + adapter->macopts |= MAC_MCAST; + DBG_MSG("MCAST "); + } + DBG_MSG("\n"); + } + status = slic_adapter_allocresources(adapter); + if (status != STATUS_SUCCESS) { + DBG_ERROR + ("slic_if_init: slic_adapter_allocresources FAILED %x\n", + status); + slic_adapter_freeresources(adapter); + return status; + } + + if (!adapter->queues_initialized) { + DBG_MSG("slicoss: %s call slic_rspqueue_init\n", __func__); + if (slic_rspqueue_init(adapter)) + return -ENOMEM; + DBG_MSG + ("slicoss: %s call slic_cmdq_init adapter[%p] port %d \n", + __func__, adapter, adapter->port); + if (slic_cmdq_init(adapter)) + return -ENOMEM; + DBG_MSG + ("slicoss: %s call slic_rcvqueue_init adapter[%p] \ + port %d \n", __func__, adapter, adapter->port); + if (slic_rcvqueue_init(adapter)) + return -ENOMEM; + adapter->queues_initialized = 1; + } + DBG_MSG("slicoss: %s disable interrupts(slic)\n", __func__); + + WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + slic_stall_msec(1); + + if (!adapter->isp_initialized) { + pshmem = (p_slic_shmem_t) adapter->phys_shmem; + + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + +#if defined(CONFIG_X86_64) + WRITE_REG(slic_regs->slic_addr_upper, + SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH); + WRITE_REG(slic_regs->slic_isp, + SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); +#elif defined(CONFIG_X86) + WRITE_REG(slic_regs->slic_addr_upper, (ulong32) 0, DONT_FLUSH); + WRITE_REG(slic_regs->slic_isp, (ulong32) &pshmem->isr, FLUSH); +#else + Stop Compilations +#endif + SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); + adapter->isp_initialized = 1; + } + + adapter->state = ADAPT_UP; + if (!card->loadtimerset) { + init_timer(&card->loadtimer); + card->loadtimer.expires = + jiffies + SLIC_SECS_TO_JIFFS(SLIC_LOADTIMER_PERIOD); + card->loadtimer.data = (ulong) card; + card->loadtimer.function = &slic_timer_load_check; + add_timer(&card->loadtimer); + + card->loadtimerset = 1; + } +#if SLIC_GET_STATS_TIMER_ENABLED + if (!adapter->statstimerset) { + DBG_MSG("slicoss: %s start getstats_timer(slic)\n", + __func__); + init_timer(&adapter->statstimer); + adapter->statstimer.expires = + jiffies + SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL); + adapter->statstimer.data = (ulong) adapter->netdev; + adapter->statstimer.function = &slic_timer_get_stats; + add_timer(&adapter->statstimer); + adapter->statstimerset = 1; + } +#endif +#if !SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED +/*#if SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED*/ + if (!adapter->pingtimerset) { + DBG_MSG("slicoss: %s start card_ping_timer(slic)\n", + __func__); + init_timer(&adapter->pingtimer); + adapter->pingtimer.expires = + jiffies + SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL); + adapter->pingtimer.data = (ulong) dev; + adapter->pingtimer.function = &slic_timer_ping; + add_timer(&adapter->pingtimer); + adapter->pingtimerset = 1; + adapter->card->pingstatus = ISR_PINGMASK; + } +#endif + + /* + * clear any pending events, then enable interrupts + */ + DBG_MSG("slicoss: %s ENABLE interrupts(slic)\n", __func__); + adapter->isrcopy = 0; + adapter->pshmem->isr = 0; + WRITE_REG(slic_regs->slic_isr, 0, FLUSH); + WRITE_REG(slic_regs->slic_icr, ICR_INT_ON, FLUSH); + + DBG_MSG("slicoss: %s call slic_link_config(slic)\n", __func__); + slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD); + slic_link_event_handler(adapter); + + DBG_MSG("slicoss: %s EXIT\n", __func__); + return STATUS_SUCCESS; +} + +void slic_unmap_mmio_space(p_adapter_t adapter) +{ +#if LINUX_FREES_ADAPTER_RESOURCES + if (adapter->slic_regs) + iounmap(adapter->slic_regs); + adapter->slic_regs = NULL; +#endif +} + +int slic_adapter_allocresources(p_adapter_t adapter) +{ + if (!adapter->intrregistered) { + int retval; + + DBG_MSG + ("slicoss: %s AllocAdaptRsrcs adapter[%p] shmem[%p] \ + phys_shmem[%p] dev->irq[%x] %x\n", + __func__, adapter, adapter->pshmem, + (void *)adapter->phys_shmem, adapter->netdev->irq, + NR_IRQS); + + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + + retval = request_irq(adapter->netdev->irq, + &slic_interrupt, + IRQF_SHARED, + adapter->netdev->name, adapter->netdev); + + SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + + if (retval) { + DBG_ERROR("slicoss: request_irq (%s) FAILED [%x]\n", + adapter->netdev->name, retval); + return retval; + } + adapter->intrregistered = 1; + DBG_MSG + ("slicoss: %s AllocAdaptRsrcs adapter[%p] shmem[%p] \ + pshmem[%p] dev->irq[%x]\n", + __func__, adapter, adapter->pshmem, + (void *)adapter->pshmem, adapter->netdev->irq); + } + return STATUS_SUCCESS; +} + +void slic_config_pci(struct pci_dev *pcidev) +{ + u16 pci_command; + u16 new_command; + + pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); + DBG_MSG("slicoss: %s PCI command[%4.4x]\n", __func__, pci_command); + + new_command = pci_command | PCI_COMMAND_MASTER + | PCI_COMMAND_MEMORY + | PCI_COMMAND_INVALIDATE + | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; + if (pci_command != new_command) { + DBG_MSG("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n", + __func__, pci_command, new_command); + pci_write_config_word(pcidev, PCI_COMMAND, new_command); + } +} + +void slic_adapter_freeresources(p_adapter_t adapter) +{ + DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); + slic_init_cleanup(adapter); + SLIC_ZERO_MEMORY(&adapter->stats, sizeof(struct net_device_stats)); + adapter->error_interrupts = 0; + adapter->rcv_interrupts = 0; + adapter->xmit_interrupts = 0; + adapter->linkevent_interrupts = 0; + adapter->upr_interrupts = 0; + adapter->num_isrs = 0; + adapter->xmit_completes = 0; + adapter->rcv_broadcasts = 0; + adapter->rcv_multicasts = 0; + adapter->rcv_unicasts = 0; + DBG_MSG("slicoss: %s EXIT\n", __func__); +} + +/* + * slic_link_config + * + * Write phy control to configure link duplex/speed + * + */ +void slic_link_config(p_adapter_t adapter, + ulong32 linkspeed, ulong32 linkduplex) +{ + ulong32 speed; + ulong32 duplex; + ulong32 phy_config; + ulong32 phy_advreg; + ulong32 phy_gctlreg; + + if (adapter->state != ADAPT_UP) { + DBG_MSG + ("%s (%s) ADAPT Not up yet, Return! speed[%x] duplex[%x]\n", + __func__, adapter->netdev->name, linkspeed, + linkduplex); + return; + } + DBG_MSG("slicoss: %s (%s) slic_link_config: speed[%x] duplex[%x]\n", + __func__, adapter->netdev->name, linkspeed, linkduplex); + + ASSERT((adapter->devid == SLIC_1GB_DEVICE_ID) + || (adapter->devid == SLIC_2GB_DEVICE_ID)); + + if (linkspeed > LINK_1000MB) + linkspeed = LINK_AUTOSPEED; + if (linkduplex > LINK_AUTOD) + linkduplex = LINK_AUTOD; + + if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) { + if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) { + /* We've got a fiber gigabit interface, and register + * 4 is different in fiber mode than in copper mode + */ + + /* advertise FD only @1000 Mb */ + phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD)); + /* enable PAUSE frames */ + phy_advreg |= PAR_ASYMPAUSE_FIBER; + WRITE_REG(adapter->slic_regs->slic_wphy, phy_advreg, + FLUSH); + + if (linkspeed == LINK_AUTOSPEED) { + /* reset phy, enable auto-neg */ + phy_config = + (MIICR_REG_PCR | + (PCR_RESET | PCR_AUTONEG | + PCR_AUTONEG_RST)); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + } else { /* forced 1000 Mb FD*/ + /* power down phy to break link + this may not work) */ + phy_config = (MIICR_REG_PCR | PCR_POWERDOWN); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + /* wait, Marvell says 1 sec, + try to get away with 10 ms */ + slic_stall_msec(10); + + /* disable auto-neg, set speed/duplex, + soft reset phy, powerup */ + phy_config = + (MIICR_REG_PCR | + (PCR_RESET | PCR_SPEED_1000 | + PCR_DUPLEX_FULL)); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + } + } else { /* copper gigabit */ + + /* Auto-Negotiate or 1000 Mb must be auto negotiated + * We've got a copper gigabit interface, and + * register 4 is different in copper mode than + * in fiber mode + */ + if (linkspeed == LINK_AUTOSPEED) { + /* advertise 10/100 Mb modes */ + phy_advreg = + (MIICR_REG_4 | + (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD + | PAR_ADV10HD)); + } else { + /* linkspeed == LINK_1000MB - + don't advertise 10/100 Mb modes */ + phy_advreg = MIICR_REG_4; + } + /* enable PAUSE frames */ + phy_advreg |= PAR_ASYMPAUSE; + /* required by the Cicada PHY */ + phy_advreg |= PAR_802_3; + WRITE_REG(adapter->slic_regs->slic_wphy, phy_advreg, + FLUSH); + /* advertise FD only @1000 Mb */ + phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD)); + WRITE_REG(adapter->slic_regs->slic_wphy, phy_gctlreg, + FLUSH); + + if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { + /* if a Marvell PHY + enable auto crossover */ + phy_config = + (MIICR_REG_16 | (MRV_REG16_XOVERON)); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + + /* reset phy, enable auto-neg */ + phy_config = + (MIICR_REG_PCR | + (PCR_RESET | PCR_AUTONEG | + PCR_AUTONEG_RST)); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + } else { /* it's a Cicada PHY */ + /* enable and restart auto-neg (don't reset) */ + phy_config = + (MIICR_REG_PCR | + (PCR_AUTONEG | PCR_AUTONEG_RST)); + WRITE_REG(adapter->slic_regs->slic_wphy, + phy_config, FLUSH); + } + } + } else { + /* Forced 10/100 */ + if (linkspeed == LINK_10MB) + speed = 0; + else + speed = PCR_SPEED_100; + if (linkduplex == LINK_HALFD) + duplex = 0; + else + duplex = PCR_DUPLEX_FULL; + + if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { + /* if a Marvell PHY + disable auto crossover */ + phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF)); + WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, + FLUSH); + } + + /* power down phy to break link (this may not work) */ + phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex)); + WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, FLUSH); + + /* wait, Marvell says 1 sec, try to get away with 10 ms */ + slic_stall_msec(10); + + if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { + /* if a Marvell PHY + disable auto-neg, set speed, + soft reset phy, powerup */ + phy_config = + (MIICR_REG_PCR | (PCR_RESET | speed | duplex)); + WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, + FLUSH); + } else { /* it's a Cicada PHY */ + /* disable auto-neg, set speed, powerup */ + phy_config = (MIICR_REG_PCR | (speed | duplex)); + WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, + FLUSH); + } + } + + DBG_MSG + ("slicoss: %s (%s) EXIT slic_link_config : state[%d] \ + phy_config[%x]\n", __func__, adapter->netdev->name, adapter->state, + phy_config); +} + +void slic_card_cleanup(p_sliccard_t card) +{ + DBG_MSG("slicoss: %s ENTER\n", __func__); + +#if SLIC_DUMP_ENABLED + if (card->dumpbuffer) { + SLIC_DEALLOCATE_MEM(card->dumpbuffer); + card->dumpbuffer = NULL; + card->dumpbuffer_phys = 0; + card->dumpbuffer_physl = 0; + card->dumpbuffer_physh = 0; + } + if (card->cmdbuffer) { + SLIC_DEALLOCATE_MEM(card->cmdbuffer); + card->cmdbuffer = NULL; + card->cmdbuffer_phys = 0; + card->cmdbuffer_physl = 0; + card->cmdbuffer_physh = 0; + } +#endif + + if (card->loadtimerset) { + card->loadtimerset = 0; + del_timer(&card->loadtimer); + } + + slic_debug_card_destroy(card); + + SLIC_DEALLOCATE_MEM(card); + DBG_MSG("slicoss: %s EXIT\n", __func__); +} + +static int slic_card_download_gbrcv(p_adapter_t adapter) +{ + p_slic_regs_t slic_regs = adapter->slic_regs; + ulong32 codeaddr; + puchar instruction = NULL; + ulong32 rcvucodelen = 0; + + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: + instruction = (puchar) &OasisRcvUCode[0]; + rcvucodelen = OasisRcvUCodeLen; + break; + case SLIC_1GB_DEVICE_ID: + instruction = (puchar) &GBRcvUCode[0]; + rcvucodelen = GBRcvUCodeLen; + break; + default: + ASSERT(0); + break; + } + + /* start download */ + WRITE_REG(slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH); + + /* download the rcv sequencer ucode */ + for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) { + /* write out instruction address */ + WRITE_REG(slic_regs->slic_rcv_wcs, codeaddr, FLUSH); + + /* write out the instruction data low addr */ + WRITE_REG(slic_regs->slic_rcv_wcs, + (ulong32) *(pulong32) instruction, FLUSH); + instruction += 4; + + /* write out the instruction data high addr */ + WRITE_REG(slic_regs->slic_rcv_wcs, (ulong32) *instruction, + FLUSH); + instruction += 1; + } + + /* download finished */ + WRITE_REG(slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH); + + return 0; +} + +int slic_card_download(p_adapter_t adapter) +{ + ulong32 section; + int thissectionsize; + int codeaddr; + p_slic_regs_t slic_regs = adapter->slic_regs; + ulong32 *instruction = NULL; + ulong32 *lastinstruct = NULL; + ulong32 *startinstruct = NULL; + puchar nextinstruct; + ulong32 baseaddress; + ulong32 failure; + ulong32 i; + ulong32 numsects = 0; + ulong32 sectsize[3]; + ulong32 sectstart[3]; + +/* DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x] \ + jiffies[%lx] cpu %d\n", __func__, adapter->netdev->name, adapter, + adapter->card, adapter->devid,jiffies, smp_processor_id()); */ + + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: +/* DBG_MSG ("slicoss: %s devid==SLIC_2GB_DEVICE_ID sections[%x]\n", + __func__, (uint) ONumSections); */ + numsects = ONumSections; + for (i = 0; i < numsects; i++) { + sectsize[i] = OSectionSize[i]; + sectstart[i] = OSectionStart[i]; + } + break; + case SLIC_1GB_DEVICE_ID: +/* DBG_MSG ("slicoss: %s devid==SLIC_1GB_DEVICE_ID sections[%x]\n", + __func__, (uint) MNumSections); */ + numsects = MNumSections; + for (i = 0; i < numsects; i++) { + sectsize[i] = MSectionSize[i]; + sectstart[i] = MSectionStart[i]; + } + break; + default: + ASSERT(0); + break; + } + + ASSERT(numsects <= 3); + + for (section = 0; section < numsects; section++) { + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: + instruction = (pulong32) &OasisUCode[section][0]; + baseaddress = sectstart[section]; + thissectionsize = sectsize[section] >> 3; + lastinstruct = + (pulong32) &OasisUCode[section][sectsize[section] - + 8]; + break; + case SLIC_1GB_DEVICE_ID: + instruction = (pulong32) &MojaveUCode[section][0]; + baseaddress = sectstart[section]; + thissectionsize = sectsize[section] >> 3; + lastinstruct = + (pulong32) &MojaveUCode[section][sectsize[section] + - 8]; + break; + default: + ASSERT(0); + break; + } + + baseaddress = sectstart[section]; + thissectionsize = sectsize[section] >> 3; + + for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { + startinstruct = instruction; + nextinstruct = ((puchar) instruction) + 8; + /* Write out instruction address */ + WRITE_REG(slic_regs->slic_wcs, baseaddress + codeaddr, + FLUSH); + /* Write out instruction to low addr */ + WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); +#ifdef CONFIG_X86_64 + instruction = (pulong32) ((puchar) instruction + 4); +#else + instruction++; +#endif + /* Write out instruction to high addr */ + WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); +#ifdef CONFIG_X86_64 + instruction = (pulong32) ((puchar) instruction + 4); +#else + instruction++; +#endif + } + } + + for (section = 0; section < numsects; section++) { + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: + instruction = (pulong32) &OasisUCode[section][0]; + break; + case SLIC_1GB_DEVICE_ID: + instruction = (pulong32) &MojaveUCode[section][0]; + break; + default: + ASSERT(0); + break; + } + + baseaddress = sectstart[section]; + if (baseaddress < 0x8000) + continue; + thissectionsize = sectsize[section] >> 3; + +/* DBG_MSG ("slicoss: COMPARE secton[%x] baseaddr[%x] sectnsize[%x]\n", + (uint)section,baseaddress,thissectionsize);*/ + + for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { + /* Write out instruction address */ + WRITE_REG(slic_regs->slic_wcs, + SLIC_WCS_COMPARE | (baseaddress + codeaddr), + FLUSH); + /* Write out instruction to low addr */ + WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); +#ifdef CONFIG_X86_64 + instruction = (pulong32) ((puchar) instruction + 4); +#else + instruction++; +#endif + /* Write out instruction to high addr */ + WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); +#ifdef CONFIG_X86_64 + instruction = (pulong32) ((puchar) instruction + 4); +#else + instruction++; +#endif + /* Check SRAM location zero. If it is non-zero. Abort.*/ + failure = READ_REG(slic_regs->slic_reset, 0); + if (failure) { + DBG_MSG + ("slicoss: %s FAILURE EXIT codeaddr[%x] \ + thissectionsize[%x] failure[%x]\n", + __func__, codeaddr, thissectionsize, + failure); + + return -EIO; + } + } + } +/* DBG_MSG ("slicoss: Compare done\n");*/ + + /* Everything OK, kick off the card */ + slic_stall_msec(10); + WRITE_REG(slic_regs->slic_wcs, SLIC_WCS_START, FLUSH); + + /* stall for 20 ms, long enough for ucode to init card + and reach mainloop */ + slic_stall_msec(20); + + DBG_MSG("slicoss: %s (%s) EXIT adapter[%p] card[%p]\n", + __func__, adapter->netdev->name, adapter, adapter->card); + + return STATUS_SUCCESS; +} + +void slic_adapter_set_hwaddr(p_adapter_t adapter) +{ + p_sliccard_t card = adapter->card; + +/* DBG_MSG ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", + __func__, card->config_set, adapter->port, adapter->physport, + adapter->functionnumber); + + slic_dbg_macaddrs(adapter); */ + + if ((adapter->card) && (card->config_set)) { + memcpy(adapter->macaddr, + card->config.MacInfo[adapter->functionnumber].macaddrA, + sizeof(slic_config_mac_t)); +/* DBG_MSG ("%s AFTER copying from config.macinfo into currmacaddr\n", + __func__); + slic_dbg_macaddrs(adapter);*/ + if (!(adapter->currmacaddr[0] || adapter->currmacaddr[1] || + adapter->currmacaddr[2] || adapter->currmacaddr[3] || + adapter->currmacaddr[4] || adapter->currmacaddr[5])) { + memcpy(adapter->currmacaddr, adapter->macaddr, 6); + } + if (adapter->netdev) { + memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, + 6); + } + } +/* DBG_MSG ("%s EXIT port %d\n", __func__, adapter->port); + slic_dbg_macaddrs(adapter); */ +} + +void slic_card_halt(p_sliccard_t card, p_adapter_t adapter) +{ + p_slic_regs_t slic_regs = adapter->slic_regs; + + DBG_MSG("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x]\n", + __func__, card, adapter, card->state); + WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + adapter->all_reg_writes++; + adapter->icr_reg_writes++; + slic_config_clear(adapter); + WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH); + slic_soft_reset(adapter); + DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n", + __func__, card, adapter, card->state); + return; + +} + +void slic_intagg_set(p_adapter_t adapter, ulong32 value) +{ + p_slic_regs_t slic_regs = adapter->slic_regs; + + WRITE_REG(slic_regs->slic_intagg, value, FLUSH); + adapter->card->loadlevel_current = value; +} + +int slic_card_init(p_sliccard_t card, p_adapter_t adapter) +{ + p_slic_regs_t slic_regs = adapter->slic_regs; + pslic_eeprom_t peeprom; + poslic_eeprom_t pOeeprom; + dma_addr_t phys_config; + ulong32 phys_configh; + ulong32 phys_configl; + ulong32 i = 0; + p_slic_shmem_t pshmem; + int status; + uint macaddrs = card->card_size; + ushort eecodesize; + ushort dramsize; + ushort ee_chksum; + ushort calc_chksum; + pslic_config_mac_t pmac; + uchar fruformat; + uchar oemfruformat; + patk_fru_t patkfru; + poemfru_t poemfru; + + DBG_MSG + ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \ + size[%d]\n", __func__, card, adapter, card->state, card->card_size); + + /* Reset everything except PCI configuration space */ + slic_soft_reset(adapter); + + /* Download the microcode */ + status = slic_card_download(adapter); + + if (status != STATUS_SUCCESS) { + DBG_ERROR("SLIC download failed bus %d slot %d\n", + (uint) adapter->busnumber, + (uint) adapter->slotnumber); + return status; + } + + if (!card->config_set) { + peeprom = pci_alloc_consistent(adapter->pcidev, + sizeof(slic_eeprom_t), + &phys_config); + + phys_configl = SLIC_GET_ADDR_LOW(phys_config); + phys_configh = SLIC_GET_ADDR_HIGH(phys_config); + + DBG_MSG("slicoss: %s Eeprom info adapter [%p]\n " + "size [%x]\n peeprom [%p]\n " + "phys_config [%p]\n phys_configl[%x]\n " + "phys_configh[%x]\n", + __func__, adapter, (ulong32) sizeof(slic_eeprom_t), + peeprom, (pvoid) phys_config, phys_configl, + phys_configh); + if (!peeprom) { + DBG_ERROR + ("SLIC eeprom read failed to get memory bus %d \ + slot %d\n", + (uint) adapter->busnumber, + (uint) adapter->slotnumber); + return -ENOMEM; + } else { + SLIC_ZERO_MEMORY(peeprom, sizeof(slic_eeprom_t)); + } + WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); + slic_stall_msec(1); + pshmem = (p_slic_shmem_t) adapter->phys_shmem; + + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + WRITE_REG(slic_regs->slic_addr_upper, 0, DONT_FLUSH); + WRITE_REG(slic_regs->slic_isp, + SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); + + slic_config_get(adapter, phys_configl, phys_configh); + + for (;;) { + if (adapter->pshmem->isr) { + DBG_MSG("%s shmem[%p] shmem->isr[%x]\n", + __func__, adapter->pshmem, + adapter->pshmem->isr); + + if (adapter->pshmem->isr & ISR_UPC) { + adapter->pshmem->isr = 0; + WRITE_REG64(adapter, + slic_regs->slic_isp, + 0, + slic_regs->slic_addr_upper, + 0, FLUSH); + WRITE_REG(slic_regs->slic_isr, 0, + FLUSH); + + slic_upr_request_complete(adapter, 0); + break; + } else { + adapter->pshmem->isr = 0; + WRITE_REG(slic_regs->slic_isr, 0, + FLUSH); + } + } else { + slic_stall_msec(1); + i++; + if (i > 5000) { + DBG_ERROR + ("SLIC: %d config data fetch timed\ + out!\n", adapter->port); + DBG_MSG("%s shmem[%p] shmem->isr[%x]\n", + __func__, adapter->pshmem, + adapter->pshmem->isr); + WRITE_REG64(adapter, + slic_regs->slic_isp, 0, + slic_regs->slic_addr_upper, + 0, FLUSH); + return -EINVAL; + } + } + } + + switch (adapter->devid) { + /* Oasis card */ + case SLIC_2GB_DEVICE_ID: + /* extract EEPROM data and pointers to EEPROM data */ + pOeeprom = (poslic_eeprom_t) peeprom; + eecodesize = pOeeprom->EecodeSize; + dramsize = pOeeprom->DramSize; + pmac = pOeeprom->MacInfo; + fruformat = pOeeprom->FruFormat; + patkfru = &pOeeprom->AtkFru; + oemfruformat = pOeeprom->OemFruFormat; + poemfru = &pOeeprom->OemFru; + macaddrs = 2; + /* Minor kludge for Oasis card + get 2 MAC addresses from the + EEPROM to ensure that function 1 + gets the Port 1 MAC address */ + break; + default: + /* extract EEPROM data and pointers to EEPROM data */ + eecodesize = peeprom->EecodeSize; + dramsize = peeprom->DramSize; + pmac = peeprom->u2.mac.MacInfo; + fruformat = peeprom->FruFormat; + patkfru = &peeprom->AtkFru; + oemfruformat = peeprom->OemFruFormat; + poemfru = &peeprom->OemFru; + break; + } + + card->config.EepromValid = FALSE; + + /* see if the EEPROM is valid by checking it's checksum */ + if ((eecodesize <= MAX_EECODE_SIZE) && + (eecodesize >= MIN_EECODE_SIZE)) { + + ee_chksum = + *(pushort) ((pchar) peeprom + (eecodesize - 2)); + /* + calculate the EEPROM checksum + */ + calc_chksum = + ~slic_eeprom_cksum((pchar) peeprom, + (eecodesize - 2)); + /* + if the ucdoe chksum flag bit worked, + we wouldn't need this shit + */ + if (ee_chksum == calc_chksum) + card->config.EepromValid = TRUE; + } + /* copy in the DRAM size */ + card->config.DramSize = dramsize; + + /* copy in the MAC address(es) */ + for (i = 0; i < macaddrs; i++) { + memcpy(&card->config.MacInfo[i], + &pmac[i], sizeof(slic_config_mac_t)); + } +/* DBG_MSG ("%s EEPROM Checksum Good? %d MacAddress\n",__func__, + card->config.EepromValid); */ + + /* copy the Alacritech FRU information */ + card->config.FruFormat = fruformat; + memcpy(&card->config.AtkFru, patkfru, sizeof(atk_fru_t)); + + pci_free_consistent(adapter->pcidev, + sizeof(slic_eeprom_t), + peeprom, phys_config); + DBG_MSG + ("slicoss: %s adapter%d [%p] size[%x] FREE peeprom[%p] \ + phys_config[%p]\n", + __func__, adapter->port, adapter, + (ulong32) sizeof(slic_eeprom_t), peeprom, + (pvoid) phys_config); + + if ((!card->config.EepromValid) && + (adapter->reg_params.fail_on_bad_eeprom)) { + WRITE_REG64(adapter, + slic_regs->slic_isp, + 0, slic_regs->slic_addr_upper, 0, FLUSH); + DBG_ERROR + ("unsupported CONFIGURATION EEPROM invalid\n"); + return -EINVAL; + } + + card->config_set = 1; + } + + if (slic_card_download_gbrcv(adapter)) { + DBG_ERROR("%s unable to download GB receive microcode\n", + __func__); + return -EINVAL; + } + + if (slic_global.dynamic_intagg) { + DBG_MSG + ("Dynamic Interrupt Aggregation[ENABLED]: slic%d \ + SET intagg to %d\n", + card->cardnum, 0); + slic_intagg_set(adapter, 0); + } else { + slic_intagg_set(adapter, intagg_delay); + DBG_MSG + ("Dynamic Interrupt Aggregation[DISABLED]: slic%d \ + SET intagg to %d\n", + card->cardnum, intagg_delay); + } + + /* + * Initialize ping status to "ok" + */ + card->pingstatus = ISR_PINGMASK; + +#if SLIC_DUMP_ENABLED + if (!card->dumpbuffer) { + card->dumpbuffer = + SLIC_ALLOCATE_MEM(DUMP_PAGE_SIZE, GFP_ATOMIC); + + ASSERT(card->dumpbuffer); + if (card->dumpbuffer == NULL) + return -ENOMEM; + } + /* + * Smear the shared memory structure and then obtain + * the PHYSICAL address of this structure + */ + SLIC_ZERO_MEMORY(card->dumpbuffer, DUMP_PAGE_SIZE); + card->dumpbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->dumpbuffer); + card->dumpbuffer_physh = SLIC_GET_ADDR_HIGH(card->dumpbuffer_phys); + card->dumpbuffer_physl = SLIC_GET_ADDR_LOW(card->dumpbuffer_phys); + + /* + * Allocate COMMAND BUFFER + */ + if (!card->cmdbuffer) { + card->cmdbuffer = + SLIC_ALLOCATE_MEM(sizeof(dump_cmd_t), GFP_ATOMIC); + + ASSERT(card->cmdbuffer); + if (card->cmdbuffer == NULL) + return -ENOMEM; + } + /* + * Smear the shared memory structure and then obtain + * the PHYSICAL address of this structure + */ + SLIC_ZERO_MEMORY(card->cmdbuffer, sizeof(dump_cmd_t)); + card->cmdbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->cmdbuffer); + card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys); + card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys); +#endif + + /* + * Lastly, mark our card state as up and return success + */ + card->state = CARD_UP; + card->reset_in_progress = 0; + DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n", + __func__, card, adapter, card->state); + + return STATUS_SUCCESS; +} + +ulong32 slic_card_locate(p_adapter_t adapter) +{ + p_sliccard_t card = slic_global.slic_card; + p_physcard_t physcard = slic_global.phys_card; + ushort card_hostid; + u16 __iomem *hostid_reg; + uint i; + uint rdhostid_offset = 0; + + DBG_MSG("slicoss: %s adapter[%p] slot[%x] bus[%x] port[%x]\n", + __func__, adapter, adapter->slotnumber, adapter->busnumber, + adapter->port); + + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: + rdhostid_offset = SLIC_RDHOSTID_2GB; + break; + case SLIC_1GB_DEVICE_ID: + rdhostid_offset = SLIC_RDHOSTID_1GB; + break; + default: + ASSERT(0); + break; + } + + hostid_reg = + (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) + + rdhostid_offset); + DBG_MSG("slicoss: %s *hostid_reg[%p] == ", __func__, hostid_reg); + + /* read the 16 bit hostid from SRAM */ +/* card_hostid = READ_REGP16(hostid_reg, 0);*/ + card_hostid = (ushort) readw(hostid_reg); + DBG_MSG(" card_hostid[%x]\n", card_hostid); + + /* Initialize a new card structure if need be */ + if (card_hostid == SLIC_HOSTID_DEFAULT) { + card = kzalloc(sizeof(sliccard_t), GFP_KERNEL); + if (card == NULL) + return -ENOMEM; + + card->next = slic_global.slic_card; + slic_global.slic_card = card; +#if DBG + if (adapter->devid == SLIC_2GB_DEVICE_ID) { + DBG_MSG + ("SLICOSS ==> Initialize 2 Port Gigabit Server \ + and Storage Accelerator\n"); + } else { + DBG_MSG + ("SLICOSS ==> Initialize 1 Port Gigabit Server \ + and Storage Accelerator\n"); + } +#endif + card->busnumber = adapter->busnumber; + card->slotnumber = adapter->slotnumber; + + /* Find an available cardnum */ + for (i = 0; i < SLIC_MAX_CARDS; i++) { + if (slic_global.cardnuminuse[i] == 0) { + slic_global.cardnuminuse[i] = 1; + card->cardnum = i; + break; + } + } + slic_global.num_slic_cards++; + DBG_MSG("\nCARDNUM == %d Total %d Card[%p]\n\n", + card->cardnum, slic_global.num_slic_cards, card); + + slic_debug_card_create(card); + } else { + DBG_MSG + ("slicoss: %s CARD already allocated, find the \ + correct card\n", __func__); + /* Card exists, find the card this adapter belongs to */ + while (card) { + DBG_MSG + ("slicoss: %s card[%p] slot[%x] bus[%x] \ + adaptport[%p] hostid[%x] cardnum[%x]\n", + __func__, card, card->slotnumber, + card->busnumber, card->adapter[adapter->port], + card_hostid, card->cardnum); + + if (card->cardnum == card_hostid) + break; + card = card->next; + } + } + + ASSERT(card); + if (!card) + return STATUS_FAILURE; + /* Put the adapter in the card's adapter list */ + ASSERT(card->adapter[adapter->port] == NULL); + if (!card->adapter[adapter->port]) { + card->adapter[adapter->port] = adapter; + adapter->card = card; + } + + card->card_size = 1; /* one port per *logical* card */ + + while (physcard) { + for (i = 0; i < SLIC_MAX_PORTS; i++) { + if (!physcard->adapter[i]) + continue; + else + break; + } + ASSERT(i != SLIC_MAX_PORTS); + if (physcard->adapter[i]->slotnumber == adapter->slotnumber) + break; + physcard = physcard->next; + } + if (!physcard) { + /* no structure allocated for this physical card yet */ + physcard = + (p_physcard_t) SLIC_ALLOCATE_MEM(sizeof(physcard_t), + GFP_ATOMIC); + ASSERT(physcard); + SLIC_ZERO_MEMORY(physcard, sizeof(physcard_t)); + + DBG_MSG + ("\n%s Allocate a PHYSICALcard:\n PHYSICAL_Card[%p]\n\ + LogicalCard [%p]\n adapter [%p]\n", + __func__, physcard, card, adapter); + + physcard->next = slic_global.phys_card; + slic_global.phys_card = physcard; + physcard->adapters_allocd = 1; + } else { + physcard->adapters_allocd++; + } + /* Note - this is ZERO relative */ + adapter->physport = physcard->adapters_allocd - 1; + + ASSERT(physcard->adapter[adapter->physport] == NULL); + physcard->adapter[adapter->physport] = adapter; + adapter->physcard = physcard; + DBG_MSG(" PHYSICAL_Port %d Logical_Port %d\n", adapter->physport, + adapter->port); + + return 0; +} + +void slic_card_remaster(p_adapter_t adapter) +{ + p_sliccard_t card = adapter->card; + int i; + + DBG_MSG("slicoss: %s card->master[%p] == adapter[%p]??\n", + __func__, card->master, adapter); + if (card->master != adapter) + return; + card->master = NULL; + for (i = 0; i < SLIC_MAX_PORTS; i++) { + if (card->adapter[i] && (card->adapter[i] != adapter)) { + card->master = card->adapter[i]; + DBG_MSG("slicoss: %s NEW MASTER SET card->master[%p]" + " == card->adapter[%d]\n", __func__, + card->master, i); + break; + } + } +} + +void slic_soft_reset(p_adapter_t adapter) +{ + if (adapter->card->state == CARD_UP) { + DBG_MSG("slicoss: %s QUIESCE adapter[%p] card[%p] devid[%x]\n", + __func__, adapter, adapter->card, adapter->devid); + WRITE_REG(adapter->slic_regs->slic_quiesce, 0, FLUSH); + slic_stall_msec(1); + } +/* DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x]\n", + __func__, adapter->netdev->name, adapter, adapter->card, + adapter->devid); */ + + WRITE_REG(adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, FLUSH); + slic_stall_msec(1); +} + +void slic_card_reset(p_adapter_t adapter) +{ + p_sliccard_t card = adapter->card; + p_slic_upr_t upr = adapter->upr_list; + p_slic_upr_t upr_next = NULL; + ulong32 i; +#if SLIC_FAILURE_RESET + ulong32 status = 0; +#endif + DBG_MSG + ("slicoss: %s adapter[%p] port[%d] state[%x] card[%p] state[%x]\n", + __func__, adapter, adapter->port, adapter->state, card, + card->state); + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->adapter_lock); + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->reset_lock); + if (card->state == CARD_DIAG) { + SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); + return; + } + SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + card->reset_in_progress = 1; +#if SLIC_FAILURE_RESET + if (adapter->state != ADAPT_RESET) { + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); + return; + } + + adapter->state = ADAPT_DOWN; + adapter->linkstate = LINK_DOWN; +#endif + if (adapter->gennumber == card->gennumber) { + for (i = 0; i < card->card_size; i++) { + if (card->adapter[i]) { + if (card->adapter[i] == adapter) + continue; + if (card->adapter[i]->state == ADAPT_UP) { + card->adapter[i]->state = ADAPT_RESET; + adapter->linkstate = LINK_DOWN; + } + } + } +#if SLIC_FAILURE_RESET + slic_soft_reset(adapter); + card->state = CARD_DOWN; + card->master = NULL; + card->adapters_activated = 0; +#endif + card->gennumber++; + } + adapter->gennumber = card->gennumber; + adapter->pshmem->isr = 0; + adapter->isrcopy = 0; + SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); + for (i = 0; i < card->card_size; i++) { + if (card->adapter[i]) + slic_cmdq_reset(card->adapter[i]); + } + while (upr) { + upr_next = upr->next; + SLIC_DEALLOCATE_MEM(upr); + upr = upr_next; + } + adapter->upr_list = NULL; + adapter->upr_busy = 0; +#if SLIC_FAILURE_RESET + status = slic_if_init(adapter); + if ((status == 0) && (!card->master)) + card->master = adapter; + slic_mcast_set_mask(adapter); +#endif + SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); + DBG_MSG + ("slicoss: %s EXIT adapter[%p] port[%d] state[%x] card[%p] \ + state[%x]\n", __func__, adapter, adapter->port, adapter->state, + card, card->state); + return; +} + +void slic_config_set(p_adapter_t adapter, boolean linkchange) +{ + ulong32 value; + ulong32 RcrReset; + p_slic_regs_t slic_regs = adapter->slic_regs; + + DBG_MSG("slicoss: %s (%s) slic_interface_enable[%p](%d)\n", + __func__, adapter->netdev->name, adapter, + adapter->cardindex); + + if (linkchange) { + /* Setup MAC */ + slic_mac_config(adapter); + RcrReset = GRCR_RESET; + } else { + slic_mac_address_config(adapter); + RcrReset = 0; + } + + if (adapter->linkduplex == LINK_FULLD) { + /* setup xmtcfg */ + value = (GXCR_RESET | /* Always reset */ + GXCR_XMTEN | /* Enable transmit */ + GXCR_PAUSEEN); /* Enable pause */ + + DBG_MSG("slicoss: FDX adapt[%p] set xmtcfg to [%x]\n", adapter, + value); + WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH); + + /* Setup rcvcfg last */ + value = (RcrReset | /* Reset, if linkchange */ + GRCR_CTLEN | /* Enable CTL frames */ + GRCR_ADDRAEN | /* Address A enable */ + GRCR_RCVBAD | /* Rcv bad frames */ + (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); + } else { + /* setup xmtcfg */ + value = (GXCR_RESET | /* Always reset */ + GXCR_XMTEN); /* Enable transmit */ + + DBG_MSG("slicoss: HDX adapt[%p] set xmtcfg to [%x]\n", adapter, + value); + WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH); + + /* Setup rcvcfg last */ + value = (RcrReset | /* Reset, if linkchange */ + GRCR_ADDRAEN | /* Address A enable */ + GRCR_RCVBAD | /* Rcv bad frames */ + (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); + } + + if (adapter->state != ADAPT_DOWN) { + /* Only enable receive if we are restarting or running */ + value |= GRCR_RCVEN; + } + + if (adapter->macopts & MAC_PROMISC) + value |= GRCR_RCVALL; + + DBG_MSG("slicoss: adapt[%p] set rcvcfg to [%x]\n", adapter, value); + WRITE_REG(slic_regs->slic_wrcfg, value, FLUSH); +} + +/* + * Turn off RCV and XMT, power down PHY + */ +void slic_config_clear(p_adapter_t adapter) +{ + ulong32 value; + ulong32 phy_config; + p_slic_regs_t slic_regs = adapter->slic_regs; + + /* Setup xmtcfg */ + value = (GXCR_RESET | /* Always reset */ + GXCR_PAUSEEN); /* Enable pause */ + + WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH); + + value = (GRCR_RESET | /* Always reset */ + GRCR_CTLEN | /* Enable CTL frames */ + GRCR_ADDRAEN | /* Address A enable */ + (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT)); + + WRITE_REG(slic_regs->slic_wrcfg, value, FLUSH); + + /* power down phy */ + phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN)); + WRITE_REG(slic_regs->slic_wphy, phy_config, FLUSH); +} + +void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 config_h) +{ + int status; + + status = slic_upr_request(adapter, + SLIC_UPR_RCONFIG, + (ulong32) config, (ulong32) config_h, 0, 0); + ASSERT(status == 0); +} + +void slic_mac_address_config(p_adapter_t adapter) +{ + ulong32 value; + ulong32 value2; + p_slic_regs_t slic_regs = adapter->slic_regs; + + value = *(pulong32) &adapter->currmacaddr[2]; + value = ntohl(value); + WRITE_REG(slic_regs->slic_wraddral, value, FLUSH); + WRITE_REG(slic_regs->slic_wraddrbl, value, FLUSH); + + value2 = (ulong32) ((adapter->currmacaddr[0] << 8 | + adapter->currmacaddr[1]) & 0xFFFF); + + WRITE_REG(slic_regs->slic_wraddrah, value2, FLUSH); + WRITE_REG(slic_regs->slic_wraddrbh, value2, FLUSH); + + DBG_MSG("%s value1[%x] value2[%x] Call slic_mcast_set_mask\n", + __func__, value, value2); + slic_dbg_macaddrs(adapter); + + /* Write our multicast mask out to the card. This is done */ + /* here in addition to the slic_mcast_addr_set routine */ + /* because ALL_MCAST may have been enabled or disabled */ + slic_mcast_set_mask(adapter); +} + +void slic_mac_config(p_adapter_t adapter) +{ + ulong32 value; + p_slic_regs_t slic_regs = adapter->slic_regs; + + /* Setup GMAC gaps */ + if (adapter->linkspeed == LINK_1000MB) { + value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) | + (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) | + (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT)); + } else { + value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) | + (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) | + (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT)); + } + + /* enable GMII */ + if (adapter->linkspeed == LINK_1000MB) + value |= GMCR_GBIT; + + /* enable fullduplex */ + if ((adapter->linkduplex == LINK_FULLD) + || (adapter->macopts & MAC_LOOPBACK)) { + value |= GMCR_FULLD; + } + + /* write mac config */ + WRITE_REG(slic_regs->slic_wmcfg, value, FLUSH); + + /* setup mac addresses */ + slic_mac_address_config(adapter); +} + +boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame) +{ + ulong32 opts = adapter->macopts; + pulong32 dhost4 = (pulong32) ðer_frame->ether_dhost[0]; + pushort dhost2 = (pushort) ðer_frame->ether_dhost[4]; + boolean equaladdr; + + if (opts & MAC_PROMISC) { + DBG_MSG("slicoss: %s (%s) PROMISCUOUS. Accept frame\n", + __func__, adapter->netdev->name); + return TRUE; + } + + if ((*dhost4 == 0xFFFFFFFF) && (*dhost2 == 0xFFFF)) { + if (opts & MAC_BCAST) { + adapter->rcv_broadcasts++; + return TRUE; + } else { + return FALSE; + } + } + + if (ether_frame->ether_dhost[0] & 0x01) { + if (opts & MAC_ALLMCAST) { + adapter->rcv_multicasts++; + adapter->stats.multicast++; + return TRUE; + } + if (opts & MAC_MCAST) { + p_mcast_address_t mcaddr = adapter->mcastaddrs; + + while (mcaddr) { + ETHER_EQ_ADDR(mcaddr->address, + ether_frame->ether_dhost, + equaladdr); + if (equaladdr) { + adapter->rcv_multicasts++; + adapter->stats.multicast++; + return TRUE; + } + mcaddr = mcaddr->next; + } + return FALSE; + } else { + return FALSE; + } + } + if (opts & MAC_DIRECTED) { + adapter->rcv_unicasts++; + return TRUE; + } + return FALSE; + +} + +int slic_mac_set_address(struct net_device *dev, pvoid ptr) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct sockaddr *addr = ptr; + + DBG_MSG("%s ENTER (%s)\n", __func__, adapter->netdev->name); + + if (netif_running(dev)) + return -EBUSY; + if (!adapter) + return -EBUSY; + DBG_MSG("slicoss: %s (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + __func__, adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len); + DBG_MSG("slicoss: %s (%s) new %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + __func__, adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + + slic_config_set(adapter, TRUE); + return 0; +} + +/* + * slic_timer_get_stats + * + * Timer function used to suck the statistics out of the card every + * 50 seconds or whatever STATS_TIMER_INTERVAL is set to. + * + */ +void slic_timer_get_stats(ulong dev) +{ + p_adapter_t adapter; + p_sliccard_t card; + p_slic_shmem_t pshmem; + + ASSERT(dev); + adapter = (p_adapter_t) ((struct net_device *)dev)->priv; + ASSERT(adapter); + card = adapter->card; + ASSERT(card); + + if ((card->state == CARD_UP) && + (adapter->state == ADAPT_UP) && (adapter->linkstate == LINK_UP)) { + pshmem = (p_slic_shmem_t) adapter->phys_shmem; +#ifdef CONFIG_X86_64 + slic_upr_request(adapter, + SLIC_UPR_STATS, + SLIC_GET_ADDR_LOW(&pshmem->inicstats), + SLIC_GET_ADDR_HIGH(&pshmem->inicstats), 0, 0); +#elif defined(CONFIG_X86) + slic_upr_request(adapter, + SLIC_UPR_STATS, + (ulong32) &pshmem->inicstats, 0, 0, 0); +#else + Stop compilation; +#endif + } else { +/* DBG_MSG ("slicoss: %s adapter[%p] linkstate[%x] NOT UP!\n", + __func__, adapter, adapter->linkstate); */ + } + adapter->statstimer.expires = jiffies + + SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL); + add_timer(&adapter->statstimer); +} + +void slic_timer_load_check(ulong cardaddr) +{ + p_sliccard_t card = (p_sliccard_t) cardaddr; + p_adapter_t adapter = card->master; + ulong32 load = card->events; + ulong32 level = 0; + + if ((adapter) && (adapter->state == ADAPT_UP) && + (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { + if (adapter->devid == SLIC_1GB_DEVICE_ID) { + if (adapter->linkspeed == LINK_1000MB) + level = 100; + else { + if (load > SLIC_LOAD_5) + level = SLIC_INTAGG_5; + else if (load > SLIC_LOAD_4) + level = SLIC_INTAGG_4; + else if (load > SLIC_LOAD_3) + level = SLIC_INTAGG_3; + else if (load > SLIC_LOAD_2) + level = SLIC_INTAGG_2; + else if (load > SLIC_LOAD_1) + level = SLIC_INTAGG_1; + else + level = SLIC_INTAGG_0; + } + if (card->loadlevel_current != level) { + card->loadlevel_current = level; + WRITE_REG(adapter->slic_regs->slic_intagg, + level, FLUSH); + } + } else { + if (load > SLIC_LOAD_5) + level = SLIC_INTAGG_5; + else if (load > SLIC_LOAD_4) + level = SLIC_INTAGG_4; + else if (load > SLIC_LOAD_3) + level = SLIC_INTAGG_3; + else if (load > SLIC_LOAD_2) + level = SLIC_INTAGG_2; + else if (load > SLIC_LOAD_1) + level = SLIC_INTAGG_1; + else + level = SLIC_INTAGG_0; + if (card->loadlevel_current != level) { + card->loadlevel_current = level; + WRITE_REG(adapter->slic_regs->slic_intagg, + level, FLUSH); + } + } + } + card->events = 0; + card->loadtimer.expires = + jiffies + SLIC_SECS_TO_JIFFS(SLIC_LOADTIMER_PERIOD); + add_timer(&card->loadtimer); +} + +void slic_stall_msec(int stall) +{ + mdelay(stall); +} + +void slic_stall_usec(int stall) +{ + udelay(stall); +} + +void slic_assert_fail(void) +{ + ulong32 cpuid; + ulong32 curr_pid; + cpuid = smp_processor_id(); + curr_pid = current->pid; + + DBG_ERROR("%s CPU # %d ---- PID # %d\n", __func__, cpuid, curr_pid); +} + +int slic_upr_queue_request(p_adapter_t adapter, + ulong32 upr_request, + ulong32 upr_data, + ulong32 upr_data_h, + ulong32 upr_buffer, ulong32 upr_buffer_h) +{ + p_slic_upr_t upr; + p_slic_upr_t uprqueue; + + upr = SLIC_ALLOCATE_MEM(sizeof(slic_upr_t), GFP_ATOMIC); + if (!upr) { + DBG_MSG("%s COULD NOT ALLOCATE UPR MEM\n", __func__); + + return -ENOMEM; + } + upr->adapter = adapter->port; + upr->upr_request = upr_request; + upr->upr_data = upr_data; + upr->upr_buffer = upr_buffer; + upr->upr_data_h = upr_data_h; + upr->upr_buffer_h = upr_buffer_h; + upr->next = NULL; + if (adapter->upr_list) { + uprqueue = adapter->upr_list; + + while (uprqueue->next) + uprqueue = uprqueue->next; + uprqueue->next = upr; + } else { + adapter->upr_list = upr; + } + return STATUS_SUCCESS; +} + +int slic_upr_request(p_adapter_t adapter, + ulong32 upr_request, + ulong32 upr_data, + ulong32 upr_data_h, + ulong32 upr_buffer, ulong32 upr_buffer_h) +{ + int status; + + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock); + status = slic_upr_queue_request(adapter, + upr_request, + upr_data, + upr_data_h, upr_buffer, upr_buffer_h); + if (status != STATUS_SUCCESS) { + SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + return status; + } + slic_upr_start(adapter); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + return STATUS_PENDING; +} + +void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr) +{ + p_sliccard_t card = adapter->card; + p_slic_upr_t upr; + +/* if (card->dump_requested) { + DBG_MSG("ENTER slic_upr_request_complete Dump in progress ISR[%x]\n", + isr); + } */ + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock); + upr = adapter->upr_list; + if (!upr) { + ASSERT(0); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + return; + } + adapter->upr_list = upr->next; + upr->next = NULL; + adapter->upr_busy = 0; + ASSERT(adapter->port == upr->adapter); + switch (upr->upr_request) { + case SLIC_UPR_STATS: + { +#if SLIC_GET_STATS_ENABLED + p_slic_stats_t slicstats = + (p_slic_stats_t) &adapter->pshmem->inicstats; + p_slic_stats_t newstats = slicstats; + p_slic_stats_t old = &adapter->inicstats_prev; + p_slicnet_stats_t stst = &adapter->slic_stats; +#endif + if (isr & ISR_UPCERR) { + DBG_ERROR + ("SLIC_UPR_STATS command failed isr[%x]\n", + isr); + + break; + } +#if SLIC_GET_STATS_ENABLED +/* DBG_MSG ("slicoss: %s rcv %lx:%lx:%lx:%lx:%lx %lx %lx " + "xmt %lx:%lx:%lx:%lx:%lx %lx %lx\n", + __func__, + slicstats->rcv_unicasts100, + slicstats->rcv_bytes100, + slicstats->rcv_bytes100, + slicstats->rcv_tcp_bytes100, + slicstats->rcv_tcp_segs100, + slicstats->rcv_other_error100, + slicstats->rcv_drops100, + slicstats->xmit_unicasts100, + slicstats->xmit_bytes100, + slicstats->xmit_bytes100, + slicstats->xmit_tcp_bytes100, + slicstats->xmit_tcp_segs100, + slicstats->xmit_other_error100, + slicstats->xmit_collisions100);*/ + UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs, + newstats->xmit_tcp_segs_gb, + old->xmit_tcp_segs_gb); + + UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes, + newstats->xmit_tcp_bytes_gb, + old->xmit_tcp_bytes_gb); + + UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs, + newstats->rcv_tcp_segs_gb, + old->rcv_tcp_segs_gb); + + UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes, + newstats->rcv_tcp_bytes_gb, + old->rcv_tcp_bytes_gb); + + UPDATE_STATS_GB(stst->iface.xmt_bytes, + newstats->xmit_bytes_gb, + old->xmit_bytes_gb); + + UPDATE_STATS_GB(stst->iface.xmt_ucast, + newstats->xmit_unicasts_gb, + old->xmit_unicasts_gb); + + UPDATE_STATS_GB(stst->iface.rcv_bytes, + newstats->rcv_bytes_gb, + old->rcv_bytes_gb); + + UPDATE_STATS_GB(stst->iface.rcv_ucast, + newstats->rcv_unicasts_gb, + old->rcv_unicasts_gb); + + UPDATE_STATS_GB(stst->iface.xmt_errors, + newstats->xmit_collisions_gb, + old->xmit_collisions_gb); + + UPDATE_STATS_GB(stst->iface.xmt_errors, + newstats->xmit_excess_collisions_gb, + old->xmit_excess_collisions_gb); + + UPDATE_STATS_GB(stst->iface.xmt_errors, + newstats->xmit_other_error_gb, + old->xmit_other_error_gb); + + UPDATE_STATS_GB(stst->iface.rcv_errors, + newstats->rcv_other_error_gb, + old->rcv_other_error_gb); + + UPDATE_STATS_GB(stst->iface.rcv_discards, + newstats->rcv_drops_gb, + old->rcv_drops_gb); + + if (newstats->rcv_drops_gb > old->rcv_drops_gb) { + adapter->rcv_drops += + (newstats->rcv_drops_gb - + old->rcv_drops_gb); + } + memcpy(old, newstats, sizeof(slic_stats_t)); +#endif + break; + } + case SLIC_UPR_RLSR: + slic_link_upr_complete(adapter, isr); + break; + case SLIC_UPR_RCONFIG: + break; + case SLIC_UPR_RPHY: + ASSERT(0); + break; + case SLIC_UPR_ENLB: + ASSERT(0); + break; + case SLIC_UPR_ENCT: + ASSERT(0); + break; + case SLIC_UPR_PDWN: + ASSERT(0); + break; + case SLIC_UPR_PING: + card->pingstatus |= (isr & ISR_PINGDSMASK); + break; +#if SLIC_DUMP_ENABLED + case SLIC_UPR_DUMP: + card->dumpstatus |= (isr & ISR_UPCMASK); + break; +#endif + default: + ASSERT(0); + } + SLIC_DEALLOCATE_MEM(upr); + slic_upr_start(adapter); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); +} + +void slic_upr_start(p_adapter_t adapter) +{ + p_slic_upr_t upr; + p_slic_regs_t slic_regs = adapter->slic_regs; +/* + char * ptr1; + char * ptr2; + uint cmdoffset; +*/ + upr = adapter->upr_list; + if (!upr) + return; + if (adapter->upr_busy) + return; + adapter->upr_busy = 1; + + switch (upr->upr_request) { + case SLIC_UPR_STATS: + if (upr->upr_data_h == 0) { + WRITE_REG(slic_regs->slic_stats, upr->upr_data, FLUSH); + } else { + WRITE_REG64(adapter, + slic_regs->slic_stats64, + upr->upr_data, + slic_regs->slic_addr_upper, + upr->upr_data_h, FLUSH); + } + break; + + case SLIC_UPR_RLSR: + WRITE_REG64(adapter, + slic_regs->slic_rlsr, + upr->upr_data, + slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH); + break; + + case SLIC_UPR_RCONFIG: + DBG_MSG("%s SLIC_UPR_RCONFIG!!!!\n", __func__); + DBG_MSG("WRITE_REG64 adapter[%p]\n" + " a->slic_regs[%p] slic_regs[%p]\n" + " &slic_rconfig[%p] &slic_addr_upper[%p]\n" + " upr[%p]\n" + " uprdata[%x] uprdatah[%x]\n", + adapter, adapter->slic_regs, slic_regs, + &slic_regs->slic_rconfig, &slic_regs->slic_addr_upper, + upr, upr->upr_data, upr->upr_data_h); + WRITE_REG64(adapter, + slic_regs->slic_rconfig, + upr->upr_data, + slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH); + break; +#if SLIC_DUMP_ENABLED + case SLIC_UPR_DUMP: +#if 0 + DBG_MSG("%s SLIC_UPR_DUMP!!!!\n", __func__); + DBG_MSG("WRITE_REG64 adapter[%p]\n" + " upr_buffer[%x] upr_bufferh[%x]\n" + " upr_data[%x] upr_datah[%x]\n" + " cmdbuff[%p] cmdbuffP[%p]\n" + " dumpbuff[%p] dumpbuffP[%p]\n", + adapter, upr->upr_buffer, upr->upr_buffer_h, + upr->upr_data, upr->upr_data_h, + adapter->card->cmdbuffer, + (void *)adapter->card->cmdbuffer_phys, + adapter->card->dumpbuffer, ( + void *)adapter->card->dumpbuffer_phys); + + ptr1 = (char *)slic_regs; + ptr2 = (char *)(&slic_regs->slic_dump_cmd); + cmdoffset = ptr2 - ptr1; + DBG_MSG("slic_dump_cmd register offset [%x]\n", cmdoffset); +#endif + if (upr->upr_buffer || upr->upr_buffer_h) { + WRITE_REG64(adapter, + slic_regs->slic_dump_data, + upr->upr_buffer, + slic_regs->slic_addr_upper, + upr->upr_buffer_h, FLUSH); + } + WRITE_REG64(adapter, + slic_regs->slic_dump_cmd, + upr->upr_data, + slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH); + break; +#endif + case SLIC_UPR_PING: + WRITE_REG(slic_regs->slic_ping, 1, FLUSH); + break; + default: + ASSERT(0); + } +} + +void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr) +{ + ulong32 linkstatus = adapter->pshmem->linkstatus; + uint linkup; + uchar linkspeed; + uchar linkduplex; + + DBG_MSG("%s: %s ISR[%x] linkstatus[%x]\n adapter[%p](%d)\n", + __func__, adapter->netdev->name, isr, linkstatus, adapter, + adapter->cardindex); + + if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { + p_slic_shmem_t pshmem; + + pshmem = (p_slic_shmem_t) adapter->phys_shmem; +#if defined(CONFIG_X86_64) + slic_upr_queue_request(adapter, + SLIC_UPR_RLSR, + SLIC_GET_ADDR_LOW(&pshmem->linkstatus), + SLIC_GET_ADDR_HIGH(&pshmem->linkstatus), + 0, 0); +#elif defined(CONFIG_X86) + slic_upr_queue_request(adapter, + SLIC_UPR_RLSR, + (ulong32) &pshmem->linkstatus, + SLIC_GET_ADDR_HIGH(pshmem), 0, 0); +#else + Stop Compilation; +#endif + return; + } + if (adapter->state != ADAPT_UP) + return; + + ASSERT((adapter->devid == SLIC_1GB_DEVICE_ID) + || (adapter->devid == SLIC_2GB_DEVICE_ID)); + + linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN; + if (linkstatus & GIG_SPEED_1000) { + linkspeed = LINK_1000MB; + DBG_MSG("slicoss: %s (%s) GIGABIT Speed==1000MB ", + __func__, adapter->netdev->name); + } else if (linkstatus & GIG_SPEED_100) { + linkspeed = LINK_100MB; + DBG_MSG("slicoss: %s (%s) GIGABIT Speed==100MB ", __func__, + adapter->netdev->name); + } else { + linkspeed = LINK_10MB; + DBG_MSG("slicoss: %s (%s) GIGABIT Speed==10MB ", __func__, + adapter->netdev->name); + } + if (linkstatus & GIG_FULLDUPLEX) { + linkduplex = LINK_FULLD; + DBG_MSG(" Duplex == FULL\n"); + } else { + linkduplex = LINK_HALFD; + DBG_MSG(" Duplex == HALF\n"); + } + + if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN)) { + DBG_MSG("slicoss: %s (%s) physport(%d) link still down\n", + __func__, adapter->netdev->name, adapter->physport); + return; + } + + /* link up event, but nothing has changed */ + if ((adapter->linkstate == LINK_UP) && + (linkup == LINK_UP) && + (adapter->linkspeed == linkspeed) && + (adapter->linkduplex == linkduplex)) { + DBG_MSG("slicoss: %s (%s) port(%d) link still up\n", + __func__, adapter->netdev->name, adapter->physport); + return; + } + + /* link has changed at this point */ + + /* link has gone from up to down */ + if (linkup == LINK_DOWN) { + adapter->linkstate = LINK_DOWN; + DBG_MSG("slicoss: %s %d LinkDown!\n", __func__, + adapter->physport); + return; + } + + /* link has gone from down to up */ + adapter->linkspeed = linkspeed; + adapter->linkduplex = linkduplex; + + if (adapter->linkstate != LINK_UP) { + /* setup the mac */ + DBG_MSG("%s call slic_config_set\n", __func__); + slic_config_set(adapter, TRUE); + adapter->linkstate = LINK_UP; + DBG_MSG("\n(%s) Link UP: CALL slic_if_start_queue", + adapter->netdev->name); + slic_if_start_queue(adapter); + } +#if 1 + switch (linkspeed) { + case LINK_1000MB: + DBG_MSG + ("\n(%s) LINK UP!: GIGABIT SPEED == 1000MB duplex[%x]\n", + adapter->netdev->name, adapter->linkduplex); + break; + case LINK_100MB: + DBG_MSG("\n(%s) LINK UP!: SPEED == 100MB duplex[%x]\n", + adapter->netdev->name, adapter->linkduplex); + break; + default: + DBG_MSG("\n(%s) LINK UP!: SPEED == 10MB duplex[%x]\n", + adapter->netdev->name, adapter->linkduplex); + break; + } +#endif +} + +/* + * this is here to checksum the eeprom, there is some ucode bug + * which prevens us from using the ucode result. + * remove this once ucode is fixed. + */ +ushort slic_eeprom_cksum(pchar m, int len) +{ +#define ADDCARRY(x) (x > 65535 ? x -= 65535 : x) +#define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);\ + } + + pushort w; + ulong32 sum = 0; + ulong32 byte_swapped = 0; + ulong32 w_int; + + union { + char c[2]; + ushort s; + } s_util; + + union { + ushort s[2]; + int l; + } l_util; + + l_util.l = 0; + s_util.s = 0; + + w = (pushort) m; +#ifdef CONFIG_X86_64 + w_int = (ulong32) ((ulong) w & 0x00000000FFFFFFFF); +#else + w_int = (ulong32) (w); +#endif + if ((1 & w_int) && (len > 0)) { + REDUCE; + sum <<= 8; + s_util.c[0] = *(puchar) w; + w = (pushort) ((char *)w + 1); + len--; + byte_swapped = 1; + } + + /* Unroll the loop to make overhead from branches &c small. */ + while ((len -= 32) >= 0) { + sum += w[0]; + sum += w[1]; + sum += w[2]; + sum += w[3]; + sum += w[4]; + sum += w[5]; + sum += w[6]; + sum += w[7]; + sum += w[8]; + sum += w[9]; + sum += w[10]; + sum += w[11]; + sum += w[12]; + sum += w[13]; + sum += w[14]; + sum += w[15]; + w = (pushort) ((ulong) w + 16); /* verify */ + } + len += 32; + while ((len -= 8) >= 0) { + sum += w[0]; + sum += w[1]; + sum += w[2]; + sum += w[3]; + w = (pushort) ((ulong) w + 4); /* verify */ + } + len += 8; + if (len != 0 || byte_swapped != 0) { + REDUCE; + while ((len -= 2) >= 0) + sum += *w++; /* verify */ + if (byte_swapped) { + REDUCE; + sum <<= 8; + byte_swapped = 0; + if (len == -1) { + s_util.c[1] = *(pchar) w; + sum += s_util.s; + len = 0; + } else { + len = -1; + } + + } else if (len == -1) { + s_util.c[0] = *(pchar) w; + } + + if (len == -1) { + s_util.c[1] = 0; + sum += s_util.s; + } + } + REDUCE; + return (ushort) sum; +} + +int slic_rspqueue_init(p_adapter_t adapter) +{ + int i; + p_slic_rspqueue_t rspq = &adapter->rspqueue; + p_slic_regs_t slic_regs = adapter->slic_regs; + ulong32 paddrh = 0; + + DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__, + adapter->netdev->name, adapter); + ASSERT(adapter->state == ADAPT_DOWN); + SLIC_ZERO_MEMORY(rspq, sizeof(slic_rspqueue_t)); + + rspq->num_pages = SLIC_RSPQ_PAGES_GB; + + for (i = 0; i < rspq->num_pages; i++) { + rspq->vaddr[i] = + pci_alloc_consistent(adapter->pcidev, PAGE_SIZE, + &rspq->paddr[i]); + if (!rspq->vaddr[i]) { + DBG_ERROR + ("rspqueue_init_failed pci_alloc_consistent\n"); + slic_rspqueue_free(adapter); + return STATUS_FAILURE; + } +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) rspq->vaddr[i] & 0xFFFFF000) == + (ulong32) rspq->vaddr[i]); + ASSERT(((ulong32) rspq->paddr[i] & 0xFFFFF000) == + (ulong32) rspq->paddr[i]); +#endif + SLIC_ZERO_MEMORY(rspq->vaddr[i], PAGE_SIZE); +/* DBG_MSG("slicoss: %s UPLOAD RSPBUFF Page pageix[%x] paddr[%p] " + "vaddr[%p]\n", + __func__, i, (void *)rspq->paddr[i], rspq->vaddr[i]); */ + + if (paddrh == 0) { + WRITE_REG(slic_regs->slic_rbar, + (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), + DONT_FLUSH); + } else { + WRITE_REG64(adapter, + slic_regs->slic_rbar64, + (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE), + slic_regs->slic_addr_upper, + paddrh, DONT_FLUSH); + } + } + rspq->offset = 0; + rspq->pageindex = 0; + rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[0]; + DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__, + adapter->netdev->name, adapter); + return STATUS_SUCCESS; +} + +int slic_rspqueue_reset(p_adapter_t adapter) +{ + p_slic_rspqueue_t rspq = &adapter->rspqueue; + + DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__, + adapter->netdev->name, adapter); + ASSERT(adapter->state == ADAPT_DOWN); + ASSERT(rspq); + + DBG_MSG("slicoss: Nothing to do. rspq[%p]\n" + " offset[%x]\n" + " pageix[%x]\n" + " rspbuf[%p]\n", + rspq, rspq->offset, rspq->pageindex, rspq->rspbuf); + + DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__, + adapter->netdev->name, adapter); + return STATUS_SUCCESS; +} + +void slic_rspqueue_free(p_adapter_t adapter) +{ + int i; + slic_rspqueue_t *rspq = &adapter->rspqueue; + + DBG_MSG("slicoss: %s adapter[%p] port %d rspq[%p] FreeRSPQ\n", + __func__, adapter, adapter->physport, rspq); + for (i = 0; i < rspq->num_pages; i++) { + if (rspq->vaddr[i]) { + DBG_MSG + ("slicoss: pci_free_consistent rspq->vaddr[%p] \ + paddr[%p]\n", + rspq->vaddr[i], (pvoid) rspq->paddr[i]); + pci_free_consistent(adapter->pcidev, PAGE_SIZE, + rspq->vaddr[i], rspq->paddr[i]); + } + rspq->vaddr[i] = NULL; + rspq->paddr[i] = 0; + } + rspq->offset = 0; + rspq->pageindex = 0; + rspq->rspbuf = NULL; +} + +p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter) +{ + p_slic_rspqueue_t rspq = &adapter->rspqueue; + p_slic_rspbuf_t buf; + + if (!(rspq->rspbuf->status)) + return NULL; + + buf = rspq->rspbuf; +#ifndef CONFIG_X86_64 + ASSERT((buf->status & 0xFFFFFFE0) == 0); +#endif + ASSERT(buf->hosthandle); + if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { + rspq->rspbuf++; +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) rspq->rspbuf & 0xFFFFFFE0) == + (ulong32) rspq->rspbuf); +#endif + } else { + ASSERT(rspq->offset == SLIC_RSPQ_BUFSINPAGE); + WRITE_REG64(adapter, + adapter->slic_regs->slic_rbar64, + (rspq-> + paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE), + adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH); + rspq->pageindex = (++rspq->pageindex) % rspq->num_pages; + rspq->offset = 0; + rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[rspq->pageindex]; +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) rspq->rspbuf & 0xFFFFF000) == + (ulong32) rspq->rspbuf); +#endif + } +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) buf & 0xFFFFFFE0) == (ulong32) buf); +#endif + return buf; +} + +void slic_cmdqmem_init(p_adapter_t adapter) +{ + slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem; + + SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t)); +} + +void slic_cmdqmem_free(p_adapter_t adapter) +{ + slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem; + int i; + + DBG_MSG("slicoss: (%s) adapter[%p] port %d rspq[%p] Free CMDQ Memory\n", + __func__, adapter, adapter->physport, cmdqmem); + for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) { + if (cmdqmem->pages[i]) { + DBG_MSG("slicoss: %s Deallocate page CmdQPage[%p]\n", + __func__, (pvoid) cmdqmem->pages[i]); + pci_free_consistent(adapter->pcidev, + PAGE_SIZE, + (pvoid) cmdqmem->pages[i], + cmdqmem->dma_pages[i]); + } + } + SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t)); +} + +pulong32 slic_cmdqmem_addpage(p_adapter_t adapter) +{ + p_slic_cmdqmem_t cmdqmem = &adapter->cmdqmem; + pulong32 pageaddr; + + if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES) + return NULL; + pageaddr = pci_alloc_consistent(adapter->pcidev, + PAGE_SIZE, + &cmdqmem->dma_pages[cmdqmem->pagecnt]); + if (!pageaddr) + return NULL; +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr); +#endif + cmdqmem->pages[cmdqmem->pagecnt] = pageaddr; + cmdqmem->pagecnt++; + return pageaddr; +} + +int slic_cmdq_init(p_adapter_t adapter) +{ + int i; + pulong32 pageaddr; + + DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); + ASSERT(adapter->state == ADAPT_DOWN); + SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t)); + SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t)); + SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t)); + SLIC_INIT_SPINLOCK(adapter->cmdq_all.lock); + SLIC_INIT_SPINLOCK(adapter->cmdq_free.lock); + SLIC_INIT_SPINLOCK(adapter->cmdq_done.lock); + slic_cmdqmem_init(adapter); + adapter->slic_handle_ix = 1; + for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) { + pageaddr = slic_cmdqmem_addpage(adapter); +#ifndef CONFIG_X86_64 + ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr); +#endif + if (!pageaddr) { + slic_cmdq_free(adapter); + return STATUS_FAILURE; + } + slic_cmdq_addcmdpage(adapter, pageaddr); + } + adapter->slic_handle_ix = 1; + DBG_MSG("slicoss: %s reset slic_handle_ix to ONE\n", __func__); + + return STATUS_SUCCESS; +} + +void slic_cmdq_free(p_adapter_t adapter) +{ + p_slic_hostcmd_t cmd; + + DBG_MSG("slicoss: %s adapter[%p] port %d FreeCommandsFrom CMDQ\n", + __func__, adapter, adapter->physport); + cmd = adapter->cmdq_all.head; + while (cmd) { + if (cmd->busy) { + struct sk_buff *tempskb; + + tempskb = cmd->skb; + if (tempskb) { + cmd->skb = NULL; + dev_kfree_skb_irq(tempskb); + } + } + cmd = cmd->next_all; + } + SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t)); + SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t)); + SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t)); + slic_cmdqmem_free(adapter); +} + +void slic_cmdq_reset(p_adapter_t adapter) +{ + p_slic_hostcmd_t hcmd; + struct sk_buff *skb; + ulong32 outstanding; + + DBG_MSG("%s ENTER adapter[%p]\n", __func__, adapter); + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_free.lock); + SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_done.lock); + outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; + outstanding -= adapter->cmdq_free.count; + hcmd = adapter->cmdq_all.head; + while (hcmd) { + if (hcmd->busy) { + skb = hcmd->skb; + ASSERT(skb); + DBG_MSG("slicoss: %s hcmd[%p] skb[%p] ", __func__, + hcmd, skb); + hcmd->busy = 0; + hcmd->skb = NULL; + DBG_MSG(" Free SKB\n"); + dev_kfree_skb_irq(skb); + } + hcmd = hcmd->next_all; + } + adapter->cmdq_free.count = 0; + adapter->cmdq_free.head = NULL; + adapter->cmdq_free.tail = NULL; + adapter->cmdq_done.count = 0; + adapter->cmdq_done.head = NULL; + adapter->cmdq_done.tail = NULL; + adapter->cmdq_free.head = adapter->cmdq_all.head; + hcmd = adapter->cmdq_all.head; + while (hcmd) { + adapter->cmdq_free.count++; + hcmd->next = hcmd->next_all; + hcmd = hcmd->next_all; + } + if (adapter->cmdq_free.count != adapter->cmdq_all.count) { + DBG_ERROR("%s free_count %d != all count %d\n", __func__, + adapter->cmdq_free.count, adapter->cmdq_all.count); + } + SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_done.lock); + SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_free.lock); + DBG_MSG("%s EXIT adapter[%p]\n", __func__, adapter); +} + +void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page) +{ + p_slic_hostcmd_t cmd; + p_slic_hostcmd_t prev; + p_slic_hostcmd_t tail; + p_slic_cmdqueue_t cmdq; + int cmdcnt; + pvoid cmdaddr; + ulong phys_addr; + ulong32 phys_addrl; + ulong32 phys_addrh; + pslic_handle_t pslic_handle; + + cmdaddr = page; + cmd = (p_slic_hostcmd_t) cmdaddr; +/* DBG_MSG("CMDQ Page addr[%p] ix[%d] pfree[%p]\n", cmdaddr, slic_handle_ix, + adapter->pfree_slic_handles); */ + cmdcnt = 0; + + phys_addr = SLIC_GET_PHYSICAL_ADDRESS((void *)page); + phys_addrl = SLIC_GET_ADDR_LOW(phys_addr); + phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr); + + prev = NULL; + tail = cmd; + while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) && + (adapter->slic_handle_ix < 256)) { + /* Allocate and initialize a SLIC_HANDLE for this command */ + SLIC_GET_SLIC_HANDLE(adapter, pslic_handle); + if (pslic_handle == NULL) + ASSERT(0); + ASSERT(pslic_handle == + &adapter->slic_handles[pslic_handle->token. + handle_index]); + pslic_handle->type = SLIC_HANDLE_CMD; + pslic_handle->address = (pvoid) cmd; + pslic_handle->offset = (ushort) adapter->slic_handle_ix++; + pslic_handle->other_handle = NULL; + pslic_handle->next = NULL; + + cmd->pslic_handle = pslic_handle; + cmd->cmd64.hosthandle = pslic_handle->token.handle_token; + cmd->busy = FALSE; + cmd->paddrl = phys_addrl; + cmd->paddrh = phys_addrh; + cmd->next_all = prev; + cmd->next = prev; + prev = cmd; + phys_addrl += SLIC_HOSTCMD_SIZE; + cmdaddr += SLIC_HOSTCMD_SIZE; + + cmd = (p_slic_hostcmd_t) cmdaddr; + cmdcnt++; + } + + cmdq = &adapter->cmdq_all; + cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ + tail->next_all = cmdq->head; + ASSERT(VALID_ADDRESS(prev)); + cmdq->head = prev; + cmdq = &adapter->cmdq_free; + SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); + cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ + tail->next = cmdq->head; + ASSERT(VALID_ADDRESS(prev)); + cmdq->head = prev; + SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); +} + +p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter) +{ + p_slic_cmdqueue_t cmdq = &adapter->cmdq_free; + p_slic_hostcmd_t cmd = NULL; + +lock_and_retry: + SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); +retry: + cmd = cmdq->head; + if (cmd) { + cmdq->head = cmd->next; + cmdq->count--; + SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); + } else { + slic_cmdq_getdone(adapter); + cmd = cmdq->head; + if (cmd) { + goto retry; + } else { + pulong32 pageaddr; + + SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); + pageaddr = slic_cmdqmem_addpage(adapter); + if (pageaddr) { + slic_cmdq_addcmdpage(adapter, pageaddr); + goto lock_and_retry; + } + } + } + return cmd; +} + +void slic_cmdq_getdone(p_adapter_t adapter) +{ + p_slic_cmdqueue_t done_cmdq = &adapter->cmdq_done; + p_slic_cmdqueue_t free_cmdq = &adapter->cmdq_free; + + ASSERT(free_cmdq->head == NULL); + SLIC_ACQUIRE_IRQ_SPINLOCK(done_cmdq->lock); + ASSERT(VALID_ADDRESS(done_cmdq->head)); + + free_cmdq->head = done_cmdq->head; + free_cmdq->count = done_cmdq->count; + done_cmdq->head = NULL; + done_cmdq->tail = NULL; + done_cmdq->count = 0; + SLIC_RELEASE_IRQ_SPINLOCK(done_cmdq->lock); +} + +void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd) +{ + p_slic_cmdqueue_t cmdq = &adapter->cmdq_done; + + SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); + cmd->busy = 0; + ASSERT(VALID_ADDRESS(cmdq->head)); + cmd->next = cmdq->head; + ASSERT(VALID_ADDRESS(cmd)); + cmdq->head = cmd; + cmdq->count++; + SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); +} + +void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd) +{ + p_slic_cmdqueue_t cmdq = &adapter->cmdq_done; + + SLIC_ACQUIRE_SPINLOCK(cmdq->lock); + cmd->busy = 0; + ASSERT(VALID_ADDRESS(cmdq->head)); + cmd->next = cmdq->head; + ASSERT(VALID_ADDRESS(cmd)); + cmdq->head = cmd; + cmdq->count++; + if ((adapter->xmitq_full) && (cmdq->count > 10)) + netif_wake_queue(adapter->netdev); + SLIC_RELEASE_SPINLOCK(cmdq->lock); +} + +int slic_rcvqueue_init(p_adapter_t adapter) +{ + int i, count; + p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + + DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); + ASSERT(adapter->state == ADAPT_DOWN); + rcvq->tail = NULL; + rcvq->head = NULL; + rcvq->size = SLIC_RCVQ_ENTRIES; + rcvq->errors = 0; + rcvq->count = 0; + i = (SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES); + count = 0; + while (i) { + count += slic_rcvqueue_fill(adapter); + i--; + } + if (rcvq->count < SLIC_RCVQ_MINENTRIES) { + slic_rcvqueue_free(adapter); + return STATUS_FAILURE; + } + DBG_MSG("slicoss: %s EXIT adapter[%p]\n", __func__, adapter); + return STATUS_SUCCESS; +} + +int slic_rcvqueue_reset(p_adapter_t adapter) +{ + p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + + DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); + ASSERT(adapter->state == ADAPT_DOWN); + ASSERT(rcvq); + + DBG_MSG("slicoss: Nothing to do. rcvq[%p]\n" + " count[%x]\n" + " head[%p]\n" + " tail[%p]\n", + rcvq, rcvq->count, rcvq->head, rcvq->tail); + + DBG_MSG("slicoss: %s EXIT adapter[%p]\n", __func__, adapter); + return STATUS_SUCCESS; +} + +void slic_rcvqueue_free(p_adapter_t adapter) +{ + slic_rcvqueue_t *rcvq = &adapter->rcvqueue; + struct sk_buff *skb; + + while (rcvq->head) { + skb = rcvq->head; + rcvq->head = rcvq->head->next; + dev_kfree_skb(skb); + } + rcvq->tail = NULL; + rcvq->head = NULL; + rcvq->count = 0; +} + +struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter) +{ + p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + struct sk_buff *skb; + p_slic_rcvbuf_t rcvbuf; + int count; + + if (rcvq->count) { + skb = rcvq->head; + rcvbuf = (p_slic_rcvbuf_t) skb->head; + ASSERT(rcvbuf); + + if (rcvbuf->status & IRHDDR_SVALID) { + rcvq->head = rcvq->head->next; + skb->next = NULL; + rcvq->count--; + } else { + skb = NULL; + } + } else { + DBG_ERROR("RcvQ Empty!! adapter[%p] rcvq[%p] count[%x]\n", + adapter, rcvq, rcvq->count); + skb = NULL; + } + while (rcvq->count < SLIC_RCVQ_FILLTHRESH) { + count = slic_rcvqueue_fill(adapter); + if (!count) + break; + } + if (skb) + rcvq->errors = 0; + return skb; +} + +int slic_rcvqueue_fill(p_adapter_t adapter) +{ + pvoid paddr; + ulong32 paddrl; + ulong32 paddrh; + p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + int i = 0; + + while (i < SLIC_RCVQ_FILLENTRIES) { + p_slic_rcvbuf_t rcvbuf; + struct sk_buff *skb; +#ifdef KLUDGE_FOR_4GB_BOUNDARY +retry_rcvqfill: +#endif + skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC); + if (skb) { + paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter, + skb->data, + SLIC_RCVQ_RCVBUFSIZE); + paddrl = SLIC_GET_ADDR_LOW(paddr); + paddrh = SLIC_GET_ADDR_HIGH(paddr); + + skb->len = SLIC_RCVBUF_HEADSIZE; + rcvbuf = (p_slic_rcvbuf_t) skb->head; + rcvbuf->status = 0; + skb->next = NULL; +#ifdef KLUDGE_FOR_4GB_BOUNDARY + if (paddrl == 0) { + DBG_ERROR + ("%s: LOW 32bits PHYSICAL ADDRESS == 0 " + "skb[%p] PROBLEM\n" + " skbdata[%p]\n" + " skblen[%x]\n" + " paddr[%p]\n" + " paddrl[%x]\n" + " paddrh[%x]\n", __func__, skb, + skb->data, skb->len, paddr, paddrl, + paddrh); + DBG_ERROR(" rcvq->head[%p]\n" + " rcvq->tail[%p]\n" + " rcvq->count[%x]\n", + rcvq->head, rcvq->tail, rcvq->count); + DBG_ERROR("SKIP THIS SKB!!!!!!!!\n"); + goto retry_rcvqfill; + } +#else + if (paddrl == 0) { + DBG_ERROR + ("\n\n%s: LOW 32bits PHYSICAL ADDRESS == 0 " + "skb[%p] GIVE TO CARD ANYWAY\n" + " skbdata[%p]\n" + " paddr[%p]\n" + " paddrl[%x]\n" + " paddrh[%x]\n", __func__, skb, + skb->data, paddr, paddrl, paddrh); + } +#endif + if (paddrh == 0) { + WRITE_REG(adapter->slic_regs->slic_hbar, + (ulong32) paddrl, DONT_FLUSH); + } else { + WRITE_REG64(adapter, + adapter->slic_regs->slic_hbar64, + (ulong32) paddrl, + adapter->slic_regs->slic_addr_upper, + (ulong32) paddrh, DONT_FLUSH); + } + if (rcvq->head) + rcvq->tail->next = skb; + else + rcvq->head = skb; + rcvq->tail = skb; + rcvq->count++; + i++; + } else { + DBG_ERROR + ("%s slic_rcvqueue_fill could only get [%d] " + "skbuffs\n", + adapter->netdev->name, i); + break; + } + } + return i; +} + +ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb) +{ + p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + pvoid paddr; + ulong32 paddrl; + ulong32 paddrh; + p_slic_rcvbuf_t rcvbuf = (p_slic_rcvbuf_t) skb->head; + + ASSERT(skb->len == SLIC_RCVBUF_HEADSIZE); + paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter, + skb->head, + SLIC_RCVQ_RCVBUFSIZE); + rcvbuf->status = 0; + skb->next = NULL; + + paddrl = SLIC_GET_ADDR_LOW(paddr); + paddrh = SLIC_GET_ADDR_HIGH(paddr); + + if (paddrl == 0) { + DBG_ERROR + ("%s: LOW 32bits PHYSICAL ADDRESS == 0 skb[%p] PROBLEM\n" + " skbdata[%p]\n" " skblen[%x]\n" + " paddr[%p]\n" " paddrl[%x]\n" + " paddrh[%x]\n", __func__, skb, skb->data, + skb->len, paddr, paddrl, paddrh); + DBG_ERROR(" rcvq->head[%p]\n" + " rcvq->tail[%p]\n" + " rcvq->count[%x]\n", rcvq->head, rcvq->tail, + rcvq->count); + } + if (paddrh == 0) { + WRITE_REG(adapter->slic_regs->slic_hbar, (ulong32) paddrl, + DONT_FLUSH); + } else { + WRITE_REG64(adapter, + adapter->slic_regs->slic_hbar64, + paddrl, + adapter->slic_regs->slic_addr_upper, + paddrh, DONT_FLUSH); + } + if (rcvq->head) + rcvq->tail->next = skb; + else + rcvq->head = skb; + rcvq->tail = skb; + rcvq->count++; + return rcvq->count; +} + +static int slic_debug_card_show(struct seq_file *seq, void *v) +{ +#ifdef MOOKTODO + int i; + p_sliccard_t card = seq->private; + pslic_config_t config = &card->config; + puchar fru = (puchar) (&card->config.atk_fru); + puchar oemfru = (puchar) (&card->config.OemFru); +#endif + + seq_printf(seq, "driver_version : %s", slic_proc_version); + seq_printf(seq, "Microcode versions: \n"); + seq_printf(seq, " Gigabit (gb) : %s %s\n", + MOJAVE_UCODE_VERS_STRING, MOJAVE_UCODE_VERS_DATE); + seq_printf(seq, " Gigabit Receiver : %s %s\n", + GB_RCVUCODE_VERS_STRING, GB_RCVUCODE_VERS_DATE); + seq_printf(seq, "Vendor : %s\n", slic_vendor); + seq_printf(seq, "Product Name : %s\n", slic_product_name); +#ifdef MOOKTODO + seq_printf(seq, "VendorId : %4.4X\n", + config->VendorId); + seq_printf(seq, "DeviceId : %4.4X\n", + config->DeviceId); + seq_printf(seq, "RevisionId : %2.2x\n", + config->RevisionId); + seq_printf(seq, "Bus # : %d\n", card->busnumber); + seq_printf(seq, "Device # : %d\n", card->slotnumber); + seq_printf(seq, "Interfaces : %d\n", card->card_size); + seq_printf(seq, " Initialized : %d\n", + card->adapters_activated); + seq_printf(seq, " Allocated : %d\n", + card->adapters_allocated); + ASSERT(card->card_size <= SLIC_NBR_MACS); + for (i = 0; i < card->card_size; i++) { + seq_printf(seq, + " MAC%d : %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n", + i, config->macinfo[i].macaddrA[0], + config->macinfo[i].macaddrA[1], + config->macinfo[i].macaddrA[2], + config->macinfo[i].macaddrA[3], + config->macinfo[i].macaddrA[4], + config->macinfo[i].macaddrA[5]); + } + seq_printf(seq, " IF Init State Duplex/Speed irq\n"); + seq_printf(seq, " -------------------------------\n"); + for (i = 0; i < card->adapters_allocated; i++) { + p_adapter_t adapter; + + adapter = card->adapter[i]; + if (adapter) { + seq_printf(seq, + " %d %d %s %s %s 0x%X\n", + adapter->physport, adapter->state, + SLIC_LINKSTATE(adapter->linkstate), + SLIC_DUPLEX(adapter->linkduplex), + SLIC_SPEED(adapter->linkspeed), + (uint) adapter->irq); + } + } + seq_printf(seq, "Generation # : %4.4X\n", card->gennumber); + seq_printf(seq, "RcvQ max entries : %4.4X\n", + SLIC_RCVQ_ENTRIES); + seq_printf(seq, "Ping Status : %8.8X\n", + card->pingstatus); + seq_printf(seq, "Minimum grant : %2.2x\n", + config->MinGrant); + seq_printf(seq, "Maximum Latency : %2.2x\n", config->MaxLat); + seq_printf(seq, "PciStatus : %4.4x\n", + config->Pcistatus); + seq_printf(seq, "Debug Device Id : %4.4x\n", + config->DbgDevId); + seq_printf(seq, "DRAM ROM Function : %4.4x\n", + config->DramRomFn); + seq_printf(seq, "Network interface Pin 1 : %2.2x\n", + config->NetIntPin1); + seq_printf(seq, "Network interface Pin 2 : %2.2x\n", + config->NetIntPin1); + seq_printf(seq, "Network interface Pin 3 : %2.2x\n", + config->NetIntPin1); + seq_printf(seq, "PM capabilities : %4.4X\n", + config->PMECapab); + seq_printf(seq, "Network Clock Controls : %4.4X\n", + config->NwClkCtrls); + + switch (config->FruFormat) { + case ATK_FRU_FORMAT: + { + seq_printf(seq, + "Vendor : Alacritech, Inc.\n"); + seq_printf(seq, + "Assembly # : %c%c%c%c%c%c\n", + fru[0], fru[1], fru[2], fru[3], fru[4], + fru[5]); + seq_printf(seq, + "Revision # : %c%c\n", + fru[6], fru[7]); + + if (config->OEMFruFormat == VENDOR4_FRU_FORMAT) { + seq_printf(seq, + "Serial # : " + "%c%c%c%c%c%c%c%c%c%c%c%c\n", + fru[8], fru[9], fru[10], + fru[11], fru[12], fru[13], + fru[16], fru[17], fru[18], + fru[19], fru[20], fru[21]); + } else { + seq_printf(seq, + "Serial # : " + "%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n", + fru[8], fru[9], fru[10], + fru[11], fru[12], fru[13], + fru[14], fru[15], fru[16], + fru[17], fru[18], fru[19], + fru[20], fru[21]); + } + break; + } + + default: + { + seq_printf(seq, + "Vendor : Alacritech, Inc.\n"); + seq_printf(seq, + "Serial # : Empty FRU\n"); + break; + } + } + + switch (config->OEMFruFormat) { + case VENDOR1_FRU_FORMAT: + { + seq_printf(seq, "FRU Information:\n"); + seq_printf(seq, " Commodity # : %c\n", + oemfru[0]); + seq_printf(seq, + " Assembly # : %c%c%c%c\n", + oemfru[1], oemfru[2], oemfru[3], oemfru[4]); + seq_printf(seq, + " Revision # : %c%c\n", + oemfru[5], oemfru[6]); + seq_printf(seq, + " Supplier # : %c%c\n", + oemfru[7], oemfru[8]); + seq_printf(seq, + " Date : %c%c\n", + oemfru[9], oemfru[10]); + seq_sprintf(seq, + " Sequence # : %c%c%c\n", + oemfru[11], oemfru[12], oemfru[13]); + break; + } + + case VENDOR2_FRU_FORMAT: + { + seq_printf(seq, "FRU Information:\n"); + seq_printf(seq, + " Part # : " + "%c%c%c%c%c%c%c%c\n", + oemfru[0], oemfru[1], oemfru[2], + oemfru[3], oemfru[4], oemfru[5], + oemfru[6], oemfru[7]); + seq_printf(seq, + " Supplier # : %c%c%c%c%c\n", + oemfru[8], oemfru[9], oemfru[10], + oemfru[11], oemfru[12]); + seq_printf(seq, + " Date : %c%c%c\n", + oemfru[13], oemfru[14], oemfru[15]); + seq_sprintf(seq, + " Sequence # : %c%c%c%c\n", + oemfru[16], oemfru[17], oemfru[18], + oemfru[19]); + break; + } + + case VENDOR3_FRU_FORMAT: + { + seq_printf(seq, "FRU Information:\n"); + } + + case VENDOR4_FRU_FORMAT: + { + seq_printf(seq, "FRU Information:\n"); + seq_printf(seq, + " FRU Number : " + "%c%c%c%c%c%c%c%c\n", + oemfru[0], oemfru[1], oemfru[2], + oemfru[3], oemfru[4], oemfru[5], + oemfru[6], oemfru[7]); + seq_sprintf(seq, + " Part Number : " + "%c%c%c%c%c%c%c%c\n", + oemfru[8], oemfru[9], oemfru[10], + oemfru[11], oemfru[12], oemfru[13], + oemfru[14], oemfru[15]); + seq_printf(seq, + " EC Level : " + "%c%c%c%c%c%c%c%c\n", + oemfru[16], oemfru[17], oemfru[18], + oemfru[19], oemfru[20], oemfru[21], + oemfru[22], oemfru[23]); + break; + } + + default: + break; + } +#endif + + return 0; +} + +static int slic_debug_adapter_show(struct seq_file *seq, void *v) +{ + p_adapter_t adapter = seq->private; + + if ((adapter->netdev) && (adapter->netdev->name)) { + seq_printf(seq, "info: interface : %s\n", + adapter->netdev->name); + } + seq_printf(seq, "info: status : %s\n", + SLIC_LINKSTATE(adapter->linkstate)); + seq_printf(seq, "info: port : %d\n", + adapter->physport); + seq_printf(seq, "info: speed : %s\n", + SLIC_SPEED(adapter->linkspeed)); + seq_printf(seq, "info: duplex : %s\n", + SLIC_DUPLEX(adapter->linkduplex)); + seq_printf(seq, "info: irq : 0x%X\n", + (uint) adapter->irq); + seq_printf(seq, "info: Interrupt Agg Delay: %d usec\n", + adapter->card->loadlevel_current); + seq_printf(seq, "info: RcvQ max entries : %4.4X\n", + SLIC_RCVQ_ENTRIES); + seq_printf(seq, "info: RcvQ current : %4.4X\n", + adapter->rcvqueue.count); + seq_printf(seq, "rx stats: packets : %8.8lX\n", + adapter->stats.rx_packets); + seq_printf(seq, "rx stats: bytes : %8.8lX\n", + adapter->stats.rx_bytes); + seq_printf(seq, "rx stats: broadcasts : %8.8X\n", + adapter->rcv_broadcasts); + seq_printf(seq, "rx stats: multicasts : %8.8X\n", + adapter->rcv_multicasts); + seq_printf(seq, "rx stats: unicasts : %8.8X\n", + adapter->rcv_unicasts); + seq_printf(seq, "rx stats: errors : %8.8X\n", + (ulong32) adapter->slic_stats.iface.rcv_errors); + seq_printf(seq, "rx stats: Missed errors : %8.8X\n", + (ulong32) adapter->slic_stats.iface.rcv_discards); + seq_printf(seq, "rx stats: drops : %8.8X\n", + (ulong32) adapter->rcv_drops); + seq_printf(seq, "tx stats: packets : %8.8lX\n", + adapter->stats.tx_packets); + seq_printf(seq, "tx stats: bytes : %8.8lX\n", + adapter->stats.tx_bytes); + seq_printf(seq, "tx stats: errors : %8.8X\n", + (ulong32) adapter->slic_stats.iface.xmt_errors); + seq_printf(seq, "rx stats: multicasts : %8.8lX\n", + adapter->stats.multicast); + seq_printf(seq, "tx stats: collision errors : %8.8X\n", + (ulong32) adapter->slic_stats.iface.xmit_collisions); + seq_printf(seq, "perf: Max rcv frames/isr : %8.8X\n", + adapter->max_isr_rcvs); + seq_printf(seq, "perf: Rcv interrupt yields : %8.8X\n", + adapter->rcv_interrupt_yields); + seq_printf(seq, "perf: Max xmit complete/isr : %8.8X\n", + adapter->max_isr_xmits); + seq_printf(seq, "perf: error interrupts : %8.8X\n", + adapter->error_interrupts); + seq_printf(seq, "perf: error rmiss interrupts : %8.8X\n", + adapter->error_rmiss_interrupts); + seq_printf(seq, "perf: rcv interrupts : %8.8X\n", + adapter->rcv_interrupts); + seq_printf(seq, "perf: xmit interrupts : %8.8X\n", + adapter->xmit_interrupts); + seq_printf(seq, "perf: link event interrupts : %8.8X\n", + adapter->linkevent_interrupts); + seq_printf(seq, "perf: UPR interrupts : %8.8X\n", + adapter->upr_interrupts); + seq_printf(seq, "perf: interrupt count : %8.8X\n", + adapter->num_isrs); + seq_printf(seq, "perf: false interrupts : %8.8X\n", + adapter->false_interrupts); + seq_printf(seq, "perf: All register writes : %8.8X\n", + adapter->all_reg_writes); + seq_printf(seq, "perf: ICR register writes : %8.8X\n", + adapter->icr_reg_writes); + seq_printf(seq, "perf: ISR register writes : %8.8X\n", + adapter->isr_reg_writes); + seq_printf(seq, "ifevents: overflow 802 errors : %8.8X\n", + adapter->if_events.oflow802); + seq_printf(seq, "ifevents: transport overflow errors: %8.8X\n", + adapter->if_events.Tprtoflow); + seq_printf(seq, "ifevents: underflow errors : %8.8X\n", + adapter->if_events.uflow802); + seq_printf(seq, "ifevents: receive early : %8.8X\n", + adapter->if_events.rcvearly); + seq_printf(seq, "ifevents: buffer overflows : %8.8X\n", + adapter->if_events.Bufov); + seq_printf(seq, "ifevents: carrier errors : %8.8X\n", + adapter->if_events.Carre); + seq_printf(seq, "ifevents: Long : %8.8X\n", + adapter->if_events.Longe); + seq_printf(seq, "ifevents: invalid preambles : %8.8X\n", + adapter->if_events.Invp); + seq_printf(seq, "ifevents: CRC errors : %8.8X\n", + adapter->if_events.Crc); + seq_printf(seq, "ifevents: dribble nibbles : %8.8X\n", + adapter->if_events.Drbl); + seq_printf(seq, "ifevents: Code violations : %8.8X\n", + adapter->if_events.Code); + seq_printf(seq, "ifevents: TCP checksum errors : %8.8X\n", + adapter->if_events.TpCsum); + seq_printf(seq, "ifevents: TCP header short errors : %8.8X\n", + adapter->if_events.TpHlen); + seq_printf(seq, "ifevents: IP checksum errors : %8.8X\n", + adapter->if_events.IpCsum); + seq_printf(seq, "ifevents: IP frame incompletes : %8.8X\n", + adapter->if_events.IpLen); + seq_printf(seq, "ifevents: IP headers shorts : %8.8X\n", + adapter->if_events.IpHlen); + + return 0; +} +static int slic_debug_adapter_open(struct inode *inode, struct file *file) +{ + return single_open(file, slic_debug_adapter_show, inode->i_private); +} + +static int slic_debug_card_open(struct inode *inode, struct file *file) +{ + return single_open(file, slic_debug_card_show, inode->i_private); +} + +static const struct file_operations slic_debug_adapter_fops = { + .owner = THIS_MODULE, + .open = slic_debug_adapter_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations slic_debug_card_fops = { + .owner = THIS_MODULE, + .open = slic_debug_card_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void slic_debug_adapter_create(p_adapter_t adapter) +{ + struct dentry *d; + char name[7]; + p_sliccard_t card = adapter->card; + + if (!card->debugfs_dir) + return; + + sprintf(name, "port%d", adapter->port); + d = debugfs_create_file(name, S_IRUGO, + card->debugfs_dir, adapter, + &slic_debug_adapter_fops); + if (!d || IS_ERR(d)) + pr_info(PFX "%s: debugfs create failed\n", name); + else + adapter->debugfs_entry = d; +} + +static void slic_debug_adapter_destroy(p_adapter_t adapter) +{ + if (adapter->debugfs_entry) { + debugfs_remove(adapter->debugfs_entry); + adapter->debugfs_entry = NULL; + } +} + +static void slic_debug_card_create(p_sliccard_t card) +{ + struct dentry *d; + char name[IFNAMSIZ]; + + snprintf(name, sizeof(name), "slic%d", card->cardnum); + d = debugfs_create_dir(name, slic_debugfs); + if (!d || IS_ERR(d)) + pr_info(PFX "%s: debugfs create dir failed\n", + name); + else { + card->debugfs_dir = d; + d = debugfs_create_file("cardinfo", S_IRUGO, + slic_debugfs, card, + &slic_debug_card_fops); + if (!d || IS_ERR(d)) + pr_info(PFX "%s: debugfs create failed\n", + name); + else + card->debugfs_cardinfo = d; + } +} + +static void slic_debug_card_destroy(p_sliccard_t card) +{ + int i; + + for (i = 0; i < card->card_size; i++) { + p_adapter_t adapter; + + adapter = card->adapter[i]; + if (adapter) + slic_debug_adapter_destroy(adapter); + } + if (card->debugfs_cardinfo) { + debugfs_remove(card->debugfs_cardinfo); + card->debugfs_cardinfo = NULL; + } + if (card->debugfs_dir) { + debugfs_remove(card->debugfs_dir); + card->debugfs_dir = NULL; + } +} + +static void slic_debug_init(void) +{ + struct dentry *ent; + + ent = debugfs_create_dir("slic", NULL); + if (!ent || IS_ERR(ent)) { + pr_info(PFX "debugfs create directory failed\n"); + return; + } + + slic_debugfs = ent; +} + +static void slic_debug_cleanup(void) +{ + if (slic_debugfs) { + debugfs_remove(slic_debugfs); + slic_debugfs = NULL; + } +} + +/*============================================================================= + ============================================================================= + === === + === SLIC DUMP MANAGEMENT SECTION === + === === + === === + === Dump routines === + === === + === === + ============================================================================= + ============================================================================*/ + +#if SLIC_DUMP_ENABLED + +#include + +pvoid slic_dump_handle; /* thread handle */ + +/* + * These are the only things you should do on a core-file: use only these + * functions to write out all the necessary info. + */ +static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset) +{ + if (SLIChandle->f_pos != file_offset) { + /*DBG_MSG("slic_dump_seek now needed [%x : %x]\n", + (ulong32)SLIChandle->f_pos, (ulong32)file_offset); */ + if (SLIChandle->f_op->llseek) { + if (SLIChandle->f_op-> + llseek(SLIChandle, file_offset, 0) != file_offset) + return 0; + } else { + SLIChandle->f_pos = file_offset; + } + } + return 1; +} + +static int slic_dump_write(p_sliccard_t card, + const void *addr, int size, ulong32 file_offset) +{ + int r = 1; + ulong32 result = 0; + struct file *SLIChandle = card->dumphandle; + +#ifdef HISTORICAL /* legacy */ + down(&SLIChandle->f_dentry->d_inode->i_sem); +#endif + if (size) { + slic_dump_seek(SLIChandle, file_offset); + + result = + SLIChandle->f_op->write(SLIChandle, addr, size, + &SLIChandle->f_pos); + + r = result == size; + } + + card->dumptime_complete = jiffies; + card->dumptime_delta = card->dumptime_complete - card->dumptime_start; + card->dumptime_start = jiffies; + +#ifdef HISTORICAL + up(&SLIChandle->f_dentry->d_inode->i_sem); +#endif + if (!r) { + DBG_ERROR("%s: addr[%p] size[%x] result[%x] file_offset[%x]\n", + __func__, addr, size, result, file_offset); + } + return r; +} + +uint slic_init_dump_thread(p_sliccard_t card) +{ + card->dump_task_id = kthread_run(slic_dump_thread, (void *)card, 0); + +/* DBG_MSG("create slic_dump_thread dump_pid[%x]\n", card->dump_pid); */ + if (IS_ERR(card->dump_task_id)) { + DBG_MSG("create slic_dump_thread FAILED \n"); + return STATUS_FAILURE; + } + + return STATUS_SUCCESS; +} + +int slic_dump_thread(void *context) +{ + p_sliccard_t card = (p_sliccard_t) context; + p_adapter_t adapter; + p_adapter_t dump_adapter = NULL; + ulong32 dump_complete = 0; + ulong32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL); + p_slic_regs_t pregs; + ulong32 i; + p_slic_upr_t upr, uprnext; + ulong32 dump_card; + + ASSERT(card); + + card->dumpthread_running = 1; + +#ifdef HISTORICAL + lock_kernel(); + /* + * This thread doesn't need any user-level access, + * so get rid of all our resources + */ + exit_files(current); /* daemonize doesn't do exit_files */ + current->files = init_task.files; + atomic_inc(¤t->files->count); +#endif + + daemonize("%s", "slicmon"); + + /* Setup a nice name */ + strcpy(current->comm, "slicmon"); + DBG_ERROR + ("slic_dump_thread[slicmon] daemon is alive card[%p] pid[%x]\n", + card, card->dump_task_id->pid); + + /* + * Send me a signal to get me to die (for debugging) + */ + do { + /* + * If card state is not set to up, skip + */ + if (card->state != CARD_UP) { + if (card->adapters_activated) + goto wait; + else + goto end_thread; + } + /* + * Check the results of our last ping. + */ + dump_card = 0; +#ifdef SLIC_FAILURE_DUMP + if (card->pingstatus != ISR_PINGMASK) { + DBG_MSG + ("\n[slicmon] CARD #%d TIMED OUT - status " + "%x: DUMP THE CARD!\n", + card->cardnum, card->pingstatus); + dump_card = 1; + } +#else + /* + * Cause a card RESET instead? + */ + if (card->pingstatus != ISR_PINGMASK) { + /* todo. do we want to reset the card in production */ + /* DBG_MSG("\n[slicmon] CARD #%d TIMED OUT - " + status %x: RESET THE CARD!\n", card->cardnum, + card->pingstatus); */ + DBG_ERROR + ("\n[slicmon] CARD #%d TIMED OUT - status %x: " + "DUMP THE CARD!\n", + card->cardnum, card->pingstatus); + dump_card = 1; + } +#endif + if ((dump_card) + || (card->dump_requested == SLIC_DUMP_REQUESTED)) { + if (card->dump_requested == SLIC_DUMP_REQUESTED) { + DBG_ERROR + ("[slicmon]: Dump card Requested: Card %x\n", + card->cardnum); + } + if (card->pingstatus != ISR_PINGMASK) { + ushort cpuid = 0; + ushort crashpc = 0; + + if (card->adapter[0]) { + if ((card->adapter[0])->memorylength >= + CRASH_INFO_OFFSET + + sizeof(slic_crash_info)) { + char *crashptr; + p_slic_crash_info crashinfo; + + crashptr = + ((char *)card->adapter[0]-> + slic_regs) + + CRASH_INFO_OFFSET; + crashinfo = + (p_slic_crash_info) + crashptr; + cpuid = crashinfo->cpu_id; + crashpc = crashinfo->crash_pc; + } + } + DBG_ERROR + ("[slicmon]: Dump card: Card %x crashed " + "and failed to answer PING. " + "CPUID[%x] PC[%x]\n ", + card->cardnum, cpuid, crashpc); + } + + card->dump_requested = SLIC_DUMP_IN_PROGRESS; + + /* + * Set the card state to DOWN and the adapter states + * to RESET.They will check this in SimbaCheckForHang + * and initiate interface reset (which in turn will + * reinitialize the card). + */ + card->state = CARD_DOWN; + + for (i = 0; i < card->card_size; i++) { + adapter = card->adapter[i]; + if (adapter) { + slic_if_stop_queue(adapter); + + if (adapter->state == ADAPT_UP) { + adapter->state = ADAPT_RESET; + adapter->linkstate = LINK_DOWN; + DBG_ERROR + ("[slicmon]: SLIC Card[%d] " + "Port[%d] adapter[%p] " + "down\n", + (uint) card->cardnum, + (uint) i, adapter); + } +#if SLIC_GET_STATS_TIMER_ENABLED + /* free stats timer */ + if (adapter->statstimerset) { + adapter->statstimerset = 0; + del_timer(&adapter->statstimer); + } +#endif + } + } + + for (i = 0; i < card->card_size; i++) { + adapter = card->adapter[i]; + if ((adapter) && (adapter->activated)) { + pregs = adapter->slic_regs; + dump_adapter = adapter; + + /* + * If the dump status is zero, then + * the utility processor has crashed. + * If this is the case, any pending + * utilityprocessor requests will not + * complete and our dump commands will + * not be issued. + * + * To avoid this we will clear any + * pending utility processor requests + * now. + */ + if (!card->pingstatus) { + SLIC_ACQUIRE_IRQ_SPINLOCK + (adapter->upr_lock); + upr = adapter->upr_list; + while (upr) { + uprnext = upr->next; + SLIC_DEALLOCATE_MEM + (upr); + upr = uprnext; + } + adapter->upr_list = 0; + adapter->upr_busy = 0; + SLIC_RELEASE_IRQ_SPINLOCK + (adapter->upr_lock); + } + + slic_dump_card(card, FALSE); + dump_complete = 1; + } + + if (dump_complete) { + DBG_ERROR("SLIC Dump Complete\n"); + /* Only dump the card one time */ + break; + } + } + + if (dump_adapter) { + DBG_ERROR + ("slic dump completed. " + "Reenable interfaces\n"); + slic_card_init(card, dump_adapter); + + /* + * Reenable the adapters that were reset + */ + for (i = 0; i < card->card_size; i++) { + adapter = card->adapter[i]; + if (adapter) { + if (adapter->state == + ADAPT_RESET) { + DBG_ERROR + ("slicdump: SLIC " + "Card[%d] Port[%d] adapter[%p] " + "bring UP\n", + (uint) card-> + cardnum, (uint) i, + adapter); + adapter->state = + ADAPT_DOWN; + adapter->linkstate = + LINK_DOWN; + slic_entry_open + (adapter->netdev); + } + } + } + + card->dump_requested = SLIC_DUMP_DONE; + } + } else { + /* if pingstatus != ISR_PINGMASK) || dump_requested...ELSE + * We received a valid ping response. + * Clear the Pingstatus field, find a valid adapter + * structure and send another ping. + */ + for (i = 0; i < card->card_size; i++) { + adapter = card->adapter[i]; + if (adapter && (adapter->state == ADAPT_UP)) { + card->pingstatus = 0; + slic_upr_request(adapter, SLIC_UPR_PING, + 0, 0, 0, 0); + break; /* Only issue one per card */ + } + } + } +wait: + SLIC_INTERRUPTIBLE_SLEEP_ON_TIMEOUT(card->dump_wq, delay); + } while (!signal_pending(current)); + +end_thread: +/* DBG_MSG("[slicmon] slic_dump_thread card[%p] pid[%x] ENDING\n", + card, card->dump_pid); */ + card->dumpthread_running = 0; + + return 0; +} + +/* + * Read a single byte from our dump index file. This + * value is used as our suffix for our dump path. The + * value is incremented and written back to the file + */ +uchar slic_get_dump_index(pchar path) +{ + uchar index = 0; +#ifdef SLIC_DUMP_INDEX_SUPPORT + ulong32 status; + pvoid FileHandle; + ulong32 offset; + + offset = 0; + + /* + * Open the index file. If one doesn't exist, create it + */ + status = create_file(&FileHandle); + + if (status != STATUS_SUCCESS) + return (uchar) 0; + + status = read_file(FileHandle, &index, 1, &offset); + + index++; + + status = write_file(FileHandle, &index, 1, &offset); + + close_file(FileHandle); +#else + index = 0; +#endif + return index; +} + +struct file *slic_dump_open_file(p_sliccard_t card) +{ + struct file *SLIChandle = NULL; + struct dentry *dentry = NULL; + struct inode *inode = NULL; + char SLICfile[50]; + + card->dumpfile_fs = get_fs(); + + set_fs(KERNEL_DS); + + memset(SLICfile, 0, sizeof(SLICfile)); + sprintf(SLICfile, "/var/tmp/slic%d-dump-%d", card->cardnum, + (uint) card->dump_count); + card->dump_count++; + + SLIChandle = + filp_open(SLICfile, O_CREAT | O_RDWR | O_SYNC | O_LARGEFILE, 0666); + + DBG_MSG("[slicmon]: Dump Card #%d to file: %s \n", card->cardnum, + SLICfile); + +/* DBG_MSG("[slicmon] filp_open %s SLIChandle[%p]\n", SLICfile, SLIChandle);*/ + + if (IS_ERR(SLIChandle)) + goto end_slicdump; + + dentry = SLIChandle->f_dentry; + inode = dentry->d_inode; + +/* DBG_MSG("[slicmon] inode[%p] i_nlink[%x] i_mode[%x] i_op[%p] i_fop[%p]\n" + "f_op->write[%p]\n", + inode, inode->i_nlink, inode->i_mode, inode->i_op, + inode->i_fop, SLIChandle->f_op->write); */ + if (inode->i_nlink > 1) + goto close_slicdump; /* multiple links - don't dump */ +#ifdef HISTORICAL + if (!S_ISREG(inode->i_mode)) + goto close_slicdump; +#endif + if (!inode->i_op || !inode->i_fop) + goto close_slicdump; + + if (!SLIChandle->f_op->write) + goto close_slicdump; + + /* + * If we got here we have SUCCESSFULLY OPENED the dump file + */ +/* DBG_MSG("opened %s SLIChandle[%p]\n", SLICfile, SLIChandle); */ + return SLIChandle; + +close_slicdump: + DBG_MSG("[slicmon] slic_dump_open_file failed close SLIChandle[%p]\n", + SLIChandle); + filp_close(SLIChandle, NULL); + +end_slicdump: + set_fs(card->dumpfile_fs); + + return NULL; +} + +void slic_dump_close_file(p_sliccard_t card) +{ + +/* DBG_MSG("[slicmon] slic_dump_CLOSE_file close SLIChandle[%p]\n", + card->dumphandle); */ + + filp_close(card->dumphandle, NULL); + + set_fs(card->dumpfile_fs); +} + +ulong32 slic_dump_card(p_sliccard_t card, boolean resume) +{ + p_adapter_t adapter = card->master; + ulong32 status; + ulong32 queue; + ulong32 len, offset; + ulong32 sram_size, dram_size, regs; + sliccore_hdr_t corehdr; + ulong32 file_offset; + pchar namestr; + ulong32 i; + ulong32 max_queues = 0; + ulong32 result; + + card->dumphandle = slic_dump_open_file(card); + + if (card->dumphandle == NULL) { + DBG_MSG("[slicmon] Cant create Dump file - dump failed\n"); + return -ENOMEM; + } + if (!card->dumpbuffer) { + DBG_MSG("[slicmon] Insufficient memory for dump\n"); + return -ENOMEM; + } + if (!card->cmdbuffer) { + DBG_MSG("[slicmon] Insufficient cmd memory for dump\n"); + return -ENOMEM; + } + + /* + * Write the file version to the core header. + */ + namestr = slic_proc_version; + for (i = 0; i < (DRIVER_NAME_SIZE - 1); i++, namestr++) { + if (!namestr) + break; + corehdr.driver_version[i] = *namestr; + } + corehdr.driver_version[i] = 0; + + file_offset = sizeof(sliccore_hdr_t); + + /* + * Issue the following debug commands to the SLIC: + * - Halt both receive and transmit + * - Dump receive registers + * - Dump transmit registers + * - Dump sram + * - Dump dram + * - Dump queues + */ + DBG_MSG("slicDump HALT Receive Processor\n"); + card->dumptime_start = jiffies; + + status = slic_dump_halt(card, PROC_RECEIVE); + if (status != STATUS_SUCCESS) { + DBG_ERROR + ("Cant halt receive sequencer - dump failed status[%x]\n", + status); + goto done; + } + + DBG_MSG("slicDump HALT Transmit Processor\n"); + status = slic_dump_halt(card, PROC_TRANSMIT); + if (status != STATUS_SUCCESS) { + DBG_ERROR("Cant halt transmit sequencer - dump failed\n"); + goto done; + } + + /* Dump receive regs */ + status = slic_dump_reg(card, PROC_RECEIVE); + if (status != STATUS_SUCCESS) { + DBG_ERROR("Cant dump receive registers - dump failed\n"); + goto done; + } + + DBG_MSG("slicDump Write Receive REGS len[%x] offset[%x]\n", + (SLIC_NUM_REG * 4), file_offset); + + result = + slic_dump_write(card, card->dumpbuffer, SLIC_NUM_REG * 4, + file_offset); + if (!result) { + DBG_ERROR + ("Cant write rcv registers to dump file - dump failed\n"); + goto done; + } + + corehdr.RcvRegOff = file_offset; + corehdr.RcvRegsize = SLIC_NUM_REG * 4; + file_offset += SLIC_NUM_REG * 4; + + /* Dump transmit regs */ + status = slic_dump_reg(card, PROC_TRANSMIT); + if (status != STATUS_SUCCESS) { + DBG_ERROR("Cant dump transmit registers - dump failed\n"); + goto done; + } + + DBG_MSG("slicDump Write XMIT REGS len[%x] offset[%x]\n", + (SLIC_NUM_REG * 4), file_offset); + + result = + slic_dump_write(card, card->dumpbuffer, SLIC_NUM_REG * 4, + file_offset); + if (!result) { + DBG_ERROR + ("Cant write xmt registers to dump file - dump failed\n"); + goto done; + } + + corehdr.XmtRegOff = file_offset; + corehdr.XmtRegsize = SLIC_NUM_REG * 4; + file_offset += SLIC_NUM_REG * 4; + + regs = SLIC_GBMAX_REG; + + corehdr.FileRegOff = file_offset; + corehdr.FileRegsize = regs * 4; + + for (offset = 0; regs;) { + len = MIN(regs, 16); /* Can only xfr 16 regs at a time */ + + status = slic_dump_data(card, offset, (ushort) len, DESC_RFILE); + + if (status != STATUS_SUCCESS) { + DBG_ERROR("Cant dump register file - dump failed\n"); + goto done; + } + + DBG_MSG("slicDump Write RegisterFile len[%x] offset[%x]\n", + (len * 4), file_offset); + + result = + slic_dump_write(card, card->dumpbuffer, len * 4, + file_offset); + if (!result) { + DBG_ERROR + ("Cant write register file to dump file - " + "dump failed\n"); + goto done; + } + + file_offset += len * 4; + offset += len; + regs -= len; + } + + dram_size = card->config.DramSize * 0x10000; + + switch (adapter->devid) { + case SLIC_2GB_DEVICE_ID: + sram_size = SLIC_SRAM_SIZE2GB; + break; + case SLIC_1GB_DEVICE_ID: + sram_size = SLIC_SRAM_SIZE1GB; + break; + default: + sram_size = 0; + ASSERT(0); + break; + } + + corehdr.SramOff = file_offset; + corehdr.Sramsize = sram_size; + + for (offset = 0; sram_size;) { + len = MIN(sram_size, DUMP_BUF_SIZE); + status = slic_dump_data(card, offset, (ushort) len, DESC_SRAM); + if (status != STATUS_SUCCESS) { + DBG_ERROR + ("[slicmon] Cant dump SRAM at offset %x - " + "dump failed\n", (uint) offset); + goto done; + } + + DBG_MSG("[slicmon] slicDump Write SRAM len[%x] offset[%x]\n", + len, file_offset); + + result = + slic_dump_write(card, card->dumpbuffer, len, file_offset); + if (!result) { + DBG_ERROR + ("[slicmon] Cant write SRAM to dump file - " + "dump failed\n"); + goto done; + } + + file_offset += len; + offset += len; + sram_size -= len; + } + + corehdr.DramOff = file_offset; + corehdr.Dramsize = dram_size; + + for (offset = 0; dram_size;) { + len = MIN(dram_size, DUMP_BUF_SIZE); + + status = slic_dump_data(card, offset, (ushort) len, DESC_DRAM); + if (status != STATUS_SUCCESS) { + DBG_ERROR + ("[slicmon] Cant dump dram at offset %x - " + "dump failed\n", (uint) offset); + goto done; + } + + DBG_MSG("slicDump Write DRAM len[%x] offset[%x]\n", len, + file_offset); + + result = + slic_dump_write(card, card->dumpbuffer, len, file_offset); + if (!result) { + DBG_ERROR + ("[slicmon] Cant write DRAM to dump file - " + "dump failed\n"); + goto done; + } + + file_offset += len; + offset += len; + dram_size -= len; + } + + max_queues = SLIC_MAX_QUEUE; + + for (queue = 0; queue < max_queues; queue++) { + pulong32 qarray = (pulong32) card->dumpbuffer; + ulong32 qarray_physl = card->dumpbuffer_physl; + ulong32 qarray_physh = card->dumpbuffer_physh; + ulong32 qstart; + ulong32 qdelta; + ulong32 qtotal = 0; + + DBG_MSG("[slicmon] Start Dump of QUEUE #0x%x\n", (uint) queue); + + for (offset = 0; offset < (DUMP_BUF_SIZE >> 2); offset++) { + qstart = jiffies; + qdelta = 0; + + status = slic_dump_queue(card, + qarray_physl, + qarray_physh, queue); + qarray_physl += 4; + + if (status != STATUS_SUCCESS) + break; + + if (jiffies > qstart) { + qdelta = jiffies - qstart; + qtotal += qdelta; + } + } + + if (offset) + qdelta = qtotal / offset; + else + qdelta = 0; + +/* DBG_MSG(" slicDump Write QUEUE #0x%x len[%x] offset[%x] " + "avgjiffs[%x]\n", queue, (offset*4), file_offset, qdelta); */ + + result = + slic_dump_write(card, card->dumpbuffer, offset * 4, + file_offset); + + if (!result) { + DBG_ERROR + ("[slicmon] Cant write QUEUES to dump file - " + "dump failed\n"); + goto done; + } + + corehdr.queues[queue].queueOff = file_offset; + corehdr.queues[queue].queuesize = offset * 4; + file_offset += offset * 4; + +/* DBG_MSG(" Reload QUEUE #0x%x elements[%x]\n", (uint)queue, offset);*/ + /* + * Fill the queue back up + */ + for (i = 0; i < offset; i++) { + qstart = jiffies; + qdelta = 0; + + status = slic_dump_load_queue(card, qarray[i], queue); + if (status != STATUS_SUCCESS) + break; + + if (jiffies > qstart) { + qdelta = jiffies - qstart; + qtotal += qdelta; + } + } + + if (offset) + qdelta = qtotal / offset; + else + qdelta = 0; + +/* DBG_MSG(" Reload DONE avgjiffs[%x]\n", qdelta); */ + + resume = 1; + } + + len = SLIC_GB_CAMAB_SZE * 4; + status = slic_dump_cam(card, 0, len, DUMP_CAM_A); + if (status != STATUS_SUCCESS) { + DBG_ERROR("[slicmon] Can't dump CAM_A - dump failed\n"); + goto done; + } + + result = slic_dump_write(card, card->dumpbuffer, len, file_offset); + if (result) { + DBG_ERROR + ("[slicmon] Can't write CAM_A data to dump file - " + "dump failed\n"); + goto done; + } + corehdr.CamAMOff = file_offset; + corehdr.CamASize = len; + file_offset += len; + + len = SLIC_GB_CAMCD_SZE * 4; + status = slic_dump_cam(card, 0, len, DUMP_CAM_C); + if (status) { + DBG_ERROR("[slicmon] Can't dump CAM_C - dump failed\n"); + goto done; + } + + result = slic_dump_write(card, card->dumpbuffer, len, file_offset); + if (result) { + DBG_ERROR + ("[slicmon] Can't write CAM_C data to dump file - " + "dump failed\n"); + goto done; + } + corehdr.CamCMOff = file_offset; + corehdr.CamCSize = len; + file_offset += len; + +done: + /* + * Write out the core header + */ + file_offset = 0; + DBG_MSG("[slicmon] Write CoreHeader len[%x] offset[%x]\n", + (uint) sizeof(sliccore_hdr_t), file_offset); + + result = + slic_dump_write(card, &corehdr, sizeof(sliccore_hdr_t), + file_offset); + DBG_MSG("[slicmon] corehdr xoff[%x] xsz[%x]\n" + " roff[%x] rsz[%x] fileoff[%x] filesz[%x]\n" + " sramoff[%x] sramsz[%x], dramoff[%x] dramsz[%x]\n" + " corehdr_offset[%x]\n", corehdr.XmtRegOff, + corehdr.XmtRegsize, corehdr.RcvRegOff, corehdr.RcvRegsize, + corehdr.FileRegOff, corehdr.FileRegsize, corehdr.SramOff, + corehdr.Sramsize, corehdr.DramOff, corehdr.Dramsize, + (uint) sizeof(sliccore_hdr_t)); + for (i = 0; i < max_queues; i++) { + DBG_MSG("[slicmon] QUEUE 0x%x offset[%x] size[%x]\n", + (uint) i, corehdr.queues[i].queueOff, + corehdr.queues[i].queuesize); + + } + + slic_dump_close_file(card); + + if (resume) { + DBG_MSG("slicDump RESTART RECEIVE and XMIT PROCESSORS\n\n"); + slic_dump_resume(card, PROC_RECEIVE); + slic_dump_resume(card, PROC_TRANSMIT); + } + + return status; +} + +ulong32 slic_dump_halt(p_sliccard_t card, uchar proc) +{ + puchar cmd = card->cmdbuffer; + + *cmd = COMMAND_BYTE(CMD_HALT, 0, proc); + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, 0, 0); +} + +ulong32 slic_dump_resume(p_sliccard_t card, uchar proc) +{ + puchar cmd = card->cmdbuffer; + + *cmd = COMMAND_BYTE(CMD_RUN, 0, proc); + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, 0, 0); +} + +ulong32 slic_dump_reg(p_sliccard_t card, uchar proc) +{ + pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + + dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, proc); + dump->desc = DESC_REG; + dump->count = 0; + dump->addr = 0; + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, + card->dumpbuffer_physl, + card->dumpbuffer_physh); +} + +ulong32 slic_dump_data(p_sliccard_t card, + ulong32 addr, ushort count, uchar desc) +{ + pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + + dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE); + dump->desc = desc; + dump->count = count; + dump->addr = addr; + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, + card->dumpbuffer_physl, + card->dumpbuffer_physh); +} + +ulong32 slic_dump_queue(p_sliccard_t card, + ulong32 addr, ulong32 buf_physh, ulong32 queue) +{ + pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + + dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE); + dump->desc = DESC_QUEUE; + dump->count = 1; + dump->addr = queue; + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, + addr, card->dumpbuffer_physh); +} + +ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue) +{ + pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer; + + load->cmd = COMMAND_BYTE(CMD_LOAD, 0, PROC_RECEIVE); + load->desc = DESC_QUEUE; + load->count = (ushort) queue; + load->addr = data; + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, 0, 0); +} + +ulong32 slic_dump_cam(p_sliccard_t card, + ulong32 addr, ulong32 count, uchar desc) +{ + pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + + dump->cmd = COMMAND_BYTE(CMD_CAM_OPS, 0, PROC_NONE); + dump->desc = desc; + dump->count = count; + dump->addr = 0; + + return slic_dump_send_cmd(card, + card->cmdbuffer_physl, + card->cmdbuffer_physh, + addr, card->dumpbuffer_physh); +} + +ulong32 slic_dump_send_cmd(p_sliccard_t card, + ulong32 cmd_physl, + ulong32 cmd_physh, + ulong32 buf_physl, ulong32 buf_physh) +{ + ulong timeout = SLIC_MS_TO_JIFFIES(500); /* 500 msec */ + ulong32 attempts = 5; + ulong32 delay = SLIC_MS_TO_JIFFIES(10); /* 10 msec */ + p_adapter_t adapter = card->master; + + ASSERT(adapter); + do { + /* + * Zero the Dumpstatus field of the adapter structure + */ + card->dumpstatus = 0; + /* + * Issue the dump command via a utility processor request. + * + * Kludge: We use the Informationbuffer parameter to hold + * the buffer address + */ + slic_upr_request(adapter, SLIC_UPR_DUMP, cmd_physl, cmd_physh, + buf_physl, buf_physh); + + timeout += jiffies; + /* + * Spin until completion or timeout. + */ + while (!card->dumpstatus) { + int num_sleeps = 0; + + if (jiffies > timeout) { + /* + * Complete the timed-out DUMP UPR request. + */ + slic_upr_request_complete(adapter, 0); + DBG_ERROR + ("%s: TIMED OUT num_sleeps[%x] " + "status[%x]\n", + __func__, num_sleeps, STATUS_FAILURE); + + return STATUS_FAILURE; + } + num_sleeps++; + SLIC_INTERRUPTIBLE_SLEEP_ON_TIMEOUT(card->dump_wq, + delay); + } + + if (card->dumpstatus & ISR_UPCERR) { + /* + * Error (or queue empty) + */ +/* DBG_ERROR("[slicmon] %s: DUMP_STATUS & ISR_UPCERR status[%x]\n", + __func__, STATUS_FAILURE); */ + + return STATUS_FAILURE; + } else if (card->dumpstatus & ISR_UPCBSY) { + /* + * Retry + */ + DBG_ERROR("%s: ISR_UPCBUSY attempt[%x]\n", __func__, + attempts); + + attempts--; + } else { + /* + * success + */ + return STATUS_SUCCESS; + } + + } while (attempts); + + DBG_ERROR("%s: GAVE UP AFTER SEVERAL ATTEMPTS status[%x]\n", + __func__, STATUS_FAILURE); + + /* + * Gave up after several attempts + */ + return STATUS_FAILURE; +} + +#endif +/*============================================================================= + ============================================================================= + === === + === *** END **** END **** END **** END *** === + === SLIC DUMP MANAGEMENT SECTION === + === === + === === + === === + ============================================================================= + ============================================================================*/ + +/******************************************************************************/ +/**************** MODULE INITIATION / TERMINATION FUNCTIONS ***************/ +/******************************************************************************/ + +static struct pci_driver slic_driver = { + .name = DRV_NAME, + .id_table = slic_pci_tbl, + .probe = slic_entry_probe, + .remove = slic_entry_remove, +#if SLIC_POWER_MANAGEMENT_ENABLED + .suspend = slicpm_suspend, + .resume = slicpm_resume, +#endif +/* .shutdown = slic_shutdown, MOOK_INVESTIGATE */ +}; + +static int __init slic_module_init(void) +{ + struct pci_device_id *pcidev; + int ret; + +/* DBG_MSG("slicoss: %s ENTER cpu %d\n", __func__, smp_processor_id()); */ + + slic_init_driver(); + + if (debug >= 0 && slic_debug != debug) + printk(SLICLEVEL "slicoss: debug level is %d.\n", debug); + if (debug >= 0) + slic_debug = debug; + + pcidev = (struct pci_device_id *)slic_driver.id_table; +/* DBG_MSG("slicoss: %s call pci_module_init jiffies[%lx] cpu #%d\n", + __func__, jiffies, smp_processor_id()); */ + + ret = pci_register_driver(&slic_driver); + +/* DBG_MSG("slicoss: %s EXIT after call pci_module_init jiffies[%lx] " + "cpu #%d status[%x]\n",__func__, jiffies, + smp_processor_id(), ret); */ + + return ret; +} + +static void __exit slic_module_cleanup(void) +{ +/* DBG_MSG("slicoss: %s ENTER\n", __func__); */ + pci_unregister_driver(&slic_driver); + slic_debug_cleanup(); +/* DBG_MSG("slicoss: %s EXIT\n", __func__); */ +} + +module_init(slic_module_init); +module_exit(slic_module_cleanup); -- GitLab From 5db6b777f68603bf5a9eab891d83413ad894a074 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 21 Aug 2008 14:04:55 -0700 Subject: [PATCH 3632/6244] Staging: add sxg network driver This is the first rough cut at a driver for the Alacritech SLIC Technology Non-Accelerated 10Gbe network driver TODO: - lindent the code - remove typedefs - remove wrappers - checkpatch.pl cleanups - new functionality that the card needs Cc: Christopher Harrer Cc: Michael Miles Cc: Christopher Harrer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/sxg/Kconfig | 10 + drivers/staging/sxg/Makefile | 1 + drivers/staging/sxg/README | 13 + drivers/staging/sxg/saharadbgdownload.h | 4854 +++++++++++++++++++++++ drivers/staging/sxg/sxg.c | 3608 +++++++++++++++++ drivers/staging/sxg/sxg.h | 773 ++++ drivers/staging/sxg/sxg_os.h | 154 + drivers/staging/sxg/sxgdbg.h | 190 + drivers/staging/sxg/sxghif.h | 861 ++++ drivers/staging/sxg/sxghw.h | 734 ++++ drivers/staging/sxg/sxgphycode.h | 349 ++ 13 files changed, 11550 insertions(+) create mode 100644 drivers/staging/sxg/Kconfig create mode 100644 drivers/staging/sxg/Makefile create mode 100644 drivers/staging/sxg/README create mode 100644 drivers/staging/sxg/saharadbgdownload.h create mode 100644 drivers/staging/sxg/sxg.c create mode 100644 drivers/staging/sxg/sxg.h create mode 100644 drivers/staging/sxg/sxg_os.h create mode 100644 drivers/staging/sxg/sxgdbg.h create mode 100644 drivers/staging/sxg/sxghif.h create mode 100644 drivers/staging/sxg/sxghw.h create mode 100644 drivers/staging/sxg/sxgphycode.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index e18aecc6daf3..6da76622191c 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -27,4 +27,6 @@ source "drivers/staging/et131x/Kconfig" source "drivers/staging/slicoss/Kconfig" +source "drivers/staging/sxg/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index e5e4a0ee77a6..cd6d6a52751a 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_ET131X) += et131x/ obj-$(CONFIG_SLICOSS) += slicoss/ +obj-$(CONFIG_SXG) += sxg/ diff --git a/drivers/staging/sxg/Kconfig b/drivers/staging/sxg/Kconfig new file mode 100644 index 000000000000..1ae350806600 --- /dev/null +++ b/drivers/staging/sxg/Kconfig @@ -0,0 +1,10 @@ +config SXG + tristate "Alacritech SLIC Technology Non-Accelerated 10Gbe support" + depends on PCI && NETDEV_10000 + default n + help + This driver supports the Alacritech SLIC Technology Non-Accelerated + 10Gbe network cards. + + To compile this driver as a module, choose + M here: the module will be called sxg. diff --git a/drivers/staging/sxg/Makefile b/drivers/staging/sxg/Makefile new file mode 100644 index 000000000000..ec48faa7b3e3 --- /dev/null +++ b/drivers/staging/sxg/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_SXG) += sxg.o diff --git a/drivers/staging/sxg/README b/drivers/staging/sxg/README new file mode 100644 index 000000000000..4d1ddbe4c335 --- /dev/null +++ b/drivers/staging/sxg/README @@ -0,0 +1,13 @@ +This is the rough cut at a driver for the Alacritech SLIC Technology +Non-Accelerated 10Gbe network driver. + +TODO: + - lindent the code + - remove typedefs + - remove wrappers + - checkpatch.pl cleanups + - new functionality that the card needs + +Please send patches to: + Greg Kroah-Hartman +for any cleanups that you do to this driver. diff --git a/drivers/staging/sxg/saharadbgdownload.h b/drivers/staging/sxg/saharadbgdownload.h new file mode 100644 index 000000000000..d8865ba05047 --- /dev/null +++ b/drivers/staging/sxg/saharadbgdownload.h @@ -0,0 +1,4854 @@ +#define SAHARA_UCODE_VERS_STRING "$Revision: 1.1 $" +#define SAHARA_UCODE_VERS_DATE "$Date: 2008/06/27 12:58:27 $" +#define SAHARA_UCODE_HOSTIF_ID 3 + +static u32 SNumSections = 0x2; +static u32 SSectionSize[] = +{ + 0x0000e274, 0x0000000c, +}; + +static u32 SSectionStart[] = +{ + 0x00000000, 0x00001fff, +}; + +static unsigned char SaharaUCode[2][57972] = +{ +{ + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x82, 0x4d, 0x29, 0x3a, + 0x00, 0x00, 0xb2, 0x03, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0x09, 0x00, 0x00, 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0x32, + 0x00, 0x00, 0x00, 0x00, 0x12, 0x01, 0x00, 0x48, 0xf2, 0xc1, 0x38, 0x54, + 0x00, 0x00, 0xdc, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, + 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, +}, +{ + 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90, +}, +}; diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c new file mode 100644 index 000000000000..a91c9f397270 --- /dev/null +++ b/drivers/staging/sxg/sxg.c @@ -0,0 +1,3608 @@ +/************************************************************************** + * + * Copyright (C) 2000-2008 Alacritech, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: sxg.c + * + * The SXG driver for Alacritech's 10Gbe products. + * + * NOTE: This is the standard, non-accelerated version of Alacritech's + * IS-NIC driver. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define SLIC_DUMP_ENABLED 0 +#define SLIC_GET_STATS_ENABLED 0 +#define LINUX_FREES_ADAPTER_RESOURCES 1 +#define SXG_OFFLOAD_IP_CHECKSUM 0 +#define SXG_POWER_MANAGEMENT_ENABLED 0 +#define VPCI 0 +#define DBG 1 +#define ATK_DEBUG 1 + +#include "sxg_os.h" +#include "sxghw.h" +#include "sxghif.h" +#include "sxg.h" +#include "sxgdbg.h" + +#include "sxgphycode.h" +#include "saharadbgdownload.h" + +static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size, SXG_BUFFER_TYPE BufferType); +static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void * RcvBlock, dma_addr_t PhysicalAddress, u32 Length); +static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, PSXG_SCATTER_GATHER SxgSgl, dma_addr_t PhysicalAddress, u32 Length); + +static void sxg_mcast_init_crc32(void); + +static int sxg_entry_open(p_net_device dev); +static int sxg_entry_halt(p_net_device dev); +static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd); +static int sxg_send_packets(struct sk_buff *skb, p_net_device dev); +static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb); +static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl); + +static void sxg_handle_interrupt(p_adapter_t adapter); +static int sxg_process_isr(p_adapter_t adapter, u32 MessageId); +static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId); +static void sxg_complete_slow_send(p_adapter_t adapter); +static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event); +static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus); +static bool sxg_mac_filter(p_adapter_t adapter, + p_ether_header EtherHdr, ushort length); + +#if SLIC_GET_STATS_ENABLED +static struct net_device_stats *sxg_get_stats(p_net_device dev); +#endif + +static int sxg_mac_set_address(p_net_device dev, void * ptr); + +static void sxg_adapter_set_hwaddr(p_adapter_t adapter); + +static void sxg_unmap_mmio_space(p_adapter_t adapter); +static void sxg_mcast_set_mask(p_adapter_t adapter); + +static int sxg_initialize_adapter(p_adapter_t adapter); +static void sxg_stock_rcv_buffers(p_adapter_t adapter); +static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index); +static int sxg_initialize_link(p_adapter_t adapter); +static int sxg_phy_init(p_adapter_t adapter); +static void sxg_link_event(p_adapter_t adapter); +static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter); +static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState); +static int sxg_write_mdio_reg(p_adapter_t adapter, + u32 DevAddr, u32 RegAddr, u32 Value); +static int sxg_read_mdio_reg(p_adapter_t adapter, + u32 DevAddr, u32 RegAddr, u32 * pValue); +static void sxg_mcast_set_list(p_net_device dev); + + + +#define XXXTODO 0 + +static unsigned int sxg_first_init = 1; +static char *sxg_banner = + "Alacritech SLIC Technology(tm) Server and Storage 10Gbe Accelerator (Non-Accelerated)\n"; + +static int sxg_debug = 1; +static int debug = -1; +static p_net_device head_netdevice = NULL; + +static sxgbase_driver_t sxg_global = { + .dynamic_intagg = 1, +}; +static int intagg_delay = 100; +static u32 dynamic_intagg = 0; + +#define DRV_NAME "sxg" +#define DRV_VERSION "1.0.1" +#define DRV_AUTHOR "Alacritech, Inc. Engineering" +#define DRV_DESCRIPTION "Alacritech SLIC Techonology(tm) Non-Accelerated 10Gbe Driver" +#define DRV_COPYRIGHT "Copyright 2000-2008 Alacritech, Inc. All rights reserved." + +MODULE_AUTHOR(DRV_AUTHOR); +MODULE_DESCRIPTION(DRV_DESCRIPTION); +MODULE_LICENSE("GPL"); + +module_param(dynamic_intagg, int, 0); +MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting"); +module_param(intagg_delay, int, 0); +MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay"); + +static struct pci_device_id sxg_pci_tbl[] __devinitdata = { + {PCI_DEVICE(SXG_VENDOR_ID, SXG_DEVICE_ID)}, + {0,} +}; +MODULE_DEVICE_TABLE(pci, sxg_pci_tbl); + +/*********************************************************************** +************************************************************************ +************************************************************************ +************************************************************************ +************************************************************************/ + +static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush) +{ + writel(value, reg); + if (flush) + mb(); +} + +static inline void sxg_reg64_write(p_adapter_t adapter, void __iomem *reg, + u64 value, u32 cpu) +{ + u32 value_high = (u32) (value >> 32); + u32 value_low = (u32) (value & 0x00000000FFFFFFFF); + unsigned long flags; + + spin_lock_irqsave(&adapter->Bit64RegLock, flags); + writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper)); + writel(value_low, reg); + spin_unlock_irqrestore(&adapter->Bit64RegLock, flags); +} + +static void sxg_init_driver(void) +{ + if (sxg_first_init) { + DBG_ERROR("sxg: %s sxg_first_init set jiffies[%lx]\n", + __FUNCTION__, jiffies); + sxg_first_init = 0; + spin_lock_init(&sxg_global.driver_lock); + } +} + +static void sxg_dbg_macaddrs(p_adapter_t adapter) +{ + DBG_ERROR(" (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + DBG_ERROR(" (%s) mac %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + adapter->netdev->name, adapter->macaddr[0], + adapter->macaddr[1], adapter->macaddr[2], + adapter->macaddr[3], adapter->macaddr[4], + adapter->macaddr[5]); + return; +} + +// SXG Globals +static SXG_DRIVER SxgDriver; + +#ifdef ATKDBG +static sxg_trace_buffer_t LSxgTraceBuffer; +#endif /* ATKDBG */ +static sxg_trace_buffer_t *SxgTraceBuffer = NULL; + +/* + * sxg_download_microcode + * + * Download Microcode to Sahara adapter + * + * Arguments - + * adapter - A pointer to our adapter structure + * UcodeSel - microcode file selection + * + * Return + * int + */ +static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) +{ + PSXG_HW_REGS HwRegs = adapter->HwRegs; + u32 Section; + u32 ThisSectionSize; + u32 * Instruction = NULL; + u32 BaseAddress, AddressOffset, Address; +// u32 Failure; + u32 ValueRead; + u32 i; + u32 numSections = 0; + u32 sectionSize[16]; + u32 sectionStart[16]; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DnldUcod", + adapter, 0, 0, 0); + DBG_ERROR("sxg: %s ENTER\n", __FUNCTION__); + + switch (UcodeSel) { + case SXG_UCODE_SAHARA: // Sahara operational ucode + numSections = SNumSections; + for (i = 0; i < numSections; i++) { + sectionSize[i] = SSectionSize[i]; + sectionStart[i] = SSectionStart[i]; + } + break; + default: + printk(KERN_ERR KBUILD_MODNAME + ": Woah, big error with the microcode!\n"); + break; + } + + DBG_ERROR("sxg: RESET THE CARD\n"); + // First, reset the card + WRITE_REG(HwRegs->Reset, 0xDEAD, FLUSH); + + // Download each section of the microcode as specified in + // its download file. The *download.c file is generated using + // the saharaobjtoc facility which converts the metastep .obj + // file to a .c file which contains a two dimentional array. + for (Section = 0; Section < numSections; Section++) { + DBG_ERROR("sxg: SECTION # %d\n", Section); + switch (UcodeSel) { + case SXG_UCODE_SAHARA: + Instruction = (u32 *) & SaharaUCode[Section][0]; + break; + default: + ASSERT(0); + break; + } + BaseAddress = sectionStart[Section]; + ThisSectionSize = sectionSize[Section] / 12; // Size in instructions + for (AddressOffset = 0; AddressOffset < ThisSectionSize; + AddressOffset++) { + Address = BaseAddress + AddressOffset; + ASSERT((Address & ~MICROCODE_ADDRESS_MASK) == 0); + // Write instruction bits 31 - 0 + WRITE_REG(HwRegs->UcodeDataLow, *Instruction, FLUSH); + // Write instruction bits 63-32 + WRITE_REG(HwRegs->UcodeDataMiddle, *(Instruction + 1), + FLUSH); + // Write instruction bits 95-64 + WRITE_REG(HwRegs->UcodeDataHigh, *(Instruction + 2), + FLUSH); + // Write instruction address with the WRITE bit set + WRITE_REG(HwRegs->UcodeAddr, + (Address | MICROCODE_ADDRESS_WRITE), FLUSH); + // Sahara bug in the ucode download logic - the write to DataLow + // for the next instruction could get corrupted. To avoid this, + // write to DataLow again for this instruction (which may get + // corrupted, but it doesn't matter), then increment the address + // and write the data for the next instruction to DataLow. That + // write should succeed. + WRITE_REG(HwRegs->UcodeDataLow, *Instruction, TRUE); + // Advance 3 u32S to start of next instruction + Instruction += 3; + } + } + // Now repeat the entire operation reading the instruction back and + // checking for parity errors + for (Section = 0; Section < numSections; Section++) { + DBG_ERROR("sxg: check SECTION # %d\n", Section); + switch (UcodeSel) { + case SXG_UCODE_SAHARA: + Instruction = (u32 *) & SaharaUCode[Section][0]; + break; + default: + ASSERT(0); + break; + } + BaseAddress = sectionStart[Section]; + ThisSectionSize = sectionSize[Section] / 12; // Size in instructions + for (AddressOffset = 0; AddressOffset < ThisSectionSize; + AddressOffset++) { + Address = BaseAddress + AddressOffset; + // Write the address with the READ bit set + WRITE_REG(HwRegs->UcodeAddr, + (Address | MICROCODE_ADDRESS_READ), FLUSH); + // Read it back and check parity bit. + READ_REG(HwRegs->UcodeAddr, ValueRead); + if (ValueRead & MICROCODE_ADDRESS_PARITY) { + DBG_ERROR("sxg: %s PARITY ERROR\n", + __FUNCTION__); + + return (FALSE); // Parity error + } + ASSERT((ValueRead & MICROCODE_ADDRESS_MASK) == Address); + // Read the instruction back and compare + READ_REG(HwRegs->UcodeDataLow, ValueRead); + if (ValueRead != *Instruction) { + DBG_ERROR("sxg: %s MISCOMPARE LOW\n", + __FUNCTION__); + return (FALSE); // Miscompare + } + READ_REG(HwRegs->UcodeDataMiddle, ValueRead); + if (ValueRead != *(Instruction + 1)) { + DBG_ERROR("sxg: %s MISCOMPARE MIDDLE\n", + __FUNCTION__); + return (FALSE); // Miscompare + } + READ_REG(HwRegs->UcodeDataHigh, ValueRead); + if (ValueRead != *(Instruction + 2)) { + DBG_ERROR("sxg: %s MISCOMPARE HIGH\n", + __FUNCTION__); + return (FALSE); // Miscompare + } + // Advance 3 u32S to start of next instruction + Instruction += 3; + } + } + + // Everything OK, Go. + WRITE_REG(HwRegs->UcodeAddr, MICROCODE_ADDRESS_GO, FLUSH); + + // Poll the CardUp register to wait for microcode to initialize + // Give up after 10,000 attemps (500ms). + for (i = 0; i < 10000; i++) { + udelay(50); + READ_REG(adapter->UcodeRegs[0].CardUp, ValueRead); + if (ValueRead == 0xCAFE) { + DBG_ERROR("sxg: %s BOO YA 0xCAFE\n", __FUNCTION__); + break; + } + } + if (i == 10000) { + DBG_ERROR("sxg: %s TIMEOUT\n", __FUNCTION__); + + return (FALSE); // Timeout + } + // Now write the LoadSync register. This is used to + // synchronize with the card so it can scribble on the memory + // that contained 0xCAFE from the "CardUp" step above + if (UcodeSel == SXG_UCODE_SAHARA) { + WRITE_REG(adapter->UcodeRegs[0].LoadSync, 0, FLUSH); + } + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDnldUcd", + adapter, 0, 0, 0); + DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__); + + return (TRUE); +} + +/* + * sxg_allocate_resources - Allocate memory and locks + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * int + */ +static int sxg_allocate_resources(p_adapter_t adapter) +{ + int status; + u32 i; + u32 RssIds, IsrCount; +// PSXG_XMT_RING XmtRing; +// PSXG_RCV_RING RcvRing; + + DBG_ERROR("%s ENTER\n", __FUNCTION__); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocRes", + adapter, 0, 0, 0); + + // Windows tells us how many CPUs it plans to use for + // RSS + RssIds = SXG_RSS_CPU_COUNT(adapter); + IsrCount = adapter->MsiEnabled ? RssIds : 1; + + DBG_ERROR("%s Setup the spinlocks\n", __FUNCTION__); + + // Allocate spinlocks and initialize listheads first. + spin_lock_init(&adapter->RcvQLock); + spin_lock_init(&adapter->SglQLock); + spin_lock_init(&adapter->XmtZeroLock); + spin_lock_init(&adapter->Bit64RegLock); + spin_lock_init(&adapter->AdapterLock); + + DBG_ERROR("%s Setup the lists\n", __FUNCTION__); + + InitializeListHead(&adapter->FreeRcvBuffers); + InitializeListHead(&adapter->FreeRcvBlocks); + InitializeListHead(&adapter->AllRcvBlocks); + InitializeListHead(&adapter->FreeSglBuffers); + InitializeListHead(&adapter->AllSglBuffers); + + // Mark these basic allocations done. This flags essentially + // tells the SxgFreeResources routine that it can grab spinlocks + // and reference listheads. + adapter->BasicAllocations = TRUE; + // Main allocation loop. Start with the maximum supported by + // the microcode and back off if memory allocation + // fails. If we hit a minimum, fail. + + for (;;) { + DBG_ERROR("%s Allocate XmtRings size[%x]\n", __FUNCTION__, + (sizeof(SXG_XMT_RING) * 1)); + + // Start with big items first - receive and transmit rings. At the moment + // I'm going to keep the ring size fixed and adjust the number of + // TCBs if we fail. Later we might consider reducing the ring size as well.. + adapter->XmtRings = pci_alloc_consistent(adapter->pcidev, + sizeof(SXG_XMT_RING) * + 1, + &adapter->PXmtRings); + DBG_ERROR("%s XmtRings[%p]\n", __FUNCTION__, adapter->XmtRings); + + if (!adapter->XmtRings) { + goto per_tcb_allocation_failed; + } + memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1); + + DBG_ERROR("%s Allocate RcvRings size[%x]\n", __FUNCTION__, + (sizeof(SXG_RCV_RING) * 1)); + adapter->RcvRings = + pci_alloc_consistent(adapter->pcidev, + sizeof(SXG_RCV_RING) * 1, + &adapter->PRcvRings); + DBG_ERROR("%s RcvRings[%p]\n", __FUNCTION__, adapter->RcvRings); + if (!adapter->RcvRings) { + goto per_tcb_allocation_failed; + } + memset(adapter->RcvRings, 0, sizeof(SXG_RCV_RING) * 1); + break; + + per_tcb_allocation_failed: + // an allocation failed. Free any successful allocations. + if (adapter->XmtRings) { + pci_free_consistent(adapter->pcidev, + sizeof(SXG_XMT_RING) * 4096, + adapter->XmtRings, + adapter->PXmtRings); + adapter->XmtRings = NULL; + } + if (adapter->RcvRings) { + pci_free_consistent(adapter->pcidev, + sizeof(SXG_RCV_RING) * 4096, + adapter->RcvRings, + adapter->PRcvRings); + adapter->RcvRings = NULL; + } + // Loop around and try again.... + } + + DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __FUNCTION__); + // Initialize rcv zero and xmt zero rings + SXG_INITIALIZE_RING(adapter->RcvRingZeroInfo, SXG_RCV_RING_SIZE); + SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE); + + // Sanity check receive data structure format + ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) || + (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); + ASSERT(sizeof(SXG_RCV_DESCRIPTOR_BLOCK) == + SXG_RCV_DESCRIPTOR_BLOCK_SIZE); + + // Allocate receive data buffers. We allocate a block of buffers and + // a corresponding descriptor block at once. See sxghw.h:SXG_RCV_BLOCK + for (i = 0; i < SXG_INITIAL_RCV_DATA_BUFFERS; + i += SXG_RCV_DESCRIPTORS_PER_BLOCK) { + sxg_allocate_buffer_memory(adapter, + SXG_RCV_BLOCK_SIZE(adapter-> + ReceiveBufferSize), + SXG_BUFFER_TYPE_RCV); + } + // NBL resource allocation can fail in the 'AllocateComplete' routine, which + // doesn't return status. Make sure we got the number of buffers we requested + if (adapter->FreeRcvBufferCount < SXG_INITIAL_RCV_DATA_BUFFERS) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF6", + adapter, adapter->FreeRcvBufferCount, SXG_MAX_ENTRIES, + 0); + return (STATUS_RESOURCES); + } + + DBG_ERROR("%s Allocate EventRings size[%x]\n", __FUNCTION__, + (sizeof(SXG_EVENT_RING) * RssIds)); + + // Allocate event queues. + adapter->EventRings = pci_alloc_consistent(adapter->pcidev, + sizeof(SXG_EVENT_RING) * + RssIds, + &adapter->PEventRings); + + if (!adapter->EventRings) { + // Caller will call SxgFreeAdapter to clean up above allocations + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF8", + adapter, SXG_MAX_ENTRIES, 0, 0); + status = STATUS_RESOURCES; + goto per_tcb_allocation_failed; + } + memset(adapter->EventRings, 0, sizeof(SXG_EVENT_RING) * RssIds); + + DBG_ERROR("%s Allocate ISR size[%x]\n", __FUNCTION__, IsrCount); + // Allocate ISR + adapter->Isr = pci_alloc_consistent(adapter->pcidev, + IsrCount, &adapter->PIsr); + if (!adapter->Isr) { + // Caller will call SxgFreeAdapter to clean up above allocations + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF9", + adapter, SXG_MAX_ENTRIES, 0, 0); + status = STATUS_RESOURCES; + goto per_tcb_allocation_failed; + } + memset(adapter->Isr, 0, sizeof(u32) * IsrCount); + + DBG_ERROR("%s Allocate shared XMT ring zero index location size[%x]\n", + __FUNCTION__, sizeof(u32)); + + // Allocate shared XMT ring zero index location + adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev, + sizeof(u32), + &adapter-> + PXmtRingZeroIndex); + if (!adapter->XmtRingZeroIndex) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF10", + adapter, SXG_MAX_ENTRIES, 0, 0); + status = STATUS_RESOURCES; + goto per_tcb_allocation_failed; + } + memset(adapter->XmtRingZeroIndex, 0, sizeof(u32)); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlcResS", + adapter, SXG_MAX_ENTRIES, 0, 0); + + DBG_ERROR("%s EXIT\n", __FUNCTION__); + return (STATUS_SUCCESS); +} + +/* + * sxg_config_pci - + * + * Set up PCI Configuration space + * + * Arguments - + * pcidev - A pointer to our adapter structure + * + */ +static void sxg_config_pci(struct pci_dev *pcidev) +{ + u16 pci_command; + u16 new_command; + + pci_read_config_word(pcidev, PCI_COMMAND, &pci_command); + DBG_ERROR("sxg: %s PCI command[%4.4x]\n", __FUNCTION__, pci_command); + // Set the command register + new_command = pci_command | (PCI_COMMAND_MEMORY | // Memory Space Enable + PCI_COMMAND_MASTER | // Bus master enable + PCI_COMMAND_INVALIDATE | // Memory write and invalidate + PCI_COMMAND_PARITY | // Parity error response + PCI_COMMAND_SERR | // System ERR + PCI_COMMAND_FAST_BACK); // Fast back-to-back + if (pci_command != new_command) { + DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n", + __FUNCTION__, pci_command, new_command); + pci_write_config_word(pcidev, PCI_COMMAND, new_command); + } +} + +static int sxg_entry_probe(struct pci_dev *pcidev, + const struct pci_device_id *pci_tbl_entry) +{ + static int did_version = 0; + int err; + struct net_device *netdev; + p_adapter_t adapter; + void __iomem *memmapped_ioaddr; + u32 status = 0; + ulong mmio_start = 0; + ulong mmio_len = 0; + + DBG_ERROR("sxg: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n", + __FUNCTION__, jiffies, smp_processor_id()); + + // Initialize trace buffer +#ifdef ATKDBG + SxgTraceBuffer = &LSxgTraceBuffer; + SXG_TRACE_INIT(SxgTraceBuffer, TRACE_NOISY); +#endif + + sxg_global.dynamic_intagg = dynamic_intagg; + + err = pci_enable_device(pcidev); + + DBG_ERROR("Call pci_enable_device(%p) status[%x]\n", pcidev, err); + if (err) { + return err; + } + + if (sxg_debug > 0 && did_version++ == 0) { + printk(KERN_INFO "%s\n", sxg_banner); + printk(KERN_INFO "%s\n", DRV_VERSION); + } + + if (!(err = pci_set_dma_mask(pcidev, DMA_64BIT_MASK))) { + DBG_ERROR("pci_set_dma_mask(DMA_64BIT_MASK) successful\n"); + } else { + if ((err = pci_set_dma_mask(pcidev, DMA_32BIT_MASK))) { + DBG_ERROR + ("No usable DMA configuration, aborting err[%x]\n", + err); + return err; + } + DBG_ERROR("pci_set_dma_mask(DMA_32BIT_MASK) successful\n"); + } + + DBG_ERROR("Call pci_request_regions\n"); + + err = pci_request_regions(pcidev, DRV_NAME); + if (err) { + DBG_ERROR("pci_request_regions FAILED err[%x]\n", err); + return err; + } + + DBG_ERROR("call pci_set_master\n"); + pci_set_master(pcidev); + + DBG_ERROR("call alloc_etherdev\n"); + netdev = alloc_etherdev(sizeof(adapter_t)); + if (!netdev) { + err = -ENOMEM; + goto err_out_exit_sxg_probe; + } + DBG_ERROR("alloc_etherdev for slic netdev[%p]\n", netdev); + + SET_NETDEV_DEV(netdev, &pcidev->dev); + + pci_set_drvdata(pcidev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pcidev = pcidev; + + mmio_start = pci_resource_start(pcidev, 0); + mmio_len = pci_resource_len(pcidev, 0); + + DBG_ERROR("sxg: call ioremap(mmio_start[%lx], mmio_len[%lx])\n", + mmio_start, mmio_len); + + memmapped_ioaddr = ioremap(mmio_start, mmio_len); + DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__, memmapped_ioaddr); + if (!memmapped_ioaddr) { + DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n", + __FUNCTION__, mmio_len, mmio_start); + goto err_out_free_mmio_region; + } + + DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n", + __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq); + + adapter->HwRegs = (void *) memmapped_ioaddr; + adapter->base_addr = memmapped_ioaddr; + + mmio_start = pci_resource_start(pcidev, 2); + mmio_len = pci_resource_len(pcidev, 2); + + DBG_ERROR("sxg: call ioremap(mmio_start[%lx], mmio_len[%lx])\n", + mmio_start, mmio_len); + + memmapped_ioaddr = ioremap(mmio_start, mmio_len); + DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__, memmapped_ioaddr); + if (!memmapped_ioaddr) { + DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n", + __FUNCTION__, mmio_len, mmio_start); + goto err_out_free_mmio_region; + } + + DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, " + "start[%lx] len[%lx], IRQ %d.\n", __func__, + memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq); + + adapter->UcodeRegs = (void *)memmapped_ioaddr; + + adapter->State = SXG_STATE_INITIALIZING; + // Maintain a list of all adapters anchored by + // the global SxgDriver structure. + adapter->Next = SxgDriver.Adapters; + SxgDriver.Adapters = adapter; + adapter->AdapterID = ++SxgDriver.AdapterID; + + // Initialize CRC table used to determine multicast hash + sxg_mcast_init_crc32(); + + adapter->JumboEnabled = FALSE; + adapter->RssEnabled = FALSE; + if (adapter->JumboEnabled) { + adapter->FrameSize = JUMBOMAXFRAME; + adapter->ReceiveBufferSize = SXG_RCV_JUMBO_BUFFER_SIZE; + } else { + adapter->FrameSize = ETHERMAXFRAME; + adapter->ReceiveBufferSize = SXG_RCV_DATA_BUFFER_SIZE; + } + +// status = SXG_READ_EEPROM(adapter); +// if (!status) { +// goto sxg_init_bad; +// } + + DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __FUNCTION__); + sxg_config_pci(pcidev); + DBG_ERROR("sxg: %s EXIT sxg_config_pci\n", __FUNCTION__); + + DBG_ERROR("sxg: %s ENTER sxg_init_driver\n", __FUNCTION__); + sxg_init_driver(); + DBG_ERROR("sxg: %s EXIT sxg_init_driver\n", __FUNCTION__); + + adapter->vendid = pci_tbl_entry->vendor; + adapter->devid = pci_tbl_entry->device; + adapter->subsysid = pci_tbl_entry->subdevice; + adapter->busnumber = pcidev->bus->number; + adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); + adapter->functionnumber = (pcidev->devfn & 0x7); + adapter->memorylength = pci_resource_len(pcidev, 0); + adapter->irq = pcidev->irq; + adapter->next_netdevice = head_netdevice; + head_netdevice = netdev; +// adapter->chipid = chip_idx; + adapter->port = 0; //adapter->functionnumber; + adapter->cardindex = adapter->port; + + // Allocate memory and other resources + DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __FUNCTION__); + status = sxg_allocate_resources(adapter); + DBG_ERROR("sxg: %s EXIT sxg_allocate_resources status %x\n", + __FUNCTION__, status); + if (status != STATUS_SUCCESS) { + goto err_out_unmap; + } + + DBG_ERROR("sxg: %s ENTER sxg_download_microcode\n", __FUNCTION__); + if (sxg_download_microcode(adapter, SXG_UCODE_SAHARA)) { + DBG_ERROR("sxg: %s ENTER sxg_adapter_set_hwaddr\n", + __FUNCTION__); + sxg_adapter_set_hwaddr(adapter); + } else { + adapter->state = ADAPT_FAIL; + adapter->linkstate = LINK_DOWN; + DBG_ERROR("sxg_download_microcode FAILED status[%x]\n", status); + } + + netdev->base_addr = (unsigned long)adapter->base_addr; + netdev->irq = adapter->irq; + netdev->open = sxg_entry_open; + netdev->stop = sxg_entry_halt; + netdev->hard_start_xmit = sxg_send_packets; + netdev->do_ioctl = sxg_ioctl; +#if XXXTODO + netdev->set_mac_address = sxg_mac_set_address; +#if SLIC_GET_STATS_ENABLED + netdev->get_stats = sxg_get_stats; +#endif + netdev->set_multicast_list = sxg_mcast_set_list; +#endif + + strcpy(netdev->name, "eth%d"); +// strcpy(netdev->name, pci_name(pcidev)); + if ((err = register_netdev(netdev))) { + DBG_ERROR("Cannot register net device, aborting. %s\n", + netdev->name); + goto err_out_unmap; + } + + DBG_ERROR + ("sxg: %s addr 0x%lx, irq %d, MAC addr %02X:%02X:%02X:%02X:%02X:%02X\n", + netdev->name, netdev->base_addr, pcidev->irq, netdev->dev_addr[0], + netdev->dev_addr[1], netdev->dev_addr[2], netdev->dev_addr[3], + netdev->dev_addr[4], netdev->dev_addr[5]); + +//sxg_init_bad: + ASSERT(status == FALSE); +// sxg_free_adapter(adapter); + + DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __FUNCTION__, + status, jiffies, smp_processor_id()); + return status; + + err_out_unmap: + iounmap((void *)memmapped_ioaddr); + + err_out_free_mmio_region: + release_mem_region(mmio_start, mmio_len); + + err_out_exit_sxg_probe: + + DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __FUNCTION__, jiffies, + smp_processor_id()); + + return -ENODEV; +} + + +/*********************************************************************** + * LINE BASE Interrupt routines.. + ***********************************************************************/ +/* + * + * sxg_disable_interrupt + * + * DisableInterrupt Handler + * + * Arguments: + * + * adapter: Our adapter structure + * + * Return Value: + * None. + */ +static void sxg_disable_interrupt(p_adapter_t adapter) +{ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DisIntr", + adapter, adapter->InterruptsEnabled, 0, 0); + // For now, RSS is disabled with line based interrupts + ASSERT(adapter->RssEnabled == FALSE); + ASSERT(adapter->MsiEnabled == FALSE); + // + // Turn off interrupts by writing to the icr register. + // + WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_DISABLE), TRUE); + + adapter->InterruptsEnabled = 0; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDisIntr", + adapter, adapter->InterruptsEnabled, 0, 0); +} + +/* + * + * sxg_enable_interrupt + * + * EnableInterrupt Handler + * + * Arguments: + * + * adapter: Our adapter structure + * + * Return Value: + * None. + */ +static void sxg_enable_interrupt(p_adapter_t adapter) +{ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "EnIntr", + adapter, adapter->InterruptsEnabled, 0, 0); + // For now, RSS is disabled with line based interrupts + ASSERT(adapter->RssEnabled == FALSE); + ASSERT(adapter->MsiEnabled == FALSE); + // + // Turn on interrupts by writing to the icr register. + // + WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_ENABLE), TRUE); + + adapter->InterruptsEnabled = 1; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XEnIntr", + adapter, 0, 0, 0); +} + +/* + * + * sxg_isr - Process an line-based interrupt + * + * Arguments: + * Context - Our adapter structure + * QueueDefault - Output parameter to queue to default CPU + * TargetCpus - Output bitmap to schedule DPC's + * + * Return Value: + * TRUE if our interrupt + */ +static irqreturn_t sxg_isr(int irq, void *dev_id) +{ + p_net_device dev = (p_net_device) dev_id; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); +// u32 CpuMask = 0, i; + + adapter->Stats.NumInts++; + if (adapter->Isr[0] == 0) { + // The SLIC driver used to experience a number of spurious interrupts + // due to the delay associated with the masking of the interrupt + // (we'd bounce back in here). If we see that again with Sahara, + // add a READ_REG of the Icr register after the WRITE_REG below. + adapter->Stats.FalseInts++; + return IRQ_NONE; + } + // + // Move the Isr contents and clear the value in + // shared memory, and mask interrupts + // + adapter->IsrCopy[0] = adapter->Isr[0]; + adapter->Isr[0] = 0; + WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_MASK), TRUE); +// ASSERT(adapter->IsrDpcsPending == 0); +#if XXXTODO // RSS Stuff + // If RSS is enabled and the ISR specifies + // SXG_ISR_EVENT, then schedule DPC's + // based on event queues. + if (adapter->RssEnabled && (adapter->IsrCopy[0] & SXG_ISR_EVENT)) { + for (i = 0; + i < adapter->RssSystemInfo->ProcessorInfo.RssCpuCount; + i++) { + PSXG_EVENT_RING EventRing = &adapter->EventRings[i]; + PSXG_EVENT Event = + &EventRing->Ring[adapter->NextEvent[i]]; + unsigned char Cpu = adapter->RssSystemInfo->RssIdToCpu[i]; + if (Event->Status & EVENT_STATUS_VALID) { + adapter->IsrDpcsPending++; + CpuMask |= (1 << Cpu); + } + } + } + // Now, either schedule the CPUs specified by the CpuMask, + // or queue default + if (CpuMask) { + *QueueDefault = FALSE; + } else { + adapter->IsrDpcsPending = 1; + *QueueDefault = TRUE; + } + *TargetCpus = CpuMask; +#endif + // + // There are no DPCs in Linux, so call the handler now + // + sxg_handle_interrupt(adapter); + + return IRQ_HANDLED; +} + +static void sxg_handle_interrupt(p_adapter_t adapter) +{ +// unsigned char RssId = 0; + u32 NewIsr; + + if (adapter->Stats.RcvNoBuffer < 5) { + DBG_ERROR("Enter sxg_handle_interrupt ISR[%x]\n", + adapter->IsrCopy[0]); + } + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "HndlIntr", + adapter, adapter->IsrCopy[0], 0, 0); + // For now, RSS is disabled with line based interrupts + ASSERT(adapter->RssEnabled == FALSE); + ASSERT(adapter->MsiEnabled == FALSE); + ASSERT(adapter->IsrCopy[0]); +///////////////////////////// + + // Always process the event queue. + sxg_process_event_queue(adapter, + (adapter->RssEnabled ? /*RssId */ 0 : 0)); + +#if XXXTODO // RSS stuff + if (--adapter->IsrDpcsPending) { + // We're done. + ASSERT(adapter->RssEnabled); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DPCsPend", + adapter, 0, 0, 0); + return; + } +#endif + // + // Last (or only) DPC processes the ISR and clears the interrupt. + // + NewIsr = sxg_process_isr(adapter, 0); + // + // Reenable interrupts + // + adapter->IsrCopy[0] = 0; + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ClearIsr", + adapter, NewIsr, 0, 0); + + if (adapter->Stats.RcvNoBuffer < 5) { + DBG_ERROR + ("Exit sxg_handle_interrupt2 after enabling interrupt\n"); + } + + WRITE_REG(adapter->UcodeRegs[0].Isr, NewIsr, TRUE); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XHndlInt", + adapter, 0, 0, 0); +} + +/* + * + * sxg_process_isr - Process an interrupt. Called from the line-based and + * message based interrupt DPC routines + * + * Arguments: + * adapter - Our adapter structure + * Queue - The ISR that needs processing + * + * Return Value: + * None + */ +static int sxg_process_isr(p_adapter_t adapter, u32 MessageId) +{ + u32 Isr = adapter->IsrCopy[MessageId]; + u32 NewIsr = 0; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ProcIsr", + adapter, Isr, 0, 0); + + // Error + if (Isr & SXG_ISR_ERR) { + if (Isr & SXG_ISR_PDQF) { + adapter->Stats.PdqFull++; + DBG_ERROR("%s: SXG_ISR_ERR PDQF!!\n", __FUNCTION__); + } + // No host buffer + if (Isr & SXG_ISR_RMISS) { + // There is a bunch of code in the SLIC driver which + // attempts to process more receive events per DPC + // if we start to fall behind. We'll probably + // need to do something similar here, but hold + // off for now. I don't want to make the code more + // complicated than strictly needed. + adapter->Stats.RcvNoBuffer++; + if (adapter->Stats.RcvNoBuffer < 5) { + DBG_ERROR("%s: SXG_ISR_ERR RMISS!!\n", + __FUNCTION__); + } + } + // Card crash + if (Isr & SXG_ISR_DEAD) { + // Set aside the crash info and set the adapter state to RESET + adapter->CrashCpu = + (unsigned char) ((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT); + adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH); + adapter->Dead = TRUE; + DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __FUNCTION__, + adapter->CrashLocation, adapter->CrashCpu); + } + // Event ring full + if (Isr & SXG_ISR_ERFULL) { + // Same issue as RMISS, really. This means the + // host is falling behind the card. Need to increase + // event ring size, process more events per interrupt, + // and/or reduce/remove interrupt aggregation. + adapter->Stats.EventRingFull++; + DBG_ERROR("%s: SXG_ISR_ERR EVENT RING FULL!!\n", + __FUNCTION__); + } + // Transmit drop - no DRAM buffers or XMT error + if (Isr & SXG_ISR_XDROP) { + adapter->Stats.XmtDrops++; + adapter->Stats.XmtErrors++; + DBG_ERROR("%s: SXG_ISR_ERR XDROP!!\n", __FUNCTION__); + } + } + // Slowpath send completions + if (Isr & SXG_ISR_SPSEND) { + sxg_complete_slow_send(adapter); + } + // Dump + if (Isr & SXG_ISR_UPC) { + ASSERT(adapter->DumpCmdRunning); // Maybe change when debug is added.. + adapter->DumpCmdRunning = FALSE; + } + // Link event + if (Isr & SXG_ISR_LINK) { + sxg_link_event(adapter); + } + // Debug - breakpoint hit + if (Isr & SXG_ISR_BREAK) { + // At the moment AGDB isn't written to support interactive + // debug sessions. When it is, this interrupt will be used + // to signal AGDB that it has hit a breakpoint. For now, ASSERT. + ASSERT(0); + } + // Heartbeat response + if (Isr & SXG_ISR_PING) { + adapter->PingOutstanding = FALSE; + } + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XProcIsr", + adapter, Isr, NewIsr, 0); + + return (NewIsr); +} + +/* + * + * sxg_process_event_queue - Process our event queue + * + * Arguments: + * - adapter - Adapter structure + * - RssId - The event queue requiring processing + * + * Return Value: + * None. + */ +static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId) +{ + PSXG_EVENT_RING EventRing = &adapter->EventRings[RssId]; + PSXG_EVENT Event = &EventRing->Ring[adapter->NextEvent[RssId]]; + u32 EventsProcessed = 0, Batches = 0; + u32 num_skbs = 0; + struct sk_buff *skb; +#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS + struct sk_buff *prev_skb = NULL; + struct sk_buff *IndicationList[SXG_RCV_ARRAYSIZE]; + u32 Index; + PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr; +#endif + u32 ReturnStatus = 0; + + ASSERT((adapter->State == SXG_STATE_RUNNING) || + (adapter->State == SXG_STATE_PAUSING) || + (adapter->State == SXG_STATE_PAUSED) || + (adapter->State == SXG_STATE_HALTING)); + // We may still have unprocessed events on the queue if + // the card crashed. Don't process them. + if (adapter->Dead) { + return (0); + } + // In theory there should only be a single processor that + // accesses this queue, and only at interrupt-DPC time. So + // we shouldn't need a lock for any of this. + while (Event->Status & EVENT_STATUS_VALID) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "Event", + Event, Event->Code, Event->Status, + adapter->NextEvent); + switch (Event->Code) { + case EVENT_CODE_BUFFERS: + ASSERT(!(Event->CommandIndex & 0xFF00)); // SXG_RING_INFO Head & Tail == unsigned char + // + sxg_complete_descriptor_blocks(adapter, + Event->CommandIndex); + // + break; + case EVENT_CODE_SLOWRCV: + --adapter->RcvBuffersOnCard; + if ((skb = sxg_slow_receive(adapter, Event))) { + u32 rx_bytes; +#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS + // Add it to our indication list + SXG_ADD_RCV_PACKET(adapter, skb, prev_skb, + IndicationList, num_skbs); + // In Linux, we just pass up each skb to the protocol above at this point, + // there is no capability of an indication list. +#else +// CHECK skb_pull(skb, INIC_RCVBUF_HEADSIZE); + rx_bytes = Event->Length; // (rcvbuf->length & IRHDDR_FLEN_MSK); + skb_put(skb, rx_bytes); + adapter->stats.rx_packets++; + adapter->stats.rx_bytes += rx_bytes; +#if SXG_OFFLOAD_IP_CHECKSUM + skb->ip_summed = CHECKSUM_UNNECESSARY; +#endif + skb->dev = adapter->netdev; + skb->protocol = eth_type_trans(skb, skb->dev); + netif_rx(skb); +#endif + } + break; + default: + DBG_ERROR("%s: ERROR Invalid EventCode %d\n", + __FUNCTION__, Event->Code); +// ASSERT(0); + } + // See if we need to restock card receive buffers. + // There are two things to note here: + // First - This test is not SMP safe. The + // adapter->BuffersOnCard field is protected via atomic interlocked calls, but + // we do not protect it with respect to these tests. The only way to do that + // is with a lock, and I don't want to grab a lock every time we adjust the + // BuffersOnCard count. Instead, we allow the buffer replenishment to be off + // once in a while. The worst that can happen is the card is given one + // more-or-less descriptor block than the arbitrary value we've chosen. + // No big deal + // In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted. + // Second - We expect this test to rarely evaluate to true. We attempt to + // refill descriptor blocks as they are returned to us + // (sxg_complete_descriptor_blocks), so The only time this should evaluate + // to true is when sxg_complete_descriptor_blocks failed to allocate + // receive buffers. + if (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) { + sxg_stock_rcv_buffers(adapter); + } + // It's more efficient to just set this to zero. + // But clearing the top bit saves potential debug info... + Event->Status &= ~EVENT_STATUS_VALID; + // Advanct to the next event + SXG_ADVANCE_INDEX(adapter->NextEvent[RssId], EVENT_RING_SIZE); + Event = &EventRing->Ring[adapter->NextEvent[RssId]]; + EventsProcessed++; + if (EventsProcessed == EVENT_RING_BATCH) { + // Release a batch of events back to the card + WRITE_REG(adapter->UcodeRegs[RssId].EventRelease, + EVENT_RING_BATCH, FALSE); + EventsProcessed = 0; + // If we've processed our batch limit, break out of the + // loop and return SXG_ISR_EVENT to arrange for us to + // be called again + if (Batches++ == EVENT_BATCH_LIMIT) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, + TRACE_NOISY, "EvtLimit", Batches, + adapter->NextEvent, 0, 0); + ReturnStatus = SXG_ISR_EVENT; + break; + } + } + } +#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS + // + // Indicate any received dumb-nic frames + // + SXG_INDICATE_PACKETS(adapter, IndicationList, num_skbs); +#endif + // + // Release events back to the card. + // + if (EventsProcessed) { + WRITE_REG(adapter->UcodeRegs[RssId].EventRelease, + EventsProcessed, FALSE); + } + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XPrcEvnt", + Batches, EventsProcessed, adapter->NextEvent, num_skbs); + + return (ReturnStatus); +} + +/* + * sxg_complete_slow_send - Complete slowpath or dumb-nic sends + * + * Arguments - + * adapter - A pointer to our adapter structure + + * Return + * None + */ +static void sxg_complete_slow_send(p_adapter_t adapter) +{ + PSXG_XMT_RING XmtRing = &adapter->XmtRings[0]; + PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo; + u32 * ContextType; + PSXG_CMD XmtCmd; + + // NOTE - This lock is dropped and regrabbed in this loop. + // This means two different processors can both be running + // through this loop. Be *very* careful. + spin_lock(&adapter->XmtZeroLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnds", + adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0); + + while (XmtRingInfo->Tail != *adapter->XmtRingZeroIndex) { + // Locate the current Cmd (ring descriptor entry), and + // associated SGL, and advance the tail + SXG_RETURN_CMD(XmtRing, XmtRingInfo, XmtCmd, ContextType); + ASSERT(ContextType); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd", + XmtRingInfo->Head, XmtRingInfo->Tail, XmtCmd, 0); + // Clear the SGL field. + XmtCmd->Sgl = 0; + + switch (*ContextType) { + case SXG_SGL_DUMB: + { + struct sk_buff *skb; + // Dumb-nic send. Command context is the dumb-nic SGL + skb = (struct sk_buff *)ContextType; + // Complete the send + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, + TRACE_IMPORTANT, "DmSndCmp", skb, 0, + 0, 0); + ASSERT(adapter->Stats.XmtQLen); + adapter->Stats.XmtQLen--; // within XmtZeroLock + adapter->Stats.XmtOk++; + // Now drop the lock and complete the send back to + // Microsoft. We need to drop the lock because + // Microsoft can come back with a chimney send, which + // results in a double trip in SxgTcpOuput + spin_unlock(&adapter->XmtZeroLock); + SXG_COMPLETE_DUMB_SEND(adapter, skb); + // and reacquire.. + spin_lock(&adapter->XmtZeroLock); + } + break; + default: + ASSERT(0); + } + } + spin_unlock(&adapter->XmtZeroLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd", + adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0); +} + +/* + * sxg_slow_receive + * + * Arguments - + * adapter - A pointer to our adapter structure + * Event - Receive event + * + * Return + * skb + */ +static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) +{ + PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr; + struct sk_buff *Packet; + + RcvDataBufferHdr = (PSXG_RCV_DATA_BUFFER_HDR) Event->HostHandle; + ASSERT(RcvDataBufferHdr); + ASSERT(RcvDataBufferHdr->State == SXG_BUFFER_ONCARD); + ASSERT(SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr) == + RcvDataBufferHdr->VirtualAddress); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event, + RcvDataBufferHdr, RcvDataBufferHdr->State, + RcvDataBufferHdr->VirtualAddress); + // Drop rcv frames in non-running state + switch (adapter->State) { + case SXG_STATE_RUNNING: + break; + case SXG_STATE_PAUSING: + case SXG_STATE_PAUSED: + case SXG_STATE_HALTING: + goto drop; + default: + ASSERT(0); + goto drop; + } + + // Change buffer state to UPSTREAM + RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; + if (Event->Status & EVENT_STATUS_RCVERR) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError", + Event, Event->Status, Event->HostHandle, 0); + // XXXTODO - Remove this print later + DBG_ERROR("SXG: Receive error %x\n", + *(u32 *) + SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)); + sxg_process_rcv_error(adapter, + *(u32 *) + SXG_RECEIVE_DATA_LOCATION + (RcvDataBufferHdr)); + goto drop; + } +#if XXXTODO // VLAN stuff + // If there's a VLAN tag, extract it and validate it + if (((p_ether_header) (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))-> + EtherType == ETHERTYPE_VLAN) { + if (SxgExtractVlanHeader(adapter, RcvDataBufferHdr, Event) != + STATUS_SUCCESS) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, + "BadVlan", Event, + SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + Event->Length, 0); + goto drop; + } + } +#endif + // + // Dumb-nic frame. See if it passes our mac filter and update stats + // + if (!sxg_mac_filter(adapter, + (p_ether_header) + SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + Event->Length)) { + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr", + Event, SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), + Event->Length, 0); + goto drop; + } + + Packet = RcvDataBufferHdr->SxgDumbRcvPacket; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv", + RcvDataBufferHdr, Packet, Event->Length, 0); + // + // Lastly adjust the receive packet length. + // + SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event); + + return (Packet); + + drop: + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DropRcv", + RcvDataBufferHdr, Event->Length, 0, 0); + adapter->Stats.RcvDiscards++; + spin_lock(&adapter->RcvQLock); + SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); + spin_unlock(&adapter->RcvQLock); + return (NULL); +} + +/* + * sxg_process_rcv_error - process receive error and update + * stats + * + * Arguments: + * adapter - Adapter structure + * ErrorStatus - 4-byte receive error status + * + * Return Value: + * None + */ +static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus) +{ + u32 Error; + + adapter->Stats.RcvErrors++; + + if (ErrorStatus & SXG_RCV_STATUS_TRANSPORT_ERROR) { + Error = ErrorStatus & SXG_RCV_STATUS_TRANSPORT_MASK; + switch (Error) { + case SXG_RCV_STATUS_TRANSPORT_CSUM: + adapter->Stats.TransportCsum++; + break; + case SXG_RCV_STATUS_TRANSPORT_UFLOW: + adapter->Stats.TransportUflow++; + break; + case SXG_RCV_STATUS_TRANSPORT_HDRLEN: + adapter->Stats.TransportHdrLen++; + break; + } + } + if (ErrorStatus & SXG_RCV_STATUS_NETWORK_ERROR) { + Error = ErrorStatus & SXG_RCV_STATUS_NETWORK_MASK; + switch (Error) { + case SXG_RCV_STATUS_NETWORK_CSUM: + adapter->Stats.NetworkCsum++; + break; + case SXG_RCV_STATUS_NETWORK_UFLOW: + adapter->Stats.NetworkUflow++; + break; + case SXG_RCV_STATUS_NETWORK_HDRLEN: + adapter->Stats.NetworkHdrLen++; + break; + } + } + if (ErrorStatus & SXG_RCV_STATUS_PARITY) { + adapter->Stats.Parity++; + } + if (ErrorStatus & SXG_RCV_STATUS_LINK_ERROR) { + Error = ErrorStatus & SXG_RCV_STATUS_LINK_MASK; + switch (Error) { + case SXG_RCV_STATUS_LINK_PARITY: + adapter->Stats.LinkParity++; + break; + case SXG_RCV_STATUS_LINK_EARLY: + adapter->Stats.LinkEarly++; + break; + case SXG_RCV_STATUS_LINK_BUFOFLOW: + adapter->Stats.LinkBufOflow++; + break; + case SXG_RCV_STATUS_LINK_CODE: + adapter->Stats.LinkCode++; + break; + case SXG_RCV_STATUS_LINK_DRIBBLE: + adapter->Stats.LinkDribble++; + break; + case SXG_RCV_STATUS_LINK_CRC: + adapter->Stats.LinkCrc++; + break; + case SXG_RCV_STATUS_LINK_OFLOW: + adapter->Stats.LinkOflow++; + break; + case SXG_RCV_STATUS_LINK_UFLOW: + adapter->Stats.LinkUflow++; + break; + } + } +} + +/* + * sxg_mac_filter + * + * Arguments: + * adapter - Adapter structure + * pether - Ethernet header + * length - Frame length + * + * Return Value: + * TRUE if the frame is to be allowed + */ +static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, ushort length) +{ + bool EqualAddr; + + if (SXG_MULTICAST_PACKET(EtherHdr)) { + if (SXG_BROADCAST_PACKET(EtherHdr)) { + // broadcast + if (adapter->MacFilter & MAC_BCAST) { + adapter->Stats.DumbRcvBcastPkts++; + adapter->Stats.DumbRcvBcastBytes += length; + adapter->Stats.DumbRcvPkts++; + adapter->Stats.DumbRcvBytes += length; + return (TRUE); + } + } else { + // multicast + if (adapter->MacFilter & MAC_ALLMCAST) { + adapter->Stats.DumbRcvMcastPkts++; + adapter->Stats.DumbRcvMcastBytes += length; + adapter->Stats.DumbRcvPkts++; + adapter->Stats.DumbRcvBytes += length; + return (TRUE); + } + if (adapter->MacFilter & MAC_MCAST) { + PSXG_MULTICAST_ADDRESS MulticastAddrs = + adapter->MulticastAddrs; + while (MulticastAddrs) { + ETHER_EQ_ADDR(MulticastAddrs->Address, + EtherHdr->ether_dhost, + EqualAddr); + if (EqualAddr) { + adapter->Stats. + DumbRcvMcastPkts++; + adapter->Stats. + DumbRcvMcastBytes += length; + adapter->Stats.DumbRcvPkts++; + adapter->Stats.DumbRcvBytes += + length; + return (TRUE); + } + MulticastAddrs = MulticastAddrs->Next; + } + } + } + } else if (adapter->MacFilter & MAC_DIRECTED) { + // Not broadcast or multicast. Must be directed at us or + // the card is in promiscuous mode. Either way, consider it + // ours if MAC_DIRECTED is set + adapter->Stats.DumbRcvUcastPkts++; + adapter->Stats.DumbRcvUcastBytes += length; + adapter->Stats.DumbRcvPkts++; + adapter->Stats.DumbRcvBytes += length; + return (TRUE); + } + if (adapter->MacFilter & MAC_PROMISC) { + // Whatever it is, keep it. + adapter->Stats.DumbRcvPkts++; + adapter->Stats.DumbRcvBytes += length; + return (TRUE); + } + adapter->Stats.RcvDiscards++; + return (FALSE); +} + +static int sxg_register_interrupt(p_adapter_t adapter) +{ + if (!adapter->intrregistered) { + int retval; + + DBG_ERROR + ("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x] %x\n", + __FUNCTION__, adapter, adapter->netdev->irq, NR_IRQS); + + spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + + retval = request_irq(adapter->netdev->irq, + &sxg_isr, + IRQF_SHARED, + adapter->netdev->name, adapter->netdev); + + spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags); + + if (retval) { + DBG_ERROR("sxg: request_irq (%s) FAILED [%x]\n", + adapter->netdev->name, retval); + return (retval); + } + adapter->intrregistered = 1; + adapter->IntRegistered = TRUE; + // Disable RSS with line-based interrupts + adapter->MsiEnabled = FALSE; + adapter->RssEnabled = FALSE; + DBG_ERROR("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x]\n", + __FUNCTION__, adapter, adapter->netdev->irq); + } + return (STATUS_SUCCESS); +} + +static void sxg_deregister_interrupt(p_adapter_t adapter) +{ + DBG_ERROR("sxg: %s ENTER adapter[%p]\n", __FUNCTION__, adapter); +#if XXXTODO + slic_init_cleanup(adapter); +#endif + memset(&adapter->stats, 0, sizeof(struct net_device_stats)); + adapter->error_interrupts = 0; + adapter->rcv_interrupts = 0; + adapter->xmit_interrupts = 0; + adapter->linkevent_interrupts = 0; + adapter->upr_interrupts = 0; + adapter->num_isrs = 0; + adapter->xmit_completes = 0; + adapter->rcv_broadcasts = 0; + adapter->rcv_multicasts = 0; + adapter->rcv_unicasts = 0; + DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__); +} + +/* + * sxg_if_init + * + * Perform initialization of our slic interface. + * + */ +static int sxg_if_init(p_adapter_t adapter) +{ + p_net_device dev = adapter->netdev; + int status = 0; + + DBG_ERROR("sxg: %s (%s) ENTER states[%d:%d:%d] flags[%x]\n", + __FUNCTION__, adapter->netdev->name, + adapter->queues_initialized, adapter->state, + adapter->linkstate, dev->flags); + + /* adapter should be down at this point */ + if (adapter->state != ADAPT_DOWN) { + DBG_ERROR("sxg_if_init adapter->state != ADAPT_DOWN\n"); + return (-EIO); + } + ASSERT(adapter->linkstate == LINK_DOWN); + + adapter->devflags_prev = dev->flags; + adapter->macopts = MAC_DIRECTED; + if (dev->flags) { + DBG_ERROR("sxg: %s (%s) Set MAC options: ", __FUNCTION__, + adapter->netdev->name); + if (dev->flags & IFF_BROADCAST) { + adapter->macopts |= MAC_BCAST; + DBG_ERROR("BCAST "); + } + if (dev->flags & IFF_PROMISC) { + adapter->macopts |= MAC_PROMISC; + DBG_ERROR("PROMISC "); + } + if (dev->flags & IFF_ALLMULTI) { + adapter->macopts |= MAC_ALLMCAST; + DBG_ERROR("ALL_MCAST "); + } + if (dev->flags & IFF_MULTICAST) { + adapter->macopts |= MAC_MCAST; + DBG_ERROR("MCAST "); + } + DBG_ERROR("\n"); + } + status = sxg_register_interrupt(adapter); + if (status != STATUS_SUCCESS) { + DBG_ERROR("sxg_if_init: sxg_register_interrupt FAILED %x\n", + status); + sxg_deregister_interrupt(adapter); + return (status); + } + + adapter->state = ADAPT_UP; + + /* + * clear any pending events, then enable interrupts + */ + DBG_ERROR("sxg: %s ENABLE interrupts(slic)\n", __FUNCTION__); + + return (STATUS_SUCCESS); +} + +static int sxg_entry_open(p_net_device dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + int status; + + ASSERT(adapter); + DBG_ERROR("sxg: %s adapter->activated[%d]\n", __FUNCTION__, + adapter->activated); + DBG_ERROR + ("sxg: %s (%s): [jiffies[%lx] cpu %d] dev[%p] adapt[%p] port[%d]\n", + __FUNCTION__, adapter->netdev->name, jiffies, smp_processor_id(), + adapter->netdev, adapter, adapter->port); + + netif_stop_queue(adapter->netdev); + + spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags); + if (!adapter->activated) { + sxg_global.num_sxg_ports_active++; + adapter->activated = 1; + } + + // Initialize the adapter + DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __FUNCTION__); + status = sxg_initialize_adapter(adapter); + DBG_ERROR("sxg: %s EXIT sxg_initialize_adapter status[%x]\n", + __FUNCTION__, status); + + if (status == STATUS_SUCCESS) { + DBG_ERROR("sxg: %s ENTER sxg_if_init\n", __FUNCTION__); + status = sxg_if_init(adapter); + DBG_ERROR("sxg: %s EXIT sxg_if_init status[%x]\n", __FUNCTION__, + status); + } + + if (status != STATUS_SUCCESS) { + if (adapter->activated) { + sxg_global.num_sxg_ports_active--; + adapter->activated = 0; + } + spin_unlock_irqrestore(&sxg_global.driver_lock, + sxg_global.flags); + return (status); + } + DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __FUNCTION__); + + // Enable interrupts + SXG_ENABLE_ALL_INTERRUPTS(adapter); + + DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__); + + spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + return STATUS_SUCCESS; +} + +static void __devexit sxg_entry_remove(struct pci_dev *pcidev) +{ + p_net_device dev = pci_get_drvdata(pcidev); + u32 mmio_start = 0; + unsigned int mmio_len = 0; + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + + ASSERT(adapter); + DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __FUNCTION__, dev, + adapter); + sxg_deregister_interrupt(adapter); + sxg_unmap_mmio_space(adapter); + DBG_ERROR("sxg: %s unregister_netdev\n", __FUNCTION__); + unregister_netdev(dev); + + mmio_start = pci_resource_start(pcidev, 0); + mmio_len = pci_resource_len(pcidev, 0); + + DBG_ERROR("sxg: %s rel_region(0) start[%x] len[%x]\n", __FUNCTION__, + mmio_start, mmio_len); + release_mem_region(mmio_start, mmio_len); + + DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __FUNCTION__, + (unsigned int) dev->base_addr); + iounmap((char *)dev->base_addr); + + DBG_ERROR("sxg: %s deallocate device\n", __FUNCTION__); + kfree(dev); + DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__); +} + +static int sxg_entry_halt(p_net_device dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + + spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags); + DBG_ERROR("sxg: %s (%s) ENTER\n", __FUNCTION__, dev->name); + + netif_stop_queue(adapter->netdev); + adapter->state = ADAPT_DOWN; + adapter->linkstate = LINK_DOWN; + adapter->devflags_prev = 0; + DBG_ERROR("sxg: %s (%s) set adapter[%p] state to ADAPT_DOWN(%d)\n", + __FUNCTION__, dev->name, adapter, adapter->state); + + DBG_ERROR("sxg: %s (%s) EXIT\n", __FUNCTION__, dev->name); + DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__); + spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + return (STATUS_SUCCESS); +} + +static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd) +{ + ASSERT(rq); +// DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __FUNCTION__, cmd, rq, dev); + switch (cmd) { + case SIOCSLICSETINTAGG: + { +// p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + u32 data[7]; + u32 intagg; + + if (copy_from_user(data, rq->ifr_data, 28)) { + DBG_ERROR + ("copy_from_user FAILED getting initial params\n"); + return -EFAULT; + } + intagg = data[0]; + printk(KERN_EMERG + "%s: set interrupt aggregation to %d\n", + __FUNCTION__, intagg); + return 0; + } + + default: +// DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __FUNCTION__, cmd); + return -EOPNOTSUPP; + } + return 0; +} + +#define NORMAL_ETHFRAME 0 + +/* + * + * sxg_send_packets - Send a skb packet + * + * Arguments: + * skb - The packet to send + * dev - Our linux net device that refs our adapter + * + * Return: + * 0 regardless of outcome XXXTODO refer to e1000 driver + */ +static int sxg_send_packets(struct sk_buff *skb, p_net_device dev) +{ + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + u32 status = STATUS_SUCCESS; + + DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __FUNCTION__, + skb); + // Check the adapter state + switch (adapter->State) { + case SXG_STATE_INITIALIZING: + case SXG_STATE_HALTED: + case SXG_STATE_SHUTDOWN: + ASSERT(0); // unexpected + // fall through + case SXG_STATE_RESETTING: + case SXG_STATE_SLEEP: + case SXG_STATE_BOOTDIAG: + case SXG_STATE_DIAG: + case SXG_STATE_HALTING: + status = STATUS_FAILURE; + break; + case SXG_STATE_RUNNING: + if (adapter->LinkState != SXG_LINK_UP) { + status = STATUS_FAILURE; + } + break; + default: + ASSERT(0); + status = STATUS_FAILURE; + } + if (status != STATUS_SUCCESS) { + goto xmit_fail; + } + // send a packet + status = sxg_transmit_packet(adapter, skb); + if (status == STATUS_SUCCESS) { + goto xmit_done; + } + + xmit_fail: + // reject & complete all the packets if they cant be sent + if (status != STATUS_SUCCESS) { +#if XXXTODO +// sxg_send_packets_fail(adapter, skb, status); +#else + SXG_DROP_DUMB_SEND(adapter, skb); + adapter->stats.tx_dropped++; +#endif + } + DBG_ERROR("sxg: %s EXIT sxg_send_packets status[%x]\n", __FUNCTION__, + status); + + xmit_done: + return 0; +} + +/* + * sxg_transmit_packet + * + * This function transmits a single packet. + * + * Arguments - + * adapter - Pointer to our adapter structure + * skb - The packet to be sent + * + * Return - + * STATUS of send + */ +static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb) +{ + PSCATTER_GATHER_LIST pSgl; + PSXG_SCATTER_GATHER SxgSgl; + void * SglBuffer; + u32 SglBufferLength; + + // The vast majority of work is done in the shared + // sxg_dumb_sgl routine. + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSend", + adapter, skb, 0, 0); + + // Allocate a SGL buffer + SXG_GET_SGL_BUFFER(adapter, SxgSgl); + if (!SxgSgl) { + adapter->Stats.NoSglBuf++; + adapter->Stats.XmtErrors++; + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "SndPktF1", + adapter, skb, 0, 0); + return (STATUS_RESOURCES); + } + ASSERT(SxgSgl->adapter == adapter); + SglBuffer = SXG_SGL_BUFFER(SxgSgl); + SglBufferLength = SXG_SGL_BUF_SIZE; + SxgSgl->VlanTag.VlanTci = 0; + SxgSgl->VlanTag.VlanTpid = 0; + SxgSgl->Type = SXG_SGL_DUMB; + SxgSgl->DumbPacket = skb; + pSgl = NULL; + + // Call the common sxg_dumb_sgl routine to complete the send. + sxg_dumb_sgl(pSgl, SxgSgl); + // Return success sxg_dumb_sgl (or something later) will complete it. + return (STATUS_SUCCESS); +} + +/* + * sxg_dumb_sgl + * + * Arguments: + * pSgl - + * SxgSgl - SXG_SCATTER_GATHER + * + * Return Value: + * None. + */ +static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) +{ + p_adapter_t adapter = SxgSgl->adapter; + struct sk_buff *skb = SxgSgl->DumbPacket; + // For now, all dumb-nic sends go on RSS queue zero + PSXG_XMT_RING XmtRing = &adapter->XmtRings[0]; + PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo; + PSXG_CMD XmtCmd = NULL; +// u32 Index = 0; + u32 DataLength = skb->len; +// unsigned int BufLen; +// u32 SglOffset; + u64 phys_addr; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl", + pSgl, SxgSgl, 0, 0); + + // Set aside a pointer to the sgl + SxgSgl->pSgl = pSgl; + + // Sanity check that our SGL format is as we expect. + ASSERT(sizeof(SXG_X64_SGE) == sizeof(SCATTER_GATHER_ELEMENT)); + // Shouldn't be a vlan tag on this frame + ASSERT(SxgSgl->VlanTag.VlanTci == 0); + ASSERT(SxgSgl->VlanTag.VlanTpid == 0); + + // From here below we work with the SGL placed in our + // buffer. + + SxgSgl->Sgl.NumberOfElements = 1; + + // Grab the spinlock and acquire a command + spin_lock(&adapter->XmtZeroLock); + SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl); + if (XmtCmd == NULL) { + // Call sxg_complete_slow_send to see if we can + // free up any XmtRingZero entries and then try again + spin_unlock(&adapter->XmtZeroLock); + sxg_complete_slow_send(adapter); + spin_lock(&adapter->XmtZeroLock); + SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl); + if (XmtCmd == NULL) { + adapter->Stats.XmtZeroFull++; + goto abortcmd; + } + } + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbCmd", + XmtCmd, XmtRingInfo->Head, XmtRingInfo->Tail, 0); + // Update stats + adapter->Stats.DumbXmtPkts++; + adapter->Stats.DumbXmtBytes += DataLength; +#if XXXTODO // Stats stuff + if (SXG_MULTICAST_PACKET(EtherHdr)) { + if (SXG_BROADCAST_PACKET(EtherHdr)) { + adapter->Stats.DumbXmtBcastPkts++; + adapter->Stats.DumbXmtBcastBytes += DataLength; + } else { + adapter->Stats.DumbXmtMcastPkts++; + adapter->Stats.DumbXmtMcastBytes += DataLength; + } + } else { + adapter->Stats.DumbXmtUcastPkts++; + adapter->Stats.DumbXmtUcastBytes += DataLength; + } +#endif + // Fill in the command + // Copy out the first SGE to the command and adjust for offset + phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, PCI_DMA_TODEVICE); + XmtCmd->Buffer.FirstSgeAddress = SXG_GET_ADDR_HIGH(phys_addr); + XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32; + XmtCmd->Buffer.FirstSgeAddress = + XmtCmd->Buffer.FirstSgeAddress | SXG_GET_ADDR_LOW(phys_addr); +// XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address; +// XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset; + XmtCmd->Buffer.FirstSgeLength = DataLength; + // Set a pointer to the remaining SGL entries +// XmtCmd->Sgl = SxgSgl->PhysicalAddress; + // Advance the physical address of the SxgSgl structure to + // the second SGE +// SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) - +// (u32 *)SxgSgl); +// XmtCmd->Sgl.LowPart += SglOffset; + XmtCmd->Buffer.SgeOffset = 0; + // Note - TotalLength might be overwritten with MSS below.. + XmtCmd->Buffer.TotalLength = DataLength; + XmtCmd->SgEntries = 1; //(ushort)(SxgSgl->Sgl.NumberOfElements - Index); + XmtCmd->Flags = 0; + // + // Advance transmit cmd descripter by 1. + // NOTE - See comments in SxgTcpOutput where we write + // to the XmtCmd register regarding CPU ID values and/or + // multiple commands. + // + // + WRITE_REG(adapter->UcodeRegs[0].XmtCmd, 1, TRUE); + // + // + adapter->Stats.XmtQLen++; // Stats within lock + spin_unlock(&adapter->XmtZeroLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2", + XmtCmd, pSgl, SxgSgl, 0); + return; + + abortcmd: + // NOTE - Only jump to this label AFTER grabbing the + // XmtZeroLock, and DO NOT DROP IT between the + // command allocation and the following abort. + if (XmtCmd) { + SXG_ABORT_CMD(XmtRingInfo); + } + spin_unlock(&adapter->XmtZeroLock); + +// failsgl: + // Jump to this label if failure occurs before the + // XmtZeroLock is grabbed + adapter->Stats.XmtErrors++; + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumSGFal", + pSgl, SxgSgl, XmtRingInfo->Head, XmtRingInfo->Tail); + + SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket); // SxgSgl->DumbPacket is the skb +} + +/*************************************************************** + * Link management functions + ***************************************************************/ + +/* + * sxg_initialize_link - Initialize the link stuff + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * status + */ +static int sxg_initialize_link(p_adapter_t adapter) +{ + PSXG_HW_REGS HwRegs = adapter->HwRegs; + u32 Value; + u32 ConfigData; + u32 MaxFrame; + int status; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitLink", + adapter, 0, 0, 0); + + // Reset PHY and XGXS module + WRITE_REG(HwRegs->LinkStatus, LS_SERDES_POWER_DOWN, TRUE); + + // Reset transmit configuration register + WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_RESET, TRUE); + + // Reset receive configuration register + WRITE_REG(HwRegs->RcvConfig, RCV_CONFIG_RESET, TRUE); + + // Reset all MAC modules + WRITE_REG(HwRegs->MacConfig0, AXGMAC_CFG0_SUB_RESET, TRUE); + + // Link address 0 + // XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f) + // is stored with the first nibble (0a) in the byte 0 + // of the Mac address. Possibly reverse? + Value = *(u32 *) adapter->MacAddr; + WRITE_REG(HwRegs->LinkAddress0Low, Value, TRUE); + // also write the MAC address to the MAC. Endian is reversed. + WRITE_REG(HwRegs->MacAddressLow, ntohl(Value), TRUE); + Value = (*(u16 *) & adapter->MacAddr[4] & 0x0000FFFF); + WRITE_REG(HwRegs->LinkAddress0High, Value | LINK_ADDRESS_ENABLE, TRUE); + // endian swap for the MAC (put high bytes in bits [31:16], swapped) + Value = ntohl(Value); + WRITE_REG(HwRegs->MacAddressHigh, Value, TRUE); + // Link address 1 + WRITE_REG(HwRegs->LinkAddress1Low, 0, TRUE); + WRITE_REG(HwRegs->LinkAddress1High, 0, TRUE); + // Link address 2 + WRITE_REG(HwRegs->LinkAddress2Low, 0, TRUE); + WRITE_REG(HwRegs->LinkAddress2High, 0, TRUE); + // Link address 3 + WRITE_REG(HwRegs->LinkAddress3Low, 0, TRUE); + WRITE_REG(HwRegs->LinkAddress3High, 0, TRUE); + + // Enable MAC modules + WRITE_REG(HwRegs->MacConfig0, 0, TRUE); + + // Configure MAC + WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE | // Allow sending of pause + AXGMAC_CFG1_XMT_EN | // Enable XMT + AXGMAC_CFG1_RCV_PAUSE | // Enable detection of pause + AXGMAC_CFG1_RCV_EN | // Enable receive + AXGMAC_CFG1_SHORT_ASSERT | // short frame detection + AXGMAC_CFG1_CHECK_LEN | // Verify frame length + AXGMAC_CFG1_GEN_FCS | // Generate FCS + AXGMAC_CFG1_PAD_64), // Pad frames to 64 bytes + TRUE); + + // Set AXGMAC max frame length if jumbo. Not needed for standard MTU + if (adapter->JumboEnabled) { + WRITE_REG(HwRegs->MacMaxFrameLen, AXGMAC_MAXFRAME_JUMBO, TRUE); + } + // AMIIM Configuration Register - + // The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion + // (bottom bits) of this register is used to determine the + // MDC frequency as specified in the A-XGMAC Design Document. + // This value must not be zero. The following value (62 or 0x3E) + // is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz. + // Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec), + // we get: 312.5/(2*(X+1)) < 2.5 ==> X = 62. + // This value happens to be the default value for this register, + // so we really don't have to do this. + WRITE_REG(HwRegs->MacAmiimConfig, 0x0000003E, TRUE); + + // Power up and enable PHY and XAUI/XGXS/Serdes logic + WRITE_REG(HwRegs->LinkStatus, + (LS_PHY_CLR_RESET | + LS_XGXS_ENABLE | + LS_XGXS_CTL | LS_PHY_CLK_EN | LS_ATTN_ALARM), TRUE); + DBG_ERROR("After Power Up and enable PHY in sxg_initialize_link\n"); + + // Per information given by Aeluros, wait 100 ms after removing reset. + // It's not enough to wait for the self-clearing reset bit in reg 0 to clear. + mdelay(100); + + // Verify the PHY has come up by checking that the Reset bit has cleared. + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + PHY_PMA_CONTROL1, // PMA/PMD control register + &Value); + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + if (Value & PMA_CONTROL1_RESET) // reset complete if bit is 0 + return (STATUS_FAILURE); + + // The SERDES should be initialized by now - confirm + READ_REG(HwRegs->LinkStatus, Value); + if (Value & LS_SERDES_DOWN) // verify SERDES is initialized + return (STATUS_FAILURE); + + // The XAUI link should also be up - confirm + if (!(Value & LS_XAUI_LINK_UP)) // verify XAUI link is up + return (STATUS_FAILURE); + + // Initialize the PHY + status = sxg_phy_init(adapter); + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + + // Enable the Link Alarm + status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + LASI_CONTROL, // LASI control register + LASI_CTL_LS_ALARM_ENABLE); // enable link alarm bit + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + + // XXXTODO - temporary - verify bit is set + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + LASI_CONTROL, // LASI control register + &Value); + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + if (!(Value & LASI_CTL_LS_ALARM_ENABLE)) { + DBG_ERROR("Error! LASI Control Alarm Enable bit not set!\n"); + } + // Enable receive + MaxFrame = adapter->JumboEnabled ? JUMBOMAXFRAME : ETHERMAXFRAME; + ConfigData = (RCV_CONFIG_ENABLE | + RCV_CONFIG_ENPARSE | + RCV_CONFIG_RCVBAD | + RCV_CONFIG_RCVPAUSE | + RCV_CONFIG_TZIPV6 | + RCV_CONFIG_TZIPV4 | + RCV_CONFIG_HASH_16 | + RCV_CONFIG_SOCKET | RCV_CONFIG_BUFSIZE(MaxFrame)); + WRITE_REG(HwRegs->RcvConfig, ConfigData, TRUE); + + WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_ENABLE, TRUE); + + // Mark the link as down. We'll get a link event when it comes up. + sxg_link_state(adapter, SXG_LINK_DOWN); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInitLnk", + adapter, 0, 0, 0); + return (STATUS_SUCCESS); +} + +/* + * sxg_phy_init - Initialize the PHY + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * status + */ +static int sxg_phy_init(p_adapter_t adapter) +{ + u32 Value; + PPHY_UCODE p; + int status; + + DBG_ERROR("ENTER %s\n", __FUNCTION__); + + // Read a register to identify the PHY type + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + 0xC205, // PHY ID register (?) + &Value); // XXXTODO - add def + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + + if (Value == 0x0012) { // 0x0012 == AEL2005C PHY(?) - XXXTODO - add def + DBG_ERROR + ("AEL2005C PHY detected. Downloading PHY microcode.\n"); + + // Initialize AEL2005C PHY and download PHY microcode + for (p = PhyUcode; p->Addr != 0xFFFF; p++) { + if (p->Addr == 0) { + // if address == 0, data == sleep time in ms + mdelay(p->Data); + } else { + // write the given data to the specified address + status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + p->Addr, // PHY address + p->Data); // PHY data + if (status != STATUS_SUCCESS) + return (STATUS_FAILURE); + } + } + } + DBG_ERROR("EXIT %s\n", __FUNCTION__); + + return (STATUS_SUCCESS); +} + +/* + * sxg_link_event - Process a link event notification from the card + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * None + */ +static void sxg_link_event(p_adapter_t adapter) +{ + PSXG_HW_REGS HwRegs = adapter->HwRegs; + SXG_LINK_STATE LinkState; + int status; + u32 Value; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "LinkEvnt", + adapter, 0, 0, 0); + DBG_ERROR("ENTER %s\n", __FUNCTION__); + + // Check the Link Status register. We should have a Link Alarm. + READ_REG(HwRegs->LinkStatus, Value); + if (Value & LS_LINK_ALARM) { + // We got a Link Status alarm. First, pause to let the + // link state settle (it can bounce a number of times) + mdelay(10); + + // Now clear the alarm by reading the LASI status register. + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + LASI_STATUS, // LASI status register + &Value); + if (status != STATUS_SUCCESS) { + DBG_ERROR("Error reading LASI Status MDIO register!\n"); + sxg_link_state(adapter, SXG_LINK_DOWN); +// ASSERT(0); + } + ASSERT(Value & LASI_STATUS_LS_ALARM); + + // Now get and set the link state + LinkState = sxg_get_link_state(adapter); + sxg_link_state(adapter, LinkState); + DBG_ERROR("SXG: Link Alarm occurred. Link is %s\n", + ((LinkState == SXG_LINK_UP) ? "UP" : "DOWN")); + } else { + // XXXTODO - Assuming Link Attention is only being generated for the + // Link Alarm pin (and not for a XAUI Link Status change), then it's + // impossible to get here. Yet we've gotten here twice (under extreme + // conditions - bouncing the link up and down many times a second). + // Needs further investigation. + DBG_ERROR("SXG: sxg_link_event: Can't get here!\n"); + DBG_ERROR("SXG: Link Status == 0x%08X.\n", Value); +// ASSERT(0); + } + DBG_ERROR("EXIT %s\n", __FUNCTION__); + +} + +/* + * sxg_get_link_state - Determine if the link is up or down + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * Link State + */ +static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter) +{ + int status; + u32 Value; + + DBG_ERROR("ENTER %s\n", __FUNCTION__); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "GetLink", + adapter, 0, 0, 0); + + // Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if + // the following 3 bits (from 3 different MDIO registers) are all true. + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA, // PHY PMA/PMD module + PHY_PMA_RCV_DET, // PMA/PMD Receive Signal Detect register + &Value); + if (status != STATUS_SUCCESS) + goto bad; + + // If PMA/PMD receive signal detect is 0, then the link is down + if (!(Value & PMA_RCV_DETECT)) + return (SXG_LINK_DOWN); + + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS, // PHY PCS module + PHY_PCS_10G_STATUS1, // PCS 10GBASE-R Status 1 register + &Value); + if (status != STATUS_SUCCESS) + goto bad; + + // If PCS is not locked to receive blocks, then the link is down + if (!(Value & PCS_10B_BLOCK_LOCK)) + return (SXG_LINK_DOWN); + + status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS, // PHY XS module + PHY_XS_LANE_STATUS, // XS Lane Status register + &Value); + if (status != STATUS_SUCCESS) + goto bad; + + // If XS transmit lanes are not aligned, then the link is down + if (!(Value & XS_LANE_ALIGN)) + return (SXG_LINK_DOWN); + + // All 3 bits are true, so the link is up + DBG_ERROR("EXIT %s\n", __FUNCTION__); + + return (SXG_LINK_UP); + + bad: + // An error occurred reading an MDIO register. This shouldn't happen. + DBG_ERROR("Error reading an MDIO register!\n"); + ASSERT(0); + return (SXG_LINK_DOWN); +} + +static void sxg_indicate_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState) +{ + if (adapter->LinkState == SXG_LINK_UP) { + DBG_ERROR("%s: LINK now UP, call netif_start_queue\n", + __FUNCTION__); + netif_start_queue(adapter->netdev); + } else { + DBG_ERROR("%s: LINK now DOWN, call netif_stop_queue\n", + __FUNCTION__); + netif_stop_queue(adapter->netdev); + } +} + +/* + * sxg_link_state - Set the link state and if necessary, indicate. + * This routine the central point of processing for all link state changes. + * Nothing else in the driver should alter the link state or perform + * link state indications + * + * Arguments - + * adapter - A pointer to our adapter structure + * LinkState - The link state + * + * Return + * None + */ +static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState) +{ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "LnkINDCT", + adapter, LinkState, adapter->LinkState, adapter->State); + + DBG_ERROR("ENTER %s\n", __FUNCTION__); + + // Hold the adapter lock during this routine. Maybe move + // the lock to the caller. + spin_lock(&adapter->AdapterLock); + if (LinkState == adapter->LinkState) { + // Nothing changed.. + spin_unlock(&adapter->AdapterLock); + DBG_ERROR("EXIT #0 %s\n", __FUNCTION__); + return; + } + // Save the adapter state + adapter->LinkState = LinkState; + + // Drop the lock and indicate link state + spin_unlock(&adapter->AdapterLock); + DBG_ERROR("EXIT #1 %s\n", __FUNCTION__); + + sxg_indicate_link_state(adapter, LinkState); +} + +/* + * sxg_write_mdio_reg - Write to a register on the MDIO bus + * + * Arguments - + * adapter - A pointer to our adapter structure + * DevAddr - MDIO device number being addressed + * RegAddr - register address for the specified MDIO device + * Value - value to write to the MDIO register + * + * Return + * status + */ +static int sxg_write_mdio_reg(p_adapter_t adapter, + u32 DevAddr, u32 RegAddr, u32 Value) +{ + PSXG_HW_REGS HwRegs = adapter->HwRegs; + u32 AddrOp; // Address operation (written to MIIM field reg) + u32 WriteOp; // Write operation (written to MIIM field reg) + u32 Cmd; // Command (written to MIIM command reg) + u32 ValueRead; + u32 Timeout; + +// DBG_ERROR("ENTER %s\n", __FUNCTION__); + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO", + adapter, 0, 0, 0); + + // Ensure values don't exceed field width + DevAddr &= 0x001F; // 5-bit field + RegAddr &= 0xFFFF; // 16-bit field + Value &= 0xFFFF; // 16-bit field + + // Set MIIM field register bits for an MIIM address operation + AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | + (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | + (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | + (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr; + + // Set MIIM field register bits for an MIIM write operation + WriteOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | + (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | + (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | + (MIIM_OP_WRITE << AXGMAC_AMIIM_FIELD_OP_SHIFT) | Value; + + // Set MIIM command register bits to execute an MIIM command + Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION; + + // Reset the command register command bit (in case it's not 0) + WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); + + // MIIM write to set the address of the specified MDIO register + WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE); + + // Write to MIIM Command Register to execute to address operation + WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); + + // Poll AMIIM Indicator register to wait for completion + Timeout = SXG_LINK_TIMEOUT; + do { + udelay(100); // Timeout in 100us units + READ_REG(HwRegs->MacAmiimIndicator, ValueRead); + if (--Timeout == 0) { + return (STATUS_FAILURE); + } + } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); + + // Reset the command register command bit + WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); + + // MIIM write to set up an MDIO write operation + WRITE_REG(HwRegs->MacAmiimField, WriteOp, TRUE); + + // Write to MIIM Command Register to execute the write operation + WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); + + // Poll AMIIM Indicator register to wait for completion + Timeout = SXG_LINK_TIMEOUT; + do { + udelay(100); // Timeout in 100us units + READ_REG(HwRegs->MacAmiimIndicator, ValueRead); + if (--Timeout == 0) { + return (STATUS_FAILURE); + } + } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); + +// DBG_ERROR("EXIT %s\n", __FUNCTION__); + + return (STATUS_SUCCESS); +} + +/* + * sxg_read_mdio_reg - Read a register on the MDIO bus + * + * Arguments - + * adapter - A pointer to our adapter structure + * DevAddr - MDIO device number being addressed + * RegAddr - register address for the specified MDIO device + * pValue - pointer to where to put data read from the MDIO register + * + * Return + * status + */ +static int sxg_read_mdio_reg(p_adapter_t adapter, + u32 DevAddr, u32 RegAddr, u32 * pValue) +{ + PSXG_HW_REGS HwRegs = adapter->HwRegs; + u32 AddrOp; // Address operation (written to MIIM field reg) + u32 ReadOp; // Read operation (written to MIIM field reg) + u32 Cmd; // Command (written to MIIM command reg) + u32 ValueRead; + u32 Timeout; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO", + adapter, 0, 0, 0); +// DBG_ERROR("ENTER %s\n", __FUNCTION__); + + // Ensure values don't exceed field width + DevAddr &= 0x001F; // 5-bit field + RegAddr &= 0xFFFF; // 16-bit field + + // Set MIIM field register bits for an MIIM address operation + AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | + (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | + (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | + (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr; + + // Set MIIM field register bits for an MIIM read operation + ReadOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) | + (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) | + (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) | + (MIIM_OP_READ << AXGMAC_AMIIM_FIELD_OP_SHIFT); + + // Set MIIM command register bits to execute an MIIM command + Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION; + + // Reset the command register command bit (in case it's not 0) + WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); + + // MIIM write to set the address of the specified MDIO register + WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE); + + // Write to MIIM Command Register to execute to address operation + WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); + + // Poll AMIIM Indicator register to wait for completion + Timeout = SXG_LINK_TIMEOUT; + do { + udelay(100); // Timeout in 100us units + READ_REG(HwRegs->MacAmiimIndicator, ValueRead); + if (--Timeout == 0) { + return (STATUS_FAILURE); + } + } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); + + // Reset the command register command bit + WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE); + + // MIIM write to set up an MDIO register read operation + WRITE_REG(HwRegs->MacAmiimField, ReadOp, TRUE); + + // Write to MIIM Command Register to execute the read operation + WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE); + + // Poll AMIIM Indicator register to wait for completion + Timeout = SXG_LINK_TIMEOUT; + do { + udelay(100); // Timeout in 100us units + READ_REG(HwRegs->MacAmiimIndicator, ValueRead); + if (--Timeout == 0) { + return (STATUS_FAILURE); + } + } while (ValueRead & AXGMAC_AMIIM_INDC_BUSY); + + // Read the MDIO register data back from the field register + READ_REG(HwRegs->MacAmiimField, *pValue); + *pValue &= 0xFFFF; // data is in the lower 16 bits + +// DBG_ERROR("EXIT %s\n", __FUNCTION__); + + return (STATUS_SUCCESS); +} + +/* + * Allocate a mcast_address structure to hold the multicast address. + * Link it in. + */ +static int sxg_mcast_add_list(p_adapter_t adapter, char *address) +{ + p_mcast_address_t mcaddr, mlist; + bool equaladdr; + + /* Check to see if it already exists */ + mlist = adapter->mcastaddrs; + while (mlist) { + ETHER_EQ_ADDR(mlist->address, address, equaladdr); + if (equaladdr) { + return (STATUS_SUCCESS); + } + mlist = mlist->next; + } + + /* Doesn't already exist. Allocate a structure to hold it */ + mcaddr = kmalloc(sizeof(mcast_address_t), GFP_ATOMIC); + if (mcaddr == NULL) + return 1; + + memcpy(mcaddr->address, address, 6); + + mcaddr->next = adapter->mcastaddrs; + adapter->mcastaddrs = mcaddr; + + return (STATUS_SUCCESS); +} + +/* + * Functions to obtain the CRC corresponding to the destination mac address. + * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using + * the polynomial: + * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1. + * + * After the CRC for the 6 bytes is generated (but before the value is complemented), + * we must then transpose the value and return bits 30-23. + * + */ +static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */ +static u32 sxg_crc_init; /* Is table initialized */ + +/* + * Contruct the CRC32 table + */ +static void sxg_mcast_init_crc32(void) +{ + u32 c; /* CRC shit reg */ + u32 e = 0; /* Poly X-or pattern */ + int i; /* counter */ + int k; /* byte being shifted into crc */ + + static int p[] = { 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26 }; + + for (i = 0; i < sizeof(p) / sizeof(int); i++) { + e |= 1L << (31 - p[i]); + } + + for (i = 1; i < 256; i++) { + c = i; + for (k = 8; k; k--) { + c = c & 1 ? (c >> 1) ^ e : c >> 1; + } + sxg_crc_table[i] = c; + } +} + +/* + * Return the MAC hast as described above. + */ +static unsigned char sxg_mcast_get_mac_hash(char *macaddr) +{ + u32 crc; + char *p; + int i; + unsigned char machash = 0; + + if (!sxg_crc_init) { + sxg_mcast_init_crc32(); + sxg_crc_init = 1; + } + + crc = 0xFFFFFFFF; /* Preload shift register, per crc-32 spec */ + for (i = 0, p = macaddr; i < 6; ++p, ++i) { + crc = (crc >> 8) ^ sxg_crc_table[(crc ^ *p) & 0xFF]; + } + + /* Return bits 1-8, transposed */ + for (i = 1; i < 9; i++) { + machash |= (((crc >> i) & 1) << (8 - i)); + } + + return (machash); +} + +static void sxg_mcast_set_bit(p_adapter_t adapter, char *address) +{ + unsigned char crcpoly; + + /* Get the CRC polynomial for the mac address */ + crcpoly = sxg_mcast_get_mac_hash(address); + + /* We only have space on the SLIC for 64 entries. Lop + * off the top two bits. (2^6 = 64) + */ + crcpoly &= 0x3F; + + /* OR in the new bit into our 64 bit mask. */ + adapter->MulticastMask |= (u64) 1 << crcpoly; +} + +static void sxg_mcast_set_list(p_net_device dev) +{ +#if XXXTODO + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + int status = STATUS_SUCCESS; + int i; + char *addresses; + struct dev_mc_list *mc_list = dev->mc_list; + int mc_count = dev->mc_count; + + ASSERT(adapter); + + for (i = 1; i <= mc_count; i++) { + addresses = (char *) & mc_list->dmi_addr; + if (mc_list->dmi_addrlen == 6) { + status = sxg_mcast_add_list(adapter, addresses); + if (status != STATUS_SUCCESS) { + break; + } + } else { + status = -EINVAL; + break; + } + sxg_mcast_set_bit(adapter, addresses); + mc_list = mc_list->next; + } + + DBG_ERROR("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n", + __FUNCTION__, adapter->devflags_prev, dev->flags, status); + if (adapter->devflags_prev != dev->flags) { + adapter->macopts = MAC_DIRECTED; + if (dev->flags) { + if (dev->flags & IFF_BROADCAST) { + adapter->macopts |= MAC_BCAST; + } + if (dev->flags & IFF_PROMISC) { + adapter->macopts |= MAC_PROMISC; + } + if (dev->flags & IFF_ALLMULTI) { + adapter->macopts |= MAC_ALLMCAST; + } + if (dev->flags & IFF_MULTICAST) { + adapter->macopts |= MAC_MCAST; + } + } + adapter->devflags_prev = dev->flags; + DBG_ERROR("%s call sxg_config_set adapter->macopts[%x]\n", + __FUNCTION__, adapter->macopts); + sxg_config_set(adapter, TRUE); + } else { + if (status == STATUS_SUCCESS) { + sxg_mcast_set_mask(adapter); + } + } +#endif + return; +} + +static void sxg_mcast_set_mask(p_adapter_t adapter) +{ + PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs; + + DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __FUNCTION__, + adapter->netdev->name, (unsigned int) adapter->MacFilter, + adapter->MulticastMask); + + if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) { + /* Turn on all multicast addresses. We have to do this for promiscuous + * mode as well as ALLMCAST mode. It saves the Microcode from having + * to keep state about the MAC configuration. + */ +// DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n SLUT MODE!!!\n",__FUNCTION__); + WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH); + WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH); +// DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__FUNCTION__, adapter->netdev->name); + + } else { + /* Commit our multicast mast to the SLIC by writing to the multicast + * address mask registers + */ + DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n", + __FUNCTION__, adapter->netdev->name, + ((ulong) (adapter->MulticastMask & 0xFFFFFFFF)), + ((ulong) + ((adapter->MulticastMask >> 32) & 0xFFFFFFFF))); + + WRITE_REG(sxg_regs->McastLow, + (u32) (adapter->MulticastMask & 0xFFFFFFFF), + FLUSH); + WRITE_REG(sxg_regs->McastHigh, + (u32) ((adapter-> + MulticastMask >> 32) & 0xFFFFFFFF), + FLUSH); + } +} + +static void sxg_unmap_mmio_space(p_adapter_t adapter) +{ +#if LINUX_FREES_ADAPTER_RESOURCES +// if (adapter->Regs) { +// iounmap(adapter->Regs); +// } +// adapter->slic_regs = NULL; +#endif +} + +#if XXXTODO +/* + * SxgFreeResources - Free everything allocated in SxgAllocateResources + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * none + */ +void SxgFreeResources(p_adapter_t adapter) +{ + u32 RssIds, IsrCount; + PTCP_OBJECT TcpObject; + u32 i; + BOOLEAN TimerCancelled; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FreeRes", + adapter, adapter->MaxTcbs, 0, 0); + + RssIds = SXG_RSS_CPU_COUNT(adapter); + IsrCount = adapter->MsiEnabled ? RssIds : 1; + + if (adapter->BasicAllocations == FALSE) { + // No allocations have been made, including spinlocks, + // or listhead initializations. Return. + return; + } + + if (!(IsListEmpty(&adapter->AllRcvBlocks))) { + SxgFreeRcvBlocks(adapter); + } + if (!(IsListEmpty(&adapter->AllSglBuffers))) { + SxgFreeSglBuffers(adapter); + } + // Free event queues. + if (adapter->EventRings) { + pci_free_consistent(adapter->pcidev, + sizeof(SXG_EVENT_RING) * RssIds, + adapter->EventRings, adapter->PEventRings); + } + if (adapter->Isr) { + pci_free_consistent(adapter->pcidev, + sizeof(u32) * IsrCount, + adapter->Isr, adapter->PIsr); + } + if (adapter->XmtRingZeroIndex) { + pci_free_consistent(adapter->pcidev, + sizeof(u32), + adapter->XmtRingZeroIndex, + adapter->PXmtRingZeroIndex); + } + if (adapter->IndirectionTable) { + pci_free_consistent(adapter->pcidev, + SXG_MAX_RSS_TABLE_SIZE, + adapter->IndirectionTable, + adapter->PIndirectionTable); + } + + SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle); + SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle); + + // Unmap register spaces + SxgUnmapResources(adapter); + + // Deregister DMA + if (adapter->DmaHandle) { + SXG_DEREGISTER_DMA(adapter->DmaHandle); + } + // Deregister interrupt + SxgDeregisterInterrupt(adapter); + + // Possibly free system info (5.2 only) + SXG_RELEASE_SYSTEM_INFO(adapter); + + SxgDiagFreeResources(adapter); + + SxgFreeMCastAddrs(adapter); + + if (SXG_TIMER_ALLOCATED(adapter->ResetTimer)) { + SXG_CANCEL_TIMER(adapter->ResetTimer, TimerCancelled); + SXG_FREE_TIMER(adapter->ResetTimer); + } + if (SXG_TIMER_ALLOCATED(adapter->RssTimer)) { + SXG_CANCEL_TIMER(adapter->RssTimer, TimerCancelled); + SXG_FREE_TIMER(adapter->RssTimer); + } + if (SXG_TIMER_ALLOCATED(adapter->OffloadTimer)) { + SXG_CANCEL_TIMER(adapter->OffloadTimer, TimerCancelled); + SXG_FREE_TIMER(adapter->OffloadTimer); + } + + adapter->BasicAllocations = FALSE; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes", + adapter, adapter->MaxTcbs, 0, 0); +} +#endif + +/* + * sxg_allocate_complete - + * + * This routine is called when a memory allocation has completed. + * + * Arguments - + * p_adapter_t - Our adapter structure + * VirtualAddress - Memory virtual address + * PhysicalAddress - Memory physical address + * Length - Length of memory allocated (or 0) + * Context - The type of buffer allocated + * + * Return + * None. + */ +static void sxg_allocate_complete(p_adapter_t adapter, + void *VirtualAddress, + dma_addr_t PhysicalAddress, + u32 Length, SXG_BUFFER_TYPE Context) +{ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocCmp", + adapter, VirtualAddress, Length, Context); + ASSERT(adapter->AllocationsPending); + --adapter->AllocationsPending; + + switch (Context) { + + case SXG_BUFFER_TYPE_RCV: + sxg_allocate_rcvblock_complete(adapter, + VirtualAddress, + PhysicalAddress, Length); + break; + case SXG_BUFFER_TYPE_SGL: + sxg_allocate_sgl_buffer_complete(adapter, + (PSXG_SCATTER_GATHER) + VirtualAddress, + PhysicalAddress, Length); + break; + } + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlocCmp", + adapter, VirtualAddress, Length, Context); +} + +/* + * sxg_allocate_buffer_memory - Shared memory allocation routine used for + * synchronous and asynchronous buffer allocations + * + * Arguments - + * adapter - A pointer to our adapter structure + * Size - block size to allocate + * BufferType - Type of buffer to allocate + * + * Return + * int + */ +static int sxg_allocate_buffer_memory(p_adapter_t adapter, + u32 Size, SXG_BUFFER_TYPE BufferType) +{ + int status; + void * Buffer; + dma_addr_t pBuffer; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem", + adapter, Size, BufferType, 0); + // Grab the adapter lock and check the state. + // If we're in anything other than INITIALIZING or + // RUNNING state, fail. This is to prevent + // allocations in an improper driver state + spin_lock(&adapter->AdapterLock); + + // Increment the AllocationsPending count while holding + // the lock. Pause processing relies on this + ++adapter->AllocationsPending; + spin_unlock(&adapter->AdapterLock); + + // At initialization time allocate resources synchronously. + Buffer = pci_alloc_consistent(adapter->pcidev, Size, &pBuffer); + if (Buffer == NULL) { + spin_lock(&adapter->AdapterLock); + // Decrement the AllocationsPending count while holding + // the lock. Pause processing relies on this + --adapter->AllocationsPending; + spin_unlock(&adapter->AdapterLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlcMemF1", + adapter, Size, BufferType, 0); + return (STATUS_RESOURCES); + } + sxg_allocate_complete(adapter, Buffer, pBuffer, Size, BufferType); + status = STATUS_SUCCESS; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlocMem", + adapter, Size, BufferType, status); + return (status); +} + +/* + * sxg_allocate_rcvblock_complete - Complete a receive descriptor block allocation + * + * Arguments - + * adapter - A pointer to our adapter structure + * RcvBlock - receive block virtual address + * PhysicalAddress - Physical address + * Length - Memory length + * + * Return + * + */ +static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, + void * RcvBlock, + dma_addr_t PhysicalAddress, u32 Length) +{ + u32 i; + u32 BufferSize = adapter->ReceiveBufferSize; + u64 Paddr; + PSXG_RCV_BLOCK_HDR RcvBlockHdr; + unsigned char *RcvDataBuffer; + PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr; + PSXG_RCV_DESCRIPTOR_BLOCK RcvDescriptorBlock; + PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlRcvBlk", + adapter, RcvBlock, Length, 0); + if (RcvBlock == NULL) { + goto fail; + } + memset(RcvBlock, 0, Length); + ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) || + (BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE)); + ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize)); + // First, initialize the contained pool of receive data + // buffers. This initialization requires NBL/NB/MDL allocations, + // If any of them fail, free the block and return without + // queueing the shared memory + RcvDataBuffer = RcvBlock; +#if 0 + for (i = 0, Paddr = *PhysicalAddress; + i < SXG_RCV_DESCRIPTORS_PER_BLOCK; + i++, Paddr.LowPart += BufferSize, RcvDataBuffer += BufferSize) +#endif + for (i = 0, Paddr = PhysicalAddress; + i < SXG_RCV_DESCRIPTORS_PER_BLOCK; + i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) { + // + RcvDataBufferHdr = + (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer + + SXG_RCV_DATA_BUFFER_HDR_OFFSET + (BufferSize)); + RcvDataBufferHdr->VirtualAddress = RcvDataBuffer; + RcvDataBufferHdr->PhysicalAddress = Paddr; + RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM; // For FREE macro assertion + RcvDataBufferHdr->Size = + SXG_RCV_BUFFER_DATA_SIZE(BufferSize); + + SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr); + if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL) + goto fail; + + } + + // Place this entire block of memory on the AllRcvBlocks queue so it can be + // free later + RcvBlockHdr = + (PSXG_RCV_BLOCK_HDR) ((unsigned char *)RcvBlock + + SXG_RCV_BLOCK_HDR_OFFSET(BufferSize)); + RcvBlockHdr->VirtualAddress = RcvBlock; + RcvBlockHdr->PhysicalAddress = PhysicalAddress; + spin_lock(&adapter->RcvQLock); + adapter->AllRcvBlockCount++; + InsertTailList(&adapter->AllRcvBlocks, &RcvBlockHdr->AllList); + spin_unlock(&adapter->RcvQLock); + + // Now free the contained receive data buffers that we initialized above + RcvDataBuffer = RcvBlock; + for (i = 0, Paddr = PhysicalAddress; + i < SXG_RCV_DESCRIPTORS_PER_BLOCK; + i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) { + RcvDataBufferHdr = (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer + + SXG_RCV_DATA_BUFFER_HDR_OFFSET + (BufferSize)); + spin_lock(&adapter->RcvQLock); + SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); + spin_unlock(&adapter->RcvQLock); + } + + // Locate the descriptor block and put it on a separate free queue + RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock + + SXG_RCV_DESCRIPTOR_BLOCK_OFFSET + (BufferSize)); + RcvDescriptorBlockHdr = + (PSXG_RCV_DESCRIPTOR_BLOCK_HDR) ((unsigned char *)RcvBlock + + SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET + (BufferSize)); + RcvDescriptorBlockHdr->VirtualAddress = RcvDescriptorBlock; + RcvDescriptorBlockHdr->PhysicalAddress = Paddr; + spin_lock(&adapter->RcvQLock); + SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, RcvDescriptorBlockHdr); + spin_unlock(&adapter->RcvQLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlRBlk", + adapter, RcvBlock, Length, 0); + return; + fail: + // Free any allocated resources + if (RcvBlock) { + RcvDataBuffer = RcvBlock; + for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; + i++, RcvDataBuffer += BufferSize) { + RcvDataBufferHdr = + (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer + + SXG_RCV_DATA_BUFFER_HDR_OFFSET + (BufferSize)); + SXG_FREE_RCV_PACKET(RcvDataBufferHdr); + } + pci_free_consistent(adapter->pcidev, + Length, RcvBlock, PhysicalAddress); + } + DBG_ERROR("%s: OUT OF RESOURCES\n", __FUNCTION__); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "RcvAFail", + adapter, adapter->FreeRcvBufferCount, + adapter->FreeRcvBlockCount, adapter->AllRcvBlockCount); + adapter->Stats.NoMem++; +} + +/* + * sxg_allocate_sgl_buffer_complete - Complete a SGL buffer allocation + * + * Arguments - + * adapter - A pointer to our adapter structure + * SxgSgl - SXG_SCATTER_GATHER buffer + * PhysicalAddress - Physical address + * Length - Memory length + * + * Return + * + */ +static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, + PSXG_SCATTER_GATHER SxgSgl, + dma_addr_t PhysicalAddress, u32 Length) +{ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlSglCmp", + adapter, SxgSgl, Length, 0); + spin_lock(&adapter->SglQLock); + adapter->AllSglBufferCount++; + memset(SxgSgl, 0, sizeof(SXG_SCATTER_GATHER)); + SxgSgl->PhysicalAddress = PhysicalAddress; /* *PhysicalAddress; */ + SxgSgl->adapter = adapter; // Initialize backpointer once + InsertTailList(&adapter->AllSglBuffers, &SxgSgl->AllList); + spin_unlock(&adapter->SglQLock); + SxgSgl->State = SXG_BUFFER_BUSY; + SXG_FREE_SGL_BUFFER(adapter, SxgSgl, NULL); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlSgl", + adapter, SxgSgl, Length, 0); +} + +static unsigned char temp_mac_address[6] = { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 }; + +static void sxg_adapter_set_hwaddr(p_adapter_t adapter) +{ +// DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __FUNCTION__, +// card->config_set, adapter->port, adapter->physport, adapter->functionnumber); +// +// sxg_dbg_macaddrs(adapter); + + memcpy(adapter->macaddr, temp_mac_address, sizeof(SXG_CONFIG_MAC)); +// DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __FUNCTION__); +// sxg_dbg_macaddrs(adapter); + if (!(adapter->currmacaddr[0] || + adapter->currmacaddr[1] || + adapter->currmacaddr[2] || + adapter->currmacaddr[3] || + adapter->currmacaddr[4] || adapter->currmacaddr[5])) { + memcpy(adapter->currmacaddr, adapter->macaddr, 6); + } + if (adapter->netdev) { + memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6); + } +// DBG_ERROR ("%s EXIT port %d\n", __FUNCTION__, adapter->port); + sxg_dbg_macaddrs(adapter); + +} + +static int sxg_mac_set_address(p_net_device dev, void * ptr) +{ +#if XXXTODO + p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct sockaddr *addr = ptr; + + DBG_ERROR("%s ENTER (%s)\n", __FUNCTION__, adapter->netdev->name); + + if (netif_running(dev)) { + return -EBUSY; + } + if (!adapter) { + return -EBUSY; + } + DBG_ERROR("sxg: %s (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len); + DBG_ERROR("sxg: %s (%s) new %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", + __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0], + adapter->currmacaddr[1], adapter->currmacaddr[2], + adapter->currmacaddr[3], adapter->currmacaddr[4], + adapter->currmacaddr[5]); + + sxg_config_set(adapter, TRUE); +#endif + return 0; +} + +/*****************************************************************************/ +/************* SXG DRIVER FUNCTIONS (below) ********************************/ +/*****************************************************************************/ + +/* + * sxg_initialize_adapter - Initialize adapter + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * int + */ +static int sxg_initialize_adapter(p_adapter_t adapter) +{ + u32 RssIds, IsrCount; + u32 i; + int status; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitAdpt", + adapter, 0, 0, 0); + + RssIds = 1; // XXXTODO SXG_RSS_CPU_COUNT(adapter); + IsrCount = adapter->MsiEnabled ? RssIds : 1; + + // Sanity check SXG_UCODE_REGS structure definition to + // make sure the length is correct + ASSERT(sizeof(SXG_UCODE_REGS) == SXG_REGISTER_SIZE_PER_CPU); + + // Disable interrupts + SXG_DISABLE_ALL_INTERRUPTS(adapter); + + // Set MTU + ASSERT((adapter->FrameSize == ETHERMAXFRAME) || + (adapter->FrameSize == JUMBOMAXFRAME)); + WRITE_REG(adapter->UcodeRegs[0].LinkMtu, adapter->FrameSize, TRUE); + + // Set event ring base address and size + WRITE_REG64(adapter, + adapter->UcodeRegs[0].EventBase, adapter->PEventRings, 0); + WRITE_REG(adapter->UcodeRegs[0].EventSize, EVENT_RING_SIZE, TRUE); + + // Per-ISR initialization + for (i = 0; i < IsrCount; i++) { + u64 Addr; + // Set interrupt status pointer + Addr = adapter->PIsr + (i * sizeof(u32)); + WRITE_REG64(adapter, adapter->UcodeRegs[i].Isp, Addr, i); + } + + // XMT ring zero index + WRITE_REG64(adapter, + adapter->UcodeRegs[0].SPSendIndex, + adapter->PXmtRingZeroIndex, 0); + + // Per-RSS initialization + for (i = 0; i < RssIds; i++) { + // Release all event ring entries to the Microcode + WRITE_REG(adapter->UcodeRegs[i].EventRelease, EVENT_RING_SIZE, + TRUE); + } + + // Transmit ring base and size + WRITE_REG64(adapter, + adapter->UcodeRegs[0].XmtBase, adapter->PXmtRings, 0); + WRITE_REG(adapter->UcodeRegs[0].XmtSize, SXG_XMT_RING_SIZE, TRUE); + + // Receive ring base and size + WRITE_REG64(adapter, + adapter->UcodeRegs[0].RcvBase, adapter->PRcvRings, 0); + WRITE_REG(adapter->UcodeRegs[0].RcvSize, SXG_RCV_RING_SIZE, TRUE); + + // Populate the card with receive buffers + sxg_stock_rcv_buffers(adapter); + + // Initialize checksum offload capabilities. At the moment + // we always enable IP and TCP receive checksums on the card. + // Depending on the checksum configuration specified by the + // user, we can choose to report or ignore the checksum + // information provided by the card. + WRITE_REG(adapter->UcodeRegs[0].ReceiveChecksum, + SXG_RCV_TCP_CSUM_ENABLED | SXG_RCV_IP_CSUM_ENABLED, TRUE); + + // Initialize the MAC, XAUI + DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __FUNCTION__); + status = sxg_initialize_link(adapter); + DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __FUNCTION__, + status); + if (status != STATUS_SUCCESS) { + return (status); + } + // Initialize Dead to FALSE. + // SlicCheckForHang or SlicDumpThread will take it from here. + adapter->Dead = FALSE; + adapter->PingOutstanding = FALSE; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInit", + adapter, 0, 0, 0); + return (STATUS_SUCCESS); +} + +/* + * sxg_fill_descriptor_block - Populate a descriptor block and give it to + * the card. The caller should hold the RcvQLock + * + * Arguments - + * adapter - A pointer to our adapter structure + * RcvDescriptorBlockHdr - Descriptor block to fill + * + * Return + * status + */ +static int sxg_fill_descriptor_block(p_adapter_t adapter, + PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr) +{ + u32 i; + PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo; + PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr; + PSXG_RCV_DESCRIPTOR_BLOCK RcvDescriptorBlock; + PSXG_CMD RingDescriptorCmd; + PSXG_RCV_RING RingZero = &adapter->RcvRings[0]; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FilBlk", + adapter, adapter->RcvBuffersOnCard, + adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount); + + ASSERT(RcvDescriptorBlockHdr); + + // If we don't have the resources to fill the descriptor block, + // return failure + if ((adapter->FreeRcvBufferCount < SXG_RCV_DESCRIPTORS_PER_BLOCK) || + SXG_RING_FULL(RcvRingInfo)) { + adapter->Stats.NoMem++; + return (STATUS_FAILURE); + } + // Get a ring descriptor command + SXG_GET_CMD(RingZero, + RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr); + ASSERT(RingDescriptorCmd); + RcvDescriptorBlockHdr->State = SXG_BUFFER_ONCARD; + RcvDescriptorBlock = + (PSXG_RCV_DESCRIPTOR_BLOCK) RcvDescriptorBlockHdr->VirtualAddress; + + // Fill in the descriptor block + for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++) { + SXG_GET_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr); + ASSERT(RcvDataBufferHdr); + SXG_REINIATIALIZE_PACKET(RcvDataBufferHdr->SxgDumbRcvPacket); + RcvDataBufferHdr->State = SXG_BUFFER_ONCARD; + RcvDescriptorBlock->Descriptors[i].VirtualAddress = (void *)RcvDataBufferHdr; + RcvDescriptorBlock->Descriptors[i].PhysicalAddress = + RcvDataBufferHdr->PhysicalAddress; + } + // Add the descriptor block to receive descriptor ring 0 + RingDescriptorCmd->Sgl = RcvDescriptorBlockHdr->PhysicalAddress; + + // RcvBuffersOnCard is not protected via the receive lock (see + // sxg_process_event_queue) We don't want to grap a lock every time a + // buffer is returned to us, so we use atomic interlocked functions + // instead. + adapter->RcvBuffersOnCard += SXG_RCV_DESCRIPTORS_PER_BLOCK; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DscBlk", + RcvDescriptorBlockHdr, + RingDescriptorCmd, RcvRingInfo->Head, RcvRingInfo->Tail); + + WRITE_REG(adapter->UcodeRegs[0].RcvCmd, 1, true); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFilBlk", + adapter, adapter->RcvBuffersOnCard, + adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount); + return (STATUS_SUCCESS); +} + +/* + * sxg_stock_rcv_buffers - Stock the card with receive buffers + * + * Arguments - + * adapter - A pointer to our adapter structure + * + * Return + * None + */ +static void sxg_stock_rcv_buffers(p_adapter_t adapter) +{ + PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "StockBuf", + adapter, adapter->RcvBuffersOnCard, + adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount); + // First, see if we've got less than our minimum threshold of + // receive buffers, there isn't an allocation in progress, and + // we haven't exceeded our maximum.. get another block of buffers + // None of this needs to be SMP safe. It's round numbers. + if ((adapter->FreeRcvBufferCount < SXG_MIN_RCV_DATA_BUFFERS) && + (adapter->AllRcvBlockCount < SXG_MAX_RCV_BLOCKS) && + (adapter->AllocationsPending == 0)) { + sxg_allocate_buffer_memory(adapter, + SXG_RCV_BLOCK_SIZE(adapter-> + ReceiveBufferSize), + SXG_BUFFER_TYPE_RCV); + } + // Now grab the RcvQLock lock and proceed + spin_lock(&adapter->RcvQLock); + while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) { + PLIST_ENTRY _ple; + + // Get a descriptor block + RcvDescriptorBlockHdr = NULL; + if (adapter->FreeRcvBlockCount) { + _ple = RemoveHeadList(&adapter->FreeRcvBlocks); + RcvDescriptorBlockHdr = container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR, FreeList); + adapter->FreeRcvBlockCount--; + RcvDescriptorBlockHdr->State = SXG_BUFFER_BUSY; + } + + if (RcvDescriptorBlockHdr == NULL) { + // Bail out.. + adapter->Stats.NoMem++; + break; + } + // Fill in the descriptor block and give it to the card + if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) == + STATUS_FAILURE) { + // Free the descriptor block + SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, + RcvDescriptorBlockHdr); + break; + } + } + spin_unlock(&adapter->RcvQLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFilBlks", + adapter, adapter->RcvBuffersOnCard, + adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount); +} + +/* + * sxg_complete_descriptor_blocks - Return descriptor blocks that have been + * completed by the microcode + * + * Arguments - + * adapter - A pointer to our adapter structure + * Index - Where the microcode is up to + * + * Return + * None + */ +static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index) +{ + PSXG_RCV_RING RingZero = &adapter->RcvRings[0]; + PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo; + PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr; + PSXG_CMD RingDescriptorCmd; + + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlks", + adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail); + + // Now grab the RcvQLock lock and proceed + spin_lock(&adapter->RcvQLock); + ASSERT(Index != RcvRingInfo->Tail); + while (RcvRingInfo->Tail != Index) { + // + // Locate the current Cmd (ring descriptor entry), and + // associated receive descriptor block, and advance + // the tail + // + SXG_RETURN_CMD(RingZero, + RcvRingInfo, + RingDescriptorCmd, RcvDescriptorBlockHdr); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlk", + RcvRingInfo->Head, RcvRingInfo->Tail, + RingDescriptorCmd, RcvDescriptorBlockHdr); + + // Clear the SGL field + RingDescriptorCmd->Sgl = 0; + // Attempt to refill it and hand it right back to the + // card. If we fail to refill it, free the descriptor block + // header. The card will be restocked later via the + // RcvBuffersOnCard test + if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) == + STATUS_FAILURE) { + SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, + RcvDescriptorBlockHdr); + } + } + spin_unlock(&adapter->RcvQLock); + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XCRBlks", + adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail); +} + + +static struct pci_driver sxg_driver = { + .name = DRV_NAME, + .id_table = sxg_pci_tbl, + .probe = sxg_entry_probe, + .remove = sxg_entry_remove, +#if SXG_POWER_MANAGEMENT_ENABLED + .suspend = sxgpm_suspend, + .resume = sxgpm_resume, +#endif +/* .shutdown = slic_shutdown, MOOK_INVESTIGATE */ +}; + +static int __init sxg_module_init(void) +{ + sxg_init_driver(); + + if (debug >= 0) + sxg_debug = debug; + + return pci_register_driver(&sxg_driver); +} + +static void __exit sxg_module_cleanup(void) +{ + pci_unregister_driver(&sxg_driver); +} + +module_init(sxg_module_init); +module_exit(sxg_module_cleanup); diff --git a/drivers/staging/sxg/sxg.h b/drivers/staging/sxg/sxg.h new file mode 100644 index 000000000000..844ca56f2800 --- /dev/null +++ b/drivers/staging/sxg/sxg.h @@ -0,0 +1,773 @@ +/************************************************************************** + * + * Copyright © 2000-2008 Alacritech, Inc. All rights reserved. + * + * $Id: sxg.h,v 1.3 2008/07/24 17:25:08 chris Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: sxg.h + * + * This is the base set of header definitions for the SXG driver. + */ +#ifndef __SXG_DRIVER_H__ +#define __SXG_DRIVER_H__ + +#define p_net_device struct net_device * +// SXG_STATS - Probably move these to someplace where +// the slicstat (sxgstat?) program can get them. +typedef struct _SXG_STATS { + // Xmt + u32 XmtNBL; // Offload send NBL count + u64 DumbXmtBytes; // Dumbnic send bytes + u64 SlowXmtBytes; // Slowpath send bytes + u64 FastXmtBytes; // Fastpath send bytes + u64 DumbXmtPkts; // Dumbnic send packets + u64 SlowXmtPkts; // Slowpath send packets + u64 FastXmtPkts; // Fastpath send packets + u64 DumbXmtUcastPkts; // directed packets + u64 DumbXmtMcastPkts; // Multicast packets + u64 DumbXmtBcastPkts; // OID_GEN_BROADCAST_FRAMES_RCV + u64 DumbXmtUcastBytes; // OID_GEN_DIRECTED_BYTES_XMIT + u64 DumbXmtMcastBytes; // OID_GEN_MULTICAST_BYTES_XMIT + u64 DumbXmtBcastBytes; // OID_GEN_BROADCAST_BYTES_XMIT + u64 XmtErrors; // OID_GEN_XMIT_ERROR + u64 XmtDiscards; // OID_GEN_XMIT_DISCARDS + u64 XmtOk; // OID_GEN_XMIT_OK + u64 XmtQLen; // OID_GEN_TRANSMIT_QUEUE_LENGTH + u64 XmtZeroFull; // Transmit ring zero full + // Rcv + u32 RcvNBL; // Offload recieve NBL count + u64 DumbRcvBytes; // dumbnic recv bytes + u64 DumbRcvUcastBytes; // OID_GEN_DIRECTED_BYTES_RCV + u64 DumbRcvMcastBytes; // OID_GEN_MULTICAST_BYTES_RCV + u64 DumbRcvBcastBytes; // OID_GEN_BROADCAST_BYTES_RCV + u64 SlowRcvBytes; // Slowpath recv bytes + u64 FastRcvBytes; // Fastpath recv bytes + u64 DumbRcvPkts; // OID_GEN_DIRECTED_FRAMES_RCV + u64 DumbRcvTcpPkts; // See SxgCollectStats + u64 DumbRcvUcastPkts; // directed packets + u64 DumbRcvMcastPkts; // Multicast packets + u64 DumbRcvBcastPkts; // OID_GEN_BROADCAST_FRAMES_RCV + u64 SlowRcvPkts; // OID_GEN_DIRECTED_FRAMES_RCV + u64 RcvErrors; // OID_GEN_RCV_ERROR + u64 RcvDiscards; // OID_GEN_RCV_DISCARDS + u64 RcvNoBuffer; // OID_GEN_RCV_NO_BUFFER + u64 PdqFull; // Processed Data Queue Full + u64 EventRingFull; // Event ring full + // Verbose stats + u64 MaxSends; // Max sends outstanding + u64 NoSglBuf; // SGL buffer allocation failure + u64 SglFail; // NDIS SGL failure + u64 SglAsync; // NDIS SGL failure + u64 NoMem; // Memory allocation failure + u64 NumInts; // Interrupts + u64 FalseInts; // Interrupt with ISR == 0 + u64 XmtDrops; // No sahara DRAM buffer for xmt + // Sahara receive status + u64 TransportCsum; // SXG_RCV_STATUS_TRANSPORT_CSUM + u64 TransportUflow; // SXG_RCV_STATUS_TRANSPORT_UFLOW + u64 TransportHdrLen; // SXG_RCV_STATUS_TRANSPORT_HDRLEN + u64 NetworkCsum; // SXG_RCV_STATUS_NETWORK_CSUM: + u64 NetworkUflow; // SXG_RCV_STATUS_NETWORK_UFLOW: + u64 NetworkHdrLen; // SXG_RCV_STATUS_NETWORK_HDRLEN: + u64 Parity; // SXG_RCV_STATUS_PARITY + u64 LinkParity; // SXG_RCV_STATUS_LINK_PARITY: + u64 LinkEarly; // SXG_RCV_STATUS_LINK_EARLY: + u64 LinkBufOflow; // SXG_RCV_STATUS_LINK_BUFOFLOW: + u64 LinkCode; // SXG_RCV_STATUS_LINK_CODE: + u64 LinkDribble; // SXG_RCV_STATUS_LINK_DRIBBLE: + u64 LinkCrc; // SXG_RCV_STATUS_LINK_CRC: + u64 LinkOflow; // SXG_RCV_STATUS_LINK_OFLOW: + u64 LinkUflow; // SXG_RCV_STATUS_LINK_UFLOW: +} SXG_STATS, *PSXG_STATS; + + +/**************************************************************************** + * DUMB-NIC Send path definitions + ****************************************************************************/ + +#define SXG_COMPLETE_DUMB_SEND(_pAdapt, _skb) { \ + ASSERT(_skb); \ + dev_kfree_skb_irq(_skb); \ +} + +#define SXG_DROP_DUMB_SEND(_pAdapt, _skb) { \ + ASSERT(_skb); \ + dev_kfree_skb(_skb); \ +} + +// Locate current receive header buffer location. Use this +// instead of RcvDataHdr->VirtualAddress since the data +// may have been offset by SXG_ADVANCE_MDL_OFFSET +#define SXG_RECEIVE_DATA_LOCATION(_RcvDataHdr) (_RcvDataHdr)->skb->data + +/************************************************************************ + * Dumb-NIC receive processing + ************************************************************************/ +// Define an SXG_PACKET as an NDIS_PACKET +#define PSXG_PACKET struct sk_buff * +// Indications array size +#define SXG_RCV_ARRAYSIZE 64 + +#define SXG_ALLOCATE_RCV_PACKET(_pAdapt, _RcvDataBufferHdr) { \ + struct sk_buff * skb; \ + skb = alloc_skb(2048, GFP_ATOMIC); \ + if (skb) { \ + (_RcvDataBufferHdr)->skb = skb; \ + skb->next = NULL; \ + } else { \ + (_RcvDataBufferHdr)->skb = NULL; \ + } \ +} + +#define SXG_FREE_RCV_PACKET(_RcvDataBufferHdr) { \ + if((_RcvDataBufferHdr)->skb) { \ + dev_kfree_skb((_RcvDataBufferHdr)->skb); \ + } \ +} + +// Macro to add a NDIS_PACKET to an indication array +// If we fill up our array of packet pointers, then indicate this +// block up now and start on a new one. +#define SXG_ADD_RCV_PACKET(_pAdapt, _Packet, _PrevPacket, _IndicationList, _NumPackets) { \ + (_IndicationList)[_NumPackets] = (_Packet); \ + (_NumPackets)++; \ + if((_NumPackets) == SXG_RCV_ARRAYSIZE) { \ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "IndicRcv", \ + (_NumPackets), 0, 0, 0); \ + netif_rx((_IndicationList),(_NumPackets)); \ + (_NumPackets) = 0; \ + } \ +} + +#define SXG_INDICATE_PACKETS(_pAdapt, _IndicationList, _NumPackets) { \ + if(_NumPackets) { \ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "IndicRcv", \ + (_NumPackets), 0, 0, 0); \ + netif_rx((_IndicationList),(_NumPackets)); \ + (_NumPackets) = 0; \ + } \ +} + +#define SXG_REINIATIALIZE_PACKET(_Packet) \ + {} /*_NdisReinitializePacket(_Packet)*/ /* this is not necessary with an skb */ + +// Definitions to initialize Dumb-nic Receive NBLs +#define SXG_RCV_PACKET_BUFFER_HDR(_Packet) (((PSXG_RCV_NBL_RESERVED)((_Packet)->MiniportReservedEx))->RcvDataBufferHdr) + +#define SXG_RCV_SET_CHECKSUM_INFO(_Packet, _Cpi) \ + NDIS_PER_PACKET_INFO_FROM_PACKET((_Packet), TcpIpChecksumPacketInfo) = (PVOID)(_Cpi) + +#define SXG_RCV_SET_TOEPLITZ(_Packet, _Toeplitz, _Type, _Function) { \ + NDIS_PACKET_SET_HASH_VALUE((_Packet), (_Toeplitz)); \ + NDIS_PACKET_SET_HASH_TYPE((_Packet), (_Type)); \ + NDIS_PACKET_SET_HASH_FUNCTION((_Packet), (_Function)); \ +} + +#define SXG_RCV_SET_VLAN_INFO(_Packet, _VlanId, _Priority) { \ + NDIS_PACKET_8021Q_INFO _Packet8021qInfo; \ + _Packet8021qInfo.TagHeader.VlanId = (_VlanId); \ + _Packet8021qInfo.TagHeader.UserPriority = (_Priority); \ + NDIS_PER_PACKET_INFO_FROM_PACKET((_Packet), Ieee8021QNetBufferListInfo) = \ + _Packet8021qInfo.Value; \ +} + +#define SXG_ADJUST_RCV_PACKET(_Packet, _RcvDataBufferHdr, _Event) { \ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbRcv", \ + (_RcvDataBufferHdr), (_Packet), \ + (_Event)->Status, 0); \ + ASSERT((_Event)->Length <= (_RcvDataBufferHdr)->Size); \ + Packet->len = (_Event)->Length; \ +} + +/////////////////////////////////////////////////////////////////////////////// +// Macros to free a receive data buffer and receive data descriptor block +/////////////////////////////////////////////////////////////////////////////// +// NOTE - Lock must be held with RCV macros +#define SXG_GET_RCV_DATA_BUFFER(_pAdapt, _Hdr) { \ + PLIST_ENTRY _ple; \ + _Hdr = NULL; \ + if((_pAdapt)->FreeRcvBufferCount) { \ + ASSERT(!(IsListEmpty(&(_pAdapt)->FreeRcvBuffers))); \ + _ple = RemoveHeadList(&(_pAdapt)->FreeRcvBuffers); \ + (_Hdr) = container_of(_ple, SXG_RCV_DATA_BUFFER_HDR, FreeList); \ + (_pAdapt)->FreeRcvBufferCount--; \ + ASSERT((_Hdr)->State == SXG_BUFFER_FREE); \ + } \ +} + +#define SXG_FREE_RCV_DATA_BUFFER(_pAdapt, _Hdr) { \ + SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RtnDHdr", \ + (_Hdr), (_pAdapt)->FreeRcvBufferCount, \ + (_Hdr)->State, (_Hdr)->VirtualAddress); \ +/* SXG_RESTORE_MDL_OFFSET(_Hdr); */ \ + (_pAdapt)->FreeRcvBufferCount++; \ + ASSERT(((_pAdapt)->AllRcvBlockCount * SXG_RCV_DESCRIPTORS_PER_BLOCK) >= (_pAdapt)->FreeRcvBufferCount); \ + ASSERT((_Hdr)->State != SXG_BUFFER_FREE); \ + (_Hdr)->State = SXG_BUFFER_FREE; \ + InsertTailList(&(_pAdapt)->FreeRcvBuffers, &((_Hdr)->FreeList)); \ +} + +#define SXG_FREE_RCV_DESCRIPTOR_BLOCK(_pAdapt, _Hdr) { \ + ASSERT((_Hdr)->State != SXG_BUFFER_FREE); \ + (_Hdr)->State = SXG_BUFFER_FREE; \ + (_pAdapt)->FreeRcvBlockCount++; \ + ASSERT((_pAdapt)->AllRcvBlockCount >= (_pAdapt)->FreeRcvBlockCount); \ + InsertTailList(&(_pAdapt)->FreeRcvBlocks, &(_Hdr)->FreeList); \ +} + +// SGL macros +#define SXG_FREE_SGL_BUFFER(_pAdapt, _Sgl, _NB) { \ + spin_lock(&(_pAdapt)->SglQLock); \ + (_pAdapt)->FreeSglBufferCount++; \ + ASSERT((_pAdapt)->AllSglBufferCount >= (_pAdapt)->FreeSglBufferCount);\ + ASSERT(!((_Sgl)->State & SXG_BUFFER_FREE)); \ + (_Sgl)->State = SXG_BUFFER_FREE; \ + InsertTailList(&(_pAdapt)->FreeSglBuffers, &(_Sgl)->FreeList); \ + spin_unlock(&(_pAdapt)->SglQLock); \ +} + +// Get an SGL buffer from the free queue. The first part of this macro +// attempts to keep ahead of buffer depletion by allocating more when +// we hit a minimum threshold. Note that we don't grab the lock +// until after that. We're dealing with round numbers here, so we don't need to, +// and not grabbing it avoids a possible double-trip. +#define SXG_GET_SGL_BUFFER(_pAdapt, _Sgl) { \ + PLIST_ENTRY _ple; \ + if ((_pAdapt->FreeSglBufferCount < SXG_MIN_SGL_BUFFERS) && \ + (_pAdapt->AllSglBufferCount < SXG_MAX_SGL_BUFFERS) && \ + (_pAdapt->AllocationsPending == 0)) { \ + sxg_allocate_buffer_memory(_pAdapt, \ + (sizeof(SXG_SCATTER_GATHER) + SXG_SGL_BUF_SIZE),\ + SXG_BUFFER_TYPE_SGL); \ + } \ + _Sgl = NULL; \ + spin_lock(&(_pAdapt)->SglQLock); \ + if((_pAdapt)->FreeSglBufferCount) { \ + ASSERT(!(IsListEmpty(&(_pAdapt)->FreeSglBuffers))); \ + _ple = RemoveHeadList(&(_pAdapt)->FreeSglBuffers); \ + (_Sgl) = container_of(_ple, SXG_SCATTER_GATHER, FreeList); \ + (_pAdapt)->FreeSglBufferCount--; \ + ASSERT((_Sgl)->State == SXG_BUFFER_FREE); \ + (_Sgl)->State = SXG_BUFFER_BUSY; \ + (_Sgl)->pSgl = NULL; \ + } \ + spin_unlock(&(_pAdapt)->SglQLock); \ +} + +// +// SXG_MULTICAST_ADDRESS +// +// Linked list of multicast addresses. +typedef struct _SXG_MULTICAST_ADDRESS { + unsigned char Address[6]; + struct _SXG_MULTICAST_ADDRESS *Next; +} SXG_MULTICAST_ADDRESS, *PSXG_MULTICAST_ADDRESS; + +// Structure to maintain chimney send and receive buffer queues. +// This structure maintains NET_BUFFER_LIST queues that are +// given to us via the Chimney MiniportTcpOffloadSend and +// MiniportTcpOffloadReceive routines. This structure DOES NOT +// manage our data buffer queue +typedef struct _SXG_BUFFER_QUEUE { + u32 Type; // Slow or fast - See below + u32 Direction; // Xmt or Rcv + u32 Bytes; // Byte count + u32 * Head; // Send queue head + u32 * Tail; // Send queue tail +// PNET_BUFFER_LIST NextNBL; // Short cut - next NBL +// PNET_BUFFER NextNB; // Short cut - next NB +} SXG_BUFFER_QUEUE, *PSXG_BUFFER_QUEUE; + +#define SXG_SLOW_SEND_BUFFER 0 +#define SXG_FAST_SEND_BUFFER 1 +#define SXG_RECEIVE_BUFFER 2 + +#define SXG_INIT_BUFFER(_Buffer, _Type) { \ + (_Buffer)->Type = (_Type); \ + if((_Type) == SXG_RECEIVE_BUFFER) { \ + (_Buffer)->Direction = 0; \ + } else { \ + (_Buffer)->Direction = NDIS_SG_LIST_WRITE_TO_DEVICE; \ + } \ + (_Buffer)->Bytes = 0; \ + (_Buffer)->Head = NULL; \ + (_Buffer)->Tail = NULL; \ +} + + +#define SXG_RSS_CPU_COUNT(_pAdapt) \ + ((_pAdapt)->RssEnabled ? NR_CPUS : 1) + +/**************************************************************************** + * DRIVER and ADAPTER structures + ****************************************************************************/ + +// Adapter states - These states closely match the adapter states +// documented in the DDK (with a few exceptions). +typedef enum _SXG_STATE { + SXG_STATE_INITIALIZING, // Initializing + SXG_STATE_BOOTDIAG, // Boot-Diagnostic mode + SXG_STATE_PAUSING, // Pausing + SXG_STATE_PAUSED, // Paused + SXG_STATE_RUNNING, // Running + SXG_STATE_RESETTING, // Reset in progress + SXG_STATE_SLEEP, // Sleeping + SXG_STATE_DIAG, // Diagnostic mode + SXG_STATE_HALTING, // Halting + SXG_STATE_HALTED, // Down or not-initialized + SXG_STATE_SHUTDOWN // shutdown +} SXG_STATE, *PSXG_STATE; + +// Link state +typedef enum _SXG_LINK_STATE { + SXG_LINK_DOWN, + SXG_LINK_UP +} SXG_LINK_STATE, *PSXG_LINK_STATE; + +// Link initialization timeout in 100us units +#define SXG_LINK_TIMEOUT 100000 // 10 Seconds - REDUCE! + + +// Microcode file selection codes +typedef enum _SXG_UCODE_SEL { + SXG_UCODE_SAHARA, // Sahara ucode + SXG_UCODE_SDIAGCPU, // Sahara CPU diagnostic ucode + SXG_UCODE_SDIAGSYS // Sahara system diagnostic ucode +} SXG_UCODE_SEL; + + +#define SXG_DISABLE_ALL_INTERRUPTS(_padapt) sxg_disable_interrupt(_padapt) +#define SXG_ENABLE_ALL_INTERRUPTS(_padapt) sxg_enable_interrupt(_padapt) + +// This probably lives in a proto.h file. Move later +#define SXG_MULTICAST_PACKET(_pether) ((_pether)->ether_dhost[0] & 0x01) +#define SXG_BROADCAST_PACKET(_pether) ((*(u32 *)(_pether)->ether_dhost == 0xFFFFFFFF) && \ + (*(u16 *)&(_pether)->ether_dhost[4] == 0xFFFF)) + +// For DbgPrints +#define SXG_ID DPFLTR_IHVNETWORK_ID +#define SXG_ERROR DPFLTR_ERROR_LEVEL + +// +// SXG_DRIVER structure - +// +// contains information about the sxg driver. There is only +// one of these, and it is defined as a global. +typedef struct _SXG_DRIVER { + struct _adapter_t *Adapters; // Linked list of adapters + ushort AdapterID; // Maintain unique adapter ID +} SXG_DRIVER, *PSXG_DRIVER; + +#ifdef STATUS_SUCCESS +#undef STATUS_SUCCESS +#endif + +#define STATUS_SUCCESS 0 +#define STATUS_PENDING 0 +#define STATUS_FAILURE -1 +#define STATUS_ERROR -2 +#define STATUS_NOT_SUPPORTED -3 +#define STATUS_BUFFER_TOO_SHORT -4 +#define STATUS_RESOURCES -5 + +#define SLIC_MAX_CARDS 32 +#define SLIC_MAX_PORTS 4 /* Max # of ports per card */ +#if SLIC_DUMP_ENABLED +// Dump buffer size +// +// This cannot be bigger than the max DMA size the card supports, +// given the current code structure in the host and ucode. +// Mojave supports 16K, Oasis supports 16K-1, so +// just set this at 15K, shouldnt make that much of a diff. +#define DUMP_BUF_SIZE 0x3C00 +#endif + +#define MIN(a, b) ((u32)(a) < (u32)(b) ? (a) : (b)) +#define MAX(a, b) ((u32)(a) > (u32)(b) ? (a) : (b)) + +typedef struct _mcast_address_t +{ + unsigned char address[6]; + struct _mcast_address_t *next; +} mcast_address_t, *p_mcast_address_t; + +#define CARD_DOWN 0x00000000 +#define CARD_UP 0x00000001 +#define CARD_FAIL 0x00000002 +#define CARD_DIAG 0x00000003 +#define CARD_SLEEP 0x00000004 + +#define ADAPT_DOWN 0x00 +#define ADAPT_UP 0x01 +#define ADAPT_FAIL 0x02 +#define ADAPT_RESET 0x03 +#define ADAPT_SLEEP 0x04 + +#define ADAPT_FLAGS_BOOTTIME 0x0001 +#define ADAPT_FLAGS_IS64BIT 0x0002 +#define ADAPT_FLAGS_PENDINGLINKDOWN 0x0004 +#define ADAPT_FLAGS_FIBERMEDIA 0x0008 +#define ADAPT_FLAGS_LOCKS_ALLOCED 0x0010 +#define ADAPT_FLAGS_INT_REGISTERED 0x0020 +#define ADAPT_FLAGS_LOAD_TIMER_SET 0x0040 +#define ADAPT_FLAGS_STATS_TIMER_SET 0x0080 +#define ADAPT_FLAGS_RESET_TIMER_SET 0x0100 + +#define LINK_DOWN 0x00 +#define LINK_CONFIG 0x01 +#define LINK_UP 0x02 + +#define LINK_10MB 0x00 +#define LINK_100MB 0x01 +#define LINK_AUTOSPEED 0x02 +#define LINK_1000MB 0x03 +#define LINK_10000MB 0x04 + +#define LINK_HALFD 0x00 +#define LINK_FULLD 0x01 +#define LINK_AUTOD 0x02 + +#define MAC_DIRECTED 0x00000001 +#define MAC_BCAST 0x00000002 +#define MAC_MCAST 0x00000004 +#define MAC_PROMISC 0x00000008 +#define MAC_LOOPBACK 0x00000010 +#define MAC_ALLMCAST 0x00000020 + +#define SLIC_DUPLEX(x) ((x==LINK_FULLD) ? "FDX" : "HDX") +#define SLIC_SPEED(x) ((x==LINK_100MB) ? "100Mb" : ((x==LINK_1000MB) ? "1000Mb" : " 10Mb")) +#define SLIC_LINKSTATE(x) ((x==LINK_DOWN) ? "Down" : "Up ") +#define SLIC_ADAPTER_STATE(x) ((x==ADAPT_UP) ? "UP" : "Down") +#define SLIC_CARD_STATE(x) ((x==CARD_UP) ? "UP" : "Down") + + +typedef struct _ether_header +{ + unsigned char ether_dhost[6]; + unsigned char ether_shost[6]; + ushort ether_type; +} ether_header, *p_ether_header; + + +#define NUM_CFG_SPACES 2 +#define NUM_CFG_REGS 64 + +typedef struct _physcard_t +{ + struct _adapter_t *adapter[SLIC_MAX_PORTS]; + struct _physcard_t *next; + unsigned int adapters_allocd; +} physcard_t, *p_physcard_t; + +typedef struct _sxgbase_driver +{ + spinlock_t driver_lock; + unsigned long flags; /* irqsave for spinlock */ + u32 num_sxg_cards; + u32 num_sxg_ports; + u32 num_sxg_ports_active; + u32 dynamic_intagg; + p_physcard_t phys_card; +} sxgbase_driver_t; + + +typedef struct _adapter_t +{ + void * ifp; + unsigned int port; + p_physcard_t physcard; + unsigned int physport; + unsigned int cardindex; + unsigned int card_size; + unsigned int chipid; + unsigned int busnumber; + unsigned int slotnumber; + unsigned int functionnumber; + ushort vendid; + ushort devid; + ushort subsysid; + u32 irq; + + void * sxg_adapter; + u32 nBusySend; + + void __iomem * base_addr; + u32 memorylength; + u32 drambase; + u32 dramlength; + unsigned int queues_initialized; + unsigned int allocated; + unsigned int activated; + u32 intrregistered; + unsigned int isp_initialized; + unsigned int gennumber; + u32 curaddrupper; + u32 isrcopy; + unsigned char state; + unsigned char linkstate; + unsigned char linkspeed; + unsigned char linkduplex; + unsigned int flags; + unsigned char macaddr[6]; + unsigned char currmacaddr[6]; + u32 macopts; + ushort devflags_prev; + u64 mcastmask; + p_mcast_address_t mcastaddrs; + struct timer_list pingtimer; + u32 pingtimerset; + struct timer_list statstimer; + u32 statstimerset; + struct timer_list vpci_timer; + u32 vpci_timerset; + struct timer_list loadtimer; + u32 loadtimerset; + + u32 xmitq_full; + u32 all_reg_writes; + u32 icr_reg_writes; + u32 isr_reg_writes; + u32 error_interrupts; + u32 error_rmiss_interrupts; + u32 rx_errors; + u32 rcv_drops; + u32 rcv_interrupts; + u32 xmit_interrupts; + u32 linkevent_interrupts; + u32 upr_interrupts; + u32 num_isrs; + u32 false_interrupts; + u32 tx_packets; + u32 xmit_completes; + u32 tx_drops; + u32 rcv_broadcasts; + u32 rcv_multicasts; + u32 rcv_unicasts; + u32 max_isr_rcvs; + u32 max_isr_xmits; + u32 rcv_interrupt_yields; + u32 intagg_period; + struct net_device_stats stats; + u32 * MiniportHandle; // Our miniport handle + SXG_STATE State; // Adapter state + SXG_LINK_STATE LinkState; // Link state + u64 LinkSpeed; // Link Speed + u32 PowerState; // NDIS power state + struct _adapter_t *Next; // Linked list + ushort AdapterID; // 1..n + unsigned char MacAddr[6]; // Our permanent HW mac address + unsigned char CurrMacAddr[6]; // Our Current mac address + p_net_device netdev; + p_net_device next_netdevice; + struct pci_dev * pcidev; + + PSXG_MULTICAST_ADDRESS MulticastAddrs; // Multicast list + u64 MulticastMask; // Multicast mask + u32 * InterruptHandle; // Register Interrupt handle + u32 InterruptLevel; // From Resource list + u32 InterruptVector; // From Resource list + spinlock_t AdapterLock; /* Serialize access adapter routines */ + spinlock_t Bit64RegLock; /* For writing 64-bit addresses */ + PSXG_HW_REGS HwRegs; // Sahara HW Register Memory (BAR0/1) + PSXG_UCODE_REGS UcodeRegs; // Microcode Register Memory (BAR2/3) + PSXG_TCB_REGS TcbRegs; // Same as Ucode regs - See sxghw.h + ushort ResetDpcCount; // For timeout + ushort RssDpcCount; // For timeout + ushort VendorID; // Vendor ID + ushort DeviceID; // Device ID + ushort SubSystemID; // Sub-System ID + ushort FrameSize; // Maximum frame size + u32 * DmaHandle; // NDIS DMA handle + u32 * PacketPoolHandle; // Used with NDIS 5.2 only. Don't ifdef out + u32 * BufferPoolHandle; // Used with NDIS 5.2 only. Don't ifdef out + u32 MacFilter; // NDIS MAC Filter + ushort IpId; // For slowpath + PSXG_EVENT_RING EventRings; // Host event rings. 1/CPU to 16 max + dma_addr_t PEventRings; // Physical address + u32 NextEvent[SXG_MAX_RSS]; // Current location in ring + dma_addr_t PTcbBuffers; // TCB Buffers - physical address + dma_addr_t PTcbCompBuffers; // TCB Composite Buffers - phys addr + PSXG_XMT_RING XmtRings; // Transmit rings + dma_addr_t PXmtRings; // Transmit rings - physical address + SXG_RING_INFO XmtRingZeroInfo; // Transmit ring 0 info + spinlock_t XmtZeroLock; /* Transmit ring 0 lock */ + u32 * XmtRingZeroIndex; // Shared XMT ring 0 index + dma_addr_t PXmtRingZeroIndex; // Shared XMT ring 0 index - physical + LIST_ENTRY FreeProtocolHeaders;// Free protocol headers + u32 FreeProtoHdrCount; // Count + void * ProtocolHeaders; // Block of protocol header + dma_addr_t PProtocolHeaders; // Block of protocol headers - phys + + PSXG_RCV_RING RcvRings; // Receive rings + dma_addr_t PRcvRings; // Receive rings - physical address + SXG_RING_INFO RcvRingZeroInfo; // Receive ring 0 info + + u32 * Isr; // Interrupt status register + dma_addr_t PIsr; // ISR - physical address + u32 IsrCopy[SXG_MAX_RSS]; // Copy of ISR + ushort InterruptsEnabled; // Bitmask of enabled vectors + unsigned char * IndirectionTable; // RSS indirection table + dma_addr_t PIndirectionTable; // Physical address + ushort RssTableSize; // From NDIS_RECEIVE_SCALE_PARAMETERS + ushort HashKeySize; // From NDIS_RECEIVE_SCALE_PARAMETERS + unsigned char HashSecretKey[40]; // rss key + u32 HashInformation; + // Receive buffer queues + spinlock_t RcvQLock; /* Receive Queue Lock */ + LIST_ENTRY FreeRcvBuffers; // Free SXG_DATA_BUFFER queue + LIST_ENTRY FreeRcvBlocks; // Free SXG_RCV_DESCRIPTOR_BLOCK Q + LIST_ENTRY AllRcvBlocks; // All SXG_RCV_BLOCKs + ushort FreeRcvBufferCount; // Number of free rcv data buffers + ushort FreeRcvBlockCount; // # of free rcv descriptor blocks + ushort AllRcvBlockCount; // Number of total receive blocks + ushort ReceiveBufferSize; // SXG_RCV_DATA/JUMBO_BUFFER_SIZE only + u32 AllocationsPending; // Receive allocation pending + u32 RcvBuffersOnCard; // SXG_DATA_BUFFERS owned by card + // SGL buffers + spinlock_t SglQLock; /* SGL Queue Lock */ + LIST_ENTRY FreeSglBuffers; // Free SXG_SCATTER_GATHER + LIST_ENTRY AllSglBuffers; // All SXG_SCATTER_GATHER + ushort FreeSglBufferCount; // Number of free SGL buffers + ushort AllSglBufferCount; // Number of total SGL buffers + u32 CurrentTime; // Tick count + u32 FastpathConnections;// # of fastpath connections + // Various single-bit flags: + u32 BasicAllocations:1; // Locks and listheads + u32 IntRegistered:1; // Interrupt registered + u32 PingOutstanding:1; // Ping outstanding to card + u32 Dead:1; // Card dead + u32 DumpDriver:1; // OID_SLIC_DRIVER_DUMP request + u32 DumpCard:1; // OID_SLIC_CARD_DUMP request + u32 DumpCmdRunning:1; // Dump command in progress + u32 DebugRunning:1; // AGDB debug in progress + u32 JumboEnabled:1; // Jumbo frames enabled + u32 MsiEnabled:1; // MSI interrupt enabled + u32 RssEnabled:1; // RSS Enabled + u32 FailOnBadEeprom:1; // Fail on Bad Eeprom + u32 DiagStart:1; // Init adapter for diagnostic start + // Stats + u32 PendingRcvCount; // Outstanding rcv indications + u32 PendingXmtCount; // Outstanding send requests + SXG_STATS Stats; // Statistics + u32 ReassBufs; // Number of reassembly buffers + // Card Crash Info + ushort CrashLocation; // Microcode crash location + unsigned char CrashCpu; // Sahara CPU ID + // Diagnostics + // PDIAG_CMD DiagCmds; // List of free diagnostic commands + // PDIAG_BUFFER DiagBuffers; // List of free diagnostic buffers + // PDIAG_REQ DiagReqQ; // List of outstanding (asynchronous) diag requests + // u32 DiagCmdTimeout; // Time out for diag cmds (seconds) XXXTODO - replace with SXG_PARAM var? + // unsigned char DiagDmaDesc[DMA_CPU_CTXS]; // Free DMA descriptors bit field (32 CPU ctx * 8 DMA ctx) + + ///////////////////////////////////////////////////////////////////// + // Put preprocessor-conditional fields at the end so we don't + // have to recompile sxgdbg everytime we reconfigure the driver + ///////////////////////////////////////////////////////////////////// + void * PendingSetRss; // Pending RSS parameter change + u32 IPv4HdrSize; // Shared 5.2/6.0 encap param + unsigned char * InterruptInfo; // Allocated by us during AddDevice +#if defined(CONFIG_X86) + u32 AddrUpper; // Upper 32 bits of 64-bit register +#endif + //#if SXG_FAILURE_DUMP + // NDIS_EVENT DumpThreadEvent; // syncronize dump thread + // BOOLEAN DumpThreadRunning; // termination flag + // PSXG_DUMP_CMD DumpBuffer; // 68k - Cmd and Buffer + // dma_addr_t PDumpBuffer; // Physical address + //#endif // SXG_FAILURE_DUMP + +} adapter_t, *p_adapter_t; + +#if SLIC_DUMP_ENABLED +#define SLIC_DUMP_REQUESTED 1 +#define SLIC_DUMP_IN_PROGRESS 2 +#define SLIC_DUMP_DONE 3 + +/**************************************************************************** + * + * Microcode crash information structure. This + * structure is written out to the card's SRAM when the microcode panic's. + * + ****************************************************************************/ +typedef struct _slic_crash_info { + ushort cpu_id; + ushort crash_pc; +} slic_crash_info, *p_slic_crash_info; + +#define CRASH_INFO_OFFSET 0x155C + +#endif + +#define UPDATE_STATS(largestat, newstat, oldstat) \ +{ \ + if ((newstat) < (oldstat)) \ + (largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1)); \ + else \ + (largestat) += ((newstat) - (oldstat)); \ +} + +#define UPDATE_STATS_GB(largestat, newstat, oldstat) \ +{ \ + (largestat) += ((newstat) - (oldstat)); \ +} + +#define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result) \ +{ \ + _Result = TRUE; \ + if (*(u32 *)(_AddrA) != *(u32 *)(_AddrB)) \ + _Result = FALSE; \ + if (*(u16 *)(&((_AddrA)[4])) != *(u16 *)(&((_AddrB)[4]))) \ + _Result = FALSE; \ +} + +#define ETHERMAXFRAME 1514 +#define JUMBOMAXFRAME 9014 + +#if defined(CONFIG_X86_64) || defined(CONFIG_IA64) +#define SXG_GET_ADDR_LOW(_addr) (u32)((u64)(_addr) & 0x00000000FFFFFFFF) +#define SXG_GET_ADDR_HIGH(_addr) (u32)(((u64)(_addr) >> 32) & 0x00000000FFFFFFFF) +#else +#define SXG_GET_ADDR_LOW(_addr) (u32)_addr +#define SXG_GET_ADDR_HIGH(_addr) (u32)0 +#endif + +#define FLUSH TRUE +#define DONT_FLUSH FALSE + +#define SIOCSLICDUMPCARD SIOCDEVPRIVATE+9 +#define SIOCSLICSETINTAGG SIOCDEVPRIVATE+10 +#define SIOCSLICTRACEDUMP SIOCDEVPRIVATE+11 + +#endif /* __SXG_DRIVER_H__ */ diff --git a/drivers/staging/sxg/sxg_os.h b/drivers/staging/sxg/sxg_os.h new file mode 100644 index 000000000000..26fb0ffafa5c --- /dev/null +++ b/drivers/staging/sxg/sxg_os.h @@ -0,0 +1,154 @@ +/************************************************************************** + * + * Copyright (C) 2000-2008 Alacritech, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: sxg_os.h + * + * These are the Linux-specific definitions required for the SLICOSS + * driver, which should allow for greater portability to other OSes. + */ +#ifndef _SLIC_OS_SPECIFIC_H_ +#define _SLIC_OS_SPECIFIC_H_ + +#define FALSE (0) +#define TRUE (1) + + +typedef struct _LIST_ENTRY { + struct _LIST_ENTRY *nle_flink; + struct _LIST_ENTRY *nle_blink; +} list_entry, LIST_ENTRY, *PLIST_ENTRY; + +#define InitializeListHead(l) \ + (l)->nle_flink = (l)->nle_blink = (l) + +#define IsListEmpty(h) \ + ((h)->nle_flink == (h)) + +#define RemoveEntryList(e) \ + do { \ + list_entry *b; \ + list_entry *f; \ + \ + f = (e)->nle_flink; \ + b = (e)->nle_blink; \ + b->nle_flink = f; \ + f->nle_blink = b; \ + } while (0) + +/* These two have to be inlined since they return things. */ + +static __inline PLIST_ENTRY +RemoveHeadList(list_entry *l) +{ + list_entry *f; + list_entry *e; + + e = l->nle_flink; + f = e->nle_flink; + l->nle_flink = f; + f->nle_blink = l; + + return (e); +} + +static __inline PLIST_ENTRY +RemoveTailList(list_entry *l) +{ + list_entry *b; + list_entry *e; + + e = l->nle_blink; + b = e->nle_blink; + l->nle_blink = b; + b->nle_flink = l; + + return (e); +} + + +#define InsertTailList(l, e) \ + do { \ + list_entry *b; \ + \ + b = (l)->nle_blink; \ + (e)->nle_flink = (l); \ + (e)->nle_blink = b; \ + b->nle_flink = (e); \ + (l)->nle_blink = (e); \ + } while (0) + +#define InsertHeadList(l, e) \ + do { \ + list_entry *f; \ + \ + f = (l)->nle_flink; \ + (e)->nle_flink = f; \ + (e)->nle_blink = l; \ + f->nle_blink = (e); \ + (l)->nle_flink = (e); \ + } while (0) + + +#define ATK_DEBUG 1 + +#if ATK_DEBUG +#define SLIC_TIMESTAMP(value) { \ + struct timeval timev; \ + do_gettimeofday(&timev); \ + value = timev.tv_sec*1000000 + timev.tv_usec; \ +} +#else +#define SLIC_TIMESTAMP(value) +#endif + + +/****************** SXG DEFINES *****************************************/ + +#ifdef ATKDBG +#define SXG_TIMESTAMP(value) { \ + struct timeval timev; \ + do_gettimeofday(&timev); \ + value = timev.tv_sec*1000000 + timev.tv_usec; \ +} +#else +#define SXG_TIMESTAMP(value) +#endif + +#define WRITE_REG(reg,value,flush) sxg_reg32_write((®), (value), (flush)) +#define WRITE_REG64(a,reg,value,cpu) sxg_reg64_write((a),(®),(value),(cpu)) +#define READ_REG(reg,value) (value) = readl((void __iomem *)(®)) + +#endif /* _SLIC_OS_SPECIFIC_H_ */ + diff --git a/drivers/staging/sxg/sxgdbg.h b/drivers/staging/sxg/sxgdbg.h new file mode 100644 index 000000000000..cfb6c7c77a9e --- /dev/null +++ b/drivers/staging/sxg/sxgdbg.h @@ -0,0 +1,190 @@ +/************************************************************************** + * + * Copyright © 2000-2008 Alacritech, Inc. All rights reserved. + * + * $Id: sxgdbg.h,v 1.1 2008/06/27 12:49:28 mook Exp $ + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ALACRITECH, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation + * are those of the authors and should not be interpreted as representing + * official policies, either expressed or implied, of Alacritech, Inc. + * + **************************************************************************/ + +/* + * FILENAME: sxgdbg.h + * + * All debug and assertion-based definitions and macros are included + * in this file for the SXGOSS driver. + */ +#ifndef _SXG_DEBUG_H_ +#define _SXG_DEBUG_H_ + +#define ATKDBG 1 +#define ATK_TRACE_ENABLED 1 + +#define DBG_ERROR(n, args...) printk(KERN_EMERG n, ##args) + +#ifdef ASSERT +#undef ASSERT +#endif + +#ifdef SXG_ASSERT_ENABLED +#ifndef ASSERT +#define ASSERT(a) \ + { \ + if (!(a)) { \ + DBG_ERROR("ASSERT() Failure: file %s, function %s line %d\n",\ + __FILE__, __FUNCTION__, __LINE__); \ + } \ + } +#endif +#else +#ifndef ASSERT +#define ASSERT(a) +#endif +#endif /* SXG_ASSERT_ENABLED */ + + +#ifdef ATKDBG +/* + * Global for timer granularity; every driver must have an instance + * of this initialized to 0 + */ + +extern ulong ATKTimerDiv; + +/* + * trace_entry_t - + * + * This structure defines an entry in the trace buffer. The + * first few fields mean the same from entry to entry, while + * the meaning of last several fields change to suit the + * needs of the trace entry. Typically they are function call + * parameters. + */ +typedef struct _trace_entry_s { + char name[8]; /* 8 character name - like 's'i'm'b'a'r'c'v' */ + u32 time; /* Current clock tic */ + unsigned char cpu; /* Current CPU */ + unsigned char irql; /* Current IRQL */ + unsigned char driver; /* The driver which added the trace call */ + unsigned char pad2; /* pad to 4 byte boundary - will probably get used */ + u32 arg1; /* Caller arg1 */ + u32 arg2; /* Caller arg2 */ + u32 arg3; /* Caller arg3 */ + u32 arg4; /* Caller arg4 */ +} trace_entry_t, *ptrace_entry_t; + +/* + * Driver types for driver field in trace_entry_t + */ +#define TRACE_SXG 1 +#define TRACE_VPCI 2 +#define TRACE_SLIC 3 + +#define TRACE_ENTRIES 1024 + +typedef struct _sxg_trace_buffer_t +{ + unsigned int size; /* aid for windbg extension */ + unsigned int in; /* Where to add */ + unsigned int level; /* Current Trace level */ + spinlock_t lock; /* For MP tracing */ + trace_entry_t entries[TRACE_ENTRIES];/* The circular buffer */ +} sxg_trace_buffer_t; + +/* + * The trace levels + * + * XXX At the moment I am only defining critical, important, and noisy. + * I am leaving room for more if anyone wants them. + */ +#define TRACE_NONE 0 /* For trace level - if no tracing wanted */ +#define TRACE_CRITICAL 1 /* minimal tracing - only critical stuff */ +#define TRACE_IMPORTANT 5 /* more tracing - anything important */ +#define TRACE_NOISY 10 /* Everything in the world */ + + +/********************************************************************** + * + * The macros themselves - + * + *********************************************************************/ +#if ATK_TRACE_ENABLED +#define SXG_TRACE_INIT(buffer, tlevel) \ +{ \ + memset((buffer), 0, sizeof(sxg_trace_buffer_t)); \ + (buffer)->level = (tlevel); \ + (buffer)->size = TRACE_ENTRIES; \ + spin_lock_init(&(buffer)->lock); \ +} +#else +#define SXG_TRACE_INIT(buffer, tlevel) +#endif + +/* + * The trace macro. This is active only if ATK_TRACE_ENABLED is set. + */ +#if ATK_TRACE_ENABLED +#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4) { \ + if ((buffer) && ((buffer)->level >= (tlevel))) { \ + unsigned int trace_irql = 0; /* ?????? FIX THIS */ \ + unsigned int trace_len; \ + ptrace_entry_t trace_entry; \ + struct timeval timev; \ + \ + spin_lock(&(buffer)->lock); \ + trace_entry = &(buffer)->entries[(buffer)->in]; \ + do_gettimeofday(&timev); \ + \ + memset(trace_entry->name, 0, 8); \ + trace_len = strlen(tname); \ + trace_len = trace_len > 8 ? 8 : trace_len; \ + memcpy(trace_entry->name, (tname), trace_len); \ + trace_entry->time = timev.tv_usec; \ + trace_entry->cpu = (unsigned char)(smp_processor_id() & 0xFF); \ + trace_entry->driver = (tdriver); \ + trace_entry->irql = trace_irql; \ + trace_entry->arg1 = (ulong)(a1); \ + trace_entry->arg2 = (ulong)(a2); \ + trace_entry->arg3 = (ulong)(a3); \ + trace_entry->arg4 = (ulong)(a4); \ + \ + (buffer)->in++; \ + if ((buffer)->in == TRACE_ENTRIES) \ + (buffer)->in = 0; \ + \ + spin_unlock(&(buffer)->lock); \ + } \ +} +#else +#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4) +#endif + +#endif + +#endif /* _SXG_DEBUG_H_ */ diff --git a/drivers/staging/sxg/sxghif.h b/drivers/staging/sxg/sxghif.h new file mode 100644 index 000000000000..ed26ceaa1315 --- /dev/null +++ b/drivers/staging/sxg/sxghif.h @@ -0,0 +1,861 @@ +/* + * Copyright © 1997-2007 Alacritech, Inc. All rights reserved + * + * $Id: sxghif.h,v 1.5 2008/07/24 19:18:22 chris Exp $ + * + * sxghif.h: + * + * This file contains structures and definitions for the + * Alacritech Sahara host interface + */ + +/******************************************************************************* + * UCODE Registers + *******************************************************************************/ +typedef struct _SXG_UCODE_REGS { + // Address 0 - 0x3F = Command codes 0-15 for TCB 0. Excode 0 + u32 Icr; // Code = 0 (extended), ExCode = 0 - Int control + u32 RsvdReg1; // Code = 1 - TOE -NA + u32 RsvdReg2; // Code = 2 - TOE -NA + u32 RsvdReg3; // Code = 3 - TOE -NA + u32 RsvdReg4; // Code = 4 - TOE -NA + u32 RsvdReg5; // Code = 5 - TOE -NA + u32 CardUp; // Code = 6 - Microcode initialized when 1 + u32 RsvdReg7; // Code = 7 - TOE -NA + u32 CodeNotUsed[8]; // Codes 8-15 not used. ExCode = 0 + // This brings us to ExCode 1 at address 0x40 = Interrupt status pointer + u32 Isp; // Code = 0 (extended), ExCode = 1 + u32 PadEx1[15]; // Codes 1-15 not used with extended codes + // ExCode 2 = Interrupt Status Register + u32 Isr; // Code = 0 (extended), ExCode = 2 + u32 PadEx2[15]; + // ExCode 3 = Event base register. Location of event rings + u32 EventBase; // Code = 0 (extended), ExCode = 3 + u32 PadEx3[15]; + // ExCode 4 = Event ring size + u32 EventSize; // Code = 0 (extended), ExCode = 4 + u32 PadEx4[15]; + // ExCode 5 = TCB Buffers base address + u32 TcbBase; // Code = 0 (extended), ExCode = 5 + u32 PadEx5[15]; + // ExCode 6 = TCB Composite Buffers base address + u32 TcbCompBase; // Code = 0 (extended), ExCode = 6 + u32 PadEx6[15]; + // ExCode 7 = Transmit ring base address + u32 XmtBase; // Code = 0 (extended), ExCode = 7 + u32 PadEx7[15]; + // ExCode 8 = Transmit ring size + u32 XmtSize; // Code = 0 (extended), ExCode = 8 + u32 PadEx8[15]; + // ExCode 9 = Receive ring base address + u32 RcvBase; // Code = 0 (extended), ExCode = 9 + u32 PadEx9[15]; + // ExCode 10 = Receive ring size + u32 RcvSize; // Code = 0 (extended), ExCode = 10 + u32 PadEx10[15]; + // ExCode 11 = Read EEPROM Config + u32 Config; // Code = 0 (extended), ExCode = 11 + u32 PadEx11[15]; + // ExCode 12 = Multicast bits 31:0 + u32 McastLow; // Code = 0 (extended), ExCode = 12 + u32 PadEx12[15]; + // ExCode 13 = Multicast bits 63:32 + u32 McastHigh; // Code = 0 (extended), ExCode = 13 + u32 PadEx13[15]; + // ExCode 14 = Ping + u32 Ping; // Code = 0 (extended), ExCode = 14 + u32 PadEx14[15]; + // ExCode 15 = Link MTU + u32 LinkMtu; // Code = 0 (extended), ExCode = 15 + u32 PadEx15[15]; + // ExCode 16 = Download synchronization + u32 LoadSync; // Code = 0 (extended), ExCode = 16 + u32 PadEx16[15]; + // ExCode 17 = Upper DRAM address bits on 32-bit systems + u32 Upper; // Code = 0 (extended), ExCode = 17 + u32 PadEx17[15]; + // ExCode 18 = Slowpath Send Index Address + u32 SPSendIndex; // Code = 0 (extended), ExCode = 18 + u32 PadEx18[15]; + u32 RsvdXF; // Code = 0 (extended), ExCode = 19 + u32 PadEx19[15]; + // ExCode 20 = Aggregation + u32 Aggregation; // Code = 0 (extended), ExCode = 20 + u32 PadEx20[15]; + // ExCode 21 = Receive MDL push timer + u32 PushTicks; // Code = 0 (extended), ExCode = 21 + u32 PadEx21[15]; + // ExCode 22 = TOE NA + u32 AckFrequency; // Code = 0 (extended), ExCode = 22 + u32 PadEx22[15]; + // ExCode 23 = TOE NA + u32 RsvdReg23; + u32 PadEx23[15]; + // ExCode 24 = TOE NA + u32 RsvdReg24; + u32 PadEx24[15]; + // ExCode 25 = TOE NA + u32 RsvdReg25; // Code = 0 (extended), ExCode = 25 + u32 PadEx25[15]; + // ExCode 26 = Receive checksum requirements + u32 ReceiveChecksum; // Code = 0 (extended), ExCode = 26 + u32 PadEx26[15]; + // ExCode 27 = RSS Requirements + u32 Rss; // Code = 0 (extended), ExCode = 27 + u32 PadEx27[15]; + // ExCode 28 = RSS Table + u32 RssTable; // Code = 0 (extended), ExCode = 28 + u32 PadEx28[15]; + // ExCode 29 = Event ring release entries + u32 EventRelease; // Code = 0 (extended), ExCode = 29 + u32 PadEx29[15]; + // ExCode 30 = Number of receive bufferlist commands on ring 0 + u32 RcvCmd; // Code = 0 (extended), ExCode = 30 + u32 PadEx30[15]; + // ExCode 31 = slowpath transmit command - Data[31:0] = 1 + u32 XmtCmd; // Code = 0 (extended), ExCode = 31 + u32 PadEx31[15]; + // ExCode 32 = Dump command + u32 DumpCmd; // Code = 0 (extended), ExCode = 32 + u32 PadEx32[15]; + // ExCode 33 = Debug command + u32 DebugCmd; // Code = 0 (extended), ExCode = 33 + u32 PadEx33[15]; + // There are 128 possible extended commands - each of account for 16 + // words (including the non-relevent base command codes 1-15). + // Pad for the remainder of these here to bring us to the next CPU + // base. As extended codes are added, reduce the first array value in + // the following field + u32 PadToNextCpu[94][16]; // 94 = 128 - 34 (34 = Excodes 0 - 33) +} SXG_UCODE_REGS, *PSXG_UCODE_REGS; + +// Interrupt control register (0) values +#define SXG_ICR_DISABLE 0x00000000 +#define SXG_ICR_ENABLE 0x00000001 +#define SXG_ICR_MASK 0x00000002 +#define SXG_ICR_MSGID_MASK 0xFFFF0000 +#define SXG_ICR_MSGID_SHIFT 16 +#define SXG_ICR(_MessageId, _Data) \ + ((((_MessageId) << SXG_ICR_MSGID_SHIFT) & \ + SXG_ICR_MSGID_MASK) | (_Data)) + +// The Microcode supports up to 16 RSS queues +#define SXG_MAX_RSS 16 +#define SXG_MAX_RSS_TABLE_SIZE 256 // 256-byte max + +#define SXG_RSS_TCP6 0x00000001 // RSS TCP over IPv6 +#define SXG_RSS_TCP4 0x00000002 // RSS TCP over IPv4 +#define SXG_RSS_LEGACY 0x00000004 // Line-base interrupts +#define SXG_RSS_TABLE_SIZE 0x0000FF00 // Table size mask +#define SXG_RSS_TABLE_SHIFT 8 +#define SXG_RSS_BASE_CPU 0x00FF0000 // Base CPU (not used) +#define SXG_RSS_BASE_SHIFT 16 + +#define SXG_RCV_IP_CSUM_ENABLED 0x00000001 // ExCode 26 (ReceiveChecksum) +#define SXG_RCV_TCP_CSUM_ENABLED 0x00000002 // ExCode 26 (ReceiveChecksum) + +#define SXG_XMT_CPUID_SHIFT 16 + +#if VPCI +#define SXG_CHECK_FOR_HANG_TIME 3000 +#else +#define SXG_CHECK_FOR_HANG_TIME 5 +#endif + +/* + * TCB registers - This is really the same register memory area as UCODE_REGS + * above, but defined differently. Bits 17:06 of the address define the TCB, + * which means each TCB area occupies 0x40 (64) bytes, or 16 u32S. What really + * is happening is that these registers occupy the "PadEx[15]" areas in the + * SXG_UCODE_REGS definition above + */ +typedef struct _SXG_TCB_REGS { + u32 ExCode; /* Extended codes - see SXG_UCODE_REGS */ + u32 Xmt; /* Code = 1 - # of Xmt descriptors added to ring */ + u32 Rcv; /* Code = 2 - # of Rcv descriptors added to ring */ + u32 Rsvd1; /* Code = 3 - TOE NA */ + u32 Rsvd2; /* Code = 4 - TOE NA */ + u32 Rsvd3; /* Code = 5 - TOE NA */ + u32 Invalid; /* Code = 6 - Reserved for "CardUp" see above */ + u32 Rsvd4; /* Code = 7 - TOE NA */ + u32 Rsvd5; /* Code = 8 - TOE NA */ + u32 Pad[7]; /* Codes 8-15 - Not used. */ +} SXG_TCB_REGS, *PSXG_TCB_REGS; + +/*************************************************************************** + * ISR Format + * 31 0 + * _______________________________________ + * | | | | | | | | | + * |____|____|____|____|____|____|____|____| + * ^^^^ ^^^^ ^^^^ ^^^^ \ / + * ERR --|||| |||| |||| |||| ----------------- + * EVENT ---||| |||| |||| |||| | + * ----|| |||| |||| |||| |-- Crash Address + * UPC -----| |||| |||| |||| + * LEVENT -------|||| |||| |||| + * PDQF --------||| |||| |||| + * RMISS ---------|| |||| |||| + * BREAK ----------| |||| |||| + * HBEATOK ------------|||| |||| + * NOHBEAT -------------||| |||| + * ERFULL --------------|| |||| + * XDROP ---------------| |||| + * -----------------|||| + * -----------------||||--\ + * ||---|-CpuId of crash + * |----/ + ***************************************************************************/ +#define SXG_ISR_ERR 0x80000000 // Error +#define SXG_ISR_EVENT 0x40000000 // Event ring event +#define SXG_ISR_NONE1 0x20000000 // Not used +#define SXG_ISR_UPC 0x10000000 // Dump/debug command complete +#define SXG_ISR_LINK 0x08000000 // Link event +#define SXG_ISR_PDQF 0x04000000 // Processed data queue full +#define SXG_ISR_RMISS 0x02000000 // Drop - no host buf +#define SXG_ISR_BREAK 0x01000000 // Breakpoint hit +#define SXG_ISR_PING 0x00800000 // Heartbeat response +#define SXG_ISR_DEAD 0x00400000 // Card crash +#define SXG_ISR_ERFULL 0x00200000 // Event ring full +#define SXG_ISR_XDROP 0x00100000 // XMT Drop - no DRAM bufs or XMT err +#define SXG_ISR_SPSEND 0x00080000 // Slow send complete +#define SXG_ISR_CPU 0x00070000 // Dead CPU mask +#define SXG_ISR_CPU_SHIFT 16 // Dead CPU shift +#define SXG_ISR_CRASH 0x0000FFFF // Crash address mask + +/*************************************************************************** + * + * Event Ring entry + * + ***************************************************************************/ +/* + * 31 15 0 + * .___________________.___________________. + * |<------------ Pad 0 ------------>| + * |_________|_________|_________|_________|0 0x00 + * |<------------ Pad 1 ------------>| + * |_________|_________|_________|_________|4 0x04 + * |<------------ Pad 2 ------------>| + * |_________|_________|_________|_________|8 0x08 + * |<----------- Event Word 0 ------------>| + * |_________|_________|_________|_________|12 0x0c + * |<----------- Event Word 1 ------------>| + * |_________|_________|_________|_________|16 0x10 + * |<------------- Toeplitz ------------>| + * |_________|_________|_________|_________|20 0x14 + * |<----- Length ---->|<------ TCB Id --->| + * |_________|_________|_________|_________|24 0x18 + * |<----- Status ---->|Evnt Code|Flsh Code| + * |_________|_________|_________|_________|28 0x1c + * ^ ^^^^ ^^^^ + * |- VALID |||| ||||- RBUFC + * |||| |||-- SLOWR + * |||| ||--- UNUSED + * |||| |---- FASTC + * ||||------ FASTR + * |||------- + * ||-------- + * |--------- + * + * Slowpath status: + * _______________________________________ + * |<----- Status ---->|Evnt Code|Flsh Code| + * |_________|Cmd Index|_________|_________|28 0x1c + * ^^^ ^^^^ + * ||| ||||- ISTCPIP6 + * ||| |||-- IPONLY + * ||| ||--- RCVERR + * ||| |---- IPCBAD + * |||------ TCPCBAD + * ||------- ISTCPIP + * |-------- SCERR + * + */ +#pragma pack(push, 1) +typedef struct _SXG_EVENT { + u32 Pad[1]; // not used + u32 SndUna; // SndUna value + u32 Resid; // receive MDL resid + union { + void * HostHandle; // Receive host handle + u32 Rsvd1; // TOE NA + struct { + u32 NotUsed; + u32 Rsvd2; // TOE NA + } Flush; + }; + u32 Toeplitz; // RSS Toeplitz hash + union { + ushort Rsvd3; // TOE NA + ushort HdrOffset; // Slowpath + }; + ushort Length; // + unsigned char Rsvd4; // TOE NA + unsigned char Code; // Event code + unsigned char CommandIndex; // New ring index + unsigned char Status; // Event status +} SXG_EVENT, *PSXG_EVENT; +#pragma pack(pop) + +// Event code definitions +#define EVENT_CODE_BUFFERS 0x01 // Receive buffer list command (ring 0) +#define EVENT_CODE_SLOWRCV 0x02 // Slowpath receive +#define EVENT_CODE_UNUSED 0x04 // Was slowpath commands complete + +// Status values +#define EVENT_STATUS_VALID 0x80 // Entry valid + +// Slowpath status +#define EVENT_STATUS_ERROR 0x40 // Completed with error. Index in next byte +#define EVENT_STATUS_TCPIP4 0x20 // TCPIPv4 frame +#define EVENT_STATUS_TCPBAD 0x10 // Bad TCP checksum +#define EVENT_STATUS_IPBAD 0x08 // Bad IP checksum +#define EVENT_STATUS_RCVERR 0x04 // Slowpath receive error +#define EVENT_STATUS_IPONLY 0x02 // IP frame +#define EVENT_STATUS_TCPIP6 0x01 // TCPIPv6 frame +#define EVENT_STATUS_TCPIP 0x21 // Combination of v4 and v6 + +// Event ring +// Size must be power of 2, between 128 and 16k +#define EVENT_RING_SIZE 4096 // ?? +#define EVENT_RING_BATCH 16 // Hand entries back 16 at a time. +#define EVENT_BATCH_LIMIT 256 // Stop processing events after 256 (16 * 16) + +typedef struct _SXG_EVENT_RING { + SXG_EVENT Ring[EVENT_RING_SIZE]; +}SXG_EVENT_RING, *PSXG_EVENT_RING; + +/*************************************************************************** + * + * TCB Buffers + * + ***************************************************************************/ +// Maximum number of TCBS supported by hardware/microcode +#define SXG_MAX_TCB 4096 +// Minimum TCBs before we fail initialization +#define SXG_MIN_TCB 512 +// TCB Hash +// The bucket is determined by bits 11:4 of the toeplitz if we support 4k +// offloaded connections, 10:4 if we support 2k and so on. +#define SXG_TCB_BUCKET_SHIFT 4 +#define SXG_TCB_PER_BUCKET 16 +#define SXG_TCB_BUCKET_MASK 0xFF0 // Bucket portion of TCB ID +#define SXG_TCB_ELEMENT_MASK 0x00F // Element within bucket +#define SXG_TCB_BUCKETS 256 // 256 * 16 = 4k + +#define SXG_TCB_BUFFER_SIZE 512 // ASSERT format is correct + +#define SXG_TCB_RCVQ_SIZE 736 + +#define SXG_TCB_COMPOSITE_BUFFER_SIZE 1024 + +#define SXG_LOCATE_TCP_FRAME_HDR(_TcpObject, _IPv6) \ + (((_TcpObject)->VlanId) ? \ + ((_IPv6) ? /* Vlan frame header = yes */ \ + &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp6.SxgTcp : \ + &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp.SxgTcp) : \ + ((_IPv6) ? /* Vlan frame header = No */ \ + &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp6.SxgTcp : \ + &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp.SxgTcp)) + +#define SXG_LOCATE_IP_FRAME_HDR(_TcpObject) \ + (_TcpObject)->VlanId ? \ + &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp.Ip : \ + &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp.Ip + +#define SXG_LOCATE_IP6_FRAME_HDR(_TcpObject) \ + (_TcpObject)->VlanId ? \ + &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp6.Ip : \ + &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp6.Ip + + +#if DBG +// Horrible kludge to distinguish dumb-nic, slowpath, and +// fastpath traffic. Decrement the HopLimit by one +// for slowpath, two for fastpath. This assumes the limit is measurably +// greater than two, which I think is reasonable. +// Obviously this is DBG only. Maybe remove later, or #if 0 so we +// can set it when needed +#define SXG_DBG_HOP_LIMIT(_TcpObject, _FastPath) { \ + PIPV6_HDR _Ip6FrameHdr; \ + if((_TcpObject)->IPv6) { \ + _Ip6FrameHdr = SXG_LOCATE_IP6_FRAME_HDR((_TcpObject)); \ + if(_FastPath) { \ + _Ip6FrameHdr->HopLimit = (_TcpObject)->Cached.TtlOrHopLimit - 2; \ + } else { \ + _Ip6FrameHdr->HopLimit = (_TcpObject)->Cached.TtlOrHopLimit - 1; \ + } \ + } \ +} +#else +// Do nothing with free build +#define SXG_DBG_HOP_LIMIT(_TcpObject, _FastPath) +#endif + +/*************************************************************************** + * Receive and transmit rings + ***************************************************************************/ +#define SXG_MAX_RING_SIZE 256 +#define SXG_XMT_RING_SIZE 128 // Start with 128 +#define SXG_RCV_RING_SIZE 128 // Start with 128 +#define SXG_MAX_ENTRIES 4096 + +// Structure and macros to manage a ring +typedef struct _SXG_RING_INFO { + unsigned char Head; // Where we add entries - Note unsigned char:RING_SIZE + unsigned char Tail; // Where we pull off completed entries + ushort Size; // Ring size - Must be multiple of 2 + void * Context[SXG_MAX_RING_SIZE]; // Shadow ring +} SXG_RING_INFO, *PSXG_RING_INFO; + +#define SXG_INITIALIZE_RING(_ring, _size) { \ + (_ring).Head = 0; \ + (_ring).Tail = 0; \ + (_ring).Size = (_size); \ +} +#define SXG_ADVANCE_INDEX(_index, _size) ((_index) = ((_index) + 1) & ((_size) - 1)) +#define SXG_PREVIOUS_INDEX(_index, _size) (((_index) - 1) &((_size) - 1)) +#define SXG_RING_EMPTY(_ring) ((_ring)->Head == (_ring)->Tail) +#define SXG_RING_FULL(_ring) ((((_ring)->Head + 1) & ((_ring)->Size - 1)) == (_ring)->Tail) +#define SXG_RING_ADVANCE_HEAD(_ring) SXG_ADVANCE_INDEX((_ring)->Head, ((_ring)->Size)) +#define SXG_RING_RETREAT_HEAD(_ring) ((_ring)->Head = \ + SXG_PREVIOUS_INDEX((_ring)->Head, (_ring)->Size)) +#define SXG_RING_ADVANCE_TAIL(_ring) { \ + ASSERT((_ring)->Tail != (_ring)->Head); \ + SXG_ADVANCE_INDEX((_ring)->Tail, ((_ring)->Size)); \ +} +// Set cmd to the next available ring entry, set the shadow context +// entry and advance the ring. +// The appropriate lock must be held when calling this macro +#define SXG_GET_CMD(_ring, _ringinfo, _cmd, _context) { \ + if(SXG_RING_FULL(_ringinfo)) { \ + (_cmd) = NULL; \ + } else { \ + (_cmd) = &(_ring)->Descriptors[(_ringinfo)->Head]; \ + (_ringinfo)->Context[(_ringinfo)->Head] = (void *)(_context);\ + SXG_RING_ADVANCE_HEAD(_ringinfo); \ + } \ +} + +// Abort the previously allocated command by retreating the head. +// NOTE - The appopriate lock MUST NOT BE DROPPED between the SXG_GET_CMD +// and SXG_ABORT_CMD calls. +#define SXG_ABORT_CMD(_ringinfo) { \ + ASSERT(!(SXG_RING_EMPTY(_ringinfo))); \ + SXG_RING_RETREAT_HEAD(_ringinfo); \ + (_ringinfo)->Context[(_ringinfo)->Head] = NULL; \ +} + +// For the given ring, return a pointer to the tail cmd and context, +// clear the context and advance the tail +#define SXG_RETURN_CMD(_ring, _ringinfo, _cmd, _context) { \ + (_cmd) = &(_ring)->Descriptors[(_ringinfo)->Tail]; \ + (_context) = (_ringinfo)->Context[(_ringinfo)->Tail]; \ + (_ringinfo)->Context[(_ringinfo)->Tail] = NULL; \ + SXG_RING_ADVANCE_TAIL(_ringinfo); \ +} + +/*************************************************************************** + * + * Host Command Buffer - commands to INIC via the Cmd Rings + * + ***************************************************************************/ +/* + * 31 15 0 + * .___________________.___________________. + * |<-------------- Sgl Low -------------->| + * |_________|_________|_________|_________|0 0x00 + * |<-------------- Sgl High ------------->| + * |_________|_________|_________|_________|4 0x04 + * |<------------- Sge 0 Low ----------->| + * |_________|_________|_________|_________|8 0x08 + * |<------------- Sge 0 High ----------->| + * |_________|_________|_________|_________|12 0x0c + * |<------------ Sge 0 Length ---------->| + * |_________|_________|_________|_________|16 0x10 + * |<----------- Window Update ----------->| + * |<-------- SP 1st SGE offset ---------->| + * |_________|_________|_________|_________|20 0x14 + * |<----------- Total Length ------------>| + * |_________|_________|_________|_________|24 0x18 + * |<----- LCnt ------>|<----- Flags ----->| + * |_________|_________|_________|_________|28 0x1c + */ +#pragma pack(push, 1) +typedef struct _SXG_CMD { + dma_addr_t Sgl; // Physical address of SGL + union { + struct { + dma64_addr_t FirstSgeAddress;// Address of first SGE + u32 FirstSgeLength; // Length of first SGE + union { + u32 Rsvd1; // TOE NA + u32 SgeOffset; // Slowpath - 2nd SGE offset + u32 Resid; // MDL completion - clobbers update + }; + union { + u32 TotalLength; // Total transfer length + u32 Mss; // LSO MSS + }; + } Buffer; + }; + union { + struct { + unsigned char Flags:4; // slowpath flags + unsigned char IpHl:4; // Ip header length (>>2) + unsigned char MacLen; // Mac header len + } CsumFlags; + struct { + ushort Flags:4; // slowpath flags + ushort TcpHdrOff:7; // TCP + ushort MacLen:5; // Mac header len + } LsoFlags; + ushort Flags; // flags + }; + union { + ushort SgEntries; // SG entry count including first sge + struct { + unsigned char Status; // Copied from event status + unsigned char NotUsed; + } Status; + }; +} SXG_CMD, *PSXG_CMD; +#pragma pack(pop) + +#pragma pack(push, 1) +typedef struct _VLAN_HDR { + ushort VlanTci; + ushort VlanTpid; +} VLAN_HDR, *PVLAN_HDR; +#pragma pack(pop) + +/* + * Slowpath Flags: + * + * + * LSS Flags: + * .--- + * /.--- TCP Large segment send + * //.--- + * ///.--- + * 3 1 1 //// + * 1 5 0 |||| + * .___________________.____________vvvv. + * | |MAC | TCP | | + * | LCnt |hlen|hdroff|Flgs| + * |___________________|||||||||||||____| + * + * + * Checksum Flags + * + * .--- + * /.--- + * //.--- Checksum TCP + * ///.--- Checksum IP + * 3 1 //// No bits - normal send + * 1 5 7 |||| + * .___________________._______________vvvv. + * | | Offload | IP | | + * | LCnt |MAC hlen |Hlen|Flgs| + * |___________________|____|____|____|____| + * + */ +// Slowpath CMD flags +#define SXG_SLOWCMD_CSUM_IP 0x01 // Checksum IP +#define SXG_SLOWCMD_CSUM_TCP 0x02 // Checksum TCP +#define SXG_SLOWCMD_LSO 0x04 // Large segment send + +typedef struct _SXG_XMT_RING { + SXG_CMD Descriptors[SXG_XMT_RING_SIZE]; +} SXG_XMT_RING, *PSXG_XMT_RING; + +typedef struct _SXG_RCV_RING { + SXG_CMD Descriptors[SXG_RCV_RING_SIZE]; +} SXG_RCV_RING, *PSXG_RCV_RING; + +/*************************************************************************** + * Share memory buffer types - Used to identify asynchronous + * shared memory allocation + ***************************************************************************/ +typedef enum { + SXG_BUFFER_TYPE_RCV, // Receive buffer + SXG_BUFFER_TYPE_SGL // SGL buffer +} SXG_BUFFER_TYPE; + +// State for SXG buffers +#define SXG_BUFFER_FREE 0x01 +#define SXG_BUFFER_BUSY 0x02 +#define SXG_BUFFER_ONCARD 0x04 +#define SXG_BUFFER_UPSTREAM 0x08 + +/*************************************************************************** + * Receive data buffers + * + * Receive data buffers are given to the Sahara card 128 at a time. + * This is accomplished by filling in a "receive descriptor block" + * with 128 "receive descriptors". Each descriptor consists of + * a physical address, which the card uses as the address to + * DMA data into, and a virtual address, which is given back + * to the host in the "HostHandle" portion of an event. + * The receive descriptor data structure is defined below + * as SXG_RCV_DATA_DESCRIPTOR, and the corresponding block + * is defined as SXG_RCV_DESCRIPTOR_BLOCK. + * + * This receive descriptor block is given to the card by filling + * in the Sgl field of a SXG_CMD entry from pAdapt->RcvRings[0] + * with the physical address of the receive descriptor block. + * + * Both the receive buffers and the receive descriptor blocks + * require additional data structures to maintain them + * on a free queue and contain other information associated with them. + * Those data structures are defined as the SXG_RCV_DATA_BUFFER_HDR + * and SXG_RCV_DESCRIPTOR_BLOCK_HDR respectively. + * + * Since both the receive buffers and the receive descriptor block + * must be accessible by the card, both must be allocated out of + * shared memory. To ensure that we always have a descriptor + * block available for every 128 buffers, we allocate all of + * these resources together in a single block. This entire + * block is managed by a SXG_RCV_BLOCK_HDR, who's sole purpose + * is to maintain address information so that the entire block + * can be free later. + * + * Further complicating matters is the fact that the receive + * buffers must be variable in length in order to accomodate + * jumbo frame configurations. We configure the buffer + * length so that the buffer and it's corresponding SXG_RCV_DATA_BUFFER_HDR + * structure add up to an even boundary. Then we place the + * remaining data structures after 128 of them as shown in + * the following diagram: + * + * _________________________________________ + * | | + * | Variable length receive buffer #1 | + * |_________________________________________| + * | | + * | SXG_RCV_DATA_BUFFER_HDR #1 | + * |_________________________________________| <== Even 2k or 10k boundary + * | | + * | ... repeat 2-128 .. | + * |_________________________________________| + * | | + * | SXG_RCV_DESCRIPTOR_BLOCK | + * | Contains SXG_RCV_DATA_DESCRIPTOR * 128 | + * |_________________________________________| + * | | + * | SXG_RCV_DESCRIPTOR_BLOCK_HDR | + * |_________________________________________| + * | | + * | SXG_RCV_BLOCK_HDR | + * |_________________________________________| + * + * Memory consumption: + * Non-jumbo: + * Buffers and SXG_RCV_DATA_BUFFER_HDR = 2k * 128 = 256k + * + SXG_RCV_DESCRIPTOR_BLOCK = 2k + * + SXG_RCV_DESCRIPTOR_BLOCK_HDR = ~32 + * + SXG_RCV_BLOCK_HDR = ~32 + * => Total = ~258k/block + * + * Jumbo: + * Buffers and SXG_RCV_DATA_BUFFER_HDR = 10k * 128 = 1280k + * + SXG_RCV_DESCRIPTOR_BLOCK = 2k + * + SXG_RCV_DESCRIPTOR_BLOCK_HDR = ~32 + * + SXG_RCV_BLOCK_HDR = ~32 + * => Total = ~1282k/block + * + ***************************************************************************/ +#define SXG_RCV_DATA_BUFFERS 4096 // Amount to give to the card +#define SXG_INITIAL_RCV_DATA_BUFFERS 8192 // Initial pool of buffers +#define SXG_MIN_RCV_DATA_BUFFERS 2048 // Minimum amount and when to get more +#define SXG_MAX_RCV_BLOCKS 128 // = 16384 receive buffers + +// Receive buffer header +typedef struct _SXG_RCV_DATA_BUFFER_HDR { + dma_addr_t PhysicalAddress; // Buffer physical address + // Note - DO NOT USE the VirtualAddress field to locate data. + // Use the sxg.h:SXG_RECEIVE_DATA_LOCATION macro instead. + void *VirtualAddress; // Start of buffer + LIST_ENTRY FreeList; // Free queue of buffers + struct _SXG_RCV_DATA_BUFFER_HDR *Next; // Fastpath data buffer queue + u32 Size; // Buffer size + u32 ByteOffset; // See SXG_RESTORE_MDL_OFFSET + unsigned char State; // See SXG_BUFFER state above + unsigned char Status; // Event status (to log PUSH) + struct sk_buff * skb; // Double mapped (nbl and pkt) +} SXG_RCV_DATA_BUFFER_HDR, *PSXG_RCV_DATA_BUFFER_HDR; + +// SxgSlowReceive uses the PACKET (skb) contained +// in the SXG_RCV_DATA_BUFFER_HDR when indicating dumb-nic data +#define SxgDumbRcvPacket skb + +#define SXG_RCV_DATA_HDR_SIZE 256 // Space for SXG_RCV_DATA_BUFFER_HDR +#define SXG_RCV_DATA_BUFFER_SIZE 2048 // Non jumbo = 2k including HDR +#define SXG_RCV_JUMBO_BUFFER_SIZE 10240 // jumbo = 10k including HDR + +// Receive data descriptor +typedef struct _SXG_RCV_DATA_DESCRIPTOR { + union { + struct sk_buff * VirtualAddress; // Host handle + u64 ForceTo8Bytes; // Force x86 to 8-byte boundary + }; + dma_addr_t PhysicalAddress; +} SXG_RCV_DATA_DESCRIPTOR, *PSXG_RCV_DATA_DESCRIPTOR; + +// Receive descriptor block +#define SXG_RCV_DESCRIPTORS_PER_BLOCK 128 +#define SXG_RCV_DESCRIPTOR_BLOCK_SIZE 2048 // For sanity check +typedef struct _SXG_RCV_DESCRIPTOR_BLOCK { + SXG_RCV_DATA_DESCRIPTOR Descriptors[SXG_RCV_DESCRIPTORS_PER_BLOCK]; +} SXG_RCV_DESCRIPTOR_BLOCK, *PSXG_RCV_DESCRIPTOR_BLOCK; + +// Receive descriptor block header +typedef struct _SXG_RCV_DESCRIPTOR_BLOCK_HDR { + void * VirtualAddress; // Start of 2k buffer + dma_addr_t PhysicalAddress; // ..and it's physical address + LIST_ENTRY FreeList; // Free queue of descriptor blocks + unsigned char State; // See SXG_BUFFER state above +} SXG_RCV_DESCRIPTOR_BLOCK_HDR, *PSXG_RCV_DESCRIPTOR_BLOCK_HDR; + +// Receive block header +typedef struct _SXG_RCV_BLOCK_HDR { + void * VirtualAddress; // Start of virtual memory + dma_addr_t PhysicalAddress; // ..and it's physical address + LIST_ENTRY AllList; // Queue of all SXG_RCV_BLOCKS +} SXG_RCV_BLOCK_HDR, *PSXG_RCV_BLOCK_HDR; + +// Macros to determine data structure offsets into receive block +#define SXG_RCV_BLOCK_SIZE(_Buffersize) \ + (((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) + \ + (sizeof(SXG_RCV_DESCRIPTOR_BLOCK)) + \ + (sizeof(SXG_RCV_DESCRIPTOR_BLOCK_HDR)) + \ + (sizeof(SXG_RCV_BLOCK_HDR))) +#define SXG_RCV_BUFFER_DATA_SIZE(_Buffersize) \ + ((_Buffersize) - SXG_RCV_DATA_HDR_SIZE) +#define SXG_RCV_DATA_BUFFER_HDR_OFFSET(_Buffersize) \ + ((_Buffersize) - SXG_RCV_DATA_HDR_SIZE) +#define SXG_RCV_DESCRIPTOR_BLOCK_OFFSET(_Buffersize) \ + ((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) +#define SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET(_Buffersize) \ + (((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) + \ + (sizeof(SXG_RCV_DESCRIPTOR_BLOCK))) +#define SXG_RCV_BLOCK_HDR_OFFSET(_Buffersize) \ + (((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) + \ + (sizeof(SXG_RCV_DESCRIPTOR_BLOCK)) + \ + (sizeof(SXG_RCV_DESCRIPTOR_BLOCK_HDR))) + +// Use the miniport reserved portion of the NBL to locate +// our SXG_RCV_DATA_BUFFER_HDR structure. +typedef struct _SXG_RCV_NBL_RESERVED { + PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr; + void * Available; +} SXG_RCV_NBL_RESERVED, *PSXG_RCV_NBL_RESERVED; + +#define SXG_RCV_NBL_BUFFER_HDR(_NBL) (((PSXG_RCV_NBL_RESERVED)NET_BUFFER_LIST_MINIPORT_RESERVED(_NBL))->RcvDataBufferHdr) + +/*************************************************************************** + * Scatter gather list buffer + ***************************************************************************/ +#define SXG_INITIAL_SGL_BUFFERS 8192 // Initial pool of SGL buffers +#define SXG_MIN_SGL_BUFFERS 2048 // Minimum amount and when to get more +#define SXG_MAX_SGL_BUFFERS 16384 // Maximum to allocate (note ADAPT:ushort) + + +// Self identifying structure type +typedef enum _SXG_SGL_TYPE { + SXG_SGL_DUMB, // Dumb NIC SGL + SXG_SGL_SLOW, // Slowpath protocol header - see below + SXG_SGL_CHIMNEY // Chimney offload SGL +} SXG_SGL_TYPE, PSXG_SGL_TYPE; + +// Note - the description below is Microsoft specific +// +// The following definition specifies the amount of shared memory to allocate +// for the SCATTER_GATHER_LIST portion of the SXG_SCATTER_GATHER data structure. +// The following considerations apply when setting this value: +// - First, the Sahara card is designed to read the Microsoft SGL structure +// straight out of host memory. This means that the SGL must reside in +// shared memory. If the length here is smaller than the SGL for the +// NET_BUFFER, then NDIS will allocate its own buffer. The buffer +// that NDIS allocates is not in shared memory, so when this happens, +// the SGL will need to be copied to a set of SXG_SCATTER_GATHER buffers. +// In other words.. we don't want this value to be too small. +// - On the other hand.. we're allocating up to 16k of these things. If +// we make this too big, we start to consume a ton of memory.. +// At the moment, I'm going to limit the number of SG entries to 150. +// If each entry maps roughly 4k, then this should cover roughly 600kB +// NET_BUFFERs. Furthermore, since each entry is 24 bytes, the total +// SGE portion of the structure consumes 3600 bytes, which should allow +// the entire SXG_SCATTER_GATHER structure to reside comfortably within +// a 4k block, providing the remaining fields stay under 500 bytes. +// +// So with 150 entries, the SXG_SCATTER_GATHER structure becomes roughly +// 4k. At 16k of them, that amounts to 64M of shared memory. A ton, but +// manageable. +#define SXG_SGL_ENTRIES 150 + +// The ucode expects an NDIS SGL structure that +// is formatted for an x64 system. When running +// on an x64 system, we can simply hand the NDIS SGL +// to the card directly. For x86 systems we must reconstruct +// the SGL. The following structure defines an x64 +// formatted SGL entry +typedef struct _SXG_X64_SGE { + dma64_addr_t Address; // same as wdm.h + u32 Length; // same as wdm.h + u32 CompilerPad;// The compiler pads to 8-bytes + u64 Reserved; // u32 * in wdm.h. Force to 8 bytes +} SXG_X64_SGE, *PSXG_X64_SGE; + +typedef struct _SCATTER_GATHER_ELEMENT { + dma64_addr_t Address; // same as wdm.h + u32 Length; // same as wdm.h + u32 CompilerPad;// The compiler pads to 8-bytes + u64 Reserved; // u32 * in wdm.h. Force to 8 bytes +} SCATTER_GATHER_ELEMENT, *PSCATTER_GATHER_ELEMENT; + + +typedef struct _SCATTER_GATHER_LIST { + u32 NumberOfElements; + u32 * Reserved; + SCATTER_GATHER_ELEMENT Elements[]; +} SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST; + +// The card doesn't care about anything except elements, so +// we can leave the u32 * reserved field alone in the following +// SGL structure. But redefine from wdm.h:SCATTER_GATHER_LIST so +// we can specify SXG_X64_SGE and define a fixed number of elements +typedef struct _SXG_X64_SGL { + u32 NumberOfElements; + u32 * Reserved; + SXG_X64_SGE Elements[SXG_SGL_ENTRIES]; +} SXG_X64_SGL, *PSXG_X64_SGL; + +typedef struct _SXG_SCATTER_GATHER { + SXG_SGL_TYPE Type; // FIRST! Dumb-nic or offload + void * adapter; // Back pointer to adapter + LIST_ENTRY FreeList; // Free SXG_SCATTER_GATHER blocks + LIST_ENTRY AllList; // All SXG_SCATTER_GATHER blocks + dma_addr_t PhysicalAddress;// physical address + unsigned char State; // See SXG_BUFFER state above + unsigned char CmdIndex; // Command ring index + struct sk_buff * DumbPacket; // Associated Packet + u32 Direction; // For asynchronous completions + u32 CurOffset; // Current SGL offset + u32 SglRef; // SGL reference count + VLAN_HDR VlanTag; // VLAN tag to be inserted into SGL + PSCATTER_GATHER_LIST pSgl; // SGL Addr. Possibly &Sgl + SXG_X64_SGL Sgl; // SGL handed to card +} SXG_SCATTER_GATHER, *PSXG_SCATTER_GATHER; + +#if defined(CONFIG_X86_64) +#define SXG_SGL_BUFFER(_SxgSgl) (&_SxgSgl->Sgl) +#define SXG_SGL_BUF_SIZE sizeof(SXG_X64_SGL) +#elif defined(CONFIG_X86) +// Force NDIS to give us it's own buffer so we can reformat to our own +#define SXG_SGL_BUFFER(_SxgSgl) NULL +#define SXG_SGL_BUF_SIZE 0 +#else + Stop Compilation; +#endif + diff --git a/drivers/staging/sxg/sxghw.h b/drivers/staging/sxg/sxghw.h new file mode 100644 index 000000000000..8f4f6effdd98 --- /dev/null +++ b/drivers/staging/sxg/sxghw.h @@ -0,0 +1,734 @@ +/* + * Copyright © 1997-2007 Alacritech, Inc. All rights reserved + * + * $Id: sxghw.h,v 1.2 2008/07/24 17:24:23 chris Exp $ + * + * sxghw.h: + * + * This file contains structures and definitions for the + * Alacritech Sahara hardware + */ + + +/******************************************************************************* + * Configuration space + *******************************************************************************/ +// PCI Vendor ID +#define SXG_VENDOR_ID 0x139A // Alacritech's Vendor ID + +// PCI Device ID +#define SXG_DEVICE_ID 0x0009 // Sahara Device ID + +// +// Subsystem IDs. +// +// The subsystem ID value is broken into bit fields as follows: +// Bits [15:12] - Function +// Bits [11:8] - OEM and/or operating system. +// Bits [7:0] - Base SID. +// +// SSID field (bit) masks +#define SSID_BASE_MASK 0x00FF // Base subsystem ID mask +#define SSID_OEM_MASK 0x0F00 // Subsystem OEM mask +#define SSID_FUNC_MASK 0xF000 // Subsystem function mask + +// Base SSID's +#define SSID_SAHARA_PROTO 0x0018 // 100022 Sahara prototype (XenPak) board +#define SSID_SAHARA_FIBER 0x0019 // 100023 Sahara 1-port fiber board +#define SSID_SAHARA_COPPER 0x001A // 100024 Sahara 1-port copper board + +// Useful SSID macros +#define SSID_BASE(ssid) ((ssid) & SSID_BASE_MASK) // isolate base SSID bits +#define SSID_OEM(ssid) ((ssid) & SSID_OEM_MASK) // isolate SSID OEM bits +#define SSID_FUNC(ssid) ((ssid) & SSID_FUNC_MASK) // isolate SSID function bits + +/******************************************************************************* + * HW Register Space + *******************************************************************************/ +#define SXG_HWREG_MEMSIZE 0x4000 // 16k + +#pragma pack(push, 1) +typedef struct _SXG_HW_REGS { + u32 Reset; // Write 0xdead to invoke soft reset + u32 Pad1; // No register defined at offset 4 + u32 InterruptMask0; // Deassert legacy interrupt on function 0 + u32 InterruptMask1; // Deassert legacy interrupt on function 1 + u32 UcodeDataLow; // Store microcode instruction bits 31-0 + u32 UcodeDataMiddle; // Store microcode instruction bits 63-32 + u32 UcodeDataHigh; // Store microcode instruction bits 95-64 + u32 UcodeAddr; // Store microcode address - See flags below + u32 PadTo0x80[24]; // Pad to Xcv configuration registers + u32 MacConfig0; // 0x80 - AXGMAC Configuration Register 0 + u32 MacConfig1; // 0x84 - AXGMAC Configuration Register 1 + u32 MacConfig2; // 0x88 - AXGMAC Configuration Register 2 + u32 MacConfig3; // 0x8C - AXGMAC Configuration Register 3 + u32 MacAddressLow; // 0x90 - AXGMAC MAC Station Address - octets 1-4 + u32 MacAddressHigh; // 0x94 - AXGMAC MAC Station Address - octets 5-6 + u32 MacReserved1[2]; // 0x98 - AXGMAC Reserved + u32 MacMaxFrameLen; // 0xA0 - AXGMAC Maximum Frame Length + u32 MacReserved2[2]; // 0xA4 - AXGMAC Reserved + u32 MacRevision; // 0xAC - AXGMAC Revision Level Register + u32 MacReserved3[4]; // 0xB0 - AXGMAC Reserved + u32 MacAmiimCmd; // 0xC0 - AXGMAC AMIIM Command Register + u32 MacAmiimField; // 0xC4 - AXGMAC AMIIM Field Register + u32 MacAmiimConfig; // 0xC8 - AXGMAC AMIIM Configuration Register + u32 MacAmiimLink; // 0xCC - AXGMAC AMIIM Link Fail Vector Register + u32 MacAmiimIndicator; // 0xD0 - AXGMAC AMIIM Indicator Registor + u32 PadTo0x100[11]; // 0xD4 - 0x100 - Pad + u32 XmtConfig; // 0x100 - Transmit Configuration Register + u32 RcvConfig; // 0x104 - Receive Configuration Register 1 + u32 LinkAddress0Low; // 0x108 - Link address 0 + u32 LinkAddress0High; // 0x10C - Link address 0 + u32 LinkAddress1Low; // 0x110 - Link address 1 + u32 LinkAddress1High; // 0x114 - Link address 1 + u32 LinkAddress2Low; // 0x118 - Link address 2 + u32 LinkAddress2High; // 0x11C - Link address 2 + u32 LinkAddress3Low; // 0x120 - Link address 3 + u32 LinkAddress3High; // 0x124 - Link address 3 + u32 ToeplitzKey[10]; // 0x128 - 0x150 - Toeplitz key + u32 SocketKey[10]; // 0x150 - 0x178 - Socket Key + u32 LinkStatus; // 0x178 - Link status + u32 ClearStats; // 0x17C - Clear Stats + u32 XmtErrorsLow; // 0x180 - Transmit stats - errors + u32 XmtErrorsHigh; // 0x184 - Transmit stats - errors + u32 XmtFramesLow; // 0x188 - Transmit stats - frame count + u32 XmtFramesHigh; // 0x18C - Transmit stats - frame count + u32 XmtBytesLow; // 0x190 - Transmit stats - byte count + u32 XmtBytesHigh; // 0x194 - Transmit stats - byte count + u32 XmtTcpSegmentsLow; // 0x198 - Transmit stats - TCP segments + u32 XmtTcpSegmentsHigh; // 0x19C - Transmit stats - TCP segments + u32 XmtTcpBytesLow; // 0x1A0 - Transmit stats - TCP bytes + u32 XmtTcpBytesHigh; // 0x1A4 - Transmit stats - TCP bytes + u32 RcvErrorsLow; // 0x1A8 - Receive stats - errors + u32 RcvErrorsHigh; // 0x1AC - Receive stats - errors + u32 RcvFramesLow; // 0x1B0 - Receive stats - frame count + u32 RcvFramesHigh; // 0x1B4 - Receive stats - frame count + u32 RcvBytesLow; // 0x1B8 - Receive stats - byte count + u32 RcvBytesHigh; // 0x1BC - Receive stats - byte count + u32 RcvTcpSegmentsLow; // 0x1C0 - Receive stats - TCP segments + u32 RcvTcpSegmentsHigh; // 0x1C4 - Receive stats - TCP segments + u32 RcvTcpBytesLow; // 0x1C8 - Receive stats - TCP bytes + u32 RcvTcpBytesHigh; // 0x1CC - Receive stats - TCP bytes + u32 PadTo0x200[12]; // 0x1D0 - 0x200 - Pad + u32 Software[1920]; // 0x200 - 0x2000 - Software defined (not used) + u32 MsixTable[1024]; // 0x2000 - 0x3000 - MSIX Table + u32 MsixBitArray[1024]; // 0x3000 - 0x4000 - MSIX Pending Bit Array +} SXG_HW_REGS, *PSXG_HW_REGS; +#pragma pack(pop) + +// Microcode Address Flags +#define MICROCODE_ADDRESS_GO 0x80000000 // Start microcode +#define MICROCODE_ADDRESS_WRITE 0x40000000 // Store microcode +#define MICROCODE_ADDRESS_READ 0x20000000 // Read microcode +#define MICROCODE_ADDRESS_PARITY 0x10000000 // Parity error detected +#define MICROCODE_ADDRESS_MASK 0x00001FFF // Address bits + +// Link Address Registers +#define LINK_ADDRESS_ENABLE 0x80000000 // Applied to link address high + +// Microsoft register space size +#define SXG_UCODEREG_MEMSIZE 0x40000 // 256k + +// Sahara microcode register address format. The command code, +// extended command code, and associated processor are encoded in +// the address bits as follows +#define SXG_ADDRESS_CODE_SHIFT 2 // Base command code +#define SXG_ADDRESS_CODE_MASK 0x0000003C +#define SXG_ADDRESS_EXCODE_SHIFT 6 // Extended (or sub) command code +#define SXG_ADDRESS_EXCODE_MASK 0x00001FC0 +#define SXG_ADDRESS_CPUID_SHIFT 13 // CPU +#define SXG_ADDRESS_CPUID_MASK 0x0003E000 +#define SXG_REGISTER_SIZE_PER_CPU 0x00002000 // Used to sanity check UCODE_REGS structure + +// Sahara receive sequencer status values +#define SXG_RCV_STATUS_ATTN 0x80000000 // Attention +#define SXG_RCV_STATUS_TRANSPORT_MASK 0x3F000000 // Transport mask +#define SXG_RCV_STATUS_TRANSPORT_ERROR 0x20000000 // Transport error +#define SXG_RCV_STATUS_TRANSPORT_CSUM 0x23000000 // Transport cksum error +#define SXG_RCV_STATUS_TRANSPORT_UFLOW 0x22000000 // Transport underflow +#define SXG_RCV_STATUS_TRANSPORT_HDRLEN 0x20000000 // Transport header length +#define SXG_RCV_STATUS_TRANSPORT_FLAGS 0x10000000 // Transport flags detected +#define SXG_RCV_STATUS_TRANSPORT_OPTS 0x08000000 // Transport options detected +#define SXG_RCV_STATUS_TRANSPORT_SESS_MASK 0x07000000 // Transport DDP +#define SXG_RCV_STATUS_TRANSPORT_DDP 0x06000000 // Transport DDP +#define SXG_RCV_STATUS_TRANSPORT_iSCSI 0x05000000 // Transport iSCSI +#define SXG_RCV_STATUS_TRANSPORT_NFS 0x04000000 // Transport NFS +#define SXG_RCV_STATUS_TRANSPORT_FTP 0x03000000 // Transport FTP +#define SXG_RCV_STATUS_TRANSPORT_HTTP 0x02000000 // Transport HTTP +#define SXG_RCV_STATUS_TRANSPORT_SMB 0x01000000 // Transport SMB +#define SXG_RCV_STATUS_NETWORK_MASK 0x00FF0000 // Network mask +#define SXG_RCV_STATUS_NETWORK_ERROR 0x00800000 // Network error +#define SXG_RCV_STATUS_NETWORK_CSUM 0x00830000 // Network cksum error +#define SXG_RCV_STATUS_NETWORK_UFLOW 0x00820000 // Network underflow error +#define SXG_RCV_STATUS_NETWORK_HDRLEN 0x00800000 // Network header length +#define SXG_RCV_STATUS_NETWORK_OFLOW 0x00400000 // Network overflow detected +#define SXG_RCV_STATUS_NETWORK_MCAST 0x00200000 // Network multicast detected +#define SXG_RCV_STATUS_NETWORK_OPTIONS 0x00100000 // Network options detected +#define SXG_RCV_STATUS_NETWORK_OFFSET 0x00080000 // Network offset detected +#define SXG_RCV_STATUS_NETWORK_FRAGMENT 0x00040000 // Network fragment detected +#define SXG_RCV_STATUS_NETWORK_TRANS_MASK 0x00030000 // Network transport type mask +#define SXG_RCV_STATUS_NETWORK_UDP 0x00020000 // UDP +#define SXG_RCV_STATUS_NETWORK_TCP 0x00010000 // TCP +#define SXG_RCV_STATUS_IPONLY 0x00008000 // IP-only not TCP +#define SXG_RCV_STATUS_PKT_PRI 0x00006000 // Receive priority +#define SXG_RCV_STATUS_PKT_PRI_SHFT 13 // Receive priority shift +#define SXG_RCV_STATUS_PARITY 0x00001000 // MAC Receive RAM parity error +#define SXG_RCV_STATUS_ADDRESS_MASK 0x00000F00 // Link address detection mask +#define SXG_RCV_STATUS_ADDRESS_D 0x00000B00 // Link address D +#define SXG_RCV_STATUS_ADDRESS_C 0x00000A00 // Link address C +#define SXG_RCV_STATUS_ADDRESS_B 0x00000900 // Link address B +#define SXG_RCV_STATUS_ADDRESS_A 0x00000800 // Link address A +#define SXG_RCV_STATUS_ADDRESS_BCAST 0x00000300 // Link address broadcast +#define SXG_RCV_STATUS_ADDRESS_MCAST 0x00000200 // Link address multicast +#define SXG_RCV_STATUS_ADDRESS_CMCAST 0x00000100 // Link control multicast +#define SXG_RCV_STATUS_LINK_MASK 0x000000FF // Link status mask +#define SXG_RCV_STATUS_LINK_ERROR 0x00000080 // Link error +#define SXG_RCV_STATUS_LINK_MASK 0x000000FF // Link status mask +#define SXG_RCV_STATUS_LINK_PARITY 0x00000087 // RcvMacQ parity error +#define SXG_RCV_STATUS_LINK_EARLY 0x00000086 // Data early +#define SXG_RCV_STATUS_LINK_BUFOFLOW 0x00000085 // Buffer overflow +#define SXG_RCV_STATUS_LINK_CODE 0x00000084 // Link code error +#define SXG_RCV_STATUS_LINK_DRIBBLE 0x00000083 // Dribble nibble +#define SXG_RCV_STATUS_LINK_CRC 0x00000082 // CRC error +#define SXG_RCV_STATUS_LINK_OFLOW 0x00000081 // Link overflow +#define SXG_RCV_STATUS_LINK_UFLOW 0x00000080 // Link underflow +#define SXG_RCV_STATUS_LINK_8023 0x00000020 // 802.3 +#define SXG_RCV_STATUS_LINK_SNAP 0x00000010 // Snap +#define SXG_RCV_STATUS_LINK_VLAN 0x00000008 // VLAN +#define SXG_RCV_STATUS_LINK_TYPE_MASK 0x00000007 // Network type mask +#define SXG_RCV_STATUS_LINK_CONTROL 0x00000003 // Control packet +#define SXG_RCV_STATUS_LINK_IPV6 0x00000002 // IPv6 packet +#define SXG_RCV_STATUS_LINK_IPV4 0x00000001 // IPv4 packet + +/*************************************************************************** + * Sahara receive and transmit configuration registers + ***************************************************************************/ +#define RCV_CONFIG_RESET 0x80000000 // RcvConfig register reset +#define RCV_CONFIG_ENABLE 0x40000000 // Enable the receive logic +#define RCV_CONFIG_ENPARSE 0x20000000 // Enable the receive parser +#define RCV_CONFIG_SOCKET 0x10000000 // Enable the socket detector +#define RCV_CONFIG_RCVBAD 0x08000000 // Receive all bad frames +#define RCV_CONFIG_CONTROL 0x04000000 // Receive all control frames +#define RCV_CONFIG_RCVPAUSE 0x02000000 // Enable pause transmit when attn +#define RCV_CONFIG_TZIPV6 0x01000000 // Include TCP port w/ IPv6 toeplitz +#define RCV_CONFIG_TZIPV4 0x00800000 // Include TCP port w/ IPv4 toeplitz +#define RCV_CONFIG_FLUSH 0x00400000 // Flush buffers +#define RCV_CONFIG_PRIORITY_MASK 0x00300000 // Priority level +#define RCV_CONFIG_HASH_MASK 0x00030000 // Hash depth +#define RCV_CONFIG_HASH_8 0x00000000 // Hash depth 8 +#define RCV_CONFIG_HASH_16 0x00010000 // Hash depth 16 +#define RCV_CONFIG_HASH_4 0x00020000 // Hash depth 4 +#define RCV_CONFIG_HASH_2 0x00030000 // Hash depth 2 +#define RCV_CONFIG_BUFLEN_MASK 0x0000FFF0 // Buffer length bits 15:4. ie multiple of 16. +#define RCV_CONFIG_SKT_DIS 0x00000008 // Disable socket detection on attn +// Macro to determine RCV_CONFIG_BUFLEN based on maximum frame size. +// We add 18 bytes for Sahara receive status and padding, plus 4 bytes for CRC, +// and round up to nearest 16 byte boundary +#define RCV_CONFIG_BUFSIZE(_MaxFrame) ((((_MaxFrame) + 22) + 15) & RCV_CONFIG_BUFLEN_MASK) + +#define XMT_CONFIG_RESET 0x80000000 // XmtConfig register reset +#define XMT_CONFIG_ENABLE 0x40000000 // Enable transmit logic +#define XMT_CONFIG_MAC_PARITY 0x20000000 // Inhibit MAC RAM parity error +#define XMT_CONFIG_BUF_PARITY 0x10000000 // Inhibit D2F buffer parity error +#define XMT_CONFIG_MEM_PARITY 0x08000000 // Inhibit 1T SRAM parity error +#define XMT_CONFIG_INVERT_PARITY 0x04000000 // Invert MAC RAM parity +#define XMT_CONFIG_INITIAL_IPID 0x0000FFFF // Initial IPID + +/*************************************************************************** + * A-XGMAC Registers - Occupy 0x80 - 0xD4 of the SXG_HW_REGS + * + * Full register descriptions can be found in axgmac.pdf + ***************************************************************************/ +// A-XGMAC Configuration Register 0 +#define AXGMAC_CFG0_SUB_RESET 0x80000000 // Sub module reset +#define AXGMAC_CFG0_RCNTRL_RESET 0x00400000 // Receive control reset +#define AXGMAC_CFG0_RFUNC_RESET 0x00200000 // Receive function reset +#define AXGMAC_CFG0_TCNTRL_RESET 0x00040000 // Transmit control reset +#define AXGMAC_CFG0_TFUNC_RESET 0x00020000 // Transmit function reset +#define AXGMAC_CFG0_MII_RESET 0x00010000 // MII Management reset + +// A-XGMAC Configuration Register 1 +#define AXGMAC_CFG1_XMT_PAUSE 0x80000000 // Allow the sending of Pause frames +#define AXGMAC_CFG1_XMT_EN 0x40000000 // Enable transmit +#define AXGMAC_CFG1_RCV_PAUSE 0x20000000 // Allow the detection of Pause frames +#define AXGMAC_CFG1_RCV_EN 0x10000000 // Enable receive +#define AXGMAC_CFG1_XMT_STATE 0x04000000 // Current transmit state - READ ONLY +#define AXGMAC_CFG1_RCV_STATE 0x01000000 // Current receive state - READ ONLY +#define AXGMAC_CFG1_XOFF_SHORT 0x00001000 // Only pause for 64 slot on XOFF +#define AXGMAC_CFG1_XMG_FCS1 0x00000400 // Delay transmit FCS 1 4-byte word +#define AXGMAC_CFG1_XMG_FCS2 0x00000800 // Delay transmit FCS 2 4-byte words +#define AXGMAC_CFG1_XMG_FCS3 0x00000C00 // Delay transmit FCS 3 4-byte words +#define AXGMAC_CFG1_RCV_FCS1 0x00000100 // Delay receive FCS 1 4-byte word +#define AXGMAC_CFG1_RCV_FCS2 0x00000200 // Delay receive FCS 2 4-byte words +#define AXGMAC_CFG1_RCV_FCS3 0x00000300 // Delay receive FCS 3 4-byte words +#define AXGMAC_CFG1_PKT_OVERRIDE 0x00000080 // Per-packet override enable +#define AXGMAC_CFG1_SWAP 0x00000040 // Byte swap enable +#define AXGMAC_CFG1_SHORT_ASSERT 0x00000020 // ASSERT srdrpfrm on short frame (<64) +#define AXGMAC_CFG1_RCV_STRICT 0x00000010 // RCV only 802.3AE when CLEAR +#define AXGMAC_CFG1_CHECK_LEN 0x00000008 // Verify frame length +#define AXGMAC_CFG1_GEN_FCS 0x00000004 // Generate FCS +#define AXGMAC_CFG1_PAD_MASK 0x00000003 // Mask for pad bits +#define AXGMAC_CFG1_PAD_64 0x00000001 // Pad frames to 64 bytes +#define AXGMAC_CFG1_PAD_VLAN 0x00000002 // Detect VLAN and pad to 68 bytes +#define AXGMAC_CFG1_PAD_68 0x00000003 // Pad to 68 bytes + +// A-XGMAC Configuration Register 2 +#define AXGMAC_CFG2_GEN_PAUSE 0x80000000 // Generate single pause frame (test) +#define AXGMAC_CFG2_LF_MANUAL 0x08000000 // Manual link fault sequence +#define AXGMAC_CFG2_LF_AUTO 0x04000000 // Auto link fault sequence +#define AXGMAC_CFG2_LF_REMOTE 0x02000000 // Remote link fault (READ ONLY) +#define AXGMAC_CFG2_LF_LOCAL 0x01000000 // Local link fault (READ ONLY) +#define AXGMAC_CFG2_IPG_MASK 0x001F0000 // Inter packet gap +#define AXGMAC_CFG2_IPG_SHIFT 16 +#define AXGMAC_CFG2_PAUSE_XMT 0x00008000 // Pause transmit module +#define AXGMAC_CFG2_IPG_EXTEN 0x00000020 // Enable IPG extension algorithm +#define AXGMAC_CFG2_IPGEX_MASK 0x0000001F // IPG extension + +// A-XGMAC Configuration Register 3 +#define AXGMAC_CFG3_RCV_DROP 0xFFFF0000 // Receive frame drop filter +#define AXGMAC_CFG3_RCV_DONT_CARE 0x0000FFFF // Receive frame don't care filter + +// A-XGMAC Station Address Register - Octets 1-4 +#define AXGMAC_SARLOW_OCTET_ONE 0xFF000000 // First octet +#define AXGMAC_SARLOW_OCTET_TWO 0x00FF0000 // Second octet +#define AXGMAC_SARLOW_OCTET_THREE 0x0000FF00 // Third octet +#define AXGMAC_SARLOW_OCTET_FOUR 0x000000FF // Fourth octet + +// A-XGMAC Station Address Register - Octets 5-6 +#define AXGMAC_SARHIGH_OCTET_FIVE 0xFF000000 // Fifth octet +#define AXGMAC_SARHIGH_OCTET_SIX 0x00FF0000 // Sixth octet + +// A-XGMAC Maximum frame length register +#define AXGMAC_MAXFRAME_XMT 0x3FFF0000 // Maximum transmit frame length +#define AXGMAC_MAXFRAME_XMT_SHIFT 16 +#define AXGMAC_MAXFRAME_RCV 0x0000FFFF // Maximum receive frame length +// This register doesn't need to be written for standard MTU. +// For jumbo, I'll just statically define the value here. This +// value sets the receive byte count to 9036 (0x234C) and the +// transmit WORD count to 2259 (0x8D3). These values include 22 +// bytes of padding beyond the jumbo MTU of 9014 +#define AXGMAC_MAXFRAME_JUMBO 0x08D3234C + +// A-XGMAC Revision level +#define AXGMAC_REVISION_MASK 0x0000FFFF // Revision level + +// A-XGMAC AMIIM Command Register +#define AXGMAC_AMIIM_CMD_START 0x00000008 // Command start +#define AXGMAC_AMIIM_CMD_MASK 0x00000007 // Command +#define AXGMAC_AMIIM_CMD_LEGACY_WRITE 1 // 10/100/1000 Mbps Phy Write +#define AXGMAC_AMIIM_CMD_LEGACY_READ 2 // 10/100/1000 Mbps Phy Read +#define AXGMAC_AMIIM_CMD_MONITOR_SINGLE 3 // Monitor single PHY +#define AXGMAC_AMIIM_CMD_MONITOR_MULTIPLE 4 // Monitor multiple contiguous PHYs +#define AXGMAC_AMIIM_CMD_10G_OPERATION 5 // Present AMIIM Field Reg +#define AXGMAC_AMIIM_CMD_CLEAR_LINK_FAIL 6 // Clear Link Fail Bit in MIIM + +// A-XGMAC AMIIM Field Register +#define AXGMAC_AMIIM_FIELD_ST 0xC0000000 // 2-bit ST field +#define AXGMAC_AMIIM_FIELD_ST_SHIFT 30 +#define AXGMAC_AMIIM_FIELD_OP 0x30000000 // 2-bit OP field +#define AXGMAC_AMIIM_FIELD_OP_SHIFT 28 +#define AXGMAC_AMIIM_FIELD_PORT_ADDR 0x0F800000 // Port address field (hstphyadx in spec) +#define AXGMAC_AMIIM_FIELD_PORT_SHIFT 23 +#define AXGMAC_AMIIM_FIELD_DEV_ADDR 0x007C0000 // Device address field (hstregadx in spec) +#define AXGMAC_AMIIM_FIELD_DEV_SHIFT 18 +#define AXGMAC_AMIIM_FIELD_TA 0x00030000 // 2-bit TA field +#define AXGMAC_AMIIM_FIELD_TA_SHIFT 16 +#define AXGMAC_AMIIM_FIELD_DATA 0x0000FFFF // Data field + +// Values for the AXGMAC_AMIIM_FIELD_OP field in the A-XGMAC AMIIM Field Register +#define MIIM_OP_ADDR 0 // MIIM Address set operation +#define MIIM_OP_WRITE 1 // MIIM Write register operation +#define MIIM_OP_READ 2 // MIIM Read register operation +#define MIIM_OP_ADDR_SHIFT (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) + +// Values for the AXGMAC_AMIIM_FIELD_PORT_ADDR field in the A-XGMAC AMIIM Field Register +#define MIIM_PORT_NUM 1 // All Sahara MIIM modules use port 1 + +// Values for the AXGMAC_AMIIM_FIELD_DEV_ADDR field in the A-XGMAC AMIIM Field Register +#define MIIM_DEV_PHY_PMA 1 // PHY PMA/PMD module MIIM device number +#define MIIM_DEV_PHY_PCS 3 // PHY PCS module MIIM device number +#define MIIM_DEV_PHY_XS 4 // PHY XS module MIIM device number +#define MIIM_DEV_XGXS 5 // XGXS MIIM device number + +// Values for the AXGMAC_AMIIM_FIELD_TA field in the A-XGMAC AMIIM Field Register +#define MIIM_TA_10GB 2 // set to 2 for 10 GB operation + +// A-XGMAC AMIIM Configuration Register +#define AXGMAC_AMIIM_CFG_NOPREAM 0x00000080 // Bypass preamble of mngmt frame +#define AXGMAC_AMIIM_CFG_HALF_CLOCK 0x0000007F // half-clock duration of MDC output + +// A-XGMAC AMIIM Indicator Register +#define AXGMAC_AMIIM_INDC_LINK 0x00000010 // Link status from legacy PHY or MMD +#define AXGMAC_AMIIM_INDC_MPHY 0x00000008 // Multiple phy operation in progress +#define AXGMAC_AMIIM_INDC_SPHY 0x00000004 // Single phy operation in progress +#define AXGMAC_AMIIM_INDC_MON 0x00000002 // Single or multiple monitor cmd +#define AXGMAC_AMIIM_INDC_BUSY 0x00000001 // Set until cmd operation complete + +// Link Status and Control Register +#define LS_PHY_CLR_RESET 0x80000000 // Clear reset signal to PHY +#define LS_SERDES_POWER_DOWN 0x40000000 // Power down the Sahara Serdes +#define LS_XGXS_ENABLE 0x20000000 // Enable the XAUI XGXS logic +#define LS_XGXS_CTL 0x10000000 // Hold XAUI XGXS logic reset until Serdes is up +#define LS_SERDES_DOWN 0x08000000 // When 0, XAUI Serdes is up and initialization is complete +#define LS_TRACE_DOWN 0x04000000 // When 0, Trace Serdes is up and initialization is complete +#define LS_PHY_CLK_25MHZ 0x02000000 // Set PHY clock to 25 MHz (else 156.125 MHz) +#define LS_PHY_CLK_EN 0x01000000 // Enable clock to PHY +#define LS_XAUI_LINK_UP 0x00000010 // XAUI link is up +#define LS_XAUI_LINK_CHNG 0x00000008 // XAUI link status has changed +#define LS_LINK_ALARM 0x00000004 // Link alarm pin +#define LS_ATTN_CTRL_MASK 0x00000003 // Mask link attention control bits +#define LS_ATTN_ALARM 0x00000000 // 00 => Attn on link alarm +#define LS_ATTN_ALARM_OR_STAT_CHNG 0x00000001 // 01 => Attn on link alarm or status change +#define LS_ATTN_STAT_CHNG 0x00000002 // 10 => Attn on link status change +#define LS_ATTN_NONE 0x00000003 // 11 => no Attn + +// Link Address High Registers +#define LINK_ADDR_ENABLE 0x80000000 // Enable this link address + + +/*************************************************************************** + * XGXS XAUI XGMII Extender registers + * + * Full register descriptions can be found in mxgxs.pdf + ***************************************************************************/ +// XGXS Register Map +#define XGXS_ADDRESS_CONTROL1 0x0000 // XS Control 1 +#define XGXS_ADDRESS_STATUS1 0x0001 // XS Status 1 +#define XGXS_ADDRESS_DEVID_LOW 0x0002 // XS Device ID (low) +#define XGXS_ADDRESS_DEVID_HIGH 0x0003 // XS Device ID (high) +#define XGXS_ADDRESS_SPEED 0x0004 // XS Speed ability +#define XGXS_ADDRESS_DEV_LOW 0x0005 // XS Devices in package +#define XGXS_ADDRESS_DEV_HIGH 0x0006 // XS Devices in package +#define XGXS_ADDRESS_STATUS2 0x0008 // XS Status 2 +#define XGXS_ADDRESS_PKGID_lOW 0x000E // XS Package Identifier +#define XGXS_ADDRESS_PKGID_HIGH 0x000F // XS Package Identifier +#define XGXS_ADDRESS_LANE_STATUS 0x0018 // 10G XGXS Lane Status +#define XGXS_ADDRESS_TEST_CTRL 0x0019 // 10G XGXS Test Control +#define XGXS_ADDRESS_RESET_LO1 0x8000 // Vendor-Specific Reset Lo 1 +#define XGXS_ADDRESS_RESET_LO2 0x8001 // Vendor-Specific Reset Lo 2 +#define XGXS_ADDRESS_RESET_HI1 0x8002 // Vendor-Specific Reset Hi 1 +#define XGXS_ADDRESS_RESET_HI2 0x8003 // Vendor-Specific Reset Hi 2 + +// XS Control 1 register bit definitions +#define XGXS_CONTROL1_RESET 0x8000 // Reset - self clearing +#define XGXS_CONTROL1_LOOPBACK 0x4000 // Enable loopback +#define XGXS_CONTROL1_SPEED1 0x2000 // 0 = unspecified, 1 = 10Gb+ +#define XGXS_CONTROL1_LOWPOWER 0x0400 // 1 = Low power mode +#define XGXS_CONTROL1_SPEED2 0x0040 // Same as SPEED1 (?) +#define XGXS_CONTROL1_SPEED 0x003C // Everything reserved except zero (?) + +// XS Status 1 register bit definitions +#define XGXS_STATUS1_FAULT 0x0080 // Fault detected +#define XGXS_STATUS1_LINK 0x0004 // 1 = Link up +#define XGXS_STATUS1_LOWPOWER 0x0002 // 1 = Low power supported + +// XS Speed register bit definitions +#define XGXS_SPEED_10G 0x0001 // 1 = 10G capable + +// XS Devices register bit definitions +#define XGXS_DEVICES_DTE 0x0020 // DTE XS Present +#define XGXS_DEVICES_PHY 0x0010 // PHY XS Present +#define XGXS_DEVICES_PCS 0x0008 // PCS Present +#define XGXS_DEVICES_WIS 0x0004 // WIS Present +#define XGXS_DEVICES_PMD 0x0002 // PMD/PMA Present +#define XGXS_DEVICES_CLAUSE22 0x0001 // Clause 22 registers present + +// XS Devices High register bit definitions +#define XGXS_DEVICES_VENDOR2 0x8000 // Vendor specific device 2 +#define XGXS_DEVICES_VENDOR1 0x4000 // Vendor specific device 1 + +// XS Status 2 register bit definitions +#define XGXS_STATUS2_DEV_MASK 0xC000 // Device present mask +#define XGXS_STATUS2_DEV_RESPOND 0x8000 // Device responding +#define XGXS_STATUS2_XMT_FAULT 0x0800 // Transmit fault +#define XGXS_STATUS2_RCV_FAULT 0x0400 // Receive fault + +// XS Package ID High register bit definitions +#define XGXS_PKGID_HIGH_ORG 0xFC00 // Organizationally Unique +#define XGXS_PKGID_HIGH_MFG 0x03F0 // Manufacturer Model +#define XGXS_PKGID_HIGH_REV 0x000F // Revision Number + +// XS Lane Status register bit definitions +#define XGXS_LANE_PHY 0x1000 // PHY/DTE lane alignment status +#define XGXS_LANE_PATTERN 0x0800 // Pattern testing ability +#define XGXS_LANE_LOOPBACK 0x0400 // PHY loopback ability +#define XGXS_LANE_SYNC3 0x0008 // Lane 3 sync +#define XGXS_LANE_SYNC2 0x0004 // Lane 2 sync +#define XGXS_LANE_SYNC1 0x0002 // Lane 1 sync +#define XGXS_LANE_SYNC0 0x0001 // Lane 0 sync + +// XS Test Control register bit definitions +#define XGXS_TEST_PATTERN_ENABLE 0x0004 // Test pattern enabled +#define XGXS_TEST_PATTERN_MASK 0x0003 // Test patterns +#define XGXS_TEST_PATTERN_RSVD 0x0003 // Test pattern - reserved +#define XGXS_TEST_PATTERN_MIX 0x0002 // Test pattern - mixed +#define XGXS_TEST_PATTERN_LOW 0x0001 // Test pattern - low +#define XGXS_TEST_PATTERN_HIGH 0x0001 // Test pattern - high + +/*************************************************************************** + * External MDIO Bus Registers + * + * Full register descriptions can be found in PHY/XENPAK/IEEE specs + ***************************************************************************/ +// LASI (Link Alarm Status Interrupt) Registers (located in MIIM_DEV_PHY_PMA device) +#define LASI_RX_ALARM_CONTROL 0x9000 // LASI RX_ALARM Control +#define LASI_TX_ALARM_CONTROL 0x9001 // LASI TX_ALARM Control +#define LASI_CONTROL 0x9002 // LASI Control +#define LASI_RX_ALARM_STATUS 0x9003 // LASI RX_ALARM Status +#define LASI_TX_ALARM_STATUS 0x9004 // LASI TX_ALARM Status +#define LASI_STATUS 0x9005 // LASI Status + +// LASI_CONTROL bit definitions +#define LASI_CTL_RX_ALARM_ENABLE 0x0004 // Enable RX_ALARM interrupts +#define LASI_CTL_TX_ALARM_ENABLE 0x0002 // Enable TX_ALARM interrupts +#define LASI_CTL_LS_ALARM_ENABLE 0x0001 // Enable Link Status interrupts + +// LASI_STATUS bit definitions +#define LASI_STATUS_RX_ALARM 0x0004 // RX_ALARM status +#define LASI_STATUS_TX_ALARM 0x0002 // TX_ALARM status +#define LASI_STATUS_LS_ALARM 0x0001 // Link Status + +// PHY registers - PMA/PMD (device 1) +#define PHY_PMA_CONTROL1 0x0000 // PMA/PMD Control 1 +#define PHY_PMA_STATUS1 0x0001 // PMA/PMD Status 1 +#define PHY_PMA_RCV_DET 0x000A // PMA/PMD Receive Signal Detect + // other PMA/PMD registers exist and can be defined as needed + +// PHY registers - PCS (device 3) +#define PHY_PCS_CONTROL1 0x0000 // PCS Control 1 +#define PHY_PCS_STATUS1 0x0001 // PCS Status 1 +#define PHY_PCS_10G_STATUS1 0x0020 // PCS 10GBASE-R Status 1 + // other PCS registers exist and can be defined as needed + +// PHY registers - XS (device 4) +#define PHY_XS_CONTROL1 0x0000 // XS Control 1 +#define PHY_XS_STATUS1 0x0001 // XS Status 1 +#define PHY_XS_LANE_STATUS 0x0018 // XS Lane Status + // other XS registers exist and can be defined as needed + +// PHY_PMA_CONTROL1 register bit definitions +#define PMA_CONTROL1_RESET 0x8000 // PMA/PMD reset + +// PHY_PMA_RCV_DET register bit definitions +#define PMA_RCV_DETECT 0x0001 // PMA/PMD receive signal detect + +// PHY_PCS_10G_STATUS1 register bit definitions +#define PCS_10B_BLOCK_LOCK 0x0001 // PCS 10GBASE-R locked to receive blocks + +// PHY_XS_LANE_STATUS register bit definitions +#define XS_LANE_ALIGN 0x1000 // XS transmit lanes aligned + +// PHY Microcode download data structure +typedef struct _PHY_UCODE { + ushort Addr; + ushort Data; +} PHY_UCODE, *PPHY_UCODE; + + +/***************************************************************************** + * Transmit Sequencer Command Descriptor definitions + *****************************************************************************/ + +// This descriptor must be placed in GRAM. The address of this descriptor +// (along with a couple of control bits) is pushed onto the PxhCmdQ or PxlCmdQ +// (Proxy high or low command queue). This data is read by the Proxy Sequencer, +// which pushes it onto the XmtCmdQ, which is (eventually) read by the Transmit +// Sequencer, causing a packet to be transmitted. Not all fields are valid for +// all commands - see the Sahara spec for details. Note that this structure is +// only valid when compiled on a little endian machine. +#pragma pack(push, 1) +typedef struct _XMT_DESC { + ushort XmtLen; // word 0, bits [15:0] - transmit length + unsigned char XmtCtl; // word 0, bits [23:16] - transmit control byte + unsigned char Cmd; // word 0, bits [31:24] - transmit command plus misc. + u32 XmtBufId; // word 1, bits [31:0] - transmit buffer ID + unsigned char TcpStrt; // word 2, bits [7:0] - byte address of TCP header + unsigned char IpStrt; // word 2, bits [15:8] - byte address of IP header + ushort IpCkSum; // word 2, bits [31:16] - partial IP checksum + ushort TcpCkSum; // word 3, bits [15:0] - partial TCP checksum + ushort Rsvd1; // word 3, bits [31:16] - PAD + u32 Rsvd2; // word 4, bits [31:0] - PAD + u32 Rsvd3; // word 5, bits [31:0] - PAD + u32 Rsvd4; // word 6, bits [31:0] - PAD + u32 Rsvd5; // word 7, bits [31:0] - PAD +} XMT_DESC, *PXMT_DESC; +#pragma pack(pop) + +// XMT_DESC Cmd byte definitions + // command codes +#define XMT_DESC_CMD_RAW_SEND 0 // raw send descriptor +#define XMT_DESC_CMD_CSUM_INSERT 1 // checksum insert descriptor +#define XMT_DESC_CMD_FORMAT 2 // format descriptor +#define XMT_DESC_CMD_PRIME 3 // prime descriptor +#define XMT_DESC_CMD_CODE_SHFT 6 // comand code shift (shift to bits [31:30] in word 0) + // shifted command codes +#define XMT_RAW_SEND (XMT_DESC_CMD_RAW_SEND << XMT_DESC_CMD_CODE_SHFT) +#define XMT_CSUM_INSERT (XMT_DESC_CMD_CSUM_INSERT << XMT_DESC_CMD_CODE_SHFT) +#define XMT_FORMAT (XMT_DESC_CMD_FORMAT << XMT_DESC_CMD_CODE_SHFT) +#define XMT_PRIME (XMT_DESC_CMD_PRIME << XMT_DESC_CMD_CODE_SHFT) + +// XMT_DESC Control Byte (XmtCtl) definitions +// NOTE: These bits do not work on Sahara (Rev A)! +#define XMT_CTL_PAUSE_FRAME 0x80 // current frame is a pause control frame (for statistics) +#define XMT_CTL_CONTROL_FRAME 0x40 // current frame is a control frame (for statistics) +#define XMT_CTL_PER_PKT_QUAL 0x20 // per packet qualifier +#define XMT_CTL_PAD_MODE_NONE 0x00 // do not pad frame +#define XMT_CTL_PAD_MODE_64 0x08 // pad frame to 64 bytes +#define XMT_CTL_PAD_MODE_VLAN_68 0x10 // pad frame to 64 bytes, and VLAN frames to 68 bytes +#define XMT_CTL_PAD_MODE_68 0x18 // pad frame to 68 bytes +#define XMT_CTL_GEN_FCS 0x04 // generate FCS (CRC) for this frame +#define XMT_CTL_DELAY_FCS_0 0x00 // do not delay FCS calcution +#define XMT_CTL_DELAY_FCS_1 0x01 // delay FCS calculation by 1 (4-byte) word +#define XMT_CTL_DELAY_FCS_2 0x02 // delay FCS calculation by 2 (4-byte) words +#define XMT_CTL_DELAY_FCS_3 0x03 // delay FCS calculation by 3 (4-byte) words + +// XMT_DESC XmtBufId definition +#define XMT_BUF_ID_SHFT 8 // The Xmt buffer ID is formed by dividing + // the buffer (DRAM) address by 256 (or << 8) + +/***************************************************************************** + * Receiver Sequencer Definitions + *****************************************************************************/ + +// Receive Event Queue (queues 3 - 6) bit definitions +#define RCV_EVTQ_RBFID_MASK 0x0000FFFF // bit mask for the Receive Buffer ID + +// Receive Buffer ID definition +#define RCV_BUF_ID_SHFT 5 // The Rcv buffer ID is formed by dividing + // the buffer (DRAM) address by 32 (or << 5) + +// Format of the 18 byte Receive Buffer returned by the +// Receive Sequencer for received packets +#pragma pack(push, 1) +typedef struct _RCV_BUF_HDR { + u32 Status; // Status word from Rcv Seq Parser + ushort Length; // Rcv packet byte count + union { + ushort TcpCsum; // TCP checksum + struct { + unsigned char TcpCsumL; // lower 8 bits of the TCP checksum + unsigned char LinkHash; // Link hash (multicast frames only) + }; + }; + ushort SktHash; // Socket hash + unsigned char TcpHdrOffset; // TCP header offset into packet + unsigned char IpHdrOffset; // IP header offset into packet + u32 TpzHash; // Toeplitz hash + ushort Reserved; // Reserved +} RCV_BUF_HDR, *PRCV_BUF_HDR; +#pragma pack(pop) + + +/***************************************************************************** + * Queue definitions + *****************************************************************************/ + +// Ingress (read only) queue numbers +#define PXY_BUF_Q 0 // Proxy Buffer Queue +#define HST_EVT_Q 1 // Host Event Queue +#define XMT_BUF_Q 2 // Transmit Buffer Queue +#define SKT_EVL_Q 3 // RcvSqr Socket Event Low Priority Queue +#define RCV_EVL_Q 4 // RcvSqr Rcv Event Low Priority Queue +#define SKT_EVH_Q 5 // RcvSqr Socket Event High Priority Queue +#define RCV_EVH_Q 6 // RcvSqr Rcv Event High Priority Queue +#define DMA_RSP_Q 7 // Dma Response Queue - one per CPU context +// Local (read/write) queue numbers +#define LOCAL_A_Q 8 // Spare local Queue +#define LOCAL_B_Q 9 // Spare local Queue +#define LOCAL_C_Q 10 // Spare local Queue +#define FSM_EVT_Q 11 // Finite-State-Machine Event Queue +#define SBF_PAL_Q 12 // System Buffer Physical Address (low) Queue +#define SBF_PAH_Q 13 // System Buffer Physical Address (high) Queue +#define SBF_VAL_Q 14 // System Buffer Virtual Address (low) Queue +#define SBF_VAH_Q 15 // System Buffer Virtual Address (high) Queue +// Egress (write only) queue numbers +#define H2G_CMD_Q 16 // Host to GlbRam DMA Command Queue +#define H2D_CMD_Q 17 // Host to DRAM DMA Command Queue +#define G2H_CMD_Q 18 // GlbRam to Host DMA Command Queue +#define G2D_CMD_Q 19 // GlbRam to DRAM DMA Command Queue +#define D2H_CMD_Q 20 // DRAM to Host DMA Command Queue +#define D2G_CMD_Q 21 // DRAM to GlbRam DMA Command Queue +#define D2D_CMD_Q 22 // DRAM to DRAM DMA Command Queue +#define PXL_CMD_Q 23 // Low Priority Proxy Command Queue +#define PXH_CMD_Q 24 // High Priority Proxy Command Queue +#define RSQ_CMD_Q 25 // Receive Sequencer Command Queue +#define RCV_BUF_Q 26 // Receive Buffer Queue + +// Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q) +#define PXY_COPY_EN 0x00200000 // enable copy of xmt descriptor to xmt command queue +#define PXY_SIZE_16 0x00000000 // copy 16 bytes +#define PXY_SIZE_32 0x00100000 // copy 32 bytes + +/***************************************************************************** + * SXG EEPROM/Flash Configuration Definitions + *****************************************************************************/ +#pragma pack(push, 1) + +// +typedef struct _HW_CFG_DATA { + ushort Addr; + union { + ushort Data; + ushort Checksum; + }; +} HW_CFG_DATA, *PHW_CFG_DATA; + +// +#define NUM_HW_CFG_ENTRIES ((128/sizeof(HW_CFG_DATA)) - 4) + +// MAC address +typedef struct _SXG_CONFIG_MAC { + unsigned char MacAddr[6]; // MAC Address +} SXG_CONFIG_MAC, *PSXG_CONFIG_MAC; + +// +typedef struct _ATK_FRU { + unsigned char PartNum[6]; + unsigned char Revision[2]; + unsigned char Serial[14]; +} ATK_FRU, *PATK_FRU; + +// OEM FRU Format types +#define ATK_FRU_FORMAT 0x0000 +#define CPQ_FRU_FORMAT 0x0001 +#define DELL_FRU_FORMAT 0x0002 +#define HP_FRU_FORMAT 0x0003 +#define IBM_FRU_FORMAT 0x0004 +#define EMC_FRU_FORMAT 0x0005 +#define NO_FRU_FORMAT 0xFFFF + +// EEPROM/Flash Format +typedef struct _SXG_CONFIG { + // + // Section 1 (128 bytes) + // + ushort MagicWord; // EEPROM/FLASH Magic code 'A5A5' + ushort SpiClks; // SPI bus clock dividers + HW_CFG_DATA HwCfg[NUM_HW_CFG_ENTRIES]; + // + // + // + ushort Version; // EEPROM format version + SXG_CONFIG_MAC MacAddr[4]; // space for 4 MAC addresses + ATK_FRU AtkFru; // FRU information + ushort OemFruFormat; // OEM FRU format type + unsigned char OemFru[76]; // OEM FRU information (optional) + ushort Checksum; // Checksum of section 2 + // CS info XXXTODO +} SXG_CONFIG, *PSXG_CONFIG; +#pragma pack(pop) + +/***************************************************************************** + * Miscellaneous Hardware definitions + *****************************************************************************/ + +// Sahara (ASIC level) defines +#define SAHARA_GRAM_SIZE 0x020000 // GRAM size - 128 KB +#define SAHARA_DRAM_SIZE 0x200000 // DRAM size - 2 MB +#define SAHARA_QRAM_SIZE 0x004000 // QRAM size - 16K entries (64 KB) +#define SAHARA_WCS_SIZE 0x002000 // WCS - 8K instructions (x 108 bits) + +// Arabia (board level) defines +#define FLASH_SIZE 0x080000 // 512 KB (4 Mb) +#define EEPROM_SIZE_XFMR 512 // true EEPROM size (bytes), including xfmr area +#define EEPROM_SIZE_NO_XFMR 256 // EEPROM size excluding xfmr area diff --git a/drivers/staging/sxg/sxgphycode.h b/drivers/staging/sxg/sxgphycode.h new file mode 100644 index 000000000000..26b36c81eb1a --- /dev/null +++ b/drivers/staging/sxg/sxgphycode.h @@ -0,0 +1,349 @@ +/* + * Copyright (C) 1997-2008 Alacritech, Inc. All rights reserved + * + * sxgphycode.h: + * + * This file PHY microcode and register initialization data. + */ + +/********************************************************************** + * PHY Microcode + * + * The following contains both PHY microcode and PHY register + * initialization data. It is specific to both the PHY and the + * type of transceiver. + * + **********************************************************************/ + +/* + * Download for AEL2005C PHY with SR/LR transceiver (10GBASE-SR or 10GBASE-LR) + */ +static PHY_UCODE PhyUcode[] = { + /* + * NOTE: An address of 0 is a special case. When the download routine + * sees an address of 0, it does not write to the PHY. Instead, it + * delays the download. The length of the delay (in ms) is given in + * the data field. + * + * Delays are required at certain points. + */ + + /* + * Platform-specific MDIO Patches: + * (include patches for 10G RX polarity flip, 50Mhz Synth, etc) + */ + /* Addr, Data */ + {0xc017, 0xfeb0}, /* flip RX_LOS polarity (mandatory */ + /* patch for SFP+ applications) */ + {0xC001, 0x0428}, /* flip RX serial polarity */ + + {0xc013, 0xf341}, /* invert lxmit clock (mandatory patch) */ + {0xc210, 0x8000}, /* reset datapath (mandatory patch) */ + {0xc210, 0x8100}, /* reset datapath (mandatory patch) */ + {0xc210, 0x8000}, /* reset datapath (mandatory patch) */ + {0xc210, 0x0000}, /* reset datapath (mandatory patch) */ + {0x0000, 0x0032}, /* wait for 50ms for datapath reset to */ + /* complete. (mandatory patch) */ + + /* Configure the LED's */ + {0xc214, 0x0099}, /* configure the LED drivers */ + {0xc216, 0x5f5f}, /* configure the Activity LED */ + {0xc217, 0x33ff}, /* configure the Link LED */ + + /* Transceiver-specific MDIO Patches: */ + {0xc010, 0x448a}, /* (bit 14) mask out high BER input from the */ + /* LOS signal in 1.000A */ + /* (mandatory patch for SR code)*/ + {0xc003, 0x0181}, /* (bit 7) enable the CDR inc setting in */ + /* 1.C005 (mandatory patch for SR code) */ + + /* Transceiver-specific Microcontroller Initialization: */ + {0xc04a, 0x5200}, /* activate microcontroller and pause */ + {0x0000, 0x0032}, /* wait 50ms for microcontroller before */ + /* writing in code. */ + + /* code block starts here: */ + {0xcc00, 0x2009}, + {0xcc01, 0x3009}, + {0xcc02, 0x27ff}, + {0xcc03, 0x300f}, + {0xcc04, 0x200c}, + {0xcc05, 0x300c}, + {0xcc06, 0x20c4}, + {0xcc07, 0x3c04}, + {0xcc08, 0x6437}, + {0xcc09, 0x20c4}, + {0xcc0a, 0x3c04}, + {0xcc0b, 0x6437}, + {0xcc0c, 0x25c4}, + {0xcc0d, 0x3c54}, + {0xcc0e, 0x6724}, + {0xcc0f, 0x25c4}, + {0xcc10, 0x3c54}, + {0xcc11, 0x6724}, + {0xcc12, 0x2042}, + {0xcc13, 0x3012}, + {0xcc14, 0x1002}, + {0xcc15, 0x2482}, + {0xcc16, 0x3012}, + {0xcc17, 0x1002}, + {0xcc18, 0x2a32}, + {0xcc19, 0x3002}, + {0xcc1a, 0x1002}, + {0xcc1b, 0x200d}, + {0xcc1c, 0x304d}, + {0xcc1d, 0x2862}, + {0xcc1e, 0x3012}, + {0xcc1f, 0x1002}, + {0xcc20, 0x2982}, + {0xcc21, 0x3002}, + {0xcc22, 0x1002}, + {0xcc23, 0x628f}, + {0xcc24, 0x20a4}, + {0xcc25, 0x3004}, + {0xcc26, 0x6438}, + {0xcc27, 0x20a4}, + {0xcc28, 0x3004}, + {0xcc29, 0x6438}, + {0xcc2a, 0x2015}, + {0xcc2b, 0x3005}, + {0xcc2c, 0x5853}, + {0xcc2d, 0x2bd2}, + {0xcc2e, 0x3002}, + {0xcc2f, 0x1342}, + {0xcc30, 0x200c}, + {0xcc31, 0x300c}, + {0xcc32, 0x2ff7}, + {0xcc33, 0x30f7}, + {0xcc34, 0x20c4}, + {0xcc35, 0x3c04}, + {0xcc36, 0x6724}, + {0xcc37, 0x20c4}, + {0xcc38, 0x3c04}, + {0xcc39, 0x6724}, + {0xcc3a, 0x2d32}, + {0xcc3b, 0x3002}, + {0xcc3c, 0x1002}, + {0xcc3d, 0x2008}, + {0xcc3e, 0x3008}, + {0xcc3f, 0x5c83}, + {0xcc40, 0x2d52}, + {0xcc41, 0x3002}, + {0xcc42, 0x1352}, + {0xcc43, 0x2008}, + {0xcc44, 0x3008}, + {0xcc45, 0x5c83}, + {0xcc46, 0x2d32}, + {0xcc47, 0x3002}, + {0xcc48, 0x1352}, + {0xcc49, 0x201c}, + {0xcc4a, 0x300c}, + {0xcc4b, 0x200d}, + {0xcc4c, 0x310d}, + {0xcc4d, 0x2862}, + {0xcc4e, 0x3012}, + {0xcc4f, 0x1002}, + {0xcc50, 0x2ed2}, + {0xcc51, 0x3002}, + {0xcc52, 0x1342}, + {0xcc53, 0x6f72}, + {0xcc54, 0x1002}, + {0xcc55, 0x628f}, + {0xcc56, 0x2514}, + {0xcc57, 0x3c64}, + {0xcc58, 0x6436}, + {0xcc59, 0x2514}, + {0xcc5a, 0x3c64}, + {0xcc5b, 0x6436}, + {0xcc5c, 0x2fa4}, + {0xcc5d, 0x3cd4}, + {0xcc5e, 0x6624}, + {0xcc5f, 0x2fa4}, + {0xcc60, 0x3cd4}, + {0xcc61, 0x6624}, + {0xcc62, 0x2f45}, + {0xcc63, 0x3015}, + {0xcc64, 0x5653}, + {0xcc65, 0x2eb2}, + {0xcc66, 0x3002}, + {0xcc67, 0x13d2}, + {0xcc68, 0x2ed2}, + {0xcc69, 0x3002}, + {0xcc6a, 0x1002}, + {0xcc6b, 0x6f72}, + {0xcc6c, 0x1002}, + {0xcc6d, 0x628f}, + {0xcc6e, 0x2602}, + {0xcc6f, 0x3012}, + {0xcc70, 0x1002}, + {0xcc71, 0x200d}, + {0xcc72, 0x320d}, + {0xcc73, 0x2862}, + {0xcc74, 0x3012}, + {0xcc75, 0x1002}, + {0xcc76, 0x25c4}, + {0xcc77, 0x3c54}, + {0xcc78, 0x6437}, + {0xcc79, 0x25c4}, + {0xcc7a, 0x3c54}, + {0xcc7b, 0x6437}, + {0xcc7c, 0x20c4}, + {0xcc7d, 0x3c04}, + {0xcc7e, 0x6724}, + {0xcc7f, 0x20c4}, + {0xcc80, 0x3c04}, + {0xcc81, 0x6724}, + {0xcc82, 0x6f72}, + {0xcc83, 0x1002}, + {0xcc84, 0x628f}, + {0xcc85, 0x26f2}, + {0xcc86, 0x3012}, + {0xcc87, 0x1002}, + {0xcc88, 0xc503}, + {0xcc89, 0xd5d5}, + {0xcc8a, 0xc600}, + {0xcc8b, 0x2a6d}, + {0xcc8c, 0xc601}, + {0xcc8d, 0x2a4c}, + {0xcc8e, 0xc602}, + {0xcc8f, 0x0111}, + {0xcc90, 0xc60c}, + {0xcc91, 0x5900}, + {0xcc92, 0xc710}, + {0xcc93, 0x0700}, + {0xcc94, 0xc718}, + {0xcc95, 0x0700}, + {0xcc96, 0xc720}, + {0xcc97, 0x4700}, + {0xcc98, 0xc801}, + {0xcc99, 0x7f50}, + {0xcc9a, 0xc802}, + {0xcc9b, 0x7760}, + {0xcc9c, 0xc803}, + {0xcc9d, 0x7fce}, + {0xcc9e, 0xc804}, + {0xcc9f, 0x5700}, + {0xcca0, 0xc805}, + {0xcca1, 0x5f11}, + {0xcca2, 0xc806}, + {0xcca3, 0x4751}, + {0xcca4, 0xc807}, + {0xcca5, 0x57e1}, + {0xcca6, 0xc808}, + {0xcca7, 0x2700}, + {0xcca8, 0xc809}, + {0xcca9, 0x0000}, + {0xccaa, 0xc821}, + {0xccab, 0x0002}, + {0xccac, 0xc822}, + {0xccad, 0x0014}, + {0xccae, 0xc832}, + {0xccaf, 0x1186}, + {0xccb0, 0xc847}, + {0xccb1, 0x1e02}, + {0xccb2, 0xc013}, + {0xccb3, 0xf341}, + {0xccb4, 0xc01a}, + {0xccb5, 0x0446}, + {0xccb6, 0xc024}, + {0xccb7, 0x1000}, + {0xccb8, 0xc025}, + {0xccb9, 0x0a00}, + {0xccba, 0xc026}, + {0xccbb, 0x0c0c}, + {0xccbc, 0xc027}, + {0xccbd, 0x0c0c}, + {0xccbe, 0xc029}, + {0xccbf, 0x00a0}, + {0xccc0, 0xc030}, + {0xccc1, 0x0a00}, + {0xccc2, 0xc03c}, + {0xccc3, 0x001c}, + {0xccc4, 0xc005}, + {0xccc5, 0x7a06}, + {0xccc6, 0x0000}, + {0xccc7, 0x0000}, + {0xccc8, 0x628f}, + {0xccc9, 0x26f2}, + {0xccca, 0x3012}, + {0xcccb, 0x1002}, + {0xcccc, 0xc620}, + {0xcccd, 0x0000}, + {0xccce, 0xc621}, + {0xcccf, 0x003f}, + {0xccd0, 0xc622}, + {0xccd1, 0x0000}, + {0xccd2, 0xc623}, + {0xccd3, 0x0000}, + {0xccd4, 0xc624}, + {0xccd5, 0x0000}, + {0xccd6, 0xc625}, + {0xccd7, 0x0000}, + {0xccd8, 0xc627}, + {0xccd9, 0x0000}, + {0xccda, 0xc628}, + {0xccdb, 0x0000}, + {0xccdc, 0xc62c}, + {0xccdd, 0x0000}, + {0xccde, 0x0000}, + {0xccdf, 0x0000}, + {0xcce0, 0x628f}, + {0xcce1, 0xd019}, + {0xcce2, 0x26f2}, + {0xcce3, 0x3012}, + {0xcce4, 0x1002}, + {0xcce5, 0xc210}, + {0xcce6, 0x8000}, + {0xcce7, 0xc210}, + {0xcce8, 0x8010}, + {0xcce9, 0xc210}, + {0xccea, 0x8000}, + {0xcceb, 0xc210}, + {0xccec, 0x0000}, + {0xcced, 0x0000}, + {0xccee, 0x0000}, + {0xccef, 0x8221}, + {0xccf0, 0x2752}, + {0xccf1, 0x3012}, + {0xccf2, 0x1002}, + {0xccf3, 0x6f72}, + {0xccf4, 0x1002}, + {0xccf5, 0x2806}, + {0xccf6, 0x3006}, + {0xccf7, 0x2007}, + {0xccf8, 0x3cc7}, + {0xccf9, 0xe161}, + {0xccfa, 0xc171}, + {0xccfb, 0x6134}, + {0xccfc, 0x6135}, + {0xccfd, 0x5453}, + {0xccfe, 0x2858}, + {0xccff, 0x3018}, + {0xcd00, 0x1348}, + {0xcd01, 0x6524}, + {0xcd02, 0x27b8}, + {0xcd03, 0x3018}, + {0xcd04, 0x1008}, + {0xcd05, 0x1002}, + {0xcd06, 0x628f}, + {0xcd07, 0x5dd3}, + {0xcd08, 0x2906}, + {0xcd09, 0x3016}, + {0xcd0a, 0x1306}, + {0xcd0b, 0x2ff7}, + {0xcd0c, 0x30f7}, + {0xcd0d, 0x60b7}, + {0xcd0e, 0xdffd}, + {0xcd0f, 0x0008}, + {0xcd10, 0x6f72}, + {0xcd11, 0x1002}, + {0xcd12, 0x0000}, + {0xcdff, 0x0a01}, + /* end of code block */ + + /* Unpause the microcontroller to start program */ + {0xca00, 0x0080}, + {0xca12, 0x0000}, + {0x0000, 0x000A}, /* wait 10ms just to be safe */ + {0xffff, 0xffff} /* table terminator */ +}; -- GitLab From cff338a9bd9d1acd6067d3ec93e846830e0b5974 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 21 Mar 2008 14:12:51 -0700 Subject: [PATCH 3633/6244] Staging: add me4000 firmware files Originally written by Guenter Gebhardt TODO: move this to the request_firmware() interface Cc: Wolfgang Beiter Cc: Guenter Gebhardt Signed-off-by: Greg Kroah-Hartman --- drivers/staging/me4000/me4000_firmware.h | 10033 +++++++++++++++++++++ drivers/staging/me4000/me4610_firmware.h | 5409 +++++++++++ 2 files changed, 15442 insertions(+) create mode 100644 drivers/staging/me4000/me4000_firmware.h create mode 100644 drivers/staging/me4000/me4610_firmware.h diff --git a/drivers/staging/me4000/me4000_firmware.h b/drivers/staging/me4000/me4000_firmware.h new file mode 100644 index 000000000000..87c23f6757b4 --- /dev/null +++ b/drivers/staging/me4000/me4000_firmware.h @@ -0,0 +1,10033 @@ +/* + This file is copyright by Meilhaus Electronic GmbH 2003. + You are not allowed to distribute, sell, modify, reverse engineer or use this + code (or parts of it) for any other purpose or under any other conditions + than stated below. + + 1) You are allowed to distribute verbatim copies of this file together + with device drivers for the Meilhaus ME-4000, board family. + + 2) Derived work (device drivers using this file) can be published under + the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. Any other license terms have + to be agreed by Meilhaus GmbH in written. + + 2) This file is distributed WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. Meilhaus is under + no means liable for products using this file or parts of it. + + 3) The copyright of this file has to be mentioned in derived work. + + 4) If this license terms are not valid due to any other law + or restrictions imposed on you, you are not allowed to use + this file in any way at all. + */ + +/* Version 18 of standard firmware */ +static unsigned char xilinx_firm[] = { +0x00, 0x01, 0xfb, 0xdc, 0x01, 0x01, 0x04, 0x00, 0x00, 0x09, 0x04, 0x02, 0x00, +0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x99, 0xAA, 0x66, 0x0C, 0x00, +0x01, 0x80, 0x00, 0x00, 0x00, 0xE0, 0x0C, 0x80, 0x06, 0x80, 0x00, 0x00, 0x00, +0xF0, 0x0C, 0x80, 0x04, 0x80, 0x00, 0x01, 0xFC, 0xB4, 0x0C, 0x00, 0x03, 0x80, +0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0x90, 0x0C, +0x00, 0x04, 0x80, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, +0x00, 0x80, 0x0C, 0x00, 0x02, 0x00, 0x0A, 0x00, 0x6E, 0x0D, 0x01, 0x49, 0x04, +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. Any other license terms have + to be agreed by Meilhaus GmbH in written. + + 2) This file is distributed WITHOUT ANY WARRANTY; + without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. Meilhaus is under + no means liable for products using this file or parts of it. + + 3) The copyright of this file has to be mentioned in derived work. + + 4) If this license terms are not valid due to any other law + or restrictions imposed on you, you are not allowed to use + this file in any way at all. + */ + +/* Version 0 of ME-4610 firmware */ +static unsigned char xilinx_firm_4610[] = { +0x00, 0x01, 0x11, 0x0c, 0x01, 0x01, 0x04, 0x00, 0x00, 0x09, 0x04, 0x02, 0x00, +0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x99, 0xAA, 0x66, 0x0C, 0x00, +0x01, 0x80, 0x00, 0x00, 0x00, 0xE0, 0x0C, 0x80, 0x06, 0x80, 0x00, 0x00, 0x00, +0xD0, 0x0C, 0x80, 0x04, 0x80, 0x00, 0x01, 0xFC, 0xB4, 0x0C, 0x00, 0x03, 0x80, +0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0x90, 0x0C, +0x00, 0x04, 0x80, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, +0x00, 0x80, 0x0C, 0x00, 0x02, 0x00, 0x0A, 0x00, 0x7C, 0x20, 0x40, 0x58, 0x04, +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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cleanups - sparse cleanups - possible /proc interaction cleanups - more info needed for Kconfig entry - real device id? - module parameter cleanup Cc: Wolfgang Beiter Cc: Guenter Gebhardt Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/me4000/Kconfig | 10 + drivers/staging/me4000/Makefile | 1 + drivers/staging/me4000/README | 13 + drivers/staging/me4000/me4000.c | 6133 +++++++++++++++++++++++++++++++ drivers/staging/me4000/me4000.h | 954 +++++ 7 files changed, 7114 insertions(+) create mode 100644 drivers/staging/me4000/Kconfig create mode 100644 drivers/staging/me4000/Makefile create mode 100644 drivers/staging/me4000/README create mode 100644 drivers/staging/me4000/me4000.c create mode 100644 drivers/staging/me4000/me4000.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 6da76622191c..56c73bcf4770 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -29,4 +29,6 @@ source "drivers/staging/slicoss/Kconfig" source "drivers/staging/sxg/Kconfig" +source "drivers/staging/me4000/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index cd6d6a52751a..97df19be52dc 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -3,3 +3,4 @@ obj-$(CONFIG_ET131X) += et131x/ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_SXG) += sxg/ +obj-$(CONFIG_ME4000) += me4000/ diff --git a/drivers/staging/me4000/Kconfig b/drivers/staging/me4000/Kconfig new file mode 100644 index 000000000000..5e6c9de1f11a --- /dev/null +++ b/drivers/staging/me4000/Kconfig @@ -0,0 +1,10 @@ +config ME4000 + tristate "Meilhaus ME-4000 support" + default n + depends on PCI + help + This driver supports the Meilhaus ME-4000 family of boards + that do data collection and multipurpose I/O. + + To compile this driver as a module, choose M here: the module + will be called me4000. diff --git a/drivers/staging/me4000/Makefile b/drivers/staging/me4000/Makefile new file mode 100644 index 000000000000..74487cd7becf --- /dev/null +++ b/drivers/staging/me4000/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ME4000) += me4000.o diff --git a/drivers/staging/me4000/README b/drivers/staging/me4000/README new file mode 100644 index 000000000000..bbb838632204 --- /dev/null +++ b/drivers/staging/me4000/README @@ -0,0 +1,13 @@ + +TODO: + - checkpatch.pl cleanups + - sparse cleanups + - possible /proc interaction cleanups + - more info needed for Kconfig entry + - real device id? + - module parameter cleanup + +Please send patches to Greg Kroah-Hartman +and Cc: Wolfgang Beiter and +Guenter Gebhardt + diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c new file mode 100644 index 000000000000..862dd7ffb5c0 --- /dev/null +++ b/drivers/staging/me4000/me4000.c @@ -0,0 +1,6133 @@ +/* Device driver for Meilhaus ME-4000 board family. + * ================================================ + * + * Copyright (C) 2003 Meilhaus Electronic GmbH (support@meilhaus.de) + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Author: Guenter Gebhardt + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include + +/* Include-File for the Meilhaus ME-4000 I/O board */ +#include "me4000.h" +#include "me4000_firmware.h" +#include "me4610_firmware.h" + +/* Administrative stuff for modinfo */ +MODULE_AUTHOR("Guenter Gebhardt "); +MODULE_DESCRIPTION + ("Device Driver Module for Meilhaus ME-4000 boards version 1.0.5"); +MODULE_SUPPORTED_DEVICE("Meilhaus ME-4000 Multi I/O boards"); +MODULE_LICENSE("GPL"); + +/* Board specific data are kept in a global list */ +LIST_HEAD(me4000_board_info_list); + +/* Major Device Numbers. 0 means to get it automatically from the System */ +static int me4000_ao_major_driver_no = 0; +static int me4000_ai_major_driver_no = 0; +static int me4000_dio_major_driver_no = 0; +static int me4000_cnt_major_driver_no = 0; +static int me4000_ext_int_major_driver_no = 0; + +/* Let the user specify a custom major driver number */ +module_param(me4000_ao_major_driver_no, int, 0); +MODULE_PARM_DESC(me4000_ao_major_driver_no, + "Major driver number for analog output (default 0)"); + +module_param(me4000_ai_major_driver_no, int, 0); +MODULE_PARM_DESC(me4000_ai_major_driver_no, + "Major driver number for analog input (default 0)"); + +module_param(me4000_dio_major_driver_no, int, 0); +MODULE_PARM_DESC(me4000_dio_major_driver_no, + "Major driver number digital I/O (default 0)"); + +module_param(me4000_cnt_major_driver_no, int, 0); +MODULE_PARM_DESC(me4000_cnt_major_driver_no, + "Major driver number for counter (default 0)"); + +module_param(me4000_ext_int_major_driver_no, int, 0); +MODULE_PARM_DESC(me4000_ext_int_major_driver_no, + "Major driver number for external interrupt (default 0)"); + +/*----------------------------------------------------------------------------- + Module stuff + ---------------------------------------------------------------------------*/ +int init_module(void); +void cleanup_module(void); + +/*----------------------------------------------------------------------------- + Board detection and initialization + ---------------------------------------------------------------------------*/ +static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id); +static int me4000_xilinx_download(me4000_info_t *); +static int me4000_reset_board(me4000_info_t *); + +static void clear_board_info_list(void); +static int get_registers(struct pci_dev *dev, me4000_info_t * info); +static int init_board_info(struct pci_dev *dev, me4000_info_t * board_info); +static int alloc_ao_contexts(me4000_info_t * info); +static void release_ao_contexts(me4000_info_t * board_info); +static int alloc_ai_context(me4000_info_t * info); +static int alloc_dio_context(me4000_info_t * info); +static int alloc_cnt_context(me4000_info_t * info); +static int alloc_ext_int_context(me4000_info_t * info); + +/*----------------------------------------------------------------------------- + Stuff used by all device parts + ---------------------------------------------------------------------------*/ +static int me4000_open(struct inode *, struct file *); +static int me4000_release(struct inode *, struct file *); + +static int me4000_get_user_info(me4000_user_info_t *, + me4000_info_t * board_info); +static int me4000_read_procmem(char *, char **, off_t, int, int *, void *); + +/*----------------------------------------------------------------------------- + Analog output stuff + ---------------------------------------------------------------------------*/ +static ssize_t me4000_ao_write_sing(struct file *, const char *, size_t, + loff_t *); +static ssize_t me4000_ao_write_wrap(struct file *, const char *, size_t, + loff_t *); +static ssize_t me4000_ao_write_cont(struct file *, const char *, size_t, + loff_t *); + +static int me4000_ao_ioctl_sing(struct inode *, struct file *, unsigned int, + unsigned long); +static int me4000_ao_ioctl_wrap(struct inode *, struct file *, unsigned int, + unsigned long); +static int me4000_ao_ioctl_cont(struct inode *, struct file *, unsigned int, + unsigned long); + +static unsigned int me4000_ao_poll_cont(struct file *, poll_table *); +static int me4000_ao_fsync_cont(struct file *, struct dentry *, int); + +static int me4000_ao_start(unsigned long *, me4000_ao_context_t *); +static int me4000_ao_stop(me4000_ao_context_t *); +static int me4000_ao_immediate_stop(me4000_ao_context_t *); +static int me4000_ao_timer_set_divisor(u32 *, me4000_ao_context_t *); +static int me4000_ao_preload(me4000_ao_context_t *); +static int me4000_ao_preload_update(me4000_ao_context_t *); +static int me4000_ao_ex_trig_set_edge(int *, me4000_ao_context_t *); +static int me4000_ao_ex_trig_enable(me4000_ao_context_t *); +static int me4000_ao_ex_trig_disable(me4000_ao_context_t *); +static int me4000_ao_prepare(me4000_ao_context_t * ao_info); +static int me4000_ao_reset(me4000_ao_context_t * ao_info); +static int me4000_ao_enable_do(me4000_ao_context_t *); +static int me4000_ao_disable_do(me4000_ao_context_t *); +static int me4000_ao_fsm_state(int *, me4000_ao_context_t *); + +static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context); +static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context); +static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context); +static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * channels, + me4000_ao_context_t * ao_context); + +static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context); +static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context); +static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context); + +static int me4000_ao_ex_trig_timeout(unsigned long *arg, + me4000_ao_context_t * ao_context); +static int me4000_ao_get_free_buffer(unsigned long *arg, + me4000_ao_context_t * ao_context); + +/*----------------------------------------------------------------------------- + Analog input stuff + ---------------------------------------------------------------------------*/ +static int me4000_ai_single(me4000_ai_single_t *, me4000_ai_context_t *); +static int me4000_ai_ioctl_sing(struct inode *, struct file *, unsigned int, + unsigned long); + +static ssize_t me4000_ai_read(struct file *, char *, size_t, loff_t *); +static int me4000_ai_ioctl_sw(struct inode *, struct file *, unsigned int, + unsigned long); +static unsigned int me4000_ai_poll(struct file *, poll_table *); +static int me4000_ai_fasync(int fd, struct file *file_p, int mode); + +static int me4000_ai_ioctl_ext(struct inode *, struct file *, unsigned int, + unsigned long); + +static int me4000_ai_prepare(me4000_ai_context_t * ai_context); +static int me4000_ai_reset(me4000_ai_context_t * ai_context); +static int me4000_ai_config(me4000_ai_config_t *, me4000_ai_context_t *); +static int me4000_ai_start(me4000_ai_context_t *); +static int me4000_ai_start_ex(unsigned long *, me4000_ai_context_t *); +static int me4000_ai_stop(me4000_ai_context_t *); +static int me4000_ai_immediate_stop(me4000_ai_context_t *); +static int me4000_ai_ex_trig_enable(me4000_ai_context_t *); +static int me4000_ai_ex_trig_disable(me4000_ai_context_t *); +static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t *, + me4000_ai_context_t *); +static int me4000_ai_sc_setup(me4000_ai_sc_t * arg, + me4000_ai_context_t * ai_context); +static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context); +static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context); +static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context); +static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context); +static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context); +static int me4000_ai_get_count_buffer(unsigned long *arg, + me4000_ai_context_t * ai_context); + +/*----------------------------------------------------------------------------- + EEPROM stuff + ---------------------------------------------------------------------------*/ +static int me4000_eeprom_read(me4000_eeprom_t * arg, + me4000_ai_context_t * ai_context); +static int me4000_eeprom_write(me4000_eeprom_t * arg, + me4000_ai_context_t * ai_context); +static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context, + unsigned long cmd, int length); +static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd, + int length); + +/*----------------------------------------------------------------------------- + Digital I/O stuff + ---------------------------------------------------------------------------*/ +static int me4000_dio_ioctl(struct inode *, struct file *, unsigned int, + unsigned long); +static int me4000_dio_config(me4000_dio_config_t *, me4000_dio_context_t *); +static int me4000_dio_get_byte(me4000_dio_byte_t *, me4000_dio_context_t *); +static int me4000_dio_set_byte(me4000_dio_byte_t *, me4000_dio_context_t *); +static int me4000_dio_reset(me4000_dio_context_t *); + +/*----------------------------------------------------------------------------- + Counter stuff + ---------------------------------------------------------------------------*/ +static int me4000_cnt_ioctl(struct inode *, struct file *, unsigned int, + unsigned long); +static int me4000_cnt_config(me4000_cnt_config_t *, me4000_cnt_context_t *); +static int me4000_cnt_read(me4000_cnt_t *, me4000_cnt_context_t *); +static int me4000_cnt_write(me4000_cnt_t *, me4000_cnt_context_t *); +static int me4000_cnt_reset(me4000_cnt_context_t *); + +/*----------------------------------------------------------------------------- + External interrupt routines + ---------------------------------------------------------------------------*/ +static int me4000_ext_int_ioctl(struct inode *, struct file *, unsigned int, + unsigned long); +static int me4000_ext_int_enable(me4000_ext_int_context_t *); +static int me4000_ext_int_disable(me4000_ext_int_context_t *); +static int me4000_ext_int_count(unsigned long *arg, + me4000_ext_int_context_t * ext_int_context); +static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode); + +/*----------------------------------------------------------------------------- + The interrupt service routines + ---------------------------------------------------------------------------*/ +static irqreturn_t me4000_ao_isr(int, void *); +static irqreturn_t me4000_ai_isr(int, void *); +static irqreturn_t me4000_ext_int_isr(int, void *); + +/*----------------------------------------------------------------------------- + Inline functions + ---------------------------------------------------------------------------*/ +static int inline me4000_buf_count(me4000_circ_buf_t, int); +static int inline me4000_buf_space(me4000_circ_buf_t, int); +static int inline me4000_space_to_end(me4000_circ_buf_t, int); +static int inline me4000_values_to_end(me4000_circ_buf_t, int); + +static void inline me4000_outb(unsigned char value, unsigned long port); +static void inline me4000_outl(unsigned long value, unsigned long port); +static unsigned long inline me4000_inl(unsigned long port); +static unsigned char inline me4000_inb(unsigned long port); + +static int me4000_buf_count(me4000_circ_buf_t buf, int size) +{ + return ((buf.head - buf.tail) & (size - 1)); +} + +static int me4000_buf_space(me4000_circ_buf_t buf, int size) +{ + return ((buf.tail - (buf.head + 1)) & (size - 1)); +} + +static int me4000_values_to_end(me4000_circ_buf_t buf, int size) +{ + int end; + int n; + end = size - buf.tail; + n = (buf.head + end) & (size - 1); + return (n < end) ? n : end; +} + +static int me4000_space_to_end(me4000_circ_buf_t buf, int size) +{ + int end; + int n; + + end = size - 1 - buf.head; + n = (end + buf.tail) & (size - 1); + return (n <= end) ? n : (end + 1); +} + +static void me4000_outb(unsigned char value, unsigned long port) +{ + PORT_PDEBUG("--> 0x%02X port 0x%04lX\n", value, port); + outb(value, port); +} + +static void me4000_outl(unsigned long value, unsigned long port) +{ + PORT_PDEBUG("--> 0x%08lX port 0x%04lX\n", value, port); + outl(value, port); +} + +static unsigned long me4000_inl(unsigned long port) +{ + unsigned long value; + value = inl(port); + PORT_PDEBUG("<-- 0x%08lX port 0x%04lX\n", value, port); + return value; +} + +static unsigned char me4000_inb(unsigned long port) +{ + unsigned char value; + value = inb(port); + PORT_PDEBUG("<-- 0x%08X port 0x%04lX\n", value, port); + return value; +} + +struct pci_driver me4000_driver = { + .name = ME4000_NAME, + .id_table = me4000_pci_table, + .probe = me4000_probe +}; + +static struct file_operations me4000_ao_fops_sing = { + owner:THIS_MODULE, + write:me4000_ao_write_sing, + ioctl:me4000_ao_ioctl_sing, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ao_fops_wrap = { + owner:THIS_MODULE, + write:me4000_ao_write_wrap, + ioctl:me4000_ao_ioctl_wrap, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ao_fops_cont = { + owner:THIS_MODULE, + write:me4000_ao_write_cont, + poll:me4000_ao_poll_cont, + ioctl:me4000_ao_ioctl_cont, + open:me4000_open, + release:me4000_release, + fsync:me4000_ao_fsync_cont, +}; + +static struct file_operations me4000_ai_fops_sing = { + owner:THIS_MODULE, + ioctl:me4000_ai_ioctl_sing, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ai_fops_cont_sw = { + owner:THIS_MODULE, + read:me4000_ai_read, + poll:me4000_ai_poll, + ioctl:me4000_ai_ioctl_sw, + open:me4000_open, + release:me4000_release, + fasync:me4000_ai_fasync, +}; + +static struct file_operations me4000_ai_fops_cont_et = { + owner:THIS_MODULE, + read:me4000_ai_read, + poll:me4000_ai_poll, + ioctl:me4000_ai_ioctl_ext, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ai_fops_cont_et_value = { + owner:THIS_MODULE, + read:me4000_ai_read, + poll:me4000_ai_poll, + ioctl:me4000_ai_ioctl_ext, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ai_fops_cont_et_chanlist = { + owner:THIS_MODULE, + read:me4000_ai_read, + poll:me4000_ai_poll, + ioctl:me4000_ai_ioctl_ext, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_dio_fops = { + owner:THIS_MODULE, + ioctl:me4000_dio_ioctl, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_cnt_fops = { + owner:THIS_MODULE, + ioctl:me4000_cnt_ioctl, + open:me4000_open, + release:me4000_release, +}; + +static struct file_operations me4000_ext_int_fops = { + owner:THIS_MODULE, + ioctl:me4000_ext_int_ioctl, + open:me4000_open, + release:me4000_release, + fasync:me4000_ext_int_fasync, +}; + +static struct file_operations *me4000_ao_fops_array[] = { + &me4000_ao_fops_sing, // single operations + &me4000_ao_fops_wrap, // wraparound operations + &me4000_ao_fops_cont, // continous operations +}; + +static struct file_operations *me4000_ai_fops_array[] = { + &me4000_ai_fops_sing, // single operations + &me4000_ai_fops_cont_sw, // continuous operations with software start + &me4000_ai_fops_cont_et, // continous operations with external trigger + &me4000_ai_fops_cont_et_value, // sample values by external trigger + &me4000_ai_fops_cont_et_chanlist, // work through one channel list by external trigger +}; + +int __init me4000_init_module(void) +{ + int result = 0; + + CALL_PDEBUG("init_module() is executed\n"); + + /* Register driver capabilities */ + result = pci_register_driver(&me4000_driver); + PDEBUG("init_module():%d devices detected\n", result); + if (result < 0) { + printk(KERN_ERR "ME4000:init_module():Can't register driver\n"); + goto INIT_ERROR_1; + } + + /* Allocate major number for analog output */ + result = + register_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME, + &me4000_ao_fops_sing); + if (result < 0) { + printk(KERN_ERR "ME4000:init_module():Can't get AO major no\n"); + goto INIT_ERROR_2; + } else { + me4000_ao_major_driver_no = result; + } + PDEBUG("init_module():Major driver number for AO = %ld\n", + me4000_ao_major_driver_no); + + /* Allocate major number for analog input */ + result = + register_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME, + &me4000_ai_fops_sing); + if (result < 0) { + printk(KERN_ERR "ME4000:init_module():Can't get AI major no\n"); + goto INIT_ERROR_3; + } else { + me4000_ai_major_driver_no = result; + } + PDEBUG("init_module():Major driver number for AI = %ld\n", + me4000_ai_major_driver_no); + + /* Allocate major number for digital I/O */ + result = + register_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME, + &me4000_dio_fops); + if (result < 0) { + printk(KERN_ERR + "ME4000:init_module():Can't get DIO major no\n"); + goto INIT_ERROR_4; + } else { + me4000_dio_major_driver_no = result; + } + PDEBUG("init_module():Major driver number for DIO = %ld\n", + me4000_dio_major_driver_no); + + /* Allocate major number for counter */ + result = + register_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME, + &me4000_cnt_fops); + if (result < 0) { + printk(KERN_ERR + "ME4000:init_module():Can't get CNT major no\n"); + goto INIT_ERROR_5; + } else { + me4000_cnt_major_driver_no = result; + } + PDEBUG("init_module():Major driver number for CNT = %ld\n", + me4000_cnt_major_driver_no); + + /* Allocate major number for external interrupt */ + result = + register_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME, + &me4000_ext_int_fops); + if (result < 0) { + printk(KERN_ERR + "ME4000:init_module():Can't get major no for external interrupt\n"); + goto INIT_ERROR_6; + } else { + me4000_ext_int_major_driver_no = result; + } + PDEBUG + ("init_module():Major driver number for external interrupt = %ld\n", + me4000_ext_int_major_driver_no); + + /* Create the /proc/me4000 entry */ + if (!create_proc_read_entry + ("me4000", 0, NULL, me4000_read_procmem, NULL)) { + result = -ENODEV; + printk(KERN_ERR + "ME4000:init_module():Can't create proc entry\n"); + goto INIT_ERROR_7; + } + + return 0; + + INIT_ERROR_7: + unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME); + + INIT_ERROR_6: + unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME); + + INIT_ERROR_5: + unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME); + + INIT_ERROR_4: + unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME); + + INIT_ERROR_3: + unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME); + + INIT_ERROR_2: + pci_unregister_driver(&me4000_driver); + clear_board_info_list(); + + INIT_ERROR_1: + return result; +} + +module_init(me4000_init_module); + +static void clear_board_info_list(void) +{ + struct list_head *board_p; + struct list_head *dac_p; + me4000_info_t *board_info; + me4000_ao_context_t *ao_context; + + /* Clear context lists */ + for (board_p = me4000_board_info_list.next; + board_p != &me4000_board_info_list; board_p = board_p->next) { + board_info = list_entry(board_p, me4000_info_t, list); + /* Clear analog output context list */ + while (!list_empty(&board_info->ao_context_list)) { + dac_p = board_info->ao_context_list.next; + ao_context = + list_entry(dac_p, me4000_ao_context_t, list); + me4000_ao_reset(ao_context); + free_irq(ao_context->irq, ao_context); + if (ao_context->circ_buf.buf) + kfree(ao_context->circ_buf.buf); + list_del(dac_p); + kfree(ao_context); + } + + /* Clear analog input context */ + if (board_info->ai_context->circ_buf.buf) + kfree(board_info->ai_context->circ_buf.buf); + kfree(board_info->ai_context); + + /* Clear digital I/O context */ + kfree(board_info->dio_context); + + /* Clear counter context */ + kfree(board_info->cnt_context); + + /* Clear external interrupt context */ + kfree(board_info->ext_int_context); + } + + /* Clear the board info list */ + while (!list_empty(&me4000_board_info_list)) { + board_p = me4000_board_info_list.next; + board_info = list_entry(board_p, me4000_info_t, list); + pci_release_regions(board_info->pci_dev_p); + list_del(board_p); + kfree(board_info); + } +} + +static int get_registers(struct pci_dev *dev, me4000_info_t * board_info) +{ + + /*--------------------------- plx regbase ---------------------------------*/ + + board_info->plx_regbase = pci_resource_start(dev, 1); + if (board_info->plx_regbase == 0) { + printk(KERN_ERR + "ME4000:get_registers():PCI base address 1 is not available\n"); + return -ENODEV; + } + board_info->plx_regbase_size = pci_resource_len(dev, 1); + + PDEBUG + ("get_registers():PLX configuration registers at address 0x%4lX [0x%4lX]\n", + board_info->plx_regbase, board_info->plx_regbase_size); + + /*--------------------------- me4000 regbase ------------------------------*/ + + board_info->me4000_regbase = pci_resource_start(dev, 2); + if (board_info->me4000_regbase == 0) { + printk(KERN_ERR + "ME4000:get_registers():PCI base address 2 is not available\n"); + return -ENODEV; + } + board_info->me4000_regbase_size = pci_resource_len(dev, 2); + + PDEBUG("get_registers():ME4000 registers at address 0x%4lX [0x%4lX]\n", + board_info->me4000_regbase, board_info->me4000_regbase_size); + + /*--------------------------- timer regbase ------------------------------*/ + + board_info->timer_regbase = pci_resource_start(dev, 3); + if (board_info->timer_regbase == 0) { + printk(KERN_ERR + "ME4000:get_registers():PCI base address 3 is not available\n"); + return -ENODEV; + } + board_info->timer_regbase_size = pci_resource_len(dev, 3); + + PDEBUG("get_registers():Timer registers at address 0x%4lX [0x%4lX]\n", + board_info->timer_regbase, board_info->timer_regbase_size); + + /*--------------------------- program regbase ------------------------------*/ + + board_info->program_regbase = pci_resource_start(dev, 5); + if (board_info->program_regbase == 0) { + printk(KERN_ERR + "get_registers():ME4000:PCI base address 5 is not available\n"); + return -ENODEV; + } + board_info->program_regbase_size = pci_resource_len(dev, 5); + + PDEBUG("get_registers():Program registers at address 0x%4lX [0x%4lX]\n", + board_info->program_regbase, board_info->program_regbase_size); + + return 0; +} + +static int init_board_info(struct pci_dev *pci_dev_p, + me4000_info_t * board_info) +{ + int i; + int result; + struct list_head *board_p; + board_info->pci_dev_p = pci_dev_p; + + for (i = 0; i < ME4000_BOARD_VERSIONS; i++) { + if (me4000_boards[i].device_id == pci_dev_p->device) { + board_info->board_p = &me4000_boards[i]; + break; + } + } + if (i == ME4000_BOARD_VERSIONS) { + printk(KERN_ERR + "ME4000:init_board_info():Device ID not valid\n"); + return -ENODEV; + } + + /* Get the index of the board in the global list */ + for (board_p = me4000_board_info_list.next, i = 0; + board_p != &me4000_board_info_list; board_p = board_p->next, i++) { + if (board_p == &board_info->list) { + board_info->board_count = i; + break; + } + } + if (board_p == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:init_board_info():Cannot get index of baord\n"); + return -ENODEV; + } + + /* Init list head for analog output contexts */ + INIT_LIST_HEAD(&board_info->ao_context_list); + + /* Init spin locks */ + spin_lock_init(&board_info->preload_lock); + spin_lock_init(&board_info->ai_ctrl_lock); + + /* Get the serial number */ + result = pci_read_config_dword(pci_dev_p, 0x2C, &board_info->serial_no); + if (result != PCIBIOS_SUCCESSFUL) { + printk(KERN_WARNING + "ME4000:init_board_info: Can't get serial_no\n"); + return result; + } + PDEBUG("init_board_info():serial_no = 0x%x\n", board_info->serial_no); + + /* Get the hardware revision */ + result = + pci_read_config_byte(pci_dev_p, 0x08, &board_info->hw_revision); + if (result != PCIBIOS_SUCCESSFUL) { + printk(KERN_WARNING + "ME4000:init_board_info():Can't get hw_revision\n"); + return result; + } + PDEBUG("init_board_info():hw_revision = 0x%x\n", + board_info->hw_revision); + + /* Get the vendor id */ + board_info->vendor_id = pci_dev_p->vendor; + PDEBUG("init_board_info():vendor_id = 0x%x\n", board_info->vendor_id); + + /* Get the device id */ + board_info->device_id = pci_dev_p->device; + PDEBUG("init_board_info():device_id = 0x%x\n", board_info->device_id); + + /* Get the pci device number */ + board_info->pci_dev_no = PCI_FUNC(pci_dev_p->devfn); + PDEBUG("init_board_info():pci_func_no = 0x%x\n", + board_info->pci_func_no); + + /* Get the pci slot number */ + board_info->pci_dev_no = PCI_SLOT(pci_dev_p->devfn); + PDEBUG("init_board_info():pci_dev_no = 0x%x\n", board_info->pci_dev_no); + + /* Get the pci bus number */ + board_info->pci_bus_no = pci_dev_p->bus->number; + PDEBUG("init_board_info():pci_bus_no = 0x%x\n", board_info->pci_bus_no); + + /* Get the irq assigned to the board */ + board_info->irq = pci_dev_p->irq; + PDEBUG("init_board_info():irq = %d\n", board_info->irq); + + return 0; +} + +static int alloc_ao_contexts(me4000_info_t * info) +{ + int i; + int err; + me4000_ao_context_t *ao_context; + + for (i = 0; i < info->board_p->ao.count; i++) { + ao_context = kmalloc(sizeof(me4000_ao_context_t), GFP_KERNEL); + if (!ao_context) { + printk(KERN_ERR + "alloc_ao_contexts():Can't get memory for ao context\n"); + release_ao_contexts(info); + return -ENOMEM; + } + memset(ao_context, 0, sizeof(me4000_ao_context_t)); + + spin_lock_init(&ao_context->use_lock); + spin_lock_init(&ao_context->int_lock); + ao_context->irq = info->irq; + init_waitqueue_head(&ao_context->wait_queue); + ao_context->board_info = info; + + if (info->board_p->ao.fifo_count) { + /* Allocate circular buffer */ + ao_context->circ_buf.buf = + kmalloc(ME4000_AO_BUFFER_SIZE, GFP_KERNEL); + if (!ao_context->circ_buf.buf) { + printk(KERN_ERR + "alloc_ao_contexts():Can't get circular buffer\n"); + release_ao_contexts(info); + return -ENOMEM; + } + memset(ao_context->circ_buf.buf, 0, + ME4000_AO_BUFFER_SIZE); + + /* Clear the circular buffer */ + ao_context->circ_buf.head = 0; + ao_context->circ_buf.tail = 0; + } + + switch (i) { + case 0: + ao_context->ctrl_reg = + info->me4000_regbase + ME4000_AO_00_CTRL_REG; + ao_context->status_reg = + info->me4000_regbase + ME4000_AO_00_STATUS_REG; + ao_context->fifo_reg = + info->me4000_regbase + ME4000_AO_00_FIFO_REG; + ao_context->single_reg = + info->me4000_regbase + ME4000_AO_00_SINGLE_REG; + ao_context->timer_reg = + info->me4000_regbase + ME4000_AO_00_TIMER_REG; + ao_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + ao_context->preload_reg = + info->me4000_regbase + ME4000_AO_LOADSETREG_XX; + break; + case 1: + ao_context->ctrl_reg = + info->me4000_regbase + ME4000_AO_01_CTRL_REG; + ao_context->status_reg = + info->me4000_regbase + ME4000_AO_01_STATUS_REG; + ao_context->fifo_reg = + info->me4000_regbase + ME4000_AO_01_FIFO_REG; + ao_context->single_reg = + info->me4000_regbase + ME4000_AO_01_SINGLE_REG; + ao_context->timer_reg = + info->me4000_regbase + ME4000_AO_01_TIMER_REG; + ao_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + ao_context->preload_reg = + info->me4000_regbase + ME4000_AO_LOADSETREG_XX; + break; + case 2: + ao_context->ctrl_reg = + info->me4000_regbase + ME4000_AO_02_CTRL_REG; + ao_context->status_reg = + info->me4000_regbase + ME4000_AO_02_STATUS_REG; + ao_context->fifo_reg = + info->me4000_regbase + ME4000_AO_02_FIFO_REG; + ao_context->single_reg = + info->me4000_regbase + ME4000_AO_02_SINGLE_REG; + ao_context->timer_reg = + info->me4000_regbase + ME4000_AO_02_TIMER_REG; + ao_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + ao_context->preload_reg = + info->me4000_regbase + ME4000_AO_LOADSETREG_XX; + break; + case 3: + ao_context->ctrl_reg = + info->me4000_regbase + ME4000_AO_03_CTRL_REG; + ao_context->status_reg = + info->me4000_regbase + ME4000_AO_03_STATUS_REG; + ao_context->fifo_reg = + info->me4000_regbase + ME4000_AO_03_FIFO_REG; + ao_context->single_reg = + info->me4000_regbase + ME4000_AO_03_SINGLE_REG; + ao_context->timer_reg = + info->me4000_regbase + ME4000_AO_03_TIMER_REG; + ao_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + ao_context->preload_reg = + info->me4000_regbase + ME4000_AO_LOADSETREG_XX; + break; + default: + break; + } + + if (info->board_p->ao.fifo_count) { + /* Request the interrupt line */ + err = + request_irq(ao_context->irq, me4000_ao_isr, + IRQF_DISABLED | IRQF_SHARED, + ME4000_NAME, ao_context); + if (err) { + printk(KERN_ERR + "alloc_ao_contexts():Can't get interrupt line"); + if (ao_context->circ_buf.buf) + kfree(ao_context->circ_buf.buf); + kfree(ao_context); + release_ao_contexts(info); + return -ENODEV; + } + } + + list_add_tail(&ao_context->list, &info->ao_context_list); + ao_context->index = i; + } + + return 0; +} + +static void release_ao_contexts(me4000_info_t * board_info) +{ + struct list_head *dac_p; + me4000_ao_context_t *ao_context; + + /* Clear analog output context list */ + while (!list_empty(&board_info->ao_context_list)) { + dac_p = board_info->ao_context_list.next; + ao_context = list_entry(dac_p, me4000_ao_context_t, list); + free_irq(ao_context->irq, ao_context); + if (ao_context->circ_buf.buf) + kfree(ao_context->circ_buf.buf); + list_del(dac_p); + kfree(ao_context); + } +} + +static int alloc_ai_context(me4000_info_t * info) +{ + me4000_ai_context_t *ai_context; + + if (info->board_p->ai.count) { + ai_context = kmalloc(sizeof(me4000_ai_context_t), GFP_KERNEL); + if (!ai_context) { + printk(KERN_ERR + "ME4000:alloc_ai_context():Can't get memory for ai context\n"); + return -ENOMEM; + } + memset(ai_context, 0, sizeof(me4000_ai_context_t)); + + info->ai_context = ai_context; + + spin_lock_init(&ai_context->use_lock); + spin_lock_init(&ai_context->int_lock); + ai_context->number = 0; + ai_context->irq = info->irq; + init_waitqueue_head(&ai_context->wait_queue); + ai_context->board_info = info; + + ai_context->ctrl_reg = + info->me4000_regbase + ME4000_AI_CTRL_REG; + ai_context->status_reg = + info->me4000_regbase + ME4000_AI_STATUS_REG; + ai_context->channel_list_reg = + info->me4000_regbase + ME4000_AI_CHANNEL_LIST_REG; + ai_context->data_reg = + info->me4000_regbase + ME4000_AI_DATA_REG; + ai_context->chan_timer_reg = + info->me4000_regbase + ME4000_AI_CHAN_TIMER_REG; + ai_context->chan_pre_timer_reg = + info->me4000_regbase + ME4000_AI_CHAN_PRE_TIMER_REG; + ai_context->scan_timer_low_reg = + info->me4000_regbase + ME4000_AI_SCAN_TIMER_LOW_REG; + ai_context->scan_timer_high_reg = + info->me4000_regbase + ME4000_AI_SCAN_TIMER_HIGH_REG; + ai_context->scan_pre_timer_low_reg = + info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_LOW_REG; + ai_context->scan_pre_timer_high_reg = + info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_HIGH_REG; + ai_context->start_reg = + info->me4000_regbase + ME4000_AI_START_REG; + ai_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + ai_context->sample_counter_reg = + info->me4000_regbase + ME4000_AI_SAMPLE_COUNTER_REG; + } + + return 0; +} + +static int alloc_dio_context(me4000_info_t * info) +{ + me4000_dio_context_t *dio_context; + + if (info->board_p->dio.count) { + dio_context = kmalloc(sizeof(me4000_dio_context_t), GFP_KERNEL); + if (!dio_context) { + printk(KERN_ERR + "ME4000:alloc_dio_context():Can't get memory for dio context\n"); + return -ENOMEM; + } + memset(dio_context, 0, sizeof(me4000_dio_context_t)); + + info->dio_context = dio_context; + + spin_lock_init(&dio_context->use_lock); + dio_context->board_info = info; + + dio_context->dio_count = info->board_p->dio.count; + + dio_context->dir_reg = + info->me4000_regbase + ME4000_DIO_DIR_REG; + dio_context->ctrl_reg = + info->me4000_regbase + ME4000_DIO_CTRL_REG; + dio_context->port_0_reg = + info->me4000_regbase + ME4000_DIO_PORT_0_REG; + dio_context->port_1_reg = + info->me4000_regbase + ME4000_DIO_PORT_1_REG; + dio_context->port_2_reg = + info->me4000_regbase + ME4000_DIO_PORT_2_REG; + dio_context->port_3_reg = + info->me4000_regbase + ME4000_DIO_PORT_3_REG; + } + + return 0; +} + +static int alloc_cnt_context(me4000_info_t * info) +{ + me4000_cnt_context_t *cnt_context; + + if (info->board_p->cnt.count) { + cnt_context = kmalloc(sizeof(me4000_cnt_context_t), GFP_KERNEL); + if (!cnt_context) { + printk(KERN_ERR + "ME4000:alloc_cnt_context():Can't get memory for cnt context\n"); + return -ENOMEM; + } + memset(cnt_context, 0, sizeof(me4000_cnt_context_t)); + + info->cnt_context = cnt_context; + + spin_lock_init(&cnt_context->use_lock); + cnt_context->board_info = info; + + cnt_context->ctrl_reg = + info->timer_regbase + ME4000_CNT_CTRL_REG; + cnt_context->counter_0_reg = + info->timer_regbase + ME4000_CNT_COUNTER_0_REG; + cnt_context->counter_1_reg = + info->timer_regbase + ME4000_CNT_COUNTER_1_REG; + cnt_context->counter_2_reg = + info->timer_regbase + ME4000_CNT_COUNTER_2_REG; + } + + return 0; +} + +static int alloc_ext_int_context(me4000_info_t * info) +{ + me4000_ext_int_context_t *ext_int_context; + + if (info->board_p->cnt.count) { + ext_int_context = + kmalloc(sizeof(me4000_ext_int_context_t), GFP_KERNEL); + if (!ext_int_context) { + printk(KERN_ERR + "ME4000:alloc_ext_int_context():Can't get memory for cnt context\n"); + return -ENOMEM; + } + memset(ext_int_context, 0, sizeof(me4000_ext_int_context_t)); + + info->ext_int_context = ext_int_context; + + spin_lock_init(&ext_int_context->use_lock); + ext_int_context->board_info = info; + + ext_int_context->fasync_ptr = NULL; + ext_int_context->irq = info->irq; + + ext_int_context->ctrl_reg = + info->me4000_regbase + ME4000_AI_CTRL_REG; + ext_int_context->irq_status_reg = + info->me4000_regbase + ME4000_IRQ_STATUS_REG; + } + + return 0; +} + +static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + int result = 0; + me4000_info_t *board_info; + + CALL_PDEBUG("me4000_probe() is executed\n"); + + /* Allocate structure for board context */ + board_info = kmalloc(sizeof(me4000_info_t), GFP_KERNEL); + if (!board_info) { + printk(KERN_ERR + "ME4000:Can't get memory for board info structure\n"); + result = -ENOMEM; + goto PROBE_ERROR_1; + } + memset(board_info, 0, sizeof(me4000_info_t)); + + /* Add to global linked list */ + list_add_tail(&board_info->list, &me4000_board_info_list); + + /* Get the PCI base registers */ + result = get_registers(dev, board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot get registers\n"); + goto PROBE_ERROR_2; + } + + /* Enable the device */ + result = pci_enable_device(dev); + if (result < 0) { + printk(KERN_ERR "me4000_probe():Cannot enable PCI device\n"); + goto PROBE_ERROR_2; + } + + /* Request the PCI register regions */ + result = pci_request_regions(dev, ME4000_NAME); + if (result < 0) { + printk(KERN_ERR "me4000_probe():Cannot request I/O regions\n"); + goto PROBE_ERROR_2; + } + + /* Initialize board info */ + result = init_board_info(dev, board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot init baord info\n"); + goto PROBE_ERROR_3; + } + + /* Download the xilinx firmware */ + result = me4000_xilinx_download(board_info); + if (result) { + printk(KERN_ERR "me4000_probe:Can't download firmware\n"); + goto PROBE_ERROR_3; + } + + /* Make a hardware reset */ + result = me4000_reset_board(board_info); + if (result) { + printk(KERN_ERR "me4000_probe:Can't reset board\n"); + goto PROBE_ERROR_3; + } + + /* Allocate analog output context structures */ + result = alloc_ao_contexts(board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot allocate ao contexts\n"); + goto PROBE_ERROR_3; + } + + /* Allocate analog input context */ + result = alloc_ai_context(board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot allocate ai context\n"); + goto PROBE_ERROR_4; + } + + /* Allocate digital I/O context */ + result = alloc_dio_context(board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot allocate dio context\n"); + goto PROBE_ERROR_5; + } + + /* Allocate counter context */ + result = alloc_cnt_context(board_info); + if (result) { + printk(KERN_ERR "me4000_probe():Cannot allocate cnt context\n"); + goto PROBE_ERROR_6; + } + + /* Allocate external interrupt context */ + result = alloc_ext_int_context(board_info); + if (result) { + printk(KERN_ERR + "me4000_probe():Cannot allocate ext_int context\n"); + goto PROBE_ERROR_7; + } + + return 0; + + PROBE_ERROR_7: + kfree(board_info->cnt_context); + + PROBE_ERROR_6: + kfree(board_info->dio_context); + + PROBE_ERROR_5: + kfree(board_info->ai_context); + + PROBE_ERROR_4: + release_ao_contexts(board_info); + + PROBE_ERROR_3: + pci_release_regions(dev); + + PROBE_ERROR_2: + list_del(&board_info->list); + kfree(board_info); + + PROBE_ERROR_1: + return result; +} + +static int me4000_xilinx_download(me4000_info_t * info) +{ + int size = 0; + u32 value = 0; + int idx = 0; + unsigned char *firm; + wait_queue_head_t queue; + + CALL_PDEBUG("me4000_xilinx_download() is executed\n"); + + init_waitqueue_head(&queue); + + firm = (info->device_id == 0x4610) ? xilinx_firm_4610 : xilinx_firm; + + /* + * Set PLX local interrupt 2 polarity to high. + * Interrupt is thrown by init pin of xilinx. + */ + outl(0x10, info->plx_regbase + PLX_INTCSR); + + /* Set /CS and /WRITE of the Xilinx */ + value = inl(info->plx_regbase + PLX_ICR); + value |= 0x100; + outl(value, info->plx_regbase + PLX_ICR); + + /* Init Xilinx with CS1 */ + inb(info->program_regbase + 0xC8); + + /* Wait until /INIT pin is set */ + udelay(20); + if (!inl(info->plx_regbase + PLX_INTCSR) & 0x20) { + printk(KERN_ERR "me4000_xilinx_download():Can't init Xilinx\n"); + return -EIO; + } + + /* Reset /CS and /WRITE of the Xilinx */ + value = inl(info->plx_regbase + PLX_ICR); + value &= ~0x100; + outl(value, info->plx_regbase + PLX_ICR); + + /* Download Xilinx firmware */ + size = (firm[0] << 24) + (firm[1] << 16) + (firm[2] << 8) + firm[3]; + udelay(10); + + for (idx = 0; idx < size; idx++) { + outb(firm[16 + idx], info->program_regbase); + + udelay(10); + + /* Check if BUSY flag is low */ + if (inl(info->plx_regbase + PLX_ICR) & 0x20) { + printk(KERN_ERR + "me4000_xilinx_download():Xilinx is still busy (idx = %d)\n", + idx); + return -EIO; + } + } + + PDEBUG("me4000_xilinx_download():%d bytes written\n", idx); + + /* If done flag is high download was successful */ + if (inl(info->plx_regbase + PLX_ICR) & 0x4) { + PDEBUG("me4000_xilinx_download():Done flag is set\n"); + PDEBUG("me4000_xilinx_download():Download was successful\n"); + } else { + printk(KERN_ERR + "ME4000:me4000_xilinx_download():DONE flag is not set\n"); + printk(KERN_ERR + "ME4000:me4000_xilinx_download():Download not succesful\n"); + return -EIO; + } + + /* Set /CS and /WRITE */ + value = inl(info->plx_regbase + PLX_ICR); + value |= 0x100; + outl(value, info->plx_regbase + PLX_ICR); + + return 0; +} + +static int me4000_reset_board(me4000_info_t * info) +{ + unsigned long icr; + + CALL_PDEBUG("me4000_reset_board() is executed\n"); + + /* Make a hardware reset */ + icr = me4000_inl(info->plx_regbase + PLX_ICR); + icr |= 0x40000000; + me4000_outl(icr, info->plx_regbase + PLX_ICR); + icr &= ~0x40000000; + me4000_outl(icr, info->plx_regbase + PLX_ICR); + + /* Set both stop bits in the analog input control register */ + me4000_outl(ME4000_AI_CTRL_BIT_IMMEDIATE_STOP | ME4000_AI_CTRL_BIT_STOP, + info->me4000_regbase + ME4000_AI_CTRL_REG); + + /* Set both stop bits in the analog output control register */ + me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP, + info->me4000_regbase + ME4000_AO_00_CTRL_REG); + me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP, + info->me4000_regbase + ME4000_AO_01_CTRL_REG); + me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP, + info->me4000_regbase + ME4000_AO_02_CTRL_REG); + me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP, + info->me4000_regbase + ME4000_AO_03_CTRL_REG); + + /* 0x8000 to the DACs means an output voltage of 0V */ + me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_00_SINGLE_REG); + me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_01_SINGLE_REG); + me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_02_SINGLE_REG); + me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_03_SINGLE_REG); + + /* Enable interrupts on the PLX */ + me4000_outl(0x43, info->plx_regbase + PLX_INTCSR); + + /* Set the adustment register for AO demux */ + me4000_outl(ME4000_AO_DEMUX_ADJUST_VALUE, + info->me4000_regbase + ME4000_AO_DEMUX_ADJUST_REG); + + /* Set digital I/O direction for port 0 to output on isolated versions */ + if (!(me4000_inl(info->me4000_regbase + ME4000_DIO_DIR_REG) & 0x1)) { + me4000_outl(0x1, info->me4000_regbase + ME4000_DIO_CTRL_REG); + } + + return 0; +} + +static int me4000_open(struct inode *inode_p, struct file *file_p) +{ + int board, dev, mode; + int err = 0; + int i; + struct list_head *ptr; + me4000_info_t *board_info = NULL; + me4000_ao_context_t *ao_context = NULL; + me4000_ai_context_t *ai_context = NULL; + me4000_dio_context_t *dio_context = NULL; + me4000_cnt_context_t *cnt_context = NULL; + me4000_ext_int_context_t *ext_int_context = NULL; + + CALL_PDEBUG("me4000_open() is executed\n"); + + /* Analog output */ + if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) { + board = AO_BOARD(inode_p->i_rdev); + dev = AO_PORT(inode_p->i_rdev); + mode = AO_MODE(inode_p->i_rdev); + + PDEBUG("me4000_open():board = %d ao = %d mode = %d\n", board, + dev, mode); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next, i = 0; + ptr != &me4000_board_info_list; ptr = ptr->next, i++) { + board_info = list_entry(ptr, me4000_info_t, list); + if (i == board) + break; + } + + if (ptr == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:me4000_open():Board %d not in device list\n", + board); + return -ENODEV; + } + + /* Search for the dac context */ + for (ptr = board_info->ao_context_list.next, i = 0; + ptr != &board_info->ao_context_list; + ptr = ptr->next, i++) { + ao_context = list_entry(ptr, me4000_ao_context_t, list); + if (i == dev) + break; + } + + if (ptr == &board_info->ao_context_list) { + printk(KERN_ERR + "ME4000:me4000_open():Device %d not in device list\n", + dev); + return -ENODEV; + } + + /* Check if mode is valid */ + if (mode > 2) { + printk(KERN_ERR + "ME4000:me4000_open():Mode is not valid\n"); + return -ENODEV; + } + + /* Check if mode is valid for this AO */ + if ((mode != ME4000_AO_CONV_MODE_SINGLE) + && (dev >= board_info->board_p->ao.fifo_count)) { + printk(KERN_ERR + "ME4000:me4000_open():AO %d only in single mode available\n", + dev); + return -ENODEV; + } + + /* Check if already opened */ + spin_lock(&ao_context->use_lock); + if (ao_context->dac_in_use) { + printk(KERN_ERR + "ME4000:me4000_open():AO %d already in use\n", + dev); + spin_unlock(&ao_context->use_lock); + return -EBUSY; + } + ao_context->dac_in_use = 1; + spin_unlock(&ao_context->use_lock); + + ao_context->mode = mode; + + /* Hold the context in private data */ + file_p->private_data = ao_context; + + /* Set file operations pointer */ + file_p->f_op = me4000_ao_fops_array[mode]; + + err = me4000_ao_prepare(ao_context); + if (err) { + ao_context->dac_in_use = 0; + return 1; + } + } + /* Analog input */ + else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) { + board = AI_BOARD(inode_p->i_rdev); + mode = AI_MODE(inode_p->i_rdev); + + PDEBUG("me4000_open():ai board = %d mode = %d\n", board, mode); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next, i = 0; + ptr != &me4000_board_info_list; ptr = ptr->next, i++) { + board_info = list_entry(ptr, me4000_info_t, list); + if (i == board) + break; + } + + if (ptr == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:me4000_open():Board %d not in device list\n", + board); + return -ENODEV; + } + + ai_context = board_info->ai_context; + + /* Check if mode is valid */ + if (mode > 5) { + printk(KERN_ERR + "ME4000:me4000_open():Mode is not valid\n"); + return -EINVAL; + } + + /* Check if already opened */ + spin_lock(&ai_context->use_lock); + if (ai_context->in_use) { + printk(KERN_ERR + "ME4000:me4000_open():AI already in use\n"); + spin_unlock(&ai_context->use_lock); + return -EBUSY; + } + ai_context->in_use = 1; + spin_unlock(&ai_context->use_lock); + + ai_context->mode = mode; + + /* Hold the context in private data */ + file_p->private_data = ai_context; + + /* Set file operations pointer */ + file_p->f_op = me4000_ai_fops_array[mode]; + + /* Prepare analog input */ + me4000_ai_prepare(ai_context); + } + /* Digital I/O */ + else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) { + board = DIO_BOARD(inode_p->i_rdev); + dev = 0; + mode = 0; + + PDEBUG("me4000_open():board = %d\n", board); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next; + ptr != &me4000_board_info_list; ptr = ptr->next) { + board_info = list_entry(ptr, me4000_info_t, list); + if (board_info->board_count == board) + break; + } + + if (ptr == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:me4000_open():Board %d not in device list\n", + board); + return -ENODEV; + } + + /* Search for the dio context */ + dio_context = board_info->dio_context; + + /* Check if already opened */ + spin_lock(&dio_context->use_lock); + if (dio_context->in_use) { + printk(KERN_ERR + "ME4000:me4000_open():DIO already in use\n"); + spin_unlock(&dio_context->use_lock); + return -EBUSY; + } + dio_context->in_use = 1; + spin_unlock(&dio_context->use_lock); + + /* Hold the context in private data */ + file_p->private_data = dio_context; + + /* Set file operations pointer to single functions */ + file_p->f_op = &me4000_dio_fops; + + //me4000_dio_reset(dio_context); + } + /* Counters */ + else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) { + board = CNT_BOARD(inode_p->i_rdev); + dev = 0; + mode = 0; + + PDEBUG("me4000_open():board = %d\n", board); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next; + ptr != &me4000_board_info_list; ptr = ptr->next) { + board_info = list_entry(ptr, me4000_info_t, list); + if (board_info->board_count == board) + break; + } + + if (ptr == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:me4000_open():Board %d not in device list\n", + board); + return -ENODEV; + } + + /* Get the cnt context */ + cnt_context = board_info->cnt_context; + + /* Check if already opened */ + spin_lock(&cnt_context->use_lock); + if (cnt_context->in_use) { + printk(KERN_ERR + "ME4000:me4000_open():CNT already in use\n"); + spin_unlock(&cnt_context->use_lock); + return -EBUSY; + } + cnt_context->in_use = 1; + spin_unlock(&cnt_context->use_lock); + + /* Hold the context in private data */ + file_p->private_data = cnt_context; + + /* Set file operations pointer to single functions */ + file_p->f_op = &me4000_cnt_fops; + } + /* External Interrupt */ + else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) { + board = EXT_INT_BOARD(inode_p->i_rdev); + dev = 0; + mode = 0; + + PDEBUG("me4000_open():board = %d\n", board); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next; + ptr != &me4000_board_info_list; ptr = ptr->next) { + board_info = list_entry(ptr, me4000_info_t, list); + if (board_info->board_count == board) + break; + } + + if (ptr == &me4000_board_info_list) { + printk(KERN_ERR + "ME4000:me4000_open():Board %d not in device list\n", + board); + return -ENODEV; + } + + /* Get the external interrupt context */ + ext_int_context = board_info->ext_int_context; + + /* Check if already opened */ + spin_lock(&cnt_context->use_lock); + if (ext_int_context->in_use) { + printk(KERN_ERR + "ME4000:me4000_open():External interrupt already in use\n"); + spin_unlock(&ext_int_context->use_lock); + return -EBUSY; + } + ext_int_context->in_use = 1; + spin_unlock(&ext_int_context->use_lock); + + /* Hold the context in private data */ + file_p->private_data = ext_int_context; + + /* Set file operations pointer to single functions */ + file_p->f_op = &me4000_ext_int_fops; + + /* Request the interrupt line */ + err = + request_irq(ext_int_context->irq, me4000_ext_int_isr, + IRQF_DISABLED | IRQF_SHARED, ME4000_NAME, + ext_int_context); + if (err) { + printk(KERN_ERR + "ME4000:me4000_open():Can't get interrupt line"); + ext_int_context->in_use = 0; + return -ENODEV; + } + + /* Reset the counter */ + me4000_ext_int_disable(ext_int_context); + } else { + printk(KERN_ERR "ME4000:me4000_open():Major number unknown\n"); + return -EINVAL; + } + + return 0; +} + +static int me4000_release(struct inode *inode_p, struct file *file_p) +{ + me4000_ao_context_t *ao_context; + me4000_ai_context_t *ai_context; + me4000_dio_context_t *dio_context; + me4000_cnt_context_t *cnt_context; + me4000_ext_int_context_t *ext_int_context; + + CALL_PDEBUG("me4000_release() is executed\n"); + + if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) { + ao_context = file_p->private_data; + + /* Mark DAC as unused */ + ao_context->dac_in_use = 0; + } else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) { + ai_context = file_p->private_data; + + /* Reset the analog input */ + me4000_ai_reset(ai_context); + + /* Free the interrupt and the circular buffer */ + if (ai_context->mode) { + free_irq(ai_context->irq, ai_context); + kfree(ai_context->circ_buf.buf); + ai_context->circ_buf.buf = NULL; + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + } + + /* Mark AI as unused */ + ai_context->in_use = 0; + } else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) { + dio_context = file_p->private_data; + + /* Mark digital I/O as unused */ + dio_context->in_use = 0; + } else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) { + cnt_context = file_p->private_data; + + /* Mark counters as unused */ + cnt_context->in_use = 0; + } else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) { + ext_int_context = file_p->private_data; + + /* Disable the externel interrupt */ + me4000_ext_int_disable(ext_int_context); + + free_irq(ext_int_context->irq, ext_int_context); + + /* Delete the fasync structure and free memory */ + me4000_ext_int_fasync(0, file_p, 0); + + /* Mark as unused */ + ext_int_context->in_use = 0; + } else { + printk(KERN_ERR + "ME4000:me4000_release():Major number unknown\n"); + return -EINVAL; + } + + return 0; +} + +/*------------------------------- Analog output stuff --------------------------------------*/ + +static int me4000_ao_prepare(me4000_ao_context_t * ao_context) +{ + unsigned long flags; + + CALL_PDEBUG("me4000_ao_prepare() is executed\n"); + + if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) { + /* Only do anything if not already in the correct mode */ + unsigned long mode = me4000_inl(ao_context->ctrl_reg); + if ((mode & ME4000_AO_CONV_MODE_CONTINUOUS) + && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) { + return 0; + } + + /* Stop any conversion */ + me4000_ao_immediate_stop(ao_context); + + /* Set the control register to default state */ + spin_lock_irqsave(&ao_context->int_lock, flags); + me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS | + ME4000_AO_CTRL_BIT_ENABLE_FIFO | + ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP, + ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + /* Set to fastest sample rate */ + me4000_outl(65, ao_context->timer_reg); + } else if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) { + /* Only do anything if not already in the correct mode */ + unsigned long mode = me4000_inl(ao_context->ctrl_reg); + if ((mode & ME4000_AO_CONV_MODE_WRAPAROUND) + && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) { + return 0; + } + + /* Stop any conversion */ + me4000_ao_immediate_stop(ao_context); + + /* Set the control register to default state */ + spin_lock_irqsave(&ao_context->int_lock, flags); + me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND | + ME4000_AO_CTRL_BIT_ENABLE_FIFO | + ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP, + ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + /* Set to fastest sample rate */ + me4000_outl(65, ao_context->timer_reg); + } else if (ao_context->mode == ME4000_AO_CONV_MODE_SINGLE) { + /* Only do anything if not already in the correct mode */ + unsigned long mode = me4000_inl(ao_context->ctrl_reg); + if (! + (mode & + (ME4000_AO_CONV_MODE_WRAPAROUND | + ME4000_AO_CONV_MODE_CONTINUOUS))) { + return 0; + } + + /* Stop any conversion */ + me4000_ao_immediate_stop(ao_context); + + /* Clear the control register */ + spin_lock_irqsave(&ao_context->int_lock, flags); + me4000_outl(0x0, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + /* Set voltage to 0V */ + me4000_outl(0x8000, ao_context->single_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_ao_prepare():Invalid mode specified\n"); + return -EINVAL; + } + + return 0; +} + +static int me4000_ao_reset(me4000_ao_context_t * ao_context) +{ + u32 tmp; + wait_queue_head_t queue; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_reset() is executed\n"); + + init_waitqueue_head(&queue); + + if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) { + /* + * First stop conversion of the DAC before reconfigure. + * This is essantial, cause of the state machine. + * If not stopped before configuring mode, it could + * walk in a undefined state. + */ + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_IMMEDIATE_STOP; + me4000_outl(tmp, ao_context->ctrl_reg); + + while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + sleep_on_timeout(&queue, 1); + } + + /* Set to transparent mode */ + me4000_ao_simultaneous_disable(ao_context); + + /* Set to single mode in order to set default voltage */ + me4000_outl(0x0, ao_context->ctrl_reg); + + /* Set voltage to 0V */ + me4000_outl(0x8000, ao_context->single_reg); + + /* Set to fastest sample rate */ + me4000_outl(65, ao_context->timer_reg); + + /* Set the original mode and enable FIFO */ + me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND | + ME4000_AO_CTRL_BIT_ENABLE_FIFO | + ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP, + ao_context->ctrl_reg); + } else if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) { + /* + * First stop conversion of the DAC before reconfigure. + * This is essantial, cause of the state machine. + * If not stopped before configuring mode, it could + * walk in a undefined state. + */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_STOP; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + sleep_on_timeout(&queue, 1); + } + + /* Clear the circular buffer */ + ao_context->circ_buf.head = 0; + ao_context->circ_buf.tail = 0; + + /* Set to transparent mode */ + me4000_ao_simultaneous_disable(ao_context); + + /* Set to single mode in order to set default voltage */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + me4000_outl(0x0, ao_context->ctrl_reg); + + /* Set voltage to 0V */ + me4000_outl(0x8000, ao_context->single_reg); + + /* Set to fastest sample rate */ + me4000_outl(65, ao_context->timer_reg); + + /* Set the original mode and enable FIFO */ + me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS | + ME4000_AO_CTRL_BIT_ENABLE_FIFO | + ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP, + ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } else { + /* Set to transparent mode */ + me4000_ao_simultaneous_disable(ao_context); + + /* Set voltage to 0V */ + me4000_outl(0x8000, ao_context->single_reg); + } + + return 0; +} + +static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff, + size_t cnt, loff_t * offp) +{ + me4000_ao_context_t *ao_context = filep->private_data; + u32 value; + const u16 *buffer = (const u16 *)buff; + + CALL_PDEBUG("me4000_ao_write_sing() is executed\n"); + + if (cnt != 2) { + printk(KERN_ERR + "me4000_ao_write_sing():Write count is not 2\n"); + return -EINVAL; + } + + if (get_user(value, buffer)) { + printk(KERN_ERR + "me4000_ao_write_sing():Cannot copy data from user\n"); + return -EFAULT; + } + + me4000_outl(value, ao_context->single_reg); + + return 2; +} + +static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff, + size_t cnt, loff_t * offp) +{ + me4000_ao_context_t *ao_context = filep->private_data; + size_t i; + u32 value; + u32 tmp; + const u16 *buffer = (const u16 *)buff; + size_t count = cnt / 2; + + CALL_PDEBUG("me4000_ao_write_wrap() is executed\n"); + + /* Check if a conversion is already running */ + if (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "ME4000:me4000_ao_write_wrap():There is already a conversion running\n"); + return -EBUSY; + } + + if (count > ME4000_AO_FIFO_COUNT) { + printk(KERN_ERR + "me4000_ao_write_wrap():Can't load more than %d values\n", + ME4000_AO_FIFO_COUNT); + return -ENOSPC; + } + + /* Reset the FIFO */ + tmp = inl(ao_context->ctrl_reg); + tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_FIFO; + outl(tmp, ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_FIFO; + outl(tmp, ao_context->ctrl_reg); + + for (i = 0; i < count; i++) { + if (get_user(value, buffer + i)) { + printk(KERN_ERR + "me4000_ao_write_single():Cannot copy data from user\n"); + return -EFAULT; + } + if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG) + || ((ao_context->fifo_reg & 0xFF) == ME4000_AO_03_FIFO_REG)) + value = value << 16; + outl(value, ao_context->fifo_reg); + } + CALL_PDEBUG("me4000_ao_write_wrap() is leaved with %d\n", i * 2); + + return i * 2; +} + +static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff, + size_t cnt, loff_t * offp) +{ + me4000_ao_context_t *ao_context = filep->private_data; + const u16 *buffer = (const u16 *)buff; + size_t count = cnt / 2; + unsigned long flags; + u32 tmp; + int c = 0; + int k = 0; + int ret = 0; + u16 svalue; + u32 lvalue; + int i; + wait_queue_head_t queue; + + CALL_PDEBUG("me4000_ao_write_cont() is executed\n"); + + init_waitqueue_head(&queue); + + /* Check count */ + if (count <= 0) { + PDEBUG("me4000_ao_write_cont():Count is 0\n"); + return 0; + } + + if (filep->f_flags & O_APPEND) { + PDEBUG("me4000_ao_write_cont():Append data to data stream\n"); + while (count > 0) { + if (filep->f_flags & O_NONBLOCK) { + if (ao_context->pipe_flag) { + printk(KERN_ERR + "ME4000:me4000_ao_write_cont():Broken pipe in nonblocking write\n"); + return -EPIPE; + } + c = me4000_space_to_end(ao_context->circ_buf, + ME4000_AO_BUFFER_COUNT); + if (!c) { + PDEBUG + ("me4000_ao_write_cont():Returning from nonblocking write\n"); + break; + } + } else { + wait_event_interruptible(ao_context->wait_queue, + (c = + me4000_space_to_end + (ao_context->circ_buf, + ME4000_AO_BUFFER_COUNT))); + if (ao_context->pipe_flag) { + printk(KERN_ERR + "me4000_ao_write_cont():Broken pipe in blocking write\n"); + return -EPIPE; + } + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ao_write_cont():Wait for free buffer interrupted from signal\n"); + return -EINTR; + } + } + + PDEBUG("me4000_ao_write_cont():Space to end = %d\n", c); + + /* Only able to write size of free buffer or size of count */ + if (count < c) + c = count; + + k = 2 * c; + k -= copy_from_user(ao_context->circ_buf.buf + + ao_context->circ_buf.head, buffer, + k); + c = k / 2; + PDEBUG + ("me4000_ao_write_cont():Copy %d values from user space\n", + c); + + if (!c) + return -EFAULT; + + ao_context->circ_buf.head = + (ao_context->circ_buf.head + + c) & (ME4000_AO_BUFFER_COUNT - 1); + buffer += c; + count -= c; + ret += c; + + /* Values are now available so enable interrupts */ + spin_lock_irqsave(&ao_context->int_lock, flags); + if (me4000_buf_count + (ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) { + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_IRQ; + me4000_outl(tmp, ao_context->ctrl_reg); + } + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } + + /* Wait until the state machine is stopped if O_SYNC is set */ + if (filep->f_flags & O_SYNC) { + while (inl(ao_context->status_reg) & + ME4000_AO_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (ao_context->pipe_flag) { + PDEBUG + ("me4000_ao_write_cont():Broken pipe detected after sync\n"); + return -EPIPE; + } + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ao_write_cont():Wait on state machine after sync interrupted\n"); + return -EINTR; + } + } + } + } else { + PDEBUG("me4000_ao_write_cont():Preload DAC FIFO\n"); + if ((me4000_inl(ao_context->status_reg) & + ME4000_AO_STATUS_BIT_FSM)) { + printk(KERN_ERR + "me4000_ao_write_cont():Can't Preload DAC FIFO while conversion is running\n"); + return -EBUSY; + } + + /* Clear the FIFO */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp &= + ~(ME4000_AO_CTRL_BIT_ENABLE_FIFO | + ME4000_AO_CTRL_BIT_ENABLE_IRQ); + me4000_outl(tmp, ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_FIFO; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + /* Clear the circular buffer */ + ao_context->circ_buf.head = 0; + ao_context->circ_buf.tail = 0; + + /* Reset the broken pipe flag */ + ao_context->pipe_flag = 0; + + /* Only able to write size of fifo or count */ + c = ME4000_AO_FIFO_COUNT; + if (count < c) + c = count; + + PDEBUG + ("me4000_ao_write_cont():Write %d values to DAC on 0x%lX\n", + c, ao_context->fifo_reg); + + /* Write values to the fifo */ + for (i = 0; i < c; i++) { + if (get_user(svalue, buffer)) + return -EFAULT; + + if (((ao_context->fifo_reg & 0xFF) == + ME4000_AO_01_FIFO_REG) + || ((ao_context->fifo_reg & 0xFF) == + ME4000_AO_03_FIFO_REG)) { + lvalue = ((u32) svalue) << 16; + } else + lvalue = (u32) svalue; + + outl(lvalue, ao_context->fifo_reg); + buffer++; + } + count -= c; + ret += c; + + while (1) { + /* Get free buffer */ + c = me4000_space_to_end(ao_context->circ_buf, + ME4000_AO_BUFFER_COUNT); + + if (c == 0) + return (2 * ret); + + /* Only able to write size of free buffer or size of count */ + if (count < c) + c = count; + + /* If count = 0 return to user */ + if (c <= 0) { + PDEBUG + ("me4000_ao_write_cont():Count reached 0\n"); + break; + } + + k = 2 * c; + k -= copy_from_user(ao_context->circ_buf.buf + + ao_context->circ_buf.head, buffer, + k); + c = k / 2; + PDEBUG + ("me4000_ao_write_cont():Wrote %d values to buffer\n", + c); + + if (!c) + return -EFAULT; + + ao_context->circ_buf.head = + (ao_context->circ_buf.head + + c) & (ME4000_AO_BUFFER_COUNT - 1); + buffer += c; + count -= c; + ret += c; + + /* If values in the buffer are available so enable interrupts */ + spin_lock_irqsave(&ao_context->int_lock, flags); + if (me4000_buf_count + (ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) { + PDEBUG + ("me4000_ao_write_cont():Enable Interrupts\n"); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_IRQ; + me4000_outl(tmp, ao_context->ctrl_reg); + } + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } + } + + if (filep->f_flags & O_NONBLOCK) { + return (ret == 0) ? -EAGAIN : 2 * ret; + } + + return 2 * ret; +} + +static unsigned int me4000_ao_poll_cont(struct file *file_p, poll_table * wait) +{ + me4000_ao_context_t *ao_context; + unsigned long mask = 0; + + CALL_PDEBUG("me4000_ao_poll_cont() is executed\n"); + + ao_context = file_p->private_data; + + poll_wait(file_p, &ao_context->wait_queue, wait); + + /* Get free buffer */ + if (me4000_space_to_end(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) + mask |= POLLOUT | POLLWRNORM; + + CALL_PDEBUG("me4000_ao_poll_cont():Return mask %lX\n", mask); + + return mask; +} + +static int me4000_ao_fsync_cont(struct file *file_p, struct dentry *dentry_p, + int datasync) +{ + me4000_ao_context_t *ao_context; + wait_queue_head_t queue; + + CALL_PDEBUG("me4000_ao_fsync_cont() is executed\n"); + + ao_context = file_p->private_data; + init_waitqueue_head(&queue); + + while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (ao_context->pipe_flag) { + printk(KERN_ERR + "me4000_ao_fsync_cont():Broken pipe detected\n"); + return -EPIPE; + } + + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ao_fsync_cont():Wait on state machine interrupted\n"); + return -EINTR; + } + } + + return 0; +} + +static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ao_context_t *ao_context; + + CALL_PDEBUG("me4000_ao_ioctl_sing() is executed\n"); + + ao_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + return -ENOTTY; + PDEBUG("me4000_ao_ioctl_sing():Wrong magic number\n"); + } + + switch (service) { + case ME4000_AO_EX_TRIG_SETUP: + return me4000_ao_ex_trig_set_edge((int *)arg, ao_context); + case ME4000_AO_EX_TRIG_ENABLE: + return me4000_ao_ex_trig_enable(ao_context); + case ME4000_AO_EX_TRIG_DISABLE: + return me4000_ao_ex_trig_disable(ao_context); + case ME4000_AO_PRELOAD: + return me4000_ao_preload(ao_context); + case ME4000_AO_PRELOAD_UPDATE: + return me4000_ao_preload_update(ao_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ao_context->board_info); + case ME4000_AO_SIMULTANEOUS_EX_TRIG: + return me4000_ao_simultaneous_ex_trig(ao_context); + case ME4000_AO_SIMULTANEOUS_SW: + return me4000_ao_simultaneous_sw(ao_context); + case ME4000_AO_SIMULTANEOUS_DISABLE: + return me4000_ao_simultaneous_disable(ao_context); + case ME4000_AO_SIMULTANEOUS_UPDATE: + return + me4000_ao_simultaneous_update((me4000_ao_channel_list_t *) + arg, ao_context); + case ME4000_AO_EX_TRIG_TIMEOUT: + return me4000_ao_ex_trig_timeout((unsigned long *)arg, + ao_context); + case ME4000_AO_DISABLE_DO: + return me4000_ao_disable_do(ao_context); + default: + printk(KERN_ERR + "me4000_ao_ioctl_sing():Service number invalid\n"); + return -ENOTTY; + } + + return 0; +} + +static int me4000_ao_ioctl_wrap(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ao_context_t *ao_context; + + CALL_PDEBUG("me4000_ao_ioctl_wrap() is executed\n"); + + ao_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + return -ENOTTY; + PDEBUG("me4000_ao_ioctl_wrap():Wrong magic number\n"); + } + + switch (service) { + case ME4000_AO_START: + return me4000_ao_start((unsigned long *)arg, ao_context); + case ME4000_AO_STOP: + return me4000_ao_stop(ao_context); + case ME4000_AO_IMMEDIATE_STOP: + return me4000_ao_immediate_stop(ao_context); + case ME4000_AO_RESET: + return me4000_ao_reset(ao_context); + case ME4000_AO_TIMER_SET_DIVISOR: + return me4000_ao_timer_set_divisor((u32 *) arg, ao_context); + case ME4000_AO_EX_TRIG_SETUP: + return me4000_ao_ex_trig_set_edge((int *)arg, ao_context); + case ME4000_AO_EX_TRIG_ENABLE: + return me4000_ao_ex_trig_enable(ao_context); + case ME4000_AO_EX_TRIG_DISABLE: + return me4000_ao_ex_trig_disable(ao_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ao_context->board_info); + case ME4000_AO_FSM_STATE: + return me4000_ao_fsm_state((int *)arg, ao_context); + case ME4000_AO_ENABLE_DO: + return me4000_ao_enable_do(ao_context); + case ME4000_AO_DISABLE_DO: + return me4000_ao_disable_do(ao_context); + case ME4000_AO_SYNCHRONOUS_EX_TRIG: + return me4000_ao_synchronous_ex_trig(ao_context); + case ME4000_AO_SYNCHRONOUS_SW: + return me4000_ao_synchronous_sw(ao_context); + case ME4000_AO_SYNCHRONOUS_DISABLE: + return me4000_ao_synchronous_disable(ao_context); + default: + return -ENOTTY; + } + return 0; +} + +static int me4000_ao_ioctl_cont(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ao_context_t *ao_context; + + CALL_PDEBUG("me4000_ao_ioctl_cont() is executed\n"); + + ao_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + return -ENOTTY; + PDEBUG("me4000_ao_ioctl_cont():Wrong magic number\n"); + } + + switch (service) { + case ME4000_AO_START: + return me4000_ao_start((unsigned long *)arg, ao_context); + case ME4000_AO_STOP: + return me4000_ao_stop(ao_context); + case ME4000_AO_IMMEDIATE_STOP: + return me4000_ao_immediate_stop(ao_context); + case ME4000_AO_RESET: + return me4000_ao_reset(ao_context); + case ME4000_AO_TIMER_SET_DIVISOR: + return me4000_ao_timer_set_divisor((u32 *) arg, ao_context); + case ME4000_AO_EX_TRIG_SETUP: + return me4000_ao_ex_trig_set_edge((int *)arg, ao_context); + case ME4000_AO_EX_TRIG_ENABLE: + return me4000_ao_ex_trig_enable(ao_context); + case ME4000_AO_EX_TRIG_DISABLE: + return me4000_ao_ex_trig_disable(ao_context); + case ME4000_AO_ENABLE_DO: + return me4000_ao_enable_do(ao_context); + case ME4000_AO_DISABLE_DO: + return me4000_ao_disable_do(ao_context); + case ME4000_AO_FSM_STATE: + return me4000_ao_fsm_state((int *)arg, ao_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ao_context->board_info); + case ME4000_AO_SYNCHRONOUS_EX_TRIG: + return me4000_ao_synchronous_ex_trig(ao_context); + case ME4000_AO_SYNCHRONOUS_SW: + return me4000_ao_synchronous_sw(ao_context); + case ME4000_AO_SYNCHRONOUS_DISABLE: + return me4000_ao_synchronous_disable(ao_context); + case ME4000_AO_GET_FREE_BUFFER: + return me4000_ao_get_free_buffer((unsigned long *)arg, + ao_context); + default: + return -ENOTTY; + } + return 0; +} + +static int me4000_ao_start(unsigned long *arg, me4000_ao_context_t * ao_context) +{ + u32 tmp; + wait_queue_head_t queue; + unsigned long ref; + unsigned long timeout; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_start() is executed\n"); + + if (get_user(timeout, arg)) { + printk(KERN_ERR + "me4000_ao_start():Cannot copy data from user\n"); + return -EFAULT; + } + + init_waitqueue_head(&queue); + + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = inl(ao_context->ctrl_reg); + tmp &= ~(ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP); + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + if ((tmp & ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG)) { + if (timeout) { + ref = jiffies; + while (! + (inl(ao_context->status_reg) & + ME4000_AO_STATUS_BIT_FSM)) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ao_start():Wait on start of state machine interrupted\n"); + return -EINTR; + } + if (((jiffies - ref) > (timeout * HZ / USER_HZ))) { // 2.6 has diffrent definitions for HZ in user and kernel space + printk(KERN_ERR + "ME4000:me4000_ao_start():Timeout reached\n"); + return -EIO; + } + } + } + } else { + me4000_outl(0x8000, ao_context->single_reg); + } + + return 0; +} + +static int me4000_ao_stop(me4000_ao_context_t * ao_context) +{ + u32 tmp; + wait_queue_head_t queue; + unsigned long flags; + + init_waitqueue_head(&queue); + + CALL_PDEBUG("me4000_ao_stop() is executed\n"); + + /* Set the stop bit */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_STOP; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ao_stop():Wait on state machine after stop interrupted\n"); + return -EINTR; + } + } + + /* Clear the stop bit */ + //tmp &= ~ME4000_AO_CTRL_BIT_STOP; + //me4000_outl(tmp, ao_context->ctrl_reg); + + return 0; +} + +static int me4000_ao_immediate_stop(me4000_ao_context_t * ao_context) +{ + u32 tmp; + wait_queue_head_t queue; + unsigned long flags; + + init_waitqueue_head(&queue); + + CALL_PDEBUG("me4000_ao_immediate_stop() is executed\n"); + + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ao_immediate_stop():Wait on state machine after stop interrupted\n"); + return -EINTR; + } + } + + /* Clear the stop bits */ + //tmp &= ~(ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP); + //me4000_outl(tmp, ao_context->ctrl_reg); + + return 0; +} + +static int me4000_ao_timer_set_divisor(u32 * arg, + me4000_ao_context_t * ao_context) +{ + u32 divisor; + u32 tmp; + + CALL_PDEBUG("me4000_ao_timer set_divisor() is executed\n"); + + if (get_user(divisor, arg)) + return -EFAULT; + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_timer_set_divisor():Can't set timer while DAC is running\n"); + return -EBUSY; + } + + PDEBUG("me4000_ao_timer set_divisor():Divisor from user = %d\n", + divisor); + + /* Check if the divisor is right. ME4000_AO_MIN_TICKS is the lowest */ + if (divisor < ME4000_AO_MIN_TICKS) { + printk(KERN_ERR + "ME4000:me4000_ao_timer set_divisor():Divisor to low\n"); + return -EINVAL; + } + + /* Fix bug in Firmware */ + divisor -= 2; + + PDEBUG("me4000_ao_timer set_divisor():Divisor to HW = %d\n", divisor); + + /* Write the divisor */ + me4000_outl(divisor, ao_context->timer_reg); + + return 0; +} + +static int me4000_ao_ex_trig_set_edge(int *arg, + me4000_ao_context_t * ao_context) +{ + int mode; + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_ex_trig_set_edge() is executed\n"); + + if (get_user(mode, arg)) + return -EFAULT; + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_ex_trig_set_edge():Can't set trigger while DAC is running\n"); + return -EBUSY; + } + + if (mode == ME4000_AO_TRIGGER_EXT_EDGE_RISING) { + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp &= + ~(ME4000_AO_CTRL_BIT_EX_TRIG_EDGE | + ME4000_AO_CTRL_BIT_EX_TRIG_BOTH); + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } else if (mode == ME4000_AO_TRIGGER_EXT_EDGE_FALLING) { + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp &= ~ME4000_AO_CTRL_BIT_EX_TRIG_BOTH; + tmp |= ME4000_AO_CTRL_BIT_EX_TRIG_EDGE; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } else if (mode == ME4000_AO_TRIGGER_EXT_EDGE_BOTH) { + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= + ME4000_AO_CTRL_BIT_EX_TRIG_EDGE | + ME4000_AO_CTRL_BIT_EX_TRIG_BOTH; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + } else { + printk(KERN_ERR + "me4000_ao_ex_trig_set_edge():Invalid trigger mode\n"); + return -EINVAL; + } + + return 0; +} + +static int me4000_ao_ex_trig_enable(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_ex_trig_enable() is executed\n"); + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_ex_trig_enable():Can't enable trigger while DAC is running\n"); + return -EBUSY; + } + + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_ex_trig_disable(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_ex_trig_disable() is executed\n"); + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_ex_trig_disable():Can't disable trigger while DAC is running\n"); + return -EBUSY; + } + + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context) +{ + u32 tmp; + + CALL_PDEBUG("me4000_ao_simultaneous_disable() is executed\n"); + + /* Check if the state machine is stopped */ + /* Be careful here because this function is called from + me4000_ao_synchronous disable */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_simultaneous_disable():Can't disable while DAC is running\n"); + return -EBUSY; + } + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + tmp &= ~(0x1 << ao_context->index); // Disable preload bit + tmp &= ~(0x1 << (ao_context->index + 16)); // Disable hw simultaneous bit + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + return 0; +} + +static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context) +{ + u32 tmp; + + CALL_PDEBUG("me4000_ao_simultaneous_ex_trig() is executed\n"); + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + tmp |= (0x1 << ao_context->index); // Enable preload bit + tmp |= (0x1 << (ao_context->index + 16)); // Enable hw simultaneous bit + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + return 0; +} + +static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context) +{ + u32 tmp; + + CALL_PDEBUG("me4000_ao_simultaneous_sw() is executed\n"); + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + tmp |= (0x1 << ao_context->index); // Enable preload bit + tmp &= ~(0x1 << (ao_context->index + 16)); // Disable hw simultaneous bit + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + return 0; +} + +static int me4000_ao_preload(me4000_ao_context_t * ao_context) +{ + CALL_PDEBUG("me4000_ao_preload() is executed\n"); + return me4000_ao_simultaneous_sw(ao_context); +} + +static int me4000_ao_preload_update(me4000_ao_context_t * ao_context) +{ + u32 tmp; + u32 ctrl; + struct list_head *entry; + + CALL_PDEBUG("me4000_ao_preload_update() is executed\n"); + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + list_for_each(entry, &ao_context->board_info->ao_context_list) { + /* The channels we update must be in the following state : + - Mode A + - Hardware trigger is disabled + - Corresponding simultaneous bit is reset + */ + ctrl = me4000_inl(ao_context->ctrl_reg); + if (! + (ctrl & + (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1 | + ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG))) { + if (! + (tmp & + (0x1 << + (((me4000_ao_context_t *) entry)->index + 16)))) { + tmp &= + ~(0x1 << + (((me4000_ao_context_t *) entry)->index)); + } + } + } + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + return 0; +} + +static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * arg, + me4000_ao_context_t * ao_context) +{ + int err; + int i; + u32 tmp; + me4000_ao_channel_list_t channels; + + CALL_PDEBUG("me4000_ao_simultaneous_update() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&channels, arg, sizeof(me4000_ao_channel_list_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ao_simultaneous_update():Can't copy command\n"); + return -EFAULT; + } + + channels.list = + kmalloc(sizeof(unsigned long) * channels.count, GFP_KERNEL); + if (!channels.list) { + printk(KERN_ERR + "ME4000:me4000_ao_simultaneous_update():Can't get buffer\n"); + return -ENOMEM; + } + memset(channels.list, 0, sizeof(unsigned long) * channels.count); + + /* Copy channel list from user */ + err = + copy_from_user(channels.list, arg->list, + sizeof(unsigned long) * channels.count); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ao_simultaneous_update():Can't copy list\n"); + kfree(channels.list); + return -EFAULT; + } + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + for (i = 0; i < channels.count; i++) { + if (channels.list[i] > + ao_context->board_info->board_p->ao.count) { + spin_unlock(&ao_context->board_info->preload_lock); + kfree(channels.list); + printk(KERN_ERR + "ME4000:me4000_ao_simultaneous_update():Invalid board number specified\n"); + return -EFAULT; + } + tmp &= ~(0x1 << channels.list[i]); // Clear the preload bit + tmp &= ~(0x1 << (channels.list[i] + 16)); // Clear the hw simultaneous bit + } + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + kfree(channels.list); + + return 0; +} + +static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_synchronous_ex_trig() is executed\n"); + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR + "me4000_ao_synchronous_ex_trig(): DAC is running\n"); + return -EBUSY; + } + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + tmp &= ~(0x1 << ao_context->index); // Disable synchronous sw bit + tmp |= 0x1 << (ao_context->index + 16); // Enable synchronous hw bit + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + /* Make runnable */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + if (tmp & (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1)) { + tmp &= + ~(ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP); + me4000_outl(tmp, ao_context->ctrl_reg); + } + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_synchronous_sw() is executed\n"); + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR "me4000_ao_synchronous_sw(): DAC is running\n"); + return -EBUSY; + } + + spin_lock(&ao_context->board_info->preload_lock); + tmp = me4000_inl(ao_context->preload_reg); + tmp |= 0x1 << ao_context->index; // Enable synchronous sw bit + tmp &= ~(0x1 << (ao_context->index + 16)); // Disable synchronous hw bit + me4000_outl(tmp, ao_context->preload_reg); + spin_unlock(&ao_context->board_info->preload_lock); + + /* Make runnable */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = me4000_inl(ao_context->ctrl_reg); + if (tmp & (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1)) { + tmp &= + ~(ME4000_AO_CTRL_BIT_STOP | + ME4000_AO_CTRL_BIT_IMMEDIATE_STOP); + me4000_outl(tmp, ao_context->ctrl_reg); + } + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context) +{ + return me4000_ao_simultaneous_disable(ao_context); +} + +static int me4000_ao_get_free_buffer(unsigned long *arg, + me4000_ao_context_t * ao_context) +{ + unsigned long c; + int err; + + c = me4000_buf_space(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT); + + err = copy_to_user(arg, &c, sizeof(unsigned long)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ao_get_free_buffer():Can't copy to user space\n"); + return -EFAULT; + } + + return 0; +} + +static int me4000_ao_ex_trig_timeout(unsigned long *arg, + me4000_ao_context_t * ao_context) +{ + u32 tmp; + wait_queue_head_t queue; + unsigned long ref; + unsigned long timeout; + + CALL_PDEBUG("me4000_ao_ex_trig_timeout() is executed\n"); + + if (get_user(timeout, arg)) { + printk(KERN_ERR + "me4000_ao_ex_trig_timeout():Cannot copy data from user\n"); + return -EFAULT; + } + + init_waitqueue_head(&queue); + + tmp = inl(ao_context->ctrl_reg); + + if ((tmp & ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG)) { + if (timeout) { + ref = jiffies; + while ((inl(ao_context->status_reg) & + ME4000_AO_STATUS_BIT_FSM)) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ao_ex_trig_timeout():Wait on start of state machine interrupted\n"); + return -EINTR; + } + if (((jiffies - ref) > (timeout * HZ / USER_HZ))) { // 2.6 has diffrent definitions for HZ in user and kernel space + printk(KERN_ERR + "ME4000:me4000_ao_ex_trig_timeout():Timeout reached\n"); + return -EIO; + } + } + } else { + while ((inl(ao_context->status_reg) & + ME4000_AO_STATUS_BIT_FSM)) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ao_ex_trig_timeout():Wait on start of state machine interrupted\n"); + return -EINTR; + } + } + } + } else { + printk(KERN_ERR + "ME4000:me4000_ao_ex_trig_timeout():External Trigger is not enabled\n"); + return -EINVAL; + } + + return 0; +} + +static int me4000_ao_enable_do(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_enable_do() is executed\n"); + + /* Only available for analog output 3 */ + if (ao_context->index != 3) { + printk(KERN_ERR + "me4000_ao_enable_do():Only available for analog output 3\n"); + return -ENOTTY; + } + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR "me4000_ao_enable_do(): DAC is running\n"); + return -EBUSY; + } + + /* Set the stop bit */ + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_ENABLE_DO; + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_disable_do(me4000_ao_context_t * ao_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ao_disable_do() is executed\n"); + + /* Only available for analog output 3 */ + if (ao_context->index != 3) { + printk(KERN_ERR + "me4000_ao_disable():Only available for analog output 3\n"); + return -ENOTTY; + } + + /* Check if the state machine is stopped */ + tmp = me4000_inl(ao_context->status_reg); + if (tmp & ME4000_AO_STATUS_BIT_FSM) { + printk(KERN_ERR "me4000_ao_disable_do(): DAC is running\n"); + return -EBUSY; + } + + spin_lock_irqsave(&ao_context->int_lock, flags); + tmp = inl(ao_context->ctrl_reg); + tmp &= ~(ME4000_AO_CTRL_BIT_ENABLE_DO); + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock_irqrestore(&ao_context->int_lock, flags); + + return 0; +} + +static int me4000_ao_fsm_state(int *arg, me4000_ao_context_t * ao_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ao_fsm_state() is executed\n"); + + tmp = + (me4000_inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) ? 1 + : 0; + + if (ao_context->pipe_flag) { + printk(KERN_ERR "me4000_ao_fsm_state():Broken pipe detected\n"); + return -EPIPE; + } + + if (put_user(tmp, arg)) { + printk(KERN_ERR "me4000_ao_fsm_state():Cannot copy to user\n"); + return -EFAULT; + } + + return 0; +} + +/*------------------------------- Analog input stuff --------------------------------------*/ + +static int me4000_ai_prepare(me4000_ai_context_t * ai_context) +{ + wait_queue_head_t queue; + int err; + + CALL_PDEBUG("me4000_ai_prepare() is executed\n"); + + init_waitqueue_head(&queue); + + /* Set the new mode and stop bits */ + me4000_outl(ai_context-> + mode | ME4000_AI_CTRL_BIT_STOP | + ME4000_AI_CTRL_BIT_IMMEDIATE_STOP, ai_context->ctrl_reg); + + /* Set the timer registers */ + ai_context->chan_timer = 66; + ai_context->chan_pre_timer = 66; + ai_context->scan_timer_low = 0; + ai_context->scan_timer_high = 0; + + me4000_outl(65, ai_context->chan_timer_reg); + me4000_outl(65, ai_context->chan_pre_timer_reg); + me4000_outl(0, ai_context->scan_timer_low_reg); + me4000_outl(0, ai_context->scan_timer_high_reg); + me4000_outl(0, ai_context->scan_pre_timer_low_reg); + me4000_outl(0, ai_context->scan_pre_timer_high_reg); + + ai_context->channel_list_count = 0; + + if (ai_context->mode) { + /* Request the interrupt line */ + err = + request_irq(ai_context->irq, me4000_ai_isr, + IRQF_DISABLED | IRQF_SHARED, ME4000_NAME, + ai_context); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_prepare():Can't get interrupt line"); + return -ENODEV; + } + + /* Allocate circular buffer */ + ai_context->circ_buf.buf = + kmalloc(ME4000_AI_BUFFER_SIZE, GFP_KERNEL); + if (!ai_context->circ_buf.buf) { + printk(KERN_ERR + "ME4000:me4000_ai_prepare():Can't get circular buffer\n"); + free_irq(ai_context->irq, ai_context); + return -ENOMEM; + } + memset(ai_context->circ_buf.buf, 0, ME4000_AI_BUFFER_SIZE); + + /* Clear the circular buffer */ + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + } + + return 0; +} + +static int me4000_ai_reset(me4000_ai_context_t * ai_context) +{ + wait_queue_head_t queue; + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_reset() is executed\n"); + + init_waitqueue_head(&queue); + + /* + * First stop conversion of the state machine before reconfigure. + * If not stopped before configuring mode, it could + * walk in a undefined state. + */ + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "me4000_ai_reset():Wait on state machine after stop interrupted\n"); + return -EINTR; + } + } + + /* Clear the control register and set the stop bits */ + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + me4000_outl(ME4000_AI_CTRL_BIT_IMMEDIATE_STOP | ME4000_AI_CTRL_BIT_STOP, + ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + /* Reset timer registers */ + ai_context->chan_timer = 66; + ai_context->chan_pre_timer = 66; + ai_context->scan_timer_low = 0; + ai_context->scan_timer_high = 0; + ai_context->sample_counter = 0; + ai_context->sample_counter_reload = 0; + + me4000_outl(65, ai_context->chan_timer_reg); + me4000_outl(65, ai_context->chan_pre_timer_reg); + me4000_outl(0, ai_context->scan_timer_low_reg); + me4000_outl(0, ai_context->scan_timer_high_reg); + me4000_outl(0, ai_context->scan_pre_timer_low_reg); + me4000_outl(0, ai_context->scan_pre_timer_high_reg); + me4000_outl(0, ai_context->sample_counter_reg); + + ai_context->channel_list_count = 0; + + /* Clear the circular buffer */ + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + + return 0; +} + +static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ai_context_t *ai_context; + + CALL_PDEBUG("me4000_ai_ioctl_sing() is executed\n"); + + ai_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_ai_ioctl_sing():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR + "me4000_ai_ioctl_sing():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_AI_SINGLE: + return me4000_ai_single((me4000_ai_single_t *) arg, ai_context); + case ME4000_AI_EX_TRIG_ENABLE: + return me4000_ai_ex_trig_enable(ai_context); + case ME4000_AI_EX_TRIG_DISABLE: + return me4000_ai_ex_trig_disable(ai_context); + case ME4000_AI_EX_TRIG_SETUP: + return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg, + ai_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ai_context->board_info); + case ME4000_AI_OFFSET_ENABLE: + return me4000_ai_offset_enable(ai_context); + case ME4000_AI_OFFSET_DISABLE: + return me4000_ai_offset_disable(ai_context); + case ME4000_AI_FULLSCALE_ENABLE: + return me4000_ai_fullscale_enable(ai_context); + case ME4000_AI_FULLSCALE_DISABLE: + return me4000_ai_fullscale_disable(ai_context); + case ME4000_AI_EEPROM_READ: + return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context); + case ME4000_AI_EEPROM_WRITE: + return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context); + default: + printk(KERN_ERR + "me4000_ai_ioctl_sing():Invalid service number\n"); + return -ENOTTY; + } + return 0; +} + +static int me4000_ai_single(me4000_ai_single_t * arg, + me4000_ai_context_t * ai_context) +{ + me4000_ai_single_t cmd; + int err; + u32 tmp; + wait_queue_head_t queue; + unsigned long jiffy; + + CALL_PDEBUG("me4000_ai_single() is executed\n"); + + init_waitqueue_head(&queue); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_ai_single_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Can't copy from user space\n"); + return -EFAULT; + } + + /* Check range parameter */ + switch (cmd.range) { + case ME4000_AI_LIST_RANGE_BIPOLAR_10: + case ME4000_AI_LIST_RANGE_BIPOLAR_2_5: + case ME4000_AI_LIST_RANGE_UNIPOLAR_10: + case ME4000_AI_LIST_RANGE_UNIPOLAR_2_5: + break; + default: + printk(KERN_ERR + "ME4000:me4000_ai_single():Invalid range specified\n"); + return -EINVAL; + } + + /* Check mode and channel number */ + switch (cmd.mode) { + case ME4000_AI_LIST_INPUT_SINGLE_ENDED: + if (cmd.channel >= ai_context->board_info->board_p->ai.count) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Analog input is not available\n"); + return -EINVAL; + } + break; + case ME4000_AI_LIST_INPUT_DIFFERENTIAL: + if (cmd.channel >= + ai_context->board_info->board_p->ai.diff_count) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Analog input is not available in differential mode\n"); + return -EINVAL; + } + break; + default: + printk(KERN_ERR + "ME4000:me4000_ai_single():Invalid mode specified\n"); + return -EINVAL; + } + + /* Clear channel list, data fifo and both stop bits */ + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= + ~(ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_DATA_FIFO | + ME4000_AI_CTRL_BIT_STOP | ME4000_AI_CTRL_BIT_IMMEDIATE_STOP); + me4000_outl(tmp, ai_context->ctrl_reg); + + /* Enable channel list and data fifo */ + tmp |= ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_DATA_FIFO; + me4000_outl(tmp, ai_context->ctrl_reg); + + /* Generate channel list entry */ + me4000_outl(cmd.channel | cmd.range | cmd. + mode | ME4000_AI_LIST_LAST_ENTRY, + ai_context->channel_list_reg); + + /* Set the timer to maximum */ + me4000_outl(66, ai_context->chan_timer_reg); + me4000_outl(66, ai_context->chan_pre_timer_reg); + + if (tmp & ME4000_AI_CTRL_BIT_EX_TRIG) { + jiffy = jiffies; + while (! + (me4000_inl(ai_context->status_reg) & + ME4000_AI_STATUS_BIT_EF_DATA)) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Wait on start of state machine interrupted\n"); + return -EINTR; + } + if (((jiffies - jiffy) > (cmd.timeout * HZ / USER_HZ)) && cmd.timeout) { // 2.6 has diffrent definitions for HZ in user and kernel space + printk(KERN_ERR + "ME4000:me4000_ai_single():Timeout reached\n"); + return -EIO; + } + } + } else { + /* Start conversion */ + me4000_inl(ai_context->start_reg); + + /* Wait until ready */ + udelay(10); + if (! + (me4000_inl(ai_context->status_reg) & + ME4000_AI_STATUS_BIT_EF_DATA)) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Value not available after wait\n"); + return -EIO; + } + } + + /* Read value from data fifo */ + cmd.value = me4000_inl(ai_context->data_reg) & 0xFFFF; + + /* Copy result back to user */ + err = copy_to_user(arg, &cmd, sizeof(me4000_ai_single_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_single():Can't copy to user space\n"); + return -EFAULT; + } + + return 0; +} + +static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ai_context_t *ai_context; + + CALL_PDEBUG("me4000_ai_ioctl_sw() is executed\n"); + + ai_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_ai_ioctl_sw():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR + "me4000_ai_ioctl_sw():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_AI_SC_SETUP: + return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context); + case ME4000_AI_CONFIG: + return me4000_ai_config((me4000_ai_config_t *) arg, ai_context); + case ME4000_AI_START: + return me4000_ai_start(ai_context); + case ME4000_AI_STOP: + return me4000_ai_stop(ai_context); + case ME4000_AI_IMMEDIATE_STOP: + return me4000_ai_immediate_stop(ai_context); + case ME4000_AI_FSM_STATE: + return me4000_ai_fsm_state((int *)arg, ai_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ai_context->board_info); + case ME4000_AI_EEPROM_READ: + return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context); + case ME4000_AI_EEPROM_WRITE: + return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context); + case ME4000_AI_GET_COUNT_BUFFER: + return me4000_ai_get_count_buffer((unsigned long *)arg, + ai_context); + default: + printk(KERN_ERR + "ME4000:me4000_ai_ioctl_sw():Invalid service number %d\n", + service); + return -ENOTTY; + } + return 0; +} + +static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ai_context_t *ai_context; + + CALL_PDEBUG("me4000_ai_ioctl_ext() is executed\n"); + + ai_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_ai_ioctl_ext():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR + "me4000_ai_ioctl_ext():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_AI_SC_SETUP: + return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context); + case ME4000_AI_CONFIG: + return me4000_ai_config((me4000_ai_config_t *) arg, ai_context); + case ME4000_AI_START: + return me4000_ai_start_ex((unsigned long *)arg, ai_context); + case ME4000_AI_STOP: + return me4000_ai_stop(ai_context); + case ME4000_AI_IMMEDIATE_STOP: + return me4000_ai_immediate_stop(ai_context); + case ME4000_AI_EX_TRIG_ENABLE: + return me4000_ai_ex_trig_enable(ai_context); + case ME4000_AI_EX_TRIG_DISABLE: + return me4000_ai_ex_trig_disable(ai_context); + case ME4000_AI_EX_TRIG_SETUP: + return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg, + ai_context); + case ME4000_AI_FSM_STATE: + return me4000_ai_fsm_state((int *)arg, ai_context); + case ME4000_GET_USER_INFO: + return me4000_get_user_info((me4000_user_info_t *) arg, + ai_context->board_info); + case ME4000_AI_GET_COUNT_BUFFER: + return me4000_ai_get_count_buffer((unsigned long *)arg, + ai_context); + default: + printk(KERN_ERR + "ME4000:me4000_ai_ioctl_ext():Invalid service number %d\n", + service); + return -ENOTTY; + } + return 0; +} + +static int me4000_ai_fasync(int fd, struct file *file_p, int mode) +{ + me4000_ai_context_t *ai_context; + + CALL_PDEBUG("me4000_ao_fasync_cont() is executed\n"); + + ai_context = file_p->private_data; + return fasync_helper(fd, file_p, mode, &ai_context->fasync_p); +} + +static int me4000_ai_config(me4000_ai_config_t * arg, + me4000_ai_context_t * ai_context) +{ + me4000_ai_config_t cmd; + u32 *list = NULL; + u32 mode; + int i; + int err; + wait_queue_head_t queue; + u64 scan; + u32 tmp; + + CALL_PDEBUG("me4000_ai_config() is executed\n"); + + init_waitqueue_head(&queue); + + /* Check if conversion is stopped */ + if (inl(ai_context->ctrl_reg) & ME4000_AI_STATUS_BIT_FSM) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Conversion is not stopped\n"); + err = -EBUSY; + goto AI_CONFIG_ERR; + } + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_ai_config_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Can't copy from user space\n"); + err = -EFAULT; + goto AI_CONFIG_ERR; + } + + PDEBUG + ("me4000_ai_config():chan = %ld, pre_chan = %ld, scan_low = %ld, scan_high = %ld, count = %ld\n", + cmd.timer.chan, cmd.timer.pre_chan, cmd.timer.scan_low, + cmd.timer.scan_high, cmd.channel_list.count); + + /* Check whether sample and hold is available for this board */ + if (cmd.sh) { + if (!ai_context->board_info->board_p->ai.sh_count) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Sample and Hold is not available for this board\n"); + err = -ENODEV; + goto AI_CONFIG_ERR; + } + } + + /* Check the channel list size */ + if (cmd.channel_list.count > ME4000_AI_CHANNEL_LIST_COUNT) { + printk(KERN_ERR + "me4000_ai_config():Channel list is to large\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + + /* Copy channel list from user */ + list = kmalloc(sizeof(u32) * cmd.channel_list.count, GFP_KERNEL); + if (!list) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Can't get memory for channel list\n"); + err = -ENOMEM; + goto AI_CONFIG_ERR; + } + err = + copy_from_user(list, cmd.channel_list.list, + sizeof(u32) * cmd.channel_list.count); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Can't copy from user space\n"); + err = -EFAULT; + goto AI_CONFIG_ERR; + } + + /* Check if last entry bit is set */ + if (!(list[cmd.channel_list.count - 1] & ME4000_AI_LIST_LAST_ENTRY)) { + printk(KERN_WARNING + "me4000_ai_config():Last entry bit is not set\n"); + list[cmd.channel_list.count - 1] |= ME4000_AI_LIST_LAST_ENTRY; + } + + /* Check whether mode is equal for all entries */ + mode = list[0] & 0x20; + for (i = 0; i < cmd.channel_list.count; i++) { + if ((list[i] & 0x20) != mode) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Mode is not equal for all entries\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + } + + /* Check whether channels are available for this mode */ + if (mode == ME4000_AI_LIST_INPUT_SINGLE_ENDED) { + for (i = 0; i < cmd.channel_list.count; i++) { + if ((list[i] & 0x1F) >= + ai_context->board_info->board_p->ai.count) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Channel is not available for single ended\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + } + } else if (mode == ME4000_AI_LIST_INPUT_DIFFERENTIAL) { + for (i = 0; i < cmd.channel_list.count; i++) { + if ((list[i] & 0x1F) >= + ai_context->board_info->board_p->ai.diff_count) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Channel is not available for differential\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + } + } + + /* Check if bipolar is set for all entries when in differential mode */ + if (mode == ME4000_AI_LIST_INPUT_DIFFERENTIAL) { + for (i = 0; i < cmd.channel_list.count; i++) { + if ((list[i] & 0xC0) != ME4000_AI_LIST_RANGE_BIPOLAR_10 + && (list[i] & 0xC0) != + ME4000_AI_LIST_RANGE_BIPOLAR_2_5) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Bipolar is not selected in differential mode\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + } + } + + if (ai_context->mode != ME4000_AI_ACQ_MODE_EXT_SINGLE_VALUE) { + /* Check for minimum channel divisor */ + if (cmd.timer.chan < ME4000_AI_MIN_TICKS) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Channel timer divisor is to low\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + + /* Check if minimum channel divisor is adjusted when sample and hold is activated */ + if ((cmd.sh) && (cmd.timer.chan != ME4000_AI_MIN_TICKS)) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Channel timer divisor must be at minimum when sample and hold is activated\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + + /* Check for minimum channel pre divisor */ + if (cmd.timer.pre_chan < ME4000_AI_MIN_TICKS) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Channel pre timer divisor is to low\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + + /* Write the channel timers */ + me4000_outl(cmd.timer.chan - 1, ai_context->chan_timer_reg); + me4000_outl(cmd.timer.pre_chan - 1, + ai_context->chan_pre_timer_reg); + + /* Save the timer values in the board context */ + ai_context->chan_timer = cmd.timer.chan; + ai_context->chan_pre_timer = cmd.timer.pre_chan; + + if (ai_context->mode != ME4000_AI_ACQ_MODE_EXT_SINGLE_CHANLIST) { + /* Check for scan timer divisor */ + scan = + (u64) cmd.timer.scan_low | ((u64) cmd.timer. + scan_high << 32); + if (scan != 0) { + if (scan < + cmd.channel_list.count * cmd.timer.chan + + 1) { + printk(KERN_ERR + "ME4000:me4000_ai_config():Scan timer divisor is to low\n"); + err = -EINVAL; + goto AI_CONFIG_ERR; + } + } + + /* Write the scan timers */ + if (scan != 0) { + scan--; + tmp = (u32) (scan & 0xFFFFFFFF); + me4000_outl(tmp, + ai_context->scan_timer_low_reg); + tmp = (u32) ((scan >> 32) & 0xFFFFFFFF); + me4000_outl(tmp, + ai_context->scan_timer_high_reg); + + scan = + scan - (cmd.timer.chan - 1) + + (cmd.timer.pre_chan - 1); + tmp = (u32) (scan & 0xFFFFFFFF); + me4000_outl(tmp, + ai_context->scan_pre_timer_low_reg); + tmp = (u32) ((scan >> 32) & 0xFFFFFFFF); + me4000_outl(tmp, + ai_context-> + scan_pre_timer_high_reg); + } else { + me4000_outl(0x0, + ai_context->scan_timer_low_reg); + me4000_outl(0x0, + ai_context->scan_timer_high_reg); + + me4000_outl(0x0, + ai_context->scan_pre_timer_low_reg); + me4000_outl(0x0, + ai_context-> + scan_pre_timer_high_reg); + } + + ai_context->scan_timer_low = cmd.timer.scan_low; + ai_context->scan_timer_high = cmd.timer.scan_high; + } + } + + /* Clear the channel list */ + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_CHANNEL_FIFO; + me4000_outl(tmp, ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_CHANNEL_FIFO; + me4000_outl(tmp, ai_context->ctrl_reg); + + /* Write the channel list */ + for (i = 0; i < cmd.channel_list.count; i++) { + me4000_outl(list[i], ai_context->channel_list_reg); + } + + /* Setup sample and hold */ + if (cmd.sh) { + tmp |= ME4000_AI_CTRL_BIT_SAMPLE_HOLD; + me4000_outl(tmp, ai_context->ctrl_reg); + } else { + tmp &= ~ME4000_AI_CTRL_BIT_SAMPLE_HOLD; + me4000_outl(tmp, ai_context->ctrl_reg); + } + + /* Save the channel list size in the board context */ + ai_context->channel_list_count = cmd.channel_list.count; + + kfree(list); + + return 0; + + AI_CONFIG_ERR: + + /* Reset the timers */ + ai_context->chan_timer = 66; + ai_context->chan_pre_timer = 66; + ai_context->scan_timer_low = 0; + ai_context->scan_timer_high = 0; + + me4000_outl(65, ai_context->chan_timer_reg); + me4000_outl(65, ai_context->chan_pre_timer_reg); + me4000_outl(0, ai_context->scan_timer_high_reg); + me4000_outl(0, ai_context->scan_timer_low_reg); + me4000_outl(0, ai_context->scan_pre_timer_high_reg); + me4000_outl(0, ai_context->scan_pre_timer_low_reg); + + ai_context->channel_list_count = 0; + + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= + ~(ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_SAMPLE_HOLD); + + if (list) + kfree(list); + + return err; + +} + +static int ai_common_start(me4000_ai_context_t * ai_context) +{ + u32 tmp; + CALL_PDEBUG("ai_common_start() is executed\n"); + + tmp = me4000_inl(ai_context->ctrl_reg); + + /* Check if conversion is stopped */ + if (tmp & ME4000_AI_STATUS_BIT_FSM) { + printk(KERN_ERR + "ME4000:ai_common_start():Conversion is not stopped\n"); + return -EBUSY; + } + + /* Clear data fifo, disable all interrupts, clear sample counter reload */ + tmp &= ~(ME4000_AI_CTRL_BIT_DATA_FIFO | ME4000_AI_CTRL_BIT_LE_IRQ | + ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_SC_RELOAD); + + me4000_outl(tmp, ai_context->ctrl_reg); + + /* Clear circular buffer */ + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + + /* Enable data fifo */ + tmp |= ME4000_AI_CTRL_BIT_DATA_FIFO; + + /* Determine interrupt setup */ + if (ai_context->sample_counter && !ai_context->sample_counter_reload) { + /* Enable Half Full Interrupt and Sample Counter Interrupt */ + tmp |= ME4000_AI_CTRL_BIT_SC_IRQ | ME4000_AI_CTRL_BIT_HF_IRQ; + } else if (ai_context->sample_counter + && ai_context->sample_counter_reload) { + if (ai_context->sample_counter <= ME4000_AI_FIFO_COUNT / 2) { + /* Enable only Sample Counter Interrupt */ + tmp |= + ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_SC_RELOAD; + } else { + /* Enable Half Full Interrupt and Sample Counter Interrupt */ + tmp |= + ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_HF_IRQ | + ME4000_AI_CTRL_BIT_SC_RELOAD; + } + } else { + /* Enable only Half Full Interrupt */ + tmp |= ME4000_AI_CTRL_BIT_HF_IRQ; + } + + /* Clear the stop bits */ + tmp &= ~(ME4000_AI_CTRL_BIT_STOP | ME4000_AI_CTRL_BIT_IMMEDIATE_STOP); + + /* Write setup to hardware */ + me4000_outl(tmp, ai_context->ctrl_reg); + + /* Write sample counter */ + me4000_outl(ai_context->sample_counter, ai_context->sample_counter_reg); + + return 0; +} + +static int me4000_ai_start(me4000_ai_context_t * ai_context) +{ + int err; + CALL_PDEBUG("me4000_ai_start() is executed\n"); + + /* Prepare Hardware */ + err = ai_common_start(ai_context); + if (err) + return err; + + /* Start conversion by dummy read */ + me4000_inl(ai_context->start_reg); + + return 0; +} + +static int me4000_ai_start_ex(unsigned long *arg, + me4000_ai_context_t * ai_context) +{ + int err; + wait_queue_head_t queue; + unsigned long ref; + unsigned long timeout; + + CALL_PDEBUG("me4000_ai_start_ex() is executed\n"); + + if (get_user(timeout, arg)) { + printk(KERN_ERR + "me4000_ai_start_ex():Cannot copy data from user\n"); + return -EFAULT; + } + + init_waitqueue_head(&queue); + + /* Prepare Hardware */ + err = ai_common_start(ai_context); + if (err) + return err; + + if (timeout) { + ref = jiffies; + while (! + (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) + { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_start_ex():Wait on start of state machine interrupted\n"); + return -EINTR; + } + if (((jiffies - ref) > (timeout * HZ / USER_HZ))) { // 2.6 has diffrent definitions for HZ in user and kernel space + printk(KERN_ERR + "ME4000:me4000_ai_start_ex():Timeout reached\n"); + return -EIO; + } + } + } else { + while (! + (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) + { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_start_ex():Wait on start of state machine interrupted\n"); + return -EINTR; + } + } + } + + return 0; +} + +static int me4000_ai_stop(me4000_ai_context_t * ai_context) +{ + wait_queue_head_t queue; + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_stop() is executed\n"); + + init_waitqueue_head(&queue); + + /* Disable irqs and clear data fifo */ + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= + ~(ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_DATA_FIFO); + /* Stop conversion of the state machine */ + tmp |= ME4000_AI_CTRL_BIT_STOP; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + /* Clear circular buffer */ + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + + while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_stop():Wait on state machine after stop interrupted\n"); + return -EINTR; + } + } + + return 0; +} + +static int me4000_ai_immediate_stop(me4000_ai_context_t * ai_context) +{ + wait_queue_head_t queue; + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_stop() is executed\n"); + + init_waitqueue_head(&queue); + + /* Disable irqs and clear data fifo */ + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= + ~(ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_DATA_FIFO); + /* Stop conversion of the state machine */ + tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + /* Clear circular buffer */ + ai_context->circ_buf.head = 0; + ai_context->circ_buf.tail = 0; + + while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) { + interruptible_sleep_on_timeout(&queue, 1); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_stop():Wait on state machine after stop interrupted\n"); + return -EINTR; + } + } + + return 0; +} + +static int me4000_ai_ex_trig_enable(me4000_ai_context_t * ai_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_ex_trig_enable() is executed\n"); + + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_EX_TRIG; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + return 0; +} + +static int me4000_ai_ex_trig_disable(me4000_ai_context_t * ai_context) +{ + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_ex_trig_disable() is executed\n"); + + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + + return 0; +} + +static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t * arg, + me4000_ai_context_t * ai_context) +{ + me4000_ai_trigger_t cmd; + int err; + u32 tmp; + unsigned long flags; + + CALL_PDEBUG("me4000_ai_ex_trig_setup() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_ai_trigger_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_ex_trig_setup():Can't copy from user space\n"); + return -EFAULT; + } + + spin_lock_irqsave(&ai_context->int_lock, flags); + tmp = me4000_inl(ai_context->ctrl_reg); + + if (cmd.mode == ME4000_AI_TRIGGER_EXT_DIGITAL) { + tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG; + } else if (cmd.mode == ME4000_AI_TRIGGER_EXT_ANALOG) { + if (!ai_context->board_info->board_p->ai.ex_trig_analog) { + printk(KERN_ERR + "ME4000:me4000_ai_ex_trig_setup():No analog trigger available\n"); + return -EINVAL; + } + tmp |= ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG; + } else { + spin_unlock_irqrestore(&ai_context->int_lock, flags); + printk(KERN_ERR + "ME4000:me4000_ai_ex_trig_setup():Invalid trigger mode specified\n"); + return -EINVAL; + } + + if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_RISING) { + tmp &= + ~(ME4000_AI_CTRL_BIT_EX_TRIG_BOTH | + ME4000_AI_CTRL_BIT_EX_TRIG_FALLING); + } else if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_FALLING) { + tmp |= ME4000_AI_CTRL_BIT_EX_TRIG_FALLING; + tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG_BOTH; + } else if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_BOTH) { + tmp |= + ME4000_AI_CTRL_BIT_EX_TRIG_BOTH | + ME4000_AI_CTRL_BIT_EX_TRIG_FALLING; + } else { + spin_unlock_irqrestore(&ai_context->int_lock, flags); + printk(KERN_ERR + "ME4000:me4000_ai_ex_trig_setup():Invalid trigger edge specified\n"); + return -EINVAL; + } + + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock_irqrestore(&ai_context->int_lock, flags); + return 0; +} + +static int me4000_ai_sc_setup(me4000_ai_sc_t * arg, + me4000_ai_context_t * ai_context) +{ + me4000_ai_sc_t cmd; + int err; + + CALL_PDEBUG("me4000_ai_sc_setup() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_ai_sc_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_sc_setup():Can't copy from user space\n"); + return -EFAULT; + } + + ai_context->sample_counter = cmd.value; + ai_context->sample_counter_reload = cmd.reload; + + return 0; +} + +static ssize_t me4000_ai_read(struct file *filep, char *buff, size_t cnt, + loff_t * offp) +{ + me4000_ai_context_t *ai_context = filep->private_data; + s16 *buffer = (s16 *) buff; + size_t count = cnt / 2; + unsigned long flags; + int tmp; + int c = 0; + int k = 0; + int ret = 0; + wait_queue_t wait; + + CALL_PDEBUG("me4000_ai_read() is executed\n"); + + init_waitqueue_entry(&wait, current); + + /* Check count */ + if (count <= 0) { + PDEBUG("me4000_ai_read():Count is 0\n"); + return 0; + } + + while (count > 0) { + if (filep->f_flags & O_NONBLOCK) { + c = me4000_values_to_end(ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT); + if (!c) { + PDEBUG + ("me4000_ai_read():Returning from nonblocking read\n"); + break; + } + } else { + /* Check if conversion is still running */ + if (! + (me4000_inl(ai_context->status_reg) & + ME4000_AI_STATUS_BIT_FSM)) { + printk(KERN_ERR + "ME4000:me4000_ai_read():Conversion interrupted\n"); + return -EPIPE; + } + + wait_event_interruptible(ai_context->wait_queue, + (me4000_values_to_end + (ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT))); + if (signal_pending(current)) { + printk(KERN_ERR + "ME4000:me4000_ai_read():Wait on values interrupted from signal\n"); + return -EINTR; + } + } + + /* Only read count values or as much as available */ + c = me4000_values_to_end(ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT); + PDEBUG("me4000_ai_read():%d values to end\n", c); + if (count < c) + c = count; + + PDEBUG("me4000_ai_read():Copy %d values to user space\n", c); + k = 2 * c; + k -= copy_to_user(buffer, + ai_context->circ_buf.buf + + ai_context->circ_buf.tail, k); + c = k / 2; + if (!c) { + printk(KERN_ERR + "ME4000:me4000_ai_read():Cannot copy new values to user\n"); + return -EFAULT; + } + + ai_context->circ_buf.tail = + (ai_context->circ_buf.tail + c) & (ME4000_AI_BUFFER_COUNT - + 1); + buffer += c; + count -= c; + ret += c; + + spin_lock_irqsave(&ai_context->int_lock, flags); + if (me4000_buf_space + (ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) { + tmp = me4000_inl(ai_context->ctrl_reg); + + /* Determine interrupt setup */ + if (ai_context->sample_counter + && !ai_context->sample_counter_reload) { + /* Enable Half Full Interrupt and Sample Counter Interrupt */ + tmp |= + ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_HF_IRQ; + } else if (ai_context->sample_counter + && ai_context->sample_counter_reload) { + if (ai_context->sample_counter < + ME4000_AI_FIFO_COUNT / 2) { + /* Enable only Sample Counter Interrupt */ + tmp |= ME4000_AI_CTRL_BIT_SC_IRQ; + } else { + /* Enable Half Full Interrupt and Sample Counter Interrupt */ + tmp |= + ME4000_AI_CTRL_BIT_SC_IRQ | + ME4000_AI_CTRL_BIT_HF_IRQ; + } + } else { + /* Enable only Half Full Interrupt */ + tmp |= ME4000_AI_CTRL_BIT_HF_IRQ; + } + + me4000_outl(tmp, ai_context->ctrl_reg); + } + spin_unlock_irqrestore(&ai_context->int_lock, flags); + } + + /* Check if conversion is still running */ + if (!(me4000_inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) { + printk(KERN_ERR + "ME4000:me4000_ai_read():Conversion not running after complete read\n"); + return -EPIPE; + } + + if (filep->f_flags & O_NONBLOCK) { + return (k == 0) ? -EAGAIN : 2 * ret; + } + + CALL_PDEBUG("me4000_ai_read() is leaved\n"); + return ret * 2; +} + +static unsigned int me4000_ai_poll(struct file *file_p, poll_table * wait) +{ + me4000_ai_context_t *ai_context; + unsigned long mask = 0; + + CALL_PDEBUG("me4000_ai_poll() is executed\n"); + + ai_context = file_p->private_data; + + /* Register wait queue */ + poll_wait(file_p, &ai_context->wait_queue, wait); + + /* Get available values */ + if (me4000_values_to_end(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) + mask |= POLLIN | POLLRDNORM; + + PDEBUG("me4000_ai_poll():Return mask %lX\n", mask); + + return mask; +} + +static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ai_offset_enable() is executed\n"); + + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_OFFSET; + me4000_outl(tmp, ai_context->ctrl_reg); + + return 0; +} + +static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ai_offset_disable() is executed\n"); + + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_OFFSET; + me4000_outl(tmp, ai_context->ctrl_reg); + + return 0; +} + +static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ai_fullscale_enable() is executed\n"); + + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_FULLSCALE; + me4000_outl(tmp, ai_context->ctrl_reg); + + return 0; +} + +static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ai_fullscale_disable() is executed\n"); + + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_FULLSCALE; + me4000_outl(tmp, ai_context->ctrl_reg); + + return 0; +} + +static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ai_fsm_state() is executed\n"); + + tmp = + (me4000_inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) ? 1 + : 0; + + if (put_user(tmp, arg)) { + printk(KERN_ERR "me4000_ai_fsm_state():Cannot copy to user\n"); + return -EFAULT; + } + + return 0; +} + +static int me4000_ai_get_count_buffer(unsigned long *arg, + me4000_ai_context_t * ai_context) +{ + unsigned long c; + int err; + + c = me4000_buf_count(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT); + + err = copy_to_user(arg, &c, sizeof(unsigned long)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_ai_get_count_buffer():Can't copy to user space\n"); + return -EFAULT; + } + + return 0; +} + +/*---------------------------------- EEPROM stuff ---------------------------*/ + +static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd, + int length) +{ + int i; + unsigned long value; + + CALL_PDEBUG("eeprom_write_cmd() is executed\n"); + + PDEBUG("eeprom_write_cmd():Write command 0x%08lX with length = %d\n", + cmd, length); + + /* Get the ICR register and clear the related bits */ + value = me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR); + value &= ~(PLX_ICR_MASK_EEPROM); + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + + /* Raise the chip select */ + value |= PLX_ICR_BIT_EEPROM_CHIP_SELECT; + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + for (i = 0; i < length; i++) { + if (cmd & ((0x1 << (length - 1)) >> i)) { + value |= PLX_ICR_BIT_EEPROM_WRITE; + } else { + value &= ~PLX_ICR_BIT_EEPROM_WRITE; + } + + /* Write to EEPROM */ + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Raising edge of the clock */ + value |= PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Falling edge of the clock */ + value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + } + + /* Clear the chip select */ + value &= ~PLX_ICR_BIT_EEPROM_CHIP_SELECT; + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Wait until hardware is ready for sure */ + mdelay(10); + + return 0; +} + +static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context, + unsigned long cmd, int length) +{ + int i; + unsigned long value; + unsigned short id = 0; + + CALL_PDEBUG("eeprom_read_cmd() is executed\n"); + + PDEBUG("eeprom_read_cmd():Read command 0x%08lX with length = %d\n", cmd, + length); + + /* Get the ICR register and clear the related bits */ + value = me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR); + value &= ~(PLX_ICR_MASK_EEPROM); + + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + + /* Raise the chip select */ + value |= PLX_ICR_BIT_EEPROM_CHIP_SELECT; + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Write the read command to the eeprom */ + for (i = 0; i < length; i++) { + if (cmd & ((0x1 << (length - 1)) >> i)) { + value |= PLX_ICR_BIT_EEPROM_WRITE; + } else { + value &= ~PLX_ICR_BIT_EEPROM_WRITE; + } + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Raising edge of the clock */ + value |= PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + /* Falling edge of the clock */ + value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + } + + /* Read the value from the eeprom */ + for (i = 0; i < 16; i++) { + /* Raising edge of the clock */ + value |= PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + if (me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR) & + PLX_ICR_BIT_EEPROM_READ) { + id |= (0x8000 >> i); + PDEBUG("eeprom_read_cmd():OR with 0x%04X\n", + (0x8000 >> i)); + } else { + PDEBUG("eeprom_read_cmd():Dont't OR\n"); + } + + /* Falling edge of the clock */ + value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET; + me4000_outl(value, + ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + } + + /* Clear the chip select */ + value &= ~PLX_ICR_BIT_EEPROM_CHIP_SELECT; + me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR); + udelay(EEPROM_DELAY); + + return id; +} + +static int me4000_eeprom_write(me4000_eeprom_t * arg, + me4000_ai_context_t * ai_context) +{ + int err; + me4000_eeprom_t setup; + unsigned long cmd; + unsigned long date_high; + unsigned long date_low; + + CALL_PDEBUG("me4000_eeprom_write() is executed\n"); + + err = copy_from_user(&setup, arg, sizeof(setup)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_eeprom_write():Cannot copy from user\n"); + return err; + } + + /* Enable writing */ + eeprom_write_cmd(ai_context, ME4000_EEPROM_CMD_WRITE_ENABLE, + ME4000_EEPROM_CMD_LENGTH_WRITE_ENABLE); + + /* Command for date */ + date_high = (setup.date & 0xFFFF0000) >> 16; + date_low = (setup.date & 0x0000FFFF); + + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_DATE_HIGH << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + date_high); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_DATE_LOW << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + date_low); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for unipolar 10V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + uni_10_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for unipolar 10V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + uni_10_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for unipolar 2,5V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + uni_2_5_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for unipolar 2,5V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + uni_2_5_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for bipolar 10V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + bi_10_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for bipolar 10V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + bi_10_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for bipolar 2,5V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + bi_2_5_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for bipolar 2,5V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + bi_2_5_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for differential 10V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + diff_10_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for differential 10V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE + << ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + diff_10_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for differential 2,5V offset */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET << + ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + diff_2_5_offset); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Command for differential 2,5V fullscale */ + cmd = + ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE + << ME4000_EEPROM_DATA_LENGTH) | (0xFFFF & + (unsigned + long) + setup. + diff_2_5_fullscale); + err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE); + if (err) + return err; + + /* Disable writing */ + eeprom_write_cmd(ai_context, ME4000_EEPROM_CMD_WRITE_DISABLE, + ME4000_EEPROM_CMD_LENGTH_WRITE_DISABLE); + + return 0; +} + +static int me4000_eeprom_read(me4000_eeprom_t * arg, + me4000_ai_context_t * ai_context) +{ + int err; + unsigned long cmd; + me4000_eeprom_t setup; + + CALL_PDEBUG("me4000_eeprom_read() is executed\n"); + + /* Command for date */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_DATE_HIGH; + setup.date = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + setup.date <<= 16; + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_DATE_LOW; + setup.date |= + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for unipolar 10V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET; + setup.uni_10_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for unipolar 10V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE; + setup.uni_10_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for unipolar 2,5V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET; + setup.uni_2_5_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for unipolar 2,5V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE; + setup.uni_2_5_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for bipolar 10V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET; + setup.bi_10_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for bipolar 10V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE; + setup.bi_10_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for bipolar 2,5V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET; + setup.bi_2_5_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for bipolar 2,5V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE; + setup.bi_2_5_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for differntial 10V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET; + setup.diff_10_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for differential 10V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE; + setup.diff_10_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for differntial 2,5V offset */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET; + setup.diff_2_5_offset = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + /* Command for differential 2,5V fullscale */ + cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE; + setup.diff_2_5_fullscale = + eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ); + + err = copy_to_user(arg, &setup, sizeof(setup)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_eeprom_read():Cannot copy to user\n"); + return err; + } + + return 0; +} + +/*------------------------------------ DIO stuff ----------------------------------------------*/ + +static int me4000_dio_ioctl(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_dio_context_t *dio_context; + + CALL_PDEBUG("me4000_dio_ioctl() is executed\n"); + + dio_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_dio_ioctl():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR "me4000_dio_ioctl():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_DIO_CONFIG: + return me4000_dio_config((me4000_dio_config_t *) arg, + dio_context); + case ME4000_DIO_SET_BYTE: + return me4000_dio_set_byte((me4000_dio_byte_t *) arg, + dio_context); + case ME4000_DIO_GET_BYTE: + return me4000_dio_get_byte((me4000_dio_byte_t *) arg, + dio_context); + case ME4000_DIO_RESET: + return me4000_dio_reset(dio_context); + default: + printk(KERN_ERR + "ME4000:me4000_dio_ioctl():Invalid service number %d\n", + service); + return -ENOTTY; + } + return 0; +} + +static int me4000_dio_config(me4000_dio_config_t * arg, + me4000_dio_context_t * dio_context) +{ + me4000_dio_config_t cmd; + u32 tmp; + int err; + + CALL_PDEBUG("me4000_dio_config() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_dio_config_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Can't copy from user space\n"); + return -EFAULT; + } + + /* Check port parameter */ + if (cmd.port >= dio_context->dio_count) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + PDEBUG("me4000_dio_config(): port %d, mode %d, function %d\n", cmd.port, + cmd.mode, cmd.function); + + if (cmd.port == ME4000_DIO_PORT_A) { + if (cmd.mode == ME4000_DIO_PORT_INPUT) { + /* Check if opto isolated version */ + if (!(me4000_inl(dio_context->dir_reg) & 0x1)) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Cannot set to input on opto isolated versions\n"); + return -EIO; + } + + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_0 | + ME4000_DIO_CTRL_BIT_MODE_1); + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_0 | + ME4000_DIO_CTRL_BIT_MODE_1); + tmp |= ME4000_DIO_CTRL_BIT_MODE_0; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_LOW) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_0 | + ME4000_DIO_CTRL_BIT_MODE_1 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_0); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_0 | + ME4000_DIO_CTRL_BIT_MODE_1; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_HIGH) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_0 | + ME4000_DIO_CTRL_BIT_MODE_1 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_0; + me4000_outl(tmp, dio_context->ctrl_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Mode %d is not available\n", + cmd.mode); + return -EINVAL; + } + } else if (cmd.port == ME4000_DIO_PORT_B) { + if (cmd.mode == ME4000_DIO_PORT_INPUT) { + /* Only do anything when TTL version is installed */ + if ((me4000_inl(dio_context->dir_reg) & 0x1)) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_2 | + ME4000_DIO_CTRL_BIT_MODE_3); + me4000_outl(tmp, dio_context->ctrl_reg); + } + } else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) { + /* Check if opto isolated version */ + if (!(me4000_inl(dio_context->dir_reg) & 0x1)) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Cannot set to output on opto isolated versions\n"); + return -EIO; + } + + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_2 | + ME4000_DIO_CTRL_BIT_MODE_3); + tmp |= ME4000_DIO_CTRL_BIT_MODE_2; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_LOW) { + /* Check if opto isolated version */ + if (!(me4000_inl(dio_context->dir_reg) & 0x1)) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Cannot set to FIFO low output on opto isolated versions\n"); + return -EIO; + } + + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_2 | + ME4000_DIO_CTRL_BIT_MODE_3 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_1); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_2 | + ME4000_DIO_CTRL_BIT_MODE_3; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_HIGH) { + /* Check if opto isolated version */ + if (!(me4000_inl(dio_context->dir_reg) & 0x1)) { + printk(KERN_ERR + "ME4000:me4000_dio_config():Cannot set to FIFO high output on opto isolated versions\n"); + return -EIO; + } + + tmp = me4000_inl(dio_context->ctrl_reg); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_2 | + ME4000_DIO_CTRL_BIT_MODE_3 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_1; + me4000_outl(tmp, dio_context->ctrl_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Mode %d is not available\n", + cmd.mode); + return -EINVAL; + } + } else if (cmd.port == ME4000_DIO_PORT_C) { + if (cmd.mode == ME4000_DIO_PORT_INPUT) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_4 | + ME4000_DIO_CTRL_BIT_MODE_5); + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_4 | + ME4000_DIO_CTRL_BIT_MODE_5); + tmp |= ME4000_DIO_CTRL_BIT_MODE_4; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_LOW) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_4 | + ME4000_DIO_CTRL_BIT_MODE_5 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_2); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_4 | + ME4000_DIO_CTRL_BIT_MODE_5; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_HIGH) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_4 | + ME4000_DIO_CTRL_BIT_MODE_5 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_2; + me4000_outl(tmp, dio_context->ctrl_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Mode %d is not available\n", + cmd.mode); + return -EINVAL; + } + } else if (cmd.port == ME4000_DIO_PORT_D) { + if (cmd.mode == ME4000_DIO_PORT_INPUT) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_6 | + ME4000_DIO_CTRL_BIT_MODE_7); + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_6 | + ME4000_DIO_CTRL_BIT_MODE_7); + tmp |= ME4000_DIO_CTRL_BIT_MODE_6; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_LOW) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_MODE_6 | + ME4000_DIO_CTRL_BIT_MODE_7 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_3); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_6 | + ME4000_DIO_CTRL_BIT_MODE_7; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.mode == ME4000_DIO_FIFO_HIGH) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp |= + ME4000_DIO_CTRL_BIT_MODE_6 | + ME4000_DIO_CTRL_BIT_MODE_7 | + ME4000_DIO_CTRL_BIT_FIFO_HIGH_3; + me4000_outl(tmp, dio_context->ctrl_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Mode %d is not available\n", + cmd.mode); + return -EINVAL; + } + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + PDEBUG("me4000_dio_config(): port %d, mode %d, function %d\n", cmd.port, + cmd.mode, cmd.function); + + if ((cmd.mode == ME4000_DIO_FIFO_HIGH) + || (cmd.mode == ME4000_DIO_FIFO_LOW)) { + tmp = me4000_inl(dio_context->ctrl_reg); + tmp &= + ~(ME4000_DIO_CTRL_BIT_FUNCTION_0 | + ME4000_DIO_CTRL_BIT_FUNCTION_1); + if (cmd.function == ME4000_DIO_FUNCTION_PATTERN) { + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.function == ME4000_DIO_FUNCTION_DEMUX) { + tmp |= ME4000_DIO_CTRL_BIT_FUNCTION_0; + me4000_outl(tmp, dio_context->ctrl_reg); + } else if (cmd.function == ME4000_DIO_FUNCTION_MUX) { + tmp |= ME4000_DIO_CTRL_BIT_FUNCTION_1; + me4000_outl(tmp, dio_context->ctrl_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_config():Invalid port function specified\n"); + return -EINVAL; + } + } + + return 0; +} + +static int me4000_dio_set_byte(me4000_dio_byte_t * arg, + me4000_dio_context_t * dio_context) +{ + me4000_dio_byte_t cmd; + int err; + + CALL_PDEBUG("me4000_dio_set_byte() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Can't copy from user space\n"); + return -EFAULT; + } + + /* Check port parameter */ + if (cmd.port >= dio_context->dio_count) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + if (cmd.port == ME4000_DIO_PORT_A) { + if ((me4000_inl(dio_context->ctrl_reg) & 0x3) != 0x1) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n", + cmd.port); + return -EIO; + } + me4000_outl(cmd.byte, dio_context->port_0_reg); + } else if (cmd.port == ME4000_DIO_PORT_B) { + if ((me4000_inl(dio_context->ctrl_reg) & 0xC) != 0x4) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n", + cmd.port); + return -EIO; + } + me4000_outl(cmd.byte, dio_context->port_1_reg); + } else if (cmd.port == ME4000_DIO_PORT_C) { + if ((me4000_inl(dio_context->ctrl_reg) & 0x30) != 0x10) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n", + cmd.port); + return -EIO; + } + me4000_outl(cmd.byte, dio_context->port_2_reg); + } else if (cmd.port == ME4000_DIO_PORT_D) { + if ((me4000_inl(dio_context->ctrl_reg) & 0xC0) != 0x40) { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n", + cmd.port); + return -EIO; + } + me4000_outl(cmd.byte, dio_context->port_3_reg); + } else { + printk(KERN_ERR + "ME4000:me4000_dio_set_byte():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + return 0; +} + +static int me4000_dio_get_byte(me4000_dio_byte_t * arg, + me4000_dio_context_t * dio_context) +{ + me4000_dio_byte_t cmd; + int err; + + CALL_PDEBUG("me4000_dio_get_byte() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_dio_get_byte():Can't copy from user space\n"); + return -EFAULT; + } + + /* Check port parameter */ + if (cmd.port >= dio_context->dio_count) { + printk(KERN_ERR + "ME4000:me4000_dio_get_byte():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + if (cmd.port == ME4000_DIO_PORT_A) { + cmd.byte = me4000_inl(dio_context->port_0_reg) & 0xFF; + } else if (cmd.port == ME4000_DIO_PORT_B) { + cmd.byte = me4000_inl(dio_context->port_1_reg) & 0xFF; + } else if (cmd.port == ME4000_DIO_PORT_C) { + cmd.byte = me4000_inl(dio_context->port_2_reg) & 0xFF; + } else if (cmd.port == ME4000_DIO_PORT_D) { + cmd.byte = me4000_inl(dio_context->port_3_reg) & 0xFF; + } else { + printk(KERN_ERR + "ME4000:me4000_dio_get_byte():Port %d is not available\n", + cmd.port); + return -EINVAL; + } + + /* Copy result back to user */ + err = copy_to_user(arg, &cmd, sizeof(me4000_dio_byte_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_dio_get_byte():Can't copy to user space\n"); + return -EFAULT; + } + + return 0; +} + +static int me4000_dio_reset(me4000_dio_context_t * dio_context) +{ + CALL_PDEBUG("me4000_dio_reset() is executed\n"); + + /* Clear the control register */ + me4000_outl(0, dio_context->ctrl_reg); + + /* Check for opto isolated version */ + if (!(me4000_inl(dio_context->dir_reg) & 0x1)) { + me4000_outl(0x1, dio_context->ctrl_reg); + me4000_outl(0x0, dio_context->port_0_reg); + } + + return 0; +} + +/*------------------------------------ COUNTER STUFF ------------------------------------*/ + +static int me4000_cnt_ioctl(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_cnt_context_t *cnt_context; + + CALL_PDEBUG("me4000_cnt_ioctl() is executed\n"); + + cnt_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_dio_ioctl():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR "me4000_dio_ioctl():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_CNT_READ: + return me4000_cnt_read((me4000_cnt_t *) arg, cnt_context); + case ME4000_CNT_WRITE: + return me4000_cnt_write((me4000_cnt_t *) arg, cnt_context); + case ME4000_CNT_CONFIG: + return me4000_cnt_config((me4000_cnt_config_t *) arg, + cnt_context); + case ME4000_CNT_RESET: + return me4000_cnt_reset(cnt_context); + default: + printk(KERN_ERR + "ME4000:me4000_dio_ioctl():Invalid service number %d\n", + service); + return -ENOTTY; + } + return 0; +} + +static int me4000_cnt_config(me4000_cnt_config_t * arg, + me4000_cnt_context_t * cnt_context) +{ + me4000_cnt_config_t cmd; + u8 counter; + u8 mode; + int err; + + CALL_PDEBUG("me4000_cnt_config() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_config_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_cnt_config():Can't copy from user space\n"); + return -EFAULT; + } + + /* Check counter parameter */ + switch (cmd.counter) { + case ME4000_CNT_COUNTER_0: + counter = ME4000_CNT_CTRL_BIT_COUNTER_0; + break; + case ME4000_CNT_COUNTER_1: + counter = ME4000_CNT_CTRL_BIT_COUNTER_1; + break; + case ME4000_CNT_COUNTER_2: + counter = ME4000_CNT_CTRL_BIT_COUNTER_2; + break; + default: + printk(KERN_ERR + "ME4000:me4000_cnt_config():Counter %d is not available\n", + cmd.counter); + return -EINVAL; + } + + /* Check mode parameter */ + switch (cmd.mode) { + case ME4000_CNT_MODE_0: + mode = ME4000_CNT_CTRL_BIT_MODE_0; + break; + case ME4000_CNT_MODE_1: + mode = ME4000_CNT_CTRL_BIT_MODE_1; + break; + case ME4000_CNT_MODE_2: + mode = ME4000_CNT_CTRL_BIT_MODE_2; + break; + case ME4000_CNT_MODE_3: + mode = ME4000_CNT_CTRL_BIT_MODE_3; + break; + case ME4000_CNT_MODE_4: + mode = ME4000_CNT_CTRL_BIT_MODE_4; + break; + case ME4000_CNT_MODE_5: + mode = ME4000_CNT_CTRL_BIT_MODE_5; + break; + default: + printk(KERN_ERR + "ME4000:me4000_cnt_config():Mode %d is not available\n", + cmd.mode); + return -EINVAL; + } + + /* Write the control word */ + me4000_outb((counter | mode | 0x30), cnt_context->ctrl_reg); + + return 0; +} + +static int me4000_cnt_read(me4000_cnt_t * arg, + me4000_cnt_context_t * cnt_context) +{ + me4000_cnt_t cmd; + u8 tmp; + int err; + + CALL_PDEBUG("me4000_cnt_read() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_cnt_read():Can't copy from user space\n"); + return -EFAULT; + } + + /* Read counter */ + switch (cmd.counter) { + case ME4000_CNT_COUNTER_0: + tmp = me4000_inb(cnt_context->counter_0_reg); + cmd.value = tmp; + tmp = me4000_inb(cnt_context->counter_0_reg); + cmd.value |= ((u16) tmp) << 8; + break; + case ME4000_CNT_COUNTER_1: + tmp = me4000_inb(cnt_context->counter_1_reg); + cmd.value = tmp; + tmp = me4000_inb(cnt_context->counter_1_reg); + cmd.value |= ((u16) tmp) << 8; + break; + case ME4000_CNT_COUNTER_2: + tmp = me4000_inb(cnt_context->counter_2_reg); + cmd.value = tmp; + tmp = me4000_inb(cnt_context->counter_2_reg); + cmd.value |= ((u16) tmp) << 8; + break; + default: + printk(KERN_ERR + "ME4000:me4000_cnt_read():Counter %d is not available\n", + cmd.counter); + return -EINVAL; + } + + /* Copy result back to user */ + err = copy_to_user(arg, &cmd, sizeof(me4000_cnt_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_cnt_read():Can't copy to user space\n"); + return -EFAULT; + } + + return 0; +} + +static int me4000_cnt_write(me4000_cnt_t * arg, + me4000_cnt_context_t * cnt_context) +{ + me4000_cnt_t cmd; + u8 tmp; + int err; + + CALL_PDEBUG("me4000_cnt_write() is executed\n"); + + /* Copy data from user */ + err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t)); + if (err) { + printk(KERN_ERR + "ME4000:me4000_cnt_write():Can't copy from user space\n"); + return -EFAULT; + } + + /* Write counter */ + switch (cmd.counter) { + case ME4000_CNT_COUNTER_0: + tmp = cmd.value & 0xFF; + me4000_outb(tmp, cnt_context->counter_0_reg); + tmp = (cmd.value >> 8) & 0xFF; + me4000_outb(tmp, cnt_context->counter_0_reg); + break; + case ME4000_CNT_COUNTER_1: + tmp = cmd.value & 0xFF; + me4000_outb(tmp, cnt_context->counter_1_reg); + tmp = (cmd.value >> 8) & 0xFF; + me4000_outb(tmp, cnt_context->counter_1_reg); + break; + case ME4000_CNT_COUNTER_2: + tmp = cmd.value & 0xFF; + me4000_outb(tmp, cnt_context->counter_2_reg); + tmp = (cmd.value >> 8) & 0xFF; + me4000_outb(tmp, cnt_context->counter_2_reg); + break; + default: + printk(KERN_ERR + "ME4000:me4000_cnt_write():Counter %d is not available\n", + cmd.counter); + return -EINVAL; + } + + return 0; +} + +static int me4000_cnt_reset(me4000_cnt_context_t * cnt_context) +{ + CALL_PDEBUG("me4000_cnt_reset() is executed\n"); + + /* Set the mode and value for counter 0 */ + me4000_outb(0x30, cnt_context->ctrl_reg); + me4000_outb(0x00, cnt_context->counter_0_reg); + me4000_outb(0x00, cnt_context->counter_0_reg); + + /* Set the mode and value for counter 1 */ + me4000_outb(0x70, cnt_context->ctrl_reg); + me4000_outb(0x00, cnt_context->counter_1_reg); + me4000_outb(0x00, cnt_context->counter_1_reg); + + /* Set the mode and value for counter 2 */ + me4000_outb(0xB0, cnt_context->ctrl_reg); + me4000_outb(0x00, cnt_context->counter_2_reg); + me4000_outb(0x00, cnt_context->counter_2_reg); + + return 0; +} + +/*------------------------------------ External Interrupt stuff ------------------------------------*/ + +static int me4000_ext_int_ioctl(struct inode *inode_p, struct file *file_p, + unsigned int service, unsigned long arg) +{ + me4000_ext_int_context_t *ext_int_context; + + CALL_PDEBUG("me4000_ext_int_ioctl() is executed\n"); + + ext_int_context = file_p->private_data; + + if (_IOC_TYPE(service) != ME4000_MAGIC) { + printk(KERN_ERR "me4000_ext_int_ioctl():Wrong magic number\n"); + return -ENOTTY; + } + if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) { + printk(KERN_ERR + "me4000_ext_int_ioctl():Service number to high\n"); + return -ENOTTY; + } + + switch (service) { + case ME4000_EXT_INT_ENABLE: + return me4000_ext_int_enable(ext_int_context); + case ME4000_EXT_INT_DISABLE: + return me4000_ext_int_disable(ext_int_context); + case ME4000_EXT_INT_COUNT: + return me4000_ext_int_count((unsigned long *)arg, + ext_int_context); + default: + printk(KERN_ERR + "ME4000:me4000_ext_int_ioctl():Invalid service number %d\n", + service); + return -ENOTTY; + } + return 0; +} + +static int me4000_ext_int_enable(me4000_ext_int_context_t * ext_int_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ext_int_enable() is executed\n"); + + tmp = me4000_inl(ext_int_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_EX_IRQ; + me4000_outl(tmp, ext_int_context->ctrl_reg); + + return 0; +} + +static int me4000_ext_int_disable(me4000_ext_int_context_t * ext_int_context) +{ + unsigned long tmp; + + CALL_PDEBUG("me4000_ext_int_disable() is executed\n"); + + tmp = me4000_inl(ext_int_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_EX_IRQ; + me4000_outl(tmp, ext_int_context->ctrl_reg); + + return 0; +} + +static int me4000_ext_int_count(unsigned long *arg, + me4000_ext_int_context_t * ext_int_context) +{ + + CALL_PDEBUG("me4000_ext_int_count() is executed\n"); + + put_user(ext_int_context->int_count, arg); + return 0; +} + +/*------------------------------------ General stuff ------------------------------------*/ + +static int me4000_get_user_info(me4000_user_info_t * arg, + me4000_info_t * board_info) +{ + me4000_user_info_t user_info; + + CALL_PDEBUG("me4000_get_user_info() is executed\n"); + + user_info.board_count = board_info->board_count; + user_info.plx_regbase = board_info->plx_regbase; + user_info.plx_regbase_size = board_info->plx_regbase_size; + user_info.me4000_regbase = board_info->me4000_regbase; + user_info.me4000_regbase_size = board_info->me4000_regbase_size; + user_info.serial_no = board_info->serial_no; + user_info.hw_revision = board_info->hw_revision; + user_info.vendor_id = board_info->vendor_id; + user_info.device_id = board_info->device_id; + user_info.pci_bus_no = board_info->pci_bus_no; + user_info.pci_dev_no = board_info->pci_dev_no; + user_info.pci_func_no = board_info->pci_func_no; + user_info.irq = board_info->irq; + user_info.irq_count = board_info->irq_count; + user_info.driver_version = ME4000_DRIVER_VERSION; + user_info.ao_count = board_info->board_p->ao.count; + user_info.ao_fifo_count = board_info->board_p->ao.fifo_count; + + user_info.ai_count = board_info->board_p->ai.count; + user_info.ai_sh_count = board_info->board_p->ai.sh_count; + user_info.ai_ex_trig_analog = board_info->board_p->ai.ex_trig_analog; + + user_info.dio_count = board_info->board_p->dio.count; + + user_info.cnt_count = board_info->board_p->cnt.count; + + if (copy_to_user(arg, &user_info, sizeof(me4000_user_info_t))) + return -EFAULT; + + return 0; +} + +/*------------------------------------ ISR STUFF ------------------------------------*/ + +static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode) +{ + int result = 0; + me4000_ext_int_context_t *ext_int_context; + + CALL_PDEBUG("me4000_ext_int_fasync() is executed\n"); + + ext_int_context = file_ptr->private_data; + + result = + fasync_helper(fd, file_ptr, mode, &ext_int_context->fasync_ptr); + + CALL_PDEBUG("me4000_ext_int_fasync() is leaved\n"); + return result; +} + +static irqreturn_t me4000_ao_isr(int irq, void *dev_id) +{ + u32 tmp; + u32 value; + me4000_ao_context_t *ao_context; + int i; + int c = 0; + int c1 = 0; + //unsigned long before; + //unsigned long after; + + ISR_PDEBUG("me4000_ao_isr() is executed\n"); + + ao_context = dev_id; + + /* Check if irq number is right */ + if (irq != ao_context->irq) { + ISR_PDEBUG("me4000_ao_isr():incorrect interrupt num: %d\n", + irq); + return IRQ_NONE; + } + + /* Check if this DAC rised an interrupt */ + if (! + ((0x1 << (ao_context->index + 3)) & + me4000_inl(ao_context->irq_status_reg))) { + ISR_PDEBUG("me4000_ao_isr():Not this DAC\n"); + return IRQ_NONE; + } + + /* Read status register to find out what happened */ + tmp = me4000_inl(ao_context->status_reg); + + if (!(tmp & ME4000_AO_STATUS_BIT_EF) && (tmp & ME4000_AO_STATUS_BIT_HF) + && (tmp & ME4000_AO_STATUS_BIT_HF)) { + c = ME4000_AO_FIFO_COUNT; + ISR_PDEBUG("me4000_ao_isr():Fifo empty\n"); + } else if ((tmp & ME4000_AO_STATUS_BIT_EF) + && (tmp & ME4000_AO_STATUS_BIT_HF) + && (tmp & ME4000_AO_STATUS_BIT_HF)) { + c = ME4000_AO_FIFO_COUNT / 2; + ISR_PDEBUG("me4000_ao_isr():Fifo under half full\n"); + } else { + c = 0; + ISR_PDEBUG("me4000_ao_isr():Fifo full\n"); + } + + ISR_PDEBUG("me4000_ao_isr():Try to write 0x%04X values\n", c); + + while (1) { + c1 = me4000_values_to_end(ao_context->circ_buf, + ME4000_AO_BUFFER_COUNT); + ISR_PDEBUG("me4000_ao_isr():Values to end = %d\n", c1); + if (c1 > c) + c1 = c; + + if (c1 <= 0) { + ISR_PDEBUG + ("me4000_ao_isr():Work done or buffer empty\n"); + break; + } + //rdtscl(before); + if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG) || + ((ao_context->fifo_reg & 0xFF) == ME4000_AO_03_FIFO_REG)) { + for (i = 0; i < c1; i++) { + value = + ((u32) + (* + (ao_context->circ_buf.buf + + ao_context->circ_buf.tail + i))) << 16; + outl(value, ao_context->fifo_reg); + } + } else + outsw(ao_context->fifo_reg, + ao_context->circ_buf.buf + + ao_context->circ_buf.tail, c1); + + //rdtscl(after); + //printk(KERN_ERR"ME4000:me4000_ao_isr():Time lapse = %lu\n", after - before); + + ao_context->circ_buf.tail = + (ao_context->circ_buf.tail + c1) & (ME4000_AO_BUFFER_COUNT - + 1); + ISR_PDEBUG("me4000_ao_isr():%d values wrote to port 0x%04X\n", + c1, ao_context->fifo_reg); + c -= c1; + } + + /* If there are no values left in the buffer, disable interrupts */ + spin_lock(&ao_context->int_lock); + if (!me4000_buf_count(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) { + ISR_PDEBUG + ("me4000_ao_isr():Disable Interrupt because no values left in buffer\n"); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_IRQ; + me4000_outl(tmp, ao_context->ctrl_reg); + } + spin_unlock(&ao_context->int_lock); + + /* Reset the interrupt */ + spin_lock(&ao_context->int_lock); + tmp = me4000_inl(ao_context->ctrl_reg); + tmp |= ME4000_AO_CTRL_BIT_RESET_IRQ; + me4000_outl(tmp, ao_context->ctrl_reg); + tmp &= ~ME4000_AO_CTRL_BIT_RESET_IRQ; + me4000_outl(tmp, ao_context->ctrl_reg); + + /* If state machine is stopped, flow was interrupted */ + if (!(me4000_inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM)) { + printk(KERN_ERR "ME4000:me4000_ao_isr():Broken pipe\n"); + ao_context->pipe_flag = 1; // Set flag in order to inform write routine + tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_IRQ; // Disable interrupt + } + me4000_outl(tmp, ao_context->ctrl_reg); + spin_unlock(&ao_context->int_lock); + + /* Wake up waiting process */ + wake_up_interruptible(&(ao_context->wait_queue)); + + /* Count the interrupt */ + ao_context->board_info->irq_count++; + + return IRQ_HANDLED; +} + +static irqreturn_t me4000_ai_isr(int irq, void *dev_id) +{ + u32 tmp; + me4000_ai_context_t *ai_context; + int i; + int c = 0; + int c1 = 0; +#ifdef ME4000_ISR_DEBUG + unsigned long before; + unsigned long after; +#endif + + ISR_PDEBUG("me4000_ai_isr() is executed\n"); + +#ifdef ME4000_ISR_DEBUG + rdtscl(before); +#endif + + ai_context = dev_id; + + /* Check if irq number is right */ + if (irq != ai_context->irq) { + ISR_PDEBUG("me4000_ai_isr():incorrect interrupt num: %d\n", + irq); + return IRQ_NONE; + } + + if (me4000_inl(ai_context->irq_status_reg) & + ME4000_IRQ_STATUS_BIT_AI_HF) { + ISR_PDEBUG + ("me4000_ai_isr():Fifo half full interrupt occured\n"); + + /* Read status register to find out what happened */ + tmp = me4000_inl(ai_context->ctrl_reg); + + if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) && + !(tmp & ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG("me4000_ai_isr():Fifo full\n"); + c = ME4000_AI_FIFO_COUNT; + + /* FIFO overflow, so stop conversion and disable all interrupts */ + spin_lock(&ai_context->int_lock); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP; + tmp &= + ~(ME4000_AI_CTRL_BIT_HF_IRQ | + ME4000_AI_CTRL_BIT_SC_IRQ); + outl(tmp, ai_context->ctrl_reg); + spin_unlock(&ai_context->int_lock); + } else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA) && + !(tmp & ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG("me4000_ai_isr():Fifo half full\n"); + c = ME4000_AI_FIFO_COUNT / 2; + } else { + c = 0; + ISR_PDEBUG + ("me4000_ai_isr():Can't determine state of fifo\n"); + } + + ISR_PDEBUG("me4000_ai_isr():Try to read %d values\n", c); + + while (1) { + c1 = me4000_space_to_end(ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT); + ISR_PDEBUG("me4000_ai_isr():Space to end = %d\n", c1); + if (c1 > c) + c1 = c; + + if (c1 <= 0) { + ISR_PDEBUG + ("me4000_ai_isr():Work done or buffer full\n"); + break; + } + + insw(ai_context->data_reg, + ai_context->circ_buf.buf + + ai_context->circ_buf.head, c1); + ai_context->circ_buf.head = + (ai_context->circ_buf.head + + c1) & (ME4000_AI_BUFFER_COUNT - 1); + c -= c1; + } + + /* Work is done, so reset the interrupt */ + ISR_PDEBUG + ("me4000_ai_isr():reset interrupt fifo half full interrupt\n"); + spin_lock(&ai_context->int_lock); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_HF_IRQ_RESET; + me4000_outl(tmp, ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_HF_IRQ_RESET; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock(&ai_context->int_lock); + } + + if (me4000_inl(ai_context->irq_status_reg) & ME4000_IRQ_STATUS_BIT_SC) { + ISR_PDEBUG + ("me4000_ai_isr():Sample counter interrupt occured\n"); + + if (!ai_context->sample_counter_reload) { + ISR_PDEBUG + ("me4000_ai_isr():Single data block available\n"); + + /* Poll data until fifo empty */ + for (i = 0; + (i < ME4000_AI_FIFO_COUNT / 2) + && (inl(ai_context->ctrl_reg) & + ME4000_AI_STATUS_BIT_EF_DATA); i++) { + if (me4000_space_to_end + (ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT)) { + *(ai_context->circ_buf.buf + + ai_context->circ_buf.head) = + inw(ai_context->data_reg); + ai_context->circ_buf.head = + (ai_context->circ_buf.head + + 1) & (ME4000_AI_BUFFER_COUNT - 1); + } else + break; + } + ISR_PDEBUG("me4000_ai_isr():%d values read\n", i); + } else { + if (ai_context->sample_counter <= + ME4000_AI_FIFO_COUNT / 2) { + ISR_PDEBUG + ("me4000_ai_isr():Interrupt from adjustable half full threshold\n"); + + /* Read status register to find out what happened */ + tmp = me4000_inl(ai_context->ctrl_reg); + + if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) && + !(tmp & ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG + ("me4000_ai_isr():Fifo full\n"); + c = ME4000_AI_FIFO_COUNT; + + /* FIFO overflow, so stop conversion */ + spin_lock(&ai_context->int_lock); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= + ME4000_AI_CTRL_BIT_IMMEDIATE_STOP; + outl(tmp, ai_context->ctrl_reg); + spin_unlock(&ai_context->int_lock); + } else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA) + && !(tmp & + ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & + ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG + ("me4000_ai_isr():Fifo half full\n"); + c = ME4000_AI_FIFO_COUNT / 2; + } else { + c = ai_context->sample_counter; + ISR_PDEBUG + ("me4000_ai_isr():Sample count values\n"); + } + + ISR_PDEBUG + ("me4000_ai_isr():Try to read %d values\n", + c); + + while (1) { + c1 = me4000_space_to_end(ai_context-> + circ_buf, + ME4000_AI_BUFFER_COUNT); + ISR_PDEBUG + ("me4000_ai_isr():Space to end = %d\n", + c1); + if (c1 > c) + c1 = c; + + if (c1 <= 0) { + ISR_PDEBUG + ("me4000_ai_isr():Work done or buffer full\n"); + break; + } + + insw(ai_context->data_reg, + ai_context->circ_buf.buf + + ai_context->circ_buf.head, c1); + ai_context->circ_buf.head = + (ai_context->circ_buf.head + + c1) & (ME4000_AI_BUFFER_COUNT - 1); + c -= c1; + } + } else { + ISR_PDEBUG + ("me4000_ai_isr():Multiple data block available\n"); + + /* Read status register to find out what happened */ + tmp = me4000_inl(ai_context->ctrl_reg); + + if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) && + !(tmp & ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG + ("me4000_ai_isr():Fifo full\n"); + c = ME4000_AI_FIFO_COUNT; + + /* FIFO overflow, so stop conversion */ + spin_lock(&ai_context->int_lock); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= + ME4000_AI_CTRL_BIT_IMMEDIATE_STOP; + outl(tmp, ai_context->ctrl_reg); + spin_unlock(&ai_context->int_lock); + + while (1) { + c1 = me4000_space_to_end + (ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT); + ISR_PDEBUG + ("me4000_ai_isr():Space to end = %d\n", + c1); + if (c1 > c) + c1 = c; + + if (c1 <= 0) { + ISR_PDEBUG + ("me4000_ai_isr():Work done or buffer full\n"); + break; + } + + insw(ai_context->data_reg, + ai_context->circ_buf.buf + + ai_context->circ_buf.head, + c1); + ai_context->circ_buf.head = + (ai_context->circ_buf.head + + c1) & + (ME4000_AI_BUFFER_COUNT - + 1); + c -= c1; + } + } else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA) + && !(tmp & + ME4000_AI_STATUS_BIT_HF_DATA) + && (tmp & + ME4000_AI_STATUS_BIT_EF_DATA)) { + ISR_PDEBUG + ("me4000_ai_isr():Fifo half full\n"); + c = ME4000_AI_FIFO_COUNT / 2; + + while (1) { + c1 = me4000_space_to_end + (ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT); + ISR_PDEBUG + ("me4000_ai_isr():Space to end = %d\n", + c1); + if (c1 > c) + c1 = c; + + if (c1 <= 0) { + ISR_PDEBUG + ("me4000_ai_isr():Work done or buffer full\n"); + break; + } + + insw(ai_context->data_reg, + ai_context->circ_buf.buf + + ai_context->circ_buf.head, + c1); + ai_context->circ_buf.head = + (ai_context->circ_buf.head + + c1) & + (ME4000_AI_BUFFER_COUNT - + 1); + c -= c1; + } + } else { + /* Poll data until fifo empty */ + for (i = 0; + (i < ME4000_AI_FIFO_COUNT / 2) + && (inl(ai_context->ctrl_reg) & + ME4000_AI_STATUS_BIT_EF_DATA); + i++) { + if (me4000_space_to_end + (ai_context->circ_buf, + ME4000_AI_BUFFER_COUNT)) { + *(ai_context->circ_buf. + buf + + ai_context->circ_buf. + head) = + inw(ai_context->data_reg); + ai_context->circ_buf. + head = + (ai_context-> + circ_buf.head + + 1) & + (ME4000_AI_BUFFER_COUNT + - 1); + } else + break; + } + ISR_PDEBUG + ("me4000_ai_isr():%d values read\n", + i); + } + } + } + + /* Work is done, so reset the interrupt */ + ISR_PDEBUG + ("me4000_ai_isr():reset interrupt from sample counter\n"); + spin_lock(&ai_context->int_lock); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_SC_IRQ_RESET; + me4000_outl(tmp, ai_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_SC_IRQ_RESET; + me4000_outl(tmp, ai_context->ctrl_reg); + spin_unlock(&ai_context->int_lock); + } + + /* Values are now available, so wake up waiting process */ + if (me4000_buf_count(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) { + ISR_PDEBUG("me4000_ai_isr():Wake up waiting process\n"); + wake_up_interruptible(&(ai_context->wait_queue)); + } + + /* If there is no space left in the buffer, disable interrupts */ + spin_lock(&ai_context->int_lock); + if (!me4000_buf_space(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) { + ISR_PDEBUG + ("me4000_ai_isr():Disable Interrupt because no space left in buffer\n"); + tmp = me4000_inl(ai_context->ctrl_reg); + tmp &= + ~(ME4000_AI_CTRL_BIT_SC_IRQ | ME4000_AI_CTRL_BIT_HF_IRQ | + ME4000_AI_CTRL_BIT_LE_IRQ); + me4000_outl(tmp, ai_context->ctrl_reg); + } + spin_unlock(&ai_context->int_lock); + +#ifdef ME4000_ISR_DEBUG + rdtscl(after); + printk(KERN_ERR "ME4000:me4000_ai_isr():Time lapse = %lu\n", + after - before); +#endif + + return IRQ_HANDLED; +} + +static irqreturn_t me4000_ext_int_isr(int irq, void *dev_id) +{ + me4000_ext_int_context_t *ext_int_context; + unsigned long tmp; + + ISR_PDEBUG("me4000_ext_int_isr() is executed\n"); + + ext_int_context = dev_id; + + /* Check if irq number is right */ + if (irq != ext_int_context->irq) { + ISR_PDEBUG("me4000_ext_int_isr():incorrect interrupt num: %d\n", + irq); + return IRQ_NONE; + } + + if (me4000_inl(ext_int_context->irq_status_reg) & + ME4000_IRQ_STATUS_BIT_EX) { + ISR_PDEBUG("me4000_ext_int_isr():External interrupt occured\n"); + tmp = me4000_inl(ext_int_context->ctrl_reg); + tmp |= ME4000_AI_CTRL_BIT_EX_IRQ_RESET; + me4000_outl(tmp, ext_int_context->ctrl_reg); + tmp &= ~ME4000_AI_CTRL_BIT_EX_IRQ_RESET; + me4000_outl(tmp, ext_int_context->ctrl_reg); + + ext_int_context->int_count++; + + if (ext_int_context->fasync_ptr) { + ISR_PDEBUG + ("me2600_ext_int_isr():Send signal to process\n"); + kill_fasync(&ext_int_context->fasync_ptr, SIGIO, + POLL_IN); + } + } + + return IRQ_HANDLED; +} + +void __exit me4000_module_exit(void) +{ + struct list_head *board_p; + me4000_info_t *board_info; + + CALL_PDEBUG("cleanup_module() is executed\n"); + + unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME); + + unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME); + + unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME); + + unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME); + + unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME); + + remove_proc_entry("me4000", NULL); + + pci_unregister_driver(&me4000_driver); + + /* Reset the boards */ + for (board_p = me4000_board_info_list.next; + board_p != &me4000_board_info_list; board_p = board_p->next) { + board_info = list_entry(board_p, me4000_info_t, list); + me4000_reset_board(board_info); + } + + clear_board_info_list(); +} + +module_exit(me4000_module_exit); + +static int me4000_read_procmem(char *buf, char **start, off_t offset, int count, + int *eof, void *data) +{ + int len = 0; + int limit = count - 1000; + me4000_info_t *board_info; + struct list_head *ptr; + + len += sprintf(buf + len, "\nME4000 DRIVER VERSION %X.%X.%X\n\n", + (ME4000_DRIVER_VERSION & 0xFF0000) >> 16, + (ME4000_DRIVER_VERSION & 0xFF00) >> 8, + (ME4000_DRIVER_VERSION & 0xFF)); + + /* Search for the board context */ + for (ptr = me4000_board_info_list.next; + (ptr != &me4000_board_info_list) && (len < limit); + ptr = ptr->next) { + board_info = list_entry(ptr, me4000_info_t, list); + + len += + sprintf(buf + len, "Board number %d:\n", + board_info->board_count); + len += sprintf(buf + len, "---------------\n"); + len += + sprintf(buf + len, "PLX base register = 0x%lX\n", + board_info->plx_regbase); + len += + sprintf(buf + len, "PLX base register size = 0x%lX\n", + board_info->plx_regbase_size); + len += + sprintf(buf + len, "ME4000 base register = 0x%lX\n", + board_info->me4000_regbase); + len += + sprintf(buf + len, "ME4000 base register size = 0x%lX\n", + board_info->me4000_regbase_size); + len += + sprintf(buf + len, "Serial number = 0x%X\n", + board_info->serial_no); + len += + sprintf(buf + len, "Hardware revision = 0x%X\n", + board_info->hw_revision); + len += + sprintf(buf + len, "Vendor id = 0x%X\n", + board_info->vendor_id); + len += + sprintf(buf + len, "Device id = 0x%X\n", + board_info->device_id); + len += + sprintf(buf + len, "PCI bus number = %d\n", + board_info->pci_bus_no); + len += + sprintf(buf + len, "PCI device number = %d\n", + board_info->pci_dev_no); + len += + sprintf(buf + len, "PCI function number = %d\n", + board_info->pci_func_no); + len += sprintf(buf + len, "IRQ = %u\n", board_info->irq); + len += + sprintf(buf + len, + "Count of interrupts since module was loaded = %d\n", + board_info->irq_count); + + len += + sprintf(buf + len, "Count of analog outputs = %d\n", + board_info->board_p->ao.count); + len += + sprintf(buf + len, "Count of analog output fifos = %d\n", + board_info->board_p->ao.fifo_count); + + len += + sprintf(buf + len, "Count of analog inputs = %d\n", + board_info->board_p->ai.count); + len += + sprintf(buf + len, + "Count of sample and hold devices for analog input = %d\n", + board_info->board_p->ai.sh_count); + len += + sprintf(buf + len, + "Analog external trigger available for analog input = %d\n", + board_info->board_p->ai.ex_trig_analog); + + len += + sprintf(buf + len, "Count of digital ports = %d\n", + board_info->board_p->dio.count); + + len += + sprintf(buf + len, "Count of counter devices = %d\n", + board_info->board_p->cnt.count); + len += + sprintf(buf + len, "AI control register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AI_CTRL_REG)); + + len += sprintf(buf + len, "AO 0 control register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_00_CTRL_REG)); + len += + sprintf(buf + len, "AO 0 status register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_00_STATUS_REG)); + len += + sprintf(buf + len, "AO 1 control register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_01_CTRL_REG)); + len += + sprintf(buf + len, "AO 1 status register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_01_STATUS_REG)); + len += + sprintf(buf + len, "AO 2 control register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_02_CTRL_REG)); + len += + sprintf(buf + len, "AO 2 status register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_02_STATUS_REG)); + len += + sprintf(buf + len, "AO 3 control register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_03_CTRL_REG)); + len += + sprintf(buf + len, "AO 3 status register = 0x%08X\n", + inl(board_info->me4000_regbase + + ME4000_AO_03_STATUS_REG)); + } + + *eof = 1; + return len; +} diff --git a/drivers/staging/me4000/me4000.h b/drivers/staging/me4000/me4000.h new file mode 100644 index 000000000000..c35e4b9793a0 --- /dev/null +++ b/drivers/staging/me4000/me4000.h @@ -0,0 +1,954 @@ +/* + * Copyright (C) 2003 Meilhaus Electronic GmbH (support@meilhaus.de) + * + * Source File : me4000.h + * Author : GG (Guenter Gebhardt) + */ + +#ifndef _ME4000_H_ +#define _ME4000_H_ + +#ifdef __KERNEL__ + +/*============================================================================= + The version of the driver release + ===========================================================================*/ + +#define ME4000_DRIVER_VERSION 0x10009 // Version 1.00.09 + +/*============================================================================= + Debug section + ===========================================================================*/ + +#undef ME4000_CALL_DEBUG // Debug function entry and exit +#undef ME4000_ISR_DEBUG // Debug the interrupt service routine +#undef ME4000_PORT_DEBUG // Debug port access +#undef ME4000_DEBUG // General purpose debug masseges + +#ifdef ME4000_CALL_DEBUG +#undef CALL_PDEBUG +#define CALL_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args) +#else +# define CALL_PDEBUG(fmt, args...) // no debugging, do nothing +#endif + +#ifdef ME4000_ISR_DEBUG +#undef ISR_PDEBUG +#define ISR_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args) +#else +#define ISR_PDEBUG(fmt, args...) // no debugging, do nothing +#endif + +#ifdef ME4000_PORT_DEBUG +#undef PORT_PDEBUG +#define PORT_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args) +#else +#define PORT_PDEBUG(fmt, args...) // no debugging, do nothing +#endif + +#ifdef ME4000_DEBUG +#undef PDEBUG +#define PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args) +#else +#define PDEBUG(fmt, args...) // no debugging, do nothing +#endif + +/*============================================================================= + PCI vendor and device IDs + ===========================================================================*/ + +#define PCI_VENDOR_ID_MEILHAUS 0x1402 + +#define PCI_DEVICE_ID_MEILHAUS_ME4650 0x4650 // Low Cost version + +#define PCI_DEVICE_ID_MEILHAUS_ME4660 0x4660 // Standard version +#define PCI_DEVICE_ID_MEILHAUS_ME4660I 0x4661 // Isolated version +#define PCI_DEVICE_ID_MEILHAUS_ME4660S 0x4662 // Standard version with Sample and Hold +#define PCI_DEVICE_ID_MEILHAUS_ME4660IS 0x4663 // Isolated version with Sample and Hold + +#define PCI_DEVICE_ID_MEILHAUS_ME4670 0x4670 // Standard version +#define PCI_DEVICE_ID_MEILHAUS_ME4670I 0x4671 // Isolated version +#define PCI_DEVICE_ID_MEILHAUS_ME4670S 0x4672 // Standard version with Sample and Hold +#define PCI_DEVICE_ID_MEILHAUS_ME4670IS 0x4673 // Isolated version with Sample and Hold + +#define PCI_DEVICE_ID_MEILHAUS_ME4680 0x4680 // Standard version +#define PCI_DEVICE_ID_MEILHAUS_ME4680I 0x4681 // Isolated version +#define PCI_DEVICE_ID_MEILHAUS_ME4680S 0x4682 // Standard version with Sample and Hold +#define PCI_DEVICE_ID_MEILHAUS_ME4680IS 0x4683 // Isolated version with Sample and Hold + +/*============================================================================= + Device names, for entries in /proc/.. + ===========================================================================*/ + +#define ME4000_NAME "me4000" +#define ME4000_AO_NAME "me4000_ao" +#define ME4000_AI_NAME "me4000_ai" +#define ME4000_DIO_NAME "me4000_dio" +#define ME4000_CNT_NAME "me4000_cnt" +#define ME4000_EXT_INT_NAME "me4000_ext_int" + +/*============================================================================= + ME-4000 base register offsets + ===========================================================================*/ + +#define ME4000_AO_00_CTRL_REG 0x00 // R/W +#define ME4000_AO_00_STATUS_REG 0x04 // R/_ +#define ME4000_AO_00_FIFO_REG 0x08 // _/W +#define ME4000_AO_00_SINGLE_REG 0x0C // R/W +#define ME4000_AO_00_TIMER_REG 0x10 // _/W + +#define ME4000_AO_01_CTRL_REG 0x18 // R/W +#define ME4000_AO_01_STATUS_REG 0x1C // R/_ +#define ME4000_AO_01_FIFO_REG 0x20 // _/W +#define ME4000_AO_01_SINGLE_REG 0x24 // R/W +#define ME4000_AO_01_TIMER_REG 0x28 // _/W + +#define ME4000_AO_02_CTRL_REG 0x30 // R/W +#define ME4000_AO_02_STATUS_REG 0x34 // R/_ +#define ME4000_AO_02_FIFO_REG 0x38 // _/W +#define ME4000_AO_02_SINGLE_REG 0x3C // R/W +#define ME4000_AO_02_TIMER_REG 0x40 // _/W + +#define ME4000_AO_03_CTRL_REG 0x48 // R/W +#define ME4000_AO_03_STATUS_REG 0x4C // R/_ +#define ME4000_AO_03_FIFO_REG 0x50 // _/W +#define ME4000_AO_03_SINGLE_REG 0x54 // R/W +#define ME4000_AO_03_TIMER_REG 0x58 // _/W + +#define ME4000_AI_CTRL_REG 0x74 // _/W +#define ME4000_AI_STATUS_REG 0x74 // R/_ +#define ME4000_AI_CHANNEL_LIST_REG 0x78 // _/W +#define ME4000_AI_DATA_REG 0x7C // R/_ +#define ME4000_AI_CHAN_TIMER_REG 0x80 // _/W +#define ME4000_AI_CHAN_PRE_TIMER_REG 0x84 // _/W +#define ME4000_AI_SCAN_TIMER_LOW_REG 0x88 // _/W +#define ME4000_AI_SCAN_TIMER_HIGH_REG 0x8C // _/W +#define ME4000_AI_SCAN_PRE_TIMER_LOW_REG 0x90 // _/W +#define ME4000_AI_SCAN_PRE_TIMER_HIGH_REG 0x94 // _/W +#define ME4000_AI_START_REG 0x98 // R/_ + +#define ME4000_IRQ_STATUS_REG 0x9C // R/_ + +#define ME4000_DIO_PORT_0_REG 0xA0 // R/W +#define ME4000_DIO_PORT_1_REG 0xA4 // R/W +#define ME4000_DIO_PORT_2_REG 0xA8 // R/W +#define ME4000_DIO_PORT_3_REG 0xAC // R/W +#define ME4000_DIO_DIR_REG 0xB0 // R/W + +#define ME4000_AO_LOADSETREG_XX 0xB4 // R/W + +#define ME4000_DIO_CTRL_REG 0xB8 // R/W + +#define ME4000_AO_DEMUX_ADJUST_REG 0xBC // -/W + +#define ME4000_AI_SAMPLE_COUNTER_REG 0xC0 // _/W + +/*============================================================================= + Value to adjust Demux + ===========================================================================*/ + +#define ME4000_AO_DEMUX_ADJUST_VALUE 0x4C + +/*============================================================================= + Counter base register offsets + ===========================================================================*/ + +#define ME4000_CNT_COUNTER_0_REG 0x00 +#define ME4000_CNT_COUNTER_1_REG 0x01 +#define ME4000_CNT_COUNTER_2_REG 0x02 +#define ME4000_CNT_CTRL_REG 0x03 + +/*============================================================================= + PLX base register offsets + ===========================================================================*/ + +#define PLX_INTCSR 0x4C // Interrupt control and status register +#define PLX_ICR 0x50 // Initialization control register + +/*============================================================================= + Bits for the PLX_ICSR register + ===========================================================================*/ + +#define PLX_INTCSR_LOCAL_INT1_EN 0x01 // If set, local interrupt 1 is enabled (r/w) +#define PLX_INTCSR_LOCAL_INT1_POL 0x02 // If set, local interrupt 1 polarity is active high (r/w) +#define PLX_INTCSR_LOCAL_INT1_STATE 0x04 // If set, local interrupt 1 is active (r/_) +#define PLX_INTCSR_LOCAL_INT2_EN 0x08 // If set, local interrupt 2 is enabled (r/w) +#define PLX_INTCSR_LOCAL_INT2_POL 0x10 // If set, local interrupt 2 polarity is active high (r/w) +#define PLX_INTCSR_LOCAL_INT2_STATE 0x20 // If set, local interrupt 2 is active (r/_) +#define PLX_INTCSR_PCI_INT_EN 0x40 // If set, PCI interrupt is enabled (r/w) +#define PLX_INTCSR_SOFT_INT 0x80 // If set, a software interrupt is generated (r/w) + +/*============================================================================= + Bits for the PLX_ICR register + ===========================================================================*/ + +#define PLX_ICR_BIT_EEPROM_CLOCK_SET 0x01000000 +#define PLX_ICR_BIT_EEPROM_CHIP_SELECT 0x02000000 +#define PLX_ICR_BIT_EEPROM_WRITE 0x04000000 +#define PLX_ICR_BIT_EEPROM_READ 0x08000000 +#define PLX_ICR_BIT_EEPROM_VALID 0x10000000 + +#define PLX_ICR_MASK_EEPROM 0x1F000000 + +#define EEPROM_DELAY 1 + +/*============================================================================= + Bits for the ME4000_AO_CTRL_REG register + ===========================================================================*/ + +#define ME4000_AO_CTRL_BIT_MODE_0 0x001 +#define ME4000_AO_CTRL_BIT_MODE_1 0x002 +#define ME4000_AO_CTRL_MASK_MODE 0x003 +#define ME4000_AO_CTRL_BIT_STOP 0x004 +#define ME4000_AO_CTRL_BIT_ENABLE_FIFO 0x008 +#define ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG 0x010 +#define ME4000_AO_CTRL_BIT_EX_TRIG_EDGE 0x020 +#define ME4000_AO_CTRL_BIT_IMMEDIATE_STOP 0x080 +#define ME4000_AO_CTRL_BIT_ENABLE_DO 0x100 +#define ME4000_AO_CTRL_BIT_ENABLE_IRQ 0x200 +#define ME4000_AO_CTRL_BIT_RESET_IRQ 0x400 +#define ME4000_AO_CTRL_BIT_EX_TRIG_BOTH 0x800 + +/*============================================================================= + Bits for the ME4000_AO_STATUS_REG register + ===========================================================================*/ + +#define ME4000_AO_STATUS_BIT_FSM 0x01 +#define ME4000_AO_STATUS_BIT_FF 0x02 +#define ME4000_AO_STATUS_BIT_HF 0x04 +#define ME4000_AO_STATUS_BIT_EF 0x08 + +/*============================================================================= + Bits for the ME4000_AI_CTRL_REG register + ===========================================================================*/ + +#define ME4000_AI_CTRL_BIT_MODE_0 0x00000001 +#define ME4000_AI_CTRL_BIT_MODE_1 0x00000002 +#define ME4000_AI_CTRL_BIT_MODE_2 0x00000004 +#define ME4000_AI_CTRL_BIT_SAMPLE_HOLD 0x00000008 +#define ME4000_AI_CTRL_BIT_IMMEDIATE_STOP 0x00000010 +#define ME4000_AI_CTRL_BIT_STOP 0x00000020 +#define ME4000_AI_CTRL_BIT_CHANNEL_FIFO 0x00000040 +#define ME4000_AI_CTRL_BIT_DATA_FIFO 0x00000080 +#define ME4000_AI_CTRL_BIT_FULLSCALE 0x00000100 +#define ME4000_AI_CTRL_BIT_OFFSET 0x00000200 +#define ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG 0x00000400 +#define ME4000_AI_CTRL_BIT_EX_TRIG 0x00000800 +#define ME4000_AI_CTRL_BIT_EX_TRIG_FALLING 0x00001000 +#define ME4000_AI_CTRL_BIT_EX_IRQ 0x00002000 +#define ME4000_AI_CTRL_BIT_EX_IRQ_RESET 0x00004000 +#define ME4000_AI_CTRL_BIT_LE_IRQ 0x00008000 +#define ME4000_AI_CTRL_BIT_LE_IRQ_RESET 0x00010000 +#define ME4000_AI_CTRL_BIT_HF_IRQ 0x00020000 +#define ME4000_AI_CTRL_BIT_HF_IRQ_RESET 0x00040000 +#define ME4000_AI_CTRL_BIT_SC_IRQ 0x00080000 +#define ME4000_AI_CTRL_BIT_SC_IRQ_RESET 0x00100000 +#define ME4000_AI_CTRL_BIT_SC_RELOAD 0x00200000 +#define ME4000_AI_CTRL_BIT_EX_TRIG_BOTH 0x80000000 + +/*============================================================================= + Bits for the ME4000_AI_STATUS_REG register + ===========================================================================*/ + +#define ME4000_AI_STATUS_BIT_EF_CHANNEL 0x00400000 +#define ME4000_AI_STATUS_BIT_HF_CHANNEL 0x00800000 +#define ME4000_AI_STATUS_BIT_FF_CHANNEL 0x01000000 +#define ME4000_AI_STATUS_BIT_EF_DATA 0x02000000 +#define ME4000_AI_STATUS_BIT_HF_DATA 0x04000000 +#define ME4000_AI_STATUS_BIT_FF_DATA 0x08000000 +#define ME4000_AI_STATUS_BIT_LE 0x10000000 +#define ME4000_AI_STATUS_BIT_FSM 0x20000000 + +/*============================================================================= + Bits for the ME4000_IRQ_STATUS_REG register + ===========================================================================*/ + +#define ME4000_IRQ_STATUS_BIT_EX 0x01 +#define ME4000_IRQ_STATUS_BIT_LE 0x02 +#define ME4000_IRQ_STATUS_BIT_AI_HF 0x04 +#define ME4000_IRQ_STATUS_BIT_AO_0_HF 0x08 +#define ME4000_IRQ_STATUS_BIT_AO_1_HF 0x10 +#define ME4000_IRQ_STATUS_BIT_AO_2_HF 0x20 +#define ME4000_IRQ_STATUS_BIT_AO_3_HF 0x40 +#define ME4000_IRQ_STATUS_BIT_SC 0x80 + +/*============================================================================= + Bits for the ME4000_DIO_CTRL_REG register + ===========================================================================*/ + +#define ME4000_DIO_CTRL_BIT_MODE_0 0X0001 +#define ME4000_DIO_CTRL_BIT_MODE_1 0X0002 +#define ME4000_DIO_CTRL_BIT_MODE_2 0X0004 +#define ME4000_DIO_CTRL_BIT_MODE_3 0X0008 +#define ME4000_DIO_CTRL_BIT_MODE_4 0X0010 +#define ME4000_DIO_CTRL_BIT_MODE_5 0X0020 +#define ME4000_DIO_CTRL_BIT_MODE_6 0X0040 +#define ME4000_DIO_CTRL_BIT_MODE_7 0X0080 + +#define ME4000_DIO_CTRL_BIT_FUNCTION_0 0X0100 +#define ME4000_DIO_CTRL_BIT_FUNCTION_1 0X0200 + +#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_0 0X0400 +#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_1 0X0800 +#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_2 0X1000 +#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_3 0X2000 + +/*============================================================================= + Bits for the ME4000_CNT_CTRL_REG register + ===========================================================================*/ + +#define ME4000_CNT_CTRL_BIT_COUNTER_0 0x00 +#define ME4000_CNT_CTRL_BIT_COUNTER_1 0x40 +#define ME4000_CNT_CTRL_BIT_COUNTER_2 0x80 + +#define ME4000_CNT_CTRL_BIT_MODE_0 0x00 // Change state if zero crossing +#define ME4000_CNT_CTRL_BIT_MODE_1 0x02 // Retriggerable One-Shot +#define ME4000_CNT_CTRL_BIT_MODE_2 0x04 // Asymmetrical divider +#define ME4000_CNT_CTRL_BIT_MODE_3 0x06 // Symmetrical divider +#define ME4000_CNT_CTRL_BIT_MODE_4 0x08 // Counter start by software trigger +#define ME4000_CNT_CTRL_BIT_MODE_5 0x0A // Counter start by hardware trigger + +/*============================================================================= + Extract information from minor device number + ===========================================================================*/ + +#define AO_BOARD(dev) ((MINOR(dev) >> 6) & 0x3) +#define AO_PORT(dev) ((MINOR(dev) >> 2) & 0xF) +#define AO_MODE(dev) (MINOR(dev) & 0x3) + +#define AI_BOARD(dev) ((MINOR(dev) >> 3) & 0x1F) +#define AI_MODE(dev) (MINOR(dev) & 0x7) + +#define DIO_BOARD(dev) (MINOR(dev)) + +#define CNT_BOARD(dev) (MINOR(dev)) + +#define EXT_INT_BOARD(dev) (MINOR(dev)) + +/*============================================================================= + Circular buffer used for analog input/output reads/writes. + ===========================================================================*/ + +typedef struct me4000_circ_buf { + s16 *buf; + int volatile head; + int volatile tail; +} me4000_circ_buf_t; + +/*============================================================================= + Information about the hardware capabilities + ===========================================================================*/ + +typedef struct me4000_ao_info { + int count; + int fifo_count; +} me4000_ao_info_t; + +typedef struct me4000_ai_info { + int count; + int sh_count; + int diff_count; + int ex_trig_analog; +} me4000_ai_info_t; + +typedef struct me4000_dio_info { + int count; +} me4000_dio_info_t; + +typedef struct me4000_cnt_info { + int count; +} me4000_cnt_info_t; + +typedef struct me4000_board { + u16 vendor_id; + u16 device_id; + me4000_ao_info_t ao; + me4000_ai_info_t ai; + me4000_dio_info_t dio; + me4000_cnt_info_t cnt; +} me4000_board_t; + +static me4000_board_t me4000_boards[] = { + {PCI_VENDOR_ID_MEILHAUS, 0x4610, {0, 0}, {16, 0, 0, 0}, {4}, {3}}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4650, {0, 0}, {16, 0, 0, 0}, {4}, {0}}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4660, {2, 0}, {16, 0, 0, 0}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4661, {2, 0}, {16, 0, 0, 0}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4662, {2, 0}, {16, 8, 0, 0}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4663, {2, 0}, {16, 8, 0, 0}, {4}, {3}}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4670, {4, 0}, {32, 0, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4671, {4, 0}, {32, 0, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4672, {4, 0}, {32, 8, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4673, {4, 0}, {32, 8, 16, 1}, {4}, {3}}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4680, {4, 4}, {32, 0, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4681, {4, 4}, {32, 0, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4682, {4, 4}, {32, 8, 16, 1}, {4}, {3}}, + {PCI_VENDOR_ID_MEILHAUS, 0x4683, {4, 4}, {32, 8, 16, 1}, {4}, {3}}, + + {0}, +}; + +#define ME4000_BOARD_VERSIONS (sizeof(me4000_boards) / sizeof(me4000_board_t) - 1) + +/*============================================================================= + PCI device table. + This is used by modprobe to translate PCI IDs to drivers. + ===========================================================================*/ + +static struct pci_device_id me4000_pci_table[] __devinitdata = { + {PCI_VENDOR_ID_MEILHAUS, 0x4610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4661, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4662, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4670, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4671, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4672, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4673, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + + {PCI_VENDOR_ID_MEILHAUS, 0x4680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4681, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4682, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MEILHAUS, 0x4683, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + + {0} +}; + +MODULE_DEVICE_TABLE(pci, me4000_pci_table); + +/*============================================================================= + Global board and subdevice information structures + ===========================================================================*/ + +typedef struct me4000_info { + struct list_head list; // List of all detected boards + int board_count; // Index of the board after detection + + unsigned long plx_regbase; // PLX configuration space base address + unsigned long me4000_regbase; // Base address of the ME4000 + unsigned long timer_regbase; // Base address of the timer circuit + unsigned long program_regbase; // Base address to set the program pin for the xilinx + + unsigned long plx_regbase_size; // PLX register set space + unsigned long me4000_regbase_size; // ME4000 register set space + unsigned long timer_regbase_size; // Timer circuit register set space + unsigned long program_regbase_size; // Size of program base address of the ME4000 + + unsigned int serial_no; // Serial number of the board + unsigned char hw_revision; // Hardware revision of the board + unsigned short vendor_id; // Meilhaus vendor id (0x1402) + unsigned short device_id; // Device ID + + int pci_bus_no; // PCI bus number + int pci_dev_no; // PCI device number + int pci_func_no; // PCI function number + struct pci_dev *pci_dev_p; // General PCI information + + me4000_board_t *board_p; // Holds the board capabilities + + unsigned int irq; // IRQ assigned from the PCI BIOS + unsigned int irq_count; // Count of external interrupts + + spinlock_t preload_lock; // Guards the analog output preload register + spinlock_t ai_ctrl_lock; // Guards the analog input control register + + struct list_head ao_context_list; // List with analog output specific context + struct me4000_ai_context *ai_context; // Analog input specific context + struct me4000_dio_context *dio_context; // Digital I/O specific context + struct me4000_cnt_context *cnt_context; // Counter specific context + struct me4000_ext_int_context *ext_int_context; // External interrupt specific context +} me4000_info_t; + +typedef struct me4000_ao_context { + struct list_head list; // linked list of me4000_ao_context_t + int index; // Index in the list + int mode; // Indicates mode (0 = single, 1 = wraparound, 2 = continous) + int dac_in_use; // Indicates if already opend + spinlock_t use_lock; // Guards in_use + spinlock_t int_lock; // Used when locking out interrupts + me4000_circ_buf_t circ_buf; // Circular buffer + wait_queue_head_t wait_queue; // Wait queue to sleep while blocking write + me4000_info_t *board_info; + unsigned int irq; // The irq associated with this ADC + int volatile pipe_flag; // Indicates broken pipe set from me4000_ao_isr() + unsigned long ctrl_reg; + unsigned long status_reg; + unsigned long fifo_reg; + unsigned long single_reg; + unsigned long timer_reg; + unsigned long irq_status_reg; + unsigned long preload_reg; + struct fasync_struct *fasync_p; // Queue for asynchronous notification +} me4000_ao_context_t; + +typedef struct me4000_ai_context { + struct list_head list; // linked list of me4000_ai_info_t + int mode; // Indicates mode + int in_use; // Indicates if already opend + spinlock_t use_lock; // Guards in_use + spinlock_t int_lock; // Used when locking out interrupts + int number; // Number of the DAC + unsigned int irq; // The irq associated with this ADC + me4000_circ_buf_t circ_buf; // Circular buffer + wait_queue_head_t wait_queue; // Wait queue to sleep while blocking read + me4000_info_t *board_info; + + struct fasync_struct *fasync_p; // Queue for asynchronous notification + + unsigned long ctrl_reg; + unsigned long status_reg; + unsigned long channel_list_reg; + unsigned long data_reg; + unsigned long chan_timer_reg; + unsigned long chan_pre_timer_reg; + unsigned long scan_timer_low_reg; + unsigned long scan_timer_high_reg; + unsigned long scan_pre_timer_low_reg; + unsigned long scan_pre_timer_high_reg; + unsigned long start_reg; + unsigned long irq_status_reg; + unsigned long sample_counter_reg; + + unsigned long chan_timer; + unsigned long chan_pre_timer; + unsigned long scan_timer_low; + unsigned long scan_timer_high; + unsigned long channel_list_count; + unsigned long sample_counter; + int sample_counter_reload; +} me4000_ai_context_t; + +typedef struct me4000_dio_context { + struct list_head list; // linked list of me4000_dio_context_t + int in_use; // Indicates if already opend + spinlock_t use_lock; // Guards in_use + int number; + int dio_count; + me4000_info_t *board_info; + unsigned long dir_reg; + unsigned long ctrl_reg; + unsigned long port_0_reg; + unsigned long port_1_reg; + unsigned long port_2_reg; + unsigned long port_3_reg; +} me4000_dio_context_t; + +typedef struct me4000_cnt_context { + struct list_head list; // linked list of me4000_dio_context_t + int in_use; // Indicates if already opend + spinlock_t use_lock; // Guards in_use + int number; + int cnt_count; + me4000_info_t *board_info; + unsigned long ctrl_reg; + unsigned long counter_0_reg; + unsigned long counter_1_reg; + unsigned long counter_2_reg; +} me4000_cnt_context_t; + +typedef struct me4000_ext_int_context { + struct list_head list; // linked list of me4000_dio_context_t + int in_use; // Indicates if already opend + spinlock_t use_lock; // Guards in_use + int number; + me4000_info_t *board_info; + unsigned int irq; + unsigned long int_count; + struct fasync_struct *fasync_ptr; + unsigned long ctrl_reg; + unsigned long irq_status_reg; +} me4000_ext_int_context_t; + +#endif + +/*============================================================================= + Application include section starts here + ===========================================================================*/ + +/*----------------------------------------------------------------------------- + Defines for analog input + ----------------------------------------------------------------------------*/ + +/* General stuff */ +#define ME4000_AI_FIFO_COUNT 2048 + +#define ME4000_AI_MIN_TICKS 66 +#define ME4000_AI_MAX_SCAN_TICKS 0xFFFFFFFFFFLL + +#define ME4000_AI_BUFFER_SIZE (32 * 1024) // Size in bytes + +#define ME4000_AI_BUFFER_COUNT ((ME4000_AI_BUFFER_SIZE) / 2) // Size in values + +/* Channel list defines and masks */ +#define ME4000_AI_CHANNEL_LIST_COUNT 1024 + +#define ME4000_AI_LIST_INPUT_SINGLE_ENDED 0x000 +#define ME4000_AI_LIST_INPUT_DIFFERENTIAL 0x020 + +#define ME4000_AI_LIST_RANGE_BIPOLAR_10 0x000 +#define ME4000_AI_LIST_RANGE_BIPOLAR_2_5 0x040 +#define ME4000_AI_LIST_RANGE_UNIPOLAR_10 0x080 +#define ME4000_AI_LIST_RANGE_UNIPOLAR_2_5 0x0C0 + +#define ME4000_AI_LIST_LAST_ENTRY 0x100 + +/* External trigger defines */ +#define ME4000_AI_TRIGGER_SOFTWARE 0x0 // Use only with API +#define ME4000_AI_TRIGGER_EXT_DIGITAL 0x1 +#define ME4000_AI_TRIGGER_EXT_ANALOG 0x2 + +#define ME4000_AI_TRIGGER_EXT_EDGE_RISING 0x0 +#define ME4000_AI_TRIGGER_EXT_EDGE_FALLING 0x1 +#define ME4000_AI_TRIGGER_EXT_EDGE_BOTH 0x2 + +/* Sample and Hold */ +#define ME4000_AI_SIMULTANEOUS_DISABLE 0x0 +#define ME4000_AI_SIMULTANEOUS_ENABLE 0x1 + +/* Defines for the Sample Counter */ +#define ME4000_AI_SC_RELOAD 0x0 +#define ME4000_AI_SC_ONCE 0x1 + +/* Modes for analog input */ +#define ME4000_AI_ACQ_MODE_SINGLE 0x00 // Catch one single value +#define ME4000_AI_ACQ_MODE_SOFTWARE 0x01 // Continous sampling with software start +#define ME4000_AI_ACQ_MODE_EXT 0x02 // Continous sampling with external trigger start +#define ME4000_AI_ACQ_MODE_EXT_SINGLE_VALUE 0x03 // Sample one value by external trigger +#define ME4000_AI_ACQ_MODE_EXT_SINGLE_CHANLIST 0x04 // Sample one channel list by external trigger + +/* Staus of AI FSM */ +#define ME4000_AI_STATUS_IDLE 0x0 +#define ME4000_AI_STATUS_BUSY 0x1 + +/* Voltages for calibration */ +#define ME4000_AI_GAIN_1_UNI_OFFSET 10.0E-3 +#define ME4000_AI_GAIN_1_UNI_FULLSCALE 9950.0E-3 +#define ME4000_AI_GAIN_1_BI_OFFSET 0.0 +#define ME4000_AI_GAIN_1_BI_FULLSCALE 9950.0E-3 +#define ME4000_AI_GAIN_4_UNI_OFFSET 10.0E-3 +#define ME4000_AI_GAIN_4_UNI_FULLSCALE 2450.0E-3 +#define ME4000_AI_GAIN_4_BI_OFFSET 0.0 +#define ME4000_AI_GAIN_4_BI_FULLSCALE 2450.0E-3 + +/* Ideal digits for calibration */ +#define ME4000_AI_GAIN_1_UNI_OFFSET_DIGITS (-32702) +#define ME4000_AI_GAIN_1_UNI_FULLSCALE_DIGITS 32440 +#define ME4000_AI_GAIN_1_BI_OFFSET_DIGITS 0 +#define ME4000_AI_GAIN_1_BI_FULLSCALE_DIGITS 32604 +#define ME4000_AI_GAIN_4_UNI_OFFSET_DIGITS (-32505) +#define ME4000_AI_GAIN_4_UNI_FULLSCALE_DIGITS 31457 +#define ME4000_AI_GAIN_4_BI_OFFSET_DIGITS 0 +#define ME4000_AI_GAIN_4_BI_FULLSCALE_DIGITS 32113 + +/*----------------------------------------------------------------------------- + Defines for analog output + ----------------------------------------------------------------------------*/ + +/* General stuff */ +#define ME4000_AO_FIFO_COUNT (4 * 1024) + +#define ME4000_AO_MIN_TICKS 66 + +#define ME4000_AO_BUFFER_SIZE (32 * 1024) // Size in bytes + +#define ME4000_AO_BUFFER_COUNT ((ME4000_AO_BUFFER_SIZE) / 2) // Size in values + +/* Conversion modes for analog output */ +#define ME4000_AO_CONV_MODE_SINGLE 0x0 +#define ME4000_AO_CONV_MODE_WRAPAROUND 0x1 +#define ME4000_AO_CONV_MODE_CONTINUOUS 0x2 + +/* Trigger setup */ +#define ME4000_AO_TRIGGER_EXT_EDGE_RISING 0x0 +#define ME4000_AO_TRIGGER_EXT_EDGE_FALLING 0x1 +#define ME4000_AO_TRIGGER_EXT_EDGE_BOTH 0x2 + +/* Status of AO FSM */ +#define ME4000_AO_STATUS_IDLE 0x0 +#define ME4000_AO_STATUS_BUSY 0x1 + +/*----------------------------------------------------------------------------- + Defines for eeprom + ----------------------------------------------------------------------------*/ + +#define ME4000_EEPROM_CMD_READ 0x180 +#define ME4000_EEPROM_CMD_WRITE_ENABLE 0x130 +#define ME4000_EEPROM_CMD_WRITE_DISABLE 0x100 +#define ME4000_EEPROM_CMD_WRITE 0x1400000 + +#define ME4000_EEPROM_CMD_LENGTH_READ 9 +#define ME4000_EEPROM_CMD_LENGTH_WRITE_ENABLE 9 +#define ME4000_EEPROM_CMD_LENGTH_WRITE_DISABLE 9 +#define ME4000_EEPROM_CMD_LENGTH_WRITE 25 + +#define ME4000_EEPROM_ADR_DATE_HIGH 0x32 +#define ME4000_EEPROM_ADR_DATE_LOW 0x33 + +#define ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET 0x34 +#define ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE 0x35 +#define ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET 0x36 +#define ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE 0x37 +#define ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET 0x38 +#define ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE 0x39 + +#define ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET 0x3A +#define ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE 0x3B +#define ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET 0x3C +#define ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE 0x3D +#define ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET 0x3E +#define ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE 0x3F + +#define ME4000_EEPROM_ADR_LENGTH 6 +#define ME4000_EEPROM_DATA_LENGTH 16 + +/*----------------------------------------------------------------------------- + Defines for digital I/O + ----------------------------------------------------------------------------*/ + +#define ME4000_DIO_PORT_A 0x0 +#define ME4000_DIO_PORT_B 0x1 +#define ME4000_DIO_PORT_C 0x2 +#define ME4000_DIO_PORT_D 0x3 + +#define ME4000_DIO_PORT_INPUT 0x0 +#define ME4000_DIO_PORT_OUTPUT 0x1 +#define ME4000_DIO_FIFO_LOW 0x2 +#define ME4000_DIO_FIFO_HIGH 0x3 + +#define ME4000_DIO_FUNCTION_PATTERN 0x0 +#define ME4000_DIO_FUNCTION_DEMUX 0x1 +#define ME4000_DIO_FUNCTION_MUX 0x2 + +/*----------------------------------------------------------------------------- + Defines for counters + ----------------------------------------------------------------------------*/ + +#define ME4000_CNT_COUNTER_0 0 +#define ME4000_CNT_COUNTER_1 1 +#define ME4000_CNT_COUNTER_2 2 + +#define ME4000_CNT_MODE_0 0 // Change state if zero crossing +#define ME4000_CNT_MODE_1 1 // Retriggerable One-Shot +#define ME4000_CNT_MODE_2 2 // Asymmetrical divider +#define ME4000_CNT_MODE_3 3 // Symmetrical divider +#define ME4000_CNT_MODE_4 4 // Counter start by software trigger +#define ME4000_CNT_MODE_5 5 // Counter start by hardware trigger + +/*----------------------------------------------------------------------------- + General type definitions + ----------------------------------------------------------------------------*/ + +typedef struct me4000_user_info { + int board_count; // Index of the board after detection + unsigned long plx_regbase; // PLX configuration space base address + unsigned long me4000_regbase; // Base address of the ME4000 + unsigned long plx_regbase_size; // PLX register set space + unsigned long me4000_regbase_size; // ME4000 register set space + unsigned long serial_no; // Serial number of the board + unsigned char hw_revision; // Hardware revision of the board + unsigned short vendor_id; // Meilhaus vendor id (0x1402) + unsigned short device_id; // Device ID + int pci_bus_no; // PCI bus number + int pci_dev_no; // PCI device number + int pci_func_no; // PCI function number + char irq; // IRQ assigned from the PCI BIOS + int irq_count; // Count of external interrupts + + int driver_version; // Version of the driver release + + int ao_count; // Count of analog output channels + int ao_fifo_count; // Count fo analog output fifos + + int ai_count; // Count of analog input channels + int ai_sh_count; // Count of sample and hold devices + int ai_ex_trig_analog; // Flag to indicate if analogous external trigger is available + + int dio_count; // Count of digital I/O ports + + int cnt_count; // Count of counters +} me4000_user_info_t; + +/*----------------------------------------------------------------------------- + Type definitions for analog output + ----------------------------------------------------------------------------*/ + +typedef struct me4000_ao_channel_list { + unsigned long count; + unsigned long *list; +} me4000_ao_channel_list_t; + +/*----------------------------------------------------------------------------- + Type definitions for analog input + ----------------------------------------------------------------------------*/ + +typedef struct me4000_ai_channel_list { + unsigned long count; + unsigned long *list; +} me4000_ai_channel_list_t; + +typedef struct me4000_ai_timer { + unsigned long pre_chan; + unsigned long chan; + unsigned long scan_low; + unsigned long scan_high; +} me4000_ai_timer_t; + +typedef struct me4000_ai_config { + me4000_ai_timer_t timer; + me4000_ai_channel_list_t channel_list; + int sh; +} me4000_ai_config_t; + +typedef struct me4000_ai_single { + int channel; + int range; + int mode; + short value; + unsigned long timeout; +} me4000_ai_single_t; + +typedef struct me4000_ai_trigger { + int mode; + int edge; +} me4000_ai_trigger_t; + +typedef struct me4000_ai_sc { + unsigned long value; + int reload; +} me4000_ai_sc_t; + +/*----------------------------------------------------------------------------- + Type definitions for eeprom + ----------------------------------------------------------------------------*/ + +typedef struct me4000_eeprom { + unsigned long date; + short uni_10_offset; + short uni_10_fullscale; + short uni_2_5_offset; + short uni_2_5_fullscale; + short bi_10_offset; + short bi_10_fullscale; + short bi_2_5_offset; + short bi_2_5_fullscale; + short diff_10_offset; + short diff_10_fullscale; + short diff_2_5_offset; + short diff_2_5_fullscale; +} me4000_eeprom_t; + +/*----------------------------------------------------------------------------- + Type definitions for digital I/O + ----------------------------------------------------------------------------*/ + +typedef struct me4000_dio_config { + int port; + int mode; + int function; +} me4000_dio_config_t; + +typedef struct me4000_dio_byte { + int port; + unsigned char byte; +} me4000_dio_byte_t; + +/*----------------------------------------------------------------------------- + Type definitions for counters + ----------------------------------------------------------------------------*/ + +typedef struct me4000_cnt { + int counter; + unsigned short value; +} me4000_cnt_t; + +typedef struct me4000_cnt_config { + int counter; + int mode; +} me4000_cnt_config_t; + +/*----------------------------------------------------------------------------- + Type definitions for external interrupt + ----------------------------------------------------------------------------*/ + +typedef struct { + int int1_count; + int int2_count; +} me4000_int_type; + +/*----------------------------------------------------------------------------- + The ioctls of the board + ----------------------------------------------------------------------------*/ + +#define ME4000_IOCTL_MAXNR 50 +#define ME4000_MAGIC 'y' +#define ME4000_GET_USER_INFO _IOR (ME4000_MAGIC, 0, me4000_user_info_t) + +#define ME4000_AO_START _IOW (ME4000_MAGIC, 1, unsigned long) +#define ME4000_AO_STOP _IO (ME4000_MAGIC, 2) +#define ME4000_AO_IMMEDIATE_STOP _IO (ME4000_MAGIC, 3) +#define ME4000_AO_RESET _IO (ME4000_MAGIC, 4) +#define ME4000_AO_PRELOAD _IO (ME4000_MAGIC, 5) +#define ME4000_AO_PRELOAD_UPDATE _IO (ME4000_MAGIC, 6) +#define ME4000_AO_EX_TRIG_ENABLE _IO (ME4000_MAGIC, 7) +#define ME4000_AO_EX_TRIG_DISABLE _IO (ME4000_MAGIC, 8) +#define ME4000_AO_EX_TRIG_SETUP _IOW (ME4000_MAGIC, 9, int) +#define ME4000_AO_TIMER_SET_DIVISOR _IOW (ME4000_MAGIC, 10, unsigned long) +#define ME4000_AO_ENABLE_DO _IO (ME4000_MAGIC, 11) +#define ME4000_AO_DISABLE_DO _IO (ME4000_MAGIC, 12) +#define ME4000_AO_FSM_STATE _IOR (ME4000_MAGIC, 13, int) + +#define ME4000_AI_SINGLE _IOR (ME4000_MAGIC, 14, me4000_ai_single_t) +#define ME4000_AI_START _IOW (ME4000_MAGIC, 15, unsigned long) +#define ME4000_AI_STOP _IO (ME4000_MAGIC, 16) +#define ME4000_AI_IMMEDIATE_STOP _IO (ME4000_MAGIC, 17) +#define ME4000_AI_EX_TRIG_ENABLE _IO (ME4000_MAGIC, 18) +#define ME4000_AI_EX_TRIG_DISABLE _IO (ME4000_MAGIC, 19) +#define ME4000_AI_EX_TRIG_SETUP _IOW (ME4000_MAGIC, 20, me4000_ai_trigger_t) +#define ME4000_AI_CONFIG _IOW (ME4000_MAGIC, 21, me4000_ai_config_t) +#define ME4000_AI_SC_SETUP _IOW (ME4000_MAGIC, 22, me4000_ai_sc_t) +#define ME4000_AI_FSM_STATE _IOR (ME4000_MAGIC, 23, int) + +#define ME4000_DIO_CONFIG _IOW (ME4000_MAGIC, 24, me4000_dio_config_t) +#define ME4000_DIO_GET_BYTE _IOR (ME4000_MAGIC, 25, me4000_dio_byte_t) +#define ME4000_DIO_SET_BYTE _IOW (ME4000_MAGIC, 26, me4000_dio_byte_t) +#define ME4000_DIO_RESET _IO (ME4000_MAGIC, 27) + +#define ME4000_CNT_READ _IOR (ME4000_MAGIC, 28, me4000_cnt_t) +#define ME4000_CNT_WRITE _IOW (ME4000_MAGIC, 29, me4000_cnt_t) +#define ME4000_CNT_CONFIG _IOW (ME4000_MAGIC, 30, me4000_cnt_config_t) +#define ME4000_CNT_RESET _IO (ME4000_MAGIC, 31) + +#define ME4000_EXT_INT_DISABLE _IO (ME4000_MAGIC, 32) +#define ME4000_EXT_INT_ENABLE _IO (ME4000_MAGIC, 33) +#define ME4000_EXT_INT_COUNT _IOR (ME4000_MAGIC, 34, int) + +#define ME4000_AI_OFFSET_ENABLE _IO (ME4000_MAGIC, 35) +#define ME4000_AI_OFFSET_DISABLE _IO (ME4000_MAGIC, 36) +#define ME4000_AI_FULLSCALE_ENABLE _IO (ME4000_MAGIC, 37) +#define ME4000_AI_FULLSCALE_DISABLE _IO (ME4000_MAGIC, 38) + +#define ME4000_AI_EEPROM_READ _IOR (ME4000_MAGIC, 39, me4000_eeprom_t) +#define ME4000_AI_EEPROM_WRITE _IOW (ME4000_MAGIC, 40, me4000_eeprom_t) + +#define ME4000_AO_SIMULTANEOUS_EX_TRIG _IO (ME4000_MAGIC, 41) +#define ME4000_AO_SIMULTANEOUS_SW _IO (ME4000_MAGIC, 42) +#define ME4000_AO_SIMULTANEOUS_DISABLE _IO (ME4000_MAGIC, 43) +#define ME4000_AO_SIMULTANEOUS_UPDATE _IOW (ME4000_MAGIC, 44, me4000_ao_channel_list_t) + +#define ME4000_AO_SYNCHRONOUS_EX_TRIG _IO (ME4000_MAGIC, 45) +#define ME4000_AO_SYNCHRONOUS_SW _IO (ME4000_MAGIC, 46) +#define ME4000_AO_SYNCHRONOUS_DISABLE _IO (ME4000_MAGIC, 47) + +#define ME4000_AO_EX_TRIG_TIMEOUT _IOW (ME4000_MAGIC, 48, unsigned long) +#define ME4000_AO_GET_FREE_BUFFER _IOR (ME4000_MAGIC, 49, unsigned long) + +#define ME4000_AI_GET_COUNT_BUFFER _IOR (ME4000_MAGIC, 50, unsigned long) + +#endif -- GitLab From 866b8695d67e83f47194731d3a7ba55826a7ec70 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 15 Feb 2008 16:53:09 -0800 Subject: [PATCH 3635/6244] Staging: add the go7007 video driver Todo: - checkpatch.pl cleanups - sparse cleanups - lots of little modules, should be merged together and added to the build. - testing? - handle churn in v4l layer. Many thanks to Ross Cohen for cleanup patches on this driver. Cc: Ross Cohen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/go7007/Kconfig | 25 + drivers/staging/go7007/Makefile | 18 + drivers/staging/go7007/README | 11 + drivers/staging/go7007/go7007-driver.c | 688 ++++++++++ drivers/staging/go7007/go7007-fw.c | 1639 +++++++++++++++++++++++ drivers/staging/go7007/go7007-i2c.c | 309 +++++ drivers/staging/go7007/go7007-priv.h | 279 ++++ drivers/staging/go7007/go7007-usb.c | 1229 +++++++++++++++++ drivers/staging/go7007/go7007-v4l2.c | 1503 +++++++++++++++++++++ drivers/staging/go7007/go7007.h | 114 ++ drivers/staging/go7007/saa7134-go7007.c | 484 +++++++ drivers/staging/go7007/snd-go7007.c | 305 +++++ drivers/staging/go7007/wis-i2c.h | 55 + drivers/staging/go7007/wis-ov7640.c | 131 ++ drivers/staging/go7007/wis-saa7113.c | 363 +++++ drivers/staging/go7007/wis-saa7115.c | 492 +++++++ drivers/staging/go7007/wis-sony-tuner.c | 741 ++++++++++ drivers/staging/go7007/wis-tw2804.c | 381 ++++++ drivers/staging/go7007/wis-tw9903.c | 363 +++++ drivers/staging/go7007/wis-uda1342.c | 136 ++ 22 files changed, 9269 insertions(+) create mode 100644 drivers/staging/go7007/Kconfig create mode 100644 drivers/staging/go7007/Makefile create mode 100644 drivers/staging/go7007/README create mode 100644 drivers/staging/go7007/go7007-driver.c create mode 100644 drivers/staging/go7007/go7007-fw.c create mode 100644 drivers/staging/go7007/go7007-i2c.c create mode 100644 drivers/staging/go7007/go7007-priv.h create mode 100644 drivers/staging/go7007/go7007-usb.c create mode 100644 drivers/staging/go7007/go7007-v4l2.c create mode 100644 drivers/staging/go7007/go7007.h create mode 100644 drivers/staging/go7007/saa7134-go7007.c create mode 100644 drivers/staging/go7007/snd-go7007.c create mode 100644 drivers/staging/go7007/wis-i2c.h create mode 100644 drivers/staging/go7007/wis-ov7640.c create mode 100644 drivers/staging/go7007/wis-saa7113.c create mode 100644 drivers/staging/go7007/wis-saa7115.c create mode 100644 drivers/staging/go7007/wis-sony-tuner.c create mode 100644 drivers/staging/go7007/wis-tw2804.c create mode 100644 drivers/staging/go7007/wis-tw9903.c create mode 100644 drivers/staging/go7007/wis-uda1342.c diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 56c73bcf4770..f16bc9cdaf33 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -31,4 +31,6 @@ source "drivers/staging/sxg/Kconfig" source "drivers/staging/me4000/Kconfig" +source "drivers/staging/go7007/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 97df19be52dc..aa61662e6321 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_ET131X) += et131x/ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_SXG) += sxg/ obj-$(CONFIG_ME4000) += me4000/ +obj-$(CONFIG_VIDEO_GO7007) += go7007/ diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig new file mode 100644 index 000000000000..57a121c338c4 --- /dev/null +++ b/drivers/staging/go7007/Kconfig @@ -0,0 +1,25 @@ +config VIDEO_GO7007 + tristate "Go 7007 support" + depends on VIDEO_DEV && PCI && I2C && INPUT + select VIDEOBUF_DMA_SG + select VIDEO_IR + select VIDEO_TUNER + select VIDEO_TVEEPROM + select CRC32 + default N + ---help--- + This is a video4linux driver for some wierd device... + + To compile this driver as a module, choose M here: the + module will be called go7007 + +config VIDEO_GO7007_USB + tristate "Go 7007 USB support" + depends on VIDEO_GO7007 && USB + default N + ---help--- + This is a video4linux driver for some wierd device... + + To compile this driver as a module, choose M here: the + module will be called go7007-usb + diff --git a/drivers/staging/go7007/Makefile b/drivers/staging/go7007/Makefile new file mode 100644 index 000000000000..9b9310cae1ce --- /dev/null +++ b/drivers/staging/go7007/Makefile @@ -0,0 +1,18 @@ +#obj-m += go7007.o go7007-usb.o snd-go7007.o wis-saa7115.o wis-tw9903.o \ + wis-uda1342.o wis-sony-tuner.o wis-saa7113.o wis-ov7640.o \ + wis-tw2804.o + + +obj-$(CONFIG_VIDEO_GO7007) += go7007.o +obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o + +go7007-objs += go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o snd-go7007.o + + +#ifneq ($(SAA7134_BUILD),) +#obj-m += saa7134-go7007.o +#endif + +EXTRA_CFLAGS += -Idrivers/staging/saa7134 +EXTRA_CFLAGS += -Idrivers/media/dvb/frontends +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core diff --git a/drivers/staging/go7007/README b/drivers/staging/go7007/README new file mode 100644 index 000000000000..48f447637817 --- /dev/null +++ b/drivers/staging/go7007/README @@ -0,0 +1,11 @@ +Todo: + - checkpatch.pl cleanups + - sparse cleanups + - lots of little modules, should be merged together + and added to the build. + - testing? + - handle churn in v4l layer. + +Please send patchs to Greg Kroah-Hartman and Cc: Ross +Cohen as well. + diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c new file mode 100644 index 000000000000..5a336ff2d9bb --- /dev/null +++ b/drivers/staging/go7007/go7007-driver.c @@ -0,0 +1,688 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007-priv.h" +#include "wis-i2c.h" + +/* + * Wait for an interrupt to be delivered from the GO7007SB and return + * the associated value and data. + * + * Must be called with the hw_lock held. + */ +int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data) +{ + go->interrupt_available = 0; + go->hpi_ops->read_interrupt(go); + if (wait_event_timeout(go->interrupt_waitq, + go->interrupt_available, 5*HZ) < 0) { + printk(KERN_ERR "go7007: timeout waiting for read interrupt\n"); + return -1; + } + if (!go->interrupt_available) + return -1; + go->interrupt_available = 0; + *value = go->interrupt_value & 0xfffe; + *data = go->interrupt_data; + return 0; +} +EXPORT_SYMBOL(go7007_read_interrupt); + +/* + * Read a register/address on the GO7007SB. + * + * Must be called with the hw_lock held. + */ +int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data) +{ + int count = 100; + u16 value; + + if (go7007_write_interrupt(go, 0x0010, addr) < 0) + return -EIO; + while (count-- > 0) { + if (go7007_read_interrupt(go, &value, data) == 0 && + value == 0xa000) + return 0; + } + return -EIO; +} +EXPORT_SYMBOL(go7007_read_addr); + +/* + * Send the boot firmware to the encoder, which just wakes it up and lets + * us talk to the GPIO pins and on-board I2C adapter. + * + * Must be called with the hw_lock held. + */ +static int go7007_load_encoder(struct go7007 *go) +{ + const struct firmware *fw_entry; + char fw_name[] = "go7007fw.bin"; + void *bounce; + int fw_len, rv = 0; + u16 intr_val, intr_data; + + if (request_firmware(&fw_entry, fw_name, go->dev)) { + printk(KERN_ERR + "go7007: unable to load firmware from file \"%s\"\n", + fw_name); + return -1; + } + if (fw_entry->size < 16 || memcmp(fw_entry->data, "WISGO7007FW", 11)) { + printk(KERN_ERR "go7007: file \"%s\" does not appear to be " + "go7007 firmware\n", fw_name); + release_firmware(fw_entry); + return -1; + } + fw_len = fw_entry->size - 16; + bounce = kmalloc(fw_len, GFP_KERNEL); + if (bounce == NULL) { + printk(KERN_ERR "go7007: unable to allocate %d bytes for " + "firmware transfer\n", fw_len); + release_firmware(fw_entry); + return -1; + } + memcpy(bounce, fw_entry->data + 16, fw_len); + release_firmware(fw_entry); + if (go7007_interface_reset(go) < 0 || + go7007_send_firmware(go, bounce, fw_len) < 0 || + go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || + (intr_val & ~0x1) != 0x5a5a) { + printk(KERN_ERR "go7007: error transferring firmware\n"); + rv = -1; + } + kfree(bounce); + return rv; +} + +/* + * Boot the encoder and register the I2C adapter if requested. Do the + * minimum initialization necessary, since the board-specific code may + * still need to probe the board ID. + * + * Must NOT be called with the hw_lock held. + */ +int go7007_boot_encoder(struct go7007 *go, int init_i2c) +{ + int ret; + + down(&go->hw_lock); + ret = go7007_load_encoder(go); + up(&go->hw_lock); + if (ret < 0) + return -1; + if (!init_i2c) + return 0; + if (go7007_i2c_init(go) < 0) + return -1; + go->i2c_adapter_online = 1; + return 0; +} +EXPORT_SYMBOL(go7007_boot_encoder); + +/* + * Configure any hardware-related registers in the GO7007, such as GPIO + * pins and bus parameters, which are board-specific. This assumes + * the boot firmware has already been downloaded. + * + * Must be called with the hw_lock held. + */ +static int go7007_init_encoder(struct go7007 *go) +{ + if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) { + go7007_write_addr(go, 0x1000, 0x0811); + go7007_write_addr(go, 0x1000, 0x0c11); + } + if (go->board_id == GO7007_BOARDID_MATRIX_REV) { + /* Set GPIO pin 0 to be an output (audio clock control) */ + go7007_write_addr(go, 0x3c82, 0x0001); + go7007_write_addr(go, 0x3c80, 0x00fe); + } + return 0; +} + +/* + * Send the boot firmware to the GO7007 and configure the registers. This + * is the only way to stop the encoder once it has started streaming video. + * + * Must be called with the hw_lock held. + */ +int go7007_reset_encoder(struct go7007 *go) +{ + if (go7007_load_encoder(go) < 0) + return -1; + return go7007_init_encoder(go); +} + +/* + * Attempt to instantiate an I2C client by ID, probably loading a module. + */ +static int init_i2c_module(struct i2c_adapter *adapter, int id, int addr) +{ + char *modname; + + switch (id) { + case I2C_DRIVERID_WIS_SAA7115: + modname = "wis-saa7115"; + break; + case I2C_DRIVERID_WIS_SAA7113: + modname = "wis-saa7113"; + break; + case I2C_DRIVERID_WIS_UDA1342: + modname = "wis-uda1342"; + break; + case I2C_DRIVERID_WIS_SONY_TUNER: + modname = "wis-sony-tuner"; + break; + case I2C_DRIVERID_WIS_TW9903: + modname = "wis-tw9903"; + break; + case I2C_DRIVERID_WIS_TW2804: + modname = "wis-tw2804"; + break; + case I2C_DRIVERID_WIS_OV7640: + modname = "wis-ov7640"; + break; + default: + modname = NULL; + break; + } + if (modname != NULL) + request_module(modname); + if (wis_i2c_probe_device(adapter, id, addr) == 1) + return 0; + if (modname != NULL) + printk(KERN_INFO + "go7007: probing for module %s failed", modname); + else + printk(KERN_INFO + "go7007: sensor %u seems to be unsupported!\n", id); + return -1; +} + +/* + * Finalize the GO7007 hardware setup, register the on-board I2C adapter + * (if used on this board), load the I2C client driver for the sensor + * (SAA7115 or whatever) and other devices, and register the ALSA and V4L2 + * interfaces. + * + * Must NOT be called with the hw_lock held. + */ +int go7007_register_encoder(struct go7007 *go) +{ + int i, ret; + + printk(KERN_INFO "go7007: registering new %s\n", go->name); + + down(&go->hw_lock); + ret = go7007_init_encoder(go); + up(&go->hw_lock); + if (ret < 0) + return -1; + + if (!go->i2c_adapter_online && + go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) { + if (go7007_i2c_init(go) < 0) + return -1; + go->i2c_adapter_online = 1; + } + if (go->i2c_adapter_online) { + for (i = 0; i < go->board_info->num_i2c_devs; ++i) + init_i2c_module(&go->i2c_adapter, + go->board_info->i2c_devs[i].id, + go->board_info->i2c_devs[i].addr); +#ifdef TUNER_SET_TYPE_ADDR + if (go->tuner_type >= 0) { + struct tuner_setup tun_setup = { + .mode_mask = T_ANALOG_TV, + .addr = ADDR_UNSET, + .type = go->tuner_type + }; + i2c_clients_command(&go->i2c_adapter, + TUNER_SET_TYPE_ADDR, &tun_setup); + } +#else + if (go->tuner_type >= 0) + i2c_clients_command(&go->i2c_adapter, + TUNER_SET_TYPE, &go->tuner_type); +#endif + if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) + i2c_clients_command(&go->i2c_adapter, + DECODER_SET_CHANNEL, &go->channel_number); + } + if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) { + go->audio_enabled = 1; + go7007_snd_init(go); + } + return go7007_v4l2_init(go); +} +EXPORT_SYMBOL(go7007_register_encoder); + +/* + * Send the encode firmware to the encoder, which will cause it + * to immediately start delivering the video and audio streams. + * + * Must be called with the hw_lock held. + */ +int go7007_start_encoder(struct go7007 *go) +{ + u8 *fw; + int fw_len, rv = 0, i; + u16 intr_val, intr_data; + + go->modet_enable = 0; + if (!go->dvd_mode) + for (i = 0; i < 4; ++i) { + if (go->modet[i].enable) { + go->modet_enable = 1; + continue; + } + go->modet[i].pixel_threshold = 32767; + go->modet[i].motion_threshold = 32767; + go->modet[i].mb_threshold = 32767; + } + + if (go7007_construct_fw_image(go, &fw, &fw_len) < 0) + return -1; + + if (go7007_send_firmware(go, fw, fw_len) < 0 || + go7007_read_interrupt(go, &intr_val, &intr_data) < 0) { + printk(KERN_ERR "go7007: error transferring firmware\n"); + rv = -1; + goto start_error; + } + + go->state = STATE_DATA; + go->parse_length = 0; + go->seen_frame = 0; + if (go7007_stream_start(go) < 0) { + printk(KERN_ERR "go7007: error starting stream transfer\n"); + rv = -1; + goto start_error; + } + +start_error: + kfree(fw); + return rv; +} + +/* + * Store a byte in the current video buffer, if there is one. + */ +static inline void store_byte(struct go7007_buffer *gobuf, u8 byte) +{ + if (gobuf != NULL && gobuf->bytesused < GO7007_BUF_SIZE) { + unsigned int pgidx = gobuf->offset >> PAGE_SHIFT; + unsigned int pgoff = gobuf->offset & ~PAGE_MASK; + + *((u8 *)page_address(gobuf->pages[pgidx]) + pgoff) = byte; + ++gobuf->offset; + ++gobuf->bytesused; + } +} + +/* + * Deliver the last video buffer and get a new one to start writing to. + */ +static void frame_boundary(struct go7007 *go) +{ + struct go7007_buffer *gobuf; + int i; + + if (go->active_buf) { + if (go->active_buf->modet_active) { + if (go->active_buf->bytesused + 216 < GO7007_BUF_SIZE) { + for (i = 0; i < 216; ++i) + store_byte(go->active_buf, + go->active_map[i]); + go->active_buf->bytesused -= 216; + } else + go->active_buf->modet_active = 0; + } + go->active_buf->state = BUF_STATE_DONE; + wake_up_interruptible(&go->frame_waitq); + go->active_buf = NULL; + } + list_for_each_entry(gobuf, &go->stream, stream) + if (gobuf->state == BUF_STATE_QUEUED) { + gobuf->seq = go->next_seq; + do_gettimeofday(&gobuf->timestamp); + go->active_buf = gobuf; + break; + } + ++go->next_seq; +} + +static void write_bitmap_word(struct go7007 *go) +{ + int x, y, i, stride = ((go->width >> 4) + 7) >> 3; + + for (i = 0; i < 16; ++i) { + y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4); + x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4); + go->active_map[stride * y + (x >> 3)] |= + (go->modet_word & 1) << (x & 0x7); + go->modet_word >>= 1; + } +} + +/* + * Parse a chunk of the video stream into frames. The frames are not + * delimited by the hardware, so we have to parse the frame boundaries + * based on the type of video stream we're receiving. + */ +void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length) +{ + int i, seq_start_code = -1, frame_start_code = -1; + + spin_lock(&go->spinlock); + + switch (go->format) { + case GO7007_FORMAT_MPEG4: + seq_start_code = 0xB0; + frame_start_code = 0xB6; + break; + case GO7007_FORMAT_MPEG1: + case GO7007_FORMAT_MPEG2: + seq_start_code = 0xB3; + frame_start_code = 0x00; + break; + } + + for (i = 0; i < length; ++i) { + if (go->active_buf != NULL && + go->active_buf->bytesused >= GO7007_BUF_SIZE - 3) { + printk(KERN_DEBUG "go7007: dropping oversized frame\n"); + go->active_buf->offset -= go->active_buf->bytesused; + go->active_buf->bytesused = 0; + go->active_buf->modet_active = 0; + go->active_buf = NULL; + } + + switch (go->state) { + case STATE_DATA: + switch (buf[i]) { + case 0x00: + go->state = STATE_00; + break; + case 0xFF: + go->state = STATE_FF; + break; + default: + store_byte(go->active_buf, buf[i]); + break; + } + break; + case STATE_00: + switch (buf[i]) { + case 0x00: + go->state = STATE_00_00; + break; + case 0xFF: + store_byte(go->active_buf, 0x00); + go->state = STATE_FF; + break; + default: + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, buf[i]); + go->state = STATE_DATA; + break; + } + break; + case STATE_00_00: + switch (buf[i]) { + case 0x00: + store_byte(go->active_buf, 0x00); + /* go->state remains STATE_00_00 */ + break; + case 0x01: + go->state = STATE_00_00_01; + break; + case 0xFF: + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x00); + go->state = STATE_FF; + break; + default: + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, buf[i]); + go->state = STATE_DATA; + break; + } + break; + case STATE_00_00_01: + /* If this is the start of a new MPEG frame, + * get a new buffer */ + if ((go->format == GO7007_FORMAT_MPEG1 || + go->format == GO7007_FORMAT_MPEG2 || + go->format == GO7007_FORMAT_MPEG4) && + (buf[i] == seq_start_code || + buf[i] == 0xB8 || /* GOP code */ + buf[i] == frame_start_code)) { + if (go->active_buf == NULL || go->seen_frame) + frame_boundary(go); + if (buf[i] == frame_start_code) { + if (go->active_buf != NULL) + go->active_buf->frame_offset = + go->active_buf->offset; + go->seen_frame = 1; + } else { + go->seen_frame = 0; + } + } + /* Handle any special chunk types, or just write the + * start code to the (potentially new) buffer */ + switch (buf[i]) { + case 0xF5: /* timestamp */ + go->parse_length = 12; + go->state = STATE_UNPARSED; + break; + case 0xF6: /* vbi */ + go->state = STATE_VBI_LEN_A; + break; + case 0xF8: /* MD map */ + go->parse_length = 0; + memset(go->active_map, 0, + sizeof(go->active_map)); + go->state = STATE_MODET_MAP; + break; + case 0xFF: /* Potential JPEG start code */ + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x01); + go->state = STATE_FF; + break; + default: + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x00); + store_byte(go->active_buf, 0x01); + store_byte(go->active_buf, buf[i]); + go->state = STATE_DATA; + break; + } + break; + case STATE_FF: + switch (buf[i]) { + case 0x00: + store_byte(go->active_buf, 0xFF); + go->state = STATE_00; + break; + case 0xFF: + store_byte(go->active_buf, 0xFF); + /* go->state remains STATE_FF */ + break; + case 0xD8: + if (go->format == GO7007_FORMAT_MJPEG) + frame_boundary(go); + /* fall through */ + default: + store_byte(go->active_buf, 0xFF); + store_byte(go->active_buf, buf[i]); + go->state = STATE_DATA; + break; + } + break; + case STATE_VBI_LEN_A: + go->parse_length = buf[i] << 8; + go->state = STATE_VBI_LEN_B; + break; + case STATE_VBI_LEN_B: + go->parse_length |= buf[i]; + if (go->parse_length > 0) + go->state = STATE_UNPARSED; + else + go->state = STATE_DATA; + break; + case STATE_MODET_MAP: + if (go->parse_length < 204) { + if (go->parse_length & 1) { + go->modet_word |= buf[i]; + write_bitmap_word(go); + } else + go->modet_word = buf[i] << 8; + } else if (go->parse_length == 207 && go->active_buf) { + go->active_buf->modet_active = buf[i]; + } + if (++go->parse_length == 208) + go->state = STATE_DATA; + break; + case STATE_UNPARSED: + if (--go->parse_length == 0) + go->state = STATE_DATA; + break; + } + } + + spin_unlock(&go->spinlock); +} +EXPORT_SYMBOL(go7007_parse_video_stream); + +/* + * Allocate a new go7007 struct. Used by the hardware-specific probe. + */ +struct go7007 *go7007_alloc(struct go7007_board_info *board, struct device *dev) +{ + struct go7007 *go; + int i; + + go = kmalloc(sizeof(struct go7007), GFP_KERNEL); + if (go == NULL) + return NULL; + go->dev = dev; + go->board_info = board; + go->board_id = 0; + go->tuner_type = -1; + go->channel_number = 0; + go->name[0] = 0; + init_MUTEX(&go->hw_lock); + init_waitqueue_head(&go->frame_waitq); + spin_lock_init(&go->spinlock); + go->video_dev = NULL; + go->ref_count = 0; + go->status = STATUS_INIT; + memset(&go->i2c_adapter, 0, sizeof(go->i2c_adapter)); + go->i2c_adapter_online = 0; + go->interrupt_available = 0; + init_waitqueue_head(&go->interrupt_waitq); + go->in_use = 0; + go->input = 0; + if (board->sensor_flags & GO7007_SENSOR_TV) { + go->standard = GO7007_STD_NTSC; + go->width = 720; + go->height = 480; + go->sensor_framerate = 30000; + } else { + go->standard = GO7007_STD_OTHER; + go->width = board->sensor_width; + go->height = board->sensor_height; + go->sensor_framerate = board->sensor_framerate; + } + go->encoder_v_offset = board->sensor_v_offset; + go->encoder_h_offset = board->sensor_h_offset; + go->encoder_h_halve = 0; + go->encoder_v_halve = 0; + go->encoder_subsample = 0; + go->streaming = 0; + go->format = GO7007_FORMAT_MJPEG; + go->bitrate = 1500000; + go->fps_scale = 1; + go->pali = 0; + go->aspect_ratio = GO7007_RATIO_1_1; + go->gop_size = 0; + go->ipb = 0; + go->closed_gop = 0; + go->repeat_seqhead = 0; + go->seq_header_enable = 0; + go->gop_header_enable = 0; + go->dvd_mode = 0; + go->interlace_coding = 0; + for (i = 0; i < 4; ++i) + go->modet[i].enable = 0;; + for (i = 0; i < 1624; ++i) + go->modet_map[i] = 0; + go->audio_deliver = NULL; + go->audio_enabled = 0; + INIT_LIST_HEAD(&go->stream); + + return go; +} +EXPORT_SYMBOL(go7007_alloc); + +/* + * Detach and unregister the encoder. The go7007 struct won't be freed + * until v4l2 finishes releasing its resources and all associated fds are + * closed by applications. + */ +void go7007_remove(struct go7007 *go) +{ + if (go->i2c_adapter_online) { + if (i2c_del_adapter(&go->i2c_adapter) == 0) + go->i2c_adapter_online = 0; + else + printk(KERN_ERR + "go7007: error removing I2C adapter!\n"); + } + + if (go->audio_enabled) + go7007_snd_remove(go); + go7007_v4l2_remove(go); +} +EXPORT_SYMBOL(go7007_remove); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/go7007-fw.c b/drivers/staging/go7007/go7007-fw.c new file mode 100644 index 000000000000..c2aea1020b0d --- /dev/null +++ b/drivers/staging/go7007/go7007-fw.c @@ -0,0 +1,1639 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +/* + * This file contains code to generate a firmware image for the GO7007SB + * encoder. Much of the firmware is read verbatim from a file, but some of + * it concerning bitrate control and other things that can be configured at + * run-time are generated dynamically. Note that the format headers + * generated here do not affect the functioning of the encoder; they are + * merely parroted back to the host at the start of each frame. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007-priv.h" + +/* Constants used in the source firmware image to describe code segments */ + +#define FLAG_MODE_MJPEG (1) +#define FLAG_MODE_MPEG1 (1<<1) +#define FLAG_MODE_MPEG2 (1<<2) +#define FLAG_MODE_MPEG4 (1<<3) +#define FLAG_MODE_H263 (1<<4) +#define FLAG_MODE_ALL (FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \ + FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \ + FLAG_MODE_H263) +#define FLAG_SPECIAL (1<<8) + +#define SPECIAL_FRM_HEAD 0 +#define SPECIAL_BRC_CTRL 1 +#define SPECIAL_CONFIG 2 +#define SPECIAL_SEQHEAD 3 +#define SPECIAL_AV_SYNC 4 +#define SPECIAL_FINAL 5 +#define SPECIAL_AUDIO 6 +#define SPECIAL_MODET 7 + +/* Little data class for creating MPEG headers bit-by-bit */ + +struct code_gen { + unsigned char *p; /* destination */ + u32 a; /* collects bits at the top of the variable */ + int b; /* bit position of most recently-written bit */ + int len; /* written out so far */ +}; + +#define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 } + +#define CODE_ADD(name, val, length) do { \ + name.b -= (length); \ + name.a |= (val) << name.b; \ + while (name.b <= 24) { \ + *name.p = name.a >> 24; \ + ++name.p; \ + name.a <<= 8; \ + name.b += 8; \ + name.len += 8; \ + } \ +} while (0) + +#define CODE_LENGTH(name) (name.len + (32 - name.b)) + +/* Tables for creating the bitrate control data */ + +static const s16 converge_speed_ip[101] = { + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, + 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, + 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, + 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, + 19, 20, 22, 23, 25, 27, 30, 32, 35, 38, + 41, 45, 49, 53, 58, 63, 69, 76, 83, 91, + 100 +}; + +static const s16 converge_speed_ipb[101] = { + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, + 6, 6, 6, 7, 7, 7, 7, 8, 8, 9, + 9, 9, 10, 10, 11, 12, 12, 13, 14, 14, + 15, 16, 17, 18, 19, 20, 22, 23, 25, 26, + 28, 30, 32, 34, 37, 40, 42, 46, 49, 53, + 57, 61, 66, 71, 77, 83, 90, 97, 106, 115, + 125, 135, 147, 161, 175, 191, 209, 228, 249, 273, + 300 +}; + +static const s16 LAMBDA_table[4][101] = { + { 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, + 19, 19, 19, 20, 20, 20, 21, 21, 22, 22, + 22, 23, 23, 24, 24, 25, 25, 25, 26, 26, + 27, 27, 28, 28, 29, 29, 30, 31, 31, 32, + 32, 33, 33, 34, 35, 35, 36, 37, 37, 38, + 39, 39, 40, 41, 42, 42, 43, 44, 45, 46, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, + 80, 81, 83, 84, 86, 87, 89, 90, 92, 94, + 96 + }, + { + 20, 20, 20, 21, 21, 21, 22, 22, 23, 23, + 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, + 28, 29, 29, 30, 30, 31, 31, 32, 33, 33, + 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, + 40, 41, 42, 43, 43, 44, 45, 46, 47, 48, + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, + 70, 71, 72, 73, 75, 76, 78, 79, 80, 82, + 83, 85, 86, 88, 90, 91, 93, 95, 96, 98, + 100, 102, 103, 105, 107, 109, 111, 113, 115, 117, + 120 + }, + { + 24, 24, 24, 25, 25, 26, 26, 27, 27, 28, + 28, 29, 29, 30, 30, 31, 31, 32, 33, 33, + 34, 34, 35, 36, 36, 37, 38, 38, 39, 40, + 41, 41, 42, 43, 44, 44, 45, 46, 47, 48, + 49, 50, 50, 51, 52, 53, 54, 55, 56, 57, + 58, 59, 60, 62, 63, 64, 65, 66, 67, 69, + 70, 71, 72, 74, 75, 76, 78, 79, 81, 82, + 84, 85, 87, 88, 90, 92, 93, 95, 97, 98, + 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, + 120, 122, 124, 127, 129, 131, 134, 136, 138, 141, + 144 + }, + { + 32, 32, 33, 33, 34, 34, 35, 36, 36, 37, + 38, 38, 39, 40, 41, 41, 42, 43, 44, 44, + 45, 46, 47, 48, 49, 50, 50, 51, 52, 53, + 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, + 65, 66, 67, 69, 70, 71, 72, 74, 75, 76, + 78, 79, 81, 82, 84, 85, 87, 88, 90, 92, + 93, 95, 97, 98, 100, 102, 104, 106, 108, 110, + 112, 114, 116, 118, 120, 122, 124, 127, 129, 131, + 134, 136, 139, 141, 144, 146, 149, 152, 154, 157, + 160, 163, 166, 169, 172, 175, 178, 181, 185, 188, + 192 + } +}; + +/* MPEG blank frame generation tables */ + +enum mpeg_frame_type { + PFRAME, + BFRAME_PRE, + BFRAME_POST, + BFRAME_BIDIR, + BFRAME_EMPTY +}; + +static const u32 addrinctab[33][2] = { + { 0x01, 1 }, { 0x03, 3 }, { 0x02, 3 }, { 0x03, 4 }, + { 0x02, 4 }, { 0x03, 5 }, { 0x02, 5 }, { 0x07, 7 }, + { 0x06, 7 }, { 0x0b, 8 }, { 0x0a, 8 }, { 0x09, 8 }, + { 0x08, 8 }, { 0x07, 8 }, { 0x06, 8 }, { 0x17, 10 }, + { 0x16, 10 }, { 0x15, 10 }, { 0x14, 10 }, { 0x13, 10 }, + { 0x12, 10 }, { 0x23, 11 }, { 0x22, 11 }, { 0x21, 11 }, + { 0x20, 11 }, { 0x1f, 11 }, { 0x1e, 11 }, { 0x1d, 11 }, + { 0x1c, 11 }, { 0x1b, 11 }, { 0x1a, 11 }, { 0x19, 11 }, + { 0x18, 11 } +}; + +/* Standard JPEG tables */ + +static const u8 default_intra_quant_table[] = { + 8, 16, 19, 22, 26, 27, 29, 34, + 16, 16, 22, 24, 27, 29, 34, 37, + 19, 22, 26, 27, 29, 34, 34, 38, + 22, 22, 26, 27, 29, 34, 37, 40, + 22, 26, 27, 29, 32, 35, 40, 48, + 26, 27, 29, 32, 35, 40, 48, 58, + 26, 27, 29, 34, 38, 46, 56, 69, + 27, 29, 35, 38, 46, 56, 69, 83 +}; + +static const u8 bits_dc_luminance[] = { + 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 +}; + +static const u8 val_dc_luminance[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; + +static const u8 bits_dc_chrominance[] = { + 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 +}; + +static const u8 val_dc_chrominance[] = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; + +static const u8 bits_ac_luminance[] = { + 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d +}; + +static const u8 val_ac_luminance[] = { + 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, + 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, + 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, + 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, + 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, + 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, + 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, + 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, + 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, + 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, + 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, + 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, + 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, + 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, + 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, + 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, + 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa +}; + +static const u8 bits_ac_chrominance[] = { + 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 +}; + +static const u8 val_ac_chrominance[] = { + 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, + 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, + 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, + 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, + 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, + 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, + 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, + 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, + 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, + 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, + 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, + 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, + 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, + 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa +}; + +/* Zig-zag mapping for quant table + * + * OK, let's do this mapping on the actual table above so it doesn't have + * to be done on the fly. + */ +static const int zz[64] = { + 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, + 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, + 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, + 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63 +}; + +static int copy_packages(u16 *dest, u16 *src, int pkg_cnt, int space) +{ + int i, cnt = pkg_cnt * 32; + + if (space < cnt) + return -1; + + for (i = 0; i < cnt; ++i) + dest[i] = __cpu_to_le16(src[i]); + + return cnt; +} + +static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q) +{ + int i, p = 0; + + buf[p++] = 0xff; + buf[p++] = 0xd8; + buf[p++] = 0xff; + buf[p++] = 0xdb; + buf[p++] = 0; + buf[p++] = 2 + 65; + buf[p++] = 0; + buf[p++] = default_intra_quant_table[0]; + for (i = 1; i < 64; ++i) + /* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */ + buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3; + buf[p++] = 0xff; + buf[p++] = 0xc0; + buf[p++] = 0; + buf[p++] = 17; + buf[p++] = 8; + buf[p++] = go->height >> 8; + buf[p++] = go->height & 0xff; + buf[p++] = go->width >> 8; + buf[p++] = go->width & 0xff; + buf[p++] = 3; + buf[p++] = 1; + buf[p++] = 0x22; + buf[p++] = 0; + buf[p++] = 2; + buf[p++] = 0x11; + buf[p++] = 0; + buf[p++] = 3; + buf[p++] = 0x11; + buf[p++] = 0; + buf[p++] = 0xff; + buf[p++] = 0xc4; + buf[p++] = 418 >> 8; + buf[p++] = 418 & 0xff; + buf[p++] = 0x00; + memcpy(buf + p, bits_dc_luminance + 1, 16); + p += 16; + memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance)); + p += sizeof(val_dc_luminance); + buf[p++] = 0x01; + memcpy(buf + p, bits_dc_chrominance + 1, 16); + p += 16; + memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance)); + p += sizeof(val_dc_chrominance); + buf[p++] = 0x10; + memcpy(buf + p, bits_ac_luminance + 1, 16); + p += 16; + memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance)); + p += sizeof(val_ac_luminance); + buf[p++] = 0x11; + memcpy(buf + p, bits_ac_chrominance + 1, 16); + p += 16; + memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance)); + p += sizeof(val_ac_chrominance); + buf[p++] = 0xff; + buf[p++] = 0xda; + buf[p++] = 0; + buf[p++] = 12; + buf[p++] = 3; + buf[p++] = 1; + buf[p++] = 0x00; + buf[p++] = 2; + buf[p++] = 0x11; + buf[p++] = 3; + buf[p++] = 0x11; + buf[p++] = 0; + buf[p++] = 63; + buf[p++] = 0; + return p; +} + +static int gen_mjpeghdr_to_package(struct go7007 *go, u16 *code, int space) +{ + u8 *buf; + u16 mem = 0x3e00; + unsigned int addr = 0x19; + int size = 0, i, off = 0, chunk; + + buf = kmalloc(4096, GFP_KERNEL); + if (buf == NULL) { + printk(KERN_ERR "go7007: unable to allocate 4096 bytes for " + "firmware construction\n"); + return -1; + } + memset(buf, 0, 4096); + + for (i = 1; i < 32; ++i) { + mjpeg_frame_header(go, buf + size, i); + size += 80; + } + chunk = mjpeg_frame_header(go, buf + size, 1); + memmove(buf + size, buf + size + 80, chunk - 80); + size += chunk - 80; + + for (i = 0; i < size; i += chunk * 2) { + if (space - off < 32) { + off = -1; + goto done; + } + + code[off + 1] = __cpu_to_le16(0x8000 | mem); + + chunk = 28; + if (mem + chunk > 0x4000) + chunk = 0x4000 - mem; + if (i + 2 * chunk > size) + chunk = (size - i) / 2; + + if (chunk < 28) { + code[off] = __cpu_to_le16(0x4000 | chunk); + code[off + 31] = __cpu_to_le16(addr++); + mem = 0x3e00; + } else { + code[off] = __cpu_to_le16(0x1000 | 28); + code[off + 31] = 0; + mem += 28; + } + + memcpy(&code[off + 2], buf + i, chunk * 2); + off += 32; + } +done: + kfree(buf); + return off; +} + +static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf, + int modulo, int pict_struct, enum mpeg_frame_type frame) +{ + int i, j, mb_code, mb_len; + int rows = go->interlace_coding ? go->height / 32 : go->height / 16; + CODE_GEN(c, buf + 6); + + switch (frame) { + case PFRAME: + mb_code = 0x1; + mb_len = 3; + break; + case BFRAME_PRE: + mb_code = 0x2; + mb_len = 4; + break; + case BFRAME_POST: + mb_code = 0x2; + mb_len = 3; + break; + case BFRAME_BIDIR: + mb_code = 0x2; + mb_len = 2; + break; + default: /* keep the compiler happy */ + mb_code = mb_len = 0; + break; + } + + CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13); + CODE_ADD(c, 0xffff, 16); + CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4); + if (frame != PFRAME) + CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4); + else + CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */ + CODE_ADD(c, 0, 3); /* What is this?? */ + /* Byte-align with zeros */ + j = 8 - (CODE_LENGTH(c) % 8); + if (j != 8) + CODE_ADD(c, 0, j); + + if (go->format == GO7007_FORMAT_MPEG2) { + CODE_ADD(c, 0x1, 24); + CODE_ADD(c, 0xb5, 8); + CODE_ADD(c, 0x844, 12); + CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8); + if (go->interlace_coding) { + CODE_ADD(c, pict_struct, 4); + if (go->dvd_mode) + CODE_ADD(c, 0x000, 11); + else + CODE_ADD(c, 0x200, 11); + } else { + CODE_ADD(c, 0x3, 4); + CODE_ADD(c, 0x20c, 11); + } + /* Byte-align with zeros */ + j = 8 - (CODE_LENGTH(c) % 8); + if (j != 8) + CODE_ADD(c, 0, j); + } + + for (i = 0; i < rows; ++i) { + CODE_ADD(c, 1, 24); + CODE_ADD(c, i + 1, 8); + CODE_ADD(c, 0x2, 6); + CODE_ADD(c, 0x1, 1); + CODE_ADD(c, mb_code, mb_len); + if (go->interlace_coding) { + CODE_ADD(c, 0x1, 2); + CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); + } + if (frame == BFRAME_BIDIR) { + CODE_ADD(c, 0x3, 2); + if (go->interlace_coding) + CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); + } + CODE_ADD(c, 0x3, 2); + for (j = (go->width >> 4) - 2; j >= 33; j -= 33) + CODE_ADD(c, 0x8, 11); + CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]); + CODE_ADD(c, mb_code, mb_len); + if (go->interlace_coding) { + CODE_ADD(c, 0x1, 2); + CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); + } + if (frame == BFRAME_BIDIR) { + CODE_ADD(c, 0x3, 2); + if (go->interlace_coding) + CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1); + } + CODE_ADD(c, 0x3, 2); + + /* Byte-align with zeros */ + j = 8 - (CODE_LENGTH(c) % 8); + if (j != 8) + CODE_ADD(c, 0, j); + } + + i = CODE_LENGTH(c) + 4 * 8; + buf[2] = 0x00; + buf[3] = 0x00; + buf[4] = 0x01; + buf[5] = 0x00; + return i; +} + +static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext) +{ + int i, aspect_ratio, picture_rate; + CODE_GEN(c, buf + 6); + + if (go->format == GO7007_FORMAT_MPEG1) { + switch (go->aspect_ratio) { + case GO7007_RATIO_4_3: + aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2; + break; + case GO7007_RATIO_16_9: + aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4; + break; + default: + aspect_ratio = 1; + break; + } + } else { + switch (go->aspect_ratio) { + case GO7007_RATIO_4_3: + aspect_ratio = 2; + break; + case GO7007_RATIO_16_9: + aspect_ratio = 3; + break; + default: + aspect_ratio = 1; + break; + } + } + switch (go->sensor_framerate) { + case 24000: + picture_rate = 1; + break; + case 24024: + picture_rate = 2; + break; + case 25025: + picture_rate = go->interlace_coding ? 6 : 3; + break; + case 30000: + picture_rate = go->interlace_coding ? 7 : 4; + break; + case 30030: + picture_rate = go->interlace_coding ? 8 : 5; + break; + default: + picture_rate = 5; /* 30 fps seems like a reasonable default */ + break; + } + + CODE_ADD(c, go->width, 12); + CODE_ADD(c, go->height, 12); + CODE_ADD(c, aspect_ratio, 4); + CODE_ADD(c, picture_rate, 4); + CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 20000 : 0x3ffff, 18); + CODE_ADD(c, 1, 1); + CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 112 : 20, 10); + CODE_ADD(c, 0, 3); + + /* Byte-align with zeros */ + i = 8 - (CODE_LENGTH(c) % 8); + if (i != 8) + CODE_ADD(c, 0, i); + + if (go->format == GO7007_FORMAT_MPEG2) { + CODE_ADD(c, 0x1, 24); + CODE_ADD(c, 0xb5, 8); + CODE_ADD(c, 0x148, 12); + if (go->interlace_coding) + CODE_ADD(c, 0x20001, 20); + else + CODE_ADD(c, 0xa0001, 20); + CODE_ADD(c, 0, 16); + + /* Byte-align with zeros */ + i = 8 - (CODE_LENGTH(c) % 8); + if (i != 8) + CODE_ADD(c, 0, i); + + if (ext) { + CODE_ADD(c, 0x1, 24); + CODE_ADD(c, 0xb52, 12); + CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3); + CODE_ADD(c, 0x105, 9); + CODE_ADD(c, 0x505, 16); + CODE_ADD(c, go->width, 14); + CODE_ADD(c, 1, 1); + CODE_ADD(c, go->height, 14); + + /* Byte-align with zeros */ + i = 8 - (CODE_LENGTH(c) % 8); + if (i != 8) + CODE_ADD(c, 0, i); + } + } + + i = CODE_LENGTH(c) + 4 * 8; + buf[0] = i & 0xff; + buf[1] = i >> 8; + buf[2] = 0x00; + buf[3] = 0x00; + buf[4] = 0x01; + buf[5] = 0xb3; + return i; +} + +static int gen_mpeg1hdr_to_package(struct go7007 *go, + u16 *code, int space, int *framelen) +{ + u8 *buf; + u16 mem = 0x3e00; + unsigned int addr = 0x19; + int i, off = 0, chunk; + + buf = kmalloc(5120, GFP_KERNEL); + if (buf == NULL) { + printk(KERN_ERR "go7007: unable to allocate 5120 bytes for " + "firmware construction\n"); + return -1; + } + memset(buf, 0, 5120); + framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME); + if (go->interlace_coding) + framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8, + 0, 2, PFRAME); + buf[0] = framelen[0] & 0xff; + buf[1] = framelen[0] >> 8; + i = 368; + framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE); + if (go->interlace_coding) + framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8, + 0, 2, BFRAME_PRE); + buf[i] = framelen[1] & 0xff; + buf[i + 1] = framelen[1] >> 8; + i += 1632; + framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST); + if (go->interlace_coding) + framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8, + 0, 2, BFRAME_POST); + buf[i] = framelen[2] & 0xff; + buf[i + 1] = framelen[2] >> 8; + i += 1432; + framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR); + if (go->interlace_coding) + framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8, + 0, 2, BFRAME_BIDIR); + buf[i] = framelen[3] & 0xff; + buf[i + 1] = framelen[3] >> 8; + i += 1632 + 16; + mpeg1_sequence_header(go, buf + i, 0); + i += 40; + for (i = 0; i < 5120; i += chunk * 2) { + if (space - off < 32) { + off = -1; + goto done; + } + + code[off + 1] = __cpu_to_le16(0x8000 | mem); + + chunk = 28; + if (mem + chunk > 0x4000) + chunk = 0x4000 - mem; + if (i + 2 * chunk > 5120) + chunk = (5120 - i) / 2; + + if (chunk < 28) { + code[off] = __cpu_to_le16(0x4000 | chunk); + code[off + 31] = __cpu_to_le16(addr); + if (mem + chunk == 0x4000) { + mem = 0x3e00; + ++addr; + } + } else { + code[off] = __cpu_to_le16(0x1000 | 28); + code[off + 31] = 0; + mem += 28; + } + + memcpy(&code[off + 2], buf + i, chunk * 2); + off += 32; + } +done: + kfree(buf); + return off; +} + +static int vti_bitlen(struct go7007 *go) +{ + unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale; + + for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i); + return i + 1; +} + +static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf, + int modulo, enum mpeg_frame_type frame) +{ + int i; + CODE_GEN(c, buf + 6); + int mb_count = (go->width >> 4) * (go->height >> 4); + + CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2); + if (modulo) + CODE_ADD(c, 0x1, 1); + CODE_ADD(c, 0x1, 2); + CODE_ADD(c, 0, vti_bitlen(go)); + CODE_ADD(c, 0x3, 2); + if (frame == PFRAME) + CODE_ADD(c, 0, 1); + CODE_ADD(c, 0xc, 11); + if (frame != PFRAME) + CODE_ADD(c, 0x4, 3); + if (frame != BFRAME_EMPTY) { + for (i = 0; i < mb_count; ++i) { + switch (frame) { + case PFRAME: + CODE_ADD(c, 0x1, 1); + break; + case BFRAME_PRE: + CODE_ADD(c, 0x47, 8); + break; + case BFRAME_POST: + CODE_ADD(c, 0x27, 7); + break; + case BFRAME_BIDIR: + CODE_ADD(c, 0x5f, 8); + break; + case BFRAME_EMPTY: /* keep compiler quiet */ + break; + } + } + } + + /* Byte-align with a zero followed by ones */ + i = 8 - (CODE_LENGTH(c) % 8); + CODE_ADD(c, 0, 1); + CODE_ADD(c, (1 << (i - 1)) - 1, i - 1); + + i = CODE_LENGTH(c) + 4 * 8; + buf[0] = i & 0xff; + buf[1] = i >> 8; + buf[2] = 0x00; + buf[3] = 0x00; + buf[4] = 0x01; + buf[5] = 0xb6; + return i; +} + +static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext) +{ + const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali, + 0x00, 0x00, 0x01, 0xb5, 0x09, + 0x00, 0x00, 0x01, 0x00, + 0x00, 0x00, 0x01, 0x20, }; + int i, aspect_ratio; + int fps = go->sensor_framerate / go->fps_scale; + CODE_GEN(c, buf + 2 + sizeof(head)); + + switch (go->aspect_ratio) { + case GO7007_RATIO_4_3: + aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2; + break; + case GO7007_RATIO_16_9: + aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4; + break; + default: + aspect_ratio = 1; + break; + } + + memcpy(buf + 2, head, sizeof(head)); + CODE_ADD(c, 0x191, 17); + CODE_ADD(c, aspect_ratio, 4); + CODE_ADD(c, 0x1, 4); + CODE_ADD(c, fps, 16); + CODE_ADD(c, 0x3, 2); + CODE_ADD(c, 1001, vti_bitlen(go)); + CODE_ADD(c, 1, 1); + CODE_ADD(c, go->width, 13); + CODE_ADD(c, 1, 1); + CODE_ADD(c, go->height, 13); + CODE_ADD(c, 0x2830, 14); + + /* Byte-align */ + i = 8 - (CODE_LENGTH(c) % 8); + CODE_ADD(c, 0, 1); + CODE_ADD(c, (1 << (i - 1)) - 1, i - 1); + + i = CODE_LENGTH(c) + sizeof(head) * 8; + buf[0] = i & 0xff; + buf[1] = i >> 8; + return i; +} + +static int gen_mpeg4hdr_to_package(struct go7007 *go, + u16 *code, int space, int *framelen) +{ + u8 *buf; + u16 mem = 0x3e00; + unsigned int addr = 0x19; + int i, off = 0, chunk; + + buf = kmalloc(5120, GFP_KERNEL); + if (buf == NULL) { + printk(KERN_ERR "go7007: unable to allocate 5120 bytes for " + "firmware construction\n"); + return -1; + } + memset(buf, 0, 5120); + framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME); + i = 368; + framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE); + i += 1632; + framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST); + i += 1432; + framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR); + i += 1632; + mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY); + i += 16; + mpeg4_sequence_header(go, buf + i, 0); + i += 40; + for (i = 0; i < 5120; i += chunk * 2) { + if (space - off < 32) { + off = -1; + goto done; + } + + code[off + 1] = __cpu_to_le16(0x8000 | mem); + + chunk = 28; + if (mem + chunk > 0x4000) + chunk = 0x4000 - mem; + if (i + 2 * chunk > 5120) + chunk = (5120 - i) / 2; + + if (chunk < 28) { + code[off] = __cpu_to_le16(0x4000 | chunk); + code[off + 31] = __cpu_to_le16(addr); + if (mem + chunk == 0x4000) { + mem = 0x3e00; + ++addr; + } + } else { + code[off] = __cpu_to_le16(0x1000 | 28); + code[off + 31] = 0; + mem += 28; + } + + memcpy(&code[off + 2], buf + i, chunk * 2); + off += 32; + } + mem = 0x3e00; + addr = go->ipb ? 0x14f9 : 0x0af9; + memset(buf, 0, 5120); + framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME); + i = 368; + framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE); + i += 1632; + framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST); + i += 1432; + framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR); + i += 1632; + mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY); + i += 16; + for (i = 0; i < 5120; i += chunk * 2) { + if (space - off < 32) { + off = -1; + goto done; + } + + code[off + 1] = __cpu_to_le16(0x8000 | mem); + + chunk = 28; + if (mem + chunk > 0x4000) + chunk = 0x4000 - mem; + if (i + 2 * chunk > 5120) + chunk = (5120 - i) / 2; + + if (chunk < 28) { + code[off] = __cpu_to_le16(0x4000 | chunk); + code[off + 31] = __cpu_to_le16(addr); + if (mem + chunk == 0x4000) { + mem = 0x3e00; + ++addr; + } + } else { + code[off] = __cpu_to_le16(0x1000 | 28); + code[off + 31] = 0; + mem += 28; + } + + memcpy(&code[off + 2], buf + i, chunk * 2); + off += 32; + } +done: + kfree(buf); + return off; +} + +static int brctrl_to_package(struct go7007 *go, + u16 *code, int space, int *framelen) +{ + int converge_speed = 0; + int lambda = (go->format == GO7007_FORMAT_MJPEG || go->dvd_mode) ? + 100 : 0; + int peak_rate = 6 * go->bitrate / 5; + int vbv_buffer = go->format == GO7007_FORMAT_MJPEG ? + go->bitrate : + (go->dvd_mode ? 900000 : peak_rate); + int fps = go->sensor_framerate / go->fps_scale; + int q = 0; + /* Bizarre math below depends on rounding errors in division */ + u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps; + u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps; + u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000); + u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32); + u32 cplx[] = { + q > 0 ? sgop_expt_addr * q : + 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, + q > 0 ? sgop_expt_addr * q : + 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, + q > 0 ? sgop_expt_addr * q : + 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, + q > 0 ? sgop_expt_addr * q : + 2 * go->width * go->height * (go->ipb ? 6 : 4) / 32, + }; + u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr; + u16 pack[] = { + 0x200e, 0x0000, + 0xBF20, go->ipb ? converge_speed_ipb[converge_speed] + : converge_speed_ip[converge_speed], + 0xBF21, go->ipb ? 2 : 0, + 0xBF22, go->ipb ? LAMBDA_table[0][lambda / 2 + 50] + : 32767, + 0xBF23, go->ipb ? LAMBDA_table[1][lambda] : 32767, + 0xBF24, 32767, + 0xBF25, lambda > 99 ? 32767 : LAMBDA_table[3][lambda], + 0xBF26, sgop_expt_addr & 0x0000FFFF, + 0xBF27, sgop_expt_addr >> 16, + 0xBF28, sgop_peak_addr & 0x0000FFFF, + 0xBF29, sgop_peak_addr >> 16, + 0xBF2A, vbv_alert_addr & 0x0000FFFF, + 0xBF2B, vbv_alert_addr >> 16, + 0xBF2C, 0, + 0xBF2D, 0, + 0, 0, + + 0x200e, 0x0000, + 0xBF2E, vbv_alert_addr & 0x0000FFFF, + 0xBF2F, vbv_alert_addr >> 16, + 0xBF30, cplx[0] & 0x0000FFFF, + 0xBF31, cplx[0] >> 16, + 0xBF32, cplx[1] & 0x0000FFFF, + 0xBF33, cplx[1] >> 16, + 0xBF34, cplx[2] & 0x0000FFFF, + 0xBF35, cplx[2] >> 16, + 0xBF36, cplx[3] & 0x0000FFFF, + 0xBF37, cplx[3] >> 16, + 0xBF38, 0, + 0xBF39, 0, + 0xBF3A, total_expt_addr & 0x0000FFFF, + 0xBF3B, total_expt_addr >> 16, + 0, 0, + + 0x200e, 0x0000, + 0xBF3C, total_expt_addr & 0x0000FFFF, + 0xBF3D, total_expt_addr >> 16, + 0xBF3E, 0, + 0xBF3F, 0, + 0xBF48, 0, + 0xBF49, 0, + 0xBF4A, calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q), + 0xBF4B, 4, + 0xBF4C, 0, + 0xBF4D, 0, + 0xBF4E, 0, + 0xBF4F, 0, + 0xBF50, 0, + 0xBF51, 0, + 0, 0, + + 0x200e, 0x0000, + 0xBF40, sgop_expt_addr & 0x0000FFFF, + 0xBF41, sgop_expt_addr >> 16, + 0xBF42, 0, + 0xBF43, 0, + 0xBF44, 0, + 0xBF45, 0, + 0xBF46, (go->width >> 4) * (go->height >> 4), + 0xBF47, 0, + 0xBF64, 0, + 0xBF65, 0, + 0xBF18, framelen[4], + 0xBF19, framelen[5], + 0xBF1A, framelen[6], + 0xBF1B, framelen[7], + 0, 0, + +#if 0 /* Remove once we don't care about matching */ + 0x200e, 0x0000, + 0xBF56, 4, + 0xBF57, 0, + 0xBF58, 5, + 0xBF59, 0, + 0xBF5A, 6, + 0xBF5B, 0, + 0xBF5C, 8, + 0xBF5D, 0, + 0xBF5E, 1, + 0xBF5F, 0, + 0xBF60, 1, + 0xBF61, 0, + 0xBF62, 0, + 0xBF63, 0, + 0, 0, +#else + 0x2008, 0x0000, + 0xBF56, 4, + 0xBF57, 0, + 0xBF58, 5, + 0xBF59, 0, + 0xBF5A, 6, + 0xBF5B, 0, + 0xBF5C, 8, + 0xBF5D, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, +#endif + + 0x200e, 0x0000, + 0xBF10, 0, + 0xBF11, 0, + 0xBF12, 0, + 0xBF13, 0, + 0xBF14, 0, + 0xBF15, 0, + 0xBF16, 0, + 0xBF17, 0, + 0xBF7E, 0, + 0xBF7F, 1, + 0xBF52, framelen[0], + 0xBF53, framelen[1], + 0xBF54, framelen[2], + 0xBF55, framelen[3], + 0, 0, + }; + + return copy_packages(code, pack, 6, space); +} + +static int config_package(struct go7007 *go, u16 *code, int space) +{ + int fps = go->sensor_framerate / go->fps_scale / 1000; + int rows = go->interlace_coding ? go->height / 32 : go->height / 16; + int brc_window_size = fps; + int q_min = 2, q_max = 31; + int THACCoeffSet0 = 0; + u16 pack[] = { + 0x200e, 0x0000, + 0xc002, 0x14b4, + 0xc003, 0x28b4, + 0xc004, 0x3c5a, + 0xdc05, 0x2a77, + 0xc6c3, go->format == GO7007_FORMAT_MPEG4 ? 0 : + (go->format == GO7007_FORMAT_H263 ? 0 : 1), + 0xc680, go->format == GO7007_FORMAT_MPEG4 ? 0xf1 : + (go->format == GO7007_FORMAT_H263 ? 0x61 : + 0xd3), + 0xc780, 0x0140, + 0xe009, 0x0001, + 0xc60f, 0x0008, + 0xd4ff, 0x0002, + 0xe403, 2340, + 0xe406, 75, + 0xd411, 0x0001, + 0xd410, 0xa1d6, + 0x0001, 0x2801, + + 0x200d, 0x0000, + 0xe402, 0x018b, + 0xe401, 0x8b01, + 0xd472, (go->board_info->sensor_flags & + GO7007_SENSOR_TV) && + (!go->interlace_coding) ? + 0x01b0 : 0x0170, + 0xd475, (go->board_info->sensor_flags & + GO7007_SENSOR_TV) && + (!go->interlace_coding) ? + 0x0008 : 0x0009, + 0xc404, go->interlace_coding ? 0x44 : + (go->format == GO7007_FORMAT_MPEG4 ? 0x11 : + (go->format == GO7007_FORMAT_MPEG1 ? 0x02 : + (go->format == GO7007_FORMAT_MPEG2 ? 0x04 : + (go->format == GO7007_FORMAT_H263 ? 0x08 : + 0x20)))), + 0xbf0a, (go->format == GO7007_FORMAT_MPEG4 ? 8 : + (go->format == GO7007_FORMAT_MPEG1 ? 1 : + (go->format == GO7007_FORMAT_MPEG2 ? 2 : + (go->format == GO7007_FORMAT_H263 ? 4 : 16)))) | + ((go->repeat_seqhead ? 1 : 0) << 6) | + ((go->dvd_mode ? 1 : 0) << 9) | + ((go->gop_header_enable ? 1 : 0) << 10), + 0xbf0b, 0, + 0xdd5a, go->ipb ? 0x14 : 0x0a, + 0xbf0c, 0, + 0xbf0d, 0, + 0xc683, THACCoeffSet0, + 0xc40a, (go->width << 4) | rows, + 0xe01a, go->board_info->hpi_buffer_cap, + 0, 0, + 0, 0, + + 0x2008, 0, + 0xe402, 0x88, + 0xe401, 0x8f01, + 0xbf6a, 0, + 0xbf6b, 0, + 0xbf6c, 0, + 0xbf6d, 0, + 0xbf6e, 0, + 0xbf6f, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + + 0x200e, 0, + 0xbf66, brc_window_size, + 0xbf67, 0, + 0xbf68, q_min, + 0xbf69, q_max, + 0xbfe0, 0, + 0xbfe1, 0, + 0xbfe2, 0, + 0xbfe3, go->ipb ? 3 : 1, + 0xc031, go->board_info->sensor_flags & + GO7007_SENSOR_VBI ? 1 : 0, + 0xc01c, 0x1f, + 0xdd8c, 0x15, + 0xdd94, 0x15, + 0xdd88, go->ipb ? 0x1401 : 0x0a01, + 0xdd90, go->ipb ? 0x1401 : 0x0a01, + 0, 0, + + 0x200e, 0, + 0xbfe4, 0, + 0xbfe5, 0, + 0xbfe6, 0, + 0xbfe7, fps << 8, + 0xbfe8, 0x3a00, + 0xbfe9, 0, + 0xbfea, 0, + 0xbfeb, 0, + 0xbfec, (go->interlace_coding ? 1 << 15 : 0) | + (go->modet_enable ? 0xa : 0) | + (go->board_info->sensor_flags & + GO7007_SENSOR_VBI ? 1 : 0), + 0xbfed, 0, + 0xbfee, 0, + 0xbfef, 0, + 0xbff0, go->board_info->sensor_flags & + GO7007_SENSOR_TV ? 0xf060 : 0xb060, + 0xbff1, 0, + 0, 0, + }; + + return copy_packages(code, pack, 5, space); +} + +static int seqhead_to_package(struct go7007 *go, u16 *code, int space, + int (*sequence_header_func)(struct go7007 *go, + unsigned char *buf, int ext)) +{ + int vop_time_increment_bitlength = vti_bitlen(go); + int fps = go->sensor_framerate / go->fps_scale * + (go->interlace_coding ? 2 : 1); + unsigned char buf[40] = { }; + int len = sequence_header_func(go, buf, 1); + u16 pack[] = { + 0x2006, 0, + 0xbf08, fps, + 0xbf09, 0, + 0xbff2, vop_time_increment_bitlength, + 0xbff3, (1 << vop_time_increment_bitlength) - 1, + 0xbfe6, 0, + 0xbfe7, (fps / 1000) << 8, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + + 0x2007, 0, + 0xc800, buf[2] << 8 | buf[3], + 0xc801, buf[4] << 8 | buf[5], + 0xc802, buf[6] << 8 | buf[7], + 0xc803, buf[8] << 8 | buf[9], + 0xc406, 64, + 0xc407, len - 64, + 0xc61b, 1, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + + 0x200e, 0, + 0xc808, buf[10] << 8 | buf[11], + 0xc809, buf[12] << 8 | buf[13], + 0xc80a, buf[14] << 8 | buf[15], + 0xc80b, buf[16] << 8 | buf[17], + 0xc80c, buf[18] << 8 | buf[19], + 0xc80d, buf[20] << 8 | buf[21], + 0xc80e, buf[22] << 8 | buf[23], + 0xc80f, buf[24] << 8 | buf[25], + 0xc810, buf[26] << 8 | buf[27], + 0xc811, buf[28] << 8 | buf[29], + 0xc812, buf[30] << 8 | buf[31], + 0xc813, buf[32] << 8 | buf[33], + 0xc814, buf[34] << 8 | buf[35], + 0xc815, buf[36] << 8 | buf[37], + 0, 0, + 0, 0, + 0, 0, + }; + + return copy_packages(code, pack, 3, space); +} + +static int relative_prime(int big, int little) +{ + int remainder; + + while (little != 0) { + remainder = big % little; + big = little; + little = remainder; + } + return big; +} + +static int avsync_to_package(struct go7007 *go, u16 *code, int space) +{ + int arate = go->board_info->audio_rate * 1001 * go->fps_scale; + int ratio = arate / go->sensor_framerate; + int adjratio = ratio * 215 / 100; + int rprime = relative_prime(go->sensor_framerate, + arate % go->sensor_framerate); + int f1 = (arate % go->sensor_framerate) / rprime; + int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime; + u16 pack[] = { + 0x200e, 0, + 0xbf98, (u16)((-adjratio) & 0xffff), + 0xbf99, (u16)((-adjratio) >> 16), + 0xbf92, 0, + 0xbf93, 0, + 0xbff4, f1 > f2 ? f1 : f2, + 0xbff5, f1 < f2 ? f1 : f2, + 0xbff6, f1 < f2 ? ratio : ratio + 1, + 0xbff7, f1 > f2 ? ratio : ratio + 1, + 0xbff8, 0, + 0xbff9, 0, + 0xbffa, adjratio & 0xffff, + 0xbffb, adjratio >> 16, + 0xbf94, 0, + 0xbf95, 0, + 0, 0, + }; + + return copy_packages(code, pack, 1, space); +} + +static int final_package(struct go7007 *go, u16 *code, int space) +{ + int rows = go->interlace_coding ? go->height / 32 : go->height / 16; + u16 pack[] = { + 0x8000, + 0, + 0, + 0, + 0, + 0, + 0, + 2, + ((go->board_info->sensor_flags & GO7007_SENSOR_TV) && + (!go->interlace_coding) ? + (1 << 14) | (1 << 9) : 0) | + ((go->encoder_subsample ? 1 : 0) << 8) | + (go->board_info->sensor_flags & + GO7007_SENSOR_CONFIG_MASK), + ((go->encoder_v_halve ? 1 : 0) << 14) | + (go->encoder_v_halve ? rows << 9 : rows << 8) | + (go->encoder_h_halve ? 1 << 6 : 0) | + (go->encoder_h_halve ? go->width >> 3 : go->width >> 4), + (1 << 15) | (go->encoder_v_offset << 6) | + (1 << 7) | (go->encoder_h_offset >> 2), + (1 << 6), + 0, + 0, + ((go->fps_scale - 1) << 8) | + (go->board_info->sensor_flags & GO7007_SENSOR_TV ? + (1 << 7) : 0) | + 0x41, + go->ipb ? 0xd4c : 0x36b, + (rows << 8) | (go->width >> 4), + go->format == GO7007_FORMAT_MPEG4 ? 0x0404 : 0, + (1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) | + ((go->closed_gop ? 1 : 0) << 12) | + ((go->format == GO7007_FORMAT_MPEG4 ? 1 : 0) << 11) | + /* (1 << 9) | */ + ((go->ipb ? 3 : 0) << 7) | + ((go->modet_enable ? 1 : 0) << 2) | + ((go->dvd_mode ? 1 : 0) << 1) | 1, + (go->format == GO7007_FORMAT_MPEG1 ? 0x89a0 : + (go->format == GO7007_FORMAT_MPEG2 ? 0x89a0 : + (go->format == GO7007_FORMAT_MJPEG ? 0x89a0 : + (go->format == GO7007_FORMAT_MPEG4 ? 0x8920 : + (go->format == GO7007_FORMAT_H263 ? 0x8920 : 0))))), + go->ipb ? 0x1f15 : 0x1f0b, + go->ipb ? 0x0015 : 0x000b, + go->ipb ? 0xa800 : 0x5800, + 0xffff, + 0x0020 + 0x034b * 0, + 0x0020 + 0x034b * 1, + 0x0020 + 0x034b * 2, + 0x0020 + 0x034b * 3, + 0x0020 + 0x034b * 4, + 0x0020 + 0x034b * 5, + go->ipb ? (go->gop_size / 3) : go->gop_size, + (go->height >> 4) * (go->width >> 4) * 110 / 100, + }; + + return copy_packages(code, pack, 1, space); +} + +static int audio_to_package(struct go7007 *go, u16 *code, int space) +{ + int clock_config = ((go->board_info->audio_flags & + GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) | + ((go->board_info->audio_flags & + GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) | + (((go->board_info->audio_bclk_div / 4) - 1) << 4) | + (go->board_info->audio_main_div - 1); + u16 pack[] = { + 0x200d, 0, + 0x9002, 0, + 0x9002, 0, + 0x9031, 0, + 0x9032, 0, + 0x9033, 0, + 0x9034, 0, + 0x9035, 0, + 0x9036, 0, + 0x9037, 0, + 0x9040, 0, + 0x9000, clock_config, + 0x9001, (go->board_info->audio_flags & 0xffff) | + (1 << 9), + 0x9000, ((go->board_info->audio_flags & + GO7007_AUDIO_I2S_MASTER ? + 1 : 0) << 10) | + clock_config, + 0, 0, + 0, 0, + 0x2005, 0, + 0x9041, 0, + 0x9042, 256, + 0x9043, 0, + 0x9044, 16, + 0x9045, 16, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + 0, 0, + }; + + return copy_packages(code, pack, 2, space); +} + +static int modet_to_package(struct go7007 *go, u16 *code, int space) +{ + int ret, mb, i, addr, cnt = 0; + u16 pack[32]; + u16 thresholds[] = { + 0x200e, 0, + 0xbf82, go->modet[0].pixel_threshold, + 0xbf83, go->modet[1].pixel_threshold, + 0xbf84, go->modet[2].pixel_threshold, + 0xbf85, go->modet[3].pixel_threshold, + 0xbf86, go->modet[0].motion_threshold, + 0xbf87, go->modet[1].motion_threshold, + 0xbf88, go->modet[2].motion_threshold, + 0xbf89, go->modet[3].motion_threshold, + 0xbf8a, go->modet[0].mb_threshold, + 0xbf8b, go->modet[1].mb_threshold, + 0xbf8c, go->modet[2].mb_threshold, + 0xbf8d, go->modet[3].mb_threshold, + 0xbf8e, 0, + 0xbf8f, 0, + 0, 0, + }; + + ret = copy_packages(code, thresholds, 1, space); + if (ret < 0) + return -1; + cnt += ret; + + addr = 0xbac0; + memset(pack, 0, 64); + i = 0; + for (mb = 0; mb < 1624; ++mb) { + pack[i * 2 + 3] <<= 2; + pack[i * 2 + 3] |= go->modet_map[mb]; + if (mb % 8 != 7) + continue; + pack[i * 2 + 2] = addr++; + ++i; + if (i == 10 || mb == 1623) { + pack[0] = 0x2000 | i; + ret = copy_packages(code + cnt, pack, 1, space - cnt); + if (ret < 0) + return -1; + cnt += ret; + i = 0; + memset(pack, 0, 64); + } + pack[i * 2 + 3] = 0; + } + + memset(pack, 0, 64); + i = 0; + for (addr = 0xbb90; addr < 0xbbfa; ++addr) { + pack[i * 2 + 2] = addr; + pack[i * 2 + 3] = 0; + ++i; + if (i == 10 || addr == 0xbbf9) { + pack[0] = 0x2000 | i; + ret = copy_packages(code + cnt, pack, 1, space - cnt); + if (ret < 0) + return -1; + cnt += ret; + i = 0; + memset(pack, 0, 64); + } + } + return cnt; +} + +static int do_special(struct go7007 *go, u16 type, u16 *code, int space, + int *framelen) +{ + switch (type) { + case SPECIAL_FRM_HEAD: + switch (go->format) { + case GO7007_FORMAT_MJPEG: + return gen_mjpeghdr_to_package(go, code, space); + case GO7007_FORMAT_MPEG1: + case GO7007_FORMAT_MPEG2: + return gen_mpeg1hdr_to_package(go, code, space, + framelen); + case GO7007_FORMAT_MPEG4: + return gen_mpeg4hdr_to_package(go, code, space, + framelen); + } + case SPECIAL_BRC_CTRL: + return brctrl_to_package(go, code, space, framelen); + case SPECIAL_CONFIG: + return config_package(go, code, space); + case SPECIAL_SEQHEAD: + switch (go->format) { + case GO7007_FORMAT_MPEG1: + case GO7007_FORMAT_MPEG2: + return seqhead_to_package(go, code, space, + mpeg1_sequence_header); + case GO7007_FORMAT_MPEG4: + return seqhead_to_package(go, code, space, + mpeg4_sequence_header); + default: + return 0; + } + case SPECIAL_AV_SYNC: + return avsync_to_package(go, code, space); + case SPECIAL_FINAL: + return final_package(go, code, space); + case SPECIAL_AUDIO: + return audio_to_package(go, code, space); + case SPECIAL_MODET: + return modet_to_package(go, code, space); + } + printk(KERN_ERR + "go7007: firmware file contains unsupported feature %04x\n", + type); + return -1; +} + +int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen) +{ + const struct firmware *fw_entry; + u16 *code, *src; + int framelen[8] = { }; /* holds the lengths of empty frame templates */ + int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags; + int mode_flag; + int ret; + + switch (go->format) { + case GO7007_FORMAT_MJPEG: + mode_flag = FLAG_MODE_MJPEG; + break; + case GO7007_FORMAT_MPEG1: + mode_flag = FLAG_MODE_MPEG1; + break; + case GO7007_FORMAT_MPEG2: + mode_flag = FLAG_MODE_MPEG2; + break; + case GO7007_FORMAT_MPEG4: + mode_flag = FLAG_MODE_MPEG4; + break; + default: + return -1; + } + if (request_firmware(&fw_entry, go->board_info->firmware, go->dev)) { + printk(KERN_ERR + "go7007: unable to load firmware from file \"%s\"\n", + go->board_info->firmware); + return -1; + } + code = kmalloc(codespace * 2, GFP_KERNEL); + if (code == NULL) { + printk(KERN_ERR "go7007: unable to allocate %d bytes for " + "firmware construction\n", codespace * 2); + goto fw_failed; + } + memset(code, 0, codespace * 2); + src = (u16 *)fw_entry->data; + srclen = fw_entry->size / 2; + while (srclen >= 2) { + chunk_flags = __le16_to_cpu(src[0]); + chunk_len = __le16_to_cpu(src[1]); + if (chunk_len + 2 > srclen) { + printk(KERN_ERR "go7007: firmware file \"%s\" " + "appears to be corrupted\n", + go->board_info->firmware); + goto fw_failed; + } + if (chunk_flags & mode_flag) { + if (chunk_flags & FLAG_SPECIAL) { + ret = do_special(go, __le16_to_cpu(src[2]), + &code[i], codespace - i, framelen); + if (ret < 0) { + printk(KERN_ERR "go7007: insufficient " + "memory for firmware " + "construction\n"); + goto fw_failed; + } + i += ret; + } else { + if (codespace - i < chunk_len) { + printk(KERN_ERR "go7007: insufficient " + "memory for firmware " + "construction\n"); + goto fw_failed; + } + memcpy(&code[i], &src[2], chunk_len * 2); + i += chunk_len; + } + } + srclen -= chunk_len + 2; + src += chunk_len + 2; + } + release_firmware(fw_entry); + *fw = (u8 *)code; + *fwlen = i * 2; + return 0; + +fw_failed: + kfree(code); + release_firmware(fw_entry); + return -1; +} diff --git a/drivers/staging/go7007/go7007-i2c.c b/drivers/staging/go7007/go7007-i2c.c new file mode 100644 index 000000000000..10baae3dade6 --- /dev/null +++ b/drivers/staging/go7007/go7007-i2c.c @@ -0,0 +1,309 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007-priv.h" +#include "wis-i2c.h" + +/************** Registration interface for I2C client drivers **************/ + +/* Since there's no way to auto-probe the I2C devices connected to the I2C + * bus on the go7007, we have this silly little registration system that + * client drivers can use to register their I2C driver ID and their + * detect_client function (the one that's normally passed to i2c_probe). + * + * When a new go7007 device is connected, we can look up in a board info + * table by the USB or PCI vendor/product/revision ID to determine + * which I2C client module to load. The client driver module will register + * itself here, and then we can call the registered detect_client function + * to force-load a new client at the address listed in the board info table. + * + * Really the I2C subsystem should have a way to force-load I2C client + * drivers when we have a priori knowledge of what's on the bus, especially + * since the existing I2C auto-probe mechanism is so hokey, but we'll use + * our own mechanism for the time being. */ + +struct wis_i2c_client_driver { + unsigned int id; + found_proc found_proc; + struct list_head list; +}; + +static LIST_HEAD(i2c_client_drivers); +static DECLARE_MUTEX(i2c_client_driver_list_lock); + +/* Client drivers register here by their I2C driver ID */ +int wis_i2c_add_driver(unsigned int id, found_proc found_proc) +{ + struct wis_i2c_client_driver *driver; + + driver = kmalloc(sizeof(struct wis_i2c_client_driver), GFP_KERNEL); + if (driver == NULL) + return -ENOMEM; + driver->id = id; + driver->found_proc = found_proc; + + down(&i2c_client_driver_list_lock); + list_add_tail(&driver->list, &i2c_client_drivers); + up(&i2c_client_driver_list_lock); + + return 0; +} +EXPORT_SYMBOL(wis_i2c_add_driver); + +void wis_i2c_del_driver(found_proc found_proc) +{ + struct wis_i2c_client_driver *driver, *next; + + down(&i2c_client_driver_list_lock); + list_for_each_entry_safe(driver, next, &i2c_client_drivers, list) + if (driver->found_proc == found_proc) { + list_del(&driver->list); + kfree(driver); + } + up(&i2c_client_driver_list_lock); +} +EXPORT_SYMBOL(wis_i2c_del_driver); + +/* The main go7007 driver calls this to instantiate a client by driver + * ID and bus address, which are both stored in the board info table */ +int wis_i2c_probe_device(struct i2c_adapter *adapter, + unsigned int id, int addr) +{ + struct wis_i2c_client_driver *driver; + int found = 0; + + if (addr < 0 || addr > 0x7f) + return -1; + down(&i2c_client_driver_list_lock); + list_for_each_entry(driver, &i2c_client_drivers, list) + if (driver->id == id) { + if (driver->found_proc(adapter, addr, 0) == 0) + found = 1; + break; + } + up(&i2c_client_driver_list_lock); + return found; +} + +/********************* Driver for on-board I2C adapter *********************/ + +/* #define GO7007_I2C_DEBUG */ + +#define SPI_I2C_ADDR_BASE 0x1400 +#define STATUS_REG_ADDR (SPI_I2C_ADDR_BASE + 0x2) +#define I2C_CTRL_REG_ADDR (SPI_I2C_ADDR_BASE + 0x6) +#define I2C_DEV_UP_ADDR_REG_ADDR (SPI_I2C_ADDR_BASE + 0x7) +#define I2C_LO_ADDR_REG_ADDR (SPI_I2C_ADDR_BASE + 0x8) +#define I2C_DATA_REG_ADDR (SPI_I2C_ADDR_BASE + 0x9) +#define I2C_CLKFREQ_REG_ADDR (SPI_I2C_ADDR_BASE + 0xa) + +#define I2C_STATE_MASK 0x0007 +#define I2C_READ_READY_MASK 0x0008 + +/* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs + * on the Adlink PCI-MPG24, so access is shared between all of them. */ +static DECLARE_MUTEX(adlink_mpg24_i2c_lock); + +static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read, + u16 command, int flags, u8 *data) +{ + int i, ret = -1; + u16 val; + + if (go->status == STATUS_SHUTDOWN) + return -1; + +#ifdef GO7007_I2C_DEBUG + if (read) + printk(KERN_DEBUG "go7007-i2c: reading 0x%02x on 0x%02x\n", + command, addr); + else + printk(KERN_DEBUG + "go7007-i2c: writing 0x%02x to 0x%02x on 0x%02x\n", + *data, command, addr); +#endif + + down(&go->hw_lock); + + if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) { + /* Bridge the I2C port on this GO7007 to the shared bus */ + down(&adlink_mpg24_i2c_lock); + go7007_write_addr(go, 0x3c82, 0x0020); + } + + /* Wait for I2C adapter to be ready */ + for (i = 0; i < 10; ++i) { + if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0) + goto i2c_done; + if (!(val & I2C_STATE_MASK)) + break; + msleep(100); + } + if (i == 10) { + printk(KERN_ERR "go7007-i2c: I2C adapter is hung\n"); + goto i2c_done; + } + + /* Set target register (command) */ + go7007_write_addr(go, I2C_CTRL_REG_ADDR, flags); + go7007_write_addr(go, I2C_LO_ADDR_REG_ADDR, command); + + /* If we're writing, send the data and target address and we're done */ + if (!read) { + go7007_write_addr(go, I2C_DATA_REG_ADDR, *data); + go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR, + (addr << 9) | (command >> 8)); + ret = 0; + goto i2c_done; + } + + /* Otherwise, we're reading. First clear i2c_rx_data_rdy. */ + if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0) + goto i2c_done; + + /* Send the target address plus read flag */ + go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR, + (addr << 9) | 0x0100 | (command >> 8)); + + /* Wait for i2c_rx_data_rdy */ + for (i = 0; i < 10; ++i) { + if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0) + goto i2c_done; + if (val & I2C_READ_READY_MASK) + break; + msleep(100); + } + if (i == 10) { + printk(KERN_ERR "go7007-i2c: I2C adapter is hung\n"); + goto i2c_done; + } + + /* Retrieve the read byte */ + if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0) + goto i2c_done; + *data = val; + ret = 0; + +i2c_done: + if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) { + /* Isolate the I2C port on this GO7007 from the shared bus */ + go7007_write_addr(go, 0x3c82, 0x0000); + up(&adlink_mpg24_i2c_lock); + } + up(&go->hw_lock); + return ret; +} + +static int go7007_smbus_xfer(struct i2c_adapter *adapter, u16 addr, + unsigned short flags, char read_write, + u8 command, int size, union i2c_smbus_data *data) +{ + struct go7007 *go = i2c_get_adapdata(adapter); + + if (size != I2C_SMBUS_BYTE_DATA) + return -1; + return go7007_i2c_xfer(go, addr, read_write == I2C_SMBUS_READ, command, + flags & I2C_CLIENT_SCCB ? 0x10 : 0x00, &data->byte); +} + +/* VERY LIMITED I2C master xfer function -- only needed because the + * SMBus functions only support 8-bit commands and the SAA7135 uses + * 16-bit commands. The I2C interface on the GO7007, as limited as + * it is, does support this mode. */ + +static int go7007_i2c_master_xfer(struct i2c_adapter *adapter, + struct i2c_msg msgs[], int num) +{ + struct go7007 *go = i2c_get_adapdata(adapter); + int i; + + for (i = 0; i < num; ++i) { + /* We can only do two things here -- write three bytes, or + * write two bytes and read one byte. */ + if (msgs[i].len == 2) { + if (i + 1 == num || msgs[i].addr != msgs[i + 1].addr || + (msgs[i].flags & I2C_M_RD) || + !(msgs[i + 1].flags & I2C_M_RD) || + msgs[i + 1].len != 1) + return -1; + if (go7007_i2c_xfer(go, msgs[i].addr, 1, + (msgs[i].buf[0] << 8) | msgs[i].buf[1], + 0x01, &msgs[i + 1].buf[0]) < 0) + return -1; + ++i; + } else if (msgs[i].len == 3) { + if (msgs[i].flags & I2C_M_RD) + return -1; + if (msgs[i].len != 3) + return -1; + if (go7007_i2c_xfer(go, msgs[i].addr, 0, + (msgs[i].buf[0] << 8) | msgs[i].buf[1], + 0x01, &msgs[i].buf[2]) < 0) + return -1; + } else + return -1; + } + + return 0; +} + +static u32 go7007_functionality(struct i2c_adapter *adapter) +{ + return I2C_FUNC_SMBUS_BYTE_DATA; +} + +static struct i2c_algorithm go7007_algo = { + .smbus_xfer = go7007_smbus_xfer, + .master_xfer = go7007_i2c_master_xfer, + .functionality = go7007_functionality, +}; + +static struct i2c_adapter go7007_adap_templ = { + .owner = THIS_MODULE, + .class = I2C_CLASS_TV_ANALOG, + .name = "WIS GO7007SB", + .id = I2C_ALGO_GO7007, + .algo = &go7007_algo, +}; + +int go7007_i2c_init(struct go7007 *go) +{ + memcpy(&go->i2c_adapter, &go7007_adap_templ, + sizeof(go7007_adap_templ)); + go->i2c_adapter.dev.parent = go->dev; + i2c_set_adapdata(&go->i2c_adapter, go); + if (i2c_add_adapter(&go->i2c_adapter) < 0) { + printk(KERN_ERR + "go7007-i2c: error: i2c_add_adapter failed\n"); + return -1; + } + return 0; +} diff --git a/drivers/staging/go7007/go7007-priv.h b/drivers/staging/go7007/go7007-priv.h new file mode 100644 index 000000000000..005542d16a56 --- /dev/null +++ b/drivers/staging/go7007/go7007-priv.h @@ -0,0 +1,279 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +/* + * This is the private include file for the go7007 driver. It should not + * be included by anybody but the driver itself, and especially not by + * user-space applications. + */ + +struct go7007; + +/* IDs to activate board-specific support code */ +#define GO7007_BOARDID_MATRIX_II 0 +#define GO7007_BOARDID_MATRIX_RELOAD 1 +#define GO7007_BOARDID_STAR_TREK 2 +#define GO7007_BOARDID_PCI_VOYAGER 3 +#define GO7007_BOARDID_XMEN 4 +#define GO7007_BOARDID_XMEN_II 5 +#define GO7007_BOARDID_XMEN_III 6 +#define GO7007_BOARDID_MATRIX_REV 7 +#define GO7007_BOARDID_PX_M402U 16 +#define GO7007_BOARDID_PX_TV402U_ANY 17 /* need to check tuner model */ +#define GO7007_BOARDID_PX_TV402U_NA 18 /* detected NTSC tuner */ +#define GO7007_BOARDID_PX_TV402U_EU 19 /* detected PAL tuner */ +#define GO7007_BOARDID_PX_TV402U_JP 20 /* detected NTSC-J tuner */ +#define GO7007_BOARDID_LIFEVIEW_LR192 21 /* TV Walker Ultra */ +#define GO7007_BOARDID_ENDURA 22 +#define GO7007_BOARDID_ADLINK_MPG24 23 + +/* Various characteristics of each board */ +#define GO7007_BOARD_HAS_AUDIO (1<<0) +#define GO7007_BOARD_USE_ONBOARD_I2C (1<<1) +#define GO7007_BOARD_HAS_TUNER (1<<2) + +/* Characteristics of sensor devices */ +#define GO7007_SENSOR_VALID_POLAR (1<<0) +#define GO7007_SENSOR_HREF_POLAR (1<<1) +#define GO7007_SENSOR_VREF_POLAR (1<<2) +#define GO7007_SENSOR_FIELD_ID_POLAR (1<<3) +#define GO7007_SENSOR_BIT_WIDTH (1<<4) +#define GO7007_SENSOR_VALID_ENABLE (1<<5) +#define GO7007_SENSOR_656 (1<<6) +#define GO7007_SENSOR_CONFIG_MASK 0x7f +#define GO7007_SENSOR_TV (1<<7) +#define GO7007_SENSOR_VBI (1<<8) +#define GO7007_SENSOR_SCALING (1<<9) + +/* Characteristics of audio sensor devices */ +#define GO7007_AUDIO_I2S_MODE_1 (1) +#define GO7007_AUDIO_I2S_MODE_2 (2) +#define GO7007_AUDIO_I2S_MODE_3 (3) +#define GO7007_AUDIO_BCLK_POLAR (1<<2) +#define GO7007_AUDIO_WORD_14 (14<<4) +#define GO7007_AUDIO_WORD_16 (16<<4) +#define GO7007_AUDIO_ONE_CHANNEL (1<<11) +#define GO7007_AUDIO_I2S_MASTER (1<<16) +#define GO7007_AUDIO_OKI_MODE (1<<17) + +struct go7007_board_info { + char *firmware; + unsigned int flags; + int hpi_buffer_cap; + unsigned int sensor_flags; + int sensor_width; + int sensor_height; + int sensor_framerate; + int sensor_h_offset; + int sensor_v_offset; + unsigned int audio_flags; + int audio_rate; + int audio_bclk_div; + int audio_main_div; + int num_i2c_devs; + struct { + int id; + int addr; + } i2c_devs[4]; + int num_inputs; + struct { + int video_input; + int audio_input; + char *name; + } inputs[4]; +}; + +struct go7007_hpi_ops { + int (*interface_reset)(struct go7007 *go); + int (*write_interrupt)(struct go7007 *go, int addr, int data); + int (*read_interrupt)(struct go7007 *go); + int (*stream_start)(struct go7007 *go); + int (*stream_stop)(struct go7007 *go); + int (*send_firmware)(struct go7007 *go, u8 *data, int len); +}; + +/* The video buffer size must be a multiple of PAGE_SIZE */ +#define GO7007_BUF_PAGES (128 * 1024 / PAGE_SIZE) +#define GO7007_BUF_SIZE (GO7007_BUF_PAGES << PAGE_SHIFT) + +struct go7007_buffer { + struct go7007 *go; /* Reverse reference for VMA ops */ + int index; /* Reverse reference for DQBUF */ + enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state; + u32 seq; + struct timeval timestamp; + struct list_head stream; + struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */ + unsigned long user_addr; + unsigned int page_count; + unsigned int offset; + unsigned int bytesused; + unsigned int frame_offset; + u32 modet_active; + int mapped; +}; + +struct go7007_file { + struct go7007 *go; + struct semaphore lock; + int buf_count; + struct go7007_buffer *bufs; +}; + +#define GO7007_FORMAT_MJPEG 0 +#define GO7007_FORMAT_MPEG4 1 +#define GO7007_FORMAT_MPEG1 2 +#define GO7007_FORMAT_MPEG2 3 +#define GO7007_FORMAT_H263 4 + +#define GO7007_RATIO_1_1 0 +#define GO7007_RATIO_4_3 1 +#define GO7007_RATIO_16_9 2 + +enum go7007_parser_state { + STATE_DATA, + STATE_00, + STATE_00_00, + STATE_00_00_01, + STATE_FF, + STATE_VBI_LEN_A, + STATE_VBI_LEN_B, + STATE_MODET_MAP, + STATE_UNPARSED, +}; + +struct go7007 { + struct device *dev; + struct go7007_board_info *board_info; + unsigned int board_id; + int tuner_type; + int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */ + char name[64]; + struct video_device *video_dev; + int ref_count; + enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status; + spinlock_t spinlock; + struct semaphore hw_lock; + int streaming; + int in_use; + int audio_enabled; + + /* Video input */ + int input; + enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard; + int sensor_framerate; + int width; + int height; + int encoder_h_offset; + int encoder_v_offset; + unsigned int encoder_h_halve:1; + unsigned int encoder_v_halve:1; + unsigned int encoder_subsample:1; + + /* Encoder config */ + int format; + int bitrate; + int fps_scale; + int pali; + int aspect_ratio; + int gop_size; + unsigned int ipb:1; + unsigned int closed_gop:1; + unsigned int repeat_seqhead:1; + unsigned int seq_header_enable:1; + unsigned int gop_header_enable:1; + unsigned int dvd_mode:1; + unsigned int interlace_coding:1; + + /* Motion detection */ + unsigned int modet_enable:1; + struct { + unsigned int enable:1; + int pixel_threshold; + int motion_threshold; + int mb_threshold; + } modet[4]; + unsigned char modet_map[1624]; + unsigned char active_map[216]; + + /* Video streaming */ + struct go7007_buffer *active_buf; + enum go7007_parser_state state; + int parse_length; + u16 modet_word; + int seen_frame; + u32 next_seq; + struct list_head stream; + wait_queue_head_t frame_waitq; + + /* Audio streaming */ + void (*audio_deliver)(struct go7007 *go, u8 *buf, int length); + void *snd_context; + + /* I2C */ + int i2c_adapter_online; + struct i2c_adapter i2c_adapter; + + /* HPI driver */ + struct go7007_hpi_ops *hpi_ops; + void *hpi_context; + int interrupt_available; + wait_queue_head_t interrupt_waitq; + unsigned short interrupt_value; + unsigned short interrupt_data; +}; + +/* All of these must be called with the hpi_lock semaphore held! */ +#define go7007_interface_reset(go) \ + ((go)->hpi_ops->interface_reset(go)) +#define go7007_write_interrupt(go, x, y) \ + ((go)->hpi_ops->write_interrupt)((go), (x), (y)) +#define go7007_stream_start(go) \ + ((go)->hpi_ops->stream_start(go)) +#define go7007_stream_stop(go) \ + ((go)->hpi_ops->stream_stop(go)) +#define go7007_send_firmware(go, x, y) \ + ((go)->hpi_ops->send_firmware)((go), (x), (y)) +#define go7007_write_addr(go, x, y) \ + ((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y)) + +/* go7007-driver.c */ +int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data); +int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data); +int go7007_boot_encoder(struct go7007 *go, int init_i2c); +int go7007_reset_encoder(struct go7007 *go); +int go7007_register_encoder(struct go7007 *go); +int go7007_start_encoder(struct go7007 *go); +void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length); +struct go7007 *go7007_alloc(struct go7007_board_info *board, + struct device *dev); +void go7007_remove(struct go7007 *go); + +/* go7007-fw.c */ +int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen); + +/* go7007-i2c.c */ +int go7007_i2c_init(struct go7007 *go); +int go7007_i2c_remove(struct go7007 *go); + +/* go7007-v4l2.c */ +int go7007_v4l2_init(struct go7007 *go); +void go7007_v4l2_remove(struct go7007 *go); + +/* snd-go7007.c */ +int go7007_snd_init(struct go7007 *go); +int go7007_snd_remove(struct go7007 *go); diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c new file mode 100644 index 000000000000..d4ed6d2b715f --- /dev/null +++ b/drivers/staging/go7007/go7007-usb.c @@ -0,0 +1,1229 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007-priv.h" +#include "wis-i2c.h" + +static unsigned int assume_endura; +module_param(assume_endura, int, 0644); +MODULE_PARM_DESC(assume_endura, "when probing fails, hardware is a Pelco Endura"); + +/* #define GO7007_USB_DEBUG */ +/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */ + +#define HPI_STATUS_ADDR 0xFFF4 +#define INT_PARAM_ADDR 0xFFF6 +#define INT_INDEX_ADDR 0xFFF8 + +/* + * Pipes on EZ-USB interface: + * 0 snd - Control + * 0 rcv - Control + * 2 snd - Download firmware (control) + * 4 rcv - Read Interrupt (interrupt) + * 6 rcv - Read Video (bulk) + * 8 rcv - Read Audio (bulk) + */ + +#define GO7007_USB_EZUSB (1<<0) +#define GO7007_USB_EZUSB_I2C (1<<1) + +struct go7007_usb_board { + unsigned int flags; + struct go7007_board_info main_info; +}; + +struct go7007_usb { + struct go7007_usb_board *board; + struct semaphore i2c_lock; + struct usb_device *usbdev; + struct urb *video_urbs[8]; + struct urb *audio_urbs[8]; + struct urb *intr_urb; +}; + +/*********************** Product specification data ***********************/ + +static struct go7007_usb_board board_matrix_ii = { + .flags = GO7007_USB_EZUSB, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO | + GO7007_BOARD_USE_ONBOARD_I2C, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_VALID_ENABLE | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI | + GO7007_SENSOR_SCALING, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_SAA7115, + .addr = 0x20, + }, + }, + .num_inputs = 2, + .inputs = { + { + .video_input = 0, + .name = "Composite", + }, + { + .video_input = 9, + .name = "S-Video", + }, + }, + }, +}; + +static struct go7007_usb_board board_matrix_reload = { + .flags = GO7007_USB_EZUSB, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO | + GO7007_BOARD_USE_ONBOARD_I2C, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_I2S_MASTER | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_TV, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_SAA7113, + .addr = 0x25, + }, + }, + .num_inputs = 2, + .inputs = { + { + .video_input = 0, + .name = "Composite", + }, + { + .video_input = 9, + .name = "S-Video", + }, + }, + }, +}; + +static struct go7007_usb_board board_star_trek = { + .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO, /* | + GO7007_BOARD_HAS_TUNER, */ + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_VALID_ENABLE | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI | + GO7007_SENSOR_SCALING, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_WORD_16, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_SAA7115, + .addr = 0x20, + }, + }, + .num_inputs = 2, + .inputs = { + { + .video_input = 1, + /* .audio_input = AUDIO_EXTERN, */ + .name = "Composite", + }, + { + .video_input = 8, + /* .audio_input = AUDIO_EXTERN, */ + .name = "S-Video", + }, + /* { + * .video_input = 3, + * .audio_input = AUDIO_TUNER, + * .name = "Tuner", + * }, + */ + }, + }, +}; + +static struct go7007_usb_board board_px_tv402u = { + .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO | + GO7007_BOARD_HAS_TUNER, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_VALID_ENABLE | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI | + GO7007_SENSOR_SCALING, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_WORD_16, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .num_i2c_devs = 3, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_SAA7115, + .addr = 0x20, + }, + { + .id = I2C_DRIVERID_WIS_UDA1342, + .addr = 0x1a, + }, + { + .id = I2C_DRIVERID_WIS_SONY_TUNER, + .addr = 0x60, + }, + }, + .num_inputs = 3, + .inputs = { + { + .video_input = 1, + .audio_input = TVAUDIO_INPUT_EXTERN, + .name = "Composite", + }, + { + .video_input = 8, + .audio_input = TVAUDIO_INPUT_EXTERN, + .name = "S-Video", + }, + { + .video_input = 3, + .audio_input = TVAUDIO_INPUT_TUNER, + .name = "Tuner", + }, + }, + }, +}; + +static struct go7007_usb_board board_xmen = { + .flags = 0, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_USE_ONBOARD_I2C, + .hpi_buffer_cap = 0, + .sensor_flags = GO7007_SENSOR_VREF_POLAR, + .sensor_width = 320, + .sensor_height = 240, + .sensor_framerate = 30030, + .audio_flags = GO7007_AUDIO_ONE_CHANNEL | + GO7007_AUDIO_I2S_MODE_3 | + GO7007_AUDIO_WORD_14 | + GO7007_AUDIO_I2S_MASTER | + GO7007_AUDIO_BCLK_POLAR | + GO7007_AUDIO_OKI_MODE, + .audio_rate = 8000, + .audio_bclk_div = 48, + .audio_main_div = 1, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_OV7640, + .addr = 0x21, + }, + }, + .num_inputs = 1, + .inputs = { + { + .name = "Camera", + }, + }, + }, +}; + +static struct go7007_usb_board board_matrix_revolution = { + .flags = GO7007_USB_EZUSB, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO | + GO7007_BOARD_USE_ONBOARD_I2C, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_I2S_MASTER | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_TW9903, + .addr = 0x44, + }, + }, + .num_inputs = 2, + .inputs = { + { + .video_input = 2, + .name = "Composite", + }, + { + .video_input = 8, + .name = "S-Video", + }, + }, + }, +}; + +static struct go7007_usb_board board_lifeview_lr192 = { + .flags = GO7007_USB_EZUSB, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_HAS_AUDIO | + GO7007_BOARD_USE_ONBOARD_I2C, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_VALID_ENABLE | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI | + GO7007_SENSOR_SCALING, + .num_i2c_devs = 0, + .num_inputs = 1, + .inputs = { + { + .video_input = 0, + .name = "Composite", + }, + }, + }, +}; + +static struct go7007_usb_board board_endura = { + .flags = 0, + .main_info = { + .firmware = "go7007tv.bin", + .flags = 0, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_I2S_MASTER | + GO7007_AUDIO_WORD_16, + .audio_rate = 8000, + .audio_bclk_div = 48, + .audio_main_div = 8, + .hpi_buffer_cap = 0, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_TV, + .sensor_h_offset = 8, + .num_i2c_devs = 0, + .num_inputs = 1, + .inputs = { + { + .name = "Camera", + }, + }, + }, +}; + +static struct go7007_usb_board board_adlink_mpg24 = { + .flags = 0, + .main_info = { + .firmware = "go7007tv.bin", + .flags = GO7007_BOARD_USE_ONBOARD_I2C, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_I2S_MASTER | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 0, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI, + .num_i2c_devs = 1, + .i2c_devs = { + { + .id = I2C_DRIVERID_WIS_TW2804, + .addr = 0x00, /* yes, really */ + }, + }, + .num_inputs = 1, + .inputs = { + { + .name = "Composite", + }, + }, + }, +}; + +static struct usb_device_id go7007_usb_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x200, /* Revision number of XMen */ + .bcdDevice_hi = 0x200, + .bInterfaceClass = 255, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 255, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x202, /* Revision number of Matrix II */ + .bcdDevice_hi = 0x202, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x204, /* Revision number of Matrix */ + .bcdDevice_hi = 0x204, /* Reloaded */ + .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x205, /* Revision number of XMen-II */ + .bcdDevice_hi = 0x205, + .bInterfaceClass = 255, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 255, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x208, /* Revision number of Star Trek */ + .bcdDevice_hi = 0x208, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x209, /* Revision number of XMen-III */ + .bcdDevice_hi = 0x209, + .bInterfaceClass = 255, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 255, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */ + .idProduct = 0x7007, /* Product ID of GO7007SB chip */ + .bcdDevice_lo = 0x210, /* Revision number of Matrix */ + .bcdDevice_hi = 0x210, /* Revolution */ + .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x093b, /* Vendor ID of Plextor */ + .idProduct = 0xa102, /* Product ID of M402U */ + .bcdDevice_lo = 0x1, /* revision number of Blueberry */ + .bcdDevice_hi = 0x1, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x093b, /* Vendor ID of Plextor */ + .idProduct = 0xa104, /* Product ID of TV402U */ + .bcdDevice_lo = 0x1, + .bcdDevice_hi = 0x1, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY, + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, + .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */ + .idProduct = 0xde00, /* Product ID of Lifeview LR192 */ + .bcdDevice_lo = 0x1, + .bcdDevice_hi = 0x1, + .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192, + }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, go7007_usb_id_table); + +/********************* Driver for EZ-USB HPI interface *********************/ + +static int go7007_usb_vendor_request(struct go7007 *go, int request, + int value, int index, void *transfer_buffer, int length, int in) +{ + struct go7007_usb *usb = go->hpi_context; + int timeout = 5000; + + if (in) { + return usb_control_msg(usb->usbdev, + usb_rcvctrlpipe(usb->usbdev, 0), request, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + value, index, transfer_buffer, length, timeout); + } else { + return usb_control_msg(usb->usbdev, + usb_sndctrlpipe(usb->usbdev, 0), request, + USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, transfer_buffer, length, timeout); + } +} + +static int go7007_usb_interface_reset(struct go7007 *go) +{ + struct go7007_usb *usb = go->hpi_context; + u16 intr_val, intr_data; + + /* Reset encoder */ + if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0) + return -1; + msleep(100); + + if (usb->board->flags & GO7007_USB_EZUSB) { + /* Reset buffer in EZ-USB */ +#ifdef GO7007_USB_DEBUG + printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n"); +#endif + if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 || + go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0) + return -1; + + /* Reset encoder again */ + if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0) + return -1; + msleep(100); + } + + /* Wait for an interrupt to indicate successful hardware reset */ + if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || + (intr_val & ~0x1) != 0x55aa) { + printk(KERN_ERR + "go7007-usb: unable to reset the USB interface\n"); + return -1; + } + return 0; +} + +static int go7007_usb_ezusb_write_interrupt(struct go7007 *go, + int addr, int data) +{ + struct go7007_usb *usb = go->hpi_context; + int i, r; + u16 status_reg; + int timeout = 500; + +#ifdef GO7007_USB_DEBUG + printk(KERN_DEBUG + "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data); +#endif + + for (i = 0; i < 100; ++i) { + r = usb_control_msg(usb->usbdev, + usb_rcvctrlpipe(usb->usbdev, 0), 0x14, + USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, + 0, HPI_STATUS_ADDR, &status_reg, + sizeof(status_reg), timeout); + if (r < 0) + goto write_int_error; + __le16_to_cpus(&status_reg); + if (!(status_reg & 0x0010)) + break; + msleep(10); + } + if (i == 100) { + printk(KERN_ERR + "go7007-usb: device is hung, status reg = 0x%04x\n", + status_reg); + return -1; + } + r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12, + USB_TYPE_VENDOR | USB_RECIP_DEVICE, data, + INT_PARAM_ADDR, NULL, 0, timeout); + if (r < 0) + goto write_int_error; + r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), + 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr, + INT_INDEX_ADDR, NULL, 0, timeout); + if (r < 0) + goto write_int_error; + return 0; + +write_int_error: + printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r); + return r; +} + +static int go7007_usb_onboard_write_interrupt(struct go7007 *go, + int addr, int data) +{ + struct go7007_usb *usb = go->hpi_context; + u8 *tbuf; + int r; + int timeout = 500; + +#ifdef GO7007_USB_DEBUG + printk(KERN_DEBUG + "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data); +#endif + + tbuf = kmalloc(8, GFP_KERNEL); + if (tbuf == NULL) + return -ENOMEM; + memset(tbuf, 0, 8); + tbuf[0] = data & 0xff; + tbuf[1] = data >> 8; + tbuf[2] = addr & 0xff; + tbuf[3] = addr >> 8; + r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00, + USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa, + 0xf0f0, tbuf, 8, timeout); + kfree(tbuf); + if (r < 0) { + printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r); + return r; + } + return 0; +} + +static void go7007_usb_readinterrupt_complete(struct urb *urb) +{ + struct go7007 *go = (struct go7007 *)urb->context; + u16 *regs = (u16 *)urb->transfer_buffer; + + if (urb->status != 0) { + if (urb->status != -ESHUTDOWN && + go->status != STATUS_SHUTDOWN) { + printk(KERN_ERR + "go7007-usb: error in read interrupt: %d\n", + urb->status); + } else { + wake_up(&go->interrupt_waitq); + return; + } + } else if (urb->actual_length != urb->transfer_buffer_length) { + printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n"); + } else { + go->interrupt_available = 1; + go->interrupt_data = __le16_to_cpu(regs[0]); + go->interrupt_value = __le16_to_cpu(regs[1]); +#ifdef GO7007_USB_DEBUG + printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n", + go->interrupt_value, go->interrupt_data); +#endif + } + + wake_up(&go->interrupt_waitq); +} + +static int go7007_usb_read_interrupt(struct go7007 *go) +{ + struct go7007_usb *usb = go->hpi_context; + int r; + + r = usb_submit_urb(usb->intr_urb, GFP_KERNEL); + if (r < 0) { + printk(KERN_ERR + "go7007-usb: unable to submit interrupt urb: %d\n", r); + return r; + } + return 0; +} + +static void go7007_usb_read_video_pipe_complete(struct urb *urb) +{ + struct go7007 *go = (struct go7007 *)urb->context; + int r; + + if (!go->streaming) { + wake_up_interruptible(&go->frame_waitq); + return; + } + if (urb->status != 0) { + printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", + urb->status); + return; + } + if (urb->actual_length != urb->transfer_buffer_length) { + printk(KERN_ERR "go7007-usb: short read in video pipe!\n"); + return; + } + go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length); + r = usb_submit_urb(urb, GFP_ATOMIC); + if (r < 0) + printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r); +} + +static void go7007_usb_read_audio_pipe_complete(struct urb *urb) +{ + struct go7007 *go = (struct go7007 *)urb->context; + int r; + + if (!go->streaming) + return; + if (urb->status != 0) { + printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", + urb->status); + return; + } + if (urb->actual_length != urb->transfer_buffer_length) { + printk(KERN_ERR "go7007-usb: short read in audio pipe!\n"); + return; + } + if (go->audio_deliver != NULL) + go->audio_deliver(go, urb->transfer_buffer, urb->actual_length); + r = usb_submit_urb(urb, GFP_ATOMIC); + if (r < 0) + printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r); +} + +static int go7007_usb_stream_start(struct go7007 *go) +{ + struct go7007_usb *usb = go->hpi_context; + int i, r; + + for (i = 0; i < 8; ++i) { + r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL); + if (r < 0) { + printk(KERN_ERR "go7007-usb: error submitting video " + "urb %d: %d\n", i, r); + goto video_submit_failed; + } + } + if (!go->audio_enabled) + return 0; + + for (i = 0; i < 8; ++i) { + r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL); + if (r < 0) { + printk(KERN_ERR "go7007-usb: error submitting audio " + "urb %d: %d\n", i, r); + goto audio_submit_failed; + } + } + return 0; + +audio_submit_failed: + for (i = 0; i < 8; ++i) + usb_kill_urb(usb->audio_urbs[i]); +video_submit_failed: + for (i = 0; i < 8; ++i) + usb_kill_urb(usb->video_urbs[i]); + return -1; +} + +static int go7007_usb_stream_stop(struct go7007 *go) +{ + struct go7007_usb *usb = go->hpi_context; + int i; + + if (go->status == STATUS_SHUTDOWN) + return 0; + for (i = 0; i < 8; ++i) + usb_kill_urb(usb->video_urbs[i]); + if (go->audio_enabled) + for (i = 0; i < 8; ++i) + usb_kill_urb(usb->audio_urbs[i]); + return 0; +} + +static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len) +{ + struct go7007_usb *usb = go->hpi_context; + int transferred, pipe; + int timeout = 500; + +#ifdef GO7007_USB_DEBUG + printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len); +#endif + + if (usb->board->flags & GO7007_USB_EZUSB) + pipe = usb_sndbulkpipe(usb->usbdev, 2); + else + pipe = usb_sndbulkpipe(usb->usbdev, 3); + + return usb_bulk_msg(usb->usbdev, pipe, data, len, + &transferred, timeout); +} + +static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = { + .interface_reset = go7007_usb_interface_reset, + .write_interrupt = go7007_usb_ezusb_write_interrupt, + .read_interrupt = go7007_usb_read_interrupt, + .stream_start = go7007_usb_stream_start, + .stream_stop = go7007_usb_stream_stop, + .send_firmware = go7007_usb_send_firmware, +}; + +static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = { + .interface_reset = go7007_usb_interface_reset, + .write_interrupt = go7007_usb_onboard_write_interrupt, + .read_interrupt = go7007_usb_read_interrupt, + .stream_start = go7007_usb_stream_start, + .stream_stop = go7007_usb_stream_stop, + .send_firmware = go7007_usb_send_firmware, +}; + +/********************* Driver for EZ-USB I2C adapter *********************/ + +static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter, + struct i2c_msg msgs[], int num) +{ + struct go7007 *go = i2c_get_adapdata(adapter); + struct go7007_usb *usb = go->hpi_context; + u8 buf[16]; + int buf_len, i; + int ret = -1; + + if (go->status == STATUS_SHUTDOWN) + return -1; + + down(&usb->i2c_lock); + + for (i = 0; i < num; ++i) { + /* The hardware command is "write some bytes then read some + * bytes", so we try to coalesce a write followed by a read + * into a single USB transaction */ + if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr && + !(msgs[i].flags & I2C_M_RD) && + (msgs[i + 1].flags & I2C_M_RD)) { +#ifdef GO7007_I2C_DEBUG + printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d " + "bytes on %02x\n", msgs[i].len, + msgs[i + 1].len, msgs[i].addr); +#endif + buf[0] = 0x01; + buf[1] = msgs[i].len + 1; + buf[2] = msgs[i].addr << 1; + memcpy(&buf[3], msgs[i].buf, msgs[i].len); + buf_len = msgs[i].len + 3; + buf[buf_len++] = msgs[++i].len; + } else if (msgs[i].flags & I2C_M_RD) { +#ifdef GO7007_I2C_DEBUG + printk(KERN_DEBUG "go7007-usb: i2c read %d " + "bytes on %02x\n", msgs[i].len, + msgs[i].addr); +#endif + buf[0] = 0x01; + buf[1] = 1; + buf[2] = msgs[i].addr << 1; + buf[3] = msgs[i].len; + buf_len = 4; + } else { +#ifdef GO7007_I2C_DEBUG + printk(KERN_DEBUG "go7007-usb: i2c write %d " + "bytes on %02x\n", msgs[i].len, + msgs[i].addr); +#endif + buf[0] = 0x00; + buf[1] = msgs[i].len + 1; + buf[2] = msgs[i].addr << 1; + memcpy(&buf[3], msgs[i].buf, msgs[i].len); + buf_len = msgs[i].len + 3; + buf[buf_len++] = 0; + } + if (go7007_usb_vendor_request(go, 0x24, 0, 0, + buf, buf_len, 0) < 0) + goto i2c_done; + if (msgs[i].flags & I2C_M_RD) { + memset(buf, 0, sizeof(buf)); + if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf, + msgs[i].len + 1, 1) < 0) + goto i2c_done; + memcpy(msgs[i].buf, buf + 1, msgs[i].len); + } + } + ret = 0; + +i2c_done: + up(&usb->i2c_lock); + return ret; +} + +static u32 go7007_usb_functionality(struct i2c_adapter *adapter) +{ + /* No errors are reported by the hardware, so we don't bother + * supporting quick writes to avoid confusing probing */ + return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK; +} + +static struct i2c_algorithm go7007_usb_algo = { + .master_xfer = go7007_usb_i2c_master_xfer, + .functionality = go7007_usb_functionality, +}; + +static struct i2c_adapter go7007_usb_adap_templ = { + .owner = THIS_MODULE, + .class = I2C_CLASS_TV_ANALOG, + .name = "WIS GO7007SB EZ-USB", + .id = I2C_ALGO_GO7007_USB, + .algo = &go7007_usb_algo, +}; + +/********************* USB add/remove functions *********************/ + +static int go7007_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct go7007 *go; + struct go7007_usb *usb; + struct go7007_usb_board *board; + struct usb_device *usbdev = interface_to_usbdev(intf); + char *name; + int video_pipe, i, v_urb_len; + + printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n"); + + switch (id->driver_info) { + case GO7007_BOARDID_MATRIX_II: + name = "WIS Matrix II or compatible"; + board = &board_matrix_ii; + break; + case GO7007_BOARDID_MATRIX_RELOAD: + name = "WIS Matrix Reloaded or compatible"; + board = &board_matrix_reload; + break; + case GO7007_BOARDID_MATRIX_REV: + name = "WIS Matrix Revolution or compatible"; + board = &board_matrix_revolution; + break; + case GO7007_BOARDID_STAR_TREK: + name = "WIS Star Trek or compatible"; + board = &board_star_trek; + break; + case GO7007_BOARDID_XMEN: + name = "WIS XMen or compatible"; + board = &board_xmen; + break; + case GO7007_BOARDID_XMEN_II: + name = "WIS XMen II or compatible"; + board = &board_xmen; + break; + case GO7007_BOARDID_XMEN_III: + name = "WIS XMen III or compatible"; + board = &board_xmen; + break; + case GO7007_BOARDID_PX_M402U: + name = "Plextor PX-M402U"; + board = &board_matrix_ii; + break; + case GO7007_BOARDID_PX_TV402U_ANY: + name = "Plextor PX-TV402U (unknown tuner)"; + board = &board_px_tv402u; + break; + case GO7007_BOARDID_LIFEVIEW_LR192: + printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra " + "is not supported. Sorry!\n"); + return 0; + name = "Lifeview TV Walker Ultra"; + board = &board_lifeview_lr192; + break; + default: + printk(KERN_ERR "go7007-usb: unknown board ID %d!\n", + (unsigned int)id->driver_info); + return 0; + } + + usb = kmalloc(sizeof(struct go7007_usb), GFP_KERNEL); + if (usb == NULL) + return -ENOMEM; + memset(usb, 0, sizeof(struct go7007_usb)); + + /* Allocate the URB and buffer for receiving incoming interrupts */ + usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL); + if (usb->intr_urb == NULL) + goto allocfail; + usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL); + if (usb->intr_urb->transfer_buffer == NULL) + goto allocfail; + + go = go7007_alloc(&board->main_info, &intf->dev); + if (go == NULL) + goto allocfail; + usb->board = board; + usb->usbdev = usbdev; + go->board_id = id->driver_info; + strncpy(go->name, name, sizeof(go->name)); + if (board->flags & GO7007_USB_EZUSB) + go->hpi_ops = &go7007_usb_ezusb_hpi_ops; + else + go->hpi_ops = &go7007_usb_onboard_hpi_ops; + go->hpi_context = usb; + usb_fill_int_urb(usb->intr_urb, usb->usbdev, + usb_rcvintpipe(usb->usbdev, 4), + usb->intr_urb->transfer_buffer, 2*sizeof(u16), + go7007_usb_readinterrupt_complete, go, 8); + usb_set_intfdata(intf, go); + + /* Boot the GO7007 */ + if (go7007_boot_encoder(go, go->board_info->flags & + GO7007_BOARD_USE_ONBOARD_I2C) < 0) + goto initfail; + + /* Register the EZ-USB I2C adapter, if we're using it */ + if (board->flags & GO7007_USB_EZUSB_I2C) { + memcpy(&go->i2c_adapter, &go7007_usb_adap_templ, + sizeof(go7007_usb_adap_templ)); + init_MUTEX(&usb->i2c_lock); + go->i2c_adapter.dev.parent = go->dev; + i2c_set_adapdata(&go->i2c_adapter, go); + if (i2c_add_adapter(&go->i2c_adapter) < 0) { + printk(KERN_ERR + "go7007-usb: error: i2c_add_adapter failed\n"); + goto initfail; + } + go->i2c_adapter_online = 1; + } + + /* Pelco and Adlink reused the XMen and XMen-III vendor and product + * IDs for their own incompatible designs. We can detect XMen boards + * by probing the sensor, but there is no way to probe the sensors on + * the Pelco and Adlink designs so we default to the Adlink. If it + * is actually a Pelco, the user must set the assume_endura module + * parameter. */ + if ((go->board_id == GO7007_BOARDID_XMEN || + go->board_id == GO7007_BOARDID_XMEN_III) && + go->i2c_adapter_online) { + union i2c_smbus_data data; + + /* Check to see if register 0x0A is 0x76 */ + i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB, + I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data); + if (data.byte != 0x76) { + if (assume_endura) { + go->board_id = GO7007_BOARDID_ENDURA; + usb->board = board = &board_endura; + go->board_info = &board->main_info; + strncpy(go->name, "Pelco Endura", + sizeof(go->name)); + } else { + u16 channel; + + /* set GPIO5 to be an output, currently low */ + go7007_write_addr(go, 0x3c82, 0x0000); + go7007_write_addr(go, 0x3c80, 0x00df); + /* read channel number from GPIO[1:0] */ + go7007_read_addr(go, 0x3c81, &channel); + channel &= 0x3; + go->board_id = GO7007_BOARDID_ADLINK_MPG24; + usb->board = board = &board_adlink_mpg24; + go->board_info = &board->main_info; + go->channel_number = channel; + snprintf(go->name, sizeof(go->name), + "Adlink PCI-MPG24, channel #%d", + channel); + } + } + } + + /* Probe the tuner model on the TV402U */ + if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) { + u8 data[3]; + + /* Board strapping indicates tuner model */ + if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) { + printk(KERN_ERR "go7007-usb: GPIO read failed!\n"); + goto initfail; + } + switch (data[0] >> 6) { + case 1: + go->board_id = GO7007_BOARDID_PX_TV402U_EU; + go->tuner_type = TUNER_SONY_BTF_PG472Z; + strncpy(go->name, "Plextor PX-TV402U-EU", + sizeof(go->name)); + break; + case 2: + go->board_id = GO7007_BOARDID_PX_TV402U_JP; + go->tuner_type = TUNER_SONY_BTF_PK467Z; + strncpy(go->name, "Plextor PX-TV402U-JP", + sizeof(go->name)); + break; + case 3: + go->board_id = GO7007_BOARDID_PX_TV402U_NA; + go->tuner_type = TUNER_SONY_BTF_PB463Z; + strncpy(go->name, "Plextor PX-TV402U-NA", + sizeof(go->name)); + break; + default: + printk(KERN_DEBUG "go7007-usb: unable to detect " + "tuner type!\n"); + break; + } + /* Configure tuner mode selection inputs connected + * to the EZ-USB GPIO output pins */ + if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0, + NULL, 0, 0) < 0) { + printk(KERN_ERR + "go7007-usb: GPIO write failed!\n"); + goto initfail; + } + } + + /* Print a nasty message if the user attempts to use a USB2.0 device in + * a USB1.1 port. There will be silent corruption of the stream. */ + if ((board->flags & GO7007_USB_EZUSB) && + usbdev->speed != USB_SPEED_HIGH) + printk(KERN_ERR "go7007-usb: *** WARNING *** This device " + "must be connected to a USB 2.0 port! " + "Attempting to capture video through a USB 1.1 " + "port will result in stream corruption, even " + "at low bitrates!\n"); + + /* Do any final GO7007 initialization, then register the + * V4L2 and ALSA interfaces */ + if (go7007_register_encoder(go) < 0) + goto initfail; + + /* Allocate the URBs and buffers for receiving the video stream */ + if (board->flags & GO7007_USB_EZUSB) { + v_urb_len = 1024; + video_pipe = usb_rcvbulkpipe(usb->usbdev, 6); + } else { + v_urb_len = 512; + video_pipe = usb_rcvbulkpipe(usb->usbdev, 1); + } + for (i = 0; i < 8; ++i) { + usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL); + if (usb->video_urbs[i] == NULL) + goto initfail; + usb->video_urbs[i]->transfer_buffer = + kmalloc(v_urb_len, GFP_KERNEL); + if (usb->video_urbs[i]->transfer_buffer == NULL) + goto initfail; + usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe, + usb->video_urbs[i]->transfer_buffer, v_urb_len, + go7007_usb_read_video_pipe_complete, go); + } + + /* Allocate the URBs and buffers for receiving the audio stream */ + if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled) + for (i = 0; i < 8; ++i) { + usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL); + if (usb->audio_urbs[i] == NULL) + goto initfail; + usb->audio_urbs[i]->transfer_buffer = kmalloc(4096, + GFP_KERNEL); + if (usb->audio_urbs[i]->transfer_buffer == NULL) + goto initfail; + usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev, + usb_rcvbulkpipe(usb->usbdev, 8), + usb->audio_urbs[i]->transfer_buffer, 4096, + go7007_usb_read_audio_pipe_complete, go); + } + + + go->status = STATUS_ONLINE; + return 0; + +initfail: + go->status = STATUS_SHUTDOWN; + return 0; + +allocfail: + if (usb->intr_urb) { + kfree(usb->intr_urb->transfer_buffer); + usb_free_urb(usb->intr_urb); + } + kfree(usb); + return -ENOMEM; +} + +static void go7007_usb_disconnect(struct usb_interface *intf) +{ + struct go7007 *go = usb_get_intfdata(intf); + struct go7007_usb *usb = go->hpi_context; + int i; + + go->status = STATUS_SHUTDOWN; + usb_kill_urb(usb->intr_urb); + + /* Free USB-related structs */ + for (i = 0; i < 8; ++i) { + if (usb->video_urbs[i] != NULL) { + if (usb->video_urbs[i]->transfer_buffer != NULL) + kfree(usb->video_urbs[i]->transfer_buffer); + usb_free_urb(usb->video_urbs[i]); + } + if (usb->audio_urbs[i] != NULL) { + if (usb->audio_urbs[i]->transfer_buffer != NULL) + kfree(usb->audio_urbs[i]->transfer_buffer); + usb_free_urb(usb->audio_urbs[i]); + } + } + kfree(usb->intr_urb->transfer_buffer); + usb_free_urb(usb->intr_urb); + + kfree(go->hpi_context); + + go7007_remove(go); +} + +static struct usb_driver go7007_usb_driver = { + .name = "go7007", + .probe = go7007_usb_probe, + .disconnect = go7007_usb_disconnect, + .id_table = go7007_usb_id_table, +}; + +static int __init go7007_usb_init(void) +{ + return usb_register(&go7007_usb_driver); +} + +static void __exit go7007_usb_cleanup(void) +{ + usb_deregister(&go7007_usb_driver); +} + +module_init(go7007_usb_init); +module_exit(go7007_usb_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c new file mode 100644 index 000000000000..d54d0190d814 --- /dev/null +++ b/drivers/staging/go7007/go7007-v4l2.c @@ -0,0 +1,1503 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007.h" +#include "go7007-priv.h" +#include "wis-i2c.h" + +static void deactivate_buffer(struct go7007_buffer *gobuf) +{ + int i; + + if (gobuf->state != BUF_STATE_IDLE) { + list_del(&gobuf->stream); + gobuf->state = BUF_STATE_IDLE; + } + if (gobuf->page_count > 0) { + for (i = 0; i < gobuf->page_count; ++i) + page_cache_release(gobuf->pages[i]); + gobuf->page_count = 0; + } +} + +static void abort_queued(struct go7007 *go) +{ + struct go7007_buffer *gobuf, *next; + + list_for_each_entry_safe(gobuf, next, &go->stream, stream) { + deactivate_buffer(gobuf); + } +} + +static int go7007_streamoff(struct go7007 *go) +{ + int retval = -EINVAL; + unsigned long flags; + + down(&go->hw_lock); + if (go->streaming) { + go->streaming = 0; + go7007_stream_stop(go); + spin_lock_irqsave(&go->spinlock, flags); + abort_queued(go); + spin_unlock_irqrestore(&go->spinlock, flags); + go7007_reset_encoder(go); + retval = 0; + } + up(&go->hw_lock); + return 0; +} + +static int go7007_open(struct inode *inode, struct file *file) +{ + struct go7007 *go = video_get_drvdata(video_devdata(file)); + struct go7007_file *gofh; + + if (go->status != STATUS_ONLINE) + return -EBUSY; + gofh = kmalloc(sizeof(struct go7007_file), GFP_KERNEL); + if (gofh == NULL) + return -ENOMEM; + ++go->ref_count; + gofh->go = go; + init_MUTEX(&gofh->lock); + gofh->buf_count = 0; + file->private_data = gofh; + return 0; +} + +static int go7007_release(struct inode *inode, struct file *file) +{ + struct go7007_file *gofh = file->private_data; + struct go7007 *go = gofh->go; + + if (gofh->buf_count > 0) { + go7007_streamoff(go); + go->in_use = 0; + kfree(gofh->bufs); + gofh->buf_count = 0; + } + kfree(gofh); + if (--go->ref_count == 0) + kfree(go); + file->private_data = NULL; + return 0; +} + +static u32 get_frame_type_flag(struct go7007_buffer *gobuf, int format) +{ + u8 *f = page_address(gobuf->pages[0]); + + switch (format) { + case GO7007_FORMAT_MJPEG: + return V4L2_BUF_FLAG_KEYFRAME; + case GO7007_FORMAT_MPEG4: + switch ((f[gobuf->frame_offset + 4] >> 6) & 0x3) { + case 0: + return V4L2_BUF_FLAG_KEYFRAME; + case 1: + return V4L2_BUF_FLAG_PFRAME; + case 2: + return V4L2_BUF_FLAG_BFRAME; + default: + return 0; + } + case GO7007_FORMAT_MPEG1: + case GO7007_FORMAT_MPEG2: + switch ((f[gobuf->frame_offset + 5] >> 3) & 0x7) { + case 1: + return V4L2_BUF_FLAG_KEYFRAME; + case 2: + return V4L2_BUF_FLAG_PFRAME; + case 3: + return V4L2_BUF_FLAG_BFRAME; + default: + return 0; + } + } + + return 0; +} + +static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try) +{ + int sensor_height = 0, sensor_width = 0; + int width, height, i; + + if (fmt != NULL && fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG && + fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG && + fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG4) + return -EINVAL; + + switch (go->standard) { + case GO7007_STD_NTSC: + sensor_width = 720; + sensor_height = 480; + break; + case GO7007_STD_PAL: + sensor_width = 720; + sensor_height = 576; + break; + case GO7007_STD_OTHER: + sensor_width = go->board_info->sensor_width; + sensor_height = go->board_info->sensor_height; + break; + } + + if (fmt == NULL) { + width = sensor_width; + height = sensor_height; + } else if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) { + if (fmt->fmt.pix.width > sensor_width) + width = sensor_width; + else if (fmt->fmt.pix.width < 144) + width = 144; + else + width = fmt->fmt.pix.width & ~0x0f; + + if (fmt->fmt.pix.height > sensor_height) + height = sensor_height; + else if (fmt->fmt.pix.height < 96) + height = 96; + else + height = fmt->fmt.pix.height & ~0x0f; + } else { + int requested_size = fmt->fmt.pix.width * fmt->fmt.pix.height; + int sensor_size = sensor_width * sensor_height; + + if (64 * requested_size < 9 * sensor_size) { + width = sensor_width / 4; + height = sensor_height / 4; + } else if (64 * requested_size < 36 * sensor_size) { + width = sensor_width / 2; + height = sensor_height / 2; + } else { + width = sensor_width; + height = sensor_height; + } + width &= ~0xf; + height &= ~0xf; + } + + if (fmt != NULL) { + u32 pixelformat = fmt->fmt.pix.pixelformat; + + memset(fmt, 0, sizeof(*fmt)); + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fmt->fmt.pix.width = width; + fmt->fmt.pix.height = height; + fmt->fmt.pix.pixelformat = pixelformat; + fmt->fmt.pix.field = V4L2_FIELD_NONE; + fmt->fmt.pix.bytesperline = 0; + fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE; + fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* ?? */ + } + + if (try) + return 0; + + go->width = width; + go->height = height; + go->encoder_h_offset = go->board_info->sensor_h_offset; + go->encoder_v_offset = go->board_info->sensor_v_offset; + for (i = 0; i < 4; ++i) + go->modet[i].enable = 0; + for (i = 0; i < 1624; ++i) + go->modet_map[i] = 0; + + if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) { + struct video_decoder_resolution res; + + res.width = width; + if (height > sensor_height / 2) { + res.height = height / 2; + go->encoder_v_halve = 0; + } else { + res.height = height; + go->encoder_v_halve = 1; + } + if (go->i2c_adapter_online) + i2c_clients_command(&go->i2c_adapter, + DECODER_SET_RESOLUTION, &res); + } else { + if (width <= sensor_width / 4) { + go->encoder_h_halve = 1; + go->encoder_v_halve = 1; + go->encoder_subsample = 1; + } else if (width <= sensor_width / 2) { + go->encoder_h_halve = 1; + go->encoder_v_halve = 1; + go->encoder_subsample = 0; + } else { + go->encoder_h_halve = 0; + go->encoder_v_halve = 0; + go->encoder_subsample = 0; + } + } + + if (fmt == NULL) + return 0; + + switch (fmt->fmt.pix.pixelformat) { + case V4L2_PIX_FMT_MPEG: + if (go->format == GO7007_FORMAT_MPEG1 || + go->format == GO7007_FORMAT_MPEG2 || + go->format == GO7007_FORMAT_MPEG4) + break; + go->format = GO7007_FORMAT_MPEG1; + go->pali = 0; + go->aspect_ratio = GO7007_RATIO_1_1; + go->gop_size = go->sensor_framerate / 1000; + go->ipb = 0; + go->closed_gop = 1; + go->repeat_seqhead = 1; + go->seq_header_enable = 1; + go->gop_header_enable = 1; + go->dvd_mode = 0; + break; + /* Backwards compatibility only! */ + case V4L2_PIX_FMT_MPEG4: + if (go->format == GO7007_FORMAT_MPEG4) + break; + go->format = GO7007_FORMAT_MPEG4; + go->pali = 0xf5; + go->aspect_ratio = GO7007_RATIO_1_1; + go->gop_size = go->sensor_framerate / 1000; + go->ipb = 0; + go->closed_gop = 1; + go->repeat_seqhead = 1; + go->seq_header_enable = 1; + go->gop_header_enable = 1; + go->dvd_mode = 0; + break; + case V4L2_PIX_FMT_MJPEG: + go->format = GO7007_FORMAT_MJPEG; + go->pali = 0; + go->aspect_ratio = GO7007_RATIO_1_1; + go->gop_size = 0; + go->ipb = 0; + go->closed_gop = 0; + go->repeat_seqhead = 0; + go->seq_header_enable = 0; + go->gop_header_enable = 0; + go->dvd_mode = 0; + break; + } + return 0; +} + +static int clip_to_modet_map(struct go7007 *go, int region, + struct v4l2_clip *clip_list) +{ + struct v4l2_clip clip, *clip_ptr; + int x, y, mbnum; + + /* Check if coordinates are OK and if any macroblocks are already + * used by other regions (besides 0) */ + clip_ptr = clip_list; + while (clip_ptr) { + if (copy_from_user(&clip, clip_ptr, sizeof(clip))) + return -EFAULT; + if (clip.c.left < 0 || (clip.c.left & 0xF) || + clip.c.width <= 0 || (clip.c.width & 0xF)) + return -EINVAL; + if (clip.c.left + clip.c.width > go->width) + return -EINVAL; + if (clip.c.top < 0 || (clip.c.top & 0xF) || + clip.c.height <= 0 || (clip.c.height & 0xF)) + return -EINVAL; + if (clip.c.top + clip.c.height > go->height) + return -EINVAL; + for (y = 0; y < clip.c.height; y += 16) + for (x = 0; x < clip.c.width; x += 16) { + mbnum = (go->width >> 4) * + ((clip.c.top + y) >> 4) + + ((clip.c.left + x) >> 4); + if (go->modet_map[mbnum] != 0 && + go->modet_map[mbnum] != region) + return -EBUSY; + } + clip_ptr = clip.next; + } + + /* Clear old region macroblocks */ + for (mbnum = 0; mbnum < 1624; ++mbnum) + if (go->modet_map[mbnum] == region) + go->modet_map[mbnum] = 0; + + /* Claim macroblocks in this list */ + clip_ptr = clip_list; + while (clip_ptr) { + if (copy_from_user(&clip, clip_ptr, sizeof(clip))) + return -EFAULT; + for (y = 0; y < clip.c.height; y += 16) + for (x = 0; x < clip.c.width; x += 16) { + mbnum = (go->width >> 4) * + ((clip.c.top + y) >> 4) + + ((clip.c.left + x) >> 4); + go->modet_map[mbnum] = region; + } + clip_ptr = clip.next; + } + return 0; +} + +static int go7007_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct go7007_file *gofh = file->private_data; + struct go7007 *go = gofh->go; + unsigned long flags; + int retval = 0; + + switch (cmd) { + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap, 0, sizeof(*cap)); + strcpy(cap->driver, "go7007"); + strncpy(cap->card, go->name, sizeof(cap->card)); + cap->version = KERNEL_VERSION(0, 9, 8); + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_STREAMING; /* | V4L2_CAP_AUDIO; */ + if (go->board_info->flags & GO7007_BOARD_HAS_TUNER) + cap->capabilities |= V4L2_CAP_TUNER; + return 0; + } + case VIDIOC_ENUM_FMT: + { + struct v4l2_fmtdesc *fmt = arg; + unsigned int index; + char *desc; + u32 pixelformat; + + if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + switch (fmt->index) { + case 0: + pixelformat = V4L2_PIX_FMT_MJPEG; + desc = "Motion-JPEG"; + break; + case 1: + pixelformat = V4L2_PIX_FMT_MPEG; + desc = "MPEG1/MPEG2/MPEG4"; + break; + default: + return -EINVAL; + } + index = fmt->index; + memset(fmt, 0, sizeof(*fmt)); + fmt->index = index; + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fmt->flags = V4L2_FMT_FLAG_COMPRESSED; + strncpy(fmt->description, desc, sizeof(fmt->description)); + fmt->pixelformat = pixelformat; + + return 0; + } + case VIDIOC_TRY_FMT: + { + struct v4l2_format *fmt = arg; + + if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return set_capture_size(go, fmt, 1); + } + case VIDIOC_G_FMT: + { + struct v4l2_format *fmt = arg; + + if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + memset(fmt, 0, sizeof(*fmt)); + fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fmt->fmt.pix.width = go->width; + fmt->fmt.pix.height = go->height; + fmt->fmt.pix.pixelformat = go->format == GO7007_FORMAT_MJPEG ? + V4L2_PIX_FMT_MJPEG : V4L2_PIX_FMT_MPEG; + fmt->fmt.pix.field = V4L2_FIELD_NONE; + fmt->fmt.pix.bytesperline = 0; + fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE; + fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* ?? */ + return 0; + } + case VIDIOC_S_FMT: + { + struct v4l2_format *fmt = arg; + + if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (go->streaming) + return -EBUSY; + return set_capture_size(go, fmt, 0); + } + case VIDIOC_G_FBUF: + case VIDIOC_S_FBUF: + return -EINVAL; + case VIDIOC_REQBUFS: + { + struct v4l2_requestbuffers *req = arg; + unsigned int count, i; + + if (go->streaming) + return -EBUSY; + if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + req->memory != V4L2_MEMORY_MMAP) + return -EINVAL; + + down(&gofh->lock); + retval = -EBUSY; + for (i = 0; i < gofh->buf_count; ++i) + if (gofh->bufs[i].mapped > 0) + goto unlock_and_return; + down(&go->hw_lock); + if (go->in_use > 0 && gofh->buf_count == 0) { + up(&go->hw_lock); + goto unlock_and_return; + } + if (gofh->buf_count > 0) + kfree(gofh->bufs); + retval = -ENOMEM; + count = req->count; + if (count > 0) { + if (count < 2) + count = 2; + if (count > 32) + count = 32; + gofh->bufs = kmalloc(count * + sizeof(struct go7007_buffer), + GFP_KERNEL); + if (gofh->bufs == NULL) { + up(&go->hw_lock); + goto unlock_and_return; + } + memset(gofh->bufs, 0, + count * sizeof(struct go7007_buffer)); + for (i = 0; i < count; ++i) { + gofh->bufs[i].go = go; + gofh->bufs[i].index = i; + gofh->bufs[i].state = BUF_STATE_IDLE; + gofh->bufs[i].mapped = 0; + } + go->in_use = 1; + } else { + go->in_use = 0; + } + gofh->buf_count = count; + up(&go->hw_lock); + up(&gofh->lock); + memset(req, 0, sizeof(*req)); + req->count = count; + req->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + req->memory = V4L2_MEMORY_MMAP; + return 0; + } + case VIDIOC_QUERYBUF: + { + struct v4l2_buffer *buf = arg; + unsigned int index; + + retval = -EINVAL; + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + index = buf->index; + down(&gofh->lock); + if (index >= gofh->buf_count) + goto unlock_and_return; + memset(buf, 0, sizeof(*buf)); + buf->index = index; + buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + switch (gofh->bufs[index].state) { + case BUF_STATE_QUEUED: + buf->flags = V4L2_BUF_FLAG_QUEUED; + break; + case BUF_STATE_DONE: + buf->flags = V4L2_BUF_FLAG_DONE; + break; + default: + buf->flags = 0; + } + if (gofh->bufs[index].mapped) + buf->flags |= V4L2_BUF_FLAG_MAPPED; + buf->memory = V4L2_MEMORY_MMAP; + buf->m.offset = index * GO7007_BUF_SIZE; + buf->length = GO7007_BUF_SIZE; + up(&gofh->lock); + + return 0; + } + case VIDIOC_QBUF: + { + struct v4l2_buffer *buf = arg; + struct go7007_buffer *gobuf; + int ret; + + retval = -EINVAL; + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + buf->memory != V4L2_MEMORY_MMAP) + return -EINVAL; + down(&gofh->lock); + if (buf->index < 0 || buf->index >= gofh->buf_count) + goto unlock_and_return; + gobuf = &gofh->bufs[buf->index]; + if (gobuf->mapped == 0) + goto unlock_and_return; + retval = -EBUSY; + if (gobuf->state != BUF_STATE_IDLE) + goto unlock_and_return; + /* offset will be 0 until we really support USERPTR streaming */ + gobuf->offset = gobuf->user_addr & ~PAGE_MASK; + gobuf->bytesused = 0; + gobuf->frame_offset = 0; + gobuf->modet_active = 0; + if (gobuf->offset > 0) + gobuf->page_count = GO7007_BUF_PAGES + 1; + else + gobuf->page_count = GO7007_BUF_PAGES; + retval = -ENOMEM; + down_read(¤t->mm->mmap_sem); + ret = get_user_pages(current, current->mm, + gobuf->user_addr & PAGE_MASK, gobuf->page_count, + 1, 1, gobuf->pages, NULL); + up_read(¤t->mm->mmap_sem); + if (ret != gobuf->page_count) { + int i; + for (i = 0; i < ret; ++i) + page_cache_release(gobuf->pages[i]); + gobuf->page_count = 0; + goto unlock_and_return; + } + gobuf->state = BUF_STATE_QUEUED; + spin_lock_irqsave(&go->spinlock, flags); + list_add_tail(&gobuf->stream, &go->stream); + spin_unlock_irqrestore(&go->spinlock, flags); + up(&gofh->lock); + return 0; + } + case VIDIOC_DQBUF: + { + struct v4l2_buffer *buf = arg; + struct go7007_buffer *gobuf; + u32 frame_type_flag; + DEFINE_WAIT(wait); + + if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (buf->memory != V4L2_MEMORY_MMAP) + return -EINVAL; + down(&gofh->lock); + retval = -EINVAL; + if (list_empty(&go->stream)) + goto unlock_and_return; + gobuf = list_entry(go->stream.next, + struct go7007_buffer, stream); + retval = -EAGAIN; + if (gobuf->state != BUF_STATE_DONE && + !(file->f_flags & O_NONBLOCK)) { + for (;;) { + prepare_to_wait(&go->frame_waitq, &wait, + TASK_INTERRUPTIBLE); + if (gobuf->state == BUF_STATE_DONE) + break; + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + schedule(); + } + finish_wait(&go->frame_waitq, &wait); + } + if (gobuf->state != BUF_STATE_DONE) + goto unlock_and_return; + spin_lock_irqsave(&go->spinlock, flags); + deactivate_buffer(gobuf); + spin_unlock_irqrestore(&go->spinlock, flags); + frame_type_flag = get_frame_type_flag(gobuf, go->format); + gobuf->state = BUF_STATE_IDLE; + memset(buf, 0, sizeof(*buf)); + buf->index = gobuf->index; + buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + buf->bytesused = gobuf->bytesused; + buf->flags = V4L2_BUF_FLAG_MAPPED | frame_type_flag; + buf->field = V4L2_FIELD_NONE; + buf->timestamp = gobuf->timestamp; + buf->sequence = gobuf->seq; + buf->memory = V4L2_MEMORY_MMAP; + buf->m.offset = gobuf->index * GO7007_BUF_SIZE; + buf->length = GO7007_BUF_SIZE; + buf->reserved = gobuf->modet_active; + up(&gofh->lock); + return 0; + } + case VIDIOC_STREAMON: + { + unsigned int *type = arg; + + if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + down(&gofh->lock); + down(&go->hw_lock); + if (!go->streaming) { + go->streaming = 1; + go->next_seq = 0; + go->active_buf = NULL; + if (go7007_start_encoder(go) < 0) + retval = -EIO; + else + retval = 0; + } + up(&go->hw_lock); + up(&gofh->lock); + return retval; + } + case VIDIOC_STREAMOFF: + { + unsigned int *type = arg; + + if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + down(&gofh->lock); + go7007_streamoff(go); + up(&gofh->lock); + return 0; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + u32 id; + + if (!go->i2c_adapter_online) + return -EIO; + id = ctrl->id; + memset(ctrl, 0, sizeof(*ctrl)); + ctrl->id = id; + i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, arg); + return ctrl->name[0] == 0 ? -EINVAL : 0; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + struct v4l2_queryctrl query; + + if (!go->i2c_adapter_online) + return -EIO; + memset(&query, 0, sizeof(query)); + query.id = ctrl->id; + i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, &query); + if (query.name[0] == 0) + return -EINVAL; + i2c_clients_command(&go->i2c_adapter, VIDIOC_G_CTRL, arg); + return 0; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + struct v4l2_queryctrl query; + + if (!go->i2c_adapter_online) + return -EIO; + memset(&query, 0, sizeof(query)); + query.id = ctrl->id; + i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, &query); + if (query.name[0] == 0) + return -EINVAL; + i2c_clients_command(&go->i2c_adapter, VIDIOC_S_CTRL, arg); + return 0; + } + case VIDIOC_G_PARM: + { + struct v4l2_streamparm *parm = arg; + struct v4l2_fract timeperframe = { + .numerator = 1001 * go->fps_scale, + .denominator = go->sensor_framerate, + }; + + if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + memset(parm, 0, sizeof(*parm)); + parm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + parm->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME; + parm->parm.capture.timeperframe = timeperframe; + return 0; + } + case VIDIOC_S_PARM: + { + struct v4l2_streamparm *parm = arg; + unsigned int n, d; + + if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (parm->parm.capture.capturemode != 0) + return -EINVAL; + n = go->sensor_framerate * + parm->parm.capture.timeperframe.numerator; + d = 1001 * parm->parm.capture.timeperframe.denominator; + if (n != 0 && d != 0 && n > d) + go->fps_scale = (n + d/2) / d; + else + go->fps_scale = 1; + return 0; + } + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *std = arg; + + if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && + go->input == go->board_info->num_inputs - 1) { + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, + VIDIOC_ENUMSTD, arg); + if (!std->id) /* hack to indicate EINVAL from tuner */ + return -EINVAL; + } else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) { + switch (std->index) { + case 0: + v4l2_video_std_construct(std, + V4L2_STD_NTSC, "NTSC"); + break; + case 1: + v4l2_video_std_construct(std, + V4L2_STD_PAL | V4L2_STD_SECAM, + "PAL/SECAM"); + break; + default: + return -EINVAL; + } + } else { + if (std->index != 0) + return -EINVAL; + memset(std, 0, sizeof(*std)); + snprintf(std->name, sizeof(std->name), "%dx%d, %dfps", + go->board_info->sensor_width, + go->board_info->sensor_height, + go->board_info->sensor_framerate / 1000); + std->frameperiod.numerator = 1001; + std->frameperiod.denominator = + go->board_info->sensor_framerate; + } + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *std = arg; + + if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && + go->input == go->board_info->num_inputs - 1) { + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, + VIDIOC_G_STD, arg); + } else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) { + if (go->standard == GO7007_STD_NTSC) + *std = V4L2_STD_NTSC; + else + *std = V4L2_STD_PAL | V4L2_STD_SECAM; + } else + *std = 0; + return 0; + } + case VIDIOC_S_STD: + { + v4l2_std_id *std = arg; + int norm; + + if (go->streaming) + return -EBUSY; + if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) && + *std != 0) + return -EINVAL; + if (*std == 0) + return -EINVAL; + if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && + go->input == go->board_info->num_inputs - 1) { + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, + VIDIOC_S_STD, arg); + if (!*std) /* hack to indicate EINVAL from tuner */ + return -EINVAL; + } + if (*std & V4L2_STD_NTSC) { + go->standard = GO7007_STD_NTSC; + go->sensor_framerate = 30000; + norm = VIDEO_MODE_NTSC; + } else if (*std & V4L2_STD_PAL) { + go->standard = GO7007_STD_PAL; + go->sensor_framerate = 25025; + norm = VIDEO_MODE_PAL; + } else if (*std & V4L2_STD_SECAM) { + go->standard = GO7007_STD_PAL; + go->sensor_framerate = 25025; + norm = VIDEO_MODE_SECAM; + } else + return -EINVAL; + if (go->i2c_adapter_online) + i2c_clients_command(&go->i2c_adapter, + DECODER_SET_NORM, &norm); + set_capture_size(go, NULL, 0); + return 0; + } + case VIDIOC_QUERYSTD: + { + v4l2_std_id *std = arg; + + if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && + go->input == go->board_info->num_inputs - 1) { + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, + VIDIOC_QUERYSTD, arg); + } else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) + *std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM; + else + *std = 0; + return 0; + } + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *inp = arg; + int index; + + if (inp->index >= go->board_info->num_inputs) + return -EINVAL; + index = inp->index; + memset(inp, 0, sizeof(*inp)); + inp->index = index; + strncpy(inp->name, go->board_info->inputs[index].name, + sizeof(inp->name)); + /* If this board has a tuner, it will be the last input */ + if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) && + index == go->board_info->num_inputs - 1) + inp->type = V4L2_INPUT_TYPE_TUNER; + else + inp->type = V4L2_INPUT_TYPE_CAMERA; + inp->audioset = 0; + inp->tuner = 0; + if (go->board_info->sensor_flags & GO7007_SENSOR_TV) + inp->std = V4L2_STD_NTSC | V4L2_STD_PAL | + V4L2_STD_SECAM; + else + inp->std = 0; + return 0; + } + case VIDIOC_G_INPUT: + { + int *input = arg; + + *input = go->input; + return 0; + } + case VIDIOC_S_INPUT: + { + int *input = arg; + + if (*input >= go->board_info->num_inputs) + return -EINVAL; + if (go->streaming) + return -EBUSY; + go->input = *input; + if (go->i2c_adapter_online) { + i2c_clients_command(&go->i2c_adapter, DECODER_SET_INPUT, + &go->board_info->inputs[*input].video_input); + i2c_clients_command(&go->i2c_adapter, VIDIOC_S_AUDIO, + &go->board_info->inputs[*input].audio_input); + } + return 0; + } + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + + if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) + return -EINVAL; + if (t->index != 0) + return -EINVAL; + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, VIDIOC_G_TUNER, arg); + t->index = 0; + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *t = arg; + + if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) + return -EINVAL; + if (t->index != 0) + return -EINVAL; + if (!go->i2c_adapter_online) + return -EIO; + switch (go->board_id) { + case GO7007_BOARDID_PX_TV402U_NA: + case GO7007_BOARDID_PX_TV402U_JP: + /* No selectable options currently */ + if (t->audmode != V4L2_TUNER_MODE_STEREO) + return -EINVAL; + break; + } + i2c_clients_command(&go->i2c_adapter, VIDIOC_S_TUNER, arg); + return 0; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) + return -EINVAL; + if (!go->i2c_adapter_online) + return -EIO; + memset(f, 0, sizeof(*f)); + f->type = V4L2_TUNER_ANALOG_TV; + i2c_clients_command(&go->i2c_adapter, VIDIOC_G_FREQUENCY, arg); + return 0; + } + case VIDIOC_S_FREQUENCY: + { + if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER)) + return -EINVAL; + if (!go->i2c_adapter_online) + return -EIO; + i2c_clients_command(&go->i2c_adapter, VIDIOC_S_FREQUENCY, arg); + return 0; + } + case VIDIOC_CROPCAP: + { + struct v4l2_cropcap *cropcap = arg; + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + memset(cropcap, 0, sizeof(*cropcap)); + cropcap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + /* These specify the raw input of the sensor */ + switch (go->standard) { + case GO7007_STD_NTSC: + cropcap->bounds.top = 0; + cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = 480; + cropcap->defrect.top = 0; + cropcap->defrect.left = 0; + cropcap->defrect.width = 720; + cropcap->defrect.height = 480; + break; + case GO7007_STD_PAL: + cropcap->bounds.top = 0; + cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = 576; + cropcap->defrect.top = 0; + cropcap->defrect.left = 0; + cropcap->defrect.width = 720; + cropcap->defrect.height = 576; + break; + case GO7007_STD_OTHER: + cropcap->bounds.top = 0; + cropcap->bounds.left = 0; + cropcap->bounds.width = go->board_info->sensor_width; + cropcap->bounds.height = go->board_info->sensor_height; + cropcap->defrect.top = 0; + cropcap->defrect.left = 0; + cropcap->defrect.width = go->board_info->sensor_width; + cropcap->defrect.height = go->board_info->sensor_height; + break; + } + + return 0; + } + case VIDIOC_G_CROP: + { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + memset(crop, 0, sizeof(*crop)); + crop->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + /* These specify the raw input of the sensor */ + switch (go->standard) { + case GO7007_STD_NTSC: + crop->c.top = 0; + crop->c.left = 0; + crop->c.width = 720; + crop->c.height = 480; + break; + case GO7007_STD_PAL: + crop->c.top = 0; + crop->c.left = 0; + crop->c.width = 720; + crop->c.height = 576; + break; + case GO7007_STD_OTHER: + crop->c.top = 0; + crop->c.left = 0; + crop->c.width = go->board_info->sensor_width; + crop->c.height = go->board_info->sensor_height; + break; + } + + return 0; + } + case VIDIOC_S_CROP: + { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return 0; + } + case VIDIOC_G_JPEGCOMP: + { + struct v4l2_jpegcompression *params = arg; + + memset(params, 0, sizeof(*params)); + params->quality = 50; /* ?? */ + params->jpeg_markers = V4L2_JPEG_MARKER_DHT | + V4L2_JPEG_MARKER_DQT; + + return 0; + } + case VIDIOC_S_JPEGCOMP: + { + struct v4l2_jpegcompression *params = arg; + + if (params->quality != 50 || + params->jpeg_markers != (V4L2_JPEG_MARKER_DHT | + V4L2_JPEG_MARKER_DQT)) + return -EINVAL; + return 0; + } + /* Temporary ioctls for controlling compression characteristics */ + case GO7007IOC_S_BITRATE: + { + int *bitrate = arg; + + if (go->streaming) + return -EINVAL; + /* Upper bound is kind of arbitrary here */ + if (*bitrate < 64000 || *bitrate > 10000000) + return -EINVAL; + go->bitrate = *bitrate; + return 0; + } + case GO7007IOC_G_BITRATE: + { + int *bitrate = arg; + + *bitrate = go->bitrate; + return 0; + } + case GO7007IOC_S_COMP_PARAMS: + { + struct go7007_comp_params *comp = arg; + + if (go->format == GO7007_FORMAT_MJPEG) + return -EINVAL; + if (comp->gop_size > 0) + go->gop_size = comp->gop_size; + else + go->gop_size = go->sensor_framerate / 1000; + if (go->gop_size != 15) + go->dvd_mode = 0; + /*go->ipb = comp->max_b_frames > 0;*/ /* completely untested */ + if (go->board_info->sensor_flags & GO7007_SENSOR_TV) { + switch (comp->aspect_ratio) { + case GO7007_ASPECT_RATIO_4_3_NTSC: + case GO7007_ASPECT_RATIO_4_3_PAL: + go->aspect_ratio = GO7007_RATIO_4_3; + break; + case GO7007_ASPECT_RATIO_16_9_NTSC: + case GO7007_ASPECT_RATIO_16_9_PAL: + go->aspect_ratio = GO7007_RATIO_16_9; + break; + default: + go->aspect_ratio = GO7007_RATIO_1_1; + break; + } + } + if (comp->flags & GO7007_COMP_OMIT_SEQ_HEADER) { + go->dvd_mode = 0; + go->seq_header_enable = 0; + } else { + go->seq_header_enable = 1; + } + /* fall-through */ + } + case GO7007IOC_G_COMP_PARAMS: + { + struct go7007_comp_params *comp = arg; + + if (go->format == GO7007_FORMAT_MJPEG) + return -EINVAL; + memset(comp, 0, sizeof(*comp)); + comp->gop_size = go->gop_size; + comp->max_b_frames = go->ipb ? 2 : 0; + switch (go->aspect_ratio) { + case GO7007_RATIO_4_3: + if (go->standard == GO7007_STD_NTSC) + comp->aspect_ratio = + GO7007_ASPECT_RATIO_4_3_NTSC; + else + comp->aspect_ratio = + GO7007_ASPECT_RATIO_4_3_PAL; + break; + case GO7007_RATIO_16_9: + if (go->standard == GO7007_STD_NTSC) + comp->aspect_ratio = + GO7007_ASPECT_RATIO_16_9_NTSC; + else + comp->aspect_ratio = + GO7007_ASPECT_RATIO_16_9_PAL; + break; + default: + comp->aspect_ratio = GO7007_ASPECT_RATIO_1_1; + break; + } + if (go->closed_gop) + comp->flags |= GO7007_COMP_CLOSED_GOP; + if (!go->seq_header_enable) + comp->flags |= GO7007_COMP_OMIT_SEQ_HEADER; + return 0; + } + case GO7007IOC_S_MPEG_PARAMS: + { + struct go7007_mpeg_params *mpeg = arg; + + if (go->format != GO7007_FORMAT_MPEG1 && + go->format != GO7007_FORMAT_MPEG2 && + go->format != GO7007_FORMAT_MPEG4) + return -EINVAL; + + if (mpeg->flags & GO7007_MPEG_FORCE_DVD_MODE) { + go->format = GO7007_FORMAT_MPEG2; + go->bitrate = 9800000; + go->gop_size = 15; + go->pali = 0x48; + go->closed_gop = 1; + go->repeat_seqhead = 0; + go->seq_header_enable = 1; + go->gop_header_enable = 1; + go->dvd_mode = 1; + } else { + switch (mpeg->mpeg_video_standard) { + case GO7007_MPEG_VIDEO_MPEG1: + go->format = GO7007_FORMAT_MPEG1; + go->pali = 0; + break; + case GO7007_MPEG_VIDEO_MPEG2: + go->format = GO7007_FORMAT_MPEG2; + if (mpeg->pali >> 24 == 2) + go->pali = mpeg->pali & 0xff; + else + go->pali = 0x48; + break; + case GO7007_MPEG_VIDEO_MPEG4: + go->format = GO7007_FORMAT_MPEG4; + if (mpeg->pali >> 24 == 4) + go->pali = mpeg->pali & 0xff; + else + go->pali = 0xf5; + break; + default: + return -EINVAL; + } + go->gop_header_enable = + mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER + ? 0 : 1; + if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER) + go->repeat_seqhead = 1; + else + go->repeat_seqhead = 0; + go->dvd_mode = 0; + } + /* fall-through */ + } + case GO7007IOC_G_MPEG_PARAMS: + { + struct go7007_mpeg_params *mpeg = arg; + + memset(mpeg, 0, sizeof(*mpeg)); + switch (go->format) { + case GO7007_FORMAT_MPEG1: + mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG1; + mpeg->pali = 0; + break; + case GO7007_FORMAT_MPEG2: + mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG2; + mpeg->pali = GO7007_MPEG_PROFILE(2, go->pali); + break; + case GO7007_FORMAT_MPEG4: + mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG4; + mpeg->pali = GO7007_MPEG_PROFILE(4, go->pali); + break; + default: + return -EINVAL; + } + if (!go->gop_header_enable) + mpeg->flags |= GO7007_MPEG_OMIT_GOP_HEADER; + if (go->repeat_seqhead) + mpeg->flags |= GO7007_MPEG_REPEAT_SEQHEADER; + if (go->dvd_mode) + mpeg->flags |= GO7007_MPEG_FORCE_DVD_MODE; + return 0; + } + case GO7007IOC_S_MD_PARAMS: + { + struct go7007_md_params *mdp = arg; + + if (mdp->region > 3) + return -EINVAL; + if (mdp->trigger > 0) { + go->modet[mdp->region].pixel_threshold = + mdp->pixel_threshold >> 1; + go->modet[mdp->region].motion_threshold = + mdp->motion_threshold >> 1; + go->modet[mdp->region].mb_threshold = + mdp->trigger >> 1; + go->modet[mdp->region].enable = 1; + } else + go->modet[mdp->region].enable = 0; + /* fall-through */ + } + case GO7007IOC_G_MD_PARAMS: + { + struct go7007_md_params *mdp = arg; + int region = mdp->region; + + if (mdp->region > 3) + return -EINVAL; + memset(mdp, 0, sizeof(struct go7007_md_params)); + mdp->region = region; + if (!go->modet[region].enable) + return 0; + mdp->pixel_threshold = + (go->modet[region].pixel_threshold << 1) + 1; + mdp->motion_threshold = + (go->modet[region].motion_threshold << 1) + 1; + mdp->trigger = + (go->modet[region].mb_threshold << 1) + 1; + return 0; + } + case GO7007IOC_S_MD_REGION: + { + struct go7007_md_region *region = arg; + + if (region->region < 1 || region->region > 3) + return -EINVAL; + return clip_to_modet_map(go, region->region, region->clips); + } + default: + printk(KERN_DEBUG "go7007: unsupported ioctl %d\n", cmd); + return -ENOIOCTLCMD; + } + return 0; + +unlock_and_return: + up(&gofh->lock); + return retval; +} + +static int go7007_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct go7007_file *gofh = file->private_data; + + if (gofh->go->status != STATUS_ONLINE) + return -EIO; + + return video_usercopy(inode, file, cmd, arg, go7007_do_ioctl); +} + +static ssize_t go7007_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + return -EINVAL; +} + +static void go7007_vm_open(struct vm_area_struct *vma) +{ + struct go7007_buffer *gobuf = vma->vm_private_data; + + ++gobuf->mapped; +} + +static void go7007_vm_close(struct vm_area_struct *vma) +{ + struct go7007_buffer *gobuf = vma->vm_private_data; + unsigned long flags; + + if (--gobuf->mapped == 0) { + spin_lock_irqsave(&gobuf->go->spinlock, flags); + deactivate_buffer(gobuf); + spin_unlock_irqrestore(&gobuf->go->spinlock, flags); + } +} + +/* Copied from videobuf-dma-sg.c */ +static int go7007_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +{ + struct page *page; + + page = alloc_page(GFP_USER | __GFP_DMA32); + if (!page) + return VM_FAULT_OOM; + clear_user_page(page_address(page), (unsigned long)vmf->virtual_address, + page); + vmf->page = page; + return 0; +} + +static struct vm_operations_struct go7007_vm_ops = { + .open = go7007_vm_open, + .close = go7007_vm_close, + .fault = go7007_vm_fault, +}; + +static int go7007_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct go7007_file *gofh = file->private_data; + unsigned int index; + + if (gofh->go->status != STATUS_ONLINE) + return -EIO; + if (!(vma->vm_flags & VM_SHARED)) + return -EINVAL; /* only support VM_SHARED mapping */ + if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE) + return -EINVAL; /* must map exactly one full buffer */ + down(&gofh->lock); + index = vma->vm_pgoff / GO7007_BUF_PAGES; + if (index >= gofh->buf_count) { + up(&gofh->lock); + return -EINVAL; /* trying to map beyond requested buffers */ + } + if (index * GO7007_BUF_PAGES != vma->vm_pgoff) { + up(&gofh->lock); + return -EINVAL; /* offset is not aligned on buffer boundary */ + } + if (gofh->bufs[index].mapped > 0) { + up(&gofh->lock); + return -EBUSY; + } + gofh->bufs[index].mapped = 1; + gofh->bufs[index].user_addr = vma->vm_start; + vma->vm_ops = &go7007_vm_ops; + vma->vm_flags |= VM_DONTEXPAND; + vma->vm_flags &= ~VM_IO; + vma->vm_private_data = &gofh->bufs[index]; + up(&gofh->lock); + return 0; +} + +static unsigned int go7007_poll(struct file *file, poll_table *wait) +{ + struct go7007_file *gofh = file->private_data; + struct go7007_buffer *gobuf; + + if (list_empty(&gofh->go->stream)) + return POLLERR; + gobuf = list_entry(gofh->go->stream.next, struct go7007_buffer, stream); + poll_wait(file, &gofh->go->frame_waitq, wait); + if (gobuf->state == BUF_STATE_DONE) + return POLLIN | POLLRDNORM; + return 0; +} + +static void go7007_vfl_release(struct video_device *vfd) +{ + struct go7007 *go = video_get_drvdata(vfd); + + video_device_release(vfd); + if (--go->ref_count == 0) + kfree(go); +} + +static struct file_operations go7007_fops = { + .owner = THIS_MODULE, + .open = go7007_open, + .release = go7007_release, + .ioctl = go7007_ioctl, + .llseek = no_llseek, + .read = go7007_read, + .mmap = go7007_mmap, + .poll = go7007_poll, +}; + +static struct video_device go7007_template = { + .name = "go7007", + .fops = &go7007_fops, + .minor = -1, + .release = go7007_vfl_release, +}; + +int go7007_v4l2_init(struct go7007 *go) +{ + int rv; + + go->video_dev = video_device_alloc(); + if (go->video_dev == NULL) + return -ENOMEM; + memcpy(go->video_dev, &go7007_template, sizeof(go7007_template)); + go->video_dev->parent = go->dev; + rv = video_register_device(go->video_dev, VFL_TYPE_GRABBER, -1); + if (rv < 0) { + video_device_release(go->video_dev); + go->video_dev = NULL; + return rv; + } + video_set_drvdata(go->video_dev, go); + ++go->ref_count; + + return 0; +} + +void go7007_v4l2_remove(struct go7007 *go) +{ + unsigned long flags; + + down(&go->hw_lock); + if (go->streaming) { + go->streaming = 0; + go7007_stream_stop(go); + spin_lock_irqsave(&go->spinlock, flags); + abort_queued(go); + spin_unlock_irqrestore(&go->spinlock, flags); + } + up(&go->hw_lock); + if (go->video_dev) + video_unregister_device(go->video_dev); +} diff --git a/drivers/staging/go7007/go7007.h b/drivers/staging/go7007/go7007.h new file mode 100644 index 000000000000..7399c915a934 --- /dev/null +++ b/drivers/staging/go7007/go7007.h @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and the associated README documentation file (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* DEPRECATED -- use V4L2_PIX_FMT_MPEG and then call GO7007IOC_S_MPEG_PARAMS + * to select between MPEG1, MPEG2, and MPEG4 */ +#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG4 */ + +/* These will be replaced with a better interface + * soon, so don't get too attached to them */ +#define GO7007IOC_S_BITRATE _IOW('V', BASE_VIDIOC_PRIVATE + 0, int) +#define GO7007IOC_G_BITRATE _IOR('V', BASE_VIDIOC_PRIVATE + 1, int) + +enum go7007_aspect_ratio { + GO7007_ASPECT_RATIO_1_1 = 0, + GO7007_ASPECT_RATIO_4_3_NTSC = 1, + GO7007_ASPECT_RATIO_4_3_PAL = 2, + GO7007_ASPECT_RATIO_16_9_NTSC = 3, + GO7007_ASPECT_RATIO_16_9_PAL = 4, +}; + +/* Used to set generic compression parameters */ +struct go7007_comp_params { + __u32 gop_size; + __u32 max_b_frames; + enum go7007_aspect_ratio aspect_ratio; + __u32 flags; + __u32 reserved[8]; +}; + +#define GO7007_COMP_CLOSED_GOP 0x00000001 +#define GO7007_COMP_OMIT_SEQ_HEADER 0x00000002 + +enum go7007_mpeg_video_standard { + GO7007_MPEG_VIDEO_MPEG1 = 0, + GO7007_MPEG_VIDEO_MPEG2 = 1, + GO7007_MPEG_VIDEO_MPEG4 = 2, +}; + +/* Used to set parameters for V4L2_PIX_FMT_MPEG format */ +struct go7007_mpeg_params { + enum go7007_mpeg_video_standard mpeg_video_standard; + __u32 flags; + __u32 pali; + __u32 reserved[8]; +}; + +#define GO7007_MPEG_FORCE_DVD_MODE 0x00000001 +#define GO7007_MPEG_OMIT_GOP_HEADER 0x00000002 +#define GO7007_MPEG_REPEAT_SEQHEADER 0x00000004 + +#define GO7007_MPEG_PROFILE(format, pali) (((format)<<24)|(pali)) + +#define GO7007_MPEG2_PROFILE_MAIN_MAIN GO7007_MPEG_PROFILE(2, 0x48) + +#define GO7007_MPEG4_PROFILE_S_L0 GO7007_MPEG_PROFILE(4, 0x08) +#define GO7007_MPEG4_PROFILE_S_L1 GO7007_MPEG_PROFILE(4, 0x01) +#define GO7007_MPEG4_PROFILE_S_L2 GO7007_MPEG_PROFILE(4, 0x02) +#define GO7007_MPEG4_PROFILE_S_L3 GO7007_MPEG_PROFILE(4, 0x03) +#define GO7007_MPEG4_PROFILE_ARTS_L1 GO7007_MPEG_PROFILE(4, 0x91) +#define GO7007_MPEG4_PROFILE_ARTS_L2 GO7007_MPEG_PROFILE(4, 0x92) +#define GO7007_MPEG4_PROFILE_ARTS_L3 GO7007_MPEG_PROFILE(4, 0x93) +#define GO7007_MPEG4_PROFILE_ARTS_L4 GO7007_MPEG_PROFILE(4, 0x94) +#define GO7007_MPEG4_PROFILE_AS_L0 GO7007_MPEG_PROFILE(4, 0xf0) +#define GO7007_MPEG4_PROFILE_AS_L1 GO7007_MPEG_PROFILE(4, 0xf1) +#define GO7007_MPEG4_PROFILE_AS_L2 GO7007_MPEG_PROFILE(4, 0xf2) +#define GO7007_MPEG4_PROFILE_AS_L3 GO7007_MPEG_PROFILE(4, 0xf3) +#define GO7007_MPEG4_PROFILE_AS_L4 GO7007_MPEG_PROFILE(4, 0xf4) +#define GO7007_MPEG4_PROFILE_AS_L5 GO7007_MPEG_PROFILE(4, 0xf5) + +struct go7007_md_params { + __u16 region; + __u16 trigger; + __u16 pixel_threshold; + __u16 motion_threshold; + __u32 reserved[8]; +}; + +struct go7007_md_region { + __u16 region; + __u16 flags; + struct v4l2_clip *clips; + __u32 reserved[8]; +}; + +#define GO7007IOC_S_MPEG_PARAMS _IOWR('V', BASE_VIDIOC_PRIVATE + 2, \ + struct go7007_mpeg_params) +#define GO7007IOC_G_MPEG_PARAMS _IOR('V', BASE_VIDIOC_PRIVATE + 3, \ + struct go7007_mpeg_params) +#define GO7007IOC_S_COMP_PARAMS _IOWR('V', BASE_VIDIOC_PRIVATE + 4, \ + struct go7007_comp_params) +#define GO7007IOC_G_COMP_PARAMS _IOR('V', BASE_VIDIOC_PRIVATE + 5, \ + struct go7007_comp_params) +#define GO7007IOC_S_MD_PARAMS _IOWR('V', BASE_VIDIOC_PRIVATE + 6, \ + struct go7007_md_params) +#define GO7007IOC_G_MD_PARAMS _IOR('V', BASE_VIDIOC_PRIVATE + 7, \ + struct go7007_md_params) +#define GO7007IOC_S_MD_REGION _IOW('V', BASE_VIDIOC_PRIVATE + 8, \ + struct go7007_md_region) diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c new file mode 100644 index 000000000000..c4a6d8ef9078 --- /dev/null +++ b/drivers/staging/go7007/saa7134-go7007.c @@ -0,0 +1,484 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "saa7134-reg.h" +#include "saa7134.h" +#include "go7007-priv.h" + +#define GO7007_HPI_DEBUG + +enum hpi_address { + HPI_ADDR_VIDEO_BUFFER = 0xe4, + HPI_ADDR_INIT_BUFFER = 0xea, + HPI_ADDR_INTR_RET_VALUE = 0xee, + HPI_ADDR_INTR_RET_DATA = 0xec, + HPI_ADDR_INTR_STATUS = 0xf4, + HPI_ADDR_INTR_WR_PARAM = 0xf6, + HPI_ADDR_INTR_WR_INDEX = 0xf8, +}; + +enum gpio_command { + GPIO_COMMAND_RESET = 0x00, /* 000b */ + GPIO_COMMAND_REQ1 = 0x04, /* 001b */ + GPIO_COMMAND_WRITE = 0x20, /* 010b */ + GPIO_COMMAND_REQ2 = 0x24, /* 011b */ + GPIO_COMMAND_READ = 0x80, /* 100b */ + GPIO_COMMAND_VIDEO = 0x84, /* 101b */ + GPIO_COMMAND_IDLE = 0xA0, /* 110b */ + GPIO_COMMAND_ADDR = 0xA4, /* 111b */ +}; + +struct saa7134_go7007 { + struct saa7134_dev *dev; + u8 *top; + u8 *bottom; + dma_addr_t top_dma; + dma_addr_t bottom_dma; +}; + +static struct go7007_board_info board_voyager = { + .firmware = "go7007tv.bin", + .flags = 0, + .sensor_flags = GO7007_SENSOR_656 | + GO7007_SENSOR_VALID_ENABLE | + GO7007_SENSOR_TV | + GO7007_SENSOR_VBI, + .audio_flags = GO7007_AUDIO_I2S_MODE_1 | + GO7007_AUDIO_WORD_16, + .audio_rate = 48000, + .audio_bclk_div = 8, + .audio_main_div = 2, + .hpi_buffer_cap = 7, + .num_inputs = 1, + .inputs = { + { + .name = "SAA7134", + }, + }, +}; + +/********************* Driver for GPIO HPI interface *********************/ + +static int gpio_write(struct saa7134_dev *dev, u8 addr, u16 data) +{ + saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); + + /* Write HPI address */ + saa_writeb(SAA7134_GPIO_GPSTATUS0, addr); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + /* Write low byte */ + saa_writeb(SAA7134_GPIO_GPSTATUS0, data & 0xff); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + /* Write high byte */ + saa_writeb(SAA7134_GPIO_GPSTATUS0, data >> 8); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + return 0; +} + +static int gpio_read(struct saa7134_dev *dev, u8 addr, u16 *data) +{ + saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); + + /* Write HPI address */ + saa_writeb(SAA7134_GPIO_GPSTATUS0, addr); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + saa_writeb(SAA7134_GPIO_GPMODE0, 0x00); + + /* Read low byte */ + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ); + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + *data = saa_readb(SAA7134_GPIO_GPSTATUS0); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + /* Read high byte */ + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ); + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + *data |= saa_readb(SAA7134_GPIO_GPSTATUS0) << 8; + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + + return 0; +} + +static int saa7134_go7007_interface_reset(struct go7007 *go) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + u32 status; + u16 intr_val, intr_data; + int count = 20; + + saa_clearb(SAA7134_TS_PARALLEL, 0x80); /* Disable TS interface */ + saa_writeb(SAA7134_GPIO_GPMODE2, 0xa4); + saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); + + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_RESET); + msleep(1); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2); + msleep(10); + + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + + status = saa_readb(SAA7134_GPIO_GPSTATUS2); + /*printk(KERN_DEBUG "status is %s\n", status & 0x40 ? "OK" : "not OK"); */ + + /* enter command mode...(?) */ + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2); + + do { + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + status = saa_readb(SAA7134_GPIO_GPSTATUS2); + /*printk(KERN_INFO "gpio is %08x\n", saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)); */ + } while (--count > 0); + + /* Wait for an interrupt to indicate successful hardware reset */ + if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || + (intr_val & ~0x1) != 0x55aa) { + printk(KERN_ERR + "saa7134-go7007: unable to reset the GO7007\n"); + return -1; + } + return 0; +} + +static int saa7134_go7007_write_interrupt(struct go7007 *go, int addr, int data) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + int i; + u16 status_reg; + +#ifdef GO7007_HPI_DEBUG + printk(KERN_DEBUG + "saa7134-go7007: WriteInterrupt: %04x %04x\n", addr, data); +#endif + + for (i = 0; i < 100; ++i) { + gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg); + if (!(status_reg & 0x0010)) + break; + msleep(10); + } + if (i == 100) { + printk(KERN_ERR + "saa7134-go7007: device is hung, status reg = 0x%04x\n", + status_reg); + return -1; + } + gpio_write(dev, HPI_ADDR_INTR_WR_PARAM, data); + gpio_write(dev, HPI_ADDR_INTR_WR_INDEX, addr); + + return 0; +} + +static int saa7134_go7007_read_interrupt(struct go7007 *go) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + + /* XXX we need to wait if there is no interrupt available */ + go->interrupt_available = 1; + gpio_read(dev, HPI_ADDR_INTR_RET_VALUE, &go->interrupt_value); + gpio_read(dev, HPI_ADDR_INTR_RET_DATA, &go->interrupt_data); +#ifdef GO7007_HPI_DEBUG + printk(KERN_DEBUG "saa7134-go7007: ReadInterrupt: %04x %04x\n", + go->interrupt_value, go->interrupt_data); +#endif + return 0; +} + +static void saa7134_go7007_irq_ts_done(struct saa7134_dev *dev, + unsigned long status) +{ + struct go7007 *go = video_get_drvdata(dev->empress_dev); + struct saa7134_go7007 *saa = go->hpi_context; + + if (!go->streaming) + return; + if (0 != (status & 0x000f0000)) + printk(KERN_DEBUG "saa7134-go7007: irq: lost %ld\n", + (status >> 16) & 0x0f); + if (status & 0x100000) { + dma_sync_single(&dev->pci->dev, + saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE); + go7007_parse_video_stream(go, saa->bottom, PAGE_SIZE); + saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma)); + } else { + dma_sync_single(&dev->pci->dev, + saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE); + go7007_parse_video_stream(go, saa->top, PAGE_SIZE); + saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma)); + } +} + +static int saa7134_go7007_stream_start(struct go7007 *go) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + + saa->top_dma = dma_map_page(&dev->pci->dev, virt_to_page(saa->top), + 0, PAGE_SIZE, DMA_FROM_DEVICE); + if (!saa->top_dma) + return -ENOMEM; + saa->bottom_dma = dma_map_page(&dev->pci->dev, + virt_to_page(saa->bottom), + 0, PAGE_SIZE, DMA_FROM_DEVICE); + if (!saa->bottom_dma) { + dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE, + DMA_FROM_DEVICE); + return -ENOMEM; + } + + saa_writel(SAA7134_VIDEO_PORT_CTRL0 >> 2, 0xA300B000); + saa_writel(SAA7134_VIDEO_PORT_CTRL4 >> 2, 0x40000200); + + /* Set HPI interface for video */ + saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); + saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_VIDEO_BUFFER); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); + saa_writeb(SAA7134_GPIO_GPMODE0, 0x00); + + /* Enable TS interface */ + saa_writeb(SAA7134_TS_PARALLEL, 0xe6); + + /* Reset TS interface */ + saa_setb(SAA7134_TS_SERIAL1, 0x01); + saa_clearb(SAA7134_TS_SERIAL1, 0x01); + + /* Set up transfer block size */ + saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 128 - 1); + saa_writeb(SAA7134_TS_DMA0, (PAGE_SIZE >> 7) - 1); + saa_writeb(SAA7134_TS_DMA1, 0); + saa_writeb(SAA7134_TS_DMA2, 0); + + /* Enable video streaming mode */ + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_VIDEO); + + saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma)); + saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma)); + saa_writel(SAA7134_RS_PITCH(5), 128); + saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_MAX); + + /* Enable TS FIFO */ + saa_setl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5); + + /* Enable DMA IRQ */ + saa_setl(SAA7134_IRQ1, + SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0); + + return 0; +} + +static int saa7134_go7007_stream_stop(struct go7007 *go) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + + /* Shut down TS FIFO */ + saa_clearl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5); + + /* Disable DMA IRQ */ + saa_clearl(SAA7134_IRQ1, + SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0); + + /* Disable TS interface */ + saa_clearb(SAA7134_TS_PARALLEL, 0x80); + + dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE, + DMA_FROM_DEVICE); + dma_unmap_page(&dev->pci->dev, saa->bottom_dma, PAGE_SIZE, + DMA_FROM_DEVICE); + + return 0; +} + +static int saa7134_go7007_send_firmware(struct go7007 *go, u8 *data, int len) +{ + struct saa7134_go7007 *saa = go->hpi_context; + struct saa7134_dev *dev = saa->dev; + u16 status_reg; + int i; + +#ifdef GO7007_HPI_DEBUG + printk(KERN_DEBUG "saa7134-go7007: DownloadBuffer " + "sending %d bytes\n", len); +#endif + + while (len > 0) { + i = len > 64 ? 64 : len; + saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); + saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_INIT_BUFFER); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + while (i-- > 0) { + saa_writeb(SAA7134_GPIO_GPSTATUS0, *data); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); + saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); + ++data; + --len; + } + for (i = 0; i < 100; ++i) { + gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg); + if (!(status_reg & 0x0002)) + break; + } + if (i == 100) { + printk(KERN_ERR "saa7134-go7007: device is hung, " + "status reg = 0x%04x\n", status_reg); + return -1; + } + } + return 0; +} + +static struct go7007_hpi_ops saa7134_go7007_hpi_ops = { + .interface_reset = saa7134_go7007_interface_reset, + .write_interrupt = saa7134_go7007_write_interrupt, + .read_interrupt = saa7134_go7007_read_interrupt, + .stream_start = saa7134_go7007_stream_start, + .stream_stop = saa7134_go7007_stream_stop, + .send_firmware = saa7134_go7007_send_firmware, +}; + +/********************* Add/remove functions *********************/ + +static int saa7134_go7007_init(struct saa7134_dev *dev) +{ + struct go7007 *go; + struct saa7134_go7007 *saa; + + printk(KERN_DEBUG "saa7134-go7007: probing new SAA713X board\n"); + + saa = kmalloc(sizeof(struct saa7134_go7007), GFP_KERNEL); + if (saa == NULL) + return -ENOMEM; + memset(saa, 0, sizeof(struct saa7134_go7007)); + + /* Allocate a couple pages for receiving the compressed stream */ + saa->top = (u8 *)get_zeroed_page(GFP_KERNEL); + if (!saa->top) + goto allocfail; + saa->bottom = (u8 *)get_zeroed_page(GFP_KERNEL); + if (!saa->bottom) + goto allocfail; + + go = go7007_alloc(&board_voyager, &dev->pci->dev); + if (go == NULL) + goto allocfail; + go->board_id = GO7007_BOARDID_PCI_VOYAGER; + strncpy(go->name, saa7134_boards[dev->board].name, sizeof(go->name)); + go->hpi_ops = &saa7134_go7007_hpi_ops; + go->hpi_context = saa; + saa->dev = dev; + + /* Boot the GO7007 */ + if (go7007_boot_encoder(go, go->board_info->flags & + GO7007_BOARD_USE_ONBOARD_I2C) < 0) + goto initfail; + + /* Do any final GO7007 initialization, then register the + * V4L2 and ALSA interfaces */ + if (go7007_register_encoder(go) < 0) + goto initfail; + dev->empress_dev = go->video_dev; + video_set_drvdata(dev->empress_dev, go); + + go->status = STATUS_ONLINE; + return 0; + +initfail: + go->status = STATUS_SHUTDOWN; + return 0; + +allocfail: + if (saa->top) + free_page((unsigned long)saa->top); + if (saa->bottom) + free_page((unsigned long)saa->bottom); + kfree(saa); + return -ENOMEM; +} + +static int saa7134_go7007_fini(struct saa7134_dev *dev) +{ + struct go7007 *go; + struct saa7134_go7007 *saa; + + if (NULL == dev->empress_dev) + return 0; + + go = video_get_drvdata(dev->empress_dev); + saa = go->hpi_context; + go->status = STATUS_SHUTDOWN; + free_page((unsigned long)saa->top); + free_page((unsigned long)saa->bottom); + kfree(saa); + go7007_remove(go); + dev->empress_dev = NULL; + + return 0; +} + +static struct saa7134_mpeg_ops saa7134_go7007_ops = { + .type = SAA7134_MPEG_GO7007, + .init = saa7134_go7007_init, + .fini = saa7134_go7007_fini, + .irq_ts_done = saa7134_go7007_irq_ts_done, +}; + +static int __init saa7134_go7007_mod_init(void) +{ + return saa7134_ts_register(&saa7134_go7007_ops); +} + +static void __exit saa7134_go7007_mod_cleanup(void) +{ + saa7134_ts_unregister(&saa7134_go7007_ops); +} + +module_init(saa7134_go7007_mod_init); +module_exit(saa7134_go7007_mod_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/snd-go7007.c b/drivers/staging/go7007/snd-go7007.c new file mode 100644 index 000000000000..f5cac08b07ea --- /dev/null +++ b/drivers/staging/go7007/snd-go7007.c @@ -0,0 +1,305 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "go7007-priv.h" + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; + +module_param_array(index, int, NULL, 0444); +module_param_array(id, charp, NULL, 0444); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for the go7007 audio driver"); +MODULE_PARM_DESC(index, "ID string for the go7007 audio driver"); +MODULE_PARM_DESC(index, "Enable for the go7007 audio driver"); + +struct go7007_snd { + struct snd_card *card; + struct snd_pcm *pcm; + struct snd_pcm_substream *substream; + spinlock_t lock; + int w_idx; + int hw_ptr; + int avail; + int capturing; +}; + +static struct snd_pcm_hardware go7007_snd_capture_hw = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (128*1024), + .period_bytes_min = 4096, + .period_bytes_max = (128*1024), + .periods_min = 1, + .periods_max = 32, +}; + +static void parse_audio_stream_data(struct go7007 *go, u8 *buf, int length) +{ + struct go7007_snd *gosnd = go->snd_context; + struct snd_pcm_runtime *runtime = gosnd->substream->runtime; + int frames = bytes_to_frames(runtime, length); + + spin_lock(&gosnd->lock); + gosnd->hw_ptr += frames; + if (gosnd->hw_ptr >= runtime->buffer_size) + gosnd->hw_ptr -= runtime->buffer_size; + gosnd->avail += frames; + spin_unlock(&gosnd->lock); + if (gosnd->w_idx + length > runtime->dma_bytes) { + int cpy = runtime->dma_bytes - gosnd->w_idx; + + memcpy(runtime->dma_area + gosnd->w_idx, buf, cpy); + length -= cpy; + buf += cpy; + gosnd->w_idx = 0; + } + memcpy(runtime->dma_area + gosnd->w_idx, buf, length); + gosnd->w_idx += length; + spin_lock(&gosnd->lock); + if (gosnd->avail < runtime->period_size) { + spin_unlock(&gosnd->lock); + return; + } + gosnd->avail -= runtime->period_size; + spin_unlock(&gosnd->lock); + if (gosnd->capturing) + snd_pcm_period_elapsed(gosnd->substream); +} + +static int go7007_snd_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + unsigned int bytes; + + bytes = params_buffer_bytes(hw_params); + if (substream->runtime->dma_bytes > 0) + vfree(substream->runtime->dma_area); + substream->runtime->dma_bytes = 0; + substream->runtime->dma_area = vmalloc(bytes); + if (substream->runtime->dma_area == NULL) + return -ENOMEM; + substream->runtime->dma_bytes = bytes; + go->audio_deliver = parse_audio_stream_data; + return 0; +} + +static int go7007_snd_hw_free(struct snd_pcm_substream *substream) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + + go->audio_deliver = NULL; + if (substream->runtime->dma_bytes > 0) + vfree(substream->runtime->dma_area); + substream->runtime->dma_bytes = 0; + return 0; +} + +static int go7007_snd_capture_open(struct snd_pcm_substream *substream) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + struct go7007_snd *gosnd = go->snd_context; + unsigned long flags; + int r; + + spin_lock_irqsave(&gosnd->lock, flags); + if (gosnd->substream == NULL) { + gosnd->substream = substream; + substream->runtime->hw = go7007_snd_capture_hw; + r = 0; + } else + r = -EBUSY; + spin_unlock_irqrestore(&gosnd->lock, flags); + return r; +} + +static int go7007_snd_capture_close(struct snd_pcm_substream *substream) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + struct go7007_snd *gosnd = go->snd_context; + + gosnd->substream = NULL; + return 0; +} + +static int go7007_snd_pcm_prepare(struct snd_pcm_substream *substream) +{ + return 0; +} + +static int go7007_snd_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + struct go7007_snd *gosnd = go->snd_context; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + /* Just set a flag to indicate we should signal ALSA when + * sound comes in */ + gosnd->capturing = 1; + return 0; + case SNDRV_PCM_TRIGGER_STOP: + gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; + gosnd->capturing = 0; + return 0; + default: + return -EINVAL; + } +} + +static snd_pcm_uframes_t go7007_snd_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct go7007 *go = snd_pcm_substream_chip(substream); + struct go7007_snd *gosnd = go->snd_context; + + return gosnd->hw_ptr; +} + +static struct page *go7007_snd_pcm_page(struct snd_pcm_substream *substream, + unsigned long offset) +{ + return vmalloc_to_page(substream->runtime->dma_area + offset); +} + +static struct snd_pcm_ops go7007_snd_capture_ops = { + .open = go7007_snd_capture_open, + .close = go7007_snd_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = go7007_snd_hw_params, + .hw_free = go7007_snd_hw_free, + .prepare = go7007_snd_pcm_prepare, + .trigger = go7007_snd_pcm_trigger, + .pointer = go7007_snd_pcm_pointer, + .page = go7007_snd_pcm_page, +}; + +static int go7007_snd_free(struct snd_device *device) +{ + struct go7007 *go = device->device_data; + + kfree(go->snd_context); + go->snd_context = NULL; + if (--go->ref_count == 0) + kfree(go); + return 0; +} + +static struct snd_device_ops go7007_snd_device_ops = { + .dev_free = go7007_snd_free, +}; + +int go7007_snd_init(struct go7007 *go) +{ + static int dev; + struct go7007_snd *gosnd; + int ret = 0; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + gosnd = kmalloc(sizeof(struct go7007_snd), GFP_KERNEL); + if (gosnd == NULL) + return -ENOMEM; + spin_lock_init(&gosnd->lock); + gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; + gosnd->capturing = 0; + gosnd->card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (gosnd->card == NULL) { + kfree(gosnd); + return -ENOMEM; + } + ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go, + &go7007_snd_device_ops); + if (ret < 0) { + kfree(gosnd); + return ret; + } + snd_card_set_dev(gosnd->card, go->dev); + ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm); + if (ret < 0) { + snd_card_free(gosnd->card); + kfree(gosnd); + return ret; + } + strncpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver)); + strncpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->driver)); + strncpy(gosnd->card->longname, gosnd->card->shortname, + sizeof(gosnd->card->longname)); + + gosnd->pcm->private_data = go; + snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE, + &go7007_snd_capture_ops); + + ret = snd_card_register(gosnd->card); + if (ret < 0) { + snd_card_free(gosnd->card); + kfree(gosnd); + return ret; + } + + gosnd->substream = NULL; + go->snd_context = gosnd; + ++dev; + ++go->ref_count; + + return 0; +} +EXPORT_SYMBOL(go7007_snd_init); + +int go7007_snd_remove(struct go7007 *go) +{ + struct go7007_snd *gosnd = go->snd_context; + + snd_card_disconnect(gosnd->card); + snd_card_free_when_closed(gosnd->card); + return 0; +} +EXPORT_SYMBOL(go7007_snd_remove); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-i2c.h b/drivers/staging/go7007/wis-i2c.h new file mode 100644 index 000000000000..993f658ad731 --- /dev/null +++ b/drivers/staging/go7007/wis-i2c.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +/* Temporary I2C IDs -- these need to be replaced with real registered IDs */ +#define I2C_DRIVERID_WIS_SAA7115 0xf0f0 +#define I2C_DRIVERID_WIS_UDA1342 0xf0f1 +#define I2C_DRIVERID_WIS_SONY_TUNER 0xf0f2 +#define I2C_DRIVERID_WIS_TW9903 0xf0f3 +#define I2C_DRIVERID_WIS_SAA7113 0xf0f4 +#define I2C_DRIVERID_WIS_OV7640 0xf0f5 +#define I2C_DRIVERID_WIS_TW2804 0xf0f6 +#define I2C_ALGO_GO7007 0xf00000 +#define I2C_ALGO_GO7007_USB 0xf10000 + +/* Flag to indicate that the client needs to be accessed with SCCB semantics */ +/* We re-use the I2C_M_TEN value so the flag passes through the masks in the + * core I2C code. Major kludge, but the I2C layer ain't exactly flexible. */ +#define I2C_CLIENT_SCCB 0x10 + +typedef int (*found_proc) (struct i2c_adapter *, int, int); +int wis_i2c_add_driver(unsigned int id, found_proc found_proc); +void wis_i2c_del_driver(found_proc found_proc); + +int wis_i2c_probe_device(struct i2c_adapter *adapter, + unsigned int id, int addr); + +/* Definitions for new video decoder commands */ + +struct video_decoder_resolution { + unsigned int width; + unsigned int height; +}; + +#define DECODER_SET_RESOLUTION _IOW('d', 200, struct video_decoder_resolution) +#define DECODER_SET_CHANNEL _IOW('d', 201, int) + +/* Sony tuner types */ + +#define TUNER_SONY_BTF_PG472Z 200 +#define TUNER_SONY_BTF_PK467Z 201 +#define TUNER_SONY_BTF_PB463Z 202 diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c new file mode 100644 index 000000000000..815615a62306 --- /dev/null +++ b/drivers/staging/go7007/wis-ov7640.c @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +struct wis_ov7640 { + int brightness; + int contrast; + int saturation; + int hue; +}; + +static u8 initial_registers[] = +{ + 0x12, 0x80, + 0x12, 0x54, + 0x14, 0x24, + 0x15, 0x01, + 0x28, 0x20, + 0x75, 0x82, + 0xFF, 0xFF, /* Terminator (reg 0xFF is unused) */ +}; + +static int write_regs(struct i2c_client *client, u8 *regs) +{ + int i; + + for (i = 0; regs[i] != 0xFF; i += 2) + if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) + return -1; + return 0; +} + +static struct i2c_driver wis_ov7640_driver; + +static struct i2c_client wis_ov7640_client_templ = { + .name = "OV7640 (WIS)", + .driver = &wis_ov7640_driver, +}; + +static int wis_ov7640_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_ov7640_client_templ, + sizeof(wis_ov7640_client_templ)); + client->adapter = adapter; + client->addr = addr; + client->flags = I2C_CLIENT_SCCB; + + printk(KERN_DEBUG + "wis-ov7640: initializing OV7640 at address %d on %s\n", + addr, adapter->name); + + if (write_regs(client, initial_registers) < 0) { + printk(KERN_ERR "wis-ov7640: error initializing OV7640\n"); + kfree(client); + return 0; + } + + i2c_attach_client(client); + return 0; +} + +static int wis_ov7640_detach(struct i2c_client *client) +{ + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + return 0; +} + +static struct i2c_driver wis_ov7640_driver = { + .driver = { + .name = "WIS OV7640 I2C driver", + }, + .id = I2C_DRIVERID_WIS_OV7640, + .detach_client = wis_ov7640_detach, +}; + +static int __init wis_ov7640_init(void) +{ + int r; + + r = i2c_add_driver(&wis_ov7640_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_ov7640_driver.id, wis_ov7640_detect); +} + +static void __exit wis_ov7640_cleanup(void) +{ + wis_i2c_del_driver(wis_ov7640_detect); + i2c_del_driver(&wis_ov7640_driver); +} + +module_init(wis_ov7640_init); +module_exit(wis_ov7640_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c new file mode 100644 index 000000000000..4b14ca88b1a9 --- /dev/null +++ b/drivers/staging/go7007/wis-saa7113.c @@ -0,0 +1,363 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +struct wis_saa7113 { + int norm; + int brightness; + int contrast; + int saturation; + int hue; +}; + +static u8 initial_registers[] = +{ + 0x01, 0x08, + 0x02, 0xc0, + 0x03, 0x33, + 0x04, 0x00, + 0x05, 0x00, + 0x06, 0xe9, + 0x07, 0x0d, + 0x08, 0xd8, + 0x09, 0x40, + 0x0a, 0x80, + 0x0b, 0x47, + 0x0c, 0x40, + 0x0d, 0x00, + 0x0e, 0x01, + 0x0f, 0x2a, + 0x10, 0x40, + 0x11, 0x0c, + 0x12, 0xfe, + 0x13, 0x00, + 0x14, 0x00, + 0x15, 0x04, + 0x16, 0x00, + 0x17, 0x00, + 0x18, 0x00, + 0x19, 0x00, + 0x1a, 0x00, + 0x1b, 0x00, + 0x1c, 0x00, + 0x1d, 0x00, + 0x1e, 0x00, + 0x1f, 0xc8, + 0x40, 0x00, + 0x41, 0xff, + 0x42, 0xff, + 0x43, 0xff, + 0x44, 0xff, + 0x45, 0xff, + 0x46, 0xff, + 0x47, 0xff, + 0x48, 0xff, + 0x49, 0xff, + 0x4a, 0xff, + 0x4b, 0xff, + 0x4c, 0xff, + 0x4d, 0xff, + 0x4e, 0xff, + 0x4f, 0xff, + 0x50, 0xff, + 0x51, 0xff, + 0x52, 0xff, + 0x53, 0xff, + 0x54, 0xff, + 0x55, 0xff, + 0x56, 0xff, + 0x57, 0xff, + 0x58, 0x00, + 0x59, 0x54, + 0x5a, 0x07, + 0x5b, 0x83, + 0x5c, 0x00, + 0x5d, 0x00, + 0x5e, 0x00, + 0x5f, 0x00, + 0x60, 0x00, + 0x61, 0x00, + 0x00, 0x00, /* Terminator (reg 0x00 is read-only) */ +}; + +static int write_reg(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int write_regs(struct i2c_client *client, u8 *regs) +{ + int i; + + for (i = 0; regs[i] != 0x00; i += 2) + if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) + return -1; + return 0; +} + +static int wis_saa7113_command(struct i2c_client *client, + unsigned int cmd, void *arg) +{ + struct wis_saa7113 *dec = i2c_get_clientdata(client); + + switch (cmd) { + case DECODER_SET_INPUT: + { + int *input = arg; + + i2c_smbus_write_byte_data(client, 0x02, 0xC0 | *input); + i2c_smbus_write_byte_data(client, 0x09, + *input < 6 ? 0x40 : 0x80); + break; + } + case DECODER_SET_NORM: + { + int *input = arg; + dec->norm = *input; + switch (dec->norm) { + case VIDEO_MODE_PAL: + write_reg(client, 0x0e, 0x01); + write_reg(client, 0x10, 0x48); + break; + case VIDEO_MODE_NTSC: + write_reg(client, 0x0e, 0x01); + write_reg(client, 0x10, 0x40); + break; + case VIDEO_MODE_SECAM: + write_reg(client, 0x0e, 0x50); + write_reg(client, 0x10, 0x48); + break; + } + break; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_CONTRAST: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 71; + ctrl->flags = 0; + break; + case V4L2_CID_SATURATION: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 64; + ctrl->flags = 0; + break; + case V4L2_CID_HUE: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); + ctrl->minimum = -128; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 0; + ctrl->flags = 0; + break; + } + break; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value > 255) + dec->brightness = 255; + else if (ctrl->value < 0) + dec->brightness = 0; + else + dec->brightness = ctrl->value; + write_reg(client, 0x0a, dec->brightness); + break; + case V4L2_CID_CONTRAST: + if (ctrl->value > 127) + dec->contrast = 127; + else if (ctrl->value < 0) + dec->contrast = 0; + else + dec->contrast = ctrl->value; + write_reg(client, 0x0b, dec->contrast); + break; + case V4L2_CID_SATURATION: + if (ctrl->value > 127) + dec->saturation = 127; + else if (ctrl->value < 0) + dec->saturation = 0; + else + dec->saturation = ctrl->value; + write_reg(client, 0x0c, dec->saturation); + break; + case V4L2_CID_HUE: + if (ctrl->value > 127) + dec->hue = 127; + else if (ctrl->value < -128) + dec->hue = -128; + else + dec->hue = ctrl->value; + write_reg(client, 0x0d, dec->hue); + break; + } + break; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dec->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dec->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = dec->saturation; + break; + case V4L2_CID_HUE: + ctrl->value = dec->hue; + break; + } + break; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_saa7113_driver; + +static struct i2c_client wis_saa7113_client_templ = { + .name = "SAA7113 (WIS)", + .driver = &wis_saa7113_driver, +}; + +static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + struct wis_saa7113 *dec; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_saa7113_client_templ, + sizeof(wis_saa7113_client_templ)); + client->adapter = adapter; + client->addr = addr; + + dec = kmalloc(sizeof(struct wis_saa7113), GFP_KERNEL); + if (dec == NULL) { + kfree(client); + return -ENOMEM; + } + dec->norm = VIDEO_MODE_NTSC; + dec->brightness = 128; + dec->contrast = 71; + dec->saturation = 64; + dec->hue = 0; + i2c_set_clientdata(client, dec); + + printk(KERN_DEBUG + "wis-saa7113: initializing SAA7113 at address %d on %s\n", + addr, adapter->name); + + if (write_regs(client, initial_registers) < 0) { + printk(KERN_ERR + "wis-saa7113: error initializing SAA7113\n"); + kfree(client); + kfree(dec); + return 0; + } + + i2c_attach_client(client); + return 0; +} + +static int wis_saa7113_detach(struct i2c_client *client) +{ + struct wis_saa7113 *dec = i2c_get_clientdata(client); + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + kfree(dec); + return 0; +} + +static struct i2c_driver wis_saa7113_driver = { + .driver = { + .name = "WIS SAA7113 I2C driver", + }, + .id = I2C_DRIVERID_WIS_SAA7113, + .detach_client = wis_saa7113_detach, + .command = wis_saa7113_command, +}; + +static int __init wis_saa7113_init(void) +{ + int r; + + r = i2c_add_driver(&wis_saa7113_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_saa7113_driver.id, wis_saa7113_detect); +} + +static void __exit wis_saa7113_cleanup(void) +{ + wis_i2c_del_driver(wis_saa7113_detect); + i2c_del_driver(&wis_saa7113_driver); +} + +module_init(wis_saa7113_init); +module_exit(wis_saa7113_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c new file mode 100644 index 000000000000..bd40bf4be282 --- /dev/null +++ b/drivers/staging/go7007/wis-saa7115.c @@ -0,0 +1,492 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +struct wis_saa7115 { + int norm; + int brightness; + int contrast; + int saturation; + int hue; +}; + +static u8 initial_registers[] = +{ + 0x01, 0x08, + 0x02, 0xc0, + 0x03, 0x20, + 0x04, 0x80, + 0x05, 0x80, + 0x06, 0xeb, + 0x07, 0xe0, + 0x08, 0xf0, /* always toggle FID */ + 0x09, 0x40, + 0x0a, 0x80, + 0x0b, 0x40, + 0x0c, 0x40, + 0x0d, 0x00, + 0x0e, 0x03, + 0x0f, 0x2a, + 0x10, 0x0e, + 0x11, 0x00, + 0x12, 0x8d, + 0x13, 0x00, + 0x14, 0x00, + 0x15, 0x11, + 0x16, 0x01, + 0x17, 0xda, + 0x18, 0x40, + 0x19, 0x80, + 0x1a, 0x00, + 0x1b, 0x42, + 0x1c, 0xa9, + 0x30, 0x66, + 0x31, 0x90, + 0x32, 0x01, + 0x34, 0x00, + 0x35, 0x00, + 0x36, 0x20, + 0x38, 0x03, + 0x39, 0x20, + 0x3a, 0x88, + 0x40, 0x00, + 0x41, 0xff, + 0x42, 0xff, + 0x43, 0xff, + 0x44, 0xff, + 0x45, 0xff, + 0x46, 0xff, + 0x47, 0xff, + 0x48, 0xff, + 0x49, 0xff, + 0x4a, 0xff, + 0x4b, 0xff, + 0x4c, 0xff, + 0x4d, 0xff, + 0x4e, 0xff, + 0x4f, 0xff, + 0x50, 0xff, + 0x51, 0xff, + 0x52, 0xff, + 0x53, 0xff, + 0x54, 0xf4 /*0xff*/, + 0x55, 0xff, + 0x56, 0xff, + 0x57, 0xff, + 0x58, 0x40, + 0x59, 0x47, + 0x5a, 0x06 /*0x03*/, + 0x5b, 0x83, + 0x5d, 0x06, + 0x5e, 0x00, + 0x80, 0x30, /* window defined scaler operation, task A and B enabled */ + 0x81, 0x03, /* use scaler datapath generated V */ + 0x83, 0x00, + 0x84, 0x00, + 0x85, 0x00, + 0x86, 0x45, + 0x87, 0x31, + 0x88, 0xc0, + 0x90, 0x02, /* task A process top field */ + 0x91, 0x08, + 0x92, 0x09, + 0x93, 0x80, + 0x94, 0x06, + 0x95, 0x00, + 0x96, 0xc0, + 0x97, 0x02, + 0x98, 0x12, + 0x99, 0x00, + 0x9a, 0xf2, + 0x9b, 0x00, + 0x9c, 0xd0, + 0x9d, 0x02, + 0x9e, 0xf2, + 0x9f, 0x00, + 0xa0, 0x01, + 0xa1, 0x01, + 0xa2, 0x01, + 0xa4, 0x80, + 0xa5, 0x40, + 0xa6, 0x40, + 0xa8, 0x00, + 0xa9, 0x04, + 0xaa, 0x00, + 0xac, 0x00, + 0xad, 0x02, + 0xae, 0x00, + 0xb0, 0x00, + 0xb1, 0x04, + 0xb2, 0x00, + 0xb3, 0x04, + 0xb4, 0x00, + 0xb8, 0x00, + 0xbc, 0x00, + 0xc0, 0x03, /* task B process bottom field */ + 0xc1, 0x08, + 0xc2, 0x09, + 0xc3, 0x80, + 0xc4, 0x06, + 0xc5, 0x00, + 0xc6, 0xc0, + 0xc7, 0x02, + 0xc8, 0x12, + 0xc9, 0x00, + 0xca, 0xf2, + 0xcb, 0x00, + 0xcc, 0xd0, + 0xcd, 0x02, + 0xce, 0xf2, + 0xcf, 0x00, + 0xd0, 0x01, + 0xd1, 0x01, + 0xd2, 0x01, + 0xd4, 0x80, + 0xd5, 0x40, + 0xd6, 0x40, + 0xd8, 0x00, + 0xd9, 0x04, + 0xda, 0x00, + 0xdc, 0x00, + 0xdd, 0x02, + 0xde, 0x00, + 0xe0, 0x00, + 0xe1, 0x04, + 0xe2, 0x00, + 0xe3, 0x04, + 0xe4, 0x00, + 0xe8, 0x00, + 0x88, 0xf0, /* End of original static list */ + 0x00, 0x00, /* Terminator (reg 0x00 is read-only) */ +}; + +static int write_reg(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int write_regs(struct i2c_client *client, u8 *regs) +{ + int i; + + for (i = 0; regs[i] != 0x00; i += 2) + if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) + return -1; + return 0; +} + +static int wis_saa7115_command(struct i2c_client *client, + unsigned int cmd, void *arg) +{ + struct wis_saa7115 *dec = i2c_get_clientdata(client); + + switch (cmd) { + case DECODER_SET_INPUT: + { + int *input = arg; + + i2c_smbus_write_byte_data(client, 0x02, 0xC0 | *input); + i2c_smbus_write_byte_data(client, 0x09, + *input < 6 ? 0x40 : 0xC0); + break; + } + case DECODER_SET_RESOLUTION: + { + struct video_decoder_resolution *res = arg; + /* Course-grained scaler */ + int h_integer_scaler = res->width < 704 ? 704 / res->width : 1; + /* Fine-grained scaler to take care of remainder */ + int h_scaling_increment = (704 / h_integer_scaler) * + 1024 / res->width; + /* Fine-grained scaler only */ + int v_scaling_increment = (dec->norm == VIDEO_MODE_NTSC ? + 240 : 288) * 1024 / res->height; + u8 regs[] = { + 0x88, 0xc0, + 0x9c, res->width & 0xff, + 0x9d, res->width >> 8, + 0x9e, res->height & 0xff, + 0x9f, res->height >> 8, + 0xa0, h_integer_scaler, + 0xa1, 1, + 0xa2, 1, + 0xa8, h_scaling_increment & 0xff, + 0xa9, h_scaling_increment >> 8, + 0xac, (h_scaling_increment / 2) & 0xff, + 0xad, (h_scaling_increment / 2) >> 8, + 0xb0, v_scaling_increment & 0xff, + 0xb1, v_scaling_increment >> 8, + 0xb2, v_scaling_increment & 0xff, + 0xb3, v_scaling_increment >> 8, + 0xcc, res->width & 0xff, + 0xcd, res->width >> 8, + 0xce, res->height & 0xff, + 0xcf, res->height >> 8, + 0xd0, h_integer_scaler, + 0xd1, 1, + 0xd2, 1, + 0xd8, h_scaling_increment & 0xff, + 0xd9, h_scaling_increment >> 8, + 0xdc, (h_scaling_increment / 2) & 0xff, + 0xdd, (h_scaling_increment / 2) >> 8, + 0xe0, v_scaling_increment & 0xff, + 0xe1, v_scaling_increment >> 8, + 0xe2, v_scaling_increment & 0xff, + 0xe3, v_scaling_increment >> 8, + 0x88, 0xf0, + 0, 0, + }; + write_regs(client, regs); + break; + } + case DECODER_SET_NORM: + { + int *input = arg; + u8 regs[] = { + 0x88, 0xc0, + 0x98, *input == VIDEO_MODE_NTSC ? 0x12 : 0x16, + 0x9a, *input == VIDEO_MODE_NTSC ? 0xf2 : 0x20, + 0x9b, *input == VIDEO_MODE_NTSC ? 0x00 : 0x01, + 0xc8, *input == VIDEO_MODE_NTSC ? 0x12 : 0x16, + 0xca, *input == VIDEO_MODE_NTSC ? 0xf2 : 0x20, + 0xcb, *input == VIDEO_MODE_NTSC ? 0x00 : 0x01, + 0x88, 0xf0, + 0x30, *input == VIDEO_MODE_NTSC ? 0x66 : 0x00, + 0x31, *input == VIDEO_MODE_NTSC ? 0x90 : 0xe0, + 0, 0, + }; + write_regs(client, regs); + dec->norm = *input; + break; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_CONTRAST: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 64; + ctrl->flags = 0; + break; + case V4L2_CID_SATURATION: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 64; + ctrl->flags = 0; + break; + case V4L2_CID_HUE: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); + ctrl->minimum = -128; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 0; + ctrl->flags = 0; + break; + } + break; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value > 255) + dec->brightness = 255; + else if (ctrl->value < 0) + dec->brightness = 0; + else + dec->brightness = ctrl->value; + write_reg(client, 0x0a, dec->brightness); + break; + case V4L2_CID_CONTRAST: + if (ctrl->value > 127) + dec->contrast = 127; + else if (ctrl->value < 0) + dec->contrast = 0; + else + dec->contrast = ctrl->value; + write_reg(client, 0x0b, dec->contrast); + break; + case V4L2_CID_SATURATION: + if (ctrl->value > 127) + dec->saturation = 127; + else if (ctrl->value < 0) + dec->saturation = 0; + else + dec->saturation = ctrl->value; + write_reg(client, 0x0c, dec->saturation); + break; + case V4L2_CID_HUE: + if (ctrl->value > 127) + dec->hue = 127; + else if (ctrl->value < -128) + dec->hue = -128; + else + dec->hue = ctrl->value; + write_reg(client, 0x0d, dec->hue); + break; + } + break; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dec->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dec->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = dec->saturation; + break; + case V4L2_CID_HUE: + ctrl->value = dec->hue; + break; + } + break; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_saa7115_driver; + +static struct i2c_client wis_saa7115_client_templ = { + .name = "SAA7115 (WIS)", + .driver = &wis_saa7115_driver, +}; + +static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + struct wis_saa7115 *dec; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_saa7115_client_templ, + sizeof(wis_saa7115_client_templ)); + client->adapter = adapter; + client->addr = addr; + + dec = kmalloc(sizeof(struct wis_saa7115), GFP_KERNEL); + if (dec == NULL) { + kfree(client); + return -ENOMEM; + } + dec->norm = VIDEO_MODE_NTSC; + dec->brightness = 128; + dec->contrast = 64; + dec->saturation = 64; + dec->hue = 0; + i2c_set_clientdata(client, dec); + + printk(KERN_DEBUG + "wis-saa7115: initializing SAA7115 at address %d on %s\n", + addr, adapter->name); + + if (write_regs(client, initial_registers) < 0) { + printk(KERN_ERR + "wis-saa7115: error initializing SAA7115\n"); + kfree(client); + kfree(dec); + return 0; + } + + i2c_attach_client(client); + return 0; +} + +static int wis_saa7115_detach(struct i2c_client *client) +{ + struct wis_saa7115 *dec = i2c_get_clientdata(client); + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + kfree(dec); + return 0; +} + +static struct i2c_driver wis_saa7115_driver = { + .driver = { + .name = "WIS SAA7115 I2C driver", + }, + .id = I2C_DRIVERID_WIS_SAA7115, + .detach_client = wis_saa7115_detach, + .command = wis_saa7115_command, +}; + +static int __init wis_saa7115_init(void) +{ + int r; + + r = i2c_add_driver(&wis_saa7115_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_saa7115_driver.id, wis_saa7115_detect); +} + +static void __exit wis_saa7115_cleanup(void) +{ + wis_i2c_del_driver(wis_saa7115_detect); + i2c_del_driver(&wis_saa7115_driver); +} + +module_init(wis_saa7115_init); +module_exit(wis_saa7115_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c new file mode 100644 index 000000000000..82e66d65f36c --- /dev/null +++ b/drivers/staging/go7007/wis-sony-tuner.c @@ -0,0 +1,741 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +/* #define MPX_DEBUG */ + +/* AS(IF/MPX) pin: LOW HIGH/OPEN + * IF/MPX address: 0x42/0x40 0x43/0x44 + */ +#define IF_I2C_ADDR 0x43 +#define MPX_I2C_ADDR 0x44 + +static v4l2_std_id force_band; +static char force_band_str[] = "-"; +module_param_string(force_band, force_band_str, sizeof(force_band_str), 0644); +static int force_mpx_mode = -1; +module_param(force_mpx_mode, int, 0644); + +/* Store tuner info in the same format as tuner.c, so maybe we can put the + * Sony tuner support in there. */ +struct sony_tunertype { + char *name; + unsigned char Vendor; /* unused here */ + unsigned char Type; /* unused here */ + + unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */ + unsigned short thresh2; /* band switch VHF_HI <=> UHF */ + unsigned char VHF_L; + unsigned char VHF_H; + unsigned char UHF; + unsigned char config; + unsigned short IFPCoff; +}; + +/* This array is indexed by (tuner_type - 200) */ +static struct sony_tunertype sony_tuners[] = { + { "Sony PAL+SECAM (BTF-PG472Z)", 0, 0, + 16*144.25, 16*427.25, 0x01, 0x02, 0x04, 0xc6, 623}, + { "Sony NTSC_JP (BTF-PK467Z)", 0, 0, + 16*220.25, 16*467.25, 0x01, 0x02, 0x04, 0xc6, 940}, + { "Sony NTSC (BTF-PB463Z)", 0, 0, + 16*130.25, 16*364.25, 0x01, 0x02, 0x04, 0xc6, 732}, +}; + +struct wis_sony_tuner { + int type; + v4l2_std_id std; + unsigned int freq; + int mpxmode; + u32 audmode; +}; + +/* Basically the same as default_set_tv_freq() in tuner.c */ +static int set_freq(struct i2c_client *client, int freq) +{ + struct wis_sony_tuner *t = i2c_get_clientdata(client); + char *band_name; + int n; + int band_select; + struct sony_tunertype *tun; + u8 buffer[4]; + + tun = &sony_tuners[t->type - 200]; + if (freq < tun->thresh1) { + band_name = "VHF_L"; + band_select = tun->VHF_L; + } else if (freq < tun->thresh2) { + band_name = "VHF_H"; + band_select = tun->VHF_H; + } else { + band_name = "UHF"; + band_select = tun->UHF; + } + printk(KERN_DEBUG "wis-sony-tuner: tuning to frequency %d.%04d (%s)\n", + freq / 16, (freq % 16) * 625, band_name); + n = freq + tun->IFPCoff; + + buffer[0] = n >> 8; + buffer[1] = n & 0xff; + buffer[2] = tun->config; + buffer[3] = band_select; + i2c_master_send(client, buffer, 4); + + return 0; +} + +static int mpx_write(struct i2c_client *client, int dev, int addr, int val) +{ + u8 buffer[5]; + struct i2c_msg msg; + + buffer[0] = dev; + buffer[1] = addr >> 8; + buffer[2] = addr & 0xff; + buffer[3] = val >> 8; + buffer[4] = val & 0xff; + msg.addr = MPX_I2C_ADDR; + msg.flags = 0; + msg.len = 5; + msg.buf = buffer; + i2c_transfer(client->adapter, &msg, 1); + return 0; +} + +/* + * MPX register values for the BTF-PG472Z: + * + * FM_ NICAM_ SCART_ + * MODUS SOURCE ACB PRESCAL PRESCAL PRESCAL SYSTEM VOLUME + * 10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000 + * --------------------------------------------------------------- + * Auto 1003 0020 0100 2603 5000 XXXX 0001 7500 + * + * B/G + * Mono 1003 0020 0100 2603 5000 XXXX 0003 7500 + * A2 1003 0020 0100 2601 5000 XXXX 0003 7500 + * NICAM 1003 0120 0100 2603 5000 XXXX 0008 7500 + * + * I + * Mono 1003 0020 0100 2603 7900 XXXX 000A 7500 + * NICAM 1003 0120 0100 2603 7900 XXXX 000A 7500 + * + * D/K + * Mono 1003 0020 0100 2603 5000 XXXX 0004 7500 + * A2-1 1003 0020 0100 2601 5000 XXXX 0004 7500 + * A2-2 1003 0020 0100 2601 5000 XXXX 0005 7500 + * A2-3 1003 0020 0100 2601 5000 XXXX 0007 7500 + * NICAM 1003 0120 0100 2603 5000 XXXX 000B 7500 + * + * L/L' + * Mono 0003 0200 0100 7C03 5000 2200 0009 7500 + * NICAM 0003 0120 0100 7C03 5000 XXXX 0009 7500 + * + * M + * Mono 1003 0200 0100 2B03 5000 2B00 0002 7500 + * + * For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX. + * + * Bilingual selection in A2/NICAM: + * + * High byte of SOURCE Left chan Right chan + * 0x01 MAIN SUB + * 0x03 MAIN MAIN + * 0x04 SUB SUB + * + * Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or + * 0x00 (all other bands). Force mono in A2 with FMONO_A2: + * + * FMONO_A2 + * 10/0022 + * -------- + * Forced mono ON 07F0 + * Forced mono OFF 0190 + */ + +static struct { + enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode; + u16 modus; + u16 source; + u16 acb; + u16 fm_prescale; + u16 nicam_prescale; + u16 scart_prescale; + u16 system; + u16 volume; +} mpx_audio_modes[] = { + /* Auto */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0001, 0x7500 }, + /* B/G Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0003, 0x7500 }, + /* B/G A2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0003, 0x7500 }, + /* B/G NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0008, 0x7500 }, + /* I Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x7900, 0x0000, 0x000A, 0x7500 }, + /* I NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x7900, 0x0000, 0x000A, 0x7500 }, + /* D/K Mono */ { AUD_MONO, 0x1003, 0x0020, 0x0100, 0x2603, + 0x5000, 0x0000, 0x0004, 0x7500 }, + /* D/K A2-1 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0004, 0x7500 }, + /* D/K A2-2 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0005, 0x7500 }, + /* D/K A2-3 */ { AUD_A2, 0x1003, 0x0020, 0x0100, 0x2601, + 0x5000, 0x0000, 0x0007, 0x7500 }, + /* D/K NICAM */ { AUD_NICAM, 0x1003, 0x0120, 0x0100, 0x2603, + 0x5000, 0x0000, 0x000B, 0x7500 }, + /* L/L' Mono */ { AUD_MONO, 0x0003, 0x0200, 0x0100, 0x7C03, + 0x5000, 0x2200, 0x0009, 0x7500 }, + /* L/L' NICAM */{ AUD_NICAM_L, 0x0003, 0x0120, 0x0100, 0x7C03, + 0x5000, 0x0000, 0x0009, 0x7500 }, +}; + +#define MPX_NUM_MODES ARRAY_SIZE(mpx_audio_modes) + +static int mpx_setup(struct i2c_client *client) +{ + struct wis_sony_tuner *t = i2c_get_clientdata(client); + u16 source = 0; + u8 buffer[3]; + struct i2c_msg msg; + + /* reset MPX */ + buffer[0] = 0x00; + buffer[1] = 0x80; + buffer[2] = 0x00; + msg.addr = MPX_I2C_ADDR; + msg.flags = 0; + msg.len = 3; + msg.buf = buffer; + i2c_transfer(client->adapter, &msg, 1); + buffer[1] = 0x00; + i2c_transfer(client->adapter, &msg, 1); + + if (mpx_audio_modes[t->mpxmode].audio_mode != AUD_MONO) { + switch (t->audmode) { + case V4L2_TUNER_MODE_MONO: + switch (mpx_audio_modes[t->mpxmode].audio_mode) { + case AUD_A2: + source = mpx_audio_modes[t->mpxmode].source; + break; + case AUD_NICAM: + source = 0x0000; + break; + case AUD_NICAM_L: + source = 0x0200; + break; + default: + break; + } + break; + case V4L2_TUNER_MODE_STEREO: + source = mpx_audio_modes[t->mpxmode].source; + break; + case V4L2_TUNER_MODE_LANG1: + source = 0x0300; + break; + case V4L2_TUNER_MODE_LANG2: + source = 0x0400; + break; + } + source |= mpx_audio_modes[t->mpxmode].source & 0x00ff; + } else + source = mpx_audio_modes[t->mpxmode].source; + + mpx_write(client, 0x10, 0x0030, mpx_audio_modes[t->mpxmode].modus); + mpx_write(client, 0x12, 0x0008, source); + mpx_write(client, 0x12, 0x0013, mpx_audio_modes[t->mpxmode].acb); + mpx_write(client, 0x12, 0x000e, + mpx_audio_modes[t->mpxmode].fm_prescale); + mpx_write(client, 0x12, 0x0010, + mpx_audio_modes[t->mpxmode].nicam_prescale); + mpx_write(client, 0x12, 0x000d, + mpx_audio_modes[t->mpxmode].scart_prescale); + mpx_write(client, 0x10, 0x0020, mpx_audio_modes[t->mpxmode].system); + mpx_write(client, 0x12, 0x0000, mpx_audio_modes[t->mpxmode].volume); + if (mpx_audio_modes[t->mpxmode].audio_mode == AUD_A2) + mpx_write(client, 0x10, 0x0022, + t->audmode == V4L2_TUNER_MODE_MONO ? 0x07f0 : 0x0190); + +#ifdef MPX_DEBUG + { + u8 buf1[3], buf2[2]; + struct i2c_msg msgs[2]; + + printk(KERN_DEBUG "wis-sony-tuner: MPX registers: %04x %04x " + "%04x %04x %04x %04x %04x %04x\n", + mpx_audio_modes[t->mpxmode].modus, + source, + mpx_audio_modes[t->mpxmode].acb, + mpx_audio_modes[t->mpxmode].fm_prescale, + mpx_audio_modes[t->mpxmode].nicam_prescale, + mpx_audio_modes[t->mpxmode].scart_prescale, + mpx_audio_modes[t->mpxmode].system, + mpx_audio_modes[t->mpxmode].volume); + buf1[0] = 0x11; + buf1[1] = 0x00; + buf1[2] = 0x7e; + msgs[0].addr = MPX_I2C_ADDR; + msgs[0].flags = 0; + msgs[0].len = 3; + msgs[0].buf = buf1; + msgs[1].addr = MPX_I2C_ADDR; + msgs[1].flags = I2C_M_RD; + msgs[1].len = 2; + msgs[1].buf = buf2; + i2c_transfer(client->adapter, msgs, 2); + printk(KERN_DEBUG "wis-sony-tuner: MPX system: %02x%02x\n", + buf2[0], buf2[1]); + buf1[0] = 0x11; + buf1[1] = 0x02; + buf1[2] = 0x00; + i2c_transfer(client->adapter, msgs, 2); + printk(KERN_DEBUG "wis-sony-tuner: MPX status: %02x%02x\n", + buf2[0], buf2[1]); + } +#endif + return 0; +} + +/* + * IF configuration values for the BTF-PG472Z: + * + * B/G: 0x94 0x70 0x49 + * I: 0x14 0x70 0x4a + * D/K: 0x14 0x70 0x4b + * L: 0x04 0x70 0x4b + * L': 0x44 0x70 0x53 + * M: 0x50 0x30 0x4c + */ + +static int set_if(struct i2c_client *client) +{ + struct wis_sony_tuner *t = i2c_get_clientdata(client); + u8 buffer[4]; + struct i2c_msg msg; + int default_mpx_mode = 0; + + /* configure IF */ + buffer[0] = 0; + if (t->std & V4L2_STD_PAL_BG) { + buffer[1] = 0x94; + buffer[2] = 0x70; + buffer[3] = 0x49; + default_mpx_mode = 1; + } else if (t->std & V4L2_STD_PAL_I) { + buffer[1] = 0x14; + buffer[2] = 0x70; + buffer[3] = 0x4a; + default_mpx_mode = 4; + } else if (t->std & V4L2_STD_PAL_DK) { + buffer[1] = 0x14; + buffer[2] = 0x70; + buffer[3] = 0x4b; + default_mpx_mode = 6; + } else if (t->std & V4L2_STD_SECAM_L) { + buffer[1] = 0x04; + buffer[2] = 0x70; + buffer[3] = 0x4b; + default_mpx_mode = 11; + } + msg.addr = IF_I2C_ADDR; + msg.flags = 0; + msg.len = 4; + msg.buf = buffer; + i2c_transfer(client->adapter, &msg, 1); + + /* Select MPX mode if not forced by the user */ + if (force_mpx_mode >= 0 || force_mpx_mode < MPX_NUM_MODES) + t->mpxmode = force_mpx_mode; + else + t->mpxmode = default_mpx_mode; + printk(KERN_DEBUG "wis-sony-tuner: setting MPX to mode %d\n", + t->mpxmode); + mpx_setup(client); + + return 0; +} + +static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) +{ + struct wis_sony_tuner *t = i2c_get_clientdata(client); + + switch (cmd) { +#ifdef TUNER_SET_TYPE_ADDR + case TUNER_SET_TYPE_ADDR: + { + struct tuner_setup *tun_setup = arg; + int *type = &tun_setup->type; +#else + case TUNER_SET_TYPE: + { + int *type = arg; +#endif + + if (t->type >= 0) { + if (t->type != *type) + printk(KERN_ERR "wis-sony-tuner: type already " + "set to %d, ignoring request for %d\n", + t->type, *type); + break; + } + t->type = *type; + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + switch (force_band_str[0]) { + case 'b': + case 'B': + case 'g': + case 'G': + printk(KERN_INFO "wis-sony-tuner: forcing " + "tuner to PAL-B/G bands\n"); + force_band = V4L2_STD_PAL_BG; + break; + case 'i': + case 'I': + printk(KERN_INFO "wis-sony-tuner: forcing " + "tuner to PAL-I band\n"); + force_band = V4L2_STD_PAL_I; + break; + case 'd': + case 'D': + case 'k': + case 'K': + printk(KERN_INFO "wis-sony-tuner: forcing " + "tuner to PAL-D/K bands\n"); + force_band = V4L2_STD_PAL_I; + break; + case 'l': + case 'L': + printk(KERN_INFO "wis-sony-tuner: forcing " + "tuner to SECAM-L band\n"); + force_band = V4L2_STD_SECAM_L; + break; + default: + force_band = 0; + break; + } + if (force_band) + t->std = force_band; + else + t->std = V4L2_STD_PAL_BG; + set_if(client); + break; + case TUNER_SONY_BTF_PK467Z: + t->std = V4L2_STD_NTSC_M_JP; + break; + case TUNER_SONY_BTF_PB463Z: + t->std = V4L2_STD_NTSC_M; + break; + default: + printk(KERN_ERR "wis-sony-tuner: tuner type %d is not " + "supported by this module\n", *type); + break; + } + if (type >= 0) + printk(KERN_INFO + "wis-sony-tuner: type set to %d (%s)\n", + t->type, sony_tuners[t->type - 200].name); + break; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + f->frequency = t->freq; + break; + } + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + t->freq = f->frequency; + set_freq(client, t->freq); + break; + } + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *std = arg; + + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + switch (std->index) { + case 0: + v4l2_video_std_construct(std, + V4L2_STD_PAL_BG, "PAL-B/G"); + break; + case 1: + v4l2_video_std_construct(std, + V4L2_STD_PAL_I, "PAL-I"); + break; + case 2: + v4l2_video_std_construct(std, + V4L2_STD_PAL_DK, "PAL-D/K"); + break; + case 3: + v4l2_video_std_construct(std, + V4L2_STD_SECAM_L, "SECAM-L"); + break; + default: + std->id = 0; /* hack to indicate EINVAL */ + break; + } + break; + case TUNER_SONY_BTF_PK467Z: + if (std->index != 0) { + std->id = 0; /* hack to indicate EINVAL */ + break; + } + v4l2_video_std_construct(std, + V4L2_STD_NTSC_M_JP, "NTSC-J"); + break; + case TUNER_SONY_BTF_PB463Z: + if (std->index != 0) { + std->id = 0; /* hack to indicate EINVAL */ + break; + } + v4l2_video_std_construct(std, V4L2_STD_NTSC_M, "NTSC"); + break; + } + break; + } + case VIDIOC_G_STD: + { + v4l2_std_id *std = arg; + + *std = t->std; + break; + } + case VIDIOC_S_STD: + { + v4l2_std_id *std = arg; + v4l2_std_id old = t->std; + + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + if (force_band && (*std & force_band) != *std && + *std != V4L2_STD_PAL && + *std != V4L2_STD_SECAM) { + printk(KERN_DEBUG "wis-sony-tuner: ignoring " + "requested TV standard in " + "favor of force_band value\n"); + t->std = force_band; + } else if (*std & V4L2_STD_PAL_BG) { /* default */ + t->std = V4L2_STD_PAL_BG; + } else if (*std & V4L2_STD_PAL_I) { + t->std = V4L2_STD_PAL_I; + } else if (*std & V4L2_STD_PAL_DK) { + t->std = V4L2_STD_PAL_DK; + } else if (*std & V4L2_STD_SECAM_L) { + t->std = V4L2_STD_SECAM_L; + } else { + printk(KERN_ERR "wis-sony-tuner: TV standard " + "not supported\n"); + *std = 0; /* hack to indicate EINVAL */ + break; + } + if (old != t->std) + set_if(client); + break; + case TUNER_SONY_BTF_PK467Z: + if (!(*std & V4L2_STD_NTSC_M_JP)) { + printk(KERN_ERR "wis-sony-tuner: TV standard " + "not supported\n"); + *std = 0; /* hack to indicate EINVAL */ + } + break; + case TUNER_SONY_BTF_PB463Z: + if (!(*std & V4L2_STD_NTSC_M)) { + printk(KERN_ERR "wis-sony-tuner: TV standard " + "not supported\n"); + *std = 0; /* hack to indicate EINVAL */ + } + break; + } + break; + } + case VIDIOC_QUERYSTD: + { + v4l2_std_id *std = arg; + + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + if (force_band) + *std = force_band; + else + *std = V4L2_STD_PAL_BG | V4L2_STD_PAL_I | + V4L2_STD_PAL_DK | V4L2_STD_SECAM_L; + break; + case TUNER_SONY_BTF_PK467Z: + *std = V4L2_STD_NTSC_M_JP; + break; + case TUNER_SONY_BTF_PB463Z: + *std = V4L2_STD_NTSC_M; + break; + } + break; + } + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *tun = arg; + + memset(t, 0, sizeof(*tun)); + strcpy(tun->name, "Television"); + tun->type = V4L2_TUNER_ANALOG_TV; + tun->rangelow = 0UL; /* does anything use these? */ + tun->rangehigh = 0xffffffffUL; + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + tun->capability = V4L2_TUNER_CAP_NORM | + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2; + tun->rxsubchans = V4L2_TUNER_SUB_MONO | + V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 | + V4L2_TUNER_SUB_LANG2; + break; + case TUNER_SONY_BTF_PK467Z: + case TUNER_SONY_BTF_PB463Z: + tun->capability = V4L2_TUNER_CAP_STEREO; + tun->rxsubchans = V4L2_TUNER_SUB_MONO | + V4L2_TUNER_SUB_STEREO; + break; + } + tun->audmode = t->audmode; + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *tun = arg; + + switch (t->type) { + case TUNER_SONY_BTF_PG472Z: + if (tun->audmode != t->audmode) { + t->audmode = tun->audmode; + mpx_setup(client); + } + break; + case TUNER_SONY_BTF_PK467Z: + case TUNER_SONY_BTF_PB463Z: + break; + } + return 0; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_sony_tuner_driver; + +static struct i2c_client wis_sony_tuner_client_templ = { + .name = "Sony TV Tuner (WIS)", + .driver = &wis_sony_tuner_driver, +}; + +static int wis_sony_tuner_detect(struct i2c_adapter *adapter, + int addr, int kind) +{ + struct i2c_client *client; + struct wis_sony_tuner *t; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_sony_tuner_client_templ, + sizeof(wis_sony_tuner_client_templ)); + client->adapter = adapter; + client->addr = addr; + + t = kmalloc(sizeof(struct wis_sony_tuner), GFP_KERNEL); + if (t == NULL) { + kfree(client); + return -ENOMEM; + } + t->type = -1; + t->freq = 0; + t->mpxmode = 0; + t->audmode = V4L2_TUNER_MODE_STEREO; + i2c_set_clientdata(client, t); + + printk(KERN_DEBUG + "wis-sony-tuner: initializing tuner at address %d on %s\n", + addr, adapter->name); + + i2c_attach_client(client); + + return 0; +} + +static int wis_sony_tuner_detach(struct i2c_client *client) +{ + struct wis_sony_tuner *t = i2c_get_clientdata(client); + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(t); + kfree(client); + return 0; +} + +static struct i2c_driver wis_sony_tuner_driver = { + .driver = { + .name = "WIS Sony TV Tuner I2C driver", + }, + .id = I2C_DRIVERID_WIS_SONY_TUNER, + .detach_client = wis_sony_tuner_detach, + .command = tuner_command, +}; + +static int __init wis_sony_tuner_init(void) +{ + int r; + + r = i2c_add_driver(&wis_sony_tuner_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_sony_tuner_driver.id, + wis_sony_tuner_detect); +} + +static void __exit wis_sony_tuner_cleanup(void) +{ + wis_i2c_del_driver(wis_sony_tuner_detect); + i2c_del_driver(&wis_sony_tuner_driver); +} + +module_init(wis_sony_tuner_init); +module_exit(wis_sony_tuner_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c new file mode 100644 index 000000000000..69ed7bf03227 --- /dev/null +++ b/drivers/staging/go7007/wis-tw2804.c @@ -0,0 +1,381 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +struct wis_tw2804 { + int channel; + int norm; + int brightness; + int contrast; + int saturation; + int hue; +}; + +static u8 global_registers[] = +{ + 0x39, 0x00, + 0x3a, 0xff, + 0x3b, 0x84, + 0x3c, 0x80, + 0x3d, 0x80, + 0x3e, 0x82, + 0x3f, 0x82, + 0xff, 0xff, /* Terminator (reg 0xff does not exist) */ +}; + +static u8 channel_registers[] = +{ + 0x01, 0xc4, + 0x02, 0xa5, + 0x03, 0x20, + 0x04, 0xd0, + 0x05, 0x20, + 0x06, 0xd0, + 0x07, 0x88, + 0x08, 0x20, + 0x09, 0x07, + 0x0a, 0xf0, + 0x0b, 0x07, + 0x0c, 0xf0, + 0x0d, 0x40, + 0x0e, 0xd2, + 0x0f, 0x80, + 0x10, 0x80, + 0x11, 0x80, + 0x12, 0x80, + 0x13, 0x1f, + 0x14, 0x00, + 0x15, 0x00, + 0x16, 0x00, + 0x17, 0x00, + 0x18, 0xff, + 0x19, 0xff, + 0x1a, 0xff, + 0x1b, 0xff, + 0x1c, 0xff, + 0x1d, 0xff, + 0x1e, 0xff, + 0x1f, 0xff, + 0x20, 0x07, + 0x21, 0x07, + 0x22, 0x00, + 0x23, 0x91, + 0x24, 0x51, + 0x25, 0x03, + 0x26, 0x00, + 0x27, 0x00, + 0x28, 0x00, + 0x29, 0x00, + 0x2a, 0x00, + 0x2b, 0x00, + 0x2c, 0x00, + 0x2d, 0x00, + 0x2e, 0x00, + 0x2f, 0x00, + 0x30, 0x00, + 0x31, 0x00, + 0x32, 0x00, + 0x33, 0x00, + 0x34, 0x00, + 0x35, 0x00, + 0x36, 0x00, + 0x37, 0x00, + 0xff, 0xff, /* Terminator (reg 0xff does not exist) */ +}; + +static int write_reg(struct i2c_client *client, u8 reg, u8 value, int channel) +{ + return i2c_smbus_write_byte_data(client, reg | (channel << 6), value); +} + +static int write_regs(struct i2c_client *client, u8 *regs, int channel) +{ + int i; + + for (i = 0; regs[i] != 0xff; i += 2) + if (i2c_smbus_write_byte_data(client, + regs[i] | (channel << 6), regs[i + 1]) < 0) + return -1; + return 0; +} + +static int wis_tw2804_command(struct i2c_client *client, + unsigned int cmd, void *arg) +{ + struct wis_tw2804 *dec = i2c_get_clientdata(client); + + if (cmd == DECODER_SET_CHANNEL) { + int *input = arg; + + if (*input < 0 || *input > 3) { + printk(KERN_ERR "wis-tw2804: channel %d is not " + "between 0 and 3!\n", *input); + return 0; + } + dec->channel = *input; + printk(KERN_DEBUG "wis-tw2804: initializing TW2804 " + "channel %d\n", dec->channel); + if (dec->channel == 0 && + write_regs(client, global_registers, 0) < 0) { + printk(KERN_ERR "wis-tw2804: error initializing " + "TW2804 global registers\n"); + return 0; + } + if (write_regs(client, channel_registers, dec->channel) < 0) { + printk(KERN_ERR "wis-tw2804: error initializing " + "TW2804 channel %d\n", dec->channel); + return 0; + } + return 0; + } + + if (dec->channel < 0) { + printk(KERN_DEBUG "wis-tw2804: ignoring command %08x until " + "channel number is set\n", cmd); + return 0; + } + + switch (cmd) { + case DECODER_SET_NORM: + { + int *input = arg; + u8 regs[] = { + 0x01, *input == VIDEO_MODE_NTSC ? 0xc4 : 0x84, + 0x09, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04, + 0x0a, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, + 0x0b, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04, + 0x0c, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, + 0x0d, *input == VIDEO_MODE_NTSC ? 0x40 : 0x4a, + 0x16, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40, + 0x17, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40, + 0x20, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f, + 0x21, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f, + 0xff, 0xff, + }; + write_regs(client, regs, dec->channel); + dec->norm = *input; + break; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_CONTRAST: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_SATURATION: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_HUE: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + } + break; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value > 255) + dec->brightness = 255; + else if (ctrl->value < 0) + dec->brightness = 0; + else + dec->brightness = ctrl->value; + write_reg(client, 0x12, dec->brightness, dec->channel); + break; + case V4L2_CID_CONTRAST: + if (ctrl->value > 255) + dec->contrast = 255; + else if (ctrl->value < 0) + dec->contrast = 0; + else + dec->contrast = ctrl->value; + write_reg(client, 0x11, dec->contrast, dec->channel); + break; + case V4L2_CID_SATURATION: + if (ctrl->value > 255) + dec->saturation = 255; + else if (ctrl->value < 0) + dec->saturation = 0; + else + dec->saturation = ctrl->value; + write_reg(client, 0x10, dec->saturation, dec->channel); + break; + case V4L2_CID_HUE: + if (ctrl->value > 255) + dec->hue = 255; + else if (ctrl->value < 0) + dec->hue = 0; + else + dec->hue = ctrl->value; + write_reg(client, 0x0f, dec->hue, dec->channel); + break; + } + break; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dec->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dec->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = dec->saturation; + break; + case V4L2_CID_HUE: + ctrl->value = dec->hue; + break; + } + break; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_tw2804_driver; + +static struct i2c_client wis_tw2804_client_templ = { + .name = "TW2804 (WIS)", + .driver = &wis_tw2804_driver, +}; + +static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + struct wis_tw2804 *dec; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_tw2804_client_templ, + sizeof(wis_tw2804_client_templ)); + client->adapter = adapter; + client->addr = addr; + + dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL); + if (dec == NULL) { + kfree(client); + return -ENOMEM; + } + dec->channel = -1; + dec->norm = VIDEO_MODE_NTSC; + dec->brightness = 128; + dec->contrast = 128; + dec->saturation = 128; + dec->hue = 128; + i2c_set_clientdata(client, dec); + + printk(KERN_DEBUG "wis-tw2804: creating TW2804 at address %d on %s\n", + addr, adapter->name); + + i2c_attach_client(client); + return 0; +} + +static int wis_tw2804_detach(struct i2c_client *client) +{ + struct wis_tw2804 *dec = i2c_get_clientdata(client); + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + kfree(dec); + return 0; +} + +static struct i2c_driver wis_tw2804_driver = { + .driver = { + .name = "WIS TW2804 I2C driver", + }, + .id = I2C_DRIVERID_WIS_TW2804, + .detach_client = wis_tw2804_detach, + .command = wis_tw2804_command, +}; + +static int __init wis_tw2804_init(void) +{ + int r; + + r = i2c_add_driver(&wis_tw2804_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_tw2804_driver.id, wis_tw2804_detect); +} + +static void __exit wis_tw2804_cleanup(void) +{ + wis_i2c_del_driver(wis_tw2804_detect); + i2c_del_driver(&wis_tw2804_driver); +} + +module_init(wis_tw2804_init); +module_exit(wis_tw2804_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c new file mode 100644 index 000000000000..1cdf01a8b338 --- /dev/null +++ b/drivers/staging/go7007/wis-tw9903.c @@ -0,0 +1,363 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +struct wis_tw9903 { + int norm; + int brightness; + int contrast; + int hue; +}; + +static u8 initial_registers[] = +{ + 0x02, 0x44, /* input 1, composite */ + 0x03, 0x92, /* correct digital format */ + 0x04, 0x00, + 0x05, 0x80, /* or 0x00 for PAL */ + 0x06, 0x40, /* second internal current reference */ + 0x07, 0x02, /* window */ + 0x08, 0x14, /* window */ + 0x09, 0xf0, /* window */ + 0x0a, 0x81, /* window */ + 0x0b, 0xd0, /* window */ + 0x0c, 0x8c, + 0x0d, 0x00, /* scaling */ + 0x0e, 0x11, /* scaling */ + 0x0f, 0x00, /* scaling */ + 0x10, 0x00, /* brightness */ + 0x11, 0x60, /* contrast */ + 0x12, 0x01, /* sharpness */ + 0x13, 0x7f, /* U gain */ + 0x14, 0x5a, /* V gain */ + 0x15, 0x00, /* hue */ + 0x16, 0xc3, /* sharpness */ + 0x18, 0x00, + 0x19, 0x58, /* vbi */ + 0x1a, 0x80, + 0x1c, 0x0f, /* video norm */ + 0x1d, 0x7f, /* video norm */ + 0x20, 0xa0, /* clamping gain (working 0x50) */ + 0x21, 0x22, + 0x22, 0xf0, + 0x23, 0xfe, + 0x24, 0x3c, + 0x25, 0x38, + 0x26, 0x44, + 0x27, 0x20, + 0x28, 0x00, + 0x29, 0x15, + 0x2a, 0xa0, + 0x2b, 0x44, + 0x2c, 0x37, + 0x2d, 0x00, + 0x2e, 0xa5, /* burst PLL control (working: a9) */ + 0x2f, 0xe0, /* 0xea is blue test frame -- 0xe0 for normal */ + 0x31, 0x00, + 0x33, 0x22, + 0x34, 0x11, + 0x35, 0x35, + 0x3b, 0x05, + 0x06, 0xc0, /* reset device */ + 0x00, 0x00, /* Terminator (reg 0x00 is read-only) */ +}; + +static int write_reg(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +static int write_regs(struct i2c_client *client, u8 *regs) +{ + int i; + + for (i = 0; regs[i] != 0x00; i += 2) + if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) + return -1; + return 0; +} + +static int wis_tw9903_command(struct i2c_client *client, + unsigned int cmd, void *arg) +{ + struct wis_tw9903 *dec = i2c_get_clientdata(client); + + switch (cmd) { + case DECODER_SET_INPUT: + { + int *input = arg; + + i2c_smbus_write_byte_data(client, 0x02, 0x40 | (*input << 1)); + break; + } +#if 0 /* The scaler on this thing seems to be horribly broken */ + case DECODER_SET_RESOLUTION: + { + struct video_decoder_resolution *res = arg; + /*int hscale = 256 * 720 / res->width;*/ + int hscale = 256 * 720 / (res->width - (res->width > 704 ? 0 : 8)); + int vscale = 256 * (dec->norm == VIDEO_MODE_NTSC ? 240 : 288) + / res->height; + u8 regs[] = { + 0x0d, vscale & 0xff, + 0x0f, hscale & 0xff, + 0x0e, ((vscale & 0xf00) >> 4) | ((hscale & 0xf00) >> 8), + 0x06, 0xc0, /* reset device */ + 0, 0, + }; + printk(KERN_DEBUG "vscale is %04x, hscale is %04x\n", + vscale, hscale); + /*write_regs(client, regs);*/ + break; + } +#endif + case DECODER_SET_NORM: + { + int *input = arg; + u8 regs[] = { + 0x05, *input == VIDEO_MODE_NTSC ? 0x80 : 0x00, + 0x07, *input == VIDEO_MODE_NTSC ? 0x02 : 0x12, + 0x08, *input == VIDEO_MODE_NTSC ? 0x14 : 0x18, + 0x09, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, + 0, 0, + }; + write_regs(client, regs); + dec->norm = *input; + break; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)); + ctrl->minimum = -128; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 0x00; + ctrl->flags = 0; + break; + case V4L2_CID_CONTRAST: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 0x60; + ctrl->flags = 0; + break; +#if 0 + /* I don't understand how the Chroma Gain registers work... */ + case V4L2_CID_SATURATION: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 64; + ctrl->flags = 0; + break; +#endif + case V4L2_CID_HUE: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); + ctrl->minimum = -128; + ctrl->maximum = 127; + ctrl->step = 1; + ctrl->default_value = 0; + ctrl->flags = 0; + break; + } + break; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value > 127) + dec->brightness = 127; + else if (ctrl->value < -128) + dec->brightness = -128; + else + dec->brightness = ctrl->value; + write_reg(client, 0x10, dec->brightness); + break; + case V4L2_CID_CONTRAST: + if (ctrl->value > 255) + dec->contrast = 255; + else if (ctrl->value < 0) + dec->contrast = 0; + else + dec->contrast = ctrl->value; + write_reg(client, 0x11, dec->contrast); + break; +#if 0 + case V4L2_CID_SATURATION: + if (ctrl->value > 127) + dec->saturation = 127; + else if (ctrl->value < 0) + dec->saturation = 0; + else + dec->saturation = ctrl->value; + /*write_reg(client, 0x0c, dec->saturation);*/ + break; +#endif + case V4L2_CID_HUE: + if (ctrl->value > 127) + dec->hue = 127; + else if (ctrl->value < -128) + dec->hue = -128; + else + dec->hue = ctrl->value; + write_reg(client, 0x15, dec->hue); + break; + } + break; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dec->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dec->contrast; + break; +#if 0 + case V4L2_CID_SATURATION: + ctrl->value = dec->saturation; + break; +#endif + case V4L2_CID_HUE: + ctrl->value = dec->hue; + break; + } + break; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_tw9903_driver; + +static struct i2c_client wis_tw9903_client_templ = { + .name = "TW9903 (WIS)", + .driver = &wis_tw9903_driver, +}; + +static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + struct wis_tw9903 *dec; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_tw9903_client_templ, + sizeof(wis_tw9903_client_templ)); + client->adapter = adapter; + client->addr = addr; + + dec = kmalloc(sizeof(struct wis_tw9903), GFP_KERNEL); + if (dec == NULL) { + kfree(client); + return -ENOMEM; + } + dec->norm = VIDEO_MODE_NTSC; + dec->brightness = 0; + dec->contrast = 0x60; + dec->hue = 0; + i2c_set_clientdata(client, dec); + + printk(KERN_DEBUG + "wis-tw9903: initializing TW9903 at address %d on %s\n", + addr, adapter->name); + + if (write_regs(client, initial_registers) < 0) { + printk(KERN_ERR "wis-tw9903: error initializing TW9903\n"); + kfree(client); + kfree(dec); + return 0; + } + + i2c_attach_client(client); + return 0; +} + +static int wis_tw9903_detach(struct i2c_client *client) +{ + struct wis_tw9903 *dec = i2c_get_clientdata(client); + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + kfree(dec); + return 0; +} + +static struct i2c_driver wis_tw9903_driver = { + .driver = { + .name = "WIS TW9903 I2C driver", + }, + .id = I2C_DRIVERID_WIS_TW9903, + .detach_client = wis_tw9903_detach, + .command = wis_tw9903_command, +}; + +static int __init wis_tw9903_init(void) +{ + int r; + + r = i2c_add_driver(&wis_tw9903_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_tw9903_driver.id, wis_tw9903_detect); +} + +static void __exit wis_tw9903_cleanup(void) +{ + wis_i2c_del_driver(wis_tw9903_detect); + i2c_del_driver(&wis_tw9903_driver); +} + +module_init(wis_tw9903_init); +module_exit(wis_tw9903_cleanup); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c new file mode 100644 index 000000000000..28c10bf3a47b --- /dev/null +++ b/drivers/staging/go7007/wis-uda1342.c @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2005-2006 Micronas USA Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "wis-i2c.h" + +static int write_reg(struct i2c_client *client, int reg, int value) +{ + /* UDA1342 wants MSB first, but SMBus sends LSB first */ + i2c_smbus_write_word_data(client, reg, swab16(value)); + return 0; +} + +static int wis_uda1342_command(struct i2c_client *client, + unsigned int cmd, void *arg) +{ + switch (cmd) { + case VIDIOC_S_AUDIO: + { + int *inp = arg; + + switch (*inp) { + case TVAUDIO_INPUT_TUNER: + write_reg(client, 0x00, 0x1441); /* select input 2 */ + break; + case TVAUDIO_INPUT_EXTERN: + write_reg(client, 0x00, 0x1241); /* select input 1 */ + break; + default: + printk(KERN_ERR "wis-uda1342: input %d not supported\n", + *inp); + break; + } + break; + } + default: + break; + } + return 0; +} + +static struct i2c_driver wis_uda1342_driver; + +static struct i2c_client wis_uda1342_client_templ = { + .name = "UDA1342 (WIS)", + .driver = &wis_uda1342_driver, +}; + +static int wis_uda1342_detect(struct i2c_adapter *adapter, int addr, int kind) +{ + struct i2c_client *client; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) + return 0; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (client == NULL) + return -ENOMEM; + memcpy(client, &wis_uda1342_client_templ, + sizeof(wis_uda1342_client_templ)); + client->adapter = adapter; + client->addr = addr; + + printk(KERN_DEBUG + "wis-uda1342: initializing UDA1342 at address %d on %s\n", + addr, adapter->name); + + write_reg(client, 0x00, 0x8000); /* reset registers */ + write_reg(client, 0x00, 0x1241); /* select input 1 */ + + i2c_attach_client(client); + return 0; +} + +static int wis_uda1342_detach(struct i2c_client *client) +{ + int r; + + r = i2c_detach_client(client); + if (r < 0) + return r; + + kfree(client); + return 0; +} + +static struct i2c_driver wis_uda1342_driver = { + .driver = { + .name = "WIS UDA1342 I2C driver", + }, + .id = I2C_DRIVERID_WIS_UDA1342, + .detach_client = wis_uda1342_detach, + .command = wis_uda1342_command, +}; + +static int __init wis_uda1342_init(void) +{ + int r; + + r = i2c_add_driver(&wis_uda1342_driver); + if (r < 0) + return r; + return wis_i2c_add_driver(wis_uda1342_driver.id, wis_uda1342_detect); +} + +static void __exit wis_uda1342_cleanup(void) +{ + wis_i2c_del_driver(wis_uda1342_detect); + i2c_del_driver(&wis_uda1342_driver); +} + +module_init(wis_uda1342_init); +module_exit(wis_uda1342_cleanup); + +MODULE_LICENSE("GPL v2"); -- GitLab From 05a1f28e879e3b4d6a9c08e30b1898943f77b6e7 Mon Sep 17 00:00:00 2001 From: Takahiro Hirofuchi Date: Wed, 9 Jul 2008 14:56:51 -0600 Subject: [PATCH 3636/6244] Staging: USB/IP: add common functions needed This adds the common functions needed by both the host and client side of the USB/IP code. Brian Merrell cleaned up a lot of this code and submitted it for inclusion. Greg also did a lot of cleanup. Signed-off-by: Brian G. Merrell Cc: Takahiro Hirofuchi Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/usbip/Kconfig | 14 + drivers/staging/usbip/Makefile | 6 + drivers/staging/usbip/README | 6 + drivers/staging/usbip/usbip_common.c | 997 +++++++++++++++++++++++++++ drivers/staging/usbip/usbip_common.h | 406 +++++++++++ drivers/staging/usbip/usbip_event.c | 141 ++++ 8 files changed, 1573 insertions(+) create mode 100644 drivers/staging/usbip/Kconfig create mode 100644 drivers/staging/usbip/Makefile create mode 100644 drivers/staging/usbip/README create mode 100644 drivers/staging/usbip/usbip_common.c create mode 100644 drivers/staging/usbip/usbip_common.h create mode 100644 drivers/staging/usbip/usbip_event.c diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index f16bc9cdaf33..4dbf795df744 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -33,4 +33,6 @@ source "drivers/staging/me4000/Kconfig" source "drivers/staging/go7007/Kconfig" +source "drivers/staging/usbip/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index aa61662e6321..be42c0d4db0e 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_SXG) += sxg/ obj-$(CONFIG_ME4000) += me4000/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ +obj-$(CONFIG_USB_IP_COMMON) += usbip/ diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig new file mode 100644 index 000000000000..37efb5e1bb82 --- /dev/null +++ b/drivers/staging/usbip/Kconfig @@ -0,0 +1,14 @@ +config USB_IP_COMMON + tristate "USB IP support (EXPERIMENTAL)" + depends on USB && EXPERIMENTAL + default N + ---help--- + This enables pushing USB packets over IP to allow remote + machines access to USB devices directly. For more details, + and links to the userspace utility programs to let this work + properly, see http://usbip.naist.jp/ + + To compile this driver as a module, choose M here: the + module will be called usbip_common_mod. + + If unsure, say N. diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile new file mode 100644 index 000000000000..ce925caa6083 --- /dev/null +++ b/drivers/staging/usbip/Makefile @@ -0,0 +1,6 @@ +obj-$(CONFIG_USB_IP_COMMON) += usbip_common_mod.o +usbip_common_mod-objs := usbip_common.o usbip_event.o + +ifeq ($(CONFIG_USB_DEBUG),y) + EXTRA_CFLAGS += -DDEBUG +endif diff --git a/drivers/staging/usbip/README b/drivers/staging/usbip/README new file mode 100644 index 000000000000..c11be5735485 --- /dev/null +++ b/drivers/staging/usbip/README @@ -0,0 +1,6 @@ +TODO: + - more discussion about the protocol + - testing + - review of the userspace interface + +Please send patches for this code to Greg Kroah-Hartman diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c new file mode 100644 index 000000000000..e64918f42ff7 --- /dev/null +++ b/drivers/staging/usbip/usbip_common.c @@ -0,0 +1,997 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include +#include +#include +#include +#include "usbip_common.h" + +/* version information */ +#define DRIVER_VERSION "1.0" +#define DRIVER_AUTHOR "Takahiro Hirofuchi " +#define DRIVER_DESC "usbip common driver" + +/*-------------------------------------------------------------------------*/ +/* debug routines */ + +#ifdef CONFIG_USB_DEBUG +unsigned long usbip_debug_flag = 0xffffffff; +#else +unsigned long usbip_debug_flag; +#endif +EXPORT_SYMBOL_GPL(usbip_debug_flag); + + +/* FIXME */ +struct device_attribute dev_attr_usbip_debug; +EXPORT_SYMBOL_GPL(dev_attr_usbip_debug); + + +static ssize_t show_flag(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%lx\n", usbip_debug_flag); +} + +static ssize_t store_flag(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + unsigned long flag; + + sscanf(buf, "%lx", &flag); + usbip_debug_flag = flag; + + return count; +} +DEVICE_ATTR(usbip_debug, (S_IRUGO | S_IWUSR), show_flag, store_flag); + +static void usbip_dump_buffer(char *buff, int bufflen) +{ + int i; + + if (bufflen > 128) { + for (i = 0; i < 128; i++) { + if (i%24 == 0) + printk(" "); + printk("%02x ", (unsigned char) buff[i]); + if (i%4 == 3) + printk("| "); + if (i%24 == 23) + printk("\n"); + } + printk("... (%d byte)\n", bufflen); + return; + } + + for (i = 0; i < bufflen; i++) { + if (i%24 == 0) + printk(" "); + printk("%02x ", (unsigned char) buff[i]); + if (i%4 == 3) + printk("| "); + if (i%24 == 23) + printk("\n"); + } + printk("\n"); + +} + +static void usbip_dump_pipe(unsigned int p) +{ + unsigned char type = usb_pipetype(p); + unsigned char ep = usb_pipeendpoint(p); + unsigned char dev = usb_pipedevice(p); + unsigned char dir = usb_pipein(p); + + printk("dev(%d) ", dev); + printk("ep(%d) ", ep); + printk("%s ", dir ? "IN" : "OUT"); + + switch (type) { + case PIPE_ISOCHRONOUS: + printk("%s ", "ISO"); + break; + case PIPE_INTERRUPT: + printk("%s ", "INT"); + break; + case PIPE_CONTROL: + printk("%s ", "CTL"); + break; + case PIPE_BULK: + printk("%s ", "BLK"); + break; + default: + printk("ERR"); + } + + printk("\n"); + +} + +static void usbip_dump_usb_device(struct usb_device *udev) +{ + struct device *dev = &udev->dev; + int i; + + dev_dbg(dev, " devnum(%d) devpath(%s)", + udev->devnum, udev->devpath); + + switch (udev->speed) { + case USB_SPEED_HIGH: + printk(" SPD_HIGH"); + break; + case USB_SPEED_FULL: + printk(" SPD_FULL"); + break; + case USB_SPEED_LOW: + printk(" SPD_LOW"); + break; + case USB_SPEED_UNKNOWN: + printk(" SPD_UNKNOWN"); + break; + default: + printk(" SPD_ERROR"); + } + + printk(" tt %p, ttport %d", udev->tt, udev->ttport); + printk("\n"); + + dev_dbg(dev, " "); + for (i = 0; i < 16; i++) + printk(" %2u", i); + printk("\n"); + + dev_dbg(dev, " toggle0(IN) :"); + for (i = 0; i < 16; i++) + printk(" %2u", (udev->toggle[0] & (1 << i)) ? 1 : 0); + printk("\n"); + + dev_dbg(dev, " toggle1(OUT):"); + for (i = 0; i < 16; i++) + printk(" %2u", (udev->toggle[1] & (1 << i)) ? 1 : 0); + printk("\n"); + + + dev_dbg(dev, " epmaxp_in :"); + for (i = 0; i < 16; i++) { + if (udev->ep_in[i]) + printk(" %2u", + le16_to_cpu(udev->ep_in[i]->desc.wMaxPacketSize)); + } + printk("\n"); + + dev_dbg(dev, " epmaxp_out :"); + for (i = 0; i < 16; i++) { + if (udev->ep_out[i]) + printk(" %2u", + le16_to_cpu(udev->ep_out[i]->desc.wMaxPacketSize)); + } + printk("\n"); + + dev_dbg(dev, "parent %p, bus %p\n", udev->parent, udev->bus); + + dev_dbg(dev, "descriptor %p, config %p, actconfig %p, " + "rawdescriptors %p\n", &udev->descriptor, udev->config, + udev->actconfig, udev->rawdescriptors); + + dev_dbg(dev, "have_langid %d, string_langid %d\n", + udev->have_langid, udev->string_langid); + + dev_dbg(dev, "maxchild %d, children %p\n", + udev->maxchild, udev->children); +} + +static void usbip_dump_request_type(__u8 rt) +{ + switch (rt & USB_RECIP_MASK) { + case USB_RECIP_DEVICE: + printk("DEVICE"); + break; + case USB_RECIP_INTERFACE: + printk("INTERF"); + break; + case USB_RECIP_ENDPOINT: + printk("ENDPOI"); + break; + case USB_RECIP_OTHER: + printk("OTHER "); + break; + default: + printk("------"); + } +} + +static void usbip_dump_usb_ctrlrequest(struct usb_ctrlrequest *cmd) +{ + if (!cmd) { + printk(" %s : null pointer\n", __FUNCTION__); + return; + } + + printk(" "); + printk("bRequestType(%02X) ", cmd->bRequestType); + printk("bRequest(%02X) " , cmd->bRequest); + printk("wValue(%04X) ", cmd->wValue); + printk("wIndex(%04X) ", cmd->wIndex); + printk("wLength(%04X) ", cmd->wLength); + + printk("\n "); + + if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) { + printk("STANDARD "); + switch (cmd->bRequest) { + case USB_REQ_GET_STATUS: + printk("GET_STATUS"); + break; + case USB_REQ_CLEAR_FEATURE: + printk("CLEAR_FEAT"); + break; + case USB_REQ_SET_FEATURE: + printk("SET_FEAT "); + break; + case USB_REQ_SET_ADDRESS: + printk("SET_ADDRRS"); + break; + case USB_REQ_GET_DESCRIPTOR: + printk("GET_DESCRI"); + break; + case USB_REQ_SET_DESCRIPTOR: + printk("SET_DESCRI"); + break; + case USB_REQ_GET_CONFIGURATION: + printk("GET_CONFIG"); + break; + case USB_REQ_SET_CONFIGURATION: + printk("SET_CONFIG"); + break; + case USB_REQ_GET_INTERFACE: + printk("GET_INTERF"); + break; + case USB_REQ_SET_INTERFACE: + printk("SET_INTERF"); + break; + case USB_REQ_SYNCH_FRAME: + printk("SYNC_FRAME"); + break; + default: + printk("REQ(%02X) ", cmd->bRequest); + } + + printk(" "); + usbip_dump_request_type(cmd->bRequestType); + + } else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_CLASS) + printk("CLASS "); + + else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_VENDOR) + printk("VENDOR "); + + else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_RESERVED) + printk("RESERVED"); + + printk("\n"); +} + +void usbip_dump_urb(struct urb *urb) +{ + struct device *dev; + + if (!urb) { + printk(KERN_DEBUG KBUILD_MODNAME + ":%s: urb: null pointer!!\n", __func__); + return; + } + + if (!urb->dev) { + printk(KERN_DEBUG KBUILD_MODNAME + ":%s: urb->dev: null pointer!!\n", __func__); + return; + } + dev = &urb->dev->dev; + + dev_dbg(dev, " urb :%p\n", urb); + dev_dbg(dev, " dev :%p\n", urb->dev); + + usbip_dump_usb_device(urb->dev); + + dev_dbg(dev, " pipe :%08x ", urb->pipe); + + usbip_dump_pipe(urb->pipe); + + dev_dbg(dev, " status :%d\n", urb->status); + dev_dbg(dev, " transfer_flags :%08X\n", urb->transfer_flags); + dev_dbg(dev, " transfer_buffer :%p\n", urb->transfer_buffer); + dev_dbg(dev, " transfer_buffer_length:%d\n", urb->transfer_buffer_length); + dev_dbg(dev, " actual_length :%d\n", urb->actual_length); + dev_dbg(dev, " setup_packet :%p\n", urb->setup_packet); + + if (urb->setup_packet && usb_pipetype(urb->pipe) == PIPE_CONTROL) + usbip_dump_usb_ctrlrequest( + (struct usb_ctrlrequest *)urb->setup_packet); + + dev_dbg(dev, " start_frame :%d\n", urb->start_frame); + dev_dbg(dev, " number_of_packets :%d\n", urb->number_of_packets); + dev_dbg(dev, " interval :%d\n", urb->interval); + dev_dbg(dev, " error_count :%d\n", urb->error_count); + dev_dbg(dev, " context :%p\n", urb->context); + dev_dbg(dev, " complete :%p\n", urb->complete); +} +EXPORT_SYMBOL_GPL(usbip_dump_urb); + +void usbip_dump_header(struct usbip_header *pdu) +{ + udbg("BASE: cmd %u seq %u devid %u dir %u ep %u\n", + pdu->base.command, + pdu->base.seqnum, + pdu->base.devid, + pdu->base.direction, + pdu->base.ep); + + switch (pdu->base.command) { + case USBIP_CMD_SUBMIT: + udbg("CMD_SUBMIT: x_flags %u x_len %u sf %u #p %u iv %u\n", + pdu->u.cmd_submit.transfer_flags, + pdu->u.cmd_submit.transfer_buffer_length, + pdu->u.cmd_submit.start_frame, + pdu->u.cmd_submit.number_of_packets, + pdu->u.cmd_submit.interval); + break; + case USBIP_CMD_UNLINK: + udbg("CMD_UNLINK: seq %u\n", pdu->u.cmd_unlink.seqnum); + break; + case USBIP_RET_SUBMIT: + udbg("RET_SUBMIT: st %d al %u sf %d ec %d\n", + pdu->u.ret_submit.status, + pdu->u.ret_submit.actual_length, + pdu->u.ret_submit.start_frame, + pdu->u.ret_submit.error_count); + case USBIP_RET_UNLINK: + udbg("RET_UNLINK: status %d\n", pdu->u.ret_unlink.status); + break; + default: + /* NOT REACHED */ + udbg("UNKNOWN\n"); + } +} +EXPORT_SYMBOL_GPL(usbip_dump_header); + + +/*-------------------------------------------------------------------------*/ +/* thread routines */ + +int usbip_thread(void *param) +{ + struct usbip_task *ut = param; + + if (!ut) + return -EINVAL; + + lock_kernel(); + daemonize(ut->name); + allow_signal(SIGKILL); + ut->thread = current; + unlock_kernel(); + + /* srv.rb must wait for rx_thread starting */ + complete(&ut->thread_done); + + /* start of while loop */ + ut->loop_ops(ut); + + /* end of loop */ + ut->thread = NULL; + + complete_and_exit(&ut->thread_done, 0); +} + +void usbip_start_threads(struct usbip_device *ud) +{ + /* + * threads are invoked per one device (per one connection). + */ + kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0); + kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0); + + /* confirm threads are starting */ + wait_for_completion(&ud->tcp_rx.thread_done); + wait_for_completion(&ud->tcp_tx.thread_done); +} +EXPORT_SYMBOL_GPL(usbip_start_threads); + +void usbip_stop_threads(struct usbip_device *ud) +{ + /* kill threads related to this sdev, if v.c. exists */ + if (ud->tcp_rx.thread != NULL) { + send_sig(SIGKILL, ud->tcp_rx.thread, 1); + wait_for_completion(&ud->tcp_rx.thread_done); + udbg("rx_thread for ud %p has finished\n", ud); + } + + if (ud->tcp_tx.thread != NULL) { + send_sig(SIGKILL, ud->tcp_tx.thread, 1); + wait_for_completion(&ud->tcp_tx.thread_done); + udbg("tx_thread for ud %p has finished\n", ud); + } +} +EXPORT_SYMBOL_GPL(usbip_stop_threads); + +void usbip_task_init(struct usbip_task *ut, char *name, + void (*loop_ops)(struct usbip_task *)) +{ + ut->thread = NULL; + init_completion(&ut->thread_done); + ut->name = name; + ut->loop_ops = loop_ops; +} +EXPORT_SYMBOL_GPL(usbip_task_init); + + +/*-------------------------------------------------------------------------*/ +/* socket routines */ + + /* Send/receive messages over TCP/IP. I refer drivers/block/nbd.c */ +int usbip_xmit(int send, struct socket *sock, char *buf, + int size, int msg_flags) +{ + int result; + struct msghdr msg; + struct kvec iov; + int total = 0; + + /* for blocks of if (dbg_flag_xmit) */ + char *bp = buf; + int osize = size; + + dbg_xmit("enter\n"); + + if (!sock || !buf || !size) { + printk(KERN_ERR "%s: invalid arg, sock %p buff %p size %d\n", + __func__, sock, buf, size); + return -EINVAL; + } + + + if (dbg_flag_xmit) { + if (send) { + if (!in_interrupt()) + printk(KERN_DEBUG "%-10s:", current->comm); + else + printk(KERN_DEBUG "interupt :"); + + printk("%s: sending... , sock %p, buf %p, " + "size %d, msg_flags %d\n", __func__, + sock, buf, size, msg_flags); + usbip_dump_buffer(buf, size); + } + } + + + do { + sock->sk->sk_allocation = GFP_NOIO; + iov.iov_base = buf; + iov.iov_len = size; + msg.msg_name = NULL; + msg.msg_namelen = 0; + msg.msg_control = NULL; + msg.msg_controllen = 0; + msg.msg_namelen = 0; + msg.msg_flags = msg_flags | MSG_NOSIGNAL; + + if (send) + result = kernel_sendmsg(sock, &msg, &iov, 1, size); + else + result = kernel_recvmsg(sock, &msg, &iov, 1, size, + MSG_WAITALL); + + if (result <= 0) { + udbg("usbip_xmit: %s sock %p buf %p size %u ret %d" + " total %d\n", + send ? "send" : "receive", sock, buf, + size, result, total); + goto err; + } + + size -= result; + buf += result; + total += result; + + } while (size > 0); + + + if (dbg_flag_xmit) { + if (!send) { + if (!in_interrupt()) + printk(KERN_DEBUG "%-10s:", current->comm); + else + printk(KERN_DEBUG "interupt :"); + + printk("usbip_xmit: receiving....\n"); + usbip_dump_buffer(bp, osize); + printk("usbip_xmit: received, osize %d ret %d size %d " + "total %d\n", osize, result, size, + total); + } + + if (send) + printk("usbip_xmit: send, total %d\n", total); + } + + return total; + +err: + return result; +} +EXPORT_SYMBOL_GPL(usbip_xmit); + + +/* now a usrland utility should set options. */ +#if 0 +int setquickack(struct socket *socket) +{ + mm_segment_t oldfs; + int val = 1; + int ret; + + oldfs = get_fs(); + set_fs(get_ds()); + ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_QUICKACK, + (char __user *) &val, sizeof(ret)); + set_fs(oldfs); + + return ret; +} + +int setnodelay(struct socket *socket) +{ + mm_segment_t oldfs; + int val = 1; + int ret; + + oldfs = get_fs(); + set_fs(get_ds()); + ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_NODELAY, + (char __user *) &val, sizeof(ret)); + set_fs(oldfs); + + return ret; +} + +int setkeepalive(struct socket *socket) +{ + mm_segment_t oldfs; + int val = 1; + int ret; + + oldfs = get_fs(); + set_fs(get_ds()); + ret = socket->ops->setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, + (char __user *) &val, sizeof(ret)); + set_fs(oldfs); + + return ret; +} + +void setreuse(struct socket *socket) +{ + socket->sk->sk_reuse = 1; +} +#endif + +struct socket *sockfd_to_socket(unsigned int sockfd) +{ + struct socket *socket; + struct file *file; + struct inode *inode; + + file = fget(sockfd); + if (!file) { + printk(KERN_ERR "%s: invalid sockfd\n", __func__); + return NULL; + } + + inode = file->f_dentry->d_inode; + + if (!inode || !S_ISSOCK(inode->i_mode)) + return NULL; + + socket = SOCKET_I(inode); + + return socket; +} +EXPORT_SYMBOL_GPL(sockfd_to_socket); + + + +/*-------------------------------------------------------------------------*/ +/* pdu routines */ + +/* there may be more cases to tweak the flags. */ +static unsigned int tweak_transfer_flags(unsigned int flags) +{ + + if (flags & URB_NO_TRANSFER_DMA_MAP) + /* + * vhci_hcd does not provide DMA-mapped I/O. The upper + * driver does not need to set this flag. The remote + * usbip.ko does not still perform DMA-mapped I/O for + * DMA-caplable host controllers. So, clear this flag. + */ + flags &= ~URB_NO_TRANSFER_DMA_MAP; + + if (flags & URB_NO_SETUP_DMA_MAP) + flags &= ~URB_NO_SETUP_DMA_MAP; + + return flags; +} + +static void usbip_pack_cmd_submit(struct usbip_header *pdu, struct urb *urb, + int pack) +{ + struct usbip_header_cmd_submit *spdu = &pdu->u.cmd_submit; + + /* + * Some members are not still implemented in usbip. I hope this issue + * will be discussed when usbip is ported to other operating systems. + */ + if (pack) { + /* vhci_tx.c */ + spdu->transfer_flags = + tweak_transfer_flags(urb->transfer_flags); + spdu->transfer_buffer_length = urb->transfer_buffer_length; + spdu->start_frame = urb->start_frame; + spdu->number_of_packets = urb->number_of_packets; + spdu->interval = urb->interval; + } else { + /* stub_rx.c */ + urb->transfer_flags = spdu->transfer_flags; + + urb->transfer_buffer_length = spdu->transfer_buffer_length; + urb->start_frame = spdu->start_frame; + urb->number_of_packets = spdu->number_of_packets; + urb->interval = spdu->interval; + } +} + +static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb, + int pack) +{ + struct usbip_header_ret_submit *rpdu = &pdu->u.ret_submit; + + if (pack) { + /* stub_tx.c */ + + rpdu->status = urb->status; + rpdu->actual_length = urb->actual_length; + rpdu->start_frame = urb->start_frame; + rpdu->error_count = urb->error_count; + } else { + /* vhci_rx.c */ + + urb->status = rpdu->status; + urb->actual_length = rpdu->actual_length; + urb->start_frame = rpdu->start_frame; + urb->error_count = rpdu->error_count; + } +} + + +void usbip_pack_pdu(struct usbip_header *pdu, struct urb *urb, int cmd, + int pack) +{ + switch (cmd) { + case USBIP_CMD_SUBMIT: + usbip_pack_cmd_submit(pdu, urb, pack); + break; + case USBIP_RET_SUBMIT: + usbip_pack_ret_submit(pdu, urb, pack); + break; + default: + err("unknown command"); + /* NOTREACHED */ + /* BUG(); */ + } +} +EXPORT_SYMBOL_GPL(usbip_pack_pdu); + + +static void correct_endian_basic(struct usbip_header_basic *base, int send) +{ + if (send) { + base->command = cpu_to_be32(base->command); + base->seqnum = cpu_to_be32(base->seqnum); + base->devid = cpu_to_be32(base->devid); + base->direction = cpu_to_be32(base->direction); + base->ep = cpu_to_be32(base->ep); + } else { + base->command = be32_to_cpu(base->command); + base->seqnum = be32_to_cpu(base->seqnum); + base->devid = be32_to_cpu(base->devid); + base->direction = be32_to_cpu(base->direction); + base->ep = be32_to_cpu(base->ep); + } +} + +static void correct_endian_cmd_submit(struct usbip_header_cmd_submit *pdu, + int send) +{ + if (send) { + pdu->transfer_flags = cpu_to_be32(pdu->transfer_flags); + + cpu_to_be32s(&pdu->transfer_buffer_length); + cpu_to_be32s(&pdu->start_frame); + cpu_to_be32s(&pdu->number_of_packets); + cpu_to_be32s(&pdu->interval); + } else { + pdu->transfer_flags = be32_to_cpu(pdu->transfer_flags); + + be32_to_cpus(&pdu->transfer_buffer_length); + be32_to_cpus(&pdu->start_frame); + be32_to_cpus(&pdu->number_of_packets); + be32_to_cpus(&pdu->interval); + } +} + +static void correct_endian_ret_submit(struct usbip_header_ret_submit *pdu, + int send) +{ + if (send) { + cpu_to_be32s(&pdu->status); + cpu_to_be32s(&pdu->actual_length); + cpu_to_be32s(&pdu->start_frame); + cpu_to_be32s(&pdu->error_count); + } else { + be32_to_cpus(&pdu->status); + be32_to_cpus(&pdu->actual_length); + be32_to_cpus(&pdu->start_frame); + be32_to_cpus(&pdu->error_count); + } +} + +static void correct_endian_cmd_unlink(struct usbip_header_cmd_unlink *pdu, + int send) +{ + if (send) + pdu->seqnum = cpu_to_be32(pdu->seqnum); + else + pdu->seqnum = be32_to_cpu(pdu->seqnum); +} + +static void correct_endian_ret_unlink(struct usbip_header_ret_unlink *pdu, + int send) +{ + if (send) + cpu_to_be32s(&pdu->status); + else + be32_to_cpus(&pdu->status); +} + +void usbip_header_correct_endian(struct usbip_header *pdu, int send) +{ + __u32 cmd = 0; + + if (send) + cmd = pdu->base.command; + + correct_endian_basic(&pdu->base, send); + + if (!send) + cmd = pdu->base.command; + + switch (cmd) { + case USBIP_CMD_SUBMIT: + correct_endian_cmd_submit(&pdu->u.cmd_submit, send); + break; + case USBIP_RET_SUBMIT: + correct_endian_ret_submit(&pdu->u.ret_submit, send); + break; + case USBIP_CMD_UNLINK: + correct_endian_cmd_unlink(&pdu->u.cmd_unlink, send); + break; + case USBIP_RET_UNLINK: + correct_endian_ret_unlink(&pdu->u.ret_unlink, send); + break; + default: + /* NOTREACHED */ + err("unknown command in pdu header: %d", cmd); + /* BUG(); */ + } +} +EXPORT_SYMBOL_GPL(usbip_header_correct_endian); + +static void usbip_iso_pakcet_correct_endian( + struct usbip_iso_packet_descriptor *iso, + int send) +{ + /* does not need all members. but copy all simply. */ + if (send) { + iso->offset = cpu_to_be32(iso->offset); + iso->length = cpu_to_be32(iso->length); + iso->status = cpu_to_be32(iso->status); + iso->actual_length = cpu_to_be32(iso->actual_length); + } else { + iso->offset = be32_to_cpu(iso->offset); + iso->length = be32_to_cpu(iso->length); + iso->status = be32_to_cpu(iso->status); + iso->actual_length = be32_to_cpu(iso->actual_length); + } +} + +static void usbip_pack_iso(struct usbip_iso_packet_descriptor *iso, + struct usb_iso_packet_descriptor *uiso, int pack) +{ + if (pack) { + iso->offset = uiso->offset; + iso->length = uiso->length; + iso->status = uiso->status; + iso->actual_length = uiso->actual_length; + } else { + uiso->offset = iso->offset; + uiso->length = iso->length; + uiso->status = iso->status; + uiso->actual_length = iso->actual_length; + } +} + + +/* must free buffer */ +void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen) +{ + void *buff; + struct usbip_iso_packet_descriptor *iso; + int np = urb->number_of_packets; + ssize_t size = np * sizeof(*iso); + int i; + + buff = kzalloc(size, GFP_KERNEL); + if (!buff) + return NULL; + + for (i = 0; i < np; i++) { + iso = buff + (i * sizeof(*iso)); + + usbip_pack_iso(iso, &urb->iso_frame_desc[i], 1); + usbip_iso_pakcet_correct_endian(iso, 1); + } + + *bufflen = size; + + return buff; +} +EXPORT_SYMBOL_GPL(usbip_alloc_iso_desc_pdu); + +/* some members of urb must be substituted before. */ +int usbip_recv_iso(struct usbip_device *ud, struct urb *urb) +{ + void *buff; + struct usbip_iso_packet_descriptor *iso; + int np = urb->number_of_packets; + int size = np * sizeof(*iso); + int i; + int ret; + + if (!usb_pipeisoc(urb->pipe)) + return 0; + + /* my Bluetooth dongle gets ISO URBs which are np = 0 */ + if (np == 0) { + /* uinfo("iso np == 0\n"); */ + /* usbip_dump_urb(urb); */ + return 0; + } + + buff = kzalloc(size, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + ret = usbip_xmit(0, ud->tcp_socket, buff, size, 0); + if (ret != size) { + dev_err(&urb->dev->dev, "recv iso_frame_descriptor, %d\n", + ret); + kfree(buff); + + if (ud->side == USBIP_STUB) + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + else + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + + return -EPIPE; + } + + for (i = 0; i < np; i++) { + iso = buff + (i * sizeof(*iso)); + + usbip_iso_pakcet_correct_endian(iso, 0); + usbip_pack_iso(iso, &urb->iso_frame_desc[i], 0); + } + + + kfree(buff); + + return ret; +} +EXPORT_SYMBOL_GPL(usbip_recv_iso); + + +/* some members of urb must be substituted before. */ +int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) +{ + int ret; + int size; + + if (ud->side == USBIP_STUB) { + /* stub_rx.c */ + /* the direction of urb must be OUT. */ + if (usb_pipein(urb->pipe)) + return 0; + + size = urb->transfer_buffer_length; + } else { + /* vhci_rx.c */ + /* the direction of urb must be IN. */ + if (usb_pipeout(urb->pipe)) + return 0; + + size = urb->actual_length; + } + + /* no need to recv xbuff */ + if (!(size > 0)) + return 0; + + ret = usbip_xmit(0, ud->tcp_socket, (char *)urb->transfer_buffer, + size, 0); + if (ret != size) { + dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret); + if (ud->side == USBIP_STUB) { + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + } else { + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return -EPIPE; + } + } + + return ret; +} +EXPORT_SYMBOL_GPL(usbip_recv_xbuff); + + +/*-------------------------------------------------------------------------*/ + +static int __init usbip_common_init(void) +{ + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "" DRIVER_VERSION); + + return 0; +} + +static void __exit usbip_common_exit(void) +{ + return; +} + + + + +module_init(usbip_common_init); +module_exit(usbip_common_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h new file mode 100644 index 000000000000..b0186b766375 --- /dev/null +++ b/drivers/staging/usbip/usbip_common.h @@ -0,0 +1,406 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#ifndef __VHCI_COMMON_H +#define __VHCI_COMMON_H + + +#include +#include +#include +#include + +/*-------------------------------------------------------------------------*/ + +/* + * define macros to print messages + */ + +/** + * udbg - print debug messages if CONFIG_USB_DEBUG is defined + * @fmt: + * @args: + */ + +#ifdef CONFIG_USB_DEBUG + +#define udbg(fmt, args...) \ + do { \ + printk(KERN_DEBUG "%-10s:(%s,%d) %s: " fmt, \ + (in_interrupt() ? "interrupt" : (current)->comm),\ + __FILE__, __LINE__, __func__, ##args); \ + } while (0) + +#else /* CONFIG_USB_DEBUG */ + +#define udbg(fmt, args...) do { } while (0) + +#endif /* CONFIG_USB_DEBUG */ + + +enum { + usbip_debug_xmit = (1 << 0), + usbip_debug_sysfs = (1 << 1), + usbip_debug_urb = (1 << 2), + usbip_debug_eh = (1 << 3), + + usbip_debug_stub_cmp = (1 << 8), + usbip_debug_stub_dev = (1 << 9), + usbip_debug_stub_rx = (1 << 10), + usbip_debug_stub_tx = (1 << 11), + + usbip_debug_vhci_rh = (1 << 8), + usbip_debug_vhci_hc = (1 << 9), + usbip_debug_vhci_rx = (1 << 10), + usbip_debug_vhci_tx = (1 << 11), + usbip_debug_vhci_sysfs = (1 << 12) +}; + +#define dbg_flag_xmit (usbip_debug_flag & usbip_debug_xmit) +#define dbg_flag_vhci_rh (usbip_debug_flag & usbip_debug_vhci_rh) +#define dbg_flag_vhci_hc (usbip_debug_flag & usbip_debug_vhci_hc) +#define dbg_flag_vhci_rx (usbip_debug_flag & usbip_debug_vhci_rx) +#define dbg_flag_vhci_tx (usbip_debug_flag & usbip_debug_vhci_tx) +#define dbg_flag_vhci_sysfs (usbip_debug_flag & usbip_debug_vhci_sysfs) +#define dbg_flag_stub_rx (usbip_debug_flag & usbip_debug_stub_rx) +#define dbg_flag_stub_tx (usbip_debug_flag & usbip_debug_stub_tx) + +extern unsigned long usbip_debug_flag; +extern struct device_attribute dev_attr_usbip_debug; + +#define dbg_with_flag(flag, fmt, args...) \ + do { \ + if (flag & usbip_debug_flag) \ + udbg(fmt , ##args); \ + } while (0) + +#define dbg_sysfs(fmt, args...) \ + dbg_with_flag(usbip_debug_sysfs, fmt , ##args) +#define dbg_xmit(fmt, args...) \ + dbg_with_flag(usbip_debug_xmit, fmt , ##args) +#define dbg_urb(fmt, args...) \ + dbg_with_flag(usbip_debug_urb, fmt , ##args) +#define dbg_eh(fmt, args...) \ + dbg_with_flag(usbip_debug_eh, fmt , ##args) + +#define dbg_vhci_rh(fmt, args...) \ + dbg_with_flag(usbip_debug_vhci_rh, fmt , ##args) +#define dbg_vhci_hc(fmt, args...) \ + dbg_with_flag(usbip_debug_vhci_hc, fmt , ##args) +#define dbg_vhci_rx(fmt, args...) \ + dbg_with_flag(usbip_debug_vhci_rx, fmt , ##args) +#define dbg_vhci_tx(fmt, args...) \ + dbg_with_flag(usbip_debug_vhci_tx, fmt , ##args) +#define dbg_vhci_sysfs(fmt, args...) \ + dbg_with_flag(usbip_debug_vhci_sysfs, fmt , ##args) + +#define dbg_stub_cmp(fmt, args...) \ + dbg_with_flag(usbip_debug_stub_cmp, fmt , ##args) +#define dbg_stub_rx(fmt, args...) \ + dbg_with_flag(usbip_debug_stub_rx, fmt , ##args) +#define dbg_stub_tx(fmt, args...) \ + dbg_with_flag(usbip_debug_stub_tx, fmt , ##args) + + +/** + * uerr - print error messages + * @fmt: + * @args: + */ +#define uerr(fmt, args...) \ + do { \ + printk(KERN_ERR "%-10s: ***ERROR*** (%s,%d) %s: " fmt, \ + (in_interrupt() ? "interrupt" : (current)->comm),\ + __FILE__, __LINE__, __func__, ##args); \ + } while (0) + +/** + * uinfo - print information messages + * @fmt: + * @args: + */ +#define uinfo(fmt, args...) \ + do { \ + printk(KERN_INFO "usbip: " fmt , ## args); \ + } while (0) + + +/*-------------------------------------------------------------------------*/ + +/* + * USB/IP request headers. + * Currently, we define 4 request types: + * + * - CMD_SUBMIT transfers a USB request, corresponding to usb_submit_urb(). + * (client to server) + * - RET_RETURN transfers the result of CMD_SUBMIT. + * (server to client) + * - CMD_UNLINK transfers an unlink request of a pending USB request. + * (client to server) + * - RET_UNLINK transfers the result of CMD_UNLINK. + * (server to client) + * + * Note: The below request formats are based on the USB subsystem of Linux. Its + * details will be defined when other implementations come. + * + * + */ + +/* + * A basic header followed by other additional headers. + */ +struct usbip_header_basic { +#define USBIP_CMD_SUBMIT 0x0001 +#define USBIP_CMD_UNLINK 0x0002 +#define USBIP_RET_SUBMIT 0x0003 +#define USBIP_RET_UNLINK 0x0004 + __u32 command; + + /* sequencial number which identifies requests. + * incremented per connections */ + __u32 seqnum; + + /* devid is used to specify a remote USB device uniquely instead + * of busnum and devnum in Linux. In the case of Linux stub_driver, + * this value is ((busnum << 16) | devnum) */ + __u32 devid; + +#define USBIP_DIR_OUT 0 +#define USBIP_DIR_IN 1 + __u32 direction; + __u32 ep; /* endpoint number */ +} __attribute__ ((packed)); + +/* + * An additional header for a CMD_SUBMIT packet. + */ +struct usbip_header_cmd_submit { + /* these values are basically the same as in a URB. */ + + /* the same in a URB. */ + __u32 transfer_flags; + + /* set the following data size (out), + * or expected reading data size (in) */ + __s32 transfer_buffer_length; + + /* it is difficult for usbip to sync frames (reserved only?) */ + __s32 start_frame; + + /* the number of iso descriptors that follows this header */ + __s32 number_of_packets; + + /* the maximum time within which this request works in a host + * controller of a server side */ + __s32 interval; + + /* set setup packet data for a CTRL request */ + unsigned char setup[8]; +} __attribute__ ((packed)); + +/* + * An additional header for a RET_SUBMIT packet. + */ +struct usbip_header_ret_submit { + __s32 status; + __s32 actual_length; /* returned data length */ + __s32 start_frame; /* ISO and INT */ + __s32 number_of_packets; /* ISO only */ + __s32 error_count; /* ISO only */ +} __attribute__ ((packed)); + +/* + * An additional header for a CMD_UNLINK packet. + */ +struct usbip_header_cmd_unlink { + __u32 seqnum; /* URB's seqnum which will be unlinked */ +} __attribute__ ((packed)); + + +/* + * An additional header for a RET_UNLINK packet. + */ +struct usbip_header_ret_unlink { + __s32 status; +} __attribute__ ((packed)); + + +/* the same as usb_iso_packet_descriptor but packed for pdu */ +struct usbip_iso_packet_descriptor { + __u32 offset; + __u32 length; /* expected length */ + __u32 actual_length; + __u32 status; +} __attribute__ ((packed)); + + +/* + * All usbip packets use a common header to keep code simple. + */ +struct usbip_header { + struct usbip_header_basic base; + + union { + struct usbip_header_cmd_submit cmd_submit; + struct usbip_header_ret_submit ret_submit; + struct usbip_header_cmd_unlink cmd_unlink; + struct usbip_header_ret_unlink ret_unlink; + } u; +} __attribute__ ((packed)); + + + + +/*-------------------------------------------------------------------------*/ + + +int usbip_xmit(int, struct socket *, char *, int, int); +int usbip_sendmsg(struct socket *, struct msghdr *, int); + + +static inline int interface_to_busnum(struct usb_interface *interface) +{ + struct usb_device *udev = interface_to_usbdev(interface); + return udev->bus->busnum; +} + +static inline int interface_to_devnum(struct usb_interface *interface) +{ + struct usb_device *udev = interface_to_usbdev(interface); + return udev->devnum; +} + +static inline int interface_to_infnum(struct usb_interface *interface) +{ + return interface->cur_altsetting->desc.bInterfaceNumber; +} + +#if 0 +int setnodelay(struct socket *); +int setquickack(struct socket *); +int setkeepalive(struct socket *socket); +void setreuse(struct socket *); +#endif + +struct socket *sockfd_to_socket(unsigned int); +int set_sockaddr(struct socket *socket, struct sockaddr_storage *ss); + +void usbip_dump_urb(struct urb *purb); +void usbip_dump_header(struct usbip_header *pdu); + + +struct usbip_device; + +struct usbip_task { + struct task_struct *thread; + struct completion thread_done; + char *name; + void (*loop_ops)(struct usbip_task *); +}; + +enum usbip_side { + USBIP_VHCI, + USBIP_STUB, +}; + +enum usbip_status { + /* sdev is available. */ + SDEV_ST_AVAILABLE = 0x01, + /* sdev is now used. */ + SDEV_ST_USED, + /* sdev is unusable because of a fatal error. */ + SDEV_ST_ERROR, + + /* vdev does not connect a remote device. */ + VDEV_ST_NULL, + /* vdev is used, but the USB address is not assigned yet */ + VDEV_ST_NOTASSIGNED, + VDEV_ST_USED, + VDEV_ST_ERROR +}; + +/* a common structure for stub_device and vhci_device */ +struct usbip_device { + enum usbip_side side; + + enum usbip_status status; + + /* lock for status */ + spinlock_t lock; + + struct socket *tcp_socket; + + struct usbip_task tcp_rx; + struct usbip_task tcp_tx; + + /* event handler */ +#define USBIP_EH_SHUTDOWN (1 << 0) +#define USBIP_EH_BYE (1 << 1) +#define USBIP_EH_RESET (1 << 2) +#define USBIP_EH_UNUSABLE (1 << 3) + +#define SDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE) +#define SDEV_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define SDEV_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define SDEV_EVENT_ERROR_SUBMIT (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define SDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) + +#define VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_BYE) +#define VDEV_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define VDEV_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) +#define VDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) + + unsigned long event; + struct usbip_task eh; + wait_queue_head_t eh_waitq; + + struct eh_ops { + void (*shutdown)(struct usbip_device *); + void (*reset)(struct usbip_device *); + void (*unusable)(struct usbip_device *); + } eh_ops; +}; + + +void usbip_task_init(struct usbip_task *ut, char *, + void (*loop_ops)(struct usbip_task *)); + +void usbip_start_threads(struct usbip_device *ud); +void usbip_stop_threads(struct usbip_device *ud); +int usbip_thread(void *param); + +void usbip_pack_pdu(struct usbip_header *pdu, struct urb *urb, int cmd, + int pack); + +void usbip_header_correct_endian(struct usbip_header *pdu, int send); +/* some members of urb must be substituted before. */ +int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb); +/* some members of urb must be substituted before. */ +int usbip_recv_iso(struct usbip_device *ud, struct urb *urb); +void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen); + + +/* usbip_event.c */ +void usbip_start_eh(struct usbip_device *ud); +void usbip_stop_eh(struct usbip_device *ud); +void usbip_event_add(struct usbip_device *ud, unsigned long event); +int usbip_event_happend(struct usbip_device *ud); + + +#endif diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/staging/usbip/usbip_event.c new file mode 100644 index 000000000000..4318553ab20c --- /dev/null +++ b/drivers/staging/usbip/usbip_event.c @@ -0,0 +1,141 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" + +static int event_handler(struct usbip_device *ud) +{ + dbg_eh("enter\n"); + + /* + * Events are handled by only this thread. + */ + while (usbip_event_happend(ud)) { + dbg_eh("pending event %lx\n", ud->event); + + /* + * NOTE: shutdown must come first. + * Shutdown the device. + */ + if (ud->event & USBIP_EH_SHUTDOWN) { + ud->eh_ops.shutdown(ud); + + ud->event &= ~USBIP_EH_SHUTDOWN; + + break; + } + + /* Stop the error handler. */ + if (ud->event & USBIP_EH_BYE) + return -1; + + /* Reset the device. */ + if (ud->event & USBIP_EH_RESET) { + ud->eh_ops.reset(ud); + + ud->event &= ~USBIP_EH_RESET; + + break; + } + + /* Mark the device as unusable. */ + if (ud->event & USBIP_EH_UNUSABLE) { + ud->eh_ops.unusable(ud); + + ud->event &= ~USBIP_EH_UNUSABLE; + + break; + } + + /* NOTREACHED */ + printk(KERN_ERR "%s: unknown event\n", __func__); + return -1; + } + + return 0; +} + +static void event_handler_loop(struct usbip_task *ut) +{ + struct usbip_device *ud = container_of(ut, struct usbip_device, eh); + + while (1) { + if (signal_pending(current)) { + dbg_eh("signal catched!\n"); + break; + } + + if (event_handler(ud) < 0) + break; + + wait_event_interruptible(ud->eh_waitq, usbip_event_happend(ud)); + dbg_eh("wakeup\n"); + } +} + +void usbip_start_eh(struct usbip_device *ud) +{ + struct usbip_task *eh = &ud->eh; + + init_waitqueue_head(&ud->eh_waitq); + ud->event = 0; + + usbip_task_init(eh, "usbip_eh", event_handler_loop); + + kernel_thread(usbip_thread, (void *)eh, 0); + + wait_for_completion(&eh->thread_done); +} +EXPORT_SYMBOL_GPL(usbip_start_eh); + +void usbip_stop_eh(struct usbip_device *ud) +{ + struct usbip_task *eh = &ud->eh; + + wait_for_completion(&eh->thread_done); + dbg_eh("usbip_eh has finished\n"); +} +EXPORT_SYMBOL_GPL(usbip_stop_eh); + +void usbip_event_add(struct usbip_device *ud, unsigned long event) +{ + spin_lock(&ud->lock); + + ud->event |= event; + + wake_up(&ud->eh_waitq); + + spin_unlock(&ud->lock); +} +EXPORT_SYMBOL_GPL(usbip_event_add); + +int usbip_event_happend(struct usbip_device *ud) +{ + int happend = 0; + + spin_lock(&ud->lock); + + if (ud->event != 0) + happend = 1; + + spin_unlock(&ud->lock); + + return happend; +} +EXPORT_SYMBOL_GPL(usbip_event_happend); -- GitLab From 04679b3489e048cd5dae79e050a3afed8e4e42b6 Mon Sep 17 00:00:00 2001 From: Takahiro Hirofuchi Date: Wed, 9 Jul 2008 14:56:51 -0600 Subject: [PATCH 3637/6244] Staging: USB/IP: add client driver This adds the USB IP client driver Brian Merrell cleaned up a lot of this code and submitted it for inclusion. Greg also did a lot of cleanup. Signed-off-by: Brian G. Merrell Cc: Takahiro Hirofuchi Signed-off-by: Greg Kroah-Hartman --- drivers/staging/usbip/Kconfig | 11 + drivers/staging/usbip/Makefile | 3 + drivers/staging/usbip/vhci.h | 142 ++++ drivers/staging/usbip/vhci_hcd.c | 1275 ++++++++++++++++++++++++++++ drivers/staging/usbip/vhci_rx.c | 251 ++++++ drivers/staging/usbip/vhci_sysfs.c | 250 ++++++ drivers/staging/usbip/vhci_tx.c | 239 ++++++ 7 files changed, 2171 insertions(+) create mode 100644 drivers/staging/usbip/vhci.h create mode 100644 drivers/staging/usbip/vhci_hcd.c create mode 100644 drivers/staging/usbip/vhci_rx.c create mode 100644 drivers/staging/usbip/vhci_sysfs.c create mode 100644 drivers/staging/usbip/vhci_tx.c diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig index 37efb5e1bb82..c4d68e1581fc 100644 --- a/drivers/staging/usbip/Kconfig +++ b/drivers/staging/usbip/Kconfig @@ -12,3 +12,14 @@ config USB_IP_COMMON module will be called usbip_common_mod. If unsure, say N. + +config USB_IP_VHCI_HCD + tristate "USB IP client driver" + depends on USB_IP_COMMON + default N + ---help--- + This enables the USB IP host controller driver which will + run on the client machine. + + To compile this driver as a module, choose M here: the + module will be called vhci_hcd. diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile index ce925caa6083..6ef4c3913f45 100644 --- a/drivers/staging/usbip/Makefile +++ b/drivers/staging/usbip/Makefile @@ -1,6 +1,9 @@ obj-$(CONFIG_USB_IP_COMMON) += usbip_common_mod.o usbip_common_mod-objs := usbip_common.o usbip_event.o +obj-$(CONFIG_USB_IP_VHCI_HCD) += vhci-hcd.o +vhci-hcd-objs := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o + ifeq ($(CONFIG_USB_DEBUG),y) EXTRA_CFLAGS += -DDEBUG endif diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h new file mode 100644 index 000000000000..5e375173bbce --- /dev/null +++ b/drivers/staging/usbip/vhci.h @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include +#include "../../usb/core/hcd.h" + + +struct vhci_device { + struct usb_device *udev; + + /* + * devid specifies a remote usb device uniquely instead + * of combination of busnum and devnum. + */ + __u32 devid; + + /* speed of a remote device */ + enum usb_device_speed speed; + + /* vhci root-hub port to which this device is attached */ + __u32 rhport; + + struct usbip_device ud; + + + /* lock for the below link lists */ + spinlock_t priv_lock; + + /* vhci_priv is linked to one of them. */ + struct list_head priv_tx; + struct list_head priv_rx; + + /* vhci_unlink is linked to one of them */ + struct list_head unlink_tx; + struct list_head unlink_rx; + + /* vhci_tx thread sleeps for this queue */ + wait_queue_head_t waitq_tx; +}; + + +/* urb->hcpriv, use container_of() */ +struct vhci_priv { + unsigned long seqnum; + struct list_head list; + + struct vhci_device *vdev; + struct urb *urb; +}; + + +struct vhci_unlink { + /* seqnum of this request */ + unsigned long seqnum; + + struct list_head list; + + /* seqnum of the unlink target */ + unsigned long unlink_seqnum; +}; + +/* + * The number of ports is less than 16 ? + * USB_MAXCHILDREN is statically defined to 16 in usb.h. Its maximum value + * would be 31 because the event_bits[1] of struct usb_hub is defined as + * unsigned long in hub.h + */ +#define VHCI_NPORTS 8 + +/* for usb_bus.hcpriv */ +struct vhci_hcd { + spinlock_t lock; + + u32 port_status[VHCI_NPORTS]; + + unsigned resuming:1; + unsigned long re_timeout; + + atomic_t seqnum; + + /* + * NOTE: + * wIndex shows the port number and begins from 1. + * But, the index of this array begins from 0. + */ + struct vhci_device vdev[VHCI_NPORTS]; + + /* vhci_device which has not been assiged its address yet */ + int pending_port; +}; + + +extern struct vhci_hcd *the_controller; +extern struct attribute_group dev_attr_group; + + +/*-------------------------------------------------------------------------*/ +/* prototype declaration */ + +/* vhci_hcd.c */ +void rh_port_connect(int rhport, enum usb_device_speed speed); +void rh_port_disconnect(int rhport); +void vhci_rx_loop(struct usbip_task *ut); +void vhci_tx_loop(struct usbip_task *ut); + +#define hardware (&the_controller->pdev.dev) + +static inline struct vhci_device *port_to_vdev(__u32 port) +{ + return &the_controller->vdev[port]; +} + +static inline struct vhci_hcd *hcd_to_vhci(struct usb_hcd *hcd) +{ + return (struct vhci_hcd *) (hcd->hcd_priv); +} + +static inline struct usb_hcd *vhci_to_hcd(struct vhci_hcd *vhci) +{ + return container_of((void *) vhci, struct usb_hcd, hcd_priv); +} + +static inline struct device *vhci_dev(struct vhci_hcd *vhci) +{ + return vhci_to_hcd(vhci)->self.controller; +} diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c new file mode 100644 index 000000000000..5b5a2e348ecb --- /dev/null +++ b/drivers/staging/usbip/vhci_hcd.c @@ -0,0 +1,1275 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + + +#include "usbip_common.h" +#include "vhci.h" + +#define DRIVER_VERSION "1.0" +#define DRIVER_AUTHOR "Takahiro Hirofuchi" +#define DRIVER_DESC "Virtual Host Controller Interface Driver for USB/IP" +#define DRIVER_LICENCE "GPL" +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE(DRIVER_LICENCE); + + + +/* + * TODO + * - update root hub emulation + * - move the emulation code to userland ? + * porting to other operating systems + * minimize kernel code + * - add suspend/resume code + * - clean up everything + */ + + +/* See usb gadget dummy hcd */ + + +static int vhci_hub_status(struct usb_hcd *hcd, char *buff); +static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + u16 wIndex, char *buff, u16 wLength); +static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags); +static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status); +static int vhci_start(struct usb_hcd *vhci_hcd); +static void vhci_stop(struct usb_hcd *hcd); +static int vhci_get_frame_number(struct usb_hcd *hcd); + +static const char driver_name[] = "vhci_hcd"; +static const char driver_desc[] = "USB/IP Virtual Host Contoroller"; + +struct vhci_hcd *the_controller; + +static const char *bit_desc[] = { + "CONNECTION", /*0*/ + "ENABLE", /*1*/ + "SUSPEND", /*2*/ + "OVER_CURRENT", /*3*/ + "RESET", /*4*/ + "R5", /*5*/ + "R6", /*6*/ + "R7", /*7*/ + "POWER", /*8*/ + "LOWSPEED", /*9*/ + "HIGHSPEED", /*10*/ + "PORT_TEST", /*11*/ + "INDICATOR", /*12*/ + "R13", /*13*/ + "R14", /*14*/ + "R15", /*15*/ + "C_CONNECTION", /*16*/ + "C_ENABLE", /*17*/ + "C_SUSPEND", /*18*/ + "C_OVER_CURRENT", /*19*/ + "C_RESET", /*20*/ + "R21", /*21*/ + "R22", /*22*/ + "R23", /*23*/ + "R24", /*24*/ + "R25", /*25*/ + "R26", /*26*/ + "R27", /*27*/ + "R28", /*28*/ + "R29", /*29*/ + "R30", /*30*/ + "R31", /*31*/ +}; + + +static void dump_port_status(u32 status) +{ + int i = 0; + + printk(KERN_DEBUG "status %08x:", status); + for (i = 0; i < 32; i++) { + if (status & (1 << i)) + printk(" %s", bit_desc[i]); + } + + printk("\n"); +} + + + +void rh_port_connect(int rhport, enum usb_device_speed speed) +{ + unsigned long flags; + + dbg_vhci_rh("rh_port_connect %d\n", rhport); + + spin_lock_irqsave(&the_controller->lock, flags); + + the_controller->port_status[rhport] |= USB_PORT_STAT_CONNECTION + | (1 << USB_PORT_FEAT_C_CONNECTION); + + switch (speed) { + case USB_SPEED_HIGH: + the_controller->port_status[rhport] |= USB_PORT_STAT_HIGH_SPEED; + break; + case USB_SPEED_LOW: + the_controller->port_status[rhport] |= USB_PORT_STAT_LOW_SPEED; + break; + default: + break; + } + + /* spin_lock(&the_controller->vdev[rhport].ud.lock); + * the_controller->vdev[rhport].ud.status = VDEV_CONNECT; + * spin_unlock(&the_controller->vdev[rhport].ud.lock); */ + + the_controller->pending_port = rhport; + + spin_unlock_irqrestore(&the_controller->lock, flags); + + usb_hcd_poll_rh_status(vhci_to_hcd(the_controller)); +} + +void rh_port_disconnect(int rhport) +{ + unsigned long flags; + + dbg_vhci_rh("rh_port_disconnect %d\n", rhport); + + spin_lock_irqsave(&the_controller->lock, flags); + /* stop_activity(dum, driver); */ + the_controller->port_status[rhport] &= ~USB_PORT_STAT_CONNECTION; + the_controller->port_status[rhport] |= + (1 << USB_PORT_FEAT_C_CONNECTION); + + + /* not yet complete the disconnection + * spin_lock(&vdev->ud.lock); + * vdev->ud.status = VHC_ST_DISCONNECT; + * spin_unlock(&vdev->ud.lock); */ + + spin_unlock_irqrestore(&the_controller->lock, flags); +} + + + +/*----------------------------------------------------------------------*/ + +#define PORT_C_MASK \ + ((USB_PORT_STAT_C_CONNECTION \ + | USB_PORT_STAT_C_ENABLE \ + | USB_PORT_STAT_C_SUSPEND \ + | USB_PORT_STAT_C_OVERCURRENT \ + | USB_PORT_STAT_C_RESET) << 16) + +/* + * This function is almostly the same as dummy_hcd.c:dummy_hub_status() without + * suspend/resume support. But, it is modified to provide multiple ports. + * + * @buf: a bitmap to show which port status has been changed. + * bit 0: reserved or used for another purpose? + * bit 1: the status of port 0 has been changed. + * bit 2: the status of port 1 has been changed. + * ... + * bit 7: the status of port 6 has been changed. + * bit 8: the status of port 7 has been changed. + * ... + * bit 15: the status of port 14 has been changed. + * + * So, the maximum number of ports is 31 ( port 0 to port 30) ? + * + * The return value is the actual transfered length in byte. If nothing has + * been changed, return 0. In the case that the number of ports is less than or + * equal to 6 (VHCI_NPORTS==7), return 1. + * + */ +static int vhci_hub_status(struct usb_hcd *hcd, char *buf) +{ + struct vhci_hcd *vhci; + unsigned long flags; + int retval = 0; + + /* the enough buffer is allocated according to USB_MAXCHILDREN */ + unsigned long *event_bits = (unsigned long *) buf; + int rhport; + int changed = 0; + + + *event_bits = 0; + + vhci = hcd_to_vhci(hcd); + + spin_lock_irqsave(&vhci->lock, flags); + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + dbg_vhci_rh("hw accessible flag in on?\n"); + goto done; + } + + /* check pseudo status register for each port */ + for (rhport = 0; rhport < VHCI_NPORTS; rhport++) { + if ((vhci->port_status[rhport] & PORT_C_MASK)) { + /* The status of a port has been changed, */ + dbg_vhci_rh("port %d is changed\n", rhport); + + *event_bits |= 1 << (rhport + 1); + changed = 1; + } + } + + uinfo("changed %d\n", changed); + + if (hcd->state == HC_STATE_SUSPENDED) + usb_hcd_resume_root_hub(hcd); + + if (changed) + retval = 1 + (VHCI_NPORTS / 8); + else + retval = 0; + +done: + spin_unlock_irqrestore(&vhci->lock, flags); + return retval; +} + +/* See hub_configure in hub.c */ +static inline void hub_descriptor(struct usb_hub_descriptor *desc) +{ + memset(desc, 0, sizeof(*desc)); + desc->bDescriptorType = 0x29; + desc->bDescLength = 9; + desc->wHubCharacteristics = (__force __u16) + (__constant_cpu_to_le16(0x0001)); + desc->bNbrPorts = VHCI_NPORTS; + desc->bitmap[0] = 0xff; + desc->bitmap[1] = 0xff; +} + +static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + u16 wIndex, char *buf, u16 wLength) +{ + struct vhci_hcd *dum; + int retval = 0; + unsigned long flags; + int rhport; + + u32 prev_port_status[VHCI_NPORTS]; + + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) + return -ETIMEDOUT; + + /* + * NOTE: + * wIndex shows the port number and begins from 1. + */ + dbg_vhci_rh("typeReq %x wValue %x wIndex %x\n", typeReq, wValue, + wIndex); + if (wIndex > VHCI_NPORTS) + printk(KERN_ERR "%s: invalid port number %d\n", __func__, wIndex); + rhport = ((__u8)(wIndex & 0x00ff)) - 1; + + dum = hcd_to_vhci(hcd); + + spin_lock_irqsave(&dum->lock, flags); + + /* store old status and compare now and old later */ + if (dbg_flag_vhci_rh) { + int i = 0; + for (i = 0; i < VHCI_NPORTS; i++) + prev_port_status[i] = dum->port_status[i]; + } + + switch (typeReq) { + case ClearHubFeature: + dbg_vhci_rh(" ClearHubFeature\n"); + break; + case ClearPortFeature: + switch (wValue) { + case USB_PORT_FEAT_SUSPEND: + if (dum->port_status[rhport] & USB_PORT_STAT_SUSPEND) { + /* 20msec signaling */ + dum->resuming = 1; + dum->re_timeout = + jiffies + msecs_to_jiffies(20); + } + break; + case USB_PORT_FEAT_POWER: + dbg_vhci_rh(" ClearPortFeature: USB_PORT_FEAT_POWER\n"); + dum->port_status[rhport] = 0; + /* dum->address = 0; */ + /* dum->hdev = 0; */ + dum->resuming = 0; + break; + case USB_PORT_FEAT_C_RESET: + dbg_vhci_rh(" ClearPortFeature: " + "USB_PORT_FEAT_C_RESET\n"); + switch (dum->vdev[rhport].speed) { + case USB_SPEED_HIGH: + dum->port_status[rhport] |= + USB_PORT_STAT_HIGH_SPEED; + break; + case USB_SPEED_LOW: + dum->port_status[rhport] |= + USB_PORT_STAT_LOW_SPEED; + break; + default: + break; + } + default: + dbg_vhci_rh(" ClearPortFeature: default %x\n", wValue); + dum->port_status[rhport] &= ~(1 << wValue); + } + break; + case GetHubDescriptor: + dbg_vhci_rh(" GetHubDescriptor\n"); + hub_descriptor((struct usb_hub_descriptor *) buf); + break; + case GetHubStatus: + dbg_vhci_rh(" GetHubStatus\n"); + *(__le32 *) buf = __constant_cpu_to_le32(0); + break; + case GetPortStatus: + dbg_vhci_rh(" GetPortStatus port %x\n", wIndex); + if (wIndex > VHCI_NPORTS || wIndex < 1) { + printk(KERN_ERR "%s: invalid port number %d\n", + __func__, wIndex); + retval = -EPIPE; + } + + /* we do no care of resume. */ + + /* whoever resets or resumes must GetPortStatus to + * complete it!! + * */ + if (dum->resuming && time_after(jiffies, dum->re_timeout)) { + printk(KERN_ERR "%s: not yet\n", __func__); + dum->port_status[rhport] |= + (1 << USB_PORT_FEAT_C_SUSPEND); + dum->port_status[rhport] &= + ~(1 << USB_PORT_FEAT_SUSPEND); + dum->resuming = 0; + dum->re_timeout = 0; + /* if (dum->driver && dum->driver->resume) { + * spin_unlock (&dum->lock); + * dum->driver->resume (&dum->gadget); + * spin_lock (&dum->lock); + * } */ + } + + if ((dum->port_status[rhport] & (1 << USB_PORT_FEAT_RESET)) != + 0 && time_after(jiffies, dum->re_timeout)) { + dum->port_status[rhport] |= + (1 << USB_PORT_FEAT_C_RESET); + dum->port_status[rhport] &= + ~(1 << USB_PORT_FEAT_RESET); + dum->re_timeout = 0; + + if (dum->vdev[rhport].ud.status == + VDEV_ST_NOTASSIGNED) { + dbg_vhci_rh(" enable rhport %d (status %u)\n", + rhport, + dum->vdev[rhport].ud.status); + dum->port_status[rhport] |= + USB_PORT_STAT_ENABLE; + } +#if 0 + if (dum->driver) { + + dum->port_status[rhport] |= + USB_PORT_STAT_ENABLE; + /* give it the best speed we agree on */ + dum->gadget.speed = dum->driver->speed; + dum->gadget.ep0->maxpacket = 64; + switch (dum->gadget.speed) { + case USB_SPEED_HIGH: + dum->port_status[rhport] |= + USB_PORT_STAT_HIGH_SPEED; + break; + case USB_SPEED_LOW: + dum->gadget.ep0->maxpacket = 8; + dum->port_status[rhport] |= + USB_PORT_STAT_LOW_SPEED; + break; + default: + dum->gadget.speed = USB_SPEED_FULL; + break; + } + } +#endif + + } + ((u16 *) buf)[0] = cpu_to_le16(dum->port_status[rhport]); + ((u16 *) buf)[1] = + cpu_to_le16(dum->port_status[rhport] >> 16); + + dbg_vhci_rh(" GetPortStatus bye %x %x\n", ((u16 *)buf)[0], + ((u16 *)buf)[1]); + break; + case SetHubFeature: + dbg_vhci_rh(" SetHubFeature\n"); + retval = -EPIPE; + break; + case SetPortFeature: + switch (wValue) { + case USB_PORT_FEAT_SUSPEND: + dbg_vhci_rh(" SetPortFeature: " + "USB_PORT_FEAT_SUSPEND\n"); + printk(KERN_ERR "%s: not yet\n", __func__); +#if 0 + dum->port_status[rhport] |= + (1 << USB_PORT_FEAT_SUSPEND); + if (dum->driver->suspend) { + spin_unlock(&dum->lock); + dum->driver->suspend(&dum->gadget); + spin_lock(&dum->lock); + } +#endif + break; + case USB_PORT_FEAT_RESET: + dbg_vhci_rh(" SetPortFeature: USB_PORT_FEAT_RESET\n"); + /* if it's already running, disconnect first */ + if (dum->port_status[rhport] & USB_PORT_STAT_ENABLE) { + dum->port_status[rhport] &= + ~(USB_PORT_STAT_ENABLE | + USB_PORT_STAT_LOW_SPEED | + USB_PORT_STAT_HIGH_SPEED); +#if 0 + if (dum->driver) { + dev_dbg(hardware, "disconnect\n"); + stop_activity(dum, dum->driver); + } +#endif + + /* FIXME test that code path! */ + } + /* 50msec reset signaling */ + dum->re_timeout = jiffies + msecs_to_jiffies(50); + + /* FALLTHROUGH */ + default: + dbg_vhci_rh(" SetPortFeature: default %d\n", wValue); + dum->port_status[rhport] |= (1 << wValue); + } + break; + + default: + printk(KERN_ERR "%s: default: no such request\n", __func__); + /* dev_dbg (hardware, + * "hub control req%04x v%04x i%04x l%d\n", + * typeReq, wValue, wIndex, wLength); */ + + /* "protocol stall" on error */ + retval = -EPIPE; + } + + if (dbg_flag_vhci_rh) { + printk(KERN_DEBUG "port %d\n", rhport); + dump_port_status(prev_port_status[rhport]); + dump_port_status(dum->port_status[rhport]); + } + dbg_vhci_rh(" bye\n"); + + spin_unlock_irqrestore(&dum->lock, flags); + + return retval; +} + + + +/*----------------------------------------------------------------------*/ + +static struct vhci_device *get_vdev(struct usb_device *udev) +{ + int i; + + if (!udev) + return NULL; + + for (i = 0; i < VHCI_NPORTS; i++) + if (the_controller->vdev[i].udev == udev) + return port_to_vdev(i); + + return NULL; +} + +static void vhci_tx_urb(struct urb *urb) +{ + struct vhci_device *vdev = get_vdev(urb->dev); + struct vhci_priv *priv; + unsigned long flag; + + if (!vdev) { + err("could not get virtual device"); + /* BUG(); */ + return; + } + + spin_lock_irqsave(&vdev->priv_lock, flag); + + priv = kzalloc(sizeof(struct vhci_priv), GFP_ATOMIC); + if (!priv) { + dev_err(&urb->dev->dev, "malloc vhci_priv\n"); + spin_unlock_irqrestore(&vdev->priv_lock, flag); + usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_MALLOC); + return; + } + + priv->seqnum = atomic_inc_return(&the_controller->seqnum); + if (priv->seqnum == 0xffff) + uinfo("seqnum max\n"); + + priv->vdev = vdev; + priv->urb = urb; + + urb->hcpriv = (void *) priv; + + + list_add_tail(&priv->list, &vdev->priv_tx); + + wake_up(&vdev->waitq_tx); + spin_unlock_irqrestore(&vdev->priv_lock, flag); +} + +static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags) +{ + struct device *dev = &urb->dev->dev; + int ret = 0; + unsigned long flags; + + dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n", + hcd, urb, mem_flags); + + /* patch to usb_sg_init() is in 2.5.60 */ + BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length); + + spin_lock_irqsave(&the_controller->lock, flags); + + /* check HC is active or not */ + if (!HC_IS_RUNNING(hcd->state)) { + dev_err(dev, "HC is not running\n"); + spin_unlock_irqrestore(&the_controller->lock, flags); + return -ENODEV; + } + + if (urb->status != -EINPROGRESS) { + dev_err(dev, "URB already unlinked!, status %d\n", urb->status); + spin_unlock_irqrestore(&the_controller->lock, flags); + return urb->status; + } + + ret = usb_hcd_link_urb_to_ep(hcd, urb); + if (ret) + goto no_need_unlink; + + /* + * The enumelation process is as follows; + * + * 1. Get_Descriptor request to DevAddrs(0) EndPoint(0) + * to get max packet length of default pipe + * + * 2. Set_Address request to DevAddr(0) EndPoint(0) + * + */ + + if (usb_pipedevice(urb->pipe) == 0) { + __u8 type = usb_pipetype(urb->pipe); + struct usb_ctrlrequest *ctrlreq = + (struct usb_ctrlrequest *) urb->setup_packet; + struct vhci_device *vdev = + port_to_vdev(the_controller->pending_port); + + if (type != PIPE_CONTROL || !ctrlreq) { + dev_err(dev, "invalid request to devnum 0\n"); + ret = EINVAL; + goto no_need_xmit; + } + + switch (ctrlreq->bRequest) { + case USB_REQ_SET_ADDRESS: + /* set_address may come when a device is reset */ + dev_info(dev, "SetAddress Request (%d) to port %d\n", + ctrlreq->wValue, vdev->rhport); + + vdev->udev = urb->dev; + + spin_lock(&vdev->ud.lock); + vdev->ud.status = VDEV_ST_USED; + spin_unlock(&vdev->ud.lock); + + if (urb->status == -EINPROGRESS) { + /* This request is successfully completed. */ + /* If not -EINPROGRESS, possibly unlinked. */ + urb->status = 0; + } + + goto no_need_xmit; + + case USB_REQ_GET_DESCRIPTOR: + if (ctrlreq->wValue == (USB_DT_DEVICE << 8)) + dbg_vhci_hc("Not yet?: " + "Get_Descriptor to device 0 " + "(get max pipe size)\n"); + + /* FIXME: reference count? (usb_get_dev()) */ + vdev->udev = urb->dev; + goto out; + + default: + /* NOT REACHED */ + dev_err(dev, "invalid request to devnum 0 bRequest %u, " + "wValue %u\n", ctrlreq->bRequest, + ctrlreq->wValue); + ret = -EINVAL; + goto no_need_xmit; + } + + } + +out: + vhci_tx_urb(urb); + + spin_unlock_irqrestore(&the_controller->lock, flags); + + return 0; + +no_need_xmit: + usb_hcd_unlink_urb_from_ep(hcd, urb); +no_need_unlink: + spin_unlock_irqrestore(&the_controller->lock, flags); + + usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status); + + return 0; +} + +/* + * vhci_rx gives back the urb after receiving the reply of the urb. If an + * unlink pdu is sent or not, vhci_rx receives a normal return pdu and gives + * back its urb. For the driver unlinking the urb, the content of the urb is + * not important, but the calling to its completion handler is important; the + * completion of unlinking is notified by the completion handler. + * + * + * CLIENT SIDE + * + * - When vhci_hcd receives RET_SUBMIT, + * + * - case 1a). the urb of the pdu is not unlinking. + * - normal case + * => just give back the urb + * + * - case 1b). the urb of the pdu is unlinking. + * - usbip.ko will return a reply of the unlinking request. + * => give back the urb now and go to case 2b). + * + * - When vhci_hcd receives RET_UNLINK, + * + * - case 2a). a submit request is still pending in vhci_hcd. + * - urb was really pending in usbip.ko and urb_unlink_urb() was + * completed there. + * => free a pending submit request + * => notify unlink completeness by giving back the urb + * + * - case 2b). a submit request is *not* pending in vhci_hcd. + * - urb was already given back to the core driver. + * => do not give back the urb + * + * + * SERVER SIDE + * + * - When usbip receives CMD_UNLINK, + * + * - case 3a). the urb of the unlink request is now in submission. + * => do usb_unlink_urb(). + * => after the unlink is completed, send RET_UNLINK. + * + * - case 3b). the urb of the unlink request is not in submission. + * - may be already completed or never be received + * => send RET_UNLINK + * + */ +static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) +{ + unsigned long flags; + struct vhci_priv *priv; + struct vhci_device *vdev; + + uinfo("vhci_hcd: dequeue a urb %p\n", urb); + + + spin_lock_irqsave(&the_controller->lock, flags); + + priv = urb->hcpriv; + if (!priv) { + /* URB was never linked! or will be soon given back by + * vhci_rx. */ + spin_unlock_irqrestore(&the_controller->lock, flags); + return 0; + } + + { + int ret = 0; + ret = usb_hcd_check_unlink_urb(hcd, urb, status); + if (ret) { + spin_unlock_irqrestore(&the_controller->lock, flags); + return 0; + } + } + + /* send unlink request here? */ + vdev = priv->vdev; + + if (!vdev->ud.tcp_socket) { + /* tcp connection is closed */ + unsigned long flags2; + + spin_lock_irqsave(&vdev->priv_lock, flags2); + + uinfo("vhci_hcd: device %p seems to be disconnected\n", vdev); + list_del(&priv->list); + kfree(priv); + urb->hcpriv = NULL; + + spin_unlock_irqrestore(&vdev->priv_lock, flags2); + + } else { + /* tcp connection is alive */ + unsigned long flags2; + struct vhci_unlink *unlink; + + spin_lock_irqsave(&vdev->priv_lock, flags2); + + /* setup CMD_UNLINK pdu */ + unlink = kzalloc(sizeof(struct vhci_unlink), GFP_ATOMIC); + if (!unlink) { + uerr("malloc vhci_unlink\n"); + spin_unlock_irqrestore(&vdev->priv_lock, flags2); + spin_unlock_irqrestore(&the_controller->lock, flags); + usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_MALLOC); + return -ENOMEM; + } + + unlink->seqnum = atomic_inc_return(&the_controller->seqnum); + if (unlink->seqnum == 0xffff) + uinfo("seqnum max\n"); + + unlink->unlink_seqnum = priv->seqnum; + + uinfo("vhci_hcd: device %p seems to be still connected\n", + vdev); + + /* send cmd_unlink and try to cancel the pending URB in the + * peer */ + list_add_tail(&unlink->list, &vdev->unlink_tx); + wake_up(&vdev->waitq_tx); + + spin_unlock_irqrestore(&vdev->priv_lock, flags2); + } + + + /* + * If tcp connection is alive, we have sent CMD_UNLINK. + * vhci_rx will receive RET_UNLINK and give back the URB. + * Otherwise, we give back it here. + */ + if (!vdev->ud.tcp_socket) { + /* tcp connection is closed */ + uinfo("vhci_hcd: vhci_urb_dequeue() gives back urb %p\n", urb); + + usb_hcd_unlink_urb_from_ep(hcd, urb); + + spin_unlock_irqrestore(&the_controller->lock, flags); + usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, + urb->status); + spin_lock_irqsave(&the_controller->lock, flags); + } + + spin_unlock_irqrestore(&the_controller->lock, flags); + + dbg_vhci_hc("leave\n"); + return 0; +} + + +static void vhci_device_unlink_cleanup(struct vhci_device *vdev) +{ + struct vhci_unlink *unlink, *tmp; + + spin_lock(&vdev->priv_lock); + + list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) { + list_del(&unlink->list); + kfree(unlink); + } + + list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) { + list_del(&unlink->list); + kfree(unlink); + } + + spin_unlock(&vdev->priv_lock); +} + +/* + * The important thing is that only one context begins cleanup. + * This is why error handling and cleanup become simple. + * We do not want to consider race condition as possible. + */ +static void vhci_shutdown_connection(struct usbip_device *ud) +{ + struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + + /* need this? see stub_dev.c */ + if (ud->tcp_socket) { + udbg("shutdown tcp_socket %p\n", ud->tcp_socket); + kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); + } + + usbip_stop_threads(&vdev->ud); + uinfo("stop threads\n"); + + /* active connection is closed */ + if (vdev->ud.tcp_socket != NULL) { + sock_release(vdev->ud.tcp_socket); + vdev->ud.tcp_socket = NULL; + } + uinfo("release socket\n"); + + vhci_device_unlink_cleanup(vdev); + + /* + * rh_port_disconnect() is a trigger of ... + * usb_disable_device(): + * disable all the endpoints for a USB device. + * usb_disable_endpoint(): + * disable endpoints. pending urbs are unlinked(dequeued). + * + * NOTE: After calling rh_port_disconnect(), the USB device drivers of a + * deteched device should release used urbs in a cleanup function(i.e. + * xxx_disconnect()). Therefore, vhci_hcd does not need to release + * pushed urbs and their private data in this function. + * + * NOTE: vhci_dequeue() must be considered carefully. When shutdowning + * a connection, vhci_shutdown_connection() expects vhci_dequeue() + * gives back pushed urbs and frees their private data by request of + * the cleanup function of a USB driver. When unlinking a urb with an + * active connection, vhci_dequeue() does not give back the urb which + * is actually given back by vhci_rx after receiving its return pdu. + * + */ + rh_port_disconnect(vdev->rhport); + + uinfo("disconnect device\n"); +} + + +static void vhci_device_reset(struct usbip_device *ud) +{ + struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + + spin_lock(&ud->lock); + + vdev->speed = 0; + vdev->devid = 0; + + ud->tcp_socket = NULL; + + ud->status = VDEV_ST_NULL; + + spin_unlock(&ud->lock); +} + +static void vhci_device_unusable(struct usbip_device *ud) +{ + spin_lock(&ud->lock); + + ud->status = VDEV_ST_ERROR; + + spin_unlock(&ud->lock); +} + +static void vhci_device_init(struct vhci_device *vdev) +{ + memset(vdev, 0, sizeof(*vdev)); + + usbip_task_init(&vdev->ud.tcp_rx, "vhci_rx", vhci_rx_loop); + usbip_task_init(&vdev->ud.tcp_tx, "vhci_tx", vhci_tx_loop); + + vdev->ud.side = USBIP_VHCI; + vdev->ud.status = VDEV_ST_NULL; + /* vdev->ud.lock = SPIN_LOCK_UNLOCKED; */ + spin_lock_init(&vdev->ud.lock); + + INIT_LIST_HEAD(&vdev->priv_rx); + INIT_LIST_HEAD(&vdev->priv_tx); + INIT_LIST_HEAD(&vdev->unlink_tx); + INIT_LIST_HEAD(&vdev->unlink_rx); + /* vdev->priv_lock = SPIN_LOCK_UNLOCKED; */ + spin_lock_init(&vdev->priv_lock); + + init_waitqueue_head(&vdev->waitq_tx); + + vdev->ud.eh_ops.shutdown = vhci_shutdown_connection; + vdev->ud.eh_ops.reset = vhci_device_reset; + vdev->ud.eh_ops.unusable = vhci_device_unusable; + + usbip_start_eh(&vdev->ud); +} + + +/*----------------------------------------------------------------------*/ + +static int vhci_start(struct usb_hcd *hcd) +{ + struct vhci_hcd *vhci = hcd_to_vhci(hcd); + int rhport; + int err = 0; + + dbg_vhci_hc("enter vhci_start\n"); + + + /* initialize private data of usb_hcd */ + + for (rhport = 0; rhport < VHCI_NPORTS; rhport++) { + struct vhci_device *vdev = &vhci->vdev[rhport]; + vhci_device_init(vdev); + vdev->rhport = rhport; + } + + atomic_set(&vhci->seqnum, 0); + spin_lock_init(&vhci->lock); + + + + hcd->power_budget = 0; /* no limit */ + hcd->state = HC_STATE_RUNNING; + hcd->uses_new_polling = 1; + + + /* vhci_hcd is now ready to be controlled through sysfs */ + err = sysfs_create_group(&vhci_dev(vhci)->kobj, &dev_attr_group); + if (err) { + uerr("create sysfs files\n"); + return err; + } + + return 0; +} + +static void vhci_stop(struct usb_hcd *hcd) +{ + struct vhci_hcd *vhci = hcd_to_vhci(hcd); + int rhport = 0; + + dbg_vhci_hc("stop VHCI controller\n"); + + + /* 1. remove the userland interface of vhci_hcd */ + sysfs_remove_group(&vhci_dev(vhci)->kobj, &dev_attr_group); + + /* 2. shutdown all the ports of vhci_hcd */ + for (rhport = 0 ; rhport < VHCI_NPORTS; rhport++) { + struct vhci_device *vdev = &vhci->vdev[rhport]; + + usbip_event_add(&vdev->ud, VDEV_EVENT_REMOVED); + usbip_stop_eh(&vdev->ud); + } + + + uinfo("vhci_stop done\n"); +} + +/*----------------------------------------------------------------------*/ + +static int vhci_get_frame_number(struct usb_hcd *hcd) +{ + uerr("Not yet implemented\n"); + return 0; +} + + +#ifdef CONFIG_PM + +/* FIXME: suspend/resume */ +static int vhci_bus_suspend(struct usb_hcd *hcd) +{ + struct vhci_hcd *vhci = hcd_to_vhci(hcd); + + dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); + + spin_lock_irq(&vhci->lock); + /* vhci->rh_state = DUMMY_RH_SUSPENDED; + * set_link_state(vhci); */ + hcd->state = HC_STATE_SUSPENDED; + spin_unlock_irq(&vhci->lock); + + return 0; +} + +static int vhci_bus_resume(struct usb_hcd *hcd) +{ + struct vhci_hcd *vhci = hcd_to_vhci(hcd); + int rc = 0; + + dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); + + spin_lock_irq(&vhci->lock); + if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { + rc = -ESHUTDOWN; + } else { + /* vhci->rh_state = DUMMY_RH_RUNNING; + * set_link_state(vhci); + * if (!list_empty(&vhci->urbp_list)) + * mod_timer(&vhci->timer, jiffies); */ + hcd->state = HC_STATE_RUNNING; + } + spin_unlock_irq(&vhci->lock); + return rc; + + return 0; +} + +#else + +#define vhci_bus_suspend NULL +#define vhci_bus_resume NULL +#endif + + + +static struct hc_driver vhci_hc_driver = { + .description = driver_name, + .product_desc = driver_desc, + .hcd_priv_size = sizeof(struct vhci_hcd), + + .flags = HCD_USB2, + + .start = vhci_start, + .stop = vhci_stop, + + .urb_enqueue = vhci_urb_enqueue, + .urb_dequeue = vhci_urb_dequeue, + + .get_frame_number = vhci_get_frame_number, + + .hub_status_data = vhci_hub_status, + .hub_control = vhci_hub_control, + .bus_suspend = vhci_bus_suspend, + .bus_resume = vhci_bus_resume, +}; + +static int vhci_hcd_probe(struct platform_device *pdev) +{ + struct usb_hcd *hcd; + int ret; + + uinfo("proving...\n"); + + dbg_vhci_hc("name %s id %d\n", pdev->name, pdev->id); + + /* will be removed */ + if (pdev->dev.dma_mask) { + dev_info(&pdev->dev, "vhci_hcd DMA not supported\n"); + return -EINVAL; + } + + /* + * Allocate and initialize hcd. + * Our private data is also allocated automatically. + */ + hcd = usb_create_hcd(&vhci_hc_driver, &pdev->dev, pdev->dev.bus_id); + if (!hcd) { + uerr("create hcd failed\n"); + return -ENOMEM; + } + + + /* this is private data for vhci_hcd */ + the_controller = hcd_to_vhci(hcd); + + /* + * Finish generic HCD structure initialization and register. + * Call the driver's reset() and start() routines. + */ + ret = usb_add_hcd(hcd, 0, 0); + if (ret != 0) { + uerr("usb_add_hcd failed %d\n", ret); + usb_put_hcd(hcd); + the_controller = NULL; + return ret; + } + + + dbg_vhci_hc("bye\n"); + return 0; +} + + +static int vhci_hcd_remove(struct platform_device *pdev) +{ + struct usb_hcd *hcd; + + hcd = platform_get_drvdata(pdev); + if (!hcd) + return 0; + + /* + * Disconnects the root hub, + * then reverses the effects of usb_add_hcd(), + * invoking the HCD's stop() methods. + */ + usb_remove_hcd(hcd); + usb_put_hcd(hcd); + the_controller = NULL; + + + return 0; +} + + + +#ifdef CONFIG_PM + +/* what should happen for USB/IP under suspend/resume? */ +static int vhci_hcd_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct usb_hcd *hcd; + int rhport = 0; + int connected = 0; + int ret = 0; + + dev_dbg(&pdev->dev, "%s\n", __func__); + + hcd = platform_get_drvdata(pdev); + + spin_lock(&the_controller->lock); + + for (rhport = 0; rhport < VHCI_NPORTS; rhport++) + if (the_controller->port_status[rhport] & + USB_PORT_STAT_CONNECTION) + connected += 1; + + spin_unlock(&the_controller->lock); + + if (connected > 0) { + uinfo("We have %d active connection%s. Do not suspend.\n", + connected, (connected == 1 ? "" : "s")); + ret = -EBUSY; + } else { + uinfo("suspend vhci_hcd"); + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + } + + return ret; +} + +static int vhci_hcd_resume(struct platform_device *pdev) +{ + struct usb_hcd *hcd; + + dev_dbg(&pdev->dev, "%s\n", __func__); + + hcd = platform_get_drvdata(pdev); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + usb_hcd_poll_rh_status(hcd); + + return 0; +} + +#else + +#define vhci_hcd_suspend NULL +#define vhci_hcd_resume NULL + +#endif + + +static struct platform_driver vhci_driver = { + .probe = vhci_hcd_probe, + .remove = __devexit_p(vhci_hcd_remove), + .suspend = vhci_hcd_suspend, + .resume = vhci_hcd_resume, + .driver = { + .name = (char *) driver_name, + .owner = THIS_MODULE, + }, +}; + +/*----------------------------------------------------------------------*/ + +/* + * The VHCI 'device' is 'virtual'; not a real plug&play hardware. + * We need to add this virtual device as a platform device arbitrarily: + * 1. platform_device_register() + */ +static void the_pdev_release(struct device *dev) +{ + return; +} + +static struct platform_device the_pdev = { + /* should be the same name as driver_name */ + .name = (char *) driver_name, + .id = -1, + .dev = { + /* .driver = &vhci_driver, */ + .release = the_pdev_release, + }, +}; + +static int __init vhci_init(void) +{ + int ret; + + dbg_vhci_hc("enter\n"); + if (usb_disabled()) + return -ENODEV; + + printk(KERN_INFO KBUILD_MODNAME ": %s, %s\n", driver_name, + DRIVER_VERSION); + + ret = platform_driver_register(&vhci_driver); + if (ret < 0) + goto err_driver_register; + + ret = platform_device_register(&the_pdev); + if (ret < 0) + goto err_platform_device_register; + + dbg_vhci_hc("bye\n"); + return ret; + + /* error occurred */ +err_platform_device_register: + platform_driver_unregister(&vhci_driver); + +err_driver_register: + dbg_vhci_hc("bye\n"); + return ret; +} +module_init(vhci_init); + +static void __exit vhci_cleanup(void) +{ + dbg_vhci_hc("enter\n"); + + platform_device_unregister(&the_pdev); + platform_driver_unregister(&vhci_driver); + + dbg_vhci_hc("bye\n"); +} +module_exit(vhci_cleanup); diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c new file mode 100644 index 000000000000..933ccaf50afb --- /dev/null +++ b/drivers/staging/usbip/vhci_rx.c @@ -0,0 +1,251 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "vhci.h" + + +/* get URB from transmitted urb queue */ +static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, + __u32 seqnum) +{ + struct vhci_priv *priv, *tmp; + struct urb *urb = NULL; + int status; + + spin_lock(&vdev->priv_lock); + + list_for_each_entry_safe(priv, tmp, &vdev->priv_rx, list) { + if (priv->seqnum == seqnum) { + urb = priv->urb; + status = urb->status; + + dbg_vhci_rx("find urb %p vurb %p seqnum %u\n", + urb, priv, seqnum); + + /* TODO: fix logic here to improve indent situtation */ + if (status != -EINPROGRESS) { + if (status == -ENOENT || + status == -ECONNRESET) + dev_info(&urb->dev->dev, + "urb %p was unlinked " + "%ssynchronuously.\n", urb, + status == -ENOENT ? "" : "a"); + else + dev_info(&urb->dev->dev, + "urb %p may be in a error, " + "status %d\n", urb, status); + } + + list_del(&priv->list); + kfree(priv); + urb->hcpriv = NULL; + + break; + } + } + + spin_unlock(&vdev->priv_lock); + + return urb; +} + +static void vhci_recv_ret_submit(struct vhci_device *vdev, + struct usbip_header *pdu) +{ + struct usbip_device *ud = &vdev->ud; + struct urb *urb; + + + urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum); + + + if (!urb) { + uerr("cannot find a urb of seqnum %u\n", pdu->base.seqnum); + uinfo("max seqnum %d\n", atomic_read(&the_controller->seqnum)); + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return; + } + + + /* unpack the pdu to a urb */ + usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0); + + + /* recv transfer buffer */ + if (usbip_recv_xbuff(ud, urb) < 0) + return; + + + /* recv iso_packet_descriptor */ + if (usbip_recv_iso(ud, urb) < 0) + return; + + + if (dbg_flag_vhci_rx) + usbip_dump_urb(urb); + + + dbg_vhci_rx("now giveback urb %p\n", urb); + + spin_lock(&the_controller->lock); + usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb); + spin_unlock(&the_controller->lock); + + usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status); + + + dbg_vhci_rx("Leave\n"); + + return; +} + + +static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev, + struct usbip_header *pdu) +{ + struct vhci_unlink *unlink, *tmp; + + spin_lock(&vdev->priv_lock); + + list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) { + uinfo("unlink->seqnum %lu\n", unlink->seqnum); + if (unlink->seqnum == pdu->base.seqnum) { + dbg_vhci_rx("found pending unlink, %lu\n", + unlink->seqnum); + list_del(&unlink->list); + + spin_unlock(&vdev->priv_lock); + return unlink; + } + } + + spin_unlock(&vdev->priv_lock); + + return NULL; +} + + +static void vhci_recv_ret_unlink(struct vhci_device *vdev, + struct usbip_header *pdu) +{ + struct vhci_unlink *unlink; + struct urb *urb; + + usbip_dump_header(pdu); + + unlink = dequeue_pending_unlink(vdev, pdu); + if (!unlink) { + uinfo("cannot find the pending unlink %u\n", pdu->base.seqnum); + return; + } + + urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum); + if (!urb) { + /* + * I get the result of a unlink request. But, it seems that I + * already received the result of its submit result and gave + * back the URB. + */ + uinfo("the urb (seqnum %d) was already given backed\n", + pdu->base.seqnum); + } else { + dbg_vhci_rx("now giveback urb %p\n", urb); + + /* If unlink is succeed, status is -ECONNRESET */ + urb->status = pdu->u.ret_unlink.status; + uinfo("%d\n", urb->status); + + spin_lock(&the_controller->lock); + usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb); + spin_unlock(&the_controller->lock); + + usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, + urb->status); + } + + kfree(unlink); + + return; +} + +/* recv a pdu */ +static void vhci_rx_pdu(struct usbip_device *ud) +{ + int ret; + struct usbip_header pdu; + struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + + + dbg_vhci_rx("Enter\n"); + + memset(&pdu, 0, sizeof(pdu)); + + + /* 1. receive a pdu header */ + ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0); + if (ret != sizeof(pdu)) { + uerr("receiving pdu failed! size is %d, should be %d\n", + ret, sizeof(pdu)); + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return; + } + + usbip_header_correct_endian(&pdu, 0); + + if (dbg_flag_vhci_rx) + usbip_dump_header(&pdu); + + switch (pdu.base.command) { + case USBIP_RET_SUBMIT: + vhci_recv_ret_submit(vdev, &pdu); + break; + case USBIP_RET_UNLINK: + vhci_recv_ret_unlink(vdev, &pdu); + break; + default: + /* NOTREACHED */ + uerr("unknown pdu %u\n", pdu.base.command); + usbip_dump_header(&pdu); + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + } +} + + +/*-------------------------------------------------------------------------*/ + +void vhci_rx_loop(struct usbip_task *ut) +{ + struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_rx); + + + while (1) { + if (signal_pending(current)) { + dbg_vhci_rx("signal catched!\n"); + break; + } + + + if (usbip_event_happend(ud)) + break; + + vhci_rx_pdu(ud); + } +} + diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/staging/usbip/vhci_sysfs.c new file mode 100644 index 000000000000..24c2851a8f84 --- /dev/null +++ b/drivers/staging/usbip/vhci_sysfs.c @@ -0,0 +1,250 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "vhci.h" + +#include + +/* TODO: refine locking ?*/ + +/* Sysfs entry to show port status */ +static ssize_t show_status(struct device *dev, struct device_attribute *attr, + char *out) +{ + char *s = out; + int i = 0; + + if (!the_controller || !out) + BUG(); + + spin_lock(&the_controller->lock); + + /* + * output example: + * prt sta spd dev socket local_busid + * 000 004 000 000 c5a7bb80 1-2.3 + * 001 004 000 000 d8cee980 2-3.4 + * + * IP address can be retrieved from a socket pointer address by looking + * up /proc/net/{tcp,tcp6}. Also, a userland program may remember a + * port number and its peer IP address. + */ + out += sprintf(out, "prt sta spd bus dev socket " + "local_busid\n"); + + for (i = 0; i < VHCI_NPORTS; i++) { + struct vhci_device *vdev = port_to_vdev(i); + + spin_lock(&vdev->ud.lock); + + out += sprintf(out, "%03u %03u ", i, vdev->ud.status); + + if (vdev->ud.status == VDEV_ST_USED) { + out += sprintf(out, "%03u %08x ", + vdev->speed, vdev->devid); + out += sprintf(out, "%16p ", vdev->ud.tcp_socket); + out += sprintf(out, "%s", vdev->udev->dev.bus_id); + + } else + out += sprintf(out, "000 000 000 0000000000000000 0-0"); + + out += sprintf(out, "\n"); + + spin_unlock(&vdev->ud.lock); + } + + spin_unlock(&the_controller->lock); + + return out - s; +} +static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); + +/* Sysfs entry to shutdown a virtual connection */ +static int vhci_port_disconnect(__u32 rhport) +{ + struct vhci_device *vdev; + + dbg_vhci_sysfs("enter\n"); + + /* lock */ + spin_lock(&the_controller->lock); + + vdev = port_to_vdev(rhport); + + spin_lock(&vdev->ud.lock); + if (vdev->ud.status == VDEV_ST_NULL) { + uerr("not connected %d\n", vdev->ud.status); + + /* unlock */ + spin_unlock(&vdev->ud.lock); + spin_unlock(&the_controller->lock); + + return -EINVAL; + } + + /* unlock */ + spin_unlock(&vdev->ud.lock); + spin_unlock(&the_controller->lock); + + usbip_event_add(&vdev->ud, VDEV_EVENT_DOWN); + + return 0; +} + +static ssize_t store_detach(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int err; + __u32 rhport = 0; + + sscanf(buf, "%u", &rhport); + + /* check rhport */ + if (rhport >= VHCI_NPORTS) { + uerr("invalid port %u\n", rhport); + return -EINVAL; + } + + err = vhci_port_disconnect(rhport); + if (err < 0) + return -EINVAL; + + dbg_vhci_sysfs("Leave\n"); + return count; +} +static DEVICE_ATTR(detach, S_IWUSR, NULL, store_detach); + +/* Sysfs entry to establish a virtual connection */ +static int valid_args(__u32 rhport, enum usb_device_speed speed) +{ + /* check rhport */ + if ((rhport < 0) || (rhport >= VHCI_NPORTS)) { + uerr("port %u\n", rhport); + return -EINVAL; + } + + /* check speed */ + switch (speed) { + case USB_SPEED_LOW: + case USB_SPEED_FULL: + case USB_SPEED_HIGH: + case USB_SPEED_VARIABLE: + break; + default: + uerr("speed %d\n", speed); + return -EINVAL; + } + + return 0; +} + +/* + * To start a new USB/IP attachment, a userland program needs to setup a TCP + * connection and then write its socket descriptor with remote device + * information into this sysfs file. + * + * A remote device is virtually attached to the root-hub port of @rhport with + * @speed. @devid is embedded into a request to specify the remote device in a + * server host. + * + * write() returns 0 on success, else negative errno. + */ +static ssize_t store_attach(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct vhci_device *vdev; + struct socket *socket; + int sockfd = 0; + __u32 rhport = 0, devid = 0, speed = 0; + + /* + * @rhport: port number of vhci_hcd + * @sockfd: socket descriptor of an established TCP connection + * @devid: unique device identifier in a remote host + * @speed: usb device speed in a remote host + */ + sscanf(buf, "%u %u %u %u", &rhport, &sockfd, &devid, &speed); + + dbg_vhci_sysfs("rhport(%u) sockfd(%u) devid(%u) speed(%u)\n", + rhport, sockfd, devid, speed); + + + /* check received parameters */ + if (valid_args(rhport, speed) < 0) + return -EINVAL; + + /* check sockfd */ + socket = sockfd_to_socket(sockfd); + if (!socket) + return -EINVAL; + + /* now need lock until setting vdev status as used */ + + /* begin a lock */ + spin_lock(&the_controller->lock); + + vdev = port_to_vdev(rhport); + + spin_lock(&vdev->ud.lock); + + if (vdev->ud.status != VDEV_ST_NULL) { + /* end of the lock */ + spin_unlock(&vdev->ud.lock); + spin_unlock(&the_controller->lock); + + uerr("port %d already used\n", rhport); + return -EINVAL; + } + + uinfo("rhport(%u) sockfd(%d) devid(%u) speed(%u)\n", + rhport, sockfd, devid, speed); + + vdev->devid = devid; + vdev->speed = speed; + vdev->ud.tcp_socket = socket; + vdev->ud.status = VDEV_ST_NOTASSIGNED; + + spin_unlock(&vdev->ud.lock); + spin_unlock(&the_controller->lock); + /* end the lock */ + + /* + * this function will sleep, so should be out of the lock. but, it's ok + * because we already marked vdev as being used. really? + */ + usbip_start_threads(&vdev->ud); + + rh_port_connect(rhport, speed); + + return count; +} +static DEVICE_ATTR(attach, S_IWUSR, NULL, store_attach); + +static struct attribute *dev_attrs[] = { + &dev_attr_status.attr, + &dev_attr_detach.attr, + &dev_attr_attach.attr, + &dev_attr_usbip_debug.attr, + NULL, +}; + +struct attribute_group dev_attr_group = { + .attrs = dev_attrs, +}; diff --git a/drivers/staging/usbip/vhci_tx.c b/drivers/staging/usbip/vhci_tx.c new file mode 100644 index 000000000000..1f552a95f486 --- /dev/null +++ b/drivers/staging/usbip/vhci_tx.c @@ -0,0 +1,239 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "vhci.h" + + +static void setup_cmd_submit_pdu(struct usbip_header *pdup, struct urb *urb) +{ + struct vhci_priv *priv = ((struct vhci_priv *)urb->hcpriv); + struct vhci_device *vdev = priv->vdev; + + dbg_vhci_tx("URB, local devnum %u, remote devid %u\n", + usb_pipedevice(urb->pipe), vdev->devid); + + pdup->base.command = USBIP_CMD_SUBMIT; + pdup->base.seqnum = priv->seqnum; + pdup->base.devid = vdev->devid; + if (usb_pipein(urb->pipe)) + pdup->base.direction = USBIP_DIR_IN; + else + pdup->base.direction = USBIP_DIR_OUT; + pdup->base.ep = usb_pipeendpoint(urb->pipe); + + usbip_pack_pdu(pdup, urb, USBIP_CMD_SUBMIT, 1); + + if (urb->setup_packet) + memcpy(pdup->u.cmd_submit.setup, urb->setup_packet, 8); +} + +static struct vhci_priv *dequeue_from_priv_tx(struct vhci_device *vdev) +{ + unsigned long flags; + struct vhci_priv *priv, *tmp; + + spin_lock_irqsave(&vdev->priv_lock, flags); + + list_for_each_entry_safe(priv, tmp, &vdev->priv_tx, list) { + list_move_tail(&priv->list, &vdev->priv_rx); + spin_unlock_irqrestore(&vdev->priv_lock, flags); + return priv; + } + + spin_unlock_irqrestore(&vdev->priv_lock, flags); + + return NULL; +} + + + +static int vhci_send_cmd_submit(struct vhci_device *vdev) +{ + struct vhci_priv *priv = NULL; + + struct msghdr msg; + struct kvec iov[3]; + size_t txsize; + + size_t total_size = 0; + + while ((priv = dequeue_from_priv_tx(vdev)) != NULL) { + int ret; + struct urb *urb = priv->urb; + struct usbip_header pdu_header; + void *iso_buffer = NULL; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + memset(&iov, 0, sizeof(iov)); + + dbg_vhci_tx("setup txdata urb %p\n", urb); + + + /* 1. setup usbip_header */ + setup_cmd_submit_pdu(&pdu_header, urb); + usbip_header_correct_endian(&pdu_header, 1); + + iov[0].iov_base = &pdu_header; + iov[0].iov_len = sizeof(pdu_header); + txsize += sizeof(pdu_header); + + /* 2. setup transfer buffer */ + if (!usb_pipein(urb->pipe) && urb->transfer_buffer_length > 0) { + iov[1].iov_base = urb->transfer_buffer; + iov[1].iov_len = urb->transfer_buffer_length; + txsize += urb->transfer_buffer_length; + } + + /* 3. setup iso_packet_descriptor */ + if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { + ssize_t len = 0; + + iso_buffer = usbip_alloc_iso_desc_pdu(urb, &len); + if (!iso_buffer) { + usbip_event_add(&vdev->ud, + SDEV_EVENT_ERROR_MALLOC); + return -1; + } + + iov[2].iov_base = iso_buffer; + iov[2].iov_len = len; + txsize += len; + } + + ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, iov, 3, txsize); + if (ret != txsize) { + uerr("sendmsg failed!, retval %d for %zd\n", ret, + txsize); + kfree(iso_buffer); + usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_TCP); + return -1; + } + + kfree(iso_buffer); + dbg_vhci_tx("send txdata\n"); + + total_size += txsize; + } + + return total_size; +} + + +/*-------------------------------------------------------------------------*/ + +static struct vhci_unlink *dequeue_from_unlink_tx(struct vhci_device *vdev) +{ + unsigned long flags; + struct vhci_unlink *unlink, *tmp; + + spin_lock_irqsave(&vdev->priv_lock, flags); + + list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) { + list_move_tail(&unlink->list, &vdev->unlink_rx); + spin_unlock_irqrestore(&vdev->priv_lock, flags); + return unlink; + } + + spin_unlock_irqrestore(&vdev->priv_lock, flags); + + return NULL; +} + +static int vhci_send_cmd_unlink(struct vhci_device *vdev) +{ + struct vhci_unlink *unlink = NULL; + + struct msghdr msg; + struct kvec iov[3]; + size_t txsize; + + size_t total_size = 0; + + while ((unlink = dequeue_from_unlink_tx(vdev)) != NULL) { + int ret; + struct usbip_header pdu_header; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + memset(&iov, 0, sizeof(iov)); + + dbg_vhci_tx("setup cmd unlink, %lu \n", unlink->seqnum); + + + /* 1. setup usbip_header */ + pdu_header.base.command = USBIP_CMD_UNLINK; + pdu_header.base.seqnum = unlink->seqnum; + pdu_header.base.devid = vdev->devid; + pdu_header.base.ep = 0; + pdu_header.u.cmd_unlink.seqnum = unlink->unlink_seqnum; + + usbip_header_correct_endian(&pdu_header, 1); + + iov[0].iov_base = &pdu_header; + iov[0].iov_len = sizeof(pdu_header); + txsize += sizeof(pdu_header); + + ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, iov, 1, txsize); + if (ret != txsize) { + uerr("sendmsg failed!, retval %d for %zd\n", ret, + txsize); + usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_TCP); + return -1; + } + + + dbg_vhci_tx("send txdata\n"); + + total_size += txsize; + } + + return total_size; +} + + +/*-------------------------------------------------------------------------*/ + +void vhci_tx_loop(struct usbip_task *ut) +{ + struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_tx); + struct vhci_device *vdev = container_of(ud, struct vhci_device, ud); + + while (1) { + if (signal_pending(current)) { + uinfo("vhci_tx signal catched\n"); + break; + } + + if (vhci_send_cmd_submit(vdev) < 0) + break; + + if (vhci_send_cmd_unlink(vdev) < 0) + break; + + wait_event_interruptible(vdev->waitq_tx, + (!list_empty(&vdev->priv_tx) || + !list_empty(&vdev->unlink_tx))); + + dbg_vhci_tx("pending urbs ?, now wake up\n"); + } +} -- GitLab From 4d7b5c7f8ad49b7f01fb8aed83c560ac43cfbda8 Mon Sep 17 00:00:00 2001 From: Takahiro Hirofuchi Date: Wed, 9 Jul 2008 14:56:51 -0600 Subject: [PATCH 3638/6244] Staging: USB/IP: add host driver This adds the USB IP client driver Brian Merrell cleaned up a lot of this code and submitted it for inclusion. Greg also did a lot of cleanup. Signed-off-by: Brian G. Merrell Cc: Takahiro Hirofuchi Signed-off-by: Greg Kroah-Hartman --- drivers/staging/usbip/Kconfig | 11 + drivers/staging/usbip/Makefile | 3 + drivers/staging/usbip/stub.h | 95 +++++ drivers/staging/usbip/stub_dev.c | 483 +++++++++++++++++++++++ drivers/staging/usbip/stub_main.c | 300 +++++++++++++++ drivers/staging/usbip/stub_rx.c | 615 ++++++++++++++++++++++++++++++ drivers/staging/usbip/stub_tx.c | 371 ++++++++++++++++++ 7 files changed, 1878 insertions(+) create mode 100644 drivers/staging/usbip/stub.h create mode 100644 drivers/staging/usbip/stub_dev.c create mode 100644 drivers/staging/usbip/stub_main.c create mode 100644 drivers/staging/usbip/stub_rx.c create mode 100644 drivers/staging/usbip/stub_tx.c diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig index c4d68e1581fc..7426235ccc44 100644 --- a/drivers/staging/usbip/Kconfig +++ b/drivers/staging/usbip/Kconfig @@ -23,3 +23,14 @@ config USB_IP_VHCI_HCD To compile this driver as a module, choose M here: the module will be called vhci_hcd. + +config USB_IP_HOST + tristate "USB IP host driver" + depends on USB_IP_COMMON + default N + ---help--- + This enables the USB IP device driver which will run on the + host machine. + + To compile this driver as a module, choose M here: the + module will be called usbip. diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile index 6ef4c3913f45..179f4211f96b 100644 --- a/drivers/staging/usbip/Makefile +++ b/drivers/staging/usbip/Makefile @@ -4,6 +4,9 @@ usbip_common_mod-objs := usbip_common.o usbip_event.o obj-$(CONFIG_USB_IP_VHCI_HCD) += vhci-hcd.o vhci-hcd-objs := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o +obj-$(CONFIG_USB_IP_HOST) += usbip.o +usbip-objs := stub_dev.o stub_main.o stub_rx.o stub_tx.o + ifeq ($(CONFIG_USB_DEBUG),y) EXTRA_CFLAGS += -DDEBUG endif diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h new file mode 100644 index 000000000000..f541a3a83bd3 --- /dev/null +++ b/drivers/staging/usbip/stub.h @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include +#include +#include +#include +#include +#include +#include + +struct stub_device { + struct usb_interface *interface; + struct list_head list; + + struct usbip_device ud; + __u32 devid; + + /* + * stub_priv preserves private data of each urb. + * It is allocated as stub_priv_cache and assigned to urb->context. + * + * stub_priv is always linked to any one of 3 lists; + * priv_init: linked to this until the comletion of a urb. + * priv_tx : linked to this after the completion of a urb. + * priv_free: linked to this after the sending of the result. + * + * Any of these list operations should be locked by priv_lock. + */ + spinlock_t priv_lock; + struct list_head priv_init; + struct list_head priv_tx; + struct list_head priv_free; + + /* see comments for unlinking in stub_rx.c */ + struct list_head unlink_tx; + struct list_head unlink_free; + + + wait_queue_head_t tx_waitq; +}; + +/* private data into urb->priv */ +struct stub_priv { + unsigned long seqnum; + struct list_head list; + struct stub_device *sdev; + struct urb *urb; + + int unlinking; +}; + +struct stub_unlink { + unsigned long seqnum; + struct list_head list; + __u32 status; +}; + + +extern struct kmem_cache *stub_priv_cache; + + +/*-------------------------------------------------------------------------*/ +/* prototype declarations */ + +/* stub_tx.c */ +void stub_complete(struct urb *); +void stub_tx_loop(struct usbip_task *); + +/* stub_dev.c */ +extern struct usb_driver stub_driver; + +/* stub_rx.c */ +void stub_rx_loop(struct usbip_task *); +void stub_enqueue_ret_unlink(struct stub_device *, __u32, __u32); + +/* stub_main.c */ +int match_busid(char *busid); +void stub_device_cleanup_urbs(struct stub_device *sdev); diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c new file mode 100644 index 000000000000..ee455a087eaf --- /dev/null +++ b/drivers/staging/usbip/stub_dev.c @@ -0,0 +1,483 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "stub.h" + + + +static int stub_probe(struct usb_interface *interface, + const struct usb_device_id *id); +static void stub_disconnect(struct usb_interface *interface); + + +/* + * Define device IDs here if you want to explicitly limit exportable devices. + * In the most cases, wild card matching will be ok because driver binding can + * be changed dynamically by a userland program. + */ +static struct usb_device_id stub_table[] = { +#if 0 + /* just an example */ + { USB_DEVICE(0x05ac, 0x0301) }, /* Mac 1 button mouse */ + { USB_DEVICE(0x0430, 0x0009) }, /* Plat Home Keyboard */ + { USB_DEVICE(0x059b, 0x0001) }, /* Iomega USB Zip 100 */ + { USB_DEVICE(0x04b3, 0x4427) }, /* IBM USB CD-ROM */ + { USB_DEVICE(0x05a9, 0xa511) }, /* LifeView USB cam */ + { USB_DEVICE(0x55aa, 0x0201) }, /* Imation card reader */ + { USB_DEVICE(0x046d, 0x0870) }, /* Qcam Express(QV-30) */ + { USB_DEVICE(0x04bb, 0x0101) }, /* IO-DATA HD 120GB */ + { USB_DEVICE(0x04bb, 0x0904) }, /* IO-DATA USB-ET/TX */ + { USB_DEVICE(0x04bb, 0x0201) }, /* IO-DATA USB-ET/TX */ + { USB_DEVICE(0x08bb, 0x2702) }, /* ONKYO USB Speaker */ + { USB_DEVICE(0x046d, 0x08b2) }, /* Logicool Qcam 4000 Pro */ +#endif + /* magic for wild card */ + { .driver_info = 1 }, + { 0, } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, stub_table); + +struct usb_driver stub_driver = { + .name = "usbip", + .probe = stub_probe, + .disconnect = stub_disconnect, + .id_table = stub_table, +}; + + +/*-------------------------------------------------------------------------*/ + +/* Define sysfs entries for a usbip-bound device */ + + +/* + * usbip_status shows status of usbip as long as this driver is bound to the + * target device. + */ +static ssize_t show_status(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct stub_device *sdev = dev_get_drvdata(dev); + int status; + + if (!sdev) { + dev_err(dev, "sdev is null\n"); + return -ENODEV; + } + + spin_lock(&sdev->ud.lock); + status = sdev->ud.status; + spin_unlock(&sdev->ud.lock); + + return snprintf(buf, PAGE_SIZE, "%d\n", status); +} +static DEVICE_ATTR(usbip_status, S_IRUGO, show_status, NULL); + +/* + * usbip_sockfd gets a socket descriptor of an established TCP connection that + * is used to transfer usbip requests by kernel threads. -1 is a magic number + * by which usbip connection is finished. + */ +static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct stub_device *sdev = dev_get_drvdata(dev); + int sockfd = 0; + struct socket *socket; + + if (!sdev) { + dev_err(dev, "sdev is null\n"); + return -ENODEV; + } + + sscanf(buf, "%d", &sockfd); + + if (sockfd != -1) { + dev_info(dev, "stub up\n"); + + spin_lock(&sdev->ud.lock); + + if (sdev->ud.status != SDEV_ST_AVAILABLE) { + dev_err(dev, "not ready\n"); + spin_unlock(&sdev->ud.lock); + return -EINVAL; + } + + socket = sockfd_to_socket(sockfd); + if (!socket) { + spin_unlock(&sdev->ud.lock); + return -EINVAL; + } + +#if 0 + setnodelay(socket); + setkeepalive(socket); + setreuse(socket); +#endif + + sdev->ud.tcp_socket = socket; + + spin_unlock(&sdev->ud.lock); + + usbip_start_threads(&sdev->ud); + + spin_lock(&sdev->ud.lock); + sdev->ud.status = SDEV_ST_USED; + spin_unlock(&sdev->ud.lock); + + } else { + dev_info(dev, "stub down\n"); + + spin_lock(&sdev->ud.lock); + if (sdev->ud.status != SDEV_ST_USED) { + spin_unlock(&sdev->ud.lock); + return -EINVAL; + } + spin_unlock(&sdev->ud.lock); + + usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN); + } + + return count; +} +static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd); + +static int stub_add_files(struct device *dev) +{ + int err = 0; + + err = device_create_file(dev, &dev_attr_usbip_status); + if (err) + goto err_status; + + err = device_create_file(dev, &dev_attr_usbip_sockfd); + if (err) + goto err_sockfd; + + err = device_create_file(dev, &dev_attr_usbip_debug); + if (err) + goto err_debug; + + return 0; + +err_debug: + device_remove_file(dev, &dev_attr_usbip_sockfd); + +err_sockfd: + device_remove_file(dev, &dev_attr_usbip_status); + +err_status: + return err; +} + +static void stub_remove_files(struct device *dev) +{ + device_remove_file(dev, &dev_attr_usbip_status); + device_remove_file(dev, &dev_attr_usbip_sockfd); + device_remove_file(dev, &dev_attr_usbip_debug); +} + + + +/*-------------------------------------------------------------------------*/ + +/* Event handler functions called by an event handler thread */ + +static void stub_shutdown_connection(struct usbip_device *ud) +{ + struct stub_device *sdev = container_of(ud, struct stub_device, ud); + + /* + * When removing an exported device, kernel panic sometimes occurred + * and then EIP was sk_wait_data of stub_rx thread. Is this because + * sk_wait_data returned though stub_rx thread was already finished by + * step 1? + */ + if (ud->tcp_socket) { + udbg("shutdown tcp_socket %p\n", ud->tcp_socket); + kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); + } + + /* 1. stop threads */ + usbip_stop_threads(ud); + + /* 2. close the socket */ + /* + * tcp_socket is freed after threads are killed. + * So usbip_xmit do not touch NULL socket. + */ + if (ud->tcp_socket) { + sock_release(ud->tcp_socket); + ud->tcp_socket = NULL; + } + + /* 3. free used data */ + stub_device_cleanup_urbs(sdev); + + /* 4. free stub_unlink */ + { + unsigned long flags; + struct stub_unlink *unlink, *tmp; + + spin_lock_irqsave(&sdev->priv_lock, flags); + + list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) { + list_del(&unlink->list); + kfree(unlink); + } + + list_for_each_entry_safe(unlink, tmp, + &sdev->unlink_free, list) { + list_del(&unlink->list); + kfree(unlink); + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + } +} + +static void stub_device_reset(struct usbip_device *ud) +{ + struct stub_device *sdev = container_of(ud, struct stub_device, ud); + struct usb_device *udev = interface_to_usbdev(sdev->interface); + int ret; + + udbg("device reset"); + ret = usb_lock_device_for_reset(udev, sdev->interface); + if (ret < 0) { + dev_err(&udev->dev, "lock for reset\n"); + + spin_lock(&ud->lock); + ud->status = SDEV_ST_ERROR; + spin_unlock(&ud->lock); + + return; + } + + /* try to reset the device */ + ret = usb_reset_device(udev); + + usb_unlock_device(udev); + + spin_lock(&ud->lock); + if (ret) { + dev_err(&udev->dev, "device reset\n"); + ud->status = SDEV_ST_ERROR; + + } else { + dev_info(&udev->dev, "device reset\n"); + ud->status = SDEV_ST_AVAILABLE; + + } + spin_unlock(&ud->lock); + + return; +} + +static void stub_device_unusable(struct usbip_device *ud) +{ + spin_lock(&ud->lock); + ud->status = SDEV_ST_ERROR; + spin_unlock(&ud->lock); +} + + +/*-------------------------------------------------------------------------*/ + +/** + * stub_device_alloc - allocate a new stub_device struct + * @interface: usb_interface of a new device + * + * Allocates and initializes a new stub_device struct. + */ +static struct stub_device *stub_device_alloc(struct usb_interface *interface) +{ + struct stub_device *sdev; + int busnum = interface_to_busnum(interface); + int devnum = interface_to_devnum(interface); + + dev_dbg(&interface->dev, "allocating stub device"); + + /* yes, it's a new device */ + sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL); + if (!sdev) { + dev_err(&interface->dev, "no memory for stub_device\n"); + return NULL; + } + + sdev->interface = interface; + + /* + * devid is defined with devnum when this driver is first allocated. + * devnum may change later if a device is reset. However, devid never + * changes during a usbip connection. + */ + sdev->devid = (busnum << 16) | devnum; + + usbip_task_init(&sdev->ud.tcp_rx, "stub_rx", stub_rx_loop); + usbip_task_init(&sdev->ud.tcp_tx, "stub_tx", stub_tx_loop); + + sdev->ud.side = USBIP_STUB; + sdev->ud.status = SDEV_ST_AVAILABLE; + /* sdev->ud.lock = SPIN_LOCK_UNLOCKED; */ + spin_lock_init(&sdev->ud.lock); + sdev->ud.tcp_socket = NULL; + + INIT_LIST_HEAD(&sdev->priv_init); + INIT_LIST_HEAD(&sdev->priv_tx); + INIT_LIST_HEAD(&sdev->priv_free); + INIT_LIST_HEAD(&sdev->unlink_free); + INIT_LIST_HEAD(&sdev->unlink_tx); + /* sdev->priv_lock = SPIN_LOCK_UNLOCKED; */ + spin_lock_init(&sdev->priv_lock); + + init_waitqueue_head(&sdev->tx_waitq); + + sdev->ud.eh_ops.shutdown = stub_shutdown_connection; + sdev->ud.eh_ops.reset = stub_device_reset; + sdev->ud.eh_ops.unusable = stub_device_unusable; + + usbip_start_eh(&sdev->ud); + + udbg("register new interface\n"); + return sdev; +} + +static int stub_device_free(struct stub_device *sdev) +{ + if (!sdev) + return -EINVAL; + + kfree(sdev); + udbg("kfree udev ok\n"); + + return 0; +} + + +/*-------------------------------------------------------------------------*/ + +/* + * If a usb device has multiple active interfaces, this driver is bound to all + * the active interfaces. However, usbip exports *a* usb device (i.e., not *an* + * active interface). Currently, a userland program must ensure that it + * looks at the usbip's sysfs entries of only the first active interface. + * + * TODO: use "struct usb_device_driver" to bind a usb device. + * However, it seems it is not fully supported in mainline kernel yet + * (2.6.19.2). + */ +static int stub_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(interface); + struct stub_device *sdev = NULL; + char *udev_busid = interface->dev.parent->bus_id; + int err = 0; + + dev_dbg(&interface->dev, "Enter\n"); + + /* check we should claim or not by busid_table */ + if (match_busid(udev_busid)) { + dev_info(&interface->dev, + "this device %s is not in match_busid table. skip!\n", + udev_busid); + + /* + * Return value should be ENODEV or ENOXIO to continue trying + * other matched drivers by the driver core. + * See driver_probe_device() in driver/base/dd.c + */ + return -ENODEV; + } + + if (udev->descriptor.bDeviceClass == USB_CLASS_HUB) { + udbg("this device %s is a usb hub device. skip!\n", + udev_busid); + return -ENODEV; + } + + if (!strcmp(udev->bus->bus_name, "vhci_hcd")) { + udbg("this device %s is attached on vhci_hcd. skip!\n", + udev_busid); + return -ENODEV; + } + + /* ok. this is my device. */ + sdev = stub_device_alloc(interface); + if (!sdev) + return -ENOMEM; + + dev_info(&interface->dev, "USB/IP Stub: register a new interface " + "(bus %u dev %u ifn %u)\n", udev->bus->busnum, udev->devnum, + interface->cur_altsetting->desc.bInterfaceNumber); + + /* set private data to usb_interface */ + usb_set_intfdata(interface, sdev); + + err = stub_add_files(&interface->dev); + if (err) { + dev_err(&interface->dev, "create sysfs files for %s\n", + udev_busid); + return err; + } + + return 0; +} + + +/* + * called in usb_disconnect() or usb_deregister() + * but only if actconfig(active configuration) exists + */ +static void stub_disconnect(struct usb_interface *interface) +{ + struct stub_device *sdev = usb_get_intfdata(interface); + + udbg("Enter\n"); + + /* get stub_device */ + if (!sdev) { + err(" could not get device from inteface data"); + /* BUG(); */ + return; + } + + usb_set_intfdata(interface, NULL); + + + /* + * NOTE: + * rx/tx threads are invoked for each usb_device. + */ + stub_remove_files(&interface->dev); + + /* 1. shutdown the current connection */ + usbip_event_add(&sdev->ud, SDEV_EVENT_REMOVED); + + /* 2. wait for the stop of the event handler */ + usbip_stop_eh(&sdev->ud); + + /* 3. free sdev */ + stub_device_free(sdev); + + + udbg("bye\n"); +} diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c new file mode 100644 index 000000000000..c665d7f1ca9a --- /dev/null +++ b/drivers/staging/usbip/stub_main.c @@ -0,0 +1,300 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + + +#include "usbip_common.h" +#include "stub.h" + +/* Version Information */ +#define DRIVER_VERSION "1.0" +#define DRIVER_AUTHOR "Takahiro Hirofuchi" +#define DRIVER_DESC "Stub Driver for USB/IP" + +/* stub_priv is allocated from stub_priv_cache */ +struct kmem_cache *stub_priv_cache; + +/*-------------------------------------------------------------------------*/ + +/* Define sysfs entries for the usbip driver */ + + +/* + * busid_tables defines matching busids that usbip can grab. A user can change + * dynamically what device is locally used and what device is exported to a + * remote host. + */ +#define MAX_BUSID 16 +static char busid_table[MAX_BUSID][BUS_ID_SIZE]; +static spinlock_t busid_table_lock; + + +int match_busid(char *busid) +{ + int i; + + spin_lock(&busid_table_lock); + + for (i = 0; i < MAX_BUSID; i++) + if (busid_table[i][0]) + if (!strncmp(busid_table[i], busid, BUS_ID_SIZE)) { + /* already registerd */ + spin_unlock(&busid_table_lock); + return 0; + } + + spin_unlock(&busid_table_lock); + + return 1; +} + +static ssize_t show_match_busid(struct device_driver *drv, char *buf) +{ + int i; + char *out = buf; + + spin_lock(&busid_table_lock); + + for (i = 0; i < MAX_BUSID; i++) + if (busid_table[i][0]) + out += sprintf(out, "%s ", busid_table[i]); + + spin_unlock(&busid_table_lock); + + out += sprintf(out, "\n"); + + return out - buf; +} + +static int add_match_busid(char *busid) +{ + int i; + + if (!match_busid(busid)) + return 0; + + spin_lock(&busid_table_lock); + + for (i = 0; i < MAX_BUSID; i++) + if (!busid_table[i][0]) { + strncpy(busid_table[i], busid, BUS_ID_SIZE); + spin_unlock(&busid_table_lock); + return 0; + } + + spin_unlock(&busid_table_lock); + + return -1; +} + +static int del_match_busid(char *busid) +{ + int i; + + spin_lock(&busid_table_lock); + + for (i = 0; i < MAX_BUSID; i++) + if (!strncmp(busid_table[i], busid, BUS_ID_SIZE)) { + /* found */ + memset(busid_table[i], 0, BUS_ID_SIZE); + spin_unlock(&busid_table_lock); + return 0; + } + + spin_unlock(&busid_table_lock); + + return -1; +} + +static ssize_t store_match_busid(struct device_driver *dev, const char *buf, + size_t count) +{ + int len; + char busid[BUS_ID_SIZE]; + + if (count < 5) + return -EINVAL; + + /* strnlen() does not include \0 */ + len = strnlen(buf + 4, BUS_ID_SIZE); + + /* busid needs to include \0 termination */ + if (!(len < BUS_ID_SIZE)) + return -EINVAL; + + strncpy(busid, buf + 4, BUS_ID_SIZE); + + + if (!strncmp(buf, "add ", 4)) { + if (add_match_busid(busid) < 0) + return -ENOMEM; + else { + udbg("add busid %s\n", busid); + return count; + } + } else if (!strncmp(buf, "del ", 4)) { + if (del_match_busid(busid) < 0) + return -ENODEV; + else { + udbg("del busid %s\n", busid); + return count; + } + } else + return -EINVAL; +} + +static DRIVER_ATTR(match_busid, S_IRUSR|S_IWUSR, show_match_busid, + store_match_busid); + + + +/*-------------------------------------------------------------------------*/ + +/* Cleanup functions used to free private data */ + +static struct stub_priv *stub_priv_pop_from_listhead(struct list_head *listhead) +{ + struct stub_priv *priv, *tmp; + + list_for_each_entry_safe(priv, tmp, listhead, list) { + list_del(&priv->list); + return priv; + } + + return NULL; +} + +static struct stub_priv *stub_priv_pop(struct stub_device *sdev) +{ + unsigned long flags; + struct stub_priv *priv; + + spin_lock_irqsave(&sdev->priv_lock, flags); + + priv = stub_priv_pop_from_listhead(&sdev->priv_init); + if (priv) { + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return priv; + } + + priv = stub_priv_pop_from_listhead(&sdev->priv_tx); + if (priv) { + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return priv; + } + + priv = stub_priv_pop_from_listhead(&sdev->priv_free); + if (priv) { + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return priv; + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return NULL; +} + +void stub_device_cleanup_urbs(struct stub_device *sdev) +{ + struct stub_priv *priv; + + udbg("free sdev %p\n", sdev); + + while ((priv = stub_priv_pop(sdev))) { + struct urb *urb = priv->urb; + + udbg(" free urb %p\n", urb); + usb_kill_urb(urb); + + kmem_cache_free(stub_priv_cache, priv); + + if (urb->transfer_buffer != NULL) + kfree(urb->transfer_buffer); + + if (urb->setup_packet != NULL) + kfree(urb->setup_packet); + + usb_free_urb(urb); + } +} + + +/*-------------------------------------------------------------------------*/ + +static int __init usb_stub_init(void) +{ + int ret; + + stub_priv_cache = kmem_cache_create("stub_priv", + sizeof(struct stub_priv), 0, + SLAB_HWCACHE_ALIGN, NULL); + + if (!stub_priv_cache) { + printk(KERN_ERR KBUILD_MODNAME + ": create stub_priv_cache error\n"); + return -ENOMEM; + } + + ret = usb_register(&stub_driver); + if (ret) { + printk(KERN_ERR KBUILD_MODNAME ": usb_register failed %d\n", + ret); + goto error_usb_register; + } + + printk(KERN_INFO KBUILD_MODNAME ":" + DRIVER_DESC ":" DRIVER_VERSION "\n"); + + memset(busid_table, 0, sizeof(busid_table)); + spin_lock_init(&busid_table_lock); + + ret = driver_create_file(&stub_driver.drvwrap.driver, + &driver_attr_match_busid); + + if (ret) { + printk(KERN_ERR KBUILD_MODNAME ": create driver sysfs\n"); + goto error_create_file; + } + + return ret; +error_create_file: + usb_deregister(&stub_driver); +error_usb_register: + kmem_cache_destroy(stub_priv_cache); + return ret; +} + +static void __exit usb_stub_exit(void) +{ + driver_remove_file(&stub_driver.drvwrap.driver, + &driver_attr_match_busid); + + /* + * deregister() calls stub_disconnect() for all devices. Device + * specific data is cleared in stub_disconnect(). + */ + usb_deregister(&stub_driver); + + kmem_cache_destroy(stub_priv_cache); +} + +module_init(usb_stub_init); +module_exit(usb_stub_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c new file mode 100644 index 000000000000..36ce898fced5 --- /dev/null +++ b/drivers/staging/usbip/stub_rx.c @@ -0,0 +1,615 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "stub.h" +#include "../../usb/core/hcd.h" + + +static int is_clear_halt_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + + return (req->bRequest == USB_REQ_CLEAR_FEATURE) && + (req->bRequestType == USB_RECIP_ENDPOINT) && + (req->wValue == USB_ENDPOINT_HALT); +} + +static int is_set_interface_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + + return (req->bRequest == USB_REQ_SET_INTERFACE) && + (req->bRequestType == USB_RECIP_INTERFACE); +} + +static int is_set_configuration_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + + return (req->bRequest == USB_REQ_SET_CONFIGURATION) && + (req->bRequestType == USB_RECIP_DEVICE); +} + +static int is_reset_device_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + __u16 value; + __u16 index; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + value = le16_to_cpu(req->wValue); + index = le16_to_cpu(req->wIndex); + + if ((req->bRequest == USB_REQ_SET_FEATURE) && + (req->bRequestType == USB_RT_PORT) && + (value = USB_PORT_FEAT_RESET)) { + dbg_stub_rx("reset_device_cmd, port %u\n", index); + return 1; + } else + return 0; +} + +static int tweak_clear_halt_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + int target_endp; + int target_dir; + int target_pipe; + int ret; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + + /* + * The stalled endpoint is specified in the wIndex value. The endpoint + * of the urb is the target of this clear_halt request (i.e., control + * endpoint). + */ + target_endp = le16_to_cpu(req->wIndex) & 0x000f; + + /* the stalled endpoint direction is IN or OUT?. USB_DIR_IN is 0x80. */ + target_dir = le16_to_cpu(req->wIndex) & 0x0080; + + if (target_dir) + target_pipe = usb_rcvctrlpipe(urb->dev, target_endp); + else + target_pipe = usb_sndctrlpipe(urb->dev, target_endp); + + ret = usb_clear_halt(urb->dev, target_pipe); + if (ret < 0) + uinfo("clear_halt error: devnum %d endp %d, %d\n", + urb->dev->devnum, target_endp, ret); + else + uinfo("clear_halt done: devnum %d endp %d\n", + urb->dev->devnum, target_endp); + + return ret; +} + +static int tweak_set_interface_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + __u16 alternate; + __u16 interface; + int ret; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + alternate = le16_to_cpu(req->wValue); + interface = le16_to_cpu(req->wIndex); + + dbg_stub_rx("set_interface: inf %u alt %u\n", interface, alternate); + + ret = usb_set_interface(urb->dev, interface, alternate); + if (ret < 0) + uinfo("set_interface error: inf %u alt %u, %d\n", + interface, alternate, ret); + else + uinfo("set_interface done: inf %u alt %u\n", + interface, + alternate); + + return ret; +} + +static int tweak_set_configuration_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + __u16 config; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + config = le16_to_cpu(req->wValue); + + /* + * I have never seen a multi-config device. Very rare. + * For most devices, this will be called to choose a default + * configuration only once in an initialization phase. + * + * set_configuration may change a device configuration and its device + * drivers will be unbound and assigned for a new device configuration. + * This means this usbip driver will be also unbound when called, then + * eventually reassigned to the device as far as driver matching + * condition is kept. + * + * Unfortunatelly, an existing usbip connection will be dropped + * due to this driver unbinding. So, skip here. + * A user may need to set a special configuration value before + * exporting the device. + */ + uinfo("set_configuration (%d) to %s\n", config, urb->dev->dev.bus_id); + uinfo("but, skip!\n"); + + return 0; + /* return usb_driver_set_configuration(urb->dev, config); */ +} + +static int tweak_reset_device_cmd(struct urb *urb) +{ + struct usb_ctrlrequest *req; + __u16 value; + __u16 index; + int ret; + + req = (struct usb_ctrlrequest *) urb->setup_packet; + value = le16_to_cpu(req->wValue); + index = le16_to_cpu(req->wIndex); + + uinfo("reset_device (port %d) to %s\n", index, urb->dev->dev.bus_id); + + /* all interfaces should be owned by usbip driver, so just reset it. */ + ret = usb_lock_device_for_reset(urb->dev, NULL); + if (ret < 0) { + dev_err(&urb->dev->dev, "lock for reset\n"); + return ret; + } + + /* try to reset the device */ + ret = usb_reset_device(urb->dev); + if (ret < 0) + dev_err(&urb->dev->dev, "device reset\n"); + + usb_unlock_device(urb->dev); + + return ret; +} + +/* + * clear_halt, set_interface, and set_configuration require special tricks. + */ +static void tweak_special_requests(struct urb *urb) +{ + if (!urb || !urb->setup_packet) + return; + + if (usb_pipetype(urb->pipe) != PIPE_CONTROL) + return; + + if (is_clear_halt_cmd(urb)) + /* tweak clear_halt */ + tweak_clear_halt_cmd(urb); + + else if (is_set_interface_cmd(urb)) + /* tweak set_interface */ + tweak_set_interface_cmd(urb); + + else if (is_set_configuration_cmd(urb)) + /* tweak set_configuration */ + tweak_set_configuration_cmd(urb); + + else if (is_reset_device_cmd(urb)) + tweak_reset_device_cmd(urb); + else + dbg_stub_rx("no need to tweak\n"); +} + +/* + * stub_recv_unlink() unlinks the URB by a call to usb_unlink_urb(). + * By unlinking the urb asynchronously, stub_rx can continuously + * process coming urbs. Even if the urb is unlinked, its completion + * handler will be called and stub_tx will send a return pdu. + * + * See also comments about unlinking strategy in vhci_hcd.c. + */ +static int stub_recv_cmd_unlink(struct stub_device *sdev, + struct usbip_header *pdu) +{ + struct list_head *listhead = &sdev->priv_init; + struct list_head *ptr; + unsigned long flags; + + struct stub_priv *priv; + + + spin_lock_irqsave(&sdev->priv_lock, flags); + + for (ptr = listhead->next; ptr != listhead; ptr = ptr->next) { + priv = list_entry(ptr, struct stub_priv, list); + if (priv->seqnum == pdu->u.cmd_unlink.seqnum) { + int ret; + + dev_info(&priv->urb->dev->dev, "unlink urb %p\n", + priv->urb); + + /* + * This matched urb is not completed yet (i.e., be in + * flight in usb hcd hardware/driver). Now we are + * cancelling it. The unlinking flag means that we are + * now not going to return the normal result pdu of a + * submission request, but going to return a result pdu + * of the unlink request. + */ + priv->unlinking = 1; + + /* + * In the case that unlinking flag is on, prev->seqnum + * is changed from the seqnum of the cancelling urb to + * the seqnum of the unlink request. This will be used + * to make the result pdu of the unlink request. + */ + priv->seqnum = pdu->base.seqnum; + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + /* + * usb_unlink_urb() is now out of spinlocking to avoid + * spinlock recursion since stub_complete() is + * sometimes called in this context but not in the + * interrupt context. If stub_complete() is executed + * before we call usb_unlink_urb(), usb_unlink_urb() + * will return an error value. In this case, stub_tx + * will return the result pdu of this unlink request + * though submission is completed and actual unlinking + * is not executed. OK? + */ + /* In the above case, urb->status is not -ECONNRESET, + * so a driver in a client host will know the failure + * of the unlink request ? + */ + ret = usb_unlink_urb(priv->urb); + if (ret != -EINPROGRESS) + dev_err(&priv->urb->dev->dev, + "failed to unlink a urb %p, ret %d\n", + priv->urb, ret); + return 0; + } + } + + dbg_stub_rx("seqnum %d is not pending\n", pdu->u.cmd_unlink.seqnum); + + /* + * The urb of the unlink target is not found in priv_init queue. It was + * already completed and its results is/was going to be sent by a + * CMD_RET pdu. In this case, usb_unlink_urb() is not needed. We only + * return the completeness of this unlink request to vhci_hcd. + */ + stub_enqueue_ret_unlink(sdev, pdu->base.seqnum, 0); + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + + return 0; +} + +static int valid_request(struct stub_device *sdev, struct usbip_header *pdu) +{ + struct usbip_device *ud = &sdev->ud; + + if (pdu->base.devid == sdev->devid) { + spin_lock(&ud->lock); + if (ud->status == SDEV_ST_USED) { + /* A request is valid. */ + spin_unlock(&ud->lock); + return 1; + } + spin_unlock(&ud->lock); + } + + return 0; +} + +static struct stub_priv *stub_priv_alloc(struct stub_device *sdev, + struct usbip_header *pdu) +{ + struct stub_priv *priv; + struct usbip_device *ud = &sdev->ud; + unsigned long flags; + + spin_lock_irqsave(&sdev->priv_lock, flags); + + priv = kmem_cache_alloc(stub_priv_cache, GFP_ATOMIC); + if (!priv) { + dev_err(&sdev->interface->dev, "alloc stub_priv\n"); + spin_unlock_irqrestore(&sdev->priv_lock, flags); + usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); + return NULL; + } + + memset(priv, 0, sizeof(struct stub_priv)); + + priv->seqnum = pdu->base.seqnum; + priv->sdev = sdev; + + /* + * After a stub_priv is linked to a list_head, + * our error handler can free allocated data. + */ + list_add_tail(&priv->list, &sdev->priv_init); + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + return priv; +} + + +static struct usb_host_endpoint *get_ep_from_epnum(struct usb_device *udev, + int epnum0) +{ + struct usb_host_config *config; + int i = 0, j = 0; + struct usb_host_endpoint *ep = NULL; + int epnum; + int found = 0; + + if (epnum0 == 0) + return &udev->ep0; + + config = udev->actconfig; + if (!config) + return NULL; + + for (i = 0; i < config->desc.bNumInterfaces; i++) { + struct usb_host_interface *setting; + + setting = config->interface[i]->cur_altsetting; + + for (j = 0; j < setting->desc.bNumEndpoints; j++) { + ep = &setting->endpoint[j]; + epnum = (ep->desc.bEndpointAddress & 0x7f); + + if (epnum == epnum0) { + /* uinfo("found epnum %d\n", epnum0); */ + found = 1; + break; + } + } + } + + if (found) + return ep; + else + return NULL; +} + + +static int get_pipe(struct stub_device *sdev, int epnum, int dir) +{ + struct usb_device *udev = interface_to_usbdev(sdev->interface); + struct usb_host_endpoint *ep; + struct usb_endpoint_descriptor *epd = NULL; + + ep = get_ep_from_epnum(udev, epnum); + if (!ep) { + dev_err(&sdev->interface->dev, "no such endpoint?, %d\n", + epnum); + BUG(); + } + + epd = &ep->desc; + + +#if 0 + /* epnum 0 is always control */ + if (epnum == 0) { + if (dir == USBIP_DIR_OUT) + return usb_sndctrlpipe(udev, 0); + else + return usb_rcvctrlpipe(udev, 0); + } +#endif + + if (usb_endpoint_xfer_control(epd)) { + if (dir == USBIP_DIR_OUT) + return usb_sndctrlpipe(udev, epnum); + else + return usb_rcvctrlpipe(udev, epnum); + } + + if (usb_endpoint_xfer_bulk(epd)) { + if (dir == USBIP_DIR_OUT) + return usb_sndbulkpipe(udev, epnum); + else + return usb_rcvbulkpipe(udev, epnum); + } + + if (usb_endpoint_xfer_int(epd)) { + if (dir == USBIP_DIR_OUT) + return usb_sndintpipe(udev, epnum); + else + return usb_rcvintpipe(udev, epnum); + } + + if (usb_endpoint_xfer_isoc(epd)) { + if (dir == USBIP_DIR_OUT) + return usb_sndisocpipe(udev, epnum); + else + return usb_rcvisocpipe(udev, epnum); + } + + /* NOT REACHED */ + dev_err(&sdev->interface->dev, "get pipe, epnum %d\n", epnum); + return 0; +} + +static void stub_recv_cmd_submit(struct stub_device *sdev, + struct usbip_header *pdu) +{ + int ret; + struct stub_priv *priv; + struct usbip_device *ud = &sdev->ud; + struct usb_device *udev = interface_to_usbdev(sdev->interface); + int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction); + + + priv = stub_priv_alloc(sdev, pdu); + if (!priv) + return; + + /* setup a urb */ + if (usb_pipeisoc(pipe)) + priv->urb = usb_alloc_urb(pdu->u.cmd_submit.number_of_packets, + GFP_KERNEL); + else + priv->urb = usb_alloc_urb(0, GFP_KERNEL); + + if (!priv->urb) { + dev_err(&sdev->interface->dev, "malloc urb\n"); + usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); + return; + } + + /* set priv->urb->transfer_buffer */ + if (pdu->u.cmd_submit.transfer_buffer_length > 0) { + priv->urb->transfer_buffer = + kzalloc(pdu->u.cmd_submit.transfer_buffer_length, + GFP_KERNEL); + if (!priv->urb->transfer_buffer) { + dev_err(&sdev->interface->dev, "malloc x_buff\n"); + usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); + return; + } + } + + /* set priv->urb->setup_packet */ + priv->urb->setup_packet = kzalloc(8, GFP_KERNEL); + if (!priv->urb->setup_packet) { + dev_err(&sdev->interface->dev, "allocate setup_packet\n"); + usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC); + return; + } + memcpy(priv->urb->setup_packet, &pdu->u.cmd_submit.setup, 8); + + /* set other members from the base header of pdu */ + priv->urb->context = (void *) priv; + priv->urb->dev = udev; + priv->urb->pipe = pipe; + priv->urb->complete = stub_complete; + + usbip_pack_pdu(pdu, priv->urb, USBIP_CMD_SUBMIT, 0); + + + if (usbip_recv_xbuff(ud, priv->urb) < 0) + return; + + if (usbip_recv_iso(ud, priv->urb) < 0) + return; + + /* no need to submit an intercepted request, but harmless? */ + tweak_special_requests(priv->urb); + + /* urb is now ready to submit */ + ret = usb_submit_urb(priv->urb, GFP_KERNEL); + + if (ret == 0) + dbg_stub_rx("submit urb ok, seqnum %u\n", pdu->base.seqnum); + else { + dev_err(&sdev->interface->dev, "submit_urb error, %d\n", ret); + usbip_dump_header(pdu); + usbip_dump_urb(priv->urb); + + /* + * Pessimistic. + * This connection will be discarded. + */ + usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT); + } + + dbg_stub_rx("Leave\n"); + return; +} + +/* recv a pdu */ +static void stub_rx_pdu(struct usbip_device *ud) +{ + int ret; + struct usbip_header pdu; + struct stub_device *sdev = container_of(ud, struct stub_device, ud); + struct device *dev = &sdev->interface->dev; + + dbg_stub_rx("Enter\n"); + + memset(&pdu, 0, sizeof(pdu)); + + /* 1. receive a pdu header */ + ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0); + if (ret != sizeof(pdu)) { + dev_err(dev, "recv a header, %d\n", ret); + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return; + } + + usbip_header_correct_endian(&pdu, 0); + + if (dbg_flag_stub_rx) + usbip_dump_header(&pdu); + + if (!valid_request(sdev, &pdu)) { + dev_err(dev, "recv invalid request\n"); + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return; + } + + switch (pdu.base.command) { + case USBIP_CMD_UNLINK: + stub_recv_cmd_unlink(sdev, &pdu); + break; + + case USBIP_CMD_SUBMIT: + stub_recv_cmd_submit(sdev, &pdu); + break; + + default: + /* NOTREACHED */ + dev_err(dev, "unknown pdu\n"); + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return; + } + +} + +void stub_rx_loop(struct usbip_task *ut) +{ + struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_rx); + + while (1) { + if (signal_pending(current)) { + dbg_stub_rx("signal caught!\n"); + break; + } + + if (usbip_event_happend(ud)) + break; + + stub_rx_pdu(ud); + } +} diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/staging/usbip/stub_tx.c new file mode 100644 index 000000000000..d5563cd980be --- /dev/null +++ b/drivers/staging/usbip/stub_tx.c @@ -0,0 +1,371 @@ +/* + * Copyright (C) 2003-2008 Takahiro Hirofuchi + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "usbip_common.h" +#include "stub.h" + + +static void stub_free_priv_and_urb(struct stub_priv *priv) +{ + struct urb *urb = priv->urb; + + kfree(urb->setup_packet); + kfree(urb->transfer_buffer); + list_del(&priv->list); + kmem_cache_free(stub_priv_cache, priv); + usb_free_urb(urb); +} + +/* be in spin_lock_irqsave(&sdev->priv_lock, flags) */ +void stub_enqueue_ret_unlink(struct stub_device *sdev, __u32 seqnum, + __u32 status) +{ + struct stub_unlink *unlink; + + unlink = kzalloc(sizeof(struct stub_unlink), GFP_ATOMIC); + if (!unlink) { + dev_err(&sdev->interface->dev, "alloc stub_unlink\n"); + usbip_event_add(&sdev->ud, VDEV_EVENT_ERROR_MALLOC); + return; + } + + unlink->seqnum = seqnum; + unlink->status = status; + + list_add_tail(&unlink->list, &sdev->unlink_tx); +} + +/** + * stub_complete - completion handler of a usbip urb + * @urb: pointer to the urb completed + * @regs: + * + * When a urb has completed, the USB core driver calls this function mostly in + * the interrupt context. To return the result of a urb, the completed urb is + * linked to the pending list of returning. + * + */ +void stub_complete(struct urb *urb) +{ + struct stub_priv *priv = (struct stub_priv *) urb->context; + struct stub_device *sdev = priv->sdev; + unsigned long flags; + + dbg_stub_tx("complete! status %d\n", urb->status); + + + switch (urb->status) { + case 0: + /* OK */ + break; + case -ENOENT: + uinfo("stopped by a call of usb_kill_urb() because of" + "cleaning up a virtual connection\n"); + return; + case -ECONNRESET: + uinfo("unlinked by a call of usb_unlink_urb()\n"); + break; + case -EPIPE: + uinfo("endpoint %d is stalled\n", usb_pipeendpoint(urb->pipe)); + break; + case -ESHUTDOWN: + uinfo("device removed?\n"); + break; + default: + uinfo("urb completion with non-zero status %d\n", urb->status); + } + + /* link a urb to the queue of tx. */ + spin_lock_irqsave(&sdev->priv_lock, flags); + + if (priv->unlinking) { + stub_enqueue_ret_unlink(sdev, priv->seqnum, urb->status); + stub_free_priv_and_urb(priv); + } else + list_move_tail(&priv->list, &sdev->priv_tx); + + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + /* wake up tx_thread */ + wake_up(&sdev->tx_waitq); +} + + +/*-------------------------------------------------------------------------*/ +/* fill PDU */ + +static inline void setup_base_pdu(struct usbip_header_basic *base, + __u32 command, __u32 seqnum) +{ + base->command = command; + base->seqnum = seqnum; + base->devid = 0; + base->ep = 0; + base->direction = 0; +} + +static void setup_ret_submit_pdu(struct usbip_header *rpdu, struct urb *urb) +{ + struct stub_priv *priv = (struct stub_priv *) urb->context; + + setup_base_pdu(&rpdu->base, USBIP_RET_SUBMIT, priv->seqnum); + + usbip_pack_pdu(rpdu, urb, USBIP_RET_SUBMIT, 1); +} + +static void setup_ret_unlink_pdu(struct usbip_header *rpdu, + struct stub_unlink *unlink) +{ + setup_base_pdu(&rpdu->base, USBIP_RET_UNLINK, unlink->seqnum); + + rpdu->u.ret_unlink.status = unlink->status; +} + + +/*-------------------------------------------------------------------------*/ +/* send RET_SUBMIT */ + +static struct stub_priv *dequeue_from_priv_tx(struct stub_device *sdev) +{ + unsigned long flags; + struct stub_priv *priv, *tmp; + + spin_lock_irqsave(&sdev->priv_lock, flags); + + list_for_each_entry_safe(priv, tmp, &sdev->priv_tx, list) { + list_move_tail(&priv->list, &sdev->priv_free); + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return priv; + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + return NULL; +} + +static int stub_send_ret_submit(struct stub_device *sdev) +{ + unsigned long flags; + struct stub_priv *priv, *tmp; + + struct msghdr msg; + struct kvec iov[3]; + size_t txsize; + + size_t total_size = 0; + + while ((priv = dequeue_from_priv_tx(sdev)) != NULL) { + int ret; + struct urb *urb = priv->urb; + struct usbip_header pdu_header; + void *iso_buffer = NULL; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + memset(&iov, 0, sizeof(iov)); + + dbg_stub_tx("setup txdata urb %p\n", urb); + + + /* 1. setup usbip_header */ + setup_ret_submit_pdu(&pdu_header, urb); + usbip_header_correct_endian(&pdu_header, 1); + + iov[0].iov_base = &pdu_header; + iov[0].iov_len = sizeof(pdu_header); + txsize += sizeof(pdu_header); + + /* 2. setup transfer buffer */ + if (usb_pipein(urb->pipe) && urb->actual_length > 0) { + iov[1].iov_base = urb->transfer_buffer; + iov[1].iov_len = urb->actual_length; + txsize += urb->actual_length; + } + + /* 3. setup iso_packet_descriptor */ + if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { + ssize_t len = 0; + + iso_buffer = usbip_alloc_iso_desc_pdu(urb, &len); + if (!iso_buffer) { + usbip_event_add(&sdev->ud, + SDEV_EVENT_ERROR_MALLOC); + return -1; + } + + iov[2].iov_base = iso_buffer; + iov[2].iov_len = len; + txsize += len; + } + + ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov, + 3, txsize); + if (ret != txsize) { + dev_err(&sdev->interface->dev, + "sendmsg failed!, retval %d for %zd\n", + ret, txsize); + kfree(iso_buffer); + usbip_event_add(&sdev->ud, SDEV_EVENT_ERROR_TCP); + return -1; + } + + kfree(iso_buffer); + dbg_stub_tx("send txdata\n"); + + total_size += txsize; + } + + + spin_lock_irqsave(&sdev->priv_lock, flags); + + list_for_each_entry_safe(priv, tmp, &sdev->priv_free, list) { + stub_free_priv_and_urb(priv); + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + return total_size; +} + + +/*-------------------------------------------------------------------------*/ +/* send RET_UNLINK */ + +static struct stub_unlink *dequeue_from_unlink_tx(struct stub_device *sdev) +{ + unsigned long flags; + struct stub_unlink *unlink, *tmp; + + spin_lock_irqsave(&sdev->priv_lock, flags); + + list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) { + list_move_tail(&unlink->list, &sdev->unlink_free); + spin_unlock_irqrestore(&sdev->priv_lock, flags); + return unlink; + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + return NULL; +} + + +static int stub_send_ret_unlink(struct stub_device *sdev) +{ + unsigned long flags; + struct stub_unlink *unlink, *tmp; + + struct msghdr msg; + struct kvec iov[1]; + size_t txsize; + + size_t total_size = 0; + + while ((unlink = dequeue_from_unlink_tx(sdev)) != NULL) { + int ret; + struct usbip_header pdu_header; + + txsize = 0; + memset(&pdu_header, 0, sizeof(pdu_header)); + memset(&msg, 0, sizeof(msg)); + memset(&iov, 0, sizeof(iov)); + + dbg_stub_tx("setup ret unlink %lu\n", unlink->seqnum); + + /* 1. setup usbip_header */ + setup_ret_unlink_pdu(&pdu_header, unlink); + usbip_header_correct_endian(&pdu_header, 1); + + iov[0].iov_base = &pdu_header; + iov[0].iov_len = sizeof(pdu_header); + txsize += sizeof(pdu_header); + + ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov, + 1, txsize); + if (ret != txsize) { + dev_err(&sdev->interface->dev, + "sendmsg failed!, retval %d for %zd\n", + ret, txsize); + usbip_event_add(&sdev->ud, SDEV_EVENT_ERROR_TCP); + return -1; + } + + + dbg_stub_tx("send txdata\n"); + + total_size += txsize; + } + + + spin_lock_irqsave(&sdev->priv_lock, flags); + + list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free, list) { + list_del(&unlink->list); + kfree(unlink); + } + + spin_unlock_irqrestore(&sdev->priv_lock, flags); + + return total_size; +} + + +/*-------------------------------------------------------------------------*/ + +void stub_tx_loop(struct usbip_task *ut) +{ + struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_tx); + struct stub_device *sdev = container_of(ud, struct stub_device, ud); + + while (1) { + if (signal_pending(current)) { + dbg_stub_tx("signal catched\n"); + break; + } + + if (usbip_event_happend(ud)) + break; + + /* + * send_ret_submit comes earlier than send_ret_unlink. stub_rx + * looks at only priv_init queue. If the completion of a URB is + * earlier than the receive of CMD_UNLINK, priv is moved to + * priv_tx queue and stub_rx does not find the target priv. In + * this case, vhci_rx receives the result of the submit request + * and then receives the result of the unlink request. The + * result of the submit is given back to the usbcore as the + * completion of the unlink request. The request of the + * unlink is ignored. This is ok because a driver who calls + * usb_unlink_urb() understands the unlink was too late by + * getting the status of the given-backed URB which has the + * status of usb_submit_urb(). + */ + if (stub_send_ret_submit(sdev) < 0) + break; + + if (stub_send_ret_unlink(sdev) < 0) + break; + + wait_event_interruptible(sdev->tx_waitq, + (!list_empty(&sdev->priv_tx) || + !list_empty(&sdev->unlink_tx))); + } +} -- GitLab From 66101de10957e07a6fd0365d5af9adf650246d14 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Wed, 1 Oct 2008 14:36:56 +0200 Subject: [PATCH 3639/6244] Staging: add w35und wifi driver This is driver for w35und usb wifi -- also in kohjinsha subnotebook. It should work well enough to associate and ping, but it obviously needs to be rewritten two more times... OTOH worst horrors (like embedded wifi stack) should have been fixed already... Signed-off-by: Pavel Machek Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/winbond/Kconfig | 7 + drivers/staging/winbond/Makefile | 18 + drivers/staging/winbond/README | 10 + drivers/staging/winbond/adapter.h | 23 + drivers/staging/winbond/bss_f.h | 59 + drivers/staging/winbond/bssdscpt.h | 156 ++ drivers/staging/winbond/ds_tkip.h | 33 + drivers/staging/winbond/gl_80211.h | 125 + drivers/staging/winbond/ioctls.h | 678 ++++++ drivers/staging/winbond/linux/common.h | 143 ++ drivers/staging/winbond/linux/sysdef.h | 73 + drivers/staging/winbond/linux/wb35reg.c | 747 ++++++ drivers/staging/winbond/linux/wb35reg_f.h | 56 + drivers/staging/winbond/linux/wb35reg_s.h | 170 ++ drivers/staging/winbond/linux/wb35rx.c | 337 +++ drivers/staging/winbond/linux/wb35rx_f.h | 17 + drivers/staging/winbond/linux/wb35rx_s.h | 48 + drivers/staging/winbond/linux/wb35tx.c | 313 +++ drivers/staging/winbond/linux/wb35tx_f.h | 20 + drivers/staging/winbond/linux/wb35tx_s.h | 47 + drivers/staging/winbond/linux/wbusb.c | 404 ++++ drivers/staging/winbond/linux/wbusb_f.h | 34 + drivers/staging/winbond/linux/wbusb_s.h | 42 + drivers/staging/winbond/localpara.h | 275 +++ drivers/staging/winbond/mac_structures.h | 670 +++++ drivers/staging/winbond/mds.c | 630 +++++ drivers/staging/winbond/mds_f.h | 33 + drivers/staging/winbond/mds_s.h | 183 ++ drivers/staging/winbond/mlme_mib.h | 84 + drivers/staging/winbond/mlme_s.h | 195 ++ drivers/staging/winbond/mlmetxrx.c | 150 ++ drivers/staging/winbond/mlmetxrx_f.h | 52 + drivers/staging/winbond/mto.c | 1229 ++++++++++ drivers/staging/winbond/mto.h | 265 ++ drivers/staging/winbond/mto_f.h | 7 + drivers/staging/winbond/os_common.h | 2 + drivers/staging/winbond/phy_calibration.c | 1759 ++++++++++++++ drivers/staging/winbond/phy_calibration.h | 101 + drivers/staging/winbond/reg.c | 2683 +++++++++++++++++++++ drivers/staging/winbond/rxisr.c | 30 + drivers/staging/winbond/scan_s.h | 115 + drivers/staging/winbond/sme_api.c | 13 + drivers/staging/winbond/sme_api.h | 265 ++ drivers/staging/winbond/sme_s.h | 228 ++ drivers/staging/winbond/wb35_ver.h | 30 + drivers/staging/winbond/wbhal.c | 878 +++++++ drivers/staging/winbond/wbhal_f.h | 122 + drivers/staging/winbond/wbhal_s.h | 615 +++++ drivers/staging/winbond/wblinux.c | 277 +++ drivers/staging/winbond/wblinux_f.h | 23 + drivers/staging/winbond/wblinux_s.h | 45 + 53 files changed, 14522 insertions(+) create mode 100644 drivers/staging/winbond/Kconfig create mode 100644 drivers/staging/winbond/Makefile create mode 100644 drivers/staging/winbond/README create mode 100644 drivers/staging/winbond/adapter.h create mode 100644 drivers/staging/winbond/bss_f.h create mode 100644 drivers/staging/winbond/bssdscpt.h create mode 100644 drivers/staging/winbond/ds_tkip.h create mode 100644 drivers/staging/winbond/gl_80211.h create mode 100644 drivers/staging/winbond/ioctls.h create mode 100644 drivers/staging/winbond/linux/common.h create mode 100644 drivers/staging/winbond/linux/sysdef.h create mode 100644 drivers/staging/winbond/linux/wb35reg.c create mode 100644 drivers/staging/winbond/linux/wb35reg_f.h create mode 100644 drivers/staging/winbond/linux/wb35reg_s.h create mode 100644 drivers/staging/winbond/linux/wb35rx.c create mode 100644 drivers/staging/winbond/linux/wb35rx_f.h create mode 100644 drivers/staging/winbond/linux/wb35rx_s.h create mode 100644 drivers/staging/winbond/linux/wb35tx.c create mode 100644 drivers/staging/winbond/linux/wb35tx_f.h create mode 100644 drivers/staging/winbond/linux/wb35tx_s.h create mode 100644 drivers/staging/winbond/linux/wbusb.c create mode 100644 drivers/staging/winbond/linux/wbusb_f.h create mode 100644 drivers/staging/winbond/linux/wbusb_s.h create mode 100644 drivers/staging/winbond/localpara.h create mode 100644 drivers/staging/winbond/mac_structures.h create mode 100644 drivers/staging/winbond/mds.c create mode 100644 drivers/staging/winbond/mds_f.h create mode 100644 drivers/staging/winbond/mds_s.h create mode 100644 drivers/staging/winbond/mlme_mib.h create mode 100644 drivers/staging/winbond/mlme_s.h create mode 100644 drivers/staging/winbond/mlmetxrx.c create mode 100644 drivers/staging/winbond/mlmetxrx_f.h create mode 100644 drivers/staging/winbond/mto.c create mode 100644 drivers/staging/winbond/mto.h create mode 100644 drivers/staging/winbond/mto_f.h create mode 100644 drivers/staging/winbond/os_common.h create mode 100644 drivers/staging/winbond/phy_calibration.c create mode 100644 drivers/staging/winbond/phy_calibration.h create mode 100644 drivers/staging/winbond/reg.c create mode 100644 drivers/staging/winbond/rxisr.c create mode 100644 drivers/staging/winbond/scan_s.h create mode 100644 drivers/staging/winbond/sme_api.c create mode 100644 drivers/staging/winbond/sme_api.h create mode 100644 drivers/staging/winbond/sme_s.h create mode 100644 drivers/staging/winbond/wb35_ver.h create mode 100644 drivers/staging/winbond/wbhal.c create mode 100644 drivers/staging/winbond/wbhal_f.h create mode 100644 drivers/staging/winbond/wbhal_s.h create mode 100644 drivers/staging/winbond/wblinux.c create mode 100644 drivers/staging/winbond/wblinux_f.h create mode 100644 drivers/staging/winbond/wblinux_s.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 4dbf795df744..fdbdf84e3077 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -35,4 +35,6 @@ source "drivers/staging/go7007/Kconfig" source "drivers/staging/usbip/Kconfig" +source "drivers/staging/winbond/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index be42c0d4db0e..9b576c91b15e 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_SXG) += sxg/ obj-$(CONFIG_ME4000) += me4000/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_USB_IP_COMMON) += usbip/ +obj-$(CONFIG_W35UND) += winbond/ diff --git a/drivers/staging/winbond/Kconfig b/drivers/staging/winbond/Kconfig new file mode 100644 index 000000000000..10d72bec88a9 --- /dev/null +++ b/drivers/staging/winbond/Kconfig @@ -0,0 +1,7 @@ +config W35UND + tristate "Winbond driver" + depends on MAC80211 && WLAN_80211 && EXPERIMENTAL && !4KSTACKS + default n + ---help--- + This is highly experimental driver for winbond wifi card on some Kohjinsha notebooks + Check http://code.google.com/p/winbondport/ for new version diff --git a/drivers/staging/winbond/Makefile b/drivers/staging/winbond/Makefile new file mode 100644 index 000000000000..29c98bf1bc98 --- /dev/null +++ b/drivers/staging/winbond/Makefile @@ -0,0 +1,18 @@ + DRIVER_DIR=./linux + +w35und-objs := $(DRIVER_DIR)/wbusb.o $(DRIVER_DIR)/wb35reg.o $(DRIVER_DIR)/wb35rx.o $(DRIVER_DIR)/wb35tx.o \ + mds.o \ + mlmetxrx.o \ + mto.o \ + phy_calibration.o \ + reg.o \ + rxisr.o \ + sme_api.o \ + wbhal.o \ + wblinux.o \ + + +obj-$(CONFIG_W35UND) += w35und.o + + + diff --git a/drivers/staging/winbond/README b/drivers/staging/winbond/README new file mode 100644 index 000000000000..707b6b354dc5 --- /dev/null +++ b/drivers/staging/winbond/README @@ -0,0 +1,10 @@ +TODO: + - sparse cleanups + - checkpatch cleanups + - kerneldoc cleanups + - remove typedefs + - remove unused ioctls + - use cfg80211 for regulatory stuff + +Please send patches to Greg Kroah-Hartman and +Pavel Machek diff --git a/drivers/staging/winbond/adapter.h b/drivers/staging/winbond/adapter.h new file mode 100644 index 000000000000..609701d21cf0 --- /dev/null +++ b/drivers/staging/winbond/adapter.h @@ -0,0 +1,23 @@ +// +// ADAPTER.H - +// Windows NDIS global variable 'Adapter' typedef +// +#define MAX_ANSI_STRING 40 +typedef struct WB32_ADAPTER +{ + u32 AdapterIndex; // 20060703.4 Add for using pAdapterContext global Adapter point + + WB_LOCALDESCRIPT sLocalPara; // Myself connected parameters + PWB_BSSDESCRIPTION asBSSDescriptElement; + + MLME_FRAME sMlmeFrame; // connect to peerSTA parameters + + MTO_PARAMETERS sMtoPara; // MTO_struct ... + hw_data_t sHwData; //For HAL + MDS Mds; + + WBLINUX WbLinux; + struct iw_statistics iw_stats; + + u8 LinkName[MAX_ANSI_STRING]; +} WB32_ADAPTER, ADAPTER, *PWB32_ADAPTER, *PADAPTER; diff --git a/drivers/staging/winbond/bss_f.h b/drivers/staging/winbond/bss_f.h new file mode 100644 index 000000000000..c957bc94f08d --- /dev/null +++ b/drivers/staging/winbond/bss_f.h @@ -0,0 +1,59 @@ +// +// BSS descriptor DataBase management global function +// + +void vBSSdescriptionInit(PWB32_ADAPTER Adapter); +void vBSSfoundList(PWB32_ADAPTER Adapter); +u8 boChanFilter(PWB32_ADAPTER Adapter, u8 ChanNo); +u16 wBSSallocateEntry(PWB32_ADAPTER Adapter); +u16 wBSSGetEntry(PWB32_ADAPTER Adapter); +void vSimpleHouseKeeping(PWB32_ADAPTER Adapter); +u16 wBSShouseKeeping(PWB32_ADAPTER Adapter); +void ClearBSSdescpt(PWB32_ADAPTER Adapter, u16 i); +u16 wBSSfindBssID(PWB32_ADAPTER Adapter, u8 *pbBssid); +u16 wBSSfindDedicateCandidate(PWB32_ADAPTER Adapter, struct SSID_Element *psSsid, u8 *pbBssid); +u16 wBSSfindMACaddr(PWB32_ADAPTER Adapter, u8 *pbMacAddr); +u16 wBSSsearchMACaddr(PWB32_ADAPTER Adapter, u8 *pbMacAddr, u8 band); +u16 wBSSaddScanData(PWB32_ADAPTER, u16, psRXDATA); +u16 wBSSUpdateScanData(PWB32_ADAPTER Adapter, u16 wBssIdx, psRXDATA psRcvData); +u16 wBSScreateIBSSdata(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData); +void DesiredRate2BSSdescriptor(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData, + u8 *pBasicRateSet, u8 BasicRateCount, + u8 *pOperationRateSet, u8 OperationRateCount); +void DesiredRate2InfoElement(PWB32_ADAPTER Adapter, u8 *addr, u16 *iFildOffset, + u8 *pBasicRateSet, u8 BasicRateCount, + u8 *pOperationRateSet, u8 OperationRateCount); +void BSSAddIBSSdata(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData); +unsigned char boCmpMacAddr( PUCHAR, PUCHAR ); +unsigned char boCmpSSID(struct SSID_Element *psSSID1, struct SSID_Element *psSSID2); +u16 wBSSfindSSID(PWB32_ADAPTER Adapter, struct SSID_Element *psSsid); +u16 wRoamingQuery(PWB32_ADAPTER Adapter); +void vRateToBitmap(PWB32_ADAPTER Adapter, u16 index); +u8 bRateToBitmapIndex(PWB32_ADAPTER Adapter, u8 bRate); +u8 bBitmapToRate(u8 i); +unsigned char boIsERPsta(PWB32_ADAPTER Adapter, u16 i); +unsigned char boCheckConnect(PWB32_ADAPTER Adapter); +unsigned char boCheckSignal(PWB32_ADAPTER Adapter); +void AddIBSSIe(PWB32_ADAPTER Adapter,PWB_BSSDESCRIPTION psDesData );//added by ws for WPA_None06/01/04 +void BssScanUpToDate(PWB32_ADAPTER Adapter); +void BssUpToDate(PWB32_ADAPTER Adapter); +void RateSort(u8 *RateArray, u8 num, u8 mode); +void RateReSortForSRate(PWB32_ADAPTER Adapter, u8 *RateArray, u8 num); +void Assemble_IE(PWB32_ADAPTER Adapter, u16 wBssIdx); +void SetMaxTxRate(PWB32_ADAPTER Adapter); + +void CreateWpaIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct Management_Frame* msgHeader, + struct Association_Request_Frame_Body* msgBody, u16 iMSindex); //added by WS 05/14/05 + +#ifdef _WPA2_ +void CreateRsnIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct Management_Frame* msgHeader, + struct Association_Request_Frame_Body* msgBody, u16 iMSindex);//added by WS 05/14/05 + +u16 SearchPmkid(PWB32_ADAPTER Adapter, struct Management_Frame* msgHeader, + struct PMKID_Information_Element * AssoReq_PMKID ); +#endif + + + + + diff --git a/drivers/staging/winbond/bssdscpt.h b/drivers/staging/winbond/bssdscpt.h new file mode 100644 index 000000000000..97150a2655fb --- /dev/null +++ b/drivers/staging/winbond/bssdscpt.h @@ -0,0 +1,156 @@ +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// bssdscpt.c +// BSS descriptor data base +// history : +// +// Description: +// BSS descriptor data base will store the information of the stations at the +// surrounding environment. The first entry( psBSS(0) ) will not be used and the +// second one( psBSS(1) ) will be used for the broadcast address. +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +//#define MAX_ACC_RSSI_COUNT 10 +#define MAX_ACC_RSSI_COUNT 6 + +/////////////////////////////////////////////////////////////////////////// +// +// BSS Description set Element , to store scan received Beacon information +// +// Our's differs slightly from the specs. The specify a PHY_Parameter_Set. +// Since we're only doing a DS design right now, we just have a DS structure. +////////////////////////////////////////////////////////////////////////////// +typedef struct BSSDescriptionElement +{ + u32 SlotValid; + u32 PowerSaveMode; + RXLAYER1 RxLayer1; + + u8 abPeerAddress[ MAC_ADDR_LENGTH + 2 ]; // peer MAC Address associated with this session. 6-OCTET value + u32 dwBgScanStamp; // BgScan Sequence Counter stamp, record psROAM->dwScanCounter. + + u16 Beacon_Period; + u16 wATIM_Window; + + u8 abBssID[ MAC_ADDR_LENGTH + 2 ]; // 6B + + u8 bBssType; + u8 DTIM_Period; // 1 octet usually from TIM element, if present + u8 boInTimerHandler; + u8 boERP; // analysis ERP or (extended) supported rate element + + u8 Timestamp[8]; + u8 BasicRate[32]; + u8 OperationalRate[32]; + u32 dwBasicRateBitmap; //bit map, retrieve from SupportedRateSet + u32 dwOperationalRateBitmap; //bit map, retrieve from SupportedRateSet and + // ExtendedSupportedRateSet + // For RSSI calculating + u32 HalRssi[MAX_ACC_RSSI_COUNT]; // Encode. It must use MACRO of HAL to get the LNA and AGC data + u32 HalRssiIndex; + + ////From beacon/probe response + struct SSID_Element SSID; // 34B + u8 reserved_1[ 2 ]; + + struct Capability_Information_Element CapabilityInformation; // 2B + u8 reserved_2[ 2 ]; + + struct CF_Parameter_Set_Element CF_Parameter_Set; // 8B + struct IBSS_Parameter_Set_Element IBSS_Parameter_Set; // 4B + struct TIM_Element TIM_Element_Set; // 256B + + struct DS_Parameter_Set_Element DS_Parameter_Set; // 3B + u8 reserved_3; + + struct ERP_Information_Element ERP_Information_Set; // 3B + u8 reserved_4; + + struct Supported_Rates_Element SupportedRateSet; // 10B + u8 reserved_5[2]; + + struct Extended_Supported_Rates_Element ExtendedSupportedRateSet; // 257B + u8 reserved_6[3]; + + u8 band; + u8 reserved_7[3]; + + // for MLME module + u16 wState; // the current state of the system + u16 wIndex; // THIS BSS element entry index + + void* psAdapter; // pointer to THIS Adapter + OS_TIMER nTimer; // MLME timer + + // Authentication + u16 wAuthAlgo; // peer MAC MLME use Auth algorithm, default OPEN_AUTH + u16 wAuthSeqNum; // current local MAC sendout AuthReq sequence number + + u8 auth_challengeText[128]; + + ////For XP: + u32 ies_len; // information element length + u8 ies[256]; // information element + + ////For WPA + u8 RsnIe_Type[2]; //added by ws for distinguish WPA and WPA2 05/14/04 + u8 RsnIe_len; + u8 Rsn_Num; + + // to record the rsn cipher suites,addded by ws 09/05/04 + SUITE_SELECTOR group_cipher; // 4B + SUITE_SELECTOR pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT]; + SUITE_SELECTOR auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT]; + + u16 pairwise_key_cipher_suite_count; + u16 auth_key_mgt_suite_count; + + u8 pairwise_key_cipher_suite_selected; + u8 auth_key_mgt_suite_selected; + u8 reserved_8[2]; + + struct RSN_Capability_Element rsn_capabilities; // 2B + u8 reserved_9[2]; + + //to record the rsn cipher suites for WPA2 + #ifdef _WPA2_ + u32 pre_auth; //added by WS for distinguish for 05/04/04 + SUITE_SELECTOR wpa2_group_cipher; // 4B + SUITE_SELECTOR wpa2_pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT]; + SUITE_SELECTOR wpa2_auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT]; + + u16 wpa2_pairwise_key_cipher_suite_count; + u16 wpa2_auth_key_mgt_suite_count; + + u8 wpa2_pairwise_key_cipher_suite_selected; + u8 wpa2_auth_key_mgt_suite_selected; + u8 reserved_10[2]; + + struct RSN_Capability_Element wpa2_rsn_capabilities; // 2B + u8 reserved_11[2]; + #endif //endif _WPA2_ + + //For Replay protection +// u8 PairwiseTSC[6]; +// u8 GroupTSC[6]; + + ////For up-to-date + u32 ScanTimeStamp; //for the decision whether the station/AP(may exist at + //different channels) has left. It must be detected by + //scanning. Local device may connected or disconnected. + u32 BssTimeStamp; //Only for the decision whether the station/AP(exist in + //the same channel, and no scanning) if local device has + //connected successfully. + + // 20061108 Add for storing WPS_IE. [E id][Length][OUI][Data] + u8 WPS_IE_Data[MAX_IE_APPEND_SIZE]; + u16 WPS_IE_length; + u16 WPS_IE_length_tmp; // For verify there is an WPS_IE in Beacon or probe response + +} WB_BSSDESCRIPTION, *PWB_BSSDESCRIPTION; + +#define wBSSConnectedSTA(Adapter) \ + ((u16)(Adapter)->sLocalPara.wConnectedSTAindex) + +#define psBSS(i) (&(Adapter->asBSSDescriptElement[(i)])) + + diff --git a/drivers/staging/winbond/ds_tkip.h b/drivers/staging/winbond/ds_tkip.h new file mode 100644 index 000000000000..29e5055b45a1 --- /dev/null +++ b/drivers/staging/winbond/ds_tkip.h @@ -0,0 +1,33 @@ +// Rotation functions on 32 bit values +#define ROL32( A, n ) \ + ( ((A) << (n)) | ( ((A)>>(32-(n))) & ( (1UL << (n)) - 1 ) ) ) + +#define ROR32( A, n ) ROL32( (A), 32-(n) ) + + +typedef struct tkip +{ + u32 K0, K1; // Key + union + { + struct // Current state + { + u32 L; + u32 R; + }; + u8 LR[8]; + }; + union + { + u32 M; // Message accumulator (single word) + u8 Mb[4]; + }; + s32 bytes_in_M; // # bytes in M +} tkip_t; + +//void _append_data( PUCHAR pData, u16 size, tkip_t *p ); +void Mds_MicGet( void* Adapter, void* pRxLayer1, PUCHAR pKey, PUCHAR pMic ); +void Mds_MicFill( void* Adapter, void* pDes, PUCHAR XmitBufAddress ); + + + diff --git a/drivers/staging/winbond/gl_80211.h b/drivers/staging/winbond/gl_80211.h new file mode 100644 index 000000000000..1806d817496e --- /dev/null +++ b/drivers/staging/winbond/gl_80211.h @@ -0,0 +1,125 @@ + +#ifndef __GL_80211_H__ +#define __GL_80211_H__ + +/****************** CONSTANT AND MACRO SECTION ******************************/ + +/* BSS Type */ +enum { + WLAN_BSSTYPE_INFRASTRUCTURE = 0, + WLAN_BSSTYPE_INDEPENDENT, + WLAN_BSSTYPE_ANY_BSS, +}; + + + +/* Preamble_Type, see */ +typedef enum preamble_type { + WLAN_PREAMBLE_TYPE_SHORT, + WLAN_PREAMBLE_TYPE_LONG, +} preamble_type_e; + + +/* Slot_Time_Type, see */ +typedef enum slot_time_type { + WLAN_SLOT_TIME_TYPE_LONG, + WLAN_SLOT_TIME_TYPE_SHORT, +} slot_time_type_e; + +/*--------------------------------------------------------------------------*/ +/* Encryption Mode */ +typedef enum { + WEP_DISABLE = 0, + WEP_64, + WEP_128, + + ENCRYPT_DISABLE, + ENCRYPT_WEP, + ENCRYPT_WEP_NOKEY, + ENCRYPT_TKIP, + ENCRYPT_TKIP_NOKEY, + ENCRYPT_CCMP, + ENCRYPT_CCMP_NOKEY, +} encryption_mode_e; + +typedef enum _WLAN_RADIO { + WLAN_RADIO_ON, + WLAN_RADIO_OFF, + WLAN_RADIO_MAX, // not a real type, defined as an upper bound +} WLAN_RADIO; + +typedef struct _WLAN_RADIO_STATUS { + WLAN_RADIO HWStatus; + WLAN_RADIO SWStatus; +} WLAN_RADIO_STATUS; + +//---------------------------------------------------------------------------- +// 20041021 1.1.81.1000 ybjiang +// add for radio notification +typedef +void (*RADIO_NOTIFICATION_HANDLER)( + void *Data, + void *RadioStatusBuffer, + u32 RadioStatusBufferLen + ); + +typedef struct _WLAN_RADIO_NOTIFICATION +{ + RADIO_NOTIFICATION_HANDLER RadioChangeHandler; + void *Data; +} WLAN_RADIO_NOTIFICATION; + +//---------------------------------------------------------------------------- +// 20041102 1.1.91.1000 ybjiang +// add for OID_802_11_CUST_REGION_CAPABILITIES and OID_802_11_OID_REGION +typedef enum _WLAN_REGION_CODE +{ + WLAN_REGION_UNKNOWN, + WLAN_REGION_EUROPE, + WLAN_REGION_JAPAN, + WLAN_REGION_USA, + WLAN_REGION_FRANCE, + WLAN_REGION_SPAIN, + WLAN_REGION_ISRAEL, + WLAN_REGION_MAX, // not a real type, defined as an upper bound +} WLAN_REGION_CODE; + +#define REGION_NAME_MAX_LENGTH 256 + +typedef struct _WLAN_REGION_CHANNELS +{ + u32 Length; + u32 NameLength; + u8 Name[REGION_NAME_MAX_LENGTH]; + WLAN_REGION_CODE Code; + u32 Frequency[1]; +} WLAN_REGION_CHANNELS; + +typedef struct _WLAN_REGION_CAPABILITIES +{ + u32 NumberOfItems; + WLAN_REGION_CHANNELS Region[1]; +} WLAN_REGION_CAPABILITIES; + +typedef struct _region_name_map { + WLAN_REGION_CODE region; + u8 *name; + u32 *channels; +} region_name_map; + +/*--------------------------------------------------------------------------*/ +#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5] +#define MACSTR "%02X:%02X:%02X:%02X:%02X:%02X" + +// TODO: 0627 kevin +#define MIC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5], (a)[6], (a)[7] +#define MICSTR "%02X %02X %02X %02X %02X %02X %02X %02X" + +#define MICKEY2STR(a) MIC2STR(a) +#define MICKEYSTR MICSTR + + +#endif /* __GL_80211_H__ */ +/*** end of file ***/ + + diff --git a/drivers/staging/winbond/ioctls.h b/drivers/staging/winbond/ioctls.h new file mode 100644 index 000000000000..e8b35dc7e321 --- /dev/null +++ b/drivers/staging/winbond/ioctls.h @@ -0,0 +1,678 @@ +//============================================================================ +// IOCTLS.H - +// +// Description: +// Define the IOCTL codes. +// +// Revision history: +// -------------------------------------------------------------------------- +// +// Copyright (c) 2002-2004 Winbond Electronics Corp. All rights reserved. +//============================================================================= + +#ifndef _IOCTLS_H +#define _IOCTLS_H + +// PD43 Keep it - Used with the Win33 application +// #include + +//======================================================== +// 20040108 ADD the follow for test +//======================================================== +#define INFORMATION_LENGTH sizeof(unsigned int) + +#define WB32_IOCTL_INDEX 0x0900 //­×§ÄĽHŤKŹŰŽe// + +#define Wb32_RegisterRead CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 0, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_RegisterWrite CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 1, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_SendPacket CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 2, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_QuerySendResult CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 3, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_SetFragmentThreshold CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 4, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_SetLinkStatus CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 5, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_SetBulkIn CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 6, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb32_LoopbackTest CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 7, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_EEPromRead CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 8, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_EEPromWrite CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 9, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_FlashReadData CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 10, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_FlashWrite CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 11, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_FlashWriteBurst CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 12, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_TxBurstStart CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 13, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_TxBurstStop CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 14, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define Wb35_TxBurstStatus CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB32_IOCTL_INDEX + 15, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// For IOCTL interface +//================================================ +#define LINKNAME_STRING "\\DosDevices\\W35UND" +#define NTDEVICE_STRING "\\Device\\W35UND" +#define APPLICATION_LINK "\\\\.\\W35UND" + +#define WB_IOCTL_INDEX 0x0800 +#define WB_IOCTL_TS_INDEX WB_IOCTL_INDEX + 60 +#define WB_IOCTL_DUT_INDEX WB_IOCTL_TS_INDEX + 40 + +//============================================================================= +// IOCTLS defined for DUT (Device Under Test) + +// IOCTL_WB_802_11_DUT_MAC_ADDRESS +// Query: Return the dot11StationID +// Set : Set the dot11StationID. Demo only. +// +#define IOCTL_WB_802_11_DUT_MAC_ADDRESS CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 1, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_BSS_DESCRIPTION +// Query: Return the info. of the current connected BSS. +// Set : None. +// +#define IOCTL_WB_802_11_DUT_BSS_DESCRIPTION CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 2, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_TX_RATE +// Query: Return the current transmission rate. +// Set : Set the transmission rate of the Tx packets. +// +#define IOCTL_WB_802_11_DUT_TX_RATE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 3, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_CURRENT_STA_STATE +// Query: Return the current STA state. (WB_STASTATE type) +// Set : None. +// +#define IOCTL_WB_802_11_DUT_CURRENT_STA_STATE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 4, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +/////////// 10/31/02' Added ///////////////////// + +// IOCTL_WB_802_11_DUT_START_IBSS_REQUEST +// Query: None. +// Set : Start a new IBSS +// +#define IOCTL_WB_802_11_DUT_START_IBSS_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 5, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_JOIN_REQUEST +// Query: None. +// Set : Synchronize with the selected BSS +// +#define IOCTL_WB_802_11_DUT_JOIN_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 6, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_AUTHEN_REQUEST +// Query: None. +// Set : Authenticate with the BSS +// +#define IOCTL_WB_802_11_DUT_AUTHEN_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 7, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_DEAUTHEN_REQUEST +// Query: None. +// Set : DeAuthenticate withe the BSS +// +#define IOCTL_WB_802_11_DUT_DEAUTHEN_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 8, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_ASSOC_REQUEST +// Query: None. +// Set : Associate withe the BSS +// +#define IOCTL_WB_802_11_DUT_ASSOC_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 9, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_REASSOC_REQUEST +// Query: None. +// Set : ReAssociate withe the BSS +// +#define IOCTL_WB_802_11_DUT_REASSOC_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 10, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + + +// IOCTL_WB_802_11_DUT_DISASSOC_REQUEST +// Query: None. +// Set : DisAssociate withe the BSS +// +#define IOCTL_WB_802_11_DUT_DISASSOC_REQUEST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 11, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_FRAG_THRESHOLD +// Query: Return the dot11FragmentThreshold +// Set : Set the dot11FragmentThreshold +// +#define IOCTL_WB_802_11_DUT_FRAG_THRESHOLD CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 12, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_RTS_THRESHOLD +// Query: Return the dot11RTSThreshold +// Set : Set the dot11RTSThresold +// +#define IOCTL_WB_802_11_DUT_RTS_THRESHOLD CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 13, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_WEP_KEYMODE +// Query: Get the WEP key mode. +// Set : Set the WEP key mode: disable/64 bits/128 bits +// +#define IOCTL_WB_802_11_DUT_WEP_KEYMODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 14, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_WEP_KEYVALUE +// Query: None. +// Set : fill in the WEP key value +// +#define IOCTL_WB_802_11_DUT_WEP_KEYVALUE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 15, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_RESET +// Query: None. +// Set : Reset S/W and H/W +// +#define IOCTL_WB_802_11_DUT_RESET CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 16, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_POWER_SAVE +// Query: None. +// Set : Set Power Save Mode +// +#define IOCTL_WB_802_11_DUT_POWER_SAVE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 17, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_BSSID_LIST_SCAN +// Query: None. +// Set : +// +#define IOCTL_WB_802_11_DUT_BSSID_LIST_SCAN CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 18, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_BSSID_LIST +// Query: Return the BSS info of BSSs in the last scanning process +// Set : None. +// +#define IOCTL_WB_802_11_DUT_BSSID_LIST CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 19, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_STATISTICS +// Query: Return the statistics of Tx/Rx. +// Set : None. +// +#define IOCTL_WB_802_11_DUT_STATISTICS CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 20, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_ACCEPT_BEACON +// Query: Return the current mode to accept beacon or not. +// Set : Enable or disable allowing the HW-MAC to pass the beacon to the SW-MAC +// Arguments: unsigned char +// +#define IOCTL_WB_802_11_DUT_ACCEPT_BEACON CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 21, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_ROAMING +// Query: Return the roaming function status +// Set : Enable/Disable the roaming function. +#define IOCTL_WB_802_11_DUT_ROAMING CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 22, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_DTO +// Query: Return the DTO(Data Throughput Optimization) +// function status (TRUE or FALSE) +// Set : Enable/Disable the DTO function. +// +#define IOCTL_WB_802_11_DUT_DTO CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 23, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_ANTENNA_DIVERSITY +// Query: Return the antenna diversity status. (TRUE/ON or FALSE/OFF) +// Set : Enable/Disable the antenna diversity. +// +#define IOCTL_WB_802_11_DUT_ANTENNA_DIVERSITY CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 24, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +//-------------- new added for a+b+g --------------------- +// IOCTL_WB_802_11_DUT_MAC_OPERATION_MODE +// Query: Return the MAC operation mode. (MODE_802_11_BG, MODE_802_11_A, +// MODE_802_11_ABG, MODE_802_11_BG_IBSS) +// Set : Set the MAC operation mode. +// +#define IOCTL_WB_802_11_DUT_MAC_OPERATION_MODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 25, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_TX_RATE_REDEFINED +// Query: Return the current tx rate which follows the definition in spec. (for +// example, 5.5M => 0x0b) +// Set : None +// +#define IOCTL_WB_802_11_DUT_TX_RATE_REDEFINED CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 26, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_PREAMBLE_MODE +// Query: Return the preamble mode. (auto or long) +// Set : Set the preamble mode. +// +#define IOCTL_WB_802_11_DUT_PREAMBLE_MODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 27, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_SLOT_TIME_MODE +// Query: Return the slot time mode. (auto or long) +// Set : Set the slot time mode. +// +#define IOCTL_WB_802_11_DUT_SLOT_TIME_MODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 28, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) +//------------------------------------------------------------------ + +// IOCTL_WB_802_11_DUT_ADVANCE_STATUS +// Query: +// Set : NONE +// +#define IOCTL_WB_802_11_DUT_ADVANCE_STATUS CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 29, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_TX_RATE_MODE +// Query: Return the tx rate mode. (RATE_AUTO, RATE_1M, .., RATE_54M, RATE_MAX) +// Set : Set the tx rate mode. (RATE_AUTO, RATE_1M, .., RATE_54M, RATE_MAX) +// +#define IOCTL_WB_802_11_DUT_TX_RATE_MODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 30, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_DTO_PARA +// Query: Return the DTO parameters +// Set : Set the DTO parameters +// +#define IOCTL_WB_802_11_DUT_DTO_PARA CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 31, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_EVENT_LOG +// Query: Return event log +// Set : Reset event log +// +#define IOCTL_WB_802_11_DUT_EVENT_LOG CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 32, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_CWMIN +// Query: NONE(It will be obtained by IOCTL_WB_802_11_DUT_ADVANCE_STATUS) +// Set : Set CWMin value +// +#define IOCTL_WB_802_11_DUT_CWMIN CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 33, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_DUT_CWMAX +// Query: NONE(It will be obtained by IOCTL_WB_802_11_DUT_ADVANCE_STATUS) +// Set : Set CWMax value +// +#define IOCTL_WB_802_11_DUT_CWMAX CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_DUT_INDEX + 34, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + + +//========================================================== +// IOCTLs for Testing + +// IOCTL_WB_802_11_TS_SET_CXX_REG +// Query: None +// Set : Write the value to one of Cxx register. +// +#define IOCTL_WB_802_11_TS_SET_CXX_REG CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 0, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_TS_GET_CXX_REG +// Query: Return the value of the Cxx register. +// Set : Write the reg no. (0x00, 0x04, 0x08 etc) +// +#define IOCTL_WB_802_11_TS_GET_CXX_REG CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 1, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_TS_SET_DXX_REG +// Query: None +// Set : Write the value to one of Dxx register. +// +#define IOCTL_WB_802_11_TS_SET_DXX_REG CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 2, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// IOCTL_WB_802_11_TS_GET_DXX_REG +// Query: Return the value of the Dxx register. +// Set : Write the reg no. (0x00, 0x04, 0x08 etc) +// +#define IOCTL_WB_802_11_TS_GET_DXX_REG CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 3, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +//============================================================ +// [TS] + +#define IOCTL_WB_802_11_TS_TX_RATE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 4, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_CURRENT_CHANNEL CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 5, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_ENABLE_SEQNO CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 6, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_ENALBE_ACKEDPACKET CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 7, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_INHIBIT_CRC CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 8, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_RESET_RCV_COUNTER CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 9, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_SET_TX_TRIGGER CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 10, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_FAILED_TX_COUNT CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 11, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// [TS1] +#define IOCTL_WB_802_11_TS_TX_POWER CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 12, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_MODE_ENABLE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 13, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_MODE_DISABLE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 14, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_ANTENNA CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 15, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_ADAPTER_INFO CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 16, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_MAC_ADDRESS CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 17, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_BSSID CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 18, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_RF_PARAMETER CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 19, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_FILTER CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 20, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_CALIBRATION CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 21, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_BSS_MODE CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 22, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_SET_SSID CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 23, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_IBSS_CHANNEL CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 24, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +// set/query the slot time value(short or long slot time) +#define IOCTL_WB_802_11_TS_SLOT_TIME CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 25, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_SLOT_TIME CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 25, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#define IOCTL_WB_802_11_TS_RX_STATISTICS CTL_CODE( \ + FILE_DEVICE_UNKNOWN, \ + WB_IOCTL_TS_INDEX + 26, \ + METHOD_BUFFERED, \ + FILE_ANY_ACCESS) + +#endif // #ifndef _IOCTLS_H + + diff --git a/drivers/staging/winbond/linux/common.h b/drivers/staging/winbond/linux/common.h new file mode 100644 index 000000000000..6b00bad74f78 --- /dev/null +++ b/drivers/staging/winbond/linux/common.h @@ -0,0 +1,143 @@ +// +// common.h +// +// This file contains the OS dependant definition and function. +// Every OS has this file individual. +// + +#define DebugUsbdStatusInformation( _A ) + +#ifndef COMMON_DEF +#define COMMON_DEF + +#include +#include +#include //need for kernel alert +#include +#include +#include +#include //memory allocate +#include +#include +#include +#include //need for init and exit modules marco +#include +#include +#include +#include +#include +#include +#include +#include + + +//#define DEBUG_ENABLED 1 + + + +//=============================================================== +// Common type definition +//=============================================================== + +typedef u8* PUCHAR; +typedef s8* PCHAR; +typedef u8* PBOOLEAN; +typedef u16* PUSHORT; +typedef u32* PULONG; +typedef s16* PSHORT; + + +//=========================================== +#define IGNORE 2 +#define SUCCESS 1 +#define FAILURE 0 + + +#ifndef true +#define true 1 +#endif + +#ifndef false +#define false 0 +#endif + +// PD43 20021108 +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +#define STATUS_MEDIA_CONNECT 1 +#define STATUS_MEDIA_DISCONNECT 0 + +#ifndef BIT +#define BIT(x) (1 << (x)) +#endif + +typedef struct urb * PURB; + + + +//================================================================================================== +// Common function definition +//================================================================================================== +#ifndef abs +#define abs(_T) ((_T) < 0 ? -_T : _T) +#endif +#define DEBUG_ENABLED +#define ETH_LENGTH_OF_ADDRESS 6 +#ifdef DEBUG_ENABLED +#define WBDEBUG( _M ) printk _M +#else +#define WBDEBUG( _M ) 0 +#endif + +#define OS_DISCONNECTED 0 +#define OS_CONNECTED 1 + + +#define OS_EVENT_INDICATE( _A, _B, _F ) +#define OS_PMKID_STATUS_EVENT( _A ) + + +/* Uff, no, longs are not atomic on all architectures Linux + * supports. This should really use atomic_t */ + +#define OS_ATOMIC u32 +#define OS_ATOMIC_READ( _A, _V ) _V +#define OS_ATOMIC_INC( _A, _V ) EncapAtomicInc( _A, (void*)_V ) +#define OS_ATOMIC_DEC( _A, _V ) EncapAtomicDec( _A, (void*)_V ) +#define OS_MEMORY_CLEAR( _A, _S ) memset( (PUCHAR)_A,0,_S) +#define OS_MEMORY_COMPARE( _A, _B, _S ) (memcmp(_A,_B,_S)? 0 : 1) // Definition is reverse with Ndis 1: the same 0: different + + +#define OS_SPIN_LOCK spinlock_t +#define OS_SPIN_LOCK_ALLOCATE( _S ) spin_lock_init( _S ); +#define OS_SPIN_LOCK_FREE( _S ) +#define OS_SPIN_LOCK_ACQUIRED( _S ) spin_lock_irq( _S ) +#define OS_SPIN_LOCK_RELEASED( _S ) spin_unlock_irq( _S ); + +#define OS_TIMER struct timer_list +#define OS_TIMER_INITIAL( _T, _F, _P ) \ +{ \ + init_timer( _T ); \ + (_T)->function = (void *)_F##_1a; \ + (_T)->data = (unsigned long)_P; \ +} + +// _S : Millisecond +// 20060420 At least 1 large than jiffies +#define OS_TIMER_SET( _T, _S ) \ +{ \ + (_T)->expires = jiffies + ((_S*HZ+999)/1000);\ + add_timer( _T ); \ +} +#define OS_TIMER_CANCEL( _T, _B ) del_timer_sync( _T ) +#define OS_TIMER_GET_SYS_TIME( _T ) (*_T=jiffies) + + +#endif // COMMON_DEF + diff --git a/drivers/staging/winbond/linux/sysdef.h b/drivers/staging/winbond/linux/sysdef.h new file mode 100644 index 000000000000..d46d63e5c673 --- /dev/null +++ b/drivers/staging/winbond/linux/sysdef.h @@ -0,0 +1,73 @@ + + +// +// Winbond WLAN System Configuration defines +// + +//===================================================================== +// Current directory is Linux +// The definition WB_LINUX is a keyword for this OS +//===================================================================== +#ifndef SYS_DEF_H +#define SYS_DEF_H +#define WB_LINUX +#define WB_LINUX_WPA_PSK + + +//#define _IBSS_BEACON_SEQ_STICK_ +#define _USE_FALLBACK_RATE_ +//#define ANTDIV_DEFAULT_ON + +#define _WPA2_ // 20061122 It's needed for current Linux driver + + +#ifndef _WPA_PSK_DEBUG +#undef _WPA_PSK_DEBUG +#endif + +// debug print options, mark what debug you don't need + +#ifdef FULL_DEBUG +#define _PE_STATE_DUMP_ +#define _PE_TX_DUMP_ +#define _PE_RX_DUMP_ +#define _PE_OID_DUMP_ +#define _PE_DTO_DUMP_ +#define _PE_REG_DUMP_ +#define _PE_USB_INI_DUMP_ +#endif + + + +#include "common.h" // Individual file depends on OS + +#include "../wb35_ver.h" +#include "../mac_structures.h" +#include "../ds_tkip.h" +#include "../localpara.h" +#include "../sme_s.h" +#include "../scan_s.h" +#include "../mds_s.h" +#include "../mlme_s.h" +#include "../bssdscpt.h" +#include "../sme_api.h" +#include "../gl_80211.h" +#include "../mto.h" +#include "../wblinux_s.h" +#include "../wbhal_s.h" + + +#include "../adapter.h" + +#include "../mlme_mib.h" +#include "../mds_f.h" +#include "../bss_f.h" +#include "../mlmetxrx_f.h" +#include "../mto_f.h" +#include "../wbhal_f.h" +#include "../wblinux_f.h" +// Kernel Timer resolution, NDIS is 10ms, 10000us +#define MIN_TIMEOUT_VAL (10) //ms + + +#endif diff --git a/drivers/staging/winbond/linux/wb35reg.c b/drivers/staging/winbond/linux/wb35reg.c new file mode 100644 index 000000000000..2c0b454e8cad --- /dev/null +++ b/drivers/staging/winbond/linux/wb35reg.c @@ -0,0 +1,747 @@ +#include "sysdef.h" + +extern void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency); + +// TRUE : read command process successfully +// FALSE : register not support +// RegisterNo : start base +// pRegisterData : data point +// NumberOfData : number of register data +// Flag : AUTO_INCREMENT - RegisterNo will auto increment 4 +// NO_INCREMENT - Function will write data into the same register +unsigned char +Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterData, u8 NumberOfData, u8 Flag) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PURB pUrb = NULL; + PREG_QUEUE pRegQueue = NULL; + u16 UrbSize; + struct usb_ctrlrequest *dr; + u16 i, DataSize = NumberOfData*4; + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + // Trying to use burst write function if use new hardware + UrbSize = sizeof(REG_QUEUE) + DataSize + sizeof(struct usb_ctrlrequest); + OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize ); + pUrb = wb_usb_alloc_urb(0); + if( pUrb && pRegQueue ) { + pRegQueue->DIRECT = 2;// burst write register + pRegQueue->INDEX = RegisterNo; + pRegQueue->pBuffer = (PULONG)((PUCHAR)pRegQueue + sizeof(REG_QUEUE)); + memcpy( pRegQueue->pBuffer, pRegisterData, DataSize ); + //the function for reversing register data from little endian to big endian + for( i=0; ipBuffer[i] = cpu_to_le32( pRegQueue->pBuffer[i] ); + + dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE) + DataSize); + dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE; + dr->bRequest = 0x04; // USB or vendor-defined request code, burst mode + dr->wValue = cpu_to_le16( Flag ); // 0: Register number auto-increment, 1: No auto increment + dr->wIndex = cpu_to_le16( RegisterNo ); + dr->wLength = cpu_to_le16( DataSize ); + pRegQueue->Next = NULL; + pRegQueue->pUsbReq = dr; + pRegQueue->pUrb = pUrb; + + OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock ); + if (pWb35Reg->pRegFirst == NULL) + pWb35Reg->pRegFirst = pRegQueue; + else + pWb35Reg->pRegLast->Next = pRegQueue; + pWb35Reg->pRegLast = pRegQueue; + + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + // Start EP0VM + Wb35Reg_EP0VM_start(pHwData); + + return TRUE; + } else { + if (pUrb) + usb_free_urb(pUrb); + if (pRegQueue) + kfree(pRegQueue); + return FALSE; + } + return FALSE; +} + +void +Wb35Reg_Update(phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + switch (RegisterNo) { + case 0x3b0: pWb35Reg->U1B0 = RegisterValue; break; + case 0x3bc: pWb35Reg->U1BC_LEDConfigure = RegisterValue; break; + case 0x400: pWb35Reg->D00_DmaControl = RegisterValue; break; + case 0x800: pWb35Reg->M00_MacControl = RegisterValue; break; + case 0x804: pWb35Reg->M04_MulticastAddress1 = RegisterValue; break; + case 0x808: pWb35Reg->M08_MulticastAddress2 = RegisterValue; break; + case 0x824: pWb35Reg->M24_MacControl = RegisterValue; break; + case 0x828: pWb35Reg->M28_MacControl = RegisterValue; break; + case 0x82c: pWb35Reg->M2C_MacControl = RegisterValue; break; + case 0x838: pWb35Reg->M38_MacControl = RegisterValue; break; + case 0x840: pWb35Reg->M40_MacControl = RegisterValue; break; + case 0x844: pWb35Reg->M44_MacControl = RegisterValue; break; + case 0x848: pWb35Reg->M48_MacControl = RegisterValue; break; + case 0x84c: pWb35Reg->M4C_MacStatus = RegisterValue; break; + case 0x860: pWb35Reg->M60_MacControl = RegisterValue; break; + case 0x868: pWb35Reg->M68_MacControl = RegisterValue; break; + case 0x870: pWb35Reg->M70_MacControl = RegisterValue; break; + case 0x874: pWb35Reg->M74_MacControl = RegisterValue; break; + case 0x878: pWb35Reg->M78_ERPInformation = RegisterValue; break; + case 0x87C: pWb35Reg->M7C_MacControl = RegisterValue; break; + case 0x880: pWb35Reg->M80_MacControl = RegisterValue; break; + case 0x884: pWb35Reg->M84_MacControl = RegisterValue; break; + case 0x888: pWb35Reg->M88_MacControl = RegisterValue; break; + case 0x898: pWb35Reg->M98_MacControl = RegisterValue; break; + case 0x100c: pWb35Reg->BB0C = RegisterValue; break; + case 0x102c: pWb35Reg->BB2C = RegisterValue; break; + case 0x1030: pWb35Reg->BB30 = RegisterValue; break; + case 0x103c: pWb35Reg->BB3C = RegisterValue; break; + case 0x1048: pWb35Reg->BB48 = RegisterValue; break; + case 0x104c: pWb35Reg->BB4C = RegisterValue; break; + case 0x1050: pWb35Reg->BB50 = RegisterValue; break; + case 0x1054: pWb35Reg->BB54 = RegisterValue; break; + case 0x1058: pWb35Reg->BB58 = RegisterValue; break; + case 0x105c: pWb35Reg->BB5C = RegisterValue; break; + case 0x1060: pWb35Reg->BB60 = RegisterValue; break; + } +} + +// TRUE : read command process successfully +// FALSE : register not support +unsigned char +Wb35Reg_WriteSync( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + int ret = -1; + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + RegisterValue = cpu_to_le32(RegisterValue); + + // update the register by send usb message------------------------------------ + pWb35Reg->SyncIoPause = 1; + + // 20060717.5 Wait until EP0VM stop + while (pWb35Reg->EP0vm_state != VM_STOP) + OS_SLEEP(10000); + + // Sync IoCallDriver + pWb35Reg->EP0vm_state = VM_RUNNING; + ret = usb_control_msg( pHwData->WbUsb.udev, + usb_sndctrlpipe( pHwData->WbUsb.udev, 0 ), + 0x03, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, + 0x0,RegisterNo, &RegisterValue, 4, HZ*100 ); + pWb35Reg->EP0vm_state = VM_STOP; + pWb35Reg->SyncIoPause = 0; + + Wb35Reg_EP0VM_start(pHwData); + + if (ret < 0) { + #ifdef _PE_REG_DUMP_ + WBDEBUG(("EP0 Write register usb message sending error\n")); + #endif + + pHwData->SurpriseRemove = 1; // 20060704.2 + return FALSE; + } + + return TRUE; +} + +// TRUE : read command process successfully +// FALSE : register not support +unsigned char +Wb35Reg_Write( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + struct usb_ctrlrequest *dr; + PURB pUrb = NULL; + PREG_QUEUE pRegQueue = NULL; + u16 UrbSize; + + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + // update the register by send urb request------------------------------------ + UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest); + OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize ); + pUrb = wb_usb_alloc_urb(0); + if (pUrb && pRegQueue) { + pRegQueue->DIRECT = 1;// burst write register + pRegQueue->INDEX = RegisterNo; + pRegQueue->VALUE = cpu_to_le32(RegisterValue); + pRegQueue->RESERVED_VALID = FALSE; + dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE)); + dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE; + dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode + dr->wValue = cpu_to_le16(0x0); + dr->wIndex = cpu_to_le16(RegisterNo); + dr->wLength = cpu_to_le16(4); + + // Enter the sending queue + pRegQueue->Next = NULL; + pRegQueue->pUsbReq = dr; + pRegQueue->pUrb = pUrb; + + OS_SPIN_LOCK_ACQUIRED(&pWb35Reg->EP0VM_spin_lock ); + if (pWb35Reg->pRegFirst == NULL) + pWb35Reg->pRegFirst = pRegQueue; + else + pWb35Reg->pRegLast->Next = pRegQueue; + pWb35Reg->pRegLast = pRegQueue; + + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + // Start EP0VM + Wb35Reg_EP0VM_start(pHwData); + + return TRUE; + } else { + if (pUrb) + usb_free_urb(pUrb); + kfree(pRegQueue); + return FALSE; + } +} + +//This command will be executed with a user defined value. When it completes, +//this value is useful. For example, hal_set_current_channel will use it. +// TRUE : read command process successfully +// FALSE : register not support +unsigned char +Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue, + PCHAR pValue, s8 Len) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + struct usb_ctrlrequest *dr; + PURB pUrb = NULL; + PREG_QUEUE pRegQueue = NULL; + u16 UrbSize; + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + // update the register by send urb request------------------------------------ + UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest); + OS_MEMORY_ALLOC((void* *) &pRegQueue, UrbSize ); + pUrb = wb_usb_alloc_urb(0); + if (pUrb && pRegQueue) { + pRegQueue->DIRECT = 1;// burst write register + pRegQueue->INDEX = RegisterNo; + pRegQueue->VALUE = cpu_to_le32(RegisterValue); + //NOTE : Users must guarantee the size of value will not exceed the buffer size. + memcpy(pRegQueue->RESERVED, pValue, Len); + pRegQueue->RESERVED_VALID = TRUE; + dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE)); + dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE; + dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode + dr->wValue = cpu_to_le16(0x0); + dr->wIndex = cpu_to_le16(RegisterNo); + dr->wLength = cpu_to_le16(4); + + // Enter the sending queue + pRegQueue->Next = NULL; + pRegQueue->pUsbReq = dr; + pRegQueue->pUrb = pUrb; + OS_SPIN_LOCK_ACQUIRED (&pWb35Reg->EP0VM_spin_lock ); + if( pWb35Reg->pRegFirst == NULL ) + pWb35Reg->pRegFirst = pRegQueue; + else + pWb35Reg->pRegLast->Next = pRegQueue; + pWb35Reg->pRegLast = pRegQueue; + + OS_SPIN_LOCK_RELEASED ( &pWb35Reg->EP0VM_spin_lock ); + + // Start EP0VM + Wb35Reg_EP0VM_start(pHwData); + return TRUE; + } else { + if (pUrb) + usb_free_urb(pUrb); + kfree(pRegQueue); + return FALSE; + } +} + +// TRUE : read command process successfully +// FALSE : register not support +// pRegisterValue : It must be a resident buffer due to asynchronous read register. +unsigned char +Wb35Reg_ReadSync( phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterValue ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PULONG pltmp = pRegisterValue; + int ret = -1; + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + // Read the register by send usb message------------------------------------ + + pWb35Reg->SyncIoPause = 1; + + // 20060717.5 Wait until EP0VM stop + while (pWb35Reg->EP0vm_state != VM_STOP) + OS_SLEEP(10000); + + pWb35Reg->EP0vm_state = VM_RUNNING; + ret = usb_control_msg( pHwData->WbUsb.udev, + usb_rcvctrlpipe(pHwData->WbUsb.udev, 0), + 0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN, + 0x0, RegisterNo, pltmp, 4, HZ*100 ); + + *pRegisterValue = cpu_to_le32(*pltmp); + + pWb35Reg->EP0vm_state = VM_STOP; + + Wb35Reg_Update( pHwData, RegisterNo, *pRegisterValue ); + pWb35Reg->SyncIoPause = 0; + + Wb35Reg_EP0VM_start( pHwData ); + + if (ret < 0) { + #ifdef _PE_REG_DUMP_ + WBDEBUG(("EP0 Read register usb message sending error\n")); + #endif + + pHwData->SurpriseRemove = 1; // 20060704.2 + return FALSE; + } + + return TRUE; +} + +// TRUE : read command process successfully +// FALSE : register not support +// pRegisterValue : It must be a resident buffer due to asynchronous read register. +unsigned char +Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterValue ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + struct usb_ctrlrequest * dr; + PURB pUrb; + PREG_QUEUE pRegQueue; + u16 UrbSize; + + // Module shutdown + if (pHwData->SurpriseRemove) + return FALSE; + + // update the variable by send Urb to read register ------------------------------------ + UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest); + OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize ); + pUrb = wb_usb_alloc_urb(0); + if( pUrb && pRegQueue ) + { + pRegQueue->DIRECT = 0;// read register + pRegQueue->INDEX = RegisterNo; + pRegQueue->pBuffer = pRegisterValue; + dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE)); + dr->bRequestType = USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN; + dr->bRequest = 0x01; // USB or vendor-defined request code, burst mode + dr->wValue = cpu_to_le16(0x0); + dr->wIndex = cpu_to_le16 (RegisterNo); + dr->wLength = cpu_to_le16 (4); + + // Enter the sending queue + pRegQueue->Next = NULL; + pRegQueue->pUsbReq = dr; + pRegQueue->pUrb = pUrb; + OS_SPIN_LOCK_ACQUIRED ( &pWb35Reg->EP0VM_spin_lock ); + if( pWb35Reg->pRegFirst == NULL ) + pWb35Reg->pRegFirst = pRegQueue; + else + pWb35Reg->pRegLast->Next = pRegQueue; + pWb35Reg->pRegLast = pRegQueue; + + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + // Start EP0VM + Wb35Reg_EP0VM_start( pHwData ); + + return TRUE; + } else { + if (pUrb) + usb_free_urb( pUrb ); + kfree(pRegQueue); + return FALSE; + } +} + + +void +Wb35Reg_EP0VM_start( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if (OS_ATOMIC_INC( pHwData->Adapter, &pWb35Reg->RegFireCount) == 1) { + pWb35Reg->EP0vm_state = VM_RUNNING; + Wb35Reg_EP0VM(pHwData); + } else + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount ); +} + +void +Wb35Reg_EP0VM(phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PURB pUrb; + struct usb_ctrlrequest *dr; + PULONG pBuffer; + int ret = -1; + PREG_QUEUE pRegQueue; + + + if (pWb35Reg->SyncIoPause) + goto cleanup; + + if (pHwData->SurpriseRemove) + goto cleanup; + + // Get the register data and send to USB through Irp + OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock ); + pRegQueue = pWb35Reg->pRegFirst; + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + if (!pRegQueue) + goto cleanup; + + // Get an Urb, send it + pUrb = (PURB)pRegQueue->pUrb; + + dr = pRegQueue->pUsbReq; + pUrb = pRegQueue->pUrb; + pBuffer = pRegQueue->pBuffer; + if (pRegQueue->DIRECT == 1) // output + pBuffer = &pRegQueue->VALUE; + + usb_fill_control_urb( pUrb, pHwData->WbUsb.udev, + REG_DIRECTION(pHwData->WbUsb.udev,pRegQueue), + (PUCHAR)dr,pBuffer,cpu_to_le16(dr->wLength), + Wb35Reg_EP0VM_complete, (void*)pHwData); + + pWb35Reg->EP0vm_state = VM_RUNNING; + + ret = wb_usb_submit_urb( pUrb ); + + if (ret < 0) { +#ifdef _PE_REG_DUMP_ + WBDEBUG(("EP0 Irp sending error\n")); +#endif + goto cleanup; + } + + return; + + cleanup: + pWb35Reg->EP0vm_state = VM_STOP; + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount ); +} + + +void +Wb35Reg_EP0VM_complete(PURB pUrb) +{ + phw_data_t pHwData = (phw_data_t)pUrb->context; + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PREG_QUEUE pRegQueue; + + + // Variable setting + pWb35Reg->EP0vm_state = VM_COMPLETED; + pWb35Reg->EP0VM_status = pUrb->status; + + if (pHwData->SurpriseRemove) { // Let WbWlanHalt to handle surprise remove + pWb35Reg->EP0vm_state = VM_STOP; + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount ); + } else { + // Complete to send, remove the URB from the first + OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock ); + pRegQueue = pWb35Reg->pRegFirst; + if (pRegQueue == pWb35Reg->pRegLast) + pWb35Reg->pRegLast = NULL; + pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next; + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + if (pWb35Reg->EP0VM_status) { +#ifdef _PE_REG_DUMP_ + WBDEBUG(("EP0 IoCompleteRoutine return error\n")); + DebugUsbdStatusInformation( pWb35Reg->EP0VM_status ); +#endif + pWb35Reg->EP0vm_state = VM_STOP; + pHwData->SurpriseRemove = 1; + } else { + // Success. Update the result + + // Start the next send + Wb35Reg_EP0VM(pHwData); + } + + kfree(pRegQueue); + } + + usb_free_urb(pUrb); +} + + +void +Wb35Reg_destroy(phw_data_t pHwData) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PURB pUrb; + PREG_QUEUE pRegQueue; + + + Uxx_power_off_procedure(pHwData); + + // Wait for Reg operation completed + do { + OS_SLEEP(10000); // Delay for waiting function enter 940623.1.a + } while (pWb35Reg->EP0vm_state != VM_STOP); + OS_SLEEP(10000); // Delay for waiting function enter 940623.1.b + + // Release all the data in RegQueue + OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock ); + pRegQueue = pWb35Reg->pRegFirst; + while (pRegQueue) { + if (pRegQueue == pWb35Reg->pRegLast) + pWb35Reg->pRegLast = NULL; + pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next; + + pUrb = pRegQueue->pUrb; + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + if (pUrb) { + usb_free_urb(pUrb); + kfree(pRegQueue); + } else { + #ifdef _PE_REG_DUMP_ + WBDEBUG(("EP0 queue release error\n")); + #endif + } + OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock ); + + pRegQueue = pWb35Reg->pRegFirst; + } + OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock ); + + // Free resource + OS_SPIN_LOCK_FREE( &pWb35Reg->EP0VM_spin_lock ); +} + +//==================================================================================== +// The function can be run in passive-level only. +//==================================================================================== +unsigned char Wb35Reg_initial(phw_data_t pHwData) +{ + PWB35REG pWb35Reg=&pHwData->Wb35Reg; + u32 ltmp; + u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval; + + // Spin lock is acquired for read and write IRP command + OS_SPIN_LOCK_ALLOCATE( &pWb35Reg->EP0VM_spin_lock ); + + // Getting RF module type from EEPROM ------------------------------------ + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x080d0000 ); // Start EEPROM access + Read + address(0x0d) + Wb35Reg_ReadSync( pHwData, 0x03b4, <mp ); + + //Update RF module type and determine the PHY type by inf or EEPROM + pWb35Reg->EEPROMPhyType = (u8)( ltmp & 0xff ); + // 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829 + // 16V AL2230, 17 - AL7230, 18 - AL2230S + // 32 Reserved + // 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34) + if (pWb35Reg->EEPROMPhyType != RF_DECIDE_BY_INF) { + if( (pWb35Reg->EEPROMPhyType == RF_MAXIM_2825) || + (pWb35Reg->EEPROMPhyType == RF_MAXIM_2827) || + (pWb35Reg->EEPROMPhyType == RF_MAXIM_2828) || + (pWb35Reg->EEPROMPhyType == RF_MAXIM_2829) || + (pWb35Reg->EEPROMPhyType == RF_MAXIM_V1) || + (pWb35Reg->EEPROMPhyType == RF_AIROHA_2230) || + (pWb35Reg->EEPROMPhyType == RF_AIROHA_2230S) || + (pWb35Reg->EEPROMPhyType == RF_AIROHA_7230) || + (pWb35Reg->EEPROMPhyType == RF_WB_242) || + (pWb35Reg->EEPROMPhyType == RF_WB_242_1)) + pHwData->phy_type = pWb35Reg->EEPROMPhyType; + } + + // Power On procedure running. The relative parameter will be set according to phy_type + Uxx_power_on_procedure( pHwData ); + + // Reading MAC address + Uxx_ReadEthernetAddress( pHwData ); + + // Read VCO trim for RF parameter + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08200000 ); + Wb35Reg_ReadSync( pHwData, 0x03b4, &VCO_trim ); + + // Read Antenna On/Off of software flag + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08210000 ); + Wb35Reg_ReadSync( pHwData, 0x03b4, &SoftwareSet ); + + // Read TXVGA + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 ); + Wb35Reg_ReadSync( pHwData, 0x03b4, &TxVga ); + + // Get Scan interval setting from EEPROM offset 0x1c + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x081d0000 ); + Wb35Reg_ReadSync( pHwData, 0x03b4, &Region_ScanInterval ); + + // Update Ethernet address + memcpy( pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_LENGTH_OF_ADDRESS ); + + // Update software variable + pHwData->SoftwareSet = (u16)(SoftwareSet & 0xffff); + TxVga &= 0x000000ff; + pHwData->PowerIndexFromEEPROM = (u8)TxVga; + pHwData->VCO_trim = (u8)VCO_trim & 0xff; + if (pHwData->VCO_trim == 0xff) + pHwData->VCO_trim = 0x28; + + pWb35Reg->EEPROMRegion = (u8)(Region_ScanInterval>>8); // 20060720 + if( pWb35Reg->EEPROMRegion<1 || pWb35Reg->EEPROMRegion>6 ) + pWb35Reg->EEPROMRegion = REGION_AUTO; + + //For Get Tx VGA from EEPROM 20060315.5 move here + GetTxVgaFromEEPROM( pHwData ); + + // Set Scan Interval + pHwData->Scan_Interval = (u8)(Region_ScanInterval & 0xff) * 10; + if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) // Is default setting 0xff * 10 + pHwData->Scan_Interval = SCAN_MAX_CHNL_TIME; + + // Initial register + RFSynthesizer_initial(pHwData); + + BBProcessor_initial(pHwData); // Async write, must wait until complete + + Wb35Reg_phy_calibration(pHwData); + + Mxx_initial(pHwData); + Dxx_initial(pHwData); + + if (pHwData->SurpriseRemove) + return FALSE; + else + return TRUE; // Initial fail +} + +//=================================================================================== +// CardComputeCrc -- +// +// Description: +// Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length. +// +// Arguments: +// Buffer - the input buffer +// Length - the length of Buffer +// +// Return Value: +// The 32-bit CRC value. +// +// Note: +// This is adapted from the comments in the assembly language +// version in _GENREQ.ASM of the DWB NE1000/2000 driver. +//================================================================================== +u32 +CardComputeCrc(PUCHAR Buffer, u32 Length) +{ + u32 Crc, Carry; + u32 i, j; + u8 CurByte; + + Crc = 0xffffffff; + + for (i = 0; i < Length; i++) { + + CurByte = Buffer[i]; + + for (j = 0; j < 8; j++) { + + Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01); + Crc <<= 1; + CurByte >>= 1; + + if (Carry) { + Crc =(Crc ^ 0x04c11db6) | Carry; + } + } + } + + return Crc; +} + + +//================================================================== +// BitReverse -- +// Reverse the bits in the input argument, dwData, which is +// regarded as a string of bits with the length, DataLength. +// +// Arguments: +// dwData : +// DataLength : +// +// Return: +// The converted value. +//================================================================== +u32 BitReverse( u32 dwData, u32 DataLength) +{ + u32 HalfLength, i, j; + u32 BitA, BitB; + + if ( DataLength <= 0) return 0; // No conversion is done. + dwData = dwData & (0xffffffff >> (32 - DataLength)); + + HalfLength = DataLength / 2; + for ( i = 0, j = DataLength-1 ; i < HalfLength; i++, j--) + { + BitA = GetBit( dwData, i); + BitB = GetBit( dwData, j); + if (BitA && !BitB) { + dwData = ClearBit( dwData, i); + dwData = SetBit( dwData, j); + } else if (!BitA && BitB) { + dwData = SetBit( dwData, i); + dwData = ClearBit( dwData, j); + } else + { + // Do nothing since these two bits are of the save values. + } + } + + return dwData; +} + +void Wb35Reg_phy_calibration( phw_data_t pHwData ) +{ + u32 BB3c, BB54; + + if ((pHwData->phy_type == RF_WB_242) || + (pHwData->phy_type == RF_WB_242_1)) { + phy_calibration_winbond ( pHwData, 2412 ); // Sync operation + Wb35Reg_ReadSync( pHwData, 0x103c, &BB3c ); + Wb35Reg_ReadSync( pHwData, 0x1054, &BB54 ); + + pHwData->BB3c_cal = BB3c; + pHwData->BB54_cal = BB54; + + RFSynthesizer_initial(pHwData); + BBProcessor_initial(pHwData); // Async operation + + Wb35Reg_WriteSync( pHwData, 0x103c, BB3c ); + Wb35Reg_WriteSync( pHwData, 0x1054, BB54 ); + } +} + + diff --git a/drivers/staging/winbond/linux/wb35reg_f.h b/drivers/staging/winbond/linux/wb35reg_f.h new file mode 100644 index 000000000000..38e2906b51a7 --- /dev/null +++ b/drivers/staging/winbond/linux/wb35reg_f.h @@ -0,0 +1,56 @@ +//==================================== +// Interface function declare +//==================================== +unsigned char Wb35Reg_initial( phw_data_t pHwData ); +void Uxx_power_on_procedure( phw_data_t pHwData ); +void Uxx_power_off_procedure( phw_data_t pHwData ); +void Uxx_ReadEthernetAddress( phw_data_t pHwData ); +void Dxx_initial( phw_data_t pHwData ); +void Mxx_initial( phw_data_t pHwData ); +void RFSynthesizer_initial( phw_data_t pHwData ); +//void RFSynthesizer_SwitchingChannel( phw_data_t pHwData, s8 Channel ); +void RFSynthesizer_SwitchingChannel( phw_data_t pHwData, ChanInfo Channel ); +void BBProcessor_initial( phw_data_t pHwData ); +void BBProcessor_RateChanging( phw_data_t pHwData, u8 rate ); // 20060613.1 +//void RF_RateChanging( phw_data_t pHwData, u8 rate ); // 20060626.5.c Add +u8 RFSynthesizer_SetPowerIndex( phw_data_t pHwData, u8 PowerIndex ); +u8 RFSynthesizer_SetMaxim2828_24Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetMaxim2828_50Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetMaxim2827_24Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetMaxim2827_50Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetMaxim2825Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetAiroha2230Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetAiroha7230Power( phw_data_t, u8 index ); +u8 RFSynthesizer_SetWinbond242Power( phw_data_t, u8 index ); +void GetTxVgaFromEEPROM( phw_data_t pHwData ); +void EEPROMTxVgaAdjust( phw_data_t pHwData ); // 20060619.5 Add + +#define RFWriteControlData( _A, _V ) Wb35Reg_Write( _A, 0x0864, _V ) + +void Wb35Reg_destroy( phw_data_t pHwData ); + +unsigned char Wb35Reg_Read( phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterValue ); +unsigned char Wb35Reg_ReadSync( phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterValue ); +unsigned char Wb35Reg_Write( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue ); +unsigned char Wb35Reg_WriteSync( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue ); +unsigned char Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, + u16 RegisterNo, + u32 RegisterValue, + PCHAR pValue, + s8 Len); +unsigned char Wb35Reg_BurstWrite( phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterData, u8 NumberOfData, u8 Flag ); + +void Wb35Reg_EP0VM( phw_data_t pHwData ); +void Wb35Reg_EP0VM_start( phw_data_t pHwData ); +void Wb35Reg_EP0VM_complete( PURB pUrb ); + +u32 BitReverse( u32 dwData, u32 DataLength); + +void CardGetMulticastBit( u8 Address[MAC_ADDR_LENGTH], u8 *Byte, u8 *Value ); +u32 CardComputeCrc( PUCHAR Buffer, u32 Length ); + +void Wb35Reg_phy_calibration( phw_data_t pHwData ); +void Wb35Reg_Update( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue ); +unsigned char adjust_TXVGA_for_iq_mag( phw_data_t pHwData ); + + diff --git a/drivers/staging/winbond/linux/wb35reg_s.h b/drivers/staging/winbond/linux/wb35reg_s.h new file mode 100644 index 000000000000..a7595b1e7336 --- /dev/null +++ b/drivers/staging/winbond/linux/wb35reg_s.h @@ -0,0 +1,170 @@ +//======================================================================================= +/* + HAL setting function + + ======================================== + |Uxx| |Dxx| |Mxx| |BB| |RF| + ======================================== + | | + Wb35Reg_Read Wb35Reg_Write + + ---------------------------------------- + WbUsb_CallUSBDASync supplied By WbUsb module +*/ +//======================================================================================= + +#define GetBit( dwData, i) ( dwData & (0x00000001 << i)) +#define SetBit( dwData, i) ( dwData | (0x00000001 << i)) +#define ClearBit( dwData, i) ( dwData & ~(0x00000001 << i)) + +#define IGNORE_INCREMENT 0 +#define AUTO_INCREMENT 0 +#define NO_INCREMENT 1 +#define REG_DIRECTION(_x,_y) ((_y)->DIRECT ==0 ? usb_rcvctrlpipe(_x,0) : usb_sndctrlpipe(_x,0)) +#define REG_BUF_SIZE(_x) ((_x)->bRequest== 0x04 ? cpu_to_le16((_x)->wLength) : 4) + +// 20060613.2 Add the follow definition +#define BB48_DEFAULT_AL2230_11B 0x0033447c +#define BB4C_DEFAULT_AL2230_11B 0x0A00FEFF +#define BB48_DEFAULT_AL2230_11G 0x00332C1B +#define BB4C_DEFAULT_AL2230_11G 0x0A00FEFF + + +#define BB48_DEFAULT_WB242_11B 0x00292315 //backoff 2dB +#define BB4C_DEFAULT_WB242_11B 0x0800FEFF //backoff 2dB +//#define BB48_DEFAULT_WB242_11B 0x00201B11 //backoff 4dB +//#define BB4C_DEFAULT_WB242_11B 0x0600FF00 //backoff 4dB +#define BB48_DEFAULT_WB242_11G 0x00453B24 +#define BB4C_DEFAULT_WB242_11G 0x0E00FEFF + +//==================================== +// Default setting for Mxx +//==================================== +#define DEFAULT_CWMIN 31 //(M2C) CWmin. Its value is in the range 0-31. +#define DEFAULT_CWMAX 1023 //(M2C) CWmax. Its value is in the range 0-1023. +#define DEFAULT_AID 1 //(M34) AID. Its value is in the range 1-2007. + +#ifdef _USE_FALLBACK_RATE_ +#define DEFAULT_RATE_RETRY_LIMIT 2 //(M38) as named +#else +#define DEFAULT_RATE_RETRY_LIMIT 7 //(M38) as named +#endif + +#define DEFAULT_LONG_RETRY_LIMIT 7 //(M38) LongRetryLimit. Its value is in the range 0-15. +#define DEFAULT_SHORT_RETRY_LIMIT 7 //(M38) ShortRetryLimit. Its value is in the range 0-15. +#define DEFAULT_PIFST 25 //(M3C) PIFS Time. Its value is in the range 0-65535. +#define DEFAULT_EIFST 354 //(M3C) EIFS Time. Its value is in the range 0-1048575. +#define DEFAULT_DIFST 45 //(M3C) DIFS Time. Its value is in the range 0-65535. +#define DEFAULT_SIFST 5 //(M3C) SIFS Time. Its value is in the range 0-65535. +#define DEFAULT_OSIFST 10 //(M3C) Original SIFS Time. Its value is in the range 0-15. +#define DEFAULT_ATIMWD 0 //(M40) ATIM Window. Its value is in the range 0-65535. +#define DEFAULT_SLOT_TIME 20 //(M40) ($) SlotTime. Its value is in the range 0-255. +#define DEFAULT_MAX_TX_MSDU_LIFE_TIME 512 //(M44) MaxTxMSDULifeTime. Its value is in the range 0-4294967295. +#define DEFAULT_BEACON_INTERVAL 500 //(M48) Beacon Interval. Its value is in the range 0-65535. +#define DEFAULT_PROBE_DELAY_TIME 200 //(M48) Probe Delay Time. Its value is in the range 0-65535. +#define DEFAULT_PROTOCOL_VERSION 0 //(M4C) +#define DEFAULT_MAC_POWER_STATE 2 //(M4C) 2: MAC at power active +#define DEFAULT_DTIM_ALERT_TIME 0 + + +typedef struct _REG_QUEUE +{ + struct urb *pUrb; + void* pUsbReq; + void* Next; + union + { + u32 VALUE; + PULONG pBuffer; + }; + u8 RESERVED[4];// space reserved for communication + + u16 INDEX; // For storing the register index + u8 RESERVED_VALID; //Indicate whether the RESERVED space is valid at this command. + u8 DIRECT; // 0:In 1:Out + +} REG_QUEUE, *PREG_QUEUE; + +//==================================== +// Internal variable for module +//==================================== +#define MAX_SQ3_FILTER_SIZE 5 +typedef struct _WB35REG +{ + //============================ + // Register Bank backup + //============================ + u32 U1B0; //bit16 record the h/w radio on/off status + u32 U1BC_LEDConfigure; + u32 D00_DmaControl; + u32 M00_MacControl; + union { + struct { + u32 M04_MulticastAddress1; + u32 M08_MulticastAddress2; + }; + u8 Multicast[8]; // contents of card multicast registers + }; + + u32 M24_MacControl; + u32 M28_MacControl; + u32 M2C_MacControl; + u32 M38_MacControl; + u32 M3C_MacControl; // 20060214 backup only + u32 M40_MacControl; + u32 M44_MacControl; // 20060214 backup only + u32 M48_MacControl; // 20060214 backup only + u32 M4C_MacStatus; + u32 M60_MacControl; // 20060214 backup only + u32 M68_MacControl; // 20060214 backup only + u32 M70_MacControl; // 20060214 backup only + u32 M74_MacControl; // 20060214 backup only + u32 M78_ERPInformation;//930206.2.b + u32 M7C_MacControl; // 20060214 backup only + u32 M80_MacControl; // 20060214 backup only + u32 M84_MacControl; // 20060214 backup only + u32 M88_MacControl; // 20060214 backup only + u32 M98_MacControl; // 20060214 backup only + + //[20040722 WK] + //Baseband register + u32 BB0C; // Used for LNA calculation + u32 BB2C; // + u32 BB30; //11b acquisition control register + u32 BB3C; + u32 BB48; // 20051221.1.a 20060613.1 Fix OBW issue of 11b/11g rate + u32 BB4C; // 20060613.1 Fix OBW issue of 11b/11g rate + u32 BB50; //mode control register + u32 BB54; + u32 BB58; //IQ_ALPHA + u32 BB5C; // For test + u32 BB60; // for WTO read value + + //------------------- + // VM + //------------------- + OS_SPIN_LOCK EP0VM_spin_lock; // 4B + u32 EP0VM_status;//$$ + PREG_QUEUE pRegFirst; + PREG_QUEUE pRegLast; + OS_ATOMIC RegFireCount; + + // Hardware status + u8 EP0vm_state; + u8 mac_power_save; + u8 EEPROMPhyType; // 0 ~ 15 for Maxim (0 Ä„V MAX2825, 1 Ä„V MAX2827, 2 Ä„V MAX2828, 3 Ä„V MAX2829), + // 16 ~ 31 for Airoha (16 Ä„V AL2230, 11 - AL7230) + // 32 ~ Reserved + // 33 ~ 47 For WB242 ( 33 - WB242, 34 - WB242 with new Txvga 0.5 db step) + // 48 ~ 255 ARE RESERVED. + u8 EEPROMRegion; //Region setting in EEPROM + + u32 SyncIoPause; // If user use the Sync Io to access Hw, then pause the async access + + u8 LNAValue[4]; //Table for speed up running + u32 SQ3_filter[MAX_SQ3_FILTER_SIZE]; + u32 SQ3_index; + +} WB35REG, *PWB35REG; + + diff --git a/drivers/staging/winbond/linux/wb35rx.c b/drivers/staging/winbond/linux/wb35rx.c new file mode 100644 index 000000000000..26157eb3d5a2 --- /dev/null +++ b/drivers/staging/winbond/linux/wb35rx.c @@ -0,0 +1,337 @@ +//============================================================================ +// Copyright (c) 1996-2002 Winbond Electronic Corporation +// +// Module Name: +// Wb35Rx.c +// +// Abstract: +// Processing the Rx message from down layer +// +//============================================================================ +#include "sysdef.h" + + +void Wb35Rx_start(phw_data_t pHwData) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + + // Allow only one thread to run into the Wb35Rx() function + if (OS_ATOMIC_INC(pHwData->Adapter, &pWb35Rx->RxFireCounter) == 1) { + pWb35Rx->EP3vm_state = VM_RUNNING; + Wb35Rx(pHwData); + } else + OS_ATOMIC_DEC(pHwData->Adapter, &pWb35Rx->RxFireCounter); +} + +// This function cannot reentrain +void Wb35Rx( phw_data_t pHwData ) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + PUCHAR pRxBufferAddress; + PURB pUrb = (PURB)pWb35Rx->RxUrb; + int retv; + u32 RxBufferId; + + // + // Issuing URB + // + do { + if (pHwData->SurpriseRemove || pHwData->HwStop) + break; + + if (pWb35Rx->rx_halt) + break; + + // Get RxBuffer's ID + RxBufferId = pWb35Rx->RxBufferId; + if (!pWb35Rx->RxOwner[RxBufferId]) { + // It's impossible to run here. + #ifdef _PE_RX_DUMP_ + WBDEBUG(("Rx driver fifo unavailable\n")); + #endif + break; + } + + // Update buffer point, then start to bulkin the data from USB + pWb35Rx->RxBufferId++; + pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER; + + pWb35Rx->CurrentRxBufferId = RxBufferId; + + if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) { + printk("w35und: Rx memory alloc failed\n"); + break; + } + pRxBufferAddress = pWb35Rx->pDRx; + + usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev, + usb_rcvbulkpipe(pHwData->WbUsb.udev, 3), + pRxBufferAddress, MAX_USB_RX_BUFFER, + Wb35Rx_Complete, pHwData); + + pWb35Rx->EP3vm_state = VM_RUNNING; + + retv = wb_usb_submit_urb(pUrb); + + if (retv != 0) { + printk("Rx URB sending error\n"); + break; + } + return; + } while(FALSE); + + // VM stop + pWb35Rx->EP3vm_state = VM_STOP; + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter ); +} + +void Wb35Rx_Complete(PURB pUrb) +{ + phw_data_t pHwData = pUrb->context; + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + PUCHAR pRxBufferAddress; + u32 SizeCheck; + u16 BulkLength; + u32 RxBufferId; + R00_DESCRIPTOR R00; + + // Variable setting + pWb35Rx->EP3vm_state = VM_COMPLETED; + pWb35Rx->EP3VM_status = pUrb->status;//Store the last result of Irp + + do { + RxBufferId = pWb35Rx->CurrentRxBufferId; + + pRxBufferAddress = pWb35Rx->pDRx; + BulkLength = (u16)pUrb->actual_length; + + // The IRP is completed + pWb35Rx->EP3vm_state = VM_COMPLETED; + + if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid + break; + + if (pWb35Rx->rx_halt) + break; + + // Start to process the data only in successful condition + pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver + R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress); + + // The URB is completed, check the result + if (pWb35Rx->EP3VM_status != 0) { + #ifdef _PE_USB_STATE_DUMP_ + WBDEBUG(("EP3 IoCompleteRoutine return error\n")); + DebugUsbdStatusInformation( pWb35Rx->EP3VM_status ); + #endif + pWb35Rx->EP3vm_state = VM_STOP; + break; + } + + // 20060220 For recovering. check if operating in single USB mode + if (!HAL_USB_MODE_BURST(pHwData)) { + SizeCheck = R00.R00_receive_byte_count; //20060926 anson's endian + if ((SizeCheck & 0x03) > 0) + SizeCheck -= 4; + SizeCheck = (SizeCheck + 3) & ~0x03; + SizeCheck += 12; // 8 + 4 badbeef + if ((BulkLength > 1600) || + (SizeCheck > 1600) || + (BulkLength != SizeCheck) || + (BulkLength == 0)) { // Add for fail Urb + pWb35Rx->EP3vm_state = VM_STOP; + pWb35Rx->Ep3ErrorCount2++; + } + } + + // Indicating the receiving data + pWb35Rx->ByteReceived += BulkLength; + pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength; + + if (!pWb35Rx->RxOwner[ RxBufferId ]) + Wb35Rx_indicate(pHwData); + + kfree(pWb35Rx->pDRx); + // Do the next receive + Wb35Rx(pHwData); + return; + + } while(FALSE); + + pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter ); + pWb35Rx->EP3vm_state = VM_STOP; +} + +//===================================================================================== +unsigned char Wb35Rx_initial(phw_data_t pHwData) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + + // Initial the Buffer Queue + Wb35Rx_reset_descriptor( pHwData ); + + pWb35Rx->RxUrb = wb_usb_alloc_urb(0); + return (!!pWb35Rx->RxUrb); +} + +void Wb35Rx_stop(phw_data_t pHwData) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + + // Canceling the Irp if already sends it out. + if (pWb35Rx->EP3vm_state == VM_RUNNING) { + usb_unlink_urb( pWb35Rx->RxUrb ); // Only use unlink, let Wb35Rx_destroy to free them + #ifdef _PE_RX_DUMP_ + WBDEBUG(("EP3 Rx stop\n")); + #endif + } +} + +// Needs process context +void Wb35Rx_destroy(phw_data_t pHwData) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + + do { + OS_SLEEP(10000); // Delay for waiting function enter 940623.1.a + } while (pWb35Rx->EP3vm_state != VM_STOP); + OS_SLEEP(10000); // Delay for waiting function exit 940623.1.b + + if (pWb35Rx->RxUrb) + usb_free_urb( pWb35Rx->RxUrb ); + #ifdef _PE_RX_DUMP_ + WBDEBUG(("Wb35Rx_destroy OK\n")); + #endif +} + +void Wb35Rx_reset_descriptor( phw_data_t pHwData ) +{ + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + u32 i; + + pWb35Rx->ByteReceived = 0; + pWb35Rx->RxProcessIndex = 0; + pWb35Rx->RxBufferId = 0; + pWb35Rx->EP3vm_state = VM_STOP; + pWb35Rx->rx_halt = 0; + + // Initial the Queue. The last buffer is reserved for used if the Rx resource is unavailable. + for( i=0; iRxOwner[i] = 1; +} + +void Wb35Rx_adjust(PDESCRIPTOR pRxDes) +{ + PULONG pRxBufferAddress; + u32 DecryptionMethod; + u32 i; + u16 BufferSize; + + DecryptionMethod = pRxDes->R01.R01_decryption_method; + pRxBufferAddress = pRxDes->buffer_address[0]; + BufferSize = pRxDes->buffer_size[0]; + + // Adjust the last part of data. Only data left + BufferSize -= 4; // For CRC-32 + if (DecryptionMethod) + BufferSize -= 4; + if (DecryptionMethod == 3) // For CCMP + BufferSize -= 4; + + // Adjust the IV field which after 802.11 header and ICV field. + if (DecryptionMethod == 1) // For WEP + { + for( i=6; i>0; i-- ) + pRxBufferAddress[i] = pRxBufferAddress[i-1]; + pRxDes->buffer_address[0] = pRxBufferAddress + 1; + BufferSize -= 4; // 4 byte for IV + } + else if( DecryptionMethod ) // For TKIP and CCMP + { + for (i=7; i>1; i--) + pRxBufferAddress[i] = pRxBufferAddress[i-2]; + pRxDes->buffer_address[0] = pRxBufferAddress + 2;//Update the descriptor, shift 8 byte + BufferSize -= 8; // 8 byte for IV + ICV + } + pRxDes->buffer_size[0] = BufferSize; +} + +extern void packet_came(char *pRxBufferAddress, int PacketSize); + + +u16 Wb35Rx_indicate(phw_data_t pHwData) +{ + DESCRIPTOR RxDes; + PWB35RX pWb35Rx = &pHwData->Wb35Rx; + PUCHAR pRxBufferAddress; + u16 PacketSize; + u16 stmp, BufferSize, stmp2 = 0; + u32 RxBufferId; + + // Only one thread be allowed to run into the following + do { + RxBufferId = pWb35Rx->RxProcessIndex; + if (pWb35Rx->RxOwner[ RxBufferId ]) //Owner by VM + break; + + pWb35Rx->RxProcessIndex++; + pWb35Rx->RxProcessIndex %= MAX_USB_RX_BUFFER_NUMBER; + + pRxBufferAddress = pWb35Rx->pDRx; + BufferSize = pWb35Rx->RxBufferSize[ RxBufferId ]; + + // Parse the bulkin buffer + while (BufferSize >= 4) { + if ((cpu_to_le32(*(PULONG)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a + break; + + // Get the R00 R01 first + RxDes.R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress); + PacketSize = (u16)RxDes.R00.R00_receive_byte_count; + RxDes.R01.value = le32_to_cpu(*((PULONG)(pRxBufferAddress+4))); + // For new DMA 4k + if ((PacketSize & 0x03) > 0) + PacketSize -= 4; + + // Basic check for Rx length. Is length valid? + if (PacketSize > MAX_PACKET_SIZE) { + #ifdef _PE_RX_DUMP_ + WBDEBUG(("Serious ERROR : Rx data size too long, size =%d\n", PacketSize)); + #endif + + pWb35Rx->EP3vm_state = VM_STOP; + pWb35Rx->Ep3ErrorCount2++; + break; + } + + // Start to process Rx buffer +// RxDes.Descriptor_ID = RxBufferId; // Due to synchronous indicate, the field doesn't necessary to use. + BufferSize -= 8; //subtract 8 byte for 35's USB header length + pRxBufferAddress += 8; + + RxDes.buffer_address[0] = pRxBufferAddress; + RxDes.buffer_size[0] = PacketSize; + RxDes.buffer_number = 1; + RxDes.buffer_start_index = 0; + RxDes.buffer_total_size = RxDes.buffer_size[0]; + Wb35Rx_adjust(&RxDes); + + packet_came(pRxBufferAddress, PacketSize); + + // Move RxBuffer point to the next + stmp = PacketSize + 3; + stmp &= ~0x03; // 4n alignment + pRxBufferAddress += stmp; + BufferSize -= stmp; + stmp2 += stmp; + } + + // Reclaim resource + pWb35Rx->RxOwner[ RxBufferId ] = 1; + } while(TRUE); + + return stmp2; +} + + diff --git a/drivers/staging/winbond/linux/wb35rx_f.h b/drivers/staging/winbond/linux/wb35rx_f.h new file mode 100644 index 000000000000..daa3e73042bd --- /dev/null +++ b/drivers/staging/winbond/linux/wb35rx_f.h @@ -0,0 +1,17 @@ +//==================================== +// Interface function declare +//==================================== +void Wb35Rx_reset_descriptor( phw_data_t pHwData ); +unsigned char Wb35Rx_initial( phw_data_t pHwData ); +void Wb35Rx_destroy( phw_data_t pHwData ); +void Wb35Rx_stop( phw_data_t pHwData ); +u16 Wb35Rx_indicate( phw_data_t pHwData ); +void Wb35Rx_adjust( PDESCRIPTOR pRxDes ); +void Wb35Rx_start( phw_data_t pHwData ); + +void Wb35Rx( phw_data_t pHwData ); +void Wb35Rx_Complete( PURB pUrb ); + + + + diff --git a/drivers/staging/winbond/linux/wb35rx_s.h b/drivers/staging/winbond/linux/wb35rx_s.h new file mode 100644 index 000000000000..53b831fdeb78 --- /dev/null +++ b/drivers/staging/winbond/linux/wb35rx_s.h @@ -0,0 +1,48 @@ +//============================================================================ +// wb35rx.h -- +//============================================================================ + +// Definition for this module used +#define MAX_USB_RX_BUFFER 4096 // This parameter must be 4096 931130.4.f + +#define MAX_USB_RX_BUFFER_NUMBER ETHERNET_RX_DESCRIPTORS // Maximum 254, 255 is RESERVED ID +#define RX_INTERFACE 0 // Interface 1 +#define RX_PIPE 2 // Pipe 3 +#define MAX_PACKET_SIZE 1600 //1568 // 8 + 1532 + 4 + 24(IV EIV MIC ICV CRC) for check DMA data 931130.4.g +#define RX_END_TAG 0x0badbeef + + +//==================================== +// Internal variable for module +//==================================== +typedef struct _WB35RX +{ + u32 ByteReceived;// For calculating throughput of BulkIn + OS_ATOMIC RxFireCounter;// Does Wb35Rx module fire? + + u8 RxBuffer[ MAX_USB_RX_BUFFER_NUMBER ][ ((MAX_USB_RX_BUFFER+3) & ~0x03 ) ]; + u16 RxBufferSize[ ((MAX_USB_RX_BUFFER_NUMBER+1) & ~0x01) ]; + u8 RxOwner[ ((MAX_USB_RX_BUFFER_NUMBER+3) & ~0x03 ) ];//Ownership of buffer 0: SW 1:HW + + u32 RxProcessIndex;//The next index to process + u32 RxBufferId; + u32 EP3vm_state; + + u32 rx_halt; // For VM stopping + + u16 MoreDataSize; + u16 PacketSize; + + u32 CurrentRxBufferId; // For complete routine usage + u32 Rx3UrbCancel; + + u32 LastR1; // For RSSI reporting + struct urb * RxUrb; + u32 Ep3ErrorCount2; // 20060625.1 Usbd for Rx DMA error count + + int EP3VM_status; + PUCHAR pDRx; + +} WB35RX, *PWB35RX; + + diff --git a/drivers/staging/winbond/linux/wb35tx.c b/drivers/staging/winbond/linux/wb35tx.c new file mode 100644 index 000000000000..cf19c3bc524a --- /dev/null +++ b/drivers/staging/winbond/linux/wb35tx.c @@ -0,0 +1,313 @@ +//============================================================================ +// Copyright (c) 1996-2002 Winbond Electronic Corporation +// +// Module Name: +// Wb35Tx.c +// +// Abstract: +// Processing the Tx message and put into down layer +// +//============================================================================ +#include "sysdef.h" + + +unsigned char +Wb35Tx_get_tx_buffer(phw_data_t pHwData, PUCHAR *pBuffer ) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + *pBuffer = pWb35Tx->TxBuffer[0]; + return TRUE; +} + +void Wb35Tx_start(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + // Allow only one thread to run into function + if (OS_ATOMIC_INC(pHwData->Adapter, &pWb35Tx->TxFireCounter) == 1) { + pWb35Tx->EP4vm_state = VM_RUNNING; + Wb35Tx(pHwData); + } else + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter ); +} + + +void Wb35Tx(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + PADAPTER Adapter = pHwData->Adapter; + PUCHAR pTxBufferAddress; + PMDS pMds = &Adapter->Mds; + struct urb * pUrb = (struct urb *)pWb35Tx->Tx4Urb; + int retv; + u32 SendIndex; + + + if (pHwData->SurpriseRemove || pHwData->HwStop) + goto cleanup; + + if (pWb35Tx->tx_halt) + goto cleanup; + + // Ownership checking + SendIndex = pWb35Tx->TxSendIndex; + if (!pMds->TxOwner[SendIndex]) //No more data need to be sent, return immediately + goto cleanup; + + pTxBufferAddress = pWb35Tx->TxBuffer[SendIndex]; + // + // Issuing URB + // + usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev, + usb_sndbulkpipe(pHwData->WbUsb.udev, 4), + pTxBufferAddress, pMds->TxBufferSize[ SendIndex ], + Wb35Tx_complete, pHwData); + + pWb35Tx->EP4vm_state = VM_RUNNING; + retv = wb_usb_submit_urb( pUrb ); + if (retv<0) { + printk("EP4 Tx Irp sending error\n"); + goto cleanup; + } + + // Check if driver needs issue Irp for EP2 + pWb35Tx->TxFillCount += pMds->TxCountInBuffer[SendIndex]; + if (pWb35Tx->TxFillCount > 12) + Wb35Tx_EP2VM_start( pHwData ); + + pWb35Tx->ByteTransfer += pMds->TxBufferSize[SendIndex]; + return; + + cleanup: + pWb35Tx->EP4vm_state = VM_STOP; + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter ); +} + + +void Wb35Tx_complete(struct urb * pUrb) +{ + phw_data_t pHwData = pUrb->context; + PADAPTER Adapter = (PADAPTER)pHwData->Adapter; + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + PMDS pMds = &Adapter->Mds; + + printk("wb35: tx complete\n"); + // Variable setting + pWb35Tx->EP4vm_state = VM_COMPLETED; + pWb35Tx->EP4VM_status = pUrb->status; //Store the last result of Irp + pMds->TxOwner[ pWb35Tx->TxSendIndex ] = 0;// Set the owner. Free the owner bit always. + pWb35Tx->TxSendIndex++; + pWb35Tx->TxSendIndex %= MAX_USB_TX_BUFFER_NUMBER; + + do { + if (pHwData->SurpriseRemove || pHwData->HwStop) // Let WbWlanHalt to handle surprise remove + break; + + if (pWb35Tx->tx_halt) + break; + + // The URB is completed, check the result + if (pWb35Tx->EP4VM_status != 0) { + printk("URB submission failed\n"); + pWb35Tx->EP4vm_state = VM_STOP; + break; // Exit while(FALSE); + } + + Mds_Tx(Adapter); + Wb35Tx(pHwData); + return; + } while(FALSE); + + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter ); + pWb35Tx->EP4vm_state = VM_STOP; +} + +void Wb35Tx_reset_descriptor( phw_data_t pHwData ) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + pWb35Tx->TxSendIndex = 0; + pWb35Tx->tx_halt = 0; +} + +unsigned char Wb35Tx_initial(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + pWb35Tx->Tx4Urb = wb_usb_alloc_urb(0); + if (!pWb35Tx->Tx4Urb) + return FALSE; + + pWb35Tx->Tx2Urb = wb_usb_alloc_urb(0); + if (!pWb35Tx->Tx2Urb) + { + usb_free_urb( pWb35Tx->Tx4Urb ); + return FALSE; + } + + return TRUE; +} + +//====================================================== +void Wb35Tx_stop(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + // Trying to canceling the Trp of EP2 + if (pWb35Tx->EP2vm_state == VM_RUNNING) + usb_unlink_urb( pWb35Tx->Tx2Urb ); // Only use unlink, let Wb35Tx_destrot to free them + #ifdef _PE_TX_DUMP_ + WBDEBUG(("EP2 Tx stop\n")); + #endif + + // Trying to canceling the Irp of EP4 + if (pWb35Tx->EP4vm_state == VM_RUNNING) + usb_unlink_urb( pWb35Tx->Tx4Urb ); // Only use unlink, let Wb35Tx_destrot to free them + #ifdef _PE_TX_DUMP_ + WBDEBUG(("EP4 Tx stop\n")); + #endif +} + +//====================================================== +void Wb35Tx_destroy(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + // Wait for VM stop + do { + OS_SLEEP(10000); // Delay for waiting function enter 940623.1.a + } while( (pWb35Tx->EP2vm_state != VM_STOP) && (pWb35Tx->EP4vm_state != VM_STOP) ); + OS_SLEEP(10000); // Delay for waiting function enter 940623.1.b + + if (pWb35Tx->Tx4Urb) + usb_free_urb( pWb35Tx->Tx4Urb ); + + if (pWb35Tx->Tx2Urb) + usb_free_urb( pWb35Tx->Tx2Urb ); + + #ifdef _PE_TX_DUMP_ + WBDEBUG(("Wb35Tx_destroy OK\n")); + #endif +} + +void Wb35Tx_CurrentTime(phw_data_t pHwData, u32 TimeCount) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + unsigned char Trigger = FALSE; + + if (pWb35Tx->TxTimer > TimeCount) + Trigger = TRUE; + else if (TimeCount > (pWb35Tx->TxTimer+500)) + Trigger = TRUE; + + if (Trigger) { + pWb35Tx->TxTimer = TimeCount; + Wb35Tx_EP2VM_start( pHwData ); + } +} + +void Wb35Tx_EP2VM_start(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + + // Allow only one thread to run into function + if (OS_ATOMIC_INC( pHwData->Adapter, &pWb35Tx->TxResultCount ) == 1) { + pWb35Tx->EP2vm_state = VM_RUNNING; + Wb35Tx_EP2VM( pHwData ); + } + else + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount ); +} + + +void Wb35Tx_EP2VM(phw_data_t pHwData) +{ + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + struct urb * pUrb = (struct urb *)pWb35Tx->Tx2Urb; + PULONG pltmp = (PULONG)pWb35Tx->EP2_buf; + int retv; + + do { + if (pHwData->SurpriseRemove || pHwData->HwStop) + break; + + if (pWb35Tx->tx_halt) + break; + + // + // Issuing URB + // + usb_fill_int_urb( pUrb, pHwData->WbUsb.udev, usb_rcvintpipe(pHwData->WbUsb.udev,2), + pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, pHwData, 32); + + pWb35Tx->EP2vm_state = VM_RUNNING; + retv = wb_usb_submit_urb( pUrb ); + + if(retv < 0) { + #ifdef _PE_TX_DUMP_ + WBDEBUG(("EP2 Tx Irp sending error\n")); + #endif + break; + } + + return; + + } while(FALSE); + + pWb35Tx->EP2vm_state = VM_STOP; + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount ); +} + + +void Wb35Tx_EP2VM_complete(struct urb * pUrb) +{ + phw_data_t pHwData = pUrb->context; + T02_DESCRIPTOR T02, TSTATUS; + PADAPTER Adapter = (PADAPTER)pHwData->Adapter; + PWB35TX pWb35Tx = &pHwData->Wb35Tx; + PULONG pltmp = (PULONG)pWb35Tx->EP2_buf; + u32 i; + u16 InterruptInLength; + + + // Variable setting + pWb35Tx->EP2vm_state = VM_COMPLETED; + pWb35Tx->EP2VM_status = pUrb->status; + + do { + // For Linux 2.4. Interrupt will always trigger + if( pHwData->SurpriseRemove || pHwData->HwStop ) // Let WbWlanHalt to handle surprise remove + break; + + if( pWb35Tx->tx_halt ) + break; + + //The Urb is completed, check the result + if (pWb35Tx->EP2VM_status != 0) { + WBDEBUG(("EP2 IoCompleteRoutine return error\n")); + pWb35Tx->EP2vm_state= VM_STOP; + break; // Exit while(FALSE); + } + + // Update the Tx result + InterruptInLength = pUrb->actual_length; + // Modify for minimum memory access and DWORD alignment. + T02.value = cpu_to_le32(pltmp[0]) >> 8; // [31:8] -> [24:0] + InterruptInLength -= 1;// 20051221.1.c Modify the follow for more stable + InterruptInLength >>= 2; // InterruptInLength/4 + for (i=1; i<=InterruptInLength; i++) { + T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24); + + TSTATUS.value = T02.value; //20061009 anson's endian + Mds_SendComplete( Adapter, &TSTATUS ); + T02.value = cpu_to_le32(pltmp[i]) >> 8; + } + + return; + } while(FALSE); + + OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount ); + pWb35Tx->EP2vm_state = VM_STOP; +} + diff --git a/drivers/staging/winbond/linux/wb35tx_f.h b/drivers/staging/winbond/linux/wb35tx_f.h new file mode 100644 index 000000000000..7705a8454dcb --- /dev/null +++ b/drivers/staging/winbond/linux/wb35tx_f.h @@ -0,0 +1,20 @@ +//==================================== +// Interface function declare +//==================================== +unsigned char Wb35Tx_initial( phw_data_t pHwData ); +void Wb35Tx_destroy( phw_data_t pHwData ); +unsigned char Wb35Tx_get_tx_buffer( phw_data_t pHwData, PUCHAR *pBuffer ); + +void Wb35Tx_EP2VM( phw_data_t pHwData ); +void Wb35Tx_EP2VM_start( phw_data_t pHwData ); +void Wb35Tx_EP2VM_complete( PURB purb ); + +void Wb35Tx_start( phw_data_t pHwData ); +void Wb35Tx_stop( phw_data_t pHwData ); +void Wb35Tx( phw_data_t pHwData ); +void Wb35Tx_complete( PURB purb ); +void Wb35Tx_reset_descriptor( phw_data_t pHwData ); + +void Wb35Tx_CurrentTime( phw_data_t pHwData, u32 TimeCount ); + + diff --git a/drivers/staging/winbond/linux/wb35tx_s.h b/drivers/staging/winbond/linux/wb35tx_s.h new file mode 100644 index 000000000000..ac4325736760 --- /dev/null +++ b/drivers/staging/winbond/linux/wb35tx_s.h @@ -0,0 +1,47 @@ +//==================================== +// IS89C35 Tx related definition +//==================================== +#define TX_INTERFACE 0 // Interface 1 +#define TX_PIPE 3 // endpoint 4 +#define TX_INTERRUPT 1 // endpoint 2 +#define MAX_INTERRUPT_LENGTH 64 // It must be 64 for EP2 hardware + + + +//==================================== +// Internal variable for module +//==================================== + + +typedef struct _WB35TX +{ + // For Tx buffer + u8 TxBuffer[ MAX_USB_TX_BUFFER_NUMBER ][ MAX_USB_TX_BUFFER ]; + + // For Interrupt pipe + u8 EP2_buf[MAX_INTERRUPT_LENGTH]; + + OS_ATOMIC TxResultCount;// For thread control of EP2 931130.4.m + OS_ATOMIC TxFireCounter;// For thread control of EP4 931130.4.n + u32 ByteTransfer; + + u32 TxSendIndex;// The next index of Mds array to be sent + u32 EP2vm_state; // for EP2vm state + u32 EP4vm_state; // for EP4vm state + u32 tx_halt; // Stopping VM + + struct urb * Tx4Urb; + struct urb * Tx2Urb; + + int EP2VM_status; + int EP4VM_status; + + u32 TxFillCount; // 20060928 + u32 TxTimer; // 20060928 Add if sending packet not great than 13 + +} WB35TX, *PWB35TX; + + + + + diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c new file mode 100644 index 000000000000..cbad5fb05959 --- /dev/null +++ b/drivers/staging/winbond/linux/wbusb.c @@ -0,0 +1,404 @@ +/* + * Copyright 2008 Pavel Machek + * + * Distribute under GPLv2. + */ +#include "sysdef.h" +#include + + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL"); +MODULE_VERSION("0.1"); + + +//============================================================ +// vendor ID and product ID can into here for others +//============================================================ +static struct usb_device_id Id_Table[] = +{ + {USB_DEVICE( 0x0416, 0x0035 )}, + {USB_DEVICE( 0x18E8, 0x6201 )}, + {USB_DEVICE( 0x18E8, 0x6206 )}, + {USB_DEVICE( 0x18E8, 0x6217 )}, + {USB_DEVICE( 0x18E8, 0x6230 )}, + {USB_DEVICE( 0x18E8, 0x6233 )}, + {USB_DEVICE( 0x1131, 0x2035 )}, + { } +}; + +MODULE_DEVICE_TABLE(usb, Id_Table); + +static struct usb_driver wb35_driver = { + .name = "w35und", + .probe = wb35_probe, + .disconnect = wb35_disconnect, + .id_table = Id_Table, +}; + +static const struct ieee80211_rate wbsoft_rates[] = { + { .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, +}; + +static const struct ieee80211_channel wbsoft_channels[] = { + { .center_freq = 2412}, +}; + +int wbsoft_enabled; +struct ieee80211_hw *my_dev; +PADAPTER my_adapter; + +static int wbsoft_add_interface(struct ieee80211_hw *dev, + struct ieee80211_if_init_conf *conf) +{ + printk("wbsoft_add interface called\n"); + return 0; +} + +static void wbsoft_remove_interface(struct ieee80211_hw *dev, + struct ieee80211_if_init_conf *conf) +{ + printk("wbsoft_remove interface called\n"); +} + +static int wbsoft_nop(void) +{ + printk("wbsoft_nop called\n"); + return 0; +} + +static void wbsoft_configure_filter(struct ieee80211_hw *dev, + unsigned int changed_flags, + unsigned int *total_flags, + int mc_count, struct dev_mc_list *mclist) +{ + unsigned int bit_nr, new_flags; + u32 mc_filter[2]; + int i; + + new_flags = 0; + + if (*total_flags & FIF_PROMISC_IN_BSS) { + new_flags |= FIF_PROMISC_IN_BSS; + mc_filter[1] = mc_filter[0] = ~0; + } else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32)) { + new_flags |= FIF_ALLMULTI; + mc_filter[1] = mc_filter[0] = ~0; + } else { + mc_filter[1] = mc_filter[0] = 0; + for (i = 0; i < mc_count; i++) { + if (!mclist) + break; + printk("Should call ether_crc here\n"); + //bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; + bit_nr = 0; + + bit_nr &= 0x3F; + mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); + mclist = mclist->next; + } + } + + dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; + + *total_flags = new_flags; +} + +static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb, + struct ieee80211_tx_control *control) +{ + char *buffer = kmalloc(skb->len, GFP_ATOMIC); + printk("Sending frame %d bytes\n", skb->len); + memcpy(buffer, skb->data, skb->len); + if (1 == MLMESendFrame(my_adapter, buffer, skb->len, FRAME_TYPE_802_11_MANAGEMENT)) + printk("frame sent ok (%d bytes)?\n", skb->len); + return NETDEV_TX_OK; +} + + +static int wbsoft_start(struct ieee80211_hw *dev) +{ + wbsoft_enabled = 1; + printk("wbsoft_start called\n"); + return 0; +} + +static int wbsoft_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf) +{ + ChanInfo ch; + printk("wbsoft_config called\n"); + + ch.band = 1; + ch.ChanNo = 1; /* Should use channel_num, or something, as that is already pre-translated */ + + + hal_set_current_channel(&my_adapter->sHwData, ch); + hal_set_beacon_period(&my_adapter->sHwData, conf->beacon_int); +// hal_set_cap_info(&my_adapter->sHwData, ?? ); +// hal_set_ssid(phw_data_t pHwData, PUCHAR pssid, u8 ssid_len); ?? + hal_set_accept_broadcast(&my_adapter->sHwData, 1); + hal_set_accept_promiscuous(&my_adapter->sHwData, 1); + hal_set_accept_multicast(&my_adapter->sHwData, 1); + hal_set_accept_beacon(&my_adapter->sHwData, 1); + hal_set_radio_mode(&my_adapter->sHwData, 0); + //hal_set_antenna_number( phw_data_t pHwData, u8 number ) + //hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex) + + +// hal_start_bss(&my_adapter->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE); ?? + +//void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates, +// u8 length, unsigned char basic_rate_set) + + return 0; +} + +static int wbsoft_config_interface(struct ieee80211_hw *dev, + struct ieee80211_vif *vif, + struct ieee80211_if_conf *conf) +{ + printk("wbsoft_config_interface called\n"); + return 0; +} + +static u64 wbsoft_get_tsf(struct ieee80211_hw *dev) +{ + printk("wbsoft_get_tsf called\n"); + return 0; +} + +static const struct ieee80211_ops wbsoft_ops = { + .tx = wbsoft_tx, + .start = wbsoft_start, /* Start can be pretty much empty as we do WbWLanInitialize() during probe? */ + .stop = wbsoft_nop, + .add_interface = wbsoft_add_interface, + .remove_interface = wbsoft_remove_interface, + .config = wbsoft_config, + .config_interface = wbsoft_config_interface, + .configure_filter = wbsoft_configure_filter, + .get_stats = wbsoft_nop, + .get_tx_stats = wbsoft_nop, + .get_tsf = wbsoft_get_tsf, +// conf_tx: hal_set_cwmin()/hal_set_cwmax; +}; + +struct wbsoft_priv { +}; + + +int __init wb35_init(void) +{ + printk("[w35und]driver init\n"); + return usb_register(&wb35_driver); +} + +void __exit wb35_exit(void) +{ + printk("[w35und]driver exit\n"); + usb_deregister( &wb35_driver ); +} + +module_init(wb35_init); +module_exit(wb35_exit); + +// Usb kernel subsystem will call this function when a new device is plugged into. +int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table) +{ + PADAPTER Adapter; + PWBLINUX pWbLinux; + PWBUSB pWbUsb; + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *endpoint; + int i, ret = -1; + u32 ltmp; + struct usb_device *udev = interface_to_usbdev(intf); + + usb_get_dev(udev); + + printk("[w35und]wb35_probe ->\n"); + + do { + for (i=0; i<(sizeof(Id_Table)/sizeof(struct usb_device_id)); i++ ) { + if ((udev->descriptor.idVendor == Id_Table[i].idVendor) && + (udev->descriptor.idProduct == Id_Table[i].idProduct)) { + printk("[w35und]Found supported hardware\n"); + break; + } + } + if ((i == (sizeof(Id_Table)/sizeof(struct usb_device_id)))) { + #ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] This is not the one we are interested about\n")); + #endif + return -ENODEV; + } + + // 20060630.2 Check the device if it already be opened + ret = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ), + 0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN, + 0x0, 0x400, <mp, 4, HZ*100 ); + if( ret < 0 ) + break; + + ltmp = cpu_to_le32(ltmp); + if (ltmp) // Is already initialized? + break; + + + Adapter = kzalloc(sizeof(ADAPTER), GFP_KERNEL); + + my_adapter = Adapter; + pWbLinux = &Adapter->WbLinux; + pWbUsb = &Adapter->sHwData.WbUsb; + pWbUsb->udev = udev; + + interface = intf->cur_altsetting; + endpoint = &interface->endpoint[0].desc; + + if (endpoint[2].wMaxPacketSize == 512) { + printk("[w35und] Working on USB 2.0\n"); + pWbUsb->IsUsb20 = 1; + } + + if (!WbWLanInitialize(Adapter)) { + printk("[w35und]WbWLanInitialize fail\n"); + break; + } + + { + struct wbsoft_priv *priv; + struct ieee80211_hw *dev; + int res; + + dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops); + + if (!dev) { + printk("w35und: ieee80211 alloc failed\n" ); + BUG(); + } + + my_dev = dev; + + SET_IEEE80211_DEV(dev, &udev->dev); + { + phw_data_t pHwData = &Adapter->sHwData; + unsigned char dev_addr[MAX_ADDR_LEN]; + hal_get_permanent_address(pHwData, dev_addr); + SET_IEEE80211_PERM_ADDR(dev, dev_addr); + } + + + dev->extra_tx_headroom = 12; /* FIXME */ + dev->flags = 0; + + dev->channel_change_time = 1000; +// dev->max_rssi = 100; + + dev->queues = 1; + + static struct ieee80211_supported_band band; + + band.channels = wbsoft_channels; + band.n_channels = ARRAY_SIZE(wbsoft_channels); + band.bitrates = wbsoft_rates; + band.n_bitrates = ARRAY_SIZE(wbsoft_rates); + + dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band; +#if 0 + wbsoft_modes[0].num_channels = 1; + wbsoft_modes[0].channels = wbsoft_channels; + wbsoft_modes[0].mode = MODE_IEEE80211B; + wbsoft_modes[0].num_rates = ARRAY_SIZE(wbsoft_rates); + wbsoft_modes[0].rates = wbsoft_rates; + + res = ieee80211_register_hwmode(dev, &wbsoft_modes[0]); + BUG_ON(res); +#endif + + res = ieee80211_register_hw(dev); + BUG_ON(res); + } + + usb_set_intfdata( intf, Adapter ); + + printk("[w35und] _probe OK\n"); + return 0; + + } while(FALSE); + + return -ENOMEM; +} + +void packet_came(char *pRxBufferAddress, int PacketSize) +{ + struct sk_buff *skb; + struct ieee80211_rx_status rx_status = {0}; + + if (!wbsoft_enabled) + return; + + skb = dev_alloc_skb(PacketSize); + if (!skb) { + printk("Not enough memory for packet, FIXME\n"); + return; + } + + memcpy(skb_put(skb, PacketSize), + pRxBufferAddress, + PacketSize); + +/* + rx_status.rate = 10; + rx_status.channel = 1; + rx_status.freq = 12345; + rx_status.phymode = MODE_IEEE80211B; +*/ + + ieee80211_rx_irqsafe(my_dev, skb, &rx_status); +} + +unsigned char +WbUsb_initial(phw_data_t pHwData) +{ + return 1; +} + + +void +WbUsb_destroy(phw_data_t pHwData) +{ +} + +int wb35_open(struct net_device *netdev) +{ + PADAPTER Adapter = (PADAPTER)netdev->priv; + phw_data_t pHwData = &Adapter->sHwData; + + netif_start_queue(netdev); + + //TODO : put here temporarily + hal_set_accept_broadcast(pHwData, 1); // open accept broadcast + + return 0; +} + +int wb35_close(struct net_device *netdev) +{ + netif_stop_queue(netdev); + return 0; +} + +void wb35_disconnect(struct usb_interface *intf) +{ + PWBLINUX pWbLinux; + PADAPTER Adapter = usb_get_intfdata(intf); + usb_set_intfdata(intf, NULL); + + pWbLinux = &Adapter->WbLinux; + + // Card remove + WbWlanHalt(Adapter); + +} + + diff --git a/drivers/staging/winbond/linux/wbusb_f.h b/drivers/staging/winbond/linux/wbusb_f.h new file mode 100644 index 000000000000..cae29e107e11 --- /dev/null +++ b/drivers/staging/winbond/linux/wbusb_f.h @@ -0,0 +1,34 @@ +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// Copyright (c) 1996-2004 Winbond Electronic Corporation +// +// Module Name: +// wbusb_f.h +// +// Abstract: +// Linux driver. +// +// Author: +// +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +int wb35_open(struct net_device *netdev); +int wb35_close(struct net_device *netdev); +unsigned char WbUsb_initial(phw_data_t pHwData); +void WbUsb_destroy(phw_data_t pHwData); +unsigned char WbWLanInitialize(PADAPTER Adapter); +#define WbUsb_Stop( _A ) + +int wb35_probe(struct usb_interface *intf,const struct usb_device_id *id_table); +void wb35_disconnect(struct usb_interface *intf); + + +#define wb_usb_submit_urb(_A) usb_submit_urb(_A, GFP_ATOMIC) +#define wb_usb_alloc_urb(_A) usb_alloc_urb(_A, GFP_ATOMIC) + +#define WbUsb_CheckForHang( _P ) +#define WbUsb_DetectStart( _P, _I ) + + + + + diff --git a/drivers/staging/winbond/linux/wbusb_s.h b/drivers/staging/winbond/linux/wbusb_s.h new file mode 100644 index 000000000000..d5c1d53de70b --- /dev/null +++ b/drivers/staging/winbond/linux/wbusb_s.h @@ -0,0 +1,42 @@ +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// Copyright (c) 1996-2004 Winbond Electronic Corporation +// +// Module Name: +// wbusb_s.h +// +// Abstract: +// Linux driver. +// +// Author: +// +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +#define OS_SLEEP( _MT ) { set_current_state(TASK_INTERRUPTIBLE); \ + schedule_timeout( _MT*HZ/1000000 ); } + + +//--------------------------------------------------------------------------- +// RW_CONTEXT -- +// +// Used to track driver-generated io irps +//--------------------------------------------------------------------------- +typedef struct _RW_CONTEXT +{ + void* pHwData; + PURB pUrb; + void* pCallBackFunctionParameter; +} RW_CONTEXT, *PRW_CONTEXT; + + + + +#define DRIVER_AUTHOR "Original by: Jeff Lee Adapted to 2.6.x by Costantino Leandro (Rxart Desktop) " +#define DRIVER_DESC "IS89C35 802.11bg WLAN USB Driver" + + + +typedef struct _WBUSB { + u32 IsUsb20; + struct usb_device *udev; + u32 DetectCount; +} WBUSB, *PWBUSB; diff --git a/drivers/staging/winbond/localpara.h b/drivers/staging/winbond/localpara.h new file mode 100644 index 000000000000..268cf916ab48 --- /dev/null +++ b/drivers/staging/winbond/localpara.h @@ -0,0 +1,275 @@ +//============================================================= +// LocalPara.h - +//============================================================= +//Define the local ability + +#define LOCAL_DEFAULT_BEACON_PERIOD 100 //ms +#define LOCAL_DEFAULT_ATIM_WINDOW 0 +#define LOCAL_DEFAULT_ERP_CAPABILITY 0x0431 //0x0001: ESS + //0x0010: Privacy + //0x0020: short preamble + //0x0400: short slot time +#define LOCAL_DEFAULT_LISTEN_INTERVAL 5 + +//#define LOCAL_DEFAULT_24_CHANNEL_NUM 11 // channel 1..11 +#define LOCAL_DEFAULT_24_CHANNEL_NUM 13 // channel 1..13 +#define LOCAL_DEFAULT_5_CHANNEL_NUM 8 // channel 36..64 + +#define LOCAL_USA_24_CHANNEL_NUM 11 +#define LOCAL_USA_5_CHANNEL_NUM 12 +#define LOCAL_EUROPE_24_CHANNEL_NUM 13 +#define LOCAL_EUROPE_5_CHANNEL_NUM 19 +#define LOCAL_JAPAN_24_CHANNEL_NUM 14 +#define LOCAL_JAPAN_5_CHANNEL_NUM 11 +#define LOCAL_UNKNOWN_24_CHANNEL_NUM 14 +#define LOCAL_UNKNOWN_5_CHANNEL_NUM 34 //not include 165 + + +#define psLOCAL (&(Adapter->sLocalPara)) + +#define MODE_802_11_BG 0 +#define MODE_802_11_A 1 +#define MODE_802_11_ABG 2 +#define MODE_802_11_BG_IBSS 3 +#define MODE_802_11_B 4 +#define MODE_AUTO 255 + +#define BAND_TYPE_DSSS 0 +#define BAND_TYPE_OFDM_24 1 +#define BAND_TYPE_OFDM_5 2 + +//refer Bitmap2RateValue table +#define LOCAL_ALL_SUPPORTED_RATES_BITMAP 0x130c1a66 //the bitmap value of all the H/W supported rates + //1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54 +#define LOCAL_OFDM_SUPPORTED_RATES_BITMAP 0x130c1240 //the bitmap value of all the H/W supported rates + //except to non-OFDM rates + //6, 9, 12, 18, 24, 36, 48, 54 + +#define LOCAL_11B_SUPPORTED_RATE_BITMAP 0x826 +#define LOCAL_11B_BASIC_RATE_BITMAP 0x826 +#define LOCAL_11B_OPERATION_RATE_BITMAP 0x826 +#define LOCAL_11G_BASIC_RATE_BITMAP 0x826 //1, 2, 5.5, 11 +#define LOCAL_11G_OPERATION_RATE_BITMAP 0x130c1240 //6, 9, 12, 18, 24, 36, 48, 54 +#define LOCAL_11A_BASIC_RATE_BITMAP 0x01001040 //6, 12, 24 +#define LOCAL_11A_OPERATION_RATE_BITMAP 0x120c0200 //9, 18, 36, 48, 54 + + + +#define PWR_ACTIVE 0 +#define PWR_SAVE 1 +#define PWR_TX_IDLE_CYCLE 6 + +//bPreambleMode and bSlotTimeMode +#define AUTO_MODE 0 +#define LONG_MODE 1 + +//Region definition +#define REGION_AUTO 0xff +#define REGION_UNKNOWN 0 +#define REGION_EUROPE 1 //ETSI +#define REGION_JAPAN 2 //MKK +#define REGION_USA 3 //FCC +#define REGION_FRANCE 4 //FRANCE +#define REGION_SPAIN 5 //SPAIN +#define REGION_ISRAEL 6 //ISRAEL +//#define REGION_CANADA 7 //IC + +#define MAX_BSS_DESCRIPT_ELEMENT 32 +#define MAX_PMKID_CandidateList 16 + +//High byte : Event number, low byte : reason +//Event definition +//-- SME/MLME event +#define EVENT_RCV_DEAUTH 0x0100 +#define EVENT_JOIN_FAIL 0x0200 +#define EVENT_AUTH_FAIL 0x0300 +#define EVENT_ASSOC_FAIL 0x0400 +#define EVENT_LOST_SIGNAL 0x0500 +#define EVENT_BSS_DESCRIPT_LACK 0x0600 +#define EVENT_COUNTERMEASURE 0x0700 +#define EVENT_JOIN_FILTER 0x0800 +//-- TX/RX event +#define EVENT_RX_BUFF_UNAVAILABLE 0x4100 + +#define EVENT_CONNECT 0x8100 +#define EVENT_DISCONNECT 0x8200 +#define EVENT_SCAN_REQ 0x8300 + +//Reason of Event +#define EVENT_REASON_FILTER_BASIC_RATE 0x0001 +#define EVENT_REASON_FILTER_PRIVACY 0x0002 +#define EVENT_REASON_FILTER_AUTH_MODE 0x0003 +#define EVENT_REASON_TIMEOUT 0x00ff + +// 20061108 WPS IE buffer +#define MAX_IE_APPEND_SIZE 256 + 4 // Due to [E id][Length][OUI][Data] may 257 bytes + +typedef struct _EVENTLOG +{ + u16 Count; //Total count from start + u16 index; //Buffer index, 0 ~ 63 + u32 EventValue[64]; //BYTE 3~2 : count, BYTE 1 : Event, BYTE 0 : reason +} Event_Log, *pEvent_Log; + +typedef struct _ChanInfo +{ + u8 band; + u8 ChanNo; +} ChanInfo, *pChanInfo; + +typedef struct _CHAN_LIST +{ + u16 Count; + ChanInfo Channel[50]; // 100B +} CHAN_LIST, *psCHAN_LIST; + +typedef struct _RadioOff +{ + u8 boHwRadioOff; + u8 boSwRadioOff; +} RadioOff, *psRadioOff; + +//=========================================================================== +typedef struct LOCAL_PARA +{ + u8 PermanentAddress[ MAC_ADDR_LENGTH + 2 ]; // read from EPROM, manufacture set for each NetCard + u8 ThisMacAddress[ MAC_ADDR_LENGTH + 2 ]; // the driver will use actually. + + u32 MTUsize; // Ind to Uplayer, Max transmission unit size + + u8 region_INF; //region setting from INF + u8 region; //real region setting of the device + u8 Reserved_1[2]; + + //// power-save variables + u8 iPowerSaveMode; // 0 indicates it is on, 1 indicates it is off + u8 ShutDowned; + u8 ATIMmode; + u8 ExcludeUnencrypted; + + u16 CheckCountForPS; //Unit ime count for the decision to enter PS mode + u8 boHasTxActivity; //tx activity has occurred + u8 boMacPsValid; //Power save mode obtained from H/W is valid or not + + //// Rate + u8 TxRateMode; // Initial, input from Registry, may be updated by GUI + //Tx Rate Mode: auto(DTO on), max, 1M, 2M, .. + u8 CurrentTxRate; // The current Tx rate + u8 CurrentTxRateForMng; // The current Tx rate for management frames + // It will be decided before connection succeeds. + u8 CurrentTxFallbackRate; + + //for Rate handler + u8 BRateSet[32]; //basic rate set + u8 SRateSet[32]; //support rate set + + u8 NumOfBRate; + u8 NumOfSRate; + u8 NumOfDsssRateInSRate; //number of DSSS rates in supported rate set + u8 reserved1; + + u32 dwBasicRateBitmap; //bit map of basic rates + u32 dwSupportRateBitmap; //bit map of all support rates including + //basic and operational rates + + ////For SME/MLME handler + u16 wOldSTAindex; // valid when boHandover=TRUE, store old connected STA index + u16 wConnectedSTAindex; // Index of peerly connected AP or IBSS in + // the descriptionset. + u16 Association_ID; // The Association ID in the (Re)Association + // Response frame. + u16 ListenInterval; // The listen interval when SME invoking MLME_ + // (Re)Associate_Request(). + + RadioOff RadioOffStatus; + u8 Reserved0[2]; + + u8 boMsRadioOff; // Ndis demands to be true when set Disassoc. OID and be false when set SSID OID. + u8 boAntennaDiversity; //TRUE/ON or FALSE/OFF + u8 bAntennaNo; //which antenna + u8 bConnectFlag; //the connect status flag for roaming task + + u8 RoamStatus; + u8 reserved7[3]; + + ChanInfo CurrentChan; //Current channel no. and channel band. It may be changed by scanning. + u8 boHandover; // Roaming, Hnadover to other AP. + u8 boCCAbusy; + + u16 CWMax; // It may not be the real value that H/W used + u8 CWMin; // 255: set according to 802.11 spec. + u8 reserved2; + + //11G: + u8 bMacOperationMode; // operation in 802.11b or 802.11g + u8 bSlotTimeMode; //AUTO, s32 + u8 bPreambleMode; //AUTO, s32 + u8 boNonERPpresent; + + u8 boProtectMechanism; // H/W will take the necessary action based on this variable + u8 boShortPreamble; // H/W will take the necessary action based on this variable + u8 boShortSlotTime; // H/W will take the necessary action based on this variable + u8 reserved_3; + + u32 RSN_IE_Bitmap; //added by WS + u32 RSN_OUI_Type; //added by WS + + //For the BSSID + u8 HwBssid[MAC_ADDR_LENGTH + 2]; + u32 HwBssidValid; + + //For scan list + u8 BssListCount; //Total count of valid descriptor indexes + u8 boReceiveUncorrectInfo; //important settings in beacon/probe resp. have been changed + u8 NoOfJoinerInIbss; + u8 reserved_4; + + u8 BssListIndex[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ]; //Store the valid descriptor indexes obtained from scannings + u8 JoinerInIbss[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ]; //save the BssDescriptor index in this + //IBSS. The index 0 is local descriptor + //(psLOCAL->wConnectedSTAindex). + //If CONNECTED : NoOfJoinerInIbss >=2 + // else : NoOfJoinerInIbss <=1 + + //// General Statistics, count at Rx_handler or Tx_callback interrupt handler + u64 GS_XMIT_OK; // Good Frames Transmitted + u64 GS_RCV_OK; // Good Frames Received + u32 GS_RCV_ERROR; // Frames received with crc error + u32 GS_XMIT_ERROR; // Bad Frames Transmitted + u32 GS_RCV_NO_BUFFER; // Receive Buffer underrun + u32 GS_XMIT_ONE_COLLISION; // one collision + u32 GS_XMIT_MORE_COLLISIONS;// more collisions + + //================================================================ + // Statistics (no matter whether it had done successfully) -wkchen + //================================================================ + u32 _NumRxMSDU; + u32 _NumTxMSDU; + u32 _dot11WEPExcludedCount; + u32 _dot11WEPUndecryptableCount; + u32 _dot11FrameDuplicateCount; + + ChanInfo IbssChanSetting; // 2B. Start IBSS Channel setting by registry or WWU. + u8 reserved_5[2]; //It may not be used after considering RF type, + //region and modulation type. + + CHAN_LIST sSupportChanList; // 86B. It will be obtained according to RF type and region + u8 reserved_6[2]; //two variables are for wep key error detection added by ws 02/02/04 + + u32 bWepKeyError; + u32 bToSelfPacketReceived; + u32 WepKeyDetectTimerCount; + + Event_Log EventLog; + + u16 SignalLostTh; + u16 SignalRoamTh; + + // 20061108 WPS IE Append + u8 IE_Append_data[MAX_IE_APPEND_SIZE]; + u16 IE_Append_size; + u16 reserved_7; + +} WB_LOCALDESCRIPT, *PWB_LOCALDESCRIPT; + + diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h new file mode 100644 index 000000000000..031d2cb6cd63 --- /dev/null +++ b/drivers/staging/winbond/mac_structures.h @@ -0,0 +1,670 @@ +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// MAC_Structures.h +// +// This file contains the definitions and data structures used by SW-MAC. +// +// Revision Histoy +//================= +// 0.1 2002 UN00 +// 0.2 20021004 PD43 CCLiu6 +// 20021018 PD43 CCLiu6 +// Add enum_TxRate type +// Modify enum_STAState type +// 0.3 20021023 PE23 CYLiu update MAC session struct +// 20021108 +// 20021122 PD43 Austin +// Deleted some unused. +// 20021129 PD43 Austin +// 20030617 increase the 802.11g definition +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +#ifndef _MAC_Structures_H_ +#define _MAC_Structures_H_ + + +//========================================================= +// Some miscellaneous definitions +//----- +#define MAX_CHANNELS 30 +#define MAC_ADDR_LENGTH 6 +#define MAX_WEP_KEY_SIZE 16 // 128 bits +#define MAX_802_11_FRAGMENT_NUMBER 10 // By spec + +//======================================================== +// 802.11 Frame define +//----- +#define MASK_PROTOCOL_VERSION_TYPE 0x0F +#define MASK_FRAGMENT_NUMBER 0x000F +#define SEQUENCE_NUMBER_SHIFT 4 +#define DIFFER_11_TO_3 18 +#define DOT_11_MAC_HEADER_SIZE 24 +#define DOT_11_SNAP_SIZE 6 +#define DOT_11_DURATION_OFFSET 2 +#define DOT_11_SEQUENCE_OFFSET 22 //Sequence control offset +#define DOT_11_TYPE_OFFSET 30 //The start offset of 802.11 Frame// +#define DOT_11_DATA_OFFSET 24 +#define DOT_11_DA_OFFSET 4 +#define DOT_3_TYPE_ARP 0x80F3 +#define DOT_3_TYPE_IPX 0x8137 +#define DOT_3_TYPE_OFFSET 12 + + +#define ETHERNET_HEADER_SIZE 14 +#define MAX_ETHERNET_PACKET_SIZE 1514 + + +//----- management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST 0x00 +#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE 0x10 +#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST 0x20 +#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30 +#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST 0x40 +#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE 0x50 +#define MAC_SUBTYPE_MNGMNT_BEACON 0x80 +#define MAC_SUBTYPE_MNGMNT_ATIM 0x90 +#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION 0xA0 +#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION 0xB0 +#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0 + +//----- control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_CONTROL_PSPOLL 0xA4 +#define MAC_SUBTYPE_CONTROL_RTS 0xB4 +#define MAC_SUBTYPE_CONTROL_CTS 0xC4 +#define MAC_SUBTYPE_CONTROL_ACK 0xD4 +#define MAC_SUBTYPE_CONTROL_CFEND 0xE4 +#define MAC_SUBTYPE_CONTROL_CFEND_CFACK 0xF4 + +//----- data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7) +#define MAC_SUBTYPE_DATA 0x08 +#define MAC_SUBTYPE_DATA_CFACK 0x18 +#define MAC_SUBTYPE_DATA_CFPOLL 0x28 +#define MAC_SUBTYPE_DATA_CFACK_CFPOLL 0x38 +#define MAC_SUBTYPE_DATA_NULL 0x48 +#define MAC_SUBTYPE_DATA_CFACK_NULL 0x58 +#define MAC_SUBTYPE_DATA_CFPOLL_NULL 0x68 +#define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL 0x78 + +//----- Frame Type of Bits (2, 3) +#define MAC_TYPE_MANAGEMENT 0x00 +#define MAC_TYPE_CONTROL 0x04 +#define MAC_TYPE_DATA 0x08 + +//----- definitions for Management Frame Element ID (1 BYTE) +#define ELEMENT_ID_SSID 0 +#define ELEMENT_ID_SUPPORTED_RATES 1 +#define ELEMENT_ID_FH_PARAMETER_SET 2 +#define ELEMENT_ID_DS_PARAMETER_SET 3 +#define ELEMENT_ID_CF_PARAMETER_SET 4 +#define ELEMENT_ID_TIM 5 +#define ELEMENT_ID_IBSS_PARAMETER_SET 6 +// 7~15 reserverd +#define ELEMENT_ID_CHALLENGE_TEXT 16 +// 17~31 reserved for challenge text extension +// 32~255 reserved +//-- 11G -- +#define ELEMENT_ID_ERP_INFORMATION 42 +#define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50 + +//-- WPA -- + +#define ELEMENT_ID_RSN_WPA 221 +#ifdef _WPA2_ +#define ELEMENT_ID_RSN_WPA2 48 +#endif //endif WPA2 + +#define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT ((u16) 6) +#define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT ((u16) 2) + +#ifdef WB_LINUX +#define UNALIGNED +#endif + +//======================================================== +typedef enum enum_PowerManagementMode +{ + ACTIVE = 0, + POWER_SAVE +} WB_PM_Mode, *PWB_PM_MODE; + +//=================================================================== +// Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen +// length of ReasonCode is 2 Octs. +//=================================================================== +#define REASON_REASERED 0 +#define REASON_UNSPECIDIED 1 +#define REASON_PREAUTH_INVALID 2 +#define DEAUTH_REASON_LEFT_BSS 3 +#define DISASS_REASON_AP_INACTIVE 4 +#define DISASS_REASON_AP_BUSY 5 +#define REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6 +#define REASON_CLASS3_FRAME_FROM_NONASSO_STA 7 +#define DISASS_REASON_LEFT_BSS 8 +#define REASON_NOT_AUTH_YET 9 +//802.11i define +#define REASON_INVALID_IE 13 +#define REASON_MIC_ERROR 14 +#define REASON_4WAY_HANDSHAKE_TIMEOUT 15 +#define REASON_GROUPKEY_UPDATE_TIMEOUT 16 +#define REASON_IE_DIFF_4WAY_ASSOC 17 +#define REASON_INVALID_MULTICAST_CIPHER 18 +#define REASON_INVALID_UNICAST_CIPHER 19 +#define REASON_INVALID_AKMP 20 +#define REASON_UNSUPPORTED_RSNIE_VERSION 21 +#define REASON_INVALID_RSNIE_CAPABILITY 22 +#define REASON_802_1X_AUTH_FAIL 23 +#define REASON_CIPHER_REJECT_PER_SEC_POLICY 14 + +/* +//=========================================================== +// enum_MMPDUResultCode -- +// Status code (2 Octs) in the MMPDU's frame body. Table.19 +// +//=========================================================== +enum enum_MMPDUResultCode +{ +// SUCCESS = 0, // Redefined + UNSPECIFIED_FAILURE = 1, + + // 2 - 9 Reserved + + NOT_SUPPROT_CAPABILITIES = 10, + + //REASSOCIATION_DENIED + // + REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST = 11, + + //ASSOCIATION_DENIED_NOT_IN_STANDARD + // + ASSOC_DENIED_REASON_NOT_IN_STANDARD = 12, + PEER_NOT_SUPPORT_AUTH_ALGORITHM = 13, + AUTH_SEQNUM_OUT_OF_EXPECT = 14, + AUTH_REJECT_REASON_CHALLENGE_FAIL = 15, + AUTH_REJECT_REASON_WAIT_TIMEOUT = 16, + ASSOC_DENIED_REASON_AP_BUSY = 17, + ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE = 18 +} WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE; +*/ + +//=========================================================== +// enum_TxRate -- +// Define the transmission constants based on W89C32 MAC +// target specification. +//=========================================================== +typedef enum enum_TxRate +{ + TXRATE_1M = 0, + TXRATE_2MLONG = 2, + TXRATE_2MSHORT = 3, + TXRATE_55MLONG = 4, + TXRATE_55MSHORT = 5, + TXRATE_11MLONG = 6, + TXRATE_11MSHORT = 7, + TXRATE_AUTO = 255 // PD43 20021108 +} WB_TXRATE, *PWB_TXRATE; + + +#define RATE_BITMAP_1M 1 +#define RATE_BITMAP_2M 2 +#define RATE_BITMAP_5dot5M 5 +#define RATE_BITMAP_6M 6 +#define RATE_BITMAP_9M 9 +#define RATE_BITMAP_11M 11 +#define RATE_BITMAP_12M 12 +#define RATE_BITMAP_18M 18 +#define RATE_BITMAP_22M 22 +#define RATE_BITMAP_24M 24 +#define RATE_BITMAP_33M 17 +#define RATE_BITMAP_36M 19 +#define RATE_BITMAP_48M 25 +#define RATE_BITMAP_54M 28 + +#define RATE_AUTO 0 +#define RATE_1M 2 +#define RATE_2M 4 +#define RATE_5dot5M 11 +#define RATE_6M 12 +#define RATE_9M 18 +#define RATE_11M 22 +#define RATE_12M 24 +#define RATE_18M 36 +#define RATE_22M 44 +#define RATE_24M 48 +#define RATE_33M 66 +#define RATE_36M 72 +#define RATE_48M 96 +#define RATE_54M 108 +#define RATE_MAX 255 + +//CAPABILITY +#define CAPABILITY_ESS_BIT 0x0001 +#define CAPABILITY_IBSS_BIT 0x0002 +#define CAPABILITY_CF_POLL_BIT 0x0004 +#define CAPABILITY_CF_POLL_REQ_BIT 0x0008 +#define CAPABILITY_PRIVACY_BIT 0x0010 +#define CAPABILITY_SHORT_PREAMBLE_BIT 0x0020 +#define CAPABILITY_PBCC_BIT 0x0040 +#define CAPABILITY_CHAN_AGILITY_BIT 0x0080 +#define CAPABILITY_SHORT_SLOT_TIME_BIT 0x0400 +#define CAPABILITY_DSSS_OFDM_BIT 0x2000 + + +struct Capability_Information_Element +{ + union + { + u16 __attribute__ ((packed)) wValue; + #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian + struct _Capability + { + //-- 11G -- + u8 Reserved3 : 2; + u8 DSSS_OFDM : 1; + u8 Reserved2 : 2; + u8 Short_Slot_Time : 1; + u8 Reserved1 : 2; + u8 Channel_Agility : 1; + u8 PBCC : 1; + u8 ShortPreamble : 1; + u8 CF_Privacy : 1; + u8 CF_Poll_Request : 1; + u8 CF_Pollable : 1; + u8 IBSS : 1; + u8 ESS : 1; + } __attribute__ ((packed)) Capability; + #else + struct _Capability + { + u8 ESS : 1; + u8 IBSS : 1; + u8 CF_Pollable : 1; + u8 CF_Poll_Request : 1; + u8 CF_Privacy : 1; + u8 ShortPreamble : 1; + u8 PBCC : 1; + u8 Channel_Agility : 1; + u8 Reserved1 : 2; + //-- 11G -- + u8 Short_Slot_Time : 1; + u8 Reserved2 : 2; + u8 DSSS_OFDM : 1; + u8 Reserved3 : 2; + } __attribute__ ((packed)) Capability; + #endif + }__attribute__ ((packed)) ; +}__attribute__ ((packed)); + +struct FH_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 Dwell_Time[2]; + u8 Hop_Set; + u8 Hop_Pattern; + u8 Hop_Index; +}; + +struct DS_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 Current_Channel; +}; + +struct Supported_Rates_Element +{ + u8 Element_ID; + u8 Length; + u8 SupportedRates[8]; +}__attribute__ ((packed)); + +struct SSID_Element +{ + u8 Element_ID; + u8 Length; + u8 SSID[32]; +}__attribute__ ((packed)) ; + +struct CF_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 CFP_Count; + u8 CFP_Period; + u8 CFP_MaxDuration[2]; // in Time Units + u8 CFP_DurRemaining[2]; // in time units +}; + +struct TIM_Element +{ + u8 Element_ID; + u8 Length; + u8 DTIM_Count; + u8 DTIM_Period; + u8 Bitmap_Control; + u8 Partial_Virtual_Bitmap[251]; +}; + +struct IBSS_Parameter_Set_Element +{ + u8 Element_ID; + u8 Length; + u8 ATIM_Window[2]; +}; + +struct Challenge_Text_Element +{ + u8 Element_ID; + u8 Length; + u8 Challenge_Text[253]; +}; + +struct PHY_Parameter_Set_Element +{ +// int aSlotTime; +// int aSifsTime; + s32 aCCATime; + s32 aRxTxTurnaroundTime; + s32 aTxPLCPDelay; + s32 RxPLCPDelay; + s32 aRxTxSwitchTime; + s32 aTxRampOntime; + s32 aTxRampOffTime; + s32 aTxRFDelay; + s32 aRxRFDelay; + s32 aAirPropagationTime; + s32 aMACProcessingDelay; + s32 aPreambleLength; + s32 aPLCPHeaderLength; + s32 aMPDUDurationFactor; + s32 aMPDUMaxLength; +// int aCWmin; +// int aCWmax; +}; + +//-- 11G -- +struct ERP_Information_Element +{ + u8 Element_ID; + u8 Length; + #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian + u8 Reserved:5; //20060926 add by anson + u8 Barker_Preamble_Mode:1; + u8 Use_Protection:1; + u8 NonERP_Present:1; + #else + u8 NonERP_Present:1; + u8 Use_Protection:1; + u8 Barker_Preamble_Mode:1; + u8 Reserved:5; + #endif +}; + +struct Extended_Supported_Rates_Element +{ + u8 Element_ID; + u8 Length; + u8 ExtendedSupportedRates[255]; +}__attribute__ ((packed)); + +//WPA(802.11i draft 3.0) +#define VERSION_WPA 1 +#ifdef _WPA2_ +#define VERSION_WPA2 1 +#endif //end def _WPA2_ +#define OUI_WPA 0x00F25000 //WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type +#ifdef _WPA2_ +#define OUI_WPA2 0x00AC0F00 // for wpa2 change to 0x00ACOF04 by Ws 26/04/04 +#endif //end def _WPA2_ + +#define OUI_WPA_ADDITIONAL 0x01 +#define WLAN_MIN_RSN_WPA_LENGTH 6 //added by ws 09/10/04 +#ifdef _WPA2_ +#define WLAN_MIN_RSN_WPA2_LENGTH 2 // Fix to 2 09/14/05 +#endif //end def _WPA2_ + +#define oui_wpa (u32)(OUI_WPA|OUI_WPA_ADDITIONAL) + +#define WPA_OUI_BIG ((u32) 0x01F25000)//added by ws 09/23/04 +#define WPA_OUI_LITTLE ((u32) 0x01F25001)//added by ws 09/23/04 + +#define WPA_WPS_OUI cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204 + +//-----WPA2----- +#ifdef _WPA2_ +#define WPA2_OUI_BIG ((u32)0x01AC0F00) +#define WPA2_OUI_LITTLE ((u32)0x01AC0F01) +#endif //end def _WPA2_ + +//Authentication suite +#define OUI_AUTH_WPA_NONE 0x00 //for WPA_NONE +#define OUI_AUTH_8021X 0x01 +#define OUI_AUTH_PSK 0x02 +//Cipher suite +#define OUI_CIPHER_GROUP_KEY 0x00 //added by ws 05/21/04 +#define OUI_CIPHER_WEP_40 0x01 +#define OUI_CIPHER_TKIP 0x02 +#define OUI_CIPHER_CCMP 0x04 +#define OUI_CIPHER_WEP_104 0x05 + +typedef struct _SUITE_SELECTOR_ +{ + union + { + u8 Value[4]; + struct _SUIT_ + { + u8 OUI[3]; + u8 Type; + }SuitSelector; + }; +}SUITE_SELECTOR; + +//-- WPA -- +struct RSN_Information_Element +{ + u8 Element_ID; + u8 Length; + UNALIGNED SUITE_SELECTOR OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01 + u16 Version; + SUITE_SELECTOR GroupKeySuite; + u16 PairwiseKeySuiteCount; + SUITE_SELECTOR PairwiseKeySuite[1]; +}__attribute__ ((packed)); +struct RSN_Auth_Sub_Information_Element +{ + u16 AuthKeyMngtSuiteCount; + SUITE_SELECTOR AuthKeyMngtSuite[1]; +}__attribute__ ((packed)); + +//-- WPA2 -- +struct RSN_Capability_Element +{ + union + { + u16 __attribute__ ((packed)) wValue; + #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian + struct _RSN_Capability + { + u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201 + u16 __attribute__ ((packed)) Reserved1 : 2; + u16 __attribute__ ((packed)) GTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) PTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) No_Pairwise : 1; + u16 __attribute__ ((packed)) Pre_Auth : 1; + }__attribute__ ((packed)) RSN_Capability; + #else + struct _RSN_Capability + { + u16 __attribute__ ((packed)) Pre_Auth : 1; + u16 __attribute__ ((packed)) No_Pairwise : 1; + u16 __attribute__ ((packed)) PTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) GTK_Replay_Counter : 2; + u16 __attribute__ ((packed)) Reserved1 : 2; + u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201 + }__attribute__ ((packed)) RSN_Capability; + #endif + + }__attribute__ ((packed)) ; +}__attribute__ ((packed)) ; + +#ifdef _WPA2_ +typedef struct _PMKID +{ + u8 pValue[16]; +}PMKID; + +struct WPA2_RSN_Information_Element +{ + u8 Element_ID; + u8 Length; + u16 Version; + SUITE_SELECTOR GroupKeySuite; + u16 PairwiseKeySuiteCount; + SUITE_SELECTOR PairwiseKeySuite[1]; + +}__attribute__ ((packed)); + +struct WPA2_RSN_Auth_Sub_Information_Element +{ + u16 AuthKeyMngtSuiteCount; + SUITE_SELECTOR AuthKeyMngtSuite[1]; +}__attribute__ ((packed)); + + +struct PMKID_Information_Element +{ + u16 PMKID_Count; + PMKID pmkid [16] ; +}__attribute__ ((packed)); + +#endif //enddef _WPA2_ +//============================================================ +// MAC Frame structure (different type) and subfield structure +//============================================================ +struct MAC_frame_control +{ + u8 mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype] + #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian + u8 order:1; + u8 WEP:1; + u8 more_data:1; + u8 pwr_mgt:1; + u8 retry:1; + u8 more_frag:1; + u8 from_ds:1; + u8 to_ds:1; + #else + u8 to_ds:1; + u8 from_ds:1; + u8 more_frag:1; + u8 retry:1; + u8 pwr_mgt:1; + u8 more_data:1; + u8 WEP:1; + u8 order:1; + #endif +} __attribute__ ((packed)); + +struct Management_Frame { + struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0 + u16 duration; + u8 DA[MAC_ADDR_LENGTH]; // Addr1 + u8 SA[MAC_ADDR_LENGTH]; // Addr2 + u8 BSSID[MAC_ADDR_LENGTH]; // Addr3 + u16 Sequence_Control; + // Management Frame Body <= 325 bytes + // FCS 4 bytes +}__attribute__ ((packed)); + +// SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it. +struct Control_Frame { + struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0 + u16 duration; + u8 RA[MAC_ADDR_LENGTH]; + u8 TA[MAC_ADDR_LENGTH]; + u16 FCS; +}__attribute__ ((packed)); + +struct Data_Frame { + struct MAC_frame_control frame_control; + u16 duration; + u8 Addr1[MAC_ADDR_LENGTH]; + u8 Addr2[MAC_ADDR_LENGTH]; + u8 Addr3[MAC_ADDR_LENGTH]; + u16 Sequence_Control; + u8 Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1 + // Data Frame Body <= 2312 + // FCS +}__attribute__ ((packed)); + +struct Disassociation_Frame_Body +{ + u16 reasonCode; +}__attribute__ ((packed)); + +struct Association_Request_Frame_Body +{ + u16 capability_information; + u16 listenInterval; + u8 Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only + // SSID (2+32 bytes) + // Supported_Rates (2+8 bytes) +}__attribute__ ((packed)); + +struct Association_Response_Frame_Body +{ + u16 capability_information; + u16 statusCode; + u16 Association_ID; + struct Supported_Rates_Element supportedRates; +}__attribute__ ((packed)); + +/*struct Reassociation_Request_Frame_Body +{ + u16 capability_information; + u16 listenInterval; + u8 Current_AP_Address[MAC_ADDR_LENGTH]; + // SSID (2+32 bytes) + // Supported_Rates (2+8 bytes) +};*/ +// eliminated by WS 07/22/04 comboined with associateion request frame. + +struct Reassociation_Response_Frame_Body +{ + u16 capability_information; + u16 statusCode; + u16 Association_ID; + struct Supported_Rates_Element supportedRates; +}__attribute__ ((packed)); + +struct Deauthentication_Frame_Body +{ + u16 reasonCode; +}__attribute__ ((packed)); + + +struct Probe_Response_Frame_Body +{ + u16 Timestamp; + u16 Beacon_Interval; + u16 Capability_Information; + // SSID + // Supported_Rates + // PHY parameter Set (DS Parameters) + // CF parameter Set + // IBSS parameter Set +}__attribute__ ((packed)); + +struct Authentication_Frame_Body +{ + u16 algorithmNumber; + u16 sequenceNumber; + u16 statusCode; + // NB: don't include ChallengeText in this structure + // struct Challenge_Text_Element sChallengeTextElement; // wkchen added +}__attribute__ ((packed)); + + +#endif // _MAC_Structure_H_ + + diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c new file mode 100644 index 000000000000..8ce6389c4135 --- /dev/null +++ b/drivers/staging/winbond/mds.c @@ -0,0 +1,630 @@ +#include "os_common.h" + +void +Mds_reset_descriptor(PADAPTER Adapter) +{ + PMDS pMds = &Adapter->Mds; + + pMds->TxPause = 0; + pMds->TxThreadCount = 0; + pMds->TxFillIndex = 0; + pMds->TxDesIndex = 0; + pMds->ScanTxPause = 0; + memset(pMds->TxOwner, 0, ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03)); +} + +unsigned char +Mds_initial(PADAPTER Adapter) +{ + PMDS pMds = &Adapter->Mds; + + pMds->TxPause = FALSE; + pMds->TxRTSThreshold = DEFAULT_RTSThreshold; + pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; + + vRxTimerInit(Adapter);//for WPA countermeasure + + return hal_get_tx_buffer( &Adapter->sHwData, &pMds->pTxBuffer ); +} + +void +Mds_Destroy(PADAPTER Adapter) +{ + vRxTimerStop(Adapter); +} + +void +Mds_Tx(PADAPTER Adapter) +{ + phw_data_t pHwData = &Adapter->sHwData; + PMDS pMds = &Adapter->Mds; + DESCRIPTOR TxDes; + PDESCRIPTOR pTxDes = &TxDes; + PUCHAR XmitBufAddress; + u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold; + u8 FillIndex, TxDesIndex, FragmentCount, FillCount; + unsigned char BufferFilled = FALSE, MICAdd = 0; + + + if (pMds->TxPause) + return; + if (!hal_driver_init_OK(pHwData)) + return; + + //Only one thread can be run here + if (!OS_ATOMIC_INC( Adapter, &pMds->TxThreadCount) == 1) + goto cleanup; + + // Start to fill the data + do { + FillIndex = pMds->TxFillIndex; + if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No +#ifdef _PE_TX_DUMP_ + WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n")); +#endif + break; + } + + XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer + XmitBufSize = 0; + FillCount = 0; + do { + PacketSize = Adapter->sMlmeFrame.len; + if (!PacketSize) + break; + + //For Check the buffer resource + FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; + //931130.5.b + FragmentCount = PacketSize/FragmentThreshold + 1; + stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC + if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) { + printk("[Mds_Tx] Excess max tx buffer.\n"); + break; // buffer is not enough + } + + + // + // Start transmitting + // + BufferFilled = TRUE; + + /* Leaves first u8 intact */ + memset((PUCHAR)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1); + + TxDesIndex = pMds->TxDesIndex;//Get the current ID + pTxDes->Descriptor_ID = TxDesIndex; + pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from + pMds->TxDesIndex++; + pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR; + + MLME_GetNextPacket( Adapter, pTxDes ); + + // Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type + Mds_HeaderCopy( Adapter, pTxDes, XmitBufAddress ); + + // For speed up Key setting + if (pTxDes->EapFix) { +#ifdef _PE_TX_DUMP_ + WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize)); +#endif + pHwData->IsKeyPreSet = 1; + } + + // Copy (fragment) frame body, and set USB, 802.11 hdr flag + CurrentSize = Mds_BodyCopy(Adapter, pTxDes, XmitBufAddress); + + // Set RTS/CTS and Normal duration field into buffer + Mds_DurationSet(Adapter, pTxDes, XmitBufAddress); + + // + // Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte + // 931130.5.e + if (MICAdd) + Mds_MicFill( Adapter, pTxDes, XmitBufAddress ); + + //Shift to the next address + XmitBufSize += CurrentSize; + XmitBufAddress += CurrentSize; + +#ifdef _IBSS_BEACON_SEQ_STICK_ + if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr +#endif + pMds->TxToggle = TRUE; + + // Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data + MLME_SendComplete(Adapter, 0, TRUE); + + // Software TSC count 20060214 + pMds->TxTsc++; + if (pMds->TxTsc == 0) + pMds->TxTsc_2++; + + FillCount++; // 20060928 + } while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. FALSE = single TRUE = multiple sending + + // Move to the next one, if necessary + if (BufferFilled) { + // size setting + pMds->TxBufferSize[ FillIndex ] = XmitBufSize; + + // 20060928 set Tx count + pMds->TxCountInBuffer[FillIndex] = FillCount; + + // Set owner flag + pMds->TxOwner[FillIndex] = 1; + + pMds->TxFillIndex++; + pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER; + BufferFilled = FALSE; + } else + break; + + if (!PacketSize) // No more pk for transmitting + break; + + } while(TRUE); + + // + // Start to send by lower module + // + if (!pHwData->IsKeyPreSet) + Wb35Tx_start(pHwData); + + cleanup: + OS_ATOMIC_DEC( Adapter, &pMds->TxThreadCount ); +} + +void +Mds_SendComplete(PADAPTER Adapter, PT02_DESCRIPTOR pT02) +{ + PMDS pMds = &Adapter->Mds; + phw_data_t pHwData = &Adapter->sHwData; + u8 PacketId = (u8)pT02->T02_Tx_PktID; + unsigned char SendOK = TRUE; + u8 RetryCount, TxRate; + + if (pT02->T02_IgnoreResult) // Don't care the result + return; + if (pT02->T02_IsLastMpdu) { + //TODO: DTO -- get the retry count and fragment count + // Tx rate + TxRate = pMds->TxRate[ PacketId ][ 0 ]; + RetryCount = (u8)pT02->T02_MPDU_Cnt; + if (pT02->value & FLAG_ERROR_TX_MASK) { + SendOK = FALSE; + + if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) { + //retry error + pHwData->dto_tx_retry_count += (RetryCount+1); + //[for tx debug] + if (RetryCount<7) + pHwData->tx_retry_count[RetryCount] += RetryCount; + else + pHwData->tx_retry_count[7] += RetryCount; + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count)); + #endif + MTO_SetTxCount(Adapter, TxRate, RetryCount); + } + pHwData->dto_tx_frag_count += (RetryCount+1); + + //[for tx debug] + if (pT02->T02_transmit_abort_due_to_TBTT) + pHwData->tx_TBTT_start_count++; + if (pT02->T02_transmit_without_encryption_due_to_wep_on_false) + pHwData->tx_WepOn_false_count++; + if (pT02->T02_discard_due_to_null_wep_key) + pHwData->tx_Null_key_count++; + } else { + if (pT02->T02_effective_transmission_rate) + pHwData->tx_ETR_count++; + MTO_SetTxCount(Adapter, TxRate, RetryCount); + } + + // Clear send result buffer + pMds->TxResult[ PacketId ] = 0; + } else + pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff)); +} + +void +Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer) +{ + PMDS pMds = &Adapter->Mds; + PUCHAR src_buffer = pDes->buffer_address[0];//931130.5.g + PT00_DESCRIPTOR pT00; + PT01_DESCRIPTOR pT01; + u16 stmp; + u8 i, ctmp1, ctmp2, ctmpf; + u16 FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; + + + stmp = pDes->buffer_total_size; + // + // Set USB header 8 byte + // + pT00 = (PT00_DESCRIPTOR)TargetBuffer; + TargetBuffer += 4; + pT01 = (PT01_DESCRIPTOR)TargetBuffer; + TargetBuffer += 4; + + pT00->value = 0;// Clear + pT01->value = 0;// Clear + + pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID + pT00->T00_header_length = 24;// Set header length + pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h + + // Key ID setup + pT01->T01_wep_id = 0; + + FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; //Do not fragment + // Copy full data, the 1'st buffer contain all the data 931130.5.j + memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header + pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE; + pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE; + pDes->buffer_size[0] = pDes->buffer_total_size; + + // Set fragment threshold + FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4); + pDes->FragmentThreshold = FragmentThreshold; + + // Set more frag bit + TargetBuffer[1] |= 0x04;// Set more frag bit + + // + // Set tx rate + // + stmp = *(PUSHORT)(TargetBuffer+30); // 2n alignment address + + //Use basic rate + ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG; + + pDes->TxRate = ctmp1; + #ifdef _PE_TX_DUMP_ + WBDEBUG(("Tx rate =%x\n", ctmp1)); + #endif + + pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1; + + for( i=0; i<2; i++ ) { + if( i == 1 ) + ctmp1 = ctmpf; + + pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate + + if( ctmp1 == 108) ctmp2 = 7; + else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB + else if( ctmp1 == 72 ) ctmp2 = 5; + else if( ctmp1 == 48 ) ctmp2 = 4; + else if( ctmp1 == 36 ) ctmp2 = 3; + else if( ctmp1 == 24 ) ctmp2 = 2; + else if( ctmp1 == 18 ) ctmp2 = 1; + else if( ctmp1 == 12 ) ctmp2 = 0; + else if( ctmp1 == 22 ) ctmp2 = 3; + else if( ctmp1 == 11 ) ctmp2 = 2; + else if( ctmp1 == 4 ) ctmp2 = 1; + else ctmp2 = 0; // if( ctmp1 == 2 ) or default + + if( i == 0 ) + pT01->T01_transmit_rate = ctmp2; + else + pT01->T01_fall_back_rate = ctmp2; + } + + // + // Set preamble type + // + if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) // RATE_1M + pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG; + else + pDes->PreambleMode = CURRENT_PREAMBLE_MODE; + pT01->T01_plcp_header_length = pDes->PreambleMode; // Set preamble + +} + +// The function return the 4n size of usb pk +u16 +Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer) +{ + PT00_DESCRIPTOR pT00; + PMDS pMds = &Adapter->Mds; + PUCHAR buffer, src_buffer, pctmp; + u16 Size = 0; + u16 SizeLeft, CopySize, CopyLeft, stmp; + u8 buf_index, FragmentCount = 0; + + + // Copy fragment body + buffer = TargetBuffer; // shift 8B usb + 24B 802.11 + SizeLeft = pDes->buffer_total_size; + buf_index = pDes->buffer_start_index; + + pT00 = (PT00_DESCRIPTOR)buffer; + while (SizeLeft) { + pT00 = (PT00_DESCRIPTOR)buffer; + CopySize = SizeLeft; + if (SizeLeft > pDes->FragmentThreshold) { + CopySize = pDes->FragmentThreshold; + pT00->T00_frame_length = 24 + CopySize;//Set USB length + } else + pT00->T00_frame_length = 24 + SizeLeft;//Set USB length + + SizeLeft -= CopySize; + + // 1 Byte operation + pctmp = (PUCHAR)( buffer + 8 + DOT_11_SEQUENCE_OFFSET ); + *pctmp &= 0xf0; + *pctmp |= FragmentCount;//931130.5.m + if( !FragmentCount ) + pT00->T00_first_mpdu = 1; + + buffer += 32; // 8B usb + 24B 802.11 header + Size += 32; + + // Copy into buffer + stmp = CopySize + 3; + stmp &= ~0x03;//4n Alignment + Size += stmp;// Current 4n offset of mpdu + + while (CopySize) { + // Copy body + src_buffer = pDes->buffer_address[buf_index]; + CopyLeft = CopySize; + if (CopySize >= pDes->buffer_size[buf_index]) { + CopyLeft = pDes->buffer_size[buf_index]; + + // Get the next buffer of descriptor + buf_index++; + buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX; + } else { + PUCHAR pctmp = pDes->buffer_address[buf_index]; + pctmp += CopySize; + pDes->buffer_address[buf_index] = pctmp; + pDes->buffer_size[buf_index] -= CopySize; + } + + memcpy(buffer, src_buffer, CopyLeft); + buffer += CopyLeft; + CopySize -= CopyLeft; + } + + // 931130.5.n + if (pMds->MicAdd) { + if (!SizeLeft) { + pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd; + pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd; + pMds->MicAdd = 0; + } + else if( SizeLeft < 8 ) //931130.5.p + { + pMds->MicAdd = SizeLeft; + pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft ); + pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft; + pMds->MicWriteIndex++; + } + } + + // Does it need to generate the new header for next mpdu? + if (SizeLeft) { + buffer = TargetBuffer + Size; // Get the next 4n start address + memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11 + pT00 = (PT00_DESCRIPTOR)buffer; + pT00->T00_first_mpdu = 0; + } + + FragmentCount++; + } + + pT00->T00_last_mpdu = 1; + pT00->T00_IsLastMpdu = 1; + buffer = (PUCHAR)pT00 + 8; // +8 for USB hdr + buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control + pDes->FragmentCount = FragmentCount; // Update the correct fragment number + return Size; +} + + +void +Mds_DurationSet( PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR buffer ) +{ + PT00_DESCRIPTOR pT00; + PT01_DESCRIPTOR pT01; + u16 Duration, NextBodyLen, OffsetSize; + u8 Rate, i; + unsigned char CTS_on = FALSE, RTS_on = FALSE; + PT00_DESCRIPTOR pNextT00; + u16 BodyLen; + unsigned char boGroupAddr = FALSE; + + + OffsetSize = pDes->FragmentThreshold + 32 + 3; + OffsetSize &= ~0x03; + Rate = pDes->TxRate >> 1; + if (!Rate) + Rate = 1; + + pT00 = (PT00_DESCRIPTOR)buffer; + pT01 = (PT01_DESCRIPTOR)(buffer+4); + pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); + + if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr + boGroupAddr = TRUE; + + //======================================== + // Set RTS/CTS mechanism + //======================================== + if (!boGroupAddr) + { + //NOTE : If the protection mode is enabled and the MSDU will be fragmented, + // the tx rates of MPDUs will all be DSSS rates. So it will not use + // CTS-to-self in this case. CTS-To-self will only be used when without + // fragmentation. -- 20050112 + BodyLen = (u16)pT00->T00_frame_length; //include 802.11 header + BodyLen += 4; //CRC + + if( BodyLen >= CURRENT_RTS_THRESHOLD ) + RTS_on = TRUE; // Using RTS + else + { + if( pT01->T01_modulation_type ) // Is using OFDM + { + if( CURRENT_PROTECT_MECHANISM ) // Is using protect + CTS_on = TRUE; // Using CTS + } + } + } + + if( RTS_on || CTS_on ) + { + if( pT01->T01_modulation_type) // Is using OFDM + { + //CTS duration + // 2 SIFS + DATA transmit time + 1 ACK + // ACK Rate : 24 Mega bps + // ACK frame length = 14 bytes + Duration = 2*DEFAULT_SIFSTIME + + 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + + ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym + + ((112 + 22 + 95)/96)*Tsym; + } + else //DSSS + { + //CTS duration + // 2 SIFS + DATA transmit time + 1 ACK + // Rate : ?? Mega bps + // ACK frame length = 14 bytes + if( pT01->T01_plcp_header_length ) //long preamble + Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2; + else + Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2; + + Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate + + DEFAULT_SIFSTIME*2 ); + } + + if( RTS_on ) + { + if( pT01->T01_modulation_type ) // Is using OFDM + { + //CTS + 1 SIFS + CTS duration + //CTS Rate : 24 Mega bps + //CTS frame length = 14 bytes + Duration += (DEFAULT_SIFSTIME + + PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + + ((112 + 22 + 95)/96)*Tsym); + } + else + { + //CTS + 1 SIFS + CTS duration + //CTS Rate : ?? Mega bps + //CTS frame length = 14 bytes + if( pT01->T01_plcp_header_length ) //long preamble + Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; + else + Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; + + Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME ); + } + } + + // Set the value into USB descriptor + pT01->T01_add_rts = RTS_on ? 1 : 0; + pT01->T01_add_cts = CTS_on ? 1 : 0; + pT01->T01_rts_cts_duration = Duration; + } + + //===================================== + // Fill the more fragment descriptor + //===================================== + if( boGroupAddr ) + Duration = 0; + else + { + for( i=pDes->FragmentCount-1; i>0; i-- ) + { + NextBodyLen = (u16)pNextT00->T00_frame_length; + NextBodyLen += 4; //CRC + + if( pT01->T01_modulation_type ) + { + //OFDM + // data transmit time + 3 SIFS + 2 ACK + // Rate : ??Mega bps + // ACK frame length = 14 bytes, tx rate = 24M + Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3; + Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym + + (((2*14)*8 + 22 + 95)/96)*Tsym + + DEFAULT_SIFSTIME*3); + } + else + { + //DSSS + // data transmit time + 2 ACK + 3 SIFS + // Rate : ??Mega bps + // ACK frame length = 14 bytes + //TODO : + if( pT01->T01_plcp_header_length ) //long preamble + Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3; + else + Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3; + + Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate + + DEFAULT_SIFSTIME*3 ); + } + + ((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration + + //----20061009 add by anson's endian + pNextT00->value = cpu_to_le32(pNextT00->value); + pT01->value = cpu_to_le32( pT01->value ); + //----end 20061009 add by anson's endian + + buffer += OffsetSize; + pT01 = (PT01_DESCRIPTOR)(buffer+4); + if (i != 1) //The last fragment will not have the next fragment + pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); + } + + //===================================== + // Fill the last fragment descriptor + //===================================== + if( pT01->T01_modulation_type ) + { + //OFDM + // 1 SIFS + 1 ACK + // Rate : 24 Mega bps + // ACK frame length = 14 bytes + Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION; + //The Tx rate of ACK use 24M + Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME ); + } + else + { + // DSSS + // 1 ACK + 1 SIFS + // Rate : ?? Mega bps + // ACK frame length = 14 bytes(112 bits) + if( pT01->T01_plcp_header_length ) //long preamble + Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; + else + Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; + + Duration += ( (112 + Rate-1)/Rate + DEFAULT_SIFSTIME ); + } + } + + ((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration + pT00->value = cpu_to_le32(pT00->value); + pT01->value = cpu_to_le32(pT01->value); + //--end 20061009 add + +} + +void MDS_EthernetPacketReceive( PADAPTER Adapter, PRXLAYER1 pRxLayer1 ) +{ + OS_RECEIVE_PACKET_INDICATE( Adapter, pRxLayer1 ); +} + + diff --git a/drivers/staging/winbond/mds_f.h b/drivers/staging/winbond/mds_f.h new file mode 100644 index 000000000000..651188be1065 --- /dev/null +++ b/drivers/staging/winbond/mds_f.h @@ -0,0 +1,33 @@ +unsigned char Mds_initial( PADAPTER Adapter ); +void Mds_Destroy( PADAPTER Adapter ); +void Mds_Tx( PADAPTER Adapter ); +void Mds_HeaderCopy( PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer ); +u16 Mds_BodyCopy( PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer ); +void Mds_DurationSet( PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer ); +void Mds_SendComplete( PADAPTER Adapter, PT02_DESCRIPTOR pT02 ); +void Mds_MpduProcess( PADAPTER Adapter, PDESCRIPTOR pRxDes ); +void Mds_reset_descriptor( PADAPTER Adapter ); +extern void DataDmp(u8 *pdata, u32 len, u32 offset); + + +void vRxTimerInit(PWB32_ADAPTER Adapter); +void vRxTimerStart(PWB32_ADAPTER Adapter, int timeout_value); +void RxTimerHandler_1a( PADAPTER Adapter); +void vRxTimerStop(PWB32_ADAPTER Adapter); +void RxTimerHandler( void* SystemSpecific1, + PWB32_ADAPTER Adapter, + void* SystemSpecific2, + void* SystemSpecific3); + + +// For Asynchronous indicating. The routine collocates with USB. +void Mds_MsduProcess( PWB32_ADAPTER Adapter, PRXLAYER1 pRxLayer1, u8 SlotIndex); + +// For data frame sending 20060802 +u16 MDS_GetPacketSize( PADAPTER Adapter ); +void MDS_GetNextPacket( PADAPTER Adapter, PDESCRIPTOR pDes ); +void MDS_GetNextPacketComplete( PADAPTER Adapter, PDESCRIPTOR pDes ); +void MDS_SendResult( PADAPTER Adapter, u8 PacketId, unsigned char SendOK ); +void MDS_EthernetPacketReceive( PADAPTER Adapter, PRXLAYER1 pRxLayer1 ); + + diff --git a/drivers/staging/winbond/mds_s.h b/drivers/staging/winbond/mds_s.h new file mode 100644 index 000000000000..4738279d5f39 --- /dev/null +++ b/drivers/staging/winbond/mds_s.h @@ -0,0 +1,183 @@ +//////////////////////////////////////////////////////////////////////////////////////////////////////// +#define MAX_USB_TX_DESCRIPTOR 15 // IS89C35 ability +#define MAX_USB_TX_BUFFER_NUMBER 4 // Virtual pre-buffer number of MAX_USB_TX_BUFFER +#define MAX_USB_TX_BUFFER 4096 // IS89C35 ability 4n alignment is required for hardware + +#define MDS_EVENT_INDICATE( _A, _B, _F ) OS_EVENT_INDICATE( _A, _B, _F ) +#define AUTH_REQUEST_PAIRWISE_ERROR 0 // _F flag setting +#define AUTH_REQUEST_GROUP_ERROR 1 // _F flag setting + +// For variable setting +#define CURRENT_BSS_TYPE psBSS(psLOCAL->wConnectedSTAindex)->bBssType +#define CURRENT_WEP_MODE psSME->_dot11PrivacyInvoked +#define CURRENT_BSSID psBSS(psLOCAL->wConnectedSTAindex)->abBssID +#define CURRENT_DESIRED_WPA_ENABLE ((psSME->bDesiredAuthMode==WPA_AUTH)||(psSME->bDesiredAuthMode==WPAPSK_AUTH)) +#ifdef _WPA2_ +#define CURRENT_DESIRED_WPA2_ENABLE ((psSME->bDesiredAuthMode==WPA2_AUTH)||(psSME->bDesiredAuthMode==WPA2PSK_AUTH)) +#endif //end def _WPA2_ +#define CURRENT_PAIRWISE_KEY_OK psSME->pairwise_key_ok +//[20040712 WS] +#define CURRENT_GROUP_KEY_OK psSME->group_key_ok +#define CURRENT_PAIRWISE_KEY psSME->tx_mic_key +#define CURRENT_GROUP_KEY psSME->group_tx_mic_key +#define CURRENT_ENCRYPT_STATUS psSME->encrypt_status +#define CURRENT_WEP_ID Adapter->sSmePara._dot11WEPDefaultKeyID +#define CURRENT_CONTROL_PORT_BLOCK ( psSME->wpa_ok!=1 || (Adapter->Mds.boCounterMeasureBlock==1 && (CURRENT_ENCRYPT_STATUS==ENCRYPT_TKIP)) ) +#define CURRENT_FRAGMENT_THRESHOLD (Adapter->Mds.TxFragmentThreshold & ~0x1) +#define CURRENT_PREAMBLE_MODE psLOCAL->boShortPreamble?WLAN_PREAMBLE_TYPE_SHORT:WLAN_PREAMBLE_TYPE_LONG +#define CURRENT_LINK_ON OS_LINK_STATUS +#define CURRENT_TX_RATE Adapter->sLocalPara.CurrentTxRate +#define CURRENT_FALL_BACK_TX_RATE Adapter->sLocalPara.CurrentTxFallbackRate +#define CURRENT_TX_RATE_FOR_MNG Adapter->sLocalPara.CurrentTxRateForMng +#define CURRENT_PROTECT_MECHANISM psLOCAL->boProtectMechanism +#define CURRENT_RTS_THRESHOLD Adapter->Mds.TxRTSThreshold + +#define MIB_GS_XMIT_OK_INC Adapter->sLocalPara.GS_XMIT_OK++ +#define MIB_GS_RCV_OK_INC Adapter->sLocalPara.GS_RCV_OK++ +#define MIB_GS_XMIT_ERROR_INC Adapter->sLocalPara.GS_XMIT_ERROR + +//---------- TX ----------------------------------- +#define ETHERNET_TX_DESCRIPTORS MAX_USB_TX_BUFFER_NUMBER + +//---------- RX ------------------------------------ +#define ETHERNET_RX_DESCRIPTORS 8 //It's not necessary to allocate more than 2 in sync indicate + +//================================================================ +// Configration default value +//================================================================ +#define DEFAULT_MULTICASTLISTMAX 32 // standard +#define DEFAULT_TX_BURSTLENGTH 3 // 32 Longwords +#define DEFAULT_RX_BURSTLENGTH 3 // 32 Longwords +#define DEFAULT_TX_THRESHOLD 0 // Full Packet +#define DEFAULT_RX_THRESHOLD 0 // Full Packet +#define DEFAULT_MAXTXRATE 6 // 11 Mbps (Long) +#define DEFAULT_CHANNEL 3 // Chennel 3 +#define DEFAULT_RTSThreshold 2347 // Disable RTS +//#define DEFAULT_PME 1 // Enable +#define DEFAULT_PME 0 // Disable +#define DEFAULT_SIFSTIME 10 +#define DEFAULT_ACKTIME_1ML 304 // 148+44+112 911220 by LCC +#define DEFAULT_ACKTIME_2ML 248 // 148+44+56 911220 by LCC +#define DEFAULT_FRAGMENT_THRESHOLD 2346 // No fragment +#define DEFAULT_PREAMBLE_LENGTH 72 +#define DEFAULT_PLCPHEADERTIME_LENGTH 24 + +/*------------------------------------------------------------------------ + 0.96 sec since time unit of the R03 for the current, W89C32 is about 60ns + instead of 960 ns. This shall be fixed in the future W89C32 + -------------------------------------------------------------------------*/ +#define DEFAULT_MAX_RECEIVE_TIME 16440000 + +#define RX_BUF_SIZE 2352 // 600 // For 301 must be multiple of 8 +#define MAX_RX_DESCRIPTORS 18 // Rx Layer 2 +#define MAX_BUFFER_QUEUE 8 // The value is always equal 8 due to NDIS_PACKET's MiniportReserved field size + + +// For brand-new rx system +#define MDS_ID_IGNORE ETHERNET_RX_DESCRIPTORS + +// For Tx Packet status classify +#define PACKET_FREE_TO_USE 0 +#define PACKET_COME_FROM_NDIS 0x08 +#define PACKET_COME_FROM_MLME 0x80 +#define PACKET_SEND_COMPLETE 0xff + +typedef struct _MDS +{ + // For Tx usage + u8 TxOwner[ ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03) ]; + PUCHAR pTxBuffer; + u16 TxBufferSize[ ((MAX_USB_TX_BUFFER_NUMBER + 1) & ~0x01) ]; + u8 TxDesFrom[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ];//931130.4.u // 1: MLME 2: NDIS control 3: NDIS data + u8 TxCountInBuffer[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ]; // 20060928 + + u8 TxFillIndex;//the next index of TxBuffer can be used + u8 TxDesIndex;//The next index of TxDes can be used + u8 ScanTxPause; //data Tx pause because the scanning is progressing, but probe request Tx won't. + u8 TxPause;//For pause the Mds_Tx modult + + OS_ATOMIC TxThreadCount;//For thread counting 931130.4.v +//950301 delete due to HW +// OS_ATOMIC TxConcurrentCount;//931130.4.w + + u16 TxResult[ ((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01) ];//Collect the sending result of Mpdu + + u8 MicRedundant[8]; // For tmp use + PUCHAR MicWriteAddress[2]; //The start address to fill the Mic, use 2 point due to Mic maybe fragment + + u16 MicWriteSize[2]; //931130.4.x + + u16 MicAdd; // If want to add the Mic, this variable equal to 8 + u16 MicWriteIndex;//The number of MicWriteAddress 931130.4.y + + u8 TxRate[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ][2]; // [0] current tx rate, [1] fall back rate + u8 TxInfo[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ]; //Store information for callback function + + //WKCHEN added for scanning mechanism + u8 TxToggle; //It is TRUE if there are tx activities in some time interval + u8 Reserved_[3]; + + //---------- for Tx Parameter + u16 TxFragmentThreshold; // For frame body only + u16 TxRTSThreshold; + + u32 MaxReceiveTime;//911220.3 Add + + // depend on OS, + u32 MulticastListNo; + u32 PacketFilter; // Setting by NDIS, the current packet filter in use. + u8 MulticastAddressesArray[DEFAULT_MULTICASTLISTMAX][MAC_ADDR_LENGTH]; + + //COUNTERMEASURE + u8 bMICfailCount; + u8 boCounterMeasureBlock; + u8 reserved_4[2]; + + //NDIS_MINIPORT_TIMER nTimer; + OS_TIMER nTimer; + + u32 TxTsc; // 20060214 + u32 TxTsc_2; // 20060214 + +} MDS, *PMDS; + + +typedef struct _RxBuffer +{ + PUCHAR pBufferAddress; // Pointer the received data buffer. + u16 BufferSize; + u8 RESERVED; + u8 BufferIndex;// Only 1 byte +} RXBUFFER, *PRXBUFFER; + +// +// Reveive Layer 1 Format. +//---------------------------- +typedef struct _RXLAYER1 +{ + u16 SequenceNumber; // The sequence number of the last received packet. + u16 BufferTotalSize; + + u32 InUsed; + u32 DecryptionMethod; // The desired defragment number of the next incoming packet. + + u8 DeFragmentNumber; + u8 FrameType; + u8 TypeEncapsulated; + u8 BufferNumber; + + u32 FirstFrameArrivedTime; + + RXBUFFER BufferQueue[ MAX_BUFFER_QUEUE ]; + + u8 LastFrameType; // 20061004 for fix intel 3945 's bug + u8 RESERVED[3]; //@@ anson + + ///////////////////////////////////////////////////////////////////////////////////////////// + // For brand-new Rx system + u8 ReservedBuffer[ 2400 ];//If Buffer ID is reserved one, it must copy the data into this area + PUCHAR ReservedBufferPoint;// Point to the next availabe address of reserved buffer + +}RXLAYER1, * PRXLAYER1; + + diff --git a/drivers/staging/winbond/mlme_mib.h b/drivers/staging/winbond/mlme_mib.h new file mode 100644 index 000000000000..89759739cbac --- /dev/null +++ b/drivers/staging/winbond/mlme_mib.h @@ -0,0 +1,84 @@ +//============================================================================ +// MLMEMIB.H - +// +// Description: +// Get and Set some of MLME MIB attributes. +// +// Revision history: +// -------------------------------------------------------------------------- +// 20030117 PD43 Austin Liu +// Initial release +// +// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved. +//============================================================================ + +#ifndef _MLME_MIB_H +#define _MLME_MIB_H + +//============================================================================ +// MLMESetExcludeUnencrypted -- +// +// Description: +// Set the dot11ExcludeUnencrypted value. +// +// Arguments: +// Adapter - The pointer to the miniport adapter context. +// ExUnencrypted - unsigned char type. The value to be set. +// +// Return values: +// None. +//============================================================================ +#define MLMESetExcludeUnencrypted(Adapter, ExUnencrypted) \ +{ \ + (Adapter)->sLocalPara.ExcludeUnencrypted = ExUnencrypted; \ +} + +//============================================================================ +// MLMEGetExcludeUnencrypted -- +// +// Description: +// Get the dot11ExcludeUnencrypted value. +// +// Arguments: +// Adapter - The pointer to the miniport adapter context. +// +// Return values: +// unsigned char type. The current dot11ExcludeUnencrypted value. +//============================================================================ +#define MLMEGetExcludeUnencrypted(Adapter) ((unsigned char) (Adapter)->sLocalPara.ExcludeUnencrypted) + +//============================================================================ +// MLMESetMaxReceiveLifeTime -- +// +// Description: +// Set the dot11MaxReceiveLifeTime value. +// +// Arguments: +// Adapter - The pointer to the miniport adapter context. +// ReceiveLifeTime- u32 type. The value to be set. +// +// Return values: +// None. +//============================================================================ +#define MLMESetMaxReceiveLifeTime(Adapter, ReceiveLifeTime) \ +{ \ + (Adapter)->Mds.MaxReceiveTime = ReceiveLifeTime; \ +} + +//============================================================================ +// MLMESetMaxReceiveLifeTime -- +// +// Description: +// Get the dot11MaxReceiveLifeTime value. +// +// Arguments: +// Adapter - The pointer to the miniport adapter context. +// +// Return values: +// u32 type. The current dot11MaxReceiveLifeTime value. +//============================================================================ +#define MLMEGetMaxReceiveLifeTime(Adapter) ((u32) (Adapter)->Mds.MaxReceiveTime) + +#endif + + diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h new file mode 100644 index 000000000000..58094f61c032 --- /dev/null +++ b/drivers/staging/winbond/mlme_s.h @@ -0,0 +1,195 @@ +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// Mlme.h +// Define the related definitions of MLME module +// history -- 01/14/03' created +// +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +#define AUTH_REJECT_REASON_CHALLENGE_FAIL 1 + +//====== the state of MLME module +#define INACTIVE 0x0 +#define IDLE_SCAN 0x1 + +//====== the state of MLME/ESS module +#define STATE_1 0x2 +#define AUTH_REQ 0x3 +#define AUTH_WEP 0x4 +#define STATE_2 0x5 +#define ASSOC_REQ 0x6 +#define STATE_3 0x7 + +//====== the state of MLME/IBSS module +#define IBSS_JOIN_SYNC 0x8 +#define IBSS_AUTH_REQ 0x9 +#define IBSS_AUTH_CHANLGE 0xa +#define IBSS_AUTH_WEP 0xb +#define IBSS_AUTH_IND 0xc +#define IBSS_STATE_2 0xd + + + +//========================================= +//depend on D5C(MAC timing control 03 register): MaxTxMSDULifeTime default 0x80000us +#define AUTH_FAIL_TIMEOUT 550 +#define ASSOC_FAIL_TIMEOUT 550 +#define REASSOC_FAIL_TIMEOUT 550 + + + +// +// MLME task global CONSTANTS, STRUCTURE, variables +// + + +///////////////////////////////////////////////////////////// +// enum_ResultCode -- +// Result code returned from MLME to SME. +// +///////////////////////////////////////////////////////////// +// PD43 20030829 Modifiled +//#define SUCCESS 0 +#define MLME_SUCCESS 0 //follow spec. +#define INVALID_PARAMETERS 1 //Not following spec. +#define NOT_SUPPPORTED 2 +#define TIMEOUT 3 +#define TOO_MANY_SIMULTANEOUS_REQUESTS 4 +#define REFUSED 5 +#define BSS_ALREADY_STARTED_OR_JOINED 6 +#define TRANSMIT_FRAME_FAIL 7 +#define NO_BSS_FOUND 8 +#define RETRY 9 +#define GIVE_UP 10 + + +#define OPEN_AUTH 0 +#define SHARE_AUTH 1 +#define ANY_AUTH 2 +#define WPA_AUTH 3 //for WPA +#define WPAPSK_AUTH 4 +#define WPANONE_AUTH 5 +///////////////////////////////////////////// added by ws 04/19/04 +#ifdef _WPA2_ +#define WPA2_AUTH 6//for WPA2 +#define WPA2PSK_AUTH 7 +#endif //end def _WPA2_ + +////////////////////////////////////////////////////////////////// +//define the msg type of MLME module +////////////////////////////////////////////////////////////////// +//-------------------------------------------------------- +//from SME + +#define MLMEMSG_AUTH_REQ 0x0b +#define MLMEMSG_DEAUTH_REQ 0x0c +#define MLMEMSG_ASSOC_REQ 0x0d +#define MLMEMSG_REASSOC_REQ 0x0e +#define MLMEMSG_DISASSOC_REQ 0x0f +#define MLMEMSG_START_IBSS_REQ 0x10 +#define MLMEMSG_IBSS_NET_CFM 0x11 + +//from RX : +#define MLMEMSG_RCV_MLMEFRAME 0x20 +#define MLMEMSG_RCV_ASSOCRSP 0x22 +#define MLMEMSG_RCV_REASSOCRSP 0x24 +#define MLMEMSG_RCV_DISASSOC 0x2b +#define MLMEMSG_RCV_AUTH 0x2c +#define MLMEMSG_RCV_DEAUTH 0x2d + + +//from TX callback +#define MLMEMSG_TX_CALLBACK 0x40 +#define MLMEMSG_ASSOCREQ_CALLBACK 0x41 +#define MLMEMSG_REASSOCREQ_CALLBACK 0x43 +#define MLMEMSG_DISASSOC_CALLBACK 0x4a +#define MLMEMSG_AUTH_CALLBACK 0x4c +#define MLMEMSG_DEAUTH_CALLBACK 0x4d + +//#define MLMEMSG_JOIN_FAIL 4 +//#define MLMEMSG_AUTHEN_FAIL 18 +#define MLMEMSG_TIMEOUT 0x50 + +/////////////////////////////////////////////////////////////////////////// +//Global data structures +#define MAX_NUM_TX_MMPDU 2 +#define MAX_MMPDU_SIZE 1512 +#define MAX_NUM_RX_MMPDU 6 + + +/////////////////////////////////////////////////////////////////////////// +//MACRO +#define boMLME_InactiveState(_AA_) (_AA_->wState==INACTIVE) +#define boMLME_IdleScanState(_BB_) (_BB_->wState==IDLE_SCAN) +#define boMLME_FoundSTAinfo(_CC_) (_CC_->wState>=IDLE_SCAN) + +typedef struct _MLME_FRAME +{ + //NDIS_PACKET MLME_Packet; + PCHAR pMMPDU; + u16 len; + u8 DataType; + u8 IsInUsed; + + OS_SPIN_LOCK MLMESpinLock; + + u8 TxMMPDU[MAX_NUM_TX_MMPDU][MAX_MMPDU_SIZE]; + u8 TxMMPDUInUse[ (MAX_NUM_TX_MMPDU+3) & ~0x03 ]; + + u16 wNumTxMMPDU; + u16 wNumTxMMPDUDiscarded; + + u8 RxMMPDU[MAX_NUM_RX_MMPDU][MAX_MMPDU_SIZE]; + u8 SaveRxBufSlotInUse[ (MAX_NUM_RX_MMPDU+3) & ~0x03 ]; + + u16 wNumRxMMPDU; + u16 wNumRxMMPDUDiscarded; + + u16 wNumRxMMPDUInMLME; // Number of the Rx MMPDU + u16 reserved_1; // in MLME. + // excluding the discarded +} MLME_FRAME, *psMLME_FRAME; + +typedef struct _AUTHREQ { + + u8 peerMACaddr[MAC_ADDR_LENGTH]; + u16 wAuthAlgorithm; + +} MLME_AUTHREQ_PARA, *psMLME_AUTHREQ_PARA; + +struct _Reason_Code { + + u8 peerMACaddr[MAC_ADDR_LENGTH]; + u16 wReasonCode; +}; +typedef struct _Reason_Code MLME_DEAUTHREQ_PARA, *psMLME_DEAUTHREQ_PARA; +typedef struct _Reason_Code MLME_DISASSOCREQ_PARA, *psMLME_DISASSOCREQ_PARA; + +typedef struct _ASSOCREQ { + u8 PeerSTAAddr[MAC_ADDR_LENGTH]; + u16 CapabilityInfo; + u16 ListenInterval; + +}__attribute__ ((packed)) MLME_ASSOCREQ_PARA, *psMLME_ASSOCREQ_PARA; + +typedef struct _REASSOCREQ { + u8 NewAPAddr[MAC_ADDR_LENGTH]; + u16 CapabilityInfo; + u16 ListenInterval; + +}__attribute__ ((packed)) MLME_REASSOCREQ_PARA, *psMLME_REASSOCREQ_PARA; + +typedef struct _MLMECALLBACK { + + u8 *psFramePtr; + u8 bResult; + +} MLME_TXCALLBACK, *psMLME_TXCALLBACK; + +typedef struct _RXDATA +{ + s32 FrameLength; + u8 __attribute__ ((packed)) *pbFramePtr; + +}__attribute__ ((packed)) RXDATA, *psRXDATA; + + diff --git a/drivers/staging/winbond/mlmetxrx.c b/drivers/staging/winbond/mlmetxrx.c new file mode 100644 index 000000000000..46b091e96794 --- /dev/null +++ b/drivers/staging/winbond/mlmetxrx.c @@ -0,0 +1,150 @@ +//============================================================================ +// Module Name: +// MLMETxRx.C +// +// Description: +// The interface between MDS (MAC Data Service) and MLME. +// +// Revision History: +// -------------------------------------------------------------------------- +// 200209 UN20 Jennifer Xu +// Initial Release +// 20021108 PD43 Austin Liu +// 20030117 PD43 Austin Liu +// Deleted MLMEReturnPacket and MLMEProcThread() +// +// Copyright (c) 1996-2002 Winbond Electronics Corp. All Rights Reserved. +//============================================================================ +#include "os_common.h" + +void MLMEResetTxRx(PWB32_ADAPTER Adapter) +{ + s32 i; + + // Reset the interface between MDS and MLME + for (i = 0; i < MAX_NUM_TX_MMPDU; i++) + Adapter->sMlmeFrame.TxMMPDUInUse[i] = FALSE; + for (i = 0; i < MAX_NUM_RX_MMPDU; i++) + Adapter->sMlmeFrame.SaveRxBufSlotInUse[i] = FALSE; + + Adapter->sMlmeFrame.wNumRxMMPDUInMLME = 0; + Adapter->sMlmeFrame.wNumRxMMPDUDiscarded = 0; + Adapter->sMlmeFrame.wNumRxMMPDU = 0; + Adapter->sMlmeFrame.wNumTxMMPDUDiscarded = 0; + Adapter->sMlmeFrame.wNumTxMMPDU = 0; + Adapter->sLocalPara.boCCAbusy = FALSE; + Adapter->sLocalPara.iPowerSaveMode = PWR_ACTIVE; // Power active +} + +//============================================================================= +// Function: +// MLMEGetMMPDUBuffer() +// +// Description: +// Return the pointer to an available data buffer with +// the size MAX_MMPDU_SIZE for a MMPDU. +// +// Arguments: +// Adapter - pointer to the miniport adapter context. +// +// Return value: +// NULL : No available data buffer available +// Otherwise: Pointer to the data buffer +//============================================================================= + +/* FIXME: Should this just be replaced with kmalloc() and kfree()? */ +u8 *MLMEGetMMPDUBuffer(PWB32_ADAPTER Adapter) +{ + s32 i; + u8 *returnVal; + + for (i = 0; i< MAX_NUM_TX_MMPDU; i++) { + if (Adapter->sMlmeFrame.TxMMPDUInUse[i] == FALSE) + break; + } + if (i >= MAX_NUM_TX_MMPDU) return NULL; + + returnVal = (u8 *)&(Adapter->sMlmeFrame.TxMMPDU[i]); + Adapter->sMlmeFrame.TxMMPDUInUse[i] = TRUE; + + return returnVal; +} + +//============================================================================= +u8 MLMESendFrame(PWB32_ADAPTER Adapter, u8 *pMMPDU, u16 len, u8 DataType) +/* DataType : FRAME_TYPE_802_11_MANAGEMENT, FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE, + FRAME_TYPE_802_11_DATA */ +{ + if (Adapter->sMlmeFrame.IsInUsed != PACKET_FREE_TO_USE) { + Adapter->sMlmeFrame.wNumTxMMPDUDiscarded++; + return FALSE; + } + Adapter->sMlmeFrame.IsInUsed = PACKET_COME_FROM_MLME; + + // Keep information for sending + Adapter->sMlmeFrame.pMMPDU = pMMPDU; + Adapter->sMlmeFrame.DataType = DataType; + // len must be the last setting due to QUERY_SIZE_SECOND of Mds + Adapter->sMlmeFrame.len = len; + Adapter->sMlmeFrame.wNumTxMMPDU++; + + // H/W will enter power save by set the register. S/W don't send null frame + //with PWRMgt bit enbled to enter power save now. + + // Transmit NDIS packet + Mds_Tx(Adapter); + return TRUE; +} + +void +MLME_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes) +{ +#define DESCRIPTOR_ADD_BUFFER( _D, _A, _S ) \ +{\ + _D->InternalUsed = _D->buffer_start_index + _D->buffer_number; \ + _D->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX; \ + _D->buffer_address[ _D->InternalUsed ] = _A; \ + _D->buffer_size[ _D->InternalUsed ] = _S; \ + _D->buffer_total_size += _S; \ + _D->buffer_number++;\ +} + + DESCRIPTOR_ADD_BUFFER( pDes, Adapter->sMlmeFrame.pMMPDU, Adapter->sMlmeFrame.len ); + pDes->Type = Adapter->sMlmeFrame.DataType; +} + +void MLMEfreeMMPDUBuffer(PWB32_ADAPTER Adapter, PCHAR pData) +{ + int i; + + // Reclaim the data buffer + for (i = 0; i < MAX_NUM_TX_MMPDU; i++) { + if (pData == (PCHAR)&(Adapter->sMlmeFrame.TxMMPDU[i])) + break; + } + if (Adapter->sMlmeFrame.TxMMPDUInUse[i]) + Adapter->sMlmeFrame.TxMMPDUInUse[i] = FALSE; + else { + // Something wrong + // PD43 Add debug code here??? + } +} + +void +MLME_SendComplete(PADAPTER Adapter, u8 PacketID, unsigned char SendOK) +{ + MLME_TXCALLBACK TxCallback; + + // Reclaim the data buffer + Adapter->sMlmeFrame.len = 0; + MLMEfreeMMPDUBuffer( Adapter, Adapter->sMlmeFrame.pMMPDU ); + + + TxCallback.bResult = MLME_SUCCESS; + + // Return resource + Adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE; +} + + + diff --git a/drivers/staging/winbond/mlmetxrx_f.h b/drivers/staging/winbond/mlmetxrx_f.h new file mode 100644 index 000000000000..d74e225be215 --- /dev/null +++ b/drivers/staging/winbond/mlmetxrx_f.h @@ -0,0 +1,52 @@ +//================================================================ +// MLMETxRx.H -- +// +// Functions defined in MLMETxRx.c. +// +// Copyright (c) 2002 Winbond Electrics Corp. All Rights Reserved. +//================================================================ +#ifndef _MLMETXRX_H +#define _MLMETXRX_H + +void +MLMEProcThread( + PWB32_ADAPTER Adapter + ); + +void MLMEResetTxRx( PWB32_ADAPTER Adapter); + +u8 * +MLMEGetMMPDUBuffer( + PWB32_ADAPTER Adapter + ); + +void MLMEfreeMMPDUBuffer( PWB32_ADAPTER Adapter, PCHAR pData); + +void MLME_GetNextPacket( PADAPTER Adapter, PDESCRIPTOR pDes ); +u8 MLMESendFrame( PWB32_ADAPTER Adapter, + u8 *pMMPDU, + u16 len, + u8 DataType); + +void +MLME_SendComplete( PWB32_ADAPTER Adapter, u8 PacketID, unsigned char SendOK ); + +void +MLMERcvFrame( + PWB32_ADAPTER Adapter, + PRXBUFFER pRxBufferArray, + u8 NumOfBuffer, + u8 ReturnSlotIndex + ); + +void +MLMEReturnPacket( + PWB32_ADAPTER Adapter, + PUCHAR pRxBufer + ); +#ifdef _IBSS_BEACON_SEQ_STICK_ +s8 SendBCNullData(PWB32_ADAPTER Adapter, u16 wIdx); +#endif + +#endif + diff --git a/drivers/staging/winbond/mto.c b/drivers/staging/winbond/mto.c new file mode 100644 index 000000000000..2ef60e5120cc --- /dev/null +++ b/drivers/staging/winbond/mto.c @@ -0,0 +1,1229 @@ +//============================================================================ +// MTO.C - +// +// Description: +// MAC Throughput Optimization for W89C33 802.11g WLAN STA. +// +// The following MIB attributes or internal variables will be affected +// while the MTO is being executed: +// dot11FragmentationThreshold, +// dot11RTSThreshold, +// transmission rate and PLCP preamble type, +// CCA mode, +// antenna diversity. +// +// Revision history: +// -------------------------------------------------------------------------- +// 20031227 UN20 Pete Chao +// First draft +// 20031229 Turbo copy from PD43 +// 20040210 Kevin revised +// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved. +//============================================================================ + +// LA20040210_DTO kevin +#include "os_common.h" + +// Declare SQ3 to rate and fragmentation threshold table +// Declare fragmentation thresholds table +#define MTO_MAX_SQ3_LEVELS 14 +#define MTO_MAX_FRAG_TH_LEVELS 5 +#define MTO_MAX_DATA_RATE_LEVELS 12 + +u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] = +{ + 256, 384, 512, 768, 1536 +}; + +u8 MTO_SQ3_Level[MTO_MAX_SQ3_LEVELS] = +{ + 0, 26, 30, 32, 34, 35, 37, 42, 44, 46, 54, 62, 78, 81 +}; +u8 MTO_SQ3toRate[MTO_MAX_SQ3_LEVELS] = +{ + 0, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; +u8 MTO_SQ3toFrag[MTO_MAX_SQ3_LEVELS] = +{ + 0, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4 +}; + +// One Exchange Time table +// +u16 MTO_One_Exchange_Time_Tbl_l[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] = +{ + { 2554, 1474, 822, 0, 0, 636, 0, 0, 0, 0, 0, 0}, + { 3578, 1986, 1009, 0, 0, 729, 0, 0, 0, 0, 0, 0}, + { 4602, 2498, 1195, 0, 0, 822, 0, 0, 0, 0, 0, 0}, + { 6650, 3522, 1567, 0, 0, 1009, 0, 0, 0, 0, 0, 0}, + {12794, 6594, 2684, 0, 0, 1567, 0, 0, 0, 0, 0, 0} +}; + +u16 MTO_One_Exchange_Time_Tbl_s[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] = +{ + { 0, 1282, 630, 404, 288, 444, 232, 172, 144, 116, 100, 96}, + { 0, 1794, 817, 572, 400, 537, 316, 228, 188, 144, 124, 116}, + { 0, 2306, 1003, 744, 516, 630, 400, 288, 228, 172, 144, 136}, + { 0, 3330, 1375, 1084, 744, 817, 572, 400, 316, 228, 188, 172}, + { 0, 6402, 2492, 2108, 1424, 1375, 1084, 740, 572, 400, 316, 284} +}; + +#define MTO_ONE_EXCHANGE_TIME(preamble_type, frag_th_lvl, data_rate_lvl) \ + (preamble_type) ? MTO_One_Exchange_Time_Tbl_s[frag_th_lvl][data_rate_lvl] : \ + MTO_One_Exchange_Time_Tbl_l[frag_th_lvl][data_rate_lvl] + +// Declare data rate table +//The following table will be changed at anytime if the opration rate supported by AP don't +//match the table +u8 MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = +{ + 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 +}; + +//The Stardard_Data_Rate_Tbl and Level2PerTbl table is used to indirectly retreive PER +//information from Rate_PER_TBL +//The default settings is AP can support full rate set. +static u8 Stardard_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] = +{ + 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 +}; +static u8 Level2PerTbl[MTO_MAX_DATA_RATE_LEVELS] = +{ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 +}; +//How many kind of tx rate can be supported by AP +//DTO will change Rate between MTO_Data_Rate_Tbl[0] and MTO_Data_Rate_Tbl[MTO_DataRateAvailableLevel-1] +static u8 MTO_DataRateAvailableLevel = MTO_MAX_DATA_RATE_LEVELS; +//Smoothed PER table for each different RATE based on packet length of 1514 +static int Rate_PER_TBL[91][MTO_MAX_DATA_RATE_LEVELS] = { +// 1M 2M 5.5M 11M 6M 9M 12M 18M 24M 36M 48M 54M +/* 0% */{ 93, 177, 420, 538, 690, 774, 1001, 1401, 1768, 2358, 2838, 3039}, +/* 1% */{ 92, 176, 416, 533, 683, 767, 992, 1389, 1752, 2336, 2811, 3010}, +/* 2% */{ 91, 174, 412, 528, 675, 760, 983, 1376, 1735, 2313, 2783, 2979}, +/* 3% */{ 90, 172, 407, 523, 667, 753, 973, 1363, 1719, 2290, 2755, 2948}, +/* 4% */{ 90, 170, 403, 518, 659, 746, 964, 1350, 1701, 2266, 2726, 2916}, +/* 5% */{ 89, 169, 398, 512, 651, 738, 954, 1336, 1684, 2242, 2696, 2884}, +/* 6% */{ 88, 167, 394, 507, 643, 731, 944, 1322, 1666, 2217, 2665, 2851}, +/* 7% */{ 87, 165, 389, 502, 635, 723, 935, 1308, 1648, 2192, 2634, 2817}, +/* 8% */{ 86, 163, 384, 497, 626, 716, 924, 1294, 1629, 2166, 2602, 2782}, +/* 9% */{ 85, 161, 380, 491, 618, 708, 914, 1279, 1611, 2140, 2570, 2747}, +/* 10% */{ 84, 160, 375, 486, 609, 700, 904, 1265, 1591, 2113, 2537, 2711}, +/* 11% */{ 83, 158, 370, 480, 600, 692, 894, 1250, 1572, 2086, 2503, 2675}, +/* 12% */{ 82, 156, 365, 475, 592, 684, 883, 1234, 1552, 2059, 2469, 2638}, +/* 13% */{ 81, 154, 360, 469, 583, 676, 872, 1219, 1532, 2031, 2435, 2600}, +/* 14% */{ 80, 152, 355, 464, 574, 668, 862, 1204, 1512, 2003, 2400, 2562}, +/* 15% */{ 79, 150, 350, 458, 565, 660, 851, 1188, 1492, 1974, 2365, 2524}, +/* 16% */{ 78, 148, 345, 453, 556, 652, 840, 1172, 1471, 1945, 2329, 2485}, +/* 17% */{ 77, 146, 340, 447, 547, 643, 829, 1156, 1450, 1916, 2293, 2446}, +/* 18% */{ 76, 144, 335, 441, 538, 635, 818, 1140, 1429, 1887, 2256, 2406}, +/* 19% */{ 75, 143, 330, 436, 529, 627, 807, 1124, 1408, 1857, 2219, 2366}, +/* 20% */{ 74, 141, 325, 430, 520, 618, 795, 1107, 1386, 1827, 2182, 2326}, +/* 21% */{ 73, 139, 320, 424, 510, 610, 784, 1091, 1365, 1797, 2145, 2285}, +/* 22% */{ 72, 137, 314, 418, 501, 601, 772, 1074, 1343, 1766, 2107, 2244}, +/* 23% */{ 71, 135, 309, 412, 492, 592, 761, 1057, 1321, 1736, 2069, 2203}, +/* 24% */{ 70, 133, 304, 407, 482, 584, 749, 1040, 1299, 1705, 2031, 2161}, +/* 25% */{ 69, 131, 299, 401, 473, 575, 738, 1023, 1277, 1674, 1992, 2120}, +/* 26% */{ 68, 129, 293, 395, 464, 566, 726, 1006, 1254, 1642, 1953, 2078}, +/* 27% */{ 67, 127, 288, 389, 454, 557, 714, 989, 1232, 1611, 1915, 2035}, +/* 28% */{ 66, 125, 283, 383, 445, 549, 703, 972, 1209, 1579, 1876, 1993}, +/* 29% */{ 65, 123, 278, 377, 436, 540, 691, 955, 1187, 1548, 1836, 1951}, +/* 30% */{ 64, 121, 272, 371, 426, 531, 679, 937, 1164, 1516, 1797, 1908}, +/* 31% */{ 63, 119, 267, 365, 417, 522, 667, 920, 1141, 1484, 1758, 1866}, +/* 32% */{ 62, 117, 262, 359, 407, 513, 655, 902, 1118, 1453, 1719, 1823}, +/* 33% */{ 61, 115, 256, 353, 398, 504, 643, 885, 1095, 1421, 1679, 1781}, +/* 34% */{ 60, 113, 251, 347, 389, 495, 631, 867, 1072, 1389, 1640, 1738}, +/* 35% */{ 59, 111, 246, 341, 379, 486, 619, 850, 1049, 1357, 1600, 1695}, +/* 36% */{ 58, 108, 240, 335, 370, 477, 607, 832, 1027, 1325, 1561, 1653}, +/* 37% */{ 57, 106, 235, 329, 361, 468, 595, 815, 1004, 1293, 1522, 1610}, +/* 38% */{ 56, 104, 230, 323, 351, 459, 584, 797, 981, 1261, 1483, 1568}, +/* 39% */{ 55, 102, 224, 317, 342, 450, 572, 780, 958, 1230, 1443, 1526}, +/* 40% */{ 54, 100, 219, 311, 333, 441, 560, 762, 935, 1198, 1404, 1484}, +/* 41% */{ 53, 98, 214, 305, 324, 432, 548, 744, 912, 1166, 1366, 1442}, +/* 42% */{ 52, 96, 209, 299, 315, 423, 536, 727, 889, 1135, 1327, 1400}, +/* 43% */{ 51, 94, 203, 293, 306, 414, 524, 709, 866, 1104, 1289, 1358}, +/* 44% */{ 50, 92, 198, 287, 297, 405, 512, 692, 844, 1072, 1250, 1317}, +/* 45% */{ 49, 90, 193, 281, 288, 396, 500, 675, 821, 1041, 1212, 1276}, +/* 46% */{ 48, 88, 188, 275, 279, 387, 488, 657, 799, 1011, 1174, 1236}, +/* 47% */{ 47, 86, 183, 269, 271, 378, 476, 640, 777, 980, 1137, 1195}, +/* 48% */{ 46, 84, 178, 262, 262, 369, 464, 623, 754, 949, 1100, 1155}, +/* 49% */{ 45, 82, 173, 256, 254, 360, 452, 606, 732, 919, 1063, 1116}, +/* 50% */{ 44, 80, 168, 251, 245, 351, 441, 589, 710, 889, 1026, 1076}, +/* 51% */{ 43, 78, 163, 245, 237, 342, 429, 572, 689, 860, 990, 1038}, +/* 52% */{ 42, 76, 158, 239, 228, 333, 417, 555, 667, 830, 955, 999}, +/* 53% */{ 41, 74, 153, 233, 220, 324, 406, 538, 645, 801, 919, 961}, +/* 54% */{ 40, 72, 148, 227, 212, 315, 394, 522, 624, 773, 884, 924}, +/* 55% */{ 39, 70, 143, 221, 204, 307, 383, 505, 603, 744, 850, 887}, +/* 56% */{ 38, 68, 138, 215, 196, 298, 371, 489, 582, 716, 816, 851}, +/* 57% */{ 37, 67, 134, 209, 189, 289, 360, 473, 562, 688, 783, 815}, +/* 58% */{ 36, 65, 129, 203, 181, 281, 349, 457, 541, 661, 750, 780}, +/* 59% */{ 35, 63, 124, 197, 174, 272, 338, 441, 521, 634, 717, 745}, +/* 60% */{ 34, 61, 120, 192, 166, 264, 327, 425, 501, 608, 686, 712}, +/* 61% */{ 33, 59, 115, 186, 159, 255, 316, 409, 482, 582, 655, 678}, +/* 62% */{ 32, 57, 111, 180, 152, 247, 305, 394, 462, 556, 624, 646}, +/* 63% */{ 31, 55, 107, 174, 145, 238, 294, 379, 443, 531, 594, 614}, +/* 64% */{ 30, 53, 102, 169, 138, 230, 283, 364, 425, 506, 565, 583}, +/* 65% */{ 29, 52, 98, 163, 132, 222, 273, 349, 406, 482, 536, 553}, +/* 66% */{ 28, 50, 94, 158, 125, 214, 262, 334, 388, 459, 508, 523}, +/* 67% */{ 27, 48, 90, 152, 119, 206, 252, 320, 370, 436, 481, 495}, +/* 68% */{ 26, 46, 86, 147, 113, 198, 242, 306, 353, 413, 455, 467}, +/* 69% */{ 26, 44, 82, 141, 107, 190, 231, 292, 336, 391, 429, 440}, +/* 70% */{ 25, 43, 78, 136, 101, 182, 221, 278, 319, 370, 405, 414}, +/* 71% */{ 24, 41, 74, 130, 95, 174, 212, 265, 303, 350, 381, 389}, +/* 72% */{ 23, 39, 71, 125, 90, 167, 202, 252, 287, 329, 358, 365}, +/* 73% */{ 22, 37, 67, 119, 85, 159, 192, 239, 271, 310, 335, 342}, +/* 74% */{ 21, 36, 63, 114, 80, 151, 183, 226, 256, 291, 314, 320}, +/* 75% */{ 20, 34, 60, 109, 75, 144, 174, 214, 241, 273, 294, 298}, +/* 76% */{ 19, 32, 57, 104, 70, 137, 164, 202, 227, 256, 274, 278}, +/* 77% */{ 18, 31, 53, 99, 66, 130, 155, 190, 213, 239, 256, 259}, +/* 78% */{ 17, 29, 50, 94, 62, 122, 146, 178, 200, 223, 238, 241}, +/* 79% */{ 16, 28, 47, 89, 58, 115, 138, 167, 187, 208, 222, 225}, +/* 80% */{ 16, 26, 44, 84, 54, 109, 129, 156, 175, 194, 206, 209}, +/* 81% */{ 15, 24, 41, 79, 50, 102, 121, 146, 163, 180, 192, 194}, +/* 82% */{ 14, 23, 39, 74, 47, 95, 113, 136, 151, 167, 178, 181}, +/* 83% */{ 13, 21, 36, 69, 44, 89, 105, 126, 140, 155, 166, 169}, +/* 84% */{ 12, 20, 33, 64, 41, 82, 97, 116, 130, 144, 155, 158}, +/* 85% */{ 11, 19, 31, 60, 39, 76, 89, 107, 120, 134, 145, 149}, +/* 86% */{ 11, 17, 29, 55, 36, 70, 82, 98, 110, 125, 136, 140}, +/* 87% */{ 10, 16, 26, 51, 34, 64, 75, 90, 102, 116, 128, 133}, +/* 88% */{ 9, 14, 24, 46, 32, 58, 68, 81, 93, 108, 121, 128}, +/* 89% */{ 8, 13, 22, 42, 31, 52, 61, 74, 86, 102, 116, 124}, +/* 90% */{ 7, 12, 21, 37, 29, 46, 54, 66, 79, 96, 112, 121} +}; + +#define RSSIBUF_NUM 10 +#define RSSI2RATE_SIZE 9 + +static TXRETRY_REC TxRateRec={MTO_MAX_DATA_RATE_LEVELS - 1, 0}; //new record=>TxRateRec +static int TxRetryRate; +//static int SQ3, BSS_PK_CNT, NIDLESLOT, SLOT_CNT, INTERF_CNT, GAP_CNT, DS_EVM; +static s32 RSSIBuf[RSSIBUF_NUM]={-70, -70, -70, -70, -70, -70, -70, -70, -70, -70}; +static s32 RSSISmoothed=-700; +static int RSSIBufIndex=0; +static u8 max_rssi_rate; +static int rate_tbl[13] = {0,1,2,5,11,6,9,12,18,24,36,48,54}; +//[WKCHEN]static core_data_t *pMTOcore_data=NULL; + +static int TotalTxPkt = 0; +static int TotalTxPktRetry = 0; +static int TxPktPerAnt[3] = {0,0,0}; +static int RXRSSIANT[3] ={-70,-70,-70}; +static int TxPktRetryPerAnt[3] = {0,0,0}; +//static int TxDominateFlag=FALSE; +static u8 old_antenna[4]={1 ,0 ,1 ,0}; +static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];//this record the retry rate at different data rate + +static int PeriodTotalTxPkt = 0; +static int PeriodTotalTxPktRetry = 0; + +typedef struct +{ + s32 RSSI; + u8 TxRate; +}RSSI2RATE; + +static RSSI2RATE RSSI2RateTbl[RSSI2RATE_SIZE] = +{ + {-740, 108}, // 54M + {-760, 96}, // 48M + {-820, 72}, // 36M + {-850, 48}, // 24M + {-870, 36}, // 18M + {-890, 24}, // 12M + {-900, 12}, // 6M + {-920, 11}, // 5.5M + {-950, 4}, // 2M +}; +static u8 untogglecount; +static u8 last_rate_ant; //this is used for antenna backoff-hh + +u8 boSparseTxTraffic = FALSE; + +void MTO_Init(MTO_FUNC_INPUT); +void AntennaToggleInitiator(MTO_FUNC_INPUT); +void AntennaToggleState(MTO_FUNC_INPUT); +void TxPwrControl(MTO_FUNC_INPUT); +void GetFreshAntennaData(MTO_FUNC_INPUT); +void TxRateReductionCtrl(MTO_FUNC_INPUT); +/** 1.1.31.1000 Turbo modify */ +//void MTO_SetDTORateRange(int type); +void MTO_SetDTORateRange(MTO_FUNC_INPUT, u8 *pRateArray, u8 ArraySize); +void MTO_SetTxCount(MTO_FUNC_INPUT, u8 t0, u8 index); +void MTO_TxFailed(MTO_FUNC_INPUT); +void SmoothRSSI(s32 new_rssi); +void hal_get_dto_para(MTO_FUNC_INPUT, char *buffer); +u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt); +u8 GetMaxRateLevelFromRSSI(void); +u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT); +int Divide(int a, int b); +void multiagc(MTO_FUNC_INPUT, u8 high_gain_mode); + +//=========================================================================== +// MTO_Init -- +// +// Description: +// Set DTO Tx Rate Scope because different AP could have different Rate set. +// After our staion join with AP, LM core will call this function to initialize +// Tx Rate table. +// +// Arguments: +// pRateArray - The pointer to the Tx Rate Array by the following order +// - 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 +// - DTO won't check whether rate order is invalid or not +// ArraySize - The array size to indicate how many tx rate we can choose +// +// sample code: +// { +// u8 RateArray[4] = {2, 4, 11, 22}; +// MTO_SetDTORateRange(RateArray, 4); +// } +// +// Return Value: +// None +//============================================================================ +void MTO_SetDTORateRange(MTO_FUNC_INPUT,u8 *pRateArray, u8 ArraySize) +{ + u8 i, j=0; + + for(i=0;i0;i--) + { + if(pRateArray[i-1] <= 11) + break; + pRateArray[i] = pRateArray[i-1]; + } + pRateArray[i] = 22; + MTO_OFDM_RATE_LEVEL() = i; + } + else + { + for(i=0; i= 12) + break; + } + MTO_OFDM_RATE_LEVEL() = i; + } + + for(i=0;i MTO_Init()\n")); + //[WKCHEN]pMTOcore_data = pcore_data; +// 20040510 Turbo add for global variable + MTO_TMR_CNT() = 0; + MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; + MTO_TX_RATE_REDUCTION_STATE() = RATE_CHGSTATE_IDLE; + MTO_BACKOFF_TMR() = 0; + MTO_LAST_RATE() = 11; + MTO_CO_EFFICENT() = 0; + + //MTO_TH_FIXANT() = MTO_DEFAULT_TH_FIXANT; + MTO_TH_CNT() = MTO_DEFAULT_TH_CNT; + MTO_TH_SQ3() = MTO_DEFAULT_TH_SQ3; + MTO_TH_IDLE_SLOT() = MTO_DEFAULT_TH_IDLE_SLOT; + MTO_TH_PR_INTERF() = MTO_DEFAULT_TH_PR_INTERF; + + MTO_TMR_AGING() = MTO_DEFAULT_TMR_AGING; + MTO_TMR_PERIODIC() = MTO_DEFAULT_TMR_PERIODIC; + + //[WKCHEN]MTO_CCA_MODE_SETUP()= (u8) hal_get_cca_mode(MTO_HAL()); + //[WKCHEN]MTO_CCA_MODE() = MTO_CCA_MODE_SETUP(); + + //MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_LONG; + MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT; // for test + + MTO_ANT_SEL() = hal_get_antenna_number(MTO_HAL()); + MTO_ANT_MAC() = MTO_ANT_SEL(); + MTO_CNT_ANT(0) = 0; + MTO_CNT_ANT(1) = 0; + MTO_SQ_ANT(0) = 0; + MTO_SQ_ANT(1) = 0; + MTO_ANT_DIVERSITY() = MTO_ANTENNA_DIVERSITY_ON; + //CardSet_AntennaDiversity(Adapter, MTO_ANT_DIVERSITY()); + //PLMESetAntennaDiversity( Adapter, MTO_ANT_DIVERSITY()); + + MTO_AGING_TIMEOUT() = 0;//MTO_TMR_AGING() / MTO_TMR_PERIODIC(); + + // The following parameters should be initialized to the values set by user + // + //MTO_RATE_LEVEL() = 10; + MTO_RATE_LEVEL() = 0; + MTO_FALLBACK_RATE_LEVEL() = MTO_RATE_LEVEL(); + MTO_FRAG_TH_LEVEL() = 4; + /** 1.1.23.1000 Turbo modify from -1 to +1 + MTO_RTS_THRESHOLD() = MTO_FRAG_TH() - 1; + MTO_RTS_THRESHOLD_SETUP() = MTO_FRAG_TH() - 1; + */ + MTO_RTS_THRESHOLD() = MTO_FRAG_TH() + 1; + MTO_RTS_THRESHOLD_SETUP() = MTO_FRAG_TH() + 1; + // 1.1.23.1000 Turbo add for mto change preamble from 0 to 1 + MTO_RATE_CHANGE_ENABLE() = 1; + MTO_FRAG_CHANGE_ENABLE() = 0; // 1.1.29.1000 Turbo add don't support frag + //The default valud of ANTDIV_DEFAULT_ON will be decided by EEPROM + //#ifdef ANTDIV_DEFAULT_ON + //MTO_ANT_DIVERSITY_ENABLE() = 1; + //#else + //MTO_ANT_DIVERSITY_ENABLE() = 0; + //#endif + MTO_POWER_CHANGE_ENABLE() = 1; + MTO_PREAMBLE_CHANGE_ENABLE()= 1; + MTO_RTS_CHANGE_ENABLE() = 0; // 1.1.29.1000 Turbo add don't support frag + // 20040512 Turbo add + //old_antenna[0] = 1; + //old_antenna[1] = 0; + //old_antenna[2] = 1; + //old_antenna[3] = 0; + for (i=0;iphy_type) + { + case RF_AIROHA_2230: + case RF_AIROHA_2230S: // 20060420 Add this + MTOPARA_TXPOWER_INDEX() = 46; // MAX-8 // @@ Only for AL 2230 + break; + case RF_AIROHA_7230: + MTOPARA_TXPOWER_INDEX() = 49; + break; + case RF_WB_242: + MTOPARA_TXPOWER_INDEX() = 10; + break; + case RF_WB_242_1: + MTOPARA_TXPOWER_INDEX() = 24; // ->10 20060316.1 modify + break; + } + } + else //follow the setting from EEPROM + MTOPARA_TXPOWER_INDEX() = MTO_TXPOWER_FROM_EEPROM; + hal_set_rf_power(MTO_HAL(), (u8)MTOPARA_TXPOWER_INDEX()); + //------------------------------------------------ + + // For RSSI turning 20060808.4 Cancel load from EEPROM + MTO_DATA().RSSI_high = -41; + MTO_DATA().RSSI_low = -60; +} + +//---------------------------------------------------------------------------// +static u32 DTO_Rx_Info[13][3]; +static u32 DTO_RxCRCFail_Info[13][3]; +static u32 AntennaToggleBkoffTimer=5; +typedef struct{ + int RxRate; + int RxRatePkts; + int index; +}RXRATE_ANT; +RXRATE_ANT RxRatePeakAnt[3]; + +#define ANT0 0 +#define ANT1 1 +#define OLD_ANT 2 + +void SearchPeakRxRate(int index) +{ + int i; + RxRatePeakAnt[index].RxRatePkts=0; + //Find out the best rx rate which is used on different antenna + for(i=1;i<13;i++) + { + if(DTO_Rx_Info[i][index] > (u32) RxRatePeakAnt[index].RxRatePkts) + { + RxRatePeakAnt[index].RxRatePkts = DTO_Rx_Info[i][index]; + RxRatePeakAnt[index].RxRate = rate_tbl[i]; + RxRatePeakAnt[index].index = i; + } + } +} + +void ResetDTO_RxInfo(int index, MTO_FUNC_INPUT) +{ + int i; + + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("ResetDTOrx\n")); + #endif + + for(i=0;i<13;i++) + DTO_Rx_Info[i][index] = MTO_HAL()->rx_ok_count[i]; + + for(i=0;i<13;i++) + DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i]; + + TotalTxPkt = 0; + TotalTxPktRetry = 0; +} + +void GetDTO_RxInfo(int index, MTO_FUNC_INPUT) +{ + int i; + + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("GetDTOrx\n")); + #endif + + //PDEBUG(("[MTO]:DTO_Rx_Info[%d]=%d, rx_ok_count=%d\n", index, DTO_Rx_Info[0][index], phw_data->rx_ok_count[0])); + for(i=0;i<13;i++) + DTO_Rx_Info[i][index] = abs(MTO_HAL()->rx_ok_count[i] - DTO_Rx_Info[i][index]); + if(DTO_Rx_Info[0][index]==0) DTO_Rx_Info[0][index] = 1; + + for(i=0;i<13;i++) + DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i] - DTO_RxCRCFail_Info[i][index]; + + TxPktPerAnt[index] = TotalTxPkt; + TxPktRetryPerAnt[index] = TotalTxPktRetry; + TotalTxPkt = 0; + TotalTxPktRetry = 0; +} + +void OutputDebugInfo(int index1, int index2) +{ + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:Total Rx (%d)\t\t(%d) \n ", DTO_Rx_Info[0][index1], DTO_Rx_Info[0][index2])); + WBDEBUG(("[HHDTO]:RECEIVE RSSI: (%d)\t\t(%d) \n ", RXRSSIANT[index1], RXRSSIANT[index2])); + WBDEBUG(("[HHDTO]:TX packet correct rate: (%d)%%\t\t(%d)%% \n ",Divide(TxPktPerAnt[index1]*100,TxPktRetryPerAnt[index1]), Divide(TxPktPerAnt[index2]*100,TxPktRetryPerAnt[index2]))); + #endif + { + int tmp1, tmp2; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:Total Tx (%d)\t\t(%d) \n ", TxPktPerAnt[index1], TxPktPerAnt[index2])); + WBDEBUG(("[HHDTO]:Total Tx retry (%d)\t\t(%d) \n ", TxPktRetryPerAnt[index1], TxPktRetryPerAnt[index2])); + #endif + tmp1 = TxPktPerAnt[index1] + DTO_Rx_Info[0][index1]; + tmp2 = TxPktPerAnt[index2] + DTO_Rx_Info[0][index2]; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:Total Tx+RX (%d)\t\t(%d) \n ", tmp1, tmp2)); + #endif + } +} + +unsigned char TxDominate(int index) +{ + int tmp; + + tmp = TxPktPerAnt[index] + DTO_Rx_Info[0][index]; + + if(Divide(TxPktPerAnt[index]*100, tmp) > 40) + return TRUE; + else + return FALSE; +} + +unsigned char CmpTxRetryRate(int index1, int index2) +{ + int tx_retry_rate1, tx_retry_rate2; + tx_retry_rate1 = Divide((TxPktRetryPerAnt[index1] - TxPktPerAnt[index1])*100, TxPktRetryPerAnt[index1]); + tx_retry_rate2 = Divide((TxPktRetryPerAnt[index2] - TxPktPerAnt[index2])*100, TxPktRetryPerAnt[index2]); + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[MTO]:TxRetry Ant0: (%d%%) Ant1: (%d%%) \n ", tx_retry_rate1, tx_retry_rate2)); + #endif + + if(tx_retry_rate1 > tx_retry_rate2) + return TRUE; + else + return FALSE; +} + +void GetFreshAntennaData(MTO_FUNC_INPUT) +{ + u8 x; + + x = hal_get_antenna_number(MTO_HAL()); + //hal_get_bss_pk_cnt(MTO_HAL()); + //hal_get_est_sq3(MTO_HAL(), 1); + old_antenna[0] = x; + //if this is the function for timer + ResetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA); + if(AntennaToggleBkoffTimer) + AntennaToggleBkoffTimer--; + if (abs(last_rate_ant-MTO_RATE_LEVEL())>1) //backoff timer reset + AntennaToggleBkoffTimer=0; + + if (MTO_ANT_DIVERSITY() != MTO_ANTENNA_DIVERSITY_ON || + MTO_ANT_DIVERSITY_ENABLE() != 1) + AntennaToggleBkoffTimer=1; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:**last data rate=%d,now data rate=%d**antenna toggle timer=%d",last_rate_ant,MTO_RATE_LEVEL(),AntennaToggleBkoffTimer)); + #endif + last_rate_ant=MTO_RATE_LEVEL(); + if(AntennaToggleBkoffTimer==0) + { + MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT0; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:===state is starting==for antenna toggle===")); + #endif + } + else + MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; + + if ((MTO_BACKOFF_TMR()!=0)&&(MTO_RATE_LEVEL()>MTO_DataRateAvailableLevel - 3)) + { + MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:===the data rate is %d (good)and will not toogle ===",MTO_DATA_RATE()>>1)); + #endif + } + + +} + +int WB_PCR[2]; //packet correct rate + +void AntennaToggleState(MTO_FUNC_INPUT) +{ + int decideantflag = 0; + u8 x; + s32 rssi; + + if(MTO_ANT_DIVERSITY_ENABLE() != 1) + return; + x = hal_get_antenna_number(MTO_HAL()); + switch(MTO_TOGGLE_STATE()) + { + + //Missing..... + case TOGGLE_STATE_IDLE: + case TOGGLE_STATE_BKOFF: + break;; + + case TOGGLE_STATE_WAIT0://======== + GetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA); + sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi); + RXRSSIANT[x] = rssi; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO] **wait0==== Collecting Ant%d--rssi=%d\n", x,RXRSSIANT[x])); + #endif + + //change antenna and reset the data at changed antenna + x = (~x) & 0x01; + MTO_ANT_SEL() = x; + hal_set_antenna_number(MTO_HAL(), MTO_ANT_SEL()); + LOCAL_ANTENNA_NO() = x; + + MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT1;//go to wait1 + ResetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA); + break; + case TOGGLE_STATE_WAIT1://=====wait1 + //MTO_CNT_ANT(x) = hal_get_bss_pk_cnt(MTO_HAL()); + //RXRSSIANT[x] = hal_get_rssi(MTO_HAL()); + sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi); + RXRSSIANT[x] = rssi; + GetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA); + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO] **wait1==== Collecting Ant%d--rssi=%d\n", x,RXRSSIANT[x])); + #endif + MTO_TOGGLE_STATE() = TOGGLE_STATE_MAKEDESISION; + break; + case TOGGLE_STATE_MAKEDESISION: + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:Ant--0-----------------1---\n")); + OutputDebugInfo(ANT0,ANT1); + #endif + //PDEBUG(("[HHDTO] **decision====\n ")); + + //=====following is the decision produrce + // + // first: compare the rssi if difference >10 + // select the larger one + // ,others go to second + // second: comapre the tx+rx packet count if difference >100 + // use larger total packets antenna + // third::compare the tx PER if packets>20 + // if difference >5% using the bigger one + // + // fourth:compare the RX PER if packets>20 + // if PER difference <5% + // using old antenna + // + // + if (abs(RXRSSIANT[ANT0]-RXRSSIANT[ANT1]) > MTOPARA_RSSI_TH_FOR_ANTDIV())//====rssi_th + { + if (RXRSSIANT[ANT0]>RXRSSIANT[ANT1]) + { + decideantflag=1; + MTO_ANT_MAC() = ANT0; + } + else + { + decideantflag=1; + MTO_ANT_MAC() = ANT1; + } + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("Select antenna by RSSI\n")); + #endif + } + else if (abs(TxPktPerAnt[ANT0] + DTO_Rx_Info[0][ANT0]-TxPktPerAnt[ANT1]-DTO_Rx_Info[0][ANT1])<50)//=====total packet_th + { + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("Total tx/rx is close\n")); + #endif + if (TxDominate(ANT0) && TxDominate(ANT1)) + { + if ((TxPktPerAnt[ANT0]>10) && (TxPktPerAnt[ANT1]>10))//====tx packet_th + { + WB_PCR[ANT0]=Divide(TxPktPerAnt[ANT0]*100,TxPktRetryPerAnt[ANT0]); + WB_PCR[ANT1]=Divide(TxPktPerAnt[ANT1]*100,TxPktRetryPerAnt[ANT1]); + if (abs(WB_PCR[ANT0]-WB_PCR[ANT1])>5)// tx PER_th + { + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("Decide by Tx correct rate\n")); + #endif + if (WB_PCR[ANT0]>WB_PCR[ANT1]) + { + decideantflag=1; + MTO_ANT_MAC() = ANT0; + } + else + { + decideantflag=1; + MTO_ANT_MAC() = ANT1; + } + } + else + { + decideantflag=0; + untogglecount++; + MTO_ANT_MAC() = old_antenna[0]; + } + } + else + { + decideantflag=0; + MTO_ANT_MAC() = old_antenna[0]; + } + } + else if ((DTO_Rx_Info[0][ANT0]>10)&&(DTO_Rx_Info[0][ANT1]>10))//rx packet th + { + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("Decide by Rx\n")); + #endif + if (abs(DTO_Rx_Info[0][ANT0] - DTO_Rx_Info[0][ANT1])>50) + { + if (DTO_Rx_Info[0][ANT0] > DTO_Rx_Info[0][ANT1]) + { + decideantflag=1; + MTO_ANT_MAC() = ANT0; + } + else + { + decideantflag=1; + MTO_ANT_MAC() = ANT1; + } + } + else + { + decideantflag=0; + untogglecount++; + MTO_ANT_MAC() = old_antenna[0]; + } + } + else + { + decideantflag=0; + MTO_ANT_MAC() = old_antenna[0]; + } + } + else if ((TxPktPerAnt[ANT0]+DTO_Rx_Info[0][ANT0])>(TxPktPerAnt[ANT1]+DTO_Rx_Info[0][ANT1]))//use more packekts + { + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("decide by total tx/rx : ANT 0\n")); + #endif + + decideantflag=1; + MTO_ANT_MAC() = ANT0; + } + else + { + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("decide by total tx/rx : ANT 1\n")); + #endif + decideantflag=1; + MTO_ANT_MAC() = ANT1; + + } + //this is force ant toggle + if (decideantflag==1) + untogglecount=0; + + untogglecount=untogglecount%4; + if (untogglecount==3) //change antenna + MTO_ANT_MAC() = ((~old_antenna[0]) & 0x1); + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:==================untoggle-count=%d",untogglecount)); + #endif + + + + + //PDEBUG(("[HHDTO] **********************************DTO ENABLE=%d",MTO_ANT_DIVERSITY_ENABLE())); + if(MTO_ANT_DIVERSITY_ENABLE() == 1) + { + MTO_ANT_SEL() = MTO_ANT_MAC(); + hal_set_antenna_number(MTO_HAL(), MTO_ANT_SEL()); + LOCAL_ANTENNA_NO() = MTO_ANT_SEL(); + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO] ==decision==*******antflag=%d******************selected antenna=%d\n",decideantflag,MTO_ANT_SEL())); + #endif + } + if (decideantflag) + { + old_antenna[3]=old_antenna[2];//store antenna info + old_antenna[2]=old_antenna[1]; + old_antenna[1]=old_antenna[0]; + old_antenna[0]= MTO_ANT_MAC(); + } + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:**old antenna=[%d][%d][%d][%d]\n",old_antenna[0],old_antenna[1],old_antenna[2],old_antenna[3])); + #endif + if (old_antenna[0]!=old_antenna[1]) + AntennaToggleBkoffTimer=0; + else if (old_antenna[1]!=old_antenna[2]) + AntennaToggleBkoffTimer=1; + else if (old_antenna[2]!=old_antenna[3]) + AntennaToggleBkoffTimer=2; + else + AntennaToggleBkoffTimer=4; + + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTO]:**back off timer=%d",AntennaToggleBkoffTimer)); + #endif + + ResetDTO_RxInfo(MTO_ANT_MAC(), MTO_FUNC_INPUT_DATA); + if (AntennaToggleBkoffTimer==0 && decideantflag) + MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT0; + else + MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE; + break; + } + +} + +void multiagc(MTO_FUNC_INPUT, u8 high_gain_mode ) +{ + s32 rssi; + hw_data_t *pHwData = MTO_HAL(); + + sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi); + + if( (RF_WB_242 == pHwData->phy_type) || + (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add + { + if (high_gain_mode==1) + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230); + //hw_set_dxx_reg(phw_data, 0x20, 0x06C43440); + Wb35Reg_Write( pHwData, 0x100C, 0xF2F32232 ); // 940916 0xf8f52230 ); + Wb35Reg_Write( pHwData, 0x1020, 0x04cb3440 ); // 940915 0x06C43440 + } + else if (high_gain_mode==0) + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xEEEE000D); + //hw_set_dxx_reg(phw_data, 0x20, 0x06c41440); + Wb35Reg_Write( pHwData, 0x100C, 0xEEEE000D ); + Wb35Reg_Write( pHwData, 0x1020, 0x04cb1440 ); // 940915 0x06c41440 + } + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[HHDTOAGC] **rssi=%d, high gain mode=%d", rssi, high_gain_mode)); + #endif + } +} + +void TxPwrControl(MTO_FUNC_INPUT) +{ + s32 rssi; + hw_data_t *pHwData = MTO_HAL(); + + sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi); + if( (RF_WB_242 == pHwData->phy_type) || + (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add + { + static u8 high_gain_mode; //this is for winbond RF switch LNA + //using different register setting + + if (high_gain_mode==1) + { + if( rssi > MTO_DATA().RSSI_high ) + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230); + //hw_set_dxx_reg(phw_data, 0x20, 0x05541640); + high_gain_mode=0; + } + else + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xf8f51830); + //hw_set_dxx_reg(phw_data, 0x20, 0x05543E40); + high_gain_mode=1; + } + } + else //if (high_gain_mode==0) + { + if( rssi < MTO_DATA().RSSI_low ) + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xf8f51830); + //hw_set_dxx_reg(phw_data, 0x20, 0x05543E40); + high_gain_mode=1; + } + else + { + //hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230); + //hw_set_dxx_reg(phw_data, 0x20, 0x05541640); + high_gain_mode=0; + } + } + + // Always high gain 20051014. Using the initial value only. + multiagc(MTO_FUNC_INPUT_DATA, high_gain_mode); + } +} + + +u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt) +{ + int i; + u8 new_rate; + u32 retry_rate; + int TxThrouput1, TxThrouput2, TxThrouput3, BestThroupht; + + if(tx_frag_cnt < MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()) //too few packets transmit + { + return 0xff; + } + retry_rate = Divide(retry_cnt * 100, tx_frag_cnt); + + if(retry_rate > 90) retry_rate = 90; //always truncate to 90% due to lookup table size + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("##### Current level =%d, Retry count =%d, Frag count =%d\n", + old_rate, retry_cnt, tx_frag_cnt)); + WBDEBUG(("*##* Retry rate =%d, throughput =%d\n", + retry_rate, Rate_PER_TBL[retry_rate][old_rate])); + WBDEBUG(("TxRateRec.tx_rate =%d, Retry rate = %d, throughput = %d\n", + TxRateRec.tx_rate, TxRateRec.tx_retry_rate, + Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]])); + WBDEBUG(("old_rate-1 =%d, Retry rate = %d, throughput = %d\n", + old_rate-1, retryrate_rec[old_rate-1], + Rate_PER_TBL[retryrate_rec[old_rate-1]][old_rate-1])); + WBDEBUG(("old_rate+1 =%d, Retry rate = %d, throughput = %d\n", + old_rate+1, retryrate_rec[old_rate+1], + Rate_PER_TBL[retryrate_rec[old_rate+1]][old_rate+1])); + #endif + + //following is for record the retry rate at the different data rate + if (abs(retry_rate-retryrate_rec[old_rate])<50)//---the per TH + retryrate_rec[old_rate] = retry_rate; //update retry rate + else + { + for (i=0;i old_rate) //Decrease Tx Rate + { + TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]]; + TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; + if(TxThrouput1 > TxThrouput2) + { + new_rate = TxRateRec.tx_rate; + BestThroupht = TxThrouput1; + } + else + { + new_rate = old_rate; + BestThroupht = TxThrouput2; + } + if((old_rate > 0) &&(retry_rate>MTOPARA_TXRATE_DEC_TH())) //Min Rate + { + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]]; + if(BestThroupht < TxThrouput3) + { + new_rate = old_rate - 1; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("--------\n")); + #endif + BestThroupht = TxThrouput3; + } + } + } + else if(TxRateRec.tx_rate < old_rate) //Increase Tx Rate + { + TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]]; + TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; + if(TxThrouput1 > TxThrouput2) + { + new_rate = TxRateRec.tx_rate; + BestThroupht = TxThrouput1; + } + else + { + new_rate = old_rate; + BestThroupht = TxThrouput2; + } + if ((old_rate < MTO_DataRateAvailableLevel - 1)&&(retry_rate MTOPARA_TXRETRYRATE_REDUCE()) + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]]; + else + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]]; + if(BestThroupht < TxThrouput3) + { + new_rate = old_rate + 1; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("++++++++++\n")); + #endif + BestThroupht = TxThrouput3; + } + } + } + else //Tx Rate no change + { + TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]]; + new_rate = old_rate; + BestThroupht = TxThrouput2; + + if (retry_rate MTOPARA_TXRETRYRATE_REDUCE()) + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]]; + else + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]]; + if(BestThroupht < TxThrouput3) + { + new_rate = old_rate + 1; + BestThroupht = TxThrouput3; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("=++++++++++\n")); + #endif + } + } + } + else + if(old_rate > 0) //Min Rate + { + TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]]; + if(BestThroupht < TxThrouput3) + { + new_rate = old_rate - 1; + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("=--------\n")); + #endif + BestThroupht = TxThrouput3; + } + } + } + + if (!LOCAL_IS_IBSS_MODE()) + { + max_rssi_rate = GetMaxRateLevelFromRSSI(); + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[MTO]:RSSI2Rate=%d\n", MTO_Data_Rate_Tbl[max_rssi_rate])); + #endif + if(new_rate > max_rssi_rate) + new_rate = max_rssi_rate; + } + + //save new rate; + TxRateRec.tx_rate = old_rate; + TxRateRec.tx_retry_rate = (u8) retry_rate; + TxRetryRate = retry_rate; + return new_rate; +} + +void SmoothRSSI(s32 new_rssi) +{ + RSSISmoothed = RSSISmoothed + new_rssi - RSSIBuf[RSSIBufIndex]; + RSSIBuf[RSSIBufIndex] = new_rssi; + RSSIBufIndex = (RSSIBufIndex + 1) % 10; +} + +u8 GetMaxRateLevelFromRSSI(void) +{ + u8 i; + u8 TxRate; + + for(i=0;i RSSI2RateTbl[i].RSSI) + break; + } + #ifdef _PE_DTO_DUMP_ + WBDEBUG(("[MTO]:RSSI=%d\n", Divide(RSSISmoothed, 10))); + #endif + if(i < RSSI2RATE_SIZE) + TxRate = RSSI2RateTbl[i].TxRate; + else + TxRate = 2; //divided by 2 = 1Mbps + + for(i=MTO_DataRateAvailableLevel-1;i>0;i--) + { + if(TxRate >=MTO_Data_Rate_Tbl[i]) + break; + } + return i; +} + +//=========================================================================== +// Description: +// If we enable DTO, we will ignore the tx count with different tx rate from +// DTO rate. This is because when we adjust DTO tx rate, there could be some +// packets in the tx queue with previous tx rate +void MTO_SetTxCount(MTO_FUNC_INPUT, u8 tx_rate, u8 index) +{ + MTO_TXFLOWCOUNT()++; + if ((MTO_ENABLE==1) && (MTO_RATE_CHANGE_ENABLE()==1)) + { + if(tx_rate == MTO_DATA_RATE()) + { + if (index == 0) + { + if (boSparseTxTraffic) + MTO_HAL()->dto_tx_frag_count += MTOPARA_PERIODIC_CHECK_CYCLE(); + else + MTO_HAL()->dto_tx_frag_count += 1; + } + else + { + if (index<8) + { + MTO_HAL()->dto_tx_retry_count += index; + MTO_HAL()->dto_tx_frag_count += (index+1); + } + else + { + MTO_HAL()->dto_tx_retry_count += 7; + MTO_HAL()->dto_tx_frag_count += 7; + } + } + } + else if(MTO_DATA_RATE()>48 && tx_rate ==48) + {//ALFRED + if (index<3) //for reduciing data rate scheme , + //do not calcu different data rate + //3 is the reducing data rate at retry + { + MTO_HAL()->dto_tx_retry_count += index; + MTO_HAL()->dto_tx_frag_count += (index+1); + } + else + { + MTO_HAL()->dto_tx_retry_count += 3; + MTO_HAL()->dto_tx_frag_count += 3; + } + + } + } + else + { + MTO_HAL()->dto_tx_retry_count += index; + MTO_HAL()->dto_tx_frag_count += (index+1); + } + TotalTxPkt ++; + TotalTxPktRetry += (index+1); + + PeriodTotalTxPkt ++; + PeriodTotalTxPktRetry += (index+1); +} + +u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT) +{ + return MTO_DATA_FALLBACK_RATE(); +} + + +//=========================================================================== +// MTO_TxFailed -- +// +// Description: +// Failure of transmitting a packet indicates that certain MTO parmeters +// may need to be adjusted. This function is called when NIC just failed +// to transmit a packet or when MSDULifeTime expired. +// +// Arguments: +// Adapter - The pointer to the Miniport Adapter Context +// +// Return Value: +// None +//============================================================================ +void MTO_TxFailed(MTO_FUNC_INPUT) +{ + return; +} + +int Divide(int a, int b) +{ + if (b==0) b=1; + return a/b; +} + + diff --git a/drivers/staging/winbond/mto.h b/drivers/staging/winbond/mto.h new file mode 100644 index 000000000000..f47936f46d1e --- /dev/null +++ b/drivers/staging/winbond/mto.h @@ -0,0 +1,265 @@ +//================================================================== +// MTO.H +// +// Revision history +//================================= +// 20030110 UN20 Pete Chao +// Initial Release +// +// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved. +//================================================================== +#ifndef __MTO_H__ +#define __MTO_H__ + +#define MTO_DEFAULT_TH_CNT 5 +#define MTO_DEFAULT_TH_SQ3 112 //OLD IS 13 reference JohnXu +#define MTO_DEFAULT_TH_IDLE_SLOT 15 +#define MTO_DEFAULT_TH_PR_INTERF 30 +#define MTO_DEFAULT_TMR_AGING 25 // unit: slot time 10 reference JohnXu +#define MTO_DEFAULT_TMR_PERIODIC 5 // unit: slot time + +#define MTO_ANTENNA_DIVERSITY_OFF 0 +#define MTO_ANTENNA_DIVERSITY_ON 1 + +// LA20040210_DTO kevin +//#define MTO_PREAMBLE_LONG 0 +//#define MTO_PREAMBLE_SHORT 1 +#define MTO_PREAMBLE_LONG WLAN_PREAMBLE_TYPE_LONG +#define MTO_PREAMBLE_SHORT WLAN_PREAMBLE_TYPE_SHORT + +typedef enum { + TOGGLE_STATE_IDLE = 0, + TOGGLE_STATE_WAIT0 = 1, + TOGGLE_STATE_WAIT1 = 2, + TOGGLE_STATE_MAKEDESISION = 3, + TOGGLE_STATE_BKOFF = 4 +} TOGGLE_STATE; + +typedef enum { + RATE_CHGSTATE_IDLE = 0, + RATE_CHGSTATE_CALCULATE = 1, + RATE_CHGSTATE_BACKOFF = 2 +} TX_RATE_REDUCTION_STATE; + +//============================================================================ +// struct _MTOParameters -- +// +// Defines the parameters used in the MAC Throughput Optimization algorithm +//============================================================================ +typedef struct _MTO_PARAMETERS +{ + u8 Th_Fixant; + u8 Th_Cnt; + u8 Th_SQ3; + u8 Th_IdleSlot; + + u16 Tmr_Aging; + u8 Th_PrInterf; + u8 Tmr_Periodic; + + //--------- wkchen added ------------- + u32 TxFlowCount; //to judge what kind the tx flow(sparse or busy) is + //------------------------------------------------ + + //--------- DTO threshold parameters ------------- + u16 DTO_PeriodicCheckCycle; + u16 DTO_RssiThForAntDiv; + + u16 DTO_TxCountThForCalcNewRate; + u16 DTO_TxRateIncTh; + + u16 DTO_TxRateDecTh; + u16 DTO_TxRateEqTh; + + u16 DTO_TxRateBackOff; + u16 DTO_TxRetryRateReduce; + + u16 DTO_TxPowerIndex; //0 ~ 31 + u16 reserved_1; + //------------------------------------------------ + + u8 PowerChangeEnable; + u8 AntDiversityEnable; + u8 Ant_mac; + u8 Ant_div; + + u8 CCA_Mode; + u8 CCA_Mode_Setup; + u8 Preamble_Type; + u8 PreambleChangeEnable; + + u8 DataRateLevel; + u8 DataRateChangeEnable; + u8 FragThresholdLevel; + u8 FragThresholdChangeEnable; + + u16 RTSThreshold; + u16 RTSThreshold_Setup; + + u32 AvgIdleSlot; + u32 Pr_Interf; + u32 AvgGapBtwnInterf; + + u8 RTSChangeEnable; + u8 Ant_sel; + u8 aging_timeout; + u8 reserved_2; + + u32 Cnt_Ant[2]; + u32 SQ_Ant[2]; + +// 20040510 remove from globe vairable + u32 TmrCnt; + u32 BackoffTmr; + TOGGLE_STATE ToggleState; + TX_RATE_REDUCTION_STATE TxRateReductionState; + + u8 Last_Rate; + u8 Co_efficent; + u8 FallbackRateLevel; + u8 OfdmRateLevel; + + u8 RatePolicy; + u8 reserved_3[3]; + + // For RSSI turning + s32 RSSI_high; + s32 RSSI_low; + +} MTO_PARAMETERS, *PMTO_PARAMETERS; + + +#define MTO_FUNC_INPUT PWB32_ADAPTER Adapter +#define MTO_FUNC_INPUT_DATA Adapter +#define MTO_DATA() (Adapter->sMtoPara) +#define MTO_HAL() (&Adapter->sHwData) +#define MTO_SET_PREAMBLE_TYPE(x) // 20040511 Turbo mark LM_PREAMBLE_TYPE(&pcore_data->lm_data) = (x) +#define MTO_ENABLE (Adapter->sLocalPara.TxRateMode == RATE_AUTO) +#define MTO_TXPOWER_FROM_EEPROM (Adapter->sHwData.PowerIndexFromEEPROM) +#define LOCAL_ANTENNA_NO() (Adapter->sLocalPara.bAntennaNo) +#define LOCAL_IS_CONNECTED() (Adapter->sLocalPara.wConnectedSTAindex != 0) +#define LOCAL_IS_IBSS_MODE() (Adapter->asBSSDescriptElement[Adapter->sLocalPara.wConnectedSTAindex].bBssType == IBSS_NET) +#define MTO_INITTXRATE_MODE (Adapter->sHwData.SoftwareSet&0x2) //bit 1 +// 20040510 Turbo add +#define MTO_TMR_CNT() MTO_DATA().TmrCnt +#define MTO_TOGGLE_STATE() MTO_DATA().ToggleState +#define MTO_TX_RATE_REDUCTION_STATE() MTO_DATA().TxRateReductionState +#define MTO_BACKOFF_TMR() MTO_DATA().BackoffTmr +#define MTO_LAST_RATE() MTO_DATA().Last_Rate +#define MTO_CO_EFFICENT() MTO_DATA().Co_efficent + +#define MTO_TH_CNT() MTO_DATA().Th_Cnt +#define MTO_TH_SQ3() MTO_DATA().Th_SQ3 +#define MTO_TH_IDLE_SLOT() MTO_DATA().Th_IdleSlot +#define MTO_TH_PR_INTERF() MTO_DATA().Th_PrInterf + +#define MTO_TMR_AGING() MTO_DATA().Tmr_Aging +#define MTO_TMR_PERIODIC() MTO_DATA().Tmr_Periodic + +#define MTO_POWER_CHANGE_ENABLE() MTO_DATA().PowerChangeEnable +#define MTO_ANT_DIVERSITY_ENABLE() Adapter->sLocalPara.boAntennaDiversity +#define MTO_ANT_MAC() MTO_DATA().Ant_mac +#define MTO_ANT_DIVERSITY() MTO_DATA().Ant_div +#define MTO_CCA_MODE() MTO_DATA().CCA_Mode +#define MTO_CCA_MODE_SETUP() MTO_DATA().CCA_Mode_Setup +#define MTO_PREAMBLE_TYPE() MTO_DATA().Preamble_Type +#define MTO_PREAMBLE_CHANGE_ENABLE() MTO_DATA().PreambleChangeEnable + +#define MTO_RATE_LEVEL() MTO_DATA().DataRateLevel +#define MTO_FALLBACK_RATE_LEVEL() MTO_DATA().FallbackRateLevel +#define MTO_OFDM_RATE_LEVEL() MTO_DATA().OfdmRateLevel +#define MTO_RATE_CHANGE_ENABLE() MTO_DATA().DataRateChangeEnable +#define MTO_FRAG_TH_LEVEL() MTO_DATA().FragThresholdLevel +#define MTO_FRAG_CHANGE_ENABLE() MTO_DATA().FragThresholdChangeEnable +#define MTO_RTS_THRESHOLD() MTO_DATA().RTSThreshold +#define MTO_RTS_CHANGE_ENABLE() MTO_DATA().RTSChangeEnable +#define MTO_RTS_THRESHOLD_SETUP() MTO_DATA().RTSThreshold_Setup + +#define MTO_AVG_IDLE_SLOT() MTO_DATA().AvgIdleSlot +#define MTO_PR_INTERF() MTO_DATA().Pr_Interf +#define MTO_AVG_GAP_BTWN_INTERF() MTO_DATA().AvgGapBtwnInterf + +#define MTO_ANT_SEL() MTO_DATA().Ant_sel +#define MTO_CNT_ANT(x) MTO_DATA().Cnt_Ant[(x)] +#define MTO_SQ_ANT(x) MTO_DATA().SQ_Ant[(x)] +#define MTO_AGING_TIMEOUT() MTO_DATA().aging_timeout + + +#define MTO_TXFLOWCOUNT() MTO_DATA().TxFlowCount +//--------- DTO threshold parameters ------------- +#define MTOPARA_PERIODIC_CHECK_CYCLE() MTO_DATA().DTO_PeriodicCheckCycle +#define MTOPARA_RSSI_TH_FOR_ANTDIV() MTO_DATA().DTO_RssiThForAntDiv +#define MTOPARA_TXCOUNT_TH_FOR_CALC_RATE() MTO_DATA().DTO_TxCountThForCalcNewRate +#define MTOPARA_TXRATE_INC_TH() MTO_DATA().DTO_TxRateIncTh +#define MTOPARA_TXRATE_DEC_TH() MTO_DATA().DTO_TxRateDecTh +#define MTOPARA_TXRATE_EQ_TH() MTO_DATA().DTO_TxRateEqTh +#define MTOPARA_TXRATE_BACKOFF() MTO_DATA().DTO_TxRateBackOff +#define MTOPARA_TXRETRYRATE_REDUCE() MTO_DATA().DTO_TxRetryRateReduce +#define MTOPARA_TXPOWER_INDEX() MTO_DATA().DTO_TxPowerIndex +//------------------------------------------------ + + +extern u8 MTO_Data_Rate_Tbl[]; +extern u16 MTO_Frag_Th_Tbl[]; + +#define MTO_DATA_RATE() MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()] +#define MTO_DATA_FALLBACK_RATE() MTO_Data_Rate_Tbl[MTO_FALLBACK_RATE_LEVEL()] //next level +#define MTO_FRAG_TH() MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()] + +typedef struct { + u8 tx_rate; + u8 tx_retry_rate; +} TXRETRY_REC; + +typedef struct _STATISTICS_INFO { + u32 Rate54M; + u32 Rate48M; + u32 Rate36M; + u32 Rate24M; + u32 Rate18M; + u32 Rate12M; + u32 Rate9M; + u32 Rate6M; + u32 Rate11MS; + u32 Rate11ML; + u32 Rate55MS; + u32 Rate55ML; + u32 Rate2MS; + u32 Rate2ML; + u32 Rate1M; + u32 Rate54MOK; + u32 Rate48MOK; + u32 Rate36MOK; + u32 Rate24MOK; + u32 Rate18MOK; + u32 Rate12MOK; + u32 Rate9MOK; + u32 Rate6MOK; + u32 Rate11MSOK; + u32 Rate11MLOK; + u32 Rate55MSOK; + u32 Rate55MLOK; + u32 Rate2MSOK; + u32 Rate2MLOK; + u32 Rate1MOK; + u32 SQ3; + s32 RSSIAVG; + s32 RSSIMAX; + s32 TXRATE; + s32 TxRetryRate; + s32 BSS_PK_CNT; + s32 NIDLESLOT; + s32 SLOT_CNT; + s32 INTERF_CNT; + s32 GAP_CNT; + s32 DS_EVM; + s32 RcvBeaconNum; + s32 RXRATE; + s32 RxBytes; + s32 TxBytes; + s32 Antenna; +} STATISTICS_INFO, *PSTATISTICS_INFO; + +#endif //__MTO_H__ + + diff --git a/drivers/staging/winbond/mto_f.h b/drivers/staging/winbond/mto_f.h new file mode 100644 index 000000000000..30b3df2ccb3c --- /dev/null +++ b/drivers/staging/winbond/mto_f.h @@ -0,0 +1,7 @@ +extern void MTO_Init(PWB32_ADAPTER); +extern void MTO_PeriodicTimerExpired(PWB32_ADAPTER); +extern void MTO_SetDTORateRange(PWB32_ADAPTER, u8 *, u8); +extern u8 MTO_GetTxRate(MTO_FUNC_INPUT, u32 fpdu_len); +extern u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT); +extern void MTO_SetTxCount(MTO_FUNC_INPUT, u8 t0, u8 index); + diff --git a/drivers/staging/winbond/os_common.h b/drivers/staging/winbond/os_common.h new file mode 100644 index 000000000000..e24ff41e871e --- /dev/null +++ b/drivers/staging/winbond/os_common.h @@ -0,0 +1,2 @@ +#include "linux/sysdef.h" + diff --git a/drivers/staging/winbond/phy_calibration.c b/drivers/staging/winbond/phy_calibration.c new file mode 100644 index 000000000000..272a65066aba --- /dev/null +++ b/drivers/staging/winbond/phy_calibration.c @@ -0,0 +1,1759 @@ +/* + * phy_302_calibration.c + * + * Copyright (C) 2002, 2005 Winbond Electronics Corp. + * + * modification history + * --------------------------------------------------------------------------- + * 0.01.001, 2003-04-16, Kevin created + * + */ + +/****************** INCLUDE FILES SECTION ***********************************/ +#include "os_common.h" +#include "phy_calibration.h" + + +/****************** DEBUG CONSTANT AND MACRO SECTION ************************/ + +/****************** LOCAL CONSTANT AND MACRO SECTION ************************/ +#define LOOP_TIMES 20 +#define US 1000//MICROSECOND + +#define AG_CONST 0.6072529350 +#define FIXED(X) ((s32)((X) * 32768.0)) +#define DEG2RAD(X) 0.017453 * (X) + +/****************** LOCAL TYPE DEFINITION SECTION ***************************/ +typedef s32 fixed; /* 16.16 fixed-point */ + +static const fixed Angles[]= +{ + FIXED(DEG2RAD(45.0)), FIXED(DEG2RAD(26.565)), FIXED(DEG2RAD(14.0362)), + FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)), + FIXED(DEG2RAD(0.895174)),FIXED(DEG2RAD(0.447614)),FIXED(DEG2RAD(0.223811)), + FIXED(DEG2RAD(0.111906)),FIXED(DEG2RAD(0.055953)),FIXED(DEG2RAD(0.027977)) +}; + +/****************** LOCAL FUNCTION DECLARATION SECTION **********************/ +//void _phy_rf_write_delay(hw_data_t *phw_data); +//void phy_init_rf(hw_data_t *phw_data); + +/****************** FUNCTION DEFINITION SECTION *****************************/ + +s32 _s13_to_s32(u32 data) +{ + u32 val; + + val = (data & 0x0FFF); + + if ((data & BIT(12)) != 0) + { + val |= 0xFFFFF000; + } + + return ((s32) val); +} + +u32 _s32_to_s13(s32 data) +{ + u32 val; + + if (data > 4095) + { + data = 4095; + } + else if (data < -4096) + { + data = -4096; + } + + val = data & 0x1FFF; + + return val; +} + +/****************************************************************************/ +s32 _s4_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x0007); + + if ((data & BIT(3)) != 0) + { + val |= 0xFFFFFFF8; + } + + return val; +} + +u32 _s32_to_s4(s32 data) +{ + u32 val; + + if (data > 7) + { + data = 7; + } + else if (data < -8) + { + data = -8; + } + + val = data & 0x000F; + + return val; +} + +/****************************************************************************/ +s32 _s5_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x000F); + + if ((data & BIT(4)) != 0) + { + val |= 0xFFFFFFF0; + } + + return val; +} + +u32 _s32_to_s5(s32 data) +{ + u32 val; + + if (data > 15) + { + data = 15; + } + else if (data < -16) + { + data = -16; + } + + val = data & 0x001F; + + return val; +} + +/****************************************************************************/ +s32 _s6_to_s32(u32 data) +{ + s32 val; + + val = (data & 0x001F); + + if ((data & BIT(5)) != 0) + { + val |= 0xFFFFFFE0; + } + + return val; +} + +u32 _s32_to_s6(s32 data) +{ + u32 val; + + if (data > 31) + { + data = 31; + } + else if (data < -32) + { + data = -32; + } + + val = data & 0x003F; + + return val; +} + +/****************************************************************************/ +s32 _s9_to_s32(u32 data) +{ + s32 val; + + val = data & 0x00FF; + + if ((data & BIT(8)) != 0) + { + val |= 0xFFFFFF00; + } + + return val; +} + +u32 _s32_to_s9(s32 data) +{ + u32 val; + + if (data > 255) + { + data = 255; + } + else if (data < -256) + { + data = -256; + } + + val = data & 0x01FF; + + return val; +} + +/****************************************************************************/ +s32 _floor(s32 n) +{ + if (n > 0) + { + n += 5; + } + else + { + n -= 5; + } + + return (n/10); +} + +/****************************************************************************/ +// The following code is sqare-root function. +// sqsum is the input and the output is sq_rt; +// The maximum of sqsum = 2^27 -1; +u32 _sqrt(u32 sqsum) +{ + u32 sq_rt; + + int g0, g1, g2, g3, g4; + int seed; + int next; + int step; + + g4 = sqsum / 100000000; + g3 = (sqsum - g4*100000000) /1000000; + g2 = (sqsum - g4*100000000 - g3*1000000) /10000; + g1 = (sqsum - g4*100000000 - g3*1000000 - g2*10000) /100; + g0 = (sqsum - g4*100000000 - g3*1000000 - g2*10000 - g1*100); + + next = g4; + step = 0; + seed = 0; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = seed * 10000; + next = (next-(seed*step))*100 + g3; + + step = 0; + seed = 2 * seed * 10; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 1000; + next = (next - seed * step) * 100 + g2; + seed = (seed + step) * 10; + step = 0; + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 100; + next = (next - seed * step) * 100 + g1; + seed = (seed + step) * 10; + step = 0; + + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step * 10; + next = (next - seed* step) * 100 + g0; + seed = (seed + step) * 10; + step = 0; + + while (((seed+1)*(step+1)) <= next) + { + step++; + seed++; + } + + sq_rt = sq_rt + step; + + return sq_rt; +} + +/****************************************************************************/ +void _sin_cos(s32 angle, s32 *sin, s32 *cos) +{ + fixed X, Y, TargetAngle, CurrAngle; + unsigned Step; + + X=FIXED(AG_CONST); // AG_CONST * cos(0) + Y=0; // AG_CONST * sin(0) + TargetAngle=abs(angle); + CurrAngle=0; + + for (Step=0; Step < 12; Step++) + { + fixed NewX; + + if(TargetAngle > CurrAngle) + { + NewX=X - (Y >> Step); + Y=(X >> Step) + Y; + X=NewX; + CurrAngle += Angles[Step]; + } + else + { + NewX=X + (Y >> Step); + Y=-(X >> Step) + Y; + X=NewX; + CurrAngle -= Angles[Step]; + } + } + + if (angle > 0) + { + *cos = X; + *sin = Y; + } + else + { + *cos = X; + *sin = -Y; + } +} + + +void _reset_rx_cal(hw_data_t *phw_data) +{ + u32 val; + + hw_get_dxx_reg(phw_data, 0x54, &val); + + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0xFFFF0000; + } + else // 2nd-cut + { + val &= 0x000003FF; + } + + hw_set_dxx_reg(phw_data, 0x54, val); +} + + +// ************for winbond calibration********* +// + +// +// +// ********************************************* +void _rxadc_dc_offset_cancellation_winbond(hw_data_t *phw_data, u32 frequency) +{ + u32 reg_agc_ctrl3; + u32 reg_a_acq_ctrl; + u32 reg_b_acq_ctrl; + u32 val; + + PHY_DEBUG(("[CAL] -> [1]_rxadc_dc_offset_cancellation()\n")); + phy_init_rf(phw_data); + + // set calibration channel + if( (RF_WB_242 == phw_data->phy_type) || + (RF_WB_242_1 == phw_data->phy_type) ) // 20060619.5 Add + { + if ((frequency >= 2412) && (frequency <= 2484)) + { + // w89rf242 change frequency to 2390Mhz + PHY_DEBUG(("[CAL] W89RF242/11G/Channel=2390Mhz\n")); + phy_set_rf_data(phw_data, 3, (3<<24)|0x025586); + + } + } + else + { + + } + + // reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel + hw_get_dxx_reg(phw_data, 0x5C, &val); + val &= ~(0x03FF); + hw_set_dxx_reg(phw_data, 0x5C, val); + + // reset the TX and RX IQ calibration data + hw_set_dxx_reg(phw_data, 0x3C, 0); + hw_set_dxx_reg(phw_data, 0x54, 0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // b. Turn off BB RX + hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl); + reg_a_acq_ctrl |= MASK_AMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl); + + hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl); + reg_b_acq_ctrl |= MASK_BMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl); + + // c. Make sure MAC is in receiving mode + // d. Turn ON ADC calibration + // - ADC calibrator is triggered by this signal rising from 0 to 1 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + val &= ~MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + + val |= MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + pa_stall_execution(US); // *MUST* wait for a while + + // e. The result are shown in "adc_dc_cal_i[8:0] and adc_dc_cal_q[8:0]" +#ifdef _DEBUG + hw_get_dxx_reg(phw_data, REG_OFFSET_READ, &val); + PHY_DEBUG(("[CAL] REG_OFFSET_READ = 0x%08X\n", val)); + + PHY_DEBUG(("[CAL] ** adc_dc_cal_i = %d (0x%04X)\n", + _s9_to_s32(val&0x000001FF), val&0x000001FF)); + PHY_DEBUG(("[CAL] ** adc_dc_cal_q = %d (0x%04X)\n", + _s9_to_s32((val&0x0003FE00)>>9), (val&0x0003FE00)>>9)); +#endif + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + val &= ~MASK_ADC_DC_CAL_STR; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val); + + // f. Turn on BB RX + //hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, ®_a_acq_ctrl); + reg_a_acq_ctrl &= ~MASK_AMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl); + + //hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, ®_b_acq_ctrl); + reg_b_acq_ctrl &= ~MASK_BMER_OFF_REG; + hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl); + + // g. Enable AGC + //hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); + reg_agc_ctrl3 |= BIT(2); + reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); +} + +//////////////////////////////////////////////////////// +void _txidac_dc_offset_cancellation_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; + u32 reg_mode_ctrl; + u32 reg_dc_cancel; + s32 iqcal_image_i; + s32 iqcal_image_q; + u32 sqsum; + s32 mag_0; + s32 mag_1; + s32 fix_cancel_dc_i = 0; + u32 val; + int loop; + + PHY_DEBUG(("[CAL] -> [2]_txidac_dc_offset_cancellation()\n")); + + // a. Set to "TX calibration mode" + + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A); + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // b. set iqcal_mode[1:0] to 0x2 and set iqcal_tone[3:2] to 0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + + // mode=2, tone=0 + //reg_mode_ctrl |= (MASK_CALIB_START|2); + + // mode=2, tone=1 + //reg_mode_ctrl |= (MASK_CALIB_START|2|(1<<2)); + + // mode=2, tone=2 + reg_mode_ctrl |= (MASK_CALIB_START|2|(2<<2)); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, 0x5C, ®_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel)); + + for (loop = 0; loop < LOOP_TIMES; loop++) + { + PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop)); + + // c. + // reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel + reg_dc_cancel &= ~(0x03FF); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_0 = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_0, iqcal_image_i, iqcal_image_q)); + + // d. + reg_dc_cancel |= (1 << CANCEL_DC_I_SHIFT); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_1 = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_1, iqcal_image_i, iqcal_image_q)); + + // e. Calculate the correct DC offset cancellation value for I + if (mag_0 != mag_1) + { + fix_cancel_dc_i = (mag_0*10000) / (mag_0*10000 - mag_1*10000); + } + else + { + if (mag_0 == mag_1) + { + PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n")); + } + + fix_cancel_dc_i = 0; + } + + PHY_DEBUG(("[CAL] ** fix_cancel_dc_i = %d (0x%04X)\n", + fix_cancel_dc_i, _s32_to_s5(fix_cancel_dc_i))); + + if ((abs(mag_1-mag_0)*6) > mag_0) + { + break; + } + } + + if ( loop >= 19 ) + fix_cancel_dc_i = 0; + + reg_dc_cancel &= ~(0x03FF); + reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_i) << CANCEL_DC_I_SHIFT); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + + // g. + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); +} + +/////////////////////////////////////////////////////// +void _txqdac_dc_offset_cacellation_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; + u32 reg_mode_ctrl; + u32 reg_dc_cancel; + s32 iqcal_image_i; + s32 iqcal_image_q; + u32 sqsum; + s32 mag_0; + s32 mag_1; + s32 fix_cancel_dc_q = 0; + u32 val; + int loop; + + PHY_DEBUG(("[CAL] -> [3]_txqdac_dc_offset_cacellation()\n")); + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A); + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + + hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + // a. set iqcal_mode[1:0] to 0x3 and set iqcal_tone[3:2] to 0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + //reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~(MASK_IQCAL_MODE); + reg_mode_ctrl |= (MASK_CALIB_START|3); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, 0x5C, ®_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel)); + + for (loop = 0; loop < LOOP_TIMES; loop++) + { + PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop)); + + // b. + // reset cancel_dc_q[4:0] in register DC_Cancel + reg_dc_cancel &= ~(0x001F); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_0 = _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_0, iqcal_image_i, iqcal_image_q)); + + // c. + reg_dc_cancel |= (1 << CANCEL_DC_Q_SHIFT); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + pa_stall_execution(US); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q; + mag_1 = _sqrt(sqsum); + PHY_DEBUG(("[CAL] mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n", + mag_1, iqcal_image_i, iqcal_image_q)); + + // d. Calculate the correct DC offset cancellation value for I + if (mag_0 != mag_1) + { + fix_cancel_dc_q = (mag_0*10000) / (mag_0*10000 - mag_1*10000); + } + else + { + if (mag_0 == mag_1) + { + PHY_DEBUG(("[CAL] ***** mag_0 = mag_1 !!\n")); + } + + fix_cancel_dc_q = 0; + } + + PHY_DEBUG(("[CAL] ** fix_cancel_dc_q = %d (0x%04X)\n", + fix_cancel_dc_q, _s32_to_s5(fix_cancel_dc_q))); + + if ((abs(mag_1-mag_0)*6) > mag_0) + { + break; + } + } + + if ( loop >= 19 ) + fix_cancel_dc_q = 0; + + reg_dc_cancel &= ~(0x001F); + reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_q) << CANCEL_DC_Q_SHIFT); + hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel); + PHY_DEBUG(("[CAL] DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel)); + + + // f. + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); +} + +//20060612.1.a 20060718.1 Modify +u8 _tx_iq_calibration_loop_winbond(hw_data_t *phw_data, + s32 a_2_threshold, + s32 b_2_threshold) +{ + u32 reg_mode_ctrl; + s32 iq_mag_0_tx; + s32 iqcal_tone_i0; + s32 iqcal_tone_q0; + s32 iqcal_tone_i; + s32 iqcal_tone_q; + u32 sqsum; + s32 rot_i_b; + s32 rot_q_b; + s32 tx_cal_flt_b[4]; + s32 tx_cal[4]; + s32 tx_cal_reg[4]; + s32 a_2, b_2; + s32 sin_b, sin_2b; + s32 cos_b, cos_2b; + s32 divisor; + s32 temp1, temp2; + u32 val; + u16 loop; + s32 iqcal_tone_i_avg,iqcal_tone_q_avg; + u8 verify_count; + int capture_time; + + PHY_DEBUG(("[CAL] -> _tx_iq_calibration_loop()\n")); + PHY_DEBUG(("[CAL] ** a_2_threshold = %d\n", a_2_threshold)); + PHY_DEBUG(("[CAL] ** b_2_threshold = %d\n", b_2_threshold)); + + verify_count = 0; + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + loop = LOOP_TIMES; + + while (loop > 0) + { + PHY_DEBUG(("[CAL] [%d.] <_tx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1))); + + iqcal_tone_i_avg=0; + iqcal_tone_q_avg=0; + if( !hw_set_dxx_reg(phw_data, 0x3C, 0x00) ) // 20060718.1 modify + return 0; + for(capture_time=0;capture_time<10;capture_time++) + { + // a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x02); + reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // b. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n", + iqcal_tone_i0, iqcal_tone_q0)); + + sqsum = iqcal_tone_i0*iqcal_tone_i0 + + iqcal_tone_q0*iqcal_tone_q0; + iq_mag_0_tx = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] ** iq_mag_0_tx=%d\n", iq_mag_0_tx)); + + // c. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // d. Set iqcal_mode[1:0] to 0x3 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + //hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val); + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x03); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + // e. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + pa_stall_execution(US); + + iqcal_tone_i = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n", + iqcal_tone_i, iqcal_tone_q)); + if( capture_time == 0) + { + continue; + } + else + { + iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time; + iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time; + } + } + + iqcal_tone_i = iqcal_tone_i_avg; + iqcal_tone_q = iqcal_tone_q_avg; + + + rot_i_b = (iqcal_tone_i * iqcal_tone_i0 + + iqcal_tone_q * iqcal_tone_q0) / 1024; + rot_q_b = (iqcal_tone_i * iqcal_tone_q0 * (-1) + + iqcal_tone_q * iqcal_tone_i0) / 1024; + PHY_DEBUG(("[CAL] ** rot_i_b = %d, rot_q_b = %d\n", + rot_i_b, rot_q_b)); + + // f. + divisor = ((iq_mag_0_tx * iq_mag_0_tx * 2)/1024 - rot_i_b) * 2; + + if (divisor == 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** divisor=0 to calculate EPS and THETA !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + a_2 = (rot_i_b * 32768) / divisor; + b_2 = (rot_q_b * (-32768)) / divisor; + PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2)); + PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2)); + + phw_data->iq_rsdl_gain_tx_d2 = a_2; + phw_data->iq_rsdl_phase_tx_d2 = b_2; + + //if ((abs(a_2) < 150) && (abs(b_2) < 100)) + //if ((abs(a_2) < 200) && (abs(b_2) < 200)) + if ((abs(a_2) < a_2_threshold) && (abs(b_2) < b_2_threshold)) + { + verify_count++; + + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n")); + PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count)); + PHY_DEBUG(("[CAL] ******************************************\n")); + + if (verify_count > 2) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION (EPS,THETA) OK !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + return 0; + } + + continue; + } + else + { + verify_count = 0; + } + + _sin_cos(b_2, &sin_b, &cos_b); + _sin_cos(b_2*2, &sin_2b, &cos_2b); + PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b)); + PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b)); + + if (cos_2b == 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + // 1280 * 32768 = 41943040 + temp1 = (41943040/cos_2b)*cos_b; + + //temp2 = (41943040/cos_2b)*sin_b*(-1); + if (phw_data->revision == 0x2002) // 1st-cut + { + temp2 = (41943040/cos_2b)*sin_b*(-1); + } + else // 2nd-cut + { + temp2 = (41943040*4/cos_2b)*sin_b*(-1); + } + + tx_cal_flt_b[0] = _floor(temp1/(32768+a_2)); + tx_cal_flt_b[1] = _floor(temp2/(32768+a_2)); + tx_cal_flt_b[2] = _floor(temp2/(32768-a_2)); + tx_cal_flt_b[3] = _floor(temp1/(32768-a_2)); + PHY_DEBUG(("[CAL] ** tx_cal_flt_b[0] = %d\n", tx_cal_flt_b[0])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[1] = %d\n", tx_cal_flt_b[1])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[2] = %d\n", tx_cal_flt_b[2])); + PHY_DEBUG(("[CAL] tx_cal_flt_b[3] = %d\n", tx_cal_flt_b[3])); + + tx_cal[2] = tx_cal_flt_b[2]; + tx_cal[2] = tx_cal[2] +3; + tx_cal[1] = tx_cal[2]; + tx_cal[3] = tx_cal_flt_b[3] - 128; + tx_cal[0] = -tx_cal[3]+1; + + PHY_DEBUG(("[CAL] tx_cal[0] = %d\n", tx_cal[0])); + PHY_DEBUG(("[CAL] tx_cal[1] = %d\n", tx_cal[1])); + PHY_DEBUG(("[CAL] tx_cal[2] = %d\n", tx_cal[2])); + PHY_DEBUG(("[CAL] tx_cal[3] = %d\n", tx_cal[3])); + + //if ((tx_cal[0] == 0) && (tx_cal[1] == 0) && + // (tx_cal[2] == 0) && (tx_cal[3] == 0)) + //{ + // PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n")); + // PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION COMPLETE !!\n")); + // PHY_DEBUG(("[CAL] ******************************************\n")); + // return 0; + //} + + // g. + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28); + tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24); + tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20); + tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val)); + tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + + } + + PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0])); + PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1])); + PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2])); + PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + if (((tx_cal_reg[0]==7) || (tx_cal_reg[0]==(-8))) && + ((tx_cal_reg[3]==7) || (tx_cal_reg[3]==(-8)))) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + else // 2nd-cut + { + if (((tx_cal_reg[0]==31) || (tx_cal_reg[0]==(-32))) && + ((tx_cal_reg[3]==31) || (tx_cal_reg[3]==(-32)))) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + + tx_cal[0] = tx_cal[0] + tx_cal_reg[0]; + tx_cal[1] = tx_cal[1] + tx_cal_reg[1]; + tx_cal[2] = tx_cal[2] + tx_cal_reg[2]; + tx_cal[3] = tx_cal[3] + tx_cal_reg[3]; + PHY_DEBUG(("[CAL] ** apply tx_cal[0] = %d\n", tx_cal[0])); + PHY_DEBUG(("[CAL] apply tx_cal[1] = %d\n", tx_cal[1])); + PHY_DEBUG(("[CAL] apply tx_cal[2] = %d\n", tx_cal[2])); + PHY_DEBUG(("[CAL] apply tx_cal[3] = %d\n", tx_cal[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0x0000FFFF; + val |= ((_s32_to_s4(tx_cal[0]) << 28)| + (_s32_to_s4(tx_cal[1]) << 24)| + (_s32_to_s4(tx_cal[2]) << 20)| + (_s32_to_s4(tx_cal[3]) << 16)); + hw_set_dxx_reg(phw_data, 0x54, val); + PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val)); + return 0; + } + else // 2nd-cut + { + val &= 0x000003FF; + val |= ((_s32_to_s5(tx_cal[0]) << 27)| + (_s32_to_s6(tx_cal[1]) << 21)| + (_s32_to_s6(tx_cal[2]) << 15)| + (_s32_to_s5(tx_cal[3]) << 10)); + hw_set_dxx_reg(phw_data, 0x3C, val); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION = 0x%08X\n", val)); + return 0; + } + + // i. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + loop--; + } + + return 1; +} + +void _tx_iq_calibration_winbond(hw_data_t *phw_data) +{ + u32 reg_agc_ctrl3; +#ifdef _DEBUG + s32 tx_cal_reg[4]; + +#endif + u32 reg_mode_ctrl; + u32 val; + u8 result; + + PHY_DEBUG(("[CAL] -> [4]_tx_iq_calibration()\n")); + + //0x01 0xEE3FC2 ; 3B8FF ; Calibration (6a). enable TX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2); + //0x0B 0x1905D6 ; 06417 ; Calibration (6b). enable TX I/Q cal loop squaring circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x19BDD6); // 20060612.1.a 0x1905D6); + //0x05 0x24C60A ; 09318 ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)|0x24C60A); //0x24C60A (high temperature) + //0x06 0x06880C ; 01A20 ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x34880C); // 20060612.1.a 0x06890C); + //0x00 0xFDF1C0 ; 3F7C7 ; Calibration (6e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0); + //; [BB-chip]: Calibration (6f).Send test pattern + //; [BB-chip]: Calibration (6g). Search RXGCL optimal value + //; [BB-chip]: Calibration (6h). Caculate TX-path IQ imbalance and setting TX path IQ compensation table + //phy_set_rf_data(phw_data, 3, (3<<24)|0x025586); + + OS_SLEEP(30000); // 20060612.1.a 30ms delay. Add the follow 2 lines + //To adjust TXVGA to fit iq_mag_0 range from 1250 ~ 1750 + adjust_TXVGA_for_iq_mag( phw_data ); + + // a. Disable AGC + hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, ®_agc_ctrl3); + reg_agc_ctrl3 &= ~BIT(2); + reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + + hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val); + val |= MASK_AGC_FIX_GAIN; + hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val); + + result = _tx_iq_calibration_loop_winbond(phw_data, 150, 100); + + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + result = _tx_iq_calibration_loop_winbond(phw_data, 300, 200); + + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + result = _tx_iq_calibration_loop_winbond(phw_data, 500, 400); + if (result > 0) + { + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + + + result = _tx_iq_calibration_loop_winbond(phw_data, 700, 500); + + if (result > 0) + { + PHY_DEBUG(("[CAL] ** <_tx_iq_calibration> **************\n")); + PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION FAILURE !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + val &= 0x0000FFFF; + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + val &= 0x000003FF; + hw_set_dxx_reg(phw_data, 0x3C, val); + } + } + } + } + } + + // i. Set "calib_start" to 0x0 + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~MASK_CALIB_START; + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + // g. Enable AGC + //hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val); + reg_agc_ctrl3 |= BIT(2); + reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX); + hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3); + +#ifdef _DEBUG + if (phw_data->revision == 0x2002) // 1st-cut + { + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28); + tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24); + tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20); + tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16); + } + else // 2nd-cut + { + hw_get_dxx_reg(phw_data, 0x3C, &val); + PHY_DEBUG(("[CAL] ** 0x3C = 0x%08X\n", val)); + tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + + } + + PHY_DEBUG(("[CAL] ** tx_cal_reg[0] = %d\n", tx_cal_reg[0])); + PHY_DEBUG(("[CAL] tx_cal_reg[1] = %d\n", tx_cal_reg[1])); + PHY_DEBUG(("[CAL] tx_cal_reg[2] = %d\n", tx_cal_reg[2])); + PHY_DEBUG(("[CAL] tx_cal_reg[3] = %d\n", tx_cal_reg[3])); +#endif + + + // for test - BEN + // RF Control Override +} + +///////////////////////////////////////////////////////////////////////////////////////// +u8 _rx_iq_calibration_loop_winbond(hw_data_t *phw_data, u16 factor, u32 frequency) +{ + u32 reg_mode_ctrl; + s32 iqcal_tone_i; + s32 iqcal_tone_q; + s32 iqcal_image_i; + s32 iqcal_image_q; + s32 rot_tone_i_b; + s32 rot_tone_q_b; + s32 rot_image_i_b; + s32 rot_image_q_b; + s32 rx_cal_flt_b[4]; + s32 rx_cal[4]; + s32 rx_cal_reg[4]; + s32 a_2, b_2; + s32 sin_b, sin_2b; + s32 cos_b, cos_2b; + s32 temp1, temp2; + u32 val; + u16 loop; + + u32 pwr_tone; + u32 pwr_image; + u8 verify_count; + + s32 iqcal_tone_i_avg,iqcal_tone_q_avg; + s32 iqcal_image_i_avg,iqcal_image_q_avg; + u16 capture_time; + + PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration_loop()\n")); + PHY_DEBUG(("[CAL] ** factor = %d\n", factor)); + + +// RF Control Override + hw_get_cxx_reg(phw_data, 0x80, &val); + val |= BIT(19); + hw_set_cxx_reg(phw_data, 0x80, val); + +// RF_Ctrl + hw_get_cxx_reg(phw_data, 0xE4, &val); + val |= BIT(0); + hw_set_cxx_reg(phw_data, 0xE4, val); + PHY_DEBUG(("[CAL] ** RF_CTRL(0xE4) = 0x%08X", val)); + + hw_set_dxx_reg(phw_data, 0x58, 0x44444444); // IQ_Alpha + + // b. + + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + verify_count = 0; + + //for (loop = 0; loop < 1; loop++) + //for (loop = 0; loop < LOOP_TIMES; loop++) + loop = LOOP_TIMES; + while (loop > 0) + { + PHY_DEBUG(("[CAL] [%d.] <_rx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1))); + iqcal_tone_i_avg=0; + iqcal_tone_q_avg=0; + iqcal_image_i_avg=0; + iqcal_image_q_avg=0; + capture_time=0; + + for(capture_time=0; capture_time<10; capture_time++) + { + // i. Set "calib_start" to 0x0 + reg_mode_ctrl &= ~MASK_CALIB_START; + if( !hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl) )//20060718.1 modify + return 0; + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); + + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x1); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + pa_stall_execution(US); //Should be read out after 450us + + // c. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + + iqcal_tone_i = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i = %d, iqcal_tone_q = %d\n", + iqcal_tone_i, iqcal_tone_q)); + + hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val); + PHY_DEBUG(("[CAL] CALIB_READ2 = 0x%08X\n", val)); + + iqcal_image_i = _s13_to_s32(val & 0x00001FFF); + iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_image_i = %d, iqcal_image_q = %d\n", + iqcal_image_i, iqcal_image_q)); + if( capture_time == 0) + { + continue; + } + else + { + iqcal_image_i_avg=( iqcal_image_i_avg*(capture_time-1) +iqcal_image_i)/capture_time; + iqcal_image_q_avg=( iqcal_image_q_avg*(capture_time-1) +iqcal_image_q)/capture_time; + iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time; + iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time; + } + } + + + iqcal_image_i = iqcal_image_i_avg; + iqcal_image_q = iqcal_image_q_avg; + iqcal_tone_i = iqcal_tone_i_avg; + iqcal_tone_q = iqcal_tone_q_avg; + + // d. + rot_tone_i_b = (iqcal_tone_i * iqcal_tone_i + + iqcal_tone_q * iqcal_tone_q) / 1024; + rot_tone_q_b = (iqcal_tone_i * iqcal_tone_q * (-1) + + iqcal_tone_q * iqcal_tone_i) / 1024; + rot_image_i_b = (iqcal_image_i * iqcal_tone_i - + iqcal_image_q * iqcal_tone_q) / 1024; + rot_image_q_b = (iqcal_image_i * iqcal_tone_q + + iqcal_image_q * iqcal_tone_i) / 1024; + + PHY_DEBUG(("[CAL] ** rot_tone_i_b = %d\n", rot_tone_i_b)); + PHY_DEBUG(("[CAL] ** rot_tone_q_b = %d\n", rot_tone_q_b)); + PHY_DEBUG(("[CAL] ** rot_image_i_b = %d\n", rot_image_i_b)); + PHY_DEBUG(("[CAL] ** rot_image_q_b = %d\n", rot_image_q_b)); + + // f. + if (rot_tone_i_b == 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** rot_tone_i_b=0 to calculate EPS and THETA !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + a_2 = (rot_image_i_b * 32768) / rot_tone_i_b - + phw_data->iq_rsdl_gain_tx_d2; + b_2 = (rot_image_q_b * 32768) / rot_tone_i_b - + phw_data->iq_rsdl_phase_tx_d2; + + PHY_DEBUG(("[CAL] ** iq_rsdl_gain_tx_d2 = %d\n", phw_data->iq_rsdl_gain_tx_d2)); + PHY_DEBUG(("[CAL] ** iq_rsdl_phase_tx_d2= %d\n", phw_data->iq_rsdl_phase_tx_d2)); + PHY_DEBUG(("[CAL] ***** EPSILON/2 = %d\n", a_2)); + PHY_DEBUG(("[CAL] ***** THETA/2 = %d\n", b_2)); + + _sin_cos(b_2, &sin_b, &cos_b); + _sin_cos(b_2*2, &sin_2b, &cos_2b); + PHY_DEBUG(("[CAL] ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b)); + PHY_DEBUG(("[CAL] ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b)); + + if (cos_2b == 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n")); + PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n")); + PHY_DEBUG(("[CAL] ******************************************\n")); + break; + } + + // 1280 * 32768 = 41943040 + temp1 = (41943040/cos_2b)*cos_b; + + //temp2 = (41943040/cos_2b)*sin_b*(-1); + if (phw_data->revision == 0x2002) // 1st-cut + { + temp2 = (41943040/cos_2b)*sin_b*(-1); + } + else // 2nd-cut + { + temp2 = (41943040*4/cos_2b)*sin_b*(-1); + } + + rx_cal_flt_b[0] = _floor(temp1/(32768+a_2)); + rx_cal_flt_b[1] = _floor(temp2/(32768-a_2)); + rx_cal_flt_b[2] = _floor(temp2/(32768+a_2)); + rx_cal_flt_b[3] = _floor(temp1/(32768-a_2)); + + PHY_DEBUG(("[CAL] ** rx_cal_flt_b[0] = %d\n", rx_cal_flt_b[0])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[1] = %d\n", rx_cal_flt_b[1])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[2] = %d\n", rx_cal_flt_b[2])); + PHY_DEBUG(("[CAL] rx_cal_flt_b[3] = %d\n", rx_cal_flt_b[3])); + + rx_cal[0] = rx_cal_flt_b[0] - 128; + rx_cal[1] = rx_cal_flt_b[1]; + rx_cal[2] = rx_cal_flt_b[2]; + rx_cal[3] = rx_cal_flt_b[3] - 128; + PHY_DEBUG(("[CAL] ** rx_cal[0] = %d\n", rx_cal[0])); + PHY_DEBUG(("[CAL] rx_cal[1] = %d\n", rx_cal[1])); + PHY_DEBUG(("[CAL] rx_cal[2] = %d\n", rx_cal[2])); + PHY_DEBUG(("[CAL] rx_cal[3] = %d\n", rx_cal[3])); + + // e. + pwr_tone = (iqcal_tone_i*iqcal_tone_i + iqcal_tone_q*iqcal_tone_q); + pwr_image = (iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q)*factor; + + PHY_DEBUG(("[CAL] ** pwr_tone = %d\n", pwr_tone)); + PHY_DEBUG(("[CAL] ** pwr_image = %d\n", pwr_image)); + + if (pwr_tone > pwr_image) + { + verify_count++; + + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *************\n")); + PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count)); + PHY_DEBUG(("[CAL] ******************************************\n")); + + if (verify_count > 2) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION OK !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + return 0; + } + + continue; + } + // g. + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + + if (phw_data->revision == 0x2002) // 1st-cut + { + rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12); + rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8); + rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4); + rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F)); + } + else // 2nd-cut + { + rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + } + + PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0])); + PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1])); + PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2])); + PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3])); + + if (phw_data->revision == 0x2002) // 1st-cut + { + if (((rx_cal_reg[0]==7) || (rx_cal_reg[0]==(-8))) && + ((rx_cal_reg[3]==7) || (rx_cal_reg[3]==(-8)))) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + else // 2nd-cut + { + if (((rx_cal_reg[0]==31) || (rx_cal_reg[0]==(-32))) && + ((rx_cal_reg[3]==31) || (rx_cal_reg[3]==(-32)))) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + break; + } + } + + rx_cal[0] = rx_cal[0] + rx_cal_reg[0]; + rx_cal[1] = rx_cal[1] + rx_cal_reg[1]; + rx_cal[2] = rx_cal[2] + rx_cal_reg[2]; + rx_cal[3] = rx_cal[3] + rx_cal_reg[3]; + PHY_DEBUG(("[CAL] ** apply rx_cal[0] = %d\n", rx_cal[0])); + PHY_DEBUG(("[CAL] apply rx_cal[1] = %d\n", rx_cal[1])); + PHY_DEBUG(("[CAL] apply rx_cal[2] = %d\n", rx_cal[2])); + PHY_DEBUG(("[CAL] apply rx_cal[3] = %d\n", rx_cal[3])); + + hw_get_dxx_reg(phw_data, 0x54, &val); + if (phw_data->revision == 0x2002) // 1st-cut + { + val &= 0x0000FFFF; + val |= ((_s32_to_s4(rx_cal[0]) << 12)| + (_s32_to_s4(rx_cal[1]) << 8)| + (_s32_to_s4(rx_cal[2]) << 4)| + (_s32_to_s4(rx_cal[3]))); + hw_set_dxx_reg(phw_data, 0x54, val); + } + else // 2nd-cut + { + val &= 0x000003FF; + val |= ((_s32_to_s5(rx_cal[0]) << 27)| + (_s32_to_s6(rx_cal[1]) << 21)| + (_s32_to_s6(rx_cal[2]) << 15)| + (_s32_to_s5(rx_cal[3]) << 10)); + hw_set_dxx_reg(phw_data, 0x54, val); + + if( loop == 3 ) + return 0; + } + PHY_DEBUG(("[CAL] ** CALIB_DATA = 0x%08X\n", val)); + + loop--; + } + + return 1; +} + +////////////////////////////////////////////////////////// + +////////////////////////////////////////////////////////////////////////// +void _rx_iq_calibration_winbond(hw_data_t *phw_data, u32 frequency) +{ +// figo 20050523 marked thsi flag for can't compile for relesase +#ifdef _DEBUG + s32 rx_cal_reg[4]; + u32 val; +#endif + + u8 result; + + PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration()\n")); +// a. Set RFIC to "RX calibration mode" + //; ----- Calibration (7). RX path IQ imbalance calibration loop + // 0x01 0xFFBFC2 ; 3FEFF ; Calibration (7a). enable RX IQ calibration loop circuits + phy_set_rf_data(phw_data, 1, (1<<24)|0xEFBFC2); + // 0x0B 0x1A01D6 ; 06817 ; Calibration (7b). enable RX I/Q cal loop SW1 circuit + phy_set_rf_data(phw_data, 11, (11<<24)|0x1A05D6); + //0x05 0x24848A ; 09212 ; Calibration (7c). setting TX-VGA gain (TXGCH) to 2 --> to be optimized + phy_set_rf_data(phw_data, 5, (5<<24)| phw_data->txvga_setting_for_cal); + //0x06 0x06840C ; 01A10 ; Calibration (7d). RXGCH=00; RXGCL=010 000 (RXVGA) --> to be optimized + phy_set_rf_data(phw_data, 6, (6<<24)|0x06834C); + //0x00 0xFFF1C0 ; 3F7C7 ; Calibration (7e). turn on IQ imbalance/Test mode + phy_set_rf_data(phw_data, 0, (0<<24)|0xFFF1C0); + + // ; [BB-chip]: Calibration (7f). Send test pattern + // ; [BB-chip]: Calibration (7g). Search RXGCL optimal value + // ; [BB-chip]: Calibration (7h). Caculate RX-path IQ imbalance and setting RX path IQ compensation table + + result = _rx_iq_calibration_loop_winbond(phw_data, 12589, frequency); + + if (result > 0) + { + _reset_rx_cal(phw_data); + result = _rx_iq_calibration_loop_winbond(phw_data, 7943, frequency); + + if (result > 0) + { + _reset_rx_cal(phw_data); + result = _rx_iq_calibration_loop_winbond(phw_data, 5011, frequency); + + if (result > 0) + { + PHY_DEBUG(("[CAL] ** <_rx_iq_calibration> **************\n")); + PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION FAILURE !!\n")); + PHY_DEBUG(("[CAL] **************************************\n")); + _reset_rx_cal(phw_data); + } + } + } + +#ifdef _DEBUG + hw_get_dxx_reg(phw_data, 0x54, &val); + PHY_DEBUG(("[CAL] ** 0x54 = 0x%08X\n", val)); + + if (phw_data->revision == 0x2002) // 1st-cut + { + rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12); + rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >> 8); + rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >> 4); + rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F)); + } + else // 2nd-cut + { + rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27); + rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21); + rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15); + rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10); + } + + PHY_DEBUG(("[CAL] ** rx_cal_reg[0] = %d\n", rx_cal_reg[0])); + PHY_DEBUG(("[CAL] rx_cal_reg[1] = %d\n", rx_cal_reg[1])); + PHY_DEBUG(("[CAL] rx_cal_reg[2] = %d\n", rx_cal_reg[2])); + PHY_DEBUG(("[CAL] rx_cal_reg[3] = %d\n", rx_cal_reg[3])); +#endif + +} + +//////////////////////////////////////////////////////////////////////// +void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency) +{ + u32 reg_mode_ctrl; + u32 iq_alpha; + + PHY_DEBUG(("[CAL] -> phy_calibration_winbond()\n")); + + // 20040701 1.1.25.1000 kevin + hw_get_cxx_reg(phw_data, 0x80, &mac_ctrl); + hw_get_cxx_reg(phw_data, 0xE4, &rf_ctrl); + hw_get_dxx_reg(phw_data, 0x58, &iq_alpha); + + + + _rxadc_dc_offset_cancellation_winbond(phw_data, frequency); + //_txidac_dc_offset_cancellation_winbond(phw_data); + //_txqdac_dc_offset_cacellation_winbond(phw_data); + + _tx_iq_calibration_winbond(phw_data); + _rx_iq_calibration_winbond(phw_data, frequency); + + //------------------------------------------------------------------------ + hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl); + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE|MASK_CALIB_START); // set when finish + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + // i. Set RFIC to "Normal mode" + hw_set_cxx_reg(phw_data, 0x80, mac_ctrl); + hw_set_cxx_reg(phw_data, 0xE4, rf_ctrl); + hw_set_dxx_reg(phw_data, 0x58, iq_alpha); + + + //------------------------------------------------------------------------ + phy_init_rf(phw_data); + +} + +//=========================== +void phy_set_rf_data( phw_data_t pHwData, u32 index, u32 value ) +{ + u32 ltmp=0; + + switch( pHwData->phy_type ) + { + case RF_MAXIM_2825: + case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2827: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2828: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_MAXIM_2829: + ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 ); + break; + + case RF_AIROHA_2230: + case RF_AIROHA_2230S: // 20060420 Add this + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( value, 20 ); + break; + + case RF_AIROHA_7230: + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | (value&0xffffff); + break; + + case RF_WB_242: + case RF_WB_242_1: // 20060619.5 Add + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( value, 24 ); + break; + } + + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); +} + +// 20060717 modify as Bruce's mail +unsigned char adjust_TXVGA_for_iq_mag(hw_data_t *phw_data) +{ + int init_txvga = 0; + u32 reg_mode_ctrl; + u32 val; + s32 iqcal_tone_i0; + s32 iqcal_tone_q0; + u32 sqsum; + s32 iq_mag_0_tx; + u8 reg_state; + int current_txvga; + + + reg_state = 0; + for( init_txvga=0; init_txvga<10; init_txvga++) + { + current_txvga = ( 0x24C40A|(init_txvga<<6) ); + phy_set_rf_data(phw_data, 5, ((5<<24)|current_txvga) ); + phw_data->txvga_setting_for_cal = current_txvga; + + //pa_stall_execution(30000);//Sleep(30); + OS_SLEEP(30000); // 20060612.1.a + + if( !hw_get_dxx_reg(phw_data, REG_MODE_CTRL, ®_mode_ctrl) ) // 20060718.1 modify + return FALSE; + + PHY_DEBUG(("[CAL] MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl)); + + // a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to + // enable "IQ alibration Mode II" + reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE); + reg_mode_ctrl &= ~MASK_IQCAL_MODE; + reg_mode_ctrl |= (MASK_CALIB_START|0x02); + reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2); + hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl); + PHY_DEBUG(("[CAL] MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl)); + + //pa_stall_execution(US); + OS_SLEEP(1); // 20060612.1.a + + //pa_stall_execution(300);//Sleep(30); + OS_SLEEP(300); // 20060612.1.a + + // b. + hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val); + + PHY_DEBUG(("[CAL] CALIB_READ1 = 0x%08X\n", val)); + //pa_stall_execution(US); + //pa_stall_execution(300);//Sleep(30); + OS_SLEEP(300); // 20060612.1.a + + iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF); + iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13); + PHY_DEBUG(("[CAL] ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n", + iqcal_tone_i0, iqcal_tone_q0)); + + sqsum = iqcal_tone_i0*iqcal_tone_i0 + iqcal_tone_q0*iqcal_tone_q0; + iq_mag_0_tx = (s32) _sqrt(sqsum); + PHY_DEBUG(("[CAL] ** auto_adjust_txvga_for_iq_mag_0_tx=%d\n", iq_mag_0_tx)); + + if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 ) + break; + else if(iq_mag_0_tx > 1750) + { + init_txvga=-2; + continue; + } + else + continue; + + } + + if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 ) + return TRUE; + else + return FALSE; +} + + + diff --git a/drivers/staging/winbond/phy_calibration.h b/drivers/staging/winbond/phy_calibration.h new file mode 100644 index 000000000000..b6a65d313019 --- /dev/null +++ b/drivers/staging/winbond/phy_calibration.h @@ -0,0 +1,101 @@ +// 20031229 Turbo add +#define REG_AGC_CTRL1 0x1000 +#define REG_AGC_CTRL2 0x1004 +#define REG_AGC_CTRL3 0x1008 +#define REG_AGC_CTRL4 0x100C +#define REG_AGC_CTRL5 0x1010 +#define REG_AGC_CTRL6 0x1014 +#define REG_AGC_CTRL7 0x1018 +#define REG_AGC_CTRL8 0x101C +#define REG_AGC_CTRL9 0x1020 +#define REG_AGC_CTRL10 0x1024 +#define REG_CCA_CTRL 0x1028 +#define REG_A_ACQ_CTRL 0x102C +#define REG_B_ACQ_CTRL 0x1030 +#define REG_A_TXRX_CTRL 0x1034 +#define REG_B_TXRX_CTRL 0x1038 +#define REG_A_TX_COEF3 0x103C +#define REG_A_TX_COEF2 0x1040 +#define REG_A_TX_COEF1 0x1044 +#define REG_B_TX_COEF2 0x1048 +#define REG_B_TX_COEF1 0x104C +#define REG_MODE_CTRL 0x1050 +#define REG_CALIB_DATA 0x1054 +#define REG_IQ_ALPHA 0x1058 +#define REG_DC_CANCEL 0x105C +#define REG_WTO_READ 0x1060 +#define REG_OFFSET_READ 0x1064 +#define REG_CALIB_READ1 0x1068 +#define REG_CALIB_READ2 0x106C +#define REG_A_FREQ_EST 0x1070 + + + + +// 20031101 Turbo add +#define MASK_AMER_OFF_REG BIT(31) + +#define MASK_BMER_OFF_REG BIT(31) + +#define MASK_LNA_FIX_GAIN (BIT(3)|BIT(4)) +#define MASK_AGC_FIX BIT(1) + +#define MASK_AGC_FIX_GAIN 0xFF00 + +#define MASK_ADC_DC_CAL_STR BIT(10) +#define MASK_CALIB_START BIT(4) +#define MASK_IQCAL_TONE_SEL (BIT(3)|BIT(2)) +#define MASK_IQCAL_MODE (BIT(1)|BIT(0)) + +#define MASK_TX_CAL_0 0xF0000000 +#define TX_CAL_0_SHIFT 28 +#define MASK_TX_CAL_1 0x0F000000 +#define TX_CAL_1_SHIFT 24 +#define MASK_TX_CAL_2 0x00F00000 +#define TX_CAL_2_SHIFT 20 +#define MASK_TX_CAL_3 0x000F0000 +#define TX_CAL_3_SHIFT 16 +#define MASK_RX_CAL_0 0x0000F000 +#define RX_CAL_0_SHIFT 12 +#define MASK_RX_CAL_1 0x00000F00 +#define RX_CAL_1_SHIFT 8 +#define MASK_RX_CAL_2 0x000000F0 +#define RX_CAL_2_SHIFT 4 +#define MASK_RX_CAL_3 0x0000000F +#define RX_CAL_3_SHIFT 0 + +#define MASK_CANCEL_DC_I 0x3E0 +#define CANCEL_DC_I_SHIFT 5 +#define MASK_CANCEL_DC_Q 0x01F +#define CANCEL_DC_Q_SHIFT 0 + +// LA20040210 kevin +//#define MASK_ADC_DC_CAL_I(x) (((x)&0x1FE00)>>9) +//#define MASK_ADC_DC_CAL_Q(x) ((x)&0x1FF) +#define MASK_ADC_DC_CAL_I(x) (((x)&0x0003FE00)>>9) +#define MASK_ADC_DC_CAL_Q(x) ((x)&0x000001FF) + +// LA20040210 kevin (Turbo has wrong definition) +//#define MASK_IQCAL_TONE_I 0x7FFC000 +//#define SHIFT_IQCAL_TONE_I(x) ((x)>>13) +//#define MASK_IQCAL_TONE_Q 0x1FFF +//#define SHIFT_IQCAL_TONE_Q(x) ((x)>>0) +#define MASK_IQCAL_TONE_I 0x00001FFF +#define SHIFT_IQCAL_TONE_I(x) ((x)>>0) +#define MASK_IQCAL_TONE_Q 0x03FFE000 +#define SHIFT_IQCAL_TONE_Q(x) ((x)>>13) + +// LA20040210 kevin (Turbo has wrong definition) +//#define MASK_IQCAL_IMAGE_I 0x7FFC000 +//#define SHIFT_IQCAL_IMAGE_I(x) ((x)>>13) +//#define MASK_IQCAL_IMAGE_Q 0x1FFF +//#define SHIFT_IQCAL_IMAGE_Q(x) ((x)>>0) + +//#define MASK_IQCAL_IMAGE_I 0x00001FFF +//#define SHIFT_IQCAL_IMAGE_I(x) ((x)>>0) +//#define MASK_IQCAL_IMAGE_Q 0x03FFE000 +//#define SHIFT_IQCAL_IMAGE_Q(x) ((x)>>13) + +void phy_set_rf_data( phw_data_t pHwData, u32 index, u32 value ); +#define phy_init_rf( _A ) //RFSynthesizer_initial( _A ) + diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c new file mode 100644 index 000000000000..b475c7a7c424 --- /dev/null +++ b/drivers/staging/winbond/reg.c @@ -0,0 +1,2683 @@ +#include "os_common.h" + +/////////////////////////////////////////////////////////////////////////////////////////////////// +// Original Phy.h +//***************************************************************************** + +/***************************************************************************** +; For MAXIM2825/6/7 Ver. 331 or more +; Edited by Tiger, Sep-17-2003 +; revised by Ben, Sep-18-2003 + +0x00 0x000a2 +0x01 0x21cc0 +;0x02 0x13802 +0x02 0x1383a + +;channe1 01 ; 0x03 0x30142 ; 0x04 0x0b333; +;channe1 02 ;0x03 0x32141 ;0x04 0x08444; +;channe1 03 ;0x03 0x32143 ;0x04 0x0aeee; +;channe1 04 ;0x03 0x32142 ;0x04 0x0b333; +;channe1 05 ;0x03 0x31141 ;0x04 0x08444; +;channe1 06 ; +0x03 0x31143; +0x04 0x0aeee; +;channe1 07 ;0x03 0x31142 ;0x04 0x0b333; +;channe1 08 ;0x03 0x33141 ;0x04 0x08444; +;channe1 09 ;0x03 0x33143 ;0x04 0x0aeee; +;channe1 10 ;0x03 0x33142 ;0x04 0x0b333; +;channe1 11 ;0x03 0x30941 ;0x04 0x08444; +;channe1 12 ;0x03 0x30943 ;0x04 0x0aeee; +;channe1 13 ;0x03 0x30942 ;0x04 0x0b333; + +0x05 0x28986 +0x06 0x18008 +0x07 0x38400 +0x08 0x05100; 100 Hz DC +;0x08 0x05900; 30 KHz DC +0x09 0x24f08 +0x0a 0x17e00, 0x17ea0 +0x0b 0x37d80 +0x0c 0x0c900 // 0x0ca00 (lager power 9db than 0x0c000), 0x0c000 +*****************************************************************************/ +// MAX2825 (pure b/g) +u32 max2825_rf_data[] = +{ + (0x00<<18)|0x000a2, + (0x01<<18)|0x21cc0, + (0x02<<18)|0x13806, + (0x03<<18)|0x30142, + (0x04<<18)|0x0b333, + (0x05<<18)|0x289A6, + (0x06<<18)|0x18008, + (0x07<<18)|0x38000, + (0x08<<18)|0x05100, + (0x09<<18)|0x24f08, + (0x0A<<18)|0x14000, + (0x0B<<18)|0x37d80, + (0x0C<<18)|0x0c100 // 11a: 0x0c300, 11g: 0x0c100 +}; + +u32 max2825_channel_data_24[][3] = +{ + {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01 + {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02 + {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03 + {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04 + {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05 + {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06 + {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07 + {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08 + {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09 + {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10 + {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11 + {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12 + {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13 + {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6} // 14 (2484MHz) hhmodify +}; + +u32 max2825_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100}; + +/****************************************************************************/ +// MAX2827 (a/b/g) +u32 max2827_rf_data[] = +{ + (0x00<<18)|0x000a2, + (0x01<<18)|0x21cc0, + (0x02<<18)|0x13806, + (0x03<<18)|0x30142, + (0x04<<18)|0x0b333, + (0x05<<18)|0x289A6, + (0x06<<18)|0x18008, + (0x07<<18)|0x38000, + (0x08<<18)|0x05100, + (0x09<<18)|0x24f08, + (0x0A<<18)|0x14000, + (0x0B<<18)|0x37d80, + (0x0C<<18)|0x0c100 // 11a: 0x0c300, 11g: 0x0c100 +}; + +u32 max2827_channel_data_24[][3] = +{ + {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01 + {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02 + {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03 + {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04 + {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05 + {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06 + {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07 + {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08 + {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09 + {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10 + {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11 + {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12 + {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13 + {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6} // 14 (2484MHz) hhmodify +}; + +u32 max2827_channel_data_50[][3] = +{ + {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 36 + {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 40 + {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6}, // channel 44 + {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x2A9A6}, // channel 48 + {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x2A9A6}, // channel 52 + {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 56 + {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 60 + {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6} // channel 64 +}; + +u32 max2827_power_data_24[] = {(0x0C<<18)|0x0C000, (0x0C<<18)|0x0D600, (0x0C<<18)|0x0C100}; +u32 max2827_power_data_50[] = {(0x0C<<18)|0x0C400, (0x0C<<18)|0x0D500, (0x0C<<18)|0x0C300}; + +/****************************************************************************/ +// MAX2828 (a/b/g) +u32 max2828_rf_data[] = +{ + (0x00<<18)|0x000a2, + (0x01<<18)|0x21cc0, + (0x02<<18)|0x13806, + (0x03<<18)|0x30142, + (0x04<<18)|0x0b333, + (0x05<<18)|0x289A6, + (0x06<<18)|0x18008, + (0x07<<18)|0x38000, + (0x08<<18)|0x05100, + (0x09<<18)|0x24f08, + (0x0A<<18)|0x14000, + (0x0B<<18)|0x37d80, + (0x0C<<18)|0x0c100 // 11a: 0x0c300, 11g: 0x0c100 +}; + +u32 max2828_channel_data_24[][3] = +{ + {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01 + {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02 + {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03 + {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04 + {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05 + {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06 + {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07 + {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08 + {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09 + {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10 + {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11 + {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12 + {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13 + {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6} // 14 (2484MHz) hhmodify +}; + +u32 max2828_channel_data_50[][3] = +{ + {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 36 + {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 40 + {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channel 44 + {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}, // channel 48 + {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x289A6}, // channel 52 + {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 56 + {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 60 + {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6} // channel 64 +}; + +u32 max2828_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100}; +u32 max2828_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100}; + +/****************************************************************************/ +// LA20040728 kevin +// MAX2829 (a/b/g) +u32 max2829_rf_data[] = +{ + (0x00<<18)|0x000a2, + (0x01<<18)|0x23520, + (0x02<<18)|0x13802, + (0x03<<18)|0x30142, + (0x04<<18)|0x0b333, + (0x05<<18)|0x28906, + (0x06<<18)|0x18008, + (0x07<<18)|0x3B500, + (0x08<<18)|0x05100, + (0x09<<18)|0x24f08, + (0x0A<<18)|0x14000, + (0x0B<<18)|0x37d80, + (0x0C<<18)|0x0F300 //TXVGA=51, (MAX-6 dB) +}; + +u32 max2829_channel_data_24[][3] = +{ + {(3<<18)|0x30142, (4<<18)|0x0b333, (5<<18)|0x289C6}, // 01 (2412MHz) + {(3<<18)|0x32141, (4<<18)|0x08444, (5<<18)|0x289C6}, // 02 (2417MHz) + {(3<<18)|0x32143, (4<<18)|0x0aeee, (5<<18)|0x289C6}, // 03 (2422MHz) + {(3<<18)|0x32142, (4<<18)|0x0b333, (5<<18)|0x289C6}, // 04 (2427MHz) + {(3<<18)|0x31141, (4<<18)|0x08444, (5<<18)|0x289C6}, // 05 (2432MHz) + {(3<<18)|0x31143, (4<<18)|0x0aeee, (5<<18)|0x289C6}, // 06 (2437MHz) + {(3<<18)|0x31142, (4<<18)|0x0b333, (5<<18)|0x289C6}, // 07 (2442MHz) + {(3<<18)|0x33141, (4<<18)|0x08444, (5<<18)|0x289C6}, // 08 (2447MHz) + {(3<<18)|0x33143, (4<<18)|0x0aeee, (5<<18)|0x289C6}, // 09 (2452MHz) + {(3<<18)|0x33142, (4<<18)|0x0b333, (5<<18)|0x289C6}, // 10 (2457MHz) + {(3<<18)|0x30941, (4<<18)|0x08444, (5<<18)|0x289C6}, // 11 (2462MHz) + {(3<<18)|0x30943, (4<<18)|0x0aeee, (5<<18)|0x289C6}, // 12 (2467MHz) + {(3<<18)|0x30942, (4<<18)|0x0b333, (5<<18)|0x289C6}, // 13 (2472MHz) + {(3<<18)|0x32941, (4<<18)|0x09999, (5<<18)|0x289C6}, // 14 (2484MHz) hh-modify +}; + +u32 max2829_channel_data_50[][4] = +{ + {36, (3<<18)|0x33cc3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 36 (5.180GHz) + {40, (3<<18)|0x302c0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 40 (5.200GHz) + {44, (3<<18)|0x302c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 44 (5.220GHz) + {48, (3<<18)|0x322c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 48 (5.240GHz) + {52, (3<<18)|0x312c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 52 (5.260GHz) + {56, (3<<18)|0x332c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 56 (5.280GHz) + {60, (3<<18)|0x30ac0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 60 (5.300GHz) + {64, (3<<18)|0x30ac2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 64 (5.320GHz) + + {100, (3<<18)|0x30ec0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 100 (5.500GHz) + {104, (3<<18)|0x30ec2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 104 (5.520GHz) + {108, (3<<18)|0x32ec1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 108 (5.540GHz) + {112, (3<<18)|0x31ec1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 112 (5.560GHz) + {116, (3<<18)|0x33ec3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 116 (5.580GHz) + {120, (3<<18)|0x301c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 120 (5.600GHz) + {124, (3<<18)|0x301c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 124 (5.620GHz) + {128, (3<<18)|0x321c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 128 (5.640GHz) + {132, (3<<18)|0x311c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 132 (5.660GHz) + {136, (3<<18)|0x331c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 136 (5.680GHz) + {140, (3<<18)|0x309c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 140 (5.700GHz) + + {149, (3<<18)|0x329c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 149 (5.745GHz) + {153, (3<<18)|0x319c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 153 (5.765GHz) + {157, (3<<18)|0x339c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 157 (5.785GHz) + {161, (3<<18)|0x305c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 161 (5.805GHz) + + // Japan + { 184, (3<<18)|0x308c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 184 (4.920GHz) + { 188, (3<<18)|0x328c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 188 (4.940GHz) + { 192, (3<<18)|0x318c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 192 (4.960GHz) + { 196, (3<<18)|0x338c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 196 (4.980GHz) + { 8, (3<<18)|0x324c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 8 (5.040GHz) + { 12, (3<<18)|0x314c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 12 (5.060GHz) + { 16, (3<<18)|0x334c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 16 (5.080GHz) + { 34, (3<<18)|0x31cc2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 34 (5.170GHz) + { 38, (3<<18)|0x33cc1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 38 (5.190GHz) + { 42, (3<<18)|0x302c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 42 (5.210GHz) + { 46, (3<<18)|0x322c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 46 (5.230GHz) +}; + +/***************************************************************************** +; For MAXIM2825/6/7 Ver. 317 or less +; Edited by Tiger, Sep-17-2003 for 2.4Ghz channels +; Updated by Tiger, Sep-22-2003 for 5.0Ghz channels +; Corrected by Tiger, Sep-23-2003, for 0x03 and 0x04 of 5.0Ghz channels + +0x00 0x00080 +0x01 0x214c0 +0x02 0x13802 + +;2.4GHz Channels +;channe1 01 (2.412GHz); 0x03 0x30143 ;0x04 0x0accc +;channe1 02 (2.417GHz); 0x03 0x32140 ;0x04 0x09111 +;channe1 03 (2.422GHz); 0x03 0x32142 ;0x04 0x0bbbb +;channe1 04 (2.427GHz); 0x03 0x32143 ;0x04 0x0accc +;channe1 05 (2.432GHz); 0x03 0x31140 ;0x04 0x09111 +;channe1 06 (2.437GHz); 0x03 0x31142 ;0x04 0x0bbbb +;channe1 07 (2.442GHz); 0x03 0x31143 ;0x04 0x0accc +;channe1 08 (2.447GHz); 0x03 0x33140 ;0x04 0x09111 +;channe1 09 (2.452GHz); 0x03 0x33142 ;0x04 0x0bbbb +;channe1 10 (2.457GHz); 0x03 0x33143 ;0x04 0x0accc +;channe1 11 (2.462GHz); 0x03 0x30940 ;0x04 0x09111 +;channe1 12 (2.467GHz); 0x03 0x30942 ;0x04 0x0bbbb +;channe1 13 (2.472GHz); 0x03 0x30943 ;0x04 0x0accc + +;5.0Ghz Channels +;channel 36 (5.180GHz); 0x03 0x33cc0 ;0x04 0x0b333 +;channel 40 (5.200GHz); 0x03 0x302c0 ;0x04 0x08000 +;channel 44 (5.220GHz); 0x03 0x302c2 ;0x04 0x0b333 +;channel 48 (5.240GHz); 0x03 0x322c1 ;0x04 0x09999 +;channel 52 (5.260GHz); 0x03 0x312c1 ;0x04 0x0a666 +;channel 56 (5.280GHz); 0x03 0x332c3 ;0x04 0x08ccc +;channel 60 (5.300GHz); 0x03 0x30ac0 ;0x04 0x08000 +;channel 64 (5.320GHz); 0x03 0x30ac2 ;0x04 0x08333 + +;2.4GHz band ;0x05 0x28986; +;5.0GHz band +0x05 0x2a986 + +0x06 0x18008 +0x07 0x38400 +0x08 0x05108 +0x09 0x27ff8 +0x0a 0x14000 +0x0b 0x37f99 +0x0c 0x0c000 +*****************************************************************************/ +u32 maxim_317_rf_data[] = +{ + (0x00<<18)|0x000a2, + (0x01<<18)|0x214c0, + (0x02<<18)|0x13802, + (0x03<<18)|0x30143, + (0x04<<18)|0x0accc, + (0x05<<18)|0x28986, + (0x06<<18)|0x18008, + (0x07<<18)|0x38400, + (0x08<<18)|0x05108, + (0x09<<18)|0x27ff8, + (0x0A<<18)|0x14000, + (0x0B<<18)|0x37f99, + (0x0C<<18)|0x0c000 +}; + +u32 maxim_317_channel_data_24[][3] = +{ + {(0x03<<18)|0x30143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 01 + {(0x03<<18)|0x32140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 02 + {(0x03<<18)|0x32142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 03 + {(0x03<<18)|0x32143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 04 + {(0x03<<18)|0x31140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 05 + {(0x03<<18)|0x31142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 06 + {(0x03<<18)|0x31143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 07 + {(0x03<<18)|0x33140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 08 + {(0x03<<18)|0x33142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 09 + {(0x03<<18)|0x33143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 10 + {(0x03<<18)|0x30940, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 11 + {(0x03<<18)|0x30942, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 12 + {(0x03<<18)|0x30943, (0x04<<18)|0x0accc, (0x05<<18)|0x28986} // channe1 13 +}; + +u32 maxim_317_channel_data_50[][3] = +{ + {(0x03<<18)|0x33cc0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a986}, // channel 36 + {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2a986}, // channel 40 + {(0x03<<18)|0x302c3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a986}, // channel 44 + {(0x03<<18)|0x322c1, (0x04<<18)|0x09666, (0x05<<18)|0x2a986}, // channel 48 + {(0x03<<18)|0x312c2, (0x04<<18)|0x09999, (0x05<<18)|0x2a986}, // channel 52 + {(0x03<<18)|0x332c0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a99e}, // channel 56 + {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2a99e}, // channel 60 + {(0x03<<18)|0x30ac3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a99e} // channel 64 +}; + +u32 maxim_317_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100}; +u32 maxim_317_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100}; + +/***************************************************************************** +;;AL2230 MP (Mass Production Version) +;;RF Registers Setting for Airoha AL2230 silicon after June 1st, 2004 +;;Updated by Tiger Huang (June 1st, 2004) +;;20-bit length and LSB first + +;;Ch01 (2412MHz) ;0x00 0x09EFC ;0x01 0x8CCCC; +;;Ch02 (2417MHz) ;0x00 0x09EFC ;0x01 0x8CCCD; +;;Ch03 (2422MHz) ;0x00 0x09E7C ;0x01 0x8CCCC; +;;Ch04 (2427MHz) ;0x00 0x09E7C ;0x01 0x8CCCD; +;;Ch05 (2432MHz) ;0x00 0x05EFC ;0x01 0x8CCCC; +;;Ch06 (2437MHz) ;0x00 0x05EFC ;0x01 0x8CCCD; +;;Ch07 (2442MHz) ;0x00 0x05E7C ;0x01 0x8CCCC; +;;Ch08 (2447MHz) ;0x00 0x05E7C ;0x01 0x8CCCD; +;;Ch09 (2452MHz) ;0x00 0x0DEFC ;0x01 0x8CCCC; +;;Ch10 (2457MHz) ;0x00 0x0DEFC ;0x01 0x8CCCD; +;;Ch11 (2462MHz) ;0x00 0x0DE7C ;0x01 0x8CCCC; +;;Ch12 (2467MHz) ;0x00 0x0DE7C ;0x01 0x8CCCD; +;;Ch13 (2472MHz) ;0x00 0x03EFC ;0x01 0x8CCCC; +;;Ch14 (2484Mhz) ;0x00 0x03E7C ;0x01 0x86666; + +0x02 0x401D8; RXDCOC BW 100Hz for RXHP low +;;0x02 0x481DC; RXDCOC BW 30Khz for RXHP low + +0x03 0xCFFF0 +0x04 0x23800 +0x05 0xA3B72 +0x06 0x6DA01 +0x07 0xE1688 +0x08 0x11600 +0x09 0x99E02 +0x0A 0x5DDB0 +0x0B 0xD9900 +0x0C 0x3FFBD +0x0D 0xB0000 +0x0F 0xF00A0 + +;RF Calibration for Airoha AL2230 +;Edit by Ben Chang (01/30/04) +;Updated by Tiger Huang (03/03/04) +0x0f 0xf00a0 ; Initial Setting +0x0f 0xf00b0 ; Activate TX DCC +0x0f 0xf02a0 ; Activate Phase Calibration +0x0f 0xf00e0 ; Activate Filter RC Calibration +0x0f 0xf00a0 ; Restore Initial Setting +*****************************************************************************/ + +u32 al2230_rf_data[] = +{ + (0x00<<20)|0x09EFC, + (0x01<<20)|0x8CCCC, + (0x02<<20)|0x40058,// 20060627 Anson 0x401D8, + (0x03<<20)|0xCFFF0, + (0x04<<20)|0x24100,// 20060627 Anson 0x23800, + (0x05<<20)|0xA3B2F,// 20060627 Anson 0xA3B72 + (0x06<<20)|0x6DA01, + (0x07<<20)|0xE3628,// 20060627 Anson 0xE1688, + (0x08<<20)|0x11600, + (0x09<<20)|0x9DC02,// 20060627 Anosn 0x97602,//0x99E02, //0x9AE02 + (0x0A<<20)|0x5ddb0, // 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth + (0x0B<<20)|0xD9900, + (0x0C<<20)|0x3FFBD, + (0x0D<<20)|0xB0000, + (0x0F<<20)|0xF01A0 // 20060627 Anson 0xF00A0 +}; + +u32 al2230s_rf_data[] = +{ + (0x00<<20)|0x09EFC, + (0x01<<20)|0x8CCCC, + (0x02<<20)|0x40058,// 20060419 0x401D8, + (0x03<<20)|0xCFFF0, + (0x04<<20)|0x24100,// 20060419 0x23800, + (0x05<<20)|0xA3B2F,// 20060419 0xA3B72, + (0x06<<20)|0x6DA01, + (0x07<<20)|0xE3628,// 20060419 0xE1688, + (0x08<<20)|0x11600, + (0x09<<20)|0x9DC02,// 20060419 0x97602,//0x99E02, //0x9AE02 + (0x0A<<20)|0x5DDB0,// 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth + (0x0B<<20)|0xD9900, + (0x0C<<20)|0x3FFBD, + (0x0D<<20)|0xB0000, + (0x0F<<20)|0xF01A0 // 20060419 0xF00A0 +}; + +u32 al2230_channel_data_24[][2] = +{ + {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCC}, // channe1 01 + {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCD}, // channe1 02 + {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCC}, // channe1 03 + {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCD}, // channe1 04 + {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCC}, // channe1 05 + {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCD}, // channe1 06 + {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCC}, // channe1 07 + {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCD}, // channe1 08 + {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCC}, // channe1 09 + {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCD}, // channe1 10 + {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCC}, // channe1 11 + {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCD}, // channe1 12 + {(0x00<<20)|0x03EFC, (0x01<<20)|0x8CCCC}, // channe1 13 + {(0x00<<20)|0x03E7C, (0x01<<20)|0x86666} // channe1 14 +}; + +// Current setting. u32 airoha_power_data_24[] = {(0x09<<20)|0x90202, (0x09<<20)|0x96602, (0x09<<20)|0x97602}; +#define AIROHA_TXVGA_LOW_INDEX 31 // Index for 0x90202 +#define AIROHA_TXVGA_MIDDLE_INDEX 12 // Index for 0x96602 +#define AIROHA_TXVGA_HIGH_INDEX 8 // Index for 0x97602 1.0.24.0 1.0.28.0 +/* +u32 airoha_power_data_24[] = +{ + 0x9FE02, // Max - 0 dB + 0x9BE02, // Max - 1 dB + 0x9DE02, // Max - 2 dB + 0x99E02, // Max - 3 dB + 0x9EE02, // Max - 4 dB + 0x9AE02, // Max - 5 dB + 0x9CE02, // Max - 6 dB + 0x98E02, // Max - 7 dB + 0x97602, // Max - 8 dB + 0x93602, // Max - 9 dB + 0x95602, // Max - 10 dB + 0x91602, // Max - 11 dB + 0x96602, // Max - 12 dB + 0x92602, // Max - 13 dB + 0x94602, // Max - 14 dB + 0x90602, // Max - 15 dB + 0x97A02, // Max - 16 dB + 0x93A02, // Max - 17 dB + 0x95A02, // Max - 18 dB + 0x91A02, // Max - 19 dB + 0x96A02, // Max - 20 dB + 0x92A02, // Max - 21 dB + 0x94A02, // Max - 22 dB + 0x90A02, // Max - 23 dB + 0x97202, // Max - 24 dB + 0x93202, // Max - 25 dB + 0x95202, // Max - 26 dB + 0x91202, // Max - 27 dB + 0x96202, // Max - 28 dB + 0x92202, // Max - 29 dB + 0x94202, // Max - 30 dB + 0x90202 // Max - 31 dB +}; +*/ + +// 20040927 1.1.69.1000 ybjiang +// from John +u32 al2230_txvga_data[][2] = +{ + //value , index + {0x090202, 0}, + {0x094202, 2}, + {0x092202, 4}, + {0x096202, 6}, + {0x091202, 8}, + {0x095202, 10}, + {0x093202, 12}, + {0x097202, 14}, + {0x090A02, 16}, + {0x094A02, 18}, + {0x092A02, 20}, + {0x096A02, 22}, + {0x091A02, 24}, + {0x095A02, 26}, + {0x093A02, 28}, + {0x097A02, 30}, + {0x090602, 32}, + {0x094602, 34}, + {0x092602, 36}, + {0x096602, 38}, + {0x091602, 40}, + {0x095602, 42}, + {0x093602, 44}, + {0x097602, 46}, + {0x090E02, 48}, + {0x098E02, 49}, + {0x094E02, 50}, + {0x09CE02, 51}, + {0x092E02, 52}, + {0x09AE02, 53}, + {0x096E02, 54}, + {0x09EE02, 55}, + {0x091E02, 56}, + {0x099E02, 57}, + {0x095E02, 58}, + {0x09DE02, 59}, + {0x093E02, 60}, + {0x09BE02, 61}, + {0x097E02, 62}, + {0x09FE02, 63} +}; + +//-------------------------------- +// For Airoha AL7230, 2.4Ghz band +// Edit by Tiger, (March, 9, 2005) +// 24bit, MSB first + +//channel independent registers: +u32 al7230_rf_data_24[] = +{ + (0x00<<24)|0x003790, + (0x01<<24)|0x133331, + (0x02<<24)|0x841FF2, + (0x03<<24)|0x3FDFA3, + (0x04<<24)|0x7FD784, + (0x05<<24)|0x802B55, + (0x06<<24)|0x56AF36, + (0x07<<24)|0xCE0207, + (0x08<<24)|0x6EBC08, + (0x09<<24)|0x221BB9, + (0x0A<<24)|0xE0000A, + (0x0B<<24)|0x08071B, + (0x0C<<24)|0x000A3C, + (0x0D<<24)|0xFFFFFD, + (0x0E<<24)|0x00000E, + (0x0F<<24)|0x1ABA8F +}; + +u32 al7230_channel_data_24[][2] = +{ + {(0x00<<24)|0x003790, (0x01<<24)|0x133331}, // channe1 01 + {(0x00<<24)|0x003790, (0x01<<24)|0x1B3331}, // channe1 02 + {(0x00<<24)|0x003790, (0x01<<24)|0x033331}, // channe1 03 + {(0x00<<24)|0x003790, (0x01<<24)|0x0B3331}, // channe1 04 + {(0x00<<24)|0x0037A0, (0x01<<24)|0x133331}, // channe1 05 + {(0x00<<24)|0x0037A0, (0x01<<24)|0x1B3331}, // channe1 06 + {(0x00<<24)|0x0037A0, (0x01<<24)|0x033331}, // channe1 07 + {(0x00<<24)|0x0037A0, (0x01<<24)|0x0B3331}, // channe1 08 + {(0x00<<24)|0x0037B0, (0x01<<24)|0x133331}, // channe1 09 + {(0x00<<24)|0x0037B0, (0x01<<24)|0x1B3331}, // channe1 10 + {(0x00<<24)|0x0037B0, (0x01<<24)|0x033331}, // channe1 11 + {(0x00<<24)|0x0037B0, (0x01<<24)|0x0B3331}, // channe1 12 + {(0x00<<24)|0x0037C0, (0x01<<24)|0x133331}, // channe1 13 + {(0x00<<24)|0x0037C0, (0x01<<24)|0x066661} // channel 14 +}; + +//channel independent registers: +u32 al7230_rf_data_50[] = +{ + (0x00<<24)|0x0FF520, + (0x01<<24)|0x000001, + (0x02<<24)|0x451FE2, + (0x03<<24)|0x5FDFA3, + (0x04<<24)|0x6FD784, + (0x05<<24)|0x853F55, + (0x06<<24)|0x56AF36, + (0x07<<24)|0xCE0207, + (0x08<<24)|0x6EBC08, + (0x09<<24)|0x221BB9, + (0x0A<<24)|0xE0600A, + (0x0B<<24)|0x08044B, + (0x0C<<24)|0x00143C, + (0x0D<<24)|0xFFFFFD, + (0x0E<<24)|0x00000E, + (0x0F<<24)|0x12BACF //5Ghz default state +}; + +u32 al7230_channel_data_5[][4] = +{ + //channel dependent registers: 0x00, 0x01 and 0x04 + //11J =========== + {184, (0x00<<24)|0x0FF520, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 184 + {188, (0x00<<24)|0x0FF520, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 188 + {192, (0x00<<24)|0x0FF530, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 192 + {196, (0x00<<24)|0x0FF530, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 196 + {8, (0x00<<24)|0x0FF540, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 008 + {12, (0x00<<24)|0x0FF540, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 012 + {16, (0x00<<24)|0x0FF550, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 016 + {34, (0x00<<24)|0x0FF560, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 034 + {38, (0x00<<24)|0x0FF570, (0x01<<24)|0x100001, (0x04<<24)|0x77F784}, // channel 038 + {42, (0x00<<24)|0x0FF570, (0x01<<24)|0x1AAAA1, (0x04<<24)|0x77F784}, // channel 042 + {46, (0x00<<24)|0x0FF570, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 046 + //11 A/H ========= + {36, (0x00<<24)|0x0FF560, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 036 + {40, (0x00<<24)|0x0FF570, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 040 + {44, (0x00<<24)|0x0FF570, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 044 + {48, (0x00<<24)|0x0FF570, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 048 + {52, (0x00<<24)|0x0FF580, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 052 + {56, (0x00<<24)|0x0FF580, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 056 + {60, (0x00<<24)|0x0FF580, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 060 + {64, (0x00<<24)|0x0FF590, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 064 + {100, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 100 + {104, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 104 + {108, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 108 + {112, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 112 + {116, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 116 + {120, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 120 + {124, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 124 + {128, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 128 + {132, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 132 + {136, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 136 + {140, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 140 + {149, (0x00<<24)|0x0FF600, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 149 + {153, (0x00<<24)|0x0FF600, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784}, // channel 153 + {157, (0x00<<24)|0x0FF600, (0x01<<24)|0x0D5551, (0x04<<24)|0x77F784}, // channel 157 + {161, (0x00<<24)|0x0FF610, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 161 + {165, (0x00<<24)|0x0FF610, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784} // channel 165 +}; + +//; RF Calibration <=== Register 0x0F +//0x0F 0x1ABA8F; start from 2.4Ghz default state +//0x0F 0x9ABA8F; TXDC compensation +//0x0F 0x3ABA8F; RXFIL adjustment +//0x0F 0x1ABA8F; restore 2.4Ghz default state + +//;TXVGA Mapping Table <=== Register 0x0B +u32 al7230_txvga_data[][2] = +{ + {0x08040B, 0}, //TXVGA=0; + {0x08041B, 1}, //TXVGA=1; + {0x08042B, 2}, //TXVGA=2; + {0x08043B, 3}, //TXVGA=3; + {0x08044B, 4}, //TXVGA=4; + {0x08045B, 5}, //TXVGA=5; + {0x08046B, 6}, //TXVGA=6; + {0x08047B, 7}, //TXVGA=7; + {0x08048B, 8}, //TXVGA=8; + {0x08049B, 9}, //TXVGA=9; + {0x0804AB, 10}, //TXVGA=10; + {0x0804BB, 11}, //TXVGA=11; + {0x0804CB, 12}, //TXVGA=12; + {0x0804DB, 13}, //TXVGA=13; + {0x0804EB, 14}, //TXVGA=14; + {0x0804FB, 15}, //TXVGA=15; + {0x08050B, 16}, //TXVGA=16; + {0x08051B, 17}, //TXVGA=17; + {0x08052B, 18}, //TXVGA=18; + {0x08053B, 19}, //TXVGA=19; + {0x08054B, 20}, //TXVGA=20; + {0x08055B, 21}, //TXVGA=21; + {0x08056B, 22}, //TXVGA=22; + {0x08057B, 23}, //TXVGA=23; + {0x08058B, 24}, //TXVGA=24; + {0x08059B, 25}, //TXVGA=25; + {0x0805AB, 26}, //TXVGA=26; + {0x0805BB, 27}, //TXVGA=27; + {0x0805CB, 28}, //TXVGA=28; + {0x0805DB, 29}, //TXVGA=29; + {0x0805EB, 30}, //TXVGA=30; + {0x0805FB, 31}, //TXVGA=31; + {0x08060B, 32}, //TXVGA=32; + {0x08061B, 33}, //TXVGA=33; + {0x08062B, 34}, //TXVGA=34; + {0x08063B, 35}, //TXVGA=35; + {0x08064B, 36}, //TXVGA=36; + {0x08065B, 37}, //TXVGA=37; + {0x08066B, 38}, //TXVGA=38; + {0x08067B, 39}, //TXVGA=39; + {0x08068B, 40}, //TXVGA=40; + {0x08069B, 41}, //TXVGA=41; + {0x0806AB, 42}, //TXVGA=42; + {0x0806BB, 43}, //TXVGA=43; + {0x0806CB, 44}, //TXVGA=44; + {0x0806DB, 45}, //TXVGA=45; + {0x0806EB, 46}, //TXVGA=46; + {0x0806FB, 47}, //TXVGA=47; + {0x08070B, 48}, //TXVGA=48; + {0x08071B, 49}, //TXVGA=49; + {0x08072B, 50}, //TXVGA=50; + {0x08073B, 51}, //TXVGA=51; + {0x08074B, 52}, //TXVGA=52; + {0x08075B, 53}, //TXVGA=53; + {0x08076B, 54}, //TXVGA=54; + {0x08077B, 55}, //TXVGA=55; + {0x08078B, 56}, //TXVGA=56; + {0x08079B, 57}, //TXVGA=57; + {0x0807AB, 58}, //TXVGA=58; + {0x0807BB, 59}, //TXVGA=59; + {0x0807CB, 60}, //TXVGA=60; + {0x0807DB, 61}, //TXVGA=61; + {0x0807EB, 62}, //TXVGA=62; + {0x0807FB, 63}, //TXVGA=63; +}; +//-------------------------------- + + +//; W89RF242 RFIC SPI programming initial data +//; Winbond WLAN 11g RFIC BB-SPI register -- version FA5976A rev 1.3b +//; Update Date: Ocotber 3, 2005 by PP10 Hsiang-Te Ho +//; +//; Version 1.3b revision items: (Oct. 1, 2005 by HTHo) for FA5976A +u32 w89rf242_rf_data[] = +{ + (0x00<<24)|0xF86100, // 20060721 0xF86100, //; 3E184; MODA (0x00) -- Normal mode ; calibration off + (0x01<<24)|0xEFFFC2, //; 3BFFF; MODB (0x01) -- turn off RSSI, and other circuits are turned on + (0x02<<24)|0x102504, //; 04094; FSET (0x02) -- default 20MHz crystal ; Icmp=1.5mA + (0x03<<24)|0x026286, //; 0098A; FCHN (0x03) -- default CH7, 2442MHz + (0x04<<24)|0x000208, // 20060612.1.a 0x0002C8, // 20050818 // 20050816 0x000388 + //; 02008; FCAL (0x04) -- XTAL Freq Trim=001000 (socket board#1); FA5976AYG_v1.3C + (0x05<<24)|0x24C60A, // 20060612.1.a 0x24C58A, // 941003 0x24C48A, // 20050818.2 0x24848A, // 20050818 // 20050816 0x24C48A + //; 09316; GANA (0x05) -- TX VGA default (TXVGA=0x18(12)) & TXGPK=110 ; FA5976A_1.3D + (0x06<<24)|0x3432CC, // 941003 0x26C34C, // 20050818 0x06B40C + //; 0D0CB; GANB (0x06) -- RXDC(DC offset) on; LNA=11; RXVGA=001011(11) ; RXFLSW=11(010001); RXGPK=00; RXGCF=00; -50dBm input + (0x07<<24)|0x0C68CE, // 20050818.2 0x0C66CE, // 20050818 // 20050816 0x0C68CE + //; 031A3; FILT (0x07) -- TX/RX filter with auto-tuning; TFLBW=011; RFLBW=100 + (0x08<<24)|0x100010, //; 04000; TCAL (0x08) -- //for LO + (0x09<<24)|0x004012, // 20060612.1.a 0x6E4012, // 0x004012, + //; 1B900; RCALA (0x09) -- FASTS=11; HPDE=01 (100nsec); SEHP=1 (select B0 pin=RXHP); RXHP=1 (Turn on RXHP function)(FA5976A_1.3C) + (0x0A<<24)|0x704014, //; 1C100; RCALB (0x0A) + (0x0B<<24)|0x18BDD6, // 941003 0x1805D6, // 20050818.2 0x1801D6, // 20050818 // 20050816 0x1805D6 + //; 062F7; IQCAL (0x0B) -- Turn on LO phase tuner=0111 & RX-LO phase = 0111; FA5976A_1.3B (2005/09/29) + (0x0C<<24)|0x575558, // 20050818.2 0x555558, // 20050818 // 20050816 0x575558 + //; 15D55 ; IBSA (0x0C) -- IFPre =11 ; TC5376A_v1.3A for corner + (0x0D<<24)|0x55545A, // 20060612.1.a 0x55555A, + //; 15555 ; IBSB (0x0D) + (0x0E<<24)|0x5557DC, // 20060612.1.a 0x55555C, // 941003 0x5557DC, + //; 1555F ; IBSC (0x0E) -- IRLNA & IRLNB (PTAT & Const current)=01/01; FA5976B_1.3F (2005/11/25) + (0x10<<24)|0x000C20, // 941003 0x000020, // 20050818 + //; 00030 ; TMODA (0x10) -- LNA_gain_step=0011 ; LNA=15/16dB + (0x11<<24)|0x0C0022, // 941003 0x030022 // 20050818.2 0x030022 // 20050818 // 20050816 0x0C0022 + //; 03000 ; TMODB (0x11) -- Turn ON RX-Q path Test Switch; To improve IQ path group delay (FA5976A_1.3C) + (0x12<<24)|0x000024 // 20060612.1.a 0x001824 // 941003 add + //; TMODC (0x12) -- Turn OFF Tempearure sensor +}; + +u32 w89rf242_channel_data_24[][2] = +{ + {(0x03<<24)|0x025B06, (0x04<<24)|0x080408}, // channe1 01 + {(0x03<<24)|0x025C46, (0x04<<24)|0x080408}, // channe1 02 + {(0x03<<24)|0x025D86, (0x04<<24)|0x080408}, // channe1 03 + {(0x03<<24)|0x025EC6, (0x04<<24)|0x080408}, // channe1 04 + {(0x03<<24)|0x026006, (0x04<<24)|0x080408}, // channe1 05 + {(0x03<<24)|0x026146, (0x04<<24)|0x080408}, // channe1 06 + {(0x03<<24)|0x026286, (0x04<<24)|0x080408}, // channe1 07 + {(0x03<<24)|0x0263C6, (0x04<<24)|0x080408}, // channe1 08 + {(0x03<<24)|0x026506, (0x04<<24)|0x080408}, // channe1 09 + {(0x03<<24)|0x026646, (0x04<<24)|0x080408}, // channe1 10 + {(0x03<<24)|0x026786, (0x04<<24)|0x080408}, // channe1 11 + {(0x03<<24)|0x0268C6, (0x04<<24)|0x080408}, // channe1 12 + {(0x03<<24)|0x026A06, (0x04<<24)|0x080408}, // channe1 13 + {(0x03<<24)|0x026D06, (0x04<<24)|0x080408} // channe1 14 +}; + +u32 w89rf242_power_data_24[] = {(0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A}; + +// 20060315.6 Enlarge for new scale +// 20060316.6 20060619.2.a add mapping array +u32 w89rf242_txvga_old_mapping[][2] = +{ + {0, 0} , // New <-> Old + {1, 1} , + {2, 2} , + {3, 3} , + {4, 4} , + {6, 5} , + {8, 6 }, + {10, 7 }, + {12, 8 }, + {14, 9 }, + {16, 10}, + {18, 11}, + {20, 12}, + {22, 13}, + {24, 14}, + {26, 15}, + {28, 16}, + {30, 17}, + {32, 18}, + {34, 19}, + + +}; + +// 20060619.3 modify from Bruce's mail +u32 w89rf242_txvga_data[][5] = +{ + //low gain mode + { (0x05<<24)|0x24C00A, 0, 0x00292315, 0x0800FEFF, 0x52523131 },// ; min gain + { (0x05<<24)|0x24C80A, 1, 0x00292315, 0x0800FEFF, 0x52523131 }, + { (0x05<<24)|0x24C04A, 2, 0x00292315, 0x0800FEFF, 0x52523131 },// (default) +14dBm (ANT) + { (0x05<<24)|0x24C84A, 3, 0x00292315, 0x0800FEFF, 0x52523131 }, + + //TXVGA=0x10 + { (0x05<<24)|0x24C40A, 4, 0x00292315, 0x0800FEFF, 0x60603838 }, + { (0x05<<24)|0x24C40A, 5, 0x00262114, 0x0700FEFF, 0x65653B3B }, + + //TXVGA=0x11 + { (0x05<<24)|0x24C44A, 6, 0x00241F13, 0x0700FFFF, 0x58583333 }, + { (0x05<<24)|0x24C44A, 7, 0x00292315, 0x0800FEFF, 0x5E5E3737 }, + + //TXVGA=0x12 + { (0x05<<24)|0x24C48A, 8, 0x00262114, 0x0700FEFF, 0x53533030 }, + { (0x05<<24)|0x24C48A, 9, 0x00241F13, 0x0700FFFF, 0x59593434 }, + + //TXVGA=0x13 + { (0x05<<24)|0x24C4CA, 10, 0x00292315, 0x0800FEFF, 0x52523030 }, + { (0x05<<24)|0x24C4CA, 11, 0x00262114, 0x0700FEFF, 0x56563232 }, + + //TXVGA=0x14 + { (0x05<<24)|0x24C50A, 12, 0x00292315, 0x0800FEFF, 0x54543131 }, + { (0x05<<24)|0x24C50A, 13, 0x00262114, 0x0700FEFF, 0x58583434 }, + + //TXVGA=0x15 + { (0x05<<24)|0x24C54A, 14, 0x00292315, 0x0800FEFF, 0x54543131 }, + { (0x05<<24)|0x24C54A, 15, 0x00262114, 0x0700FEFF, 0x59593434 }, + + //TXVGA=0x16 + { (0x05<<24)|0x24C58A, 16, 0x00292315, 0x0800FEFF, 0x55553131 }, + { (0x05<<24)|0x24C58A, 17, 0x00292315, 0x0800FEFF, 0x5B5B3535 }, + + //TXVGA=0x17 + { (0x05<<24)|0x24C5CA, 18, 0x00262114, 0x0700FEFF, 0x51512F2F }, + { (0x05<<24)|0x24C5CA, 19, 0x00241F13, 0x0700FFFF, 0x55553131 }, + + //TXVGA=0x18 + { (0x05<<24)|0x24C60A, 20, 0x00292315, 0x0800FEFF, 0x4F4F2E2E }, + { (0x05<<24)|0x24C60A, 21, 0x00262114, 0x0700FEFF, 0x53533030 }, + + //TXVGA=0x19 + { (0x05<<24)|0x24C64A, 22, 0x00292315, 0x0800FEFF, 0x4E4E2D2D }, + { (0x05<<24)|0x24C64A, 23, 0x00262114, 0x0700FEFF, 0x53533030 }, + + //TXVGA=0x1A + { (0x05<<24)|0x24C68A, 24, 0x00292315, 0x0800FEFF, 0x50502E2E }, + { (0x05<<24)|0x24C68A, 25, 0x00262114, 0x0700FEFF, 0x55553131 }, + + //TXVGA=0x1B + { (0x05<<24)|0x24C6CA, 26, 0x00262114, 0x0700FEFF, 0x53533030 }, + { (0x05<<24)|0x24C6CA, 27, 0x00292315, 0x0800FEFF, 0x5A5A3434 }, + + //TXVGA=0x1C + { (0x05<<24)|0x24C70A, 28, 0x00292315, 0x0800FEFF, 0x55553131 }, + { (0x05<<24)|0x24C70A, 29, 0x00292315, 0x0800FEFF, 0x5D5D3636 }, + + //TXVGA=0x1D + { (0x05<<24)|0x24C74A, 30, 0x00292315, 0x0800FEFF, 0x5F5F3737 }, + { (0x05<<24)|0x24C74A, 31, 0x00262114, 0x0700FEFF, 0x65653B3B }, + + //TXVGA=0x1E + { (0x05<<24)|0x24C78A, 32, 0x00292315, 0x0800FEFF, 0x66663B3B }, + { (0x05<<24)|0x24C78A, 33, 0x00262114, 0x0700FEFF, 0x70704141 }, + + //TXVGA=0x1F + { (0x05<<24)|0x24C7CA, 34, 0x00292315, 0x0800FEFF, 0x72724242 } +}; + +/////////////////////////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////////////////////////// + + + +//============================================================================================================= +// Uxx_ReadEthernetAddress -- +// +// Routine Description: +// Reads in the Ethernet address from the IC. +// +// Arguments: +// pHwData - The pHwData structure +// +// Return Value: +// +// The address is stored in EthernetIDAddr. +//============================================================================================================= +void +Uxx_ReadEthernetAddress( phw_data_t pHwData ) +{ + u32 ltmp; + + // Reading Ethernet address from EEPROM and set into hardware due to MAC address maybe change. + // Only unplug and plug again can make hardware read EEPROM again. 20060727 + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08000000 ); // Start EEPROM access + Read + address(0x0d) + Wb35Reg_ReadSync( pHwData, 0x03b4, <mp ); + *(PUSHORT)pHwData->PermanentMacAddress = cpu_to_le16((u16)ltmp); //20060926 anson's endian + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08010000 ); // Start EEPROM access + Read + address(0x0d) + Wb35Reg_ReadSync( pHwData, 0x03b4, <mp ); + *(PUSHORT)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16)ltmp); //20060926 anson's endian + Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08020000 ); // Start EEPROM access + Read + address(0x0d) + Wb35Reg_ReadSync( pHwData, 0x03b4, <mp ); + *(PUSHORT)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16)ltmp); //20060926 anson's endian + *(PUSHORT)(pHwData->PermanentMacAddress + 6) = 0; + Wb35Reg_WriteSync( pHwData, 0x03e8, cpu_to_le32(*(PULONG)pHwData->PermanentMacAddress) ); //20060926 anson's endian + Wb35Reg_WriteSync( pHwData, 0x03ec, cpu_to_le32(*(PULONG)(pHwData->PermanentMacAddress+4)) ); //20060926 anson's endian +} + + +//=============================================================================================================== +// CardGetMulticastBit -- +// Description: +// For a given multicast address, returns the byte and bit in the card multicast registers that it hashes to. +// Calls CardComputeCrc() to determine the CRC value. +// Arguments: +// Address - the address +// Byte - the byte that it hashes to +// Value - will have a 1 in the relevant bit +// Return Value: +// None. +//============================================================================================================== +void CardGetMulticastBit( u8 Address[ETH_LENGTH_OF_ADDRESS], + u8 *Byte, u8 *Value ) +{ + u32 Crc; + u32 BitNumber; + + // First compute the CRC. + Crc = CardComputeCrc(Address, ETH_LENGTH_OF_ADDRESS); + + // The computed CRC is bit0~31 from left to right + //At first we should do right shift 25bits, and read 7bits by using '&', 2^7=128 + BitNumber = (u32) ((Crc >> 26) & 0x3f); + + *Byte = (u8) (BitNumber >> 3);// 900514 original (BitNumber / 8) + *Value = (u8) ((u8)1 << (BitNumber % 8)); +} + +void Uxx_power_on_procedure( phw_data_t pHwData ) +{ + u32 ltmp, loop; + + if( pHwData->phy_type <= RF_MAXIM_V1 ) + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xffffff38 ); + else + { + Wb35Reg_WriteSync( pHwData, 0x03f4, 0xFF5807FF );// 20060721 For NEW IC 0xFF5807FF + + // 20060511.1 Fix the following 4 steps for Rx of RF 2230 initial fail + Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only + OS_SLEEP(10000); // Modify 20051221.1.b + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xb8 );// REG_ON RF_RSTN on, and + OS_SLEEP(10000); // Modify 20051221.1.b + + ltmp = 0x4968; + if( (pHwData->phy_type == RF_WB_242) || + (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add + ltmp = 0x4468; + Wb35Reg_WriteSync( pHwData, 0x03d0, ltmp ); + + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0 + + OS_SLEEP(20000); // Modify 20051221.1.b + Wb35Reg_ReadSync( pHwData, 0x03d0, <mp ); + loop = 500; // Wait for 5 second 20061101 + while( !(ltmp & 0x20) && loop-- ) + { + OS_SLEEP(10000); // Modify 20051221.1.b + if( !Wb35Reg_ReadSync( pHwData, 0x03d0, <mp ) ) + break; + } + + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN + } + + Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first + OS_SLEEP(10000); // Add this 20051221.1.b + + // Set burst write delay + Wb35Reg_WriteSync( pHwData, 0x03f8, 0x7ff ); +} + +void Set_ChanIndep_RfData_al7230_24( phw_data_t pHwData, u32 *pltmp ,char number) +{ + u8 i; + + for( i=0; iphy_para[i] = al7230_rf_data_24[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_24[i]&0xffffff); + } +} + +void Set_ChanIndep_RfData_al7230_50( phw_data_t pHwData, u32 *pltmp, char number) +{ + u8 i; + + for( i=0; iphy_para[i] = al7230_rf_data_50[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_50[i]&0xffffff); + } +} + + +//============================================================================================================= +// RFSynthesizer_initial -- +//============================================================================================================= +void +RFSynthesizer_initial(phw_data_t pHwData) +{ + u32 altmp[32]; + PULONG pltmp = altmp; + u32 ltmp; + u8 number=0x00; // The number of register vale + u8 i; + + // + // bit[31] SPI Enable. + // 1=perform synthesizer program operation. This bit will + // cleared automatically after the operation is completed. + // bit[30] SPI R/W Control + // 0=write, 1=read + // bit[29:24] SPI Data Format Length + // bit[17:4 ] RF Data bits. + // bit[3 :0 ] RF address. + switch( pHwData->phy_type ) + { + case RF_MAXIM_2825: + case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) + number = sizeof(max2825_rf_data)/sizeof(max2825_rf_data[0]); + for( i=0; iphy_para[i] = max2825_rf_data[i];// Backup Rf parameter + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_rf_data[i], 18); + } + break; + + case RF_MAXIM_2827: + number = sizeof(max2827_rf_data)/sizeof(max2827_rf_data[0]); + for( i=0; iphy_para[i] = max2827_rf_data[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_rf_data[i], 18); + } + break; + + case RF_MAXIM_2828: + number = sizeof(max2828_rf_data)/sizeof(max2828_rf_data[0]); + for( i=0; iphy_para[i] = max2828_rf_data[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_rf_data[i], 18); + } + break; + + case RF_MAXIM_2829: + number = sizeof(max2829_rf_data)/sizeof(max2829_rf_data[0]); + for( i=0; iphy_para[i] = max2829_rf_data[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_rf_data[i], 18); + } + break; + + case RF_AIROHA_2230: + number = sizeof(al2230_rf_data)/sizeof(al2230_rf_data[0]); + for( i=0; iphy_para[i] = al2230_rf_data[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[i], 20); + } + break; + + case RF_AIROHA_2230S: + number = sizeof(al2230s_rf_data)/sizeof(al2230s_rf_data[0]); + for( i=0; iphy_para[i] = al2230s_rf_data[i]; + pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230s_rf_data[i], 20); + } + break; + + case RF_AIROHA_7230: + + //Start to fill RF parameters, PLL_ON should be pulled low. + Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 ); +#ifdef _PE_STATE_DUMP_ + WBDEBUG(("* PLL_ON low\n")); +#endif + + number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]); + Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number); + break; + + case RF_WB_242: + case RF_WB_242_1: // 20060619.5 Add + number = sizeof(w89rf242_rf_data)/sizeof(w89rf242_rf_data[0]); + for( i=0; iVCO_trim<<4; + } + + pHwData->phy_para[i] = ltmp; + pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( ltmp, 24); + } + break; + } + + pHwData->phy_number = number; + + // The 16 is the maximum capability of hardware. Here use 12 + if( number > 12 ) { + //Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 12, NO_INCREMENT ); + for( i=0; i<12; i++ ) // For Al2230 + Wb35Reg_WriteSync( pHwData, 0x0864, pltmp[i] ); + + pltmp += 12; + number -= 12; + } + + // Write to register. number must less and equal than 16 + for( i=0; iCalOneTime ) + return; + pHwData->CalOneTime = 1; + + switch( pHwData->phy_type ) + { + case RF_AIROHA_2230: + + // 20060511.1 --- Modifying the follow step for Rx issue----------------- + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x07<<20)|0xE168E, 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(10000); + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[7], 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(10000); + + case RF_AIROHA_2230S: // 20060420 Add this + + // 20060511.1 --- Modifying the follow step for Rx issue----------------- + Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only + OS_SLEEP(10000); // Modify 20051221.1.b + + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0 + OS_SLEEP(10000); // Modify 20051221.1.b + + Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN + Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first + OS_SLEEP(10000); // Add this 20051221.1.b + //------------------------------------------------------------------------ + + // The follow code doesn't use the burst-write mode + //phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Raise Initial Setting + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + ltmp = pHwData->Wb35Reg.BB5C & 0xfffff000; + Wb35Reg_WriteSync( pHwData, 0x105c, ltmp ); + pHwData->Wb35Reg.BB50 |= 0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060315.1 modify + Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50); + OS_SLEEP(5000); + + //phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01B0); //Activate Filter Cal. + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01B0, 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); + + //phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01e0); //Activate TX DCC + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01E0, 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); + + //phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Resotre Initial Setting + ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + +// //Force TXI(Q)P(N) to normal control + Wb35Reg_WriteSync( pHwData, 0x105c, pHwData->Wb35Reg.BB5C ); + pHwData->Wb35Reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START); + Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50); + break; + + case RF_AIROHA_7230: + + //RF parameters have filled completely, PLL_ON should be + //pulled high + Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 ); + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("* PLL_ON high\n")); + #endif + + //2.4GHz + //ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F; + //Wb35Reg_WriteSync pHwData, 0x0864, ltmp ); + //OS_SLEEP(1000); // Sleep 1 ms + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F; + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F; + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F; + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); + + //5GHz + Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 ); + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("* PLL_ON low\n")); + #endif + + number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]); + Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number); + // Write to register. number must less and equal than 16 + for( i=0; iWb35Reg.BB5C & 0xfffff000; + Wb35Reg_WriteSync( pHwData, 0x105c, ltmp ); + Wb35Reg_WriteSync( pHwData, 0x1058, 0 ); + pHwData->Wb35Reg.BB50 |= 0x3;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060630 + Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50); + + //----- Calibration (1). VCO frequency calibration + //Calibration (1a.0). Synthesizer reset (HTHo corrected 2005/05/10) + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00101E, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP( 5000 ); // Sleep 5ms + //Calibration (1a). VCO frequency calibration mode ; waiting 2msec VCO calibration time + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFE69c0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP( 2000 ); // Sleep 2ms + + //----- Calibration (2). TX baseband Gm-C filter auto-tuning + //Calibration (2a). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (2b.0). TX filter auto-tuning BW: TFLBW=101 (TC5376A default) + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (2b). send TX reset signal (HTHo corrected May 10, 2005) + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00201E, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (2c). turn-on TX Gm-C filter auto-tuning + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFCEBC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP( 150 ); // Sleep 150 us + //turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //----- Calibration (3). RX baseband Gm-C filter auto-tuning + //Calibration (3a). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (3b.0). RX filter auto-tuning BW: RFLBW=100 (TC5376A+corner default; July 26, 2005) + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (3b). send RX reset signal (HTHo corrected May 10, 2005) + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00401E, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (3c). turn-on RX Gm-C filter auto-tuning + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFEEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP( 150 ); // Sleep 150 us + //Calibration (3e). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //----- Calibration (4). TX LO leakage calibration + //Calibration (4a). TX LO leakage calibration + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFD6BC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP( 150 ); // Sleep 150 us + + //----- Calibration (5). RX DC offset calibration + //Calibration (5a). turn off ENCAL signal and set to RX SW DC caliration mode + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5b). turn off AGC servo-loop & RSSI + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEBFFC2, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //; for LNA=11 -------- + //Calibration (5c-h). RX DC offset current bias ON; & LNA=11; RXVGA=111111 + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x343FCC, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(2000); // Sleep 2ms + //Calibration (5f). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //; for LNA=10 -------- + //Calibration (5c-m). RX DC offset current bias ON; & LNA=10; RXVGA=111111 + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x342FCC, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(2000); // Sleep 2ms + //Calibration (5f). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //; for LNA=01 -------- + //Calibration (5c-m). RX DC offset current bias ON; & LNA=01; RXVGA=111111 + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x341FCC, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(2000); // Sleep 2ms + //Calibration (5f). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //; for LNA=00 -------- + //Calibration (5c-l). RX DC offset current bias ON; & LNA=00; RXVGA=111111 + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x340FCC, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(2000); // Sleep 2ms + //Calibration (5f). turn off ENCAL signal + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + //Calibration (5g). turn on AGC servo-loop + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEFFFC2, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + + //; ----- Calibration (7). Switch RF chip to normal mode + //0x00 0xF86100 ; 3E184 ; Switch RF chip to normal mode +// OS_SLEEP(10000); // @@ 20060721 + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF86100, 24); + Wb35Reg_WriteSync( pHwData, 0x0864, ltmp ); + OS_SLEEP(5000); // Sleep 5 ms + +// //write back +// Wb35Reg_WriteSync( pHwData, 0x105c, pHwData->Wb35Reg.BB5C ); +// pHwData->Wb35Reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START); // 20060315.1 fix +// Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50); +// OS_SLEEP(1000); // Sleep 1 ms + break; + } +} + +void BBProcessor_AL7230_2400( phw_data_t pHwData) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 pltmp[12]; + + pltmp[0] = 0x16A8337A; // 0x16a5215f; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9AFF9AA6; // 0x9aff9ca6; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55D00A04; // 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xFFF72031; // 0xFfFf2138; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0C = 0xFFF72031; + pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7 + pltmp[5] = 0x00CAA333; // 0x00eaa333; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xF2211111; // 0x11111111; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x06443440; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0xA8002A79; // 0xa9002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000528; // 20050927 0x40000228 + pltmp[11] = 0x232D7F30; // 0x23457f30;// 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x232D7F30; + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002c54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002c54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x00332C1B; // 0x00453B24; // 0x1048 11b TX RC filter + pltmp[7] = 0x0A00FEFF; // 0x0E00FEFF; // 0x104c 11b TX RC filter + pltmp[8] = 0x2B106208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x2B106208; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x52524242; // 0x64645252; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x52524242; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + +} + +void BBProcessor_AL7230_5000( phw_data_t pHwData) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 pltmp[12]; + + pltmp[0] = 0x16AA6678; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9AFFA0B2; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xEFFF233E; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0C = 0xEFFF233E; + pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7 + pltmp[5] = 0x00CAA333; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xF2432111; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x05C43440; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000528; // 20050927 0x40000228 + pltmp[11] = 0x232FDF30;// 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x232FDF30; + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x80002C7C; // 0x1030 B_ACQ_Ctrl + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x00332C1B; // 0x1048 11b TX RC filter + pltmp[7] = 0x0A00FEFF; // 0x104c 11b TX RC filter + pltmp[8] = 0x2B107208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x2B107208; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x52524242; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + +} + +//============================================================================================================= +// BBProcessorPowerupInit -- +// +// Description: +// Initialize the Baseband processor. +// +// Arguments: +// pHwData - Handle of the USB Device. +// +// Return values: +// None. +//============================================================================================================= +void +BBProcessor_initial( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 i, pltmp[12]; + + switch( pHwData->phy_type ) + { + case RF_MAXIM_V1: // Initializng the Winbond 2nd BB(with Phy board (v1) + Maxim 331) + + pltmp[0] = 0x16F47E77; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9AFFAEA4; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xEFFF1A34; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0C = 0xEFFF1A34; + pltmp[4] = 0x0FABE0B7; // 0x1010 AGC_Ctrl5 + pltmp[5] = 0x00CAA332; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xF6632111; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = (pHwData->phy_type==3) ? 0x40000a28 : 0x40000228; // 0x1028 MAXIM_331(b31=0) + WBRF_V1(b11=1) : MAXIM_331(b31=0) + WBRF_V2(b11=0) + pltmp[11] = 0x232FDF30; // 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x232FDF30; //Modify for 33's 1.0.95.xxx version, antenna 1 + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter + pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter + pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106208; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x64646464; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + //------------------------------------------------------------------ + //[20040722 WK] + //Only for baseband version 2 +// case RF_MAXIM_317: + case RF_MAXIM_2825: + case RF_MAXIM_2827: + case RF_MAXIM_2828: + + pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xefff1a34; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0C = 0xefff1a34; + pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5 + pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xf6632111; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000528; // 0x40000128; Modify for 33's 1.0.95 + pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1 + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter + pltmp[7] = 0x0D00FDFF; // 0x104c 11b TX RC filter + pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106208; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x64646464; + pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + case RF_MAXIM_2829: + + pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xf4ff1632; // 0xefff1a34; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95 + pWb35Reg->BB0C = 0xf4ff1632; // 0xefff1a34; Modify for 33's 1.0.95 + pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5 + pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xf8632112; // 0xf6632111; // 0x1018 AGC_Ctrl7 Modify for 33's 1.0.95 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000528; // 0x40000128; modify for 33's 1.0.95 + pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1 + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5b2c8769; // 0x5B6C8769; // 0x1038 B_TXRX_Ctrl Modify for 33's 1.0.95 + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x002c2617; // 0x00453B24; // 0x1048 11b TX RC filter Modify for 33's 1.0.95 + pltmp[7] = 0x0800feff; // 0x0D00FDFF; // 0x104c 11b TX RC filter Modify for 33's 1.0.95 + pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106208; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x64644a4a; // 0x64646464; // 0x1058 IQ_Alpha Modify for 33's 1.0.95 + pWb35Reg->BB58 = 0x64646464; + pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + case RF_AIROHA_2230: + + pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1 //0x16765A77 + pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version + pWb35Reg->BB0C = 0xFFFd203c; + pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version + pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version + pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7 //0xf6632112 Modify for 33's 1.0.95.xxx version + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0X40000528; //0x40000228 + pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl //0x232a9730 + pWb35Reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1 + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl //0x5B6C8769 + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2 + pWb35Reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2 + pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2 + pWb35Reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1 20060613.2 + pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106200; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x52524242; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + case RF_AIROHA_2230S: // 20060420 Add this + + pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1 //0x16765A77 + pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version + pWb35Reg->BB0C = 0xFFFd203c; + pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version + pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version + pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7 //0xf6632112 Modify for 33's 1.0.95.xxx version + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0X40000528; //0x40000228 + pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl //0x232a9730 + pWb35Reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1 + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl //0x5B6C8769 + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2 + pWb35Reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2 + pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2 + pWb35Reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1 + pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106200; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x52523232; // 20060419 0x52524242; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x52523232; // 20060419 0x52524242; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + case RF_AIROHA_7230: +/* + pltmp[0] = 0x16a84a77; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xFFFb203a; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0c = 0xFFFb203a; + pltmp[4] = 0x0FBFDCB7; // 0x1010 AGC_Ctrl5 + pltmp[5] = 0x00caa333; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0xf6632112; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9 + pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000228; + pltmp[11] = 0x232A9F30;// 0x102c A_ACQ_Ctrl + pWb35Reg->BB2c = 0x232A9F30; + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter + pWb35Reg->BB3c = 0x00000000; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter + pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter + pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106200; + pltmp[9] = 0; // 0x1054 + pWb35Reg->BB54 = 0x00000000; + pltmp[10] = 0x64645252; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x64645252; + pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); +*/ + BBProcessor_AL7230_2400( pHwData ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + + case RF_WB_242: + case RF_WB_242_1: // 20060619.5 Add + + pltmp[0] = 0x16A8525D; // 0x1000 AGC_Ctrl1 + pltmp[1] = 0x9AFF9ABA; // 0x1004 AGC_Ctrl2 + pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3 + pltmp[3] = 0xEEE91C32; // 0x100c AGC_Ctrl4 + pWb35Reg->BB0C = 0xEEE91C32; + pltmp[4] = 0x0FACDCC5; // 0x1010 AGC_Ctrl5 + pltmp[5] = 0x000AA344; // 0x1014 AGC_Ctrl6 + pltmp[6] = 0x22222221; // 0x1018 AGC_Ctrl7 + pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8 + pltmp[8] = 0x04CC3440; // 20051018 0x03CB3440; // 0x1020 AGC_Ctrl9 20051014 0x03C33440 + pltmp[9] = 0xA9002A79; // 0x1024 AGC_Ctrl10 + pltmp[10] = 0x40000528; // 0x1028 + pltmp[11] = 0x23457F30; // 0x102c A_ACQ_Ctrl + pWb35Reg->BB2C = 0x23457F30; + Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT ); + + pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl + pWb35Reg->BB30 = 0x00002C54; + pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl + pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl + pltmp[3] = pHwData->BB3c_cal; // 0x103c 11a TX LS filter + pWb35Reg->BB3C = pHwData->BB3c_cal; + pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter + pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter + pltmp[6] = BB48_DEFAULT_WB242_11G; // 0x1048 11b TX RC filter 20060613.2 + pWb35Reg->BB48 = BB48_DEFAULT_WB242_11G; // 20060613.1 20060613.2 + pltmp[7] = BB4C_DEFAULT_WB242_11G; // 0x104c 11b TX RC filter 20060613.2 + pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11G; // 20060613.1 20060613.2 + pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl + pWb35Reg->BB50 = 0x27106208; + pltmp[9] = pHwData->BB54_cal; // 0x1054 + pWb35Reg->BB54 = pHwData->BB54_cal; + pltmp[10] = 0x52523131; // 0x1058 IQ_Alpha + pWb35Reg->BB58 = 0x52523131; + pltmp[11] = 0xAA0AC000; // 20060825 0xAA2AC000; // 0x105c DC_Cancel + Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT ); + + Wb35Reg_Write( pHwData, 0x1070, 0x00000045 ); + break; + } + + // Fill the LNA table + pWb35Reg->LNAValue[0] = (u8)(pWb35Reg->BB0C & 0xff); + pWb35Reg->LNAValue[1] = 0; + pWb35Reg->LNAValue[2] = (u8)((pWb35Reg->BB0C & 0xff00)>>8); + pWb35Reg->LNAValue[3] = 0; + + // Fill SQ3 table + for( i=0; iSQ3_filter[i] = 0x2f; // half of Bit 0 ~ 6 +} + +void set_tx_power_per_channel_max2829( phw_data_t pHwData, ChanInfo Channel) +{ + RFSynthesizer_SetPowerIndex( pHwData, 100 ); // 20060620.1 Modify +} + +void set_tx_power_per_channel_al2230( phw_data_t pHwData, ChanInfo Channel ) +{ + u8 index = 100; + + if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff) // 20060620.1 Add + index = pHwData->TxVgaFor24[Channel.ChanNo - 1]; + + RFSynthesizer_SetPowerIndex( pHwData, index ); +} + +void set_tx_power_per_channel_al7230( phw_data_t pHwData, ChanInfo Channel) +{ + u8 i, index = 100; + + switch ( Channel.band ) + { + case BAND_TYPE_DSSS: + case BAND_TYPE_OFDM_24: + { + if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff) + index = pHwData->TxVgaFor24[Channel.ChanNo - 1]; + } + break; + case BAND_TYPE_OFDM_5: + { + for (i =0; i<35; i++) + { + if (Channel.ChanNo == pHwData->TxVgaFor50[i].ChanNo) + { + if (pHwData->TxVgaFor50[i].TxVgaValue != 0xff) + index = pHwData->TxVgaFor50[i].TxVgaValue; + break; + } + } + } + break; + } + RFSynthesizer_SetPowerIndex( pHwData, index ); +} + +void set_tx_power_per_channel_wb242( phw_data_t pHwData, ChanInfo Channel) +{ + u8 index = 100; + + switch ( Channel.band ) + { + case BAND_TYPE_DSSS: + case BAND_TYPE_OFDM_24: + { + if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff) + index = pHwData->TxVgaFor24[Channel.ChanNo - 1]; + } + break; + case BAND_TYPE_OFDM_5: + break; + } + RFSynthesizer_SetPowerIndex( pHwData, index ); +} + +//============================================================================================================= +// RFSynthesizer_SwitchingChannel -- +// +// Description: +// Swithch the RF channel. +// +// Arguments: +// pHwData - Handle of the USB Device. +// Channel - The channel no. +// +// Return values: +// None. +//============================================================================================================= +void +RFSynthesizer_SwitchingChannel( phw_data_t pHwData, ChanInfo Channel ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 pltmp[16]; // The 16 is the maximum capability of hardware + u32 count, ltmp; + u8 i, j, number; + u8 ChnlTmp; + + switch( pHwData->phy_type ) + { + case RF_MAXIM_2825: + case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331) + + if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13 + { + for( i=0; i<3; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_channel_data_24[Channel.ChanNo-1][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + RFSynthesizer_SetPowerIndex( pHwData, 100 ); + break; + + case RF_MAXIM_2827: + + if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13 + { + for( i=0; i<3; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_24[Channel.ChanNo-1][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64 + { + ChnlTmp = (Channel.ChanNo - 36) / 4; + for( i=0; i<3; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_50[ChnlTmp][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + RFSynthesizer_SetPowerIndex( pHwData, 100 ); + break; + + case RF_MAXIM_2828: + + if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13 + { + for( i=0; i<3; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_24[Channel.ChanNo-1][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64 + { + ChnlTmp = (Channel.ChanNo - 36) / 4; + for ( i = 0; i < 3; i++) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_50[ChnlTmp][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + RFSynthesizer_SetPowerIndex( pHwData, 100 ); + break; + + case RF_MAXIM_2829: + + if( Channel.band <= BAND_TYPE_OFDM_24) + { + for( i=0; i<3; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_channel_data_24[Channel.ChanNo-1][i], 18); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT ); + } + else if( Channel.band == BAND_TYPE_OFDM_5 ) + { + count = sizeof(max2829_channel_data_50) / sizeof(max2829_channel_data_50[0]); + + for( i=0; iband) + { + if (Channel.band <= BAND_TYPE_OFDM_24) + { + //Update BB register + BBProcessor_AL7230_2400(pHwData); + + number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]); + Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number); + } + else + { + //Update BB register + BBProcessor_AL7230_5000(pHwData); + + number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]); + Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number); + } + + // Write to register. number must less and equal than 16 + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, number, NO_INCREMENT ); + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("Band changed\n")); + #endif + } + + if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14 + { + for( i=0; i<2; i++ ) + pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_channel_data_24[Channel.ChanNo-1][i]&0xffffff); + Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 2, NO_INCREMENT ); + } + else if( Channel.band == BAND_TYPE_OFDM_5 ) + { + //Update Reg12 + if ((Channel.ChanNo > 64) && (Channel.ChanNo <= 165)) + { + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00143c; + Wb35Reg_Write( pHwData, 0x0864, ltmp ); + } + else //reg12 = 0x00147c at Channel 4920 ~ 5320 + { + ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00147c; + Wb35Reg_Write( pHwData, 0x0864, ltmp ); + } + + count = sizeof(al7230_channel_data_5) / sizeof(al7230_channel_data_5[0]); + + for (i=0; iBB50 &= ~(BIT(11)|BIT(12)); + Wb35Reg_Write( pHwData, 0x1050, pWb35Reg->BB50 ); // MODE_Ctrl + // MAC: select 2.4 GHz, bit[5]=0 + pWb35Reg->M78_ERPInformation &= ~BIT(5); + Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation ); + // enable 11b Baseband + pWb35Reg->BB30 &= ~BIT(31); + Wb35Reg_Write( pHwData, 0x1030, pWb35Reg->BB30 ); + } + else if( (Channel.band == BAND_TYPE_OFDM_5) ) + { + // BB: select 5 GHz + pWb35Reg->BB50 &= ~(BIT(11)|BIT(12)); + if (Channel.ChanNo <=64 ) + pWb35Reg->BB50 |= BIT(12); // 10-5.25GHz + else if ((Channel.ChanNo >= 100) && (Channel.ChanNo <= 124)) + pWb35Reg->BB50 |= BIT(11); // 01-5.48GHz + else if ((Channel.ChanNo >=128) && (Channel.ChanNo <= 161)) + pWb35Reg->BB50 |= (BIT(12)|BIT(11)); // 11-5.775GHz + else //Chan 184 ~ 196 will use bit[12-11] = 10 in version sh-src-1.2.25 + pWb35Reg->BB50 |= BIT(12); + Wb35Reg_Write( pHwData, 0x1050, pWb35Reg->BB50 ); // MODE_Ctrl + + //(1) M78 should alway use 2.4G setting when using RF_AIROHA_7230 + //(2) BB30 has been updated previously. + if (pHwData->phy_type != RF_AIROHA_7230) + { + // MAC: select 5 GHz, bit[5]=1 + pWb35Reg->M78_ERPInformation |= BIT(5); + Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation ); + + // disable 11b Baseband + pWb35Reg->BB30 |= BIT(31); + Wb35Reg_Write( pHwData, 0x1030, pWb35Reg->BB30 ); + } + } +} + +//Set the tx power directly from DUT GUI, not from the EEPROM. Return the current setting +u8 RFSynthesizer_SetPowerIndex( phw_data_t pHwData, u8 PowerIndex ) +{ + u32 Band = pHwData->band; + u8 index=0; + + if( pHwData->power_index == PowerIndex ) // 20060620.1 Add + return PowerIndex; + + if (RF_MAXIM_2825 == pHwData->phy_type) + { + // Channel 1 - 13 + index = RFSynthesizer_SetMaxim2825Power( pHwData, PowerIndex ); + } + else if (RF_MAXIM_2827 == pHwData->phy_type) + { + if( Band <= BAND_TYPE_OFDM_24 ) // Channel 1 - 13 + index = RFSynthesizer_SetMaxim2827_24Power( pHwData, PowerIndex ); + else// if( Band == BAND_TYPE_OFDM_5 ) // Channel 36 - 64 + index = RFSynthesizer_SetMaxim2827_50Power( pHwData, PowerIndex ); + } + else if (RF_MAXIM_2828 == pHwData->phy_type) + { + if( Band <= BAND_TYPE_OFDM_24 ) // Channel 1 - 13 + index = RFSynthesizer_SetMaxim2828_24Power( pHwData, PowerIndex ); + else// if( Band == BAND_TYPE_OFDM_5 ) // Channel 36 - 64 + index = RFSynthesizer_SetMaxim2828_50Power( pHwData, PowerIndex ); + } + else if( RF_AIROHA_2230 == pHwData->phy_type ) + { + //Power index: 0 ~ 63 // Channel 1 - 14 + index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex ); + index = (u8)al2230_txvga_data[index][1]; + } + else if( RF_AIROHA_2230S == pHwData->phy_type ) // 20060420 Add this + { + //Power index: 0 ~ 63 // Channel 1 - 14 + index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex ); + index = (u8)al2230_txvga_data[index][1]; + } + else if( RF_AIROHA_7230 == pHwData->phy_type ) + { + //Power index: 0 ~ 63 + index = RFSynthesizer_SetAiroha7230Power( pHwData, PowerIndex ); + index = (u8)al7230_txvga_data[index][1]; + } + else if( (RF_WB_242 == pHwData->phy_type) || + (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add + { + //Power index: 0 ~ 19 for original. New range is 0 ~ 33 + index = RFSynthesizer_SetWinbond242Power( pHwData, PowerIndex ); + index = (u8)w89rf242_txvga_data[index][1]; + } + + pHwData->power_index = index; // Backup current + return index; +} + +//-- Sub function +u8 RFSynthesizer_SetMaxim2828_24Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + if( index > 1 ) index = 1; + PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_24[index], 18); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return index; +} +//-- +u8 RFSynthesizer_SetMaxim2828_50Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + if( index > 1 ) index = 1; + PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_50[index], 18); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return index; +} +//-- +u8 RFSynthesizer_SetMaxim2827_24Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + if( index > 1 ) index = 1; + PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_24[index], 18); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return index; +} +//-- +u8 RFSynthesizer_SetMaxim2827_50Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + if( index > 1 ) index = 1; + PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_50[index], 18); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return index; +} +//-- +u8 RFSynthesizer_SetMaxim2825Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + if( index > 1 ) index = 1; + PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_power_data_24[index], 18); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return index; +} +//-- +u8 RFSynthesizer_SetAiroha2230Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + u8 i,count; + + count = sizeof(al2230_txvga_data) / sizeof(al2230_txvga_data[0]); + for (i=0; i= index) + break; + } + if (i == count) + i--; + + PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_txvga_data[i][0], 20); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return i; +} +//-- +u8 RFSynthesizer_SetAiroha7230Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + u8 i,count; + + //PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( airoha_power_data_24[index], 20); + count = sizeof(al7230_txvga_data) / sizeof(al7230_txvga_data[0]); + for (i=0; i= index) + break; + } + if (i == count) + i--; + PowerData = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_txvga_data[i][0]&0xffffff); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return i; +} + +u8 RFSynthesizer_SetWinbond242Power( phw_data_t pHwData, u8 index ) +{ + u32 PowerData; + u8 i,count; + + count = sizeof(w89rf242_txvga_data) / sizeof(w89rf242_txvga_data[0]); + for (i=0; i= index) + break; + } + if (i == count) + i--; + + // Set TxVga into RF + PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( w89rf242_txvga_data[i][0], 24); + Wb35Reg_Write( pHwData, 0x0864, PowerData ); + + // Update BB48 BB4C BB58 for high precision txvga + Wb35Reg_Write( pHwData, 0x1048, w89rf242_txvga_data[i][2] ); + Wb35Reg_Write( pHwData, 0x104c, w89rf242_txvga_data[i][3] ); + Wb35Reg_Write( pHwData, 0x1058, w89rf242_txvga_data[i][4] ); + +// Rf vga 0 ~ 3 for temperature compensate. It will affect the scan Bss. +// The i value equals to 8 or 7 usually. So It's not necessary to setup this RF register. +// if( i <= 3 ) +// PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x000024, 24 ); +// else +// PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x001824, 24 ); +// Wb35Reg_Write( pHwData, 0x0864, PowerData ); + return i; +} + +//=========================================================================================================== +// Dxx_initial -- +// Mxx_initial -- + // +// Routine Description: +// Initial the hardware setting and module variable + // +//=========================================================================================================== +void Dxx_initial( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + // Old IC:Single mode only. + // New IC: operation decide by Software set bit[4]. 1:multiple 0: single + pWb35Reg->D00_DmaControl = 0xc0000004; //Txon, Rxon, multiple Rx for new 4k DMA + //Txon, Rxon, single Rx for old 8k ASIC + if( !HAL_USB_MODE_BURST( pHwData ) ) + pWb35Reg->D00_DmaControl = 0xc0000000;//Txon, Rxon, single Rx for new 4k DMA + + Wb35Reg_WriteSync( pHwData, 0x0400, pWb35Reg->D00_DmaControl ); +} + +void Mxx_initial( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 tmp; + u32 pltmp[11]; + u16 i; + + + //====================================================== + // Initial Mxx register + //====================================================== + + // M00 bit set +#ifdef _IBSS_BEACON_SEQ_STICK_ + pWb35Reg->M00_MacControl = 0; // Solve beacon sequence number stop by software +#else + pWb35Reg->M00_MacControl = 0x80000000; // Solve beacon sequence number stop by hardware +#endif + + // M24 disable enter power save, BB RxOn and enable NAV attack + pWb35Reg->M24_MacControl = 0x08040042; + pltmp[0] = pWb35Reg->M24_MacControl; + + pltmp[1] = 0; // Skip M28, because no initialize value is required. + + // M2C CWmin and CWmax setting + pHwData->cwmin = DEFAULT_CWMIN; + pHwData->cwmax = DEFAULT_CWMAX; + pWb35Reg->M2C_MacControl = DEFAULT_CWMIN << 10; + pWb35Reg->M2C_MacControl |= DEFAULT_CWMAX; + pltmp[2] = pWb35Reg->M2C_MacControl; + + // M30 BSSID + pltmp[3] = *(PULONG)pHwData->bssid; + + // M34 + pHwData->AID = DEFAULT_AID; + tmp = *(PUSHORT)(pHwData->bssid+4); + tmp |= DEFAULT_AID << 16; + pltmp[4] = tmp; + + // M38 + pWb35Reg->M38_MacControl = (DEFAULT_RATE_RETRY_LIMIT<<8) | (DEFAULT_LONG_RETRY_LIMIT << 4) | DEFAULT_SHORT_RETRY_LIMIT; + pltmp[5] = pWb35Reg->M38_MacControl; + + // M3C + tmp = (DEFAULT_PIFST << 26) | (DEFAULT_EIFST << 16) | (DEFAULT_DIFST << 8) | (DEFAULT_SIFST << 4) | DEFAULT_OSIFST ; + pWb35Reg->M3C_MacControl = tmp; + pltmp[6] = tmp; + + // M40 + pHwData->slot_time_select = DEFAULT_SLOT_TIME; + tmp = (DEFAULT_ATIMWD << 16) | DEFAULT_SLOT_TIME; + pWb35Reg->M40_MacControl = tmp; + pltmp[7] = tmp; + + // M44 + tmp = DEFAULT_MAX_TX_MSDU_LIFE_TIME << 10; // *1024 + pWb35Reg->M44_MacControl = tmp; + pltmp[8] = tmp; + + // M48 + pHwData->BeaconPeriod = DEFAULT_BEACON_INTERVAL; + pHwData->ProbeDelay = DEFAULT_PROBE_DELAY_TIME; + tmp = (DEFAULT_BEACON_INTERVAL << 16) | DEFAULT_PROBE_DELAY_TIME; + pWb35Reg->M48_MacControl = tmp; + pltmp[9] = tmp; + + //M4C + pWb35Reg->M4C_MacStatus = (DEFAULT_PROTOCOL_VERSION << 30) | (DEFAULT_MAC_POWER_STATE << 28) | (DEFAULT_DTIM_ALERT_TIME << 24); + pltmp[10] = pWb35Reg->M4C_MacStatus; + + // Burst write + //Wb35Reg_BurstWrite( pHwData, 0x0824, pltmp, 11, AUTO_INCREMENT ); + for( i=0; i<11; i++ ) + Wb35Reg_WriteSync( pHwData, 0x0824 + i*4, pltmp[i] ); + + // M60 + Wb35Reg_WriteSync( pHwData, 0x0860, 0x12481248 ); + pWb35Reg->M60_MacControl = 0x12481248; + + // M68 + Wb35Reg_WriteSync( pHwData, 0x0868, 0x00050900 ); // 20051018 0x000F0F00 ); // 940930 0x00131300 + pWb35Reg->M68_MacControl = 0x00050900; + + // M98 + Wb35Reg_WriteSync( pHwData, 0x0898, 0xffff8888 ); + pWb35Reg->M98_MacControl = 0xffff8888; +} + + +void Uxx_power_off_procedure( phw_data_t pHwData ) +{ + // SW, PMU reset and turn off clock + Wb35Reg_WriteSync( pHwData, 0x03b0, 3 ); + Wb35Reg_WriteSync( pHwData, 0x03f0, 0xf9 ); +} + +//Decide the TxVga of every channel +void GetTxVgaFromEEPROM( phw_data_t pHwData ) +{ + u32 i, j, ltmp; + u16 Value[MAX_TXVGA_EEPROM]; + PUCHAR pctmp; + u8 ctmp=0; + + // Get the entire TxVga setting in EEPROM + for( i=0; iphy_type == RF_WB_242 ) + { + for( i=0; i<4; i++ ) // Only 2412 2437 2462 2484 case must be modified + { + for( j=0; j<(sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])); j++ ) + { + if( pctmp[i] < (u8)w89rf242_txvga_old_mapping[j][1] ) + { + pctmp[i] = (u8)w89rf242_txvga_old_mapping[j][0]; + break; + } + } + + if( j == (sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])) ) + pctmp[i] = (u8)w89rf242_txvga_old_mapping[j-1][0]; + } + } + + // 20060621 Add + memcpy( pHwData->TxVgaSettingInEEPROM, pctmp, MAX_TXVGA_EEPROM*2 ); //MAX_TXVGA_EEPROM is u16 count + EEPROMTxVgaAdjust( pHwData ); +} + +// This function will affect the TxVga parameter in HAL. If hal_set_current_channel +// or RFSynthesizer_SetPowerIndex be called, new TxVga will take effect. +// TxVgaSettingInEEPROM of sHwData is an u8 array point to EEPROM contain for IS89C35 +// This function will use default TxVgaSettingInEEPROM data to calculate new TxVga. +void EEPROMTxVgaAdjust( phw_data_t pHwData ) // 20060619.5 Add +{ + PUCHAR pTxVga = pHwData->TxVgaSettingInEEPROM; + s16 i, stmp; + + //-- 2.4G -- 20060704.2 Request from Tiger + //channel 1 ~ 5 + stmp = pTxVga[1] - pTxVga[0]; + for( i=0; i<5; i++ ) + pHwData->TxVgaFor24[i] = pTxVga[0] + stmp*i/4; + //channel 6 ~ 10 + stmp = pTxVga[2] - pTxVga[1]; + for( i=5; i<10; i++ ) + pHwData->TxVgaFor24[i] = pTxVga[1] + stmp*(i-5)/4; + //channel 11 ~ 13 + stmp = pTxVga[3] - pTxVga[2]; + for( i=10; i<13; i++ ) + pHwData->TxVgaFor24[i] = pTxVga[2] + stmp*(i-10)/2; + //channel 14 + pHwData->TxVgaFor24[13] = pTxVga[3]; + + //-- 5G -- + if( pHwData->phy_type == RF_AIROHA_7230 ) + { + //channel 184 + pHwData->TxVgaFor50[0].ChanNo = 184; + pHwData->TxVgaFor50[0].TxVgaValue = pTxVga[4]; + //channel 196 + pHwData->TxVgaFor50[3].ChanNo = 196; + pHwData->TxVgaFor50[3].TxVgaValue = pTxVga[5]; + //interpolate + pHwData->TxVgaFor50[1].ChanNo = 188; + pHwData->TxVgaFor50[2].ChanNo = 192; + stmp = pTxVga[5] - pTxVga[4]; + pHwData->TxVgaFor50[2].TxVgaValue = pTxVga[5] - stmp/3; + pHwData->TxVgaFor50[1].TxVgaValue = pTxVga[5] - stmp*2/3; + + //channel 16 + pHwData->TxVgaFor50[6].ChanNo = 16; + pHwData->TxVgaFor50[6].TxVgaValue = pTxVga[6]; + pHwData->TxVgaFor50[4].ChanNo = 8; + pHwData->TxVgaFor50[4].TxVgaValue = pTxVga[6]; + pHwData->TxVgaFor50[5].ChanNo = 12; + pHwData->TxVgaFor50[5].TxVgaValue = pTxVga[6]; + + //channel 36 + pHwData->TxVgaFor50[8].ChanNo = 36; + pHwData->TxVgaFor50[8].TxVgaValue = pTxVga[7]; + pHwData->TxVgaFor50[7].ChanNo = 34; + pHwData->TxVgaFor50[7].TxVgaValue = pTxVga[7]; + pHwData->TxVgaFor50[9].ChanNo = 38; + pHwData->TxVgaFor50[9].TxVgaValue = pTxVga[7]; + + //channel 40 + pHwData->TxVgaFor50[10].ChanNo = 40; + pHwData->TxVgaFor50[10].TxVgaValue = pTxVga[8]; + //channel 48 + pHwData->TxVgaFor50[14].ChanNo = 48; + pHwData->TxVgaFor50[14].TxVgaValue = pTxVga[9]; + //interpolate + pHwData->TxVgaFor50[11].ChanNo = 42; + pHwData->TxVgaFor50[12].ChanNo = 44; + pHwData->TxVgaFor50[13].ChanNo = 46; + stmp = pTxVga[9] - pTxVga[8]; + pHwData->TxVgaFor50[13].TxVgaValue = pTxVga[9] - stmp/4; + pHwData->TxVgaFor50[12].TxVgaValue = pTxVga[9] - stmp*2/4; + pHwData->TxVgaFor50[11].TxVgaValue = pTxVga[9] - stmp*3/4; + + //channel 52 + pHwData->TxVgaFor50[15].ChanNo = 52; + pHwData->TxVgaFor50[15].TxVgaValue = pTxVga[10]; + //channel 64 + pHwData->TxVgaFor50[18].ChanNo = 64; + pHwData->TxVgaFor50[18].TxVgaValue = pTxVga[11]; + //interpolate + pHwData->TxVgaFor50[16].ChanNo = 56; + pHwData->TxVgaFor50[17].ChanNo = 60; + stmp = pTxVga[11] - pTxVga[10]; + pHwData->TxVgaFor50[17].TxVgaValue = pTxVga[11] - stmp/3; + pHwData->TxVgaFor50[16].TxVgaValue = pTxVga[11] - stmp*2/3; + + //channel 100 + pHwData->TxVgaFor50[19].ChanNo = 100; + pHwData->TxVgaFor50[19].TxVgaValue = pTxVga[12]; + //channel 112 + pHwData->TxVgaFor50[22].ChanNo = 112; + pHwData->TxVgaFor50[22].TxVgaValue = pTxVga[13]; + //interpolate + pHwData->TxVgaFor50[20].ChanNo = 104; + pHwData->TxVgaFor50[21].ChanNo = 108; + stmp = pTxVga[13] - pTxVga[12]; + pHwData->TxVgaFor50[21].TxVgaValue = pTxVga[13] - stmp/3; + pHwData->TxVgaFor50[20].TxVgaValue = pTxVga[13] - stmp*2/3; + + //channel 128 + pHwData->TxVgaFor50[26].ChanNo = 128; + pHwData->TxVgaFor50[26].TxVgaValue = pTxVga[14]; + //interpolate + pHwData->TxVgaFor50[23].ChanNo = 116; + pHwData->TxVgaFor50[24].ChanNo = 120; + pHwData->TxVgaFor50[25].ChanNo = 124; + stmp = pTxVga[14] - pTxVga[13]; + pHwData->TxVgaFor50[25].TxVgaValue = pTxVga[14] - stmp/4; + pHwData->TxVgaFor50[24].TxVgaValue = pTxVga[14] - stmp*2/4; + pHwData->TxVgaFor50[23].TxVgaValue = pTxVga[14] - stmp*3/4; + + //channel 140 + pHwData->TxVgaFor50[29].ChanNo = 140; + pHwData->TxVgaFor50[29].TxVgaValue = pTxVga[15]; + //interpolate + pHwData->TxVgaFor50[27].ChanNo = 132; + pHwData->TxVgaFor50[28].ChanNo = 136; + stmp = pTxVga[15] - pTxVga[14]; + pHwData->TxVgaFor50[28].TxVgaValue = pTxVga[15] - stmp/3; + pHwData->TxVgaFor50[27].TxVgaValue = pTxVga[15] - stmp*2/3; + + //channel 149 + pHwData->TxVgaFor50[30].ChanNo = 149; + pHwData->TxVgaFor50[30].TxVgaValue = pTxVga[16]; + //channel 165 + pHwData->TxVgaFor50[34].ChanNo = 165; + pHwData->TxVgaFor50[34].TxVgaValue = pTxVga[17]; + //interpolate + pHwData->TxVgaFor50[31].ChanNo = 153; + pHwData->TxVgaFor50[32].ChanNo = 157; + pHwData->TxVgaFor50[33].ChanNo = 161; + stmp = pTxVga[17] - pTxVga[16]; + pHwData->TxVgaFor50[33].TxVgaValue = pTxVga[17] - stmp/4; + pHwData->TxVgaFor50[32].TxVgaValue = pTxVga[17] - stmp*2/4; + pHwData->TxVgaFor50[31].TxVgaValue = pTxVga[17] - stmp*3/4; + } + + #ifdef _PE_STATE_DUMP_ + WBDEBUG((" TxVgaFor24 : \n")); + DataDmp((u8 *)pHwData->TxVgaFor24, 14 ,0); + WBDEBUG((" TxVgaFor50 : \n")); + DataDmp((u8 *)pHwData->TxVgaFor50, 70 ,0); + #endif +} + +void BBProcessor_RateChanging( phw_data_t pHwData, u8 rate ) // 20060613.1 +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + unsigned char Is11bRate; + + Is11bRate = (rate % 6) ? 1 : 0; + switch( pHwData->phy_type ) + { + case RF_AIROHA_2230: + case RF_AIROHA_2230S: // 20060420 Add this + if( Is11bRate ) + { + if( (pWb35Reg->BB48 != BB48_DEFAULT_AL2230_11B) && + (pWb35Reg->BB4C != BB4C_DEFAULT_AL2230_11B) ) + { + Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11B ); + Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11B ); + } + } + else + { + if( (pWb35Reg->BB48 != BB48_DEFAULT_AL2230_11G) && + (pWb35Reg->BB4C != BB4C_DEFAULT_AL2230_11G) ) + { + Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11G ); + Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11G ); + } + } + break; + + case RF_WB_242: // 20060623 The fix only for old TxVGA setting + if( Is11bRate ) + { + if( (pWb35Reg->BB48 != BB48_DEFAULT_WB242_11B) && + (pWb35Reg->BB4C != BB4C_DEFAULT_WB242_11B) ) + { + pWb35Reg->BB48 = BB48_DEFAULT_WB242_11B; + pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11B; + Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11B ); + Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11B ); + } + } + else + { + if( (pWb35Reg->BB48 != BB48_DEFAULT_WB242_11G) && + (pWb35Reg->BB4C != BB4C_DEFAULT_WB242_11G) ) + { + pWb35Reg->BB48 = BB48_DEFAULT_WB242_11G; + pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11G; + Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11G ); + Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11G ); + } + } + break; + } +} + + + + + + + diff --git a/drivers/staging/winbond/rxisr.c b/drivers/staging/winbond/rxisr.c new file mode 100644 index 000000000000..18e942c9b821 --- /dev/null +++ b/drivers/staging/winbond/rxisr.c @@ -0,0 +1,30 @@ +#include "os_common.h" + +void vRxTimerInit(PWB32_ADAPTER Adapter) +{ + OS_TIMER_INITIAL(&(Adapter->Mds.nTimer), (void*) RxTimerHandler, (void*) Adapter); +} + +void vRxTimerStart(PWB32_ADAPTER Adapter, int timeout_value) +{ + if (timeout_valueMds.nTimer), timeout_value ); +} + +void vRxTimerStop(PWB32_ADAPTER Adapter) +{ + OS_TIMER_CANCEL( &(Adapter->Mds.nTimer), 0 ); +} + +void RxTimerHandler_1a( PADAPTER Adapter) +{ + RxTimerHandler(NULL, Adapter, NULL, NULL); +} + +void RxTimerHandler(void* SystemSpecific1, PWB32_ADAPTER Adapter, + void* SystemSpecific2, void* SystemSpecific3) +{ + WARN_ON(1); +} diff --git a/drivers/staging/winbond/scan_s.h b/drivers/staging/winbond/scan_s.h new file mode 100644 index 000000000000..1d1b0c4fec17 --- /dev/null +++ b/drivers/staging/winbond/scan_s.h @@ -0,0 +1,115 @@ +// +// SCAN task global CONSTANTS, STRUCTURES, variables +// + +////////////////////////////////////////////////////////////////////////// +//define the msg type of SCAN module +#define SCANMSG_SCAN_REQ 0x01 +#define SCANMSG_BEACON 0x02 +#define SCANMSG_PROBE_RESPONSE 0x03 +#define SCANMSG_TIMEOUT 0x04 +#define SCANMSG_TXPROBE_FAIL 0x05 +#define SCANMSG_ENABLE_BGSCAN 0x06 +#define SCANMSG_STOP_SCAN 0x07 + +// BSS Type =>conform to +// IBSS : ToDS/FromDS = 00 +// Infrastructure : ToDS/FromDS = 01 +#define IBSS_NET 0 +#define ESS_NET 1 +#define ANYBSS_NET 2 + +// Scan Type +#define ACTIVE_SCAN 0 +#define PASSIVE_SCAN 1 + +/////////////////////////////////////////////////////////////////////////// +//Global data structures, Initial Scan & Background Scan +typedef struct _SCAN_REQ_PARA //mandatory parameters for SCAN request +{ + u32 ScanType; //passive/active scan + + CHAN_LIST sChannelList; // 86B + u8 reserved_1[2]; + + struct SSID_Element sSSID; // 34B. scan only for this SSID + u8 reserved_2[2]; + +} SCAN_REQ_PARA, *psSCAN_REQ_PARA; + +typedef struct _SCAN_PARAMETERS +{ + u16 wState; + u16 iCurrentChannelIndex; + + SCAN_REQ_PARA sScanReq; + + u8 BSSID[MAC_ADDR_LENGTH + 2]; //scan only for this BSSID + + u32 BssType; //scan only for this BSS type + + //struct SSID_Element sSSID; //scan only for this SSID + u16 ProbeDelay; + u16 MinChannelTime; + + u16 MaxChannelTime; + u16 reserved_1; + + s32 iBgScanPeriod; // XP: 5 sec + + u8 boBgScan; // Wb: enable BG scan, For XP, this value must be FALSE + u8 boFastScan; // Wb: reserved + u8 boCCAbusy; // Wb: HWMAC CCA busy status + u8 reserved_2; + + //NDIS_MINIPORT_TIMER nTimer; + OS_TIMER nTimer; + + u32 ScanTimeStamp; //Increase 1 per background scan(1 minute) + u32 BssTimeStamp; //Increase 1 per connect status check + u32 RxNumPerAntenna[2]; // + + u8 AntennaToggle; // + u8 boInTimerHandler; + u8 boTimerActive; // Wb: reserved + u8 boSave; + + u32 BScanEnable; // Background scan enable. Default is On + +} SCAN_PARAMETERS, *psSCAN_PARAMETERS; + +// Encapsulate 'Adapter' data structure +#define psSCAN (&(Adapter->sScanPara)) +#define psSCANREQ (&(Adapter->sScanPara.sScanReq)) + +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// scan.h +// Define the related definitions of scan module +// history -- 01/14/03' created +// +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +//Define the state of scan module +#define SCAN_INACTIVE 0 +#define WAIT_PROBE_DELAY 1 +#define WAIT_RESPONSE_MIN 2 +#define WAIT_RESPONSE_MAX_ACTIVE 3 +#define WAIT_BEACON_MAX_PASSIVE 4 +#define SCAN_COMPLETE 5 +#define BG_SCAN 6 +#define BG_SCANNING 7 + + +// The value will load from EEPROM +// If 0xff is set in EEPOM, the driver will use SCAN_MAX_CHNL_TIME instead. +// The definition is in WbHal.h +// #define SCAN_MAX_CHNL_TIME (50) + + + +// static functions + +//static void ScanTimerHandler(PWB32_ADAPTER Adapter); +//static void vScanTimerStart(PWB32_ADAPTER Adapter, int timeout_value); +//static void vScanTimerStop(PWB32_ADAPTER Adapter); + diff --git a/drivers/staging/winbond/sme_api.c b/drivers/staging/winbond/sme_api.c new file mode 100644 index 000000000000..40e93b7600eb --- /dev/null +++ b/drivers/staging/winbond/sme_api.c @@ -0,0 +1,13 @@ +//------------------------------------------------------------------------------------ +// sme_api.c +// +// Copyright(C) 2002 Winbond Electronics Corp. +// +// +//------------------------------------------------------------------------------------ +#include "os_common.h" + +s8 sme_get_rssi(void *pcore_data, s32 *prssi) +{ + BUG(); +} diff --git a/drivers/staging/winbond/sme_api.h b/drivers/staging/winbond/sme_api.h new file mode 100644 index 000000000000..016b225ca4a4 --- /dev/null +++ b/drivers/staging/winbond/sme_api.h @@ -0,0 +1,265 @@ +/* + * sme_api.h + * + * Copyright(C) 2002 Winbond Electronics Corp. + * + * modification history + * --------------------------------------------------------------------------- + * 1.00.001, 2003-04-21, Kevin created + * 1.00.002, 2003-05-14, PD43 & PE20 modified + * + */ + +#ifndef __SME_API_H__ +#define __SME_API_H__ + +/****************** INCLUDE FILES SECTION ***********************************/ +//#include "GL\gl_core.h" + +/****************** CONSTANT AND MACRO SECTION ******************************/ +#define _INLINE __inline + +#define MEDIA_STATE_DISCONNECTED 0 +#define MEDIA_STATE_CONNECTED 1 + +//ARRAY CHECK +#define MAX_POWER_TO_DB 32 + +/****************** TYPE DEFINITION SECTION *********************************/ + +/****************** EXPORTED FUNCTION DECLARATION SECTION *******************/ + +// OID_802_11_BSSID +s8 sme_get_bssid(void *pcore_data, u8 *pbssid); +s8 sme_get_desired_bssid(void *pcore_data, u8 *pbssid);//Not use +s8 sme_set_desired_bssid(void *pcore_data, u8 *pbssid); + +// OID_802_11_SSID +s8 sme_get_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len); +s8 sme_get_desired_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);// Not use +s8 sme_set_desired_ssid(void *pcore_data, u8 *pssid, u8 ssid_len); + +// OID_802_11_INFRASTRUCTURE_MODE +s8 sme_get_bss_type(void *pcore_data, u8 *pbss_type); +s8 sme_get_desired_bss_type(void *pcore_data, u8 *pbss_type);//Not use +s8 sme_set_desired_bss_type(void *pcore_data, u8 bss_type); + +// OID_802_11_FRAGMENTATION_THRESHOLD +s8 sme_get_fragment_threshold(void *pcore_data, u32 *pthreshold); +s8 sme_set_fragment_threshold(void *pcore_data, u32 threshold); + +// OID_802_11_RTS_THRESHOLD +s8 sme_get_rts_threshold(void *pcore_data, u32 *pthreshold); +s8 sme_set_rts_threshold(void *pcore_data, u32 threshold); + +// OID_802_11_RSSI +s8 sme_get_rssi(void *pcore_data, s32 *prssi); + +// OID_802_11_CONFIGURATION +s8 sme_get_beacon_period(void *pcore_data, u16 *pbeacon_period); +s8 sme_set_beacon_period(void *pcore_data, u16 beacon_period); + +s8 sme_get_atim_window(void *pcore_data, u16 *patim_window); +s8 sme_set_atim_window(void *pcore_data, u16 atim_window); + +s8 sme_get_current_channel(void *pcore_data, u8 *pcurrent_channel); +s8 sme_get_current_band(void *pcore_data, u8 *pcurrent_band); +s8 sme_set_current_channel(void *pcore_data, u8 current_channel); + +// OID_802_11_BSSID_LIST +s8 sme_get_scan_bss_count(void *pcore_data, u8 *pcount); +s8 sme_get_scan_bss(void *pcore_data, u8 index, void **ppbss); + +s8 sme_get_connected_bss(void *pcore_data, void **ppbss_now); + +// OID_802_11_AUTHENTICATION_MODE +s8 sme_get_auth_mode(void *pcore_data, u8 *pauth_mode); +s8 sme_set_auth_mode(void *pcore_data, u8 auth_mode); + +// OID_802_11_WEP_STATUS / OID_802_11_ENCRYPTION_STATUS +s8 sme_get_wep_mode(void *pcore_data, u8 *pwep_mode); +s8 sme_set_wep_mode(void *pcore_data, u8 wep_mode); +//s8 sme_get_encryption_status(void *pcore_data, u8 *pstatus); +//s8 sme_set_encryption_status(void *pcore_data, u8 status); + +// ??????????????????????????????????????? + +// OID_GEN_VENDOR_ID +// OID_802_3_PERMANENT_ADDRESS +s8 sme_get_permanent_mac_addr(void *pcore_data, u8 *pmac_addr); + +// OID_802_3_CURRENT_ADDRESS +s8 sme_get_current_mac_addr(void *pcore_data, u8 *pmac_addr); + +// OID_802_11_NETWORK_TYPE_IN_USE +s8 sme_get_network_type_in_use(void *pcore_data, u8 *ptype); +s8 sme_set_network_type_in_use(void *pcore_data, u8 type); + +// OID_802_11_SUPPORTED_RATES +s8 sme_get_supported_rate(void *pcore_data, u8 *prates); + +// OID_802_11_ADD_WEP +//12/29/03' wkchen +s8 sme_set_add_wep(void *pcore_data, u32 key_index, u32 key_len, + u8 *Address, u8 *key); + +// OID_802_11_REMOVE_WEP +s8 sme_set_remove_wep(void *pcre_data, u32 key_index); + +// OID_802_11_DISASSOCIATE +s8 sme_set_disassociate(void *pcore_data); + +// OID_802_11_POWER_MODE +s8 sme_get_power_mode(void *pcore_data, u8 *pmode); +s8 sme_set_power_mode(void *pcore_data, u8 mode); + +// OID_802_11_BSSID_LIST_SCAN +s8 sme_set_bssid_list_scan(void *pcore_data, void *pscan_para); + +// OID_802_11_RELOAD_DEFAULTS +s8 sme_set_reload_defaults(void *pcore_data, u8 reload_type); + + +// The following SME API functions are used for WPA +// +// Mandatory OIDs for WPA +// + +// OID_802_11_ADD_KEY +//s8 sme_set_add_key(void *pcore_data, NDIS_802_11_KEY *pkey); + +// OID_802_11_REMOVE_KEY +//s8 sme_set_remove_key(void *pcore_data, NDIS_802_11_REMOVE_KEY *pkey); + +// OID_802_11_ASSOCIATION_INFORMATION +//s8 sme_set_association_information(void *pcore_data, +// NDIS_802_11_ASSOCIATION_INFORMATION *pinfo); + +// OID_802_11_TEST +//s8 sme_set_test(void *pcore_data, NDIS_802_11_TEST *ptest_data); + +//--------------------------------------------------------------------------// +/* +// The left OIDs + +// OID_802_11_NETWORK_TYPES_SUPPORTED +// OID_802_11_TX_POWER_LEVEL +// OID_802_11_RSSI_TRIGGER +// OID_802_11_NUMBER_OF_ANTENNAS +// OID_802_11_RX_ANTENNA_SELECTED +// OID_802_11_TX_ANTENNA_SELECTED +// OID_802_11_STATISTICS +// OID_802_11_DESIRED_RATES +// OID_802_11_PRIVACY_FILTER + +*/ + +/*------------------------- none-standard ----------------------------------*/ +s8 sme_get_connect_status(void *pcore_data, u8 *pstatus); + +/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ +//s8 sme_get_scan_type(void *pcore_data, u8 *pscan_type); +//s8 sme_set_scan_type(void *pcore_data, u8 scan_type); + +//s8 sme_get_scan_channel_list(void *pcore_data, u8 *pscan_type); +//s8 sme_set_scan_channel_list(void *pcore_data, u8 scan_type); + + +void sme_get_encryption_status(void *pcore_data, u8 *EncryptStatus); +void sme_set_encryption_status(void *pcore_data, u8 EncryptStatus); +s8 sme_add_key(void *pcore_data, + u32 key_index, + u8 key_len, + u8 key_type, + u8 *key_bssid, + //u8 *key_rsc, + u8 *ptx_tsc, + u8 *prx_tsc, + u8 *key_material); +void sme_remove_default_key(void *pcore_data, int index); +void sme_remove_mapping_key(void *pcore_data, u8 *pmac_addr); +void sme_clear_all_mapping_key(void *pcore_data); +void sme_clear_all_default_key(void *pcore_data); + + + +s8 sme_set_preamble_mode(void *pcore_data, u8 mode); +s8 sme_get_preamble_mode(void *pcore_data, u8 *mode); +s8 sme_get_preamble_type(void *pcore_data, u8 *type); +s8 sme_set_slottime_mode(void *pcore_data, u8 mode); +s8 sme_get_slottime_mode(void *pcore_data, u8 *mode); +s8 sme_get_slottime_type(void *pcore_data, u8 *type); +s8 sme_set_txrate_policy(void *pcore_data, u8 policy); +s8 sme_get_txrate_policy(void *pcore_data, u8 *policy); +s8 sme_get_cwmin_value(void *pcore_data, u8 *cwmin); +s8 sme_get_cwmax_value(void *pcore_data, u16 *cwmax); +s8 sme_get_ms_radio_mode(void *pcore_data, u8 * pMsRadioOff); +s8 sme_set_ms_radio_mode(void *pcore_data, u8 boMsRadioOff); +s8 sme_get_radio_mode(void *pcore_data, psRadioOff pRadioOffData); +s8 sme_set_radio_mode(void *pcore_data, RadioOff RadioOffData); + +void sme_get_tx_power_level(void *pcore_data, u32 *TxPower); +u8 sme_set_tx_power_level(void *pcore_data, u32 TxPower); +void sme_get_antenna_count(void *pcore_data, u32 *AntennaCount); +void sme_get_rx_antenna(void *pcore_data, u32 *RxAntenna); +u8 sme_set_rx_antenna(void *pcore_data, u32 RxAntenna); +void sme_get_tx_antenna(void *pcore_data, u32 *TxAntenna); +s8 sme_set_tx_antenna(void *pcore_data, u32 TxAntenna); +s8 sme_set_IBSS_chan(void *pcore_data, ChanInfo chan); + +//20061108 WPS +s8 sme_set_IE_append(void *pcore_data, PUCHAR buffer, u16 buf_len); + + + + +//================== Local functions ====================== +//#ifdef _HSINCHU +//void drv_translate_rssi(); // HW RSSI bit -> NDIS RSSI representation +//void drv_translate_bss_description(); // Local bss desc -> NDIS bss desc +//void drv_translate_channel(u8 NetworkType, u8 ChannelNumber, u32 *freq); // channel number -> channel /freq. +//#endif _HSINCHU +// +static const u32 PowerDbToMw[] = +{ + 56, //mW, MAX - 0, 17.5 dbm + 40, //mW, MAX - 1, 16.0 dbm + 30, //mW, MAX - 2, 14.8 dbm + 20, //mW, MAX - 3, 13.0 dbm + 15, //mW, MAX - 4, 11.8 dbm + 12, //mW, MAX - 5, 10.6 dbm + 9, //mW, MAX - 6, 9.4 dbm + 7, //mW, MAX - 7, 8.3 dbm + 5, //mW, MAX - 8, 6.4 dbm + 4, //mW, MAX - 9, 5.3 dbm + 3, //mW, MAX - 10, 4.0 dbm + 2, //mW, MAX - 11, ? dbm + 2, //mW, MAX - 12, ? dbm + 2, //mW, MAX - 13, ? dbm + 2, //mW, MAX - 14, ? dbm + 2, //mW, MAX - 15, ? dbm + 2, //mW, MAX - 16, ? dbm + 2, //mW, MAX - 17, ? dbm + 2, //mW, MAX - 18, ? dbm + 1, //mW, MAX - 19, ? dbm + 1, //mW, MAX - 20, ? dbm + 1, //mW, MAX - 21, ? dbm + 1, //mW, MAX - 22, ? dbm + 1, //mW, MAX - 23, ? dbm + 1, //mW, MAX - 24, ? dbm + 1, //mW, MAX - 25, ? dbm + 1, //mW, MAX - 26, ? dbm + 1, //mW, MAX - 27, ? dbm + 1, //mW, MAX - 28, ? dbm + 1, //mW, MAX - 29, ? dbm + 1, //mW, MAX - 30, ? dbm + 1 //mW, MAX - 31, ? dbm +}; + + + + + +#endif /* __SME_API_H__ */ + + diff --git a/drivers/staging/winbond/sme_s.h b/drivers/staging/winbond/sme_s.h new file mode 100644 index 000000000000..dfd2fbc4edef --- /dev/null +++ b/drivers/staging/winbond/sme_s.h @@ -0,0 +1,228 @@ +// +// SME_S.H - +// SME task global CONSTANTS, STRUCTURES, variables +// + +////////////////////////////////////////////////////////////////////////// +//define the msg type of SME module +// 0x00~0x1F : MSG from GUI dispatch +// 0x20~0x3F : MSG from MLME +// 0x40~0x5F : MSG from SCAN +// 0x60~0x6F : MSG from TX/RX +// 0x70~0x7F : MSG from ROAMING +// 0x80~0x8F : MSG from ISR +// 0x90 : MSG TimeOut + +// from GUI +#define SMEMSG_SCAN_REQ 0x01 +//#define SMEMSG_PASSIVE_SCAN_REQ 0x02 +#define SMEMSG_JOIN_REQ 0x03 +#define SMEMSG_START_IBSS 0x04 +#define SMEMSG_DISCONNECT_REQ 0x05 +#define SMEMSG_AUTHEN_REQ 0x06 +#define SMEMSG_DEAUTHEN_REQ 0x07 +#define SMEMSG_ASSOC_REQ 0x08 +#define SMEMSG_REASSOC_REQ 0x09 +#define SMEMSG_DISASSOC_REQ 0x0a +#define SMEMSG_POWERSAVE_REQ 0x0b + + +// from MLME +#define SMEMSG_AUTHEN_CFM 0x21 +#define SMEMSG_AUTHEN_IND 0x22 +#define SMEMSG_ASSOC_CFM 0x23 +#define SMEMSG_DEAUTHEN_IND 0x24 +#define SMEMSG_DISASSOC_IND 0x25 +// from SCAN +#define SMEMSG_SCAN_CFM 0x41 +#define SMEMSG_START_IBSS_CFM 0x42 +// from MTO, function call to set SME parameters + +// 0x60~0x6F : MSG from TX/RX +//#define SMEMSG_IBSS_JOIN_UPDATE_BSSID 0x61 +#define SMEMSG_COUNTERMEASURE_MICFAIL_TIMEOUT 0x62 +#define SMEMSG_COUNTERMEASURE_BLOCK_TIMEOUT 0x63 +// from ROAMING +#define SMEMSG_HANDOVER_JOIN_REQ 0x71 +#define SMEMSG_END_ROAMING 0x72 +#define SMEMSG_SCAN_JOIN_REQ 0x73 +// from ISR +#define SMEMSG_TSF_SYNC_IND 0x81 +// from TimeOut +#define SMEMSG_TIMEOUT 0x91 + + + +#define MAX_PMKID_Accunt 16 +//@added by ws 04/22/05 +#define Cipher_Disabled 0 +#define Cipher_Wep 1 +#define Cipher_Tkip 2 +#define Cipher_Ccmp 4 + + +/////////////////////////////////////////////////////////////////////////// +//Constants + +/////////////////////////////////////////////////////////////////////////// +//Global data structures + +#define NUMOFWEPENTRIES 64 + +typedef enum _WEPKeyMode +{ + WEPKEY_DISABLED = 0, + WEPKEY_64 = 1, + WEPKEY_128 = 2 + +} WEPKEYMODE, *pWEPKEYMODE; + +#ifdef _WPA2_ + +typedef struct _BSSInfo +{ + u8 PreAuthBssID[6]; + PMKID pmkid_value; +}BSSID_Info; + +typedef struct _PMKID_Table //added by ws 05/05/04 +{ + u32 Length; + u32 BSSIDInfoCount; + BSSID_Info BSSIDInfo[16]; + +} PMKID_Table; + +#endif //end def _WPA2_ + +#define MAX_BASIC_RATE_SET 15 +#define MAX_OPT_RATE_SET MAX_BASIC_RATE_SET + + +typedef struct _SME_PARAMETERS +{ + u16 wState; + u8 boDUTmode; + u8 bDesiredPowerSave; + + // SME timer and timeout value + //NDIS_MINIPORT_TIMER nTimer; + OS_TIMER nTimer; + + u8 boInTimerHandler; + u8 boAuthRetryActive; + u8 reserved_0[2]; + + u32 AuthenRetryTimerVal; // NOTE: Assoc don't fail timeout + u32 JoinFailTimerVal; // 10*Beacon-Interval + + //Rates + u8 BSSBasicRateSet[(MAX_BASIC_RATE_SET + 3) & ~0x03 ]; // BSS basic rate set + u8 OperationalRateSet[(MAX_OPT_RATE_SET + 3) & ~0x03 ]; // Operational rate set + + u8 NumOfBSSBasicRate; + u8 NumOfOperationalRate; + u8 reserved_1[2]; + + u32 BasicRateBitmap; + u32 OpRateBitmap; + + // System parameters Set by GUI + //-------------------- start IBSS parameter ---------------------------// + u32 boStartIBSS; //Start IBSS toggle + + u16 wBeaconPeriod; + u16 wATIM_Window; + + ChanInfo IbssChan; // 2B //channel setting when start IBSS + u8 reserved_2[2]; + + // Join related + u16 wDesiredJoinBSS; // BSS index which desire to join + u8 boJoinReq; //Join request toggle + u8 bDesiredBSSType; //for Join request + + u16 wCapabilityInfo; // Used when invoking the MLME_Associate_request(). + u16 wNonERPcapabilityInfo; + + struct SSID_Element sDesiredSSID; // 34 B + u8 reserved_3[2]; + + u8 abDesiredBSSID[MAC_ADDR_LENGTH + 2]; + + u8 bJoinScanCount; // the time of scan-join action need to do + u8 bDesiredAuthMode; // AUTH_OPEN_SYSTEM or AUTH_SHARED_KEY + u8 reserved_4[2]; + + // Encryption parameters + u8 _dot11PrivacyInvoked; + u8 _dot11PrivacyOptionImplemented; + u8 reserved_5[2]; + + //@ ws added + u8 DesiredEncrypt; + u8 encrypt_status; //ENCRYPT_DISABLE, ENCRYPT_WEP, ENCRYPT_WEP_NOKEY, ENCRYPT_TKIP, ... + u8 key_length; + u8 pairwise_key_ok; + + u8 group_key_ok; + u8 wpa_ok; // indicate the control port of 802.1x is open or close + u8 pairwise_key_type; + u8 group_key_type; + + u32 _dot11WEPDefaultKeyID; + + u8 tx_mic_key[8]; // TODO: 0627 kevin-TKIP + u8 rx_mic_key[8]; // TODO: 0627 kevin-TKIP + u8 group_tx_mic_key[8]; + u8 group_rx_mic_key[8]; + +// #ifdef _WPA_ + u8 AssocReqVarIE[200]; + u8 AssocRespVarIE[200]; + + u16 AssocReqVarLen; + u16 AssocRespVarLen; + u8 boReassoc; //use assoc. or reassoc. + u8 reserved_6[3]; + u16 AssocRespCapability; + u16 AssocRespStatus; +// #endif + + #ifdef _WPA2_ + u8 PmkIdTable[256]; + u32 PmkidTableIndex; + #endif //end def _WPA2_ + +} SME_PARAMETERS, *PSME_PARAMETERS; + +#define psSME (&(Adapter->sSmePara)) + +#define wSMEGetCurrentSTAState(Adapter) ((u16)(Adapter)->sSmePara.wState) + + + +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// SmeModule.h +// Define the related definitions of SME module +// history -- 01/14/03' created +// +//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + +//Define the state of SME module +#define DISABLED 0 +#define INIT_SCAN 1 +#define SCAN_READY 2 +#define START_IBSS 3 +#define JOIN_PENDING 4 +#define JOIN_CFM 5 +#define AUTHENTICATE_PENDING 6 +#define AUTHENTICATED 7 +#define CONNECTED 8 +//#define EAP_STARTING 9 +//#define EAPOL_AUTHEN_PENDING 10 +//#define SECURE_CONNECTED 11 + + +// Static function + diff --git a/drivers/staging/winbond/wb35_ver.h b/drivers/staging/winbond/wb35_ver.h new file mode 100644 index 000000000000..2433bc073004 --- /dev/null +++ b/drivers/staging/winbond/wb35_ver.h @@ -0,0 +1,30 @@ +// +// Only define one of follow +// + +#ifdef WB_WIN + #define VER_FILEVERSION 1,00,47,00 + #define VER_FILEVERSION_STR "1.00.47.00" + #define WB32_DRIVER_MAJOR_VERSION 0x0100 + #define WB32_DRIVER_MINOR_VERSION 0x4700 +#endif + +#ifdef WB_CE + #define VER_FILEVERSION 2,00,47,00 + #define VER_FILEVERSION_STR "2.00.47.00" + #define WB32_DRIVER_MAJOR_VERSION 0x0200 + #define WB32_DRIVER_MINOR_VERSION 0x4700 +#endif + +#ifdef WB_LINUX + #define VER_FILEVERSION 3,00,47,00 + #define VER_FILEVERSION_STR "3.00.47.00" + #define WB32_DRIVER_MAJOR_VERSION 0x0300 + #define WB32_DRIVER_MINOR_VERSION 0x4700 +#endif + + + + + + diff --git a/drivers/staging/winbond/wbhal.c b/drivers/staging/winbond/wbhal.c new file mode 100644 index 000000000000..daf442247558 --- /dev/null +++ b/drivers/staging/winbond/wbhal.c @@ -0,0 +1,878 @@ +#include "os_common.h" + +void hal_get_ethernet_address( phw_data_t pHwData, PUCHAR current_address ) +{ + if( pHwData->SurpriseRemove ) return; + + memcpy( current_address, pHwData->CurrentMacAddress, ETH_LENGTH_OF_ADDRESS ); +} + +void hal_set_ethernet_address( phw_data_t pHwData, PUCHAR current_address ) +{ + u32 ltmp[2]; + + if( pHwData->SurpriseRemove ) return; + + memcpy( pHwData->CurrentMacAddress, current_address, ETH_LENGTH_OF_ADDRESS ); + + ltmp[0]= cpu_to_le32( *(PULONG)pHwData->CurrentMacAddress ); + ltmp[1]= cpu_to_le32( *(PULONG)(pHwData->CurrentMacAddress + 4) ) & 0xffff; + + Wb35Reg_BurstWrite( pHwData, 0x03e8, ltmp, 2, AUTO_INCREMENT ); +} + +void hal_get_permanent_address( phw_data_t pHwData, PUCHAR pethernet_address ) +{ + if( pHwData->SurpriseRemove ) return; + + memcpy( pethernet_address, pHwData->PermanentMacAddress, 6 ); +} + +u8 hal_init_hardware(phw_data_t pHwData, PWB32_ADAPTER Adapter) +{ + u16 SoftwareSet; + pHwData->Adapter = Adapter; + + // Initial the variable + pHwData->MaxReceiveLifeTime = DEFAULT_MSDU_LIFE_TIME; // Setting Rx maximum MSDU life time + pHwData->FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; // Setting default fragment threshold + + if (WbUsb_initial(pHwData)) { + pHwData->InitialResource = 1; + if( Wb35Reg_initial(pHwData)) { + pHwData->InitialResource = 2; + if (Wb35Tx_initial(pHwData)) { + pHwData->InitialResource = 3; + if (Wb35Rx_initial(pHwData)) { + pHwData->InitialResource = 4; + OS_TIMER_INITIAL( &pHwData->LEDTimer, hal_led_control, pHwData ); + OS_TIMER_SET( &pHwData->LEDTimer, 1000 ); // 20060623 + + // + // For restrict to vendor's hardware + // + SoftwareSet = hal_software_set( pHwData ); + + #ifdef Vendor2 + // Try to make sure the EEPROM contain + SoftwareSet >>= 8; + if( SoftwareSet != 0x82 ) + return FALSE; + #endif + + Wb35Rx_start( pHwData ); + Wb35Tx_EP2VM_start( pHwData ); + + return TRUE; + } + } + } + } + + pHwData->SurpriseRemove = 1; + return FALSE; +} + + +void hal_halt(phw_data_t pHwData, void *ppa_data) +{ + switch( pHwData->InitialResource ) + { + case 4: + case 3: OS_TIMER_CANCEL( &pHwData->LEDTimer, &cancel ); + OS_SLEEP(100000); // Wait for Timer DPC exit 940623.2 + Wb35Rx_destroy( pHwData ); // Release the Rx + case 2: Wb35Tx_destroy( pHwData ); // Release the Tx + case 1: Wb35Reg_destroy( pHwData ); // Release the Wb35 Regisster resources + WbUsb_destroy( pHwData );// Release the WbUsb + } +} + +//--------------------------------------------------------------------------------------------------- +void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates, + u8 length, unsigned char basic_rate_set) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 tmp, tmp1; + u8 Rate[12]={ 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; + u8 SupportedRate[16]; + u8 i, j, k, Count1, Count2, Byte; + + if( pHwData->SurpriseRemove ) return; + + if (basic_rate_set) { + pWb35Reg->M28_MacControl &= ~0x000fff00; + tmp1 = 0x00000100; + } else { + pWb35Reg->M28_MacControl &= ~0xfff00000; + tmp1 = 0x00100000; + } + + tmp = 0; + for (i=0; iM28_MacControl |= tmp; + Wb35Reg_Write( pHwData, 0x0828, pWb35Reg->M28_MacControl ); + + // 930206.2.c M78 setting + j = k = Count1 = Count2 = 0; + memset( SupportedRate, 0, 16 ); + tmp = 0x00100000; + tmp1 = 0x00000100; + for (i=0; i<12; i++) { // Get the supported rate + if (tmp & pWb35Reg->M28_MacControl) { + SupportedRate[j] = Rate[i]; + + if (tmp1 & pWb35Reg->M28_MacControl) + SupportedRate[j] |= 0x80; + + if (k) + Count2++; + else + Count1++; + + j++; + } + + if (i==4 && k==0) { + if( !(pWb35Reg->M28_MacControl & 0x000ff000) ) // if basic rate in 11g domain) + { + k = 1; + j = 8; + } + } + + tmp <<= 1; + tmp1 <<= 1; + } + + // Fill data into support rate until buffer full + //---20060926 add by anson's endian + for (i=0; i<4; i++) + *(PULONG)(SupportedRate+(i<<2)) = cpu_to_le32( *(PULONG)(SupportedRate+(i<<2)) ); + //--- end 20060926 add by anson's endian + Wb35Reg_BurstWrite( pHwData,0x087c, (PULONG)SupportedRate, 4, AUTO_INCREMENT ); + pWb35Reg->M7C_MacControl = ((PULONG)SupportedRate)[0]; + pWb35Reg->M80_MacControl = ((PULONG)SupportedRate)[1]; + pWb35Reg->M84_MacControl = ((PULONG)SupportedRate)[2]; + pWb35Reg->M88_MacControl = ((PULONG)SupportedRate)[3]; + + // Fill length + tmp = Count1<<28 | Count2<<24; + pWb35Reg->M78_ERPInformation &= ~0xff000000; + pWb35Reg->M78_ERPInformation |= tmp; + Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation ); +} + + +//--------------------------------------------------------------------------------------------------- +void hal_set_beacon_period( phw_data_t pHwData, u16 beacon_period ) +{ + u32 tmp; + + if( pHwData->SurpriseRemove ) return; + + pHwData->BeaconPeriod = beacon_period; + tmp = pHwData->BeaconPeriod << 16; + tmp |= pHwData->ProbeDelay; + Wb35Reg_Write( pHwData, 0x0848, tmp ); +} + + +void hal_set_current_channel_ex( phw_data_t pHwData, ChanInfo channel ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) + return; + + printk("Going to channel: %d/%d\n", channel.band, channel.ChanNo); + + RFSynthesizer_SwitchingChannel( pHwData, channel );// Switch channel + pHwData->Channel = channel.ChanNo; + pHwData->band = channel.band; + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("Set channel is %d, band =%d\n", pHwData->Channel, pHwData->band)); + #endif + pWb35Reg->M28_MacControl &= ~0xff; // Clean channel information field + pWb35Reg->M28_MacControl |= channel.ChanNo; + Wb35Reg_WriteWithCallbackValue( pHwData, 0x0828, pWb35Reg->M28_MacControl, + (PCHAR)&channel, sizeof(ChanInfo)); +} +//--------------------------------------------------------------------------------------------------- +void hal_set_current_channel( phw_data_t pHwData, ChanInfo channel ) +{ + hal_set_current_channel_ex( pHwData, channel ); +} +//--------------------------------------------------------------------------------------------------- +void hal_get_current_channel( phw_data_t pHwData, ChanInfo *channel ) +{ + channel->ChanNo = pHwData->Channel; + channel->band = pHwData->band; +} +//--------------------------------------------------------------------------------------------------- +void hal_set_accept_broadcast( phw_data_t pHwData, u8 enable ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return; + + pWb35Reg->M00_MacControl &= ~0x02000000;//The HW value + + if (enable) + pWb35Reg->M00_MacControl |= 0x02000000;//The HW value + + Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl ); +} + +//for wep key error detection, we need to accept broadcast packets to be received temporary. +void hal_set_accept_promiscuous( phw_data_t pHwData, u8 enable) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if (pHwData->SurpriseRemove) return; + if (enable) { + pWb35Reg->M00_MacControl |= 0x00400000; + Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl ); + } else { + pWb35Reg->M00_MacControl&=~0x00400000; + Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl ); + } +} + +void hal_set_accept_multicast( phw_data_t pHwData, u8 enable ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return; + + pWb35Reg->M00_MacControl &= ~0x01000000;//The HW value + if (enable) pWb35Reg->M00_MacControl |= 0x01000000;//The HW value + Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl ); +} + +void hal_set_accept_beacon( phw_data_t pHwData, u8 enable ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return; + + // 20040108 debug + if( !enable )//Due to SME and MLME are not suitable for 35 + return; + + pWb35Reg->M00_MacControl &= ~0x04000000;//The HW value + if( enable ) + pWb35Reg->M00_MacControl |= 0x04000000;//The HW value + + Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl ); +} +//--------------------------------------------------------------------------------------------------- +void hal_set_multicast_address( phw_data_t pHwData, PUCHAR address, u8 number ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u8 Byte, Bit; + + if( pHwData->SurpriseRemove ) return; + + //Erases and refills the card multicast registers. Used when an address + // has been deleted and all bits must be recomputed. + pWb35Reg->M04_MulticastAddress1 = 0; + pWb35Reg->M08_MulticastAddress2 = 0; + + while( number ) + { + number--; + CardGetMulticastBit( (address+(number*ETH_LENGTH_OF_ADDRESS)), &Byte, &Bit); + pWb35Reg->Multicast[Byte] |= Bit; + } + + // Updating register + Wb35Reg_BurstWrite( pHwData, 0x0804, (PULONG)pWb35Reg->Multicast, 2, AUTO_INCREMENT ); +} +//--------------------------------------------------------------------------------------------------- +u8 hal_get_accept_beacon( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return 0; + + if( pWb35Reg->M00_MacControl & 0x04000000 ) + return 1; + else + return 0; +} + +unsigned char hal_reset_hardware( phw_data_t pHwData, void* ppa ) +{ + // Not implement yet + return TRUE; +} + +void hal_stop( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + pHwData->Wb35Rx.rx_halt = 1; + Wb35Rx_stop( pHwData ); + + pHwData->Wb35Tx.tx_halt = 1; + Wb35Tx_stop( pHwData ); + + pWb35Reg->D00_DmaControl &= ~0xc0000000;//Tx Off, Rx Off + Wb35Reg_Write( pHwData, 0x0400, pWb35Reg->D00_DmaControl ); + + WbUsb_Stop( pHwData ); // 20051230 Add.4 +} + +unsigned char hal_idle(phw_data_t pHwData) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + PWBUSB pWbUsb = &pHwData->WbUsb; + + if( !pHwData->SurpriseRemove && ( pWbUsb->DetectCount || pWb35Reg->EP0vm_state!=VM_STOP ) ) + return FALSE; + + return TRUE; +} +//--------------------------------------------------------------------------------------------------- +void hal_set_cwmin( phw_data_t pHwData, u8 cwin_min ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return; + + pHwData->cwmin = cwin_min; + pWb35Reg->M2C_MacControl &= ~0x7c00; //bit 10 ~ 14 + pWb35Reg->M2C_MacControl |= (pHwData->cwmin<<10); + Wb35Reg_Write( pHwData, 0x082c, pWb35Reg->M2C_MacControl ); +} + +s32 hal_get_rssi( phw_data_t pHwData, u32 *HalRssiArry, u8 Count ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + R01_DESCRIPTOR r01; + s32 ltmp = 0, tmp; + u8 i; + + if( pHwData->SurpriseRemove ) return -200; + if( Count > MAX_ACC_RSSI_COUNT ) // Because the TS may use this funtion + Count = MAX_ACC_RSSI_COUNT; + + // RSSI = C1 + C2 * (agc_state[7:0] + offset_map(lna_state[1:0])) + // C1 = -195, C2 = 0.66 = 85/128 + for (i=0; iLNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195; + ltmp += tmp; + } + ltmp /= Count; + if( pHwData->phy_type == RF_AIROHA_2230 ) ltmp -= 5; // 10; + if( pHwData->phy_type == RF_AIROHA_2230S ) ltmp -= 5; // 10; 20060420 Add this + + //if( ltmp < -200 ) ltmp = -200; + if( ltmp < -110 ) ltmp = -110;// 1.0.24.0 For NJRC + + return ltmp; +} +//---------------------------------------------------------------------------------------------------- +s32 hal_get_rssi_bss( phw_data_t pHwData, u16 idx, u8 Count ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + R01_DESCRIPTOR r01; + s32 ltmp = 0, tmp; + u8 i, j; + PADAPTER Adapter = pHwData->Adapter; +// u32 *HalRssiArry = psBSS(idx)->HalRssi; + + if( pHwData->SurpriseRemove ) return -200; + if( Count > MAX_ACC_RSSI_COUNT ) // Because the TS may use this funtion + Count = MAX_ACC_RSSI_COUNT; + + // RSSI = C1 + C2 * (agc_state[7:0] + offset_map(lna_state[1:0])) + // C1 = -195, C2 = 0.66 = 85/128 +#if 0 + for (i=0; iLNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195; + ltmp += tmp; + } +#else + if (psBSS(idx)->HalRssiIndex == 0) + psBSS(idx)->HalRssiIndex = MAX_ACC_RSSI_COUNT; + j = (u8)psBSS(idx)->HalRssiIndex-1; + + for (i=0; iHalRssi[j]; + tmp = ((( r01.R01_AGC_state + pWb35Reg->LNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195; + ltmp += tmp; + if (j == 0) + { + j = MAX_ACC_RSSI_COUNT; + } + j--; + } +#endif + ltmp /= Count; + if( pHwData->phy_type == RF_AIROHA_2230 ) ltmp -= 5; // 10; + if( pHwData->phy_type == RF_AIROHA_2230S ) ltmp -= 5; // 10; 20060420 Add this + + //if( ltmp < -200 ) ltmp = -200; + if( ltmp < -110 ) ltmp = -110;// 1.0.24.0 For NJRC + + return ltmp; +} + +//--------------------------------------------------------------------------- +void hal_led_control_1a( phw_data_t pHwData ) +{ + hal_led_control( NULL, pHwData, NULL, NULL ); +} + +void hal_led_control( void* S1, phw_data_t pHwData, void* S3, void* S4 ) +{ + PADAPTER Adapter = pHwData->Adapter; + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + u32 LEDSet = (pHwData->SoftwareSet & HAL_LED_SET_MASK) >> HAL_LED_SET_SHIFT; + u8 LEDgray[20] = { 0,3,4,6,8,10,11,12,13,14,15,14,13,12,11,10,8,6,4,2 }; + u8 LEDgray2[30] = { 7,8,9,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,0,0,0,0,15,14,13,12,11,10,9,8 }; + u32 TimeInterval = 500, ltmp, ltmp2; + ltmp=0; + + if( pHwData->SurpriseRemove ) return; + + if( pHwData->LED_control ) { + ltmp2 = pHwData->LED_control & 0xff; + if( ltmp2 == 5 ) // 5 is WPS mode + { + TimeInterval = 100; + ltmp2 = (pHwData->LED_control>>8) & 0xff; + switch( ltmp2 ) + { + case 1: // [0.2 On][0.1 Off]... + pHwData->LED_Blinking %= 3; + ltmp = 0x1010; // Led 1 & 0 Green and Red + if( pHwData->LED_Blinking == 2 ) // Turn off + ltmp = 0; + break; + case 2: // [0.1 On][0.1 Off]... + pHwData->LED_Blinking %= 2; + ltmp = 0x0010; // Led 0 red color + if( pHwData->LED_Blinking ) // Turn off + ltmp = 0; + break; + case 3: // [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]... + pHwData->LED_Blinking %= 15; + ltmp = 0x0010; // Led 0 red color + if( (pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking%2) ) // Turn off 0.6 sec + ltmp = 0; + break; + case 4: // [300 On][ off ] + ltmp = 0x1000; // Led 1 Green color + if( pHwData->LED_Blinking >= 3000 ) + ltmp = 0; // led maybe on after 300sec * 32bit counter overlap. + break; + } + pHwData->LED_Blinking++; + + pWb35Reg->U1BC_LEDConfigure = ltmp; + if( LEDSet != 7 ) // Only 111 mode has 2 LEDs on PCB. + { + pWb35Reg->U1BC_LEDConfigure |= (ltmp &0xff)<<8; // Copy LED result to each LED control register + pWb35Reg->U1BC_LEDConfigure |= (ltmp &0xff00)>>8; + } + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + } + } + else if( pHwData->CurrentRadioSw || pHwData->CurrentRadioHw ) // If radio off + { + if( pWb35Reg->U1BC_LEDConfigure & 0x1010 ) + { + pWb35Reg->U1BC_LEDConfigure &= ~0x1010; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + } + } + else + { + switch( LEDSet ) + { + case 4: // [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing + if( !pHwData->LED_LinkOn ) // Blink only if not Link On + { + // Blinking if scanning is on progress + if( pHwData->LED_Scanning ) + { + if( pHwData->LED_Blinking == 0 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 On + pHwData->LED_Blinking = 1; + TimeInterval = 300; + } + else + { + pWb35Reg->U1BC_LEDConfigure &= ~0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + pHwData->LED_Blinking = 0; + TimeInterval = 300; + } + } + else + { + //Turn Off LED_0 + if( pWb35Reg->U1BC_LEDConfigure & 0x10 ) + { + pWb35Reg->U1BC_LEDConfigure &= ~0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + } + } + } + else + { + // Turn On LED_0 + if( (pWb35Reg->U1BC_LEDConfigure & 0x10) == 0 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + } + } + break; + + case 6: // [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing + if( !pHwData->LED_LinkOn ) // Blink only if not Link On + { + // Blinking if scanning is on progress + if( pHwData->LED_Scanning ) + { + if( pHwData->LED_Blinking == 0 ) + { + pWb35Reg->U1BC_LEDConfigure &= ~0xf; + pWb35Reg->U1BC_LEDConfigure |= 0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 On + pHwData->LED_Blinking = 1; + TimeInterval = 300; + } + else + { + pWb35Reg->U1BC_LEDConfigure &= ~0x1f; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + pHwData->LED_Blinking = 0; + TimeInterval = 300; + } + } + else + { + // 20060901 Gray blinking if in disconnect state and not scanning + ltmp = pWb35Reg->U1BC_LEDConfigure; + pWb35Reg->U1BC_LEDConfigure &= ~0x1f; + if( LEDgray2[(pHwData->LED_Blinking%30)] ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x10; + pWb35Reg->U1BC_LEDConfigure |= LEDgray2[ (pHwData->LED_Blinking%30) ]; + } + pHwData->LED_Blinking++; + if( pWb35Reg->U1BC_LEDConfigure != ltmp ) + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + TimeInterval = 100; + } + } + else + { + // Turn On LED_0 + if( (pWb35Reg->U1BC_LEDConfigure & 0x10) == 0 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off + } + } + break; + + case 5: // [101] Only 1 Led be placed on PCB and use LED_1 for showing + if( !pHwData->LED_LinkOn ) // Blink only if not Link On + { + // Blinking if scanning is on progress + if( pHwData->LED_Scanning ) + { + if( pHwData->LED_Blinking == 0 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x1000; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On + pHwData->LED_Blinking = 1; + TimeInterval = 300; + } + else + { + pWb35Reg->U1BC_LEDConfigure &= ~0x1000; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 Off + pHwData->LED_Blinking = 0; + TimeInterval = 300; + } + } + else + { + //Turn Off LED_1 + if( pWb35Reg->U1BC_LEDConfigure & 0x1000 ) + { + pWb35Reg->U1BC_LEDConfigure &= ~0x1000; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 Off + } + } + } + else + { + // Is transmitting/receiving ?? + if( (OS_CURRENT_RX_BYTE( Adapter ) != pHwData->RxByteCountLast ) || + (OS_CURRENT_TX_BYTE( Adapter ) != pHwData->TxByteCountLast ) ) + { + if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x3000 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x3000; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On + } + + // Update variable + pHwData->RxByteCountLast = OS_CURRENT_RX_BYTE( Adapter ); + pHwData->TxByteCountLast = OS_CURRENT_TX_BYTE( Adapter ); + TimeInterval = 200; + } + else + { + // Turn On LED_1 and blinking if transmitting/receiving + if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x1000 ) + { + pWb35Reg->U1BC_LEDConfigure &= ~0x3000; + pWb35Reg->U1BC_LEDConfigure |= 0x1000; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On + } + } + } + break; + + default: // Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active + if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x3000 ) + { + pWb35Reg->U1BC_LEDConfigure |= 0x3000;// LED_1 is always on and event enable + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + } + + if( pHwData->LED_Blinking ) + { + // Gray blinking + pWb35Reg->U1BC_LEDConfigure &= ~0x0f; + pWb35Reg->U1BC_LEDConfigure |= 0x10; + pWb35Reg->U1BC_LEDConfigure |= LEDgray[ (pHwData->LED_Blinking-1)%20 ]; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + + pHwData->LED_Blinking += 2; + if( pHwData->LED_Blinking < 40 ) + TimeInterval = 100; + else + { + pHwData->LED_Blinking = 0; // Stop blinking + pWb35Reg->U1BC_LEDConfigure &= ~0x0f; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + } + break; + } + + if( pHwData->LED_LinkOn ) + { + if( !(pWb35Reg->U1BC_LEDConfigure & 0x10) ) // Check the LED_0 + { + //Try to turn ON LED_0 after gray blinking + pWb35Reg->U1BC_LEDConfigure |= 0x10; + pHwData->LED_Blinking = 1; //Start blinking + TimeInterval = 50; + } + } + else + { + if( pWb35Reg->U1BC_LEDConfigure & 0x10 ) // Check the LED_0 + { + pWb35Reg->U1BC_LEDConfigure &= ~0x10; + Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); + } + } + break; + } + + //20060828.1 Active send null packet to avoid AP disconnect + if( pHwData->LED_LinkOn ) + { + pHwData->NullPacketCount += TimeInterval; + if( pHwData->NullPacketCount >= DEFAULT_NULL_PACKET_COUNT ) + { + pHwData->NullPacketCount = 0; + } + } + } + + pHwData->time_count += TimeInterval; + Wb35Tx_CurrentTime( pHwData, pHwData->time_count ); // 20060928 add + OS_TIMER_SET( &pHwData->LEDTimer, TimeInterval ); // 20060623.1 +} + + +void hal_set_phy_type( phw_data_t pHwData, u8 PhyType ) +{ + pHwData->phy_type = PhyType; +} + +void hal_get_phy_type( phw_data_t pHwData, u8 *PhyType ) +{ + *PhyType = pHwData->phy_type; +} + +void hal_reset_counter( phw_data_t pHwData ) +{ + pHwData->dto_tx_retry_count = 0; + pHwData->dto_tx_frag_count = 0; + memset( pHwData->tx_retry_count, 0, 8); +} + +void hal_set_radio_mode( phw_data_t pHwData, unsigned char radio_off) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return; + + if (radio_off) //disable Baseband receive off + { + pHwData->CurrentRadioSw = 1; // off + pWb35Reg->M24_MacControl &= 0xffffffbf; + } + else + { + pHwData->CurrentRadioSw = 0; // on + pWb35Reg->M24_MacControl |= 0x00000040; + } + Wb35Reg_Write( pHwData, 0x0824, pWb35Reg->M24_MacControl ); +} + +u8 hal_get_antenna_number( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if ((pWb35Reg->BB2C & BIT(11)) == 0) + return 0; + else + return 1; +} + +void hal_set_antenna_number( phw_data_t pHwData, u8 number ) +{ + + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if (number == 1) { + pWb35Reg->BB2C |= BIT(11); + } else { + pWb35Reg->BB2C &= ~BIT(11); + } + Wb35Reg_Write( pHwData, 0x102c, pWb35Reg->BB2C ); +#ifdef _PE_STATE_DUMP_ + WBDEBUG(("Current antenna number : %d\n", number)); +#endif +} + +//---------------------------------------------------------------------------------------------------- +//0 : radio on; 1: radio off +u8 hal_get_hw_radio_off( phw_data_t pHwData ) +{ + PWB35REG pWb35Reg = &pHwData->Wb35Reg; + + if( pHwData->SurpriseRemove ) return 1; + + //read the bit16 of register U1B0 + Wb35Reg_Read( pHwData, 0x3b0, &pWb35Reg->U1B0 ); + if ((pWb35Reg->U1B0 & 0x00010000)) { + pHwData->CurrentRadioHw = 1; + return 1; + } else { + pHwData->CurrentRadioHw = 0; + return 0; + } +} + +unsigned char hal_get_dxx_reg( phw_data_t pHwData, u16 number, PULONG pValue ) +{ + if( number < 0x1000 ) + number += 0x1000; + return Wb35Reg_ReadSync( pHwData, number, pValue ); +} + +unsigned char hal_set_dxx_reg( phw_data_t pHwData, u16 number, u32 value ) +{ + unsigned char ret; + + if( number < 0x1000 ) + number += 0x1000; + ret = Wb35Reg_WriteSync( pHwData, number, value ); + return ret; +} + +void hal_scan_status_indicate(phw_data_t pHwData, unsigned char IsOnProgress) +{ + if( pHwData->SurpriseRemove ) return; + pHwData->LED_Scanning = IsOnProgress ? 1 : 0; +} + +void hal_system_power_change(phw_data_t pHwData, u32 PowerState) +{ + if( PowerState != 0 ) + { + pHwData->SurpriseRemove = 1; + if( pHwData->WbUsb.IsUsb20 ) + hal_stop( pHwData ); + } + else + { + if( !pHwData->WbUsb.IsUsb20 ) + hal_stop( pHwData ); + } +} + +void hal_surprise_remove( phw_data_t pHwData ) +{ + PADAPTER Adapter = pHwData->Adapter; + if (OS_ATOMIC_INC( Adapter, &pHwData->SurpriseRemoveCount ) == 1) { + #ifdef _PE_STATE_DUMP_ + WBDEBUG(("Calling hal_surprise_remove\n")); + #endif + OS_STOP( Adapter ); + } +} + +void hal_rate_change( phw_data_t pHwData ) // Notify the HAL rate is changing 20060613.1 +{ + PADAPTER Adapter = pHwData->Adapter; + u8 rate = CURRENT_TX_RATE; + + BBProcessor_RateChanging( pHwData, rate ); +} + +void hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex) +{ + RFSynthesizer_SetPowerIndex( pHwData, PowerIndex ); +} + +unsigned char hal_set_LED(phw_data_t pHwData, u32 Mode) // 20061108 for WPS led control +{ + pHwData->LED_Blinking = 0; + pHwData->LED_control = Mode; + OS_TIMER_SET( &pHwData->LEDTimer, 10 ); // 20060623 + return TRUE; +} + diff --git a/drivers/staging/winbond/wbhal_f.h b/drivers/staging/winbond/wbhal_f.h new file mode 100644 index 000000000000..fe25f97af724 --- /dev/null +++ b/drivers/staging/winbond/wbhal_f.h @@ -0,0 +1,122 @@ +//===================================================================== +// Device related include +//===================================================================== +#ifdef WB_LINUX + #include "linux/wbusb_f.h" + #include "linux/wb35reg_f.h" + #include "linux/wb35tx_f.h" + #include "linux/wb35rx_f.h" +#else + #include "wbusb_f.h" + #include "wb35reg_f.h" + #include "wb35tx_f.h" + #include "wb35rx_f.h" +#endif + +//==================================================================================== +// Function declaration +//==================================================================================== +void hal_remove_mapping_key( phw_data_t pHwData, PUCHAR pmac_addr ); +void hal_remove_default_key( phw_data_t pHwData, u32 index ); +unsigned char hal_set_mapping_key( phw_data_t Adapter, PUCHAR pmac_addr, u8 null_key, u8 wep_on, PUCHAR ptx_tsc, PUCHAR prx_tsc, u8 key_type, u8 key_len, PUCHAR pkey_data ); +unsigned char hal_set_default_key( phw_data_t Adapter, u8 index, u8 null_key, u8 wep_on, PUCHAR ptx_tsc, PUCHAR prx_tsc, u8 key_type, u8 key_len, PUCHAR pkey_data ); +void hal_clear_all_default_key( phw_data_t pHwData ); +void hal_clear_all_group_key( phw_data_t pHwData ); +void hal_clear_all_mapping_key( phw_data_t pHwData ); +void hal_clear_all_key( phw_data_t pHwData ); +void hal_get_ethernet_address( phw_data_t pHwData, PUCHAR current_address ); +void hal_set_ethernet_address( phw_data_t pHwData, PUCHAR current_address ); +void hal_get_permanent_address( phw_data_t pHwData, PUCHAR pethernet_address ); +unsigned char hal_init_hardware( phw_data_t pHwData, PADAPTER Adapter ); +void hal_set_power_save_mode( phw_data_t pHwData, unsigned char power_save, unsigned char wakeup, unsigned char dtim ); +void hal_get_power_save_mode( phw_data_t pHwData, PBOOLEAN pin_pwr_save ); +void hal_set_slot_time( phw_data_t pHwData, u8 type ); +#define hal_set_atim_window( _A, _ATM ) +void hal_set_rates( phw_data_t pHwData, PUCHAR pbss_rates, u8 length, unsigned char basic_rate_set ); +#define hal_set_basic_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, TRUE ) +#define hal_set_op_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, FALSE ) +void hal_start_bss( phw_data_t pHwData, u8 mac_op_mode ); +void hal_join_request( phw_data_t pHwData, u8 bss_type ); // 0:BSS STA 1:IBSS STA// +void hal_stop_sync_bss( phw_data_t pHwData ); +void hal_resume_sync_bss( phw_data_t pHwData); +void hal_set_aid( phw_data_t pHwData, u16 aid ); +void hal_set_bssid( phw_data_t pHwData, PUCHAR pbssid ); +void hal_get_bssid( phw_data_t pHwData, PUCHAR pbssid ); +void hal_set_beacon_period( phw_data_t pHwData, u16 beacon_period ); +void hal_set_listen_interval( phw_data_t pHwData, u16 listen_interval ); +void hal_set_cap_info( phw_data_t pHwData, u16 capability_info ); +void hal_set_ssid( phw_data_t pHwData, PUCHAR pssid, u8 ssid_len ); +void hal_set_current_channel( phw_data_t pHwData, ChanInfo channel ); +void hal_set_current_channel_ex( phw_data_t pHwData, ChanInfo channel ); +void hal_get_current_channel( phw_data_t pHwData, ChanInfo *channel ); +void hal_set_accept_broadcast( phw_data_t pHwData, u8 enable ); +void hal_set_accept_multicast( phw_data_t pHwData, u8 enable ); +void hal_set_accept_beacon( phw_data_t pHwData, u8 enable ); +void hal_set_multicast_address( phw_data_t pHwData, PUCHAR address, u8 number ); +u8 hal_get_accept_beacon( phw_data_t pHwData ); +void hal_stop( phw_data_t pHwData ); +void hal_halt( phw_data_t pHwData, void *ppa_data ); +void hal_start_tx0( phw_data_t pHwData ); +void hal_set_phy_type( phw_data_t pHwData, u8 PhyType ); +void hal_get_phy_type( phw_data_t pHwData, u8 *PhyType ); +unsigned char hal_reset_hardware( phw_data_t pHwData, void* ppa ); +void hal_set_cwmin( phw_data_t pHwData, u8 cwin_min ); +#define hal_get_cwmin( _A ) ( (_A)->cwmin ) +void hal_set_cwmax( phw_data_t pHwData, u16 cwin_max ); +#define hal_get_cwmax( _A ) ( (_A)->cwmax ) +void hal_set_rsn_wpa( phw_data_t pHwData, u32 * RSN_IE_Bitmap , u32 * RSN_OUI_type , unsigned char bDesiredAuthMode); +//s32 hal_get_rssi( phw_data_t pHwData, u32 HalRssi ); +s32 hal_get_rssi( phw_data_t pHwData, u32 *HalRssiArry, u8 Count ); +s32 hal_get_rssi_bss( phw_data_t pHwData, u16 idx, u8 Count ); +void hal_set_connect_info( phw_data_t pHwData, unsigned char boConnect ); +u8 hal_get_est_sq3( phw_data_t pHwData, u8 Count ); +void hal_led_control_1a( phw_data_t pHwData ); +void hal_led_control( void* S1, phw_data_t pHwData, void* S3, void* S4 ); +void hal_set_rf_power( phw_data_t pHwData, u8 PowerIndex ); // 20060621 Modify +void hal_reset_counter( phw_data_t pHwData ); +void hal_set_radio_mode( phw_data_t pHwData, unsigned char boValue); +void hal_descriptor_indicate( phw_data_t pHwData, PDESCRIPTOR pDes ); +u8 hal_get_antenna_number( phw_data_t pHwData ); +void hal_set_antenna_number( phw_data_t pHwData, u8 number ); +u32 hal_get_bss_pk_cnt( phw_data_t pHwData ); +#define hal_get_region_from_EEPROM( _A ) ( (_A)->Wb35Reg.EEPROMRegion ) +void hal_set_accept_promiscuous ( phw_data_t pHwData, u8 enable); +#define hal_get_tx_buffer( _A, _B ) Wb35Tx_get_tx_buffer( _A, _B ) +u8 hal_get_hw_radio_off ( phw_data_t pHwData ); +#define hal_software_set( _A ) (_A->SoftwareSet) +#define hal_driver_init_OK( _A ) (_A->IsInitOK) +#define hal_rssi_boundary_high( _A ) (_A->RSSI_high) +#define hal_rssi_boundary_low( _A ) (_A->RSSI_low) +#define hal_scan_interval( _A ) (_A->Scan_Interval) +void hal_scan_status_indicate( phw_data_t pHwData, u8 status); // 0: complete, 1: in progress +void hal_system_power_change( phw_data_t pHwData, u32 PowerState ); // 20051230 -=D0 1=D1 .. +void hal_surprise_remove( phw_data_t pHwData ); + +#define PHY_DEBUG( msg, args... ) + + + +void hal_rate_change( phw_data_t pHwData ); // Notify the HAL rate is changing 20060613.1 +unsigned char hal_get_dxx_reg( phw_data_t pHwData, u16 number, PULONG pValue ); +unsigned char hal_set_dxx_reg( phw_data_t pHwData, u16 number, u32 value ); +#define hal_get_time_count( _P ) (_P->time_count/10) // return 100ms count +#define hal_detect_error( _P ) (_P->WbUsb.DetectCount) +unsigned char hal_set_LED( phw_data_t pHwData, u32 Mode ); // 20061108 for WPS led control + +//------------------------------------------------------------------------- +// The follow function is unused for IS89C35 +//------------------------------------------------------------------------- +#define hal_disable_interrupt(_A) +#define hal_enable_interrupt(_A) +#define hal_get_interrupt_type( _A) +#define hal_get_clear_interrupt(_A) +#define hal_ibss_disconnect(_A) hal_stop_sync_bss(_A) +#define hal_join_request_stop(_A) +unsigned char hal_idle( phw_data_t pHwData ); +#define pa_stall_execution( _A ) //OS_SLEEP( 1 ) +#define hw_get_cxx_reg( _A, _B, _C ) +#define hw_set_cxx_reg( _A, _B, _C ) +#define hw_get_dxx_reg( _A, _B, _C ) hal_get_dxx_reg( _A, _B, (PULONG)_C ) +#define hw_set_dxx_reg( _A, _B, _C ) hal_set_dxx_reg( _A, _B, (u32)_C ) + + diff --git a/drivers/staging/winbond/wbhal_s.h b/drivers/staging/winbond/wbhal_s.h new file mode 100644 index 000000000000..5b862ff357bd --- /dev/null +++ b/drivers/staging/winbond/wbhal_s.h @@ -0,0 +1,615 @@ +//[20040722 WK] +#define HAL_LED_SET_MASK 0x001c //20060901 Extend +#define HAL_LED_SET_SHIFT 2 + +//supported RF type +#define RF_MAXIM_2825 0 +#define RF_MAXIM_2827 1 +#define RF_MAXIM_2828 2 +#define RF_MAXIM_2829 3 +#define RF_MAXIM_V1 15 +#define RF_AIROHA_2230 16 +#define RF_AIROHA_7230 17 +#define RF_AIROHA_2230S 18 // 20060420 Add this +// #define RF_RFMD_2959 32 // 20060626 Remove all about RFMD +#define RF_WB_242 33 +#define RF_WB_242_1 34 // 20060619.5 Add +#define RF_DECIDE_BY_INF 255 + +//---------------------------------------------------------------- +// The follow define connect to upper layer +// User must modify for connection between HAL and upper layer +//---------------------------------------------------------------- + + + + +///////////////////////////////////////////////////////////////////////////////////////////////////// +//================================================================================================ +// Common define +//================================================================================================ +#define HAL_USB_MODE_BURST( _H ) (_H->SoftwareSet & 0x20 ) // Bit 5 20060901 Modify + +// Scan interval +#define SCAN_MAX_CHNL_TIME (50) + +// For TxL2 Frame typr recognise +#define FRAME_TYPE_802_3_DATA 0 +#define FRAME_TYPE_802_11_MANAGEMENT 1 +#define FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE 2 +#define FRAME_TYPE_802_11_CONTROL 3 +#define FRAME_TYPE_802_11_DATA 4 +#define FRAME_TYPE_PROMISCUOUS 5 + +// The follow definition is used for convert the frame-------------------- +#define DOT_11_SEQUENCE_OFFSET 22 //Sequence control offset +#define DOT_3_TYPE_OFFSET 12 +#define DOT_11_MAC_HEADER_SIZE 24 +#define DOT_11_SNAP_SIZE 6 +#define DOT_11_TYPE_OFFSET 30 //The start offset of 802.11 Frame. Type encapsulatuin. +#define DEFAULT_SIFSTIME 10 +#define DEFAULT_FRAGMENT_THRESHOLD 2346 // No fragment +#define DEFAULT_MSDU_LIFE_TIME 0xffff + +#define LONG_PREAMBLE_PLUS_PLCPHEADER_TIME (144+48) +#define SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME (72+24) +#define PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION (16+4+6) +#define Tsym 4 + +// Frame Type of Bits (2, 3)--------------------------------------------- +#define MAC_TYPE_MANAGEMENT 0x00 +#define MAC_TYPE_CONTROL 0x04 +#define MAC_TYPE_DATA 0x08 +#define MASK_FRAGMENT_NUMBER 0x000F +#define SEQUENCE_NUMBER_SHIFT 4 + +#define HAL_WOL_TYPE_WAKEUP_FRAME 0x01 +#define HAL_WOL_TYPE_MAGIC_PACKET 0x02 + +// 20040106 ADDED +#define HAL_KEYTYPE_WEP40 0 +#define HAL_KEYTYPE_WEP104 1 +#define HAL_KEYTYPE_TKIP 2 // 128 bit key +#define HAL_KEYTYPE_AES_CCMP 3 // 128 bit key + +// For VM state +enum { + VM_STOP = 0, + VM_RUNNING, + VM_COMPLETED +}; + +// Be used for 802.11 mac header +typedef struct _MAC_FRAME_CONTROL { + u8 mac_frame_info; // this is a combination of the protovl version, type and subtype + u8 to_ds:1; + u8 from_ds:1; + u8 more_frag:1; + u8 retry:1; + u8 pwr_mgt:1; + u8 more_data:1; + u8 WEP:1; + u8 order:1; +} MAC_FRAME_CONTROL, *PMAC_FRAME_CONTROL; + +//----------------------------------------------------- +// Normal Key table format +//----------------------------------------------------- +// The order of KEY index is MAPPING_KEY_START_INDEX > GROUP_KEY_START_INDEX +#define MAX_KEY_TABLE 24 // 24 entry for storing key data +#define GROUP_KEY_START_INDEX 4 +#define MAPPING_KEY_START_INDEX 8 +typedef struct _KEY_TABLE +{ + u32 DW0_Valid:1; + u32 DW0_NullKey:1; + u32 DW0_Security_Mode:2;//0:WEP 40 bit 1:WEP 104 bit 2:TKIP 128 bit 3:CCMP 128 bit + u32 DW0_WEPON:1; + u32 DW0_RESERVED:11; + u32 DW0_Address1:16; + + u32 DW1_Address2; + + u32 DW2_RxSequenceCount1; + + u32 DW3_RxSequenceCount2:16; + u32 DW3_RESERVED:16; + + u32 DW4_TxSequenceCount1; + + u32 DW5_TxSequenceCount2:16; + u32 DW5_RESERVED:16; + +} KEY_TABLE, *PKEY_TABLE; + +//-------------------------------------------------------- +// Descriptor +//-------------------------------------------------------- +#define MAX_DESCRIPTOR_BUFFER_INDEX 8 // Have to multiple of 2 +//#define FLAG_ERROR_TX_MASK cpu_to_le32(0x000000bf) //20061009 marked by anson's endian +#define FLAG_ERROR_TX_MASK 0x000000bf //20061009 anson's endian +//#define FLAG_ERROR_RX_MASK 0x00000c3f +//#define FLAG_ERROR_RX_MASK cpu_to_le32(0x0000083f) //20061009 marked by anson's endian + //Don't care replay error, + //it is handled by S/W +#define FLAG_ERROR_RX_MASK 0x0000083f //20060926 anson's endian + +#define FLAG_BAND_RX_MASK 0x10000000 //Bit 28 + +typedef struct _R00_DESCRIPTOR +{ + union + { + u32 value; + #ifdef _BIG_ENDIAN_ //20060926 anson's endian + struct + { + u32 R00_packet_or_buffer_status:1; + u32 R00_packet_in_fifo:1; + u32 R00_RESERVED:2; + u32 R00_receive_byte_count:12; + u32 R00_receive_time_index:16; + }; + #else + struct + { + u32 R00_receive_time_index:16; + u32 R00_receive_byte_count:12; + u32 R00_RESERVED:2; + u32 R00_packet_in_fifo:1; + u32 R00_packet_or_buffer_status:1; + }; + #endif + }; +} R00_DESCRIPTOR, *PR00_DESCRIPTOR; + +typedef struct _T00_DESCRIPTOR +{ + union + { + u32 value; + #ifdef _BIG_ENDIAN_ //20061009 anson's endian + struct + { + u32 T00_first_mpdu:1; // for hardware use + u32 T00_last_mpdu:1; // for hardware use + u32 T00_IsLastMpdu:1;// 0: not 1:Yes for software used + u32 T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS + u32 T00_RESERVED_ID:2;//3 bit ID reserved + u32 T00_tx_packet_id:4;//930519.4.e 930810.3.c + u32 T00_RESERVED:4; + u32 T00_header_length:6; + u32 T00_frame_length:12; + }; + #else + struct + { + u32 T00_frame_length:12; + u32 T00_header_length:6; + u32 T00_RESERVED:4; + u32 T00_tx_packet_id:4;//930519.4.e 930810.3.c + u32 T00_RESERVED_ID:2;//3 bit ID reserved + u32 T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS + u32 T00_IsLastMpdu:1;// 0: not 1:Yes for software used + u32 T00_last_mpdu:1; // for hardware use + u32 T00_first_mpdu:1; // for hardware use + }; + #endif + }; +} T00_DESCRIPTOR, *PT00_DESCRIPTOR; + +typedef struct _R01_DESCRIPTOR +{ + union + { + u32 value; + #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian + struct + { + u32 R01_RESERVED:3; + u32 R01_mod_type:1; + u32 R01_pre_type:1; + u32 R01_data_rate:3; + u32 R01_AGC_state:8; + u32 R01_LNA_state:2; + u32 R01_decryption_method:2; + u32 R01_mic_error:1; + u32 R01_replay:1; + u32 R01_broadcast_frame:1; + u32 R01_multicast_frame:1; + u32 R01_directed_frame:1; + u32 R01_receive_frame_antenna_selection:1; + u32 R01_frame_receive_during_atim_window:1; + u32 R01_protocol_version_error:1; + u32 R01_authentication_frame_icv_error:1; + u32 R01_null_key_to_authentication_frame:1; + u32 R01_icv_error:1; + u32 R01_crc_error:1; + }; + #else + struct + { + u32 R01_crc_error:1; + u32 R01_icv_error:1; + u32 R01_null_key_to_authentication_frame:1; + u32 R01_authentication_frame_icv_error:1; + u32 R01_protocol_version_error:1; + u32 R01_frame_receive_during_atim_window:1; + u32 R01_receive_frame_antenna_selection:1; + u32 R01_directed_frame:1; + u32 R01_multicast_frame:1; + u32 R01_broadcast_frame:1; + u32 R01_replay:1; + u32 R01_mic_error:1; + u32 R01_decryption_method:2; + u32 R01_LNA_state:2; + u32 R01_AGC_state:8; + u32 R01_data_rate:3; + u32 R01_pre_type:1; + u32 R01_mod_type:1; + u32 R01_RESERVED:3; + }; + #endif + }; +} R01_DESCRIPTOR, *PR01_DESCRIPTOR; + +typedef struct _T01_DESCRIPTOR +{ + union + { + u32 value; + #ifdef _BIG_ENDIAN_ //20061009 anson's endian + struct + { + u32 T01_rts_cts_duration:16; + u32 T01_fall_back_rate:3; + u32 T01_add_rts:1; + u32 T01_add_cts:1; + u32 T01_modulation_type:1; + u32 T01_plcp_header_length:1; + u32 T01_transmit_rate:3; + u32 T01_wep_id:2; + u32 T01_add_challenge_text:1; + u32 T01_inhibit_crc:1; + u32 T01_loop_back_wep_mode:1; + u32 T01_retry_abort_ebable:1; + }; + #else + struct + { + u32 T01_retry_abort_ebable:1; + u32 T01_loop_back_wep_mode:1; + u32 T01_inhibit_crc:1; + u32 T01_add_challenge_text:1; + u32 T01_wep_id:2; + u32 T01_transmit_rate:3; + u32 T01_plcp_header_length:1; + u32 T01_modulation_type:1; + u32 T01_add_cts:1; + u32 T01_add_rts:1; + u32 T01_fall_back_rate:3; + u32 T01_rts_cts_duration:16; + }; + #endif + }; +} T01_DESCRIPTOR, *PT01_DESCRIPTOR; + +typedef struct _T02_DESCRIPTOR +{ + union + { + u32 value; + #ifdef _BIG_ENDIAN_ //20061009 add by anson's endian + struct + { + u32 T02_IsLastMpdu:1;// The same mechanism with T00 setting + u32 T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS + u32 T02_RESERVED_ID:2;// The same mechanism with T00 setting + u32 T02_Tx_PktID:4; + u32 T02_MPDU_Cnt:4; + u32 T02_RTS_Cnt:4; + u32 T02_RESERVED:7; + u32 T02_transmit_complete:1; + u32 T02_transmit_abort_due_to_TBTT:1; + u32 T02_effective_transmission_rate:1; + u32 T02_transmit_without_encryption_due_to_wep_on_false:1; + u32 T02_discard_due_to_null_wep_key:1; + u32 T02_RESERVED_1:1; + u32 T02_out_of_MaxTxMSDULiftTime:1; + u32 T02_transmit_abort:1; + u32 T02_transmit_fail:1; + }; + #else + struct + { + u32 T02_transmit_fail:1; + u32 T02_transmit_abort:1; + u32 T02_out_of_MaxTxMSDULiftTime:1; + u32 T02_RESERVED_1:1; + u32 T02_discard_due_to_null_wep_key:1; + u32 T02_transmit_without_encryption_due_to_wep_on_false:1; + u32 T02_effective_transmission_rate:1; + u32 T02_transmit_abort_due_to_TBTT:1; + u32 T02_transmit_complete:1; + u32 T02_RESERVED:7; + u32 T02_RTS_Cnt:4; + u32 T02_MPDU_Cnt:4; + u32 T02_Tx_PktID:4; + u32 T02_RESERVED_ID:2;// The same mechanism with T00 setting + u32 T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS + u32 T02_IsLastMpdu:1;// The same mechanism with T00 setting + }; + #endif + }; +} T02_DESCRIPTOR, *PT02_DESCRIPTOR; + +typedef struct _DESCRIPTOR { // Skip length = 8 DWORD + // ID for descriptor ---, The field doesn't be cleard in the operation of Descriptor definition + u8 Descriptor_ID; + //----------------------The above region doesn't be cleared by DESCRIPTOR_RESET------ + u8 RESERVED[3]; + + u16 FragmentThreshold; + u8 InternalUsed;//Only can be used by operation of descriptor definition + u8 Type;// 0: 802.3 1:802.11 data frame 2:802.11 management frame + + u8 PreambleMode;// 0: short 1:long + u8 TxRate; + u8 FragmentCount; + u8 EapFix; // For speed up key install + + // For R00 and T00 ---------------------------------------------- + union + { + R00_DESCRIPTOR R00; + T00_DESCRIPTOR T00; + }; + + // For R01 and T01 ---------------------------------------------- + union + { + R01_DESCRIPTOR R01; + T01_DESCRIPTOR T01; + }; + + // For R02 and T02 ---------------------------------------------- + union + { + u32 R02; + T02_DESCRIPTOR T02; + }; + + // For R03 and T03 ---------------------------------------------- + // For software used + union + { + u32 R03; + u32 T03; + struct + { + u8 buffer_number; + u8 buffer_start_index; + u16 buffer_total_size; + }; + }; + + // For storing the buffer + u16 buffer_size[ MAX_DESCRIPTOR_BUFFER_INDEX ]; + void* buffer_address[ MAX_DESCRIPTOR_BUFFER_INDEX ];//931130.4.q + +} DESCRIPTOR, *PDESCRIPTOR; + + +#define DEFAULT_NULL_PACKET_COUNT 180000 //20060828.1 Add. 180 seconds + +#define MAX_TXVGA_EEPROM 9 //How many word(u16) of EEPROM will be used for TxVGA +#define MAX_RF_PARAMETER 32 + +typedef struct _TXVGA_FOR_50 { + u8 ChanNo; + u8 TxVgaValue; +} TXVGA_FOR_50; + + +//===================================================================== +// Device related include +//===================================================================== + +#include "linux/wbusb_s.h" +#include "linux/wb35reg_s.h" +#include "linux/wb35tx_s.h" +#include "linux/wb35rx_s.h" + + +// For Hal using ================================================================== +typedef struct _HW_DATA_T +{ + // For compatible with 33 + u32 revision; + u32 BB3c_cal; // The value for Tx calibration comes from EEPROM + u32 BB54_cal; // The value for Rx calibration comes from EEPROM + + + // For surprise remove + u32 SurpriseRemove; // 0: Normal 1: Surprise remove + u8 InitialResource; + u8 IsKeyPreSet; + u8 CalOneTime; // 20060630.1 + + u8 VCO_trim; + + // For Fix 1'st DMA bug + u32 FragCount; + u32 DMAFix; //V1_DMA_FIX The variable can be removed if driver want to save mem space for V2. + + //======================================================================================= + // For USB driver, hal need more variables. Due to + // 1. NDIS-WDM operation + // 2. The SME, MLME and OLD MDS need Adapter structure, but the driver under HAL doesn't + // have that parameter when receiving and indicating packet. + // The MDS must input the Adapter pointer as the second parameter of hal_init_hardware. + // The function usage is different than PCI driver. + //======================================================================================= + void* Adapter; + + //=============================================== + // Definition for MAC address + //=============================================== + u8 PermanentMacAddress[ETH_LENGTH_OF_ADDRESS + 2]; // The Enthernet addr that are stored in EEPROM. + 2 to 8-byte alignment + u8 CurrentMacAddress[ETH_LENGTH_OF_ADDRESS + 2]; // The Enthernet addr that are in used. + 2 to 8-byte alignment + + //===================================================================== + // Definition for 802.11 + //===================================================================== + PUCHAR bssid_pointer; // Used by hal_get_bssid for return value + u8 bssid[8];// Only 6 byte will be used. 8 byte is required for read buffer + u8 ssid[32];// maximum ssid length is 32 byte + + u16 AID; + u8 ssid_length; + u8 Channel; + + u16 ListenInterval; + u16 CapabilityInformation; + + u16 BeaconPeriod; + u16 ProbeDelay; + + u8 bss_type;// 0: IBSS_NET or 1:ESS_NET + u8 preamble;// 0: short preamble, 1: long preamble + u8 slot_time_select;// 9 or 20 value + u8 phy_type;// Phy select + + u32 phy_para[MAX_RF_PARAMETER]; + u32 phy_number; + + u32 CurrentRadioSw; // 20060320.2 0:On 1:Off + u32 CurrentRadioHw; // 20060825 0:On 1:Off + + PUCHAR power_save_point; // Used by hal_get_power_save_mode for return value + u8 cwmin; + u8 desired_power_save; + u8 dtim;// Is running dtim + u8 mapping_key_replace_index;//In Key table, the next index be replaced 931130.4.r + + u16 MaxReceiveLifeTime; + u16 FragmentThreshold; + u16 FragmentThreshold_tmp; + u16 cwmax; + + u8 Key_slot[MAX_KEY_TABLE][8]; //Ownership record for key slot. For Alignment + u32 Key_content[MAX_KEY_TABLE][12]; // 10DW for each entry + 2 for burst command( Off and On valid bit) + u8 CurrentDefaultKeyIndex; + u32 CurrentDefaultKeyLength; + + //======================================================================== + // Variable for each module + //======================================================================== + WBUSB WbUsb; // Need WbUsb.h + WB35REG Wb35Reg; // Need Wb35Reg.h + WB35TX Wb35Tx; // Need Wb35Tx.h + WB35RX Wb35Rx; // Need Wb35Rx.h + + OS_TIMER LEDTimer;// For LED + + u32 LEDpoint;// For LED + + u32 dto_tx_retry_count; // LA20040210_DTO kevin + u32 dto_tx_frag_count; // LA20040210_DTO kevin + u32 rx_ok_count[13]; // index=0: total rx ok + //u32 rx_ok_bytes[13]; // index=0, total rx ok bytes + u32 rx_err_count[13]; // index=0: total rx err + + //for Tx debug + u32 tx_TBTT_start_count; + u32 tx_ETR_count; + u32 tx_WepOn_false_count; + u32 tx_Null_key_count; + u32 tx_retry_count[8]; + + u8 PowerIndexFromEEPROM; // For 2412MHz + u8 power_index; + u8 IsWaitJoinComplete; // TRUE: set join request + u8 band; + + u16 SoftwareSet; + u16 Reserved_s; + + u32 IsInitOK; // 0: Driver starting 1: Driver init OK + + // For Phy calibration + s32 iq_rsdl_gain_tx_d2; + s32 iq_rsdl_phase_tx_d2; + u32 txvga_setting_for_cal; // 20060703.1 Add + + u8 TxVgaSettingInEEPROM[ (((MAX_TXVGA_EEPROM*2)+3) & ~0x03) ]; // 20060621 For backup EEPROM value + u8 TxVgaFor24[16]; // Max is 14, 2 for alignment + TXVGA_FOR_50 TxVgaFor50[36]; // 35 channels in 5G. 35x2 = 70 byte. 2 for alignments + + u16 Scan_Interval; + u16 RESERVED6; + + // LED control + u32 LED_control; + // LED_control 4 byte: Gray_Led_1[3] Gray_Led_0[2] Led[1] Led[0] + // Gray_Led + // For Led gray setting + // Led + // 0: normal control, LED behavior will decide by EEPROM setting + // 1: Turn off specific LED + // 2: Always on specific LED + // 3: slow blinking specific LED + // 4: fast blinking specific LED + // 5: WPS led control is set. Led0 is Red, Led1 id Green + // Led[1] is parameter for WPS LED mode + // // 1:InProgress 2: Error 3: Session overlap 4: Success 20061108 control + + u32 LED_LinkOn; //Turn LED on control + u32 LED_Scanning; // Let LED in scan process control + u32 LED_Blinking; // Temp variable for shining + u32 RxByteCountLast; + u32 TxByteCountLast; + + s32 SurpriseRemoveCount; + + // For global timer + u32 time_count;//TICK_TIME_100ms 1 = 100ms + + // For error recover + u32 HwStop; + + // 20060828.1 for avoid AP disconnect + u32 NullPacketCount; + +} hw_data_t, *phw_data_t; + +// The mapping of Rx and Tx descriptor field +typedef struct _HAL_RATE +{ + // DSSS + u32 RESERVED_0; + u32 NumRate2MS; + u32 NumRate55MS; + u32 NumRate11MS; + + u32 RESERVED_1[4]; + + u32 NumRate1M; + u32 NumRate2ML; + u32 NumRate55ML; + u32 NumRate11ML; + + u32 RESERVED_2[4]; + + // OFDM + u32 NumRate6M; + u32 NumRate9M; + u32 NumRate12M; + u32 NumRate18M; + u32 NumRate24M; + u32 NumRate36M; + u32 NumRate48M; + u32 NumRate54M; +} HAL_RATE, *PHAL_RATE; + + diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c new file mode 100644 index 000000000000..2eade5a47b19 --- /dev/null +++ b/drivers/staging/winbond/wblinux.c @@ -0,0 +1,277 @@ +//============================================================================ +// Copyright (c) 1996-2005 Winbond Electronic Corporation +// +// Module Name: +// wblinux.c +// +// Abstract: +// Linux releated routines +// +//============================================================================ +#include "os_common.h" + +u32 +WBLINUX_MemoryAlloc(void* *VirtualAddress, u32 Length) +{ + *VirtualAddress = kzalloc( Length, GFP_ATOMIC ); //GFP_KERNEL is not suitable + + if (*VirtualAddress == NULL) + return 0; + return 1; +} + +s32 +EncapAtomicInc(PADAPTER Adapter, void* pAtomic) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + u32 ltmp; + PULONG pltmp = (PULONG)pAtomic; + OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock ); + (*pltmp)++; + ltmp = (*pltmp); + OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock ); + return ltmp; +} + +s32 +EncapAtomicDec(PADAPTER Adapter, void* pAtomic) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + u32 ltmp; + PULONG pltmp = (PULONG)pAtomic; + OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock ); + (*pltmp)--; + ltmp = (*pltmp); + OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock ); + return ltmp; +} + +unsigned char +WBLINUX_Initial(PADAPTER Adapter) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + + OS_SPIN_LOCK_ALLOCATE( &pWbLinux->SpinLock ); + OS_SPIN_LOCK_ALLOCATE( &pWbLinux->AtomicSpinLock ); + return TRUE; +} + +void +WBLinux_ReceivePacket(PADAPTER Adapter, PRXLAYER1 pRxLayer1) +{ + BUG(); +} + + +void +WBLINUX_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes) +{ + BUG(); +} + +void +WBLINUX_GetNextPacketCompleted(PADAPTER Adapter, PDESCRIPTOR pDes) +{ + BUG(); +} + +void +WBLINUX_Destroy(PADAPTER Adapter) +{ + WBLINUX_stop( Adapter ); + OS_SPIN_LOCK_FREE( &pWbNdis->SpinLock ); +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] unregister_netdev!\n")); +#endif +} + +void +WBLINUX_stop( PADAPTER Adapter ) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + struct sk_buff *pSkb; + + if (OS_ATOMIC_INC( Adapter, &pWbLinux->ThreadCount ) == 1) { + // Shutdown module immediately + pWbLinux->shutdown = 1; + + while (pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]) { + // Trying to free the un-sending packet + pSkb = pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]; + pWbLinux->skb_array[ pWbLinux->skb_GetIndex ] = NULL; + if( in_irq() ) + dev_kfree_skb_irq( pSkb ); + else + dev_kfree_skb( pSkb ); + + pWbLinux->skb_GetIndex++; + pWbLinux->skb_GetIndex %= WBLINUX_PACKET_ARRAY_SIZE; + } + +#ifdef _PE_STATE_DUMP_ + WBDEBUG(( "[w35und] SKB_RELEASE OK\n" )); +#endif + } + + OS_ATOMIC_DEC( Adapter, &pWbLinux->ThreadCount ); +} + +void +WbWlanHalt( PADAPTER Adapter ) +{ + //--------------------- + Adapter->sLocalPara.ShutDowned = TRUE; + + Mds_Destroy( Adapter ); + + // Turn off Rx and Tx hardware ability + hal_stop( &Adapter->sHwData ); +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und] Hal_stop O.K.\n")); +#endif + OS_SLEEP(100000);// Waiting Irp completed + + // Destroy the NDIS module + WBLINUX_Destroy( Adapter ); + + // Halt the HAL + hal_halt(&Adapter->sHwData, NULL); +} + +unsigned char +WbWLanInitialize(PADAPTER Adapter) +{ + phw_data_t pHwData; + PUCHAR pMacAddr, pMacAddr2; + u32 InitStep = 0; + u8 EEPROM_region; + u8 HwRadioOff; + + do { + // + // Setting default value for Linux + // + Adapter->sLocalPara.region_INF = REGION_AUTO; + Adapter->sLocalPara.TxRateMode = RATE_AUTO; + psLOCAL->bMacOperationMode = MODE_802_11_BG; // B/G mode + Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold; + Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; + hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 ); + Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE; + psLOCAL->bPreambleMode = AUTO_MODE; + Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE; + pHwData = &Adapter->sHwData; + hal_set_phy_type( pHwData, RF_DECIDE_BY_INF ); + + // + // Initial each module and variable + // + if (!WBLINUX_Initial(Adapter)) { +#ifdef _PE_USB_INI_DUMP_ + WBDEBUG(("[w35und]WBNDIS initialization failed\n")); +#endif + break; + } + + // Initial Software variable + Adapter->sLocalPara.ShutDowned = FALSE; + + //added by ws for wep key error detection + Adapter->sLocalPara.bWepKeyError= FALSE; + Adapter->sLocalPara.bToSelfPacketReceived = FALSE; + Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds + + // Initial USB hal + InitStep = 1; + pHwData = &Adapter->sHwData; + if (!hal_init_hardware(pHwData, Adapter)) + break; + + EEPROM_region = hal_get_region_from_EEPROM( pHwData ); + if (EEPROM_region != REGION_AUTO) + psLOCAL->region = EEPROM_region; + else { + if (psLOCAL->region_INF != REGION_AUTO) + psLOCAL->region = psLOCAL->region_INF; + else + psLOCAL->region = REGION_USA; //default setting + } + + // Get Software setting flag from hal + Adapter->sLocalPara.boAntennaDiversity = FALSE; + if (hal_software_set(pHwData) & 0x00000001) + Adapter->sLocalPara.boAntennaDiversity = TRUE; + + // + // For TS module + // + InitStep = 2; + + // For MDS module + InitStep = 3; + Mds_initial(Adapter); + + //======================================= + // Initialize the SME, SCAN, MLME, ROAM + //======================================= + InitStep = 4; + InitStep = 5; + InitStep = 6; + + // If no user-defined address in the registry, use the addresss "burned" on the NIC instead. + pMacAddr = Adapter->sLocalPara.ThisMacAddress; + pMacAddr2 = Adapter->sLocalPara.PermanentAddress; + hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM + if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal + { + memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH ); + } else { + // Set the user define MAC address + hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress ); + } + + //get current antenna + psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData); +#ifdef _PE_STATE_DUMP_ + WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo)); +#endif + hal_get_hw_radio_off( pHwData ); + + // Waiting for HAL setting OK + while (!hal_idle(pHwData)) + OS_SLEEP(10000); + + MTO_Init(Adapter); + + HwRadioOff = hal_get_hw_radio_off( pHwData ); + psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff; + + hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) ); + + hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now. + //set a tx power for reference..... +// sme_set_tx_power_level(Adapter, 12); FIXME? + return TRUE; + } + while(FALSE); + + switch (InitStep) { + case 5: + case 4: + case 3: Mds_Destroy( Adapter ); + case 2: + case 1: WBLINUX_Destroy( Adapter ); + hal_halt( pHwData, NULL ); + case 0: break; + } + + return FALSE; +} + +void WBLINUX_ConnectStatus(PADAPTER Adapter, u32 flag) +{ + PWBLINUX pWbLinux = &Adapter->WbLinux; + + pWbLinux->LinkStatus = flag; // OS_DISCONNECTED or OS_CONNECTED +} + diff --git a/drivers/staging/winbond/wblinux_f.h b/drivers/staging/winbond/wblinux_f.h new file mode 100644 index 000000000000..68240c5fc80d --- /dev/null +++ b/drivers/staging/winbond/wblinux_f.h @@ -0,0 +1,23 @@ +//========================================================================= +// Copyright (c) 1996-2004 Winbond Electronic Corporation +// +// wblinux_f.h +// +u32 WBLINUX_MemoryAlloc( void* *VirtualAddress, u32 Length ); +s32 EncapAtomicInc( PADAPTER Adapter, void* pAtomic ); +s32 EncapAtomicDec( PADAPTER Adapter, void* pAtomic ); +void WBLinux_ReceivePacket( PADAPTER Adapter, PRXLAYER1 pRxLayer1 ); +unsigned char WBLINUX_Initial( PADAPTER Adapter ); +int wb35_start_xmit(struct sk_buff *skb, struct net_device *netdev ); +void WBLINUX_GetNextPacket( PADAPTER Adapter, PDESCRIPTOR pDes ); +void WBLINUX_GetNextPacketCompleted( PADAPTER Adapter, PDESCRIPTOR pDes ); +void WBLINUX_stop( PADAPTER Adapter ); +void WBLINUX_Destroy( PADAPTER Adapter ); +void wb35_set_multicast( struct net_device *netdev ); +struct net_device_stats * wb35_netdev_stats( struct net_device *netdev ); +void WBLINUX_stop( PADAPTER Adapter ); +void WbWlanHalt( PADAPTER Adapter ); +void WBLINUX_ConnectStatus( PADAPTER Adapter, u32 flag ); + + + diff --git a/drivers/staging/winbond/wblinux_s.h b/drivers/staging/winbond/wblinux_s.h new file mode 100644 index 000000000000..97e9167ab839 --- /dev/null +++ b/drivers/staging/winbond/wblinux_s.h @@ -0,0 +1,45 @@ +//============================================================ +// wblinux_s.h +// +#define OS_MEMORY_ALLOC( _V, _S ) WBLINUX_MemoryAlloc( _V, _S ) +#define OS_LINK_STATUS (Adapter->WbLinux.LinkStatus == OS_CONNECTED) +#define OS_SET_SHUTDOWN( _A ) _A->WbLinux.shutdown=1 +#define OS_SET_RESUME( _A ) _A->WbLinux.shutdown=0 +#define OS_CONNECT_STATUS_INDICATE( _A, _F ) WBLINUX_ConnectStatus( _A, _F ) +#define OS_DISCONNECTED 0 +#define OS_CONNECTED 1 +#define OS_STOP( _A ) WBLINUX_stop( _A ) + +#define OS_CURRENT_RX_BYTE( _A ) _A->WbLinux.RxByteCount +#define OS_CURRENT_TX_BYTE( _A ) _A->WbLinux.TxByteCount +#define OS_EVENT_INDICATE( _A, _B, _F ) +#define OS_PMKID_STATUS_EVENT( _A ) +#define OS_RECEIVE_PACKET_INDICATE( _A, _D ) WBLinux_ReceivePacket( _A, _D ) +#define OS_RECEIVE_802_1X_PACKET_INDICATE( _A, _D ) EAP_ReceivePacket( _A, _D ) +#define OS_GET_PACKET( _A, _D ) WBLINUX_GetNextPacket( _A, _D ) +#define OS_GET_PACKET_COMPLETE( _A, _D ) WBLINUX_GetNextPacketCompleted( _A, _D ) +#define OS_SEND_RESULT( _A, _ID, _R ) + +#define WBLINUX_PACKET_ARRAY_SIZE (ETHERNET_TX_DESCRIPTORS*4) + +typedef struct _WBLINUX +{ + OS_SPIN_LOCK AtomicSpinLock; + OS_SPIN_LOCK SpinLock; + u32 shutdown; + + OS_ATOMIC ThreadCount; + + u32 LinkStatus; // OS_DISCONNECTED or OS_CONNECTED + + u32 RxByteCount; + u32 TxByteCount; + + struct sk_buff *skb_array[ WBLINUX_PACKET_ARRAY_SIZE ]; + struct sk_buff *packet_return; + s32 skb_SetIndex; + s32 skb_GetIndex; + s32 netif_state_stop; // 1: stop 0: normal +} WBLINUX, *PWBLINUX; + + -- GitLab From 00b3ed1685089ff52169a715de11106ed37df087 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 2 Oct 2008 11:29:28 -0700 Subject: [PATCH 3640/6244] Staging: add wlan-ng prism2 usb driver This adds the wlan-ng prism2 USB driver to the drivers/staging tree. The code was originally written by the linux-wlan-ng team, patched by some Novell engineers to properly work on newer kernels, and then hacked into place in order to get it to build properly in a single subdirectory within the kernel tree by me. It supports a wide range of older USB prism2 devices, and contains a 80211 stack to support this single driver. Cc: Christian Zoz Cc: Andreas Gruenbacher Cc: linux-wireless Cc: John Linville Cc: Helmut Schaa Cc: linux-wlan-ng Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/wlan-ng/Kconfig | 10 + drivers/staging/wlan-ng/Makefile | 9 + drivers/staging/wlan-ng/README | 8 + drivers/staging/wlan-ng/hfa384x.c | 4018 ++++++++++++++++ drivers/staging/wlan-ng/hfa384x.h | 3067 ++++++++++++ drivers/staging/wlan-ng/hfa384x_usb.c | 5027 ++++++++++++++++++++ drivers/staging/wlan-ng/p80211conv.c | 683 +++ drivers/staging/wlan-ng/p80211conv.h | 186 + drivers/staging/wlan-ng/p80211hdr.h | 299 ++ drivers/staging/wlan-ng/p80211ioctl.h | 123 + drivers/staging/wlan-ng/p80211meta.h | 169 + drivers/staging/wlan-ng/p80211metadef.h | 2524 ++++++++++ drivers/staging/wlan-ng/p80211metamib.h | 105 + drivers/staging/wlan-ng/p80211metamsg.h | 105 + drivers/staging/wlan-ng/p80211metastruct.h | 644 +++ drivers/staging/wlan-ng/p80211mgmt.h | 575 +++ drivers/staging/wlan-ng/p80211mod.c | 216 + drivers/staging/wlan-ng/p80211msg.h | 102 + drivers/staging/wlan-ng/p80211netdev.c | 1502 ++++++ drivers/staging/wlan-ng/p80211netdev.h | 336 ++ drivers/staging/wlan-ng/p80211req.c | 329 ++ drivers/staging/wlan-ng/p80211req.h | 68 + drivers/staging/wlan-ng/p80211types.h | 675 +++ drivers/staging/wlan-ng/p80211wep.c | 317 ++ drivers/staging/wlan-ng/p80211wext.c | 2048 ++++++++ drivers/staging/wlan-ng/prism2_cs.c | 1487 ++++++ drivers/staging/wlan-ng/prism2_pci.c | 332 ++ drivers/staging/wlan-ng/prism2_plx.c | 472 ++ drivers/staging/wlan-ng/prism2_usb.c | 361 ++ drivers/staging/wlan-ng/prism2mgmt.c | 2956 ++++++++++++ drivers/staging/wlan-ng/prism2mgmt.h | 182 + drivers/staging/wlan-ng/prism2mib.c | 3799 +++++++++++++++ drivers/staging/wlan-ng/prism2sta.c | 2502 ++++++++++ drivers/staging/wlan-ng/version.h | 64 + drivers/staging/wlan-ng/wlan_compat.h | 757 +++ 37 files changed, 36060 insertions(+) create mode 100644 drivers/staging/wlan-ng/Kconfig create mode 100644 drivers/staging/wlan-ng/Makefile create mode 100644 drivers/staging/wlan-ng/README create mode 100644 drivers/staging/wlan-ng/hfa384x.c create mode 100644 drivers/staging/wlan-ng/hfa384x.h create mode 100644 drivers/staging/wlan-ng/hfa384x_usb.c create mode 100644 drivers/staging/wlan-ng/p80211conv.c create mode 100644 drivers/staging/wlan-ng/p80211conv.h create mode 100644 drivers/staging/wlan-ng/p80211hdr.h create mode 100644 drivers/staging/wlan-ng/p80211ioctl.h create mode 100644 drivers/staging/wlan-ng/p80211meta.h create mode 100644 drivers/staging/wlan-ng/p80211metadef.h create mode 100644 drivers/staging/wlan-ng/p80211metamib.h create mode 100644 drivers/staging/wlan-ng/p80211metamsg.h create mode 100644 drivers/staging/wlan-ng/p80211metastruct.h create mode 100644 drivers/staging/wlan-ng/p80211mgmt.h create mode 100644 drivers/staging/wlan-ng/p80211mod.c create mode 100644 drivers/staging/wlan-ng/p80211msg.h create mode 100644 drivers/staging/wlan-ng/p80211netdev.c create mode 100644 drivers/staging/wlan-ng/p80211netdev.h create mode 100644 drivers/staging/wlan-ng/p80211req.c create mode 100644 drivers/staging/wlan-ng/p80211req.h create mode 100644 drivers/staging/wlan-ng/p80211types.h create mode 100644 drivers/staging/wlan-ng/p80211wep.c create mode 100644 drivers/staging/wlan-ng/p80211wext.c create mode 100644 drivers/staging/wlan-ng/prism2_cs.c create mode 100644 drivers/staging/wlan-ng/prism2_pci.c create mode 100644 drivers/staging/wlan-ng/prism2_plx.c create mode 100644 drivers/staging/wlan-ng/prism2_usb.c create mode 100644 drivers/staging/wlan-ng/prism2mgmt.c create mode 100644 drivers/staging/wlan-ng/prism2mgmt.h create mode 100644 drivers/staging/wlan-ng/prism2mib.c create mode 100644 drivers/staging/wlan-ng/prism2sta.c create mode 100644 drivers/staging/wlan-ng/version.h create mode 100644 drivers/staging/wlan-ng/wlan_compat.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index fdbdf84e3077..762b471fdeda 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -37,4 +37,6 @@ source "drivers/staging/usbip/Kconfig" source "drivers/staging/winbond/Kconfig" +source "drivers/staging/wlan-ng/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 9b576c91b15e..574198479d66 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_ME4000) += me4000/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_USB_IP_COMMON) += usbip/ obj-$(CONFIG_W35UND) += winbond/ +obj-$(CONFIG_PRISM2_USB) += wlan-ng/ diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig new file mode 100644 index 000000000000..10b1f0f634d3 --- /dev/null +++ b/drivers/staging/wlan-ng/Kconfig @@ -0,0 +1,10 @@ +config PRISM2_USB + tristate "Prism2.5 USB driver" + depends on USB + default n + ---help--- + This is the wlan-ng prism 2.5 USB driver for a wide range of + old USB wireless devices. + + To compile this driver as a module, choose M here: the module + will be called prism2_usb. diff --git a/drivers/staging/wlan-ng/Makefile b/drivers/staging/wlan-ng/Makefile new file mode 100644 index 000000000000..777b5111b3d0 --- /dev/null +++ b/drivers/staging/wlan-ng/Makefile @@ -0,0 +1,9 @@ +obj-$(CONFIG_PRISM2_USB) += prism2_usb.o +obj-$(CONFIG_PRISM2_USB) += p80211.o + +p80211-objs := p80211mod.o \ + p80211conv.o \ + p80211req.o \ + p80211wep.o \ + p80211wext.o \ + p80211netdev.o diff --git a/drivers/staging/wlan-ng/README b/drivers/staging/wlan-ng/README new file mode 100644 index 000000000000..f50e4eb6c272 --- /dev/null +++ b/drivers/staging/wlan-ng/README @@ -0,0 +1,8 @@ +TODO: + - checkpatch.pl cleanups + - sparse warnings + - Lindent cleanups + - move to use the in-kernel wireless stack + - possible enable the pcmcia and pci portions of the driver + +Please send all patches to Greg Kroah-Hartman diff --git a/drivers/staging/wlan-ng/hfa384x.c b/drivers/staging/wlan-ng/hfa384x.c new file mode 100644 index 000000000000..04df3fd9c520 --- /dev/null +++ b/drivers/staging/wlan-ng/hfa384x.c @@ -0,0 +1,4018 @@ +/* src/prism2/driver/hfa384x.c +* +* Implements the functions of the Intersil hfa384x MAC +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file implements functions that correspond to the prism2/hfa384x +* 802.11 MAC hardware and firmware host interface. +* +* The functions can be considered to represent several levels of +* abstraction. The lowest level functions are simply C-callable wrappers +* around the register accesses. The next higher level represents C-callable +* prism2 API functions that match the Intersil documentation as closely +* as is reasonable. The next higher layer implements common sequences +* of invokations of the API layer (e.g. write to bap, followed by cmd). +* +* Common sequences: +* hfa384x_drvr_xxx Highest level abstractions provided by the +* hfa384x code. They are driver defined wrappers +* for common sequences. These functions generally +* use the services of the lower levels. +* +* hfa384x_drvr_xxxconfig An example of the drvr level abstraction. These +* functions are wrappers for the RID get/set +* sequence. They call copy_[to|from]_bap() and +* cmd_access(). These functions operate on the +* RIDs and buffers without validation. The caller +* is responsible for that. +* +* API wrapper functions: +* hfa384x_cmd_xxx functions that provide access to the f/w commands. +* The function arguments correspond to each command +* argument, even command arguments that get packed +* into single registers. These functions _just_ +* issue the command by setting the cmd/parm regs +* & reading the status/resp regs. Additional +* activities required to fully use a command +* (read/write from/to bap, get/set int status etc.) +* are implemented separately. Think of these as +* C-callable prism2 commands. +* +* Lowest Layer Functions: +* hfa384x_docmd_xxx These functions implement the sequence required +* to issue any prism2 command. Primarily used by the +* hfa384x_cmd_xxx functions. +* +* hfa384x_bap_xxx BAP read/write access functions. +* Note: we usually use BAP0 for non-interrupt context +* and BAP1 for interrupt context. +* +* hfa384x_dl_xxx download related functions. +* +* Driver State Issues: +* Note that there are two pairs of functions that manage the +* 'initialized' and 'running' states of the hw/MAC combo. The four +* functions are create(), destroy(), start(), and stop(). create() +* sets up the data structures required to support the hfa384x_* +* functions and destroy() cleans them up. The start() function gets +* the actual hardware running and enables the interrupts. The stop() +* function shuts the hardware down. The sequence should be: +* create() +* . +* . Self contained test routines can run here, particularly +* . corereset() and test_hostif(). +* . +* start() +* . +* . Do interesting things w/ the hardware +* . +* stop() +* destroy() +* +* Note that destroy() can be called without calling stop() first. +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ + +/* System Includes */ +#define WLAN_DBVAR prism2_debug +#include "version.h" + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include +#else +#include +#endif + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) ) +#include +#endif +#include +#include +#include +#include +#include +#endif + +#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI)) +#include +#include +#endif + +#include "wlan_compat.h" + +// XXXX #define CMD_IRQ + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211req.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/*================================================================*/ +/* Local Constants */ + +static const UINT16 crc16tab[256] = +{ + 0x0000, 0xc0c1, 0xc181, 0x0140, 0xc301, 0x03c0, 0x0280, 0xc241, + 0xc601, 0x06c0, 0x0780, 0xc741, 0x0500, 0xc5c1, 0xc481, 0x0440, + 0xcc01, 0x0cc0, 0x0d80, 0xcd41, 0x0f00, 0xcfc1, 0xce81, 0x0e40, + 0x0a00, 0xcac1, 0xcb81, 0x0b40, 0xc901, 0x09c0, 0x0880, 0xc841, + 0xd801, 0x18c0, 0x1980, 0xd941, 0x1b00, 0xdbc1, 0xda81, 0x1a40, + 0x1e00, 0xdec1, 0xdf81, 0x1f40, 0xdd01, 0x1dc0, 0x1c80, 0xdc41, + 0x1400, 0xd4c1, 0xd581, 0x1540, 0xd701, 0x17c0, 0x1680, 0xd641, + 0xd201, 0x12c0, 0x1380, 0xd341, 0x1100, 0xd1c1, 0xd081, 0x1040, + 0xf001, 0x30c0, 0x3180, 0xf141, 0x3300, 0xf3c1, 0xf281, 0x3240, + 0x3600, 0xf6c1, 0xf781, 0x3740, 0xf501, 0x35c0, 0x3480, 0xf441, + 0x3c00, 0xfcc1, 0xfd81, 0x3d40, 0xff01, 0x3fc0, 0x3e80, 0xfe41, + 0xfa01, 0x3ac0, 0x3b80, 0xfb41, 0x3900, 0xf9c1, 0xf881, 0x3840, + 0x2800, 0xe8c1, 0xe981, 0x2940, 0xeb01, 0x2bc0, 0x2a80, 0xea41, + 0xee01, 0x2ec0, 0x2f80, 0xef41, 0x2d00, 0xedc1, 0xec81, 0x2c40, + 0xe401, 0x24c0, 0x2580, 0xe541, 0x2700, 0xe7c1, 0xe681, 0x2640, + 0x2200, 0xe2c1, 0xe381, 0x2340, 0xe101, 0x21c0, 0x2080, 0xe041, + 0xa001, 0x60c0, 0x6180, 0xa141, 0x6300, 0xa3c1, 0xa281, 0x6240, + 0x6600, 0xa6c1, 0xa781, 0x6740, 0xa501, 0x65c0, 0x6480, 0xa441, + 0x6c00, 0xacc1, 0xad81, 0x6d40, 0xaf01, 0x6fc0, 0x6e80, 0xae41, + 0xaa01, 0x6ac0, 0x6b80, 0xab41, 0x6900, 0xa9c1, 0xa881, 0x6840, + 0x7800, 0xb8c1, 0xb981, 0x7940, 0xbb01, 0x7bc0, 0x7a80, 0xba41, + 0xbe01, 0x7ec0, 0x7f80, 0xbf41, 0x7d00, 0xbdc1, 0xbc81, 0x7c40, + 0xb401, 0x74c0, 0x7580, 0xb541, 0x7700, 0xb7c1, 0xb681, 0x7640, + 0x7200, 0xb2c1, 0xb381, 0x7340, 0xb101, 0x71c0, 0x7080, 0xb041, + 0x5000, 0x90c1, 0x9181, 0x5140, 0x9301, 0x53c0, 0x5280, 0x9241, + 0x9601, 0x56c0, 0x5780, 0x9741, 0x5500, 0x95c1, 0x9481, 0x5440, + 0x9c01, 0x5cc0, 0x5d80, 0x9d41, 0x5f00, 0x9fc1, 0x9e81, 0x5e40, + 0x5a00, 0x9ac1, 0x9b81, 0x5b40, 0x9901, 0x59c0, 0x5880, 0x9841, + 0x8801, 0x48c0, 0x4980, 0x8941, 0x4b00, 0x8bc1, 0x8a81, 0x4a40, + 0x4e00, 0x8ec1, 0x8f81, 0x4f40, 0x8d01, 0x4dc0, 0x4c80, 0x8c41, + 0x4400, 0x84c1, 0x8581, 0x4540, 0x8701, 0x47c0, 0x4680, 0x8641, + 0x8201, 0x42c0, 0x4380, 0x8341, 0x4100, 0x81c1, 0x8081, 0x4040 +}; + +/*================================================================*/ +/* Local Macros */ + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ +extern int prism2_debug; + +/*================================================================*/ +/* Local Function Declarations */ + +static void hfa384x_int_dtim(wlandevice_t *wlandev); +static void hfa384x_int_infdrop(wlandevice_t *wlandev); + +static void hfa384x_bap_tasklet(unsigned long data); + +static void hfa384x_int_info(wlandevice_t *wlandev); +static void hfa384x_int_txexc(wlandevice_t *wlandev); +static void hfa384x_int_tx(wlandevice_t *wlandev); +static void hfa384x_int_rx(wlandevice_t *wlandev); + +#ifdef CMD_IRQ +static void hfa384x_int_cmd(wlandevice_t *wlandev); +#endif +static void hfa384x_int_rxmonitor( wlandevice_t *wlandev, + UINT16 rxfid, hfa384x_rx_frame_t *rxdesc); +static void hfa384x_int_alloc(wlandevice_t *wlandev); + +static int hfa384x_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd); + +static int hfa384x_dl_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd); + +static UINT16 +hfa384x_mkcrc16(UINT8 *p, int len); + +int hfa384x_copy_to_bap4(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset, + void *buf, UINT len, void* buf2, UINT len2, + void *buf3, UINT len3, void* buf4, UINT len4); + +/*================================================================*/ +/* Function Definitions */ + +static UINT16 +txfid_queue_empty(hfa384x_t *hw) +{ + return (hw->txfid_head == hw->txfid_tail) ? 1 : 0; +} + +static UINT16 +txfid_queue_remove(hfa384x_t *hw) +{ + UINT16 result= 0; + + if (txfid_queue_empty(hw)) { + WLAN_LOG_DEBUG(3,"queue empty.\n"); + } else { + result = hw->txfid_queue[hw->txfid_head]; + hw->txfid_head = (hw->txfid_head + 1) % hw->txfid_N; + } + + return (UINT16)result; +} + +static INT16 +txfid_queue_add(hfa384x_t *hw, UINT16 val) +{ + INT16 result = 0; + + if (hw->txfid_head == ((hw->txfid_tail + 1) % hw->txfid_N)) { + result = -1; + WLAN_LOG_DEBUG(3,"queue full.\n"); + } else { + hw->txfid_queue[hw->txfid_tail] = val; + result = hw->txfid_tail; + hw->txfid_tail = (hw->txfid_tail + 1) % hw->txfid_N; + } + + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_create +* +* Initializes the hfa384x_t data structure for use. Note this +* does _not_ intialize the actual hardware, just the data structures +* we use to keep track of its state. +* +* Arguments: +* hw device structure +* irq device irq number +* iobase [pcmcia] i/o base address for register access +* [pci] zero +* [plx] i/o base address for register access +* membase [pcmcia] pcmcia_cs "link" pointer +* [pci] memory base address for register access +* [plx] memory base address for card attribute memory +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +void hfa384x_create(hfa384x_t *hw, UINT irq, UINT32 iobase, + UINT8 __iomem *membase) +{ + DBFENTER; + memset(hw, 0, sizeof(hfa384x_t)); + hw->irq = irq; + hw->iobase = iobase; + hw->membase = membase; + spin_lock_init(&(hw->cmdlock)); + + /* BAP setup */ + spin_lock_init(&(hw->baplock)); + tasklet_init(&hw->bap_tasklet, + hfa384x_bap_tasklet, + (unsigned long) hw); + + init_waitqueue_head(&hw->cmdq); + sema_init(&hw->infofid_sem, 1); + + hw->txfid_head = 0; + hw->txfid_tail = 0; + hw->txfid_N = HFA384x_DRVR_FIDSTACKLEN_MAX; + memset(hw->txfid_queue, 0, sizeof(hw->txfid_queue)); + + hw->isram16 = 1; + + /* Init the auth queue head */ + skb_queue_head_init(&hw->authq); + + INIT_WORK2(&hw->link_bh, prism2sta_processing_defer); + + INIT_WORK2(&hw->commsqual_bh, prism2sta_commsqual_defer); + + init_timer(&hw->commsqual_timer); + hw->commsqual_timer.data = (unsigned long) hw; + hw->commsqual_timer.function = prism2sta_commsqual_timer; + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + hw->state = HFA384x_STATE_INIT; + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_destroy +* +* Partner to hfa384x_create(). This function cleans up the hw +* structure so that it can be freed by the caller using a simple +* kfree. Currently, this function is just a placeholder. If, at some +* point in the future, an hw in the 'shutdown' state requires a 'deep' +* kfree, this is where it should be done. Note that if this function +* is called on a _running_ hw structure, the drvr_stop() function is +* called. +* +* Arguments: +* hw device structure +* +* Returns: +* nothing, this function is not allowed to fail. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +void +hfa384x_destroy( hfa384x_t *hw) +{ + struct sk_buff *skb; + + DBFENTER; + + if ( hw->state == HFA384x_STATE_RUNNING ) { + hfa384x_drvr_stop(hw); + } + hw->state = HFA384x_STATE_PREINIT; + + if (hw->scanresults) { + kfree(hw->scanresults); + hw->scanresults = NULL; + } + + /* Now to clean out the auth queue */ + while ( (skb = skb_dequeue(&hw->authq)) ) { + dev_kfree_skb(skb); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_getconfig +* +* Performs the sequence necessary to read a config/info item. +* +* Arguments: +* hw device structure +* rid config/info record id (host order) +* buf host side record buffer. Upon return it will +* contain the body portion of the record (minus the +* RID and len). +* len buffer length (in bytes, should match record length) +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* -ENODATA length mismatch between argument and retrieved +* record. +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len) +{ + int result = 0; + DBFENTER; + + result = hfa384x_cmd_access( hw, 0, rid, buf, len); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_setconfig +* +* Performs the sequence necessary to write a config/info item. +* +* Arguments: +* hw device structure +* rid config/info record id (in host order) +* buf host side record buffer +* len buffer length (in bytes) +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len) +{ + int result = 0; + DBFENTER; + + result = hfa384x_cmd_access( hw, 1, rid, buf, len); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_readpda +* +* Performs the sequence to read the PDA space. Note there is no +* drvr_writepda() function. Writing a PDA is +* generally implemented by a calling component via calls to +* cmd_download and writing to the flash download buffer via the +* aux regs. +* +* Arguments: +* hw device structure +* buf buffer to store PDA in +* len buffer length +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* -ETIMEOUT timout waiting for the cmd regs to become +* available, or waiting for the control reg +* to indicate the Aux port is enabled. +* -ENODATA the buffer does NOT contain a valid PDA. +* Either the card PDA is bad, or the auxdata +* reads are giving us garbage. + +* +* Side effects: +* +* Call context: +* process thread or non-card interrupt. +----------------------------------------------------------------*/ +int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len) +{ + int result = 0; + UINT16 *pda = buf; + int pdaok = 0; + int morepdrs = 1; + int currpdr = 0; /* word offset of the current pdr */ + int i; + UINT16 pdrlen; /* pdr length in bytes, host order */ + UINT16 pdrcode; /* pdr code, host order */ + UINT16 crc; + UINT16 pdacrc; + struct pdaloc { + UINT32 cardaddr; + UINT16 auxctl; + } pdaloc[] = + { + { HFA3842_PDA_BASE, HFA384x_AUX_CTL_NV}, + { HFA3842_PDA_BASE, HFA384x_AUX_CTL_EXTDS}, + { HFA3841_PDA_BASE, HFA384x_AUX_CTL_NV}, + { HFA3841_PDA_BASE, HFA384x_AUX_CTL_EXTDS}, + { HFA3841_PDA_BOGUS_BASE, HFA384x_AUX_CTL_NV} + }; + + DBFENTER; + /* Check for aux available */ + result = hfa384x_cmd_aux_enable(hw, 0); + if ( result ) { + WLAN_LOG_DEBUG(1,"aux_enable() failed. result=%d\n", result); + goto failed; + } + + /* Read the pda from each known address. */ + for ( i = 0; i < (sizeof(pdaloc)/sizeof(pdaloc[0])); i++) { + WLAN_LOG_DEBUG( 3, "Checking PDA@(0x%08x,%s)\n", + pdaloc[i].cardaddr, + pdaloc[i].auxctl == HFA384x_AUX_CTL_NV ? + "CTL_NV" : "CTL_EXTDS"); + + /* Copy bufsize bytes from our current pdaloc */ + hfa384x_copy_from_aux(hw, + pdaloc[i].cardaddr, + pdaloc[i].auxctl, + buf, + len); + + /* Test for garbage */ + /* Traverse the PDR list Looking for PDA-END */ + pdaok = 1; /* intially assume good */ + morepdrs = 1; + currpdr = 0; + while ( pdaok && morepdrs ) { + pdrlen = hfa384x2host_16(pda[currpdr]) * 2; + pdrcode = hfa384x2host_16(pda[currpdr+1]); + + /* Test for completion at END record */ + if ( pdrcode == HFA384x_PDR_END_OF_PDA ) { + if ( pdrlen == 4 ) { + morepdrs = 0; + /* Calculate CRC-16 and compare to PDA + * value. Note the addition of 2 words + * for ENDREC.len and ENDREC.code + * fields. + */ + crc = hfa384x_mkcrc16( (UINT8*)pda, + (currpdr + 2) * sizeof(UINT16)); + pdacrc =hfa384x2host_16(pda[currpdr+2]); + if ( crc != pdacrc ) { + WLAN_LOG_DEBUG(3, + "PDA crc failed:" + "calc_crc=0x%04x," + "pdr_crc=0x%04x.\n", + crc, pdacrc); + pdaok = 0; + } + } else { + WLAN_LOG_DEBUG(3, + "END record detected w/ " + "len(%d) != 2, assuming bad PDA\n", + pdrlen); + pdaok = 0; + + } + break; + } + + /* Test the record length */ + if ( pdrlen > HFA384x_PDR_LEN_MAX || pdrlen == 0) { + WLAN_LOG_DEBUG(3, + "pdrlen for address #%d " + "at %#x:%#x:%d\n", + i, pdaloc[i].cardaddr, + pdaloc[i].auxctl, pdrlen); + WLAN_LOG_DEBUG(3,"pdrlen invalid=%d\n", + pdrlen); + pdaok = 0; + break; + } + + /* Move to the next pdr */ + if ( morepdrs ) { + /* note the access to pda[], we need words */ + currpdr += hfa384x2host_16(pda[currpdr]) + 1; + if (currpdr*sizeof(UINT16) > len) { + WLAN_LOG_DEBUG(3, + "Didn't find PDA_END in buffer, " + "trying next location.\n"); + pdaok = 0; + break; + } + } + } + if ( pdaok ) { + WLAN_LOG_INFO( + "PDA Read from 0x%08x in %s space.\n", + pdaloc[i].cardaddr, + pdaloc[i].auxctl == 0 ? "EXTDS" : + pdaloc[i].auxctl == 1 ? "NV" : + pdaloc[i].auxctl == 2 ? "PHY" : + pdaloc[i].auxctl == 3 ? "ICSRAM" : + ""); + break; + } + } + result = pdaok ? 0 : -ENODATA; + + if ( result ) { + WLAN_LOG_DEBUG(3,"Failure: pda is not okay\n"); + } + + hfa384x_cmd_aux_disable(hw); +failed: + DBFEXIT; + return result; +} + + + +/*---------------------------------------------------------------- +* mkpda_crc +* +* Calculates the CRC16 for the given PDA and inserts the value +* into the end record. +* +* Arguments: +* pda ptr to the PDA data structure. +* +* Returns: +* 0 - success +* ~0 - failure (probably an errno) +----------------------------------------------------------------*/ +static UINT16 +hfa384x_mkcrc16(UINT8 *p, int len) +{ + UINT16 crc = 0; + UINT8 *lim = p + len; + + while (p < lim) { + crc = (crc >> 8 ) ^ crc16tab[(crc & 0xff) ^ *p++]; + } + + return crc; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_enable +* +* Begins the ram download state. Checks to see that we're not +* already in a download state and that a port isn't enabled. +* Sets the download state and calls cmd_download with the +* ENABLE_VOLATILE subcommand and the exeaddr argument. +* +* Arguments: +* hw device structure +* exeaddr the card execution address that will be +* jumped to when ramdl_disable() is called +* (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr) +{ + int result = 0; + UINT16 lowaddr; + UINT16 hiaddr; + int i; + DBFENTER; + /* Check that a port isn't active */ + for ( i = 0; i < HFA384x_PORTID_MAX; i++) { + if ( hw->port_enabled[i] ) { + WLAN_LOG_DEBUG(1,"Can't download with a port enabled.\n"); + result = -EINVAL; + goto done; + } + } + + /* Check that we're not already in a download state */ + if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) { + WLAN_LOG_DEBUG(1,"Download state not disabled.\n"); + result = -EINVAL; + goto done; + } + + /* Are we supposed to go into genesis mode? */ + if (exeaddr == 0x3f0000) { + UINT16 initseq[2] = { 0xe100, 0xffa1 }; + UINT16 readbuf[2]; + UINT8 hcr = 0x0f; /* Default to x16 SRAM */ + hw->isram16 = 1; + + WLAN_LOG_DEBUG(1, "Dropping into Genesis mode\n"); + + /* Issue card reset and enable aux port */ + hfa384x_corereset(hw, prism2_reset_holdtime, + prism2_reset_settletime, 0); + hfa384x_cmd_aux_enable(hw, 1); + + /* Genesis set */ + hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + initseq, sizeof(initseq)); + + hfa384x_corereset(hw, prism2_reset_holdtime, + prism2_reset_settletime, hcr); + + /* Validate memory config */ + hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + initseq, sizeof(initseq)); + hfa384x_copy_from_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + readbuf, sizeof(initseq)); + WLAN_HEX_DUMP(3, "readback", readbuf, sizeof(readbuf)); + + if (memcmp(initseq, readbuf, sizeof(readbuf))) { + hcr = 0x1f; /* x8 SRAM */ + hw->isram16 = 0; + + hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + initseq, sizeof(initseq)); + hfa384x_corereset(hw, prism2_reset_holdtime, + prism2_reset_settletime, hcr); + + hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + initseq, sizeof(initseq)); + hfa384x_copy_from_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS, + readbuf, sizeof(initseq)); + WLAN_HEX_DUMP(2, "readback", readbuf, sizeof(readbuf)); + + if (memcmp(initseq, readbuf, sizeof(readbuf))) { + WLAN_LOG_ERROR("Genesis mode failed\n"); + result = -1; + goto done; + } + } + + /* Now we're in genesis mode */ + hw->dlstate = HFA384x_DLSTATE_GENESIS; + goto done; + } + + /* Retrieve the buffer loc&size and timeout */ + if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER, + &(hw->bufinfo), sizeof(hw->bufinfo))) ) { + goto done; + } + hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page); + hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset); + hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len); + if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME, + &(hw->dltimeout))) ) { + goto done; + } + hw->dltimeout = hfa384x2host_16(hw->dltimeout); + + /* Enable the aux port */ + if ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) { + WLAN_LOG_DEBUG(1,"Aux enable failed, result=%d.\n", result); + goto done; + } + + /* Call the download(1,addr) function */ + lowaddr = HFA384x_ADDR_CMD_MKOFF(exeaddr); + hiaddr = HFA384x_ADDR_CMD_MKPAGE(exeaddr); + + result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_RAM, + lowaddr, hiaddr, 0); + if ( result == 0) { + /* Set the download state */ + hw->dlstate = HFA384x_DLSTATE_RAMENABLED; + } else { + WLAN_LOG_DEBUG(1,"cmd_download(0x%04x, 0x%04x) failed, result=%d.\n", + lowaddr,hiaddr, result); + /* Disable the aux port */ + hfa384x_cmd_aux_disable(hw); + } + + done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_disable +* +* Ends the ram download state. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_ramdl_disable(hfa384x_t *hw) +{ + DBFENTER; + /* Check that we're already in the download state */ + if ( ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) && + ( hw->dlstate != HFA384x_DLSTATE_GENESIS ) ) { + return -EINVAL; + } + + if (hw->dlstate == HFA384x_DLSTATE_GENESIS) { + hfa384x_corereset(hw, prism2_reset_holdtime, + prism2_reset_settletime, + hw->isram16 ? 0x07: 0x17); + goto done; + } + + /* Disable the aux port */ + hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0); + + done: + hw->dlstate = HFA384x_DLSTATE_DISABLED; + hfa384x_cmd_aux_disable(hw); + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_write +* +* Performs a RAM download of a chunk of data. First checks to see +* that we're in the RAM download state, then uses the aux functions +* to 1) copy the data, 2) readback and compare. The download +* state is unaffected. When all data has been written using +* this function, call drvr_ramdl_disable() to end the download state +* and restart the MAC. +* +* Arguments: +* hw device structure +* daddr Card address to write to. (host order) +* buf Ptr to data to write. +* len Length of data (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len) +{ + int result = 0; + UINT8 *verbuf; + DBFENTER; + /* Check that we're in the ram download state */ + if ( ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) && + ( hw->dlstate != HFA384x_DLSTATE_GENESIS ) ) { + return -EINVAL; + } + + WLAN_LOG_INFO("Writing %d bytes to ram @0x%06x\n", len, daddr); +#if 0 +WLAN_HEX_DUMP(1, "dldata", buf, len); +#endif + /* Copy the data via the aux port */ + hfa384x_copy_to_aux(hw, daddr, HFA384x_AUX_CTL_EXTDS, buf, len); + + /* Create a buffer for the verify */ + verbuf = kmalloc(len, GFP_KERNEL); + if (verbuf == NULL ) return 1; + + /* Read back and compare */ + hfa384x_copy_from_aux(hw, daddr, HFA384x_AUX_CTL_EXTDS, verbuf, len); + + if ( memcmp(buf, verbuf, len) ) { + WLAN_LOG_DEBUG(1,"ramdl verify failed!\n"); + result = -EINVAL; + } + + kfree_s(verbuf, len); + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_enable +* +* Begins the flash download state. Checks to see that we're not +* already in a download state and that a port isn't enabled. +* Sets the download state and retrieves the flash download +* buffer location, buffer size, and timeout length. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_flashdl_enable(hfa384x_t *hw) +{ + int result = 0; + int i; + + DBFENTER; + /* Check that a port isn't active */ + for ( i = 0; i < HFA384x_PORTID_MAX; i++) { + if ( hw->port_enabled[i] ) { + WLAN_LOG_DEBUG(1,"called when port enabled.\n"); + return -EINVAL; + } + } + + /* Check that we're not already in a download state */ + if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) { + return -EINVAL; + } + + /* Retrieve the buffer loc&size and timeout */ + if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER, + &(hw->bufinfo), sizeof(hw->bufinfo))) ) { + return result; + } + hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page); + hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset); + hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len); + if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME, + &(hw->dltimeout))) ) { + return result; + } + hw->dltimeout = hfa384x2host_16(hw->dltimeout); + + /* Enable the aux port */ + if ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) { + return result; + } + + hw->dlstate = HFA384x_DLSTATE_FLASHENABLED; + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_disable +* +* Ends the flash download state. Note that this will cause the MAC +* firmware to restart. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_flashdl_disable(hfa384x_t *hw) +{ + DBFENTER; + /* Check that we're already in the download state */ + if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) { + return -EINVAL; + } + + /* There isn't much we can do at this point, so I don't */ + /* bother w/ the return value */ + hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0); + hw->dlstate = HFA384x_DLSTATE_DISABLED; + + /* Disable the aux port */ + hfa384x_cmd_aux_disable(hw); + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_write +* +* Performs a FLASH download of a chunk of data. First checks to see +* that we're in the FLASH download state, then sets the download +* mode, uses the aux functions to 1) copy the data to the flash +* buffer, 2) sets the download 'write flash' mode, 3) readback and +* compare. Lather rinse, repeat as many times an necessary to get +* all the given data into flash. +* When all data has been written using this function (possibly +* repeatedly), call drvr_flashdl_disable() to end the download state +* and restart the MAC. +* +* Arguments: +* hw device structure +* daddr Card address to write to. (host order) +* buf Ptr to data to write. +* len Length of data (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_flashdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len) +{ + int result = 0; + UINT8 *verbuf; + UINT32 dlbufaddr; + UINT32 currlen; + UINT32 currdaddr; + UINT16 destlo; + UINT16 desthi; + int nwrites; + int i; + + DBFENTER; + /* Check that we're in the flash download state */ + if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) { + return -EINVAL; + } + + WLAN_LOG_INFO("Download %d bytes to flash @0x%06x\n", len, daddr); + + /* Need a flat address for arithmetic */ + dlbufaddr = HFA384x_ADDR_AUX_MKFLAT( + hw->bufinfo.page, + hw->bufinfo.offset); + verbuf = kmalloc(hw->bufinfo.len, GFP_KERNEL); + +#if 0 +WLAN_LOG_WARNING("dlbuf@0x%06lx len=%d to=%d\n", dlbufaddr, hw->bufinfo.len, hw->dltimeout); +#endif + /* Figure out how many times to to the flash prog */ + nwrites = len / hw->bufinfo.len; + nwrites += (len % hw->bufinfo.len) ? 1 : 0; + + if ( verbuf == NULL ) { + WLAN_LOG_ERROR("Failed to allocate flash verify buffer\n"); + return 1; + } + /* For each */ + for ( i = 0; i < nwrites; i++) { + /* Get the dest address and len */ + currlen = (len - (hw->bufinfo.len * i)) > hw->bufinfo.len ? + hw->bufinfo.len : + (len - (hw->bufinfo.len * i)); + currdaddr = daddr + (hw->bufinfo.len * i); + destlo = HFA384x_ADDR_CMD_MKOFF(currdaddr); + desthi = HFA384x_ADDR_CMD_MKPAGE(currdaddr); + WLAN_LOG_INFO("Writing %d bytes to flash @0x%06x\n", currlen, currdaddr); +#if 0 +WLAN_HEX_DUMP(1, "dldata", buf+(hw->bufinfo.len*i), currlen); +#endif + /* Set the download mode */ + result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NV, + destlo, desthi, currlen); + if ( result ) { + WLAN_LOG_ERROR("download(NV,lo=%x,hi=%x,len=%x) " + "cmd failed, result=%d. Aborting d/l\n", + destlo, desthi, currlen, result); + goto exit_proc; + } + /* copy the data to the flash buffer */ + hfa384x_copy_to_aux(hw, dlbufaddr, HFA384x_AUX_CTL_EXTDS, + buf+(hw->bufinfo.len*i), currlen); + /* set the download 'write flash' mode */ + result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NVWRITE, 0,0,0); + if ( result ) { + WLAN_LOG_ERROR( + "download(NVWRITE,lo=%x,hi=%x,len=%x) " + "cmd failed, result=%d. Aborting d/l\n", + destlo, desthi, currlen, result); + goto exit_proc; + } + /* readback and compare, if fail...bail */ + hfa384x_copy_from_aux(hw, + currdaddr, HFA384x_AUX_CTL_NV, + verbuf, currlen); + + if ( memcmp(buf+(hw->bufinfo.len*i), verbuf, currlen) ) { + return -EINVAL; + } + } + +exit_proc: + /* DOH! This kfree's for you Mark :-) My forehead hurts... */ + kfree(verbuf); + + /* Leave the firmware in the 'post-prog' mode. flashdl_disable will */ + /* actually disable programming mode. Remember, that will cause the */ + /* the firmware to effectively reset itself. */ + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_initialize +* +* Issues the initialize command and sets the hw->state based +* on the result. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_initialize(hfa384x_t *hw) +{ + int result = 0; + int i; + hfa384x_metacmd_t cmd; + + DBFENTER; + + /* we don't want to be interrupted during the reset */ + hfa384x_setreg(hw, 0, HFA384x_INTEN); + hfa384x_setreg(hw, 0xffff, HFA384x_EVACK); + + cmd.cmd = HFA384x_CMDCODE_INIT; + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + if ( result == 0 ) { + for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) { + hw->port_enabled[i] = 0; + } + } + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_commtallies +* +* Send a commtallies inquiry to the MAC. Note that this is an async +* call that will result in an info frame arriving sometime later. +* +* Arguments: +* hw device structure +* +* Returns: +* zero success. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_commtallies( hfa384x_t *hw ) +{ + hfa384x_metacmd_t cmd; + int result; + + DBFENTER; + + cmd.cmd = HFA384x_CMDCODE_INQ; + cmd.parm0 = HFA384x_IT_COMMTALLIES; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_enable +* +* Issues the enable command to enable communications on one of +* the MACs 'ports'. Only macport 0 is valid for stations. +* APs may also enable macports 1-6. Only ports that are currently +* disabled may be enabled. +* +* Arguments: +* hw device structure +* macport MAC port number +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + + DBFENTER; + if ((!hw->isap && macport != 0) || + (hw->isap && !(macport <= HFA384x_PORTID_MAX)) || + (hw->port_enabled[macport]) ){ + result = -EINVAL; + } else { + result = hfa384x_cmd_enable(hw, macport); + if ( result == 0 ) { + hw->port_enabled[macport] = 1; + } + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_enable +* +* Issues the the enable command to enable communications on one of the +* MACs 'ports'. +* +* Arguments: +* hw device structure +* macport MAC port number +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ENABLE) | + HFA384x_CMD_MACPORT_SET(macport); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_disable +* +* Issues the disable command to stop communications on one of +* the MACs 'ports'. Only macport 0 is valid for stations. +* APs may also disable macports 1-6. Only ports that have been +* previously enabled may be disabled. +* +* Arguments: +* hw device structure +* macport MAC port number (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + + DBFENTER; + if ((!hw->isap && macport != 0) || + (hw->isap && !(macport <= HFA384x_PORTID_MAX)) || + !(hw->port_enabled[macport]) ){ + result = -EINVAL; + } else { + result = hfa384x_cmd_disable(hw, macport); + if ( result == 0 ) { + hw->port_enabled[macport] = 0; + } + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_disable +* +* Issues the command to disable a port. +* +* Arguments: +* hw device structure +* macport MAC port number (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DISABLE) | + HFA384x_CMD_MACPORT_SET(macport); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_diagnose +* +* Issues the diagnose command to test the: register interface, +* MAC controller (including loopback), External RAM, Non-volatile +* memory integrity, and synthesizers. Following execution of this +* command, MAC/firmware are in the 'initial state'. Therefore, +* the Initialize command should be issued after successful +* completion of this command. This function may only be called +* when the MAC is in the 'communication disabled' state. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +#define DIAG_PATTERNA ((UINT16)0xaaaa) +#define DIAG_PATTERNB ((UINT16)0x5555) + +int hfa384x_cmd_diagnose(hfa384x_t *hw) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DIAG); + cmd.parm0 = DIAG_PATTERNA; + cmd.parm1 = DIAG_PATTERNB; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_allocate +* +* Issues the allocate command instructing the firmware to allocate +* a 'frame structure buffer' in MAC controller RAM. This command +* does not provide the result, it only initiates one of the f/w's +* asynchronous processes to construct the buffer. When the +* allocation is complete, it will be indicated via the Alloc +* bit in the EvStat register and the FID identifying the allocated +* space will be available from the AllocFID register. Some care +* should be taken when waiting for the Alloc event. If a Tx or +* Notify command w/ Reclaim has been previously executed, it's +* possible the first Alloc event after execution of this command +* will be for the reclaimed buffer and not the one you asked for. +* This case must be handled in the Alloc event handler. +* +* Arguments: +* hw device structure +* len allocation length, must be an even value +* in the range [4-2400]. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_allocate(hfa384x_t *hw, UINT16 len) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + if ( (len % 2) || + len < HFA384x_CMD_ALLOC_LEN_MIN || + len > HFA384x_CMD_ALLOC_LEN_MAX ) { + result = -EINVAL; + } else { + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ALLOC); + cmd.parm0 = len; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_transmit +* +* Instructs the firmware to transmit a frame previously copied +* to a given buffer. This function returns immediately, the Tx +* results are available via the Tx or TxExc events (if the frame +* control bits are set). The reclaim argument specifies if the +* FID passed will be used by the f/w tx process or returned for +* use w/ another transmit command. If reclaim is set, expect an +* Alloc event signalling the availibility of the FID for reuse. +* +* NOTE: hw->cmdlock MUST BE HELD before calling this function! +* +* Arguments: +* hw device structure +* reclaim [0|1] indicates whether the given FID will +* be handed back (via Alloc event) for reuse. +* (host order) +* qos [0-3] Value to put in the QoS field of the +* tx command, identifies a queue to place the +* outgoing frame in. +* (host order) +* fid FID of buffer containing the frame that was +* previously copied to MAC memory via the bap. +* (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* hw->resp0 will contain the FID being used by async tx +* process. If reclaim==0, resp0 will be the same as the fid +* argument. If reclaim==1, resp0 will be the different and +* is the value to watch for in the Tx|TxExc to indicate completion +* of the frame passed in fid. +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_transmit(hfa384x_t *hw, UINT16 reclaim, UINT16 qos, UINT16 fid) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_TX) | + HFA384x_CMD_RECL_SET(reclaim) | + HFA384x_CMD_QOS_SET(qos); + cmd.parm0 = fid; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_clearpersist +* +* Instructs the firmware to clear the persistence bit in a given +* FID. This has the effect of telling the firmware to drop the +* persistent frame. The FID must be one that was previously used +* to transmit a PRST frame. +* +* Arguments: +* hw device structure +* fid FID of the persistent frame (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_clearpersist(hfa384x_t *hw, UINT16 fid) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_CLRPRST); + cmd.parm0 = fid; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_cmd_notify +* +* Sends an info frame to the firmware to alter the behavior +* of the f/w asynch processes. Can only be called when the MAC +* is in the enabled state. +* +* Arguments: +* hw device structure +* reclaim [0|1] indicates whether the given FID will +* be handed back (via Alloc event) for reuse. +* (host order) +* fid FID of buffer containing the frame that was +* previously copied to MAC memory via the bap. +* (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* hw->resp0 will contain the FID being used by async notify +* process. If reclaim==0, resp0 will be the same as the fid +* argument. If reclaim==1, resp0 will be the different. +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid, + void *buf, UINT16 len) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_NOTIFY) | + HFA384x_CMD_RECL_SET(reclaim); + cmd.parm0 = fid; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + + /* Copy the record to FID */ + result = hfa384x_copy_to_bap(hw, HFA384x_BAP_PROC, hw->infofid, 0, buf, len); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_to_bap(%04x, 0, %d) failed, result=0x%x\n", + hw->infofid, len, result); + result = -EIO; + goto failed; + } + + result = hfa384x_docmd_wait(hw, &cmd); + + failed: + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +#if 0 +/*---------------------------------------------------------------- +* hfa384x_cmd_inquiry +* +* Requests an info frame from the firmware. The info frame will +* be delivered asynchronously via the Info event. +* +* Arguments: +* hw device structure +* fid FID of the info frame requested. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int hfa384x_cmd_inquiry(hfa384x_t *hw, UINT16 fid) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_INQ); + cmd.parm0 = fid; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} +#endif + + +/*---------------------------------------------------------------- +* hfa384x_cmd_access +* +* Requests that a given record be copied to/from the record +* buffer. If we're writing from the record buffer, the contents +* must previously have been written to the record buffer via the +* bap. If we're reading into the record buffer, the record can +* be read out of the record buffer after this call. +* +* Arguments: +* hw device structure +* write [0|1] copy the record buffer to the given +* configuration record. (host order) +* rid RID of the record to read/write. (host order) +* buf host side record buffer. Upon return it will +* contain the body portion of the record (minus the +* RID and len). +* len buffer length (in bytes, should match record length) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_access(hfa384x_t *hw, UINT16 write, UINT16 rid, + void* buf, UINT16 len) +{ + int result = 0; + hfa384x_metacmd_t cmd; + hfa384x_rec_t rec; + + DBFENTER; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)) + /* This should NOT be called in interrupt context! */ + if (in_irq()) { + WLAN_LOG_ERROR("Krap, in Interrupt context!"); +#ifdef WLAN_INCLUDE_DEBUG + BUG(); +#endif + } +#endif + spin_lock_bh(&hw->cmdlock); + + if (write) { + rec.rid = host2hfa384x_16(rid); + rec.reclen = host2hfa384x_16((len/2) + 1); /* note conversion to words, +1 for rid field */ + /* write the record */ + result = hfa384x_copy_to_bap4( hw, HFA384x_BAP_PROC, rid, 0, + &rec, sizeof(rec), + buf, len, + NULL, 0, NULL, 0); + if ( result ) { + WLAN_LOG_DEBUG(3,"Failure writing record header+data\n"); + goto fail; + } + + } + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ACCESS) | + HFA384x_CMD_WRITE_SET(write); + cmd.parm0 = rid; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + if ( result ) { + WLAN_LOG_ERROR("Call to hfa384x_docmd_wait failed (%d %d)\n", + result, cmd.result.resp0); + goto fail; + } + + if (!write) { + result = hfa384x_copy_from_bap( hw, HFA384x_BAP_PROC, rid, 0, &rec, sizeof(rec)); + if ( result ) { + WLAN_LOG_DEBUG(3,"Call to hfa384x_copy_from_bap failed\n"); + goto fail; + } + + /* Validate the record length */ + if ( ((hfa384x2host_16(rec.reclen)-1)*2) != len ) { /* note body len calculation in bytes */ + WLAN_LOG_DEBUG(1, "RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n", + rid, len, (hfa384x2host_16(rec.reclen)-1)*2); + result = -ENODATA; + goto fail; + } + + result = hfa384x_copy_from_bap( hw, HFA384x_BAP_PROC, rid, sizeof(rec), buf, len); + + } + + fail: + spin_unlock_bh(&hw->cmdlock); + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_monitor +* +* Enables the 'monitor mode' of the MAC. Here's the description of +* monitor mode that I've received thus far: +* +* "The "monitor mode" of operation is that the MAC passes all +* frames for which the PLCP checks are correct. All received +* MPDUs are passed to the host with MAC Port = 7, with a +* receive status of good, FCS error, or undecryptable. Passing +* certain MPDUs is a violation of the 802.11 standard, but useful +* for a debugging tool." Normal communication is not possible +* while monitor mode is enabled. +* +* Arguments: +* hw device structure +* enable a code (0x0b|0x0f) that enables/disables +* monitor mode. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_MONITOR) | + HFA384x_CMD_AINFO_SET(enable); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_download +* +* Sets the controls for the MAC controller code/data download +* process. The arguments set the mode and address associated +* with a download. Note that the aux registers should be enabled +* prior to setting one of the download enable modes. +* +* Arguments: +* hw device structure +* mode 0 - Disable programming and begin code exec +* 1 - Enable volatile mem programming +* 2 - Enable non-volatile mem programming +* 3 - Program non-volatile section from NV download +* buffer. +* (host order) +* lowaddr +* highaddr For mode 1, sets the high & low order bits of +* the "destination address". This address will be +* the execution start address when download is +* subsequently disabled. +* For mode 2, sets the high & low order bits of +* the destination in NV ram. +* For modes 0 & 3, should be zero. (host order) +* NOTE: these address args are in CMD format +* codelen Length of the data to write in mode 2, +* zero otherwise. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_download(hfa384x_t *hw, UINT16 mode, UINT16 lowaddr, + UINT16 highaddr, UINT16 codelen) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DOWNLD) | + HFA384x_CMD_PROGMODE_SET(mode); + cmd.parm0 = lowaddr; + cmd.parm1 = highaddr; + cmd.parm2 = codelen; + + spin_lock_bh(&hw->cmdlock); + result = hfa384x_dl_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_aux_enable +* +* Goes through the process of enabling the auxilary port. This +* is necessary prior to raw reads/writes to card data space. +* Direct access to the card data space is only used for downloading +* code and debugging. +* Note that a call to this function is required before attempting +* a download. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_aux_enable(hfa384x_t *hw, int force) +{ + int result = -ETIMEDOUT; + unsigned long flags; + UINT32 retries_remaining; + UINT16 reg; + UINT auxen_mirror = hw->auxen; + + DBFENTER; + + /* Check for existing enable */ + if ( hw->auxen ) { + hw->auxen++; + return 0; + } + + /* acquire the lock */ + spin_lock_irqsave( &(hw->cmdlock), flags); + /* wait for cmd register busy bit to clear */ + retries_remaining = 100000; + do { + reg = hfa384x_getreg(hw, HFA384x_CMD); + udelay(10); + } + while (HFA384x_CMD_ISBUSY(reg) && --retries_remaining); + if (retries_remaining != 0) { + /* busy bit clear, it's OK to write to ParamX regs */ + hfa384x_setreg(hw, HFA384x_AUXPW0, + HFA384x_PARAM0); + hfa384x_setreg(hw, HFA384x_AUXPW1, + HFA384x_PARAM1); + hfa384x_setreg(hw, HFA384x_AUXPW2, + HFA384x_PARAM2); + + /* Set the aux enable in the Control register */ + hfa384x_setreg(hw, HFA384x_CONTROL_AUX_DOENABLE, + HFA384x_CONTROL); + + /* Now wait for completion */ + retries_remaining = 100000; + do { + reg = hfa384x_getreg(hw, HFA384x_CONTROL); + udelay(10); + } + while ( ((reg & (BIT14|BIT15)) != HFA384x_CONTROL_AUX_ISENABLED) && + --retries_remaining ); + if (retries_remaining != 0) { + result = 0; + hw->auxen++; + } + } + + /* Force it enabled even if the command failed, if told.. */ + if ((hw->auxen == auxen_mirror) && force) + hw->auxen++; + + spin_unlock_irqrestore( &(hw->cmdlock), flags); + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_aux_disable +* +* Goes through the process of disabling the auxilary port +* enabled with aux_enable(). +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout) +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_cmd_aux_disable(hfa384x_t *hw) +{ + int result = -ETIMEDOUT; + unsigned long timeout; + UINT16 reg = 0; + + DBFENTER; + + /* See if there's more than one enable */ + if (hw->auxen) hw->auxen--; + if (hw->auxen) return 0; + + /* Clear the aux enable in the Control register */ + hfa384x_setreg(hw, 0, HFA384x_PARAM0); + hfa384x_setreg(hw, 0, HFA384x_PARAM1); + hfa384x_setreg(hw, 0, HFA384x_PARAM2); + hfa384x_setreg(hw, HFA384x_CONTROL_AUX_DODISABLE, + HFA384x_CONTROL); + + /* Now wait for completion */ + timeout = jiffies + 1*HZ; + reg = hfa384x_getreg(hw, HFA384x_CONTROL); + while ( ((reg & (BIT14|BIT15)) != HFA384x_CONTROL_AUX_ISDISABLED) && + time_before(jiffies,timeout) ){ + udelay(10); + reg = hfa384x_getreg(hw, HFA384x_CONTROL); + } + if ((reg & (BIT14|BIT15)) == HFA384x_CONTROL_AUX_ISDISABLED ) { + result = 0; + } + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_low_level +* +* Write test commands to the card. Some test commands don't make +* sense without prior set-up. For example, continous TX isn't very +* useful until you set the channel. That functionality should be +* +* Side effects: +* +* Call context: +* process thread +* -----------------------------------------------------------------*/ +int hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd) +{ + int result = 0; + DBFENTER; + + /* Do i need a host2hfa... conversion ? */ +#if 0 + printk(KERN_INFO "%#x %#x %#x %#x\n", cmd->cmd, cmd->parm0, cmd->parm1, cmd->parm2); +#endif + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/* TODO: determine if these will ever be needed */ +#if 0 +int hfa384x_cmd_readmif(hfa384x_t *hw) +{ + DBFENTER; + DBFEXIT; + return 0; +} + + +int hfa384x_cmd_writemif(hfa384x_t *hw) +{ + DBFENTER; + DBFEXIT; + return 0; +} +#endif + +/*---------------------------------------------------------------- +* hfa384x_drvr_mmi_read +* +* Read mmi registers. mmi is intersil-speak for the baseband +* processor registers. +* +* Arguments: +* hw device structure +* register The test register to be accessed (must be even #). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 addr, UINT32 *resp) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + cmd.cmd = (UINT16) 0x30; + cmd.parm0 = (UINT16) addr; + cmd.parm1 = 0; + cmd.parm2 = 0; + + /* Do i need a host2hfa... conversion ? */ + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + *resp = (UINT32) cmd.result.resp0; + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_mmi_write +* +* Read mmi registers. mmi is intersil-speak for the baseband +* processor registers. +* +* Arguments: +* hw device structure +* addr The test register to be accessed (must be even #). +* data The data value to write to the register. +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ + +int +hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 addr, UINT32 data) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + cmd.cmd = (UINT16) 0x31; + cmd.parm0 = (UINT16) addr; + cmd.parm1 = (UINT16) data; + cmd.parm2 = 0; + + WLAN_LOG_DEBUG(1,"mmi write : addr = 0x%08x\n", addr); + WLAN_LOG_DEBUG(1,"mmi write : data = 0x%08x\n", data); + + /* Do i need a host2hfa... conversion ? */ + spin_lock_bh(&hw->cmdlock); + result = hfa384x_docmd_wait(hw, &cmd); + spin_unlock_bh(&hw->cmdlock); + + DBFEXIT; + return result; +} + + +/* TODO: determine if these will ever be needed */ +#if 0 +int hfa384x_cmd_readmif(hfa384x_t *hw) +{ + DBFENTER; + DBFEXIT; + return 0; +} + + +int hfa384x_cmd_writemif(hfa384x_t *hw) +{ + DBFENTER; + DBFEXIT; + return 0; +} +#endif + + + +/*---------------------------------------------------------------- +* hfa384x_copy_from_bap +* +* Copies a collection of bytes from the MAC controller memory via +* one set of BAP registers. +* +* Arguments: +* hw device structure +* bap [0|1] which BAP to use +* id FID or RID, destined for the select register (host order) +* offset An _even_ offset into the buffer for the given +* FID/RID. We haven't the means to validate this, +* so be careful. (host order) +* buf ptr to array of bytes +* len length of data to transfer in bytes +* +* Returns: +* 0 success +* >0 f/w reported failure - value of offset reg. +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +int hfa384x_copy_from_bap(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset, + void *buf, UINT len) +{ + int result = 0; + unsigned long flags = 0; + UINT8 *d = (UINT8*)buf; + UINT selectreg; + UINT offsetreg; + UINT datareg; + UINT i; + UINT16 reg = 0; + + DBFENTER; + + /* Validate bap, offset, buf, and len */ + if ( (bap > 1) || + (offset > HFA384x_BAP_OFFSET_MAX) || + (offset % 2) || + (buf == NULL) || + (len > HFA384x_BAP_DATALEN_MAX) ){ + result = -EINVAL; + } else { + selectreg = (bap == 1) ? HFA384x_SELECT1 : HFA384x_SELECT0 ; + offsetreg = (bap == 1) ? HFA384x_OFFSET1 : HFA384x_OFFSET0 ; + datareg = (bap == 1) ? HFA384x_DATA1 : HFA384x_DATA0 ; + + /* Obtain lock */ + spin_lock_irqsave( &(hw->baplock), flags); + + /* Write id to select reg */ + hfa384x_setreg(hw, id, selectreg); + /* Write offset to offset reg */ + hfa384x_setreg(hw, offset, offsetreg); + /* Wait for offset[busy] to clear (see BAP_TIMEOUT) */ + i = 0; + do { + reg = hfa384x_getreg(hw, offsetreg); + if ( i > 0 ) udelay(10); + i++; + } while ( i < prism2_bap_timeout && HFA384x_OFFSET_ISBUSY(reg)); +#if (WLAN_HOSTIF != WLAN_PCI) + /* Release lock */ + spin_unlock_irqrestore( &(hw->baplock), flags); +#endif + + if ( HFA384x_OFFSET_ISBUSY(reg) ){ + /* If timeout, return -ETIMEDOUT */ + result = reg; + } else if ( HFA384x_OFFSET_ISERR(reg) ){ + /* If offset[err] == 1, return -EINVAL */ + result = reg; + } else { + /* Read even(len) buf contents from data reg */ + for ( i = 0; i < (len & 0xfffe); i+=2 ) { + *(UINT16*)(&(d[i])) = + hfa384x_getreg_noswap(hw, datareg); + } + /* If len odd, handle last byte */ + if ( len % 2 ){ + reg = hfa384x_getreg_noswap(hw, datareg); + d[len-1] = ((UINT8*)(®))[0]; + } + } + + /* According to Intersil errata dated 9/16/02: + + "In PRISM PCI MAC host interface, if both BAPs are concurrently + requesing memory access, both will accept the Ack. There is no + firmware workaround possible. To prevent BAP access failures or + hang conditions the host MUST NOT access both BAPs in sucession + unless at least 5us elapses between accesses. The safest choice + is to USE ONLY ONE BAP for all data movement operations." + + What this means: + + We have to serialize ALL BAP accesses, and furthermore, add a 5us + delay after access if we're using a PCI platform. + + Unfortunately, this means we have to lock out interrupts througout + the entire BAP copy. + + It remains to be seen if "BAP access" means "BAP setup" or the more + literal definition of "copying data back and forth" I'm erring for + the latter, safer definition. -- SLP. + + */ + +#if (WLAN_HOSTIF == WLAN_PCI) + udelay(5); + /* Release lock */ + spin_unlock_irqrestore( &(hw->baplock), flags); +#endif + + } + + if (result) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n", + reg, len, result); + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_copy_to_bap +* +* Copies a collection of bytes to the MAC controller memory via +* one set of BAP registers. +* +* Arguments: +* hw device structure +* bap [0|1] which BAP to use +* id FID or RID, destined for the select register (host order) +* offset An _even_ offset into the buffer for the given +* FID/RID. We haven't the means to validate this, +* so be careful. (host order) +* buf ptr to array of bytes +* len length of data to transfer (in bytes) +* +* Returns: +* 0 success +* >0 f/w reported failure - value of offset reg. +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +int hfa384x_copy_to_bap(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset, + void *buf, UINT len) +{ + return hfa384x_copy_to_bap4(hw, bap, id, offset, buf, len, NULL, 0, NULL, 0, NULL, 0); +} + +int hfa384x_copy_to_bap4(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset, + void *buf, UINT len1, void* buf2, UINT len2, + void *buf3, UINT len3, void *buf4, UINT len4) +{ + int result = 0; + unsigned long flags = 0; + UINT8 *d; + UINT selectreg; + UINT offsetreg; + UINT datareg; + UINT i; + UINT16 reg; + + DBFENTER; + +// printk(KERN_DEBUG "ctb1 %d id %04x o %d %d %d %d %d\n", bap, id, offset, len1, len2, len3, len4); + + /* Validate bap, offset, buf, and len */ + if ( (bap > 1) || + (offset > HFA384x_BAP_OFFSET_MAX) || + (offset % 2) || + (buf == NULL) || + (len1+len2+len3+len4 > HFA384x_BAP_DATALEN_MAX) ){ + result = -EINVAL; + } else { + selectreg = (bap == 1) ? HFA384x_SELECT1 : HFA384x_SELECT0; + offsetreg = (bap == 1) ? HFA384x_OFFSET1 : HFA384x_OFFSET0; + datareg = (bap == 1) ? HFA384x_DATA1 : HFA384x_DATA0; + /* Obtain lock */ + spin_lock_irqsave( &(hw->baplock), flags); + + /* Write id to select reg */ + hfa384x_setreg(hw, id, selectreg); + udelay(10); + /* Write offset to offset reg */ + hfa384x_setreg(hw, offset, offsetreg); + /* Wait for offset[busy] to clear (see BAP_TIMEOUT) */ + i = 0; + do { + reg = hfa384x_getreg(hw, offsetreg); + if ( i > 0 ) udelay(10); + i++; + } while ( i < prism2_bap_timeout && HFA384x_OFFSET_ISBUSY(reg)); + +#if (WLAN_HOSTIF != WLAN_PCI) + /* Release lock */ + spin_unlock_irqrestore( &(hw->baplock), flags); +#endif + + if ( HFA384x_OFFSET_ISBUSY(reg) ){ + /* If timeout, return reg */ + result = reg; + } else if ( HFA384x_OFFSET_ISERR(reg) ){ + /* If offset[err] == 1, return reg */ + result = reg; + } else { + d = (UINT8*)buf; + /* Write even(len1) buf contents to data reg */ + for ( i = 0; i < (len1 & 0xfffe); i+=2 ) { + hfa384x_setreg_noswap(hw, + *(UINT16*)(&(d[i])), datareg); + } + if (len1 & 1) { + UINT16 data; + UINT8 *b = (UINT8 *) &data; + b[0] = d[len1-1]; + if (buf2 != NULL) { + d = (UINT8*)buf2; + b[1] = d[0]; + len2--; + buf2++; + } + hfa384x_setreg_noswap(hw, data, datareg); + } + if ((buf2 != NULL) && (len2 > 0)) { + /* Write even(len2) buf contents to data reg */ + d = (UINT8*)buf2; + for ( i = 0; i < (len2 & 0xfffe); i+=2 ) { + hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg); + } + if (len2 & 1) { + UINT16 data; + UINT8 *b = (UINT8 *) &data; + b[0] = d[len2-1]; + if (buf3 != NULL) { + d = (UINT8*)buf3; + b[1] = d[0]; + len3--; + buf3++; + } + hfa384x_setreg_noswap(hw, data, datareg); + } + } + + if ((buf3 != NULL) && (len3 > 0)) { + /* Write even(len3) buf contents to data reg */ + d = (UINT8*)buf3; + for ( i = 0; i < (len3 & 0xfffe); i+=2 ) { + hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg); + } + if (len3 & 1) { + UINT16 data; + UINT8 *b = (UINT8 *) &data; + b[0] = d[len3-1]; + if (buf4 != NULL) { + d = (UINT8*)buf4; + b[1] = d[0]; + len4--; + buf4++; + } + hfa384x_setreg_noswap(hw, data, datareg); + } + } + if ((buf4 != NULL) && (len4 > 0)) { + /* Write even(len4) buf contents to data reg */ + d = (UINT8*)buf4; + for ( i = 0; i < (len4 & 0xfffe); i+=2 ) { + hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg); + } + if (len4 & 1) { + UINT16 data; + UINT8 *b = (UINT8 *) &data; + b[0] = d[len4-1]; + b[1] = 0; + + hfa384x_setreg_noswap(hw, data, datareg); + } + } +// printk(KERN_DEBUG "ctb2 %d id %04x o %d %d %d %d %d\n", bap, id, offset, len1, len2, len3, len4); + + } + +#if (WLAN_HOSTIF == WLAN_PCI) + udelay(5); + /* Release lock */ + spin_unlock_irqrestore( &(hw->baplock), flags); +#endif + + } + + if (result) + WLAN_LOG_ERROR("copy_to_bap() failed.\n"); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_copy_from_aux +* +* Copies a collection of bytes from the controller memory. The +* Auxiliary port MUST be enabled prior to calling this function. +* We _might_ be in a download state. +* +* Arguments: +* hw device structure +* cardaddr address in hfa384x data space to read +* auxctl address space select +* buf ptr to destination host buffer +* len length of data to transfer (in bytes) +* +* Returns: +* nothing +* +* Side effects: +* buf contains the data copied +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +void +hfa384x_copy_from_aux( + hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len) +{ + UINT16 currpage; + UINT16 curroffset; + UINT i = 0; + + DBFENTER; + + if ( !(hw->auxen) ) { + WLAN_LOG_DEBUG(1, + "Attempt to read 0x%04x when aux not enabled\n", + cardaddr); + return; + + } + /* Build appropriate aux page and offset */ + currpage = HFA384x_AUX_MKPAGE(cardaddr); + curroffset = HFA384x_AUX_MKOFF(cardaddr, auxctl); + hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE); + hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET); + udelay(5); /* beat */ + + /* read the data */ + while ( i < len) { + *((UINT16*)(buf+i)) = hfa384x_getreg_noswap(hw, HFA384x_AUXDATA); + i+=2; + curroffset+=2; + if ( (curroffset&HFA384x_ADDR_AUX_OFF_MASK) > + HFA384x_ADDR_AUX_OFF_MAX ) { + currpage++; + curroffset = 0; + curroffset = HFA384x_AUX_MKOFF(curroffset, auxctl); + hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE); + hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET); + udelay(5); /* beat */ + } + } + /* Make sure the auxctl bits are clear */ + hfa384x_setreg(hw, 0, HFA384x_AUXOFFSET); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_copy_to_aux +* +* Copies a collection of bytes to the controller memory. The +* Auxiliary port MUST be enabled prior to calling this function. +* We _might_ be in a download state. +* +* Arguments: +* hw device structure +* cardaddr address in hfa384x data space to read +* auxctl address space select +* buf ptr to destination host buffer +* len length of data to transfer (in bytes) +* +* Returns: +* nothing +* +* Side effects: +* Controller memory now contains a copy of buf +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +void +hfa384x_copy_to_aux( + hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len) +{ + UINT16 currpage; + UINT16 curroffset; + UINT i = 0; + + DBFENTER; + + if ( !(hw->auxen) ) { + WLAN_LOG_DEBUG(1, + "Attempt to read 0x%04x when aux not enabled\n", + cardaddr); + return; + + } + /* Build appropriate aux page and offset */ + currpage = HFA384x_AUX_MKPAGE(cardaddr); + curroffset = HFA384x_AUX_MKOFF(cardaddr, auxctl); + hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE); + hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET); + udelay(5); /* beat */ + + /* write the data */ + while ( i < len) { + hfa384x_setreg_noswap(hw, + *((UINT16*)(buf+i)), HFA384x_AUXDATA); + i+=2; + curroffset+=2; + if ( curroffset > HFA384x_ADDR_AUX_OFF_MAX ) { + currpage++; + curroffset = 0; + hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE); + hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET); + udelay(5); /* beat */ + } + } + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_wait +* +* Waits for availability of the Command register, then +* issues the given command. Then polls the Evstat register +* waiting for command completion. Timeouts shouldn't be +* possible since we're preventing overlapping commands and all +* commands should be cleared and acknowledged. +* +* Arguments: +* wlandev device structure +* cmd cmd structure. Includes all arguments and result +* data points. All in host order. +* +* Returns: +* 0 success +* -ETIMEDOUT timed out waiting for register ready or +* command completion +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int hfa384x_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd) +{ + int result = -ETIMEDOUT; + UINT16 reg = 0; + UINT16 counter; + + DBFENTER; + + hw->cmdflag = 0; + hw->cmddata = cmd; + + /* wait for the busy bit to clear */ + counter = 0; + reg = hfa384x_getreg(hw, HFA384x_CMD); + while ( HFA384x_CMD_ISBUSY(reg) && + (counter < 10)) { + reg = hfa384x_getreg(hw, HFA384x_CMD); + counter++; + udelay(10); + } + + if (HFA384x_CMD_ISBUSY(reg)) { + WLAN_LOG_ERROR("hfa384x_cmd timeout(1), reg=0x%0hx.\n", reg); + goto failed; + } + if (!HFA384x_CMD_ISBUSY(reg)) { + /* busy bit clear, write command */ + hfa384x_setreg(hw, cmd->parm0, HFA384x_PARAM0); + hfa384x_setreg(hw, cmd->parm1, HFA384x_PARAM1); + hfa384x_setreg(hw, cmd->parm2, HFA384x_PARAM2); + hfa384x_setreg(hw, cmd->cmd, HFA384x_CMD); + +#ifdef CMD_IRQ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0)) + while (! hw->cmdflag) + interruptible_sleep_on(&hw->cmdq); +#else + wait_event_interruptible(hw->cmdq, hw->cmdflag); +#endif + result = HFA384x_STATUS_RESULT_GET(cmd->status); +#else // CMD_IRQ + /* Now wait for completion */ + counter = 0; + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + /* Initialization is the problem. It takes about + 100ms. "normal" commands are typically is about + 200-400 us (I've never seen less than 200). Longer + is better so that we're not hammering the bus. */ + while ( !HFA384x_EVSTAT_ISCMD(reg) && + (counter < 5000)) { + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + counter++; + udelay(200); + } + + if ( HFA384x_EVSTAT_ISCMD(reg) ) { + result = 0; + cmd->result.status = hfa384x_getreg(hw, HFA384x_STATUS); + cmd->result.resp0 = hfa384x_getreg(hw, HFA384x_RESP0); + cmd->result.resp1 = hfa384x_getreg(hw, HFA384x_RESP1); + cmd->result.resp2 = hfa384x_getreg(hw, HFA384x_RESP2); + hfa384x_setreg(hw, HFA384x_EVACK_CMD, + HFA384x_EVACK); + result = HFA384x_STATUS_RESULT_GET(cmd->result.status); + } else { + WLAN_LOG_ERROR("hfa384x_cmd timeout(2), reg=0x%0hx.\n", reg); + } +#endif /* CMD_IRQ */ + } + + failed: + hw->cmdflag = 0; + hw->cmddata = NULL; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_dl_docmd_wait +* +* Waits for availability of the Command register, then +* issues the given command. Then polls the Evstat register +* waiting for command completion. Timeouts shouldn't be +* possible since we're preventing overlapping commands and all +* commands should be cleared and acknowledged. +* +* This routine is only used for downloads. Since it doesn't lock out +* interrupts the system response is much better. +* +* Arguments: +* wlandev device structure +* cmd cmd structure. Includes all arguments and result +* data points. All in host order. +* +* Returns: +* 0 success +* -ETIMEDOUT timed out waiting for register ready or +* command completion +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int hfa384x_dl_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd) +{ + int result = -ETIMEDOUT; + unsigned long timeout; + UINT16 reg = 0; + + DBFENTER; + /* wait for the busy bit to clear */ + timeout = jiffies + 1*HZ; + reg = hfa384x_getreg(hw, HFA384x_CMD); + while ( HFA384x_CMD_ISBUSY(reg) && time_before( jiffies, timeout) ) { + reg = hfa384x_getreg(hw, HFA384x_CMD); + udelay(10); + } + if (HFA384x_CMD_ISBUSY(reg)) { + WLAN_LOG_WARNING("Timed out waiting for cmd register.\n"); + goto failed; + } + + if (!HFA384x_CMD_ISBUSY(reg)) { + /* busy bit clear, write command */ + hfa384x_setreg(hw, cmd->parm0, HFA384x_PARAM0); + hfa384x_setreg(hw, cmd->parm1, HFA384x_PARAM1); + hfa384x_setreg(hw, cmd->parm2, HFA384x_PARAM2); + hfa384x_setreg(hw, cmd->cmd, HFA384x_CMD); + + /* Now wait for completion */ + if ( (HFA384x_CMD_CMDCODE_GET(cmd->cmd) == HFA384x_CMDCODE_DOWNLD) ) { + /* dltimeout is in ms */ + timeout = (((UINT32)hw->dltimeout) / 1000UL) * HZ; + if ( timeout > 0 ) { + timeout += jiffies; + } else { + timeout = jiffies + 1*HZ; + } + } else { + timeout = jiffies + 1*HZ; + } + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + while ( !HFA384x_EVSTAT_ISCMD(reg) && time_before(jiffies,timeout) ) { + udelay(100); + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + } + if ( HFA384x_EVSTAT_ISCMD(reg) ) { + result = 0; + cmd->result.status = hfa384x_getreg(hw, HFA384x_STATUS); + cmd->result.resp0 = hfa384x_getreg(hw, HFA384x_RESP0); + cmd->result.resp1 = hfa384x_getreg(hw, HFA384x_RESP1); + cmd->result.resp2 = hfa384x_getreg(hw, HFA384x_RESP2); + hfa384x_setreg(hw, HFA384x_EVACK_CMD, HFA384x_EVACK); + result = HFA384x_STATUS_RESULT_GET(cmd->result.status); + } + } + +failed: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_start +* +* Issues the MAC initialize command, sets up some data structures, +* and enables the interrupts. After this function completes, the +* low-level stuff should be ready for any/all commands. +* +* Arguments: +* hw device structure +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_start(hfa384x_t *hw) +{ + int result = 0; + UINT16 reg; + int i; + int j; + DBFENTER; + + /* call initialize */ + result = hfa384x_cmd_initialize(hw); + if (result != 0) { + WLAN_LOG_ERROR("Initialize command failed.\n"); + goto failed; + } + + /* make sure interrupts are disabled and any layabout events cleared */ + hfa384x_setreg(hw, 0, HFA384x_INTEN); + hfa384x_setreg(hw, 0xffff, HFA384x_EVACK); + + hw->txfid_head = 0; + hw->txfid_tail = 0; + hw->txfid_N = HFA384x_DRVR_FIDSTACKLEN_MAX; + memset(hw->txfid_queue, 0, sizeof(hw->txfid_queue)); + + /* Allocate tx and notify FIDs */ + /* First, tx */ + for ( i = 0; i < HFA384x_DRVR_FIDSTACKLEN_MAX-1; i++) { + result = hfa384x_cmd_allocate(hw, HFA384x_DRVR_TXBUF_MAX); + if (result != 0) { + WLAN_LOG_ERROR("Allocate(tx) command failed.\n"); + goto failed; + } + j = 0; + do { + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + udelay(10); + j++; + } while ( !HFA384x_EVSTAT_ISALLOC(reg) && j < 50); /* 50 is timeout */ + if ( j >= 50 ) { + WLAN_LOG_ERROR("Timed out waiting for evalloc(tx).\n"); + result = -ETIMEDOUT; + goto failed; + } + reg = hfa384x_getreg(hw, HFA384x_ALLOCFID); + + txfid_queue_add(hw, reg); + + WLAN_LOG_DEBUG(4,"hw->txfid_queue[%d]=0x%04x\n",i,reg); + + reg = HFA384x_EVACK_ALLOC_SET(1); + hfa384x_setreg(hw, reg, HFA384x_EVACK); + + } + + /* Now, the info frame fid */ + result = hfa384x_cmd_allocate(hw, HFA384x_INFOFRM_MAXLEN); + if (result != 0) { + WLAN_LOG_ERROR("Allocate(tx) command failed.\n"); + goto failed; + } + i = 0; + do { + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + udelay(10); + i++; + } while ( !HFA384x_EVSTAT_ISALLOC(reg) && i < 50); /* 50 is timeout */ + if ( i >= 50 ) { + WLAN_LOG_ERROR("Timed out waiting for evalloc(info).\n"); + result = -ETIMEDOUT; + goto failed; + } + hw->infofid = hfa384x_getreg(hw, HFA384x_ALLOCFID); + reg = HFA384x_EVACK_ALLOC_SET(1); + hfa384x_setreg(hw, reg, HFA384x_EVACK); + WLAN_LOG_DEBUG(4,"hw->infofid=0x%04x\n", hw->infofid); + + /* Set swsupport regs to magic # for card presence detection */ + hfa384x_setreg(hw, HFA384x_DRVR_MAGIC, HFA384x_SWSUPPORT0); + + /* Now enable the interrupts and set the running state */ + hfa384x_setreg(hw, 0xffff, HFA384x_EVSTAT); + hfa384x_events_all(hw); + + hw->state = HFA384x_STATE_RUNNING; + + goto done; +failed: + WLAN_LOG_ERROR("Failed, result=%d\n", result); +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_stop +* +* Issues the initialize command to leave us in the 'reset' state. +* +* Arguments: +* hw device structure +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_stop(hfa384x_t *hw) +{ + int result = 0; + int i; + DBFENTER; + + del_timer_sync(&hw->commsqual_timer); + + if ( hw->wlandev->hwremoved ) { + /* only flush when we're shutting down for good */ + flush_scheduled_work(); + } + + if (hw->state == HFA384x_STATE_RUNNING) { + /* + * Send the MAC initialize cmd. + */ + hfa384x_cmd_initialize(hw); + + /* + * Make absolutely sure interrupts are disabled and any + * layabout events cleared + */ + hfa384x_setreg(hw, 0, HFA384x_INTEN); + hfa384x_setreg(hw, 0xffff, HFA384x_EVACK); + } + + tasklet_kill(&hw->bap_tasklet); + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + hw->state = HFA384x_STATE_INIT; + + /* Clear all the port status */ + for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) { + hw->port_enabled[i] = 0; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_txframe +* +* Takes a frame from prism2sta and queues it for transmission. +* +* Arguments: +* hw device structure +* skb packet buffer struct. Contains an 802.11 +* data frame. +* p80211_hdr points to the 802.11 header for the packet. +* Returns: +* 0 Success and more buffs available +* 1 Success but no more buffs +* 2 Allocation failure +* 3 MAC Tx command failed +* 4 Buffer full or queue busy +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +int hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep) +{ + hfa384x_tx_frame_t txdesc; + UINT16 macq = 0; + UINT16 fid; + int result; + + DBFENTER; + + /* Build Tx frame structure */ + /* Set up the control field */ + memset(&txdesc, 0, sizeof(txdesc)); + +/* Tx complete and Tx exception disable per dleach. Might be causing + * buf depletion + */ +#define DOBOTH 1 +#if DOBOTH + txdesc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(1); +#elif DOEXC + txdesc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(0); +#else + txdesc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(0) | HFA384x_TX_TXOK_SET(0); +#endif + + /* if we're using host WEP, increase size by IV+ICV */ + if (p80211_wep->data) { + txdesc.data_len = host2hfa384x_16(skb->len+8); + // txdesc.tx_control |= HFA384x_TX_NOENCRYPT_SET(1); + } else { + txdesc.data_len = host2hfa384x_16(skb->len); + } + + txdesc.tx_control = host2hfa384x_16(txdesc.tx_control); + /* copy the header over to the txdesc */ + memcpy(&(txdesc.frame_control), p80211_hdr, sizeof(p80211_hdr_t)); + + /* Since tbusy is set whenever the stack is empty, there should + * always be something on the stack if we get to this point. + * [MSM]: NOT TRUE!!!!! so I added the test of fid below. + */ + + /* Allocate FID */ + + fid = txfid_queue_remove(hw); + + if ( fid == 0 ) { /* stack or queue was empty */ + return 4; + } + + /* now let's get the cmdlock */ + spin_lock(&hw->cmdlock); + + /* Copy descriptor+payload to FID */ + if (p80211_wep->data) { + result = hfa384x_copy_to_bap4(hw, HFA384x_BAP_PROC, fid, 0, + &txdesc, sizeof(txdesc), + p80211_wep->iv, sizeof(p80211_wep->iv), + p80211_wep->data, skb->len, + p80211_wep->icv, sizeof(p80211_wep->icv)); + } else { + result = hfa384x_copy_to_bap4(hw, HFA384x_BAP_PROC, fid, 0, + &txdesc, sizeof(txdesc), + skb->data, skb->len, + NULL, 0, NULL, 0); + } + + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_to_bap(%04x, %d, %d) failed, result=0x%x\n", + fid, + sizeof(txdesc), + skb->len, + result); + + /* put the fid back in the queue */ + txfid_queue_add(hw, fid); + + result = 3; + goto failed; + } + + /* Issue Tx command */ + result = hfa384x_cmd_transmit(hw, HFA384x_TXCMD_RECL, macq, fid); + + if ( result != 0 ) { + txfid_queue_add(hw, fid); + + WLAN_LOG_DEBUG(1,"cmd_tx(%04x) failed, result=%d\n", + fid, result); + result = 3; + goto failed; + } + + /* indicate we haven't any buffers, int_alloc will clear */ + result = txfid_queue_empty(hw); +failed: + + spin_unlock(&hw->cmdlock); + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_interrupt +* +* Driver interrupt handler. +* +* Arguments: +* irq irq number +* dev_id pointer to the device +* regs registers +* +* Returns: +* nothing +* +* Side effects: +* May result in a frame being passed up the stack or an info +* frame being handled. +* +* Call context: +* Ummm, could it be interrupt? +----------------------------------------------------------------*/ +irqreturn_t hfa384x_interrupt(int irq, void *dev_id PT_REGS) +{ + int reg; + wlandevice_t *wlandev = (wlandevice_t*)dev_id; + hfa384x_t *hw = wlandev->priv; + int ev_read = 0; + DBFENTER; + + if (!wlandev || wlandev->hwremoved) + return IRQ_NONE; /* Not much we can do w/o hardware */ +#if (WLAN_HOSTIF == WLAN_PCMCIA) + if (hw->iobase == 0) /* XXX FIXME Properly */ + return IRQ_NONE; +#endif + + for (;;ev_read++) { + if (ev_read >= prism2_irq_evread_max) + break; + + /* Check swsupport reg magic # for card presence */ + reg = hfa384x_getreg(hw, HFA384x_SWSUPPORT0); + if ( reg != HFA384x_DRVR_MAGIC) { + WLAN_LOG_DEBUG(2, "irq=%d, no magic. Card removed?.\n", irq); + break; + } + + /* read the EvStat register for interrupt enabled events */ + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + + /* AND with the enabled interrupts */ + reg &= hfa384x_getreg(hw, HFA384x_INTEN); + + /* Handle the events */ + if ( HFA384x_EVSTAT_ISWTERR(reg) ){ + WLAN_LOG_ERROR( + "Error: WTERR interrupt received (unhandled).\n"); + hfa384x_setreg(hw, HFA384x_EVACK_WTERR_SET(1), + HFA384x_EVACK); + } + + if ( HFA384x_EVSTAT_ISINFDROP(reg) ){ + hfa384x_int_infdrop(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_INFDROP_SET(1), + HFA384x_EVACK); + } + + if (HFA384x_EVSTAT_ISBAP_OP(reg)) { + /* Disable the BAP interrupts */ + hfa384x_events_nobap(hw); + tasklet_schedule(&hw->bap_tasklet); + } + + if ( HFA384x_EVSTAT_ISALLOC(reg) ){ + hfa384x_int_alloc(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_ALLOC_SET(1), + HFA384x_EVACK); + } + + if ( HFA384x_EVSTAT_ISDTIM(reg) ){ + hfa384x_int_dtim(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_DTIM_SET(1), + HFA384x_EVACK); + } +#ifdef CMD_IRQ + if ( HFA384x_EVSTAT_ISCMD(reg) ){ + hfa384x_int_cmd(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_CMD_SET(1), + HFA384x_EVACK); + } +#endif + + /* allow the evstat to be updated after the evack */ + udelay(20); + } + + DBFEXIT; + return IRQ_HANDLED; +} + +#ifdef CMD_IRQ +/*---------------------------------------------------------------- +* hfa384x_int_cmd +* +* Handles command completion event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void hfa384x_int_cmd(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + DBFENTER; + + // check to make sure it's the right command? + if (hw->cmddata) { + hw->cmddata->status = hfa384x_getreg(hw, HFA384x_STATUS); + hw->cmddata->resp0 = hfa384x_getreg(hw, HFA384x_RESP0); + hw->cmddata->resp1 = hfa384x_getreg(hw, HFA384x_RESP1); + hw->cmddata->resp2 = hfa384x_getreg(hw, HFA384x_RESP2); + } + hw->cmdflag = 1; + + printk(KERN_INFO "um. int_cmd\n"); + + wake_up_interruptible(&hw->cmdq); + + // XXXX perform a bap copy too? + + DBFEXIT; + return; +} +#endif + +/*---------------------------------------------------------------- +* hfa384x_int_dtim +* +* Handles the DTIM early warning event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_int_dtim(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = wlandev->priv; +#endif + DBFENTER; + prism2sta_ev_dtim(wlandev); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_int_infdrop +* +* Handles the InfDrop event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_int_infdrop(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = wlandev->priv; +#endif + DBFENTER; + prism2sta_ev_infdrop(wlandev); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_int_info +* +* Handles the Info event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* tasklet +----------------------------------------------------------------*/ +static void hfa384x_int_info(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + UINT16 reg; + hfa384x_InfFrame_t inf; + int result; + DBFENTER; + /* Retrieve the FID */ + reg = hfa384x_getreg(hw, HFA384x_INFOFID); + + /* Retrieve the length */ + result = hfa384x_copy_from_bap( hw, + HFA384x_BAP_INT, reg, 0, &inf.framelen, sizeof(UINT16)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n", + reg, sizeof(inf), result); + goto failed; + } + inf.framelen = hfa384x2host_16(inf.framelen); + + /* Retrieve the rest */ + result = hfa384x_copy_from_bap( hw, + HFA384x_BAP_INT, reg, sizeof(UINT16), + &(inf.infotype), inf.framelen * sizeof(UINT16)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n", + reg, sizeof(inf), result); + goto failed; + } + + prism2sta_ev_info(wlandev, &inf); +failed: + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_int_txexc +* +* Handles the TxExc event. A Transmit Exception event indicates +* that the MAC's TX process was unsuccessful - so the packet did +* not get transmitted. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* tasklet +----------------------------------------------------------------*/ +static void hfa384x_int_txexc(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + UINT16 status; + UINT16 fid; + int result = 0; + DBFENTER; + /* Collect the status and display */ + fid = hfa384x_getreg(hw, HFA384x_TXCOMPLFID); + result = hfa384x_copy_from_bap(hw, HFA384x_BAP_INT, fid, 0, &status, sizeof(status)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n", + fid, sizeof(status), result); + goto failed; + } + status = hfa384x2host_16(status); + prism2sta_ev_txexc(wlandev, status); +failed: + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_int_tx +* +* Handles the Tx event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* tasklet +----------------------------------------------------------------*/ +static void hfa384x_int_tx(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + UINT16 fid; + UINT16 status; + int result = 0; + DBFENTER; + fid = hfa384x_getreg(hw, HFA384x_TXCOMPLFID); + result = hfa384x_copy_from_bap(hw, HFA384x_BAP_INT, fid, 0, &status, sizeof(status)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n", + fid, sizeof(status), result); + goto failed; + } + status = hfa384x2host_16(status); + prism2sta_ev_tx(wlandev, status); +failed: + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* hfa384x_int_rx +* +* Handles the Rx event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* tasklet +----------------------------------------------------------------*/ +static void hfa384x_int_rx(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + UINT16 rxfid; + hfa384x_rx_frame_t rxdesc; + int result; + int hdrlen; + UINT16 fc; + p80211_rxmeta_t *rxmeta; + struct sk_buff *skb = NULL; + UINT8 *datap; + + DBFENTER; + + /* Get the FID */ + rxfid = hfa384x_getreg(hw, HFA384x_RXFID); + /* Get the descriptor (including headers) */ + result = hfa384x_copy_from_bap(hw, + HFA384x_BAP_INT, + rxfid, + 0, + &rxdesc, + sizeof(rxdesc)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, %d, %d) failed, result=0x%x\n", + rxfid, + 0, + sizeof(rxdesc), + result); + goto done; + } + + /* Byte order convert once up front. */ + rxdesc.status = hfa384x2host_16(rxdesc.status); + rxdesc.time = hfa384x2host_32(rxdesc.time); + + /* drop errors and whatnot in promisc mode */ + if (( wlandev->netdev->flags & IFF_PROMISC ) && + (HFA384x_RXSTATUS_ISFCSERR(rxdesc.status) || + HFA384x_RXSTATUS_ISUNDECR(rxdesc.status))) + goto done; + + /* Now handle frame based on port# */ + switch( HFA384x_RXSTATUS_MACPORT_GET(rxdesc.status) ) + { + case 0: + + fc = ieee2host16(rxdesc.frame_control); + + /* If exclude and we receive an unencrypted, drop it */ + if ( (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) && + !WLAN_GET_FC_ISWEP(fc)) { + goto done; + } + + hdrlen = p80211_headerlen(fc); + + /* Allocate the buffer, note CRC (aka FCS). pballoc */ + /* assumes there needs to be space for one */ + skb = dev_alloc_skb(hfa384x2host_16(rxdesc.data_len) + hdrlen + WLAN_CRC_LEN + 2); /* a little extra */ + + if ( ! skb ) { + WLAN_LOG_ERROR("alloc_skb failed.\n"); + goto done; + } + + skb->dev = wlandev->netdev; + + /* theoretically align the IP header on a 32-bit word. */ + if ( hdrlen == WLAN_HDR_A4_LEN ) + skb_reserve(skb, 2); + + /* Copy the 802.11 hdr to the buffer */ + datap = skb_put(skb, WLAN_HDR_A3_LEN); + memcpy(datap, &rxdesc.frame_control, WLAN_HDR_A3_LEN); + + /* Snag the A4 address if present */ + if (hdrlen == WLAN_HDR_A4_LEN) { + datap = skb_put(skb, WLAN_ADDR_LEN); + memcpy(datap, &rxdesc.address4, WLAN_HDR_A3_LEN); + } + + /* we can convert the data_len as we passed the original on */ + rxdesc.data_len = hfa384x2host_16(rxdesc.data_len); + + /* Copy the payload data to the buffer */ + if ( rxdesc.data_len > 0 ) { + datap = skb_put(skb, rxdesc.data_len); + result = hfa384x_copy_from_bap(hw, + HFA384x_BAP_INT, rxfid, HFA384x_RX_DATA_OFF, + datap, rxdesc.data_len); + if ( result ) { + WLAN_LOG_DEBUG(1, + "copy_from_bap(0x%04x, %d, %d) failed, result=0x%x\n", + rxfid, + HFA384x_RX_DATA_OFF, + rxdesc.data_len, + result); + goto failed; + } + } + /* the prism2 cards don't return the FCS */ + datap = skb_put(skb, WLAN_CRC_LEN); + memset (datap, 0xff, WLAN_CRC_LEN); + skb_reset_mac_header(skb); + + /* Attach the rxmeta, set some stuff */ + p80211skb_rxmeta_attach(wlandev, skb); + rxmeta = P80211SKB_RXMETA(skb); + rxmeta->mactime = rxdesc.time; + rxmeta->rxrate = rxdesc.rate; + rxmeta->signal = rxdesc.signal - hw->dbmadjust; + rxmeta->noise = rxdesc.silence - hw->dbmadjust; + + prism2sta_ev_rx(wlandev, skb); + goto done; + case 7: + + if ( ! HFA384x_RXSTATUS_ISFCSERR(rxdesc.status) ) { + hfa384x_int_rxmonitor( wlandev, rxfid, &rxdesc); + } else { + WLAN_LOG_DEBUG(3,"Received monitor frame: FCSerr set\n"); + } + goto done; + + default: + + WLAN_LOG_WARNING("Received frame on unsupported port=%d\n", + HFA384x_RXSTATUS_MACPORT_GET(rxdesc.status) ); + goto done; + } + + failed: + dev_kfree_skb(skb); + + done: + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_int_rxmonitor +* +* Helper function for int_rx. Handles monitor frames. +* Note that this function allocates space for the FCS and sets it +* to 0xffffffff. The hfa384x doesn't give us the FCS value but the +* higher layers expect it. 0xffffffff is used as a flag to indicate +* the FCS is bogus. +* +* Arguments: +* wlandev wlan device structure +* rxfid received FID +* rxdesc rx descriptor read from card in int_rx +* +* Returns: +* nothing +* +* Side effects: +* Allocates an skb and passes it up via the PF_PACKET interface. +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_int_rxmonitor( wlandevice_t *wlandev, UINT16 rxfid, + hfa384x_rx_frame_t *rxdesc) +{ + hfa384x_t *hw = wlandev->priv; + UINT hdrlen = 0; + UINT datalen = 0; + UINT skblen = 0; + UINT truncated = 0; + UINT8 *datap; + UINT16 fc; + struct sk_buff *skb; + + DBFENTER; + /* Don't forget the status, time, and data_len fields are in host order */ + /* Figure out how big the frame is */ + fc = ieee2host16(rxdesc->frame_control); + hdrlen = p80211_headerlen(fc); + datalen = hfa384x2host_16(rxdesc->data_len); + + /* Allocate an ind message+framesize skb */ + skblen = sizeof(p80211msg_lnxind_wlansniffrm_t) + + hdrlen + datalen + WLAN_CRC_LEN; + + /* sanity check the length */ + if ( skblen > + (sizeof(p80211msg_lnxind_wlansniffrm_t) + + WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) ) { + WLAN_LOG_DEBUG(1, "overlen frm: len=%d\n", + skblen - sizeof(p80211msg_lnxind_wlansniffrm_t)); + } + + if ( (skb = dev_alloc_skb(skblen)) == NULL ) { + WLAN_LOG_ERROR("alloc_skb failed trying to allocate %d bytes\n", skblen); + return; + } + + /* only prepend the prism header if in the right mode */ + if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) && + (hw->sniffhdr == 0)) { + p80211msg_lnxind_wlansniffrm_t *msg; + datap = skb_put(skb, sizeof(p80211msg_lnxind_wlansniffrm_t)); + msg = (p80211msg_lnxind_wlansniffrm_t*) datap; + + /* Initialize the message members */ + msg->msgcode = DIDmsg_lnxind_wlansniffrm; + msg->msglen = sizeof(p80211msg_lnxind_wlansniffrm_t); + strcpy(msg->devname, wlandev->name); + + msg->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime; + msg->hosttime.status = 0; + msg->hosttime.len = 4; + msg->hosttime.data = jiffies; + + msg->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime; + msg->mactime.status = 0; + msg->mactime.len = 4; + msg->mactime.data = rxdesc->time * 1000; + + msg->channel.did = DIDmsg_lnxind_wlansniffrm_channel; + msg->channel.status = 0; + msg->channel.len = 4; + msg->channel.data = hw->sniff_channel; + + msg->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi; + msg->rssi.status = P80211ENUM_msgitem_status_no_value; + msg->rssi.len = 4; + msg->rssi.data = 0; + + msg->sq.did = DIDmsg_lnxind_wlansniffrm_sq; + msg->sq.status = P80211ENUM_msgitem_status_no_value; + msg->sq.len = 4; + msg->sq.data = 0; + + msg->signal.did = DIDmsg_lnxind_wlansniffrm_signal; + msg->signal.status = 0; + msg->signal.len = 4; + msg->signal.data = rxdesc->signal; + + msg->noise.did = DIDmsg_lnxind_wlansniffrm_noise; + msg->noise.status = 0; + msg->noise.len = 4; + msg->noise.data = rxdesc->silence; + + msg->rate.did = DIDmsg_lnxind_wlansniffrm_rate; + msg->rate.status = 0; + msg->rate.len = 4; + msg->rate.data = rxdesc->rate / 5; /* set to 802.11 units */ + + msg->istx.did = DIDmsg_lnxind_wlansniffrm_istx; + msg->istx.status = 0; + msg->istx.len = 4; + msg->istx.data = P80211ENUM_truth_false; + + msg->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen; + msg->frmlen.status = 0; + msg->frmlen.len = 4; + msg->frmlen.data = hdrlen + datalen + WLAN_CRC_LEN; + } else if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) && + (hw->sniffhdr != 0)) { + p80211_caphdr_t *caphdr; + /* The NEW header format! */ + datap = skb_put(skb, sizeof(p80211_caphdr_t)); + caphdr = (p80211_caphdr_t*) datap; + + caphdr->version = htonl(P80211CAPTURE_VERSION); + caphdr->length = htonl(sizeof(p80211_caphdr_t)); + caphdr->mactime = __cpu_to_be64(rxdesc->time); + caphdr->hosttime = __cpu_to_be64(jiffies); + caphdr->phytype = htonl(4); /* dss_dot11_b */ + caphdr->channel = htonl(hw->sniff_channel); + caphdr->datarate = htonl(rxdesc->rate); + caphdr->antenna = htonl(0); /* unknown */ + caphdr->priority = htonl(0); /* unknown */ + caphdr->ssi_type = htonl(3); /* rssi_raw */ + caphdr->ssi_signal = htonl(rxdesc->signal); + caphdr->ssi_noise = htonl(rxdesc->silence); + caphdr->preamble = htonl(0); /* unknown */ + caphdr->encoding = htonl(1); /* cck */ + } + /* Copy the 802.11 header to the skb (ctl frames may be less than a full header) */ + datap = skb_put(skb, hdrlen); + memcpy( datap, &(rxdesc->frame_control), hdrlen); + + /* If any, copy the data from the card to the skb */ + if ( datalen > 0 ) + { + /* Truncate the packet if the user wants us to */ + UINT dataread = datalen; + if(hw->sniff_truncate > 0 && dataread > hw->sniff_truncate) { + dataread = hw->sniff_truncate; + truncated = 1; + } + + datap = skb_put(skb, dataread); + hfa384x_copy_from_bap(hw, + HFA384x_BAP_INT, rxfid, HFA384x_RX_DATA_OFF, + datap, dataread); + + /* check for unencrypted stuff if WEP bit set. */ + if (*(datap - hdrlen + 1) & 0x40) // wep set + if ((*(datap) == 0xaa) && (*(datap+1) == 0xaa)) + *(datap - hdrlen + 1) &= 0xbf; // clear wep; it's the 802.2 header! + } + + if (!truncated && hw->sniff_fcs) { + /* Set the FCS */ + datap = skb_put(skb, WLAN_CRC_LEN); + memset( datap, 0xff, WLAN_CRC_LEN); + } + + /* pass it back up */ + prism2sta_ev_rx(wlandev, skb); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* hfa384x_int_alloc +* +* Handles the Alloc event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_int_alloc(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + UINT16 fid; + INT16 result; + + DBFENTER; + + /* Handle the reclaimed FID */ + /* collect the FID and push it onto the stack */ + fid = hfa384x_getreg(hw, HFA384x_ALLOCFID); + + if ( fid != hw->infofid ) { /* It's a transmit fid */ + WLAN_LOG_DEBUG(5, "int_alloc(%#x)\n", fid); + result = txfid_queue_add(hw, fid); + if (result != -1) { + prism2sta_ev_alloc(wlandev); + WLAN_LOG_DEBUG(5, "q_add.\n"); + } else { + WLAN_LOG_DEBUG(5, "q_full.\n"); + } + } else { + /* unlock the info fid */ + up(&hw->infofid_sem); + } + + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_handover +* +* Sends a handover notification to the MAC. +* +* Arguments: +* hw device structure +* addr address of station that's left +* +* Returns: +* zero success. +* -ERESTARTSYS received signal while waiting for semaphore. +* -EIO failed to write to bap, or failed in cmd. +* +* Side effects: +* +* Call context: +* process thread, NOTE: this call may block on a semaphore! +----------------------------------------------------------------*/ +int hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr) +{ + int result = 0; + hfa384x_HandoverAddr_t rec; + UINT len; + DBFENTER; + + /* Acquire the infofid */ + if ( down_interruptible(&hw->infofid_sem) ) { + result = -ERESTARTSYS; + goto failed; + } + + /* Set up the record */ + len = sizeof(hfa384x_HandoverAddr_t); + rec.framelen = host2hfa384x_16(len/2 - 1); + rec.infotype = host2hfa384x_16(HFA384x_IT_HANDOVERADDR); + memcpy(rec.handover_addr, addr, sizeof(rec.handover_addr)); + + /* Issue the command */ + result = hfa384x_cmd_notify(hw, 1, hw->infofid, &rec, len); + + if ( result != 0 ) { + WLAN_LOG_DEBUG(1,"cmd_notify(%04x) failed, result=%d", + hw->infofid, result); + result = -EIO; + goto failed; + } + +failed: + DBFEXIT; + return result; +} + +void hfa384x_tx_timeout(wlandevice_t *wlandev) +{ + DBFENTER; + + WLAN_LOG_WARNING("Implement me.\n"); + + DBFEXIT; +} + +/* Handles all "rx" BAP operations */ +static void hfa384x_bap_tasklet(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t *) data; + wlandevice_t *wlandev = hw->wlandev; + int counter = prism2_irq_evread_max; + int reg; + + DBFENTER; + + while (counter-- > 0) { + /* Get interrupt register */ + reg = hfa384x_getreg(hw, HFA384x_EVSTAT); + + if ((reg == 0xffff) || + !(reg & HFA384x_INT_BAP_OP)) { + break; + } + + if ( HFA384x_EVSTAT_ISINFO(reg) ){ + hfa384x_int_info(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_INFO_SET(1), + HFA384x_EVACK); + } + if ( HFA384x_EVSTAT_ISTXEXC(reg) ){ + hfa384x_int_txexc(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_TXEXC_SET(1), + HFA384x_EVACK); + } + if ( HFA384x_EVSTAT_ISTX(reg) ){ + hfa384x_int_tx(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_TX_SET(1), + HFA384x_EVACK); + } + if ( HFA384x_EVSTAT_ISRX(reg) ){ + hfa384x_int_rx(wlandev); + hfa384x_setreg(hw, HFA384x_EVACK_RX_SET(1), + HFA384x_EVACK); + } + } + + /* re-enable interrupts */ + hfa384x_events_all(hw); + + DBFEXIT; +} diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h new file mode 100644 index 000000000000..a2054639d24b --- /dev/null +++ b/drivers/staging/wlan-ng/hfa384x.h @@ -0,0 +1,3067 @@ +/* hfa384x.h +* +* Defines the constants and data structures for the hfa384x +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* [Implementation and usage notes] +* +* [References] +* CW10 Programmer's Manual v1.5 +* IEEE 802.11 D10.0 +* +* -------------------------------------------------------------------- +*/ + +#ifndef _HFA384x_H +#define _HFA384x_H + +/*=============================================================*/ +#define HFA384x_FIRMWARE_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) + +#define HFA384x_LEVEL_TO_dBm(v) (0x100 + (v) * 100 / 255 - 100) + +/*------ Constants --------------------------------------------*/ +/*--- Mins & Maxs -----------------------------------*/ +#define HFA384x_CMD_ALLOC_LEN_MIN ((UINT16)4) +#define HFA384x_CMD_ALLOC_LEN_MAX ((UINT16)2400) +#define HFA384x_BAP_DATALEN_MAX ((UINT16)4096) +#define HFA384x_BAP_OFFSET_MAX ((UINT16)4096) +#define HFA384x_PORTID_MAX ((UINT16)7) +#define HFA384x_NUMPORTS_MAX ((UINT16)(HFA384x_PORTID_MAX+1)) +#define HFA384x_PDR_LEN_MAX ((UINT16)512) /* in bytes, from EK */ +#define HFA384x_PDA_RECS_MAX ((UINT16)200) /* a guess */ +#define HFA384x_PDA_LEN_MAX ((UINT16)1024) /* in bytes, from EK */ +#define HFA384x_SCANRESULT_MAX ((UINT16)31) +#define HFA384x_HSCANRESULT_MAX ((UINT16)31) +#define HFA384x_CHINFORESULT_MAX ((UINT16)16) +#define HFA384x_DRVR_FIDSTACKLEN_MAX (10) +#define HFA384x_DRVR_TXBUF_MAX (sizeof(hfa384x_tx_frame_t) + \ + WLAN_DATA_MAXLEN - \ + WLAN_WEP_IV_LEN - \ + WLAN_WEP_ICV_LEN + 2) +#define HFA384x_DRVR_MAGIC (0x4a2d) +#define HFA384x_INFODATA_MAXLEN (sizeof(hfa384x_infodata_t)) +#define HFA384x_INFOFRM_MAXLEN (sizeof(hfa384x_InfFrame_t)) +#define HFA384x_RID_GUESSING_MAXLEN 2048 /* I'm not really sure */ +#define HFA384x_RIDDATA_MAXLEN HFA384x_RID_GUESSING_MAXLEN +#define HFA384x_USB_RWMEM_MAXLEN 2048 + +/*--- Support Constants -----------------------------*/ +#define HFA384x_BAP_PROC ((UINT16)0) +#define HFA384x_BAP_INT ((UINT16)1) +#define HFA384x_PORTTYPE_IBSS ((UINT16)0) +#define HFA384x_PORTTYPE_BSS ((UINT16)1) +#define HFA384x_PORTTYPE_WDS ((UINT16)2) +#define HFA384x_PORTTYPE_PSUEDOIBSS ((UINT16)3) +#define HFA384x_PORTTYPE_HOSTAP ((UINT16)6) +#define HFA384x_WEPFLAGS_PRIVINVOKED ((UINT16)BIT0) +#define HFA384x_WEPFLAGS_EXCLUDE ((UINT16)BIT1) +#define HFA384x_WEPFLAGS_DISABLE_TXCRYPT ((UINT16)BIT4) +#define HFA384x_WEPFLAGS_DISABLE_RXCRYPT ((UINT16)BIT7) +#define HFA384x_WEPFLAGS_DISALLOW_MIXED ((UINT16)BIT11) +#define HFA384x_WEPFLAGS_IV_INTERVAL1 ((UINT16)0) +#define HFA384x_WEPFLAGS_IV_INTERVAL10 ((UINT16)BIT5) +#define HFA384x_WEPFLAGS_IV_INTERVAL50 ((UINT16)BIT6) +#define HFA384x_WEPFLAGS_IV_INTERVAL100 ((UINT16)(BIT5 | BIT6)) +#define HFA384x_WEPFLAGS_FIRMWARE_WPA ((UINT16)BIT8) +#define HFA384x_WEPFLAGS_HOST_MIC ((UINT16)BIT9) +#define HFA384x_ROAMMODE_FWSCAN_FWROAM ((UINT16)1) +#define HFA384x_ROAMMODE_FWSCAN_HOSTROAM ((UINT16)2) +#define HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM ((UINT16)3) +#define HFA384x_PORTSTATUS_DISABLED ((UINT16)1) +#define HFA384x_PORTSTATUS_INITSRCH ((UINT16)2) +#define HFA384x_PORTSTATUS_CONN_IBSS ((UINT16)3) +#define HFA384x_PORTSTATUS_CONN_ESS ((UINT16)4) +#define HFA384x_PORTSTATUS_OOR_ESS ((UINT16)5) +#define HFA384x_PORTSTATUS_CONN_WDS ((UINT16)6) +#define HFA384x_PORTSTATUS_HOSTAP ((UINT16)8) +#define HFA384x_RATEBIT_1 ((UINT16)1) +#define HFA384x_RATEBIT_2 ((UINT16)2) +#define HFA384x_RATEBIT_5dot5 ((UINT16)4) +#define HFA384x_RATEBIT_11 ((UINT16)8) + +/*--- Just some symbolic names for legibility -------*/ +#define HFA384x_TXCMD_NORECL ((UINT16)0) +#define HFA384x_TXCMD_RECL ((UINT16)1) + +/*--- MAC Internal memory constants and macros ------*/ +/* masks and macros used to manipulate MAC internal memory addresses. */ +/* MAC internal memory addresses are 23 bit quantities. The MAC uses + * a paged address space where the upper 16 bits are the page number + * and the lower 7 bits are the offset. There are various Host API + * elements that require two 16-bit quantities to specify a MAC + * internal memory address. Unfortunately, some of the API's use a + * page/offset format where the offset value is JUST the lower seven + * bits and the page is the remaining 16 bits. Some of the API's + * assume that the 23 bit address has been split at the 16th bit. We + * refer to these two formats as AUX format and CMD format. The + * macros below help handle some of this. + */ + +/* Handy constant */ +#define HFA384x_ADDR_AUX_OFF_MAX ((UINT16)0x007f) + +/* Mask bits for discarding unwanted pieces in a flat address */ +#define HFA384x_ADDR_FLAT_AUX_PAGE_MASK (0x007fff80) +#define HFA384x_ADDR_FLAT_AUX_OFF_MASK (0x0000007f) +#define HFA384x_ADDR_FLAT_CMD_PAGE_MASK (0xffff0000) +#define HFA384x_ADDR_FLAT_CMD_OFF_MASK (0x0000ffff) + +/* Mask bits for discarding unwanted pieces in AUX format 16-bit address parts */ +#define HFA384x_ADDR_AUX_PAGE_MASK (0xffff) +#define HFA384x_ADDR_AUX_OFF_MASK (0x007f) + +/* Mask bits for discarding unwanted pieces in CMD format 16-bit address parts */ +#define HFA384x_ADDR_CMD_PAGE_MASK (0x007f) +#define HFA384x_ADDR_CMD_OFF_MASK (0xffff) + +/* Make a 32-bit flat address from AUX format 16-bit page and offset */ +#define HFA384x_ADDR_AUX_MKFLAT(p,o) \ + (((UINT32)(((UINT16)(p))&HFA384x_ADDR_AUX_PAGE_MASK)) <<7) | \ + ((UINT32)(((UINT16)(o))&HFA384x_ADDR_AUX_OFF_MASK)) + +/* Make a 32-bit flat address from CMD format 16-bit page and offset */ +#define HFA384x_ADDR_CMD_MKFLAT(p,o) \ + (((UINT32)(((UINT16)(p))&HFA384x_ADDR_CMD_PAGE_MASK)) <<16) | \ + ((UINT32)(((UINT16)(o))&HFA384x_ADDR_CMD_OFF_MASK)) + +/* Make AUX format offset and page from a 32-bit flat address */ +#define HFA384x_ADDR_AUX_MKPAGE(f) \ + ((UINT16)((((UINT32)(f))&HFA384x_ADDR_FLAT_AUX_PAGE_MASK)>>7)) +#define HFA384x_ADDR_AUX_MKOFF(f) \ + ((UINT16)(((UINT32)(f))&HFA384x_ADDR_FLAT_AUX_OFF_MASK)) + +/* Make CMD format offset and page from a 32-bit flat address */ +#define HFA384x_ADDR_CMD_MKPAGE(f) \ + ((UINT16)((((UINT32)(f))&HFA384x_ADDR_FLAT_CMD_PAGE_MASK)>>16)) +#define HFA384x_ADDR_CMD_MKOFF(f) \ + ((UINT16)(((UINT32)(f))&HFA384x_ADDR_FLAT_CMD_OFF_MASK)) + +/*--- Aux register masks/tests ----------------------*/ +/* Some of the upper bits of the AUX offset register are used to */ +/* select address space. */ +#define HFA384x_AUX_CTL_EXTDS (0x00) +#define HFA384x_AUX_CTL_NV (0x01) +#define HFA384x_AUX_CTL_PHY (0x02) +#define HFA384x_AUX_CTL_ICSRAM (0x03) + +/* Make AUX register offset and page values from a flat address */ +#define HFA384x_AUX_MKOFF(f, c) \ + (HFA384x_ADDR_AUX_MKOFF(f) | (((UINT16)(c))<<12)) +#define HFA384x_AUX_MKPAGE(f) HFA384x_ADDR_AUX_MKPAGE(f) + + +/*--- Controller Memory addresses -------------------*/ +#define HFA3842_PDA_BASE (0x007f0000UL) +#define HFA3841_PDA_BASE (0x003f0000UL) +#define HFA3841_PDA_BOGUS_BASE (0x00390000UL) + +/*--- Driver Download states -----------------------*/ +#define HFA384x_DLSTATE_DISABLED 0 +#define HFA384x_DLSTATE_RAMENABLED 1 +#define HFA384x_DLSTATE_FLASHENABLED 2 +#define HFA384x_DLSTATE_FLASHWRITTEN 3 +#define HFA384x_DLSTATE_FLASHWRITEPENDING 4 +#define HFA384x_DLSTATE_GENESIS 5 + +/*--- Register I/O offsets --------------------------*/ +#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX)) + +#define HFA384x_CMD_OFF (0x00) +#define HFA384x_PARAM0_OFF (0x02) +#define HFA384x_PARAM1_OFF (0x04) +#define HFA384x_PARAM2_OFF (0x06) +#define HFA384x_STATUS_OFF (0x08) +#define HFA384x_RESP0_OFF (0x0A) +#define HFA384x_RESP1_OFF (0x0C) +#define HFA384x_RESP2_OFF (0x0E) +#define HFA384x_INFOFID_OFF (0x10) +#define HFA384x_RXFID_OFF (0x20) +#define HFA384x_ALLOCFID_OFF (0x22) +#define HFA384x_TXCOMPLFID_OFF (0x24) +#define HFA384x_SELECT0_OFF (0x18) +#define HFA384x_OFFSET0_OFF (0x1C) +#define HFA384x_DATA0_OFF (0x36) +#define HFA384x_SELECT1_OFF (0x1A) +#define HFA384x_OFFSET1_OFF (0x1E) +#define HFA384x_DATA1_OFF (0x38) +#define HFA384x_EVSTAT_OFF (0x30) +#define HFA384x_INTEN_OFF (0x32) +#define HFA384x_EVACK_OFF (0x34) +#define HFA384x_CONTROL_OFF (0x14) +#define HFA384x_SWSUPPORT0_OFF (0x28) +#define HFA384x_SWSUPPORT1_OFF (0x2A) +#define HFA384x_SWSUPPORT2_OFF (0x2C) +#define HFA384x_AUXPAGE_OFF (0x3A) +#define HFA384x_AUXOFFSET_OFF (0x3C) +#define HFA384x_AUXDATA_OFF (0x3E) + +#elif (WLAN_HOSTIF == WLAN_PCI || WLAN_HOSTIF == WLAN_USB) + +#define HFA384x_CMD_OFF (0x00) +#define HFA384x_PARAM0_OFF (0x04) +#define HFA384x_PARAM1_OFF (0x08) +#define HFA384x_PARAM2_OFF (0x0c) +#define HFA384x_STATUS_OFF (0x10) +#define HFA384x_RESP0_OFF (0x14) +#define HFA384x_RESP1_OFF (0x18) +#define HFA384x_RESP2_OFF (0x1c) +#define HFA384x_INFOFID_OFF (0x20) +#define HFA384x_RXFID_OFF (0x40) +#define HFA384x_ALLOCFID_OFF (0x44) +#define HFA384x_TXCOMPLFID_OFF (0x48) +#define HFA384x_SELECT0_OFF (0x30) +#define HFA384x_OFFSET0_OFF (0x38) +#define HFA384x_DATA0_OFF (0x6c) +#define HFA384x_SELECT1_OFF (0x34) +#define HFA384x_OFFSET1_OFF (0x3c) +#define HFA384x_DATA1_OFF (0x70) +#define HFA384x_EVSTAT_OFF (0x60) +#define HFA384x_INTEN_OFF (0x64) +#define HFA384x_EVACK_OFF (0x68) +#define HFA384x_CONTROL_OFF (0x28) +#define HFA384x_SWSUPPORT0_OFF (0x50) +#define HFA384x_SWSUPPORT1_OFF (0x54) +#define HFA384x_SWSUPPORT2_OFF (0x58) +#define HFA384x_AUXPAGE_OFF (0x74) +#define HFA384x_AUXOFFSET_OFF (0x78) +#define HFA384x_AUXDATA_OFF (0x7c) +#define HFA384x_PCICOR_OFF (0x4c) +#define HFA384x_PCIHCR_OFF (0x5c) +#define HFA384x_PCI_M0_ADDRH_OFF (0x80) +#define HFA384x_PCI_M0_ADDRL_OFF (0x84) +#define HFA384x_PCI_M0_LEN_OFF (0x88) +#define HFA384x_PCI_M0_CTL_OFF (0x8c) +#define HFA384x_PCI_STATUS_OFF (0x98) +#define HFA384x_PCI_M1_ADDRH_OFF (0xa0) +#define HFA384x_PCI_M1_ADDRL_OFF (0xa4) +#define HFA384x_PCI_M1_LEN_OFF (0xa8) +#define HFA384x_PCI_M1_CTL_OFF (0xac) + +#endif + +/*--- Register Field Masks --------------------------*/ +#define HFA384x_CMD_BUSY ((UINT16)BIT15) +#define HFA384x_CMD_AINFO ((UINT16)(BIT14 | BIT13 | BIT12 | BIT11 | BIT10 | BIT9 | BIT8)) +#define HFA384x_CMD_MACPORT ((UINT16)(BIT10 | BIT9 | BIT8)) +#define HFA384x_CMD_RECL ((UINT16)BIT8) +#define HFA384x_CMD_WRITE ((UINT16)BIT8) +#define HFA384x_CMD_PROGMODE ((UINT16)(BIT9 | BIT8)) +#define HFA384x_CMD_CMDCODE ((UINT16)(BIT5 | BIT4 | BIT3 | BIT2 | BIT1 | BIT0)) + +#define HFA384x_STATUS_RESULT ((UINT16)(BIT14 | BIT13 | BIT12 | BIT11 | BIT10 | BIT9 | BIT8)) +#define HFA384x_STATUS_CMDCODE ((UINT16)(BIT5 | BIT4 | BIT3 | BIT2 | BIT1 | BIT0)) + +#define HFA384x_OFFSET_BUSY ((UINT16)BIT15) +#define HFA384x_OFFSET_ERR ((UINT16)BIT14) +#define HFA384x_OFFSET_DATAOFF ((UINT16)(BIT11 | BIT10 | BIT9 | BIT8 | BIT7 | BIT6 | BIT5 | BIT4 | BIT3 | BIT2 | BIT1)) + +#define HFA384x_EVSTAT_TICK ((UINT16)BIT15) +#define HFA384x_EVSTAT_WTERR ((UINT16)BIT14) +#define HFA384x_EVSTAT_INFDROP ((UINT16)BIT13) +#define HFA384x_EVSTAT_INFO ((UINT16)BIT7) +#define HFA384x_EVSTAT_DTIM ((UINT16)BIT5) +#define HFA384x_EVSTAT_CMD ((UINT16)BIT4) +#define HFA384x_EVSTAT_ALLOC ((UINT16)BIT3) +#define HFA384x_EVSTAT_TXEXC ((UINT16)BIT2) +#define HFA384x_EVSTAT_TX ((UINT16)BIT1) +#define HFA384x_EVSTAT_RX ((UINT16)BIT0) + +#define HFA384x_INT_BAP_OP (HFA384x_EVSTAT_INFO|HFA384x_EVSTAT_RX|HFA384x_EVSTAT_TX|HFA384x_EVSTAT_TXEXC) + +#define HFA384x_INT_NORMAL (HFA384x_EVSTAT_INFO|HFA384x_EVSTAT_RX|HFA384x_EVSTAT_TX|HFA384x_EVSTAT_TXEXC|HFA384x_EVSTAT_INFDROP|HFA384x_EVSTAT_ALLOC|HFA384x_EVSTAT_DTIM) + +#define HFA384x_INTEN_TICK ((UINT16)BIT15) +#define HFA384x_INTEN_WTERR ((UINT16)BIT14) +#define HFA384x_INTEN_INFDROP ((UINT16)BIT13) +#define HFA384x_INTEN_INFO ((UINT16)BIT7) +#define HFA384x_INTEN_DTIM ((UINT16)BIT5) +#define HFA384x_INTEN_CMD ((UINT16)BIT4) +#define HFA384x_INTEN_ALLOC ((UINT16)BIT3) +#define HFA384x_INTEN_TXEXC ((UINT16)BIT2) +#define HFA384x_INTEN_TX ((UINT16)BIT1) +#define HFA384x_INTEN_RX ((UINT16)BIT0) + +#define HFA384x_EVACK_TICK ((UINT16)BIT15) +#define HFA384x_EVACK_WTERR ((UINT16)BIT14) +#define HFA384x_EVACK_INFDROP ((UINT16)BIT13) +#define HFA384x_EVACK_INFO ((UINT16)BIT7) +#define HFA384x_EVACK_DTIM ((UINT16)BIT5) +#define HFA384x_EVACK_CMD ((UINT16)BIT4) +#define HFA384x_EVACK_ALLOC ((UINT16)BIT3) +#define HFA384x_EVACK_TXEXC ((UINT16)BIT2) +#define HFA384x_EVACK_TX ((UINT16)BIT1) +#define HFA384x_EVACK_RX ((UINT16)BIT0) + +#define HFA384x_CONTROL_AUXEN ((UINT16)(BIT15 | BIT14)) + + +/*--- Command Code Constants --------------------------*/ +/*--- Controller Commands --------------------------*/ +#define HFA384x_CMDCODE_INIT ((UINT16)0x00) +#define HFA384x_CMDCODE_ENABLE ((UINT16)0x01) +#define HFA384x_CMDCODE_DISABLE ((UINT16)0x02) +#define HFA384x_CMDCODE_DIAG ((UINT16)0x03) + +/*--- Buffer Mgmt Commands --------------------------*/ +#define HFA384x_CMDCODE_ALLOC ((UINT16)0x0A) +#define HFA384x_CMDCODE_TX ((UINT16)0x0B) +#define HFA384x_CMDCODE_CLRPRST ((UINT16)0x12) + +/*--- Regulate Commands --------------------------*/ +#define HFA384x_CMDCODE_NOTIFY ((UINT16)0x10) +#define HFA384x_CMDCODE_INQ ((UINT16)0x11) + +/*--- Configure Commands --------------------------*/ +#define HFA384x_CMDCODE_ACCESS ((UINT16)0x21) +#define HFA384x_CMDCODE_DOWNLD ((UINT16)0x22) + +/*--- Debugging Commands -----------------------------*/ +#define HFA384x_CMDCODE_MONITOR ((UINT16)(0x38)) +#define HFA384x_MONITOR_ENABLE ((UINT16)(0x0b)) +#define HFA384x_MONITOR_DISABLE ((UINT16)(0x0f)) + +/*--- Result Codes --------------------------*/ +#define HFA384x_SUCCESS ((UINT16)(0x00)) +#define HFA384x_CARD_FAIL ((UINT16)(0x01)) +#define HFA384x_NO_BUFF ((UINT16)(0x05)) +#define HFA384x_CMD_ERR ((UINT16)(0x7F)) + +/*--- Programming Modes -------------------------- + MODE 0: Disable programming + MODE 1: Enable volatile memory programming + MODE 2: Enable non-volatile memory programming + MODE 3: Program non-volatile memory section +--------------------------------------------------*/ +#define HFA384x_PROGMODE_DISABLE ((UINT16)0x00) +#define HFA384x_PROGMODE_RAM ((UINT16)0x01) +#define HFA384x_PROGMODE_NV ((UINT16)0x02) +#define HFA384x_PROGMODE_NVWRITE ((UINT16)0x03) + +/*--- AUX register enable --------------------------*/ +#define HFA384x_AUXPW0 ((UINT16)0xfe01) +#define HFA384x_AUXPW1 ((UINT16)0xdc23) +#define HFA384x_AUXPW2 ((UINT16)0xba45) + +#define HFA384x_CONTROL_AUX_ISDISABLED ((UINT16)0x0000) +#define HFA384x_CONTROL_AUX_ISENABLED ((UINT16)0xc000) +#define HFA384x_CONTROL_AUX_DOENABLE ((UINT16)0x8000) +#define HFA384x_CONTROL_AUX_DODISABLE ((UINT16)0x4000) + +/*--- Record ID Constants --------------------------*/ +/*-------------------------------------------------------------------- +Configuration RIDs: Network Parameters, Static Configuration Entities +--------------------------------------------------------------------*/ +#define HFA384x_RID_CNFPORTTYPE ((UINT16)0xFC00) +#define HFA384x_RID_CNFOWNMACADDR ((UINT16)0xFC01) +#define HFA384x_RID_CNFDESIREDSSID ((UINT16)0xFC02) +#define HFA384x_RID_CNFOWNCHANNEL ((UINT16)0xFC03) +#define HFA384x_RID_CNFOWNSSID ((UINT16)0xFC04) +#define HFA384x_RID_CNFOWNATIMWIN ((UINT16)0xFC05) +#define HFA384x_RID_CNFSYSSCALE ((UINT16)0xFC06) +#define HFA384x_RID_CNFMAXDATALEN ((UINT16)0xFC07) +#define HFA384x_RID_CNFWDSADDR ((UINT16)0xFC08) +#define HFA384x_RID_CNFPMENABLED ((UINT16)0xFC09) +#define HFA384x_RID_CNFPMEPS ((UINT16)0xFC0A) +#define HFA384x_RID_CNFMULTICASTRX ((UINT16)0xFC0B) +#define HFA384x_RID_CNFMAXSLEEPDUR ((UINT16)0xFC0C) +#define HFA384x_RID_CNFPMHOLDDUR ((UINT16)0xFC0D) +#define HFA384x_RID_CNFOWNNAME ((UINT16)0xFC0E) +#define HFA384x_RID_CNFOWNDTIMPER ((UINT16)0xFC10) +#define HFA384x_RID_CNFWDSADDR1 ((UINT16)0xFC11) +#define HFA384x_RID_CNFWDSADDR2 ((UINT16)0xFC12) +#define HFA384x_RID_CNFWDSADDR3 ((UINT16)0xFC13) +#define HFA384x_RID_CNFWDSADDR4 ((UINT16)0xFC14) +#define HFA384x_RID_CNFWDSADDR5 ((UINT16)0xFC15) +#define HFA384x_RID_CNFWDSADDR6 ((UINT16)0xFC16) +#define HFA384x_RID_CNFMCASTPMBUFF ((UINT16)0xFC17) + +/*-------------------------------------------------------------------- +Configuration RID lengths: Network Params, Static Config Entities + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +/* TODO: fill in the rest of these */ +#define HFA384x_RID_CNFPORTTYPE_LEN ((UINT16)2) +#define HFA384x_RID_CNFOWNMACADDR_LEN ((UINT16)6) +#define HFA384x_RID_CNFDESIREDSSID_LEN ((UINT16)34) +#define HFA384x_RID_CNFOWNCHANNEL_LEN ((UINT16)2) +#define HFA384x_RID_CNFOWNSSID_LEN ((UINT16)34) +#define HFA384x_RID_CNFOWNATIMWIN_LEN ((UINT16)2) +#define HFA384x_RID_CNFSYSSCALE_LEN ((UINT16)0) +#define HFA384x_RID_CNFMAXDATALEN_LEN ((UINT16)0) +#define HFA384x_RID_CNFWDSADDR_LEN ((UINT16)6) +#define HFA384x_RID_CNFPMENABLED_LEN ((UINT16)0) +#define HFA384x_RID_CNFPMEPS_LEN ((UINT16)0) +#define HFA384x_RID_CNFMULTICASTRX_LEN ((UINT16)0) +#define HFA384x_RID_CNFMAXSLEEPDUR_LEN ((UINT16)0) +#define HFA384x_RID_CNFPMHOLDDUR_LEN ((UINT16)0) +#define HFA384x_RID_CNFOWNNAME_LEN ((UINT16)34) +#define HFA384x_RID_CNFOWNDTIMPER_LEN ((UINT16)0) +#define HFA384x_RID_CNFWDSADDR1_LEN ((UINT16)6) +#define HFA384x_RID_CNFWDSADDR2_LEN ((UINT16)6) +#define HFA384x_RID_CNFWDSADDR3_LEN ((UINT16)6) +#define HFA384x_RID_CNFWDSADDR4_LEN ((UINT16)6) +#define HFA384x_RID_CNFWDSADDR5_LEN ((UINT16)6) +#define HFA384x_RID_CNFWDSADDR6_LEN ((UINT16)6) +#define HFA384x_RID_CNFMCASTPMBUFF_LEN ((UINT16)0) +#define HFA384x_RID_CNFAUTHENTICATION_LEN ((UINT16)sizeof(UINT16)) +#define HFA384x_RID_CNFMAXSLEEPDUR_LEN ((UINT16)0) + +/*-------------------------------------------------------------------- +Configuration RIDs: Network Parameters, Dynamic Configuration Entities +--------------------------------------------------------------------*/ +#define HFA384x_RID_GROUPADDR ((UINT16)0xFC80) +#define HFA384x_RID_CREATEIBSS ((UINT16)0xFC81) +#define HFA384x_RID_FRAGTHRESH ((UINT16)0xFC82) +#define HFA384x_RID_RTSTHRESH ((UINT16)0xFC83) +#define HFA384x_RID_TXRATECNTL ((UINT16)0xFC84) +#define HFA384x_RID_PROMISCMODE ((UINT16)0xFC85) +#define HFA384x_RID_FRAGTHRESH0 ((UINT16)0xFC90) +#define HFA384x_RID_FRAGTHRESH1 ((UINT16)0xFC91) +#define HFA384x_RID_FRAGTHRESH2 ((UINT16)0xFC92) +#define HFA384x_RID_FRAGTHRESH3 ((UINT16)0xFC93) +#define HFA384x_RID_FRAGTHRESH4 ((UINT16)0xFC94) +#define HFA384x_RID_FRAGTHRESH5 ((UINT16)0xFC95) +#define HFA384x_RID_FRAGTHRESH6 ((UINT16)0xFC96) +#define HFA384x_RID_RTSTHRESH0 ((UINT16)0xFC97) +#define HFA384x_RID_RTSTHRESH1 ((UINT16)0xFC98) +#define HFA384x_RID_RTSTHRESH2 ((UINT16)0xFC99) +#define HFA384x_RID_RTSTHRESH3 ((UINT16)0xFC9A) +#define HFA384x_RID_RTSTHRESH4 ((UINT16)0xFC9B) +#define HFA384x_RID_RTSTHRESH5 ((UINT16)0xFC9C) +#define HFA384x_RID_RTSTHRESH6 ((UINT16)0xFC9D) +#define HFA384x_RID_TXRATECNTL0 ((UINT16)0xFC9E) +#define HFA384x_RID_TXRATECNTL1 ((UINT16)0xFC9F) +#define HFA384x_RID_TXRATECNTL2 ((UINT16)0xFCA0) +#define HFA384x_RID_TXRATECNTL3 ((UINT16)0xFCA1) +#define HFA384x_RID_TXRATECNTL4 ((UINT16)0xFCA2) +#define HFA384x_RID_TXRATECNTL5 ((UINT16)0xFCA3) +#define HFA384x_RID_TXRATECNTL6 ((UINT16)0xFCA4) + +/*-------------------------------------------------------------------- +Configuration RID Lengths: Network Param, Dynamic Config Entities + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +/* TODO: fill in the rest of these */ +#define HFA384x_RID_GROUPADDR_LEN ((UINT16)16 * WLAN_ADDR_LEN) +#define HFA384x_RID_CREATEIBSS_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL_LEN ((UINT16)4) +#define HFA384x_RID_PROMISCMODE_LEN ((UINT16)2) +#define HFA384x_RID_FRAGTHRESH0_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH1_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH2_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH3_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH4_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH5_LEN ((UINT16)0) +#define HFA384x_RID_FRAGTHRESH6_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH0_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH1_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH2_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH3_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH4_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH5_LEN ((UINT16)0) +#define HFA384x_RID_RTSTHRESH6_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL0_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL1_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL2_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL3_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL4_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL5_LEN ((UINT16)0) +#define HFA384x_RID_TXRATECNTL6_LEN ((UINT16)0) + +/*-------------------------------------------------------------------- +Configuration RIDs: Behavior Parameters +--------------------------------------------------------------------*/ +#define HFA384x_RID_ITICKTIME ((UINT16)0xFCE0) + +/*-------------------------------------------------------------------- +Configuration RID Lengths: Behavior Parameters + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +#define HFA384x_RID_ITICKTIME_LEN ((UINT16)2) + +/*---------------------------------------------------------------------- +Information RIDs: NIC Information +--------------------------------------------------------------------*/ +#define HFA384x_RID_MAXLOADTIME ((UINT16)0xFD00) +#define HFA384x_RID_DOWNLOADBUFFER ((UINT16)0xFD01) +#define HFA384x_RID_PRIIDENTITY ((UINT16)0xFD02) +#define HFA384x_RID_PRISUPRANGE ((UINT16)0xFD03) +#define HFA384x_RID_PRI_CFIACTRANGES ((UINT16)0xFD04) +#define HFA384x_RID_NICSERIALNUMBER ((UINT16)0xFD0A) +#define HFA384x_RID_NICIDENTITY ((UINT16)0xFD0B) +#define HFA384x_RID_MFISUPRANGE ((UINT16)0xFD0C) +#define HFA384x_RID_CFISUPRANGE ((UINT16)0xFD0D) +#define HFA384x_RID_CHANNELLIST ((UINT16)0xFD10) +#define HFA384x_RID_REGULATORYDOMAINS ((UINT16)0xFD11) +#define HFA384x_RID_TEMPTYPE ((UINT16)0xFD12) +#define HFA384x_RID_CIS ((UINT16)0xFD13) +#define HFA384x_RID_STAIDENTITY ((UINT16)0xFD20) +#define HFA384x_RID_STASUPRANGE ((UINT16)0xFD21) +#define HFA384x_RID_STA_MFIACTRANGES ((UINT16)0xFD22) +#define HFA384x_RID_STA_CFIACTRANGES ((UINT16)0xFD23) +#define HFA384x_RID_BUILDSEQ ((UINT16)0xFFFE) +#define HFA384x_RID_FWID ((UINT16)0xFFFF) + +/*---------------------------------------------------------------------- +Information RID Lengths: NIC Information + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +#define HFA384x_RID_MAXLOADTIME_LEN ((UINT16)0) +#define HFA384x_RID_DOWNLOADBUFFER_LEN ((UINT16)sizeof(hfa384x_downloadbuffer_t)) +#define HFA384x_RID_PRIIDENTITY_LEN ((UINT16)8) +#define HFA384x_RID_PRISUPRANGE_LEN ((UINT16)10) +#define HFA384x_RID_CFIACTRANGES_LEN ((UINT16)10) +#define HFA384x_RID_NICSERIALNUMBER_LEN ((UINT16)12) +#define HFA384x_RID_NICIDENTITY_LEN ((UINT16)8) +#define HFA384x_RID_MFISUPRANGE_LEN ((UINT16)10) +#define HFA384x_RID_CFISUPRANGE_LEN ((UINT16)10) +#define HFA384x_RID_CHANNELLIST_LEN ((UINT16)0) +#define HFA384x_RID_REGULATORYDOMAINS_LEN ((UINT16)12) +#define HFA384x_RID_TEMPTYPE_LEN ((UINT16)0) +#define HFA384x_RID_CIS_LEN ((UINT16)480) +#define HFA384x_RID_STAIDENTITY_LEN ((UINT16)8) +#define HFA384x_RID_STASUPRANGE_LEN ((UINT16)10) +#define HFA384x_RID_MFIACTRANGES_LEN ((UINT16)10) +#define HFA384x_RID_CFIACTRANGES2_LEN ((UINT16)10) +#define HFA384x_RID_BUILDSEQ_LEN ((UINT16)sizeof(hfa384x_BuildSeq_t)) +#define HFA384x_RID_FWID_LEN ((UINT16)sizeof(hfa384x_FWID_t)) + +/*-------------------------------------------------------------------- +Information RIDs: MAC Information +--------------------------------------------------------------------*/ +#define HFA384x_RID_PORTSTATUS ((UINT16)0xFD40) +#define HFA384x_RID_CURRENTSSID ((UINT16)0xFD41) +#define HFA384x_RID_CURRENTBSSID ((UINT16)0xFD42) +#define HFA384x_RID_COMMSQUALITY ((UINT16)0xFD43) +#define HFA384x_RID_CURRENTTXRATE ((UINT16)0xFD44) +#define HFA384x_RID_CURRENTBCNINT ((UINT16)0xFD45) +#define HFA384x_RID_CURRENTSCALETHRESH ((UINT16)0xFD46) +#define HFA384x_RID_PROTOCOLRSPTIME ((UINT16)0xFD47) +#define HFA384x_RID_SHORTRETRYLIMIT ((UINT16)0xFD48) +#define HFA384x_RID_LONGRETRYLIMIT ((UINT16)0xFD49) +#define HFA384x_RID_MAXTXLIFETIME ((UINT16)0xFD4A) +#define HFA384x_RID_MAXRXLIFETIME ((UINT16)0xFD4B) +#define HFA384x_RID_CFPOLLABLE ((UINT16)0xFD4C) +#define HFA384x_RID_AUTHALGORITHMS ((UINT16)0xFD4D) +#define HFA384x_RID_PRIVACYOPTIMP ((UINT16)0xFD4F) +#define HFA384x_RID_DBMCOMMSQUALITY ((UINT16)0xFD51) +#define HFA384x_RID_CURRENTTXRATE1 ((UINT16)0xFD80) +#define HFA384x_RID_CURRENTTXRATE2 ((UINT16)0xFD81) +#define HFA384x_RID_CURRENTTXRATE3 ((UINT16)0xFD82) +#define HFA384x_RID_CURRENTTXRATE4 ((UINT16)0xFD83) +#define HFA384x_RID_CURRENTTXRATE5 ((UINT16)0xFD84) +#define HFA384x_RID_CURRENTTXRATE6 ((UINT16)0xFD85) +#define HFA384x_RID_OWNMACADDRESS ((UINT16)0xFD86) +// #define HFA384x_RID_PCFINFO ((UINT16)0xFD87) +#define HFA384x_RID_SCANRESULTS ((UINT16)0xFD88) // NEW +#define HFA384x_RID_HOSTSCANRESULTS ((UINT16)0xFD89) // NEW +#define HFA384x_RID_AUTHENTICATIONUSED ((UINT16)0xFD8A) // NEW +#define HFA384x_RID_ASSOCIATEFAILURE ((UINT16)0xFD8D) // 1.8.0 + +/*-------------------------------------------------------------------- +Information RID Lengths: MAC Information + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +#define HFA384x_RID_PORTSTATUS_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTSSID_LEN ((UINT16)34) +#define HFA384x_RID_CURRENTBSSID_LEN ((UINT16)WLAN_BSSID_LEN) +#define HFA384x_RID_COMMSQUALITY_LEN ((UINT16)sizeof(hfa384x_commsquality_t)) +#define HFA384x_RID_DBMCOMMSQUALITY_LEN ((UINT16)sizeof(hfa384x_dbmcommsquality_t)) +#define HFA384x_RID_CURRENTTXRATE_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTBCNINT_LEN ((UINT16)0) +#define HFA384x_RID_STACURSCALETHRESH_LEN ((UINT16)12) +#define HFA384x_RID_APCURSCALETHRESH_LEN ((UINT16)6) +#define HFA384x_RID_PROTOCOLRSPTIME_LEN ((UINT16)0) +#define HFA384x_RID_SHORTRETRYLIMIT_LEN ((UINT16)0) +#define HFA384x_RID_LONGRETRYLIMIT_LEN ((UINT16)0) +#define HFA384x_RID_MAXTXLIFETIME_LEN ((UINT16)0) +#define HFA384x_RID_MAXRXLIFETIME_LEN ((UINT16)0) +#define HFA384x_RID_CFPOLLABLE_LEN ((UINT16)0) +#define HFA384x_RID_AUTHALGORITHMS_LEN ((UINT16)4) +#define HFA384x_RID_PRIVACYOPTIMP_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE1_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE2_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE3_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE4_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE5_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTTXRATE6_LEN ((UINT16)0) +#define HFA384x_RID_OWNMACADDRESS_LEN ((UINT16)6) +#define HFA384x_RID_PCFINFO_LEN ((UINT16)6) +#define HFA384x_RID_CNFAPPCFINFO_LEN ((UINT16)sizeof(hfa384x_PCFInfo_data_t)) +#define HFA384x_RID_SCANREQUEST_LEN ((UINT16)sizeof(hfa384x_ScanRequest_data_t)) +#define HFA384x_RID_JOINREQUEST_LEN ((UINT16)sizeof(hfa384x_JoinRequest_data_t)) +#define HFA384x_RID_AUTHENTICATESTA_LEN ((UINT16)sizeof(hfa384x_authenticateStation_data_t)) +#define HFA384x_RID_CHANNELINFOREQUEST_LEN ((UINT16)sizeof(hfa384x_ChannelInfoRequest_data_t)) +/*-------------------------------------------------------------------- +Information RIDs: Modem Information +--------------------------------------------------------------------*/ +#define HFA384x_RID_PHYTYPE ((UINT16)0xFDC0) +#define HFA384x_RID_CURRENTCHANNEL ((UINT16)0xFDC1) +#define HFA384x_RID_CURRENTPOWERSTATE ((UINT16)0xFDC2) +#define HFA384x_RID_CCAMODE ((UINT16)0xFDC3) +#define HFA384x_RID_SUPPORTEDDATARATES ((UINT16)0xFDC6) +#define HFA384x_RID_LFOSTATUS ((UINT16)0xFDC7) // 1.7.1 + +/*-------------------------------------------------------------------- +Information RID Lengths: Modem Information + This is the length of JUST the DATA part of the RID (does not + include the len or code fields) +--------------------------------------------------------------------*/ +#define HFA384x_RID_PHYTYPE_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTCHANNEL_LEN ((UINT16)0) +#define HFA384x_RID_CURRENTPOWERSTATE_LEN ((UINT16)0) +#define HFA384x_RID_CCAMODE_LEN ((UINT16)0) +#define HFA384x_RID_SUPPORTEDDATARATES_LEN ((UINT16)10) + +/*-------------------------------------------------------------------- +API ENHANCEMENTS (NOT ALREADY IMPLEMENTED) +--------------------------------------------------------------------*/ +#define HFA384x_RID_CNFWEPDEFAULTKEYID ((UINT16)0xFC23) +#define HFA384x_RID_CNFWEPDEFAULTKEY0 ((UINT16)0xFC24) +#define HFA384x_RID_CNFWEPDEFAULTKEY1 ((UINT16)0xFC25) +#define HFA384x_RID_CNFWEPDEFAULTKEY2 ((UINT16)0xFC26) +#define HFA384x_RID_CNFWEPDEFAULTKEY3 ((UINT16)0xFC27) +#define HFA384x_RID_CNFWEPFLAGS ((UINT16)0xFC28) +#define HFA384x_RID_CNFWEPKEYMAPTABLE ((UINT16)0xFC29) +#define HFA384x_RID_CNFAUTHENTICATION ((UINT16)0xFC2A) +#define HFA384x_RID_CNFMAXASSOCSTATIONS ((UINT16)0xFC2B) +#define HFA384x_RID_CNFTXCONTROL ((UINT16)0xFC2C) +#define HFA384x_RID_CNFROAMINGMODE ((UINT16)0xFC2D) +#define HFA384x_RID_CNFHOSTAUTHASSOC ((UINT16)0xFC2E) +#define HFA384x_RID_CNFRCVCRCERROR ((UINT16)0xFC30) +// #define HFA384x_RID_CNFMMLIFE ((UINT16)0xFC31) +#define HFA384x_RID_CNFALTRETRYCNT ((UINT16)0xFC32) +#define HFA384x_RID_CNFAPBCNINT ((UINT16)0xFC33) +#define HFA384x_RID_CNFAPPCFINFO ((UINT16)0xFC34) +#define HFA384x_RID_CNFSTAPCFINFO ((UINT16)0xFC35) +#define HFA384x_RID_CNFPRIORITYQUSAGE ((UINT16)0xFC37) +#define HFA384x_RID_CNFTIMCTRL ((UINT16)0xFC40) +#define HFA384x_RID_CNFTHIRTY2TALLY ((UINT16)0xFC42) +#define HFA384x_RID_CNFENHSECURITY ((UINT16)0xFC43) +#define HFA384x_RID_CNFDBMADJUST ((UINT16)0xFC46) // NEW +#define HFA384x_RID_CNFWPADATA ((UINT16)0xFC48) // 1.7.0 +#define HFA384x_RID_CNFPROPOGATIONDELAY ((UINT16)0xFC49) // 1.7.6 +#define HFA384x_RID_CNFSHORTPREAMBLE ((UINT16)0xFCB0) +#define HFA384x_RID_CNFEXCLONGPREAMBLE ((UINT16)0xFCB1) +#define HFA384x_RID_CNFAUTHRSPTIMEOUT ((UINT16)0xFCB2) +#define HFA384x_RID_CNFBASICRATES ((UINT16)0xFCB3) +#define HFA384x_RID_CNFSUPPRATES ((UINT16)0xFCB4) +#define HFA384x_RID_CNFFALLBACKCTRL ((UINT16)0xFCB5) // NEW +#define HFA384x_RID_WEPKEYSTATUS ((UINT16)0xFCB6) // NEW +#define HFA384x_RID_WEPKEYMAPINDEX ((UINT16)0xFCB7) // NEW +#define HFA384x_RID_BROADCASTKEYID ((UINT16)0xFCB8) // NEW +#define HFA384x_RID_ENTSECFLAGEYID ((UINT16)0xFCB9) // NEW +#define HFA384x_RID_CNFPASSIVESCANCTRL ((UINT16)0xFCBA) // NEW STA +#define HFA384x_RID_CNFWPAHANDLING ((UINT16)0xFCBB) // 1.7.0 +#define HFA384x_RID_MDCCONTROL ((UINT16)0xFCBC) // 1.7.0/1.4.0 +#define HFA384x_RID_MDCCOUNTRY ((UINT16)0xFCBD) // 1.7.0/1.4.0 +#define HFA384x_RID_TXPOWERMAX ((UINT16)0xFCBE) // 1.7.0/1.4.0 +#define HFA384x_RID_CNFLFOENBLED ((UINT16)0xFCBF) // 1.6.3 +#define HFA384x_RID_CAPINFO ((UINT16)0xFCC0) // 1.7.0/1.3.7 +#define HFA384x_RID_LISTENINTERVAL ((UINT16)0xFCC1) // 1.7.0/1.3.7 +#define HFA384x_RID_DIVERSITYENABLED ((UINT16)0xFCC2) // 1.7.0/1.3.7 +#define HFA384x_RID_LED_CONTROL ((UINT16)0xFCC4) // 1.7.6 +#define HFA384x_RID_HFO_DELAY ((UINT16)0xFCC5) // 1.7.6 +#define HFA384x_RID_DISSALOWEDBSSID ((UINT16)0xFCC6) // 1.8.0 +#define HFA384x_RID_SCANREQUEST ((UINT16)0xFCE1) +#define HFA384x_RID_JOINREQUEST ((UINT16)0xFCE2) +#define HFA384x_RID_AUTHENTICATESTA ((UINT16)0xFCE3) +#define HFA384x_RID_CHANNELINFOREQUEST ((UINT16)0xFCE4) +#define HFA384x_RID_HOSTSCAN ((UINT16)0xFCE5) // NEW STA +#define HFA384x_RID_ASSOCIATESTA ((UINT16)0xFCE6) + +#define HFA384x_RID_CNFWEPDEFAULTKEY_LEN ((UINT16)6) +#define HFA384x_RID_CNFWEP128DEFAULTKEY_LEN ((UINT16)14) +#define HFA384x_RID_CNFPRIOQUSAGE_LEN ((UINT16)4) +/*-------------------------------------------------------------------- +PD Record codes +--------------------------------------------------------------------*/ +#define HFA384x_PDR_PCB_PARTNUM ((UINT16)0x0001) +#define HFA384x_PDR_PDAVER ((UINT16)0x0002) +#define HFA384x_PDR_NIC_SERIAL ((UINT16)0x0003) +#define HFA384x_PDR_MKK_MEASUREMENTS ((UINT16)0x0004) +#define HFA384x_PDR_NIC_RAMSIZE ((UINT16)0x0005) +#define HFA384x_PDR_MFISUPRANGE ((UINT16)0x0006) +#define HFA384x_PDR_CFISUPRANGE ((UINT16)0x0007) +#define HFA384x_PDR_NICID ((UINT16)0x0008) +//#define HFA384x_PDR_REFDAC_MEASUREMENTS ((UINT16)0x0010) +//#define HFA384x_PDR_VGDAC_MEASUREMENTS ((UINT16)0x0020) +//#define HFA384x_PDR_LEVEL_COMP_MEASUREMENTS ((UINT16)0x0030) +//#define HFA384x_PDR_MODEM_TRIMDAC_MEASUREMENTS ((UINT16)0x0040) +//#define HFA384x_PDR_COREGA_HACK ((UINT16)0x00ff) +#define HFA384x_PDR_MAC_ADDRESS ((UINT16)0x0101) +//#define HFA384x_PDR_MKK_CALLNAME ((UINT16)0x0102) +#define HFA384x_PDR_REGDOMAIN ((UINT16)0x0103) +#define HFA384x_PDR_ALLOWED_CHANNEL ((UINT16)0x0104) +#define HFA384x_PDR_DEFAULT_CHANNEL ((UINT16)0x0105) +//#define HFA384x_PDR_PRIVACY_OPTION ((UINT16)0x0106) +#define HFA384x_PDR_TEMPTYPE ((UINT16)0x0107) +//#define HFA384x_PDR_REFDAC_SETUP ((UINT16)0x0110) +//#define HFA384x_PDR_VGDAC_SETUP ((UINT16)0x0120) +//#define HFA384x_PDR_LEVEL_COMP_SETUP ((UINT16)0x0130) +//#define HFA384x_PDR_TRIMDAC_SETUP ((UINT16)0x0140) +#define HFA384x_PDR_IFR_SETTING ((UINT16)0x0200) +#define HFA384x_PDR_RFR_SETTING ((UINT16)0x0201) +#define HFA384x_PDR_HFA3861_BASELINE ((UINT16)0x0202) +#define HFA384x_PDR_HFA3861_SHADOW ((UINT16)0x0203) +#define HFA384x_PDR_HFA3861_IFRF ((UINT16)0x0204) +#define HFA384x_PDR_HFA3861_CHCALSP ((UINT16)0x0300) +#define HFA384x_PDR_HFA3861_CHCALI ((UINT16)0x0301) +#define HFA384x_PDR_MAX_TX_POWER ((UINT16)0x0302) +#define HFA384x_PDR_MASTER_CHAN_LIST ((UINT16)0x0303) +#define HFA384x_PDR_3842_NIC_CONFIG ((UINT16)0x0400) +#define HFA384x_PDR_USB_ID ((UINT16)0x0401) +#define HFA384x_PDR_PCI_ID ((UINT16)0x0402) +#define HFA384x_PDR_PCI_IFCONF ((UINT16)0x0403) +#define HFA384x_PDR_PCI_PMCONF ((UINT16)0x0404) +#define HFA384x_PDR_RFENRGY ((UINT16)0x0406) +#define HFA384x_PDR_USB_POWER_TYPE ((UINT16)0x0407) +//#define HFA384x_PDR_UNKNOWN408 ((UINT16)0x0408) +#define HFA384x_PDR_USB_MAX_POWER ((UINT16)0x0409) +#define HFA384x_PDR_USB_MANUFACTURER ((UINT16)0x0410) +#define HFA384x_PDR_USB_PRODUCT ((UINT16)0x0411) +#define HFA384x_PDR_ANT_DIVERSITY ((UINT16)0x0412) +#define HFA384x_PDR_HFO_DELAY ((UINT16)0x0413) +#define HFA384x_PDR_SCALE_THRESH ((UINT16)0x0414) + +#define HFA384x_PDR_HFA3861_MANF_TESTSP ((UINT16)0x0900) +#define HFA384x_PDR_HFA3861_MANF_TESTI ((UINT16)0x0901) +#define HFA384x_PDR_END_OF_PDA ((UINT16)0x0000) + + +/*=============================================================*/ +/*------ Macros -----------------------------------------------*/ + +/*--- Register ID macros ------------------------*/ + +#define HFA384x_CMD HFA384x_CMD_OFF +#define HFA384x_PARAM0 HFA384x_PARAM0_OFF +#define HFA384x_PARAM1 HFA384x_PARAM1_OFF +#define HFA384x_PARAM2 HFA384x_PARAM2_OFF +#define HFA384x_STATUS HFA384x_STATUS_OFF +#define HFA384x_RESP0 HFA384x_RESP0_OFF +#define HFA384x_RESP1 HFA384x_RESP1_OFF +#define HFA384x_RESP2 HFA384x_RESP2_OFF +#define HFA384x_INFOFID HFA384x_INFOFID_OFF +#define HFA384x_RXFID HFA384x_RXFID_OFF +#define HFA384x_ALLOCFID HFA384x_ALLOCFID_OFF +#define HFA384x_TXCOMPLFID HFA384x_TXCOMPLFID_OFF +#define HFA384x_SELECT0 HFA384x_SELECT0_OFF +#define HFA384x_OFFSET0 HFA384x_OFFSET0_OFF +#define HFA384x_DATA0 HFA384x_DATA0_OFF +#define HFA384x_SELECT1 HFA384x_SELECT1_OFF +#define HFA384x_OFFSET1 HFA384x_OFFSET1_OFF +#define HFA384x_DATA1 HFA384x_DATA1_OFF +#define HFA384x_EVSTAT HFA384x_EVSTAT_OFF +#define HFA384x_INTEN HFA384x_INTEN_OFF +#define HFA384x_EVACK HFA384x_EVACK_OFF +#define HFA384x_CONTROL HFA384x_CONTROL_OFF +#define HFA384x_SWSUPPORT0 HFA384x_SWSUPPORT0_OFF +#define HFA384x_SWSUPPORT1 HFA384x_SWSUPPORT1_OFF +#define HFA384x_SWSUPPORT2 HFA384x_SWSUPPORT2_OFF +#define HFA384x_AUXPAGE HFA384x_AUXPAGE_OFF +#define HFA384x_AUXOFFSET HFA384x_AUXOFFSET_OFF +#define HFA384x_AUXDATA HFA384x_AUXDATA_OFF +#define HFA384x_PCICOR HFA384x_PCICOR_OFF +#define HFA384x_PCIHCR HFA384x_PCIHCR_OFF + + +/*--- Register Test/Get/Set Field macros ------------------------*/ + +#define HFA384x_CMD_ISBUSY(value) ((UINT16)(((UINT16)value) & HFA384x_CMD_BUSY)) +#define HFA384x_CMD_AINFO_GET(value) ((UINT16)(((UINT16)(value) & HFA384x_CMD_AINFO) >> 8)) +#define HFA384x_CMD_AINFO_SET(value) ((UINT16)((UINT16)(value) << 8)) +#define HFA384x_CMD_MACPORT_GET(value) ((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_MACPORT))) +#define HFA384x_CMD_MACPORT_SET(value) ((UINT16)HFA384x_CMD_AINFO_SET(value)) +#define HFA384x_CMD_ISRECL(value) ((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_RECL))) +#define HFA384x_CMD_RECL_SET(value) ((UINT16)HFA384x_CMD_AINFO_SET(value)) +#define HFA384x_CMD_QOS_GET(value) ((UINT16((((UINT16)(value))&((UINT16)0x3000)) >> 12)) +#define HFA384x_CMD_QOS_SET(value) ((UINT16)((((UINT16)(value)) << 12) & 0x3000)) +#define HFA384x_CMD_ISWRITE(value) ((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_WRITE))) +#define HFA384x_CMD_WRITE_SET(value) ((UINT16)HFA384x_CMD_AINFO_SET((UINT16)value)) +#define HFA384x_CMD_PROGMODE_GET(value) ((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_PROGMODE))) +#define HFA384x_CMD_PROGMODE_SET(value) ((UINT16)HFA384x_CMD_AINFO_SET((UINT16)value)) +#define HFA384x_CMD_CMDCODE_GET(value) ((UINT16)(((UINT16)(value)) & HFA384x_CMD_CMDCODE)) +#define HFA384x_CMD_CMDCODE_SET(value) ((UINT16)(value)) + +#define HFA384x_STATUS_RESULT_GET(value) ((UINT16)((((UINT16)(value)) & HFA384x_STATUS_RESULT) >> 8)) +#define HFA384x_STATUS_RESULT_SET(value) (((UINT16)(value)) << 8) +#define HFA384x_STATUS_CMDCODE_GET(value) (((UINT16)(value)) & HFA384x_STATUS_CMDCODE) +#define HFA384x_STATUS_CMDCODE_SET(value) ((UINT16)(value)) + +#define HFA384x_OFFSET_ISBUSY(value) ((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_BUSY)) +#define HFA384x_OFFSET_ISERR(value) ((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_ERR)) +#define HFA384x_OFFSET_DATAOFF_GET(value) ((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_DATAOFF)) +#define HFA384x_OFFSET_DATAOFF_SET(value) ((UINT16)(value)) + +#define HFA384x_EVSTAT_ISTICK(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TICK)) +#define HFA384x_EVSTAT_ISWTERR(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_WTERR)) +#define HFA384x_EVSTAT_ISINFDROP(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_INFDROP)) +#define HFA384x_EVSTAT_ISINFO(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_INFO)) +#define HFA384x_EVSTAT_ISDTIM(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_DTIM)) +#define HFA384x_EVSTAT_ISCMD(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_CMD)) +#define HFA384x_EVSTAT_ISALLOC(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_ALLOC)) +#define HFA384x_EVSTAT_ISTXEXC(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TXEXC)) +#define HFA384x_EVSTAT_ISTX(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TX)) +#define HFA384x_EVSTAT_ISRX(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_RX)) + +#define HFA384x_EVSTAT_ISBAP_OP(value) ((UINT16)(((UINT16)(value)) & HFA384x_INT_BAP_OP)) + +#define HFA384x_INTEN_ISTICK(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TICK)) +#define HFA384x_INTEN_TICK_SET(value) ((UINT16)(((UINT16)(value)) << 15)) +#define HFA384x_INTEN_ISWTERR(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_WTERR)) +#define HFA384x_INTEN_WTERR_SET(value) ((UINT16)(((UINT16)(value)) << 14)) +#define HFA384x_INTEN_ISINFDROP(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_INFDROP)) +#define HFA384x_INTEN_INFDROP_SET(value) ((UINT16)(((UINT16)(value)) << 13)) +#define HFA384x_INTEN_ISINFO(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_INFO)) +#define HFA384x_INTEN_INFO_SET(value) ((UINT16)(((UINT16)(value)) << 7)) +#define HFA384x_INTEN_ISDTIM(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_DTIM)) +#define HFA384x_INTEN_DTIM_SET(value) ((UINT16)(((UINT16)(value)) << 5)) +#define HFA384x_INTEN_ISCMD(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_CMD)) +#define HFA384x_INTEN_CMD_SET(value) ((UINT16)(((UINT16)(value)) << 4)) +#define HFA384x_INTEN_ISALLOC(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_ALLOC)) +#define HFA384x_INTEN_ALLOC_SET(value) ((UINT16)(((UINT16)(value)) << 3)) +#define HFA384x_INTEN_ISTXEXC(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TXEXC)) +#define HFA384x_INTEN_TXEXC_SET(value) ((UINT16)(((UINT16)(value)) << 2)) +#define HFA384x_INTEN_ISTX(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TX)) +#define HFA384x_INTEN_TX_SET(value) ((UINT16)(((UINT16)(value)) << 1)) +#define HFA384x_INTEN_ISRX(value) ((UINT16)(((UINT16)(value)) & HFA384x_INTEN_RX)) +#define HFA384x_INTEN_RX_SET(value) ((UINT16)(((UINT16)(value)) << 0)) + +#define HFA384x_EVACK_ISTICK(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TICK)) +#define HFA384x_EVACK_TICK_SET(value) ((UINT16)(((UINT16)(value)) << 15)) +#define HFA384x_EVACK_ISWTERR(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_WTERR)) +#define HFA384x_EVACK_WTERR_SET(value) ((UINT16)(((UINT16)(value)) << 14)) +#define HFA384x_EVACK_ISINFDROP(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_INFDROP)) +#define HFA384x_EVACK_INFDROP_SET(value) ((UINT16)(((UINT16)(value)) << 13)) +#define HFA384x_EVACK_ISINFO(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_INFO)) +#define HFA384x_EVACK_INFO_SET(value) ((UINT16)(((UINT16)(value)) << 7)) +#define HFA384x_EVACK_ISDTIM(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_DTIM)) +#define HFA384x_EVACK_DTIM_SET(value) ((UINT16)(((UINT16)(value)) << 5)) +#define HFA384x_EVACK_ISCMD(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_CMD)) +#define HFA384x_EVACK_CMD_SET(value) ((UINT16)(((UINT16)(value)) << 4)) +#define HFA384x_EVACK_ISALLOC(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_ALLOC)) +#define HFA384x_EVACK_ALLOC_SET(value) ((UINT16)(((UINT16)(value)) << 3)) +#define HFA384x_EVACK_ISTXEXC(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TXEXC)) +#define HFA384x_EVACK_TXEXC_SET(value) ((UINT16)(((UINT16)(value)) << 2)) +#define HFA384x_EVACK_ISTX(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TX)) +#define HFA384x_EVACK_TX_SET(value) ((UINT16)(((UINT16)(value)) << 1)) +#define HFA384x_EVACK_ISRX(value) ((UINT16)(((UINT16)(value)) & HFA384x_EVACK_RX)) +#define HFA384x_EVACK_RX_SET(value) ((UINT16)(((UINT16)(value)) << 0)) + +#define HFA384x_CONTROL_AUXEN_SET(value) ((UINT16)(((UINT16)(value)) << 14)) +#define HFA384x_CONTROL_AUXEN_GET(value) ((UINT16)(((UINT16)(value)) >> 14)) + +/* Byte Order */ +#ifdef __KERNEL__ +#define hfa384x2host_16(n) (__le16_to_cpu((UINT16)(n))) +#define hfa384x2host_32(n) (__le32_to_cpu((UINT32)(n))) +#define host2hfa384x_16(n) (__cpu_to_le16((UINT16)(n))) +#define host2hfa384x_32(n) (__cpu_to_le32((UINT32)(n))) +#endif + +/* Host Maintained State Info */ +#define HFA384x_STATE_PREINIT 0 +#define HFA384x_STATE_INIT 1 +#define HFA384x_STATE_RUNNING 2 + +/*=============================================================*/ +/*------ Types and their related constants --------------------*/ + +#define HFA384x_HOSTAUTHASSOC_HOSTAUTH BIT0 +#define HFA384x_HOSTAUTHASSOC_HOSTASSOC BIT1 + +#define HFA384x_WHAHANDLING_DISABLED 0 +#define HFA384x_WHAHANDLING_PASSTHROUGH BIT1 + +/*-------------------------------------------------------------*/ +/* Commonly used basic types */ +typedef struct hfa384x_bytestr +{ + UINT16 len; + UINT8 data[0]; +} __WLAN_ATTRIB_PACK__ hfa384x_bytestr_t; + +typedef struct hfa384x_bytestr32 +{ + UINT16 len; + UINT8 data[32]; +} __WLAN_ATTRIB_PACK__ hfa384x_bytestr32_t; + +/*-------------------------------------------------------------------- +Configuration Record Structures: + Network Parameters, Static Configuration Entities +--------------------------------------------------------------------*/ +/* Prototype structure: all configuration record structures start with +these members */ + +typedef struct hfa384x_record +{ + UINT16 reclen; + UINT16 rid; +} __WLAN_ATTRIB_PACK__ hfa384x_rec_t; + +typedef struct hfa384x_record16 +{ + UINT16 reclen; + UINT16 rid; + UINT16 val; +} __WLAN_ATTRIB_PACK__ hfa384x_rec16_t; + +typedef struct hfa384x_record32 +{ + UINT16 reclen; + UINT16 rid; + UINT32 val; +} __WLAN_ATTRIB_PACK__ hfa384x_rec32; + +/*-- Hardware/Firmware Component Information ----------*/ +typedef struct hfa384x_compident +{ + UINT16 id; + UINT16 variant; + UINT16 major; + UINT16 minor; +} __WLAN_ATTRIB_PACK__ hfa384x_compident_t; + +typedef struct hfa384x_caplevel +{ + UINT16 role; + UINT16 id; + UINT16 variant; + UINT16 bottom; + UINT16 top; +} __WLAN_ATTRIB_PACK__ hfa384x_caplevel_t; + +/*-- Configuration Record: cnfPortType --*/ +typedef struct hfa384x_cnfPortType +{ + UINT16 cnfPortType; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfPortType_t; + +/*-- Configuration Record: cnfOwnMACAddress --*/ +typedef struct hfa384x_cnfOwnMACAddress +{ + UINT8 cnfOwnMACAddress[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnMACAddress_t; + +/*-- Configuration Record: cnfDesiredSSID --*/ +typedef struct hfa384x_cnfDesiredSSID +{ + UINT8 cnfDesiredSSID[34]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfDesiredSSID_t; + +/*-- Configuration Record: cnfOwnChannel --*/ +typedef struct hfa384x_cnfOwnChannel +{ + UINT16 cnfOwnChannel; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnChannel_t; + +/*-- Configuration Record: cnfOwnSSID --*/ +typedef struct hfa384x_cnfOwnSSID +{ + UINT8 cnfOwnSSID[34]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnSSID_t; + +/*-- Configuration Record: cnfOwnATIMWindow --*/ +typedef struct hfa384x_cnfOwnATIMWindow +{ + UINT16 cnfOwnATIMWindow; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnATIMWindow_t; + +/*-- Configuration Record: cnfSystemScale --*/ +typedef struct hfa384x_cnfSystemScale +{ + UINT16 cnfSystemScale; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfSystemScale_t; + +/*-- Configuration Record: cnfMaxDataLength --*/ +typedef struct hfa384x_cnfMaxDataLength +{ + UINT16 cnfMaxDataLength; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfMaxDataLength_t; + +/*-- Configuration Record: cnfWDSAddress --*/ +typedef struct hfa384x_cnfWDSAddress +{ + UINT8 cnfWDSAddress[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfWDSAddress_t; + +/*-- Configuration Record: cnfPMEnabled --*/ +typedef struct hfa384x_cnfPMEnabled +{ + UINT16 cnfPMEnabled; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMEnabled_t; + +/*-- Configuration Record: cnfPMEPS --*/ +typedef struct hfa384x_cnfPMEPS +{ + UINT16 cnfPMEPS; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMEPS_t; + +/*-- Configuration Record: cnfMulticastReceive --*/ +typedef struct hfa384x_cnfMulticastReceive +{ + UINT16 cnfMulticastReceive; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfMulticastReceive_t; + +/*-- Configuration Record: cnfAuthentication --*/ +#define HFA384x_CNFAUTHENTICATION_OPENSYSTEM 0x0001 +#define HFA384x_CNFAUTHENTICATION_SHAREDKEY 0x0002 +#define HFA384x_CNFAUTHENTICATION_LEAP 0x0004 + +/*-- Configuration Record: cnfMaxSleepDuration --*/ +typedef struct hfa384x_cnfMaxSleepDuration +{ + UINT16 cnfMaxSleepDuration; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfMaxSleepDuration_t; + +/*-- Configuration Record: cnfPMHoldoverDuration --*/ +typedef struct hfa384x_cnfPMHoldoverDuration +{ + UINT16 cnfPMHoldoverDuration; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMHoldoverDuration_t; + +/*-- Configuration Record: cnfOwnName --*/ +typedef struct hfa384x_cnfOwnName +{ + UINT8 cnfOwnName[34]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnName_t; + +/*-- Configuration Record: cnfOwnDTIMPeriod --*/ +typedef struct hfa384x_cnfOwnDTIMPeriod +{ + UINT16 cnfOwnDTIMPeriod; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnDTIMPeriod_t; + +/*-- Configuration Record: cnfWDSAddress --*/ +typedef struct hfa384x_cnfWDSAddressN +{ + UINT8 cnfWDSAddress[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfWDSAddressN_t; + +/*-- Configuration Record: cnfMulticastPMBuffering --*/ +typedef struct hfa384x_cnfMulticastPMBuffering +{ + UINT16 cnfMulticastPMBuffering; +} __WLAN_ATTRIB_PACK__ hfa384x_cnfMulticastPMBuffering_t; + +/*-------------------------------------------------------------------- +Configuration Record Structures: + Network Parameters, Dynamic Configuration Entities +--------------------------------------------------------------------*/ + +/*-- Configuration Record: GroupAddresses --*/ +typedef struct hfa384x_GroupAddresses +{ + UINT8 MACAddress[16][6]; +} __WLAN_ATTRIB_PACK__ hfa384x_GroupAddresses_t; + +/*-- Configuration Record: CreateIBSS --*/ +typedef struct hfa384x_CreateIBSS +{ + UINT16 CreateIBSS; +} __WLAN_ATTRIB_PACK__ hfa384x_CreateIBSS_t; + +#define HFA384x_CREATEIBSS_JOINCREATEIBSS 0 +#define HFA384x_CREATEIBSS_JOINESS_JOINCREATEIBSS 1 +#define HFA384x_CREATEIBSS_JOINIBSS 2 +#define HFA384x_CREATEIBSS_JOINESS_JOINIBSS 3 + +/*-- Configuration Record: FragmentationThreshold --*/ +typedef struct hfa384x_FragmentationThreshold +{ + UINT16 FragmentationThreshold; +} __WLAN_ATTRIB_PACK__ hfa384x_FragmentationThreshold_t; + +/*-- Configuration Record: RTSThreshold --*/ +typedef struct hfa384x_RTSThreshold +{ + UINT16 RTSThreshold; +} __WLAN_ATTRIB_PACK__ hfa384x_RTSThreshold_t; + +/*-- Configuration Record: TxRateControl --*/ +typedef struct hfa384x_TxRateControl +{ + UINT16 TxRateControl; +} __WLAN_ATTRIB_PACK__ hfa384x_TxRateControl_t; + +/*-- Configuration Record: PromiscuousMode --*/ +typedef struct hfa384x_PromiscuousMode +{ + UINT16 PromiscuousMode; +} __WLAN_ATTRIB_PACK__ hfa384x_PromiscuousMode_t; + +/*-- Configuration Record: ScanRequest (data portion only) --*/ +typedef struct hfa384x_ScanRequest_data +{ + UINT16 channelList; + UINT16 txRate; +} __WLAN_ATTRIB_PACK__ hfa384x_ScanRequest_data_t; + +/*-- Configuration Record: HostScanRequest (data portion only) --*/ +typedef struct hfa384x_HostScanRequest_data +{ + UINT16 channelList; + UINT16 txRate; + hfa384x_bytestr32_t ssid; +} __WLAN_ATTRIB_PACK__ hfa384x_HostScanRequest_data_t; + +/*-- Configuration Record: JoinRequest (data portion only) --*/ +typedef struct hfa384x_JoinRequest_data +{ + UINT8 bssid[WLAN_BSSID_LEN]; + UINT16 channel; +} __WLAN_ATTRIB_PACK__ hfa384x_JoinRequest_data_t; + +/*-- Configuration Record: authenticateStation (data portion only) --*/ +typedef struct hfa384x_authenticateStation_data +{ + UINT8 address[WLAN_ADDR_LEN]; + UINT16 status; + UINT16 algorithm; +} __WLAN_ATTRIB_PACK__ hfa384x_authenticateStation_data_t; + +/*-- Configuration Record: associateStation (data portion only) --*/ +typedef struct hfa384x_associateStation_data +{ + UINT8 address[WLAN_ADDR_LEN]; + UINT16 status; + UINT16 type; +} __WLAN_ATTRIB_PACK__ hfa384x_associateStation_data_t; + +/*-- Configuration Record: ChannelInfoRequest (data portion only) --*/ +typedef struct hfa384x_ChannelInfoRequest_data +{ + UINT16 channelList; + UINT16 channelDwellTime; +} __WLAN_ATTRIB_PACK__ hfa384x_ChannelInfoRequest_data_t; + +/*-- Configuration Record: WEPKeyMapping (data portion only) --*/ +typedef struct hfa384x_WEPKeyMapping +{ + UINT8 address[WLAN_ADDR_LEN]; + UINT16 key_index; + UINT8 key[16]; + UINT8 mic_transmit_key[4]; + UINT8 mic_receive_key[4]; +} __WLAN_ATTRIB_PACK__ hfa384x_WEPKeyMapping_t; + +/*-- Configuration Record: WPAData (data portion only) --*/ +typedef struct hfa384x_WPAData +{ + UINT16 datalen; + UINT8 data[0]; // max 80 +} __WLAN_ATTRIB_PACK__ hfa384x_WPAData_t; + +/*-------------------------------------------------------------------- +Configuration Record Structures: Behavior Parameters +--------------------------------------------------------------------*/ + +/*-- Configuration Record: TickTime --*/ +typedef struct hfa384x_TickTime +{ + UINT16 TickTime; +} __WLAN_ATTRIB_PACK__ hfa384x_TickTime_t; + +/*-------------------------------------------------------------------- +Information Record Structures: NIC Information +--------------------------------------------------------------------*/ + +/*-- Information Record: MaxLoadTime --*/ +typedef struct hfa384x_MaxLoadTime +{ + UINT16 MaxLoadTime; +} __WLAN_ATTRIB_PACK__ hfa384x_MaxLoadTime_t; + +/*-- Information Record: DownLoadBuffer --*/ +/* NOTE: The page and offset are in AUX format */ +typedef struct hfa384x_downloadbuffer +{ + UINT16 page; + UINT16 offset; + UINT16 len; +} __WLAN_ATTRIB_PACK__ hfa384x_downloadbuffer_t; + +/*-- Information Record: PRIIdentity --*/ +typedef struct hfa384x_PRIIdentity +{ + UINT16 PRICompID; + UINT16 PRIVariant; + UINT16 PRIMajorVersion; + UINT16 PRIMinorVersion; +} __WLAN_ATTRIB_PACK__ hfa384x_PRIIdentity_t; + +/*-- Information Record: PRISupRange --*/ +typedef struct hfa384x_PRISupRange +{ + UINT16 PRIRole; + UINT16 PRIID; + UINT16 PRIVariant; + UINT16 PRIBottom; + UINT16 PRITop; +} __WLAN_ATTRIB_PACK__ hfa384x_PRISupRange_t; + +/*-- Information Record: CFIActRanges --*/ +typedef struct hfa384x_CFIActRanges +{ + UINT16 CFIRole; + UINT16 CFIID; + UINT16 CFIVariant; + UINT16 CFIBottom; + UINT16 CFITop; +} __WLAN_ATTRIB_PACK__ hfa384x_CFIActRanges_t; + +/*-- Information Record: NICSerialNumber --*/ +typedef struct hfa384x_NICSerialNumber +{ + UINT8 NICSerialNumber[12]; +} __WLAN_ATTRIB_PACK__ hfa384x_NICSerialNumber_t; + +/*-- Information Record: NICIdentity --*/ +typedef struct hfa384x_NICIdentity +{ + UINT16 NICCompID; + UINT16 NICVariant; + UINT16 NICMajorVersion; + UINT16 NICMinorVersion; +} __WLAN_ATTRIB_PACK__ hfa384x_NICIdentity_t; + +/*-- Information Record: MFISupRange --*/ +typedef struct hfa384x_MFISupRange +{ + UINT16 MFIRole; + UINT16 MFIID; + UINT16 MFIVariant; + UINT16 MFIBottom; + UINT16 MFITop; +} __WLAN_ATTRIB_PACK__ hfa384x_MFISupRange_t; + +/*-- Information Record: CFISupRange --*/ +typedef struct hfa384x_CFISupRange +{ + UINT16 CFIRole; + UINT16 CFIID; + UINT16 CFIVariant; + UINT16 CFIBottom; + UINT16 CFITop; +} __WLAN_ATTRIB_PACK__ hfa384x_CFISupRange_t; + +/*-- Information Record: BUILDSEQ:BuildSeq --*/ +typedef struct hfa384x_BuildSeq { + UINT16 primary; + UINT16 secondary; +} __WLAN_ATTRIB_PACK__ hfa384x_BuildSeq_t; + +/*-- Information Record: FWID --*/ +#define HFA384x_FWID_LEN 14 +typedef struct hfa384x_FWID { + UINT8 primary[HFA384x_FWID_LEN]; + UINT8 secondary[HFA384x_FWID_LEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_FWID_t; + +/*-- Information Record: ChannelList --*/ +typedef struct hfa384x_ChannelList +{ + UINT16 ChannelList; +} __WLAN_ATTRIB_PACK__ hfa384x_ChannelList_t; + +/*-- Information Record: RegulatoryDomains --*/ +typedef struct hfa384x_RegulatoryDomains +{ + UINT8 RegulatoryDomains[12]; +} __WLAN_ATTRIB_PACK__ hfa384x_RegulatoryDomains_t; + +/*-- Information Record: TempType --*/ +typedef struct hfa384x_TempType +{ + UINT16 TempType; +} __WLAN_ATTRIB_PACK__ hfa384x_TempType_t; + +/*-- Information Record: CIS --*/ +typedef struct hfa384x_CIS +{ + UINT8 CIS[480]; +} __WLAN_ATTRIB_PACK__ hfa384x_CIS_t; + +/*-- Information Record: STAIdentity --*/ +typedef struct hfa384x_STAIdentity +{ + UINT16 STACompID; + UINT16 STAVariant; + UINT16 STAMajorVersion; + UINT16 STAMinorVersion; +} __WLAN_ATTRIB_PACK__ hfa384x_STAIdentity_t; + +/*-- Information Record: STASupRange --*/ +typedef struct hfa384x_STASupRange +{ + UINT16 STARole; + UINT16 STAID; + UINT16 STAVariant; + UINT16 STABottom; + UINT16 STATop; +} __WLAN_ATTRIB_PACK__ hfa384x_STASupRange_t; + +/*-- Information Record: MFIActRanges --*/ +typedef struct hfa384x_MFIActRanges +{ + UINT16 MFIRole; + UINT16 MFIID; + UINT16 MFIVariant; + UINT16 MFIBottom; + UINT16 MFITop; +} __WLAN_ATTRIB_PACK__ hfa384x_MFIActRanges_t; + +/*-------------------------------------------------------------------- +Information Record Structures: NIC Information +--------------------------------------------------------------------*/ + +/*-- Information Record: PortStatus --*/ +typedef struct hfa384x_PortStatus +{ + UINT16 PortStatus; +} __WLAN_ATTRIB_PACK__ hfa384x_PortStatus_t; + +#define HFA384x_PSTATUS_DISABLED ((UINT16)1) +#define HFA384x_PSTATUS_SEARCHING ((UINT16)2) +#define HFA384x_PSTATUS_CONN_IBSS ((UINT16)3) +#define HFA384x_PSTATUS_CONN_ESS ((UINT16)4) +#define HFA384x_PSTATUS_OUTOFRANGE ((UINT16)5) +#define HFA384x_PSTATUS_CONN_WDS ((UINT16)6) + +/*-- Information Record: CurrentSSID --*/ +typedef struct hfa384x_CurrentSSID +{ + UINT8 CurrentSSID[34]; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentSSID_t; + +/*-- Information Record: CurrentBSSID --*/ +typedef struct hfa384x_CurrentBSSID +{ + UINT8 CurrentBSSID[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentBSSID_t; + +/*-- Information Record: commsquality --*/ +typedef struct hfa384x_commsquality +{ + UINT16 CQ_currBSS; + UINT16 ASL_currBSS; + UINT16 ANL_currFC; +} __WLAN_ATTRIB_PACK__ hfa384x_commsquality_t; + +/*-- Information Record: dmbcommsquality --*/ +typedef struct hfa384x_dbmcommsquality +{ + UINT16 CQdbm_currBSS; + UINT16 ASLdbm_currBSS; + UINT16 ANLdbm_currFC; +} __WLAN_ATTRIB_PACK__ hfa384x_dbmcommsquality_t; + +/*-- Information Record: CurrentTxRate --*/ +typedef struct hfa384x_CurrentTxRate +{ + UINT16 CurrentTxRate; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentTxRate_t; + +/*-- Information Record: CurrentBeaconInterval --*/ +typedef struct hfa384x_CurrentBeaconInterval +{ + UINT16 CurrentBeaconInterval; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentBeaconInterval_t; + +/*-- Information Record: CurrentScaleThresholds --*/ +typedef struct hfa384x_CurrentScaleThresholds +{ + UINT16 EnergyDetectThreshold; + UINT16 CarrierDetectThreshold; + UINT16 DeferDetectThreshold; + UINT16 CellSearchThreshold; /* Stations only */ + UINT16 DeadSpotThreshold; /* Stations only */ +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentScaleThresholds_t; + +/*-- Information Record: ProtocolRspTime --*/ +typedef struct hfa384x_ProtocolRspTime +{ + UINT16 ProtocolRspTime; +} __WLAN_ATTRIB_PACK__ hfa384x_ProtocolRspTime_t; + +/*-- Information Record: ShortRetryLimit --*/ +typedef struct hfa384x_ShortRetryLimit +{ + UINT16 ShortRetryLimit; +} __WLAN_ATTRIB_PACK__ hfa384x_ShortRetryLimit_t; + +/*-- Information Record: LongRetryLimit --*/ +typedef struct hfa384x_LongRetryLimit +{ + UINT16 LongRetryLimit; +} __WLAN_ATTRIB_PACK__ hfa384x_LongRetryLimit_t; + +/*-- Information Record: MaxTransmitLifetime --*/ +typedef struct hfa384x_MaxTransmitLifetime +{ + UINT16 MaxTransmitLifetime; +} __WLAN_ATTRIB_PACK__ hfa384x_MaxTransmitLifetime_t; + +/*-- Information Record: MaxReceiveLifetime --*/ +typedef struct hfa384x_MaxReceiveLifetime +{ + UINT16 MaxReceiveLifetime; +} __WLAN_ATTRIB_PACK__ hfa384x_MaxReceiveLifetime_t; + +/*-- Information Record: CFPollable --*/ +typedef struct hfa384x_CFPollable +{ + UINT16 CFPollable; +} __WLAN_ATTRIB_PACK__ hfa384x_CFPollable_t; + +/*-- Information Record: AuthenticationAlgorithms --*/ +typedef struct hfa384x_AuthenticationAlgorithms +{ + UINT16 AuthenticationType; + UINT16 TypeEnabled; +} __WLAN_ATTRIB_PACK__ hfa384x_AuthenticationAlgorithms_t; + +/*-- Information Record: AuthenticationAlgorithms +(data only --*/ +typedef struct hfa384x_AuthenticationAlgorithms_data +{ + UINT16 AuthenticationType; + UINT16 TypeEnabled; +} __WLAN_ATTRIB_PACK__ hfa384x_AuthenticationAlgorithms_data_t; + +/*-- Information Record: PrivacyOptionImplemented --*/ +typedef struct hfa384x_PrivacyOptionImplemented +{ + UINT16 PrivacyOptionImplemented; +} __WLAN_ATTRIB_PACK__ hfa384x_PrivacyOptionImplemented_t; + +/*-- Information Record: OwnMACAddress --*/ +typedef struct hfa384x_OwnMACAddress +{ + UINT8 OwnMACAddress[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_OwnMACAddress_t; + +/*-- Information Record: PCFInfo --*/ +typedef struct hfa384x_PCFInfo +{ + UINT16 MediumOccupancyLimit; + UINT16 CFPPeriod; + UINT16 CFPMaxDuration; + UINT16 CFPFlags; +} __WLAN_ATTRIB_PACK__ hfa384x_PCFInfo_t; + +/*-- Information Record: PCFInfo (data portion only) --*/ +typedef struct hfa384x_PCFInfo_data +{ + UINT16 MediumOccupancyLimit; + UINT16 CFPPeriod; + UINT16 CFPMaxDuration; + UINT16 CFPFlags; +} __WLAN_ATTRIB_PACK__ hfa384x_PCFInfo_data_t; + +/*-------------------------------------------------------------------- +Information Record Structures: Modem Information Records +--------------------------------------------------------------------*/ + +/*-- Information Record: PHYType --*/ +typedef struct hfa384x_PHYType +{ + UINT16 PHYType; +} __WLAN_ATTRIB_PACK__ hfa384x_PHYType_t; + +/*-- Information Record: CurrentChannel --*/ +typedef struct hfa384x_CurrentChannel +{ + UINT16 CurrentChannel; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentChannel_t; + +/*-- Information Record: CurrentPowerState --*/ +typedef struct hfa384x_CurrentPowerState +{ + UINT16 CurrentPowerState; +} __WLAN_ATTRIB_PACK__ hfa384x_CurrentPowerState_t; + +/*-- Information Record: CCAMode --*/ +typedef struct hfa384x_CCAMode +{ + UINT16 CCAMode; +} __WLAN_ATTRIB_PACK__ hfa384x_CCAMode_t; + +/*-- Information Record: SupportedDataRates --*/ +typedef struct hfa384x_SupportedDataRates +{ + UINT8 SupportedDataRates[10]; +} __WLAN_ATTRIB_PACK__ hfa384x_SupportedDataRates_t; + +/*-- Information Record: LFOStatus --*/ +typedef struct hfa384x_LFOStatus +{ + UINT16 TestResults; + UINT16 LFOResult; + UINT16 VRHFOResult; +} __WLAN_ATTRIB_PACK__ hfa384x_LFOStatus_t; + +#define HFA384x_TESTRESULT_ALLPASSED BIT0 +#define HFA384x_TESTRESULT_LFO_FAIL BIT1 +#define HFA384x_TESTRESULT_VR_HF0_FAIL BIT2 +#define HFA384x_HOST_FIRM_COORDINATE BIT7 +#define HFA384x_TESTRESULT_COORDINATE BIT15 + +/*-- Information Record: LEDControl --*/ +typedef struct hfa384x_LEDControl +{ + UINT16 searching_on; + UINT16 searching_off; + UINT16 assoc_on; + UINT16 assoc_off; + UINT16 activity; +} __WLAN_ATTRIB_PACK__ hfa384x_LEDControl_t; + +/*-------------------------------------------------------------------- + FRAME DESCRIPTORS AND FRAME STRUCTURES + +FRAME DESCRIPTORS: Offsets + +---------------------------------------------------------------------- +Control Info (offset 44-51) +--------------------------------------------------------------------*/ +#define HFA384x_FD_STATUS_OFF ((UINT16)0x44) +#define HFA384x_FD_TIME_OFF ((UINT16)0x46) +#define HFA384x_FD_SWSUPPORT_OFF ((UINT16)0x4A) +#define HFA384x_FD_SILENCE_OFF ((UINT16)0x4A) +#define HFA384x_FD_SIGNAL_OFF ((UINT16)0x4B) +#define HFA384x_FD_RATE_OFF ((UINT16)0x4C) +#define HFA384x_FD_RXFLOW_OFF ((UINT16)0x4D) +#define HFA384x_FD_RESERVED_OFF ((UINT16)0x4E) +#define HFA384x_FD_TXCONTROL_OFF ((UINT16)0x50) +/*-------------------------------------------------------------------- +802.11 Header (offset 52-6B) +--------------------------------------------------------------------*/ +#define HFA384x_FD_FRAMECONTROL_OFF ((UINT16)0x52) +#define HFA384x_FD_DURATIONID_OFF ((UINT16)0x54) +#define HFA384x_FD_ADDRESS1_OFF ((UINT16)0x56) +#define HFA384x_FD_ADDRESS2_OFF ((UINT16)0x5C) +#define HFA384x_FD_ADDRESS3_OFF ((UINT16)0x62) +#define HFA384x_FD_SEQCONTROL_OFF ((UINT16)0x68) +#define HFA384x_FD_ADDRESS4_OFF ((UINT16)0x6A) +#define HFA384x_FD_DATALEN_OFF ((UINT16)0x70) +/*-------------------------------------------------------------------- +802.3 Header (offset 72-7F) +--------------------------------------------------------------------*/ +#define HFA384x_FD_DESTADDRESS_OFF ((UINT16)0x72) +#define HFA384x_FD_SRCADDRESS_OFF ((UINT16)0x78) +#define HFA384x_FD_DATALENGTH_OFF ((UINT16)0x7E) + +/*-------------------------------------------------------------------- +FRAME STRUCTURES: Communication Frames +---------------------------------------------------------------------- +Communication Frames: Transmit Frames +--------------------------------------------------------------------*/ +/*-- Communication Frame: Transmit Frame Structure --*/ +typedef struct hfa384x_tx_frame +{ + UINT16 status; + UINT16 reserved1; + UINT16 reserved2; + UINT32 sw_support; + UINT8 tx_retrycount; + UINT8 tx_rate; + UINT16 tx_control; + + /*-- 802.11 Header Information --*/ + + UINT16 frame_control; + UINT16 duration_id; + UINT8 address1[6]; + UINT8 address2[6]; + UINT8 address3[6]; + UINT16 sequence_control; + UINT8 address4[6]; + UINT16 data_len; /* little endian format */ + + /*-- 802.3 Header Information --*/ + + UINT8 dest_addr[6]; + UINT8 src_addr[6]; + UINT16 data_length; /* big endian format */ +} __WLAN_ATTRIB_PACK__ hfa384x_tx_frame_t; +/*-------------------------------------------------------------------- +Communication Frames: Field Masks for Transmit Frames +--------------------------------------------------------------------*/ +/*-- Status Field --*/ +#define HFA384x_TXSTATUS_ACKERR ((UINT16)BIT5) +#define HFA384x_TXSTATUS_FORMERR ((UINT16)BIT3) +#define HFA384x_TXSTATUS_DISCON ((UINT16)BIT2) +#define HFA384x_TXSTATUS_AGEDERR ((UINT16)BIT1) +#define HFA384x_TXSTATUS_RETRYERR ((UINT16)BIT0) +/*-- Transmit Control Field --*/ +#define HFA384x_TX_CFPOLL ((UINT16)BIT12) +#define HFA384x_TX_PRST ((UINT16)BIT11) +#define HFA384x_TX_MACPORT ((UINT16)(BIT10 | BIT9 | BIT8)) +#define HFA384x_TX_NOENCRYPT ((UINT16)BIT7) +#define HFA384x_TX_RETRYSTRAT ((UINT16)(BIT6 | BIT5)) +#define HFA384x_TX_STRUCTYPE ((UINT16)(BIT4 | BIT3)) +#define HFA384x_TX_TXEX ((UINT16)BIT2) +#define HFA384x_TX_TXOK ((UINT16)BIT1) +/*-------------------------------------------------------------------- +Communication Frames: Test/Get/Set Field Values for Transmit Frames +--------------------------------------------------------------------*/ +/*-- Status Field --*/ +#define HFA384x_TXSTATUS_ISERROR(v) \ + (((UINT16)(v))&\ + (HFA384x_TXSTATUS_ACKERR|HFA384x_TXSTATUS_FORMERR|\ + HFA384x_TXSTATUS_DISCON|HFA384x_TXSTATUS_AGEDERR|\ + HFA384x_TXSTATUS_RETRYERR)) + +#define HFA384x_TXSTATUS_ISACKERR(v) ((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_ACKERR)) +#define HFA384x_TXSTATUS_ISFORMERR(v) ((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_FORMERR)) +#define HFA384x_TXSTATUS_ISDISCON(v) ((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_DISCON)) +#define HFA384x_TXSTATUS_ISAGEDERR(v) ((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_AGEDERR)) +#define HFA384x_TXSTATUS_ISRETRYERR(v) ((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_RETRYERR)) + +#define HFA384x_TX_GET(v,m,s) ((((UINT16)(v))&((UINT16)(m)))>>((UINT16)(s))) +#define HFA384x_TX_SET(v,m,s) ((((UINT16)(v))<<((UINT16)(s)))&((UINT16)(m))) + +#define HFA384x_TX_CFPOLL_GET(v) HFA384x_TX_GET(v, HFA384x_TX_CFPOLL,12) +#define HFA384x_TX_CFPOLL_SET(v) HFA384x_TX_SET(v, HFA384x_TX_CFPOLL,12) +#define HFA384x_TX_PRST_GET(v) HFA384x_TX_GET(v, HFA384x_TX_PRST,11) +#define HFA384x_TX_PRST_SET(v) HFA384x_TX_SET(v, HFA384x_TX_PRST,11) +#define HFA384x_TX_MACPORT_GET(v) HFA384x_TX_GET(v, HFA384x_TX_MACPORT, 8) +#define HFA384x_TX_MACPORT_SET(v) HFA384x_TX_SET(v, HFA384x_TX_MACPORT, 8) +#define HFA384x_TX_NOENCRYPT_GET(v) HFA384x_TX_GET(v, HFA384x_TX_NOENCRYPT, 7) +#define HFA384x_TX_NOENCRYPT_SET(v) HFA384x_TX_SET(v, HFA384x_TX_NOENCRYPT, 7) +#define HFA384x_TX_RETRYSTRAT_GET(v) HFA384x_TX_GET(v, HFA384x_TX_RETRYSTRAT, 5) +#define HFA384x_TX_RETRYSTRAT_SET(v) HFA384x_TX_SET(v, HFA384x_TX_RETRYSTRAT, 5) +#define HFA384x_TX_STRUCTYPE_GET(v) HFA384x_TX_GET(v, HFA384x_TX_STRUCTYPE, 3) +#define HFA384x_TX_STRUCTYPE_SET(v) HFA384x_TX_SET(v, HFA384x_TX_STRUCTYPE, 3) +#define HFA384x_TX_TXEX_GET(v) HFA384x_TX_GET(v, HFA384x_TX_TXEX, 2) +#define HFA384x_TX_TXEX_SET(v) HFA384x_TX_SET(v, HFA384x_TX_TXEX, 2) +#define HFA384x_TX_TXOK_GET(v) HFA384x_TX_GET(v, HFA384x_TX_TXOK, 1) +#define HFA384x_TX_TXOK_SET(v) HFA384x_TX_SET(v, HFA384x_TX_TXOK, 1) +/*-------------------------------------------------------------------- +Communication Frames: Receive Frames +--------------------------------------------------------------------*/ +/*-- Communication Frame: Receive Frame Structure --*/ +typedef struct hfa384x_rx_frame +{ + /*-- MAC rx descriptor (hfa384x byte order) --*/ + UINT16 status; + UINT32 time; + UINT8 silence; + UINT8 signal; + UINT8 rate; + UINT8 rx_flow; + UINT16 reserved1; + UINT16 reserved2; + + /*-- 802.11 Header Information (802.11 byte order) --*/ + UINT16 frame_control; + UINT16 duration_id; + UINT8 address1[6]; + UINT8 address2[6]; + UINT8 address3[6]; + UINT16 sequence_control; + UINT8 address4[6]; + UINT16 data_len; /* hfa384x (little endian) format */ + + /*-- 802.3 Header Information --*/ + UINT8 dest_addr[6]; + UINT8 src_addr[6]; + UINT16 data_length; /* IEEE? (big endian) format */ +} __WLAN_ATTRIB_PACK__ hfa384x_rx_frame_t; +/*-------------------------------------------------------------------- +Communication Frames: Field Masks for Receive Frames +--------------------------------------------------------------------*/ +/*-- Offsets --------*/ +#define HFA384x_RX_DATA_LEN_OFF ((UINT16)44) +#define HFA384x_RX_80211HDR_OFF ((UINT16)14) +#define HFA384x_RX_DATA_OFF ((UINT16)60) + +/*-- Status Fields --*/ +#define HFA384x_RXSTATUS_MSGTYPE ((UINT16)(BIT15 | BIT14 | BIT13)) +#define HFA384x_RXSTATUS_MACPORT ((UINT16)(BIT10 | BIT9 | BIT8)) +#define HFA384x_RXSTATUS_UNDECR ((UINT16)BIT1) +#define HFA384x_RXSTATUS_FCSERR ((UINT16)BIT0) +/*-------------------------------------------------------------------- +Communication Frames: Test/Get/Set Field Values for Receive Frames +--------------------------------------------------------------------*/ +#define HFA384x_RXSTATUS_MSGTYPE_GET(value) ((UINT16)((((UINT16)(value)) & HFA384x_RXSTATUS_MSGTYPE) >> 13)) +#define HFA384x_RXSTATUS_MSGTYPE_SET(value) ((UINT16)(((UINT16)(value)) << 13)) +#define HFA384x_RXSTATUS_MACPORT_GET(value) ((UINT16)((((UINT16)(value)) & HFA384x_RXSTATUS_MACPORT) >> 8)) +#define HFA384x_RXSTATUS_MACPORT_SET(value) ((UINT16)(((UINT16)(value)) << 8)) +#define HFA384x_RXSTATUS_ISUNDECR(value) ((UINT16)(((UINT16)(value)) & HFA384x_RXSTATUS_UNDECR)) +#define HFA384x_RXSTATUS_ISFCSERR(value) ((UINT16)(((UINT16)(value)) & HFA384x_RXSTATUS_FCSERR)) +/*-------------------------------------------------------------------- + FRAME STRUCTURES: Information Types and Information Frame Structures +---------------------------------------------------------------------- +Information Types +--------------------------------------------------------------------*/ +#define HFA384x_IT_HANDOVERADDR ((UINT16)0xF000UL) +#define HFA384x_IT_HANDOVERDEAUTHADDRESS ((UINT16)0xF001UL)//AP 1.3.7 +#define HFA384x_IT_COMMTALLIES ((UINT16)0xF100UL) +#define HFA384x_IT_SCANRESULTS ((UINT16)0xF101UL) +#define HFA384x_IT_CHINFORESULTS ((UINT16)0xF102UL) +#define HFA384x_IT_HOSTSCANRESULTS ((UINT16)0xF103UL) +#define HFA384x_IT_LINKSTATUS ((UINT16)0xF200UL) +#define HFA384x_IT_ASSOCSTATUS ((UINT16)0xF201UL) +#define HFA384x_IT_AUTHREQ ((UINT16)0xF202UL) +#define HFA384x_IT_PSUSERCNT ((UINT16)0xF203UL) +#define HFA384x_IT_KEYIDCHANGED ((UINT16)0xF204UL) +#define HFA384x_IT_ASSOCREQ ((UINT16)0xF205UL) +#define HFA384x_IT_MICFAILURE ((UINT16)0xF206UL) + +/*-------------------------------------------------------------------- +Information Frames Structures +---------------------------------------------------------------------- +Information Frames: Notification Frame Structures +--------------------------------------------------------------------*/ +/*-- Notification Frame,MAC Mgmt: Handover Address --*/ +typedef struct hfa384x_HandoverAddr +{ + UINT16 framelen; + UINT16 infotype; + UINT8 handover_addr[WLAN_BSSID_LEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_HandoverAddr_t; + +/*-- Inquiry Frame, Diagnose: Communication Tallies --*/ +typedef struct hfa384x_CommTallies16 +{ + UINT16 txunicastframes; + UINT16 txmulticastframes; + UINT16 txfragments; + UINT16 txunicastoctets; + UINT16 txmulticastoctets; + UINT16 txdeferredtrans; + UINT16 txsingleretryframes; + UINT16 txmultipleretryframes; + UINT16 txretrylimitexceeded; + UINT16 txdiscards; + UINT16 rxunicastframes; + UINT16 rxmulticastframes; + UINT16 rxfragments; + UINT16 rxunicastoctets; + UINT16 rxmulticastoctets; + UINT16 rxfcserrors; + UINT16 rxdiscardsnobuffer; + UINT16 txdiscardswrongsa; + UINT16 rxdiscardswepundecr; + UINT16 rxmsginmsgfrag; + UINT16 rxmsginbadmsgfrag; +} __WLAN_ATTRIB_PACK__ hfa384x_CommTallies16_t; + +typedef struct hfa384x_CommTallies32 +{ + UINT32 txunicastframes; + UINT32 txmulticastframes; + UINT32 txfragments; + UINT32 txunicastoctets; + UINT32 txmulticastoctets; + UINT32 txdeferredtrans; + UINT32 txsingleretryframes; + UINT32 txmultipleretryframes; + UINT32 txretrylimitexceeded; + UINT32 txdiscards; + UINT32 rxunicastframes; + UINT32 rxmulticastframes; + UINT32 rxfragments; + UINT32 rxunicastoctets; + UINT32 rxmulticastoctets; + UINT32 rxfcserrors; + UINT32 rxdiscardsnobuffer; + UINT32 txdiscardswrongsa; + UINT32 rxdiscardswepundecr; + UINT32 rxmsginmsgfrag; + UINT32 rxmsginbadmsgfrag; +} __WLAN_ATTRIB_PACK__ hfa384x_CommTallies32_t; + +/*-- Inquiry Frame, Diagnose: Scan Results & Subfields--*/ +typedef struct hfa384x_ScanResultSub +{ + UINT16 chid; + UINT16 anl; + UINT16 sl; + UINT8 bssid[WLAN_BSSID_LEN]; + UINT16 bcnint; + UINT16 capinfo; + hfa384x_bytestr32_t ssid; + UINT8 supprates[10]; /* 802.11 info element */ + UINT16 proberesp_rate; +} __WLAN_ATTRIB_PACK__ hfa384x_ScanResultSub_t; + +typedef struct hfa384x_ScanResult +{ + UINT16 rsvd; + UINT16 scanreason; + hfa384x_ScanResultSub_t + result[HFA384x_SCANRESULT_MAX]; +} __WLAN_ATTRIB_PACK__ hfa384x_ScanResult_t; + +/*-- Inquiry Frame, Diagnose: ChInfo Results & Subfields--*/ +typedef struct hfa384x_ChInfoResultSub +{ + UINT16 chid; + UINT16 anl; + UINT16 pnl; + UINT16 active; +} __WLAN_ATTRIB_PACK__ hfa384x_ChInfoResultSub_t; + +#define HFA384x_CHINFORESULT_BSSACTIVE BIT0 +#define HFA384x_CHINFORESULT_PCFACTIVE BIT1 + +typedef struct hfa384x_ChInfoResult +{ + UINT16 scanchannels; + hfa384x_ChInfoResultSub_t + result[HFA384x_CHINFORESULT_MAX]; +} __WLAN_ATTRIB_PACK__ hfa384x_ChInfoResult_t; + +/*-- Inquiry Frame, Diagnose: Host Scan Results & Subfields--*/ +typedef struct hfa384x_HScanResultSub +{ + UINT16 chid; + UINT16 anl; + UINT16 sl; + UINT8 bssid[WLAN_BSSID_LEN]; + UINT16 bcnint; + UINT16 capinfo; + hfa384x_bytestr32_t ssid; + UINT8 supprates[10]; /* 802.11 info element */ + UINT16 proberesp_rate; + UINT16 atim; +} __WLAN_ATTRIB_PACK__ hfa384x_HScanResultSub_t; + +typedef struct hfa384x_HScanResult +{ + UINT16 nresult; + UINT16 rsvd; + hfa384x_HScanResultSub_t + result[HFA384x_HSCANRESULT_MAX]; +} __WLAN_ATTRIB_PACK__ hfa384x_HScanResult_t; + +/*-- Unsolicited Frame, MAC Mgmt: LinkStatus --*/ + +#define HFA384x_LINK_NOTCONNECTED ((UINT16)0) +#define HFA384x_LINK_CONNECTED ((UINT16)1) +#define HFA384x_LINK_DISCONNECTED ((UINT16)2) +#define HFA384x_LINK_AP_CHANGE ((UINT16)3) +#define HFA384x_LINK_AP_OUTOFRANGE ((UINT16)4) +#define HFA384x_LINK_AP_INRANGE ((UINT16)5) +#define HFA384x_LINK_ASSOCFAIL ((UINT16)6) + +typedef struct hfa384x_LinkStatus +{ + UINT16 linkstatus; +} __WLAN_ATTRIB_PACK__ hfa384x_LinkStatus_t; + + +/*-- Unsolicited Frame, MAC Mgmt: AssociationStatus (--*/ + +#define HFA384x_ASSOCSTATUS_STAASSOC ((UINT16)1) +#define HFA384x_ASSOCSTATUS_REASSOC ((UINT16)2) +#define HFA384x_ASSOCSTATUS_DISASSOC ((UINT16)3) +#define HFA384x_ASSOCSTATUS_ASSOCFAIL ((UINT16)4) +#define HFA384x_ASSOCSTATUS_AUTHFAIL ((UINT16)5) + +typedef struct hfa384x_AssocStatus +{ + UINT16 assocstatus; + UINT8 sta_addr[WLAN_ADDR_LEN]; + /* old_ap_addr is only valid if assocstatus == 2 */ + UINT8 old_ap_addr[WLAN_ADDR_LEN]; + UINT16 reason; + UINT16 reserved; +} __WLAN_ATTRIB_PACK__ hfa384x_AssocStatus_t; + +/*-- Unsolicited Frame, MAC Mgmt: AuthRequest (AP Only) --*/ + +typedef struct hfa384x_AuthRequest +{ + UINT8 sta_addr[WLAN_ADDR_LEN]; + UINT16 algorithm; +} __WLAN_ATTRIB_PACK__ hfa384x_AuthReq_t; + +/*-- Unsolicited Frame, MAC Mgmt: AssocRequest (AP Only) --*/ + +typedef struct hfa384x_AssocRequest +{ + UINT8 sta_addr[WLAN_ADDR_LEN]; + UINT16 type; + UINT8 wpa_data[80]; +} __WLAN_ATTRIB_PACK__ hfa384x_AssocReq_t; + + +#define HFA384x_ASSOCREQ_TYPE_ASSOC 0 +#define HFA384x_ASSOCREQ_TYPE_REASSOC 1 + +/*-- Unsolicited Frame, MAC Mgmt: MIC Failure (AP Only) --*/ + +typedef struct hfa384x_MicFailure +{ + UINT8 sender[WLAN_ADDR_LEN]; + UINT8 dest[WLAN_ADDR_LEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_MicFailure_t; + +/*-- Unsolicited Frame, MAC Mgmt: PSUserCount (AP Only) --*/ + +typedef struct hfa384x_PSUserCount +{ + UINT16 usercnt; +} __WLAN_ATTRIB_PACK__ hfa384x_PSUserCount_t; + +typedef struct hfa384x_KeyIDChanged +{ + UINT8 sta_addr[WLAN_ADDR_LEN]; + UINT16 keyid; +} __WLAN_ATTRIB_PACK__ hfa384x_KeyIDChanged_t; + +/*-- Collection of all Inf frames ---------------*/ +typedef union hfa384x_infodata { + hfa384x_CommTallies16_t commtallies16; + hfa384x_CommTallies32_t commtallies32; + hfa384x_ScanResult_t scanresult; + hfa384x_ChInfoResult_t chinforesult; + hfa384x_HScanResult_t hscanresult; + hfa384x_LinkStatus_t linkstatus; + hfa384x_AssocStatus_t assocstatus; + hfa384x_AuthReq_t authreq; + hfa384x_PSUserCount_t psusercnt; + hfa384x_KeyIDChanged_t keyidchanged; +} __WLAN_ATTRIB_PACK__ hfa384x_infodata_t; + +typedef struct hfa384x_InfFrame +{ + UINT16 framelen; + UINT16 infotype; + hfa384x_infodata_t info; +} __WLAN_ATTRIB_PACK__ hfa384x_InfFrame_t; + +#if (WLAN_HOSTIF == WLAN_USB) +/*-------------------------------------------------------------------- +USB Packet structures and constants. +--------------------------------------------------------------------*/ + +/* Should be sent to the ctrlout endpoint */ +#define HFA384x_USB_ENBULKIN 6 + +/* Should be sent to the bulkout endpoint */ +#define HFA384x_USB_TXFRM 0 +#define HFA384x_USB_CMDREQ 1 +#define HFA384x_USB_WRIDREQ 2 +#define HFA384x_USB_RRIDREQ 3 +#define HFA384x_USB_WMEMREQ 4 +#define HFA384x_USB_RMEMREQ 5 + +/* Received from the bulkin endpoint */ +#define HFA384x_USB_ISFRM(a) (!((a) & 0x8000)) +#define HFA384x_USB_ISTXFRM(a) (((a) & 0x9000) == 0x1000) +#define HFA384x_USB_ISRXFRM(a) (!((a) & 0x9000)) +#define HFA384x_USB_INFOFRM 0x8000 +#define HFA384x_USB_CMDRESP 0x8001 +#define HFA384x_USB_WRIDRESP 0x8002 +#define HFA384x_USB_RRIDRESP 0x8003 +#define HFA384x_USB_WMEMRESP 0x8004 +#define HFA384x_USB_RMEMRESP 0x8005 +#define HFA384x_USB_BUFAVAIL 0x8006 +#define HFA384x_USB_ERROR 0x8007 + +/*------------------------------------*/ +/* Request (bulk OUT) packet contents */ + +typedef struct hfa384x_usb_txfrm { + hfa384x_tx_frame_t desc; + UINT8 data[WLAN_DATA_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_txfrm_t; + +typedef struct hfa384x_usb_cmdreq { + UINT16 type; + UINT16 cmd; + UINT16 parm0; + UINT16 parm1; + UINT16 parm2; + UINT8 pad[54]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_cmdreq_t; + +typedef struct hfa384x_usb_wridreq { + UINT16 type; + UINT16 frmlen; + UINT16 rid; + UINT8 data[HFA384x_RIDDATA_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_wridreq_t; + +typedef struct hfa384x_usb_rridreq { + UINT16 type; + UINT16 frmlen; + UINT16 rid; + UINT8 pad[58]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_rridreq_t; + +typedef struct hfa384x_usb_wmemreq { + UINT16 type; + UINT16 frmlen; + UINT16 offset; + UINT16 page; + UINT8 data[HFA384x_USB_RWMEM_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_wmemreq_t; + +typedef struct hfa384x_usb_rmemreq { + UINT16 type; + UINT16 frmlen; + UINT16 offset; + UINT16 page; + UINT8 pad[56]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_rmemreq_t; + +/*------------------------------------*/ +/* Response (bulk IN) packet contents */ + +typedef struct hfa384x_usb_rxfrm { + hfa384x_rx_frame_t desc; + UINT8 data[WLAN_DATA_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_rxfrm_t; + +typedef struct hfa384x_usb_infofrm { + UINT16 type; + hfa384x_InfFrame_t info; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_infofrm_t; + +typedef struct hfa384x_usb_statusresp { + UINT16 type; + UINT16 status; + UINT16 resp0; + UINT16 resp1; + UINT16 resp2; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_cmdresp_t; + +typedef hfa384x_usb_cmdresp_t hfa384x_usb_wridresp_t; + +typedef struct hfa384x_usb_rridresp { + UINT16 type; + UINT16 frmlen; + UINT16 rid; + UINT8 data[HFA384x_RIDDATA_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_rridresp_t; + +typedef hfa384x_usb_cmdresp_t hfa384x_usb_wmemresp_t; + +typedef struct hfa384x_usb_rmemresp { + UINT16 type; + UINT16 frmlen; + UINT8 data[HFA384x_USB_RWMEM_MAXLEN]; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_rmemresp_t; + +typedef struct hfa384x_usb_bufavail { + UINT16 type; + UINT16 frmlen; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_bufavail_t; + +typedef struct hfa384x_usb_error { + UINT16 type; + UINT16 errortype; +} __WLAN_ATTRIB_PACK__ hfa384x_usb_error_t; + +/*----------------------------------------------------------*/ +/* Unions for packaging all the known packet types together */ + +typedef union hfa384x_usbout { + UINT16 type; + hfa384x_usb_txfrm_t txfrm; + hfa384x_usb_cmdreq_t cmdreq; + hfa384x_usb_wridreq_t wridreq; + hfa384x_usb_rridreq_t rridreq; + hfa384x_usb_wmemreq_t wmemreq; + hfa384x_usb_rmemreq_t rmemreq; +} __WLAN_ATTRIB_PACK__ hfa384x_usbout_t; + +typedef union hfa384x_usbin { + UINT16 type; + hfa384x_usb_rxfrm_t rxfrm; + hfa384x_usb_txfrm_t txfrm; + hfa384x_usb_infofrm_t infofrm; + hfa384x_usb_cmdresp_t cmdresp; + hfa384x_usb_wridresp_t wridresp; + hfa384x_usb_rridresp_t rridresp; + hfa384x_usb_wmemresp_t wmemresp; + hfa384x_usb_rmemresp_t rmemresp; + hfa384x_usb_bufavail_t bufavail; + hfa384x_usb_error_t usberror; + UINT8 boguspad[3000]; +} __WLAN_ATTRIB_PACK__ hfa384x_usbin_t; + +#endif /* WLAN_USB */ + +/*-------------------------------------------------------------------- +PD record structures. +--------------------------------------------------------------------*/ + +typedef struct hfa384x_pdr_pcb_partnum +{ + UINT8 num[8]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_pcb_partnum_t; + +typedef struct hfa384x_pdr_pcb_tracenum +{ + UINT8 num[8]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_pcb_tracenum_t; + +typedef struct hfa384x_pdr_nic_serial +{ + UINT8 num[12]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_serial_t; + +typedef struct hfa384x_pdr_mkk_measurements +{ + double carrier_freq; + double occupied_band; + double power_density; + double tx_spur_f1; + double tx_spur_f2; + double tx_spur_f3; + double tx_spur_f4; + double tx_spur_l1; + double tx_spur_l2; + double tx_spur_l3; + double tx_spur_l4; + double rx_spur_f1; + double rx_spur_f2; + double rx_spur_l1; + double rx_spur_l2; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mkk_measurements_t; + +typedef struct hfa384x_pdr_nic_ramsize +{ + UINT8 size[12]; /* units of KB */ +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_ramsize_t; + +typedef struct hfa384x_pdr_mfisuprange +{ + UINT16 id; + UINT16 variant; + UINT16 bottom; + UINT16 top; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mfisuprange_t; + +typedef struct hfa384x_pdr_cfisuprange +{ + UINT16 id; + UINT16 variant; + UINT16 bottom; + UINT16 top; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_cfisuprange_t; + +typedef struct hfa384x_pdr_nicid +{ + UINT16 id; + UINT16 variant; + UINT16 major; + UINT16 minor; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nicid_t; + + +typedef struct hfa384x_pdr_refdac_measurements +{ + UINT16 value[0]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_refdac_measurements_t; + +typedef struct hfa384x_pdr_vgdac_measurements +{ + UINT16 value[0]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_vgdac_measurements_t; + +typedef struct hfa384x_pdr_level_comp_measurements +{ + UINT16 value[0]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_level_compc_measurements_t; + +typedef struct hfa384x_pdr_mac_address +{ + UINT8 addr[6]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mac_address_t; + +typedef struct hfa384x_pdr_mkk_callname +{ + UINT8 callname[8]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mkk_callname_t; + +typedef struct hfa384x_pdr_regdomain +{ + UINT16 numdomains; + UINT16 domain[5]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_regdomain_t; + +typedef struct hfa384x_pdr_allowed_channel +{ + UINT16 ch_bitmap; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_allowed_channel_t; + +typedef struct hfa384x_pdr_default_channel +{ + UINT16 channel; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_default_channel_t; + +typedef struct hfa384x_pdr_privacy_option +{ + UINT16 available; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_privacy_option_t; + +typedef struct hfa384x_pdr_temptype +{ + UINT16 type; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_temptype_t; + +typedef struct hfa384x_pdr_refdac_setup +{ + UINT16 ch_value[14]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_refdac_setup_t; + +typedef struct hfa384x_pdr_vgdac_setup +{ + UINT16 ch_value[14]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_vgdac_setup_t; + +typedef struct hfa384x_pdr_level_comp_setup +{ + UINT16 ch_value[14]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_level_comp_setup_t; + +typedef struct hfa384x_pdr_trimdac_setup +{ + UINT16 trimidac; + UINT16 trimqdac; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_trimdac_setup_t; + +typedef struct hfa384x_pdr_ifr_setting +{ + UINT16 value[3]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_ifr_setting_t; + +typedef struct hfa384x_pdr_rfr_setting +{ + UINT16 value[3]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_rfr_setting_t; + +typedef struct hfa384x_pdr_hfa3861_baseline +{ + UINT16 value[50]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_baseline_t; + +typedef struct hfa384x_pdr_hfa3861_shadow +{ + UINT32 value[32]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_shadow_t; + +typedef struct hfa384x_pdr_hfa3861_ifrf +{ + UINT32 value[20]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_ifrf_t; + +typedef struct hfa384x_pdr_hfa3861_chcalsp +{ + UINT16 value[14]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_chcalsp_t; + +typedef struct hfa384x_pdr_hfa3861_chcali +{ + UINT16 value[17]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_chcali_t; + +typedef struct hfa384x_pdr_hfa3861_nic_config +{ + UINT16 config_bitmap; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_config_t; + +typedef struct hfa384x_pdr_hfo_delay +{ + UINT8 hfo_delay; +} __WLAN_ATTRIB_PACK__ hfa384x_hfo_delay_t; + +typedef struct hfa384x_pdr_hfa3861_manf_testsp +{ + UINT16 value[30]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_manf_testsp_t; + +typedef struct hfa384x_pdr_hfa3861_manf_testi +{ + UINT16 value[30]; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_manf_testi_t; + +typedef struct hfa384x_end_of_pda +{ + UINT16 crc; +} __WLAN_ATTRIB_PACK__ hfa384x_pdr_end_of_pda_t; + +typedef struct hfa384x_pdrec +{ + UINT16 len; /* in words */ + UINT16 code; + union pdr { + hfa384x_pdr_pcb_partnum_t pcb_partnum; + hfa384x_pdr_pcb_tracenum_t pcb_tracenum; + hfa384x_pdr_nic_serial_t nic_serial; + hfa384x_pdr_mkk_measurements_t mkk_measurements; + hfa384x_pdr_nic_ramsize_t nic_ramsize; + hfa384x_pdr_mfisuprange_t mfisuprange; + hfa384x_pdr_cfisuprange_t cfisuprange; + hfa384x_pdr_nicid_t nicid; + hfa384x_pdr_refdac_measurements_t refdac_measurements; + hfa384x_pdr_vgdac_measurements_t vgdac_measurements; + hfa384x_pdr_level_compc_measurements_t level_compc_measurements; + hfa384x_pdr_mac_address_t mac_address; + hfa384x_pdr_mkk_callname_t mkk_callname; + hfa384x_pdr_regdomain_t regdomain; + hfa384x_pdr_allowed_channel_t allowed_channel; + hfa384x_pdr_default_channel_t default_channel; + hfa384x_pdr_privacy_option_t privacy_option; + hfa384x_pdr_temptype_t temptype; + hfa384x_pdr_refdac_setup_t refdac_setup; + hfa384x_pdr_vgdac_setup_t vgdac_setup; + hfa384x_pdr_level_comp_setup_t level_comp_setup; + hfa384x_pdr_trimdac_setup_t trimdac_setup; + hfa384x_pdr_ifr_setting_t ifr_setting; + hfa384x_pdr_rfr_setting_t rfr_setting; + hfa384x_pdr_hfa3861_baseline_t hfa3861_baseline; + hfa384x_pdr_hfa3861_shadow_t hfa3861_shadow; + hfa384x_pdr_hfa3861_ifrf_t hfa3861_ifrf; + hfa384x_pdr_hfa3861_chcalsp_t hfa3861_chcalsp; + hfa384x_pdr_hfa3861_chcali_t hfa3861_chcali; + hfa384x_pdr_nic_config_t nic_config; + hfa384x_hfo_delay_t hfo_delay; + hfa384x_pdr_hfa3861_manf_testsp_t hfa3861_manf_testsp; + hfa384x_pdr_hfa3861_manf_testi_t hfa3861_manf_testi; + hfa384x_pdr_end_of_pda_t end_of_pda; + + } data; +} __WLAN_ATTRIB_PACK__ hfa384x_pdrec_t; + + +#ifdef __KERNEL__ +/*-------------------------------------------------------------------- +--- MAC state structure, argument to all functions -- +--- Also, a collection of support types -- +--------------------------------------------------------------------*/ +typedef struct hfa384x_statusresult +{ + UINT16 status; + UINT16 resp0; + UINT16 resp1; + UINT16 resp2; +} hfa384x_cmdresult_t; + +#if (WLAN_HOSTIF == WLAN_USB) + +/* USB Control Exchange (CTLX): + * A queue of the structure below is maintained for all of the + * Request/Response type USB packets supported by Prism2. + */ +/* The following hfa384x_* structures are arguments to + * the usercb() for the different CTLX types. + */ +typedef hfa384x_cmdresult_t hfa384x_wridresult_t; +typedef hfa384x_cmdresult_t hfa384x_wmemresult_t; + +typedef struct hfa384x_rridresult +{ + UINT16 rid; + const void *riddata; + UINT riddata_len; +} hfa384x_rridresult_t; + +enum ctlx_state { + CTLX_START = 0, /* Start state, not queued */ + + CTLX_COMPLETE, /* CTLX successfully completed */ + CTLX_REQ_FAILED, /* OUT URB completed w/ error */ + + CTLX_PENDING, /* Queued, data valid */ + CTLX_REQ_SUBMITTED, /* OUT URB submitted */ + CTLX_REQ_COMPLETE, /* OUT URB complete */ + CTLX_RESP_COMPLETE /* IN URB received */ +}; +typedef enum ctlx_state CTLX_STATE; + +struct hfa384x_usbctlx; +struct hfa384x; + +typedef void (*ctlx_cmdcb_t)( struct hfa384x*, const struct hfa384x_usbctlx* ); + +typedef void (*ctlx_usercb_t)( + struct hfa384x *hw, + void *ctlxresult, + void *usercb_data); + +typedef struct hfa384x_usbctlx +{ + struct list_head list; + + size_t outbufsize; + hfa384x_usbout_t outbuf; /* pkt buf for OUT */ + hfa384x_usbin_t inbuf; /* pkt buf for IN(a copy) */ + + CTLX_STATE state; /* Tracks running state */ + + struct completion done; + volatile int reapable; /* Food for the reaper task */ + + ctlx_cmdcb_t cmdcb; /* Async command callback */ + ctlx_usercb_t usercb; /* Async user callback, */ + void *usercb_data; /* at CTLX completion */ + + int variant; /* Identifies cmd variant */ +} hfa384x_usbctlx_t; + +typedef struct hfa384x_usbctlxq +{ + spinlock_t lock; + struct list_head pending; + struct list_head active; + struct list_head completing; + struct list_head reapable; +} hfa384x_usbctlxq_t; +#endif + +typedef struct hfa484x_metacmd +{ + UINT16 cmd; + + UINT16 parm0; + UINT16 parm1; + UINT16 parm2; + +#if 0 //XXX cmd irq stuff + UINT16 bulkid; /* what RID/FID to copy down. */ + int bulklen; /* how much to copy from BAP */ + char *bulkdata; /* And to where? */ +#endif + + hfa384x_cmdresult_t result; +} hfa384x_metacmd_t; + +#define MAX_PRISM2_GRP_ADDR 16 +#define MAX_GRP_ADDR 32 +#define WLAN_COMMENT_MAX 80 /* Max. length of user comment string. */ + +#define MM_SAT_PCF (BIT14) +#define MM_GCSD_PCF (BIT15) +#define MM_GCSD_PCF_EB (BIT14 | BIT15) + +#define WLAN_STATE_STOPPED 0 /* Network is not active. */ +#define WLAN_STATE_STARTED 1 /* Network has been started. */ + +#define WLAN_AUTH_MAX 60 /* Max. # of authenticated stations. */ +#define WLAN_ACCESS_MAX 60 /* Max. # of stations in an access list. */ +#define WLAN_ACCESS_NONE 0 /* No stations may be authenticated. */ +#define WLAN_ACCESS_ALL 1 /* All stations may be authenticated. */ +#define WLAN_ACCESS_ALLOW 2 /* Authenticate only "allowed" stations. */ +#define WLAN_ACCESS_DENY 3 /* Do not authenticate "denied" stations. */ + +/* XXX These are going away ASAP */ +typedef struct prism2sta_authlist +{ + UINT cnt; + UINT8 addr[WLAN_AUTH_MAX][WLAN_ADDR_LEN]; + UINT8 assoc[WLAN_AUTH_MAX]; +} prism2sta_authlist_t; + +typedef struct prism2sta_accesslist +{ + UINT modify; + UINT cnt; + UINT8 addr[WLAN_ACCESS_MAX][WLAN_ADDR_LEN]; + UINT cnt1; + UINT8 addr1[WLAN_ACCESS_MAX][WLAN_ADDR_LEN]; +} prism2sta_accesslist_t; + +typedef struct hfa384x +{ +#if (WLAN_HOSTIF != WLAN_USB) + /* Resource config */ + UINT32 iobase; + char __iomem *membase; + UINT32 irq; +#else + /* USB support data */ + struct usb_device *usb; + struct urb rx_urb; + struct sk_buff *rx_urb_skb; + struct urb tx_urb; + struct urb ctlx_urb; + hfa384x_usbout_t txbuff; + hfa384x_usbctlxq_t ctlxq; + struct timer_list reqtimer; + struct timer_list resptimer; + + struct timer_list throttle; + + struct tasklet_struct reaper_bh; + struct tasklet_struct completion_bh; + + struct work_struct usb_work; + + unsigned long usb_flags; +#define THROTTLE_RX 0 +#define THROTTLE_TX 1 +#define WORK_RX_HALT 2 +#define WORK_TX_HALT 3 +#define WORK_RX_RESUME 4 +#define WORK_TX_RESUME 5 + + unsigned short req_timer_done:1; + unsigned short resp_timer_done:1; + + int endp_in; + int endp_out; +#endif /* !USB */ + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + struct pcmcia_device *pdev; +#else + dev_link_t *link; +#endif + dev_node_t node; +#endif + + int sniff_fcs; + int sniff_channel; + int sniff_truncate; + int sniffhdr; + + wait_queue_head_t cmdq; /* wait queue itself */ + + /* Controller state */ + UINT32 state; + UINT32 isap; + UINT8 port_enabled[HFA384x_NUMPORTS_MAX]; +#if (WLAN_HOSTIF != WLAN_USB) + UINT auxen; + UINT isram16; +#endif /* !USB */ + + /* Download support */ + UINT dlstate; + hfa384x_downloadbuffer_t bufinfo; + UINT16 dltimeout; + +#if (WLAN_HOSTIF != WLAN_USB) + spinlock_t cmdlock; + volatile int cmdflag; /* wait queue flag */ + hfa384x_metacmd_t *cmddata; /* for our async callback */ + + /* BAP support */ + spinlock_t baplock; + struct tasklet_struct bap_tasklet; + + /* MAC buffer ids */ + UINT16 txfid_head; + UINT16 txfid_tail; + UINT txfid_N; + UINT16 txfid_queue[HFA384x_DRVR_FIDSTACKLEN_MAX]; + UINT16 infofid; + struct semaphore infofid_sem; +#endif /* !USB */ + + int scanflag; /* to signal scan comlete */ + int join_ap; /* are we joined to a specific ap */ + int join_retries; /* number of join retries till we fail */ + hfa384x_JoinRequest_data_t joinreq; /* join request saved data */ + + wlandevice_t *wlandev; + /* Timer to allow for the deferred processing of linkstatus messages */ + struct work_struct link_bh; + + struct work_struct commsqual_bh; + hfa384x_commsquality_t qual; + struct timer_list commsqual_timer; + + UINT16 link_status; + UINT16 link_status_new; + struct sk_buff_head authq; + + /* And here we have stuff that used to be in priv */ + + /* State variables */ + UINT presniff_port_type; + UINT16 presniff_wepflags; + UINT32 dot11_desired_bss_type; + int ap; /* AP flag: 0 - Station, 1 - Access Point. */ + + int dbmadjust; + + /* Group Addresses - right now, there are up to a total + of MAX_GRP_ADDR group addresses */ + UINT8 dot11_grp_addr[MAX_GRP_ADDR][WLAN_ADDR_LEN]; + UINT dot11_grpcnt; + + /* Component Identities */ + hfa384x_compident_t ident_nic; + hfa384x_compident_t ident_pri_fw; + hfa384x_compident_t ident_sta_fw; + hfa384x_compident_t ident_ap_fw; + UINT16 mm_mods; + + /* Supplier compatibility ranges */ + hfa384x_caplevel_t cap_sup_mfi; + hfa384x_caplevel_t cap_sup_cfi; + hfa384x_caplevel_t cap_sup_pri; + hfa384x_caplevel_t cap_sup_sta; + hfa384x_caplevel_t cap_sup_ap; + + /* Actor compatibility ranges */ + hfa384x_caplevel_t cap_act_pri_cfi; /* pri f/w to controller interface */ + hfa384x_caplevel_t cap_act_sta_cfi; /* sta f/w to controller interface */ + hfa384x_caplevel_t cap_act_sta_mfi; /* sta f/w to modem interface */ + hfa384x_caplevel_t cap_act_ap_cfi; /* ap f/w to controller interface */ + hfa384x_caplevel_t cap_act_ap_mfi; /* ap f/w to modem interface */ + + UINT32 psusercount; /* Power save user count. */ + hfa384x_CommTallies32_t tallies; /* Communication tallies. */ + UINT8 comment[WLAN_COMMENT_MAX+1]; /* User comment */ + + /* Channel Info request results (AP only) */ + struct { + atomic_t done; + UINT8 count; + hfa384x_ChInfoResult_t results; + } channel_info; + + hfa384x_InfFrame_t *scanresults; + + + prism2sta_authlist_t authlist; /* Authenticated station list. */ + UINT accessmode; /* Access mode. */ + prism2sta_accesslist_t allow; /* Allowed station list. */ + prism2sta_accesslist_t deny; /* Denied station list. */ + +} hfa384x_t; + +/*=============================================================*/ +/*--- Function Declarations -----------------------------------*/ +/*=============================================================*/ +#if (WLAN_HOSTIF == WLAN_USB) +void +hfa384x_create( + hfa384x_t *hw, + struct usb_device *usb); +#else +void +hfa384x_create( + hfa384x_t *hw, + UINT irq, + UINT32 iobase, + UINT8 __iomem *membase); +#endif + +void hfa384x_destroy(hfa384x_t *hw); + +irqreturn_t +hfa384x_interrupt(int irq, void *dev_id PT_REGS); +int +hfa384x_corereset( hfa384x_t *hw, int holdtime, int settletime, int genesis); +int +hfa384x_drvr_chinforesults( hfa384x_t *hw); +int +hfa384x_drvr_commtallies( hfa384x_t *hw); +int +hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport); +int +hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport); +int +hfa384x_drvr_flashdl_enable(hfa384x_t *hw); +int +hfa384x_drvr_flashdl_disable(hfa384x_t *hw); +int +hfa384x_drvr_flashdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len); +int +hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len); +int +hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr); +int +hfa384x_drvr_hostscanresults( hfa384x_t *hw); +int +hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd); +int +hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 address, UINT32 *result); +int +hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 address, UINT32 data); +int +hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr); +int +hfa384x_drvr_ramdl_disable(hfa384x_t *hw); +int +hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len); +int +hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len); +int +hfa384x_drvr_scanresults( hfa384x_t *hw); + +int +hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len); + +static inline int +hfa384x_drvr_getconfig16(hfa384x_t *hw, UINT16 rid, void *val) +{ + int result = 0; + result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT16)); + if ( result == 0 ) { + *((UINT16*)val) = hfa384x2host_16(*((UINT16*)val)); + } + return result; +} + +static inline int +hfa384x_drvr_getconfig32(hfa384x_t *hw, UINT16 rid, void *val) +{ + int result = 0; + + result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT32)); + if ( result == 0 ) { + *((UINT32*)val) = hfa384x2host_32(*((UINT32*)val)); + } + + return result; +} + +static inline int +hfa384x_drvr_setconfig16(hfa384x_t *hw, UINT16 rid, UINT16 val) +{ + UINT16 value = host2hfa384x_16(val); + return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value)); +} + +static inline int +hfa384x_drvr_setconfig32(hfa384x_t *hw, UINT16 rid, UINT32 val) +{ + UINT32 value = host2hfa384x_32(val); + return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value)); +} + +#if (WLAN_HOSTIF == WLAN_USB) +int +hfa384x_drvr_getconfig_async(hfa384x_t *hw, + UINT16 rid, + ctlx_usercb_t usercb, + void *usercb_data); + +int +hfa384x_drvr_setconfig_async(hfa384x_t *hw, + UINT16 rid, + void *buf, + UINT16 len, + ctlx_usercb_t usercb, + void *usercb_data); +#else +static inline int +hfa384x_drvr_setconfig_async(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len, + void *ptr1, void *ptr2) +{ + (void)ptr1; + (void)ptr2; + return hfa384x_drvr_setconfig(hw, rid, buf, len); +} +#endif + +static inline int +hfa384x_drvr_setconfig16_async(hfa384x_t *hw, UINT16 rid, UINT16 val) +{ + UINT16 value = host2hfa384x_16(val); + return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value), + NULL , NULL); +} + +static inline int +hfa384x_drvr_setconfig32_async(hfa384x_t *hw, UINT16 rid, UINT32 val) +{ + UINT32 value = host2hfa384x_32(val); + return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value), + NULL , NULL); +} + + +int +hfa384x_drvr_start(hfa384x_t *hw); +int +hfa384x_drvr_stop(hfa384x_t *hw); +int +hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep); +void +hfa384x_tx_timeout(wlandevice_t *wlandev); + +int +hfa384x_cmd_initialize(hfa384x_t *hw); +int +hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport); +int +hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport); +int +hfa384x_cmd_diagnose(hfa384x_t *hw); +int +hfa384x_cmd_allocate(hfa384x_t *hw, UINT16 len); +int +hfa384x_cmd_transmit(hfa384x_t *hw, UINT16 reclaim, UINT16 qos, UINT16 fid); +int +hfa384x_cmd_clearpersist(hfa384x_t *hw, UINT16 fid); +int +hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid, void *buf, UINT16 len); +int +hfa384x_cmd_inquire(hfa384x_t *hw, UINT16 fid); +int +hfa384x_cmd_access(hfa384x_t *hw, UINT16 write, UINT16 rid, void *buf, UINT16 len); +int +hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable); +int +hfa384x_cmd_download( + hfa384x_t *hw, + UINT16 mode, + UINT16 lowaddr, + UINT16 highaddr, + UINT16 codelen); +int +hfa384x_cmd_aux_enable(hfa384x_t *hw, int force); +int +hfa384x_cmd_aux_disable(hfa384x_t *hw); +int +hfa384x_copy_from_bap( + hfa384x_t *hw, + UINT16 bap, + UINT16 id, + UINT16 offset, + void *buf, + UINT len); +int +hfa384x_copy_to_bap( + hfa384x_t *hw, + UINT16 bap, + UINT16 id, + UINT16 offset, + void *buf, + UINT len); +void +hfa384x_copy_from_aux( + hfa384x_t *hw, + UINT32 cardaddr, + UINT32 auxctl, + void *buf, + UINT len); +void +hfa384x_copy_to_aux( + hfa384x_t *hw, + UINT32 cardaddr, + UINT32 auxctl, + void *buf, + UINT len); + +#if (WLAN_HOSTIF != WLAN_USB) + +/* + HFA384x is a LITTLE ENDIAN part. + + the get/setreg functions implicitly byte-swap the data to LE. + the _noswap variants do not perform a byte-swap on the data. +*/ + +static inline UINT16 +__hfa384x_getreg(hfa384x_t *hw, UINT reg); + +static inline void +__hfa384x_setreg(hfa384x_t *hw, UINT16 val, UINT reg); + +static inline UINT16 +__hfa384x_getreg_noswap(hfa384x_t *hw, UINT reg); + +static inline void +__hfa384x_setreg_noswap(hfa384x_t *hw, UINT16 val, UINT reg); + +#ifdef REVERSE_ENDIAN +#define hfa384x_getreg __hfa384x_getreg_noswap +#define hfa384x_setreg __hfa384x_setreg_noswap +#define hfa384x_getreg_noswap __hfa384x_getreg +#define hfa384x_setreg_noswap __hfa384x_setreg +#else +#define hfa384x_getreg __hfa384x_getreg +#define hfa384x_setreg __hfa384x_setreg +#define hfa384x_getreg_noswap __hfa384x_getreg_noswap +#define hfa384x_setreg_noswap __hfa384x_setreg_noswap +#endif + +/*---------------------------------------------------------------- +* hfa384x_getreg +* +* Retrieve the value of one of the MAC registers. Done here +* because different PRISM2 MAC parts use different buses and such. +* NOTE: This function returns the value in HOST ORDER!!!!!! +* +* Arguments: +* hw MAC part structure +* reg Register identifier (offset for I/O based i/f) +* +* Returns: +* Value from the register in HOST ORDER!!!! +----------------------------------------------------------------*/ +static inline UINT16 +__hfa384x_getreg(hfa384x_t *hw, UINT reg) +{ +/* printk(KERN_DEBUG "Reading from 0x%0x\n", hw->membase + reg); */ +#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX)) + return wlan_inw_le16_to_cpu(hw->iobase+reg); +#elif (WLAN_HOSTIF == WLAN_PCI) + return __le16_to_cpu(readw(hw->membase + reg)); +#endif +} + +/*---------------------------------------------------------------- +* hfa384x_setreg +* +* Set the value of one of the MAC registers. Done here +* because different PRISM2 MAC parts use different buses and such. +* NOTE: This function assumes the value is in HOST ORDER!!!!!! +* +* Arguments: +* hw MAC part structure +* val Value, in HOST ORDER!!, to put in the register +* reg Register identifier (offset for I/O based i/f) +* +* Returns: +* Nothing +----------------------------------------------------------------*/ +static inline void +__hfa384x_setreg(hfa384x_t *hw, UINT16 val, UINT reg) +{ +#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX)) + wlan_outw_cpu_to_le16( val, hw->iobase + reg); + return; +#elif (WLAN_HOSTIF == WLAN_PCI) + writew(__cpu_to_le16(val), hw->membase + reg); + return; +#endif +} + + +/*---------------------------------------------------------------- +* hfa384x_getreg_noswap +* +* Retrieve the value of one of the MAC registers. Done here +* because different PRISM2 MAC parts use different buses and such. +* +* Arguments: +* hw MAC part structure +* reg Register identifier (offset for I/O based i/f) +* +* Returns: +* Value from the register. +----------------------------------------------------------------*/ +static inline UINT16 +__hfa384x_getreg_noswap(hfa384x_t *hw, UINT reg) +{ +#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX)) + return wlan_inw(hw->iobase+reg); +#elif (WLAN_HOSTIF == WLAN_PCI) + return readw(hw->membase + reg); +#endif +} + + +/*---------------------------------------------------------------- +* hfa384x_setreg_noswap +* +* Set the value of one of the MAC registers. Done here +* because different PRISM2 MAC parts use different buses and such. +* +* Arguments: +* hw MAC part structure +* val Value to put in the register +* reg Register identifier (offset for I/O based i/f) +* +* Returns: +* Nothing +----------------------------------------------------------------*/ +static inline void +__hfa384x_setreg_noswap(hfa384x_t *hw, UINT16 val, UINT reg) +{ +#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX)) + wlan_outw( val, hw->iobase + reg); + return; +#elif (WLAN_HOSTIF == WLAN_PCI) + writew(val, hw->membase + reg); + return; +#endif +} + + +static inline void hfa384x_events_all(hfa384x_t *hw) +{ + hfa384x_setreg(hw, + HFA384x_INT_NORMAL +#ifdef CMD_IRQ + | HFA384x_INTEN_CMD_SET(1) +#endif + , + HFA384x_INTEN); + +} + +static inline void hfa384x_events_nobap(hfa384x_t *hw) +{ + hfa384x_setreg(hw, + (HFA384x_INT_NORMAL & ~HFA384x_INT_BAP_OP) +#ifdef CMD_IRQ + | HFA384x_INTEN_CMD_SET(1) +#endif + , + HFA384x_INTEN); + +} + +#endif /* WLAN_HOSTIF != WLAN_USB */ +#endif /* __KERNEL__ */ + +#endif /* _HFA384x_H */ diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c new file mode 100644 index 000000000000..db0c502f5d90 --- /dev/null +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -0,0 +1,5027 @@ +/* src/prism2/driver/hfa384x_usb.c +* +* Functions that talk to the USB variantof the Intersil hfa384x MAC +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file implements functions that correspond to the prism2/hfa384x +* 802.11 MAC hardware and firmware host interface. +* +* The functions can be considered to represent several levels of +* abstraction. The lowest level functions are simply C-callable wrappers +* around the register accesses. The next higher level represents C-callable +* prism2 API functions that match the Intersil documentation as closely +* as is reasonable. The next higher layer implements common sequences +* of invokations of the API layer (e.g. write to bap, followed by cmd). +* +* Common sequences: +* hfa384x_drvr_xxx Highest level abstractions provided by the +* hfa384x code. They are driver defined wrappers +* for common sequences. These functions generally +* use the services of the lower levels. +* +* hfa384x_drvr_xxxconfig An example of the drvr level abstraction. These +* functions are wrappers for the RID get/set +* sequence. They call copy_[to|from]_bap() and +* cmd_access(). These functions operate on the +* RIDs and buffers without validation. The caller +* is responsible for that. +* +* API wrapper functions: +* hfa384x_cmd_xxx functions that provide access to the f/w commands. +* The function arguments correspond to each command +* argument, even command arguments that get packed +* into single registers. These functions _just_ +* issue the command by setting the cmd/parm regs +* & reading the status/resp regs. Additional +* activities required to fully use a command +* (read/write from/to bap, get/set int status etc.) +* are implemented separately. Think of these as +* C-callable prism2 commands. +* +* Lowest Layer Functions: +* hfa384x_docmd_xxx These functions implement the sequence required +* to issue any prism2 command. Primarily used by the +* hfa384x_cmd_xxx functions. +* +* hfa384x_bap_xxx BAP read/write access functions. +* Note: we usually use BAP0 for non-interrupt context +* and BAP1 for interrupt context. +* +* hfa384x_dl_xxx download related functions. +* +* Driver State Issues: +* Note that there are two pairs of functions that manage the +* 'initialized' and 'running' states of the hw/MAC combo. The four +* functions are create(), destroy(), start(), and stop(). create() +* sets up the data structures required to support the hfa384x_* +* functions and destroy() cleans them up. The start() function gets +* the actual hardware running and enables the interrupts. The stop() +* function shuts the hardware down. The sequence should be: +* create() +* start() +* . +* . Do interesting things w/ the hardware +* . +* stop() +* destroy() +* +* Note that destroy() can be called without calling stop() first. +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ +#define WLAN_DBVAR prism2_debug + +#include "version.h" + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wlan_compat.h" + +#if (WLAN_HOSTIF != WLAN_USB) +#error "This file is specific to USB" +#endif + + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) +static int +wait_for_completion_interruptible(struct completion *x) +{ + int ret = 0; + + might_sleep(); + + spin_lock_irq(&x->wait.lock); + if (!x->done) { + DECLARE_WAITQUEUE(wait, current); + + wait.flags |= WQ_FLAG_EXCLUSIVE; + __add_wait_queue_tail(&x->wait, &wait); + do { + if (signal_pending(current)) { + ret = -ERESTARTSYS; + __remove_wait_queue(&x->wait, &wait); + goto out; + } + __set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irq(&x->wait.lock); + schedule(); + spin_lock_irq(&x->wait.lock); + } while (!x->done); + __remove_wait_queue(&x->wait, &wait); + } + x->done--; +out: + spin_unlock_irq(&x->wait.lock); + + return ret; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,69) +static void +usb_init_urb(struct urb *urb) +{ + memset(urb, 0, sizeof(*urb)); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */ + urb->count = (atomic_t)ATOMIC_INIT(1); +#endif + spin_lock_init(&urb->lock); +} +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */ +# define SUBMIT_URB(u,f) usb_submit_urb(u,f) +#else +# define SUBMIT_URB(u,f) usb_submit_urb(u) +#endif + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211req.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/*================================================================*/ +/* Local Constants */ + +enum cmd_mode +{ + DOWAIT = 0, + DOASYNC +}; +typedef enum cmd_mode CMD_MODE; + +#define THROTTLE_JIFFIES (HZ/8) + +/*================================================================*/ +/* Local Macros */ + +#define ROUNDUP64(a) (((a)+63)&~63) + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ +extern int prism2_debug; + +/*================================================================*/ +/* Local Function Declarations */ + +#ifdef DEBUG_USB +static void +dbprint_urb(struct urb* urb); +#endif + +static void +hfa384x_int_rxmonitor( + wlandevice_t *wlandev, + hfa384x_usb_rxfrm_t *rxfrm); + +static void +hfa384x_usb_defer(struct work_struct *data); + +static int +submit_rx_urb(hfa384x_t *hw, gfp_t flags); + +static int +submit_tx_urb(hfa384x_t *hw, struct urb *tx_urb, gfp_t flags); + +/*---------------------------------------------------*/ +/* Callbacks */ +#ifdef URB_ONLY_CALLBACK +static void +hfa384x_usbout_callback(struct urb *urb); +static void +hfa384x_ctlxout_callback(struct urb *urb); +static void +hfa384x_usbin_callback(struct urb *urb); +#else +static void +hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs); +static void +hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs); +static void +hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs); +#endif + +static void +hfa384x_usbin_txcompl(wlandevice_t *wlandev, hfa384x_usbin_t *usbin); + +static void +hfa384x_usbin_rx(wlandevice_t *wlandev, struct sk_buff *skb); + +static void +hfa384x_usbin_info(wlandevice_t *wlandev, hfa384x_usbin_t *usbin); + +static void +hfa384x_usbout_tx(wlandevice_t *wlandev, hfa384x_usbout_t *usbout); + +static void hfa384x_usbin_ctlx(hfa384x_t *hw, hfa384x_usbin_t *usbin, + int urb_status); + +/*---------------------------------------------------*/ +/* Functions to support the prism2 usb command queue */ + +static void +hfa384x_usbctlxq_run(hfa384x_t *hw); + +static void +hfa384x_usbctlx_reqtimerfn(unsigned long data); + +static void +hfa384x_usbctlx_resptimerfn(unsigned long data); + +static void +hfa384x_usb_throttlefn(unsigned long data); + +static void +hfa384x_usbctlx_completion_task(unsigned long data); + +static void +hfa384x_usbctlx_reaper_task(unsigned long data); + +static int +hfa384x_usbctlx_submit(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx); + +static void +unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx); + +struct usbctlx_completor +{ + int (*complete)(struct usbctlx_completor*); +}; +typedef struct usbctlx_completor usbctlx_completor_t; + +static int +hfa384x_usbctlx_complete_sync(hfa384x_t *hw, + hfa384x_usbctlx_t *ctlx, + usbctlx_completor_t *completor); + +static int +unlocked_usbctlx_cancel_async(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx); + +static void +hfa384x_cb_status(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx); + +static void +hfa384x_cb_rrid(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx); + +static int +usbctlx_get_status(const hfa384x_usb_cmdresp_t *cmdresp, + hfa384x_cmdresult_t *result); + +static void +usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp, + hfa384x_rridresult_t *result); + +/*---------------------------------------------------*/ +/* Low level req/resp CTLX formatters and submitters */ +static int +hfa384x_docmd( + hfa384x_t *hw, + CMD_MODE mode, + hfa384x_metacmd_t *cmd, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data); + +static int +hfa384x_dorrid( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 rid, + void *riddata, + UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data); + +static int +hfa384x_dowrid( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 rid, + void *riddata, + UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data); + +static int +hfa384x_dormem( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 page, + UINT16 offset, + void *data, + UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data); + +static int +hfa384x_dowmem( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 page, + UINT16 offset, + void *data, + UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data); + +static int +hfa384x_isgood_pdrcode(UINT16 pdrcode); + +/*================================================================*/ +/* Function Definitions */ +static inline const char* ctlxstr(CTLX_STATE s) +{ + static const char* ctlx_str[] = { + "Initial state", + "Complete", + "Request failed", + "Request pending", + "Request packet submitted", + "Request packet completed", + "Response packet completed" + }; + + return ctlx_str[s]; +}; + + +static inline hfa384x_usbctlx_t* +get_active_ctlx(hfa384x_t *hw) +{ + return list_entry(hw->ctlxq.active.next, hfa384x_usbctlx_t, list); +} + + +#ifdef DEBUG_USB +void +dbprint_urb(struct urb* urb) +{ + WLAN_LOG_DEBUG(3,"urb->pipe=0x%08x\n", urb->pipe); + WLAN_LOG_DEBUG(3,"urb->status=0x%08x\n", urb->status); + WLAN_LOG_DEBUG(3,"urb->transfer_flags=0x%08x\n", urb->transfer_flags); + WLAN_LOG_DEBUG(3,"urb->transfer_buffer=0x%08x\n", (UINT)urb->transfer_buffer); + WLAN_LOG_DEBUG(3,"urb->transfer_buffer_length=0x%08x\n", urb->transfer_buffer_length); + WLAN_LOG_DEBUG(3,"urb->actual_length=0x%08x\n", urb->actual_length); + WLAN_LOG_DEBUG(3,"urb->bandwidth=0x%08x\n", urb->bandwidth); + WLAN_LOG_DEBUG(3,"urb->setup_packet(ctl)=0x%08x\n", (UINT)urb->setup_packet); + WLAN_LOG_DEBUG(3,"urb->start_frame(iso/irq)=0x%08x\n", urb->start_frame); + WLAN_LOG_DEBUG(3,"urb->interval(irq)=0x%08x\n", urb->interval); + WLAN_LOG_DEBUG(3,"urb->error_count(iso)=0x%08x\n", urb->error_count); + WLAN_LOG_DEBUG(3,"urb->timeout=0x%08x\n", urb->timeout); + WLAN_LOG_DEBUG(3,"urb->context=0x%08x\n", (UINT)urb->context); + WLAN_LOG_DEBUG(3,"urb->complete=0x%08x\n", (UINT)urb->complete); +} +#endif + + +/*---------------------------------------------------------------- +* submit_rx_urb +* +* Listen for input data on the BULK-IN pipe. If the pipe has +* stalled then schedule it to be reset. +* +* Arguments: +* hw device struct +* memflags memory allocation flags +* +* Returns: +* error code from submission +* +* Call context: +* Any +----------------------------------------------------------------*/ +static int +submit_rx_urb(hfa384x_t *hw, gfp_t memflags) +{ + struct sk_buff *skb; + int result; + + DBFENTER; + + skb = dev_alloc_skb(sizeof(hfa384x_usbin_t)); + if (skb == NULL) { + result = -ENOMEM; + goto done; + } + + /* Post the IN urb */ + usb_fill_bulk_urb(&hw->rx_urb, hw->usb, + hw->endp_in, + skb->data, sizeof(hfa384x_usbin_t), + hfa384x_usbin_callback, hw->wlandev); + + hw->rx_urb_skb = skb; + + result = -ENOLINK; + if ( !hw->wlandev->hwremoved && !test_bit(WORK_RX_HALT, &hw->usb_flags)) { + result = SUBMIT_URB(&hw->rx_urb, memflags); + + /* Check whether we need to reset the RX pipe */ + if (result == -EPIPE) { + WLAN_LOG_WARNING("%s rx pipe stalled: requesting reset\n", + hw->wlandev->netdev->name); + if ( !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) ) + schedule_work(&hw->usb_work); + } + } + + /* Don't leak memory if anything should go wrong */ + if (result != 0) { + dev_kfree_skb(skb); + hw->rx_urb_skb = NULL; + } + + done: + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* submit_tx_urb +* +* Prepares and submits the URB of transmitted data. If the +* submission fails then it will schedule the output pipe to +* be reset. +* +* Arguments: +* hw device struct +* tx_urb URB of data for tranmission +* memflags memory allocation flags +* +* Returns: +* error code from submission +* +* Call context: +* Any +----------------------------------------------------------------*/ +static int +submit_tx_urb(hfa384x_t *hw, struct urb *tx_urb, gfp_t memflags) +{ + struct net_device *netdev = hw->wlandev->netdev; + int result; + + DBFENTER; + + result = -ENOLINK; + if ( netif_running(netdev) ) { + + if ( !hw->wlandev->hwremoved && !test_bit(WORK_TX_HALT, &hw->usb_flags) ) { + result = SUBMIT_URB(tx_urb, memflags); + + /* Test whether we need to reset the TX pipe */ + if (result == -EPIPE) { + WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n", + netdev->name); + set_bit(WORK_TX_HALT, &hw->usb_flags); + schedule_work(&hw->usb_work); + } else if (result == 0) { + netif_stop_queue(netdev); + } + } + } + + DBFEXIT; + + return result; +} + +/*---------------------------------------------------------------- +* hfa394x_usb_defer +* +* There are some things that the USB stack cannot do while +* in interrupt context, so we arrange this function to run +* in process context. +* +* Arguments: +* hw device structure +* +* Returns: +* nothing +* +* Call context: +* process (by design) +----------------------------------------------------------------*/ +static void +hfa384x_usb_defer(struct work_struct *data) +{ + hfa384x_t *hw = container_of(data, struct hfa384x, usb_work); + struct net_device *netdev = hw->wlandev->netdev; + + DBFENTER; + + /* Don't bother trying to reset anything if the plug + * has been pulled ... + */ + if ( hw->wlandev->hwremoved ) { + DBFEXIT; + return; + } + + /* Reception has stopped: try to reset the input pipe */ + if (test_bit(WORK_RX_HALT, &hw->usb_flags)) { + int ret; + + usb_kill_urb(&hw->rx_urb); /* Cannot be holding spinlock! */ + + ret = usb_clear_halt(hw->usb, hw->endp_in); + if (ret != 0) { + printk(KERN_ERR + "Failed to clear rx pipe for %s: err=%d\n", + netdev->name, ret); + } else { + printk(KERN_INFO "%s rx pipe reset complete.\n", + netdev->name); + clear_bit(WORK_RX_HALT, &hw->usb_flags); + set_bit(WORK_RX_RESUME, &hw->usb_flags); + } + } + + /* Resume receiving data back from the device. */ + if ( test_bit(WORK_RX_RESUME, &hw->usb_flags) ) { + int ret; + + ret = submit_rx_urb(hw, GFP_KERNEL); + if (ret != 0) { + printk(KERN_ERR + "Failed to resume %s rx pipe.\n", netdev->name); + } else { + clear_bit(WORK_RX_RESUME, &hw->usb_flags); + } + } + + /* Transmission has stopped: try to reset the output pipe */ + if (test_bit(WORK_TX_HALT, &hw->usb_flags)) { + int ret; + + usb_kill_urb(&hw->tx_urb); + ret = usb_clear_halt(hw->usb, hw->endp_out); + if (ret != 0) { + printk(KERN_ERR + "Failed to clear tx pipe for %s: err=%d\n", + netdev->name, ret); + } else { + printk(KERN_INFO "%s tx pipe reset complete.\n", + netdev->name); + clear_bit(WORK_TX_HALT, &hw->usb_flags); + set_bit(WORK_TX_RESUME, &hw->usb_flags); + + /* Stopping the BULK-OUT pipe also blocked + * us from sending any more CTLX URBs, so + * we need to re-run our queue ... + */ + hfa384x_usbctlxq_run(hw); + } + } + + /* Resume transmitting. */ + if ( test_and_clear_bit(WORK_TX_RESUME, &hw->usb_flags) ) { + p80211netdev_wake_queue(hw->wlandev); + } + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_create +* +* Sets up the hfa384x_t data structure for use. Note this +* does _not_ intialize the actual hardware, just the data structures +* we use to keep track of its state. +* +* Arguments: +* hw device structure +* irq device irq number +* iobase i/o base address for register access +* membase memory base address for register access +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +void +hfa384x_create( hfa384x_t *hw, struct usb_device *usb) +{ + DBFENTER; + + memset(hw, 0, sizeof(hfa384x_t)); + hw->usb = usb; + + /* set up the endpoints */ + hw->endp_in = usb_rcvbulkpipe(usb, 1); + hw->endp_out = usb_sndbulkpipe(usb, 2); + + /* Set up the waitq */ + init_waitqueue_head(&hw->cmdq); + + /* Initialize the command queue */ + spin_lock_init(&hw->ctlxq.lock); + INIT_LIST_HEAD(&hw->ctlxq.pending); + INIT_LIST_HEAD(&hw->ctlxq.active); + INIT_LIST_HEAD(&hw->ctlxq.completing); + INIT_LIST_HEAD(&hw->ctlxq.reapable); + + /* Initialize the authentication queue */ + skb_queue_head_init(&hw->authq); + + tasklet_init(&hw->reaper_bh, + hfa384x_usbctlx_reaper_task, + (unsigned long)hw); + tasklet_init(&hw->completion_bh, + hfa384x_usbctlx_completion_task, + (unsigned long)hw); + INIT_WORK2(&hw->link_bh, prism2sta_processing_defer); + INIT_WORK2(&hw->usb_work, hfa384x_usb_defer); + + init_timer(&hw->throttle); + hw->throttle.function = hfa384x_usb_throttlefn; + hw->throttle.data = (unsigned long)hw; + + init_timer(&hw->resptimer); + hw->resptimer.function = hfa384x_usbctlx_resptimerfn; + hw->resptimer.data = (unsigned long)hw; + + init_timer(&hw->reqtimer); + hw->reqtimer.function = hfa384x_usbctlx_reqtimerfn; + hw->reqtimer.data = (unsigned long)hw; + + usb_init_urb(&hw->rx_urb); + usb_init_urb(&hw->tx_urb); + usb_init_urb(&hw->ctlx_urb); + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + hw->state = HFA384x_STATE_INIT; + + INIT_WORK2(&hw->commsqual_bh, prism2sta_commsqual_defer); + init_timer(&hw->commsqual_timer); + hw->commsqual_timer.data = (unsigned long) hw; + hw->commsqual_timer.function = prism2sta_commsqual_timer; + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_destroy +* +* Partner to hfa384x_create(). This function cleans up the hw +* structure so that it can be freed by the caller using a simple +* kfree. Currently, this function is just a placeholder. If, at some +* point in the future, an hw in the 'shutdown' state requires a 'deep' +* kfree, this is where it should be done. Note that if this function +* is called on a _running_ hw structure, the drvr_stop() function is +* called. +* +* Arguments: +* hw device structure +* +* Returns: +* nothing, this function is not allowed to fail. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +void +hfa384x_destroy( hfa384x_t *hw) +{ + struct sk_buff *skb; + + DBFENTER; + + if ( hw->state == HFA384x_STATE_RUNNING ) { + hfa384x_drvr_stop(hw); + } + hw->state = HFA384x_STATE_PREINIT; + + if (hw->scanresults) { + kfree(hw->scanresults); + hw->scanresults = NULL; + } + + /* Now to clean out the auth queue */ + while ( (skb = skb_dequeue(&hw->authq)) ) { + dev_kfree_skb(skb); + } + + DBFEXIT; +} + + +/*---------------------------------------------------------------- + */ +static hfa384x_usbctlx_t* usbctlx_alloc(void) +{ + hfa384x_usbctlx_t *ctlx; + + ctlx = kmalloc(sizeof(*ctlx), in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); + if (ctlx != NULL) + { + memset(ctlx, 0, sizeof(*ctlx)); + init_completion(&ctlx->done); + } + + return ctlx; +} + + +/*---------------------------------------------------------------- + * +----------------------------------------------------------------*/ +static int +usbctlx_get_status(const hfa384x_usb_cmdresp_t *cmdresp, + hfa384x_cmdresult_t *result) +{ + DBFENTER; + + result->status = hfa384x2host_16(cmdresp->status); + result->resp0 = hfa384x2host_16(cmdresp->resp0); + result->resp1 = hfa384x2host_16(cmdresp->resp1); + result->resp2 = hfa384x2host_16(cmdresp->resp2); + + WLAN_LOG_DEBUG(4, "cmdresult:status=0x%04x " + "resp0=0x%04x resp1=0x%04x resp2=0x%04x\n", + result->status, + result->resp0, + result->resp1, + result->resp2); + + DBFEXIT; + return (result->status & HFA384x_STATUS_RESULT); +} + +static void +usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp, + hfa384x_rridresult_t *result) +{ + DBFENTER; + + result->rid = hfa384x2host_16(rridresp->rid); + result->riddata = rridresp->data; + result->riddata_len = ((hfa384x2host_16(rridresp->frmlen) - 1) * 2); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* Completor object: +* This completor must be passed to hfa384x_usbctlx_complete_sync() +* when processing a CTLX that returns a hfa384x_cmdresult_t structure. +----------------------------------------------------------------*/ +struct usbctlx_cmd_completor +{ + usbctlx_completor_t head; + + const hfa384x_usb_cmdresp_t *cmdresp; + hfa384x_cmdresult_t *result; +}; +typedef struct usbctlx_cmd_completor usbctlx_cmd_completor_t; + +static int usbctlx_cmd_completor_fn(usbctlx_completor_t *head) +{ + usbctlx_cmd_completor_t *complete = (usbctlx_cmd_completor_t*)head; + return usbctlx_get_status(complete->cmdresp, complete->result); +} + +static inline usbctlx_completor_t* +init_cmd_completor(usbctlx_cmd_completor_t *completor, + const hfa384x_usb_cmdresp_t *cmdresp, + hfa384x_cmdresult_t *result) +{ + completor->head.complete = usbctlx_cmd_completor_fn; + completor->cmdresp = cmdresp; + completor->result = result; + return &(completor->head); +} + +/*---------------------------------------------------------------- +* Completor object: +* This completor must be passed to hfa384x_usbctlx_complete_sync() +* when processing a CTLX that reads a RID. +----------------------------------------------------------------*/ +struct usbctlx_rrid_completor +{ + usbctlx_completor_t head; + + const hfa384x_usb_rridresp_t *rridresp; + void *riddata; + UINT riddatalen; +}; +typedef struct usbctlx_rrid_completor usbctlx_rrid_completor_t; + +static int usbctlx_rrid_completor_fn(usbctlx_completor_t *head) +{ + usbctlx_rrid_completor_t *complete = (usbctlx_rrid_completor_t*)head; + hfa384x_rridresult_t rridresult; + + usbctlx_get_rridresult(complete->rridresp, &rridresult); + + /* Validate the length, note body len calculation in bytes */ + if ( rridresult.riddata_len != complete->riddatalen ) { + WLAN_LOG_WARNING( + "RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n", + rridresult.rid, + complete->riddatalen, + rridresult.riddata_len); + return -ENODATA; + } + + memcpy(complete->riddata, + rridresult.riddata, + complete->riddatalen); + return 0; +} + +static inline usbctlx_completor_t* +init_rrid_completor(usbctlx_rrid_completor_t *completor, + const hfa384x_usb_rridresp_t *rridresp, + void *riddata, + UINT riddatalen) +{ + completor->head.complete = usbctlx_rrid_completor_fn; + completor->rridresp = rridresp; + completor->riddata = riddata; + completor->riddatalen = riddatalen; + return &(completor->head); +} + +/*---------------------------------------------------------------- +* Completor object: +* Interprets the results of a synchronous RID-write +----------------------------------------------------------------*/ +typedef usbctlx_cmd_completor_t usbctlx_wrid_completor_t; +#define init_wrid_completor init_cmd_completor + +/*---------------------------------------------------------------- +* Completor object: +* Interprets the results of a synchronous memory-write +----------------------------------------------------------------*/ +typedef usbctlx_cmd_completor_t usbctlx_wmem_completor_t; +#define init_wmem_completor init_cmd_completor + +/*---------------------------------------------------------------- +* Completor object: +* Interprets the results of a synchronous memory-read +----------------------------------------------------------------*/ +struct usbctlx_rmem_completor +{ + usbctlx_completor_t head; + + const hfa384x_usb_rmemresp_t *rmemresp; + void *data; + UINT len; +}; +typedef struct usbctlx_rmem_completor usbctlx_rmem_completor_t; + +static int usbctlx_rmem_completor_fn(usbctlx_completor_t *head) +{ + usbctlx_rmem_completor_t *complete = (usbctlx_rmem_completor_t*)head; + + WLAN_LOG_DEBUG(4,"rmemresp:len=%d\n", complete->rmemresp->frmlen); + memcpy(complete->data, complete->rmemresp->data, complete->len); + return 0; +} + +static inline usbctlx_completor_t* +init_rmem_completor(usbctlx_rmem_completor_t *completor, + hfa384x_usb_rmemresp_t *rmemresp, + void *data, + UINT len) +{ + completor->head.complete = usbctlx_rmem_completor_fn; + completor->rmemresp = rmemresp; + completor->data = data; + completor->len = len; + return &(completor->head); +} + +/*---------------------------------------------------------------- +* hfa384x_cb_status +* +* Ctlx_complete handler for async CMD type control exchanges. +* mark the hw struct as such. +* +* Note: If the handling is changed here, it should probably be +* changed in docmd as well. +* +* Arguments: +* hw hw struct +* ctlx completed CTLX +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void +hfa384x_cb_status(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx) +{ + DBFENTER; + + if ( ctlx->usercb != NULL ) { + hfa384x_cmdresult_t cmdresult; + + if (ctlx->state != CTLX_COMPLETE) { + memset(&cmdresult, 0, sizeof(cmdresult)); + cmdresult.status = HFA384x_STATUS_RESULT_SET(HFA384x_CMD_ERR); + } else { + usbctlx_get_status(&ctlx->inbuf.cmdresp, &cmdresult); + } + + ctlx->usercb(hw, &cmdresult, ctlx->usercb_data); + } + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_cb_rrid +* +* CTLX completion handler for async RRID type control exchanges. +* +* Note: If the handling is changed here, it should probably be +* changed in dorrid as well. +* +* Arguments: +* hw hw struct +* ctlx completed CTLX +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void +hfa384x_cb_rrid(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx) +{ + DBFENTER; + + if ( ctlx->usercb != NULL ) { + hfa384x_rridresult_t rridresult; + + if (ctlx->state != CTLX_COMPLETE) { + memset(&rridresult, 0, sizeof(rridresult)); + rridresult.rid = hfa384x2host_16(ctlx->outbuf.rridreq.rid); + } else { + usbctlx_get_rridresult(&ctlx->inbuf.rridresp, &rridresult); + } + + ctlx->usercb(hw, &rridresult, ctlx->usercb_data); + } + + DBFEXIT; +} + +static inline int +hfa384x_docmd_wait(hfa384x_t *hw, hfa384x_metacmd_t *cmd) +{ + return hfa384x_docmd(hw, DOWAIT, cmd, NULL, NULL, NULL); +} + +static inline int +hfa384x_docmd_async(hfa384x_t *hw, + hfa384x_metacmd_t *cmd, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_docmd(hw, DOASYNC, cmd, + cmdcb, usercb, usercb_data); +} + +static inline int +hfa384x_dorrid_wait(hfa384x_t *hw, UINT16 rid, void *riddata, UINT riddatalen) +{ + return hfa384x_dorrid(hw, DOWAIT, + rid, riddata, riddatalen, + NULL, NULL, NULL); +} + +static inline int +hfa384x_dorrid_async(hfa384x_t *hw, + UINT16 rid, void *riddata, UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dorrid(hw, DOASYNC, + rid, riddata, riddatalen, + cmdcb, usercb, usercb_data); +} + +static inline int +hfa384x_dowrid_wait(hfa384x_t *hw, UINT16 rid, void *riddata, UINT riddatalen) +{ + return hfa384x_dowrid(hw, DOWAIT, + rid, riddata, riddatalen, + NULL, NULL, NULL); +} + +static inline int +hfa384x_dowrid_async(hfa384x_t *hw, + UINT16 rid, void *riddata, UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dowrid(hw, DOASYNC, + rid, riddata, riddatalen, + cmdcb, usercb, usercb_data); +} + +static inline int +hfa384x_dormem_wait(hfa384x_t *hw, + UINT16 page, UINT16 offset, void *data, UINT len) +{ + return hfa384x_dormem(hw, DOWAIT, + page, offset, data, len, + NULL, NULL, NULL); +} + +static inline int +hfa384x_dormem_async(hfa384x_t *hw, + UINT16 page, UINT16 offset, void *data, UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dormem(hw, DOASYNC, + page, offset, data, len, + cmdcb, usercb, usercb_data); +} + +static inline int +hfa384x_dowmem_wait( + hfa384x_t *hw, + UINT16 page, + UINT16 offset, + void *data, + UINT len) +{ + return hfa384x_dowmem(hw, DOWAIT, + page, offset, data, len, + NULL, NULL, NULL); +} + +static inline int +hfa384x_dowmem_async( + hfa384x_t *hw, + UINT16 page, + UINT16 offset, + void *data, + UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dowmem(hw, DOASYNC, + page, offset, data, len, + cmdcb, usercb, usercb_data); +} + +/*---------------------------------------------------------------- +* hfa384x_cmd_initialize +* +* Issues the initialize command and sets the hw->state based +* on the result. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_cmd_initialize(hfa384x_t *hw) +{ + int result = 0; + int i; + hfa384x_metacmd_t cmd; + + DBFENTER; + + + cmd.cmd = HFA384x_CMDCODE_INIT; + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + + WLAN_LOG_DEBUG(3,"cmdresp.init: " + "status=0x%04x, resp0=0x%04x, " + "resp1=0x%04x, resp2=0x%04x\n", + cmd.result.status, + cmd.result.resp0, + cmd.result.resp1, + cmd.result.resp2); + if ( result == 0 ) { + for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) { + hw->port_enabled[i] = 0; + } + } + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_disable +* +* Issues the disable command to stop communications on one of +* the MACs 'ports'. +* +* Arguments: +* hw device structure +* macport MAC port number (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DISABLE) | + HFA384x_CMD_MACPORT_SET(macport); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_enable +* +* Issues the enable command to enable communications on one of +* the MACs 'ports'. +* +* Arguments: +* hw device structure +* macport MAC port number +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ENABLE) | + HFA384x_CMD_MACPORT_SET(macport); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_notify +* +* Sends an info frame to the firmware to alter the behavior +* of the f/w asynch processes. Can only be called when the MAC +* is in the enabled state. +* +* Arguments: +* hw device structure +* reclaim [0|1] indicates whether the given FID will +* be handed back (via Alloc event) for reuse. +* (host order) +* fid FID of buffer containing the frame that was +* previously copied to MAC memory via the bap. +* (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* hw->resp0 will contain the FID being used by async notify +* process. If reclaim==0, resp0 will be the same as the fid +* argument. If reclaim==1, resp0 will be the different. +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid, + void *buf, UINT16 len) +{ +#if 0 + int result = 0; + UINT16 cmd; + DBFENTER; + cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_NOTIFY) | + HFA384x_CMD_RECL_SET(reclaim); + result = hfa384x_docmd_wait(hw, cmd); + + DBFEXIT; + return result; +#endif +return 0; +} + + +#if 0 +/*---------------------------------------------------------------- +* hfa384x_cmd_inquiry +* +* Requests an info frame from the firmware. The info frame will +* be delivered asynchronously via the Info event. +* +* Arguments: +* hw device structure +* fid FID of the info frame requested. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_inquiry(hfa384x_t *hw, UINT16 fid) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_INQ); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} +#endif + + +/*---------------------------------------------------------------- +* hfa384x_cmd_monitor +* +* Enables the 'monitor mode' of the MAC. Here's the description of +* monitor mode that I've received thus far: +* +* "The "monitor mode" of operation is that the MAC passes all +* frames for which the PLCP checks are correct. All received +* MPDUs are passed to the host with MAC Port = 7, with a +* receive status of good, FCS error, or undecryptable. Passing +* certain MPDUs is a violation of the 802.11 standard, but useful +* for a debugging tool." Normal communication is not possible +* while monitor mode is enabled. +* +* Arguments: +* hw device structure +* enable a code (0x0b|0x0f) that enables/disables +* monitor mode. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_MONITOR) | + HFA384x_CMD_AINFO_SET(enable); + cmd.parm0 = 0; + cmd.parm1 = 0; + cmd.parm2 = 0; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_cmd_download +* +* Sets the controls for the MAC controller code/data download +* process. The arguments set the mode and address associated +* with a download. Note that the aux registers should be enabled +* prior to setting one of the download enable modes. +* +* Arguments: +* hw device structure +* mode 0 - Disable programming and begin code exec +* 1 - Enable volatile mem programming +* 2 - Enable non-volatile mem programming +* 3 - Program non-volatile section from NV download +* buffer. +* (host order) +* lowaddr +* highaddr For mode 1, sets the high & low order bits of +* the "destination address". This address will be +* the execution start address when download is +* subsequently disabled. +* For mode 2, sets the high & low order bits of +* the destination in NV ram. +* For modes 0 & 3, should be zero. (host order) +* NOTE: these are CMD format. +* codelen Length of the data to write in mode 2, +* zero otherwise. (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_cmd_download(hfa384x_t *hw, UINT16 mode, UINT16 lowaddr, + UINT16 highaddr, UINT16 codelen) +{ + int result = 0; + hfa384x_metacmd_t cmd; + + DBFENTER; + WLAN_LOG_DEBUG(5, + "mode=%d, lowaddr=0x%04x, highaddr=0x%04x, codelen=%d\n", + mode, lowaddr, highaddr, codelen); + + cmd.cmd = (HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DOWNLD) | + HFA384x_CMD_PROGMODE_SET(mode)); + + cmd.parm0 = lowaddr; + cmd.parm1 = highaddr; + cmd.parm2 = codelen; + + result = hfa384x_docmd_wait(hw, &cmd); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_copy_from_aux +* +* Copies a collection of bytes from the controller memory. The +* Auxiliary port MUST be enabled prior to calling this function. +* We _might_ be in a download state. +* +* Arguments: +* hw device structure +* cardaddr address in hfa384x data space to read +* auxctl address space select +* buf ptr to destination host buffer +* len length of data to transfer (in bytes) +* +* Returns: +* nothing +* +* Side effects: +* buf contains the data copied +* +* Call context: +* process +* interrupt +----------------------------------------------------------------*/ +void +hfa384x_copy_from_aux( + hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len) +{ + DBFENTER; + WLAN_LOG_ERROR("not used in USB.\n"); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_copy_to_aux +* +* Copies a collection of bytes to the controller memory. The +* Auxiliary port MUST be enabled prior to calling this function. +* We _might_ be in a download state. +* +* Arguments: +* hw device structure +* cardaddr address in hfa384x data space to read +* auxctl address space select +* buf ptr to destination host buffer +* len length of data to transfer (in bytes) +* +* Returns: +* nothing +* +* Side effects: +* Controller memory now contains a copy of buf +* +* Call context: +* process +* interrupt +----------------------------------------------------------------*/ +void +hfa384x_copy_to_aux( + hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len) +{ + DBFENTER; + WLAN_LOG_ERROR("not used in USB.\n"); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_corereset +* +* Perform a reset of the hfa38xx MAC core. We assume that the hw +* structure is in its "created" state. That is, it is initialized +* with proper values. Note that if a reset is done after the +* device has been active for awhile, the caller might have to clean +* up some leftover cruft in the hw structure. +* +* Arguments: +* hw device structure +* holdtime how long (in ms) to hold the reset +* settletime how long (in ms) to wait after releasing +* the reset +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis) +{ +#if 0 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) + struct usb_device *parent = hw->usb->parent; + int i; + int port = -1; +#endif +#endif + int result = 0; + + +#define P2_USB_RT_PORT (USB_TYPE_CLASS | USB_RECIP_OTHER) +#define P2_USB_FEAT_RESET 4 +#define P2_USB_FEAT_C_RESET 20 + + DBFENTER; + +#if 0 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) + /* Find the hub port */ + for ( i = 0; i < parent->maxchild; i++) { + if (parent->children[i] == hw->usb) { + port = i; + break; + } + } + if (port < 0) return -ENOENT; + + /* Set and clear the reset */ + usb_control_msg(parent, usb_sndctrlpipe(parent, 0), + USB_REQ_SET_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_RESET, + port+1, NULL, 0, 1*HZ); + wait_ms(holdtime); + usb_control_msg(parent, usb_sndctrlpipe(parent, 0), + USB_REQ_CLEAR_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_C_RESET, + port+1, NULL, 0, 1*HZ); + wait_ms(settletime); + + /* Set the device address */ + result=usb_set_address(hw->usb); + if (result < 0) { + WLAN_LOG_ERROR("reset_usbdev: Dev not accepting address, " + "result=%d\n", result); + clear_bit(hw->usb->devnum, &hw->usb->bus->devmap.devicemap); + hw->usb->devnum = -1; + goto done; + } + /* Let the address settle */ + wait_ms(20); + + /* Assume we're reusing the original descriptor data */ + + /* Set the configuration. */ + WLAN_LOG_DEBUG(3, "Setting Configuration %d\n", + hw->usb->config[0].bConfigurationValue); + result=usb_set_configuration(hw->usb, hw->usb->config[0].bConfigurationValue); + if ( result ) { + WLAN_LOG_ERROR("usb_set_configuration() failed, result=%d.\n", + result); + goto done; + } + /* Let the configuration settle */ + wait_ms(20); + + done: +#else + result=usb_reset_device(hw->usb); + if(result<0) { + WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result); + } +#endif +#endif + + result=usb_reset_device(hw->usb); + if(result<0) { + WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result); + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_complete_sync +* +* Waits for a synchronous CTLX object to complete, +* and then handles the response. +* +* Arguments: +* hw device structure +* ctlx CTLX ptr +* completor functor object to decide what to +* do with the CTLX's result. +* +* Returns: +* 0 Success +* -ERESTARTSYS Interrupted by a signal +* -EIO CTLX failed +* -ENODEV Adapter was unplugged +* ??? Result from completor +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +static int hfa384x_usbctlx_complete_sync(hfa384x_t *hw, + hfa384x_usbctlx_t *ctlx, + usbctlx_completor_t *completor) +{ + unsigned long flags; + int result; + + DBFENTER; + + result = wait_for_completion_interruptible(&ctlx->done); + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* + * We can only handle the CTLX if the USB disconnect + * function has not run yet ... + */ + cleanup: + if ( hw->wlandev->hwremoved ) + { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + result = -ENODEV; + } + else if ( result != 0 ) + { + int runqueue = 0; + + /* + * We were probably interrupted, so delete + * this CTLX asynchronously, kill the timers + * and the URB, and then start the next + * pending CTLX. + * + * NOTE: We can only delete the timers and + * the URB if this CTLX is active. + */ + if (ctlx == get_active_ctlx(hw)) + { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + del_singleshot_timer_sync(&hw->reqtimer); + del_singleshot_timer_sync(&hw->resptimer); + hw->req_timer_done = 1; + hw->resp_timer_done = 1; + usb_kill_urb(&hw->ctlx_urb); + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + runqueue = 1; + + /* + * This scenario is so unlikely that I'm + * happy with a grubby "goto" solution ... + */ + if ( hw->wlandev->hwremoved ) + goto cleanup; + } + + /* + * The completion task will send this CTLX + * to the reaper the next time it runs. We + * are no longer in a hurry. + */ + ctlx->reapable = 1; + ctlx->state = CTLX_REQ_FAILED; + list_move_tail(&ctlx->list, &hw->ctlxq.completing); + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + if (runqueue) + hfa384x_usbctlxq_run(hw); + } else { + if (ctlx->state == CTLX_COMPLETE) { + result = completor->complete(completor); + } else { + WLAN_LOG_WARNING("CTLX[%d] error: state(%s)\n", + hfa384x2host_16(ctlx->outbuf.type), + ctlxstr(ctlx->state)); + result = -EIO; + } + + list_del(&ctlx->list); + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + kfree(ctlx); + } + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_docmd +* +* Constructs a command CTLX and submits it. +* +* NOTE: Any changes to the 'post-submit' code in this function +* need to be carried over to hfa384x_cbcmd() since the handling +* is virtually identical. +* +* Arguments: +* hw device structure +* mode DOWAIT or DOASYNC +* cmd cmd structure. Includes all arguments and result +* data points. All in host order. in host order +* cmdcb command-specific callback +* usercb user callback for async calls, NULL for DOWAIT calls +* usercb_data user supplied data pointer for async calls, NULL +* for DOASYNC calls +* +* Returns: +* 0 success +* -EIO CTLX failure +* -ERESTARTSYS Awakened on signal +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* +* Call context: +* process +----------------------------------------------------------------*/ +static int +hfa384x_docmd( + hfa384x_t *hw, + CMD_MODE mode, + hfa384x_metacmd_t *cmd, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + int result; + hfa384x_usbctlx_t *ctlx; + + DBFENTER; + ctlx = usbctlx_alloc(); + if ( ctlx == NULL ) { + result = -ENOMEM; + goto done; + } + + /* Initialize the command */ + ctlx->outbuf.cmdreq.type = host2hfa384x_16(HFA384x_USB_CMDREQ); + ctlx->outbuf.cmdreq.cmd = host2hfa384x_16(cmd->cmd); + ctlx->outbuf.cmdreq.parm0 = host2hfa384x_16(cmd->parm0); + ctlx->outbuf.cmdreq.parm1 = host2hfa384x_16(cmd->parm1); + ctlx->outbuf.cmdreq.parm2 = host2hfa384x_16(cmd->parm2); + + ctlx->outbufsize = sizeof(ctlx->outbuf.cmdreq); + + WLAN_LOG_DEBUG(4, "cmdreq: cmd=0x%04x " + "parm0=0x%04x parm1=0x%04x parm2=0x%04x\n", + cmd->cmd, + cmd->parm0, + cmd->parm1, + cmd->parm2); + + ctlx->reapable = mode; + ctlx->cmdcb = cmdcb; + ctlx->usercb = usercb; + ctlx->usercb_data = usercb_data; + + result = hfa384x_usbctlx_submit(hw, ctlx); + if (result != 0) { + kfree(ctlx); + } else if (mode == DOWAIT) { + usbctlx_cmd_completor_t completor; + + result = hfa384x_usbctlx_complete_sync( + hw, ctlx, init_cmd_completor(&completor, + &ctlx->inbuf.cmdresp, + &cmd->result) ); + } + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_dorrid +* +* Constructs a read rid CTLX and issues it. +* +* NOTE: Any changes to the 'post-submit' code in this function +* need to be carried over to hfa384x_cbrrid() since the handling +* is virtually identical. +* +* Arguments: +* hw device structure +* mode DOWAIT or DOASYNC +* rid Read RID number (host order) +* riddata Caller supplied buffer that MAC formatted RID.data +* record will be written to for DOWAIT calls. Should +* be NULL for DOASYNC calls. +* riddatalen Buffer length for DOWAIT calls. Zero for DOASYNC calls. +* cmdcb command callback for async calls, NULL for DOWAIT calls +* usercb user callback for async calls, NULL for DOWAIT calls +* usercb_data user supplied data pointer for async calls, NULL +* for DOWAIT calls +* +* Returns: +* 0 success +* -EIO CTLX failure +* -ERESTARTSYS Awakened on signal +* -ENODATA riddatalen != macdatalen +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* Call context: +* interrupt (DOASYNC) +* process (DOWAIT or DOASYNC) +----------------------------------------------------------------*/ +static int +hfa384x_dorrid( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 rid, + void *riddata, + UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + int result; + hfa384x_usbctlx_t *ctlx; + + DBFENTER; + ctlx = usbctlx_alloc(); + if ( ctlx == NULL ) { + result = -ENOMEM; + goto done; + } + + /* Initialize the command */ + ctlx->outbuf.rridreq.type = host2hfa384x_16(HFA384x_USB_RRIDREQ); + ctlx->outbuf.rridreq.frmlen = + host2hfa384x_16(sizeof(ctlx->outbuf.rridreq.rid)); + ctlx->outbuf.rridreq.rid = host2hfa384x_16(rid); + + ctlx->outbufsize = sizeof(ctlx->outbuf.rridreq); + + ctlx->reapable = mode; + ctlx->cmdcb = cmdcb; + ctlx->usercb = usercb; + ctlx->usercb_data = usercb_data; + + /* Submit the CTLX */ + result = hfa384x_usbctlx_submit(hw, ctlx); + if (result != 0) { + kfree(ctlx); + } else if (mode == DOWAIT) { + usbctlx_rrid_completor_t completor; + + result = hfa384x_usbctlx_complete_sync( + hw, ctlx, init_rrid_completor(&completor, + &ctlx->inbuf.rridresp, + riddata, + riddatalen) ); + } + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_dowrid +* +* Constructs a write rid CTLX and issues it. +* +* NOTE: Any changes to the 'post-submit' code in this function +* need to be carried over to hfa384x_cbwrid() since the handling +* is virtually identical. +* +* Arguments: +* hw device structure +* CMD_MODE DOWAIT or DOASYNC +* rid RID code +* riddata Data portion of RID formatted for MAC +* riddatalen Length of the data portion in bytes +* cmdcb command callback for async calls, NULL for DOWAIT calls +* usercb user callback for async calls, NULL for DOWAIT calls +* usercb_data user supplied data pointer for async calls +* +* Returns: +* 0 success +* -ETIMEDOUT timed out waiting for register ready or +* command completion +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* Call context: +* interrupt (DOASYNC) +* process (DOWAIT or DOASYNC) +----------------------------------------------------------------*/ +static int +hfa384x_dowrid( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 rid, + void *riddata, + UINT riddatalen, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + int result; + hfa384x_usbctlx_t *ctlx; + + DBFENTER; + ctlx = usbctlx_alloc(); + if ( ctlx == NULL ) { + result = -ENOMEM; + goto done; + } + + /* Initialize the command */ + ctlx->outbuf.wridreq.type = host2hfa384x_16(HFA384x_USB_WRIDREQ); + ctlx->outbuf.wridreq.frmlen = host2hfa384x_16( + (sizeof(ctlx->outbuf.wridreq.rid) + + riddatalen + 1) / 2); + ctlx->outbuf.wridreq.rid = host2hfa384x_16(rid); + memcpy(ctlx->outbuf.wridreq.data, riddata, riddatalen); + + ctlx->outbufsize = sizeof(ctlx->outbuf.wridreq.type) + + sizeof(ctlx->outbuf.wridreq.frmlen) + + sizeof(ctlx->outbuf.wridreq.rid) + + riddatalen; + + ctlx->reapable = mode; + ctlx->cmdcb = cmdcb; + ctlx->usercb = usercb; + ctlx->usercb_data = usercb_data; + + /* Submit the CTLX */ + result = hfa384x_usbctlx_submit(hw, ctlx); + if (result != 0) { + kfree(ctlx); + } else if (mode == DOWAIT) { + usbctlx_wrid_completor_t completor; + hfa384x_cmdresult_t wridresult; + + result = hfa384x_usbctlx_complete_sync( + hw, + ctlx, + init_wrid_completor(&completor, + &ctlx->inbuf.wridresp, + &wridresult) ); + } + +done: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_dormem +* +* Constructs a readmem CTLX and issues it. +* +* NOTE: Any changes to the 'post-submit' code in this function +* need to be carried over to hfa384x_cbrmem() since the handling +* is virtually identical. +* +* Arguments: +* hw device structure +* mode DOWAIT or DOASYNC +* page MAC address space page (CMD format) +* offset MAC address space offset +* data Ptr to data buffer to receive read +* len Length of the data to read (max == 2048) +* cmdcb command callback for async calls, NULL for DOWAIT calls +* usercb user callback for async calls, NULL for DOWAIT calls +* usercb_data user supplied data pointer for async calls +* +* Returns: +* 0 success +* -ETIMEDOUT timed out waiting for register ready or +* command completion +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* Call context: +* interrupt (DOASYNC) +* process (DOWAIT or DOASYNC) +----------------------------------------------------------------*/ +static int +hfa384x_dormem( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 page, + UINT16 offset, + void *data, + UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + int result; + hfa384x_usbctlx_t *ctlx; + + DBFENTER; + ctlx = usbctlx_alloc(); + if ( ctlx == NULL ) { + result = -ENOMEM; + goto done; + } + + /* Initialize the command */ + ctlx->outbuf.rmemreq.type = host2hfa384x_16(HFA384x_USB_RMEMREQ); + ctlx->outbuf.rmemreq.frmlen = host2hfa384x_16( + sizeof(ctlx->outbuf.rmemreq.offset) + + sizeof(ctlx->outbuf.rmemreq.page) + + len); + ctlx->outbuf.rmemreq.offset = host2hfa384x_16(offset); + ctlx->outbuf.rmemreq.page = host2hfa384x_16(page); + + ctlx->outbufsize = sizeof(ctlx->outbuf.rmemreq); + + WLAN_LOG_DEBUG(4, + "type=0x%04x frmlen=%d offset=0x%04x page=0x%04x\n", + ctlx->outbuf.rmemreq.type, + ctlx->outbuf.rmemreq.frmlen, + ctlx->outbuf.rmemreq.offset, + ctlx->outbuf.rmemreq.page); + + WLAN_LOG_DEBUG(4,"pktsize=%zd\n", + ROUNDUP64(sizeof(ctlx->outbuf.rmemreq))); + + ctlx->reapable = mode; + ctlx->cmdcb = cmdcb; + ctlx->usercb = usercb; + ctlx->usercb_data = usercb_data; + + result = hfa384x_usbctlx_submit(hw, ctlx); + if (result != 0) { + kfree(ctlx); + } else if ( mode == DOWAIT ) { + usbctlx_rmem_completor_t completor; + + result = hfa384x_usbctlx_complete_sync( + hw, ctlx, init_rmem_completor(&completor, + &ctlx->inbuf.rmemresp, + data, + len) ); + } + +done: + DBFEXIT; + return result; +} + + + +/*---------------------------------------------------------------- +* hfa384x_dowmem +* +* Constructs a writemem CTLX and issues it. +* +* NOTE: Any changes to the 'post-submit' code in this function +* need to be carried over to hfa384x_cbwmem() since the handling +* is virtually identical. +* +* Arguments: +* hw device structure +* mode DOWAIT or DOASYNC +* page MAC address space page (CMD format) +* offset MAC address space offset +* data Ptr to data buffer containing write data +* len Length of the data to read (max == 2048) +* cmdcb command callback for async calls, NULL for DOWAIT calls +* usercb user callback for async calls, NULL for DOWAIT calls +* usercb_data user supplied data pointer for async calls. +* +* Returns: +* 0 success +* -ETIMEDOUT timed out waiting for register ready or +* command completion +* >0 command indicated error, Status and Resp0-2 are +* in hw structure. +* +* Side effects: +* +* Call context: +* interrupt (DOWAIT) +* process (DOWAIT or DOASYNC) +----------------------------------------------------------------*/ +static int +hfa384x_dowmem( + hfa384x_t *hw, + CMD_MODE mode, + UINT16 page, + UINT16 offset, + void *data, + UINT len, + ctlx_cmdcb_t cmdcb, + ctlx_usercb_t usercb, + void *usercb_data) +{ + int result; + hfa384x_usbctlx_t *ctlx; + + DBFENTER; + WLAN_LOG_DEBUG(5, "page=0x%04x offset=0x%04x len=%d\n", + page,offset,len); + + ctlx = usbctlx_alloc(); + if ( ctlx == NULL ) { + result = -ENOMEM; + goto done; + } + + /* Initialize the command */ + ctlx->outbuf.wmemreq.type = host2hfa384x_16(HFA384x_USB_WMEMREQ); + ctlx->outbuf.wmemreq.frmlen = host2hfa384x_16( + sizeof(ctlx->outbuf.wmemreq.offset) + + sizeof(ctlx->outbuf.wmemreq.page) + + len); + ctlx->outbuf.wmemreq.offset = host2hfa384x_16(offset); + ctlx->outbuf.wmemreq.page = host2hfa384x_16(page); + memcpy(ctlx->outbuf.wmemreq.data, data, len); + + ctlx->outbufsize = sizeof(ctlx->outbuf.wmemreq.type) + + sizeof(ctlx->outbuf.wmemreq.frmlen) + + sizeof(ctlx->outbuf.wmemreq.offset) + + sizeof(ctlx->outbuf.wmemreq.page) + + len; + + ctlx->reapable = mode; + ctlx->cmdcb = cmdcb; + ctlx->usercb = usercb; + ctlx->usercb_data = usercb_data; + + result = hfa384x_usbctlx_submit(hw, ctlx); + if (result != 0) { + kfree(ctlx); + } else if ( mode == DOWAIT ) { + usbctlx_wmem_completor_t completor; + hfa384x_cmdresult_t wmemresult; + + result = hfa384x_usbctlx_complete_sync( + hw, + ctlx, + init_wmem_completor(&completor, + &ctlx->inbuf.wmemresp, + &wmemresult) ); + } + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_commtallies +* +* Send a commtallies inquiry to the MAC. Note that this is an async +* call that will result in an info frame arriving sometime later. +* +* Arguments: +* hw device structure +* +* Returns: +* zero success. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_commtallies( hfa384x_t *hw ) +{ + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = HFA384x_CMDCODE_INQ; + cmd.parm0 = HFA384x_IT_COMMTALLIES; + cmd.parm1 = 0; + cmd.parm2 = 0; + + hfa384x_docmd_async(hw, &cmd, NULL, NULL, NULL); + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_disable +* +* Issues the disable command to stop communications on one of +* the MACs 'ports'. Only macport 0 is valid for stations. +* APs may also disable macports 1-6. Only ports that have been +* previously enabled may be disabled. +* +* Arguments: +* hw device structure +* macport MAC port number (host order) +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + + DBFENTER; + if ((!hw->isap && macport != 0) || + (hw->isap && !(macport <= HFA384x_PORTID_MAX)) || + !(hw->port_enabled[macport]) ){ + result = -EINVAL; + } else { + result = hfa384x_cmd_disable(hw, macport); + if ( result == 0 ) { + hw->port_enabled[macport] = 0; + } + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_enable +* +* Issues the enable command to enable communications on one of +* the MACs 'ports'. Only macport 0 is valid for stations. +* APs may also enable macports 1-6. Only ports that are currently +* disabled may be enabled. +* +* Arguments: +* hw device structure +* macport MAC port number +* +* Returns: +* 0 success +* >0 f/w reported failure - f/w status code +* <0 driver reported error (timeout|bad arg) +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport) +{ + int result = 0; + + DBFENTER; + if ((!hw->isap && macport != 0) || + (hw->isap && !(macport <= HFA384x_PORTID_MAX)) || + (hw->port_enabled[macport]) ){ + result = -EINVAL; + } else { + result = hfa384x_cmd_enable(hw, macport); + if ( result == 0 ) { + hw->port_enabled[macport] = 1; + } + } + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_enable +* +* Begins the flash download state. Checks to see that we're not +* already in a download state and that a port isn't enabled. +* Sets the download state and retrieves the flash download +* buffer location, buffer size, and timeout length. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_flashdl_enable(hfa384x_t *hw) +{ + int result = 0; + int i; + + DBFENTER; + /* Check that a port isn't active */ + for ( i = 0; i < HFA384x_PORTID_MAX; i++) { + if ( hw->port_enabled[i] ) { + WLAN_LOG_DEBUG(1,"called when port enabled.\n"); + return -EINVAL; + } + } + + /* Check that we're not already in a download state */ + if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) { + return -EINVAL; + } + + /* Retrieve the buffer loc&size and timeout */ + if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER, + &(hw->bufinfo), sizeof(hw->bufinfo))) ) { + return result; + } + hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page); + hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset); + hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len); + if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME, + &(hw->dltimeout))) ) { + return result; + } + hw->dltimeout = hfa384x2host_16(hw->dltimeout); + + WLAN_LOG_DEBUG(1,"flashdl_enable\n"); + + hw->dlstate = HFA384x_DLSTATE_FLASHENABLED; + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_disable +* +* Ends the flash download state. Note that this will cause the MAC +* firmware to restart. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_flashdl_disable(hfa384x_t *hw) +{ + DBFENTER; + /* Check that we're already in the download state */ + if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) { + return -EINVAL; + } + + WLAN_LOG_DEBUG(1,"flashdl_enable\n"); + + /* There isn't much we can do at this point, so I don't */ + /* bother w/ the return value */ + hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0); + hw->dlstate = HFA384x_DLSTATE_DISABLED; + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_flashdl_write +* +* Performs a FLASH download of a chunk of data. First checks to see +* that we're in the FLASH download state, then sets the download +* mode, uses the aux functions to 1) copy the data to the flash +* buffer, 2) sets the download 'write flash' mode, 3) readback and +* compare. Lather rinse, repeat as many times an necessary to get +* all the given data into flash. +* When all data has been written using this function (possibly +* repeatedly), call drvr_flashdl_disable() to end the download state +* and restart the MAC. +* +* Arguments: +* hw device structure +* daddr Card address to write to. (host order) +* buf Ptr to data to write. +* len Length of data (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_drvr_flashdl_write( + hfa384x_t *hw, + UINT32 daddr, + void *buf, + UINT32 len) +{ + int result = 0; + UINT32 dlbufaddr; + int nburns; + UINT32 burnlen; + UINT32 burndaddr; + UINT16 burnlo; + UINT16 burnhi; + int nwrites; + UINT8 *writebuf; + UINT16 writepage; + UINT16 writeoffset; + UINT32 writelen; + int i; + int j; + + DBFENTER; + WLAN_LOG_DEBUG(5,"daddr=0x%08x len=%d\n", daddr, len); + + /* Check that we're in the flash download state */ + if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) { + return -EINVAL; + } + + WLAN_LOG_INFO("Download %d bytes to flash @0x%06x\n", len, daddr); + + /* Convert to flat address for arithmetic */ + /* NOTE: dlbuffer RID stores the address in AUX format */ + dlbufaddr = HFA384x_ADDR_AUX_MKFLAT( + hw->bufinfo.page, hw->bufinfo.offset); + WLAN_LOG_DEBUG(5, + "dlbuf.page=0x%04x dlbuf.offset=0x%04x dlbufaddr=0x%08x\n", + hw->bufinfo.page, hw->bufinfo.offset, dlbufaddr); + +#if 0 +WLAN_LOG_WARNING("dlbuf@0x%06lx len=%d to=%d\n", dlbufaddr, hw->bufinfo.len, hw->dltimeout); +#endif + /* Calculations to determine how many fills of the dlbuffer to do + * and how many USB wmemreq's to do for each fill. At this point + * in time, the dlbuffer size and the wmemreq size are the same. + * Therefore, nwrites should always be 1. The extra complexity + * here is a hedge against future changes. + */ + + /* Figure out how many times to do the flash programming */ + nburns = len / hw->bufinfo.len; + nburns += (len % hw->bufinfo.len) ? 1 : 0; + + /* For each flash program cycle, how many USB wmemreq's are needed? */ + nwrites = hw->bufinfo.len / HFA384x_USB_RWMEM_MAXLEN; + nwrites += (hw->bufinfo.len % HFA384x_USB_RWMEM_MAXLEN) ? 1 : 0; + + /* For each burn */ + for ( i = 0; i < nburns; i++) { + /* Get the dest address and len */ + burnlen = (len - (hw->bufinfo.len * i)) > hw->bufinfo.len ? + hw->bufinfo.len : + (len - (hw->bufinfo.len * i)); + burndaddr = daddr + (hw->bufinfo.len * i); + burnlo = HFA384x_ADDR_CMD_MKOFF(burndaddr); + burnhi = HFA384x_ADDR_CMD_MKPAGE(burndaddr); + + WLAN_LOG_INFO("Writing %d bytes to flash @0x%06x\n", + burnlen, burndaddr); + + /* Set the download mode */ + result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NV, + burnlo, burnhi, burnlen); + if ( result ) { + WLAN_LOG_ERROR("download(NV,lo=%x,hi=%x,len=%x) " + "cmd failed, result=%d. Aborting d/l\n", + burnlo, burnhi, burnlen, result); + goto exit_proc; + } + + /* copy the data to the flash download buffer */ + for ( j=0; j < nwrites; j++) { + writebuf = buf + + (i*hw->bufinfo.len) + + (j*HFA384x_USB_RWMEM_MAXLEN); + + writepage = HFA384x_ADDR_CMD_MKPAGE( + dlbufaddr + + (j*HFA384x_USB_RWMEM_MAXLEN)); + writeoffset = HFA384x_ADDR_CMD_MKOFF( + dlbufaddr + + (j*HFA384x_USB_RWMEM_MAXLEN)); + + writelen = burnlen-(j*HFA384x_USB_RWMEM_MAXLEN); + writelen = writelen > HFA384x_USB_RWMEM_MAXLEN ? + HFA384x_USB_RWMEM_MAXLEN : + writelen; + + result = hfa384x_dowmem_wait( hw, + writepage, + writeoffset, + writebuf, + writelen ); +#if 0 + +Comment out for debugging, assume the write was successful. + if (result) { + WLAN_LOG_ERROR( + "Write to dl buffer failed, " + "result=0x%04x. Aborting.\n", + result); + goto exit_proc; + } +#endif + + } + + /* set the download 'write flash' mode */ + result = hfa384x_cmd_download(hw, + HFA384x_PROGMODE_NVWRITE, + 0,0,0); + if ( result ) { + WLAN_LOG_ERROR( + "download(NVWRITE,lo=%x,hi=%x,len=%x) " + "cmd failed, result=%d. Aborting d/l\n", + burnlo, burnhi, burnlen, result); + goto exit_proc; + } + + /* TODO: We really should do a readback and compare. */ + } + +exit_proc: + + /* Leave the firmware in the 'post-prog' mode. flashdl_disable will */ + /* actually disable programming mode. Remember, that will cause the */ + /* the firmware to effectively reset itself. */ + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_getconfig +* +* Performs the sequence necessary to read a config/info item. +* +* Arguments: +* hw device structure +* rid config/info record id (host order) +* buf host side record buffer. Upon return it will +* contain the body portion of the record (minus the +* RID and len). +* len buffer length (in bytes, should match record length) +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* -ENODATA length mismatch between argument and retrieved +* record. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len) +{ + int result; + DBFENTER; + + result = hfa384x_dorrid_wait(hw, rid, buf, len); + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- + * hfa384x_drvr_getconfig_async + * + * Performs the sequence necessary to perform an async read of + * of a config/info item. + * + * Arguments: + * hw device structure + * rid config/info record id (host order) + * buf host side record buffer. Upon return it will + * contain the body portion of the record (minus the + * RID and len). + * len buffer length (in bytes, should match record length) + * cbfn caller supplied callback, called when the command + * is done (successful or not). + * cbfndata pointer to some caller supplied data that will be + * passed in as an argument to the cbfn. + * + * Returns: + * nothing the cbfn gets a status argument identifying if + * any errors occur. + * Side effects: + * Queues an hfa384x_usbcmd_t for subsequent execution. + * + * Call context: + * Any + ----------------------------------------------------------------*/ +int +hfa384x_drvr_getconfig_async( + hfa384x_t *hw, + UINT16 rid, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dorrid_async(hw, rid, NULL, 0, + hfa384x_cb_rrid, usercb, usercb_data); +} + +/*---------------------------------------------------------------- + * hfa384x_drvr_setconfig_async + * + * Performs the sequence necessary to write a config/info item. + * + * Arguments: + * hw device structure + * rid config/info record id (in host order) + * buf host side record buffer + * len buffer length (in bytes) + * usercb completion callback + * usercb_data completion callback argument + * + * Returns: + * 0 success + * >0 f/w reported error - f/w status code + * <0 driver reported error + * + * Side effects: + * + * Call context: + * process + ----------------------------------------------------------------*/ +int +hfa384x_drvr_setconfig_async( + hfa384x_t *hw, + UINT16 rid, + void *buf, + UINT16 len, + ctlx_usercb_t usercb, + void *usercb_data) +{ + return hfa384x_dowrid_async(hw, rid, buf, len, + hfa384x_cb_status, usercb, usercb_data); +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_handover +* +* Sends a handover notification to the MAC. +* +* Arguments: +* hw device structure +* addr address of station that's left +* +* Returns: +* zero success. +* -ERESTARTSYS received signal while waiting for semaphore. +* -EIO failed to write to bap, or failed in cmd. +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr) +{ + DBFENTER; + WLAN_LOG_ERROR("Not currently supported in USB!\n"); + DBFEXIT; + return -EIO; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_low_level +* +* Write test commands to the card. Some test commands don't make +* sense without prior set-up. For example, continous TX isn't very +* useful until you set the channel. That functionality should be +* +* Side effects: +* +* Call context: +* process thread +* -----------------------------------------------------------------*/ +int hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd) +{ + int result; + DBFENTER; + + /* Do i need a host2hfa... conversion ? */ + + result = hfa384x_docmd_wait(hw, cmd); + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_mmi_read +* +* Read mmi registers. mmi is intersil-speak for the baseband +* processor registers. +* +* Arguments: +* hw device structure +* register The test register to be accessed (must be even #). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 addr, UINT32 *resp) +{ +#if 0 + int result = 0; + UINT16 cmd_code = (UINT16) 0x30; + UINT16 param = (UINT16) addr; + DBFENTER; + + /* Do i need a host2hfa... conversion ? */ + result = hfa384x_docmd_wait(hw, cmd_code); + + DBFEXIT; + return result; +#endif +return 0; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_mmi_write +* +* Read mmi registers. mmi is intersil-speak for the baseband +* processor registers. +* +* Arguments: +* hw device structure +* addr The test register to be accessed (must be even #). +* data The data value to write to the register. +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ + +int +hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 addr, UINT32 data) +{ +#if 0 + int result = 0; + UINT16 cmd_code = (UINT16) 0x31; + UINT16 param0 = (UINT16) addr; + UINT16 param1 = (UINT16) data; + DBFENTER; + + WLAN_LOG_DEBUG(1,"mmi write : addr = 0x%08lx\n", addr); + WLAN_LOG_DEBUG(1,"mmi write : data = 0x%08lx\n", data); + + /* Do i need a host2hfa... conversion ? */ + result = hfa384x_docmd_wait(hw, cmd_code); + + DBFEXIT; + return result; +#endif +return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_disable +* +* Ends the ram download state. +* +* Arguments: +* hw device structure +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_drvr_ramdl_disable(hfa384x_t *hw) +{ + DBFENTER; + /* Check that we're already in the download state */ + if ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) { + return -EINVAL; + } + + WLAN_LOG_DEBUG(3,"ramdl_disable()\n"); + + /* There isn't much we can do at this point, so I don't */ + /* bother w/ the return value */ + hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0); + hw->dlstate = HFA384x_DLSTATE_DISABLED; + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_enable +* +* Begins the ram download state. Checks to see that we're not +* already in a download state and that a port isn't enabled. +* Sets the download state and calls cmd_download with the +* ENABLE_VOLATILE subcommand and the exeaddr argument. +* +* Arguments: +* hw device structure +* exeaddr the card execution address that will be +* jumped to when ramdl_disable() is called +* (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr) +{ + int result = 0; + UINT16 lowaddr; + UINT16 hiaddr; + int i; + DBFENTER; + /* Check that a port isn't active */ + for ( i = 0; i < HFA384x_PORTID_MAX; i++) { + if ( hw->port_enabled[i] ) { + WLAN_LOG_ERROR( + "Can't download with a macport enabled.\n"); + return -EINVAL; + } + } + + /* Check that we're not already in a download state */ + if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) { + WLAN_LOG_ERROR( + "Download state not disabled.\n"); + return -EINVAL; + } + + WLAN_LOG_DEBUG(3,"ramdl_enable, exeaddr=0x%08x\n", exeaddr); + + /* Call the download(1,addr) function */ + lowaddr = HFA384x_ADDR_CMD_MKOFF(exeaddr); + hiaddr = HFA384x_ADDR_CMD_MKPAGE(exeaddr); + + result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_RAM, + lowaddr, hiaddr, 0); + + if ( result == 0) { + /* Set the download state */ + hw->dlstate = HFA384x_DLSTATE_RAMENABLED; + } else { + WLAN_LOG_DEBUG(1, + "cmd_download(0x%04x, 0x%04x) failed, result=%d.\n", + lowaddr, + hiaddr, + result); + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_ramdl_write +* +* Performs a RAM download of a chunk of data. First checks to see +* that we're in the RAM download state, then uses the [read|write]mem USB +* commands to 1) copy the data, 2) readback and compare. The download +* state is unaffected. When all data has been written using +* this function, call drvr_ramdl_disable() to end the download state +* and restart the MAC. +* +* Arguments: +* hw device structure +* daddr Card address to write to. (host order) +* buf Ptr to data to write. +* len Length of data (host order). +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len) +{ + int result = 0; + int nwrites; + UINT8 *data = buf; + int i; + UINT32 curraddr; + UINT16 currpage; + UINT16 curroffset; + UINT16 currlen; + DBFENTER; + /* Check that we're in the ram download state */ + if ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) { + return -EINVAL; + } + + WLAN_LOG_INFO("Writing %d bytes to ram @0x%06x\n", len, daddr); + + /* How many dowmem calls? */ + nwrites = len / HFA384x_USB_RWMEM_MAXLEN; + nwrites += len % HFA384x_USB_RWMEM_MAXLEN ? 1 : 0; + + /* Do blocking wmem's */ + for(i=0; i < nwrites; i++) { + /* make address args */ + curraddr = daddr + (i * HFA384x_USB_RWMEM_MAXLEN); + currpage = HFA384x_ADDR_CMD_MKPAGE(curraddr); + curroffset = HFA384x_ADDR_CMD_MKOFF(curraddr); + currlen = len - (i * HFA384x_USB_RWMEM_MAXLEN); + if ( currlen > HFA384x_USB_RWMEM_MAXLEN) { + currlen = HFA384x_USB_RWMEM_MAXLEN; + } + + /* Do blocking ctlx */ + result = hfa384x_dowmem_wait( hw, + currpage, + curroffset, + data + (i*HFA384x_USB_RWMEM_MAXLEN), + currlen ); + + if (result) break; + + /* TODO: We really should have a readback. */ + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_readpda +* +* Performs the sequence to read the PDA space. Note there is no +* drvr_writepda() function. Writing a PDA is +* generally implemented by a calling component via calls to +* cmd_download and writing to the flash download buffer via the +* aux regs. +* +* Arguments: +* hw device structure +* buf buffer to store PDA in +* len buffer length +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* -ETIMEOUT timout waiting for the cmd regs to become +* available, or waiting for the control reg +* to indicate the Aux port is enabled. +* -ENODATA the buffer does NOT contain a valid PDA. +* Either the card PDA is bad, or the auxdata +* reads are giving us garbage. + +* +* Side effects: +* +* Call context: +* process or non-card interrupt. +----------------------------------------------------------------*/ +int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len) +{ + int result = 0; + UINT16 *pda = buf; + int pdaok = 0; + int morepdrs = 1; + int currpdr = 0; /* word offset of the current pdr */ + size_t i; + UINT16 pdrlen; /* pdr length in bytes, host order */ + UINT16 pdrcode; /* pdr code, host order */ + UINT16 currpage; + UINT16 curroffset; + struct pdaloc { + UINT32 cardaddr; + UINT16 auxctl; + } pdaloc[] = + { + { HFA3842_PDA_BASE, 0}, + { HFA3841_PDA_BASE, 0}, + { HFA3841_PDA_BOGUS_BASE, 0} + }; + + DBFENTER; + + /* Read the pda from each known address. */ + for ( i = 0; i < ARRAY_SIZE(pdaloc); i++) { + /* Make address */ + currpage = HFA384x_ADDR_CMD_MKPAGE(pdaloc[i].cardaddr); + curroffset = HFA384x_ADDR_CMD_MKOFF(pdaloc[i].cardaddr); + + result = hfa384x_dormem_wait(hw, + currpage, + curroffset, + buf, + len); /* units of bytes */ + + if (result) { + WLAN_LOG_WARNING( + "Read from index %zd failed, continuing\n", + i ); + continue; + } + + /* Test for garbage */ + pdaok = 1; /* initially assume good */ + morepdrs = 1; + while ( pdaok && morepdrs ) { + pdrlen = hfa384x2host_16(pda[currpdr]) * 2; + pdrcode = hfa384x2host_16(pda[currpdr+1]); + /* Test the record length */ + if ( pdrlen > HFA384x_PDR_LEN_MAX || pdrlen == 0) { + WLAN_LOG_ERROR("pdrlen invalid=%d\n", + pdrlen); + pdaok = 0; + break; + } + /* Test the code */ + if ( !hfa384x_isgood_pdrcode(pdrcode) ) { + WLAN_LOG_ERROR("pdrcode invalid=%d\n", + pdrcode); + pdaok = 0; + break; + } + /* Test for completion */ + if ( pdrcode == HFA384x_PDR_END_OF_PDA) { + morepdrs = 0; + } + + /* Move to the next pdr (if necessary) */ + if ( morepdrs ) { + /* note the access to pda[], need words here */ + currpdr += hfa384x2host_16(pda[currpdr]) + 1; + } + } + if ( pdaok ) { + WLAN_LOG_INFO( + "PDA Read from 0x%08x in %s space.\n", + pdaloc[i].cardaddr, + pdaloc[i].auxctl == 0 ? "EXTDS" : + pdaloc[i].auxctl == 1 ? "NV" : + pdaloc[i].auxctl == 2 ? "PHY" : + pdaloc[i].auxctl == 3 ? "ICSRAM" : + ""); + break; + } + } + result = pdaok ? 0 : -ENODATA; + + if ( result ) { + WLAN_LOG_DEBUG(3,"Failure: pda is not okay\n"); + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_setconfig +* +* Performs the sequence necessary to write a config/info item. +* +* Arguments: +* hw device structure +* rid config/info record id (in host order) +* buf host side record buffer +* len buffer length (in bytes) +* +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len) +{ + return hfa384x_dowrid_wait(hw, rid, buf, len); +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_start +* +* Issues the MAC initialize command, sets up some data structures, +* and enables the interrupts. After this function completes, the +* low-level stuff should be ready for any/all commands. +* +* Arguments: +* hw device structure +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int hfa384x_drvr_start(hfa384x_t *hw) +{ + int result; + DBFENTER; + + might_sleep(); + + if (usb_clear_halt(hw->usb, hw->endp_in)) { + WLAN_LOG_ERROR( + "Failed to reset bulk in endpoint.\n"); + } + + if (usb_clear_halt(hw->usb, hw->endp_out)) { + WLAN_LOG_ERROR( + "Failed to reset bulk out endpoint.\n"); + } + + /* Synchronous unlink, in case we're trying to restart the driver */ + usb_kill_urb(&hw->rx_urb); + + /* Post the IN urb */ + result = submit_rx_urb(hw, GFP_KERNEL); + if (result != 0) { + WLAN_LOG_ERROR( + "Fatal, failed to submit RX URB, result=%d\n", + result); + goto done; + } + + /* call initialize */ + result = hfa384x_cmd_initialize(hw); + if (result != 0) { + usb_kill_urb(&hw->rx_urb); + WLAN_LOG_ERROR( + "cmd_initialize() failed, result=%d\n", + result); + goto done; + } + + hw->state = HFA384x_STATE_RUNNING; + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* hfa384x_drvr_stop +* +* Shuts down the MAC to the point where it is safe to unload the +* driver. Any subsystem that may be holding a data or function +* ptr into the driver must be cleared/deinitialized. +* +* Arguments: +* hw device structure +* Returns: +* 0 success +* >0 f/w reported error - f/w status code +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +int +hfa384x_drvr_stop(hfa384x_t *hw) +{ + int result = 0; + int i; + DBFENTER; + + might_sleep(); + + /* There's no need for spinlocks here. The USB "disconnect" + * function sets this "removed" flag and then calls us. + */ + if ( !hw->wlandev->hwremoved ) { + /* Call initialize to leave the MAC in its 'reset' state */ + hfa384x_cmd_initialize(hw); + + /* Cancel the rxurb */ + usb_kill_urb(&hw->rx_urb); + } + + hw->link_status = HFA384x_LINK_NOTCONNECTED; + hw->state = HFA384x_STATE_INIT; + + del_timer_sync(&hw->commsqual_timer); + + /* Clear all the port status */ + for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) { + hw->port_enabled[i] = 0; + } + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* hfa384x_drvr_txframe +* +* Takes a frame from prism2sta and queues it for transmission. +* +* Arguments: +* hw device structure +* skb packet buffer struct. Contains an 802.11 +* data frame. +* p80211_hdr points to the 802.11 header for the packet. +* Returns: +* 0 Success and more buffs available +* 1 Success but no more buffs +* 2 Allocation failure +* 4 Buffer full or queue busy +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +int hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep) + +{ + int usbpktlen = sizeof(hfa384x_tx_frame_t); + int result; + int ret; + char *ptr; + + DBFENTER; + + if (hw->tx_urb.status == -EINPROGRESS) { + WLAN_LOG_WARNING("TX URB already in use\n"); + result = 3; + goto exit; + } + + /* Build Tx frame structure */ + /* Set up the control field */ + memset(&hw->txbuff.txfrm.desc, 0, sizeof(hw->txbuff.txfrm.desc)); + + /* Setup the usb type field */ + hw->txbuff.type = host2hfa384x_16(HFA384x_USB_TXFRM); + + /* Set up the sw_support field to identify this frame */ + hw->txbuff.txfrm.desc.sw_support = 0x0123; + +/* Tx complete and Tx exception disable per dleach. Might be causing + * buf depletion + */ +//#define DOEXC SLP -- doboth breaks horribly under load, doexc less so. +#if defined(DOBOTH) + hw->txbuff.txfrm.desc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(1); +#elif defined(DOEXC) + hw->txbuff.txfrm.desc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(0); +#else + hw->txbuff.txfrm.desc.tx_control = + HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) | + HFA384x_TX_TXEX_SET(0) | HFA384x_TX_TXOK_SET(0); +#endif + hw->txbuff.txfrm.desc.tx_control = + host2hfa384x_16(hw->txbuff.txfrm.desc.tx_control); + + /* copy the header over to the txdesc */ + memcpy(&(hw->txbuff.txfrm.desc.frame_control), p80211_hdr, sizeof(p80211_hdr_t)); + + /* if we're using host WEP, increase size by IV+ICV */ + if (p80211_wep->data) { + hw->txbuff.txfrm.desc.data_len = host2hfa384x_16(skb->len+8); + // hw->txbuff.txfrm.desc.tx_control |= HFA384x_TX_NOENCRYPT_SET(1); + usbpktlen+=8; + } else { + hw->txbuff.txfrm.desc.data_len = host2hfa384x_16(skb->len); + } + + usbpktlen += skb->len; + + /* copy over the WEP IV if we are using host WEP */ + ptr = hw->txbuff.txfrm.data; + if (p80211_wep->data) { + memcpy(ptr, p80211_wep->iv, sizeof(p80211_wep->iv)); + ptr+= sizeof(p80211_wep->iv); + memcpy(ptr, p80211_wep->data, skb->len); + } else { + memcpy(ptr, skb->data, skb->len); + } + /* copy over the packet data */ + ptr+= skb->len; + + /* copy over the WEP ICV if we are using host WEP */ + if (p80211_wep->data) { + memcpy(ptr, p80211_wep->icv, sizeof(p80211_wep->icv)); + } + + /* Send the USB packet */ + usb_fill_bulk_urb( &(hw->tx_urb), hw->usb, + hw->endp_out, + &(hw->txbuff), ROUNDUP64(usbpktlen), + hfa384x_usbout_callback, hw->wlandev ); + hw->tx_urb.transfer_flags |= USB_QUEUE_BULK; + + result = 1; + ret = submit_tx_urb(hw, &hw->tx_urb, GFP_ATOMIC); + if ( ret != 0 ) { + WLAN_LOG_ERROR( + "submit_tx_urb() failed, error=%d\n", ret); + result = 3; + } + + exit: + DBFEXIT; + return result; +} + +void hfa384x_tx_timeout(wlandevice_t *wlandev) +{ + hfa384x_t *hw = wlandev->priv; + unsigned long flags; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + if ( !hw->wlandev->hwremoved && + /* Note the bitwise OR, not the logical OR. */ + ( !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) | + !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) ) ) + { + schedule_work(&hw->usb_work); + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_reaper_task +* +* Tasklet to delete dead CTLX objects +* +* Arguments: +* data ptr to a hfa384x_t +* +* Returns: +* +* Call context: +* Interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbctlx_reaper_task(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t*)data; + struct list_head *entry; + struct list_head *temp; + unsigned long flags; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* This list is guaranteed to be empty if someone + * has unplugged the adapter. + */ + list_for_each_safe(entry, temp, &hw->ctlxq.reapable) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + list_del(&ctlx->list); + kfree(ctlx); + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_completion_task +* +* Tasklet to call completion handlers for returned CTLXs +* +* Arguments: +* data ptr to hfa384x_t +* +* Returns: +* Nothing +* +* Call context: +* Interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbctlx_completion_task(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t*)data; + struct list_head *entry; + struct list_head *temp; + unsigned long flags; + + int reap = 0; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* This list is guaranteed to be empty if someone + * has unplugged the adapter ... + */ + list_for_each_safe(entry, temp, &hw->ctlxq.completing) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + + /* Call the completion function that this + * command was assigned, assuming it has one. + */ + if ( ctlx->cmdcb != NULL ) { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + ctlx->cmdcb(hw, ctlx); + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* Make sure we don't try and complete + * this CTLX more than once! + */ + ctlx->cmdcb = NULL; + + /* Did someone yank the adapter out + * while our list was (briefly) unlocked? + */ + if ( hw->wlandev->hwremoved ) + { + reap = 0; + break; + } + } + + /* + * "Reapable" CTLXs are ones which don't have any + * threads waiting for them to die. Hence they must + * be delivered to The Reaper! + */ + if ( ctlx->reapable ) { + /* Move the CTLX off the "completing" list (hopefully) + * on to the "reapable" list where the reaper task + * can find it. And "reapable" means that this CTLX + * isn't sitting on a wait-queue somewhere. + */ + list_move_tail(&ctlx->list, &hw->ctlxq.reapable); + reap = 1; + } + + complete(&ctlx->done); + } + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + if (reap) + tasklet_schedule(&hw->reaper_bh); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* unlocked_usbctlx_cancel_async +* +* Mark the CTLX dead asynchronously, and ensure that the +* next command on the queue is run afterwards. +* +* Arguments: +* hw ptr to the hfa384x_t structure +* ctlx ptr to a CTLX structure +* +* Returns: +* 0 the CTLX's URB is inactive +* -EINPROGRESS the URB is currently being unlinked +* +* Call context: +* Either process or interrupt, but presumably interrupt +----------------------------------------------------------------*/ +static int unlocked_usbctlx_cancel_async(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx) +{ + int ret; + + DBFENTER; + + /* + * Try to delete the URB containing our request packet. + * If we succeed, then its completion handler will be + * called with a status of -ECONNRESET. + */ + hw->ctlx_urb.transfer_flags |= URB_ASYNC_UNLINK; + ret = usb_unlink_urb(&hw->ctlx_urb); + + if (ret != -EINPROGRESS) { + /* + * The OUT URB had either already completed + * or was still in the pending queue, so the + * URB's completion function will not be called. + * We will have to complete the CTLX ourselves. + */ + ctlx->state = CTLX_REQ_FAILED; + unlocked_usbctlx_complete(hw, ctlx); + ret = 0; + } + + DBFEXIT; + + return ret; +} + +/*---------------------------------------------------------------- +* unlocked_usbctlx_complete +* +* A CTLX has completed. It may have been successful, it may not +* have been. At this point, the CTLX should be quiescent. The URBs +* aren't active and the timers should have been stopped. +* +* The CTLX is migrated to the "completing" queue, and the completing +* tasklet is scheduled. +* +* Arguments: +* hw ptr to a hfa384x_t structure +* ctlx ptr to a ctlx structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* Either, assume interrupt +----------------------------------------------------------------*/ +static void unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx) +{ + DBFENTER; + + /* Timers have been stopped, and ctlx should be in + * a terminal state. Retire it from the "active" + * queue. + */ + list_move_tail(&ctlx->list, &hw->ctlxq.completing); + tasklet_schedule(&hw->completion_bh); + + switch (ctlx->state) { + case CTLX_COMPLETE: + case CTLX_REQ_FAILED: + /* This are the correct terminating states. */ + break; + + default: + WLAN_LOG_ERROR("CTLX[%d] not in a terminating state(%s)\n", + hfa384x2host_16(ctlx->outbuf.type), + ctlxstr(ctlx->state)); + break; + } /* switch */ + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_usbctlxq_run +* +* Checks to see if the head item is running. If not, starts it. +* +* Arguments: +* hw ptr to hfa384x_t +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* any +----------------------------------------------------------------*/ +static void +hfa384x_usbctlxq_run(hfa384x_t *hw) +{ + unsigned long flags; + DBFENTER; + + /* acquire lock */ + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* Only one active CTLX at any one time, because there's no + * other (reliable) way to match the response URB to the + * correct CTLX. + * + * Don't touch any of these CTLXs if the hardware + * has been removed or the USB subsystem is stalled. + */ + if ( !list_empty(&hw->ctlxq.active) || + test_bit(WORK_TX_HALT, &hw->usb_flags) || + hw->wlandev->hwremoved ) + goto unlock; + + while ( !list_empty(&hw->ctlxq.pending) ) { + hfa384x_usbctlx_t *head; + int result; + + /* This is the first pending command */ + head = list_entry(hw->ctlxq.pending.next, + hfa384x_usbctlx_t, + list); + + /* We need to split this off to avoid a race condition */ + list_move_tail(&head->list, &hw->ctlxq.active); + + /* Fill the out packet */ + usb_fill_bulk_urb( &(hw->ctlx_urb), hw->usb, + hw->endp_out, + &(head->outbuf), ROUNDUP64(head->outbufsize), + hfa384x_ctlxout_callback, hw); + hw->ctlx_urb.transfer_flags |= USB_QUEUE_BULK; + + /* Now submit the URB and update the CTLX's state + */ + if ((result = SUBMIT_URB(&hw->ctlx_urb, GFP_ATOMIC)) == 0) { + /* This CTLX is now running on the active queue */ + head->state = CTLX_REQ_SUBMITTED; + + /* Start the OUT wait timer */ + hw->req_timer_done = 0; + hw->reqtimer.expires = jiffies + HZ; + add_timer(&hw->reqtimer); + + /* Start the IN wait timer */ + hw->resp_timer_done = 0; + hw->resptimer.expires = jiffies + 2*HZ; + add_timer(&hw->resptimer); + + break; + } + + if (result == -EPIPE) { + /* The OUT pipe needs resetting, so put + * this CTLX back in the "pending" queue + * and schedule a reset ... + */ + WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n", + hw->wlandev->netdev->name); + list_move(&head->list, &hw->ctlxq.pending); + set_bit(WORK_TX_HALT, &hw->usb_flags); + schedule_work(&hw->usb_work); + break; + } + + if (result == -ESHUTDOWN) { + WLAN_LOG_WARNING("%s urb shutdown!\n", + hw->wlandev->netdev->name); + break; + } + + WLAN_LOG_ERROR("Failed to submit CTLX[%d]: error=%d\n", + hfa384x2host_16(head->outbuf.type), result); + unlocked_usbctlx_complete(hw, head); + } /* while */ + + unlock: + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbin_callback +* +* Callback for URBs on the BULKIN endpoint. +* +* Arguments: +* urb ptr to the completed urb +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +#ifdef URB_ONLY_CALLBACK +static void hfa384x_usbin_callback(struct urb *urb) +#else +static void hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs) +#endif +{ + wlandevice_t *wlandev = urb->context; + hfa384x_t *hw; + hfa384x_usbin_t *usbin = (hfa384x_usbin_t *) urb->transfer_buffer; + struct sk_buff *skb = NULL; + int result; + int urb_status; + UINT16 type; + + enum USBIN_ACTION { + HANDLE, + RESUBMIT, + ABORT + } action; + + DBFENTER; + + if ( !wlandev || + !wlandev->netdev || + !netif_device_present(wlandev->netdev) ) + goto exit; + + hw = wlandev->priv; + if (!hw) + goto exit; + + skb = hw->rx_urb_skb; + if (!skb || (skb->data != urb->transfer_buffer)) { + BUG(); + } + hw->rx_urb_skb = NULL; + + /* Check for error conditions within the URB */ + switch (urb->status) { + case 0: + action = HANDLE; + + /* Check for short packet */ + if ( urb->actual_length == 0 ) { + ++(wlandev->linux_stats.rx_errors); + ++(wlandev->linux_stats.rx_length_errors); + action = RESUBMIT; + } + break; + + case -EPIPE: + WLAN_LOG_WARNING("%s rx pipe stalled: requesting reset\n", + wlandev->netdev->name); + if ( !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) ) + schedule_work(&hw->usb_work); + ++(wlandev->linux_stats.rx_errors); + action = ABORT; + break; + + case -EILSEQ: + case -ETIMEDOUT: + case -EPROTO: + if ( !test_and_set_bit(THROTTLE_RX, &hw->usb_flags) && + !timer_pending(&hw->throttle) ) { + mod_timer(&hw->throttle, jiffies + THROTTLE_JIFFIES); + } + ++(wlandev->linux_stats.rx_errors); + action = ABORT; + break; + + case -EOVERFLOW: + ++(wlandev->linux_stats.rx_over_errors); + action = RESUBMIT; + break; + + case -ENODEV: + case -ESHUTDOWN: + WLAN_LOG_DEBUG(3,"status=%d, device removed.\n", urb->status); + action = ABORT; + break; + + case -ENOENT: + case -ECONNRESET: + WLAN_LOG_DEBUG(3,"status=%d, urb explicitly unlinked.\n", urb->status); + action = ABORT; + break; + + default: + WLAN_LOG_DEBUG(3,"urb status=%d, transfer flags=0x%x\n", + urb->status, urb->transfer_flags); + ++(wlandev->linux_stats.rx_errors); + action = RESUBMIT; + break; + } + + urb_status = urb->status; + + if (action != ABORT) { + /* Repost the RX URB */ + result = submit_rx_urb(hw, GFP_ATOMIC); + + if (result != 0) { + WLAN_LOG_ERROR( + "Fatal, failed to resubmit rx_urb. error=%d\n", + result); + } + } + + /* Handle any USB-IN packet */ + /* Note: the check of the sw_support field, the type field doesn't + * have bit 12 set like the docs suggest. + */ + type = hfa384x2host_16(usbin->type); + if (HFA384x_USB_ISRXFRM(type)) { + if (action == HANDLE) { + if (usbin->txfrm.desc.sw_support == 0x0123) { + hfa384x_usbin_txcompl(wlandev, usbin); + } else { + skb_put(skb, sizeof(*usbin)); + hfa384x_usbin_rx(wlandev, skb); + skb = NULL; + } + } + goto exit; + } + if (HFA384x_USB_ISTXFRM(type)) { + if (action == HANDLE) + hfa384x_usbin_txcompl(wlandev, usbin); + goto exit; + } + switch (type) { + case HFA384x_USB_INFOFRM: + if (action == ABORT) + goto exit; + if (action == HANDLE) + hfa384x_usbin_info(wlandev, usbin); + break; + + case HFA384x_USB_CMDRESP: + case HFA384x_USB_WRIDRESP: + case HFA384x_USB_RRIDRESP: + case HFA384x_USB_WMEMRESP: + case HFA384x_USB_RMEMRESP: + /* ALWAYS, ALWAYS, ALWAYS handle this CTLX!!!! */ + hfa384x_usbin_ctlx(hw, usbin, urb_status); + break; + + case HFA384x_USB_BUFAVAIL: + WLAN_LOG_DEBUG(3,"Received BUFAVAIL packet, frmlen=%d\n", + usbin->bufavail.frmlen); + break; + + case HFA384x_USB_ERROR: + WLAN_LOG_DEBUG(3,"Received USB_ERROR packet, errortype=%d\n", + usbin->usberror.errortype); + break; + + default: + WLAN_LOG_DEBUG(3,"Unrecognized USBIN packet, type=%x, status=%d\n", + usbin->type, urb_status); + break; + } /* switch */ + +exit: + + if (skb) + dev_kfree_skb(skb); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbin_ctlx +* +* We've received a URB containing a Prism2 "response" message. +* This message needs to be matched up with a CTLX on the active +* queue and our state updated accordingly. +* +* Arguments: +* hw ptr to hfa384x_t +* usbin ptr to USB IN packet +* urb_status status of this Bulk-In URB +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbin_ctlx(hfa384x_t *hw, hfa384x_usbin_t *usbin, + int urb_status) +{ + hfa384x_usbctlx_t *ctlx; + int run_queue = 0; + unsigned long flags; + + DBFENTER; + +retry: + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* There can be only one CTLX on the active queue + * at any one time, and this is the CTLX that the + * timers are waiting for. + */ + if ( list_empty(&hw->ctlxq.active) ) { + goto unlock; + } + + /* Remove the "response timeout". It's possible that + * we are already too late, and that the timeout is + * already running. And that's just too bad for us, + * because we could lose our CTLX from the active + * queue here ... + */ + if (del_timer(&hw->resptimer) == 0) { + if (hw->resp_timer_done == 0) { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + goto retry; + } + } + else { + hw->resp_timer_done = 1; + } + + ctlx = get_active_ctlx(hw); + + if (urb_status != 0) { + /* + * Bad CTLX, so get rid of it. But we only + * remove it from the active queue if we're no + * longer expecting the OUT URB to complete. + */ + if (unlocked_usbctlx_cancel_async(hw, ctlx) == 0) + run_queue = 1; + } else { + const UINT16 intype = (usbin->type&~host2hfa384x_16(0x8000)); + + /* + * Check that our message is what we're expecting ... + */ + if (ctlx->outbuf.type != intype) { + WLAN_LOG_WARNING("Expected IN[%d], received IN[%d] - ignored.\n", + hfa384x2host_16(ctlx->outbuf.type), + hfa384x2host_16(intype)); + goto unlock; + } + + /* This URB has succeeded, so grab the data ... */ + memcpy(&ctlx->inbuf, usbin, sizeof(ctlx->inbuf)); + + switch (ctlx->state) { + case CTLX_REQ_SUBMITTED: + /* + * We have received our response URB before + * our request has been acknowledged. Odd, + * but our OUT URB is still alive... + */ + WLAN_LOG_DEBUG(0, "Causality violation: please reboot Universe, or email linux-wlan-devel@lists.linux-wlan.com\n"); + ctlx->state = CTLX_RESP_COMPLETE; + break; + + case CTLX_REQ_COMPLETE: + /* + * This is the usual path: our request + * has already been acknowledged, and + * now we have received the reply too. + */ + ctlx->state = CTLX_COMPLETE; + unlocked_usbctlx_complete(hw, ctlx); + run_queue = 1; + break; + + default: + /* + * Throw this CTLX away ... + */ + WLAN_LOG_ERROR("Matched IN URB, CTLX[%d] in invalid state(%s)." + " Discarded.\n", + hfa384x2host_16(ctlx->outbuf.type), + ctlxstr(ctlx->state)); + if (unlocked_usbctlx_cancel_async(hw, ctlx) == 0) + run_queue = 1; + break; + } /* switch */ + } + +unlock: + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + if (run_queue) + hfa384x_usbctlxq_run(hw); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbin_txcompl +* +* At this point we have the results of a previous transmit. +* +* Arguments: +* wlandev wlan device +* usbin ptr to the usb transfer buffer +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbin_txcompl(wlandevice_t *wlandev, hfa384x_usbin_t *usbin) +{ + UINT16 status; + DBFENTER; + + status = hfa384x2host_16(usbin->type); /* yeah I know it says type...*/ + + /* Was there an error? */ + if (HFA384x_TXSTATUS_ISERROR(status)) { + prism2sta_ev_txexc(wlandev, status); + } else { + prism2sta_ev_tx(wlandev, status); + } + // prism2sta_ev_alloc(wlandev); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbin_rx +* +* At this point we have a successful received a rx frame packet. +* +* Arguments: +* wlandev wlan device +* usbin ptr to the usb transfer buffer +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbin_rx(wlandevice_t *wlandev, struct sk_buff *skb) +{ + hfa384x_usbin_t *usbin = (hfa384x_usbin_t *) skb->data; + hfa384x_t *hw = wlandev->priv; + int hdrlen; + p80211_rxmeta_t *rxmeta; + UINT16 data_len; + UINT16 fc; + + DBFENTER; + + /* Byte order convert once up front. */ + usbin->rxfrm.desc.status = + hfa384x2host_16(usbin->rxfrm.desc.status); + usbin->rxfrm.desc.time = + hfa384x2host_32(usbin->rxfrm.desc.time); + + /* Now handle frame based on port# */ + switch( HFA384x_RXSTATUS_MACPORT_GET(usbin->rxfrm.desc.status) ) + { + case 0: + fc = ieee2host16(usbin->rxfrm.desc.frame_control); + + /* If exclude and we receive an unencrypted, drop it */ + if ( (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) && + !WLAN_GET_FC_ISWEP(fc)){ + goto done; + } + + data_len = hfa384x2host_16(usbin->rxfrm.desc.data_len); + + /* How much header data do we have? */ + hdrlen = p80211_headerlen(fc); + + /* Pull off the descriptor */ + skb_pull(skb, sizeof(hfa384x_rx_frame_t)); + + /* Now shunt the header block up against the data block + * with an "overlapping" copy + */ + memmove(skb_push(skb, hdrlen), + &usbin->rxfrm.desc.frame_control, + hdrlen); + + skb->dev = wlandev->netdev; + skb->dev->last_rx = jiffies; + + /* And set the frame length properly */ + skb_trim(skb, data_len + hdrlen); + + /* The prism2 series does not return the CRC */ + memset(skb_put(skb, WLAN_CRC_LEN), 0xff, WLAN_CRC_LEN); + + skb_reset_mac_header(skb); + + /* Attach the rxmeta, set some stuff */ + p80211skb_rxmeta_attach(wlandev, skb); + rxmeta = P80211SKB_RXMETA(skb); + rxmeta->mactime = usbin->rxfrm.desc.time; + rxmeta->rxrate = usbin->rxfrm.desc.rate; + rxmeta->signal = usbin->rxfrm.desc.signal - hw->dbmadjust; + rxmeta->noise = usbin->rxfrm.desc.silence - hw->dbmadjust; + + prism2sta_ev_rx(wlandev, skb); + + break; + + case 7: + if ( ! HFA384x_RXSTATUS_ISFCSERR(usbin->rxfrm.desc.status) ) { + /* Copy to wlansnif skb */ + hfa384x_int_rxmonitor( wlandev, &usbin->rxfrm); + dev_kfree_skb(skb); + } else { + WLAN_LOG_DEBUG(3,"Received monitor frame: FCSerr set\n"); + } + break; + + default: + WLAN_LOG_WARNING("Received frame on unsupported port=%d\n", + HFA384x_RXSTATUS_MACPORT_GET(usbin->rxfrm.desc.status) ); + goto done; + break; + } + +done: + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* hfa384x_int_rxmonitor +* +* Helper function for int_rx. Handles monitor frames. +* Note that this function allocates space for the FCS and sets it +* to 0xffffffff. The hfa384x doesn't give us the FCS value but the +* higher layers expect it. 0xffffffff is used as a flag to indicate +* the FCS is bogus. +* +* Arguments: +* wlandev wlan device structure +* rxfrm rx descriptor read from card in int_rx +* +* Returns: +* nothing +* +* Side effects: +* Allocates an skb and passes it up via the PF_PACKET interface. +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_int_rxmonitor( wlandevice_t *wlandev, hfa384x_usb_rxfrm_t *rxfrm) +{ + hfa384x_rx_frame_t *rxdesc = &(rxfrm->desc); + UINT hdrlen = 0; + UINT datalen = 0; + UINT skblen = 0; + p80211msg_lnxind_wlansniffrm_t *msg; + UINT8 *datap; + UINT16 fc; + struct sk_buff *skb; + hfa384x_t *hw = wlandev->priv; + + + DBFENTER; + /* Don't forget the status, time, and data_len fields are in host order */ + /* Figure out how big the frame is */ + fc = ieee2host16(rxdesc->frame_control); + hdrlen = p80211_headerlen(fc); + datalen = hfa384x2host_16(rxdesc->data_len); + + /* Allocate an ind message+framesize skb */ + skblen = sizeof(p80211msg_lnxind_wlansniffrm_t) + + hdrlen + datalen + WLAN_CRC_LEN; + + /* sanity check the length */ + if ( skblen > + (sizeof(p80211msg_lnxind_wlansniffrm_t) + + WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) ) { + WLAN_LOG_DEBUG(1, "overlen frm: len=%zd\n", + skblen - sizeof(p80211msg_lnxind_wlansniffrm_t)); + } + + if ( (skb = dev_alloc_skb(skblen)) == NULL ) { + WLAN_LOG_ERROR("alloc_skb failed trying to allocate %d bytes\n", skblen); + return; + } + + /* only prepend the prism header if in the right mode */ + if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) && + (hw->sniffhdr == 0)) { + datap = skb_put(skb, sizeof(p80211msg_lnxind_wlansniffrm_t)); + msg = (p80211msg_lnxind_wlansniffrm_t*) datap; + + /* Initialize the message members */ + msg->msgcode = DIDmsg_lnxind_wlansniffrm; + msg->msglen = sizeof(p80211msg_lnxind_wlansniffrm_t); + strcpy(msg->devname, wlandev->name); + + msg->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime; + msg->hosttime.status = 0; + msg->hosttime.len = 4; + msg->hosttime.data = jiffies; + + msg->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime; + msg->mactime.status = 0; + msg->mactime.len = 4; + msg->mactime.data = rxdesc->time; + + msg->channel.did = DIDmsg_lnxind_wlansniffrm_channel; + msg->channel.status = 0; + msg->channel.len = 4; + msg->channel.data = hw->sniff_channel; + + msg->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi; + msg->rssi.status = P80211ENUM_msgitem_status_no_value; + msg->rssi.len = 4; + msg->rssi.data = 0; + + msg->sq.did = DIDmsg_lnxind_wlansniffrm_sq; + msg->sq.status = P80211ENUM_msgitem_status_no_value; + msg->sq.len = 4; + msg->sq.data = 0; + + msg->signal.did = DIDmsg_lnxind_wlansniffrm_signal; + msg->signal.status = 0; + msg->signal.len = 4; + msg->signal.data = rxdesc->signal; + + msg->noise.did = DIDmsg_lnxind_wlansniffrm_noise; + msg->noise.status = 0; + msg->noise.len = 4; + msg->noise.data = rxdesc->silence; + + msg->rate.did = DIDmsg_lnxind_wlansniffrm_rate; + msg->rate.status = 0; + msg->rate.len = 4; + msg->rate.data = rxdesc->rate / 5; /* set to 802.11 units */ + + msg->istx.did = DIDmsg_lnxind_wlansniffrm_istx; + msg->istx.status = 0; + msg->istx.len = 4; + msg->istx.data = P80211ENUM_truth_false; + + msg->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen; + msg->frmlen.status = 0; + msg->frmlen.len = 4; + msg->frmlen.data = hdrlen + datalen + WLAN_CRC_LEN; + } else if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) && + (hw->sniffhdr != 0)) { + p80211_caphdr_t *caphdr; + /* The NEW header format! */ + datap = skb_put(skb, sizeof(p80211_caphdr_t)); + caphdr = (p80211_caphdr_t*) datap; + + caphdr->version = htonl(P80211CAPTURE_VERSION); + caphdr->length = htonl(sizeof(p80211_caphdr_t)); + caphdr->mactime = __cpu_to_be64(rxdesc->time) * 1000; + caphdr->hosttime = __cpu_to_be64(jiffies); + caphdr->phytype = htonl(4); /* dss_dot11_b */ + caphdr->channel = htonl(hw->sniff_channel); + caphdr->datarate = htonl(rxdesc->rate); + caphdr->antenna = htonl(0); /* unknown */ + caphdr->priority = htonl(0); /* unknown */ + caphdr->ssi_type = htonl(3); /* rssi_raw */ + caphdr->ssi_signal = htonl(rxdesc->signal); + caphdr->ssi_noise = htonl(rxdesc->silence); + caphdr->preamble = htonl(0); /* unknown */ + caphdr->encoding = htonl(1); /* cck */ + } + + /* Copy the 802.11 header to the skb (ctl frames may be less than a full header) */ + datap = skb_put(skb, hdrlen); + memcpy( datap, &(rxdesc->frame_control), hdrlen); + + /* If any, copy the data from the card to the skb */ + if ( datalen > 0 ) + { + datap = skb_put(skb, datalen); + memcpy(datap, rxfrm->data, datalen); + + /* check for unencrypted stuff if WEP bit set. */ + if (*(datap - hdrlen + 1) & 0x40) // wep set + if ((*(datap) == 0xaa) && (*(datap+1) == 0xaa)) + *(datap - hdrlen + 1) &= 0xbf; // clear wep; it's the 802.2 header! + } + + if (hw->sniff_fcs) { + /* Set the FCS */ + datap = skb_put(skb, WLAN_CRC_LEN); + memset( datap, 0xff, WLAN_CRC_LEN); + } + + /* pass it back up */ + prism2sta_ev_rx(wlandev, skb); + + DBFEXIT; + return; +} + + + +/*---------------------------------------------------------------- +* hfa384x_usbin_info +* +* At this point we have a successful received a Prism2 info frame. +* +* Arguments: +* wlandev wlan device +* usbin ptr to the usb transfer buffer +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbin_info(wlandevice_t *wlandev, hfa384x_usbin_t *usbin) +{ + DBFENTER; + + usbin->infofrm.info.framelen = hfa384x2host_16(usbin->infofrm.info.framelen); + prism2sta_ev_info(wlandev, &usbin->infofrm.info); + + DBFEXIT; +} + + + +/*---------------------------------------------------------------- +* hfa384x_usbout_callback +* +* Callback for URBs on the BULKOUT endpoint. +* +* Arguments: +* urb ptr to the completed urb +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +#ifdef URB_ONLY_CALLBACK +static void hfa384x_usbout_callback(struct urb *urb) +#else +static void hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs) +#endif +{ + wlandevice_t *wlandev = urb->context; + hfa384x_usbout_t *usbout = urb->transfer_buffer; + DBFENTER; + +#ifdef DEBUG_USB + dbprint_urb(urb); +#endif + + if ( wlandev && + wlandev->netdev ) { + + switch(urb->status) { + case 0: + hfa384x_usbout_tx(wlandev, usbout); + break; + + case -EPIPE: + { + hfa384x_t *hw = wlandev->priv; + WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n", + wlandev->netdev->name); + if ( !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) ) + schedule_work(&hw->usb_work); + ++(wlandev->linux_stats.tx_errors); + break; + } + + case -EPROTO: + case -ETIMEDOUT: + case -EILSEQ: + { + hfa384x_t *hw = wlandev->priv; + + if ( !test_and_set_bit(THROTTLE_TX, &hw->usb_flags) + && !timer_pending(&hw->throttle) ) { + mod_timer(&hw->throttle, + jiffies + THROTTLE_JIFFIES); + } + ++(wlandev->linux_stats.tx_errors); + netif_stop_queue(wlandev->netdev); + break; + } + + case -ENOENT: + case -ESHUTDOWN: + /* Ignorable errors */ + break; + + default: + WLAN_LOG_INFO("unknown urb->status=%d\n", urb->status); + ++(wlandev->linux_stats.tx_errors); + break; + } /* switch */ + } + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_ctlxout_callback +* +* Callback for control data on the BULKOUT endpoint. +* +* Arguments: +* urb ptr to the completed urb +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +#ifdef URB_ONLY_CALLBACK +static void hfa384x_ctlxout_callback(struct urb *urb) +#else +static void hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs) +#endif +{ + hfa384x_t *hw = urb->context; + int delete_resptimer = 0; + int timer_ok = 1; + int run_queue = 0; + hfa384x_usbctlx_t *ctlx; + unsigned long flags; + + DBFENTER; + + WLAN_LOG_DEBUG(3,"urb->status=%d\n", urb->status); +#ifdef DEBUG_USB + dbprint_urb(urb); +#endif + if ( (urb->status == -ESHUTDOWN) || + (urb->status == -ENODEV) || + (hw == NULL) ) + goto done; + +retry: + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* + * Only one CTLX at a time on the "active" list, and + * none at all if we are unplugged. However, we can + * rely on the disconnect function to clean everything + * up if someone unplugged the adapter. + */ + if ( list_empty(&hw->ctlxq.active) ) { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + goto done; + } + + /* + * Having something on the "active" queue means + * that we have timers to worry about ... + */ + if (del_timer(&hw->reqtimer) == 0) { + if (hw->req_timer_done == 0) { + /* + * This timer was actually running while we + * were trying to delete it. Let it terminate + * gracefully instead. + */ + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + goto retry; + } + } + else { + hw->req_timer_done = 1; + } + + ctlx = get_active_ctlx(hw); + + if ( urb->status == 0 ) { + /* Request portion of a CTLX is successful */ + switch ( ctlx->state ) { + case CTLX_REQ_SUBMITTED: + /* This OUT-ACK received before IN */ + ctlx->state = CTLX_REQ_COMPLETE; + break; + + case CTLX_RESP_COMPLETE: + /* IN already received before this OUT-ACK, + * so this command must now be complete. + */ + ctlx->state = CTLX_COMPLETE; + unlocked_usbctlx_complete(hw, ctlx); + run_queue = 1; + break; + + default: + /* This is NOT a valid CTLX "success" state! */ + WLAN_LOG_ERROR( + "Illegal CTLX[%d] success state(%s, %d) in OUT URB\n", + hfa384x2host_16(ctlx->outbuf.type), + ctlxstr(ctlx->state), urb->status); + break; + } /* switch */ + } else { + /* If the pipe has stalled then we need to reset it */ + if ( (urb->status == -EPIPE) && + !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) ) { + WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n", + hw->wlandev->netdev->name); + schedule_work(&hw->usb_work); + } + + /* If someone cancels the OUT URB then its status + * should be either -ECONNRESET or -ENOENT. + */ + ctlx->state = CTLX_REQ_FAILED; + unlocked_usbctlx_complete(hw, ctlx); + delete_resptimer = 1; + run_queue = 1; + } + + delresp: + if (delete_resptimer) { + if ((timer_ok = del_timer(&hw->resptimer)) != 0) { + hw->resp_timer_done = 1; + } + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + if ( !timer_ok && (hw->resp_timer_done == 0) ) { + spin_lock_irqsave(&hw->ctlxq.lock, flags); + goto delresp; + } + + if (run_queue) + hfa384x_usbctlxq_run(hw); + + done: + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_reqtimerfn +* +* Timer response function for CTLX request timeouts. If this +* function is called, it means that the callback for the OUT +* URB containing a Prism2.x XXX_Request was never called. +* +* Arguments: +* data a ptr to the hfa384x_t +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void +hfa384x_usbctlx_reqtimerfn(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t*)data; + unsigned long flags; + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + hw->req_timer_done = 1; + + /* Removing the hardware automatically empties + * the active list ... + */ + if ( !list_empty(&hw->ctlxq.active) ) + { + /* + * We must ensure that our URB is removed from + * the system, if it hasn't already expired. + */ + hw->ctlx_urb.transfer_flags |= URB_ASYNC_UNLINK; + if (usb_unlink_urb(&hw->ctlx_urb) == -EINPROGRESS) + { + hfa384x_usbctlx_t *ctlx = get_active_ctlx(hw); + + ctlx->state = CTLX_REQ_FAILED; + + /* This URB was active, but has now been + * cancelled. It will now have a status of + * -ECONNRESET in the callback function. + * + * We are cancelling this CTLX, so we're + * not going to need to wait for a response. + * The URB's callback function will check + * that this timer is truly dead. + */ + if (del_timer(&hw->resptimer) != 0) + hw->resp_timer_done = 1; + } + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_resptimerfn +* +* Timer response function for CTLX response timeouts. If this +* function is called, it means that the callback for the IN +* URB containing a Prism2.x XXX_Response was never called. +* +* Arguments: +* data a ptr to the hfa384x_t +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void +hfa384x_usbctlx_resptimerfn(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t*)data; + unsigned long flags; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + hw->resp_timer_done = 1; + + /* The active list will be empty if the + * adapter has been unplugged ... + */ + if ( !list_empty(&hw->ctlxq.active) ) + { + hfa384x_usbctlx_t *ctlx = get_active_ctlx(hw); + + if ( unlocked_usbctlx_cancel_async(hw, ctlx) == 0 ) + { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + hfa384x_usbctlxq_run(hw); + goto done; + } + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + done: + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_usb_throttlefn +* +* +* Arguments: +* data ptr to hw +* +* Returns: +* Nothing +* +* Side effects: +* +* Call context: +* Interrupt +----------------------------------------------------------------*/ +static void +hfa384x_usb_throttlefn(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t*)data; + unsigned long flags; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + /* + * We need to check BOTH the RX and the TX throttle controls, + * so we use the bitwise OR instead of the logical OR. + */ + WLAN_LOG_DEBUG(3, "flags=0x%lx\n", hw->usb_flags); + if ( !hw->wlandev->hwremoved && + ( + (test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) && + !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags)) + | + (test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) && + !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags)) + ) ) + { + schedule_work(&hw->usb_work); + } + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbctlx_submit +* +* Called from the doxxx functions to submit a CTLX to the queue +* +* Arguments: +* hw ptr to the hw struct +* ctlx ctlx structure to enqueue +* +* Returns: +* -ENODEV if the adapter is unplugged +* 0 +* +* Side effects: +* +* Call context: +* process or interrupt +----------------------------------------------------------------*/ +static int +hfa384x_usbctlx_submit( + hfa384x_t *hw, + hfa384x_usbctlx_t *ctlx) +{ + unsigned long flags; + int ret; + + DBFENTER; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + if (hw->wlandev->hwremoved) { + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + ret = -ENODEV; + } else { + ctlx->state = CTLX_PENDING; + list_add_tail(&ctlx->list, &hw->ctlxq.pending); + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + hfa384x_usbctlxq_run(hw); + ret = 0; + } + + DBFEXIT; + return ret; +} + + +/*---------------------------------------------------------------- +* hfa384x_usbout_tx +* +* At this point we have finished a send of a frame. Mark the URB +* as available and call ev_alloc to notify higher layers we're +* ready for more. +* +* Arguments: +* wlandev wlan device +* usbout ptr to the usb transfer buffer +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void hfa384x_usbout_tx(wlandevice_t *wlandev, hfa384x_usbout_t *usbout) +{ + DBFENTER; + + prism2sta_ev_alloc(wlandev); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* hfa384x_isgood_pdrcore +* +* Quick check of PDR codes. +* +* Arguments: +* pdrcode PDR code number (host order) +* +* Returns: +* zero not good. +* one is good. +* +* Side effects: +* +* Call context: +----------------------------------------------------------------*/ +static int +hfa384x_isgood_pdrcode(UINT16 pdrcode) +{ + switch(pdrcode) { + case HFA384x_PDR_END_OF_PDA: + case HFA384x_PDR_PCB_PARTNUM: + case HFA384x_PDR_PDAVER: + case HFA384x_PDR_NIC_SERIAL: + case HFA384x_PDR_MKK_MEASUREMENTS: + case HFA384x_PDR_NIC_RAMSIZE: + case HFA384x_PDR_MFISUPRANGE: + case HFA384x_PDR_CFISUPRANGE: + case HFA384x_PDR_NICID: + case HFA384x_PDR_MAC_ADDRESS: + case HFA384x_PDR_REGDOMAIN: + case HFA384x_PDR_ALLOWED_CHANNEL: + case HFA384x_PDR_DEFAULT_CHANNEL: + case HFA384x_PDR_TEMPTYPE: + case HFA384x_PDR_IFR_SETTING: + case HFA384x_PDR_RFR_SETTING: + case HFA384x_PDR_HFA3861_BASELINE: + case HFA384x_PDR_HFA3861_SHADOW: + case HFA384x_PDR_HFA3861_IFRF: + case HFA384x_PDR_HFA3861_CHCALSP: + case HFA384x_PDR_HFA3861_CHCALI: + case HFA384x_PDR_3842_NIC_CONFIG: + case HFA384x_PDR_USB_ID: + case HFA384x_PDR_PCI_ID: + case HFA384x_PDR_PCI_IFCONF: + case HFA384x_PDR_PCI_PMCONF: + case HFA384x_PDR_RFENRGY: + case HFA384x_PDR_HFA3861_MANF_TESTSP: + case HFA384x_PDR_HFA3861_MANF_TESTI: + /* code is OK */ + return 1; + break; + default: + if ( pdrcode < 0x1000 ) { + /* code is OK, but we don't know exactly what it is */ + WLAN_LOG_DEBUG(3, + "Encountered unknown PDR#=0x%04x, " + "assuming it's ok.\n", + pdrcode); + return 1; + } else { + /* bad code */ + WLAN_LOG_DEBUG(3, + "Encountered unknown PDR#=0x%04x, " + "(>=0x1000), assuming it's bad.\n", + pdrcode); + return 0; + } + break; + } + return 0; /* avoid compiler warnings */ +} + diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c new file mode 100644 index 000000000000..68121b9b34fa --- /dev/null +++ b/drivers/staging/wlan-ng/p80211conv.c @@ -0,0 +1,683 @@ +/* src/p80211/p80211conv.c +* +* Ether/802.11 conversions and packet buffer routines +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file defines the functions that perform Ethernet to/from +* 802.11 frame conversions. +* +* -------------------------------------------------------------------- +*/ +/*================================================================*/ +/* System Includes */ + +#define __NO_VERSION__ /* prevent the static definition */ + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "version.h" +#include "wlan_compat.h" + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211conv.h" +#include "p80211mgmt.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211ioctl.h" +#include "p80211req.h" + + +/*================================================================*/ +/* Local Constants */ + +/*================================================================*/ +/* Local Macros */ + + +/*================================================================*/ +/* Local Types */ + + +/*================================================================*/ +/* Local Static Definitions */ + +static UINT8 oui_rfc1042[] = {0x00, 0x00, 0x00}; +static UINT8 oui_8021h[] = {0x00, 0x00, 0xf8}; + +/*================================================================*/ +/* Local Function Declarations */ + + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* p80211pb_ether_to_80211 +* +* Uses the contents of the ether frame and the etherconv setting +* to build the elements of the 802.11 frame. +* +* We don't actually set +* up the frame header here. That's the MAC's job. We're only handling +* conversion of DIXII or 802.3+LLC frames to something that works +* with 802.11. +* +* Note -- 802.11 header is NOT part of the skb. Likewise, the 802.11 +* FCS is also not present and will need to be added elsewhere. +* +* Arguments: +* ethconv Conversion type to perform +* skb skbuff containing the ether frame +* p80211_hdr 802.11 header +* +* Returns: +* 0 on success, non-zero otherwise +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +int skb_ether_to_p80211( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep) +{ + + UINT16 fc; + UINT16 proto; + wlan_ethhdr_t e_hdr; + wlan_llc_t *e_llc; + wlan_snap_t *e_snap; + int foo; + + DBFENTER; + memcpy(&e_hdr, skb->data, sizeof(e_hdr)); + + if (skb->len <= 0) { + WLAN_LOG_DEBUG(1, "zero-length skb!\n"); + return 1; + } + + if ( ethconv == WLAN_ETHCONV_ENCAP ) { /* simplest case */ + WLAN_LOG_DEBUG(3, "ENCAP len: %d\n", skb->len); + /* here, we don't care what kind of ether frm. Just stick it */ + /* in the 80211 payload */ + /* which is to say, leave the skb alone. */ + } else { + /* step 1: classify ether frame, DIX or 802.3? */ + proto = ntohs(e_hdr.type); + if ( proto <= 1500 ) { + WLAN_LOG_DEBUG(3, "802.3 len: %d\n", skb->len); + /* codes <= 1500 reserved for 802.3 lengths */ + /* it's 802.3, pass ether payload unchanged, */ + + /* trim off ethernet header */ + skb_pull(skb, WLAN_ETHHDR_LEN); + + /* leave off any PAD octets. */ + skb_trim(skb, proto); + } else { + WLAN_LOG_DEBUG(3, "DIXII len: %d\n", skb->len); + /* it's DIXII, time for some conversion */ + + /* trim off ethernet header */ + skb_pull(skb, WLAN_ETHHDR_LEN); + + /* tack on SNAP */ + e_snap = (wlan_snap_t *) skb_push(skb, sizeof(wlan_snap_t)); + e_snap->type = htons(proto); + if ( ethconv == WLAN_ETHCONV_8021h && p80211_stt_findproto(proto) ) { + memcpy( e_snap->oui, oui_8021h, WLAN_IEEE_OUI_LEN); + } else { + memcpy( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN); + } + + /* tack on llc */ + e_llc = (wlan_llc_t *) skb_push(skb, sizeof(wlan_llc_t)); + e_llc->dsap = 0xAA; /* SNAP, see IEEE 802 */ + e_llc->ssap = 0xAA; + e_llc->ctl = 0x03; + + } + } + + /* Set up the 802.11 header */ + /* It's a data frame */ + fc = host2ieee16( WLAN_SET_FC_FTYPE(WLAN_FTYPE_DATA) | + WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DATAONLY)); + + switch ( wlandev->macmode ) { + case WLAN_MACMODE_IBSS_STA: + memcpy(p80211_hdr->a3.a1, &e_hdr.daddr, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a2, wlandev->netdev->dev_addr, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a3, wlandev->bssid, WLAN_ADDR_LEN); + break; + case WLAN_MACMODE_ESS_STA: + fc |= host2ieee16(WLAN_SET_FC_TODS(1)); + memcpy(p80211_hdr->a3.a1, wlandev->bssid, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a2, wlandev->netdev->dev_addr, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a3, &e_hdr.daddr, WLAN_ADDR_LEN); + break; + case WLAN_MACMODE_ESS_AP: + fc |= host2ieee16(WLAN_SET_FC_FROMDS(1)); + memcpy(p80211_hdr->a3.a1, &e_hdr.daddr, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a2, wlandev->bssid, WLAN_ADDR_LEN); + memcpy(p80211_hdr->a3.a3, &e_hdr.saddr, WLAN_ADDR_LEN); + break; + default: + WLAN_LOG_ERROR("Error: Converting eth to wlan in unknown mode.\n"); + return 1; + break; + } + + p80211_wep->data = NULL; + + if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && (wlandev->hostwep & HOSTWEP_ENCRYPT)) { + // XXXX need to pick keynum other than default? + +#if 1 + p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC); +#else + p80211_wep->data = skb->data; +#endif + + if ((foo = wep_encrypt(wlandev, skb->data, p80211_wep->data, + skb->len, + (wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK), + p80211_wep->iv, p80211_wep->icv))) { + WLAN_LOG_WARNING("Host en-WEP failed, dropping frame (%d).\n", foo); + return 2; + } + fc |= host2ieee16(WLAN_SET_FC_ISWEP(1)); + } + + + // skb->nh.raw = skb->data; + + p80211_hdr->a3.fc = fc; + p80211_hdr->a3.dur = 0; + p80211_hdr->a3.seq = 0; + + DBFEXIT; + return 0; +} + +/* jkriegl: from orinoco, modified */ +static void orinoco_spy_gather(wlandevice_t *wlandev, char *mac, + p80211_rxmeta_t *rxmeta) +{ + int i; + + /* Gather wireless spy statistics: for each packet, compare the + * source address with out list, and if match, get the stats... */ + + for (i = 0; i < wlandev->spy_number; i++) { + + if (!memcmp(wlandev->spy_address[i], mac, ETH_ALEN)) { + memcpy(wlandev->spy_address[i], mac, ETH_ALEN); + wlandev->spy_stat[i].level = rxmeta->signal; + wlandev->spy_stat[i].noise = rxmeta->noise; + wlandev->spy_stat[i].qual = (rxmeta->signal > rxmeta->noise) ? \ + (rxmeta->signal - rxmeta->noise) : 0; + wlandev->spy_stat[i].updated = 0x7; + } + } +} + +/*---------------------------------------------------------------- +* p80211pb_80211_to_ether +* +* Uses the contents of a received 802.11 frame and the etherconv +* setting to build an ether frame. +* +* This function extracts the src and dest address from the 802.11 +* frame to use in the construction of the eth frame. +* +* Arguments: +* ethconv Conversion type to perform +* skb Packet buffer containing the 802.11 frame +* +* Returns: +* 0 on success, non-zero otherwise +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +int skb_p80211_to_ether( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *skb) +{ + netdevice_t *netdev = wlandev->netdev; + UINT16 fc; + UINT payload_length; + UINT payload_offset; + UINT8 daddr[WLAN_ETHADDR_LEN]; + UINT8 saddr[WLAN_ETHADDR_LEN]; + p80211_hdr_t *w_hdr; + wlan_ethhdr_t *e_hdr; + wlan_llc_t *e_llc; + wlan_snap_t *e_snap; + + int foo; + + DBFENTER; + + payload_length = skb->len - WLAN_HDR_A3_LEN - WLAN_CRC_LEN; + payload_offset = WLAN_HDR_A3_LEN; + + w_hdr = (p80211_hdr_t *) skb->data; + + /* setup some vars for convenience */ + fc = ieee2host16(w_hdr->a3.fc); + if ( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 0) ) { + memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN); + memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN); + } else if( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 1) ) { + memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN); + memcpy(saddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN); + } else if( (WLAN_GET_FC_TODS(fc) == 1) && (WLAN_GET_FC_FROMDS(fc) == 0) ) { + memcpy(daddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN); + memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN); + } else { + payload_offset = WLAN_HDR_A4_LEN; + payload_length -= ( WLAN_HDR_A4_LEN - WLAN_HDR_A3_LEN ); + if (payload_length < 0 ) { + WLAN_LOG_ERROR("A4 frame too short!\n"); + return 1; + } + memcpy(daddr, w_hdr->a4.a3, WLAN_ETHADDR_LEN); + memcpy(saddr, w_hdr->a4.a4, WLAN_ETHADDR_LEN); + } + + /* perform de-wep if necessary.. */ + if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && WLAN_GET_FC_ISWEP(fc) && (wlandev->hostwep & HOSTWEP_DECRYPT)) { + if (payload_length <= 8) { + WLAN_LOG_ERROR("WEP frame too short (%u).\n", + skb->len); + return 1; + } + if ((foo = wep_decrypt(wlandev, skb->data + payload_offset + 4, + payload_length - 8, -1, + skb->data + payload_offset, + skb->data + payload_offset + payload_length - 4))) { + /* de-wep failed, drop skb. */ + WLAN_LOG_DEBUG(1, "Host de-WEP failed, dropping frame (%d).\n", foo); + wlandev->rx.decrypt_err++; + return 2; + } + + /* subtract the IV+ICV length off the payload */ + payload_length -= 8; + /* chop off the IV */ + skb_pull(skb, 4); + /* chop off the ICV. */ + skb_trim(skb, skb->len - 4); + + wlandev->rx.decrypt++; + } + + e_hdr = (wlan_ethhdr_t *) (skb->data + payload_offset); + + e_llc = (wlan_llc_t *) (skb->data + payload_offset); + e_snap = (wlan_snap_t *) (skb->data + payload_offset + sizeof(wlan_llc_t)); + + /* Test for the various encodings */ + if ( (payload_length >= sizeof(wlan_ethhdr_t)) && + ( e_llc->dsap != 0xaa || e_llc->ssap != 0xaa ) && + ((memcmp(daddr, e_hdr->daddr, WLAN_ETHADDR_LEN) == 0) || + (memcmp(saddr, e_hdr->saddr, WLAN_ETHADDR_LEN) == 0))) { + WLAN_LOG_DEBUG(3, "802.3 ENCAP len: %d\n", payload_length); + /* 802.3 Encapsulated */ + /* Test for an overlength frame */ + if ( payload_length > (netdev->mtu + WLAN_ETHHDR_LEN)) { + /* A bogus length ethfrm has been encap'd. */ + /* Is someone trying an oflow attack? */ + WLAN_LOG_ERROR("ENCAP frame too large (%d > %d)\n", + payload_length, netdev->mtu + WLAN_ETHHDR_LEN); + return 1; + } + + /* Chop off the 802.11 header. it's already sane. */ + skb_pull(skb, payload_offset); + /* chop off the 802.11 CRC */ + skb_trim(skb, skb->len - WLAN_CRC_LEN); + + } else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) && + (e_llc->dsap == 0xaa) && + (e_llc->ssap == 0xaa) && + (e_llc->ctl == 0x03) && + (((memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)==0) && + (ethconv == WLAN_ETHCONV_8021h) && + (p80211_stt_findproto(ieee2host16(e_snap->type)))) || + (memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)!=0))) + { + WLAN_LOG_DEBUG(3, "SNAP+RFC1042 len: %d\n", payload_length); + /* it's a SNAP + RFC1042 frame && protocol is in STT */ + /* build 802.3 + RFC1042 */ + + /* Test for an overlength frame */ + if ( payload_length > netdev->mtu ) { + /* A bogus length ethfrm has been sent. */ + /* Is someone trying an oflow attack? */ + WLAN_LOG_ERROR("SNAP frame too large (%d > %d)\n", + payload_length, netdev->mtu); + return 1; + } + + /* chop 802.11 header from skb. */ + skb_pull(skb, payload_offset); + + /* create 802.3 header at beginning of skb. */ + e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN); + memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN); + memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN); + e_hdr->type = htons(payload_length); + + /* chop off the 802.11 CRC */ + skb_trim(skb, skb->len - WLAN_CRC_LEN); + + } else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) && + (e_llc->dsap == 0xaa) && + (e_llc->ssap == 0xaa) && + (e_llc->ctl == 0x03) ) { + WLAN_LOG_DEBUG(3, "802.1h/RFC1042 len: %d\n", payload_length); + /* it's an 802.1h frame || (an RFC1042 && protocol is not in STT) */ + /* build a DIXII + RFC894 */ + + /* Test for an overlength frame */ + if ((payload_length - sizeof(wlan_llc_t) - sizeof(wlan_snap_t)) + > netdev->mtu) { + /* A bogus length ethfrm has been sent. */ + /* Is someone trying an oflow attack? */ + WLAN_LOG_ERROR("DIXII frame too large (%ld > %d)\n", + (long int) (payload_length - sizeof(wlan_llc_t) - + sizeof(wlan_snap_t)), + netdev->mtu); + return 1; + } + + /* chop 802.11 header from skb. */ + skb_pull(skb, payload_offset); + + /* chop llc header from skb. */ + skb_pull(skb, sizeof(wlan_llc_t)); + + /* chop snap header from skb. */ + skb_pull(skb, sizeof(wlan_snap_t)); + + /* create 802.3 header at beginning of skb. */ + e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN); + e_hdr->type = e_snap->type; + memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN); + memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN); + + /* chop off the 802.11 CRC */ + skb_trim(skb, skb->len - WLAN_CRC_LEN); + } else { + WLAN_LOG_DEBUG(3, "NON-ENCAP len: %d\n", payload_length); + /* any NON-ENCAP */ + /* it's a generic 80211+LLC or IPX 'Raw 802.3' */ + /* build an 802.3 frame */ + /* allocate space and setup hostbuf */ + + /* Test for an overlength frame */ + if ( payload_length > netdev->mtu ) { + /* A bogus length ethfrm has been sent. */ + /* Is someone trying an oflow attack? */ + WLAN_LOG_ERROR("OTHER frame too large (%d > %d)\n", + payload_length, + netdev->mtu); + return 1; + } + + /* Chop off the 802.11 header. */ + skb_pull(skb, payload_offset); + + /* create 802.3 header at beginning of skb. */ + e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN); + memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN); + memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN); + e_hdr->type = htons(payload_length); + + /* chop off the 802.11 CRC */ + skb_trim(skb, skb->len - WLAN_CRC_LEN); + + } + + skb->protocol = eth_type_trans(skb, netdev); + skb_reset_mac_header(skb); + + /* jkriegl: process signal and noise as set in hfa384x_int_rx() */ + /* jkriegl: only process signal/noise if requested by iwspy */ + if (wlandev->spy_number) + orinoco_spy_gather(wlandev, eth_hdr(skb)->h_source, P80211SKB_RXMETA(skb)); + + /* Free the metadata */ + p80211skb_rxmeta_detach(skb); + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* p80211_stt_findproto +* +* Searches the 802.1h Selective Translation Table for a given +* protocol. +* +* Arguments: +* proto protocl number (in host order) to search for. +* +* Returns: +* 1 - if the table is empty or a match is found. +* 0 - if the table is non-empty and a match is not found. +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +int p80211_stt_findproto(UINT16 proto) +{ + /* Always return found for now. This is the behavior used by the */ + /* Zoom Win95 driver when 802.1h mode is selected */ + /* TODO: If necessary, add an actual search we'll probably + need this to match the CMAC's way of doing things. + Need to do some testing to confirm. + */ + + if (proto == 0x80f3) /* APPLETALK */ + return 1; + + return 0; +} + +/*---------------------------------------------------------------- +* p80211skb_rxmeta_detach +* +* Disconnects the frmmeta and rxmeta from an skb. +* +* Arguments: +* wlandev The wlandev this skb belongs to. +* skb The skb we're attaching to. +* +* Returns: +* 0 on success, non-zero otherwise +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +void +p80211skb_rxmeta_detach(struct sk_buff *skb) +{ + p80211_rxmeta_t *rxmeta; + p80211_frmmeta_t *frmmeta; + + DBFENTER; + /* Sanity checks */ + if ( skb==NULL ) { /* bad skb */ + WLAN_LOG_DEBUG(1, "Called w/ null skb.\n"); + goto exit; + } + frmmeta = P80211SKB_FRMMETA(skb); + if ( frmmeta == NULL ) { /* no magic */ + WLAN_LOG_DEBUG(1, "Called w/ bad frmmeta magic.\n"); + goto exit; + } + rxmeta = frmmeta->rx; + if ( rxmeta == NULL ) { /* bad meta ptr */ + WLAN_LOG_DEBUG(1, "Called w/ bad rxmeta ptr.\n"); + goto exit; + } + + /* Free rxmeta */ + kfree(rxmeta); + + /* Clear skb->cb */ + memset(skb->cb, 0, sizeof(skb->cb)); +exit: + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* p80211skb_rxmeta_attach +* +* Allocates a p80211rxmeta structure, initializes it, and attaches +* it to an skb. +* +* Arguments: +* wlandev The wlandev this skb belongs to. +* skb The skb we're attaching to. +* +* Returns: +* 0 on success, non-zero otherwise +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +int +p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb) +{ + int result = 0; + p80211_rxmeta_t *rxmeta; + p80211_frmmeta_t *frmmeta; + + DBFENTER; + + /* If these already have metadata, we error out! */ + if (P80211SKB_RXMETA(skb) != NULL) { + WLAN_LOG_ERROR("%s: RXmeta already attached!\n", + wlandev->name); + result = 0; + goto exit; + } + + /* Allocate the rxmeta */ + rxmeta = kmalloc(sizeof(p80211_rxmeta_t), GFP_ATOMIC); + + if ( rxmeta == NULL ) { + WLAN_LOG_ERROR("%s: Failed to allocate rxmeta.\n", + wlandev->name); + result = 1; + goto exit; + } + + /* Initialize the rxmeta */ + memset(rxmeta, 0, sizeof(p80211_rxmeta_t)); + rxmeta->wlandev = wlandev; + rxmeta->hosttime = jiffies; + + /* Overlay a frmmeta_t onto skb->cb */ + memset(skb->cb, 0, sizeof(p80211_frmmeta_t)); + frmmeta = (p80211_frmmeta_t*)(skb->cb); + frmmeta->magic = P80211_FRMMETA_MAGIC; + frmmeta->rx = rxmeta; +exit: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* p80211skb_free +* +* Frees an entire p80211skb by checking and freeing the meta struct +* and then freeing the skb. +* +* Arguments: +* wlandev The wlandev this skb belongs to. +* skb The skb we're attaching to. +* +* Returns: +* 0 on success, non-zero otherwise +* +* Call context: +* May be called in interrupt or non-interrupt context +----------------------------------------------------------------*/ +void +p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb) +{ + p80211_frmmeta_t *meta; + DBFENTER; + meta = P80211SKB_FRMMETA(skb); + if ( meta && meta->rx) { + p80211skb_rxmeta_detach(skb); + } else { + WLAN_LOG_ERROR("Freeing an skb (%p) w/ no frmmeta.\n", skb); + } + + dev_kfree_skb(skb); + DBFEXIT; + return; +} diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h new file mode 100644 index 000000000000..3f5ab57cd9a8 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211conv.h @@ -0,0 +1,186 @@ +/* p80211conv.h +* +* Ether/802.11 conversions and packet buffer routines +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares the functions, types and macros that perform +* Ethernet to/from 802.11 frame conversions. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _LINUX_P80211CONV_H +#define _LINUX_P80211CONV_H + +/*================================================================*/ +/* Constants */ + +#define WLAN_ETHADDR_LEN 6 +#define WLAN_IEEE_OUI_LEN 3 + +#define WLAN_ETHCONV_ENCAP 1 +#define WLAN_ETHCONV_RFC1042 2 +#define WLAN_ETHCONV_8021h 3 + +#define WLAN_MIN_ETHFRM_LEN 60 +#define WLAN_MAX_ETHFRM_LEN 1514 +#define WLAN_ETHHDR_LEN 14 + +#define P80211CAPTURE_VERSION 0x80211001 + +/*================================================================*/ +/* Macros */ + +#define P80211_FRMMETA_MAGIC 0x802110 + +#define P80211SKB_FRMMETA(s) \ + (((((p80211_frmmeta_t*)((s)->cb))->magic)==P80211_FRMMETA_MAGIC) ? \ + ((p80211_frmmeta_t*)((s)->cb)) : \ + (NULL)) + +#define P80211SKB_RXMETA(s) \ + (P80211SKB_FRMMETA((s)) ? P80211SKB_FRMMETA((s))->rx : ((p80211_rxmeta_t*)(NULL))) + +typedef struct p80211_rxmeta +{ + struct wlandevice *wlandev; + + UINT64 mactime; /* Hi-rez MAC-supplied time value */ + UINT64 hosttime; /* Best-rez host supplied time value */ + + UINT rxrate; /* Receive data rate in 100kbps */ + UINT priority; /* 0-15, 0=contention, 6=CF */ + INT signal; /* An SSI, see p80211netdev.h */ + INT noise; /* An SSI, see p80211netdev.h */ + UINT channel; /* Receive channel (mostly for snifs) */ + UINT preamble; /* P80211ENUM_preambletype_* */ + UINT encoding; /* P80211ENUM_encoding_* */ + +} p80211_rxmeta_t; + +typedef struct p80211_frmmeta +{ + UINT magic; + p80211_rxmeta_t *rx; +} p80211_frmmeta_t; + +void p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb); +int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb); +void p80211skb_rxmeta_detach(struct sk_buff *skb); + +/*================================================================*/ +/* Types */ + +/* + * Frame capture header. (See doc/capturefrm.txt) + */ +typedef struct p80211_caphdr +{ + UINT32 version; + UINT32 length; + UINT64 mactime; + UINT64 hosttime; + UINT32 phytype; + UINT32 channel; + UINT32 datarate; + UINT32 antenna; + UINT32 priority; + UINT32 ssi_type; + INT32 ssi_signal; + INT32 ssi_noise; + UINT32 preamble; + UINT32 encoding; +} p80211_caphdr_t; + +/* buffer free method pointer type */ +typedef void (* freebuf_method_t)(void *buf, int size); + +typedef struct p80211_metawep { + void *data; + UINT8 iv[4]; + UINT8 icv[4]; +} p80211_metawep_t; + +/* local ether header type */ +typedef struct wlan_ethhdr +{ + UINT8 daddr[WLAN_ETHADDR_LEN]; + UINT8 saddr[WLAN_ETHADDR_LEN]; + UINT16 type; +} __WLAN_ATTRIB_PACK__ wlan_ethhdr_t; + +/* local llc header type */ +typedef struct wlan_llc +{ + UINT8 dsap; + UINT8 ssap; + UINT8 ctl; +} __WLAN_ATTRIB_PACK__ wlan_llc_t; + +/* local snap header type */ +typedef struct wlan_snap +{ + UINT8 oui[WLAN_IEEE_OUI_LEN]; + UINT16 type; +} __WLAN_ATTRIB_PACK__ wlan_snap_t; + +/* Circular include trick */ +struct wlandevice; + +/*================================================================*/ +/* Externs */ + +/*================================================================*/ +/*Function Declarations */ + +int skb_p80211_to_ether( struct wlandevice *wlandev, UINT32 ethconv, + struct sk_buff *skb); +int skb_ether_to_p80211( struct wlandevice *wlandev, UINT32 ethconv, + struct sk_buff *skb, p80211_hdr_t *p80211_hdr, + p80211_metawep_t *p80211_wep ); + +int p80211_stt_findproto(UINT16 proto); +int p80211_stt_addproto(UINT16 proto); + +#endif diff --git a/drivers/staging/wlan-ng/p80211hdr.h b/drivers/staging/wlan-ng/p80211hdr.h new file mode 100644 index 000000000000..b7b0872fd861 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211hdr.h @@ -0,0 +1,299 @@ +/* p80211hdr.h +* +* Macros, types, and functions for handling 802.11 MAC headers +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares the constants and types used in the interface +* between a wlan driver and the user mode utilities. +* +* Note: +* - Constant values are always in HOST byte order. To assign +* values to multi-byte fields they _must_ be converted to +* ieee byte order. To retrieve multi-byte values from incoming +* frames, they must be converted to host order. +* +* All functions declared here are implemented in p80211.c +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211HDR_H +#define _P80211HDR_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + + +/*================================================================*/ +/* Constants */ + +/*--- Sizes -----------------------------------------------*/ +#define WLAN_ADDR_LEN 6 +#define WLAN_CRC_LEN 4 +#define WLAN_BSSID_LEN 6 +#define WLAN_BSS_TS_LEN 8 +#define WLAN_HDR_A3_LEN 24 +#define WLAN_HDR_A4_LEN 30 +#define WLAN_SSID_MAXLEN 32 +#define WLAN_DATA_MAXLEN 2312 +#define WLAN_A3FR_MAXLEN (WLAN_HDR_A3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) +#define WLAN_A4FR_MAXLEN (WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) +#define WLAN_BEACON_FR_MAXLEN (WLAN_HDR_A3_LEN + 334) +#define WLAN_ATIM_FR_MAXLEN (WLAN_HDR_A3_LEN + 0) +#define WLAN_DISASSOC_FR_MAXLEN (WLAN_HDR_A3_LEN + 2) +#define WLAN_ASSOCREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 48) +#define WLAN_ASSOCRESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 16) +#define WLAN_REASSOCREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 54) +#define WLAN_REASSOCRESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 16) +#define WLAN_PROBEREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 44) +#define WLAN_PROBERESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 78) +#define WLAN_AUTHEN_FR_MAXLEN (WLAN_HDR_A3_LEN + 261) +#define WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_A3_LEN + 2) +#define WLAN_WEP_NKEYS 4 +#define WLAN_WEP_MAXKEYLEN 13 +#define WLAN_CHALLENGE_IE_LEN 130 +#define WLAN_CHALLENGE_LEN 128 +#define WLAN_WEP_IV_LEN 4 +#define WLAN_WEP_ICV_LEN 4 + +/*--- Frame Control Field -------------------------------------*/ +/* Frame Types */ +#define WLAN_FTYPE_MGMT 0x00 +#define WLAN_FTYPE_CTL 0x01 +#define WLAN_FTYPE_DATA 0x02 + +/* Frame subtypes */ +/* Management */ +#define WLAN_FSTYPE_ASSOCREQ 0x00 +#define WLAN_FSTYPE_ASSOCRESP 0x01 +#define WLAN_FSTYPE_REASSOCREQ 0x02 +#define WLAN_FSTYPE_REASSOCRESP 0x03 +#define WLAN_FSTYPE_PROBEREQ 0x04 +#define WLAN_FSTYPE_PROBERESP 0x05 +#define WLAN_FSTYPE_BEACON 0x08 +#define WLAN_FSTYPE_ATIM 0x09 +#define WLAN_FSTYPE_DISASSOC 0x0a +#define WLAN_FSTYPE_AUTHEN 0x0b +#define WLAN_FSTYPE_DEAUTHEN 0x0c + +/* Control */ +#define WLAN_FSTYPE_BLOCKACKREQ 0x8 +#define WLAN_FSTYPE_BLOCKACK 0x9 +#define WLAN_FSTYPE_PSPOLL 0x0a +#define WLAN_FSTYPE_RTS 0x0b +#define WLAN_FSTYPE_CTS 0x0c +#define WLAN_FSTYPE_ACK 0x0d +#define WLAN_FSTYPE_CFEND 0x0e +#define WLAN_FSTYPE_CFENDCFACK 0x0f + +/* Data */ +#define WLAN_FSTYPE_DATAONLY 0x00 +#define WLAN_FSTYPE_DATA_CFACK 0x01 +#define WLAN_FSTYPE_DATA_CFPOLL 0x02 +#define WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03 +#define WLAN_FSTYPE_NULL 0x04 +#define WLAN_FSTYPE_CFACK 0x05 +#define WLAN_FSTYPE_CFPOLL 0x06 +#define WLAN_FSTYPE_CFACK_CFPOLL 0x07 + + +/*================================================================*/ +/* Macros */ + +/*--- FC Macros ----------------------------------------------*/ +/* Macros to get/set the bitfields of the Frame Control Field */ +/* GET_FC_??? - takes the host byte-order value of an FC */ +/* and retrieves the value of one of the */ +/* bitfields and moves that value so its lsb is */ +/* in bit 0. */ +/* SET_FC_??? - takes a host order value for one of the FC */ +/* bitfields and moves it to the proper bit */ +/* location for ORing into a host order FC. */ +/* To send the FC produced from SET_FC_???, */ +/* one must put the bytes in IEEE order. */ +/* e.g. */ +/* printf("the frame subtype is %x", */ +/* GET_FC_FTYPE( ieee2host( rx.fc ))) */ +/* */ +/* tx.fc = host2ieee( SET_FC_FTYPE(WLAN_FTYP_CTL) | */ +/* SET_FC_FSTYPE(WLAN_FSTYPE_RTS) ); */ +/*------------------------------------------------------------*/ + +#define WLAN_GET_FC_PVER(n) (((UINT16)(n)) & (BIT0 | BIT1)) +#define WLAN_GET_FC_FTYPE(n) ((((UINT16)(n)) & (BIT2 | BIT3)) >> 2) +#define WLAN_GET_FC_FSTYPE(n) ((((UINT16)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4) +#define WLAN_GET_FC_TODS(n) ((((UINT16)(n)) & (BIT8)) >> 8) +#define WLAN_GET_FC_FROMDS(n) ((((UINT16)(n)) & (BIT9)) >> 9) +#define WLAN_GET_FC_MOREFRAG(n) ((((UINT16)(n)) & (BIT10)) >> 10) +#define WLAN_GET_FC_RETRY(n) ((((UINT16)(n)) & (BIT11)) >> 11) +#define WLAN_GET_FC_PWRMGT(n) ((((UINT16)(n)) & (BIT12)) >> 12) +#define WLAN_GET_FC_MOREDATA(n) ((((UINT16)(n)) & (BIT13)) >> 13) +#define WLAN_GET_FC_ISWEP(n) ((((UINT16)(n)) & (BIT14)) >> 14) +#define WLAN_GET_FC_ORDER(n) ((((UINT16)(n)) & (BIT15)) >> 15) + +#define WLAN_SET_FC_PVER(n) ((UINT16)(n)) +#define WLAN_SET_FC_FTYPE(n) (((UINT16)(n)) << 2) +#define WLAN_SET_FC_FSTYPE(n) (((UINT16)(n)) << 4) +#define WLAN_SET_FC_TODS(n) (((UINT16)(n)) << 8) +#define WLAN_SET_FC_FROMDS(n) (((UINT16)(n)) << 9) +#define WLAN_SET_FC_MOREFRAG(n) (((UINT16)(n)) << 10) +#define WLAN_SET_FC_RETRY(n) (((UINT16)(n)) << 11) +#define WLAN_SET_FC_PWRMGT(n) (((UINT16)(n)) << 12) +#define WLAN_SET_FC_MOREDATA(n) (((UINT16)(n)) << 13) +#define WLAN_SET_FC_ISWEP(n) (((UINT16)(n)) << 14) +#define WLAN_SET_FC_ORDER(n) (((UINT16)(n)) << 15) + +/*--- Duration Macros ----------------------------------------*/ +/* Macros to get/set the bitfields of the Duration Field */ +/* - the duration value is only valid when bit15 is zero */ +/* - the firmware handles these values, so I'm not going */ +/* these macros right now. */ +/*------------------------------------------------------------*/ + +/*--- Sequence Control Macros -------------------------------*/ +/* Macros to get/set the bitfields of the Sequence Control */ +/* Field. */ +/*------------------------------------------------------------*/ +#define WLAN_GET_SEQ_FRGNUM(n) (((UINT16)(n)) & (BIT0|BIT1|BIT2|BIT3)) +#define WLAN_GET_SEQ_SEQNUM(n) ((((UINT16)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4) + +/*--- Data ptr macro -----------------------------------------*/ +/* Creates a UINT8* to the data portion of a frame */ +/* Assumes you're passing in a ptr to the beginning of the hdr*/ +/*------------------------------------------------------------*/ +#define WLAN_HDR_A3_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A3_LEN) +#define WLAN_HDR_A4_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A4_LEN) + +#define DOT11_RATE5_ISBASIC_GET(r) (((UINT8)(r)) & BIT7) + +/*================================================================*/ +/* Types */ + +/* BSS Timestamp */ +typedef UINT8 wlan_bss_ts_t[WLAN_BSS_TS_LEN]; + +/* Generic 802.11 Header types */ + +typedef struct p80211_hdr_a3 +{ + UINT16 fc; + UINT16 dur; + UINT8 a1[WLAN_ADDR_LEN]; + UINT8 a2[WLAN_ADDR_LEN]; + UINT8 a3[WLAN_ADDR_LEN]; + UINT16 seq; +} __WLAN_ATTRIB_PACK__ p80211_hdr_a3_t; + +typedef struct p80211_hdr_a4 +{ + UINT16 fc; + UINT16 dur; + UINT8 a1[WLAN_ADDR_LEN]; + UINT8 a2[WLAN_ADDR_LEN]; + UINT8 a3[WLAN_ADDR_LEN]; + UINT16 seq; + UINT8 a4[WLAN_ADDR_LEN]; +} __WLAN_ATTRIB_PACK__ p80211_hdr_a4_t; + +typedef union p80211_hdr +{ + p80211_hdr_a3_t a3; + p80211_hdr_a4_t a4; +} __WLAN_ATTRIB_PACK__ p80211_hdr_t; + + +/*================================================================*/ +/* Extern Declarations */ + + +/*================================================================*/ +/* Function Declarations */ + +/* Frame and header lenght macros */ + +#define WLAN_CTL_FRAMELEN(fstype) (\ + (fstype) == WLAN_FSTYPE_BLOCKACKREQ ? 24 : \ + (fstype) == WLAN_FSTYPE_BLOCKACK ? 152 : \ + (fstype) == WLAN_FSTYPE_PSPOLL ? 20 : \ + (fstype) == WLAN_FSTYPE_RTS ? 20 : \ + (fstype) == WLAN_FSTYPE_CTS ? 14 : \ + (fstype) == WLAN_FSTYPE_ACK ? 14 : \ + (fstype) == WLAN_FSTYPE_CFEND ? 20 : \ + (fstype) == WLAN_FSTYPE_CFENDCFACK ? 20 : 4) + +#define WLAN_FCS_LEN 4 + +/* ftcl in HOST order */ +inline static UINT16 p80211_headerlen(UINT16 fctl) +{ + UINT16 hdrlen = 0; + + switch ( WLAN_GET_FC_FTYPE(fctl) ) { + case WLAN_FTYPE_MGMT: + hdrlen = WLAN_HDR_A3_LEN; + break; + case WLAN_FTYPE_DATA: + hdrlen = WLAN_HDR_A3_LEN; + if ( WLAN_GET_FC_TODS(fctl) && WLAN_GET_FC_FROMDS(fctl) ) { + hdrlen += WLAN_ADDR_LEN; + } + break; + case WLAN_FTYPE_CTL: + hdrlen = WLAN_CTL_FRAMELEN(WLAN_GET_FC_FSTYPE(fctl)) - + WLAN_FCS_LEN; + break; + default: + hdrlen = WLAN_HDR_A3_LEN; + } + + return hdrlen; +} + +#endif /* _P80211HDR_H */ diff --git a/drivers/staging/wlan-ng/p80211ioctl.h b/drivers/staging/wlan-ng/p80211ioctl.h new file mode 100644 index 000000000000..25b2ea836227 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211ioctl.h @@ -0,0 +1,123 @@ +/* p80211ioctl.h +* +* Declares constants and types for the p80211 ioctls +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* While this file is called 'ioctl' is purpose goes a little beyond +* that. This file defines the types and contants used to implement +* the p80211 request/confirm/indicate interfaces on Linux. The +* request/confirm interface is, in fact, normally implemented as an +* ioctl. The indicate interface on the other hand, is implemented +* using the Linux 'netlink' interface. +* +* The reason I say that request/confirm is 'normally' implemented +* via ioctl is that we're reserving the right to be able to send +* request commands via the netlink interface. This will be necessary +* if we ever need to send request messages when there aren't any +* wlan network devices present (i.e. sending a message that only p80211 +* cares about. +* -------------------------------------------------------------------- +*/ + + +#ifndef _P80211IOCTL_H +#define _P80211IOCTL_H + +/*================================================================*/ +/* Constants */ + +/*----------------------------------------------------------------*/ +/* p80211 ioctl "request" codes. See argument 2 of ioctl(2). */ + +#define P80211_IFTEST (SIOCDEVPRIVATE + 0) +#define P80211_IFREQ (SIOCDEVPRIVATE + 1) + +/*----------------------------------------------------------------*/ +/* Magic number, a quick test to see we're getting the desired struct */ + +#define P80211_IOCTL_MAGIC (0x4a2d464dUL) + +/*----------------------------------------------------------------*/ +/* Netlink protocol numbers for the indication interface */ + +#define P80211_NL_SOCK_IND NETLINK_USERSOCK + +/*----------------------------------------------------------------*/ +/* Netlink multicast bits for different types of messages */ + +#define P80211_NL_MCAST_GRP_MLME BIT0 /* Local station messages */ +#define P80211_NL_MCAST_GRP_SNIFF BIT1 /* Sniffer messages */ +#define P80211_NL_MCAST_GRP_DIST BIT2 /* Distribution system messages */ + +/*================================================================*/ +/* Macros */ + + +/*================================================================*/ +/* Types */ + +/*----------------------------------------------------------------*/ +/* A ptr to the following structure type is passed as the third */ +/* argument to the ioctl system call when issuing a request to */ +/* the p80211 module. */ + +typedef struct p80211ioctl_req +{ + char name[WLAN_DEVNAMELEN_MAX]; + caddr_t data; + UINT32 magic; + UINT16 len; + UINT32 result; +} __WLAN_ATTRIB_PACK__ p80211ioctl_req_t; + + +/*================================================================*/ +/* Extern Declarations */ + + +/*================================================================*/ +/* Function Declarations */ + + +#endif /* _P80211IOCTL_H */ diff --git a/drivers/staging/wlan-ng/p80211meta.h b/drivers/staging/wlan-ng/p80211meta.h new file mode 100644 index 000000000000..5cb3f5ada4f5 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211meta.h @@ -0,0 +1,169 @@ +/* p80211meta.h +* +* Macros, constants, types, and funcs for p80211 metadata +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares some of the constants and types used in various +* parts of the linux-wlan system. +* +* Notes: +* - Constant values are always in HOST byte order. +* +* All functions and statics declared here are implemented in p80211types.c +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211META_H +#define _P80211META_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +/*================================================================*/ +/* Constants */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Macros */ + +/*----------------------------------------------------------------*/ +/* The following macros are used to ensure consistent naming */ +/* conventions for all the different metadata lists. */ + +#define MKREQMETANAME(name) p80211meta_ ## req ## _ ## name +#define MKINDMETANAME(name) p80211meta_ ## ind ## _ ## name +#define MKMIBMETANAME(name) p80211meta_ ## mib ## _ ## name +#define MKGRPMETANAME(name) p80211meta_ ## grp ## _ ## name + +#define MKREQMETASIZE(name) p80211meta_ ## req ## _ ## name ## _ ## size +#define MKINDMETASIZE(name) p80211meta_ ## ind ## _ ## name ## _ ## size +#define MKMIBMETASIZE(name) p80211meta_ ## mib ## _ ## name ## _ ## size +#define MKGRPMETASIZE(name) p80211meta_ ## grp ## _ ## name ## _ ## size + +#define GETMETASIZE(aptr) (**((UINT32**)(aptr))) + +/*----------------------------------------------------------------*/ +/* The following ifdef depends on the following defines: */ +/* P80211_NOINCLUDESTRINGS - if defined, all metadata name fields */ +/* are empty strings */ + +#ifdef P80211_NOINCLUDESTRINGS + #define MKITEMNAME(s) ("") +#else + #define MKITEMNAME(s) (s) +#endif + +/*================================================================*/ +/* Types */ + +/*----------------------------------------------------------------*/ +/* The following structure types are used for the metadata */ +/* representation of category list metadata, group list metadata, */ +/* and data item metadata for both Mib and Messages. */ + +typedef struct p80211meta +{ + char *name; /* data item name */ + UINT32 did; /* partial did */ + UINT32 flags; /* set of various flag bits */ + UINT32 min; /* min value of a BOUNDEDINT */ + UINT32 max; /* max value of a BOUNDEDINT */ + + UINT32 maxlen; /* maxlen of a OCTETSTR or DISPLAYSTR */ + UINT32 minlen; /* minlen of a OCTETSTR or DISPLAYSTR */ + p80211enum_t *enumptr; /* ptr to the enum type for ENUMINT */ + p80211_totext_t totextptr; /* ptr to totext conversion function */ + p80211_fromtext_t fromtextptr; /* ptr to totext conversion function */ + p80211_valid_t validfunptr; /* ptr to totext conversion function */ +} p80211meta_t; + +typedef struct grplistitem +{ + char *name; + p80211meta_t *itemlist; +} grplistitem_t; + +typedef struct catlistitem +{ + char *name; + grplistitem_t *grplist; +} catlistitem_t; + +/*================================================================*/ +/* Extern Declarations */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Function Declarations */ + +/*----------------------------------------------------------------*/ +/* */ +UINT32 p80211_text2did(catlistitem_t *catlist, char *catname, char *grpname, char *itemname); +UINT32 p80211_text2catdid(catlistitem_t *list, char *name ); +UINT32 p80211_text2grpdid(grplistitem_t *list, char *name ); +UINT32 p80211_text2itemdid(p80211meta_t *list, char *name ); +UINT32 p80211_isvalid_did( catlistitem_t *catlist, UINT32 did ); +UINT32 p80211_isvalid_catdid( catlistitem_t *catlist, UINT32 did ); +UINT32 p80211_isvalid_grpdid( catlistitem_t *catlist, UINT32 did ); +UINT32 p80211_isvalid_itemdid( catlistitem_t *catlist, UINT32 did ); +catlistitem_t *p80211_did2cat( catlistitem_t *catlist, UINT32 did ); +grplistitem_t *p80211_did2grp( catlistitem_t *catlist, UINT32 did ); +p80211meta_t *p80211_did2item( catlistitem_t *catlist, UINT32 did ); +UINT32 p80211item_maxdatalen( struct catlistitem *metalist, UINT32 did ); +UINT32 p80211_metaname2did(struct catlistitem *metalist, char *itemname); +UINT32 p80211item_getoffset( struct catlistitem *metalist, UINT32 did ); +int p80211item_gettype(p80211meta_t *meta); + +#endif /* _P80211META_H */ diff --git a/drivers/staging/wlan-ng/p80211metadef.h b/drivers/staging/wlan-ng/p80211metadef.h new file mode 100644 index 000000000000..2c7f435a97e0 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211metadef.h @@ -0,0 +1,2524 @@ +/* This file is GENERATED AUTOMATICALLY. DO NOT EDIT OR MODIFY. +* -------------------------------------------------------------------- +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211MKMETADEF_H +#define _P80211MKMETADEF_H + + +#define DIDmsg_cat_dot11req \ + P80211DID_MKSECTION(1) +#define DIDmsg_dot11req_mibget \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(1)) +#define DIDmsg_dot11req_mibget_mibattribute \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_mibget_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_mibset \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2)) +#define DIDmsg_dot11req_mibset_mibattribute \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_mibset_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_powermgmt \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3)) +#define DIDmsg_dot11req_powermgmt_powermgmtmode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_powermgmt_wakeup \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_powermgmt_receivedtims \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_powermgmt_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_scan \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4)) +#define DIDmsg_dot11req_scan_bsstype \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_scan_bssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_scan_ssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_scan_scantype \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_scan_probedelay \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_scan_channellist \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_scan_minchanneltime \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_scan_maxchanneltime \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_dot11req_scan_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_dot11req_scan_numbss \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_dot11req_scan_append \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(11) | 0x00000000) +#define DIDmsg_dot11req_scan_results \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5)) +#define DIDmsg_dot11req_scan_results_bssindex \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_scan_results_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_scan_results_signal \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_scan_results_noise \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_scan_results_bssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_scan_results_ssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_scan_results_bsstype \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_scan_results_beaconperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_dot11req_scan_results_dtimperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_dot11req_scan_results_timestamp \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_dot11req_scan_results_localtime \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(11) | 0x00000000) +#define DIDmsg_dot11req_scan_results_fhdwelltime \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(12) | 0x00000000) +#define DIDmsg_dot11req_scan_results_fhhopset \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(13) | 0x00000000) +#define DIDmsg_dot11req_scan_results_fhhoppattern \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(14) | 0x00000000) +#define DIDmsg_dot11req_scan_results_fhhopindex \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(15) | 0x00000000) +#define DIDmsg_dot11req_scan_results_dschannel \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(16) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpcount \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(17) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(18) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpmaxduration \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(19) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpdurremaining \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(20) | 0x00000000) +#define DIDmsg_dot11req_scan_results_ibssatimwindow \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(21) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpollable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(22) | 0x00000000) +#define DIDmsg_dot11req_scan_results_cfpollreq \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(23) | 0x00000000) +#define DIDmsg_dot11req_scan_results_privacy \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(24) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(25) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(26) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(27) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(28) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(29) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(30) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(31) | 0x00000000) +#define DIDmsg_dot11req_scan_results_basicrate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(32) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(33) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(34) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(35) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(36) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(37) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(38) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(39) | 0x00000000) +#define DIDmsg_dot11req_scan_results_supprate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(40) | 0x00000000) +#define DIDmsg_dot11req_join \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6)) +#define DIDmsg_dot11req_join_bssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_join_joinfailuretimeout \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_dot11req_join_basicrate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(11) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(12) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(13) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(14) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(15) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(16) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(17) | 0x00000000) +#define DIDmsg_dot11req_join_operationalrate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(18) | 0x00000000) +#define DIDmsg_dot11req_join_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(19) | 0x00000000) +#define DIDmsg_dot11req_authenticate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(7)) +#define DIDmsg_dot11req_authenticate_peerstaaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_authenticate_authenticationtype \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_authenticate_authenticationfailuretimeout \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_authenticate_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_deauthenticate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(8)) +#define DIDmsg_dot11req_deauthenticate_peerstaaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_deauthenticate_reasoncode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_deauthenticate_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_associate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9)) +#define DIDmsg_dot11req_associate_peerstaaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_associate_associatefailuretimeout \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_associate_cfpollable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_associate_cfpollreq \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_associate_privacy \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_associate_listeninterval \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_associate_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_reassociate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10)) +#define DIDmsg_dot11req_reassociate_newapaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_reassociate_reassociatefailuretimeout \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_reassociate_cfpollable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_reassociate_cfpollreq \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_reassociate_privacy \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_reassociate_listeninterval \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_reassociate_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_disassociate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(11)) +#define DIDmsg_dot11req_disassociate_peerstaaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_disassociate_reasoncode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_disassociate_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_reset \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(12)) +#define DIDmsg_dot11req_reset_setdefaultmib \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_reset_macaddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_reset_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_start \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13)) +#define DIDmsg_dot11req_start_ssid \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11req_start_bsstype \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11req_start_beaconperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11req_start_dtimperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_dot11req_start_cfpperiod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_dot11req_start_cfpmaxduration \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_dot11req_start_fhdwelltime \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_dot11req_start_fhhopset \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_dot11req_start_fhhoppattern \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_dot11req_start_dschannel \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_dot11req_start_ibssatimwindow \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(11) | 0x00000000) +#define DIDmsg_dot11req_start_probedelay \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(12) | 0x00000000) +#define DIDmsg_dot11req_start_cfpollable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(13) | 0x00000000) +#define DIDmsg_dot11req_start_cfpollreq \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(14) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(15) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(16) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(17) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(18) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(19) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(20) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(21) | 0x00000000) +#define DIDmsg_dot11req_start_basicrate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(22) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(23) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(24) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(25) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(26) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(27) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(28) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate7 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(29) | 0x00000000) +#define DIDmsg_dot11req_start_operationalrate8 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(30) | 0x00000000) +#define DIDmsg_dot11req_start_resultcode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(31) | 0x00000000) +#define DIDmsg_cat_dot11ind \ + P80211DID_MKSECTION(2) +#define DIDmsg_dot11ind_authenticate \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1)) +#define DIDmsg_dot11ind_authenticate_peerstaaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11ind_authenticate_authenticationtype \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11ind_deauthenticate \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2)) +#define DIDmsg_dot11ind_deauthenticate_peerstaaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11ind_deauthenticate_reasoncode \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11ind_associate \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3)) +#define DIDmsg_dot11ind_associate_peerstaaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11ind_associate_aid \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11ind_reassociate \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(4)) +#define DIDmsg_dot11ind_reassociate_peerstaaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11ind_reassociate_aid \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_dot11ind_reassociate_oldapaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_dot11ind_disassociate \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(5)) +#define DIDmsg_dot11ind_disassociate_peerstaaddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_dot11ind_disassociate_reasoncode \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_cat_lnxreq \ + P80211DID_MKSECTION(3) +#define DIDmsg_lnxreq_ifstate \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1)) +#define DIDmsg_lnxreq_ifstate_ifstate \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxreq_ifstate_resultcode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2)) +#define DIDmsg_lnxreq_wlansniff_enable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_channel \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_prismheader \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_wlanheader \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_keepwepflags \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_stripfcs \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_packet_trunc \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_lnxreq_wlansniff_resultcode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_lnxreq_hostwep \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3)) +#define DIDmsg_lnxreq_hostwep_resultcode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxreq_hostwep_decrypt \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxreq_hostwep_encrypt \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_lnxreq_commsquality \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4)) +#define DIDmsg_lnxreq_commsquality_resultcode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxreq_commsquality_dbm \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxreq_commsquality_link \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_lnxreq_commsquality_level \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_lnxreq_commsquality_noise \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_lnxreq_autojoin \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5)) +#define DIDmsg_lnxreq_autojoin_ssid \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxreq_autojoin_authtype \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxreq_autojoin_resultcode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_cat_lnxind \ + P80211DID_MKSECTION(4) +#define DIDmsg_lnxind_wlansniffrm \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1)) +#define DIDmsg_lnxind_wlansniffrm_hosttime \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_mactime \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_channel \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_rssi \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_sq \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_signal \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_noise \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_rate \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_istx \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_lnxind_wlansniffrm_frmlen \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_lnxind_roam \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(2)) +#define DIDmsg_lnxind_roam_reason \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_cat_p2req \ + P80211DID_MKSECTION(5) +#define DIDmsg_p2req_join \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1)) +#define DIDmsg_p2req_join_bssid \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_join_basicrate1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_join_basicrate2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_join_basicrate3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_join_basicrate4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_p2req_join_basicrate5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_p2req_join_basicrate6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_p2req_join_basicrate7 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_p2req_join_basicrate8 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(9) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(10) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(11) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(12) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(13) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(14) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(15) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate7 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(16) | 0x00000000) +#define DIDmsg_p2req_join_operationalrate8 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(17) | 0x00000000) +#define DIDmsg_p2req_join_ssid \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(18) | 0x00000000) +#define DIDmsg_p2req_join_channel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(19) | 0x00000000) +#define DIDmsg_p2req_join_authtype \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(20) | 0x00000000) +#define DIDmsg_p2req_join_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(21) | 0x00000000) +#define DIDmsg_p2req_readpda \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2)) +#define DIDmsg_p2req_readpda_pda \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_readpda_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_readcis \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3)) +#define DIDmsg_p2req_readcis_cis \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_readcis_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_auxport_state \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(4)) +#define DIDmsg_p2req_auxport_state_enable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_auxport_state_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_auxport_read \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5)) +#define DIDmsg_p2req_auxport_read_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_auxport_read_len \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_auxport_read_data \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_auxport_read_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_auxport_write \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6)) +#define DIDmsg_p2req_auxport_write_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_auxport_write_len \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_auxport_write_data \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_auxport_write_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_low_level \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7)) +#define DIDmsg_p2req_low_level_command \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_low_level_param0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_low_level_param1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_low_level_param2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_low_level_resp0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_p2req_low_level_resp1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_p2req_low_level_resp2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_p2req_low_level_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(8) | 0x00000000) +#define DIDmsg_p2req_test_command \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8)) +#define DIDmsg_p2req_test_command_testcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_test_command_testparam \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_test_command_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_test_command_status \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_test_command_resp0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_p2req_test_command_resp1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_p2req_test_command_resp2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(7) | 0x00000000) +#define DIDmsg_p2req_mmi_read \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(9)) +#define DIDmsg_p2req_mmi_read_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_mmi_read_value \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_mmi_read_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_mmi_write \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(10)) +#define DIDmsg_p2req_mmi_write_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_mmi_write_data \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_mmi_write_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_ramdl_state \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(11)) +#define DIDmsg_p2req_ramdl_state_enable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_ramdl_state_exeaddr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_ramdl_state_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(11) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_ramdl_write \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(12)) +#define DIDmsg_p2req_ramdl_write_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_ramdl_write_len \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_ramdl_write_data \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_ramdl_write_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(12) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_flashdl_state \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(13)) +#define DIDmsg_p2req_flashdl_state_enable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_flashdl_state_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(13) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_flashdl_write \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(14)) +#define DIDmsg_p2req_flashdl_write_addr \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(14) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_flashdl_write_len \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(14) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_flashdl_write_data \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(14) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_flashdl_write_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(14) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_mm_state \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(15)) +#define DIDmsg_p2req_mm_state_enable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(15) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_mm_state_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(15) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_dump_state \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(16)) +#define DIDmsg_p2req_dump_state_level \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(16) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_dump_state_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(16) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_channel_info \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(17)) +#define DIDmsg_p2req_channel_info_channellist \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(17) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_channel_info_channeldwelltime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(17) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_channel_info_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(17) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_channel_info_numchinfo \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(17) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_channel_info_results \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18)) +#define DIDmsg_p2req_channel_info_results_channel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmsg_p2req_channel_info_results_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(2) | 0x00000000) +#define DIDmsg_p2req_channel_info_results_avgnoiselevel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(3) | 0x00000000) +#define DIDmsg_p2req_channel_info_results_peaknoiselevel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(4) | 0x00000000) +#define DIDmsg_p2req_channel_info_results_bssactive \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(5) | 0x00000000) +#define DIDmsg_p2req_channel_info_results_pcfactive \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(18) | \ + P80211DID_MKITEM(6) | 0x00000000) +#define DIDmsg_p2req_enable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(19)) +#define DIDmsg_p2req_enable_resultcode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(19) | \ + P80211DID_MKITEM(1) | 0x00000000) +#define DIDmib_cat_dot11smt \ + P80211DID_MKSECTION(1) +#define DIDmib_dot11smt_p80211Table \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(1)) +#define DIDmib_dot11smt_p80211Table_p80211_ifstate \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2)) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11StationID \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11MediumOccupancyLimit \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPollable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPPeriod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPMaxDuration \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(5) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticationResponseTimeOut \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(6) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11PrivacyOptionImplemented \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11PowerManagementMode \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(8) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredSSID \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(9) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(10) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(11) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11BeaconPeriod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(12) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DTIMPeriod \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(13) | 0x18000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11AssociationResponseTimeOut \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(14) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DisassociateReason \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(15) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DisassociateStation \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(16) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DeauthenticateReason \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(17) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11DeauthenticateStation \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(18) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticateFailStatus \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(19) | 0x10000000) +#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticateFailStation \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(20) | 0x10000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3)) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x1c000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(4) | 0x1c000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(5) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(6) | 0x1c000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(7) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable4 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(8) | 0x1c000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(9) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable5 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(10) | 0x1c000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(11) | 0x14000000) +#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable6 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(12) | 0x1c000000) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4)) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x0c000000) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x0c000000) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(3) | 0x0c000000) +#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3 \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(4) | 0x0c000000) +#define DIDmib_dot11smt_dot11WEPKeyMappingsTable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5)) +#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingIndex \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingAddress \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x1c000000) +#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingWEPOn \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x1c000000) +#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingValue \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(4) | 0x1c000000) +#define DIDmib_dot11smt_dot11PrivacyTable \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6)) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPKeyMappingLength \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(3) | 0x18000000) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPICVErrorCount \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPExcludedCount \ + (P80211DID_MKSECTION(1) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_cat_dot11mac \ + P80211DID_MKSECTION(2) +#define DIDmib_dot11mac_dot11OperationTable \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1)) +#define DIDmib_dot11mac_dot11OperationTable_dot11MACAddress \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(5) | 0x18000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11MaxReceiveLifetime \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11ManufacturerID \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(8) | 0x10000000) +#define DIDmib_dot11mac_dot11OperationTable_dot11ProductID \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(9) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2)) +#define DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFragmentCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11MulticastTransmittedFrameCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11FailedCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11RetryCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11MultipleRetryCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11FrameDuplicateCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11RTSSuccessCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11RTSFailureCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(8) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11ACKFailureCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(9) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11ReceivedFragmentCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(10) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11MulticastReceivedFrameCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(11) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11FCSErrorCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(12) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFrameCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(13) | 0x10000000) +#define DIDmib_dot11mac_dot11CountersTable_dot11WEPUndecryptableCount \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(14) | 0x10000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3)) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(4) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(5) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(6) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(7) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(8) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(9) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(10) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(11) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(12) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(13) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(14) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(15) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(16) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(17) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(18) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(19) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(20) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(21) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(22) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(23) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(24) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(25) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(26) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(27) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(28) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(29) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(30) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(31) | 0x1c000000) +#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32 \ + (P80211DID_MKSECTION(2) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(32) | 0x1c000000) +#define DIDmib_cat_dot11phy \ + P80211DID_MKSECTION(3) +#define DIDmib_dot11phy_dot11PhyOperationTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1)) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11PHYType \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11CurrentRegDomain \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11TempType \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityPresent \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityEnabled \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyAntennaTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2)) +#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentTxAntenna \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11DiversitySupport \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentRxAntenna \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(3) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3)) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11NumberSupportedPowerLevels \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(8) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8 \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(9) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(10) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4)) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11HopTime \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentChannelNumber \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11MaxDwellTime \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentDwellTime \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentSet \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(5) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentPattern \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(6) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentIndex \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(7) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5)) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CCAModeSupported \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentCCAMode \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11EDThreshold \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11ShortPreambleOptionImplemented \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11PBCCOptionImplemented \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_dot11phy_dot11PhyIRTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(6)) +#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMax \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMax \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMin \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(3) | 0x18000000) +#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMin \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_dot11phy_dot11RegDomainsSupportedTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(7)) +#define DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportIndex \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportValue \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(2) | 0x14000000) +#define DIDmib_dot11phy_dot11AntennasListTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(8)) +#define DIDmib_dot11phy_dot11AntennasListTable_dot11AntennaListIndex \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedTxAntenna \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(2) | 0x1c000000) +#define DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedRxAntenna \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(3) | 0x1c000000) +#define DIDmib_dot11phy_dot11AntennasListTable_dot11DiversitySelectionRx \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(8) | \ + P80211DID_MKITEM(4) | 0x1c000000) +#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(9)) +#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxIndex \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxValue \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(9) | \ + P80211DID_MKITEM(2) | 0x14000000) +#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(10)) +#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxIndex \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(1) | 0x1c000000) +#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxValue \ + (P80211DID_MKSECTION(3) | \ + P80211DID_MKGROUP(10) | \ + P80211DID_MKITEM(2) | 0x14000000) +#define DIDmib_cat_lnx \ + P80211DID_MKSECTION(4) +#define DIDmib_lnx_lnxConfigTable \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1)) +#define DIDmib_lnx_lnxConfigTable_lnxRSNAIE \ + (P80211DID_MKSECTION(4) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_cat_p2 \ + P80211DID_MKSECTION(5) +#define DIDmib_p2_p2Table \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1)) +#define DIDmib_p2_p2Table_p2MMTx \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_p2_p2Table_p2EarlyBeacon \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_p2_p2Table_p2ReceivedFrameStatistics \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_p2_p2Table_p2CommunicationTallies \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_p2_p2Table_p2Authenticated \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_p2_p2Table_p2Associated \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_p2_p2Table_p2PowerSaveUserCount \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_p2_p2Table_p2Comment \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(8) | 0x18000000) +#define DIDmib_p2_p2Table_p2AccessMode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(9) | 0x18000000) +#define DIDmib_p2_p2Table_p2AccessAllow \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(10) | 0x18000000) +#define DIDmib_p2_p2Table_p2AccessDeny \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(11) | 0x18000000) +#define DIDmib_p2_p2Table_p2ChannelInfoResults \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(1) | \ + P80211DID_MKITEM(12) | 0x10000000) +#define DIDmib_p2_p2Static \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2)) +#define DIDmib_p2_p2Static_p2CnfPortType \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnMACAddress \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfDesiredSSID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(3) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnChannel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnSSID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(5) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnATIMWindow \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(6) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfSystemScale \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(7) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMaxDataLength \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(8) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(9) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfPMEnabled \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(10) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfPMEPS \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(11) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMulticastReceive \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(12) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMaxSleepDuration \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(13) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfPMHoldoverDuration \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(14) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnName \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(15) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfOwnDTIMPeriod \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(16) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(17) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(18) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(19) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(20) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(21) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWDSAddress6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(22) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMulticastPMBuffering \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(23) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWEPDefaultKeyID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(24) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(25) | 0x08000000) +#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(26) | 0x08000000) +#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(27) | 0x08000000) +#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(28) | 0x08000000) +#define DIDmib_p2_p2Static_p2CnfWEPFlags \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(29) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfAuthentication \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(30) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMaxAssociatedStations \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(31) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfTxControl \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(32) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfRoamingMode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(33) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfHostAuthentication \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(34) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfRcvCrcError \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(35) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfAltRetryCount \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(36) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfBeaconInterval \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(37) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfMediumOccupancyLimit \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(38) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfCFPPeriod \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(39) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfCFPMaxDuration \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(40) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfCFPFlags \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(41) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfSTAPCFInfo \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(42) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfPriorityQUsage \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(43) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfTIMCtrl \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(44) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfThirty2Tally \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(45) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfEnhSecurity \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(46) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfShortPreamble \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(47) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfExcludeLongPreamble \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(48) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfAuthenticationRspTO \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(49) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfBasicRates \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(50) | 0x18000000) +#define DIDmib_p2_p2Static_p2CnfSupportedRates \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(2) | \ + P80211DID_MKITEM(51) | 0x18000000) +#define DIDmib_p2_p2Dynamic \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3)) +#define DIDmib_p2_p2Dynamic_p2CreateIBSS \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(2) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(3) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(4) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2PromiscuousMode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(5) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(6) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(7) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(8) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(9) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(10) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(11) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(12) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(13) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(14) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(15) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(16) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(17) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(18) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2RTSThreshold6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(19) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl0 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(20) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(21) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(22) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(23) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(24) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(25) | 0x18000000) +#define DIDmib_p2_p2Dynamic_p2TxRateControl6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(3) | \ + P80211DID_MKITEM(26) | 0x18000000) +#define DIDmib_p2_p2Behavior \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(4)) +#define DIDmib_p2_p2Behavior_p2TickTime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(4) | \ + P80211DID_MKITEM(1) | 0x18000000) +#define DIDmib_p2_p2NIC \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5)) +#define DIDmib_p2_p2NIC_p2MaxLoadTime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_p2_p2NIC_p2DLBufferPage \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_p2_p2NIC_p2DLBufferOffset \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_p2_p2NIC_p2DLBufferLength \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_p2_p2NIC_p2PRIIdentity \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_p2_p2NIC_p2PRISupRange \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_p2_p2NIC_p2CFIActRanges \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_p2_p2NIC_p2NICSerialNumber \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(8) | 0x10000000) +#define DIDmib_p2_p2NIC_p2NICIdentity \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(9) | 0x10000000) +#define DIDmib_p2_p2NIC_p2MFISupRange \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(10) | 0x10000000) +#define DIDmib_p2_p2NIC_p2CFISupRange \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(11) | 0x10000000) +#define DIDmib_p2_p2NIC_p2ChannelList \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(12) | 0x10000000) +#define DIDmib_p2_p2NIC_p2RegulatoryDomains \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(13) | 0x10000000) +#define DIDmib_p2_p2NIC_p2TempType \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(14) | 0x10000000) +#define DIDmib_p2_p2NIC_p2STAIdentity \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(15) | 0x10000000) +#define DIDmib_p2_p2NIC_p2STASupRange \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(16) | 0x10000000) +#define DIDmib_p2_p2NIC_p2MFIActRanges \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(17) | 0x10000000) +#define DIDmib_p2_p2NIC_p2STACFIActRanges \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(18) | 0x10000000) +#define DIDmib_p2_p2NIC_p2BuildSequence \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(19) | 0x10000000) +#define DIDmib_p2_p2NIC_p2PrimaryFWID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(20) | 0x10000000) +#define DIDmib_p2_p2NIC_p2SecondaryFWID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(21) | 0x10000000) +#define DIDmib_p2_p2NIC_p2TertiaryFWID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(5) | \ + P80211DID_MKITEM(22) | 0x10000000) +#define DIDmib_p2_p2MAC \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6)) +#define DIDmib_p2_p2MAC_p2PortStatus \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentSSID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentBSSID \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CommsQuality \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CommsQualityCQ \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CommsQualityASL \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(6) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CommsQualityANL \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(7) | 0x10000000) +#define DIDmib_p2_p2MAC_p2dbmCommsQuality \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(8) | 0x10000000) +#define DIDmib_p2_p2MAC_p2dbmCommsQualityCQ \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(9) | 0x10000000) +#define DIDmib_p2_p2MAC_p2dbmCommsQualityASL \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(10) | 0x10000000) +#define DIDmib_p2_p2MAC_p2dbmCommsQualityANL \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(11) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(12) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentBeaconInterval \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(13) | 0x10000000) +#define DIDmib_p2_p2MAC_p2StaCurrentScaleThresholds \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(14) | 0x10000000) +#define DIDmib_p2_p2MAC_p2APCurrentScaleThresholds \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(15) | 0x10000000) +#define DIDmib_p2_p2MAC_p2ProtocolRspTime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(16) | 0x10000000) +#define DIDmib_p2_p2MAC_p2ShortRetryLimit \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(17) | 0x10000000) +#define DIDmib_p2_p2MAC_p2LongRetryLimit \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(18) | 0x10000000) +#define DIDmib_p2_p2MAC_p2MaxTransmitLifetime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(19) | 0x10000000) +#define DIDmib_p2_p2MAC_p2MaxReceiveLifetime \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(20) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CFPollable \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(21) | 0x10000000) +#define DIDmib_p2_p2MAC_p2AuthenticationAlgorithms \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(22) | 0x10000000) +#define DIDmib_p2_p2MAC_p2PrivacyOptionImplemented \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(23) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate1 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(24) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate2 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(25) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate3 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(26) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate4 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(27) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate5 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(28) | 0x10000000) +#define DIDmib_p2_p2MAC_p2CurrentTxRate6 \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(29) | 0x10000000) +#define DIDmib_p2_p2MAC_p2OwnMACAddress \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(6) | \ + P80211DID_MKITEM(30) | 0x10000000) +#define DIDmib_p2_p2Modem \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7)) +#define DIDmib_p2_p2Modem_p2PHYType \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(1) | 0x10000000) +#define DIDmib_p2_p2Modem_p2CurrentChannel \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(2) | 0x10000000) +#define DIDmib_p2_p2Modem_p2CurrentPowerState \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(3) | 0x10000000) +#define DIDmib_p2_p2Modem_p2CCAMode \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(4) | 0x10000000) +#define DIDmib_p2_p2Modem_p2SupportedDataRates \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(5) | 0x10000000) +#define DIDmib_p2_p2Modem_p2TxPowerMax \ + (P80211DID_MKSECTION(5) | \ + P80211DID_MKGROUP(7) | \ + P80211DID_MKITEM(6) | 0x18000000) +#endif diff --git a/drivers/staging/wlan-ng/p80211metamib.h b/drivers/staging/wlan-ng/p80211metamib.h new file mode 100644 index 000000000000..19867fd314eb --- /dev/null +++ b/drivers/staging/wlan-ng/p80211metamib.h @@ -0,0 +1,105 @@ +/* p80211metamib.h +* +* Macros, const, types, and funcs for p80211 mib metadata +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares some of the constants and types used in various +* parts of the linux-wlan system. +* +* Notes: +* - Constant values are always in HOST byte order. +* +* All functions and statics declared here are implemented in p80211types.c +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211METAMIB_H +#define _P80211METAMIB_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +/*================================================================*/ +/* Constants */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Macros */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Types */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Extern Declarations */ + +/*----------------------------------------------------------------*/ +/* The following is the external declaration for the mib */ +/* category metadata list */ + +extern catlistitem_t mib_catlist[]; +extern UINT32 mib_catlist_size; + + +/*================================================================*/ +/* Function Declarations */ + +/*----------------------------------------------------------------*/ +/* */ + +#endif /* _P80211METAMIB_H */ diff --git a/drivers/staging/wlan-ng/p80211metamsg.h b/drivers/staging/wlan-ng/p80211metamsg.h new file mode 100644 index 000000000000..4d6dfcc79b86 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211metamsg.h @@ -0,0 +1,105 @@ +/* p80211metamsg.h +* +* Macros, const, types, and funcs for p80211 msg metadata +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares some of the constants and types used in various +* parts of the linux-wlan system. +* +* Notes: +* - Constant values are always in HOST byte order. +* +* All functions and statics declared here are implemented in p80211types.c +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211METAMSG_H +#define _P80211METAMSG_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +/*================================================================*/ +/* Constants */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Macros */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Types */ + +/*----------------------------------------------------------------*/ +/* */ + +/*================================================================*/ +/* Extern Declarations */ + +/*----------------------------------------------------------------*/ +/* The following is the external declaration for the message */ +/* category metadata list */ + +extern catlistitem_t msg_catlist[]; +extern UINT32 msg_catlist_size; + + +/*================================================================*/ +/* Function Declarations */ + +/*----------------------------------------------------------------*/ +/* */ + +#endif /* _P80211METAMSG_H */ diff --git a/drivers/staging/wlan-ng/p80211metastruct.h b/drivers/staging/wlan-ng/p80211metastruct.h new file mode 100644 index 000000000000..715f4b2adc65 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211metastruct.h @@ -0,0 +1,644 @@ +/* This file is GENERATED AUTOMATICALLY. DO NOT EDIT OR MODIFY. +* -------------------------------------------------------------------- +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211MKMETASTRUCT_H +#define _P80211MKMETASTRUCT_H + + +typedef struct p80211msg_dot11req_mibget +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_unk392_t mibattribute ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_mibget_t; + +typedef struct p80211msg_dot11req_mibset +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_unk392_t mibattribute ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_mibset_t; + +typedef struct p80211msg_dot11req_powermgmt +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t powermgmtmode ; + p80211item_uint32_t wakeup ; + p80211item_uint32_t receivedtims ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_powermgmt_t; + +typedef struct p80211msg_dot11req_scan +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t bsstype ; + p80211item_pstr6_t bssid ; + UINT8 pad_0C[1] ; + p80211item_pstr32_t ssid ; + UINT8 pad_1D[3] ; + p80211item_uint32_t scantype ; + p80211item_uint32_t probedelay ; + p80211item_pstr14_t channellist ; + UINT8 pad_2C[1] ; + p80211item_uint32_t minchanneltime ; + p80211item_uint32_t maxchanneltime ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t numbss ; + p80211item_uint32_t append ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_scan_t; + +typedef struct p80211msg_dot11req_scan_results +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t bssindex ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t signal ; + p80211item_uint32_t noise ; + p80211item_pstr6_t bssid ; + UINT8 pad_3C[1] ; + p80211item_pstr32_t ssid ; + UINT8 pad_4D[3] ; + p80211item_uint32_t bsstype ; + p80211item_uint32_t beaconperiod ; + p80211item_uint32_t dtimperiod ; + p80211item_uint32_t timestamp ; + p80211item_uint32_t localtime ; + p80211item_uint32_t fhdwelltime ; + p80211item_uint32_t fhhopset ; + p80211item_uint32_t fhhoppattern ; + p80211item_uint32_t fhhopindex ; + p80211item_uint32_t dschannel ; + p80211item_uint32_t cfpcount ; + p80211item_uint32_t cfpperiod ; + p80211item_uint32_t cfpmaxduration ; + p80211item_uint32_t cfpdurremaining ; + p80211item_uint32_t ibssatimwindow ; + p80211item_uint32_t cfpollable ; + p80211item_uint32_t cfpollreq ; + p80211item_uint32_t privacy ; + p80211item_uint32_t basicrate1 ; + p80211item_uint32_t basicrate2 ; + p80211item_uint32_t basicrate3 ; + p80211item_uint32_t basicrate4 ; + p80211item_uint32_t basicrate5 ; + p80211item_uint32_t basicrate6 ; + p80211item_uint32_t basicrate7 ; + p80211item_uint32_t basicrate8 ; + p80211item_uint32_t supprate1 ; + p80211item_uint32_t supprate2 ; + p80211item_uint32_t supprate3 ; + p80211item_uint32_t supprate4 ; + p80211item_uint32_t supprate5 ; + p80211item_uint32_t supprate6 ; + p80211item_uint32_t supprate7 ; + p80211item_uint32_t supprate8 ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_scan_results_t; + +typedef struct p80211msg_dot11req_join +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t bssid ; + UINT8 pad_5C[1] ; + p80211item_uint32_t joinfailuretimeout ; + p80211item_uint32_t basicrate1 ; + p80211item_uint32_t basicrate2 ; + p80211item_uint32_t basicrate3 ; + p80211item_uint32_t basicrate4 ; + p80211item_uint32_t basicrate5 ; + p80211item_uint32_t basicrate6 ; + p80211item_uint32_t basicrate7 ; + p80211item_uint32_t basicrate8 ; + p80211item_uint32_t operationalrate1 ; + p80211item_uint32_t operationalrate2 ; + p80211item_uint32_t operationalrate3 ; + p80211item_uint32_t operationalrate4 ; + p80211item_uint32_t operationalrate5 ; + p80211item_uint32_t operationalrate6 ; + p80211item_uint32_t operationalrate7 ; + p80211item_uint32_t operationalrate8 ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_join_t; + +typedef struct p80211msg_dot11req_authenticate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_6C[1] ; + p80211item_uint32_t authenticationtype ; + p80211item_uint32_t authenticationfailuretimeout ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_authenticate_t; + +typedef struct p80211msg_dot11req_deauthenticate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_7C[1] ; + p80211item_uint32_t reasoncode ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_deauthenticate_t; + +typedef struct p80211msg_dot11req_associate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_8C[1] ; + p80211item_uint32_t associatefailuretimeout ; + p80211item_uint32_t cfpollable ; + p80211item_uint32_t cfpollreq ; + p80211item_uint32_t privacy ; + p80211item_uint32_t listeninterval ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_associate_t; + +typedef struct p80211msg_dot11req_reassociate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t newapaddress ; + UINT8 pad_9C[1] ; + p80211item_uint32_t reassociatefailuretimeout ; + p80211item_uint32_t cfpollable ; + p80211item_uint32_t cfpollreq ; + p80211item_uint32_t privacy ; + p80211item_uint32_t listeninterval ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_reassociate_t; + +typedef struct p80211msg_dot11req_disassociate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_10C[1] ; + p80211item_uint32_t reasoncode ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_disassociate_t; + +typedef struct p80211msg_dot11req_reset +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t setdefaultmib ; + p80211item_pstr6_t macaddress ; + UINT8 pad_11C[1] ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_reset_t; + +typedef struct p80211msg_dot11req_start +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr32_t ssid ; + UINT8 pad_12D[3] ; + p80211item_uint32_t bsstype ; + p80211item_uint32_t beaconperiod ; + p80211item_uint32_t dtimperiod ; + p80211item_uint32_t cfpperiod ; + p80211item_uint32_t cfpmaxduration ; + p80211item_uint32_t fhdwelltime ; + p80211item_uint32_t fhhopset ; + p80211item_uint32_t fhhoppattern ; + p80211item_uint32_t dschannel ; + p80211item_uint32_t ibssatimwindow ; + p80211item_uint32_t probedelay ; + p80211item_uint32_t cfpollable ; + p80211item_uint32_t cfpollreq ; + p80211item_uint32_t basicrate1 ; + p80211item_uint32_t basicrate2 ; + p80211item_uint32_t basicrate3 ; + p80211item_uint32_t basicrate4 ; + p80211item_uint32_t basicrate5 ; + p80211item_uint32_t basicrate6 ; + p80211item_uint32_t basicrate7 ; + p80211item_uint32_t basicrate8 ; + p80211item_uint32_t operationalrate1 ; + p80211item_uint32_t operationalrate2 ; + p80211item_uint32_t operationalrate3 ; + p80211item_uint32_t operationalrate4 ; + p80211item_uint32_t operationalrate5 ; + p80211item_uint32_t operationalrate6 ; + p80211item_uint32_t operationalrate7 ; + p80211item_uint32_t operationalrate8 ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_start_t; + +typedef struct p80211msg_dot11ind_authenticate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_13C[1] ; + p80211item_uint32_t authenticationtype ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_authenticate_t; + +typedef struct p80211msg_dot11ind_deauthenticate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_14C[1] ; + p80211item_uint32_t reasoncode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_deauthenticate_t; + +typedef struct p80211msg_dot11ind_associate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_15C[1] ; + p80211item_uint32_t aid ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_associate_t; + +typedef struct p80211msg_dot11ind_reassociate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_16C[1] ; + p80211item_uint32_t aid ; + p80211item_pstr6_t oldapaddress ; + UINT8 pad_17C[1] ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_reassociate_t; + +typedef struct p80211msg_dot11ind_disassociate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t peerstaaddress ; + UINT8 pad_18C[1] ; + p80211item_uint32_t reasoncode ; +} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_disassociate_t; + +typedef struct p80211msg_lnxreq_ifstate +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t ifstate ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_ifstate_t; + +typedef struct p80211msg_lnxreq_wlansniff +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t enable ; + p80211item_uint32_t channel ; + p80211item_uint32_t prismheader ; + p80211item_uint32_t wlanheader ; + p80211item_uint32_t keepwepflags ; + p80211item_uint32_t stripfcs ; + p80211item_uint32_t packet_trunc ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_wlansniff_t; + +typedef struct p80211msg_lnxreq_hostwep +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t decrypt ; + p80211item_uint32_t encrypt ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_hostwep_t; + +typedef struct p80211msg_lnxreq_commsquality +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t dbm ; + p80211item_uint32_t link ; + p80211item_uint32_t level ; + p80211item_uint32_t noise ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_commsquality_t; + +typedef struct p80211msg_lnxreq_autojoin +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr32_t ssid ; + UINT8 pad_19D[3] ; + p80211item_uint32_t authtype ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_autojoin_t; + +typedef struct p80211msg_lnxind_wlansniffrm +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t hosttime ; + p80211item_uint32_t mactime ; + p80211item_uint32_t channel ; + p80211item_uint32_t rssi ; + p80211item_uint32_t sq ; + p80211item_uint32_t signal ; + p80211item_uint32_t noise ; + p80211item_uint32_t rate ; + p80211item_uint32_t istx ; + p80211item_uint32_t frmlen ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxind_wlansniffrm_t; + +typedef struct p80211msg_lnxind_roam +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t reason ; +} __WLAN_ATTRIB_PACK__ p80211msg_lnxind_roam_t; + +typedef struct p80211msg_p2req_join +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_pstr6_t bssid ; + UINT8 pad_20C[1] ; + p80211item_uint32_t basicrate1 ; + p80211item_uint32_t basicrate2 ; + p80211item_uint32_t basicrate3 ; + p80211item_uint32_t basicrate4 ; + p80211item_uint32_t basicrate5 ; + p80211item_uint32_t basicrate6 ; + p80211item_uint32_t basicrate7 ; + p80211item_uint32_t basicrate8 ; + p80211item_uint32_t operationalrate1 ; + p80211item_uint32_t operationalrate2 ; + p80211item_uint32_t operationalrate3 ; + p80211item_uint32_t operationalrate4 ; + p80211item_uint32_t operationalrate5 ; + p80211item_uint32_t operationalrate6 ; + p80211item_uint32_t operationalrate7 ; + p80211item_uint32_t operationalrate8 ; + p80211item_pstr32_t ssid ; + UINT8 pad_21D[3] ; + p80211item_uint32_t channel ; + p80211item_uint32_t authtype ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_join_t; + +typedef struct p80211msg_p2req_readpda +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_unk1024_t pda ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_readpda_t; + +typedef struct p80211msg_p2req_readcis +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_unk1024_t cis ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_readcis_t; + +typedef struct p80211msg_p2req_auxport_state +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t enable ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_state_t; + +typedef struct p80211msg_p2req_auxport_read +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t len ; + p80211item_unk1024_t data ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_read_t; + +typedef struct p80211msg_p2req_auxport_write +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t len ; + p80211item_unk1024_t data ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_write_t; + +typedef struct p80211msg_p2req_low_level +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t command ; + p80211item_uint32_t param0 ; + p80211item_uint32_t param1 ; + p80211item_uint32_t param2 ; + p80211item_uint32_t resp0 ; + p80211item_uint32_t resp1 ; + p80211item_uint32_t resp2 ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_low_level_t; + +typedef struct p80211msg_p2req_test_command +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t testcode ; + p80211item_uint32_t testparam ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t status ; + p80211item_uint32_t resp0 ; + p80211item_uint32_t resp1 ; + p80211item_uint32_t resp2 ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_test_command_t; + +typedef struct p80211msg_p2req_mmi_read +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t value ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mmi_read_t; + +typedef struct p80211msg_p2req_mmi_write +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t data ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mmi_write_t; + +typedef struct p80211msg_p2req_ramdl_state +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t enable ; + p80211item_uint32_t exeaddr ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_ramdl_state_t; + +typedef struct p80211msg_p2req_ramdl_write +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t len ; + p80211item_unk4096_t data ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_ramdl_write_t; + +typedef struct p80211msg_p2req_flashdl_state +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t enable ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_flashdl_state_t; + +typedef struct p80211msg_p2req_flashdl_write +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t addr ; + p80211item_uint32_t len ; + p80211item_unk4096_t data ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_flashdl_write_t; + +typedef struct p80211msg_p2req_mm_state +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t enable ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mm_state_t; + +typedef struct p80211msg_p2req_dump_state +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t level ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_dump_state_t; + +typedef struct p80211msg_p2req_channel_info +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t channellist ; + p80211item_uint32_t channeldwelltime ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t numchinfo ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_channel_info_t; + +typedef struct p80211msg_p2req_channel_info_results +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t channel ; + p80211item_uint32_t resultcode ; + p80211item_uint32_t avgnoiselevel ; + p80211item_uint32_t peaknoiselevel ; + p80211item_uint32_t bssactive ; + p80211item_uint32_t pcfactive ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_channel_info_results_t; + +typedef struct p80211msg_p2req_enable +{ + UINT32 msgcode ; + UINT32 msglen ; + UINT8 devname[WLAN_DEVNAMELEN_MAX] ; + p80211item_uint32_t resultcode ; +} __WLAN_ATTRIB_PACK__ p80211msg_p2req_enable_t; + +#endif diff --git a/drivers/staging/wlan-ng/p80211mgmt.h b/drivers/staging/wlan-ng/p80211mgmt.h new file mode 100644 index 000000000000..bd4c1629eabf --- /dev/null +++ b/drivers/staging/wlan-ng/p80211mgmt.h @@ -0,0 +1,575 @@ +/* p80211mgmt.h +* +* Macros, types, and functions to handle 802.11 mgmt frames +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares the constants and types used in the interface +* between a wlan driver and the user mode utilities. +* +* Notes: +* - Constant values are always in HOST byte order. To assign +* values to multi-byte fields they _must_ be converted to +* ieee byte order. To retrieve multi-byte values from incoming +* frames, they must be converted to host order. +* +* - The len member of the frame structure does NOT!!! include +* the MAC CRC. Therefore, the len field on rx'd frames should +* have 4 subtracted from it. +* +* All functions declared here are implemented in p80211.c +* +* The types, macros, and functions defined here are primarily +* used for encoding and decoding management frames. They are +* designed to follow these patterns of use: +* +* DECODE: +* 1) a frame of length len is received into buffer b +* 2) using the hdr structure and macros, we determine the type +* 3) an appropriate mgmt frame structure, mf, is allocated and zeroed +* 4) mf.hdr = b +* mf.buf = b +* mf.len = len +* 5) call mgmt_decode( mf ) +* 6) the frame field pointers in mf are now set. Note that any +* multi-byte frame field values accessed using the frame field +* pointers are in ieee byte order and will have to be converted +* to host order. +* +* ENCODE: +* 1) Library client allocates buffer space for maximum length +* frame of the desired type +* 2) Library client allocates a mgmt frame structure, called mf, +* of the desired type +* 3) Set the following: +* mf.type = +* mf.buf = +* 4) call mgmt_encode( mf ) +* 5) all of the fixed field pointers and fixed length information element +* pointers in mf are now set to their respective locations in the +* allocated space (fortunately, all variable length information elements +* fall at the end of their respective frames). +* 5a) The length field is set to include the last of the fixed and fixed +* length fields. It may have to be updated for optional or variable +* length information elements. +* 6) Optional and variable length information elements are special cases +* and must be handled individually by the client code. +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211MGMT_H +#define _P80211MGMT_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +#ifndef _P80211HDR_H +#include "p80211hdr.h" +#endif + + +/*================================================================*/ +/* Constants */ + +/*-- Information Element IDs --------------------*/ +#define WLAN_EID_SSID 0 +#define WLAN_EID_SUPP_RATES 1 +#define WLAN_EID_FH_PARMS 2 +#define WLAN_EID_DS_PARMS 3 +#define WLAN_EID_CF_PARMS 4 +#define WLAN_EID_TIM 5 +#define WLAN_EID_IBSS_PARMS 6 +/*-- values 7-15 reserved --*/ +#define WLAN_EID_CHALLENGE 16 +/*-- values 17-31 reserved for challenge text extension --*/ +/*-- values 32-255 reserved --*/ + +/*-- Reason Codes -------------------------------*/ +#define WLAN_MGMT_REASON_RSVD 0 +#define WLAN_MGMT_REASON_UNSPEC 1 +#define WLAN_MGMT_REASON_PRIOR_AUTH_INVALID 2 +#define WLAN_MGMT_REASON_DEAUTH_LEAVING 3 +#define WLAN_MGMT_REASON_DISASSOC_INACTIVE 4 +#define WLAN_MGMT_REASON_DISASSOC_AP_BUSY 5 +#define WLAN_MGMT_REASON_CLASS2_NONAUTH 6 +#define WLAN_MGMT_REASON_CLASS3_NONASSOC 7 +#define WLAN_MGMT_REASON_DISASSOC_STA_HASLEFT 8 +#define WLAN_MGMT_REASON_CANT_ASSOC_NONAUTH 9 + +/*-- Status Codes -------------------------------*/ +#define WLAN_MGMT_STATUS_SUCCESS 0 +#define WLAN_MGMT_STATUS_UNSPEC_FAILURE 1 +#define WLAN_MGMT_STATUS_CAPS_UNSUPPORTED 10 +#define WLAN_MGMT_STATUS_REASSOC_NO_ASSOC 11 +#define WLAN_MGMT_STATUS_ASSOC_DENIED_UNSPEC 12 +#define WLAN_MGMT_STATUS_UNSUPPORTED_AUTHALG 13 +#define WLAN_MGMT_STATUS_RX_AUTH_NOSEQ 14 +#define WLAN_MGMT_STATUS_CHALLENGE_FAIL 15 +#define WLAN_MGMT_STATUS_AUTH_TIMEOUT 16 +#define WLAN_MGMT_STATUS_ASSOC_DENIED_BUSY 17 +#define WLAN_MGMT_STATUS_ASSOC_DENIED_RATES 18 + /* p80211b additions */ +#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOSHORT 19 +#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOPBCC 20 +#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOAGILITY 21 + + + +/*-- Auth Algorithm Field ---------------------------*/ +#define WLAN_AUTH_ALG_OPENSYSTEM 0 +#define WLAN_AUTH_ALG_SHAREDKEY 1 + +/*-- Management Frame Field Offsets -------------*/ +/* Note: Not all fields are listed because of variable lengths, */ +/* see the code in p80211.c to see how we search for fields */ +/* Note: These offsets are from the start of the frame data */ + +#define WLAN_BEACON_OFF_TS 0 +#define WLAN_BEACON_OFF_BCN_INT 8 +#define WLAN_BEACON_OFF_CAPINFO 10 +#define WLAN_BEACON_OFF_SSID 12 + +#define WLAN_DISASSOC_OFF_REASON 0 + +#define WLAN_ASSOCREQ_OFF_CAP_INFO 0 +#define WLAN_ASSOCREQ_OFF_LISTEN_INT 2 +#define WLAN_ASSOCREQ_OFF_SSID 4 + +#define WLAN_ASSOCRESP_OFF_CAP_INFO 0 +#define WLAN_ASSOCRESP_OFF_STATUS 2 +#define WLAN_ASSOCRESP_OFF_AID 4 +#define WLAN_ASSOCRESP_OFF_SUPP_RATES 6 + +#define WLAN_REASSOCREQ_OFF_CAP_INFO 0 +#define WLAN_REASSOCREQ_OFF_LISTEN_INT 2 +#define WLAN_REASSOCREQ_OFF_CURR_AP 4 +#define WLAN_REASSOCREQ_OFF_SSID 10 + +#define WLAN_REASSOCRESP_OFF_CAP_INFO 0 +#define WLAN_REASSOCRESP_OFF_STATUS 2 +#define WLAN_REASSOCRESP_OFF_AID 4 +#define WLAN_REASSOCRESP_OFF_SUPP_RATES 6 + +#define WLAN_PROBEREQ_OFF_SSID 0 + +#define WLAN_PROBERESP_OFF_TS 0 +#define WLAN_PROBERESP_OFF_BCN_INT 8 +#define WLAN_PROBERESP_OFF_CAP_INFO 10 +#define WLAN_PROBERESP_OFF_SSID 12 + +#define WLAN_AUTHEN_OFF_AUTH_ALG 0 +#define WLAN_AUTHEN_OFF_AUTH_SEQ 2 +#define WLAN_AUTHEN_OFF_STATUS 4 +#define WLAN_AUTHEN_OFF_CHALLENGE 6 + +#define WLAN_DEAUTHEN_OFF_REASON 0 + + +/*================================================================*/ +/* Macros */ + +/*-- Capability Field ---------------------------*/ +#define WLAN_GET_MGMT_CAP_INFO_ESS(n) ((n) & BIT0) +#define WLAN_GET_MGMT_CAP_INFO_IBSS(n) (((n) & BIT1) >> 1) +#define WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(n) (((n) & BIT2) >> 2) +#define WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(n) (((n) & BIT3) >> 3) +#define WLAN_GET_MGMT_CAP_INFO_PRIVACY(n) (((n) & BIT4) >> 4) + /* p80211b additions */ +#define WLAN_GET_MGMT_CAP_INFO_SHORT(n) (((n) & BIT5) >> 5) +#define WLAN_GET_MGMT_CAP_INFO_PBCC(n) (((n) & BIT6) >> 6) +#define WLAN_GET_MGMT_CAP_INFO_AGILITY(n) (((n) & BIT7) >> 7) + +#define WLAN_SET_MGMT_CAP_INFO_ESS(n) (n) +#define WLAN_SET_MGMT_CAP_INFO_IBSS(n) ((n) << 1) +#define WLAN_SET_MGMT_CAP_INFO_CFPOLLABLE(n) ((n) << 2) +#define WLAN_SET_MGMT_CAP_INFO_CFPOLLREQ(n) ((n) << 3) +#define WLAN_SET_MGMT_CAP_INFO_PRIVACY(n) ((n) << 4) + /* p80211b additions */ +#define WLAN_SET_MGMT_CAP_INFO_SHORT(n) ((n) << 5) +#define WLAN_SET_MGMT_CAP_INFO_PBCC(n) ((n) << 6) +#define WLAN_SET_MGMT_CAP_INFO_AGILITY(n) ((n) << 7) + + +/*================================================================*/ +/* Types */ + +/*-- Information Element Types --------------------*/ +/* prototype structure, all IEs start with these members */ + +typedef struct wlan_ie +{ + UINT8 eid; + UINT8 len; +} __WLAN_ATTRIB_PACK__ wlan_ie_t; + +/*-- Service Set Identity (SSID) -----------------*/ +typedef struct wlan_ie_ssid +{ + UINT8 eid; + UINT8 len; + UINT8 ssid[1]; /* may be zero, ptrs may overlap */ +} __WLAN_ATTRIB_PACK__ wlan_ie_ssid_t; + +/*-- Supported Rates -----------------------------*/ +typedef struct wlan_ie_supp_rates +{ + UINT8 eid; + UINT8 len; + UINT8 rates[1]; /* had better be at LEAST one! */ +} __WLAN_ATTRIB_PACK__ wlan_ie_supp_rates_t; + +/*-- FH Parameter Set ----------------------------*/ +typedef struct wlan_ie_fh_parms +{ + UINT8 eid; + UINT8 len; + UINT16 dwell; + UINT8 hopset; + UINT8 hoppattern; + UINT8 hopindex; +} __WLAN_ATTRIB_PACK__ wlan_ie_fh_parms_t; + +/*-- DS Parameter Set ----------------------------*/ +typedef struct wlan_ie_ds_parms +{ + UINT8 eid; + UINT8 len; + UINT8 curr_ch; +} __WLAN_ATTRIB_PACK__ wlan_ie_ds_parms_t; + +/*-- CF Parameter Set ----------------------------*/ + +typedef struct wlan_ie_cf_parms +{ + UINT8 eid; + UINT8 len; + UINT8 cfp_cnt; + UINT8 cfp_period; + UINT16 cfp_maxdur; + UINT16 cfp_durremaining; +} __WLAN_ATTRIB_PACK__ wlan_ie_cf_parms_t; + +/*-- TIM ------------------------------------------*/ +typedef struct wlan_ie_tim +{ + UINT8 eid; + UINT8 len; + UINT8 dtim_cnt; + UINT8 dtim_period; + UINT8 bitmap_ctl; + UINT8 virt_bm[1]; +} __WLAN_ATTRIB_PACK__ wlan_ie_tim_t; + +/*-- IBSS Parameter Set ---------------------------*/ +typedef struct wlan_ie_ibss_parms +{ + UINT8 eid; + UINT8 len; + UINT16 atim_win; +} __WLAN_ATTRIB_PACK__ wlan_ie_ibss_parms_t; + +/*-- Challenge Text ------------------------------*/ +typedef struct wlan_ie_challenge +{ + UINT8 eid; + UINT8 len; + UINT8 challenge[1]; +} __WLAN_ATTRIB_PACK__ wlan_ie_challenge_t; + +/*-------------------------------------------------*/ +/* Frame Types */ + +/* prototype structure, all mgmt frame types will start with these members */ +typedef struct wlan_fr_mgmt +{ + UINT16 type; + UINT16 len; /* DOES NOT include CRC !!!!*/ + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + /*-- info elements ----------*/ +} wlan_fr_mgmt_t; + +/*-- Beacon ---------------------------------------*/ +typedef struct wlan_fr_beacon +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT64 *ts; + UINT16 *bcn_int; + UINT16 *cap_info; + /*-- info elements ----------*/ + wlan_ie_ssid_t *ssid; + wlan_ie_supp_rates_t *supp_rates; + wlan_ie_fh_parms_t *fh_parms; + wlan_ie_ds_parms_t *ds_parms; + wlan_ie_cf_parms_t *cf_parms; + wlan_ie_ibss_parms_t *ibss_parms; + wlan_ie_tim_t *tim; + +} wlan_fr_beacon_t; + + +/*-- IBSS ATIM ------------------------------------*/ +typedef struct wlan_fr_ibssatim +{ + UINT16 type; + UINT16 len; + UINT8* buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + + /*-- fixed fields -----------*/ + /*-- info elements ----------*/ + + /* this frame type has a null body */ + +} wlan_fr_ibssatim_t; + +/*-- Disassociation -------------------------------*/ +typedef struct wlan_fr_disassoc +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *reason; + + /*-- info elements ----------*/ + +} wlan_fr_disassoc_t; + +/*-- Association Request --------------------------*/ +typedef struct wlan_fr_assocreq +{ + UINT16 type; + UINT16 len; + UINT8* buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *cap_info; + UINT16 *listen_int; + /*-- info elements ----------*/ + wlan_ie_ssid_t *ssid; + wlan_ie_supp_rates_t *supp_rates; + +} wlan_fr_assocreq_t; + +/*-- Association Response -------------------------*/ +typedef struct wlan_fr_assocresp +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *cap_info; + UINT16 *status; + UINT16 *aid; + /*-- info elements ----------*/ + wlan_ie_supp_rates_t *supp_rates; + +} wlan_fr_assocresp_t; + +/*-- Reassociation Request ------------------------*/ +typedef struct wlan_fr_reassocreq +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *cap_info; + UINT16 *listen_int; + UINT8 *curr_ap; + /*-- info elements ----------*/ + wlan_ie_ssid_t *ssid; + wlan_ie_supp_rates_t *supp_rates; + +} wlan_fr_reassocreq_t; + +/*-- Reassociation Response -----------------------*/ +typedef struct wlan_fr_reassocresp +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *cap_info; + UINT16 *status; + UINT16 *aid; + /*-- info elements ----------*/ + wlan_ie_supp_rates_t *supp_rates; + +} wlan_fr_reassocresp_t; + +/*-- Probe Request --------------------------------*/ +typedef struct wlan_fr_probereq +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + /*-- info elements ----------*/ + wlan_ie_ssid_t *ssid; + wlan_ie_supp_rates_t *supp_rates; + +} wlan_fr_probereq_t; + +/*-- Probe Response -------------------------------*/ +typedef struct wlan_fr_proberesp +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT64 *ts; + UINT16 *bcn_int; + UINT16 *cap_info; + /*-- info elements ----------*/ + wlan_ie_ssid_t *ssid; + wlan_ie_supp_rates_t *supp_rates; + wlan_ie_fh_parms_t *fh_parms; + wlan_ie_ds_parms_t *ds_parms; + wlan_ie_cf_parms_t *cf_parms; + wlan_ie_ibss_parms_t *ibss_parms; +} wlan_fr_proberesp_t; + +/*-- Authentication -------------------------------*/ +typedef struct wlan_fr_authen +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *auth_alg; + UINT16 *auth_seq; + UINT16 *status; + /*-- info elements ----------*/ + wlan_ie_challenge_t *challenge; + +} wlan_fr_authen_t; + +/*-- Deauthenication -----------------------------*/ +typedef struct wlan_fr_deauthen +{ + UINT16 type; + UINT16 len; + UINT8 *buf; + p80211_hdr_t *hdr; + /* used for target specific data, skb in Linux */ + void *priv; + /*-- fixed fields -----------*/ + UINT16 *reason; + + /*-- info elements ----------*/ + +} wlan_fr_deauthen_t; + + +/*================================================================*/ +/* Extern Declarations */ + + +/*================================================================*/ +/* Function Declarations */ + +void wlan_mgmt_encode_beacon( wlan_fr_beacon_t *f ); +void wlan_mgmt_decode_beacon( wlan_fr_beacon_t *f ); +void wlan_mgmt_encode_disassoc( wlan_fr_disassoc_t *f ); +void wlan_mgmt_decode_disassoc( wlan_fr_disassoc_t *f ); +void wlan_mgmt_encode_assocreq( wlan_fr_assocreq_t *f ); +void wlan_mgmt_decode_assocreq( wlan_fr_assocreq_t *f ); +void wlan_mgmt_encode_assocresp( wlan_fr_assocresp_t *f ); +void wlan_mgmt_decode_assocresp( wlan_fr_assocresp_t *f ); +void wlan_mgmt_encode_reassocreq( wlan_fr_reassocreq_t *f ); +void wlan_mgmt_decode_reassocreq( wlan_fr_reassocreq_t *f ); +void wlan_mgmt_encode_reassocresp( wlan_fr_reassocresp_t *f ); +void wlan_mgmt_decode_reassocresp( wlan_fr_reassocresp_t *f ); +void wlan_mgmt_encode_probereq( wlan_fr_probereq_t *f ); +void wlan_mgmt_decode_probereq( wlan_fr_probereq_t *f ); +void wlan_mgmt_encode_proberesp( wlan_fr_proberesp_t *f ); +void wlan_mgmt_decode_proberesp( wlan_fr_proberesp_t *f ); +void wlan_mgmt_encode_authen( wlan_fr_authen_t *f ); +void wlan_mgmt_decode_authen( wlan_fr_authen_t *f ); +void wlan_mgmt_encode_deauthen( wlan_fr_deauthen_t *f ); +void wlan_mgmt_decode_deauthen( wlan_fr_deauthen_t *f ); + + +#endif /* _P80211MGMT_H */ diff --git a/drivers/staging/wlan-ng/p80211mod.c b/drivers/staging/wlan-ng/p80211mod.c new file mode 100644 index 000000000000..e2c3f63be8be --- /dev/null +++ b/drivers/staging/wlan-ng/p80211mod.c @@ -0,0 +1,216 @@ +/* src/p80211/p80211mod.c +* +* Module entry and exit for p80211 +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file contains the p80211.o entry and exit points defined for linux +* kernel modules. +* +* Notes: +* - all module parameters for p80211.o should be defined here. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ + + +#include + +#include +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25)) +#include +#endif + +#include +#include +#include +#include +#include + +#include "version.h" +#include "wlan_compat.h" + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211req.h" + +/*================================================================*/ +/* Local Constants */ + + +/*================================================================*/ +/* Local Macros */ + + +/*================================================================*/ +/* Local Types */ + + +/*================================================================*/ +/* Local Static Definitions */ + +static char *version = "p80211.o: " WLAN_RELEASE; + + +/*----------------------------------------------------------------*/ +/* --Module Parameters */ + +int wlan_watchdog = 5000; +module_param(wlan_watchdog, int, 0644); +MODULE_PARM_DESC(wlan_watchdog, "transmit timeout in milliseconds"); + +int wlan_wext_write = 0; +#if WIRELESS_EXT > 12 +module_param(wlan_wext_write, int, 0644); +MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions"); +#endif + +#ifdef WLAN_INCLUDE_DEBUG +int wlan_debug=0; +module_param(wlan_debug, int, 0644); +MODULE_PARM_DESC(wlan_debug, "p80211 debug level"); +#endif + +MODULE_LICENSE("Dual MPL/GPL"); + +/*================================================================*/ +/* Local Function Declarations */ + +int init_module(void); +void cleanup_module(void); + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* init_module +* +* Module initialization routine, called once at module load time. +* +* Arguments: +* none +* +* Returns: +* 0 - success +* ~0 - failure, module is unloaded. +* +* Side effects: +* TODO: define +* +* Call context: +* process thread (insmod or modprobe) +----------------------------------------------------------------*/ +int init_module(void) +{ + DBFENTER; + +#if 0 + printk(KERN_NOTICE "%s (%s) Loaded\n", version, WLAN_BUILD_DATE); +#endif + + p80211netdev_startup(); +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_STARTUP); +#endif + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* cleanup_module +* +* Called at module unload time. This is our last chance to +* clean up after ourselves. +* +* Arguments: +* none +* +* Returns: +* nothing +* +* Side effects: +* TODO: define +* +* Call context: +* process thread +* +----------------------------------------------------------------*/ +void cleanup_module(void) +{ + DBFENTER; + +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_SHUTDOWN); +#endif + p80211netdev_shutdown(); + printk(KERN_NOTICE "%s Unloaded\n", version); + + DBFEXIT; + return; +} + +EXPORT_SYMBOL(p80211netdev_hwremoved); +EXPORT_SYMBOL(register_wlandev); +EXPORT_SYMBOL(p80211netdev_rx); +EXPORT_SYMBOL(unregister_wlandev); +EXPORT_SYMBOL(wlan_setup); +EXPORT_SYMBOL(wlan_unsetup); +EXPORT_SYMBOL(p80211_suspend); +EXPORT_SYMBOL(p80211_resume); + +EXPORT_SYMBOL(p80211skb_free); +EXPORT_SYMBOL(p80211skb_rxmeta_attach); + +EXPORT_SYMBOL(p80211wext_event_associated); diff --git a/drivers/staging/wlan-ng/p80211msg.h b/drivers/staging/wlan-ng/p80211msg.h new file mode 100644 index 000000000000..c14e9fbbd687 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211msg.h @@ -0,0 +1,102 @@ +/* p80211msg.h +* +* Macros, constants, types, and funcs for req and ind messages +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211MSG_H +#define _P80211MSG_H + +/*================================================================*/ +/* System Includes */ + +/*================================================================*/ +/* Project Includes */ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +/*================================================================*/ +/* Constants */ + +#define MSG_BUFF_LEN 4000 +#define WLAN_DEVNAMELEN_MAX 16 + +/*================================================================*/ +/* Macros */ + +/*================================================================*/ +/* Types */ + +/*--------------------------------------------------------------------*/ +/*----- Message Structure Types --------------------------------------*/ + +/*--------------------------------------------------------------------*/ +/* Prototype msg type */ + +typedef struct p80211msg +{ + UINT32 msgcode; + UINT32 msglen; + UINT8 devname[WLAN_DEVNAMELEN_MAX]; +} __WLAN_ATTRIB_PACK__ p80211msg_t; + +typedef struct p80211msgd +{ + UINT32 msgcode; + UINT32 msglen; + UINT8 devname[WLAN_DEVNAMELEN_MAX]; + UINT8 args[0]; +} __WLAN_ATTRIB_PACK__ p80211msgd_t; + +/*================================================================*/ +/* Extern Declarations */ + + +/*================================================================*/ +/* Function Declarations */ + +#endif /* _P80211MSG_H */ + diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c new file mode 100644 index 000000000000..11f84a829e14 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -0,0 +1,1502 @@ +/* src/p80211/p80211knetdev.c +* +* Linux Kernel net device interface +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* The functions required for a Linux network device are defined here. +* +* -------------------------------------------------------------------- +*/ + + +/*================================================================*/ +/* System Includes */ + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#ifdef SIOCETHTOOL +#include +#endif + +#if WIRELESS_EXT > 12 +#include +#endif +#include + +/*================================================================*/ +/* Project Includes */ + +#include "version.h" +#include "wlan_compat.h" +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211conv.h" +#include "p80211mgmt.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211ioctl.h" +#include "p80211req.h" +#include "p80211metastruct.h" +#include "p80211metadef.h" + +/*================================================================*/ +/* Local Constants */ + +/*================================================================*/ +/* Local Macros */ + + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ + +#define __NO_VERSION__ /* prevent the static definition */ + +#ifdef CONFIG_PROC_FS +static struct proc_dir_entry *proc_p80211; +#endif + +/*================================================================*/ +/* Local Function Declarations */ + +/* Support functions */ +static void p80211netdev_rx_bh(unsigned long arg); + +/* netdevice method functions */ +static int p80211knetdev_init( netdevice_t *netdev); +static struct net_device_stats* p80211knetdev_get_stats(netdevice_t *netdev); +static int p80211knetdev_open( netdevice_t *netdev); +static int p80211knetdev_stop( netdevice_t *netdev ); +static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netdev); +static void p80211knetdev_set_multicast_list(netdevice_t *dev); +static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd); +static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr); +static void p80211knetdev_tx_timeout(netdevice_t *netdev); +static int p80211_rx_typedrop( wlandevice_t *wlandev, UINT16 fc); + +#ifdef CONFIG_PROC_FS +static int +p80211netdev_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data); +#endif + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* p80211knetdev_startup +* +* Initialize the wlandevice/netdevice part of 802.11 services at +* load time. +* +* Arguments: +* none +* +* Returns: +* nothing +----------------------------------------------------------------*/ +void p80211netdev_startup(void) +{ + DBFENTER; + +#ifdef CONFIG_PROC_FS + if (init_net.proc_net != NULL) { + proc_p80211 = create_proc_entry( + "p80211", + (S_IFDIR|S_IRUGO|S_IXUGO), + init_net.proc_net); + } +#endif + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* p80211knetdev_shutdown +* +* Shutdown the wlandevice/netdevice part of 802.11 services at +* unload time. +* +* Arguments: +* none +* +* Returns: +* nothing +----------------------------------------------------------------*/ +void +p80211netdev_shutdown(void) +{ + DBFENTER; +#ifdef CONFIG_PROC_FS + if (proc_p80211 != NULL) { + remove_proc_entry("p80211", init_net.proc_net); + } +#endif + DBFEXIT; +} + +/*---------------------------------------------------------------- +* p80211knetdev_init +* +* Init method for a Linux netdevice. Called in response to +* register_netdev. +* +* Arguments: +* none +* +* Returns: +* nothing +----------------------------------------------------------------*/ +static int p80211knetdev_init( netdevice_t *netdev) +{ + DBFENTER; + /* Called in response to register_netdev */ + /* This is usually the probe function, but the probe has */ + /* already been done by the MSD and the create_kdev */ + /* function. All we do here is return success */ + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* p80211knetdev_get_stats +* +* Statistics retrieval for linux netdevices. Here we're reporting +* the Linux i/f level statistics. Hence, for the primary numbers, +* we don't want to report the numbers from the MIB. Eventually, +* it might be useful to collect some of the error counters though. +* +* Arguments: +* netdev Linux netdevice +* +* Returns: +* the address of the statistics structure +----------------------------------------------------------------*/ +static struct net_device_stats* +p80211knetdev_get_stats(netdevice_t *netdev) +{ + wlandevice_t *wlandev = (wlandevice_t*)netdev->priv; + DBFENTER; + + /* TODO: review the MIB stats for items that correspond to + linux stats */ + + DBFEXIT; + return &(wlandev->linux_stats); +} + + +/*---------------------------------------------------------------- +* p80211knetdev_open +* +* Linux netdevice open method. Following a successful call here, +* the device is supposed to be ready for tx and rx. In our +* situation that may not be entirely true due to the state of the +* MAC below. +* +* Arguments: +* netdev Linux network device structure +* +* Returns: +* zero on success, non-zero otherwise +----------------------------------------------------------------*/ +static int p80211knetdev_open( netdevice_t *netdev ) +{ + int result = 0; /* success */ + wlandevice_t *wlandev = (wlandevice_t*)(netdev->priv); + + DBFENTER; + + /* Check to make sure the MSD is running */ + if ( wlandev->msdstate != WLAN_MSD_RUNNING ) { + return -ENODEV; + } + + /* Tell the MSD to open */ + if ( wlandev->open != NULL) { + result = wlandev->open(wlandev); + if ( result == 0 ) { +#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,3,43) ) + netdev->interrupt = 0; +#endif + p80211netdev_start_queue(wlandev); + wlandev->state = WLAN_DEVICE_OPEN; + } + } else { + result = -EAGAIN; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* p80211knetdev_stop +* +* Linux netdevice stop (close) method. Following this call, +* no frames should go up or down through this interface. +* +* Arguments: +* netdev Linux network device structure +* +* Returns: +* zero on success, non-zero otherwise +----------------------------------------------------------------*/ +static int p80211knetdev_stop( netdevice_t *netdev ) +{ + int result = 0; + wlandevice_t *wlandev = (wlandevice_t*)(netdev->priv); + + DBFENTER; + + if ( wlandev->close != NULL ) { + result = wlandev->close(wlandev); + } + + p80211netdev_stop_queue(wlandev); + wlandev->state = WLAN_DEVICE_CLOSED; + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* p80211netdev_rx +* +* Frame receive function called by the mac specific driver. +* +* Arguments: +* wlandev WLAN network device structure +* skb skbuff containing a full 802.11 frame. +* Returns: +* nothing +* Side effects: +* +----------------------------------------------------------------*/ +void +p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb ) +{ + DBFENTER; + + /* Enqueue for post-irq processing */ + skb_queue_tail(&wlandev->nsd_rxq, skb); + + tasklet_schedule(&wlandev->rx_bh); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* p80211netdev_rx_bh +* +* Deferred processing of all received frames. +* +* Arguments: +* wlandev WLAN network device structure +* skb skbuff containing a full 802.11 frame. +* Returns: +* nothing +* Side effects: +* +----------------------------------------------------------------*/ +static void p80211netdev_rx_bh(unsigned long arg) +{ + wlandevice_t *wlandev = (wlandevice_t *) arg; + struct sk_buff *skb = NULL; + netdevice_t *dev = wlandev->netdev; + p80211_hdr_a3_t *hdr; + UINT16 fc; + + DBFENTER; + + /* Let's empty our our queue */ + while ( (skb = skb_dequeue(&wlandev->nsd_rxq)) ) { + if (wlandev->state == WLAN_DEVICE_OPEN) { + + if (dev->type != ARPHRD_ETHER) { + /* RAW frame; we shouldn't convert it */ + // XXX Append the Prism Header here instead. + + /* set up various data fields */ + skb->dev = dev; + skb_reset_mac_header(skb); + skb->ip_summed = CHECKSUM_NONE; + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = htons(ETH_P_80211_RAW); + dev->last_rx = jiffies; + + wlandev->linux_stats.rx_packets++; + wlandev->linux_stats.rx_bytes += skb->len; + netif_rx_ni(skb); + continue; + } else { + hdr = (p80211_hdr_a3_t *)skb->data; + fc = ieee2host16(hdr->fc); + if (p80211_rx_typedrop(wlandev, fc)) { + dev_kfree_skb(skb); + continue; + } + + /* perform mcast filtering */ + if (wlandev->netdev->flags & IFF_ALLMULTI) { + /* allow my local address through */ + if (memcmp(hdr->a1, wlandev->netdev->dev_addr, WLAN_ADDR_LEN) != 0) { + /* but reject anything else that isn't multicast */ + if (!(hdr->a1[0] & 0x01)) { + dev_kfree_skb(skb); + continue; + } + } + } + + if ( skb_p80211_to_ether(wlandev, wlandev->ethconv, skb) == 0 ) { + skb->dev->last_rx = jiffies; + wlandev->linux_stats.rx_packets++; + wlandev->linux_stats.rx_bytes += skb->len; + netif_rx_ni(skb); + continue; + } + WLAN_LOG_DEBUG(1, "p80211_to_ether failed.\n"); + } + } + dev_kfree_skb(skb); + } + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* p80211knetdev_hard_start_xmit +* +* Linux netdevice method for transmitting a frame. +* +* Arguments: +* skb Linux sk_buff containing the frame. +* netdev Linux netdevice. +* +* Side effects: +* If the lower layers report that buffers are full. netdev->tbusy +* will be set to prevent higher layers from sending more traffic. +* +* Note: If this function returns non-zero, higher layers retain +* ownership of the skb. +* +* Returns: +* zero on success, non-zero on failure. +----------------------------------------------------------------*/ +static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netdev) +{ + int result = 0; + int txresult = -1; + wlandevice_t *wlandev = (wlandevice_t*)netdev->priv; + p80211_hdr_t p80211_hdr; + p80211_metawep_t p80211_wep; + + DBFENTER; + + if (skb == NULL) { + return 0; + } + + if (wlandev->state != WLAN_DEVICE_OPEN) { + result = 1; + goto failed; + } + + memset(&p80211_hdr, 0, sizeof(p80211_hdr_t)); + memset(&p80211_wep, 0, sizeof(p80211_metawep_t)); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + if ( test_and_set_bit(0, (void*)&(netdev->tbusy)) != 0 ) { + /* We've been called w/ tbusy set, has the tx */ + /* path stalled? */ + WLAN_LOG_DEBUG(1, "called when tbusy set\n"); + result = 1; + goto failed; + } +#else + if ( netif_queue_stopped(netdev) ) { + WLAN_LOG_DEBUG(1, "called when queue stopped.\n"); + result = 1; + goto failed; + } + + netif_stop_queue(netdev); + + /* No timeout handling here, 2.3.38+ kernels call the + * timeout function directly. + * TODO: Add timeout handling. + */ +#endif + + /* Check to see that a valid mode is set */ + switch( wlandev->macmode ) { + case WLAN_MACMODE_IBSS_STA: + case WLAN_MACMODE_ESS_STA: + case WLAN_MACMODE_ESS_AP: + break; + default: + /* Mode isn't set yet, just drop the frame + * and return success . + * TODO: we need a saner way to handle this + */ + if(skb->protocol != ETH_P_80211_RAW) { + p80211netdev_start_queue(wlandev); + WLAN_LOG_NOTICE( + "Tx attempt prior to association, frame dropped.\n"); + wlandev->linux_stats.tx_dropped++; + result = 0; + goto failed; + } + break; + } + + /* Check for raw transmits */ + if(skb->protocol == ETH_P_80211_RAW) { + if (!capable(CAP_NET_ADMIN)) { + result = 1; + goto failed; + } + /* move the header over */ + memcpy(&p80211_hdr, skb->data, sizeof(p80211_hdr_t)); + skb_pull(skb, sizeof(p80211_hdr_t)); + } else { + if ( skb_ether_to_p80211(wlandev, wlandev->ethconv, skb, &p80211_hdr, &p80211_wep) != 0 ) { + /* convert failed */ + WLAN_LOG_DEBUG(1, "ether_to_80211(%d) failed.\n", + wlandev->ethconv); + result = 1; + goto failed; + } + } + if ( wlandev->txframe == NULL ) { + result = 1; + goto failed; + } + + netdev->trans_start = jiffies; + + wlandev->linux_stats.tx_packets++; + /* count only the packet payload */ + wlandev->linux_stats.tx_bytes += skb->len; + + txresult = wlandev->txframe(wlandev, skb, &p80211_hdr, &p80211_wep); + + if ( txresult == 0) { + /* success and more buf */ + /* avail, re: hw_txdata */ + p80211netdev_wake_queue(wlandev); + result = 0; + } else if ( txresult == 1 ) { + /* success, no more avail */ + WLAN_LOG_DEBUG(3, "txframe success, no more bufs\n"); + /* netdev->tbusy = 1; don't set here, irqhdlr */ + /* may have already cleared it */ + result = 0; + } else if ( txresult == 2 ) { + /* alloc failure, drop frame */ + WLAN_LOG_DEBUG(3, "txframe returned alloc_fail\n"); + result = 1; + } else { + /* buffer full or queue busy, drop frame. */ + WLAN_LOG_DEBUG(3, "txframe returned full or busy\n"); + result = 1; + } + + failed: + /* Free up the WEP buffer if it's not the same as the skb */ + if ((p80211_wep.data) && (p80211_wep.data != skb->data)) + kfree(p80211_wep.data); + + /* we always free the skb here, never in a lower level. */ + if (!result) + dev_kfree_skb(skb); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* p80211knetdev_set_multicast_list +* +* Called from higher lavers whenever there's a need to set/clear +* promiscuous mode or rewrite the multicast list. +* +* Arguments: +* none +* +* Returns: +* nothing +----------------------------------------------------------------*/ +static void p80211knetdev_set_multicast_list(netdevice_t *dev) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + + DBFENTER; + + /* TODO: real multicast support as well */ + + if (wlandev->set_multicast_list) + wlandev->set_multicast_list(wlandev, dev); + + DBFEXIT; +} + +#ifdef SIOCETHTOOL + +static int p80211netdev_ethtool(wlandevice_t *wlandev, void __user *useraddr) +{ + UINT32 ethcmd; + struct ethtool_drvinfo info; + struct ethtool_value edata; + + memset(&info, 0, sizeof(info)); + memset(&edata, 0, sizeof(edata)); + + if (copy_from_user(ðcmd, useraddr, sizeof(ethcmd))) + return -EFAULT; + + switch (ethcmd) { + case ETHTOOL_GDRVINFO: + info.cmd = ethcmd; + snprintf(info.driver, sizeof(info.driver), "p80211_%s", + wlandev->nsdname); + snprintf(info.version, sizeof(info.version), "%s", + WLAN_RELEASE); + + // info.fw_version + // info.bus_info + + if (copy_to_user(useraddr, &info, sizeof(info))) + return -EFAULT; + return 0; +#ifdef ETHTOOL_GLINK + case ETHTOOL_GLINK: + edata.cmd = ethcmd; + + if (wlandev->linkstatus && + (wlandev->macmode != WLAN_MACMODE_NONE)) { + edata.data = 1; + } else { + edata.data = 0; + } + + if (copy_to_user(useraddr, &edata, sizeof(edata))) + return -EFAULT; + return 0; + } +#endif + + return -EOPNOTSUPP; +} + +#endif + +/*---------------------------------------------------------------- +* p80211knetdev_do_ioctl +* +* Handle an ioctl call on one of our devices. Everything Linux +* ioctl specific is done here. Then we pass the contents of the +* ifr->data to the request message handler. +* +* Arguments: +* dev Linux kernel netdevice +* ifr Our private ioctl request structure, typed for the +* generic struct ifreq so we can use ptr to func +* w/o cast. +* +* Returns: +* zero on success, a negative errno on failure. Possible values: +* -ENETDOWN Device isn't up. +* -EBUSY cmd already in progress +* -ETIME p80211 cmd timed out (MSD may have its own timers) +* -EFAULT memory fault copying msg from user buffer +* -ENOMEM unable to allocate kernel msg buffer +* -ENOSYS bad magic, it the cmd really for us? +* -EINTR sleeping on cmd, awakened by signal, cmd cancelled. +* +* Call Context: +* Process thread (ioctl caller). TODO: SMP support may require +* locks. +----------------------------------------------------------------*/ +static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd) +{ + int result = 0; + p80211ioctl_req_t *req = (p80211ioctl_req_t*)ifr; + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + UINT8 *msgbuf; + DBFENTER; + + WLAN_LOG_DEBUG(2, "rx'd ioctl, cmd=%d, len=%d\n", cmd, req->len); + +#if WIRELESS_EXT < 13 + /* Is this a wireless extensions ioctl? */ + if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) { + if ((result = p80211wext_support_ioctl(dev, ifr, cmd)) + != (-EOPNOTSUPP)) { + goto bail; + } + } +#endif + +#ifdef SIOCETHTOOL + if (cmd == SIOCETHTOOL) { + result = p80211netdev_ethtool(wlandev, (void __user *) ifr->ifr_data); + goto bail; + } +#endif + + /* Test the magic, assume ifr is good if it's there */ + if ( req->magic != P80211_IOCTL_MAGIC ) { + result = -ENOSYS; + goto bail; + } + + if ( cmd == P80211_IFTEST ) { + result = 0; + goto bail; + } else if ( cmd != P80211_IFREQ ) { + result = -ENOSYS; + goto bail; + } + + /* Allocate a buf of size req->len */ + if ((msgbuf = kmalloc( req->len, GFP_KERNEL))) { + if ( copy_from_user( msgbuf, (void __user *) req->data, req->len) ) { + result = -EFAULT; + } else { + result = p80211req_dorequest( wlandev, msgbuf); + } + + if ( result == 0 ) { + if ( copy_to_user( (void __user *) req->data, msgbuf, req->len)) { + result = -EFAULT; + } + } + kfree(msgbuf); + } else { + result = -ENOMEM; + } +bail: + DBFEXIT; + + return result; /* If allocate,copyfrom or copyto fails, return errno */ +} + +/*---------------------------------------------------------------- +* p80211knetdev_set_mac_address +* +* Handles the ioctl for changing the MACAddress of a netdevice +* +* references: linux/netdevice.h and drivers/net/net_init.c +* +* NOTE: [MSM] We only prevent address changes when the netdev is +* up. We don't control anything based on dot11 state. If the +* address is changed on a STA that's currently associated, you +* will probably lose the ability to send and receive data frames. +* Just be aware. Therefore, this should usually only be done +* prior to scan/join/auth/assoc. +* +* Arguments: +* dev netdevice struct +* addr the new MACAddress (a struct) +* +* Returns: +* zero on success, a negative errno on failure. Possible values: +* -EBUSY device is bussy (cmd not possible) +* -and errors returned by: p80211req_dorequest(..) +* +* by: Collin R. Mulliner +----------------------------------------------------------------*/ +static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr) +{ + struct sockaddr *new_addr = addr; + p80211msg_dot11req_mibset_t dot11req; + p80211item_unk392_t *mibattr; + p80211item_pstr6_t *macaddr; + p80211item_uint32_t *resultcode; + int result = 0; + + DBFENTER; + /* If we're running, we don't allow MAC address changes */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + if ( dev->start) { + return -EBUSY; + } +#else + if (netif_running(dev)) { + return -EBUSY; + } +#endif + + /* Set up some convenience pointers. */ + mibattr = &dot11req.mibattribute; + macaddr = (p80211item_pstr6_t*)&mibattr->data; + resultcode = &dot11req.resultcode; + + /* Set up a dot11req_mibset */ + memset(&dot11req, 0, sizeof(p80211msg_dot11req_mibset_t)); + dot11req.msgcode = DIDmsg_dot11req_mibset; + dot11req.msglen = sizeof(p80211msg_dot11req_mibset_t); + memcpy(dot11req.devname, + ((wlandevice_t*)(dev->priv))->name, + WLAN_DEVNAMELEN_MAX - 1); + + /* Set up the mibattribute argument */ + mibattr->did = DIDmsg_dot11req_mibset_mibattribute; + mibattr->status = P80211ENUM_msgitem_status_data_ok; + mibattr->len = sizeof(mibattr->data); + + macaddr->did = DIDmib_dot11mac_dot11OperationTable_dot11MACAddress; + macaddr->status = P80211ENUM_msgitem_status_data_ok; + macaddr->len = sizeof(macaddr->data); + macaddr->data.len = WLAN_ADDR_LEN; + memcpy(&macaddr->data.data, new_addr->sa_data, WLAN_ADDR_LEN); + + /* Set up the resultcode argument */ + resultcode->did = DIDmsg_dot11req_mibset_resultcode; + resultcode->status = P80211ENUM_msgitem_status_no_value; + resultcode->len = sizeof(resultcode->data); + resultcode->data = 0; + + /* now fire the request */ + result = p80211req_dorequest(dev->priv, (UINT8*)&dot11req); + + /* If the request wasn't successful, report an error and don't + * change the netdev address + */ + if ( result != 0 || resultcode->data != P80211ENUM_resultcode_success) { + WLAN_LOG_ERROR( + "Low-level driver failed dot11req_mibset(dot11MACAddress).\n"); + result = -EADDRNOTAVAIL; + } else { + /* everything's ok, change the addr in netdev */ + memcpy(dev->dev_addr, new_addr->sa_data, dev->addr_len); + } + + DBFEXIT; + return result; +} + +static int wlan_change_mtu(netdevice_t *dev, int new_mtu) +{ + DBFENTER; + // 2312 is max 802.11 payload, 20 is overhead, (ether + llc +snap) + // and another 8 for wep. + if ( (new_mtu < 68) || (new_mtu > (2312 - 20 - 8))) + return -EINVAL; + + dev->mtu = new_mtu; + + DBFEXIT; + + return 0; +} + + + +/*---------------------------------------------------------------- +* wlan_setup +* +* Roughly matches the functionality of ether_setup. Here +* we set up any members of the wlandevice structure that are common +* to all devices. Additionally, we allocate a linux 'struct device' +* and perform the same setup as ether_setup. +* +* Note: It's important that the caller have setup the wlandev->name +* ptr prior to calling this function. +* +* Arguments: +* wlandev ptr to the wlandev structure for the +* interface. +* Returns: +* zero on success, non-zero otherwise. +* Call Context: +* Should be process thread. We'll assume it might be +* interrupt though. When we add support for statically +* compiled drivers, this function will be called in the +* context of the kernel startup code. +----------------------------------------------------------------*/ +int wlan_setup(wlandevice_t *wlandev) +{ + int result = 0; + netdevice_t *dev; + + DBFENTER; + + /* Set up the wlandev */ + wlandev->state = WLAN_DEVICE_CLOSED; + wlandev->ethconv = WLAN_ETHCONV_8021h; + wlandev->macmode = WLAN_MACMODE_NONE; + + /* Set up the rx queue */ + skb_queue_head_init(&wlandev->nsd_rxq); + tasklet_init(&wlandev->rx_bh, + p80211netdev_rx_bh, + (unsigned long)wlandev); + + /* Allocate and initialize the struct device */ + dev = kmalloc(sizeof(netdevice_t), GFP_ATOMIC); + if ( dev == NULL ) { + WLAN_LOG_ERROR("Failed to alloc netdev.\n"); + result = 1; + } else { + memset( dev, 0, sizeof(netdevice_t)); + ether_setup(dev); + wlandev->netdev = dev; + dev->priv = wlandev; + dev->hard_start_xmit = p80211knetdev_hard_start_xmit; + dev->get_stats = p80211knetdev_get_stats; +#ifdef HAVE_PRIVATE_IOCTL + dev->do_ioctl = p80211knetdev_do_ioctl; +#endif +#ifdef HAVE_MULTICAST + dev->set_multicast_list = p80211knetdev_set_multicast_list; +#endif + dev->init = p80211knetdev_init; + dev->open = p80211knetdev_open; + dev->stop = p80211knetdev_stop; + +#ifdef CONFIG_NET_WIRELESS +#if ((WIRELESS_EXT < 17) && (WIRELESS_EXT < 21)) + dev->get_wireless_stats = p80211wext_get_wireless_stats; +#endif +#if WIRELESS_EXT > 12 + dev->wireless_handlers = &p80211wext_handler_def; +#endif +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + dev->tbusy = 1; + dev->start = 0; +#else + netif_stop_queue(dev); +#endif +#ifdef HAVE_CHANGE_MTU + dev->change_mtu = wlan_change_mtu; +#endif +#ifdef HAVE_SET_MAC_ADDR + dev->set_mac_address = p80211knetdev_set_mac_address; +#endif +#ifdef HAVE_TX_TIMEOUT + dev->tx_timeout = &p80211knetdev_tx_timeout; + dev->watchdog_timeo = (wlan_watchdog * HZ) / 1000; +#endif + netif_carrier_off(dev); + } + + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* wlan_unsetup +* +* This function is paired with the wlan_setup routine. It should +* be called after unregister_wlandev. Basically, all it does is +* free the 'struct device' that's associated with the wlandev. +* We do it here because the 'struct device' isn't allocated +* explicitly in the driver code, it's done in wlan_setup. To +* do the free in the driver might seem like 'magic'. +* +* Arguments: +* wlandev ptr to the wlandev structure for the +* interface. +* Returns: +* zero on success, non-zero otherwise. +* Call Context: +* Should be process thread. We'll assume it might be +* interrupt though. When we add support for statically +* compiled drivers, this function will be called in the +* context of the kernel startup code. +----------------------------------------------------------------*/ +int wlan_unsetup(wlandevice_t *wlandev) +{ + int result = 0; + + DBFENTER; + + tasklet_kill(&wlandev->rx_bh); + + if (wlandev->netdev == NULL ) { + WLAN_LOG_ERROR("called without wlandev->netdev set.\n"); + result = 1; + } else { + free_netdev(wlandev->netdev); + wlandev->netdev = NULL; + } + + DBFEXIT; + return 0; +} + + + +/*---------------------------------------------------------------- +* register_wlandev +* +* Roughly matches the functionality of register_netdev. This function +* is called after the driver has successfully probed and set up the +* resources for the device. It's now ready to become a named device +* in the Linux system. +* +* First we allocate a name for the device (if not already set), then +* we call the Linux function register_netdevice. +* +* Arguments: +* wlandev ptr to the wlandev structure for the +* interface. +* Returns: +* zero on success, non-zero otherwise. +* Call Context: +* Can be either interrupt or not. +----------------------------------------------------------------*/ +int register_wlandev(wlandevice_t *wlandev) +{ + int i = 0; + netdevice_t *dev = wlandev->netdev; + + DBFENTER; + + i = dev_alloc_name(wlandev->netdev, "wlan%d"); + if (i >= 0) { + i = register_netdev(wlandev->netdev); + } + if (i != 0) { + return -EIO; + } + +#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) ) + dev->name = wlandev->name; +#else + strcpy(wlandev->name, dev->name); +#endif + +#ifdef CONFIG_PROC_FS + if (proc_p80211) { + wlandev->procdir = proc_mkdir(wlandev->name, proc_p80211); + if ( wlandev->procdir ) + wlandev->procwlandev = + create_proc_read_entry("wlandev", 0, + wlandev->procdir, + p80211netdev_proc_read, + wlandev); + if (wlandev->nsd_proc_read) + create_proc_read_entry("nsd", 0, + wlandev->procdir, + wlandev->nsd_proc_read, + wlandev); + } +#endif + +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REGISTER); +#endif + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* unregister_wlandev +* +* Roughly matches the functionality of unregister_netdev. This +* function is called to remove a named device from the system. +* +* First we tell linux that the device should no longer exist. +* Then we remove it from the list of known wlan devices. +* +* Arguments: +* wlandev ptr to the wlandev structure for the +* interface. +* Returns: +* zero on success, non-zero otherwise. +* Call Context: +* Can be either interrupt or not. +----------------------------------------------------------------*/ +int unregister_wlandev(wlandevice_t *wlandev) +{ + struct sk_buff *skb; + + DBFENTER; + +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REMOVE); +#endif + +#ifdef CONFIG_PROC_FS + if ( wlandev->procwlandev ) { + remove_proc_entry("wlandev", wlandev->procdir); + } + if ( wlandev->nsd_proc_read ) { + remove_proc_entry("nsd", wlandev->procdir); + } + if (wlandev->procdir) { + remove_proc_entry(wlandev->name, proc_p80211); + } +#endif + + unregister_netdev(wlandev->netdev); + + /* Now to clean out the rx queue */ + while ( (skb = skb_dequeue(&wlandev->nsd_rxq)) ) { + dev_kfree_skb(skb); + } + + DBFEXIT; + return 0; +} + +#ifdef CONFIG_PROC_FS +/*---------------------------------------------------------------- +* proc_read +* +* Read function for /proc/net/p80211//wlandev +* +* Arguments: +* buf +* start +* offset +* count +* eof +* data +* Returns: +* zero on success, non-zero otherwise. +* Call Context: +* Can be either interrupt or not. +----------------------------------------------------------------*/ +static int +p80211netdev_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data) +{ + char *p = page; + wlandevice_t *wlandev = (wlandevice_t *) data; + + DBFENTER; + if (offset != 0) { + *eof = 1; + goto exit; + } + + p += sprintf(p, "p80211 version: %s (%s)\n\n", + WLAN_RELEASE, WLAN_BUILD_DATE); + p += sprintf(p, "name : %s\n", wlandev->name); + p += sprintf(p, "nsd name : %s\n", wlandev->nsdname); + p += sprintf(p, "address : %02x:%02x:%02x:%02x:%02x:%02x\n", + wlandev->netdev->dev_addr[0], wlandev->netdev->dev_addr[1], wlandev->netdev->dev_addr[2], + wlandev->netdev->dev_addr[3], wlandev->netdev->dev_addr[4], wlandev->netdev->dev_addr[5]); + p += sprintf(p, "nsd caps : %s%s%s%s%s%s%s%s%s%s\n", + (wlandev->nsdcaps & P80211_NSDCAP_HARDWAREWEP) ? "wep_hw " : "", + (wlandev->nsdcaps & P80211_NSDCAP_TIEDWEP) ? "wep_tied " : "", + (wlandev->nsdcaps & P80211_NSDCAP_NOHOSTWEP) ? "wep_hw_only " : "", + (wlandev->nsdcaps & P80211_NSDCAP_PBCC) ? "pbcc " : "", + (wlandev->nsdcaps & P80211_NSDCAP_SHORT_PREAMBLE) ? "short_preamble " : "", + (wlandev->nsdcaps & P80211_NSDCAP_AGILITY) ? "agility " : "", + (wlandev->nsdcaps & P80211_NSDCAP_AP_RETRANSMIT) ? "ap_retransmit " : "", + (wlandev->nsdcaps & P80211_NSDCAP_HWFRAGMENT) ? "hw_frag " : "", + (wlandev->nsdcaps & P80211_NSDCAP_AUTOJOIN) ? "autojoin " : "", + (wlandev->nsdcaps & P80211_NSDCAP_NOSCAN) ? "" : "scan "); + + + p += sprintf(p, "bssid : %02x:%02x:%02x:%02x:%02x:%02x\n", + wlandev->bssid[0], wlandev->bssid[1], wlandev->bssid[2], + wlandev->bssid[3], wlandev->bssid[4], wlandev->bssid[5]); + + p += sprintf(p, "Enabled : %s%s\n", + (wlandev->shortpreamble) ? "short_preamble " : "", + (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) ? "privacy" : ""); + + + exit: + DBFEXIT; + return (p - page); +} +#endif + +/*---------------------------------------------------------------- +* p80211netdev_hwremoved +* +* Hardware removed notification. This function should be called +* immediately after an MSD has detected that the underlying hardware +* has been yanked out from under us. The primary things we need +* to do are: +* - Mark the wlandev +* - Prevent any further traffic from the knetdev i/f +* - Prevent any further requests from mgmt i/f +* - If there are any waitq'd mgmt requests or mgmt-frame exchanges, +* shut them down. +* - Call the MSD hwremoved function. +* +* The remainder of the cleanup will be handled by unregister(). +* Our primary goal here is to prevent as much tickling of the MSD +* as possible since the MSD is already in a 'wounded' state. +* +* TODO: As new features are added, this function should be +* updated. +* +* Arguments: +* wlandev WLAN network device structure +* Returns: +* nothing +* Side effects: +* +* Call context: +* Usually interrupt. +----------------------------------------------------------------*/ +void p80211netdev_hwremoved(wlandevice_t *wlandev) +{ + DBFENTER; + wlandev->hwremoved = 1; + if ( wlandev->state == WLAN_DEVICE_OPEN) { + p80211netdev_stop_queue(wlandev); + } + + netif_device_detach(wlandev->netdev); + + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* p80211_rx_typedrop +* +* Classifies the frame, increments the appropriate counter, and +* returns 0|1|2 indicating whether the driver should handle, ignore, or +* drop the frame +* +* Arguments: +* wlandev wlan device structure +* fc frame control field +* +* Returns: +* zero if the frame should be handled by the driver, +* one if the frame should be ignored +* anything else means we drop it. +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static int p80211_rx_typedrop( wlandevice_t *wlandev, UINT16 fc) +{ + UINT16 ftype; + UINT16 fstype; + int drop = 0; + /* Classify frame, increment counter */ + ftype = WLAN_GET_FC_FTYPE(fc); + fstype = WLAN_GET_FC_FSTYPE(fc); +#if 0 + WLAN_LOG_DEBUG(4, + "rx_typedrop : ftype=%d fstype=%d.\n", ftype, fstype); +#endif + switch ( ftype ) { + case WLAN_FTYPE_MGMT: + if ((wlandev->netdev->flags & IFF_PROMISC) || + (wlandev->netdev->flags & IFF_ALLMULTI)) { + drop = 1; + break; + } + WLAN_LOG_DEBUG(3, "rx'd mgmt:\n"); + wlandev->rx.mgmt++; + switch( fstype ) { + case WLAN_FSTYPE_ASSOCREQ: + /* printk("assocreq"); */ + wlandev->rx.assocreq++; + break; + case WLAN_FSTYPE_ASSOCRESP: + /* printk("assocresp"); */ + wlandev->rx.assocresp++; + break; + case WLAN_FSTYPE_REASSOCREQ: + /* printk("reassocreq"); */ + wlandev->rx.reassocreq++; + break; + case WLAN_FSTYPE_REASSOCRESP: + /* printk("reassocresp"); */ + wlandev->rx.reassocresp++; + break; + case WLAN_FSTYPE_PROBEREQ: + /* printk("probereq"); */ + wlandev->rx.probereq++; + break; + case WLAN_FSTYPE_PROBERESP: + /* printk("proberesp"); */ + wlandev->rx.proberesp++; + break; + case WLAN_FSTYPE_BEACON: + /* printk("beacon"); */ + wlandev->rx.beacon++; + break; + case WLAN_FSTYPE_ATIM: + /* printk("atim"); */ + wlandev->rx.atim++; + break; + case WLAN_FSTYPE_DISASSOC: + /* printk("disassoc"); */ + wlandev->rx.disassoc++; + break; + case WLAN_FSTYPE_AUTHEN: + /* printk("authen"); */ + wlandev->rx.authen++; + break; + case WLAN_FSTYPE_DEAUTHEN: + /* printk("deauthen"); */ + wlandev->rx.deauthen++; + break; + default: + /* printk("unknown"); */ + wlandev->rx.mgmt_unknown++; + break; + } + /* printk("\n"); */ + drop = 2; + break; + + case WLAN_FTYPE_CTL: + if ((wlandev->netdev->flags & IFF_PROMISC) || + (wlandev->netdev->flags & IFF_ALLMULTI)) { + drop = 1; + break; + } + WLAN_LOG_DEBUG(3, "rx'd ctl:\n"); + wlandev->rx.ctl++; + switch( fstype ) { + case WLAN_FSTYPE_PSPOLL: + /* printk("pspoll"); */ + wlandev->rx.pspoll++; + break; + case WLAN_FSTYPE_RTS: + /* printk("rts"); */ + wlandev->rx.rts++; + break; + case WLAN_FSTYPE_CTS: + /* printk("cts"); */ + wlandev->rx.cts++; + break; + case WLAN_FSTYPE_ACK: + /* printk("ack"); */ + wlandev->rx.ack++; + break; + case WLAN_FSTYPE_CFEND: + /* printk("cfend"); */ + wlandev->rx.cfend++; + break; + case WLAN_FSTYPE_CFENDCFACK: + /* printk("cfendcfack"); */ + wlandev->rx.cfendcfack++; + break; + default: + /* printk("unknown"); */ + wlandev->rx.ctl_unknown++; + break; + } + /* printk("\n"); */ + drop = 2; + break; + + case WLAN_FTYPE_DATA: + wlandev->rx.data++; + switch( fstype ) { + case WLAN_FSTYPE_DATAONLY: + wlandev->rx.dataonly++; + break; + case WLAN_FSTYPE_DATA_CFACK: + wlandev->rx.data_cfack++; + break; + case WLAN_FSTYPE_DATA_CFPOLL: + wlandev->rx.data_cfpoll++; + break; + case WLAN_FSTYPE_DATA_CFACK_CFPOLL: + wlandev->rx.data__cfack_cfpoll++; + break; + case WLAN_FSTYPE_NULL: + WLAN_LOG_DEBUG(3, "rx'd data:null\n"); + wlandev->rx.null++; + break; + case WLAN_FSTYPE_CFACK: + WLAN_LOG_DEBUG(3, "rx'd data:cfack\n"); + wlandev->rx.cfack++; + break; + case WLAN_FSTYPE_CFPOLL: + WLAN_LOG_DEBUG(3, "rx'd data:cfpoll\n"); + wlandev->rx.cfpoll++; + break; + case WLAN_FSTYPE_CFACK_CFPOLL: + WLAN_LOG_DEBUG(3, "rx'd data:cfack_cfpoll\n"); + wlandev->rx.cfack_cfpoll++; + break; + default: + /* printk("unknown"); */ + wlandev->rx.data_unknown++; + break; + } + + break; + } + return drop; +} + +#ifdef CONFIG_HOTPLUG +/* Notify userspace when a netdevice event occurs, + * by running '/sbin/hotplug net' with certain + * environment variables set. + */ +int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action) +{ + char *argv[3], *envp[7], ifname[12 + IFNAMSIZ], action_str[32]; + char nsdname[32], wlan_wext[32]; + int i; + + if (wlandev) { + sprintf(ifname, "INTERFACE=%s", wlandev->name); + sprintf(nsdname, "NSDNAME=%s", wlandev->nsdname); + } else { + sprintf(ifname, "INTERFACE=null"); + sprintf(nsdname, "NSDNAME=null"); + } + + sprintf(wlan_wext, "WLAN_WEXT=%s", wlan_wext_write ? "y" : ""); + sprintf(action_str, "ACTION=%s", action); + + i = 0; + argv[i++] = hotplug_path; + argv[i++] = "wlan"; + argv[i] = NULL; + + i = 0; + /* minimal command environment */ + envp [i++] = "HOME=/"; + envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; + envp [i++] = ifname; + envp [i++] = action_str; + envp [i++] = nsdname; + envp [i++] = wlan_wext; + envp [i] = NULL; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,62)) + return call_usermodehelper(argv [0], argv, envp); +#else + return call_usermodehelper(argv [0], argv, envp, 0); +#endif +} + +#endif + + +void p80211_suspend(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_SUSPEND); +#endif + + DBFEXIT; +} + +void p80211_resume(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef CONFIG_HOTPLUG + p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_RESUME); +#endif + + DBFEXIT; +} + +static void p80211knetdev_tx_timeout( netdevice_t *netdev) +{ + wlandevice_t *wlandev = (wlandevice_t*)netdev->priv; + DBFENTER; + + if (wlandev->tx_timeout) { + wlandev->tx_timeout(wlandev); + } else { + WLAN_LOG_WARNING("Implement tx_timeout for %s\n", + wlandev->nsdname); + p80211netdev_wake_queue(wlandev); + } + + DBFEXIT; +} diff --git a/drivers/staging/wlan-ng/p80211netdev.h b/drivers/staging/wlan-ng/p80211netdev.h new file mode 100644 index 000000000000..9b2e0cdcb449 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211netdev.h @@ -0,0 +1,336 @@ +/* p80211netdev.h +* +* WLAN net device structure and functions +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares the structure type that represents each wlan +* interface. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _LINUX_P80211NETDEV_H +#define _LINUX_P80211NETDEV_H + +#include +#include + +/*================================================================*/ +/* Constants */ + +#define WLAN_DEVICE_CLOSED 0 +#define WLAN_DEVICE_OPEN 1 + +#define WLAN_MACMODE_NONE 0 +#define WLAN_MACMODE_IBSS_STA 1 +#define WLAN_MACMODE_ESS_STA 2 +#define WLAN_MACMODE_ESS_AP 3 + +/* MSD States */ +#define WLAN_MSD_START -1 +#define WLAN_MSD_DRIVERLOADED 0 +#define WLAN_MSD_HWPRESENT_PENDING 1 +#define WLAN_MSD_HWFAIL 2 +#define WLAN_MSD_HWPRESENT 3 +#define WLAN_MSD_FWLOAD_PENDING 4 +#define WLAN_MSD_FWLOAD 5 +#define WLAN_MSD_RUNNING_PENDING 6 +#define WLAN_MSD_RUNNING 7 + +#ifndef ETH_P_ECONET +#define ETH_P_ECONET 0x0018 /* needed for 2.2.x kernels */ +#endif + +#define ETH_P_80211_RAW (ETH_P_ECONET + 1) + +#ifndef ARPHRD_IEEE80211 +#define ARPHRD_IEEE80211 801 /* kernel 2.4.6 */ +#endif + +#ifndef ARPHRD_IEEE80211_PRISM /* kernel 2.4.18 */ +#define ARPHRD_IEEE80211_PRISM 802 +#endif + +/*--- NSD Capabilities Flags ------------------------------*/ +#define P80211_NSDCAP_HARDWAREWEP 0x01 /* hardware wep engine */ +#define P80211_NSDCAP_TIEDWEP 0x02 /* can't decouple en/de */ +#define P80211_NSDCAP_NOHOSTWEP 0x04 /* must use hardware wep */ +#define P80211_NSDCAP_PBCC 0x08 /* hardware supports PBCC */ +#define P80211_NSDCAP_SHORT_PREAMBLE 0x10 /* hardware supports */ +#define P80211_NSDCAP_AGILITY 0x20 /* hardware supports */ +#define P80211_NSDCAP_AP_RETRANSMIT 0x40 /* nsd handles retransmits */ +#define P80211_NSDCAP_HWFRAGMENT 0x80 /* nsd handles frag/defrag */ +#define P80211_NSDCAP_AUTOJOIN 0x100 /* nsd does autojoin */ +#define P80211_NSDCAP_NOSCAN 0x200 /* nsd can scan */ + +/*================================================================*/ +/* Macros */ + +/*================================================================*/ +/* Types */ + +/* Received frame statistics */ +typedef struct p80211_frmrx_t +{ + UINT32 mgmt; + UINT32 assocreq; + UINT32 assocresp; + UINT32 reassocreq; + UINT32 reassocresp; + UINT32 probereq; + UINT32 proberesp; + UINT32 beacon; + UINT32 atim; + UINT32 disassoc; + UINT32 authen; + UINT32 deauthen; + UINT32 mgmt_unknown; + UINT32 ctl; + UINT32 pspoll; + UINT32 rts; + UINT32 cts; + UINT32 ack; + UINT32 cfend; + UINT32 cfendcfack; + UINT32 ctl_unknown; + UINT32 data; + UINT32 dataonly; + UINT32 data_cfack; + UINT32 data_cfpoll; + UINT32 data__cfack_cfpoll; + UINT32 null; + UINT32 cfack; + UINT32 cfpoll; + UINT32 cfack_cfpoll; + UINT32 data_unknown; + UINT32 decrypt; + UINT32 decrypt_err; +} p80211_frmrx_t; + +#ifdef WIRELESS_EXT +/* called by /proc/net/wireless */ +struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev); +/* wireless extensions' ioctls */ +int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd); +#if WIRELESS_EXT > 12 +extern struct iw_handler_def p80211wext_handler_def; +#endif + +int p80211wext_event_associated(struct wlandevice *wlandev, int assoc); + +#endif /* wireless extensions */ + +/* WEP stuff */ +#define NUM_WEPKEYS 4 +#define MAX_KEYLEN 32 + +#define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0) +#define HOSTWEP_DECRYPT BIT4 +#define HOSTWEP_ENCRYPT BIT5 +#define HOSTWEP_PRIVACYINVOKED BIT6 +#define HOSTWEP_EXCLUDEUNENCRYPTED BIT7 + +extern int wlan_watchdog; +extern int wlan_wext_write; + +/* WLAN device type */ +typedef struct wlandevice +{ + struct wlandevice *next; /* link for list of devices */ + void *priv; /* private data for MSD */ + + /* Subsystem State */ + char name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/ + char *nsdname; + + UINT32 state; /* Device I/F state (open/closed) */ + UINT32 msdstate; /* state of underlying driver */ + UINT32 hwremoved; /* Has the hw been yanked out? */ + + /* Hardware config */ + UINT irq; + UINT iobase; + UINT membase; + UINT32 nsdcaps; /* NSD Capabilities flags */ + + /* Config vars */ + UINT ethconv; + + /* device methods (init by MSD, used by p80211 */ + int (*open)(struct wlandevice *wlandev); + int (*close)(struct wlandevice *wlandev); + void (*reset)(struct wlandevice *wlandev ); + int (*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep); + int (*mlmerequest)(struct wlandevice *wlandev, p80211msg_t *msg); + int (*set_multicast_list)(struct wlandevice *wlandev, + netdevice_t *dev); + void (*tx_timeout)(struct wlandevice *wlandev); + +#ifdef CONFIG_PROC_FS + int (*nsd_proc_read)(char *page, char **start, off_t offset, int count, int *eof, void *data); +#endif + + /* 802.11 State */ + UINT8 bssid[WLAN_BSSID_LEN]; + p80211pstr32_t ssid; + UINT32 macmode; + int linkstatus; + int shortpreamble; /* C bool */ + + /* WEP State */ + UINT8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN]; + UINT8 wep_keylens[NUM_WEPKEYS]; + int hostwep; + + /* Request/Confirm i/f state (used by p80211) */ + unsigned long request_pending; /* flag, access atomically */ + + /* netlink socket */ + /* queue for indications waiting for cmd completion */ + /* Linux netdevice and support */ + netdevice_t *netdev; /* ptr to linux netdevice */ + struct net_device_stats linux_stats; + +#ifdef CONFIG_PROC_FS + /* Procfs support */ + struct proc_dir_entry *procdir; + struct proc_dir_entry *procwlandev; +#endif + + /* Rx bottom half */ + struct tasklet_struct rx_bh; + + struct sk_buff_head nsd_rxq; + + /* 802.11 device statistics */ + struct p80211_frmrx_t rx; + +/* compatibility to wireless extensions */ +#ifdef WIRELESS_EXT + struct iw_statistics wstats; + + /* jkriegl: iwspy fields */ + UINT8 spy_number; + char spy_address[IW_MAX_SPY][ETH_ALEN]; + struct iw_quality spy_stat[IW_MAX_SPY]; + +#endif + +} wlandevice_t; + +/* WEP stuff */ +int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen); +int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv); +int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv); + +/*================================================================*/ +/* Externs */ + +/*================================================================*/ +/* Function Declarations */ + +void p80211netdev_startup(void); +void p80211netdev_shutdown(void); +int wlan_setup(wlandevice_t *wlandev); +int wlan_unsetup(wlandevice_t *wlandev); +int register_wlandev(wlandevice_t *wlandev); +int unregister_wlandev(wlandevice_t *wlandev); +void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb); +void p80211netdev_hwremoved(wlandevice_t *wlandev); +void p80211_suspend(wlandevice_t *wlandev); +void p80211_resume(wlandevice_t *wlandev); + +/*================================================================*/ +/* Function Definitions */ + +static inline void +p80211netdev_stop_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 1; + wlandev->netdev->start = 0; +#else + netif_stop_queue(wlandev->netdev); +#endif +} + +static inline void +p80211netdev_start_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 0; + wlandev->netdev->start = 1; +#else + netif_start_queue(wlandev->netdev); +#endif +} + +static inline void +p80211netdev_wake_queue(wlandevice_t *wlandev) +{ + if ( !wlandev ) return; + if ( !wlandev->netdev ) return; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) ) + wlandev->netdev->tbusy = 0; + mark_bh(NET_BH); +#else + netif_wake_queue(wlandev->netdev); +#endif +} + +#ifdef CONFIG_HOTPLUG +#define WLAN_HOTPLUG_REGISTER "register" +#define WLAN_HOTPLUG_REMOVE "remove" +#define WLAN_HOTPLUG_STARTUP "startup" +#define WLAN_HOTPLUG_SHUTDOWN "shutdown" +#define WLAN_HOTPLUG_SUSPEND "suspend" +#define WLAN_HOTPLUG_RESUME "resume" +int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action); +#endif + +#endif diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c new file mode 100644 index 000000000000..0233abeccc4b --- /dev/null +++ b/drivers/staging/wlan-ng/p80211req.c @@ -0,0 +1,329 @@ +/* src/p80211/p80211req.c +* +* Request/Indication/MacMgmt interface handling functions +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file contains the functions, types, and macros to support the +* MLME request interface that's implemented via the device ioctls. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "version.h" +#include "wlan_compat.h" + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211ioctl.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "p80211req.h" + +/*================================================================*/ +/* Local Constants */ + +/* Maximum amount of time we'll wait for a request to complete */ +#define P80211REQ_MAXTIME 3*HZ /* 3 seconds */ + +/*================================================================*/ +/* Local Macros */ + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ + +/*================================================================*/ +/* Local Function Declarations */ + +static void p80211req_handlemsg( wlandevice_t *wlandev, p80211msg_t *msg); +static int p80211req_mibset_mibget(wlandevice_t *wlandev, p80211msg_dot11req_mibget_t *mib_msg, int isget); + +/*================================================================*/ +/* Function Definitions */ + + +/*---------------------------------------------------------------- +* p80211req_dorequest +* +* Handles an MLME reqest/confirm message. +* +* Arguments: +* wlandev WLAN device struct +* msgbuf Buffer containing a request message +* +* Returns: +* 0 on success, an errno otherwise +* +* Call context: +* Potentially blocks the caller, so it's a good idea to +* not call this function from an interrupt context. +----------------------------------------------------------------*/ +int p80211req_dorequest( wlandevice_t *wlandev, UINT8 *msgbuf) +{ + int result = 0; + p80211msg_t *msg = (p80211msg_t*)msgbuf; + + DBFENTER; + + /* Check to make sure the MSD is running */ + if ( + !((wlandev->msdstate == WLAN_MSD_HWPRESENT && + msg->msgcode == DIDmsg_lnxreq_ifstate) || + wlandev->msdstate == WLAN_MSD_RUNNING || + wlandev->msdstate == WLAN_MSD_FWLOAD) ) { + return -ENODEV; + } + + /* Check Permissions */ + if (!capable(CAP_NET_ADMIN) && + (msg->msgcode != DIDmsg_dot11req_mibget)) { + WLAN_LOG_ERROR("%s: only dot11req_mibget allowed for non-root.\n", wlandev->name); + return -EPERM; + } + + /* Check for busy status */ + if ( test_and_set_bit(1, &(wlandev->request_pending))) { + return -EBUSY; + } + + /* Allow p80211 to look at msg and handle if desired. */ + /* So far, all p80211 msgs are immediate, no waitq/timer necessary */ + /* This may change. */ + p80211req_handlemsg(wlandev, msg); + + /* Pass it down to wlandev via wlandev->mlmerequest */ + if ( wlandev->mlmerequest != NULL ) + wlandev->mlmerequest(wlandev, msg); + + clear_bit( 1, &(wlandev->request_pending)); + DBFEXIT; + return result; /* if result==0, msg->status still may contain an err */ +} + +/*---------------------------------------------------------------- +* p80211req_handlemsg +* +* p80211 message handler. Primarily looks for messages that +* belong to p80211 and then dispatches the appropriate response. +* TODO: we don't do anything yet. Once the linuxMIB is better +* defined we'll need a get/set handler. +* +* Arguments: +* wlandev WLAN device struct +* msg message structure +* +* Returns: +* nothing (any results are set in the status field of the msg) +* +* Call context: +* Process thread +----------------------------------------------------------------*/ +static void p80211req_handlemsg( wlandevice_t *wlandev, p80211msg_t *msg) +{ + DBFENTER; + + switch (msg->msgcode) { + + case DIDmsg_lnxreq_hostwep: { + p80211msg_lnxreq_hostwep_t *req = (p80211msg_lnxreq_hostwep_t*) msg; + wlandev->hostwep &= ~(HOSTWEP_DECRYPT|HOSTWEP_ENCRYPT); + if (req->decrypt.data == P80211ENUM_truth_true) + wlandev->hostwep |= HOSTWEP_DECRYPT; + if (req->encrypt.data == P80211ENUM_truth_true) + wlandev->hostwep |= HOSTWEP_ENCRYPT; + + break; + } + case DIDmsg_dot11req_mibget: + case DIDmsg_dot11req_mibset: { + int isget = (msg->msgcode == DIDmsg_dot11req_mibget); + p80211msg_dot11req_mibget_t *mib_msg = (p80211msg_dot11req_mibget_t *) msg; + p80211req_mibset_mibget (wlandev, mib_msg, isget); + } + default: + // XXX do nothing! + ; + } /* switch msg->msgcode */ + + DBFEXIT; + + return; +} + +static int p80211req_mibset_mibget(wlandevice_t *wlandev, + p80211msg_dot11req_mibget_t *mib_msg, + int isget) +{ + p80211itemd_t *mibitem = (p80211itemd_t *) mib_msg->mibattribute.data; + p80211pstrd_t *pstr = (p80211pstrd_t*) mibitem->data; + UINT8 *key = mibitem->data + sizeof(p80211pstrd_t); + + DBFENTER; + + switch (mibitem->did) { + case DIDmib_dot11smt_p80211Table_p80211_ifstate: { + UINT32 *data = (UINT32 *) mibitem->data; + if (isget) + switch (wlandev->msdstate) { + case WLAN_MSD_HWPRESENT: + *data = P80211ENUM_ifstate_disable; + break; + case WLAN_MSD_FWLOAD: + *data = P80211ENUM_ifstate_fwload; + break; + case WLAN_MSD_RUNNING: + *data = P80211ENUM_ifstate_enable; + break; + default: + *data = P80211ENUM_ifstate_enable; + } + break; + } + case DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled: { + UINT32 *data = (UINT32 *) mibitem->data; + + if (isget) + *data = wlandev->shortpreamble; + else + wlandev->shortpreamble = *data; + break; + } + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0: { + if (!isget) + wep_change_key(wlandev, 0, key, pstr->len); + break; + } + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1: { + if (!isget) + wep_change_key(wlandev, 1, key, pstr->len); + break; + } + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2: { + if (!isget) + wep_change_key(wlandev, 2, key, pstr->len); + break; + } + case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3: { + if (!isget) + wep_change_key(wlandev, 3, key, pstr->len); + break; + } + case DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID: { + UINT32 *data = (UINT32 *) mibitem->data; + + if (isget) { + *data = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK; + } else { + wlandev->hostwep &= ~(HOSTWEP_DEFAULTKEY_MASK); + + wlandev->hostwep |= (*data & HOSTWEP_DEFAULTKEY_MASK); + } + break; + } + case DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked: { + UINT32 *data = (UINT32 *) mibitem->data; + + if (isget) { + if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) + *data = P80211ENUM_truth_true; + else + *data = P80211ENUM_truth_false; + } else { + wlandev->hostwep &= ~(HOSTWEP_PRIVACYINVOKED); + if (*data == P80211ENUM_truth_true) + wlandev->hostwep |= HOSTWEP_PRIVACYINVOKED; + } + break; + } + case DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted: { + UINT32 *data = (UINT32 *) mibitem->data; + + if (isget) { + if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) + *data = P80211ENUM_truth_true; + else + *data = P80211ENUM_truth_false; + } else { + wlandev->hostwep &= ~(HOSTWEP_EXCLUDEUNENCRYPTED); + if (*data == P80211ENUM_truth_true) + wlandev->hostwep |= HOSTWEP_EXCLUDEUNENCRYPTED; + } + break; + } + default: + // XXXX do nothing! + ; + } + + DBFEXIT; + return 0; +} + diff --git a/drivers/staging/wlan-ng/p80211req.h b/drivers/staging/wlan-ng/p80211req.h new file mode 100644 index 000000000000..54abdceedc5d --- /dev/null +++ b/drivers/staging/wlan-ng/p80211req.h @@ -0,0 +1,68 @@ +/* p80211req.h +* +* Request handling functions +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _LINUX_P80211REQ_H +#define _LINUX_P80211REQ_H + +/*================================================================*/ +/* Constants */ + +/*================================================================*/ +/* Macros */ + +/*================================================================*/ +/* Types */ + +/*================================================================*/ +/* Externs */ + +/*================================================================*/ +/* Function Declarations */ + +int p80211req_dorequest(wlandevice_t *wlandev, UINT8 *msgbuf); + +#endif diff --git a/drivers/staging/wlan-ng/p80211types.h b/drivers/staging/wlan-ng/p80211types.h new file mode 100644 index 000000000000..811b0ce39bf6 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211types.h @@ -0,0 +1,675 @@ +/* p80211types.h +* +* Macros, constants, types, and funcs for p80211 data types +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file declares some of the constants and types used in various +* parts of the linux-wlan system. +* +* Notes: +* - Constant values are always in HOST byte order. +* +* All functions and statics declared here are implemented in p80211types.c +* -------------------------------------------------------------------- +*/ + +#ifndef _P80211TYPES_H +#define _P80211TYPES_H + +/*================================================================*/ +/* System Includes */ +/*================================================================*/ + +/*================================================================*/ +/* Project Includes */ +/*================================================================*/ + +#ifndef _WLAN_COMPAT_H +#include "wlan_compat.h" +#endif + +/*================================================================*/ +/* Constants */ +/*================================================================*/ + +/*----------------------------------------------------------------*/ +/* p80211 data type codes used for MIB items and message */ +/* arguments. The various metadata structures provide additional */ +/* information about these types. */ + +#define P80211_TYPE_OCTETSTR 1 /* pascal array of bytes */ +#define P80211_TYPE_DISPLAYSTR 2 /* pascal array of bytes containing ascii */ +#define P80211_TYPE_INT 4 /* UINT32 min and max limited by 32 bits */ +#define P80211_TYPE_ENUMINT 5 /* UINT32 holding a numeric + code that can be mapped + to a textual name */ +#define P80211_TYPE_UNKDATA 6 /* Data item containing an + unknown data type */ +#define P80211_TYPE_INTARRAY 7 /* Array of 32-bit integers. */ +#define P80211_TYPE_BITARRAY 8 /* Array of bits. */ +#define P80211_TYPE_MACARRAY 9 /* Array of MAC addresses. */ + +/*----------------------------------------------------------------*/ +/* The following constants are indexes into the Mib Category List */ +/* and the Message Category List */ + +/* Mib Category List */ +#define P80211_MIB_CAT_DOT11SMT 1 +#define P80211_MIB_CAT_DOT11MAC 2 +#define P80211_MIB_CAT_DOT11PHY 3 + +#define P80211SEC_DOT11SMT P80211_MIB_CAT_DOT11SMT +#define P80211SEC_DOT11MAC P80211_MIB_CAT_DOT11MAC +#define P80211SEC_DOT11PHY P80211_MIB_CAT_DOT11PHY + +/* Message Category List */ +#define P80211_MSG_CAT_DOT11REQ 1 +#define P80211_MSG_CAT_DOT11IND 2 +/* #define P80211_MSG_CAT_DOT11CFM 3 (doesn't exist at this time) */ + +#define P80211SEC_DOT11REQ P80211_MSG_CAT_DOT11REQ +#define P80211SEC_DOT11IND P80211_MSG_CAT_DOT11IND +/* #define P80211SEC_DOT11CFM P80211_MSG_CAT_DOT11CFM (doesn't exist at this time */ + + + +/*----------------------------------------------------------------*/ +/* p80211 DID field codes that represent access type and */ +/* is_table status. */ + +#define P80211DID_ACCESS_READ 0x10000000 +#define P80211DID_ACCESS_WRITE 0x08000000 +#define P80211DID_WRITEONLY 0x00000001 +#define P80211DID_READONLY 0x00000002 +#define P80211DID_READWRITE 0x00000003 +#define P80211DID_ISTABLE_FALSE 0 +#define P80211DID_ISTABLE_TRUE 1 + +/*----------------------------------------------------------------*/ +/* p80211 enumeration constants. The value to text mappings for */ +/* these is in p80211types.c. These defines were generated */ +/* from the mappings. */ + +/* error codes for lookups */ +#define P80211ENUM_BAD 0xffffffffUL +#define P80211ENUM_BADSTR "P80211ENUM_BAD" + +#define P80211ENUM_truth_false 0 +#define P80211ENUM_truth_true 1 +#define P80211ENUM_ifstate_disable 0 +#define P80211ENUM_ifstate_fwload 1 +#define P80211ENUM_ifstate_enable 2 +#define P80211ENUM_powermgmt_active 1 +#define P80211ENUM_powermgmt_powersave 2 +#define P80211ENUM_bsstype_infrastructure 1 +#define P80211ENUM_bsstype_independent 2 +#define P80211ENUM_bsstype_any 3 +#define P80211ENUM_authalg_opensystem 1 +#define P80211ENUM_authalg_sharedkey 2 +#define P80211ENUM_phytype_fhss 1 +#define P80211ENUM_phytype_dsss 2 +#define P80211ENUM_phytype_irbaseband 3 +#define P80211ENUM_temptype_commercial 1 +#define P80211ENUM_temptype_industrial 2 +#define P80211ENUM_regdomain_fcc 16 +#define P80211ENUM_regdomain_doc 32 +#define P80211ENUM_regdomain_etsi 48 +#define P80211ENUM_regdomain_spain 49 +#define P80211ENUM_regdomain_france 50 +#define P80211ENUM_regdomain_mkk 64 +#define P80211ENUM_ccamode_edonly 1 +#define P80211ENUM_ccamode_csonly 2 +#define P80211ENUM_ccamode_edandcs 4 +#define P80211ENUM_ccamode_cswithtimer 8 +#define P80211ENUM_ccamode_hrcsanded 16 +#define P80211ENUM_diversity_fixedlist 1 +#define P80211ENUM_diversity_notsupported 2 +#define P80211ENUM_diversity_dynamic 3 +#define P80211ENUM_scantype_active 1 +#define P80211ENUM_scantype_passive 2 +#define P80211ENUM_scantype_both 3 +#define P80211ENUM_resultcode_success 1 +#define P80211ENUM_resultcode_invalid_parameters 2 +#define P80211ENUM_resultcode_not_supported 3 +#define P80211ENUM_resultcode_timeout 4 +#define P80211ENUM_resultcode_too_many_req 5 +#define P80211ENUM_resultcode_refused 6 +#define P80211ENUM_resultcode_bss_already 7 +#define P80211ENUM_resultcode_invalid_access 8 +#define P80211ENUM_resultcode_invalid_mibattribute 9 +#define P80211ENUM_resultcode_cant_set_readonly_mib 10 +#define P80211ENUM_resultcode_implementation_failure 11 +#define P80211ENUM_resultcode_cant_get_writeonly_mib 12 +#define P80211ENUM_reason_unspec_reason 1 +#define P80211ENUM_reason_auth_not_valid 2 +#define P80211ENUM_reason_deauth_lv_ss 3 +#define P80211ENUM_reason_inactivity 4 +#define P80211ENUM_reason_ap_overload 5 +#define P80211ENUM_reason_class23_err 6 +#define P80211ENUM_reason_class3_err 7 +#define P80211ENUM_reason_disas_lv_ss 8 +#define P80211ENUM_reason_asoc_not_auth 9 +#define P80211ENUM_status_successful 0 +#define P80211ENUM_status_unspec_failure 1 +#define P80211ENUM_status_unsup_cap 10 +#define P80211ENUM_status_reasoc_no_asoc 11 +#define P80211ENUM_status_fail_other 12 +#define P80211ENUM_status_unspt_alg 13 +#define P80211ENUM_status_auth_seq_fail 14 +#define P80211ENUM_status_chlng_fail 15 +#define P80211ENUM_status_auth_timeout 16 +#define P80211ENUM_status_ap_full 17 +#define P80211ENUM_status_unsup_rate 18 +#define P80211ENUM_status_unsup_shortpreamble 19 +#define P80211ENUM_status_unsup_pbcc 20 +#define P80211ENUM_status_unsup_agility 21 +#define P80211ENUM_msgitem_status_data_ok 0 +#define P80211ENUM_msgitem_status_no_value 1 +#define P80211ENUM_msgitem_status_invalid_itemname 2 +#define P80211ENUM_msgitem_status_invalid_itemdata 3 +#define P80211ENUM_msgitem_status_missing_itemdata 4 +#define P80211ENUM_msgitem_status_incomplete_itemdata 5 +#define P80211ENUM_msgitem_status_invalid_msg_did 6 +#define P80211ENUM_msgitem_status_invalid_mib_did 7 +#define P80211ENUM_msgitem_status_missing_conv_func 8 +#define P80211ENUM_msgitem_status_string_too_long 9 +#define P80211ENUM_msgitem_status_data_out_of_range 10 +#define P80211ENUM_msgitem_status_string_too_short 11 +#define P80211ENUM_msgitem_status_missing_valid_func 12 +#define P80211ENUM_msgitem_status_unknown 13 +#define P80211ENUM_msgitem_status_invalid_did 14 +#define P80211ENUM_msgitem_status_missing_print_func 15 + +#define P80211ENUM_lnxroam_reason_unknown 0 +#define P80211ENUM_lnxroam_reason_beacon 1 +#define P80211ENUM_lnxroam_reason_signal 2 +#define P80211ENUM_lnxroam_reason_txretry 3 +#define P80211ENUM_lnxroam_reason_notjoined 4 + +#define P80211ENUM_p2preamble_long 0 +#define P80211ENUM_p2preamble_short 2 +#define P80211ENUM_p2preamble_mixed 3 + +/*----------------------------------------------------------------*/ +/* p80211 max length constants for the different pascal strings. */ + +#define MAXLEN_PSTR6 (6) /* pascal array of 6 bytes */ +#define MAXLEN_PSTR14 (14) /* pascal array of 14 bytes */ +#define MAXLEN_PSTR32 (32) /* pascal array of 32 bytes */ +#define MAXLEN_PSTR255 (255) /* pascal array of 255 bytes */ +#define MAXLEN_MIBATTRIBUTE (392) /* maximum mibattribute */ + /* where the size of the DATA itself */ + /* is a DID-LEN-DATA triple */ + /* with a max size of 4+4+384 */ + +#define P80211_SET_INT(item, value) do { \ + (item).data = (value); \ + (item).status = P80211ENUM_msgitem_status_data_ok; \ + } while(0) +/*----------------------------------------------------------------*/ +/* string constants */ + +#define NOT_SET "NOT_SET" +#define NOT_SUPPORTED "NOT_SUPPORTED" +#define UNKNOWN_DATA "UNKNOWN_DATA" + + +/*--------------------------------------------------------------------*/ +/* Metadata flags */ + +/* MSM: Do these belong in p80211meta.h? I'm not sure. */ + +#define ISREQUIRED (0x80000000UL) +#define ISREQUEST (0x40000000UL) +#define ISCONFIRM (0x20000000UL) + + +/*================================================================*/ +/* Macros */ + +/*--------------------------------------------------------------------*/ +/* The following macros are used to manipulate the 'flags' field in */ +/* the metadata. These are only used when the metadata is for */ +/* command arguments to determine if the data item is required, and */ +/* whether the metadata item is for a request command, confirm */ +/* command or both. */ +/*--------------------------------------------------------------------*/ +/* MSM: Do these belong in p80211meta.h? I'm not sure */ + +#define P80211ITEM_SETFLAGS(q, r, c) ( q | r | c ) + +#define P80211ITEM_ISREQUIRED(flags) (((UINT32)(flags & ISREQUIRED)) >> 31 ) +#define P80211ITEM_ISREQUEST(flags) (((UINT32)(flags & ISREQUEST)) >> 30 ) +#define P80211ITEM_ISCONFIRM(flags) (((UINT32)(flags & ISCONFIRM)) >> 29 ) + +/*----------------------------------------------------------------*/ +/* The following macro creates a name for an enum */ + +#define MKENUMNAME(name) p80211enum_ ## name + +/*---------------------------------------------------------------- +* The following constants and macros are used to construct and +* deconstruct the Data ID codes. The coding is as follows: +* +* ...rwtnnnnnnnniiiiiiggggggssssss s - Section +* g - Group +* i - Item +* n - Index +* t - Table flag +* w - Write flag +* r - Read flag +* . - Unused +*/ + +#define P80211DID_INVALID 0xffffffffUL +#define P80211DID_VALID 0x00000000UL + +#define P80211DID_LSB_SECTION (0) +#define P80211DID_LSB_GROUP (6) +#define P80211DID_LSB_ITEM (12) +#define P80211DID_LSB_INDEX (18) +#define P80211DID_LSB_ISTABLE (26) +#define P80211DID_LSB_ACCESS (27) + +#define P80211DID_MASK_SECTION (0x0000003fUL) +#define P80211DID_MASK_GROUP (0x0000003fUL) +#define P80211DID_MASK_ITEM (0x0000003fUL) +#define P80211DID_MASK_INDEX (0x000000ffUL) +#define P80211DID_MASK_ISTABLE (0x00000001UL) +#define P80211DID_MASK_ACCESS (0x00000003UL) + + +#define P80211DID_MK(a,m,l) ((((UINT32)(a)) & (m)) << (l)) + +#define P80211DID_MKSECTION(a) P80211DID_MK(a, \ + P80211DID_MASK_SECTION, \ + P80211DID_LSB_SECTION ) +#define P80211DID_MKGROUP(a) P80211DID_MK(a, \ + P80211DID_MASK_GROUP, \ + P80211DID_LSB_GROUP ) +#define P80211DID_MKITEM(a) P80211DID_MK(a, \ + P80211DID_MASK_ITEM, \ + P80211DID_LSB_ITEM ) +#define P80211DID_MKINDEX(a) P80211DID_MK(a, \ + P80211DID_MASK_INDEX, \ + P80211DID_LSB_INDEX ) +#define P80211DID_MKISTABLE(a) P80211DID_MK(a, \ + P80211DID_MASK_ISTABLE, \ + P80211DID_LSB_ISTABLE ) + + +#define P80211DID_MKID(s,g,i,n,t,a) (P80211DID_MKSECTION(s) | \ + P80211DID_MKGROUP(g) | \ + P80211DID_MKITEM(i) | \ + P80211DID_MKINDEX(n) | \ + P80211DID_MKISTABLE(t) | \ + (a) ) + + +#define P80211DID_GET(a,m,l) ((((UINT32)(a)) >> (l)) & (m)) + +#define P80211DID_SECTION(a) P80211DID_GET(a, \ + P80211DID_MASK_SECTION, \ + P80211DID_LSB_SECTION) +#define P80211DID_GROUP(a) P80211DID_GET(a, \ + P80211DID_MASK_GROUP, \ + P80211DID_LSB_GROUP) +#define P80211DID_ITEM(a) P80211DID_GET(a, \ + P80211DID_MASK_ITEM, \ + P80211DID_LSB_ITEM) +#define P80211DID_INDEX(a) P80211DID_GET(a, \ + P80211DID_MASK_INDEX, \ + P80211DID_LSB_INDEX) +#define P80211DID_ISTABLE(a) P80211DID_GET(a, \ + P80211DID_MASK_ISTABLE, \ + P80211DID_LSB_ISTABLE) +#define P80211DID_ACCESS(a) P80211DID_GET(a, \ + P80211DID_MASK_ACCESS, \ + P80211DID_LSB_ACCESS) + +/*================================================================*/ +/* Types */ + +/*----------------------------------------------------------------*/ +/* The following structure types are used for the represenation */ +/* of ENUMINT type metadata. */ + +typedef struct p80211enumpair +{ + UINT32 val; + char *name; +} p80211enumpair_t; + +typedef struct p80211enum +{ + INT nitems; + p80211enumpair_t *list; +} p80211enum_t; + +/*----------------------------------------------------------------*/ +/* The following structure types are used to store data items in */ +/* messages. */ + +/* Template pascal string */ +typedef struct p80211pstr +{ + UINT8 len; +} __WLAN_ATTRIB_PACK__ p80211pstr_t; + +typedef struct p80211pstrd +{ + UINT8 len; + UINT8 data[0]; +} __WLAN_ATTRIB_PACK__ p80211pstrd_t; + +/* Maximum pascal string */ +typedef struct p80211pstr255 +{ + UINT8 len; + UINT8 data[MAXLEN_PSTR255]; +} __WLAN_ATTRIB_PACK__ p80211pstr255_t; + +/* pascal string for macaddress and bssid */ +typedef struct p80211pstr6 +{ + UINT8 len; + UINT8 data[MAXLEN_PSTR6]; +} __WLAN_ATTRIB_PACK__ p80211pstr6_t; + +/* pascal string for channel list */ +typedef struct p80211pstr14 +{ + UINT8 len; + UINT8 data[MAXLEN_PSTR14]; +} __WLAN_ATTRIB_PACK__ p80211pstr14_t; + +/* pascal string for ssid */ +typedef struct p80211pstr32 +{ + UINT8 len; + UINT8 data[MAXLEN_PSTR32]; +} __WLAN_ATTRIB_PACK__ p80211pstr32_t; + +/* MAC address array */ +typedef struct p80211macarray +{ + UINT32 cnt; + UINT8 data[1][MAXLEN_PSTR6]; +} __WLAN_ATTRIB_PACK__ p80211macarray_t; + +/* prototype template */ +typedef struct p80211item +{ + UINT32 did; + UINT16 status; + UINT16 len; +} __WLAN_ATTRIB_PACK__ p80211item_t; + +/* prototype template w/ data item */ +typedef struct p80211itemd +{ + UINT32 did; + UINT16 status; + UINT16 len; + UINT8 data[0]; +} __WLAN_ATTRIB_PACK__ p80211itemd_t; + +/* message data item for INT, BOUNDEDINT, ENUMINT */ +typedef struct p80211item_uint32 +{ + UINT32 did; + UINT16 status; + UINT16 len; + UINT32 data; +} __WLAN_ATTRIB_PACK__ p80211item_uint32_t; + +/* message data item for OCTETSTR, DISPLAYSTR */ +typedef struct p80211item_pstr6 +{ + UINT32 did; + UINT16 status; + UINT16 len; + p80211pstr6_t data; +} __WLAN_ATTRIB_PACK__ p80211item_pstr6_t; + +/* message data item for OCTETSTR, DISPLAYSTR */ +typedef struct p80211item_pstr14 +{ + UINT32 did; + UINT16 status; + UINT16 len; + p80211pstr14_t data; +} __WLAN_ATTRIB_PACK__ p80211item_pstr14_t; + +/* message data item for OCTETSTR, DISPLAYSTR */ +typedef struct p80211item_pstr32 +{ + UINT32 did; + UINT16 status; + UINT16 len; + p80211pstr32_t data; +} __WLAN_ATTRIB_PACK__ p80211item_pstr32_t; + +/* message data item for OCTETSTR, DISPLAYSTR */ +typedef struct p80211item_pstr255 +{ + UINT32 did; + UINT16 status; + UINT16 len; + p80211pstr255_t data; +} __WLAN_ATTRIB_PACK__ p80211item_pstr255_t; + +/* message data item for UNK 392, namely mib items */ +typedef struct p80211item_unk392 +{ + UINT32 did; + UINT16 status; + UINT16 len; + UINT8 data[MAXLEN_MIBATTRIBUTE]; +} __WLAN_ATTRIB_PACK__ p80211item_unk392_t; + +/* message data item for UNK 1025, namely p2 pdas */ +typedef struct p80211item_unk1024 +{ + UINT32 did; + UINT16 status; + UINT16 len; + UINT8 data[1024]; +} __WLAN_ATTRIB_PACK__ p80211item_unk1024_t; + +/* message data item for UNK 4096, namely p2 download chunks */ +typedef struct p80211item_unk4096 +{ + UINT32 did; + UINT16 status; + UINT16 len; + UINT8 data[4096]; +} __WLAN_ATTRIB_PACK__ p80211item_unk4096_t; + +struct catlistitem; + +/*----------------------------------------------------------------*/ +/* The following structure type is used to represent all of the */ +/* metadata items. Some components may choose to use more, */ +/* less or different metadata items. */ + +typedef void (*p80211_totext_t)( struct catlistitem *, UINT32 did, UINT8* itembuf, char *textbuf); +typedef void (*p80211_fromtext_t)( struct catlistitem *, UINT32 did, UINT8* itembuf, char *textbuf); +typedef UINT32 (*p80211_valid_t)( struct catlistitem *, UINT32 did, UINT8* itembuf); + + +/*================================================================*/ +/* Extern Declarations */ + +/*----------------------------------------------------------------*/ +/* Enumeration Lists */ +/* The following are the external declarations */ +/* for all enumerations */ + +extern p80211enum_t MKENUMNAME(truth); +extern p80211enum_t MKENUMNAME(ifstate); +extern p80211enum_t MKENUMNAME(powermgmt); +extern p80211enum_t MKENUMNAME(bsstype); +extern p80211enum_t MKENUMNAME(authalg); +extern p80211enum_t MKENUMNAME(phytype); +extern p80211enum_t MKENUMNAME(temptype); +extern p80211enum_t MKENUMNAME(regdomain); +extern p80211enum_t MKENUMNAME(ccamode); +extern p80211enum_t MKENUMNAME(diversity); +extern p80211enum_t MKENUMNAME(scantype); +extern p80211enum_t MKENUMNAME(resultcode); +extern p80211enum_t MKENUMNAME(reason); +extern p80211enum_t MKENUMNAME(status); +extern p80211enum_t MKENUMNAME(msgcode); +extern p80211enum_t MKENUMNAME(msgitem_status); + +extern p80211enum_t MKENUMNAME(lnxroam_reason); + +extern p80211enum_t MKENUMNAME(p2preamble); + +/*================================================================*/ +/* Function Declarations */ + +/*----------------------------------------------------------------*/ +/* The following declare some utility functions for use with the */ +/* p80211enum_t type. */ + +UINT32 p80211enum_text2int(p80211enum_t *ep, char *text); +UINT32 p80211enum_int2text(p80211enum_t *ep, UINT32 val, char *text); +void p80211_error2text(int err_code, char *err_str); + +/*----------------------------------------------------------------*/ +/* The following declare some utility functions for use with the */ +/* p80211item_t and p80211meta_t types. */ + +/*----------------------------------------------------------------*/ +/* The following declare functions that perform validation and */ +/* text to binary conversions based on the metadata for interface */ +/* and MIB data items. */ +/*----------------------------------------------------------------*/ + +/*-- DISPLAYSTR ------------------------------------------------------*/ +/* pstr ==> cstr */ +void p80211_totext_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* cstr ==> pstr */ +void p80211_fromtext_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of a displaystr binary value */ +UINT32 p80211_isvalid_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- OCTETSTR --------------------------------------------------------*/ +/* pstr ==> "xx:xx:...." */ +void p80211_totext_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* "xx:xx:...." ==> pstr */ +void p80211_fromtext_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of an octetstr binary value */ +UINT32 p80211_isvalid_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- INT -------------------------------------------------------------*/ +/* UINT32 ==> %d */ +void p80211_totext_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* %d ==> UINT32 */ +void p80211_fromtext_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of an int's binary value (always successful) */ +UINT32 p80211_isvalid_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- ENUMINT ---------------------------------------------------------*/ +/* UINT32 ==> */ +void p80211_totext_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* ==> UINT32 */ +void p80211_fromtext_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of an enum's binary value */ +UINT32 p80211_isvalid_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- INTARRAY --------------------------------------------------------*/ +/* UINT32[] => %d,%d,%d,... */ +void p80211_totext_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* %d,%d,%d,... ==> UINT32[] */ +void p80211_fromtext_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of an integer array's value */ +UINT32 p80211_isvalid_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- BITARRAY --------------------------------------------------------*/ +/* UINT32 ==> %d,%d,%d,... */ +void p80211_totext_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* %d,%d,%d,... ==> UINT32 */ +void p80211_fromtext_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of a bit array's value */ +UINT32 p80211_isvalid_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- MACARRAY --------------------------------------------------------*/ +void p80211_totext_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +void p80211_fromtext_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of a MAC address array's value */ +UINT32 p80211_isvalid_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +/*-- MIBATTRIUBTE ------------------------------------------------------*/ +/* ==> */ +void p80211_totext_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); +void p80211_totext_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + + +/* ==> */ +void p80211_fromtext_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); +void p80211_fromtext_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf ); + +/* function that checks validity of a mibitem's binary value */ +UINT32 p80211_isvalid_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); +UINT32 p80211_isvalid_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf ); + +#endif /* _P80211TYPES_H */ + diff --git a/drivers/staging/wlan-ng/p80211wep.c b/drivers/staging/wlan-ng/p80211wep.c new file mode 100644 index 000000000000..53fe2985971f --- /dev/null +++ b/drivers/staging/wlan-ng/p80211wep.c @@ -0,0 +1,317 @@ +/* src/p80211/p80211wep.c +* +* WEP encode/decode for P80211. +* +* Copyright (C) 2002 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ + + +#include + +#include +#include +#include +#include + +#include "version.h" +#include "wlan_compat.h" + +// #define WEP_DEBUG + +/*================================================================*/ +/* Project Includes */ + +#include "version.h" +#include "p80211hdr.h" +#include "p80211types.h" +#include "p80211msg.h" +#include "p80211conv.h" +#include "p80211netdev.h" + +/*================================================================*/ +/* Local Constants */ + +#define SSWAP(a,b) {UINT8 tmp = s[a]; s[a] = s[b]; s[b] = tmp;} +#define WEP_KEY(x) (((x) & 0xC0) >> 6) + +/*================================================================*/ +/* Local Macros */ + + +/*================================================================*/ +/* Local Types */ + + +/*================================================================*/ +/* Local Static Definitions */ + +static const UINT32 wep_crc32_table[256] = { + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL +}; + +/*================================================================*/ +/* Local Function Declarations */ + +/*================================================================*/ +/* Function Definitions */ + +/* keylen in bytes! */ + +int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen) +{ + if (keylen < 0) return -1; + if (keylen >= MAX_KEYLEN) return -1; + if (key == NULL) return -1; + if (keynum < 0) return -1; + if (keynum >= NUM_WEPKEYS) return -1; + + +#ifdef WEP_DEBUG + printk(KERN_DEBUG "WEP key %d len %d = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", keynum, keylen, key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]); +#endif + + wlandev->wep_keylens[keynum] = keylen; + memcpy(wlandev->wep_keys[keynum], key, keylen); + + return 0; +} + +/* + 4-byte IV at start of buffer, 4-byte ICV at end of buffer. + if successful, buf start is payload begin, length -= 8; + */ +int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv) +{ + UINT32 i, j, k, crc, keylen; + UINT8 s[256], key[64], c_crc[4]; + UINT8 keyidx; + + /* Needs to be at least 8 bytes of payload */ + if (len <= 0) return -1; + + /* initialize the first bytes of the key from the IV */ + key[0] = iv[0]; + key[1] = iv[1]; + key[2] = iv[2]; + keyidx = WEP_KEY(iv[3]); + + if (key_override >= 0) + keyidx = key_override; + + if (keyidx >= NUM_WEPKEYS) return -2; + + keylen = wlandev->wep_keylens[keyidx]; + + if (keylen == 0) return -3; + + /* copy the rest of the key over from the designated key */ + memcpy(key+3, wlandev->wep_keys[keyidx], keylen); + + keylen+=3; /* add in IV bytes */ + +#ifdef WEP_DEBUG + printk(KERN_DEBUG "D %d: %02x %02x %02x (%d %d) %02x:%02x:%02x:%02x:%02x\n", len, key[0], key[1], key[2], keyidx, keylen, key[3], key[4], key[5], key[6], key[7]); +#endif + + /* set up the RC4 state */ + for (i = 0; i < 256; i++) + s[i] = i; + j = 0; + for (i = 0; i < 256; i++) { + j = (j + s[i] + key[i % keylen]) & 0xff; + SSWAP(i,j); + } + + /* Apply the RC4 to the data, update the CRC32 */ + crc = ~0; + i = j = 0; + for (k = 0; k < len; k++) { + i = (i+1) & 0xff; + j = (j+s[i]) & 0xff; + SSWAP(i,j); + buf[k] ^= s[(s[i] + s[j]) & 0xff]; + crc = wep_crc32_table[(crc ^ buf[k]) & 0xff] ^ (crc >> 8); + } + crc = ~crc; + + /* now let's check the crc */ + c_crc[0] = crc; + c_crc[1] = crc >> 8; + c_crc[2] = crc >> 16; + c_crc[3] = crc >> 24; + + for (k = 0; k < 4; k++) { + i = (i + 1) & 0xff; + j = (j+s[i]) & 0xff; + SSWAP(i,j); + if ((c_crc[k] ^ s[(s[i] + s[j]) & 0xff]) != icv[k]) + return -(4 | (k << 4)) ; /* ICV mismatch */ + } + + return 0; +} + +/* encrypts in-place. */ +int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv) +{ + UINT32 i, j, k, crc, keylen; + UINT8 s[256], key[64]; + + /* no point in WEPping an empty frame */ + if (len <= 0) return -1; + + /* we need to have a real key.. */ + if (keynum >= NUM_WEPKEYS) return -2; + keylen = wlandev->wep_keylens[keynum]; + if (keylen <= 0) return -3; + + /* use a random IV. And skip known weak ones. */ + get_random_bytes(iv, 3); + while ((iv[1] == 0xff) && (iv[0] >= 3) && (iv[0] < keylen)) + get_random_bytes(iv, 3); + + iv[3] = (keynum & 0x03) << 6; + + key[0] = iv[0]; + key[1] = iv[1]; + key[2] = iv[2]; + + /* copy the rest of the key over from the designated key */ + memcpy(key+3, wlandev->wep_keys[keynum], keylen); + + keylen+=3; /* add in IV bytes */ + +#ifdef WEP_DEBUG + printk(KERN_DEBUG "E %d (%d/%d %d) %02x %02x %02x %02x:%02x:%02x:%02x:%02x\n", len, iv[3], keynum, keylen, key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]); +#endif + + /* set up the RC4 state */ + for (i = 0; i < 256; i++) + s[i] = i; + j = 0; + for (i = 0; i < 256; i++) { + j = (j + s[i] + key[i % keylen]) & 0xff; + SSWAP(i,j); + } + + /* Update CRC32 then apply RC4 to the data */ + crc = ~0; + i = j = 0; + for (k = 0; k < len; k++) { + crc = wep_crc32_table[(crc ^ buf[k]) & 0xff] ^ (crc >> 8); + i = (i+1) & 0xff; + j = (j+s[i]) & 0xff; + SSWAP(i,j); + dst[k] = buf[k] ^ s[(s[i] + s[j]) & 0xff]; + } + crc = ~crc; + + /* now let's encrypt the crc */ + icv[0] = crc; + icv[1] = crc >> 8; + icv[2] = crc >> 16; + icv[3] = crc >> 24; + + for (k = 0; k < 4; k++) { + i = (i + 1) & 0xff; + j = (j+s[i]) & 0xff; + SSWAP(i,j); + icv[k] ^= s[(s[i] + s[j]) & 0xff]; + } + + return 0; +} diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c new file mode 100644 index 000000000000..906ba4392376 --- /dev/null +++ b/drivers/staging/wlan-ng/p80211wext.c @@ -0,0 +1,2048 @@ +/* src/p80211/p80211wext.c +* +* Glue code to make linux-wlan-ng a happy wireless extension camper. +* +* original author: Reyk Floeter +* Completely re-written by Solomon Peachy +* +* Copyright (C) 2002 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ + + +#include + +#include +#include +#include +#include +#include +#include +#include +#if WIRELESS_EXT > 12 +#include +#endif +#include +#include +#include +#include + +/*================================================================*/ +/* Project Includes */ + +#include "version.h" +#include "wlan_compat.h" + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211conv.h" +#include "p80211mgmt.h" +#include "p80211msg.h" +#include "p80211metastruct.h" +#include "p80211metadef.h" +#include "p80211netdev.h" +#include "p80211ioctl.h" +#include "p80211req.h" + +static int p80211wext_giwrate(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra); +static int p80211wext_giwessid(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *data, char *essid); +/* compatibility to wireless extensions */ +#ifdef WIRELESS_EXT + +static UINT8 p80211_mhz_to_channel(UINT16 mhz) +{ + if (mhz >= 5000) { + return ((mhz - 5000) / 5); + } + + if (mhz == 2482) + return 14; + + if (mhz >= 2407) { + return ((mhz - 2407) / 5); + } + + return 0; +} + +static UINT16 p80211_channel_to_mhz(UINT8 ch, int dot11a) +{ + + if (ch == 0) + return 0; + if (ch > 200) + return 0; + + /* 5G */ + + if (dot11a) { + return (5000 + (5 * ch)); + } + + /* 2.4G */ + + if (ch == 14) + return 2484; + + if ((ch < 14) && (ch > 0)) { + return (2407 + (5 * ch)); + } + + return 0; +} + +/* taken from orinoco.c ;-) */ +static const long p80211wext_channel_freq[] = { + 2412, 2417, 2422, 2427, 2432, 2437, 2442, + 2447, 2452, 2457, 2462, 2467, 2472, 2484 +}; +#define NUM_CHANNELS (sizeof(p80211wext_channel_freq) / sizeof(p80211wext_channel_freq[0])) + +/* steal a spare bit to store the shared/opensystems state. should default to open if not set */ +#define HOSTWEP_SHAREDKEY BIT3 + + +/** function declarations =============== */ + +static int qual_as_percent(int snr ) { + if ( snr <= 0 ) + return 0; + if ( snr <= 40 ) + return snr*5/2; + return 100; +} + + + + +static int p80211wext_dorequest(wlandevice_t *wlandev, UINT32 did, UINT32 data) +{ + p80211msg_dot11req_mibset_t msg; + p80211item_uint32_t mibitem; + int result; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibset; + mibitem.did = did; + mibitem.data = data; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + DBFEXIT; + return result; +} + +static int p80211wext_autojoin(wlandevice_t *wlandev) +{ + p80211msg_lnxreq_autojoin_t msg; + struct iw_point data; + char ssid[IW_ESSID_MAX_SIZE]; + + int result; + int err = 0; + + DBFENTER; + + /* Get ESSID */ + result = p80211wext_giwessid(wlandev->netdev, NULL, &data, ssid); + + if (result) { + err = -EFAULT; + goto exit; + } + + if ( wlandev->hostwep & HOSTWEP_SHAREDKEY ) + msg.authtype.data = P80211ENUM_authalg_sharedkey; + else + msg.authtype.data = P80211ENUM_authalg_opensystem; + + msg.msgcode = DIDmsg_lnxreq_autojoin; + + /* Trim the last '\0' to fit the SSID format */ + + if (data.length && ssid[data.length-1] == '\0') { + data.length = data.length - 1; + } + + memcpy(msg.ssid.data.data, ssid, data.length); + msg.ssid.data.len = data.length; + + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + +exit: + + DBFEXIT; + return err; + +} + +/* called by /proc/net/wireless */ +struct iw_statistics* p80211wext_get_wireless_stats (netdevice_t *dev) +{ + p80211msg_lnxreq_commsquality_t quality; + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct iw_statistics* wstats = &wlandev->wstats; + int retval; + + DBFENTER; + /* Check */ + if ( (wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING) ) + return NULL; + + /* XXX Only valid in station mode */ + wstats->status = 0; + + /* build request message */ + quality.msgcode = DIDmsg_lnxreq_commsquality; + quality.dbm.data = P80211ENUM_truth_true; + quality.dbm.status = P80211ENUM_msgitem_status_data_ok; + + /* send message to nsd */ + if ( wlandev->mlmerequest == NULL ) + return NULL; + + retval = wlandev->mlmerequest(wlandev, (p80211msg_t*) &quality); + + wstats->qual.qual = qual_as_percent(quality.link.data); /* overall link quality */ + wstats->qual.level = quality.level.data; /* instant signal level */ + wstats->qual.noise = quality.noise.data; /* instant noise level */ + +#if WIRELESS_EXT > 18 + wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM; +#else + wstats->qual.updated = 7; +#endif + wstats->discard.code = wlandev->rx.decrypt_err; + wstats->discard.nwid = 0; + wstats->discard.misc = 0; + +#if WIRELESS_EXT > 11 + wstats->discard.fragment = 0; // incomplete fragments + wstats->discard.retries = 0; // tx retries. + wstats->miss.beacon = 0; +#endif + + DBFEXIT; + + return wstats; +} + +static int p80211wext_giwname(netdevice_t *dev, + struct iw_request_info *info, + char *name, char *extra) +{ + struct iw_param rate; + int result; + int err = 0; + + DBFENTER; + + result = p80211wext_giwrate(dev, NULL, &rate, NULL); + + if (result) { + err = -EFAULT; + goto exit; + } + + switch (rate.value) { + case 1000000: + case 2000000: + strcpy(name, "IEEE 802.11-DS"); + break; + case 5500000: + case 11000000: + strcpy(name, "IEEE 802.11-b"); + break; + } +exit: + DBFEXIT; + return err; +} + +static int p80211wext_giwfreq(netdevice_t *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + if (mibitem.data > NUM_CHANNELS) { + err = -EFAULT; + goto exit; + } + + /* convert into frequency instead of a channel */ + freq->e = 1; + freq->m = p80211_channel_to_mhz(mibitem.data, 0) * 100000; + + exit: + DBFEXIT; + return err; +} + +static int p80211wext_siwfreq(netdevice_t *dev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibset; + mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel; + mibitem.status = P80211ENUM_msgitem_status_data_ok; + + if ( (freq->e == 0) && (freq->m <= 1000) ) + mibitem.data = freq->m; + else + mibitem.data = p80211_mhz_to_channel(freq->m); + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + DBFEXIT; + return err; +} + +#if WIRELESS_EXT > 8 + +static int p80211wext_giwmode(netdevice_t *dev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + + DBFENTER; + + switch (wlandev->macmode) { + case WLAN_MACMODE_IBSS_STA: + *mode = IW_MODE_ADHOC; + break; + case WLAN_MACMODE_ESS_STA: + *mode = IW_MODE_INFRA; + break; + case WLAN_MACMODE_ESS_AP: + *mode = IW_MODE_MASTER; + break; + default: + /* Not set yet. */ + *mode = IW_MODE_AUTO; + } + + DBFEXIT; + return 0; +} + +static int p80211wext_siwmode(netdevice_t *dev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA && + *mode != IW_MODE_MASTER) { + err = (-EOPNOTSUPP); + goto exit; + } + + /* Operation mode is the same with current mode */ + if (*mode == wlandev->macmode) + goto exit; + + switch (*mode) { + case IW_MODE_ADHOC: + wlandev->macmode = WLAN_MACMODE_IBSS_STA; + break; + case IW_MODE_INFRA: + wlandev->macmode = WLAN_MACMODE_ESS_STA; + break; + case IW_MODE_MASTER: + wlandev->macmode = WLAN_MACMODE_ESS_AP; + break; + default: + /* Not set yet. */ + WLAN_LOG_INFO("Operation mode: %d not support\n", *mode); + return -EOPNOTSUPP; + } + + /* Set Operation mode to the PORT TYPE RID */ + +#warning "get rid of p2mib here" + + msg.msgcode = DIDmsg_dot11req_mibset; + mibitem.did = DIDmib_p2_p2Static_p2CnfPortType; + mibitem.data = (*mode == IW_MODE_ADHOC) ? 0 : 1; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) + err = -EFAULT; + + exit: + DBFEXIT; + + return err; +} + + +static int p80211wext_giwrange(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct iw_range *range = (struct iw_range *) extra; + int i, val; + + DBFENTER; + + // for backward compatability set size & zero everything we don't understand + data->length = sizeof(*range); + memset(range,0,sizeof(*range)); + +#if WIRELESS_EXT > 9 + range->txpower_capa = IW_TXPOW_DBM; + // XXX what about min/max_pmp, min/max_pmt, etc. +#endif + +#if WIRELESS_EXT > 10 + range->we_version_compiled = WIRELESS_EXT; + range->we_version_source = 13; + + range->retry_capa = IW_RETRY_LIMIT; + range->retry_flags = IW_RETRY_LIMIT; + range->min_retry = 0; + range->max_retry = 255; +#endif /* WIRELESS_EXT > 10 */ + +#if WIRELESS_EXT > 16 + range->event_capa[0] = (IW_EVENT_CAPA_K_0 | //mode/freq/ssid + IW_EVENT_CAPA_MASK(SIOCGIWAP) | + IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); + range->event_capa[1] = IW_EVENT_CAPA_K_1; //encode + range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVQUAL) | + IW_EVENT_CAPA_MASK(IWEVCUSTOM) ); +#endif + + range->num_channels = NUM_CHANNELS; + + /* XXX need to filter against the regulatory domain &| active set */ + val = 0; + for (i = 0; i < NUM_CHANNELS ; i++) { + range->freq[val].i = i + 1; + range->freq[val].m = p80211wext_channel_freq[i] * 100000; + range->freq[val].e = 1; + val++; + } + + range->num_frequency = val; + + /* Max of /proc/net/wireless */ + range->max_qual.qual = 100; + range->max_qual.level = 0; + range->max_qual.noise = 0; + range->sensitivity = 3; + // XXX these need to be nsd-specific! + + range->min_rts = 0; + range->max_rts = 2347; + range->min_frag = 256; + range->max_frag = 2346; + + range->max_encoding_tokens = NUM_WEPKEYS; + range->num_encoding_sizes = 2; + range->encoding_size[0] = 5; + range->encoding_size[1] = 13; + + // XXX what about num_bitrates/throughput? + range->num_bitrates = 0; + + /* estimated max throughput */ + // XXX need to cap it if we're running at ~2Mbps.. + range->throughput = 5500000; + + DBFEXIT; + return 0; +} +#endif + +static int p80211wext_giwap(netdevice_t *dev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra) +{ + + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + + DBFENTER; + + memcpy(ap_addr->sa_data, wlandev->bssid, WLAN_BSSID_LEN); + ap_addr->sa_family = ARPHRD_ETHER; + + DBFEXIT; + return 0; +} + +#if WIRELESS_EXT > 8 +static int p80211wext_giwencode(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *erq, char *key) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + int err = 0; + int i; + + DBFENTER; + + if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) + erq->flags = IW_ENCODE_ENABLED; + else + erq->flags = IW_ENCODE_DISABLED; + + if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) + erq->flags |= IW_ENCODE_RESTRICTED; + else + erq->flags |= IW_ENCODE_OPEN; + + i = (erq->flags & IW_ENCODE_INDEX) - 1; + + if (i == -1) + i = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK; + + if ((i < 0) || (i >= NUM_WEPKEYS)) { + err = -EINVAL; + goto exit; + } + + erq->flags |= i + 1; + + /* copy the key from the driver cache as the keys are read-only MIBs */ + erq->length = wlandev->wep_keylens[i]; + memcpy(key, wlandev->wep_keys[i], erq->length); + + exit: + DBFEXIT; + return err; +} + +static int p80211wext_siwencode(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *erq, char *key) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211msg_dot11req_mibset_t msg; + p80211item_pstr32_t pstr; + + int err = 0; + int result = 0; + int enable = 0; + int i; + + DBFENTER; + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + /* Check the Key index first. */ + if((i = (erq->flags & IW_ENCODE_INDEX))) { + + if ((i < 1) || (i > NUM_WEPKEYS)) { + err = -EINVAL; + goto exit; + } + else + i--; + + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, i); + + if (result) { + err = -EFAULT; + goto exit; + } + else { + enable = 1; + } + + } + else { + // Do not thing when no Key Index + } + + /* Check if there is no key information in the iwconfig request */ + if((erq->flags & IW_ENCODE_NOKEY) == 0 && enable == 1) { + + /*------------------------------------------------------------ + * If there is WEP Key for setting, check the Key Information + * and then set it to the firmware. + -------------------------------------------------------------*/ + + if (erq->length > 0) { + + /* copy the key from the driver cache as the keys are read-only MIBs */ + wlandev->wep_keylens[i] = erq->length; + memcpy(wlandev->wep_keys[i], key, erq->length); + + /* Prepare data struture for p80211req_dorequest. */ + memcpy(pstr.data.data, key, erq->length); + pstr.data.len = erq->length; + + switch(i) + { + case 0: + pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0; + break; + + case 1: + pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1; + break; + + case 2: + pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2; + break; + + case 3: + pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3; + break; + + default: + err = -EINVAL; + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibset; + memcpy(&msg.mibattribute.data, &pstr, sizeof(pstr)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + } + + } + + /* Check the PrivacyInvoked flag */ + if (erq->flags & IW_ENCODE_DISABLED) { + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false); + } + else if((erq->flags & IW_ENCODE_ENABLED) || enable == 1) { + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true); + } + + if (result) { + err = -EFAULT; + goto exit; + } + + /* Check the ExcludeUnencrypted flag */ + if (erq->flags & IW_ENCODE_RESTRICTED) { + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true); + } + else if (erq->flags & IW_ENCODE_OPEN) { + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false); + } + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + + DBFEXIT; + return err; +} + +static int p80211wext_giwessid(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *data, char *essid) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + + DBFENTER; + + if (wlandev->ssid.len) { + data->length = wlandev->ssid.len; + data->flags = 1; + memcpy(essid, wlandev->ssid.data, data->length); + essid[data->length] = 0; +#if (WIRELESS_EXT < 21) + data->length++; +#endif + } else { + memset(essid, 0, sizeof(wlandev->ssid.data)); + data->length = 0; + data->flags = 0; + } + + DBFEXIT; + return 0; +} + +static int p80211wext_siwessid(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *data, char *essid) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211msg_lnxreq_autojoin_t msg; + + int result; + int err = 0; + int length = data->length; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + + if ( wlandev->hostwep & HOSTWEP_SHAREDKEY ) + msg.authtype.data = P80211ENUM_authalg_sharedkey; + else + msg.authtype.data = P80211ENUM_authalg_opensystem; + + msg.msgcode = DIDmsg_lnxreq_autojoin; + +#if (WIRELESS_EXT < 21) + if (length) length--; +#endif + + /* Trim the last '\0' to fit the SSID format */ + + if (length && essid[length-1] == '\0') { + length--; + } + + memcpy(msg.ssid.data.data, essid, length); + msg.ssid.data.len = length; + + WLAN_LOG_DEBUG(1,"autojoin_ssid for %s \n",essid); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + WLAN_LOG_DEBUG(1,"autojoin_ssid %d\n",result); + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + DBFEXIT; + return err; +} + + +static int p80211wext_siwcommit(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *data, char *essid) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + /* Auto Join */ + err = p80211wext_autojoin(wlandev); + + exit: + DBFEXIT; + return err; +} + + +static int p80211wext_giwrate(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_p2_p2MAC_p2CurrentTxRate; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + rrq->fixed = 0; /* can it change? */ + rrq->disabled = 0; + rrq->value = 0; + +#define HFA384x_RATEBIT_1 ((UINT16)1) +#define HFA384x_RATEBIT_2 ((UINT16)2) +#define HFA384x_RATEBIT_5dot5 ((UINT16)4) +#define HFA384x_RATEBIT_11 ((UINT16)8) + + switch (mibitem.data) { + case HFA384x_RATEBIT_1: + rrq->value = 1000000; + break; + case HFA384x_RATEBIT_2: + rrq->value = 2000000; + break; + case HFA384x_RATEBIT_5dot5: + rrq->value = 5500000; + break; + case HFA384x_RATEBIT_11: + rrq->value = 11000000; + break; + default: + err = -EINVAL; + } + exit: + DBFEXIT; + return err; +} + +static int p80211wext_giwrts(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + rts->value = mibitem.data; + rts->disabled = (rts->value == 2347); + rts->fixed = 1; + + exit: + DBFEXIT; + return err; +} + + +static int p80211wext_siwrts(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold; + if (rts->disabled) + mibitem.data = 2347; + else + mibitem.data = rts->value; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + DBFEXIT; + return err; +} + +static int p80211wext_giwfrag(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *frag, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold; + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + frag->value = mibitem.data; + frag->disabled = (frag->value == 2346); + frag->fixed = 1; + + exit: + DBFEXIT; + return err; +} + +static int p80211wext_siwfrag(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *frag, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibset; + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold; + + if (frag->disabled) + mibitem.data = 2346; + else + mibitem.data = frag->value; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + DBFEXIT; + return err; +} + +#endif /* WIRELESS_EXT > 8 */ + +#if WIRELESS_EXT > 10 + +#ifndef IW_RETRY_LONG +#define IW_RETRY_LONG IW_RETRY_MAX +#endif + +#ifndef IW_RETRY_SHORT +#define IW_RETRY_SHORT IW_RETRY_MIN +#endif + +static int p80211wext_giwretry(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + UINT16 shortretry, longretry, lifetime; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + shortretry = mibitem.data; + + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + longretry = mibitem.data; + + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + lifetime = mibitem.data; + + rrq->disabled = 0; + + if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { + rrq->flags = IW_RETRY_LIFETIME; + rrq->value = lifetime * 1024; + } else { + if (rrq->flags & IW_RETRY_LONG) { + rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG; + rrq->value = longretry; + } else { + rrq->flags = IW_RETRY_LIMIT; + rrq->value = shortretry; + if (shortretry != longretry) + rrq->flags |= IW_RETRY_SHORT; + } + } + + exit: + DBFEXIT; + return err; + +} + +static int p80211wext_siwretry(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + if (rrq->disabled) { + err = -EINVAL; + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibset; + + if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) { + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime; + mibitem.data = rrq->value /= 1024; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + } else { + if (rrq->flags & IW_RETRY_LONG) { + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit; + mibitem.data = rrq->value; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + } + + if (rrq->flags & IW_RETRY_SHORT) { + mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit; + mibitem.data = rrq->value; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + } + } + + exit: + DBFEXIT; + return err; + +} + +#endif /* WIRELESS_EXT > 10 */ + +#if WIRELESS_EXT > 9 +static int p80211wext_siwtxpow(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + if (!wlan_wext_write) { + err = (-EOPNOTSUPP); + goto exit; + } + + msg.msgcode = DIDmsg_dot11req_mibset; + + switch (rrq->value) { + + case 1 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1; break; + case 2 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2; break; + case 3 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3; break; + case 4 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4; break; + case 5 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5; break; + case 6 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6; break; + case 7 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7; break; + case 8 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break; + default: mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break; + } + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + exit: + DBFEXIT; + return err; +} + +static int p80211wext_giwtxpow(netdevice_t *dev, + struct iw_request_info *info, + struct iw_param *rrq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211item_uint32_t mibitem; + p80211msg_dot11req_mibset_t msg; + int result; + int err = 0; + + DBFENTER; + + msg.msgcode = DIDmsg_dot11req_mibget; + mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel; + + memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem)); + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + + if (result) { + err = -EFAULT; + goto exit; + } + + memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem)); + + // XXX handle OFF by setting disabled = 1; + + rrq->flags = 0; // IW_TXPOW_DBM; + rrq->disabled = 0; + rrq->fixed = 0; + rrq->value = mibitem.data; + + exit: + DBFEXIT; + return err; +} +#endif /* WIRELESS_EXT > 9 */ + +static int p80211wext_siwspy(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *srq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct sockaddr address[IW_MAX_SPY]; + int number = srq->length; + int i; + + DBFENTER; + + /* Copy the data from the input buffer */ + memcpy(address, extra, sizeof(struct sockaddr)*number); + + wlandev->spy_number = 0; + + if (number > 0) { + + /* extract the addresses */ + for (i = 0; i < number; i++) { + + memcpy(wlandev->spy_address[i], address[i].sa_data, ETH_ALEN); + } + + /* reset stats */ + memset(wlandev->spy_stat, 0, sizeof(struct iw_quality) * IW_MAX_SPY); + + /* set number of addresses */ + wlandev->spy_number = number; + } + + DBFEXIT; + return 0; +} + +/* jkriegl: from orinoco, modified */ +static int p80211wext_giwspy(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *srq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + + struct sockaddr address[IW_MAX_SPY]; + struct iw_quality spy_stat[IW_MAX_SPY]; + int number; + int i; + + DBFENTER; + + number = wlandev->spy_number; + + if (number > 0) { + + /* populate address and spy struct's */ + for (i = 0; i < number; i++) { + memcpy(address[i].sa_data, wlandev->spy_address[i], ETH_ALEN); + address[i].sa_family = AF_UNIX; + memcpy(&spy_stat[i], &wlandev->spy_stat[i], sizeof(struct iw_quality)); + } + + /* reset update flag */ + for (i=0; i < number; i++) + wlandev->spy_stat[i].updated = 0; + } + + /* push stuff to user space */ + srq->length = number; + memcpy(extra, address, sizeof(struct sockaddr)*number); + memcpy(extra+sizeof(struct sockaddr)*number, spy_stat, sizeof(struct iw_quality)*number); + + DBFEXIT; + return 0; +} + +static int prism2_result2err (int prism2_result) +{ + int err = 0; + + switch (prism2_result) { + case P80211ENUM_resultcode_invalid_parameters: + err = -EINVAL; + break; + case P80211ENUM_resultcode_implementation_failure: + err = -EIO; + break; + case P80211ENUM_resultcode_not_supported: + err = -EOPNOTSUPP; + break; + default: + err = 0; + break; + } + + return err; +} + +#if WIRELESS_EXT > 13 +static int p80211wext_siwscan(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *srq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211msg_dot11req_scan_t msg; + int result; + int err = 0; + int i = 0; + + DBFENTER; + + if (wlandev->macmode == WLAN_MACMODE_ESS_AP) { + WLAN_LOG_ERROR("Can't scan in AP mode\n"); + err = (-EOPNOTSUPP); + goto exit; + } + + memset(&msg, 0x00, sizeof(p80211msg_dot11req_scan_t)); + msg.msgcode = DIDmsg_dot11req_scan; + msg.bsstype.data = P80211ENUM_bsstype_any; + + memset(&(msg.bssid.data), 0xFF, sizeof (p80211item_pstr6_t)); + msg.bssid.data.len = 6; + + msg.scantype.data = P80211ENUM_scantype_active; + msg.probedelay.data = 0; + + for (i = 1; i <= 14; i++) + msg.channellist.data.data[i-1] = i; + msg.channellist.data.len = 14; + + msg.maxchanneltime.data = 250; + msg.minchanneltime.data = 200; + + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + if (result) + err = prism2_result2err (msg.resultcode.data); + + exit: + DBFEXIT; + return err; +} + + +/* Helper to translate scan into Wireless Extensions scan results. + * Inspired by the prism54 code, which was in turn inspired by the + * airo driver code. + */ +static char * +wext_translate_bss(struct iw_request_info *info, char *current_ev, + char *end_buf, p80211msg_dot11req_scan_results_t *bss) +{ + struct iw_event iwe; /* Temporary buffer */ + + /* The first entry must be the MAC address */ + memcpy(iwe.u.ap_addr.sa_data, bss->bssid.data.data, WLAN_BSSID_LEN); + iwe.u.ap_addr.sa_family = ARPHRD_ETHER; + iwe.cmd = SIOCGIWAP; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN); + + /* The following entries will be displayed in the same order we give them */ + + /* The ESSID. */ + if (bss->ssid.data.len > 0) { + char essid[IW_ESSID_MAX_SIZE + 1]; + int size; + + size = wlan_min(IW_ESSID_MAX_SIZE, bss->ssid.data.len); + memset(&essid, 0, sizeof (essid)); + memcpy(&essid, bss->ssid.data.data, size); + WLAN_LOG_DEBUG(1, " essid size = %d\n", size); + iwe.u.data.length = size; + iwe.u.data.flags = 1; + iwe.cmd = SIOCGIWESSID; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, &essid[0]); + WLAN_LOG_DEBUG(1, " essid size OK.\n"); + } + + switch (bss->bsstype.data) { + case P80211ENUM_bsstype_infrastructure: + iwe.u.mode = IW_MODE_MASTER; + break; + + case P80211ENUM_bsstype_independent: + iwe.u.mode = IW_MODE_ADHOC; + break; + + default: + iwe.u.mode = 0; + break; + } + iwe.cmd = SIOCGIWMODE; + if (iwe.u.mode) + current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_UINT_LEN); + + /* Encryption capability */ + if (bss->privacy.data == P80211ENUM_truth_true) + iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; + else + iwe.u.data.flags = IW_ENCODE_DISABLED; + iwe.u.data.length = 0; + iwe.cmd = SIOCGIWENCODE; + current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, NULL); + + /* Add frequency. (short) bss->channel is the frequency in MHz */ + iwe.u.freq.m = bss->dschannel.data; + iwe.u.freq.e = 0; + iwe.cmd = SIOCGIWFREQ; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN); + + /* Add quality statistics */ + iwe.u.qual.level = bss->signal.data; + iwe.u.qual.noise = bss->noise.data; + /* do a simple SNR for quality */ + iwe.u.qual.qual = qual_as_percent(bss->signal.data - bss->noise.data); + iwe.cmd = IWEVQUAL; + current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN); + + return current_ev; +} + + +static int p80211wext_giwscan(netdevice_t *dev, + struct iw_request_info *info, + struct iw_point *srq, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + p80211msg_dot11req_scan_results_t msg; + int result = 0; + int err = 0; + int i = 0; + int scan_good = 0; + char *current_ev = extra; + + DBFENTER; + + /* Since wireless tools doesn't really have a way of passing how + * many scan results results there were back here, keep grabbing them + * until we fail. + */ + do { + memset(&msg, 0, sizeof(msg)); + msg.msgcode = DIDmsg_dot11req_scan_results; + msg.bssindex.data = i; + + result = p80211req_dorequest(wlandev, (UINT8*)&msg); + if ((result != 0) || + (msg.resultcode.data != P80211ENUM_resultcode_success)) { + break; + } + + current_ev = wext_translate_bss(info, current_ev, extra + IW_SCAN_MAX_DATA, &msg); + scan_good = 1; + i++; + } while (i < IW_MAX_AP); + + srq->length = (current_ev - extra); + srq->flags = 0; /* todo */ + + if (result && !scan_good) + err = prism2_result2err (msg.resultcode.data); + + DBFEXIT; + return err; +} +#endif + +/*****************************************************/ +//extra wireless extensions stuff to support NetworkManager (I hope) + +#if WIRELESS_EXT > 17 +/* SIOCSIWENCODEEXT */ +static int p80211wext_set_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + p80211msg_dot11req_mibset_t msg; + p80211item_pstr32_t *pstr; + + int result = 0; + struct iw_point *encoding = &wrqu->encoding; + int idx = encoding->flags & IW_ENCODE_INDEX; + + WLAN_LOG_DEBUG(1,"set_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len); + + + if ( ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY ) { + // set default key ? I'm not sure if this the the correct thing to do here + + if ( idx ) { + if (idx < 1 || idx > NUM_WEPKEYS) { + return -EINVAL; + } else + idx--; + } + WLAN_LOG_DEBUG(1,"setting default key (%d)\n",idx); + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, idx); + if ( result ) + return -EFAULT; + } + + + if ( ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY ) { + if ( ! ext->alg & IW_ENCODE_ALG_WEP) { + WLAN_LOG_DEBUG(1,"asked to set a non wep key :("); + return -EINVAL; + } + if (idx) { + if (idx <1 || idx > NUM_WEPKEYS) + return -EINVAL; + else + idx--; + } + WLAN_LOG_DEBUG(1,"Set WEP key (%d)\n",idx); + wlandev->wep_keylens[idx] = ext->key_len; + memcpy(wlandev->wep_keys[idx], ext->key, ext->key_len); + + memset( &msg,0,sizeof(msg)); + pstr = (p80211item_pstr32_t*)&msg.mibattribute.data; + memcpy(pstr->data.data, ext->key,ext->key_len); + pstr->data.len = ext->key_len; + switch (idx) { + case 0: + pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0; + break; + case 1: + pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1; + break; + case 2: + pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2; + break; + case 3: + pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3; + break; + default: + break; + } + msg.msgcode = DIDmsg_dot11req_mibset; + result = p80211req_dorequest(wlandev,(UINT8*)&msg); + WLAN_LOG_DEBUG(1,"result (%d)\n",result); + } + return result; +} + +/* SIOCGIWENCODEEXT */ +static int p80211wext_get_encodeext(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) + +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + + struct iw_point *encoding = &wrqu->encoding; + int result = 0; + int max_len; + int idx; + + DBFENTER; + + WLAN_LOG_DEBUG(1,"get_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len); + + + max_len = encoding->length - sizeof(*ext); + if ( max_len <= 0) { + WLAN_LOG_DEBUG(1,"get_encodeext max_len [%d] invalid\n",max_len); + result = -EINVAL; + goto exit; + } + idx = encoding->flags & IW_ENCODE_INDEX; + + WLAN_LOG_DEBUG(1,"get_encode_ext index [%d]\n",idx); + + if (idx) { + if (idx < 1 || idx > NUM_WEPKEYS ) { + WLAN_LOG_DEBUG(1,"get_encode_ext invalid key index [%d]\n",idx); + result = -EINVAL; + goto exit; + } + idx--; + } else { + /* default key ? not sure what to do */ + /* will just use key[0] for now ! FIX ME */ + } + + encoding->flags = idx + 1; + memset(ext,0,sizeof(*ext)); + + ext->alg = IW_ENCODE_ALG_WEP; + ext->key_len = wlandev->wep_keylens[idx]; + memcpy( ext->key, wlandev->wep_keys[idx] , ext->key_len ); + + encoding->flags |= IW_ENCODE_ENABLED; +exit: + DBFEXIT; + + return result; +} + + +/* SIOCSIWAUTH */ +static int p80211_wext_set_iwauth (struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct iw_param *param = &wrqu->param; + int result =0; + + WLAN_LOG_DEBUG(1,"set_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX ); + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_DROP_UNENCRYPTED: + WLAN_LOG_DEBUG(1,"drop_unencrypted %d\n",param->value); + if (param->value) + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true); + else + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false); + break; + + case IW_AUTH_PRIVACY_INVOKED: + WLAN_LOG_DEBUG(1,"privacy invoked %d\n",param->value); + if ( param->value) + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true); + else + result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false); + + break; + + case IW_AUTH_80211_AUTH_ALG: + if ( param->value & IW_AUTH_ALG_OPEN_SYSTEM ) { + WLAN_LOG_DEBUG(1,"set open_system\n"); + wlandev->hostwep &= ~HOSTWEP_SHAREDKEY; + } else if ( param->value & IW_AUTH_ALG_SHARED_KEY) { + WLAN_LOG_DEBUG(1,"set shared key\n"); + wlandev->hostwep |= HOSTWEP_SHAREDKEY; + } else { + /* don't know what to do know :( */ + WLAN_LOG_DEBUG(1,"unknown AUTH_ALG (%d)\n",param->value); + result = -EINVAL; + } + break; + + default: + break; + } + + + + return result; +} + +/* SIOCSIWAUTH */ +static int p80211_wext_get_iwauth (struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + struct iw_param *param = &wrqu->param; + int result =0; + + WLAN_LOG_DEBUG(1,"get_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX ); + + switch (param->flags & IW_AUTH_INDEX) { + case IW_AUTH_DROP_UNENCRYPTED: + param->value = wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED?1:0; + break; + + case IW_AUTH_PRIVACY_INVOKED: + param->value = wlandev->hostwep & HOSTWEP_PRIVACYINVOKED?1:0; + break; + + case IW_AUTH_80211_AUTH_ALG: + param->value = wlandev->hostwep & HOSTWEP_SHAREDKEY?IW_AUTH_ALG_SHARED_KEY:IW_AUTH_ALG_OPEN_SYSTEM; + break; + + + default: + break; + } + + + + return result; +} + + +#endif + + + + + + +/*****************************************************/ + + + + + +/* +typedef int (*iw_handler)(netdevice_t *dev, struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); +*/ + +#if WIRELESS_EXT > 12 +static iw_handler p80211wext_handlers[] = { + (iw_handler) p80211wext_siwcommit, /* SIOCSIWCOMMIT */ + (iw_handler) p80211wext_giwname, /* SIOCGIWNAME */ + (iw_handler) NULL, /* SIOCSIWNWID */ + (iw_handler) NULL, /* SIOCGIWNWID */ + (iw_handler) p80211wext_siwfreq, /* SIOCSIWFREQ */ + (iw_handler) p80211wext_giwfreq, /* SIOCGIWFREQ */ + (iw_handler) p80211wext_siwmode, /* SIOCSIWMODE */ + (iw_handler) p80211wext_giwmode, /* SIOCGIWMODE */ + (iw_handler) NULL, /* SIOCSIWSENS */ + (iw_handler) NULL, /* SIOCGIWSENS */ + (iw_handler) NULL, /* not used */ /* SIOCSIWRANGE */ + (iw_handler) p80211wext_giwrange, /* SIOCGIWRANGE */ + (iw_handler) NULL, /* not used */ /* SIOCSIWPRIV */ + (iw_handler) NULL, /* kernel code */ /* SIOCGIWPRIV */ + (iw_handler) NULL, /* not used */ /* SIOCSIWSTATS */ + (iw_handler) NULL, /* kernel code */ /* SIOCGIWSTATS */ + (iw_handler) p80211wext_siwspy, /* SIOCSIWSPY */ + (iw_handler) p80211wext_giwspy, /* SIOCGIWSPY */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* SIOCSIWAP */ + (iw_handler) p80211wext_giwap, /* SIOCGIWAP */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* SIOCGIWAPLIST */ +#if WIRELESS_EXT > 13 + (iw_handler) p80211wext_siwscan, /* SIOCSIWSCAN */ + (iw_handler) p80211wext_giwscan, /* SIOCGIWSCAN */ +#else /* WIRELESS_EXT > 13 */ + (iw_handler) NULL, /* null */ /* SIOCSIWSCAN */ + (iw_handler) NULL, /* null */ /* SIOCGIWSCAN */ +#endif /* WIRELESS_EXT > 13 */ + (iw_handler) p80211wext_siwessid, /* SIOCSIWESSID */ + (iw_handler) p80211wext_giwessid, /* SIOCGIWESSID */ + (iw_handler) NULL, /* SIOCSIWNICKN */ + (iw_handler) p80211wext_giwessid, /* SIOCGIWNICKN */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* SIOCSIWRATE */ + (iw_handler) p80211wext_giwrate, /* SIOCGIWRATE */ + (iw_handler) p80211wext_siwrts, /* SIOCSIWRTS */ + (iw_handler) p80211wext_giwrts, /* SIOCGIWRTS */ + (iw_handler) p80211wext_siwfrag, /* SIOCSIWFRAG */ + (iw_handler) p80211wext_giwfrag, /* SIOCGIWFRAG */ + (iw_handler) p80211wext_siwtxpow, /* SIOCSIWTXPOW */ + (iw_handler) p80211wext_giwtxpow, /* SIOCGIWTXPOW */ + (iw_handler) p80211wext_siwretry, /* SIOCSIWRETRY */ + (iw_handler) p80211wext_giwretry, /* SIOCGIWRETRY */ + (iw_handler) p80211wext_siwencode, /* SIOCSIWENCODE */ + (iw_handler) p80211wext_giwencode, /* SIOCGIWENCODE */ + (iw_handler) NULL, /* SIOCSIWPOWER */ + (iw_handler) NULL, /* SIOCGIWPOWER */ +#if WIRELESS_EXT > 17 +/* WPA operations */ + + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* -- hole -- */ + (iw_handler) NULL, /* SIOCSIWGENIE set generic IE */ + (iw_handler) NULL, /* SIOCGIWGENIE get generic IE */ + (iw_handler) p80211_wext_set_iwauth, /* SIOCSIWAUTH set authentication mode params */ + (iw_handler) p80211_wext_get_iwauth, /* SIOCGIWAUTH get authentication mode params */ + + (iw_handler) p80211wext_set_encodeext, /* SIOCSIWENCODEEXT set encoding token & mode */ + (iw_handler) p80211wext_get_encodeext, /* SIOCGIWENCODEEXT get encoding token & mode */ + (iw_handler) NULL, /* SIOCSIWPMKSA PMKSA cache operation */ +#endif +}; + +struct iw_handler_def p80211wext_handler_def = { + .num_standard = sizeof(p80211wext_handlers) / sizeof(iw_handler), + .num_private = 0, + .num_private_args = 0, + .standard = p80211wext_handlers, + .private = NULL, + .private_args = NULL, +#if WIRELESS_EXT > 16 + .get_wireless_stats = p80211wext_get_wireless_stats +#endif +}; + +#endif + +/* wireless extensions' ioctls */ +int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd) +{ + wlandevice_t *wlandev = (wlandevice_t*)dev->priv; + +#if WIRELESS_EXT < 13 + struct iwreq *iwr = (struct iwreq*)ifr; +#endif + + p80211item_uint32_t mibitem; + int err = 0; + + DBFENTER; + + mibitem.status = P80211ENUM_msgitem_status_data_ok; + + if ( wlandev->msdstate != WLAN_MSD_RUNNING ) { + err = -ENODEV; + goto exit; + } + + WLAN_LOG_DEBUG(1, "Received wireless extension ioctl #%d.\n", cmd); + + switch (cmd) { +#if WIRELESS_EXT < 13 + case SIOCSIWNAME: /* unused */ + err = (-EOPNOTSUPP); + break; + case SIOCGIWNAME: /* get name == wireless protocol */ + err = p80211wext_giwname(dev, NULL, (char *) &iwr->u, NULL); + break; + case SIOCSIWNWID: + case SIOCGIWNWID: + err = (-EOPNOTSUPP); + break; + case SIOCSIWFREQ: /* set channel */ + err = p80211wext_siwfreq(dev, NULL, &(iwr->u.freq), NULL); + break; + case SIOCGIWFREQ: /* get channel */ + err = p80211wext_giwfreq(dev, NULL, &(iwr->u.freq), NULL); + break; + case SIOCSIWRANGE: + case SIOCSIWPRIV: + case SIOCSIWAP: /* set access point MAC addresses (BSSID) */ + err = (-EOPNOTSUPP); + break; + + case SIOCGIWAP: /* get access point MAC addresses (BSSID) */ + err = p80211wext_giwap(dev, NULL, &(iwr->u.ap_addr), NULL); + break; + +#if WIRELESS_EXT > 8 + case SIOCSIWMODE: /* set operation mode */ + case SIOCSIWESSID: /* set SSID (network name) */ + case SIOCSIWRATE: /* set default bit rate (bps) */ + err = (-EOPNOTSUPP); + break; + + case SIOCGIWMODE: /* get operation mode */ + err = p80211wext_giwmode(dev, NULL, &iwr->u.mode, NULL); + + break; + case SIOCGIWNICKN: /* get node name/nickname */ + case SIOCGIWESSID: /* get SSID */ + if(iwr->u.essid.pointer) { + char ssid[IW_ESSID_MAX_SIZE+1]; + memset(ssid, 0, sizeof(ssid)); + + err = p80211wext_giwessid(dev, NULL, &iwr->u.essid, ssid); + if(copy_to_user(iwr->u.essid.pointer, ssid, sizeof(ssid))) + err = (-EFAULT); + } + break; + case SIOCGIWRATE: + err = p80211wext_giwrate(dev, NULL, &iwr->u.bitrate, NULL); + break; + case SIOCGIWRTS: + err = p80211wext_giwrts(dev, NULL, &iwr->u.rts, NULL); + break; + case SIOCGIWFRAG: + err = p80211wext_giwfrag(dev, NULL, &iwr->u.rts, NULL); + break; + case SIOCGIWENCODE: + if (!capable(CAP_NET_ADMIN)) + err = -EPERM; + else if (iwr->u.encoding.pointer) { + char keybuf[MAX_KEYLEN]; + err = p80211wext_giwencode(dev, NULL, + &iwr->u.encoding, keybuf); + if (copy_to_user(iwr->u.encoding.pointer, keybuf, + iwr->u.encoding.length)) + err = -EFAULT; + } + break; + case SIOCGIWAPLIST: + case SIOCSIWRTS: + case SIOCSIWFRAG: + case SIOCSIWSENS: + case SIOCGIWSENS: + case SIOCSIWNICKN: /* set node name/nickname */ + case SIOCSIWENCODE: /* set encoding token & mode */ + case SIOCSIWSPY: + case SIOCGIWSPY: + case SIOCSIWPOWER: + case SIOCGIWPOWER: + case SIOCGIWPRIV: + err = (-EOPNOTSUPP); + break; + case SIOCGIWRANGE: + if(iwr->u.data.pointer != NULL) { + struct iw_range range; + err = p80211wext_giwrange(dev, NULL, &iwr->u.data, + (char *) &range); + /* Push that up to the caller */ + if (copy_to_user(iwr->u.data.pointer, &range, sizeof(range))) + err = -EFAULT; + } + break; +#endif /* WIRELESS_EXT > 8 */ +#if WIRELESS_EXT > 9 + case SIOCSIWTXPOW: + err = (-EOPNOTSUPP); + break; + case SIOCGIWTXPOW: + err = p80211wext_giwtxpow(dev, NULL, &iwr->u.txpower, NULL); + break; +#endif /* WIRELESS_EXT > 9 */ +#if WIRELESS_EXT > 10 + case SIOCSIWRETRY: + err = (-EOPNOTSUPP); + break; + case SIOCGIWRETRY: + err = p80211wext_giwretry(dev, NULL, &iwr->u.retry, NULL); + break; +#endif /* WIRELESS_EXT > 10 */ + +#endif /* WIRELESS_EXT <= 12 */ + + default: + err = (-EOPNOTSUPP); + break; + } + + exit: + DBFEXIT; + return (err); +} + +int p80211wext_event_associated(wlandevice_t *wlandev, int assoc) +{ + union iwreq_data data; + + DBFENTER; + +#if WIRELESS_EXT > 13 + /* Send the association state first */ + data.ap_addr.sa_family = ARPHRD_ETHER; + if (assoc) { + memcpy(data.ap_addr.sa_data, wlandev->bssid, WLAN_ADDR_LEN); + } else { + memset(data.ap_addr.sa_data, 0, WLAN_ADDR_LEN); + } + + if (wlan_wext_write) + wireless_send_event(wlandev->netdev, SIOCGIWAP, &data, NULL); + + if (!assoc) goto done; + + // XXX send association data, like IEs, etc etc. +#endif + done: + DBFEXIT; + return 0; +} + + +#endif /* compatibility to wireless extensions */ + + + + diff --git a/drivers/staging/wlan-ng/prism2_cs.c b/drivers/staging/wlan-ng/prism2_cs.c new file mode 100644 index 000000000000..63ce5659f21a --- /dev/null +++ b/drivers/staging/wlan-ng/prism2_cs.c @@ -0,0 +1,1487 @@ +#define WLAN_HOSTIF WLAN_PCMCIA +#include "hfa384x.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,21) ) +#if (WLAN_CPU_FAMILY == WLAN_Ix86) +#ifndef CONFIG_ISA +#warning "You may need to enable ISA support in your kernel." +#endif +#endif +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) +static u_int irq_mask = 0xdeb8; /* Interrupt mask */ +static int irq_list[4] = { -1 }; /* Interrupt list */ +#endif +static u_int prism2_ignorevcc=1; /* Boolean, if set, we + * ignore what the Vcc + * is set to and what the CIS + * says. + */ +module_param( prism2_ignorevcc, int, 0644); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,9)) +static int numlist = 4; +module_param_array(irq_list, int, numlist, 0444); +#else +module_param_array(irq_list, int, NULL, 0444); +#endif +module_param( irq_mask, int, 0644); +#endif + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) +static int prism2_cs_suspend(struct pcmcia_device *pdev); +static int prism2_cs_resume(struct pcmcia_device *pdev); +static void prism2_cs_remove(struct pcmcia_device *pdev); +static int prism2_cs_probe(struct pcmcia_device *pdev); +#else +dev_link_t *prism2sta_attach(void); +static void prism2sta_detach(dev_link_t *link); +static void prism2sta_config(dev_link_t *link); +static void prism2sta_release(u_long arg); +static int prism2sta_event (event_t event, int priority, event_callback_args_t *args); + +static dev_link_t *dev_list = NULL; /* head of instance list */ +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) +/*---------------------------------------------------------------- +* cs_error +* +* Utility function to print card services error messages. +* +* Arguments: +* handle client handle identifying this CS client +* func CS function number that generated the error +* ret CS function return code +* +* Returns: +* nothing +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +static void cs_error(client_handle_t handle, int func, int ret) +{ +#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911)) + CardServices(ReportError, dev_info, (void *)func, (void *)ret); +#else + error_info_t err = { func, ret }; + pcmcia_report_error(handle, &err); +#endif +} +#else // kernel_version + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) +static struct pcmcia_device_id prism2_cs_ids[] = { + PCMCIA_DEVICE_PROD_ID12("INTERSIL", "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18), // Intersil PRISM2 Reference Design 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), // Compaq WL100/200 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), // Compaq iPaq HNW-100 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), // Samsung SWL2000-N 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), // Z-Com XI300 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), // ZoomAir 4100 11Mb/s 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("Instant Wireless ", " Network PC CARD", "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), // Linksys WPC11 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("Addtron", "AWP-100 Wireless PCMCIA", "Version 01.02", 0xe6ec52ce, 0x8649af2, 0x4b74baa0), // Addtron AWP-100 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("D", "Link DWL-650 11Mbps WLAN Card", "Version 01.02", 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), // D-Link DWL-650 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("SMC", "SMC2632W", "Version 01.02", 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), // SMC 2632W 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID1234("Intersil", "PRISM 2_5 PCMCIA ADAPTER", "ISL37300P", "Eval-RevA", 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e), // BroMax Freeport 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_PROD_ID123("U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", 0xc7b8df9d, 0x1700d087, 0x4b74baa0), // U.S. Robotics IEEE 802.11b PC-CARD + PCMCIA_DEVICE_PROD_ID12("Digital Data Communications", "WPC-0100", 0xfdd73470, 0xe0b6f146), // Level-One WPC-0100 + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCC-11", 0x5261440f, 0xa6405584), // corega K.K. Wireless LAN PCC-11 + PCMCIA_DEVICE_PROD_ID12("corega K.K.", "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9), // corega K.K. Wireless LAN PCCA-11 + PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), // CONTEC FLEXSCAN/FX-DDS110-PCC + PCMCIA_DEVICE_PROD_ID12("PLANEX", "GeoWave/GW-NS110", 0x209f40ab, 0x46263178), // PLANEX GeoWave/GW-NS110 + PCMCIA_DEVICE_PROD_ID123("OEM", "PRISM2 IEEE 802.11 PC-Card", "Version 01.02", 0xfea54c90, 0x48f2bdd6, 0x4b74baa0), // Ambicom WL1100 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("LeArtery", "SYNCBYAIR 11Mbps Wireless LAN PC Card", "Version 01.02", 0x7e3b326a, 0x49893e92, 0x4b74baa0), // LeArtery SYNCBYAIR 11Mbps 802.11b WLAN Card +PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), // Intermec MobileLAN 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID123("NETGEAR MA401 Wireless PC", "Card", "Version 01.00", 0xa37434e9, 0x9762e8f1, 0xa57adb8c), // NETGEAR MA401 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID1234("Intersil", "PRISM Freedom PCMCIA Adapter", "ISL37100P", "Eval-RevA", 0x4b801a17, 0xf222ec2d, 0x630d52b2, 0xc23adc0e), // Intersil PRISM Freedom 11mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID123("OTC", "Wireless AirEZY 2411-PCC WLAN Card", "Version 01.02", 0x4ac44287, 0x235a6bed, 0x4b74baa0), // OTC Wireless AirEZY 2411-PCC 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID1234("802.11", "11Mbps Wireless LAN Card", "v08C1", "" , 0xb67a610e, 0x655aa7b7, 0x264b451a, 0x0), // Dynalink L11HDT 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), // Dynalink L11HDT 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_PROD_ID12("PROXIM", "RangeLAN-DS/LAN PC CARD", 0xc6536a5e, 0x3f35797d), // PROXIM RangeLAN-DS/LAN PC CARD + PCMCIA_DEVICE_PROD_ID1234("ACTIONTEC", "PRISM Wireless LAN PC Card", "0381", "RevA", 0x393089da, 0xa71e69d5, 0x90471fa9, 0x57a66194), // ACTIONTEC PRISM Wireless LAN PC Card + PCMCIA_DEVICE_MANF_CARD(0x1668, 0x0101), // ACTIONTEC PRISM Wireless LAN PC Card + PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3), // 3Com AirConnect 3CRWE737A + PCMCIA_DEVICE_PROD_ID12("3Com", "3CRWE777A AirConnect Wireless LAN PCI Card" , 0x41240e5b, 0xafc7c33e), // 3Com AirConnect 3CRWE777A + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842), // ASUS WL-100 802.11b WLAN PC Card + PCMCIA_DEVICE_PROD_ID12("ASUS", "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e), // ASUS WL-110 802.11b WLAN CF Card + PCMCIA_DEVICE_PROD_ID12("BUFFALO", "WLI-CF-S11G", 0x2decece3, 0x82067c18), // BUFFALO WLI-CF-S11G 802.11b WLAN Card + PCMCIA_DEVICE_PROD_ID1234("The Linksys Group, Inc.", "Wireless Network CF Card", "ISL37300P", "RevA", 0xa5f472c2, 0x9c05598d, 0xc9049a39, 0x57a66194), // Linksys WCF11 11Mbps 802.11b WLAN Card (Prism 2.5) + PCMCIA_DEVICE_PROD_ID1234("Linksys", "Wireless CompactFlash Card", "", "", 0x733cc81, 0xc52f395, 0x0, 0x0), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3) + PCMCIA_DEVICE_PROD_ID1234("NETGEAR MA401RA Wireless PC", "Card", "ISL37300P", "Eval-RevA", 0x306467f, 0x9762e8f1, 0xc9049a39, 0xc23adc0e), // NETGEAR MA401RA 11Mbps 802.11 WLAN Card + PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), // D-Link DCF-660W 11Mbps 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), // Microsoft Wireless Notebook Adapter MN-520 + PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), // AnyPoint(TM) Wireless II PC Card + PCMCIA_DEVICE_PROD_ID1234("D", "Link DRC-650 11Mbps WLAN Card", "Version 01.02", "" , 0x71b18589, 0xf144e3ac, 0x4b74baa0, 0x0), // D-Link DRC-650 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), // Adaptec AWN-8030 + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7110), // D-Link DWL-650 rev P 802.11b WLAN card + // PCMCIA_DEVICE_PROD_ID1234("D-Link", "DWL-650 Wireless PC Card RevP", "ISL37101P-10", "A3", 0x1a424a1c, 0x6ea57632, 0xdd97a26b, 0x56b21f52), // D-Link DWL-650 rev P 802.11b WLAN card + PCMCIA_DEVICE_PROD_ID123("INTERSIL", "I-GATE 11M PC Card / PC Card plus", "Version 01.02", 0x74c5e40d, 0x8304ff77, 0x4b74baa0), // I-Gate 11M PC Card + PCMCIA_DEVICE_PROD_ID1234("BENQ", "AWL100 PCMCIA ADAPTER", "ISL37300P", "Eval-RevA", 0x35dadc74, 0x1f7fedb, 0xc9049a39, 0xc23adc0e), // benQ AWL100 802.11b WLAN Card + PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), // benQ AWL100 802.11b WLAN Card + // PCMCIA_DEVICE_PROD_ID1("INTERSIL", 0x74c5e40d), // Intersil Prism 2 card + // PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), // Intersil Prism 2 card + + PCMCIA_DEVICE_NULL +}; + +MODULE_DEVICE_TABLE(pcmcia, prism2_cs_ids); +#endif + +static struct pcmcia_driver prism2_cs_driver = { + .drv = { + .name = "prism2_cs", + }, + .owner = THIS_MODULE, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) + .suspend = prism2_cs_suspend, + .resume = prism2_cs_resume, + .remove = prism2_cs_remove, + .probe = prism2_cs_probe, + .id_table = prism2_cs_ids, +#else + .attach = prism2sta_attach, + .detach = prism2sta_detach, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12) + .id_table = prism2_cs_ids, + .event = prism2sta_event, +#endif // > 2.6.12 +#endif // <= 2.6.15 +}; +#endif /* kernel_version */ + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15) +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(pdev, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +static void prism2_cs_remove(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; +#else + wlandev = link->priv; +#endif + + if (wlandev) { + p80211netdev_hwremoved(wlandev); + unregister_wlandev(wlandev); + wlan_unsetup(wlandev); + if (wlandev->priv) { + hfa384x_t *hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + kfree(wlandev); + } + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->priv = NULL; + pcmcia_disable_device(pdev); +#else + if (link->state & DEV_CONFIG) { + if (link->win) + pcmcia_release_window(link->win); + pcmcia_release_configuration(link->handle); + if (link->io.NumPorts1) + pcmcia_release_io(link->handle, &link->io); + if (link->irq.AssignedIRQ) + pcmcia_release_irq(link->handle, &link->irq); + + link->state &= ~DEV_CONFIG; + } + + link->priv = NULL; + kfree(link); +#endif + + DBFEXIT; + return; +} + +static int prism2_cs_suspend(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); +#else + wlandev = link->priv; + + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + pcmcia_release_configuration(link->handle); + } +#endif + + DBFEXIT; + + return 0; +} + +static int prism2_cs_resume(struct pcmcia_device *pdev) +{ + struct wlandevice *wlandev; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link = dev_to_instance(pdev); +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev = pdev->priv; + // XXX do something here? +#else + wlandev = link->priv; + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + // XXX do something here? + } +#endif + + + DBFEXIT; + + return 0; +} + +static int prism2_cs_probe(struct pcmcia_device *pdev) +{ + int rval = 0; + struct wlandevice *wlandev = NULL; + hfa384x_t *hw = NULL; + + config_info_t socketconf; + cisparse_t *parse = NULL; + tuple_t tuple; + uint8_t buf[64]; + int last_fn, last_ret; + cistpl_cftable_entry_t dflt = { 0 }; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + dev_link_t *link; +#endif + + DBFENTER; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + /* Set up interrupt type */ + pdev->conf.IntType = INT_MEMORY_AND_IO; +#else + link = kmalloc(sizeof(dev_link_t), GFP_KERNEL); + if (link == NULL) + return -ENOMEM; + memset(link, 0, sizeof(dev_link_t)); + + link->conf.Vcc = 33; + link->conf.IntType = INT_MEMORY_AND_IO; + + link->handle = pdev; + pdev->instance = link; + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + +#endif + + // VCC crap? + parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL); + + wlandev = create_wlan(); + if (!wlandev || !parse) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + rval = -EIO; + goto failed; + } + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + rval = -EIO; + goto failed; + } + + /* Initialize the hw struct for now */ + hfa384x_create(hw, 0, 0, NULL); + hw->wlandev = wlandev; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + hw->pdev = pdev; + pdev->priv = wlandev; +#else + hw->link = link; + link->priv = wlandev; +#endif + + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, parse)); +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.ConfigBase = parse->config.base; + pdev->conf.Present = parse->config.rmask[0]; +#else + link->conf.ConfigBase = parse->config.base; + link->conf.Present = parse->config.rmask[0]; + + link->conf.Vcc = socketconf.Vcc; +#endif + CS_CHECK(GetConfigurationInfo, + pcmcia_get_configuration_info(pdev, &socketconf)); + + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple)); + for (;;) { + cistpl_cftable_entry_t *cfg = &(parse->cftable_entry); + CFG_CHECK(GetTupleData, + pcmcia_get_tuple_data(pdev, &tuple)); + CFG_CHECK(ParseTuple, + pcmcia_parse_tuple(pdev, &tuple, parse)); + + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + if (cfg->index == 0) + goto next_entry; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.ConfigIndex = cfg->index; +#else + link->conf.ConfigIndex = cfg->index; +#endif + + /* Does this card need audio output? */ + if (cfg->flags & CISTPL_CFTABLE_AUDIO) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Attributes |= CONF_ENABLE_SPKR; + pdev->conf.Status = CCSR_AUDIO_ENA; +#else + link->conf.Attributes |= CONF_ENABLE_SPKR; + link->conf.Status = CCSR_AUDIO_ENA; +#endif + } + + /* Use power settings for Vcc and Vpp if present */ + /* Note that the CIS values need to be rescaled */ + if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (socketconf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / + 10000 && !prism2_ignorevcc) { + WLAN_LOG_DEBUG(1, " Vcc mismatch - skipping" + " this entry\n"); + goto next_entry; + } + } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { + if (socketconf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / + 10000 && !prism2_ignorevcc) { + WLAN_LOG_DEBUG(1, " Vcc (default) mismatch " + "- skipping this entry\n"); + goto next_entry; + } + } + + if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Vpp = + cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; +#else + link->conf.Vpp1 = link->conf.Vpp2 = + cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; +#endif + } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Vpp = + dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; +#else + link->conf.Vpp1 = link->conf.Vpp2 = + dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; +#endif + } + + /* Do we need to allocate an interrupt? */ + /* HACK: due to a bad CIS....we ALWAYS need an interrupt */ + /* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->conf.Attributes |= CONF_ENABLE_IRQ; +#else + link->conf.Attributes |= CONF_ENABLE_IRQ; +#endif + + /* IO window settings */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->io.NumPorts1 = pdev->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + pdev->io.BasePort1 = io->win[0].base; + if ( pdev->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + pdev->io.BasePort1 ); + pdev->io.BasePort1 = 0; + } + pdev->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + pdev->io.Attributes2 = pdev->io.Attributes1; + pdev->io.BasePort2 = io->win[1].base; + pdev->io.NumPorts2 = io->win[1].len; + } + } + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &pdev->io)); +#else + link->io.NumPorts1 = link->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.BasePort1 = io->win[0].base; + if ( link->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + link->io.BasePort1 ); + link->io.BasePort1 = 0; + } + link->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + link->io.Attributes2 = link->io.Attributes1; + link->io.BasePort2 = io->win[1].base; + link->io.NumPorts2 = io->win[1].len; + } + } + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &link->io)); +#endif + /* If we got this far, we're cool! */ + break; + + next_entry: + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple)); + + } + + /* Let pcmcia know the device name */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->dev_node = &hw->node; +#else + link->dev = &hw->node; +#endif + + /* Register the network device and get assigned a name */ + SET_MODULE_OWNER(wlandev->netdev); + SET_NETDEV_DEV(wlandev->netdev, &handle_to_dev(pdev)); + if (register_wlandev(wlandev) != 0) { + WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n"); + goto failed; + } + + strcpy(hw->node.dev_name, wlandev->name); + + /* Allocate an interrupt line. Note that this does not assign a */ + /* handler to the interrupt, unless the 'Handler' member of the */ + /* irq structure is initialized. */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + if (pdev->conf.Attributes & CONF_ENABLE_IRQ) { + pdev->irq.IRQInfo1 = IRQ_LEVEL_ID; + pdev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + pdev->irq.Handler = hfa384x_interrupt; + pdev->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq)); + } +#else + if (link->conf.Attributes & CONF_ENABLE_IRQ) { + link->irq.IRQInfo1 = IRQ_LEVEL_ID; + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + link->irq.Handler = hfa384x_interrupt; + link->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &link->irq)); + } +#endif + + /* This actually configures the PCMCIA socket -- setting up */ + /* the I/O windows and the interrupt mapping, and putting the */ + /* card and host interface into "Memory and IO" mode. */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf)); +#else + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &link->conf)); +#endif + + /* Fill the netdevice with this info */ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + wlandev->netdev->irq = pdev->irq.AssignedIRQ; + wlandev->netdev->base_addr = pdev->io.BasePort1; +#else + wlandev->netdev->irq = link->irq.AssignedIRQ; + wlandev->netdev->base_addr = link->io.BasePort1; +#endif + + /* And the rest of the hw structure */ + hw->irq = wlandev->netdev->irq; + hw->iobase = wlandev->netdev->base_addr; + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17) + link->state |= DEV_CONFIG; + link->state &= ~DEV_CONFIG_PENDING; +#endif + + /* And now we're done! */ + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + goto done; + + cs_failed: + cs_error(pdev, last_fn, last_ret); + +failed: + // wlandev, hw, etc etc.. +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + pdev->priv = NULL; +#else + pdev->instance = NULL; + if (link) { + link->priv = NULL; + kfree(link); + } +#endif + if (wlandev) { + wlan_unsetup(wlandev); + if (wlandev->priv) { + hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + kfree(wlandev); + } + +done: + if (parse) kfree(parse); + + DBFEXIT; + return rval; +} +#else // <= 2.6.15 +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(link->handle, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +/*---------------------------------------------------------------- +* prism2sta_attach +* +* Half of the attach/detach pair. Creates and registers a device +* instance with Card Services. In this case, it also creates the +* wlandev structure and device private structure. These are +* linked to the device instance via its priv member. +* +* Arguments: +* none +* +* Returns: +* A valid ptr to dev_link_t on success, NULL otherwise +* +* Side effects: +* +* +* Call context: +* process thread (insmod/init_module/register_pccard_driver) +----------------------------------------------------------------*/ +dev_link_t *prism2sta_attach(void) +{ + client_reg_t client_reg; + int result; + dev_link_t *link = NULL; + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + + DBFENTER; + + /* Alloc our structures */ + link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); + + if (!link || ((wlandev = create_wlan()) == NULL)) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto failed; + } + hw = wlandev->priv; + + /* Clear all the structs */ + memset(link, 0, sizeof(struct dev_link_t)); + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Initialize the hw struct for now */ + hfa384x_create(hw, 0, 0, NULL); + hw->wlandev = wlandev; + + /* Initialize the PC card device object. */ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + init_timer(&link->release); + link->release.function = &prism2sta_release; + link->release.data = (u_long)link; +#endif + link->conf.IntType = INT_MEMORY_AND_IO; + link->priv = wlandev; +#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911)) + link->irq.Instance = wlandev; +#endif + + /* Link in to the list of devices managed by this driver */ + link->next = dev_list; + dev_list = link; + + /* Register with Card Services */ + client_reg.dev_info = &dev_info; +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) + client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) ) + client_reg.EventMask = + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_REQUEST | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.event_handler = &prism2sta_event; +#endif + + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + + result = pcmcia_register_client(&link->handle, &client_reg); + if (result != 0) { + cs_error(link->handle, RegisterClient, result); + prism2sta_detach(link); + return NULL; + } + + goto done; + + failed: + if (link) kfree(link); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + link = NULL; + + done: + DBFEXIT; + return link; +} + + +/*---------------------------------------------------------------- +* prism2sta_detach +* +* Remove one of the device instances managed by this driver. +* Search the list for the given instance, +* check our flags for a waiting timer'd release call +* call release +* Deregister the instance with Card Services +* (netdevice) unregister the network device. +* unlink the instance from the list +* free the link, priv, and priv->priv memory +* Note: the dev_list variable is a driver scoped static used to +* maintain a list of device instances managed by this +* driver. +* +* Arguments: +* link ptr to the instance to detach +* +* Returns: +* nothing +* +* Side effects: +* the link structure is gone, the netdevice is gone +* +* Call context: +* Might be interrupt, don't block. +----------------------------------------------------------------*/ +void prism2sta_detach(dev_link_t *link) +{ + dev_link_t **linkp; + wlandevice_t *wlandev; + hfa384x_t *hw; + + DBFENTER; + + /* Locate prev device structure */ + for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) { + if (*linkp == link) break; + } + + if (*linkp != NULL) { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) + unsigned long flags; + /* Get rid of any timer'd release call */ + save_flags(flags); + cli(); +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + if (link->state & DEV_RELEASE_PENDING) { + del_timer_sync(&link->release); + link->state &= ~DEV_RELEASE_PENDING; + } +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) + restore_flags(flags); +#endif + + /* If link says we're still config'd, call release */ + if (link->state & DEV_CONFIG) { + prism2sta_release((u_long)link); + if (link->state & DEV_STALE_CONFIG) { + link->state |= DEV_STALE_LINK; + return; + } + } + + /* Tell Card Services we're not around any more */ + if (link->handle) { + pcmcia_deregister_client(link->handle); + } + + /* Unlink device structure, free bits */ + *linkp = link->next; + if ( link->priv != NULL ) { + wlandev = (wlandevice_t*)link->priv; + p80211netdev_hwremoved(wlandev); + if (link->dev != NULL) { + unregister_wlandev(wlandev); + } + wlan_unsetup(wlandev); + if (wlandev->priv) { + hw = wlandev->priv; + wlandev->priv = NULL; + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + } + link->priv = NULL; + kfree(wlandev); + } + kfree(link); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_config +* +* Half of the config/release pair. Usually called in response to +* a card insertion event. At this point, we _know_ there's some +* physical device present. That means we can start poking around +* at the CIS and at any device specific config data we want. +* +* Note the gotos and the macros. I recoded this once without +* them, and it got incredibly ugly. It's actually simpler with +* them. +* +* Arguments: +* link the dev_link_t structure created in attach that +* represents this device instance. +* +* Returns: +* nothing +* +* Side effects: +* Resources (irq, io, mem) are allocated +* The pcmcia dev_link->node->name is set +* (For netcards) The device structure is finished and, +* most importantly, registered. This means that there +* is now a _named_ device that can be configured from +* userland. +* +* Call context: +* May be called from a timer. Don't block! +----------------------------------------------------------------*/ +#define CS_CHECK(fn, ret) \ +do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) + +#define CFG_CHECK(fn, retf) \ +do { int ret = (retf); \ +if (ret != 0) { \ + WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \ + cs_error(link->handle, fn, ret); \ + goto next_entry; \ +} \ +} while (0) + +void prism2sta_config(dev_link_t *link) +{ + client_handle_t handle; + wlandevice_t *wlandev; + hfa384x_t *hw; + int last_fn; + int last_ret; + tuple_t tuple; + cisparse_t parse; + config_info_t socketconf; + UINT8 buf[64]; + int minVcc = 0; + int maxVcc = 0; + cistpl_cftable_entry_t dflt = { 0 }; + + DBFENTER; + + handle = link->handle; + wlandev = (wlandevice_t*)link->priv; + hw = wlandev->priv; + + /* Collect the config register info */ + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); + CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + + link->conf.ConfigBase = parse.config.base; + link->conf.Present = parse.config.rmask[0]; + + /* Configure card */ + link->state |= DEV_CONFIG; + + /* Acquire the current socket config (need Vcc setting) */ + CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &socketconf)); + + /* Loop through the config table entries until we find one that works */ + /* Assumes a complete and valid CIS */ + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); + while (1) { + cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); + CFG_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); + CFG_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); + + if (cfg->index == 0) goto next_entry; + link->conf.ConfigIndex = cfg->index; + + /* Lets print out the Vcc that the controller+pcmcia-cs set + * for us, cause that's what we're going to use. + */ + WLAN_LOG_DEBUG(1,"Initial Vcc=%d/10v\n", socketconf.Vcc); + if (prism2_ignorevcc) { + link->conf.Vcc = socketconf.Vcc; + goto skipvcc; + } + + /* Use power settings for Vcc and Vpp if present */ + /* Note that the CIS values need to be rescaled */ + if (cfg->vcc.present & (1<vcc.param[CISTPL_POWER_VNOM]/10000; + } else if (dflt.vcc.present & (1<vcc.present & (1<vcc.present & (1<vcc.param[CISTPL_POWER_VMIN]/10000; + maxVcc = cfg->vcc.param[CISTPL_POWER_VMAX]/10000; + } else if ((dflt.vcc.present & (1<= minVcc && socketconf.Vcc <= maxVcc) { + link->conf.Vcc = socketconf.Vcc; + } else { + /* [MSM]: Note that I've given up trying to change + * the Vcc if a change is indicated. It seems the + * system&socketcontroller&card vendors can't seem + * to get it right, so I'm tired of trying to hack + * my way around it. pcmcia-cs does its best using + * the voltage sense pins but sometimes the controller + * lies. Then, even if we have a good read on the VS + * pins, some system designs will silently ignore our + * requests to set the voltage. Additionally, some + * vendors have 3.3v indicated on their sense pins, + * but 5v specified in the CIS or vice-versa. I've + * had it. My only recommendation is "let the buyer + * beware". Your system might supply 5v to a 3v card + * (possibly causing damage) or a 3v capable system + * might supply 5v to a 3v capable card (wasting + * precious battery life). + * My only recommendation (if you care) is to get + * yourself an extender card (I don't know where, I + * have only one myself) and a meter and test it for + * yourself. + */ + goto next_entry; + } +skipvcc: + WLAN_LOG_DEBUG(1, "link->conf.Vcc=%d\n", link->conf.Vcc); + + /* Do we need to allocate an interrupt? */ + /* HACK: due to a bad CIS....we ALWAYS need an interrupt */ + /* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */ + link->conf.Attributes |= CONF_ENABLE_IRQ; + + /* IO window settings */ + link->io.NumPorts1 = link->io.NumPorts2 = 0; + if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { + cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(io->flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(io->flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.BasePort1 = io->win[0].base; + if ( link->io.BasePort1 != 0 ) { + WLAN_LOG_WARNING( + "Brain damaged CIS: hard coded iobase=" + "0x%x, try letting pcmcia_cs decide...\n", + link->io.BasePort1 ); + link->io.BasePort1 = 0; + } + link->io.NumPorts1 = io->win[0].len; + if (io->nwin > 1) { + link->io.Attributes2 = link->io.Attributes1; + link->io.BasePort2 = io->win[1].base; + link->io.NumPorts2 = io->win[1].len; + } + } + + /* This reserves IO space but doesn't actually enable it */ + CFG_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io)); + + /* If we got this far, we're cool! */ + break; + +next_entry: + if (cfg->flags & CISTPL_CFTABLE_DEFAULT) + dflt = *cfg; + CS_CHECK(GetNextTuple, + pcmcia_get_next_tuple(handle, &tuple)); + } + + /* Allocate an interrupt line. Note that this does not assign a */ + /* handler to the interrupt, unless the 'Handler' member of the */ + /* irq structure is initialized. */ + if (link->conf.Attributes & CONF_ENABLE_IRQ) + { +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) ) + int i; + link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID; + if (irq_list[0] == -1) + link->irq.IRQInfo2 = irq_mask; + else + for (i=0; i<4; i++) + link->irq.IRQInfo2 |= 1 << irq_list[i]; +#else + link->irq.IRQInfo1 = IRQ_LEVEL_ID; +#endif + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; + link->irq.Handler = hfa384x_interrupt; + link->irq.Instance = wlandev; + CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); + } + + /* This actually configures the PCMCIA socket -- setting up */ + /* the I/O windows and the interrupt mapping, and putting the */ + /* card and host interface into "Memory and IO" mode. */ + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); + + /* Fill the netdevice with this info */ + wlandev->netdev->irq = link->irq.AssignedIRQ; + wlandev->netdev->base_addr = link->io.BasePort1; + + /* Report what we've done */ + WLAN_LOG_INFO("%s: index 0x%02x: Vcc %d.%d", + dev_info, link->conf.ConfigIndex, + link->conf.Vcc/10, link->conf.Vcc%10); + if (link->conf.Vpp1) + printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10); + if (link->conf.Attributes & CONF_ENABLE_IRQ) + printk(", irq %d", link->irq.AssignedIRQ); + if (link->io.NumPorts1) + printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1); + if (link->io.NumPorts2) + printk(" & 0x%04x-0x%04x", link->io.BasePort2, link->io.BasePort2+link->io.NumPorts2-1); + printk("\n"); + + link->state &= ~DEV_CONFIG_PENDING; + + /* Let pcmcia know the device name */ + link->dev = &hw->node; + + /* Register the network device and get assigned a name */ + SET_MODULE_OWNER(wlandev->netdev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) ) + SET_NETDEV_DEV(wlandev->netdev, &handle_to_dev(link->handle)); +#endif + if (register_wlandev(wlandev) != 0) { + WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n"); + goto failed; + } + + strcpy(hw->node.dev_name, wlandev->name); + + /* Any device custom config/query stuff should be done here */ + /* For a netdevice, we should at least grab the mac address */ + + return; +cs_failed: + cs_error(link->handle, last_fn, last_ret); + WLAN_LOG_ERROR("NextTuple failure? It's probably a Vcc mismatch.\n"); + +failed: + prism2sta_release((u_long)link); + return; +} + +/*---------------------------------------------------------------- +* prism2sta_release +* +* Half of the config/release pair. Usually called in response to +* a card ejection event. Checks to make sure no higher layers +* are still (or think they are) using the card via the link->open +* field. +* +* NOTE: Don't forget to increment the link->open variable in the +* device_open method, and decrement it in the device_close +* method. +* +* Arguments: +* arg a generic 32 bit variable. It's the value that +* we assigned to link->release.data in sta_attach(). +* +* Returns: +* nothing +* +* Side effects: +* All resources should be released after this function +* executes and finds the device !open. +* +* Call context: +* Possibly in a timer context. Don't do anything that'll +* block. +----------------------------------------------------------------*/ +void prism2sta_release(u_long arg) +{ + dev_link_t *link = (dev_link_t *)arg; + + DBFENTER; + + /* First thing we should do is get the MSD back to the + * HWPRESENT state. I.e. everything quiescent. + */ + prism2sta_ifstate(link->priv, P80211ENUM_ifstate_disable); + + if (link->open) { + /* TODO: I don't think we're even using this bit of code + * and I don't think it's hurting us at the moment. + */ + WLAN_LOG_DEBUG(1, + "prism2sta_cs: release postponed, '%s' still open\n", + link->dev->dev_name); + link->state |= DEV_STALE_CONFIG; + return; + } + + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); + pcmcia_release_irq(link->handle, &link->irq); + + link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING); + + DBFEXIT; +} + +/*---------------------------------------------------------------- +* prism2sta_event +* +* Handler for card services events. +* +* Arguments: +* event The event code +* priority hi/low - REMOVAL is the only hi +* args ptr to card services struct containing info about +* pcmcia status +* +* Returns: +* Zero on success, non-zero otherwise +* +* Side effects: +* +* +* Call context: +* Both interrupt and process thread, depends on the event. +----------------------------------------------------------------*/ +static int +prism2sta_event ( + event_t event, + int priority, + event_callback_args_t *args) +{ + int result = 0; + dev_link_t *link = (dev_link_t *) args->client_data; + wlandevice_t *wlandev = (wlandevice_t*)link->priv; + hfa384x_t *hw = NULL; + + DBFENTER; + + if (wlandev) hw = wlandev->priv; + + switch (event) + { + case CS_EVENT_CARD_INSERTION: + WLAN_LOG_DEBUG(5,"event is INSERTION\n"); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + prism2sta_config(link); + if (!(link->state & DEV_CONFIG)) { + wlandev->netdev->irq = 0; + WLAN_LOG_ERROR( + "%s: Initialization failed!\n", dev_info); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } + + /* Fill in the rest of the hw struct */ + hw->irq = wlandev->netdev->irq; + hw->iobase = wlandev->netdev->base_addr; + hw->link = link; + + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if ( result ) { + WLAN_LOG_ERROR( + "corereset() failed, result=%d.\n", + result); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } + } + +#if 0 + /* + * TODO: test_hostif() not implemented yet. + */ + result = hfa384x_test_hostif(hw); + if (result) { + WLAN_LOG_ERROR( + "test_hostif() failed, result=%d.\n", result); + wlandev->msdstate = WLAN_MSD_HWFAIL; + break; + } +#endif + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + + case CS_EVENT_CARD_REMOVAL: + WLAN_LOG_DEBUG(5,"event is REMOVAL\n"); + link->state &= ~DEV_PRESENT; + + if (wlandev) { + p80211netdev_hwremoved(wlandev); + } + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) + if (link->state & DEV_CONFIG) + { + link->release.expires = jiffies + (HZ/20); + add_timer(&link->release); + } +#endif + break; + case CS_EVENT_RESET_REQUEST: + WLAN_LOG_DEBUG(5,"event is RESET_REQUEST\n"); + WLAN_LOG_NOTICE( + "prism2 card reset not supported " + "due to post-reset user mode configuration " + "requirements.\n"); + WLAN_LOG_NOTICE( + " From user mode, use " + "'cardctl suspend;cardctl resume' " + "instead.\n"); + break; + case CS_EVENT_RESET_PHYSICAL: + case CS_EVENT_CARD_RESET: + WLAN_LOG_WARNING("Rx'd CS_EVENT_RESET_xxx, should not " + "be possible since RESET_REQUEST was denied.\n"); + break; + + case CS_EVENT_PM_SUSPEND: + WLAN_LOG_DEBUG(5,"event is SUSPEND\n"); + link->state |= DEV_SUSPEND; + if (link->state & DEV_CONFIG) + { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + pcmcia_release_configuration(link->handle); + } + break; + + case CS_EVENT_PM_RESUME: + WLAN_LOG_DEBUG(5,"event is RESUME\n"); + link->state &= ~DEV_SUSPEND; + if (link->state & DEV_CONFIG) { + pcmcia_request_configuration(link->handle, &link->conf); + } + break; + } + + DBFEXIT; + return 0; /* noone else does anthing with the return value */ +} +#endif // <= 2.6.15 + + + +int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis) +{ + int result = 0; + conf_reg_t reg; + UINT8 corsave; + DBFENTER; + + WLAN_LOG_DEBUG(3, "Doing reset via CardServices().\n"); + + /* Collect COR */ + reg.Function = 0; + reg.Action = CS_READ; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":0: AccessConfigurationRegister(CS_READ) failed," + "result=%d.\n", result); + result = -EIO; + } + corsave = reg.Value; + + /* Write reset bit (BIT7) */ + reg.Value |= BIT7; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":1: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + } + + /* Hold for holdtime */ + mdelay(holdtime); + + if (genesis) { + reg.Value = genesis; + reg.Action = CS_WRITE; + reg.Offset = CISREG_CCSR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":1: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + } + } + + /* Hold for holdtime */ + mdelay(holdtime); + + /* Clear reset bit */ + reg.Value &= ~BIT7; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":2: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + goto done; + } + + /* Wait for settletime */ + mdelay(settletime); + + /* Set non-reset bits back what they were */ + reg.Value = corsave; + reg.Action = CS_WRITE; + reg.Offset = CISREG_COR; +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16) + result = pcmcia_access_configuration_register(hw->pdev, ®); +#else + result = pcmcia_access_configuration_register( + hw->link->handle, + ®); +#endif + if (result != CS_SUCCESS ) { + WLAN_LOG_ERROR( + ":2: AccessConfigurationRegister(CS_WRITE) failed," + "result=%d.\n", result); + result = -EIO; + goto done; + } + +done: + DBFEXIT; + return result; +} + +#ifdef MODULE + +static int __init prism2cs_init(void) +{ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + servinfo_t serv; +#endif + + DBFENTER; + + WLAN_LOG_NOTICE("%s Loaded\n", version); + WLAN_LOG_NOTICE("dev_info is: %s\n", dev_info); + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + pcmcia_get_card_services_info(&serv); + if ( serv.Revision != CS_RELEASE_CODE ) + { + printk(KERN_NOTICE"%s: CardServices release does not match!\n", dev_info); + return -1; + } + + /* This call will result in a call to prism2sta_attach */ + /* and eventually prism2sta_detach */ + register_pccard_driver( &dev_info, &prism2sta_attach, &prism2sta_detach); +#else + pcmcia_register_driver(&prism2_cs_driver); +#endif + + DBFEXIT; + return 0; +} + +static void __exit prism2cs_cleanup(void) +{ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) + dev_link_t *link = dev_list; + dev_link_t *nlink; + DBFENTER; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) ) + for (link=dev_list; link != NULL; link = nlink) { + nlink = link->next; + if ( link->state & DEV_CONFIG ) { + prism2sta_release((u_long)link); + } + prism2sta_detach(link); /* remember detach() frees link */ + } +#endif + + unregister_pccard_driver( &dev_info); +#else + pcmcia_unregister_driver(&prism2_cs_driver); +#endif + + printk(KERN_NOTICE "%s Unloaded\n", version); + + DBFEXIT; + return; +} + +module_init(prism2cs_init); +module_exit(prism2cs_cleanup); + +#endif // MODULE + diff --git a/drivers/staging/wlan-ng/prism2_pci.c b/drivers/staging/wlan-ng/prism2_pci.c new file mode 100644 index 000000000000..afe32dfbf6b1 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2_pci.c @@ -0,0 +1,332 @@ +#define WLAN_HOSTIF WLAN_PCI +#include "hfa384x.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#define PCI_SIZE 0x1000 /* Memory size - 4K bytes */ + +/* ISL3874A 11Mb/s WLAN controller */ +#define PCIVENDOR_INTERSIL 0x1260UL +#define PCIDEVICE_ISL3874 0x3873UL /* [MSM] yeah I know...the ID says + 3873. Trust me, it's a 3874. */ + +/* Samsung SWL-2210P 11Mb/s WLAN controller (uses ISL3874A) */ +#define PCIVENDOR_SAMSUNG 0x167dUL +#define PCIDEVICE_SWL_2210P 0xa000UL + +#define PCIVENDOR_NETGEAR 0x1385UL /* for MA311 */ + +/* PCI Class & Sub-Class code, Network-'Other controller' */ +#define PCI_CLASS_NETWORK_OTHERS 0x280 + + +/*---------------------------------------------------------------- +* prism2sta_probe_pci +* +* Probe routine called when a PCI device w/ matching ID is found. +* The ISL3874 implementation uses the following map: +* BAR0: Prism2.x registers memory mapped, size=4k +* Here's the sequence: +* - Allocate the PCI resources. +* - Read the PCMCIA attribute memory to make sure we have a WLAN card +* - Reset the MAC +* - Initialize the netdev and wlan data +* - Initialize the MAC +* +* Arguments: +* pdev ptr to pci device structure containing info about +* pci configuration. +* id ptr to the device id entry that matched this device. +* +* Returns: +* zero - success +* negative - failed +* +* Side effects: +* +* +* Call context: +* process thread +* +----------------------------------------------------------------*/ +static int __devinit +prism2sta_probe_pci( + struct pci_dev *pdev, + const struct pci_device_id *id) +{ + int result; + phys_t phymem = 0; + void __iomem *mem = NULL; + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + + DBFENTER; + + /* Enable the pci device */ + if (pci_enable_device(pdev)) { + WLAN_LOG_ERROR("%s: pci_enable_device() failed.\n", dev_info); + result = -EIO; + goto fail; + } + + /* Figure out our resources */ + phymem = pci_resource_start(pdev, 0); + + if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) { + printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n"); + result = -EIO; + goto fail; + } + + mem = ioremap(phymem, PCI_SIZE); + if ( mem == 0 ) { + WLAN_LOG_ERROR("%s: ioremap() failed.\n", dev_info); + result = -EIO; + goto fail; + } + + /* Log the device */ + WLAN_LOG_INFO("A Prism2.5 PCI device found, " + "phymem:0x%llx, irq:%d, mem:0x%p\n", + (unsigned long long)phymem, pdev->irq, mem); + + if ((wlandev = create_wlan()) == NULL) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto fail; + } + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto fail; + } + + /* Setup netdevice's ability to report resources + * Note: the netdevice was allocated by wlan_setup() + */ + wlandev->netdev->irq = pdev->irq; + wlandev->netdev->mem_start = (unsigned long) mem; + wlandev->netdev->mem_end = wlandev->netdev->mem_start + + pci_resource_len(pdev, 0); + + /* Initialize the hw data */ + hfa384x_create(hw, wlandev->netdev->irq, 0, mem); + hw->wlandev = wlandev; + + /* Register the wlandev, this gets us a name and registers the + * linux netdevice. + */ + SET_MODULE_OWNER(wlandev->netdev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) + SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev)); +#endif + if ( register_wlandev(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info); + result = -EIO; + goto fail; + } + +#if 0 + /* TODO: Move this and an irq test into an hfa384x_testif() routine. + */ + outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr)); + reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr)); + if ( reg != PRISM2STA_MAGIC ) { + WLAN_LOG_ERROR("MAC register access test failed!\n"); + result = -EIO; + goto fail; + } +#endif + + /* Do a chip-level reset on the MAC */ + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if (result != 0) { + WLAN_LOG_ERROR( + "%s: hfa384x_corereset() failed.\n", + dev_info); + unregister_wlandev(wlandev); + hfa384x_destroy(hw); + result = -EIO; + goto fail; + } + } + + pci_set_drvdata(pdev, wlandev); + + /* Shouldn't actually hook up the IRQ until we + * _know_ things are alright. A test routine would help. + */ + request_irq(wlandev->netdev->irq, hfa384x_interrupt, + SA_SHIRQ, wlandev->name, wlandev); + + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + result = 0; + goto done; + + fail: + pci_set_drvdata(pdev, NULL); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + if (mem) iounmap(mem); + pci_release_regions(pdev); + pci_disable_device(pdev); + + done: + DBFEXIT; + return result; +} + +static void __devexit prism2sta_remove_pci(struct pci_dev *pdev) +{ + wlandevice_t *wlandev; + hfa384x_t *hw; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + hw = wlandev->priv; + + p80211netdev_hwremoved(wlandev); + + /* reset hardware */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + + if (pdev->irq) + free_irq(pdev->irq, wlandev); + + unregister_wlandev(wlandev); + + /* free local stuff */ + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + + iounmap((void __iomem *)wlandev->netdev->mem_start); + wlan_unsetup(wlandev); + + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + + kfree(wlandev); +} + + +static struct pci_device_id pci_id_tbl[] = { + { + PCIVENDOR_INTERSIL, PCIDEVICE_ISL3874, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller" + }, + { + PCIVENDOR_INTERSIL, 0x3872, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Intersil Prism2.5 ISL3872 11Mb/s WLAN Controller" + }, + { + PCIVENDOR_SAMSUNG, PCIDEVICE_SWL_2210P, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Samsung MagicLAN SWL-2210P 11Mb/s WLAN Controller" + }, + { /* for NetGear MA311 */ + PCIVENDOR_NETGEAR, 0x3872, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Netgear MA311 WLAN Controller" + }, + { + 0, 0, 0, 0, 0, 0, 0 + } +}; + +MODULE_DEVICE_TABLE(pci, pci_id_tbl); + +/* Function declared here because of ptr reference below */ +static int __devinit prism2sta_probe_pci(struct pci_dev *pdev, + const struct pci_device_id *id); +static void __devexit prism2sta_remove_pci(struct pci_dev *pdev); + +static struct pci_driver prism2_pci_drv_id = { + .name = "prism2_pci", + .id_table = pci_id_tbl, + .probe = prism2sta_probe_pci, + .remove = prism2sta_remove_pci, +#ifdef CONFIG_PM + .suspend = prism2sta_suspend_pci, + .resume = prism2sta_resume_pci, +#endif +}; + +#ifdef MODULE + +static int __init prism2pci_init(void) +{ + WLAN_LOG_NOTICE("%s Loaded\n", version); + return pci_module_init(&prism2_pci_drv_id); +}; + +static void __exit prism2pci_cleanup(void) +{ + pci_unregister_driver(&prism2_pci_drv_id); +}; + +module_init(prism2pci_init); +module_exit(prism2pci_cleanup); + +#endif + +int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis) +{ + int result = 0; + unsigned long timeout; + UINT16 reg; + DBFENTER; + + /* Assert reset and wait awhile + * (note: these delays are _really_ long, but they appear to be + * necessary.) + */ + hfa384x_setreg(hw, 0xc5, HFA384x_PCICOR); + timeout = jiffies + HZ/4; + while(time_before(jiffies, timeout)) udelay(5); + + if (genesis) { + hfa384x_setreg(hw, genesis, HFA384x_PCIHCR); + timeout = jiffies + HZ/4; + while(time_before(jiffies, timeout)) udelay(5); + } + + /* Clear the reset and wait some more + */ + hfa384x_setreg(hw, 0x45, HFA384x_PCICOR); + timeout = jiffies + HZ/2; + while(time_before(jiffies, timeout)) udelay(5); + + /* Wait for f/w to complete initialization (CMD:BUSY == 0) + */ + timeout = jiffies + 2*HZ; + reg = hfa384x_getreg(hw, HFA384x_CMD); + while ( HFA384x_CMD_ISBUSY(reg) && time_before( jiffies, timeout) ) { + reg = hfa384x_getreg(hw, HFA384x_CMD); + udelay(10); + } + if (HFA384x_CMD_ISBUSY(reg)) { + WLAN_LOG_WARNING("corereset: Timed out waiting for cmd register.\n"); + result=1; + } + DBFEXIT; + return result; +} diff --git a/drivers/staging/wlan-ng/prism2_plx.c b/drivers/staging/wlan-ng/prism2_plx.c new file mode 100644 index 000000000000..320443f37a8f --- /dev/null +++ b/drivers/staging/wlan-ng/prism2_plx.c @@ -0,0 +1,472 @@ +#define WLAN_HOSTIF WLAN_PLX +#include "hfa384x.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#define PLX_ATTR_SIZE 0x1000 /* Attribute memory size - 4K bytes */ +#define COR_OFFSET 0x3e0 /* COR attribute offset of Prism2 PC card */ +#define COR_VALUE 0x41 /* Enable PC card with irq in level trigger */ +#define PLX_INTCSR 0x4c /* Interrupt Control and Status Register */ +#define PLX_INTCSR_INTEN (1<<6) /* Interrupt Enable bit */ +#define PLX_MIN_ATTR_LEN 512 /* at least 2 x 256 is needed for CIS */ + +/* 3Com 3CRW777A (PLX) board ID */ +#define PCIVENDOR_3COM 0x10B7 +#define PCIDEVICE_AIRCONNECT 0x7770 + +/* Eumitcom PCI WL11000 PCI Adapter (PLX) board device+vendor ID */ +#define PCIVENDOR_EUMITCOM 0x1638UL +#define PCIDEVICE_WL11000 0x1100UL + +/* Global Sun Tech GL24110P PCI Adapter (PLX) board device+vendor ID */ +#define PCIVENDOR_GLOBALSUN 0x16abUL +#define PCIDEVICE_GL24110P 0x1101UL +#define PCIDEVICE_GL24110P_ALT 0x1102UL + +/* Netgear MA301 PCI Adapter (PLX) board device+vendor ID */ +#define PCIVENDOR_NETGEAR 0x1385UL +#define PCIDEVICE_MA301 0x4100UL + +/* US Robotics USR2410 PCI Adapter (PLX) board device+vendor ID */ +#define PCIVENDOR_USROBOTICS 0x16ecUL +#define PCIDEVICE_USR2410 0x3685UL + +/* Linksys WPC11 card with the WDT11 adapter (PLX) board device+vendor ID */ +#define PCIVENDOR_Linksys 0x16abUL +#define PCIDEVICE_Wpc11Wdt11 0x1102UL + +/* National Datacomm Corp SOHOware Netblaster II PCI */ +#define PCIVENDOR_NDC 0x15e8UL +#define PCIDEVICE_NCP130_PLX 0x0130UL +#define PCIDEVICE_NCP130_ASIC 0x0131UL + +/* NDC NCP130_PLX is also sold by Corega. Their name is CGWLPCIA11 */ +#define PCIVENDOR_COREGA PCIVENDOR_NDC +#define PCIDEVICE_CGWLPCIA11 PCIDEVICE_NCP130_PLX + +/* PCI Class & Sub-Class code, Network-'Other controller' */ +#define PCI_CLASS_NETWORK_OTHERS 0x280 + +/*---------------------------------------------------------------- +* prism2sta_probe_plx +* +* Probe routine called when a PCI device w/ matching ID is found. +* This PLX implementation uses the following map: +* BAR0: Unused +* BAR1: ???? +* BAR2: PCMCIA attribute memory +* BAR3: PCMCIA i/o space +* Here's the sequence: +* - Allocate the PCI resources. +* - Read the PCMCIA attribute memory to make sure we have a WLAN card +* - Reset the MAC using the PCMCIA COR +* - Initialize the netdev and wlan data +* - Initialize the MAC +* +* Arguments: +* pdev ptr to pci device structure containing info about +* pci configuration. +* id ptr to the device id entry that matched this device. +* +* Returns: +* zero - success +* negative - failed +* +* Side effects: +* +* +* Call context: +* process thread +* +----------------------------------------------------------------*/ +static int __devinit +prism2sta_probe_plx( + struct pci_dev *pdev, + const struct pci_device_id *id) +{ + int result; + phys_t pccard_ioaddr; + phys_t pccard_attr_mem; + unsigned int pccard_attr_len; + void __iomem *attr_mem = NULL; + UINT32 plx_addr; + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + int reg; + u32 regic; + + if (pci_enable_device(pdev)) + return -EIO; + + /* TMC7160 boards are special */ + if ((pdev->vendor == PCIVENDOR_NDC) && + (pdev->device == PCIDEVICE_NCP130_ASIC)) { + unsigned long delay; + + pccard_attr_mem = 0; + pccard_ioaddr = pci_resource_start(pdev, 1); + + outb(0x45, pccard_ioaddr); + delay = jiffies + 1*HZ; + while (time_before(jiffies, delay)); + + if (inb(pccard_ioaddr) != 0x45) { + WLAN_LOG_ERROR("Initialize the TMC7160 failed. (0x%x)\n", inb(pccard_ioaddr)); + return -EIO; + } + + pccard_ioaddr = pci_resource_start(pdev, 2); + prism2_doreset = 0; + + WLAN_LOG_INFO("NDC NCP130 with TMC716(ASIC) PCI interface device found at io:0x%x, irq:%d\n", pccard_ioaddr, pdev->irq); + goto init; + } + + /* Collect the resource requirements */ + pccard_attr_mem = pci_resource_start(pdev, 2); + pccard_attr_len = pci_resource_len(pdev, 2); + if (pccard_attr_len < PLX_MIN_ATTR_LEN) + return -EIO; + + pccard_ioaddr = pci_resource_start(pdev, 3); + + /* bjoern: We need to tell the card to enable interrupts, in + * case the serial eprom didn't do this already. See the + * PLX9052 data book, p8-1 and 8-24 for reference. + * [MSM]: This bit of code came from the orinoco_cs driver. + */ + plx_addr = pci_resource_start(pdev, 1); + + regic = 0; + regic = inl(plx_addr+PLX_INTCSR); + if(regic & PLX_INTCSR_INTEN) { + WLAN_LOG_DEBUG(1, + "%s: Local Interrupt already enabled\n", dev_info); + } else { + regic |= PLX_INTCSR_INTEN; + outl(regic, plx_addr+PLX_INTCSR); + regic = inl(plx_addr+PLX_INTCSR); + if(!(regic & PLX_INTCSR_INTEN)) { + WLAN_LOG_ERROR( + "%s: Couldn't enable Local Interrupts\n", + dev_info); + return -EIO; + } + } + + /* These assignments are here in case of future mappings for + * io space and irq that might be similar to ioremap + */ + if (!request_mem_region(pccard_attr_mem, pci_resource_len(pdev, 2), "Prism2")) { + WLAN_LOG_ERROR("%s: Couldn't reserve PCI memory region\n", dev_info); + return -EIO; + } + + attr_mem = ioremap(pccard_attr_mem, pccard_attr_len); + + WLAN_LOG_INFO("A PLX PCI/PCMCIA interface device found, " + "phymem:0x%llx, phyio=0x%x, irq:%d, " + "mem: 0x%lx\n", + (unsigned long long)pccard_attr_mem, pccard_ioaddr, pdev->irq, + (unsigned long)attr_mem); + + /* Verify whether PC card is present. + * [MSM] This needs improvement, the right thing to do is + * probably to walk the CIS looking for the vendor and product + * IDs. It would be nice if this could be tied in with the + * etc/pcmcia/wlan-ng.conf file. Any volunteers? ;-) + */ + if ( + readb(attr_mem + 0) != 0x01 || readb(attr_mem + 2) != 0x03 || + readb(attr_mem + 4) != 0x00 || readb(attr_mem + 6) != 0x00 || + readb(attr_mem + 8) != 0xFF || readb(attr_mem + 10) != 0x17 || + readb(attr_mem + 12) != 0x04 || readb(attr_mem + 14) != 0x67) { + WLAN_LOG_ERROR("Prism2 PC card CIS is invalid.\n"); + return -EIO; + } + WLAN_LOG_INFO("A PCMCIA WLAN adapter was found.\n"); + + /* Write COR to enable PC card */ + writeb(COR_VALUE, attr_mem + COR_OFFSET); + reg = readb(attr_mem + COR_OFFSET); + + init: + + /* + * Now do everything the same as a PCI device + * [MSM] TODO: We could probably factor this out of pcmcia/pci/plx + * and perhaps usb. Perhaps a task for another day....... + */ + + if ((wlandev = create_wlan()) == NULL) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto failed; + } + + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Setup netdevice's ability to report resources + * Note: the netdevice was allocated by wlan_setup() + */ + wlandev->netdev->irq = pdev->irq; + wlandev->netdev->base_addr = pccard_ioaddr; + wlandev->netdev->mem_start = (unsigned long)attr_mem; + wlandev->netdev->mem_end = (unsigned long)attr_mem + pci_resource_len(pdev, 0); + + /* Initialize the hw data */ + hfa384x_create(hw, wlandev->netdev->irq, pccard_ioaddr, attr_mem); + hw->wlandev = wlandev; + + /* Register the wlandev, this gets us a name and registers the + * linux netdevice. + */ + SET_MODULE_OWNER(wlandev->netdev); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) + SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev)); +#endif + if ( register_wlandev(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info); + result = -EIO; + goto failed; + } + +#if 0 + /* TODO: Move this and an irq test into an hfa384x_testif() routine. + */ + outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr)); + reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr)); + if ( reg != PRISM2STA_MAGIC ) { + WLAN_LOG_ERROR("MAC register access test failed!\n"); + result = -EIO; + goto failed; + } +#endif + + /* Do a chip-level reset on the MAC */ + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if (result != 0) { + unregister_wlandev(wlandev); + hfa384x_destroy(hw); + WLAN_LOG_ERROR( + "%s: hfa384x_corereset() failed.\n", + dev_info); + result = -EIO; + goto failed; + } + } + + pci_set_drvdata(pdev, wlandev); + + /* Shouldn't actually hook up the IRQ until we + * _know_ things are alright. A test routine would help. + */ + request_irq(wlandev->netdev->irq, hfa384x_interrupt, + SA_SHIRQ, wlandev->name, wlandev); + + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + result = 0; + + goto done; + + failed: + + pci_set_drvdata(pdev, NULL); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + if (attr_mem) iounmap(attr_mem); + pci_release_regions(pdev); + pci_disable_device(pdev); + + done: + DBFEXIT; + return result; +} + +static void __devexit prism2sta_remove_plx(struct pci_dev *pdev) +{ + wlandevice_t *wlandev; + hfa384x_t *hw; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + hw = wlandev->priv; + + p80211netdev_hwremoved(wlandev); + + /* reset hardware */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + + if (pdev->irq) + free_irq(pdev->irq, wlandev); + + unregister_wlandev(wlandev); + + /* free local stuff */ + if (hw) { + hfa384x_destroy(hw); + kfree(hw); + } + + iounmap((void __iomem *)wlandev->netdev->mem_start); + wlan_unsetup(wlandev); + + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + + kfree(wlandev); +} + +static struct pci_device_id plx_id_tbl[] = { + { + PCIVENDOR_EUMITCOM, PCIDEVICE_WL11000, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Eumitcom WL11000 PCI(PLX) card" + }, + { + PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Global Sun Tech GL24110P PCI(PLX) card" + }, + { + PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P_ALT, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Global Sun Tech GL24110P PCI(PLX) card" + }, + { + PCIVENDOR_NETGEAR, PCIDEVICE_MA301, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Global Sun Tech GL24110P PCI(PLX) card" + }, + { + PCIVENDOR_USROBOTICS, PCIDEVICE_USR2410, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"US Robotics USR2410 PCI(PLX) card" + }, + { + PCIVENDOR_Linksys, PCIDEVICE_Wpc11Wdt11, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"Linksys WPC11 with WDT11 PCI(PLX) adapter" + }, + { + PCIVENDOR_NDC, PCIDEVICE_NCP130_PLX, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"NDC Netblaster II PCI(PLX)" + }, + { + PCIVENDOR_NDC, PCIDEVICE_NCP130_ASIC, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"NDC Netblaster II PCI(TMC7160)" + }, + { + PCIVENDOR_3COM, PCIDEVICE_AIRCONNECT, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + /* Driver data, we just put the name here */ + (unsigned long)"3Com AirConnect PCI 802.11b 11Mb/s WLAN Controller" + }, + { + 0, 0, 0, 0, 0, 0, 0 + } +}; + +MODULE_DEVICE_TABLE(pci, plx_id_tbl); + +/* Function declared here because of ptr reference below */ +static int __devinit prism2sta_probe_plx(struct pci_dev *pdev, + const struct pci_device_id *); +static void __devexit prism2sta_remove_plx(struct pci_dev *pdev); + +static struct pci_driver prism2_plx_drv_id = { + .name = "prism2_plx", + .id_table = plx_id_tbl, + .probe = prism2sta_probe_plx, + .remove = prism2sta_remove_plx, +#ifdef CONFIG_PM + .suspend = prism2sta_suspend_pci, + .resume = prism2sta_resume_pci, +#endif +}; + +#ifdef MODULE + +static int __init prism2plx_init(void) +{ + WLAN_LOG_NOTICE("%s Loaded\n", version); + return pci_module_init(&prism2_plx_drv_id); +}; + +static void __exit prism2plx_cleanup(void) +{ + pci_unregister_driver(&prism2_plx_drv_id); +}; + +module_init(prism2plx_init); +module_exit(prism2plx_cleanup); + +#endif // MODULE + + +int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis) +{ + int result = 0; + +#define COR_OFFSET 0x3e0 /* COR attribute offset of Prism2 PC card */ +#define COR_VALUE 0x41 /* Enable PC card with irq in level trigger */ + +#define HCR_OFFSET 0x3e2 /* HCR attribute offset of Prism2 PC card */ + + UINT8 corsave; + DBFENTER; + + WLAN_LOG_DEBUG(3, "Doing reset via direct COR access.\n"); + + /* Collect COR */ + corsave = readb(hw->membase + COR_OFFSET); + /* Write reset bit (BIT7) */ + writeb(corsave | BIT7, hw->membase + COR_OFFSET); + /* Hold for holdtime */ + mdelay(holdtime); + + if (genesis) { + writeb(genesis, hw->membase + HCR_OFFSET); + /* Hold for holdtime */ + mdelay(holdtime); + } + + /* Clear reset bit */ + writeb(corsave & ~BIT7, hw->membase + COR_OFFSET); + /* Wait for settletime */ + mdelay(settletime); + /* Set non-reset bits back what they were */ + writeb(corsave, hw->membase + COR_OFFSET); + DBFEXIT; + return result; +} diff --git a/drivers/staging/wlan-ng/prism2_usb.c b/drivers/staging/wlan-ng/prism2_usb.c new file mode 100644 index 000000000000..e45be2374503 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2_usb.c @@ -0,0 +1,361 @@ +#define WLAN_HOSTIF WLAN_USB +#include "hfa384x_usb.c" +#include "prism2mgmt.c" +#include "prism2mib.c" +#include "prism2sta.c" + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) +#error "prism2_usb requires at least a 2.4.x kernel!" +#endif + +#define PRISM_USB_DEVICE(vid, pid, name) \ + USB_DEVICE(vid, pid), \ + .driver_info = (unsigned long) name + +static struct usb_device_id usb_prism_tbl[] = { + {PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")}, + {PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")}, + {PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x049f, 0x0033, "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")}, + {PRISM_USB_DEVICE(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")}, + {PRISM_USB_DEVICE(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")}, + {PRISM_USB_DEVICE(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")}, + {PRISM_USB_DEVICE(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")}, + {PRISM_USB_DEVICE(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")}, + {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")}, +// {PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")}, + {PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")}, + {PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")}, + {PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")}, + {PRISM_USB_DEVICE(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")}, + {PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")}, + {PRISM_USB_DEVICE(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")}, + {PRISM_USB_DEVICE(0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")}, + { /* terminator */ } +}; + +MODULE_DEVICE_TABLE(usb, usb_prism_tbl); + +/*---------------------------------------------------------------- +* prism2sta_probe_usb +* +* Probe routine called by the USB subsystem. +* +* Arguments: +* dev ptr to the usb_device struct +* ifnum interface number being offered +* +* Returns: +* NULL - we're not claiming the device+interface +* non-NULL - we are claiming the device+interface and +* this is a ptr to the data we want back +* when disconnect is called. +* +* Side effects: +* +* Call context: +* I'm not sure, assume it's interrupt. +* +----------------------------------------------------------------*/ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +static void __devinit *prism2sta_probe_usb( + struct usb_device *dev, + unsigned int ifnum, + const struct usb_device_id *id) +#else +static int prism2sta_probe_usb( + struct usb_interface *interface, + const struct usb_device_id *id) +#endif +{ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) + struct usb_interface *interface; +#else + struct usb_device *dev; +#endif + + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + int result = 0; + + DBFENTER; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) + interface = &dev->actconfig->interface[ifnum]; +#else + dev = interface_to_usbdev(interface); +#endif + + + if ((wlandev = create_wlan()) == NULL) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + result = -EIO; + goto failed; + } + hw = wlandev->priv; + + if ( wlan_setup(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Initialize the hw data */ + hfa384x_create(hw, dev); + hw->wlandev = wlandev; + + /* Register the wlandev, this gets us a name and registers the + * linux netdevice. + */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) + SET_NETDEV_DEV(wlandev->netdev, &(interface->dev)); +#endif + if ( register_wlandev(wlandev) != 0 ) { + WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info); + result = -EIO; + goto failed; + } + + /* Do a chip-level reset on the MAC */ + if (prism2_doreset) { + result = hfa384x_corereset(hw, + prism2_reset_holdtime, + prism2_reset_settletime, 0); + if (result != 0) { + unregister_wlandev(wlandev); + hfa384x_destroy(hw); + result = -EIO; + WLAN_LOG_ERROR( + "%s: hfa384x_corereset() failed.\n", + dev_info); + goto failed; + } + } + +#ifndef NEW_MODULE_CODE + usb_inc_dev_use(dev); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)) + usb_get_dev(dev); +#endif + + wlandev->msdstate = WLAN_MSD_HWPRESENT; + + goto done; + + failed: + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + wlandev = NULL; + + done: + DBFEXIT; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) + return wlandev; +#else + usb_set_intfdata(interface, wlandev); + return result; +#endif +} + + +/*---------------------------------------------------------------- +* prism2sta_disconnect_usb +* +* Called when a device previously claimed by probe is removed +* from the USB. +* +* Arguments: +* dev ptr to the usb_device struct +* ptr ptr returned by probe() when the device +* was claimed. +* +* Returns: +* Nothing +* +* Side effects: +* +* Call context: +* process +----------------------------------------------------------------*/ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +static void __devexit +prism2sta_disconnect_usb(struct usb_device *dev, void *ptr) +#else +static void +prism2sta_disconnect_usb(struct usb_interface *interface) +#endif +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + wlandevice_t *wlandev; +#else + wlandevice_t *wlandev = (wlandevice_t*)ptr; +#endif + + DBFENTER; + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + wlandev = (wlandevice_t *) usb_get_intfdata(interface); +#endif + + if ( wlandev != NULL ) { + LIST_HEAD(cleanlist); + struct list_head *entry; + struct list_head *temp; + unsigned long flags; + + hfa384x_t *hw = wlandev->priv; + + if (!hw) + goto exit; + + spin_lock_irqsave(&hw->ctlxq.lock, flags); + + p80211netdev_hwremoved(wlandev); + list_splice_init(&hw->ctlxq.reapable, &cleanlist); + list_splice_init(&hw->ctlxq.completing, &cleanlist); + list_splice_init(&hw->ctlxq.pending, &cleanlist); + list_splice_init(&hw->ctlxq.active, &cleanlist); + + spin_unlock_irqrestore(&hw->ctlxq.lock, flags); + + /* There's no hardware to shutdown, but the driver + * might have some tasks or tasklets that must be + * stopped before we can tear everything down. + */ + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + + del_singleshot_timer_sync(&hw->throttle); + del_singleshot_timer_sync(&hw->reqtimer); + del_singleshot_timer_sync(&hw->resptimer); + + /* Unlink all the URBs. This "removes the wheels" + * from the entire CTLX handling mechanism. + */ + usb_kill_urb(&hw->rx_urb); + usb_kill_urb(&hw->tx_urb); + usb_kill_urb(&hw->ctlx_urb); + + tasklet_kill(&hw->completion_bh); + tasklet_kill(&hw->reaper_bh); + + flush_scheduled_work(); + + /* Now we complete any outstanding commands + * and tell everyone who is waiting for their + * responses that we have shut down. + */ + list_for_each(entry, &cleanlist) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + complete(&ctlx->done); + } + + /* Give any outstanding synchronous commands + * a chance to complete. All they need to do + * is "wake up", so that's easy. + * (I'd like a better way to do this, really.) + */ + msleep(100); + + /* Now delete the CTLXs, because no-one else can now. */ + list_for_each_safe(entry, temp, &cleanlist) { + hfa384x_usbctlx_t *ctlx; + + ctlx = list_entry(entry, hfa384x_usbctlx_t, list); + kfree(ctlx); + } + + /* Unhook the wlandev */ + unregister_wlandev(wlandev); + wlan_unsetup(wlandev); + +#ifndef NEW_MODULE_CODE + usb_dec_dev_use(hw->usb); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)) + usb_put_dev(hw->usb); +#endif + + hfa384x_destroy(hw); + kfree(hw); + + kfree(wlandev); + } + + exit: + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + usb_set_intfdata(interface, NULL); +#endif + DBFEXIT; +} + + +static struct usb_driver prism2_usb_driver = { +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,19)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)) + .owner = THIS_MODULE, +#endif + .name = "prism2_usb", + .probe = prism2sta_probe_usb, + .disconnect = prism2sta_disconnect_usb, + .id_table = usb_prism_tbl, + /* fops, minor? */ +}; + +#ifdef MODULE + +static int __init prism2usb_init(void) +{ + DBFENTER; + + WLAN_LOG_NOTICE("%s Loaded\n", version); + WLAN_LOG_NOTICE("dev_info is: %s\n", dev_info); + + /* This call will result in calls to prism2sta_probe_usb. */ + return usb_register(&prism2_usb_driver); + + DBFEXIT; +}; + +static void __exit prism2usb_cleanup(void) +{ + DBFENTER; + + usb_deregister(&prism2_usb_driver); + + printk(KERN_NOTICE "%s Unloaded\n", version); + + DBFEXIT; +}; + +module_init(prism2usb_init); +module_exit(prism2usb_cleanup); + +#endif // module diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c new file mode 100644 index 000000000000..c975025b6ae0 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2mgmt.c @@ -0,0 +1,2956 @@ +/* src/prism2/driver/prism2mgmt.c +* +* Management request handler functions. +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* The functions in this file handle management requests sent from +* user mode. +* +* Most of these functions have two separate blocks of code that are +* conditional on whether this is a station or an AP. This is used +* to separate out the STA and AP responses to these management primitives. +* It's a choice (good, bad, indifferent?) to have the code in the same +* place so it's clear that the same primitive is implemented in both +* cases but has different behavior. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ +#define WLAN_DBVAR prism2_debug + +#include "version.h" + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if (WLAN_HOSTIF == WLAN_USB) +#include +#endif + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#include +#include +#include +#include +#include +#include +#endif + +#include "wlan_compat.h" + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/*================================================================*/ +/* Local Constants */ + + +/*================================================================*/ +/* Local Macros */ + +/* Converts 802.11 format rate specifications to prism2 */ +#define p80211rate_to_p2bit(n) ((((n)&~BIT7) == 2) ? BIT0 : \ + (((n)&~BIT7) == 4) ? BIT1 : \ + (((n)&~BIT7) == 11) ? BIT2 : \ + (((n)&~BIT7) == 22) ? BIT3 : 0) + +/*================================================================*/ +/* Local Types */ + + +/*================================================================*/ +/* Local Static Definitions */ + + +/*================================================================*/ +/* Local Function Declarations */ + + +/*================================================================*/ +/* Function Definitions */ + + +/*---------------------------------------------------------------- +* prism2mgmt_powermgmt +* +* Set the power management state of this station's MAC. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_powermgmt(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_powermgmt_t *msg = msgp; + + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* + * Set CNFPMENABLED (on or off) + * Set CNFMULTICASTRX (if PM on, otherwise clear) + * Spout a notice stating that SleepDuration and + * HoldoverDuration and PMEPS also have an impact. + */ + /* Powermgmt is currently unsupported for STA */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + + /* Powermgmt is never supported for AP */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_scan +* +* Initiate a scan for BSSs. +* +* This function corresponds to MLME-scan.request and part of +* MLME-scan.confirm. As far as I can tell in the standard, there +* are no restrictions on when a scan.request may be issued. We have +* to handle in whatever state the driver/MAC happen to be. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_scan_t *msg = msgp; + UINT16 roamingmode, word; + int i, timeout; + int istmpenable = 0; + + hfa384x_HostScanRequest_data_t scanreq; + + DBFENTER; + + if (hw->ap) { + WLAN_LOG_ERROR("Prism2 in AP mode cannot perform scans.\n"); + result = 1; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto exit; + } + + /* gatekeeper check */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) < + HFA384x_FIRMWARE_VERSION(1,3,2)) { + WLAN_LOG_ERROR("HostScan not supported with current firmware (<1.3.2).\n"); + result = 1; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto exit; + } + + memset(&scanreq, 0, sizeof(scanreq)); + + /* save current roaming mode */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, &roamingmode); + if ( result ) { + WLAN_LOG_ERROR("getconfig(ROAMMODE) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* drop into mode 3 for the scan */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, + HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM); + if ( result ) { + WLAN_LOG_ERROR("setconfig(ROAMINGMODE) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* active or passive? */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) > + HFA384x_FIRMWARE_VERSION(1,5,0)) { + if (msg->scantype.data != P80211ENUM_scantype_active) { + word = host2hfa384x_16(msg->maxchanneltime.data); + } else { + word = 0; + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL, word); + if ( result ) { + WLAN_LOG_WARNING("Passive scan not supported with " + "current firmware. (<1.5.1)\n"); + } + } + + /* set up the txrate to be 2MBPS. Should be fastest basicrate... */ + word = HFA384x_RATEBIT_2; + scanreq.txRate = host2hfa384x_16(word); + + /* set up the channel list */ + word = 0; + for (i = 0; i < msg->channellist.data.len; i++) { + UINT8 channel = msg->channellist.data.data[i]; + if (channel > 14) continue; + /* channel 1 is BIT0 ... channel 14 is BIT13 */ + word |= (1 << (channel-1)); + } + scanreq.channelList = host2hfa384x_16(word); + + /* set up the ssid, if present. */ + scanreq.ssid.len = host2hfa384x_16(msg->ssid.data.len); + memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len); + + /* Enable the MAC port if it's not already enabled */ + result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word); + if ( result ) { + WLAN_LOG_ERROR("getconfig(PORTSTATUS) failed. " + "result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + if (word == HFA384x_PORTSTATUS_DISABLED) { + UINT16 wordbuf[17]; + + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFROAMINGMODE, + HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM); + if ( result ) { + WLAN_LOG_ERROR("setconfig(ROAMINGMODE) failed. result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* Construct a bogus SSID and assign it to OwnSSID and + * DesiredSSID + */ + wordbuf[0] = host2hfa384x_16(WLAN_SSID_MAXLEN); + get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN); + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID, + wordbuf, HFA384x_RID_CNFOWNSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set OwnSSID.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFDESIREDSSID, + wordbuf, HFA384x_RID_CNFDESIREDSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set DesiredSSID.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* bsstype */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + HFA384x_PORTTYPE_IBSS); + if ( result ) { + WLAN_LOG_ERROR("Failed to set CNFPORTTYPE.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + /* ibss options */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CREATEIBSS, + HFA384x_CREATEIBSS_JOINCREATEIBSS); + if ( result ) { + WLAN_LOG_ERROR("Failed to set CREATEIBSS.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("drvr_enable(0) failed. " + "result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + istmpenable = 1; + } + + /* Figure out our timeout first Kus, then HZ */ + timeout = msg->channellist.data.len * msg->maxchanneltime.data; + timeout = (timeout * HZ)/1000; + + /* Issue the scan request */ + hw->scanflag = 0; + + WLAN_HEX_DUMP(5,"hscanreq", &scanreq, sizeof(scanreq)); + + result = hfa384x_drvr_setconfig( hw, + HFA384x_RID_HOSTSCAN, &scanreq, + sizeof(hfa384x_HostScanRequest_data_t)); + if ( result ) { + WLAN_LOG_ERROR("setconfig(SCANREQUEST) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + /* sleep until info frame arrives */ + wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout); + + msg->numbss.status = P80211ENUM_msgitem_status_data_ok; + if (hw->scanflag == -1) + hw->scanflag = 0; + + msg->numbss.data = hw->scanflag; + + hw->scanflag = 0; + + /* Disable port if we temporarily enabled it. */ + if (istmpenable) { + result = hfa384x_drvr_disable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("drvr_disable(0) failed. " + "result=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + } + + /* restore original roaming mode */ + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE, + roamingmode); + if ( result ) { + WLAN_LOG_ERROR("setconfig(ROAMMODE) failed. result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + goto exit; + } + + result = 0; + msg->resultcode.data = P80211ENUM_resultcode_success; + + exit: + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_scan_results +* +* Retrieve the BSS description for one of the BSSs identified in +* a scan. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + p80211msg_dot11req_scan_results_t *req; + hfa384x_t *hw = wlandev->priv; + hfa384x_HScanResultSub_t *item = NULL; + + int count; + + DBFENTER; + + req = (p80211msg_dot11req_scan_results_t *) msgp; + + req->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + if (hw->ap) { + result = 1; + req->resultcode.data = P80211ENUM_resultcode_not_supported; + goto exit; + } + + if (! hw->scanresults) { + WLAN_LOG_ERROR("dot11req_scan_results can only be used after a successful dot11req_scan.\n"); + result = 2; + req->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + goto exit; + } + + count = (hw->scanresults->framelen - 3) / 32; + if (count > 32) count = 32; + + if (req->bssindex.data >= count) { + WLAN_LOG_DEBUG(0, "requested index (%d) out of range (%d)\n", + req->bssindex.data, count); + result = 2; + req->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + goto exit; + } + + item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]); + /* signal and noise */ + req->signal.status = P80211ENUM_msgitem_status_data_ok; + req->noise.status = P80211ENUM_msgitem_status_data_ok; + req->signal.data = hfa384x2host_16(item->sl); + req->noise.data = hfa384x2host_16(item->anl); + + /* BSSID */ + req->bssid.status = P80211ENUM_msgitem_status_data_ok; + req->bssid.data.len = WLAN_BSSID_LEN; + memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN); + + /* SSID */ + req->ssid.status = P80211ENUM_msgitem_status_data_ok; + req->ssid.data.len = hfa384x2host_16(item->ssid.len); + memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len); + + /* supported rates */ + for (count = 0; count < 10 ; count++) + if (item->supprates[count] == 0) + break; + +#define REQBASICRATE(N) \ + if ((count >= N) && DOT11_RATE5_ISBASIC_GET(item->supprates[(N)-1])) { \ + req->basicrate ## N .data = item->supprates[(N)-1]; \ + req->basicrate ## N .status = P80211ENUM_msgitem_status_data_ok; \ + } + + REQBASICRATE(1); + REQBASICRATE(2); + REQBASICRATE(3); + REQBASICRATE(4); + REQBASICRATE(5); + REQBASICRATE(6); + REQBASICRATE(7); + REQBASICRATE(8); + +#define REQSUPPRATE(N) \ + if (count >= N) { \ + req->supprate ## N .data = item->supprates[(N)-1]; \ + req->supprate ## N .status = P80211ENUM_msgitem_status_data_ok; \ + } + + REQSUPPRATE(1); + REQSUPPRATE(2); + REQSUPPRATE(3); + REQSUPPRATE(4); + REQSUPPRATE(5); + REQSUPPRATE(6); + REQSUPPRATE(7); + REQSUPPRATE(8); + + /* beacon period */ + req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok; + req->beaconperiod.data = hfa384x2host_16(item->bcnint); + + /* timestamps */ + req->timestamp.status = P80211ENUM_msgitem_status_data_ok; + req->timestamp.data = jiffies; + req->localtime.status = P80211ENUM_msgitem_status_data_ok; + req->localtime.data = jiffies; + + /* atim window */ + req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok; + req->ibssatimwindow.data = hfa384x2host_16(item->atim); + + /* Channel */ + req->dschannel.status = P80211ENUM_msgitem_status_data_ok; + req->dschannel.data = hfa384x2host_16(item->chid); + + /* capinfo bits */ + count = hfa384x2host_16(item->capinfo); + + /* privacy flag */ + req->privacy.status = P80211ENUM_msgitem_status_data_ok; + req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count); + + /* cfpollable */ + req->cfpollable.status = P80211ENUM_msgitem_status_data_ok; + req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count); + + /* cfpollreq */ + req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok; + req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count); + + /* bsstype */ + req->bsstype.status = P80211ENUM_msgitem_status_data_ok; + req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ? + P80211ENUM_bsstype_infrastructure : + P80211ENUM_bsstype_independent; + + // item->proberesp_rate +/* + req->fhdwelltime + req->fhhopset + req->fhhoppattern + req->fhhopindex + req->cfpdurremaining +*/ + + result = 0; + req->resultcode.data = P80211ENUM_resultcode_success; + + exit: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_join +* +* Join a BSS whose BSS description was previously obtained with +* a scan. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_join(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_join_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* TODO: Implement after scan */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + + /* Never supported by APs */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_p2_join +* +* Join a specific BSS +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_p2_join(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_join_t *msg = msgp; + UINT16 reg; + p80211pstrd_t *pstr; + UINT8 bytebuf[256]; + hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t*)bytebuf; + hfa384x_JoinRequest_data_t joinreq; + DBFENTER; + + if (!hw->ap) { + + wlandev->macmode = WLAN_MACMODE_NONE; + + /*** STATION ***/ + /* Set the PortType */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + + /* ess port */ + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 1); + if ( result ) { + WLAN_LOG_ERROR("Failed to set Port Type\n"); + goto failed; + } + + /* Set the auth type */ + if ( msg->authtype.data == P80211ENUM_authalg_sharedkey ) { + reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY; + } else { + reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM; + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg); + if ( result ) { + WLAN_LOG_ERROR("Failed to set Authentication\n"); + goto failed; + } + + /* Turn off all roaming */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE, 3); + if ( result ) { + WLAN_LOG_ERROR("Failed to Turn off Roaming\n"); + goto failed; + } + + /* Basic rates */ + reg = 0; + if ( msg->basicrate1.status == P80211ENUM_msgitem_status_data_ok ) { + reg = p80211rate_to_p2bit(msg->basicrate1.data); + } + if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate2.data); + } + if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate3.data); + } + if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate4.data); + } + if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate5.data); + } + if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate6.data); + } + if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate7.data); + } + if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->basicrate8.data); + } + if( reg == 0) + reg = 0x03; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, reg); + if ( result ) { + WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", reg); + goto failed; + } + + /* Operational rates (supprates and txratecontrol) */ + reg = 0; + if ( msg->operationalrate1.status == P80211ENUM_msgitem_status_data_ok ) { + reg = p80211rate_to_p2bit(msg->operationalrate1.data); + } + if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate2.data); + } + if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate3.data); + } + if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate4.data); + } + if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate5.data); + } + if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate6.data); + } + if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate7.data); + } + if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) { + reg |= p80211rate_to_p2bit(msg->operationalrate8.data); + } + if( reg == 0) + reg = 0x0f; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, reg); + if ( result ) { + WLAN_LOG_ERROR("Failed to set supprates=%d.\n", reg); + goto failed; + } + + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, reg); + if ( result ) { + WLAN_LOG_ERROR("Failed to set txrates=%d.\n", reg); + goto failed; + } + + /* Set the ssid */ + memset(bytebuf, 0, 256); + pstr = (p80211pstrd_t*)&(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig( + hw, HFA384x_RID_CNFDESIREDSSID, + bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set SSID\n"); + goto failed; + } + + /* Enable the Port */ + result = hfa384x_cmd_enable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result); + goto failed; + } + + /* Fill in the join request */ + joinreq.channel = msg->channel.data; + memcpy( joinreq.bssid, ((unsigned char *) &msg->bssid.data) + 1, WLAN_BSSID_LEN); + hw->joinreq = joinreq; + hw->join_ap = 1; + + /* Send the join request */ + result = hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + if(result != 0) { + WLAN_LOG_ERROR("Join request failed, result=%d.\n", result); + goto failed; + } + + } else { + + /*** ACCESS POINT ***/ + + /* Never supported by APs */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + goto done; +failed: + WLAN_LOG_DEBUG(1, "Failed to set a config option, result=%d\n", result); + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + +done: + result = 0; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_authenticate +* +* Station should be begin an authentication exchange. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_authenticate(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_authenticate_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* TODO: Decide how we're going to handle this one w/ Prism2 */ + /* It could be entertaining since Prism2 doesn't have */ + /* an explicit way to control this */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + + /* Never supported by APs */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_deauthenticate +* +* Send a deauthenticate notification. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_deauthenticate(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_deauthenticate_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* TODO: Decide how we're going to handle this one w/ Prism2 */ + /* It could be entertaining since Prism2 doesn't have */ + /* an explicit way to control this */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + hfa384x_drvr_handover(hw, msg->peerstaaddress.data.data); + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_associate +* +* Associate with an ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_associate(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + int result = 0; + p80211msg_dot11req_associate_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + +#if 0 + /* Set the TxRates */ + reg = 0x000f; + hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, reg); +#endif + + /* Set the PortType */ + /* ess port */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 1); + + /* Enable the Port */ + hfa384x_drvr_enable(hw, 0); + + /* Set the resultcode */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + + } else { + + /*** ACCESS POINT ***/ + + /* Never supported on AP */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_reassociate +* +* Renew association because of a BSS change. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_reassociate(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_reassociate_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* TODO: Not supported yet...not sure how we're going to do it */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + + /* Never supported on AP */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_disassociate +* +* Send a disassociation notification. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_disassociate(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_disassociate_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* TODO: Not supported yet...not sure how to do it */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } else { + + /*** ACCESS POINT ***/ + hfa384x_drvr_handover(hw, msg->peerstaaddress.data.data); + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_reset +* +* Reset the MAC and MSD. The p80211 layer has it's own handling +* that should be done before and after this function. +* Procedure: +* - disable system interrupts ?? +* - disable MAC interrupts +* - restore system interrupts +* - issue the MAC initialize command +* - clear any MSD level state (including timers, queued events, +* etc.). Note that if we're removing timer'd/queue events, we may +* need to have remained in the system interrupt disabled state. +* We should be left in the same state that we're in following +* driver initialization. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer, MAY BE NULL! for a driver local +* call. +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread, commonly wlanctl, but might be rmmod/pci_close. +----------------------------------------------------------------*/ +int prism2mgmt_reset(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_reset_t *msg = msgp; + DBFENTER; + + /* + * This is supported on both AP and STA and it's not allowed + * to fail. + */ + if ( msgp ) { + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + WLAN_LOG_INFO("dot11req_reset: the macaddress and " + "setdefaultmib arguments are currently unsupported.\n"); + } + + /* + * If we got this far, the MSD must be in the MSDRUNNING state + * therefore, we must stop and then restart the hw/MAC combo. + */ + hfa384x_drvr_stop(hw); + result = hfa384x_drvr_start(hw); + if (result != 0) { + WLAN_LOG_ERROR("dot11req_reset: Initialize command failed," + " bad things will happen from here.\n"); + return 0; + } + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_start +* +* Start a BSS. Any station can do this for IBSS, only AP for ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_start(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_dot11req_start_t *msg = msgp; + + p80211pstrd_t *pstr; + UINT8 bytebuf[80]; + hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t*)bytebuf; + hfa384x_PCFInfo_data_t *pcfinfo = (hfa384x_PCFInfo_data_t*)bytebuf; + UINT16 word; + DBFENTER; + + wlandev->macmode = WLAN_MACMODE_NONE; + + /* Set the SSID */ + memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data)); + + if (!hw->ap) { + /*** ADHOC IBSS ***/ + /* see if current f/w is less than 8c3 */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) < + HFA384x_FIRMWARE_VERSION(0,8,3)) { + /* Ad-Hoc not quite supported on Prism2 */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /*** STATION ***/ + /* Set the REQUIRED config items */ + /* SSID */ + pstr = (p80211pstrd_t*)&(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID, + bytebuf, HFA384x_RID_CNFOWNSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set CnfOwnSSID\n"); + goto failed; + } + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFDESIREDSSID, + bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set CnfDesiredSSID\n"); + goto failed; + } + + /* bsstype - we use the default in the ap firmware */ + /* IBSS port */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0); + + /* beacon period */ + word = msg->beaconperiod.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNINT, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set beacon period=%d.\n", word); + goto failed; + } + + /* dschannel */ + word = msg->dschannel.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set channel=%d.\n", word); + goto failed; + } + /* Basic rates */ + word = p80211rate_to_p2bit(msg->basicrate1.data); + if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate2.data); + } + if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate3.data); + } + if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate4.data); + } + if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate5.data); + } + if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate6.data); + } + if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate7.data); + } + if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate8.data); + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", word); + goto failed; + } + + /* Operational rates (supprates and txratecontrol) */ + word = p80211rate_to_p2bit(msg->operationalrate1.data); + if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate2.data); + } + if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate3.data); + } + if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate4.data); + } + if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate5.data); + } + if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate6.data); + } + if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate7.data); + } + if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate8.data); + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set supprates=%d.\n", word); + goto failed; + } + + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set txrates=%d.\n", word); + goto failed; + } + + /* Set the macmode so the frame setup code knows what to do */ + if ( msg->bsstype.data == P80211ENUM_bsstype_independent ) { + wlandev->macmode = WLAN_MACMODE_IBSS_STA; + /* lets extend the data length a bit */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304); + } + + /* Enable the Port */ + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result); + goto failed; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + + goto done; + } + + /*** ACCESS POINT ***/ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /* Validate the command, if BSStype=infra is the tertiary loaded? */ + if ( msg->bsstype.data == P80211ENUM_bsstype_independent ) { + WLAN_LOG_ERROR("AP driver cannot create IBSS.\n"); + goto failed; + } else if ( hw->cap_sup_sta.id != 5) { + WLAN_LOG_ERROR("AP driver failed to detect AP firmware.\n"); + goto failed; + } + + /* Set the REQUIRED config items */ + /* SSID */ + pstr = (p80211pstrd_t*)&(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID, + bytebuf, HFA384x_RID_CNFOWNSSID_LEN); + if ( result ) { + WLAN_LOG_ERROR("Failed to set SSID, result=0x%04x\n", result); + goto failed; + } + + /* bsstype - we use the default in the ap firmware */ + + /* beacon period */ + word = msg->beaconperiod.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNINT, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set beacon period=%d.\n", word); + goto failed; + } + + /* dschannel */ + word = msg->dschannel.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set channel=%d.\n", word); + goto failed; + } + /* Basic rates */ + word = p80211rate_to_p2bit(msg->basicrate1.data); + if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate2.data); + } + if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate3.data); + } + if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate4.data); + } + if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate5.data); + } + if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate6.data); + } + if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate7.data); + } + if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->basicrate8.data); + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", word); + goto failed; + } + + /* Operational rates (supprates and txratecontrol) */ + word = p80211rate_to_p2bit(msg->operationalrate1.data); + if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate2.data); + } + if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate3.data); + } + if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate4.data); + } + if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate5.data); + } + if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate6.data); + } + if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate7.data); + } + if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) { + word |= p80211rate_to_p2bit(msg->operationalrate8.data); + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set supprates=%d.\n", word); + goto failed; + } + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL0, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set txrates=%d.\n", word); + goto failed; + } + + /* ibssatimwindow */ + if (msg->ibssatimwindow.status == P80211ENUM_msgitem_status_data_ok) { + WLAN_LOG_INFO("prism2mgmt_start: atimwindow not used in " + "Infrastructure mode, ignored.\n"); + } + + /* DTIM period */ + word = msg->dtimperiod.data; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNDTIMPER, word); + if ( result ) { + WLAN_LOG_ERROR("Failed to set dtim period=%d.\n", word); + goto failed; + } + + /* probedelay */ + if (msg->probedelay.status == P80211ENUM_msgitem_status_data_ok) { + WLAN_LOG_INFO("prism2mgmt_start: probedelay not " + "supported in prism2, ignored.\n"); + } + + /* cfpollable, cfpollreq, cfpperiod, cfpmaxduration */ + if (msg->cfpollable.data == P80211ENUM_truth_true && + msg->cfpollreq.data == P80211ENUM_truth_true ) { + WLAN_LOG_ERROR("cfpollable=cfpollreq=true is illegal.\n"); + result = -1; + goto failed; + } + + /* read the PCFInfo and update */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFAPPCFINFO, + pcfinfo, HFA384x_RID_CNFAPPCFINFO_LEN); + if ( result ) { + WLAN_LOG_INFO("prism2mgmt_start: read(pcfinfo) failed, " + "assume it's " + "not supported, pcf settings ignored.\n"); + goto pcf_skip; + } + if ((msg->cfpollable.data == P80211ENUM_truth_false && + msg->cfpollreq.data == P80211ENUM_truth_false) ) { + pcfinfo->MediumOccupancyLimit = 0; + pcfinfo->CFPPeriod = 0; + pcfinfo->CFPMaxDuration = 0; + pcfinfo->CFPFlags &= host2hfa384x_16((UINT16)~BIT0); + + if ( msg->cfpperiod.status == P80211ENUM_msgitem_status_data_ok || + msg->cfpmaxduration.status == P80211ENUM_msgitem_status_data_ok ) { + WLAN_LOG_WARNING( + "Setting cfpperiod or cfpmaxduration when " + "cfpollable and cfreq are false is pointless.\n"); + } + } + if ((msg->cfpollable.data == P80211ENUM_truth_true || + msg->cfpollreq.data == P80211ENUM_truth_true) ) { + if ( msg->cfpollable.data == P80211ENUM_truth_true) { + pcfinfo->CFPFlags |= host2hfa384x_16((UINT16)BIT0); + } + + if ( msg->cfpperiod.status == P80211ENUM_msgitem_status_data_ok) { + pcfinfo->CFPPeriod = msg->cfpperiod.data; + pcfinfo->CFPPeriod = host2hfa384x_16(pcfinfo->CFPPeriod); + } + + if ( msg->cfpmaxduration.status == P80211ENUM_msgitem_status_data_ok) { + pcfinfo->CFPMaxDuration = msg->cfpmaxduration.data; + pcfinfo->CFPMaxDuration = host2hfa384x_16(pcfinfo->CFPMaxDuration); + pcfinfo->MediumOccupancyLimit = pcfinfo->CFPMaxDuration; + } + } + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFAPPCFINFO, + pcfinfo, HFA384x_RID_CNFAPPCFINFO_LEN); + if ( result ) { + WLAN_LOG_ERROR("write(pcfinfo) failed.\n"); + goto failed; + } + +pcf_skip: + /* Set the macmode so the frame setup code knows what to do */ + if ( msg->bsstype.data == P80211ENUM_bsstype_infrastructure ) { + wlandev->macmode = WLAN_MACMODE_ESS_AP; + /* lets extend the data length a bit */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304); + } + + /* Set the BSSID to the same as our MAC */ + memcpy( wlandev->bssid, wlandev->netdev->dev_addr, WLAN_BSSID_LEN); + + /* Enable the Port */ + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result); + goto failed; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + + goto done; +failed: + WLAN_LOG_DEBUG(1, "Failed to set a config option, result=%d\n", result); + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + +done: + result = 0; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_enable +* +* Start a BSS. Any station can do this for IBSS, only AP for ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_enable(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_enable_t *msg = msgp; + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* Ad-Hoc not quite supported on Prism2 */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + + /*** ACCESS POINT ***/ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /* Is the tertiary loaded? */ + if ( hw->cap_sup_sta.id != 5) { + WLAN_LOG_ERROR("AP driver failed to detect AP firmware.\n"); + goto failed; + } + + /* Set the macmode so the frame setup code knows what to do */ + wlandev->macmode = WLAN_MACMODE_ESS_AP; + + /* Set the BSSID to the same as our MAC */ + memcpy( wlandev->bssid, wlandev->netdev->dev_addr, WLAN_BSSID_LEN); + + /* Enable the Port */ + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result); + goto failed; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + + goto done; +failed: + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + +done: + result = 0; + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_readpda +* +* Collect the PDA data and put it in the message. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_readpda_t *msg = msgp; + int result; + DBFENTER; + + /* We only support collecting the PDA when in the FWLOAD + * state. + */ + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + WLAN_LOG_ERROR( + "PDA may only be read " + "in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + } else { + /* Call drvr_readpda(), it handles the auxport enable + * and validating the returned PDA. + */ + result = hfa384x_drvr_readpda( + hw, + msg->pda.data, + HFA384x_PDA_LEN_MAX); + if (result) { + WLAN_LOG_ERROR( + "hfa384x_drvr_readpda() failed, " + "result=%d\n", + result); + + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = + P80211ENUM_msgitem_status_data_ok; + DBFEXIT; + return 0; + } + msg->pda.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + } + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_readcis +* +* Collect the CIS data and put it in the message. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_readcis(wlandevice_t *wlandev, void *msgp) +{ + int result; + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_readcis_t *msg = msgp; + + DBFENTER; + + memset(msg->cis.data, 0, sizeof(msg->cis.data)); + + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CIS, + msg->cis.data, HFA384x_RID_CIS_LEN); + if ( result ) { + WLAN_LOG_INFO("prism2mgmt_readcis: read(cis) failed.\n"); + msg->cis.status = P80211ENUM_msgitem_status_no_value; + msg->resultcode.data = P80211ENUM_resultcode_implementation_failure; + + } + else { + msg->cis.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + } + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_auxport_state +* +* Enables/Disables the card's auxiliary port. Should be called +* before and after a sequence of auxport_read()/auxport_write() +* calls. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_auxport_state(wlandevice_t *wlandev, void *msgp) +{ + p80211msg_p2req_auxport_state_t *msg = msgp; + +#if (WLAN_HOSTIF != WLAN_USB) + hfa384x_t *hw = wlandev->priv; + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + if (msg->enable.data == P80211ENUM_truth_true) { + if ( hfa384x_cmd_aux_enable(hw, 0) ) { + msg->resultcode.data = P80211ENUM_resultcode_implementation_failure; + } else { + msg->resultcode.data = P80211ENUM_resultcode_success; + } + } else { + hfa384x_cmd_aux_disable(hw); + msg->resultcode.data = P80211ENUM_resultcode_success; + } + +#else /* !USB */ + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + +#endif /* WLAN_HOSTIF != WLAN_USB */ + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_auxport_read +* +* Copies data from the card using the auxport. The auxport must +* have previously been enabled. Note: this is not the way to +* do downloads, see the [ram|flash]dl functions. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_auxport_read(wlandevice_t *wlandev, void *msgp) +{ +#if (WLAN_HOSTIF != WLAN_USB) + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_auxport_read_t *msg = msgp; + UINT32 addr; + UINT32 len; + UINT8* buf; + UINT32 maxlen = sizeof(msg->data.data); + DBFENTER; + + if ( hw->auxen ) { + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if ( len <= maxlen ) { /* max read/write size */ + hfa384x_copy_from_aux(hw, addr, HFA384x_AUX_CTL_EXTDS, buf, len); + msg->resultcode.data = P80211ENUM_resultcode_success; + } else { + WLAN_LOG_DEBUG(1,"Attempt to read > maxlen from auxport.\n"); + msg->resultcode.data = P80211ENUM_resultcode_refused; + } + + } else { + msg->resultcode.data = P80211ENUM_resultcode_refused; + } + msg->data.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + DBFEXIT; + return 0; +#else + DBFENTER; + + WLAN_LOG_ERROR("prism2mgmt_auxport_read: Not supported on USB.\n"); + + DBFEXIT; + return 0; +#endif +} + + +/*---------------------------------------------------------------- +* prism2mgmt_auxport_write +* +* Copies data to the card using the auxport. The auxport must +* have previously been enabled. Note: this is not the way to +* do downloads, see the [ram|flash]dl functions. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_auxport_write(wlandevice_t *wlandev, void *msgp) +{ +#if (WLAN_HOSTIF != WLAN_USB) + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_auxport_write_t *msg = msgp; + UINT32 addr; + UINT32 len; + UINT8* buf; + UINT32 maxlen = sizeof(msg->data.data); + DBFENTER; + + if ( hw->auxen ) { + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if ( len <= maxlen ) { /* max read/write size */ + hfa384x_copy_to_aux(hw, addr, HFA384x_AUX_CTL_EXTDS, buf, len); + } else { + WLAN_LOG_DEBUG(1,"Attempt to write > maxlen from auxport.\n"); + msg->resultcode.data = P80211ENUM_resultcode_refused; + } + + } else { + msg->resultcode.data = P80211ENUM_resultcode_refused; + } + msg->data.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + DBFEXIT; + return 0; +#else + DBFENTER; + WLAN_LOG_ERROR("prism2mgmt_auxport_read: Not supported on USB.\n"); + DBFEXIT; + return 0; +#endif +} + +/*---------------------------------------------------------------- +* prism2mgmt_low_level +* +* Puts the card into the desired test mode. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_low_level(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_low_level_t *msg = msgp; + hfa384x_metacmd_t cmd; + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /* call some routine to execute the test command */ + cmd.cmd = (UINT16) msg->command.data; + cmd.parm0 = (UINT16) msg->param0.data; + cmd.parm1 = (UINT16) msg->param1.data; + cmd.parm2 = (UINT16) msg->param2.data; + + hfa384x_drvr_low_level(hw,&cmd); + + msg->resp0.data = (UINT32) cmd.result.resp0; + msg->resp1.data = (UINT32) cmd.result.resp1; + msg->resp2.data = (UINT32) cmd.result.resp2; + + msg->resultcode.data = P80211ENUM_resultcode_success; + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_test_command +* +* Puts the card into the desired test mode. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_test_command(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_test_command_t *msg = msgp; + hfa384x_metacmd_t cmd; + + DBFENTER; + + cmd.cmd = ((UINT16) msg->testcode.data) << 8 | 0x38; + cmd.parm0 = (UINT16) msg->testparam.data; + cmd.parm1 = 0; + cmd.parm2 = 0; + + /* call some routine to execute the test command */ + + hfa384x_drvr_low_level(hw,&cmd); + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + + msg->status.status = P80211ENUM_msgitem_status_data_ok; + msg->status.data = cmd.result.status; + msg->resp0.status = P80211ENUM_msgitem_status_data_ok; + msg->resp0.data = cmd.result.resp0; + msg->resp1.status = P80211ENUM_msgitem_status_data_ok; + msg->resp1.data = cmd.result.resp1; + msg->resp2.status = P80211ENUM_msgitem_status_data_ok; + msg->resp2.data = cmd.result.resp2; + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_mmi_read +* +* Read from one of the MMI registers. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_mmi_read(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_mmi_read_t *msg = msgp; + UINT32 resp = 0; + + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /* call some routine to execute the test command */ + + hfa384x_drvr_mmi_read(hw, msg->addr.data, &resp); + + /* I'm not sure if this is "architecturally" correct, but it + is expedient. */ + + msg->value.status = P80211ENUM_msgitem_status_data_ok; + msg->value.data = resp; + msg->resultcode.data = P80211ENUM_resultcode_success; + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_mmi_write +* +* Write a data value to one of the MMI registers. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_mmi_write(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_mmi_write_t *msg = msgp; + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + + /* call some routine to execute the test command */ + + hfa384x_drvr_mmi_write(hw, msg->addr.data, msg->data.data); + + msg->resultcode.data = P80211ENUM_resultcode_success; + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_ramdl_state +* +* Establishes the beginning/end of a card RAM download session. +* +* It is expected that the ramdl_write() function will be called +* one or more times between the 'enable' and 'disable' calls to +* this function. +* +* Note: This function should not be called when a mac comm port +* is active. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_ramdl_state_t *msg = msgp; + DBFENTER; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + WLAN_LOG_ERROR( + "ramdl_state(): may only be called " + "in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + DBFEXIT; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + if ( msg->enable.data == P80211ENUM_truth_true ) { + if ( hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data) ) { + msg->resultcode.data = P80211ENUM_resultcode_implementation_failure; + } else { + msg->resultcode.data = P80211ENUM_resultcode_success; + } + } else { + hfa384x_drvr_ramdl_disable(hw); + msg->resultcode.data = P80211ENUM_resultcode_success; + } + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_ramdl_write +* +* Writes a buffer to the card RAM using the download state. This +* is for writing code to card RAM. To just read or write raw data +* use the aux functions. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_ramdl_write_t *msg = msgp; + UINT32 addr; + UINT32 len; + UINT8 *buf; + DBFENTER; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + WLAN_LOG_ERROR( + "ramdl_write(): may only be called " + "in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + DBFEXIT; + return 0; + } + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + /* first validate the length */ + if ( msg->len.data > sizeof(msg->data.data) ) { + msg->resultcode.status = P80211ENUM_resultcode_invalid_parameters; + return 0; + } + /* call the hfa384x function to do the write */ + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if ( hfa384x_drvr_ramdl_write(hw, addr, buf, len) ) { + msg->resultcode.data = P80211ENUM_resultcode_refused; + + } + msg->resultcode.data = P80211ENUM_resultcode_success; + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_flashdl_state +* +* Establishes the beginning/end of a card Flash download session. +* +* It is expected that the flashdl_write() function will be called +* one or more times between the 'enable' and 'disable' calls to +* this function. +* +* Note: This function should not be called when a mac comm port +* is active. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_flashdl_state_t *msg = msgp; + DBFENTER; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + WLAN_LOG_ERROR( + "flashdl_state(): may only be called " + "in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + DBFEXIT; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + if ( msg->enable.data == P80211ENUM_truth_true ) { + if ( hfa384x_drvr_flashdl_enable(hw) ) { + msg->resultcode.data = P80211ENUM_resultcode_implementation_failure; + } else { + msg->resultcode.data = P80211ENUM_resultcode_success; + } + } else { + hfa384x_drvr_flashdl_disable(hw); + msg->resultcode.data = P80211ENUM_resultcode_success; + /* NOTE: At this point, the MAC is in the post-reset + * state and the driver is in the fwload state. + * We need to get the MAC back into the fwload + * state. To do this, we set the nsdstate to HWPRESENT + * and then call the ifstate function to redo everything + * that got us into the fwload state. + */ + wlandev->msdstate = WLAN_MSD_HWPRESENT; + result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload); + if (result != P80211ENUM_resultcode_success) { + WLAN_LOG_ERROR("prism2sta_ifstate(fwload) failed," + "P80211ENUM_resultcode=%d\n", result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + result = -1; + } + } + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_flashdl_write +* +* +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + p80211msg_p2req_flashdl_write_t *msg = msgp; + UINT32 addr; + UINT32 len; + UINT8 *buf; + DBFENTER; + + if (wlandev->msdstate != WLAN_MSD_FWLOAD) { + WLAN_LOG_ERROR( + "flashdl_write(): may only be called " + "in the fwload state.\n"); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + DBFEXIT; + return 0; + } + + /* + ** Note: Interrupts are locked out if this is an AP and are NOT + ** locked out if this is a station. + */ + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + /* first validate the length */ + if ( msg->len.data > sizeof(msg->data.data) ) { + msg->resultcode.status = + P80211ENUM_resultcode_invalid_parameters; + return 0; + } + /* call the hfa384x function to do the write */ + addr = msg->addr.data; + len = msg->len.data; + buf = msg->data.data; + if ( hfa384x_drvr_flashdl_write(hw, addr, buf, len) ) { + msg->resultcode.data = P80211ENUM_resultcode_refused; + + } + msg->resultcode.data = P80211ENUM_resultcode_success; + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_dump_state +* +* Dumps the driver's and hardware's current state via the kernel +* log at KERN_NOTICE level. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_dump_state(wlandevice_t *wlandev, void *msgp) +{ + p80211msg_p2req_dump_state_t *msg = msgp; + int result = 0; + +#if (WLAN_HOSTIF != WLAN_USB) + hfa384x_t *hw = wlandev->priv; + UINT16 auxbuf[15]; + DBFENTER; + + WLAN_LOG_NOTICE("prism2 driver and hardware state:\n"); + if ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) { + WLAN_LOG_ERROR("aux_enable failed, result=%d\n", result); + goto failed; + } + hfa384x_copy_from_aux(hw, + 0x01e2, + HFA384x_AUX_CTL_EXTDS, + auxbuf, + sizeof(auxbuf)); + hfa384x_cmd_aux_disable(hw); + WLAN_LOG_NOTICE(" cmac: FreeBlocks=%d\n", auxbuf[5]); + WLAN_LOG_NOTICE(" cmac: IntEn=0x%02x EvStat=0x%02x\n", + hfa384x_getreg(hw, HFA384x_INTEN), + hfa384x_getreg(hw, HFA384x_EVSTAT)); + + #ifdef USE_FID_STACK + WLAN_LOG_NOTICE(" drvr: txfid_top=%d stacksize=%d\n", + hw->txfid_top,HFA384x_DRVR_FIDSTACKLEN_MAX); + #else + WLAN_LOG_NOTICE(" drvr: txfid_head=%d txfid_tail=%d txfid_N=%d\n", + hw->txfid_head, hw->txfid_tail, hw->txfid_N); + #endif + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + +#else /* (WLAN_HOSTIF == WLAN_USB) */ + + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto failed; + +#endif /* (WLAN_HOSTIF != WLAN_USB) */ + +failed: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* prism2mgmt_channel_info +* +* Issues a ChannelInfoRequest. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_channel_info(wlandevice_t *wlandev, void *msgp) +{ + p80211msg_p2req_channel_info_t *msg=msgp; + hfa384x_t *hw = wlandev->priv; + int result, i, n=0; + UINT16 channel_mask=0; + hfa384x_ChannelInfoRequest_data_t chinforeq; + // unsigned long now; + + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* Not supported in STA f/w */ + P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_not_supported); + goto done; + } + + /*** ACCESS POINT ***/ + +#define CHINFO_TIMEOUT 2 + + P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_success); + + /* setting default value for channellist = all channels */ + if (!msg->channellist.data) { + P80211_SET_INT(msg->channellist, 0x00007FFE); + } + /* setting default value for channeldwelltime = 100 ms */ + if (!msg->channeldwelltime.data) { + P80211_SET_INT(msg->channeldwelltime, 100); + } + channel_mask = (UINT16) (msg->channellist.data >> 1); + for (i=0, n=0; i < 14; i++) { + if (channel_mask & (1<numchinfo, n); + chinforeq.channelList = host2hfa384x_16(channel_mask); + chinforeq.channelDwellTime = host2hfa384x_16(msg->channeldwelltime.data); + + atomic_set(&hw->channel_info.done, 1); + + result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CHANNELINFOREQUEST, + &chinforeq, HFA384x_RID_CHANNELINFOREQUEST_LEN); + if ( result ) { + WLAN_LOG_ERROR("setconfig(CHANNELINFOREQUEST) failed. result=%d\n", + result); + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + /* + now = jiffies; + while (atomic_read(&hw->channel_info.done) != 1) { + if ((jiffies - now) > CHINFO_TIMEOUT*HZ) { + WLAN_LOG_NOTICE("ChannelInfo results not received in %d seconds, aborting.\n", + CHINFO_TIMEOUT); + msg->resultcode.data = P80211ENUM_resultcode_timeout; + goto done; + } + current->state = TASK_INTERRUPTIBLE; + schedule_timeout(HZ/4); + current->state = TASK_RUNNING; + } + */ + +done: + + DBFEXIT; + return 0; +} + +/*---------------------------------------------------------------- +* prism2mgmt_channel_info_results +* +* Returns required ChannelInfo result. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +----------------------------------------------------------------*/ +int prism2mgmt_channel_info_results(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + + p80211msg_p2req_channel_info_results_t *msg=msgp; + int result=0; + int channel; + + DBFENTER; + + if (!hw->ap) { + + /*** STATION ***/ + + /* Not supported in STA f/w */ + P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_not_supported); + goto done; + } + + /*** ACCESS POINT ***/ + + switch (atomic_read(&hw->channel_info.done)) { + case 0: msg->resultcode.status = P80211ENUM_msgitem_status_no_value; + goto done; + case 1: msg->resultcode.status = P80211ENUM_msgitem_status_incomplete_itemdata; + goto done; + } + + P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_success); + channel=msg->channel.data-1; + + if (channel < 0 || ! (hw->channel_info.results.scanchannels & 1<resultcode.data = P80211ENUM_resultcode_invalid_parameters; + goto done; + } + WLAN_LOG_DEBUG(2, "chinfo_results: channel %d, avg/peak level=%d/%d dB, active=%d\n", + channel+1, + hw->channel_info.results.result[channel].anl, + hw->channel_info.results.result[channel].pnl, + hw->channel_info.results.result[channel].active + ); + P80211_SET_INT(msg->avgnoiselevel, hw->channel_info.results.result[channel].anl); + P80211_SET_INT(msg->peaknoiselevel, hw->channel_info.results.result[channel].pnl); + P80211_SET_INT(msg->bssactive, hw->channel_info.results.result[channel].active & + HFA384x_CHINFORESULT_BSSACTIVE + ? P80211ENUM_truth_true + : P80211ENUM_truth_false) ; + P80211_SET_INT(msg->pcfactive, hw->channel_info.results.result[channel].active & + HFA384x_CHINFORESULT_PCFACTIVE + ? P80211ENUM_truth_true + : P80211ENUM_truth_false) ; + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_autojoin +* +* Associate with an ESS. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + int result = 0; + UINT16 reg; + UINT16 port_type; + p80211msg_lnxreq_autojoin_t *msg = msgp; + p80211pstrd_t *pstr; + UINT8 bytebuf[256]; + hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t*)bytebuf; + DBFENTER; + + wlandev->macmode = WLAN_MACMODE_NONE; + + /* Set the SSID */ + memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data)); + + if (hw->ap) { + + /*** ACCESS POINT ***/ + + /* Never supported on AP */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + + /* Disable the Port */ + hfa384x_drvr_disable(hw, 0); + + /*** STATION ***/ + /* Set the TxRates */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f); + + /* Set the auth type */ + if ( msg->authtype.data == P80211ENUM_authalg_sharedkey ) { + reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY; + } else { + reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM; + } + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg); + + /* Set the ssid */ + memset(bytebuf, 0, 256); + pstr = (p80211pstrd_t*)&(msg->ssid.data); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig( + hw, HFA384x_RID_CNFDESIREDSSID, + bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN); +#if 0 + /* we can use the new-fangled auto-unknown mode if the firmware + is 1.3.3 or newer */ + if (HFA384x_FIRMARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) >= + HFA384x_FIRMWARE_VERSION(1,3,3)) { + /* Set up the IBSS options */ + reg = HFA384x_CREATEIBSS_JOINESS_JOINCREATEIBSS; + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CREATEIBSS, reg); + + /* Set the PortType */ + port_type = HFA384x_PORTTYPE_IBSS; + } else { + port_type = HFA384x_PORTTYPE_BSS; + } +#else + port_type = HFA384x_PORTTYPE_BSS; +#endif + /* Set the PortType */ + hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type); + + /* Enable the Port */ + hfa384x_drvr_enable(hw, 0); + + /* Set the resultcode */ + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_wlansniff +* +* Start or stop sniffing. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp) +{ + int result = 0; + p80211msg_lnxreq_wlansniff_t *msg = msgp; + + hfa384x_t *hw = wlandev->priv; + UINT16 word; + + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + switch (msg->enable.data) + { + case P80211ENUM_truth_false: + /* Confirm that we're in monitor mode */ + if ( wlandev->netdev->type == ARPHRD_ETHER ) { + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + result = 0; + goto exit; + } + /* Disable monitor mode */ + result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to disable monitor mode, result=%d\n", + result); + goto failed; + } + /* Disable port 0 */ + result = hfa384x_drvr_disable(hw, 0); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to disable port 0 after sniffing, result=%d\n", + result); + goto failed; + } + /* Clear the driver state */ + wlandev->netdev->type = ARPHRD_ETHER; + + /* Restore the wepflags */ + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFWEPFLAGS, + hw->presniff_wepflags); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to restore wepflags=0x%04x, result=%d\n", + hw->presniff_wepflags, + result); + goto failed; + } + + /* Set the port to its prior type and enable (if necessary) */ + if (hw->presniff_port_type != 0 ) { + word = hw->presniff_port_type; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, word); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to restore porttype, result=%d\n", + result); + goto failed; + } + + /* Enable the port */ + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_DEBUG(1, "failed to enable port to presniff setting, result=%d\n", result); + goto failed; + } + } else { + result = hfa384x_drvr_disable(hw, 0); + + } + + WLAN_LOG_INFO("monitor mode disabled\n"); + msg->resultcode.data = P80211ENUM_resultcode_success; + result = 0; + goto exit; + break; + case P80211ENUM_truth_true: + /* Disable the port (if enabled), only check Port 0 */ + if ( hw->port_enabled[0]) { + if (wlandev->netdev->type == ARPHRD_ETHER) { + /* Save macport 0 state */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFPORTTYPE, + &(hw->presniff_port_type)); + if ( result ) { + WLAN_LOG_DEBUG(1,"failed to read porttype, result=%d\n", result); + goto failed; + } + /* Save the wepflags state */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_CNFWEPFLAGS, + &(hw->presniff_wepflags)); + if ( result ) { + WLAN_LOG_DEBUG(1,"failed to read wepflags, result=%d\n", result); + goto failed; + } + hfa384x_drvr_stop(hw); + result = hfa384x_drvr_start(hw); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to restart the card for sniffing, result=%d\n", + result); + goto failed; + } + } else { + /* Disable the port */ + result = hfa384x_drvr_disable(hw, 0); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to enable port for sniffing, result=%d\n", + result); + goto failed; + } + } + } else { + hw->presniff_port_type = 0; + } + + /* Set the channel we wish to sniff */ + word = msg->channel.data; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFOWNCHANNEL, word); + hw->sniff_channel=word; + + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to set channel %d, result=%d\n", + word, + result); + goto failed; + } + + /* Now if we're already sniffing, we can skip the rest */ + if (wlandev->netdev->type != ARPHRD_ETHER) { + /* Set the port type to pIbss */ + word = HFA384x_PORTTYPE_PSUEDOIBSS; + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_CNFPORTTYPE, word); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to set porttype %d, result=%d\n", + word, + result); + goto failed; + } + if ((msg->keepwepflags.status == P80211ENUM_msgitem_status_data_ok) && (msg->keepwepflags.data != P80211ENUM_truth_true)) { + /* Set the wepflags for no decryption */ + word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT | + HFA384x_WEPFLAGS_DISABLE_RXCRYPT; + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFWEPFLAGS, word); + } + + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to set wepflags=0x%04x, result=%d\n", + word, + result); + goto failed; + } + } + + /* Do we want to strip the FCS in monitor mode? */ + if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok) && (msg->stripfcs.data == P80211ENUM_truth_true)) { + hw->sniff_fcs = 0; + } else { + hw->sniff_fcs = 1; + } + + /* Do we want to truncate the packets? */ + if (msg->packet_trunc.status == P80211ENUM_msgitem_status_data_ok) { + hw->sniff_truncate = msg->packet_trunc.data; + } else { + hw->sniff_truncate = 0; + } + + /* Enable the port */ + result = hfa384x_drvr_enable(hw, 0); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to enable port for sniffing, result=%d\n", + result); + goto failed; + } + /* Enable monitor mode */ + result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE); + if ( result ) { + WLAN_LOG_DEBUG(1, + "failed to enable monitor mode, result=%d\n", + result); + goto failed; + } + + if (wlandev->netdev->type == ARPHRD_ETHER) { + WLAN_LOG_INFO("monitor mode enabled\n"); + } + + /* Set the driver state */ + /* Do we want the prism2 header? */ + if ((msg->prismheader.status == P80211ENUM_msgitem_status_data_ok) && (msg->prismheader.data == P80211ENUM_truth_true)) { + hw->sniffhdr = 0; + wlandev->netdev->type = ARPHRD_IEEE80211_PRISM; + } else if ((msg->wlanheader.status == P80211ENUM_msgitem_status_data_ok) && (msg->wlanheader.data == P80211ENUM_truth_true)) { + hw->sniffhdr = 1; + wlandev->netdev->type = ARPHRD_IEEE80211_PRISM; + } else { + wlandev->netdev->type = ARPHRD_IEEE80211; + } + + msg->resultcode.data = P80211ENUM_resultcode_success; + result = 0; + goto exit; + break; + default: + msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; + result = 0; + goto exit; + break; + } + +failed: + msg->resultcode.data = P80211ENUM_resultcode_refused; + result = 0; +exit: + + DBFEXIT; + return result; +} diff --git a/drivers/staging/wlan-ng/prism2mgmt.h b/drivers/staging/wlan-ng/prism2mgmt.h new file mode 100644 index 000000000000..733fd999c928 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2mgmt.h @@ -0,0 +1,182 @@ +/* prism2mgmt.h +* +* Declares the mgmt command handler functions +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file contains the constants and data structures for interaction +* with the hfa384x Wireless LAN (WLAN) Media Access Contoller (MAC). +* The hfa384x is a portion of the Harris PRISM(tm) WLAN chipset. +* +* [Implementation and usage notes] +* +* [References] +* CW10 Programmer's Manual v1.5 +* IEEE 802.11 D10.0 +* +* -------------------------------------------------------------------- +*/ + +#ifndef _PRISM2MGMT_H +#define _PRISM2MGMT_H + + +/*=============================================================*/ +/*------ Constants --------------------------------------------*/ + +/*=============================================================*/ +/*------ Macros -----------------------------------------------*/ + +/*=============================================================*/ +/*------ Types and their related constants --------------------*/ + +/*=============================================================*/ +/*------ Static variable externs ------------------------------*/ + +#if (WLAN_HOSTIF != WLAN_USB) +extern int prism2_bap_timeout; +extern int prism2_irq_evread_max; +#endif +extern int prism2_debug; +extern int prism2_reset_holdtime; +extern int prism2_reset_settletime; +/*=============================================================*/ +/*--- Function Declarations -----------------------------------*/ +/*=============================================================*/ + +UINT32 +prism2sta_ifstate(wlandevice_t *wlandev, UINT32 ifstate); + +void +prism2sta_ev_dtim(wlandevice_t *wlandev); +void +prism2sta_ev_infdrop(wlandevice_t *wlandev); +void +prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +void +prism2sta_ev_txexc(wlandevice_t *wlandev, UINT16 status); +void +prism2sta_ev_tx(wlandevice_t *wlandev, UINT16 status); +void +prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb); +void +prism2sta_ev_alloc(wlandevice_t *wlandev); + + +int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_powermgmt(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_join(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_p2_join(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_authenticate(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_deauthenticate(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_associate(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_reassociate(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_disassociate(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_reset(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_start(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_readcis(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_auxport_state(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_auxport_read(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_auxport_write(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_low_level(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_test_command(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_mmi_read(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_mmi_write(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_mm_state(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_dump_state(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_enable(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_channel_info(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_channel_info_results(wlandevice_t *wlandev, void *msgp); +int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp); + +/*--------------------------------------------------------------- +* conversion functions going between wlan message data types and +* Prism2 data types +---------------------------------------------------------------*/ +/* byte area conversion functions*/ +void prism2mgmt_pstr2bytearea(UINT8 *bytearea, p80211pstrd_t *pstr); +void prism2mgmt_bytearea2pstr(UINT8 *bytearea, p80211pstrd_t *pstr, int len); + +/* byte string conversion functions*/ +void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr); +void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr); + +/* integer conversion functions */ +void prism2mgmt_prism2int2p80211int(UINT16 *prism2int, UINT32 *wlanint); +void prism2mgmt_p80211int2prism2int(UINT16 *prism2int, UINT32 *wlanint); + +/* enumerated integer conversion functions */ +void prism2mgmt_prism2enum2p80211enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid); +void prism2mgmt_p80211enum2prism2enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid); + +/* functions to convert a bit area to/from an Operational Rate Set */ +void prism2mgmt_get_oprateset(UINT16 *rate, p80211pstrd_t *pstr); +void prism2mgmt_set_oprateset(UINT16 *rate, p80211pstrd_t *pstr); + +/* functions to convert Group Addresses */ +void prism2mgmt_get_grpaddr(UINT32 did, + p80211pstrd_t *pstr, hfa384x_t *priv ); +int prism2mgmt_set_grpaddr(UINT32 did, + UINT8 *prism2buf, p80211pstrd_t *pstr, hfa384x_t *priv ); +int prism2mgmt_get_grpaddr_index( UINT32 did ); + +void prism2sta_processing_defer(struct work_struct *data); + +void prism2sta_commsqual_defer(struct work_struct *data); +void prism2sta_commsqual_timer(unsigned long data); + +/*=============================================================*/ +/*--- Inline Function Definitions (if supported) --------------*/ +/*=============================================================*/ + + + +#endif diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c new file mode 100644 index 000000000000..268fd9bba1ef --- /dev/null +++ b/drivers/staging/wlan-ng/prism2mib.c @@ -0,0 +1,3799 @@ +/* src/prism2/driver/prism2mib.c +* +* Management request for mibset/mibget +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* The functions in this file handle the mibset/mibget management +* functions. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ +#define WLAN_DBVAR prism2_debug + +#include "version.h" + + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "wlan_compat.h" + +//#if (WLAN_HOSTIF == WLAN_PCMCIA) +//#include +//#include +//#include +//#include +//#include +//#include +//#endif +// +//#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI)) +//#include +//#include +//endif + +//#if (WLAN_HOSTIF == WLAN_USB) +#include +//#endif + +#include "wlan_compat.h" + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/*================================================================*/ +/* Local Constants */ + +#define MIB_TMP_MAXLEN 200 /* Max length of RID record (in bytes). */ + +/*================================================================*/ +/* Local Types */ + +#define F_AP 0x1 /* MIB is supported on Access Points. */ +#define F_STA 0x2 /* MIB is supported on stations. */ +#define F_READ 0x4 /* MIB may be read. */ +#define F_WRITE 0x8 /* MIB may be written. */ + +typedef struct mibrec +{ + UINT32 did; + UINT16 flag; + UINT16 parm1; + UINT16 parm2; + UINT16 parm3; + int (*func)(struct mibrec *mib, + int isget, + wlandevice_t *wlandev, + hfa384x_t *hw, + p80211msg_dot11req_mibset_t *msg, + void *data); +} mibrec_t; + +/*================================================================*/ +/* Local Function Declarations */ + +static int prism2mib_bytestr2pstr( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_bytearea2pstr( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_uint32( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_uint32array( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_uint32offset( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_truth( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_preamble( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_flag( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_appcfinfoflag( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_regulatorydomains( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_wepdefaultkey( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_powermanagement( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_privacyinvoked( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_excludeunencrypted( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_fragmentationthreshold( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_operationalrateset( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_groupaddress( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_fwid( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_authalg( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_authalgenable( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static int prism2mib_priv( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data); + +static void prism2mib_priv_authlist( +hfa384x_t *hw, +prism2sta_authlist_t *list); + +static void prism2mib_priv_accessmode( +hfa384x_t *hw, +UINT32 mode); + +static void prism2mib_priv_accessallow( +hfa384x_t *hw, +p80211macarray_t *macarray); + +static void prism2mib_priv_accessdeny( +hfa384x_t *hw, +p80211macarray_t *macarray); + +static void prism2mib_priv_deauthenticate( +hfa384x_t *hw, +UINT8 *addr); + +/*================================================================*/ +/* Local Static Definitions */ + +static mibrec_t mibtab[] = { + + /* dot11smt MIB's */ + + { DIDmib_dot11smt_dot11StationConfigTable_dot11StationID, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11MediumOccupancyLimit, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 0, + prism2mib_uint32offset }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPollable, + F_STA | F_READ, + HFA384x_RID_CFPOLLABLE, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPPeriod, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 1, + prism2mib_uint32offset }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPMaxDuration, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 2, + prism2mib_uint32offset }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticationResponseTimeOut, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFAUTHRSPTIMEOUT, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11PrivacyOptionImplemented, + F_AP | F_STA | F_READ, + HFA384x_RID_PRIVACYOPTIMP, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11PowerManagementMode, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPMENABLED, 0, 0, + prism2mib_powermanagement }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredSSID, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFDESIREDSSID, HFA384x_RID_CNFDESIREDSSID_LEN, 0, + prism2mib_bytestr2pstr }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet, + F_STA | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL, 0, 0, + prism2mib_operationalrateset }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL0, 0, 0, + prism2mib_operationalrateset }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11BeaconPeriod, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPBCNINT, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11DTIMPeriod, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNDTIMPER, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11StationConfigTable_dot11AssociationResponseTimeOut, + F_AP | F_STA | F_READ, + HFA384x_RID_PROTOCOLRSPTIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm1, + F_AP | F_STA | F_READ, + 1, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm2, + F_AP | F_STA | F_READ, + 2, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm3, + F_AP | F_STA | F_READ, + 3, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm4, + F_AP | F_STA | F_READ, + 4, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm5, + F_AP | F_STA | F_READ, + 5, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm6, + F_AP | F_STA | F_READ, + 6, 0, 0, + prism2mib_authalg }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable1, + F_AP | F_STA | F_READ | F_WRITE, + 1, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable2, + F_AP | F_STA | F_READ | F_WRITE, + 2, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable3, + F_AP | F_STA | F_READ | F_WRITE, + 3, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable4, + F_AP | F_STA | F_READ | F_WRITE, + 4, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable5, + F_AP | F_STA | F_READ | F_WRITE, + 5, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable6, + F_AP | F_STA | F_READ | F_WRITE, + 6, 0, 0, + prism2mib_authalgenable }, + { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_PRIVINVOKED, 0, + prism2mib_privacyinvoked }, + { DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_EXCLUDE, 0, + prism2mib_excludeunencrypted }, + { DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFSHORTPREAMBLE, 0, 0, + prism2mib_preamble }, + + /* dot11mac MIB's */ + + { DIDmib_dot11mac_dot11OperationTable_dot11MACAddress, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold, + F_STA | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH0, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit, + F_AP | F_STA | F_READ, + HFA384x_RID_SHORTRETRYLIMIT, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit, + F_AP | F_STA | F_READ, + HFA384x_RID_LONGRETRYLIMIT, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold, + F_STA | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH0, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime, + F_AP | F_STA | F_READ, + HFA384x_RID_MAXTXLIFETIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11OperationTable_dot11MaxReceiveLifetime, + F_AP | F_STA | F_READ, + HFA384x_RID_MAXRXLIFETIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32, + F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_groupaddress }, + + /* dot11phy MIB's */ + + { DIDmib_dot11phy_dot11PhyOperationTable_dot11PHYType, + F_AP | F_STA | F_READ, + HFA384x_RID_PHYTYPE, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11phy_dot11PhyOperationTable_dot11TempType, + F_AP | F_STA | F_READ, + HFA384x_RID_TEMPTYPE, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel, + F_STA | F_READ, + HFA384x_RID_CURRENTCHANNEL, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel, + F_AP | F_READ, + HFA384x_RID_CNFOWNCHANNEL, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentCCAMode, + F_AP | F_STA | F_READ, + HFA384x_RID_CCAMODE, 0, 0, + prism2mib_uint32 }, + + /* p2Table MIB's */ + + { DIDmib_p2_p2Table_p2MMTx, + F_AP | F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2EarlyBeacon, + F_AP | F_READ | F_WRITE, + BIT7, 0, 0, + prism2mib_appcfinfoflag }, + { DIDmib_p2_p2Table_p2ReceivedFrameStatistics, + F_AP | F_STA | F_READ, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2CommunicationTallies, + F_AP | F_STA | F_READ, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2Authenticated, + F_AP | F_READ, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2Associated, + F_AP | F_READ, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2PowerSaveUserCount, + F_AP | F_READ, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2Comment, + F_AP | F_STA | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2AccessMode, + F_AP | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2AccessAllow, + F_AP | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2AccessDeny, + F_AP | F_READ | F_WRITE, + 0, 0, 0, + prism2mib_priv }, + { DIDmib_p2_p2Table_p2ChannelInfoResults, + F_AP | F_READ, + 0, 0, 0, + prism2mib_priv }, + + /* p2Static MIB's */ + + { DIDmib_p2_p2Static_p2CnfPortType, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPORTTYPE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfOwnMACAddress, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfDesiredSSID, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFDESIREDSSID, HFA384x_RID_CNFDESIREDSSID_LEN, 0, + prism2mib_bytestr2pstr }, + { DIDmib_p2_p2Static_p2CnfOwnChannel, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNCHANNEL, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfOwnSSID, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNSSID, HFA384x_RID_CNFOWNSSID_LEN, 0, + prism2mib_bytestr2pstr }, + { DIDmib_p2_p2Static_p2CnfOwnATIMWindow, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNATIMWIN, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfSystemScale, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFSYSSCALE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfMaxDataLength, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFMAXDATALEN, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfWDSAddress, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR, HFA384x_RID_CNFWDSADDR_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfPMEnabled, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPMENABLED, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfPMEPS, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPMEPS, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfMulticastReceive, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFMULTICASTRX, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfMaxSleepDuration, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFMAXSLEEPDUR, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfPMHoldoverDuration, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPMHOLDDUR, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfOwnName, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNNAME, HFA384x_RID_CNFOWNNAME_LEN, 0, + prism2mib_bytestr2pstr }, + { DIDmib_p2_p2Static_p2CnfOwnDTIMPeriod, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFOWNDTIMPER, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfWDSAddress1, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR1, HFA384x_RID_CNFWDSADDR1_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfWDSAddress2, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR2, HFA384x_RID_CNFWDSADDR2_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfWDSAddress3, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR3, HFA384x_RID_CNFWDSADDR3_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfWDSAddress4, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR4, HFA384x_RID_CNFWDSADDR4_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfWDSAddress5, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR5, HFA384x_RID_CNFWDSADDR5_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfWDSAddress6, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFWDSADDR6, HFA384x_RID_CNFWDSADDR6_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2Static_p2CnfMulticastPMBuffering, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFMCASTPMBUFF, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfWEPDefaultKeyID, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfWEPDefaultKey0, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_p2_p2Static_p2CnfWEPDefaultKey1, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_p2_p2Static_p2CnfWEPDefaultKey2, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_p2_p2Static_p2CnfWEPDefaultKey3, + F_AP | F_STA | F_WRITE, + HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0, + prism2mib_wepdefaultkey }, + { DIDmib_p2_p2Static_p2CnfWEPFlags, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWEPFLAGS, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfAuthentication, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFAUTHENTICATION, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfMaxAssociatedStations, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFMAXASSOCSTATIONS, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfTxControl, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFTXCONTROL, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfRoamingMode, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFROAMINGMODE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfHostAuthentication, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFHOSTAUTHASSOC, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfRcvCrcError, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFRCVCRCERROR, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfAltRetryCount, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFALTRETRYCNT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfBeaconInterval, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPBCNINT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfMediumOccupancyLimit, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 0, + prism2mib_uint32offset }, + { DIDmib_p2_p2Static_p2CnfCFPPeriod, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 1, + prism2mib_uint32offset }, + { DIDmib_p2_p2Static_p2CnfCFPMaxDuration, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 2, + prism2mib_uint32offset }, + { DIDmib_p2_p2Static_p2CnfCFPFlags, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 3, + prism2mib_uint32offset }, + { DIDmib_p2_p2Static_p2CnfSTAPCFInfo, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFSTAPCFINFO, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfPriorityQUsage, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFPRIORITYQUSAGE, HFA384x_RID_CNFPRIOQUSAGE_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2Static_p2CnfTIMCtrl, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFTIMCTRL, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfThirty2Tally, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFTHIRTY2TALLY, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfEnhSecurity, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFENHSECURITY, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfShortPreamble, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFSHORTPREAMBLE, 0, 0, + prism2mib_preamble }, + { DIDmib_p2_p2Static_p2CnfExcludeLongPreamble, + F_AP | F_READ | F_WRITE, + HFA384x_RID_CNFEXCLONGPREAMBLE, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Static_p2CnfAuthenticationRspTO, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFAUTHRSPTIMEOUT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfBasicRates, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFBASICRATES, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Static_p2CnfSupportedRates, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFSUPPRATES, 0, 0, + prism2mib_uint32 }, + + /* p2Dynamic MIB's */ + + { DIDmib_p2_p2Dynamic_p2CreateIBSS, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CREATEIBSS, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold, + F_STA | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold, + F_STA | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl, + F_STA | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2PromiscuousMode, + F_STA | F_READ | F_WRITE, + HFA384x_RID_PROMISCMODE, 0, 0, + prism2mib_truth }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold0, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH0, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold1, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH1, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold2, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH2, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold3, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH3, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold4, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH4, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold5, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH5, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2FragmentationThreshold6, + F_AP | F_READ | F_WRITE, + HFA384x_RID_FRAGTHRESH6, 0, 0, + prism2mib_fragmentationthreshold }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold0, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH0, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold1, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH1, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold2, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH2, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold3, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH3, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold4, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH4, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold5, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH5, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2RTSThreshold6, + F_AP | F_READ | F_WRITE, + HFA384x_RID_RTSTHRESH6, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl0, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL0, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl1, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL1, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl2, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL2, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl3, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL3, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl4, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL4, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl5, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL5, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Dynamic_p2TxRateControl6, + F_AP | F_READ | F_WRITE, + HFA384x_RID_TXRATECNTL6, 0, 0, + prism2mib_uint32 }, + + /* p2Behavior MIB's */ + + { DIDmib_p2_p2Behavior_p2TickTime, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_ITICKTIME, 0, 0, + prism2mib_uint32 }, + + /* p2NIC MIB's */ + + { DIDmib_p2_p2NIC_p2MaxLoadTime, + F_AP | F_STA | F_READ, + HFA384x_RID_MAXLOADTIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2NIC_p2DLBufferPage, + F_AP | F_STA | F_READ, + HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 0, + prism2mib_uint32offset }, + { DIDmib_p2_p2NIC_p2DLBufferOffset, + F_AP | F_STA | F_READ, + HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 1, + prism2mib_uint32offset }, + { DIDmib_p2_p2NIC_p2DLBufferLength, + F_AP | F_STA | F_READ, + HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 2, + prism2mib_uint32offset }, + { DIDmib_p2_p2NIC_p2PRIIdentity, + F_AP | F_STA | F_READ, + HFA384x_RID_PRIIDENTITY, HFA384x_RID_PRIIDENTITY_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2PRISupRange, + F_AP | F_STA | F_READ, + HFA384x_RID_PRISUPRANGE, HFA384x_RID_PRISUPRANGE_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2CFIActRanges, + F_AP | F_STA | F_READ, + HFA384x_RID_PRI_CFIACTRANGES, HFA384x_RID_CFIACTRANGES_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2BuildSequence, + F_AP | F_STA | F_READ, + HFA384x_RID_BUILDSEQ, HFA384x_RID_BUILDSEQ_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2PrimaryFWID, + F_AP | F_STA | F_READ, + 0, 0, 0, + prism2mib_fwid }, + { DIDmib_p2_p2NIC_p2SecondaryFWID, + F_AP | F_STA | F_READ, + 0, 0, 0, + prism2mib_fwid }, + { DIDmib_p2_p2NIC_p2TertiaryFWID, + F_AP | F_READ, + 0, 0, 0, + prism2mib_fwid }, + { DIDmib_p2_p2NIC_p2NICSerialNumber, + F_AP | F_STA | F_READ, + HFA384x_RID_NICSERIALNUMBER, HFA384x_RID_NICSERIALNUMBER_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2NIC_p2NICIdentity, + F_AP | F_STA | F_READ, + HFA384x_RID_NICIDENTITY, HFA384x_RID_NICIDENTITY_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2MFISupRange, + F_AP | F_STA | F_READ, + HFA384x_RID_MFISUPRANGE, HFA384x_RID_MFISUPRANGE_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2CFISupRange, + F_AP | F_STA | F_READ, + HFA384x_RID_CFISUPRANGE, HFA384x_RID_CFISUPRANGE_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2ChannelList, + F_AP | F_STA | F_READ, + HFA384x_RID_CHANNELLIST, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2NIC_p2RegulatoryDomains, + F_AP | F_STA | F_READ, + HFA384x_RID_REGULATORYDOMAINS, HFA384x_RID_REGULATORYDOMAINS_LEN, 0, + prism2mib_regulatorydomains }, + { DIDmib_p2_p2NIC_p2TempType, + F_AP | F_STA | F_READ, + HFA384x_RID_TEMPTYPE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2NIC_p2STAIdentity, + F_AP | F_STA | F_READ, + HFA384x_RID_STAIDENTITY, HFA384x_RID_STAIDENTITY_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2STASupRange, + F_AP | F_STA | F_READ, + HFA384x_RID_STASUPRANGE, HFA384x_RID_STASUPRANGE_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2MFIActRanges, + F_AP | F_STA | F_READ, + HFA384x_RID_STA_MFIACTRANGES, HFA384x_RID_MFIACTRANGES_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2NIC_p2STACFIActRanges, + F_AP | F_STA | F_READ, + HFA384x_RID_STA_CFIACTRANGES, HFA384x_RID_CFIACTRANGES2_LEN, 0, + prism2mib_uint32array }, + + /* p2MAC MIB's */ + + { DIDmib_p2_p2MAC_p2PortStatus, + F_STA | F_READ, + HFA384x_RID_PORTSTATUS, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentSSID, + F_STA | F_READ, + HFA384x_RID_CURRENTSSID, HFA384x_RID_CURRENTSSID_LEN, 0, + prism2mib_bytestr2pstr }, + { DIDmib_p2_p2MAC_p2CurrentBSSID, + F_STA | F_READ, + HFA384x_RID_CURRENTBSSID, HFA384x_RID_CURRENTBSSID_LEN, 0, + prism2mib_bytearea2pstr }, + { DIDmib_p2_p2MAC_p2CommsQuality, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2MAC_p2CommsQualityCQ, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2CommsQualityASL, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 1, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2CommsQualityANL, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 2, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2dbmCommsQuality, + F_STA | F_READ, + HFA384x_RID_DBMCOMMSQUALITY, HFA384x_RID_DBMCOMMSQUALITY_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2MAC_p2dbmCommsQualityCQ, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2dbmCommsQualityASL, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 1, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2dbmCommsQualityANL, + F_STA | F_READ, + HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 2, + prism2mib_uint32offset }, + { DIDmib_p2_p2MAC_p2CurrentTxRate, + F_STA | F_READ, + HFA384x_RID_CURRENTTXRATE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentBeaconInterval, + F_AP | F_STA | F_READ, + HFA384x_RID_CURRENTBCNINT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2StaCurrentScaleThresholds, + F_STA | F_READ, + HFA384x_RID_CURRENTSCALETHRESH, HFA384x_RID_STACURSCALETHRESH_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2MAC_p2APCurrentScaleThresholds, + F_AP | F_READ, + HFA384x_RID_CURRENTSCALETHRESH, HFA384x_RID_APCURSCALETHRESH_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2MAC_p2ProtocolRspTime, + F_AP | F_STA | F_READ, + HFA384x_RID_PROTOCOLRSPTIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2ShortRetryLimit, + F_AP | F_STA | F_READ, + HFA384x_RID_SHORTRETRYLIMIT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2LongRetryLimit, + F_AP | F_STA | F_READ, + HFA384x_RID_LONGRETRYLIMIT, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2MaxTransmitLifetime, + F_AP | F_STA | F_READ, + HFA384x_RID_MAXTXLIFETIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2MaxReceiveLifetime, + F_AP | F_STA | F_READ, + HFA384x_RID_MAXRXLIFETIME, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CFPollable, + F_STA | F_READ, + HFA384x_RID_CFPOLLABLE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2AuthenticationAlgorithms, + F_AP | F_STA | F_READ, + HFA384x_RID_AUTHALGORITHMS, HFA384x_RID_AUTHALGORITHMS_LEN, 0, + prism2mib_uint32array }, + { DIDmib_p2_p2MAC_p2PrivacyOptionImplemented, + F_AP | F_STA | F_READ, + HFA384x_RID_PRIVACYOPTIMP, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate1, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE1, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate2, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE2, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate3, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE3, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate4, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE4, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate5, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE5, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2CurrentTxRate6, + F_AP | F_READ, + HFA384x_RID_CURRENTTXRATE6, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2MAC_p2OwnMACAddress, + F_AP | F_READ, + HFA384x_RID_OWNMACADDRESS, HFA384x_RID_OWNMACADDRESS_LEN, 0, + prism2mib_bytearea2pstr }, + + /* p2Modem MIB's */ + + { DIDmib_p2_p2Modem_p2PHYType, + F_AP | F_STA | F_READ, + HFA384x_RID_PHYTYPE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Modem_p2CurrentChannel, + F_AP | F_STA | F_READ, + HFA384x_RID_CURRENTCHANNEL, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Modem_p2CurrentPowerState, + F_AP | F_STA | F_READ, + HFA384x_RID_CURRENTPOWERSTATE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Modem_p2CCAMode, + F_AP | F_STA | F_READ, + HFA384x_RID_CCAMODE, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Modem_p2TxPowerMax, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_TXPOWERMAX, 0, 0, + prism2mib_uint32 }, + { DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel, + F_AP | F_STA | F_READ | F_WRITE, + HFA384x_RID_TXPOWERMAX, 0, 0, + prism2mib_uint32 }, + { DIDmib_p2_p2Modem_p2SupportedDataRates, + F_AP | F_STA | F_READ, + HFA384x_RID_SUPPORTEDDATARATES, HFA384x_RID_SUPPORTEDDATARATES_LEN, 0, + prism2mib_bytestr2pstr }, + + /* And finally, lnx mibs */ + { DIDmib_lnx_lnxConfigTable_lnxRSNAIE, + F_STA | F_READ | F_WRITE, + HFA384x_RID_CNFWPADATA, 0, 0, + prism2mib_priv }, + { 0, 0, 0, 0, 0, NULL}}; + +/*---------------------------------------------------------------- +These MIB's are not supported at this time: + +DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityPresent +DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityEnabled +DIDmib_dot11phy_dot11PhyDSSSTable_dot11PBCCOptionImplemented +DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportIndex +DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxIndex +DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxValue +DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxIndex +DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxValue + +DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportValue +TODO: need to investigate why wlan has this as enumerated and Prism2 has this + as btye str. + +DIDmib_dot11phy_dot11PhyDSSSTable_dot11ShortPreambleOptionImplemented +TODO: Find out the firmware version number(s) for identifying + whether the firmware is capable of short preamble. TRUE or FALSE + will be returned based on the version of the firmware. + +WEP Key mappings aren't supported in the f/w. +DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingIndex +DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingAddress +DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingWEPOn +DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingValue +DIDmib_dot11smt_dot11PrivacyTable_dot11WEPKeyMappingLength + +TODO: implement counters. +DIDmib_dot11smt_dot11PrivacyTable_dot11WEPICVErrorCount +DIDmib_dot11smt_dot11PrivacyTable_dot11WEPExcludedCount +DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFragmentCount +DIDmib_dot11mac_dot11CountersTable_dot11MulticastTransmittedFrameCount +DIDmib_dot11mac_dot11CountersTable_dot11FailedCount +DIDmib_dot11mac_dot11CountersTable_dot11RetryCount +DIDmib_dot11mac_dot11CountersTable_dot11MultipleRetryCount +DIDmib_dot11mac_dot11CountersTable_dot11FrameDuplicateCount +DIDmib_dot11mac_dot11CountersTable_dot11RTSSuccessCount +DIDmib_dot11mac_dot11CountersTable_dot11RTSFailureCount +DIDmib_dot11mac_dot11CountersTable_dot11ACKFailureCount +DIDmib_dot11mac_dot11CountersTable_dot11ReceivedFragmentCount +DIDmib_dot11mac_dot11CountersTable_dot11MulticastReceivedFrameCount +DIDmib_dot11mac_dot11CountersTable_dot11FCSErrorCount +DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFrameCount +DIDmib_dot11mac_dot11CountersTable_dot11WEPUndecryptableCount + +TODO: implement sane values for these. +DIDmib_dot11mac_dot11OperationTable_dot11ManufacturerID +DIDmib_dot11mac_dot11OperationTable_dot11ProductID + +Not too worried about these at the moment. +DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentTxAntenna +DIDmib_dot11phy_dot11PhyAntennaTable_dot11DiversitySupport +DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentRxAntenna +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11NumberSupportedPowerLevels +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8 +DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel + +Ummm, FH and IR don't apply +DIDmib_dot11phy_dot11PhyFHSSTable_dot11HopTime +DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentChannelNumber +DIDmib_dot11phy_dot11PhyFHSSTable_dot11MaxDwellTime +DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentDwellTime +DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentSet +DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentPattern +DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentIndex +DIDmib_dot11phy_dot11PhyDSSSTable_dot11CCAModeSupported +DIDmib_dot11phy_dot11PhyDSSSTable_dot11EDThreshold +DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMax +DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMax +DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMin +DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMin + +We just don't have enough antennas right now to worry about this. +DIDmib_dot11phy_dot11AntennasListTable_dot11AntennaListIndex +DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedTxAntenna +DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedRxAntenna +DIDmib_dot11phy_dot11AntennasListTable_dot11DiversitySelectionRx + +------------------------------------------------------------------*/ + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* prism2mgmt_mibset_mibget +* +* Set the value of a mib item. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* 0 success and done +* <0 success, but we're waiting for something to finish. +* >0 an error occurred while handling the message. +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ + +int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp) +{ + hfa384x_t *hw = wlandev->priv; + int result, isget; + mibrec_t *mib; + UINT16 which; + + p80211msg_dot11req_mibset_t *msg = msgp; + p80211itemd_t *mibitem; + + DBFENTER; + + msg->resultcode.status = P80211ENUM_msgitem_status_data_ok; + msg->resultcode.data = P80211ENUM_resultcode_success; + + /* + ** Determine if this is an Access Point or a station. + */ + + which = hw->ap ? F_AP : F_STA; + + /* + ** Find the MIB in the MIB table. Note that a MIB may be in the + ** table twice...once for an AP and once for a station. Make sure + ** to get the correct one. Note that DID=0 marks the end of the + ** MIB table. + */ + + mibitem = (p80211itemd_t *) msg->mibattribute.data; + + for (mib = mibtab; mib->did != 0; mib++) + if (mib->did == mibitem->did && (mib->flag & which)) + break; + + if (mib->did == 0) { + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + goto done; + } + + /* + ** Determine if this is a "mibget" or a "mibset". If this is a + ** "mibget", then make sure that the MIB may be read. Otherwise, + ** this is a "mibset" so make make sure that the MIB may be written. + */ + + isget = (msg->msgcode == DIDmsg_dot11req_mibget); + + if (isget) { + if (!(mib->flag & F_READ)) { + msg->resultcode.data = + P80211ENUM_resultcode_cant_get_writeonly_mib; + goto done; + } + } else { + if (!(mib->flag & F_WRITE)) { + msg->resultcode.data = + P80211ENUM_resultcode_cant_set_readonly_mib; + goto done; + } + } + + /* + ** Execute the MIB function. If things worked okay, then make + ** sure that the MIB function also worked okay. If so, and this + ** is a "mibget", then the status value must be set for both the + ** "mibattribute" parameter and the mib item within the data + ** portion of the "mibattribute". + */ + + result = mib->func(mib, isget, wlandev, hw, msg, + (void *) mibitem->data); + + if (msg->resultcode.data == P80211ENUM_resultcode_success) { + if (result != 0) { + WLAN_LOG_DEBUG(1, "get/set failure, result=%d\n", + result); + msg->resultcode.data = + P80211ENUM_resultcode_implementation_failure; + } else { + if (isget) { + msg->mibattribute.status = + P80211ENUM_msgitem_status_data_ok; + mibitem->status = + P80211ENUM_msgitem_status_data_ok; + } + } + } + +done: + DBFEXIT; + + return(0); +} + +/*---------------------------------------------------------------- +* prism2mib_bytestr2pstr +* +* Get/set pstr data to/from a byte string. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_bytestr2pstr( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + hfa384x_bytestr_t *p2bytestr = (hfa384x_bytestr_t*) bytebuf; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2); + prism2mgmt_bytestr2pstr(p2bytestr, pstr); + } else { + memset(bytebuf, 0, mib->parm2); + prism2mgmt_pstr2bytestr(p2bytestr, pstr); + result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_bytearea2pstr +* +* Get/set pstr data to/from a byte area. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_bytearea2pstr( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2); + prism2mgmt_bytearea2pstr(bytebuf, pstr, mib->parm2); + } else { + memset(bytebuf, 0, mib->parm2); + prism2mgmt_pstr2bytearea(bytebuf, pstr); + result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_uint32 +* +* Get/set uint32 data. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_uint32( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf); + *uint32 = *wordbuf; + /* [MSM] Removed, getconfig16 returns the value in host order. + * prism2mgmt_prism2int2p80211int(wordbuf, uint32); + */ + } else { + /* [MSM] Removed, setconfig16 expects host order. + * prism2mgmt_p80211int2prism2int(wordbuf, uint32); + */ + *wordbuf = *uint32; + result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_uint32array +* +* Get/set an array of uint32 data. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_uint32array( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32 *) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + int i, cnt; + + DBFENTER; + + cnt = mib->parm2 / sizeof(UINT16); + + if (isget) { + result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2); + for (i = 0; i < cnt; i++) + prism2mgmt_prism2int2p80211int(wordbuf+i, uint32+i); + } else { + for (i = 0; i < cnt; i++) + prism2mgmt_p80211int2prism2int(wordbuf+i, uint32+i); + result = hfa384x_drvr_setconfig(hw, mib->parm1, wordbuf, mib->parm2); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_uint32offset +* +* Get/set a single element in an array of uint32 data. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Element index. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_uint32offset( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + UINT16 cnt; + + DBFENTER; + + cnt = mib->parm2 / sizeof(UINT16); + + result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2); + if (result == 0) { + if (isget) { + if (mib->parm3 < cnt) + prism2mgmt_prism2int2p80211int(wordbuf+mib->parm3, uint32); + else + *uint32 = 0; + } else { + if (mib->parm3 < cnt) { + prism2mgmt_p80211int2prism2int(wordbuf+mib->parm3, uint32); + result = hfa384x_drvr_setconfig(hw, mib->parm1, wordbuf, mib->parm2); + } + } + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_truth +* +* Get/set truth data. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_truth( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf); + *uint32 = (*wordbuf) ? + P80211ENUM_truth_true : P80211ENUM_truth_false; + } else { + *wordbuf = ((*uint32) == P80211ENUM_truth_true) ? 1 : 0; + result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_flag +* +* Get/set a flag. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Bit to get/set. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_flag( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + UINT32 flags; + + DBFENTER; + + result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf); + if (result == 0) { + /* [MSM] Removed, getconfig16 returns the value in host order. + * prism2mgmt_prism2int2p80211int(wordbuf, &flags); + */ + flags = *wordbuf; + if (isget) { + *uint32 = (flags & mib->parm2) ? + P80211ENUM_truth_true : P80211ENUM_truth_false; + } else { + if ((*uint32) == P80211ENUM_truth_true) + flags |= mib->parm2; + else + flags &= ~mib->parm2; + /* [MSM] Removed, setconfig16 expects host order. + * prism2mgmt_p80211int2prism2int(wordbuf, &flags); + */ + *wordbuf = flags; + result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf); + } + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_appcfinfoflag +* +* Get/set a single flag in the APPCFINFO record. +* +* MIB record parameters: +* parm1 Bit to get/set. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_appcfinfoflag( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + UINT16 word; + + DBFENTER; + + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFAPPCFINFO, + bytebuf, HFA384x_RID_CNFAPPCFINFO_LEN); + if (result == 0) { + if (isget) { + *uint32 = (hfa384x2host_16(wordbuf[3]) & mib->parm1) ? + P80211ENUM_truth_true : P80211ENUM_truth_false; + } else { + word = hfa384x2host_16(wordbuf[3]); + word = ((*uint32) == P80211ENUM_truth_true) ? + (word | mib->parm1) : (word & ~mib->parm1); + wordbuf[3] = host2hfa384x_16(word); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFAPPCFINFO, + bytebuf, HFA384x_RID_CNFAPPCFINFO_LEN); + } + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_regulatorydomains +* +* Get regulatory domain data. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_regulatorydomains( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 cnt; + p80211pstrd_t *pstr = (p80211pstrd_t*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + + DBFENTER; + + result = 0; + + if (isget) { + result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2); + prism2mgmt_prism2int2p80211int(wordbuf, &cnt); + pstr->len = (UINT8) cnt; + memcpy(pstr->data, &wordbuf[1], pstr->len); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_wepdefaultkey +* +* Get/set WEP default keys. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Number of bytes of RID data. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_wepdefaultkey( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 len; + + DBFENTER; + + if (isget) { + result = 0; /* Should never happen. */ + } else { + len = (pstr->len > 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN : + HFA384x_RID_CNFWEPDEFAULTKEY_LEN; + memset(bytebuf, 0, len); + prism2mgmt_pstr2bytearea(bytebuf, pstr); + result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, len); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_powermanagement +* +* Get/set 802.11 power management value. Note that this is defined differently +* by 802.11 and Prism2: +* +* Meaning 802.11 Prism2 +* active 1 false +* powersave 2 true +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_powermanagement( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT32 value; + + DBFENTER; + + if (isget) { + result = prism2mib_uint32(mib, isget, wlandev, hw, msg, &value); + *uint32 = (value == 0) ? 1 : 2; + } else { + value = ((*uint32) == 1) ? 0 : 1; + result = prism2mib_uint32(mib, isget, wlandev, hw, msg, &value); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_preamble +* +* Get/set Prism2 short preamble +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_preamble( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf); + *uint32 = *wordbuf; + } else { + *wordbuf = *uint32; + result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_privacyinvoked +* +* Get/set the dot11PrivacyInvoked value. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Bit value for PrivacyInvoked flag. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_privacyinvoked( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + + DBFENTER; + + if (wlandev->hostwep & HOSTWEP_DECRYPT) { + if (wlandev->hostwep & HOSTWEP_DECRYPT) + mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_RXCRYPT; + if (wlandev->hostwep & HOSTWEP_ENCRYPT) + mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_TXCRYPT; + } + + result = prism2mib_flag(mib, isget, wlandev, hw, msg, data); + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_excludeunencrypted +* +* Get/set the dot11ExcludeUnencrypted value. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Bit value for ExcludeUnencrypted flag. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_excludeunencrypted( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + + DBFENTER; + + result = prism2mib_flag(mib, isget, wlandev, hw, msg, data); + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_fragmentationthreshold +* +* Get/set the fragmentation threshold. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_fragmentationthreshold( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + + DBFENTER; + + if (!isget) + if ((*uint32) % 2) { + WLAN_LOG_WARNING("Attempt to set odd number " + "FragmentationThreshold\n"); + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + return(0); + } + + result = prism2mib_uint32(mib, isget, wlandev, hw, msg, data); + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_operationalrateset +* +* Get/set the operational rate set. +* +* MIB record parameters: +* parm1 Prism2 RID value. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_operationalrateset( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t *) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 *wordbuf = (UINT16*) bytebuf; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf); + prism2mgmt_get_oprateset(wordbuf, pstr); + } else { + prism2mgmt_set_oprateset(wordbuf, pstr); + result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf); + result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, *wordbuf); + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_groupaddress +* +* Get/set the dot11GroupAddressesTable. +* +* MIB record parameters: +* parm1 Not used. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_groupaddress( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t *) data; + UINT8 bytebuf[MIB_TMP_MAXLEN]; + UINT16 len; + + DBFENTER; + + /* TODO: fix this. f/w doesn't support mcast filters */ + + if (isget) { + prism2mgmt_get_grpaddr(mib->did, pstr, hw); + return(0); + } + + result = prism2mgmt_set_grpaddr(mib->did, bytebuf, pstr, hw); + if (result != 0) { + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + return(result); + } + + if (hw->dot11_grpcnt <= MAX_PRISM2_GRP_ADDR) { + len = hw->dot11_grpcnt * WLAN_ADDR_LEN; + memcpy(bytebuf, hw->dot11_grp_addr[0], len); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_GROUPADDR, bytebuf, len); + + /* + ** Turn off promiscuous mode if count is equal to MAX. We may + ** have been at a higher count in promiscuous mode and need to + ** turn it off. + */ + + /* but only if we're not already in promisc mode. :) */ + if ((hw->dot11_grpcnt == MAX_PRISM2_GRP_ADDR) && + !( wlandev->netdev->flags & IFF_PROMISC)) { + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_PROMISCMODE, 0); + } + } else { + + /* + ** Clear group addresses in card and set to promiscuous mode. + */ + + memset(bytebuf, 0, sizeof(bytebuf)); + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_GROUPADDR, + bytebuf, 0); + if (result == 0) { + result = hfa384x_drvr_setconfig16(hw, + HFA384x_RID_PROMISCMODE, 1); + } + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_fwid +* +* Get the firmware ID. +* +* MIB record parameters: +* parm1 Not used. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_fwid( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + p80211pstrd_t *pstr = (p80211pstrd_t *) data; + hfa384x_FWID_t fwid; + + DBFENTER; + + if (isget) { + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_FWID, + &fwid, HFA384x_RID_FWID_LEN); + if (mib->did == DIDmib_p2_p2NIC_p2PrimaryFWID) { + fwid.primary[HFA384x_FWID_LEN - 1] = '\0'; + pstr->len = strlen(fwid.primary); + memcpy(pstr->data, fwid.primary, pstr->len); + } else { + fwid.secondary[HFA384x_FWID_LEN - 1] = '\0'; + pstr->len = strlen(fwid.secondary); + memcpy(pstr->data, fwid.secondary, pstr->len); + } + } else + result = 0; /* Should never happen. */ + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_authalg +* +* Get values from the AuhtenticationAlgorithmsTable. +* +* MIB record parameters: +* parm1 Table index (1-6). +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_authalg( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + UINT32 *uint32 = (UINT32*) data; + + DBFENTER; + + /* MSM: pkx supplied code that code queries RID FD4D....but the f/w's + * results are bogus. Therefore, we have to simulate the appropriate + * results here in the driver based on our knowledge of existing MAC + * features. That's the whole point behind this ugly function. + */ + + if (isget) { + msg->resultcode.data = P80211ENUM_resultcode_success; + switch (mib->parm1) { + case 1: /* Open System */ + *uint32 = P80211ENUM_authalg_opensystem; + break; + case 2: /* SharedKey */ + *uint32 = P80211ENUM_authalg_sharedkey; + break; + default: + *uint32 = 0; + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + break; + } + } + + DBFEXIT; + return(0); +} + +/*---------------------------------------------------------------- +* prism2mib_authalgenable +* +* Get/set the enable values from the AuhtenticationAlgorithmsTable. +* +* MIB record parameters: +* parm1 Table index (1-6). +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_authalgenable( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + int result; + UINT32 *uint32 = (UINT32*) data; + + int index; + UINT16 cnf_auth; + UINT16 mask; + + DBFENTER; + + index = mib->parm1 - 1; + + result = hfa384x_drvr_getconfig16( hw, + HFA384x_RID_CNFAUTHENTICATION, &cnf_auth); + WLAN_LOG_DEBUG(2,"cnfAuthentication0=%d, index=%d\n", cnf_auth, index); + + if (isget) { + if ( index == 0 || index == 1 ) { + *uint32 = (cnf_auth & (1<resultcode.data = P80211ENUM_resultcode_not_supported; + } + } else { + if ( index == 0 || index == 1 ) { + mask = 1 << index; + if (*uint32==P80211ENUM_truth_true ) { + cnf_auth |= mask; + } else { + cnf_auth &= ~mask; + } + result = hfa384x_drvr_setconfig16( hw, + HFA384x_RID_CNFAUTHENTICATION, cnf_auth); + WLAN_LOG_DEBUG(2,"cnfAuthentication:=%d\n", cnf_auth); + if ( result ) { + WLAN_LOG_DEBUG(1,"Unable to set p2cnfAuthentication to %d\n", cnf_auth); + msg->resultcode.data = P80211ENUM_resultcode_implementation_failure; + } + } else { + msg->resultcode.data = P80211ENUM_resultcode_not_supported; + } + } + + DBFEXIT; + return(result); +} + +/*---------------------------------------------------------------- +* prism2mib_priv +* +* Get/set values in the "priv" data structure. +* +* MIB record parameters: +* parm1 Not used. +* parm2 Not used. +* parm3 Not used. +* +* Arguments: +* mib MIB record. +* isget MIBGET/MIBSET flag. +* wlandev wlan device structure. +* priv "priv" structure. +* hw "hw" structure. +* msg Message structure. +* data Data buffer. +* +* Returns: +* 0 - Success. +* ~0 - Error. +* +----------------------------------------------------------------*/ + +static int prism2mib_priv( +mibrec_t *mib, +int isget, +wlandevice_t *wlandev, +hfa384x_t *hw, +p80211msg_dot11req_mibset_t *msg, +void *data) +{ + UINT32 *uint32 = (UINT32*) data; + p80211pstrd_t *pstr = (p80211pstrd_t*) data; + p80211macarray_t *macarray = (p80211macarray_t *) data; + + int i, cnt, result, done; + + prism2sta_authlist_t old; + + /* + ** "test" is a lot longer than necessary but who cares? ...as long as + ** it is long enough! + */ + + UINT8 test[sizeof(wlandev->rx) + sizeof(hw->tallies)]; + + DBFENTER; + + switch (mib->did) { + case DIDmib_p2_p2Table_p2ReceivedFrameStatistics: + + /* + ** Note: The values in this record are changed by the + ** interrupt handler and therefore cannot be guaranteed + ** to be stable while they are being copied. However, + ** the interrupt handler will take priority over this + ** code. Hence, if the same values are copied twice, + ** then we are ensured that the values have not been + ** changed. If they have, then just try again. Don't + ** try more than 10 times...if we still haven't got it, + ** then the values we do have are probably good enough. + ** This scheme for copying values is used in order to + ** prevent having to block the interrupt handler while + ** we copy the values. + */ + + if (isget) + for (i = 0; i < 10; i++) { + memcpy(data, &wlandev->rx, sizeof(wlandev->rx)); + memcpy(test, &wlandev->rx, sizeof(wlandev->rx)); + if (memcmp(data, test, sizeof(wlandev->rx)) == 0) break; + } + + break; + + case DIDmib_p2_p2Table_p2CommunicationTallies: + + /* + ** Note: The values in this record are changed by the + ** interrupt handler and therefore cannot be guaranteed + ** to be stable while they are being copied. See the + ** note above about copying values. + */ + + if (isget) { + result = hfa384x_drvr_commtallies(hw); + + /* ?????? We need to wait a bit here for the */ + /* tallies to get updated. ?????? */ + /* MSM: TODO: The right way to do this is to + * add a "commtallie" wait queue to the + * priv structure that gets run every time + * we receive a commtally info frame. + * This process would sleep on that + * queue and get awakened when the + * the requested info frame arrives. + * Don't have time to do and test this + * right now. + */ + + /* Ugh, this is nasty. */ + for (i = 0; i < 10; i++) { + memcpy(data, + &hw->tallies, + sizeof(hw->tallies)); + memcpy(test, + &hw->tallies, + sizeof(hw->tallies)); + if ( memcmp(data, + test, + sizeof(hw->tallies)) == 0) + break; + } + } + + break; + + case DIDmib_p2_p2Table_p2Authenticated: + + if (isget) { + prism2mib_priv_authlist(hw, &old); + + macarray->cnt = 0; + for (i = 0; i < old.cnt; i++) { + if (!old.assoc[i]) { + memcpy(macarray->data[macarray->cnt], old.addr[i], WLAN_ADDR_LEN); + macarray->cnt++; + } + } + } + + break; + + case DIDmib_p2_p2Table_p2Associated: + + if (isget) { + prism2mib_priv_authlist(hw, &old); + + macarray->cnt = 0; + for (i = 0; i < old.cnt; i++) { + if (old.assoc[i]) { + memcpy(macarray->data[macarray->cnt], old.addr[i], WLAN_ADDR_LEN); + macarray->cnt++; + } + } + } + + break; + + case DIDmib_p2_p2Table_p2PowerSaveUserCount: + + if (isget) + *uint32 = hw->psusercount; + + break; + + case DIDmib_p2_p2Table_p2Comment: + + if (isget) { + pstr->len = strlen(hw->comment); + memcpy(pstr->data, hw->comment, pstr->len); + } else { + cnt = pstr->len; + if (cnt < 0) cnt = 0; + if (cnt >= sizeof(hw->comment)) + cnt = sizeof(hw->comment)-1; + memcpy(hw->comment, pstr->data, cnt); + pstr->data[cnt] = '\0'; + } + + break; + + case DIDmib_p2_p2Table_p2AccessMode: + + if (isget) + *uint32 = hw->accessmode; + else + prism2mib_priv_accessmode(hw, *uint32); + + break; + + case DIDmib_p2_p2Table_p2AccessAllow: + + if (isget) { + macarray->cnt = hw->allow.cnt; + memcpy(macarray->data, hw->allow.addr, + macarray->cnt*WLAN_ADDR_LEN); + } else { + prism2mib_priv_accessallow(hw, macarray); + } + + break; + + case DIDmib_p2_p2Table_p2AccessDeny: + + if (isget) { + macarray->cnt = hw->deny.cnt; + memcpy(macarray->data, hw->deny.addr, + macarray->cnt*WLAN_ADDR_LEN); + } else { + prism2mib_priv_accessdeny(hw, macarray); + } + + break; + + case DIDmib_p2_p2Table_p2ChannelInfoResults: + + if (isget) { + done = atomic_read(&hw->channel_info.done); + if (done == 0) { + msg->resultcode.status = P80211ENUM_msgitem_status_no_value; + break; + } + if (done == 1) { + msg->resultcode.status = P80211ENUM_msgitem_status_incomplete_itemdata; + break; + } + + for (i = 0; i < 14; i++, uint32 += 5) { + uint32[0] = i+1; + uint32[1] = hw->channel_info.results.result[i].anl; + uint32[2] = hw->channel_info.results.result[i].pnl; + uint32[3] = (hw->channel_info.results.result[i].active & HFA384x_CHINFORESULT_BSSACTIVE) ? 1 : 0; + uint32[4] = (hw->channel_info.results.result[i].active & HFA384x_CHINFORESULT_PCFACTIVE) ? 1 : 0; + } + } + + break; + + case DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType: + + if (isget) + *uint32 = hw->dot11_desired_bss_type; + else + hw->dot11_desired_bss_type = *uint32; + + break; + + case DIDmib_lnx_lnxConfigTable_lnxRSNAIE: { + hfa384x_WPAData_t wpa; + if (isget) { + hfa384x_drvr_getconfig( hw, HFA384x_RID_CNFWPADATA, + (UINT8 *) &wpa, sizeof(wpa)); + pstr->len = hfa384x2host_16(wpa.datalen); + memcpy(pstr->data, wpa.data, pstr->len); + } else { + wpa.datalen = host2hfa384x_16(pstr->len); + memcpy(wpa.data, pstr->data, pstr->len); + + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFWPADATA, + (UINT8 *) &wpa, sizeof(wpa)); + } + break; + } + default: + WLAN_LOG_ERROR("Unhandled DID 0x%08x\n", mib->did); + } + + DBFEXIT; + return(0); +} + +/*---------------------------------------------------------------- +* prism2mib_priv_authlist +* +* Get a copy of the list of authenticated stations. +* +* Arguments: +* priv "priv" structure. +* list List of authenticated stations. +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +static void prism2mib_priv_authlist( +hfa384x_t *hw, +prism2sta_authlist_t *list) +{ + prism2sta_authlist_t test; + int i; + + DBFENTER; + + /* + ** Note: The values in this record are changed by the interrupt + ** handler and therefore cannot be guaranteed to be stable while + ** they are being copied. However, the interrupt handler will + ** take priority over this code. Hence, if the same values are + ** copied twice, then we are ensured that the values have not + ** been changed. If they have, then just try again. Don't try + ** more than 10 times...the list of authenticated stations is + ** unlikely to be changing frequently enough that we can't get + ** a snapshot in 10 tries. Don't try more than this so that we + ** don't risk locking-up for long periods of time. If we still + ** haven't got the snapshot, then generate an error message and + ** return an empty list (since this is the only valid list that + ** we can guarentee). This scheme for copying values is used in + ** order to prevent having to block the interrupt handler while + ** we copy the values. + */ + + for (i = 0; i < 10; i++) { + memcpy(list, &hw->authlist, sizeof(prism2sta_authlist_t)); + memcpy(&test, &hw->authlist, sizeof(prism2sta_authlist_t)); + if (memcmp(list, &test, sizeof(prism2sta_authlist_t)) == 0) + break; + } + + if (i >= 10) { + list->cnt = 0; + WLAN_LOG_ERROR("Could not obtain snapshot of authenticated stations.\n"); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2mib_priv_accessmode +* +* Set the Access Mode. +* +* Arguments: +* priv "priv" structure. +* hw "hw" structure. +* mode New access mode. +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +static void prism2mib_priv_accessmode( +hfa384x_t *hw, +UINT32 mode) +{ + prism2sta_authlist_t old; + int i, j, deauth; + UINT8 *addr; + + DBFENTER; + + /* + ** If the mode is not changing or it is changing to "All", then it's + ** okay to go ahead without a lot of messing around. Otherwise, the + ** access mode is changing in a way that may leave some stations + ** authenticated which should not be authenticated. It will be + ** necessary to de-authenticate these stations. + */ + + if (mode == WLAN_ACCESS_ALL || mode == hw->accessmode) { + hw->accessmode = mode; + return; + } + + /* + ** Switch to the new access mode. Once this is done, then the interrupt + ** handler (which uses this value) will be prevented from authenticating + ** ADDITIONAL stations which should not be authenticated. Then get a + ** copy of the current list of authenticated stations. + */ + + hw->accessmode = mode; + + prism2mib_priv_authlist(hw, &old); + + /* + ** Now go through the list of previously authenticated stations (some + ** of which might de-authenticate themselves while we are processing it + ** but that is okay). Any station which no longer matches the access + ** mode, must be de-authenticated. + */ + + for (i = 0; i < old.cnt; i++) { + addr = old.addr[i]; + + if (mode == WLAN_ACCESS_NONE) + deauth = 1; + else { + if (mode == WLAN_ACCESS_ALLOW) { + for (j = 0; j < hw->allow.cnt; j++) + if (memcmp(addr, hw->allow.addr[j], + WLAN_ADDR_LEN) == 0) + break; + deauth = (j >= hw->allow.cnt); + } else { + for (j = 0; j < hw->deny.cnt; j++) + if (memcmp(addr, hw->deny.addr[j], + WLAN_ADDR_LEN) == 0) + break; + deauth = (j < hw->deny.cnt); + } + } + + if (deauth) prism2mib_priv_deauthenticate(hw, addr); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2mib_priv_accessallow +* +* Change the list of allowed MAC addresses. +* +* Arguments: +* priv "priv" structure. +* hw "hw" structure. +* macarray New array of MAC addresses. +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +static void prism2mib_priv_accessallow( +hfa384x_t *hw, +p80211macarray_t *macarray) +{ + prism2sta_authlist_t old; + int i, j; + + DBFENTER; + + /* + ** Change the access list. Note that the interrupt handler may be in + ** the middle of using the access list!!! Since the interrupt handler + ** will always have priority over this process and this is the only + ** process that will modify the list, this problem can be handled as + ** follows: + ** + ** 1. Set the "modify" flag. + ** 2. Change the first copy of the list. + ** 3. Clear the "modify" flag. + ** 4. Change the backup copy of the list. + ** + ** The interrupt handler will check the "modify" flag. If NOT set, then + ** the first copy of the list is valid and may be used. Otherwise, the + ** first copy is being changed but the backup copy is valid and may be + ** used. Doing things this way prevents having to have the interrupt + ** handler block while the list is being updated. + */ + + hw->allow.modify = 1; + + hw->allow.cnt = macarray->cnt; + memcpy(hw->allow.addr, macarray->data, macarray->cnt*WLAN_ADDR_LEN); + + hw->allow.modify = 0; + + hw->allow.cnt1 = macarray->cnt; + memcpy(hw->allow.addr1, macarray->data, macarray->cnt*WLAN_ADDR_LEN); + + /* + ** If the current access mode is "Allow", then changing the access + ** list may leave some stations authenticated which should not be + ** authenticated. It will be necessary to de-authenticate these + ** stations. Otherwise, the list can be changed without a lot of fuss. + */ + + if (hw->accessmode == WLAN_ACCESS_ALLOW) { + + /* + ** Go through the list of authenticated stations (some of + ** which might de-authenticate themselves while we are + ** processing it but that is okay). Any station which is + ** no longer in the list of allowed stations, must be + ** de-authenticated. + */ + + prism2mib_priv_authlist(hw, &old); + + for (i = 0; i < old.cnt; i++) { + for (j = 0; j < hw->allow.cnt; j++) + if (memcmp(old.addr[i], hw->allow.addr[j], + WLAN_ADDR_LEN) == 0) + break; + if (j >= hw->allow.cnt) + prism2mib_priv_deauthenticate(hw, old.addr[i]); + } + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2mib_priv_accessdeny +* +* Change the list of denied MAC addresses. +* +* Arguments: +* priv "priv" structure. +* hw "hw" structure. +* macarray New array of MAC addresses. +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +static void prism2mib_priv_accessdeny( +hfa384x_t *hw, +p80211macarray_t *macarray) +{ + prism2sta_authlist_t old; + int i, j; + + DBFENTER; + + /* + ** Change the access list. Note that the interrupt handler may be in + ** the middle of using the access list!!! Since the interrupt handler + ** will always have priority over this process and this is the only + ** process that will modify the list, this problem can be handled as + ** follows: + ** + ** 1. Set the "modify" flag. + ** 2. Change the first copy of the list. + ** 3. Clear the "modify" flag. + ** 4. Change the backup copy of the list. + ** + ** The interrupt handler will check the "modify" flag. If NOT set, then + ** the first copy of the list is valid and may be used. Otherwise, the + ** first copy is being changed but the backup copy is valid and may be + ** used. Doing things this way prevents having to have the interrupt + ** handler block while the list is being updated. + */ + + hw->deny.modify = 1; + + hw->deny.cnt = macarray->cnt; + memcpy(hw->deny.addr, macarray->data, macarray->cnt*WLAN_ADDR_LEN); + + hw->deny.modify = 0; + + hw->deny.cnt1 = macarray->cnt; + memcpy(hw->deny.addr1, macarray->data, macarray->cnt*WLAN_ADDR_LEN); + + /* + ** If the current access mode is "Deny", then changing the access + ** list may leave some stations authenticated which should not be + ** authenticated. It will be necessary to de-authenticate these + ** stations. Otherwise, the list can be changed without a lot of fuss. + */ + + if (hw->accessmode == WLAN_ACCESS_DENY) { + + /* + ** Go through the list of authenticated stations (some of + ** which might de-authenticate themselves while we are + ** processing it but that is okay). Any station which is + ** now in the list of denied stations, must be de-authenticated. + */ + + prism2mib_priv_authlist(hw, &old); + + for (i = 0; i < old.cnt; i++) + for (j = 0; j < hw->deny.cnt; j++) + if (memcmp(old.addr[i], hw->deny.addr[j], + WLAN_ADDR_LEN) == 0) { + prism2mib_priv_deauthenticate(hw, old.addr[i]); + break; + } + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2mib_priv_deauthenticate +* +* De-authenticate a station. This is done by sending a HandoverAddress +* information frame to the firmware. This should work, according to +* Intersil. +* +* Arguments: +* priv "priv" structure. +* hw "hw" structure. +* addr MAC address of station to be de-authenticated. +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +static void prism2mib_priv_deauthenticate( +hfa384x_t *hw, +UINT8 *addr) +{ + DBFENTER; + hfa384x_drvr_handover(hw, addr); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_pstr2bytestr +* +* Convert the pstr data in the WLAN message structure into an hfa384x +* byte string format. +* +* Arguments: +* bytestr hfa384x byte string data type +* pstr wlan message data +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr) +{ + DBFENTER; + + bytestr->len = host2hfa384x_16((UINT16)(pstr->len)); + memcpy(bytestr->data, pstr->data, pstr->len); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_pstr2bytearea +* +* Convert the pstr data in the WLAN message structure into an hfa384x +* byte area format. +* +* Arguments: +* bytearea hfa384x byte area data type +* pstr wlan message data +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_pstr2bytearea(UINT8 *bytearea, p80211pstrd_t *pstr) +{ + DBFENTER; + + memcpy(bytearea, pstr->data, pstr->len); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_bytestr2pstr +* +* Convert the data in an hfa384x byte string format into a +* pstr in the WLAN message. +* +* Arguments: +* bytestr hfa384x byte string data type +* msg wlan message +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr) +{ + DBFENTER; + + pstr->len = (UINT8)(hfa384x2host_16((UINT16)(bytestr->len))); + memcpy(pstr->data, bytestr->data, pstr->len); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_bytearea2pstr +* +* Convert the data in an hfa384x byte area format into a pstr +* in the WLAN message. +* +* Arguments: +* bytearea hfa384x byte area data type +* msg wlan message +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_bytearea2pstr(UINT8 *bytearea, p80211pstrd_t *pstr, int len) +{ + DBFENTER; + + pstr->len = (UINT8)len; + memcpy(pstr->data, bytearea, len); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_prism2int2p80211int +* +* Convert an hfa384x integer into a wlan integer +* +* Arguments: +* prism2enum pointer to hfa384x integer +* wlanenum pointer to p80211 integer +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_prism2int2p80211int(UINT16 *prism2int, UINT32 *wlanint) +{ + DBFENTER; + + *wlanint = (UINT32)hfa384x2host_16(*prism2int); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_p80211int2prism2int +* +* Convert a wlan integer into an hfa384x integer +* +* Arguments: +* prism2enum pointer to hfa384x integer +* wlanenum pointer to p80211 integer +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ + +void prism2mgmt_p80211int2prism2int(UINT16 *prism2int, UINT32 *wlanint) +{ + DBFENTER; + + *prism2int = host2hfa384x_16((UINT16)(*wlanint)); + DBFEXIT; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_prism2enum2p80211enum +* +* Convert the hfa384x enumerated int into a p80211 enumerated int +* +* Arguments: +* prism2enum pointer to hfa384x integer +* wlanenum pointer to p80211 integer +* rid hfa384x record id +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ +void prism2mgmt_prism2enum2p80211enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid) +{ + DBFENTER; + + /* At the moment, the need for this functionality hasn't + presented itself. All the wlan enumerated values are + a 1-to-1 match against the Prism2 enumerated values*/ + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2mgmt_p80211enum2prism2enum +* +* Convert the p80211 enumerated int into an hfa384x enumerated int +* +* Arguments: +* prism2enum pointer to hfa384x integer +* wlanenum pointer to p80211 integer +* rid hfa384x record id +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ +void prism2mgmt_p80211enum2prism2enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid) +{ + DBFENTER; + + /* At the moment, the need for this functionality hasn't + presented itself. All the wlan enumerated values are + a 1-to-1 match against the Prism2 enumerated values*/ + DBFEXIT; + return; +} + + + +/*---------------------------------------------------------------- +* prism2mgmt_get_oprateset +* +* Convert the hfa384x bit area into a wlan octet string. +* +* Arguments: +* rate Prism2 bit area +* pstr wlan octet string +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ +void prism2mgmt_get_oprateset(UINT16 *rate, p80211pstrd_t *pstr) +{ + UINT8 len; + UINT8 *datarate; + + DBFENTER; + + len = 0; + datarate = pstr->data; + + /* 1 Mbps */ + if ( BIT0 & (*rate) ) { + len += (UINT8)1; + *datarate = (UINT8)2; + datarate++; + } + + /* 2 Mbps */ + if ( BIT1 & (*rate) ) { + len += (UINT8)1; + *datarate = (UINT8)4; + datarate++; + } + + /* 5.5 Mbps */ + if ( BIT2 & (*rate) ) { + len += (UINT8)1; + *datarate = (UINT8)11; + datarate++; + } + + /* 11 Mbps */ + if ( BIT3 & (*rate) ) { + len += (UINT8)1; + *datarate = (UINT8)22; + datarate++; + } + + pstr->len = len; + + DBFEXIT; + return; +} + + + +/*---------------------------------------------------------------- +* prism2mgmt_set_oprateset +* +* Convert the wlan octet string into an hfa384x bit area. +* +* Arguments: +* rate Prism2 bit area +* pstr wlan octet string +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ +void prism2mgmt_set_oprateset(UINT16 *rate, p80211pstrd_t *pstr) +{ + UINT8 *datarate; + int i; + + DBFENTER; + + *rate = 0; + + datarate = pstr->data; + + for ( i=0; i < pstr->len; i++, datarate++ ) { + switch (*datarate) { + case 2: /* 1 Mbps */ + *rate |= BIT0; + break; + case 4: /* 2 Mbps */ + *rate |= BIT1; + break; + case 11: /* 5.5 Mbps */ + *rate |= BIT2; + break; + case 22: /* 11 Mbps */ + *rate |= BIT3; + break; + default: + WLAN_LOG_DEBUG(1, "Unrecoginzed Rate of %d\n", + *datarate); + break; + } + } + + DBFEXIT; + return; +} + + + +/*---------------------------------------------------------------- +* prism2mgmt_get_grpaddr +* +* Retrieves a particular group address from the list of +* group addresses. +* +* Arguments: +* did mibitem did +* pstr wlan octet string +* priv prism2 driver private data structure +* +* Returns: +* Nothing +* +----------------------------------------------------------------*/ +void prism2mgmt_get_grpaddr(UINT32 did, p80211pstrd_t *pstr, + hfa384x_t *hw ) +{ + int index; + + DBFENTER; + + index = prism2mgmt_get_grpaddr_index(did); + + if ( index >= 0 ) { + pstr->len = WLAN_ADDR_LEN; + memcpy(pstr->data, hw->dot11_grp_addr[index], + WLAN_ADDR_LEN); + } + + DBFEXIT; + return; +} + + + +/*---------------------------------------------------------------- +* prism2mgmt_set_grpaddr +* +* Convert the wlan octet string into an hfa384x bit area. +* +* Arguments: +* did mibitem did +* buf +* groups +* +* Returns: +* 0 Success +* !0 Error +* +----------------------------------------------------------------*/ +int prism2mgmt_set_grpaddr(UINT32 did, UINT8 *prism2buf, + p80211pstrd_t *pstr, hfa384x_t *hw ) +{ + UINT8 no_addr[WLAN_ADDR_LEN]; + int index; + + DBFENTER; + + memset(no_addr, 0, WLAN_ADDR_LEN); + if (memcmp(no_addr, pstr->data, WLAN_ADDR_LEN) != 0) { + + /* + ** The address is NOT 0 so we are "adding" an address to the + ** group address list. Check to make sure we aren't trying + ** to add more than the maximum allowed number of group + ** addresses in the list. The new address is added to the + ** end of the list regardless of the DID used to add the + ** address. + */ + + if (hw->dot11_grpcnt >= MAX_GRP_ADDR) return(-1); + + memcpy(hw->dot11_grp_addr[hw->dot11_grpcnt], pstr->data, + WLAN_ADDR_LEN); + hw->dot11_grpcnt += 1; + } else { + + /* + ** The address is 0. Interpret this as "deleting" an address + ** from the group address list. Get the address index from + ** the DID. If this is within the range of used addresses, + ** then delete the specified address by shifting all following + ** addresses down. Then clear the last address (which should + ** now be unused). If the address index is NOT within the + ** range of used addresses, then just ignore the address. + */ + + index = prism2mgmt_get_grpaddr_index(did); + if (index >= 0 && index < hw->dot11_grpcnt) { + hw->dot11_grpcnt -= 1; + memmove(hw->dot11_grp_addr[index], + hw->dot11_grp_addr[index + 1], + ((hw->dot11_grpcnt)-index) * WLAN_ADDR_LEN); + memset(hw->dot11_grp_addr[hw->dot11_grpcnt], 0, + WLAN_ADDR_LEN); + } + } + + DBFEXIT; + return(0); +} + + +/*---------------------------------------------------------------- +* prism2mgmt_get_grpaddr_index +* +* Gets the index in the group address list based on the did. +* +* Arguments: +* did mibitem did +* +* Returns: +* >= 0 If valid did +* < 0 If not valid did +* +----------------------------------------------------------------*/ +int prism2mgmt_get_grpaddr_index( UINT32 did ) +{ + int index; + + DBFENTER; + + index = -1; + + switch (did) { + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1: + index = 0; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2: + index = 1; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3: + index = 2; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4: + index = 3; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5: + index = 4; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6: + index = 5; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7: + index = 6; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8: + index = 7; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9: + index = 8; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10: + index = 9; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11: + index = 10; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12: + index = 11; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13: + index = 12; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14: + index = 13; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15: + index = 14; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16: + index = 15; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17: + index = 16; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18: + index = 17; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19: + index = 18; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20: + index = 19; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21: + index = 20; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22: + index = 21; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23: + index = 22; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24: + index = 23; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25: + index = 24; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26: + index = 25; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27: + index = 26; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28: + index = 27; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29: + index = 28; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30: + index = 29; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31: + index = 30; + break; + case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32: + index = 31; + break; + } + + DBFEXIT; + return index; +} diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c new file mode 100644 index 000000000000..18aa15f9e417 --- /dev/null +++ b/drivers/staging/wlan-ng/prism2sta.c @@ -0,0 +1,2502 @@ +/* src/prism2/driver/prism2sta.c +* +* Implements the station functionality for prism2 +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +* +* This file implements the module and linux pcmcia routines for the +* prism2 driver. +* +* -------------------------------------------------------------------- +*/ + +/*================================================================*/ +/* System Includes */ +#define WLAN_DBVAR prism2_debug + +#include "version.h" + + +#include + +#include +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25)) +#include +#endif + +#include +#include +#include +#include +#include +#include +#include + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include +#else +#include +#endif + +#include +#include +#include +#include + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#include +#include +#include +#include +#include +#include +#endif + +#include "wlan_compat.h" + +#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI)) +#include +#include +#endif + +/*================================================================*/ +/* Project Includes */ + +#include "p80211types.h" +#include "p80211hdr.h" +#include "p80211mgmt.h" +#include "p80211conv.h" +#include "p80211msg.h" +#include "p80211netdev.h" +#include "p80211req.h" +#include "p80211metadef.h" +#include "p80211metastruct.h" +#include "hfa384x.h" +#include "prism2mgmt.h" + +/*================================================================*/ +/* Local Constants */ + +/*================================================================*/ +/* Local Macros */ + +/*================================================================*/ +/* Local Types */ + +/*================================================================*/ +/* Local Static Definitions */ + +#if (WLAN_HOSTIF == WLAN_PCMCIA) +#define DRIVER_SUFFIX "_cs" +#elif (WLAN_HOSTIF == WLAN_PLX) +#define DRIVER_SUFFIX "_plx" +typedef char* dev_info_t; +#elif (WLAN_HOSTIF == WLAN_PCI) +#define DRIVER_SUFFIX "_pci" +typedef char* dev_info_t; +#elif (WLAN_HOSTIF == WLAN_USB) +#define DRIVER_SUFFIX "_usb" +typedef char* dev_info_t; +#else +#error "HOSTIF unsupported or undefined!" +#endif + +static char *version = "prism2" DRIVER_SUFFIX ".o: " WLAN_RELEASE; +static dev_info_t dev_info = "prism2" DRIVER_SUFFIX; + +#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI) +#ifdef CONFIG_PM +static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state); +static int prism2sta_resume_pci(struct pci_dev *pdev); +#endif +#endif + +#if (WLAN_HOSTIF == WLAN_PCI) + +#endif /* WLAN_PCI */ + +static wlandevice_t *create_wlan(void); + +/*----------------------------------------------------------------*/ +/* --Module Parameters */ + +int prism2_reset_holdtime=30; /* Reset hold time in ms */ +int prism2_reset_settletime=100; /* Reset settle time in ms */ + +#if (WLAN_HOSTIF == WLAN_USB) +static int prism2_doreset=0; /* Do a reset at init? */ +#else +static int prism2_doreset=1; /* Do a reset at init? */ +int prism2_bap_timeout=1000; /* BAP timeout */ +int prism2_irq_evread_max=20; /* Maximum number of + * ev_reads (loops) + * in irq handler + */ +#endif + +#ifdef WLAN_INCLUDE_DEBUG +int prism2_debug=0; +module_param( prism2_debug, int, 0644); +MODULE_PARM_DESC(prism2_debug, "prism2 debugging"); +#endif + +module_param( prism2_doreset, int, 0644); +MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization"); + +module_param( prism2_reset_holdtime, int, 0644); +MODULE_PARM_DESC( prism2_reset_holdtime, "reset hold time in ms"); +module_param( prism2_reset_settletime, int, 0644); +MODULE_PARM_DESC( prism2_reset_settletime, "reset settle time in ms"); + +#if (WLAN_HOSTIF != WLAN_USB) +module_param( prism2_bap_timeout, int, 0644); +MODULE_PARM_DESC(prism2_bap_timeout, "BufferAccessPath Timeout in 10*n us"); +module_param( prism2_irq_evread_max, int, 0644); +MODULE_PARM_DESC( prism2_irq_evread_max, "Maximim number of event reads in interrupt handler"); +#endif + +MODULE_LICENSE("Dual MPL/GPL"); + +/*================================================================*/ +/* Local Function Declarations */ + +static int prism2sta_open(wlandevice_t *wlandev); +static int prism2sta_close(wlandevice_t *wlandev); +static void prism2sta_reset(wlandevice_t *wlandev ); +static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep); +static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg); +static int prism2sta_getcardinfo(wlandevice_t *wlandev); +static int prism2sta_globalsetup(wlandevice_t *wlandev); +static int prism2sta_setmulticast(wlandevice_t *wlandev, + netdevice_t *dev); + +static void prism2sta_inf_handover( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_tallies( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_hostscanresults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_scanresults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_chinforesults( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_linkstatus( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_assocstatus( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_authreq( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_authreq_defer( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); +static void prism2sta_inf_psusercnt( + wlandevice_t *wlandev, hfa384x_InfFrame_t *inf); + +#ifdef CONFIG_PROC_FS +static int +prism2sta_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data); +#endif + +/*================================================================*/ +/* Function Definitions */ + +/*---------------------------------------------------------------- +* dmpmem +* +* Debug utility function to dump memory to the kernel debug log. +* +* Arguments: +* buf ptr data we want dumped +* len length of data +* +* Returns: +* nothing +* Side effects: +* +* Call context: +* process thread +* interrupt +----------------------------------------------------------------*/ +inline void dmpmem(void *buf, int n) +{ + int c; + for ( c= 0; c < n; c++) { + if ( (c % 16) == 0 ) printk(KERN_DEBUG"dmp[%d]: ", c); + printk("%02x ", ((UINT8*)buf)[c]); + if ( (c % 16) == 15 ) printk("\n"); + } + if ( (c % 16) != 0 ) printk("\n"); +} + + +/*---------------------------------------------------------------- +* prism2sta_open +* +* WLAN device open method. Called from p80211netdev when kernel +* device open (start) method is called in response to the +* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP +* from clear to set. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* 0 success +* >0 f/w reported error +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int prism2sta_open(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef ANCIENT_MODULE_CODE + MOD_INC_USE_COUNT; +#endif + + /* We don't currently have to do anything else. + * The setup of the MAC should be subsequently completed via + * the mlme commands. + * Higher layers know we're ready from dev->start==1 and + * dev->tbusy==0. Our rx path knows to pass up received/ + * frames because of dev->flags&IFF_UP is true. + */ + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2sta_close +* +* WLAN device close method. Called from p80211netdev when kernel +* device close method is called in response to the +* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP +* from set to clear. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* 0 success +* >0 f/w reported error +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int prism2sta_close(wlandevice_t *wlandev) +{ + DBFENTER; + +#ifdef ANCIENT_MODULE_CODE + MOD_DEC_USE_COUNT; +#endif + + /* We don't currently have to do anything else. + * Higher layers know we're not ready from dev->start==0 and + * dev->tbusy==1. Our rx path knows to not pass up received + * frames because of dev->flags&IFF_UP is false. + */ + + DBFEXIT; + return 0; +} + + +/*---------------------------------------------------------------- +* prism2sta_reset +* +* Not currently implented. +* +* Arguments: +* wlandev wlan device structure +* none +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static void prism2sta_reset(wlandevice_t *wlandev ) +{ + DBFENTER; + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_txframe +* +* Takes a frame from p80211 and queues it for transmission. +* +* Arguments: +* wlandev wlan device structure +* pb packet buffer struct. Contains an 802.11 +* data frame. +* p80211_hdr points to the 802.11 header for the packet. +* Returns: +* 0 Success and more buffs available +* 1 Success but no more buffs +* 2 Allocation failure +* 4 Buffer full or queue busy +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb, + p80211_hdr_t *p80211_hdr, + p80211_metawep_t *p80211_wep) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int result; + DBFENTER; + + /* If necessary, set the 802.11 WEP bit */ + if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) == HOSTWEP_PRIVACYINVOKED) { + p80211_hdr->a3.fc |= host2ieee16(WLAN_SET_FC_ISWEP(1)); + } + + result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep); + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2sta_mlmerequest +* +* wlan command message handler. All we do here is pass the message +* over to the prism2sta_mgmt_handler. +* +* Arguments: +* wlandev wlan device structure +* msg wlan command message +* Returns: +* 0 success +* <0 successful acceptance of message, but we're +* waiting for an async process to finish before +* we're done with the msg. When the asynch +* process is done, we'll call the p80211 +* function p80211req_confirm() . +* >0 An error occurred while we were handling +* the message. +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + int result = 0; + DBFENTER; + + switch( msg->msgcode ) + { + case DIDmsg_dot11req_mibget : + WLAN_LOG_DEBUG(2,"Received mibget request\n"); + result = prism2mgmt_mibset_mibget(wlandev, msg); + break; + case DIDmsg_dot11req_mibset : + WLAN_LOG_DEBUG(2,"Received mibset request\n"); + result = prism2mgmt_mibset_mibget(wlandev, msg); + break; + case DIDmsg_dot11req_powermgmt : + WLAN_LOG_DEBUG(2,"Received powermgmt request\n"); + result = prism2mgmt_powermgmt(wlandev, msg); + break; + case DIDmsg_dot11req_scan : + WLAN_LOG_DEBUG(2,"Received scan request\n"); + result = prism2mgmt_scan(wlandev, msg); + break; + case DIDmsg_dot11req_scan_results : + WLAN_LOG_DEBUG(2,"Received scan_results request\n"); + result = prism2mgmt_scan_results(wlandev, msg); + break; + case DIDmsg_dot11req_join : + WLAN_LOG_DEBUG(2,"Received join request\n"); + result = prism2mgmt_join(wlandev, msg); + break; + case DIDmsg_dot11req_authenticate : + WLAN_LOG_DEBUG(2,"Received authenticate request\n"); + result = prism2mgmt_authenticate(wlandev, msg); + break; + case DIDmsg_dot11req_deauthenticate : + WLAN_LOG_DEBUG(2,"Received mlme deauthenticate request\n"); + result = prism2mgmt_deauthenticate(wlandev, msg); + break; + case DIDmsg_dot11req_associate : + WLAN_LOG_DEBUG(2,"Received mlme associate request\n"); + result = prism2mgmt_associate(wlandev, msg); + break; + case DIDmsg_dot11req_reassociate : + WLAN_LOG_DEBUG(2,"Received mlme reassociate request\n"); + result = prism2mgmt_reassociate(wlandev, msg); + break; + case DIDmsg_dot11req_disassociate : + WLAN_LOG_DEBUG(2,"Received mlme disassociate request\n"); + result = prism2mgmt_disassociate(wlandev, msg); + break; + case DIDmsg_dot11req_reset : + WLAN_LOG_DEBUG(2,"Received mlme reset request\n"); + result = prism2mgmt_reset(wlandev, msg); + break; + case DIDmsg_dot11req_start : + WLAN_LOG_DEBUG(2,"Received mlme start request\n"); + result = prism2mgmt_start(wlandev, msg); + break; + /* + * Prism2 specific messages + */ + case DIDmsg_p2req_join : + WLAN_LOG_DEBUG(2,"Received p2 join request\n"); + result = prism2mgmt_p2_join(wlandev, msg); + break; + case DIDmsg_p2req_readpda : + WLAN_LOG_DEBUG(2,"Received mlme readpda request\n"); + result = prism2mgmt_readpda(wlandev, msg); + break; + case DIDmsg_p2req_readcis : + WLAN_LOG_DEBUG(2,"Received mlme readcis request\n"); + result = prism2mgmt_readcis(wlandev, msg); + break; + case DIDmsg_p2req_auxport_state : + WLAN_LOG_DEBUG(2,"Received mlme auxport_state request\n"); + result = prism2mgmt_auxport_state(wlandev, msg); + break; + case DIDmsg_p2req_auxport_read : + WLAN_LOG_DEBUG(2,"Received mlme auxport_read request\n"); + result = prism2mgmt_auxport_read(wlandev, msg); + break; + case DIDmsg_p2req_auxport_write : + WLAN_LOG_DEBUG(2,"Received mlme auxport_write request\n"); + result = prism2mgmt_auxport_write(wlandev, msg); + break; + case DIDmsg_p2req_low_level : + WLAN_LOG_DEBUG(2,"Received mlme low_level request\n"); + result = prism2mgmt_low_level(wlandev, msg); + break; + case DIDmsg_p2req_test_command : + WLAN_LOG_DEBUG(2,"Received mlme test_command request\n"); + result = prism2mgmt_test_command(wlandev, msg); + break; + case DIDmsg_p2req_mmi_read : + WLAN_LOG_DEBUG(2,"Received mlme mmi_read request\n"); + result = prism2mgmt_mmi_read(wlandev, msg); + break; + case DIDmsg_p2req_mmi_write : + WLAN_LOG_DEBUG(2,"Received mlme mmi_write request\n"); + result = prism2mgmt_mmi_write(wlandev, msg); + break; + case DIDmsg_p2req_ramdl_state : + WLAN_LOG_DEBUG(2,"Received mlme ramdl_state request\n"); + result = prism2mgmt_ramdl_state(wlandev, msg); + break; + case DIDmsg_p2req_ramdl_write : + WLAN_LOG_DEBUG(2,"Received mlme ramdl_write request\n"); + result = prism2mgmt_ramdl_write(wlandev, msg); + break; + case DIDmsg_p2req_flashdl_state : + WLAN_LOG_DEBUG(2,"Received mlme flashdl_state request\n"); + result = prism2mgmt_flashdl_state(wlandev, msg); + break; + case DIDmsg_p2req_flashdl_write : + WLAN_LOG_DEBUG(2,"Received mlme flashdl_write request\n"); + result = prism2mgmt_flashdl_write(wlandev, msg); + break; + case DIDmsg_p2req_dump_state : + WLAN_LOG_DEBUG(2,"Received mlme dump_state request\n"); + result = prism2mgmt_dump_state(wlandev, msg); + break; + case DIDmsg_p2req_channel_info : + WLAN_LOG_DEBUG(2,"Received mlme channel_info request\n"); + result = prism2mgmt_channel_info(wlandev, msg); + break; + case DIDmsg_p2req_channel_info_results : + WLAN_LOG_DEBUG(2,"Received mlme channel_info_results request\n"); + result = prism2mgmt_channel_info_results(wlandev, msg); + break; + /* + * Linux specific messages + */ + case DIDmsg_lnxreq_hostwep : + break; // ignore me. + case DIDmsg_lnxreq_ifstate : + { + p80211msg_lnxreq_ifstate_t *ifstatemsg; + WLAN_LOG_DEBUG(2,"Received mlme ifstate request\n"); + ifstatemsg = (p80211msg_lnxreq_ifstate_t*)msg; + result = prism2sta_ifstate(wlandev, ifstatemsg->ifstate.data); + ifstatemsg->resultcode.status = + P80211ENUM_msgitem_status_data_ok; + ifstatemsg->resultcode.data = result; + result = 0; + } + break; + case DIDmsg_lnxreq_wlansniff : + WLAN_LOG_DEBUG(2,"Received mlme wlansniff request\n"); + result = prism2mgmt_wlansniff(wlandev, msg); + break; + case DIDmsg_lnxreq_autojoin : + WLAN_LOG_DEBUG(2,"Received mlme autojoin request\n"); + result = prism2mgmt_autojoin(wlandev, msg); + break; + case DIDmsg_p2req_enable : + WLAN_LOG_DEBUG(2,"Received mlme enable request\n"); + result = prism2mgmt_enable(wlandev, msg); + break; + case DIDmsg_lnxreq_commsquality: { + p80211msg_lnxreq_commsquality_t *qualmsg; + + WLAN_LOG_DEBUG(2,"Received commsquality request\n"); + + if (hw->ap) + break; + + qualmsg = (p80211msg_lnxreq_commsquality_t*) msg; + + qualmsg->link.status = P80211ENUM_msgitem_status_data_ok; + qualmsg->level.status = P80211ENUM_msgitem_status_data_ok; + qualmsg->noise.status = P80211ENUM_msgitem_status_data_ok; + + + qualmsg->link.data = hfa384x2host_16(hw->qual.CQ_currBSS); + qualmsg->level.data = hfa384x2host_16(hw->qual.ASL_currBSS); + qualmsg->noise.data = hfa384x2host_16(hw->qual.ANL_currFC); + + break; + } + default: + WLAN_LOG_WARNING("Unknown mgmt request message 0x%08x", msg->msgcode); + break; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2sta_ifstate +* +* Interface state. This is the primary WLAN interface enable/disable +* handler. Following the driver/load/deviceprobe sequence, this +* function must be called with a state of "enable" before any other +* commands will be accepted. +* +* Arguments: +* wlandev wlan device structure +* msgp ptr to msg buffer +* +* Returns: +* A p80211 message resultcode value. +* +* Side effects: +* +* Call context: +* process thread (usually) +* interrupt +----------------------------------------------------------------*/ +UINT32 prism2sta_ifstate(wlandevice_t *wlandev, UINT32 ifstate) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT32 result; + DBFENTER; + + result = P80211ENUM_resultcode_implementation_failure; + + WLAN_LOG_DEBUG(2, "Current MSD state(%d), requesting(%d)\n", + wlandev->msdstate, ifstate); + switch (ifstate) + { + case P80211ENUM_ifstate_fwload: + switch (wlandev->msdstate) { + case WLAN_MSD_HWPRESENT: + wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING; + /* + * Initialize the device+driver sufficiently + * for firmware loading. + */ +#if (WLAN_HOSTIF != WLAN_USB) + result=hfa384x_cmd_initialize(hw); +#else + if ((result=hfa384x_drvr_start(hw))) { + WLAN_LOG_ERROR( + "hfa384x_drvr_start() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } +#endif + wlandev->msdstate = WLAN_MSD_FWLOAD; + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_FWLOAD: + hfa384x_cmd_initialize(hw); + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_RUNNING: + WLAN_LOG_WARNING( + "Cannot enter fwload state from enable state," + "you must disable first.\n"); + result = P80211ENUM_resultcode_invalid_parameters; + break; + case WLAN_MSD_HWFAIL: + default: + /* probe() had a problem or the msdstate contains + * an unrecognized value, there's nothing we can do. + */ + result = P80211ENUM_resultcode_implementation_failure; + break; + } + break; + case P80211ENUM_ifstate_enable: + switch (wlandev->msdstate) { + case WLAN_MSD_HWPRESENT: + case WLAN_MSD_FWLOAD: + wlandev->msdstate = WLAN_MSD_RUNNING_PENDING; + /* Initialize the device+driver for full + * operation. Note that this might me an FWLOAD to + * to RUNNING transition so we must not do a chip + * or board level reset. Note that on failure, + * the MSD state is set to HWPRESENT because we + * can't make any assumptions about the state + * of the hardware or a previous firmware load. + */ + if ((result=hfa384x_drvr_start(hw))) { + WLAN_LOG_ERROR( + "hfa384x_drvr_start() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } + + if ((result=prism2sta_getcardinfo(wlandev))) { + WLAN_LOG_ERROR( + "prism2sta_getcardinfo() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + hfa384x_drvr_stop(hw); + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } + if ((result=prism2sta_globalsetup(wlandev))) { + WLAN_LOG_ERROR( + "prism2sta_globalsetup() failed," + "result=%d\n", (int)result); + result = + P80211ENUM_resultcode_implementation_failure; + hfa384x_drvr_stop(hw); + wlandev->msdstate = WLAN_MSD_HWPRESENT; + break; + } + wlandev->msdstate = WLAN_MSD_RUNNING; + hw->join_ap = 0; + hw->join_retries = 60; + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_RUNNING: + /* Do nothing, we're already in this state.*/ + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_HWFAIL: + default: + /* probe() had a problem or the msdstate contains + * an unrecognized value, there's nothing we can do. + */ + result = P80211ENUM_resultcode_implementation_failure; + break; + } + break; + case P80211ENUM_ifstate_disable: + switch (wlandev->msdstate) { + case WLAN_MSD_HWPRESENT: + /* Do nothing, we're already in this state.*/ + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_FWLOAD: + case WLAN_MSD_RUNNING: + wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; + /* + * TODO: Shut down the MAC completely. Here a chip + * or board level reset is probably called for. + * After a "disable" _all_ results are lost, even + * those from a fwload. + */ + if (!wlandev->hwremoved) + netif_carrier_off(wlandev->netdev); + + hfa384x_drvr_stop(hw); + + wlandev->macmode = WLAN_MACMODE_NONE; + wlandev->msdstate = WLAN_MSD_HWPRESENT; + result = P80211ENUM_resultcode_success; + break; + case WLAN_MSD_HWFAIL: + default: + /* probe() had a problem or the msdstate contains + * an unrecognized value, there's nothing we can do. + */ + result = P80211ENUM_resultcode_implementation_failure; + break; + } + break; + default: + result = P80211ENUM_resultcode_invalid_parameters; + break; + } + + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2sta_getcardinfo +* +* Collect the NICID, firmware version and any other identifiers +* we'd like to have in host-side data structures. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* 0 success +* >0 f/w reported error +* <0 driver reported error +* +* Side effects: +* +* Call context: +* Either. +----------------------------------------------------------------*/ +static int prism2sta_getcardinfo(wlandevice_t *wlandev) +{ + int result = 0; + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT16 temp; + UINT8 snum[HFA384x_RID_NICSERIALNUMBER_LEN]; + char pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1]; + + DBFENTER; + + /* Collect version and compatibility info */ + /* Some are critical, some are not */ + /* NIC identity */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY, + &hw->ident_nic, sizeof(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve NICIDENTITY\n"); + goto failed; + } + + /* get all the nic id fields in host byte order */ + hw->ident_nic.id = hfa384x2host_16(hw->ident_nic.id); + hw->ident_nic.variant = hfa384x2host_16(hw->ident_nic.variant); + hw->ident_nic.major = hfa384x2host_16(hw->ident_nic.major); + hw->ident_nic.minor = hfa384x2host_16(hw->ident_nic.minor); + + WLAN_LOG_INFO( "ident: nic h/w: id=0x%02x %d.%d.%d\n", + hw->ident_nic.id, hw->ident_nic.major, + hw->ident_nic.minor, hw->ident_nic.variant); + + /* Primary f/w identity */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY, + &hw->ident_pri_fw, sizeof(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRIIDENTITY\n"); + goto failed; + } + + /* get all the private fw id fields in host byte order */ + hw->ident_pri_fw.id = hfa384x2host_16(hw->ident_pri_fw.id); + hw->ident_pri_fw.variant = hfa384x2host_16(hw->ident_pri_fw.variant); + hw->ident_pri_fw.major = hfa384x2host_16(hw->ident_pri_fw.major); + hw->ident_pri_fw.minor = hfa384x2host_16(hw->ident_pri_fw.minor); + + WLAN_LOG_INFO( "ident: pri f/w: id=0x%02x %d.%d.%d\n", + hw->ident_pri_fw.id, hw->ident_pri_fw.major, + hw->ident_pri_fw.minor, hw->ident_pri_fw.variant); + + /* Station (Secondary?) f/w identity */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY, + &hw->ident_sta_fw, sizeof(hfa384x_compident_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STAIDENTITY\n"); + goto failed; + } + + if (hw->ident_nic.id < 0x8000) { + WLAN_LOG_ERROR("FATAL: Card is not an Intersil Prism2/2.5/3\n"); + result = -1; + goto failed; + } + + /* get all the station fw id fields in host byte order */ + hw->ident_sta_fw.id = hfa384x2host_16(hw->ident_sta_fw.id); + hw->ident_sta_fw.variant = hfa384x2host_16(hw->ident_sta_fw.variant); + hw->ident_sta_fw.major = hfa384x2host_16(hw->ident_sta_fw.major); + hw->ident_sta_fw.minor = hfa384x2host_16(hw->ident_sta_fw.minor); + + /* strip out the 'special' variant bits */ + hw->mm_mods = hw->ident_sta_fw.variant & (BIT14 | BIT15); + hw->ident_sta_fw.variant &= ~((UINT16)(BIT14 | BIT15)); + + if ( hw->ident_sta_fw.id == 0x1f ) { + hw->ap = 0; + WLAN_LOG_INFO( + "ident: sta f/w: id=0x%02x %d.%d.%d\n", + hw->ident_sta_fw.id, hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); + } else { + hw->ap = 1; + WLAN_LOG_INFO( + "ident: ap f/w: id=0x%02x %d.%d.%d\n", + hw->ident_sta_fw.id, hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); + } + + /* Compatibility range, Modem supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE, + &hw->cap_sup_mfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve MFISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, modem interface supplier + fields in byte order */ + hw->cap_sup_mfi.role = hfa384x2host_16(hw->cap_sup_mfi.role); + hw->cap_sup_mfi.id = hfa384x2host_16(hw->cap_sup_mfi.id); + hw->cap_sup_mfi.variant = hfa384x2host_16(hw->cap_sup_mfi.variant); + hw->cap_sup_mfi.bottom = hfa384x2host_16(hw->cap_sup_mfi.bottom); + hw->cap_sup_mfi.top = hfa384x2host_16(hw->cap_sup_mfi.top); + + WLAN_LOG_INFO( + "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_sup_mfi.role, hw->cap_sup_mfi.id, + hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom, + hw->cap_sup_mfi.top); + + /* Compatibility range, Controller supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE, + &hw->cap_sup_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve CFISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, controller interface supplier + fields in byte order */ + hw->cap_sup_cfi.role = hfa384x2host_16(hw->cap_sup_cfi.role); + hw->cap_sup_cfi.id = hfa384x2host_16(hw->cap_sup_cfi.id); + hw->cap_sup_cfi.variant = hfa384x2host_16(hw->cap_sup_cfi.variant); + hw->cap_sup_cfi.bottom = hfa384x2host_16(hw->cap_sup_cfi.bottom); + hw->cap_sup_cfi.top = hfa384x2host_16(hw->cap_sup_cfi.top); + + WLAN_LOG_INFO( + "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_sup_cfi.role, hw->cap_sup_cfi.id, + hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom, + hw->cap_sup_cfi.top); + + /* Compatibility range, Primary f/w supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE, + &hw->cap_sup_pri, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRISUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, primary firmware supplier + fields in byte order */ + hw->cap_sup_pri.role = hfa384x2host_16(hw->cap_sup_pri.role); + hw->cap_sup_pri.id = hfa384x2host_16(hw->cap_sup_pri.id); + hw->cap_sup_pri.variant = hfa384x2host_16(hw->cap_sup_pri.variant); + hw->cap_sup_pri.bottom = hfa384x2host_16(hw->cap_sup_pri.bottom); + hw->cap_sup_pri.top = hfa384x2host_16(hw->cap_sup_pri.top); + + WLAN_LOG_INFO( + "PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_sup_pri.role, hw->cap_sup_pri.id, + hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom, + hw->cap_sup_pri.top); + + /* Compatibility range, Station f/w supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE, + &hw->cap_sup_sta, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STASUPRANGE\n"); + goto failed; + } + + /* get all the Compatibility range, station firmware supplier + fields in byte order */ + hw->cap_sup_sta.role = hfa384x2host_16(hw->cap_sup_sta.role); + hw->cap_sup_sta.id = hfa384x2host_16(hw->cap_sup_sta.id); + hw->cap_sup_sta.variant = hfa384x2host_16(hw->cap_sup_sta.variant); + hw->cap_sup_sta.bottom = hfa384x2host_16(hw->cap_sup_sta.bottom); + hw->cap_sup_sta.top = hfa384x2host_16(hw->cap_sup_sta.top); + + if ( hw->cap_sup_sta.id == 0x04 ) { + WLAN_LOG_INFO( + "STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_sup_sta.role, hw->cap_sup_sta.id, + hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom, + hw->cap_sup_sta.top); + } else { + WLAN_LOG_INFO( + "AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_sup_sta.role, hw->cap_sup_sta.id, + hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom, + hw->cap_sup_sta.top); + } + + /* Compatibility range, primary f/w actor, CFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES, + &hw->cap_act_pri_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve PRI_CFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, primary f/w actor, CFI supplier + fields in byte order */ + hw->cap_act_pri_cfi.role = hfa384x2host_16(hw->cap_act_pri_cfi.role); + hw->cap_act_pri_cfi.id = hfa384x2host_16(hw->cap_act_pri_cfi.id); + hw->cap_act_pri_cfi.variant = hfa384x2host_16(hw->cap_act_pri_cfi.variant); + hw->cap_act_pri_cfi.bottom = hfa384x2host_16(hw->cap_act_pri_cfi.bottom); + hw->cap_act_pri_cfi.top = hfa384x2host_16(hw->cap_act_pri_cfi.top); + + WLAN_LOG_INFO( + "PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id, + hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom, + hw->cap_act_pri_cfi.top); + + /* Compatibility range, sta f/w actor, CFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES, + &hw->cap_act_sta_cfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STA_CFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, station f/w actor, CFI supplier + fields in byte order */ + hw->cap_act_sta_cfi.role = hfa384x2host_16(hw->cap_act_sta_cfi.role); + hw->cap_act_sta_cfi.id = hfa384x2host_16(hw->cap_act_sta_cfi.id); + hw->cap_act_sta_cfi.variant = hfa384x2host_16(hw->cap_act_sta_cfi.variant); + hw->cap_act_sta_cfi.bottom = hfa384x2host_16(hw->cap_act_sta_cfi.bottom); + hw->cap_act_sta_cfi.top = hfa384x2host_16(hw->cap_act_sta_cfi.top); + + WLAN_LOG_INFO( + "STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id, + hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom, + hw->cap_act_sta_cfi.top); + + /* Compatibility range, sta f/w actor, MFI supplier */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES, + &hw->cap_act_sta_mfi, sizeof(hfa384x_caplevel_t)); + if ( result ) { + WLAN_LOG_ERROR("Failed to retrieve STA_MFIACTRANGES\n"); + goto failed; + } + + /* get all the Compatibility range, station f/w actor, MFI supplier + fields in byte order */ + hw->cap_act_sta_mfi.role = hfa384x2host_16(hw->cap_act_sta_mfi.role); + hw->cap_act_sta_mfi.id = hfa384x2host_16(hw->cap_act_sta_mfi.id); + hw->cap_act_sta_mfi.variant = hfa384x2host_16(hw->cap_act_sta_mfi.variant); + hw->cap_act_sta_mfi.bottom = hfa384x2host_16(hw->cap_act_sta_mfi.bottom); + hw->cap_act_sta_mfi.top = hfa384x2host_16(hw->cap_act_sta_mfi.top); + + WLAN_LOG_INFO( + "STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", + hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id, + hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom, + hw->cap_act_sta_mfi.top); + + /* Serial Number */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER, + snum, HFA384x_RID_NICSERIALNUMBER_LEN); + if ( !result ) { + wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN, + pstr, sizeof(pstr)); + WLAN_LOG_INFO("Prism2 card SN: %s\n", pstr); + } else { + WLAN_LOG_ERROR("Failed to retrieve Prism2 Card SN\n"); + goto failed; + } + + /* Collect the MAC address */ + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR, + wlandev->netdev->dev_addr, WLAN_ADDR_LEN); + if ( result != 0 ) { + WLAN_LOG_ERROR("Failed to retrieve mac address\n"); + goto failed; + } + + /* short preamble is always implemented */ + wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE; + + /* find out if hardware wep is implemented */ + hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp); + if (temp) + wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP; + + /* get the dBm Scaling constant */ + hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp); + hw->dbmadjust = temp; + + /* Only enable scan by default on newer firmware */ + if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, + hw->ident_sta_fw.variant) < + HFA384x_FIRMWARE_VERSION(1,5,5)) { + wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN; + } + + /* TODO: Set any internally managed config items */ + + goto done; +failed: + WLAN_LOG_ERROR("Failed, result=%d\n", result); +done: + DBFEXIT; + return result; +} + + +/*---------------------------------------------------------------- +* prism2sta_globalsetup +* +* Set any global RIDs that we want to set at device activation. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* 0 success +* >0 f/w reported error +* <0 driver reported error +* +* Side effects: +* +* Call context: +* process thread +----------------------------------------------------------------*/ +static int prism2sta_globalsetup(wlandevice_t *wlandev) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + /* Set the maximum frame size */ + return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, + WLAN_DATA_MAXLEN); +} + +static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev) +{ + int result = 0; + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + UINT16 promisc; + + DBFENTER; + + /* If we're not ready, what's the point? */ + if ( hw->state != HFA384x_STATE_RUNNING ) + goto exit; + + /* If we're an AP, do nothing here */ + if (hw->ap) + goto exit; + + if ( (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0 ) + promisc = P80211ENUM_truth_true; + else + promisc = P80211ENUM_truth_false; + + result = hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE, promisc); + + /* XXX TODO: configure the multicast list */ + // CLEAR_HW_MULTICAST_LIST + // struct dev_mc_list element = dev->mc_list; + // while (element != null) { + // HW_ADD_MULTICAST_ADDR(element->dmi_addr, dmi_addrlen) + // element = element->next; + // } + + exit: + DBFEXIT; + return result; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_handover +* +* Handles the receipt of a Handover info frame. Should only be present +* in APs only. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_handover(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + DBFENTER; + WLAN_LOG_DEBUG(2,"received infoframe:HANDOVER (unhandled)\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_inf_tallies +* +* Handles the receipt of a CommTallies info frame. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_tallies(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + UINT16 *src16; + UINT32 *dst; + UINT32 *src32; + int i; + int cnt; + + DBFENTER; + + /* + ** Determine if these are 16-bit or 32-bit tallies, based on the + ** record length of the info record. + */ + + cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(UINT32); + if (inf->framelen > 22) { + dst = (UINT32 *) &hw->tallies; + src32 = (UINT32 *) &inf->info.commtallies32; + for (i = 0; i < cnt; i++, dst++, src32++) + *dst += hfa384x2host_32(*src32); + } else { + dst = (UINT32 *) &hw->tallies; + src16 = (UINT16 *) &inf->info.commtallies16; + for (i = 0; i < cnt; i++, dst++, src16++) + *dst += hfa384x2host_16(*src16); + } + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_scanresults +* +* Handles the receipt of a Scan Results info frame. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_scanresults(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int nbss; + hfa384x_ScanResult_t *sr = &(inf->info.scanresult); + int i; + hfa384x_JoinRequest_data_t joinreq; + int result; + DBFENTER; + + /* Get the number of results, first in bytes, then in results */ + nbss = (inf->framelen * sizeof(UINT16)) - + sizeof(inf->infotype) - + sizeof(inf->info.scanresult.scanreason); + nbss /= sizeof(hfa384x_ScanResultSub_t); + + /* Print em */ + WLAN_LOG_DEBUG(1,"rx scanresults, reason=%d, nbss=%d:\n", + inf->info.scanresult.scanreason, nbss); + for ( i = 0; i < nbss; i++) { + WLAN_LOG_DEBUG(1, "chid=%d anl=%d sl=%d bcnint=%d\n", + sr->result[i].chid, + sr->result[i].anl, + sr->result[i].sl, + sr->result[i].bcnint); + WLAN_LOG_DEBUG(1, " capinfo=0x%04x proberesp_rate=%d\n", + sr->result[i].capinfo, + sr->result[i].proberesp_rate); + } + /* issue a join request */ + joinreq.channel = sr->result[0].chid; + memcpy( joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN); + result = hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + if (result) { + WLAN_LOG_ERROR("setconfig(joinreq) failed, result=%d\n", result); + } + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_hostscanresults +* +* Handles the receipt of a Scan Results info frame. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + int nbss; + DBFENTER; + + nbss = (inf->framelen - 3) / 32; + WLAN_LOG_DEBUG(1, "Received %d hostscan results\n", nbss); + + if (nbss > 32) + nbss = 32; + + if (hw->scanresults) + kfree(hw->scanresults); + + hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC); + memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t)); + + if (nbss == 0) + nbss = -1; + + /* Notify/wake the sleeping caller. */ + hw->scanflag = nbss; + wake_up_interruptible(&hw->cmdq); + + DBFEXIT; +}; + +/*---------------------------------------------------------------- +* prism2sta_inf_chinforesults +* +* Handles the receipt of a Channel Info Results info frame. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_chinforesults(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + unsigned int i, n; + + DBFENTER; + hw->channel_info.results.scanchannels = + hfa384x2host_16(inf->info.chinforesult.scanchannels); +#if 0 + memcpy(&inf->info.chinforesult, &hw->channel_info.results, sizeof(hfa384x_ChInfoResult_t)); +#endif + + for (i=0, n=0; ichannel_info.results.scanchannels & (1<info.chinforesult.result[n].chid)-1; + hfa384x_ChInfoResultSub_t *chinforesult=&hw->channel_info.results.result[channel]; + chinforesult->chid = channel; + chinforesult->anl = hfa384x2host_16(inf->info.chinforesult.result[n].anl); + chinforesult->pnl = hfa384x2host_16(inf->info.chinforesult.result[n].pnl); + chinforesult->active = hfa384x2host_16(inf->info.chinforesult.result[n].active); + WLAN_LOG_DEBUG(2, "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n", + channel+1, + chinforesult->active & + HFA384x_CHINFORESULT_BSSACTIVE ? "signal" : "noise", + chinforesult->anl, chinforesult->pnl, + chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE ? 1 : 0 + ); + n++; + } + } + atomic_set(&hw->channel_info.done, 2); + + hw->channel_info.count = n; + DBFEXIT; + return; +} + +void prism2sta_processing_defer(struct work_struct *data) +{ + hfa384x_t *hw = container_of(data, struct hfa384x, link_bh); + wlandevice_t *wlandev = hw->wlandev; + hfa384x_bytestr32_t ssid; + int result; + + DBFENTER; + /* First let's process the auth frames */ + { + struct sk_buff *skb; + hfa384x_InfFrame_t *inf; + + while ( (skb = skb_dequeue(&hw->authq)) ) { + inf = (hfa384x_InfFrame_t *) skb->data; + prism2sta_inf_authreq_defer(wlandev, inf); + } + + } + + /* Now let's handle the linkstatus stuff */ + if (hw->link_status == hw->link_status_new) + goto failed; + + hw->link_status = hw->link_status_new; + + switch(hw->link_status) { + case HFA384x_LINK_NOTCONNECTED: + /* I'm currently assuming that this is the initial link + * state. It should only be possible immediately + * following an Enable command. + * Response: + * Block Transmits, Ignore receives of data frames + */ + netif_carrier_off(wlandev->netdev); + + WLAN_LOG_INFO("linkstatus=NOTCONNECTED (unhandled)\n"); + break; + + case HFA384x_LINK_CONNECTED: + /* This one indicates a successful scan/join/auth/assoc. + * When we have the full MLME complement, this event will + * signify successful completion of both mlme_authenticate + * and mlme_associate. State management will get a little + * ugly here. + * Response: + * Indicate authentication and/or association + * Enable Transmits, Receives and pass up data frames + */ + + netif_carrier_on(wlandev->netdev); + + /* If we are joining a specific AP, set our state and reset retries */ + if(hw->join_ap == 1) + hw->join_ap = 2; + hw->join_retries = 60; + + /* Don't call this in monitor mode */ + if ( wlandev->netdev->type == ARPHRD_ETHER ) { + UINT16 portstatus; + + WLAN_LOG_INFO("linkstatus=CONNECTED\n"); + + /* For non-usb devices, we can use the sync versions */ + /* Collect the BSSID, and set state to allow tx */ + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTBSSID, + wlandev->bssid, WLAN_BSSID_LEN); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto failed; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto failed; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + /* Collect the port status */ + result = hfa384x_drvr_getconfig16(hw, + HFA384x_RID_PORTSTATUS, &portstatus); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_PORTSTATUS, result); + goto failed; + } + wlandev->macmode = + (portstatus == HFA384x_PSTATUS_CONN_IBSS) ? + WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA; + + /* Get the ball rolling on the comms quality stuff */ + prism2sta_commsqual_defer(&hw->commsqual_bh); + } + break; + + case HFA384x_LINK_DISCONNECTED: + /* This one indicates that our association is gone. We've + * lost connection with the AP and/or been disassociated. + * This indicates that the MAC has completely cleared it's + * associated state. We * should send a deauth indication + * (implying disassoc) up * to the MLME. + * Response: + * Indicate Deauthentication + * Block Transmits, Ignore receives of data frames + */ + if(hw->join_ap == 2) + { + hfa384x_JoinRequest_data_t joinreq; + joinreq = hw->joinreq; + /* Send the join request */ + hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + WLAN_LOG_INFO("linkstatus=DISCONNECTED (re-submitting join)\n"); + } else { + if (wlandev->netdev->type == ARPHRD_ETHER) + WLAN_LOG_INFO("linkstatus=DISCONNECTED (unhandled)\n"); + } + wlandev->macmode = WLAN_MACMODE_NONE; + + netif_carrier_off(wlandev->netdev); + + break; + + case HFA384x_LINK_AP_CHANGE: + /* This one indicates that the MAC has decided to and + * successfully completed a change to another AP. We + * should probably implement a reassociation indication + * in response to this one. I'm thinking that the the + * p80211 layer needs to be notified in case of + * buffering/queueing issues. User mode also needs to be + * notified so that any BSS dependent elements can be + * updated. + * associated state. We * should send a deauth indication + * (implying disassoc) up * to the MLME. + * Response: + * Indicate Reassociation + * Enable Transmits, Receives and pass up data frames + */ + WLAN_LOG_INFO("linkstatus=AP_CHANGE\n"); + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTBSSID, + wlandev->bssid, WLAN_BSSID_LEN); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto failed; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto failed; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + + hw->link_status = HFA384x_LINK_CONNECTED; + netif_carrier_on(wlandev->netdev); + + break; + + case HFA384x_LINK_AP_OUTOFRANGE: + /* This one indicates that the MAC has decided that the + * AP is out of range, but hasn't found a better candidate + * so the MAC maintains its "associated" state in case + * we get back in range. We should block transmits and + * receives in this state. Do we need an indication here? + * Probably not since a polling user-mode element would + * get this status from from p2PortStatus(FD40). What about + * p80211? + * Response: + * Block Transmits, Ignore receives of data frames + */ + WLAN_LOG_INFO("linkstatus=AP_OUTOFRANGE (unhandled)\n"); + + netif_carrier_off(wlandev->netdev); + + break; + + case HFA384x_LINK_AP_INRANGE: + /* This one indicates that the MAC has decided that the + * AP is back in range. We continue working with our + * existing association. + * Response: + * Enable Transmits, Receives and pass up data frames + */ + WLAN_LOG_INFO("linkstatus=AP_INRANGE\n"); + + hw->link_status = HFA384x_LINK_CONNECTED; + netif_carrier_on(wlandev->netdev); + + break; + + case HFA384x_LINK_ASSOCFAIL: + /* This one is actually a peer to CONNECTED. We've + * requested a join for a given SSID and optionally BSSID. + * We can use this one to indicate authentication and + * association failures. The trick is going to be + * 1) identifying the failure, and 2) state management. + * Response: + * Disable Transmits, Ignore receives of data frames + */ + if(hw->join_ap && --hw->join_retries > 0) + { + hfa384x_JoinRequest_data_t joinreq; + joinreq = hw->joinreq; + /* Send the join request */ + hfa384x_drvr_setconfig( hw, + HFA384x_RID_JOINREQUEST, + &joinreq, HFA384x_RID_JOINREQUEST_LEN); + WLAN_LOG_INFO("linkstatus=ASSOCFAIL (re-submitting join)\n"); + } else { + WLAN_LOG_INFO("linkstatus=ASSOCFAIL (unhandled)\n"); + } + + netif_carrier_off(wlandev->netdev); + + break; + + default: + /* This is bad, IO port problems? */ + WLAN_LOG_WARNING( + "unknown linkstatus=0x%02x\n", hw->link_status); + goto failed; + break; + } + + wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED); +#ifdef WIRELESS_EXT + p80211wext_event_associated(wlandev, wlandev->linkstatus); +#endif + + failed: + DBFEXIT; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_linkstatus +* +* Handles the receipt of a Link Status info frame. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_linkstatus(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + DBFENTER; + + hw->link_status_new = hfa384x2host_16(inf->info.linkstatus.linkstatus); + + schedule_work(&hw->link_bh); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_assocstatus +* +* Handles the receipt of an Association Status info frame. Should +* be present in APs only. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_assocstatus(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + hfa384x_AssocStatus_t rec; + int i; + + DBFENTER; + + memcpy(&rec, &inf->info.assocstatus, sizeof(rec)); + rec.assocstatus = hfa384x2host_16(rec.assocstatus); + rec.reason = hfa384x2host_16(rec.reason); + + /* + ** Find the address in the list of authenticated stations. If it wasn't + ** found, then this address has not been previously authenticated and + ** something weird has happened if this is anything other than an + ** "authentication failed" message. If the address was found, then + ** set the "associated" flag for that station, based on whether the + ** station is associating or losing its association. Something weird + ** has also happened if we find the address in the list of authenticated + ** stations but we are getting an "authentication failed" message. + */ + + for (i = 0; i < hw->authlist.cnt; i++) + if (memcmp(rec.sta_addr, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0) + break; + + if (i >= hw->authlist.cnt) { + if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL) + WLAN_LOG_WARNING("assocstatus info frame received for non-authenticated station.\n"); + } else { + hw->authlist.assoc[i] = + (rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC || + rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC); + + if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL) + WLAN_LOG_WARNING("authfail assocstatus info frame received for authenticated station.\n"); + } + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* prism2sta_inf_authreq +* +* Handles the receipt of an Authentication Request info frame. Should +* be present in APs only. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +* +----------------------------------------------------------------*/ +static void prism2sta_inf_authreq(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + struct sk_buff *skb; + + DBFENTER; + + skb = dev_alloc_skb(sizeof(*inf)); + if (skb) { + skb_put(skb, sizeof(*inf)); + memcpy(skb->data, inf, sizeof(*inf)); + skb_queue_tail(&hw->authq, skb); + schedule_work(&hw->link_bh); + } + + DBFEXIT; +} + +static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + hfa384x_authenticateStation_data_t rec; + + int i, added, result, cnt; + UINT8 *addr; + + DBFENTER; + + /* + ** Build the AuthenticateStation record. Initialize it for denying + ** authentication. + */ + + memcpy(rec.address, inf->info.authreq.sta_addr, WLAN_ADDR_LEN); + rec.status = P80211ENUM_status_unspec_failure; + + /* + ** Authenticate based on the access mode. + */ + + switch (hw->accessmode) { + case WLAN_ACCESS_NONE: + + /* + ** Deny all new authentications. However, if a station + ** is ALREADY authenticated, then accept it. + */ + + for (i = 0; i < hw->authlist.cnt; i++) + if (memcmp(rec.address, hw->authlist.addr[i], + WLAN_ADDR_LEN) == 0) { + rec.status = P80211ENUM_status_successful; + break; + } + + break; + + case WLAN_ACCESS_ALL: + + /* + ** Allow all authentications. + */ + + rec.status = P80211ENUM_status_successful; + break; + + case WLAN_ACCESS_ALLOW: + + /* + ** Only allow the authentication if the MAC address + ** is in the list of allowed addresses. + ** + ** Since this is the interrupt handler, we may be here + ** while the access list is in the middle of being + ** updated. Choose the list which is currently okay. + ** See "prism2mib_priv_accessallow()" for details. + */ + + if (hw->allow.modify == 0) { + cnt = hw->allow.cnt; + addr = hw->allow.addr[0]; + } else { + cnt = hw->allow.cnt1; + addr = hw->allow.addr1[0]; + } + + for (i = 0; i < cnt; i++, addr += WLAN_ADDR_LEN) + if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) { + rec.status = P80211ENUM_status_successful; + break; + } + + break; + + case WLAN_ACCESS_DENY: + + /* + ** Allow the authentication UNLESS the MAC address is + ** in the list of denied addresses. + ** + ** Since this is the interrupt handler, we may be here + ** while the access list is in the middle of being + ** updated. Choose the list which is currently okay. + ** See "prism2mib_priv_accessdeny()" for details. + */ + + if (hw->deny.modify == 0) { + cnt = hw->deny.cnt; + addr = hw->deny.addr[0]; + } else { + cnt = hw->deny.cnt1; + addr = hw->deny.addr1[0]; + } + + rec.status = P80211ENUM_status_successful; + + for (i = 0; i < cnt; i++, addr += WLAN_ADDR_LEN) + if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) { + rec.status = P80211ENUM_status_unspec_failure; + break; + } + + break; + } + + /* + ** If the authentication is okay, then add the MAC address to the list + ** of authenticated stations. Don't add the address if it is already in + ** the list. (802.11b does not seem to disallow a station from issuing + ** an authentication request when the station is already authenticated. + ** Does this sort of thing ever happen? We might as well do the check + ** just in case.) + */ + + added = 0; + + if (rec.status == P80211ENUM_status_successful) { + for (i = 0; i < hw->authlist.cnt; i++) + if (memcmp(rec.address, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0) + break; + + if (i >= hw->authlist.cnt) { + if (hw->authlist.cnt >= WLAN_AUTH_MAX) { + rec.status = P80211ENUM_status_ap_full; + } else { + memcpy(hw->authlist.addr[hw->authlist.cnt], + rec.address, WLAN_ADDR_LEN); + hw->authlist.cnt++; + added = 1; + } + } + } + + /* + ** Send back the results of the authentication. If this doesn't work, + ** then make sure to remove the address from the authenticated list if + ** it was added. + */ + + rec.status = host2hfa384x_16(rec.status); + rec.algorithm = inf->info.authreq.algorithm; + + result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA, + &rec, sizeof(rec)); + if (result) { + if (added) hw->authlist.cnt--; + WLAN_LOG_ERROR("setconfig(authenticatestation) failed, result=%d\n", result); + } + + DBFEXIT; + + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_inf_psusercnt +* +* Handles the receipt of a PowerSaveUserCount info frame. Should +* be present in APs only. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to info frame (contents in hfa384x order) +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +static void prism2sta_inf_psusercnt(wlandevice_t *wlandev, + hfa384x_InfFrame_t *inf) +{ + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; + + DBFENTER; + + hw->psusercount = hfa384x2host_16(inf->info.psusercnt.usercnt); + + DBFEXIT; + + return; +} + +/*---------------------------------------------------------------- +* prism2sta_ev_dtim +* +* Handles the DTIM early warning event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_dtim(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; +#endif + DBFENTER; + WLAN_LOG_DEBUG(3, "DTIM event, currently unhandled.\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_infdrop +* +* Handles the InfDrop event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_infdrop(wlandevice_t *wlandev) +{ +#if 0 + hfa384x_t *hw = (hfa384x_t *)wlandev->priv; +#endif + DBFENTER; + WLAN_LOG_DEBUG(3, "Info frame dropped due to card mem low.\n"); + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_info +* +* Handles the Info event. +* +* Arguments: +* wlandev wlan device structure +* inf ptr to a generic info frame +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf) +{ + DBFENTER; + inf->infotype = hfa384x2host_16(inf->infotype); + /* Dispatch */ + switch ( inf->infotype ) { + case HFA384x_IT_HANDOVERADDR: + prism2sta_inf_handover(wlandev, inf); + break; + case HFA384x_IT_COMMTALLIES: + prism2sta_inf_tallies(wlandev, inf); + break; + case HFA384x_IT_HOSTSCANRESULTS: + prism2sta_inf_hostscanresults(wlandev, inf); + break; + case HFA384x_IT_SCANRESULTS: + prism2sta_inf_scanresults(wlandev, inf); + break; + case HFA384x_IT_CHINFORESULTS: + prism2sta_inf_chinforesults(wlandev, inf); + break; + case HFA384x_IT_LINKSTATUS: + prism2sta_inf_linkstatus(wlandev, inf); + break; + case HFA384x_IT_ASSOCSTATUS: + prism2sta_inf_assocstatus(wlandev, inf); + break; + case HFA384x_IT_AUTHREQ: + prism2sta_inf_authreq(wlandev, inf); + break; + case HFA384x_IT_PSUSERCNT: + prism2sta_inf_psusercnt(wlandev, inf); + break; + case HFA384x_IT_KEYIDCHANGED: + WLAN_LOG_WARNING("Unhandled IT_KEYIDCHANGED\n"); + break; + case HFA384x_IT_ASSOCREQ: + WLAN_LOG_WARNING("Unhandled IT_ASSOCREQ\n"); + break; + case HFA384x_IT_MICFAILURE: + WLAN_LOG_WARNING("Unhandled IT_MICFAILURE\n"); + break; + default: + WLAN_LOG_WARNING( + "Unknown info type=0x%02x\n", inf->infotype); + break; + } + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_txexc +* +* Handles the TxExc event. A Transmit Exception event indicates +* that the MAC's TX process was unsuccessful - so the packet did +* not get transmitted. +* +* Arguments: +* wlandev wlan device structure +* status tx frame status word +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_txexc(wlandevice_t *wlandev, UINT16 status) +{ + DBFENTER; + + WLAN_LOG_DEBUG(3, "TxExc status=0x%x.\n", status); + + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_tx +* +* Handles the Tx event. +* +* Arguments: +* wlandev wlan device structure +* status tx frame status word +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_tx(wlandevice_t *wlandev, UINT16 status) +{ + DBFENTER; + WLAN_LOG_DEBUG(4, "Tx Complete, status=0x%04x\n", status); + /* update linux network stats */ + wlandev->linux_stats.tx_packets++; + DBFEXIT; + return; +} + + +/*---------------------------------------------------------------- +* prism2sta_ev_rx +* +* Handles the Rx event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb) +{ + DBFENTER; + + p80211netdev_rx(wlandev, skb); + + DBFEXIT; + return; +} + +/*---------------------------------------------------------------- +* prism2sta_ev_alloc +* +* Handles the Alloc event. +* +* Arguments: +* wlandev wlan device structure +* +* Returns: +* nothing +* +* Side effects: +* +* Call context: +* interrupt +----------------------------------------------------------------*/ +void prism2sta_ev_alloc(wlandevice_t *wlandev) +{ + DBFENTER; + + p80211netdev_wake_queue(wlandev); + + DBFEXIT; + return; +} + +#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI) +#ifdef CONFIG_PM +static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state) +{ + wlandevice_t *wlandev; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + + /* reset hardware */ + if (wlandev) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + p80211_suspend(wlandev); + } + + // call a netif_device_detach(wlandev->netdev) ? + + return 0; +} + +static int prism2sta_resume_pci (struct pci_dev *pdev) +{ + wlandevice_t *wlandev; + + wlandev = (wlandevice_t *) pci_get_drvdata(pdev); + + if (wlandev) { + prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable); + p80211_resume(wlandev); + } + + return 0; +} +#endif +#endif + +/*---------------------------------------------------------------- +* create_wlan +* +* Called at module init time. This creates the wlandevice_t structure +* and initializes it with relevant bits. +* +* Arguments: +* none +* +* Returns: +* the created wlandevice_t structure. +* +* Side effects: +* also allocates the priv/hw structures. +* +* Call context: +* process thread +* +----------------------------------------------------------------*/ +static wlandevice_t *create_wlan(void) +{ + wlandevice_t *wlandev = NULL; + hfa384x_t *hw = NULL; + + /* Alloc our structures */ + wlandev = kmalloc(sizeof(wlandevice_t), GFP_KERNEL); + hw = kmalloc(sizeof(hfa384x_t), GFP_KERNEL); + + if (!wlandev || !hw) { + WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info); + if (wlandev) kfree(wlandev); + if (hw) kfree(hw); + return NULL; + } + + /* Clear all the structs */ + memset(wlandev, 0, sizeof(wlandevice_t)); + memset(hw, 0, sizeof(hfa384x_t)); + + /* Initialize the network device object. */ + wlandev->nsdname = dev_info; + wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING; + wlandev->priv = hw; + wlandev->open = prism2sta_open; + wlandev->close = prism2sta_close; + wlandev->reset = prism2sta_reset; +#ifdef CONFIG_PROC_FS + wlandev->nsd_proc_read = prism2sta_proc_read; +#endif + wlandev->txframe = prism2sta_txframe; + wlandev->mlmerequest = prism2sta_mlmerequest; + wlandev->set_multicast_list = prism2sta_setmulticast; + wlandev->tx_timeout = hfa384x_tx_timeout; + + wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT | + P80211_NSDCAP_AUTOJOIN; + + /* Initialize the device private data stucture. */ + hw->dot11_desired_bss_type = 1; + + return wlandev; +} + +#ifdef CONFIG_PROC_FS +static int +prism2sta_proc_read( + char *page, + char **start, + off_t offset, + int count, + int *eof, + void *data) +{ + char *p = page; + wlandevice_t *wlandev = (wlandevice_t *) data; + hfa384x_t *hw = (hfa384x_t *) wlandev->priv; + + UINT16 hwtype = 0; + + DBFENTER; + if (offset != 0) { + *eof = 1; + goto exit; + } + + // XXX 0x0001 for prism2.5/3, 0x0000 for prism2. + hwtype = BIT0; + +#if (WLAN_HOSTIF != WLAN_USB) + if (hw->isram16) + hwtype |= BIT1; +#endif + +#if (WLAN_HOSTIF == WLAN_PCI) + hwtype |= BIT2; +#endif + +#define PRISM2_CVS_ID "$Id: prism2sta.c 1826 2007-03-19 15:37:00Z pizza $" + + p += sprintf(p, "# %s version %s (%s) '%s'\n\n", + dev_info, + WLAN_RELEASE, WLAN_BUILD_DATE, PRISM2_CVS_ID); + + p += sprintf(p, "# nic h/w: id=0x%02x %d.%d.%d\n", + hw->ident_nic.id, hw->ident_nic.major, + hw->ident_nic.minor, hw->ident_nic.variant); + + p += sprintf(p, "# pri f/w: id=0x%02x %d.%d.%d\n", + hw->ident_pri_fw.id, hw->ident_pri_fw.major, + hw->ident_pri_fw.minor, hw->ident_pri_fw.variant); + + if (hw->ident_sta_fw.id == 0x1f) { + p += sprintf(p, "# sta f/w: id=0x%02x %d.%d.%d\n", + hw->ident_sta_fw.id, hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); + } else { + p += sprintf(p, "# ap f/w: id=0x%02x %d.%d.%d\n", + hw->ident_sta_fw.id, hw->ident_sta_fw.major, + hw->ident_sta_fw.minor, hw->ident_sta_fw.variant); + } + +#if (WLAN_HOSTIF != WLAN_USB) + p += sprintf(p, "# initial nic hw type, needed for SSF ramdl\n"); + p += sprintf(p, "initnichw=%04x\n", hwtype); +#endif + + exit: + DBFEXIT; + return (p - page); +} +#endif + +void prism2sta_commsqual_defer(struct work_struct *data) +{ + hfa384x_t *hw = container_of(data, struct hfa384x, commsqual_bh); + wlandevice_t *wlandev = hw->wlandev; + hfa384x_bytestr32_t ssid; + int result = 0; + + DBFENTER; + + if (hw->wlandev->hwremoved) + goto done; + + /* we don't care if we're in AP mode */ + if ((wlandev->macmode == WLAN_MACMODE_NONE) || + (wlandev->macmode == WLAN_MACMODE_ESS_AP)) { + goto done; + } + + /* It only makes sense to poll these in non-IBSS */ + if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) { + result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY, + &hw->qual, + HFA384x_RID_DBMCOMMSQUALITY_LEN); + + if (result) { + WLAN_LOG_ERROR("error fetching commsqual\n"); + goto done; + } + + // qual.CQ_currBSS; // link + // ASL_currBSS; // level + // qual.ANL_currFC; // noise + + WLAN_LOG_DEBUG(3, "commsqual %d %d %d\n", + hfa384x2host_16(hw->qual.CQ_currBSS), + hfa384x2host_16(hw->qual.ASL_currBSS), + hfa384x2host_16(hw->qual.ANL_currFC)); + } + + /* Lastly, we need to make sure the BSSID didn't change on us */ + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTBSSID, + wlandev->bssid, WLAN_BSSID_LEN); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTBSSID, result); + goto done; + } + + result = hfa384x_drvr_getconfig(hw, + HFA384x_RID_CURRENTSSID, + &ssid, sizeof(ssid)); + if ( result ) { + WLAN_LOG_DEBUG(1, + "getconfig(0x%02x) failed, result = %d\n", + HFA384x_RID_CURRENTSSID, result); + goto done; + } + prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid, + (p80211pstrd_t *) &wlandev->ssid); + + + /* Reschedule timer */ + mod_timer(&hw->commsqual_timer, jiffies + HZ); + + done: + DBFEXIT; +} + +void prism2sta_commsqual_timer(unsigned long data) +{ + hfa384x_t *hw = (hfa384x_t *) data; + + DBFENTER; + + schedule_work(&hw->commsqual_bh); + + DBFEXIT; +} diff --git a/drivers/staging/wlan-ng/version.h b/drivers/staging/wlan-ng/version.h new file mode 100644 index 000000000000..305f88239446 --- /dev/null +++ b/drivers/staging/wlan-ng/version.h @@ -0,0 +1,64 @@ +/* src/include/wlan/version.h +* +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ +#ifndef _WLAN_VERSION_H +#define _WLAN_VERSION_H +#ifndef KERNEL_VERSION +#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#endif + +/* WLAN_HOSTIF (generally set on the command line, not detected) */ +#define WLAN_NONE 0 +#define WLAN_PCMCIA 1 +#define WLAN_ISA 2 +#define WLAN_PCI 3 +#define WLAN_USB 4 +#define WLAN_PLX 5 +#define WLAN_SLAVE 6 +#define WLAN_RELEASE "0.2.8" +#define WLAN_RELEASE_CODE 0x000208 +#define WLAN_BUILD_DATE "Thu Oct 2 11:04:42 PDT 2008" + +#endif diff --git a/drivers/staging/wlan-ng/wlan_compat.h b/drivers/staging/wlan-ng/wlan_compat.h new file mode 100644 index 000000000000..17026570708f --- /dev/null +++ b/drivers/staging/wlan-ng/wlan_compat.h @@ -0,0 +1,757 @@ +/* wlan_compat.h +* +* Types and macros to aid in portability +* +* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. +* -------------------------------------------------------------------- +* +* linux-wlan +* +* The contents of this file are subject to the Mozilla Public +* License Version 1.1 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.mozilla.org/MPL/ +* +* Software distributed under the License is distributed on an "AS +* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* Alternatively, the contents of this file may be used under the +* terms of the GNU Public License version 2 (the "GPL"), in which +* case the provisions of the GPL are applicable instead of the +* above. If you wish to allow the use of your version of this file +* only under the terms of the GPL and not to allow others to use +* your version of this file under the MPL, indicate your decision +* by deleting the provisions above and replace them with the notice +* and other provisions required by the GPL. If you do not delete +* the provisions above, a recipient may use your version of this +* file under either the MPL or the GPL. +* +* -------------------------------------------------------------------- +* +* Inquiries regarding the linux-wlan Open Source project can be +* made directly to: +* +* AbsoluteValue Systems Inc. +* info@linux-wlan.com +* http://www.linux-wlan.com +* +* -------------------------------------------------------------------- +* +* Portions of the development of this software were funded by +* Intersil Corporation as part of PRISM(R) chipset product development. +* +* -------------------------------------------------------------------- +*/ + +#ifndef _WLAN_COMPAT_H +#define _WLAN_COMPAT_H + +/*=============================================================*/ +/*------ Establish Platform Identity --------------------------*/ +/*=============================================================*/ +/* Key macros: */ +/* WLAN_CPU_FAMILY */ + #define WLAN_Ix86 1 + #define WLAN_PPC 2 + #define WLAN_Ix96 3 + #define WLAN_ARM 4 + #define WLAN_ALPHA 5 + #define WLAN_MIPS 6 + #define WLAN_HPPA 7 + #define WLAN_SPARC 8 + #define WLAN_SH 9 + #define WLAN_x86_64 10 +/* WLAN_SYSARCH */ + #define WLAN_PCAT 1 + #define WLAN_MBX 2 + #define WLAN_RPX 3 + #define WLAN_LWARCH 4 + #define WLAN_PMAC 5 + #define WLAN_SKIFF 6 + #define WLAN_BITSY 7 + #define WLAN_ALPHAARCH 7 + #define WLAN_MIPSARCH 9 + #define WLAN_HPPAARCH 10 + #define WLAN_SPARCARCH 11 + #define WLAN_SHARCH 12 + +/* Note: the PLX HOSTIF above refers to some vendors implementations for */ +/* PCI. It's a PLX chip that is a PCI to PCMCIA adapter, but it */ +/* isn't a real PCMCIA host interface adapter providing all the */ +/* card&socket services. */ + +#if (defined(CONFIG_PPC) || defined(CONFIG_8xx) || defined(__powerpc__)) +#ifndef __ppc__ +#define __ppc__ +#endif +#endif + +#if defined(__KERNEL__) + +#ifndef AUTOCONF_INCLUDED +#include +#endif + +#if defined(__x86_64__) + #define WLAN_CPU_FAMILY WLAN_x86_64 + #define WLAN_SYSARCH WLAN_PCAT +#elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) + #define WLAN_CPU_FAMILY WLAN_Ix86 + #define WLAN_SYSARCH WLAN_PCAT +#elif defined(__ppc__) + #define WLAN_CPU_FAMILY WLAN_PPC + #if defined(CONFIG_MBX) + #define WLAN_SYSARCH WLAN_MBX + #elif defined(CONFIG_RPXLITE) + #define WLAN_SYSARCH WLAN_RPX + #elif defined(CONFIG_RPXCLASSIC) + #define WLAN_SYSARCH WLAN_RPX + #else + #define WLAN_SYSARCH WLAN_PMAC + #endif +#elif defined(__arm__) + #define WLAN_CPU_FAMILY WLAN_ARM + #define WLAN_SYSARCH WLAN_SKIFF +#elif defined(__alpha__) + #define WLAN_CPU_FAMILY WLAN_ALPHA + #define WLAN_SYSARCH WLAN_ALPHAARCH +#elif defined(__mips__) + #define WLAN_CPU_FAMILY WLAN_MIPS + #define WLAN_SYSARCH WLAN_MIPSARCH +#elif defined(__hppa__) + #define WLAN_CPU_FAMILY WLAN_HPPA + #define WLAN_SYSARCH WLAN_HPPAARCH +#elif defined(__sparc__) + #define WLAN_CPU_FAMILY WLAN_SPARC + #define WLAN_SYSARCH WLAN_SPARC +#elif defined(__sh__) + #define WLAN_CPU_FAMILY WLAN_SH + #define WLAN_SYSARCH WLAN_SHARCH + #ifndef __LITTLE_ENDIAN__ + #define __LITTLE_ENDIAN__ + #endif +#else + #error "No CPU identified!" +#endif +#endif /* __KERNEL__ */ + +/* + Some big endian machines implicitly do all I/O in little endian mode. + + In particular: + Linux/PPC on PowerMacs (PCI) + Arm/Intel Xscale (PCI) + + This may also affect PLX boards and other BE &| PPC platforms; + as new ones are discovered, add them below. +*/ + +#if defined(WLAN_HOSTIF) +#if ((WLAN_HOSTIF == WLAN_PCI) || (WLAN_HOSTIF == WLAN_PLX)) +#if ((WLAN_SYSARCH == WLAN_SKIFF) || (WLAN_SYSARCH == WLAN_PMAC) || (WLAN_SYSARCH == WLAN_SPARC)) +#define REVERSE_ENDIAN +#endif +#endif +#endif + +/*=============================================================*/ +/*------ Bit settings -----------------------------------------*/ +/*=============================================================*/ + +#define BIT0 0x00000001 +#define BIT1 0x00000002 +#define BIT2 0x00000004 +#define BIT3 0x00000008 +#define BIT4 0x00000010 +#define BIT5 0x00000020 +#define BIT6 0x00000040 +#define BIT7 0x00000080 +#define BIT8 0x00000100 +#define BIT9 0x00000200 +#define BIT10 0x00000400 +#define BIT11 0x00000800 +#define BIT12 0x00001000 +#define BIT13 0x00002000 +#define BIT14 0x00004000 +#define BIT15 0x00008000 +#define BIT16 0x00010000 +#define BIT17 0x00020000 +#define BIT18 0x00040000 +#define BIT19 0x00080000 +#define BIT20 0x00100000 +#define BIT21 0x00200000 +#define BIT22 0x00400000 +#define BIT23 0x00800000 +#define BIT24 0x01000000 +#define BIT25 0x02000000 +#define BIT26 0x04000000 +#define BIT27 0x08000000 +#define BIT28 0x10000000 +#define BIT29 0x20000000 +#define BIT30 0x40000000 +#define BIT31 0x80000000 + +#include + +typedef u_int8_t UINT8; +typedef u_int16_t UINT16; +typedef u_int32_t UINT32; + +typedef int8_t INT8; +typedef int16_t INT16; +typedef int32_t INT32; + +typedef unsigned int UINT; +typedef signed int INT; + +typedef u_int64_t UINT64; +typedef int64_t INT64; + +#define UINT8_MAX (0xffUL) +#define UINT16_MAX (0xffffUL) +#define UINT32_MAX (0xffffffffUL) + +#define INT8_MAX (0x7fL) +#define INT16_MAX (0x7fffL) +#define INT32_MAX (0x7fffffffL) + +/*=============================================================*/ +/*------ Compiler Portability Macros --------------------------*/ +/*=============================================================*/ +#define __WLAN_ATTRIB_PACK__ __attribute__ ((packed)) + +/*=============================================================*/ +/*------ OS Portability Macros --------------------------------*/ +/*=============================================================*/ + +#ifndef WLAN_DBVAR +#define WLAN_DBVAR wlan_debug +#endif + +#ifndef KERNEL_VERSION +#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c)) +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) +# if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,8)) +# include +# else +# include +# endif +#elif defined(__KERNEL__) +# define PREEMPT_MASK (0x000000FFUL) +# define preempt_count() (0UL) +#endif + +#define WLAN_LOG_ERROR(x,args...) printk(KERN_ERR "%s: " x , __FUNCTION__ , ##args); + +#define WLAN_LOG_WARNING(x,args...) printk(KERN_WARNING "%s: " x , __FUNCTION__ , ##args); + +#define WLAN_LOG_NOTICE(x,args...) printk(KERN_NOTICE "%s: " x , __FUNCTION__ , ##args); + +#define WLAN_LOG_INFO(args... ) printk(KERN_INFO args) + +#if defined(WLAN_INCLUDE_DEBUG) + #define WLAN_ASSERT(c) if ((!(c)) && WLAN_DBVAR >= 1) { \ + WLAN_LOG_DEBUG(1, "Assertion failure!\n"); } + #define WLAN_HEX_DUMP( l, x, p, n) if( WLAN_DBVAR >= (l) ){ \ + int __i__; \ + printk(KERN_DEBUG x ":"); \ + for( __i__=0; __i__ < (n); __i__++) \ + printk( " %02x", ((UINT8*)(p))[__i__]); \ + printk("\n"); } + #define DBFENTER { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"---->\n"); } } + #define DBFEXIT { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"<----\n"); } } + + #define WLAN_LOG_DEBUG(l,x,args...) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s(%lu): " x , __FUNCTION__, (preempt_count() & PREEMPT_MASK), ##args ); +#else + #define WLAN_ASSERT(c) + #define WLAN_HEX_DUMP( l, s, p, n) + #define DBFENTER + #define DBFEXIT + + #define WLAN_LOG_DEBUG(l, s, args...) +#endif + +#ifdef CONFIG_SMP +#define __SMP__ 1 +#endif + +#if defined(__KERNEL__) + +#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19))) +#define URB_ONLY_CALLBACK +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) +#define PT_REGS , struct pt_regs *regs +#else +#define PT_REGS +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)) +# define del_singleshot_timer_sync(a) del_timer_sync(a) +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,17)) +#define CONFIG_NETLINK 1 +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)) +#define kfree_s(a, b) kfree((a)) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,18)) +#ifndef init_waitqueue_head +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,0,16)) +#define init_waitqueue_head(p) (*(p) = NULL) +#else +#define init_waitqueue_head(p) init_waitqueue(p) +#endif +typedef struct wait_queue *wait_queue_head_t; +typedef struct wait_queue wait_queue_t; +#define set_current_state(b) { current->state = (b); mb(); } +#define init_waitqueue_entry(a, b) { (a)->task = current; } +#endif +#endif + +#ifndef wait_event_interruptible_timeout +// retval == 0; signal met; we're good. +// retval < 0; interrupted by signal. +// retval > 0; timed out. + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)) // fixme? + +#define __wait_event_interruptible_timeout(wq, condition, ret) \ +do { \ + wait_queue_t __wait; \ + init_waitqueue_entry(&__wait, current); \ + \ + add_wait_queue(&wq, &__wait); \ + for (;;) { \ + set_current_state(TASK_INTERRUPTIBLE); \ + if (condition) \ + break; \ + if (!signal_pending(current)) { \ + ret = schedule_timeout(ret) ; \ + if (!ret) \ + break; \ + continue; \ + } \ + ret = -ERESTARTSYS; \ + break; \ + } \ + set_current_state(TASK_RUNNING); \ + remove_wait_queue(&wq, &__wait); \ +} while (0) + +#else // 2.2 + + +#define __wait_event_interruptible_timeout(wq, condition, ret) \ +do { \ + struct wait_queue __wait; \ + \ + __wait.task = current; \ + add_wait_queue(&wq, &__wait); \ + for (;;) { \ + current->state = TASK_INTERRUPTIBLE; \ + if (condition) \ + break; \ + if (!signal_pending(current)) { \ + ret = schedule_timeout(ret); \ + if (!ret) \ + break; \ + continue; \ + } \ + ret = -ERESTARTSYS; \ + break; \ + } \ + current->state = TASK_RUNNING; \ + remove_wait_queue(&wq, &__wait); \ +} while (0) + +#endif // version >= 2.4 + +#define wait_event_interruptible_timeout(wq, condition, timeout) \ +({ \ + long __ret = timeout; \ + if (!(condition)) \ + __wait_event_interruptible_timeout(wq, condition, __ret); \ + __ret; \ +}) + +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20)) +#ifdef _LINUX_LIST_H + +static inline void list_move_tail(struct list_head *list, + struct list_head *head) +{ + __list_del(list->prev, list->next); + list_add_tail(list, head); +} + +static inline void __list_splice(struct list_head *list, + struct list_head *head) +{ + struct list_head *first = list->next; + struct list_head *last = list->prev; + struct list_head *at = head->next; + + first->prev = head; + head->next = first; + + last->next = at; + at->prev = last; +} + +static inline void list_move(struct list_head *list, struct list_head *head) +{ + __list_del(list->prev, list->next); + list_add(list, head); +} + +static inline void list_splice_init(struct list_head *list, + struct list_head *head) +{ + if (!list_empty(list)) { + __list_splice(list, head); + INIT_LIST_HEAD(list); + } +} + + +#endif // LIST_H +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,90)) +#define spin_lock(l) do { } while (0) +#define spin_unlock(l) do { } while (0) +#define spin_lock_irqsave(l,f) do { save_flags(f); cli(); } while (0) +#define spin_unlock_irqrestore(l,f) do { restore_flags(f); } while (0) +#define spin_lock_init(s) do { } while (0) +#define spin_trylock(l) (1) +typedef int spinlock_t; +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) // XXX ??? +#define spin_lock_bh spin_lock +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) +#ifdef CONFIG_SMP +#define spin_is_locked(x) (*(volatile char *)(&(x)->lock) <= 0) +#else +#define spin_is_locked(l) (0) +#endif +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,28)) +#define __user +#define __iomem +#endif + +#ifdef _LINUX_PROC_FS_H +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,25)) + +extern inline struct proc_dir_entry * +create_proc_read_entry(const char *name, mode_t mode, + struct proc_dir_entry *base, + read_proc_t *read_proc, void *data) +{ + struct proc_dir_entry *res = create_proc_entry(name, mode, base); + if (res) { + res->read_proc = read_proc; + res->data = data; + } + return res; +} +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,29)) +#ifndef proc_mkdir +#define proc_mkdir(name, root) create_proc_entry(name, S_IFDIR, root) +#endif +#endif +#endif /* _LINUX_PROC_FS_H */ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#ifndef INIT_TQUEUE +#define PREPARE_TQUEUE(_tq, _routine, _data) \ + do { \ + (_tq)->routine = _routine; \ + (_tq)->data = _data; \ + } while (0) +#define INIT_TQUEUE(_tq, _routine, _data) \ + do { \ + INIT_LIST_HEAD(&(_tq)->list); \ + (_tq)->sync = 0; \ + PREPARE_TQUEUE((_tq), (_routine), (_data)); \ + } while (0) +#endif + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) +#endif + +#ifndef INIT_WORK +#define work_struct tq_struct + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) +#define schedule_work(a) queue_task(a, &tq_scheduler) +#else +#define schedule_work(a) schedule_task(a) +#endif + +#define flush_scheduled_work flush_scheduled_tasks +#define INIT_WORK2(_wq, _routine) INIT_TQUEUE(_wq, (void (*)(void *))_routine, _wq) +#endif + +#else // >= 2.5 kernel + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) +#define INIT_WORK2(_wq, _routine) INIT_WORK(_wq, (void (*)(void *))_routine, _wq) +#else +#define INIT_WORK2(_wq, _routine) INIT_WORK(_wq, _routine) +#endif + +#endif // >= 2.5 kernel + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38)) +typedef struct device netdevice_t; +#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4)) +typedef struct net_device netdevice_t; +#else +#undef netdevice_t +typedef struct net_device netdevice_t; +#endif + +#ifdef WIRELESS_EXT +#if (WIRELESS_EXT < 13) +struct iw_request_info +{ + __u16 cmd; /* Wireless Extension command */ + __u16 flags; /* More to come ;-) */ +}; +#endif +#endif + + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,18)) +#define MODULE_PARM(a,b) extern int __bogus_decl +#define MODULE_AUTHOR(a) extern int __bogus_decl +#define MODULE_DESCRIPTION(a) extern int __bogus_decl +#define MODULE_SUPPORTED_DEVICE(a) extern int __bogus_decl +#undef GET_USE_COUNT +#define GET_USE_COUNT(m) mod_use_count_ +#endif + +#ifndef MODULE_OWNER +#define MODULE_OWNER(a) extern int __bogus_decl +#define ANCIENT_MODULE_CODE +#endif + +#ifndef MODULE_LICENSE +#define MODULE_LICENSE(m) extern int __bogus_decl +#endif + +/* TODO: Do we care about this? */ +#ifndef MODULE_DEVICE_TABLE +#define MODULE_DEVICE_TABLE(foo,bar) +#endif + +#define wlan_minutes2ticks(a) ((a)*(wlan_ticks_per_sec * 60)) +#define wlan_seconds2ticks(a) ((a)*(wlan_ticks_per_sec)) + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,47)) +#define NEW_MODULE_CODE +#ifdef ANCIENT_MODULE_CODE +#undef ANCIENT_MODULE_CODE +#endif +#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,25)) +#define module_param(name, type, perm) \ + static inline void *__check_existence_##name(void) { return &name; } \ + MODULE_PARM(name, _MODULE_PARM_STRING_ ## type) + +#define _MODULE_PARM_STRING_byte "b" +#define _MODULE_PARM_STRING_short "h" +#define _MODULE_PARM_STRING_ushort "h" +#define _MODULE_PARM_STRING_int "i" +#define _MODULE_PARM_STRING_uint "i" +#define _MODULE_PARM_STRING_long "l" +#define _MODULE_PARM_STRING_ulong "l" +#define _MODULE_PARM_STRING_bool "i" +#endif + +/* linux < 2.5.69 */ +#ifndef IRQ_NONE +typedef void irqreturn_t; +#define IRQ_NONE +#define IRQ_HANDLED +#define IRQ_RETVAL(x) +#endif + +#ifndef in_atomic +#define in_atomic() 0 +#endif + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)) +#define URB_ASYNC_UNLINK 0 +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)) +#define URB_ASYNC_UNLINK USB_ASYNC_UNLINK +#define usb_fill_bulk_urb FILL_BULK_URB +#define usb_kill_urb usb_unlink_urb +#else +#define USB_QUEUE_BULK 0 +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)) +typedef u32 pm_message_t; +#endif + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)) +#define hotplug_path "/etc/hotplug/wlan.agent" +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)) +#define free_netdev(x) kfree(x) +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)) +#define eth_hdr(x) (x)->mac.ethernet +#endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) +#define del_timer_sync(a) del_timer(a) +#endif + +#ifndef might_sleep +#define might_sleep(a) do { } while (0) +#endif + +/* Apparently 2.4.2 ethtool is quite different, maybe newer too? */ +#if (defined(SIOETHTOOL) && !defined(ETHTOOL_GDRVINFO)) +#undef SIOETHTOOL +#endif + +// pcmcia-cs stuff +#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) && \ + !defined(pcmcia_access_configuration_register)) +#define pcmcia_access_configuration_register(handle, reg) \ + CardServices(AccessConfigurationRegister, handle, reg) +#define pcmcia_register_client(handle, reg) \ + CardServices(RegisterClient, handle, reg) +#define pcmcia_deregister_client(handle) \ + CardServices(DeregisterClient, handle) +#define pcmcia_get_first_tuple(handle, tuple) \ + CardServices(GetFirstTuple, handle, tuple) +#define pcmcia_get_next_tuple(handle, tuple) \ + CardServices(GetNextTuple, handle, tuple) +#define pcmcia_get_tuple_data(handle, tuple) \ + CardServices(GetTupleData, handle, tuple) +#define pcmcia_parse_tuple(handle, tuple, parse) \ + CardServices(ParseTuple, handle, tuple, parse) +#define pcmcia_get_configuration_info(handle, config) \ + CardServices(GetConfigurationInfo, handle, config) +#define pcmcia_request_io(handle, req) \ + CardServices(RequestIO, handle, req) +#define pcmcia_request_irq(handle, req) \ + CardServices(RequestIRQ, handle, req) +#define pcmcia_request_configuration(handle, req) \ + CardServices(RequestConfiguration, handle, req) +#define pcmcia_release_configuration(handle) \ + CardServices(ReleaseConfiguration, handle) +#define pcmcia_release_io(handle, req) \ + CardServices(ReleaseIO, handle, req) +#define pcmcia_release_irq(handle, req) \ + CardServices(ReleaseIRQ, handle, req) +#define pcmcia_release_window(win) \ + CardServices(ReleaseWindow, win) +#define pcmcia_get_card_services_info(info) \ + CardServices(GetCardServicesInfo, info) +#define pcmcia_report_error(handle, err) \ + CardServices(ReportError, handle, err) +#endif + +#endif /* __KERNEL__ */ + +/*=============================================================*/ +/*------ Hardware Portability Macros --------------------------*/ +/*=============================================================*/ + +#define ieee2host16(n) __le16_to_cpu(n) +#define ieee2host32(n) __le32_to_cpu(n) +#define host2ieee16(n) __cpu_to_le16(n) +#define host2ieee32(n) __cpu_to_le32(n) + +#if (WLAN_CPU_FAMILY != WLAN_MIPS) +typedef UINT32 phys_t; +#endif + +#if (WLAN_CPU_FAMILY == WLAN_PPC) + #define wlan_inw(a) in_be16((unsigned short *)((a)+_IO_BASE)) + #define wlan_inw_le16_to_cpu(a) inw((a)) + #define wlan_outw(v,a) out_be16((unsigned short *)((a)+_IO_BASE), (v)) + #define wlan_outw_cpu_to_le16(v,a) outw((v),(a)) +#else + #define wlan_inw(a) inw((a)) + #define wlan_inw_le16_to_cpu(a) __cpu_to_le16(inw((a))) + #define wlan_outw(v,a) outw((v),(a)) + #define wlan_outw_cpu_to_le16(v,a) outw(__cpu_to_le16((v)),(a)) +#endif + +/*=============================================================*/ +/*--- General Macros ------------------------------------------*/ +/*=============================================================*/ + +#define wlan_max(a, b) (((a) > (b)) ? (a) : (b)) +#define wlan_min(a, b) (((a) < (b)) ? (a) : (b)) + +#define wlan_isprint(c) (((c) > (0x19)) && ((c) < (0x7f))) + +#define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a))) + +/* Create a string of printable chars from something that might not be */ +/* It's recommended that the str be 4*len + 1 bytes long */ +#define wlan_mkprintstr(buf, buflen, str, strlen) \ +{ \ + int i = 0; \ + int j = 0; \ + memset(str, 0, (strlen)); \ + for (i = 0; i < (buflen); i++) { \ + if ( wlan_isprint((buf)[i]) ) { \ + (str)[j] = (buf)[i]; \ + j++; \ + } else { \ + (str)[j] = '\\'; \ + (str)[j+1] = 'x'; \ + (str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \ + (str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \ + j += 4; \ + } \ + } \ +} + +/*=============================================================*/ +/*--- Variables -----------------------------------------------*/ +/*=============================================================*/ + +#ifdef WLAN_INCLUDE_DEBUG +extern int wlan_debug; +#endif + +extern int wlan_ethconv; /* What's the default ethconv? */ + +/*=============================================================*/ +/*--- Functions -----------------------------------------------*/ +/*=============================================================*/ +#endif /* _WLAN_COMPAT_H */ + -- GitLab From 10602db812fa270fc923f5e48fb47202288828f3 Mon Sep 17 00:00:00 2001 From: David Rowe Date: Mon, 6 Oct 2008 21:41:46 -0700 Subject: [PATCH 3641/6244] Staging: add echo cancelation module This is used by mISDN and Zaptel drivers. From: Steve Underwood From: David Rowe Cc: Tzafrir Cohen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/echo/Kconfig | 9 + drivers/staging/echo/Makefile | 1 + drivers/staging/echo/TODO | 10 + drivers/staging/echo/bit_operations.h | 253 +++++++++++ drivers/staging/echo/echo.c | 632 ++++++++++++++++++++++++++ drivers/staging/echo/echo.h | 220 +++++++++ drivers/staging/echo/fir.h | 369 +++++++++++++++ drivers/staging/echo/mmx.h | 288 ++++++++++++ 10 files changed, 1785 insertions(+) create mode 100644 drivers/staging/echo/Kconfig create mode 100644 drivers/staging/echo/Makefile create mode 100644 drivers/staging/echo/TODO create mode 100644 drivers/staging/echo/bit_operations.h create mode 100644 drivers/staging/echo/echo.c create mode 100644 drivers/staging/echo/echo.h create mode 100644 drivers/staging/echo/fir.h create mode 100644 drivers/staging/echo/mmx.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 762b471fdeda..25338b7eac98 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -39,4 +39,6 @@ source "drivers/staging/winbond/Kconfig" source "drivers/staging/wlan-ng/Kconfig" +source "drivers/staging/echo/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 574198479d66..93decb89b1d8 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_USB_IP_COMMON) += usbip/ obj-$(CONFIG_W35UND) += winbond/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ +obj-$(CONFIG_ECHO) += echo/ diff --git a/drivers/staging/echo/Kconfig b/drivers/staging/echo/Kconfig new file mode 100644 index 000000000000..f1d41ea9cd48 --- /dev/null +++ b/drivers/staging/echo/Kconfig @@ -0,0 +1,9 @@ +config ECHO + tristate "Line Echo Canceller support" + default n + ---help--- + This driver provides line echo cancelling support for mISDN and + Zaptel drivers. + + To compile this driver as a module, choose M here. The module + will be called echo. diff --git a/drivers/staging/echo/Makefile b/drivers/staging/echo/Makefile new file mode 100644 index 000000000000..7d4caac12a8d --- /dev/null +++ b/drivers/staging/echo/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ECHO) += echo.o diff --git a/drivers/staging/echo/TODO b/drivers/staging/echo/TODO new file mode 100644 index 000000000000..1ca09afd603e --- /dev/null +++ b/drivers/staging/echo/TODO @@ -0,0 +1,10 @@ +TODO: + - checkpatch.pl cleanups + - Lindent + - typedef removals + - handle bit_operations.h (merge in or make part of common code?) + - remove proc interface, only use echo.h interface (proc interface is + racy and not correct.) + +Please send patches to Greg Kroah-Hartman and Cc: Steve +Underwood and David Rowe diff --git a/drivers/staging/echo/bit_operations.h b/drivers/staging/echo/bit_operations.h new file mode 100644 index 000000000000..b32f4bf99397 --- /dev/null +++ b/drivers/staging/echo/bit_operations.h @@ -0,0 +1,253 @@ +/* + * SpanDSP - a series of DSP components for telephony + * + * bit_operations.h - Various bit level operations, such as bit reversal + * + * Written by Steve Underwood + * + * Copyright (C) 2006 Steve Underwood + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: bit_operations.h,v 1.11 2006/11/28 15:37:03 steveu Exp $ + */ + +/*! \file */ + +#if !defined(_BIT_OPERATIONS_H_) +#define _BIT_OPERATIONS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(__i386__) || defined(__x86_64__) +/*! \brief Find the bit position of the highest set bit in a word + \param bits The word to be searched + \return The bit number of the highest set bit, or -1 if the word is zero. */ +static __inline__ int top_bit(unsigned int bits) +{ + int res; + + __asm__ (" xorl %[res],%[res];\n" + " decl %[res];\n" + " bsrl %[bits],%[res]\n" + : [res] "=&r" (res) + : [bits] "rm" (bits)); + return res; +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Find the bit position of the lowest set bit in a word + \param bits The word to be searched + \return The bit number of the lowest set bit, or -1 if the word is zero. */ +static __inline__ int bottom_bit(unsigned int bits) +{ + int res; + + __asm__ (" xorl %[res],%[res];\n" + " decl %[res];\n" + " bsfl %[bits],%[res]\n" + : [res] "=&r" (res) + : [bits] "rm" (bits)); + return res; +} +/*- End of function --------------------------------------------------------*/ +#else +static __inline__ int top_bit(unsigned int bits) +{ + int i; + + if (bits == 0) + return -1; + i = 0; + if (bits & 0xFFFF0000) + { + bits &= 0xFFFF0000; + i += 16; + } + if (bits & 0xFF00FF00) + { + bits &= 0xFF00FF00; + i += 8; + } + if (bits & 0xF0F0F0F0) + { + bits &= 0xF0F0F0F0; + i += 4; + } + if (bits & 0xCCCCCCCC) + { + bits &= 0xCCCCCCCC; + i += 2; + } + if (bits & 0xAAAAAAAA) + { + bits &= 0xAAAAAAAA; + i += 1; + } + return i; +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ int bottom_bit(unsigned int bits) +{ + int i; + + if (bits == 0) + return -1; + i = 32; + if (bits & 0x0000FFFF) + { + bits &= 0x0000FFFF; + i -= 16; + } + if (bits & 0x00FF00FF) + { + bits &= 0x00FF00FF; + i -= 8; + } + if (bits & 0x0F0F0F0F) + { + bits &= 0x0F0F0F0F; + i -= 4; + } + if (bits & 0x33333333) + { + bits &= 0x33333333; + i -= 2; + } + if (bits & 0x55555555) + { + bits &= 0x55555555; + i -= 1; + } + return i; +} +/*- End of function --------------------------------------------------------*/ +#endif + +/*! \brief Bit reverse a byte. + \param data The byte to be reversed. + \return The bit reversed version of data. */ +static __inline__ uint8_t bit_reverse8(uint8_t x) +{ +#if defined(__i386__) || defined(__x86_64__) + /* If multiply is fast */ + return ((x*0x0802U & 0x22110U) | (x*0x8020U & 0x88440U))*0x10101U >> 16; +#else + /* If multiply is slow, but we have a barrel shifter */ + x = (x >> 4) | (x << 4); + x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2); + return ((x & 0xAA) >> 1) | ((x & 0x55) << 1); +#endif +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Bit reverse a 16 bit word. + \param data The word to be reversed. + \return The bit reversed version of data. */ +uint16_t bit_reverse16(uint16_t data); + +/*! \brief Bit reverse a 32 bit word. + \param data The word to be reversed. + \return The bit reversed version of data. */ +uint32_t bit_reverse32(uint32_t data); + +/*! \brief Bit reverse each of the four bytes in a 32 bit word. + \param data The word to be reversed. + \return The bit reversed version of data. */ +uint32_t bit_reverse_4bytes(uint32_t data); + +/*! \brief Find the number of set bits in a 32 bit word. + \param x The word to be searched. + \return The number of set bits. */ +int one_bits32(uint32_t x); + +/*! \brief Create a mask as wide as the number in a 32 bit word. + \param x The word to be searched. + \return The mask. */ +uint32_t make_mask32(uint32_t x); + +/*! \brief Create a mask as wide as the number in a 16 bit word. + \param x The word to be searched. + \return The mask. */ +uint16_t make_mask16(uint16_t x); + +/*! \brief Find the least significant one in a word, and return a word + with just that bit set. + \param x The word to be searched. + \return The word with the single set bit. */ +static __inline__ uint32_t least_significant_one32(uint32_t x) +{ + return (x & (-(int32_t) x)); +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Find the most significant one in a word, and return a word + with just that bit set. + \param x The word to be searched. + \return The word with the single set bit. */ +static __inline__ uint32_t most_significant_one32(uint32_t x) +{ +#if defined(__i386__) || defined(__x86_64__) + return 1 << top_bit(x); +#else + x = make_mask32(x); + return (x ^ (x >> 1)); +#endif +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Find the parity of a byte. + \param x The byte to be checked. + \return 1 for odd, or 0 for even. */ +static __inline__ int parity8(uint8_t x) +{ + x = (x ^ (x >> 4)) & 0x0F; + return (0x6996 >> x) & 1; +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Find the parity of a 16 bit word. + \param x The word to be checked. + \return 1 for odd, or 0 for even. */ +static __inline__ int parity16(uint16_t x) +{ + x ^= (x >> 8); + x = (x ^ (x >> 4)) & 0x0F; + return (0x6996 >> x) & 1; +} +/*- End of function --------------------------------------------------------*/ + +/*! \brief Find the parity of a 32 bit word. + \param x The word to be checked. + \return 1 for odd, or 0 for even. */ +static __inline__ int parity32(uint32_t x) +{ + x ^= (x >> 16); + x ^= (x >> 8); + x = (x ^ (x >> 4)) & 0x0F; + return (0x6996 >> x) & 1; +} +/*- End of function --------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif +/*- End of file ------------------------------------------------------------*/ diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c new file mode 100644 index 000000000000..4a281b14fc58 --- /dev/null +++ b/drivers/staging/echo/echo.c @@ -0,0 +1,632 @@ +/* + * SpanDSP - a series of DSP components for telephony + * + * echo.c - A line echo canceller. This code is being developed + * against and partially complies with G168. + * + * Written by Steve Underwood + * and David Rowe + * + * Copyright (C) 2001, 2003 Steve Underwood, 2007 David Rowe + * + * Based on a bit from here, a bit from there, eye of toad, ear of + * bat, 15 years of failed attempts by David and a few fried brain + * cells. + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: echo.c,v 1.20 2006/12/01 18:00:48 steveu Exp $ + */ + +/*! \file */ + +/* Implementation Notes + David Rowe + April 2007 + + This code started life as Steve's NLMS algorithm with a tap + rotation algorithm to handle divergence during double talk. I + added a Geigel Double Talk Detector (DTD) [2] and performed some + G168 tests. However I had trouble meeting the G168 requirements, + especially for double talk - there were always cases where my DTD + failed, for example where near end speech was under the 6dB + threshold required for declaring double talk. + + So I tried a two path algorithm [1], which has so far given better + results. The original tap rotation/Geigel algorithm is available + in SVN http://svn.rowetel.com/software/oslec/tags/before_16bit. + It's probably possible to make it work if some one wants to put some + serious work into it. + + At present no special treatment is provided for tones, which + generally cause NLMS algorithms to diverge. Initial runs of a + subset of the G168 tests for tones (e.g ./echo_test 6) show the + current algorithm is passing OK, which is kind of surprising. The + full set of tests needs to be performed to confirm this result. + + One other interesting change is that I have managed to get the NLMS + code to work with 16 bit coefficients, rather than the original 32 + bit coefficents. This reduces the MIPs and storage required. + I evaulated the 16 bit port using g168_tests.sh and listening tests + on 4 real-world samples. + + I also attempted the implementation of a block based NLMS update + [2] but although this passes g168_tests.sh it didn't converge well + on the real-world samples. I have no idea why, perhaps a scaling + problem. The block based code is also available in SVN + http://svn.rowetel.com/software/oslec/tags/before_16bit. If this + code can be debugged, it will lead to further reduction in MIPS, as + the block update code maps nicely onto DSP instruction sets (it's a + dot product) compared to the current sample-by-sample update. + + Steve also has some nice notes on echo cancellers in echo.h + + + References: + + [1] Ochiai, Areseki, and Ogihara, "Echo Canceller with Two Echo + Path Models", IEEE Transactions on communications, COM-25, + No. 6, June + 1977. + http://www.rowetel.com/images/echo/dual_path_paper.pdf + + [2] The classic, very useful paper that tells you how to + actually build a real world echo canceller: + Messerschmitt, Hedberg, Cole, Haoui, Winship, "Digital Voice + Echo Canceller with a TMS320020, + http://www.rowetel.com/images/echo/spra129.pdf + + [3] I have written a series of blog posts on this work, here is + Part 1: http://www.rowetel.com/blog/?p=18 + + [4] The source code http://svn.rowetel.com/software/oslec/ + + [5] A nice reference on LMS filters: + http://en.wikipedia.org/wiki/Least_mean_squares_filter + + Credits: + + Thanks to Steve Underwood, Jean-Marc Valin, and Ramakrishnan + Muthukrishnan for their suggestions and email discussions. Thanks + also to those people who collected echo samples for me such as + Mark, Pawel, and Pavel. +*/ + +#include /* We're doing kernel work */ +#include +#include +#include +#define malloc(a) kmalloc((a), GFP_KERNEL) +#define free(a) kfree(a) + +#include "bit_operations.h" +#include "echo.h" + +#define MIN_TX_POWER_FOR_ADAPTION 64 +#define MIN_RX_POWER_FOR_ADAPTION 64 +#define DTD_HANGOVER 600 /* 600 samples, or 75ms */ +#define DC_LOG2BETA 3 /* log2() of DC filter Beta */ + +/*-----------------------------------------------------------------------*\ + FUNCTIONS +\*-----------------------------------------------------------------------*/ + +/* adapting coeffs using the traditional stochastic descent (N)LMS algorithm */ + + +#ifdef __BLACKFIN_ASM__ +static void __inline__ lms_adapt_bg(echo_can_state_t *ec, int clean, int shift) +{ + int i, j; + int offset1; + int offset2; + int factor; + int exp; + int16_t *phist; + int n; + + if (shift > 0) + factor = clean << shift; + else + factor = clean >> -shift; + + /* Update the FIR taps */ + + offset2 = ec->curr_pos; + offset1 = ec->taps - offset2; + phist = &ec->fir_state_bg.history[offset2]; + + /* st: and en: help us locate the assembler in echo.s */ + + //asm("st:"); + n = ec->taps; + for (i = 0, j = offset2; i < n; i++, j++) + { + exp = *phist++ * factor; + ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15); + } + //asm("en:"); + + /* Note the asm for the inner loop above generated by Blackfin gcc + 4.1.1 is pretty good (note even parallel instructions used): + + R0 = W [P0++] (X); + R0 *= R2; + R0 = R0 + R3 (NS) || + R1 = W [P1] (X) || + nop; + R0 >>>= 15; + R0 = R0 + R1; + W [P1++] = R0; + + A block based update algorithm would be much faster but the + above can't be improved on much. Every instruction saved in + the loop above is 2 MIPs/ch! The for loop above is where the + Blackfin spends most of it's time - about 17 MIPs/ch measured + with speedtest.c with 256 taps (32ms). Write-back and + Write-through cache gave about the same performance. + */ +} + +/* + IDEAS for further optimisation of lms_adapt_bg(): + + 1/ The rounding is quite costly. Could we keep as 32 bit coeffs + then make filter pluck the MS 16-bits of the coeffs when filtering? + However this would lower potential optimisation of filter, as I + think the dual-MAC architecture requires packed 16 bit coeffs. + + 2/ Block based update would be more efficient, as per comments above, + could use dual MAC architecture. + + 3/ Look for same sample Blackfin LMS code, see if we can get dual-MAC + packing. + + 4/ Execute the whole e/c in a block of say 20ms rather than sample + by sample. Processing a few samples every ms is inefficient. +*/ + +#else +static __inline__ void lms_adapt_bg(echo_can_state_t *ec, int clean, int shift) +{ + int i; + + int offset1; + int offset2; + int factor; + int exp; + + if (shift > 0) + factor = clean << shift; + else + factor = clean >> -shift; + + /* Update the FIR taps */ + + offset2 = ec->curr_pos; + offset1 = ec->taps - offset2; + + for (i = ec->taps - 1; i >= offset1; i--) + { + exp = (ec->fir_state_bg.history[i - offset1]*factor); + ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15); + } + for ( ; i >= 0; i--) + { + exp = (ec->fir_state_bg.history[i + offset2]*factor); + ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15); + } +} +#endif + +/*- End of function --------------------------------------------------------*/ + +echo_can_state_t *echo_can_create(int len, int adaption_mode) +{ + echo_can_state_t *ec; + int i; + int j; + + ec = kmalloc(sizeof(*ec), GFP_KERNEL); + if (ec == NULL) + return NULL; + memset(ec, 0, sizeof(*ec)); + + ec->taps = len; + ec->log2taps = top_bit(len); + ec->curr_pos = ec->taps - 1; + + for (i = 0; i < 2; i++) + { + if ((ec->fir_taps16[i] = (int16_t *) malloc((ec->taps)*sizeof(int16_t))) == NULL) + { + for (j = 0; j < i; j++) + kfree(ec->fir_taps16[j]); + kfree(ec); + return NULL; + } + memset(ec->fir_taps16[i], 0, (ec->taps)*sizeof(int16_t)); + } + + fir16_create(&ec->fir_state, + ec->fir_taps16[0], + ec->taps); + fir16_create(&ec->fir_state_bg, + ec->fir_taps16[1], + ec->taps); + + for(i=0; i<5; i++) { + ec->xvtx[i] = ec->yvtx[i] = ec->xvrx[i] = ec->yvrx[i] = 0; + } + + ec->cng_level = 1000; + echo_can_adaption_mode(ec, adaption_mode); + + ec->snapshot = (int16_t*)malloc(ec->taps*sizeof(int16_t)); + memset(ec->snapshot, 0, sizeof(int16_t)*ec->taps); + + ec->cond_met = 0; + ec->Pstates = 0; + ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0; + ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0; + ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0; + ec->Lbgn = ec->Lbgn_acc = 0; + ec->Lbgn_upper = 200; + ec->Lbgn_upper_acc = ec->Lbgn_upper << 13; + + return ec; +} +/*- End of function --------------------------------------------------------*/ + +void echo_can_free(echo_can_state_t *ec) +{ + int i; + + fir16_free(&ec->fir_state); + fir16_free(&ec->fir_state_bg); + for (i = 0; i < 2; i++) + kfree(ec->fir_taps16[i]); + kfree(ec->snapshot); + kfree(ec); +} +/*- End of function --------------------------------------------------------*/ + +void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode) +{ + ec->adaption_mode = adaption_mode; +} +/*- End of function --------------------------------------------------------*/ + +void echo_can_flush(echo_can_state_t *ec) +{ + int i; + + ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0; + ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0; + ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0; + + ec->Lbgn = ec->Lbgn_acc = 0; + ec->Lbgn_upper = 200; + ec->Lbgn_upper_acc = ec->Lbgn_upper << 13; + + ec->nonupdate_dwell = 0; + + fir16_flush(&ec->fir_state); + fir16_flush(&ec->fir_state_bg); + ec->fir_state.curr_pos = ec->taps - 1; + ec->fir_state_bg.curr_pos = ec->taps - 1; + for (i = 0; i < 2; i++) + memset(ec->fir_taps16[i], 0, ec->taps*sizeof(int16_t)); + + ec->curr_pos = ec->taps - 1; + ec->Pstates = 0; +} +/*- End of function --------------------------------------------------------*/ + +void echo_can_snapshot(echo_can_state_t *ec) { + memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t)); +} +/*- End of function --------------------------------------------------------*/ + +/* Dual Path Echo Canceller ------------------------------------------------*/ + +int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx) +{ + int32_t echo_value; + int clean_bg; + int tmp, tmp1; + + /* Input scaling was found be required to prevent problems when tx + starts clipping. Another possible way to handle this would be the + filter coefficent scaling. */ + + ec->tx = tx; ec->rx = rx; + tx >>=1; + rx >>=1; + + /* + Filter DC, 3dB point is 160Hz (I think), note 32 bit precision required + otherwise values do not track down to 0. Zero at DC, Pole at (1-Beta) + only real axis. Some chip sets (like Si labs) don't need + this, but something like a $10 X100P card does. Any DC really slows + down convergence. + + Note: removes some low frequency from the signal, this reduces + the speech quality when listening to samples through headphones + but may not be obvious through a telephone handset. + + Note that the 3dB frequency in radians is approx Beta, e.g. for + Beta = 2^(-3) = 0.125, 3dB freq is 0.125 rads = 159Hz. + */ + + if (ec->adaption_mode & ECHO_CAN_USE_RX_HPF) { + tmp = rx << 15; +#if 1 + /* Make sure the gain of the HPF is 1.0. This can still saturate a little under + impulse conditions, and it might roll to 32768 and need clipping on sustained peak + level signals. However, the scale of such clipping is small, and the error due to + any saturation should not markedly affect the downstream processing. */ + tmp -= (tmp >> 4); +#endif + ec->rx_1 += -(ec->rx_1>>DC_LOG2BETA) + tmp - ec->rx_2; + + /* hard limit filter to prevent clipping. Note that at this stage + rx should be limited to +/- 16383 due to right shift above */ + tmp1 = ec->rx_1 >> 15; + if (tmp1 > 16383) tmp1 = 16383; + if (tmp1 < -16383) tmp1 = -16383; + rx = tmp1; + ec->rx_2 = tmp; + } + + /* Block average of power in the filter states. Used for + adaption power calculation. */ + + { + int new, old; + + /* efficient "out with the old and in with the new" algorithm so + we don't have to recalculate over the whole block of + samples. */ + new = (int)tx * (int)tx; + old = (int)ec->fir_state.history[ec->fir_state.curr_pos] * + (int)ec->fir_state.history[ec->fir_state.curr_pos]; + ec->Pstates += ((new - old) + (1<log2taps)) >> ec->log2taps; + if (ec->Pstates < 0) ec->Pstates = 0; + } + + /* Calculate short term average levels using simple single pole IIRs */ + + ec->Ltxacc += abs(tx) - ec->Ltx; + ec->Ltx = (ec->Ltxacc + (1<<4)) >> 5; + ec->Lrxacc += abs(rx) - ec->Lrx; + ec->Lrx = (ec->Lrxacc + (1<<4)) >> 5; + + /* Foreground filter ---------------------------------------------------*/ + + ec->fir_state.coeffs = ec->fir_taps16[0]; + echo_value = fir16(&ec->fir_state, tx); + ec->clean = rx - echo_value; + ec->Lcleanacc += abs(ec->clean) - ec->Lclean; + ec->Lclean = (ec->Lcleanacc + (1<<4)) >> 5; + + /* Background filter ---------------------------------------------------*/ + + echo_value = fir16(&ec->fir_state_bg, tx); + clean_bg = rx - echo_value; + ec->Lclean_bgacc += abs(clean_bg) - ec->Lclean_bg; + ec->Lclean_bg = (ec->Lclean_bgacc + (1<<4)) >> 5; + + /* Background Filter adaption -----------------------------------------*/ + + /* Almost always adap bg filter, just simple DT and energy + detection to minimise adaption in cases of strong double talk. + However this is not critical for the dual path algorithm. + */ + ec->factor = 0; + ec->shift = 0; + if ((ec->nonupdate_dwell == 0)) { + int P, logP, shift; + + /* Determine: + + f = Beta * clean_bg_rx/P ------ (1) + + where P is the total power in the filter states. + + The Boffins have shown that if we obey (1) we converge + quickly and avoid instability. + + The correct factor f must be in Q30, as this is the fixed + point format required by the lms_adapt_bg() function, + therefore the scaled version of (1) is: + + (2^30) * f = (2^30) * Beta * clean_bg_rx/P + factor = (2^30) * Beta * clean_bg_rx/P ----- (2) + + We have chosen Beta = 0.25 by experiment, so: + + factor = (2^30) * (2^-2) * clean_bg_rx/P + + (30 - 2 - log2(P)) + factor = clean_bg_rx 2 ----- (3) + + To avoid a divide we approximate log2(P) as top_bit(P), + which returns the position of the highest non-zero bit in + P. This approximation introduces an error as large as a + factor of 2, but the algorithm seems to handle it OK. + + Come to think of it a divide may not be a big deal on a + modern DSP, so its probably worth checking out the cycles + for a divide versus a top_bit() implementation. + */ + + P = MIN_TX_POWER_FOR_ADAPTION + ec->Pstates; + logP = top_bit(P) + ec->log2taps; + shift = 30 - 2 - logP; + ec->shift = shift; + + lms_adapt_bg(ec, clean_bg, shift); + } + + /* very simple DTD to make sure we dont try and adapt with strong + near end speech */ + + ec->adapt = 0; + if ((ec->Lrx > MIN_RX_POWER_FOR_ADAPTION) && (ec->Lrx > ec->Ltx)) + ec->nonupdate_dwell = DTD_HANGOVER; + if (ec->nonupdate_dwell) + ec->nonupdate_dwell--; + + /* Transfer logic ------------------------------------------------------*/ + + /* These conditions are from the dual path paper [1], I messed with + them a bit to improve performance. */ + + if ((ec->adaption_mode & ECHO_CAN_USE_ADAPTION) && + (ec->nonupdate_dwell == 0) && + (8*ec->Lclean_bg < 7*ec->Lclean) /* (ec->Lclean_bg < 0.875*ec->Lclean) */ && + (8*ec->Lclean_bg < ec->Ltx) /* (ec->Lclean_bg < 0.125*ec->Ltx) */ ) + { + if (ec->cond_met == 6) { + /* BG filter has had better results for 6 consecutive samples */ + ec->adapt = 1; + memcpy(ec->fir_taps16[0], ec->fir_taps16[1], ec->taps*sizeof(int16_t)); + } + else + ec->cond_met++; + } + else + ec->cond_met = 0; + + /* Non-Linear Processing ---------------------------------------------------*/ + + ec->clean_nlp = ec->clean; + if (ec->adaption_mode & ECHO_CAN_USE_NLP) + { + /* Non-linear processor - a fancy way to say "zap small signals, to avoid + residual echo due to (uLaw/ALaw) non-linearity in the channel.". */ + + if ((16*ec->Lclean < ec->Ltx)) + { + /* Our e/c has improved echo by at least 24 dB (each factor of 2 is 6dB, + so 2*2*2*2=16 is the same as 6+6+6+6=24dB) */ + if (ec->adaption_mode & ECHO_CAN_USE_CNG) + { + ec->cng_level = ec->Lbgn; + + /* Very elementary comfort noise generation. Just random + numbers rolled off very vaguely Hoth-like. DR: This + noise doesn't sound quite right to me - I suspect there + are some overlfow issues in the filtering as it's too + "crackly". TODO: debug this, maybe just play noise at + high level or look at spectrum. + */ + + ec->cng_rndnum = 1664525U*ec->cng_rndnum + 1013904223U; + ec->cng_filter = ((ec->cng_rndnum & 0xFFFF) - 32768 + 5*ec->cng_filter) >> 3; + ec->clean_nlp = (ec->cng_filter*ec->cng_level*8) >> 14; + + } + else if (ec->adaption_mode & ECHO_CAN_USE_CLIP) + { + /* This sounds much better than CNG */ + if (ec->clean_nlp > ec->Lbgn) + ec->clean_nlp = ec->Lbgn; + if (ec->clean_nlp < -ec->Lbgn) + ec->clean_nlp = -ec->Lbgn; + } + else + { + /* just mute the residual, doesn't sound very good, used mainly + in G168 tests */ + ec->clean_nlp = 0; + } + } + else { + /* Background noise estimator. I tried a few algorithms + here without much luck. This very simple one seems to + work best, we just average the level using a slow (1 sec + time const) filter if the current level is less than a + (experimentally derived) constant. This means we dont + include high level signals like near end speech. When + combined with CNG or especially CLIP seems to work OK. + */ + if (ec->Lclean < 40) { + ec->Lbgn_acc += abs(ec->clean) - ec->Lbgn; + ec->Lbgn = (ec->Lbgn_acc + (1<<11)) >> 12; + } + } + } + + /* Roll around the taps buffer */ + if (ec->curr_pos <= 0) + ec->curr_pos = ec->taps; + ec->curr_pos--; + + if (ec->adaption_mode & ECHO_CAN_DISABLE) + ec->clean_nlp = rx; + + /* Output scaled back up again to match input scaling */ + + return (int16_t) ec->clean_nlp << 1; +} + +/*- End of function --------------------------------------------------------*/ + +/* This function is seperated from the echo canceller is it is usually called + as part of the tx process. See rx HP (DC blocking) filter above, it's + the same design. + + Some soft phones send speech signals with a lot of low frequency + energy, e.g. down to 20Hz. This can make the hybrid non-linear + which causes the echo canceller to fall over. This filter can help + by removing any low frequency before it gets to the tx port of the + hybrid. + + It can also help by removing and DC in the tx signal. DC is bad + for LMS algorithms. + + This is one of the classic DC removal filters, adjusted to provide sufficient + bass rolloff to meet the above requirement to protect hybrids from things that + upset them. The difference between successive samples produces a lousy HPF, and + then a suitably placed pole flattens things out. The final result is a nicely + rolled off bass end. The filtering is implemented with extended fractional + precision, which noise shapes things, giving very clean DC removal. +*/ + +int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx) { + int tmp, tmp1; + + if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) { + tmp = tx << 15; +#if 1 + /* Make sure the gain of the HPF is 1.0. The first can still saturate a little under + impulse conditions, and it might roll to 32768 and need clipping on sustained peak + level signals. However, the scale of such clipping is small, and the error due to + any saturation should not markedly affect the downstream processing. */ + tmp -= (tmp >> 4); +#endif + ec->tx_1 += -(ec->tx_1>>DC_LOG2BETA) + tmp - ec->tx_2; + tmp1 = ec->tx_1 >> 15; + if (tmp1 > 32767) tmp1 = 32767; + if (tmp1 < -32767) tmp1 = -32767; + tx = tmp1; + ec->tx_2 = tmp; + } + + return tx; +} diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h new file mode 100644 index 000000000000..7a91b4390f3b --- /dev/null +++ b/drivers/staging/echo/echo.h @@ -0,0 +1,220 @@ +/* + * SpanDSP - a series of DSP components for telephony + * + * echo.c - A line echo canceller. This code is being developed + * against and partially complies with G168. + * + * Written by Steve Underwood + * and David Rowe + * + * Copyright (C) 2001 Steve Underwood and 2007 David Rowe + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: echo.h,v 1.9 2006/10/24 13:45:28 steveu Exp $ + */ + +#ifndef __ECHO_H +#define __ECHO_H + +/*! \page echo_can_page Line echo cancellation for voice + +\section echo_can_page_sec_1 What does it do? +This module aims to provide G.168-2002 compliant echo cancellation, to remove +electrical echoes (e.g. from 2-4 wire hybrids) from voice calls. + +\section echo_can_page_sec_2 How does it work? +The heart of the echo cancellor is FIR filter. This is adapted to match the +echo impulse response of the telephone line. It must be long enough to +adequately cover the duration of that impulse response. The signal transmitted +to the telephone line is passed through the FIR filter. Once the FIR is +properly adapted, the resulting output is an estimate of the echo signal +received from the line. This is subtracted from the received signal. The result +is an estimate of the signal which originated at the far end of the line, free +from echos of our own transmitted signal. + +The least mean squares (LMS) algorithm is attributed to Widrow and Hoff, and +was introduced in 1960. It is the commonest form of filter adaption used in +things like modem line equalisers and line echo cancellers. There it works very +well. However, it only works well for signals of constant amplitude. It works +very poorly for things like speech echo cancellation, where the signal level +varies widely. This is quite easy to fix. If the signal level is normalised - +similar to applying AGC - LMS can work as well for a signal of varying +amplitude as it does for a modem signal. This normalised least mean squares +(NLMS) algorithm is the commonest one used for speech echo cancellation. Many +other algorithms exist - e.g. RLS (essentially the same as Kalman filtering), +FAP, etc. Some perform significantly better than NLMS. However, factors such +as computational complexity and patents favour the use of NLMS. + +A simple refinement to NLMS can improve its performance with speech. NLMS tends +to adapt best to the strongest parts of a signal. If the signal is white noise, +the NLMS algorithm works very well. However, speech has more low frequency than +high frequency content. Pre-whitening (i.e. filtering the signal to flatten its +spectrum) the echo signal improves the adapt rate for speech, and ensures the +final residual signal is not heavily biased towards high frequencies. A very +low complexity filter is adequate for this, so pre-whitening adds little to the +compute requirements of the echo canceller. + +An FIR filter adapted using pre-whitened NLMS performs well, provided certain +conditions are met: + + - The transmitted signal has poor self-correlation. + - There is no signal being generated within the environment being + cancelled. + +The difficulty is that neither of these can be guaranteed. + +If the adaption is performed while transmitting noise (or something fairly +noise like, such as voice) the adaption works very well. If the adaption is +performed while transmitting something highly correlative (typically narrow +band energy such as signalling tones or DTMF), the adaption can go seriously +wrong. The reason is there is only one solution for the adaption on a near +random signal - the impulse response of the line. For a repetitive signal, +there are any number of solutions which converge the adaption, and nothing +guides the adaption to choose the generalised one. Allowing an untrained +canceller to converge on this kind of narrowband energy probably a good thing, +since at least it cancels the tones. Allowing a well converged canceller to +continue converging on such energy is just a way to ruin its generalised +adaption. A narrowband detector is needed, so adapation can be suspended at +appropriate times. + +The adaption process is based on trying to eliminate the received signal. When +there is any signal from within the environment being cancelled it may upset +the adaption process. Similarly, if the signal we are transmitting is small, +noise may dominate and disturb the adaption process. If we can ensure that the +adaption is only performed when we are transmitting a significant signal level, +and the environment is not, things will be OK. Clearly, it is easy to tell when +we are sending a significant signal. Telling, if the environment is generating +a significant signal, and doing it with sufficient speed that the adaption will +not have diverged too much more we stop it, is a little harder. + +The key problem in detecting when the environment is sourcing significant +energy is that we must do this very quickly. Given a reasonably long sample of +the received signal, there are a number of strategies which may be used to +assess whether that signal contains a strong far end component. However, by the +time that assessment is complete the far end signal will have already caused +major mis-convergence in the adaption process. An assessment algorithm is +needed which produces a fairly accurate result from a very short burst of far +end energy. + +\section echo_can_page_sec_3 How do I use it? +The echo cancellor processes both the transmit and receive streams sample by +sample. The processing function is not declared inline. Unfortunately, +cancellation requires many operations per sample, so the call overhead is only +a minor burden. +*/ + +#include "fir.h" + +/* Mask bits for the adaption mode */ +#define ECHO_CAN_USE_ADAPTION 0x01 +#define ECHO_CAN_USE_NLP 0x02 +#define ECHO_CAN_USE_CNG 0x04 +#define ECHO_CAN_USE_CLIP 0x08 +#define ECHO_CAN_USE_TX_HPF 0x10 +#define ECHO_CAN_USE_RX_HPF 0x20 +#define ECHO_CAN_DISABLE 0x40 + +/*! + G.168 echo canceller descriptor. This defines the working state for a line + echo canceller. +*/ +typedef struct +{ + int16_t tx,rx; + int16_t clean; + int16_t clean_nlp; + + int nonupdate_dwell; + int curr_pos; + int taps; + int log2taps; + int adaption_mode; + + int cond_met; + int32_t Pstates; + int16_t adapt; + int32_t factor; + int16_t shift; + + /* Average levels and averaging filter states */ + int Ltxacc, Lrxacc, Lcleanacc, Lclean_bgacc; + int Ltx, Lrx; + int Lclean; + int Lclean_bg; + int Lbgn, Lbgn_acc, Lbgn_upper, Lbgn_upper_acc; + + /* foreground and background filter states */ + fir16_state_t fir_state; + fir16_state_t fir_state_bg; + int16_t *fir_taps16[2]; + + /* DC blocking filter states */ + int tx_1, tx_2, rx_1, rx_2; + + /* optional High Pass Filter states */ + int32_t xvtx[5], yvtx[5]; + int32_t xvrx[5], yvrx[5]; + + /* Parameters for the optional Hoth noise generator */ + int cng_level; + int cng_rndnum; + int cng_filter; + + /* snapshot sample of coeffs used for development */ + int16_t *snapshot; +} echo_can_state_t; + +/*! Create a voice echo canceller context. + \param len The length of the canceller, in samples. + \return The new canceller context, or NULL if the canceller could not be created. +*/ +echo_can_state_t *echo_can_create(int len, int adaption_mode); + +/*! Free a voice echo canceller context. + \param ec The echo canceller context. +*/ +void echo_can_free(echo_can_state_t *ec); + +/*! Flush (reinitialise) a voice echo canceller context. + \param ec The echo canceller context. +*/ +void echo_can_flush(echo_can_state_t *ec); + +/*! Set the adaption mode of a voice echo canceller context. + \param ec The echo canceller context. + \param adapt The mode. +*/ +void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode); + +void echo_can_snapshot(echo_can_state_t *ec); + +/*! Process a sample through a voice echo canceller. + \param ec The echo canceller context. + \param tx The transmitted audio sample. + \param rx The received audio sample. + \return The clean (echo cancelled) received sample. +*/ +int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx); + +/*! Process to high pass filter the tx signal. + \param ec The echo canceller context. + \param tx The transmitted auio sample. + \return The HP filtered transmit sample, send this to your D/A. +*/ +int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx); + +#endif /* __ECHO_H */ diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h new file mode 100644 index 000000000000..e1bfc4994886 --- /dev/null +++ b/drivers/staging/echo/fir.h @@ -0,0 +1,369 @@ +/* + * SpanDSP - a series of DSP components for telephony + * + * fir.h - General telephony FIR routines + * + * Written by Steve Underwood + * + * Copyright (C) 2002 Steve Underwood + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * $Id: fir.h,v 1.8 2006/10/24 13:45:28 steveu Exp $ + */ + +/*! \page fir_page FIR filtering +\section fir_page_sec_1 What does it do? +???. + +\section fir_page_sec_2 How does it work? +???. +*/ + +#if !defined(_FIR_H_) +#define _FIR_H_ + +/* + Blackfin NOTES & IDEAS: + + A simple dot product function is used to implement the filter. This performs + just one MAC/cycle which is inefficient but was easy to implement as a first + pass. The current Blackfin code also uses an unrolled form of the filter + history to avoid 0 length hardware loop issues. This is wasteful of + memory. + + Ideas for improvement: + + 1/ Rewrite filter for dual MAC inner loop. The issue here is handling + history sample offsets that are 16 bit aligned - the dual MAC needs + 32 bit aligmnent. There are some good examples in libbfdsp. + + 2/ Use the hardware circular buffer facility tohalve memory usage. + + 3/ Consider using internal memory. + + Using less memory might also improve speed as cache misses will be + reduced. A drop in MIPs and memory approaching 50% should be + possible. + + The foreground and background filters currenlty use a total of + about 10 MIPs/ch as measured with speedtest.c on a 256 TAP echo + can. +*/ + +#if defined(USE_MMX) || defined(USE_SSE2) +#include "mmx.h" +#endif + +/*! + 16 bit integer FIR descriptor. This defines the working state for a single + instance of an FIR filter using 16 bit integer coefficients. +*/ +typedef struct +{ + int taps; + int curr_pos; + const int16_t *coeffs; + int16_t *history; +} fir16_state_t; + +/*! + 32 bit integer FIR descriptor. This defines the working state for a single + instance of an FIR filter using 32 bit integer coefficients, and filtering + 16 bit integer data. +*/ +typedef struct +{ + int taps; + int curr_pos; + const int32_t *coeffs; + int16_t *history; +} fir32_state_t; + +/*! + Floating point FIR descriptor. This defines the working state for a single + instance of an FIR filter using floating point coefficients and data. +*/ +typedef struct +{ + int taps; + int curr_pos; + const float *coeffs; + float *history; +} fir_float_state_t; + +#ifdef __cplusplus +extern "C" { +#endif + +static __inline__ const int16_t *fir16_create(fir16_state_t *fir, + const int16_t *coeffs, + int taps) +{ + fir->taps = taps; + fir->curr_pos = taps - 1; + fir->coeffs = coeffs; +#if defined(USE_MMX) || defined(USE_SSE2) || defined(__BLACKFIN_ASM__) + if ((fir->history = malloc(2*taps*sizeof(int16_t)))) + memset(fir->history, 0, 2*taps*sizeof(int16_t)); +#else + if ((fir->history = (int16_t *) malloc(taps*sizeof(int16_t)))) + memset(fir->history, 0, taps*sizeof(int16_t)); +#endif + return fir->history; +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ void fir16_flush(fir16_state_t *fir) +{ +#if defined(USE_MMX) || defined(USE_SSE2) || defined(__BLACKFIN_ASM__) + memset(fir->history, 0, 2*fir->taps*sizeof(int16_t)); +#else + memset(fir->history, 0, fir->taps*sizeof(int16_t)); +#endif +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ void fir16_free(fir16_state_t *fir) +{ + free(fir->history); +} +/*- End of function --------------------------------------------------------*/ + +#ifdef __BLACKFIN_ASM__ +static inline int32_t dot_asm(short *x, short *y, int len) +{ + int dot; + + len--; + + __asm__ + ( + "I0 = %1;\n\t" + "I1 = %2;\n\t" + "A0 = 0;\n\t" + "R0.L = W[I0++] || R1.L = W[I1++];\n\t" + "LOOP dot%= LC0 = %3;\n\t" + "LOOP_BEGIN dot%=;\n\t" + "A0 += R0.L * R1.L (IS) || R0.L = W[I0++] || R1.L = W[I1++];\n\t" + "LOOP_END dot%=;\n\t" + "A0 += R0.L*R1.L (IS);\n\t" + "R0 = A0;\n\t" + "%0 = R0;\n\t" + : "=&d" (dot) + : "a" (x), "a" (y), "a" (len) + : "I0", "I1", "A1", "A0", "R0", "R1" + ); + + return dot; +} +#endif +/*- End of function --------------------------------------------------------*/ + +static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample) +{ + int32_t y; +#if defined(USE_MMX) + int i; + mmx_t *mmx_coeffs; + mmx_t *mmx_hist; + + fir->history[fir->curr_pos] = sample; + fir->history[fir->curr_pos + fir->taps] = sample; + + mmx_coeffs = (mmx_t *) fir->coeffs; + mmx_hist = (mmx_t *) &fir->history[fir->curr_pos]; + i = fir->taps; + pxor_r2r(mm4, mm4); + /* 8 samples per iteration, so the filter must be a multiple of 8 long. */ + while (i > 0) + { + movq_m2r(mmx_coeffs[0], mm0); + movq_m2r(mmx_coeffs[1], mm2); + movq_m2r(mmx_hist[0], mm1); + movq_m2r(mmx_hist[1], mm3); + mmx_coeffs += 2; + mmx_hist += 2; + pmaddwd_r2r(mm1, mm0); + pmaddwd_r2r(mm3, mm2); + paddd_r2r(mm0, mm4); + paddd_r2r(mm2, mm4); + i -= 8; + } + movq_r2r(mm4, mm0); + psrlq_i2r(32, mm0); + paddd_r2r(mm0, mm4); + movd_r2m(mm4, y); + emms(); +#elif defined(USE_SSE2) + int i; + xmm_t *xmm_coeffs; + xmm_t *xmm_hist; + + fir->history[fir->curr_pos] = sample; + fir->history[fir->curr_pos + fir->taps] = sample; + + xmm_coeffs = (xmm_t *) fir->coeffs; + xmm_hist = (xmm_t *) &fir->history[fir->curr_pos]; + i = fir->taps; + pxor_r2r(xmm4, xmm4); + /* 16 samples per iteration, so the filter must be a multiple of 16 long. */ + while (i > 0) + { + movdqu_m2r(xmm_coeffs[0], xmm0); + movdqu_m2r(xmm_coeffs[1], xmm2); + movdqu_m2r(xmm_hist[0], xmm1); + movdqu_m2r(xmm_hist[1], xmm3); + xmm_coeffs += 2; + xmm_hist += 2; + pmaddwd_r2r(xmm1, xmm0); + pmaddwd_r2r(xmm3, xmm2); + paddd_r2r(xmm0, xmm4); + paddd_r2r(xmm2, xmm4); + i -= 16; + } + movdqa_r2r(xmm4, xmm0); + psrldq_i2r(8, xmm0); + paddd_r2r(xmm0, xmm4); + movdqa_r2r(xmm4, xmm0); + psrldq_i2r(4, xmm0); + paddd_r2r(xmm0, xmm4); + movd_r2m(xmm4, y); +#elif defined(__BLACKFIN_ASM__) + fir->history[fir->curr_pos] = sample; + fir->history[fir->curr_pos + fir->taps] = sample; + y = dot_asm((int16_t*)fir->coeffs, &fir->history[fir->curr_pos], fir->taps); +#else + int i; + int offset1; + int offset2; + + fir->history[fir->curr_pos] = sample; + + offset2 = fir->curr_pos; + offset1 = fir->taps - offset2; + y = 0; + for (i = fir->taps - 1; i >= offset1; i--) + y += fir->coeffs[i]*fir->history[i - offset1]; + for ( ; i >= 0; i--) + y += fir->coeffs[i]*fir->history[i + offset2]; +#endif + if (fir->curr_pos <= 0) + fir->curr_pos = fir->taps; + fir->curr_pos--; + return (int16_t) (y >> 15); +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ const int16_t *fir32_create(fir32_state_t *fir, + const int32_t *coeffs, + int taps) +{ + fir->taps = taps; + fir->curr_pos = taps - 1; + fir->coeffs = coeffs; + fir->history = (int16_t *) malloc(taps*sizeof(int16_t)); + if (fir->history) + memset(fir->history, '\0', taps*sizeof(int16_t)); + return fir->history; +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ void fir32_flush(fir32_state_t *fir) +{ + memset(fir->history, 0, fir->taps*sizeof(int16_t)); +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ void fir32_free(fir32_state_t *fir) +{ + free(fir->history); +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample) +{ + int i; + int32_t y; + int offset1; + int offset2; + + fir->history[fir->curr_pos] = sample; + offset2 = fir->curr_pos; + offset1 = fir->taps - offset2; + y = 0; + for (i = fir->taps - 1; i >= offset1; i--) + y += fir->coeffs[i]*fir->history[i - offset1]; + for ( ; i >= 0; i--) + y += fir->coeffs[i]*fir->history[i + offset2]; + if (fir->curr_pos <= 0) + fir->curr_pos = fir->taps; + fir->curr_pos--; + return (int16_t) (y >> 15); +} +/*- End of function --------------------------------------------------------*/ + +#ifndef __KERNEL__ +static __inline__ const float *fir_float_create(fir_float_state_t *fir, + const float *coeffs, + int taps) +{ + fir->taps = taps; + fir->curr_pos = taps - 1; + fir->coeffs = coeffs; + fir->history = (float *) malloc(taps*sizeof(float)); + if (fir->history) + memset(fir->history, '\0', taps*sizeof(float)); + return fir->history; +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ void fir_float_free(fir_float_state_t *fir) +{ + free(fir->history); +} +/*- End of function --------------------------------------------------------*/ + +static __inline__ int16_t fir_float(fir_float_state_t *fir, int16_t sample) +{ + int i; + float y; + int offset1; + int offset2; + + fir->history[fir->curr_pos] = sample; + + offset2 = fir->curr_pos; + offset1 = fir->taps - offset2; + y = 0; + for (i = fir->taps - 1; i >= offset1; i--) + y += fir->coeffs[i]*fir->history[i - offset1]; + for ( ; i >= 0; i--) + y += fir->coeffs[i]*fir->history[i + offset2]; + if (fir->curr_pos <= 0) + fir->curr_pos = fir->taps; + fir->curr_pos--; + return (int16_t) y; +} +/*- End of function --------------------------------------------------------*/ +#endif + +#ifdef __cplusplus +} +#endif + +#endif +/*- End of file ------------------------------------------------------------*/ diff --git a/drivers/staging/echo/mmx.h b/drivers/staging/echo/mmx.h new file mode 100644 index 000000000000..b5a3964865b6 --- /dev/null +++ b/drivers/staging/echo/mmx.h @@ -0,0 +1,288 @@ +/* + * mmx.h + * Copyright (C) 1997-2001 H. Dietz and R. Fisher + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef AVCODEC_I386MMX_H +#define AVCODEC_I386MMX_H + +/* + * The type of an value that fits in an MMX register (note that long + * long constant values MUST be suffixed by LL and unsigned long long + * values by ULL, lest they be truncated by the compiler) + */ + +typedef union { + long long q; /* Quadword (64-bit) value */ + unsigned long long uq; /* Unsigned Quadword */ + int d[2]; /* 2 Doubleword (32-bit) values */ + unsigned int ud[2]; /* 2 Unsigned Doubleword */ + short w[4]; /* 4 Word (16-bit) values */ + unsigned short uw[4]; /* 4 Unsigned Word */ + char b[8]; /* 8 Byte (8-bit) values */ + unsigned char ub[8]; /* 8 Unsigned Byte */ + float s[2]; /* Single-precision (32-bit) value */ +} mmx_t; /* On an 8-byte (64-bit) boundary */ + +/* SSE registers */ +typedef union { + char b[16]; +} xmm_t; + + +#define mmx_i2r(op,imm,reg) \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "i" (imm) ) + +#define mmx_m2r(op,mem,reg) \ + __asm__ __volatile__ (#op " %0, %%" #reg \ + : /* nothing */ \ + : "m" (mem)) + +#define mmx_r2m(op,reg,mem) \ + __asm__ __volatile__ (#op " %%" #reg ", %0" \ + : "=m" (mem) \ + : /* nothing */ ) + +#define mmx_r2r(op,regs,regd) \ + __asm__ __volatile__ (#op " %" #regs ", %" #regd) + + +#define emms() __asm__ __volatile__ ("emms") + +#define movd_m2r(var,reg) mmx_m2r (movd, var, reg) +#define movd_r2m(reg,var) mmx_r2m (movd, reg, var) +#define movd_r2r(regs,regd) mmx_r2r (movd, regs, regd) + +#define movq_m2r(var,reg) mmx_m2r (movq, var, reg) +#define movq_r2m(reg,var) mmx_r2m (movq, reg, var) +#define movq_r2r(regs,regd) mmx_r2r (movq, regs, regd) + +#define packssdw_m2r(var,reg) mmx_m2r (packssdw, var, reg) +#define packssdw_r2r(regs,regd) mmx_r2r (packssdw, regs, regd) +#define packsswb_m2r(var,reg) mmx_m2r (packsswb, var, reg) +#define packsswb_r2r(regs,regd) mmx_r2r (packsswb, regs, regd) + +#define packuswb_m2r(var,reg) mmx_m2r (packuswb, var, reg) +#define packuswb_r2r(regs,regd) mmx_r2r (packuswb, regs, regd) + +#define paddb_m2r(var,reg) mmx_m2r (paddb, var, reg) +#define paddb_r2r(regs,regd) mmx_r2r (paddb, regs, regd) +#define paddd_m2r(var,reg) mmx_m2r (paddd, var, reg) +#define paddd_r2r(regs,regd) mmx_r2r (paddd, regs, regd) +#define paddw_m2r(var,reg) mmx_m2r (paddw, var, reg) +#define paddw_r2r(regs,regd) mmx_r2r (paddw, regs, regd) + +#define paddsb_m2r(var,reg) mmx_m2r (paddsb, var, reg) +#define paddsb_r2r(regs,regd) mmx_r2r (paddsb, regs, regd) +#define paddsw_m2r(var,reg) mmx_m2r (paddsw, var, reg) +#define paddsw_r2r(regs,regd) mmx_r2r (paddsw, regs, regd) + +#define paddusb_m2r(var,reg) mmx_m2r (paddusb, var, reg) +#define paddusb_r2r(regs,regd) mmx_r2r (paddusb, regs, regd) +#define paddusw_m2r(var,reg) mmx_m2r (paddusw, var, reg) +#define paddusw_r2r(regs,regd) mmx_r2r (paddusw, regs, regd) + +#define pand_m2r(var,reg) mmx_m2r (pand, var, reg) +#define pand_r2r(regs,regd) mmx_r2r (pand, regs, regd) + +#define pandn_m2r(var,reg) mmx_m2r (pandn, var, reg) +#define pandn_r2r(regs,regd) mmx_r2r (pandn, regs, regd) + +#define pcmpeqb_m2r(var,reg) mmx_m2r (pcmpeqb, var, reg) +#define pcmpeqb_r2r(regs,regd) mmx_r2r (pcmpeqb, regs, regd) +#define pcmpeqd_m2r(var,reg) mmx_m2r (pcmpeqd, var, reg) +#define pcmpeqd_r2r(regs,regd) mmx_r2r (pcmpeqd, regs, regd) +#define pcmpeqw_m2r(var,reg) mmx_m2r (pcmpeqw, var, reg) +#define pcmpeqw_r2r(regs,regd) mmx_r2r (pcmpeqw, regs, regd) + +#define pcmpgtb_m2r(var,reg) mmx_m2r (pcmpgtb, var, reg) +#define pcmpgtb_r2r(regs,regd) mmx_r2r (pcmpgtb, regs, regd) +#define pcmpgtd_m2r(var,reg) mmx_m2r (pcmpgtd, var, reg) +#define pcmpgtd_r2r(regs,regd) mmx_r2r (pcmpgtd, regs, regd) +#define pcmpgtw_m2r(var,reg) mmx_m2r (pcmpgtw, var, reg) +#define pcmpgtw_r2r(regs,regd) mmx_r2r (pcmpgtw, regs, regd) + +#define pmaddwd_m2r(var,reg) mmx_m2r (pmaddwd, var, reg) +#define pmaddwd_r2r(regs,regd) mmx_r2r (pmaddwd, regs, regd) + +#define pmulhw_m2r(var,reg) mmx_m2r (pmulhw, var, reg) +#define pmulhw_r2r(regs,regd) mmx_r2r (pmulhw, regs, regd) + +#define pmullw_m2r(var,reg) mmx_m2r (pmullw, var, reg) +#define pmullw_r2r(regs,regd) mmx_r2r (pmullw, regs, regd) + +#define por_m2r(var,reg) mmx_m2r (por, var, reg) +#define por_r2r(regs,regd) mmx_r2r (por, regs, regd) + +#define pslld_i2r(imm,reg) mmx_i2r (pslld, imm, reg) +#define pslld_m2r(var,reg) mmx_m2r (pslld, var, reg) +#define pslld_r2r(regs,regd) mmx_r2r (pslld, regs, regd) +#define psllq_i2r(imm,reg) mmx_i2r (psllq, imm, reg) +#define psllq_m2r(var,reg) mmx_m2r (psllq, var, reg) +#define psllq_r2r(regs,regd) mmx_r2r (psllq, regs, regd) +#define psllw_i2r(imm,reg) mmx_i2r (psllw, imm, reg) +#define psllw_m2r(var,reg) mmx_m2r (psllw, var, reg) +#define psllw_r2r(regs,regd) mmx_r2r (psllw, regs, regd) + +#define psrad_i2r(imm,reg) mmx_i2r (psrad, imm, reg) +#define psrad_m2r(var,reg) mmx_m2r (psrad, var, reg) +#define psrad_r2r(regs,regd) mmx_r2r (psrad, regs, regd) +#define psraw_i2r(imm,reg) mmx_i2r (psraw, imm, reg) +#define psraw_m2r(var,reg) mmx_m2r (psraw, var, reg) +#define psraw_r2r(regs,regd) mmx_r2r (psraw, regs, regd) + +#define psrld_i2r(imm,reg) mmx_i2r (psrld, imm, reg) +#define psrld_m2r(var,reg) mmx_m2r (psrld, var, reg) +#define psrld_r2r(regs,regd) mmx_r2r (psrld, regs, regd) +#define psrlq_i2r(imm,reg) mmx_i2r (psrlq, imm, reg) +#define psrlq_m2r(var,reg) mmx_m2r (psrlq, var, reg) +#define psrlq_r2r(regs,regd) mmx_r2r (psrlq, regs, regd) +#define psrlw_i2r(imm,reg) mmx_i2r (psrlw, imm, reg) +#define psrlw_m2r(var,reg) mmx_m2r (psrlw, var, reg) +#define psrlw_r2r(regs,regd) mmx_r2r (psrlw, regs, regd) + +#define psubb_m2r(var,reg) mmx_m2r (psubb, var, reg) +#define psubb_r2r(regs,regd) mmx_r2r (psubb, regs, regd) +#define psubd_m2r(var,reg) mmx_m2r (psubd, var, reg) +#define psubd_r2r(regs,regd) mmx_r2r (psubd, regs, regd) +#define psubw_m2r(var,reg) mmx_m2r (psubw, var, reg) +#define psubw_r2r(regs,regd) mmx_r2r (psubw, regs, regd) + +#define psubsb_m2r(var,reg) mmx_m2r (psubsb, var, reg) +#define psubsb_r2r(regs,regd) mmx_r2r (psubsb, regs, regd) +#define psubsw_m2r(var,reg) mmx_m2r (psubsw, var, reg) +#define psubsw_r2r(regs,regd) mmx_r2r (psubsw, regs, regd) + +#define psubusb_m2r(var,reg) mmx_m2r (psubusb, var, reg) +#define psubusb_r2r(regs,regd) mmx_r2r (psubusb, regs, regd) +#define psubusw_m2r(var,reg) mmx_m2r (psubusw, var, reg) +#define psubusw_r2r(regs,regd) mmx_r2r (psubusw, regs, regd) + +#define punpckhbw_m2r(var,reg) mmx_m2r (punpckhbw, var, reg) +#define punpckhbw_r2r(regs,regd) mmx_r2r (punpckhbw, regs, regd) +#define punpckhdq_m2r(var,reg) mmx_m2r (punpckhdq, var, reg) +#define punpckhdq_r2r(regs,regd) mmx_r2r (punpckhdq, regs, regd) +#define punpckhwd_m2r(var,reg) mmx_m2r (punpckhwd, var, reg) +#define punpckhwd_r2r(regs,regd) mmx_r2r (punpckhwd, regs, regd) + +#define punpcklbw_m2r(var,reg) mmx_m2r (punpcklbw, var, reg) +#define punpcklbw_r2r(regs,regd) mmx_r2r (punpcklbw, regs, regd) +#define punpckldq_m2r(var,reg) mmx_m2r (punpckldq, var, reg) +#define punpckldq_r2r(regs,regd) mmx_r2r (punpckldq, regs, regd) +#define punpcklwd_m2r(var,reg) mmx_m2r (punpcklwd, var, reg) +#define punpcklwd_r2r(regs,regd) mmx_r2r (punpcklwd, regs, regd) + +#define pxor_m2r(var,reg) mmx_m2r (pxor, var, reg) +#define pxor_r2r(regs,regd) mmx_r2r (pxor, regs, regd) + + +/* 3DNOW extensions */ + +#define pavgusb_m2r(var,reg) mmx_m2r (pavgusb, var, reg) +#define pavgusb_r2r(regs,regd) mmx_r2r (pavgusb, regs, regd) + + +/* AMD MMX extensions - also available in intel SSE */ + + +#define mmx_m2ri(op,mem,reg,imm) \ + __asm__ __volatile__ (#op " %1, %0, %%" #reg \ + : /* nothing */ \ + : "m" (mem), "i" (imm)) +#define mmx_r2ri(op,regs,regd,imm) \ + __asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \ + : /* nothing */ \ + : "i" (imm) ) + +#define mmx_fetch(mem,hint) \ + __asm__ __volatile__ ("prefetch" #hint " %0" \ + : /* nothing */ \ + : "m" (mem)) + + +#define maskmovq(regs,maskreg) mmx_r2ri (maskmovq, regs, maskreg) + +#define movntq_r2m(mmreg,var) mmx_r2m (movntq, mmreg, var) + +#define pavgb_m2r(var,reg) mmx_m2r (pavgb, var, reg) +#define pavgb_r2r(regs,regd) mmx_r2r (pavgb, regs, regd) +#define pavgw_m2r(var,reg) mmx_m2r (pavgw, var, reg) +#define pavgw_r2r(regs,regd) mmx_r2r (pavgw, regs, regd) + +#define pextrw_r2r(mmreg,reg,imm) mmx_r2ri (pextrw, mmreg, reg, imm) + +#define pinsrw_r2r(reg,mmreg,imm) mmx_r2ri (pinsrw, reg, mmreg, imm) + +#define pmaxsw_m2r(var,reg) mmx_m2r (pmaxsw, var, reg) +#define pmaxsw_r2r(regs,regd) mmx_r2r (pmaxsw, regs, regd) + +#define pmaxub_m2r(var,reg) mmx_m2r (pmaxub, var, reg) +#define pmaxub_r2r(regs,regd) mmx_r2r (pmaxub, regs, regd) + +#define pminsw_m2r(var,reg) mmx_m2r (pminsw, var, reg) +#define pminsw_r2r(regs,regd) mmx_r2r (pminsw, regs, regd) + +#define pminub_m2r(var,reg) mmx_m2r (pminub, var, reg) +#define pminub_r2r(regs,regd) mmx_r2r (pminub, regs, regd) + +#define pmovmskb(mmreg,reg) \ + __asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg) + +#define pmulhuw_m2r(var,reg) mmx_m2r (pmulhuw, var, reg) +#define pmulhuw_r2r(regs,regd) mmx_r2r (pmulhuw, regs, regd) + +#define prefetcht0(mem) mmx_fetch (mem, t0) +#define prefetcht1(mem) mmx_fetch (mem, t1) +#define prefetcht2(mem) mmx_fetch (mem, t2) +#define prefetchnta(mem) mmx_fetch (mem, nta) + +#define psadbw_m2r(var,reg) mmx_m2r (psadbw, var, reg) +#define psadbw_r2r(regs,regd) mmx_r2r (psadbw, regs, regd) + +#define pshufw_m2r(var,reg,imm) mmx_m2ri(pshufw, var, reg, imm) +#define pshufw_r2r(regs,regd,imm) mmx_r2ri(pshufw, regs, regd, imm) + +#define sfence() __asm__ __volatile__ ("sfence\n\t") + +/* SSE2 */ +#define pshufhw_m2r(var,reg,imm) mmx_m2ri(pshufhw, var, reg, imm) +#define pshufhw_r2r(regs,regd,imm) mmx_r2ri(pshufhw, regs, regd, imm) +#define pshuflw_m2r(var,reg,imm) mmx_m2ri(pshuflw, var, reg, imm) +#define pshuflw_r2r(regs,regd,imm) mmx_r2ri(pshuflw, regs, regd, imm) + +#define pshufd_r2r(regs,regd,imm) mmx_r2ri(pshufd, regs, regd, imm) + +#define movdqa_m2r(var,reg) mmx_m2r (movdqa, var, reg) +#define movdqa_r2m(reg,var) mmx_r2m (movdqa, reg, var) +#define movdqa_r2r(regs,regd) mmx_r2r (movdqa, regs, regd) +#define movdqu_m2r(var,reg) mmx_m2r (movdqu, var, reg) +#define movdqu_r2m(reg,var) mmx_r2m (movdqu, reg, var) +#define movdqu_r2r(regs,regd) mmx_r2r (movdqu, regs, regd) + +#define pmullw_r2m(reg,var) mmx_r2m (pmullw, reg, var) + +#define pslldq_i2r(imm,reg) mmx_i2r (pslldq, imm, reg) +#define psrldq_i2r(imm,reg) mmx_i2r (psrldq, imm, reg) + +#define punpcklqdq_r2r(regs,regd) mmx_r2r (punpcklqdq, regs, regd) +#define punpckhqdq_r2r(regs,regd) mmx_r2r (punpckhqdq, regs, regd) + + +#endif /* AVCODEC_I386MMX_H */ -- GitLab From d63d692a44c918723895f792ffd17eab7bcfb8ef Mon Sep 17 00:00:00 2001 From: "J.R. Mauro" Date: Fri, 3 Oct 2008 12:21:49 -0400 Subject: [PATCH 3642/6244] Staging: Fix gcc warnings in sxg Fix for compiler warning about format specifier in prints in drivers/staging/sxg/sxg.c Prints were using %x to print unsigned long data. Signed-off-by: J.R. Mauro Signed-off-by: Greg Kroah-Hartman --- drivers/staging/sxg/sxg.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index a91c9f397270..0117d5129402 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -453,7 +453,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) // fails. If we hit a minimum, fail. for (;;) { - DBG_ERROR("%s Allocate XmtRings size[%x]\n", __FUNCTION__, + DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __FUNCTION__, (sizeof(SXG_XMT_RING) * 1)); // Start with big items first - receive and transmit rings. At the moment @@ -470,7 +470,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) } memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1); - DBG_ERROR("%s Allocate RcvRings size[%x]\n", __FUNCTION__, + DBG_ERROR("%s Allocate RcvRings size[%lx]\n", __FUNCTION__, (sizeof(SXG_RCV_RING) * 1)); adapter->RcvRings = pci_alloc_consistent(adapter->pcidev, @@ -531,7 +531,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) return (STATUS_RESOURCES); } - DBG_ERROR("%s Allocate EventRings size[%x]\n", __FUNCTION__, + DBG_ERROR("%s Allocate EventRings size[%lx]\n", __FUNCTION__, (sizeof(SXG_EVENT_RING) * RssIds)); // Allocate event queues. @@ -562,7 +562,7 @@ static int sxg_allocate_resources(p_adapter_t adapter) } memset(adapter->Isr, 0, sizeof(u32) * IsrCount); - DBG_ERROR("%s Allocate shared XMT ring zero index location size[%x]\n", + DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n", __FUNCTION__, sizeof(u32)); // Allocate shared XMT ring zero index location -- GitLab From df20d69ec968b33526461457c219ad4ba8ba8ac8 Mon Sep 17 00:00:00 2001 From: Ross Cohen Date: Mon, 29 Sep 2008 22:36:24 -0400 Subject: [PATCH 3643/6244] Staging: go7007 v4l fixes Fix up some of the v4l issues that were recently changed to make the go7007 driver a bit cleaner. From: Ross Cohen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/go7007/go7007-driver.c | 2 +- drivers/staging/go7007/go7007-v4l2.c | 12 ++++------ drivers/staging/go7007/snd-go7007.c | 4 ++-- drivers/staging/go7007/wis-ov7640.c | 3 +-- drivers/staging/go7007/wis-saa7113.c | 25 +++++++++------------ drivers/staging/go7007/wis-saa7115.c | 29 ++++++++++++------------- drivers/staging/go7007/wis-sony-tuner.c | 3 ++- drivers/staging/go7007/wis-tw2804.c | 29 ++++++++++++------------- drivers/staging/go7007/wis-tw9903.c | 21 +++++++++--------- drivers/staging/go7007/wis-uda1342.c | 2 +- 10 files changed, 59 insertions(+), 71 deletions(-) diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c index 5a336ff2d9bb..81ae4b0fa890 100644 --- a/drivers/staging/go7007/go7007-driver.c +++ b/drivers/staging/go7007/go7007-driver.c @@ -31,7 +31,7 @@ #include #include #include -#include +#include #include #include diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c index d54d0190d814..94e1141a1fcd 100644 --- a/drivers/staging/go7007/go7007-v4l2.c +++ b/drivers/staging/go7007/go7007-v4l2.c @@ -26,8 +26,7 @@ #include #include #include -#include -#include +#include #include #include #include @@ -835,7 +834,6 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file, case VIDIOC_S_STD: { v4l2_std_id *std = arg; - int norm; if (go->streaming) return -EBUSY; @@ -856,20 +854,17 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file, if (*std & V4L2_STD_NTSC) { go->standard = GO7007_STD_NTSC; go->sensor_framerate = 30000; - norm = VIDEO_MODE_NTSC; } else if (*std & V4L2_STD_PAL) { go->standard = GO7007_STD_PAL; go->sensor_framerate = 25025; - norm = VIDEO_MODE_PAL; } else if (*std & V4L2_STD_SECAM) { go->standard = GO7007_STD_PAL; go->sensor_framerate = 25025; - norm = VIDEO_MODE_SECAM; } else return -EINVAL; if (go->i2c_adapter_online) i2c_clients_command(&go->i2c_adapter, - DECODER_SET_NORM, &norm); + VIDIOC_S_STD, std); set_capture_size(go, NULL, 0); return 0; } @@ -933,7 +928,7 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file, return -EBUSY; go->input = *input; if (go->i2c_adapter_online) { - i2c_clients_command(&go->i2c_adapter, DECODER_SET_INPUT, + i2c_clients_command(&go->i2c_adapter, VIDIOC_S_INPUT, &go->board_info->inputs[*input].video_input); i2c_clients_command(&go->i2c_adapter, VIDIOC_S_AUDIO, &go->board_info->inputs[*input].audio_input); @@ -1459,6 +1454,7 @@ static struct file_operations go7007_fops = { static struct video_device go7007_template = { .name = "go7007", + .vfl_type = VID_TYPE_CAPTURE, .fops = &go7007_fops, .minor = -1, .release = go7007_vfl_release, diff --git a/drivers/staging/go7007/snd-go7007.c b/drivers/staging/go7007/snd-go7007.c index f5cac08b07ea..382740c405ff 100644 --- a/drivers/staging/go7007/snd-go7007.c +++ b/drivers/staging/go7007/snd-go7007.c @@ -44,8 +44,8 @@ module_param_array(index, int, NULL, 0444); module_param_array(id, charp, NULL, 0444); module_param_array(enable, bool, NULL, 0444); MODULE_PARM_DESC(index, "Index value for the go7007 audio driver"); -MODULE_PARM_DESC(index, "ID string for the go7007 audio driver"); -MODULE_PARM_DESC(index, "Enable for the go7007 audio driver"); +MODULE_PARM_DESC(id, "ID string for the go7007 audio driver"); +MODULE_PARM_DESC(enable, "Enable for the go7007 audio driver"); struct go7007_snd { struct snd_card *card; diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c index 815615a62306..f5f11e927af3 100644 --- a/drivers/staging/go7007/wis-ov7640.c +++ b/drivers/staging/go7007/wis-ov7640.c @@ -19,8 +19,7 @@ #include #include #include -#include -#include +#include #include "wis-i2c.h" diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c index 4b14ca88b1a9..c1aff1b923a0 100644 --- a/drivers/staging/go7007/wis-saa7113.c +++ b/drivers/staging/go7007/wis-saa7113.c @@ -19,8 +19,7 @@ #include #include #include -#include -#include +#include #include #include "wis-i2c.h" @@ -124,7 +123,7 @@ static int wis_saa7113_command(struct i2c_client *client, struct wis_saa7113 *dec = i2c_get_clientdata(client); switch (cmd) { - case DECODER_SET_INPUT: + case VIDIOC_S_INPUT: { int *input = arg; @@ -133,23 +132,19 @@ static int wis_saa7113_command(struct i2c_client *client, *input < 6 ? 0x40 : 0x80); break; } - case DECODER_SET_NORM: + case VIDIOC_S_STD: { - int *input = arg; + v4l2_std_id *input = arg; dec->norm = *input; - switch (dec->norm) { - case VIDEO_MODE_PAL: - write_reg(client, 0x0e, 0x01); - write_reg(client, 0x10, 0x48); - break; - case VIDEO_MODE_NTSC: + if (dec->norm & V4L2_STD_NTSC) { write_reg(client, 0x0e, 0x01); write_reg(client, 0x10, 0x40); - break; - case VIDEO_MODE_SECAM: + } else if (dec->norm & V4L2_STD_PAL) { + write_reg(client, 0x0e, 0x01); + write_reg(client, 0x10, 0x48); + } else if (dec->norm * V4L2_STD_SECAM) { write_reg(client, 0x0e, 0x50); write_reg(client, 0x10, 0x48); - break; } break; } @@ -295,7 +290,7 @@ static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind) kfree(client); return -ENOMEM; } - dec->norm = VIDEO_MODE_NTSC; + dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 71; dec->saturation = 64; diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c index bd40bf4be282..5c94c883b312 100644 --- a/drivers/staging/go7007/wis-saa7115.c +++ b/drivers/staging/go7007/wis-saa7115.c @@ -19,8 +19,7 @@ #include #include #include -#include -#include +#include #include #include "wis-i2c.h" @@ -204,7 +203,7 @@ static int wis_saa7115_command(struct i2c_client *client, struct wis_saa7115 *dec = i2c_get_clientdata(client); switch (cmd) { - case DECODER_SET_INPUT: + case VIDIOC_S_INPUT: { int *input = arg; @@ -222,7 +221,7 @@ static int wis_saa7115_command(struct i2c_client *client, int h_scaling_increment = (704 / h_integer_scaler) * 1024 / res->width; /* Fine-grained scaler only */ - int v_scaling_increment = (dec->norm == VIDEO_MODE_NTSC ? + int v_scaling_increment = (dec->norm & V4L2_STD_NTSC ? 240 : 288) * 1024 / res->height; u8 regs[] = { 0x88, 0xc0, @@ -262,20 +261,20 @@ static int wis_saa7115_command(struct i2c_client *client, write_regs(client, regs); break; } - case DECODER_SET_NORM: + case VIDIOC_S_STD: { - int *input = arg; + v4l2_std_id *input = arg; u8 regs[] = { 0x88, 0xc0, - 0x98, *input == VIDEO_MODE_NTSC ? 0x12 : 0x16, - 0x9a, *input == VIDEO_MODE_NTSC ? 0xf2 : 0x20, - 0x9b, *input == VIDEO_MODE_NTSC ? 0x00 : 0x01, - 0xc8, *input == VIDEO_MODE_NTSC ? 0x12 : 0x16, - 0xca, *input == VIDEO_MODE_NTSC ? 0xf2 : 0x20, - 0xcb, *input == VIDEO_MODE_NTSC ? 0x00 : 0x01, + 0x98, *input & V4L2_STD_NTSC ? 0x12 : 0x16, + 0x9a, *input & V4L2_STD_NTSC ? 0xf2 : 0x20, + 0x9b, *input & V4L2_STD_NTSC ? 0x00 : 0x01, + 0xc8, *input & V4L2_STD_NTSC ? 0x12 : 0x16, + 0xca, *input & V4L2_STD_NTSC ? 0xf2 : 0x20, + 0xcb, *input & V4L2_STD_NTSC ? 0x00 : 0x01, 0x88, 0xf0, - 0x30, *input == VIDEO_MODE_NTSC ? 0x66 : 0x00, - 0x31, *input == VIDEO_MODE_NTSC ? 0x90 : 0xe0, + 0x30, *input & V4L2_STD_NTSC ? 0x66 : 0x00, + 0x31, *input & V4L2_STD_NTSC ? 0x90 : 0xe0, 0, 0, }; write_regs(client, regs); @@ -424,7 +423,7 @@ static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind) kfree(client); return -ENOMEM; } - dec->norm = VIDEO_MODE_NTSC; + dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 64; dec->saturation = 64; diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c index 82e66d65f36c..5997fb479459 100644 --- a/drivers/staging/go7007/wis-sony-tuner.c +++ b/drivers/staging/go7007/wis-sony-tuner.c @@ -19,9 +19,10 @@ #include #include #include -#include +#include #include #include +#include #include "wis-i2c.h" diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c index 69ed7bf03227..27fe4d0d4ed6 100644 --- a/drivers/staging/go7007/wis-tw2804.c +++ b/drivers/staging/go7007/wis-tw2804.c @@ -19,8 +19,7 @@ #include #include #include -#include -#include +#include #include #include "wis-i2c.h" @@ -159,20 +158,20 @@ static int wis_tw2804_command(struct i2c_client *client, } switch (cmd) { - case DECODER_SET_NORM: + case VIDIOC_S_STD: { - int *input = arg; + v4l2_std_id *input = arg; u8 regs[] = { - 0x01, *input == VIDEO_MODE_NTSC ? 0xc4 : 0x84, - 0x09, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04, - 0x0a, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, - 0x0b, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04, - 0x0c, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, - 0x0d, *input == VIDEO_MODE_NTSC ? 0x40 : 0x4a, - 0x16, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40, - 0x17, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40, - 0x20, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f, - 0x21, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f, + 0x01, *input & V4L2_STD_NTSC ? 0xc4 : 0x84, + 0x09, *input & V4L2_STD_NTSC ? 0x07 : 0x04, + 0x0a, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, + 0x0b, *input & V4L2_STD_NTSC ? 0x07 : 0x04, + 0x0c, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, + 0x0d, *input & V4L2_STD_NTSC ? 0x40 : 0x4a, + 0x16, *input & V4L2_STD_NTSC ? 0x00 : 0x40, + 0x17, *input & V4L2_STD_NTSC ? 0x00 : 0x40, + 0x20, *input & V4L2_STD_NTSC ? 0x07 : 0x0f, + 0x21, *input & V4L2_STD_NTSC ? 0x07 : 0x0f, 0xff, 0xff, }; write_regs(client, regs, dec->channel); @@ -322,7 +321,7 @@ static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind) return -ENOMEM; } dec->channel = -1; - dec->norm = VIDEO_MODE_NTSC; + dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 128; dec->saturation = 128; diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c index 1cdf01a8b338..d8e41968022e 100644 --- a/drivers/staging/go7007/wis-tw9903.c +++ b/drivers/staging/go7007/wis-tw9903.c @@ -19,8 +19,7 @@ #include #include #include -#include -#include +#include #include #include "wis-i2c.h" @@ -106,7 +105,7 @@ static int wis_tw9903_command(struct i2c_client *client, struct wis_tw9903 *dec = i2c_get_clientdata(client); switch (cmd) { - case DECODER_SET_INPUT: + case VIDIOC_S_INPUT: { int *input = arg; @@ -119,7 +118,7 @@ static int wis_tw9903_command(struct i2c_client *client, struct video_decoder_resolution *res = arg; /*int hscale = 256 * 720 / res->width;*/ int hscale = 256 * 720 / (res->width - (res->width > 704 ? 0 : 8)); - int vscale = 256 * (dec->norm == VIDEO_MODE_NTSC ? 240 : 288) + int vscale = 256 * (dec->norm & V4L2_STD_NTSC ? 240 : 288) / res->height; u8 regs[] = { 0x0d, vscale & 0xff, @@ -134,14 +133,14 @@ static int wis_tw9903_command(struct i2c_client *client, break; } #endif - case DECODER_SET_NORM: + case VIDIOC_S_STD: { - int *input = arg; + v4l2_std_id *input = arg; u8 regs[] = { - 0x05, *input == VIDEO_MODE_NTSC ? 0x80 : 0x00, - 0x07, *input == VIDEO_MODE_NTSC ? 0x02 : 0x12, - 0x08, *input == VIDEO_MODE_NTSC ? 0x14 : 0x18, - 0x09, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20, + 0x05, *input & V4L2_STD_NTSC ? 0x80 : 0x00, + 0x07, *input & V4L2_STD_NTSC ? 0x02 : 0x12, + 0x08, *input & V4L2_STD_NTSC ? 0x14 : 0x18, + 0x09, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, 0, 0, }; write_regs(client, regs); @@ -297,7 +296,7 @@ static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind) kfree(client); return -ENOMEM; } - dec->norm = VIDEO_MODE_NTSC; + dec->norm = V4L2_STD_NTSC; dec->brightness = 0; dec->contrast = 0x60; dec->hue = 0; diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c index 28c10bf3a47b..a0894e3cb8c7 100644 --- a/drivers/staging/go7007/wis-uda1342.c +++ b/drivers/staging/go7007/wis-uda1342.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include -- GitLab From e9eff9d6a0d14fa2e85953ce4115d243ff575e78 Mon Sep 17 00:00:00 2001 From: Lior Dotan Date: Sat, 4 Oct 2008 07:10:28 +0300 Subject: [PATCH 3644/6244] Staging: SLICOSS: lots of checkpatch fixes Major cleanups of checkpatch warnings from the slicoss driver. From: Lior Dotan Signed-off-by: Greg Kroah-Hartman --- drivers/staging/slicoss/gbdownload.h | 10 +- drivers/staging/slicoss/gbrcvucode.h | 7 +- drivers/staging/slicoss/oasisdbgdownload.h | 10 +- drivers/staging/slicoss/oasisdownload.h | 10 +- drivers/staging/slicoss/oasisrcvucode.h | 6 +- drivers/staging/slicoss/slic.h | 485 ++++--- drivers/staging/slicoss/slic_os.h | 85 +- drivers/staging/slicoss/slicbuild.h | 1 - drivers/staging/slicoss/slicdbg.h | 3 +- drivers/staging/slicoss/slicdump.h | 89 +- drivers/staging/slicoss/slichw.h | 653 +++++----- drivers/staging/slicoss/slicinc.h | 262 ++-- drivers/staging/slicoss/slicoss.c | 1351 +++++++++----------- 13 files changed, 1353 insertions(+), 1619 deletions(-) diff --git a/drivers/staging/slicoss/gbdownload.h b/drivers/staging/slicoss/gbdownload.h index 0350fb96c23f..794432bd1d77 100644 --- a/drivers/staging/slicoss/gbdownload.h +++ b/drivers/staging/slicoss/gbdownload.h @@ -1,14 +1,14 @@ -#define MOJAVE_UCODE_VERS_STRING "$Revision: 1.2 $" -#define MOJAVE_UCODE_VERS_DATE "$Date: 2006/03/27 15:12:22 $" +#define MOJAVE_UCODE_VERS_STRING "1.2" +#define MOJAVE_UCODE_VERS_DATE "2006/03/27 15:12:22" #define MOJAVE_UCODE_HOSTIF_ID 3 -static LONG MNumSections = 0x2; -static ULONG MSectionSize[] = +static s32 MNumSections = 0x2; +static u32 MSectionSize[] = { 0x00008000, 0x00010000, }; -static ULONG MSectionStart[] = +static u32 MSectionStart[] = { 0x00000000, 0x00008000, }; diff --git a/drivers/staging/slicoss/gbrcvucode.h b/drivers/staging/slicoss/gbrcvucode.h index dc008349ddd1..4fa5a4c23e57 100644 --- a/drivers/staging/slicoss/gbrcvucode.h +++ b/drivers/staging/slicoss/gbrcvucode.h @@ -1,7 +1,6 @@ /* * Copyright (c) 1997-2002 Alacritech, Inc. All rights reserved * - * $Id: gbrcvucode.h,v 1.2 2006/03/27 15:12:15 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -32,10 +31,10 @@ * official policies, either expressed or implied, of Alacritech, Inc. * **************************************************************************/ -#define GB_RCVUCODE_VERS_STRING "$Revision: 1.2 $" -#define GB_RCVUCODE_VERS_DATE "$Date: 2006/03/27 15:12:15 $" +#define GB_RCVUCODE_VERS_STRING "1.2" +#define GB_RCVUCODE_VERS_DATE "2006/03/27 15:12:15" -static ULONG GBRcvUCodeLen = 512; +static u32 GBRcvUCodeLen = 512; static u8 GBRcvUCode[2560] = { diff --git a/drivers/staging/slicoss/oasisdbgdownload.h b/drivers/staging/slicoss/oasisdbgdownload.h index cae5d55d2856..519e00797d44 100644 --- a/drivers/staging/slicoss/oasisdbgdownload.h +++ b/drivers/staging/slicoss/oasisdbgdownload.h @@ -1,14 +1,14 @@ -#define OASIS_UCODE_VERS_STRING "$Revision: 1.2 $" -#define OASIS_UCODE_VERS_DATE "$Date: 2006/03/27 15:11:22 $" +#define OASIS_UCODE_VERS_STRING "1.2" +#define OASIS_UCODE_VERS_DATE "2006/03/27 15:11:22" #define OASIS_UCODE_HOSTIF_ID 3 -static LONG ONumSections = 0x2; -static ULONG OSectionSize[] = +static s32 ONumSections = 0x2; +static u32 OSectionSize[] = { 0x00004000, 0x00010000, }; -static ULONG OSectionStart[] = +static u32 OSectionStart[] = { 0x00000000, 0x00008000, }; diff --git a/drivers/staging/slicoss/oasisdownload.h b/drivers/staging/slicoss/oasisdownload.h index 89a440c4c3a7..6438c23d7548 100644 --- a/drivers/staging/slicoss/oasisdownload.h +++ b/drivers/staging/slicoss/oasisdownload.h @@ -1,13 +1,13 @@ -#define OASIS_UCODE_VERS_STRING "$Revision: 1.2 $" -#define OASIS_UCODE_VERS_DATE "$Date: 2006/03/27 15:10:37 $" +#define OASIS_UCODE_VERS_STRING "1.2" +#define OASIS_UCODE_VERS_DATE "2006/03/27 15:10:37" #define OASIS_UCODE_HOSTIF_ID 3 -static LONG ONumSections = 0x2; -static ULONG OSectionSize[] = { +static s32 ONumSections = 0x2; +static u32 OSectionSize[] = { 0x00004000, 0x00010000, }; -static ULONG OSectionStart[] = { +static u32 OSectionStart[] = { 0x00000000, 0x00008000, }; diff --git a/drivers/staging/slicoss/oasisrcvucode.h b/drivers/staging/slicoss/oasisrcvucode.h index ef9163245b88..5b3531f04cb9 100644 --- a/drivers/staging/slicoss/oasisrcvucode.h +++ b/drivers/staging/slicoss/oasisrcvucode.h @@ -1,7 +1,7 @@ -#define OASIS_RCVUCODE_VERS_STRING "$Revision: 1.2 $" -#define OASIS_RCVUCODE_VERS_DATE "$Date: 2006/03/27 15:10:28 $" +#define OASIS_RCVUCODE_VERS_STRING "1.2" +#define OASIS_RCVUCODE_VERS_DATE "2006/03/27 15:10:28" -static ULONG OasisRcvUCodeLen = 512; +static u32 OasisRcvUCodeLen = 512; static u8 OasisRcvUCode[2560] = { diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h index 9707e5a7023a..0d5dc24c0b7d 100644 --- a/drivers/staging/slicoss/slic.h +++ b/drivers/staging/slicoss/slic.h @@ -2,7 +2,6 @@ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slic.h,v 1.3 2006/07/14 16:43:02 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -51,14 +50,14 @@ struct slic_spinlock { #define SLIC_RSPQ_PAGES_GB 10 #define SLIC_RSPQ_BUFSINPAGE (PAGE_SIZE / SLIC_RSPBUF_SIZE) -typedef struct _slic_rspqueue_t { - ulong32 offset; - ulong32 pageindex; - ulong32 num_pages; - p_slic_rspbuf_t rspbuf; - pulong32 vaddr[SLIC_RSPQ_PAGES_GB]; +struct slic_rspqueue { + u32 offset; + u32 pageindex; + u32 num_pages; + struct slic_rspbuf *rspbuf; + u32 *vaddr[SLIC_RSPQ_PAGES_GB]; dma_addr_t paddr[SLIC_RSPQ_PAGES_GB]; -} slic_rspqueue_t, *p_slic_rspqueue_t; +}; #define SLIC_RCVQ_EXPANSION 1 #define SLIC_RCVQ_ENTRIES (256 * SLIC_RCVQ_EXPANSION) @@ -68,45 +67,45 @@ typedef struct _slic_rspqueue_t { #define SLIC_RCVQ_FILLENTRIES (16 * SLIC_RCVQ_EXPANSION) #define SLIC_RCVQ_FILLTHRESH (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES) -typedef struct _slic_rcvqueue_t { +struct slic_rcvqueue { struct sk_buff *head; struct sk_buff *tail; - ulong32 count; - ulong32 size; - ulong32 errors; -} slic_rcvqueue_t, *p_slic_rcvqueue_t; - -typedef struct _slic_rcvbuf_info_t { - ulong32 id; - ulong32 starttime; - ulong32 stoptime; - ulong32 slicworld; - ulong32 lasttime; - ulong32 lastid; -} slic_rcvbuf_info_t, *pslic_rcvbuf_info_t; + u32 count; + u32 size; + u32 errors; +}; + +struct slic_rcvbuf_info { + u32 id; + u32 starttime; + u32 stoptime; + u32 slicworld; + u32 lasttime; + u32 lastid; +}; /* SLIC Handle structure. Used to restrict handle values to 32 bits by using an index rather than an address. Simplifies ucode in 64-bit systems */ -typedef struct _slic_handle_word_t { +struct slic_handle_word { union { struct { ushort index; ushort bottombits; /* to denote num bufs to card */ } parts; - ulong32 whole; + u32 whole; } handle; -} slic_handle_word_t, *pslic_handle_word_t; +}; -typedef struct _slic_handle_t { - slic_handle_word_t token; /* token passed between host and card*/ +struct slic_handle { + struct slic_handle_word token; /* token passed between host and card*/ ushort type; - pvoid address; /* actual address of the object*/ + void *address; /* actual address of the object*/ ushort offset; - struct _slic_handle_t *other_handle; - struct _slic_handle_t *next; -} slic_handle_t, *pslic_handle_t; + struct slic_handle *other_handle; + struct slic_handle *next; +}; #define SLIC_HANDLE_FREE 0x0000 #define SLIC_HANDLE_DATA 0x0001 @@ -120,19 +119,19 @@ typedef struct _slic_handle_t { #define SLIC_HOSTCMD_SIZE 512 -typedef struct _slic_hostcmd_t { - slic_host64_cmd_t cmd64; - ulong32 type; +struct slic_hostcmd { + struct slic_host64_cmd cmd64; + u32 type; struct sk_buff *skb; - ulong32 paddrl; - ulong32 paddrh; - ulong32 busy; - ulong32 cmdsize; + u32 paddrl; + u32 paddrh; + u32 busy; + u32 cmdsize; ushort numbufs; - pslic_handle_t pslic_handle;/* handle associated with command */ - struct _slic_hostcmd_t *next; - struct _slic_hostcmd_t *next_all; -} slic_hostcmd_t, *p_slic_hostcmd_t; + struct slic_handle *pslic_handle;/* handle associated with command */ + struct slic_hostcmd *next; + struct slic_hostcmd *next_all; +}; #define SLIC_CMDQ_CMDSINPAGE (PAGE_SIZE / SLIC_HOSTCMD_SIZE) #define SLIC_CMD_DUMB 3 @@ -142,18 +141,18 @@ typedef struct _slic_hostcmd_t { #define SLIC_CMDQ_MAXPAGES (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE) #define SLIC_CMDQ_INITPAGES (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE) -typedef struct _slic_cmdqmem_t { - int pagecnt; - pulong32 pages[SLIC_CMDQ_MAXPAGES]; - dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES]; -} slic_cmdqmem_t, *p_slic_cmdqmem_t; +struct slic_cmdqmem { + int pagecnt; + u32 *pages[SLIC_CMDQ_MAXPAGES]; + dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES]; +}; -typedef struct _slic_cmdqueue_t { - p_slic_hostcmd_t head; - p_slic_hostcmd_t tail; - int count; - struct slic_spinlock lock; -} slic_cmdqueue_t, *p_slic_cmdqueue_t; +struct slic_cmdqueue { + struct slic_hostcmd *head; + struct slic_hostcmd *tail; + int count; + struct slic_spinlock lock; +}; #ifdef STATUS_SUCCESS #undef STATUS_SUCCESS @@ -181,10 +180,10 @@ just set this at 15K, shouldnt make that much of a diff. #endif -typedef struct _mcast_address_t { - uchar address[6]; - struct _mcast_address_t *next; -} mcast_address_t, *p_mcast_address_t; +struct mcast_address { + unsigned char address[6]; + struct mcast_address *next; +}; #define CARD_DOWN 0x00000000 #define CARD_UP 0x00000001 @@ -236,38 +235,37 @@ typedef struct _mcast_address_t { #define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down") #define SLIC_CARD_STATE(x) ((x == CARD_UP) ? "UP" : "Down") -typedef struct _slic_iface_stats { +struct slic_iface_stats { /* * Stats */ - ulong64 xmt_bytes; - ulong64 xmt_ucast; - ulong64 xmt_mcast; - ulong64 xmt_bcast; - ulong64 xmt_errors; - ulong64 xmt_discards; - ulong64 xmit_collisions; - ulong64 xmit_excess_xmit_collisions; - ulong64 rcv_bytes; - ulong64 rcv_ucast; - ulong64 rcv_mcast; - ulong64 rcv_bcast; - ulong64 rcv_errors; - ulong64 rcv_discards; -} slic_iface_stats_t, *p_slic_iface_stats_t; - -typedef struct _slic_tcp_stats { - ulong64 xmit_tcp_segs; - ulong64 xmit_tcp_bytes; - ulong64 rcv_tcp_segs; - ulong64 rcv_tcp_bytes; -} slic_tcp_stats_t, *p_slic_tcp_stats_t; - -typedef struct _slicnet_stats { - slic_tcp_stats_t tcp; - slic_iface_stats_t iface; - -} slicnet_stats_t, *p_slicnet_stats_t; + u64 xmt_bytes; + u64 xmt_ucast; + u64 xmt_mcast; + u64 xmt_bcast; + u64 xmt_errors; + u64 xmt_discards; + u64 xmit_collisions; + u64 xmit_excess_xmit_collisions; + u64 rcv_bytes; + u64 rcv_ucast; + u64 rcv_mcast; + u64 rcv_bcast; + u64 rcv_errors; + u64 rcv_discards; +}; + +struct sliccp_stats { + u64 xmit_tcp_segs; + u64 xmit_tcp_bytes; + u64 rcv_tcp_segs; + u64 rcv_tcp_bytes; +}; + +struct slicnet_stats { + struct sliccp_stats tcp; + struct slic_iface_stats iface; +}; #define SLIC_LOADTIMER_PERIOD 1 #define SLIC_INTAGG_DEFAULT 200 @@ -294,13 +292,13 @@ typedef struct _slicnet_stats { #define SLIC_INTAGG_4GB 100 #define SLIC_INTAGG_5GB 100 -typedef struct _ether_header { - uchar ether_dhost[6]; - uchar ether_shost[6]; +struct ether_header { + unsigned char ether_dhost[6]; + unsigned char ether_shost[6]; ushort ether_type; -} ether_header, *p_ether_header; +}; -typedef struct _sliccard_t { +struct sliccard { uint busnumber; uint slotnumber; uint state; @@ -310,114 +308,111 @@ typedef struct _sliccard_t { uint adapters_allocated; uint adapters_sleeping; uint gennumber; - ulong32 events; - ulong32 loadlevel_current; - ulong32 load; + u32 events; + u32 loadlevel_current; + u32 load; uint reset_in_progress; - ulong32 pingstatus; - ulong32 bad_pingstatus; + u32 pingstatus; + u32 bad_pingstatus; struct timer_list loadtimer; - ulong32 loadtimerset; + u32 loadtimerset; uint config_set; - slic_config_t config; + struct slic_config config; struct dentry *debugfs_dir; struct dentry *debugfs_cardinfo; - struct _adapter_t *master; - struct _adapter_t *adapter[SLIC_MAX_PORTS]; - struct _sliccard_t *next; - ulong32 error_interrupts; - ulong32 error_rmiss_interrupts; - ulong32 rcv_interrupts; - ulong32 xmit_interrupts; - ulong32 num_isrs; - ulong32 false_interrupts; - ulong32 max_isr_rcvs; - ulong32 max_isr_xmits; - ulong32 rcv_interrupt_yields; - ulong32 tx_packets; + struct adapter *master; + struct adapter *adapter[SLIC_MAX_PORTS]; + struct sliccard *next; + u32 error_interrupts; + u32 error_rmiss_interrupts; + u32 rcv_interrupts; + u32 xmit_interrupts; + u32 num_isrs; + u32 false_interrupts; + u32 max_isr_rcvs; + u32 max_isr_xmits; + u32 rcv_interrupt_yields; + u32 tx_packets; #if SLIC_DUMP_ENABLED - ulong32 dumpstatus; /* Result of dump UPR */ - pvoid cmdbuffer; + u32 dumpstatus; /* Result of dump UPR */ + void *cmdbuffer; ulong cmdbuffer_phys; - ulong32 cmdbuffer_physl; - ulong32 cmdbuffer_physh; + u32 cmdbuffer_physl; + u32 cmdbuffer_physh; - ulong32 dump_count; + u32 dump_count; struct task_struct *dump_task_id; - ulong32 dump_wait_count; + u32 dump_wait_count; uint dumpthread_running; /* has a dump thread been init'd */ uint dump_requested; /* 0 no, 1 = reqstd 2=curr 3=done */ - ulong32 dumptime_start; - ulong32 dumptime_complete; - ulong32 dumptime_delta; - pvoid dumpbuffer; + u32 dumptime_start; + u32 dumptime_complete; + u32 dumptime_delta; + void *dumpbuffer; ulong dumpbuffer_phys; - ulong32 dumpbuffer_physl; - ulong32 dumpbuffer_physh; + u32 dumpbuffer_physl; + u32 dumpbuffer_physh; wait_queue_head_t dump_wq; struct file *dumphandle; mm_segment_t dumpfile_fs; #endif - ulong32 debug_ix; + u32 debug_ix; ushort reg_type[32]; ushort reg_offset[32]; - ulong32 reg_value[32]; - ulong32 reg_valueh[32]; -} sliccard_t, *p_sliccard_t; + u32 reg_value[32]; + u32 reg_valueh[32]; +}; #define NUM_CFG_SPACES 2 #define NUM_CFG_REGS 64 -#define NUM_CFG_REG_ULONGS (NUM_CFG_REGS / sizeof(ulong32)) +#define NUM_CFG_REG_ULONGS (NUM_CFG_REGS / sizeof(u32)) -typedef struct _physcard_t { - struct _adapter_t *adapter[SLIC_MAX_PORTS]; - struct _physcard_t *next; +struct physcard { + struct adapter *adapter[SLIC_MAX_PORTS]; + struct physcard *next; uint adapters_allocd; /* the following is not currently needed - ulong32 bridge_busnum; - ulong32 bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS]; + u32 bridge_busnum; + u32 bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS]; */ -} physcard_t, *p_physcard_t; +}; -typedef struct _base_driver { +struct base_driver { struct slic_spinlock driver_lock; - ulong32 num_slic_cards; - ulong32 num_slic_ports; - ulong32 num_slic_ports_active; - ulong32 dynamic_intagg; - p_sliccard_t slic_card; - p_physcard_t phys_card; + u32 num_slic_cards; + u32 num_slic_ports; + u32 num_slic_ports_active; + u32 dynamic_intagg; + struct sliccard *slic_card; + struct physcard *phys_card; uint cardnuminuse[SLIC_MAX_CARDS]; -} base_driver_t, *p_base_driver_t; - -extern base_driver_t slic_global; - -typedef struct _slic_shmem_t { - volatile ulong32 isr; - volatile ulong32 linkstatus; - volatile slic_stats_t inicstats; -} slic_shmem_t, *p_slic_shmem_t; - -typedef struct _slic_reg_params_t { - ulong32 linkspeed; - ulong32 linkduplex; - ulong32 fail_on_bad_eeprom; -} slic_reg_params_t, *p_reg_params_t; - -typedef struct _slic_upr_t { - uint adapter; - ulong32 upr_request; - ulong32 upr_data; - ulong32 upr_data_h; - ulong32 upr_buffer; - ulong32 upr_buffer_h; - struct _slic_upr_t *next; - -} slic_upr_t, *p_slic_upr_t; - -typedef struct _slic_ifevents_ti { +}; + +struct slic_shmem { + volatile u32 isr; + volatile u32 linkstatus; + volatile struct slic_stats inicstats; +}; + +struct slic_reg_params { + u32 linkspeed; + u32 linkduplex; + u32 fail_on_bad_eeprom; +}; + +struct slic_upr { + uint adapter; + u32 upr_request; + u32 upr_data; + u32 upr_data_h; + u32 upr_buffer; + u32 upr_buffer_h; + struct slic_upr *next; +}; + +struct slic_ifevents { uint oflow802; uint uflow802; uint Tprtoflow; @@ -434,19 +429,19 @@ typedef struct _slic_ifevents_ti { uint IpCsum; uint TpCsum; uint TpHlen; -} slic_ifevents_t; +}; -typedef struct _adapter_t { - pvoid ifp; - p_sliccard_t card; +struct adapter { + void *ifp; + struct sliccard *card; uint port; - p_physcard_t physcard; + struct physcard *physcard; uint physport; uint cardindex; uint card_size; uint chipid; - struct net_device *netdev; - struct net_device *next_netdevice; + struct net_device *netdev; + struct net_device *next_netdevice; struct slic_spinlock adapter_lock; struct slic_spinlock reset_lock; struct pci_dev *pcidev; @@ -456,90 +451,90 @@ typedef struct _adapter_t { ushort vendid; ushort devid; ushort subsysid; - ulong32 irq; + u32 irq; void __iomem *memorybase; - ulong32 memorylength; - ulong32 drambase; - ulong32 dramlength; + u32 memorylength; + u32 drambase; + u32 dramlength; uint queues_initialized; uint allocated; uint activated; - ulong32 intrregistered; + u32 intrregistered; uint isp_initialized; uint gennumber; - ulong32 curaddrupper; - p_slic_shmem_t pshmem; + u32 curaddrupper; + struct slic_shmem *pshmem; dma_addr_t phys_shmem; - ulong32 isrcopy; - p_slic_regs_t slic_regs; - uchar state; - uchar linkstate; - uchar linkspeed; - uchar linkduplex; + u32 isrcopy; + __iomem struct slic_regs *slic_regs; + unsigned char state; + unsigned char linkstate; + unsigned char linkspeed; + unsigned char linkduplex; uint flags; - uchar macaddr[6]; - uchar currmacaddr[6]; - ulong32 macopts; + unsigned char macaddr[6]; + unsigned char currmacaddr[6]; + u32 macopts; ushort devflags_prev; - ulong64 mcastmask; - p_mcast_address_t mcastaddrs; - p_slic_upr_t upr_list; + u64 mcastmask; + struct mcast_address *mcastaddrs; + struct slic_upr *upr_list; uint upr_busy; struct timer_list pingtimer; - ulong32 pingtimerset; + u32 pingtimerset; struct timer_list statstimer; - ulong32 statstimerset; + u32 statstimerset; struct timer_list loadtimer; - ulong32 loadtimerset; + u32 loadtimerset; struct dentry *debugfs_entry; struct slic_spinlock upr_lock; struct slic_spinlock bit64reglock; - slic_rspqueue_t rspqueue; - slic_rcvqueue_t rcvqueue; - slic_cmdqueue_t cmdq_free; - slic_cmdqueue_t cmdq_done; - slic_cmdqueue_t cmdq_all; - slic_cmdqmem_t cmdqmem; + struct slic_rspqueue rspqueue; + struct slic_rcvqueue rcvqueue; + struct slic_cmdqueue cmdq_free; + struct slic_cmdqueue cmdq_done; + struct slic_cmdqueue cmdq_all; + struct slic_cmdqmem cmdqmem; /* * SLIC Handles */ - slic_handle_t slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/ - pslic_handle_t pfree_slic_handles; /* Free object handles*/ + struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/ + struct slic_handle *pfree_slic_handles; /* Free object handles*/ struct slic_spinlock handle_lock; /* Object handle list lock*/ ushort slic_handle_ix; - ulong32 xmitq_full; - ulong32 all_reg_writes; - ulong32 icr_reg_writes; - ulong32 isr_reg_writes; - ulong32 error_interrupts; - ulong32 error_rmiss_interrupts; - ulong32 rx_errors; - ulong32 rcv_drops; - ulong32 rcv_interrupts; - ulong32 xmit_interrupts; - ulong32 linkevent_interrupts; - ulong32 upr_interrupts; - ulong32 num_isrs; - ulong32 false_interrupts; - ulong32 tx_packets; - ulong32 xmit_completes; - ulong32 tx_drops; - ulong32 rcv_broadcasts; - ulong32 rcv_multicasts; - ulong32 rcv_unicasts; - ulong32 max_isr_rcvs; - ulong32 max_isr_xmits; - ulong32 rcv_interrupt_yields; - ulong32 intagg_period; - p_inicpm_state_t inicpm_info; - pvoid pinicpm_info; - slic_reg_params_t reg_params; - slic_ifevents_t if_events; - slic_stats_t inicstats_prev; - slicnet_stats_t slic_stats; + u32 xmitq_full; + u32 all_reg_writes; + u32 icr_reg_writes; + u32 isr_reg_writes; + u32 error_interrupts; + u32 error_rmiss_interrupts; + u32 rx_errors; + u32 rcv_drops; + u32 rcv_interrupts; + u32 xmit_interrupts; + u32 linkevent_interrupts; + u32 upr_interrupts; + u32 num_isrs; + u32 false_interrupts; + u32 tx_packets; + u32 xmit_completes; + u32 tx_drops; + u32 rcv_broadcasts; + u32 rcv_multicasts; + u32 rcv_unicasts; + u32 max_isr_rcvs; + u32 max_isr_xmits; + u32 rcv_interrupt_yields; + u32 intagg_period; + struct inicpm_state *inicpm_info; + void *pinicpm_info; + struct slic_reg_params reg_params; + struct slic_ifevents if_events; + struct slic_stats inicstats_prev; + struct slicnet_stats slic_stats; struct net_device_stats stats; -} adapter_t, *p_adapter_t; +}; #if SLIC_DUMP_ENABLED #define SLIC_DUMP_REQUESTED 1 @@ -552,10 +547,10 @@ typedef struct _adapter_t { * structure is written out to the card's SRAM when the microcode panic's. * ****************************************************************************/ -typedef struct _slic_crash_info { +struct slic_crash_info { ushort cpu_id; ushort crash_pc; -} slic_crash_info, *p_slic_crash_info; +}; #define CRASH_INFO_OFFSET 0x155C @@ -577,20 +572,20 @@ typedef struct _slic_crash_info { #define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result) \ { \ _Result = TRUE; \ - if (*(pulong32)(_AddrA) != *(pulong32)(_AddrB)) \ + if (*(u32 *)(_AddrA) != *(u32 *)(_AddrB)) \ _Result = FALSE; \ - if (*(pushort)(&((_AddrA)[4])) != *(pushort)(&((_AddrB)[4]))) \ + if (*(u16 *)(&((_AddrA)[4])) != *(u16 *)(&((_AddrB)[4]))) \ _Result = FALSE; \ } #if defined(CONFIG_X86_64) || defined(CONFIG_IA64) -#define SLIC_GET_ADDR_LOW(_addr) (ulong32)((ulong64)(_addr) & \ +#define SLIC_GET_ADDR_LOW(_addr) (u32)((u64)(_addr) & \ 0x00000000FFFFFFFF) -#define SLIC_GET_ADDR_HIGH(_addr) (ulong32)(((ulong64)(_addr) >> 32) & \ +#define SLIC_GET_ADDR_HIGH(_addr) (u32)(((u64)(_addr) >> 32) & \ 0x00000000FFFFFFFF) #else -#define SLIC_GET_ADDR_LOW(_addr) (ulong32)_addr -#define SLIC_GET_ADDR_HIGH(_addr) (ulong32)0 +#define SLIC_GET_ADDR_LOW(_addr) (u32)_addr +#define SLIC_GET_ADDR_HIGH(_addr) (u32)0 #endif #define FLUSH TRUE diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h index 2064673f9149..b0d2883034ce 100644 --- a/drivers/staging/slicoss/slic_os.h +++ b/drivers/staging/slicoss/slic_os.h @@ -2,7 +2,6 @@ * * Copyright (c)2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slic_os.h,v 1.2 2006/03/27 15:10:15 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -43,87 +42,9 @@ #ifndef _SLIC_OS_SPECIFIC_H_ #define _SLIC_OS_SPECIFIC_H_ -typedef unsigned char uchar; -typedef u64 ulong64; -typedef char *pchar; -typedef unsigned char *puchar; -typedef u16 *pushort; -typedef u32 ulong32; -typedef u32 *pulong32; -typedef int *plong32; -typedef unsigned int *puint; -typedef void *pvoid; -typedef unsigned long *pulong; -typedef unsigned int boolean; -typedef unsigned int wchar; -typedef unsigned int *pwchar; -typedef unsigned char UCHAR; -typedef u32 ULONG; -typedef s32 LONG; #define FALSE (0) #define TRUE (1) -#define SLIC_INIT_SPINLOCK(x) \ - { \ - spin_lock_init(&((x).lock)); \ - } -#define SLIC_ACQUIRE_SPINLOCK(x) \ - { \ - spin_lock(&((x).lock)); \ - } - -#define SLIC_RELEASE_SPINLOCK(x) \ - { \ - spin_unlock(&((x).lock)); \ - } - -#define SLIC_ACQUIRE_IRQ_SPINLOCK(x) \ - { \ - spin_lock_irqsave(&((x).lock), (x).flags); \ - } - -#define SLIC_RELEASE_IRQ_SPINLOCK(x) \ - { \ - spin_unlock_irqrestore(&((x).lock), (x).flags); \ - } - -#define ATK_DEBUG 1 - -#if ATK_DEBUG -#define SLIC_TIMESTAMP(value) { \ - struct timeval timev; \ - do_gettimeofday(&timev); \ - value = timev.tv_sec*1000000 + timev.tv_usec; \ -} -#else -#define SLIC_TIMESTAMP(value) -#endif - -#define SLIC_ALLOCATE_MEM(len, flag) kmalloc(len, flag) -#define SLIC_DEALLOCATE_MEM(mem) kfree(mem) -#define SLIC_DEALLOCATE_IRQ_MEM(mem) free(mem) -#define SLIC_ALLOCATE_PAGE(x) (pulong32)get_free_page(GFP_KERNEL) -#define SLIC_DEALLOCATE_PAGE(addr) free_page((ulong32)addr) -#define SLIC_ALLOCATE_PCIMEM(a, sz, physp) \ - pci_alloc_consistent((a)->pcidev, (sz), &(physp)) -#define SLIC_DEALLOCATE_PCIMEM(a, sz, vp, pp) \ - pci_free_consistent((a)->pcidev, (sz), (vp), (pp)) -#define SLIC_GET_PHYSICAL_ADDRESS(addr) virt_to_bus((addr)) -#define SLIC_GET_PHYSICAL_ADDRESS_HIGH(addr) 0 - -#define SLIC_GET_DMA_ADDRESS_WRITE(a, ptr, sz) \ - pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_TODEVICE) -#define SLIC_GET_DMA_ADDRESS_READ(a, ptr, sz) \ - pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_FROMDEVICE) -#define SLIC_UNGET_DMA_ADDRESS_WRITE(a, pa, sz) \ - pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_TODEVICE) -#define SLIC_UNGET_DMA_ADDRESS_READ(a, pa, sz) \ - pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_FROMDEVICE) - -#define SLIC_ZERO_MEMORY(p, sz) memset((p), 0, (sz)) -#define SLIC_EQUAL_MEMORY(src1, src2, len) (!memcmp(src1, src2, len)) -#define SLIC_MOVE_MEMORY(dst, src, len) memcpy((dst), (src), (len)) - #define SLIC_SECS_TO_JIFFS(x) ((x) * HZ) #define SLIC_MS_TO_JIFFIES(x) (SLIC_SECS_TO_JIFFS((x)) / 1000) @@ -132,7 +53,7 @@ typedef s32 LONG; { \ adapter->card->reg_type[adapter->card->debug_ix] = 0; \ adapter->card->reg_offset[adapter->card->debug_ix] = \ - ((puchar)(®)) - ((puchar)adapter->slic_regs); \ + ((unsigned char *)(®)) - ((unsigned char *)adapter->slic_regs); \ adapter->card->reg_value[adapter->card->debug_ix++] = value; \ if (adapter->card->debug_ix == 32) \ adapter->card->debug_ix = 0; \ @@ -142,7 +63,7 @@ typedef s32 LONG; { \ adapter->card->reg_type[adapter->card->debug_ix] = 1; \ adapter->card->reg_offset[adapter->card->debug_ix] = \ - ((puchar)(®)) - ((puchar)adapter->slic_regs); \ + ((unsigned char *)(®)) - ((unsigned char *)adapter->slic_regs); \ adapter->card->reg_value[adapter->card->debug_ix] = value; \ adapter->card->reg_valueh[adapter->card->debug_ix++] = valh; \ if (adapter->card->debug_ix == 32) \ @@ -156,8 +77,6 @@ typedef s32 LONG; #define WRITE_REG64(a, reg, value, regh, valh, flush) \ slic_reg64_write((a), (®), (value), (®h), (valh), (flush)) #endif -#define READ_REG(reg, flush) slic_reg32_read((®), (flush)) -#define READ_REGP16(reg, flush) slic_reg16_read((®), (flush)) #endif /* _SLIC_OS_SPECIFIC_H_ */ diff --git a/drivers/staging/slicoss/slicbuild.h b/drivers/staging/slicoss/slicbuild.h index ddf16650ad8d..ae05e043d07e 100644 --- a/drivers/staging/slicoss/slicbuild.h +++ b/drivers/staging/slicoss/slicbuild.h @@ -2,7 +2,6 @@ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slicbuild.h,v 1.2 2006/03/27 15:10:10 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/drivers/staging/slicoss/slicdbg.h b/drivers/staging/slicoss/slicdbg.h index c1be56f96279..c54e44fb1f63 100644 --- a/drivers/staging/slicoss/slicdbg.h +++ b/drivers/staging/slicoss/slicdbg.h @@ -2,7 +2,6 @@ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slicdbg.h,v 1.2 2006/03/27 15:10:04 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -66,7 +65,7 @@ #ifdef CONFIG_X86_64 #define VALID_ADDRESS(p) (1) #else -#define VALID_ADDRESS(p) (((ulong32)(p) & 0x80000000) || ((ulong32)(p) == 0)) +#define VALID_ADDRESS(p) (((u32)(p) & 0x80000000) || ((u32)(p) == 0)) #endif #ifndef ASSERT #define ASSERT(a) \ diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h index 3c46094eff5e..ca0a2216f707 100644 --- a/drivers/staging/slicoss/slicdump.h +++ b/drivers/staging/slicoss/slicdump.h @@ -1,5 +1,4 @@ /* - * $Id: slicdump.h,v 1.2 2006/03/27 15:09:57 mook Exp $ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * @@ -148,32 +147,32 @@ /* * Break and Reset Break command structure */ -typedef struct _BREAK { - uchar command; /* Command word defined above */ - uchar resvd; +struct BREAK { + unsigned char command; /* Command word defined above */ + unsigned char resvd; ushort count; /* Number of executions before break */ - ulong32 addr; /* Address of break point */ -} BREAK, *PBREAK; + u32 addr; /* Address of break point */ +}; /* * Dump and Load command structure */ -typedef struct _dump_cmd { - uchar cmd; /* Command word defined above */ - uchar desc; /* Descriptor values - defined below */ +struct dump_cmd { + unsigned char cmd; /* Command word defined above */ + unsigned char desc; /* Descriptor values - defined below */ ushort count; /* number of 4 byte words to be transferred */ - ulong32 addr; /* start address of dump or load */ -} dump_cmd_t, *pdump_cmd_t; + u32 addr; /* start address of dump or load */ +}; /* * Receive or Transmit a frame. */ -typedef struct _RCV_OR_XMT_FRAME { - uchar command; /* Command word defined above */ - uchar MacId; /* Mac ID of interface - transmit only */ +struct RCV_OR_XMT_FRAME { + unsigned char command; /* Command word defined above */ + unsigned char MacId; /* Mac ID of interface - transmit only */ ushort count; /* Length of frame in bytes */ - ulong32 pad; /* not used */ -} RCV_OR_XMT_FRAME, *PRCV_OR_XMT_FRAME; + u32 pad; /* not used */ +}; /* * Values of desc field in DUMP_OR_LOAD structure @@ -196,12 +195,12 @@ typedef struct _RCV_OR_XMT_FRAME { /* * Map command to replace a command in ROM with a command in WCS */ -typedef struct _MAP { - uchar command; /* Command word defined above */ - uchar not_used[3]; +struct MAP { + unsigned char command; /* Command word defined above */ + unsigned char not_used[3]; ushort map_to; /* Instruction address in WCS */ ushort map_out; /* Instruction address in ROM */ -} MAP, *PMAP; +}; /* * Misc definitions @@ -221,35 +220,35 @@ typedef struct _MAP { /* * Coredump header structure */ -typedef struct _CORE_Q { - ulong32 queueOff; /* Offset of queue */ - ulong32 queuesize; /* size of queue */ -} CORE_Q; +struct CORE_Q { + u32 queueOff; /* Offset of queue */ + u32 queuesize; /* size of queue */ +}; #define DRIVER_NAME_SIZE 32 -typedef struct _sliccore_hdr_t { - uchar driver_version[DRIVER_NAME_SIZE]; /* Driver version string */ - ulong32 RcvRegOff; /* Offset of receive registers */ - ulong32 RcvRegsize; /* size of receive registers */ - ulong32 XmtRegOff; /* Offset of transmit registers */ - ulong32 XmtRegsize; /* size of transmit registers */ - ulong32 FileRegOff; /* Offset of register file */ - ulong32 FileRegsize; /* size of register file */ - ulong32 SramOff; /* Offset of Sram */ - ulong32 Sramsize; /* size of Sram */ - ulong32 DramOff; /* Offset of Dram */ - ulong32 Dramsize; /* size of Dram */ +struct sliccore_hdr { + unsigned char driver_version[DRIVER_NAME_SIZE]; /* Driver version string */ + u32 RcvRegOff; /* Offset of receive registers */ + u32 RcvRegsize; /* size of receive registers */ + u32 XmtRegOff; /* Offset of transmit registers */ + u32 XmtRegsize; /* size of transmit registers */ + u32 FileRegOff; /* Offset of register file */ + u32 FileRegsize; /* size of register file */ + u32 SramOff; /* Offset of Sram */ + u32 Sramsize; /* size of Sram */ + u32 DramOff; /* Offset of Dram */ + u32 Dramsize; /* size of Dram */ CORE_Q queues[SLIC_MAX_QUEUE]; /* size and offsets of queues */ - ulong32 CamAMOff; /* Offset of CAM A contents */ - ulong32 CamASize; /* Size of Cam A */ - ulong32 CamBMOff; /* Offset of CAM B contents */ - ulong32 CamBSize; /* Size of Cam B */ - ulong32 CamCMOff; /* Offset of CAM C contents */ - ulong32 CamCSize; /* Size of Cam C */ - ulong32 CamDMOff; /* Offset of CAM D contents */ - ulong32 CamDSize; /* Size of Cam D */ -} sliccore_hdr_t, *p_sliccore_hdr_t; + u32 CamAMOff; /* Offset of CAM A contents */ + u32 CamASize; /* Size of Cam A */ + u32 CamBMOff; /* Offset of CAM B contents */ + u32 CamBSize; /* Size of Cam B */ + u32 CamCMOff; /* Offset of CAM C contents */ + u32 CamCSize; /* Size of Cam C */ + u32 CamDMOff; /* Offset of CAM D contents */ + u32 CamDSize; /* Size of Cam D */ +}; /* * definitions needed for our kernel-mode gdb stub. diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h index d5765c4dc665..4c5c15d49e67 100644 --- a/drivers/staging/slicoss/slichw.h +++ b/drivers/staging/slicoss/slichw.h @@ -2,7 +2,6 @@ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slichw.h,v 1.3 2008/03/17 19:27:26 chris Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -236,110 +235,106 @@ #define TRUE 1 #endif -typedef struct _slic_rcvbuf_t { - uchar pad1[6]; +struct slic_rcvbuf { + unsigned char pad1[6]; ushort pad2; - ulong32 pad3; - ulong32 pad4; - ulong32 buffer; - ulong32 length; - ulong32 status; - ulong32 pad5; + u32 pad3; + u32 pad4; + u32 buffer; + u32 length; + u32 status; + u32 pad5; ushort pad6; - uchar data[SLIC_RCVBUF_DATASIZE]; -} slic_rcvbuf_t, *p_slic_rcvbuf_t; + unsigned char data[SLIC_RCVBUF_DATASIZE]; +}; -typedef struct _slic_hddr_wds { + struct slic_hddr_wds { union { struct { - ulong32 frame_status; - ulong32 frame_status_b; - ulong32 time_stamp; - ulong32 checksum; + u32 frame_status; + u32 frame_status_b; + u32 time_stamp; + u32 checksum; } hdrs_14port; struct { - ulong32 frame_status; + u32 frame_status; ushort ByteCnt; ushort TpChksum; ushort CtxHash; ushort MacHash; - ulong32 BufLnk; + u32 BufLnk; } hdrs_gbit; } u0; -} slic_hddr_wds_t, *p_slic_hddr_wds; +}; #define frame_status14 u0.hdrs_14port.frame_status #define frame_status_b14 u0.hdrs_14port.frame_status_b #define frame_statusGB u0.hdrs_gbit.frame_status -typedef struct _slic_host64sg_t { - ulong32 paddrl; - ulong32 paddrh; - ulong32 length; -} slic_host64sg_t, *p_slic_host64sg_t; - -typedef struct _slic_host64_cmd_t { - ulong32 hosthandle; - ulong32 RSVD; - uchar command; - uchar flags; +struct slic_host64sg { + u32 paddrl; + u32 paddrh; + u32 length; +}; + +struct slic_host64_cmd { + u32 hosthandle; + u32 RSVD; + unsigned char command; + unsigned char flags; union { ushort rsv1; ushort rsv2; } u0; union { struct { - ulong32 totlen; - slic_host64sg_t bufs[SLIC_MAX64_BCNT]; + u32 totlen; + struct slic_host64sg bufs[SLIC_MAX64_BCNT]; } slic_buffers; } u; +}; -} slic_host64_cmd_t, *p_slic_host64_cmd_t; +struct slic_rspbuf { + u32 hosthandle; + u32 pad0; + u32 pad1; + u32 status; + u32 pad2[4]; -typedef struct _slic_rspbuf_t { - ulong32 hosthandle; - ulong32 pad0; - ulong32 pad1; - ulong32 status; - ulong32 pad2[4]; +}; -} slic_rspbuf_t, *p_slic_rspbuf_t; +struct slic_regs { + u32 slic_reset; /* Reset Register */ + u32 pad0; -typedef ulong32 SLIC_REG; - - -typedef struct _slic_regs_t { - ULONG slic_reset; /* Reset Register */ - ULONG pad0; - - ULONG slic_icr; /* Interrupt Control Register */ - ULONG pad2; + u32 slic_icr; /* Interrupt Control Register */ + u32 pad2; #define SLIC_ICR 0x0008 - ULONG slic_isp; /* Interrupt status pointer */ - ULONG pad1; + u32 slic_isp; /* Interrupt status pointer */ + u32 pad1; #define SLIC_ISP 0x0010 - ULONG slic_isr; /* Interrupt status */ - ULONG pad3; + u32 slic_isr; /* Interrupt status */ + u32 pad3; #define SLIC_ISR 0x0018 - SLIC_REG slic_hbar; /* Header buffer address reg */ - ULONG pad4; + u32 slic_hbar; /* Header buffer address reg */ + u32 pad4; /* 31-8 - phy addr of set of contiguous hdr buffers 7-0 - number of buffers passed Buffers are 256 bytes long on 256-byte boundaries. */ #define SLIC_HBAR 0x0020 #define SLIC_HBAR_CNT_MSK 0x000000FF - SLIC_REG slic_dbar; /* Data buffer handle & address reg */ - ULONG pad5; + u32 slic_dbar; /* Data buffer handle & address reg */ + u32 pad5; /* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. */ #define SLIC_DBAR 0x0028 #define SLIC_DBAR_SIZE 2048 - SLIC_REG slic_cbar; /* Xmt Cmd buf addr regs.*/ + u32 slic_cbar; /* Xmt Cmd buf addr regs.*/ /* 1 per XMT interface 31-5 - phy addr of host command buffer 4-0 - length of cmd in multiples of 32 bytes @@ -348,13 +343,13 @@ typedef struct _slic_regs_t { #define SLIC_CBAR_LEN_MSK 0x0000001F #define SLIC_CBAR_ALIGN 0x00000020 - SLIC_REG slic_wcs; /* write control store*/ + u32 slic_wcs; /* write control store*/ #define SLIC_WCS 0x0034 #define SLIC_WCS_START 0x80000000 /*Start the SLIC (Jump to WCS)*/ #define SLIC_WCS_COMPARE 0x40000000 /* Compare with value in WCS*/ - SLIC_REG slic_rbar; /* Response buffer address reg.*/ - ULONG pad7; + u32 slic_rbar; /* Response buffer address reg.*/ + u32 pad7; /*31-8 - phy addr of set of contiguous response buffers 7-0 - number of buffers passed Buffers are 32 bytes long on 32-byte boundaries.*/ @@ -362,166 +357,166 @@ typedef struct _slic_regs_t { #define SLIC_RBAR_CNT_MSK 0x000000FF #define SLIC_RBAR_SIZE 32 - SLIC_REG slic_stats; /* read statistics (UPR) */ - ULONG pad8; + u32 slic_stats; /* read statistics (UPR) */ + u32 pad8; #define SLIC_RSTAT 0x0040 - SLIC_REG slic_rlsr; /* read link status */ - ULONG pad9; + u32 slic_rlsr; /* read link status */ + u32 pad9; #define SLIC_LSTAT 0x0048 - SLIC_REG slic_wmcfg; /* Write Mac Config */ - ULONG pad10; + u32 slic_wmcfg; /* Write Mac Config */ + u32 pad10; #define SLIC_WMCFG 0x0050 - SLIC_REG slic_wphy; /* Write phy register */ - ULONG pad11; + u32 slic_wphy; /* Write phy register */ + u32 pad11; #define SLIC_WPHY 0x0058 - SLIC_REG slic_rcbar; /*Rcv Cmd buf addr reg*/ - ULONG pad12; + u32 slic_rcbar; /*Rcv Cmd buf addr reg*/ + u32 pad12; #define SLIC_RCBAR 0x0060 - SLIC_REG slic_rconfig; /* Read SLIC Config*/ - ULONG pad13; + u32 slic_rconfig; /* Read SLIC Config*/ + u32 pad13; #define SLIC_RCONFIG 0x0068 - SLIC_REG slic_intagg; /* Interrupt aggregation time*/ - ULONG pad14; + u32 slic_intagg; /* Interrupt aggregation time*/ + u32 pad14; #define SLIC_INTAGG 0x0070 - SLIC_REG slic_wxcfg; /* Write XMIT config reg*/ - ULONG pad16; + u32 slic_wxcfg; /* Write XMIT config reg*/ + u32 pad16; #define SLIC_WXCFG 0x0078 - SLIC_REG slic_wrcfg; /* Write RCV config reg*/ - ULONG pad17; + u32 slic_wrcfg; /* Write RCV config reg*/ + u32 pad17; #define SLIC_WRCFG 0x0080 - SLIC_REG slic_wraddral; /* Write rcv addr a low*/ - ULONG pad18; + u32 slic_wraddral; /* Write rcv addr a low*/ + u32 pad18; #define SLIC_WRADDRAL 0x0088 - SLIC_REG slic_wraddrah; /* Write rcv addr a high*/ - ULONG pad19; + u32 slic_wraddrah; /* Write rcv addr a high*/ + u32 pad19; #define SLIC_WRADDRAH 0x0090 - SLIC_REG slic_wraddrbl; /* Write rcv addr b low*/ - ULONG pad20; + u32 slic_wraddrbl; /* Write rcv addr b low*/ + u32 pad20; #define SLIC_WRADDRBL 0x0098 - SLIC_REG slic_wraddrbh; /* Write rcv addr b high*/ - ULONG pad21; + u32 slic_wraddrbh; /* Write rcv addr b high*/ + u32 pad21; #define SLIC_WRADDRBH 0x00a0 - SLIC_REG slic_mcastlow; /* Low bits of mcast mask*/ - ULONG pad22; + u32 slic_mcastlow; /* Low bits of mcast mask*/ + u32 pad22; #define SLIC_MCASTLOW 0x00a8 - SLIC_REG slic_mcasthigh; /* High bits of mcast mask*/ - ULONG pad23; + u32 slic_mcasthigh; /* High bits of mcast mask*/ + u32 pad23; #define SLIC_MCASTHIGH 0x00b0 - SLIC_REG slic_ping; /* Ping the card*/ - ULONG pad24; + u32 slic_ping; /* Ping the card*/ + u32 pad24; #define SLIC_PING 0x00b8 - SLIC_REG slic_dump_cmd; /* Dump command */ - ULONG pad25; + u32 slic_dump_cmd; /* Dump command */ + u32 pad25; #define SLIC_DUMP_CMD 0x00c0 - SLIC_REG slic_dump_data; /* Dump data pointer */ - ULONG pad26; + u32 slic_dump_data; /* Dump data pointer */ + u32 pad26; #define SLIC_DUMP_DATA 0x00c8 - SLIC_REG slic_pcistatus; /* Read card's pci_status register */ - ULONG pad27; + u32 slic_pcistatus; /* Read card's pci_status register */ + u32 pad27; #define SLIC_PCISTATUS 0x00d0 - SLIC_REG slic_wrhostid; /* Write hostid field */ - ULONG pad28; + u32 slic_wrhostid; /* Write hostid field */ + u32 pad28; #define SLIC_WRHOSTID 0x00d8 #define SLIC_RDHOSTID_1GB 0x1554 #define SLIC_RDHOSTID_2GB 0x1554 - SLIC_REG slic_low_power; /* Put card in a low power state */ - ULONG pad29; + u32 slic_low_power; /* Put card in a low power state */ + u32 pad29; #define SLIC_LOW_POWER 0x00e0 - SLIC_REG slic_quiesce; /* force slic into quiescent state + u32 slic_quiesce; /* force slic into quiescent state before soft reset */ - ULONG pad30; + u32 pad30; #define SLIC_QUIESCE 0x00e8 - SLIC_REG slic_reset_iface; /* reset interface queues */ - ULONG pad31; + u32 slic_reset_iface; /* reset interface queues */ + u32 pad31; #define SLIC_RESET_IFACE 0x00f0 - SLIC_REG slic_addr_upper; /* Bits 63-32 for host i/f addrs */ - ULONG pad32; + u32 slic_addr_upper; /* Bits 63-32 for host i/f addrs */ + u32 pad32; #define SLIC_ADDR_UPPER 0x00f8 /*Register is only written when it has changed*/ - SLIC_REG slic_hbar64; /* 64 bit Header buffer address reg */ - ULONG pad33; + u32 slic_hbar64; /* 64 bit Header buffer address reg */ + u32 pad33; #define SLIC_HBAR64 0x0100 - SLIC_REG slic_dbar64; /* 64 bit Data buffer handle & address reg */ - ULONG pad34; + u32 slic_dbar64; /* 64 bit Data buffer handle & address reg */ + u32 pad34; #define SLIC_DBAR64 0x0108 - SLIC_REG slic_cbar64; /* 64 bit Xmt Cmd buf addr regs. */ - ULONG pad35; + u32 slic_cbar64; /* 64 bit Xmt Cmd buf addr regs. */ + u32 pad35; #define SLIC_CBAR64 0x0110 - SLIC_REG slic_rbar64; /* 64 bit Response buffer address reg.*/ - ULONG pad36; + u32 slic_rbar64; /* 64 bit Response buffer address reg.*/ + u32 pad36; #define SLIC_RBAR64 0x0118 - SLIC_REG slic_rcbar64; /* 64 bit Rcv Cmd buf addr reg*/ - ULONG pad37; + u32 slic_rcbar64; /* 64 bit Rcv Cmd buf addr reg*/ + u32 pad37; #define SLIC_RCBAR64 0x0120 - SLIC_REG slic_stats64; /*read statistics (64 bit UPR)*/ - ULONG pad38; + u32 slic_stats64; /*read statistics (64 bit UPR)*/ + u32 pad38; #define SLIC_RSTAT64 0x0128 - SLIC_REG slic_rcv_wcs; /*Download Gigabit RCV sequencer ucode*/ - ULONG pad39; + u32 slic_rcv_wcs; /*Download Gigabit RCV sequencer ucode*/ + u32 pad39; #define SLIC_RCV_WCS 0x0130 #define SLIC_RCVWCS_BEGIN 0x40000000 #define SLIC_RCVWCS_FINISH 0x80000000 - SLIC_REG slic_wrvlanid; /* Write VlanId field */ - ULONG pad40; + u32 slic_wrvlanid; /* Write VlanId field */ + u32 pad40; #define SLIC_WRVLANID 0x0138 - SLIC_REG slic_read_xf_info; /* Read Transformer info */ - ULONG pad41; + u32 slic_read_xf_info; /* Read Transformer info */ + u32 pad41; #define SLIC_READ_XF_INFO 0x0140 - SLIC_REG slic_write_xf_info; /* Write Transformer info */ - ULONG pad42; + u32 slic_write_xf_info; /* Write Transformer info */ + u32 pad42; #define SLIC_WRITE_XF_INFO 0x0148 - SLIC_REG RSVD1; /* TOE Only */ - ULONG pad43; + u32 RSVD1; /* TOE Only */ + u32 pad43; - SLIC_REG RSVD2; /* TOE Only */ - ULONG pad44; + u32 RSVD2; /* TOE Only */ + u32 pad44; - SLIC_REG RSVD3; /* TOE Only */ - ULONG pad45; + u32 RSVD3; /* TOE Only */ + u32 pad45; - SLIC_REG RSVD4; /* TOE Only */ - ULONG pad46; + u32 RSVD4; /* TOE Only */ + u32 pad46; - SLIC_REG slic_ticks_per_sec; /* Write card ticks per second */ - ULONG pad47; + u32 slic_ticks_per_sec; /* Write card ticks per second */ + u32 pad47; #define SLIC_TICKS_PER_SEC 0x0170 -} __iomem slic_regs_t, *p_slic_regs_t, SLIC_REGS, *PSLIC_REGS; +}; -typedef enum _UPR_REQUEST { +enum UPR_REQUEST { SLIC_UPR_STATS, SLIC_UPR_RLSR, SLIC_UPR_WCFG, @@ -532,103 +527,102 @@ typedef enum _UPR_REQUEST { SLIC_UPR_PDWN, SLIC_UPR_PING, SLIC_UPR_DUMP, -} UPR_REQUEST; - -typedef struct _inicpm_wakepattern { - ulong32 patternlength; - uchar pattern[SLIC_PM_PATTERNSIZE]; - uchar mask[SLIC_PM_PATTERNSIZE]; -} inicpm_wakepattern_t, *p_inicpm_wakepattern_t; - -typedef struct _inicpm_state { - ulong32 powercaps; - ulong32 powerstate; - ulong32 wake_linkstatus; - ulong32 wake_magicpacket; - ulong32 wake_framepattern; - inicpm_wakepattern_t wakepattern[SLIC_PM_MAXPATTERNS]; -} inicpm_state_t, *p_inicpm_state_t; - -typedef struct _slicpm_packet_pattern { - ulong32 priority; - ulong32 reserved; - ulong32 masksize; - ulong32 patternoffset; - ulong32 patternsize; - ulong32 patternflags; -} slicpm_packet_pattern_t, *p_slicpm_packet_pattern_t; - -typedef enum _slicpm_power_state { +}; + +struct inicpm_wakepattern { + u32 patternlength; + unsigned char pattern[SLIC_PM_PATTERNSIZE]; + unsigned char mask[SLIC_PM_PATTERNSIZE]; +}; + +struct inicpm_state { + u32 powercaps; + u32 powerstate; + u32 wake_linkstatus; + u32 wake_magicpacket; + u32 wake_framepattern; + struct inicpm_wakepattern wakepattern[SLIC_PM_MAXPATTERNS]; +}; + +struct slicpm_packet_pattern { + u32 priority; + u32 reserved; + u32 masksize; + u32 patternoffset; + u32 patternsize; + u32 patternflags; +}; + +enum slicpm_power_state { slicpm_state_unspecified = 0, slicpm_state_d0, slicpm_state_d1, slicpm_state_d2, slicpm_state_d3, slicpm_state_maximum -} slicpm_state_t, *p_slicpm_state_t; - -typedef struct _slicpm_wakeup_capabilities { - slicpm_state_t min_magic_packet_wakeup; - slicpm_state_t min_pattern_wakeup; - slicpm_state_t min_link_change_wakeup; -} slicpm_wakeup_capabilities_t, *p_slicpm_wakeup_capabilities_t; - - -typedef struct _slic_pnp_capabilities { - ulong32 flags; - slicpm_wakeup_capabilities_t wakeup_capabilities; -} slic_pnp_capabilities_t, *p_slic_pnp_capabilities_t; - -typedef struct _xmt_stats_t { - ulong32 xmit_tcp_bytes; - ulong32 xmit_tcp_segs; - ulong32 xmit_bytes; - ulong32 xmit_collisions; - ulong32 xmit_unicasts; - ulong32 xmit_other_error; - ulong32 xmit_excess_collisions; -} xmt_stats100_t; - -typedef struct _rcv_stats_t { - ulong32 rcv_tcp_bytes; - ulong32 rcv_tcp_segs; - ulong32 rcv_bytes; - ulong32 rcv_unicasts; - ulong32 rcv_other_error; - ulong32 rcv_drops; -} rcv_stats100_t; - -typedef struct _xmt_statsgb_t { - ulong64 xmit_tcp_bytes; - ulong64 xmit_tcp_segs; - ulong64 xmit_bytes; - ulong64 xmit_collisions; - ulong64 xmit_unicasts; - ulong64 xmit_other_error; - ulong64 xmit_excess_collisions; -} xmt_statsGB_t; - -typedef struct _rcv_statsgb_t { - ulong64 rcv_tcp_bytes; - ulong64 rcv_tcp_segs; - ulong64 rcv_bytes; - ulong64 rcv_unicasts; - u64 rcv_other_error; - ulong64 rcv_drops; -} rcv_statsGB_t; - -typedef struct _slic_stats { +}; + +struct slicpm_wakeup_capabilities { + enum slicpm_power_state min_magic_packet_wakeup; + enum slicpm_power_state min_pattern_wakeup; + enum slicpm_power_state min_link_change_wakeup; +}; + +struct slic_pnp_capabilities { + u32 flags; + struct slicpm_wakeup_capabilities wakeup_capabilities; +}; + +struct xmt_stats { + u32 xmit_tcp_bytes; + u32 xmit_tcp_segs; + u32 xmit_bytes; + u32 xmit_collisions; + u32 xmit_unicasts; + u32 xmit_other_error; + u32 xmit_excess_collisions; +}; + +struct rcv_stats { + u32 rcv_tcp_bytes; + u32 rcv_tcp_segs; + u32 rcv_bytes; + u32 rcv_unicasts; + u32 rcv_other_error; + u32 rcv_drops; +}; + +struct xmt_statsgb { + u64 xmit_tcp_bytes; + u64 xmit_tcp_segs; + u64 xmit_bytes; + u64 xmit_collisions; + u64 xmit_unicasts; + u64 xmit_other_error; + u64 xmit_excess_collisions; +}; + +struct rcv_statsgb { + u64 rcv_tcp_bytes; + u64 rcv_tcp_segs; + u64 rcv_bytes; + u64 rcv_unicasts; + u64 rcv_other_error; + u64 rcv_drops; +}; + +struct slic_stats { union { struct { - xmt_stats100_t xmt100; - rcv_stats100_t rcv100; + struct xmt_stats xmt100; + struct rcv_stats rcv100; } stats_100; struct { - xmt_statsGB_t xmtGB; - rcv_statsGB_t rcvGB; + struct xmt_statsgb xmtGB; + struct rcv_statsgb rcvGB; } stats_GB; } u; -} slic_stats_t, *p_slic_stats_t; +}; #define xmit_tcp_segs100 u.stats_100.xmt100.xmit_tcp_segs #define xmit_tcp_bytes100 u.stats_100.xmt100.xmit_tcp_bytes @@ -658,10 +652,9 @@ typedef struct _slic_stats { #define rcv_other_error_gb u.stats_GB.rcvGB.rcv_other_error #define rcv_drops_gb u.stats_GB.rcvGB.rcv_drops -typedef struct _slic_config_mac_t { - uchar macaddrA[6]; - -} slic_config_mac_t, *pslic_config_mac_t; +struct slic_config_mac { + unsigned char macaddrA[6]; +}; #define ATK_FRU_FORMAT 0x00 #define VENDOR1_FRU_FORMAT 0x01 @@ -670,68 +663,68 @@ typedef struct _slic_config_mac_t { #define VENDOR4_FRU_FORMAT 0x04 #define NO_FRU_FORMAT 0xFF -typedef struct _atk_fru_t { - uchar assembly[6]; - uchar revision[2]; - uchar serial[14]; - uchar pad[3]; -} atk_fru_t, *patk_fru_t; - -typedef struct _vendor1_fru_t { - uchar commodity; - uchar assembly[4]; - uchar revision[2]; - uchar supplier[2]; - uchar date[2]; - uchar sequence[3]; - uchar pad[13]; -} vendor1_fru_t, *pvendor1_fru_t; - -typedef struct _vendor2_fru_t { - uchar part[8]; - uchar supplier[5]; - uchar date[3]; - uchar sequence[4]; - uchar pad[7]; -} vendor2_fru_t, *pvendor2_fru_t; - -typedef struct _vendor3_fru_t { - uchar assembly[6]; - uchar revision[2]; - uchar serial[14]; - uchar pad[3]; -} vendor3_fru_t, *pvendor3_fru_t; - -typedef struct _vendor4_fru_t { - uchar number[8]; - uchar part[8]; - uchar version[8]; - uchar pad[3]; -} vendor4_fru_t, *pvendor4_fru_t; - -typedef union _oemfru_t { - vendor1_fru_t vendor1_fru; - vendor2_fru_t vendor2_fru; - vendor3_fru_t vendor3_fru; - vendor4_fru_t vendor4_fru; -} oemfru_t, *poemfru_t; +struct atk_fru { + unsigned char assembly[6]; + unsigned char revision[2]; + unsigned char serial[14]; + unsigned char pad[3]; +}; + +struct vendor1_fru { + unsigned char commodity; + unsigned char assembly[4]; + unsigned char revision[2]; + unsigned char supplier[2]; + unsigned char date[2]; + unsigned char sequence[3]; + unsigned char pad[13]; +}; + +struct vendor2_fru { + unsigned char part[8]; + unsigned char supplier[5]; + unsigned char date[3]; + unsigned char sequence[4]; + unsigned char pad[7]; +}; + +struct vendor3_fru { + unsigned char assembly[6]; + unsigned char revision[2]; + unsigned char serial[14]; + unsigned char pad[3]; +}; + +struct vendor4_fru { + unsigned char number[8]; + unsigned char part[8]; + unsigned char version[8]; + unsigned char pad[3]; +}; + +union oemfru_t { + struct vendor1_fru vendor1_fru; + struct vendor2_fru vendor2_fru; + struct vendor3_fru vendor3_fru; + struct vendor4_fru vendor4_fru; +}; /* SLIC EEPROM structure for Mojave */ -typedef struct _slic_eeprom { +struct slic_eeprom { ushort Id; /* 00 EEPROM/FLASH Magic code 'A5A5'*/ ushort EecodeSize; /* 01 Size of EEPROM Codes (bytes * 4)*/ ushort FlashSize; /* 02 Flash size */ ushort EepromSize; /* 03 EEPROM Size */ ushort VendorId; /* 04 Vendor ID */ ushort DeviceId; /* 05 Device ID */ - uchar RevisionId; /* 06 Revision ID */ - uchar ClassCode[3]; /* 07 Class Code */ - uchar DbgIntPin; /* 08 Debug Interrupt pin */ - uchar NetIntPin0; /* Network Interrupt Pin */ - uchar MinGrant; /* 09 Minimum grant */ - uchar MaxLat; /* Maximum Latency */ + unsigned char RevisionId; /* 06 Revision ID */ + unsigned char ClassCode[3]; /* 07 Class Code */ + unsigned char DbgIntPin; /* 08 Debug Interrupt pin */ + unsigned char NetIntPin0; /* Network Interrupt Pin */ + unsigned char MinGrant; /* 09 Minimum grant */ + unsigned char MaxLat; /* Maximum Latency */ ushort PciStatus; /* 10 PCI Status */ ushort SubSysVId; /* 11 Subsystem Vendor Id */ ushort SubSysId; /* 12 Subsystem ID */ @@ -739,58 +732,60 @@ typedef struct _slic_eeprom { ushort DramRomFn; /* 14 Dram/Rom function */ ushort DSize2Pci; /* 15 DRAM size to PCI (bytes * 64K) */ ushort RSize2Pci; /* 16 ROM extension size to PCI (bytes * 4k) */ - uchar NetIntPin1; /* 17 Network Interface Pin 1 (simba/leone only) */ - uchar NetIntPin2; /* Network Interface Pin 2 (simba/leone only) */ + unsigned char NetIntPin1;/* 17 Network Interface Pin 1 + (simba/leone only) */ + unsigned char NetIntPin2; /*Network Interface Pin 2 (simba/leone only)*/ union { - uchar NetIntPin3;/* 18 Network Interface Pin 3 (simba only) */ - uchar FreeTime;/* FreeTime setting (leone/mojave only) */ + unsigned char NetIntPin3;/*18 Network Interface Pin 3 + (simba only)*/ + unsigned char FreeTime;/*FreeTime setting (leone/mojave only) */ } u1; - uchar TBIctl; /* 10-bit interface control (Mojave only) */ + unsigned char TBIctl; /* 10-bit interface control (Mojave only) */ ushort DramSize; /* 19 DRAM size (bytes * 64k) */ union { struct { /* Mac Interface Specific portions */ - slic_config_mac_t MacInfo[SLIC_NBR_MACS]; + struct slic_config_mac MacInfo[SLIC_NBR_MACS]; } mac; /* MAC access for all boards */ struct { /* use above struct for MAC access */ - slic_config_mac_t pad[SLIC_NBR_MACS - 1]; + struct slic_config_mac pad[SLIC_NBR_MACS - 1]; ushort DeviceId2; /* Device ID for 2nd PCI function */ - uchar IntPin2; /* Interrupt pin for + unsigned char IntPin2; /* Interrupt pin for 2nd PCI function */ - uchar ClassCode2[3]; /* Class Code for 2nd + unsigned char ClassCode2[3]; /* Class Code for 2nd PCI function */ } mojave; /* 2nd function access for gigabit board */ } u2; ushort CfgByte6; /* Config Byte 6 */ ushort PMECapab; /* Power Mgment capabilities */ ushort NwClkCtrls; /* NetworkClockControls */ - uchar FruFormat; /* Alacritech FRU format type */ - atk_fru_t AtkFru; /* Alacritech FRU information */ - uchar OemFruFormat; /* optional OEM FRU format type */ - oemfru_t OemFru; /* optional OEM FRU information */ - uchar Pad[4]; /* Pad to 128 bytes - includes 2 cksum bytes + unsigned char FruFormat; /* Alacritech FRU format type */ + struct atk_fru AtkFru; /* Alacritech FRU information */ + unsigned char OemFruFormat; /* optional OEM FRU format type */ + union oemfru_t OemFru; /* optional OEM FRU information */ + unsigned char Pad[4]; /* Pad to 128 bytes - includes 2 cksum bytes *(if OEM FRU info exists) and two unusable * bytes at the end */ -} slic_eeprom_t, *pslic_eeprom_t; +}; /* SLIC EEPROM structure for Oasis */ -typedef struct _oslic_eeprom_t { +struct oslic_eeprom { ushort Id; /* 00 EEPROM/FLASH Magic code 'A5A5' */ ushort EecodeSize; /* 01 Size of EEPROM Codes (bytes * 4)*/ ushort FlashConfig0; /* 02 Flash Config for SPI device 0 */ ushort FlashConfig1; /* 03 Flash Config for SPI device 1 */ ushort VendorId; /* 04 Vendor ID */ ushort DeviceId; /* 05 Device ID (function 0) */ - uchar RevisionId; /* 06 Revision ID */ - uchar ClassCode[3]; /* 07 Class Code for PCI function 0 */ - uchar IntPin1; /* 08 Interrupt pin for PCI function 1*/ - uchar ClassCode2[3]; /* 09 Class Code for PCI function 1 */ - uchar IntPin2; /* 10 Interrupt pin for PCI function 2*/ - uchar IntPin0; /* Interrupt pin for PCI function 0*/ - uchar MinGrant; /* 11 Minimum grant */ - uchar MaxLat; /* Maximum Latency */ + unsigned char RevisionId; /* 06 Revision ID */ + unsigned char ClassCode[3]; /* 07 Class Code for PCI function 0 */ + unsigned char IntPin1; /* 08 Interrupt pin for PCI function 1*/ + unsigned char ClassCode2[3]; /* 09 Class Code for PCI function 1 */ + unsigned char IntPin2; /* 10 Interrupt pin for PCI function 2*/ + unsigned char IntPin0; /* Interrupt pin for PCI function 0*/ + unsigned char MinGrant; /* 11 Minimum grant */ + unsigned char MaxLat; /* Maximum Latency */ ushort SubSysVId; /* 12 Subsystem Vendor Id */ ushort SubSysId; /* 13 Subsystem ID */ ushort FlashSize; /* 14 Flash size (bytes / 4K) */ @@ -801,8 +796,8 @@ typedef struct _oslic_eeprom_t { ushort DeviceId2; /* 18 Device Id (function 2) */ ushort CfgByte6; /* 19 Device Status Config Bytes 6-7 */ ushort PMECapab; /* 20 Power Mgment capabilities */ - uchar MSICapab; /* 21 MSI capabilities */ - uchar ClockDivider; /* Clock divider */ + unsigned char MSICapab; /* 21 MSI capabilities */ + unsigned char ClockDivider; /* Clock divider */ ushort PciStatusLow; /* 22 PCI Status bits 15:0 */ ushort PciStatusHigh; /* 23 PCI Status bits 31:16 */ ushort DramConfigLow; /* 24 DRAM Configuration bits 15:0 */ @@ -810,18 +805,18 @@ typedef struct _oslic_eeprom_t { ushort DramSize; /* 26 DRAM size (bytes / 64K) */ ushort GpioTbiCtl;/* 27 GPIO/TBI controls for functions 1/0 */ ushort EepromSize; /* 28 EEPROM Size */ - slic_config_mac_t MacInfo[2]; /* 29 MAC addresses (2 ports) */ - uchar FruFormat; /* 35 Alacritech FRU format type */ - atk_fru_t AtkFru; /* Alacritech FRU information */ - uchar OemFruFormat; /* optional OEM FRU format type */ - oemfru_t OemFru; /* optional OEM FRU information */ - uchar Pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes + struct slic_config_mac MacInfo[2]; /* 29 MAC addresses (2 ports) */ + unsigned char FruFormat; /* 35 Alacritech FRU format type */ + struct atk_fru AtkFru; /* Alacritech FRU information */ + unsigned char OemFruFormat; /* optional OEM FRU format type */ + union oemfru_t OemFru; /* optional OEM FRU information */ + unsigned char Pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes * (if OEM FRU info exists) and two unusable * bytes at the end */ -} oslic_eeprom_t, *poslic_eeprom_t; +}; -#define MAX_EECODE_SIZE sizeof(slic_eeprom_t) +#define MAX_EECODE_SIZE sizeof(struct slic_eeprom) #define MIN_EECODE_SIZE 0x62 /* code size without optional OEM FRU stuff */ /* SLIC CONFIG structure @@ -830,20 +825,20 @@ typedef struct _oslic_eeprom_t { board types. It is filled in from the appropriate EEPROM structure by SlicGetConfigData(). */ -typedef struct _slic_config_t { - boolean EepromValid; /* Valid EEPROM flag (checksum good?) */ +struct slic_config { + bool EepromValid; /* Valid EEPROM flag (checksum good?) */ ushort DramSize; /* DRAM size (bytes / 64K) */ - slic_config_mac_t MacInfo[SLIC_NBR_MACS]; /* MAC addresses */ - uchar FruFormat; /* Alacritech FRU format type */ - atk_fru_t AtkFru; /* Alacritech FRU information */ - uchar OemFruFormat; /* optional OEM FRU format type */ - union { - vendor1_fru_t vendor1_fru; - vendor2_fru_t vendor2_fru; - vendor3_fru_t vendor3_fru; - vendor4_fru_t vendor4_fru; - } OemFru; -} slic_config_t, *pslic_config_t; + struct slic_config_mac MacInfo[SLIC_NBR_MACS]; /* MAC addresses */ + unsigned char FruFormat; /* Alacritech FRU format type */ + struct atk_fru AtkFru; /* Alacritech FRU information */ + unsigned char OemFruFormat; /* optional OEM FRU format type */ + union { + struct vendor1_fru vendor1_fru; + struct vendor2_fru vendor2_fru; + struct vendor3_fru vendor3_fru; + struct vendor4_fru vendor4_fru; + } OemFru; +}; #pragma pack() diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h index 9910306ac33b..610c1abd988b 100644 --- a/drivers/staging/slicoss/slicinc.h +++ b/drivers/staging/slicoss/slicinc.h @@ -2,7 +2,6 @@ * * Copyright (c) 2000-2002 Alacritech, Inc. All rights reserved. * - * $Id: slicinc.h,v 1.4 2006/07/14 16:42:56 mook Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -48,164 +47,135 @@ #include "slichw.h" #include "slic.h" -int slic_entry_probe(struct pci_dev *pcidev, +static int slic_entry_probe(struct pci_dev *pcidev, const struct pci_device_id *ent); -int slic_init(struct pci_dev *pcidev, - const struct pci_device_id *pci_tbl_entry, - long memaddr, - int chip_idx, - int acpi_idle_state); -void slic_entry_remove(struct pci_dev *pcidev); +static void slic_entry_remove(struct pci_dev *pcidev); -void slic_init_driver(void); -int slic_entry_open(struct net_device *dev); -int slic_entry_halt(struct net_device *dev); -int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -int slic_xmit_start(struct sk_buff *skb, struct net_device *dev); -void slic_xmit_fail(p_adapter_t adapter, +static void slic_init_driver(void); +static int slic_entry_open(struct net_device *dev); +static int slic_entry_halt(struct net_device *dev); +static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); +static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev); +static void slic_xmit_fail(struct adapter *adapter, struct sk_buff *skb, - pvoid cmd, - ulong32 skbtype, - ulong32 status); -void slic_xmit_timeout(struct net_device *dev); -void slic_config_pci(struct pci_dev *pcidev); -struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter); + void *cmd, + u32 skbtype, + u32 status); +static void slic_xmit_timeout(struct net_device *dev); +static void slic_config_pci(struct pci_dev *pcidev); +static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter); -inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush); -inline void slic_reg64_write(p_adapter_t adapter, void __iomem *reg, - ulong32 value, void __iomem *regh, ulong32 paddrh, uint flush); -inline ulong32 slic_reg32_read(pulong32 reg, uint flush); -inline ulong32 slic_reg16_read(pulong32 reg, uint flush); +static inline void slic_reg32_write(void __iomem *reg, u32 value, uint flush); +static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg, + u32 value, void __iomem *regh, u32 paddrh, uint flush); #if SLIC_GET_STATS_ENABLED -struct net_device_stats *slic_get_stats(struct net_device *dev); +static struct net_device_stats *slic_get_stats(struct net_device *dev); #endif -int slic_mac_set_address(struct net_device *dev, pvoid ptr); +static int slic_mac_set_address(struct net_device *dev, void *ptr); +static void slic_rcv_handler(struct adapter *adapter); +static void slic_link_event_handler(struct adapter *adapter); +static void slic_xmit_complete(struct adapter *adapter); +static void slic_upr_request_complete(struct adapter *adapter, u32 isr); +static int slic_rspqueue_init(struct adapter *adapter); +static int slic_rspqueue_reset(struct adapter *adapter); +static void slic_rspqueue_free(struct adapter *adapter); +static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter); +static void slic_cmdqmem_init(struct adapter *adapter); +static void slic_cmdqmem_free(struct adapter *adapter); +static u32 *slic_cmdqmem_addpage(struct adapter *adapter); +static int slic_cmdq_init(struct adapter *adapter); +static void slic_cmdq_free(struct adapter *adapter); +static void slic_cmdq_reset(struct adapter *adapter); +static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page); +static void slic_cmdq_getdone(struct adapter *adapter); +static void slic_cmdq_putdone(struct adapter *adapter, + struct slic_hostcmd *cmd); +static void slic_cmdq_putdone_irq(struct adapter *adapter, + struct slic_hostcmd *cmd); +static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter); +static int slic_rcvqueue_init(struct adapter *adapter); +static int slic_rcvqueue_reset(struct adapter *adapter); +static int slic_rcvqueue_fill(struct adapter *adapter); +static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb); +static void slic_rcvqueue_free(struct adapter *adapter); +static void slic_rcv_handle_error(struct adapter *adapter, + struct slic_rcvbuf *rcvbuf); +static void slic_adapter_set_hwaddr(struct adapter *adapter); +static void slic_card_halt(struct sliccard *card, struct adapter *adapter); +static int slic_card_init(struct sliccard *card, struct adapter *adapter); +static void slic_intagg_set(struct adapter *adapter, u32 value); +static int slic_card_download(struct adapter *adapter); +static u32 slic_card_locate(struct adapter *adapter); -int slicproc_card_read(char *page, char **start, off_t off, int count, - int *eof, void *data); -int slicproc_card_write(struct file *file, const char __user *buffer, - ulong count, void *data); -void slicproc_card_create(p_sliccard_t card); -void slicproc_card_destroy(p_sliccard_t card); -int slicproc_adapter_read(char *page, char **start, off_t off, int count, - int *eof, void *data); -int slicproc_adapter_write(struct file *file, const char __user *buffer, - ulong count, void *data); -void slicproc_adapter_create(p_adapter_t adapter); -void slicproc_adapter_destroy(p_adapter_t adapter); -void slicproc_create(void); -void slicproc_destroy(void); - -void slic_interrupt_process(p_adapter_t adapter, ulong32 isr); -void slic_rcv_handler(p_adapter_t adapter); -void slic_upr_handler(p_adapter_t adapter); -void slic_link_event_handler(p_adapter_t adapter); -void slic_xmit_complete(p_adapter_t adapter); -void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr); -int slic_rspqueue_init(p_adapter_t adapter); -int slic_rspqueue_reset(p_adapter_t adapter); -void slic_rspqueue_free(p_adapter_t adapter); -p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter); -void slic_cmdqmem_init(p_adapter_t adapter); -void slic_cmdqmem_free(p_adapter_t adapter); -pulong32 slic_cmdqmem_addpage(p_adapter_t adapter); -int slic_cmdq_init(p_adapter_t adapter); -void slic_cmdq_free(p_adapter_t adapter); -void slic_cmdq_reset(p_adapter_t adapter); -void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page); -void slic_cmdq_getdone(p_adapter_t adapter); -void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd); -void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd); -p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter); -int slic_rcvqueue_init(p_adapter_t adapter); -int slic_rcvqueue_reset(p_adapter_t adapter); -int slic_rcvqueue_fill(p_adapter_t adapter); -ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb); -void slic_rcvqueue_free(p_adapter_t adapter); -void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf); -void slic_adapter_set_hwaddr(p_adapter_t adapter); -void slic_card_halt(p_sliccard_t card, p_adapter_t adapter); -int slic_card_init(p_sliccard_t card, p_adapter_t adapter); -void slic_intagg_set(p_adapter_t adapter, ulong32 value); -int slic_card_download(p_adapter_t adapter); -ulong32 slic_card_locate(p_adapter_t adapter); -int slic_card_removeadapter(p_adapter_t adapter); -void slic_card_remaster(p_adapter_t adapter); -void slic_card_softreset(p_adapter_t adapter); -void slic_card_up(p_adapter_t adapter); -void slic_card_down(p_adapter_t adapter); - -void slic_if_stop_queue(p_adapter_t adapter); -void slic_if_start_queue(p_adapter_t adapter); -int slic_if_init(p_adapter_t adapter); -void slic_adapter_close(p_adapter_t adapter); -int slic_adapter_allocresources(p_adapter_t adapter); -void slic_adapter_freeresources(p_adapter_t adapter); -void slic_link_config(p_adapter_t adapter, ulong32 linkspeed, - ulong32 linkduplex); -void slic_unmap_mmio_space(p_adapter_t adapter); -void slic_card_cleanup(p_sliccard_t card); -void slic_init_cleanup(p_adapter_t adapter); -void slic_card_reclaim_buffers(p_adapter_t adapter); -void slic_soft_reset(p_adapter_t adapter); -void slic_card_reset(p_adapter_t adapter); -boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame); -void slic_mac_address_config(p_adapter_t adapter); -void slic_mac_config(p_adapter_t adapter); -void slic_mcast_set_mask(p_adapter_t adapter); -void slic_mac_setmcastaddrs(p_adapter_t adapter); -int slic_mcast_add_list(p_adapter_t adapter, pchar address); -uchar slic_mcast_get_mac_hash(pchar macaddr); -void slic_mcast_set_bit(p_adapter_t adapter, pchar address); -void slic_config_set(p_adapter_t adapter, boolean linkchange); -void slic_config_clear(p_adapter_t adapter); -void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 configh); -void slic_timer_get_stats(ulong device); -void slic_timer_load_check(ulong context); -void slic_timer_ping(ulong dev); -void slic_stall_msec(int stall); -void slic_stall_usec(int stall); -void slic_assert_fail(void); -ushort slic_eeprom_cksum(pchar m, int len); +static void slic_if_stop_queue(struct adapter *adapter); +static void slic_if_start_queue(struct adapter *adapter); +static int slic_if_init(struct adapter *adapter); +static int slic_adapter_allocresources(struct adapter *adapter); +static void slic_adapter_freeresources(struct adapter *adapter); +static void slic_link_config(struct adapter *adapter, u32 linkspeed, + u32 linkduplex); +static void slic_unmap_mmio_space(struct adapter *adapter); +static void slic_card_cleanup(struct sliccard *card); +static void slic_init_cleanup(struct adapter *adapter); +static void slic_soft_reset(struct adapter *adapter); +static void slic_card_reset(struct adapter *adapter); +static bool slic_mac_filter(struct adapter *adapter, + struct ether_header *ether_frame); +static void slic_mac_address_config(struct adapter *adapter); +static void slic_mac_config(struct adapter *adapter); +static void slic_mcast_set_mask(struct adapter *adapter); +static int slic_mcast_add_list(struct adapter *adapter, char *address); +static unsigned char slic_mcast_get_mac_hash(char *macaddr); +static void slic_mcast_set_bit(struct adapter *adapter, char *address); +static void slic_config_set(struct adapter *adapter, bool linkchange); +static void slic_config_clear(struct adapter *adapter); +static void slic_config_get(struct adapter *adapter, u32 config, + u32 configh); +static void slic_timer_get_stats(ulong device); +static void slic_timer_load_check(ulong context); +static void slic_timer_ping(ulong dev); +static void slic_assert_fail(void); +static ushort slic_eeprom_cksum(char *m, int len); /* upr */ -void slic_upr_start(p_adapter_t adapter); -void slic_link_upr_complete(p_adapter_t adapter, ulong32 Isr); -int slic_upr_request(p_adapter_t adapter, - ulong32 upr_request, - ulong32 upr_data, - ulong32 upr_data_h, - ulong32 upr_buffer, - ulong32 upr_buffer_h); -int slic_upr_queue_request(p_adapter_t adapter, - ulong32 upr_request, - ulong32 upr_data, - ulong32 upr_data_h, - ulong32 upr_buffer, - ulong32 upr_buffer_h); -void slic_mcast_set_list(struct net_device *dev); -void slic_mcast_init_crc32(void); +static void slic_upr_start(struct adapter *adapter); +static void slic_link_upr_complete(struct adapter *adapter, u32 Isr); +static int slic_upr_request(struct adapter *adapter, + u32 upr_request, + u32 upr_data, + u32 upr_data_h, + u32 upr_buffer, + u32 upr_buffer_h); +static int slic_upr_queue_request(struct adapter *adapter, + u32 upr_request, + u32 upr_data, + u32 upr_data_h, + u32 upr_buffer, + u32 upr_buffer_h); +static void slic_mcast_set_list(struct net_device *dev); +static void slic_mcast_init_crc32(void); #if SLIC_DUMP_ENABLED -int slic_dump_thread(void *context); -uint slic_init_dump_thread(p_sliccard_t card); -uchar slic_get_dump_index(pchar path); -ulong32 slic_dump_card(p_sliccard_t card, boolean resume); -ulong32 slic_dump_halt(p_sliccard_t card, uchar proc); -ulong32 slic_dump_reg(p_sliccard_t card, uchar proc); -ulong32 slic_dump_data(p_sliccard_t card, ulong32 addr, - ushort count, uchar desc); -ulong32 slic_dump_queue(p_sliccard_t card, ulong32 buf_phys, - ulong32 buf_physh, ulong32 queue); -ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue); -ulong32 slic_dump_cam(p_sliccard_t card, ulong32 addr, - ulong32 count, uchar desc); +static int slic_dump_thread(void *context); +static uint slic_init_dump_thread(struct sliccard *card); +static unsigned char slic_get_dump_index(char *path); +static u32 slic_dump_card(struct sliccard *card, bool resume); +static u32 slic_dump_halt(struct sliccard *card, unsigned char proc); +static u32 slic_dump_reg(struct sliccard *card, unsigned char proc); +static u32 slic_dump_data(struct sliccard *card, u32 addr, + ushort count, unsigned char desc); +static u32 slic_dump_queue(struct sliccard *card, u32 buf_phys, + u32 buf_physh, u32 queue); +static u32 slic_dump_load_queue(struct sliccard *card, u32 data, + u32 queue); +static u32 slic_dump_cam(struct sliccard *card, u32 addr, + u32 count, unsigned char desc); -ulong32 slic_dump_resume(p_sliccard_t card, uchar proc); -ulong32 slic_dump_send_cmd(p_sliccard_t card, ulong32 cmd_phys, - ulong32 cmd_physh, ulong32 buf_phys, - ulong32 buf_physh); +static u32 slic_dump_resume(struct sliccard *card, unsigned char proc); +static u32 slic_dump_send_cmd(struct sliccard *card, u32 cmd_phys, + u32 cmd_physh, u32 buf_phys, + u32 buf_physh); #define create_file(x) STATUS_SUCCESS #define write_file(w, x, y, z) STATUS_SUCCESS diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index a8c264822deb..eb615652a08a 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -143,7 +143,7 @@ static int slic_debug = 1; static int debug = -1; static struct net_device *head_netdevice; -base_driver_t slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; +static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL }; static int intagg_delay = 100; static u32 dynamic_intagg; static int errormsg; @@ -183,44 +183,49 @@ MODULE_DEVICE_TABLE(pci, slic_pci_tbl); #define SLIC_GET_SLIC_HANDLE(_adapter, _pslic_handle) \ { \ - SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock); \ + spin_lock_irqsave(&_adapter->handle_lock.lock, \ + _adapter->handle_lock.flags); \ _pslic_handle = _adapter->pfree_slic_handles; \ if (_pslic_handle) { \ ASSERT(_pslic_handle->type == SLIC_HANDLE_FREE); \ _adapter->pfree_slic_handles = _pslic_handle->next; \ } \ - SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock); \ + spin_unlock_irqrestore(&_adapter->handle_lock.lock, \ + _adapter->handle_lock.flags); \ } #define SLIC_FREE_SLIC_HANDLE(_adapter, _pslic_handle) \ { \ _pslic_handle->type = SLIC_HANDLE_FREE; \ - SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock); \ + spin_lock_irqsave(&_adapter->handle_lock.lock, \ + _adapter->handle_lock.flags); \ _pslic_handle->next = _adapter->pfree_slic_handles; \ _adapter->pfree_slic_handles = _pslic_handle; \ - SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock); \ + spin_unlock_irqrestore(&_adapter->handle_lock.lock, \ + _adapter->handle_lock.flags); \ } static void slic_debug_init(void); static void slic_debug_cleanup(void); -static void slic_debug_adapter_create(p_adapter_t adapter); -static void slic_debug_adapter_destroy(p_adapter_t adapter); -static void slic_debug_card_create(p_sliccard_t card); -static void slic_debug_card_destroy(p_sliccard_t card); +static void slic_debug_adapter_create(struct adapter *adapter); +static void slic_debug_adapter_destroy(struct adapter *adapter); +static void slic_debug_card_create(struct sliccard *card); +static void slic_debug_card_destroy(struct sliccard *card); -inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush) +static inline void slic_reg32_write(void __iomem *reg, u32 value, uint flush) { writel(value, reg); if (flush) mb(); } -inline void slic_reg64_write(p_adapter_t adapter, +static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg, - ulong32 value, - void __iomem *regh, ulong32 paddrh, uint flush) + u32 value, + void __iomem *regh, u32 paddrh, uint flush) { - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_lock_irqsave(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); if (paddrh != adapter->curaddrupper) { adapter->curaddrupper = paddrh; writel(paddrh, regh); @@ -228,31 +233,22 @@ inline void slic_reg64_write(p_adapter_t adapter, writel(value, reg); if (flush) mb(); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_unlock_irqrestore(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); } -inline ulong32 slic_reg32_read(u32 __iomem *reg, uint flush) -{ - return readl(reg); -} - -inline ulong32 slic_reg16_read(pulong32 reg, uint flush) -{ - return (ushort) readw(reg); -} - -void slic_init_driver(void) +static void slic_init_driver(void) { if (slic_first_init) { DBG_MSG("slicoss: %s slic_first_init set jiffies[%lx]\n", __func__, jiffies); slic_first_init = 0; - SLIC_INIT_SPINLOCK(slic_global.driver_lock); + spin_lock_init(&slic_global.driver_lock.lock); slic_debug_init(); } } -static void slic_dbg_macaddrs(p_adapter_t adapter) +static void slic_dbg_macaddrs(struct adapter *adapter) { DBG_MSG(" (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", adapter->netdev->name, adapter->currmacaddr[0], @@ -267,7 +263,8 @@ static void slic_dbg_macaddrs(p_adapter_t adapter) } #ifdef DEBUG_REGISTER_TRACE -static void slic_dbg_register_trace(p_adapter_t adapter, p_sliccard_t card) +static void slic_dbg_register_trace(struct adapter *adapter, + struct sliccard *card) { uint i; @@ -287,9 +284,8 @@ static void slic_init_adapter(struct net_device *netdev, void __iomem *memaddr, int chip_idx) { ushort index; - pslic_handle_t pslic_handle; - p_adapter_t adapter = (p_adapter_t) netdev_priv(netdev); - + struct slic_handle *pslic_handle; + struct adapter *adapter = (struct adapter *)netdev_priv(netdev); /* DBG_MSG("slicoss: %s (%s)\n netdev [%p]\n adapter[%p]\n " "pcidev [%p]\n", __func__, netdev->name, netdev, adapter, pcidev);*/ @@ -301,7 +297,7 @@ static void slic_init_adapter(struct net_device *netdev, adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F); adapter->functionnumber = (pcidev->devfn & 0x7); adapter->memorylength = pci_resource_len(pcidev, 0); - adapter->slic_regs = (p_slic_regs_t) memaddr; + adapter->slic_regs = (__iomem struct slic_regs *)memaddr; adapter->irq = pcidev->irq; /* adapter->netdev = netdev;*/ adapter->next_netdevice = head_netdevice; @@ -310,11 +306,11 @@ static void slic_init_adapter(struct net_device *netdev, adapter->port = 0; /*adapter->functionnumber;*/ adapter->cardindex = adapter->port; adapter->memorybase = memaddr; - SLIC_INIT_SPINLOCK(adapter->upr_lock); - SLIC_INIT_SPINLOCK(adapter->bit64reglock); - SLIC_INIT_SPINLOCK(adapter->adapter_lock); - SLIC_INIT_SPINLOCK(adapter->reset_lock); - SLIC_INIT_SPINLOCK(adapter->handle_lock); + spin_lock_init(&adapter->upr_lock.lock); + spin_lock_init(&adapter->bit64reglock.lock); + spin_lock_init(&adapter->adapter_lock.lock); + spin_lock_init(&adapter->reset_lock.lock); + spin_lock_init(&adapter->handle_lock.lock); adapter->card_size = 1; /* @@ -335,36 +331,36 @@ static void slic_init_adapter(struct net_device *netdev, /* DBG_MSG(".........\nix[%d] phandle[%p] pfree[%p] next[%p]\n", index, pslic_handle, adapter->pfree_slic_handles, pslic_handle->next);*/ - adapter->pshmem = (p_slic_shmem_t) pci_alloc_consistent(adapter->pcidev, - sizeof - (slic_shmem_t), - &adapter-> - phys_shmem); + adapter->pshmem = (struct slic_shmem *) + pci_alloc_consistent(adapter->pcidev, + sizeof(struct slic_shmem *), + &adapter-> + phys_shmem); /* DBG_MSG("slicoss: %s (%s)\n pshmem [%p]\n phys_shmem[%p]\n"\ "slic_regs [%p]\n", __func__, netdev->name, adapter->pshmem, - (pvoid)adapter->phys_shmem, adapter->slic_regs); + (void *)adapter->phys_shmem, adapter->slic_regs); */ ASSERT(adapter->pshmem); - SLIC_ZERO_MEMORY(adapter->pshmem, sizeof(slic_shmem_t)); + memset(adapter->pshmem, 0, sizeof(struct slic_shmem)); return; } -int __devinit slic_entry_probe(struct pci_dev *pcidev, +static int __devinit slic_entry_probe(struct pci_dev *pcidev, const struct pci_device_id *pci_tbl_entry) { static int cards_found; static int did_version; int err; struct net_device *netdev; - p_adapter_t adapter; + struct adapter *adapter; void __iomem *memmapped_ioaddr = NULL; - ulong32 status = 0; + u32 status = 0; ulong mmio_start = 0; ulong mmio_len = 0; - p_sliccard_t card = NULL; + struct sliccard *card = NULL; DBG_MSG("slicoss: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n", __func__, jiffies, smp_processor_id()); @@ -408,7 +404,7 @@ int __devinit slic_entry_probe(struct pci_dev *pcidev, pci_set_master(pcidev); DBG_MSG("call alloc_etherdev\n"); - netdev = alloc_etherdev(sizeof(adapter_t)); + netdev = alloc_etherdev(sizeof(struct adapter)); if (!netdev) { err = -ENOMEM; goto err_out_exit_slic_probe; @@ -428,7 +424,7 @@ int __devinit slic_entry_probe(struct pci_dev *pcidev, DBG_MSG("slicoss: call ioremap(mmio_start[%lx], mmio_len[%lx])\n", mmio_start, mmio_len); -/* memmapped_ioaddr = (ulong32)ioremap_nocache(mmio_start, mmio_len);*/ +/* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/ memmapped_ioaddr = ioremap(mmio_start, mmio_len); DBG_MSG("slicoss: %s MEMMAPPED_IOADDR [%p]\n", __func__, memmapped_ioaddr); @@ -530,11 +526,11 @@ err_out_exit_slic_probe: return -ENODEV; } -int slic_entry_open(struct net_device *dev) +static int slic_entry_open(struct net_device *dev) { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - p_sliccard_t card = adapter->card; - ulong32 locked = 0; + struct adapter *adapter = (struct adapter *) netdev_priv(dev); + struct sliccard *card = adapter->card; + u32 locked = 0; int status; ASSERT(adapter); @@ -552,7 +548,8 @@ int slic_entry_open(struct net_device *dev) netif_stop_queue(adapter->netdev); - SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_lock_irqsave(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); locked = 1; if (!adapter->activated) { card->adapters_activated++; @@ -568,7 +565,8 @@ int slic_entry_open(struct net_device *dev) adapter->activated = 0; } if (locked) { - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_unlock_irqrestore(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); locked = 0; } return status; @@ -583,7 +581,8 @@ int slic_entry_open(struct net_device *dev) #endif if (locked) { - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_unlock_irqrestore(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); locked = 0; } #if SLIC_DUMP_ENABLED @@ -599,13 +598,13 @@ int slic_entry_open(struct net_device *dev) return STATUS_SUCCESS; } -void __devexit slic_entry_remove(struct pci_dev *pcidev) +static void __devexit slic_entry_remove(struct pci_dev *pcidev) { struct net_device *dev = pci_get_drvdata(pcidev); - ulong32 mmio_start = 0; + u32 mmio_start = 0; uint mmio_len = 0; - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - p_sliccard_t card; + struct adapter *adapter = (struct adapter *) netdev_priv(dev); + struct sliccard *card; ASSERT(adapter); DBG_MSG("slicoss: %s ENTER dev[%p] adapter[%p]\n", __func__, dev, @@ -635,7 +634,7 @@ void __devexit slic_entry_remove(struct pci_dev *pcidev) __func__, card->adapters_activated, card->adapters_allocated, card, adapter); if (!card->adapters_allocated) { - p_sliccard_t curr_card = slic_global.slic_card; + struct sliccard *curr_card = slic_global.slic_card; if (curr_card == card) { slic_global.slic_card = card->next; } else { @@ -649,17 +648,18 @@ void __devexit slic_entry_remove(struct pci_dev *pcidev) slic_card_cleanup(card); } DBG_MSG("slicoss: %s deallocate device\n", __func__); - SLIC_DEALLOCATE_MEM(dev); + kfree(dev); DBG_MSG("slicoss: %s EXIT\n", __func__); } -int slic_entry_halt(struct net_device *dev) +static int slic_entry_halt(struct net_device *dev) { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - p_sliccard_t card = adapter->card; - p_slic_regs_t slic_regs = adapter->slic_regs; + struct adapter *adapter = (struct adapter *)netdev_priv(dev); + struct sliccard *card = adapter->card; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; - SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_lock_irqsave(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); ASSERT(card); DBG_MSG("slicoss: %s (%s) ENTER\n", __func__, dev->name); DBG_MSG("slicoss: %s (%s) actvtd[%d] alloc[%d] state[%x] adapt[%p]\n", @@ -730,11 +730,12 @@ int slic_entry_halt(struct net_device *dev) DBG_MSG("slicoss: %s (%s) EXIT\n", __func__, dev->name); DBG_MSG("slicoss: %s EXIT\n", __func__); - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_unlock_irqrestore(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); return STATUS_SUCCESS; } -int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { ASSERT(rq); /* @@ -743,9 +744,10 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) switch (cmd) { case SIOCSLICSETINTAGG: { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - ulong32 data[7]; - ulong32 intagg; + struct adapter *adapter = (struct adapter *) + netdev_priv(dev); + u32 data[7]; + u32 intagg; if (copy_from_user(data, rq->ifr_data, 28)) { DBG_ERROR @@ -763,8 +765,9 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) #ifdef SLIC_USER_REQUEST_DUMP_ENABLED case SIOCSLICDUMPCARD: { - p_adapter_t adapter = (p_adapter_t) dev->priv; - p_sliccard_t card; + struct adapter *adapter = (struct adapter *) + dev->priv; + struct sliccard *card; ASSERT(adapter); ASSERT(adapter->card) @@ -833,7 +836,8 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) #if SLIC_ETHTOOL_SUPPORT case SIOCETHTOOL: { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct adapter *adapter = (struct adapter *) + netdev_priv(dev); struct ethtool_cmd data; struct ethtool_cmd ecmd; @@ -892,8 +896,8 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) data.maxrxpkt = 1; if ((ecmd.speed != data.speed) || (ecmd.duplex != data.duplex)) { - ulong32 speed; - ulong32 duplex; + u32 speed; + u32 duplex; if (ecmd.speed == SPEED_10) { speed = 0; @@ -935,10 +939,10 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) #define XMIT_FAIL_ZERO_LENGTH 2 #define XMIT_FAIL_HOSTCMD_FAIL 3 -static void slic_xmit_build_request(p_adapter_t adapter, - p_slic_hostcmd_t hcmd, struct sk_buff *skb) +static void slic_xmit_build_request(struct adapter *adapter, + struct slic_hostcmd *hcmd, struct sk_buff *skb) { - p_slic_host64_cmd_t ihcmd; + struct slic_host64_cmd *ihcmd; ulong phys_addr; ihcmd = &hcmd->cmd64; @@ -946,16 +950,17 @@ static void slic_xmit_build_request(p_adapter_t adapter, ihcmd->flags = (adapter->port << IHFLG_IFSHFT); ihcmd->command = IHCMD_XMT_REQ; ihcmd->u.slic_buffers.totlen = skb->len; - phys_addr = SLIC_GET_DMA_ADDRESS_WRITE(adapter, skb->data, skb->len); + phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, + PCI_DMA_TODEVICE); ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr); ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr); ihcmd->u.slic_buffers.bufs[0].length = skb->len; #if defined(CONFIG_X86_64) - hcmd->cmdsize = (ulong32) ((((ulong64)&ihcmd->u.slic_buffers.bufs[1] - - (ulong64) hcmd) + 31) >> 5); + hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] - + (u64) hcmd) + 31) >> 5); #elif defined(CONFIG_X86) - hcmd->cmdsize = ((((ulong32) &ihcmd->u.slic_buffers.bufs[1] - - (ulong32) hcmd) + 31) >> 5); + hcmd->cmdsize = ((((u32) &ihcmd->u.slic_buffers.bufs[1] - + (u32) hcmd) + 31) >> 5); #else Stop Compilation; #endif @@ -963,14 +968,14 @@ static void slic_xmit_build_request(p_adapter_t adapter, #define NORMAL_ETHFRAME 0 -int slic_xmit_start(struct sk_buff *skb, struct net_device *dev) +static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev) { - p_sliccard_t card; - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - p_slic_hostcmd_t hcmd = NULL; - ulong32 status = 0; - ulong32 skbtype = NORMAL_ETHFRAME; - pvoid offloadcmd = NULL; + struct sliccard *card; + struct adapter *adapter = (struct adapter *)netdev_priv(dev); + struct slic_hostcmd *hcmd = NULL; + u32 status = 0; + u32 skbtype = NORMAL_ETHFRAME; + void *offloadcmd = NULL; card = adapter->card; ASSERT(card); @@ -1035,9 +1040,9 @@ xmit_fail: goto xmit_done; } -void slic_xmit_fail(p_adapter_t adapter, +static void slic_xmit_fail(struct adapter *adapter, struct sk_buff *skb, - pvoid cmd, ulong32 skbtype, ulong32 status) + void *cmd, u32 skbtype, u32 status) { if (adapter->xmitq_full) slic_if_stop_queue(adapter); @@ -1072,31 +1077,10 @@ void slic_xmit_fail(p_adapter_t adapter, adapter->stats.tx_dropped++; } -void slic_xmit_timeout(struct net_device *dev) -{ - p_sliccard_t card; - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - ulong32 i; - - ASSERT(adapter); - card = adapter->card; - ASSERT(card); - for (i = 0; i < card->card_size; i++) { - if (card->adapter[i]) - slic_if_stop_queue(card->adapter[i]); - } - if (!card->reset_in_progress) { - DBG_ERROR - ("%s card[%p] state[%x] adapter[%p] port[%d] state[%x]\n", - __func__, card, card->state, adapter, adapter->port, - adapter->state); - slic_card_reset(adapter); - } -} - -void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) +static void slic_rcv_handle_error(struct adapter *adapter, + struct slic_rcvbuf *rcvbuf) { - p_slic_hddr_wds hdr = (p_slic_hddr_wds) rcvbuf->data; + struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data; if (adapter->devid != SLIC_1GB_DEVICE_ID) { if (hdr->frame_status14 & VRHSTAT_802OE) @@ -1141,7 +1125,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) adapter->if_events.IpHlen++; } else { if (hdr->frame_statusGB & VGBSTAT_XPERR) { - ulong32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; + u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT; if (xerr == VGBSTAT_XCSERR) adapter->if_events.TpCsum++; @@ -1151,7 +1135,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) adapter->if_events.TpHlen++; } if (hdr->frame_statusGB & VGBSTAT_NETERR) { - ulong32 nerr = + u32 nerr = (hdr-> frame_statusGB >> VGBSTAT_NERRSHFT) & VGBSTAT_NERRMSK; @@ -1163,7 +1147,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) adapter->if_events.IpHlen++; } if (hdr->frame_statusGB & VGBSTAT_LNKERR) { - ulong32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; + u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK; if (lerr == VGBSTAT_LDEARLY) adapter->if_events.rcvearly++; @@ -1187,17 +1171,17 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf) #define TCP_OFFLOAD_FRAME_PUSHFLAG 0x10000000 #define M_FAST_PATH 0x0040 -void slic_rcv_handler(p_adapter_t adapter) +static void slic_rcv_handler(struct adapter *adapter) { struct sk_buff *skb; - p_slic_rcvbuf_t rcvbuf; - ulong32 frames = 0; + struct slic_rcvbuf *rcvbuf; + u32 frames = 0; while ((skb = slic_rcvqueue_getnext(adapter))) { - ulong32 rx_bytes; + u32 rx_bytes; ASSERT(skb->head); - rcvbuf = (p_slic_rcvbuf_t) skb->head; + rcvbuf = (struct slic_rcvbuf *)skb->head; adapter->card->events++; if (rcvbuf->status & IRHDDR_ERR) { adapter->rx_errors++; @@ -1206,7 +1190,8 @@ void slic_rcv_handler(p_adapter_t adapter) continue; } - if (!slic_mac_filter(adapter, (p_ether_header) rcvbuf->data)) { + if (!slic_mac_filter(adapter, (struct ether_header *) + rcvbuf->data)) { #if 0 DBG_MSG ("slicoss: %s (%s) drop frame due to mac filter\n", @@ -1239,12 +1224,12 @@ void slic_rcv_handler(p_adapter_t adapter) adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames); } -void slic_xmit_complete(p_adapter_t adapter) +static void slic_xmit_complete(struct adapter *adapter) { - p_slic_hostcmd_t hcmd; - p_slic_rspbuf_t rspbuf; - ulong32 frames = 0; - slic_handle_word_t slic_handle_word; + struct slic_hostcmd *hcmd; + struct slic_rspbuf *rspbuf; + u32 frames = 0; + struct slic_handle_word slic_handle_word; do { rspbuf = slic_rspqueue_getnext(adapter); @@ -1259,10 +1244,10 @@ void slic_xmit_complete(p_adapter_t adapter) ASSERT(slic_handle_word.handle_index); ASSERT(slic_handle_word.handle_index <= SLIC_CMDQ_MAXCMDS); hcmd = - (p_slic_hostcmd_t) adapter->slic_handles[slic_handle_word. - handle_index]. - address; -/* hcmd = (p_slic_hostcmd_t) rspbuf->hosthandle; */ + (struct slic_hostcmd *) + adapter->slic_handles[slic_handle_word.handle_index]. + address; +/* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */ ASSERT(hcmd); ASSERT(hcmd->pslic_handle == &adapter->slic_handles[slic_handle_word.handle_index]); @@ -1286,9 +1271,9 @@ void slic_xmit_complete(p_adapter_t adapter) static irqreturn_t slic_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); - ulong32 isr; + struct net_device *dev = (struct net_device *)dev_id; + struct adapter *adapter = (struct adapter *)netdev_priv(dev); + u32 isr; if ((adapter->pshmem) && (adapter->pshmem->isr)) { WRITE_REG(adapter->slic_regs->slic_icr, ICR_INT_MASK, FLUSH); @@ -1305,7 +1290,7 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id) int pre_count; int errors; - p_slic_rcvqueue_t rcvq = + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; adapter-> @@ -1400,17 +1385,17 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id) * will also complete asynchronously. * */ -void slic_link_event_handler(p_adapter_t adapter) +static void slic_link_event_handler(struct adapter *adapter) { int status; - p_slic_shmem_t pshmem; + struct slic_shmem *pshmem; if (adapter->state != ADAPT_UP) { /* Adapter is not operational. Ignore. */ return; } - pshmem = (p_slic_shmem_t) adapter->phys_shmem; + pshmem = (struct slic_shmem *)adapter->phys_shmem; #if defined(CONFIG_X86_64) /* @@ -1425,7 +1410,7 @@ void slic_link_event_handler(p_adapter_t adapter) 0, 0); #elif defined(CONFIG_X86) status = slic_upr_request(adapter, SLIC_UPR_RLSR, - (ulong32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */ + (u32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */ 0, 0, 0); #else Stop compilation; @@ -1433,7 +1418,7 @@ void slic_link_event_handler(p_adapter_t adapter) ASSERT((status == STATUS_SUCCESS) || (status == STATUS_PENDING)); } -void slic_init_cleanup(p_adapter_t adapter) +static void slic_init_cleanup(struct adapter *adapter) { DBG_MSG("slicoss: %s ENTER adapter[%p] ", __func__, adapter); if (adapter->intrregistered) { @@ -1445,9 +1430,9 @@ void slic_init_cleanup(p_adapter_t adapter) if (adapter->pshmem) { DBG_MSG("FREE_SHMEM "); DBG_MSG("adapter[%p] port %d pshmem[%p] FreeShmem ", - adapter, adapter->port, (pvoid) adapter->pshmem); + adapter, adapter->port, (void *) adapter->pshmem); pci_free_consistent(adapter->pcidev, - sizeof(slic_shmem_t), + sizeof(struct slic_shmem *), adapter->pshmem, adapter->phys_shmem); adapter->pshmem = NULL; adapter->phys_shmem = (dma_addr_t) NULL; @@ -1475,9 +1460,9 @@ void slic_init_cleanup(p_adapter_t adapter) } #if SLIC_GET_STATS_ENABLED -struct net_device_stats *slic_get_stats(struct net_device *dev) +static struct net_device_stats *slic_get_stats(struct net_device *dev) { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct adapter *adapter = (struct adapter *)netdev_priv(dev); struct net_device_stats *stats; ASSERT(adapter); @@ -1500,10 +1485,10 @@ struct net_device_stats *slic_get_stats(struct net_device *dev) * Allocate a mcast_address structure to hold the multicast address. * Link it in. */ -int slic_mcast_add_list(p_adapter_t adapter, pchar address) +static int slic_mcast_add_list(struct adapter *adapter, char *address) { - p_mcast_address_t mcaddr, mlist; - boolean equaladdr; + struct mcast_address *mcaddr, *mlist; + bool equaladdr; /* Check to see if it already exists */ mlist = adapter->mcastaddrs; @@ -1515,7 +1500,7 @@ int slic_mcast_add_list(p_adapter_t adapter, pchar address) } /* Doesn't already exist. Allocate a structure to hold it */ - mcaddr = SLIC_ALLOCATE_MEM(sizeof(mcast_address_t), GFP_ATOMIC); + mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC); if (mcaddr == NULL) return 1; @@ -1545,10 +1530,10 @@ static u32 slic_crc_init; /* Is table initialized */ /* * Contruct the CRC32 table */ -void slic_mcast_init_crc32(void) +static void slic_mcast_init_crc32(void) { - ulong32 c; /* CRC shit reg */ - ulong32 e = 0; /* Poly X-or pattern */ + u32 c; /* CRC shit reg */ + u32 e = 0; /* Poly X-or pattern */ int i; /* counter */ int k; /* byte being shifted into crc */ @@ -1568,12 +1553,12 @@ void slic_mcast_init_crc32(void) /* * Return the MAC hast as described above. */ -uchar slic_mcast_get_mac_hash(pchar macaddr) +static unsigned char slic_mcast_get_mac_hash(char *macaddr) { - ulong32 crc; - pchar p; + u32 crc; + char *p; int i; - uchar machash = 0; + unsigned char machash = 0; if (!slic_crc_init) { slic_mcast_init_crc32(); @@ -1591,9 +1576,9 @@ uchar slic_mcast_get_mac_hash(pchar macaddr) return machash; } -void slic_mcast_set_bit(p_adapter_t adapter, pchar address) +static void slic_mcast_set_bit(struct adapter *adapter, char *address) { - uchar crcpoly; + unsigned char crcpoly; /* Get the CRC polynomial for the mac address */ crcpoly = slic_mcast_get_mac_hash(address); @@ -1604,22 +1589,22 @@ void slic_mcast_set_bit(p_adapter_t adapter, pchar address) crcpoly &= 0x3F; /* OR in the new bit into our 64 bit mask. */ - adapter->mcastmask |= (ulong64) 1 << crcpoly; + adapter->mcastmask |= (u64) 1 << crcpoly; } -void slic_mcast_set_list(struct net_device *dev) +static void slic_mcast_set_list(struct net_device *dev) { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct adapter *adapter = (struct adapter *)netdev_priv(dev); int status = STATUS_SUCCESS; int i; - pchar addresses; + char *addresses; struct dev_mc_list *mc_list = dev->mc_list; int mc_count = dev->mc_count; ASSERT(adapter); for (i = 1; i <= mc_count; i++) { - addresses = (pchar) &mc_list->dmi_addr; + addresses = (char *) &mc_list->dmi_addr; if (mc_list->dmi_addrlen == 6) { status = slic_mcast_add_list(adapter, addresses); if (status != STATUS_SUCCESS) @@ -1657,9 +1642,9 @@ void slic_mcast_set_list(struct net_device *dev) return; } -void slic_mcast_set_mask(p_adapter_t adapter) +static void slic_mcast_set_mask(struct adapter *adapter) { - p_slic_regs_t slic_regs = adapter->slic_regs; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; DBG_MSG("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__, adapter->netdev->name, (uint) adapter->macopts, @@ -1687,20 +1672,20 @@ void slic_mcast_set_mask(p_adapter_t adapter) ((ulong) ((adapter->mcastmask >> 32) & 0xFFFFFFFF))); WRITE_REG(slic_regs->slic_mcastlow, - (ulong32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH); + (u32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH); WRITE_REG(slic_regs->slic_mcasthigh, - (ulong32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF), + (u32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF), FLUSH); } } -void slic_timer_ping(ulong dev) +static void slic_timer_ping(ulong dev) { - p_adapter_t adapter; - p_sliccard_t card; + struct adapter *adapter; + struct sliccard *card; ASSERT(dev); - adapter = (p_adapter_t) ((struct net_device *) dev)->priv; + adapter = (struct adapter *)((struct net_device *) dev)->priv; ASSERT(adapter); card = adapter->card; ASSERT(card); @@ -1741,12 +1726,12 @@ void slic_timer_ping(ulong dev) add_timer(&adapter->pingtimer); } -void slic_if_stop_queue(p_adapter_t adapter) +static void slic_if_stop_queue(struct adapter *adapter) { netif_stop_queue(adapter->netdev); } -void slic_if_start_queue(p_adapter_t adapter) +static void slic_if_start_queue(struct adapter *adapter) { netif_start_queue(adapter->netdev); } @@ -1757,12 +1742,12 @@ void slic_if_start_queue(p_adapter_t adapter) * Perform initialization of our slic interface. * */ -int slic_if_init(p_adapter_t adapter) +static int slic_if_init(struct adapter *adapter) { - p_sliccard_t card = adapter->card; + struct sliccard *card = adapter->card; struct net_device *dev = adapter->netdev; - p_slic_regs_t slic_regs = adapter->slic_regs; - p_slic_shmem_t pshmem; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; + struct slic_shmem *pshmem; int status = 0; ASSERT(card); @@ -1829,12 +1814,13 @@ int slic_if_init(p_adapter_t adapter) DBG_MSG("slicoss: %s disable interrupts(slic)\n", __func__); WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); - slic_stall_msec(1); + mdelay(1); if (!adapter->isp_initialized) { - pshmem = (p_slic_shmem_t) adapter->phys_shmem; + pshmem = (struct slic_shmem *)adapter->phys_shmem; - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_lock_irqsave(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); #if defined(CONFIG_X86_64) WRITE_REG(slic_regs->slic_addr_upper, @@ -1842,12 +1828,13 @@ int slic_if_init(p_adapter_t adapter) WRITE_REG(slic_regs->slic_isp, SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); #elif defined(CONFIG_X86) - WRITE_REG(slic_regs->slic_addr_upper, (ulong32) 0, DONT_FLUSH); - WRITE_REG(slic_regs->slic_isp, (ulong32) &pshmem->isr, FLUSH); + WRITE_REG(slic_regs->slic_addr_upper, (u32) 0, DONT_FLUSH); + WRITE_REG(slic_regs->slic_isp, (u32) &pshmem->isr, FLUSH); #else Stop Compilations #endif - SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_unlock_irqrestore(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); adapter->isp_initialized = 1; } @@ -1908,7 +1895,7 @@ int slic_if_init(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_unmap_mmio_space(p_adapter_t adapter) +static void slic_unmap_mmio_space(struct adapter *adapter) { #if LINUX_FREES_ADAPTER_RESOURCES if (adapter->slic_regs) @@ -1917,7 +1904,7 @@ void slic_unmap_mmio_space(p_adapter_t adapter) #endif } -int slic_adapter_allocresources(p_adapter_t adapter) +static int slic_adapter_allocresources(struct adapter *adapter) { if (!adapter->intrregistered) { int retval; @@ -1929,14 +1916,16 @@ int slic_adapter_allocresources(p_adapter_t adapter) (void *)adapter->phys_shmem, adapter->netdev->irq, NR_IRQS); - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_unlock_irqrestore(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); retval = request_irq(adapter->netdev->irq, &slic_interrupt, IRQF_SHARED, adapter->netdev->name, adapter->netdev); - SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); + spin_lock_irqsave(&slic_global.driver_lock.lock, + slic_global.driver_lock.flags); if (retval) { DBG_ERROR("slicoss: request_irq (%s) FAILED [%x]\n", @@ -1953,7 +1942,7 @@ int slic_adapter_allocresources(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_config_pci(struct pci_dev *pcidev) +static void slic_config_pci(struct pci_dev *pcidev) { u16 pci_command; u16 new_command; @@ -1972,11 +1961,11 @@ void slic_config_pci(struct pci_dev *pcidev) } } -void slic_adapter_freeresources(p_adapter_t adapter) +static void slic_adapter_freeresources(struct adapter *adapter) { DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); slic_init_cleanup(adapter); - SLIC_ZERO_MEMORY(&adapter->stats, sizeof(struct net_device_stats)); + memset(&adapter->stats, 0, sizeof(struct net_device_stats)); adapter->error_interrupts = 0; adapter->rcv_interrupts = 0; adapter->xmit_interrupts = 0; @@ -1996,14 +1985,14 @@ void slic_adapter_freeresources(p_adapter_t adapter) * Write phy control to configure link duplex/speed * */ -void slic_link_config(p_adapter_t adapter, - ulong32 linkspeed, ulong32 linkduplex) +static void slic_link_config(struct adapter *adapter, + u32 linkspeed, u32 linkduplex) { - ulong32 speed; - ulong32 duplex; - ulong32 phy_config; - ulong32 phy_advreg; - ulong32 phy_gctlreg; + u32 speed; + u32 duplex; + u32 phy_config; + u32 phy_advreg; + u32 phy_gctlreg; if (adapter->state != ADAPT_UP) { DBG_MSG @@ -2052,7 +2041,7 @@ void slic_link_config(p_adapter_t adapter, phy_config, FLUSH); /* wait, Marvell says 1 sec, try to get away with 10 ms */ - slic_stall_msec(10); + mdelay(10); /* disable auto-neg, set speed/duplex, soft reset phy, powerup */ @@ -2140,7 +2129,7 @@ void slic_link_config(p_adapter_t adapter, WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, FLUSH); /* wait, Marvell says 1 sec, try to get away with 10 ms */ - slic_stall_msec(10); + mdelay(10); if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) { /* if a Marvell PHY @@ -2164,24 +2153,24 @@ void slic_link_config(p_adapter_t adapter, phy_config); } -void slic_card_cleanup(p_sliccard_t card) +static void slic_card_cleanup(struct sliccard *card) { DBG_MSG("slicoss: %s ENTER\n", __func__); #if SLIC_DUMP_ENABLED if (card->dumpbuffer) { - SLIC_DEALLOCATE_MEM(card->dumpbuffer); - card->dumpbuffer = NULL; card->dumpbuffer_phys = 0; card->dumpbuffer_physl = 0; card->dumpbuffer_physh = 0; + kfree(card->dumpbuffer); + card->dumpbuffer = NULL; } if (card->cmdbuffer) { - SLIC_DEALLOCATE_MEM(card->cmdbuffer); - card->cmdbuffer = NULL; card->cmdbuffer_phys = 0; card->cmdbuffer_physl = 0; card->cmdbuffer_physh = 0; + kfree(card->cmdbuffer); + card->cmdbuffer = NULL; } #endif @@ -2192,24 +2181,24 @@ void slic_card_cleanup(p_sliccard_t card) slic_debug_card_destroy(card); - SLIC_DEALLOCATE_MEM(card); + kfree(card); DBG_MSG("slicoss: %s EXIT\n", __func__); } -static int slic_card_download_gbrcv(p_adapter_t adapter) +static int slic_card_download_gbrcv(struct adapter *adapter) { - p_slic_regs_t slic_regs = adapter->slic_regs; - ulong32 codeaddr; - puchar instruction = NULL; - ulong32 rcvucodelen = 0; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; + u32 codeaddr; + unsigned char *instruction = NULL; + u32 rcvucodelen = 0; switch (adapter->devid) { case SLIC_2GB_DEVICE_ID: - instruction = (puchar) &OasisRcvUCode[0]; + instruction = (unsigned char *)&OasisRcvUCode[0]; rcvucodelen = OasisRcvUCodeLen; break; case SLIC_1GB_DEVICE_ID: - instruction = (puchar) &GBRcvUCode[0]; + instruction = (unsigned char *)&GBRcvUCode[0]; rcvucodelen = GBRcvUCodeLen; break; default: @@ -2227,11 +2216,11 @@ static int slic_card_download_gbrcv(p_adapter_t adapter) /* write out the instruction data low addr */ WRITE_REG(slic_regs->slic_rcv_wcs, - (ulong32) *(pulong32) instruction, FLUSH); + (u32) *(u32 *) instruction, FLUSH); instruction += 4; /* write out the instruction data high addr */ - WRITE_REG(slic_regs->slic_rcv_wcs, (ulong32) *instruction, + WRITE_REG(slic_regs->slic_rcv_wcs, (u32) *instruction, FLUSH); instruction += 1; } @@ -2242,22 +2231,22 @@ static int slic_card_download_gbrcv(p_adapter_t adapter) return 0; } -int slic_card_download(p_adapter_t adapter) +static int slic_card_download(struct adapter *adapter) { - ulong32 section; + u32 section; int thissectionsize; int codeaddr; - p_slic_regs_t slic_regs = adapter->slic_regs; - ulong32 *instruction = NULL; - ulong32 *lastinstruct = NULL; - ulong32 *startinstruct = NULL; - puchar nextinstruct; - ulong32 baseaddress; - ulong32 failure; - ulong32 i; - ulong32 numsects = 0; - ulong32 sectsize[3]; - ulong32 sectstart[3]; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; + u32 *instruction = NULL; + u32 *lastinstruct = NULL; + u32 *startinstruct = NULL; + unsigned char *nextinstruct; + u32 baseaddress; + u32 failure; + u32 i; + u32 numsects = 0; + u32 sectsize[3]; + u32 sectstart[3]; /* DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x] \ jiffies[%lx] cpu %d\n", __func__, adapter->netdev->name, adapter, @@ -2292,19 +2281,19 @@ int slic_card_download(p_adapter_t adapter) for (section = 0; section < numsects; section++) { switch (adapter->devid) { case SLIC_2GB_DEVICE_ID: - instruction = (pulong32) &OasisUCode[section][0]; + instruction = (u32 *) &OasisUCode[section][0]; baseaddress = sectstart[section]; thissectionsize = sectsize[section] >> 3; lastinstruct = - (pulong32) &OasisUCode[section][sectsize[section] - + (u32 *) &OasisUCode[section][sectsize[section] - 8]; break; case SLIC_1GB_DEVICE_ID: - instruction = (pulong32) &MojaveUCode[section][0]; + instruction = (u32 *) &MojaveUCode[section][0]; baseaddress = sectstart[section]; thissectionsize = sectsize[section] >> 3; lastinstruct = - (pulong32) &MojaveUCode[section][sectsize[section] + (u32 *) &MojaveUCode[section][sectsize[section] - 8]; break; default: @@ -2317,21 +2306,21 @@ int slic_card_download(p_adapter_t adapter) for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) { startinstruct = instruction; - nextinstruct = ((puchar) instruction) + 8; + nextinstruct = ((unsigned char *)instruction) + 8; /* Write out instruction address */ WRITE_REG(slic_regs->slic_wcs, baseaddress + codeaddr, FLUSH); /* Write out instruction to low addr */ WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); #ifdef CONFIG_X86_64 - instruction = (pulong32) ((puchar) instruction + 4); + instruction = (u32 *)((unsigned char *)instruction + 4); #else instruction++; #endif /* Write out instruction to high addr */ WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); #ifdef CONFIG_X86_64 - instruction = (pulong32) ((puchar) instruction + 4); + instruction = (u32 *)((unsigned char *)instruction + 4); #else instruction++; #endif @@ -2341,10 +2330,10 @@ int slic_card_download(p_adapter_t adapter) for (section = 0; section < numsects; section++) { switch (adapter->devid) { case SLIC_2GB_DEVICE_ID: - instruction = (pulong32) &OasisUCode[section][0]; + instruction = (u32 *)&OasisUCode[section][0]; break; case SLIC_1GB_DEVICE_ID: - instruction = (pulong32) &MojaveUCode[section][0]; + instruction = (u32 *)&MojaveUCode[section][0]; break; default: ASSERT(0); @@ -2367,19 +2356,19 @@ int slic_card_download(p_adapter_t adapter) /* Write out instruction to low addr */ WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); #ifdef CONFIG_X86_64 - instruction = (pulong32) ((puchar) instruction + 4); + instruction = (u32 *)((unsigned char *)instruction + 4); #else instruction++; #endif /* Write out instruction to high addr */ WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH); #ifdef CONFIG_X86_64 - instruction = (pulong32) ((puchar) instruction + 4); + instruction = (u32 *)((unsigned char *)instruction + 4); #else instruction++; #endif /* Check SRAM location zero. If it is non-zero. Abort.*/ - failure = READ_REG(slic_regs->slic_reset, 0); + failure = readl((u32 __iomem *)&slic_regs->slic_reset); if (failure) { DBG_MSG ("slicoss: %s FAILURE EXIT codeaddr[%x] \ @@ -2394,12 +2383,12 @@ int slic_card_download(p_adapter_t adapter) /* DBG_MSG ("slicoss: Compare done\n");*/ /* Everything OK, kick off the card */ - slic_stall_msec(10); + mdelay(10); WRITE_REG(slic_regs->slic_wcs, SLIC_WCS_START, FLUSH); /* stall for 20 ms, long enough for ucode to init card and reach mainloop */ - slic_stall_msec(20); + mdelay(20); DBG_MSG("slicoss: %s (%s) EXIT adapter[%p] card[%p]\n", __func__, adapter->netdev->name, adapter, adapter->card); @@ -2407,9 +2396,9 @@ int slic_card_download(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_adapter_set_hwaddr(p_adapter_t adapter) +static void slic_adapter_set_hwaddr(struct adapter *adapter) { - p_sliccard_t card = adapter->card; + struct sliccard *card = adapter->card; /* DBG_MSG ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__, card->config_set, adapter->port, adapter->physport, @@ -2420,7 +2409,7 @@ void slic_adapter_set_hwaddr(p_adapter_t adapter) if ((adapter->card) && (card->config_set)) { memcpy(adapter->macaddr, card->config.MacInfo[adapter->functionnumber].macaddrA, - sizeof(slic_config_mac_t)); + sizeof(struct slic_config_mac)); /* DBG_MSG ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__); slic_dbg_macaddrs(adapter);*/ @@ -2438,53 +2427,35 @@ void slic_adapter_set_hwaddr(p_adapter_t adapter) slic_dbg_macaddrs(adapter); */ } -void slic_card_halt(p_sliccard_t card, p_adapter_t adapter) +static void slic_intagg_set(struct adapter *adapter, u32 value) { - p_slic_regs_t slic_regs = adapter->slic_regs; - - DBG_MSG("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x]\n", - __func__, card, adapter, card->state); - WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); - adapter->all_reg_writes++; - adapter->icr_reg_writes++; - slic_config_clear(adapter); - WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH); - slic_soft_reset(adapter); - DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n", - __func__, card, adapter, card->state); - return; - -} - -void slic_intagg_set(p_adapter_t adapter, ulong32 value) -{ - p_slic_regs_t slic_regs = adapter->slic_regs; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; WRITE_REG(slic_regs->slic_intagg, value, FLUSH); adapter->card->loadlevel_current = value; } -int slic_card_init(p_sliccard_t card, p_adapter_t adapter) +static int slic_card_init(struct sliccard *card, struct adapter *adapter) { - p_slic_regs_t slic_regs = adapter->slic_regs; - pslic_eeprom_t peeprom; - poslic_eeprom_t pOeeprom; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; + struct slic_eeprom *peeprom; + struct oslic_eeprom *pOeeprom; dma_addr_t phys_config; - ulong32 phys_configh; - ulong32 phys_configl; - ulong32 i = 0; - p_slic_shmem_t pshmem; + u32 phys_configh; + u32 phys_configl; + u32 i = 0; + struct slic_shmem *pshmem; int status; uint macaddrs = card->card_size; ushort eecodesize; ushort dramsize; ushort ee_chksum; ushort calc_chksum; - pslic_config_mac_t pmac; - uchar fruformat; - uchar oemfruformat; - patk_fru_t patkfru; - poemfru_t poemfru; + struct slic_config_mac *pmac; + unsigned char fruformat; + unsigned char oemfruformat; + struct atk_fru *patkfru; + union oemfru_t *poemfru; DBG_MSG ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \ @@ -2505,7 +2476,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) if (!card->config_set) { peeprom = pci_alloc_consistent(adapter->pcidev, - sizeof(slic_eeprom_t), + sizeof(struct slic_eeprom), &phys_config); phys_configl = SLIC_GET_ADDR_LOW(phys_config); @@ -2515,8 +2486,9 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) "size [%x]\n peeprom [%p]\n " "phys_config [%p]\n phys_configl[%x]\n " "phys_configh[%x]\n", - __func__, adapter, (ulong32) sizeof(slic_eeprom_t), - peeprom, (pvoid) phys_config, phys_configl, + __func__, adapter, + (u32)sizeof(struct slic_eeprom), + peeprom, (void *) phys_config, phys_configl, phys_configh); if (!peeprom) { DBG_ERROR @@ -2526,17 +2498,19 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) (uint) adapter->slotnumber); return -ENOMEM; } else { - SLIC_ZERO_MEMORY(peeprom, sizeof(slic_eeprom_t)); + memset(peeprom, 0, sizeof(struct slic_eeprom)); } WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH); - slic_stall_msec(1); - pshmem = (p_slic_shmem_t) adapter->phys_shmem; + mdelay(1); + pshmem = (struct slic_shmem *)adapter->phys_shmem; - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_lock_irqsave(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); WRITE_REG(slic_regs->slic_addr_upper, 0, DONT_FLUSH); WRITE_REG(slic_regs->slic_isp, SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock); + spin_unlock_irqrestore(&adapter->bit64reglock.lock, + adapter->bit64reglock.flags); slic_config_get(adapter, phys_configl, phys_configh); @@ -2564,7 +2538,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) FLUSH); } } else { - slic_stall_msec(1); + mdelay(1); i++; if (i > 5000) { DBG_ERROR @@ -2586,7 +2560,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) /* Oasis card */ case SLIC_2GB_DEVICE_ID: /* extract EEPROM data and pointers to EEPROM data */ - pOeeprom = (poslic_eeprom_t) peeprom; + pOeeprom = (struct oslic_eeprom *) peeprom; eecodesize = pOeeprom->EecodeSize; dramsize = pOeeprom->DramSize; pmac = pOeeprom->MacInfo; @@ -2619,12 +2593,12 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) (eecodesize >= MIN_EECODE_SIZE)) { ee_chksum = - *(pushort) ((pchar) peeprom + (eecodesize - 2)); + *(u16 *) ((char *) peeprom + (eecodesize - 2)); /* calculate the EEPROM checksum */ calc_chksum = - ~slic_eeprom_cksum((pchar) peeprom, + ~slic_eeprom_cksum((char *) peeprom, (eecodesize - 2)); /* if the ucdoe chksum flag bit worked, @@ -2639,24 +2613,25 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) /* copy in the MAC address(es) */ for (i = 0; i < macaddrs; i++) { memcpy(&card->config.MacInfo[i], - &pmac[i], sizeof(slic_config_mac_t)); + &pmac[i], sizeof(struct slic_config_mac)); } /* DBG_MSG ("%s EEPROM Checksum Good? %d MacAddress\n",__func__, card->config.EepromValid); */ /* copy the Alacritech FRU information */ card->config.FruFormat = fruformat; - memcpy(&card->config.AtkFru, patkfru, sizeof(atk_fru_t)); + memcpy(&card->config.AtkFru, patkfru, + sizeof(struct atk_fru)); pci_free_consistent(adapter->pcidev, - sizeof(slic_eeprom_t), + sizeof(struct slic_eeprom), peeprom, phys_config); DBG_MSG ("slicoss: %s adapter%d [%p] size[%x] FREE peeprom[%p] \ phys_config[%p]\n", __func__, adapter->port, adapter, - (ulong32) sizeof(slic_eeprom_t), peeprom, - (pvoid) phys_config); + (u32) sizeof(struct slic_eeprom), peeprom, + (void *) phys_config); if ((!card->config.EepromValid) && (adapter->reg_params.fail_on_bad_eeprom)) { @@ -2698,8 +2673,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) #if SLIC_DUMP_ENABLED if (!card->dumpbuffer) { - card->dumpbuffer = - SLIC_ALLOCATE_MEM(DUMP_PAGE_SIZE, GFP_ATOMIC); + card->dumpbuffer = kmalloc(DUMP_PAGE_SIZE, GFP_ATOMIC); ASSERT(card->dumpbuffer); if (card->dumpbuffer == NULL) @@ -2709,8 +2683,8 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) * Smear the shared memory structure and then obtain * the PHYSICAL address of this structure */ - SLIC_ZERO_MEMORY(card->dumpbuffer, DUMP_PAGE_SIZE); - card->dumpbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->dumpbuffer); + memset(card->dumpbuffer, 0, DUMP_PAGE_SIZE); + card->dumpbuffer_phys = virt_to_bus(card->dumpbuffer); card->dumpbuffer_physh = SLIC_GET_ADDR_HIGH(card->dumpbuffer_phys); card->dumpbuffer_physl = SLIC_GET_ADDR_LOW(card->dumpbuffer_phys); @@ -2718,8 +2692,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) * Allocate COMMAND BUFFER */ if (!card->cmdbuffer) { - card->cmdbuffer = - SLIC_ALLOCATE_MEM(sizeof(dump_cmd_t), GFP_ATOMIC); + card->cmdbuffer = kmalloc(sizeof(dump_cmd_t), GFP_ATOMIC); ASSERT(card->cmdbuffer); if (card->cmdbuffer == NULL) @@ -2729,8 +2702,8 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) * Smear the shared memory structure and then obtain * the PHYSICAL address of this structure */ - SLIC_ZERO_MEMORY(card->cmdbuffer, sizeof(dump_cmd_t)); - card->cmdbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->cmdbuffer); + memset(card->cmdbuffer, 0, sizeof(dump_cmd_t)); + card->cmdbuffer_phys = virt_to_bus(card->cmdbuffer); card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys); card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys); #endif @@ -2746,10 +2719,10 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter) return STATUS_SUCCESS; } -ulong32 slic_card_locate(p_adapter_t adapter) +static u32 slic_card_locate(struct adapter *adapter) { - p_sliccard_t card = slic_global.slic_card; - p_physcard_t physcard = slic_global.phys_card; + struct sliccard *card = slic_global.slic_card; + struct physcard *physcard = slic_global.phys_card; ushort card_hostid; u16 __iomem *hostid_reg; uint i; @@ -2777,13 +2750,12 @@ ulong32 slic_card_locate(p_adapter_t adapter) DBG_MSG("slicoss: %s *hostid_reg[%p] == ", __func__, hostid_reg); /* read the 16 bit hostid from SRAM */ -/* card_hostid = READ_REGP16(hostid_reg, 0);*/ card_hostid = (ushort) readw(hostid_reg); DBG_MSG(" card_hostid[%x]\n", card_hostid); /* Initialize a new card structure if need be */ if (card_hostid == SLIC_HOSTID_DEFAULT) { - card = kzalloc(sizeof(sliccard_t), GFP_KERNEL); + card = kzalloc(sizeof(struct sliccard), GFP_KERNEL); if (card == NULL) return -ENOMEM; @@ -2861,11 +2833,9 @@ ulong32 slic_card_locate(p_adapter_t adapter) } if (!physcard) { /* no structure allocated for this physical card yet */ - physcard = - (p_physcard_t) SLIC_ALLOCATE_MEM(sizeof(physcard_t), - GFP_ATOMIC); + physcard = kmalloc(sizeof(struct physcard *), GFP_ATOMIC); ASSERT(physcard); - SLIC_ZERO_MEMORY(physcard, sizeof(physcard_t)); + memset(physcard, 0, sizeof(struct physcard *)); DBG_MSG ("\n%s Allocate a PHYSICALcard:\n PHYSICAL_Card[%p]\n\ @@ -2890,130 +2860,27 @@ ulong32 slic_card_locate(p_adapter_t adapter) return 0; } -void slic_card_remaster(p_adapter_t adapter) -{ - p_sliccard_t card = adapter->card; - int i; - - DBG_MSG("slicoss: %s card->master[%p] == adapter[%p]??\n", - __func__, card->master, adapter); - if (card->master != adapter) - return; - card->master = NULL; - for (i = 0; i < SLIC_MAX_PORTS; i++) { - if (card->adapter[i] && (card->adapter[i] != adapter)) { - card->master = card->adapter[i]; - DBG_MSG("slicoss: %s NEW MASTER SET card->master[%p]" - " == card->adapter[%d]\n", __func__, - card->master, i); - break; - } - } -} - -void slic_soft_reset(p_adapter_t adapter) +static void slic_soft_reset(struct adapter *adapter) { if (adapter->card->state == CARD_UP) { DBG_MSG("slicoss: %s QUIESCE adapter[%p] card[%p] devid[%x]\n", __func__, adapter, adapter->card, adapter->devid); WRITE_REG(adapter->slic_regs->slic_quiesce, 0, FLUSH); - slic_stall_msec(1); + mdelay(1); } /* DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x]\n", __func__, adapter->netdev->name, adapter, adapter->card, adapter->devid); */ WRITE_REG(adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, FLUSH); - slic_stall_msec(1); -} - -void slic_card_reset(p_adapter_t adapter) -{ - p_sliccard_t card = adapter->card; - p_slic_upr_t upr = adapter->upr_list; - p_slic_upr_t upr_next = NULL; - ulong32 i; -#if SLIC_FAILURE_RESET - ulong32 status = 0; -#endif - DBG_MSG - ("slicoss: %s adapter[%p] port[%d] state[%x] card[%p] state[%x]\n", - __func__, adapter, adapter->port, adapter->state, card, - card->state); - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->adapter_lock); - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->reset_lock); - if (card->state == CARD_DIAG) { - SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); - return; - } - SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock); - card->reset_in_progress = 1; -#if SLIC_FAILURE_RESET - if (adapter->state != ADAPT_RESET) { - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); - return; - } - - adapter->state = ADAPT_DOWN; - adapter->linkstate = LINK_DOWN; -#endif - if (adapter->gennumber == card->gennumber) { - for (i = 0; i < card->card_size; i++) { - if (card->adapter[i]) { - if (card->adapter[i] == adapter) - continue; - if (card->adapter[i]->state == ADAPT_UP) { - card->adapter[i]->state = ADAPT_RESET; - adapter->linkstate = LINK_DOWN; - } - } - } -#if SLIC_FAILURE_RESET - slic_soft_reset(adapter); - card->state = CARD_DOWN; - card->master = NULL; - card->adapters_activated = 0; -#endif - card->gennumber++; - } - adapter->gennumber = card->gennumber; - adapter->pshmem->isr = 0; - adapter->isrcopy = 0; - SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock); - for (i = 0; i < card->card_size; i++) { - if (card->adapter[i]) - slic_cmdq_reset(card->adapter[i]); - } - while (upr) { - upr_next = upr->next; - SLIC_DEALLOCATE_MEM(upr); - upr = upr_next; - } - adapter->upr_list = NULL; - adapter->upr_busy = 0; -#if SLIC_FAILURE_RESET - status = slic_if_init(adapter); - if ((status == 0) && (!card->master)) - card->master = adapter; - slic_mcast_set_mask(adapter); -#endif - SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock); - DBG_MSG - ("slicoss: %s EXIT adapter[%p] port[%d] state[%x] card[%p] \ - state[%x]\n", __func__, adapter, adapter->port, adapter->state, - card, card->state); - return; + mdelay(1); } -void slic_config_set(p_adapter_t adapter, boolean linkchange) +static void slic_config_set(struct adapter *adapter, bool linkchange) { - ulong32 value; - ulong32 RcrReset; - p_slic_regs_t slic_regs = adapter->slic_regs; + u32 value; + u32 RcrReset; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; DBG_MSG("slicoss: %s (%s) slic_interface_enable[%p](%d)\n", __func__, adapter->netdev->name, adapter, @@ -3075,11 +2942,11 @@ void slic_config_set(p_adapter_t adapter, boolean linkchange) /* * Turn off RCV and XMT, power down PHY */ -void slic_config_clear(p_adapter_t adapter) +static void slic_config_clear(struct adapter *adapter) { - ulong32 value; - ulong32 phy_config; - p_slic_regs_t slic_regs = adapter->slic_regs; + u32 value; + u32 phy_config; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; /* Setup xmtcfg */ value = (GXCR_RESET | /* Always reset */ @@ -3099,28 +2966,29 @@ void slic_config_clear(p_adapter_t adapter) WRITE_REG(slic_regs->slic_wphy, phy_config, FLUSH); } -void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 config_h) +static void slic_config_get(struct adapter *adapter, u32 config, + u32 config_h) { int status; status = slic_upr_request(adapter, SLIC_UPR_RCONFIG, - (ulong32) config, (ulong32) config_h, 0, 0); + (u32) config, (u32) config_h, 0, 0); ASSERT(status == 0); } -void slic_mac_address_config(p_adapter_t adapter) +static void slic_mac_address_config(struct adapter *adapter) { - ulong32 value; - ulong32 value2; - p_slic_regs_t slic_regs = adapter->slic_regs; + u32 value; + u32 value2; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; - value = *(pulong32) &adapter->currmacaddr[2]; + value = *(u32 *) &adapter->currmacaddr[2]; value = ntohl(value); WRITE_REG(slic_regs->slic_wraddral, value, FLUSH); WRITE_REG(slic_regs->slic_wraddrbl, value, FLUSH); - value2 = (ulong32) ((adapter->currmacaddr[0] << 8 | + value2 = (u32) ((adapter->currmacaddr[0] << 8 | adapter->currmacaddr[1]) & 0xFFFF); WRITE_REG(slic_regs->slic_wraddrah, value2, FLUSH); @@ -3136,10 +3004,10 @@ void slic_mac_address_config(p_adapter_t adapter) slic_mcast_set_mask(adapter); } -void slic_mac_config(p_adapter_t adapter) +static void slic_mac_config(struct adapter *adapter) { - ulong32 value; - p_slic_regs_t slic_regs = adapter->slic_regs; + u32 value; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; /* Setup GMAC gaps */ if (adapter->linkspeed == LINK_1000MB) { @@ -3169,12 +3037,13 @@ void slic_mac_config(p_adapter_t adapter) slic_mac_address_config(adapter); } -boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame) +static bool slic_mac_filter(struct adapter *adapter, + struct ether_header *ether_frame) { - ulong32 opts = adapter->macopts; - pulong32 dhost4 = (pulong32) ðer_frame->ether_dhost[0]; - pushort dhost2 = (pushort) ðer_frame->ether_dhost[4]; - boolean equaladdr; + u32 opts = adapter->macopts; + u32 *dhost4 = (u32 *)ðer_frame->ether_dhost[0]; + u16 *dhost2 = (u16 *)ðer_frame->ether_dhost[4]; + bool equaladdr; if (opts & MAC_PROMISC) { DBG_MSG("slicoss: %s (%s) PROMISCUOUS. Accept frame\n", @@ -3198,7 +3067,7 @@ boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame) return TRUE; } if (opts & MAC_MCAST) { - p_mcast_address_t mcaddr = adapter->mcastaddrs; + struct mcast_address *mcaddr = adapter->mcastaddrs; while (mcaddr) { ETHER_EQ_ADDR(mcaddr->address, @@ -3224,9 +3093,9 @@ boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame) } -int slic_mac_set_address(struct net_device *dev, pvoid ptr) +static int slic_mac_set_address(struct net_device *dev, void *ptr) { - p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); + struct adapter *adapter = (struct adapter *)netdev_priv(dev); struct sockaddr *addr = ptr; DBG_MSG("%s ENTER (%s)\n", __func__, adapter->netdev->name); @@ -3259,21 +3128,21 @@ int slic_mac_set_address(struct net_device *dev, pvoid ptr) * 50 seconds or whatever STATS_TIMER_INTERVAL is set to. * */ -void slic_timer_get_stats(ulong dev) +static void slic_timer_get_stats(ulong dev) { - p_adapter_t adapter; - p_sliccard_t card; - p_slic_shmem_t pshmem; + struct adapter *adapter; + struct sliccard *card; + struct slic_shmem *pshmem; ASSERT(dev); - adapter = (p_adapter_t) ((struct net_device *)dev)->priv; + adapter = (struct adapter *)((struct net_device *)dev)->priv; ASSERT(adapter); card = adapter->card; ASSERT(card); if ((card->state == CARD_UP) && (adapter->state == ADAPT_UP) && (adapter->linkstate == LINK_UP)) { - pshmem = (p_slic_shmem_t) adapter->phys_shmem; + pshmem = (struct slic_shmem *)adapter->phys_shmem; #ifdef CONFIG_X86_64 slic_upr_request(adapter, SLIC_UPR_STATS, @@ -3282,7 +3151,7 @@ void slic_timer_get_stats(ulong dev) #elif defined(CONFIG_X86) slic_upr_request(adapter, SLIC_UPR_STATS, - (ulong32) &pshmem->inicstats, 0, 0, 0); + (u32) &pshmem->inicstats, 0, 0, 0); #else Stop compilation; #endif @@ -3295,12 +3164,12 @@ void slic_timer_get_stats(ulong dev) add_timer(&adapter->statstimer); } -void slic_timer_load_check(ulong cardaddr) +static void slic_timer_load_check(ulong cardaddr) { - p_sliccard_t card = (p_sliccard_t) cardaddr; - p_adapter_t adapter = card->master; - ulong32 load = card->events; - ulong32 level = 0; + struct sliccard *card = (struct sliccard *)cardaddr; + struct adapter *adapter = card->master; + u32 load = card->events; + u32 level = 0; if ((adapter) && (adapter->state == ADAPT_UP) && (card->state == CARD_UP) && (slic_global.dynamic_intagg)) { @@ -3352,36 +3221,26 @@ void slic_timer_load_check(ulong cardaddr) add_timer(&card->loadtimer); } -void slic_stall_msec(int stall) -{ - mdelay(stall); -} - -void slic_stall_usec(int stall) -{ - udelay(stall); -} - -void slic_assert_fail(void) +static void slic_assert_fail(void) { - ulong32 cpuid; - ulong32 curr_pid; + u32 cpuid; + u32 curr_pid; cpuid = smp_processor_id(); curr_pid = current->pid; DBG_ERROR("%s CPU # %d ---- PID # %d\n", __func__, cpuid, curr_pid); } -int slic_upr_queue_request(p_adapter_t adapter, - ulong32 upr_request, - ulong32 upr_data, - ulong32 upr_data_h, - ulong32 upr_buffer, ulong32 upr_buffer_h) +static int slic_upr_queue_request(struct adapter *adapter, + u32 upr_request, + u32 upr_data, + u32 upr_data_h, + u32 upr_buffer, u32 upr_buffer_h) { - p_slic_upr_t upr; - p_slic_upr_t uprqueue; + struct slic_upr *upr; + struct slic_upr *uprqueue; - upr = SLIC_ALLOCATE_MEM(sizeof(slic_upr_t), GFP_ATOMIC); + upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC); if (!upr) { DBG_MSG("%s COULD NOT ALLOCATE UPR MEM\n", __func__); @@ -3406,42 +3265,45 @@ int slic_upr_queue_request(p_adapter_t adapter, return STATUS_SUCCESS; } -int slic_upr_request(p_adapter_t adapter, - ulong32 upr_request, - ulong32 upr_data, - ulong32 upr_data_h, - ulong32 upr_buffer, ulong32 upr_buffer_h) +static int slic_upr_request(struct adapter *adapter, + u32 upr_request, + u32 upr_data, + u32 upr_data_h, + u32 upr_buffer, u32 upr_buffer_h) { int status; - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock); + spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags); status = slic_upr_queue_request(adapter, upr_request, upr_data, upr_data_h, upr_buffer, upr_buffer_h); if (status != STATUS_SUCCESS) { - SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + spin_unlock_irqrestore(&adapter->upr_lock.lock, + adapter->upr_lock.flags); return status; } slic_upr_start(adapter); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + spin_unlock_irqrestore(&adapter->upr_lock.lock, + adapter->upr_lock.flags); return STATUS_PENDING; } -void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr) +static void slic_upr_request_complete(struct adapter *adapter, u32 isr) { - p_sliccard_t card = adapter->card; - p_slic_upr_t upr; + struct sliccard *card = adapter->card; + struct slic_upr *upr; /* if (card->dump_requested) { DBG_MSG("ENTER slic_upr_request_complete Dump in progress ISR[%x]\n", isr); } */ - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock); + spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags); upr = adapter->upr_list; if (!upr) { ASSERT(0); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + spin_unlock_irqrestore(&adapter->upr_lock.lock, + adapter->upr_lock.flags); return; } adapter->upr_list = upr->next; @@ -3452,11 +3314,11 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr) case SLIC_UPR_STATS: { #if SLIC_GET_STATS_ENABLED - p_slic_stats_t slicstats = - (p_slic_stats_t) &adapter->pshmem->inicstats; - p_slic_stats_t newstats = slicstats; - p_slic_stats_t old = &adapter->inicstats_prev; - p_slicnet_stats_t stst = &adapter->slic_stats; + struct slic_stats *slicstats = + (struct slic_stats *) &adapter->pshmem->inicstats; + struct slic_stats *newstats = slicstats; + struct slic_stats *old = &adapter->inicstats_prev; + struct slicnet_stats *stst = &adapter->slic_stats; #endif if (isr & ISR_UPCERR) { DBG_ERROR @@ -3540,7 +3402,7 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr) (newstats->rcv_drops_gb - old->rcv_drops_gb); } - memcpy(old, newstats, sizeof(slic_stats_t)); + memcpy(old, newstats, sizeof(struct slic_stats)); #endif break; } @@ -3572,15 +3434,16 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr) default: ASSERT(0); } - SLIC_DEALLOCATE_MEM(upr); + kfree(upr); slic_upr_start(adapter); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock); + spin_unlock_irqrestore(&adapter->upr_lock.lock, + adapter->upr_lock.flags); } -void slic_upr_start(p_adapter_t adapter) +static void slic_upr_start(struct adapter *adapter) { - p_slic_upr_t upr; - p_slic_regs_t slic_regs = adapter->slic_regs; + struct slic_upr *upr; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; /* char * ptr1; char * ptr2; @@ -3670,21 +3533,21 @@ void slic_upr_start(p_adapter_t adapter) } } -void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr) +static void slic_link_upr_complete(struct adapter *adapter, u32 isr) { - ulong32 linkstatus = adapter->pshmem->linkstatus; + u32 linkstatus = adapter->pshmem->linkstatus; uint linkup; - uchar linkspeed; - uchar linkduplex; + unsigned char linkspeed; + unsigned char linkduplex; DBG_MSG("%s: %s ISR[%x] linkstatus[%x]\n adapter[%p](%d)\n", __func__, adapter->netdev->name, isr, linkstatus, adapter, adapter->cardindex); if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) { - p_slic_shmem_t pshmem; + struct slic_shmem *pshmem; - pshmem = (p_slic_shmem_t) adapter->phys_shmem; + pshmem = (struct slic_shmem *)adapter->phys_shmem; #if defined(CONFIG_X86_64) slic_upr_queue_request(adapter, SLIC_UPR_RLSR, @@ -3694,7 +3557,7 @@ void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr) #elif defined(CONFIG_X86) slic_upr_queue_request(adapter, SLIC_UPR_RLSR, - (ulong32) &pshmem->linkstatus, + (u32) &pshmem->linkstatus, SLIC_GET_ADDR_HIGH(pshmem), 0, 0); #else Stop Compilation; @@ -3792,16 +3655,16 @@ void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr) * which prevens us from using the ucode result. * remove this once ucode is fixed. */ -ushort slic_eeprom_cksum(pchar m, int len) +static ushort slic_eeprom_cksum(char *m, int len) { #define ADDCARRY(x) (x > 65535 ? x -= 65535 : x) #define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);\ } - pushort w; - ulong32 sum = 0; - ulong32 byte_swapped = 0; - ulong32 w_int; + u16 *w; + u32 sum = 0; + u32 byte_swapped = 0; + u32 w_int; union { char c[2]; @@ -3816,17 +3679,17 @@ ushort slic_eeprom_cksum(pchar m, int len) l_util.l = 0; s_util.s = 0; - w = (pushort) m; + w = (u16 *)m; #ifdef CONFIG_X86_64 - w_int = (ulong32) ((ulong) w & 0x00000000FFFFFFFF); + w_int = (u32) ((ulong) w & 0x00000000FFFFFFFF); #else - w_int = (ulong32) (w); + w_int = (u32) (w); #endif if ((1 & w_int) && (len > 0)) { REDUCE; sum <<= 8; - s_util.c[0] = *(puchar) w; - w = (pushort) ((char *)w + 1); + s_util.c[0] = *(unsigned char *)w; + w = (u16 *)((char *)w + 1); len--; byte_swapped = 1; } @@ -3849,7 +3712,7 @@ ushort slic_eeprom_cksum(pchar m, int len) sum += w[13]; sum += w[14]; sum += w[15]; - w = (pushort) ((ulong) w + 16); /* verify */ + w = (u16 *)((ulong) w + 16); /* verify */ } len += 32; while ((len -= 8) >= 0) { @@ -3857,7 +3720,7 @@ ushort slic_eeprom_cksum(pchar m, int len) sum += w[1]; sum += w[2]; sum += w[3]; - w = (pushort) ((ulong) w + 4); /* verify */ + w = (u16 *)((ulong) w + 4); /* verify */ } len += 8; if (len != 0 || byte_swapped != 0) { @@ -3869,7 +3732,7 @@ ushort slic_eeprom_cksum(pchar m, int len) sum <<= 8; byte_swapped = 0; if (len == -1) { - s_util.c[1] = *(pchar) w; + s_util.c[1] = *(char *) w; sum += s_util.s; len = 0; } else { @@ -3877,7 +3740,7 @@ ushort slic_eeprom_cksum(pchar m, int len) } } else if (len == -1) { - s_util.c[0] = *(pchar) w; + s_util.c[0] = *(char *) w; } if (len == -1) { @@ -3889,17 +3752,17 @@ ushort slic_eeprom_cksum(pchar m, int len) return (ushort) sum; } -int slic_rspqueue_init(p_adapter_t adapter) +static int slic_rspqueue_init(struct adapter *adapter) { int i; - p_slic_rspqueue_t rspq = &adapter->rspqueue; - p_slic_regs_t slic_regs = adapter->slic_regs; - ulong32 paddrh = 0; + struct slic_rspqueue *rspq = &adapter->rspqueue; + __iomem struct slic_regs *slic_regs = adapter->slic_regs; + u32 paddrh = 0; DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__, adapter->netdev->name, adapter); ASSERT(adapter->state == ADAPT_DOWN); - SLIC_ZERO_MEMORY(rspq, sizeof(slic_rspqueue_t)); + memset(rspq, 0, sizeof(struct slic_rspqueue)); rspq->num_pages = SLIC_RSPQ_PAGES_GB; @@ -3914,12 +3777,12 @@ int slic_rspqueue_init(p_adapter_t adapter) return STATUS_FAILURE; } #ifndef CONFIG_X86_64 - ASSERT(((ulong32) rspq->vaddr[i] & 0xFFFFF000) == - (ulong32) rspq->vaddr[i]); - ASSERT(((ulong32) rspq->paddr[i] & 0xFFFFF000) == - (ulong32) rspq->paddr[i]); + ASSERT(((u32) rspq->vaddr[i] & 0xFFFFF000) == + (u32) rspq->vaddr[i]); + ASSERT(((u32) rspq->paddr[i] & 0xFFFFF000) == + (u32) rspq->paddr[i]); #endif - SLIC_ZERO_MEMORY(rspq->vaddr[i], PAGE_SIZE); + memset(rspq->vaddr[i], 0, PAGE_SIZE); /* DBG_MSG("slicoss: %s UPLOAD RSPBUFF Page pageix[%x] paddr[%p] " "vaddr[%p]\n", __func__, i, (void *)rspq->paddr[i], rspq->vaddr[i]); */ @@ -3938,15 +3801,15 @@ int slic_rspqueue_init(p_adapter_t adapter) } rspq->offset = 0; rspq->pageindex = 0; - rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[0]; + rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0]; DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__, adapter->netdev->name, adapter); return STATUS_SUCCESS; } -int slic_rspqueue_reset(p_adapter_t adapter) +static int slic_rspqueue_reset(struct adapter *adapter) { - p_slic_rspqueue_t rspq = &adapter->rspqueue; + struct slic_rspqueue *rspq = &adapter->rspqueue; DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__, adapter->netdev->name, adapter); @@ -3964,10 +3827,10 @@ int slic_rspqueue_reset(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_rspqueue_free(p_adapter_t adapter) +static void slic_rspqueue_free(struct adapter *adapter) { int i; - slic_rspqueue_t *rspq = &adapter->rspqueue; + struct slic_rspqueue *rspq = &adapter->rspqueue; DBG_MSG("slicoss: %s adapter[%p] port %d rspq[%p] FreeRSPQ\n", __func__, adapter, adapter->physport, rspq); @@ -3976,7 +3839,7 @@ void slic_rspqueue_free(p_adapter_t adapter) DBG_MSG ("slicoss: pci_free_consistent rspq->vaddr[%p] \ paddr[%p]\n", - rspq->vaddr[i], (pvoid) rspq->paddr[i]); + rspq->vaddr[i], (void *) rspq->paddr[i]); pci_free_consistent(adapter->pcidev, PAGE_SIZE, rspq->vaddr[i], rspq->paddr[i]); } @@ -3988,10 +3851,10 @@ void slic_rspqueue_free(p_adapter_t adapter) rspq->rspbuf = NULL; } -p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter) +static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter) { - p_slic_rspqueue_t rspq = &adapter->rspqueue; - p_slic_rspbuf_t buf; + struct slic_rspqueue *rspq = &adapter->rspqueue; + struct slic_rspbuf *buf; if (!(rspq->rspbuf->status)) return NULL; @@ -4004,8 +3867,8 @@ p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter) if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) { rspq->rspbuf++; #ifndef CONFIG_X86_64 - ASSERT(((ulong32) rspq->rspbuf & 0xFFFFFFE0) == - (ulong32) rspq->rspbuf); + ASSERT(((u32) rspq->rspbuf & 0xFFFFFFE0) == + (u32) rspq->rspbuf); #endif } else { ASSERT(rspq->offset == SLIC_RSPQ_BUFSINPAGE); @@ -4016,28 +3879,29 @@ p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter) adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH); rspq->pageindex = (++rspq->pageindex) % rspq->num_pages; rspq->offset = 0; - rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[rspq->pageindex]; + rspq->rspbuf = (struct slic_rspbuf *) + rspq->vaddr[rspq->pageindex]; #ifndef CONFIG_X86_64 - ASSERT(((ulong32) rspq->rspbuf & 0xFFFFF000) == - (ulong32) rspq->rspbuf); + ASSERT(((u32) rspq->rspbuf & 0xFFFFF000) == + (u32) rspq->rspbuf); #endif } #ifndef CONFIG_X86_64 - ASSERT(((ulong32) buf & 0xFFFFFFE0) == (ulong32) buf); + ASSERT(((u32) buf & 0xFFFFFFE0) == (u32) buf); #endif return buf; } -void slic_cmdqmem_init(p_adapter_t adapter) +static void slic_cmdqmem_init(struct adapter *adapter) { - slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem; + struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; - SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t)); + memset(cmdqmem, 0, sizeof(struct slic_cmdqmem)); } -void slic_cmdqmem_free(p_adapter_t adapter) +static void slic_cmdqmem_free(struct adapter *adapter) { - slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem; + struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; int i; DBG_MSG("slicoss: (%s) adapter[%p] port %d rspq[%p] Free CMDQ Memory\n", @@ -4045,20 +3909,20 @@ void slic_cmdqmem_free(p_adapter_t adapter) for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) { if (cmdqmem->pages[i]) { DBG_MSG("slicoss: %s Deallocate page CmdQPage[%p]\n", - __func__, (pvoid) cmdqmem->pages[i]); + __func__, (void *) cmdqmem->pages[i]); pci_free_consistent(adapter->pcidev, PAGE_SIZE, - (pvoid) cmdqmem->pages[i], + (void *) cmdqmem->pages[i], cmdqmem->dma_pages[i]); } } - SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t)); + memset(cmdqmem, 0, sizeof(struct slic_cmdqmem)); } -pulong32 slic_cmdqmem_addpage(p_adapter_t adapter) +static u32 *slic_cmdqmem_addpage(struct adapter *adapter) { - p_slic_cmdqmem_t cmdqmem = &adapter->cmdqmem; - pulong32 pageaddr; + struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem; + u32 *pageaddr; if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES) return NULL; @@ -4068,32 +3932,32 @@ pulong32 slic_cmdqmem_addpage(p_adapter_t adapter) if (!pageaddr) return NULL; #ifndef CONFIG_X86_64 - ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr); + ASSERT(((u32) pageaddr & 0xFFFFF000) == (u32) pageaddr); #endif cmdqmem->pages[cmdqmem->pagecnt] = pageaddr; cmdqmem->pagecnt++; return pageaddr; } -int slic_cmdq_init(p_adapter_t adapter) +static int slic_cmdq_init(struct adapter *adapter) { int i; - pulong32 pageaddr; + u32 *pageaddr; DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); ASSERT(adapter->state == ADAPT_DOWN); - SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t)); - SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t)); - SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t)); - SLIC_INIT_SPINLOCK(adapter->cmdq_all.lock); - SLIC_INIT_SPINLOCK(adapter->cmdq_free.lock); - SLIC_INIT_SPINLOCK(adapter->cmdq_done.lock); + memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); + memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); + memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); + spin_lock_init(&adapter->cmdq_all.lock.lock); + spin_lock_init(&adapter->cmdq_free.lock.lock); + spin_lock_init(&adapter->cmdq_done.lock.lock); slic_cmdqmem_init(adapter); adapter->slic_handle_ix = 1; for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) { pageaddr = slic_cmdqmem_addpage(adapter); #ifndef CONFIG_X86_64 - ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr); + ASSERT(((u32) pageaddr & 0xFFFFF000) == (u32) pageaddr); #endif if (!pageaddr) { slic_cmdq_free(adapter); @@ -4107,9 +3971,9 @@ int slic_cmdq_init(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_cmdq_free(p_adapter_t adapter) +static void slic_cmdq_free(struct adapter *adapter) { - p_slic_hostcmd_t cmd; + struct slic_hostcmd *cmd; DBG_MSG("slicoss: %s adapter[%p] port %d FreeCommandsFrom CMDQ\n", __func__, adapter, adapter->physport); @@ -4126,21 +3990,23 @@ void slic_cmdq_free(p_adapter_t adapter) } cmd = cmd->next_all; } - SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t)); - SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t)); - SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t)); + memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue)); + memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue)); + memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue)); slic_cmdqmem_free(adapter); } -void slic_cmdq_reset(p_adapter_t adapter) +static void slic_cmdq_reset(struct adapter *adapter) { - p_slic_hostcmd_t hcmd; + struct slic_hostcmd *hcmd; struct sk_buff *skb; - ulong32 outstanding; + u32 outstanding; DBG_MSG("%s ENTER adapter[%p]\n", __func__, adapter); - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_free.lock); - SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_done.lock); + spin_lock_irqsave(&adapter->cmdq_free.lock.lock, + adapter->cmdq_free.lock.flags); + spin_lock_irqsave(&adapter->cmdq_done.lock.lock, + adapter->cmdq_done.lock.flags); outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count; outstanding -= adapter->cmdq_free.count; hcmd = adapter->cmdq_all.head; @@ -4174,31 +4040,33 @@ void slic_cmdq_reset(p_adapter_t adapter) DBG_ERROR("%s free_count %d != all count %d\n", __func__, adapter->cmdq_free.count, adapter->cmdq_all.count); } - SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_done.lock); - SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_free.lock); + spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock, + adapter->cmdq_done.lock.flags); + spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock, + adapter->cmdq_free.lock.flags); DBG_MSG("%s EXIT adapter[%p]\n", __func__, adapter); } -void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page) +static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page) { - p_slic_hostcmd_t cmd; - p_slic_hostcmd_t prev; - p_slic_hostcmd_t tail; - p_slic_cmdqueue_t cmdq; + struct slic_hostcmd *cmd; + struct slic_hostcmd *prev; + struct slic_hostcmd *tail; + struct slic_cmdqueue *cmdq; int cmdcnt; - pvoid cmdaddr; + void *cmdaddr; ulong phys_addr; - ulong32 phys_addrl; - ulong32 phys_addrh; - pslic_handle_t pslic_handle; + u32 phys_addrl; + u32 phys_addrh; + struct slic_handle *pslic_handle; cmdaddr = page; - cmd = (p_slic_hostcmd_t) cmdaddr; + cmd = (struct slic_hostcmd *)cmdaddr; /* DBG_MSG("CMDQ Page addr[%p] ix[%d] pfree[%p]\n", cmdaddr, slic_handle_ix, adapter->pfree_slic_handles); */ cmdcnt = 0; - phys_addr = SLIC_GET_PHYSICAL_ADDRESS((void *)page); + phys_addr = virt_to_bus((void *)page); phys_addrl = SLIC_GET_ADDR_LOW(phys_addr); phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr); @@ -4214,7 +4082,7 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page) &adapter->slic_handles[pslic_handle->token. handle_index]); pslic_handle->type = SLIC_HANDLE_CMD; - pslic_handle->address = (pvoid) cmd; + pslic_handle->address = (void *) cmd; pslic_handle->offset = (ushort) adapter->slic_handle_ix++; pslic_handle->other_handle = NULL; pslic_handle->next = NULL; @@ -4230,7 +4098,7 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page) phys_addrl += SLIC_HOSTCMD_SIZE; cmdaddr += SLIC_HOSTCMD_SIZE; - cmd = (p_slic_hostcmd_t) cmdaddr; + cmd = (struct slic_hostcmd *)cmdaddr; cmdcnt++; } @@ -4240,36 +4108,37 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page) ASSERT(VALID_ADDRESS(prev)); cmdq->head = prev; cmdq = &adapter->cmdq_free; - SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); + spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags); cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */ tail->next = cmdq->head; ASSERT(VALID_ADDRESS(prev)); cmdq->head = prev; - SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); + spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags); } -p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter) +static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter) { - p_slic_cmdqueue_t cmdq = &adapter->cmdq_free; - p_slic_hostcmd_t cmd = NULL; + struct slic_cmdqueue *cmdq = &adapter->cmdq_free; + struct slic_hostcmd *cmd = NULL; lock_and_retry: - SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); + spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags); retry: cmd = cmdq->head; if (cmd) { cmdq->head = cmd->next; cmdq->count--; - SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); + spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags); } else { slic_cmdq_getdone(adapter); cmd = cmdq->head; if (cmd) { goto retry; } else { - pulong32 pageaddr; + u32 *pageaddr; - SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); + spin_unlock_irqrestore(&cmdq->lock.lock, + cmdq->lock.flags); pageaddr = slic_cmdqmem_addpage(adapter); if (pageaddr) { slic_cmdq_addcmdpage(adapter, pageaddr); @@ -4280,13 +4149,13 @@ retry: return cmd; } -void slic_cmdq_getdone(p_adapter_t adapter) +static void slic_cmdq_getdone(struct adapter *adapter) { - p_slic_cmdqueue_t done_cmdq = &adapter->cmdq_done; - p_slic_cmdqueue_t free_cmdq = &adapter->cmdq_free; + struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done; + struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free; ASSERT(free_cmdq->head == NULL); - SLIC_ACQUIRE_IRQ_SPINLOCK(done_cmdq->lock); + spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags); ASSERT(VALID_ADDRESS(done_cmdq->head)); free_cmdq->head = done_cmdq->head; @@ -4294,28 +4163,15 @@ void slic_cmdq_getdone(p_adapter_t adapter) done_cmdq->head = NULL; done_cmdq->tail = NULL; done_cmdq->count = 0; - SLIC_RELEASE_IRQ_SPINLOCK(done_cmdq->lock); + spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags); } -void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd) +static void slic_cmdq_putdone_irq(struct adapter *adapter, + struct slic_hostcmd *cmd) { - p_slic_cmdqueue_t cmdq = &adapter->cmdq_done; + struct slic_cmdqueue *cmdq = &adapter->cmdq_done; - SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock); - cmd->busy = 0; - ASSERT(VALID_ADDRESS(cmdq->head)); - cmd->next = cmdq->head; - ASSERT(VALID_ADDRESS(cmd)); - cmdq->head = cmd; - cmdq->count++; - SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock); -} - -void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd) -{ - p_slic_cmdqueue_t cmdq = &adapter->cmdq_done; - - SLIC_ACQUIRE_SPINLOCK(cmdq->lock); + spin_lock(&cmdq->lock.lock); cmd->busy = 0; ASSERT(VALID_ADDRESS(cmdq->head)); cmd->next = cmdq->head; @@ -4324,13 +4180,13 @@ void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd) cmdq->count++; if ((adapter->xmitq_full) && (cmdq->count > 10)) netif_wake_queue(adapter->netdev); - SLIC_RELEASE_SPINLOCK(cmdq->lock); + spin_unlock(&cmdq->lock.lock); } -int slic_rcvqueue_init(p_adapter_t adapter) +static int slic_rcvqueue_init(struct adapter *adapter) { int i, count; - p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); ASSERT(adapter->state == ADAPT_DOWN); @@ -4353,9 +4209,9 @@ int slic_rcvqueue_init(p_adapter_t adapter) return STATUS_SUCCESS; } -int slic_rcvqueue_reset(p_adapter_t adapter) +static int slic_rcvqueue_reset(struct adapter *adapter) { - p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter); ASSERT(adapter->state == ADAPT_DOWN); @@ -4371,9 +4227,9 @@ int slic_rcvqueue_reset(p_adapter_t adapter) return STATUS_SUCCESS; } -void slic_rcvqueue_free(p_adapter_t adapter) +static void slic_rcvqueue_free(struct adapter *adapter) { - slic_rcvqueue_t *rcvq = &adapter->rcvqueue; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; struct sk_buff *skb; while (rcvq->head) { @@ -4386,16 +4242,16 @@ void slic_rcvqueue_free(p_adapter_t adapter) rcvq->count = 0; } -struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter) +static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter) { - p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; struct sk_buff *skb; - p_slic_rcvbuf_t rcvbuf; + struct slic_rcvbuf *rcvbuf; int count; if (rcvq->count) { skb = rcvq->head; - rcvbuf = (p_slic_rcvbuf_t) skb->head; + rcvbuf = (struct slic_rcvbuf *)skb->head; ASSERT(rcvbuf); if (rcvbuf->status & IRHDDR_SVALID) { @@ -4420,30 +4276,31 @@ struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter) return skb; } -int slic_rcvqueue_fill(p_adapter_t adapter) +static int slic_rcvqueue_fill(struct adapter *adapter) { - pvoid paddr; - ulong32 paddrl; - ulong32 paddrh; - p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; + void *paddr; + u32 paddrl; + u32 paddrh; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; int i = 0; while (i < SLIC_RCVQ_FILLENTRIES) { - p_slic_rcvbuf_t rcvbuf; + struct slic_rcvbuf *rcvbuf; struct sk_buff *skb; #ifdef KLUDGE_FOR_4GB_BOUNDARY retry_rcvqfill: #endif skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC); if (skb) { - paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter, + paddr = (void *)pci_map_single(adapter->pcidev, skb->data, - SLIC_RCVQ_RCVBUFSIZE); + SLIC_RCVQ_RCVBUFSIZE, + PCI_DMA_FROMDEVICE); paddrl = SLIC_GET_ADDR_LOW(paddr); paddrh = SLIC_GET_ADDR_HIGH(paddr); skb->len = SLIC_RCVBUF_HEADSIZE; - rcvbuf = (p_slic_rcvbuf_t) skb->head; + rcvbuf = (struct slic_rcvbuf *)skb->head; rcvbuf->status = 0; skb->next = NULL; #ifdef KLUDGE_FOR_4GB_BOUNDARY @@ -4479,13 +4336,13 @@ retry_rcvqfill: #endif if (paddrh == 0) { WRITE_REG(adapter->slic_regs->slic_hbar, - (ulong32) paddrl, DONT_FLUSH); + (u32) paddrl, DONT_FLUSH); } else { WRITE_REG64(adapter, adapter->slic_regs->slic_hbar64, - (ulong32) paddrl, + (u32) paddrl, adapter->slic_regs->slic_addr_upper, - (ulong32) paddrh, DONT_FLUSH); + (u32) paddrh, DONT_FLUSH); } if (rcvq->head) rcvq->tail->next = skb; @@ -4505,18 +4362,18 @@ retry_rcvqfill: return i; } -ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb) +static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb) { - p_slic_rcvqueue_t rcvq = &adapter->rcvqueue; - pvoid paddr; - ulong32 paddrl; - ulong32 paddrh; - p_slic_rcvbuf_t rcvbuf = (p_slic_rcvbuf_t) skb->head; + struct slic_rcvqueue *rcvq = &adapter->rcvqueue; + void *paddr; + u32 paddrl; + u32 paddrh; + struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head; ASSERT(skb->len == SLIC_RCVBUF_HEADSIZE); - paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter, - skb->head, - SLIC_RCVQ_RCVBUFSIZE); + + paddr = (void *)pci_map_single(adapter->pcidev, skb->head, + SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE); rcvbuf->status = 0; skb->next = NULL; @@ -4536,7 +4393,7 @@ ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb) rcvq->count); } if (paddrh == 0) { - WRITE_REG(adapter->slic_regs->slic_hbar, (ulong32) paddrl, + WRITE_REG(adapter->slic_regs->slic_hbar, (u32) paddrl, DONT_FLUSH); } else { WRITE_REG64(adapter, @@ -4558,10 +4415,10 @@ static int slic_debug_card_show(struct seq_file *seq, void *v) { #ifdef MOOKTODO int i; - p_sliccard_t card = seq->private; + struct sliccard *card = seq->private; pslic_config_t config = &card->config; - puchar fru = (puchar) (&card->config.atk_fru); - puchar oemfru = (puchar) (&card->config.OemFru); + unsigned char *fru = (unsigned char *)(&card->config.atk_fru); + unsigned char *oemfru = (unsigned char *)(&card->config.OemFru); #endif seq_printf(seq, "driver_version : %s", slic_proc_version); @@ -4600,7 +4457,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v) seq_printf(seq, " IF Init State Duplex/Speed irq\n"); seq_printf(seq, " -------------------------------\n"); for (i = 0; i < card->adapters_allocated; i++) { - p_adapter_t adapter; + struct adapter *adapter; adapter = card->adapter[i]; if (adapter) { @@ -4768,7 +4625,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v) static int slic_debug_adapter_show(struct seq_file *seq, void *v) { - p_adapter_t adapter = seq->private; + struct adapter *adapter = seq->private; if ((adapter->netdev) && (adapter->netdev->name)) { seq_printf(seq, "info: interface : %s\n", @@ -4801,21 +4658,21 @@ static int slic_debug_adapter_show(struct seq_file *seq, void *v) seq_printf(seq, "rx stats: unicasts : %8.8X\n", adapter->rcv_unicasts); seq_printf(seq, "rx stats: errors : %8.8X\n", - (ulong32) adapter->slic_stats.iface.rcv_errors); + (u32) adapter->slic_stats.iface.rcv_errors); seq_printf(seq, "rx stats: Missed errors : %8.8X\n", - (ulong32) adapter->slic_stats.iface.rcv_discards); + (u32) adapter->slic_stats.iface.rcv_discards); seq_printf(seq, "rx stats: drops : %8.8X\n", - (ulong32) adapter->rcv_drops); + (u32) adapter->rcv_drops); seq_printf(seq, "tx stats: packets : %8.8lX\n", adapter->stats.tx_packets); seq_printf(seq, "tx stats: bytes : %8.8lX\n", adapter->stats.tx_bytes); seq_printf(seq, "tx stats: errors : %8.8X\n", - (ulong32) adapter->slic_stats.iface.xmt_errors); + (u32) adapter->slic_stats.iface.xmt_errors); seq_printf(seq, "rx stats: multicasts : %8.8lX\n", adapter->stats.multicast); seq_printf(seq, "tx stats: collision errors : %8.8X\n", - (ulong32) adapter->slic_stats.iface.xmit_collisions); + (u32) adapter->slic_stats.iface.xmit_collisions); seq_printf(seq, "perf: Max rcv frames/isr : %8.8X\n", adapter->max_isr_rcvs); seq_printf(seq, "perf: Rcv interrupt yields : %8.8X\n", @@ -4905,11 +4762,11 @@ static const struct file_operations slic_debug_card_fops = { .release = single_release, }; -static void slic_debug_adapter_create(p_adapter_t adapter) +static void slic_debug_adapter_create(struct adapter *adapter) { struct dentry *d; char name[7]; - p_sliccard_t card = adapter->card; + struct sliccard *card = adapter->card; if (!card->debugfs_dir) return; @@ -4924,7 +4781,7 @@ static void slic_debug_adapter_create(p_adapter_t adapter) adapter->debugfs_entry = d; } -static void slic_debug_adapter_destroy(p_adapter_t adapter) +static void slic_debug_adapter_destroy(struct adapter *adapter) { if (adapter->debugfs_entry) { debugfs_remove(adapter->debugfs_entry); @@ -4932,7 +4789,7 @@ static void slic_debug_adapter_destroy(p_adapter_t adapter) } } -static void slic_debug_card_create(p_sliccard_t card) +static void slic_debug_card_create(struct sliccard *card) { struct dentry *d; char name[IFNAMSIZ]; @@ -4955,12 +4812,12 @@ static void slic_debug_card_create(p_sliccard_t card) } } -static void slic_debug_card_destroy(p_sliccard_t card) +static void slic_debug_card_destroy(struct sliccard *card) { int i; for (i = 0; i < card->card_size; i++) { - p_adapter_t adapter; + struct adapter *adapter; adapter = card->adapter[i]; if (adapter) @@ -5013,17 +4870,17 @@ static void slic_debug_cleanup(void) #include -pvoid slic_dump_handle; /* thread handle */ +void *slic_dump_handle; /* thread handle */ /* * These are the only things you should do on a core-file: use only these * functions to write out all the necessary info. */ -static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset) +static int slic_dump_seek(struct file *SLIChandle, u32 file_offset) { if (SLIChandle->f_pos != file_offset) { /*DBG_MSG("slic_dump_seek now needed [%x : %x]\n", - (ulong32)SLIChandle->f_pos, (ulong32)file_offset); */ + (u32)SLIChandle->f_pos, (u32)file_offset); */ if (SLIChandle->f_op->llseek) { if (SLIChandle->f_op-> llseek(SLIChandle, file_offset, 0) != file_offset) @@ -5035,11 +4892,11 @@ static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset) return 1; } -static int slic_dump_write(p_sliccard_t card, - const void *addr, int size, ulong32 file_offset) +static int slic_dump_write(struct sliccard *card, + const void *addr, int size, u32 file_offset) { int r = 1; - ulong32 result = 0; + u32 result = 0; struct file *SLIChandle = card->dumphandle; #ifdef HISTORICAL /* legacy */ @@ -5069,7 +4926,7 @@ static int slic_dump_write(p_sliccard_t card, return r; } -uint slic_init_dump_thread(p_sliccard_t card) +static uint slic_init_dump_thread(struct sliccard *card) { card->dump_task_id = kthread_run(slic_dump_thread, (void *)card, 0); @@ -5082,17 +4939,17 @@ uint slic_init_dump_thread(p_sliccard_t card) return STATUS_SUCCESS; } -int slic_dump_thread(void *context) +static int slic_dump_thread(void *context) { - p_sliccard_t card = (p_sliccard_t) context; - p_adapter_t adapter; - p_adapter_t dump_adapter = NULL; - ulong32 dump_complete = 0; - ulong32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL); - p_slic_regs_t pregs; - ulong32 i; - p_slic_upr_t upr, uprnext; - ulong32 dump_card; + struct sliccard *card = (struct sliccard *)context; + struct adapter *adapter; + struct adapter *dump_adapter = NULL; + u32 dump_complete = 0; + u32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL); + struct slic_regs *pregs; + u32 i; + struct slic_upr *upr, *uprnext; + u32 dump_card; ASSERT(card); @@ -5248,19 +5105,20 @@ int slic_dump_thread(void *context) * now. */ if (!card->pingstatus) { - SLIC_ACQUIRE_IRQ_SPINLOCK - (adapter->upr_lock); + spin_lock_irqsave( + &adapter->upr_lock.lock, + adapter->upr_lock.flags); upr = adapter->upr_list; while (upr) { uprnext = upr->next; - SLIC_DEALLOCATE_MEM - (upr); + kfree(upr); upr = uprnext; } adapter->upr_list = 0; adapter->upr_busy = 0; - SLIC_RELEASE_IRQ_SPINLOCK - (adapter->upr_lock); + spin_unlock_irqrestore( + &adapter->upr_lock.lock, + adapter->upr_lock.flags); } slic_dump_card(card, FALSE); @@ -5340,13 +5198,13 @@ end_thread: * value is used as our suffix for our dump path. The * value is incremented and written back to the file */ -uchar slic_get_dump_index(pchar path) +static unsigned char slic_get_dump_index(char *path) { - uchar index = 0; + unsigned char index = 0; #ifdef SLIC_DUMP_INDEX_SUPPORT - ulong32 status; - pvoid FileHandle; - ulong32 offset; + u32 status; + void *FileHandle; + u32 offset; offset = 0; @@ -5356,7 +5214,7 @@ uchar slic_get_dump_index(pchar path) status = create_file(&FileHandle); if (status != STATUS_SUCCESS) - return (uchar) 0; + return (unsigned char) 0; status = read_file(FileHandle, &index, 1, &offset); @@ -5371,7 +5229,7 @@ uchar slic_get_dump_index(pchar path) return index; } -struct file *slic_dump_open_file(p_sliccard_t card) +static struct file *slic_dump_open_file(struct sliccard *card) { struct file *SLIChandle = NULL; struct dentry *dentry = NULL; @@ -5434,7 +5292,7 @@ end_slicdump: return NULL; } -void slic_dump_close_file(p_sliccard_t card) +static void slic_dump_close_file(struct sliccard *card) { /* DBG_MSG("[slicmon] slic_dump_CLOSE_file close SLIChandle[%p]\n", @@ -5445,19 +5303,19 @@ void slic_dump_close_file(p_sliccard_t card) set_fs(card->dumpfile_fs); } -ulong32 slic_dump_card(p_sliccard_t card, boolean resume) +static u32 slic_dump_card(struct sliccard *card, bool resume) { - p_adapter_t adapter = card->master; - ulong32 status; - ulong32 queue; - ulong32 len, offset; - ulong32 sram_size, dram_size, regs; + struct adapter *adapter = card->master; + u32 status; + u32 queue; + u32 len, offset; + u32 sram_size, dram_size, regs; sliccore_hdr_t corehdr; - ulong32 file_offset; - pchar namestr; - ulong32 i; - ulong32 max_queues = 0; - ulong32 result; + u32 file_offset; + char *namestr; + u32 i; + u32 max_queues = 0; + u32 result; card->dumphandle = slic_dump_open_file(card); @@ -5672,12 +5530,12 @@ ulong32 slic_dump_card(p_sliccard_t card, boolean resume) max_queues = SLIC_MAX_QUEUE; for (queue = 0; queue < max_queues; queue++) { - pulong32 qarray = (pulong32) card->dumpbuffer; - ulong32 qarray_physl = card->dumpbuffer_physl; - ulong32 qarray_physh = card->dumpbuffer_physh; - ulong32 qstart; - ulong32 qdelta; - ulong32 qtotal = 0; + u32 *qarray = (u32 *) card->dumpbuffer; + u32 qarray_physl = card->dumpbuffer_physl; + u32 qarray_physh = card->dumpbuffer_physh; + u32 qstart; + u32 qdelta; + u32 qtotal = 0; DBG_MSG("[slicmon] Start Dump of QUEUE #0x%x\n", (uint) queue); @@ -5823,9 +5681,9 @@ done: return status; } -ulong32 slic_dump_halt(p_sliccard_t card, uchar proc) +static u32 slic_dump_halt(struct sliccard *card, unsigned char proc) { - puchar cmd = card->cmdbuffer; + unsigned char *cmd = card->cmdbuffer; *cmd = COMMAND_BYTE(CMD_HALT, 0, proc); @@ -5834,9 +5692,9 @@ ulong32 slic_dump_halt(p_sliccard_t card, uchar proc) card->cmdbuffer_physh, 0, 0); } -ulong32 slic_dump_resume(p_sliccard_t card, uchar proc) +static u32 slic_dump_resume(struct sliccard *card, unsigned char proc) { - puchar cmd = card->cmdbuffer; + unsigned char *cmd = card->cmdbuffer; *cmd = COMMAND_BYTE(CMD_RUN, 0, proc); @@ -5845,7 +5703,7 @@ ulong32 slic_dump_resume(p_sliccard_t card, uchar proc) card->cmdbuffer_physh, 0, 0); } -ulong32 slic_dump_reg(p_sliccard_t card, uchar proc) +static u32 slic_dump_reg(struct sliccard *card, unsigned char proc) { pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; @@ -5861,8 +5719,8 @@ ulong32 slic_dump_reg(p_sliccard_t card, uchar proc) card->dumpbuffer_physh); } -ulong32 slic_dump_data(p_sliccard_t card, - ulong32 addr, ushort count, uchar desc) +static u32 slic_dump_data(struct sliccard *card, + u32 addr, ushort count, unsigned char desc) { pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; @@ -5878,8 +5736,8 @@ ulong32 slic_dump_data(p_sliccard_t card, card->dumpbuffer_physh); } -ulong32 slic_dump_queue(p_sliccard_t card, - ulong32 addr, ulong32 buf_physh, ulong32 queue) +static u32 slic_dump_queue(struct sliccard *card, + u32 addr, u32 buf_physh, u32 queue) { pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; @@ -5894,7 +5752,8 @@ ulong32 slic_dump_queue(p_sliccard_t card, addr, card->dumpbuffer_physh); } -ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue) +static u32 slic_dump_load_queue(struct sliccard *card, u32 data, + u32 queue) { pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer; @@ -5908,8 +5767,8 @@ ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue) card->cmdbuffer_physh, 0, 0); } -ulong32 slic_dump_cam(p_sliccard_t card, - ulong32 addr, ulong32 count, uchar desc) +static u32 slic_dump_cam(struct sliccard *card, + u32 addr, u32 count, unsigned char desc) { pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; @@ -5924,15 +5783,15 @@ ulong32 slic_dump_cam(p_sliccard_t card, addr, card->dumpbuffer_physh); } -ulong32 slic_dump_send_cmd(p_sliccard_t card, - ulong32 cmd_physl, - ulong32 cmd_physh, - ulong32 buf_physl, ulong32 buf_physh) +static u32 slic_dump_send_cmd(struct sliccard *card, + u32 cmd_physl, + u32 cmd_physh, + u32 buf_physl, u32 buf_physh) { ulong timeout = SLIC_MS_TO_JIFFIES(500); /* 500 msec */ - ulong32 attempts = 5; - ulong32 delay = SLIC_MS_TO_JIFFIES(10); /* 10 msec */ - p_adapter_t adapter = card->master; + u32 attempts = 5; + u32 delay = SLIC_MS_TO_JIFFIES(10); /* 10 msec */ + struct adapter *adapter = card->master; ASSERT(adapter); do { -- GitLab From 4578ca0fc2be611ea98618b028ecfbb2415cd990 Mon Sep 17 00:00:00 2001 From: Lior Dotan Date: Sun, 5 Oct 2008 15:35:46 +0300 Subject: [PATCH 3645/6244] Staging: SLICOSS: Fix warnings due to static usage Fix a few warning messages that crept in due to conversion of all the functions to static Signed-off-by: Lior Dotan Signed-off-by: Greg Kroah-Hartman --- drivers/staging/slicoss/slicinc.h | 6 ------ drivers/staging/slicoss/slicoss.c | 3 ++- 2 files changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h index 610c1abd988b..71288c4f7be3 100644 --- a/drivers/staging/slicoss/slicinc.h +++ b/drivers/staging/slicoss/slicinc.h @@ -61,7 +61,6 @@ static void slic_xmit_fail(struct adapter *adapter, void *cmd, u32 skbtype, u32 status); -static void slic_xmit_timeout(struct net_device *dev); static void slic_config_pci(struct pci_dev *pcidev); static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter); @@ -90,8 +89,6 @@ static void slic_cmdq_free(struct adapter *adapter); static void slic_cmdq_reset(struct adapter *adapter); static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page); static void slic_cmdq_getdone(struct adapter *adapter); -static void slic_cmdq_putdone(struct adapter *adapter, - struct slic_hostcmd *cmd); static void slic_cmdq_putdone_irq(struct adapter *adapter, struct slic_hostcmd *cmd); static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter); @@ -103,7 +100,6 @@ static void slic_rcvqueue_free(struct adapter *adapter); static void slic_rcv_handle_error(struct adapter *adapter, struct slic_rcvbuf *rcvbuf); static void slic_adapter_set_hwaddr(struct adapter *adapter); -static void slic_card_halt(struct sliccard *card, struct adapter *adapter); static int slic_card_init(struct sliccard *card, struct adapter *adapter); static void slic_intagg_set(struct adapter *adapter, u32 value); static int slic_card_download(struct adapter *adapter); @@ -120,7 +116,6 @@ static void slic_unmap_mmio_space(struct adapter *adapter); static void slic_card_cleanup(struct sliccard *card); static void slic_init_cleanup(struct adapter *adapter); static void slic_soft_reset(struct adapter *adapter); -static void slic_card_reset(struct adapter *adapter); static bool slic_mac_filter(struct adapter *adapter, struct ether_header *ether_frame); static void slic_mac_address_config(struct adapter *adapter); @@ -133,7 +128,6 @@ static void slic_config_set(struct adapter *adapter, bool linkchange); static void slic_config_clear(struct adapter *adapter); static void slic_config_get(struct adapter *adapter, u32 config, u32 configh); -static void slic_timer_get_stats(ulong device); static void slic_timer_load_check(ulong context); static void slic_timer_ping(ulong dev); static void slic_assert_fail(void); diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index eb615652a08a..f24247797262 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -3128,6 +3128,7 @@ static int slic_mac_set_address(struct net_device *dev, void *ptr) * 50 seconds or whatever STATS_TIMER_INTERVAL is set to. * */ +#if SLIC_GET_STATS_TIMER_ENABLED static void slic_timer_get_stats(ulong dev) { struct adapter *adapter; @@ -3163,7 +3164,7 @@ static void slic_timer_get_stats(ulong dev) SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL); add_timer(&adapter->statstimer); } - +#endif static void slic_timer_load_check(ulong cardaddr) { struct sliccard *card = (struct sliccard *)cardaddr; -- GitLab From 68cf95f3183c7bd60feab3bb774e1e4c7f36fe71 Mon Sep 17 00:00:00 2001 From: Lior Dotan Date: Tue, 7 Oct 2008 14:14:04 +0200 Subject: [PATCH 3646/6244] Staging: SLICOSS: Fix remaining type names Fix the remaining variables that still had '_t' as a postfix and also a couple of checkpatch warnings. Signed-off-by: Lior Dotan Signed-off-by: Greg Kroah-Hartman --- drivers/staging/slicoss/slic_os.h | 6 ++++-- drivers/staging/slicoss/slicdump.h | 2 +- drivers/staging/slicoss/slichw.h | 6 +++--- drivers/staging/slicoss/slicoss.c | 30 +++++++++++++++--------------- 4 files changed, 23 insertions(+), 21 deletions(-) diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h index b0d2883034ce..46c678440d28 100644 --- a/drivers/staging/slicoss/slic_os.h +++ b/drivers/staging/slicoss/slic_os.h @@ -53,7 +53,8 @@ { \ adapter->card->reg_type[adapter->card->debug_ix] = 0; \ adapter->card->reg_offset[adapter->card->debug_ix] = \ - ((unsigned char *)(®)) - ((unsigned char *)adapter->slic_regs); \ + ((unsigned char *)(®)) - \ + ((unsigned char *)adapter->slic_regs); \ adapter->card->reg_value[adapter->card->debug_ix++] = value; \ if (adapter->card->debug_ix == 32) \ adapter->card->debug_ix = 0; \ @@ -63,7 +64,8 @@ { \ adapter->card->reg_type[adapter->card->debug_ix] = 1; \ adapter->card->reg_offset[adapter->card->debug_ix] = \ - ((unsigned char *)(®)) - ((unsigned char *)adapter->slic_regs); \ + ((unsigned char *)(®)) - \ + ((unsigned char *)adapter->slic_regs); \ adapter->card->reg_value[adapter->card->debug_ix] = value; \ adapter->card->reg_valueh[adapter->card->debug_ix++] = valh; \ if (adapter->card->debug_ix == 32) \ diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h index ca0a2216f707..92a9b44bcade 100644 --- a/drivers/staging/slicoss/slicdump.h +++ b/drivers/staging/slicoss/slicdump.h @@ -228,7 +228,7 @@ struct CORE_Q { #define DRIVER_NAME_SIZE 32 struct sliccore_hdr { - unsigned char driver_version[DRIVER_NAME_SIZE]; /* Driver version string */ + unsigned char driver_version[DRIVER_NAME_SIZE]; /* Driver version string */ u32 RcvRegOff; /* Offset of receive registers */ u32 RcvRegsize; /* size of receive registers */ u32 XmtRegOff; /* Offset of transmit registers */ diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h index 4c5c15d49e67..d03e90b06753 100644 --- a/drivers/staging/slicoss/slichw.h +++ b/drivers/staging/slicoss/slichw.h @@ -702,7 +702,7 @@ struct vendor4_fru { unsigned char pad[3]; }; -union oemfru_t { +union oemfru { struct vendor1_fru vendor1_fru; struct vendor2_fru vendor2_fru; struct vendor3_fru vendor3_fru; @@ -764,7 +764,7 @@ struct slic_eeprom { unsigned char FruFormat; /* Alacritech FRU format type */ struct atk_fru AtkFru; /* Alacritech FRU information */ unsigned char OemFruFormat; /* optional OEM FRU format type */ - union oemfru_t OemFru; /* optional OEM FRU information */ + union oemfru OemFru; /* optional OEM FRU information */ unsigned char Pad[4]; /* Pad to 128 bytes - includes 2 cksum bytes *(if OEM FRU info exists) and two unusable * bytes at the end */ @@ -809,7 +809,7 @@ struct oslic_eeprom { unsigned char FruFormat; /* 35 Alacritech FRU format type */ struct atk_fru AtkFru; /* Alacritech FRU information */ unsigned char OemFruFormat; /* optional OEM FRU format type */ - union oemfru_t OemFru; /* optional OEM FRU information */ + union oemfru OemFru; /* optional OEM FRU information */ unsigned char Pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes * (if OEM FRU info exists) and two unusable * bytes at the end diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index f24247797262..c129e83e2f4e 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -1015,7 +1015,7 @@ static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev) #ifdef DEBUG_DUMP if (adapter->kill_card) { - p_slic_host64_cmd_t ihcmd; + struct slic_host64_cmd ihcmd; ihcmd = &hcmd->cmd64; @@ -2455,7 +2455,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) unsigned char fruformat; unsigned char oemfruformat; struct atk_fru *patkfru; - union oemfru_t *poemfru; + union oemfru *poemfru; DBG_MSG ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \ @@ -2692,7 +2692,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) * Allocate COMMAND BUFFER */ if (!card->cmdbuffer) { - card->cmdbuffer = kmalloc(sizeof(dump_cmd_t), GFP_ATOMIC); + card->cmdbuffer = kmalloc(sizeof(struct dump_cmd), GFP_ATOMIC); ASSERT(card->cmdbuffer); if (card->cmdbuffer == NULL) @@ -2702,7 +2702,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter) * Smear the shared memory structure and then obtain * the PHYSICAL address of this structure */ - memset(card->cmdbuffer, 0, sizeof(dump_cmd_t)); + memset(card->cmdbuffer, 0, sizeof(struct dump_cmd)); card->cmdbuffer_phys = virt_to_bus(card->cmdbuffer); card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys); card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys); @@ -4417,7 +4417,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v) #ifdef MOOKTODO int i; struct sliccard *card = seq->private; - pslic_config_t config = &card->config; + struct slic_config *config = &card->config; unsigned char *fru = (unsigned char *)(&card->config.atk_fru); unsigned char *oemfru = (unsigned char *)(&card->config.OemFru); #endif @@ -5311,7 +5311,7 @@ static u32 slic_dump_card(struct sliccard *card, bool resume) u32 queue; u32 len, offset; u32 sram_size, dram_size, regs; - sliccore_hdr_t corehdr; + struct sliccore_hdr corehdr; u32 file_offset; char *namestr; u32 i; @@ -5344,7 +5344,7 @@ static u32 slic_dump_card(struct sliccard *card, bool resume) } corehdr.driver_version[i] = 0; - file_offset = sizeof(sliccore_hdr_t); + file_offset = sizeof(struct sliccore_hdr); /* * Issue the following debug commands to the SLIC: @@ -5651,10 +5651,10 @@ done: */ file_offset = 0; DBG_MSG("[slicmon] Write CoreHeader len[%x] offset[%x]\n", - (uint) sizeof(sliccore_hdr_t), file_offset); + (uint) sizeof(struct sliccore_hdr), file_offset); result = - slic_dump_write(card, &corehdr, sizeof(sliccore_hdr_t), + slic_dump_write(card, &corehdr, sizeof(struct sliccore_hdr), file_offset); DBG_MSG("[slicmon] corehdr xoff[%x] xsz[%x]\n" " roff[%x] rsz[%x] fileoff[%x] filesz[%x]\n" @@ -5663,7 +5663,7 @@ done: corehdr.XmtRegsize, corehdr.RcvRegOff, corehdr.RcvRegsize, corehdr.FileRegOff, corehdr.FileRegsize, corehdr.SramOff, corehdr.Sramsize, corehdr.DramOff, corehdr.Dramsize, - (uint) sizeof(sliccore_hdr_t)); + (uint) sizeof(struct sliccore_hdr)); for (i = 0; i < max_queues; i++) { DBG_MSG("[slicmon] QUEUE 0x%x offset[%x] size[%x]\n", (uint) i, corehdr.queues[i].queueOff, @@ -5706,7 +5706,7 @@ static u32 slic_dump_resume(struct sliccard *card, unsigned char proc) static u32 slic_dump_reg(struct sliccard *card, unsigned char proc) { - pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer; dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, proc); dump->desc = DESC_REG; @@ -5723,7 +5723,7 @@ static u32 slic_dump_reg(struct sliccard *card, unsigned char proc) static u32 slic_dump_data(struct sliccard *card, u32 addr, ushort count, unsigned char desc) { - pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer; dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE); dump->desc = desc; @@ -5740,7 +5740,7 @@ static u32 slic_dump_data(struct sliccard *card, static u32 slic_dump_queue(struct sliccard *card, u32 addr, u32 buf_physh, u32 queue) { - pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer; dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE); dump->desc = DESC_QUEUE; @@ -5756,7 +5756,7 @@ static u32 slic_dump_queue(struct sliccard *card, static u32 slic_dump_load_queue(struct sliccard *card, u32 data, u32 queue) { - pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer; + struct dump_cmd *load = (struct dump_cmd *) card->cmdbuffer; load->cmd = COMMAND_BYTE(CMD_LOAD, 0, PROC_RECEIVE); load->desc = DESC_QUEUE; @@ -5771,7 +5771,7 @@ static u32 slic_dump_load_queue(struct sliccard *card, u32 data, static u32 slic_dump_cam(struct sliccard *card, u32 addr, u32 count, unsigned char desc) { - pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer; + struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer; dump->cmd = COMMAND_BYTE(CMD_CAM_OPS, 0, PROC_NONE); dump->desc = desc; -- GitLab From f25fda728dfb5c23d1147279fc6a537451603369 Mon Sep 17 00:00:00 2001 From: Lior Dotan Date: Wed, 8 Oct 2008 11:37:37 +0200 Subject: [PATCH 3647/6244] Staging: SLICOSS: Call pci_release_regions at driver exit slic_entry_probe() calls pci_request_regions() but there's no matching pci_release_regions() at driver's exit or if slic_entry_probe() fails. Signed-off-by: Lior Dotan Signed-off-by: Greg Kroah-Hartman --- drivers/staging/slicoss/slicoss.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index c129e83e2f4e..b61ac4b2db9e 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -520,6 +520,7 @@ err_out_free_mmio_region: release_mem_region(mmio_start, mmio_len); err_out_exit_slic_probe: + pci_release_regions(pcidev); DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies, smp_processor_id()); @@ -649,6 +650,7 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev) } DBG_MSG("slicoss: %s deallocate device\n", __func__); kfree(dev); + pci_release_regions(pcidev); DBG_MSG("slicoss: %s EXIT\n", __func__); } -- GitLab From 5c7514e0610249a4e7710eefd801c2b0442eb8ea Mon Sep 17 00:00:00 2001 From: "J.R. Mauro" Date: Sun, 5 Oct 2008 20:38:52 -0400 Subject: [PATCH 3648/6244] Staging: Lindent sxg.c Lindent drivers/staging/sxg/sxg.c Signed-off by: J.R. Mauro Signed-off-by: Greg Kroah-Hartman --- drivers/staging/sxg/sxg.c | 146 +++++++++++++++++++++----------------- 1 file changed, 81 insertions(+), 65 deletions(-) diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 0117d5129402..6ccbee875ab3 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -80,9 +80,15 @@ #include "sxgphycode.h" #include "saharadbgdownload.h" -static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size, SXG_BUFFER_TYPE BufferType); -static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void * RcvBlock, dma_addr_t PhysicalAddress, u32 Length); -static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, PSXG_SCATTER_GATHER SxgSgl, dma_addr_t PhysicalAddress, u32 Length); +static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size, + SXG_BUFFER_TYPE BufferType); +static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void *RcvBlock, + dma_addr_t PhysicalAddress, + u32 Length); +static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, + PSXG_SCATTER_GATHER SxgSgl, + dma_addr_t PhysicalAddress, + u32 Length); static void sxg_mcast_init_crc32(void); @@ -100,13 +106,13 @@ static void sxg_complete_slow_send(p_adapter_t adapter); static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event); static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus); static bool sxg_mac_filter(p_adapter_t adapter, - p_ether_header EtherHdr, ushort length); + p_ether_header EtherHdr, ushort length); #if SLIC_GET_STATS_ENABLED static struct net_device_stats *sxg_get_stats(p_net_device dev); #endif -static int sxg_mac_set_address(p_net_device dev, void * ptr); +static int sxg_mac_set_address(p_net_device dev, void *ptr); static void sxg_adapter_set_hwaddr(p_adapter_t adapter); @@ -115,20 +121,19 @@ static void sxg_mcast_set_mask(p_adapter_t adapter); static int sxg_initialize_adapter(p_adapter_t adapter); static void sxg_stock_rcv_buffers(p_adapter_t adapter); -static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index); +static void sxg_complete_descriptor_blocks(p_adapter_t adapter, + unsigned char Index); static int sxg_initialize_link(p_adapter_t adapter); static int sxg_phy_init(p_adapter_t adapter); static void sxg_link_event(p_adapter_t adapter); static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter); static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState); static int sxg_write_mdio_reg(p_adapter_t adapter, - u32 DevAddr, u32 RegAddr, u32 Value); + u32 DevAddr, u32 RegAddr, u32 Value); static int sxg_read_mdio_reg(p_adapter_t adapter, - u32 DevAddr, u32 RegAddr, u32 * pValue); + u32 DevAddr, u32 RegAddr, u32 *pValue); static void sxg_mcast_set_list(p_net_device dev); - - #define XXXTODO 0 static unsigned int sxg_first_init = 1; @@ -164,6 +169,7 @@ static struct pci_device_id sxg_pci_tbl[] __devinitdata = { {PCI_DEVICE(SXG_VENDOR_ID, SXG_DEVICE_ID)}, {0,} }; + MODULE_DEVICE_TABLE(pci, sxg_pci_tbl); /*********************************************************************** @@ -242,7 +248,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel) PSXG_HW_REGS HwRegs = adapter->HwRegs; u32 Section; u32 ThisSectionSize; - u32 * Instruction = NULL; + u32 *Instruction = NULL; u32 BaseAddress, AddressOffset, Address; // u32 Failure; u32 ValueRead; @@ -606,7 +612,7 @@ static void sxg_config_pci(struct pci_dev *pcidev) PCI_COMMAND_MASTER | // Bus master enable PCI_COMMAND_INVALIDATE | // Memory write and invalidate PCI_COMMAND_PARITY | // Parity error response - PCI_COMMAND_SERR | // System ERR + PCI_COMMAND_SERR | // System ERR PCI_COMMAND_FAST_BACK); // Fast back-to-back if (pci_command != new_command) { DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n", @@ -695,17 +701,19 @@ static int sxg_entry_probe(struct pci_dev *pcidev, mmio_start, mmio_len); memmapped_ioaddr = ioremap(mmio_start, mmio_len); - DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__, memmapped_ioaddr); + DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__, + memmapped_ioaddr); if (!memmapped_ioaddr) { DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n", __FUNCTION__, mmio_len, mmio_start); goto err_out_free_mmio_region; } - DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n", + DBG_ERROR + ("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n", __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq); - adapter->HwRegs = (void *) memmapped_ioaddr; + adapter->HwRegs = (void *)memmapped_ioaddr; adapter->base_addr = memmapped_ioaddr; mmio_start = pci_resource_start(pcidev, 2); @@ -715,7 +723,8 @@ static int sxg_entry_probe(struct pci_dev *pcidev, mmio_start, mmio_len); memmapped_ioaddr = ioremap(mmio_start, mmio_len); - DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__, memmapped_ioaddr); + DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__, + memmapped_ioaddr); if (!memmapped_ioaddr) { DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n", __FUNCTION__, mmio_len, mmio_start); @@ -845,7 +854,6 @@ static int sxg_entry_probe(struct pci_dev *pcidev, return -ENODEV; } - /*********************************************************************** * LINE BASE Interrupt routines.. ***********************************************************************/ @@ -957,7 +965,8 @@ static irqreturn_t sxg_isr(int irq, void *dev_id) PSXG_EVENT_RING EventRing = &adapter->EventRings[i]; PSXG_EVENT Event = &EventRing->Ring[adapter->NextEvent[i]]; - unsigned char Cpu = adapter->RssSystemInfo->RssIdToCpu[i]; + unsigned char Cpu = + adapter->RssSystemInfo->RssIdToCpu[i]; if (Event->Status & EVENT_STATUS_VALID) { adapter->IsrDpcsPending++; CpuMask |= (1 << Cpu); @@ -1078,7 +1087,8 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId) if (Isr & SXG_ISR_DEAD) { // Set aside the crash info and set the adapter state to RESET adapter->CrashCpu = - (unsigned char) ((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT); + (unsigned char)((Isr & SXG_ISR_CPU) >> + SXG_ISR_CPU_SHIFT); adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH); adapter->Dead = TRUE; DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __FUNCTION__, @@ -1286,7 +1296,7 @@ static void sxg_complete_slow_send(p_adapter_t adapter) { PSXG_XMT_RING XmtRing = &adapter->XmtRings[0]; PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo; - u32 * ContextType; + u32 *ContextType; PSXG_CMD XmtCmd; // NOTE - This lock is dropped and regrabbed in this loop. @@ -1380,11 +1390,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError", Event, Event->Status, Event->HostHandle, 0); // XXXTODO - Remove this print later - DBG_ERROR("SXG: Receive error %x\n", - *(u32 *) + DBG_ERROR("SXG: Receive error %x\n", *(u32 *) SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)); - sxg_process_rcv_error(adapter, - *(u32 *) + sxg_process_rcv_error(adapter, *(u32 *) SXG_RECEIVE_DATA_LOCATION (RcvDataBufferHdr)); goto drop; @@ -1406,8 +1414,7 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event) // // Dumb-nic frame. See if it passes our mac filter and update stats // - if (!sxg_mac_filter(adapter, - (p_ether_header) + if (!sxg_mac_filter(adapter, (p_ether_header) SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr), Event->Length)) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr", @@ -1527,7 +1534,8 @@ static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus) * Return Value: * TRUE if the frame is to be allowed */ -static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, ushort length) +static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, + ushort length) { bool EqualAddr; @@ -1600,7 +1608,8 @@ static int sxg_register_interrupt(p_adapter_t adapter) ("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x] %x\n", __FUNCTION__, adapter, adapter->netdev->irq, NR_IRQS); - spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + spin_unlock_irqrestore(&sxg_global.driver_lock, + sxg_global.flags); retval = request_irq(adapter->netdev->irq, &sxg_isr, @@ -1729,7 +1738,6 @@ static int sxg_entry_open(p_net_device dev) sxg_global.num_sxg_ports_active++; adapter->activated = 1; } - // Initialize the adapter DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __FUNCTION__); status = sxg_initialize_adapter(adapter); @@ -1786,7 +1794,7 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev) release_mem_region(mmio_start, mmio_len); DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __FUNCTION__, - (unsigned int) dev->base_addr); + (unsigned int)dev->base_addr); iounmap((char *)dev->base_addr); DBG_ERROR("sxg: %s deallocate device\n", __FUNCTION__); @@ -1929,7 +1937,7 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb) { PSCATTER_GATHER_LIST pSgl; PSXG_SCATTER_GATHER SxgSgl; - void * SglBuffer; + void *SglBuffer; u32 SglBufferLength; // The vast majority of work is done in the shared @@ -2038,7 +2046,9 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl) #endif // Fill in the command // Copy out the first SGE to the command and adjust for offset - phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, PCI_DMA_TODEVICE); + phys_addr = + pci_map_single(adapter->pcidev, skb->data, skb->len, + PCI_DMA_TODEVICE); XmtCmd->Buffer.FirstSgeAddress = SXG_GET_ADDR_HIGH(phys_addr); XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32; XmtCmd->Buffer.FirstSgeAddress = @@ -2422,7 +2432,8 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter) return (SXG_LINK_DOWN); } -static void sxg_indicate_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState) +static void sxg_indicate_link_state(p_adapter_t adapter, + SXG_LINK_STATE LinkState) { if (adapter->LinkState == SXG_LINK_UP) { DBG_ERROR("%s: LINK now UP, call netif_start_queue\n", @@ -2487,11 +2498,11 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState) * status */ static int sxg_write_mdio_reg(p_adapter_t adapter, - u32 DevAddr, u32 RegAddr, u32 Value) + u32 DevAddr, u32 RegAddr, u32 Value) { PSXG_HW_REGS HwRegs = adapter->HwRegs; u32 AddrOp; // Address operation (written to MIIM field reg) - u32 WriteOp; // Write operation (written to MIIM field reg) + u32 WriteOp; // Write operation (written to MIIM field reg) u32 Cmd; // Command (written to MIIM command reg) u32 ValueRead; u32 Timeout; @@ -2577,7 +2588,7 @@ static int sxg_write_mdio_reg(p_adapter_t adapter, * status */ static int sxg_read_mdio_reg(p_adapter_t adapter, - u32 DevAddr, u32 RegAddr, u32 * pValue) + u32 DevAddr, u32 RegAddr, u32 *pValue) { PSXG_HW_REGS HwRegs = adapter->HwRegs; u32 AddrOp; // Address operation (written to MIIM field reg) @@ -2698,7 +2709,7 @@ static int sxg_mcast_add_list(p_adapter_t adapter, char *address) * we must then transpose the value and return bits 30-23. * */ -static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */ +static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */ static u32 sxg_crc_init; /* Is table initialized */ /* @@ -2706,7 +2717,7 @@ static u32 sxg_crc_init; /* Is table initialized */ */ static void sxg_mcast_init_crc32(void) { - u32 c; /* CRC shit reg */ + u32 c; /* CRC shit reg */ u32 e = 0; /* Poly X-or pattern */ int i; /* counter */ int k; /* byte being shifted into crc */ @@ -2783,7 +2794,7 @@ static void sxg_mcast_set_list(p_net_device dev) ASSERT(adapter); for (i = 1; i <= mc_count; i++) { - addresses = (char *) & mc_list->dmi_addr; + addresses = (char *)&mc_list->dmi_addr; if (mc_list->dmi_addrlen == 6) { status = sxg_mcast_add_list(adapter, addresses); if (status != STATUS_SUCCESS) { @@ -2833,7 +2844,7 @@ static void sxg_mcast_set_mask(p_adapter_t adapter) PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs; DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __FUNCTION__, - adapter->netdev->name, (unsigned int) adapter->MacFilter, + adapter->netdev->name, (unsigned int)adapter->MacFilter, adapter->MulticastMask); if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) { @@ -2857,12 +2868,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter) ((adapter->MulticastMask >> 32) & 0xFFFFFFFF))); WRITE_REG(sxg_regs->McastLow, - (u32) (adapter->MulticastMask & 0xFFFFFFFF), - FLUSH); + (u32) (adapter->MulticastMask & 0xFFFFFFFF), FLUSH); WRITE_REG(sxg_regs->McastHigh, (u32) ((adapter-> - MulticastMask >> 32) & 0xFFFFFFFF), - FLUSH); + MulticastMask >> 32) & 0xFFFFFFFF), FLUSH); } } @@ -2991,9 +3000,9 @@ void SxgFreeResources(p_adapter_t adapter) * None. */ static void sxg_allocate_complete(p_adapter_t adapter, - void *VirtualAddress, - dma_addr_t PhysicalAddress, - u32 Length, SXG_BUFFER_TYPE Context) + void *VirtualAddress, + dma_addr_t PhysicalAddress, + u32 Length, SXG_BUFFER_TYPE Context) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocCmp", adapter, VirtualAddress, Length, Context); @@ -3008,8 +3017,7 @@ static void sxg_allocate_complete(p_adapter_t adapter, PhysicalAddress, Length); break; case SXG_BUFFER_TYPE_SGL: - sxg_allocate_sgl_buffer_complete(adapter, - (PSXG_SCATTER_GATHER) + sxg_allocate_sgl_buffer_complete(adapter, (PSXG_SCATTER_GATHER) VirtualAddress, PhysicalAddress, Length); break; @@ -3031,10 +3039,10 @@ static void sxg_allocate_complete(p_adapter_t adapter, * int */ static int sxg_allocate_buffer_memory(p_adapter_t adapter, - u32 Size, SXG_BUFFER_TYPE BufferType) + u32 Size, SXG_BUFFER_TYPE BufferType) { int status; - void * Buffer; + void *Buffer; dma_addr_t pBuffer; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem", @@ -3083,8 +3091,9 @@ static int sxg_allocate_buffer_memory(p_adapter_t adapter, * */ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, - void * RcvBlock, - dma_addr_t PhysicalAddress, u32 Length) + void *RcvBlock, + dma_addr_t PhysicalAddress, + u32 Length) { u32 i; u32 BufferSize = adapter->ReceiveBufferSize; @@ -3160,9 +3169,10 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, } // Locate the descriptor block and put it on a separate free queue - RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock + - SXG_RCV_DESCRIPTOR_BLOCK_OFFSET - (BufferSize)); + RcvDescriptorBlock = + (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock + + SXG_RCV_DESCRIPTOR_BLOCK_OFFSET + (BufferSize)); RcvDescriptorBlockHdr = (PSXG_RCV_DESCRIPTOR_BLOCK_HDR) ((unsigned char *)RcvBlock + SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET @@ -3210,8 +3220,9 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, * */ static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, - PSXG_SCATTER_GATHER SxgSgl, - dma_addr_t PhysicalAddress, u32 Length) + PSXG_SCATTER_GATHER SxgSgl, + dma_addr_t PhysicalAddress, + u32 Length) { SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlSglCmp", adapter, SxgSgl, Length, 0); @@ -3228,7 +3239,8 @@ static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, adapter, SxgSgl, Length, 0); } -static unsigned char temp_mac_address[6] = { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 }; +static unsigned char temp_mac_address[6] = + { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 }; static void sxg_adapter_set_hwaddr(p_adapter_t adapter) { @@ -3255,7 +3267,7 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter) } -static int sxg_mac_set_address(p_net_device dev, void * ptr) +static int sxg_mac_set_address(p_net_device dev, void *ptr) { #if XXXTODO p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); @@ -3400,7 +3412,8 @@ static int sxg_initialize_adapter(p_adapter_t adapter) * status */ static int sxg_fill_descriptor_block(p_adapter_t adapter, - PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr) + PSXG_RCV_DESCRIPTOR_BLOCK_HDR + RcvDescriptorBlockHdr) { u32 i; PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo; @@ -3436,7 +3449,8 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter, ASSERT(RcvDataBufferHdr); SXG_REINIATIALIZE_PACKET(RcvDataBufferHdr->SxgDumbRcvPacket); RcvDataBufferHdr->State = SXG_BUFFER_ONCARD; - RcvDescriptorBlock->Descriptors[i].VirtualAddress = (void *)RcvDataBufferHdr; + RcvDescriptorBlock->Descriptors[i].VirtualAddress = + (void *)RcvDataBufferHdr; RcvDescriptorBlock->Descriptors[i].PhysicalAddress = RcvDataBufferHdr->PhysicalAddress; } @@ -3497,7 +3511,9 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter) RcvDescriptorBlockHdr = NULL; if (adapter->FreeRcvBlockCount) { _ple = RemoveHeadList(&adapter->FreeRcvBlocks); - RcvDescriptorBlockHdr = container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR, FreeList); + RcvDescriptorBlockHdr = + container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR, + FreeList); adapter->FreeRcvBlockCount--; RcvDescriptorBlockHdr->State = SXG_BUFFER_BUSY; } @@ -3533,7 +3549,8 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter) * Return * None */ -static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index) +static void sxg_complete_descriptor_blocks(p_adapter_t adapter, + unsigned char Index) { PSXG_RCV_RING RingZero = &adapter->RcvRings[0]; PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo; @@ -3576,7 +3593,6 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char In adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail); } - static struct pci_driver sxg_driver = { .name = DRV_NAME, .id_table = sxg_pci_tbl, -- GitLab From 03010a3350301baac2154fa66de925ae2981b7e3 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Fri, 10 Oct 2008 20:02:48 -0400 Subject: [PATCH 3649/6244] ext4: Rename ext4dev to ext4 The ext4 filesystem is getting stable enough that it's time to drop the "dev" prefix. Also remove the requirement for the TEST_FILESYS flag. Signed-off-by: "Theodore Ts'o" --- Documentation/filesystems/ext4.txt | 8 +-- fs/Kconfig | 88 +++++++++++++++++------------- fs/Makefile | 2 +- fs/ext4/Makefile | 10 ++-- fs/ext4/acl.h | 6 +- fs/ext4/ext4_i.h | 4 +- fs/ext4/file.c | 2 +- fs/ext4/inode.c | 2 +- fs/ext4/namei.c | 6 +- fs/ext4/super.c | 63 ++++++++++++++------- fs/ext4/symlink.c | 4 +- fs/ext4/xattr.c | 8 +-- fs/ext4/xattr.h | 8 +-- 13 files changed, 123 insertions(+), 88 deletions(-) diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 289057958f90..74484e696405 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -32,9 +32,9 @@ Mailing list: linux-ext4@vger.kernel.org you will need to merge your changes with the version from e2fsprogs 1.41.x. - - Create a new filesystem using the ext4dev filesystem type: + - Create a new filesystem using the ext4 filesystem type: - # mke2fs -t ext4dev /dev/hda1 + # mke2fs -t ext4 /dev/hda1 Or configure an existing ext3 filesystem to support extents and set the test_fs flag to indicate that it's ok for an in-development @@ -47,13 +47,13 @@ Mailing list: linux-ext4@vger.kernel.org # tune2fs -I 256 /dev/hda1 - (Note: we currently do not have tools to convert an ext4dev + (Note: we currently do not have tools to convert an ext4 filesystem back to ext3; so please do not do try this on production filesystems.) - Mounting: - # mount -t ext4dev /dev/hda1 /wherever + # mount -t ext4 /dev/hda1 /wherever - When comparing performance with other filesystems, remember that ext3/4 by default offers higher data integrity guarantees than most. diff --git a/fs/Kconfig b/fs/Kconfig index abccb5dab9a8..40183d94b683 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -136,37 +136,51 @@ config EXT3_FS_SECURITY If you are not using a security module that requires using extended attributes for file security labels, say N. -config EXT4DEV_FS - tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)" - depends on EXPERIMENTAL +config EXT4_FS + tristate "The Extended 4 (ext4) filesystem" select JBD2 select CRC16 help - Ext4dev is a predecessor filesystem of the next generation - extended fs ext4, based on ext3 filesystem code. It will be - renamed ext4 fs later, once ext4dev is mature and stabilized. + This is the next generation of the ext3 filesystem. Unlike the change from ext2 filesystem to ext3 filesystem, - the on-disk format of ext4dev is not the same as ext3 any more: - it is based on extent maps and it supports 48-bit physical block - numbers. These combined on-disk format changes will allow - ext4dev/ext4 to handle more than 16 TB filesystem volumes -- - a hard limit that ext3 cannot overcome without changing the - on-disk format. - - Other than extent maps and 48-bit block numbers, ext4dev also is - likely to have other new features such as persistent preallocation, - high resolution time stamps, and larger file support etc. These - features will be added to ext4dev gradually. + the on-disk format of ext4 is not forwards compatible with + ext3; it is based on extent maps and it supports 48-bit + physical block numbers. The ext4 filesystem also supports delayed + allocation, persistent preallocation, high resolution time stamps, + and a number of other features to improve performance and speed + up fsck time. For more information, please see the web pages at + http://ext4.wiki.kernel.org. + + The ext4 filesystem will support mounting an ext3 + filesystem; while there will be some performance gains from + the delayed allocation and inode table readahead, the best + performance gains will require enabling ext4 features in the + filesystem, or formating a new filesystem as an ext4 + filesystem initially. To compile this file system support as a module, choose M here. The module will be called ext4dev. If unsure, say N. -config EXT4DEV_FS_XATTR - bool "Ext4dev extended attributes" - depends on EXT4DEV_FS +config EXT4DEV_COMPAT + bool "Enable ext4dev compatibility" + depends on EXT4_FS + help + Starting with 2.6.28, the name of the ext4 filesystem was + renamed from ext4dev to ext4. Unfortunately there are some + lagecy userspace programs (such as klibc's fstype) have + "ext4dev" hardcoded. + + To enable backwards compatibility so that systems that are + still expecting to mount ext4 filesystems using ext4dev, + chose Y here. This feature will go away by 2.6.31, so + please arrange to get your userspace programs fixed! + +config EXT4_FS_XATTR + bool "Ext4 extended attributes" + depends on EXT4_FS default y help Extended attributes are name:value pairs associated with inodes by @@ -175,11 +189,11 @@ config EXT4DEV_FS_XATTR If unsure, say N. - You need this for POSIX ACL support on ext4dev/ext4. + You need this for POSIX ACL support on ext4. -config EXT4DEV_FS_POSIX_ACL - bool "Ext4dev POSIX Access Control Lists" - depends on EXT4DEV_FS_XATTR +config EXT4_FS_POSIX_ACL + bool "Ext4 POSIX Access Control Lists" + depends on EXT4_FS_XATTR select FS_POSIX_ACL help POSIX Access Control Lists (ACLs) support permissions for users and @@ -190,14 +204,14 @@ config EXT4DEV_FS_POSIX_ACL If you don't know what Access Control Lists are, say N -config EXT4DEV_FS_SECURITY - bool "Ext4dev Security Labels" - depends on EXT4DEV_FS_XATTR +config EXT4_FS_SECURITY + bool "Ext4 Security Labels" + depends on EXT4_FS_XATTR help Security labels support alternative access control models implemented by security modules like SELinux. This option enables an extended attribute handler for file security - labels in the ext4dev/ext4 filesystem. + labels in the ext4 filesystem. If you are not using a security module that requires using extended attributes for file security labels, say N. @@ -240,22 +254,22 @@ config JBD2 help This is a generic journaling layer for block devices that support both 32-bit and 64-bit block numbers. It is currently used by - the ext4dev/ext4 filesystem, but it could also be used to add + the ext4 filesystem, but it could also be used to add journal support to other file systems or block devices such as RAID or LVM. - If you are using ext4dev/ext4, you need to say Y here. If you are not - using ext4dev/ext4 then you will probably want to say N. + If you are using ext4, you need to say Y here. If you are not + using ext4 then you will probably want to say N. To compile this device as a module, choose M here. The module will be - called jbd2. If you are compiling ext4dev/ext4 into the kernel, + called jbd2. If you are compiling ext4 into the kernel, you cannot compile this code as a module. config JBD2_DEBUG - bool "JBD2 (ext4dev/ext4) debugging support" + bool "JBD2 (ext4) debugging support" depends on JBD2 && DEBUG_FS help - If you are using the ext4dev/ext4 journaled file system (or + If you are using the ext4 journaled file system (or potentially any other filesystem/device using JBD2), this option allows you to enable debugging output while the system is running, in order to help track down any problems you are having. @@ -270,9 +284,9 @@ config JBD2_DEBUG config FS_MBCACHE # Meta block cache for Extended Attributes (ext2/ext3/ext4) tristate - depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR - default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y - default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m + depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR + default y if EXT2_FS=y || EXT3_FS=y || EXT4_FS=y + default m if EXT2_FS=m || EXT3_FS=m || EXT4_FS=m config REISERFS_FS tristate "Reiserfs support" diff --git a/fs/Makefile b/fs/Makefile index a1482a5eff15..de404b00eb0c 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -69,7 +69,7 @@ obj-$(CONFIG_DLM) += dlm/ # Do not add any filesystems before this line obj-$(CONFIG_REISERFS_FS) += reiserfs/ obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3 -obj-$(CONFIG_EXT4DEV_FS) += ext4/ # Before ext2 so root fs can be ext4dev +obj-$(CONFIG_EXT4_FS) += ext4/ # Before ext2 so root fs can be ext4dev obj-$(CONFIG_JBD) += jbd/ obj-$(CONFIG_JBD2) += jbd2/ obj-$(CONFIG_EXT2_FS) += ext2/ diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile index ac6fa8ca0a2f..a8ff003a00f7 100644 --- a/fs/ext4/Makefile +++ b/fs/ext4/Makefile @@ -2,12 +2,12 @@ # Makefile for the linux ext4-filesystem routines. # -obj-$(CONFIG_EXT4DEV_FS) += ext4dev.o +obj-$(CONFIG_EXT4_FS) += ext4.o -ext4dev-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o \ +ext4-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o \ ioctl.o namei.o super.o symlink.o hash.o resize.o extents.o \ ext4_jbd2.o migrate.o mballoc.o -ext4dev-$(CONFIG_EXT4DEV_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o -ext4dev-$(CONFIG_EXT4DEV_FS_POSIX_ACL) += acl.o -ext4dev-$(CONFIG_EXT4DEV_FS_SECURITY) += xattr_security.o +ext4-$(CONFIG_EXT4_FS_XATTR) += xattr.o xattr_user.o xattr_trusted.o +ext4-$(CONFIG_EXT4_FS_POSIX_ACL) += acl.o +ext4-$(CONFIG_EXT4_FS_SECURITY) += xattr_security.o diff --git a/fs/ext4/acl.h b/fs/ext4/acl.h index 4c9948f69f8b..cb45257a246e 100644 --- a/fs/ext4/acl.h +++ b/fs/ext4/acl.h @@ -51,7 +51,7 @@ static inline int ext4_acl_count(size_t size) } } -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL /* Value for inode->u.ext4_i.i_acl and inode->u.ext4_i.i_default_acl if the ACL has not been cached */ @@ -62,7 +62,7 @@ extern int ext4_permission(struct inode *, int); extern int ext4_acl_chmod(struct inode *); extern int ext4_init_acl(handle_t *, struct inode *, struct inode *); -#else /* CONFIG_EXT4DEV_FS_POSIX_ACL */ +#else /* CONFIG_EXT4_FS_POSIX_ACL */ #include #define ext4_permission NULL @@ -77,5 +77,5 @@ ext4_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) { return 0; } -#endif /* CONFIG_EXT4DEV_FS_POSIX_ACL */ +#endif /* CONFIG_EXT4_FS_POSIX_ACL */ diff --git a/fs/ext4/ext4_i.h b/fs/ext4/ext4_i.h index 2875eeca1727..5c124c0ac6d3 100644 --- a/fs/ext4/ext4_i.h +++ b/fs/ext4/ext4_i.h @@ -66,7 +66,7 @@ struct ext4_inode_info { __u32 i_state; /* Dynamic state flags for ext4 */ ext4_lblk_t i_dir_start_lookup; -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR /* * Extended attributes can be read independently of the main file * data. Taking i_mutex even when reading would cause contention @@ -76,7 +76,7 @@ struct ext4_inode_info { */ struct rw_semaphore xattr_sem; #endif -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL struct posix_acl *i_acl; struct posix_acl *i_default_acl; #endif diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6d5be156202a..6bd11fba71f7 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -165,7 +165,7 @@ const struct inode_operations ext4_file_inode_operations = { .truncate = ext4_truncate, .setattr = ext4_setattr, .getattr = ext4_getattr, -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, .listxattr = ext4_listxattr, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index a4747867411f..9b4ec9decfd1 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4041,7 +4041,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) return inode; ei = EXT4_I(inode); -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL ei->i_acl = EXT4_ACL_NOT_CACHED; ei->i_default_acl = EXT4_ACL_NOT_CACHED; #endif diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 5295a9225cf9..92db9e945147 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1773,7 +1773,7 @@ retry: err = PTR_ERR(inode); if (!IS_ERR(inode)) { init_special_inode(inode, inode->i_mode, rdev); -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR inode->i_op = &ext4_special_inode_operations; #endif err = ext4_add_nondir(handle, dentry, inode); @@ -2456,7 +2456,7 @@ const struct inode_operations ext4_dir_inode_operations = { .mknod = ext4_mknod, .rename = ext4_rename, .setattr = ext4_setattr, -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, .listxattr = ext4_listxattr, @@ -2467,7 +2467,7 @@ const struct inode_operations ext4_dir_inode_operations = { const struct inode_operations ext4_special_inode_operations = { .setattr = ext4_setattr, -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, .listxattr = ext4_listxattr, diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 7d865608e817..0e661c569660 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -569,7 +569,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) ei = kmem_cache_alloc(ext4_inode_cachep, GFP_NOFS); if (!ei) return NULL; -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL ei->i_acl = EXT4_ACL_NOT_CACHED; ei->i_default_acl = EXT4_ACL_NOT_CACHED; #endif @@ -605,7 +605,7 @@ static void init_once(void *foo) struct ext4_inode_info *ei = (struct ext4_inode_info *) foo; INIT_LIST_HEAD(&ei->i_orphan); -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR init_rwsem(&ei->xattr_sem); #endif init_rwsem(&ei->i_data_sem); @@ -631,7 +631,7 @@ static void destroy_inodecache(void) static void ext4_clear_inode(struct inode *inode) { -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL if (EXT4_I(inode)->i_acl && EXT4_I(inode)->i_acl != EXT4_ACL_NOT_CACHED) { posix_acl_release(EXT4_I(inode)->i_acl); @@ -720,7 +720,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",debug"); if (test_opt(sb, OLDALLOC)) seq_puts(seq, ",oldalloc"); -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR if (test_opt(sb, XATTR_USER) && !(def_mount_opts & EXT4_DEFM_XATTR_USER)) seq_puts(seq, ",user_xattr"); @@ -729,7 +729,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",nouser_xattr"); } #endif -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL if (test_opt(sb, POSIX_ACL) && !(def_mount_opts & EXT4_DEFM_ACL)) seq_puts(seq, ",acl"); if (!test_opt(sb, POSIX_ACL) && (def_mount_opts & EXT4_DEFM_ACL)) @@ -1078,7 +1078,7 @@ static int parse_options(char *options, struct super_block *sb, case Opt_orlov: clear_opt(sbi->s_mount_opt, OLDALLOC); break; -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR case Opt_user_xattr: set_opt(sbi->s_mount_opt, XATTR_USER); break; @@ -1092,7 +1092,7 @@ static int parse_options(char *options, struct super_block *sb, "not supported\n"); break; #endif -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL case Opt_acl: set_opt(sbi->s_mount_opt, POSIX_ACL); break; @@ -1987,11 +1987,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) set_opt(sbi->s_mount_opt, GRPID); if (def_mount_opts & EXT4_DEFM_UID16) set_opt(sbi->s_mount_opt, NO_UID32); -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR if (def_mount_opts & EXT4_DEFM_XATTR_USER) set_opt(sbi->s_mount_opt, XATTR_USER); #endif -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL if (def_mount_opts & EXT4_DEFM_ACL) set_opt(sbi->s_mount_opt, POSIX_ACL); #endif @@ -2049,16 +2049,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) "EXT4-fs warning: feature flags set on rev 0 fs, " "running e2fsck is recommended\n"); - /* - * Since ext4 is still considered development code, we require - * that the TEST_FILESYS flag in s->flags be set. - */ - if (!(le32_to_cpu(es->s_flags) & EXT2_FLAGS_TEST_FILESYS)) { - printk(KERN_WARNING "EXT4-fs: %s: not marked " - "OK to use with test code.\n", sb->s_id); - goto failed_mount; - } - /* * Check feature flags regardless of the revision level, since we * previously didn't change the revision level when setting the flags, @@ -3580,13 +3570,34 @@ const struct file_operations ext4_ui_proc_fops = { }; #endif +static struct file_system_type ext4_fs_type = { + .owner = THIS_MODULE, + .name = "ext4", + .get_sb = ext4_get_sb, + .kill_sb = kill_block_super, + .fs_flags = FS_REQUIRES_DEV, +}; + +#ifdef CONFIG_EXT4DEV_COMPAT +static int ext4dev_get_sb(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data, struct vfsmount *mnt) +{ + printk(KERN_WARNING "EXT4-fs: Update your userspace programs " + "to mount using ext4\n"); + printk(KERN_WARNING "EXT4-fs: ext4dev backwards compatibility " + "will go away by 2.6.31\n"); + return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super, mnt); +} + static struct file_system_type ext4dev_fs_type = { .owner = THIS_MODULE, .name = "ext4dev", - .get_sb = ext4_get_sb, + .get_sb = ext4dev_get_sb, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, }; +MODULE_ALIAS("ext4dev"); +#endif static int __init init_ext4_fs(void) { @@ -3603,9 +3614,16 @@ static int __init init_ext4_fs(void) err = init_inodecache(); if (err) goto out1; - err = register_filesystem(&ext4dev_fs_type); + err = register_filesystem(&ext4_fs_type); if (err) goto out; +#ifdef CONFIG_EXT4DEV_COMPAT + err = register_filesystem(&ext4dev_fs_type); + if (err) { + unregister_filesystem(&ext4_fs_type); + goto out; + } +#endif return 0; out: destroy_inodecache(); @@ -3618,7 +3636,10 @@ out2: static void __exit exit_ext4_fs(void) { + unregister_filesystem(&ext4_fs_type); +#ifdef CONFIG_EXT4DEV_COMPAT unregister_filesystem(&ext4dev_fs_type); +#endif destroy_inodecache(); exit_ext4_xattr(); exit_ext4_mballoc(); diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index 0013d52f73bb..00740cb32be3 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -34,7 +34,7 @@ const struct inode_operations ext4_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, .listxattr = ext4_listxattr, @@ -45,7 +45,7 @@ const struct inode_operations ext4_symlink_inode_operations = { const struct inode_operations ext4_fast_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = ext4_follow_link, -#ifdef CONFIG_EXT4DEV_FS_XATTR +#ifdef CONFIG_EXT4_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, .listxattr = ext4_listxattr, diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 362b0edd3dbe..80626d516fee 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -99,12 +99,12 @@ static struct mb_cache *ext4_xattr_cache; static struct xattr_handler *ext4_xattr_handler_map[] = { [EXT4_XATTR_INDEX_USER] = &ext4_xattr_user_handler, -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL [EXT4_XATTR_INDEX_POSIX_ACL_ACCESS] = &ext4_xattr_acl_access_handler, [EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT] = &ext4_xattr_acl_default_handler, #endif [EXT4_XATTR_INDEX_TRUSTED] = &ext4_xattr_trusted_handler, -#ifdef CONFIG_EXT4DEV_FS_SECURITY +#ifdef CONFIG_EXT4_FS_SECURITY [EXT4_XATTR_INDEX_SECURITY] = &ext4_xattr_security_handler, #endif }; @@ -112,11 +112,11 @@ static struct xattr_handler *ext4_xattr_handler_map[] = { struct xattr_handler *ext4_xattr_handlers[] = { &ext4_xattr_user_handler, &ext4_xattr_trusted_handler, -#ifdef CONFIG_EXT4DEV_FS_POSIX_ACL +#ifdef CONFIG_EXT4_FS_POSIX_ACL &ext4_xattr_acl_access_handler, &ext4_xattr_acl_default_handler, #endif -#ifdef CONFIG_EXT4DEV_FS_SECURITY +#ifdef CONFIG_EXT4_FS_SECURITY &ext4_xattr_security_handler, #endif NULL diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h index 814ea58d4d57..8ede88b18c29 100644 --- a/fs/ext4/xattr.h +++ b/fs/ext4/xattr.h @@ -63,7 +63,7 @@ struct ext4_xattr_entry { EXT4_I(inode)->i_extra_isize)) #define IFIRST(hdr) ((struct ext4_xattr_entry *)((hdr)+1)) -# ifdef CONFIG_EXT4DEV_FS_XATTR +# ifdef CONFIG_EXT4_FS_XATTR extern struct xattr_handler ext4_xattr_user_handler; extern struct xattr_handler ext4_xattr_trusted_handler; @@ -88,7 +88,7 @@ extern void exit_ext4_xattr(void); extern struct xattr_handler *ext4_xattr_handlers[]; -# else /* CONFIG_EXT4DEV_FS_XATTR */ +# else /* CONFIG_EXT4_FS_XATTR */ static inline int ext4_xattr_get(struct inode *inode, int name_index, const char *name, @@ -141,9 +141,9 @@ ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize, #define ext4_xattr_handlers NULL -# endif /* CONFIG_EXT4DEV_FS_XATTR */ +# endif /* CONFIG_EXT4_FS_XATTR */ -#ifdef CONFIG_EXT4DEV_FS_SECURITY +#ifdef CONFIG_EXT4_FS_SECURITY extern int ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir); #else -- GitLab From cab893d9096a2cfe604fcad84c745def3a31a721 Mon Sep 17 00:00:00 2001 From: Martin Michlmayr Date: Fri, 17 Oct 2008 15:03:38 -0400 Subject: [PATCH 3650/6244] ext4: Remove an old reference to ext4dev in Makefile comment Remove an old reference to ext4dev. Signed-off-by: Martin Michlmayr Signed-off-by: Theodore Ts'o --- fs/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Makefile b/fs/Makefile index d0c69f57e5bf..2168c902d5ca 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -71,7 +71,7 @@ obj-$(CONFIG_DLM) += dlm/ # Do not add any filesystems before this line obj-$(CONFIG_REISERFS_FS) += reiserfs/ obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3 -obj-$(CONFIG_EXT4_FS) += ext4/ # Before ext2 so root fs can be ext4dev +obj-$(CONFIG_EXT4_FS) += ext4/ # Before ext2 so root fs can be ext4 obj-$(CONFIG_JBD) += jbd/ obj-$(CONFIG_JBD2) += jbd2/ obj-$(CONFIG_EXT2_FS) += ext2/ -- GitLab From 473dc8eddb049055ef823e000ad968ebd56cdaca Mon Sep 17 00:00:00 2001 From: Manish Katiyar Date: Mon, 13 Oct 2008 09:01:02 -0400 Subject: [PATCH 3651/6244] ext4: Fix Kconfig typo for ext4dev Looks like there is one more instance where ext4dev should be changed to ext4 because the module name will be "ext4" unless EXT4DEV_COMPAT is selected. Signed-off-by: Manish Katiyar Signed-off-by: Theodore Ts'o --- fs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Kconfig b/fs/Kconfig index 9e9d70c02a07..d0a1174fb516 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -160,7 +160,7 @@ config EXT4_FS filesystem initially. To compile this file system support as a module, choose M here. The - module will be called ext4dev. + module will be called ext4. If unsure, say N. -- GitLab From 688f05a01983711a4e715b1d6e15a89a89c96a66 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 13 Oct 2008 12:14:14 -0400 Subject: [PATCH 3652/6244] ext4: Free ext4_prealloc_space using kmem_cache_free We should use kmem_cache_free to free memory allocated via kmem_cache_alloc Signed-off-by: Aneesh Kumar K.V Signed-off-by: Theodore Ts'o --- fs/ext4/mballoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index b580714f0d85..154f8dec97ea 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2568,7 +2568,7 @@ static void ext4_mb_cleanup_pa(struct ext4_group_info *grp) pa = list_entry(cur, struct ext4_prealloc_space, pa_group_list); list_del(&pa->pa_group_list); count++; - kfree(pa); + kmem_cache_free(ext4_pspace_cachep, pa); } if (count) mb_debug("mballoc: %u PAs left\n", count); -- GitLab From c2774d84fd6cab2bfa2a2fae0b1ca8d8ebde48a2 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Fri, 10 Oct 2008 20:07:20 -0400 Subject: [PATCH 3653/6244] ext4: Do mballoc init before doing filesystem recovery During filesystem recovery we may be doing a truncate which expects some of the mballoc data structures to be initialized. So do ext4_mb_init before recovery. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Theodore Ts'o --- fs/ext4/super.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index dea8f13c2fd9..4f41107021cf 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2456,6 +2456,21 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) "available.\n"); } + if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { + printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - " + "requested data journaling mode\n"); + clear_opt(sbi->s_mount_opt, DELALLOC); + } else if (test_opt(sb, DELALLOC)) + printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n"); + + ext4_ext_init(sb); + err = ext4_mb_init(sb, needs_recovery); + if (err) { + printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n", + err); + goto failed_mount4; + } + /* * akpm: core read_super() calls in here with the superblock locked. * That deadlocks, because orphan cleanup needs to lock the superblock @@ -2475,21 +2490,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered": "writeback"); - if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { - printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - " - "requested data journaling mode\n"); - clear_opt(sbi->s_mount_opt, DELALLOC); - } else if (test_opt(sb, DELALLOC)) - printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n"); - - ext4_ext_init(sb); - err = ext4_mb_init(sb, needs_recovery); - if (err) { - printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n", - err); - goto failed_mount4; - } - lock_kernel(); return 0; -- GitLab From c894058d66637c7720569fbe12957f4de64d9991 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Thu, 16 Oct 2008 10:14:27 -0400 Subject: [PATCH 3654/6244] ext4: Use an rbtree for tracking blocks freed during transaction. With this patch we track the block freed during a transaction using red-black tree. We also make sure contiguous blocks freed are collected in one node in the tree. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Theodore Ts'o --- fs/ext4/mballoc.c | 184 +++++++++++++++++++++++++++++----------------- fs/ext4/mballoc.h | 26 ++++--- 2 files changed, 133 insertions(+), 77 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 154f8dec97ea..bd9b011941a2 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2300,6 +2300,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group, } INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list); + meta_group_info[i]->bb_free_root.rb_node = NULL;; #ifdef DOUBLE_CHECK { @@ -2647,13 +2648,11 @@ int ext4_mb_release(struct super_block *sb) static noinline_for_stack void ext4_mb_free_committed_blocks(struct super_block *sb) { - struct ext4_sb_info *sbi = EXT4_SB(sb); - int err; - int i; - int count = 0; - int count2 = 0; - struct ext4_free_metadata *md; struct ext4_buddy e4b; + struct ext4_group_info *db; + struct ext4_sb_info *sbi = EXT4_SB(sb); + int err, count = 0, count2 = 0; + struct ext4_free_data *entry; if (list_empty(&sbi->s_committed_transaction)) return; @@ -2661,44 +2660,46 @@ ext4_mb_free_committed_blocks(struct super_block *sb) /* there is committed blocks to be freed yet */ do { /* get next array of blocks */ - md = NULL; + entry = NULL; spin_lock(&sbi->s_md_lock); if (!list_empty(&sbi->s_committed_transaction)) { - md = list_entry(sbi->s_committed_transaction.next, - struct ext4_free_metadata, list); - list_del(&md->list); + entry = list_entry(sbi->s_committed_transaction.next, + struct ext4_free_data, list); + list_del(&entry->list); } spin_unlock(&sbi->s_md_lock); - if (md == NULL) + if (entry == NULL) break; mb_debug("gonna free %u blocks in group %lu (0x%p):", - md->num, md->group, md); + entry->count, entry->group, entry); - err = ext4_mb_load_buddy(sb, md->group, &e4b); + err = ext4_mb_load_buddy(sb, entry->group, &e4b); /* we expect to find existing buddy because it's pinned */ BUG_ON(err != 0); + db = e4b.bd_info; /* there are blocks to put in buddy to make them really free */ - count += md->num; + count += entry->count; count2++; - ext4_lock_group(sb, md->group); - for (i = 0; i < md->num; i++) { - mb_debug(" %u", md->blocks[i]); - mb_free_blocks(NULL, &e4b, md->blocks[i], 1); + ext4_lock_group(sb, entry->group); + /* Take it out of per group rb tree */ + rb_erase(&entry->node, &(db->bb_free_root)); + mb_free_blocks(NULL, &e4b, entry->start_blk, entry->count); + + if (!db->bb_free_root.rb_node) { + /* No more items in the per group rb tree + * balance refcounts from ext4_mb_free_metadata() + */ + page_cache_release(e4b.bd_buddy_page); + page_cache_release(e4b.bd_bitmap_page); } - mb_debug("\n"); - ext4_unlock_group(sb, md->group); - - /* balance refcounts from ext4_mb_free_metadata() */ - page_cache_release(e4b.bd_buddy_page); - page_cache_release(e4b.bd_bitmap_page); + ext4_unlock_group(sb, entry->group); - kfree(md); + kmem_cache_free(ext4_free_ext_cachep, entry); ext4_mb_release_desc(&e4b); - - } while (md); + } while (1); mb_debug("freed %u blocks in %u structures\n", count, count2); } @@ -2771,6 +2772,16 @@ int __init init_ext4_mballoc(void) kmem_cache_destroy(ext4_pspace_cachep); return -ENOMEM; } + + ext4_free_ext_cachep = + kmem_cache_create("ext4_free_block_extents", + sizeof(struct ext4_free_data), + 0, SLAB_RECLAIM_ACCOUNT, NULL); + if (ext4_free_ext_cachep == NULL) { + kmem_cache_destroy(ext4_pspace_cachep); + kmem_cache_destroy(ext4_ac_cachep); + return -ENOMEM; + } return 0; } @@ -2779,6 +2790,7 @@ void exit_ext4_mballoc(void) /* XXX: synchronize_rcu(); */ kmem_cache_destroy(ext4_pspace_cachep); kmem_cache_destroy(ext4_ac_cachep); + kmem_cache_destroy(ext4_free_ext_cachep); } @@ -4415,6 +4427,21 @@ static void ext4_mb_poll_new_transaction(struct super_block *sb, ext4_mb_free_committed_blocks(sb); } +/* + * We can merge two free data extents only if the physical blocks + * are contiguous, AND the extents were freed by the same transaction, + * AND the blocks are associated with the same group. + */ +static int can_merge(struct ext4_free_data *entry1, + struct ext4_free_data *entry2) +{ + if ((entry1->t_tid == entry2->t_tid) && + (entry1->group == entry2->group) && + ((entry1->start_blk + entry1->count) == entry2->start_blk)) + return 1; + return 0; +} + static noinline_for_stack int ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, ext4_group_t group, ext4_grpblk_t block, int count) @@ -4422,57 +4449,80 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b, struct ext4_group_info *db = e4b->bd_info; struct super_block *sb = e4b->bd_sb; struct ext4_sb_info *sbi = EXT4_SB(sb); - struct ext4_free_metadata *md; - int i; + struct ext4_free_data *entry, *new_entry; + struct rb_node **n = &db->bb_free_root.rb_node, *node; + struct rb_node *parent = NULL, *new_node; + BUG_ON(e4b->bd_bitmap_page == NULL); BUG_ON(e4b->bd_buddy_page == NULL); + new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS); + new_entry->start_blk = block; + new_entry->group = group; + new_entry->count = count; + new_entry->t_tid = handle->h_transaction->t_tid; + new_node = &new_entry->node; + ext4_lock_group(sb, group); - for (i = 0; i < count; i++) { - md = db->bb_md_cur; - if (md && db->bb_tid != handle->h_transaction->t_tid) { - db->bb_md_cur = NULL; - md = NULL; + if (!*n) { + /* first free block exent. We need to + protect buddy cache from being freed, + * otherwise we'll refresh it from + * on-disk bitmap and lose not-yet-available + * blocks */ + page_cache_get(e4b->bd_buddy_page); + page_cache_get(e4b->bd_bitmap_page); + } + while (*n) { + parent = *n; + entry = rb_entry(parent, struct ext4_free_data, node); + if (block < entry->start_blk) + n = &(*n)->rb_left; + else if (block >= (entry->start_blk + entry->count)) + n = &(*n)->rb_right; + else { + ext4_error(sb, __func__, + "Double free of blocks %d (%d %d)\n", + block, entry->start_blk, entry->count); + return 0; } + } - if (md == NULL) { - ext4_unlock_group(sb, group); - md = kmalloc(sizeof(*md), GFP_NOFS); - if (md == NULL) - return -ENOMEM; - md->num = 0; - md->group = group; - - ext4_lock_group(sb, group); - if (db->bb_md_cur == NULL) { - spin_lock(&sbi->s_md_lock); - list_add(&md->list, &sbi->s_active_transaction); - spin_unlock(&sbi->s_md_lock); - /* protect buddy cache from being freed, - * otherwise we'll refresh it from - * on-disk bitmap and lose not-yet-available - * blocks */ - page_cache_get(e4b->bd_buddy_page); - page_cache_get(e4b->bd_bitmap_page); - db->bb_md_cur = md; - db->bb_tid = handle->h_transaction->t_tid; - mb_debug("new md 0x%p for group %lu\n", - md, md->group); - } else { - kfree(md); - md = db->bb_md_cur; - } + rb_link_node(new_node, parent, n); + rb_insert_color(new_node, &db->bb_free_root); + + /* Now try to see the extent can be merged to left and right */ + node = rb_prev(new_node); + if (node) { + entry = rb_entry(node, struct ext4_free_data, node); + if (can_merge(entry, new_entry)) { + new_entry->start_blk = entry->start_blk; + new_entry->count += entry->count; + rb_erase(node, &(db->bb_free_root)); + spin_lock(&sbi->s_md_lock); + list_del(&entry->list); + spin_unlock(&sbi->s_md_lock); + kmem_cache_free(ext4_free_ext_cachep, entry); } + } - BUG_ON(md->num >= EXT4_BB_MAX_BLOCKS); - md->blocks[md->num] = block + i; - md->num++; - if (md->num == EXT4_BB_MAX_BLOCKS) { - /* no more space, put full container on a sb's list */ - db->bb_md_cur = NULL; + node = rb_next(new_node); + if (node) { + entry = rb_entry(node, struct ext4_free_data, node); + if (can_merge(new_entry, entry)) { + new_entry->count += entry->count; + rb_erase(node, &(db->bb_free_root)); + spin_lock(&sbi->s_md_lock); + list_del(&entry->list); + spin_unlock(&sbi->s_md_lock); + kmem_cache_free(ext4_free_ext_cachep, entry); } } + /* Add the extent to active_transaction list */ + spin_lock(&sbi->s_md_lock); + list_add(&new_entry->list, &sbi->s_active_transaction); + spin_unlock(&sbi->s_md_lock); ext4_unlock_group(sb, group); return 0; } diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h index b3b4828f8b89..9e815c4e37df 100644 --- a/fs/ext4/mballoc.h +++ b/fs/ext4/mballoc.h @@ -98,23 +98,29 @@ static struct kmem_cache *ext4_pspace_cachep; static struct kmem_cache *ext4_ac_cachep; +static struct kmem_cache *ext4_free_ext_cachep; -#ifdef EXT4_BB_MAX_BLOCKS -#undef EXT4_BB_MAX_BLOCKS -#endif -#define EXT4_BB_MAX_BLOCKS 30 +struct ext4_free_data { + /* this links the free block information from group_info */ + struct rb_node node; -struct ext4_free_metadata { - ext4_group_t group; - unsigned short num; - ext4_grpblk_t blocks[EXT4_BB_MAX_BLOCKS]; + /* this links the free block information from ext4_sb_info */ struct list_head list; + + /* group which free block extent belongs */ + ext4_group_t group; + + /* free block extent */ + ext4_grpblk_t start_blk; + ext4_grpblk_t count; + + /* transaction which freed this extent */ + tid_t t_tid; }; struct ext4_group_info { unsigned long bb_state; - unsigned long bb_tid; - struct ext4_free_metadata *bb_md_cur; + struct rb_root bb_free_root; unsigned short bb_first_free; unsigned short bb_free; unsigned short bb_fragments; -- GitLab From a1aebc1e2da9a7bee4ff8cce510b08f469d1929e Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Fri, 10 Oct 2008 20:13:31 -0400 Subject: [PATCH 3655/6244] ext4: Don't reuse released data blocks until transaction commits We need to make sure we don't reuse the data blocks released during the transaction untill the transaction commits. We force this mode only for ordered and journalled mode. Writeback mode already don't provided data consistency. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Theodore Ts'o --- fs/ext4/balloc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index bd2ece228827..b9821be709bd 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -568,8 +568,16 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode, /* this isn't the right place to decide whether block is metadata * inode.c/extents.c knows better, but for safety ... */ - if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode) || - ext4_should_journal_data(inode)) + if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)) + metadata = 1; + + /* We need to make sure we don't reuse + * block released untill the transaction commit. + * writeback mode have weak data consistency so + * don't force data as metadata when freeing block + * for writeback mode. + */ + if (metadata == 0 && !ext4_should_writeback_data(inode)) metadata = 1; sb = inode->i_sb; -- GitLab From 77e841de8abac4755cc83ca224fdf71418d65380 Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Sun, 12 Oct 2008 16:39:16 -0400 Subject: [PATCH 3656/6244] jbd2: abort when failed to log metadata buffers If we failed to write metadata buffers to the journal space and succeeded to write the commit record, stale data can be written back to the filesystem as metadata in the recovery phase. To avoid this, when we failed to write out metadata buffers, abort the journal before writing the commit record. We can also avoid this kind of corruption by using the journal checksum feature because it can detect invalid metadata blocks in the journal and avoid them from being replayed. So we don't need to care about asynchronous commit record writeout with a checksum. Signed-off-by: Hidehiro Kawai Signed-off-by: Theodore Ts'o --- fs/jbd2/commit.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 0d3814a35ed1..78e4da934121 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -783,6 +783,9 @@ wait_for_iobuf: /* AKPM: bforget here */ } + if (err) + jbd2_journal_abort(journal, err); + jbd_debug(3, "JBD: commit phase 5\n"); if (!JBD2_HAS_INCOMPAT_FEATURE(journal, -- GitLab From 44519faf22ad6ce924ad0352d3dc200d9e0b66e8 Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Fri, 10 Oct 2008 20:29:13 -0400 Subject: [PATCH 3657/6244] jbd2: fix error handling for checkpoint io When a checkpointing IO fails, current JBD2 code doesn't check the error and continue journaling. This means latest metadata can be lost from both the journal and filesystem. This patch leaves the failed metadata blocks in the journal space and aborts journaling in the case of jbd2_log_do_checkpoint(). To achieve this, we need to do: 1. don't remove the failed buffer from the checkpoint list where in the case of __try_to_free_cp_buf() because it may be released or overwritten by a later transaction 2. jbd2_log_do_checkpoint() is the last chance, remove the failed buffer from the checkpoint list and abort the journal 3. when checkpointing fails, don't update the journal super block to prevent the journaled contents from being cleaned. For safety, don't update j_tail and j_tail_sequence either 4. when checkpointing fails, notify this error to the ext4 layer so that ext4 don't clear the needs_recovery flag, otherwise the journaled contents are ignored and cleaned in the recovery phase 5. if the recovery fails, keep the needs_recovery flag 6. prevent jbd2_cleanup_journal_tail() from being called between __jbd2_journal_drop_transaction() and jbd2_journal_abort() (a possible race issue between jbd2_log_do_checkpoint()s called by jbd2_journal_flush() and __jbd2_log_wait_for_space()) Signed-off-by: Hidehiro Kawai Signed-off-by: Theodore Ts'o --- fs/jbd2/checkpoint.c | 49 +++++++++++++++++++++++++++++++++----------- fs/jbd2/journal.c | 28 +++++++++++++++++++------ fs/jbd2/recovery.c | 7 +++++-- include/linux/jbd2.h | 2 +- 4 files changed, 65 insertions(+), 21 deletions(-) diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c index 42895d369458..9203c3332f17 100644 --- a/fs/jbd2/checkpoint.c +++ b/fs/jbd2/checkpoint.c @@ -94,7 +94,8 @@ static int __try_to_free_cp_buf(struct journal_head *jh) int ret = 0; struct buffer_head *bh = jh2bh(jh); - if (jh->b_jlist == BJ_None && !buffer_locked(bh) && !buffer_dirty(bh)) { + if (jh->b_jlist == BJ_None && !buffer_locked(bh) && + !buffer_dirty(bh) && !buffer_write_io_error(bh)) { JBUFFER_TRACE(jh, "remove from checkpoint list"); ret = __jbd2_journal_remove_checkpoint(jh) + 1; jbd_unlock_bh_state(bh); @@ -176,21 +177,25 @@ static void jbd_sync_bh(journal_t *journal, struct buffer_head *bh) * buffers. Note that we take the buffers in the opposite ordering * from the one in which they were submitted for IO. * + * Return 0 on success, and return <0 if some buffers have failed + * to be written out. + * * Called with j_list_lock held. */ -static void __wait_cp_io(journal_t *journal, transaction_t *transaction) +static int __wait_cp_io(journal_t *journal, transaction_t *transaction) { struct journal_head *jh; struct buffer_head *bh; tid_t this_tid; int released = 0; + int ret = 0; this_tid = transaction->t_tid; restart: /* Did somebody clean up the transaction in the meanwhile? */ if (journal->j_checkpoint_transactions != transaction || transaction->t_tid != this_tid) - return; + return ret; while (!released && transaction->t_checkpoint_io_list) { jh = transaction->t_checkpoint_io_list; bh = jh2bh(jh); @@ -210,6 +215,9 @@ restart: spin_lock(&journal->j_list_lock); goto restart; } + if (unlikely(buffer_write_io_error(bh))) + ret = -EIO; + /* * Now in whatever state the buffer currently is, we know that * it has been written out and so we can drop it from the list @@ -219,6 +227,8 @@ restart: jbd2_journal_remove_journal_head(bh); __brelse(bh); } + + return ret; } #define NR_BATCH 64 @@ -242,7 +252,8 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count) * Try to flush one buffer from the checkpoint list to disk. * * Return 1 if something happened which requires us to abort the current - * scan of the checkpoint list. + * scan of the checkpoint list. Return <0 if the buffer has failed to + * be written out. * * Called with j_list_lock held and drops it if 1 is returned * Called under jbd_lock_bh_state(jh2bh(jh)), and drops it @@ -274,6 +285,9 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh, jbd2_log_wait_commit(journal, tid); ret = 1; } else if (!buffer_dirty(bh)) { + ret = 1; + if (unlikely(buffer_write_io_error(bh))) + ret = -EIO; J_ASSERT_JH(jh, !buffer_jbddirty(bh)); BUFFER_TRACE(bh, "remove from checkpoint"); __jbd2_journal_remove_checkpoint(jh); @@ -281,7 +295,6 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh, jbd_unlock_bh_state(bh); jbd2_journal_remove_journal_head(bh); __brelse(bh); - ret = 1; } else { /* * Important: we are about to write the buffer, and @@ -314,6 +327,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh, * to disk. We submit larger chunks of data at once. * * The journal should be locked before calling this function. + * Called with j_checkpoint_mutex held. */ int jbd2_log_do_checkpoint(journal_t *journal) { @@ -339,6 +353,7 @@ int jbd2_log_do_checkpoint(journal_t *journal) * OK, we need to start writing disk blocks. Take one transaction * and write it. */ + result = 0; spin_lock(&journal->j_list_lock); if (!journal->j_checkpoint_transactions) goto out; @@ -357,7 +372,7 @@ restart: int batch_count = 0; struct buffer_head *bhs[NR_BATCH]; struct journal_head *jh; - int retry = 0; + int retry = 0, err; while (!retry && transaction->t_checkpoint_list) { struct buffer_head *bh; @@ -371,6 +386,8 @@ restart: } retry = __process_buffer(journal, jh, bhs, &batch_count, transaction); + if (retry < 0 && !result) + result = retry; if (!retry && (need_resched() || spin_needbreak(&journal->j_list_lock))) { spin_unlock(&journal->j_list_lock); @@ -395,14 +412,18 @@ restart: * Now we have cleaned up the first transaction's checkpoint * list. Let's clean up the second one */ - __wait_cp_io(journal, transaction); + err = __wait_cp_io(journal, transaction); + if (!result) + result = err; } out: spin_unlock(&journal->j_list_lock); - result = jbd2_cleanup_journal_tail(journal); if (result < 0) - return result; - return 0; + jbd2_journal_abort(journal, result); + else + result = jbd2_cleanup_journal_tail(journal); + + return (result < 0) ? result : 0; } /* @@ -418,8 +439,9 @@ out: * This is the only part of the journaling code which really needs to be * aware of transaction aborts. Checkpointing involves writing to the * main filesystem area rather than to the journal, so it can proceed - * even in abort state, but we must not update the journal superblock if - * we have an abort error outstanding. + * even in abort state, but we must not update the super block if + * checkpointing may have failed. Otherwise, we would lose some metadata + * buffers which should be written-back to the filesystem. */ int jbd2_cleanup_journal_tail(journal_t *journal) @@ -428,6 +450,9 @@ int jbd2_cleanup_journal_tail(journal_t *journal) tid_t first_tid; unsigned long blocknr, freed; + if (is_journal_aborted(journal)) + return 1; + /* OK, work out the oldest transaction remaining in the log, and * the log block it starts at. * diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 01c3901c3a07..783de118de92 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1451,9 +1451,12 @@ recovery_error: * * Release a journal_t structure once it is no longer in use by the * journaled object. + * Return <0 if we couldn't clean up the journal. */ -void jbd2_journal_destroy(journal_t *journal) +int jbd2_journal_destroy(journal_t *journal) { + int err = 0; + /* Wait for the commit thread to wake up and die. */ journal_kill_thread(journal); @@ -1476,11 +1479,16 @@ void jbd2_journal_destroy(journal_t *journal) J_ASSERT(journal->j_checkpoint_transactions == NULL); spin_unlock(&journal->j_list_lock); - /* We can now mark the journal as empty. */ - journal->j_tail = 0; - journal->j_tail_sequence = ++journal->j_transaction_sequence; if (journal->j_sb_buffer) { - jbd2_journal_update_superblock(journal, 1); + if (!is_journal_aborted(journal)) { + /* We can now mark the journal as empty. */ + journal->j_tail = 0; + journal->j_tail_sequence = + ++journal->j_transaction_sequence; + jbd2_journal_update_superblock(journal, 1); + } else { + err = -EIO; + } brelse(journal->j_sb_buffer); } @@ -1492,6 +1500,8 @@ void jbd2_journal_destroy(journal_t *journal) jbd2_journal_destroy_revoke(journal); kfree(journal->j_wbuf); kfree(journal); + + return err; } @@ -1717,10 +1727,16 @@ int jbd2_journal_flush(journal_t *journal) spin_lock(&journal->j_list_lock); while (!err && journal->j_checkpoint_transactions != NULL) { spin_unlock(&journal->j_list_lock); + mutex_lock(&journal->j_checkpoint_mutex); err = jbd2_log_do_checkpoint(journal); + mutex_unlock(&journal->j_checkpoint_mutex); spin_lock(&journal->j_list_lock); } spin_unlock(&journal->j_list_lock); + + if (is_journal_aborted(journal)) + return -EIO; + jbd2_cleanup_journal_tail(journal); /* Finally, mark the journal as really needing no recovery. @@ -1742,7 +1758,7 @@ int jbd2_journal_flush(journal_t *journal) J_ASSERT(journal->j_head == journal->j_tail); J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence); spin_unlock(&journal->j_state_lock); - return err; + return 0; } /** diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 058f50f65b76..73063285b13f 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -225,7 +225,7 @@ do { \ */ int jbd2_journal_recover(journal_t *journal) { - int err; + int err, err2; journal_superblock_t * sb; struct recovery_info info; @@ -263,7 +263,10 @@ int jbd2_journal_recover(journal_t *journal) journal->j_transaction_sequence = ++info.end_transaction; jbd2_journal_clear_revoke(journal); - sync_blockdev(journal->j_fs_dev); + err2 = sync_blockdev(journal->j_fs_dev); + if (!err) + err = err2; + return err; } diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 66c3499478b5..c9e7d781db31 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1060,7 +1060,7 @@ extern void jbd2_journal_clear_features (journal_t *, unsigned long, unsigned long, unsigned long); extern int jbd2_journal_create (journal_t *); extern int jbd2_journal_load (journal_t *journal); -extern void jbd2_journal_destroy (journal_t *); +extern int jbd2_journal_destroy (journal_t *); extern int jbd2_journal_recover (journal_t *journal); extern int jbd2_journal_wipe (journal_t *, int); extern int jbd2_journal_skip_recovery (journal_t *); -- GitLab From 7ffe1ea8949c75ecffb7a4d988bb881a9fa62fbe Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Fri, 10 Oct 2008 20:29:21 -0400 Subject: [PATCH 3658/6244] ext4: add checks for errors from jbd2 If the journal has aborted due to a checkpointing failure, we have to keep the contents of the journal space. Otherwise, the filesystem will lose uncheckpointed metadata completely and become inconsistent. To avoid this, we need to keep needs_recovery flag if checkpoint has failed. With this patch, ext4_put_super() detects a checkpointing failure from the return value of journal_destroy(), then it invokes ext4_abort() to make the filesystem read only and keep needs_recovery flag. Errors from jbd2_journal_flush() are also handled by this patch in some places. Signed-off-by: Hidehiro Kawai Signed-off-by: Theodore Ts'o --- fs/ext4/ioctl.c | 12 ++++++++---- fs/ext4/super.c | 23 +++++++++++++++++++---- 2 files changed, 27 insertions(+), 8 deletions(-) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index ea27eaa0cfe5..dc99b4776d58 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -192,7 +192,7 @@ setversion_out: case EXT4_IOC_GROUP_EXTEND: { ext4_fsblk_t n_blocks_count; struct super_block *sb = inode->i_sb; - int err; + int err, err2; if (!capable(CAP_SYS_RESOURCE)) return -EPERM; @@ -206,8 +206,10 @@ setversion_out: err = ext4_group_extend(sb, EXT4_SB(sb)->s_es, n_blocks_count); jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal); - jbd2_journal_flush(EXT4_SB(sb)->s_journal); + err2 = jbd2_journal_flush(EXT4_SB(sb)->s_journal); jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal); + if (err == 0) + err = err2; mnt_drop_write(filp->f_path.mnt); return err; @@ -215,7 +217,7 @@ setversion_out: case EXT4_IOC_GROUP_ADD: { struct ext4_new_group_data input; struct super_block *sb = inode->i_sb; - int err; + int err, err2; if (!capable(CAP_SYS_RESOURCE)) return -EPERM; @@ -230,8 +232,10 @@ setversion_out: err = ext4_group_add(sb, &input); jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal); - jbd2_journal_flush(EXT4_SB(sb)->s_journal); + err2 = jbd2_journal_flush(EXT4_SB(sb)->s_journal); jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal); + if (err == 0) + err = err2; mnt_drop_write(filp->f_path.mnt); return err; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0e661c569660..79bd3989e84f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -507,7 +507,8 @@ static void ext4_put_super(struct super_block *sb) ext4_mb_release(sb); ext4_ext_release(sb); ext4_xattr_put_super(sb); - jbd2_journal_destroy(sbi->s_journal); + if (jbd2_journal_destroy(sbi->s_journal) < 0) + ext4_abort(sb, __func__, "Couldn't clean up the journal"); sbi->s_journal = NULL; if (!(sb->s_flags & MS_RDONLY)) { EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); @@ -2853,7 +2854,9 @@ static void ext4_mark_recovery_complete(struct super_block *sb, journal_t *journal = EXT4_SB(sb)->s_journal; jbd2_journal_lock_updates(journal); - jbd2_journal_flush(journal); + if (jbd2_journal_flush(journal) < 0) + goto out; + lock_super(sb); if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER) && sb->s_flags & MS_RDONLY) { @@ -2862,6 +2865,8 @@ static void ext4_mark_recovery_complete(struct super_block *sb, ext4_commit_super(sb, es, 1); } unlock_super(sb); + +out: jbd2_journal_unlock_updates(journal); } @@ -2962,7 +2967,13 @@ static void ext4_write_super_lockfs(struct super_block *sb) /* Now we set up the journal barrier. */ jbd2_journal_lock_updates(journal); - jbd2_journal_flush(journal); + + /* + * We don't want to clear needs_recovery flag when we failed + * to flush the journal. + */ + if (jbd2_journal_flush(journal) < 0) + return; /* Journal blocked and flushed, clear needs_recovery flag. */ EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER); @@ -3402,8 +3413,12 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, * otherwise be livelocked... */ jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal); - jbd2_journal_flush(EXT4_SB(sb)->s_journal); + err = jbd2_journal_flush(EXT4_SB(sb)->s_journal); jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal); + if (err) { + path_put(&nd.path); + return err; + } } err = vfs_quota_on_path(sb, type, format_id, &nd.path); -- GitLab From 7ad7445f60fe4d46c4c9d2a9463db180d2a3b270 Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Fri, 10 Oct 2008 20:29:31 -0400 Subject: [PATCH 3659/6244] jbd2: don't dirty original metadata buffer on abort Currently, original metadata buffers are dirtied when they are unfiled whether the journal has aborted or not. Eventually these buffers will be written-back to the filesystem by pdflush. This means some metadata buffers are written to the filesystem without journaling if the journal aborts. So if both journal abort and system crash happen at the same time, the filesystem would become inconsistent state. Additionally, replaying journaled metadata can overwrite the latest metadata on the filesystem partly. Because, if the journal gets aborted, journaled metadata are preserved and replayed during the next mount not to lose uncheckpointed metadata. This would also break the consistency of the filesystem. This patch prevents original metadata buffers from being dirtied on abort by clearing BH_JBDDirty flag from those buffers. Thus, no metadata buffers are written to the filesystem without journaling. Signed-off-by: Hidehiro Kawai Signed-off-by: Theodore Ts'o --- fs/jbd2/commit.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 78e4da934121..849f10496cea 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -504,9 +504,10 @@ void jbd2_journal_commit_transaction(journal_t *journal) jh = commit_transaction->t_buffers; /* If we're in abort mode, we just un-journal the buffer and - release it for background writing. */ + release it. */ if (is_journal_aborted(journal)) { + clear_buffer_jbddirty(jh2bh(jh)); JBUFFER_TRACE(jh, "journal is aborting: refile"); jbd2_journal_refile_buffer(journal, jh); /* If that was the last one, we need to clean up @@ -884,6 +885,8 @@ restart_loop: if (buffer_jbddirty(bh)) { JBUFFER_TRACE(jh, "add to new checkpointing trans"); __jbd2_journal_insert_checkpoint(jh, commit_transaction); + if (is_journal_aborted(journal)) + clear_buffer_jbddirty(bh); JBUFFER_TRACE(jh, "refile for checkpoint writeback"); __jbd2_journal_refile_buffer(jh); jbd_unlock_bh_state(bh); -- GitLab From 5bf5683a33f3584da6eced480967c4f7e11515a8 Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Fri, 10 Oct 2008 22:12:43 -0400 Subject: [PATCH 3660/6244] ext4: add an option to control error handling on file data If the journal doesn't abort when it gets an IO error in file data blocks, the file data corruption will spread silently. Because most of applications and commands do buffered writes without fsync(), they don't notice the IO error. It's scary for mission critical systems. On the other hand, if the journal aborts whenever it gets an IO error in file data blocks, the system will easily become inoperable. So this patch introduces a filesystem option to determine whether it aborts the journal or just call printk() when it gets an IO error in file data. If you mount an ext4 fs with data_err=abort option, it aborts on file data write error. If you mount it with data_err=ignore, it doesn't abort, just call printk(). data_err=ignore is the default. Here is the corresponding patch of the ext3 version: http://kerneltrap.org/mailarchive/linux-kernel/2008/9/9/3239374 Signed-off-by: Hidehiro Kawai Signed-off-by: Theodore Ts'o --- Documentation/filesystems/ext4.txt | 5 +++++ fs/ext4/ext4.h | 2 ++ fs/ext4/super.c | 16 ++++++++++++++++ fs/jbd2/commit.c | 2 ++ include/linux/jbd2.h | 3 +++ 5 files changed, 28 insertions(+) diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 74484e696405..eb154ef36c2a 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -223,6 +223,11 @@ errors=remount-ro(*) Remount the filesystem read-only on an error. errors=continue Keep going on a filesystem error. errors=panic Panic and halt the machine if an error occurs. +data_err=ignore(*) Just print an error message if an error occurs + in a file data buffer in ordered mode. +data_err=abort Abort the journal if an error occurs in a file + data buffer in ordered mode. + grpid Give objects the same group ID as their creator. bsdgroups diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index f46a513a5157..6690a41cdd9f 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -540,6 +540,8 @@ do { \ #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */ #define EXT4_MOUNT_I_VERSION 0x2000000 /* i_version support */ #define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */ +#define EXT4_MOUNT_DATA_ERR_ABORT 0x10000000 /* Abort on file data write */ + /* Compatibility, for having both ext2_fs.h and ext4_fs.h included at once */ #ifndef _LINUX_EXT2_FS_H #define clear_opt(o, opt) o &= ~EXT4_MOUNT_##opt diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 79bd3989e84f..014677b8e224 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -778,6 +778,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_printf(seq, ",inode_readahead_blks=%u", sbi->s_inode_readahead_blks); + if (test_opt(sb, DATA_ERR_ABORT)) + seq_puts(seq, ",data_err=abort"); + ext4_show_quota_options(seq, sb); return 0; } @@ -907,6 +910,7 @@ enum { Opt_commit, Opt_journal_update, Opt_journal_inum, Opt_journal_dev, Opt_journal_checksum, Opt_journal_async_commit, Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback, + Opt_data_err_abort, Opt_data_err_ignore, Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota, Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota, Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota, @@ -953,6 +957,8 @@ static match_table_t tokens = { {Opt_data_journal, "data=journal"}, {Opt_data_ordered, "data=ordered"}, {Opt_data_writeback, "data=writeback"}, + {Opt_data_err_abort, "data_err=abort"}, + {Opt_data_err_ignore, "data_err=ignore"}, {Opt_offusrjquota, "usrjquota="}, {Opt_usrjquota, "usrjquota=%s"}, {Opt_offgrpjquota, "grpjquota="}, @@ -1187,6 +1193,12 @@ static int parse_options(char *options, struct super_block *sb, sbi->s_mount_opt |= data_opt; } break; + case Opt_data_err_abort: + set_opt(sbi->s_mount_opt, DATA_ERR_ABORT); + break; + case Opt_data_err_ignore: + clear_opt(sbi->s_mount_opt, DATA_ERR_ABORT); + break; #ifdef CONFIG_QUOTA case Opt_usrjquota: qtype = USRQUOTA; @@ -2535,6 +2547,10 @@ static void ext4_init_journal_params(struct super_block *sb, journal_t *journal) journal->j_flags |= JBD2_BARRIER; else journal->j_flags &= ~JBD2_BARRIER; + if (test_opt(sb, DATA_ERR_ABORT)) + journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR; + else + journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR; spin_unlock(&journal->j_state_lock); } diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 849f10496cea..0abe02c4242a 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -684,6 +684,8 @@ start_journal_io: printk(KERN_WARNING "JBD2: Detected IO errors while flushing file data " "on %s\n", journal->j_devname); + if (journal->j_flags & JBD2_ABORT_ON_SYNCDATA_ERR) + jbd2_journal_abort(journal, err); err = 0; } diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index c9e7d781db31..d2e91ea998fd 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -967,6 +967,9 @@ struct journal_s #define JBD2_FLUSHED 0x008 /* The journal superblock has been flushed */ #define JBD2_LOADED 0x010 /* The journal superblock has been loaded */ #define JBD2_BARRIER 0x020 /* Use IDE barriers */ +#define JBD2_ABORT_ON_SYNCDATA_ERR 0x040 /* Abort the journal on file + * data write error in ordered + * mode */ /* * Function declarations for the journaling transaction and buffer -- GitLab From f9da8d157b60d8c5bfc5a21fc50538fdb754a65b Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Fri, 10 Oct 2008 23:14:14 -0400 Subject: [PATCH 3661/6244] Input: move map_to_7segment.h to include/linux The map_to_7segment.h provides generic 7segment LED mappings and is designed to be used by other drivers. Moving it to common area will make it more usable. Also exporting it to userspace will help users of sysfs interface. Signed-off-by: Atsushi Nemoto Acked-by: Henk Vergonet Signed-off-by: Dmitry Torokhov --- drivers/input/misc/yealink.c | 2 +- include/linux/Kbuild | 1 + {drivers/input/misc => include/linux}/map_to_7segment.h | 4 +--- 3 files changed, 3 insertions(+), 4 deletions(-) rename {drivers/input/misc => include/linux}/map_to_7segment.h (98%) diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c index facefd3dba29..11b5c7e84ed1 100644 --- a/drivers/input/misc/yealink.c +++ b/drivers/input/misc/yealink.c @@ -52,8 +52,8 @@ #include #include #include +#include -#include "map_to_7segment.h" #include "yealink.h" #define DRIVER_VERSION "yld-20051230" diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 4c4142c5aa6e..0b136c5990cc 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -106,6 +106,7 @@ header-y += keyctl.h header-y += limits.h header-y += magic.h header-y += major.h +header-y += map_to_7segment.h header-y += matroxfb.h header-y += meye.h header-y += minix_fs.h diff --git a/drivers/input/misc/map_to_7segment.h b/include/linux/map_to_7segment.h similarity index 98% rename from drivers/input/misc/map_to_7segment.h rename to include/linux/map_to_7segment.h index a424094d9fe2..7df8432c4402 100644 --- a/drivers/input/misc/map_to_7segment.h +++ b/include/linux/map_to_7segment.h @@ -1,6 +1,4 @@ /* - * drivers/usb/input/map_to_7segment.h - * * Copyright (c) 2005 Henk Vergonet * * This program is free software; you can redistribute it and/or @@ -36,7 +34,7 @@ * Usage: * * Register a map variable, and fill it with a character set: - * static SEG7_DEFAULT_MAP(map_seg7); + * static SEG7_DEFAULT_MAP(map_seg7); * * * Then use for conversion: -- GitLab From 69fc7eed5f56bce15b239e5110de2575a6970df4 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Thu, 9 Oct 2008 16:58:13 +0100 Subject: [PATCH 3662/6244] [ARM] 5300/1: fixup spitz reset during boot Some machines don't have the pullup/down on their reset pin, so configuring the reset generating pin as input makes them reset immediately. Fix that by making reset pin direction configurable. Signed-off-by: Dmitry Baryshkov Signed-off-by: Russell King --- arch/arm/mach-pxa/include/mach/reset.h | 9 ++++++--- arch/arm/mach-pxa/reset.c | 9 ++++++--- arch/arm/mach-pxa/spitz.c | 2 +- arch/arm/mach-pxa/tosa.c | 2 +- 4 files changed, 14 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h index 9489a48871a8..7b8842cfa5fc 100644 --- a/arch/arm/mach-pxa/include/mach/reset.h +++ b/arch/arm/mach-pxa/include/mach/reset.h @@ -10,9 +10,12 @@ extern unsigned int reset_status; extern void clear_reset_status(unsigned int mask); -/* - * register GPIO as reset generator +/** + * init_gpio_reset() - register GPIO as reset generator + * + * @gpio - gpio nr + * @output - set gpio as out/low instead of input during normal work */ -extern int init_gpio_reset(int gpio); +extern int init_gpio_reset(int gpio, int output); #endif /* __ASM_ARCH_RESET_H */ diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index 31d78855aac8..1b2af575c40f 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c @@ -20,7 +20,7 @@ static void do_hw_reset(void); static int reset_gpio = -1; -int init_gpio_reset(int gpio) +int init_gpio_reset(int gpio, int output) { int rc; @@ -30,9 +30,12 @@ int init_gpio_reset(int gpio) goto out; } - rc = gpio_direction_input(gpio); + if (output) + rc = gpio_direction_output(gpio, 0); + else + rc = gpio_direction_input(gpio); if (rc) { - printk(KERN_ERR "Can't configure reset_gpio for input\n"); + printk(KERN_ERR "Can't configure reset_gpio\n"); gpio_free(gpio); goto out; } diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 9b4f24c7c055..524f656dc56d 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -618,7 +618,7 @@ static void spitz_restart(char mode) static void __init common_init(void) { - init_gpio_reset(SPITZ_GPIO_ON_RESET); + init_gpio_reset(SPITZ_GPIO_ON_RESET, 1); pm_power_off = spitz_poweroff; arm_pm_restart = spitz_restart; diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 9f3ef9eb32e3..130e37e4ebdd 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -781,7 +781,7 @@ static void __init tosa_init(void) gpio_set_wake(MFP_PIN_GPIO1, 1); /* We can't pass to gpio-keys since it will drop the Reset altfunc */ - init_gpio_reset(TOSA_GPIO_ON_RESET); + init_gpio_reset(TOSA_GPIO_ON_RESET, 0); pm_power_off = tosa_poweroff; arm_pm_restart = tosa_restart; -- GitLab From 5d9a76cd0ed367d01b0b237253adb7607e86a277 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Sun, 17 Aug 2008 16:49:25 +0200 Subject: [PATCH 3663/6244] MIPS: Use compat_sys_ptrace This replaces mips's sys_ptrace32 with a compat_arch_ptrace and enables the new generic definition of compat_sys_ptrace instead. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/kernel/ptrace32.c | 43 +++++++--------------------------- arch/mips/kernel/scall64-n32.S | 2 +- arch/mips/kernel/scall64-o32.S | 2 +- arch/mips/kernel/signal32.c | 12 ++++++++++ include/asm-mips/ptrace.h | 3 +++ 5 files changed, 25 insertions(+), 37 deletions(-) diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 76818be6ba7c..cac56a8c8679 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -15,6 +15,7 @@ * binaries. */ #include +#include #include #include #include @@ -46,37 +47,13 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data); * Tracing a 32-bit process with a 64-bit strace and vice versa will not * work. I don't know how to fix this. */ -asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) +long compat_arch_ptrace(struct task_struct *child, compat_long_t request, + compat_ulong_t caddr, compat_ulong_t cdata) { - struct task_struct *child; + int addr = caddr; + int data = cdata; int ret; -#if 0 - printk("ptrace(r=%d,pid=%d,addr=%08lx,data=%08lx)\n", - (int) request, (int) pid, (unsigned long) addr, - (unsigned long) data); -#endif - lock_kernel(); - if (request == PTRACE_TRACEME) { - ret = ptrace_traceme(); - goto out; - } - - child = ptrace_get_task_struct(pid); - if (IS_ERR(child)) { - ret = PTR_ERR(child); - goto out; - } - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ @@ -214,7 +191,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) if (!cpu_has_dsp) { tmp = 0; ret = -EIO; - goto out_tsk; + goto out; } dregs = __get_dsp_regs(child); tmp = (unsigned long) (dregs[addr - DSP_BASE]); @@ -224,14 +201,14 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) if (!cpu_has_dsp) { tmp = 0; ret = -EIO; - goto out_tsk; + goto out; } tmp = child->thread.dsp.dspcontrol; break; default: tmp = 0; ret = -EIO; - goto out_tsk; + goto out; } ret = put_user(tmp, (unsigned __user *) (unsigned long) data); break; @@ -414,10 +391,6 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) ret = ptrace_request(child, request, addr, data); break; } - -out_tsk: - put_task_struct(child); out: - unlock_kernel(); return ret; } diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index da7f1b6ea0fb..324c5499dec2 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -219,7 +219,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_getrusage PTR compat_sys_sysinfo PTR compat_sys_times - PTR sys32_ptrace + PTR compat_sys_ptrace PTR sys_getuid /* 6100 */ PTR sys_syslog PTR sys_getgid diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index d7cd1aac9ada..85fedac99a57 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -231,7 +231,7 @@ sys_call_table: PTR sys_setuid PTR sys_getuid PTR compat_sys_stime /* 4025 */ - PTR sys32_ptrace + PTR compat_sys_ptrace PTR sys_alarm PTR sys_ni_syscall /* was sys_fstat */ PTR sys_pause diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 572c610db1b1..652709b353ad 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -482,6 +482,18 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from) return err; } +int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) +{ + memset(to, 0, sizeof *to); + + if (copy_from_user(to, from, 3*sizeof(int)) || + copy_from_user(to->_sifields._pad, + from->_sifields._pad, SI_PAD_SIZE32)) + return -EFAULT; + + return 0; +} + asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs) { struct sigframe32 __user *frame; diff --git a/include/asm-mips/ptrace.h b/include/asm-mips/ptrace.h index 786f7e3c99bc..c00cca24dae0 100644 --- a/include/asm-mips/ptrace.h +++ b/include/asm-mips/ptrace.h @@ -9,6 +9,9 @@ #ifndef _ASM_PTRACE_H #define _ASM_PTRACE_H +#ifdef CONFIG_64BIT +#define __ARCH_WANT_COMPAT_SYS_PTRACE +#endif /* 0 - 31 are integer registers, 32 - 63 are fp registers. */ #define FPR_BASE 32 -- GitLab From 9fa32c6b0275ab1e8b19f74fbfa3ed8411345db6 Mon Sep 17 00:00:00 2001 From: Patrick Glass Date: Mon, 18 Aug 2008 14:41:30 -0700 Subject: [PATCH 3664/6244] MIPS: PMC MSP71XX gpio drivers This new gpio driver for PMC-Sierra's MSP71xx SoC allows standard api calls for access to the general and extended gpio's. Signed-off-by: Patrick Glass Signed-off-by: Ralf Baechle create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio.c create mode 100755 arch/mips/pmc-sierra/msp71xx/gpio_extended.c create mode 100755 include/asm-mips/pmc-sierra/msp71xx/gpio.h --- arch/mips/pmc-sierra/msp71xx/Makefile | 1 + arch/mips/pmc-sierra/msp71xx/gpio.c | 218 +++++++++++++++++++ arch/mips/pmc-sierra/msp71xx/gpio_extended.c | 148 +++++++++++++ include/asm-mips/pmc-sierra/msp71xx/gpio.h | 46 ++++ 4 files changed, 413 insertions(+) create mode 100644 arch/mips/pmc-sierra/msp71xx/gpio.c create mode 100644 arch/mips/pmc-sierra/msp71xx/gpio_extended.c create mode 100644 include/asm-mips/pmc-sierra/msp71xx/gpio.h diff --git a/arch/mips/pmc-sierra/msp71xx/Makefile b/arch/mips/pmc-sierra/msp71xx/Makefile index 4bba79c1cc79..e107f79b1491 100644 --- a/arch/mips/pmc-sierra/msp71xx/Makefile +++ b/arch/mips/pmc-sierra/msp71xx/Makefile @@ -3,6 +3,7 @@ # obj-y += msp_prom.o msp_setup.o msp_irq.o \ msp_time.o msp_serial.o msp_elb.o +obj-$(CONFIG_HAVE_GPIO_LIB) += gpio.o gpio_extended.o obj-$(CONFIG_PMC_MSP7120_GW) += msp_hwbutton.o obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o diff --git a/arch/mips/pmc-sierra/msp71xx/gpio.c b/arch/mips/pmc-sierra/msp71xx/gpio.c new file mode 100644 index 000000000000..69848c5813e2 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/gpio.c @@ -0,0 +1,218 @@ +/* + * @file /arch/mips/pmc-sierra/msp71xx/gpio.c + * + * Generic PMC MSP71xx GPIO handling. These base gpio are controlled by two + * types of registers. The data register sets the output level when in output + * mode and when in input mode will contain the value at the input. The config + * register sets the various modes for each gpio. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * @author Patrick Glass + */ + +#include +#include +#include +#include +#include +#include + +#define MSP71XX_CFG_OFFSET(gpio) (4 * (gpio)) +#define CONF_MASK 0x0F +#define MSP71XX_GPIO_INPUT 0x01 +#define MSP71XX_GPIO_OUTPUT 0x08 + +#define MSP71XX_GPIO_BASE 0x0B8400000L + +#define to_msp71xx_gpio_chip(c) container_of(c, struct msp71xx_gpio_chip, chip) + +static spinlock_t gpio_lock; + +/* + * struct msp71xx_gpio_chip - container for gpio chip and registers + * @chip: chip structure for the specified gpio bank + * @data_reg: register for reading and writing the gpio pin value + * @config_reg: register to set the mode for the gpio pin bank + * @out_drive_reg: register to set the output drive mode for the gpio pin bank + */ +struct msp71xx_gpio_chip { + struct gpio_chip chip; + void __iomem *data_reg; + void __iomem *config_reg; + void __iomem *out_drive_reg; +}; + +/* + * msp71xx_gpio_get() - return the chip's gpio value + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose value will be returned + * + * It will return 0 if gpio value is low and other if high. + */ +static int msp71xx_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); + + return __raw_readl(msp_chip->data_reg) & (1 << offset); +} + +/* + * msp71xx_gpio_set() - set the output value for the gpio + * @chip: chip structure who controls the specified gpio + * @offset: gpio whose value will be assigned + * @value: logic level to assign to the gpio initially + * + * This will set the gpio bit specified to the desired value. It will set the + * gpio pin low if value is 0 otherwise it will be high. + */ +static void msp71xx_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); + unsigned long flags; + u32 data; + + spin_lock_irqsave(&gpio_lock, flags); + + data = __raw_readl(msp_chip->data_reg); + if (value) + data |= (1 << offset); + else + data &= ~(1 << offset); + __raw_writel(data, msp_chip->data_reg); + + spin_unlock_irqrestore(&gpio_lock, flags); +} + +/* + * msp71xx_set_gpio_mode() - declare the mode for a gpio + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose value will be assigned + * @mode: desired configuration for the gpio (see datasheet) + * + * It will set the gpio pin config to the @mode value passed in. + */ +static int msp71xx_set_gpio_mode(struct gpio_chip *chip, + unsigned offset, int mode) +{ + struct msp71xx_gpio_chip *msp_chip = to_msp71xx_gpio_chip(chip); + const unsigned bit_offset = MSP71XX_CFG_OFFSET(offset); + unsigned long flags; + u32 cfg; + + spin_lock_irqsave(&gpio_lock, flags); + + cfg = __raw_readl(msp_chip->config_reg); + cfg &= ~(CONF_MASK << bit_offset); + cfg |= (mode << bit_offset); + __raw_writel(cfg, msp_chip->config_reg); + + spin_unlock_irqrestore(&gpio_lock, flags); + + return 0; +} + +/* + * msp71xx_direction_output() - declare the direction mode for a gpio + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose value will be assigned + * @value: logic level to assign to the gpio initially + * + * This call will set the mode for the @gpio to output. It will set the + * gpio pin low if value is 0 otherwise it will be high. + */ +static int msp71xx_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + msp71xx_gpio_set(chip, offset, value); + + return msp71xx_set_gpio_mode(chip, offset, MSP71XX_GPIO_OUTPUT); +} + +/* + * msp71xx_direction_input() - declare the direction mode for a gpio + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose to which the value will be assigned + * + * This call will set the mode for the @gpio to input. + */ +static int msp71xx_direction_input(struct gpio_chip *chip, unsigned offset) +{ + return msp71xx_set_gpio_mode(chip, offset, MSP71XX_GPIO_INPUT); +} + +/* + * msp71xx_set_output_drive() - declare the output drive for the gpio line + * @gpio: gpio pin whose output drive you wish to modify + * @value: zero for active drain 1 for open drain drive + * + * This call will set the output drive mode for the @gpio to output. + */ +int msp71xx_set_output_drive(unsigned gpio, int value) +{ + unsigned long flags; + u32 data; + + if (gpio > 15 || gpio < 0) + return -EINVAL; + + spin_lock_irqsave(&gpio_lock, flags); + + data = __raw_readl((void __iomem *)(MSP71XX_GPIO_BASE + 0x190)); + if (value) + data |= (1 << gpio); + else + data &= ~(1 << gpio); + __raw_writel(data, (void __iomem *)(MSP71XX_GPIO_BASE + 0x190)); + + spin_unlock_irqrestore(&gpio_lock, flags); + + return 0; +} +EXPORT_SYMBOL(msp71xx_set_output_drive); + +#define MSP71XX_GPIO_BANK(name, dr, cr, base_gpio, num_gpio) \ +{ \ + .chip = { \ + .label = name, \ + .direction_input = msp71xx_direction_input, \ + .direction_output = msp71xx_direction_output, \ + .get = msp71xx_gpio_get, \ + .set = msp71xx_gpio_set, \ + .base = base_gpio, \ + .ngpio = num_gpio \ + }, \ + .data_reg = (void __iomem *)(MSP71XX_GPIO_BASE + dr), \ + .config_reg = (void __iomem *)(MSP71XX_GPIO_BASE + cr), \ + .out_drive_reg = (void __iomem *)(MSP71XX_GPIO_BASE + 0x190), \ +} + +/* + * struct msp71xx_gpio_banks[] - container array of gpio banks + * @chip: chip structure for the specified gpio bank + * @data_reg: register for reading and writing the gpio pin value + * @config_reg: register to set the mode for the gpio pin bank + * + * This array structure defines the gpio banks for the PMC MIPS Processor. + * We specify the bank name, the data register, the config register, base + * starting gpio number, and the number of gpios exposed by the bank. + */ +static struct msp71xx_gpio_chip msp71xx_gpio_banks[] = { + + MSP71XX_GPIO_BANK("GPIO_1_0", 0x170, 0x180, 0, 2), + MSP71XX_GPIO_BANK("GPIO_5_2", 0x174, 0x184, 2, 4), + MSP71XX_GPIO_BANK("GPIO_9_6", 0x178, 0x188, 6, 4), + MSP71XX_GPIO_BANK("GPIO_15_10", 0x17C, 0x18C, 10, 6), +}; + +void __init msp71xx_init_gpio(void) +{ + int i; + + spin_lock_init(&gpio_lock); + + for (i = 0; i < ARRAY_SIZE(msp71xx_gpio_banks); i++) + gpiochip_add(&msp71xx_gpio_banks[i].chip); +} diff --git a/arch/mips/pmc-sierra/msp71xx/gpio_extended.c b/arch/mips/pmc-sierra/msp71xx/gpio_extended.c new file mode 100644 index 000000000000..fc6dbc6cf1c0 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/gpio_extended.c @@ -0,0 +1,148 @@ +/* + * @file /arch/mips/pmc-sierra/msp71xx/gpio_extended.c + * + * Generic PMC MSP71xx EXTENDED (EXD) GPIO handling. The extended gpio is + * a set of hardware registers that have no need for explicit locking as + * it is handled by unique method of writing individual set/clr bits. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * @author Patrick Glass + */ + +#include +#include +#include +#include +#include + +#define MSP71XX_DATA_OFFSET(gpio) (2 * (gpio)) +#define MSP71XX_READ_OFFSET(gpio) (MSP71XX_DATA_OFFSET(gpio) + 1) +#define MSP71XX_CFG_OUT_OFFSET(gpio) (MSP71XX_DATA_OFFSET(gpio) + 16) +#define MSP71XX_CFG_IN_OFFSET(gpio) (MSP71XX_CFG_OUT_OFFSET(gpio) + 1) + +#define MSP71XX_EXD_GPIO_BASE 0x0BC000000L + +#define to_msp71xx_exd_gpio_chip(c) \ + container_of(c, struct msp71xx_exd_gpio_chip, chip) + +/* + * struct msp71xx_exd_gpio_chip - container for gpio chip and registers + * @chip: chip structure for the specified gpio bank + * @reg: register for control and data of gpio pin + */ +struct msp71xx_exd_gpio_chip { + struct gpio_chip chip; + void __iomem *reg; +}; + +/* + * msp71xx_exd_gpio_get() - return the chip's gpio value + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose value will be returned + * + * It will return 0 if gpio value is low and other if high. + */ +static int msp71xx_exd_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + struct msp71xx_exd_gpio_chip *msp71xx_chip = + to_msp71xx_exd_gpio_chip(chip); + const unsigned bit = MSP71XX_READ_OFFSET(offset); + + return __raw_readl(msp71xx_chip->reg) & (1 << bit); +} + +/* + * msp71xx_exd_gpio_set() - set the output value for the gpio + * @chip: chip structure who controls the specified gpio + * @offset: gpio whose value will be assigned + * @value: logic level to assign to the gpio initially + * + * This will set the gpio bit specified to the desired value. It will set the + * gpio pin low if value is 0 otherwise it will be high. + */ +static void msp71xx_exd_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct msp71xx_exd_gpio_chip *msp71xx_chip = + to_msp71xx_exd_gpio_chip(chip); + const unsigned bit = MSP71XX_DATA_OFFSET(offset); + + __raw_writel(1 << (bit + (value ? 1 : 0)), msp71xx_chip->reg); +} + +/* + * msp71xx_exd_direction_output() - declare the direction mode for a gpio + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose value will be assigned + * @value: logic level to assign to the gpio initially + * + * This call will set the mode for the @gpio to output. It will set the + * gpio pin low if value is 0 otherwise it will be high. + */ +static int msp71xx_exd_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct msp71xx_exd_gpio_chip *msp71xx_chip = + to_msp71xx_exd_gpio_chip(chip); + + msp71xx_exd_gpio_set(chip, offset, value); + __raw_writel(1 << MSP71XX_CFG_OUT_OFFSET(offset), msp71xx_chip->reg); + return 0; +} + +/* + * msp71xx_exd_direction_input() - declare the direction mode for a gpio + * @chip: chip structure which controls the specified gpio + * @offset: gpio whose to which the value will be assigned + * + * This call will set the mode for the @gpio to input. + */ +static int msp71xx_exd_direction_input(struct gpio_chip *chip, unsigned offset) +{ + struct msp71xx_exd_gpio_chip *msp71xx_chip = + to_msp71xx_exd_gpio_chip(chip); + + __raw_writel(1 << MSP71XX_CFG_IN_OFFSET(offset), msp71xx_chip->reg); + return 0; +} + +#define MSP71XX_EXD_GPIO_BANK(name, exd_reg, base_gpio, num_gpio) \ +{ \ + .chip = { \ + .label = name, \ + .direction_input = msp71xx_exd_direction_input, \ + .direction_output = msp71xx_exd_direction_output, \ + .get = msp71xx_exd_gpio_get, \ + .set = msp71xx_exd_gpio_set, \ + .base = base_gpio, \ + .ngpio = num_gpio, \ + }, \ + .reg = (void __iomem *)(MSP71XX_EXD_GPIO_BASE + exd_reg), \ +} + +/* + * struct msp71xx_exd_gpio_banks[] - container array of gpio banks + * @chip: chip structure for the specified gpio bank + * @reg: register for reading and writing the gpio pin value + * + * This array structure defines the extended gpio banks for the + * PMC MIPS Processor. We specify the bank name, the data/config + * register,the base starting gpio number, and the number of + * gpios exposed by the bank of gpios. + */ +static struct msp71xx_exd_gpio_chip msp71xx_exd_gpio_banks[] = { + + MSP71XX_EXD_GPIO_BANK("GPIO_23_16", 0x188, 16, 8), + MSP71XX_EXD_GPIO_BANK("GPIO_27_24", 0x18C, 24, 4), +}; + +void __init msp71xx_init_gpio_extended(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(msp71xx_exd_gpio_banks); i++) + gpiochip_add(&msp71xx_exd_gpio_banks[i].chip); +} diff --git a/include/asm-mips/pmc-sierra/msp71xx/gpio.h b/include/asm-mips/pmc-sierra/msp71xx/gpio.h new file mode 100644 index 000000000000..ebdbab973e41 --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/gpio.h @@ -0,0 +1,46 @@ +/* + * include/asm-mips/pmc-sierra/msp71xx/gpio.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * @author Patrick Glass + */ + +#ifndef __PMC_MSP71XX_GPIO_H +#define __PMC_MSP71XX_GPIO_H + +/* Max number of gpio's is 28 on chip plus 3 banks of I2C IO Expanders */ +#define ARCH_NR_GPIOS (28 + (3 * 8)) + +/* new generic GPIO API - see Documentation/gpio.txt */ +#include + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep + +/* Setup calls for the gpio and gpio extended */ +extern void msp71xx_init_gpio(void); +extern void msp71xx_init_gpio_extended(void); +extern int msp71xx_set_output_drive(unsigned gpio, int value); + +/* Custom output drive functionss */ +static inline int gpio_set_output_drive(unsigned gpio, int value) +{ + return msp71xx_set_output_drive(gpio, value); +} + +/* IRQ's are not supported for gpio lines */ +static inline int gpio_to_irq(unsigned gpio) +{ + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return -EINVAL; +} + +#endif /* __PMC_MSP71XX_GPIO_H */ -- GitLab From f96a3383cfede841cdf80a5927f14478981ed78c Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:05 +0900 Subject: [PATCH 3665/6244] MIPS: RBTX4927: More explicit initialization * Make sure all interrupts cleared on startup * Initialize some GPIOs Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/rbtx4927/irq.c | 5 +++++ arch/mips/txx9/rbtx4927/setup.c | 9 +++++++++ include/asm-mips/txx9/rbtx4927.h | 2 ++ 3 files changed, 16 insertions(+) diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c index 00cd5231da30..22076e3f03a8 100644 --- a/arch/mips/txx9/rbtx4927/irq.c +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -142,6 +142,11 @@ static void __init toshiba_rbtx4927_irq_ioc_init(void) { int i; + /* mask all IOC interrupts */ + writeb(0, rbtx4927_imask_addr); + /* clear SoftInt interrupts */ + writeb(0, rbtx4927_softint_addr); + for (i = RBTX4927_IRQ_IOC; i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++) set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type, diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 0d39bafea794..5985f330838a 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -48,6 +48,7 @@ #include #include #include +#include #include #include #include @@ -212,6 +213,14 @@ static void __init rbtx4927_mem_setup(void) set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET); #endif + /* TX4927-SIO DTR on (PIO[15]) */ + gpio_request(15, "sio-dtr"); + gpio_direction_output(15, 1); + gpio_request(0, "led"); + gpio_direction_output(0, 1); + gpio_request(1, "led"); + gpio_direction_output(1, 1); + tx4927_sio_init(0, 0); #ifdef CONFIG_SERIAL_TXX9_CONSOLE argptr = prom_getcmdline(); diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h index 6fcec912c143..c6015463432e 100644 --- a/include/asm-mips/txx9/rbtx4927.h +++ b/include/asm-mips/txx9/rbtx4927.h @@ -36,6 +36,7 @@ #define RBTX4927_IMASK_ADDR (IO_BASE + TXX9_CE(2) + 0x00002000) #define RBTX4927_IMSTAT_ADDR (IO_BASE + TXX9_CE(2) + 0x00002006) +#define RBTX4927_SOFTINT_ADDR (IO_BASE + TXX9_CE(2) + 0x00003000) #define RBTX4927_SOFTRESET_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f000) #define RBTX4927_SOFTRESETLOCK_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f002) #define RBTX4927_PCIRESET_ADDR (IO_BASE + TXX9_CE(2) + 0x0000f006) @@ -47,6 +48,7 @@ #define rbtx4927_imask_addr ((__u8 __iomem *)RBTX4927_IMASK_ADDR) #define rbtx4927_imstat_addr ((__u8 __iomem *)RBTX4927_IMSTAT_ADDR) +#define rbtx4927_softint_addr ((__u8 __iomem *)RBTX4927_SOFTINT_ADDR) #define rbtx4927_softreset_addr ((__u8 __iomem *)RBTX4927_SOFTRESET_ADDR) #define rbtx4927_softresetlock_addr \ ((__u8 __iomem *)RBTX4927_SOFTRESETLOCK_ADDR) -- GitLab From e0dfb20c2b77c6626a24578240266ace928cd2e7 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:06 +0900 Subject: [PATCH 3666/6244] MIPS: TXx9: Improve handling of built-in and command-line args * Make prom_init_cmdline() static and be called from prom_init. * Append built-in args if the first character was '+'. * Drop command-line args if the first character of built-in was '-'. * Enclose args include spaces by quotes. * TX4938_NAND_BOOT is no longer needed. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/Kconfig | 7 ------ arch/mips/txx9/generic/setup.c | 42 ++++++++++++++++++++++++--------- arch/mips/txx9/jmr3927/prom.c | 1 - arch/mips/txx9/rbtx4927/prom.c | 1 - arch/mips/txx9/rbtx4938/prom.c | 3 --- include/asm-mips/txx9/generic.h | 1 - 6 files changed, 31 insertions(+), 24 deletions(-) diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 840fe757c48d..6fb2ef09d5dd 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -97,13 +97,6 @@ config TOSHIBA_RBTX4938_MPLEX_ATA endchoice -config TX4938_NAND_BOOT - depends on EXPERIMENTAL && TOSHIBA_RBTX4938_MPLEX_NAND - bool "NAND Boot Support (EXPERIMENTAL)" - help - This is only for Toshiba RBTX4938 reference board, which has NAND IPL. - Select this option if you need to use NAND boot. - endif config PCI_TX4927 diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index fe6bee09cece..33d8c9e3223d 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -127,31 +127,51 @@ extern struct txx9_board_vec rbtx4938_vec; struct txx9_board_vec *txx9_board_vec __initdata; static char txx9_system_type[32]; -void __init prom_init_cmdline(void) +static void __init prom_init_cmdline(void) { int argc = (int)fw_arg0; - char **argv = (char **)fw_arg1; + int *argv32 = (int *)fw_arg1; int i; /* Always ignore the "-c" at argv[0] */ -#ifdef CONFIG_64BIT - char *fixed_argv[32]; - for (i = 0; i < argc; i++) - fixed_argv[i] = (char *)(long)(*((__s32 *)argv + i)); - argv = fixed_argv; -#endif + char builtin[CL_SIZE]; /* ignore all built-in args if any f/w args given */ - if (argc > 1) - *arcs_cmdline = '\0'; + /* + * But if built-in strings was started with '+', append them + * to command line args. If built-in was started with '-', + * ignore all f/w args. + */ + builtin[0] = '\0'; + if (arcs_cmdline[0] == '+') + strcpy(builtin, arcs_cmdline + 1); + else if (arcs_cmdline[0] == '-') { + strcpy(builtin, arcs_cmdline + 1); + argc = 0; + } else if (argc <= 1) + strcpy(builtin, arcs_cmdline); + arcs_cmdline[0] = '\0'; for (i = 1; i < argc; i++) { + char *str = (char *)(long)argv32[i]; if (i != 1) strcat(arcs_cmdline, " "); - strcat(arcs_cmdline, argv[i]); + if (strchr(str, ' ')) { + strcat(arcs_cmdline, "\""); + strcat(arcs_cmdline, str); + strcat(arcs_cmdline, "\""); + } else + strcat(arcs_cmdline, str); + } + /* append saved builtin args */ + if (builtin[0]) { + if (arcs_cmdline[0]) + strcat(arcs_cmdline, " "); + strcat(arcs_cmdline, builtin); } } void __init prom_init(void) { + prom_init_cmdline(); #ifdef CONFIG_CPU_TX39XX txx9_board_vec = &jmr3927_vec; #endif diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c index 70c4c8ec3e84..c899c0c087a0 100644 --- a/arch/mips/txx9/jmr3927/prom.c +++ b/arch/mips/txx9/jmr3927/prom.c @@ -47,7 +47,6 @@ void __init jmr3927_prom_init(void) if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) printk(KERN_ERR "TX3927 TLB off\n"); - prom_init_cmdline(); add_memory_region(0, JMR3927_SDRAM_SIZE, BOOT_MEM_RAM); txx9_sio_putchar_init(TX3927_SIO_REG(1)); } diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c index 1dc0a5b1956b..cc97c6a6011b 100644 --- a/arch/mips/txx9/rbtx4927/prom.c +++ b/arch/mips/txx9/rbtx4927/prom.c @@ -36,7 +36,6 @@ void __init rbtx4927_prom_init(void) { - prom_init_cmdline(); add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM); txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL); } diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c index d73123cd2ab9..bcb469247e8c 100644 --- a/arch/mips/txx9/rbtx4938/prom.c +++ b/arch/mips/txx9/rbtx4938/prom.c @@ -18,9 +18,6 @@ void __init rbtx4938_prom_init(void) { -#ifndef CONFIG_TX4938_NAND_BOOT - prom_init_cmdline(); -#endif add_memory_region(0, tx4938_get_mem_size(), BOOT_MEM_RAM); txx9_sio_putchar_init(TX4938_SIO_REG(0) & 0xfffffffffULL); } diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index 5b1ccf901c62..c9eed7ea148c 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -42,7 +42,6 @@ struct txx9_board_vec { }; extern struct txx9_board_vec *txx9_board_vec; extern int (*txx9_irq_dispatch)(int pending); -void prom_init_cmdline(void); char *prom_getcmdline(void); void txx9_wdt_init(unsigned long base); void txx9_spi_init(int busid, unsigned long base, int irq); -- GitLab From 265b89db1058124ddbf0091ba3f8c020e3a5ae9d Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:07 +0900 Subject: [PATCH 3667/6244] MIPS: TXx9: Add prom_getenv Add prom_getenv() which can be used for YAMON. This assumes other firmware should pass NULL for fw_arg2. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 15 +++++++++++++++ include/asm-mips/txx9/generic.h | 1 + 2 files changed, 16 insertions(+) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 33d8c9e3223d..005179c2af21 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -212,6 +212,21 @@ char * __init prom_getcmdline(void) return &(arcs_cmdline[0]); } +const char *__init prom_getenv(const char *name) +{ + const s32 *str = (const s32 *)fw_arg2; + + if (!str) + return NULL; + /* YAMON style ("name", "value" pairs) */ + while (str[0] && str[1]) { + if (!strcmp((const char *)(unsigned long)str[0], name)) + return (const char *)(unsigned long)str[1]; + str += 2; + } + return NULL; +} + static void __noreturn txx9_machine_halt(void) { local_irq_disable(); diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index c9eed7ea148c..0a225bf73496 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -43,6 +43,7 @@ struct txx9_board_vec { extern struct txx9_board_vec *txx9_board_vec; extern int (*txx9_irq_dispatch)(int pending); char *prom_getcmdline(void); +const char *prom_getenv(const char *name); void txx9_wdt_init(unsigned long base); void txx9_spi_init(int busid, unsigned long base, int irq); void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr); -- GitLab From 860e546c19d88c21819c7f0861c505debd2d6eed Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:08 +0900 Subject: [PATCH 3668/6244] MIPS: TXx9: Early command-line preprocessing * Select board by command-line option or firmware environment variable. * Handle "masterclk=" option. * Add boards.h to centerize board_vec declaration. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle create mode 100644 include/asm-mips/txx9/boards.h --- arch/mips/txx9/generic/setup.c | 74 +++++++++++++++++++++++++++++++--- include/asm-mips/txx9/boards.h | 10 +++++ 2 files changed, 78 insertions(+), 6 deletions(-) create mode 100644 include/asm-mips/txx9/boards.h diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 005179c2af21..dc5dbcc53a91 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -119,14 +119,31 @@ int irq_to_gpio(unsigned irq) EXPORT_SYMBOL(irq_to_gpio); #endif -extern struct txx9_board_vec jmr3927_vec; -extern struct txx9_board_vec rbtx4927_vec; -extern struct txx9_board_vec rbtx4937_vec; -extern struct txx9_board_vec rbtx4938_vec; +#define BOARD_VEC(board) extern struct txx9_board_vec board; +#include +#undef BOARD_VEC struct txx9_board_vec *txx9_board_vec __initdata; static char txx9_system_type[32]; +static struct txx9_board_vec *board_vecs[] __initdata = { +#define BOARD_VEC(board) &board, +#include +#undef BOARD_VEC +}; + +static struct txx9_board_vec *__init find_board_byname(const char *name) +{ + int i; + + /* search board_vecs table */ + for (i = 0; i < ARRAY_SIZE(board_vecs); i++) { + if (strstr(board_vecs[i]->system, name)) + return board_vecs[i]; + } + return NULL; +} + static void __init prom_init_cmdline(void) { int argc = (int)fw_arg0; @@ -169,9 +186,47 @@ static void __init prom_init_cmdline(void) } } -void __init prom_init(void) +static void __init preprocess_cmdline(void) { - prom_init_cmdline(); + char cmdline[CL_SIZE]; + char *s; + + strcpy(cmdline, arcs_cmdline); + s = cmdline; + arcs_cmdline[0] = '\0'; + while (s && *s) { + char *str = strsep(&s, " "); + if (strncmp(str, "board=", 6) == 0) { + txx9_board_vec = find_board_byname(str + 6); + continue; + } else if (strncmp(str, "masterclk=", 10) == 0) { + unsigned long val; + if (strict_strtoul(str + 10, 10, &val) == 0) + txx9_master_clock = val; + continue; + } + if (arcs_cmdline[0]) + strcat(arcs_cmdline, " "); + strcat(arcs_cmdline, str); + } +} + +static void __init select_board(void) +{ + const char *envstr; + + /* first, determine by "board=" argument in preprocess_cmdline() */ + if (txx9_board_vec) + return; + /* next, determine by "board" envvar */ + envstr = prom_getenv("board"); + if (envstr) { + txx9_board_vec = find_board_byname(envstr); + if (txx9_board_vec) + return; + } + + /* select "default" board */ #ifdef CONFIG_CPU_TX39XX txx9_board_vec = &jmr3927_vec; #endif @@ -192,6 +247,13 @@ void __init prom_init(void) #endif } #endif +} + +void __init prom_init(void) +{ + prom_init_cmdline(); + preprocess_cmdline(); + select_board(); strcpy(txx9_system_type, txx9_board_vec->system); diff --git a/include/asm-mips/txx9/boards.h b/include/asm-mips/txx9/boards.h new file mode 100644 index 000000000000..4abc8142fbb7 --- /dev/null +++ b/include/asm-mips/txx9/boards.h @@ -0,0 +1,10 @@ +#ifdef CONFIG_TOSHIBA_JMR3927 +BOARD_VEC(jmr3927_vec) +#endif +#ifdef CONFIG_TOSHIBA_RBTX4927 +BOARD_VEC(rbtx4927_vec) +BOARD_VEC(rbtx4937_vec) +#endif +#ifdef CONFIG_TOSHIBA_RBTX4938 +BOARD_VEC(rbtx4938_vec) +#endif -- GitLab From d10e025f0e4ba4b96d7b5786d232ac5b0b232b11 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:09 +0900 Subject: [PATCH 3669/6244] MIPS: TXx9: Cache fixup TX39/TX49 can enable/disable I/D cache at runtime. Add kernel options to control them. This is useful to debug some cache-related issues, such as aliasing or I/D coherency. Also enable CWF bit for TX49 SoCs. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 113 ++++++++++++++++++++++++++ arch/mips/txx9/generic/setup_tx3927.c | 18 ++-- arch/mips/txx9/generic/setup_tx4927.c | 1 + arch/mips/txx9/generic/setup_tx4938.c | 1 + arch/mips/txx9/jmr3927/setup.c | 11 +-- arch/mips/txx9/rbtx4927/setup.c | 6 -- 6 files changed, 124 insertions(+), 26 deletions(-) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index dc5dbcc53a91..fa88aefea9ef 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #ifdef CONFIG_CPU_TX49XX @@ -186,6 +187,110 @@ static void __init prom_init_cmdline(void) } } +static int txx9_ic_disable __initdata; +static int txx9_dc_disable __initdata; + +#if defined(CONFIG_CPU_TX49XX) +/* flush all cache on very early stage (before 4k_cache_init) */ +static void __init early_flush_dcache(void) +{ + unsigned int conf = read_c0_config(); + unsigned int dc_size = 1 << (12 + ((conf & CONF_DC) >> 6)); + unsigned int linesz = 32; + unsigned long addr, end; + + end = INDEX_BASE + dc_size / 4; + /* 4way, waybit=0 */ + for (addr = INDEX_BASE; addr < end; addr += linesz) { + cache_op(Index_Writeback_Inv_D, addr | 0); + cache_op(Index_Writeback_Inv_D, addr | 1); + cache_op(Index_Writeback_Inv_D, addr | 2); + cache_op(Index_Writeback_Inv_D, addr | 3); + } +} + +static void __init txx9_cache_fixup(void) +{ + unsigned int conf; + + conf = read_c0_config(); + /* flush and disable */ + if (txx9_ic_disable) { + conf |= TX49_CONF_IC; + write_c0_config(conf); + } + if (txx9_dc_disable) { + early_flush_dcache(); + conf |= TX49_CONF_DC; + write_c0_config(conf); + } + + /* enable cache */ + conf = read_c0_config(); + if (!txx9_ic_disable) + conf &= ~TX49_CONF_IC; + if (!txx9_dc_disable) + conf &= ~TX49_CONF_DC; + write_c0_config(conf); + + if (conf & TX49_CONF_IC) + pr_info("TX49XX I-Cache disabled.\n"); + if (conf & TX49_CONF_DC) + pr_info("TX49XX D-Cache disabled.\n"); +} +#elif defined(CONFIG_CPU_TX39XX) +/* flush all cache on very early stage (before tx39_cache_init) */ +static void __init early_flush_dcache(void) +{ + unsigned int conf = read_c0_config(); + unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >> + TX39_CONF_DCS_SHIFT)); + unsigned int linesz = 16; + unsigned long addr, end; + + end = INDEX_BASE + dc_size / 2; + /* 2way, waybit=0 */ + for (addr = INDEX_BASE; addr < end; addr += linesz) { + cache_op(Index_Writeback_Inv_D, addr | 0); + cache_op(Index_Writeback_Inv_D, addr | 1); + } +} + +static void __init txx9_cache_fixup(void) +{ + unsigned int conf; + + conf = read_c0_config(); + /* flush and disable */ + if (txx9_ic_disable) { + conf &= ~TX39_CONF_ICE; + write_c0_config(conf); + } + if (txx9_dc_disable) { + early_flush_dcache(); + conf &= ~TX39_CONF_DCE; + write_c0_config(conf); + } + + /* enable cache */ + conf = read_c0_config(); + if (!txx9_ic_disable) + conf |= TX39_CONF_ICE; + if (!txx9_dc_disable) + conf |= TX39_CONF_DCE; + write_c0_config(conf); + + if (!(conf & TX39_CONF_ICE)) + pr_info("TX39XX I-Cache disabled.\n"); + if (!(conf & TX39_CONF_DCE)) + pr_info("TX39XX D-Cache disabled.\n"); +} +#else +static inline void txx9_cache_fixup(void) +{ +} +#endif + static void __init preprocess_cmdline(void) { char cmdline[CL_SIZE]; @@ -204,11 +309,19 @@ static void __init preprocess_cmdline(void) if (strict_strtoul(str + 10, 10, &val) == 0) txx9_master_clock = val; continue; + } else if (strcmp(str, "icdisable") == 0) { + txx9_ic_disable = 1; + continue; + } else if (strcmp(str, "dcdisable") == 0) { + txx9_dc_disable = 1; + continue; } if (arcs_cmdline[0]) strcat(arcs_cmdline, " "); strcat(arcs_cmdline, str); } + + txx9_cache_fixup(); } static void __init select_board(void) diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c index 7bd963d37fc3..4bc2f859379d 100644 --- a/arch/mips/txx9/generic/setup_tx3927.c +++ b/arch/mips/txx9/generic/setup_tx3927.c @@ -99,16 +99,14 @@ void __init tx3927_setup(void) txx9_gpio_init(TX3927_PIO_REG, 0, 16); conf = read_c0_conf(); - if (!(conf & TX39_CONF_ICE)) - printk(KERN_INFO "TX3927 I-Cache disabled.\n"); - if (!(conf & TX39_CONF_DCE)) - printk(KERN_INFO "TX3927 D-Cache disabled.\n"); - else if (!(conf & TX39_CONF_WBON)) - printk(KERN_INFO "TX3927 D-Cache WriteThrough.\n"); - else if (!(conf & TX39_CONF_CWFON)) - printk(KERN_INFO "TX3927 D-Cache WriteBack.\n"); - else - printk(KERN_INFO "TX3927 D-Cache WriteBack (CWF) .\n"); + if (conf & TX39_CONF_DCE) { + if (!(conf & TX39_CONF_WBON)) + pr_info("TX3927 D-Cache WriteThrough.\n"); + else if (!(conf & TX39_CONF_CWFON)) + pr_info("TX3927 D-Cache WriteBack.\n"); + else + pr_info("TX3927 D-Cache WriteBack (CWF) .\n"); + } } void __init tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr) diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index f80d4b7a694d..e679c79a4b0f 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -44,6 +44,7 @@ void __init tx4927_setup(void) txx9_reg_res_init(TX4927_REV_PCODE(), TX4927_REG_BASE, TX4927_REG_SIZE); + set_c0_config(TX49_CONF_CWFON); /* SDRAMC,EBUSC are configured by PROM */ for (i = 0; i < 8; i++) { diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index f3040b9ba059..95c058f0a96c 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -47,6 +47,7 @@ void __init tx4938_setup(void) txx9_reg_res_init(TX4938_REV_PCODE(), TX4938_REG_BASE, TX4938_REG_SIZE); + set_c0_config(TX49_CONF_CWFON); /* SDRAMC,EBUSC are configured by PROM */ for (i = 0; i < 8; i++) { diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index 87db41be8a56..2e40a9268254 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -62,7 +62,6 @@ static void __init jmr3927_time_init(void) } #define DO_WRITE_THROUGH -#define DO_ENABLE_CACHE static void jmr3927_board_init(void); @@ -77,11 +76,6 @@ static void __init jmr3927_mem_setup(void) /* cache setup */ { unsigned int conf; -#ifdef DO_ENABLE_CACHE - int mips_ic_disable = 0, mips_dc_disable = 0; -#else - int mips_ic_disable = 1, mips_dc_disable = 1; -#endif #ifdef DO_WRITE_THROUGH int mips_config_cwfon = 0; int mips_config_wbon = 0; @@ -91,10 +85,7 @@ static void __init jmr3927_mem_setup(void) #endif conf = read_c0_conf(); - conf &= ~(TX39_CONF_ICE | TX39_CONF_DCE | - TX39_CONF_WBON | TX39_CONF_CWFON); - conf |= mips_ic_disable ? 0 : TX39_CONF_ICE; - conf |= mips_dc_disable ? 0 : TX39_CONF_DCE; + conf &= ~(TX39_CONF_WBON | TX39_CONF_CWFON); conf |= mips_config_wbon ? TX39_CONF_WBON : 0; conf |= mips_config_cwfon ? TX39_CONF_CWFON : 0; diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 5985f330838a..0464a39b39ac 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -186,14 +186,8 @@ static void __init rbtx4937_clock_init(void); static void __init rbtx4927_mem_setup(void) { - u32 cp0_config; char *argptr; - /* enable caches -- HCP5 does this, pmon does not */ - cp0_config = read_c0_config(); - cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC); - write_c0_config(cp0_config); - if (TX4927_REV_PCODE() == 0x4927) { rbtx4927_clock_init(); tx4927_setup(); -- GitLab From c7b95bcb38ea492fd025008ef99501a2b90aa237 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:10 +0900 Subject: [PATCH 3670/6244] MIPS: TXx9: Runtime configuration of timeout-error Add kernel options to control bus timeout error. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 11 +++++++++++ arch/mips/txx9/generic/setup_tx3927.c | 5 ----- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index fa88aefea9ef..fa45f174b0ee 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -68,7 +68,12 @@ unsigned int txx9_master_clock; unsigned int txx9_cpu_clock; unsigned int txx9_gbus_clock; +#ifdef CONFIG_CPU_TX39XX +/* don't enable by default - see errata */ +int txx9_ccfg_toeon __initdata; +#else int txx9_ccfg_toeon __initdata = 1; +#endif /* Minimum CLK support */ @@ -315,6 +320,12 @@ static void __init preprocess_cmdline(void) } else if (strcmp(str, "dcdisable") == 0) { txx9_dc_disable = 1; continue; + } else if (strcmp(str, "toeoff") == 0) { + txx9_ccfg_toeon = 0; + continue; + } else if (strcmp(str, "toeon") == 0) { + txx9_ccfg_toeon = 1; + continue; } if (arcs_cmdline[0]) strcat(arcs_cmdline, " "); diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c index 4bc2f859379d..06c492576078 100644 --- a/arch/mips/txx9/generic/setup_tx3927.c +++ b/arch/mips/txx9/generic/setup_tx3927.c @@ -32,11 +32,6 @@ void __init tx3927_setup(void) int i; unsigned int conf; - /* don't enable - see errata */ - txx9_ccfg_toeon = 0; - if (strstr(prom_getcmdline(), "toeon") != NULL) - txx9_ccfg_toeon = 1; - txx9_reg_res_init(TX3927_REV_PCODE(), TX3927_REG_BASE, TX3927_REG_SIZE); -- GitLab From 51f607c76e1e7bd089dcad97b6b0a58649be06a3 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:11 +0900 Subject: [PATCH 3671/6244] MIPS: TXx9: Add mtd support Add helper routines to register physmap-flash platform devices for NOR flashes. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 41 +++++++++++++++++++++++++++ arch/mips/txx9/generic/setup_tx3927.c | 14 +++++++++ arch/mips/txx9/generic/setup_tx4927.c | 14 +++++++++ arch/mips/txx9/generic/setup_tx4938.c | 14 +++++++++ arch/mips/txx9/jmr3927/setup.c | 9 ++++++ arch/mips/txx9/rbtx4927/setup.c | 9 ++++++ arch/mips/txx9/rbtx4938/setup.c | 38 +++++++++++++++++++++++++ include/asm-mips/txx9/generic.h | 4 +++ include/asm-mips/txx9/tx3927.h | 2 ++ include/asm-mips/txx9/tx4927.h | 3 ++ include/asm-mips/txx9/tx4938.h | 2 ++ 11 files changed, 150 insertions(+) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index fa45f174b0ee..cfa3ccf493bb 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -593,3 +594,43 @@ static unsigned long __swizzle_addr_none(unsigned long port) unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none; EXPORT_SYMBOL(__swizzle_addr_b); #endif + +void __init txx9_physmap_flash_init(int no, unsigned long addr, + unsigned long size, + const struct physmap_flash_data *pdata) +{ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) + struct resource res = { + .start = addr, + .end = addr + size - 1, + .flags = IORESOURCE_MEM, + }; + struct platform_device *pdev; +#ifdef CONFIG_MTD_PARTITIONS + static struct mtd_partition parts[2]; + struct physmap_flash_data pdata_part; + + /* If this area contained boot area, make separate partition */ + if (pdata->nr_parts == 0 && !pdata->parts && + addr < 0x1fc00000 && addr + size > 0x1fc00000 && + !parts[0].name) { + parts[0].name = "boot"; + parts[0].offset = 0x1fc00000 - addr; + parts[0].size = addr + size - 0x1fc00000; + parts[1].name = "user"; + parts[1].offset = 0; + parts[1].size = 0x1fc00000 - addr; + pdata_part = *pdata; + pdata_part.nr_parts = ARRAY_SIZE(parts); + pdata_part.parts = parts; + pdata = &pdata_part; + } +#endif + pdev = platform_device_alloc("physmap-flash", no); + if (!pdev || + platform_device_add_resources(pdev, &res, 1) || + platform_device_add_data(pdev, pdata, sizeof(*pdata)) || + platform_device_add(pdev)) + platform_device_put(pdev); +#endif +} diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c index 06c492576078..9505d58454c8 100644 --- a/arch/mips/txx9/generic/setup_tx3927.c +++ b/arch/mips/txx9/generic/setup_tx3927.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -121,3 +122,16 @@ void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask) TXX9_IRQ_BASE + TX3927_IR_SIO(i), i, sclk, (1 << i) & cts_mask); } + +void __init tx3927_mtd_init(int ch) +{ + struct physmap_flash_data pdata = { + .width = TX3927_ROMC_WIDTH(ch) / 8, + }; + unsigned long start = txx9_ce_res[ch].start; + unsigned long size = txx9_ce_res[ch].end - start + 1; + + if (!(tx3927_romcptr->cr[ch] & 0x8)) + return; /* disabled */ + txx9_physmap_flash_init(ch, start, size, &pdata); +} diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index e679c79a4b0f..0840ef930e40 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -187,3 +188,16 @@ void __init tx4927_sio_init(unsigned int sclk, unsigned int cts_mask) TXX9_IRQ_BASE + TX4927_IR_SIO(i), i, sclk, (1 << i) & cts_mask); } + +void __init tx4927_mtd_init(int ch) +{ + struct physmap_flash_data pdata = { + .width = TX4927_EBUSC_WIDTH(ch) / 8, + }; + unsigned long start = txx9_ce_res[ch].start; + unsigned long size = txx9_ce_res[ch].end - start + 1; + + if (!(TX4927_EBUSC_CR(ch) & 0x8)) + return; /* disabled */ + txx9_physmap_flash_init(ch, start, size, &pdata); +} diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 95c058f0a96c..630a7aac61f6 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -269,3 +270,16 @@ void __init tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1) if (addr1 && (pcfg & TX4938_PCFG_ETH1_SEL)) txx9_ethaddr_init(TXX9_IRQ_BASE + TX4938_IR_ETH1, addr1); } + +void __init tx4938_mtd_init(int ch) +{ + struct physmap_flash_data pdata = { + .width = TX4938_EBUSC_WIDTH(ch) / 8, + }; + unsigned long start = txx9_ce_res[ch].start; + unsigned long size = txx9_ce_res[ch].end - start + 1; + + if (!(TX4938_EBUSC_CR(ch) & 0x8)) + return; /* disabled */ + txx9_physmap_flash_init(ch, start, size, &pdata); +} diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index 2e40a9268254..0f3843c92cf7 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -190,11 +190,20 @@ static void __init jmr3927_rtc_init(void) platform_device_register_simple("rtc-ds1742", -1, &res, 1); } +static void __init jmr3927_mtd_init(void) +{ + int i; + + for (i = 0; i < 2; i++) + tx3927_mtd_init(i); +} + static void __init jmr3927_device_init(void) { __swizzle_addr_b = jmr3927_swizzle_addr_b; jmr3927_rtc_init(); tx3927_wdt_init(); + jmr3927_mtd_init(); } struct txx9_board_vec jmr3927_vec __initdata = { diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index 0464a39b39ac..abe32c1a79dc 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -307,11 +307,20 @@ static void __init rbtx4927_ne_init(void) platform_device_register_simple("ne", -1, res, ARRAY_SIZE(res)); } +static void __init rbtx4927_mtd_init(void) +{ + int i; + + for (i = 0; i < 2; i++) + tx4927_mtd_init(i); +} + static void __init rbtx4927_device_init(void) { toshiba_rbtx4927_rtc_init(); rbtx4927_ne_init(); tx4927_wdt_init(); + rbtx4927_mtd_init(); } struct txx9_board_vec rbtx4927_vec __initdata = { diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index 9ab48dec0fe8..e7bc5b8c7db8 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -294,6 +295,42 @@ static int __init rbtx4938_spi_init(void) return 0; } +static void __init rbtx4938_mtd_init(void) +{ + struct physmap_flash_data pdata = { + .width = 4, + }; + + switch (readb(rbtx4938_bdipsw_addr) & 7) { + case 0: + /* Boot */ + txx9_physmap_flash_init(0, 0x1fc00000, 0x400000, &pdata); + /* System */ + txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata); + break; + case 1: + /* System */ + txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata); + /* Boot */ + txx9_physmap_flash_init(1, 0x1ec00000, 0x400000, &pdata); + break; + case 2: + /* Ext */ + txx9_physmap_flash_init(0, 0x1f000000, 0x1000000, &pdata); + /* System */ + txx9_physmap_flash_init(1, 0x1e000000, 0x1000000, &pdata); + /* Boot */ + txx9_physmap_flash_init(2, 0x1dc00000, 0x400000, &pdata); + break; + case 3: + /* Boot */ + txx9_physmap_flash_init(1, 0x1bc00000, 0x400000, &pdata); + /* System */ + txx9_physmap_flash_init(2, 0x1a000000, 0x1000000, &pdata); + break; + } +} + static void __init rbtx4938_arch_init(void) { gpiochip_add(&rbtx4938_spi_gpio_chip); @@ -306,6 +343,7 @@ static void __init rbtx4938_device_init(void) rbtx4938_ethaddr_init(); rbtx4938_ne_init(); tx4938_wdt_init(); + rbtx4938_mtd_init(); } struct txx9_board_vec rbtx4938_vec __initdata = { diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index 0a225bf73496..1982c4437b1d 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -59,4 +59,8 @@ static inline void txx9_sio_putchar_init(unsigned long baseaddr) } #endif +struct physmap_flash_data; +void txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, + const struct physmap_flash_data *pdata); + #endif /* __ASM_TXX9_GENERIC_H */ diff --git a/include/asm-mips/txx9/tx3927.h b/include/asm-mips/txx9/tx3927.h index 587deb9592d2..dc30c8d42061 100644 --- a/include/asm-mips/txx9/tx3927.h +++ b/include/asm-mips/txx9/tx3927.h @@ -325,6 +325,7 @@ struct tx3927_ccfg_reg { #define TX3927_ROMC_BA(ch) (tx3927_romcptr->cr[(ch)] & 0xfff00000) #define TX3927_ROMC_SIZE(ch) \ (0x00100000 << ((tx3927_romcptr->cr[(ch)] >> 8) & 0xf)) +#define TX3927_ROMC_WIDTH(ch) (32 >> ((tx3927_romcptr->cr[(ch)] >> 7) & 0x1)) void tx3927_wdt_init(void); void tx3927_setup(void); @@ -335,5 +336,6 @@ void tx3927_pcic_setup(struct pci_controller *channel, unsigned long sdram_size, int extarb); void tx3927_setup_pcierr_irq(void); void tx3927_irq_init(void); +void tx3927_mtd_init(int ch); #endif /* __ASM_TXX9_TX3927_H */ diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h index 195f6515db9a..36a9241b0cac 100644 --- a/include/asm-mips/txx9/tx4927.h +++ b/include/asm-mips/txx9/tx4927.h @@ -196,6 +196,8 @@ struct tx4927_ccfg_reg { #define TX4927_EBUSC_BA(ch) ((TX4927_EBUSC_CR(ch) >> 48) << 20) #define TX4927_EBUSC_SIZE(ch) \ (0x00100000 << ((unsigned long)(TX4927_EBUSC_CR(ch) >> 8) & 0xf)) +#define TX4927_EBUSC_WIDTH(ch) \ + (64 >> ((__u32)(TX4927_EBUSC_CR(ch) >> 20) & 0x3)) /* utilities */ static inline void txx9_clear64(__u64 __iomem *adr, __u64 bits) @@ -251,5 +253,6 @@ int tx4927_report_pciclk(void); int tx4927_pciclk66_setup(void); void tx4927_setup_pcierr_irq(void); void tx4927_irq_init(void); +void tx4927_mtd_init(int ch); #endif /* __ASM_TXX9_TX4927_H */ diff --git a/include/asm-mips/txx9/tx4938.h b/include/asm-mips/txx9/tx4938.h index 8175d4ccbc39..989e7751135a 100644 --- a/include/asm-mips/txx9/tx4938.h +++ b/include/asm-mips/txx9/tx4938.h @@ -274,6 +274,7 @@ struct tx4938_ccfg_reg { #define TX4938_EBUSC_CR(ch) TX4927_EBUSC_CR(ch) #define TX4938_EBUSC_BA(ch) TX4927_EBUSC_BA(ch) #define TX4938_EBUSC_SIZE(ch) TX4927_EBUSC_SIZE(ch) +#define TX4938_EBUSC_WIDTH(ch) TX4927_EBUSC_WIDTH(ch) #define tx4938_get_mem_size() tx4927_get_mem_size() void tx4938_wdt_init(void); @@ -289,5 +290,6 @@ struct pci_dev; int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot); void tx4938_setup_pcierr_irq(void); void tx4938_irq_init(void); +void tx4938_mtd_init(int ch); #endif -- GitLab From 74894363499942a76f2c20e41e8bfebc9fdc267a Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:12 +0900 Subject: [PATCH 3672/6244] MIPS: TXx9: Raise priority of interrupts for errors, timers, SIO Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/irq_tx4927.c | 11 +++++++++++ arch/mips/txx9/generic/irq_tx4938.c | 11 +++++++++++ include/asm-mips/txx9/tx4927.h | 11 +++++++++++ 3 files changed, 33 insertions(+) diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c index cbea1fdde82b..ad2870def8f1 100644 --- a/arch/mips/txx9/generic/irq_tx4927.c +++ b/arch/mips/txx9/generic/irq_tx4927.c @@ -30,8 +30,19 @@ void __init tx4927_irq_init(void) { + int i; + mips_cpu_irq_init(); txx9_irq_init(TX4927_IRC_REG & 0xfffffffffULL); set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT, handle_simple_irq); + /* raise priority for errors, timers, SIO */ + txx9_irq_set_pri(TX4927_IR_ECCERR, 7); + txx9_irq_set_pri(TX4927_IR_WTOERR, 7); + txx9_irq_set_pri(TX4927_IR_PCIERR, 7); + txx9_irq_set_pri(TX4927_IR_PCIPME, 7); + for (i = 0; i < TX4927_NUM_IR_TMR; i++) + txx9_irq_set_pri(TX4927_IR_TMR(i), 6); + for (i = 0; i < TX4927_NUM_IR_SIO; i++) + txx9_irq_set_pri(TX4927_IR_SIO(i), 5); } diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c index 6eac684bf190..025ae11359a8 100644 --- a/arch/mips/txx9/generic/irq_tx4938.c +++ b/arch/mips/txx9/generic/irq_tx4938.c @@ -18,8 +18,19 @@ void __init tx4938_irq_init(void) { + int i; + mips_cpu_irq_init(); txx9_irq_init(TX4938_IRC_REG & 0xfffffffffULL); set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT, handle_simple_irq); + /* raise priority for errors, timers, SIO */ + txx9_irq_set_pri(TX4938_IR_ECCERR, 7); + txx9_irq_set_pri(TX4938_IR_WTOERR, 7); + txx9_irq_set_pri(TX4938_IR_PCIERR, 7); + txx9_irq_set_pri(TX4938_IR_PCIPME, 7); + for (i = 0; i < TX4938_NUM_IR_TMR; i++) + txx9_irq_set_pri(TX4938_IR_TMR(i), 6); + for (i = 0; i < TX4938_NUM_IR_SIO; i++) + txx9_irq_set_pri(TX4938_IR_SIO(i), 5); } diff --git a/include/asm-mips/txx9/tx4927.h b/include/asm-mips/txx9/tx4927.h index 36a9241b0cac..7d813f1cb98d 100644 --- a/include/asm-mips/txx9/tx4927.h +++ b/include/asm-mips/txx9/tx4927.h @@ -50,12 +50,23 @@ #define TX4927_SIO_REG(ch) (TX4927_REG_BASE + 0xf300 + (ch) * 0x100) #define TX4927_PIO_REG (TX4927_REG_BASE + 0xf500) +#define TX4927_IR_ECCERR 0 +#define TX4927_IR_WTOERR 1 +#define TX4927_NUM_IR_INT 6 #define TX4927_IR_INT(n) (2 + (n)) +#define TX4927_NUM_IR_SIO 2 #define TX4927_IR_SIO(n) (8 + (n)) +#define TX4927_NUM_IR_DMA 4 +#define TX4927_IR_DMA(n) (10 + (n)) +#define TX4927_IR_PIO 14 +#define TX4927_IR_PDMAC 15 #define TX4927_IR_PCIC 16 #define TX4927_NUM_IR_TMR 3 #define TX4927_IR_TMR(n) (17 + (n)) #define TX4927_IR_PCIERR 22 +#define TX4927_IR_PCIPME 23 +#define TX4927_IR_ACLC 24 +#define TX4927_IR_ACLCPME 25 #define TX4927_NUM_IR 32 #define TX4927_IRC_INT 2 /* IP[2] in Status register */ -- GitLab From e6332374770ae5aa370af5792115261edbad05c1 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:13 +0900 Subject: [PATCH 3673/6244] MIPS: RBTX4938: Add TOSHIBA_RBTX4938_MPLEX_KEEP Add TOSHIBA_RBTX4938_MPLEX_KEEP to keep MPLEX settings by firmware. Also replace some printk with pr_info. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/Kconfig | 2 ++ arch/mips/txx9/rbtx4938/setup.c | 13 ++++++++++--- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 6fb2ef09d5dd..aade3348af29 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -94,6 +94,8 @@ config TOSHIBA_RBTX4938_MPLEX_NAND bool "NAND" config TOSHIBA_RBTX4938_MPLEX_ATA bool "ATA" +config TOSHIBA_RBTX4938_MPLEX_KEEP + bool "Keep firmware settings" endchoice diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index e7bc5b8c7db8..7aba92a12399 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -174,23 +174,30 @@ static void __init rbtx4938_mem_setup(void) #endif #ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_PIO58_61 - printk(KERN_INFO "PIOSEL: disabling both ata and nand selection\n"); + pr_info("PIOSEL: disabling both ATA and NAND selection\n"); txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL | TX4938_PCFG_ATA_SEL); #endif #ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_NAND - printk(KERN_INFO "PIOSEL: enabling nand selection\n"); + pr_info("PIOSEL: enabling NAND selection\n"); txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL); txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL); #endif #ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_ATA - printk(KERN_INFO "PIOSEL: enabling ata selection\n"); + pr_info("PIOSEL: enabling ATA selection\n"); txx9_set64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_ATA_SEL); txx9_clear64(&tx4938_ccfgptr->pcfg, TX4938_PCFG_NDF_SEL); #endif +#ifdef CONFIG_TOSHIBA_RBTX4938_MPLEX_KEEP + pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); + pr_info("PIOSEL: NAND %s, ATA %s\n", + (pcfg & TX4938_PCFG_NDF_SEL) ? "enabled" : "disabled", + (pcfg & TX4938_PCFG_ATA_SEL) ? "enabled" : "disabled"); +#endif + rbtx4938_spi_setup(); pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); /* updated */ /* fixup piosel */ -- GitLab From d75a40e90e9eb08c2159e719a90a7922dab231d3 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:14 +0900 Subject: [PATCH 3674/6244] MIPS: TXx9: Make spi_eeprom.c more generic Helper routines in txx9/rbtx4938/spi_eeprom.c is not TX4938 specific. Move it to txx9/generic/ directory and make it works with SPI bus number other than 0. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle create mode 100644 arch/mips/txx9/generic/spi_eeprom.c delete mode 100644 arch/mips/txx9/rbtx4938/spi_eeprom.c --- arch/mips/txx9/generic/Makefile | 1 + .../txx9/{rbtx4938 => generic}/spi_eeprom.c | 28 +++++++++++-------- arch/mips/txx9/rbtx4938/Makefile | 2 +- arch/mips/txx9/rbtx4938/setup.c | 11 ++++---- include/asm-mips/txx9/spi.h | 19 +++++++++++-- 5 files changed, 41 insertions(+), 20 deletions(-) rename arch/mips/txx9/{rbtx4938 => generic}/spi_eeprom.c (79%) diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index 9bb34af26b73..986852cc774c 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -8,5 +8,6 @@ obj-$(CONFIG_SOC_TX3927) += setup_tx3927.o irq_tx3927.o obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o +obj-$(CONFIG_SPI) += spi_eeprom.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/txx9/rbtx4938/spi_eeprom.c b/arch/mips/txx9/generic/spi_eeprom.c similarity index 79% rename from arch/mips/txx9/rbtx4938/spi_eeprom.c rename to arch/mips/txx9/generic/spi_eeprom.c index a7ea8b041c1d..75c347238f47 100644 --- a/arch/mips/txx9/rbtx4938/spi_eeprom.c +++ b/arch/mips/txx9/generic/spi_eeprom.c @@ -18,29 +18,31 @@ #define AT250X0_PAGE_SIZE 8 /* register board information for at25 driver */ -int __init spi_eeprom_register(int chipid) +int __init spi_eeprom_register(int busid, int chipid, int size) { - static struct spi_eeprom eeprom = { - .name = "at250x0", - .byte_len = 128, - .page_size = AT250X0_PAGE_SIZE, - .flags = EE_ADDR1, - }; struct spi_board_info info = { .modalias = "at25", .max_speed_hz = 1500000, /* 1.5Mbps */ - .bus_num = 0, + .bus_num = busid, .chip_select = chipid, - .platform_data = &eeprom, /* Mode 0: High-Active, Sample-Then-Shift */ }; - + struct spi_eeprom *eeprom; + eeprom = kzalloc(sizeof(*eeprom), GFP_KERNEL); + if (!eeprom) + return -ENOMEM; + strcpy(eeprom->name, "at250x0"); + eeprom->byte_len = size; + eeprom->page_size = AT250X0_PAGE_SIZE; + eeprom->flags = EE_ADDR1; + info.platform_data = eeprom; return spi_register_board_info(&info, 1); } /* simple temporary spi driver to provide early access to seeprom. */ static struct read_param { + int busid; int chipid; int address; unsigned char *buf; @@ -57,7 +59,8 @@ static int __init early_seeprom_probe(struct spi_device *spi) dev_info(&spi->dev, "spiclk %u KHz.\n", (spi->max_speed_hz + 500) / 1000); - if (read_param->chipid != spi->chip_select) + if (read_param->busid != spi->master->bus_num || + read_param->chipid != spi->chip_select) return -ENODEV; while (len > 0) { /* spi_write_then_read can only work with small chunk */ @@ -80,11 +83,12 @@ static struct spi_driver early_seeprom_driver __initdata = { .probe = early_seeprom_probe, }; -int __init spi_eeprom_read(int chipid, int address, +int __init spi_eeprom_read(int busid, int chipid, int address, unsigned char *buf, int len) { int ret; struct read_param param = { + .busid = busid, .chipid = chipid, .address = address, .buf = buf, diff --git a/arch/mips/txx9/rbtx4938/Makefile b/arch/mips/txx9/rbtx4938/Makefile index 9dcc52ae5b9d..f3e1f597b4f1 100644 --- a/arch/mips/txx9/rbtx4938/Makefile +++ b/arch/mips/txx9/rbtx4938/Makefile @@ -1,3 +1,3 @@ -obj-y += prom.o setup.o irq.o spi_eeprom.o +obj-y += prom.o setup.o irq.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index 7aba92a12399..ec6e81258f73 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -111,6 +111,7 @@ static void __init rbtx4938_pci_setup(void) #define SEEPROM2_CS 0 /* IOC */ #define SEEPROM3_CS 1 /* IOC */ #define SRTC_CS 2 /* IOC */ +#define SPI_BUSNO 0 static int __init rbtx4938_ethaddr_init(void) { @@ -120,7 +121,7 @@ static int __init rbtx4938_ethaddr_init(void) int i; /* 0-3: "MAC\0", 4-9:eth0, 10-15:eth1, 16:sum */ - if (spi_eeprom_read(SEEPROM1_CS, 0, dat, sizeof(dat))) { + if (spi_eeprom_read(SPI_BUSNO, SEEPROM1_CS, 0, dat, sizeof(dat))) { printk(KERN_ERR "seeprom: read error.\n"); return -ENODEV; } else { @@ -287,9 +288,9 @@ static int __init rbtx4938_spi_init(void) .mode = SPI_MODE_1 | SPI_CS_HIGH, }; spi_register_board_info(&srtc_info, 1); - spi_eeprom_register(SEEPROM1_CS); - spi_eeprom_register(16 + SEEPROM2_CS); - spi_eeprom_register(16 + SEEPROM3_CS); + spi_eeprom_register(SPI_BUSNO, SEEPROM1_CS, 128); + spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM2_CS, 128); + spi_eeprom_register(SPI_BUSNO, 16 + SEEPROM3_CS, 128); gpio_request(16 + SRTC_CS, "rtc-rs5c348"); gpio_direction_output(16 + SRTC_CS, 0); gpio_request(SEEPROM1_CS, "seeprom1"); @@ -298,7 +299,7 @@ static int __init rbtx4938_spi_init(void) gpio_direction_output(16 + SEEPROM2_CS, 1); gpio_request(16 + SEEPROM3_CS, "seeprom3"); gpio_direction_output(16 + SEEPROM3_CS, 1); - tx4938_spi_init(0); + tx4938_spi_init(SPI_BUSNO); return 0; } diff --git a/include/asm-mips/txx9/spi.h b/include/asm-mips/txx9/spi.h index ddfb2a0dc432..0d727f354557 100644 --- a/include/asm-mips/txx9/spi.h +++ b/include/asm-mips/txx9/spi.h @@ -13,7 +13,22 @@ #ifndef __ASM_TXX9_SPI_H #define __ASM_TXX9_SPI_H -extern int spi_eeprom_register(int chipid); -extern int spi_eeprom_read(int chipid, int address, unsigned char *buf, int len); +#include + +#ifdef CONFIG_SPI +int spi_eeprom_register(int busid, int chipid, int size); +int spi_eeprom_read(int busid, int chipid, + int address, unsigned char *buf, int len); +#else +static inline int spi_eeprom_register(int busid, int chipid, int size) +{ + return -ENODEV; +} +static inline int spi_eeprom_read(int busid, int chipid, + int address, unsigned char *buf, int len) +{ + return -ENODEV; +} +#endif #endif /* __ASM_TXX9_SPI_H */ -- GitLab From 496a3b5c2c188e8af07261792b3d4e6cf1c1dab9 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:15 +0900 Subject: [PATCH 3675/6244] MIPS: TXx9: Default machine_restart using watchdog reset Add default machine_restart routine using watchdog reset of TX4927 and TX4938. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 15 ++++++++++++++ arch/mips/txx9/generic/setup_tx4927.c | 28 +++++++++++++++++++++++++++ arch/mips/txx9/generic/setup_tx4938.c | 28 +++++++++++++++++++++++++++ include/asm-mips/txx9/generic.h | 1 + 4 files changed, 72 insertions(+) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index cfa3ccf493bb..118d716f7832 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -29,6 +29,7 @@ #include #include #include +#include #ifdef CONFIG_CPU_TX49XX #include #endif @@ -444,6 +445,20 @@ void __init txx9_wdt_init(unsigned long base) platform_device_register_simple("txx9wdt", -1, &res, 1); } +void txx9_wdt_now(unsigned long base) +{ + struct txx9_tmr_reg __iomem *tmrptr = + ioremap(base, sizeof(struct txx9_tmr_reg)); + /* disable watch dog timer */ + __raw_writel(TXx9_TMWTMR_WDIS | TXx9_TMWTMR_TWC, &tmrptr->wtmr); + __raw_writel(0, &tmrptr->tcr); + /* kick watchdog */ + __raw_writel(TXx9_TMWTMR_TWIE, &tmrptr->wtmr); + __raw_writel(1, &tmrptr->cpra); /* immediate */ + __raw_writel(TXx9_TMTCR_TCE | TXx9_TMTCR_CCDE | TXx9_TMTCR_TMODE_WDOG, + &tmrptr->tcr); +} + /* SPI support */ void __init txx9_spi_init(int busid, unsigned long base, int irq) { diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index 0840ef930e40..7189675f6a29 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -23,6 +24,10 @@ static void __init tx4927_wdr_init(void) { + /* report watchdog reset status */ + if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_WDRST) + pr_warning("Watchdog reset detected at 0x%lx\n", + read_c0_errorepc()); /* clear WatchDogReset (W1C) */ tx4927_ccfg_set(TX4927_CCFG_WDRST); /* do reset on watchdog */ @@ -34,6 +39,27 @@ void __init tx4927_wdt_init(void) txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL); } +static void tx4927_machine_restart(char *command) +{ + local_irq_disable(); + pr_emerg("Rebooting (with %s watchdog reset)...\n", + (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_WDREXEN) ? + "external" : "internal"); + /* clear watchdog status */ + tx4927_ccfg_set(TX4927_CCFG_WDRST); /* W1C */ + txx9_wdt_now(TX4927_TMR_REG(2) & 0xfffffffffULL); + while (!(____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_WDRST)) + ; + mdelay(10); + if (____raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_WDREXEN) { + pr_emerg("Rebooting (with internal watchdog reset)...\n"); + /* External WDRST failed. Do internal watchdog reset */ + tx4927_ccfg_clear(TX4927_CCFG_WDREXEN); + } + /* fallback */ + (*_machine_halt)(); +} + static struct resource tx4927_sdram_resource[4]; void __init tx4927_setup(void) @@ -169,6 +195,8 @@ void __init tx4927_setup(void) txx9_gpio_init(TX4927_PIO_REG & 0xfffffffffULL, 0, TX4927_NUM_PIO); __raw_writel(0, &tx4927_pioptr->maskcpu); __raw_writel(0, &tx4927_pioptr->maskext); + + _machine_restart = tx4927_machine_restart; } void __init tx4927_time_init(unsigned int tmrnr) diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 630a7aac61f6..4fbc85a8597f 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -23,6 +24,10 @@ static void __init tx4938_wdr_init(void) { + /* report watchdog reset status */ + if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_WDRST) + pr_warning("Watchdog reset detected at 0x%lx\n", + read_c0_errorepc()); /* clear WatchDogReset (W1C) */ tx4938_ccfg_set(TX4938_CCFG_WDRST); /* do reset on watchdog */ @@ -34,6 +39,27 @@ void __init tx4938_wdt_init(void) txx9_wdt_init(TX4938_TMR_REG(2) & 0xfffffffffULL); } +static void tx4938_machine_restart(char *command) +{ + local_irq_disable(); + pr_emerg("Rebooting (with %s watchdog reset)...\n", + (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_WDREXEN) ? + "external" : "internal"); + /* clear watchdog status */ + tx4938_ccfg_set(TX4938_CCFG_WDRST); /* W1C */ + txx9_wdt_now(TX4938_TMR_REG(2) & 0xfffffffffULL); + while (!(____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_WDRST)) + ; + mdelay(10); + if (____raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_WDREXEN) { + pr_emerg("Rebooting (with internal watchdog reset)...\n"); + /* External WDRST failed. Do internal watchdog reset */ + tx4938_ccfg_clear(TX4938_CCFG_WDREXEN); + } + /* fallback */ + (*_machine_halt)(); +} + static struct resource tx4938_sdram_resource[4]; static struct resource tx4938_sram_resource; @@ -229,6 +255,8 @@ void __init tx4938_setup(void) TX4938_CLKCTR_ETH1CKD); } } + + _machine_restart = tx4938_machine_restart; } void __init tx4938_time_init(unsigned int tmrnr) diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index 1982c4437b1d..1e1a9f2d2379 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -45,6 +45,7 @@ extern int (*txx9_irq_dispatch)(int pending); char *prom_getcmdline(void); const char *prom_getenv(const char *name); void txx9_wdt_init(unsigned long base); +void txx9_wdt_now(unsigned long base); void txx9_spi_init(int busid, unsigned long base, int irq); void txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr); void txx9_sio_init(unsigned long baseaddr, int irq, -- GitLab From ce8e74112b1b1215aa5bbe261ed751498ce65434 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:16 +0900 Subject: [PATCH 3676/6244] MIPS: TXx9: Add board_be_init for TX4927/TX4938 Setup default board_be_handler for TX4927/TX4938. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup_tx4927.c | 23 +++++++++++++++++++++++ arch/mips/txx9/generic/setup_tx4938.c | 23 +++++++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index 7189675f6a29..c4248cbbd84a 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -14,8 +14,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -60,6 +62,26 @@ static void tx4927_machine_restart(char *command) (*_machine_halt)(); } +void show_registers(struct pt_regs *regs); +static int tx4927_be_handler(struct pt_regs *regs, int is_fixup) +{ + int data = regs->cp0_cause & 4; + console_verbose(); + pr_err("%cBE exception at %#lx\n", data ? 'D' : 'I', regs->cp0_epc); + pr_err("ccfg:%llx, toea:%llx\n", + (unsigned long long)____raw_readq(&tx4927_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4927_ccfgptr->toea)); +#ifdef CONFIG_PCI + tx4927_report_pcic_status(); +#endif + show_registers(regs); + panic("BusError!"); +} +static void __init tx4927_be_init(void) +{ + board_be_handler = tx4927_be_handler; +} + static struct resource tx4927_sdram_resource[4]; void __init tx4927_setup(void) @@ -197,6 +219,7 @@ void __init tx4927_setup(void) __raw_writel(0, &tx4927_pioptr->maskext); _machine_restart = tx4927_machine_restart; + board_be_init = tx4927_be_init; } void __init tx4927_time_init(unsigned int tmrnr) diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 4fbc85a8597f..0d8517ad3ad0 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -14,8 +14,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -60,6 +62,26 @@ static void tx4938_machine_restart(char *command) (*_machine_halt)(); } +void show_registers(struct pt_regs *regs); +static int tx4938_be_handler(struct pt_regs *regs, int is_fixup) +{ + int data = regs->cp0_cause & 4; + console_verbose(); + pr_err("%cBE exception at %#lx\n", data ? 'D' : 'I', regs->cp0_epc); + pr_err("ccfg:%llx, toea:%llx\n", + (unsigned long long)____raw_readq(&tx4938_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4938_ccfgptr->toea)); +#ifdef CONFIG_PCI + tx4927_report_pcic_status(); +#endif + show_registers(regs); + panic("BusError!"); +} +static void __init tx4938_be_init(void) +{ + board_be_handler = tx4938_be_handler; +} + static struct resource tx4938_sdram_resource[4]; static struct resource tx4938_sram_resource; @@ -257,6 +279,7 @@ void __init tx4938_setup(void) } _machine_restart = tx4938_machine_restart; + board_be_init = tx4938_be_init; } void __init tx4938_time_init(unsigned int tmrnr) -- GitLab From ee25d33f87348fd9e0ea148c4a25a3e7415fb5ba Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:17 +0900 Subject: [PATCH 3677/6244] MIPS: TXx9: Add __init tag for tx4938_pcic1_map_irq. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/pci/pci-tx4938.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/pci/pci-tx4938.c b/arch/mips/pci/pci-tx4938.c index 60e2c52c2c5e..1ea257bc3b8f 100644 --- a/arch/mips/pci/pci-tx4938.c +++ b/arch/mips/pci/pci-tx4938.c @@ -114,7 +114,7 @@ int __init tx4938_pciclk66_setup(void) return pciclk; } -int tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot) +int __init tx4938_pcic1_map_irq(const struct pci_dev *dev, u8 slot) { if (get_tx4927_pcicptr(dev->bus->sysdata) == tx4938_pcic1ptr) { switch (slot) { -- GitLab From 021635280d4572b9d9bb5481b00afea8a66b295f Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Tue, 19 Aug 2008 22:55:18 +0900 Subject: [PATCH 3678/6244] MIPS: TXx9: Declare smsc_fdc37m81x_config_get() in smsc_fdc37m81x.h Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- include/asm-mips/txx9/smsc_fdc37m81x.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-mips/txx9/smsc_fdc37m81x.h b/include/asm-mips/txx9/smsc_fdc37m81x.h index 02e161d0755d..d1d6332b4ca6 100644 --- a/include/asm-mips/txx9/smsc_fdc37m81x.h +++ b/include/asm-mips/txx9/smsc_fdc37m81x.h @@ -62,6 +62,7 @@ void smsc_fdc37m81x_config_beg(void); void smsc_fdc37m81x_config_end(void); +u8 smsc_fdc37m81x_config_get(u8 reg); void smsc_fdc37m81x_config_set(u8 reg, u8 val); #endif -- GitLab From 3cd4e067a3e548a56a8b5e202552dcd18a2783a9 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 22 Aug 2008 17:00:22 +0200 Subject: [PATCH 3679/6244] MIPS: RB532: Cleanup and group definitions to their right places This patch moves GPIO related definitions to gpio.h and IRQ related to irq.h Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/devices.c | 16 ++-------------- include/asm-mips/mach-rc32434/gpio.h | 9 +++++++++ include/asm-mips/mach-rc32434/irq.h | 5 +++++ 3 files changed, 16 insertions(+), 14 deletions(-) diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 82ab395efa33..7090dc97606f 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -34,21 +34,11 @@ #include #include #include - -#define ETH0_DMA_RX_IRQ (GROUP1_IRQ_BASE + 0) -#define ETH0_DMA_TX_IRQ (GROUP1_IRQ_BASE + 1) -#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9) -#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10) +#include #define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET) #define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET) -/* NAND definitions */ -#define GPIO_RDY (1 << 0x08) -#define GPIO_WPX (1 << 0x09) -#define GPIO_ALE (1 << 0x0a) -#define GPIO_CLE (1 << 0x0b) - static struct resource korina_dev0_res[] = { { .name = "korina_regs", @@ -101,8 +91,6 @@ static struct platform_device korina_dev0 = { .num_resources = ARRAY_SIZE(korina_dev0_res), }; -#define CF_GPIO_NUM 13 - static struct resource cf_slot0_res[] = { { .name = "cf_membase", @@ -116,7 +104,7 @@ static struct resource cf_slot0_res[] = { }; static struct cf_device cf_slot0_data = { - .gpio_pin = 13 + .gpio_pin = CF_GPIO_NUM }; static struct platform_device cf_slot0 = { diff --git a/include/asm-mips/mach-rc32434/gpio.h b/include/asm-mips/mach-rc32434/gpio.h index f946f5f45bbb..4fe18dbacaf7 100644 --- a/include/asm-mips/mach-rc32434/gpio.h +++ b/include/asm-mips/mach-rc32434/gpio.h @@ -61,6 +61,15 @@ struct rb532_gpio_reg { /* PCI messaging unit */ #define RC32434_PCI_MSU_GPIO (1 << 13) +/* NAND GPIO signals */ +#define GPIO_RDY (1 << 0x08) +#define GPIO_WPX (1 << 0x09) +#define GPIO_ALE (1 << 0x0a) +#define GPIO_CLE (1 << 0x0b) + +/* Compact Flash GPIO pin */ +#define CF_GPIO_NUM 13 + extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val); extern unsigned get_434_reg(unsigned reg_offs); diff --git a/include/asm-mips/mach-rc32434/irq.h b/include/asm-mips/mach-rc32434/irq.h index cb9e4725f5dc..d68318b6b76d 100644 --- a/include/asm-mips/mach-rc32434/irq.h +++ b/include/asm-mips/mach-rc32434/irq.h @@ -5,4 +5,9 @@ #include +#define ETH0_DMA_RX_IRQ (GROUP1_IRQ_BASE + 0) +#define ETH0_DMA_TX_IRQ (GROUP1_IRQ_BASE + 1) +#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9) +#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10) + #endif /* __ASM_RC32434_IRQ_H */ -- GitLab From 3c8cf8caa5b217fbb17d0dce7f6bbec1d7da7249 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 22 Aug 2008 17:01:03 +0200 Subject: [PATCH 3680/6244] MIPS: RB532: Use physical addresses for gpio and device controller registers This patch fixes the misuse of virtual addresses for the GPIO and third device controller which would lead to problems while accessing ioremap'd registers. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/gpio.c | 8 ++++---- include/asm-mips/mach-rc32434/rb.h | 3 ++- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index 00a1c7877bf4..11d7127655e3 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -47,8 +47,8 @@ struct mpmc_device dev3; static struct resource rb532_gpio_reg0_res[] = { { .name = "gpio_reg0", - .start = (u32)(IDT434_REG_BASE + GPIOBASE), - .end = (u32)(IDT434_REG_BASE + GPIOBASE + sizeof(struct rb532_gpio_reg)), + .start = REGBASE + GPIOBASE, + .end = REGBASE + GPIOBASE + sizeof(struct rb532_gpio_reg) - 1, .flags = IORESOURCE_MEM, } }; @@ -56,8 +56,8 @@ static struct resource rb532_gpio_reg0_res[] = { static struct resource rb532_dev3_ctl_res[] = { { .name = "dev3_ctl", - .start = (u32)(IDT434_REG_BASE + DEV3BASE), - .end = (u32)(IDT434_REG_BASE + DEV3BASE + sizeof(struct dev_reg)), + .start = REGBASE + DEV3BASE, + .end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1, .flags = IORESOURCE_MEM, } }; diff --git a/include/asm-mips/mach-rc32434/rb.h b/include/asm-mips/mach-rc32434/rb.h index e0a76e3ffea8..62ac73c999c4 100644 --- a/include/asm-mips/mach-rc32434/rb.h +++ b/include/asm-mips/mach-rc32434/rb.h @@ -17,7 +17,8 @@ #include -#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000)) +#define REGBASE 0x18000000 +#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE)) #define DEV0BASE 0x010000 #define DEV0MASK 0x010004 #define DEV0C 0x010008 -- GitLab From 49afa0a15180c22c8836ef36edd6aa48ab7b2915 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 22 Aug 2008 17:01:31 +0200 Subject: [PATCH 3681/6244] MIPS: RB532: Remove gpio bootup state We are no longer using gpio bootup state, so do not export it and do not parse the kernel command line tag for it. Instead we provide gpio-keys for the button the gpio bootup state was checking. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/prom.c | 10 ---------- include/asm-mips/mach-rc32434/prom.h | 4 ---- 2 files changed, 14 deletions(-) diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c index 1bc0af8febf4..c5d8868e1b15 100644 --- a/arch/mips/rb532/prom.c +++ b/arch/mips/rb532/prom.c @@ -41,8 +41,6 @@ extern void __init setup_serial_port(void); unsigned int idt_cpu_freq = 132000000; EXPORT_SYMBOL(idt_cpu_freq); -unsigned int gpio_bootup_state; -EXPORT_SYMBOL(gpio_bootup_state); static struct resource ddr_reg[] = { { @@ -108,9 +106,6 @@ void __init prom_setup_cmdline(void) mips_machtype = MACH_MIKROTIK_RB532; } - if (match_tag(prom_argv[i], GPIO_TAG)) - gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG); - strcpy(cp, prom_argv[i]); cp += strlen(prom_argv[i]); } @@ -122,11 +117,6 @@ void __init prom_setup_cmdline(void) strcpy(cp, arcs_cmdline); cp += strlen(arcs_cmdline); } - if (gpio_bootup_state & 0x02) - strcpy(cp, GPIO_INIT_NOBUTTON); - else - strcpy(cp, GPIO_INIT_BUTTON); - cmd_line[CL_SIZE-1] = '\0'; strcpy(arcs_cmdline, cmd_line); diff --git a/include/asm-mips/mach-rc32434/prom.h b/include/asm-mips/mach-rc32434/prom.h index 1d66ddcda89a..660707f1bcce 100644 --- a/include/asm-mips/mach-rc32434/prom.h +++ b/include/asm-mips/mach-rc32434/prom.h @@ -28,14 +28,10 @@ #define PROM_ENTRY(x) (0xbfc00000 + ((x) * 8)) -#define GPIO_INIT_NOBUTTON "" -#define GPIO_INIT_BUTTON " 2" - #define SR_NMI 0x00180000 #define SERIAL_SPEED_ENTRY 0x00000001 #define FREQ_TAG "HZ=" -#define GPIO_TAG "gpio=" #define KMAC_TAG "kmac=" #define MEM_TAG "mem=" #define BOARD_TAG "board=" -- GitLab From c76befc3429354909d3242d11b8d3bcb3bea4b03 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 22 Aug 2008 17:02:03 +0200 Subject: [PATCH 3682/6244] MIPS: RB532: replace raw volatile read with a readl This patch replaces a raw read using volatiles with a readl. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index 11d7127655e3..b028779fedda 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -70,7 +70,7 @@ void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val) spin_lock_irqsave(&dev3.lock, flags); - data = *(volatile unsigned *) (IDT434_REG_BASE + reg_offs); + data = readl(IDT434_REG_BASE + reg_offs); for (i = 0; i != len; ++i) { if (val & (1 << i)) data |= (1 << (i + bit)); -- GitLab From b6e2f58a503b56e154f90dc516647c93c5fe873d Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 22 Aug 2008 17:03:03 +0200 Subject: [PATCH 3683/6244] MIPS: RB532: Fix id usage in platform devices When there is only platform device of the same type, id = -1 should be used, fix this. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/devices.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 7090dc97606f..31619c601b11 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -84,7 +84,7 @@ static struct korina_device korina_dev0_data = { }; static struct platform_device korina_dev0 = { - .id = 0, + .id = -1, .name = "korina", .dev.platform_data = &korina_dev0_data, .resource = korina_dev0_res, @@ -108,7 +108,7 @@ static struct cf_device cf_slot0_data = { }; static struct platform_device cf_slot0 = { - .id = 0, + .id = -1, .name = "pata-rb532-cf", .dev.platform_data = &cf_slot0_data, .resource = cf_slot0_res, @@ -173,7 +173,7 @@ static struct mtd_partition rb532_partition_info[] = { static struct platform_device rb532_led = { .name = "rb532-led", - .id = 0, + .id = -1, }; static struct gpio_keys_button rb532_gpio_btn[] = { -- GitLab From deeb45ac4a32c8271b022ecba73913bc1112e8e6 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 23 Aug 2008 18:53:24 +0200 Subject: [PATCH 3684/6244] MIPS: RB532: Remove obsolute reference to setup_serial_port We are no longer using setup_serial_port. So just remove it from the prom code. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/prom.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c index c5d8868e1b15..46ca24dbcc2d 100644 --- a/arch/mips/rb532/prom.c +++ b/arch/mips/rb532/prom.c @@ -37,8 +37,6 @@ #include #include -extern void __init setup_serial_port(void); - unsigned int idt_cpu_freq = 132000000; EXPORT_SYMBOL(idt_cpu_freq); -- GitLab From 606a083b1e1a357cb66454e4581b80f1a67d8368 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 23 Aug 2008 18:53:50 +0200 Subject: [PATCH 3685/6244] MIPS: RB532: Cleanup the headers again This patch cleans up headers and regroups informations to where they should reside. While moving, try to have a consistant naming for defines. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/rb532/irq.c | 2 +- arch/mips/rb532/serial.c | 6 ++--- arch/mips/rb532/setup.c | 4 ++-- include/asm-mips/mach-rc32434/irq.h | 20 +++++++++++++++++ include/asm-mips/mach-rc32434/rb.h | 2 ++ include/asm-mips/mach-rc32434/rc32434.h | 30 ------------------------- 6 files changed, 28 insertions(+), 36 deletions(-) diff --git a/arch/mips/rb532/irq.c b/arch/mips/rb532/irq.c index c0d0f950caf2..549b46d2fcee 100644 --- a/arch/mips/rb532/irq.c +++ b/arch/mips/rb532/irq.c @@ -45,7 +45,7 @@ #include #include -#include +#include struct intr_group { u32 mask; /* mask of valid bits in pending/mask registers */ diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c index 1a05b5ddee09..3e0d7ec3a579 100644 --- a/arch/mips/rb532/serial.c +++ b/arch/mips/rb532/serial.c @@ -31,16 +31,16 @@ #include #include -#include +#include extern unsigned int idt_cpu_freq; static struct uart_port rb532_uart = { .type = PORT_16550A, .line = 0, - .irq = RC32434_UART0_IRQ, + .irq = UART0_IRQ, .iotype = UPIO_MEM, - .membase = (char *)KSEG1ADDR(RC32434_UART0_BASE), + .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE), .regshift = 2 }; diff --git a/arch/mips/rb532/setup.c b/arch/mips/rb532/setup.c index 7aafa95ac20b..50f530f5b602 100644 --- a/arch/mips/rb532/setup.c +++ b/arch/mips/rb532/setup.c @@ -9,7 +9,7 @@ #include #include -#include +#include #include struct pci_reg __iomem *pci_reg; @@ -27,7 +27,7 @@ static struct resource pci0_res[] = { static void rb_machine_restart(char *command) { /* just jump to the reset vector */ - writel(0x80000001, (void *)KSEG1ADDR(RC32434_REG_BASE + RC32434_RST)); + writel(0x80000001, IDT434_REG_BASE + RST); ((void (*)(void)) KSEG1ADDR(0x1FC00000u))(); } diff --git a/include/asm-mips/mach-rc32434/irq.h b/include/asm-mips/mach-rc32434/irq.h index d68318b6b76d..56738d8ec4e2 100644 --- a/include/asm-mips/mach-rc32434/irq.h +++ b/include/asm-mips/mach-rc32434/irq.h @@ -4,6 +4,26 @@ #define NR_IRQS 256 #include +#include + +/* Interrupt Controller */ +#define IC_GROUP0_PEND (REGBASE + 0x38000) +#define IC_GROUP0_MASK (REGBASE + 0x38008) +#define IC_GROUP_OFFSET 0x0C + +#define NUM_INTR_GROUPS 5 + +/* 16550 UARTs */ +#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */ + /* GRP3 IRQ numbers start here */ +#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32) + /* GRP4 IRQ numbers start here */ +#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32) + /* GRP5 IRQ numbers start here */ +#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32) +#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32) + +#define UART0_IRQ (GROUP3_IRQ_BASE + 0) #define ETH0_DMA_RX_IRQ (GROUP1_IRQ_BASE + 0) #define ETH0_DMA_TX_IRQ (GROUP1_IRQ_BASE + 1) diff --git a/include/asm-mips/mach-rc32434/rb.h b/include/asm-mips/mach-rc32434/rb.h index 62ac73c999c4..79e8ef67d0d3 100644 --- a/include/asm-mips/mach-rc32434/rb.h +++ b/include/asm-mips/mach-rc32434/rb.h @@ -19,6 +19,8 @@ #define REGBASE 0x18000000 #define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(REGBASE)) +#define UART0BASE 0x58000 +#define RST (1 << 15) #define DEV0BASE 0x010000 #define DEV0MASK 0x010004 #define DEV0C 0x010008 diff --git a/include/asm-mips/mach-rc32434/rc32434.h b/include/asm-mips/mach-rc32434/rc32434.h index c4a02145104e..9df04b72744a 100644 --- a/include/asm-mips/mach-rc32434/rc32434.h +++ b/include/asm-mips/mach-rc32434/rc32434.h @@ -8,37 +8,7 @@ #include #include -#define RC32434_REG_BASE 0x18000000 -#define RC32434_RST (1 << 15) - #define IDT_CLOCK_MULT 2 -#define MIPS_CPU_TIMER_IRQ 7 - -/* Interrupt Controller */ -#define IC_GROUP0_PEND (RC32434_REG_BASE + 0x38000) -#define IC_GROUP0_MASK (RC32434_REG_BASE + 0x38008) -#define IC_GROUP_OFFSET 0x0C - -#define NUM_INTR_GROUPS 5 - -/* 16550 UARTs */ -#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */ - /* GRP3 IRQ numbers start here */ -#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32) - /* GRP4 IRQ numbers start here */ -#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32) - /* GRP5 IRQ numbers start here */ -#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32) -#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32) - - -#ifdef __MIPSEB__ -#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58003) -#else -#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58000) -#endif - -#define RC32434_UART0_IRQ (GROUP3_IRQ_BASE + 0) /* cpu pipeline flush */ static inline void rc32434_sync(void) -- GitLab From 09b7dcf220a37245b16fd4a716923d75bf6edf8b Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 23 Aug 2008 18:54:04 +0200 Subject: [PATCH 3686/6244] MIPS: RB532: Remove unused rc32434_sync_delay and rc32434_sync_udelay This patch removes these two unused functions : rc32434_sync_delay and rc32434_sync_udelay Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- include/asm-mips/mach-rc32434/rc32434.h | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/include/asm-mips/mach-rc32434/rc32434.h b/include/asm-mips/mach-rc32434/rc32434.h index 9df04b72744a..fce25d4231fc 100644 --- a/include/asm-mips/mach-rc32434/rc32434.h +++ b/include/asm-mips/mach-rc32434/rc32434.h @@ -16,16 +16,4 @@ static inline void rc32434_sync(void) __asm__ volatile ("sync"); } -static inline void rc32434_sync_udelay(int us) -{ - __asm__ volatile ("sync"); - udelay(us); -} - -static inline void rc32434_sync_delay(int ms) -{ - __asm__ volatile ("sync"); - mdelay(ms); -} - #endif /* _ASM_RC32434_RC32434_H_ */ -- GitLab From d888e25b8dd1b501ac75b0c6587c043a394319c3 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 23 Aug 2008 18:54:34 +0200 Subject: [PATCH 3687/6244] MIPS: RB532: Convert to GPIO lib This patch converts the rb532 code to use gpio library and register its gpio chip. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 2 +- arch/mips/rb532/gpio.c | 228 +++++++++++++++++++-------- include/asm-mips/mach-rc32434/gpio.h | 75 ++------- 3 files changed, 176 insertions(+), 129 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1e06d233fa83..00a23a118492 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -568,7 +568,7 @@ config MIKROTIK_RB532 select SYS_SUPPORTS_LITTLE_ENDIAN select SWAP_IO_SPACE select BOOT_RAW - select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB help Support the Mikrotik(tm) RouterBoard 532 series, based on the IDT RC32434 SoC. diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index b028779fedda..76a7fd96d564 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -27,20 +27,23 @@ */ #include -#include #include #include -#include #include -#include #include - -#include +#include #include - -struct rb532_gpio_reg __iomem *rb532_gpio_reg0; -EXPORT_SYMBOL(rb532_gpio_reg0); +#include + +struct rb532_gpio_chip { + struct gpio_chip chip; + void __iomem *regbase; + void (*set_int_level)(struct gpio_chip *chip, unsigned offset, int value); + int (*get_int_level)(struct gpio_chip *chip, unsigned offset); + void (*set_int_status)(struct gpio_chip *chip, unsigned offset, int value); + int (*get_int_status)(struct gpio_chip *chip, unsigned offset); +}; struct mpmc_device dev3; @@ -108,108 +111,199 @@ unsigned char get_latch_u5(void) } EXPORT_SYMBOL(get_latch_u5); -int rb532_gpio_get_value(unsigned gpio) +/* + * Return GPIO level */ +static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset) { - return readl(&rb532_gpio_reg0->gpiod) & (1 << gpio); + u32 mask = 1 << offset; + struct rb532_gpio_chip *gpch; + + gpch = container_of(chip, struct rb532_gpio_chip, chip); + return readl(gpch->regbase + GPIOD) & mask; } -EXPORT_SYMBOL(rb532_gpio_get_value); -void rb532_gpio_set_value(unsigned gpio, int value) +/* + * Set output GPIO level + */ +static void rb532_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) { - unsigned tmp; + unsigned long flags; + u32 mask = 1 << offset; + u32 tmp; + struct rb532_gpio_chip *gpch; + void __iomem *gpvr; - tmp = readl(&rb532_gpio_reg0->gpiod) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; + gpch = container_of(chip, struct rb532_gpio_chip, chip); + gpvr = gpch->regbase + GPIOD; - writel(tmp, (void *)&rb532_gpio_reg0->gpiod); + local_irq_save(flags); + tmp = readl(gpvr); + if (value) + tmp |= mask; + else + tmp &= ~mask; + writel(tmp, gpvr); + local_irq_restore(flags); } -EXPORT_SYMBOL(rb532_gpio_set_value); -int rb532_gpio_direction_input(unsigned gpio) +/* + * Set GPIO direction to input + */ +static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - writel(readl(&rb532_gpio_reg0->gpiocfg) & ~(1 << gpio), - (void *)&rb532_gpio_reg0->gpiocfg); + unsigned long flags; + u32 mask = 1 << offset; + u32 value; + struct rb532_gpio_chip *gpch; + void __iomem *gpdr; - return 0; -} -EXPORT_SYMBOL(rb532_gpio_direction_input); + gpch = container_of(chip, struct rb532_gpio_chip, chip); + gpdr = gpch->regbase + GPIOCFG; -int rb532_gpio_direction_output(unsigned gpio, int value) -{ - gpio_set_value(gpio, value); - writel(readl(&rb532_gpio_reg0->gpiocfg) | (1 << gpio), - (void *)&rb532_gpio_reg0->gpiocfg); + local_irq_save(flags); + value = readl(gpdr); + value &= ~mask; + writel(value, gpdr); + local_irq_restore(flags); return 0; } -EXPORT_SYMBOL(rb532_gpio_direction_output); -void rb532_gpio_set_int_level(unsigned gpio, int value) +/* + * Set GPIO direction to output + */ +static int rb532_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) { - unsigned tmp; + unsigned long flags; + u32 mask = 1 << offset; + u32 tmp; + struct rb532_gpio_chip *gpch; + void __iomem *gpdr; + + gpch = container_of(chip, struct rb532_gpio_chip, chip); + writel(mask, gpch->regbase + GPIOD); + gpdr = gpch->regbase + GPIOCFG; + + local_irq_save(flags); + tmp = readl(gpdr); + tmp |= mask; + writel(tmp, gpdr); + local_irq_restore(flags); - tmp = readl(&rb532_gpio_reg0->gpioilevel) & ~(1 << gpio); - if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb532_gpio_reg0->gpioilevel); + return 0; } -EXPORT_SYMBOL(rb532_gpio_set_int_level); -int rb532_gpio_get_int_level(unsigned gpio) +/* + * Set the GPIO interrupt level + */ +static void rb532_gpio_set_int_level(struct gpio_chip *chip, + unsigned offset, int value) { - return readl(&rb532_gpio_reg0->gpioilevel) & (1 << gpio); -} -EXPORT_SYMBOL(rb532_gpio_get_int_level); + unsigned long flags; + u32 mask = 1 << offset; + u32 tmp; + struct rb532_gpio_chip *gpch; + void __iomem *gpil; -void rb532_gpio_set_int_status(unsigned gpio, int value) -{ - unsigned tmp; + gpch = container_of(chip, struct rb532_gpio_chip, chip); + gpil = gpch->regbase + GPIOILEVEL; - tmp = readl(&rb532_gpio_reg0->gpioistat); + local_irq_save(flags); + tmp = readl(gpil); if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb532_gpio_reg0->gpioistat); + tmp |= mask; + else + tmp &= ~mask; + writel(tmp, gpil); + local_irq_restore(flags); } -EXPORT_SYMBOL(rb532_gpio_set_int_status); -int rb532_gpio_get_int_status(unsigned gpio) +/* + * Get the GPIO interrupt level + */ +static int rb532_gpio_get_int_level(struct gpio_chip *chip, unsigned offset) { - return readl(&rb532_gpio_reg0->gpioistat) & (1 << gpio); + u32 mask = 1 << offset; + struct rb532_gpio_chip *gpch; + + gpch = container_of(chip, struct rb532_gpio_chip, chip); + return readl(gpch->regbase + GPIOILEVEL) & mask; } -EXPORT_SYMBOL(rb532_gpio_get_int_status); -void rb532_gpio_set_func(unsigned gpio, int value) +/* + * Set the GPIO interrupt status + */ +static void rb532_gpio_set_int_status(struct gpio_chip *chip, + unsigned offset, int value) { - unsigned tmp; + unsigned long flags; + u32 mask = 1 << offset; + u32 tmp; + struct rb532_gpio_chip *gpch; + void __iomem *gpis; + + gpch = container_of(chip, struct rb532_gpio_chip, chip); + gpis = gpch->regbase + GPIOISTAT; - tmp = readl(&rb532_gpio_reg0->gpiofunc); + local_irq_save(flags); + tmp = readl(gpis); if (value) - tmp |= 1 << gpio; - writel(tmp, (void *)&rb532_gpio_reg0->gpiofunc); + tmp |= mask; + else + tmp &= ~mask; + writel(tmp, gpis); + local_irq_restore(flags); } -EXPORT_SYMBOL(rb532_gpio_set_func); -int rb532_gpio_get_func(unsigned gpio) +/* + * Get the GPIO interrupt status + */ +static int rb532_gpio_get_int_status(struct gpio_chip *chip, unsigned offset) { - return readl(&rb532_gpio_reg0->gpiofunc) & (1 << gpio); + u32 mask = 1 << offset; + struct rb532_gpio_chip *gpch; + + gpch = container_of(chip, struct rb532_gpio_chip, chip); + return readl(gpch->regbase + GPIOISTAT) & mask; } -EXPORT_SYMBOL(rb532_gpio_get_func); + +static struct rb532_gpio_chip rb532_gpio_chip[] = { + [0] = { + .chip = { + .label = "gpio0", + .direction_input = rb532_gpio_direction_input, + .direction_output = rb532_gpio_direction_output, + .get = rb532_gpio_get, + .set = rb532_gpio_set, + .base = 0, + .ngpio = 32, + }, + .get_int_level = rb532_gpio_get_int_level, + .set_int_level = rb532_gpio_set_int_level, + .get_int_status = rb532_gpio_get_int_status, + .set_int_status = rb532_gpio_set_int_status, + }, +}; int __init rb532_gpio_init(void) { - rb532_gpio_reg0 = ioremap_nocache(rb532_gpio_reg0_res[0].start, - rb532_gpio_reg0_res[0].end - - rb532_gpio_reg0_res[0].start); + struct resource *r; - if (!rb532_gpio_reg0) { + r = rb532_gpio_reg0_res; + rb532_gpio_chip->regbase = ioremap_nocache(r->start, r->end - r->start); + + if (!rb532_gpio_chip->regbase) { printk(KERN_ERR "rb532: cannot remap GPIO register 0\n"); return -ENXIO; } - dev3.base = ioremap_nocache(rb532_dev3_ctl_res[0].start, - rb532_dev3_ctl_res[0].end - - rb532_dev3_ctl_res[0].start); + /* Register our GPIO chip */ + gpiochip_add(&rb532_gpio_chip->chip); + + r = rb532_dev3_ctl_res; + dev3.base = ioremap_nocache(r->start, r->end - r->start); if (!dev3.base) { printk(KERN_ERR "rb532: cannot remap device controller 3\n"); diff --git a/include/asm-mips/mach-rc32434/gpio.h b/include/asm-mips/mach-rc32434/gpio.h index 4fe18dbacaf7..3a70b41cd7a5 100644 --- a/include/asm-mips/mach-rc32434/gpio.h +++ b/include/asm-mips/mach-rc32434/gpio.h @@ -15,6 +15,16 @@ #include +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +#define gpio_to_irq(gpio) IRQ_GPIO(gpio) +#define irq_to_gpio(irq) IRQ_TO_GPIO(irq) + +#include + struct rb532_gpio_reg { u32 gpiofunc; /* GPIO Function Register * gpiofunc[x]==0 bit = gpio @@ -62,74 +72,17 @@ struct rb532_gpio_reg { #define RC32434_PCI_MSU_GPIO (1 << 13) /* NAND GPIO signals */ -#define GPIO_RDY (1 << 0x08) -#define GPIO_WPX (1 << 0x09) -#define GPIO_ALE (1 << 0x0a) -#define GPIO_CLE (1 << 0x0b) +#define GPIO_RDY 8 +#define GPIO_WPX 9 +#define GPIO_ALE 10 +#define GPIO_CLE 11 /* Compact Flash GPIO pin */ #define CF_GPIO_NUM 13 - extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val); extern unsigned get_434_reg(unsigned reg_offs); extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask); extern unsigned char get_latch_u5(void); -extern int rb532_gpio_get_value(unsigned gpio); -extern void rb532_gpio_set_value(unsigned gpio, int value); -extern int rb532_gpio_direction_input(unsigned gpio); -extern int rb532_gpio_direction_output(unsigned gpio, int value); -extern void rb532_gpio_set_int_level(unsigned gpio, int value); -extern int rb532_gpio_get_int_level(unsigned gpio); -extern void rb532_gpio_set_int_status(unsigned gpio, int value); -extern int rb532_gpio_get_int_status(unsigned gpio); - - -/* Wrappers for the arch-neutral GPIO API */ - -static inline int gpio_request(unsigned gpio, const char *label) -{ - /* Not yet implemented */ - return 0; -} - -static inline void gpio_free(unsigned gpio) -{ - /* Not yet implemented */ -} - -static inline int gpio_direction_input(unsigned gpio) -{ - return rb532_gpio_direction_input(gpio); -} - -static inline int gpio_direction_output(unsigned gpio, int value) -{ - return rb532_gpio_direction_output(gpio, value); -} - -static inline int gpio_get_value(unsigned gpio) -{ - return rb532_gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - rb532_gpio_set_value(gpio, value); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return gpio; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return irq; -} - -/* For cansleep */ -#include - #endif /* _RC32434_GPIO_H_ */ -- GitLab From 9bed90c6a46f10c2d3052c0585057a5cb7392b92 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sat, 23 Aug 2008 18:54:37 +0200 Subject: [PATCH 3688/6244] Documentation: Document the RB532 specific kmac tag The Routerboard 532 bootloader passes the korina ethernet MAC adapter address to the kernel on the command line. Document this in the kernel-parameters file. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- Documentation/kernel-parameters.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 329dcabe4c5e..d0fff6302f68 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1014,6 +1014,10 @@ and is between 256 and 4096 characters. It is defined in the file (only serial suported for now) Format: [,baud] + kmac= [MIPS] korina ethernet MAC address. + Configure the RouterBoard 532 series on-chip + Ethernet adapter MAC address. + l2cr= [PPC] l3cr= [PPC] -- GitLab From f6d9831bb11eb465f95fb1736b866d405d9c7cbf Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:36 +0900 Subject: [PATCH 3689/6244] MIPS: TXx9: stop_unused_modules TXx9 SoCs have pin multiplex. Stop some controller modules which can not be used due to pin configurations. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup_tx4927.c | 31 +++++++++++++++ arch/mips/txx9/generic/setup_tx4938.c | 56 +++++++++++++++++++++++++++ 2 files changed, 87 insertions(+) diff --git a/arch/mips/txx9/generic/setup_tx4927.c b/arch/mips/txx9/generic/setup_tx4927.c index c4248cbbd84a..914e93c62639 100644 --- a/arch/mips/txx9/generic/setup_tx4927.c +++ b/arch/mips/txx9/generic/setup_tx4927.c @@ -252,3 +252,34 @@ void __init tx4927_mtd_init(int ch) return; /* disabled */ txx9_physmap_flash_init(ch, start, size, &pdata); } + +static void __init tx4927_stop_unused_modules(void) +{ + __u64 pcfg, rst = 0, ckd = 0; + char buf[128]; + + buf[0] = '\0'; + local_irq_disable(); + pcfg = ____raw_readq(&tx4927_ccfgptr->pcfg); + if (!(pcfg & TX4927_PCFG_SEL2)) { + rst |= TX4927_CLKCTR_ACLRST; + ckd |= TX4927_CLKCTR_ACLCKD; + strcat(buf, " ACLC"); + } + if (rst | ckd) { + txx9_set64(&tx4927_ccfgptr->clkctr, rst); + txx9_set64(&tx4927_ccfgptr->clkctr, ckd); + } + local_irq_enable(); + if (buf[0]) + pr_info("%s: stop%s\n", txx9_pcode_str, buf); +} + +static int __init tx4927_late_init(void) +{ + if (txx9_pcode != 0x4927) + return -ENODEV; + tx4927_stop_unused_modules(); + return 0; +} +late_initcall(tx4927_late_init); diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c index 0d8517ad3ad0..af724e53ef91 100644 --- a/arch/mips/txx9/generic/setup_tx4938.c +++ b/arch/mips/txx9/generic/setup_tx4938.c @@ -334,3 +334,59 @@ void __init tx4938_mtd_init(int ch) return; /* disabled */ txx9_physmap_flash_init(ch, start, size, &pdata); } + +static void __init tx4938_stop_unused_modules(void) +{ + __u64 pcfg, rst = 0, ckd = 0; + char buf[128]; + + buf[0] = '\0'; + local_irq_disable(); + pcfg = ____raw_readq(&tx4938_ccfgptr->pcfg); + switch (txx9_pcode) { + case 0x4937: + if (!(pcfg & TX4938_PCFG_SEL2)) { + rst |= TX4938_CLKCTR_ACLRST; + ckd |= TX4938_CLKCTR_ACLCKD; + strcat(buf, " ACLC"); + } + break; + case 0x4938: + if (!(pcfg & TX4938_PCFG_SEL2) || + (pcfg & TX4938_PCFG_ETH0_SEL)) { + rst |= TX4938_CLKCTR_ACLRST; + ckd |= TX4938_CLKCTR_ACLCKD; + strcat(buf, " ACLC"); + } + if ((pcfg & + (TX4938_PCFG_ATA_SEL | TX4938_PCFG_ISA_SEL | + TX4938_PCFG_NDF_SEL)) + != TX4938_PCFG_NDF_SEL) { + rst |= TX4938_CLKCTR_NDFRST; + ckd |= TX4938_CLKCTR_NDFCKD; + strcat(buf, " NDFMC"); + } + if (!(pcfg & TX4938_PCFG_SPI_SEL)) { + rst |= TX4938_CLKCTR_SPIRST; + ckd |= TX4938_CLKCTR_SPICKD; + strcat(buf, " SPI"); + } + break; + } + if (rst | ckd) { + txx9_set64(&tx4938_ccfgptr->clkctr, rst); + txx9_set64(&tx4938_ccfgptr->clkctr, ckd); + } + local_irq_enable(); + if (buf[0]) + pr_info("%s: stop%s\n", txx9_pcode_str, buf); +} + +static int __init tx4938_late_init(void) +{ + if (txx9_pcode != 0x4937 && txx9_pcode != 0x4938) + return -ENODEV; + tx4938_stop_unused_modules(); + return 0; +} +late_initcall(tx4938_late_init); -- GitLab From 21e77df215e58523a755b5dd006cb17610616f20 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:37 +0900 Subject: [PATCH 3690/6244] MIPS: TXx9: Microoptimize interrupt handlers The IOC interrupt status register on RBTX49XX only have 8 bits. Use 8-bit version of __fls() to optimize interrupt handlers. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/rbtx4927/irq.c | 6 +++--- arch/mips/txx9/rbtx4938/irq.c | 8 ++++---- include/asm-mips/txx9/generic.h | 18 ++++++++++++++++++ 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c index 22076e3f03a8..9c14ebb26cb4 100644 --- a/arch/mips/txx9/rbtx4927/irq.c +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -133,9 +133,9 @@ static int toshiba_rbtx4927_irq_nested(int sw_irq) u8 level3; level3 = readb(rbtx4927_imstat_addr) & 0x1f; - if (level3) - sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1; - return sw_irq; + if (unlikely(!level3)) + return -1; + return RBTX4927_IRQ_IOC + __fls8(level3); } static void __init toshiba_rbtx4927_irq_ioc_init(void) diff --git a/arch/mips/txx9/rbtx4938/irq.c b/arch/mips/txx9/rbtx4938/irq.c index ca2f8306ce93..7d21befb8932 100644 --- a/arch/mips/txx9/rbtx4938/irq.c +++ b/arch/mips/txx9/rbtx4938/irq.c @@ -85,10 +85,10 @@ static int toshiba_rbtx4938_irq_nested(int sw_irq) u8 level3; level3 = readb(rbtx4938_imstat_addr); - if (level3) - /* must use fls so onboard ATA has priority */ - sw_irq = RBTX4938_IRQ_IOC + fls(level3) - 1; - return sw_irq; + if (unlikely(!level3)) + return -1; + /* must use fls so onboard ATA has priority */ + return RBTX4938_IRQ_IOC + __fls8(level3); } static void __init diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index 1e1a9f2d2379..dc85515eac13 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -64,4 +64,22 @@ struct physmap_flash_data; void txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, const struct physmap_flash_data *pdata); +/* 8 bit version of __fls(): find first bit set (returns 0..7) */ +static inline unsigned int __fls8(unsigned char x) +{ + int r = 7; + + if (!(x & 0xf0)) { + r -= 4; + x <<= 4; + } + if (!(x & 0xc0)) { + r -= 2; + x <<= 2; + } + if (!(x & 0x80)) + r -= 1; + return r; +} + #endif /* __ASM_TXX9_GENERIC_H */ -- GitLab From ae027ead87b13cff99b4f48da7696aa4fe75393b Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:38 +0900 Subject: [PATCH 3691/6244] MIPS: TXx9: IOC LED support Add leds-gpio platform device for controlling LEDs connected to IOC on RBTX49XX and JMR3927 board. Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 111 +++++++++++++++++++++++++++++++ arch/mips/txx9/jmr3927/setup.c | 5 ++ arch/mips/txx9/rbtx4927/setup.c | 1 + arch/mips/txx9/rbtx4938/setup.c | 1 + include/asm-mips/txx9/generic.h | 4 ++ include/asm-mips/txx9/rbtx4927.h | 1 + 6 files changed, 123 insertions(+) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 118d716f7832..1ea06553a1e1 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -649,3 +650,113 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr, platform_device_put(pdev); #endif } + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static DEFINE_SPINLOCK(txx9_iocled_lock); + +#define TXX9_IOCLED_MAXLEDS 8 + +struct txx9_iocled_data { + struct gpio_chip chip; + u8 cur_val; + void __iomem *mmioaddr; + struct gpio_led_platform_data pdata; + struct gpio_led leds[TXX9_IOCLED_MAXLEDS]; + char names[TXX9_IOCLED_MAXLEDS][32]; +}; + +static int txx9_iocled_get(struct gpio_chip *chip, unsigned int offset) +{ + struct txx9_iocled_data *data = + container_of(chip, struct txx9_iocled_data, chip); + return data->cur_val & (1 << offset); +} + +static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset, + int value) +{ + struct txx9_iocled_data *data = + container_of(chip, struct txx9_iocled_data, chip); + unsigned long flags; + spin_lock_irqsave(&txx9_iocled_lock, flags); + if (value) + data->cur_val |= 1 << offset; + else + data->cur_val &= ~(1 << offset); + writeb(data->cur_val, data->mmioaddr); + mmiowb(); + spin_unlock_irqrestore(&txx9_iocled_lock, flags); +} + +static int txx9_iocled_dir_in(struct gpio_chip *chip, unsigned int offset) +{ + return 0; +} + +static int txx9_iocled_dir_out(struct gpio_chip *chip, unsigned int offset, + int value) +{ + txx9_iocled_set(chip, offset, value); + return 0; +} + +void __init txx9_iocled_init(unsigned long baseaddr, + int basenum, unsigned int num, int lowactive, + const char *color, char **deftriggers) +{ + struct txx9_iocled_data *iocled; + struct platform_device *pdev; + int i; + static char *default_triggers[] __initdata = { + "heartbeat", + "ide-disk", + "nand-disk", + NULL, + }; + + if (!deftriggers) + deftriggers = default_triggers; + iocled = kzalloc(sizeof(*iocled), GFP_KERNEL); + if (!iocled) + return; + iocled->mmioaddr = ioremap(baseaddr, 1); + if (!iocled->mmioaddr) + return; + iocled->chip.get = txx9_iocled_get; + iocled->chip.set = txx9_iocled_set; + iocled->chip.direction_input = txx9_iocled_dir_in; + iocled->chip.direction_output = txx9_iocled_dir_out; + iocled->chip.label = "iocled"; + iocled->chip.base = basenum; + iocled->chip.ngpio = num; + if (gpiochip_add(&iocled->chip)) + return; + if (basenum < 0) + basenum = iocled->chip.base; + + pdev = platform_device_alloc("leds-gpio", basenum); + if (!pdev) + return; + iocled->pdata.num_leds = num; + iocled->pdata.leds = iocled->leds; + for (i = 0; i < num; i++) { + struct gpio_led *led = &iocled->leds[i]; + snprintf(iocled->names[i], sizeof(iocled->names[i]), + "iocled:%s:%u", color, i); + led->name = iocled->names[i]; + led->gpio = basenum + i; + led->active_low = lowactive; + if (deftriggers && *deftriggers) + led->default_trigger = *deftriggers++; + } + pdev->dev.platform_data = &iocled->pdata; + if (platform_device_add(pdev)) + platform_device_put(pdev); +} +#else /* CONFIG_LEDS_GPIO */ +void __init txx9_iocled_init(unsigned long baseaddr, + int basenum, unsigned int num, int lowactive, + const char *color, char **deftriggers) +{ +} +#endif /* CONFIG_LEDS_GPIO */ diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c index 0f3843c92cf7..25e50a7be387 100644 --- a/arch/mips/txx9/jmr3927/setup.c +++ b/arch/mips/txx9/jmr3927/setup.c @@ -200,10 +200,15 @@ static void __init jmr3927_mtd_init(void) static void __init jmr3927_device_init(void) { + unsigned long iocled_base = JMR3927_IOC_LED_ADDR - IO_BASE; +#ifdef __LITTLE_ENDIAN + iocled_base |= 1; +#endif __swizzle_addr_b = jmr3927_swizzle_addr_b; jmr3927_rtc_init(); tx3927_wdt_init(); jmr3927_mtd_init(); + txx9_iocled_init(iocled_base, -1, 8, 1, "green", NULL); } struct txx9_board_vec jmr3927_vec __initdata = { diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c index abe32c1a79dc..4a74423b2ba8 100644 --- a/arch/mips/txx9/rbtx4927/setup.c +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -321,6 +321,7 @@ static void __init rbtx4927_device_init(void) rbtx4927_ne_init(); tx4927_wdt_init(); rbtx4927_mtd_init(); + txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, -1, 3, 1, "green", NULL); } struct txx9_board_vec rbtx4927_vec __initdata = { diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c index ec6e81258f73..e077cc4d3a59 100644 --- a/arch/mips/txx9/rbtx4938/setup.c +++ b/arch/mips/txx9/rbtx4938/setup.c @@ -352,6 +352,7 @@ static void __init rbtx4938_device_init(void) rbtx4938_ne_init(); tx4938_wdt_init(); rbtx4938_mtd_init(); + txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL); } struct txx9_board_vec rbtx4938_vec __initdata = { diff --git a/include/asm-mips/txx9/generic.h b/include/asm-mips/txx9/generic.h index dc85515eac13..4316a3e57678 100644 --- a/include/asm-mips/txx9/generic.h +++ b/include/asm-mips/txx9/generic.h @@ -82,4 +82,8 @@ static inline unsigned int __fls8(unsigned char x) return r; } +void txx9_iocled_init(unsigned long baseaddr, + int basenum, unsigned int num, int lowactive, + const char *color, char **deftriggers); + #endif /* __ASM_TXX9_GENERIC_H */ diff --git a/include/asm-mips/txx9/rbtx4927.h b/include/asm-mips/txx9/rbtx4927.h index c6015463432e..b2adab3d1acc 100644 --- a/include/asm-mips/txx9/rbtx4927.h +++ b/include/asm-mips/txx9/rbtx4927.h @@ -34,6 +34,7 @@ #define RBTX4927_PCIIO 0x16000000 #define RBTX4927_PCIIO_SIZE 0x01000000 +#define RBTX4927_LED_ADDR (IO_BASE + TXX9_CE(2) + 0x00001000) #define RBTX4927_IMASK_ADDR (IO_BASE + TXX9_CE(2) + 0x00002000) #define RBTX4927_IMSTAT_ADDR (IO_BASE + TXX9_CE(2) + 0x00002006) #define RBTX4927_SOFTINT_ADDR (IO_BASE + TXX9_CE(2) + 0x00003000) -- GitLab From 0dcdbe6add26719e956299eb519542f7d2f7d0a8 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:39 +0900 Subject: [PATCH 3692/6244] MIPS: TXx9: Add TX4939 SoC support Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle create mode 100644 arch/mips/pci/pci-tx4939.c create mode 100644 arch/mips/txx9/generic/irq_tx4939.c create mode 100644 arch/mips/txx9/generic/setup_tx4939.c create mode 100644 include/asm-mips/txx9/tx4939.h --- arch/mips/pci/Makefile | 1 + arch/mips/pci/pci-tx4939.c | 109 ++++++ arch/mips/txx9/Kconfig | 7 + arch/mips/txx9/generic/Makefile | 1 + arch/mips/txx9/generic/irq_tx4939.c | 215 ++++++++++ arch/mips/txx9/generic/setup_tx4939.c | 460 ++++++++++++++++++++++ include/asm-mips/txx9/tx4939.h | 544 ++++++++++++++++++++++++++ 7 files changed, 1337 insertions(+) create mode 100644 arch/mips/pci/pci-tx4939.c create mode 100644 arch/mips/txx9/generic/irq_tx4939.c create mode 100644 arch/mips/txx9/generic/setup_tx4939.c create mode 100644 include/asm-mips/txx9/tx4939.h diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index c8c32f417b6c..b1886244cedf 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o obj-$(CONFIG_TOSHIBA_JMR3927) += fixup-jmr3927.o obj-$(CONFIG_SOC_TX4927) += pci-tx4927.o obj-$(CONFIG_SOC_TX4938) += pci-tx4938.o +obj-$(CONFIG_SOC_TX4939) += pci-tx4939.o obj-$(CONFIG_TOSHIBA_RBTX4927) += fixup-rbtx4927.o obj-$(CONFIG_TOSHIBA_RBTX4938) += fixup-rbtx4938.o obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o diff --git a/arch/mips/pci/pci-tx4939.c b/arch/mips/pci/pci-tx4939.c new file mode 100644 index 000000000000..5fecf1cdc325 --- /dev/null +++ b/arch/mips/pci/pci-tx4939.c @@ -0,0 +1,109 @@ +/* + * linux/arch/mips/pci/pci-tx4939.c + * + * Based on linux/arch/mips/txx9/rbtx4939/setup.c, + * and RBTX49xx patch from CELF patch archive. + * + * Copyright 2001, 2003-2005 MontaVista Software Inc. + * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) + * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include +#include +#include +#include +#include +#include + +int __init tx4939_report_pciclk(void) +{ + int pciclk = 0; + + pr_info("PCIC --%s PCICLK:", + (__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66) ? + " PCI66" : ""); + if (__raw_readq(&tx4939_ccfgptr->pcfg) & TX4939_PCFG_PCICLKEN_ALL) { + pciclk = txx9_master_clock * 20 / 6; + if (!(__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCI66)) + pciclk /= 2; + printk(KERN_CONT "Internal(%u.%uMHz)", + (pciclk + 50000) / 1000000, + ((pciclk + 50000) / 100000) % 10); + } else { + printk(KERN_CONT "External"); + pciclk = -1; + } + printk(KERN_CONT "\n"); + return pciclk; +} + +void __init tx4939_report_pci1clk(void) +{ + unsigned int pciclk = txx9_master_clock * 20 / 6; + + pr_info("PCIC1 -- PCICLK:%u.%uMHz\n", + (pciclk + 50000) / 1000000, + ((pciclk + 50000) / 100000) % 10); +} + +int __init tx4939_pcic1_map_irq(const struct pci_dev *dev, u8 slot) +{ + if (get_tx4927_pcicptr(dev->bus->sysdata) == tx4939_pcic1ptr) { + switch (slot) { + case TX4927_PCIC_IDSEL_AD_TO_SLOT(31): + if (__raw_readq(&tx4939_ccfgptr->pcfg) & + TX4939_PCFG_ET0MODE) + return TXX9_IRQ_BASE + TX4939_IR_ETH(0); + break; + case TX4927_PCIC_IDSEL_AD_TO_SLOT(30): + if (__raw_readq(&tx4939_ccfgptr->pcfg) & + TX4939_PCFG_ET1MODE) + return TXX9_IRQ_BASE + TX4939_IR_ETH(1); + break; + } + return 0; + } + return -1; +} + +int __init tx4939_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq = tx4939_pcic1_map_irq(dev, slot); + + if (irq >= 0) + return irq; + irq = pin; + /* IRQ rotation */ + irq--; /* 0-3 */ + irq = (irq + 33 - slot) % 4; + irq++; /* 1-4 */ + + switch (irq) { + case 1: + irq = TXX9_IRQ_BASE + TX4939_IR_INTA; + break; + case 2: + irq = TXX9_IRQ_BASE + TX4939_IR_INTB; + break; + case 3: + irq = TXX9_IRQ_BASE + TX4939_IR_INTC; + break; + case 4: + irq = TXX9_IRQ_BASE + TX4939_IR_INTD; + break; + } + return irq; +} + +void __init tx4939_setup_pcierr_irq(void) +{ + if (request_irq(TXX9_IRQ_BASE + TX4939_IR_PCIERR, + tx4927_pcierr_interrupt, + IRQF_DISABLED, "PCI error", + (void *)TX4939_PCIC_REG)) + pr_warning("Failed to request irq for PCIERR\n"); +} diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index aade3348af29..58691a1fe779 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -71,6 +71,13 @@ config SOC_TX4938 select PCI_TX4927 select GPIO_TXX9 +config SOC_TX4939 + bool + select CEVT_TXX9 + select HAS_TXX9_SERIAL + select HW_HAS_PCI + select PCI_TX4927 + config TOSHIBA_FPCIB0 bool "FPCIB0 Backplane Support" depends on PCI && MACH_TXX9 diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index 986852cc774c..0030d23bef5b 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_SOC_TX3927) += setup_tx3927.o irq_tx3927.o obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o +obj-$(CONFIG_SOC_TX4939) += setup_tx4939.o irq_tx4939.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o obj-$(CONFIG_SPI) += spi_eeprom.o diff --git a/arch/mips/txx9/generic/irq_tx4939.c b/arch/mips/txx9/generic/irq_tx4939.c new file mode 100644 index 000000000000..013213a8706b --- /dev/null +++ b/arch/mips/txx9/generic/irq_tx4939.c @@ -0,0 +1,215 @@ +/* + * TX4939 irq routines + * Based on linux/arch/mips/kernel/irq_txx9.c, + * and RBTX49xx patch from CELF patch archive. + * + * Copyright 2001, 2003-2005 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ahennessy@mvista.com + * source@mvista.com + * Copyright (C) 2000-2001,2005-2007 Toshiba Corporation + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +/* + * TX4939 defines 64 IRQs. + * Similer to irq_txx9.c but different register layouts. + */ +#include +#include +#include +#include +#include +#include + +/* IRCER : Int. Control Enable */ +#define TXx9_IRCER_ICE 0x00000001 + +/* IRCR : Int. Control */ +#define TXx9_IRCR_LOW 0x00000000 +#define TXx9_IRCR_HIGH 0x00000001 +#define TXx9_IRCR_DOWN 0x00000002 +#define TXx9_IRCR_UP 0x00000003 +#define TXx9_IRCR_EDGE(cr) ((cr) & 0x00000002) + +/* IRSCR : Int. Status Control */ +#define TXx9_IRSCR_EIClrE 0x00000100 +#define TXx9_IRSCR_EIClr_MASK 0x0000000f + +/* IRCSR : Int. Current Status */ +#define TXx9_IRCSR_IF 0x00010000 + +#define irc_dlevel 0 +#define irc_elevel 1 + +static struct { + unsigned char level; + unsigned char mode; +} tx4939irq[TX4939_NUM_IR] __read_mostly; + +static void tx4939_irq_unmask(unsigned int irq) +{ + unsigned int irq_nr = irq - TXX9_IRQ_BASE; + u32 __iomem *lvlp; + int ofs; + if (irq_nr < 32) { + irq_nr--; + lvlp = &tx4939_ircptr->lvl[(irq_nr % 16) / 2].r; + } else { + irq_nr -= 32; + lvlp = &tx4939_ircptr->lvl[8 + (irq_nr % 16) / 2].r; + } + ofs = (irq_nr & 16) + (irq_nr & 1) * 8; + __raw_writel((__raw_readl(lvlp) & ~(0xff << ofs)) + | (tx4939irq[irq_nr].level << ofs), + lvlp); +} + +static inline void tx4939_irq_mask(unsigned int irq) +{ + unsigned int irq_nr = irq - TXX9_IRQ_BASE; + u32 __iomem *lvlp; + int ofs; + if (irq_nr < 32) { + irq_nr--; + lvlp = &tx4939_ircptr->lvl[(irq_nr % 16) / 2].r; + } else { + irq_nr -= 32; + lvlp = &tx4939_ircptr->lvl[8 + (irq_nr % 16) / 2].r; + } + ofs = (irq_nr & 16) + (irq_nr & 1) * 8; + __raw_writel((__raw_readl(lvlp) & ~(0xff << ofs)) + | (irc_dlevel << ofs), + lvlp); + mmiowb(); +} + +static void tx4939_irq_mask_ack(unsigned int irq) +{ + unsigned int irq_nr = irq - TXX9_IRQ_BASE; + + tx4939_irq_mask(irq); + if (TXx9_IRCR_EDGE(tx4939irq[irq_nr].mode)) { + irq_nr--; + /* clear edge detection */ + __raw_writel((TXx9_IRSCR_EIClrE | (irq_nr & 0xf)) + << (irq_nr & 0x10), + &tx4939_ircptr->edc.r); + } +} + +static int tx4939_irq_set_type(unsigned int irq, unsigned int flow_type) +{ + unsigned int irq_nr = irq - TXX9_IRQ_BASE; + u32 cr; + u32 __iomem *crp; + int ofs; + int mode; + + if (flow_type & IRQF_TRIGGER_PROBE) + return 0; + switch (flow_type & IRQF_TRIGGER_MASK) { + case IRQF_TRIGGER_RISING: + mode = TXx9_IRCR_UP; + break; + case IRQF_TRIGGER_FALLING: + mode = TXx9_IRCR_DOWN; + break; + case IRQF_TRIGGER_HIGH: + mode = TXx9_IRCR_HIGH; + break; + case IRQF_TRIGGER_LOW: + mode = TXx9_IRCR_LOW; + break; + default: + return -EINVAL; + } + if (irq_nr < 32) { + irq_nr--; + crp = &tx4939_ircptr->dm[(irq_nr & 8) >> 3].r; + } else { + irq_nr -= 32; + crp = &tx4939_ircptr->dm2[((irq_nr & 8) >> 3)].r; + } + ofs = (((irq_nr & 16) >> 1) | (irq_nr & (8 - 1))) * 2; + cr = __raw_readl(crp); + cr &= ~(0x3 << ofs); + cr |= (mode & 0x3) << ofs; + __raw_writel(cr, crp); + tx4939irq[irq_nr].mode = mode; + return 0; +} + +static struct irq_chip tx4939_irq_chip = { + .name = "TX4939", + .ack = tx4939_irq_mask_ack, + .mask = tx4939_irq_mask, + .mask_ack = tx4939_irq_mask_ack, + .unmask = tx4939_irq_unmask, + .set_type = tx4939_irq_set_type, +}; + +static int tx4939_irq_set_pri(int irc_irq, int new_pri) +{ + int old_pri; + + if ((unsigned int)irc_irq >= TX4939_NUM_IR) + return 0; + old_pri = tx4939irq[irc_irq].level; + tx4939irq[irc_irq].level = new_pri; + return old_pri; +} + +void __init tx4939_irq_init(void) +{ + int i; + + mips_cpu_irq_init(); + /* disable interrupt control */ + __raw_writel(0, &tx4939_ircptr->den.r); + __raw_writel(0, &tx4939_ircptr->maskint.r); + __raw_writel(0, &tx4939_ircptr->maskext.r); + /* irq_base + 0 is not used */ + for (i = 1; i < TX4939_NUM_IR; i++) { + tx4939irq[i].level = 4; /* middle level */ + tx4939irq[i].mode = TXx9_IRCR_LOW; + set_irq_chip_and_handler(TXX9_IRQ_BASE + i, + &tx4939_irq_chip, handle_level_irq); + } + + /* mask all IRC interrupts */ + __raw_writel(0, &tx4939_ircptr->msk.r); + for (i = 0; i < 16; i++) + __raw_writel(0, &tx4939_ircptr->lvl[i].r); + /* setup IRC interrupt mode (Low Active) */ + for (i = 0; i < 2; i++) + __raw_writel(0, &tx4939_ircptr->dm[i].r); + for (i = 0; i < 2; i++) + __raw_writel(0, &tx4939_ircptr->dm2[i].r); + /* enable interrupt control */ + __raw_writel(TXx9_IRCER_ICE, &tx4939_ircptr->den.r); + __raw_writel(irc_elevel, &tx4939_ircptr->msk.r); + + set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4939_IRC_INT, + handle_simple_irq); + + /* raise priority for errors, timers, sio */ + tx4939_irq_set_pri(TX4939_IR_WTOERR, 7); + tx4939_irq_set_pri(TX4939_IR_PCIERR, 7); + tx4939_irq_set_pri(TX4939_IR_PCIPME, 7); + for (i = 0; i < TX4939_NUM_IR_TMR; i++) + tx4939_irq_set_pri(TX4939_IR_TMR(i), 6); + for (i = 0; i < TX4939_NUM_IR_SIO; i++) + tx4939_irq_set_pri(TX4939_IR_SIO(i), 5); +} + +int tx4939_irq(void) +{ + u32 csr = __raw_readl(&tx4939_ircptr->cs.r); + + if (likely(!(csr & TXx9_IRCSR_IF))) + return TXX9_IRQ_BASE + (csr & (TX4939_NUM_IR - 1)); + return -1; +} diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c new file mode 100644 index 000000000000..f14a497077da --- /dev/null +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -0,0 +1,460 @@ +/* + * TX4939 setup routines + * Based on linux/arch/mips/txx9/generic/setup_tx4938.c, + * and RBTX49xx patch from CELF patch archive. + * + * 2003-2005 (c) MontaVista Software, Inc. + * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void __init tx4939_wdr_init(void) +{ + /* report watchdog reset status */ + if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDRST) + pr_warning("Watchdog reset detected at 0x%lx\n", + read_c0_errorepc()); + /* clear WatchDogReset (W1C) */ + tx4939_ccfg_set(TX4939_CCFG_WDRST); + /* do reset on watchdog */ + tx4939_ccfg_set(TX4939_CCFG_WR); +} + +void __init tx4939_wdt_init(void) +{ + txx9_wdt_init(TX4939_TMR_REG(2) & 0xfffffffffULL); +} + +static void tx4939_machine_restart(char *command) +{ + local_irq_disable(); + pr_emerg("Rebooting (with %s watchdog reset)...\n", + (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDREXEN) ? + "external" : "internal"); + /* clear watchdog status */ + tx4939_ccfg_set(TX4939_CCFG_WDRST); /* W1C */ + txx9_wdt_now(TX4939_TMR_REG(2) & 0xfffffffffULL); + while (!(____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDRST)) + ; + mdelay(10); + if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_WDREXEN) { + pr_emerg("Rebooting (with internal watchdog reset)...\n"); + /* External WDRST failed. Do internal watchdog reset */ + tx4939_ccfg_clear(TX4939_CCFG_WDREXEN); + } + /* fallback */ + (*_machine_halt)(); +} + +void show_registers(struct pt_regs *regs); +static int tx4939_be_handler(struct pt_regs *regs, int is_fixup) +{ + int data = regs->cp0_cause & 4; + console_verbose(); + pr_err("%cBE exception at %#lx\n", + data ? 'D' : 'I', regs->cp0_epc); + pr_err("ccfg:%llx, toea:%llx\n", + (unsigned long long)____raw_readq(&tx4939_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4939_ccfgptr->toea)); +#ifdef CONFIG_PCI + tx4927_report_pcic_status(); +#endif + show_registers(regs); + panic("BusError!"); +} +static void __init tx4939_be_init(void) +{ + board_be_handler = tx4939_be_handler; +} + +static struct resource tx4939_sdram_resource[4]; +static struct resource tx4939_sram_resource; +#define TX4939_SRAM_SIZE 0x800 + +void __init tx4939_add_memory_regions(void) +{ + int i; + unsigned long start, size; + u64 win; + + for (i = 0; i < 4; i++) { + if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i))) + continue; + win = ____raw_readq(&tx4939_ddrcptr->win[i]); + start = (unsigned long)(win >> 48); + size = (((unsigned long)(win >> 32) & 0xffff) + 1) - start; + add_memory_region(start << 20, size << 20, BOOT_MEM_RAM); + } +} + +void __init tx4939_setup(void) +{ + int i; + __u32 divmode; + __u64 pcfg; + int cpuclk = 0; + + txx9_reg_res_init(TX4939_REV_PCODE(), TX4939_REG_BASE, + TX4939_REG_SIZE); + set_c0_config(TX49_CONF_CWFON); + + /* SDRAMC,EBUSC are configured by PROM */ + for (i = 0; i < 4; i++) { + if (!(TX4939_EBUSC_CR(i) & 0x8)) + continue; /* disabled */ + txx9_ce_res[i].start = (unsigned long)TX4939_EBUSC_BA(i); + txx9_ce_res[i].end = + txx9_ce_res[i].start + TX4939_EBUSC_SIZE(i) - 1; + request_resource(&iomem_resource, &txx9_ce_res[i]); + } + + /* clocks */ + if (txx9_master_clock) { + /* calculate cpu_clock from master_clock */ + divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & + TX4939_CCFG_MULCLK_MASK; + cpuclk = txx9_master_clock * 20 / 2; + switch (divmode) { + case TX4939_CCFG_MULCLK_8: + cpuclk = cpuclk / 3 * 4 /* / 6 * 8 */; break; + case TX4939_CCFG_MULCLK_9: + cpuclk = cpuclk / 2 * 3 /* / 6 * 9 */; break; + case TX4939_CCFG_MULCLK_10: + cpuclk = cpuclk / 3 * 5 /* / 6 * 10 */; break; + case TX4939_CCFG_MULCLK_11: + cpuclk = cpuclk / 6 * 11; break; + case TX4939_CCFG_MULCLK_12: + cpuclk = cpuclk * 2 /* / 6 * 12 */; break; + case TX4939_CCFG_MULCLK_13: + cpuclk = cpuclk / 6 * 13; break; + case TX4939_CCFG_MULCLK_14: + cpuclk = cpuclk / 3 * 7 /* / 6 * 14 */; break; + case TX4939_CCFG_MULCLK_15: + cpuclk = cpuclk / 2 * 5 /* / 6 * 15 */; break; + } + txx9_cpu_clock = cpuclk; + } else { + if (txx9_cpu_clock == 0) + txx9_cpu_clock = 400000000; /* 400MHz */ + /* calculate master_clock from cpu_clock */ + cpuclk = txx9_cpu_clock; + divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & + TX4939_CCFG_MULCLK_MASK; + switch (divmode) { + case TX4939_CCFG_MULCLK_8: + txx9_master_clock = cpuclk * 6 / 8; break; + case TX4939_CCFG_MULCLK_9: + txx9_master_clock = cpuclk * 6 / 9; break; + case TX4939_CCFG_MULCLK_10: + txx9_master_clock = cpuclk * 6 / 10; break; + case TX4939_CCFG_MULCLK_11: + txx9_master_clock = cpuclk * 6 / 11; break; + case TX4939_CCFG_MULCLK_12: + txx9_master_clock = cpuclk * 6 / 12; break; + case TX4939_CCFG_MULCLK_13: + txx9_master_clock = cpuclk * 6 / 13; break; + case TX4939_CCFG_MULCLK_14: + txx9_master_clock = cpuclk * 6 / 14; break; + case TX4939_CCFG_MULCLK_15: + txx9_master_clock = cpuclk * 6 / 15; break; + } + txx9_master_clock /= 10; /* * 2 / 20 */ + } + /* calculate gbus_clock from cpu_clock */ + divmode = (__u32)____raw_readq(&tx4939_ccfgptr->ccfg) & + TX4939_CCFG_YDIVMODE_MASK; + txx9_gbus_clock = txx9_cpu_clock; + switch (divmode) { + case TX4939_CCFG_YDIVMODE_2: + txx9_gbus_clock /= 2; break; + case TX4939_CCFG_YDIVMODE_3: + txx9_gbus_clock /= 3; break; + case TX4939_CCFG_YDIVMODE_5: + txx9_gbus_clock /= 5; break; + case TX4939_CCFG_YDIVMODE_6: + txx9_gbus_clock /= 6; break; + } + /* change default value to udelay/mdelay take reasonable time */ + loops_per_jiffy = txx9_cpu_clock / HZ / 2; + + /* CCFG */ + tx4939_wdr_init(); + /* clear BusErrorOnWrite flag (W1C) */ + tx4939_ccfg_set(TX4939_CCFG_WDRST | TX4939_CCFG_BEOW); + /* enable Timeout BusError */ + if (txx9_ccfg_toeon) + tx4939_ccfg_set(TX4939_CCFG_TOE); + + /* DMA selection */ + txx9_clear64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_DMASEL_ALL); + + /* Use external clock for external arbiter */ + if (!(____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCIARB)) + txx9_clear64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_PCICLKEN_ALL); + + pr_info("%s -- %dMHz(M%dMHz,G%dMHz) CRIR:%08x CCFG:%llx PCFG:%llx\n", + txx9_pcode_str, + (cpuclk + 500000) / 1000000, + (txx9_master_clock + 500000) / 1000000, + (txx9_gbus_clock + 500000) / 1000000, + (__u32)____raw_readq(&tx4939_ccfgptr->crir), + (unsigned long long)____raw_readq(&tx4939_ccfgptr->ccfg), + (unsigned long long)____raw_readq(&tx4939_ccfgptr->pcfg)); + + pr_info("%s DDRC -- EN:%08x", txx9_pcode_str, + (__u32)____raw_readq(&tx4939_ddrcptr->winen)); + for (i = 0; i < 4; i++) { + __u64 win = ____raw_readq(&tx4939_ddrcptr->win[i]); + if (!((__u32)____raw_readq(&tx4939_ddrcptr->winen) & (1 << i))) + continue; /* disabled */ + printk(KERN_CONT " #%d:%016llx", i, (unsigned long long)win); + tx4939_sdram_resource[i].name = "DDR SDRAM"; + tx4939_sdram_resource[i].start = + (unsigned long)(win >> 48) << 20; + tx4939_sdram_resource[i].end = + ((((unsigned long)(win >> 32) & 0xffff) + 1) << + 20) - 1; + tx4939_sdram_resource[i].flags = IORESOURCE_MEM; + request_resource(&iomem_resource, &tx4939_sdram_resource[i]); + } + printk(KERN_CONT "\n"); + + /* SRAM */ + if (____raw_readq(&tx4939_sramcptr->cr) & 1) { + unsigned int size = TX4939_SRAM_SIZE; + tx4939_sram_resource.name = "SRAM"; + tx4939_sram_resource.start = + (____raw_readq(&tx4939_sramcptr->cr) >> (39-11)) + & ~(size - 1); + tx4939_sram_resource.end = + tx4939_sram_resource.start + TX4939_SRAM_SIZE - 1; + tx4939_sram_resource.flags = IORESOURCE_MEM; + request_resource(&iomem_resource, &tx4939_sram_resource); + } + + /* TMR */ + /* disable all timers */ + for (i = 0; i < TX4939_NR_TMR; i++) + txx9_tmr_init(TX4939_TMR_REG(i) & 0xfffffffffULL); + + /* DMA */ + for (i = 0; i < 2; i++) + ____raw_writeq(TX4938_DMA_MCR_MSTEN, + (void __iomem *)(TX4939_DMA_REG(i) + 0x50)); + + /* set PCIC1 reset (required to prevent hangup on BIST) */ + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1RST); + pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg); + if (pcfg & (TX4939_PCFG_ET0MODE | TX4939_PCFG_ET1MODE)) { + mdelay(1); /* at least 128 cpu clock */ + /* clear PCIC1 reset */ + txx9_clear64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1RST); + } else { + pr_info("%s: stop PCIC1\n", txx9_pcode_str); + /* stop PCIC1 */ + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_PCI1CKD); + } + if (!(pcfg & TX4939_PCFG_ET0MODE)) { + pr_info("%s: stop ETH0\n", txx9_pcode_str); + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH0RST); + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH0CKD); + } + if (!(pcfg & TX4939_PCFG_ET1MODE)) { + pr_info("%s: stop ETH1\n", txx9_pcode_str); + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH1RST); + txx9_set64(&tx4939_ccfgptr->clkctr, TX4939_CLKCTR_ETH1CKD); + } + + _machine_restart = tx4939_machine_restart; + board_be_init = tx4939_be_init; +} + +void __init tx4939_time_init(unsigned int tmrnr) +{ + if (____raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_TINTDIS) + txx9_clockevent_init(TX4939_TMR_REG(tmrnr) & 0xfffffffffULL, + TXX9_IRQ_BASE + TX4939_IR_TMR(tmrnr), + TXX9_IMCLK); +} + +void __init tx4939_sio_init(unsigned int sclk, unsigned int cts_mask) +{ + int i; + unsigned int ch_mask = 0; + __u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); + + cts_mask |= ~1; /* only SIO0 have RTS/CTS */ + if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO0) + cts_mask |= 1 << 0; /* disable SIO0 RTS/CTS by PCFG setting */ + if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO2) + ch_mask |= 1 << 2; /* disable SIO2 by PCFG setting */ + if (pcfg & TX4939_PCFG_SIO3MODE) + ch_mask |= 1 << 3; /* disable SIO3 by PCFG setting */ + for (i = 0; i < 4; i++) { + if ((1 << i) & ch_mask) + continue; + txx9_sio_init(TX4939_SIO_REG(i) & 0xfffffffffULL, + TXX9_IRQ_BASE + TX4939_IR_SIO(i), + i, sclk, (1 << i) & cts_mask); + } +} + +#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) +static int tx4939_get_eth_speed(struct net_device *dev) +{ + struct ethtool_cmd cmd = { ETHTOOL_GSET }; + int speed = 100; /* default 100Mbps */ + int err; + if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) + return speed; + err = dev->ethtool_ops->get_settings(dev, &cmd); + if (err < 0) + return speed; + speed = cmd.speed == SPEED_100 ? 100 : 10; + return speed; +} +static int tx4939_netdev_event(struct notifier_block *this, + unsigned long event, + void *ptr) +{ + struct net_device *dev = ptr; + if (event == NETDEV_CHANGE && netif_carrier_ok(dev)) { + __u64 bit = 0; + if (dev->irq == TXX9_IRQ_BASE + TX4939_IR_ETH(0)) + bit = TX4939_PCFG_SPEED0; + else if (dev->irq == TXX9_IRQ_BASE + TX4939_IR_ETH(1)) + bit = TX4939_PCFG_SPEED1; + if (bit) { + int speed = tx4939_get_eth_speed(dev); + if (speed == 100) + txx9_set64(&tx4939_ccfgptr->pcfg, bit); + else + txx9_clear64(&tx4939_ccfgptr->pcfg, bit); + } + } + return NOTIFY_DONE; +} + +static struct notifier_block tx4939_netdev_notifier = { + .notifier_call = tx4939_netdev_event, + .priority = 1, +}; + +void __init tx4939_ethaddr_init(unsigned char *addr0, unsigned char *addr1) +{ + u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); + + if (addr0 && (pcfg & TX4939_PCFG_ET0MODE)) + txx9_ethaddr_init(TXX9_IRQ_BASE + TX4939_IR_ETH(0), addr0); + if (addr1 && (pcfg & TX4939_PCFG_ET1MODE)) + txx9_ethaddr_init(TXX9_IRQ_BASE + TX4939_IR_ETH(1), addr1); + register_netdevice_notifier(&tx4939_netdev_notifier); +} +#else +void __init tx4939_ethaddr_init(unsigned char *addr0, unsigned char *addr1) +{ +} +#endif + +void __init tx4939_mtd_init(int ch) +{ + struct physmap_flash_data pdata = { + .width = TX4939_EBUSC_WIDTH(ch) / 8, + }; + unsigned long start = txx9_ce_res[ch].start; + unsigned long size = txx9_ce_res[ch].end - start + 1; + + if (!(TX4939_EBUSC_CR(ch) & 0x8)) + return; /* disabled */ + txx9_physmap_flash_init(ch, start, size, &pdata); +} + +static void __init tx4939_stop_unused_modules(void) +{ + __u64 pcfg, rst = 0, ckd = 0; + char buf[128]; + + buf[0] = '\0'; + local_irq_disable(); + pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg); + if ((pcfg & TX4939_PCFG_I2SMODE_MASK) != + TX4939_PCFG_I2SMODE_ACLC) { + rst |= TX4939_CLKCTR_ACLRST; + ckd |= TX4939_CLKCTR_ACLCKD; + strcat(buf, " ACLC"); + } + if ((pcfg & TX4939_PCFG_I2SMODE_MASK) != + TX4939_PCFG_I2SMODE_I2S && + (pcfg & TX4939_PCFG_I2SMODE_MASK) != + TX4939_PCFG_I2SMODE_I2S_ALT) { + rst |= TX4939_CLKCTR_I2SRST; + ckd |= TX4939_CLKCTR_I2SCKD; + strcat(buf, " I2S"); + } + if (!(pcfg & TX4939_PCFG_ATA0MODE)) { + rst |= TX4939_CLKCTR_ATA0RST; + ckd |= TX4939_CLKCTR_ATA0CKD; + strcat(buf, " ATA0"); + } + if (!(pcfg & TX4939_PCFG_ATA1MODE)) { + rst |= TX4939_CLKCTR_ATA1RST; + ckd |= TX4939_CLKCTR_ATA1CKD; + strcat(buf, " ATA1"); + } + if (pcfg & TX4939_PCFG_SPIMODE) { + rst |= TX4939_CLKCTR_SPIRST; + ckd |= TX4939_CLKCTR_SPICKD; + strcat(buf, " SPI"); + } + if (!(pcfg & (TX4939_PCFG_VSSMODE | TX4939_PCFG_VPSMODE))) { + rst |= TX4939_CLKCTR_VPCRST; + ckd |= TX4939_CLKCTR_VPCCKD; + strcat(buf, " VPC"); + } + if ((pcfg & TX4939_PCFG_SIO2MODE_MASK) != TX4939_PCFG_SIO2MODE_SIO2) { + rst |= TX4939_CLKCTR_SIO2RST; + ckd |= TX4939_CLKCTR_SIO2CKD; + strcat(buf, " SIO2"); + } + if (pcfg & TX4939_PCFG_SIO3MODE) { + rst |= TX4939_CLKCTR_SIO3RST; + ckd |= TX4939_CLKCTR_SIO3CKD; + strcat(buf, " SIO3"); + } + if (rst | ckd) { + txx9_set64(&tx4939_ccfgptr->clkctr, rst); + txx9_set64(&tx4939_ccfgptr->clkctr, ckd); + } + local_irq_enable(); + if (buf[0]) + pr_info("%s: stop%s\n", txx9_pcode_str, buf); +} + +static int __init tx4939_late_init(void) +{ + if (txx9_pcode != 0x4939) + return -ENODEV; + tx4939_stop_unused_modules(); + return 0; +} +late_initcall(tx4939_late_init); diff --git a/include/asm-mips/txx9/tx4939.h b/include/asm-mips/txx9/tx4939.h new file mode 100644 index 000000000000..7ce2dff3b7cc --- /dev/null +++ b/include/asm-mips/txx9/tx4939.h @@ -0,0 +1,544 @@ +/* + * Definitions for TX4939 + * + * Copyright (C) 2000-2001,2005-2006 Toshiba Corporation + * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is + * licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_TXX9_TX4939_H +#define __ASM_TXX9_TX4939_H + +/* some controllers are compatible with 4927/4938 */ +#include + +#ifdef CONFIG_64BIT +#define TX4939_REG_BASE 0xffffffffff1f0000UL /* == TX4938_REG_BASE */ +#else +#define TX4939_REG_BASE 0xff1f0000UL /* == TX4938_REG_BASE */ +#endif +#define TX4939_REG_SIZE 0x00010000 /* == TX4938_REG_SIZE */ + +#define TX4939_ATA_REG(ch) (TX4939_REG_BASE + 0x3000 + (ch) * 0x1000) +#define TX4939_NDFMC_REG (TX4939_REG_BASE + 0x5000) +#define TX4939_SRAMC_REG (TX4939_REG_BASE + 0x6000) +#define TX4939_CRYPTO_REG (TX4939_REG_BASE + 0x6800) +#define TX4939_PCIC1_REG (TX4939_REG_BASE + 0x7000) +#define TX4939_DDRC_REG (TX4939_REG_BASE + 0x8000) +#define TX4939_EBUSC_REG (TX4939_REG_BASE + 0x9000) +#define TX4939_VPC_REG (TX4939_REG_BASE + 0xa000) +#define TX4939_DMA_REG(ch) (TX4939_REG_BASE + 0xb000 + (ch) * 0x800) +#define TX4939_PCIC_REG (TX4939_REG_BASE + 0xd000) +#define TX4939_CCFG_REG (TX4939_REG_BASE + 0xe000) +#define TX4939_IRC_REG (TX4939_REG_BASE + 0xe800) +#define TX4939_NR_TMR 6 /* 0xf000,0xf100,0xf200,0xfd00,0xfe00,0xff00 */ +#define TX4939_TMR_REG(ch) \ + (TX4939_REG_BASE + 0xf000 + ((ch) + ((ch) >= 3) * 10) * 0x100) +#define TX4939_NR_SIO 4 /* 0xf300, 0xf400, 0xf380, 0xf480 */ +#define TX4939_SIO_REG(ch) \ + (TX4939_REG_BASE + 0xf300 + (((ch) & 1) << 8) + (((ch) & 2) << 6)) +#define TX4939_ACLC_REG (TX4939_REG_BASE + 0xf700) +#define TX4939_SPI_REG (TX4939_REG_BASE + 0xf800) +#define TX4939_I2C_REG (TX4939_REG_BASE + 0xf900) +#define TX4939_I2S_REG (TX4939_REG_BASE + 0xfa00) +#define TX4939_RTC_REG (TX4939_REG_BASE + 0xfb00) +#define TX4939_CIR_REG (TX4939_REG_BASE + 0xfc00) + +struct tx4939_le_reg { + __u32 r; + __u32 unused; +}; + +struct tx4939_ddrc_reg { + struct tx4939_le_reg ctl[47]; + __u64 unused0[17]; + __u64 winen; + __u64 win[4]; +}; + +struct tx4939_ccfg_reg { + __u64 ccfg; + __u64 crir; + __u64 pcfg; + __u64 toea; + __u64 clkctr; + __u64 unused0; + __u64 garbc; + __u64 unused1[2]; + __u64 ramp; + __u64 unused2[2]; + __u64 dskwctrl; + __u64 mclkosc; + __u64 mclkctl; + __u64 unused3[17]; + struct { + __u64 mr; + __u64 dr; + } gpio[2]; +}; + +struct tx4939_irc_reg { + struct tx4939_le_reg den; + struct tx4939_le_reg scipb; + struct tx4939_le_reg dm[2]; + struct tx4939_le_reg lvl[16]; + struct tx4939_le_reg msk; + struct tx4939_le_reg edc; + struct tx4939_le_reg pnd0; + struct tx4939_le_reg cs; + struct tx4939_le_reg pnd1; + struct tx4939_le_reg dm2[2]; + struct tx4939_le_reg dbr[2]; + struct tx4939_le_reg dben; + struct tx4939_le_reg unused0[2]; + struct tx4939_le_reg flag[2]; + struct tx4939_le_reg pol; + struct tx4939_le_reg cnt; + struct tx4939_le_reg maskint; + struct tx4939_le_reg maskext; +}; + +struct tx4939_rtc_reg { + __u32 ctl; + __u32 adr; + __u32 dat; + __u32 tbc; +}; + +struct tx4939_crypto_reg { + struct tx4939_le_reg csr; + struct tx4939_le_reg idesptr; + struct tx4939_le_reg cdesptr; + struct tx4939_le_reg buserr; + struct tx4939_le_reg cip_tout; + struct tx4939_le_reg cir; + union { + struct { + struct tx4939_le_reg data[8]; + struct tx4939_le_reg ctrl; + } gen; + struct { + struct { + struct tx4939_le_reg l; + struct tx4939_le_reg u; + } key[3], ini; + struct tx4939_le_reg ctrl; + } des; + struct { + struct tx4939_le_reg key[4]; + struct tx4939_le_reg ini[4]; + struct tx4939_le_reg ctrl; + } aes; + struct { + struct { + struct tx4939_le_reg l; + struct tx4939_le_reg u; + } cnt; + struct tx4939_le_reg ini[5]; + struct tx4939_le_reg unused; + struct tx4939_le_reg ctrl; + } hash; + } cdr; + struct tx4939_le_reg unused0[7]; + struct tx4939_le_reg rcsr; + struct tx4939_le_reg rpr; + __u64 rdr; + __u64 ror[3]; + struct tx4939_le_reg unused1[2]; + struct tx4939_le_reg xorslr; + struct tx4939_le_reg xorsur; +}; + +struct tx4939_crypto_desc { + __u32 src; + __u32 dst; + __u32 next; + __u32 ctrl; + __u32 index; + __u32 xor; +}; + +struct tx4939_vpc_reg { + struct tx4939_le_reg csr; + struct { + struct tx4939_le_reg ctrlA; + struct tx4939_le_reg ctrlB; + struct tx4939_le_reg idesptr; + struct tx4939_le_reg cdesptr; + } port[3]; + struct tx4939_le_reg buserr; +}; + +struct tx4939_vpc_desc { + __u32 src; + __u32 next; + __u32 ctrl1; + __u32 ctrl2; +}; + +/* + * IRC + */ +#define TX4939_IR_NONE 0 +#define TX4939_IR_DDR 1 +#define TX4939_IR_WTOERR 2 +#define TX4939_NUM_IR_INT 3 +#define TX4939_IR_INT(n) (3 + (n)) +#define TX4939_NUM_IR_ETH 2 +#define TX4939_IR_ETH(n) ((n) ? 43 : 6) +#define TX4939_IR_VIDEO 7 +#define TX4939_IR_CIR 8 +#define TX4939_NUM_IR_SIO 4 +#define TX4939_IR_SIO(n) ((n) ? 43 + (n) : 9) /* 9,44-46 */ +#define TX4939_NUM_IR_DMA 4 +#define TX4939_IR_DMA(ch, n) (((ch) ? 22 : 10) + (n)) /* 10-13,22-25 */ +#define TX4939_IR_IRC 14 +#define TX4939_IR_PDMAC 15 +#define TX4939_NUM_IR_TMR 6 +#define TX4939_IR_TMR(n) (((n) >= 3 ? 45 : 16) + (n)) /* 16-18,48-50 */ +#define TX4939_NUM_IR_ATA 2 +#define TX4939_IR_ATA(n) (19 + (n)) +#define TX4939_IR_ACLC 21 +#define TX4939_IR_CIPHER 26 +#define TX4939_IR_INTA 27 +#define TX4939_IR_INTB 28 +#define TX4939_IR_INTC 29 +#define TX4939_IR_INTD 30 +#define TX4939_IR_I2C 33 +#define TX4939_IR_SPI 34 +#define TX4939_IR_PCIC 35 +#define TX4939_IR_PCIC1 36 +#define TX4939_IR_PCIERR 37 +#define TX4939_IR_PCIPME 38 +#define TX4939_IR_NDFMC 39 +#define TX4939_IR_ACLCPME 40 +#define TX4939_IR_RTC 41 +#define TX4939_IR_RND 42 +#define TX4939_IR_I2S 47 +#define TX4939_NUM_IR 64 + +#define TX4939_IRC_INT 2 /* IP[2] in Status register */ + +/* + * CCFG + */ +/* CCFG : Chip Configuration */ +#define TX4939_CCFG_PCIBOOT 0x0000040000000000ULL +#define TX4939_CCFG_WDRST 0x0000020000000000ULL +#define TX4939_CCFG_WDREXEN 0x0000010000000000ULL +#define TX4939_CCFG_BCFG_MASK 0x000000ff00000000ULL +#define TX4939_CCFG_GTOT_MASK 0x06000000 +#define TX4939_CCFG_GTOT_4096 0x06000000 +#define TX4939_CCFG_GTOT_2048 0x04000000 +#define TX4939_CCFG_GTOT_1024 0x02000000 +#define TX4939_CCFG_GTOT_512 0x00000000 +#define TX4939_CCFG_TINTDIS 0x01000000 +#define TX4939_CCFG_PCI66 0x00800000 +#define TX4939_CCFG_PCIMODE 0x00400000 +#define TX4939_CCFG_SSCG 0x00100000 +#define TX4939_CCFG_MULCLK_MASK 0x000e0000 +#define TX4939_CCFG_MULCLK_8 (0x7 << 17) +#define TX4939_CCFG_MULCLK_9 (0x0 << 17) +#define TX4939_CCFG_MULCLK_10 (0x1 << 17) +#define TX4939_CCFG_MULCLK_11 (0x2 << 17) +#define TX4939_CCFG_MULCLK_12 (0x3 << 17) +#define TX4939_CCFG_MULCLK_13 (0x4 << 17) +#define TX4939_CCFG_MULCLK_14 (0x5 << 17) +#define TX4939_CCFG_MULCLK_15 (0x6 << 17) +#define TX4939_CCFG_BEOW 0x00010000 +#define TX4939_CCFG_WR 0x00008000 +#define TX4939_CCFG_TOE 0x00004000 +#define TX4939_CCFG_PCIARB 0x00002000 +#define TX4939_CCFG_YDIVMODE_MASK 0x00001c00 +#define TX4939_CCFG_YDIVMODE_2 (0x0 << 10) +#define TX4939_CCFG_YDIVMODE_3 (0x1 << 10) +#define TX4939_CCFG_YDIVMODE_5 (0x6 << 10) +#define TX4939_CCFG_YDIVMODE_6 (0x7 << 10) +#define TX4939_CCFG_PTSEL 0x00000200 +#define TX4939_CCFG_BESEL 0x00000100 +#define TX4939_CCFG_SYSSP_MASK 0x000000c0 +#define TX4939_CCFG_ACKSEL 0x00000020 +#define TX4939_CCFG_ROMW 0x00000010 +#define TX4939_CCFG_ENDIAN 0x00000004 +#define TX4939_CCFG_ARMODE 0x00000002 +#define TX4939_CCFG_ACEHOLD 0x00000001 + +/* PCFG : Pin Configuration */ +#define TX4939_PCFG_SIO2MODE_MASK 0xc000000000000000ULL +#define TX4939_PCFG_SIO2MODE_GPIO 0x8000000000000000ULL +#define TX4939_PCFG_SIO2MODE_SIO2 0x4000000000000000ULL +#define TX4939_PCFG_SIO2MODE_SIO0 0x0000000000000000ULL +#define TX4939_PCFG_SPIMODE 0x2000000000000000ULL +#define TX4939_PCFG_I2CMODE 0x1000000000000000ULL +#define TX4939_PCFG_I2SMODE_MASK 0x0c00000000000000ULL +#define TX4939_PCFG_I2SMODE_GPIO 0x0c00000000000000ULL +#define TX4939_PCFG_I2SMODE_I2S 0x0800000000000000ULL +#define TX4939_PCFG_I2SMODE_I2S_ALT 0x0400000000000000ULL +#define TX4939_PCFG_I2SMODE_ACLC 0x0000000000000000ULL +#define TX4939_PCFG_SIO3MODE 0x0200000000000000ULL +#define TX4939_PCFG_DMASEL3 0x0004000000000000ULL +#define TX4939_PCFG_DMASEL3_SIO0 0x0004000000000000ULL +#define TX4939_PCFG_DMASEL3_NDFC 0x0000000000000000ULL +#define TX4939_PCFG_VSSMODE 0x0000200000000000ULL +#define TX4939_PCFG_VPSMODE 0x0000100000000000ULL +#define TX4939_PCFG_ET1MODE 0x0000080000000000ULL +#define TX4939_PCFG_ET0MODE 0x0000040000000000ULL +#define TX4939_PCFG_ATA1MODE 0x0000020000000000ULL +#define TX4939_PCFG_ATA0MODE 0x0000010000000000ULL +#define TX4939_PCFG_BP_PLL 0x0000000100000000ULL + +#define TX4939_PCFG_SYSCLKEN 0x08000000 +#define TX4939_PCFG_PCICLKEN_ALL 0x000f0000 +#define TX4939_PCFG_PCICLKEN(ch) (0x00010000<<(ch)) +#define TX4939_PCFG_SPEED1 0x00002000 +#define TX4939_PCFG_SPEED0 0x00001000 +#define TX4939_PCFG_ITMODE 0x00000300 +#define TX4939_PCFG_DMASEL_ALL (0x00000007 | TX4939_PCFG_DMASEL3) +#define TX4939_PCFG_DMASEL2 0x00000004 +#define TX4939_PCFG_DMASEL2_DRQ2 0x00000000 +#define TX4939_PCFG_DMASEL2_SIO0 0x00000004 +#define TX4939_PCFG_DMASEL1 0x00000002 +#define TX4939_PCFG_DMASEL1_DRQ1 0x00000000 +#define TX4939_PCFG_DMASEL0 0x00000001 +#define TX4939_PCFG_DMASEL0_DRQ0 0x00000000 + +/* CLKCTR : Clock Control */ +#define TX4939_CLKCTR_IOSCKD 0x8000000000000000ULL +#define TX4939_CLKCTR_SYSCKD 0x4000000000000000ULL +#define TX4939_CLKCTR_TM5CKD 0x2000000000000000ULL +#define TX4939_CLKCTR_TM4CKD 0x1000000000000000ULL +#define TX4939_CLKCTR_TM3CKD 0x0800000000000000ULL +#define TX4939_CLKCTR_CIRCKD 0x0400000000000000ULL +#define TX4939_CLKCTR_SIO3CKD 0x0200000000000000ULL +#define TX4939_CLKCTR_SIO2CKD 0x0100000000000000ULL +#define TX4939_CLKCTR_SIO1CKD 0x0080000000000000ULL +#define TX4939_CLKCTR_VPCCKD 0x0040000000000000ULL +#define TX4939_CLKCTR_EPCICKD 0x0020000000000000ULL +#define TX4939_CLKCTR_ETH1CKD 0x0008000000000000ULL +#define TX4939_CLKCTR_ATA1CKD 0x0004000000000000ULL +#define TX4939_CLKCTR_BROMCKD 0x0002000000000000ULL +#define TX4939_CLKCTR_NDCCKD 0x0001000000000000ULL +#define TX4939_CLKCTR_I2CCKD 0x0000800000000000ULL +#define TX4939_CLKCTR_ETH0CKD 0x0000400000000000ULL +#define TX4939_CLKCTR_SPICKD 0x0000200000000000ULL +#define TX4939_CLKCTR_SRAMCKD 0x0000100000000000ULL +#define TX4939_CLKCTR_PCI1CKD 0x0000080000000000ULL +#define TX4939_CLKCTR_DMA1CKD 0x0000040000000000ULL +#define TX4939_CLKCTR_ACLCKD 0x0000020000000000ULL +#define TX4939_CLKCTR_ATA0CKD 0x0000010000000000ULL +#define TX4939_CLKCTR_DMA0CKD 0x0000008000000000ULL +#define TX4939_CLKCTR_PCICCKD 0x0000004000000000ULL +#define TX4939_CLKCTR_I2SCKD 0x0000002000000000ULL +#define TX4939_CLKCTR_TM0CKD 0x0000001000000000ULL +#define TX4939_CLKCTR_TM1CKD 0x0000000800000000ULL +#define TX4939_CLKCTR_TM2CKD 0x0000000400000000ULL +#define TX4939_CLKCTR_SIO0CKD 0x0000000200000000ULL +#define TX4939_CLKCTR_CYPCKD 0x0000000100000000ULL +#define TX4939_CLKCTR_IOSRST 0x80000000 +#define TX4939_CLKCTR_SYSRST 0x40000000 +#define TX4939_CLKCTR_TM5RST 0x20000000 +#define TX4939_CLKCTR_TM4RST 0x10000000 +#define TX4939_CLKCTR_TM3RST 0x08000000 +#define TX4939_CLKCTR_CIRRST 0x04000000 +#define TX4939_CLKCTR_SIO3RST 0x02000000 +#define TX4939_CLKCTR_SIO2RST 0x01000000 +#define TX4939_CLKCTR_SIO1RST 0x00800000 +#define TX4939_CLKCTR_VPCRST 0x00400000 +#define TX4939_CLKCTR_EPCIRST 0x00200000 +#define TX4939_CLKCTR_ETH1RST 0x00080000 +#define TX4939_CLKCTR_ATA1RST 0x00040000 +#define TX4939_CLKCTR_BROMRST 0x00020000 +#define TX4939_CLKCTR_NDCRST 0x00010000 +#define TX4939_CLKCTR_I2CRST 0x00008000 +#define TX4939_CLKCTR_ETH0RST 0x00004000 +#define TX4939_CLKCTR_SPIRST 0x00002000 +#define TX4939_CLKCTR_SRAMRST 0x00001000 +#define TX4939_CLKCTR_PCI1RST 0x00000800 +#define TX4939_CLKCTR_DMA1RST 0x00000400 +#define TX4939_CLKCTR_ACLRST 0x00000200 +#define TX4939_CLKCTR_ATA0RST 0x00000100 +#define TX4939_CLKCTR_DMA0RST 0x00000080 +#define TX4939_CLKCTR_PCICRST 0x00000040 +#define TX4939_CLKCTR_I2SRST 0x00000020 +#define TX4939_CLKCTR_TM0RST 0x00000010 +#define TX4939_CLKCTR_TM1RST 0x00000008 +#define TX4939_CLKCTR_TM2RST 0x00000004 +#define TX4939_CLKCTR_SIO0RST 0x00000002 +#define TX4939_CLKCTR_CYPRST 0x00000001 + +/* + * RTC + */ +#define TX4939_RTCCTL_ALME 0x00000080 +#define TX4939_RTCCTL_ALMD 0x00000040 +#define TX4939_RTCCTL_BUSY 0x00000020 + +#define TX4939_RTCCTL_COMMAND 0x00000007 +#define TX4939_RTCCTL_COMMAND_NOP 0x00000000 +#define TX4939_RTCCTL_COMMAND_GETTIME 0x00000001 +#define TX4939_RTCCTL_COMMAND_SETTIME 0x00000002 +#define TX4939_RTCCTL_COMMAND_GETALARM 0x00000003 +#define TX4939_RTCCTL_COMMAND_SETALARM 0x00000004 + +#define TX4939_RTCTBC_PM 0x00000080 +#define TX4939_RTCTBC_COMP 0x0000007f + +#define TX4939_RTC_REG_RAMSIZE 0x00000100 +#define TX4939_RTC_REG_RWBSIZE 0x00000006 + +/* + * CRYPTO + */ +#define TX4939_CRYPTO_CSR_SAESO 0x08000000 +#define TX4939_CRYPTO_CSR_SAESI 0x04000000 +#define TX4939_CRYPTO_CSR_SDESO 0x02000000 +#define TX4939_CRYPTO_CSR_SDESI 0x01000000 +#define TX4939_CRYPTO_CSR_INDXBST_MASK 0x00700000 +#define TX4939_CRYPTO_CSR_INDXBST(n) ((n) << 20) +#define TX4939_CRYPTO_CSR_TOINT 0x00080000 +#define TX4939_CRYPTO_CSR_DCINT 0x00040000 +#define TX4939_CRYPTO_CSR_GBINT 0x00010000 +#define TX4939_CRYPTO_CSR_INDXAST_MASK 0x0000e000 +#define TX4939_CRYPTO_CSR_INDXAST(n) ((n) << 13) +#define TX4939_CRYPTO_CSR_CSWAP_MASK 0x00001800 +#define TX4939_CRYPTO_CSR_CSWAP_NONE 0x00000000 +#define TX4939_CRYPTO_CSR_CSWAP_IN 0x00000800 +#define TX4939_CRYPTO_CSR_CSWAP_OUT 0x00001000 +#define TX4939_CRYPTO_CSR_CSWAP_BOTH 0x00001800 +#define TX4939_CRYPTO_CSR_CDIV_MASK 0x00000600 +#define TX4939_CRYPTO_CSR_CDIV_DIV2 0x00000000 +#define TX4939_CRYPTO_CSR_CDIV_DIV1 0x00000200 +#define TX4939_CRYPTO_CSR_CDIV_DIV2ALT 0x00000400 +#define TX4939_CRYPTO_CSR_CDIV_DIV1ALT 0x00000600 +#define TX4939_CRYPTO_CSR_PDINT_MASK 0x000000c0 +#define TX4939_CRYPTO_CSR_PDINT_ALL 0x00000000 +#define TX4939_CRYPTO_CSR_PDINT_END 0x00000040 +#define TX4939_CRYPTO_CSR_PDINT_NEXT 0x00000080 +#define TX4939_CRYPTO_CSR_PDINT_NONE 0x000000c0 +#define TX4939_CRYPTO_CSR_GINTE 0x00000008 +#define TX4939_CRYPTO_CSR_RSTD 0x00000004 +#define TX4939_CRYPTO_CSR_RSTC 0x00000002 +#define TX4939_CRYPTO_CSR_ENCR 0x00000001 + +/* bits for tx4939_crypto_reg.cdr.gen.ctrl */ +#define TX4939_CRYPTO_CTX_ENGINE_MASK 0x00000003 +#define TX4939_CRYPTO_CTX_ENGINE_DES 0x00000000 +#define TX4939_CRYPTO_CTX_ENGINE_AES 0x00000001 +#define TX4939_CRYPTO_CTX_ENGINE_MD5 0x00000002 +#define TX4939_CRYPTO_CTX_ENGINE_SHA1 0x00000003 +#define TX4939_CRYPTO_CTX_TDMS 0x00000010 +#define TX4939_CRYPTO_CTX_CMS 0x00000020 +#define TX4939_CRYPTO_CTX_DMS 0x00000040 +#define TX4939_CRYPTO_CTX_UPDATE 0x00000080 + +/* bits for tx4939_crypto_desc.ctrl */ +#define TX4939_CRYPTO_DESC_OB_CNT_MASK 0xffe00000 +#define TX4939_CRYPTO_DESC_OB_CNT(cnt) ((cnt) << 21) +#define TX4939_CRYPTO_DESC_IB_CNT_MASK 0x001ffc00 +#define TX4939_CRYPTO_DESC_IB_CNT(cnt) ((cnt) << 10) +#define TX4939_CRYPTO_DESC_START 0x00000200 +#define TX4939_CRYPTO_DESC_END 0x00000100 +#define TX4939_CRYPTO_DESC_XOR 0x00000010 +#define TX4939_CRYPTO_DESC_LAST 0x00000008 +#define TX4939_CRYPTO_DESC_ERR_MASK 0x00000006 +#define TX4939_CRYPTO_DESC_ERR_NONE 0x00000000 +#define TX4939_CRYPTO_DESC_ERR_TOUT 0x00000002 +#define TX4939_CRYPTO_DESC_ERR_DIGEST 0x00000004 +#define TX4939_CRYPTO_DESC_OWN 0x00000001 + +/* bits for tx4939_crypto_desc.index */ +#define TX4939_CRYPTO_DESC_HASH_IDX_MASK 0x00000070 +#define TX4939_CRYPTO_DESC_HASH_IDX(idx) ((idx) << 4) +#define TX4939_CRYPTO_DESC_ENCRYPT_IDX_MASK 0x00000007 +#define TX4939_CRYPTO_DESC_ENCRYPT_IDX(idx) ((idx) << 0) + +#define TX4939_CRYPTO_NR_SET 6 + +#define TX4939_CRYPTO_RCSR_INTE 0x00000008 +#define TX4939_CRYPTO_RCSR_RST 0x00000004 +#define TX4939_CRYPTO_RCSR_FIN 0x00000002 +#define TX4939_CRYPTO_RCSR_ST 0x00000001 + +/* + * VPC + */ +#define TX4939_VPC_CSR_GBINT 0x00010000 +#define TX4939_VPC_CSR_SWAPO 0x00000020 +#define TX4939_VPC_CSR_SWAPI 0x00000010 +#define TX4939_VPC_CSR_GINTE 0x00000008 +#define TX4939_VPC_CSR_RSTD 0x00000004 +#define TX4939_VPC_CSR_RSTVPC 0x00000002 + +#define TX4939_VPC_CTRLA_VDPSN 0x00000200 +#define TX4939_VPC_CTRLA_PBUSY 0x00000100 +#define TX4939_VPC_CTRLA_DCINT 0x00000080 +#define TX4939_VPC_CTRLA_UOINT 0x00000040 +#define TX4939_VPC_CTRLA_PDINT_MASK 0x00000030 +#define TX4939_VPC_CTRLA_PDINT_ALL 0x00000000 +#define TX4939_VPC_CTRLA_PDINT_NEXT 0x00000010 +#define TX4939_VPC_CTRLA_PDINT_NONE 0x00000030 +#define TX4939_VPC_CTRLA_VDVLDP 0x00000008 +#define TX4939_VPC_CTRLA_VDMODE 0x00000004 +#define TX4939_VPC_CTRLA_VDFOR 0x00000002 +#define TX4939_VPC_CTRLA_ENVPC 0x00000001 + +/* bits for tx4939_vpc_desc.ctrl1 */ +#define TX4939_VPC_DESC_CTRL1_ERR_MASK 0x00000006 +#define TX4939_VPC_DESC_CTRL1_OWN 0x00000001 + +#define tx4939_ddrcptr ((struct tx4939_ddrc_reg __iomem *)TX4939_DDRC_REG) +#define tx4939_ebuscptr tx4938_ebuscptr +#define tx4939_ircptr \ + ((struct tx4939_irc_reg __iomem *)TX4939_IRC_REG) +#define tx4939_pcicptr tx4938_pcicptr +#define tx4939_pcic1ptr tx4938_pcic1ptr +#define tx4939_ccfgptr \ + ((struct tx4939_ccfg_reg __iomem *)TX4939_CCFG_REG) +#define tx4939_sramcptr tx4938_sramcptr +#define tx4939_rtcptr \ + ((struct tx4939_rtc_reg __iomem *)TX4939_RTC_REG) +#define tx4939_cryptoptr \ + ((struct tx4939_crypto_reg __iomem *)TX4939_CRYPTO_REG) +#define tx4939_vpcptr ((struct tx4939_vpc_reg __iomem *)TX4939_VPC_REG) + +#define TX4939_REV_MAJ_MIN() \ + ((__u32)__raw_readq(&tx4939_ccfgptr->crir) & 0x00ff) +#define TX4939_REV_PCODE() \ + ((__u32)__raw_readq(&tx4939_ccfgptr->crir) >> 16) +#define TX4939_CCFG_BCFG() \ + ((__u32)((__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_BCFG_MASK) \ + >> 32)) + +#define tx4939_ccfg_clear(bits) tx4938_ccfg_clear(bits) +#define tx4939_ccfg_set(bits) tx4938_ccfg_set(bits) +#define tx4939_ccfg_change(change, new) tx4938_ccfg_change(change, new) + +#define TX4939_EBUSC_CR(ch) TX4927_EBUSC_CR(ch) +#define TX4939_EBUSC_BA(ch) TX4927_EBUSC_BA(ch) +#define TX4939_EBUSC_SIZE(ch) TX4927_EBUSC_SIZE(ch) +#define TX4939_EBUSC_WIDTH(ch) \ + (16 >> ((__u32)(TX4939_EBUSC_CR(ch) >> 20) & 0x1)) + +/* SCLK0 = MSTCLK * 429/19 * 16/245 / 2 (14.745MHz for MST 20MHz) */ +#define TX4939_SCLK0(mst) \ + ((((mst) + 245/2) / 245UL * 429 * 16 + 19) / 19 / 2) + +void tx4939_wdt_init(void); +void tx4939_add_memory_regions(void); +void tx4939_setup(void); +void tx4939_time_init(unsigned int tmrnr); +void tx4939_sio_init(unsigned int sclk, unsigned int cts_mask); +void tx4939_spi_init(int busid); +void tx4939_ethaddr_init(unsigned char *addr0, unsigned char *addr1); +int tx4939_report_pciclk(void); +void tx4939_report_pci1clk(void); +struct pci_dev; +int tx4939_pcic1_map_irq(const struct pci_dev *dev, u8 slot); +int tx4939_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +void tx4939_setup_pcierr_irq(void); +void tx4939_irq_init(void); +int tx4939_irq(void); +void tx4939_mtd_init(int ch); + +#endif /* __ASM_TXX9_TX4939_H */ -- GitLab From b27311e1cace4e296ace786c886d22f7a8ec78d6 Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:40 +0900 Subject: [PATCH 3693/6244] MIPS: TXx9: Add RBTX4939 board support Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle create mode 100644 arch/mips/txx9/rbtx4939/Makefile create mode 100644 arch/mips/txx9/rbtx4939/irq.c create mode 100644 arch/mips/txx9/rbtx4939/prom.c create mode 100644 arch/mips/txx9/rbtx4939/setup.c create mode 100644 include/asm-mips/txx9/rbtx4939.h --- arch/mips/Makefile | 8 +- arch/mips/txx9/Kconfig | 8 + arch/mips/txx9/generic/setup.c | 5 + arch/mips/txx9/rbtx4939/Makefile | 3 + arch/mips/txx9/rbtx4939/irq.c | 96 ++++++++++ arch/mips/txx9/rbtx4939/prom.c | 17 ++ arch/mips/txx9/rbtx4939/setup.c | 306 +++++++++++++++++++++++++++++++ include/asm-mips/txx9/boards.h | 3 + include/asm-mips/txx9/rbtx4939.h | 133 ++++++++++++++ 9 files changed, 573 insertions(+), 6 deletions(-) create mode 100644 arch/mips/txx9/rbtx4939/Makefile create mode 100644 arch/mips/txx9/rbtx4939/irq.c create mode 100644 arch/mips/txx9/rbtx4939/prom.c create mode 100644 arch/mips/txx9/rbtx4939/setup.c create mode 100644 include/asm-mips/txx9/rbtx4939.h diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 9aab51caf16a..87f67228e309 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -567,15 +567,11 @@ cflags-$(CONFIG_MIKROTIK_RB532) += -Iinclude/asm-mips/mach-rc32434 load-$(CONFIG_MIKROTIK_RB532) += 0xffffffff80101000 # -# Toshiba RBTX4927 board or -# Toshiba RBTX4937 board +# Toshiba RBTX49XX boards # core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/ - -# -# Toshiba RBTX4938 board -# core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/ +core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/ cflags-y += -Iinclude/asm-mips/mach-generic drivers-$(CONFIG_PCI) += arch/mips/pci/ diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 58691a1fe779..17052db4161d 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -45,6 +45,14 @@ config TOSHIBA_RBTX4938 This Toshiba board is based on the TX4938 processor. Say Y here to support this machine type +config TOSHIBA_RBTX4939 + bool "Toshiba RBTX4939 bobard" + depends on MACH_TX49XX + select SOC_TX4939 + help + This Toshiba board is based on the TX4939 processor. Say Y here to + support this machine type + config SOC_TX3927 bool select CEVT_TXX9 diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 1ea06553a1e1..7a05c34c1dec 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -371,6 +371,11 @@ static void __init select_board(void) case 0x4938: txx9_board_vec = &rbtx4938_vec; break; +#endif +#ifdef CONFIG_TOSHIBA_RBTX4939 + case 0x4939: + txx9_board_vec = &rbtx4939_vec; + break; #endif } #endif diff --git a/arch/mips/txx9/rbtx4939/Makefile b/arch/mips/txx9/rbtx4939/Makefile new file mode 100644 index 000000000000..3232cd03a7d6 --- /dev/null +++ b/arch/mips/txx9/rbtx4939/Makefile @@ -0,0 +1,3 @@ +obj-y += irq.o setup.o prom.o + +EXTRA_CFLAGS += -Werror diff --git a/arch/mips/txx9/rbtx4939/irq.c b/arch/mips/txx9/rbtx4939/irq.c new file mode 100644 index 000000000000..500cc0a908e6 --- /dev/null +++ b/arch/mips/txx9/rbtx4939/irq.c @@ -0,0 +1,96 @@ +/* + * Toshiba RBTX4939 interrupt routines + * Based on linux/arch/mips/txx9/rbtx4938/irq.c, + * and RBTX49xx patch from CELF patch archive. + * + * Copyright (C) 2000-2001,2005-2006 Toshiba Corporation + * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is + * licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#include +#include +#include +#include + +/* + * RBTX4939 IOC controller definition + */ + +static void rbtx4939_ioc_irq_unmask(unsigned int irq) +{ + int ioc_nr = irq - RBTX4939_IRQ_IOC; + + writeb(readb(rbtx4939_ien_addr) | (1 << ioc_nr), rbtx4939_ien_addr); +} + +static void rbtx4939_ioc_irq_mask(unsigned int irq) +{ + int ioc_nr = irq - RBTX4939_IRQ_IOC; + + writeb(readb(rbtx4939_ien_addr) & ~(1 << ioc_nr), rbtx4939_ien_addr); + mmiowb(); +} + +static struct irq_chip rbtx4939_ioc_irq_chip = { + .name = "IOC", + .ack = rbtx4939_ioc_irq_mask, + .mask = rbtx4939_ioc_irq_mask, + .mask_ack = rbtx4939_ioc_irq_mask, + .unmask = rbtx4939_ioc_irq_unmask, +}; + + +static inline int rbtx4939_ioc_irqroute(void) +{ + unsigned char istat = readb(rbtx4939_ifac2_addr); + + if (unlikely(istat == 0)) + return -1; + return RBTX4939_IRQ_IOC + __fls8(istat); +} + +static int rbtx4939_irq_dispatch(int pending) +{ + int irq; + + if (pending & CAUSEF_IP7) + return MIPS_CPU_IRQ_BASE + 7; + irq = tx4939_irq(); + if (likely(irq >= 0)) { + /* redirect IOC interrupts */ + switch (irq) { + case RBTX4939_IRQ_IOCINT: + irq = rbtx4939_ioc_irqroute(); + break; + } + } else if (pending & CAUSEF_IP0) + irq = MIPS_CPU_IRQ_BASE + 0; + else if (pending & CAUSEF_IP1) + irq = MIPS_CPU_IRQ_BASE + 1; + else + irq = -1; + return irq; +} + +void __init rbtx4939_irq_setup(void) +{ + int i; + + /* mask all IOC interrupts */ + writeb(0, rbtx4939_ien_addr); + + /* clear SoftInt interrupts */ + writeb(0, rbtx4939_softint_addr); + + txx9_irq_dispatch = rbtx4939_irq_dispatch; + + tx4939_irq_init(); + for (i = RBTX4939_IRQ_IOC; + i < RBTX4939_IRQ_IOC + RBTX4939_NR_IRQ_IOC; i++) + set_irq_chip_and_handler(i, &rbtx4939_ioc_irq_chip, + handle_level_irq); + + set_irq_chained_handler(RBTX4939_IRQ_IOCINT, handle_simple_irq); +} diff --git a/arch/mips/txx9/rbtx4939/prom.c b/arch/mips/txx9/rbtx4939/prom.c new file mode 100644 index 000000000000..bd277ecb4ad6 --- /dev/null +++ b/arch/mips/txx9/rbtx4939/prom.c @@ -0,0 +1,17 @@ +/* + * rbtx4939 specific prom routines + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include +#include +#include + +void __init rbtx4939_prom_init(void) +{ + tx4939_add_memory_regions(); + txx9_sio_putchar_init(TX4939_SIO_REG(0) & 0xfffffffffULL); +} diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c new file mode 100644 index 000000000000..277864d5e779 --- /dev/null +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -0,0 +1,306 @@ +/* + * Toshiba RBTX4939 setup routines. + * Based on linux/arch/mips/txx9/rbtx4938/setup.c, + * and RBTX49xx patch from CELF patch archive. + * + * Copyright (C) 2000-2001,2005-2007 Toshiba Corporation + * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is + * licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void rbtx4939_machine_restart(char *command) +{ + local_irq_disable(); + writeb(1, rbtx4939_reseten_addr); + writeb(1, rbtx4939_softreset_addr); + while (1) + ; +} + +static void __init rbtx4939_time_init(void) +{ + tx4939_time_init(0); +} + +static void __init rbtx4939_pci_setup(void) +{ +#ifdef CONFIG_PCI + int extarb = !(__raw_readq(&tx4939_ccfgptr->ccfg) & TX4939_CCFG_PCIARB); + struct pci_controller *c = &txx9_primary_pcic; + + register_pci_controller(c); + + tx4939_report_pciclk(); + tx4927_pcic_setup(tx4939_pcicptr, c, extarb); + if (!(__raw_readq(&tx4939_ccfgptr->pcfg) & TX4939_PCFG_ATA1MODE) && + (__raw_readq(&tx4939_ccfgptr->pcfg) & + (TX4939_PCFG_ET0MODE | TX4939_PCFG_ET1MODE))) { + tx4939_report_pci1clk(); + + /* mem:64K(max), io:64K(max) (enough for ETH0,ETH1) */ + c = txx9_alloc_pci_controller(NULL, 0, 0x10000, 0, 0x10000); + register_pci_controller(c); + tx4927_pcic_setup(tx4939_pcic1ptr, c, 0); + } + + tx4939_setup_pcierr_irq(); +#endif /* CONFIG_PCI */ +} + +static unsigned long long default_ebccr[] __initdata = { + 0x01c0000000007608ULL, /* 64M ROM */ + 0x017f000000007049ULL, /* 1M IOC */ + 0x0180000000408608ULL, /* ISA */ + 0, +}; + +static void __init rbtx4939_ebusc_setup(void) +{ + int i; + unsigned int sp; + + /* use user-configured speed */ + sp = TX4939_EBUSC_CR(0) & 0x30; + default_ebccr[0] |= sp; + default_ebccr[1] |= sp; + default_ebccr[2] |= sp; + /* initialise by myself */ + for (i = 0; i < ARRAY_SIZE(default_ebccr); i++) { + if (default_ebccr[i]) + ____raw_writeq(default_ebccr[i], + &tx4939_ebuscptr->cr[i]); + else + ____raw_writeq(____raw_readq(&tx4939_ebuscptr->cr[i]) + & ~8, + &tx4939_ebuscptr->cr[i]); + } +} + +static void __init rbtx4939_update_ioc_pen(void) +{ + __u64 pcfg = ____raw_readq(&tx4939_ccfgptr->pcfg); + __u64 ccfg = ____raw_readq(&tx4939_ccfgptr->ccfg); + __u8 pe1 = readb(rbtx4939_pe1_addr); + __u8 pe2 = readb(rbtx4939_pe2_addr); + __u8 pe3 = readb(rbtx4939_pe3_addr); + if (pcfg & TX4939_PCFG_ATA0MODE) + pe1 |= RBTX4939_PE1_ATA(0); + else + pe1 &= ~RBTX4939_PE1_ATA(0); + if (pcfg & TX4939_PCFG_ATA1MODE) { + pe1 |= RBTX4939_PE1_ATA(1); + pe1 &= ~(RBTX4939_PE1_RMII(0) | RBTX4939_PE1_RMII(1)); + } else { + pe1 &= ~RBTX4939_PE1_ATA(1); + if (pcfg & TX4939_PCFG_ET0MODE) + pe1 |= RBTX4939_PE1_RMII(0); + else + pe1 &= ~RBTX4939_PE1_RMII(0); + if (pcfg & TX4939_PCFG_ET1MODE) + pe1 |= RBTX4939_PE1_RMII(1); + else + pe1 &= ~RBTX4939_PE1_RMII(1); + } + if (ccfg & TX4939_CCFG_PTSEL) + pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_P | + RBTX4939_PE3_VP_S); + else { + __u64 vmode = pcfg & + (TX4939_PCFG_VSSMODE | TX4939_PCFG_VPSMODE); + if (vmode == 0) + pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_P | + RBTX4939_PE3_VP_S); + else if (vmode == TX4939_PCFG_VPSMODE) { + pe3 |= RBTX4939_PE3_VP_P; + pe3 &= ~(RBTX4939_PE3_VP | RBTX4939_PE3_VP_S); + } else if (vmode == TX4939_PCFG_VSSMODE) { + pe3 |= RBTX4939_PE3_VP | RBTX4939_PE3_VP_S; + pe3 &= ~RBTX4939_PE3_VP_P; + } else { + pe3 |= RBTX4939_PE3_VP | RBTX4939_PE3_VP_P; + pe3 &= ~RBTX4939_PE3_VP_S; + } + } + if (pcfg & TX4939_PCFG_SPIMODE) { + if (pcfg & TX4939_PCFG_SIO2MODE_GPIO) + pe2 &= ~(RBTX4939_PE2_SIO2 | RBTX4939_PE2_SIO0); + else { + if (pcfg & TX4939_PCFG_SIO2MODE_SIO2) { + pe2 |= RBTX4939_PE2_SIO2; + pe2 &= ~RBTX4939_PE2_SIO0; + } else { + pe2 |= RBTX4939_PE2_SIO0; + pe2 &= ~RBTX4939_PE2_SIO2; + } + } + if (pcfg & TX4939_PCFG_SIO3MODE) + pe2 |= RBTX4939_PE2_SIO3; + else + pe2 &= ~RBTX4939_PE2_SIO3; + pe2 &= ~RBTX4939_PE2_SPI; + } else { + pe2 |= RBTX4939_PE2_SPI; + pe2 &= ~(RBTX4939_PE2_SIO3 | RBTX4939_PE2_SIO2 | + RBTX4939_PE2_SIO0); + } + if ((pcfg & TX4939_PCFG_I2SMODE_MASK) == TX4939_PCFG_I2SMODE_GPIO) + pe2 |= RBTX4939_PE2_GPIO; + else + pe2 &= ~RBTX4939_PE2_GPIO; + writeb(pe1, rbtx4939_pe1_addr); + writeb(pe2, rbtx4939_pe2_addr); + writeb(pe3, rbtx4939_pe3_addr); +} + +#define RBTX4939_MAX_7SEGLEDS 8 + +#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) +static u8 led_val[RBTX4939_MAX_7SEGLEDS]; +struct rbtx4939_led_data { + struct led_classdev cdev; + char name[32]; + unsigned int num; +}; + +/* Use "dot" in 7seg LEDs */ +static void rbtx4939_led_brightness_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct rbtx4939_led_data *led_dat = + container_of(led_cdev, struct rbtx4939_led_data, cdev); + unsigned int num = led_dat->num; + unsigned long flags; + + local_irq_save(flags); + led_val[num] = (led_val[num] & 0x7f) | (value ? 0x80 : 0); + writeb(led_val[num], rbtx4939_7seg_addr(num / 4, num % 4)); + local_irq_restore(flags); +} + +static int __init rbtx4939_led_probe(struct platform_device *pdev) +{ + struct rbtx4939_led_data *leds_data; + int i; + static char *default_triggers[] __initdata = { + "heartbeat", + "ide-disk", + "nand-disk", + }; + + leds_data = kzalloc(sizeof(*leds_data) * RBTX4939_MAX_7SEGLEDS, + GFP_KERNEL); + if (!leds_data) + return -ENOMEM; + for (i = 0; i < RBTX4939_MAX_7SEGLEDS; i++) { + int rc; + struct rbtx4939_led_data *led_dat = &leds_data[i]; + + led_dat->num = i; + led_dat->cdev.brightness_set = rbtx4939_led_brightness_set; + sprintf(led_dat->name, "rbtx4939:amber:%u", i); + led_dat->cdev.name = led_dat->name; + if (i < ARRAY_SIZE(default_triggers)) + led_dat->cdev.default_trigger = default_triggers[i]; + rc = led_classdev_register(&pdev->dev, &led_dat->cdev); + if (rc < 0) + return rc; + led_dat->cdev.brightness_set(&led_dat->cdev, 0); + } + return 0; + +} + +static struct platform_driver rbtx4939_led_driver = { + .driver = { + .name = "rbtx4939-led", + .owner = THIS_MODULE, + }, +}; + +static void __init rbtx4939_led_setup(void) +{ + platform_device_register_simple("rbtx4939-led", -1, NULL, 0); + platform_driver_probe(&rbtx4939_led_driver, rbtx4939_led_probe); +} +#else +static inline void rbtx4939_led_setup(void) +{ +} +#endif + +static void __init rbtx4939_arch_init(void) +{ + rbtx4939_pci_setup(); +} + +static void __init rbtx4939_device_init(void) +{ +#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) + int i, j; + unsigned char ethaddr[2][6]; + for (i = 0; i < 2; i++) { + unsigned long area = CKSEG1 + 0x1fff0000 + (i * 0x10); + if (readb(rbtx4939_bdipsw_addr) & 8) { + u16 buf[3]; + area -= 0x03000000; + for (j = 0; j < 3; j++) + buf[j] = le16_to_cpup((u16 *)(area + j * 2)); + memcpy(ethaddr[i], buf, 6); + } else + memcpy(ethaddr[i], (void *)area, 6); + } + tx4939_ethaddr_init(ethaddr[0], ethaddr[1]); +#endif + rbtx4939_led_setup(); + tx4939_wdt_init(); +} + +static void __init rbtx4939_setup(void) +{ + rbtx4939_ebusc_setup(); + /* always enable ATA0 */ + txx9_set64(&tx4939_ccfgptr->pcfg, TX4939_PCFG_ATA0MODE); + rbtx4939_update_ioc_pen(); + if (txx9_master_clock == 0) + txx9_master_clock = 20000000; + tx4939_setup(); + + _machine_restart = rbtx4939_machine_restart; + + pr_info("RBTX4939 (Rev %02x) --- FPGA(Rev %02x) DIPSW:%02x,%02x\n", + readb(rbtx4939_board_rev_addr), readb(rbtx4939_ioc_rev_addr), + readb(rbtx4939_udipsw_addr), readb(rbtx4939_bdipsw_addr)); + +#ifdef CONFIG_PCI + txx9_alloc_pci_controller(&txx9_primary_pcic, 0, 0, 0, 0); + txx9_board_pcibios_setup = tx4927_pcibios_setup; +#else + set_io_port_base(RBTX4939_ETHER_BASE); +#endif + + tx4939_sio_init(TX4939_SCLK0(txx9_master_clock), 0); +} + +struct txx9_board_vec rbtx4939_vec __initdata = { + .system = "Tothiba RBTX4939", + .prom_init = rbtx4939_prom_init, + .mem_setup = rbtx4939_setup, + .irq_setup = rbtx4939_irq_setup, + .time_init = rbtx4939_time_init, + .device_init = rbtx4939_device_init, + .arch_init = rbtx4939_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = tx4939_pci_map_irq, +#endif +}; diff --git a/include/asm-mips/txx9/boards.h b/include/asm-mips/txx9/boards.h index 4abc8142fbb7..cbe9476d963e 100644 --- a/include/asm-mips/txx9/boards.h +++ b/include/asm-mips/txx9/boards.h @@ -8,3 +8,6 @@ BOARD_VEC(rbtx4937_vec) #ifdef CONFIG_TOSHIBA_RBTX4938 BOARD_VEC(rbtx4938_vec) #endif +#ifdef CONFIG_TOSHIBA_RBTX4939 +BOARD_VEC(rbtx4939_vec) +#endif diff --git a/include/asm-mips/txx9/rbtx4939.h b/include/asm-mips/txx9/rbtx4939.h new file mode 100644 index 000000000000..1acf428c0b4f --- /dev/null +++ b/include/asm-mips/txx9/rbtx4939.h @@ -0,0 +1,133 @@ +/* + * Definitions for RBTX4939 + * + * (C) Copyright TOSHIBA CORPORATION 2005-2006 + * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the + * terms of the GNU General Public License version 2. This program is + * licensed "as is" without any warranty of any kind, whether express + * or implied. + */ +#ifndef __ASM_TXX9_RBTX4939_H +#define __ASM_TXX9_RBTX4939_H + +#include +#include +#include +#include + +/* Address map */ +#define RBTX4939_IOC_REG_ADDR (IO_BASE + TXX9_CE(1) + 0x00000000) +#define RBTX4939_BOARD_REV_ADDR (IO_BASE + TXX9_CE(1) + 0x00000000) +#define RBTX4939_IOC_REV_ADDR (IO_BASE + TXX9_CE(1) + 0x00000002) +#define RBTX4939_CONFIG1_ADDR (IO_BASE + TXX9_CE(1) + 0x00000004) +#define RBTX4939_CONFIG2_ADDR (IO_BASE + TXX9_CE(1) + 0x00000006) +#define RBTX4939_CONFIG3_ADDR (IO_BASE + TXX9_CE(1) + 0x00000008) +#define RBTX4939_CONFIG4_ADDR (IO_BASE + TXX9_CE(1) + 0x0000000a) +#define RBTX4939_USTAT_ADDR (IO_BASE + TXX9_CE(1) + 0x00001000) +#define RBTX4939_UDIPSW_ADDR (IO_BASE + TXX9_CE(1) + 0x00001002) +#define RBTX4939_BDIPSW_ADDR (IO_BASE + TXX9_CE(1) + 0x00001004) +#define RBTX4939_IEN_ADDR (IO_BASE + TXX9_CE(1) + 0x00002000) +#define RBTX4939_IPOL_ADDR (IO_BASE + TXX9_CE(1) + 0x00002002) +#define RBTX4939_IFAC1_ADDR (IO_BASE + TXX9_CE(1) + 0x00002004) +#define RBTX4939_IFAC2_ADDR (IO_BASE + TXX9_CE(1) + 0x00002006) +#define RBTX4939_SOFTINT_ADDR (IO_BASE + TXX9_CE(1) + 0x00003000) +#define RBTX4939_ISASTAT_ADDR (IO_BASE + TXX9_CE(1) + 0x00004000) +#define RBTX4939_PCISTAT_ADDR (IO_BASE + TXX9_CE(1) + 0x00004002) +#define RBTX4939_ROME_ADDR (IO_BASE + TXX9_CE(1) + 0x00004004) +#define RBTX4939_SPICS_ADDR (IO_BASE + TXX9_CE(1) + 0x00004006) +#define RBTX4939_AUDI_ADDR (IO_BASE + TXX9_CE(1) + 0x00004008) +#define RBTX4939_ISAGPIO_ADDR (IO_BASE + TXX9_CE(1) + 0x0000400a) +#define RBTX4939_PE1_ADDR (IO_BASE + TXX9_CE(1) + 0x00005000) +#define RBTX4939_PE2_ADDR (IO_BASE + TXX9_CE(1) + 0x00005002) +#define RBTX4939_PE3_ADDR (IO_BASE + TXX9_CE(1) + 0x00005004) +#define RBTX4939_VP_ADDR (IO_BASE + TXX9_CE(1) + 0x00005006) +#define RBTX4939_VPRESET_ADDR (IO_BASE + TXX9_CE(1) + 0x00005008) +#define RBTX4939_VPSOUT_ADDR (IO_BASE + TXX9_CE(1) + 0x0000500a) +#define RBTX4939_VPSIN_ADDR (IO_BASE + TXX9_CE(1) + 0x0000500c) +#define RBTX4939_7SEG_ADDR(s, ch) \ + (IO_BASE + TXX9_CE(1) + 0x00006000 + (s) * 16 + ((ch) & 3) * 2) +#define RBTX4939_SOFTRESET_ADDR (IO_BASE + TXX9_CE(1) + 0x00007000) +#define RBTX4939_RESETEN_ADDR (IO_BASE + TXX9_CE(1) + 0x00007002) +#define RBTX4939_RESETSTAT_ADDR (IO_BASE + TXX9_CE(1) + 0x00007004) +#define RBTX4939_ETHER_BASE (IO_BASE + TXX9_CE(1) + 0x00020000) + +/* Ethernet port address */ +#define RBTX4939_ETHER_ADDR (RBTX4939_ETHER_BASE + 0x300) + +/* bits for IEN/IPOL/IFAC */ +#define RBTX4938_INTB_ISA0 0 +#define RBTX4938_INTB_ISA11 1 +#define RBTX4938_INTB_ISA12 2 +#define RBTX4938_INTB_ISA15 3 +#define RBTX4938_INTB_I2S 4 +#define RBTX4938_INTB_SW 5 +#define RBTX4938_INTF_ISA0 (1 << RBTX4938_INTB_ISA0) +#define RBTX4938_INTF_ISA11 (1 << RBTX4938_INTB_ISA11) +#define RBTX4938_INTF_ISA12 (1 << RBTX4938_INTB_ISA12) +#define RBTX4938_INTF_ISA15 (1 << RBTX4938_INTB_ISA15) +#define RBTX4938_INTF_I2S (1 << RBTX4938_INTB_I2S) +#define RBTX4938_INTF_SW (1 << RBTX4938_INTB_SW) + +/* bits for PE1,PE2,PE3 */ +#define RBTX4939_PE1_ATA(ch) (0x01 << (ch)) +#define RBTX4939_PE1_RMII(ch) (0x04 << (ch)) +#define RBTX4939_PE2_SIO0 0x01 +#define RBTX4939_PE2_SIO2 0x02 +#define RBTX4939_PE2_SIO3 0x04 +#define RBTX4939_PE2_CIR 0x08 +#define RBTX4939_PE2_SPI 0x10 +#define RBTX4939_PE2_GPIO 0x20 +#define RBTX4939_PE3_VP 0x01 +#define RBTX4939_PE3_VP_P 0x02 +#define RBTX4939_PE3_VP_S 0x04 + +#define rbtx4939_board_rev_addr ((u8 __iomem *)RBTX4939_BOARD_REV_ADDR) +#define rbtx4939_ioc_rev_addr ((u8 __iomem *)RBTX4939_IOC_REV_ADDR) +#define rbtx4939_config1_addr ((u8 __iomem *)RBTX4939_CONFIG1_ADDR) +#define rbtx4939_config2_addr ((u8 __iomem *)RBTX4939_CONFIG2_ADDR) +#define rbtx4939_config3_addr ((u8 __iomem *)RBTX4939_CONFIG3_ADDR) +#define rbtx4939_config4_addr ((u8 __iomem *)RBTX4939_CONFIG4_ADDR) +#define rbtx4939_ustat_addr ((u8 __iomem *)RBTX4939_USTAT_ADDR) +#define rbtx4939_udipsw_addr ((u8 __iomem *)RBTX4939_UDIPSW_ADDR) +#define rbtx4939_bdipsw_addr ((u8 __iomem *)RBTX4939_BDIPSW_ADDR) +#define rbtx4939_ien_addr ((u8 __iomem *)RBTX4939_IEN_ADDR) +#define rbtx4939_ipol_addr ((u8 __iomem *)RBTX4939_IPOL_ADDR) +#define rbtx4939_ifac1_addr ((u8 __iomem *)RBTX4939_IFAC1_ADDR) +#define rbtx4939_ifac2_addr ((u8 __iomem *)RBTX4939_IFAC2_ADDR) +#define rbtx4939_softint_addr ((u8 __iomem *)RBTX4939_SOFTINT_ADDR) +#define rbtx4939_isastat_addr ((u8 __iomem *)RBTX4939_ISASTAT_ADDR) +#define rbtx4939_pcistat_addr ((u8 __iomem *)RBTX4939_PCISTAT_ADDR) +#define rbtx4939_rome_addr ((u8 __iomem *)RBTX4939_ROME_ADDR) +#define rbtx4939_spics_addr ((u8 __iomem *)RBTX4939_SPICS_ADDR) +#define rbtx4939_audi_addr ((u8 __iomem *)RBTX4939_AUDI_ADDR) +#define rbtx4939_isagpio_addr ((u8 __iomem *)RBTX4939_ISAGPIO_ADDR) +#define rbtx4939_pe1_addr ((u8 __iomem *)RBTX4939_PE1_ADDR) +#define rbtx4939_pe2_addr ((u8 __iomem *)RBTX4939_PE2_ADDR) +#define rbtx4939_pe3_addr ((u8 __iomem *)RBTX4939_PE3_ADDR) +#define rbtx4939_vp_addr ((u8 __iomem *)RBTX4939_VP_ADDR) +#define rbtx4939_vpreset_addr ((u8 __iomem *)RBTX4939_VPRESET_ADDR) +#define rbtx4939_vpsout_addr ((u8 __iomem *)RBTX4939_VPSOUT_ADDR) +#define rbtx4939_vpsin_addr ((u8 __iomem *)RBTX4939_VPSIN_ADDR) +#define rbtx4939_7seg_addr(s, ch) \ + ((u8 __iomem *)RBTX4939_7SEG_ADDR(s, ch)) +#define rbtx4939_softreset_addr ((u8 __iomem *)RBTX4939_SOFTRESET_ADDR) +#define rbtx4939_reseten_addr ((u8 __iomem *)RBTX4939_RESETEN_ADDR) +#define rbtx4939_resetstat_addr ((u8 __iomem *)RBTX4939_RESETSTAT_ADDR) + +/* + * IRQ mappings + */ +#define RBTX4939_NR_IRQ_IOC 8 + +#define RBTX4939_IRQ_IOC (TXX9_IRQ_BASE + TX4939_NUM_IR) +#define RBTX4939_IRQ_END (RBTX4939_IRQ_IOC + RBTX4939_NR_IRQ_IOC) + +/* IOC (ISA, etc) */ +#define RBTX4939_IRQ_IOCINT (TXX9_IRQ_BASE + TX4939_IR_INT(0)) +/* Onboard 10M Ether */ +#define RBTX4939_IRQ_ETHER (TXX9_IRQ_BASE + TX4939_IR_INT(1)) + +void rbtx4939_prom_init(void); +void rbtx4939_irq_setup(void); + +#endif /* __ASM_TXX9_RBTX4939_H */ -- GitLab From b6263ff2d6e58cc2fe615219ab2a06778b5e6cef Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Mon, 1 Sep 2008 22:22:41 +0900 Subject: [PATCH 3694/6244] MIPS: TXx9: Implement prom_free_prom_memory Signed-off-by: Atsushi Nemoto Signed-off-by: Ralf Baechle --- arch/mips/txx9/generic/setup.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 7a05c34c1dec..5526375010f8 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -394,6 +395,11 @@ void __init prom_init(void) void __init prom_free_prom_memory(void) { + unsigned long saddr = PAGE_SIZE; + unsigned long eaddr = __pa_symbol(&_text); + + if (saddr < eaddr) + free_init_pages("prom memory", saddr, eaddr); } const char *get_system_type(void) -- GitLab From 8d2d91e86b4153cc2305ec86fe908048f459ff7f Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 11 Oct 2008 16:18:50 +0100 Subject: [PATCH 3695/6244] MIPS: Optimize get_user and put_user for 64-bit A long for the error value leads to unnecessary sign extensions. This patch shrinks an ip27_defconfig kernel build with gcc 4.3.0 by 2256 bytes. Signed-off-by: Ralf Baechle --- include/asm-mips/uaccess.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/asm-mips/uaccess.h b/include/asm-mips/uaccess.h index 66523d610950..b895144d577a 100644 --- a/include/asm-mips/uaccess.h +++ b/include/asm-mips/uaccess.h @@ -224,7 +224,7 @@ do { \ #define __get_user_nocheck(x, ptr, size) \ ({ \ - long __gu_err; \ + int __gu_err; \ \ __get_user_common((x), size, ptr); \ __gu_err; \ @@ -232,7 +232,7 @@ do { \ #define __get_user_check(x, ptr, size) \ ({ \ - long __gu_err = -EFAULT; \ + int __gu_err = -EFAULT; \ const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \ \ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \ @@ -304,7 +304,7 @@ do { \ #define __put_user_nocheck(x, ptr, size) \ ({ \ __typeof__(*(ptr)) __pu_val; \ - long __pu_err = 0; \ + int __pu_err = 0; \ \ __pu_val = (x); \ switch (size) { \ @@ -321,7 +321,7 @@ do { \ ({ \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ __typeof__(*(ptr)) __pu_val = (x); \ - long __pu_err = -EFAULT; \ + int __pu_err = -EFAULT; \ \ if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \ switch (size) { \ -- GitLab From e8c7c482347574ecdd45c43e32c332d5fc2ece61 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Sep 2008 19:12:16 +0200 Subject: [PATCH 3696/6244] MIPS: Alchemy: rename directory It's more than the au1000 these days. Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 2 +- arch/mips/Makefile | 30 +++++++++---------- arch/mips/{au1000 => alchemy}/Kconfig | 0 arch/mips/{au1000 => alchemy}/common/Makefile | 0 .../common/au1xxx_irqmap.c | 0 arch/mips/{au1000 => alchemy}/common/clocks.c | 0 .../{au1000 => alchemy}/common/cputable.c | 0 arch/mips/{au1000 => alchemy}/common/dbdma.c | 0 arch/mips/{au1000 => alchemy}/common/dma.c | 0 arch/mips/{au1000 => alchemy}/common/gpio.c | 0 arch/mips/{au1000 => alchemy}/common/irq.c | 0 arch/mips/{au1000 => alchemy}/common/pci.c | 0 .../{au1000 => alchemy}/common/platform.c | 0 arch/mips/{au1000 => alchemy}/common/power.c | 0 arch/mips/{au1000 => alchemy}/common/prom.c | 0 arch/mips/{au1000 => alchemy}/common/puts.c | 0 arch/mips/{au1000 => alchemy}/common/reset.c | 0 arch/mips/{au1000 => alchemy}/common/setup.c | 0 .../mips/{au1000 => alchemy}/common/sleeper.S | 10 +++---- arch/mips/{au1000 => alchemy}/common/time.c | 0 arch/mips/{au1000 => alchemy}/db1x00/Makefile | 0 .../{au1000 => alchemy}/db1x00/board_setup.c | 0 arch/mips/{au1000 => alchemy}/db1x00/init.c | 0 arch/mips/{au1000 => alchemy}/db1x00/irqmap.c | 0 arch/mips/{au1000 => alchemy}/mtx-1/Makefile | 0 .../{au1000 => alchemy}/mtx-1/board_setup.c | 0 arch/mips/{au1000 => alchemy}/mtx-1/init.c | 0 arch/mips/{au1000 => alchemy}/mtx-1/irqmap.c | 0 .../mips/{au1000 => alchemy}/mtx-1/platform.c | 0 arch/mips/{au1000 => alchemy}/pb1000/Makefile | 0 .../{au1000 => alchemy}/pb1000/board_setup.c | 0 arch/mips/{au1000 => alchemy}/pb1000/init.c | 0 arch/mips/{au1000 => alchemy}/pb1000/irqmap.c | 0 arch/mips/{au1000 => alchemy}/pb1100/Makefile | 0 .../{au1000 => alchemy}/pb1100/board_setup.c | 0 arch/mips/{au1000 => alchemy}/pb1100/init.c | 0 arch/mips/{au1000 => alchemy}/pb1100/irqmap.c | 0 arch/mips/{au1000 => alchemy}/pb1200/Makefile | 0 .../{au1000 => alchemy}/pb1200/board_setup.c | 0 arch/mips/{au1000 => alchemy}/pb1200/init.c | 0 arch/mips/{au1000 => alchemy}/pb1200/irqmap.c | 0 .../{au1000 => alchemy}/pb1200/platform.c | 0 arch/mips/{au1000 => alchemy}/pb1500/Makefile | 0 .../{au1000 => alchemy}/pb1500/board_setup.c | 0 arch/mips/{au1000 => alchemy}/pb1500/init.c | 0 arch/mips/{au1000 => alchemy}/pb1500/irqmap.c | 0 arch/mips/{au1000 => alchemy}/pb1550/Makefile | 0 .../{au1000 => alchemy}/pb1550/board_setup.c | 0 arch/mips/{au1000 => alchemy}/pb1550/init.c | 0 arch/mips/{au1000 => alchemy}/pb1550/irqmap.c | 0 .../mips/{au1000 => alchemy}/xxs1500/Makefile | 0 .../{au1000 => alchemy}/xxs1500/board_setup.c | 0 arch/mips/{au1000 => alchemy}/xxs1500/init.c | 0 .../mips/{au1000 => alchemy}/xxs1500/irqmap.c | 0 54 files changed, 21 insertions(+), 21 deletions(-) rename arch/mips/{au1000 => alchemy}/Kconfig (100%) rename arch/mips/{au1000 => alchemy}/common/Makefile (100%) rename arch/mips/{au1000 => alchemy}/common/au1xxx_irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/common/clocks.c (100%) rename arch/mips/{au1000 => alchemy}/common/cputable.c (100%) rename arch/mips/{au1000 => alchemy}/common/dbdma.c (100%) rename arch/mips/{au1000 => alchemy}/common/dma.c (100%) rename arch/mips/{au1000 => alchemy}/common/gpio.c (100%) rename arch/mips/{au1000 => alchemy}/common/irq.c (100%) rename arch/mips/{au1000 => alchemy}/common/pci.c (100%) rename arch/mips/{au1000 => alchemy}/common/platform.c (100%) rename arch/mips/{au1000 => alchemy}/common/power.c (100%) rename arch/mips/{au1000 => alchemy}/common/prom.c (100%) rename arch/mips/{au1000 => alchemy}/common/puts.c (100%) rename arch/mips/{au1000 => alchemy}/common/reset.c (100%) rename arch/mips/{au1000 => alchemy}/common/setup.c (100%) rename arch/mips/{au1000 => alchemy}/common/sleeper.S (96%) rename arch/mips/{au1000 => alchemy}/common/time.c (100%) rename arch/mips/{au1000 => alchemy}/db1x00/Makefile (100%) rename arch/mips/{au1000 => alchemy}/db1x00/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/db1x00/init.c (100%) rename arch/mips/{au1000 => alchemy}/db1x00/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/mtx-1/Makefile (100%) rename arch/mips/{au1000 => alchemy}/mtx-1/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/mtx-1/init.c (100%) rename arch/mips/{au1000 => alchemy}/mtx-1/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/mtx-1/platform.c (100%) rename arch/mips/{au1000 => alchemy}/pb1000/Makefile (100%) rename arch/mips/{au1000 => alchemy}/pb1000/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/pb1000/init.c (100%) rename arch/mips/{au1000 => alchemy}/pb1000/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/pb1100/Makefile (100%) rename arch/mips/{au1000 => alchemy}/pb1100/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/pb1100/init.c (100%) rename arch/mips/{au1000 => alchemy}/pb1100/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/pb1200/Makefile (100%) rename arch/mips/{au1000 => alchemy}/pb1200/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/pb1200/init.c (100%) rename arch/mips/{au1000 => alchemy}/pb1200/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/pb1200/platform.c (100%) rename arch/mips/{au1000 => alchemy}/pb1500/Makefile (100%) rename arch/mips/{au1000 => alchemy}/pb1500/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/pb1500/init.c (100%) rename arch/mips/{au1000 => alchemy}/pb1500/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/pb1550/Makefile (100%) rename arch/mips/{au1000 => alchemy}/pb1550/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/pb1550/init.c (100%) rename arch/mips/{au1000 => alchemy}/pb1550/irqmap.c (100%) rename arch/mips/{au1000 => alchemy}/xxs1500/Makefile (100%) rename arch/mips/{au1000 => alchemy}/xxs1500/board_setup.c (100%) rename arch/mips/{au1000 => alchemy}/xxs1500/init.c (100%) rename arch/mips/{au1000 => alchemy}/xxs1500/irqmap.c (100%) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 00a23a118492..c15416c2e89d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -598,7 +598,7 @@ config WR_PPMC endchoice -source "arch/mips/au1000/Kconfig" +source "arch/mips/alchemy/Kconfig" source "arch/mips/basler/excite/Kconfig" source "arch/mips/jazz/Kconfig" source "arch/mips/lasat/Kconfig" diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 87f67228e309..4401a0c1278c 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -176,103 +176,103 @@ load-$(CONFIG_MACH_JAZZ) += 0xffffffff80080000 # # Common Alchemy Au1x00 stuff # -core-$(CONFIG_SOC_AU1X00) += arch/mips/au1000/common/ +core-$(CONFIG_SOC_AU1X00) += arch/mips/alchemy/common/ cflags-$(CONFIG_SOC_AU1X00) += -Iinclude/asm-mips/mach-au1x00 # # AMD Alchemy Pb1000 eval board # -libs-$(CONFIG_MIPS_PB1000) += arch/mips/au1000/pb1000/ +libs-$(CONFIG_MIPS_PB1000) += arch/mips/alchemy/pb1000/ cflags-$(CONFIG_MIPS_PB1000) += -Iinclude/asm-mips/mach-pb1x00 load-$(CONFIG_MIPS_PB1000) += 0xffffffff80100000 # # AMD Alchemy Pb1100 eval board # -libs-$(CONFIG_MIPS_PB1100) += arch/mips/au1000/pb1100/ +libs-$(CONFIG_MIPS_PB1100) += arch/mips/alchemy/pb1100/ cflags-$(CONFIG_MIPS_PB1100) += -Iinclude/asm-mips/mach-pb1x00 load-$(CONFIG_MIPS_PB1100) += 0xffffffff80100000 # # AMD Alchemy Pb1500 eval board # -libs-$(CONFIG_MIPS_PB1500) += arch/mips/au1000/pb1500/ +libs-$(CONFIG_MIPS_PB1500) += arch/mips/alchemy/pb1500/ cflags-$(CONFIG_MIPS_PB1500) += -Iinclude/asm-mips/mach-pb1x00 load-$(CONFIG_MIPS_PB1500) += 0xffffffff80100000 # # AMD Alchemy Pb1550 eval board # -libs-$(CONFIG_MIPS_PB1550) += arch/mips/au1000/pb1550/ +libs-$(CONFIG_MIPS_PB1550) += arch/mips/alchemy/pb1550/ cflags-$(CONFIG_MIPS_PB1550) += -Iinclude/asm-mips/mach-pb1x00 load-$(CONFIG_MIPS_PB1550) += 0xffffffff80100000 # # AMD Alchemy Pb1200 eval board # -libs-$(CONFIG_MIPS_PB1200) += arch/mips/au1000/pb1200/ +libs-$(CONFIG_MIPS_PB1200) += arch/mips/alchemy/pb1200/ cflags-$(CONFIG_MIPS_PB1200) += -Iinclude/asm-mips/mach-pb1x00 load-$(CONFIG_MIPS_PB1200) += 0xffffffff80100000 # # AMD Alchemy Db1000 eval board # -libs-$(CONFIG_MIPS_DB1000) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_DB1000) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_DB1000) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_DB1000) += 0xffffffff80100000 # # AMD Alchemy Db1100 eval board # -libs-$(CONFIG_MIPS_DB1100) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_DB1100) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_DB1100) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_DB1100) += 0xffffffff80100000 # # AMD Alchemy Db1500 eval board # -libs-$(CONFIG_MIPS_DB1500) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_DB1500) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_DB1500) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_DB1500) += 0xffffffff80100000 # # AMD Alchemy Db1550 eval board # -libs-$(CONFIG_MIPS_DB1550) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_DB1550) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_DB1550) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_DB1550) += 0xffffffff80100000 # # AMD Alchemy Db1200 eval board # -libs-$(CONFIG_MIPS_DB1200) += arch/mips/au1000/pb1200/ +libs-$(CONFIG_MIPS_DB1200) += arch/mips/alchemy/pb1200/ cflags-$(CONFIG_MIPS_DB1200) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_DB1200) += 0xffffffff80100000 # # AMD Alchemy Bosporus eval board # -libs-$(CONFIG_MIPS_BOSPORUS) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_BOSPORUS) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_BOSPORUS) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_BOSPORUS) += 0xffffffff80100000 # # AMD Alchemy Mirage eval board # -libs-$(CONFIG_MIPS_MIRAGE) += arch/mips/au1000/db1x00/ +libs-$(CONFIG_MIPS_MIRAGE) += arch/mips/alchemy/db1x00/ cflags-$(CONFIG_MIPS_MIRAGE) += -Iinclude/asm-mips/mach-db1x00 load-$(CONFIG_MIPS_MIRAGE) += 0xffffffff80100000 # # 4G-Systems eval board # -libs-$(CONFIG_MIPS_MTX1) += arch/mips/au1000/mtx-1/ +libs-$(CONFIG_MIPS_MTX1) += arch/mips/alchemy/mtx-1/ load-$(CONFIG_MIPS_MTX1) += 0xffffffff80100000 # # MyCable eval board # -libs-$(CONFIG_MIPS_XXS1500) += arch/mips/au1000/xxs1500/ +libs-$(CONFIG_MIPS_XXS1500) += arch/mips/alchemy/xxs1500/ load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000 # diff --git a/arch/mips/au1000/Kconfig b/arch/mips/alchemy/Kconfig similarity index 100% rename from arch/mips/au1000/Kconfig rename to arch/mips/alchemy/Kconfig diff --git a/arch/mips/au1000/common/Makefile b/arch/mips/alchemy/common/Makefile similarity index 100% rename from arch/mips/au1000/common/Makefile rename to arch/mips/alchemy/common/Makefile diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/alchemy/common/au1xxx_irqmap.c similarity index 100% rename from arch/mips/au1000/common/au1xxx_irqmap.c rename to arch/mips/alchemy/common/au1xxx_irqmap.c diff --git a/arch/mips/au1000/common/clocks.c b/arch/mips/alchemy/common/clocks.c similarity index 100% rename from arch/mips/au1000/common/clocks.c rename to arch/mips/alchemy/common/clocks.c diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/alchemy/common/cputable.c similarity index 100% rename from arch/mips/au1000/common/cputable.c rename to arch/mips/alchemy/common/cputable.c diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/alchemy/common/dbdma.c similarity index 100% rename from arch/mips/au1000/common/dbdma.c rename to arch/mips/alchemy/common/dbdma.c diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/alchemy/common/dma.c similarity index 100% rename from arch/mips/au1000/common/dma.c rename to arch/mips/alchemy/common/dma.c diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/alchemy/common/gpio.c similarity index 100% rename from arch/mips/au1000/common/gpio.c rename to arch/mips/alchemy/common/gpio.c diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/alchemy/common/irq.c similarity index 100% rename from arch/mips/au1000/common/irq.c rename to arch/mips/alchemy/common/irq.c diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/alchemy/common/pci.c similarity index 100% rename from arch/mips/au1000/common/pci.c rename to arch/mips/alchemy/common/pci.c diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/alchemy/common/platform.c similarity index 100% rename from arch/mips/au1000/common/platform.c rename to arch/mips/alchemy/common/platform.c diff --git a/arch/mips/au1000/common/power.c b/arch/mips/alchemy/common/power.c similarity index 100% rename from arch/mips/au1000/common/power.c rename to arch/mips/alchemy/common/power.c diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/alchemy/common/prom.c similarity index 100% rename from arch/mips/au1000/common/prom.c rename to arch/mips/alchemy/common/prom.c diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/alchemy/common/puts.c similarity index 100% rename from arch/mips/au1000/common/puts.c rename to arch/mips/alchemy/common/puts.c diff --git a/arch/mips/au1000/common/reset.c b/arch/mips/alchemy/common/reset.c similarity index 100% rename from arch/mips/au1000/common/reset.c rename to arch/mips/alchemy/common/reset.c diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/alchemy/common/setup.c similarity index 100% rename from arch/mips/au1000/common/setup.c rename to arch/mips/alchemy/common/setup.c diff --git a/arch/mips/au1000/common/sleeper.S b/arch/mips/alchemy/common/sleeper.S similarity index 96% rename from arch/mips/au1000/common/sleeper.S rename to arch/mips/alchemy/common/sleeper.S index 4b3cf021a454..3006e270c8bc 100644 --- a/arch/mips/au1000/common/sleeper.S +++ b/arch/mips/alchemy/common/sleeper.S @@ -79,12 +79,12 @@ LEAF(save_and_sleep) /* Put SDRAM into self refresh. Preload instructions into cache, * issue a precharge, then auto refresh, then sleep commands to it. */ - la t0, sdsleep + la t0, sdsleep .set mips3 - cache 0x14, 0(t0) - cache 0x14, 32(t0) - cache 0x14, 64(t0) - cache 0x14, 96(t0) + cache 0x14, 0(t0) + cache 0x14, 32(t0) + cache 0x14, 64(t0) + cache 0x14, 96(t0) .set mips0 sdsleep: diff --git a/arch/mips/au1000/common/time.c b/arch/mips/alchemy/common/time.c similarity index 100% rename from arch/mips/au1000/common/time.c rename to arch/mips/alchemy/common/time.c diff --git a/arch/mips/au1000/db1x00/Makefile b/arch/mips/alchemy/db1x00/Makefile similarity index 100% rename from arch/mips/au1000/db1x00/Makefile rename to arch/mips/alchemy/db1x00/Makefile diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/alchemy/db1x00/board_setup.c similarity index 100% rename from arch/mips/au1000/db1x00/board_setup.c rename to arch/mips/alchemy/db1x00/board_setup.c diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/alchemy/db1x00/init.c similarity index 100% rename from arch/mips/au1000/db1x00/init.c rename to arch/mips/alchemy/db1x00/init.c diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/alchemy/db1x00/irqmap.c similarity index 100% rename from arch/mips/au1000/db1x00/irqmap.c rename to arch/mips/alchemy/db1x00/irqmap.c diff --git a/arch/mips/au1000/mtx-1/Makefile b/arch/mips/alchemy/mtx-1/Makefile similarity index 100% rename from arch/mips/au1000/mtx-1/Makefile rename to arch/mips/alchemy/mtx-1/Makefile diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c similarity index 100% rename from arch/mips/au1000/mtx-1/board_setup.c rename to arch/mips/alchemy/mtx-1/board_setup.c diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/alchemy/mtx-1/init.c similarity index 100% rename from arch/mips/au1000/mtx-1/init.c rename to arch/mips/alchemy/mtx-1/init.c diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/alchemy/mtx-1/irqmap.c similarity index 100% rename from arch/mips/au1000/mtx-1/irqmap.c rename to arch/mips/alchemy/mtx-1/irqmap.c diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c similarity index 100% rename from arch/mips/au1000/mtx-1/platform.c rename to arch/mips/alchemy/mtx-1/platform.c diff --git a/arch/mips/au1000/pb1000/Makefile b/arch/mips/alchemy/pb1000/Makefile similarity index 100% rename from arch/mips/au1000/pb1000/Makefile rename to arch/mips/alchemy/pb1000/Makefile diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/alchemy/pb1000/board_setup.c similarity index 100% rename from arch/mips/au1000/pb1000/board_setup.c rename to arch/mips/alchemy/pb1000/board_setup.c diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/alchemy/pb1000/init.c similarity index 100% rename from arch/mips/au1000/pb1000/init.c rename to arch/mips/alchemy/pb1000/init.c diff --git a/arch/mips/au1000/pb1000/irqmap.c b/arch/mips/alchemy/pb1000/irqmap.c similarity index 100% rename from arch/mips/au1000/pb1000/irqmap.c rename to arch/mips/alchemy/pb1000/irqmap.c diff --git a/arch/mips/au1000/pb1100/Makefile b/arch/mips/alchemy/pb1100/Makefile similarity index 100% rename from arch/mips/au1000/pb1100/Makefile rename to arch/mips/alchemy/pb1100/Makefile diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/alchemy/pb1100/board_setup.c similarity index 100% rename from arch/mips/au1000/pb1100/board_setup.c rename to arch/mips/alchemy/pb1100/board_setup.c diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/alchemy/pb1100/init.c similarity index 100% rename from arch/mips/au1000/pb1100/init.c rename to arch/mips/alchemy/pb1100/init.c diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/alchemy/pb1100/irqmap.c similarity index 100% rename from arch/mips/au1000/pb1100/irqmap.c rename to arch/mips/alchemy/pb1100/irqmap.c diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/alchemy/pb1200/Makefile similarity index 100% rename from arch/mips/au1000/pb1200/Makefile rename to arch/mips/alchemy/pb1200/Makefile diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/alchemy/pb1200/board_setup.c similarity index 100% rename from arch/mips/au1000/pb1200/board_setup.c rename to arch/mips/alchemy/pb1200/board_setup.c diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/alchemy/pb1200/init.c similarity index 100% rename from arch/mips/au1000/pb1200/init.c rename to arch/mips/alchemy/pb1200/init.c diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/alchemy/pb1200/irqmap.c similarity index 100% rename from arch/mips/au1000/pb1200/irqmap.c rename to arch/mips/alchemy/pb1200/irqmap.c diff --git a/arch/mips/au1000/pb1200/platform.c b/arch/mips/alchemy/pb1200/platform.c similarity index 100% rename from arch/mips/au1000/pb1200/platform.c rename to arch/mips/alchemy/pb1200/platform.c diff --git a/arch/mips/au1000/pb1500/Makefile b/arch/mips/alchemy/pb1500/Makefile similarity index 100% rename from arch/mips/au1000/pb1500/Makefile rename to arch/mips/alchemy/pb1500/Makefile diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/alchemy/pb1500/board_setup.c similarity index 100% rename from arch/mips/au1000/pb1500/board_setup.c rename to arch/mips/alchemy/pb1500/board_setup.c diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/alchemy/pb1500/init.c similarity index 100% rename from arch/mips/au1000/pb1500/init.c rename to arch/mips/alchemy/pb1500/init.c diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/alchemy/pb1500/irqmap.c similarity index 100% rename from arch/mips/au1000/pb1500/irqmap.c rename to arch/mips/alchemy/pb1500/irqmap.c diff --git a/arch/mips/au1000/pb1550/Makefile b/arch/mips/alchemy/pb1550/Makefile similarity index 100% rename from arch/mips/au1000/pb1550/Makefile rename to arch/mips/alchemy/pb1550/Makefile diff --git a/arch/mips/au1000/pb1550/board_setup.c b/arch/mips/alchemy/pb1550/board_setup.c similarity index 100% rename from arch/mips/au1000/pb1550/board_setup.c rename to arch/mips/alchemy/pb1550/board_setup.c diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/alchemy/pb1550/init.c similarity index 100% rename from arch/mips/au1000/pb1550/init.c rename to arch/mips/alchemy/pb1550/init.c diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/alchemy/pb1550/irqmap.c similarity index 100% rename from arch/mips/au1000/pb1550/irqmap.c rename to arch/mips/alchemy/pb1550/irqmap.c diff --git a/arch/mips/au1000/xxs1500/Makefile b/arch/mips/alchemy/xxs1500/Makefile similarity index 100% rename from arch/mips/au1000/xxs1500/Makefile rename to arch/mips/alchemy/xxs1500/Makefile diff --git a/arch/mips/au1000/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c similarity index 100% rename from arch/mips/au1000/xxs1500/board_setup.c rename to arch/mips/alchemy/xxs1500/board_setup.c diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/alchemy/xxs1500/init.c similarity index 100% rename from arch/mips/au1000/xxs1500/init.c rename to arch/mips/alchemy/xxs1500/init.c diff --git a/arch/mips/au1000/xxs1500/irqmap.c b/arch/mips/alchemy/xxs1500/irqmap.c similarity index 100% rename from arch/mips/au1000/xxs1500/irqmap.c rename to arch/mips/alchemy/xxs1500/irqmap.c -- GitLab From 384740dc49ea651ba350704d13ff6be9976e37fe Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 16 Sep 2008 19:48:51 +0200 Subject: [PATCH 3697/6244] MIPS: Move headfiles to new location below arch/mips/include Signed-off-by: Ralf Baechle --- arch/mips/Makefile | 84 +++++++++---------- .../asm-mips => arch/mips/include/asm}/Kbuild | 0 .../mips/include/asm}/a.out.h | 0 .../asm-mips => arch/mips/include/asm}/abi.h | 0 .../mips/include/asm}/addrspace.h | 0 .../asm-mips => arch/mips/include/asm}/asm.h | 0 .../mips/include/asm}/asmmacro-32.h | 0 .../mips/include/asm}/asmmacro-64.h | 0 .../mips/include/asm}/asmmacro.h | 0 .../mips/include/asm}/atomic.h | 0 .../mips/include/asm}/auxvec.h | 0 .../mips/include/asm}/barrier.h | 0 .../mips/include/asm}/bcache.h | 0 .../mips/include/asm}/bitops.h | 0 .../mips/include/asm}/bootinfo.h | 0 .../mips/include/asm}/branch.h | 0 .../mips/include/asm}/break.h | 0 .../asm-mips => arch/mips/include/asm}/bug.h | 0 .../asm-mips => arch/mips/include/asm}/bugs.h | 0 .../mips/include/asm}/byteorder.h | 0 .../mips/include/asm}/cache.h | 0 .../mips/include/asm}/cachectl.h | 0 .../mips/include/asm}/cacheflush.h | 0 .../mips/include/asm}/cacheops.h | 0 .../mips/include/asm}/checksum.h | 0 .../asm-mips => arch/mips/include/asm}/cmp.h | 0 .../mips/include/asm}/cmpxchg.h | 0 .../mips/include/asm}/compat-signal.h | 0 .../mips/include/asm}/compat.h | 0 .../mips/include/asm}/compiler.h | 0 .../mips/include/asm}/cpu-features.h | 0 .../mips/include/asm}/cpu-info.h | 0 .../asm-mips => arch/mips/include/asm}/cpu.h | 0 .../mips/include/asm}/cputime.h | 0 .../mips/include/asm}/current.h | 0 .../mips/include/asm}/debug.h | 0 .../mips/include/asm}/dec/ecc.h | 0 .../mips/include/asm}/dec/interrupts.h | 0 .../mips/include/asm}/dec/ioasic.h | 0 .../mips/include/asm}/dec/ioasic_addrs.h | 0 .../mips/include/asm}/dec/ioasic_ints.h | 0 .../mips/include/asm}/dec/kn01.h | 0 .../mips/include/asm}/dec/kn02.h | 0 .../mips/include/asm}/dec/kn02ba.h | 0 .../mips/include/asm}/dec/kn02ca.h | 0 .../mips/include/asm}/dec/kn02xa.h | 0 .../mips/include/asm}/dec/kn03.h | 0 .../mips/include/asm}/dec/kn05.h | 0 .../mips/include/asm}/dec/kn230.h | 0 .../mips/include/asm}/dec/machtype.h | 0 .../mips/include/asm}/dec/prom.h | 0 .../mips/include/asm}/dec/system.h | 0 .../mips/include/asm}/delay.h | 0 .../mips/include/asm}/device.h | 0 .../mips/include/asm}/div64.h | 0 .../mips/include/asm}/dma-mapping.h | 0 .../asm-mips => arch/mips/include/asm}/dma.h | 0 .../mips/include/asm}/ds1286.h | 0 .../mips/include/asm}/ds1287.h | 0 .../asm-mips => arch/mips/include/asm}/dsp.h | 0 .../asm-mips => arch/mips/include/asm}/edac.h | 0 .../asm-mips => arch/mips/include/asm}/elf.h | 0 .../mips/include/asm}/emergency-restart.h | 0 .../mips/include/asm}/emma2rh/emma2rh.h | 0 .../mips/include/asm}/emma2rh/markeins.h | 0 .../mips/include/asm}/errno.h | 0 .../asm-mips => arch/mips/include/asm}/fb.h | 0 .../mips/include/asm}/fcntl.h | 0 .../mips/include/asm}/fixmap.h | 0 .../mips/include/asm}/floppy.h | 0 .../mips/include/asm}/fpregdef.h | 0 .../asm-mips => arch/mips/include/asm}/fpu.h | 0 .../mips/include/asm}/fpu_emulator.h | 0 .../mips/include/asm}/futex.h | 0 .../mips/include/asm}/fw/arc/hinv.h | 0 .../mips/include/asm}/fw/arc/types.h | 0 .../mips/include/asm}/fw/cfe/cfe_api.h | 0 .../mips/include/asm}/fw/cfe/cfe_error.h | 0 .../mips/include/asm}/gcmpregs.h | 0 .../asm-mips => arch/mips/include/asm}/gic.h | 0 .../asm-mips => arch/mips/include/asm}/gpio.h | 0 .../mips/include/asm}/gt64120.h | 0 .../mips/include/asm}/hardirq.h | 0 .../mips/include/asm}/hazards.h | 0 .../mips/include/asm}/highmem.h | 0 .../mips/include/asm}/hw_irq.h | 0 .../mips/include/asm}/i8253.h | 0 .../mips/include/asm}/i8259.h | 0 .../asm-mips => arch/mips/include/asm}/ide.h | 0 .../asm-mips => arch/mips/include/asm}/inst.h | 0 .../asm-mips => arch/mips/include/asm}/io.h | 0 .../mips/include/asm}/ioctl.h | 0 .../mips/include/asm}/ioctls.h | 0 .../mips/include/asm}/ip32/crime.h | 0 .../mips/include/asm}/ip32/ip32_ints.h | 0 .../mips/include/asm}/ip32/mace.h | 0 .../mips/include/asm}/ipcbuf.h | 0 .../asm-mips => arch/mips/include/asm}/irq.h | 0 .../mips/include/asm}/irq_cpu.h | 0 .../mips/include/asm}/irq_gt641xx.h | 0 .../mips/include/asm}/irq_regs.h | 0 .../mips/include/asm}/irqflags.h | 0 .../mips/include/asm}/isadep.h | 0 .../asm-mips => arch/mips/include/asm}/jazz.h | 0 .../mips/include/asm}/jazzdma.h | 0 .../mips/include/asm}/kdebug.h | 0 .../mips/include/asm}/kexec.h | 0 .../asm-mips => arch/mips/include/asm}/kgdb.h | 0 .../mips/include/asm}/kmap_types.h | 0 .../asm-mips => arch/mips/include/asm}/kspd.h | 0 .../mips/include/asm}/lasat/ds1603.h | 0 .../mips/include/asm}/lasat/eeprom.h | 0 .../mips/include/asm}/lasat/head.h | 0 .../mips/include/asm}/lasat/lasat.h | 0 .../mips/include/asm}/lasat/lasatint.h | 0 .../mips/include/asm}/lasat/picvue.h | 0 .../mips/include/asm}/lasat/serial.h | 0 .../mips/include/asm}/linkage.h | 0 .../mips/include/asm}/local.h | 0 .../mips/include/asm}/m48t35.h | 0 .../mips/include/asm}/m48t37.h | 0 .../mips/include/asm}/mach-au1x00/au1000.h | 0 .../include/asm}/mach-au1x00/au1000_dma.h | 0 .../include/asm}/mach-au1x00/au1000_gpio.h | 0 .../include/asm}/mach-au1x00/au1100_mmc.h | 0 .../include/asm}/mach-au1x00/au1550_spi.h | 0 .../mips/include/asm}/mach-au1x00/au1xxx.h | 0 .../include/asm}/mach-au1x00/au1xxx_dbdma.h | 0 .../include/asm}/mach-au1x00/au1xxx_ide.h | 0 .../include/asm}/mach-au1x00/au1xxx_psc.h | 0 .../mips/include/asm}/mach-au1x00/gpio.h | 0 .../mips/include/asm}/mach-au1x00/ioremap.h | 0 .../mips/include/asm}/mach-au1x00/prom.h | 0 .../mips/include/asm}/mach-au1x00/war.h | 0 .../mips/include/asm}/mach-bcm47xx/bcm47xx.h | 0 .../mips/include/asm}/mach-bcm47xx/gpio.h | 0 .../mips/include/asm}/mach-bcm47xx/war.h | 0 .../mips/include/asm}/mach-cobalt/cobalt.h | 0 .../asm}/mach-cobalt/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-cobalt/irq.h | 0 .../include/asm}/mach-cobalt/mach-gt64120.h | 0 .../mips/include/asm}/mach-cobalt/war.h | 0 .../mips/include/asm}/mach-db1x00/db1200.h | 0 .../mips/include/asm}/mach-db1x00/db1x00.h | 0 .../mips/include/asm}/mach-dec/mc146818rtc.h | 0 .../mips/include/asm}/mach-dec/war.h | 0 .../mips/include/asm}/mach-emma2rh/irq.h | 0 .../mips/include/asm}/mach-emma2rh/war.h | 0 .../asm}/mach-excite/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-excite/excite.h | 0 .../include/asm}/mach-excite/excite_fpga.h | 0 .../asm}/mach-excite/excite_nandflash.h | 0 .../mips/include/asm}/mach-excite/rm9k_eth.h | 0 .../mips/include/asm}/mach-excite/rm9k_wdt.h | 0 .../include/asm}/mach-excite/rm9k_xicap.h | 0 .../mips/include/asm}/mach-excite/war.h | 0 .../asm}/mach-generic/cpu-feature-overrides.h | 0 .../include/asm}/mach-generic/dma-coherence.h | 0 .../mips/include/asm}/mach-generic/floppy.h | 0 .../mips/include/asm}/mach-generic/gpio.h | 0 .../mips/include/asm}/mach-generic/ide.h | 0 .../mips/include/asm}/mach-generic/ioremap.h | 0 .../mips/include/asm}/mach-generic/irq.h | 0 .../asm}/mach-generic/kernel-entry-init.h | 0 .../mips/include/asm}/mach-generic/kmalloc.h | 0 .../include/asm}/mach-generic/mangle-port.h | 0 .../include/asm}/mach-generic/mc146818rtc.h | 0 .../mips/include/asm}/mach-generic/spaces.h | 0 .../mips/include/asm}/mach-generic/topology.h | 0 .../asm}/mach-ip22/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-ip22/ds1286.h | 0 .../mips/include/asm}/mach-ip22/spaces.h | 0 .../mips/include/asm}/mach-ip22/war.h | 0 .../asm}/mach-ip27/cpu-feature-overrides.h | 0 .../include/asm}/mach-ip27/dma-coherence.h | 0 .../mips/include/asm}/mach-ip27/irq.h | 0 .../asm}/mach-ip27/kernel-entry-init.h | 0 .../mips/include/asm}/mach-ip27/kmalloc.h | 0 .../mips/include/asm}/mach-ip27/mangle-port.h | 0 .../mips/include/asm}/mach-ip27/mmzone.h | 0 .../mips/include/asm}/mach-ip27/spaces.h | 0 .../mips/include/asm}/mach-ip27/topology.h | 0 .../mips/include/asm}/mach-ip27/war.h | 0 .../asm}/mach-ip28/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-ip28/ds1286.h | 0 .../mips/include/asm}/mach-ip28/spaces.h | 0 .../mips/include/asm}/mach-ip28/war.h | 0 .../asm}/mach-ip32/cpu-feature-overrides.h | 0 .../include/asm}/mach-ip32/dma-coherence.h | 0 .../mips/include/asm}/mach-ip32/kmalloc.h | 0 .../mips/include/asm}/mach-ip32/mangle-port.h | 0 .../mips/include/asm}/mach-ip32/mc146818rtc.h | 0 .../mips/include/asm}/mach-ip32/war.h | 0 .../include/asm}/mach-jazz/dma-coherence.h | 0 .../mips/include/asm}/mach-jazz/floppy.h | 0 .../mips/include/asm}/mach-jazz/mc146818rtc.h | 0 .../mips/include/asm}/mach-jazz/war.h | 0 .../mips/include/asm}/mach-lasat/irq.h | 0 .../include/asm}/mach-lasat/mach-gt64120.h | 0 .../mips/include/asm}/mach-lasat/war.h | 0 .../include/asm}/mach-lemote/dma-coherence.h | 0 .../include/asm}/mach-lemote/mc146818rtc.h | 0 .../mips/include/asm}/mach-lemote/war.h | 0 .../asm}/mach-malta/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-malta/irq.h | 0 .../asm}/mach-malta/kernel-entry-init.h | 0 .../include/asm}/mach-malta/mach-gt64120.h | 0 .../include/asm}/mach-malta/mc146818rtc.h | 0 .../mips/include/asm}/mach-malta/war.h | 0 .../asm}/mach-mipssim/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-mipssim/war.h | 0 .../include/asm}/mach-pb1x00/mc146818rtc.h | 0 .../mips/include/asm}/mach-pb1x00/pb1000.h | 0 .../mips/include/asm}/mach-pb1x00/pb1100.h | 0 .../mips/include/asm}/mach-pb1x00/pb1200.h | 0 .../mips/include/asm}/mach-pb1x00/pb1500.h | 0 .../mips/include/asm}/mach-pb1x00/pb1550.h | 0 .../mips/include/asm}/mach-pnx8550/cm.h | 0 .../mips/include/asm}/mach-pnx8550/glb.h | 0 .../mips/include/asm}/mach-pnx8550/int.h | 0 .../asm}/mach-pnx8550/kernel-entry-init.h | 0 .../mips/include/asm}/mach-pnx8550/nand.h | 0 .../mips/include/asm}/mach-pnx8550/pci.h | 0 .../mips/include/asm}/mach-pnx8550/uart.h | 0 .../mips/include/asm}/mach-pnx8550/usb.h | 0 .../mips/include/asm}/mach-pnx8550/war.h | 0 .../asm}/mach-rc32434/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-rc32434/ddr.h | 0 .../mips/include/asm}/mach-rc32434/dma.h | 0 .../mips/include/asm}/mach-rc32434/dma_v.h | 0 .../mips/include/asm}/mach-rc32434/eth.h | 0 .../mips/include/asm}/mach-rc32434/gpio.h | 0 .../mips/include/asm}/mach-rc32434/integ.h | 0 .../mips/include/asm}/mach-rc32434/irq.h | 0 .../mips/include/asm}/mach-rc32434/pci.h | 0 .../mips/include/asm}/mach-rc32434/prom.h | 0 .../mips/include/asm}/mach-rc32434/rb.h | 0 .../mips/include/asm}/mach-rc32434/rc32434.h | 0 .../mips/include/asm}/mach-rc32434/timer.h | 0 .../mips/include/asm}/mach-rc32434/war.h | 0 .../asm}/mach-rm/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-rm/mc146818rtc.h | 0 .../mips/include/asm}/mach-rm/war.h | 0 .../asm}/mach-sibyte/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-sibyte/war.h | 0 .../mips/include/asm}/mach-tx39xx/ioremap.h | 0 .../include/asm}/mach-tx39xx/mangle-port.h | 0 .../mips/include/asm}/mach-tx39xx/war.h | 0 .../asm}/mach-tx49xx/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-tx49xx/ioremap.h | 0 .../mips/include/asm}/mach-tx49xx/kmalloc.h | 0 .../mips/include/asm}/mach-tx49xx/war.h | 0 .../mips/include/asm}/mach-vr41xx/irq.h | 0 .../mips/include/asm}/mach-vr41xx/war.h | 0 .../include/asm}/mach-wrppmc/mach-gt64120.h | 0 .../mips/include/asm}/mach-wrppmc/war.h | 0 .../mach-yosemite/cpu-feature-overrides.h | 0 .../mips/include/asm}/mach-yosemite/war.h | 0 .../mips/include/asm}/mc146818-time.h | 0 .../mips/include/asm}/mc146818rtc.h | 0 .../mips/include/asm}/mips-boards/bonito64.h | 0 .../mips/include/asm}/mips-boards/generic.h | 0 .../mips/include/asm}/mips-boards/launch.h | 0 .../mips/include/asm}/mips-boards/malta.h | 0 .../mips/include/asm}/mips-boards/maltaint.h | 0 .../mips/include/asm}/mips-boards/msc01_pci.h | 0 .../mips/include/asm}/mips-boards/piix4.h | 0 .../mips/include/asm}/mips-boards/prom.h | 0 .../mips/include/asm}/mips-boards/sim.h | 0 .../mips/include/asm}/mips-boards/simint.h | 0 .../mips/include/asm}/mips_mt.h | 0 .../mips/include/asm}/mipsmtregs.h | 0 .../mips/include/asm}/mipsprom.h | 0 .../mips/include/asm}/mipsregs.h | 0 .../asm-mips => arch/mips/include/asm}/mman.h | 0 .../asm-mips => arch/mips/include/asm}/mmu.h | 0 .../mips/include/asm}/mmu_context.h | 8 +- .../mips/include/asm}/mmzone.h | 0 .../mips/include/asm}/module.h | 0 .../mips/include/asm}/msc01_ic.h | 0 .../mips/include/asm}/msgbuf.h | 0 .../mips/include/asm}/mutex.h | 0 .../mips/include/asm}/nile4.h | 0 .../mips/include/asm}/paccess.h | 0 .../asm-mips => arch/mips/include/asm}/page.h | 0 .../mips/include/asm}/param.h | 0 .../mips/include/asm}/parport.h | 0 .../asm-mips => arch/mips/include/asm}/pci.h | 0 .../mips/include/asm}/pci/bridge.h | 0 .../mips/include/asm}/percpu.h | 0 .../mips/include/asm}/pgalloc.h | 0 .../mips/include/asm}/pgtable-32.h | 0 .../mips/include/asm}/pgtable-64.h | 0 .../mips/include/asm}/pgtable-bits.h | 0 .../mips/include/asm}/pgtable.h | 0 .../include/asm}/pmc-sierra/msp71xx/gpio.h | 0 .../asm}/pmc-sierra/msp71xx/msp_cic_int.h | 0 .../include/asm}/pmc-sierra/msp71xx/msp_int.h | 0 .../include/asm}/pmc-sierra/msp71xx/msp_pci.h | 0 .../asm}/pmc-sierra/msp71xx/msp_prom.h | 0 .../asm}/pmc-sierra/msp71xx/msp_regops.h | 0 .../asm}/pmc-sierra/msp71xx/msp_regs.h | 0 .../asm}/pmc-sierra/msp71xx/msp_slp_int.h | 0 .../include/asm}/pmc-sierra/msp71xx/war.h | 0 .../asm-mips => arch/mips/include/asm}/pmon.h | 0 .../asm-mips => arch/mips/include/asm}/poll.h | 0 .../mips/include/asm}/posix_types.h | 0 .../mips/include/asm}/prefetch.h | 0 .../mips/include/asm}/processor.h | 0 .../mips/include/asm}/ptrace.h | 0 .../mips/include/asm}/r4k-timer.h | 0 .../mips/include/asm}/r4kcache.h | 0 .../mips/include/asm}/reboot.h | 0 .../asm-mips => arch/mips/include/asm}/reg.h | 0 .../mips/include/asm}/regdef.h | 0 .../mips/include/asm}/resource.h | 0 .../mips/include/asm}/rm9k-ocd.h | 0 .../asm-mips => arch/mips/include/asm}/rtlx.h | 0 .../mips/include/asm}/scatterlist.h | 0 .../mips/include/asm}/seccomp.h | 0 .../mips/include/asm}/sections.h | 0 .../mips/include/asm}/segment.h | 0 .../mips/include/asm}/sembuf.h | 0 .../mips/include/asm}/serial.h | 0 .../mips/include/asm}/setup.h | 0 .../mips/include/asm}/sgi/gio.h | 0 .../mips/include/asm}/sgi/hpc3.h | 0 .../mips/include/asm}/sgi/ioc.h | 0 .../mips/include/asm}/sgi/ip22.h | 0 .../mips/include/asm}/sgi/mc.h | 0 .../mips/include/asm}/sgi/pi1.h | 0 .../mips/include/asm}/sgi/seeq.h | 0 .../mips/include/asm}/sgi/sgi.h | 0 .../mips/include/asm}/sgi/wd.h | 0 .../mips/include/asm}/sgialib.h | 0 .../mips/include/asm}/sgiarcs.h | 0 .../mips/include/asm}/sgidefs.h | 0 .../mips/include/asm}/shmbuf.h | 0 .../mips/include/asm}/shmparam.h | 0 .../mips/include/asm}/sibyte/bcm1480_int.h | 0 .../mips/include/asm}/sibyte/bcm1480_l2c.h | 0 .../mips/include/asm}/sibyte/bcm1480_mc.h | 0 .../mips/include/asm}/sibyte/bcm1480_regs.h | 0 .../mips/include/asm}/sibyte/bcm1480_scd.h | 0 .../mips/include/asm}/sibyte/bigsur.h | 0 .../mips/include/asm}/sibyte/board.h | 0 .../mips/include/asm}/sibyte/carmel.h | 0 .../mips/include/asm}/sibyte/sb1250.h | 0 .../mips/include/asm}/sibyte/sb1250_defs.h | 0 .../mips/include/asm}/sibyte/sb1250_dma.h | 0 .../mips/include/asm}/sibyte/sb1250_genbus.h | 0 .../mips/include/asm}/sibyte/sb1250_int.h | 0 .../mips/include/asm}/sibyte/sb1250_l2c.h | 0 .../mips/include/asm}/sibyte/sb1250_ldt.h | 0 .../mips/include/asm}/sibyte/sb1250_mac.h | 0 .../mips/include/asm}/sibyte/sb1250_mc.h | 0 .../mips/include/asm}/sibyte/sb1250_regs.h | 0 .../mips/include/asm}/sibyte/sb1250_scd.h | 0 .../mips/include/asm}/sibyte/sb1250_smbus.h | 0 .../mips/include/asm}/sibyte/sb1250_syncser.h | 0 .../mips/include/asm}/sibyte/sb1250_uart.h | 0 .../mips/include/asm}/sibyte/sentosa.h | 0 .../mips/include/asm}/sibyte/swarm.h | 0 .../mips/include/asm}/sigcontext.h | 0 .../mips/include/asm}/siginfo.h | 0 .../mips/include/asm}/signal.h | 0 .../asm-mips => arch/mips/include/asm}/sim.h | 0 .../mips/include/asm}/smp-ops.h | 0 .../asm-mips => arch/mips/include/asm}/smp.h | 0 .../asm-mips => arch/mips/include/asm}/smtc.h | 0 .../mips/include/asm}/smtc_ipi.h | 0 .../mips/include/asm}/smtc_proc.h | 0 .../asm-mips => arch/mips/include/asm}/smvp.h | 0 .../mips/include/asm}/sn/addrs.h | 0 .../mips/include/asm}/sn/agent.h | 0 .../mips/include/asm}/sn/arch.h | 0 .../mips/include/asm}/sn/fru.h | 0 .../mips/include/asm}/sn/gda.h | 0 .../mips/include/asm}/sn/hub.h | 0 .../mips/include/asm}/sn/intr.h | 0 .../mips/include/asm}/sn/io.h | 0 .../mips/include/asm}/sn/ioc3.h | 0 .../mips/include/asm}/sn/klconfig.h | 36 ++++---- .../mips/include/asm}/sn/kldir.h | 0 .../mips/include/asm}/sn/klkernvars.h | 0 .../mips/include/asm}/sn/launch.h | 0 .../mips/include/asm}/sn/mapped_kernel.h | 0 .../mips/include/asm}/sn/nmi.h | 0 .../mips/include/asm}/sn/sn0/addrs.h | 0 .../mips/include/asm}/sn/sn0/arch.h | 0 .../mips/include/asm}/sn/sn0/hub.h | 0 .../mips/include/asm}/sn/sn0/hubio.h | 36 ++++---- .../mips/include/asm}/sn/sn0/hubmd.h | 0 .../mips/include/asm}/sn/sn0/hubni.h | 0 .../mips/include/asm}/sn/sn0/hubpi.h | 0 .../mips/include/asm}/sn/sn0/ip27.h | 0 .../mips/include/asm}/sn/sn_private.h | 0 .../mips/include/asm}/sn/types.h | 0 .../asm-mips => arch/mips/include/asm}/sni.h | 0 .../mips/include/asm}/socket.h | 0 .../mips/include/asm}/sockios.h | 0 .../mips/include/asm}/sparsemem.h | 0 .../mips/include/asm}/spinlock.h | 0 .../mips/include/asm}/spinlock_types.h | 0 .../mips/include/asm}/stackframe.h | 0 .../mips/include/asm}/stacktrace.h | 0 .../asm-mips => arch/mips/include/asm}/stat.h | 0 .../mips/include/asm}/statfs.h | 0 .../mips/include/asm}/string.h | 0 .../mips/include/asm}/suspend.h | 0 .../mips/include/asm}/sysmips.h | 0 .../mips/include/asm}/system.h | 0 .../mips/include/asm}/termbits.h | 0 .../mips/include/asm}/termios.h | 0 .../mips/include/asm}/thread_info.h | 0 .../asm-mips => arch/mips/include/asm}/time.h | 0 .../mips/include/asm}/timex.h | 0 .../mips/include/asm}/titan_dep.h | 0 .../asm-mips => arch/mips/include/asm}/tlb.h | 0 .../mips/include/asm}/tlbdebug.h | 0 .../mips/include/asm}/tlbflush.h | 0 .../mips/include/asm}/topology.h | 0 .../mips/include/asm}/traps.h | 0 .../mips/include/asm}/txx9/boards.h | 0 .../mips/include/asm}/txx9/generic.h | 0 .../mips/include/asm}/txx9/jmr3927.h | 0 .../mips/include/asm}/txx9/pci.h | 0 .../mips/include/asm}/txx9/rbtx4927.h | 0 .../mips/include/asm}/txx9/rbtx4938.h | 0 .../mips/include/asm}/txx9/rbtx4939.h | 0 .../mips/include/asm}/txx9/smsc_fdc37m81x.h | 0 .../mips/include/asm}/txx9/spi.h | 0 .../mips/include/asm}/txx9/tx3927.h | 0 .../mips/include/asm}/txx9/tx4927.h | 0 .../mips/include/asm}/txx9/tx4927pcic.h | 0 .../mips/include/asm}/txx9/tx4938.h | 0 .../mips/include/asm}/txx9/tx4939.h | 0 .../mips/include/asm}/txx9irq.h | 0 .../mips/include/asm}/txx9pio.h | 0 .../mips/include/asm}/txx9tmr.h | 0 .../mips/include/asm}/types.h | 0 .../mips/include/asm}/uaccess.h | 0 .../mips/include/asm}/ucontext.h | 0 .../mips/include/asm}/unaligned.h | 0 .../mips/include/asm}/unistd.h | 0 .../asm-mips => arch/mips/include/asm}/user.h | 0 .../asm-mips => arch/mips/include/asm}/vga.h | 0 .../asm-mips => arch/mips/include/asm}/vpe.h | 0 .../mips/include/asm}/vr41xx/capcella.h | 0 .../mips/include/asm}/vr41xx/giu.h | 0 .../mips/include/asm}/vr41xx/irq.h | 0 .../mips/include/asm}/vr41xx/mpc30x.h | 0 .../mips/include/asm}/vr41xx/pci.h | 0 .../mips/include/asm}/vr41xx/siu.h | 0 .../mips/include/asm}/vr41xx/tb0219.h | 0 .../mips/include/asm}/vr41xx/tb0226.h | 0 .../mips/include/asm}/vr41xx/tb0287.h | 0 .../mips/include/asm}/vr41xx/vr41xx.h | 0 .../asm-mips => arch/mips/include/asm}/war.h | 0 .../mips/include/asm}/wbflush.h | 0 .../asm-mips => arch/mips/include/asm}/xor.h | 0 .../mips/include/asm}/xtalk/xtalk.h | 0 .../mips/include/asm}/xtalk/xwidget.h | 0 463 files changed, 82 insertions(+), 82 deletions(-) rename {include/asm-mips => arch/mips/include/asm}/Kbuild (100%) rename {include/asm-mips => arch/mips/include/asm}/a.out.h (100%) rename {include/asm-mips => arch/mips/include/asm}/abi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/addrspace.h (100%) rename {include/asm-mips => arch/mips/include/asm}/asm.h (100%) rename {include/asm-mips => arch/mips/include/asm}/asmmacro-32.h (100%) rename {include/asm-mips => arch/mips/include/asm}/asmmacro-64.h (100%) rename {include/asm-mips => arch/mips/include/asm}/asmmacro.h (100%) rename {include/asm-mips => arch/mips/include/asm}/atomic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/auxvec.h (100%) rename {include/asm-mips => arch/mips/include/asm}/barrier.h (100%) rename {include/asm-mips => arch/mips/include/asm}/bcache.h (100%) rename {include/asm-mips => arch/mips/include/asm}/bitops.h (100%) rename {include/asm-mips => arch/mips/include/asm}/bootinfo.h (100%) rename {include/asm-mips => arch/mips/include/asm}/branch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/break.h (100%) rename {include/asm-mips => arch/mips/include/asm}/bug.h (100%) rename {include/asm-mips => arch/mips/include/asm}/bugs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/byteorder.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cache.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cachectl.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cacheflush.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cacheops.h (100%) rename {include/asm-mips => arch/mips/include/asm}/checksum.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cmp.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cmpxchg.h (100%) rename {include/asm-mips => arch/mips/include/asm}/compat-signal.h (100%) rename {include/asm-mips => arch/mips/include/asm}/compat.h (100%) rename {include/asm-mips => arch/mips/include/asm}/compiler.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cpu-features.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cpu-info.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cpu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/cputime.h (100%) rename {include/asm-mips => arch/mips/include/asm}/current.h (100%) rename {include/asm-mips => arch/mips/include/asm}/debug.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/ecc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/interrupts.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/ioasic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/ioasic_addrs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/ioasic_ints.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn01.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn02.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn02ba.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn02ca.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn02xa.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn03.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn05.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/kn230.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/machtype.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/prom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dec/system.h (100%) rename {include/asm-mips => arch/mips/include/asm}/delay.h (100%) rename {include/asm-mips => arch/mips/include/asm}/device.h (100%) rename {include/asm-mips => arch/mips/include/asm}/div64.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dma-mapping.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ds1286.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ds1287.h (100%) rename {include/asm-mips => arch/mips/include/asm}/dsp.h (100%) rename {include/asm-mips => arch/mips/include/asm}/edac.h (100%) rename {include/asm-mips => arch/mips/include/asm}/elf.h (100%) rename {include/asm-mips => arch/mips/include/asm}/emergency-restart.h (100%) rename {include/asm-mips => arch/mips/include/asm}/emma2rh/emma2rh.h (100%) rename {include/asm-mips => arch/mips/include/asm}/emma2rh/markeins.h (100%) rename {include/asm-mips => arch/mips/include/asm}/errno.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fcntl.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fixmap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/floppy.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fpregdef.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fpu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fpu_emulator.h (100%) rename {include/asm-mips => arch/mips/include/asm}/futex.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fw/arc/hinv.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fw/arc/types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fw/cfe/cfe_api.h (100%) rename {include/asm-mips => arch/mips/include/asm}/fw/cfe/cfe_error.h (100%) rename {include/asm-mips => arch/mips/include/asm}/gcmpregs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/gic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/gt64120.h (100%) rename {include/asm-mips => arch/mips/include/asm}/hardirq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/hazards.h (100%) rename {include/asm-mips => arch/mips/include/asm}/highmem.h (100%) rename {include/asm-mips => arch/mips/include/asm}/hw_irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/i8253.h (100%) rename {include/asm-mips => arch/mips/include/asm}/i8259.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ide.h (100%) rename {include/asm-mips => arch/mips/include/asm}/inst.h (100%) rename {include/asm-mips => arch/mips/include/asm}/io.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ioctl.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ioctls.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ip32/crime.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ip32/ip32_ints.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ip32/mace.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ipcbuf.h (100%) rename {include/asm-mips => arch/mips/include/asm}/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/irq_cpu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/irq_gt641xx.h (100%) rename {include/asm-mips => arch/mips/include/asm}/irq_regs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/irqflags.h (100%) rename {include/asm-mips => arch/mips/include/asm}/isadep.h (100%) rename {include/asm-mips => arch/mips/include/asm}/jazz.h (100%) rename {include/asm-mips => arch/mips/include/asm}/jazzdma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/kdebug.h (100%) rename {include/asm-mips => arch/mips/include/asm}/kexec.h (100%) rename {include/asm-mips => arch/mips/include/asm}/kgdb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/kmap_types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/kspd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/ds1603.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/eeprom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/head.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/lasat.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/lasatint.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/picvue.h (100%) rename {include/asm-mips => arch/mips/include/asm}/lasat/serial.h (100%) rename {include/asm-mips => arch/mips/include/asm}/linkage.h (100%) rename {include/asm-mips => arch/mips/include/asm}/local.h (100%) rename {include/asm-mips => arch/mips/include/asm}/m48t35.h (100%) rename {include/asm-mips => arch/mips/include/asm}/m48t37.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1000.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1000_dma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1000_gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1100_mmc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1550_spi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1xxx.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1xxx_dbdma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1xxx_ide.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/au1xxx_psc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/ioremap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/prom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-au1x00/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-bcm47xx/bcm47xx.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-bcm47xx/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-bcm47xx/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-cobalt/cobalt.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-cobalt/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-cobalt/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-cobalt/mach-gt64120.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-cobalt/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-db1x00/db1200.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-db1x00/db1x00.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-dec/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-dec/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-emma2rh/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-emma2rh/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/excite.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/excite_fpga.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/excite_nandflash.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/rm9k_eth.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/rm9k_wdt.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/rm9k_xicap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-excite/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/dma-coherence.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/floppy.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/ide.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/ioremap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/kernel-entry-init.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/kmalloc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/mangle-port.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/spaces.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-generic/topology.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip22/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip22/ds1286.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip22/spaces.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip22/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/dma-coherence.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/kernel-entry-init.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/kmalloc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/mangle-port.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/mmzone.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/spaces.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/topology.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip27/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip28/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip28/ds1286.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip28/spaces.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip28/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/dma-coherence.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/kmalloc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/mangle-port.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-ip32/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-jazz/dma-coherence.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-jazz/floppy.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-jazz/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-jazz/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lasat/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lasat/mach-gt64120.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lasat/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lemote/dma-coherence.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lemote/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-lemote/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/kernel-entry-init.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/mach-gt64120.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-malta/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-mipssim/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-mipssim/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/pb1000.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/pb1100.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/pb1200.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/pb1500.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pb1x00/pb1550.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/cm.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/glb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/kernel-entry-init.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/nand.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/uart.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/usb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-pnx8550/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/ddr.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/dma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/dma_v.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/eth.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/integ.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/prom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/rb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/rc32434.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/timer.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rc32434/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rm/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rm/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-rm/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-sibyte/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-sibyte/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx39xx/ioremap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx39xx/mangle-port.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx39xx/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx49xx/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx49xx/ioremap.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx49xx/kmalloc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-tx49xx/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-vr41xx/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-vr41xx/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-wrppmc/mach-gt64120.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-wrppmc/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-yosemite/cpu-feature-overrides.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mach-yosemite/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mc146818-time.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mc146818rtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/bonito64.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/generic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/launch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/malta.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/maltaint.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/msc01_pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/piix4.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/prom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/sim.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips-boards/simint.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mips_mt.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mipsmtregs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mipsprom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mipsregs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mman.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mmu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mmu_context.h (97%) rename {include/asm-mips => arch/mips/include/asm}/mmzone.h (100%) rename {include/asm-mips => arch/mips/include/asm}/module.h (100%) rename {include/asm-mips => arch/mips/include/asm}/msc01_ic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/msgbuf.h (100%) rename {include/asm-mips => arch/mips/include/asm}/mutex.h (100%) rename {include/asm-mips => arch/mips/include/asm}/nile4.h (100%) rename {include/asm-mips => arch/mips/include/asm}/paccess.h (100%) rename {include/asm-mips => arch/mips/include/asm}/page.h (100%) rename {include/asm-mips => arch/mips/include/asm}/param.h (100%) rename {include/asm-mips => arch/mips/include/asm}/parport.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pci/bridge.h (100%) rename {include/asm-mips => arch/mips/include/asm}/percpu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pgalloc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pgtable-32.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pgtable-64.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pgtable-bits.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pgtable.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/gpio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_cic_int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_prom.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_regops.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_regs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/msp_slp_int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmc-sierra/msp71xx/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/pmon.h (100%) rename {include/asm-mips => arch/mips/include/asm}/poll.h (100%) rename {include/asm-mips => arch/mips/include/asm}/posix_types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/prefetch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/processor.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ptrace.h (100%) rename {include/asm-mips => arch/mips/include/asm}/r4k-timer.h (100%) rename {include/asm-mips => arch/mips/include/asm}/r4kcache.h (100%) rename {include/asm-mips => arch/mips/include/asm}/reboot.h (100%) rename {include/asm-mips => arch/mips/include/asm}/reg.h (100%) rename {include/asm-mips => arch/mips/include/asm}/regdef.h (100%) rename {include/asm-mips => arch/mips/include/asm}/resource.h (100%) rename {include/asm-mips => arch/mips/include/asm}/rm9k-ocd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/rtlx.h (100%) rename {include/asm-mips => arch/mips/include/asm}/scatterlist.h (100%) rename {include/asm-mips => arch/mips/include/asm}/seccomp.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sections.h (100%) rename {include/asm-mips => arch/mips/include/asm}/segment.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sembuf.h (100%) rename {include/asm-mips => arch/mips/include/asm}/serial.h (100%) rename {include/asm-mips => arch/mips/include/asm}/setup.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/gio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/hpc3.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/ioc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/ip22.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/mc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/pi1.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/seeq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/sgi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgi/wd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgialib.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgiarcs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sgidefs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/shmbuf.h (100%) rename {include/asm-mips => arch/mips/include/asm}/shmparam.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bcm1480_int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bcm1480_l2c.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bcm1480_mc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bcm1480_regs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bcm1480_scd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/bigsur.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/board.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/carmel.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_defs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_dma.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_genbus.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_int.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_l2c.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_ldt.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_mac.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_mc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_regs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_scd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_smbus.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_syncser.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sb1250_uart.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/sentosa.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sibyte/swarm.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sigcontext.h (100%) rename {include/asm-mips => arch/mips/include/asm}/siginfo.h (100%) rename {include/asm-mips => arch/mips/include/asm}/signal.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sim.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smp-ops.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smp.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smtc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smtc_ipi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smtc_proc.h (100%) rename {include/asm-mips => arch/mips/include/asm}/smvp.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/addrs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/agent.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/arch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/fru.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/gda.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/hub.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/intr.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/io.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/ioc3.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/klconfig.h (96%) rename {include/asm-mips => arch/mips/include/asm}/sn/kldir.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/klkernvars.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/launch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/mapped_kernel.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/nmi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/addrs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/arch.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/hub.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/hubio.h (96%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/hubmd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/hubni.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/hubpi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn0/ip27.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/sn_private.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sn/types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sni.h (100%) rename {include/asm-mips => arch/mips/include/asm}/socket.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sockios.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sparsemem.h (100%) rename {include/asm-mips => arch/mips/include/asm}/spinlock.h (100%) rename {include/asm-mips => arch/mips/include/asm}/spinlock_types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/stackframe.h (100%) rename {include/asm-mips => arch/mips/include/asm}/stacktrace.h (100%) rename {include/asm-mips => arch/mips/include/asm}/stat.h (100%) rename {include/asm-mips => arch/mips/include/asm}/statfs.h (100%) rename {include/asm-mips => arch/mips/include/asm}/string.h (100%) rename {include/asm-mips => arch/mips/include/asm}/suspend.h (100%) rename {include/asm-mips => arch/mips/include/asm}/sysmips.h (100%) rename {include/asm-mips => arch/mips/include/asm}/system.h (100%) rename {include/asm-mips => arch/mips/include/asm}/termbits.h (100%) rename {include/asm-mips => arch/mips/include/asm}/termios.h (100%) rename {include/asm-mips => arch/mips/include/asm}/thread_info.h (100%) rename {include/asm-mips => arch/mips/include/asm}/time.h (100%) rename {include/asm-mips => arch/mips/include/asm}/timex.h (100%) rename {include/asm-mips => arch/mips/include/asm}/titan_dep.h (100%) rename {include/asm-mips => arch/mips/include/asm}/tlb.h (100%) rename {include/asm-mips => arch/mips/include/asm}/tlbdebug.h (100%) rename {include/asm-mips => arch/mips/include/asm}/tlbflush.h (100%) rename {include/asm-mips => arch/mips/include/asm}/topology.h (100%) rename {include/asm-mips => arch/mips/include/asm}/traps.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/boards.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/generic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/jmr3927.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/rbtx4927.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/rbtx4938.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/rbtx4939.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/smsc_fdc37m81x.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/spi.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/tx3927.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/tx4927.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/tx4927pcic.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/tx4938.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9/tx4939.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9pio.h (100%) rename {include/asm-mips => arch/mips/include/asm}/txx9tmr.h (100%) rename {include/asm-mips => arch/mips/include/asm}/types.h (100%) rename {include/asm-mips => arch/mips/include/asm}/uaccess.h (100%) rename {include/asm-mips => arch/mips/include/asm}/ucontext.h (100%) rename {include/asm-mips => arch/mips/include/asm}/unaligned.h (100%) rename {include/asm-mips => arch/mips/include/asm}/unistd.h (100%) rename {include/asm-mips => arch/mips/include/asm}/user.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vga.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vpe.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/capcella.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/giu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/irq.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/mpc30x.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/pci.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/siu.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/tb0219.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/tb0226.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/tb0287.h (100%) rename {include/asm-mips => arch/mips/include/asm}/vr41xx/vr41xx.h (100%) rename {include/asm-mips => arch/mips/include/asm}/war.h (100%) rename {include/asm-mips => arch/mips/include/asm}/wbflush.h (100%) rename {include/asm-mips => arch/mips/include/asm}/xor.h (100%) rename {include/asm-mips => arch/mips/include/asm}/xtalk/xtalk.h (100%) rename {include/asm-mips => arch/mips/include/asm}/xtalk/xwidget.h (100%) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 4401a0c1278c..7f39fd8a91fe 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -170,97 +170,97 @@ libs-$(CONFIG_SIBYTE_CFE) += arch/mips/sibyte/cfe/ # Acer PICA 61, Mips Magnum 4000 and Olivetti M700. # core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/ -cflags-$(CONFIG_MACH_JAZZ) += -Iinclude/asm-mips/mach-jazz +cflags-$(CONFIG_MACH_JAZZ) += -I$(srctree)/arch/mips/include/asm/mach-jazz load-$(CONFIG_MACH_JAZZ) += 0xffffffff80080000 # # Common Alchemy Au1x00 stuff # core-$(CONFIG_SOC_AU1X00) += arch/mips/alchemy/common/ -cflags-$(CONFIG_SOC_AU1X00) += -Iinclude/asm-mips/mach-au1x00 +cflags-$(CONFIG_SOC_AU1X00) += -I$(srctree)/arch/mips/include/asm/mach-au1x00 # # AMD Alchemy Pb1000 eval board # libs-$(CONFIG_MIPS_PB1000) += arch/mips/alchemy/pb1000/ -cflags-$(CONFIG_MIPS_PB1000) += -Iinclude/asm-mips/mach-pb1x00 +cflags-$(CONFIG_MIPS_PB1000) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00 load-$(CONFIG_MIPS_PB1000) += 0xffffffff80100000 # # AMD Alchemy Pb1100 eval board # libs-$(CONFIG_MIPS_PB1100) += arch/mips/alchemy/pb1100/ -cflags-$(CONFIG_MIPS_PB1100) += -Iinclude/asm-mips/mach-pb1x00 +cflags-$(CONFIG_MIPS_PB1100) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00 load-$(CONFIG_MIPS_PB1100) += 0xffffffff80100000 # # AMD Alchemy Pb1500 eval board # libs-$(CONFIG_MIPS_PB1500) += arch/mips/alchemy/pb1500/ -cflags-$(CONFIG_MIPS_PB1500) += -Iinclude/asm-mips/mach-pb1x00 +cflags-$(CONFIG_MIPS_PB1500) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00 load-$(CONFIG_MIPS_PB1500) += 0xffffffff80100000 # # AMD Alchemy Pb1550 eval board # libs-$(CONFIG_MIPS_PB1550) += arch/mips/alchemy/pb1550/ -cflags-$(CONFIG_MIPS_PB1550) += -Iinclude/asm-mips/mach-pb1x00 +cflags-$(CONFIG_MIPS_PB1550) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00 load-$(CONFIG_MIPS_PB1550) += 0xffffffff80100000 # # AMD Alchemy Pb1200 eval board # libs-$(CONFIG_MIPS_PB1200) += arch/mips/alchemy/pb1200/ -cflags-$(CONFIG_MIPS_PB1200) += -Iinclude/asm-mips/mach-pb1x00 +cflags-$(CONFIG_MIPS_PB1200) += -I$(srctree)/arch/mips/include/asm/mach-pb1x00 load-$(CONFIG_MIPS_PB1200) += 0xffffffff80100000 # # AMD Alchemy Db1000 eval board # libs-$(CONFIG_MIPS_DB1000) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_DB1000) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_DB1000) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_DB1000) += 0xffffffff80100000 # # AMD Alchemy Db1100 eval board # libs-$(CONFIG_MIPS_DB1100) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_DB1100) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_DB1100) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_DB1100) += 0xffffffff80100000 # # AMD Alchemy Db1500 eval board # libs-$(CONFIG_MIPS_DB1500) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_DB1500) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_DB1500) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_DB1500) += 0xffffffff80100000 # # AMD Alchemy Db1550 eval board # libs-$(CONFIG_MIPS_DB1550) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_DB1550) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_DB1550) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_DB1550) += 0xffffffff80100000 # # AMD Alchemy Db1200 eval board # libs-$(CONFIG_MIPS_DB1200) += arch/mips/alchemy/pb1200/ -cflags-$(CONFIG_MIPS_DB1200) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_DB1200) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_DB1200) += 0xffffffff80100000 # # AMD Alchemy Bosporus eval board # libs-$(CONFIG_MIPS_BOSPORUS) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_BOSPORUS) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_BOSPORUS) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_BOSPORUS) += 0xffffffff80100000 # # AMD Alchemy Mirage eval board # libs-$(CONFIG_MIPS_MIRAGE) += arch/mips/alchemy/db1x00/ -cflags-$(CONFIG_MIPS_MIRAGE) += -Iinclude/asm-mips/mach-db1x00 +cflags-$(CONFIG_MIPS_MIRAGE) += -I$(srctree)/arch/mips/include/asm/mach-db1x00 load-$(CONFIG_MIPS_MIRAGE) += 0xffffffff80100000 # @@ -279,14 +279,14 @@ load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000 # Cobalt Server # core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/ -cflags-$(CONFIG_MIPS_COBALT) += -Iinclude/asm-mips/mach-cobalt +cflags-$(CONFIG_MIPS_COBALT) += -I$(srctree)/arch/mips/include/asm/mach-cobalt load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000 # # DECstation family # core-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/ -cflags-$(CONFIG_MACH_DECSTATION)+= -Iinclude/asm-mips/mach-dec +cflags-$(CONFIG_MACH_DECSTATION)+= -I$(srctree)/arch/mips/include/asm/mach-dec libs-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/prom/ load-$(CONFIG_MACH_DECSTATION) += 0xffffffff80040000 @@ -294,7 +294,7 @@ load-$(CONFIG_MACH_DECSTATION) += 0xffffffff80040000 # Wind River PPMC Board (4KC + GT64120) # core-$(CONFIG_WR_PPMC) += arch/mips/gt64120/wrppmc/ -cflags-$(CONFIG_WR_PPMC) += -Iinclude/asm-mips/mach-wrppmc +cflags-$(CONFIG_WR_PPMC) += -I$(srctree)/arch/mips/include/asm/mach-wrppmc load-$(CONFIG_WR_PPMC) += 0xffffffff80100000 # @@ -302,13 +302,13 @@ load-$(CONFIG_WR_PPMC) += 0xffffffff80100000 # core-$(CONFIG_LEMOTE_FULONG) +=arch/mips/lemote/lm2e/ load-$(CONFIG_LEMOTE_FULONG) +=0xffffffff80100000 -cflags-$(CONFIG_LEMOTE_FULONG) += -Iinclude/asm-mips/mach-lemote +cflags-$(CONFIG_LEMOTE_FULONG) += -I$(srctree)/arch/mips/include/asm/mach-lemote # # MIPS Malta board # core-$(CONFIG_MIPS_MALTA) += arch/mips/mti-malta/ -cflags-$(CONFIG_MIPS_MALTA) += -Iinclude/asm-mips/mach-malta +cflags-$(CONFIG_MIPS_MALTA) += -I$(srctree)/arch/mips/include/asm/mach-malta load-$(CONFIG_MIPS_MALTA) += 0xffffffff80100000 all-$(CONFIG_MIPS_MALTA) := vmlinux.bin @@ -316,14 +316,14 @@ all-$(CONFIG_MIPS_MALTA) := vmlinux.bin # MIPS SIM # core-$(CONFIG_MIPS_SIM) += arch/mips/mipssim/ -cflags-$(CONFIG_MIPS_SIM) += -Iinclude/asm-mips/mach-mipssim +cflags-$(CONFIG_MIPS_SIM) += -I$(srctree)/arch/mips/include/asm/mach-mipssim load-$(CONFIG_MIPS_SIM) += 0x80100000 # # PMC-Sierra MSP SOCs # core-$(CONFIG_PMC_MSP) += arch/mips/pmc-sierra/msp71xx/ -cflags-$(CONFIG_PMC_MSP) += -Iinclude/asm-mips/pmc-sierra/msp71xx \ +cflags-$(CONFIG_PMC_MSP) += -I$(srctree)/arch/mips/include/asm/pmc-sierra/msp71xx \ -mno-branch-likely load-$(CONFIG_PMC_MSP) += 0xffffffff80100000 @@ -331,28 +331,28 @@ load-$(CONFIG_PMC_MSP) += 0xffffffff80100000 # PMC-Sierra Yosemite # core-$(CONFIG_PMC_YOSEMITE) += arch/mips/pmc-sierra/yosemite/ -cflags-$(CONFIG_PMC_YOSEMITE) += -Iinclude/asm-mips/mach-yosemite +cflags-$(CONFIG_PMC_YOSEMITE) += -I$(srctree)/arch/mips/include/asm/mach-yosemite load-$(CONFIG_PMC_YOSEMITE) += 0xffffffff80100000 # # Basler eXcite # core-$(CONFIG_BASLER_EXCITE) += arch/mips/basler/excite/ -cflags-$(CONFIG_BASLER_EXCITE) += -Iinclude/asm-mips/mach-excite +cflags-$(CONFIG_BASLER_EXCITE) += -I$(srctree)/arch/mips/include/asm/mach-excite load-$(CONFIG_BASLER_EXCITE) += 0x80100000 # # LASAT platforms # core-$(CONFIG_LASAT) += arch/mips/lasat/ -cflags-$(CONFIG_LASAT) += -Iinclude/asm-mips/mach-lasat +cflags-$(CONFIG_LASAT) += -I$(srctree)/arch/mips/include/asm/mach-lasat load-$(CONFIG_LASAT) += 0xffffffff80000000 # # Common VR41xx # core-$(CONFIG_MACH_VR41XX) += arch/mips/vr41xx/common/ -cflags-$(CONFIG_MACH_VR41XX) += -Iinclude/asm-mips/mach-vr41xx +cflags-$(CONFIG_MACH_VR41XX) += -I$(srctree)/arch/mips/include/asm/mach-vr41xx # # ZAO Networks Capcella (VR4131) @@ -385,13 +385,13 @@ load-$(CONFIG_TANBAC_TB022X) += 0xffffffff80000000 # Common NXP PNX8550 # core-$(CONFIG_SOC_PNX8550) += arch/mips/nxp/pnx8550/common/ -cflags-$(CONFIG_SOC_PNX8550) += -Iinclude/asm-mips/mach-pnx8550 +cflags-$(CONFIG_SOC_PNX8550) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550 # # NXP PNX8550 JBS board # libs-$(CONFIG_PNX8550_JBS) += arch/mips/nxp/pnx8550/jbs/ -#cflags-$(CONFIG_PNX8550_JBS) += -Iinclude/asm-mips/mach-pnx8550 +#cflags-$(CONFIG_PNX8550_JBS) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550 load-$(CONFIG_PNX8550_JBS) += 0xffffffff80060000 # NXP PNX8550 STB810 board @@ -402,7 +402,7 @@ load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000 # NEC EMMA2RH boards # core-$(CONFIG_EMMA2RH) += arch/mips/emma2rh/common/ -cflags-$(CONFIG_EMMA2RH) += -Iinclude/asm-mips/mach-emma2rh +cflags-$(CONFIG_EMMA2RH) += -I$(srctree)/arch/mips/include/asm/mach-emma2rh # NEC EMMA2RH Mark-eins core-$(CONFIG_MARKEINS) += arch/mips/emma2rh/markeins/ @@ -418,7 +418,7 @@ load-$(CONFIG_MARKEINS) += 0xffffffff88100000 # address by 8kb. # core-$(CONFIG_SGI_IP22) += arch/mips/sgi-ip22/ -cflags-$(CONFIG_SGI_IP22) += -Iinclude/asm-mips/mach-ip22 +cflags-$(CONFIG_SGI_IP22) += -I$(srctree)/arch/mips/include/asm/mach-ip22 ifdef CONFIG_32BIT load-$(CONFIG_SGI_IP22) += 0xffffffff88002000 endif @@ -435,7 +435,7 @@ endif # ifdef CONFIG_SGI_IP27 core-$(CONFIG_SGI_IP27) += arch/mips/sgi-ip27/ -cflags-$(CONFIG_SGI_IP27) += -Iinclude/asm-mips/mach-ip27 +cflags-$(CONFIG_SGI_IP27) += -I$(srctree)/arch/mips/include/asm/mach-ip27 ifdef CONFIG_MAPPED_KERNEL load-$(CONFIG_SGI_IP27) += 0xc00000004001c000 OBJCOPYFLAGS := --change-addresses=0x3fffffff80000000 @@ -460,7 +460,7 @@ ifdef CONFIG_SGI_IP28 endif endif core-$(CONFIG_SGI_IP28) += arch/mips/sgi-ip22/ -cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=1 -Iinclude/asm-mips/mach-ip28 +cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=1 -I$(srctree)/arch/mips/include/asm/mach-ip28 load-$(CONFIG_SGI_IP28) += 0xa800000020004000 # @@ -472,7 +472,7 @@ load-$(CONFIG_SGI_IP28) += 0xa800000020004000 # will break. # core-$(CONFIG_SGI_IP32) += arch/mips/sgi-ip32/ -cflags-$(CONFIG_SGI_IP32) += -Iinclude/asm-mips/mach-ip32 +cflags-$(CONFIG_SGI_IP32) += -I$(srctree)/arch/mips/include/asm/mach-ip32 load-$(CONFIG_SGI_IP32) += 0xffffffff80004000 # @@ -484,22 +484,22 @@ load-$(CONFIG_SGI_IP32) += 0xffffffff80004000 # core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/sb1250/ core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/common/ -cflags-$(CONFIG_SIBYTE_BCM112X) += -Iinclude/asm-mips/mach-sibyte \ +cflags-$(CONFIG_SIBYTE_BCM112X) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \ -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/sb1250/ core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/common/ -cflags-$(CONFIG_SIBYTE_SB1250) += -Iinclude/asm-mips/mach-sibyte \ +cflags-$(CONFIG_SIBYTE_SB1250) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \ -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/bcm1480/ core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/common/ -cflags-$(CONFIG_SIBYTE_BCM1x55) += -Iinclude/asm-mips/mach-sibyte \ +cflags-$(CONFIG_SIBYTE_BCM1x55) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \ -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/bcm1480/ core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/common/ -cflags-$(CONFIG_SIBYTE_BCM1x80) += -Iinclude/asm-mips/mach-sibyte \ +cflags-$(CONFIG_SIBYTE_BCM1x80) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \ -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL # @@ -529,14 +529,14 @@ load-$(CONFIG_SIBYTE_BIGSUR) := 0xffffffff80100000 # Broadcom BCM47XX boards # core-$(CONFIG_BCM47XX) += arch/mips/bcm47xx/ -cflags-$(CONFIG_BCM47XX) += -Iinclude/asm-mips/mach-bcm47xx +cflags-$(CONFIG_BCM47XX) += -I$(srctree)/arch/mips/include/asm/mach-bcm47xx load-$(CONFIG_BCM47XX) := 0xffffffff80001000 # # SNI RM # core-$(CONFIG_SNI_RM) += arch/mips/sni/ -cflags-$(CONFIG_SNI_RM) += -Iinclude/asm-mips/mach-rm +cflags-$(CONFIG_SNI_RM) += -I$(srctree)/arch/mips/include/asm/mach-rm ifdef CONFIG_CPU_LITTLE_ENDIAN load-$(CONFIG_SNI_RM) += 0xffffffff80600000 else @@ -548,10 +548,10 @@ all-$(CONFIG_SNI_RM) := vmlinux.ecoff # Common TXx9 # core-$(CONFIG_MACH_TX39XX) += arch/mips/txx9/generic/ -cflags-$(CONFIG_MACH_TX39XX) += -Iinclude/asm-mips/mach-tx39xx +cflags-$(CONFIG_MACH_TX39XX) += -I$(srctree)/arch/mips/include/asm/mach-tx39xx load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000 core-$(CONFIG_MACH_TX49XX) += arch/mips/txx9/generic/ -cflags-$(CONFIG_MACH_TX49XX) += -Iinclude/asm-mips/mach-tx49xx +cflags-$(CONFIG_MACH_TX49XX) += -I$(srctree)/arch/mips/include/asm/mach-tx49xx load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000 # @@ -563,7 +563,7 @@ core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/ # Routerboard 532 board # core-$(CONFIG_MIKROTIK_RB532) += arch/mips/rb532/ -cflags-$(CONFIG_MIKROTIK_RB532) += -Iinclude/asm-mips/mach-rc32434 +cflags-$(CONFIG_MIKROTIK_RB532) += -I$(srctree)/arch/mips/include/asm/mach-rc32434 load-$(CONFIG_MIKROTIK_RB532) += 0xffffffff80101000 # @@ -573,7 +573,7 @@ core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/ core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/ core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/ -cflags-y += -Iinclude/asm-mips/mach-generic +cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic drivers-$(CONFIG_PCI) += arch/mips/pci/ ifdef CONFIG_32BIT diff --git a/include/asm-mips/Kbuild b/arch/mips/include/asm/Kbuild similarity index 100% rename from include/asm-mips/Kbuild rename to arch/mips/include/asm/Kbuild diff --git a/include/asm-mips/a.out.h b/arch/mips/include/asm/a.out.h similarity index 100% rename from include/asm-mips/a.out.h rename to arch/mips/include/asm/a.out.h diff --git a/include/asm-mips/abi.h b/arch/mips/include/asm/abi.h similarity index 100% rename from include/asm-mips/abi.h rename to arch/mips/include/asm/abi.h diff --git a/include/asm-mips/addrspace.h b/arch/mips/include/asm/addrspace.h similarity index 100% rename from include/asm-mips/addrspace.h rename to arch/mips/include/asm/addrspace.h diff --git a/include/asm-mips/asm.h b/arch/mips/include/asm/asm.h similarity index 100% rename from include/asm-mips/asm.h rename to arch/mips/include/asm/asm.h diff --git a/include/asm-mips/asmmacro-32.h b/arch/mips/include/asm/asmmacro-32.h similarity index 100% rename from include/asm-mips/asmmacro-32.h rename to arch/mips/include/asm/asmmacro-32.h diff --git a/include/asm-mips/asmmacro-64.h b/arch/mips/include/asm/asmmacro-64.h similarity index 100% rename from include/asm-mips/asmmacro-64.h rename to arch/mips/include/asm/asmmacro-64.h diff --git a/include/asm-mips/asmmacro.h b/arch/mips/include/asm/asmmacro.h similarity index 100% rename from include/asm-mips/asmmacro.h rename to arch/mips/include/asm/asmmacro.h diff --git a/include/asm-mips/atomic.h b/arch/mips/include/asm/atomic.h similarity index 100% rename from include/asm-mips/atomic.h rename to arch/mips/include/asm/atomic.h diff --git a/include/asm-mips/auxvec.h b/arch/mips/include/asm/auxvec.h similarity index 100% rename from include/asm-mips/auxvec.h rename to arch/mips/include/asm/auxvec.h diff --git a/include/asm-mips/barrier.h b/arch/mips/include/asm/barrier.h similarity index 100% rename from include/asm-mips/barrier.h rename to arch/mips/include/asm/barrier.h diff --git a/include/asm-mips/bcache.h b/arch/mips/include/asm/bcache.h similarity index 100% rename from include/asm-mips/bcache.h rename to arch/mips/include/asm/bcache.h diff --git a/include/asm-mips/bitops.h b/arch/mips/include/asm/bitops.h similarity index 100% rename from include/asm-mips/bitops.h rename to arch/mips/include/asm/bitops.h diff --git a/include/asm-mips/bootinfo.h b/arch/mips/include/asm/bootinfo.h similarity index 100% rename from include/asm-mips/bootinfo.h rename to arch/mips/include/asm/bootinfo.h diff --git a/include/asm-mips/branch.h b/arch/mips/include/asm/branch.h similarity index 100% rename from include/asm-mips/branch.h rename to arch/mips/include/asm/branch.h diff --git a/include/asm-mips/break.h b/arch/mips/include/asm/break.h similarity index 100% rename from include/asm-mips/break.h rename to arch/mips/include/asm/break.h diff --git a/include/asm-mips/bug.h b/arch/mips/include/asm/bug.h similarity index 100% rename from include/asm-mips/bug.h rename to arch/mips/include/asm/bug.h diff --git a/include/asm-mips/bugs.h b/arch/mips/include/asm/bugs.h similarity index 100% rename from include/asm-mips/bugs.h rename to arch/mips/include/asm/bugs.h diff --git a/include/asm-mips/byteorder.h b/arch/mips/include/asm/byteorder.h similarity index 100% rename from include/asm-mips/byteorder.h rename to arch/mips/include/asm/byteorder.h diff --git a/include/asm-mips/cache.h b/arch/mips/include/asm/cache.h similarity index 100% rename from include/asm-mips/cache.h rename to arch/mips/include/asm/cache.h diff --git a/include/asm-mips/cachectl.h b/arch/mips/include/asm/cachectl.h similarity index 100% rename from include/asm-mips/cachectl.h rename to arch/mips/include/asm/cachectl.h diff --git a/include/asm-mips/cacheflush.h b/arch/mips/include/asm/cacheflush.h similarity index 100% rename from include/asm-mips/cacheflush.h rename to arch/mips/include/asm/cacheflush.h diff --git a/include/asm-mips/cacheops.h b/arch/mips/include/asm/cacheops.h similarity index 100% rename from include/asm-mips/cacheops.h rename to arch/mips/include/asm/cacheops.h diff --git a/include/asm-mips/checksum.h b/arch/mips/include/asm/checksum.h similarity index 100% rename from include/asm-mips/checksum.h rename to arch/mips/include/asm/checksum.h diff --git a/include/asm-mips/cmp.h b/arch/mips/include/asm/cmp.h similarity index 100% rename from include/asm-mips/cmp.h rename to arch/mips/include/asm/cmp.h diff --git a/include/asm-mips/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h similarity index 100% rename from include/asm-mips/cmpxchg.h rename to arch/mips/include/asm/cmpxchg.h diff --git a/include/asm-mips/compat-signal.h b/arch/mips/include/asm/compat-signal.h similarity index 100% rename from include/asm-mips/compat-signal.h rename to arch/mips/include/asm/compat-signal.h diff --git a/include/asm-mips/compat.h b/arch/mips/include/asm/compat.h similarity index 100% rename from include/asm-mips/compat.h rename to arch/mips/include/asm/compat.h diff --git a/include/asm-mips/compiler.h b/arch/mips/include/asm/compiler.h similarity index 100% rename from include/asm-mips/compiler.h rename to arch/mips/include/asm/compiler.h diff --git a/include/asm-mips/cpu-features.h b/arch/mips/include/asm/cpu-features.h similarity index 100% rename from include/asm-mips/cpu-features.h rename to arch/mips/include/asm/cpu-features.h diff --git a/include/asm-mips/cpu-info.h b/arch/mips/include/asm/cpu-info.h similarity index 100% rename from include/asm-mips/cpu-info.h rename to arch/mips/include/asm/cpu-info.h diff --git a/include/asm-mips/cpu.h b/arch/mips/include/asm/cpu.h similarity index 100% rename from include/asm-mips/cpu.h rename to arch/mips/include/asm/cpu.h diff --git a/include/asm-mips/cputime.h b/arch/mips/include/asm/cputime.h similarity index 100% rename from include/asm-mips/cputime.h rename to arch/mips/include/asm/cputime.h diff --git a/include/asm-mips/current.h b/arch/mips/include/asm/current.h similarity index 100% rename from include/asm-mips/current.h rename to arch/mips/include/asm/current.h diff --git a/include/asm-mips/debug.h b/arch/mips/include/asm/debug.h similarity index 100% rename from include/asm-mips/debug.h rename to arch/mips/include/asm/debug.h diff --git a/include/asm-mips/dec/ecc.h b/arch/mips/include/asm/dec/ecc.h similarity index 100% rename from include/asm-mips/dec/ecc.h rename to arch/mips/include/asm/dec/ecc.h diff --git a/include/asm-mips/dec/interrupts.h b/arch/mips/include/asm/dec/interrupts.h similarity index 100% rename from include/asm-mips/dec/interrupts.h rename to arch/mips/include/asm/dec/interrupts.h diff --git a/include/asm-mips/dec/ioasic.h b/arch/mips/include/asm/dec/ioasic.h similarity index 100% rename from include/asm-mips/dec/ioasic.h rename to arch/mips/include/asm/dec/ioasic.h diff --git a/include/asm-mips/dec/ioasic_addrs.h b/arch/mips/include/asm/dec/ioasic_addrs.h similarity index 100% rename from include/asm-mips/dec/ioasic_addrs.h rename to arch/mips/include/asm/dec/ioasic_addrs.h diff --git a/include/asm-mips/dec/ioasic_ints.h b/arch/mips/include/asm/dec/ioasic_ints.h similarity index 100% rename from include/asm-mips/dec/ioasic_ints.h rename to arch/mips/include/asm/dec/ioasic_ints.h diff --git a/include/asm-mips/dec/kn01.h b/arch/mips/include/asm/dec/kn01.h similarity index 100% rename from include/asm-mips/dec/kn01.h rename to arch/mips/include/asm/dec/kn01.h diff --git a/include/asm-mips/dec/kn02.h b/arch/mips/include/asm/dec/kn02.h similarity index 100% rename from include/asm-mips/dec/kn02.h rename to arch/mips/include/asm/dec/kn02.h diff --git a/include/asm-mips/dec/kn02ba.h b/arch/mips/include/asm/dec/kn02ba.h similarity index 100% rename from include/asm-mips/dec/kn02ba.h rename to arch/mips/include/asm/dec/kn02ba.h diff --git a/include/asm-mips/dec/kn02ca.h b/arch/mips/include/asm/dec/kn02ca.h similarity index 100% rename from include/asm-mips/dec/kn02ca.h rename to arch/mips/include/asm/dec/kn02ca.h diff --git a/include/asm-mips/dec/kn02xa.h b/arch/mips/include/asm/dec/kn02xa.h similarity index 100% rename from include/asm-mips/dec/kn02xa.h rename to arch/mips/include/asm/dec/kn02xa.h diff --git a/include/asm-mips/dec/kn03.h b/arch/mips/include/asm/dec/kn03.h similarity index 100% rename from include/asm-mips/dec/kn03.h rename to arch/mips/include/asm/dec/kn03.h diff --git a/include/asm-mips/dec/kn05.h b/arch/mips/include/asm/dec/kn05.h similarity index 100% rename from include/asm-mips/dec/kn05.h rename to arch/mips/include/asm/dec/kn05.h diff --git a/include/asm-mips/dec/kn230.h b/arch/mips/include/asm/dec/kn230.h similarity index 100% rename from include/asm-mips/dec/kn230.h rename to arch/mips/include/asm/dec/kn230.h diff --git a/include/asm-mips/dec/machtype.h b/arch/mips/include/asm/dec/machtype.h similarity index 100% rename from include/asm-mips/dec/machtype.h rename to arch/mips/include/asm/dec/machtype.h diff --git a/include/asm-mips/dec/prom.h b/arch/mips/include/asm/dec/prom.h similarity index 100% rename from include/asm-mips/dec/prom.h rename to arch/mips/include/asm/dec/prom.h diff --git a/include/asm-mips/dec/system.h b/arch/mips/include/asm/dec/system.h similarity index 100% rename from include/asm-mips/dec/system.h rename to arch/mips/include/asm/dec/system.h diff --git a/include/asm-mips/delay.h b/arch/mips/include/asm/delay.h similarity index 100% rename from include/asm-mips/delay.h rename to arch/mips/include/asm/delay.h diff --git a/include/asm-mips/device.h b/arch/mips/include/asm/device.h similarity index 100% rename from include/asm-mips/device.h rename to arch/mips/include/asm/device.h diff --git a/include/asm-mips/div64.h b/arch/mips/include/asm/div64.h similarity index 100% rename from include/asm-mips/div64.h rename to arch/mips/include/asm/div64.h diff --git a/include/asm-mips/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h similarity index 100% rename from include/asm-mips/dma-mapping.h rename to arch/mips/include/asm/dma-mapping.h diff --git a/include/asm-mips/dma.h b/arch/mips/include/asm/dma.h similarity index 100% rename from include/asm-mips/dma.h rename to arch/mips/include/asm/dma.h diff --git a/include/asm-mips/ds1286.h b/arch/mips/include/asm/ds1286.h similarity index 100% rename from include/asm-mips/ds1286.h rename to arch/mips/include/asm/ds1286.h diff --git a/include/asm-mips/ds1287.h b/arch/mips/include/asm/ds1287.h similarity index 100% rename from include/asm-mips/ds1287.h rename to arch/mips/include/asm/ds1287.h diff --git a/include/asm-mips/dsp.h b/arch/mips/include/asm/dsp.h similarity index 100% rename from include/asm-mips/dsp.h rename to arch/mips/include/asm/dsp.h diff --git a/include/asm-mips/edac.h b/arch/mips/include/asm/edac.h similarity index 100% rename from include/asm-mips/edac.h rename to arch/mips/include/asm/edac.h diff --git a/include/asm-mips/elf.h b/arch/mips/include/asm/elf.h similarity index 100% rename from include/asm-mips/elf.h rename to arch/mips/include/asm/elf.h diff --git a/include/asm-mips/emergency-restart.h b/arch/mips/include/asm/emergency-restart.h similarity index 100% rename from include/asm-mips/emergency-restart.h rename to arch/mips/include/asm/emergency-restart.h diff --git a/include/asm-mips/emma2rh/emma2rh.h b/arch/mips/include/asm/emma2rh/emma2rh.h similarity index 100% rename from include/asm-mips/emma2rh/emma2rh.h rename to arch/mips/include/asm/emma2rh/emma2rh.h diff --git a/include/asm-mips/emma2rh/markeins.h b/arch/mips/include/asm/emma2rh/markeins.h similarity index 100% rename from include/asm-mips/emma2rh/markeins.h rename to arch/mips/include/asm/emma2rh/markeins.h diff --git a/include/asm-mips/errno.h b/arch/mips/include/asm/errno.h similarity index 100% rename from include/asm-mips/errno.h rename to arch/mips/include/asm/errno.h diff --git a/include/asm-mips/fb.h b/arch/mips/include/asm/fb.h similarity index 100% rename from include/asm-mips/fb.h rename to arch/mips/include/asm/fb.h diff --git a/include/asm-mips/fcntl.h b/arch/mips/include/asm/fcntl.h similarity index 100% rename from include/asm-mips/fcntl.h rename to arch/mips/include/asm/fcntl.h diff --git a/include/asm-mips/fixmap.h b/arch/mips/include/asm/fixmap.h similarity index 100% rename from include/asm-mips/fixmap.h rename to arch/mips/include/asm/fixmap.h diff --git a/include/asm-mips/floppy.h b/arch/mips/include/asm/floppy.h similarity index 100% rename from include/asm-mips/floppy.h rename to arch/mips/include/asm/floppy.h diff --git a/include/asm-mips/fpregdef.h b/arch/mips/include/asm/fpregdef.h similarity index 100% rename from include/asm-mips/fpregdef.h rename to arch/mips/include/asm/fpregdef.h diff --git a/include/asm-mips/fpu.h b/arch/mips/include/asm/fpu.h similarity index 100% rename from include/asm-mips/fpu.h rename to arch/mips/include/asm/fpu.h diff --git a/include/asm-mips/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h similarity index 100% rename from include/asm-mips/fpu_emulator.h rename to arch/mips/include/asm/fpu_emulator.h diff --git a/include/asm-mips/futex.h b/arch/mips/include/asm/futex.h similarity index 100% rename from include/asm-mips/futex.h rename to arch/mips/include/asm/futex.h diff --git a/include/asm-mips/fw/arc/hinv.h b/arch/mips/include/asm/fw/arc/hinv.h similarity index 100% rename from include/asm-mips/fw/arc/hinv.h rename to arch/mips/include/asm/fw/arc/hinv.h diff --git a/include/asm-mips/fw/arc/types.h b/arch/mips/include/asm/fw/arc/types.h similarity index 100% rename from include/asm-mips/fw/arc/types.h rename to arch/mips/include/asm/fw/arc/types.h diff --git a/include/asm-mips/fw/cfe/cfe_api.h b/arch/mips/include/asm/fw/cfe/cfe_api.h similarity index 100% rename from include/asm-mips/fw/cfe/cfe_api.h rename to arch/mips/include/asm/fw/cfe/cfe_api.h diff --git a/include/asm-mips/fw/cfe/cfe_error.h b/arch/mips/include/asm/fw/cfe/cfe_error.h similarity index 100% rename from include/asm-mips/fw/cfe/cfe_error.h rename to arch/mips/include/asm/fw/cfe/cfe_error.h diff --git a/include/asm-mips/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h similarity index 100% rename from include/asm-mips/gcmpregs.h rename to arch/mips/include/asm/gcmpregs.h diff --git a/include/asm-mips/gic.h b/arch/mips/include/asm/gic.h similarity index 100% rename from include/asm-mips/gic.h rename to arch/mips/include/asm/gic.h diff --git a/include/asm-mips/gpio.h b/arch/mips/include/asm/gpio.h similarity index 100% rename from include/asm-mips/gpio.h rename to arch/mips/include/asm/gpio.h diff --git a/include/asm-mips/gt64120.h b/arch/mips/include/asm/gt64120.h similarity index 100% rename from include/asm-mips/gt64120.h rename to arch/mips/include/asm/gt64120.h diff --git a/include/asm-mips/hardirq.h b/arch/mips/include/asm/hardirq.h similarity index 100% rename from include/asm-mips/hardirq.h rename to arch/mips/include/asm/hardirq.h diff --git a/include/asm-mips/hazards.h b/arch/mips/include/asm/hazards.h similarity index 100% rename from include/asm-mips/hazards.h rename to arch/mips/include/asm/hazards.h diff --git a/include/asm-mips/highmem.h b/arch/mips/include/asm/highmem.h similarity index 100% rename from include/asm-mips/highmem.h rename to arch/mips/include/asm/highmem.h diff --git a/include/asm-mips/hw_irq.h b/arch/mips/include/asm/hw_irq.h similarity index 100% rename from include/asm-mips/hw_irq.h rename to arch/mips/include/asm/hw_irq.h diff --git a/include/asm-mips/i8253.h b/arch/mips/include/asm/i8253.h similarity index 100% rename from include/asm-mips/i8253.h rename to arch/mips/include/asm/i8253.h diff --git a/include/asm-mips/i8259.h b/arch/mips/include/asm/i8259.h similarity index 100% rename from include/asm-mips/i8259.h rename to arch/mips/include/asm/i8259.h diff --git a/include/asm-mips/ide.h b/arch/mips/include/asm/ide.h similarity index 100% rename from include/asm-mips/ide.h rename to arch/mips/include/asm/ide.h diff --git a/include/asm-mips/inst.h b/arch/mips/include/asm/inst.h similarity index 100% rename from include/asm-mips/inst.h rename to arch/mips/include/asm/inst.h diff --git a/include/asm-mips/io.h b/arch/mips/include/asm/io.h similarity index 100% rename from include/asm-mips/io.h rename to arch/mips/include/asm/io.h diff --git a/include/asm-mips/ioctl.h b/arch/mips/include/asm/ioctl.h similarity index 100% rename from include/asm-mips/ioctl.h rename to arch/mips/include/asm/ioctl.h diff --git a/include/asm-mips/ioctls.h b/arch/mips/include/asm/ioctls.h similarity index 100% rename from include/asm-mips/ioctls.h rename to arch/mips/include/asm/ioctls.h diff --git a/include/asm-mips/ip32/crime.h b/arch/mips/include/asm/ip32/crime.h similarity index 100% rename from include/asm-mips/ip32/crime.h rename to arch/mips/include/asm/ip32/crime.h diff --git a/include/asm-mips/ip32/ip32_ints.h b/arch/mips/include/asm/ip32/ip32_ints.h similarity index 100% rename from include/asm-mips/ip32/ip32_ints.h rename to arch/mips/include/asm/ip32/ip32_ints.h diff --git a/include/asm-mips/ip32/mace.h b/arch/mips/include/asm/ip32/mace.h similarity index 100% rename from include/asm-mips/ip32/mace.h rename to arch/mips/include/asm/ip32/mace.h diff --git a/include/asm-mips/ipcbuf.h b/arch/mips/include/asm/ipcbuf.h similarity index 100% rename from include/asm-mips/ipcbuf.h rename to arch/mips/include/asm/ipcbuf.h diff --git a/include/asm-mips/irq.h b/arch/mips/include/asm/irq.h similarity index 100% rename from include/asm-mips/irq.h rename to arch/mips/include/asm/irq.h diff --git a/include/asm-mips/irq_cpu.h b/arch/mips/include/asm/irq_cpu.h similarity index 100% rename from include/asm-mips/irq_cpu.h rename to arch/mips/include/asm/irq_cpu.h diff --git a/include/asm-mips/irq_gt641xx.h b/arch/mips/include/asm/irq_gt641xx.h similarity index 100% rename from include/asm-mips/irq_gt641xx.h rename to arch/mips/include/asm/irq_gt641xx.h diff --git a/include/asm-mips/irq_regs.h b/arch/mips/include/asm/irq_regs.h similarity index 100% rename from include/asm-mips/irq_regs.h rename to arch/mips/include/asm/irq_regs.h diff --git a/include/asm-mips/irqflags.h b/arch/mips/include/asm/irqflags.h similarity index 100% rename from include/asm-mips/irqflags.h rename to arch/mips/include/asm/irqflags.h diff --git a/include/asm-mips/isadep.h b/arch/mips/include/asm/isadep.h similarity index 100% rename from include/asm-mips/isadep.h rename to arch/mips/include/asm/isadep.h diff --git a/include/asm-mips/jazz.h b/arch/mips/include/asm/jazz.h similarity index 100% rename from include/asm-mips/jazz.h rename to arch/mips/include/asm/jazz.h diff --git a/include/asm-mips/jazzdma.h b/arch/mips/include/asm/jazzdma.h similarity index 100% rename from include/asm-mips/jazzdma.h rename to arch/mips/include/asm/jazzdma.h diff --git a/include/asm-mips/kdebug.h b/arch/mips/include/asm/kdebug.h similarity index 100% rename from include/asm-mips/kdebug.h rename to arch/mips/include/asm/kdebug.h diff --git a/include/asm-mips/kexec.h b/arch/mips/include/asm/kexec.h similarity index 100% rename from include/asm-mips/kexec.h rename to arch/mips/include/asm/kexec.h diff --git a/include/asm-mips/kgdb.h b/arch/mips/include/asm/kgdb.h similarity index 100% rename from include/asm-mips/kgdb.h rename to arch/mips/include/asm/kgdb.h diff --git a/include/asm-mips/kmap_types.h b/arch/mips/include/asm/kmap_types.h similarity index 100% rename from include/asm-mips/kmap_types.h rename to arch/mips/include/asm/kmap_types.h diff --git a/include/asm-mips/kspd.h b/arch/mips/include/asm/kspd.h similarity index 100% rename from include/asm-mips/kspd.h rename to arch/mips/include/asm/kspd.h diff --git a/include/asm-mips/lasat/ds1603.h b/arch/mips/include/asm/lasat/ds1603.h similarity index 100% rename from include/asm-mips/lasat/ds1603.h rename to arch/mips/include/asm/lasat/ds1603.h diff --git a/include/asm-mips/lasat/eeprom.h b/arch/mips/include/asm/lasat/eeprom.h similarity index 100% rename from include/asm-mips/lasat/eeprom.h rename to arch/mips/include/asm/lasat/eeprom.h diff --git a/include/asm-mips/lasat/head.h b/arch/mips/include/asm/lasat/head.h similarity index 100% rename from include/asm-mips/lasat/head.h rename to arch/mips/include/asm/lasat/head.h diff --git a/include/asm-mips/lasat/lasat.h b/arch/mips/include/asm/lasat/lasat.h similarity index 100% rename from include/asm-mips/lasat/lasat.h rename to arch/mips/include/asm/lasat/lasat.h diff --git a/include/asm-mips/lasat/lasatint.h b/arch/mips/include/asm/lasat/lasatint.h similarity index 100% rename from include/asm-mips/lasat/lasatint.h rename to arch/mips/include/asm/lasat/lasatint.h diff --git a/include/asm-mips/lasat/picvue.h b/arch/mips/include/asm/lasat/picvue.h similarity index 100% rename from include/asm-mips/lasat/picvue.h rename to arch/mips/include/asm/lasat/picvue.h diff --git a/include/asm-mips/lasat/serial.h b/arch/mips/include/asm/lasat/serial.h similarity index 100% rename from include/asm-mips/lasat/serial.h rename to arch/mips/include/asm/lasat/serial.h diff --git a/include/asm-mips/linkage.h b/arch/mips/include/asm/linkage.h similarity index 100% rename from include/asm-mips/linkage.h rename to arch/mips/include/asm/linkage.h diff --git a/include/asm-mips/local.h b/arch/mips/include/asm/local.h similarity index 100% rename from include/asm-mips/local.h rename to arch/mips/include/asm/local.h diff --git a/include/asm-mips/m48t35.h b/arch/mips/include/asm/m48t35.h similarity index 100% rename from include/asm-mips/m48t35.h rename to arch/mips/include/asm/m48t35.h diff --git a/include/asm-mips/m48t37.h b/arch/mips/include/asm/m48t37.h similarity index 100% rename from include/asm-mips/m48t37.h rename to arch/mips/include/asm/m48t37.h diff --git a/include/asm-mips/mach-au1x00/au1000.h b/arch/mips/include/asm/mach-au1x00/au1000.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1000.h rename to arch/mips/include/asm/mach-au1x00/au1000.h diff --git a/include/asm-mips/mach-au1x00/au1000_dma.h b/arch/mips/include/asm/mach-au1x00/au1000_dma.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1000_dma.h rename to arch/mips/include/asm/mach-au1x00/au1000_dma.h diff --git a/include/asm-mips/mach-au1x00/au1000_gpio.h b/arch/mips/include/asm/mach-au1x00/au1000_gpio.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1000_gpio.h rename to arch/mips/include/asm/mach-au1x00/au1000_gpio.h diff --git a/include/asm-mips/mach-au1x00/au1100_mmc.h b/arch/mips/include/asm/mach-au1x00/au1100_mmc.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1100_mmc.h rename to arch/mips/include/asm/mach-au1x00/au1100_mmc.h diff --git a/include/asm-mips/mach-au1x00/au1550_spi.h b/arch/mips/include/asm/mach-au1x00/au1550_spi.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1550_spi.h rename to arch/mips/include/asm/mach-au1x00/au1550_spi.h diff --git a/include/asm-mips/mach-au1x00/au1xxx.h b/arch/mips/include/asm/mach-au1x00/au1xxx.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1xxx.h rename to arch/mips/include/asm/mach-au1x00/au1xxx.h diff --git a/include/asm-mips/mach-au1x00/au1xxx_dbdma.h b/arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1xxx_dbdma.h rename to arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1xxx_ide.h rename to arch/mips/include/asm/mach-au1x00/au1xxx_ide.h diff --git a/include/asm-mips/mach-au1x00/au1xxx_psc.h b/arch/mips/include/asm/mach-au1x00/au1xxx_psc.h similarity index 100% rename from include/asm-mips/mach-au1x00/au1xxx_psc.h rename to arch/mips/include/asm/mach-au1x00/au1xxx_psc.h diff --git a/include/asm-mips/mach-au1x00/gpio.h b/arch/mips/include/asm/mach-au1x00/gpio.h similarity index 100% rename from include/asm-mips/mach-au1x00/gpio.h rename to arch/mips/include/asm/mach-au1x00/gpio.h diff --git a/include/asm-mips/mach-au1x00/ioremap.h b/arch/mips/include/asm/mach-au1x00/ioremap.h similarity index 100% rename from include/asm-mips/mach-au1x00/ioremap.h rename to arch/mips/include/asm/mach-au1x00/ioremap.h diff --git a/include/asm-mips/mach-au1x00/prom.h b/arch/mips/include/asm/mach-au1x00/prom.h similarity index 100% rename from include/asm-mips/mach-au1x00/prom.h rename to arch/mips/include/asm/mach-au1x00/prom.h diff --git a/include/asm-mips/mach-au1x00/war.h b/arch/mips/include/asm/mach-au1x00/war.h similarity index 100% rename from include/asm-mips/mach-au1x00/war.h rename to arch/mips/include/asm/mach-au1x00/war.h diff --git a/include/asm-mips/mach-bcm47xx/bcm47xx.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx.h similarity index 100% rename from include/asm-mips/mach-bcm47xx/bcm47xx.h rename to arch/mips/include/asm/mach-bcm47xx/bcm47xx.h diff --git a/include/asm-mips/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h similarity index 100% rename from include/asm-mips/mach-bcm47xx/gpio.h rename to arch/mips/include/asm/mach-bcm47xx/gpio.h diff --git a/include/asm-mips/mach-bcm47xx/war.h b/arch/mips/include/asm/mach-bcm47xx/war.h similarity index 100% rename from include/asm-mips/mach-bcm47xx/war.h rename to arch/mips/include/asm/mach-bcm47xx/war.h diff --git a/include/asm-mips/mach-cobalt/cobalt.h b/arch/mips/include/asm/mach-cobalt/cobalt.h similarity index 100% rename from include/asm-mips/mach-cobalt/cobalt.h rename to arch/mips/include/asm/mach-cobalt/cobalt.h diff --git a/include/asm-mips/mach-cobalt/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-cobalt/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-cobalt/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-cobalt/irq.h b/arch/mips/include/asm/mach-cobalt/irq.h similarity index 100% rename from include/asm-mips/mach-cobalt/irq.h rename to arch/mips/include/asm/mach-cobalt/irq.h diff --git a/include/asm-mips/mach-cobalt/mach-gt64120.h b/arch/mips/include/asm/mach-cobalt/mach-gt64120.h similarity index 100% rename from include/asm-mips/mach-cobalt/mach-gt64120.h rename to arch/mips/include/asm/mach-cobalt/mach-gt64120.h diff --git a/include/asm-mips/mach-cobalt/war.h b/arch/mips/include/asm/mach-cobalt/war.h similarity index 100% rename from include/asm-mips/mach-cobalt/war.h rename to arch/mips/include/asm/mach-cobalt/war.h diff --git a/include/asm-mips/mach-db1x00/db1200.h b/arch/mips/include/asm/mach-db1x00/db1200.h similarity index 100% rename from include/asm-mips/mach-db1x00/db1200.h rename to arch/mips/include/asm/mach-db1x00/db1200.h diff --git a/include/asm-mips/mach-db1x00/db1x00.h b/arch/mips/include/asm/mach-db1x00/db1x00.h similarity index 100% rename from include/asm-mips/mach-db1x00/db1x00.h rename to arch/mips/include/asm/mach-db1x00/db1x00.h diff --git a/include/asm-mips/mach-dec/mc146818rtc.h b/arch/mips/include/asm/mach-dec/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-dec/mc146818rtc.h rename to arch/mips/include/asm/mach-dec/mc146818rtc.h diff --git a/include/asm-mips/mach-dec/war.h b/arch/mips/include/asm/mach-dec/war.h similarity index 100% rename from include/asm-mips/mach-dec/war.h rename to arch/mips/include/asm/mach-dec/war.h diff --git a/include/asm-mips/mach-emma2rh/irq.h b/arch/mips/include/asm/mach-emma2rh/irq.h similarity index 100% rename from include/asm-mips/mach-emma2rh/irq.h rename to arch/mips/include/asm/mach-emma2rh/irq.h diff --git a/include/asm-mips/mach-emma2rh/war.h b/arch/mips/include/asm/mach-emma2rh/war.h similarity index 100% rename from include/asm-mips/mach-emma2rh/war.h rename to arch/mips/include/asm/mach-emma2rh/war.h diff --git a/include/asm-mips/mach-excite/cpu-feature-overrides.h b/arch/mips/include/asm/mach-excite/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-excite/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-excite/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-excite/excite.h b/arch/mips/include/asm/mach-excite/excite.h similarity index 100% rename from include/asm-mips/mach-excite/excite.h rename to arch/mips/include/asm/mach-excite/excite.h diff --git a/include/asm-mips/mach-excite/excite_fpga.h b/arch/mips/include/asm/mach-excite/excite_fpga.h similarity index 100% rename from include/asm-mips/mach-excite/excite_fpga.h rename to arch/mips/include/asm/mach-excite/excite_fpga.h diff --git a/include/asm-mips/mach-excite/excite_nandflash.h b/arch/mips/include/asm/mach-excite/excite_nandflash.h similarity index 100% rename from include/asm-mips/mach-excite/excite_nandflash.h rename to arch/mips/include/asm/mach-excite/excite_nandflash.h diff --git a/include/asm-mips/mach-excite/rm9k_eth.h b/arch/mips/include/asm/mach-excite/rm9k_eth.h similarity index 100% rename from include/asm-mips/mach-excite/rm9k_eth.h rename to arch/mips/include/asm/mach-excite/rm9k_eth.h diff --git a/include/asm-mips/mach-excite/rm9k_wdt.h b/arch/mips/include/asm/mach-excite/rm9k_wdt.h similarity index 100% rename from include/asm-mips/mach-excite/rm9k_wdt.h rename to arch/mips/include/asm/mach-excite/rm9k_wdt.h diff --git a/include/asm-mips/mach-excite/rm9k_xicap.h b/arch/mips/include/asm/mach-excite/rm9k_xicap.h similarity index 100% rename from include/asm-mips/mach-excite/rm9k_xicap.h rename to arch/mips/include/asm/mach-excite/rm9k_xicap.h diff --git a/include/asm-mips/mach-excite/war.h b/arch/mips/include/asm/mach-excite/war.h similarity index 100% rename from include/asm-mips/mach-excite/war.h rename to arch/mips/include/asm/mach-excite/war.h diff --git a/include/asm-mips/mach-generic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-generic/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-generic/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-generic/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h similarity index 100% rename from include/asm-mips/mach-generic/dma-coherence.h rename to arch/mips/include/asm/mach-generic/dma-coherence.h diff --git a/include/asm-mips/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h similarity index 100% rename from include/asm-mips/mach-generic/floppy.h rename to arch/mips/include/asm/mach-generic/floppy.h diff --git a/include/asm-mips/mach-generic/gpio.h b/arch/mips/include/asm/mach-generic/gpio.h similarity index 100% rename from include/asm-mips/mach-generic/gpio.h rename to arch/mips/include/asm/mach-generic/gpio.h diff --git a/include/asm-mips/mach-generic/ide.h b/arch/mips/include/asm/mach-generic/ide.h similarity index 100% rename from include/asm-mips/mach-generic/ide.h rename to arch/mips/include/asm/mach-generic/ide.h diff --git a/include/asm-mips/mach-generic/ioremap.h b/arch/mips/include/asm/mach-generic/ioremap.h similarity index 100% rename from include/asm-mips/mach-generic/ioremap.h rename to arch/mips/include/asm/mach-generic/ioremap.h diff --git a/include/asm-mips/mach-generic/irq.h b/arch/mips/include/asm/mach-generic/irq.h similarity index 100% rename from include/asm-mips/mach-generic/irq.h rename to arch/mips/include/asm/mach-generic/irq.h diff --git a/include/asm-mips/mach-generic/kernel-entry-init.h b/arch/mips/include/asm/mach-generic/kernel-entry-init.h similarity index 100% rename from include/asm-mips/mach-generic/kernel-entry-init.h rename to arch/mips/include/asm/mach-generic/kernel-entry-init.h diff --git a/include/asm-mips/mach-generic/kmalloc.h b/arch/mips/include/asm/mach-generic/kmalloc.h similarity index 100% rename from include/asm-mips/mach-generic/kmalloc.h rename to arch/mips/include/asm/mach-generic/kmalloc.h diff --git a/include/asm-mips/mach-generic/mangle-port.h b/arch/mips/include/asm/mach-generic/mangle-port.h similarity index 100% rename from include/asm-mips/mach-generic/mangle-port.h rename to arch/mips/include/asm/mach-generic/mangle-port.h diff --git a/include/asm-mips/mach-generic/mc146818rtc.h b/arch/mips/include/asm/mach-generic/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-generic/mc146818rtc.h rename to arch/mips/include/asm/mach-generic/mc146818rtc.h diff --git a/include/asm-mips/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h similarity index 100% rename from include/asm-mips/mach-generic/spaces.h rename to arch/mips/include/asm/mach-generic/spaces.h diff --git a/include/asm-mips/mach-generic/topology.h b/arch/mips/include/asm/mach-generic/topology.h similarity index 100% rename from include/asm-mips/mach-generic/topology.h rename to arch/mips/include/asm/mach-generic/topology.h diff --git a/include/asm-mips/mach-ip22/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip22/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-ip22/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-ip22/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-ip22/ds1286.h b/arch/mips/include/asm/mach-ip22/ds1286.h similarity index 100% rename from include/asm-mips/mach-ip22/ds1286.h rename to arch/mips/include/asm/mach-ip22/ds1286.h diff --git a/include/asm-mips/mach-ip22/spaces.h b/arch/mips/include/asm/mach-ip22/spaces.h similarity index 100% rename from include/asm-mips/mach-ip22/spaces.h rename to arch/mips/include/asm/mach-ip22/spaces.h diff --git a/include/asm-mips/mach-ip22/war.h b/arch/mips/include/asm/mach-ip22/war.h similarity index 100% rename from include/asm-mips/mach-ip22/war.h rename to arch/mips/include/asm/mach-ip22/war.h diff --git a/include/asm-mips/mach-ip27/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-ip27/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-ip27/dma-coherence.h b/arch/mips/include/asm/mach-ip27/dma-coherence.h similarity index 100% rename from include/asm-mips/mach-ip27/dma-coherence.h rename to arch/mips/include/asm/mach-ip27/dma-coherence.h diff --git a/include/asm-mips/mach-ip27/irq.h b/arch/mips/include/asm/mach-ip27/irq.h similarity index 100% rename from include/asm-mips/mach-ip27/irq.h rename to arch/mips/include/asm/mach-ip27/irq.h diff --git a/include/asm-mips/mach-ip27/kernel-entry-init.h b/arch/mips/include/asm/mach-ip27/kernel-entry-init.h similarity index 100% rename from include/asm-mips/mach-ip27/kernel-entry-init.h rename to arch/mips/include/asm/mach-ip27/kernel-entry-init.h diff --git a/include/asm-mips/mach-ip27/kmalloc.h b/arch/mips/include/asm/mach-ip27/kmalloc.h similarity index 100% rename from include/asm-mips/mach-ip27/kmalloc.h rename to arch/mips/include/asm/mach-ip27/kmalloc.h diff --git a/include/asm-mips/mach-ip27/mangle-port.h b/arch/mips/include/asm/mach-ip27/mangle-port.h similarity index 100% rename from include/asm-mips/mach-ip27/mangle-port.h rename to arch/mips/include/asm/mach-ip27/mangle-port.h diff --git a/include/asm-mips/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h similarity index 100% rename from include/asm-mips/mach-ip27/mmzone.h rename to arch/mips/include/asm/mach-ip27/mmzone.h diff --git a/include/asm-mips/mach-ip27/spaces.h b/arch/mips/include/asm/mach-ip27/spaces.h similarity index 100% rename from include/asm-mips/mach-ip27/spaces.h rename to arch/mips/include/asm/mach-ip27/spaces.h diff --git a/include/asm-mips/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h similarity index 100% rename from include/asm-mips/mach-ip27/topology.h rename to arch/mips/include/asm/mach-ip27/topology.h diff --git a/include/asm-mips/mach-ip27/war.h b/arch/mips/include/asm/mach-ip27/war.h similarity index 100% rename from include/asm-mips/mach-ip27/war.h rename to arch/mips/include/asm/mach-ip27/war.h diff --git a/include/asm-mips/mach-ip28/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip28/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-ip28/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-ip28/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-ip28/ds1286.h b/arch/mips/include/asm/mach-ip28/ds1286.h similarity index 100% rename from include/asm-mips/mach-ip28/ds1286.h rename to arch/mips/include/asm/mach-ip28/ds1286.h diff --git a/include/asm-mips/mach-ip28/spaces.h b/arch/mips/include/asm/mach-ip28/spaces.h similarity index 100% rename from include/asm-mips/mach-ip28/spaces.h rename to arch/mips/include/asm/mach-ip28/spaces.h diff --git a/include/asm-mips/mach-ip28/war.h b/arch/mips/include/asm/mach-ip28/war.h similarity index 100% rename from include/asm-mips/mach-ip28/war.h rename to arch/mips/include/asm/mach-ip28/war.h diff --git a/include/asm-mips/mach-ip32/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ip32/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-ip32/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-ip32/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-ip32/dma-coherence.h b/arch/mips/include/asm/mach-ip32/dma-coherence.h similarity index 100% rename from include/asm-mips/mach-ip32/dma-coherence.h rename to arch/mips/include/asm/mach-ip32/dma-coherence.h diff --git a/include/asm-mips/mach-ip32/kmalloc.h b/arch/mips/include/asm/mach-ip32/kmalloc.h similarity index 100% rename from include/asm-mips/mach-ip32/kmalloc.h rename to arch/mips/include/asm/mach-ip32/kmalloc.h diff --git a/include/asm-mips/mach-ip32/mangle-port.h b/arch/mips/include/asm/mach-ip32/mangle-port.h similarity index 100% rename from include/asm-mips/mach-ip32/mangle-port.h rename to arch/mips/include/asm/mach-ip32/mangle-port.h diff --git a/include/asm-mips/mach-ip32/mc146818rtc.h b/arch/mips/include/asm/mach-ip32/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-ip32/mc146818rtc.h rename to arch/mips/include/asm/mach-ip32/mc146818rtc.h diff --git a/include/asm-mips/mach-ip32/war.h b/arch/mips/include/asm/mach-ip32/war.h similarity index 100% rename from include/asm-mips/mach-ip32/war.h rename to arch/mips/include/asm/mach-ip32/war.h diff --git a/include/asm-mips/mach-jazz/dma-coherence.h b/arch/mips/include/asm/mach-jazz/dma-coherence.h similarity index 100% rename from include/asm-mips/mach-jazz/dma-coherence.h rename to arch/mips/include/asm/mach-jazz/dma-coherence.h diff --git a/include/asm-mips/mach-jazz/floppy.h b/arch/mips/include/asm/mach-jazz/floppy.h similarity index 100% rename from include/asm-mips/mach-jazz/floppy.h rename to arch/mips/include/asm/mach-jazz/floppy.h diff --git a/include/asm-mips/mach-jazz/mc146818rtc.h b/arch/mips/include/asm/mach-jazz/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-jazz/mc146818rtc.h rename to arch/mips/include/asm/mach-jazz/mc146818rtc.h diff --git a/include/asm-mips/mach-jazz/war.h b/arch/mips/include/asm/mach-jazz/war.h similarity index 100% rename from include/asm-mips/mach-jazz/war.h rename to arch/mips/include/asm/mach-jazz/war.h diff --git a/include/asm-mips/mach-lasat/irq.h b/arch/mips/include/asm/mach-lasat/irq.h similarity index 100% rename from include/asm-mips/mach-lasat/irq.h rename to arch/mips/include/asm/mach-lasat/irq.h diff --git a/include/asm-mips/mach-lasat/mach-gt64120.h b/arch/mips/include/asm/mach-lasat/mach-gt64120.h similarity index 100% rename from include/asm-mips/mach-lasat/mach-gt64120.h rename to arch/mips/include/asm/mach-lasat/mach-gt64120.h diff --git a/include/asm-mips/mach-lasat/war.h b/arch/mips/include/asm/mach-lasat/war.h similarity index 100% rename from include/asm-mips/mach-lasat/war.h rename to arch/mips/include/asm/mach-lasat/war.h diff --git a/include/asm-mips/mach-lemote/dma-coherence.h b/arch/mips/include/asm/mach-lemote/dma-coherence.h similarity index 100% rename from include/asm-mips/mach-lemote/dma-coherence.h rename to arch/mips/include/asm/mach-lemote/dma-coherence.h diff --git a/include/asm-mips/mach-lemote/mc146818rtc.h b/arch/mips/include/asm/mach-lemote/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-lemote/mc146818rtc.h rename to arch/mips/include/asm/mach-lemote/mc146818rtc.h diff --git a/include/asm-mips/mach-lemote/war.h b/arch/mips/include/asm/mach-lemote/war.h similarity index 100% rename from include/asm-mips/mach-lemote/war.h rename to arch/mips/include/asm/mach-lemote/war.h diff --git a/include/asm-mips/mach-malta/cpu-feature-overrides.h b/arch/mips/include/asm/mach-malta/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-malta/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-malta/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-malta/irq.h b/arch/mips/include/asm/mach-malta/irq.h similarity index 100% rename from include/asm-mips/mach-malta/irq.h rename to arch/mips/include/asm/mach-malta/irq.h diff --git a/include/asm-mips/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h similarity index 100% rename from include/asm-mips/mach-malta/kernel-entry-init.h rename to arch/mips/include/asm/mach-malta/kernel-entry-init.h diff --git a/include/asm-mips/mach-malta/mach-gt64120.h b/arch/mips/include/asm/mach-malta/mach-gt64120.h similarity index 100% rename from include/asm-mips/mach-malta/mach-gt64120.h rename to arch/mips/include/asm/mach-malta/mach-gt64120.h diff --git a/include/asm-mips/mach-malta/mc146818rtc.h b/arch/mips/include/asm/mach-malta/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-malta/mc146818rtc.h rename to arch/mips/include/asm/mach-malta/mc146818rtc.h diff --git a/include/asm-mips/mach-malta/war.h b/arch/mips/include/asm/mach-malta/war.h similarity index 100% rename from include/asm-mips/mach-malta/war.h rename to arch/mips/include/asm/mach-malta/war.h diff --git a/include/asm-mips/mach-mipssim/cpu-feature-overrides.h b/arch/mips/include/asm/mach-mipssim/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-mipssim/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-mipssim/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-mipssim/war.h b/arch/mips/include/asm/mach-mipssim/war.h similarity index 100% rename from include/asm-mips/mach-mipssim/war.h rename to arch/mips/include/asm/mach-mipssim/war.h diff --git a/include/asm-mips/mach-pb1x00/mc146818rtc.h b/arch/mips/include/asm/mach-pb1x00/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-pb1x00/mc146818rtc.h rename to arch/mips/include/asm/mach-pb1x00/mc146818rtc.h diff --git a/include/asm-mips/mach-pb1x00/pb1000.h b/arch/mips/include/asm/mach-pb1x00/pb1000.h similarity index 100% rename from include/asm-mips/mach-pb1x00/pb1000.h rename to arch/mips/include/asm/mach-pb1x00/pb1000.h diff --git a/include/asm-mips/mach-pb1x00/pb1100.h b/arch/mips/include/asm/mach-pb1x00/pb1100.h similarity index 100% rename from include/asm-mips/mach-pb1x00/pb1100.h rename to arch/mips/include/asm/mach-pb1x00/pb1100.h diff --git a/include/asm-mips/mach-pb1x00/pb1200.h b/arch/mips/include/asm/mach-pb1x00/pb1200.h similarity index 100% rename from include/asm-mips/mach-pb1x00/pb1200.h rename to arch/mips/include/asm/mach-pb1x00/pb1200.h diff --git a/include/asm-mips/mach-pb1x00/pb1500.h b/arch/mips/include/asm/mach-pb1x00/pb1500.h similarity index 100% rename from include/asm-mips/mach-pb1x00/pb1500.h rename to arch/mips/include/asm/mach-pb1x00/pb1500.h diff --git a/include/asm-mips/mach-pb1x00/pb1550.h b/arch/mips/include/asm/mach-pb1x00/pb1550.h similarity index 100% rename from include/asm-mips/mach-pb1x00/pb1550.h rename to arch/mips/include/asm/mach-pb1x00/pb1550.h diff --git a/include/asm-mips/mach-pnx8550/cm.h b/arch/mips/include/asm/mach-pnx8550/cm.h similarity index 100% rename from include/asm-mips/mach-pnx8550/cm.h rename to arch/mips/include/asm/mach-pnx8550/cm.h diff --git a/include/asm-mips/mach-pnx8550/glb.h b/arch/mips/include/asm/mach-pnx8550/glb.h similarity index 100% rename from include/asm-mips/mach-pnx8550/glb.h rename to arch/mips/include/asm/mach-pnx8550/glb.h diff --git a/include/asm-mips/mach-pnx8550/int.h b/arch/mips/include/asm/mach-pnx8550/int.h similarity index 100% rename from include/asm-mips/mach-pnx8550/int.h rename to arch/mips/include/asm/mach-pnx8550/int.h diff --git a/include/asm-mips/mach-pnx8550/kernel-entry-init.h b/arch/mips/include/asm/mach-pnx8550/kernel-entry-init.h similarity index 100% rename from include/asm-mips/mach-pnx8550/kernel-entry-init.h rename to arch/mips/include/asm/mach-pnx8550/kernel-entry-init.h diff --git a/include/asm-mips/mach-pnx8550/nand.h b/arch/mips/include/asm/mach-pnx8550/nand.h similarity index 100% rename from include/asm-mips/mach-pnx8550/nand.h rename to arch/mips/include/asm/mach-pnx8550/nand.h diff --git a/include/asm-mips/mach-pnx8550/pci.h b/arch/mips/include/asm/mach-pnx8550/pci.h similarity index 100% rename from include/asm-mips/mach-pnx8550/pci.h rename to arch/mips/include/asm/mach-pnx8550/pci.h diff --git a/include/asm-mips/mach-pnx8550/uart.h b/arch/mips/include/asm/mach-pnx8550/uart.h similarity index 100% rename from include/asm-mips/mach-pnx8550/uart.h rename to arch/mips/include/asm/mach-pnx8550/uart.h diff --git a/include/asm-mips/mach-pnx8550/usb.h b/arch/mips/include/asm/mach-pnx8550/usb.h similarity index 100% rename from include/asm-mips/mach-pnx8550/usb.h rename to arch/mips/include/asm/mach-pnx8550/usb.h diff --git a/include/asm-mips/mach-pnx8550/war.h b/arch/mips/include/asm/mach-pnx8550/war.h similarity index 100% rename from include/asm-mips/mach-pnx8550/war.h rename to arch/mips/include/asm/mach-pnx8550/war.h diff --git a/include/asm-mips/mach-rc32434/cpu-feature-overrides.h b/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-rc32434/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-rc32434/ddr.h b/arch/mips/include/asm/mach-rc32434/ddr.h similarity index 100% rename from include/asm-mips/mach-rc32434/ddr.h rename to arch/mips/include/asm/mach-rc32434/ddr.h diff --git a/include/asm-mips/mach-rc32434/dma.h b/arch/mips/include/asm/mach-rc32434/dma.h similarity index 100% rename from include/asm-mips/mach-rc32434/dma.h rename to arch/mips/include/asm/mach-rc32434/dma.h diff --git a/include/asm-mips/mach-rc32434/dma_v.h b/arch/mips/include/asm/mach-rc32434/dma_v.h similarity index 100% rename from include/asm-mips/mach-rc32434/dma_v.h rename to arch/mips/include/asm/mach-rc32434/dma_v.h diff --git a/include/asm-mips/mach-rc32434/eth.h b/arch/mips/include/asm/mach-rc32434/eth.h similarity index 100% rename from include/asm-mips/mach-rc32434/eth.h rename to arch/mips/include/asm/mach-rc32434/eth.h diff --git a/include/asm-mips/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h similarity index 100% rename from include/asm-mips/mach-rc32434/gpio.h rename to arch/mips/include/asm/mach-rc32434/gpio.h diff --git a/include/asm-mips/mach-rc32434/integ.h b/arch/mips/include/asm/mach-rc32434/integ.h similarity index 100% rename from include/asm-mips/mach-rc32434/integ.h rename to arch/mips/include/asm/mach-rc32434/integ.h diff --git a/include/asm-mips/mach-rc32434/irq.h b/arch/mips/include/asm/mach-rc32434/irq.h similarity index 100% rename from include/asm-mips/mach-rc32434/irq.h rename to arch/mips/include/asm/mach-rc32434/irq.h diff --git a/include/asm-mips/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h similarity index 100% rename from include/asm-mips/mach-rc32434/pci.h rename to arch/mips/include/asm/mach-rc32434/pci.h diff --git a/include/asm-mips/mach-rc32434/prom.h b/arch/mips/include/asm/mach-rc32434/prom.h similarity index 100% rename from include/asm-mips/mach-rc32434/prom.h rename to arch/mips/include/asm/mach-rc32434/prom.h diff --git a/include/asm-mips/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h similarity index 100% rename from include/asm-mips/mach-rc32434/rb.h rename to arch/mips/include/asm/mach-rc32434/rb.h diff --git a/include/asm-mips/mach-rc32434/rc32434.h b/arch/mips/include/asm/mach-rc32434/rc32434.h similarity index 100% rename from include/asm-mips/mach-rc32434/rc32434.h rename to arch/mips/include/asm/mach-rc32434/rc32434.h diff --git a/include/asm-mips/mach-rc32434/timer.h b/arch/mips/include/asm/mach-rc32434/timer.h similarity index 100% rename from include/asm-mips/mach-rc32434/timer.h rename to arch/mips/include/asm/mach-rc32434/timer.h diff --git a/include/asm-mips/mach-rc32434/war.h b/arch/mips/include/asm/mach-rc32434/war.h similarity index 100% rename from include/asm-mips/mach-rc32434/war.h rename to arch/mips/include/asm/mach-rc32434/war.h diff --git a/include/asm-mips/mach-rm/cpu-feature-overrides.h b/arch/mips/include/asm/mach-rm/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-rm/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-rm/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-rm/mc146818rtc.h b/arch/mips/include/asm/mach-rm/mc146818rtc.h similarity index 100% rename from include/asm-mips/mach-rm/mc146818rtc.h rename to arch/mips/include/asm/mach-rm/mc146818rtc.h diff --git a/include/asm-mips/mach-rm/war.h b/arch/mips/include/asm/mach-rm/war.h similarity index 100% rename from include/asm-mips/mach-rm/war.h rename to arch/mips/include/asm/mach-rm/war.h diff --git a/include/asm-mips/mach-sibyte/cpu-feature-overrides.h b/arch/mips/include/asm/mach-sibyte/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-sibyte/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-sibyte/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h similarity index 100% rename from include/asm-mips/mach-sibyte/war.h rename to arch/mips/include/asm/mach-sibyte/war.h diff --git a/include/asm-mips/mach-tx39xx/ioremap.h b/arch/mips/include/asm/mach-tx39xx/ioremap.h similarity index 100% rename from include/asm-mips/mach-tx39xx/ioremap.h rename to arch/mips/include/asm/mach-tx39xx/ioremap.h diff --git a/include/asm-mips/mach-tx39xx/mangle-port.h b/arch/mips/include/asm/mach-tx39xx/mangle-port.h similarity index 100% rename from include/asm-mips/mach-tx39xx/mangle-port.h rename to arch/mips/include/asm/mach-tx39xx/mangle-port.h diff --git a/include/asm-mips/mach-tx39xx/war.h b/arch/mips/include/asm/mach-tx39xx/war.h similarity index 100% rename from include/asm-mips/mach-tx39xx/war.h rename to arch/mips/include/asm/mach-tx39xx/war.h diff --git a/include/asm-mips/mach-tx49xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-tx49xx/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-tx49xx/ioremap.h b/arch/mips/include/asm/mach-tx49xx/ioremap.h similarity index 100% rename from include/asm-mips/mach-tx49xx/ioremap.h rename to arch/mips/include/asm/mach-tx49xx/ioremap.h diff --git a/include/asm-mips/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h similarity index 100% rename from include/asm-mips/mach-tx49xx/kmalloc.h rename to arch/mips/include/asm/mach-tx49xx/kmalloc.h diff --git a/include/asm-mips/mach-tx49xx/war.h b/arch/mips/include/asm/mach-tx49xx/war.h similarity index 100% rename from include/asm-mips/mach-tx49xx/war.h rename to arch/mips/include/asm/mach-tx49xx/war.h diff --git a/include/asm-mips/mach-vr41xx/irq.h b/arch/mips/include/asm/mach-vr41xx/irq.h similarity index 100% rename from include/asm-mips/mach-vr41xx/irq.h rename to arch/mips/include/asm/mach-vr41xx/irq.h diff --git a/include/asm-mips/mach-vr41xx/war.h b/arch/mips/include/asm/mach-vr41xx/war.h similarity index 100% rename from include/asm-mips/mach-vr41xx/war.h rename to arch/mips/include/asm/mach-vr41xx/war.h diff --git a/include/asm-mips/mach-wrppmc/mach-gt64120.h b/arch/mips/include/asm/mach-wrppmc/mach-gt64120.h similarity index 100% rename from include/asm-mips/mach-wrppmc/mach-gt64120.h rename to arch/mips/include/asm/mach-wrppmc/mach-gt64120.h diff --git a/include/asm-mips/mach-wrppmc/war.h b/arch/mips/include/asm/mach-wrppmc/war.h similarity index 100% rename from include/asm-mips/mach-wrppmc/war.h rename to arch/mips/include/asm/mach-wrppmc/war.h diff --git a/include/asm-mips/mach-yosemite/cpu-feature-overrides.h b/arch/mips/include/asm/mach-yosemite/cpu-feature-overrides.h similarity index 100% rename from include/asm-mips/mach-yosemite/cpu-feature-overrides.h rename to arch/mips/include/asm/mach-yosemite/cpu-feature-overrides.h diff --git a/include/asm-mips/mach-yosemite/war.h b/arch/mips/include/asm/mach-yosemite/war.h similarity index 100% rename from include/asm-mips/mach-yosemite/war.h rename to arch/mips/include/asm/mach-yosemite/war.h diff --git a/include/asm-mips/mc146818-time.h b/arch/mips/include/asm/mc146818-time.h similarity index 100% rename from include/asm-mips/mc146818-time.h rename to arch/mips/include/asm/mc146818-time.h diff --git a/include/asm-mips/mc146818rtc.h b/arch/mips/include/asm/mc146818rtc.h similarity index 100% rename from include/asm-mips/mc146818rtc.h rename to arch/mips/include/asm/mc146818rtc.h diff --git a/include/asm-mips/mips-boards/bonito64.h b/arch/mips/include/asm/mips-boards/bonito64.h similarity index 100% rename from include/asm-mips/mips-boards/bonito64.h rename to arch/mips/include/asm/mips-boards/bonito64.h diff --git a/include/asm-mips/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h similarity index 100% rename from include/asm-mips/mips-boards/generic.h rename to arch/mips/include/asm/mips-boards/generic.h diff --git a/include/asm-mips/mips-boards/launch.h b/arch/mips/include/asm/mips-boards/launch.h similarity index 100% rename from include/asm-mips/mips-boards/launch.h rename to arch/mips/include/asm/mips-boards/launch.h diff --git a/include/asm-mips/mips-boards/malta.h b/arch/mips/include/asm/mips-boards/malta.h similarity index 100% rename from include/asm-mips/mips-boards/malta.h rename to arch/mips/include/asm/mips-boards/malta.h diff --git a/include/asm-mips/mips-boards/maltaint.h b/arch/mips/include/asm/mips-boards/maltaint.h similarity index 100% rename from include/asm-mips/mips-boards/maltaint.h rename to arch/mips/include/asm/mips-boards/maltaint.h diff --git a/include/asm-mips/mips-boards/msc01_pci.h b/arch/mips/include/asm/mips-boards/msc01_pci.h similarity index 100% rename from include/asm-mips/mips-boards/msc01_pci.h rename to arch/mips/include/asm/mips-boards/msc01_pci.h diff --git a/include/asm-mips/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h similarity index 100% rename from include/asm-mips/mips-boards/piix4.h rename to arch/mips/include/asm/mips-boards/piix4.h diff --git a/include/asm-mips/mips-boards/prom.h b/arch/mips/include/asm/mips-boards/prom.h similarity index 100% rename from include/asm-mips/mips-boards/prom.h rename to arch/mips/include/asm/mips-boards/prom.h diff --git a/include/asm-mips/mips-boards/sim.h b/arch/mips/include/asm/mips-boards/sim.h similarity index 100% rename from include/asm-mips/mips-boards/sim.h rename to arch/mips/include/asm/mips-boards/sim.h diff --git a/include/asm-mips/mips-boards/simint.h b/arch/mips/include/asm/mips-boards/simint.h similarity index 100% rename from include/asm-mips/mips-boards/simint.h rename to arch/mips/include/asm/mips-boards/simint.h diff --git a/include/asm-mips/mips_mt.h b/arch/mips/include/asm/mips_mt.h similarity index 100% rename from include/asm-mips/mips_mt.h rename to arch/mips/include/asm/mips_mt.h diff --git a/include/asm-mips/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h similarity index 100% rename from include/asm-mips/mipsmtregs.h rename to arch/mips/include/asm/mipsmtregs.h diff --git a/include/asm-mips/mipsprom.h b/arch/mips/include/asm/mipsprom.h similarity index 100% rename from include/asm-mips/mipsprom.h rename to arch/mips/include/asm/mipsprom.h diff --git a/include/asm-mips/mipsregs.h b/arch/mips/include/asm/mipsregs.h similarity index 100% rename from include/asm-mips/mipsregs.h rename to arch/mips/include/asm/mipsregs.h diff --git a/include/asm-mips/mman.h b/arch/mips/include/asm/mman.h similarity index 100% rename from include/asm-mips/mman.h rename to arch/mips/include/asm/mman.h diff --git a/include/asm-mips/mmu.h b/arch/mips/include/asm/mmu.h similarity index 100% rename from include/asm-mips/mmu.h rename to arch/mips/include/asm/mmu.h diff --git a/include/asm-mips/mmu_context.h b/arch/mips/include/asm/mmu_context.h similarity index 97% rename from include/asm-mips/mmu_context.h rename to arch/mips/include/asm/mmu_context.h index 0c4f245eaeb2..d7f3eb03ad12 100644 --- a/include/asm-mips/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -220,8 +220,8 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next) oldasid = read_c0_entryhi() & ASID_MASK; if(smtc_live_asid[mytlb][oldasid]) { smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu); - if(smtc_live_asid[mytlb][oldasid] == 0) - smtc_flush_tlb_asid(oldasid); + if(smtc_live_asid[mytlb][oldasid] == 0) + smtc_flush_tlb_asid(oldasid); } /* See comments for similar code above */ write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | @@ -285,8 +285,8 @@ drop_mmu_context(struct mm_struct *mm, unsigned cpu) /* SMTC shares the TLB (and ASIDs) across VPEs */ for_each_online_cpu(i) { - if((smtc_status & SMTC_TLB_SHARED) - || (cpu_data[i].vpe_id == cpu_data[cpu].vpe_id)) + if((smtc_status & SMTC_TLB_SHARED) + || (cpu_data[i].vpe_id == cpu_data[cpu].vpe_id)) cpu_context(i, mm) = 0; } #endif /* CONFIG_MIPS_MT_SMTC */ diff --git a/include/asm-mips/mmzone.h b/arch/mips/include/asm/mmzone.h similarity index 100% rename from include/asm-mips/mmzone.h rename to arch/mips/include/asm/mmzone.h diff --git a/include/asm-mips/module.h b/arch/mips/include/asm/module.h similarity index 100% rename from include/asm-mips/module.h rename to arch/mips/include/asm/module.h diff --git a/include/asm-mips/msc01_ic.h b/arch/mips/include/asm/msc01_ic.h similarity index 100% rename from include/asm-mips/msc01_ic.h rename to arch/mips/include/asm/msc01_ic.h diff --git a/include/asm-mips/msgbuf.h b/arch/mips/include/asm/msgbuf.h similarity index 100% rename from include/asm-mips/msgbuf.h rename to arch/mips/include/asm/msgbuf.h diff --git a/include/asm-mips/mutex.h b/arch/mips/include/asm/mutex.h similarity index 100% rename from include/asm-mips/mutex.h rename to arch/mips/include/asm/mutex.h diff --git a/include/asm-mips/nile4.h b/arch/mips/include/asm/nile4.h similarity index 100% rename from include/asm-mips/nile4.h rename to arch/mips/include/asm/nile4.h diff --git a/include/asm-mips/paccess.h b/arch/mips/include/asm/paccess.h similarity index 100% rename from include/asm-mips/paccess.h rename to arch/mips/include/asm/paccess.h diff --git a/include/asm-mips/page.h b/arch/mips/include/asm/page.h similarity index 100% rename from include/asm-mips/page.h rename to arch/mips/include/asm/page.h diff --git a/include/asm-mips/param.h b/arch/mips/include/asm/param.h similarity index 100% rename from include/asm-mips/param.h rename to arch/mips/include/asm/param.h diff --git a/include/asm-mips/parport.h b/arch/mips/include/asm/parport.h similarity index 100% rename from include/asm-mips/parport.h rename to arch/mips/include/asm/parport.h diff --git a/include/asm-mips/pci.h b/arch/mips/include/asm/pci.h similarity index 100% rename from include/asm-mips/pci.h rename to arch/mips/include/asm/pci.h diff --git a/include/asm-mips/pci/bridge.h b/arch/mips/include/asm/pci/bridge.h similarity index 100% rename from include/asm-mips/pci/bridge.h rename to arch/mips/include/asm/pci/bridge.h diff --git a/include/asm-mips/percpu.h b/arch/mips/include/asm/percpu.h similarity index 100% rename from include/asm-mips/percpu.h rename to arch/mips/include/asm/percpu.h diff --git a/include/asm-mips/pgalloc.h b/arch/mips/include/asm/pgalloc.h similarity index 100% rename from include/asm-mips/pgalloc.h rename to arch/mips/include/asm/pgalloc.h diff --git a/include/asm-mips/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h similarity index 100% rename from include/asm-mips/pgtable-32.h rename to arch/mips/include/asm/pgtable-32.h diff --git a/include/asm-mips/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h similarity index 100% rename from include/asm-mips/pgtable-64.h rename to arch/mips/include/asm/pgtable-64.h diff --git a/include/asm-mips/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h similarity index 100% rename from include/asm-mips/pgtable-bits.h rename to arch/mips/include/asm/pgtable-bits.h diff --git a/include/asm-mips/pgtable.h b/arch/mips/include/asm/pgtable.h similarity index 100% rename from include/asm-mips/pgtable.h rename to arch/mips/include/asm/pgtable.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/gpio.h b/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/gpio.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_cic_int.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_cic_int.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_int.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_int.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_int.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_int.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_pci.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_pci.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_pci.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_pci.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_prom.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_prom.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_prom.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_prom.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_regops.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_regops.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_regops.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_regs.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_regs.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_regs.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h b/arch/mips/include/asm/pmc-sierra/msp71xx/msp_slp_int.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/msp_slp_int.h diff --git a/include/asm-mips/pmc-sierra/msp71xx/war.h b/arch/mips/include/asm/pmc-sierra/msp71xx/war.h similarity index 100% rename from include/asm-mips/pmc-sierra/msp71xx/war.h rename to arch/mips/include/asm/pmc-sierra/msp71xx/war.h diff --git a/include/asm-mips/pmon.h b/arch/mips/include/asm/pmon.h similarity index 100% rename from include/asm-mips/pmon.h rename to arch/mips/include/asm/pmon.h diff --git a/include/asm-mips/poll.h b/arch/mips/include/asm/poll.h similarity index 100% rename from include/asm-mips/poll.h rename to arch/mips/include/asm/poll.h diff --git a/include/asm-mips/posix_types.h b/arch/mips/include/asm/posix_types.h similarity index 100% rename from include/asm-mips/posix_types.h rename to arch/mips/include/asm/posix_types.h diff --git a/include/asm-mips/prefetch.h b/arch/mips/include/asm/prefetch.h similarity index 100% rename from include/asm-mips/prefetch.h rename to arch/mips/include/asm/prefetch.h diff --git a/include/asm-mips/processor.h b/arch/mips/include/asm/processor.h similarity index 100% rename from include/asm-mips/processor.h rename to arch/mips/include/asm/processor.h diff --git a/include/asm-mips/ptrace.h b/arch/mips/include/asm/ptrace.h similarity index 100% rename from include/asm-mips/ptrace.h rename to arch/mips/include/asm/ptrace.h diff --git a/include/asm-mips/r4k-timer.h b/arch/mips/include/asm/r4k-timer.h similarity index 100% rename from include/asm-mips/r4k-timer.h rename to arch/mips/include/asm/r4k-timer.h diff --git a/include/asm-mips/r4kcache.h b/arch/mips/include/asm/r4kcache.h similarity index 100% rename from include/asm-mips/r4kcache.h rename to arch/mips/include/asm/r4kcache.h diff --git a/include/asm-mips/reboot.h b/arch/mips/include/asm/reboot.h similarity index 100% rename from include/asm-mips/reboot.h rename to arch/mips/include/asm/reboot.h diff --git a/include/asm-mips/reg.h b/arch/mips/include/asm/reg.h similarity index 100% rename from include/asm-mips/reg.h rename to arch/mips/include/asm/reg.h diff --git a/include/asm-mips/regdef.h b/arch/mips/include/asm/regdef.h similarity index 100% rename from include/asm-mips/regdef.h rename to arch/mips/include/asm/regdef.h diff --git a/include/asm-mips/resource.h b/arch/mips/include/asm/resource.h similarity index 100% rename from include/asm-mips/resource.h rename to arch/mips/include/asm/resource.h diff --git a/include/asm-mips/rm9k-ocd.h b/arch/mips/include/asm/rm9k-ocd.h similarity index 100% rename from include/asm-mips/rm9k-ocd.h rename to arch/mips/include/asm/rm9k-ocd.h diff --git a/include/asm-mips/rtlx.h b/arch/mips/include/asm/rtlx.h similarity index 100% rename from include/asm-mips/rtlx.h rename to arch/mips/include/asm/rtlx.h diff --git a/include/asm-mips/scatterlist.h b/arch/mips/include/asm/scatterlist.h similarity index 100% rename from include/asm-mips/scatterlist.h rename to arch/mips/include/asm/scatterlist.h diff --git a/include/asm-mips/seccomp.h b/arch/mips/include/asm/seccomp.h similarity index 100% rename from include/asm-mips/seccomp.h rename to arch/mips/include/asm/seccomp.h diff --git a/include/asm-mips/sections.h b/arch/mips/include/asm/sections.h similarity index 100% rename from include/asm-mips/sections.h rename to arch/mips/include/asm/sections.h diff --git a/include/asm-mips/segment.h b/arch/mips/include/asm/segment.h similarity index 100% rename from include/asm-mips/segment.h rename to arch/mips/include/asm/segment.h diff --git a/include/asm-mips/sembuf.h b/arch/mips/include/asm/sembuf.h similarity index 100% rename from include/asm-mips/sembuf.h rename to arch/mips/include/asm/sembuf.h diff --git a/include/asm-mips/serial.h b/arch/mips/include/asm/serial.h similarity index 100% rename from include/asm-mips/serial.h rename to arch/mips/include/asm/serial.h diff --git a/include/asm-mips/setup.h b/arch/mips/include/asm/setup.h similarity index 100% rename from include/asm-mips/setup.h rename to arch/mips/include/asm/setup.h diff --git a/include/asm-mips/sgi/gio.h b/arch/mips/include/asm/sgi/gio.h similarity index 100% rename from include/asm-mips/sgi/gio.h rename to arch/mips/include/asm/sgi/gio.h diff --git a/include/asm-mips/sgi/hpc3.h b/arch/mips/include/asm/sgi/hpc3.h similarity index 100% rename from include/asm-mips/sgi/hpc3.h rename to arch/mips/include/asm/sgi/hpc3.h diff --git a/include/asm-mips/sgi/ioc.h b/arch/mips/include/asm/sgi/ioc.h similarity index 100% rename from include/asm-mips/sgi/ioc.h rename to arch/mips/include/asm/sgi/ioc.h diff --git a/include/asm-mips/sgi/ip22.h b/arch/mips/include/asm/sgi/ip22.h similarity index 100% rename from include/asm-mips/sgi/ip22.h rename to arch/mips/include/asm/sgi/ip22.h diff --git a/include/asm-mips/sgi/mc.h b/arch/mips/include/asm/sgi/mc.h similarity index 100% rename from include/asm-mips/sgi/mc.h rename to arch/mips/include/asm/sgi/mc.h diff --git a/include/asm-mips/sgi/pi1.h b/arch/mips/include/asm/sgi/pi1.h similarity index 100% rename from include/asm-mips/sgi/pi1.h rename to arch/mips/include/asm/sgi/pi1.h diff --git a/include/asm-mips/sgi/seeq.h b/arch/mips/include/asm/sgi/seeq.h similarity index 100% rename from include/asm-mips/sgi/seeq.h rename to arch/mips/include/asm/sgi/seeq.h diff --git a/include/asm-mips/sgi/sgi.h b/arch/mips/include/asm/sgi/sgi.h similarity index 100% rename from include/asm-mips/sgi/sgi.h rename to arch/mips/include/asm/sgi/sgi.h diff --git a/include/asm-mips/sgi/wd.h b/arch/mips/include/asm/sgi/wd.h similarity index 100% rename from include/asm-mips/sgi/wd.h rename to arch/mips/include/asm/sgi/wd.h diff --git a/include/asm-mips/sgialib.h b/arch/mips/include/asm/sgialib.h similarity index 100% rename from include/asm-mips/sgialib.h rename to arch/mips/include/asm/sgialib.h diff --git a/include/asm-mips/sgiarcs.h b/arch/mips/include/asm/sgiarcs.h similarity index 100% rename from include/asm-mips/sgiarcs.h rename to arch/mips/include/asm/sgiarcs.h diff --git a/include/asm-mips/sgidefs.h b/arch/mips/include/asm/sgidefs.h similarity index 100% rename from include/asm-mips/sgidefs.h rename to arch/mips/include/asm/sgidefs.h diff --git a/include/asm-mips/shmbuf.h b/arch/mips/include/asm/shmbuf.h similarity index 100% rename from include/asm-mips/shmbuf.h rename to arch/mips/include/asm/shmbuf.h diff --git a/include/asm-mips/shmparam.h b/arch/mips/include/asm/shmparam.h similarity index 100% rename from include/asm-mips/shmparam.h rename to arch/mips/include/asm/shmparam.h diff --git a/include/asm-mips/sibyte/bcm1480_int.h b/arch/mips/include/asm/sibyte/bcm1480_int.h similarity index 100% rename from include/asm-mips/sibyte/bcm1480_int.h rename to arch/mips/include/asm/sibyte/bcm1480_int.h diff --git a/include/asm-mips/sibyte/bcm1480_l2c.h b/arch/mips/include/asm/sibyte/bcm1480_l2c.h similarity index 100% rename from include/asm-mips/sibyte/bcm1480_l2c.h rename to arch/mips/include/asm/sibyte/bcm1480_l2c.h diff --git a/include/asm-mips/sibyte/bcm1480_mc.h b/arch/mips/include/asm/sibyte/bcm1480_mc.h similarity index 100% rename from include/asm-mips/sibyte/bcm1480_mc.h rename to arch/mips/include/asm/sibyte/bcm1480_mc.h diff --git a/include/asm-mips/sibyte/bcm1480_regs.h b/arch/mips/include/asm/sibyte/bcm1480_regs.h similarity index 100% rename from include/asm-mips/sibyte/bcm1480_regs.h rename to arch/mips/include/asm/sibyte/bcm1480_regs.h diff --git a/include/asm-mips/sibyte/bcm1480_scd.h b/arch/mips/include/asm/sibyte/bcm1480_scd.h similarity index 100% rename from include/asm-mips/sibyte/bcm1480_scd.h rename to arch/mips/include/asm/sibyte/bcm1480_scd.h diff --git a/include/asm-mips/sibyte/bigsur.h b/arch/mips/include/asm/sibyte/bigsur.h similarity index 100% rename from include/asm-mips/sibyte/bigsur.h rename to arch/mips/include/asm/sibyte/bigsur.h diff --git a/include/asm-mips/sibyte/board.h b/arch/mips/include/asm/sibyte/board.h similarity index 100% rename from include/asm-mips/sibyte/board.h rename to arch/mips/include/asm/sibyte/board.h diff --git a/include/asm-mips/sibyte/carmel.h b/arch/mips/include/asm/sibyte/carmel.h similarity index 100% rename from include/asm-mips/sibyte/carmel.h rename to arch/mips/include/asm/sibyte/carmel.h diff --git a/include/asm-mips/sibyte/sb1250.h b/arch/mips/include/asm/sibyte/sb1250.h similarity index 100% rename from include/asm-mips/sibyte/sb1250.h rename to arch/mips/include/asm/sibyte/sb1250.h diff --git a/include/asm-mips/sibyte/sb1250_defs.h b/arch/mips/include/asm/sibyte/sb1250_defs.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_defs.h rename to arch/mips/include/asm/sibyte/sb1250_defs.h diff --git a/include/asm-mips/sibyte/sb1250_dma.h b/arch/mips/include/asm/sibyte/sb1250_dma.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_dma.h rename to arch/mips/include/asm/sibyte/sb1250_dma.h diff --git a/include/asm-mips/sibyte/sb1250_genbus.h b/arch/mips/include/asm/sibyte/sb1250_genbus.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_genbus.h rename to arch/mips/include/asm/sibyte/sb1250_genbus.h diff --git a/include/asm-mips/sibyte/sb1250_int.h b/arch/mips/include/asm/sibyte/sb1250_int.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_int.h rename to arch/mips/include/asm/sibyte/sb1250_int.h diff --git a/include/asm-mips/sibyte/sb1250_l2c.h b/arch/mips/include/asm/sibyte/sb1250_l2c.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_l2c.h rename to arch/mips/include/asm/sibyte/sb1250_l2c.h diff --git a/include/asm-mips/sibyte/sb1250_ldt.h b/arch/mips/include/asm/sibyte/sb1250_ldt.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_ldt.h rename to arch/mips/include/asm/sibyte/sb1250_ldt.h diff --git a/include/asm-mips/sibyte/sb1250_mac.h b/arch/mips/include/asm/sibyte/sb1250_mac.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_mac.h rename to arch/mips/include/asm/sibyte/sb1250_mac.h diff --git a/include/asm-mips/sibyte/sb1250_mc.h b/arch/mips/include/asm/sibyte/sb1250_mc.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_mc.h rename to arch/mips/include/asm/sibyte/sb1250_mc.h diff --git a/include/asm-mips/sibyte/sb1250_regs.h b/arch/mips/include/asm/sibyte/sb1250_regs.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_regs.h rename to arch/mips/include/asm/sibyte/sb1250_regs.h diff --git a/include/asm-mips/sibyte/sb1250_scd.h b/arch/mips/include/asm/sibyte/sb1250_scd.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_scd.h rename to arch/mips/include/asm/sibyte/sb1250_scd.h diff --git a/include/asm-mips/sibyte/sb1250_smbus.h b/arch/mips/include/asm/sibyte/sb1250_smbus.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_smbus.h rename to arch/mips/include/asm/sibyte/sb1250_smbus.h diff --git a/include/asm-mips/sibyte/sb1250_syncser.h b/arch/mips/include/asm/sibyte/sb1250_syncser.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_syncser.h rename to arch/mips/include/asm/sibyte/sb1250_syncser.h diff --git a/include/asm-mips/sibyte/sb1250_uart.h b/arch/mips/include/asm/sibyte/sb1250_uart.h similarity index 100% rename from include/asm-mips/sibyte/sb1250_uart.h rename to arch/mips/include/asm/sibyte/sb1250_uart.h diff --git a/include/asm-mips/sibyte/sentosa.h b/arch/mips/include/asm/sibyte/sentosa.h similarity index 100% rename from include/asm-mips/sibyte/sentosa.h rename to arch/mips/include/asm/sibyte/sentosa.h diff --git a/include/asm-mips/sibyte/swarm.h b/arch/mips/include/asm/sibyte/swarm.h similarity index 100% rename from include/asm-mips/sibyte/swarm.h rename to arch/mips/include/asm/sibyte/swarm.h diff --git a/include/asm-mips/sigcontext.h b/arch/mips/include/asm/sigcontext.h similarity index 100% rename from include/asm-mips/sigcontext.h rename to arch/mips/include/asm/sigcontext.h diff --git a/include/asm-mips/siginfo.h b/arch/mips/include/asm/siginfo.h similarity index 100% rename from include/asm-mips/siginfo.h rename to arch/mips/include/asm/siginfo.h diff --git a/include/asm-mips/signal.h b/arch/mips/include/asm/signal.h similarity index 100% rename from include/asm-mips/signal.h rename to arch/mips/include/asm/signal.h diff --git a/include/asm-mips/sim.h b/arch/mips/include/asm/sim.h similarity index 100% rename from include/asm-mips/sim.h rename to arch/mips/include/asm/sim.h diff --git a/include/asm-mips/smp-ops.h b/arch/mips/include/asm/smp-ops.h similarity index 100% rename from include/asm-mips/smp-ops.h rename to arch/mips/include/asm/smp-ops.h diff --git a/include/asm-mips/smp.h b/arch/mips/include/asm/smp.h similarity index 100% rename from include/asm-mips/smp.h rename to arch/mips/include/asm/smp.h diff --git a/include/asm-mips/smtc.h b/arch/mips/include/asm/smtc.h similarity index 100% rename from include/asm-mips/smtc.h rename to arch/mips/include/asm/smtc.h diff --git a/include/asm-mips/smtc_ipi.h b/arch/mips/include/asm/smtc_ipi.h similarity index 100% rename from include/asm-mips/smtc_ipi.h rename to arch/mips/include/asm/smtc_ipi.h diff --git a/include/asm-mips/smtc_proc.h b/arch/mips/include/asm/smtc_proc.h similarity index 100% rename from include/asm-mips/smtc_proc.h rename to arch/mips/include/asm/smtc_proc.h diff --git a/include/asm-mips/smvp.h b/arch/mips/include/asm/smvp.h similarity index 100% rename from include/asm-mips/smvp.h rename to arch/mips/include/asm/smvp.h diff --git a/include/asm-mips/sn/addrs.h b/arch/mips/include/asm/sn/addrs.h similarity index 100% rename from include/asm-mips/sn/addrs.h rename to arch/mips/include/asm/sn/addrs.h diff --git a/include/asm-mips/sn/agent.h b/arch/mips/include/asm/sn/agent.h similarity index 100% rename from include/asm-mips/sn/agent.h rename to arch/mips/include/asm/sn/agent.h diff --git a/include/asm-mips/sn/arch.h b/arch/mips/include/asm/sn/arch.h similarity index 100% rename from include/asm-mips/sn/arch.h rename to arch/mips/include/asm/sn/arch.h diff --git a/include/asm-mips/sn/fru.h b/arch/mips/include/asm/sn/fru.h similarity index 100% rename from include/asm-mips/sn/fru.h rename to arch/mips/include/asm/sn/fru.h diff --git a/include/asm-mips/sn/gda.h b/arch/mips/include/asm/sn/gda.h similarity index 100% rename from include/asm-mips/sn/gda.h rename to arch/mips/include/asm/sn/gda.h diff --git a/include/asm-mips/sn/hub.h b/arch/mips/include/asm/sn/hub.h similarity index 100% rename from include/asm-mips/sn/hub.h rename to arch/mips/include/asm/sn/hub.h diff --git a/include/asm-mips/sn/intr.h b/arch/mips/include/asm/sn/intr.h similarity index 100% rename from include/asm-mips/sn/intr.h rename to arch/mips/include/asm/sn/intr.h diff --git a/include/asm-mips/sn/io.h b/arch/mips/include/asm/sn/io.h similarity index 100% rename from include/asm-mips/sn/io.h rename to arch/mips/include/asm/sn/io.h diff --git a/include/asm-mips/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h similarity index 100% rename from include/asm-mips/sn/ioc3.h rename to arch/mips/include/asm/sn/ioc3.h diff --git a/include/asm-mips/sn/klconfig.h b/arch/mips/include/asm/sn/klconfig.h similarity index 96% rename from include/asm-mips/sn/klconfig.h rename to arch/mips/include/asm/sn/klconfig.h index 96cfd2ab1bcd..09e590daca17 100644 --- a/include/asm-mips/sn/klconfig.h +++ b/arch/mips/include/asm/sn/klconfig.h @@ -425,7 +425,7 @@ typedef struct lboard_s { unsigned char brd_sversion; /* version of this structure */ unsigned char brd_brevision; /* board revision */ unsigned char brd_promver; /* board prom version, if any */ - unsigned char brd_flags; /* Enabled, Disabled etc */ + unsigned char brd_flags; /* Enabled, Disabled etc */ unsigned char brd_slot; /* slot number */ unsigned short brd_debugsw; /* Debug switches */ moduleid_t brd_module; /* module to which it belongs */ @@ -595,9 +595,9 @@ typedef struct klcpu_s { /* CPU */ klinfo_t cpu_info; unsigned short cpu_prid; /* Processor PRID value */ unsigned short cpu_fpirr; /* FPU IRR value */ - unsigned short cpu_speed; /* Speed in MHZ */ - unsigned short cpu_scachesz; /* secondary cache size in MB */ - unsigned short cpu_scachespeed;/* secondary cache speed in MHz */ + unsigned short cpu_speed; /* Speed in MHZ */ + unsigned short cpu_scachesz; /* secondary cache size in MB */ + unsigned short cpu_scachespeed;/* secondary cache speed in MHz */ } klcpu_t ; #define CPU_STRUCT_VERSION 2 @@ -621,7 +621,7 @@ typedef struct klhub_uart_s { /* HUB */ typedef struct klmembnk_s { /* MEMORY BANK */ klinfo_t membnk_info; - short membnk_memsz; /* Total memory in megabytes */ + short membnk_memsz; /* Total memory in megabytes */ short membnk_dimm_select; /* bank to physical addr mapping*/ short membnk_bnksz[MD_MEM_BANKS]; /* Memory bank sizes */ short membnk_attr; @@ -657,7 +657,7 @@ typedef struct klmod_serial_num_s { typedef struct klxbow_s { /* XBOW */ klinfo_t xbow_info ; - klport_t xbow_port_info[MAX_XBOW_LINKS] ; /* Module number */ + klport_t xbow_port_info[MAX_XBOW_LINKS] ; /* Module number */ int xbow_master_hub_link; /* type of brd connected+component struct ptr+flags */ } klxbow_t ; @@ -673,9 +673,9 @@ typedef struct klpci_device_s { typedef struct klbri_s { /* BRIDGE */ klinfo_t bri_info ; - unsigned char bri_eprominfo ; /* IO6prom connected to bridge */ - unsigned char bri_bustype ; /* PCI/VME BUS bridge/GIO */ - pci_t pci_specific ; /* PCI Board config info */ + unsigned char bri_eprominfo ; /* IO6prom connected to bridge */ + unsigned char bri_bustype ; /* PCI/VME BUS bridge/GIO */ + pci_t pci_specific ; /* PCI Board config info */ klpci_device_t bri_devices[MAX_PCI_DEVS] ; /* PCI IDs */ klconf_off_t bri_mfg_nic ; } klbri_t ; @@ -684,9 +684,9 @@ typedef struct klbri_s { /* BRIDGE */ typedef struct klioc3_s { /* IOC3 */ klinfo_t ioc3_info ; - unsigned char ioc3_ssram ; /* Info about ssram */ - unsigned char ioc3_nvram ; /* Info about nvram */ - klinfo_t ioc3_superio ; /* Info about superio */ + unsigned char ioc3_ssram ; /* Info about ssram */ + unsigned char ioc3_nvram ; /* Info about nvram */ + klinfo_t ioc3_superio ; /* Info about superio */ klconf_off_t ioc3_tty_off ; klinfo_t ioc3_enet ; klconf_off_t ioc3_enet_off ; @@ -698,13 +698,13 @@ typedef struct klioc3_s { /* IOC3 */ typedef struct klvmeb_s { /* VME BRIDGE - PCI CTLR */ klinfo_t vmeb_info ; vmeb_t vmeb_specific ; - klconf_off_t vmeb_brdinfo[MAX_VME_SLOTS] ; /* VME Board config info */ + klconf_off_t vmeb_brdinfo[MAX_VME_SLOTS] ; /* VME Board config info */ } klvmeb_t ; typedef struct klvmed_s { /* VME DEVICE - VME BOARD */ klinfo_t vmed_info ; vmed_t vmed_specific ; - klconf_off_t vmed_brdinfo[MAX_VME_SLOTS] ; /* VME Board config info */ + klconf_off_t vmed_brdinfo[MAX_VME_SLOTS] ; /* VME Board config info */ } klvmed_t ; #define ROUTER_VECTOR_VERS 2 @@ -714,7 +714,7 @@ typedef struct klrou_s { /* ROUTER */ klinfo_t rou_info ; unsigned int rou_flags ; /* PCFG_ROUTER_xxx flags */ nic_t rou_box_nic ; /* nic of the containing module */ - klport_t rou_port[MAX_ROUTER_PORTS + 1] ; /* array index 1 to 6 */ + klport_t rou_port[MAX_ROUTER_PORTS + 1] ; /* array index 1 to 6 */ klconf_off_t rou_mfg_nic ; /* MFG NIC string */ u64 rou_vector; /* vector from master node */ } klrou_t ; @@ -769,7 +769,7 @@ typedef struct klgsn_s { /* GSN board */ typedef struct klscsi_s { /* SCSI Controller */ klinfo_t scsi_info ; - scsi_t scsi_specific ; + scsi_t scsi_specific ; unsigned char scsi_numdevs ; klconf_off_t scsi_devinfo[MAX_SCSI_DEVS] ; } klscsi_t ; @@ -803,13 +803,13 @@ typedef struct klmsdev_s { /* mouse device */ typedef struct klfddi_s { /* FDDI */ klinfo_t fddi_info ; - fddi_t fddi_specific ; + fddi_t fddi_specific ; klconf_off_t fddi_devinfo[MAX_FDDI_DEVS] ; } klfddi_t ; typedef struct klmio_s { /* MIO */ klinfo_t mio_info ; - mio_t mio_specific ; + mio_t mio_specific ; } klmio_t ; diff --git a/include/asm-mips/sn/kldir.h b/arch/mips/include/asm/sn/kldir.h similarity index 100% rename from include/asm-mips/sn/kldir.h rename to arch/mips/include/asm/sn/kldir.h diff --git a/include/asm-mips/sn/klkernvars.h b/arch/mips/include/asm/sn/klkernvars.h similarity index 100% rename from include/asm-mips/sn/klkernvars.h rename to arch/mips/include/asm/sn/klkernvars.h diff --git a/include/asm-mips/sn/launch.h b/arch/mips/include/asm/sn/launch.h similarity index 100% rename from include/asm-mips/sn/launch.h rename to arch/mips/include/asm/sn/launch.h diff --git a/include/asm-mips/sn/mapped_kernel.h b/arch/mips/include/asm/sn/mapped_kernel.h similarity index 100% rename from include/asm-mips/sn/mapped_kernel.h rename to arch/mips/include/asm/sn/mapped_kernel.h diff --git a/include/asm-mips/sn/nmi.h b/arch/mips/include/asm/sn/nmi.h similarity index 100% rename from include/asm-mips/sn/nmi.h rename to arch/mips/include/asm/sn/nmi.h diff --git a/include/asm-mips/sn/sn0/addrs.h b/arch/mips/include/asm/sn/sn0/addrs.h similarity index 100% rename from include/asm-mips/sn/sn0/addrs.h rename to arch/mips/include/asm/sn/sn0/addrs.h diff --git a/include/asm-mips/sn/sn0/arch.h b/arch/mips/include/asm/sn/sn0/arch.h similarity index 100% rename from include/asm-mips/sn/sn0/arch.h rename to arch/mips/include/asm/sn/sn0/arch.h diff --git a/include/asm-mips/sn/sn0/hub.h b/arch/mips/include/asm/sn/sn0/hub.h similarity index 100% rename from include/asm-mips/sn/sn0/hub.h rename to arch/mips/include/asm/sn/sn0/hub.h diff --git a/include/asm-mips/sn/sn0/hubio.h b/arch/mips/include/asm/sn/sn0/hubio.h similarity index 96% rename from include/asm-mips/sn/sn0/hubio.h rename to arch/mips/include/asm/sn/sn0/hubio.h index 0187895e556c..d0c29d4de084 100644 --- a/include/asm-mips/sn/sn0/hubio.h +++ b/arch/mips/include/asm/sn/sn0/hubio.h @@ -175,10 +175,10 @@ typedef union hubii_wid_u { u64 wid_reg_value; struct { u64 wid_rsvd: 32, /* unused */ - wid_rev_num: 4, /* revision number */ - wid_part_num: 16, /* the widget type: hub=c101 */ - wid_mfg_num: 11, /* Manufacturer id (IBM) */ - wid_rsvd1: 1; /* Reserved */ + wid_rev_num: 4, /* revision number */ + wid_part_num: 16, /* the widget type: hub=c101 */ + wid_mfg_num: 11, /* Manufacturer id (IBM) */ + wid_rsvd1: 1; /* Reserved */ } wid_fields_s; } hubii_wid_t; @@ -187,13 +187,13 @@ typedef union hubii_wcr_u { u64 wcr_reg_value; struct { u64 wcr_rsvd: 41, /* unused */ - wcr_e_thresh: 5, /* elasticity threshold */ + wcr_e_thresh: 5, /* elasticity threshold */ wcr_dir_con: 1, /* widget direct connect */ - wcr_f_bad_pkt: 1, /* Force bad llp pkt enable */ - wcr_xbar_crd: 3, /* LLP crossbar credit */ - wcr_rsvd1: 8, /* Reserved */ + wcr_f_bad_pkt: 1, /* Force bad llp pkt enable */ + wcr_xbar_crd: 3, /* LLP crossbar credit */ + wcr_rsvd1: 8, /* Reserved */ wcr_tag_mode: 1, /* Tag mode */ - wcr_widget_id: 4; /* LLP crossbar credit */ + wcr_widget_id: 4; /* LLP crossbar credit */ } wcr_fields_s; } hubii_wcr_t; @@ -220,14 +220,14 @@ typedef union hubii_ilcsr_u { u64 icsr_reg_value; struct { u64 icsr_rsvd: 22, /* unused */ - icsr_max_burst: 10, /* max burst */ + icsr_max_burst: 10, /* max burst */ icsr_rsvd4: 6, /* reserved */ - icsr_max_retry: 10, /* max retry */ + icsr_max_retry: 10, /* max retry */ icsr_rsvd3: 2, /* reserved */ icsr_lnk_stat: 2, /* link status */ icsr_bm8: 1, /* Bit mode 8 */ icsr_llp_en: 1, /* LLP enable bit */ - icsr_rsvd2: 1, /* reserver */ + icsr_rsvd2: 1, /* reserver */ icsr_wrm_reset: 1, /* Warm reset bit */ icsr_rsvd1: 2, /* Data ready offset */ icsr_null_to: 6; /* Null timeout */ @@ -240,9 +240,9 @@ typedef union hubii_iowa_u { u64 iowa_reg_value; struct { u64 iowa_rsvd: 48, /* unused */ - iowa_wxoac: 8, /* xtalk widget access bits */ - iowa_rsvd1: 7, /* xtalk widget access bits */ - iowa_w0oac: 1; /* xtalk widget access bits */ + iowa_wxoac: 8, /* xtalk widget access bits */ + iowa_rsvd1: 7, /* xtalk widget access bits */ + iowa_w0oac: 1; /* xtalk widget access bits */ } iowa_fields_s; } hubii_iowa_t; @@ -261,7 +261,7 @@ typedef union hubii_illr_u { struct { u64 illr_rsvd: 32, /* unused */ illr_cb_cnt: 16, /* checkbit error count */ - illr_sn_cnt: 16; /* sequence number count */ + illr_sn_cnt: 16; /* sequence number count */ } illr_fields_s; } hubii_illr_t; @@ -275,7 +275,7 @@ typedef union io_perf_sel { struct { u64 perf_rsvd : 48, perf_icct : 8, - perf_ippr1 : 4, + perf_ippr1 : 4, perf_ippr0 : 4; } perf_sel_bits; } io_perf_sel_t; @@ -733,7 +733,7 @@ typedef union hubii_ifdr_u { u64 ifdr_rsvd: 49, ifdr_maxrp: 7, ifdr_rsvd1: 1, - ifdr_maxrq: 7; + ifdr_maxrq: 7; } hi_ifdr_fields; } hubii_ifdr_t; diff --git a/include/asm-mips/sn/sn0/hubmd.h b/arch/mips/include/asm/sn/sn0/hubmd.h similarity index 100% rename from include/asm-mips/sn/sn0/hubmd.h rename to arch/mips/include/asm/sn/sn0/hubmd.h diff --git a/include/asm-mips/sn/sn0/hubni.h b/arch/mips/include/asm/sn/sn0/hubni.h similarity index 100% rename from include/asm-mips/sn/sn0/hubni.h rename to arch/mips/include/asm/sn/sn0/hubni.h diff --git a/include/asm-mips/sn/sn0/hubpi.h b/arch/mips/include/asm/sn/sn0/hubpi.h similarity index 100% rename from include/asm-mips/sn/sn0/hubpi.h rename to arch/mips/include/asm/sn/sn0/hubpi.h diff --git a/include/asm-mips/sn/sn0/ip27.h b/arch/mips/include/asm/sn/sn0/ip27.h similarity index 100% rename from include/asm-mips/sn/sn0/ip27.h rename to arch/mips/include/asm/sn/sn0/ip27.h diff --git a/include/asm-mips/sn/sn_private.h b/arch/mips/include/asm/sn/sn_private.h similarity index 100% rename from include/asm-mips/sn/sn_private.h rename to arch/mips/include/asm/sn/sn_private.h diff --git a/include/asm-mips/sn/types.h b/arch/mips/include/asm/sn/types.h similarity index 100% rename from include/asm-mips/sn/types.h rename to arch/mips/include/asm/sn/types.h diff --git a/include/asm-mips/sni.h b/arch/mips/include/asm/sni.h similarity index 100% rename from include/asm-mips/sni.h rename to arch/mips/include/asm/sni.h diff --git a/include/asm-mips/socket.h b/arch/mips/include/asm/socket.h similarity index 100% rename from include/asm-mips/socket.h rename to arch/mips/include/asm/socket.h diff --git a/include/asm-mips/sockios.h b/arch/mips/include/asm/sockios.h similarity index 100% rename from include/asm-mips/sockios.h rename to arch/mips/include/asm/sockios.h diff --git a/include/asm-mips/sparsemem.h b/arch/mips/include/asm/sparsemem.h similarity index 100% rename from include/asm-mips/sparsemem.h rename to arch/mips/include/asm/sparsemem.h diff --git a/include/asm-mips/spinlock.h b/arch/mips/include/asm/spinlock.h similarity index 100% rename from include/asm-mips/spinlock.h rename to arch/mips/include/asm/spinlock.h diff --git a/include/asm-mips/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h similarity index 100% rename from include/asm-mips/spinlock_types.h rename to arch/mips/include/asm/spinlock_types.h diff --git a/include/asm-mips/stackframe.h b/arch/mips/include/asm/stackframe.h similarity index 100% rename from include/asm-mips/stackframe.h rename to arch/mips/include/asm/stackframe.h diff --git a/include/asm-mips/stacktrace.h b/arch/mips/include/asm/stacktrace.h similarity index 100% rename from include/asm-mips/stacktrace.h rename to arch/mips/include/asm/stacktrace.h diff --git a/include/asm-mips/stat.h b/arch/mips/include/asm/stat.h similarity index 100% rename from include/asm-mips/stat.h rename to arch/mips/include/asm/stat.h diff --git a/include/asm-mips/statfs.h b/arch/mips/include/asm/statfs.h similarity index 100% rename from include/asm-mips/statfs.h rename to arch/mips/include/asm/statfs.h diff --git a/include/asm-mips/string.h b/arch/mips/include/asm/string.h similarity index 100% rename from include/asm-mips/string.h rename to arch/mips/include/asm/string.h diff --git a/include/asm-mips/suspend.h b/arch/mips/include/asm/suspend.h similarity index 100% rename from include/asm-mips/suspend.h rename to arch/mips/include/asm/suspend.h diff --git a/include/asm-mips/sysmips.h b/arch/mips/include/asm/sysmips.h similarity index 100% rename from include/asm-mips/sysmips.h rename to arch/mips/include/asm/sysmips.h diff --git a/include/asm-mips/system.h b/arch/mips/include/asm/system.h similarity index 100% rename from include/asm-mips/system.h rename to arch/mips/include/asm/system.h diff --git a/include/asm-mips/termbits.h b/arch/mips/include/asm/termbits.h similarity index 100% rename from include/asm-mips/termbits.h rename to arch/mips/include/asm/termbits.h diff --git a/include/asm-mips/termios.h b/arch/mips/include/asm/termios.h similarity index 100% rename from include/asm-mips/termios.h rename to arch/mips/include/asm/termios.h diff --git a/include/asm-mips/thread_info.h b/arch/mips/include/asm/thread_info.h similarity index 100% rename from include/asm-mips/thread_info.h rename to arch/mips/include/asm/thread_info.h diff --git a/include/asm-mips/time.h b/arch/mips/include/asm/time.h similarity index 100% rename from include/asm-mips/time.h rename to arch/mips/include/asm/time.h diff --git a/include/asm-mips/timex.h b/arch/mips/include/asm/timex.h similarity index 100% rename from include/asm-mips/timex.h rename to arch/mips/include/asm/timex.h diff --git a/include/asm-mips/titan_dep.h b/arch/mips/include/asm/titan_dep.h similarity index 100% rename from include/asm-mips/titan_dep.h rename to arch/mips/include/asm/titan_dep.h diff --git a/include/asm-mips/tlb.h b/arch/mips/include/asm/tlb.h similarity index 100% rename from include/asm-mips/tlb.h rename to arch/mips/include/asm/tlb.h diff --git a/include/asm-mips/tlbdebug.h b/arch/mips/include/asm/tlbdebug.h similarity index 100% rename from include/asm-mips/tlbdebug.h rename to arch/mips/include/asm/tlbdebug.h diff --git a/include/asm-mips/tlbflush.h b/arch/mips/include/asm/tlbflush.h similarity index 100% rename from include/asm-mips/tlbflush.h rename to arch/mips/include/asm/tlbflush.h diff --git a/include/asm-mips/topology.h b/arch/mips/include/asm/topology.h similarity index 100% rename from include/asm-mips/topology.h rename to arch/mips/include/asm/topology.h diff --git a/include/asm-mips/traps.h b/arch/mips/include/asm/traps.h similarity index 100% rename from include/asm-mips/traps.h rename to arch/mips/include/asm/traps.h diff --git a/include/asm-mips/txx9/boards.h b/arch/mips/include/asm/txx9/boards.h similarity index 100% rename from include/asm-mips/txx9/boards.h rename to arch/mips/include/asm/txx9/boards.h diff --git a/include/asm-mips/txx9/generic.h b/arch/mips/include/asm/txx9/generic.h similarity index 100% rename from include/asm-mips/txx9/generic.h rename to arch/mips/include/asm/txx9/generic.h diff --git a/include/asm-mips/txx9/jmr3927.h b/arch/mips/include/asm/txx9/jmr3927.h similarity index 100% rename from include/asm-mips/txx9/jmr3927.h rename to arch/mips/include/asm/txx9/jmr3927.h diff --git a/include/asm-mips/txx9/pci.h b/arch/mips/include/asm/txx9/pci.h similarity index 100% rename from include/asm-mips/txx9/pci.h rename to arch/mips/include/asm/txx9/pci.h diff --git a/include/asm-mips/txx9/rbtx4927.h b/arch/mips/include/asm/txx9/rbtx4927.h similarity index 100% rename from include/asm-mips/txx9/rbtx4927.h rename to arch/mips/include/asm/txx9/rbtx4927.h diff --git a/include/asm-mips/txx9/rbtx4938.h b/arch/mips/include/asm/txx9/rbtx4938.h similarity index 100% rename from include/asm-mips/txx9/rbtx4938.h rename to arch/mips/include/asm/txx9/rbtx4938.h diff --git a/include/asm-mips/txx9/rbtx4939.h b/arch/mips/include/asm/txx9/rbtx4939.h similarity index 100% rename from include/asm-mips/txx9/rbtx4939.h rename to arch/mips/include/asm/txx9/rbtx4939.h diff --git a/include/asm-mips/txx9/smsc_fdc37m81x.h b/arch/mips/include/asm/txx9/smsc_fdc37m81x.h similarity index 100% rename from include/asm-mips/txx9/smsc_fdc37m81x.h rename to arch/mips/include/asm/txx9/smsc_fdc37m81x.h diff --git a/include/asm-mips/txx9/spi.h b/arch/mips/include/asm/txx9/spi.h similarity index 100% rename from include/asm-mips/txx9/spi.h rename to arch/mips/include/asm/txx9/spi.h diff --git a/include/asm-mips/txx9/tx3927.h b/arch/mips/include/asm/txx9/tx3927.h similarity index 100% rename from include/asm-mips/txx9/tx3927.h rename to arch/mips/include/asm/txx9/tx3927.h diff --git a/include/asm-mips/txx9/tx4927.h b/arch/mips/include/asm/txx9/tx4927.h similarity index 100% rename from include/asm-mips/txx9/tx4927.h rename to arch/mips/include/asm/txx9/tx4927.h diff --git a/include/asm-mips/txx9/tx4927pcic.h b/arch/mips/include/asm/txx9/tx4927pcic.h similarity index 100% rename from include/asm-mips/txx9/tx4927pcic.h rename to arch/mips/include/asm/txx9/tx4927pcic.h diff --git a/include/asm-mips/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h similarity index 100% rename from include/asm-mips/txx9/tx4938.h rename to arch/mips/include/asm/txx9/tx4938.h diff --git a/include/asm-mips/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h similarity index 100% rename from include/asm-mips/txx9/tx4939.h rename to arch/mips/include/asm/txx9/tx4939.h diff --git a/include/asm-mips/txx9irq.h b/arch/mips/include/asm/txx9irq.h similarity index 100% rename from include/asm-mips/txx9irq.h rename to arch/mips/include/asm/txx9irq.h diff --git a/include/asm-mips/txx9pio.h b/arch/mips/include/asm/txx9pio.h similarity index 100% rename from include/asm-mips/txx9pio.h rename to arch/mips/include/asm/txx9pio.h diff --git a/include/asm-mips/txx9tmr.h b/arch/mips/include/asm/txx9tmr.h similarity index 100% rename from include/asm-mips/txx9tmr.h rename to arch/mips/include/asm/txx9tmr.h diff --git a/include/asm-mips/types.h b/arch/mips/include/asm/types.h similarity index 100% rename from include/asm-mips/types.h rename to arch/mips/include/asm/types.h diff --git a/include/asm-mips/uaccess.h b/arch/mips/include/asm/uaccess.h similarity index 100% rename from include/asm-mips/uaccess.h rename to arch/mips/include/asm/uaccess.h diff --git a/include/asm-mips/ucontext.h b/arch/mips/include/asm/ucontext.h similarity index 100% rename from include/asm-mips/ucontext.h rename to arch/mips/include/asm/ucontext.h diff --git a/include/asm-mips/unaligned.h b/arch/mips/include/asm/unaligned.h similarity index 100% rename from include/asm-mips/unaligned.h rename to arch/mips/include/asm/unaligned.h diff --git a/include/asm-mips/unistd.h b/arch/mips/include/asm/unistd.h similarity index 100% rename from include/asm-mips/unistd.h rename to arch/mips/include/asm/unistd.h diff --git a/include/asm-mips/user.h b/arch/mips/include/asm/user.h similarity index 100% rename from include/asm-mips/user.h rename to arch/mips/include/asm/user.h diff --git a/include/asm-mips/vga.h b/arch/mips/include/asm/vga.h similarity index 100% rename from include/asm-mips/vga.h rename to arch/mips/include/asm/vga.h diff --git a/include/asm-mips/vpe.h b/arch/mips/include/asm/vpe.h similarity index 100% rename from include/asm-mips/vpe.h rename to arch/mips/include/asm/vpe.h diff --git a/include/asm-mips/vr41xx/capcella.h b/arch/mips/include/asm/vr41xx/capcella.h similarity index 100% rename from include/asm-mips/vr41xx/capcella.h rename to arch/mips/include/asm/vr41xx/capcella.h diff --git a/include/asm-mips/vr41xx/giu.h b/arch/mips/include/asm/vr41xx/giu.h similarity index 100% rename from include/asm-mips/vr41xx/giu.h rename to arch/mips/include/asm/vr41xx/giu.h diff --git a/include/asm-mips/vr41xx/irq.h b/arch/mips/include/asm/vr41xx/irq.h similarity index 100% rename from include/asm-mips/vr41xx/irq.h rename to arch/mips/include/asm/vr41xx/irq.h diff --git a/include/asm-mips/vr41xx/mpc30x.h b/arch/mips/include/asm/vr41xx/mpc30x.h similarity index 100% rename from include/asm-mips/vr41xx/mpc30x.h rename to arch/mips/include/asm/vr41xx/mpc30x.h diff --git a/include/asm-mips/vr41xx/pci.h b/arch/mips/include/asm/vr41xx/pci.h similarity index 100% rename from include/asm-mips/vr41xx/pci.h rename to arch/mips/include/asm/vr41xx/pci.h diff --git a/include/asm-mips/vr41xx/siu.h b/arch/mips/include/asm/vr41xx/siu.h similarity index 100% rename from include/asm-mips/vr41xx/siu.h rename to arch/mips/include/asm/vr41xx/siu.h diff --git a/include/asm-mips/vr41xx/tb0219.h b/arch/mips/include/asm/vr41xx/tb0219.h similarity index 100% rename from include/asm-mips/vr41xx/tb0219.h rename to arch/mips/include/asm/vr41xx/tb0219.h diff --git a/include/asm-mips/vr41xx/tb0226.h b/arch/mips/include/asm/vr41xx/tb0226.h similarity index 100% rename from include/asm-mips/vr41xx/tb0226.h rename to arch/mips/include/asm/vr41xx/tb0226.h diff --git a/include/asm-mips/vr41xx/tb0287.h b/arch/mips/include/asm/vr41xx/tb0287.h similarity index 100% rename from include/asm-mips/vr41xx/tb0287.h rename to arch/mips/include/asm/vr41xx/tb0287.h diff --git a/include/asm-mips/vr41xx/vr41xx.h b/arch/mips/include/asm/vr41xx/vr41xx.h similarity index 100% rename from include/asm-mips/vr41xx/vr41xx.h rename to arch/mips/include/asm/vr41xx/vr41xx.h diff --git a/include/asm-mips/war.h b/arch/mips/include/asm/war.h similarity index 100% rename from include/asm-mips/war.h rename to arch/mips/include/asm/war.h diff --git a/include/asm-mips/wbflush.h b/arch/mips/include/asm/wbflush.h similarity index 100% rename from include/asm-mips/wbflush.h rename to arch/mips/include/asm/wbflush.h diff --git a/include/asm-mips/xor.h b/arch/mips/include/asm/xor.h similarity index 100% rename from include/asm-mips/xor.h rename to arch/mips/include/asm/xor.h diff --git a/include/asm-mips/xtalk/xtalk.h b/arch/mips/include/asm/xtalk/xtalk.h similarity index 100% rename from include/asm-mips/xtalk/xtalk.h rename to arch/mips/include/asm/xtalk/xtalk.h diff --git a/include/asm-mips/xtalk/xwidget.h b/arch/mips/include/asm/xtalk/xwidget.h similarity index 100% rename from include/asm-mips/xtalk/xwidget.h rename to arch/mips/include/asm/xtalk/xwidget.h -- GitLab From d86a8123b11a9a40d850f6e88b89c948c2477da3 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 11 Oct 2008 16:18:53 +0100 Subject: [PATCH 3698/6244] MIPS: IP checksums: Remove unncessary folding of sum to 16 bit. Signed-off-by: Ralf Baechle --- arch/mips/lib/csum_partial.S | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index edac9892c51a..201d82ee4c71 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S @@ -276,11 +276,6 @@ LEAF(csum_partial) dsra32 sum, sum, 0 addu sum, v1 #endif - sll v1, sum, 16 - addu sum, v1 - sltu v1, sum, v1 - srl sum, sum, 16 - addu sum, v1 /* odd buffer alignment? */ beqz t7, 1f @@ -678,11 +673,6 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc) dsra32 sum, sum, 0 addu sum, v1 #endif - sll v1, sum, 16 - addu sum, v1 - sltu v1, sum, v1 - srl sum, sum, 16 - addu sum, v1 /* odd buffer alignment? */ beqz odd, 1f -- GitLab From 60724ca59eda766a30be57aec6b49bc3e2bead91 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 11 Oct 2008 16:18:53 +0100 Subject: [PATCH 3699/6244] MIPS: IP checksums: Remove unncessary .set pseudos They possibly silence meaningful warnings ... Signed-off-by: Ralf Baechle --- arch/mips/lib/csum_partial.S | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index 201d82ee4c71..84d5e6a1e76f 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S @@ -55,20 +55,14 @@ #define UNIT(unit) ((unit)*NBYTES) #define ADDC(sum,reg) \ - .set push; \ - .set noat; \ ADD sum, reg; \ sltu v1, sum, reg; \ ADD sum, v1; \ - .set pop #define ADDC32(sum,reg) \ - .set push; \ - .set noat; \ addu sum, reg; \ sltu v1, sum, reg; \ addu sum, v1; \ - .set pop #define CSUM_BIGCHUNK1(src, offset, sum, _t0, _t1, _t2, _t3) \ LOAD _t0, (offset + UNIT(0))(src); \ @@ -267,8 +261,6 @@ LEAF(csum_partial) 1: ADDC(sum, t1) /* fold checksum */ - .set push - .set noat #ifdef USE_DOUBLE dsll32 v1, sum, 0 daddu sum, v1 @@ -284,7 +276,6 @@ LEAF(csum_partial) srl sum, sum, 8 or sum, v1 andi sum, 0xffff - .set pop 1: .set reorder /* Add the passed partial csum. */ @@ -664,8 +655,6 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc) ADDC(sum, t2) .Ldone: /* fold checksum */ - .set push - .set noat #ifdef USE_DOUBLE dsll32 v1, sum, 0 daddu sum, v1 @@ -681,7 +670,6 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc) srl sum, sum, 8 or sum, v1 andi sum, 0xffff - .set pop 1: .set reorder ADDC32(sum, psum) -- GitLab From b65a75b8c91c0f05047399401407371678fe9549 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 11 Oct 2008 16:18:53 +0100 Subject: [PATCH 3700/6244] MIPS: IP checksums: Optimize adjust of sum on buffers of odd alignment. Signed-off-by: Ralf Baechle --- arch/mips/lib/csum_partial.S | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S index 84d5e6a1e76f..6b876ca299ee 100644 --- a/arch/mips/lib/csum_partial.S +++ b/arch/mips/lib/csum_partial.S @@ -270,13 +270,20 @@ LEAF(csum_partial) #endif /* odd buffer alignment? */ - beqz t7, 1f - nop - sll v1, sum, 8 +#ifdef CPU_MIPSR2 + wsbh v1, sum + movn sum, v1, t7 +#else + beqz t7, 1f /* odd buffer alignment? */ + lui v1, 0x00ff + addu v1, 0x00ff + and t0, sum, v1 + sll t0, t0, 8 srl sum, sum, 8 - or sum, v1 - andi sum, 0xffff + and sum, sum, v1 + or sum, sum, t0 1: +#endif .set reorder /* Add the passed partial csum. */ ADDC32(sum, a2) @@ -663,14 +670,20 @@ EXC( sb t0, NBYTES-2(dst), .Ls_exc) addu sum, v1 #endif - /* odd buffer alignment? */ - beqz odd, 1f - nop - sll v1, sum, 8 +#ifdef CPU_MIPSR2 + wsbh v1, sum + movn sum, v1, odd +#else + beqz odd, 1f /* odd buffer alignment? */ + lui v1, 0x00ff + addu v1, 0x00ff + and t0, sum, v1 + sll t0, t0, 8 srl sum, sum, 8 - or sum, v1 - andi sum, 0xffff + and sum, sum, v1 + or sum, sum, t0 1: +#endif .set reorder ADDC32(sum, psum) jr ra -- GitLab From 2a31b03335e570dce5fdd082e0d71d48b2cb4290 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 28 Aug 2008 15:17:49 +0100 Subject: [PATCH 3701/6244] MIPS: Rewrite spinlocks to ticket locks. Based on patch by Chad Reese of Cavium Networks. Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 5 - arch/mips/include/asm/spinlock.h | 253 ++++++++++++++++++------- arch/mips/include/asm/spinlock_types.h | 7 +- 3 files changed, 188 insertions(+), 77 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c15416c2e89d..16097a8f5c52 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -610,11 +610,6 @@ source "arch/mips/vr41xx/Kconfig" endmenu -config GENERIC_LOCKBREAK - bool - default y - depends on SMP && PREEMPT - config RWSEM_GENERIC_SPINLOCK bool default y diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index bb897016c491..5d98a3cb85b7 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -9,62 +9,125 @@ #ifndef _ASM_SPINLOCK_H #define _ASM_SPINLOCK_H +#include + #include #include /* * Your basic SMP spinlocks, allowing only a single CPU anywhere + * + * Simple spin lock operations. There are two variants, one clears IRQ's + * on the local processor, one does not. + * + * These are fair FIFO ticket locks + * + * (the type definitions are in asm/spinlock_types.h) */ -#define __raw_spin_is_locked(x) ((x)->lock != 0) -#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) -#define __raw_spin_unlock_wait(x) \ - do { cpu_relax(); } while ((x)->lock) /* - * Simple spin lock operations. There are two variants, one clears IRQ's - * on the local processor, one does not. - * - * We make no fairness assumptions. They have a cost. + * Ticket locks are conceptually two parts, one indicating the current head of + * the queue, and the other indicating the current tail. The lock is acquired + * by atomically noting the tail and incrementing it by one (thus adding + * ourself to the queue and noting our position), then waiting until the head + * becomes equal to the the initial value of the tail. */ +static inline int __raw_spin_is_locked(raw_spinlock_t *lock) +{ + unsigned int counters = ACCESS_ONCE(lock->lock); + + return ((counters >> 14) ^ counters) & 0x1fff; +} + +#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) +#define __raw_spin_unlock_wait(x) \ + while (__raw_spin_is_locked(x)) { cpu_relax(); } + +static inline int __raw_spin_is_contended(raw_spinlock_t *lock) +{ + unsigned int counters = ACCESS_ONCE(lock->lock); + + return (((counters >> 14) - counters) & 0x1fff) > 1; +} + static inline void __raw_spin_lock(raw_spinlock_t *lock) { - unsigned int tmp; + int my_ticket; + int tmp; if (R10000_LLSC_WAR) { - __asm__ __volatile__( - " .set noreorder # __raw_spin_lock \n" - "1: ll %1, %2 \n" - " bnez %1, 1b \n" - " li %1, 1 \n" - " sc %1, %0 \n" - " beqzl %1, 1b \n" + __asm__ __volatile__ ( + " .set push # __raw_spin_lock \n" + " .set noreorder \n" + " \n" + "1: ll %[ticket], %[ticket_ptr] \n" + " addiu %[my_ticket], %[ticket], 0x4000 \n" + " sc %[my_ticket], %[ticket_ptr] \n" + " beqzl %[my_ticket], 1b \n" " nop \n" - " .set reorder \n" - : "=m" (lock->lock), "=&r" (tmp) - : "m" (lock->lock) - : "memory"); + " srl %[my_ticket], %[ticket], 14 \n" + " andi %[my_ticket], %[my_ticket], 0x1fff \n" + " andi %[ticket], %[ticket], 0x1fff \n" + " bne %[ticket], %[my_ticket], 4f \n" + " subu %[ticket], %[my_ticket], %[ticket] \n" + "2: \n" + " .subsection 2 \n" + "4: andi %[ticket], %[ticket], 0x1fff \n" + "5: sll %[ticket], 5 \n" + " \n" + "6: bnez %[ticket], 6b \n" + " subu %[ticket], 1 \n" + " \n" + " lw %[ticket], %[ticket_ptr] \n" + " andi %[ticket], %[ticket], 0x1fff \n" + " beq %[ticket], %[my_ticket], 2b \n" + " subu %[ticket], %[my_ticket], %[ticket] \n" + " b 5b \n" + " subu %[ticket], %[ticket], 1 \n" + " .previous \n" + " .set pop \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp), + [my_ticket] "=&r" (my_ticket)); } else { - __asm__ __volatile__( - " .set noreorder # __raw_spin_lock \n" - "1: ll %1, %2 \n" - " bnez %1, 2f \n" - " li %1, 1 \n" - " sc %1, %0 \n" - " beqz %1, 2f \n" + __asm__ __volatile__ ( + " .set push # __raw_spin_lock \n" + " .set noreorder \n" + " \n" + " ll %[ticket], %[ticket_ptr] \n" + "1: addiu %[my_ticket], %[ticket], 0x4000 \n" + " sc %[my_ticket], %[ticket_ptr] \n" + " beqz %[my_ticket], 3f \n" " nop \n" + " srl %[my_ticket], %[ticket], 14 \n" + " andi %[my_ticket], %[my_ticket], 0x1fff \n" + " andi %[ticket], %[ticket], 0x1fff \n" + " bne %[ticket], %[my_ticket], 4f \n" + " subu %[ticket], %[my_ticket], %[ticket] \n" + "2: \n" " .subsection 2 \n" - "2: ll %1, %2 \n" - " bnez %1, 2b \n" - " li %1, 1 \n" - " b 1b \n" - " nop \n" + "3: b 1b \n" + " ll %[ticket], %[ticket_ptr] \n" + " \n" + "4: andi %[ticket], %[ticket], 0x1fff \n" + "5: sll %[ticket], 5 \n" + " \n" + "6: bnez %[ticket], 6b \n" + " subu %[ticket], 1 \n" + " \n" + " lw %[ticket], %[ticket_ptr] \n" + " andi %[ticket], %[ticket], 0x1fff \n" + " beq %[ticket], %[my_ticket], 2b \n" + " subu %[ticket], %[my_ticket], %[ticket] \n" + " b 5b \n" + " subu %[ticket], %[ticket], 1 \n" " .previous \n" - " .set reorder \n" - : "=m" (lock->lock), "=&r" (tmp) - : "m" (lock->lock) - : "memory"); + " .set pop \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp), + [my_ticket] "=&r" (my_ticket)); } smp_llsc_mb(); @@ -72,55 +135,103 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) static inline void __raw_spin_unlock(raw_spinlock_t *lock) { - smp_mb(); + int tmp; - __asm__ __volatile__( - " .set noreorder # __raw_spin_unlock \n" - " sw $0, %0 \n" - " .set\treorder \n" - : "=m" (lock->lock) - : "m" (lock->lock) - : "memory"); + smp_llsc_mb(); + + if (R10000_LLSC_WAR) { + __asm__ __volatile__ ( + " # __raw_spin_unlock \n" + "1: ll %[ticket], %[ticket_ptr] \n" + " addiu %[ticket], %[ticket], 1 \n" + " ori %[ticket], %[ticket], 0x2000 \n" + " xori %[ticket], %[ticket], 0x2000 \n" + " sc %[ticket], %[ticket_ptr] \n" + " beqzl %[ticket], 2f \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp)); + } else { + __asm__ __volatile__ ( + " .set push # __raw_spin_unlock \n" + " .set noreorder \n" + " \n" + " ll %[ticket], %[ticket_ptr] \n" + "1: addiu %[ticket], %[ticket], 1 \n" + " ori %[ticket], %[ticket], 0x2000 \n" + " xori %[ticket], %[ticket], 0x2000 \n" + " sc %[ticket], %[ticket_ptr] \n" + " beqz %[ticket], 2f \n" + " nop \n" + " \n" + " .subsection 2 \n" + "2: b 1b \n" + " ll %[ticket], %[ticket_ptr] \n" + " .previous \n" + " .set pop \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp)); + } } static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock) { - unsigned int temp, res; + int tmp, tmp2, tmp3; if (R10000_LLSC_WAR) { - __asm__ __volatile__( - " .set noreorder # __raw_spin_trylock \n" - "1: ll %0, %3 \n" - " ori %2, %0, 1 \n" - " sc %2, %1 \n" - " beqzl %2, 1b \n" - " nop \n" - " andi %2, %0, 1 \n" - " .set reorder" - : "=&r" (temp), "=m" (lock->lock), "=&r" (res) - : "m" (lock->lock) - : "memory"); + __asm__ __volatile__ ( + " .set push # __raw_spin_trylock \n" + " .set noreorder \n" + " \n" + "1: ll %[ticket], %[ticket_ptr] \n" + " srl %[my_ticket], %[ticket], 14 \n" + " andi %[my_ticket], %[my_ticket], 0x1fff \n" + " andi %[now_serving], %[ticket], 0x1fff \n" + " bne %[my_ticket], %[now_serving], 3f \n" + " addiu %[ticket], %[ticket], 0x4000 \n" + " sc %[ticket], %[ticket_ptr] \n" + " beqzl %[ticket], 1b \n" + " li %[ticket], 1 \n" + "2: \n" + " .subsection 2 \n" + "3: b 2b \n" + " li %[ticket], 0 \n" + " .previous \n" + " .set pop \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp), + [my_ticket] "=&r" (tmp2), + [now_serving] "=&r" (tmp3)); } else { - __asm__ __volatile__( - " .set noreorder # __raw_spin_trylock \n" - "1: ll %0, %3 \n" - " ori %2, %0, 1 \n" - " sc %2, %1 \n" - " beqz %2, 2f \n" - " andi %2, %0, 1 \n" + __asm__ __volatile__ ( + " .set push # __raw_spin_trylock \n" + " .set noreorder \n" + " \n" + " ll %[ticket], %[ticket_ptr] \n" + "1: srl %[my_ticket], %[ticket], 14 \n" + " andi %[my_ticket], %[my_ticket], 0x1fff \n" + " andi %[now_serving], %[ticket], 0x1fff \n" + " bne %[my_ticket], %[now_serving], 3f \n" + " addiu %[ticket], %[ticket], 0x4000 \n" + " sc %[ticket], %[ticket_ptr] \n" + " beqz %[ticket], 4f \n" + " li %[ticket], 1 \n" + "2: \n" " .subsection 2 \n" - "2: b 1b \n" - " nop \n" + "3: b 2b \n" + " li %[ticket], 0 \n" + "4: b 1b \n" + " ll %[ticket], %[ticket_ptr] \n" " .previous \n" - " .set reorder" - : "=&r" (temp), "=m" (lock->lock), "=&r" (res) - : "m" (lock->lock) - : "memory"); + " .set pop \n" + : [ticket_ptr] "+m" (lock->lock), + [ticket] "=&r" (tmp), + [my_ticket] "=&r" (tmp2), + [now_serving] "=&r" (tmp3)); } smp_llsc_mb(); - return res == 0; + return tmp; } /* diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h index ce26c5048b15..adeedaa116c1 100644 --- a/arch/mips/include/asm/spinlock_types.h +++ b/arch/mips/include/asm/spinlock_types.h @@ -6,7 +6,12 @@ #endif typedef struct { - volatile unsigned int lock; + /* + * bits 0..13: serving_now + * bits 14 : junk data + * bits 15..28: ticket + */ + unsigned int lock; } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED { 0 } -- GitLab From 4bacc68766b11c191ee1567f54103f109c002f4f Mon Sep 17 00:00:00 2001 From: Atsushi Nemoto Date: Thu, 18 Sep 2008 00:13:58 +0900 Subject: [PATCH 3702/6244] MIPS: TXx9: Add TX4939 ATA support (v2) Add a helper routine to register tx4939ide driver and use it on RBTX4939 board. Signed-off-by: Atsushi Nemoto Acked-by: Sergei Shtylyov Signed-off-by: Ralf Baechle --- arch/mips/include/asm/txx9/tx4939.h | 1 + arch/mips/txx9/generic/setup_tx4939.c | 46 +++++++++++++++++++++++++++ arch/mips/txx9/rbtx4939/setup.c | 1 + 3 files changed, 48 insertions(+) diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h index 7ce2dff3b7cc..88badb423010 100644 --- a/arch/mips/include/asm/txx9/tx4939.h +++ b/arch/mips/include/asm/txx9/tx4939.h @@ -540,5 +540,6 @@ void tx4939_setup_pcierr_irq(void); void tx4939_irq_init(void); int tx4939_irq(void); void tx4939_mtd_init(int ch); +void tx4939_ata_init(void); #endif /* __ASM_TXX9_TX4939_H */ diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index f14a497077da..6c0049a5bbc1 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -389,6 +390,51 @@ void __init tx4939_mtd_init(int ch) txx9_physmap_flash_init(ch, start, size, &pdata); } +#define TX4939_ATA_REG_PHYS(ch) (TX4939_ATA_REG(ch) & 0xfffffffffULL) +void __init tx4939_ata_init(void) +{ + static struct resource ata0_res[] = { + { + .start = TX4939_ATA_REG_PHYS(0), + .end = TX4939_ATA_REG_PHYS(0) + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = TXX9_IRQ_BASE + TX4939_IR_ATA(0), + .flags = IORESOURCE_IRQ, + }, + }; + static struct resource ata1_res[] = { + { + .start = TX4939_ATA_REG_PHYS(1), + .end = TX4939_ATA_REG_PHYS(1) + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = TXX9_IRQ_BASE + TX4939_IR_ATA(1), + .flags = IORESOURCE_IRQ, + }, + }; + static struct platform_device ata0_dev = { + .name = "tx4939ide", + .id = 0, + .num_resources = ARRAY_SIZE(ata0_res), + .resource = ata0_res, + }; + static struct platform_device ata1_dev = { + .name = "tx4939ide", + .id = 1, + .num_resources = ARRAY_SIZE(ata1_res), + .resource = ata1_res, + }; + __u64 pcfg = __raw_readq(&tx4939_ccfgptr->pcfg); + + if (pcfg & TX4939_PCFG_ATA0MODE) + platform_device_register(&ata0_dev); + if ((pcfg & (TX4939_PCFG_ATA1MODE | + TX4939_PCFG_ET1MODE | + TX4939_PCFG_ET0MODE)) == TX4939_PCFG_ATA1MODE) + platform_device_register(&ata1_dev); +} + static void __init tx4939_stop_unused_modules(void) { __u64 pcfg, rst = 0, ckd = 0; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index 277864d5e779..9855d7bccc20 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -264,6 +264,7 @@ static void __init rbtx4939_device_init(void) #endif rbtx4939_led_setup(); tx4939_wdt_init(); + tx4939_ata_init(); } static void __init rbtx4939_setup(void) -- GitLab From 71ec6ccfdc2706e767189d40016fc802305067bb Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 31 Oct 2006 02:52:56 +0000 Subject: [PATCH 3703/6244] MIPS: Replace use of with native implementations. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/uaccess.h | 264 +++++++++++++++++++++++++++++++- 1 file changed, 263 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index b895144d577a..09ff5bb17445 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -13,7 +13,6 @@ #include #include #include -#include /* * The fs value determines whether argument validity checking should be @@ -373,6 +372,269 @@ do { \ extern void __put_user_unknown(void); +/* + * put_user_unaligned: - Write a simple value into user space. + * @x: Value to copy to user space. + * @ptr: Destination address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple value from kernel space to user + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and @x must be assignable + * to the result of dereferencing @ptr. + * + * Returns zero on success, or -EFAULT on error. + */ +#define put_user_unaligned(x,ptr) \ + __put_user_unaligned_check((x),(ptr),sizeof(*(ptr))) + +/* + * get_user_unaligned: - Get a simple variable from user space. + * @x: Variable to store result. + * @ptr: Source address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple variable from user space to kernel + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and the result of + * dereferencing @ptr must be assignable to @x without a cast. + * + * Returns zero on success, or -EFAULT on error. + * On error, the variable @x is set to zero. + */ +#define get_user_unaligned(x,ptr) \ + __get_user_unaligned_check((x),(ptr),sizeof(*(ptr))) + +/* + * __put_user_unaligned: - Write a simple value into user space, with less checking. + * @x: Value to copy to user space. + * @ptr: Destination address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple value from kernel space to user + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and @x must be assignable + * to the result of dereferencing @ptr. + * + * Caller must check the pointer with access_ok() before calling this + * function. + * + * Returns zero on success, or -EFAULT on error. + */ +#define __put_user_unaligned(x,ptr) \ + __put_user_unaligned_nocheck((x),(ptr),sizeof(*(ptr))) + +/* + * __get_user_unaligned: - Get a simple variable from user space, with less checking. + * @x: Variable to store result. + * @ptr: Source address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple variable from user space to kernel + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and the result of + * dereferencing @ptr must be assignable to @x without a cast. + * + * Caller must check the pointer with access_ok() before calling this + * function. + * + * Returns zero on success, or -EFAULT on error. + * On error, the variable @x is set to zero. + */ +#define __get_user_unaligned(x,ptr) \ + __get_user__unalignednocheck((x),(ptr),sizeof(*(ptr))) + +/* + * Yuck. We need two variants, one for 64bit operation and one + * for 32 bit mode and old iron. + */ +#ifdef CONFIG_32BIT +#define __GET_USER_UNALIGNED_DW(val, ptr) \ + __get_user_unaligned_asm_ll32(val, ptr) +#endif +#ifdef CONFIG_64BIT +#define __GET_USER_UNALIGNED_DW(val, ptr) \ + __get_user_unaligned_asm(val, "uld", ptr) +#endif + +extern void __get_user_unaligned_unknown(void); + +#define __get_user_unaligned_common(val, size, ptr) \ +do { \ + switch (size) { \ + case 1: __get_user_asm(val, "lb", ptr); break; \ + case 2: __get_user_unaligned_asm(val, "ulh", ptr); break; \ + case 4: __get_user_unaligned_asm(val, "ulw", ptr); break; \ + case 8: __GET_USER_UNALIGNED_DW(val, ptr); break; \ + default: __get_user_unaligned_unknown(); break; \ + } \ +} while (0) + +#define __get_user_unaligned_nocheck(x,ptr,size) \ +({ \ + int __gu_err; \ + \ + __get_user_unaligned_common((x), size, ptr); \ + __gu_err; \ +}) + +#define __get_user_unaligned_check(x,ptr,size) \ +({ \ + int __gu_err = -EFAULT; \ + const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \ + \ + if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \ + __get_user_unaligned_common((x), size, __gu_ptr); \ + \ + __gu_err; \ +}) + +#define __get_user_unaligned_asm(val, insn, addr) \ +{ \ + long __gu_tmp; \ + \ + __asm__ __volatile__( \ + "1: " insn " %1, %3 \n" \ + "2: \n" \ + " .section .fixup,\"ax\" \n" \ + "3: li %0, %4 \n" \ + " j 2b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " "__UA_ADDR "\t1b, 3b \n" \ + " "__UA_ADDR "\t1b + 4, 3b \n" \ + " .previous \n" \ + : "=r" (__gu_err), "=r" (__gu_tmp) \ + : "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \ + \ + (val) = (__typeof__(*(addr))) __gu_tmp; \ +} + +/* + * Get a long long 64 using 32 bit registers. + */ +#define __get_user_unaligned_asm_ll32(val, addr) \ +{ \ + unsigned long long __gu_tmp; \ + \ + __asm__ __volatile__( \ + "1: ulw %1, (%3) \n" \ + "2: ulw %D1, 4(%3) \n" \ + " move %0, $0 \n" \ + "3: .section .fixup,\"ax\" \n" \ + "4: li %0, %4 \n" \ + " move %1, $0 \n" \ + " move %D1, $0 \n" \ + " j 3b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " " __UA_ADDR " 1b, 4b \n" \ + " " __UA_ADDR " 1b + 4, 4b \n" \ + " " __UA_ADDR " 2b, 4b \n" \ + " " __UA_ADDR " 2b + 4, 4b \n" \ + " .previous \n" \ + : "=r" (__gu_err), "=&r" (__gu_tmp) \ + : "0" (0), "r" (addr), "i" (-EFAULT)); \ + (val) = (__typeof__(*(addr))) __gu_tmp; \ +} + +/* + * Yuck. We need two variants, one for 64bit operation and one + * for 32 bit mode and old iron. + */ +#ifdef CONFIG_32BIT +#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm_ll32(ptr) +#endif +#ifdef CONFIG_64BIT +#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm("usd", ptr) +#endif + +#define __put_user_unaligned_nocheck(x,ptr,size) \ +({ \ + __typeof__(*(ptr)) __pu_val; \ + int __pu_err = 0; \ + \ + __pu_val = (x); \ + switch (size) { \ + case 1: __put_user_asm("sb", ptr); break; \ + case 2: __put_user_unaligned_asm("ush", ptr); break; \ + case 4: __put_user_unaligned_asm("usw", ptr); break; \ + case 8: __PUT_USER_UNALIGNED_DW(ptr); break; \ + default: __put_user_unaligned_unknown(); break; \ + } \ + __pu_err; \ +}) + +#define __put_user_unaligned_check(x,ptr,size) \ +({ \ + __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ + __typeof__(*(ptr)) __pu_val = (x); \ + int __pu_err = -EFAULT; \ + \ + if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \ + switch (size) { \ + case 1: __put_user_asm("sb", __pu_addr); break; \ + case 2: __put_user_unaligned_asm("ush", __pu_addr); break; \ + case 4: __put_user_unaligned_asm("usw", __pu_addr); break; \ + case 8: __PUT_USER_UNALGINED_DW(__pu_addr); break; \ + default: __put_user_unaligned_unknown(); break; \ + } \ + } \ + __pu_err; \ +}) + +#define __put_user_unaligned_asm(insn, ptr) \ +{ \ + __asm__ __volatile__( \ + "1: " insn " %z2, %3 # __put_user_unaligned_asm\n" \ + "2: \n" \ + " .section .fixup,\"ax\" \n" \ + "3: li %0, %4 \n" \ + " j 2b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " " __UA_ADDR " 1b, 3b \n" \ + " .previous \n" \ + : "=r" (__pu_err) \ + : "0" (0), "Jr" (__pu_val), "o" (__m(ptr)), \ + "i" (-EFAULT)); \ +} + +#define __put_user_unaligned_asm_ll32(ptr) \ +{ \ + __asm__ __volatile__( \ + "1: sw %2, (%3) # __put_user_unaligned_asm_ll32 \n" \ + "2: sw %D2, 4(%3) \n" \ + "3: \n" \ + " .section .fixup,\"ax\" \n" \ + "4: li %0, %4 \n" \ + " j 3b \n" \ + " .previous \n" \ + " .section __ex_table,\"a\" \n" \ + " " __UA_ADDR " 1b, 4b \n" \ + " " __UA_ADDR " 1b + 4, 4b \n" \ + " " __UA_ADDR " 2b, 4b \n" \ + " " __UA_ADDR " 2b + 4, 4b \n" \ + " .previous" \ + : "=r" (__pu_err) \ + : "0" (0), "r" (__pu_val), "r" (ptr), \ + "i" (-EFAULT)); \ +} + +extern void __put_user_unaligned_unknown(void); + /* * We're generating jump to subroutines which will be outside the range of * jump instructions -- GitLab From 8192c9ea9ac44213d1266ecb64615519443979b3 Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:04:26 -0700 Subject: [PATCH 3704/6244] MIPS: Add HARDWARE_WATCHPOINTS configure option. This is automatically set for all MIPS32 and MIPS64 processors. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 16097a8f5c52..cd5fbf6f0784 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1268,6 +1268,13 @@ config CPU_SUPPORTS_32BIT_KERNEL config CPU_SUPPORTS_64BIT_KERNEL bool +# +# Set to y for ptrace access to watch registers. +# +config HARDWARE_WATCHPOINTS + bool + default y if CPU_MIPS32 || CPU_MIPS64 + menu "Kernel type" choice -- GitLab From 6aa3524c182c01b8b8b7c21c4da20c742a9b4d86 Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:05:54 -0700 Subject: [PATCH 3705/6244] MIPS: Add HARDWARE_WATCHPOINTS definitions and support code. This is the main support code for the patch. Here we just add the code, the following patches hook it up. Signed-off-by: David Daney Signed-off-by: Ralf Baechle create mode 100644 arch/mips/include/asm/watch.h create mode 100644 arch/mips/kernel/watch.c --- arch/mips/include/asm/cpu-info.h | 6 + arch/mips/include/asm/processor.h | 20 +++ arch/mips/include/asm/thread_info.h | 2 + arch/mips/include/asm/watch.h | 32 +++++ arch/mips/kernel/Makefile | 2 +- arch/mips/kernel/watch.c | 188 ++++++++++++++++++++++++++++ 6 files changed, 249 insertions(+), 1 deletion(-) create mode 100644 arch/mips/include/asm/watch.h create mode 100644 arch/mips/kernel/watch.c diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index 2de73dbb2e9e..744cd8fb107f 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -12,6 +12,8 @@ #ifndef __ASM_CPU_INFO_H #define __ASM_CPU_INFO_H +#include + #include /* @@ -69,6 +71,10 @@ struct cpuinfo_mips { int tc_id; /* Thread Context number */ #endif void *data; /* Additional data */ + unsigned int watch_reg_count; /* Number that exist */ + unsigned int watch_reg_use_cnt; /* Usable by ptrace */ +#define NUM_WATCH_REGS 4 + u16 watch_reg_masks[NUM_WATCH_REGS]; } __attribute__((aligned(SMP_CACHE_BYTES))); extern struct cpuinfo_mips cpu_data[]; diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index a1e4453469f9..18ee58e39445 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -105,6 +105,19 @@ struct mips_dsp_state { {0,} \ } +struct mips3264_watch_reg_state { + /* The width of watchlo is 32 in a 32 bit kernel and 64 in a + 64 bit kernel. We use unsigned long as it has the same + property. */ + unsigned long watchlo[NUM_WATCH_REGS]; + /* Only the mask and IRW bits from watchhi. */ + u16 watchhi[NUM_WATCH_REGS]; +}; + +union mips_watch_reg_state { + struct mips3264_watch_reg_state mips3264; +}; + typedef struct { unsigned long seg; } mm_segment_t; @@ -137,6 +150,9 @@ struct thread_struct { /* Saved state of the DSP ASE, if available. */ struct mips_dsp_state dsp; + /* Saved watch register state, if available. */ + union mips_watch_reg_state watch; + /* Other stuff associated with the thread. */ unsigned long cp0_badvaddr; /* Last user fault */ unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */ @@ -192,6 +208,10 @@ struct thread_struct { .dspr = {0, }, \ .dspcontrol = 0, \ }, \ + /* \ + * saved watch register stuff \ + */ \ + .watch = {{{0,},},}, \ /* \ * Other stuff associated with the process \ */ \ diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index bb3060699df2..3f76de73c943 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -124,6 +124,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define TIF_32BIT_REGS 22 /* also implies 16/32 fprs */ #define TIF_32BIT_ADDR 23 /* 32-bit address space (o32/n32) */ #define TIF_FPUBOUND 24 /* thread bound to FPU-full CPU set */ +#define TIF_LOAD_WATCH 25 /* If set, load watch registers */ #define TIF_SYSCALL_TRACE 31 /* syscall trace active */ #define _TIF_SYSCALL_TRACE (1< + +#include + +void mips_install_watch_registers(void); +void mips_read_watch_registers(void); +void mips_clear_watch_registers(void); +void mips_probe_watch_registers(struct cpuinfo_mips *c); + +#ifdef CONFIG_HARDWARE_WATCHPOINTS +#define __restore_watch() do { \ + if (unlikely(test_bit(TIF_LOAD_WATCH, \ + ¤t_thread_info()->flags))) { \ + mips_install_watch_registers(); \ + } \ +} while (0) + +#else +#define __restore_watch() do {} while (0) +#endif + +#endif /* _ASM_WATCH_H */ diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 25775cb54000..d9da7112aaf8 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \ ptrace.o reset.o setup.o signal.o syscall.o \ - time.o topology.o traps.o unaligned.o + time.o topology.o traps.o unaligned.o watch.o obj-$(CONFIG_CEVT_BCM1480) += cevt-bcm1480.o obj-$(CONFIG_CEVT_R4K) += cevt-r4k.o diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c new file mode 100644 index 000000000000..c15406968030 --- /dev/null +++ b/arch/mips/kernel/watch.c @@ -0,0 +1,188 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 David Daney + */ + +#include + +#include +#include + +/* + * Install the watch registers for the current thread. A maximum of + * four registers are installed although the machine may have more. + */ +void mips_install_watch_registers(void) +{ + struct mips3264_watch_reg_state *watches = + ¤t->thread.watch.mips3264; + switch (current_cpu_data.watch_reg_use_cnt) { + default: + BUG(); + case 4: + write_c0_watchlo3(watches->watchlo[3]); + /* Write 1 to the I, R, and W bits to clear them, and + 1 to G so all ASIDs are trapped. */ + write_c0_watchhi3(0x40000007 | watches->watchhi[3]); + case 3: + write_c0_watchlo2(watches->watchlo[2]); + write_c0_watchhi2(0x40000007 | watches->watchhi[2]); + case 2: + write_c0_watchlo1(watches->watchlo[1]); + write_c0_watchhi1(0x40000007 | watches->watchhi[1]); + case 1: + write_c0_watchlo0(watches->watchlo[0]); + write_c0_watchhi0(0x40000007 | watches->watchhi[0]); + } +} + +/* + * Read back the watchhi registers so the user space debugger has + * access to the I, R, and W bits. A maximum of four registers are + * read although the machine may have more. + */ +void mips_read_watch_registers(void) +{ + struct mips3264_watch_reg_state *watches = + ¤t->thread.watch.mips3264; + switch (current_cpu_data.watch_reg_use_cnt) { + default: + BUG(); + case 4: + watches->watchhi[3] = (read_c0_watchhi3() & 0x0fff); + case 3: + watches->watchhi[2] = (read_c0_watchhi2() & 0x0fff); + case 2: + watches->watchhi[1] = (read_c0_watchhi1() & 0x0fff); + case 1: + watches->watchhi[0] = (read_c0_watchhi0() & 0x0fff); + } + if (current_cpu_data.watch_reg_use_cnt == 1 && + (watches->watchhi[0] & 7) == 0) { + /* Pathological case of release 1 architecture that + * doesn't set the condition bits. We assume that + * since we got here, the watch condition was met and + * signal that the conditions requested in watchlo + * were met. */ + watches->watchhi[0] |= (watches->watchlo[0] & 7); + } + } + +/* + * Disable all watch registers. Although only four registers are + * installed, all are cleared to eliminate the possibility of endless + * looping in the watch handler. + */ +void mips_clear_watch_registers(void) +{ + switch (current_cpu_data.watch_reg_count) { + default: + BUG(); + case 8: + write_c0_watchlo7(0); + case 7: + write_c0_watchlo6(0); + case 6: + write_c0_watchlo5(0); + case 5: + write_c0_watchlo4(0); + case 4: + write_c0_watchlo3(0); + case 3: + write_c0_watchlo2(0); + case 2: + write_c0_watchlo1(0); + case 1: + write_c0_watchlo0(0); + } +} + +__cpuinit void mips_probe_watch_registers(struct cpuinfo_mips *c) +{ + unsigned int t; + + if ((c->options & MIPS_CPU_WATCH) == 0) + return; + /* + * Check which of the I,R and W bits are supported, then + * disable the register. + */ + write_c0_watchlo0(7); + t = read_c0_watchlo0(); + write_c0_watchlo0(0); + c->watch_reg_masks[0] = t & 7; + + /* Write the mask bits and read them back to determine which + * can be used. */ + c->watch_reg_count = 1; + c->watch_reg_use_cnt = 1; + t = read_c0_watchhi0(); + write_c0_watchhi0(t | 0xff8); + t = read_c0_watchhi0(); + c->watch_reg_masks[0] |= (t & 0xff8); + if ((t & 0x80000000) == 0) + return; + + write_c0_watchlo1(7); + t = read_c0_watchlo1(); + write_c0_watchlo1(0); + c->watch_reg_masks[1] = t & 7; + + c->watch_reg_count = 2; + c->watch_reg_use_cnt = 2; + t = read_c0_watchhi1(); + write_c0_watchhi1(t | 0xff8); + t = read_c0_watchhi1(); + c->watch_reg_masks[1] |= (t & 0xff8); + if ((t & 0x80000000) == 0) + return; + + write_c0_watchlo2(7); + t = read_c0_watchlo2(); + write_c0_watchlo2(0); + c->watch_reg_masks[2] = t & 7; + + c->watch_reg_count = 3; + c->watch_reg_use_cnt = 3; + t = read_c0_watchhi2(); + write_c0_watchhi2(t | 0xff8); + t = read_c0_watchhi2(); + c->watch_reg_masks[2] |= (t & 0xff8); + if ((t & 0x80000000) == 0) + return; + + write_c0_watchlo3(7); + t = read_c0_watchlo3(); + write_c0_watchlo3(0); + c->watch_reg_masks[3] = t & 7; + + c->watch_reg_count = 4; + c->watch_reg_use_cnt = 4; + t = read_c0_watchhi3(); + write_c0_watchhi3(t | 0xff8); + t = read_c0_watchhi3(); + c->watch_reg_masks[3] |= (t & 0xff8); + if ((t & 0x80000000) == 0) + return; + + /* We use at most 4, but probe and report up to 8. */ + c->watch_reg_count = 5; + t = read_c0_watchhi4(); + if ((t & 0x80000000) == 0) + return; + + c->watch_reg_count = 6; + t = read_c0_watchhi5(); + if ((t & 0x80000000) == 0) + return; + + c->watch_reg_count = 7; + t = read_c0_watchhi6(); + if ((t & 0x80000000) == 0) + return; + + c->watch_reg_count = 8; +} -- GitLab From 654f57bfb467996fb730eae96dc30ea4de989fdc Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:07:16 -0700 Subject: [PATCH 3706/6244] MIPS: Probe watch registers and report configuration. Probe for watch register characteristics, and report them in /proc/cpuinfo. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/kernel/cpu-probe.c | 2 ++ arch/mips/kernel/proc.c | 13 +++++++++++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index e621fda8ab37..0cf15457ecac 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -21,6 +21,7 @@ #include #include #include +#include /* * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, @@ -677,6 +678,7 @@ static inline void spram_config(void) {} static inline void cpu_probe_mips(struct cpuinfo_mips *c) { decode_configs(c); + mips_probe_watch_registers(c); switch (c->processor_id & 0xff00) { case PRID_IMP_4KC: c->cputype = CPU_4KC; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 36f065398243..75bb1300dd7a 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -23,6 +23,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) unsigned int version = cpu_data[n].processor_id; unsigned int fp_vers = cpu_data[n].fpu_id; char fmt [64]; + int i; #ifdef CONFIG_SMP if (!cpu_isset(n, cpu_online_map)) @@ -50,8 +51,16 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize); seq_printf(m, "extra interrupt vector\t: %s\n", cpu_has_divec ? "yes" : "no"); - seq_printf(m, "hardware watchpoint\t: %s\n", - cpu_has_watch ? "yes" : "no"); + seq_printf(m, "hardware watchpoint\t: %s", + cpu_has_watch ? "yes, " : "no\n"); + if (cpu_has_watch) { + seq_printf(m, "count: %d, address/irw mask: [", + cpu_data[n].watch_reg_count); + for (i = 0; i < cpu_data[n].watch_reg_count; i++) + seq_printf(m, "%s0x%04x", i ? ", " : "" , + cpu_data[n].watch_reg_masks[i]); + seq_printf(m, "]\n"); + } seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n", cpu_has_mips16 ? " mips16" : "", cpu_has_mdmx ? " mdmx" : "", -- GitLab From b67b2b703047bfaf62687ca64c9486599b609ef0 Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:08:45 -0700 Subject: [PATCH 3707/6244] MIPS: Watch exception handling for HARDWARE_WATCHPOINTS. Here we hook up the watch exception handler so that it sends SIGTRAP when the hardware watch registers are triggered. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/kernel/genex.S | 4 ++++ arch/mips/kernel/traps.c | 24 +++++++++++++++++++----- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 01dcbe38fa01..757d48f0d80f 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -453,7 +453,11 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER tr tr sti silent /* #13 */ BUILD_HANDLER fpe fpe fpe silent /* #15 */ BUILD_HANDLER mdmx mdmx sti silent /* #22 */ +#ifdef CONFIG_HARDWARE_WATCHPOINTS + BUILD_HANDLER watch watch sti silent /* #23 */ +#else BUILD_HANDLER watch watch sti verbose /* #23 */ +#endif BUILD_HANDLER mcheck mcheck cli verbose /* #24 */ BUILD_HANDLER mt mt sti silent /* #25 */ BUILD_HANDLER dsp dsp sti silent /* #26 */ diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index b602ac6eb47d..80b9e070c207 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -42,6 +42,7 @@ #include #include #include +#include #include #include #include @@ -912,13 +913,26 @@ asmlinkage void do_mdmx(struct pt_regs *regs) asmlinkage void do_watch(struct pt_regs *regs) { + u32 cause; + /* - * We use the watch exception where available to detect stack - * overflows. + * Clear WP (bit 22) bit of cause register so we don't loop + * forever. */ - dump_tlb_all(); - show_regs(regs); - panic("Caught WATCH exception - probably caused by stack overflow."); + cause = read_c0_cause(); + cause &= ~(1 << 22); + write_c0_cause(cause); + + /* + * If the current thread has the watch registers loaded, save + * their values and send SIGTRAP. Otherwise another thread + * left the registers set, clear them and continue. + */ + if (test_tsk_thread_flag(current, TIF_LOAD_WATCH)) { + mips_read_watch_registers(); + force_sig(SIGTRAP, current); + } else + mips_clear_watch_registers(); } asmlinkage void do_mcheck(struct pt_regs *regs) -- GitLab From 2c708cbaa6031b73be6b992adb3ec1811f91cdb1 Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:09:51 -0700 Subject: [PATCH 3708/6244] MIPS: Scheduler support for HARDWARE_WATCHPOINTS. Here we hook up the scheduler. Whenever we switch to a new process, we check to see if the watch registers should be installed, and do it if needed. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/include/asm/system.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h index a944eda4faf5..cd30f83235bb 100644 --- a/arch/mips/include/asm/system.h +++ b/arch/mips/include/asm/system.h @@ -20,6 +20,7 @@ #include #include #include +#include #include @@ -76,6 +77,7 @@ do { \ __restore_dsp(current); \ if (cpu_has_userlocal) \ write_c0_userlocal(current_thread_info()->tp_value); \ + __restore_watch(); \ } while (0) static inline unsigned long __xchg_u32(volatile int * m, unsigned int val) -- GitLab From 0926bf953ee79b8f139741b442e5a18520f81705 Mon Sep 17 00:00:00 2001 From: David Daney Date: Tue, 23 Sep 2008 00:11:26 -0700 Subject: [PATCH 3709/6244] MIPS: Ptrace support for HARDWARE_WATCHPOINTS This is the final part of the watch register patch. Here we hook up ptrace so that the user space debugger (gdb), can set and read the registers. Signed-off-by: David Daney Signed-off-by: Ralf Baechle --- arch/mips/include/asm/ptrace.h | 46 +++++++++++++++ arch/mips/kernel/ptrace.c | 100 ++++++++++++++++++++++++++++++++- arch/mips/kernel/ptrace32.c | 10 ++++ 3 files changed, 155 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index c00cca24dae0..cd5e8a47812b 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -74,11 +74,57 @@ struct pt_regs { #define PTRACE_POKEDATA_3264 0xc3 #define PTRACE_GET_THREAD_AREA_3264 0xc4 +/* Read and write watchpoint registers. */ +enum pt_watch_style { + pt_watch_style_mips32, + pt_watch_style_mips64 +}; +struct mips32_watch_regs { + uint32_t watchlo[8]; + /* Lower 16 bits of watchhi. */ + uint16_t watchhi[8]; + /* Valid mask and I R W bits. + * bit 0 -- 1 if W bit is usable. + * bit 1 -- 1 if R bit is usable. + * bit 2 -- 1 if I bit is usable. + * bits 3 - 11 -- Valid watchhi mask bits. + */ + uint16_t watch_masks[8]; + /* The number of valid watch register pairs. */ + uint32_t num_valid; +} __attribute__((aligned(8))); + +struct mips64_watch_regs { + uint64_t watchlo[8]; + uint16_t watchhi[8]; + uint16_t watch_masks[8]; + uint32_t num_valid; +} __attribute__((aligned(8))); + +struct pt_watch_regs { + enum pt_watch_style style; + union { + struct mips32_watch_regs mips32; + struct mips32_watch_regs mips64; + }; +}; + +#define PTRACE_GET_WATCH_REGS 0xd0 +#define PTRACE_SET_WATCH_REGS 0xd1 + #ifdef __KERNEL__ +#include #include #include +struct task_struct; + +extern int ptrace_get_watch_regs(struct task_struct *child, + struct pt_watch_regs __user *addr); +extern int ptrace_set_watch_regs(struct task_struct *child, + struct pt_watch_regs __user *addr); + /* * Does the process account for user or for system time? */ diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 96ffc9c6d194..054861ccb4dd 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -46,7 +46,8 @@ */ void ptrace_disable(struct task_struct *child) { - /* Nothing to do.. */ + /* Don't load the watchpoint registers for the ex-child. */ + clear_tsk_thread_flag(child, TIF_LOAD_WATCH); } /* @@ -167,6 +168,93 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data) return 0; } +int ptrace_get_watch_regs(struct task_struct *child, + struct pt_watch_regs __user *addr) +{ + enum pt_watch_style style; + int i; + + if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0) + return -EIO; + if (!access_ok(VERIFY_WRITE, addr, sizeof(struct pt_watch_regs))) + return -EIO; + +#ifdef CONFIG_32BIT + style = pt_watch_style_mips32; +#define WATCH_STYLE mips32 +#else + style = pt_watch_style_mips64; +#define WATCH_STYLE mips64 +#endif + + __put_user(style, &addr->style); + __put_user(current_cpu_data.watch_reg_use_cnt, + &addr->WATCH_STYLE.num_valid); + for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + __put_user(child->thread.watch.mips3264.watchlo[i], + &addr->WATCH_STYLE.watchlo[i]); + __put_user(child->thread.watch.mips3264.watchhi[i] & 0xfff, + &addr->WATCH_STYLE.watchhi[i]); + __put_user(current_cpu_data.watch_reg_masks[i], + &addr->WATCH_STYLE.watch_masks[i]); + } + for (; i < 8; i++) { + __put_user(0, &addr->WATCH_STYLE.watchlo[i]); + __put_user(0, &addr->WATCH_STYLE.watchhi[i]); + __put_user(0, &addr->WATCH_STYLE.watch_masks[i]); + } + + return 0; +} + +int ptrace_set_watch_regs(struct task_struct *child, + struct pt_watch_regs __user *addr) +{ + int i; + int watch_active = 0; + unsigned long lt[NUM_WATCH_REGS]; + u16 ht[NUM_WATCH_REGS]; + + if (!cpu_has_watch || current_cpu_data.watch_reg_use_cnt == 0) + return -EIO; + if (!access_ok(VERIFY_READ, addr, sizeof(struct pt_watch_regs))) + return -EIO; + /* Check the values. */ + for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + __get_user(lt[i], &addr->WATCH_STYLE.watchlo[i]); +#ifdef CONFIG_32BIT + if (lt[i] & __UA_LIMIT) + return -EINVAL; +#else + if (test_tsk_thread_flag(child, TIF_32BIT_ADDR)) { + if (lt[i] & 0xffffffff80000000UL) + return -EINVAL; + } else { + if (lt[i] & __UA_LIMIT) + return -EINVAL; + } +#endif + __get_user(ht[i], &addr->WATCH_STYLE.watchhi[i]); + if (ht[i] & ~0xff8) + return -EINVAL; + } + /* Install them. */ + for (i = 0; i < current_cpu_data.watch_reg_use_cnt; i++) { + if (lt[i] & 7) + watch_active = 1; + child->thread.watch.mips3264.watchlo[i] = lt[i]; + /* Set the G bit. */ + child->thread.watch.mips3264.watchhi[i] = ht[i]; + } + + if (watch_active) + set_tsk_thread_flag(child, TIF_LOAD_WATCH); + else + clear_tsk_thread_flag(child, TIF_LOAD_WATCH); + + return 0; +} + long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret; @@ -440,6 +528,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) (unsigned long __user *) data); break; + case PTRACE_GET_WATCH_REGS: + ret = ptrace_get_watch_regs(child, + (struct pt_watch_regs __user *) addr); + break; + + case PTRACE_SET_WATCH_REGS: + ret = ptrace_set_watch_regs(child, + (struct pt_watch_regs __user *) addr); + break; + default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index cac56a8c8679..e45105e3ef00 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -387,6 +387,16 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, (unsigned long __user *) (unsigned long) data); break; + case PTRACE_GET_WATCH_REGS: + ret = ptrace_get_watch_regs(child, + (struct pt_watch_regs __user *) (unsigned long) addr); + break; + + case PTRACE_SET_WATCH_REGS: + ret = ptrace_set_watch_regs(child, + (struct pt_watch_regs __user *) (unsigned long) addr); + break; + default: ret = ptrace_request(child, request, addr, data); break; -- GitLab From d302d05cf4d25f4fbbec0f9338fac13ee0c0ad89 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 11 Oct 2008 16:18:57 +0100 Subject: [PATCH 3710/6244] MIPS: Move ptrace prototypes to ptrace.h Signed-off-by: Ralf Baechle --- arch/mips/include/asm/ptrace.h | 6 ++++++ arch/mips/kernel/ptrace32.c | 6 ------ 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index cd5e8a47812b..9c22571b160d 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -120,6 +120,12 @@ struct pt_watch_regs { struct task_struct; +extern int ptrace_getregs(struct task_struct *child, __s64 __user *data); +extern int ptrace_setregs(struct task_struct *child, __s64 __user *data); + +extern int ptrace_getfpregs(struct task_struct *child, __u32 __user *data); +extern int ptrace_setfpregs(struct task_struct *child, __u32 __user *data); + extern int ptrace_get_watch_regs(struct task_struct *child, struct pt_watch_regs __user *addr); extern int ptrace_set_watch_regs(struct task_struct *child, diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index e45105e3ef00..1ca34104e593 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -37,12 +37,6 @@ #include #include -int ptrace_getregs(struct task_struct *child, __s64 __user *data); -int ptrace_setregs(struct task_struct *child, __s64 __user *data); - -int ptrace_getfpregs(struct task_struct *child, __u32 __user *data); -int ptrace_setfpregs(struct task_struct *child, __u32 __user *data); - /* * Tracing a 32-bit process with a 64-bit strace and vice versa will not * work. I don't know how to fix this. -- GitLab From 9609e74093abd9f61fb1d20a8915a8ea87c77d5a Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 11 Sep 2008 17:48:00 +0200 Subject: [PATCH 3711/6244] MIPS: RB532: provide GPIO_BUILTIN_NR and irq_to_gpio/gpio_to_irq This patchs defines the number of built-in the GPIOs present on the SoC as Documentation/gpio.txt recommends to do. Define irq_to_gpio/gpio_to_irq to return the right values so that it fixes a compilation error on drivers/gpio/gpiolib.c when enabling debugfs. Signed-off-by: Florian Fainelli Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-rc32434/gpio.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h index 3a70b41cd7a5..c8e554eafce3 100644 --- a/arch/mips/include/asm/mach-rc32434/gpio.h +++ b/arch/mips/include/asm/mach-rc32434/gpio.h @@ -14,16 +14,16 @@ #define _RC32434_GPIO_H_ #include +#include -#define gpio_get_value __gpio_get_value -#define gpio_set_value __gpio_set_value - -#define gpio_cansleep __gpio_cansleep +#define NR_BUILTIN_GPIO 32 -#define gpio_to_irq(gpio) IRQ_GPIO(gpio) -#define irq_to_gpio(irq) IRQ_TO_GPIO(irq) +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep -#include +#define gpio_to_irq(gpio) (8 + 4 * 32 + gpio) +#define irq_to_gpio(irq) (irq - (8 + 4 * 32)) struct rb532_gpio_reg { u32 gpiofunc; /* GPIO Function Register -- GitLab From 64f1b65382054f8bfd528f2c4253297c232816eb Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 11 Oct 2008 09:46:24 -0700 Subject: [PATCH 3712/6244] net: fix dummy 'nf_conntrack_event_cache()' The dummy version of 'nf_conntrack_event_cache()' (used when the NF_CONNTRACK_EVENTS config option is not enabled) had not been updated when the calling convention changed. This was introduced by commit a71996fccce4b2086a26036aa3c915365ca36926 ("netfilter: netns nf_conntrack: pass conntrack to nf_conntrack_event_cache() not skb") Tssk. Cc: Alexey Dobriyan Cc: Patrick McHardy Cc: David Miller Signed-off-by: Linus Torvalds --- include/net/netfilter/nf_conntrack_ecache.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h index 11480e633a9f..1285ff26a014 100644 --- a/include/net/netfilter/nf_conntrack_ecache.h +++ b/include/net/netfilter/nf_conntrack_ecache.h @@ -63,7 +63,7 @@ extern void nf_conntrack_ecache_fini(struct net *net); #else /* CONFIG_NF_CONNTRACK_EVENTS */ static inline void nf_conntrack_event_cache(enum ip_conntrack_events event, - const struct sk_buff *skb) {} + struct nf_conn *ct) {} static inline void nf_conntrack_event(enum ip_conntrack_events event, struct nf_conn *ct) {} static inline void nf_ct_deliver_cached_events(const struct nf_conn *ct) {} -- GitLab From 5ba2f67afb02c5302b2898949ed6fc3b3d37dcf1 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Fri, 10 Oct 2008 21:16:12 -0700 Subject: [PATCH 3713/6244] security: avoid calling a NULL function pointer in drivers/video/tvaudio.c NULL function pointers are very bad security wise. This one got caught by kerneloops.org quite a few times, so it's happening in the field.... Fix is simple, check the function pointer for NULL, like 6 other places in the same function are already doing. Signed-off-by: Arjan van de Ven Signed-off-by: Linus Torvalds --- drivers/media/video/tvaudio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c index 463680b13289..b59e47272abf 100644 --- a/drivers/media/video/tvaudio.c +++ b/drivers/media/video/tvaudio.c @@ -1792,7 +1792,7 @@ static int chip_command(struct i2c_client *client, break; case VIDIOC_S_FREQUENCY: chip->mode = 0; /* automatic */ - if (desc->checkmode) { + if (desc->checkmode && desc->setmode) { desc->setmode(chip,V4L2_TUNER_MODE_MONO); if (chip->prevmode != V4L2_TUNER_MODE_MONO) chip->prevmode = -1; /* reset previous mode */ -- GitLab From f901b64472fdabc72eca2b9426fa4e96972b64c4 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sat, 11 Oct 2008 12:18:04 -0700 Subject: [PATCH 3714/6244] ipvs: Add proper dependencies on IP_VS, and fix description header line. Linus noted a build failure case: net/netfilter/ipvs/ip_vs_xmit.c: In function 'ip_vs_tunnel_xmit': net/netfilter/ipvs/ip_vs_xmit.c:616: error: implicit declaration of function 'ip_select_ident' The proper include file (net/ip.h) is being included in ip_vs_xmit.c to get that declaration. So the only possible case where this can happen is if CONFIG_INET is not enabled. This seems to be purely a missing dependency in the ipvs/Kconfig file IP_VS entry. Also, while we're here, remove the out of date "EXPERIMENTAL" string in the IP_VS config help header line. IP_VS no longer depends upon CONFIG_EXPERIMENTAL Signed-off-by: David S. Miller --- net/netfilter/ipvs/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig index de6004de80bc..05048e403266 100644 --- a/net/netfilter/ipvs/Kconfig +++ b/net/netfilter/ipvs/Kconfig @@ -2,8 +2,8 @@ # IP Virtual Server configuration # menuconfig IP_VS - tristate "IP virtual server support (EXPERIMENTAL)" - depends on NETFILTER + tristate "IP virtual server support" + depends on NET && INET && NETFILTER ---help--- IP Virtual Server support will let you build a high-performance virtual server based on cluster of two or more real servers. This -- GitLab From 7bb82d924536cfa62db73dd381b07d9e9b084ffa Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sat, 11 Oct 2008 12:20:15 -0700 Subject: [PATCH 3715/6244] gre: Initialise rtnl_link tunnel parameters properly Brown paper bag error of calling memset with sizeof(p) instead of sizeof(*p). Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- net/ipv4/ip_gre.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 05ebce2881ef..85c487b8572b 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1345,7 +1345,7 @@ out: static void ipgre_netlink_parms(struct nlattr *data[], struct ip_tunnel_parm *parms) { - memset(parms, 0, sizeof(parms)); + memset(parms, 0, sizeof(*parms)); parms->iph.protocol = IPPROTO_GRE; -- GitLab From 20501a69818827884b4381cdcedefdb5e7892915 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Sat, 11 Oct 2008 12:25:59 -0700 Subject: [PATCH 3716/6244] e1000: allow VLAN devices to use TSO and CSUM offload This patch changes e1000 to set vlan_features so TSO and CSUM offload can be used by VLAN devices, similar as with the other Intel drivers. Signed-off-by: Patrick McHardy Signed-off-by: Jesse Brandeburg Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/e1000/e1000_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 3bafaede7916..fac82152e4c8 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1047,6 +1047,11 @@ static int __devinit e1000_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_LLTX; + netdev->vlan_features |= NETIF_F_TSO; + netdev->vlan_features |= NETIF_F_TSO6; + netdev->vlan_features |= NETIF_F_HW_CSUM; + netdev->vlan_features |= NETIF_F_SG; + adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw); /* initialize eeprom parameters */ -- GitLab From f3073ac76755abd63b1d4c3d145f4c15b65b5355 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Sat, 11 Oct 2008 15:07:16 -0700 Subject: [PATCH 3717/6244] smc911x: Fix external PHY detection If an external PHY is found the driver falls through to the default case in the switch and overwrites the PHY ID. Add the missing break. Signed-off-by: Guennadi Liakhovetski Signed-off-by: David S. Miller --- drivers/net/smc911x.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 02cc064c2c8b..3d19d00e8eec 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -722,6 +722,9 @@ static void smc911x_phy_detect(struct net_device *dev) break; } } + if (phyaddr < 32) + /* Found an external PHY */ + break; } default: /* Internal media only */ -- GitLab From e809517f6fa5803a5a1cd56026f0e2190fc13d5c Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Fri, 25 Jul 2008 01:09:08 +0200 Subject: [PATCH 3718/6244] sdhci: let the controller wait for busy state to end The sdhci controllers can interrupt us when the busy state from the card has ended, saving CPU cycles and power. Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci.c | 39 +++++++++++++++++++++++++++++++++------ 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index e3a8133560a2..ef461274397b 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1266,9 +1266,31 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) SDHCI_INT_INDEX)) host->cmd->error = -EILSEQ; - if (host->cmd->error) + if (host->cmd->error) { tasklet_schedule(&host->finish_tasklet); - else if (intmask & SDHCI_INT_RESPONSE) + return; + } + + /* + * The host can send and interrupt when the busy state has + * ended, allowing us to wait without wasting CPU cycles. + * Unfortunately this is overloaded on the "data complete" + * interrupt, so we need to take some care when handling + * it. + * + * Note: The 1.0 specification is a bit ambiguous about this + * feature so there might be some problems with older + * controllers. + */ + if (host->cmd->flags & MMC_RSP_BUSY) { + if (host->cmd->data) + DBG("Cannot wait for busy signal when also " + "doing a data transfer"); + else + return; + } + + if (intmask & SDHCI_INT_RESPONSE) sdhci_finish_command(host); } @@ -1278,11 +1300,16 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) if (!host->data) { /* - * A data end interrupt is sent together with the response - * for the stop command. + * The "data complete" interrupt is also used to + * indicate that a busy state has ended. See comment + * above in sdhci_cmd_irq(). */ - if (intmask & SDHCI_INT_DATA_END) - return; + if (host->cmd && (host->cmd->flags & MMC_RSP_BUSY)) { + if (intmask & SDHCI_INT_DATA_END) { + sdhci_finish_command(host); + return; + } + } printk(KERN_ERR "%s: Got data interrupt 0x%08x even " "though no data operation was in progress.\n", -- GitLab From 04cf585d2902404ed06861c6dc27897100340dba Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Mon, 18 Aug 2008 22:18:14 +0200 Subject: [PATCH 3719/6244] sdhci: reduce card detection delay The card detection delay was added early when the behaviour of the card interrupt was still very much unknown (i.e. before there was a public specification). As it is now known that it is a debounced signal, reduce the delay to something more sensible. Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index ef461274397b..fd2dc821e40d 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1154,7 +1154,7 @@ static void sdhci_tasklet_card(unsigned long param) spin_unlock_irqrestore(&host->lock, flags); - mmc_detect_change(host->mmc, msecs_to_jiffies(500)); + mmc_detect_change(host->mmc, msecs_to_jiffies(200)); } static void sdhci_tasklet_finish(unsigned long param) -- GitLab From e633b7bcec8e26991d489a11615acf7674efbaf4 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 31 Aug 2008 13:38:54 +0200 Subject: [PATCH 3720/6244] sdio: make sleep on error interruptable Make sure we can be woken from the forced sleep that is done on errors. Removing a card often results in -ENOMEDIUM or -EILSEQ so we previously locked up the removal process for a second. We could completely exit on -ENOMEDIUM, but it might be a transient glitch so treat it like any other error. Signed-off-by: Pierre Ossman --- drivers/mmc/core/sdio_irq.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index c292e124107a..722924cdf595 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -5,6 +5,8 @@ * Created: June 18, 2007 * Copyright: MontaVista Software Inc. * + * Copyright 2008 Pierre Ossman + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at @@ -107,11 +109,14 @@ static int sdio_irq_thread(void *_host) /* * Give other threads a chance to run in the presence of - * errors. FIXME: determine if due to card removal and - * possibly exit this thread if so. + * errors. */ - if (ret < 0) - ssleep(1); + if (ret < 0) { + set_current_state(TASK_INTERRUPTIBLE); + if (!kthread_should_stop()) + schedule_timeout(HZ); + set_current_state(TASK_RUNNING); + } /* * Adaptive polling frequency based on the assumption -- GitLab From 6501ff604a5ae18697c9b4cd40a7738d3a68e7fe Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 31 Aug 2008 13:42:00 +0200 Subject: [PATCH 3721/6244] sdio: give sdio irq thread a host specific name There is one thread per host controller so make sure they all get unique names. Signed-off-by: Pierre Ossman --- drivers/mmc/core/sdio_irq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index 722924cdf595..bb192f90e8e9 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -159,7 +159,8 @@ static int sdio_card_irq_get(struct mmc_card *card) if (!host->sdio_irqs++) { atomic_set(&host->sdio_irq_thread_abort, 0); host->sdio_irq_thread = - kthread_run(sdio_irq_thread, host, "ksdiorqd"); + kthread_run(sdio_irq_thread, host, "ksdioirqd/%s", + mmc_hostname(host)); if (IS_ERR(host->sdio_irq_thread)) { int err = PTR_ERR(host->sdio_irq_thread); host->sdio_irqs--; -- GitLab From f3eb0aaa0211fd804057070bee1fd067cd65cb13 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sat, 16 Aug 2008 21:34:02 +0200 Subject: [PATCH 3722/6244] mmc_block: inform block layer about sector count restriction Make sure we consider the maximum block count when we tell the block layer about the maximum sector count. That way we don't have to chop up the request ourselves. Signed-off-by: Pierre Ossman --- drivers/mmc/card/block.c | 23 +---------------------- drivers/mmc/card/queue.c | 20 ++++++++++++++------ 2 files changed, 15 insertions(+), 28 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index ebc8b9d77613..d73cac84d9f2 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -215,8 +215,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_blk_data *md = mq->data; struct mmc_card *card = md->queue.card; struct mmc_blk_request brq; - int ret = 1, data_size, i; - struct scatterlist *sg; + int ret = 1; mmc_claim_host(card->host); @@ -237,8 +236,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.stop.arg = 0; brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); - if (brq.data.blocks > card->host->max_blk_count) - brq.data.blocks = card->host->max_blk_count; if (brq.data.blocks > 1) { /* SPI multiblock writes terminate using a special @@ -270,24 +267,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) mmc_queue_bounce_pre(mq); - /* - * Adjust the sg list so it is the same size as the - * request. - */ - if (brq.data.blocks != - (req->nr_sectors >> (md->block_bits - 9))) { - data_size = brq.data.blocks * brq.data.blksz; - for_each_sg(brq.data.sg, sg, brq.data.sg_len, i) { - data_size -= sg->length; - if (data_size <= 0) { - sg->length += data_size; - i++; - break; - } - } - brq.data.sg_len = i; - } - mmc_wait_for_req(card->host, &brq.mrq); mmc_queue_bounce_post(mq); diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 3dee97e7d165..5c8f037dca6b 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -142,12 +142,19 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock bouncesz = host->max_req_size; if (bouncesz > host->max_seg_size) bouncesz = host->max_seg_size; + if (bouncesz > (host->max_blk_count * 512)) + bouncesz = host->max_blk_count * 512; + + if (bouncesz > 512) { + mq->bounce_buf = kmalloc(bouncesz, GFP_KERNEL); + if (!mq->bounce_buf) { + printk(KERN_WARNING "%s: unable to " + "allocate bounce buffer\n", + mmc_card_name(card)); + } + } - mq->bounce_buf = kmalloc(bouncesz, GFP_KERNEL); - if (!mq->bounce_buf) { - printk(KERN_WARNING "%s: unable to allocate " - "bounce buffer\n", mmc_card_name(card)); - } else { + if (mq->bounce_buf) { blk_queue_bounce_limit(mq->queue, BLK_BOUNCE_ANY); blk_queue_max_sectors(mq->queue, bouncesz / 512); blk_queue_max_phys_segments(mq->queue, bouncesz / 512); @@ -175,7 +182,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock if (!mq->bounce_buf) { blk_queue_bounce_limit(mq->queue, limit); - blk_queue_max_sectors(mq->queue, host->max_req_size / 512); + blk_queue_max_sectors(mq->queue, + min(host->max_blk_count, host->max_req_size / 512)); blk_queue_max_phys_segments(mq->queue, host->max_phys_segs); blk_queue_max_hw_segments(mq->queue, host->max_hw_segs); blk_queue_max_segment_size(mq->queue, host->max_seg_size); -- GitLab From 91028954119e464ae42350658d46c204d781b484 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sat, 16 Aug 2008 21:15:50 +0200 Subject: [PATCH 3723/6244] mmc_block: indicate strict ordering The MMC block driver services requests one at a time and in strict order. Indicate this to the block layer so that it can handle barriers in an efficient manner. Signed-off-by: Pierre Ossman --- drivers/mmc/card/queue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 5c8f037dca6b..c25c975bdc3b 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -131,6 +131,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock mq->req = NULL; blk_queue_prep_rq(mq->queue, mmc_prep_request); + blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL); #ifdef CONFIG_MMC_BLOCK_BOUNCE if (host->max_hw_segs == 1) { -- GitLab From d6d8de33415ca7598fe66d933b6556fa8f89afe2 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sat, 16 Aug 2008 20:43:48 +0200 Subject: [PATCH 3724/6244] mmc_block: filter out PC requests We do not support PC (SCSI) commands, so don't pretend we do by letting them through. Signed-off-by: Pierre Ossman --- drivers/mmc/card/queue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index c25c975bdc3b..406989e992ba 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -31,7 +31,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) /* * We only like normal block requests. */ - if (!blk_fs_request(req) && !blk_pc_request(req)) { + if (!blk_fs_request(req)) { blk_dump_rq_flags(req, "MMC bad request"); return BLKPREP_KILL; } -- GitLab From a4b76193774b463b922cab2f92450efb20d29ef0 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sat, 16 Aug 2008 20:43:04 +0200 Subject: [PATCH 3725/6244] sdhci: force high speed capability on some controllers Some high speed capable controllers forget to set the high speed capability bit. Make sure we enable the functionality anyway. Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci-pci.c | 3 ++- drivers/mmc/host/sdhci.c | 3 ++- drivers/mmc/host/sdhci.h | 2 ++ 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index fcb14c2346cc..0a84f10d719c 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -144,7 +144,8 @@ static int jmicron_probe(struct sdhci_pci_chip *chip) SDHCI_QUIRK_32BIT_DMA_SIZE | SDHCI_QUIRK_32BIT_ADMA_SIZE | SDHCI_QUIRK_RESET_AFTER_REQUEST | - SDHCI_QUIRK_BROKEN_SMALL_PIO; + SDHCI_QUIRK_BROKEN_SMALL_PIO | + SDHCI_QUIRK_FORCE_HIGHSPEED; } /* diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index fd2dc821e40d..3c808d22f9d5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1631,7 +1631,8 @@ int sdhci_add_host(struct sdhci_host *host) mmc->f_max = host->max_clk; mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; - if (caps & SDHCI_CAN_DO_HISPD) + if ((caps & SDHCI_CAN_DO_HISPD) || + (host->quirks & SDHCI_QUIRK_FORCE_HIGHSPEED)) mmc->caps |= MMC_CAP_SD_HIGHSPEED; mmc->ocr_avail = 0; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 197d4a05f4ae..31f4b1528e76 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -208,6 +208,8 @@ struct sdhci_host { #define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL (1<<12) /* Controller has an issue with buffer bits for small transfers */ #define SDHCI_QUIRK_BROKEN_SMALL_PIO (1<<13) +/* Controller supports high speed but doesn't have the caps bit set */ +#define SDHCI_QUIRK_FORCE_HIGHSPEED (1<<14) int irq; /* Device IRQ */ void __iomem * ioaddr; /* Mapped address */ -- GitLab From 08846698703dedae6c6915eb4b4d0a36188c5635 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 31 Aug 2008 14:10:08 +0200 Subject: [PATCH 3726/6244] mmc_block: hard code 512 byte block size We use 512 byte blocks on all cards, and newer cards support nothing else, so hard code it and make the code less complex. Signed-off-by: Pierre Ossman --- drivers/mmc/card/block.c | 23 +++++------------------ 1 file changed, 5 insertions(+), 18 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index d73cac84d9f2..1d1e469e08ea 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -57,7 +57,6 @@ struct mmc_blk_data { struct mmc_queue queue; unsigned int usage; - unsigned int block_bits; unsigned int read_only; }; @@ -231,11 +230,11 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) if (!mmc_card_blockaddr(card)) brq.cmd.arg <<= 9; brq.cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC; - brq.data.blksz = 1 << md->block_bits; + brq.data.blksz = 512; brq.stop.opcode = MMC_STOP_TRANSMISSION; brq.stop.arg = 0; brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC; - brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); + brq.data.blocks = req->nr_sectors; if (brq.data.blocks > 1) { /* SPI multiblock writes terminate using a special @@ -351,16 +350,11 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) if (rq_data_dir(req) != READ) { if (mmc_card_sd(card)) { u32 blocks; - unsigned int bytes; blocks = mmc_sd_num_wr_blocks(card); if (blocks != (u32)-1) { - if (card->csd.write_partial) - bytes = blocks << md->block_bits; - else - bytes = blocks << 9; spin_lock_irq(&md->lock); - ret = __blk_end_request(req, 0, bytes); + ret = __blk_end_request(req, 0, blocks << 9); spin_unlock_irq(&md->lock); } } else { @@ -410,13 +404,6 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card) */ md->read_only = mmc_blk_readonly(card); - /* - * Both SD and MMC specifications state (although a bit - * unclearly in the MMC case) that a block size of 512 - * bytes must always be supported by the card. - */ - md->block_bits = 9; - md->disk = alloc_disk(1 << MMC_SHIFT); if (md->disk == NULL) { ret = -ENOMEM; @@ -454,7 +441,7 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card) sprintf(md->disk->disk_name, "mmcblk%d", devidx); - blk_queue_hardsect_size(md->queue.queue, 1 << md->block_bits); + blk_queue_hardsect_size(md->queue.queue, 512); if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) { /* @@ -492,7 +479,7 @@ mmc_blk_set_blksize(struct mmc_blk_data *md, struct mmc_card *card) mmc_claim_host(card->host); cmd.opcode = MMC_SET_BLOCKLEN; - cmd.arg = 1 << md->block_bits; + cmd.arg = 512; cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC; err = mmc_wait_for_cmd(card->host, &cmd, 5); mmc_release_host(card->host); -- GitLab From d16f57700475f670ca2828c150a34fa7102a05fc Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 31 Aug 2008 17:22:46 +0200 Subject: [PATCH 3727/6244] sdio: high-speed support Signed-off-by: Pierre Ossman --- drivers/mmc/core/sdio.c | 52 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 49 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 4eab79e09ccc..fb99ccff9080 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -164,6 +164,36 @@ static int sdio_enable_wide(struct mmc_card *card) return 0; } +/* + * Test if the card supports high-speed mode and, if so, switch to it. + */ +static int sdio_enable_hs(struct mmc_card *card) +{ + int ret; + u8 speed; + + if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) + return 0; + + if (!card->cccr.high_speed) + return 0; + + ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_SPEED, 0, &speed); + if (ret) + return ret; + + speed |= SDIO_SPEED_EHS; + + ret = mmc_io_rw_direct(card, 1, 0, SDIO_CCCR_SPEED, speed, NULL); + if (ret) + return ret; + + mmc_card_set_highspeed(card); + mmc_set_timing(card->host, MMC_TIMING_SD_HS); + + return 0; +} + /* * Host is being removed. Free up the current card. */ @@ -333,10 +363,26 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr) goto remove; /* - * No support for high-speed yet, so just set - * the card's maximum speed. + * Switch to high-speed (if supported). */ - mmc_set_clock(host, card->cis.max_dtr); + err = sdio_enable_hs(card); + if (err) + goto remove; + + /* + * Change to the card's maximum speed. + */ + if (mmc_card_highspeed(card)) { + /* + * The SDIO specification doesn't mention how + * the CIS transfer speed register relates to + * high-speed, but it seems that 50 MHz is + * mandatory. + */ + mmc_set_clock(host, 50000000); + } else { + mmc_set_clock(host, card->cis.max_dtr); + } /* * Switch to wider bus (if supported). -- GitLab From ee63a7d2287c677ed022bf3f584f5a187b6c402f Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Tue, 2 Sep 2008 10:14:13 +0200 Subject: [PATCH 3728/6244] Fix comment in include/linux/mmc/host.h In include/linux/mmc/host.h, it is mentionned that the callback to know if a card is present or not is get_ro(). But it's get_cd(). Signed-off-by: Thomas Petazzoni Signed-off-by: Pierre Ossman --- include/linux/mmc/host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 9c288c909878..bde891f64591 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -65,7 +65,7 @@ struct mmc_host_ops { * -ENOSYS when not supported (equal to NULL callback) * or a negative errno value when something bad happened * - * Return values for the get_ro callback should be: + * Return values for the get_cd callback should be: * 0 for a absent card * 1 for a present card * -ENOSYS when not supported (equal to NULL callback) -- GitLab From 1ea4f444f3a9721babd5d22cbd15092f9da6b51a Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 7 Sep 2008 13:07:57 +0200 Subject: [PATCH 3729/6244] mmc: remove redundant "depends on" Signed-off-by: Pierre Ossman --- drivers/mmc/card/Kconfig | 1 - drivers/mmc/host/Kconfig | 6 +++--- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/mmc/card/Kconfig b/drivers/mmc/card/Kconfig index dd0f398ee2f5..ffd2198e515f 100644 --- a/drivers/mmc/card/Kconfig +++ b/drivers/mmc/card/Kconfig @@ -34,7 +34,6 @@ config MMC_BLOCK_BOUNCE config SDIO_UART tristate "SDIO UART/GPS class support" - depends on MMC help SDIO function driver for SDIO cards that implements the UART class, as well as the GPS class which appears like a UART. diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index ea8d7a3490d9..4b81899ba5a8 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -142,7 +142,7 @@ config MMC_TIFM_SD config MMC_SPI tristate "MMC/SD over SPI" - depends on MMC && SPI_MASTER && !HIGHMEM && HAS_DMA + depends on SPI_MASTER && !HIGHMEM && HAS_DMA select CRC7 select CRC_ITU_T help @@ -155,7 +155,7 @@ config MMC_SPI config MMC_S3C tristate "Samsung S3C SD/MMC Card Interface support" - depends on ARCH_S3C2410 && MMC + depends on ARCH_S3C2410 help This selects a driver for the MCI interface found in Samsung's S3C2410, S3C2412, S3C2440, S3C2442 CPUs. @@ -166,7 +166,7 @@ config MMC_S3C config MMC_SDRICOH_CS tristate "MMC/SD driver for Ricoh Bay1Controllers (EXPERIMENTAL)" - depends on EXPERIMENTAL && MMC && PCI && PCMCIA + depends on EXPERIMENTAL && PCI && PCMCIA help Say Y here if your Notebook reports a Ricoh Bay1Controller PCMCIA card whenever you insert a MMC or SD card into the card slot. -- GitLab From 57105737f6a0b39305a85ac176cc9fd4a236d8c2 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 7 Sep 2008 13:16:58 +0200 Subject: [PATCH 3730/6244] mmc: explicitly mention SDIO support in Kconfig Signed-off-by: Pierre Ossman --- drivers/mmc/Kconfig | 9 +++++---- drivers/mmc/card/Kconfig | 2 +- drivers/mmc/host/Kconfig | 13 +++++++------ 3 files changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index c0b41e8bcd9d..f2eeb38efa65 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -3,13 +3,14 @@ # menuconfig MMC - tristate "MMC/SD card support" + tristate "MMC/SD/SDIO card support" depends on HAS_IOMEM help - MMC is the "multi-media card" bus protocol. + This selects MultiMediaCard, Secure Digital and Secure + Digital I/O support. - If you want MMC support, you should say Y here and also - to the specific driver for your MMC interface. + If you want MMC/SD/SDIO support, you should say Y here and + also to your specific host controller driver. config MMC_DEBUG bool "MMC debugging" diff --git a/drivers/mmc/card/Kconfig b/drivers/mmc/card/Kconfig index ffd2198e515f..3f2a912659af 100644 --- a/drivers/mmc/card/Kconfig +++ b/drivers/mmc/card/Kconfig @@ -2,7 +2,7 @@ # MMC/SD card drivers # -comment "MMC/SD Card Drivers" +comment "MMC/SD/SDIO Card Drivers" config MMC_BLOCK tristate "MMC block device driver" diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 4b81899ba5a8..38468b2bd1af 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -2,7 +2,7 @@ # MMC/SD host controller drivers # -comment "MMC/SD Host Controller Drivers" +comment "MMC/SD/SDIO Host Controller Drivers" config MMC_ARMMMCI tristate "ARM AMBA Multimedia Card Interface support" @@ -141,15 +141,16 @@ config MMC_TIFM_SD module will be called tifm_sd. config MMC_SPI - tristate "MMC/SD over SPI" + tristate "MMC/SD/SDIO over SPI" depends on SPI_MASTER && !HIGHMEM && HAS_DMA select CRC7 select CRC_ITU_T help - Some systems accss MMC/SD cards using a SPI controller instead of - using a "native" MMC/SD controller. This has a disadvantage of - being relatively high overhead, but a compensating advantage of - working on many systems without dedicated MMC/SD controllers. + Some systems accss MMC/SD/SDIO cards using a SPI controller + instead of using a "native" MMC/SD/SDIO controller. This has a + disadvantage of being relatively high overhead, but a compensating + advantage of working on many systems without dedicated MMC/SD/SDIO + controllers. If unsure, or if your system has no SPI master driver, say N. -- GitLab From 7244b85bd17313d7d300ee93ec7bfbca1f4ccf3d Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Wed, 1 Oct 2008 01:50:25 -0700 Subject: [PATCH 3731/6244] sdhci: 'scratch' may be used uninitialized The variable 'scratch' is always initialized before it's used. The conditional which is responsible for initialization of 'scratch' will always evaluate 'true' when the first loop iteration occurs, and thus, it's properly initialized. GCC doesn't see this, of course, so using the uninitialized_var() macro seems to work for silencing this case. Signed-off-by: Steven Noonan Signed-off-by: Pierre Ossman --- drivers/mmc/host/sdhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 3c808d22f9d5..30f64b1f2354 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -177,7 +177,7 @@ static void sdhci_read_block_pio(struct sdhci_host *host) { unsigned long flags; size_t blksize, len, chunk; - u32 scratch; + u32 uninitialized_var(scratch); u8 *buf; DBG("PIO reading\n"); -- GitLab From 0d3e0460f307e84904968aad6cff97bd688583d8 Mon Sep 17 00:00:00 2001 From: Matthew Fleming Date: Thu, 2 Oct 2008 12:24:05 +0100 Subject: [PATCH 3732/6244] MMC: CSD and CID timeout values The MMC spec states that the timeout for accessing the CSD and CID registers is 64 clock cycles. Signed-off-by: Matthew Fleming Signed-off-by: Pierre Ossman --- drivers/mmc/core/mmc_ops.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 64b05c6270f2..9c50e6f1c236 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -248,8 +248,12 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, sg_init_one(&sg, data_buf, len); - if (card) - mmc_set_data_timeout(&data, card); + /* + * The spec states that CSR and CID accesses have a timeout + * of 64 clock cycles. + */ + data.timeout_ns = 0; + data.timeout_clks = 64; mmc_wait_for_req(host, &mrq); -- GitLab From 162350eb75fcb81ec0ea34f042f1deddb759aea8 Mon Sep 17 00:00:00 2001 From: Matthew Fleming Date: Thu, 2 Oct 2008 12:21:42 +0100 Subject: [PATCH 3733/6244] MMC: Use timeout values from CSR Hard-coded timeout values of 250ms for writes and 100ms for reads are currently used for MMC transactions over SPI. The spec states that the timeout values from the card should be used. Signed-off-by: Matthew Fleming Signed-off-by: Pierre Ossman --- drivers/mmc/host/mmc_spi.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index 7503b81374e0..07faf5412a1f 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -95,8 +95,6 @@ * reads which takes nowhere near that long. Older cards may be able to use * shorter timeouts ... but why bother? */ -#define readblock_timeout ktime_set(0, 100 * 1000 * 1000) -#define writeblock_timeout ktime_set(0, 250 * 1000 * 1000) #define r1b_timeout ktime_set(3, 0) @@ -220,9 +218,9 @@ mmc_spi_wait_unbusy(struct mmc_spi_host *host, ktime_t timeout) return mmc_spi_skip(host, timeout, sizeof(host->data->status), 0); } -static int mmc_spi_readtoken(struct mmc_spi_host *host) +static int mmc_spi_readtoken(struct mmc_spi_host *host, ktime_t timeout) { - return mmc_spi_skip(host, readblock_timeout, 1, 0xff); + return mmc_spi_skip(host, timeout, 1, 0xff); } @@ -605,7 +603,8 @@ mmc_spi_setup_data_message( * Return negative errno, else success. */ static int -mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t) +mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t, + ktime_t timeout) { struct spi_device *spi = host->spi; int status, i; @@ -673,7 +672,7 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t) if (scratch->status[i] != 0) return 0; } - return mmc_spi_wait_unbusy(host, writeblock_timeout); + return mmc_spi_wait_unbusy(host, timeout); } /* @@ -693,7 +692,8 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t) * STOP_TRANSMISSION command. */ static int -mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t) +mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t, + ktime_t timeout) { struct spi_device *spi = host->spi; int status; @@ -707,7 +707,7 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t) return status; status = scratch->status[0]; if (status == 0xff || status == 0) - status = mmc_spi_readtoken(host); + status = mmc_spi_readtoken(host, timeout); if (status == SPI_TOKEN_SINGLE) { if (host->dma_dev) { @@ -778,6 +778,8 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, struct scatterlist *sg; unsigned n_sg; int multiple = (data->blocks > 1); + u32 clock_rate; + ktime_t timeout; if (data->flags & MMC_DATA_READ) direction = DMA_FROM_DEVICE; @@ -786,6 +788,14 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, mmc_spi_setup_data_message(host, multiple, direction); t = &host->t; + if (t->speed_hz) + clock_rate = t->speed_hz; + else + clock_rate = spi->max_speed_hz; + + timeout = ktime_add_ns(ktime_set(0, 0), data->timeout_ns + + data->timeout_clks * 1000000 / clock_rate); + /* Handle scatterlist segments one at a time, with synch for * each 512-byte block */ @@ -832,9 +842,9 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, t->len); if (direction == DMA_TO_DEVICE) - status = mmc_spi_writeblock(host, t); + status = mmc_spi_writeblock(host, t, timeout); else - status = mmc_spi_readblock(host, t); + status = mmc_spi_readblock(host, t, timeout); if (status < 0) break; @@ -917,7 +927,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd, if (scratch->status[tmp] != 0) return; } - tmp = mmc_spi_wait_unbusy(host, writeblock_timeout); + tmp = mmc_spi_wait_unbusy(host, timeout); if (tmp < 0 && !data->error) data->error = tmp; } -- GitLab From e1e23bb0513520035ec934fa3483507cb6648b7c Mon Sep 17 00:00:00 2001 From: David Rientjes Date: Tue, 7 Oct 2008 14:15:11 -0700 Subject: [PATCH 3734/6244] x86: avoid dereferencing beyond stack + THREAD_SIZE It's possible for get_wchan() to dereference past task->stack + THREAD_SIZE while iterating through instruction pointers if fp equals the upper boundary, causing a kernel panic. Signed-off-by: David Rientjes Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_64.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 2a8ccb9238b4..b6b508ea7110 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -754,12 +754,12 @@ unsigned long get_wchan(struct task_struct *p) if (!p || p == current || p->state == TASK_RUNNING) return 0; stack = (unsigned long)task_stack_page(p); - if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE) + if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE) return 0; fp = *(u64 *)(p->thread.sp); do { if (fp < (unsigned long)stack || - fp > (unsigned long)stack+THREAD_SIZE) + fp >= (unsigned long)stack+THREAD_SIZE) return 0; ip = *(u64 *)(fp+8); if (!in_sched_functions(ip)) -- GitLab From c613ec1a7ff3714da11c7c48a13bab03beb5c376 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 10 Oct 2008 10:46:45 +0100 Subject: [PATCH 3735/6244] x86, early_ioremap: fix fencepost error The x86 implementation of early_ioremap has an off by one error. If we get an object which ends on the first byte of a page we undermap by one page and this causes a crash on boot with the ASUS P5QL whose DMI table happens to fit this alignment. The size computation is currently last_addr = phys_addr + size - 1; npages = (PAGE_ALIGN(last_addr) - phys_addr) (Consider a request for 1 byte at alignment 0...) Closes #11693 Debugging work by Ian Campbell/Felix Geyer Signed-off-by: Alan Cox Cc: Signed-off-by: Ingo Molnar --- arch/x86/mm/ioremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 6ab3196d12b4..10b52309aefd 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -614,7 +614,7 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size) */ offset = phys_addr & ~PAGE_MASK; phys_addr &= PAGE_MASK; - size = PAGE_ALIGN(last_addr) - phys_addr; + size = PAGE_ALIGN(last_addr + 1) - phys_addr; /* * Mappings have to fit in the FIX_BTMAP area. -- GitLab From cb58ffc3889f0545628f138f849e759a331b8ddc Mon Sep 17 00:00:00 2001 From: Petr Vandrovec Date: Sun, 12 Oct 2008 10:51:03 +0200 Subject: [PATCH 3736/6244] x86: fix early panic on amd64 due to typo in supported CPU section Do not crash when enumerating supported CPU architectures SECURITY_INIT somehow ended up in x86_cpu_dev.init section. That caused printk in code which prints supported architectures to hit #GP due to non-canonical address being used. Signed-off-by: Petr Vandrovec Cc: thomas.petazzoni@free-electrons.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/vmlinux_64.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 201e81a91a95..46e05447405b 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -172,8 +172,8 @@ SECTIONS .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { *(.x86_cpu_dev.init) } - SECURITY_INIT __x86_cpu_dev_end = .; + SECURITY_INIT . = ALIGN(8); .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { -- GitLab From 325af5fb1418c79953db0954556de048e061d8b6 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 8 Aug 2008 15:58:39 -0700 Subject: [PATCH 3737/6244] x86: ioperm user_regset This adds a user_regset type for the x86 io permissions bitmap. This makes it appear in core dumps (when ioperm has been used). It will also make it visible to debuggers in the future. Signed-off-by: Roland McGrath Signed-off-by: H. Peter Anvin [conflict resolutions: Signed-off-by: Ingo Molnar ] --- arch/x86/kernel/ptrace.c | 37 +++++++++++++++++++++++++++++++++++++ include/linux/elf.h | 1 + 2 files changed, 38 insertions(+) diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index e375b658efc3..4e1ef66c2ea4 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -40,7 +40,9 @@ enum x86_regset { REGSET_GENERAL, REGSET_FP, REGSET_XFP, + REGSET_IOPERM64 = REGSET_XFP, REGSET_TLS, + REGSET_IOPERM32, }; /* @@ -555,6 +557,29 @@ static int ptrace_set_debugreg(struct task_struct *child, return 0; } +/* + * These access the current or another (stopped) task's io permission + * bitmap for debugging or core dump. + */ +static int ioperm_active(struct task_struct *target, + const struct user_regset *regset) +{ + return target->thread.io_bitmap_max / regset->size; +} + +static int ioperm_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + if (!target->thread.io_bitmap_ptr) + return -ENXIO; + + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + target->thread.io_bitmap_ptr, + 0, IO_BITMAP_BYTES); +} + #ifdef CONFIG_X86_PTRACE_BTS /* * The configuration for a particular BTS hardware implementation. @@ -1385,6 +1410,12 @@ static const struct user_regset x86_64_regsets[] = { .size = sizeof(long), .align = sizeof(long), .active = xfpregs_active, .get = xfpregs_get, .set = xfpregs_set }, + [REGSET_IOPERM64] = { + .core_note_type = NT_386_IOPERM, + .n = IO_BITMAP_LONGS, + .size = sizeof(long), .align = sizeof(long), + .active = ioperm_active, .get = ioperm_get + }, }; static const struct user_regset_view user_x86_64_view = { @@ -1431,6 +1462,12 @@ static const struct user_regset x86_32_regsets[] = { .active = regset_tls_active, .get = regset_tls_get, .set = regset_tls_set }, + [REGSET_IOPERM32] = { + .core_note_type = NT_386_IOPERM, + .n = IO_BITMAP_BYTES / sizeof(u32), + .size = sizeof(u32), .align = sizeof(u32), + .active = ioperm_active, .get = ioperm_get + }, }; static const struct user_regset_view user_x86_32_view = { diff --git a/include/linux/elf.h b/include/linux/elf.h index edc3dac3f02f..0b61ca41a044 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -360,6 +360,7 @@ typedef struct elf64_shdr { #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ +#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ /* Note header in a PT_NOTE section */ -- GitLab From b50863d6e36ec3764882f57417b5c5cfe35a9b4b Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 28 Jul 2008 12:58:53 -0300 Subject: [PATCH 3738/6244] V4L/DVB (8553): media/video/Kconfig: get rid of a select Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 3e9e0dcd217e..3f945b0d52b8 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -822,8 +822,7 @@ config VIDEO_OVCAMCHIP config USB_W9968CF tristate "USB W996[87]CF JPEG Dual Mode Camera support" - depends on VIDEO_V4L1 && I2C - select VIDEO_OVCAMCHIP + depends on VIDEO_V4L1 && I2C && VIDEO_OVCAMCHIP ---help--- Say Y here if you want support for cameras based on OV681 or Winbond W9967CF/W9968CF JPEG USB Dual Mode Camera Chips. -- GitLab From 96f1e40431d4b0afc75474d7961f8dd98ef21112 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 28 Jul 2008 13:07:42 -0300 Subject: [PATCH 3739/6244] V4L/DVB (8554): media/video/Kconfig: cosmetic changes and convert select into depends on It seems cosmetically better to let USB drivers be the last one. Also, two SOC drivers were using select, instead of depends on SOC_CAMERA. Since select has some drawbacks when checking for dependencies, convert those two into depends on. Cc: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 118 ++++++++++++++++++------------------ 1 file changed, 58 insertions(+), 60 deletions(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 3f945b0d52b8..1f6c9ee3afde 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -784,6 +784,64 @@ config VIDEO_CAFE_CCIC CMOS camera controller. This is the controller found on first- generation OLPC systems. +config SOC_CAMERA + tristate "SoC camera support" + depends on VIDEO_V4L2 && HAS_DMA + select VIDEOBUF_GEN + help + SoC Camera is a common API to several cameras, not connecting + over a bus like PCI or USB. For example some i2c camera connected + directly to the data bus of an SoC. + +config SOC_CAMERA_MT9M001 + tristate "mt9m001 support" + depends on SOC_CAMERA && I2C + select GPIO_PCA953X if MT9M001_PCA9536_SWITCH + help + This driver supports MT9M001 cameras from Micron, monochrome + and colour models. + +config MT9M001_PCA9536_SWITCH + bool "pca9536 datawidth switch for mt9m001" + depends on SOC_CAMERA_MT9M001 && GENERIC_GPIO + help + Select this if your MT9M001 camera uses a PCA9536 I2C GPIO + extender to switch between 8 and 10 bit datawidth modes + +config SOC_CAMERA_MT9V022 + tristate "mt9v022 support" + depends on SOC_CAMERA && I2C + select GPIO_PCA953X if MT9V022_PCA9536_SWITCH + help + This driver supports MT9V022 cameras from Micron + +config MT9V022_PCA9536_SWITCH + bool "pca9536 datawidth switch for mt9v022" + depends on SOC_CAMERA_MT9V022 && GENERIC_GPIO + help + Select this if your MT9V022 camera uses a PCA9536 I2C GPIO + extender to switch between 8 and 10 bit datawidth modes + +config SOC_CAMERA_PLATFORM + tristate "platform camera support" + depends on SOC_CAMERA + help + This is a generic SoC camera platform driver, useful for testing + +config VIDEO_PXA27x + tristate "PXA27x Quick Capture Interface driver" + depends on VIDEO_DEV && PXA27x && SOC_CAMERA + select VIDEOBUF_DMA_SG + ---help--- + This is a v4l2 driver for the PXA27x Quick Capture Interface + +config VIDEO_SH_MOBILE_CEU + tristate "SuperH Mobile CEU Interface driver" + depends on VIDEO_DEV && SOC_CAMERA && HAS_DMA + select VIDEOBUF_DMA_CONTIG + ---help--- + This is a v4l2 driver for the SuperH Mobile CEU Interface + # # USB Multimedia device configuration # @@ -913,64 +971,4 @@ config USB_S2255 endif # V4L_USB_DRIVERS -config SOC_CAMERA - tristate "SoC camera support" - depends on VIDEO_V4L2 && HAS_DMA - select VIDEOBUF_GEN - help - SoC Camera is a common API to several cameras, not connecting - over a bus like PCI or USB. For example some i2c camera connected - directly to the data bus of an SoC. - -config SOC_CAMERA_MT9M001 - tristate "mt9m001 support" - depends on SOC_CAMERA && I2C - select GPIO_PCA953X if MT9M001_PCA9536_SWITCH - help - This driver supports MT9M001 cameras from Micron, monochrome - and colour models. - -config MT9M001_PCA9536_SWITCH - bool "pca9536 datawidth switch for mt9m001" - depends on SOC_CAMERA_MT9M001 && GENERIC_GPIO - help - Select this if your MT9M001 camera uses a PCA9536 I2C GPIO - extender to switch between 8 and 10 bit datawidth modes - -config SOC_CAMERA_MT9V022 - tristate "mt9v022 support" - depends on SOC_CAMERA && I2C - select GPIO_PCA953X if MT9V022_PCA9536_SWITCH - help - This driver supports MT9V022 cameras from Micron - -config MT9V022_PCA9536_SWITCH - bool "pca9536 datawidth switch for mt9v022" - depends on SOC_CAMERA_MT9V022 && GENERIC_GPIO - help - Select this if your MT9V022 camera uses a PCA9536 I2C GPIO - extender to switch between 8 and 10 bit datawidth modes - -config SOC_CAMERA_PLATFORM - tristate "platform camera support" - depends on SOC_CAMERA - help - This is a generic SoC camera platform driver, useful for testing - -config VIDEO_PXA27x - tristate "PXA27x Quick Capture Interface driver" - depends on VIDEO_DEV && PXA27x - select SOC_CAMERA - select VIDEOBUF_DMA_SG - ---help--- - This is a v4l2 driver for the PXA27x Quick Capture Interface - -config VIDEO_SH_MOBILE_CEU - tristate "SuperH Mobile CEU Interface driver" - depends on VIDEO_DEV && HAS_DMA - select SOC_CAMERA - select VIDEOBUF_DMA_CONTIG - ---help--- - This is a v4l2 driver for the SuperH Mobile CEU Interface - endif # VIDEO_CAPTURE_DRIVERS -- GitLab From 29e66a6ce84abe04bc809ddb35634752881dec79 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Thu, 4 Sep 2008 17:24:51 -0300 Subject: [PATCH 3740/6244] V4L/DVB: follow lspci device/vendor style Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format used by lspci(8). Signed-off-by: Bjorn Helgaas Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/bt8xx/dvb-bt8xx.c | 2 +- drivers/media/dvb/ttpci/av7110.c | 2 +- drivers/media/dvb/ttpci/budget-av.c | 2 +- drivers/media/dvb/ttpci/budget-ci.c | 2 +- drivers/media/dvb/ttpci/budget-patch.c | 2 +- drivers/media/dvb/ttpci/budget.c | 2 +- drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 2 +- drivers/media/dvb/ttusb-dec/ttusb_dec.c | 2 +- drivers/media/video/cx18/cx18-driver.c | 4 ++-- drivers/media/video/ivtv/ivtv-driver.c | 4 ++-- 10 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index 6afbfbbef0ce..48762a2b9e42 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -702,7 +702,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) } if (card->fe == NULL) - printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", + printk("dvb-bt8xx: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n", card->bt->dev->vendor, card->bt->dev->device, card->bt->dev->subsystem_vendor, diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c index 0777e8f9544b..3b641804f6cb 100644 --- a/drivers/media/dvb/ttpci/av7110.c +++ b/drivers/media/dvb/ttpci/av7110.c @@ -2256,7 +2256,7 @@ static int frontend_init(struct av7110 *av7110) if (!av7110->fe) { /* FIXME: propagate the failure code from the lower layers */ ret = -ENOMEM; - printk("dvb-ttpci: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", + printk("dvb-ttpci: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n", av7110->dev->pci->vendor, av7110->dev->pci->device, av7110->dev->pci->subsystem_vendor, diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index b7d1f2f18d3a..839c94101b4e 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -1049,7 +1049,7 @@ static void frontend_init(struct budget_av *budget_av) if (fe == NULL) { printk(KERN_ERR "budget-av: A frontend driver was not found " - "for device %04x/%04x subsystem %04x/%04x\n", + "for device [%04x:%04x] subsystem [%04x:%04x]\n", saa->pci->vendor, saa->pci->device, saa->pci->subsystem_vendor, diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index 060e7c785326..38dd5cf1aed2 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -1153,7 +1153,7 @@ static void frontend_init(struct budget_ci *budget_ci) } if (budget_ci->budget.dvb_frontend == NULL) { - printk("budget-ci: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", + printk("budget-ci: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n", budget_ci->budget.dev->pci->vendor, budget_ci->budget.dev->pci->device, budget_ci->budget.dev->pci->subsystem_vendor, diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c index aa5ed4ef19f2..bbd234fe11c1 100644 --- a/drivers/media/dvb/ttpci/budget-patch.c +++ b/drivers/media/dvb/ttpci/budget-patch.c @@ -360,7 +360,7 @@ static void frontend_init(struct budget_patch* budget) } if (budget->dvb_frontend == NULL) { - printk("dvb-ttpci: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", + printk("dvb-ttpci: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n", budget->dev->pci->vendor, budget->dev->pci->device, budget->dev->pci->subsystem_vendor, diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index f0068996ac07..851e523fbffc 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -550,7 +550,7 @@ static void frontend_init(struct budget *budget) } if (budget->dvb_frontend == NULL) { - printk("budget: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n", + printk("budget: A frontend driver was not found for device [%04x:%04x] subsystem [%04x:%04x]\n", budget->dev->pci->vendor, budget->dev->pci->device, budget->dev->pci->subsystem_vendor, diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index e6c9cd2e3b94..66ab0c6e9783 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -1614,7 +1614,7 @@ static void frontend_init(struct ttusb* ttusb) } if (ttusb->fe == NULL) { - printk("dvb-ttusb-budget: A frontend driver was not found for device %04x/%04x\n", + printk("dvb-ttusb-budget: A frontend driver was not found for device [%04x:%04x]\n", le16_to_cpu(ttusb->dev->descriptor.idVendor), le16_to_cpu(ttusb->dev->descriptor.idProduct)); } else { diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index de5829b863fd..ab33fec8a19f 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1665,7 +1665,7 @@ static int ttusb_dec_probe(struct usb_interface *intf, } if (dec->fe == NULL) { - printk("dvb-ttusb-dec: A frontend driver was not found for device %04x/%04x\n", + printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n", le16_to_cpu(dec->udev->descriptor.idVendor), le16_to_cpu(dec->udev->descriptor.idProduct)); } else { diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index bd18afebbf86..3419de9a5a4e 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -395,9 +395,9 @@ done: if (cx->card == NULL) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); - CX18_ERR("Unknown card: vendor/device: %04x/%04x\n", + CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", cx->dev->vendor, cx->dev->device); - CX18_ERR(" subsystem vendor/device: %04x/%04x\n", + CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", cx->dev->subsystem_vendor, cx->dev->subsystem_device); CX18_ERR("Defaulting to %s card\n", cx->card->name); CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 4afc7ea07e86..6b04930d1278 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -655,9 +655,9 @@ done: if (itv->card == NULL) { itv->card = ivtv_get_card(IVTV_CARD_PVR_150); - IVTV_ERR("Unknown card: vendor/device: %04x/%04x\n", + IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n", itv->dev->vendor, itv->dev->device); - IVTV_ERR(" subsystem vendor/device: %04x/%04x\n", + IVTV_ERR(" subsystem vendor/device: [%04x:%04x]\n", itv->dev->subsystem_vendor, itv->dev->subsystem_device); IVTV_ERR(" %s based\n", chipname); IVTV_ERR("Defaulting to %s card\n", itv->card->name); -- GitLab From 95fc2ead8406a6d0aa6d8ccf30125f4a50ae323f Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Mon, 21 Jul 2008 16:21:58 -0300 Subject: [PATCH 3741/6244] V4L/DVB (8560): replace __FUNCTION__ with __func__ v4l/drx397xD: replace __FUNCTION__ with __func__ Signed-off-by: Alexander Beregalov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/drx397xD.c | 34 +++++++++++++------------- drivers/media/dvb/frontends/drx397xD.h | 2 +- 2 files changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/media/dvb/frontends/drx397xD.c b/drivers/media/dvb/frontends/drx397xD.c index 3cbed874a6f8..e19147bad178 100644 --- a/drivers/media/dvb/frontends/drx397xD.c +++ b/drivers/media/dvb/frontends/drx397xD.c @@ -96,7 +96,7 @@ static void drx_release_fw(struct drx397xD_state *s) { fw_ix_t ix = s->chip_rev; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); write_lock(&fw[ix].lock); if (fw[ix].refcnt) { @@ -113,7 +113,7 @@ static int drx_load_fw(struct drx397xD_state *s, fw_ix_t ix) size_t size, len; int i = 0, j, rc = -EINVAL; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); if (ix < 0 || ix >= ARRAY_SIZE(fw)) return -EINVAL; @@ -197,10 +197,10 @@ static int write_fw(struct drx397xD_state *s, blob_ix_t ix) int len, rc = 0, i = 0; if (ix < 0 || ix >= ARRAY_SIZE(blob_name)) { - pr_debug("%s drx_fw_ix_t out of range\n", __FUNCTION__); + pr_debug("%s drx_fw_ix_t out of range\n", __func__); return -EINVAL; } - pr_debug("%s %s\n", __FUNCTION__, blob_name[ix]); + pr_debug("%s %s\n", __func__, blob_name[ix]); read_lock(&fw[s->chip_rev].lock); data = fw[s->chip_rev].data[ix]; @@ -305,7 +305,7 @@ static int PLL_Set(struct drx397xD_state *s, u32 f_tuner, f = fep->frequency; int rc; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); if ((f > s->frontend.ops.tuner_ops.info.frequency_max) || (f < s->frontend.ops.tuner_ops.info.frequency_min)) @@ -325,7 +325,7 @@ static int PLL_Set(struct drx397xD_state *s, return rc; *df_tuner = f_tuner - f; - pr_debug("%s requested %d [Hz] tuner %d [Hz]\n", __FUNCTION__, f, + pr_debug("%s requested %d [Hz] tuner %d [Hz]\n", __func__, f, f_tuner); return 0; @@ -340,7 +340,7 @@ static int SC_WaitForReady(struct drx397xD_state *s) int cnt = 1000; int rc; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); while (cnt--) { rc = RD16(s, 0x820043); @@ -354,7 +354,7 @@ static int SC_SendCommand(struct drx397xD_state *s, int cmd) { int rc; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); WR16(s, 0x820043, cmd); SC_WaitForReady(s); @@ -368,7 +368,7 @@ static int HI_Command(struct drx397xD_state *s, u16 cmd) { int rc, cnt = 1000; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); rc = WR16(s, 0x420032, cmd); if (rc < 0) @@ -389,7 +389,7 @@ static int HI_Command(struct drx397xD_state *s, u16 cmd) static int HI_CfgCommand(struct drx397xD_state *s) { - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); WR16(s, 0x420033, 0x3973); WR16(s, 0x420034, s->config.w50); // code 4, log 4 @@ -419,7 +419,7 @@ static int SetCfgIfAgc(struct drx397xD_state *s, struct drx397xD_CfgIfAgc *agc) u16 w0C = agc->w0C; int quot, rem, i, rc = -EINVAL; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); if (agc->w04 > 0x3ff) goto exit_rc; @@ -478,7 +478,7 @@ static int SetCfgRfAgc(struct drx397xD_state *s, struct drx397xD_CfgRfAgc *agc) u16 w06 = agc->w06; int rc = -1; - pr_debug("%s %d 0x%x 0x%x\n", __FUNCTION__, agc->d00, w04, w06); + pr_debug("%s %d 0x%x 0x%x\n", __func__, agc->d00, w04, w06); if (w04 > 0x3ff) goto exit_rc; @@ -554,7 +554,7 @@ static int CorrectSysClockDeviation(struct drx397xD_state *s) int lockstat; u32 clk, clk_limit; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); if (s->config.d5C == 0) { EXIT_RC(WR16(s, 0x08200e8, 0x010)); @@ -598,7 +598,7 @@ static int CorrectSysClockDeviation(struct drx397xD_state *s) if (clk - s->config.f_osc * 1000 + clk_limit <= 2 * clk_limit) { s->f_osc = clk; - pr_debug("%s: osc %d %d [Hz]\n", __FUNCTION__, + pr_debug("%s: osc %d %d [Hz]\n", __func__, s->config.f_osc * 1000, clk - s->config.f_osc * 1000); } rc = WR16(s, 0x08200e8, 0); @@ -610,7 +610,7 @@ static int ConfigureMPEGOutput(struct drx397xD_state *s, int type) { int rc, si, bp; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); si = s->config.wA0; if (s->config.w98 == 0) { @@ -646,7 +646,7 @@ static int drx_tune(struct drx397xD_state *s, int rc, df_tuner; int a, b, c, d; - pr_debug("%s %d\n", __FUNCTION__, s->config.d60); + pr_debug("%s %d\n", __func__, s->config.d60); if (s->config.d60 != 2) goto set_tuner; @@ -1082,7 +1082,7 @@ static int drx397x_init(struct dvb_frontend *fe) struct drx397xD_state *s = fe->demodulator_priv; int rc; - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s\n", __func__); s->config.rfagc.d00 = 2; /* 0x7c */ s->config.rfagc.w04 = 0; diff --git a/drivers/media/dvb/frontends/drx397xD.h b/drivers/media/dvb/frontends/drx397xD.h index ddc7a07971b7..2ad1ea0ccfb0 100644 --- a/drivers/media/dvb/frontends/drx397xD.h +++ b/drivers/media/dvb/frontends/drx397xD.h @@ -122,7 +122,7 @@ extern struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config static inline struct dvb_frontend* drx397xD_attach(const struct drx397xD_config *config, struct i2c_adapter *i2c) { - printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif /* CONFIG_DVB_DRX397XD */ -- GitLab From 95f73c5b57990c97047c200b8746ab62a360c5bc Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 22 Jul 2008 14:20:12 -0300 Subject: [PATCH 3742/6244] V4L/DVB (8561): make ivtv_claim_stream() static ivtv_claim_stream() can now become static. Signed-off-by: Adrian Bunk Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-fileops.c | 2 +- drivers/media/video/ivtv/ivtv-fileops.h | 5 ----- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index 7ec5c99f9ad1..304261efc53d 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -39,7 +39,7 @@ associated VBI streams are also automatically claimed. Possible error returns: -EBUSY if someone else has claimed the stream or 0 on success. */ -int ivtv_claim_stream(struct ivtv_open_id *id, int type) +static int ivtv_claim_stream(struct ivtv_open_id *id, int type) { struct ivtv *itv = id->itv; struct ivtv_stream *s = &itv->streams[type]; diff --git a/drivers/media/video/ivtv/ivtv-fileops.h b/drivers/media/video/ivtv/ivtv-fileops.h index 2c8d5186c9c3..df81e790147f 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.h +++ b/drivers/media/video/ivtv/ivtv-fileops.h @@ -38,11 +38,6 @@ void ivtv_unmute(struct ivtv *itv); /* Utilities */ -/* Try to claim a stream for the filehandle. Return 0 on success, - -EBUSY if stream already claimed. Once a stream is claimed, it - remains claimed until the associated filehandle is closed. */ -int ivtv_claim_stream(struct ivtv_open_id *id, int type); - /* Release a previously claimed stream. */ void ivtv_release_stream(struct ivtv_stream *s); -- GitLab From d56dc61265d2527a63ab5b0f03199a43cd89ca36 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 30 Jul 2008 08:43:36 -0300 Subject: [PATCH 3743/6244] V4L/DVB (8613): v4l: move BKL down to the driver level. The BKL is now moved from the video_open function in v4l2-dev.c to the various drivers. It seems about a third of the drivers already has a lock of some sort protecting the open(), another third uses video_exclusive_open (yuck!) and the last third required adding the BKL in their open function. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/dsbr100.c | 3 +++ drivers/media/radio/radio-si470x.c | 2 ++ drivers/media/video/bt8xx/bttv-driver.c | 20 +++++++++++++++---- drivers/media/video/cafe_ccic.c | 6 +++++- drivers/media/video/cx23885/cx23885-417.c | 10 ++++++++-- drivers/media/video/cx23885/cx23885-video.c | 10 ++++++++-- drivers/media/video/cx88/cx88-blackbird.c | 8 +++++++- drivers/media/video/cx88/cx88-video.c | 10 ++++++++-- drivers/media/video/em28xx/em28xx-video.c | 7 ++++++- drivers/media/video/meye.c | 7 ++++++- drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 6 ++++++ drivers/media/video/s2255drv.c | 6 ++++++ drivers/media/video/saa5246a.c | 8 +++++++- drivers/media/video/saa5249.c | 8 +++++++- drivers/media/video/saa7134/saa7134-empress.c | 3 +++ drivers/media/video/saa7134/saa7134-video.c | 8 +++++++- drivers/media/video/se401.c | 6 +++++- drivers/media/video/stk-webcam.c | 6 +++++- drivers/media/video/stradis.c | 6 +++++- drivers/media/video/stv680.c | 2 ++ drivers/media/video/usbvideo/vicam.c | 6 ++++++ .../media/video/usbvision/usbvision-video.c | 2 ++ drivers/media/video/v4l2-dev.c | 3 --- drivers/media/video/vivi.c | 7 ++++++- drivers/media/video/zoran_driver.c | 3 +++ drivers/media/video/zr364xx.c | 8 +++++++- 26 files changed, 146 insertions(+), 25 deletions(-) diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 70c65a745923..3a4eb444a7c3 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -407,15 +407,18 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file) { struct dsbr100_device *radio=video_get_drvdata(video_devdata(file)); + lock_kernel(); radio->users = 1; radio->muted = 1; if (dsbr100_start(radio)<0) { warn("Radio did not start up properly"); radio->users = 0; + unlock_kernel(); return -EIO; } dsbr100_setfreq(radio, radio->curfreq); + unlock_kernel(); return 0; } diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 16c7ef20265c..337d55793836 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -1074,6 +1074,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file) struct si470x_device *radio = video_get_drvdata(video_devdata(file)); int retval; + lock_kernel(); radio->users++; retval = usb_autopm_get_interface(radio->intf); @@ -1090,6 +1091,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file) } done: + unlock_kernel(); return retval; } diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 933eaef41ead..c3526d0258f8 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3227,6 +3227,7 @@ static int bttv_open(struct inode *inode, struct file *file) dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor); + lock_kernel(); for (i = 0; i < bttv_num; i++) { if (bttvs[i].video_dev && bttvs[i].video_dev->minor == minor) { @@ -3241,16 +3242,20 @@ static int bttv_open(struct inode *inode, struct file *file) break; } } - if (NULL == btv) + if (NULL == btv) { + unlock_kernel(); return -ENODEV; + } dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n", btv->c.nr,v4l2_type_names[type]); /* allocate per filehandle data */ fh = kmalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; *fh = btv->init; fh->type = type; @@ -3290,6 +3295,7 @@ static int bttv_open(struct inode *inode, struct file *file) bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); bttv_field_count(btv); + unlock_kernel(); return 0; } @@ -3430,21 +3436,26 @@ static int radio_open(struct inode *inode, struct file *file) dprintk("bttv: open minor=%d\n",minor); + lock_kernel(); for (i = 0; i < bttv_num; i++) { if (bttvs[i].radio_dev && bttvs[i].radio_dev->minor == minor) { btv = &bttvs[i]; break; } } - if (NULL == btv) + if (NULL == btv) { + unlock_kernel(); return -ENODEV; + } dprintk("bttv%d: open called (radio)\n",btv->c.nr); /* allocate per filehandle data */ fh = kmalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; *fh = btv->init; v4l2_prio_open(&btv->prio, &fh->prio); @@ -3457,6 +3468,7 @@ static int radio_open(struct inode *inode, struct file *file) audio_input(btv,TVAUDIO_INPUT_RADIO); mutex_unlock(&btv->lock); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 5405c30dbb04..e9994c81df66 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -1476,9 +1476,12 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) { struct cafe_camera *cam; + lock_kernel(); cam = cafe_find_dev(iminor(inode)); - if (cam == NULL) + if (cam == NULL) { + unlock_kernel(); return -ENODEV; + } filp->private_data = cam; mutex_lock(&cam->s_mutex); @@ -1490,6 +1493,7 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) } (cam->users)++; mutex_unlock(&cam->s_mutex); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 7b0e8c01692e..93777d06d0ac 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -1583,6 +1583,7 @@ static int mpeg_open(struct inode *inode, struct file *file) dprintk(2, "%s()\n", __func__); + lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); if (h->v4l_device->minor == minor) { @@ -1591,13 +1592,17 @@ static int mpeg_open(struct inode *inode, struct file *file) } } - if (dev == NULL) + if (dev == NULL) { + unlock_kernel(); return -ENODEV; + } /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; @@ -1608,6 +1613,7 @@ static int mpeg_open(struct inode *inode, struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct cx23885_buffer), fh); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 6047c78d84bf..d9bef1a54d1f 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -731,6 +731,7 @@ static int video_open(struct inode *inode, struct file *file) enum v4l2_buf_type type = 0; int radio = 0; + lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); if (h->video_dev->minor == minor) { @@ -748,16 +749,20 @@ static int video_open(struct inode *inode, struct file *file) dev = h; } } - if (NULL == dev) + if (NULL == dev) { + unlock_kernel(); return -ENODEV; + } dprintk(1, "open minor=%d radio=%d type=%s\n", minor, radio, v4l2_type_names[type]); /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -775,6 +780,7 @@ static int video_open(struct inode *inode, struct file *file) dprintk(1, "post videobuf_queue_init()\n"); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 9a1374a38ec7..1b7e2e44b802 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1057,12 +1057,15 @@ static int mpeg_open(struct inode *inode, struct file *file) struct cx8802_driver *drv = NULL; int err; + lock_kernel(); dev = cx8802_get_device(inode); dprintk( 1, "%s\n", __func__); - if (dev == NULL) + if (dev == NULL) { + unlock_kernel(); return -ENODEV; + } /* Make sure we can acquire the hardware */ drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); @@ -1077,6 +1080,7 @@ static int mpeg_open(struct inode *inode, struct file *file) if (blackbird_initialize_codec(dev) < 0) { if (drv) drv->request_release(drv); + unlock_kernel(); return -EINVAL; } dprintk(1,"open minor=%d\n",minor); @@ -1086,6 +1090,7 @@ static int mpeg_open(struct inode *inode, struct file *file) if (NULL == fh) { if (drv) drv->request_release(drv); + unlock_kernel(); return -ENOMEM; } file->private_data = fh; @@ -1101,6 +1106,7 @@ static int mpeg_open(struct inode *inode, struct file *file) /* FIXME: locking against other video device */ cx88_set_scale(dev->core, dev->width, dev->height, fh->mpegq.field); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index ef4d56ea0027..61e03d4703f6 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -773,6 +773,7 @@ static int video_open(struct inode *inode, struct file *file) enum v4l2_buf_type type = 0; int radio = 0; + lock_kernel(); list_for_each_entry(h, &cx8800_devlist, devlist) { if (h->video_dev->minor == minor) { dev = h; @@ -788,8 +789,10 @@ static int video_open(struct inode *inode, struct file *file) dev = h; } } - if (NULL == dev) + if (NULL == dev) { + unlock_kernel(); return -ENODEV; + } core = dev->core; @@ -798,8 +801,10 @@ static int video_open(struct inode *inode, struct file *file) /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -832,6 +837,7 @@ static int video_open(struct inode *inode, struct file *file) cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1); cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL); } + unlock_kernel(); return 0; } diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 49ab0629702e..600b340e3550 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1512,6 +1512,7 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) struct em28xx_fh *fh; enum v4l2_buf_type fh_type = 0; + lock_kernel(); list_for_each_entry(h, &em28xx_devlist, devlist) { if (h->vdev->minor == minor) { dev = h; @@ -1527,8 +1528,10 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) dev = h; } } - if (NULL == dev) + if (NULL == dev) { + unlock_kernel(); return -ENODEV; + } em28xx_videodbg("open minor=%d type=%s users=%d\n", minor, v4l2_type_names[fh_type], dev->users); @@ -1537,6 +1540,7 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); if (!fh) { em28xx_errdev("em28xx-video.c: Out of memory?!\n"); + unlock_kernel(); return -ENOMEM; } mutex_lock(&dev->lock); @@ -1573,6 +1577,7 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) sizeof(struct em28xx_buffer), fh); mutex_unlock(&dev->lock); + unlock_kernel(); return errCode; } diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c index a9ef7802eb5f..cdaff2fdf394 100644 --- a/drivers/media/video/meye.c +++ b/drivers/media/video/meye.c @@ -845,15 +845,19 @@ static int meye_open(struct inode *inode, struct file *file) { int i, err; + lock_kernel(); err = video_exclusive_open(inode, file); - if (err < 0) + if (err < 0) { + unlock_kernel(); return err; + } mchip_hic_stop(); if (mchip_dma_alloc()) { printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); video_exclusive_release(inode, file); + unlock_kernel(); return -ENOBUFS; } @@ -861,6 +865,7 @@ static int meye_open(struct inode *inode, struct file *file) meye.grab_buffer[i].state = MEYE_BUF_UNUSED; kfifo_reset(meye.grabq); kfifo_reset(meye.doneq); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index 00306faeac01..26ffaa276c51 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -932,6 +932,7 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) unsigned int input_cnt,idx; int ret = 0; + lock_kernel(); dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); vp = dip->v4lp; @@ -942,11 +943,13 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) if (!pvr2_hdw_dev_ok(hdw)) { pvr2_trace(PVR2_TRACE_OPEN_CLOSE, "pvr2_v4l2_open: hardware not ready"); + unlock_kernel(); return -EIO; } fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); if (!fhp) { + unlock_kernel(); return -ENOMEM; } @@ -976,6 +979,7 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) fhp); kfree(fhp); + unlock_kernel(); return ret; } @@ -992,6 +996,7 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) "Destroying pvr_v4l2_fh id=%p (input map failure)", fhp); kfree(fhp); + unlock_kernel(); return -ENOMEM; } input_cnt = 0; @@ -1015,6 +1020,7 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) v4l2_prio_open(&vp->prio,&fhp->prio); fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index 92b83feae366..de39cf0890fc 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -1457,6 +1457,7 @@ static int s2255_open(struct inode *inode, struct file *file) int cur_channel = -1; dprintk(1, "s2255: open called (minor=%d)\n", minor); + lock_kernel(); list_for_each(list, &s2255_devlist) { h = list_entry(list, struct s2255_dev, s2255_devlist); for (i = 0; i < MAX_CHANNELS; i++) { @@ -1469,6 +1470,7 @@ static int s2255_open(struct inode *inode, struct file *file) } if ((NULL == dev) || (cur_channel == -1)) { + unlock_kernel(); dprintk(1, "s2255: openv4l no dev\n"); return -ENODEV; } @@ -1490,6 +1492,7 @@ static int s2255_open(struct inode *inode, struct file *file) printk(KERN_INFO "2255 FW load failed.\n"); dev->users[cur_channel]--; mutex_unlock(&dev->open_lock); + unlock_kernel(); return -EFAULT; } } else if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_NOTLOADED) { @@ -1506,6 +1509,7 @@ static int s2255_open(struct inode *inode, struct file *file) "try again\n"); dev->users[cur_channel]--; mutex_unlock(&dev->open_lock); + unlock_kernel(); return -EBUSY; } } @@ -1515,6 +1519,7 @@ static int s2255_open(struct inode *inode, struct file *file) if (NULL == fh) { dev->users[cur_channel]--; mutex_unlock(&dev->open_lock); + unlock_kernel(); return -ENOMEM; } @@ -1548,6 +1553,7 @@ static int s2255_open(struct inode *inode, struct file *file) kref_get(&dev->kref); mutex_unlock(&dev->open_lock); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index 6ee63e69b36c..e2c538ee88f2 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -44,6 +44,7 @@ #include #include #include +#include #include #include #include @@ -737,9 +738,12 @@ static int saa5246a_open(struct inode *inode, struct file *file) struct saa5246a_device *t = vd->priv; int err; + lock_kernel(); err = video_exclusive_open(inode,file); - if (err < 0) + if (err < 0) { + unlock_kernel(); return err; + } if (t->client==NULL) { err = -ENODEV; @@ -776,11 +780,13 @@ static int saa5246a_open(struct inode *inode, struct file *file) err = -EIO; goto fail; } + unlock_kernel(); return 0; fail: video_exclusive_release(inode,file); + unlock_kernel(); return err; } diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 0d639738d4e6..96c0fdf1a051 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -52,6 +52,7 @@ #include #include #include +#include #include #include #include @@ -633,9 +634,12 @@ static int saa5249_open(struct inode *inode, struct file *file) struct saa5249_device *t=vd->priv; int err,pgbuf; + lock_kernel(); err = video_exclusive_open(inode,file); - if (err < 0) + if (err < 0) { + unlock_kernel(); return err; + } if (t->client==NULL) { err = -ENODEV; @@ -664,10 +668,12 @@ static int saa5249_open(struct inode *inode, struct file *file) t->is_searching[pgbuf] = false; } t->virtual_mode = false; + unlock_kernel(); return 0; fail: video_exclusive_release(inode,file); + unlock_kernel(); return err; } diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index c0c5d7509c25..6f423d116fb4 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -79,9 +79,11 @@ static int ts_open(struct inode *inode, struct file *file) struct saa7134_dev *dev; int err; + lock_kernel(); list_for_each_entry(dev, &saa7134_devlist, devlist) if (dev->empress_dev && dev->empress_dev->minor == minor) goto found; + unlock_kernel(); return -ENODEV; found: @@ -103,6 +105,7 @@ static int ts_open(struct inode *inode, struct file *file) done_up: mutex_unlock(&dev->empress_tsq.vb_lock); done: + unlock_kernel(); return err; } diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 68c268981861..8fd31138f9ad 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -1330,6 +1330,8 @@ static int video_open(struct inode *inode, struct file *file) struct saa7134_fh *fh; enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; int radio = 0; + + lock_kernel(); list_for_each_entry(dev, &saa7134_devlist, devlist) { if (dev->video_dev && (dev->video_dev->minor == minor)) goto found; @@ -1342,6 +1344,7 @@ static int video_open(struct inode *inode, struct file *file) goto found; } } + unlock_kernel(); return -ENODEV; found: @@ -1350,8 +1353,10 @@ static int video_open(struct inode *inode, struct file *file) /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) + if (NULL == fh) { + unlock_kernel(); return -ENOMEM; + } file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -1384,6 +1389,7 @@ static int video_open(struct inode *inode, struct file *file) /* switch to video/vbi mode */ video_mux(dev,dev->ctl_input); } + unlock_kernel(); return 0; } diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index acceed5d04ae..d16bbf0d2783 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -936,14 +936,18 @@ static int se401_open(struct inode *inode, struct file *file) struct usb_se401 *se401 = (struct usb_se401 *)dev; int err = 0; - if (se401->user) + lock_kernel(); + if (se401->user) { + unlock_kernel(); return -EBUSY; + } se401->fbuf = rvmalloc(se401->maxframesize * SE401_NUMFRAMES); if (se401->fbuf) file->private_data = dev; else err = -ENOMEM; se401->user = !err; + unlock_kernel(); return err; } diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index ad36af30e099..6b1ef5dc562c 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -689,11 +689,15 @@ static int v4l_stk_open(struct inode *inode, struct file *fp) vdev = video_devdata(fp); dev = vdev_to_camera(vdev); - if (dev == NULL || !is_present(dev)) + lock_kernel(); + if (dev == NULL || !is_present(dev)) { + unlock_kernel(); return -ENXIO; + } fp->private_data = vdev; kref_get(&dev->kref); usb_autopm_get_interface(dev->interface); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c index 276bded06ab3..a3cbe9be3c15 100644 --- a/drivers/media/video/stradis.c +++ b/drivers/media/video/stradis.c @@ -1882,12 +1882,16 @@ static int saa_open(struct inode *inode, struct file *file) struct video_device *vdev = video_devdata(file); struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); + lock_kernel(); file->private_data = saa; saa->user++; - if (saa->user > 1) + if (saa->user > 1) { + unlock_kernel(); return 0; /* device open already, don't reset */ + } saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ + unlock_kernel(); return 0; } diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c index dce947439459..b21a8d6827c4 100644 --- a/drivers/media/video/stv680.c +++ b/drivers/media/video/stv680.c @@ -1086,6 +1086,7 @@ static int stv_open (struct inode *inode, struct file *file) int err = 0; /* we are called with the BKL held */ + lock_kernel(); stv680->user = 1; err = stv_init (stv680); /* main initialization routine for camera */ @@ -1099,6 +1100,7 @@ static int stv_open (struct inode *inode, struct file *file) } if (err) stv680->user = 0; + unlock_kernel(); return err; } diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index 2eb45829791c..efb878a7402e 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -488,20 +488,24 @@ vicam_open(struct inode *inode, struct file *file) * rely on this fact forever. */ + lock_kernel(); if (cam->open_count > 0) { printk(KERN_INFO "vicam_open called on already opened camera"); + unlock_kernel(); return -EBUSY; } cam->raw_image = kmalloc(VICAM_MAX_READ_SIZE, GFP_KERNEL); if (!cam->raw_image) { + unlock_kernel(); return -ENOMEM; } cam->framebuf = rvmalloc(VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); if (!cam->framebuf) { kfree(cam->raw_image); + unlock_kernel(); return -ENOMEM; } @@ -509,6 +513,7 @@ vicam_open(struct inode *inode, struct file *file) if (!cam->cntrlbuf) { kfree(cam->raw_image); rvfree(cam->framebuf, VICAM_MAX_FRAME_SIZE * VICAM_FRAMES); + unlock_kernel(); return -ENOMEM; } @@ -526,6 +531,7 @@ vicam_open(struct inode *inode, struct file *file) cam->open_count++; file->private_data = cam; + unlock_kernel(); return 0; } diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index b977116a0dd9..b76295a5be8b 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -367,6 +367,7 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file) PDEBUG(DBG_IO, "open"); + lock_kernel(); usbvision_reset_powerOffTimer(usbvision); if (usbvision->user) @@ -424,6 +425,7 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file) usbvision_empty_framequeues(usbvision); PDEBUG(DBG_IO, "success"); + unlock_kernel(); return errCode; } diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 155fdec9ac7d..6b9f3cb0de98 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -116,7 +116,6 @@ static int video_open(struct inode *inode, struct file *file) if (minor >= VIDEO_NUM_DEVICES) return -ENODEV; - lock_kernel(); mutex_lock(&videodev_lock); vfl = video_device[minor]; if (vfl == NULL) { @@ -126,7 +125,6 @@ static int video_open(struct inode *inode, struct file *file) vfl = video_device[minor]; if (vfl == NULL) { mutex_unlock(&videodev_lock); - unlock_kernel(); return -ENODEV; } } @@ -140,7 +138,6 @@ static int video_open(struct inode *inode, struct file *file) } fops_put(old_fops); mutex_unlock(&videodev_lock); - unlock_kernel(); return err; } diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 8ba8daafd7ea..65c8af18e767 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -898,9 +898,11 @@ static int vivi_open(struct inode *inode, struct file *file) printk(KERN_DEBUG "vivi: open called (minor=%d)\n", minor); + lock_kernel(); list_for_each_entry(dev, &vivi_devlist, vivi_devlist) if (dev->vfd->minor == minor) goto found; + unlock_kernel(); return -ENODEV; found: @@ -925,8 +927,10 @@ found: } unlock: mutex_unlock(&dev->mutex); - if (retval) + if (retval) { + unlock_kernel(); return retval; + } file->private_data = fh; fh->dev = dev; @@ -955,6 +959,7 @@ unlock: sizeof(struct vivi_buffer), fh); vivi_start_thread(fh); + unlock_kernel(); return 0; } diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index 2dab9eea4def..4aa1a765626d 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -1211,6 +1211,7 @@ zoran_open (struct inode *inode, struct zoran_fh *fh; int i, res, first_open = 0, have_module_locks = 0; + lock_kernel(); /* find the device */ for (i = 0; i < zoran_num; i++) { if (zoran[i]->video_dev->minor == minor) { @@ -1321,6 +1322,7 @@ zoran_open (struct inode *inode, file->private_data = fh; fh->zr = zr; zoran_open_init_session(file); + unlock_kernel(); return 0; @@ -1338,6 +1340,7 @@ open_unlock_and_return: if (zr) { /*mutex_unlock(&zr->resource_lock);*/ } + unlock_kernel(); return res; } diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 18d1c4ba79fb..4e1ef10d22df 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -643,14 +643,18 @@ static int zr364xx_open(struct inode *inode, struct file *file) cam->skip = 2; + lock_kernel(); err = video_exclusive_open(inode, file); - if (err < 0) + if (err < 0) { + unlock_kernel(); return err; + } if (!cam->framebuf) { cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); if (!cam->framebuf) { info("vmalloc_32 failed!"); + unlock_kernel(); return -ENOMEM; } } @@ -664,6 +668,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) if (err < 0) { info("error during open sequence: %d", i); mutex_unlock(&cam->lock); + unlock_kernel(); return err; } } @@ -676,6 +681,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) mdelay(100); mutex_unlock(&cam->lock); + unlock_kernel(); return 0; } -- GitLab From 622ecb300345d308c8b4a983ac112b1985d7d156 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 5 Aug 2008 10:03:17 -0300 Subject: [PATCH 3744/6244] V4L/DVB (8625): saa7134: Add NEC prococol IR decoding capability This patch adds the capability of decoding NEC protocol, received via GPIO18 line. This GPIO port can trigger saa7134 IRQ. A future improvement would be to make it a little more generic to work also with GPIO16 line. A pure IRQ code didn't work, since some delays were introduced on the tests we did. A possible approach would be to use polling at a rate of 2.5 ms or less. If a new code were taken, a code similar to nec_task() could be used. However, this would add an extra overhead to kernel, and will consume more power. Due to that, we took an hybrid approach: an IRQ upper half to trigger when a new key is received and a bottom half to convert pulse-distance into a keycode. The bottom half is polling based, to improve performance. During the bottom half proccess, GPIO18 IRQ line is disabled, preventing IRQ reentrancy and improving performance a little bit. Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-input.c | 140 +++++++++++++++++++- include/media/ir-common.h | 5 + 2 files changed, 139 insertions(+), 6 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index ad08d13dffdd..ac6beb2df83d 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -62,8 +62,11 @@ MODULE_PARM_DESC(disable_other_ir, "disable full codes of " #define i2cdprintk(fmt, arg...) if (ir_debug) \ printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) -/** rc5 functions */ +/* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */ static int saa7134_rc5_irq(struct saa7134_dev *dev); +static int saa7134_nec_irq(struct saa7134_dev *dev); +static void nec_task(unsigned long data); +static void saa7134_nec_timer(unsigned long data); /* -------------------- GPIO generic keycode builder -------------------- */ @@ -280,7 +283,9 @@ void saa7134_input_irq(struct saa7134_dev *dev) { struct card_ir *ir = dev->remote; - if (!ir->polling && !ir->rc5_gpio) { + if (ir->nec_gpio) { + saa7134_nec_irq(dev); + } else if (!ir->polling && !ir->rc5_gpio) { build_key(dev); } else if (ir->rc5_gpio) { saa7134_rc5_irq(dev); @@ -316,6 +321,10 @@ void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) ir->addr = 0x17; ir->rc5_key_timeout = ir_rc5_key_timeout; ir->rc5_remote_gap = ir_rc5_remote_gap; + } else if (ir->nec_gpio) { + setup_timer(&ir->timer_keyup, saa7134_nec_timer, + (unsigned long)dev); + tasklet_init(&ir->tlet, nec_task, (unsigned long)dev); } } @@ -335,6 +344,7 @@ int saa7134_input_init1(struct saa7134_dev *dev) u32 mask_keyup = 0; int polling = 0; int rc5_gpio = 0; + int nec_gpio = 0; int ir_type = IR_TYPE_OTHER; int err; @@ -533,6 +543,7 @@ int saa7134_input_init1(struct saa7134_dev *dev) ir->mask_keyup = mask_keyup; ir->polling = polling; ir->rc5_gpio = rc5_gpio; + ir->nec_gpio = nec_gpio; /* init input device */ snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", @@ -675,8 +686,125 @@ static int saa7134_rc5_irq(struct saa7134_dev *dev) return 1; } -/* ---------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: + +/* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms + The first pulse (start) has 9 + 4.5 ms */ + +static void saa7134_nec_timer(unsigned long data) +{ + struct saa7134_dev *dev = (struct saa7134_dev *) data; + struct card_ir *ir = dev->remote; + + dprintk("Cancel key repeat\n"); + + ir_input_nokey(ir->dev, &ir->ir); +} + +static void nec_task(unsigned long data) +{ + struct saa7134_dev *dev = (struct saa7134_dev *) data; + struct card_ir *ir; + struct timeval tv; + int count, pulse, oldpulse, gap; + u32 ircode = 0, not_code = 0; + int ngap = 0; + + if (!data) { + printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n"); + /* GPIO will be kept disabled */ + return; + } + + ir = dev->remote; + + /* rising SAA7134_GPIO_GPRESCAN reads the status */ + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + + oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; + pulse = oldpulse; + + do_gettimeofday(&tv); + ir->base_time = tv; + + /* Decode NEC pulsecode. This code can take up to 76.5 ms to run. + Unfortunately, using IRQ to decode pulse didn't work, since it uses + a pulse train of 38KHz. This means one pulse on each 52 us + */ + do { + /* Wait until the end of pulse/space or 5 ms */ + for (count = 0; count < 500; count++) { + udelay(10); + /* rising SAA7134_GPIO_GPRESCAN reads the status */ + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) + & ir->mask_keydown; + if (pulse != oldpulse) + break; + } + + do_gettimeofday(&tv); + gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + + tv.tv_usec - ir->base_time.tv_usec; + + if (!pulse) { + /* Bit 0 has 560 us, while bit 1 has 1120 us. + Do something only if bit == 1 + */ + if (ngap && (gap > 560 + 280)) { + unsigned int shift = ngap - 1; + + /* Address first, then command */ + if (shift < 8) { + shift += 8; + ircode |= 1 << shift; + } else if (shift < 16) { + not_code |= 1 << shift; + } else if (shift < 24) { + shift -= 16; + ircode |= 1 << shift; + } else { + shift -= 24; + not_code |= 1 << shift; + } + } + ngap++; + } + + + ir->base_time = tv; + + /* TIMEOUT - Long pulse */ + if (gap >= 5000) + break; + oldpulse = pulse; + } while (ngap < 32); + + if (ngap == 32) { + /* FIXME: should check if not_code == ~ircode */ + ir->code = ir_extract_bits(ircode, ir->mask_keycode); + + dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n", + ir->code, ircode, not_code); + + ir_input_keydown(ir->dev, &ir->ir, ir->code, ir->code); + } else + dprintk("Repeat last key\n"); + + /* Keep repeating the last key */ + mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150)); + + saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); +} + +static int saa7134_nec_irq(struct saa7134_dev *dev) +{ + struct card_ir *ir = dev->remote; + + saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); + tasklet_schedule(&ir->tlet); + + return 1; +} diff --git a/include/media/ir-common.h b/include/media/ir-common.h index b8e8aa91905a..f5566d43894c 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -25,6 +25,7 @@ #include #include +#include #define IR_TYPE_RC5 1 #define IR_TYPE_PD 2 /* Pulse distance encoded IR */ @@ -85,6 +86,10 @@ struct card_ir { u32 code; /* raw code under construction */ struct timeval base_time; /* time of last seen code */ int active; /* building raw code */ + + /* NEC decoding */ + u32 nec_gpio; + struct tasklet_struct tlet; }; void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, -- GitLab From 8f2b7b70600212f8c809a7bc2d17d33561842440 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 5 Aug 2008 10:11:25 -0300 Subject: [PATCH 3745/6244] V4L/DVB (8626): Add support for TCL tuner MF02GIP-5N-E Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) and CDI Brasil (www.cdibrasil.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.tuner | 1 + drivers/media/common/tuners/tuner-simple.c | 2 ++ drivers/media/common/tuners/tuner-types.c | 22 ++++++++++++++++++++++ include/media/tuner.h | 1 + 4 files changed, 26 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner index 0e2394695bb8..30bbdda68d03 100644 --- a/Documentation/video4linux/CARDLIST.tuner +++ b/Documentation/video4linux/CARDLIST.tuner @@ -74,3 +74,4 @@ tuner=72 - Thomson FE6600 tuner=73 - Samsung TCPG 6121P30A tuner=75 - Philips TEA5761 FM Radio tuner=76 - Xceive 5000 tuner +tuner=77 - TCL tuner MF02GIP-5N-E diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index aa773a658a2a..fc3a6a9d7c29 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -142,6 +142,7 @@ static inline int tuner_stereo(const int type, const int status) case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FM1256_IH3: case TUNER_LG_NTSC_TAPE: + case TUNER_TCL_MF02GIP_5N: return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); default: return status & TUNER_STEREO; @@ -494,6 +495,7 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) case TUNER_PHILIPS_FMD1216ME_MK3: case TUNER_LG_NTSC_TAPE: case TUNER_PHILIPS_FM1256_IH3: + case TUNER_TCL_MF02GIP_5N: buffer[3] = 0x19; break; case TUNER_TNF_5335MF: diff --git a/drivers/media/common/tuners/tuner-types.c b/drivers/media/common/tuners/tuner-types.c index 10dddca8b5d1..04961a1f44be 100644 --- a/drivers/media/common/tuners/tuner-types.c +++ b/drivers/media/common/tuners/tuner-types.c @@ -1216,6 +1216,23 @@ static struct tuner_params tuner_samsung_tcpg_6121p30a_params[] = { }, }; +/* ------------ TUNER_TCL_MF02GIP-5N-E - TCL MF02GIP-5N ------------ */ + +static struct tuner_range tuner_tcl_mf02gip_5n_ntsc_ranges[] = { + { 16 * 172.00 /*MHz*/, 0x8e, 0x01, }, + { 16 * 448.00 /*MHz*/, 0x8e, 0x02, }, + { 16 * 999.99 , 0x8e, 0x04, }, +}; + +static struct tuner_params tuner_tcl_mf02gip_5n_params[] = { + { + .type = TUNER_PARAM_TYPE_NTSC, + .ranges = tuner_tcl_mf02gip_5n_ntsc_ranges, + .count = ARRAY_SIZE(tuner_tcl_mf02gip_5n_ntsc_ranges), + .cb_first_if_lower_freq = 1, + }, +}; + /* --------------------------------------------------------------------- */ struct tunertype tuners[] = { @@ -1641,6 +1658,11 @@ struct tunertype tuners[] = { .name = "Xceive 5000 tuner", /* see xc5000.c for details */ }, + [TUNER_TCL_MF02GIP_5N] = { /* TCL tuner MF02GIP-5N-E */ + .name = "TCL tuner MF02GIP-5N-E", + .params = tuner_tcl_mf02gip_5n_params, + .count = ARRAY_SIZE(tuner_tcl_mf02gip_5n_params), + }, }; EXPORT_SYMBOL(tuners); diff --git a/include/media/tuner.h b/include/media/tuner.h index 77068fcc86bd..ba818985cc84 100644 --- a/include/media/tuner.h +++ b/include/media/tuner.h @@ -122,6 +122,7 @@ #define TUNER_TDA9887 74 /* This tuner should be used only internally */ #define TUNER_TEA5761 75 /* Only FM Radio Tuner */ #define TUNER_XC5000 76 /* Xceive Silicon Tuner */ +#define TUNER_TCL_MF02GIP_5N 77 /* TCL MF02GIP_5N */ /* tv card specific */ #define TDA9887_PRESENT (1<<0) -- GitLab From b46a9c8b7a8a77f28773816fd2afa1186743457d Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 5 Aug 2008 10:12:35 -0300 Subject: [PATCH 3746/6244] V4L/DVB (8627): Fix mute on bttv driver Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index c3526d0258f8..035a58d1aaa4 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -3275,6 +3275,7 @@ static int bttv_open(struct inode *inode, struct file *file) sizeof(struct bttv_buffer), fh); set_tvnorm(btv,btv->tvnorm); + set_input(btv, btv->input, btv->tvnorm); btv->users++; @@ -3336,6 +3337,10 @@ static int bttv_release(struct inode *inode, struct file *file) btv->users--; bttv_field_count(btv); + + if (!btv->users) + audio_mute(btv, 1); + return 0; } -- GitLab From 08b1438cc2d50f559cc33ca4d9251636cec11647 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 6 Aug 2008 20:13:46 -0300 Subject: [PATCH 3747/6244] V4L/DVB (8628a): Remove duplicated include Removes duplicated #include Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/vino.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c index 1edda456fc64..7072cdf74ed4 100644 --- a/drivers/media/video/vino.c +++ b/drivers/media/video/vino.c @@ -39,7 +39,6 @@ #include #include -#include #include #include #include -- GitLab From 7d341a6a52f115512d60b2de89b2ebde54da8eff Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 5 Aug 2008 10:14:13 -0300 Subject: [PATCH 3748/6244] V4L/DVB (8628): bttv: Add support for Encore ENLTV2-FM Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) and CDI Brasil (www.cdibrasil.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.bttv | 1 + drivers/media/common/ir-keymaps.c | 55 ++++++++++++++++++++-- drivers/media/video/bt8xx/bttv-cards.c | 27 ++++++++++- drivers/media/video/bt8xx/bttv-input.c | 62 +++++++++++++++++++++++-- drivers/media/video/bt8xx/bttv.h | 2 +- include/media/ir-common.h | 1 + 6 files changed, 140 insertions(+), 8 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.bttv b/Documentation/video4linux/CARDLIST.bttv index f32efb6fb12c..60ba66836038 100644 --- a/Documentation/video4linux/CARDLIST.bttv +++ b/Documentation/video4linux/CARDLIST.bttv @@ -150,3 +150,4 @@ 149 -> Typhoon TV-Tuner PCI (50684) 150 -> Geovision GV-600 [008a:763c] 151 -> Kozumi KTV-01C +152 -> Encore ENL TV-FM-2 [1000:1801] diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index 8fa91f846d59..aedfabd57388 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -1792,12 +1792,61 @@ IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE] = { [ 0x41 ] = KEY_GREEN, /* AP2 */ [ 0x47 ] = KEY_YELLOW, /* AP3 */ [ 0x57 ] = KEY_BLUE, /* AP4 */ - - }; - EXPORT_SYMBOL_GPL(ir_codes_encore_enltv); +/* Encore ENLTV2-FM - silver plastic - "Wand Media" written at the botton + Mauro Carvalho Chehab */ +IR_KEYTAB_TYPE ir_codes_encore_enltv2[IR_KEYTAB_SIZE] = { + [0x4c] = KEY_POWER2, + [0x4a] = KEY_TUNER, + [0x40] = KEY_1, + [0x60] = KEY_2, + [0x50] = KEY_3, + [0x70] = KEY_4, + [0x48] = KEY_5, + [0x68] = KEY_6, + [0x58] = KEY_7, + [0x78] = KEY_8, + [0x44] = KEY_9, + [0x54] = KEY_0, + + [0x64] = KEY_LAST, /* +100 */ + [0x4e] = KEY_AGAIN, /* Recall */ + + [0x6c] = KEY_SWITCHVIDEOMODE, /* Video Source */ + [0x5e] = KEY_MENU, + [0x56] = KEY_SCREEN, + [0x7a] = KEY_SETUP, + + [0x46] = KEY_MUTE, + [0x5c] = KEY_MODE, /* Stereo */ + [0x74] = KEY_INFO, + [0x7c] = KEY_CLEAR, + + [0x55] = KEY_UP, + [0x49] = KEY_DOWN, + [0x7e] = KEY_LEFT, + [0x59] = KEY_RIGHT, + [0x6a] = KEY_ENTER, + + [0x42] = KEY_VOLUMEUP, + [0x62] = KEY_VOLUMEDOWN, + [0x52] = KEY_CHANNELUP, + [0x72] = KEY_CHANNELDOWN, + + [0x41] = KEY_RECORD, + [0x51] = KEY_SHUFFLE, /* Snapshot */ + [0x75] = KEY_TIME, /* Timeshift */ + [0x71] = KEY_TV2, /* PIP */ + + [0x45] = KEY_REWIND, + [0x6f] = KEY_PAUSE, + [0x7d] = KEY_FORWARD, + [0x79] = KEY_STOP, +}; +EXPORT_SYMBOL_GPL(ir_codes_encore_enltv2); + /* for the Technotrend 1500 bundled remotes (grey and black): */ IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE] = { [ 0x01 ] = KEY_POWER, diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index 6081edc362df..13742b0bbe3e 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -305,7 +305,7 @@ static struct CARD { { 0x00261822, BTTV_BOARD_TWINHAN_DST, "DNTV Live! Mini "}, { 0xd200dbc0, BTTV_BOARD_DVICO_FUSIONHDTV_2, "DViCO FusionHDTV 2" }, { 0x763c008a, BTTV_BOARD_GEOVISION_GV600, "GeoVision GV-600" }, - + { 0x18011000, BTTV_BOARD_ENLTV_FM_2, "Encore ENL TV-FM-2" }, { 0, -1, NULL } }; @@ -3037,6 +3037,31 @@ struct tvcard bttv_tvcards[] = { .has_radio = 1, .has_remote = 1, }, + [BTTV_BOARD_ENLTV_FM_2] = { + /* Encore TV Tuner Pro ENL TV-FM-2 + Mauro Carvalho Chehab IR disabled + bit 18/17 = 00 -> mute + 01 -> enable external audio input + 10 -> internal audio input (mono?) + 11 -> internal audio input + */ + .gpiomask = 0x060040, + .muxsel = { 2, 3, 3 }, + .gpiomux = { 0x60000, 0x60000, 0x20000, 0x20000 }, + .gpiomute = 0, + .tuner_type = TUNER_TCL_MF02GIP_5N, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .pll = PLL_28, + .has_radio = 1, + .has_remote = 1, + } }; static const unsigned int bttv_num_tvcards = ARRAY_SIZE(bttv_tvcards); diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c index a38af98f4cae..2f289d981fe6 100644 --- a/drivers/media/video/bt8xx/bttv-input.c +++ b/drivers/media/video/bt8xx/bttv-input.c @@ -28,8 +28,8 @@ #include "bttvp.h" -static int debug; -module_param(debug, int, 0644); /* debug level (0,1,2) */ +static int ir_debug; +module_param(ir_debug, int, 0644); static int repeat_delay = 500; module_param(repeat_delay, int, 0644); static int repeat_period = 33; @@ -40,6 +40,12 @@ module_param(ir_rc5_remote_gap, int, 0644); static int ir_rc5_key_timeout = 200; module_param(ir_rc5_key_timeout, int, 0644); +#undef dprintk +#define dprintk(arg...) do { \ + if (ir_debug >= 1) \ + printk(arg); \ +} while (0) + #define DEVNAME "bttv-input" /* ---------------------------------------------------------------------- */ @@ -79,6 +85,45 @@ static void ir_handle_key(struct bttv *btv) } +static void ir_enltv_handle_key(struct bttv *btv) +{ + struct card_ir *ir = btv->remote; + u32 gpio, data, keyup; + + /* read gpio value */ + gpio = bttv_gpio_read(&btv->c); + + /* extract data */ + data = ir_extract_bits(gpio, ir->mask_keycode); + + /* Check if it is keyup */ + keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0; + + if ((ir->last_gpio & 0x7f) != data) { + dprintk(KERN_INFO DEVNAME ": gpio=0x%x code=%d | %s\n", + gpio, data, + (gpio & ir->mask_keyup) ? " up" : "up/down"); + + ir_input_keydown(ir->dev, &ir->ir, data, data); + if (keyup) + ir_input_nokey(ir->dev, &ir->ir); + } else { + if ((ir->last_gpio & 1 << 31) == keyup) + return; + + dprintk(KERN_INFO DEVNAME ":(cnt) gpio=0x%x code=%d | %s\n", + gpio, data, + (gpio & ir->mask_keyup) ? " up" : "down"); + + if (keyup) + ir_input_nokey(ir->dev, &ir->ir); + else + ir_input_keydown(ir->dev, &ir->ir, data, data); + } + + ir->last_gpio = data | keyup; +} + void bttv_input_irq(struct bttv *btv) { struct card_ir *ir = btv->remote; @@ -92,7 +137,10 @@ static void bttv_input_timer(unsigned long data) struct bttv *btv = (struct bttv*)data; struct card_ir *ir = btv->remote; - ir_handle_key(btv); + if (btv->c.type == BTTV_BOARD_ENLTV_FM_2) + ir_enltv_handle_key(btv); + else + ir_handle_key(btv); mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); } @@ -284,6 +332,14 @@ int bttv_input_init(struct bttv *btv) ir->mask_keyup = 0x006000; ir->polling = 50; /* ms */ break; + case BTTV_BOARD_ENLTV_FM_2: + ir_codes = ir_codes_encore_enltv2; + ir->mask_keycode = 0x00fd00; + ir->mask_keyup = 0x000080; + ir->polling = 1; /* ms */ + ir->last_gpio = ir_extract_bits(bttv_gpio_read(&btv->c), + ir->mask_keycode); + break; } if (NULL == ir_codes) { dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n", btv->c.type); diff --git a/drivers/media/video/bt8xx/bttv.h b/drivers/media/video/bt8xx/bttv.h index 6d93d16c96e4..46cb90e0985b 100644 --- a/drivers/media/video/bt8xx/bttv.h +++ b/drivers/media/video/bt8xx/bttv.h @@ -176,7 +176,7 @@ #define BTTV_BOARD_TYPHOON_TVTUNERPCI 0x95 #define BTTV_BOARD_GEOVISION_GV600 0x96 #define BTTV_BOARD_KOZUMI_KTV_01C 0x97 - +#define BTTV_BOARD_ENLTV_FM_2 0x98 /* more card-specific defines */ #define PT2254_L_CHANNEL 0x10 diff --git a/include/media/ir-common.h b/include/media/ir-common.h index f5566d43894c..6f8ef35de4a4 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -144,6 +144,7 @@ extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE]; +extern IR_KEYTAB_TYPE ir_codes_encore_enltv2[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE]; -- GitLab From a832781cd383e70929c0ceece23f8a5b62e2152b Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 25 Jul 2008 10:31:23 -0300 Subject: [PATCH 3749/6244] V4L/DVB (8630): First mxb cleanup phase Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mxb.c | 13 ++- drivers/media/video/tda9840.c | 166 ++++++++++++--------------------- drivers/media/video/tea6415c.c | 131 ++++++++------------------ drivers/media/video/tea6420.c | 147 ++++++++++------------------- 4 files changed, 155 insertions(+), 302 deletions(-) diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index 8ef578caba3b..7c9820c72a6f 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -466,15 +466,15 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data /* checking for i2c-devices can be omitted here, because we already did this in "mxb_vl42_probe" */ - saa7146_vv_init(dev,&vv_data); - if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { + saa7146_vv_init(dev, &vv_data); + if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { ERR(("cannot register capture v4l2 device. skipping.\n")); return -1; } /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ - if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) { - if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { + if (MXB_BOARD_CAN_DO_VBI(dev)) { + if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { ERR(("cannot register vbi v4l2 device. skipping.\n")); } } @@ -486,7 +486,7 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data i2c_use_client(mxb->saa7111a); i2c_use_client(mxb->tuner); - printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num); + printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num); mxb_num++; mxb_init_done(dev); @@ -737,8 +737,8 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index)); memset(t,0,sizeof(*t)); - strcpy(t->name, "Television"); + strlcpy(t->name, "Television", sizeof(t->name)); t->type = V4L2_TUNER_ANALOG_TV; t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */ @@ -746,7 +746,6 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) /* FIXME: add the real signal strength here */ t->signal = 0xffff; t->afc = 0; - mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte); t->audmode = mxb->cur_mode; diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index 2437c1a269c5..57deeb893318 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -2,6 +2,7 @@ tda9840 - i2c-driver for the tda9840 by SGS Thomson Copyright (C) 1998-2003 Michael Hunold + Copyright (C) 2008 Hans Verkuil The tda9840 is a stereo/dual sound processor with digital identification. It can be found at address 0x84 on the i2c-bus. @@ -28,15 +29,18 @@ #include #include #include - +#include +#include #include "tda9840.h" -static int debug; /* insmod parameter */ +MODULE_AUTHOR("Michael Hunold "); +MODULE_DESCRIPTION("tda9840 driver"); +MODULE_LICENSE("GPL"); + +static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +MODULE_PARM_DESC(debug, "Debug level (0-1)"); #define SWITCH 0x00 #define LEVEL_ADJUST 0x02 @@ -49,18 +53,21 @@ static unsigned short normal_i2c[] = { I2C_ADDR_TDA9840, I2C_CLIENT_END }; /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; +static void tda9840_write(struct i2c_client *client, u8 reg, u8 val) +{ + if (i2c_smbus_write_byte_data(client, reg, val)) + v4l_dbg(1, debug, client, "error writing %02x to %02x\n", + val, reg); +} -static int command(struct i2c_client *client, unsigned int cmd, void *arg) +static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) { int result; int byte = *(int *)arg; switch (cmd) { case TDA9840_SWITCH: - - dprintk("TDA9840_SWITCH: 0x%02x\n", byte); + v4l_dbg(1, debug, client, "TDA9840_SWITCH: 0x%02x\n", byte); if (byte != TDA9840_SET_MONO && byte != TDA9840_SET_MUTE @@ -73,14 +80,11 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) return -EINVAL; } - result = i2c_smbus_write_byte_data(client, SWITCH, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, SWITCH, byte); break; case TDA9840_LEVEL_ADJUST: - - dprintk("TDA9840_LEVEL_ADJUST: %d\n", byte); + v4l_dbg(1, debug, client, "TDA9840_LEVEL_ADJUST: %d\n", byte); /* check for correct range */ if (byte > 25 || byte < -20) @@ -92,15 +96,11 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) byte += 0x8; else byte = -byte; - - result = i2c_smbus_write_byte_data(client, LEVEL_ADJUST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, LEVEL_ADJUST, byte); break; case TDA9840_STEREO_ADJUST: - - dprintk("TDA9840_STEREO_ADJUST: %d\n", byte); + v4l_dbg(1, debug, client, "TDA9840_STEREO_ADJUST: %d\n", byte); /* check for correct range */ if (byte > 25 || byte < -24) @@ -113,9 +113,7 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) else byte = -byte; - result = i2c_smbus_write_byte_data(client, STEREO_ADJUST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, STEREO_ADJUST, byte); break; case TDA9840_DETECT: { @@ -123,29 +121,29 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) byte = i2c_smbus_read_byte_data(client, STEREO_ADJUST); if (byte == -1) { - dprintk("i2c_smbus_read_byte_data() failed\n"); + v4l_dbg(1, debug, client, + "i2c_smbus_read_byte_data() failed\n"); return -EIO; } - if (0 != (byte & 0x80)) { - dprintk("TDA9840_DETECT: register contents invalid\n"); + if (byte & 0x80) { + v4l_dbg(1, debug, client, + "TDA9840_DETECT: register contents invalid\n"); return -EINVAL; } - dprintk("TDA9840_DETECT: byte: 0x%02x\n", byte); - *ret = ((byte & 0x60) >> 5); + v4l_dbg(1, debug, client, "TDA9840_DETECT: byte: 0x%02x\n", byte); + *ret = (byte & 0x60) >> 5; result = 0; break; } case TDA9840_TEST: - dprintk("TDA9840_TEST: 0x%02x\n", byte); + v4l_dbg(1, debug, client, "TDA9840_TEST: 0x%02x\n", byte); /* mask out irrelevant bits */ byte &= 0x3; - result = i2c_smbus_write_byte_data(client, TEST, byte); - if (result) - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", result); + tda9840_write(client, TEST, byte); break; default: return -ENOIOCTLCMD; @@ -157,99 +155,51 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) return 0; } -static int detect(struct i2c_adapter *adapter, int address, int kind) +static int tda9840_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct i2c_client *client; - int result = 0; - - int byte = 0x0; + int result; + int byte; /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, - I2C_FUNC_SMBUS_READ_BYTE_DATA | - I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) { + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_BYTE_DATA | + I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return 0; - } - /* allocate memory for client structure */ - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - printk("not enough kernel memory\n"); - return -ENOMEM; - } - - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; - - /* tell the i2c layer a new client has arrived */ - if (0 != (result = i2c_attach_client(client))) { - kfree(client); - return result; - } + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); /* set initial values for level & stereo - adjustment, mode */ byte = 0; - result = command(client, TDA9840_LEVEL_ADJUST, &byte); - result += command(client, TDA9840_STEREO_ADJUST, &byte); + result = tda9840_command(client, TDA9840_LEVEL_ADJUST, &byte); + result += tda9840_command(client, TDA9840_STEREO_ADJUST, &byte); byte = TDA9840_SET_MONO; - result = command(client, TDA9840_SWITCH, &byte); + result = tda9840_command(client, TDA9840_SWITCH, &byte); if (result) { - dprintk("could not initialize tda9840\n"); + v4l_dbg(1, debug, client, "could not initialize tda9840\n"); return -ENODEV; } - - printk("tda9840: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); return 0; } -static int attach(struct i2c_adapter *adapter) +static int tda9840_legacy_probe(struct i2c_adapter *adapter) { - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &detect); + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - -static struct i2c_driver driver = { - .driver = { - .name = "tda9840", - }, - .id = I2C_DRIVERID_TDA9840, - .attach_adapter = attach, - .detach_client = detach, - .command = command, +static const struct i2c_device_id tda9840_id[] = { + { "tda9840", 0 }, + { } }; +MODULE_DEVICE_TABLE(i2c, tda9840_id); -static struct i2c_client client_template = { +static struct v4l2_i2c_driver_data v4l2_i2c_data = { .name = "tda9840", - .driver = &driver, + .driverid = I2C_DRIVERID_TDA9840, + .command = tda9840_command, + .probe = tda9840_probe, + .legacy_probe = tda9840_legacy_probe, + .id_table = tda9840_id, }; - -static int __init this_module_init(void) -{ - return i2c_add_driver(&driver); -} - -static void __exit this_module_exit(void) -{ - i2c_del_driver(&driver); -} - -module_init(this_module_init); -module_exit(this_module_exit); - -MODULE_AUTHOR("Michael Hunold "); -MODULE_DESCRIPTION("tda9840 driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index 421c1445e96c..cde092adbb5a 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.c @@ -2,6 +2,7 @@ tea6415c - i2c-driver for the tea6415c by SGS Thomson Copyright (C) 1998-2003 Michael Hunold + Copyright (C) 2008 Hans Verkuil The tea6415c is a bus controlled video-matrix-switch with 8 inputs and 6 outputs. @@ -30,18 +31,18 @@ #include #include #include - +#include +#include #include "tea6415c.h" -static int debug; /* insmod parameter */ -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); +MODULE_AUTHOR("Michael Hunold "); +MODULE_DESCRIPTION("tea6415c driver"); +MODULE_LICENSE("GPL"); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +static int debug; +module_param(debug, int, 0644); -#define TEA6415C_NUM_INPUTS 8 -#define TEA6415C_NUM_OUTPUTS 6 +MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* addresses to scan, found only at 0x03 and/or 0x43 (7-bit) */ static unsigned short normal_i2c[] = { I2C_TEA6415C_1, I2C_TEA6415C_2, I2C_CLIENT_END }; @@ -49,60 +50,6 @@ static unsigned short normal_i2c[] = { I2C_TEA6415C_1, I2C_TEA6415C_2, I2C_CLIEN /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; - -/* this function is called by i2c_probe */ -static int detect(struct i2c_adapter *adapter, int address, int kind) -{ - struct i2c_client *client = NULL; - int err = 0; - - /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) { - return 0; - } - - /* allocate memory for client structure */ - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - return -ENOMEM; - } - - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; - - /* tell the i2c layer a new client has arrived */ - if (0 != (err = i2c_attach_client(client))) { - kfree(client); - return err; - } - - printk("tea6415c: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); - - return 0; -} - -static int attach(struct i2c_adapter *adapter) -{ - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &detect); -} - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - /* makes a connection between the input-pin 'i' and the output-pin 'o' for the tea6415c-client 'client' */ static int switch_matrix(struct i2c_client *client, int i, int o) @@ -110,7 +57,7 @@ static int switch_matrix(struct i2c_client *client, int i, int o) u8 byte = 0; int ret; - dprintk("adr:0x%02x, i:%d, o:%d\n", client->addr, i, o); + v4l_dbg(1, debug, client, "i=%d, o=%d\n", i, o); /* check if the pins are valid */ if (0 == ((1 == i || 3 == i || 5 == i || 6 == i || 8 == i || 10 == i || 20 == i || 11 == i) @@ -168,14 +115,14 @@ static int switch_matrix(struct i2c_client *client, int i, int o) ret = i2c_smbus_write_byte(client, byte); if (ret) { - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", ret); + v4l_dbg(1, debug, client, + "i2c_smbus_write_byte() failed, ret:%d\n", ret); return -EIO; } - return ret; } -static int command(struct i2c_client *client, unsigned int cmd, void *arg) +static int tea6415c_command(struct i2c_client *client, unsigned cmd, void *arg) { struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg; int result = 0; @@ -187,38 +134,40 @@ static int command(struct i2c_client *client, unsigned int cmd, void *arg) default: return -ENOIOCTLCMD; } - return result; } -static struct i2c_driver driver = { - .driver = { - .name = "tea6415c", - }, - .id = I2C_DRIVERID_TEA6415C, - .attach_adapter = attach, - .detach_client = detach, - .command = command, -}; - -static struct i2c_client client_template = { - .name = "tea6415c", - .driver = &driver, -}; - -static int __init this_module_init(void) +/* this function is called by i2c_probe */ +static int tea6415c_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - return i2c_add_driver(&driver); + /* let's see whether this adapter can support what we need */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) + return 0; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + return 0; } -static void __exit this_module_exit(void) +static int tea6415c_legacy_probe(struct i2c_adapter *adapter) { - i2c_del_driver(&driver); + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } -module_init(this_module_init); -module_exit(this_module_exit); +static const struct i2c_device_id tea6415c_id[] = { + { "tea6415c", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tea6415c_id); -MODULE_AUTHOR("Michael Hunold "); -MODULE_DESCRIPTION("tea6415c driver"); -MODULE_LICENSE("GPL"); +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "tea6415c", + .driverid = I2C_DRIVERID_TEA6415C, + .command = tea6415c_command, + .probe = tea6415c_probe, + .legacy_probe = tea6415c_legacy_probe, + .id_table = tea6415c_id, +}; diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index b5c8957d130e..e50820969e64 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -2,6 +2,7 @@ tea6420 - i2c-driver for the tea6420 by SGS Thomson Copyright (C) 1998-2003 Michael Hunold + Copyright (C) 2008 Hans Verkuil The tea6420 is a bus controlled audio-matrix with 5 stereo inputs, 4 stereo outputs and gain control for each output. @@ -30,15 +31,18 @@ #include #include #include - +#include +#include #include "tea6420.h" -static int debug; /* insmod parameter */ +MODULE_AUTHOR("Michael Hunold "); +MODULE_DESCRIPTION("tea6420 driver"); +MODULE_LICENSE("GPL"); + +static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); -#define dprintk(args...) \ - do { if (debug) { printk("%s: %s()[%d]: ", KBUILD_MODNAME, __func__, __LINE__); printk(args); } } while (0) +MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* addresses to scan, found only at 0x4c and/or 0x4d (7-Bit) */ static unsigned short normal_i2c[] = { I2C_ADDR_TEA6420_1, I2C_ADDR_TEA6420_2, I2C_CLIENT_END }; @@ -46,23 +50,20 @@ static unsigned short normal_i2c[] = { I2C_ADDR_TEA6420_1, I2C_ADDR_TEA6420_2, I /* magic definition of all other variables and things */ I2C_CLIENT_INSMOD; -static struct i2c_driver driver; -static struct i2c_client client_template; - /* make a connection between the input 'i' and the output 'o' with gain 'g' for the tea6420-client 'client' (note: i = 6 means 'mute') */ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) { - u8 byte = 0; + u8 byte; int ret; - dprintk("adr:0x%02x, i:%d, o:%d, g:%d\n", client->addr, i, o, g); + v4l_dbg(1, debug, client, "i=%d, o=%d, g=%d\n", i, o, g); /* check if the parameters are valid */ if (i < 1 || i > 6 || o < 1 || o > 4 || g < 0 || g > 6 || g % 2 != 0) return -1; - byte = ((o - 1) << 5); + byte = ((o - 1) << 5); byte |= (i - 1); /* to understand this, have a look at the tea6420-specs (p.5) */ @@ -82,40 +83,41 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g) ret = i2c_smbus_write_byte(client, byte); if (ret) { - dprintk("i2c_smbus_write_byte() failed, ret:%d\n", ret); + v4l_dbg(1, debug, client, + "i2c_smbus_write_byte() failed, ret:%d\n", ret); return -EIO; } - return 0; } -/* this function is called by i2c_probe */ -static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind) +static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg) { - struct i2c_client *client; - int err = 0, i = 0; + struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; + int result = 0; - /* let's see whether this adapter can support what we need */ - if (0 == i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) { - return 0; + switch (cmd) { + case TEA6420_SWITCH: + result = tea6420_switch(client, a->in, a->out, a->gain); + break; + default: + return -ENOIOCTLCMD; } - /* allocate memory for client structure */ - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) { - return -ENOMEM; - } + return result; +} - /* fill client structure */ - memcpy(client, &client_template, sizeof(struct i2c_client)); - client->addr = address; - client->adapter = adapter; +/* this function is called by i2c_probe */ +static int tea6420_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int err, i; - /* tell the i2c layer a new client has arrived */ - if (0 != (err = i2c_attach_client(client))) { - kfree(client); - return err; - } + /* let's see whether this adapter can support what we need */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE)) + return -EIO; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); /* set initial values: set "mute"-input to all outputs at gain 0 */ err = 0; @@ -123,78 +125,31 @@ static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind) err += tea6420_switch(client, 6, i, 0); } if (err) { - dprintk("could not initialize tea6420\n"); + v4l_dbg(1, debug, client, "could not initialize tea6420\n"); kfree(client); return -ENODEV; } - - printk("tea6420: detected @ 0x%02x on adapter %s\n", address, &client->adapter->name[0]); - return 0; } -static int attach(struct i2c_adapter *adapter) +static int tea6420_legacy_probe(struct i2c_adapter *adapter) { - /* let's see whether this is a know adapter we can attach to */ - if (adapter->id != I2C_HW_SAA7146) { - dprintk("refusing to probe on unknown adapter [name='%s',id=0x%x]\n", adapter->name, adapter->id); - return -ENODEV; - } - - return i2c_probe(adapter, &addr_data, &tea6420_detect); -} - -static int detach(struct i2c_client *client) -{ - int ret = i2c_detach_client(client); - kfree(client); - return ret; -} - -static int command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg; - int result = 0; - - switch (cmd) { - case TEA6420_SWITCH: - result = tea6420_switch(client, a->in, a->out, a->gain); - break; - default: - return -ENOIOCTLCMD; - } - - return result; + /* Let's see whether this is a known adapter we can attach to. + Prevents conflicts with tvaudio.c. */ + return adapter->id == I2C_HW_SAA7146; } -static struct i2c_driver driver = { - .driver = { - .name = "tea6420", - }, - .id = I2C_DRIVERID_TEA6420, - .attach_adapter = attach, - .detach_client = detach, - .command = command, +static const struct i2c_device_id tea6420_id[] = { + { "tea6420", 0 }, + { } }; +MODULE_DEVICE_TABLE(i2c, tea6420_id); -static struct i2c_client client_template = { +static struct v4l2_i2c_driver_data v4l2_i2c_data = { .name = "tea6420", - .driver = &driver, + .driverid = I2C_DRIVERID_TEA6420, + .command = tea6420_command, + .probe = tea6420_probe, + .legacy_probe = tea6420_legacy_probe, + .id_table = tea6420_id, }; - -static int __init this_module_init(void) -{ - return i2c_add_driver(&driver); -} - -static void __exit this_module_exit(void) -{ - i2c_del_driver(&driver); -} - -module_init(this_module_init); -module_exit(this_module_exit); - -MODULE_AUTHOR("Michael Hunold "); -MODULE_DESCRIPTION("tea6420 driver"); -MODULE_LICENSE("GPL"); -- GitLab From 188919ac57810e39138749338d5a33ba1e970e23 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Fri, 8 Aug 2008 07:21:00 -0300 Subject: [PATCH 3750/6244] V4L/DVB (8634): v4l2: extend MPEG Encoding API with AVC and AAC Adds Advanced Audio Coding (AAC) and MPEG-4 Advanced Video Coding (AVC/H.264) as audio/video codecs to the extended controls API. Updates cx2341x driver to the new values. Signed-off-by: Janne Grunau Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx2341x.c | 5 ++++- drivers/media/video/v4l2-common.c | 14 ++++++++------ include/linux/videodev2.h | 6 ++++-- 3 files changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c index 22847a0444f5..cbbe47fb87b7 100644 --- a/drivers/media/video/cx2341x.c +++ b/drivers/media/video/cx2341x.c @@ -508,7 +508,10 @@ int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params, /* this setting is read-only for the cx2341x since the V4L2_CID_MPEG_STREAM_TYPE really determines the MPEG-1/2 setting */ - err = v4l2_ctrl_query_fill_std(qctrl); + err = v4l2_ctrl_query_fill(qctrl, + V4L2_MPEG_VIDEO_ENCODING_MPEG_1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2); if (err == 0) qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; return err; diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 88ca13104417..893ac496c4b4 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -187,9 +187,10 @@ const char **v4l2_ctrl_get_menu(u32 id) NULL }; static const char *mpeg_audio_encoding[] = { - "Layer I", - "Layer II", - "Layer III", + "MPEG-1 Layer I", + "MPEG-1 Layer II", + "MPEG-1 Layer III", + "MPEG-4 AAC", NULL }; static const char *mpeg_audio_l1_bitrate[] = { @@ -271,6 +272,7 @@ const char **v4l2_ctrl_get_menu(u32 id) static const char *mpeg_video_encoding[] = { "MPEG-1", "MPEG-2", + "MPEG-4 AVC", NULL }; static const char *mpeg_video_aspect[] = { @@ -358,7 +360,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste /* MPEG controls */ case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break; case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break; - case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break; + case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding"; break; case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break; case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break; @@ -493,7 +495,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) case V4L2_CID_MPEG_AUDIO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_1, - V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1, + V4L2_MPEG_AUDIO_ENCODING_AAC, 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return v4l2_ctrl_query_fill(qctrl, @@ -535,7 +537,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) case V4L2_CID_MPEG_VIDEO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_VIDEO_ENCODING_MPEG_1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, V4L2_MPEG_VIDEO_ENCODING_MPEG_2); case V4L2_CID_MPEG_VIDEO_ASPECT: return v4l2_ctrl_query_fill(qctrl, diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 303d93ffd6b2..350aba2714fc 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -910,6 +910,7 @@ enum v4l2_mpeg_audio_encoding { V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0, V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2, + V4L2_MPEG_AUDIO_ENCODING_AAC = 3, }; #define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102) enum v4l2_mpeg_audio_l1_bitrate { @@ -992,8 +993,9 @@ enum v4l2_mpeg_audio_crc { /* MPEG video */ #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200) enum v4l2_mpeg_video_encoding { - V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0, + V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2, }; #define V4L2_CID_MPEG_VIDEO_ASPECT (V4L2_CID_MPEG_BASE+201) enum v4l2_mpeg_video_aspect { -- GitLab From e6b5da88fb24c5c1e52707faea7c46df09da42f0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 07:38:07 -0300 Subject: [PATCH 3751/6244] V4L/DVB (8635): v4l: add AC-3 audio support to the MPEG Encoding API Some models of the saa6752hs support AC-3. Extend the API with the necessary controls for AC-3. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-common.c | 42 +++++++++++++++++++++++++++---- include/linux/videodev2.h | 23 +++++++++++++++++ 2 files changed, 60 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 893ac496c4b4..0a96cc35738c 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -187,10 +187,11 @@ const char **v4l2_ctrl_get_menu(u32 id) NULL }; static const char *mpeg_audio_encoding[] = { - "MPEG-1 Layer I", - "MPEG-1 Layer II", - "MPEG-1 Layer III", - "MPEG-4 AAC", + "MPEG-1/2 Layer I", + "MPEG-1/2 Layer II", + "MPEG-1/2 Layer III", + "MPEG-2/4 AAC", + "AC-3", NULL }; static const char *mpeg_audio_l1_bitrate[] = { @@ -244,6 +245,28 @@ const char **v4l2_ctrl_get_menu(u32 id) "320 kbps", NULL }; + static const char *mpeg_audio_ac3_bitrate[] = { + "32 kbps", + "40 kbps", + "48 kbps", + "56 kbps", + "64 kbps", + "80 kbps", + "96 kbps", + "112 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "320 kbps", + "384 kbps", + "448 kbps", + "512 kbps", + "576 kbps", + "640 kbps", + NULL + }; static const char *mpeg_audio_mode[] = { "Stereo", "Joint Stereo", @@ -313,6 +336,8 @@ const char **v4l2_ctrl_get_menu(u32 id) return mpeg_audio_l2_bitrate; case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return mpeg_audio_l3_bitrate; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + return mpeg_audio_ac3_bitrate; case V4L2_CID_MPEG_AUDIO_MODE: return mpeg_audio_mode; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: @@ -364,6 +389,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break; case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: name = "Audio AC-3 Bitrate"; break; case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break; case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break; @@ -409,6 +435,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_MPEG_AUDIO_L1_BITRATE: case V4L2_CID_MPEG_AUDIO_L2_BITRATE: case V4L2_CID_MPEG_AUDIO_L3_BITRATE: + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: case V4L2_CID_MPEG_AUDIO_MODE: case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: case V4L2_CID_MPEG_AUDIO_EMPHASIS: @@ -495,7 +522,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) case V4L2_CID_MPEG_AUDIO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_1, - V4L2_MPEG_AUDIO_ENCODING_AAC, 1, + V4L2_MPEG_AUDIO_ENCODING_AC3, 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return v4l2_ctrl_query_fill(qctrl, @@ -512,6 +539,11 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) V4L2_MPEG_AUDIO_L3_BITRATE_32K, V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1, V4L2_MPEG_AUDIO_L3_BITRATE_192K); + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + return v4l2_ctrl_query_fill(qctrl, + V4L2_MPEG_AUDIO_AC3_BITRATE_32K, + V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K); case V4L2_CID_MPEG_AUDIO_MODE: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_MODE_STEREO, diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 350aba2714fc..9054764f4cde 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -911,6 +911,7 @@ enum v4l2_mpeg_audio_encoding { V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2, V4L2_MPEG_AUDIO_ENCODING_AAC = 3, + V4L2_MPEG_AUDIO_ENCODING_AC3 = 4, }; #define V4L2_CID_MPEG_AUDIO_L1_BITRATE (V4L2_CID_MPEG_BASE+102) enum v4l2_mpeg_audio_l1_bitrate { @@ -989,6 +990,28 @@ enum v4l2_mpeg_audio_crc { V4L2_MPEG_AUDIO_CRC_CRC16 = 1, }; #define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109) +#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+110) +enum v4l2_mpeg_audio_ac3_bitrate { + V4L2_MPEG_AUDIO_AC3_BITRATE_32K = 0, + V4L2_MPEG_AUDIO_AC3_BITRATE_40K = 1, + V4L2_MPEG_AUDIO_AC3_BITRATE_48K = 2, + V4L2_MPEG_AUDIO_AC3_BITRATE_56K = 3, + V4L2_MPEG_AUDIO_AC3_BITRATE_64K = 4, + V4L2_MPEG_AUDIO_AC3_BITRATE_80K = 5, + V4L2_MPEG_AUDIO_AC3_BITRATE_96K = 6, + V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7, + V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8, + V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9, + V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10, + V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11, + V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12, + V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14, + V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15, + V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16, + V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17, + V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18, +}; /* MPEG video */ #define V4L2_CID_MPEG_VIDEO_ENCODING (V4L2_CID_MPEG_BASE+200) -- GitLab From 69028d7096a6092812f0482833f0820593f1cafd Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 07:55:00 -0300 Subject: [PATCH 3752/6244] V4L/DVB (8636): v4l2: add v4l2_ctrl_get_name control support function. Add function that returns the control name. Allows this to be used in places where the normal v4l2_ctrl_query_fill() function cannot be used (e.g. uvc). Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-common.c | 109 ++++++++++++++++-------------- include/media/v4l2-common.h | 1 + 2 files changed, 60 insertions(+), 50 deletions(-) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 0a96cc35738c..da4791de7050 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -362,63 +362,72 @@ const char **v4l2_ctrl_get_menu(u32 id) } EXPORT_SYMBOL(v4l2_ctrl_get_menu); -/* Fill in a struct v4l2_queryctrl */ -int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) +/* Return the control name. */ +const char *v4l2_ctrl_get_name(u32 id) { - const char *name; - - qctrl->flags = 0; - switch (qctrl->id) { + switch (id) { /* USER controls */ - case V4L2_CID_USER_CLASS: name = "User Controls"; break; - case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break; - case V4L2_CID_AUDIO_MUTE: name = "Mute"; break; - case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break; - case V4L2_CID_AUDIO_BASS: name = "Bass"; break; - case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break; - case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break; - case V4L2_CID_BRIGHTNESS: name = "Brightness"; break; - case V4L2_CID_CONTRAST: name = "Contrast"; break; - case V4L2_CID_SATURATION: name = "Saturation"; break; - case V4L2_CID_HUE: name = "Hue"; break; + case V4L2_CID_USER_CLASS: return "User Controls"; + case V4L2_CID_AUDIO_VOLUME: return "Volume"; + case V4L2_CID_AUDIO_MUTE: return "Mute"; + case V4L2_CID_AUDIO_BALANCE: return "Balance"; + case V4L2_CID_AUDIO_BASS: return "Bass"; + case V4L2_CID_AUDIO_TREBLE: return "Treble"; + case V4L2_CID_AUDIO_LOUDNESS: return "Loudness"; + case V4L2_CID_BRIGHTNESS: return "Brightness"; + case V4L2_CID_CONTRAST: return "Contrast"; + case V4L2_CID_SATURATION: return "Saturation"; + case V4L2_CID_HUE: return "Hue"; /* MPEG controls */ - case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break; - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break; - case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding"; break; - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: name = "Audio AC-3 Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break; - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break; - case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break; - case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break; - case V4L2_CID_MPEG_AUDIO_MUTE: name = "Audio Mute"; break; - case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break; - case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break; - case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break; - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break; - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break; - case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break; - case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break; - case V4L2_CID_MPEG_VIDEO_MUTE: name = "Video Mute"; break; - case V4L2_CID_MPEG_VIDEO_MUTE_YUV: name = "Video Mute YUV"; break; - case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break; - case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break; - case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break; - case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break; - case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break; + case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls"; + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency"; + case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding"; + case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate"; + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate"; + case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate"; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; + case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode"; + case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension"; + case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis"; + case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC"; + case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute"; + case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding"; + case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect"; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames"; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size"; + case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure"; + case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown"; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode"; + case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate"; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate"; + case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation"; + case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute"; + case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV"; + case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type"; + case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID"; + case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID"; + case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID"; + case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID"; + case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format"; default: - return -EINVAL; + return NULL; } +} +EXPORT_SYMBOL(v4l2_ctrl_get_name); + +/* Fill in a struct v4l2_queryctrl */ +int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) +{ + const char *name = v4l2_ctrl_get_name(qctrl->id); + + qctrl->flags = 0; + if (name == NULL) + return -EINVAL; + switch (qctrl->id) { case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_LOUDNESS: diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 07d3a9a575d1..8b678e0d46e3 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -76,6 +76,7 @@ int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local); int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, const char **menu_items); +const char *v4l2_ctrl_get_name(u32 id); const char **v4l2_ctrl_get_menu(u32 id); int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def); int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl); -- GitLab From 1e55126666944c83bf98243564e25302f363e2a4 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 08:34:19 -0300 Subject: [PATCH 3753/6244] V4L/DVB (8637): v4l2: add v4l2_ctrl_query_menu_valid_items support function v4l2_ctrl_query_menu_valid_items() makes it easy to handle control menus that have a lot of invalid 'holes'. For example, many MPEG encoders only support a limited subset of audio bitrates. In that case a driver can specify an array listing the set of valid bitrates and pass that to this function. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-common.c | 23 ++++++++++++++++++++++- include/media/v4l2-common.h | 2 ++ 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index da4791de7050..a523af78bdb1 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -643,6 +643,7 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc { int i; + qmenu->reserved = 0; if (menu_items == NULL || (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum))) return -EINVAL; @@ -650,11 +651,31 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc if (menu_items[i] == NULL || menu_items[i][0] == '\0') return -EINVAL; snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]); - qmenu->reserved = 0; return 0; } EXPORT_SYMBOL(v4l2_ctrl_query_menu); +/* Fill in a struct v4l2_querymenu based on the specified array of valid + menu items (terminated by V4L2_CTRL_MENU_IDS_END). + Use this if there are 'holes' in the list of valid menu items. */ +int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids) +{ + const char **menu_items = v4l2_ctrl_get_menu(qmenu->id); + + qmenu->reserved = 0; + if (menu_items == NULL || ids == NULL) + return -EINVAL; + while (*ids != V4L2_CTRL_MENU_IDS_END) { + if (*ids++ == qmenu->index) { + snprintf(qmenu->name, sizeof(qmenu->name), + menu_items[qmenu->index]); + return 0; + } + } + return -EINVAL; +} +EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items); + /* ctrl_classes points to an array of u32 pointers, the last element is a NULL pointer. Each u32 array is a 0-terminated array of control IDs. Each array must be sorted low to high and belong to the same control diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 8b678e0d46e3..0c195ccd45d2 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -82,6 +82,8 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl); int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, const char **menu_items); +#define V4L2_CTRL_MENU_IDS_END (0xffffffff) +int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids); u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id); /* ------------------------------------------------------------------------- */ -- GitLab From e281db5862743dbe1dab7f8fb423e699537036ee Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 12:43:59 -0300 Subject: [PATCH 3754/6244] V4L/DVB (8639): saa6752hs: cleanup and add AC-3 support Cleaned up the saa6752hs i2c driver. Add AC-3 support. Add VIDIOC_CHIP_IDENT support. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa6752hs.c | 265 +++++++++++------- drivers/media/video/saa7134/saa7134-empress.c | 22 +- drivers/media/video/v4l2-common.c | 6 +- include/media/v4l2-chip-ident.h | 4 + 4 files changed, 194 insertions(+), 103 deletions(-) diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 707be175509d..ca725a74ce6a 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -1,3 +1,27 @@ + /* + saa6752hs - i2c-driver for the saa6752hs by Philips + + Copyright (C) 2004 Andrew de Quincey + + AC-3 support: + + Copyright (C) 2008 Hans Verkuil + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License vs published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mvss Ave, Cambridge, MA 02139, USA. + */ + #include #include #include @@ -10,6 +34,8 @@ #include #include #include +#include +#include #include #include @@ -27,9 +53,6 @@ MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder"); MODULE_AUTHOR("Andrew de Quincey"); MODULE_LICENSE("GPL"); -static struct i2c_driver driver; -static struct i2c_client client_template; - enum saa6752hs_videoformat { SAA6752HS_VF_D1 = 0, /* standard D1 video format: 720x576 */ SAA6752HS_VF_2_3_D1 = 1,/* 2/3D1 video format: 480x576 */ @@ -46,7 +69,9 @@ struct saa6752hs_mpeg_params { __u16 ts_pid_pcr; /* audio */ - enum v4l2_mpeg_audio_l2_bitrate au_l2_bitrate; + enum v4l2_mpeg_audio_encoding au_encoding; + enum v4l2_mpeg_audio_l2_bitrate au_l2_bitrate; + enum v4l2_mpeg_audio_ac3_bitrate au_ac3_bitrate; /* video */ enum v4l2_mpeg_video_aspect vi_aspect; @@ -70,7 +95,9 @@ static const struct v4l2_format v4l2_format_table[] = }; struct saa6752hs_state { - struct i2c_client client; + int chip; + u32 revision; + int has_ac3; struct saa6752hs_mpeg_params params; enum saa6752hs_videoformat video_format; v4l2_std_id standard; @@ -157,7 +184,9 @@ static struct saa6752hs_mpeg_params param_defaults = .vi_bitrate_peak = 6000, .vi_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, + .au_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2, .au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K, + .au_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_384K, }; /* ---------------------------------------------------------------------- */ @@ -230,8 +259,9 @@ static int saa6752hs_chip_command(struct i2c_client* client, static int saa6752hs_set_bitrate(struct i2c_client* client, - struct saa6752hs_mpeg_params* params) + struct saa6752hs_state *h) { + struct saa6752hs_mpeg_params *params = &h->params; u8 buf[3]; int tot_bitrate; @@ -263,11 +293,22 @@ static int saa6752hs_set_bitrate(struct i2c_client* client, tot_bitrate = params->vi_bitrate; } + /* set the audio encoding */ + buf[0] = 0x93; + if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) + buf[1] = 1; + else + buf[1] = 0; + i2c_master_send(client, buf, 2); + /* set the audio bitrate */ buf[0] = 0x94; - buf[1] = (V4L2_MPEG_AUDIO_L2_BITRATE_256K == params->au_l2_bitrate) ? 0 : 1; + if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) + buf[1] = V4L2_MPEG_AUDIO_AC3_BITRATE_384K == params->au_ac3_bitrate; + else + buf[1] = V4L2_MPEG_AUDIO_L2_BITRATE_384K == params->au_l2_bitrate; + tot_bitrate += buf[1] ? 384 : 256; i2c_master_send(client, buf, 2); - tot_bitrate += (V4L2_MPEG_AUDIO_L2_BITRATE_256K == params->au_l2_bitrate) ? 256 : 384; /* Note: the total max bitrate is determined by adding the video and audio bitrates together and also adding an extra 768kbit/s to stay on the @@ -332,7 +373,7 @@ static void saa6752hs_set_subsampling(struct i2c_client* client, } -static int handle_ctrl(struct saa6752hs_mpeg_params *params, +static int handle_ctrl(int has_ac3, struct saa6752hs_mpeg_params *params, struct v4l2_ext_control *ctrl, unsigned int cmd) { int old = 0, new; @@ -379,8 +420,9 @@ static int handle_ctrl(struct saa6752hs_mpeg_params *params, params->ts_pid_pcr = new; break; case V4L2_CID_MPEG_AUDIO_ENCODING: - old = V4L2_MPEG_AUDIO_ENCODING_LAYER_2; - if (set && new != old) + old = params->au_encoding; + if (set && new != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 && + (!has_ac3 || new != V4L2_MPEG_AUDIO_ENCODING_AC3)) return -ERANGE; new = old; break; @@ -395,6 +437,19 @@ static int handle_ctrl(struct saa6752hs_mpeg_params *params, new = V4L2_MPEG_AUDIO_L2_BITRATE_384K; params->au_l2_bitrate = new; break; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + if (!has_ac3) + return -EINVAL; + old = params->au_ac3_bitrate; + if (set && new != V4L2_MPEG_AUDIO_AC3_BITRATE_256K && + new != V4L2_MPEG_AUDIO_AC3_BITRATE_384K) + return -ERANGE; + if (new <= V4L2_MPEG_AUDIO_AC3_BITRATE_256K) + new = V4L2_MPEG_AUDIO_AC3_BITRATE_256K; + else + new = V4L2_MPEG_AUDIO_AC3_BITRATE_384K; + params->au_ac3_bitrate = new; + break; case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: old = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000; if (set && new != old) @@ -448,17 +503,19 @@ static int handle_ctrl(struct saa6752hs_mpeg_params *params, return 0; } -static int saa6752hs_qctrl(struct saa6752hs_mpeg_params *params, +static int saa6752hs_qctrl(struct saa6752hs_state *h, struct v4l2_queryctrl *qctrl) { + struct saa6752hs_mpeg_params *params = &h->params; int err; switch (qctrl->id) { case V4L2_CID_MPEG_AUDIO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_2, - V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1, - V4L2_MPEG_AUDIO_ENCODING_LAYER_2); + h->has_ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : + V4L2_MPEG_AUDIO_ENCODING_LAYER_2, + 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return v4l2_ctrl_query_fill(qctrl, @@ -466,6 +523,14 @@ static int saa6752hs_qctrl(struct saa6752hs_mpeg_params *params, V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, V4L2_MPEG_AUDIO_L2_BITRATE_256K); + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + if (!h->has_ac3) + return -EINVAL; + return v4l2_ctrl_query_fill(qctrl, + V4L2_MPEG_AUDIO_AC3_BITRATE_256K, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K, 1, + V4L2_MPEG_AUDIO_AC3_BITRATE_256K); + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, @@ -512,38 +577,50 @@ static int saa6752hs_qctrl(struct saa6752hs_mpeg_params *params, return -EINVAL; } -static int saa6752hs_qmenu(struct saa6752hs_mpeg_params *params, +static int saa6752hs_qmenu(struct saa6752hs_state *h, struct v4l2_querymenu *qmenu) { - static const char *mpeg_audio_l2_bitrate[] = { - "", - "", - "", - "", - "", - "", - "", - "", - "", - "", - "", - "256 kbps", - "", - "384 kbps", - NULL + static const u32 mpeg_audio_encoding[] = { + V4L2_MPEG_AUDIO_ENCODING_LAYER_2, + V4L2_CTRL_MENU_IDS_END + }; + static const u32 mpeg_audio_ac3_encoding[] = { + V4L2_MPEG_AUDIO_ENCODING_LAYER_2, + V4L2_MPEG_AUDIO_ENCODING_AC3, + V4L2_CTRL_MENU_IDS_END + }; + static u32 mpeg_audio_l2_bitrate[] = { + V4L2_MPEG_AUDIO_L2_BITRATE_256K, + V4L2_MPEG_AUDIO_L2_BITRATE_384K, + V4L2_CTRL_MENU_IDS_END + }; + static u32 mpeg_audio_ac3_bitrate[] = { + V4L2_MPEG_AUDIO_AC3_BITRATE_256K, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K, + V4L2_CTRL_MENU_IDS_END }; struct v4l2_queryctrl qctrl; int err; qctrl.id = qmenu->id; - err = saa6752hs_qctrl(params, &qctrl); + err = saa6752hs_qctrl(h, &qctrl); if (err) return err; - if (qmenu->id == V4L2_CID_MPEG_AUDIO_L2_BITRATE) - return v4l2_ctrl_query_menu(qmenu, &qctrl, + switch (qmenu->id) { + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: + return v4l2_ctrl_query_menu_valid_items(qmenu, mpeg_audio_l2_bitrate); - return v4l2_ctrl_query_menu(qmenu, &qctrl, - v4l2_ctrl_get_menu(qmenu->id)); + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + if (!h->has_ac3) + return -EINVAL; + return v4l2_ctrl_query_menu_valid_items(qmenu, + mpeg_audio_ac3_bitrate); + case V4L2_CID_MPEG_AUDIO_ENCODING: + return v4l2_ctrl_query_menu_valid_items(qmenu, + h->has_ac3 ? mpeg_audio_ac3_encoding : + mpeg_audio_encoding); + } + return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL); } static int saa6752hs_init(struct i2c_client* client) @@ -569,7 +646,7 @@ static int saa6752hs_init(struct i2c_client* client) i2c_master_send(client, buf, 2); /* set bitrate */ - saa6752hs_set_bitrate(client, &h->params); + saa6752hs_set_bitrate(client, h); /* Set GOP structure {3, 13} */ buf[0] = 0x72; @@ -688,45 +765,6 @@ static int saa6752hs_init(struct i2c_client* client) return 0; } -static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind) -{ - struct saa6752hs_state *h; - - - if (NULL == (h = kzalloc(sizeof(*h), GFP_KERNEL))) - return -ENOMEM; - h->client = client_template; - h->params = param_defaults; - h->client.adapter = adap; - h->client.addr = addr; - - /* Assume 625 input lines */ - h->standard = 0; - - i2c_set_clientdata(&h->client, h); - i2c_attach_client(&h->client); - - v4l_info(&h->client,"saa6752hs: chip found @ 0x%x\n", addr<<1); - return 0; -} - -static int saa6752hs_probe(struct i2c_adapter *adap) -{ - if (adap->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adap, &addr_data, saa6752hs_attach); - return 0; -} - -static int saa6752hs_detach(struct i2c_client *client) -{ - struct saa6752hs_state *h; - - h = i2c_get_clientdata(client); - i2c_detach_client(client); - kfree(h); - return 0; -} - static int saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) { @@ -752,7 +790,8 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) return -EINVAL; params = h->params; for (i = 0; i < ctrls->count; i++) { - if ((err = handle_ctrl(¶ms, ctrls->controls + i, cmd))) { + err = handle_ctrl(h->has_ac3, ¶ms, ctrls->controls + i, cmd); + if (err) { ctrls->error_idx = i; return err; } @@ -760,9 +799,9 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) h->params = params; break; case VIDIOC_QUERYCTRL: - return saa6752hs_qctrl(&h->params, arg); + return saa6752hs_qctrl(h, arg); case VIDIOC_QUERYMENU: - return saa6752hs_qmenu(&h->params, arg); + return saa6752hs_qmenu(h, arg); case VIDIOC_G_FMT: { struct v4l2_format *f = arg; @@ -785,6 +824,11 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) case VIDIOC_S_STD: h->standard = *((v4l2_std_id *) arg); break; + + case VIDIOC_G_CHIP_IDENT: + return v4l2_chip_ident_i2c_client(client, + arg, h->chip, h->revision); + default: /* nothing */ break; @@ -793,36 +837,55 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) return err; } -/* ----------------------------------------------------------------------- */ +static int saa6752hs_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct saa6752hs_state *h = kzalloc(sizeof(*h), GFP_KERNEL); + u8 addr = 0x13; + u8 data[12]; -static struct i2c_driver driver = { - .driver = { - .name = "saa6752hs", - }, - .id = I2C_DRIVERID_SAA6752HS, - .attach_adapter = saa6752hs_probe, - .detach_client = saa6752hs_detach, - .command = saa6752hs_command, -}; + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + if (h == NULL) + return -ENOMEM; -static struct i2c_client client_template = -{ - .name = "saa6752hs", - .driver = &driver, -}; + i2c_master_send(client, &addr, 1); + i2c_master_recv(client, data, sizeof(data)); + h->chip = V4L2_IDENT_SAA6752HS; + h->revision = (data[8] << 8) | data[9]; + h->has_ac3 = 0; + if (h->revision == 0x0206) { + h->chip = V4L2_IDENT_SAA6752HS_AC3; + h->has_ac3 = 1; + v4l_info(client, "support AC-3\n"); + } + h->params = param_defaults; + h->standard = 0; /* Assume 625 input lines */ -static int __init saa6752hs_init_module(void) -{ - return i2c_add_driver(&driver); + i2c_set_clientdata(client, h); + return 0; } -static void __exit saa6752hs_cleanup_module(void) +static int saa6752hs_remove(struct i2c_client *client) { - i2c_del_driver(&driver); + kfree(i2c_get_clientdata(client)); + return 0; } -module_init(saa6752hs_init_module); -module_exit(saa6752hs_cleanup_module); +static const struct i2c_device_id saa6752hs_id[] = { + { "saa6752hs", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, saa6752hs_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa6752hs", + .driverid = I2C_DRIVERID_SAA6752HS, + .command = saa6752hs_command, + .probe = saa6752hs_probe, + .remove = saa6752hs_remove, + .id_table = saa6752hs_id, +}; /* * Overrides for Emacs so that we follow Linus's tabbing style. diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 6f423d116fb4..f5a186a13db2 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -29,6 +29,7 @@ #include #include +#include /* ------------------------------------------------------------------ */ @@ -403,6 +404,25 @@ static int empress_querymenu(struct file *file, void *priv, return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c); } +static int empress_g_chip_ident(struct file *file, void *fh, + struct v4l2_chip_ident *chip) +{ + struct saa7134_dev *dev = file->private_data; + + chip->ident = V4L2_IDENT_NONE; + chip->revision = 0; + if (dev->mpeg_i2c_client == NULL) + return -EINVAL; + if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER && + chip->match_chip == I2C_DRIVERID_SAA6752HS) + return saa7134_i2c_call_saa6752(dev, VIDIOC_G_CHIP_IDENT, chip); + if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR && + chip->match_chip == dev->mpeg_i2c_client->addr) + return saa7134_i2c_call_saa6752(dev, VIDIOC_G_CHIP_IDENT, chip); + return -EINVAL; +} + + static const struct file_operations ts_fops = { .owner = THIS_MODULE, @@ -431,11 +451,11 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = { .vidioc_enum_input = empress_enum_input, .vidioc_g_input = empress_g_input, .vidioc_s_input = empress_s_input, - .vidioc_queryctrl = empress_queryctrl, .vidioc_querymenu = empress_querymenu, .vidioc_g_ctrl = empress_g_ctrl, .vidioc_s_ctrl = empress_s_ctrl, + .vidioc_g_chip_ident = empress_g_chip_ident, }; /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index a523af78bdb1..0c511839f7ee 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -637,13 +637,17 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and - the menu. The qctrl pointer may be NULL, in which case it is ignored. */ + the menu. The qctrl pointer may be NULL, in which case it is ignored. + If menu_items is NULL, then the menu items are retrieved using + v4l2_ctrl_get_menu. */ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, const char **menu_items) { int i; qmenu->reserved = 0; + if (menu_items == NULL) + menu_items = v4l2_ctrl_get_menu(qmenu->id); if (menu_items == NULL || (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum))) return -EINVAL; diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index 41b509babf3f..be782d5fcfa8 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -72,6 +72,10 @@ enum { /* module cs5345: just ident 5345 */ V4L2_IDENT_CS5345 = 5345, + /* module saa6752hs: reserved range 6750-6759 */ + V4L2_IDENT_SAA6752HS = 6752, + V4L2_IDENT_SAA6752HS_AC3 = 6753, + /* module wm8739: just ident 8739 */ V4L2_IDENT_WM8739 = 8739, -- GitLab From 3eea543b7282bea38970f20840acff9e230d0c2a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 13:27:16 -0300 Subject: [PATCH 3755/6244] V4L/DVB (8640): saa6752hs: add PMT table for AC3 The PMT table for AC3 audio is different. Thanks to Dmitry Belimov for providing the table data. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa6752hs.c | 63 ++++++++++++++++++++----- 1 file changed, 50 insertions(+), 13 deletions(-) diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index ca725a74ce6a..28499e591925 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -172,6 +172,39 @@ static u8 PMT[] = { 0x00, 0x00, 0x00, 0x00 /* CRC32 */ }; +static u8 PMT_AC3[] = { + 0xc2, /* i2c register */ + 0x01, /* table number for encoder(1) */ + 0x47, /* sync */ + + 0x40, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0) */ + 0x10, /* PMT PID (0x0010) */ + 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ + + 0x00, /* PSI pointer to start of table */ + + 0x02, /* TID (2) */ + 0xb0, 0x1a, /* section_syntax_indicator(1), section_length(26) */ + + 0x00, 0x01, /* program_number(1) */ + + 0xc1, /* version_number(0), current_next_indicator(1) */ + + 0x00, 0x00, /* section_number(0), last_section_number(0) */ + + 0xe1, 0x04, /* PCR_PID (0x0104) */ + + 0xf0, 0x00, /* program_info_length(0) */ + + 0x02, 0xe1, 0x00, 0xf0, 0x00, /* video stream type(2), pid */ + 0x06, 0xe1, 0x03, 0xf0, 0x03, /* audio stream type(6), pid */ + 0x6a, /* AC3 */ + 0x01, /* Descriptor_length(1) */ + 0x00, /* component_type_flag(0), bsid_flag(0), mainid_flag(0), asvc_flag(0), reserved flags(0) */ + + 0xED, 0xDE, 0x2D, 0xF3 /* CRC32 BE */ +}; + static struct saa6752hs_mpeg_params param_defaults = { .ts_pid_pmt = 16, @@ -186,7 +219,7 @@ static struct saa6752hs_mpeg_params param_defaults = .au_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2, .au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K, - .au_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_384K, + .au_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_256K, }; /* ---------------------------------------------------------------------- */ @@ -295,10 +328,7 @@ static int saa6752hs_set_bitrate(struct i2c_client* client, /* set the audio encoding */ buf[0] = 0x93; - if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) - buf[1] = 1; - else - buf[1] = 0; + buf[1] = (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3); i2c_master_send(client, buf, 2); /* set the audio bitrate */ @@ -627,6 +657,7 @@ static int saa6752hs_init(struct i2c_client* client) { unsigned char buf[9], buf2[4]; struct saa6752hs_state *h; + unsigned size; u32 crc; unsigned char localPAT[256]; unsigned char localPMT[256]; @@ -685,7 +716,13 @@ static int saa6752hs_init(struct i2c_client* client) localPAT[sizeof(PAT) - 1] = crc & 0xFF; /* compute PMT */ - memcpy(localPMT, PMT, sizeof(PMT)); + if (h->params.au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) { + size = sizeof(PMT_AC3); + memcpy(localPMT, PMT_AC3, size); + } else { + size = sizeof(PMT); + memcpy(localPMT, PMT, size); + } localPMT[3] = 0x40 | ((h->params.ts_pid_pmt >> 8) & 0x0f); localPMT[4] = h->params.ts_pid_pmt & 0xff; localPMT[15] = 0xE0 | ((h->params.ts_pid_pcr >> 8) & 0x0F); @@ -694,11 +731,11 @@ static int saa6752hs_init(struct i2c_client* client) localPMT[21] = h->params.ts_pid_video & 0xFF; localPMT[25] = 0xE0 | ((h->params.ts_pid_audio >> 8) & 0x0F); localPMT[26] = h->params.ts_pid_audio & 0xFF; - crc = crc32_be(~0, &localPMT[7], sizeof(PMT) - 7 - 4); - localPMT[sizeof(PMT) - 4] = (crc >> 24) & 0xFF; - localPMT[sizeof(PMT) - 3] = (crc >> 16) & 0xFF; - localPMT[sizeof(PMT) - 2] = (crc >> 8) & 0xFF; - localPMT[sizeof(PMT) - 1] = crc & 0xFF; + crc = crc32_be(~0, &localPMT[7], size - 7 - 4); + localPMT[size - 4] = (crc >> 24) & 0xFF; + localPMT[size - 3] = (crc >> 16) & 0xFF; + localPMT[size - 2] = (crc >> 8) & 0xFF; + localPMT[size - 1] = crc & 0xFF; /* Set Audio PID */ buf[0] = 0xC1; @@ -719,8 +756,8 @@ static int saa6752hs_init(struct i2c_client* client) i2c_master_send(client,buf,3); /* Send SI tables */ - i2c_master_send(client,localPAT,sizeof(PAT)); - i2c_master_send(client,localPMT,sizeof(PMT)); + i2c_master_send(client, localPAT, sizeof(PAT)); + i2c_master_send(client, localPMT, size); /* mute then unmute audio. This removes buzzing artefacts */ buf[0] = 0xa4; -- GitLab From ad4eada70b2a145aabb1814fdc080480f796decb Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 8 Aug 2008 15:47:07 -0300 Subject: [PATCH 3756/6244] V4L/DVB (8641): arv: fix compilation errors/warnings - add PCI dependency for btcx - fix compile errors (doesn't like ';' at the end of a #if 0) Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 1f6c9ee3afde..367666db5bfc 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -34,6 +34,7 @@ config VIDEOBUF_DVB select VIDEOBUF_GEN config VIDEO_BTCX + depends on PCI tristate config VIDEO_IR -- GitLab From 0fbbff33fcab605b1a5c53a20c302aad24b082ef Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 4 Aug 2008 21:36:49 -0300 Subject: [PATCH 3757/6244] V4L/DVB (8642): cx23885: Factor out common cx23885 tuner callback Tuners currently hook different things to the private pointer in their callback function. Longer term we should make that private pointer consistent, but for now separate out the guts of the cx23885 tuner callback so we can reuse it. Signed-off-by: Steven Toth Signed-off-by: Anton Blanchard Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-cards.c | 20 ++++++++++++-------- drivers/media/video/cx23885/cx23885-dvb.c | 4 ++-- drivers/media/video/cx23885/cx23885.h | 2 +- 3 files changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index c36d3f632104..e5e688e5e4b0 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -319,13 +319,9 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data) dev->name, tv.model); } -/* Tuner callback function for cx23885 boards. Currently only needed - * for HVR1500Q, which has an xc5000 tuner. - */ -int cx23885_tuner_callback(void *priv, int command, int arg) +static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, + int command, int arg) { - struct cx23885_i2c *bus = priv; - struct cx23885_dev *dev = bus->dev; u32 bitmask = 0; if (command != 0) { @@ -345,9 +341,9 @@ int cx23885_tuner_callback(void *priv, int command, int arg) /* Two identical tuners on two different i2c buses, * we need to reset the correct gpio. */ - if (bus->nr == 0) + if (port == 0) bitmask = 0x01; - else if (bus->nr == 1) + else if (port == 1) bitmask = 0x04; } break; @@ -363,6 +359,14 @@ int cx23885_tuner_callback(void *priv, int command, int arg) return 0; } +int cx23885_xc5000_tuner_callback(void *priv, int command, int arg) +{ + struct cx23885_i2c *bus = priv; + struct cx23885_dev *dev = bus->dev; + + return cx23885_tuner_callback(dev, bus->nr, command, arg); +} + void cx23885_gpio_setup(struct cx23885_dev *dev) { switch(dev->board) { diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index 291b9d008da8..bfe49df3f6dd 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -188,13 +188,13 @@ static struct s5h1411_config dvico_s5h1411_config = { static struct xc5000_config hauppauge_hvr1500q_tunerconfig = { .i2c_address = 0x61, .if_khz = 5380, - .tuner_callback = cx23885_tuner_callback + .tuner_callback = cx23885_xc5000_tuner_callback, }; static struct xc5000_config dvico_xc5000_tunerconfig = { .i2c_address = 0x64, .if_khz = 5380, - .tuner_callback = cx23885_tuner_callback + .tuner_callback = cx23885_xc5000_tuner_callback, }; static struct tda829x_config tda829x_no_probe = { diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index e23d97c071e0..c3478b24012a 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -409,7 +409,7 @@ extern const unsigned int cx23885_bcount; extern struct cx23885_subid cx23885_subids[]; extern const unsigned int cx23885_idcount; -extern int cx23885_tuner_callback(void *priv, int command, int arg); +extern int cx23885_xc5000_tuner_callback(void *priv, int command, int arg); extern void cx23885_card_list(struct cx23885_dev *dev); extern int cx23885_ir_init(struct cx23885_dev *dev); extern void cx23885_gpio_setup(struct cx23885_dev *dev); -- GitLab From 90a71b1c1ab003dd4524afca44c2ad2519f4420c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 4 Aug 2008 21:38:46 -0300 Subject: [PATCH 3758/6244] V4L/DVB (8643): Switch Hauppauge HVR1400 and HVR1500 to common cx23885 tuner callback The Hauppauge HVR1400 and HVR1500 can now use the common cx23885 tuner callback. Signed-off-by: Steven Toth Signed-off-by: Anton Blanchard Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-cards.c | 16 +++++++++- drivers/media/video/cx23885/cx23885-dvb.c | 34 ++------------------- drivers/media/video/cx23885/cx23885.h | 1 + 3 files changed, 18 insertions(+), 33 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index e5e688e5e4b0..93ad7f8ce203 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -26,6 +26,7 @@ #include #include "cx23885.h" +#include "tuner-xc2028.h" /* ------------------------------------------------------------------ */ /* board config info */ @@ -331,8 +332,10 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, } switch(dev->board) { + case CX23885_BOARD_HAUPPAUGE_HVR1400: + case CX23885_BOARD_HAUPPAUGE_HVR1500: case CX23885_BOARD_HAUPPAUGE_HVR1500Q: - /* Tuner Reset Command from xc5000 */ + /* Tuner Reset Command */ if (command == 0) bitmask = 0x04; break; @@ -367,6 +370,17 @@ int cx23885_xc5000_tuner_callback(void *priv, int command, int arg) return cx23885_tuner_callback(dev, bus->nr, command, arg); } +int cx23885_xc3028_tuner_callback(void *priv, int command, int arg) +{ + struct cx23885_tsport *port = priv; + struct cx23885_dev *dev = port->dev; + + if (command == XC2028_RESET_CLK) + return 0; + + return cx23885_tuner_callback(dev, port->nr, command, arg); +} + void cx23885_gpio_setup(struct cx23885_dev *dev) { switch(dev->board) { diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index bfe49df3f6dd..45670051e7d5 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -303,36 +303,6 @@ static struct dib7000p_config hauppauge_hvr1400_dib7000_config = { .output_mode = OUTMODE_MPEG2_SERIAL, }; -static int cx23885_hvr1500_xc3028_callback(void *ptr, int command, int arg) -{ - struct cx23885_tsport *port = ptr; - struct cx23885_dev *dev = port->dev; - - switch (command) { - case XC2028_TUNER_RESET: - /* Send the tuner in then out of reset */ - /* GPIO-2 xc3028 tuner */ - dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __func__, arg); - - cx_set(GP0_IO, 0x00040000); - cx_clear(GP0_IO, 0x00000004); - msleep(5); - - cx_set(GP0_IO, 0x00040004); - msleep(5); - break; - case XC2028_RESET_CLK: - dprintk(1, "%s: XC2028_RESET_CLK %d\n", __func__, arg); - break; - default: - dprintk(1, "%s: unknown command %d, arg %d\n", __func__, - command, arg); - return -EINVAL; - } - - return 0; -} - static int dvb_register(struct cx23885_tsport *port) { struct cx23885_dev *dev = port->dev; @@ -426,7 +396,7 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &i2c_bus->i2c_adap, .i2c_addr = 0x61, - .callback = cx23885_hvr1500_xc3028_callback, + .callback = cx23885_xc3028_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = "xc3028-v27.fw", @@ -465,7 +435,7 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &dev->i2c_bus[1].i2c_adap, .i2c_addr = 0x64, - .callback = cx23885_hvr1500_xc3028_callback, + .callback = cx23885_xc3028_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = "xc3028L-v36.fw", diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index c3478b24012a..64827fb669a2 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -410,6 +410,7 @@ extern struct cx23885_subid cx23885_subids[]; extern const unsigned int cx23885_idcount; extern int cx23885_xc5000_tuner_callback(void *priv, int command, int arg); +extern int cx23885_xc3028_tuner_callback(void *priv, int command, int arg); extern void cx23885_card_list(struct cx23885_dev *dev); extern int cx23885_ir_init(struct cx23885_dev *dev); extern void cx23885_gpio_setup(struct cx23885_dev *dev); -- GitLab From aef2d186e381816733fa15d67ad63bd99254cb9e Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 4 Aug 2008 21:39:53 -0300 Subject: [PATCH 3759/6244] V4L/DVB (8644): Add support for DViCO FusionHDTV DVB-T Dual Express Add support for the DViCO FusionHDTV DVB-T Dual Express card, based on work by Chris Pascoe and Stephen Backway. Signed-off-by: Steven Toth Signed-off-by: Anton Blanchard Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx23885 | 1 + drivers/media/video/cx23885/cx23885-cards.c | 24 +++++++++++++++ drivers/media/video/cx23885/cx23885-dvb.c | 34 +++++++++++++++++++++ drivers/media/video/cx23885/cx23885.h | 1 + 4 files changed, 60 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.cx23885 b/Documentation/video4linux/CARDLIST.cx23885 index f0e613ba55b8..bccafd357853 100644 --- a/Documentation/video4linux/CARDLIST.cx23885 +++ b/Documentation/video4linux/CARDLIST.cx23885 @@ -9,3 +9,4 @@ 8 -> Hauppauge WinTV-HVR1700 [0070:8101] 9 -> Hauppauge WinTV-HVR1400 [0070:8010] 10 -> DViCO FusionHDTV7 Dual Express [18ac:d618] + 11 -> DViCO FusionHDTV DVB-T Dual Express [18ac:db78] diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 93ad7f8ce203..7caa2465e7fb 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -149,6 +149,11 @@ struct cx23885_board cx23885_boards[] = { .portb = CX23885_MPEG_DVB, .portc = CX23885_MPEG_DVB, }, + [CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP] = { + .name = "DViCO FusionHDTV DVB-T Dual Express", + .portb = CX23885_MPEG_DVB, + .portc = CX23885_MPEG_DVB, + }, }; const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards); @@ -220,6 +225,10 @@ struct cx23885_subid cx23885_subids[] = { .subvendor = 0x18ac, .subdevice = 0xd618, .card = CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP, + },{ + .subvendor = 0x18ac, + .subdevice = 0xdb78, + .card = CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP, }, }; const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids); @@ -340,6 +349,7 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, bitmask = 0x04; break; case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP: + case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: if (command == 0) { /* Two identical tuners on two different i2c buses, @@ -476,6 +486,19 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) /* GPIO-2 xc5000 tuner reset i2c bus 1 */ /* GPIO-3 s5h1409 demod reset i2c bus 0 */ + /* Put the parts into reset and back */ + cx_set(GP0_IO, 0x000f0000); + mdelay(20); + cx_clear(GP0_IO, 0x0000000f); + mdelay(20); + cx_set(GP0_IO, 0x000f000f); + break; + case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: + /* GPIO-0 portb xc3028 reset */ + /* GPIO-1 portb zl10353 reset */ + /* GPIO-2 portc xc3028 reset */ + /* GPIO-3 portc zl10353 reset */ + /* Put the parts into reset and back */ cx_set(GP0_IO, 0x000f0000); mdelay(20); @@ -534,6 +557,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) switch (dev->board) { case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP: + case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: ts2->gen_ctrl_val = 0xc; /* Serial bus + punctured clock */ ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */ ts2->src_sel_val = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO; diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index 45670051e7d5..dbbbf5b0d2e1 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -42,6 +42,7 @@ #include "tuner-simple.h" #include "dib7000p.h" #include "dibx000_common.h" +#include "zl10353.h" static unsigned int debug; @@ -303,6 +304,12 @@ static struct dib7000p_config hauppauge_hvr1400_dib7000_config = { .output_mode = OUTMODE_MPEG2_SERIAL, }; +static struct zl10353_config dvico_fusionhdtv_xc3028 = { + .demod_address = 0x0f, + .if2 = 45600, + .no_tuner = 1, +}; + static int dvb_register(struct cx23885_tsport *port) { struct cx23885_dev *dev = port->dev; @@ -465,6 +472,33 @@ static int dvb_register(struct cx23885_tsport *port) &i2c_bus->i2c_adap, &dvico_xc5000_tunerconfig, i2c_bus); break; + case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: { + i2c_bus = &dev->i2c_bus[port->nr - 1]; + + port->dvb.frontend = dvb_attach(zl10353_attach, + &dvico_fusionhdtv_xc3028, + &i2c_bus->i2c_adap); + if (port->dvb.frontend != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &i2c_bus->i2c_adap, + .i2c_addr = 0x61, + .video_dev = port, + .callback = cx23885_xc3028_tuner_callback, + }; + static struct xc2028_ctrl ctl = { + .fname = "xc3028-v27.fw", + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + }; + + fe = dvb_attach(xc2028_attach, port->dvb.frontend, + &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctl); + } + break; + } default: printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n", dev->name); diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 64827fb669a2..08b4c1390e16 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -64,6 +64,7 @@ #define CX23885_BOARD_HAUPPAUGE_HVR1700 8 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10 +#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ #define CX23885_NORMS (\ -- GitLab From 12886871ae7a6f4e2b1ea371f6604d8239dda724 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 4 Aug 2008 21:41:06 -0300 Subject: [PATCH 3760/6244] V4L/DVB (8645): Support IR remote on FusionHDTV DVB-T Dual Express From Chris Pascoe Support IR remote on FusionHDTV DVB-T Dual Express Signed-off-by: Steven Toth Signed-off-by: Anton Blanchard Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-cards.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 7caa2465e7fb..46d70262107b 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -520,6 +520,9 @@ int cx23885_ir_init(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1400: /* FIXME: Implement me */ break; + case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: + request_module("ir-kbd-i2c"); + break; } return 0; -- GitLab From 89ce2216e338f62c411bea12df37a2f54f2ce13a Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 4 Aug 2008 22:18:19 -0300 Subject: [PATCH 3761/6244] V4L/DVB (8646): cx23885: Convert framework to use a single tuner callback function. Code reduction. Tuner callback now assumes that tsport is passed as the void arg. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-cards.c | 31 ++++++--------------- drivers/media/video/cx23885/cx23885-dvb.c | 16 ++++++----- drivers/media/video/cx23885/cx23885.h | 3 +- 3 files changed, 18 insertions(+), 32 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 46d70262107b..0daffc3dbec0 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -329,11 +329,15 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data) dev->name, tv.model); } -static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, - int command, int arg) +int cx23885_tuner_callback(void *priv, int command, int arg) { + struct cx23885_tsport *port = priv; + struct cx23885_dev *dev = port->dev; u32 bitmask = 0; + if (command == XC2028_RESET_CLK) + return 0; + if (command != 0) { printk(KERN_ERR "%s(): Unknown command 0x%x.\n", __func__, command); @@ -354,9 +358,9 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, /* Two identical tuners on two different i2c buses, * we need to reset the correct gpio. */ - if (port == 0) + if (port->nr == 0) bitmask = 0x01; - else if (port == 1) + else if (port->nr == 1) bitmask = 0x04; } break; @@ -372,25 +376,6 @@ static int cx23885_tuner_callback(struct cx23885_dev *dev, int port, return 0; } -int cx23885_xc5000_tuner_callback(void *priv, int command, int arg) -{ - struct cx23885_i2c *bus = priv; - struct cx23885_dev *dev = bus->dev; - - return cx23885_tuner_callback(dev, bus->nr, command, arg); -} - -int cx23885_xc3028_tuner_callback(void *priv, int command, int arg) -{ - struct cx23885_tsport *port = priv; - struct cx23885_dev *dev = port->dev; - - if (command == XC2028_RESET_CLK) - return 0; - - return cx23885_tuner_callback(dev, port->nr, command, arg); -} - void cx23885_gpio_setup(struct cx23885_dev *dev) { switch(dev->board) { diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index dbbbf5b0d2e1..f8564bb0d428 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -189,13 +189,13 @@ static struct s5h1411_config dvico_s5h1411_config = { static struct xc5000_config hauppauge_hvr1500q_tunerconfig = { .i2c_address = 0x61, .if_khz = 5380, - .tuner_callback = cx23885_xc5000_tuner_callback, + .tuner_callback = cx23885_tuner_callback, }; static struct xc5000_config dvico_xc5000_tunerconfig = { .i2c_address = 0x64, .if_khz = 5380, - .tuner_callback = cx23885_xc5000_tuner_callback, + .tuner_callback = cx23885_tuner_callback, }; static struct tda829x_config tda829x_no_probe = { @@ -391,7 +391,7 @@ static int dvb_register(struct cx23885_tsport *port) if (port->dvb.frontend != NULL) dvb_attach(xc5000_attach, port->dvb.frontend, &i2c_bus->i2c_adap, - &hauppauge_hvr1500q_tunerconfig, i2c_bus); + &hauppauge_hvr1500q_tunerconfig, port); break; case CX23885_BOARD_HAUPPAUGE_HVR1500: i2c_bus = &dev->i2c_bus[1]; @@ -403,7 +403,8 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &i2c_bus->i2c_adap, .i2c_addr = 0x61, - .callback = cx23885_xc3028_tuner_callback, + .video_dev = port, + .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = "xc3028-v27.fw", @@ -442,7 +443,8 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &dev->i2c_bus[1].i2c_adap, .i2c_addr = 0x64, - .callback = cx23885_xc3028_tuner_callback, + .video_dev = port, + .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = "xc3028L-v36.fw", @@ -470,7 +472,7 @@ static int dvb_register(struct cx23885_tsport *port) if (port->dvb.frontend != NULL) dvb_attach(xc5000_attach, port->dvb.frontend, &i2c_bus->i2c_adap, - &dvico_xc5000_tunerconfig, i2c_bus); + &dvico_xc5000_tunerconfig, port); break; case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: { i2c_bus = &dev->i2c_bus[port->nr - 1]; @@ -484,7 +486,7 @@ static int dvb_register(struct cx23885_tsport *port) .i2c_adap = &i2c_bus->i2c_adap, .i2c_addr = 0x61, .video_dev = port, - .callback = cx23885_xc3028_tuner_callback, + .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = "xc3028-v27.fw", diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 08b4c1390e16..db52d814a974 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -410,8 +410,7 @@ extern const unsigned int cx23885_bcount; extern struct cx23885_subid cx23885_subids[]; extern const unsigned int cx23885_idcount; -extern int cx23885_xc5000_tuner_callback(void *priv, int command, int arg); -extern int cx23885_xc3028_tuner_callback(void *priv, int command, int arg); +extern int cx23885_tuner_callback(void *priv, int command, int arg); extern void cx23885_card_list(struct cx23885_dev *dev); extern int cx23885_ir_init(struct cx23885_dev *dev); extern void cx23885_gpio_setup(struct cx23885_dev *dev); -- GitLab From f723af16da8359cda47320001960609b0086082b Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 9 Aug 2008 10:35:29 -0300 Subject: [PATCH 3762/6244] V4L/DVB (8649): v4l2: add AAC bitrate control If you can select AAC as audio encoder, then you should also be able to set the bitrate. Add this missing control. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-common.c | 3 +++ include/linux/videodev2.h | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 0c511839f7ee..20c3be8617ea 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -386,6 +386,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate"; case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate"; case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate"; + case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate"; case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode"; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension"; @@ -548,6 +549,8 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) V4L2_MPEG_AUDIO_L3_BITRATE_32K, V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1, V4L2_MPEG_AUDIO_L3_BITRATE_192K); + case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: + return v4l2_ctrl_query_fill(qctrl, 0, 6400, 1, 3200000); case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_AC3_BITRATE_32K, diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 9054764f4cde..d4b03034ee73 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -990,7 +990,8 @@ enum v4l2_mpeg_audio_crc { V4L2_MPEG_AUDIO_CRC_CRC16 = 1, }; #define V4L2_CID_MPEG_AUDIO_MUTE (V4L2_CID_MPEG_BASE+109) -#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+110) +#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE (V4L2_CID_MPEG_BASE+110) +#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE (V4L2_CID_MPEG_BASE+111) enum v4l2_mpeg_audio_ac3_bitrate { V4L2_MPEG_AUDIO_AC3_BITRATE_32K = 0, V4L2_MPEG_AUDIO_AC3_BITRATE_40K = 1, -- GitLab From 8d79898897f8afee182febef18b96f559d32ebc4 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Sat, 9 Aug 2008 12:23:15 -0300 Subject: [PATCH 3763/6244] V4L/DVB (8654): cxusb: add support for DViCO FusionHDTV DVB-T Dual Digital 4 (rev 2) Add support for revision 2 of the DViCO FusionHDTV DVB-T Dual Digital 4 which has new tuners and demodulators (2 x DIB7070p). With this patch both DVB reception and IR works. The dib7000p driver currently hardwires the output mode to OUTMODE_MPEG2_SERIAL regardless of what we ask for. Modify it to allow OUTMODE_MPEG2_PAR_GATED_CLK to be set. Longer term we should remove the check completely and set the output mode correctly in all the callers. Add Kconfig bits to ensure the dib7000p and dib0070 modules are enabled. It would be nice to only do this for the !DVB_FE_CUSTOMISE case, but this is what the other DIB7070 module does (there are a number of module dependencies in the attach code). Signed-off-by: Anton Blanchard Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 2 + drivers/media/dvb/dvb-usb/cxusb.c | 206 ++++++++++++++++++++++++ drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + drivers/media/dvb/frontends/dib7000p.c | 3 +- 4 files changed, 211 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index e84152b7576d..df9932368bba 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -108,6 +108,8 @@ config DVB_USB_CXUSB select MEDIA_TUNER_SIMPLE if !DVB_FE_CUSTOMISE select MEDIA_TUNER_XC2028 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_MXL5005S if !DVB_FE_CUSTOMISE + select DVB_DIB7000P + select DVB_TUNER_DIB0070 help Say Y here to support the Conexant USB2.0 hybrid reference design. Currently, only DVB and ATSC modes are supported, analog mode diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 563400277a42..1de3678a294b 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -36,6 +36,8 @@ #include "tuner-xc2028.h" #include "tuner-simple.h" #include "mxl5005s.h" +#include "dib7000p.h" +#include "dib0070.h" /* debug */ static int dvb_usb_cxusb_debug; @@ -726,6 +728,157 @@ no_IR: return 0; } +static struct dibx000_agc_config dib7070_agc_config = { + .band_caps = BAND_UHF | BAND_VHF | BAND_LBAND | BAND_SBAND, + + /* + * P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, + * P_agc_inv_pwm1=0, P_agc_inv_pwm2=0, P_agc_inh_dc_rv_est=0, + * P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=5, P_agc_write=0 + */ + .setup = (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) | + (0 << 8) | (3 << 5) | (0 << 4) | (5 << 1) | (0 << 0), + .inv_gain = 600, + .time_stabiliz = 10, + .alpha_level = 0, + .thlock = 118, + .wbd_inv = 0, + .wbd_ref = 3530, + .wbd_sel = 1, + .wbd_alpha = 5, + .agc1_max = 65535, + .agc1_min = 0, + .agc2_max = 65535, + .agc2_min = 0, + .agc1_pt1 = 0, + .agc1_pt2 = 40, + .agc1_pt3 = 183, + .agc1_slope1 = 206, + .agc1_slope2 = 255, + .agc2_pt1 = 72, + .agc2_pt2 = 152, + .agc2_slope1 = 88, + .agc2_slope2 = 90, + .alpha_mant = 17, + .alpha_exp = 27, + .beta_mant = 23, + .beta_exp = 51, + .perform_agc_softsplit = 0, +}; + +static struct dibx000_bandwidth_config dib7070_bw_config_12_mhz = { + .internal = 60000, + .sampling = 15000, + .pll_prediv = 1, + .pll_ratio = 20, + .pll_range = 3, + .pll_reset = 1, + .pll_bypass = 0, + .enable_refdiv = 0, + .bypclk_div = 0, + .IO_CLK_en_core = 1, + .ADClkSrc = 1, + .modulo = 2, + /* refsel, sel, freq_15k */ + .sad_cfg = (3 << 14) | (1 << 12) | (524 << 0), + .ifreq = (0 << 25) | 0, + .timf = 20452225, + .xtal_hz = 12000000, +}; + +static struct dib7000p_config cxusb_dualdig4_rev2_config = { + .output_mode = OUTMODE_MPEG2_PAR_GATED_CLK, + .output_mpeg2_in_188_bytes = 1, + + .agc_config_count = 1, + .agc = &dib7070_agc_config, + .bw = &dib7070_bw_config_12_mhz, + .tuner_is_baseband = 1, + .spur_protect = 1, + + .gpio_dir = 0xfcef, + .gpio_val = 0x0110, + + .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS, + + .hostbus_diversity = 1, +}; + +static int cxusb_dualdig4_rev2_frontend_attach(struct dvb_usb_adapter *adap) +{ + if (usb_set_interface(adap->dev->udev, 0, 1) < 0) + err("set interface failed"); + + cxusb_ctrl_msg(adap->dev, CMD_DIGITAL, NULL, 0, NULL, 0); + + cxusb_bluebird_gpio_pulse(adap->dev, 0x02, 1); + + dib7000p_i2c_enumeration(&adap->dev->i2c_adap, 1, 18, + &cxusb_dualdig4_rev2_config); + + if ((adap->fe = dvb_attach(dib7000p_attach, + &adap->dev->i2c_adap, 0x80, + &cxusb_dualdig4_rev2_config)) == NULL) + return -EIO; + + return 0; +} + +static int dib7070_tuner_reset(struct dvb_frontend *fe, int onoff) +{ + return dib7000p_set_gpio(fe, 8, 0, !onoff); +} + +static int dib7070_tuner_sleep(struct dvb_frontend *fe, int onoff) +{ + return 0; +} + +static struct dib0070_config dib7070p_dib0070_config = { + .i2c_address = DEFAULT_DIB0070_I2C_ADDRESS, + .reset = dib7070_tuner_reset, + .sleep = dib7070_tuner_sleep, + .clock_khz = 12000, +}; + +struct dib0700_adapter_state { + int (*set_param_save) (struct dvb_frontend *, + struct dvb_frontend_parameters *); +}; + +static int dib7070_set_param_override(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + struct dvb_usb_adapter *adap = fe->dvb->priv; + struct dib0700_adapter_state *state = adap->priv; + + u16 offset; + u8 band = BAND_OF_FREQUENCY(fep->frequency/1000); + switch (band) { + case BAND_VHF: offset = 950; break; + case BAND_UHF: + default: offset = 550; break; + } + + dib7000p_set_wbd_ref(fe, offset + dib0070_wbd_offset(fe)); + + return state->set_param_save(fe, fep); +} + +static int cxusb_dualdig4_rev2_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct dib0700_adapter_state *st = adap->priv; + struct i2c_adapter *tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1); + + if (dvb_attach(dib0070_attach, adap->fe, tun_i2c, + &dib7070p_dib0070_config) == NULL) + return -ENODEV; + + st->set_param_save = adap->fe->ops.tuner_ops.set_params; + adap->fe->ops.tuner_ops.set_params = dib7070_set_param_override; + return 0; +} + static int cxusb_nano2_frontend_attach(struct dvb_usb_adapter *adap) { if (usb_set_interface(adap->dev->udev, 0, 1) < 0) @@ -826,6 +979,7 @@ static struct dvb_usb_device_properties cxusb_bluebird_dee1601_properties; static struct dvb_usb_device_properties cxusb_bluebird_lgz201_properties; static struct dvb_usb_device_properties cxusb_bluebird_dtt7579_properties; static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_properties; +static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties; static struct dvb_usb_device_properties cxusb_bluebird_nano2_properties; static struct dvb_usb_device_properties cxusb_bluebird_nano2_needsfirmware_properties; static struct dvb_usb_device_properties cxusb_aver_a868r_properties; @@ -852,6 +1006,9 @@ static int cxusb_probe(struct usb_interface *intf, THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &cxusb_aver_a868r_properties, THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, + &cxusb_bluebird_dualdig4_rev2_properties, + THIS_MODULE, NULL, adapter_nr) || 0) return 0; @@ -876,6 +1033,7 @@ static struct usb_device_id cxusb_table [] = { { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) }, { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) }, { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_A868R) }, + { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2) }, {} /* Terminating entry */ }; MODULE_DEVICE_TABLE (usb, cxusb_table); @@ -1321,6 +1479,54 @@ static struct dvb_usb_device_properties cxusb_aver_a868r_properties = { } }; +static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + + .size_of_priv = sizeof(struct cxusb_state), + + .num_adapters = 1, + .adapter = { + { + .streaming_ctrl = cxusb_streaming_ctrl, + .frontend_attach = cxusb_dualdig4_rev2_frontend_attach, + .tuner_attach = cxusb_dualdig4_rev2_tuner_attach, + .size_of_priv = sizeof(struct dib0700_adapter_state), + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_BULK, + .count = 7, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + }, + }, + + .power_ctrl = cxusb_bluebird_power_ctrl, + + .i2c_algo = &cxusb_i2c_algo, + + .generic_bulk_ctrl_endpoint = 0x01, + + .rc_interval = 100, + .rc_key_map = dvico_mce_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dvico_mce_rc_keys), + .rc_query = cxusb_rc_query, + + .num_device_descs = 1, + .devices = { + { "DViCO FusionHDTV DVB-T Dual Digital 4 (rev 2)", + { NULL }, + { &cxusb_table[17], NULL }, + }, + } +}; + static struct usb_driver cxusb_driver = { .name = "dvb_usb_cxusb", .probe = cxusb_probe, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 03dfb9f2fe30..f327a154b6c6 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -171,6 +171,7 @@ #define USB_PID_DVICO_BLUEBIRD_DUAL_2_COLD 0xdb58 #define USB_PID_DVICO_BLUEBIRD_DUAL_2_WARM 0xdb59 #define USB_PID_DVICO_BLUEBIRD_DUAL_4 0xdb78 +#define USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2 0xdb98 #define USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2 0xdb70 #define USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM 0xdb71 #define USB_PID_DIGITALNOW_BLUEBIRD_DUAL_1_COLD 0xdb54 diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c index 1a0142e0d741..8217e5b38f47 100644 --- a/drivers/media/dvb/frontends/dib7000p.c +++ b/drivers/media/dvb/frontends/dib7000p.c @@ -1333,7 +1333,8 @@ struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, /* Ensure the output mode remains at the previous default if it's * not specifically set by the caller. */ - if (st->cfg.output_mode != OUTMODE_MPEG2_SERIAL) + if ((st->cfg.output_mode != OUTMODE_MPEG2_SERIAL) && + (st->cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK)) st->cfg.output_mode = OUTMODE_MPEG2_FIFO; demod = &st->demod; -- GitLab From a2dc86b69dcbcbeb498c5f5169f09f4bd207de5f Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 9 Aug 2008 13:06:26 -0300 Subject: [PATCH 3764/6244] V4L/DVB (8655): cxusb: fix checkpatch warnings & errors Fix the following checkpatch.pl errors and warnings: ERROR: do not use assignment in if condition 117: FILE: linux/drivers/media/dvb/dvb-usb/cxusb.c:819: + if ((adap->fe = dvb_attach(dib7000p_attach, ERROR: switch and case should be at the same indent 155: FILE: linux/drivers/media/dvb/dvb-usb/cxusb.c:857: + switch (band) { + case BAND_VHF: offset = 950; break; + case BAND_UHF: + default: offset = 550; break; WARNING: line over 80 characters 169: FILE: linux/drivers/media/dvb/dvb-usb/cxusb.c:871: + struct i2c_adapter *tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1); WARNING: line over 80 characters 213: FILE: linux/drivers/media/dvb/dvb-usb/cxusb.c:1342: +static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties = { WARNING: line over 80 characters 226: FILE: linux/drivers/media/dvb/dvb-usb/cxusb.c:1355: + .size_of_priv = sizeof(struct dib0700_adapter_state), total: 2 errors, 3 warnings, 266 lines checked Signed-off-by: Michael Krufky Cc: Anton Blanchard Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/cxusb.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 1de3678a294b..338c819ca739 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -816,9 +816,9 @@ static int cxusb_dualdig4_rev2_frontend_attach(struct dvb_usb_adapter *adap) dib7000p_i2c_enumeration(&adap->dev->i2c_adap, 1, 18, &cxusb_dualdig4_rev2_config); - if ((adap->fe = dvb_attach(dib7000p_attach, - &adap->dev->i2c_adap, 0x80, - &cxusb_dualdig4_rev2_config)) == NULL) + adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 0x80, + &cxusb_dualdig4_rev2_config); + if (adap->fe == NULL) return -EIO; return 0; @@ -855,9 +855,9 @@ static int dib7070_set_param_override(struct dvb_frontend *fe, u16 offset; u8 band = BAND_OF_FREQUENCY(fep->frequency/1000); switch (band) { - case BAND_VHF: offset = 950; break; - case BAND_UHF: - default: offset = 550; break; + case BAND_VHF: offset = 950; break; + default: + case BAND_UHF: offset = 550; break; } dib7000p_set_wbd_ref(fe, offset + dib0070_wbd_offset(fe)); @@ -868,7 +868,9 @@ static int dib7070_set_param_override(struct dvb_frontend *fe, static int cxusb_dualdig4_rev2_tuner_attach(struct dvb_usb_adapter *adap) { struct dib0700_adapter_state *st = adap->priv; - struct i2c_adapter *tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1); + struct i2c_adapter *tun_i2c = + dib7000p_get_i2c_master(adap->fe, + DIBX000_I2C_INTERFACE_TUNER, 1); if (dvb_attach(dib0070_attach, adap->fe, tun_i2c, &dib7070p_dib0070_config) == NULL) @@ -1479,7 +1481,8 @@ static struct dvb_usb_device_properties cxusb_aver_a868r_properties = { } }; -static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties = { +static +struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = CYPRESS_FX2, @@ -1489,10 +1492,10 @@ static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties .num_adapters = 1, .adapter = { { - .streaming_ctrl = cxusb_streaming_ctrl, - .frontend_attach = cxusb_dualdig4_rev2_frontend_attach, - .tuner_attach = cxusb_dualdig4_rev2_tuner_attach, - .size_of_priv = sizeof(struct dib0700_adapter_state), + .streaming_ctrl = cxusb_streaming_ctrl, + .frontend_attach = cxusb_dualdig4_rev2_frontend_attach, + .tuner_attach = cxusb_dualdig4_rev2_tuner_attach, + .size_of_priv = sizeof(struct dib0700_adapter_state), /* parameter for the MPEG2-data transfer */ .stream = { .type = USB_BULK, -- GitLab From 2e06d2ff548fc6333f5b34d188646ded327187c3 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 9 Aug 2008 14:21:58 -0300 Subject: [PATCH 3765/6244] V4L/DVB (8656): fix DVB_FE_CUSTOMISE for DVB_DIB7000P and DVB_TUNER_DIB0070 with dvb-usb-cxusb Allow dvb-usb-cxusb to be built without dib7000p or dib0070 selected Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 4 +-- drivers/media/dvb/frontends/dib0070.h | 8 ++++- drivers/media/dvb/frontends/dib7000p.h | 41 ++++++++++++++++++++++---- 3 files changed, 45 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index df9932368bba..8a54cb48322f 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -108,8 +108,8 @@ config DVB_USB_CXUSB select MEDIA_TUNER_SIMPLE if !DVB_FE_CUSTOMISE select MEDIA_TUNER_XC2028 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_MXL5005S if !DVB_FE_CUSTOMISE - select DVB_DIB7000P - select DVB_TUNER_DIB0070 + select DVB_DIB7000P if !DVB_FE_CUSTOMISE + select DVB_TUNER_DIB0070 if !DVB_FE_CUSTOMISE help Say Y here to support the Conexant USB2.0 hybrid reference design. Currently, only DVB and ATSC modes are supported, analog mode diff --git a/drivers/media/dvb/frontends/dib0070.h b/drivers/media/dvb/frontends/dib0070.h index 3eedfdf505bc..21f2c5161af4 100644 --- a/drivers/media/dvb/frontends/dib0070.h +++ b/drivers/media/dvb/frontends/dib0070.h @@ -41,6 +41,7 @@ struct dib0070_config { extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg); +extern u16 dib0070_wbd_offset(struct dvb_frontend *); #else static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, @@ -49,9 +50,14 @@ static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } + +static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} #endif extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, uint8_t open); -extern u16 dib0070_wbd_offset(struct dvb_frontend *); #endif diff --git a/drivers/media/dvb/frontends/dib7000p.h b/drivers/media/dvb/frontends/dib7000p.h index 07c4d12ed5b7..3e8126857127 100644 --- a/drivers/media/dvb/frontends/dib7000p.h +++ b/drivers/media/dvb/frontends/dib7000p.h @@ -41,6 +41,14 @@ struct dib7000p_config { extern struct dvb_frontend *dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); +extern struct i2c_adapter *dib7000p_get_i2c_master(struct dvb_frontend *, + enum dibx000_i2c_interface, + int); +extern int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, + int no_of_demods, u8 default_addr, + struct dib7000p_config cfg[]); +extern int dib7000p_set_gpio(struct dvb_frontend *, u8 num, u8 dir, u8 val); +extern int dib7000p_set_wbd_ref(struct dvb_frontend *, u16 value); #else static inline struct dvb_frontend *dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, @@ -49,13 +57,36 @@ static inline struct dvb_frontend *dib7000p_attach(struct i2c_adapter *i2c_adap, printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } -#endif -extern int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]); +static inline +struct i2c_adapter *dib7000p_get_i2c_master(struct dvb_frontend *fe, + enum dibx000_i2c_interface i, int x) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +extern int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, + int no_of_demods, u8 default_addr, + struct dib7000p_config cfg[]) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} + +extern int dib7000p_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} + +extern int dib7000p_set_wbd_ref(struct dvb_frontend *fe, u16 value) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} +#endif -extern struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int); extern int dib7000pc_detection(struct i2c_adapter *i2c_adap); -extern int dib7000p_set_gpio(struct dvb_frontend *, u8 num, u8 dir, u8 val); -extern int dib7000p_set_wbd_ref(struct dvb_frontend *, u16 value); #endif -- GitLab From dfbdce04905d3196c828ca36f01ef06e6fdb2428 Mon Sep 17 00:00:00 2001 From: Timothy Lee Date: Sat, 9 Aug 2008 13:36:51 -0300 Subject: [PATCH 3766/6244] V4L/DVB (8657): cxusb: add lgs8gl5 and support for Magic-Pro DMB-TH usb stick Add support for Magic-Pro DMB-TH usb stick. DMB-TH is the HDTV broadcast standard used in Hong Kong and China. [...] I've also attached a second patch against the dvb-apps repository which adds a DMB-TH scan file for Hong Kong. Since the ProHDTV stick contains a DMB-TH decoder (lgs8gl5) onboard, it outputs MPEG-TS to the PC. Signed-off-by: Timothy Lee Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/cxusb.c | 286 ++++++++++++++ drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 2 + drivers/media/dvb/frontends/Kconfig | 7 + drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/lgs8gl5.c | 480 ++++++++++++++++++++++++ drivers/media/dvb/frontends/lgs8gl5.h | 45 +++ 6 files changed, 821 insertions(+) create mode 100644 drivers/media/dvb/frontends/lgs8gl5.c create mode 100644 drivers/media/dvb/frontends/lgs8gl5.h diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 338c819ca739..bffb44380389 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -38,6 +38,7 @@ #include "mxl5005s.h" #include "dib7000p.h" #include "dib0070.h" +#include "lgs8gl5.h" /* debug */ static int dvb_usb_cxusb_debug; @@ -111,6 +112,25 @@ static void cxusb_nano2_led(struct dvb_usb_device *d, int onoff) cxusb_bluebird_gpio_rw(d, 0x40, onoff ? 0 : 0x40); } +static int cxusb_d680_dmb_gpio_tuner(struct dvb_usb_device *d, + u8 addr, int onoff) +{ + u8 o[2] = {addr, onoff}; + u8 i; + int rc; + + rc = cxusb_ctrl_msg(d, CMD_GPIO_WRITE, o, 2, &i, 1); + + if (rc < 0) + return rc; + if (i == 0x01) + return 0; + else { + deb_info("gpio_write failed.\n"); + return -EIO; + } +} + /* I2C */ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) @@ -264,6 +284,20 @@ static int cxusb_nano2_power_ctrl(struct dvb_usb_device *d, int onoff) return rc; } +static int cxusb_d680_dmb_power_ctrl(struct dvb_usb_device *d, int onoff) +{ + int ret; + u8 b; + ret = cxusb_power_ctrl(d, onoff); + if (!onoff) + return ret; + + msleep(128); + cxusb_ctrl_msg(d, CMD_DIGITAL, NULL, 0, &b, 1); + msleep(100); + return ret; +} + static int cxusb_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) { u8 buf[2] = { 0x03, 0x00 }; @@ -285,6 +319,67 @@ static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) return 0; } +static void cxusb_d680_dmb_drain_message(struct dvb_usb_device *d) +{ + int ep = d->props.generic_bulk_ctrl_endpoint; + const int timeout = 100; + const int junk_len = 32; + u8 *junk; + int rd_count; + + /* Discard remaining data in video pipe */ + junk = kmalloc(junk_len, GFP_KERNEL); + if (!junk) + return; + while (1) { + if (usb_bulk_msg(d->udev, + usb_rcvbulkpipe(d->udev, ep), + junk, junk_len, &rd_count, timeout) < 0) + break; + if (!rd_count) + break; + } + kfree(junk); +} + +static void cxusb_d680_dmb_drain_video(struct dvb_usb_device *d) +{ + struct usb_data_stream_properties *p = &d->props.adapter[0].stream; + const int timeout = 100; + const int junk_len = p->u.bulk.buffersize; + u8 *junk; + int rd_count; + + /* Discard remaining data in video pipe */ + junk = kmalloc(junk_len, GFP_KERNEL); + if (!junk) + return; + while (1) { + if (usb_bulk_msg(d->udev, + usb_rcvbulkpipe(d->udev, p->endpoint), + junk, junk_len, &rd_count, timeout) < 0) + break; + if (!rd_count) + break; + } + kfree(junk); +} + +static int cxusb_d680_dmb_streaming_ctrl( + struct dvb_usb_adapter *adap, int onoff) +{ + if (onoff) { + u8 buf[2] = { 0x03, 0x00 }; + cxusb_d680_dmb_drain_video(adap->dev); + return cxusb_ctrl_msg(adap->dev, CMD_STREAMING_ON, + buf, sizeof(buf), NULL, 0); + } else { + int ret = cxusb_ctrl_msg(adap->dev, + CMD_STREAMING_OFF, NULL, 0, NULL, 0); + return ret; + } +} + static int cxusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { struct dvb_usb_rc_key *keymap = d->props.rc_key_map; @@ -337,6 +432,32 @@ static int cxusb_bluebird2_rc_query(struct dvb_usb_device *d, u32 *event, return 0; } +static int cxusb_d680_dmb_rc_query(struct dvb_usb_device *d, u32 *event, + int *state) +{ + struct dvb_usb_rc_key *keymap = d->props.rc_key_map; + u8 ircode[2]; + int i; + + *event = 0; + *state = REMOTE_NO_KEY_PRESSED; + + if (cxusb_ctrl_msg(d, 0x10, NULL, 0, ircode, 2) < 0) + return 0; + + for (i = 0; i < d->props.rc_key_map_size; i++) { + if (keymap[i].custom == ircode[0] && + keymap[i].data == ircode[1]) { + *event = keymap[i].event; + *state = REMOTE_KEY_PRESSED; + + return 0; + } + } + + return 0; +} + static struct dvb_usb_rc_key dvico_mce_rc_keys[] = { { 0xfe, 0x02, KEY_TV }, { 0xfe, 0x0e, KEY_MP3 }, @@ -424,6 +545,44 @@ static struct dvb_usb_rc_key dvico_portable_rc_keys[] = { { 0xfc, 0x00, KEY_UNKNOWN }, /* HD */ }; +static struct dvb_usb_rc_key d680_dmb_rc_keys[] = { + { 0x00, 0x38, KEY_UNKNOWN }, /* TV/AV */ + { 0x08, 0x0c, KEY_ZOOM }, + { 0x08, 0x00, KEY_0 }, + { 0x00, 0x01, KEY_1 }, + { 0x08, 0x02, KEY_2 }, + { 0x00, 0x03, KEY_3 }, + { 0x08, 0x04, KEY_4 }, + { 0x00, 0x05, KEY_5 }, + { 0x08, 0x06, KEY_6 }, + { 0x00, 0x07, KEY_7 }, + { 0x08, 0x08, KEY_8 }, + { 0x00, 0x09, KEY_9 }, + { 0x00, 0x0a, KEY_MUTE }, + { 0x08, 0x29, KEY_BACK }, + { 0x00, 0x12, KEY_CHANNELUP }, + { 0x08, 0x13, KEY_CHANNELDOWN }, + { 0x00, 0x2b, KEY_VOLUMEUP }, + { 0x08, 0x2c, KEY_VOLUMEDOWN }, + { 0x00, 0x20, KEY_UP }, + { 0x08, 0x21, KEY_DOWN }, + { 0x00, 0x11, KEY_LEFT }, + { 0x08, 0x10, KEY_RIGHT }, + { 0x00, 0x0d, KEY_OK }, + { 0x08, 0x1f, KEY_RECORD }, + { 0x00, 0x17, KEY_PLAYPAUSE }, + { 0x08, 0x16, KEY_PLAYPAUSE }, + { 0x00, 0x0b, KEY_STOP }, + { 0x08, 0x27, KEY_FASTFORWARD }, + { 0x00, 0x26, KEY_REWIND }, + { 0x08, 0x1e, KEY_UNKNOWN }, /* Time Shift */ + { 0x00, 0x0e, KEY_UNKNOWN }, /* Snapshot */ + { 0x08, 0x2d, KEY_UNKNOWN }, /* Mouse Cursor */ + { 0x00, 0x0f, KEY_UNKNOWN }, /* Minimize/Maximize */ + { 0x08, 0x14, KEY_UNKNOWN }, /* Shuffle */ + { 0x00, 0x25, KEY_POWER }, +}; + static int cxusb_dee1601_demod_init(struct dvb_frontend* fe) { static u8 clock_config [] = { CLOCK_CTL, 0x38, 0x28 }; @@ -529,6 +688,24 @@ static struct mxl5005s_config aver_a868r_tuner = { .AgcMasterByte = 0x00, }; +/* FIXME: needs tweaking */ +static struct mxl5005s_config d680_dmb_tuner = { + .i2c_address = 0x63, + .if_freq = 36125000UL, + .xtal_freq = CRYSTAL_FREQ_16000000HZ, + .agc_mode = MXL_SINGLE_AGC, + .tracking_filter = MXL_TF_C, + .rssi_enable = MXL_RSSI_ENABLE, + .cap_select = MXL_CAP_SEL_ENABLE, + .div_out = MXL_DIV_OUT_4, + .clock_out = MXL_CLOCK_OUT_DISABLE, + .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, + .top = MXL5005S_TOP_25P2, + .mod_mode = MXL_DIGITAL_MODE, + .if_mode = MXL_ZERO_IF, + .AgcMasterByte = 0x00, +}; + /* Callbacks for DVB USB */ static int cxusb_fmd1216me_tuner_attach(struct dvb_usb_adapter *adap) { @@ -617,6 +794,14 @@ static int cxusb_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap) return 0; } +static int cxusb_d680_dmb_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct dvb_frontend *fe; + fe = dvb_attach(mxl5005s_attach, adap->fe, + &adap->dev->i2c_adap, &d680_dmb_tuner); + return (fe == NULL) ? -EIO : 0; +} + static int cxusb_cx22702_frontend_attach(struct dvb_usb_adapter *adap) { u8 b; @@ -906,6 +1091,54 @@ static int cxusb_nano2_frontend_attach(struct dvb_usb_adapter *adap) return -EIO; } +static struct lgs8gl5_config lgs8gl5_cfg = { + .demod_address = 0x19, +}; + +static int cxusb_d680_dmb_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct dvb_usb_device *d = adap->dev; + int n; + + /* Select required USB configuration */ + if (usb_set_interface(d->udev, 0, 0) < 0) + err("set interface failed"); + + /* Unblock all USB pipes */ + usb_clear_halt(d->udev, + usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); + usb_clear_halt(d->udev, + usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint)); + usb_clear_halt(d->udev, + usb_rcvbulkpipe(d->udev, d->props.adapter[0].stream.endpoint)); + + /* Drain USB pipes to avoid hang after reboot */ + for (n = 0; n < 5; n++) { + cxusb_d680_dmb_drain_message(d); + cxusb_d680_dmb_drain_video(d); + msleep(200); + } + + /* Reset the tuner */ + if (cxusb_d680_dmb_gpio_tuner(d, 0x07, 0) < 0) { + err("clear tuner gpio failed"); + return -EIO; + } + msleep(100); + if (cxusb_d680_dmb_gpio_tuner(d, 0x07, 1) < 0) { + err("set tuner gpio failed"); + return -EIO; + } + msleep(100); + + /* Attach frontend */ + adap->fe = dvb_attach(lgs8gl5_attach, &lgs8gl5_cfg, &d->i2c_adap); + if (adap->fe == NULL) + return -EIO; + + return 0; +} + /* * DViCO has shipped two devices with the same USB ID, but only one of them * needs a firmware download. Check the device class details to see if they @@ -985,6 +1218,7 @@ static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties; static struct dvb_usb_device_properties cxusb_bluebird_nano2_properties; static struct dvb_usb_device_properties cxusb_bluebird_nano2_needsfirmware_properties; static struct dvb_usb_device_properties cxusb_aver_a868r_properties; +static struct dvb_usb_device_properties cxusb_d680_dmb_properties; static int cxusb_probe(struct usb_interface *intf, const struct usb_device_id *id) @@ -1011,6 +1245,8 @@ static int cxusb_probe(struct usb_interface *intf, 0 == dvb_usb_device_init(intf, &cxusb_bluebird_dualdig4_rev2_properties, THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &cxusb_d680_dmb_properties, + THIS_MODULE, NULL, adapter_nr) || 0) return 0; @@ -1036,6 +1272,7 @@ static struct usb_device_id cxusb_table [] = { { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) }, { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_A868R) }, { USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4_REV_2) }, + { USB_DEVICE(USB_VID_CONEXANT, USB_PID_CONEXANT_D680_DMB) }, {} /* Terminating entry */ }; MODULE_DEVICE_TABLE (usb, cxusb_table); @@ -1530,6 +1767,55 @@ struct dvb_usb_device_properties cxusb_bluebird_dualdig4_rev2_properties = { } }; +static struct dvb_usb_device_properties cxusb_d680_dmb_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = CYPRESS_FX2, + + .size_of_priv = sizeof(struct cxusb_state), + + .num_adapters = 1, + .adapter = { + { + .streaming_ctrl = cxusb_d680_dmb_streaming_ctrl, + .frontend_attach = cxusb_d680_dmb_frontend_attach, + .tuner_attach = cxusb_d680_dmb_tuner_attach, + + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_BULK, + .count = 5, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = 8192, + } + } + }, + }, + }, + + .power_ctrl = cxusb_d680_dmb_power_ctrl, + + .i2c_algo = &cxusb_i2c_algo, + + .generic_bulk_ctrl_endpoint = 0x01, + + .rc_interval = 100, + .rc_key_map = d680_dmb_rc_keys, + .rc_key_map_size = ARRAY_SIZE(d680_dmb_rc_keys), + .rc_query = cxusb_d680_dmb_rc_query, + + .num_device_descs = 1, + .devices = { + { + "Conexant DMB-TH Stick", + { NULL }, + { &cxusb_table[18], NULL }, + }, + } +}; + static struct usb_driver cxusb_driver = { .name = "dvb_usb_cxusb", .probe = cxusb_probe, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index f327a154b6c6..81369b79e75a 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -22,6 +22,7 @@ #define USB_VID_AVERMEDIA 0x07ca #define USB_VID_COMPRO 0x185b #define USB_VID_COMPRO_UNK 0x145f +#define USB_VID_CONEXANT 0x0572 #define USB_VID_CYPRESS 0x04b4 #define USB_VID_DIBCOM 0x10b8 #define USB_VID_DPOSH 0x1498 @@ -69,6 +70,7 @@ #define USB_PID_COMPRO_DVBU2000_UNK_WARM 0x010d #define USB_PID_COMPRO_VIDEOMATE_U500 0x1e78 #define USB_PID_COMPRO_VIDEOMATE_U500_PC 0x1e80 +#define USB_PID_CONEXANT_D680_DMB 0x86d6 #define USB_PID_DIBCOM_HOOK_DEFAULT 0x0064 #define USB_PID_DIBCOM_HOOK_DEFAULT_REENUM 0x0065 #define USB_PID_DIBCOM_MOD3000_COLD 0x0bb8 diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 7dbb4a223c99..774f5c2a71e8 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -385,4 +385,11 @@ config DVB_ISL6421 help An SEC control chip. +config DVB_LGS8GL5 + tristate "Silicon Legend LGS-8GL5 demodulator (OFDM)" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DMB-TH tuner module. Say Y when you want to support this frontend. + endmenu diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 028da55611c0..262eaa429f5d 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -48,3 +48,4 @@ obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o obj-$(CONFIG_DVB_AU8522) += au8522.o obj-$(CONFIG_DVB_TDA10048) += tda10048.o obj-$(CONFIG_DVB_S5H1411) += s5h1411.o +obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o diff --git a/drivers/media/dvb/frontends/lgs8gl5.c b/drivers/media/dvb/frontends/lgs8gl5.c new file mode 100644 index 000000000000..c0a223d28b0f --- /dev/null +++ b/drivers/media/dvb/frontends/lgs8gl5.c @@ -0,0 +1,480 @@ +/* + Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver + + Copyright (C) 2008 Sirius International (Hong Kong) Limited + Timothy Lee + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include +#include +#include +#include +#include +#include "dvb_frontend.h" +#include "lgs8gl5.h" + + +#define REG_RESET 0x02 +#define REG_RESET_OFF 0x01 +#define REG_03 0x03 +#define REG_04 0x04 +#define REG_07 0x07 +#define REG_09 0x09 +#define REG_0A 0x0a +#define REG_0B 0x0b +#define REG_0C 0x0c +#define REG_37 0x37 +#define REG_STRENGTH 0x4b +#define REG_STRENGTH_MASK 0x7f +#define REG_STRENGTH_CARRIER 0x80 +#define REG_INVERSION 0x7c +#define REG_INVERSION_ON 0x80 +#define REG_7D 0x7d +#define REG_7E 0x7e +#define REG_A2 0xa2 +#define REG_STATUS 0xa4 +#define REG_STATUS_SYNC 0x04 +#define REG_STATUS_LOCK 0x01 + + +struct lgs8gl5_state { + struct i2c_adapter *i2c; + const struct lgs8gl5_config *config; + struct dvb_frontend frontend; +}; + + +static int debug; +#define dprintk(args...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "lgs8gl5: " args); \ + } while (0) + + +/* Writes into demod's register */ +static int +lgs8gl5_write_reg(struct lgs8gl5_state *state, u8 reg, u8 data) +{ + int ret; + u8 buf[] = {reg, data}; + struct i2c_msg msg = { + .addr = state->config->demod_address, + .flags = 0, + .buf = buf, + .len = 2 + }; + + ret = i2c_transfer(state->i2c, &msg, 1); + if (ret != 1) + dprintk("%s: error (reg=0x%02x, val=0x%02x, ret=%i)\n", + __func__, reg, data, ret); + return (ret != 1) ? -1 : 0; +} + + +/* Reads from demod's register */ +static int +lgs8gl5_read_reg(struct lgs8gl5_state *state, u8 reg) +{ + int ret, j; + u8 b0[] = {reg}; + u8 b1[] = {0}; + struct i2c_msg msg[2] = { + { + .addr = state->config->demod_address, + .flags = 0, + .buf = b0, + .len = 1 + }, + { + .addr = state->config->demod_address, + .flags = I2C_M_RD, + .buf = b1, + .len = 1 + } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + if (ret != 2) + return -EIO; + + return b1[0]; +} + + +static int +lgs8gl5_update_reg(struct lgs8gl5_state *state, u8 reg, u8 data) +{ + lgs8gl5_read_reg(state, reg); + lgs8gl5_write_reg(state, reg, data); + return 0; +} + + +/* Writes into alternate device's register */ +/* TODO: Find out what that device is for! */ +static int +lgs8gl5_update_alt_reg(struct lgs8gl5_state *state, u8 reg, u8 data) +{ + int ret, j; + u8 b0[] = {reg}; + u8 b1[] = {0}; + u8 b2[] = {reg, data}; + struct i2c_msg msg[3] = { + { + .addr = state->config->demod_address + 2, + .flags = 0, + .buf = b0, + .len = 1 + }, + { + .addr = state->config->demod_address + 2, + .flags = I2C_M_RD, + .buf = b1, + .len = 1 + }, + { + .addr = state->config->demod_address + 2, + .flags = 0, + .buf = b2, + .len = 2 + }, + }; + + ret = i2c_transfer(state->i2c, msg, 3); + return (ret != 3) ? -1 : 0; +} + + +static void +lgs8gl5_soft_reset(struct lgs8gl5_state *state) +{ + u8 val; + + dprintk("%s\n", __func__); + + val = lgs8gl5_read_reg(state, REG_RESET); + lgs8gl5_write_reg(state, REG_RESET, val & ~REG_RESET_OFF); + lgs8gl5_write_reg(state, REG_RESET, val | REG_RESET_OFF); + msleep(5); +} + + +static int +lgs8gl5_set_inversion(struct lgs8gl5_state *state, int inversion) +{ + u8 val; + + dprintk("%s\n", __func__); + + switch (inversion) { + case INVERSION_AUTO: + return -EOPNOTSUPP; + case INVERSION_ON: + val = lgs8gl5_read_reg(state, REG_INVERSION); + return lgs8gl5_write_reg(state, REG_INVERSION, + val | REG_INVERSION_ON); + case INVERSION_OFF: + val = lgs8gl5_read_reg(state, REG_INVERSION); + return lgs8gl5_write_reg(state, REG_INVERSION, + val & ~REG_INVERSION_ON); + default: + return -EINVAL; + } +} + + +/* Starts demodulation */ +static void +lgs8gl5_start_demod(struct lgs8gl5_state *state) +{ + u8 val; + int n; + + dprintk("%s\n", __func__); + + lgs8gl5_update_alt_reg(state, 0xc2, 0x28); + lgs8gl5_soft_reset(state); + lgs8gl5_update_reg(state, REG_07, 0x10); + lgs8gl5_update_reg(state, REG_07, 0x10); + lgs8gl5_write_reg(state, REG_09, 0x0e); + lgs8gl5_write_reg(state, REG_0A, 0xe5); + lgs8gl5_write_reg(state, REG_0B, 0x35); + lgs8gl5_write_reg(state, REG_0C, 0x30); + + lgs8gl5_update_reg(state, REG_03, 0x00); + lgs8gl5_update_reg(state, REG_7E, 0x01); + lgs8gl5_update_alt_reg(state, 0xc5, 0x00); + lgs8gl5_update_reg(state, REG_04, 0x02); + lgs8gl5_update_reg(state, REG_37, 0x01); + lgs8gl5_soft_reset(state); + + /* Wait for carrier */ + for (n = 0; n < 10; n++) { + val = lgs8gl5_read_reg(state, REG_STRENGTH); + dprintk("Wait for carrier[%d] 0x%02X\n", n, val); + if (val & REG_STRENGTH_CARRIER) + break; + msleep(4); + } + if (!(val & REG_STRENGTH_CARRIER)) + return; + + /* Wait for lock */ + for (n = 0; n < 20; n++) { + val = lgs8gl5_read_reg(state, REG_STATUS); + dprintk("Wait for lock[%d] 0x%02X\n", n, val); + if (val & REG_STATUS_LOCK) + break; + msleep(12); + } + if (!(val & REG_STATUS_LOCK)) + return; + + lgs8gl5_write_reg(state, REG_7D, lgs8gl5_read_reg(state, REG_A2)); + lgs8gl5_soft_reset(state); +} + + +static int +lgs8gl5_init(struct dvb_frontend *fe) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + lgs8gl5_update_alt_reg(state, 0xc2, 0x28); + lgs8gl5_soft_reset(state); + lgs8gl5_update_reg(state, REG_07, 0x10); + lgs8gl5_update_reg(state, REG_07, 0x10); + lgs8gl5_write_reg(state, REG_09, 0x0e); + lgs8gl5_write_reg(state, REG_0A, 0xe5); + lgs8gl5_write_reg(state, REG_0B, 0x35); + lgs8gl5_write_reg(state, REG_0C, 0x30); + + return 0; +} + + +static int +lgs8gl5_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + u8 level = lgs8gl5_read_reg(state, REG_STRENGTH); + u8 flags = lgs8gl5_read_reg(state, REG_STATUS); + + *status = 0; + + if ((level & REG_STRENGTH_MASK) > 0) + *status |= FE_HAS_SIGNAL; + if (level & REG_STRENGTH_CARRIER) + *status |= FE_HAS_CARRIER; + if (flags & REG_STATUS_SYNC) + *status |= FE_HAS_SYNC; + if (flags & REG_STATUS_LOCK) + *status |= FE_HAS_LOCK; + + return 0; +} + + +static int +lgs8gl5_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + *ber = 0; + + return 0; +} + + +static int +lgs8gl5_read_signal_strength(struct dvb_frontend *fe, u16 *signal_strength) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + u8 level = lgs8gl5_read_reg(state, REG_STRENGTH); + *signal_strength = (level & REG_STRENGTH_MASK) << 8; + + return 0; +} + + +static int +lgs8gl5_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + u8 level = lgs8gl5_read_reg(state, REG_STRENGTH); + *snr = (level & REG_STRENGTH_MASK) << 8; + + return 0; +} + + +static int +lgs8gl5_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + *ucblocks = 0; + + return 0; +} + + +static int +lgs8gl5_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + if (p->u.ofdm.bandwidth != BANDWIDTH_8_MHZ) + return -EINVAL; + + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + /* lgs8gl5_set_inversion(state, p->inversion); */ + + lgs8gl5_start_demod(state); + + return 0; +} + + +static int +lgs8gl5_get_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + u8 inv = lgs8gl5_read_reg(state, REG_INVERSION); + struct dvb_ofdm_parameters *o = &p->u.ofdm; + + p->inversion = (inv & REG_INVERSION_ON) ? INVERSION_ON : INVERSION_OFF; + + o->code_rate_HP = FEC_1_2; + o->code_rate_LP = FEC_7_8; + o->guard_interval = GUARD_INTERVAL_1_32; + o->transmission_mode = TRANSMISSION_MODE_2K; + o->constellation = QAM_64; + o->hierarchy_information = HIERARCHY_NONE; + o->bandwidth = BANDWIDTH_8_MHZ; + + return 0; +} + + +static int +lgs8gl5_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *fesettings) +{ + fesettings->min_delay_ms = 240; + fesettings->step_size = 0; + fesettings->max_drift = 0; + return 0; +} + + +static void +lgs8gl5_release(struct dvb_frontend *fe) +{ + struct lgs8gl5_state *state = fe->demodulator_priv; + kfree(state); +} + + +static struct dvb_frontend_ops lgs8gl5_ops; + + +struct dvb_frontend* +lgs8gl5_attach(const struct lgs8gl5_config *config, struct i2c_adapter *i2c) +{ + struct lgs8gl5_state *state = NULL; + + dprintk("%s\n", __func__); + + /* Allocate memory for the internal state */ + state = kmalloc(sizeof(struct lgs8gl5_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* Setup the state */ + state->config = config; + state->i2c = i2c; + + /* Check if the demod is there */ + if (lgs8gl5_read_reg(state, REG_RESET) < 0) + goto error; + + /* Create dvb_frontend */ + memcpy(&state->frontend.ops, &lgs8gl5_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + return NULL; +} +EXPORT_SYMBOL(lgs8gl5_attach); + + +static struct dvb_frontend_ops lgs8gl5_ops = { + .info = { + .name = "Legend Silicon LGS-8GL5 DMB-TH", + .type = FE_OFDM, + .frequency_min = 474000000, + .frequency_max = 858000000, + .frequency_stepsize = 10000, + .frequency_tolerance = 0, + .caps = FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_32 | + FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_BANDWIDTH_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | + FE_CAN_RECOVER + }, + + .release = lgs8gl5_release, + + .init = lgs8gl5_init, + + .set_frontend = lgs8gl5_set_frontend, + .get_frontend = lgs8gl5_get_frontend, + .get_tune_settings = lgs8gl5_get_tune_settings, + + .read_status = lgs8gl5_read_status, + .read_ber = lgs8gl5_read_ber, + .read_signal_strength = lgs8gl5_read_signal_strength, + .read_snr = lgs8gl5_read_snr, + .read_ucblocks = lgs8gl5_read_ucblocks, +}; + + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_DESCRIPTION("Legend Silicon LGS-8GL5 DMB-TH Demodulator driver"); +MODULE_AUTHOR("Timothy Lee"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/lgs8gl5.h b/drivers/media/dvb/frontends/lgs8gl5.h new file mode 100644 index 000000000000..d14176787a7d --- /dev/null +++ b/drivers/media/dvb/frontends/lgs8gl5.h @@ -0,0 +1,45 @@ +/* + Legend Silicon LGS-8GL5 DMB-TH OFDM demodulator driver + + Copyright (C) 2008 Sirius International (Hong Kong) Limited + Timothy Lee + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef LGS8GL5_H +#define LGS8GL5_H + +#include + +struct lgs8gl5_config { + /* the demodulator's i2c address */ + u8 demod_address; +}; + +#if defined(CONFIG_DVB_LGS8GL5) || \ + (defined(CONFIG_DVB_LGS8GL5_MODULE) && defined(MODULE)) +extern struct dvb_frontend *lgs8gl5_attach( + const struct lgs8gl5_config *config, struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *lgs8gl5_attach( + const struct lgs8gl5_config *config, struct i2c_adapter *i2c) { + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_LGS8GL5 */ + +#endif /* LGS8GL5_H */ -- GitLab From 3a6b974d37370e89637f870657f93fd859e09ee3 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 9 Aug 2008 15:29:46 -0300 Subject: [PATCH 3767/6244] V4L/DVB (8658): lgs8gl5: fix build warnings Fix the following build warnings: lgs8gl5.c: In function 'lgs8gl5_read_reg': lgs8gl5.c:95: warning: unused variable 'j' lgs8gl5.c: In function 'lgs8gl5_update_alt_reg': lgs8gl5.c:135: warning: unused variable 'j' lgs8gl5.c: In function 'lgs8gl5_read_ber': lgs8gl5.c:300: warning: unused variable 'state' lgs8gl5.c: In function 'lgs8gl5_read_ucblocks': lgs8gl5.c:332: warning: unused variable 'state' lgs8gl5.c: At top level: lgs8gl5.c:181: warning: 'lgs8gl5_set_inversion' defined but not used Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/lgs8gl5.c | 30 ++------------------------- 1 file changed, 2 insertions(+), 28 deletions(-) diff --git a/drivers/media/dvb/frontends/lgs8gl5.c b/drivers/media/dvb/frontends/lgs8gl5.c index c0a223d28b0f..855852fddf22 100644 --- a/drivers/media/dvb/frontends/lgs8gl5.c +++ b/drivers/media/dvb/frontends/lgs8gl5.c @@ -92,7 +92,7 @@ lgs8gl5_write_reg(struct lgs8gl5_state *state, u8 reg, u8 data) static int lgs8gl5_read_reg(struct lgs8gl5_state *state, u8 reg) { - int ret, j; + int ret; u8 b0[] = {reg}; u8 b1[] = {0}; struct i2c_msg msg[2] = { @@ -132,7 +132,7 @@ lgs8gl5_update_reg(struct lgs8gl5_state *state, u8 reg, u8 data) static int lgs8gl5_update_alt_reg(struct lgs8gl5_state *state, u8 reg, u8 data) { - int ret, j; + int ret; u8 b0[] = {reg}; u8 b1[] = {0}; u8 b2[] = {reg, data}; @@ -176,30 +176,6 @@ lgs8gl5_soft_reset(struct lgs8gl5_state *state) } -static int -lgs8gl5_set_inversion(struct lgs8gl5_state *state, int inversion) -{ - u8 val; - - dprintk("%s\n", __func__); - - switch (inversion) { - case INVERSION_AUTO: - return -EOPNOTSUPP; - case INVERSION_ON: - val = lgs8gl5_read_reg(state, REG_INVERSION); - return lgs8gl5_write_reg(state, REG_INVERSION, - val | REG_INVERSION_ON); - case INVERSION_OFF: - val = lgs8gl5_read_reg(state, REG_INVERSION); - return lgs8gl5_write_reg(state, REG_INVERSION, - val & ~REG_INVERSION_ON); - default: - return -EINVAL; - } -} - - /* Starts demodulation */ static void lgs8gl5_start_demod(struct lgs8gl5_state *state) @@ -297,7 +273,6 @@ lgs8gl5_read_status(struct dvb_frontend *fe, fe_status_t *status) static int lgs8gl5_read_ber(struct dvb_frontend *fe, u32 *ber) { - struct lgs8gl5_state *state = fe->demodulator_priv; *ber = 0; return 0; @@ -329,7 +304,6 @@ lgs8gl5_read_snr(struct dvb_frontend *fe, u16 *snr) static int lgs8gl5_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { - struct lgs8gl5_state *state = fe->demodulator_priv; *ucblocks = 0; return 0; -- GitLab From 05d26cc894cb42f5c71eaf667d700dd632745cd9 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Wed, 20 Aug 2008 20:44:54 -0300 Subject: [PATCH 3768/6244] V4L/DVB (8680): saa7134-core.c: fix warning drivers/media/video/saa7134/saa7134-core.c:366: warning: 'saa7134_buffer_requeue' defined but not used Signed-off-by: Alexander Beregalov Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-core.c | 52 +++++++++++----------- 1 file changed, 26 insertions(+), 26 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 75d618415f4f..64f20fd4631f 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -359,32 +359,6 @@ void saa7134_buffer_timeout(unsigned long data) spin_unlock_irqrestore(&dev->slock,flags); } -/* resends a current buffer in queue after resume */ - -static int saa7134_buffer_requeue(struct saa7134_dev *dev, - struct saa7134_dmaqueue *q) -{ - struct saa7134_buf *buf, *next; - - assert_spin_locked(&dev->slock); - - buf = q->curr; - next = buf; - dprintk("buffer_requeue\n"); - - if (!buf) - return 0; - - dprintk("buffer_requeue : resending active buffers \n"); - - if (!list_empty(&q->queue)) - next = list_entry(q->queue.next, struct saa7134_buf, - vb.queue); - buf->activate(dev, buf, next); - - return 0; -} - /* ------------------------------------------------------------------ */ int saa7134_set_dmabits(struct saa7134_dev *dev) @@ -1139,6 +1113,32 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev) } #ifdef CONFIG_PM + +/* resends a current buffer in queue after resume */ +static int saa7134_buffer_requeue(struct saa7134_dev *dev, + struct saa7134_dmaqueue *q) +{ + struct saa7134_buf *buf, *next; + + assert_spin_locked(&dev->slock); + + buf = q->curr; + next = buf; + dprintk("buffer_requeue\n"); + + if (!buf) + return 0; + + dprintk("buffer_requeue : resending active buffers \n"); + + if (!list_empty(&q->queue)) + next = list_entry(q->queue.next, struct saa7134_buf, + vb.queue); + buf->activate(dev, buf, next); + + return 0; +} + static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) { -- GitLab From 9cc6493d4b5b06e976e527737301d90044037b57 Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Thu, 14 Aug 2008 11:36:37 -0300 Subject: [PATCH 3769/6244] V4L/DVB (8683): Add Micron mt9m111 chip ID in V4L2 identifiers Signed-off-by: Robert Jarzmik Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-chip-ident.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index be782d5fcfa8..d73a8e9028a5 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -165,6 +165,7 @@ enum { /* Micron CMOS sensor chips: 45000-45099 */ V4L2_IDENT_MT9M001C12ST = 45000, V4L2_IDENT_MT9M001C12STM = 45005, + V4L2_IDENT_MT9M111 = 45007, V4L2_IDENT_MT9V022IX7ATC = 45010, /* No way to detect "normal" I77ATx */ V4L2_IDENT_MT9V022IX7ATM = 45015, /* and "lead free" IA7ATx chips */ }; -- GitLab From 77110abbfbfd7673be6d18ef0875350eabee7532 Mon Sep 17 00:00:00 2001 From: Robert Jarzmik Date: Thu, 14 Aug 2008 12:02:51 -0300 Subject: [PATCH 3770/6244] V4L/DVB (8684): Add support for Micron MT9M111 camera. Adds support for Micron MT9M111 camera chip, with basic features : - view rectangle configurable - some output formats (bayer8, bayer10, rgb565, rgb555, ycbycr) - autoexposure - only highpower mode context used (ie. context B) create mode 100644 drivers/media/video/mt9m111.c Signed-off-by: Robert Jarzmik Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 6 + drivers/media/video/Makefile | 1 + drivers/media/video/mt9m111.c | 960 ++++++++++++++++++++++++++++++++++ 3 files changed, 967 insertions(+) create mode 100644 drivers/media/video/mt9m111.c diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 367666db5bfc..6ebe9f1aca04 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -809,6 +809,12 @@ config MT9M001_PCA9536_SWITCH Select this if your MT9M001 camera uses a PCA9536 I2C GPIO extender to switch between 8 and 10 bit datawidth modes +config SOC_CAMERA_MT9M111 + tristate "mt9m001 support" + depends on SOC_CAMERA && I2C + help + This driver supports MT9M111 cameras from Micron + config SOC_CAMERA_MT9V022 tristate "mt9v022 support" depends on SOC_CAMERA && I2C diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index ef7c8d3ffb18..d234db7c4e06 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -137,6 +137,7 @@ obj-$(CONFIG_VIDEO_PXA27x) += pxa_camera.o obj-$(CONFIG_VIDEO_SH_MOBILE_CEU) += sh_mobile_ceu_camera.o obj-$(CONFIG_SOC_CAMERA) += soc_camera.o obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o +obj-$(CONFIG_SOC_CAMERA_MT9M111) += mt9m111.o obj-$(CONFIG_SOC_CAMERA_MT9V022) += mt9v022.o obj-$(CONFIG_SOC_CAMERA_PLATFORM) += soc_camera_platform.o diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c new file mode 100644 index 000000000000..0c88e5d6dc44 --- /dev/null +++ b/drivers/media/video/mt9m111.c @@ -0,0 +1,960 @@ +/* + * Driver for MT9M111 CMOS Image Sensor from Micron + * + * Copyright (C) 2008, Robert Jarzmik + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +/* + * mt9m111 i2c address is 0x5d or 0x48 (depending on SAddr pin) + * The platform has to define i2c_board_info and call i2c_register_board_info() + */ + +/* mt9m111: Sensor register addresses */ +#define MT9M111_CHIP_VERSION 0x000 +#define MT9M111_ROW_START 0x001 +#define MT9M111_COLUMN_START 0x002 +#define MT9M111_WINDOW_HEIGHT 0x003 +#define MT9M111_WINDOW_WIDTH 0x004 +#define MT9M111_HORIZONTAL_BLANKING_B 0x005 +#define MT9M111_VERTICAL_BLANKING_B 0x006 +#define MT9M111_HORIZONTAL_BLANKING_A 0x007 +#define MT9M111_VERTICAL_BLANKING_A 0x008 +#define MT9M111_SHUTTER_WIDTH 0x009 +#define MT9M111_ROW_SPEED 0x00a +#define MT9M111_EXTRA_DELAY 0x00b +#define MT9M111_SHUTTER_DELAY 0x00c +#define MT9M111_RESET 0x00d +#define MT9M111_READ_MODE_B 0x020 +#define MT9M111_READ_MODE_A 0x021 +#define MT9M111_FLASH_CONTROL 0x023 +#define MT9M111_GREEN1_GAIN 0x02b +#define MT9M111_BLUE_GAIN 0x02c +#define MT9M111_RED_GAIN 0x02d +#define MT9M111_GREEN2_GAIN 0x02e +#define MT9M111_GLOBAL_GAIN 0x02f +#define MT9M111_CONTEXT_CONTROL 0x0c8 +#define MT9M111_PAGE_MAP 0x0f0 +#define MT9M111_BYTE_WISE_ADDR 0x0f1 + +#define MT9M111_RESET_SYNC_CHANGES (1 << 15) +#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9) +#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8) +#define MT9M111_RESET_RESET_SOC (1 << 5) +#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4) +#define MT9M111_RESET_CHIP_ENABLE (1 << 3) +#define MT9M111_RESET_ANALOG_STANDBY (1 << 2) +#define MT9M111_RESET_RESTART_FRAME (1 << 1) +#define MT9M111_RESET_RESET_MODE (1 << 0) + +#define MT9M111_RMB_MIRROR_COLS (1 << 1) +#define MT9M111_RMB_MIRROR_ROWS (1 << 0) +#define MT9M111_CTXT_CTRL_RESTART (1 << 15) +#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12) +#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10) +#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9) +#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8) +#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7) +#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3) +#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) +#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) +#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) +/* + * mt9m111: Colorpipe register addresses (0x100..0x1ff) + */ +#define MT9M111_OPER_MODE_CTRL 0x106 +#define MT9M111_OUTPUT_FORMAT_CTRL 0x108 +#define MT9M111_REDUCER_XZOOM_B 0x1a0 +#define MT9M111_REDUCER_XSIZE_B 0x1a1 +#define MT9M111_REDUCER_YZOOM_B 0x1a3 +#define MT9M111_REDUCER_YSIZE_B 0x1a4 +#define MT9M111_REDUCER_XZOOM_A 0x1a6 +#define MT9M111_REDUCER_XSIZE_A 0x1a7 +#define MT9M111_REDUCER_YZOOM_A 0x1a9 +#define MT9M111_REDUCER_YSIZE_A 0x1aa + +#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a +#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b + +#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14) + + +#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14) +#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10) +#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9) +#define MT9M111_OUTFMT_RGB (1 << 8) +#define MT9M111_OUTFMT_RGB565 (0x0 << 6) +#define MT9M111_OUTFMT_RGB555 (0x1 << 6) +#define MT9M111_OUTFMT_RGB444x (0x2 << 6) +#define MT9M111_OUTFMT_RGBx444 (0x3 << 6) +#define MT9M111_OUTFMT_TST_RAMP_OFF (0x0 << 4) +#define MT9M111_OUTFMT_TST_RAMP_COL (0x1 << 4) +#define MT9M111_OUTFMT_TST_RAMP_ROW (0x2 << 4) +#define MT9M111_OUTFMT_TST_RAMP_FRAME (0x3 << 4) +#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3) +#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2) +#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1) +#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1) +#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0) +/* + * mt9m111: Camera control register addresses (0x200..0x2ff not implemented) + */ + +#define reg_read(reg) mt9m111_reg_read(icd, MT9M111_##reg) +#define reg_write(reg, val) mt9m111_reg_write(icd, MT9M111_##reg, (val)) +#define reg_set(reg, val) mt9m111_reg_set(icd, MT9M111_##reg, (val)) +#define reg_clear(reg, val) mt9m111_reg_clear(icd, MT9M111_##reg, (val)) + +#define MT9M111_MIN_DARK_ROWS 8 +#define MT9M111_MIN_DARK_COLS 24 +#define MT9M111_MAX_HEIGHT 1024 +#define MT9M111_MAX_WIDTH 1280 + +#define COL_FMT(_name, _depth, _fourcc, _colorspace) \ + { .name = _name, .depth = _depth, .fourcc = _fourcc, \ + .colorspace = _colorspace } +#define RGB_FMT(_name, _depth, _fourcc) \ + COL_FMT(_name, _depth, _fourcc, V4L2_COLORSPACE_SRGB) + +static const struct soc_camera_data_format mt9m111_colour_formats[] = { + COL_FMT("YCrYCb 8 bit", 8, V4L2_PIX_FMT_YUYV, V4L2_COLORSPACE_JPEG), + RGB_FMT("RGB 565", 16, V4L2_PIX_FMT_RGB565), + RGB_FMT("RGB 555", 16, V4L2_PIX_FMT_RGB555), + RGB_FMT("Bayer (sRGB) 10 bit", 10, V4L2_PIX_FMT_SBGGR16), + RGB_FMT("Bayer (sRGB) 8 bit", 8, V4L2_PIX_FMT_SBGGR8), +}; + +enum mt9m111_context { + HIGHPOWER = 0, + LOWPOWER, +}; + +struct mt9m111 { + struct i2c_client *client; + struct soc_camera_device icd; + int model; /* V4L2_IDENT_MT9M111* codes from v4l2-chip-ident.h */ + enum mt9m111_context context; + unsigned int left, top, width, height; + u32 pixfmt; + unsigned char autoexposure; + unsigned char datawidth; + unsigned int powered:1; + unsigned int hflip:1; + unsigned int vflip:1; + unsigned int swap_rgb_even_odd:1; + unsigned int swap_rgb_red_blue:1; + unsigned int swap_yuv_y_chromas:1; + unsigned int swap_yuv_cb_cr:1; +}; + +static int reg_page_map_set(struct i2c_client *client, const u16 reg) +{ + int ret; + u16 page; + static int lastpage = -1; /* PageMap cache value */ + + page = (reg >> 8); + if (page == lastpage) + return 0; + if (page > 2) + return -EINVAL; + + ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); + if (ret >= 0) + lastpage = page; + return ret; +} + +static int mt9m111_reg_read(struct soc_camera_device *icd, const u16 reg) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + struct i2c_client *client = mt9m111->client; + int ret; + + ret = reg_page_map_set(client, reg); + if (!ret) + ret = swab16(i2c_smbus_read_word_data(client, (reg & 0xff))); + + dev_dbg(&icd->dev, "read reg.%03x -> %04x\n", reg, ret); + return ret; +} + +static int mt9m111_reg_write(struct soc_camera_device *icd, const u16 reg, + const u16 data) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + struct i2c_client *client = mt9m111->client; + int ret; + + ret = reg_page_map_set(client, reg); + if (ret >= 0) + ret = i2c_smbus_write_word_data(mt9m111->client, (reg & 0xff), + swab16(data)); + dev_dbg(&icd->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); + return ret; +} + +static int mt9m111_reg_set(struct soc_camera_device *icd, const u16 reg, + const u16 data) +{ + int ret; + + ret = mt9m111_reg_read(icd, reg); + if (ret >= 0) + ret = mt9m111_reg_write(icd, reg, ret | data); + return ret; +} + +static int mt9m111_reg_clear(struct soc_camera_device *icd, const u16 reg, + const u16 data) +{ + int ret; + + ret = mt9m111_reg_read(icd, reg); + return mt9m111_reg_write(icd, reg, ret & ~data); +} + +static int mt9m111_set_context(struct soc_camera_device *icd, + enum mt9m111_context ctxt) +{ + int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B + | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B + | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B + | MT9M111_CTXT_CTRL_VBLANK_SEL_B + | MT9M111_CTXT_CTRL_HBLANK_SEL_B; + int valA = MT9M111_CTXT_CTRL_RESTART; + + if (ctxt == HIGHPOWER) + return reg_write(CONTEXT_CONTROL, valB); + else + return reg_write(CONTEXT_CONTROL, valA); +} + +static int mt9m111_setup_rect(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret = 0, is_raw_format; + int width = mt9m111->width; + int height = mt9m111->height; + + if ((mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR8) + || (mt9m111->pixfmt == V4L2_PIX_FMT_SBGGR16)) + is_raw_format = 1; + else + is_raw_format = 0; + + if (ret >= 0) + ret = reg_write(COLUMN_START, mt9m111->left); + if (ret >= 0) + ret = reg_write(ROW_START, mt9m111->top); + + if (is_raw_format) { + if (ret >= 0) + ret = reg_write(WINDOW_WIDTH, width); + if (ret >= 0) + ret = reg_write(WINDOW_HEIGHT, height); + } else { + if (ret >= 0) + ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); + if (ret >= 0) + ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); + if (ret >= 0) + ret = reg_write(REDUCER_XSIZE_B, width); + if (ret >= 0) + ret = reg_write(REDUCER_YSIZE_B, height); + if (ret >= 0) + ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); + if (ret >= 0) + ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); + if (ret >= 0) + ret = reg_write(REDUCER_XSIZE_A, width); + if (ret >= 0) + ret = reg_write(REDUCER_YSIZE_A, height); + } + + return ret; +} + +static int mt9m111_setup_pixfmt(struct soc_camera_device *icd, u16 outfmt) +{ + int ret; + + ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt); + if (ret >= 0) + ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt); + return ret; +} + +static int mt9m111_setfmt_bayer8(struct soc_camera_device *icd) +{ + return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_PROCESSED_BAYER); +} + +static int mt9m111_setfmt_bayer10(struct soc_camera_device *icd) +{ + + return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_BYPASS_IFP); +} + +static int mt9m111_setfmt_rgb565(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int val = 0; + + if (mt9m111->swap_rgb_red_blue) + val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; + if (mt9m111->swap_rgb_even_odd) + val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; + val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565; + + return mt9m111_setup_pixfmt(icd, val); +} + +static int mt9m111_setfmt_rgb555(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int val = 0; + + if (mt9m111->swap_rgb_red_blue) + val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; + if (mt9m111->swap_rgb_even_odd) + val |= MT9M111_OUTFMT_SWAP_RGB_EVEN; + val |= MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555; + + return mt9m111_setup_pixfmt(icd, val); +} + +static int mt9m111_setfmt_yuv(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int val = 0; + + if (mt9m111->swap_yuv_cb_cr) + val |= MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr; + if (mt9m111->swap_yuv_y_chromas) + val |= MT9M111_OUTFMT_SWAP_YCbCr_C_Y; + + return mt9m111_setup_pixfmt(icd, val); +} + +static int mt9m111_enable(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); + if (ret >= 0) + mt9m111->powered = 1; + return ret; +} + +static int mt9m111_disable(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE); + if (ret >= 0) + mt9m111->powered = 0; + return ret; +} + +static int mt9m111_reset(struct soc_camera_device *icd) +{ + int ret; + + ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); + if (ret >= 0) + ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); + if (ret >= 0) + ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE + | MT9M111_RESET_RESET_SOC); + return ret; +} + +static int mt9m111_start_capture(struct soc_camera_device *icd) +{ + return 0; +} + +static int mt9m111_stop_capture(struct soc_camera_device *icd) +{ + return 0; +} + +static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd) +{ + return SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING | + SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH | + SOCAM_DATAWIDTH_8; +} + +static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) +{ + return 0; +} + +static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret = 0; + + switch (pixfmt) { + case V4L2_PIX_FMT_SBGGR8: + ret = mt9m111_setfmt_bayer8(icd); + break; + case V4L2_PIX_FMT_SBGGR16: + ret = mt9m111_setfmt_bayer10(icd); + break; + case V4L2_PIX_FMT_RGB555: + ret = mt9m111_setfmt_rgb555(icd); + break; + case V4L2_PIX_FMT_RGB565: + ret = mt9m111_setfmt_rgb565(icd); + break; + case V4L2_PIX_FMT_YUYV: + ret = mt9m111_setfmt_yuv(icd); + break; + default: + dev_err(&icd->dev, "Pixel format not handled : %x\n", pixfmt); + ret = -EINVAL; + } + + if (ret >= 0) + mt9m111->pixfmt = pixfmt; + + return ret; +} + +static int mt9m111_set_fmt_cap(struct soc_camera_device *icd, + __u32 pixfmt, struct v4l2_rect *rect) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret = 0; + + mt9m111->left = rect->left; + mt9m111->top = rect->top; + mt9m111->width = rect->width; + mt9m111->height = rect->height; + + dev_dbg(&icd->dev, "%s fmt=%x left=%d, top=%d, width=%d, height=%d\n", + __func__, pixfmt, mt9m111->left, mt9m111->top, mt9m111->width, + mt9m111->height); + + ret = mt9m111_setup_rect(icd); + if (ret >= 0) + ret = mt9m111_set_pixfmt(icd, pixfmt); + return ret < 0 ? ret : 0; +} + +static int mt9m111_try_fmt_cap(struct soc_camera_device *icd, + struct v4l2_format *f) +{ + if (f->fmt.pix.height > MT9M111_MAX_HEIGHT) + f->fmt.pix.height = MT9M111_MAX_HEIGHT; + if (f->fmt.pix.width > MT9M111_MAX_WIDTH) + f->fmt.pix.width = MT9M111_MAX_WIDTH; + + return 0; +} + +static int mt9m111_get_chip_id(struct soc_camera_device *icd, + struct v4l2_chip_ident *id) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + + if (id->match_type != V4L2_CHIP_MATCH_I2C_ADDR) + return -EINVAL; + + if (id->match_chip != mt9m111->client->addr) + return -ENODEV; + + id->ident = mt9m111->model; + id->revision = 0; + + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int mt9m111_get_register(struct soc_camera_device *icd, + struct v4l2_register *reg) +{ + int val; + + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + + if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) + return -EINVAL; + if (reg->match_chip != mt9m111->client->addr) + return -ENODEV; + + val = mt9m111_reg_read(icd, reg->reg); + reg->val = (u64)val; + + if (reg->val > 0xffff) + return -EIO; + + return 0; +} + +static int mt9m111_set_register(struct soc_camera_device *icd, + struct v4l2_register *reg) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + + if (reg->match_type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff) + return -EINVAL; + + if (reg->match_chip != mt9m111->client->addr) + return -ENODEV; + + if (mt9m111_reg_write(icd, reg->reg, reg->val) < 0) + return -EIO; + + return 0; +} +#endif + +static const struct v4l2_queryctrl mt9m111_controls[] = { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Flip Verticaly", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Flip Horizontaly", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, { /* gain = 1/32*val (=>gain=1 if val==32) */ + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0, + .maximum = 63 * 2 * 2, + .step = 1, + .default_value = 32, + .flags = V4L2_CTRL_FLAG_SLIDER, + }, { + .id = V4L2_CID_EXPOSURE_AUTO, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Auto Exposure", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + } +}; + +static int mt9m111_video_probe(struct soc_camera_device *); +static void mt9m111_video_remove(struct soc_camera_device *); +static int mt9m111_get_control(struct soc_camera_device *, + struct v4l2_control *); +static int mt9m111_set_control(struct soc_camera_device *, + struct v4l2_control *); +static int mt9m111_resume(struct soc_camera_device *icd); +static int mt9m111_init(struct soc_camera_device *icd); +static int mt9m111_release(struct soc_camera_device *icd); + +static struct soc_camera_ops mt9m111_ops = { + .owner = THIS_MODULE, + .probe = mt9m111_video_probe, + .remove = mt9m111_video_remove, + .init = mt9m111_init, + .resume = mt9m111_resume, + .release = mt9m111_release, + .start_capture = mt9m111_start_capture, + .stop_capture = mt9m111_stop_capture, + .set_fmt_cap = mt9m111_set_fmt_cap, + .try_fmt_cap = mt9m111_try_fmt_cap, + .query_bus_param = mt9m111_query_bus_param, + .set_bus_param = mt9m111_set_bus_param, + .controls = mt9m111_controls, + .num_controls = ARRAY_SIZE(mt9m111_controls), + .get_control = mt9m111_get_control, + .set_control = mt9m111_set_control, + .get_chip_id = mt9m111_get_chip_id, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .get_register = mt9m111_get_register, + .set_register = mt9m111_set_register, +#endif +}; + +static int mt9m111_set_flip(struct soc_camera_device *icd, int flip, int mask) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + if (mt9m111->context == HIGHPOWER) { + if (flip) + ret = reg_set(READ_MODE_B, mask); + else + ret = reg_clear(READ_MODE_B, mask); + } else { + if (flip) + ret = reg_set(READ_MODE_A, mask); + else + ret = reg_clear(READ_MODE_A, mask); + } + + return ret; +} + +static int mt9m111_get_global_gain(struct soc_camera_device *icd) +{ + unsigned int data, gain; + + data = reg_read(GLOBAL_GAIN); + if (data >= 0) + gain = ((data & (1 << 10)) * 2) + | ((data & (1 << 9)) * 2) + | (data & 0x2f); + else + gain = data; + + return gain; +} +static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain) +{ + u16 val; + + if (gain > 63 * 2 * 2) + return -EINVAL; + + icd->gain = gain; + if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) + val = (1 << 10) | (1 << 9) | (gain / 4); + else if ((gain >= 64) && (gain < 64 * 2)) + val = (1<<9) | (gain / 2); + else + val = gain; + + return reg_write(GLOBAL_GAIN, val); +} + +static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + if (on) + ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); + else + ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); + + if (ret >= 0) + mt9m111->autoexposure = on; + + return ret; +} +static int mt9m111_get_control(struct soc_camera_device *icd, + struct v4l2_control *ctrl) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int data; + + switch (ctrl->id) { + case V4L2_CID_VFLIP: + if (mt9m111->context == HIGHPOWER) + data = reg_read(READ_MODE_B); + else + data = reg_read(READ_MODE_A); + + if (data < 0) + return -EIO; + ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS); + break; + case V4L2_CID_HFLIP: + if (mt9m111->context == HIGHPOWER) + data = reg_read(READ_MODE_B); + else + data = reg_read(READ_MODE_A); + + if (data < 0) + return -EIO; + ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS); + break; + case V4L2_CID_GAIN: + data = mt9m111_get_global_gain(icd); + if (data < 0) + return data; + ctrl->value = data; + break; + case V4L2_CID_EXPOSURE_AUTO: + ctrl->value = mt9m111->autoexposure; + break; + } + return 0; +} + +static int mt9m111_set_control(struct soc_camera_device *icd, + struct v4l2_control *ctrl) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + const struct v4l2_queryctrl *qctrl; + int ret = 0; + + qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); + + if (!qctrl) + return -EINVAL; + + switch (ctrl->id) { + case V4L2_CID_VFLIP: + mt9m111->vflip = ctrl->value; + ret = mt9m111_set_flip(icd, ctrl->value, + MT9M111_RMB_MIRROR_ROWS); + break; + case V4L2_CID_HFLIP: + mt9m111->hflip = ctrl->value; + ret = mt9m111_set_flip(icd, ctrl->value, + MT9M111_RMB_MIRROR_COLS); + break; + case V4L2_CID_GAIN: + ret = mt9m111_set_global_gain(icd, ctrl->value); + break; + case V4L2_CID_EXPOSURE_AUTO: + ret = mt9m111_set_autoexposure(icd, ctrl->value); + break; + default: + ret = -EINVAL; + } + + return ret < 0 ? -EIO : 0; +} + +int mt9m111_restore_state(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + + mt9m111_set_context(icd, mt9m111->context); + mt9m111_set_pixfmt(icd, mt9m111->pixfmt); + mt9m111_setup_rect(icd); + mt9m111_set_flip(icd, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS); + mt9m111_set_flip(icd, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS); + mt9m111_set_global_gain(icd, icd->gain); + mt9m111_set_autoexposure(icd, mt9m111->autoexposure); + return 0; +} + +static int mt9m111_resume(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret = 0; + + if (mt9m111->powered) { + ret = mt9m111_enable(icd); + if (ret >= 0) + mt9m111_reset(icd); + if (ret >= 0) + mt9m111_restore_state(icd); + } + return ret; +} + +static int mt9m111_init(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + int ret; + + mt9m111->context = HIGHPOWER; + ret = mt9m111_enable(icd); + if (ret >= 0) + mt9m111_reset(icd); + if (ret >= 0) + mt9m111_set_context(icd, mt9m111->context); + if (ret >= 0) + mt9m111_set_autoexposure(icd, mt9m111->autoexposure); + if (ret < 0) + dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret); + return ret ? -EIO : 0; +} + +static int mt9m111_release(struct soc_camera_device *icd) +{ + int ret; + + ret = mt9m111_disable(icd); + if (ret < 0) + dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret); + + return ret ? -EIO : 0; +} + +/* + * Interface active, can use i2c. If it fails, it can indeed mean, that + * this wasn't our capture interface, so, we wait for the right one + */ +static int mt9m111_video_probe(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + s32 data; + int ret; + + /* + * We must have a parent by now. And it cannot be a wrong one. + * So this entire test is completely redundant. + */ + if (!icd->dev.parent || + to_soc_camera_host(icd->dev.parent)->nr != icd->iface) + return -ENODEV; + + ret = mt9m111_enable(icd); + if (ret) + goto ei2c; + ret = mt9m111_reset(icd); + if (ret) + goto ei2c; + + data = reg_read(CHIP_VERSION); + + switch (data) { + case 0x143a: + mt9m111->model = V4L2_IDENT_MT9M111; + icd->formats = mt9m111_colour_formats; + icd->num_formats = ARRAY_SIZE(mt9m111_colour_formats); + break; + default: + ret = -ENODEV; + dev_err(&icd->dev, + "No MT9M111 chip detected, register read %x\n", data); + goto ei2c; + } + + dev_info(&icd->dev, "Detected a MT9M111 chip ID 0x143a\n"); + + ret = soc_camera_video_start(icd); + if (ret) + goto eisis; + + mt9m111->autoexposure = 1; + + mt9m111->swap_rgb_even_odd = 1; + mt9m111->swap_rgb_red_blue = 1; + + return 0; +eisis: +ei2c: + return ret; +} + +static void mt9m111_video_remove(struct soc_camera_device *icd) +{ + struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + + dev_dbg(&icd->dev, "Video %x removed: %p, %p\n", mt9m111->client->addr, + mt9m111->icd.dev.parent, mt9m111->icd.vdev); + soc_camera_video_stop(&mt9m111->icd); +} + +static int mt9m111_probe(struct i2c_client *client, + const struct i2c_device_id *did) +{ + struct mt9m111 *mt9m111; + struct soc_camera_device *icd; + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + struct soc_camera_link *icl = client->dev.platform_data; + int ret; + + if (!icl) { + dev_err(&client->dev, "MT9M111 driver needs platform data\n"); + return -EINVAL; + } + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) { + dev_warn(&adapter->dev, + "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n"); + return -EIO; + } + + mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL); + if (!mt9m111) + return -ENOMEM; + + mt9m111->client = client; + i2c_set_clientdata(client, mt9m111); + + /* Second stage probe - when a capture adapter is there */ + icd = &mt9m111->icd; + icd->ops = &mt9m111_ops; + icd->control = &client->dev; + icd->x_min = MT9M111_MIN_DARK_COLS; + icd->y_min = MT9M111_MIN_DARK_ROWS; + icd->x_current = icd->x_min; + icd->y_current = icd->y_min; + icd->width_min = MT9M111_MIN_DARK_ROWS; + icd->width_max = MT9M111_MAX_WIDTH; + icd->height_min = MT9M111_MIN_DARK_COLS; + icd->height_max = MT9M111_MAX_HEIGHT; + icd->y_skip_top = 0; + icd->iface = icl->bus_id; + + ret = soc_camera_device_register(icd); + if (ret) + goto eisdr; + return 0; + +eisdr: + kfree(mt9m111); + return ret; +} + +static int mt9m111_remove(struct i2c_client *client) +{ + struct mt9m111 *mt9m111 = i2c_get_clientdata(client); + soc_camera_device_unregister(&mt9m111->icd); + kfree(mt9m111); + + return 0; +} + +static const struct i2c_device_id mt9m111_id[] = { + { "mt9m111", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, mt9m111_id); + +static struct i2c_driver mt9m111_i2c_driver = { + .driver = { + .name = "mt9m111", + }, + .probe = mt9m111_probe, + .remove = mt9m111_remove, + .id_table = mt9m111_id, +}; + +static int __init mt9m111_mod_init(void) +{ + return i2c_add_driver(&mt9m111_i2c_driver); +} + +static void __exit mt9m111_mod_exit(void) +{ + i2c_del_driver(&mt9m111_i2c_driver); +} + +module_init(mt9m111_mod_init); +module_exit(mt9m111_mod_exit); + +MODULE_DESCRIPTION("Micron MT9M111 Camera driver"); +MODULE_AUTHOR("Robert Jarzmik"); +MODULE_LICENSE("GPL"); -- GitLab From 112116410aaab5310a9a279c71fb76605236e448 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Thu, 14 Aug 2008 12:03:18 -0300 Subject: [PATCH 3771/6244] V4L/DVB (8685): mt9m001, mt9v022: Simplify return code checking i2c_smbus_write_word_data() returns 0 or a negative error, hence no need to check for "> 0". Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mt9m001.c | 24 ++++++++++++------------ drivers/media/video/mt9v022.c | 28 ++++++++++++++-------------- 2 files changed, 26 insertions(+), 26 deletions(-) diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 554d2295484e..3531f9352dff 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -119,16 +119,16 @@ static int mt9m001_init(struct soc_camera_device *icd) { int ret; - /* Disable chip, synchronous option update */ dev_dbg(icd->vdev->parent, "%s\n", __func__); ret = reg_write(icd, MT9M001_RESET, 1); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_RESET, 0); - if (ret >= 0) + /* Disable chip, synchronous option update */ + if (!ret) ret = reg_write(icd, MT9M001_OUTPUT_CONTROL, 0); - return ret >= 0 ? 0 : -EIO; + return ret; } static int mt9m001_release(struct soc_camera_device *icd) @@ -267,24 +267,24 @@ static int mt9m001_set_fmt_cap(struct soc_camera_device *icd, /* Blanking and start values - default... */ ret = reg_write(icd, MT9M001_HORIZONTAL_BLANKING, hblank); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_VERTICAL_BLANKING, vblank); /* The caller provides a supported format, as verified per * call to icd->try_fmt_cap() */ - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_COLUMN_START, rect->left); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_ROW_START, rect->top); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_WINDOW_WIDTH, rect->width - 1); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9M001_WINDOW_HEIGHT, rect->height + icd->y_skip_top - 1); - if (ret >= 0 && mt9m001->autoexposure) { + if (!ret && mt9m001->autoexposure) { ret = reg_write(icd, MT9M001_SHUTTER_WIDTH, rect->height + icd->y_skip_top + vblank); - if (ret >= 0) { + if (!ret) { const struct v4l2_queryctrl *qctrl = soc_camera_find_qctrl(icd->ops, V4L2_CID_EXPOSURE); @@ -295,7 +295,7 @@ static int mt9m001_set_fmt_cap(struct soc_camera_device *icd, } } - return ret < 0 ? ret : 0; + return ret; } static int mt9m001_try_fmt_cap(struct soc_camera_device *icd, diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c index 56808cd2f8a9..0f4b204667e0 100644 --- a/drivers/media/video/mt9v022.c +++ b/drivers/media/video/mt9v022.c @@ -141,22 +141,22 @@ static int mt9v022_init(struct soc_camera_device *icd) * plus snapshot mode to disable scan for now */ mt9v022->chip_control |= 0x10; ret = reg_write(icd, MT9V022_CHIP_CONTROL, mt9v022->chip_control); - if (ret >= 0) - reg_write(icd, MT9V022_READ_MODE, 0x300); + if (!ret) + ret = reg_write(icd, MT9V022_READ_MODE, 0x300); /* All defaults */ - if (ret >= 0) + if (!ret) /* AEC, AGC on */ ret = reg_set(icd, MT9V022_AEC_AGC_ENABLE, 0x3); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_MAX_TOTAL_SHUTTER_WIDTH, 480); - if (ret >= 0) + if (!ret) /* default - auto */ ret = reg_clear(icd, MT9V022_BLACK_LEVEL_CALIB_CTRL, 1); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_DIGITAL_TEST_PATTERN, 0); - return ret >= 0 ? 0 : -EIO; + return ret; } static int mt9v022_release(struct soc_camera_device *icd) @@ -352,21 +352,21 @@ static int mt9v022_set_fmt_cap(struct soc_camera_device *icd, rect->height + icd->y_skip_top + 43); } /* Setup frame format: defaults apart from width and height */ - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_COLUMN_START, rect->left); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_ROW_START, rect->top); - if (ret >= 0) + if (!ret) /* Default 94, Phytec driver says: * "width + horizontal blank >= 660" */ ret = reg_write(icd, MT9V022_HORIZONTAL_BLANKING, rect->width > 660 - 43 ? 43 : 660 - rect->width); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_VERTICAL_BLANKING, 45); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_WINDOW_WIDTH, rect->width); - if (ret >= 0) + if (!ret) ret = reg_write(icd, MT9V022_WINDOW_HEIGHT, rect->height + icd->y_skip_top); @@ -717,7 +717,7 @@ static int mt9v022_video_probe(struct soc_camera_device *icd) icd->num_formats = 1; } - if (ret >= 0) + if (!ret) ret = soc_camera_video_start(icd); if (ret < 0) goto eisis; -- GitLab From 506c629a8eb95a3232a0aafa3b80903224ccc461 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Thu, 14 Aug 2008 12:03:49 -0300 Subject: [PATCH 3772/6244] V4L/DVB (8686): mt9m111: style cleanup Fix a typo in Kconfig, simplify error checking, further minor cleanup. Tested-by: Robert Jarzmik Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 2 +- drivers/media/video/mt9m111.c | 86 +++++++++++++++++------------------ 2 files changed, 43 insertions(+), 45 deletions(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 6ebe9f1aca04..37123ff20fc5 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -810,7 +810,7 @@ config MT9M001_PCA9536_SWITCH extender to switch between 8 and 10 bit datawidth modes config SOC_CAMERA_MT9M111 - tristate "mt9m001 support" + tristate "mt9m111 support" depends on SOC_CAMERA && I2C help This driver supports MT9M111 cameras from Micron diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 0c88e5d6dc44..d99932631050 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -173,7 +173,7 @@ static int reg_page_map_set(struct i2c_client *client, const u16 reg) return -EINVAL; ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page)); - if (ret >= 0) + if (!ret) lastpage = page; return ret; } @@ -200,7 +200,7 @@ static int mt9m111_reg_write(struct soc_camera_device *icd, const u16 reg, int ret; ret = reg_page_map_set(client, reg); - if (ret >= 0) + if (!ret) ret = i2c_smbus_write_word_data(mt9m111->client, (reg & 0xff), swab16(data)); dev_dbg(&icd->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret); @@ -246,7 +246,7 @@ static int mt9m111_set_context(struct soc_camera_device *icd, static int mt9m111_setup_rect(struct soc_camera_device *icd) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); - int ret = 0, is_raw_format; + int ret, is_raw_format; int width = mt9m111->width; int height = mt9m111->height; @@ -256,32 +256,31 @@ static int mt9m111_setup_rect(struct soc_camera_device *icd) else is_raw_format = 0; - if (ret >= 0) - ret = reg_write(COLUMN_START, mt9m111->left); - if (ret >= 0) + ret = reg_write(COLUMN_START, mt9m111->left); + if (!ret) ret = reg_write(ROW_START, mt9m111->top); if (is_raw_format) { - if (ret >= 0) + if (!ret) ret = reg_write(WINDOW_WIDTH, width); - if (ret >= 0) + if (!ret) ret = reg_write(WINDOW_HEIGHT, height); } else { - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_XSIZE_B, width); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_YSIZE_B, height); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_XSIZE_A, width); - if (ret >= 0) + if (!ret) ret = reg_write(REDUCER_YSIZE_A, height); } @@ -293,7 +292,7 @@ static int mt9m111_setup_pixfmt(struct soc_camera_device *icd, u16 outfmt) int ret; ret = reg_write(OUTPUT_FORMAT_CTRL2_A, outfmt); - if (ret >= 0) + if (!ret) ret = reg_write(OUTPUT_FORMAT_CTRL2_B, outfmt); return ret; } @@ -305,7 +304,6 @@ static int mt9m111_setfmt_bayer8(struct soc_camera_device *icd) static int mt9m111_setfmt_bayer10(struct soc_camera_device *icd) { - return mt9m111_setup_pixfmt(icd, MT9M111_OUTFMT_BYPASS_IFP); } @@ -356,7 +354,7 @@ static int mt9m111_enable(struct soc_camera_device *icd) int ret; ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); - if (ret >= 0) + if (!ret) mt9m111->powered = 1; return ret; } @@ -367,7 +365,7 @@ static int mt9m111_disable(struct soc_camera_device *icd) int ret; ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE); - if (ret >= 0) + if (!ret) mt9m111->powered = 0; return ret; } @@ -377,9 +375,9 @@ static int mt9m111_reset(struct soc_camera_device *icd) int ret; ret = reg_set(RESET, MT9M111_RESET_RESET_MODE); - if (ret >= 0) + if (!ret) ret = reg_set(RESET, MT9M111_RESET_RESET_SOC); - if (ret >= 0) + if (!ret) ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE | MT9M111_RESET_RESET_SOC); return ret; @@ -410,7 +408,7 @@ static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f) static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); - int ret = 0; + int ret; switch (pixfmt) { case V4L2_PIX_FMT_SBGGR8: @@ -433,7 +431,7 @@ static int mt9m111_set_pixfmt(struct soc_camera_device *icd, u32 pixfmt) ret = -EINVAL; } - if (ret >= 0) + if (!ret) mt9m111->pixfmt = pixfmt; return ret; @@ -443,7 +441,7 @@ static int mt9m111_set_fmt_cap(struct soc_camera_device *icd, __u32 pixfmt, struct v4l2_rect *rect) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); - int ret = 0; + int ret; mt9m111->left = rect->left; mt9m111->top = rect->top; @@ -455,9 +453,9 @@ static int mt9m111_set_fmt_cap(struct soc_camera_device *icd, mt9m111->height); ret = mt9m111_setup_rect(icd); - if (ret >= 0) + if (!ret) ret = mt9m111_set_pixfmt(icd, pixfmt); - return ret < 0 ? ret : 0; + return ret; } static int mt9m111_try_fmt_cap(struct soc_camera_device *icd, @@ -644,7 +642,7 @@ static int mt9m111_set_global_gain(struct soc_camera_device *icd, int gain) if ((gain >= 64 * 2) && (gain < 63 * 2 * 2)) val = (1 << 10) | (1 << 9) | (gain / 4); else if ((gain >= 64) && (gain < 64 * 2)) - val = (1<<9) | (gain / 2); + val = (1 << 9) | (gain / 2); else val = gain; @@ -661,7 +659,7 @@ static int mt9m111_set_autoexposure(struct soc_camera_device *icd, int on) else ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN); - if (ret >= 0) + if (!ret) mt9m111->autoexposure = on; return ret; @@ -711,7 +709,7 @@ static int mt9m111_set_control(struct soc_camera_device *icd, { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); const struct v4l2_queryctrl *qctrl; - int ret = 0; + int ret; qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id); @@ -739,7 +737,7 @@ static int mt9m111_set_control(struct soc_camera_device *icd, ret = -EINVAL; } - return ret < 0 ? -EIO : 0; + return ret; } int mt9m111_restore_state(struct soc_camera_device *icd) @@ -763,10 +761,10 @@ static int mt9m111_resume(struct soc_camera_device *icd) if (mt9m111->powered) { ret = mt9m111_enable(icd); - if (ret >= 0) - mt9m111_reset(icd); - if (ret >= 0) - mt9m111_restore_state(icd); + if (!ret) + ret = mt9m111_reset(icd); + if (!ret) + ret = mt9m111_restore_state(icd); } return ret; } @@ -778,15 +776,15 @@ static int mt9m111_init(struct soc_camera_device *icd) mt9m111->context = HIGHPOWER; ret = mt9m111_enable(icd); - if (ret >= 0) - mt9m111_reset(icd); - if (ret >= 0) - mt9m111_set_context(icd, mt9m111->context); - if (ret >= 0) - mt9m111_set_autoexposure(icd, mt9m111->autoexposure); - if (ret < 0) + if (!ret) + ret = mt9m111_reset(icd); + if (!ret) + ret = mt9m111_set_context(icd, mt9m111->context); + if (!ret) + ret = mt9m111_set_autoexposure(icd, mt9m111->autoexposure); + if (ret) dev_err(&icd->dev, "mt9m111 init failed: %d\n", ret); - return ret ? -EIO : 0; + return ret; } static int mt9m111_release(struct soc_camera_device *icd) @@ -797,7 +795,7 @@ static int mt9m111_release(struct soc_camera_device *icd) if (ret < 0) dev_err(&icd->dev, "mt9m111 release failed: %d\n", ret); - return ret ? -EIO : 0; + return ret; } /* -- GitLab From 81034663159f39d005316b5c139038459cd16721 Mon Sep 17 00:00:00 2001 From: Stefan Herbrechtsmeier Date: Thu, 14 Aug 2008 12:04:11 -0300 Subject: [PATCH 3773/6244] V4L/DVB (8687): soc-camera: Move .power and .reset from soc_camera host to sensor driver Make .power and .reset callbacks per camera instead of per host, also move their invocation to camera drivers. .arch/arm/mach-pxa/include/mach/camera.h | 2 - Signed-off-by: Stefan Herbrechtsmeier Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- arch/arm/mach-pxa/include/mach/camera.h | 2 -- drivers/media/video/mt9m001.c | 33 ++++++++++++++++++++-- drivers/media/video/mt9m111.c | 15 ++++++++++ drivers/media/video/mt9v022.c | 24 +++++++++++++++- drivers/media/video/pxa_camera.c | 24 ---------------- drivers/media/video/sh_mobile_ceu_camera.c | 5 ---- include/media/sh_mobile_ceu.h | 2 -- include/media/soc_camera.h | 3 ++ 8 files changed, 71 insertions(+), 37 deletions(-) diff --git a/arch/arm/mach-pxa/include/mach/camera.h b/arch/arm/mach-pxa/include/mach/camera.h index 39516ced8b1f..31abe6d514b8 100644 --- a/arch/arm/mach-pxa/include/mach/camera.h +++ b/arch/arm/mach-pxa/include/mach/camera.h @@ -36,8 +36,6 @@ struct pxacamera_platform_data { int (*init)(struct device *); - int (*power)(struct device *, int); - int (*reset)(struct device *, int); unsigned long flags; unsigned long mclk_10khz; diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 3531f9352dff..0c524376b67e 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -117,13 +117,33 @@ static int reg_clear(struct soc_camera_device *icd, const u8 reg, static int mt9m001_init(struct soc_camera_device *icd) { + struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd); + struct soc_camera_link *icl = mt9m001->client->dev.platform_data; int ret; dev_dbg(icd->vdev->parent, "%s\n", __func__); - ret = reg_write(icd, MT9M001_RESET, 1); - if (!ret) - ret = reg_write(icd, MT9M001_RESET, 0); + if (icl->power) { + ret = icl->power(&mt9m001->client->dev, 1); + if (ret < 0) { + dev_err(icd->vdev->parent, + "Platform failed to power-on the camera.\n"); + return ret; + } + } + + /* The camera could have been already on, we reset it additionally */ + if (icl->reset) + ret = icl->reset(&mt9m001->client->dev); + else + ret = -ENODEV; + + if (ret < 0) { + /* Either no platform reset, or platform reset failed */ + ret = reg_write(icd, MT9M001_RESET, 1); + if (!ret) + ret = reg_write(icd, MT9M001_RESET, 0); + } /* Disable chip, synchronous option update */ if (!ret) ret = reg_write(icd, MT9M001_OUTPUT_CONTROL, 0); @@ -133,8 +153,15 @@ static int mt9m001_init(struct soc_camera_device *icd) static int mt9m001_release(struct soc_camera_device *icd) { + struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd); + struct soc_camera_link *icl = mt9m001->client->dev.platform_data; + /* Disable the chip */ reg_write(icd, MT9M001_OUTPUT_CONTROL, 0); + + if (icl->power) + icl->power(&mt9m001->client->dev, 0); + return 0; } diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index d99932631050..4844486d72fb 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -351,8 +351,18 @@ static int mt9m111_setfmt_yuv(struct soc_camera_device *icd) static int mt9m111_enable(struct soc_camera_device *icd) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + struct soc_camera_link *icl = mt9m111->client->dev.platform_data; int ret; + if (icl->power) { + ret = icl->power(&mt9m111->client->dev, 1); + if (ret < 0) { + dev_err(icd->vdev->parent, + "Platform failed to power-on the camera.\n"); + return ret; + } + } + ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE); if (!ret) mt9m111->powered = 1; @@ -362,11 +372,16 @@ static int mt9m111_enable(struct soc_camera_device *icd) static int mt9m111_disable(struct soc_camera_device *icd) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); + struct soc_camera_link *icl = mt9m111->client->dev.platform_data; int ret; ret = reg_clear(RESET, MT9M111_RESET_CHIP_ENABLE); if (!ret) mt9m111->powered = 0; + + if (icl->power) + icl->power(&mt9m111->client->dev, 0); + return ret; } diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c index 0f4b204667e0..2584201059d8 100644 --- a/drivers/media/video/mt9v022.c +++ b/drivers/media/video/mt9v022.c @@ -134,8 +134,25 @@ static int reg_clear(struct soc_camera_device *icd, const u8 reg, static int mt9v022_init(struct soc_camera_device *icd) { struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd); + struct soc_camera_link *icl = mt9v022->client->dev.platform_data; int ret; + if (icl->power) { + ret = icl->power(&mt9v022->client->dev, 1); + if (ret < 0) { + dev_err(icd->vdev->parent, + "Platform failed to power-on the camera.\n"); + return ret; + } + } + + /* + * The camera could have been already on, we hard-reset it additionally, + * if available. Soft reset is done in video_probe(). + */ + if (icl->reset) + icl->reset(&mt9v022->client->dev); + /* Almost the default mode: master, parallel, simultaneous, and an * undocumented bit 0x200, which is present in table 7, but not in 8, * plus snapshot mode to disable scan for now */ @@ -161,7 +178,12 @@ static int mt9v022_init(struct soc_camera_device *icd) static int mt9v022_release(struct soc_camera_device *icd) { - /* Nothing? */ + struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd); + struct soc_camera_link *icl = mt9v022->client->dev.platform_data; + + if (icl->power) + icl->power(&mt9v022->client->dev, 0); + return 0; } diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index cf96b2cc4f1c..14569b591388 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c @@ -629,17 +629,6 @@ static void pxa_camera_activate(struct pxa_camera_dev *pcdev) pdata->init(pcdev->dev); } - if (pdata && pdata->power) { - dev_dbg(pcdev->dev, "%s: Power on camera\n", __func__); - pdata->power(pcdev->dev, 1); - } - - if (pdata && pdata->reset) { - dev_dbg(pcdev->dev, "%s: Releasing camera reset\n", - __func__); - pdata->reset(pcdev->dev, 1); - } - CICR0 = 0x3FF; /* disable all interrupts */ if (pcdev->platform_flags & PXA_CAMERA_PCLK_EN) @@ -660,20 +649,7 @@ static void pxa_camera_activate(struct pxa_camera_dev *pcdev) static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev) { - struct pxacamera_platform_data *board = pcdev->pdata; - clk_disable(pcdev->clk); - - if (board && board->reset) { - dev_dbg(pcdev->dev, "%s: Asserting camera reset\n", - __func__); - board->reset(pcdev->dev, 0); - } - - if (board && board->power) { - dev_dbg(pcdev->dev, "%s: Power off camera\n", __func__); - board->power(pcdev->dev, 0); - } } static irqreturn_t pxa_camera_irq(int irq, void *data) diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 318754e73132..76838091dc66 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -304,9 +304,6 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd) "SuperH Mobile CEU driver attached to camera %d\n", icd->devnum); - if (pcdev->pdata->enable_camera) - pcdev->pdata->enable_camera(); - ret = icd->ops->init(icd); if (ret) goto err; @@ -333,8 +330,6 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd) ceu_write(pcdev, CEIER, 0); ceu_write(pcdev, CAPSR, 1 << 16); /* reset */ icd->ops->release(icd); - if (pcdev->pdata->disable_camera) - pcdev->pdata->disable_camera(); dev_info(&icd->dev, "SuperH Mobile CEU driver detached from camera %d\n", diff --git a/include/media/sh_mobile_ceu.h b/include/media/sh_mobile_ceu.h index 234a4711d2ec..b5dbefea3740 100644 --- a/include/media/sh_mobile_ceu.h +++ b/include/media/sh_mobile_ceu.h @@ -5,8 +5,6 @@ struct sh_mobile_ceu_info { unsigned long flags; /* SOCAM_... */ - void (*enable_camera)(void); - void (*disable_camera)(void); }; #endif /* __ASM_SH_MOBILE_CEU_H__ */ diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index d548de326722..c5de7bb19fda 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -83,6 +83,9 @@ struct soc_camera_link { int bus_id; /* GPIO number to switch between 8 and 10 bit modes */ unsigned int gpio; + /* Optional callbacks to power on or off and reset the sensor */ + int (*power)(struct device *, int); + int (*reset)(struct device *); }; static inline struct soc_camera_device *to_soc_camera_dev(struct device *dev) -- GitLab From e0677760945585ee475c2d6a7fa4d5b0dd573cb4 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 16 Aug 2008 07:50:23 -0300 Subject: [PATCH 3774/6244] V4L/DVB (8689): dpc7146: remove dpc7146 demonstration board driver Old driver for the dpc7146 demonstration board that is no longer relevant. The last time this was tested on actual hardware was probably around 2002. Since this is a driver for a demonstration board the decision was made (after discussing this with the original author, Michael Hunold) to remove it rather than spending a lot of effort continually updating this driver to stay in sync with the latest internal V4L2 or I2C API. Signed-off-by: Hans Verkuil Signed-off-by: Michael Hunold Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 15 -- drivers/media/video/Makefile | 1 - drivers/media/video/dpc7146.c | 408 ---------------------------------- 3 files changed, 424 deletions(-) delete mode 100644 drivers/media/video/dpc7146.c diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 37123ff20fc5..2fa7418c16df 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -709,21 +709,6 @@ config VIDEO_MXB To compile this driver as a module, choose M here: the module will be called mxb. -config VIDEO_DPC - tristate "Philips-Semiconductors 'dpc7146 demonstration board'" - depends on PCI && VIDEO_V4L1 && I2C - select VIDEO_SAA7146_VV - select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO - ---help--- - This is a video4linux driver for the 'dpc7146 demonstration - board' by Philips-Semiconductors. It's the reference design - for SAA7146 bases boards, so if you have some unsupported - saa7146 based, analog video card, chances are good that it - will work with this skeleton driver. - - To compile this driver as a module, choose M here: the - module will be called dpc7146. - config VIDEO_HEXIUM_ORION tristate "Hexium HV-PCI6 and Orion frame grabber" depends on PCI && VIDEO_V4L2 && I2C diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index d234db7c4e06..012bc1169574 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -84,7 +84,6 @@ obj-$(CONFIG_VIDEO_CPIA2) += cpia2/ obj-$(CONFIG_VIDEO_MXB) += mxb.o obj-$(CONFIG_VIDEO_HEXIUM_ORION) += hexium_orion.o obj-$(CONFIG_VIDEO_HEXIUM_GEMINI) += hexium_gemini.o -obj-$(CONFIG_VIDEO_DPC) += dpc7146.o obj-$(CONFIG_TUNER_3036) += tuner-3036.o obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o diff --git a/drivers/media/video/dpc7146.c b/drivers/media/video/dpc7146.c deleted file mode 100644 index 88d6df71d051..000000000000 --- a/drivers/media/video/dpc7146.c +++ /dev/null @@ -1,408 +0,0 @@ -/* - dpc7146.c - v4l2 driver for the dpc7146 demonstration board - - Copyright (C) 2000-2003 Michael Hunold - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#define DEBUG_VARIABLE debug - -#include -#include /* for saa7111a */ - -#define I2C_SAA7111A 0x24 - -/* All unused bytes are reserverd. */ -#define SAA711X_CHIP_VERSION 0x00 -#define SAA711X_ANALOG_INPUT_CONTROL_1 0x02 -#define SAA711X_ANALOG_INPUT_CONTROL_2 0x03 -#define SAA711X_ANALOG_INPUT_CONTROL_3 0x04 -#define SAA711X_ANALOG_INPUT_CONTROL_4 0x05 -#define SAA711X_HORIZONTAL_SYNC_START 0x06 -#define SAA711X_HORIZONTAL_SYNC_STOP 0x07 -#define SAA711X_SYNC_CONTROL 0x08 -#define SAA711X_LUMINANCE_CONTROL 0x09 -#define SAA711X_LUMINANCE_BRIGHTNESS 0x0A -#define SAA711X_LUMINANCE_CONTRAST 0x0B -#define SAA711X_CHROMA_SATURATION 0x0C -#define SAA711X_CHROMA_HUE_CONTROL 0x0D -#define SAA711X_CHROMA_CONTROL 0x0E -#define SAA711X_FORMAT_DELAY_CONTROL 0x10 -#define SAA711X_OUTPUT_CONTROL_1 0x11 -#define SAA711X_OUTPUT_CONTROL_2 0x12 -#define SAA711X_OUTPUT_CONTROL_3 0x13 -#define SAA711X_V_GATE_1_START 0x15 -#define SAA711X_V_GATE_1_STOP 0x16 -#define SAA711X_V_GATE_1_MSB 0x17 -#define SAA711X_TEXT_SLICER_STATUS 0x1A -#define SAA711X_DECODED_BYTES_OF_TS_1 0x1B -#define SAA711X_DECODED_BYTES_OF_TS_2 0x1C -#define SAA711X_STATUS_BYTE 0x1F - -#define DPC_BOARD_CAN_DO_VBI(dev) (dev->revision != 0) - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "debug verbosity"); - -static int dpc_num; - -#define DPC_INPUTS 2 -static struct v4l2_input dpc_inputs[DPC_INPUTS] = { - { 0, "Port A", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, - { 1, "Port B", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, -}; - -#define DPC_AUDIOS 0 - -static struct saa7146_extension_ioctls ioctls[] = { - { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE }, - { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE }, - { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE }, - { VIDIOC_S_STD, SAA7146_AFTER }, - { 0, 0 } -}; - -struct dpc -{ - struct video_device *video_dev; - struct video_device *vbi_dev; - - struct i2c_adapter i2c_adapter; - struct i2c_client *saa7111a; - - int cur_input; /* current input */ -}; - -static int dpc_check_clients(struct device *dev, void *data) -{ - struct dpc* dpc = data; - struct i2c_client *client = i2c_verify_client(dev); - - if( !client ) - return 0; - - if( I2C_SAA7111A == client->addr ) - dpc->saa7111a = client; - - return 0; -} - -/* fixme: add vbi stuff here */ -static int dpc_probe(struct saa7146_dev* dev) -{ - struct dpc* dpc = NULL; - - dpc = kzalloc(sizeof(struct dpc), GFP_KERNEL); - if( NULL == dpc ) { - printk("dpc_v4l2.o: dpc_probe: not enough kernel memory.\n"); - return -ENOMEM; - } - - /* FIXME: enable i2c-port pins, video-port-pins - video port pins should be enabled here ?! */ - saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26)); - - dpc->i2c_adapter = (struct i2c_adapter) { - .class = I2C_CLASS_TV_ANALOG, - .name = "dpc7146", - }; - saa7146_i2c_adapter_prepare(dev, &dpc->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); - if(i2c_add_adapter(&dpc->i2c_adapter) < 0) { - DEB_S(("cannot register i2c-device. skipping.\n")); - kfree(dpc); - return -EFAULT; - } - - /* loop through all i2c-devices on the bus and look who is there */ - device_for_each_child(&dpc->i2c_adapter.dev, dpc, dpc_check_clients); - - /* check if all devices are present */ - if (!dpc->saa7111a) { - DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n")); - i2c_del_adapter(&dpc->i2c_adapter); - kfree(dpc); - return -ENODEV; - } - - /* all devices are present, probe was successful */ - DEB_D(("dpc_v4l2.o: dpc_probe succeeded for this device.\n")); - - /* we store the pointer in our private data field */ - dev->ext_priv = dpc; - - return 0; -} - -/* bring hardware to a sane state. this has to be done, just in case someone - wants to capture from this device before it has been properly initialized. - the capture engine would badly fail, because no valid signal arrives on the - saa7146, thus leading to timeouts and stuff. */ -static int dpc_init_done(struct saa7146_dev* dev) -{ - struct dpc* dpc = (struct dpc*)dev->ext_priv; - - DEB_D(("dpc_v4l2.o: dpc_init_done called.\n")); - - /* initialize the helper ics to useful values */ - i2c_smbus_write_byte_data(dpc->saa7111a, 0x00, 0x11); - - i2c_smbus_write_byte_data(dpc->saa7111a, 0x02, 0xc0); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x03, 0x30); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x04, 0x00); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x05, 0x00); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x06, 0xde); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x07, 0xad); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x08, 0xa8); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x09, 0x00); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x0a, 0x80); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x0b, 0x47); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x0c, 0x40); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x0d, 0x00); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x0e, 0x03); - - i2c_smbus_write_byte_data(dpc->saa7111a, 0x10, 0xd0); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x11, 0x1c); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x12, 0xc1); - i2c_smbus_write_byte_data(dpc->saa7111a, 0x13, 0x30); - - i2c_smbus_write_byte_data(dpc->saa7111a, 0x1f, 0x81); - - return 0; -} - -static struct saa7146_ext_vv vv_data; - -/* this function only gets called when the probing was successful */ -static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) -{ - struct dpc* dpc = (struct dpc*)dev->ext_priv; - - DEB_D(("dpc_v4l2.o: dpc_attach called.\n")); - - /* checking for i2c-devices can be omitted here, because we - already did this in "dpc_vl42_probe" */ - - saa7146_vv_init(dev,&vv_data); - if( 0 != saa7146_register_device(&dpc->video_dev, dev, "dpc", VFL_TYPE_GRABBER)) { - ERR(("cannot register capture v4l2 device. skipping.\n")); - return -1; - } - - /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ - if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) { - if( 0 != saa7146_register_device(&dpc->vbi_dev, dev, "dpc", VFL_TYPE_VBI)) { - ERR(("cannot register vbi v4l2 device. skipping.\n")); - } - } - - i2c_use_client(dpc->saa7111a); - - printk("dpc: found 'dpc7146 demonstration board'-%d.\n",dpc_num); - dpc_num++; - - /* the rest */ - dpc->cur_input = 0; - dpc_init_done(dev); - - return 0; -} - -static int dpc_detach(struct saa7146_dev* dev) -{ - struct dpc* dpc = (struct dpc*)dev->ext_priv; - - DEB_EE(("dev:%p\n",dev)); - - i2c_release_client(dpc->saa7111a); - - saa7146_unregister_device(&dpc->video_dev,dev); - if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) { - saa7146_unregister_device(&dpc->vbi_dev,dev); - } - saa7146_vv_release(dev); - - dpc_num--; - - i2c_del_adapter(&dpc->i2c_adapter); - kfree(dpc); - return 0; -} - -#ifdef axa -int dpc_vbi_bypass(struct saa7146_dev* dev) -{ - struct dpc* dpc = (struct dpc*)dev->ext_priv; - - int i = 1; - - /* switch bypass in saa7111a */ - if ( 0 != dpc->saa7111a->driver->command(dpc->saa7111a,SAA711X_VBI_BYPASS, &i)) { - printk("dpc_v4l2.o: VBI_BYPASS: could not address saa7111a.\n"); - return -1; - } - - return 0; -} -#endif - -static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) -{ - struct saa7146_dev *dev = fh->dev; - struct dpc* dpc = (struct dpc*)dev->ext_priv; -/* - struct saa7146_vv *vv = dev->vv_data; -*/ - switch(cmd) - { - case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; - DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index)); - - if( i->index < 0 || i->index >= DPC_INPUTS) { - return -EINVAL; - } - - memcpy(i, &dpc_inputs[i->index], sizeof(struct v4l2_input)); - - DEB_D(("dpc_v4l2.o: v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n",i->index)); - return 0; - } - case VIDIOC_G_INPUT: - { - int *input = (int *)arg; - *input = dpc->cur_input; - - DEB_D(("dpc_v4l2.o: VIDIOC_G_INPUT: %d\n",*input)); - return 0; - } - case VIDIOC_S_INPUT: - { - int input = *(int *)arg; - - if (input < 0 || input >= DPC_INPUTS) { - return -EINVAL; - } - - dpc->cur_input = input; - - /* fixme: switch input here, switch audio, too! */ -// saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync); - printk("dpc_v4l2.o: VIDIOC_S_INPUT: fixme switch input.\n"); - - return 0; - } - default: -/* - DEB_D(("dpc_v4l2.o: v4l2_ioctl does not handle this ioctl.\n")); -*/ - return -ENOIOCTLCMD; - } - return 0; -} - -static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std) -{ - return 0; -} - -static struct saa7146_standard standard[] = { - { - .name = "PAL", .id = V4L2_STD_PAL, - .v_offset = 0x17, .v_field = 288, - .h_offset = 0x14, .h_pixels = 680, - .v_max_out = 576, .h_max_out = 768, - }, { - .name = "NTSC", .id = V4L2_STD_NTSC, - .v_offset = 0x16, .v_field = 240, - .h_offset = 0x06, .h_pixels = 708, - .v_max_out = 480, .h_max_out = 640, - }, { - .name = "SECAM", .id = V4L2_STD_SECAM, - .v_offset = 0x14, .v_field = 288, - .h_offset = 0x14, .h_pixels = 720, - .v_max_out = 576, .h_max_out = 768, - } -}; - -static struct saa7146_extension extension; - -static struct saa7146_pci_extension_data dpc = { - .ext_priv = "Multimedia eXtension Board", - .ext = &extension, -}; - -static struct pci_device_id pci_tbl[] = { - { - .vendor = PCI_VENDOR_ID_PHILIPS, - .device = PCI_DEVICE_ID_PHILIPS_SAA7146, - .subvendor = 0x0000, - .subdevice = 0x0000, - .driver_data = (unsigned long)&dpc, - }, { - .vendor = 0, - } -}; - -MODULE_DEVICE_TABLE(pci, pci_tbl); - -static struct saa7146_ext_vv vv_data = { - .inputs = DPC_INPUTS, - .capabilities = V4L2_CAP_VBI_CAPTURE, - .stds = &standard[0], - .num_stds = sizeof(standard)/sizeof(struct saa7146_standard), - .std_callback = &std_callback, - .ioctls = &ioctls[0], - .ioctl = dpc_ioctl, -}; - -static struct saa7146_extension extension = { - .name = "dpc7146 demonstration board", - .flags = SAA7146_USE_I2C_IRQ, - - .pci_tbl = &pci_tbl[0], - .module = THIS_MODULE, - - .probe = dpc_probe, - .attach = dpc_attach, - .detach = dpc_detach, - - .irq_mask = 0, - .irq_func = NULL, -}; - -static int __init dpc_init_module(void) -{ - if( 0 != saa7146_register_extension(&extension)) { - DEB_S(("failed to register extension.\n")); - return -ENODEV; - } - - return 0; -} - -static void __exit dpc_cleanup_module(void) -{ - saa7146_unregister_extension(&extension); -} - -module_init(dpc_init_module); -module_exit(dpc_cleanup_module); - -MODULE_DESCRIPTION("video4linux-2 driver for the 'dpc7146 demonstration board'"); -MODULE_AUTHOR("Michael Hunold "); -MODULE_LICENSE("GPL"); -- GitLab From 45a5b872bda1a3b5a4959ce66d19381df82419c9 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 16 Aug 2008 07:56:12 -0300 Subject: [PATCH 3775/6244] V4L/DVB (8690): tuner-3036: remove driver This driver is for VERY old i2c-over-parallel port teletext receiver boxes. Rather then spending effort on converting this driver to V4L2, and since it is extremely unlikely that anyone still uses one of these devices, it was decided to drop it (after discussing this as well with the original author, Phil Blundell). Signed-off-by: Hans Verkuil Signed-off-by: Phil Blundell Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 7 - drivers/media/video/Makefile | 1 - drivers/media/video/tuner-3036.c | 214 ------------------------------- 3 files changed, 222 deletions(-) delete mode 100644 drivers/media/video/tuner-3036.c diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 2fa7418c16df..7f7482bff142 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -579,13 +579,6 @@ config VIDEO_SAA5249 To compile this driver as a module, choose M here: the module will be called saa5249. -config TUNER_3036 - tristate "SAB3036 tuner" - depends on I2C && VIDEO_V4L1 - help - Say Y here to include support for Philips SAB3036 compatible tuners. - If in doubt, say N. - config VIDEO_VINO tristate "SGI Vino Video For Linux (EXPERIMENTAL)" depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L2 diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 012bc1169574..28e325725302 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -84,7 +84,6 @@ obj-$(CONFIG_VIDEO_CPIA2) += cpia2/ obj-$(CONFIG_VIDEO_MXB) += mxb.o obj-$(CONFIG_VIDEO_HEXIUM_ORION) += hexium_orion.o obj-$(CONFIG_VIDEO_HEXIUM_GEMINI) += hexium_gemini.o -obj-$(CONFIG_TUNER_3036) += tuner-3036.o obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o diff --git a/drivers/media/video/tuner-3036.c b/drivers/media/video/tuner-3036.c deleted file mode 100644 index bdf506e6ae27..000000000000 --- a/drivers/media/video/tuner-3036.c +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Driver for Philips SAB3036 "CITAC" tuner control chip. - * - * Author: Phil Blundell - * - * The SAB3036 is just about different enough from the chips that - * tuner.c copes with to make it not worth the effort to crowbar - * the support into that file. So instead we have a separate driver. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -static int debug; /* insmod parameter */ -static int this_adap; - -static struct i2c_client client_template; - -/* Addresses to scan */ -static unsigned short normal_i2c[] = { 0x60, 0x61, I2C_CLIENT_END }; -static unsigned short ignore = I2C_CLIENT_END; - -static struct i2c_client_address_data addr_data = { - .normal_i2c = normal_i2c, - .probe = &ignore, - .ignore = &ignore, -}; - -/* ---------------------------------------------------------------------- */ - -static unsigned char -tuner_getstatus (struct i2c_client *c) -{ - unsigned char byte; - if (i2c_master_recv(c, &byte, 1) != 1) - printk(KERN_ERR "tuner-3036: I/O error.\n"); - return byte; -} - -#define TUNER_FL 0x80 - -static int -tuner_islocked (struct i2c_client *c) -{ - return (tuner_getstatus(c) & TUNER_FL); -} - -/* ---------------------------------------------------------------------- */ - -static void -set_tv_freq(struct i2c_client *c, int freq) -{ - u16 div = ((freq * 20) / 16); - unsigned long give_up = jiffies + HZ; - unsigned char buffer[2]; - - if (debug) - printk(KERN_DEBUG "tuner: setting frequency %dMHz, divisor %x\n", freq / 16, div); - - /* Select high tuning current */ - buffer[0] = 0x29; - buffer[1] = 0x3e; - - if (i2c_master_send(c, buffer, 2) != 2) - printk("tuner: i2c i/o error 1\n"); - - buffer[0] = 0x80 | ((div>>8) & 0x7f); - buffer[1] = div & 0xff; - - if (i2c_master_send(c, buffer, 2) != 2) - printk("tuner: i2c i/o error 2\n"); - - while (!tuner_islocked(c) && time_before(jiffies, give_up)) - schedule(); - - if (!tuner_islocked(c)) - printk(KERN_WARNING "tuner: failed to achieve PLL lock\n"); - - /* Select low tuning current and engage AFC */ - buffer[0] = 0x29; - buffer[1] = 0xb2; - - if (i2c_master_send(c, buffer, 2) != 2) - printk("tuner: i2c i/o error 3\n"); - - if (debug) - printk(KERN_DEBUG "tuner: status %02x\n", tuner_getstatus(c)); -} - -/* ---------------------------------------------------------------------- */ - -static int -tuner_attach(struct i2c_adapter *adap, int addr, int kind) -{ - static unsigned char buffer[] = { 0x29, 0x32, 0x2a, 0, 0x2b, 0 }; - - struct i2c_client *client; - - if (this_adap > 0) - return -1; - this_adap++; - - client_template.adapter = adap; - client_template.addr = addr; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &client_template, sizeof(struct i2c_client)); - - printk("tuner: SAB3036 found, status %02x\n", tuner_getstatus(client)); - - i2c_attach_client(client); - - if (i2c_master_send(client, buffer, 2) != 2) - printk("tuner: i2c i/o error 1\n"); - if (i2c_master_send(client, buffer+2, 2) != 2) - printk("tuner: i2c i/o error 2\n"); - if (i2c_master_send(client, buffer+4, 2) != 2) - printk("tuner: i2c i/o error 3\n"); - return 0; -} - -static int -tuner_detach(struct i2c_client *c) -{ - return 0; -} - -static int -tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) -{ - int *iarg = (int*)arg; - - switch (cmd) - { - case VIDIOCSFREQ: - set_tv_freq(client, *iarg); - break; - - default: - return -EINVAL; - } - return 0; -} - -static int -tuner_probe(struct i2c_adapter *adap) -{ - this_adap = 0; - if (adap->id == I2C_HW_B_LP) - return i2c_probe(adap, &addr_data, tuner_attach); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static struct i2c_driver -i2c_driver_tuner = -{ - .driver = { - .name = "sab3036", - }, - .id = I2C_DRIVERID_SAB3036, - .attach_adapter = tuner_probe, - .detach_client = tuner_detach, - .command = tuner_command -}; - -static struct i2c_client client_template = -{ - .driver = &i2c_driver_tuner, - .name = "SAB3036", -}; - -static int __init -tuner3036_init(void) -{ - return i2c_add_driver(&i2c_driver_tuner); -} - -static void __exit -tuner3036_exit(void) -{ - i2c_del_driver(&i2c_driver_tuner); -} - -MODULE_DESCRIPTION("SAB3036 tuner driver"); -MODULE_AUTHOR("Philip Blundell "); -MODULE_LICENSE("GPL"); - -module_param(debug, int, 0); -MODULE_PARM_DESC(debug,"Enable debugging output"); - -module_init(tuner3036_init); -module_exit(tuner3036_exit); -- GitLab From 66c6bda79fdc273608e2700a0c6dd4cb82d0bac3 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 16 Aug 2008 08:33:14 -0300 Subject: [PATCH 3776/6244] V4L/DVB (8691): i2c-id: remove obsolete SAB3036 driver ID Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/linux/i2c-id.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index bf34c5f4c051..493435bcdbe5 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -41,7 +41,6 @@ #define I2C_DRIVERID_SAA7110 22 /* video decoder */ #define I2C_DRIVERID_SAA5249 24 /* SAA5249 and compatibles */ #define I2C_DRIVERID_PCF8583 25 /* real time clock */ -#define I2C_DRIVERID_SAB3036 26 /* SAB3036 tuner */ #define I2C_DRIVERID_TDA7432 27 /* Stereo sound processor */ #define I2C_DRIVERID_TVMIXER 28 /* Mixer driver for tv cards */ #define I2C_DRIVERID_TVAUDIO 29 /* Generic TV sound driver */ -- GitLab From e758c6f86bc53009893dfa517b9bb3a408d7a2e2 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 18 Aug 2008 04:48:42 -0300 Subject: [PATCH 3777/6244] V4L/DVB (8695): usbvideo: add proper error check and add release function Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/usbvideo/usbvideo.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index bf1bc2f69b02..6b1b2003a65c 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -1006,6 +1006,10 @@ allocate_done: EXPORT_SYMBOL(usbvideo_AllocateDevice); +static void usbvideo_dummy_release(struct video_device *vfd) +{ +} + int usbvideo_RegisterVideoDevice(struct uvd *uvd) { char tmp1[20], tmp2[20]; /* Buffers for printing */ @@ -1039,7 +1043,8 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) return -EINVAL; } uvd->vdev.parent = &uvd->dev->dev; - if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) == -1) { + uvd->vdev.release = usbvideo_dummy_release; + if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { err("%s: video_register_device failed", __func__); return -EPIPE; } -- GitLab From 06a3f58496462f25cc031d1cb6d49cb78af1f636 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 19 Aug 2008 20:40:30 -0300 Subject: [PATCH 3778/6244] V4L/DVB (8724): dvb: drx397xD: checkpatch.pl cleanups This driver sure needs some rework. For now, let's try to clean it up a bit before start reimplementing anything. checkpatch.pl still not happy with this driver after this patch, but the most annoying errors are gone, comments now use C-style only, labels are well placed and some other minor fixes. Some more clean up patches will come as I work on this driver. Please review it carefully. Cc: Mauro Carvalho Chehab Cc: Henk Vergonet [mchehab@infradead.org: Manually fixed some conflicts with a previous patch] Signed-off-by: Felipe Balbi Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/drx397xD.c | 242 +++++++++++++------------ 1 file changed, 124 insertions(+), 118 deletions(-) diff --git a/drivers/media/dvb/frontends/drx397xD.c b/drivers/media/dvb/frontends/drx397xD.c index e19147bad178..77dd4f2c6260 100644 --- a/drivers/media/dvb/frontends/drx397xD.c +++ b/drivers/media/dvb/frontends/drx397xD.c @@ -38,35 +38,32 @@ static const char mod_name[] = "drx397xD"; #define F_SET_0D0h 1 #define F_SET_0D4h 2 -typedef enum fw_ix { +enum fw_ix { #define _FW_ENTRY(a, b) b #include "drx397xD_fw.h" -} fw_ix_t; +}; /* chip specifics */ struct drx397xD_state { struct i2c_adapter *i2c; struct dvb_frontend frontend; struct drx397xD_config config; - fw_ix_t chip_rev; + enum fw_ix chip_rev; int flags; u32 bandwidth_parm; /* internal bandwidth conversions */ u32 f_osc; /* w90: actual osc frequency [Hz] */ }; -/******************************************************************************* - * Firmware - ******************************************************************************/ - +/* Firmware */ static const char *blob_name[] = { #define _BLOB_ENTRY(a, b) a #include "drx397xD_fw.h" }; -typedef enum blob_ix { +enum blob_ix { #define _BLOB_ENTRY(a, b) b #include "drx397xD_fw.h" -} blob_ix_t; +}; static struct { const char *name; @@ -85,7 +82,7 @@ static struct { }; /* use only with writer lock aquired */ -static void _drx_release_fw(struct drx397xD_state *s, fw_ix_t ix) +static void _drx_release_fw(struct drx397xD_state *s, enum fw_ix ix) { memset(&fw[ix].data[0], 0, sizeof(fw[0].data)); if (fw[ix].file) @@ -94,7 +91,7 @@ static void _drx_release_fw(struct drx397xD_state *s, fw_ix_t ix) static void drx_release_fw(struct drx397xD_state *s) { - fw_ix_t ix = s->chip_rev; + enum fw_ix ix = s->chip_rev; pr_debug("%s\n", __func__); @@ -107,7 +104,7 @@ static void drx_release_fw(struct drx397xD_state *s) write_unlock(&fw[ix].lock); } -static int drx_load_fw(struct drx397xD_state *s, fw_ix_t ix) +static int drx_load_fw(struct drx397xD_state *s, enum fw_ix ix) { const u8 *data; size_t size, len; @@ -175,26 +172,28 @@ static int drx_load_fw(struct drx397xD_state *s, fw_ix_t ix) goto exit_corrupt; } } while (i < size); - exit_corrupt: + +exit_corrupt: printk(KERN_ERR "%s: Firmware is corrupt\n", mod_name); - exit_err: +exit_err: _drx_release_fw(s, ix); fw[ix].refcnt--; - exit_ok: +exit_ok: fw[ix].refcnt++; write_unlock(&fw[ix].lock); + return rc; } -/******************************************************************************* - * i2c bus IO - ******************************************************************************/ - -static int write_fw(struct drx397xD_state *s, blob_ix_t ix) +/* i2c bus IO */ +static int write_fw(struct drx397xD_state *s, enum blob_ix ix) { - struct i2c_msg msg = {.addr = s->config.demod_address,.flags = 0 }; const u8 *data; int len, rc = 0, i = 0; + struct i2c_msg msg = { + .addr = s->config.demod_address, + .flags = 0 + }; if (ix < 0 || ix >= ARRAY_SIZE(blob_name)) { pr_debug("%s drx_fw_ix_t out of range\n", __func__); @@ -229,8 +228,9 @@ static int write_fw(struct drx397xD_state *s, blob_ix_t ix) goto exit_rc; } } - exit_rc: +exit_rc: read_unlock(&fw[s->chip_rev].lock); + return 0; } @@ -242,17 +242,16 @@ static int _read16(struct drx397xD_state *s, u32 i2c_adr) u16 v; struct i2c_msg msg[2] = { { - .addr = s->config.demod_address, - .flags = 0, - .buf = a, - .len = sizeof(a) - } - , { - .addr = s->config.demod_address, - .flags = I2C_M_RD, - .buf = (u8 *) & v, - .len = sizeof(v) - } + .addr = s->config.demod_address, + .flags = 0, + .buf = a, + .len = sizeof(a) + }, { + .addr = s->config.demod_address, + .flags = I2C_M_RD, + .buf = (u8 *) &v, + .len = sizeof(v) + } }; *(u32 *) a = i2c_adr; @@ -277,27 +276,27 @@ static int _write16(struct drx397xD_state *s, u32 i2c_adr, u16 val) }; *(u32 *) a = i2c_adr; - *(u16 *) & a[4] = val; + *(u16 *) &a[4] = val; rc = i2c_transfer(s->i2c, &msg, 1); if (rc != 1) return -EIO; + return 0; } -#define WR16(ss,adr, val) \ +#define WR16(ss, adr, val) \ _write16(ss, I2C_ADR_C0(adr), cpu_to_le16(val)) -#define WR16_E0(ss,adr, val) \ +#define WR16_E0(ss, adr, val) \ _write16(ss, I2C_ADR_E0(adr), cpu_to_le16(val)) -#define RD16(ss,adr) \ +#define RD16(ss, adr) \ _read16(ss, I2C_ADR_C0(adr)) -#define EXIT_RC( cmd ) if ( (rc = (cmd)) < 0) goto exit_rc - -/******************************************************************************* - * Tuner callback - ******************************************************************************/ +#define EXIT_RC(cmd) \ + if ((rc = (cmd)) < 0) \ + goto exit_rc +/* Tuner callback */ static int PLL_Set(struct drx397xD_state *s, struct dvb_frontend_parameters *fep, int *df_tuner) { @@ -331,10 +330,7 @@ static int PLL_Set(struct drx397xD_state *s, return 0; } -/******************************************************************************* - * Demodulator helper functions - ******************************************************************************/ - +/* Demodulator helper functions */ static int SC_WaitForReady(struct drx397xD_state *s) { int cnt = 1000; @@ -347,6 +343,7 @@ static int SC_WaitForReady(struct drx397xD_state *s) if (rc == 0) return 0; } + return -1; } @@ -361,6 +358,7 @@ static int SC_SendCommand(struct drx397xD_state *s, int cmd) rc = RD16(s, 0x820042); if ((rc & 0xffff) == 0xffff) return -1; + return 0; } @@ -383,6 +381,7 @@ static int HI_Command(struct drx397xD_state *s, u16 cmd) if (rc < 0) return rc; } while (--cnt); + return rc; } @@ -392,13 +391,14 @@ static int HI_CfgCommand(struct drx397xD_state *s) pr_debug("%s\n", __func__); WR16(s, 0x420033, 0x3973); - WR16(s, 0x420034, s->config.w50); // code 4, log 4 - WR16(s, 0x420035, s->config.w52); // code 15, log 9 + WR16(s, 0x420034, s->config.w50); /* code 4, log 4 */ + WR16(s, 0x420035, s->config.w52); /* code 15, log 9 */ WR16(s, 0x420036, s->config.demod_address << 1); - WR16(s, 0x420037, s->config.w56); // code (set_i2c ?? initX 1 ), log 1 -// WR16(s, 0x420033, 0x3973); + WR16(s, 0x420037, s->config.w56); /* code (set_i2c ?? initX 1 ), log 1 */ + /* WR16(s, 0x420033, 0x3973); */ if ((s->config.w56 & 8) == 0) return HI_Command(s, 3); + return WR16(s, 0x420032, 0x3); } @@ -468,7 +468,7 @@ static int SetCfgIfAgc(struct drx397xD_state *s, struct drx397xD_CfgIfAgc *agc) i = slowIncrDecLUT_15272[rem / 28]; EXIT_RC(WR16(s, 0x0c2002b, i)); rc = WR16(s, 0x0c2002c, i); - exit_rc: +exit_rc: return rc; } @@ -498,7 +498,7 @@ static int SetCfgRfAgc(struct drx397xD_state *s, struct drx397xD_CfgRfAgc *agc) rc &= ~2; break; case 0: - // loc_8000659 + /* loc_8000659 */ s->config.w9C &= ~2; EXIT_RC(WR16(s, 0x0c20015, s->config.w9C)); EXIT_RC(RD16(s, 0x0c20010)); @@ -522,7 +522,8 @@ static int SetCfgRfAgc(struct drx397xD_state *s, struct drx397xD_CfgRfAgc *agc) rc |= 2; } rc = WR16(s, 0x0c20013, rc); - exit_rc: + +exit_rc: return rc; } @@ -602,7 +603,8 @@ static int CorrectSysClockDeviation(struct drx397xD_state *s) s->config.f_osc * 1000, clk - s->config.f_osc * 1000); } rc = WR16(s, 0x08200e8, 0); - exit_rc: + +exit_rc: return rc; } @@ -620,17 +622,17 @@ static int ConfigureMPEGOutput(struct drx397xD_state *s, int type) si &= ~1; bp = 0x200; } - if (s->config.w9A == 0) { + if (s->config.w9A == 0) si |= 0x80; - } else { + else si &= ~0x80; - } EXIT_RC(WR16(s, 0x2150045, 0)); EXIT_RC(WR16(s, 0x2150010, si)); EXIT_RC(WR16(s, 0x2150011, bp)); rc = WR16(s, 0x2150012, (type == 0 ? 0xfff : 0)); - exit_rc: + +exit_rc: return rc; } @@ -658,7 +660,7 @@ static int drx_tune(struct drx397xD_state *s, rc = ConfigureMPEGOutput(s, 0); if (rc < 0) goto set_tuner; - set_tuner: +set_tuner: rc = PLL_Set(s, fep, &df_tuner); if (rc < 0) { @@ -835,16 +837,16 @@ static int drx_tune(struct drx397xD_state *s, rc = WR16(s, 0x2010012, 0); if (rc < 0) goto exit_rc; - // QPSK QAM16 QAM64 - ebx = 0x19f; // 62 - ebp = 0x1fb; // 15 - v20 = 0x16a; // 62 - v1E = 0x195; // 62 - v16 = 0x1bb; // 15 - v14 = 0x1ef; // 15 - v12 = 5; // 16 - v10 = 5; // 16 - v0E = 5; // 16 + /* QPSK QAM16 QAM64 */ + ebx = 0x19f; /* 62 */ + ebp = 0x1fb; /* 15 */ + v20 = 0x16a; /* 62 */ + v1E = 0x195; /* 62 */ + v16 = 0x1bb; /* 15 */ + v14 = 0x1ef; /* 15 */ + v12 = 5; /* 16 */ + v10 = 5; /* 16 */ + v0E = 5; /* 16 */ } switch (fep->u.ofdm.constellation) { @@ -997,17 +999,17 @@ static int drx_tune(struct drx397xD_state *s, case BANDWIDTH_8_MHZ: /* 0 */ case BANDWIDTH_AUTO: rc = WR16(s, 0x0c2003f, 0x32); - s->bandwidth_parm = ebx = 0x8b8249; // 9142857 + s->bandwidth_parm = ebx = 0x8b8249; edx = 0; break; case BANDWIDTH_7_MHZ: rc = WR16(s, 0x0c2003f, 0x3b); - s->bandwidth_parm = ebx = 0x7a1200; // 8000000 + s->bandwidth_parm = ebx = 0x7a1200; edx = 0x4807; break; case BANDWIDTH_6_MHZ: rc = WR16(s, 0x0c2003f, 0x47); - s->bandwidth_parm = ebx = 0x68a1b6; // 6857142 + s->bandwidth_parm = ebx = 0x68a1b6; edx = 0x0f07; break; }; @@ -1060,8 +1062,6 @@ static int drx_tune(struct drx397xD_state *s, WR16(s, 0x0820040, 1); SC_SendCommand(s, 1); -// rc = WR16(s, 0x2150000, 1); -// if (rc < 0) goto exit_rc; rc = WR16(s, 0x2150000, 2); rc = WR16(s, 0x2150016, a); @@ -1069,7 +1069,8 @@ static int drx_tune(struct drx397xD_state *s, rc = WR16(s, 0x2150036, 0); rc = WR16(s, 0x2150000, 1); s->config.d60 = 2; - exit_rc: + +exit_rc: return rc; } @@ -1102,18 +1103,18 @@ static int drx397x_init(struct dvb_frontend *fe) /* HI_CfgCommand */ s->config.w50 = 4; - s->config.w52 = 9; // 0xf; + s->config.w52 = 9; - s->config.f_if = 42800000; /* d14: intermediate frequency [Hz] */ - s->config.f_osc = 48000; /* s66 : oscillator frequency [kHz] */ - s->config.w92 = 12000; // 20000; + s->config.f_if = 42800000; /* d14: intermediate frequency [Hz] */ + s->config.f_osc = 48000; /* s66 : oscillator frequency [kHz] */ + s->config.w92 = 12000; s->config.w9C = 0x000e; s->config.w9E = 0x0000; /* ConfigureMPEGOutput params */ s->config.wA0 = 4; - s->config.w98 = 1; // 0; + s->config.w98 = 1; s->config.w9A = 1; /* get chip revision */ @@ -1248,7 +1249,7 @@ static int drx397x_init(struct dvb_frontend *fe) rc = WR16(s, 0x0c20012, 1); } - write_DRXD_InitFE_1: +write_DRXD_InitFE_1: rc = write_fw(s, DRXD_InitFE_1); if (rc < 0) @@ -1311,7 +1312,8 @@ static int drx397x_init(struct dvb_frontend *fe) s->config.d5C = 0; s->config.d60 = 1; s->config.d48 = 1; - error: + +error: return rc; } @@ -1326,7 +1328,8 @@ static int drx397x_set_frontend(struct dvb_frontend *fe, { struct drx397xD_state *s = fe->demodulator_priv; - s->config.s20d24 = 1; // 0; + s->config.s20d24 = 1; + return drx_tune(s, params); } @@ -1337,18 +1340,16 @@ static int drx397x_get_tune_settings(struct dvb_frontend *fe, fe_tune_settings->min_delay_ms = 10000; fe_tune_settings->step_size = 0; fe_tune_settings->max_drift = 0; + return 0; } -static int drx397x_read_status(struct dvb_frontend *fe, fe_status_t * status) +static int drx397x_read_status(struct dvb_frontend *fe, fe_status_t *status) { struct drx397xD_state *s = fe->demodulator_priv; int lockstat; GetLockStatus(s, &lockstat); - /* TODO */ -// if (lockstat & 1) -// CorrectSysClockDeviation(s); *status = 0; if (lockstat & 2) { @@ -1356,9 +1357,8 @@ static int drx397x_read_status(struct dvb_frontend *fe, fe_status_t * status) ConfigureMPEGOutput(s, 1); *status = FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI; } - if (lockstat & 4) { + if (lockstat & 4) *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; - } return 0; } @@ -1366,16 +1366,18 @@ static int drx397x_read_status(struct dvb_frontend *fe, fe_status_t * status) static int drx397x_read_ber(struct dvb_frontend *fe, unsigned int *ber) { *ber = 0; + return 0; } -static int drx397x_read_snr(struct dvb_frontend *fe, u16 * snr) +static int drx397x_read_snr(struct dvb_frontend *fe, u16 *snr) { *snr = 0; + return 0; } -static int drx397x_read_signal_strength(struct dvb_frontend *fe, u16 * strength) +static int drx397x_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { struct drx397xD_state *s = fe->demodulator_priv; int rc; @@ -1401,6 +1403,7 @@ static int drx397x_read_signal_strength(struct dvb_frontend *fe, u16 * strength) * The following does the same but with less rounding errors: */ *strength = ~(7720 + (rc * 30744 >> 10)); + return 0; } @@ -1408,6 +1411,7 @@ static int drx397x_read_ucblocks(struct dvb_frontend *fe, unsigned int *ucblocks) { *ucblocks = 0; + return 0; } @@ -1436,22 +1440,22 @@ static struct dvb_frontend_ops drx397x_ops = { .frequency_max = 855250000, .frequency_stepsize = 166667, .frequency_tolerance = 0, - .caps = /* 0x0C01B2EAE */ - FE_CAN_FEC_1_2 | // = 0x2, - FE_CAN_FEC_2_3 | // = 0x4, - FE_CAN_FEC_3_4 | // = 0x8, - FE_CAN_FEC_5_6 | // = 0x20, - FE_CAN_FEC_7_8 | // = 0x80, - FE_CAN_FEC_AUTO | // = 0x200, - FE_CAN_QPSK | // = 0x400, - FE_CAN_QAM_16 | // = 0x800, - FE_CAN_QAM_64 | // = 0x2000, - FE_CAN_QAM_AUTO | // = 0x10000, - FE_CAN_TRANSMISSION_MODE_AUTO | // = 0x20000, - FE_CAN_GUARD_INTERVAL_AUTO | // = 0x80000, - FE_CAN_HIERARCHY_AUTO | // = 0x100000, - FE_CAN_RECOVER | // = 0x40000000, - FE_CAN_MUTE_TS // = 0x80000000 + .caps = /* 0x0C01B2EAE */ + FE_CAN_FEC_1_2 | /* = 0x2, */ + FE_CAN_FEC_2_3 | /* = 0x4, */ + FE_CAN_FEC_3_4 | /* = 0x8, */ + FE_CAN_FEC_5_6 | /* = 0x20, */ + FE_CAN_FEC_7_8 | /* = 0x80, */ + FE_CAN_FEC_AUTO | /* = 0x200, */ + FE_CAN_QPSK | /* = 0x400, */ + FE_CAN_QAM_16 | /* = 0x800, */ + FE_CAN_QAM_64 | /* = 0x2000, */ + FE_CAN_QAM_AUTO | /* = 0x10000, */ + FE_CAN_TRANSMISSION_MODE_AUTO | /* = 0x20000, */ + FE_CAN_GUARD_INTERVAL_AUTO | /* = 0x80000, */ + FE_CAN_HIERARCHY_AUTO | /* = 0x100000, */ + FE_CAN_RECOVER | /* = 0x40000000, */ + FE_CAN_MUTE_TS /* = 0x80000000 */ }, .release = drx397x_release, @@ -1472,33 +1476,35 @@ static struct dvb_frontend_ops drx397x_ops = { struct dvb_frontend *drx397xD_attach(const struct drx397xD_config *config, struct i2c_adapter *i2c) { - struct drx397xD_state *s = NULL; + struct drx397xD_state *state; /* allocate memory for the internal state */ - s = kzalloc(sizeof(struct drx397xD_state), GFP_KERNEL); - if (s == NULL) + state = kzalloc(sizeof(struct drx397xD_state), GFP_KERNEL); + if (!state) goto error; /* setup the state */ - s->i2c = i2c; - memcpy(&s->config, config, sizeof(struct drx397xD_config)); + state->i2c = i2c; + memcpy(&state->config, config, sizeof(struct drx397xD_config)); /* check if the demod is there */ if (RD16(s, 0x2410019) < 0) goto error; /* create dvb_frontend */ - memcpy(&s->frontend.ops, &drx397x_ops, sizeof(struct dvb_frontend_ops)); - s->frontend.demodulator_priv = s; + memcpy(&state->frontend.ops, &drx397x_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = s; + + return &state->frontend; +error: + kfree(state); - return &s->frontend; - error: - kfree(s); return NULL; } +EXPORT_SYMBOL(drx397xD_attach); MODULE_DESCRIPTION("Micronas DRX397xD DVB-T Frontend"); MODULE_AUTHOR("Henk Vergonet"); MODULE_LICENSE("GPL"); -EXPORT_SYMBOL(drx397xD_attach); -- GitLab From 95908ece60443ceb188fccf021d62823de8e6f0c Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 20 Aug 2008 20:44:50 -0300 Subject: [PATCH 3779/6244] V4L/DVB (8725): drx397xD.c sparse annotations Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/drx397xD.c | 14 +++++++------- drivers/media/dvb/frontends/drx397xD.h | 4 ++-- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/media/dvb/frontends/drx397xD.c b/drivers/media/dvb/frontends/drx397xD.c index 77dd4f2c6260..0cf3af2f7da2 100644 --- a/drivers/media/dvb/frontends/drx397xD.c +++ b/drivers/media/dvb/frontends/drx397xD.c @@ -235,11 +235,11 @@ exit_rc: } /* Function is not endian safe, use the RD16 wrapper below */ -static int _read16(struct drx397xD_state *s, u32 i2c_adr) +static int _read16(struct drx397xD_state *s, __le32 i2c_adr) { int rc; u8 a[4]; - u16 v; + __le16 v; struct i2c_msg msg[2] = { { .addr = s->config.demod_address, @@ -249,12 +249,12 @@ static int _read16(struct drx397xD_state *s, u32 i2c_adr) }, { .addr = s->config.demod_address, .flags = I2C_M_RD, - .buf = (u8 *) &v, + .buf = (u8 *)&v, .len = sizeof(v) } }; - *(u32 *) a = i2c_adr; + *(__le32 *) a = i2c_adr; rc = i2c_transfer(s->i2c, msg, 2); if (rc != 2) @@ -264,7 +264,7 @@ static int _read16(struct drx397xD_state *s, u32 i2c_adr) } /* Function is not endian safe, use the WR16.. wrappers below */ -static int _write16(struct drx397xD_state *s, u32 i2c_adr, u16 val) +static int _write16(struct drx397xD_state *s, __le32 i2c_adr, __le16 val) { u8 a[6]; int rc; @@ -275,8 +275,8 @@ static int _write16(struct drx397xD_state *s, u32 i2c_adr, u16 val) .len = sizeof(a) }; - *(u32 *) a = i2c_adr; - *(u16 *) &a[4] = val; + *(__le32 *)a = i2c_adr; + *(__le16 *)&a[4] = val; rc = i2c_transfer(s->i2c, &msg, 1); if (rc != 1) diff --git a/drivers/media/dvb/frontends/drx397xD.h b/drivers/media/dvb/frontends/drx397xD.h index 2ad1ea0ccfb0..ba05d17290c6 100644 --- a/drivers/media/dvb/frontends/drx397xD.h +++ b/drivers/media/dvb/frontends/drx397xD.h @@ -28,7 +28,7 @@ #define DRX_F_OFFSET 36000000 #define I2C_ADR_C0(x) \ -( (u32)cpu_to_le32( \ +( cpu_to_le32( \ (u32)( \ (((u32)(x) & (u32)0x000000ffUL) ) | \ (((u32)(x) & (u32)0x0000ff00UL) << 16) | \ @@ -38,7 +38,7 @@ ) #define I2C_ADR_E0(x) \ -( (u32)cpu_to_le32( \ +( cpu_to_le32( \ (u32)( \ (((u32)(x) & (u32)0x000000ffUL) ) | \ (((u32)(x) & (u32)0x0000ff00UL) << 16) | \ -- GitLab From e9e24cee67bf71b929b646387f286e907cbde5fc Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Wed, 20 Aug 2008 20:44:53 -0300 Subject: [PATCH 3780/6244] V4L/DVB (8729): Use DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. An extract of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @haskernel@ @@ @depends on haskernel@ expression n,d; @@ ( - (n + d - 1) / d + DIV_ROUND_UP(n,d) | - (n + (d - 1)) / d + DIV_ROUND_UP(n,d) ) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP((n),d) + DIV_ROUND_UP(n,d) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP(n,(d)) + DIV_ROUND_UP(n,d) // Signed-off-by: Julia Lawall Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bw-qcam.c | 4 ++-- drivers/media/video/uvc/uvc_video.c | 2 +- drivers/media/video/zoran_device.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index 6e39e253ce53..01f07707827f 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -495,7 +495,7 @@ static void qc_set(struct qcam_device *q) val2 = (((q->port_mode & QC_MODE_MASK) == QC_BIDIR) ? 24 : 8) * q->transfer_scale; } - val = (val + val2 - 1) / val2; + val = DIV_ROUND_UP(val, val2); qc_command(q, 0x13); qc_command(q, val); @@ -651,7 +651,7 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l transperline = q->width * q->bpp; divisor = (((q->port_mode & QC_MODE_MASK) == QC_BIDIR) ? 24 : 8) * q->transfer_scale; - transperline = (transperline + divisor - 1) / divisor; + transperline = DIV_ROUND_UP(transperline, divisor); for (i = 0, yield = yieldlines; i < linestotrans; i++) { diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 6854ac78a161..03dc3a519e4c 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -655,7 +655,7 @@ static int uvc_init_video_isoc(struct uvc_video_device *video, if (size > UVC_MAX_FRAME_SIZE) return -EINVAL; - npackets = (size + psize - 1) / psize; + npackets = DIV_ROUND_UP(size, psize); if (npackets > UVC_MAX_ISO_PACKETS) npackets = UVC_MAX_ISO_PACKETS; diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c index 88d369708e4c..2b3ca1493373 100644 --- a/drivers/media/video/zoran_device.c +++ b/drivers/media/video/zoran_device.c @@ -377,7 +377,7 @@ zr36057_set_vfe (struct zoran *zr, /* horizontal */ VidWinWid = video_width; - X = (VidWinWid * 64 + tvn->Wa - 1) / tvn->Wa; + X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa); We = (VidWinWid * 64) / X; HorDcm = 64 - X; hcrop1 = 2 * ((tvn->Wa - We) / 4); @@ -403,7 +403,7 @@ zr36057_set_vfe (struct zoran *zr, /* Vertical */ DispMode = !(video_height > BUZ_MAX_HEIGHT / 2); VidWinHt = DispMode ? video_height : video_height / 2; - Y = (VidWinHt * 64 * 2 + tvn->Ha - 1) / tvn->Ha; + Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha); He = (VidWinHt * 64) / Y; VerDcm = 64 - Y; vcrop1 = (tvn->Ha / 2 - He) / 2; -- GitLab From 06fcadbf8b63e395d3ae8421a8c3cb2dfd0bc56b Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 22 Aug 2008 13:31:59 -0300 Subject: [PATCH 3781/6244] V4L/DVB (8730): drx397xD: fix compilation error caused by changeset 71046dfb0853 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/drx397xD.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/frontends/drx397xD.c b/drivers/media/dvb/frontends/drx397xD.c index 0cf3af2f7da2..b9ca5c8d2dd9 100644 --- a/drivers/media/dvb/frontends/drx397xD.c +++ b/drivers/media/dvb/frontends/drx397xD.c @@ -1488,13 +1488,13 @@ struct dvb_frontend *drx397xD_attach(const struct drx397xD_config *config, memcpy(&state->config, config, sizeof(struct drx397xD_config)); /* check if the demod is there */ - if (RD16(s, 0x2410019) < 0) + if (RD16(state, 0x2410019) < 0) goto error; /* create dvb_frontend */ memcpy(&state->frontend.ops, &drx397x_ops, sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = s; + state->frontend.demodulator_priv = state; return &state->frontend; error: -- GitLab From 69025c934b21a9ce49a76dfef59f1ebdfbe96c78 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 18 Aug 2008 17:09:53 -0300 Subject: [PATCH 3782/6244] V4L/DVB (8731): zr364xx: remove BKL Remove the Big Kernel Lock from zr364xx driver after pushdown. Now using an internal locking mecanism on open(). Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/zr364xx.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 4e1ef10d22df..9d5d5985a7ea 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -641,25 +641,23 @@ static int zr364xx_open(struct inode *inode, struct file *file) DBG("zr364xx_open"); + mutex_lock(&cam->lock); + cam->skip = 2; - lock_kernel(); err = video_exclusive_open(inode, file); - if (err < 0) { - unlock_kernel(); - return err; - } + if (err < 0) + goto out; if (!cam->framebuf) { cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); if (!cam->framebuf) { info("vmalloc_32 failed!"); - unlock_kernel(); - return -ENOMEM; + err = -ENOMEM; + goto out; } } - mutex_lock(&cam->lock); for (i = 0; init[cam->method][i].size != -1; i++) { err = send_control_msg(udev, 1, init[cam->method][i].value, @@ -667,9 +665,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) init[cam->method][i].size); if (err < 0) { info("error during open sequence: %d", i); - mutex_unlock(&cam->lock); - unlock_kernel(); - return err; + goto out; } } @@ -679,10 +675,11 @@ static int zr364xx_open(struct inode *inode, struct file *file) * like Ekiga does during its startup, can crash the webcam */ mdelay(100); + err = 0; +out: mutex_unlock(&cam->lock); - unlock_kernel(); - return 0; + return err; } -- GitLab From 33d27a45165ae9c3551e8d7c1186a5583371e5c4 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 18 Aug 2008 17:14:30 -0300 Subject: [PATCH 3783/6244] V4L/DVB (8732): zr364xx: handle video exclusive open internaly Count the users and do not use video_exclusive_open() anymore. Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/zr364xx.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 9d5d5985a7ea..93991cb9ca71 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -116,6 +116,7 @@ struct zr364xx_camera { int height; int method; struct mutex lock; + int users; }; @@ -643,11 +644,10 @@ static int zr364xx_open(struct inode *inode, struct file *file) mutex_lock(&cam->lock); - cam->skip = 2; - - err = video_exclusive_open(inode, file); - if (err < 0) + if (cam->users) { + err = -EBUSY; goto out; + } if (!cam->framebuf) { cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); @@ -669,6 +669,8 @@ static int zr364xx_open(struct inode *inode, struct file *file) } } + cam->skip = 2; + cam->users++; file->private_data = vdev; /* Added some delay here, since opening/closing the camera quickly, @@ -700,6 +702,10 @@ static int zr364xx_release(struct inode *inode, struct file *file) udev = cam->udev; mutex_lock(&cam->lock); + + cam->users--; + file->private_data = NULL; + for (i = 0; i < 2; i++) { err = send_control_msg(udev, 1, init[cam->method][i].value, @@ -707,21 +713,19 @@ static int zr364xx_release(struct inode *inode, struct file *file) init[cam->method][i].size); if (err < 0) { info("error during release sequence"); - mutex_unlock(&cam->lock); - return err; + goto out; } } - file->private_data = NULL; - video_exclusive_release(inode, file); - /* Added some delay here, since opening/closing the camera quickly, * like Ekiga does during its startup, can crash the webcam */ mdelay(100); + err = 0; +out: mutex_unlock(&cam->lock); - return 0; + return err; } -- GitLab From 8466028be7926679ff794ec2ed7a8938eafba521 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 11 Aug 2008 13:12:19 -0300 Subject: [PATCH 3784/6244] V4L/DVB (8734): Initial support for AME DTV-5100 USB2.0 DVB-T Basic support for AME DTV-5100 USB2.0 DVB-T using the qt1010 tuner and a dummy frontend. Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 7 + drivers/media/dvb/dvb-usb/Makefile | 3 + drivers/media/dvb/dvb-usb/dtv5100-fe.c | 147 +++++++++++++++++ drivers/media/dvb/dvb-usb/dtv5100.c | 217 +++++++++++++++++++++++++ drivers/media/dvb/dvb-usb/dtv5100.h | 128 +++++++++++++++ 5 files changed, 502 insertions(+) create mode 100644 drivers/media/dvb/dvb-usb/dtv5100-fe.c create mode 100644 drivers/media/dvb/dvb-usb/dtv5100.c create mode 100644 drivers/media/dvb/dvb-usb/dtv5100.h diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 8a54cb48322f..1d9e98cee9e7 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -264,3 +264,10 @@ config DVB_USB_ANYSEE help Say Y here to support the Anysee E30, Anysee E30 Plus or Anysee E30 C Plus DVB USB2.0 receiver. + +config DVB_USB_DTV5100 + tristate "AME DTV-5100 USB2.0 DVB-T support" + depends on DVB_USB + select MEDIA_TUNER_QT1010 if !DVB_FE_CUSTOMISE + help + Say Y here to support the AME DTV-5100 USB2.0 DVB-T receiver. diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index e206f1ea0027..5e170fba1092 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -67,6 +67,9 @@ obj-$(CONFIG_DVB_USB_ANYSEE) += dvb-usb-anysee.o dvb-usb-dw2102-objs = dw2102.o obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.o +dvb-usb-dtv5100-objs = dtv5100.o dtv5100-fe.o +obj-$(CONFIG_DVB_USB_DTV5100) += dvb-usb-dtv5100.o + EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/ # due to tuner-xc3028 EXTRA_CFLAGS += -Idrivers/media/common/tuners diff --git a/drivers/media/dvb/dvb-usb/dtv5100-fe.c b/drivers/media/dvb/dvb-usb/dtv5100-fe.c new file mode 100644 index 000000000000..08fe33bcc5d6 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dtv5100-fe.c @@ -0,0 +1,147 @@ +/* + * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T + * + * Copyright (C) 2008 Antoine Jacquet + * http://royale.zerezo.com/dtv5100/ + * + * Inspired by dvb_dummy_fe.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "dvb-usb.h" +#include "qt1010_priv.h" + +struct dtv5100_fe_state { + struct dvb_frontend frontend; +}; + +static int dtv5100_fe_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + *status = FE_HAS_SIGNAL + | FE_HAS_CARRIER + | FE_HAS_VITERBI + | FE_HAS_SYNC + | FE_HAS_LOCK; + + return 0; +} + +static int dtv5100_fe_read_ber(struct dvb_frontend* fe, u32* ber) +{ + *ber = 0; + return 0; +} + +static int dtv5100_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) +{ + *strength = 0; + return 0; +} + +static int dtv5100_fe_read_snr(struct dvb_frontend* fe, u16* snr) +{ + *snr = 0; + return 0; +} + +static int dtv5100_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + *ucblocks = 0; + return 0; +} + +static int dtv5100_fe_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + return 0; +} + +static int dtv5100_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); + } + + return 0; +} + +static int dtv5100_fe_sleep(struct dvb_frontend* fe) +{ + return 0; +} + +static int dtv5100_fe_init(struct dvb_frontend* fe) +{ + return 0; +} + +static void dtv5100_fe_release(struct dvb_frontend* fe) +{ + struct dtv5100_fe_state* state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops dtv5100_fe_ops; + +struct dvb_frontend* dtv5100_fe_attach(void) +{ + struct dtv5100_fe_state* state = NULL; + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct dtv5100_fe_state), GFP_KERNEL); + if (state == NULL) goto error; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &dtv5100_fe_ops, sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + return NULL; +} + +static struct dvb_frontend_ops dtv5100_fe_ops = { + + .info = { + .name = "Dummy DVB-T", + .type = FE_OFDM, + .frequency_min = QT1010_MIN_FREQ, + .frequency_max = QT1010_MAX_FREQ, + .frequency_stepsize = QT1010_STEP, + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | + FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = dtv5100_fe_release, + + .init = dtv5100_fe_init, + .sleep = dtv5100_fe_sleep, + + .set_frontend = dtv5100_fe_set_frontend, + .get_frontend = dtv5100_fe_get_frontend, + + .read_status = dtv5100_fe_read_status, + .read_ber = dtv5100_fe_read_ber, + .read_signal_strength = dtv5100_fe_read_signal_strength, + .read_snr = dtv5100_fe_read_snr, + .read_ucblocks = dtv5100_fe_read_ucblocks, +}; diff --git a/drivers/media/dvb/dvb-usb/dtv5100.c b/drivers/media/dvb/dvb-usb/dtv5100.c new file mode 100644 index 000000000000..f89d01755eab --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dtv5100.c @@ -0,0 +1,217 @@ +/* + * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T + * + * Copyright (C) 2008 Antoine Jacquet + * http://royale.zerezo.com/dtv5100/ + * + * Inspired by gl861.c and au6610.c drivers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "dtv5100.h" +#include "qt1010.h" + +/* debug */ +static int dvb_usb_dtv5100_debug; +module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static int dtv5100_read_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 *value) +{ + return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), + DTV5100_I2C_READ, USB_TYPE_VENDOR|USB_DIR_IN, + 0, (addr << 8) + reg, value, 1, + DTV5100_USB_TIMEOUT); +} + +static int dtv5100_write_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 value) +{ + return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), + DTV5100_I2C_WRITE, USB_TYPE_VENDOR|USB_DIR_OUT, + value, (addr << 8) + reg, NULL, 0, + DTV5100_USB_TIMEOUT); +} + +/* I2C */ +static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int i; + + if (num > 2) + return -EINVAL; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + for (i = 0; i < num; i++) { + if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { + /* write/read request, 2 messages + * msg = { + * { reg }, + * { val }, + * } + */ + if (dtv5100_read_reg(d, msg[i].addr, msg[i].buf[0], msg[i+1].buf) < 0) + break; + i++; + } else { + /* write request, 1 message + * msg = { + * { reg, val }, + * } + */ + if (dtv5100_write_reg(d, msg[i].addr, msg[i].buf[0], msg[i].buf[1]) < 0) + break; + } + } + + mutex_unlock(&d->i2c_mutex); + return i; +} + +static u32 dtv5100_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm dtv5100_i2c_algo = { + .master_xfer = dtv5100_i2c_xfer, + .functionality = dtv5100_i2c_func, +}; + +/* Callbacks for DVB USB */ +static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap) +{ + adap->fe = dtv5100_fe_attach(); + return 0; +} + +static struct qt1010_config dtv5100_qt1010_config = { + .i2c_address = 0xc4 +}; + +static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap) +{ + return dvb_attach(qt1010_attach, + adap->fe, &adap->dev->i2c_adap, + &dtv5100_qt1010_config) == NULL ? -ENODEV : 0; +} + +/* DVB USB Driver stuff */ +static struct dvb_usb_device_properties dtv5100_properties; + +static int dtv5100_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + int i, ret; + struct usb_device *udev = interface_to_usbdev(intf); + + ret = dvb_usb_device_init(intf, &dtv5100_properties, + THIS_MODULE, NULL, adapter_nr); + if (ret) + return ret; + + /* initialize frontend & non qt1010 part? */ + for (i = 0; dtv5100_init[i].request; i++) + { + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + dtv5100_init[i].request, + USB_TYPE_VENDOR|USB_DIR_OUT, + dtv5100_init[i].value, + dtv5100_init[i].index, NULL, 0, + DTV5100_USB_TIMEOUT); + if (ret) + return ret; + } + + return 0; +} + +static struct usb_device_id dtv5100_table [] = { + { USB_DEVICE(0x06be, 0xa232) }, + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, dtv5100_table); + +static struct dvb_usb_device_properties dtv5100_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + + .size_of_priv = 0, + + .num_adapters = 1, + .adapter = {{ + .frontend_attach = dtv5100_frontend_attach, + .tuner_attach = dtv5100_tuner_attach, + + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + } }, + + .i2c_algo = &dtv5100_i2c_algo, + + .num_device_descs = 1, + .devices = { + { + .name = "AME DTV-5100 USB2.0 DVB-T", + .cold_ids = { NULL }, + .warm_ids = { &dtv5100_table[0], NULL }, + }, + } +}; + +static struct usb_driver dtv5100_driver = { + .name = "dvb_usb_dtv5100", + .probe = dtv5100_probe, + .disconnect = dvb_usb_device_exit, + .id_table = dtv5100_table, +}; + +/* module stuff */ +static int __init dtv5100_module_init(void) +{ + int ret; + + ret = usb_register(&dtv5100_driver); + if (ret) + err("usb_register failed. Error number %d", ret); + + return ret; +} + +static void __exit dtv5100_module_exit(void) +{ + /* deregister this driver from the USB subsystem */ + usb_deregister(&dtv5100_driver); +} + +module_init(dtv5100_module_init); +module_exit(dtv5100_module_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb/dtv5100.h b/drivers/media/dvb/dvb-usb/dtv5100.h new file mode 100644 index 000000000000..1aadb86f70e6 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dtv5100.h @@ -0,0 +1,128 @@ +/* + * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T + * + * Copyright (C) 2008 Antoine Jacquet + * http://royale.zerezo.com/dtv5100/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _DVB_USB_DTV5100_H_ +#define _DVB_USB_DTV5100_H_ + +#define DVB_USB_LOG_PREFIX "dtv5100" +#include "dvb-usb.h" + +#define DTV5100_USB_TIMEOUT 500 +#define DTV5100_I2C_WRITE 0xc7 +#define DTV5100_I2C_READ 0xc8 + +#define DRIVER_AUTHOR "Antoine Jacquet, http://royale.zerezo.com/" +#define DRIVER_DESC "AME DTV-5100 USB2.0 DVB-T" + +static struct { + u8 request; + u8 value; + u16 index; +} dtv5100_init[] = { + { 0x000000c5, 0x00000000, 0x00000001 }, + { 0x000000c5, 0x00000001, 0x00000001 }, + { 0x000000c0, 0x0000000b, 0x00000050 }, + { 0x000000c0, 0x00000044, 0x00000051 }, + { 0x000000c0, 0x00000046, 0x00000052 }, + { 0x000000c0, 0x00000015, 0x00000053 }, + { 0x000000c0, 0x0000000f, 0x00000054 }, + { 0x000000c0, 0x00000080, 0x00000055 }, + { 0x000000c0, 0x00000001, 0x000000ea }, + { 0x000000c0, 0x00000000, 0x000000ea }, + { 0x000000c0, 0x00000075, 0x0000005c }, + { 0x000000c0, 0x000000a1, 0x0000009c }, + { 0x000000c0, 0x00000000, 0x0000008e }, + { 0x000000c0, 0x00000000, 0x00000090 }, + { 0x000000c0, 0x000000ff, 0x00000091 }, + { 0x000000c0, 0x000000ff, 0x00000092 }, + { 0x000000c0, 0x00000000, 0x00000093 }, + { 0x000000c0, 0x000000ff, 0x00000094 }, + { 0x000000c0, 0x00000000, 0x00000058 }, + { 0x000000c0, 0x0000003f, 0x00000095 }, + { 0x000000c0, 0x0000003f, 0x00000096 }, + { 0x000000c0, 0x0000000c, 0x0000005a }, + { 0x000000c0, 0x0000002b, 0x00000056 }, + { 0x000000c0, 0x00000017, 0x0000005f }, + { 0x000000c0, 0x00000040, 0x0000005e }, + { 0x000000c0, 0x00000036, 0x00000064 }, + { 0x000000c0, 0x00000067, 0x00000065 }, + { 0x000000c0, 0x000000e5, 0x00000066 }, + { 0x000000c0, 0x00000073, 0x000000cc }, + { 0x000000c0, 0x000000cd, 0x0000006c }, + { 0x000000c0, 0x0000007e, 0x0000006d }, + { 0x000000c0, 0x00000001, 0x00000071 }, + { 0x000000c0, 0x00000001, 0x00000070 }, + /**/ + { 0x000000c7, 0x00000080, 0x0000c401 }, + { 0x000000c7, 0x0000003f, 0x0000c402 }, + { 0x000000c7, 0x00000034, 0x0000c405 }, // 2 + { 0x000000c7, 0x00000044, 0x0000c406 }, + { 0x000000c7, 0x00000038, 0x0000c407 }, // 4 + { 0x000000c7, 0x00000008, 0x0000c408 }, + { 0x000000c7, 0x0000001c, 0x0000c409 }, // 6 + { 0x000000c7, 0x0000000d, 0x0000c40a }, // 7 + { 0x000000c7, 0x00000045, 0x0000c40b }, // 8 + { 0x000000c7, 0x000000e1, 0x0000c40c }, + { 0x000000c7, 0x00000078, 0x0000c41a }, // 10 + { 0x000000c7, 0x00000000, 0x0000c41b }, + { 0x000000c7, 0x00000089, 0x0000c41c }, + { 0x000000c7, 0x000000fd, 0x0000c411 }, // 13 + { 0x000000c7, 0x00000095, 0x0000c412 }, // 14 + { 0x000000c7, 0x000000d6, 0x0000c422 }, // 15 + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c7, 0x000000d0, 0x0000c41e }, + { 0x000000c8, 0x00000000, 0x0000c422 }, + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c8, 0x00000000, 0x0000c405 }, + { 0x000000c8, 0x00000000, 0x0000c422 }, + { 0x000000c7, 0x000000d0, 0x0000c423 }, + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c7, 0x000000e0, 0x0000c41e }, + { 0x000000c8, 0x00000000, 0x0000c423 }, + { 0x000000c8, 0x00000000, 0x0000c423 }, + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c7, 0x000000d0, 0x0000c424 }, + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c7, 0x000000f0, 0x0000c41e }, + { 0x000000c8, 0x00000000, 0x0000c424 }, + { 0x000000c7, 0x00000000, 0x0000c41e }, + { 0x000000c7, 0x0000007f, 0x0000c414 }, + { 0x000000c7, 0x0000007f, 0x0000c415 }, + { 0x000000c7, 0x00000030, 0x0000c405 }, + { 0x000000c7, 0x00000000, 0x0000c406 }, + { 0x000000c7, 0x0000001f, 0x0000c415 }, + { 0x000000c7, 0x000000ff, 0x0000c416 }, + { 0x000000c7, 0x000000ff, 0x0000c418 }, + { 0x000000c7, 0x00000051, 0x0000c41f }, // here + { 0x000000c7, 0x00000016, 0x0000c420 }, // here + { 0x000000c7, 0x00000053, 0x0000c421 }, + { 0x000000c7, 0x000000c1, 0x0000c425 }, // here + { 0x000000c7, 0x00000014, 0x0000c426 }, // here + { 0x000000c7, 0x00000082, 0x0000c400 }, + { 0x000000c7, 0x00000000, 0x0000c402 }, + { 0x000000c7, 0x00000000, 0x0000c401 }, + /**/ + { } /* Terminating entry */ +}; + +extern struct dvb_frontend* dtv5100_fe_attach(void); + +#endif -- GitLab From 60688d5e6e6e2ae62f29762d1e3b2aec2dbd3817 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 11 Aug 2008 19:21:33 -0300 Subject: [PATCH 3785/6244] V4L/DVB (8735): dtv5100: replace dummy frontend by zl10353 Remove the dtv5100-fe.c dummy frontend and replace it by the real frontend for the chipset. Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Makefile | 2 +- drivers/media/dvb/dvb-usb/dtv5100-fe.c | 147 ------------------------- drivers/media/dvb/dvb-usb/dtv5100.c | 94 ++++++++++------ drivers/media/dvb/dvb-usb/dtv5100.h | 91 ++------------- 4 files changed, 68 insertions(+), 266 deletions(-) delete mode 100644 drivers/media/dvb/dvb-usb/dtv5100-fe.c diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index 5e170fba1092..116544f4272d 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -67,7 +67,7 @@ obj-$(CONFIG_DVB_USB_ANYSEE) += dvb-usb-anysee.o dvb-usb-dw2102-objs = dw2102.o obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.o -dvb-usb-dtv5100-objs = dtv5100.o dtv5100-fe.o +dvb-usb-dtv5100-objs = dtv5100.o obj-$(CONFIG_DVB_USB_DTV5100) += dvb-usb-dtv5100.o EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/ diff --git a/drivers/media/dvb/dvb-usb/dtv5100-fe.c b/drivers/media/dvb/dvb-usb/dtv5100-fe.c deleted file mode 100644 index 08fe33bcc5d6..000000000000 --- a/drivers/media/dvb/dvb-usb/dtv5100-fe.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T - * - * Copyright (C) 2008 Antoine Jacquet - * http://royale.zerezo.com/dtv5100/ - * - * Inspired by dvb_dummy_fe.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "dvb-usb.h" -#include "qt1010_priv.h" - -struct dtv5100_fe_state { - struct dvb_frontend frontend; -}; - -static int dtv5100_fe_read_status(struct dvb_frontend* fe, fe_status_t* status) -{ - *status = FE_HAS_SIGNAL - | FE_HAS_CARRIER - | FE_HAS_VITERBI - | FE_HAS_SYNC - | FE_HAS_LOCK; - - return 0; -} - -static int dtv5100_fe_read_ber(struct dvb_frontend* fe, u32* ber) -{ - *ber = 0; - return 0; -} - -static int dtv5100_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) -{ - *strength = 0; - return 0; -} - -static int dtv5100_fe_read_snr(struct dvb_frontend* fe, u16* snr) -{ - *snr = 0; - return 0; -} - -static int dtv5100_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) -{ - *ucblocks = 0; - return 0; -} - -static int dtv5100_fe_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) -{ - return 0; -} - -static int dtv5100_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) -{ - if (fe->ops.tuner_ops.set_params) { - fe->ops.tuner_ops.set_params(fe, p); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - } - - return 0; -} - -static int dtv5100_fe_sleep(struct dvb_frontend* fe) -{ - return 0; -} - -static int dtv5100_fe_init(struct dvb_frontend* fe) -{ - return 0; -} - -static void dtv5100_fe_release(struct dvb_frontend* fe) -{ - struct dtv5100_fe_state* state = fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops dtv5100_fe_ops; - -struct dvb_frontend* dtv5100_fe_attach(void) -{ - struct dtv5100_fe_state* state = NULL; - - /* allocate memory for the internal state */ - state = kmalloc(sizeof(struct dtv5100_fe_state), GFP_KERNEL); - if (state == NULL) goto error; - - /* create dvb_frontend */ - memcpy(&state->frontend.ops, &dtv5100_fe_ops, sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; - return &state->frontend; - -error: - kfree(state); - return NULL; -} - -static struct dvb_frontend_ops dtv5100_fe_ops = { - - .info = { - .name = "Dummy DVB-T", - .type = FE_OFDM, - .frequency_min = QT1010_MIN_FREQ, - .frequency_max = QT1010_MAX_FREQ, - .frequency_stepsize = QT1010_STEP, - .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | - FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | - FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_HIERARCHY_AUTO, - }, - - .release = dtv5100_fe_release, - - .init = dtv5100_fe_init, - .sleep = dtv5100_fe_sleep, - - .set_frontend = dtv5100_fe_set_frontend, - .get_frontend = dtv5100_fe_get_frontend, - - .read_status = dtv5100_fe_read_status, - .read_ber = dtv5100_fe_read_ber, - .read_signal_strength = dtv5100_fe_read_signal_strength, - .read_snr = dtv5100_fe_read_snr, - .read_ucblocks = dtv5100_fe_read_ucblocks, -}; diff --git a/drivers/media/dvb/dvb-usb/dtv5100.c b/drivers/media/dvb/dvb-usb/dtv5100.c index f89d01755eab..7168a49cecf4 100644 --- a/drivers/media/dvb/dvb-usb/dtv5100.c +++ b/drivers/media/dvb/dvb-usb/dtv5100.c @@ -22,6 +22,7 @@ */ #include "dtv5100.h" +#include "zl10353.h" #include "qt1010.h" /* debug */ @@ -30,25 +31,44 @@ module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); -static int dtv5100_read_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 *value) +static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, + u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { - return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), - DTV5100_I2C_READ, USB_TYPE_VENDOR|USB_DIR_IN, - 0, (addr << 8) + reg, value, 1, - DTV5100_USB_TIMEOUT); -} + u8 request; + u8 type; + u16 value; + u16 index; + + switch (wlen) { + case 1: + /* write { reg }, read { value } */ + request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ : + DTV5100_TUNER_READ); + type = USB_TYPE_VENDOR|USB_DIR_IN; + value = 0; + break; + case 2: + /* write { reg, value } */ + request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE : + DTV5100_TUNER_WRITE); + type = USB_TYPE_VENDOR|USB_DIR_OUT; + value = wbuf[1]; + break; + default: + warn("wlen = %x, aborting.", wlen); + return -EINVAL; + } + index = (addr << 8) + wbuf[0]; -static int dtv5100_write_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 value) -{ - return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), - DTV5100_I2C_WRITE, USB_TYPE_VENDOR|USB_DIR_OUT, - value, (addr << 8) + reg, NULL, 0, + msleep(1); /* avoid I2C errors */ + return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), request, + type, value, index, rbuf, rlen, DTV5100_USB_TIMEOUT); } /* I2C */ static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], - int num) + int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int i; @@ -60,25 +80,16 @@ static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], return -EAGAIN; for (i = 0; i < num; i++) { + /* write/read request */ if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { - /* write/read request, 2 messages - * msg = { - * { reg }, - * { val }, - * } - */ - if (dtv5100_read_reg(d, msg[i].addr, msg[i].buf[0], msg[i+1].buf) < 0) + if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf, + msg[i].len, msg[i+1].buf, + msg[i+1].len) < 0) break; i++; - } else { - /* write request, 1 message - * msg = { - * { reg, val }, - * } - */ - if (dtv5100_write_reg(d, msg[i].addr, msg[i].buf[0], msg[i].buf[1]) < 0) + } else if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf, + msg[i].len, NULL, 0) < 0) break; - } } mutex_unlock(&d->i2c_mutex); @@ -96,14 +107,27 @@ static struct i2c_algorithm dtv5100_i2c_algo = { }; /* Callbacks for DVB USB */ +static struct zl10353_config dtv5100_zl10353_config = { + .demod_address = DTV5100_DEMOD_ADDR, + .no_tuner = 1, + .parallel_ts = 1, +}; + static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap) { - adap->fe = dtv5100_fe_attach(); + adap->fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config, + &adap->dev->i2c_adap); + if (adap->fe == NULL) + return -EIO; + + /* disable i2c gate, or it won't work... is this safe? */ + adap->fe->ops.i2c_gate_ctrl = NULL; + return 0; } static struct qt1010_config dtv5100_qt1010_config = { - .i2c_address = 0xc4 + .i2c_address = DTV5100_TUNER_ADDR }; static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap) @@ -122,12 +146,7 @@ static int dtv5100_probe(struct usb_interface *intf, int i, ret; struct usb_device *udev = interface_to_usbdev(intf); - ret = dvb_usb_device_init(intf, &dtv5100_properties, - THIS_MODULE, NULL, adapter_nr); - if (ret) - return ret; - - /* initialize frontend & non qt1010 part? */ + /* initialize non qt1010/zl10353 part? */ for (i = 0; dtv5100_init[i].request; i++) { ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), @@ -140,6 +159,11 @@ static int dtv5100_probe(struct usb_interface *intf, return ret; } + ret = dvb_usb_device_init(intf, &dtv5100_properties, + THIS_MODULE, NULL, adapter_nr); + if (ret) + return ret; + return 0; } diff --git a/drivers/media/dvb/dvb-usb/dtv5100.h b/drivers/media/dvb/dvb-usb/dtv5100.h index 1aadb86f70e6..e36bf2d5c944 100644 --- a/drivers/media/dvb/dvb-usb/dtv5100.h +++ b/drivers/media/dvb/dvb-usb/dtv5100.h @@ -26,8 +26,14 @@ #include "dvb-usb.h" #define DTV5100_USB_TIMEOUT 500 -#define DTV5100_I2C_WRITE 0xc7 -#define DTV5100_I2C_READ 0xc8 + +#define DTV5100_DEMOD_ADDR 0x00 +#define DTV5100_DEMOD_WRITE 0xc0 +#define DTV5100_DEMOD_READ 0xc1 + +#define DTV5100_TUNER_ADDR 0xc4 +#define DTV5100_TUNER_WRITE 0xc7 +#define DTV5100_TUNER_READ 0xc8 #define DRIVER_AUTHOR "Antoine Jacquet, http://royale.zerezo.com/" #define DRIVER_DESC "AME DTV-5100 USB2.0 DVB-T" @@ -39,87 +45,6 @@ static struct { } dtv5100_init[] = { { 0x000000c5, 0x00000000, 0x00000001 }, { 0x000000c5, 0x00000001, 0x00000001 }, - { 0x000000c0, 0x0000000b, 0x00000050 }, - { 0x000000c0, 0x00000044, 0x00000051 }, - { 0x000000c0, 0x00000046, 0x00000052 }, - { 0x000000c0, 0x00000015, 0x00000053 }, - { 0x000000c0, 0x0000000f, 0x00000054 }, - { 0x000000c0, 0x00000080, 0x00000055 }, - { 0x000000c0, 0x00000001, 0x000000ea }, - { 0x000000c0, 0x00000000, 0x000000ea }, - { 0x000000c0, 0x00000075, 0x0000005c }, - { 0x000000c0, 0x000000a1, 0x0000009c }, - { 0x000000c0, 0x00000000, 0x0000008e }, - { 0x000000c0, 0x00000000, 0x00000090 }, - { 0x000000c0, 0x000000ff, 0x00000091 }, - { 0x000000c0, 0x000000ff, 0x00000092 }, - { 0x000000c0, 0x00000000, 0x00000093 }, - { 0x000000c0, 0x000000ff, 0x00000094 }, - { 0x000000c0, 0x00000000, 0x00000058 }, - { 0x000000c0, 0x0000003f, 0x00000095 }, - { 0x000000c0, 0x0000003f, 0x00000096 }, - { 0x000000c0, 0x0000000c, 0x0000005a }, - { 0x000000c0, 0x0000002b, 0x00000056 }, - { 0x000000c0, 0x00000017, 0x0000005f }, - { 0x000000c0, 0x00000040, 0x0000005e }, - { 0x000000c0, 0x00000036, 0x00000064 }, - { 0x000000c0, 0x00000067, 0x00000065 }, - { 0x000000c0, 0x000000e5, 0x00000066 }, - { 0x000000c0, 0x00000073, 0x000000cc }, - { 0x000000c0, 0x000000cd, 0x0000006c }, - { 0x000000c0, 0x0000007e, 0x0000006d }, - { 0x000000c0, 0x00000001, 0x00000071 }, - { 0x000000c0, 0x00000001, 0x00000070 }, - /**/ - { 0x000000c7, 0x00000080, 0x0000c401 }, - { 0x000000c7, 0x0000003f, 0x0000c402 }, - { 0x000000c7, 0x00000034, 0x0000c405 }, // 2 - { 0x000000c7, 0x00000044, 0x0000c406 }, - { 0x000000c7, 0x00000038, 0x0000c407 }, // 4 - { 0x000000c7, 0x00000008, 0x0000c408 }, - { 0x000000c7, 0x0000001c, 0x0000c409 }, // 6 - { 0x000000c7, 0x0000000d, 0x0000c40a }, // 7 - { 0x000000c7, 0x00000045, 0x0000c40b }, // 8 - { 0x000000c7, 0x000000e1, 0x0000c40c }, - { 0x000000c7, 0x00000078, 0x0000c41a }, // 10 - { 0x000000c7, 0x00000000, 0x0000c41b }, - { 0x000000c7, 0x00000089, 0x0000c41c }, - { 0x000000c7, 0x000000fd, 0x0000c411 }, // 13 - { 0x000000c7, 0x00000095, 0x0000c412 }, // 14 - { 0x000000c7, 0x000000d6, 0x0000c422 }, // 15 - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c7, 0x000000d0, 0x0000c41e }, - { 0x000000c8, 0x00000000, 0x0000c422 }, - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c8, 0x00000000, 0x0000c405 }, - { 0x000000c8, 0x00000000, 0x0000c422 }, - { 0x000000c7, 0x000000d0, 0x0000c423 }, - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c7, 0x000000e0, 0x0000c41e }, - { 0x000000c8, 0x00000000, 0x0000c423 }, - { 0x000000c8, 0x00000000, 0x0000c423 }, - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c7, 0x000000d0, 0x0000c424 }, - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c7, 0x000000f0, 0x0000c41e }, - { 0x000000c8, 0x00000000, 0x0000c424 }, - { 0x000000c7, 0x00000000, 0x0000c41e }, - { 0x000000c7, 0x0000007f, 0x0000c414 }, - { 0x000000c7, 0x0000007f, 0x0000c415 }, - { 0x000000c7, 0x00000030, 0x0000c405 }, - { 0x000000c7, 0x00000000, 0x0000c406 }, - { 0x000000c7, 0x0000001f, 0x0000c415 }, - { 0x000000c7, 0x000000ff, 0x0000c416 }, - { 0x000000c7, 0x000000ff, 0x0000c418 }, - { 0x000000c7, 0x00000051, 0x0000c41f }, // here - { 0x000000c7, 0x00000016, 0x0000c420 }, // here - { 0x000000c7, 0x00000053, 0x0000c421 }, - { 0x000000c7, 0x000000c1, 0x0000c425 }, // here - { 0x000000c7, 0x00000014, 0x0000c426 }, // here - { 0x000000c7, 0x00000082, 0x0000c400 }, - { 0x000000c7, 0x00000000, 0x0000c402 }, - { 0x000000c7, 0x00000000, 0x0000c401 }, - /**/ { } /* Terminating entry */ }; -- GitLab From 736949862ceda7b6a9e5a867f81898e90be919d0 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Tue, 12 Aug 2008 16:56:34 -0300 Subject: [PATCH 3786/6244] V4L/DVB (8736): dtv5100: CodingStyle cleanups Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dtv5100.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dtv5100.c b/drivers/media/dvb/dvb-usb/dtv5100.c index 7168a49cecf4..b2e6f7ff1a08 100644 --- a/drivers/media/dvb/dvb-usb/dtv5100.c +++ b/drivers/media/dvb/dvb-usb/dtv5100.c @@ -32,7 +32,7 @@ MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, - u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) + u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { u8 request; u8 type; @@ -44,14 +44,14 @@ static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, /* write { reg }, read { value } */ request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ : DTV5100_TUNER_READ); - type = USB_TYPE_VENDOR|USB_DIR_IN; + type = USB_TYPE_VENDOR | USB_DIR_IN; value = 0; break; case 2: /* write { reg, value } */ request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE : DTV5100_TUNER_WRITE); - type = USB_TYPE_VENDOR|USB_DIR_OUT; + type = USB_TYPE_VENDOR | USB_DIR_OUT; value = wbuf[1]; break; default: @@ -68,7 +68,7 @@ static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, /* I2C */ static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], - int num) + int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int i; @@ -116,7 +116,7 @@ static struct zl10353_config dtv5100_zl10353_config = { static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap) { adap->fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config, - &adap->dev->i2c_adap); + &adap->dev->i2c_adap); if (adap->fe == NULL) return -EIO; @@ -147,11 +147,10 @@ static int dtv5100_probe(struct usb_interface *intf, struct usb_device *udev = interface_to_usbdev(intf); /* initialize non qt1010/zl10353 part? */ - for (i = 0; dtv5100_init[i].request; i++) - { + for (i = 0; dtv5100_init[i].request; i++) { ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), dtv5100_init[i].request, - USB_TYPE_VENDOR|USB_DIR_OUT, + USB_TYPE_VENDOR | USB_DIR_OUT, dtv5100_init[i].value, dtv5100_init[i].index, NULL, 0, DTV5100_USB_TIMEOUT); -- GitLab From 5ebcfa4f92ed06129d9439198f65456abe1bfe3a Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 18 Aug 2008 18:22:00 -0300 Subject: [PATCH 3787/6244] V4L/DVB (8738): dtv5100: remove old definition from header Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dtv5100.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dtv5100.h b/drivers/media/dvb/dvb-usb/dtv5100.h index e36bf2d5c944..93e96e04a82a 100644 --- a/drivers/media/dvb/dvb-usb/dtv5100.h +++ b/drivers/media/dvb/dvb-usb/dtv5100.h @@ -48,6 +48,4 @@ static struct { { } /* Terminating entry */ }; -extern struct dvb_frontend* dtv5100_fe_attach(void); - #endif -- GitLab From 664b11fc725830b59265cd9ec35a4396514d2b26 Mon Sep 17 00:00:00 2001 From: Antoine Jacquet Date: Mon, 18 Aug 2008 18:38:51 -0300 Subject: [PATCH 3788/6244] V4L/DVB (8739): dtv5100: remove prohibited space... Signed-off-by: Antoine Jacquet Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dtv5100.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dtv5100.c b/drivers/media/dvb/dvb-usb/dtv5100.c index b2e6f7ff1a08..078ce92ca436 100644 --- a/drivers/media/dvb/dvb-usb/dtv5100.c +++ b/drivers/media/dvb/dvb-usb/dtv5100.c @@ -166,7 +166,7 @@ static int dtv5100_probe(struct usb_interface *intf, return 0; } -static struct usb_device_id dtv5100_table [] = { +static struct usb_device_id dtv5100_table[] = { { USB_DEVICE(0x06be, 0xa232) }, { } /* Terminating entry */ }; -- GitLab From 513edce60f184d90ef4a6d33917264d49c2b07fd Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Mon, 18 Aug 2008 17:38:01 -0300 Subject: [PATCH 3789/6244] V4L/DVB (8742): pvrusb2: use proper byteorder interface ___swab32 is an internal detail of the implementation. Acked-by: Mike Isely Signed-off-by: Harvey Harrison Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index f051c6aa7f1f..7fa903ad26bb 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1314,8 +1314,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) memcpy(fw_ptr, fw_entry->data + fw_done, bcnt); /* Usbsnoop log shows that we must swap bytes... */ for (icnt = 0; icnt < bcnt/4 ; icnt++) - ((u32 *)fw_ptr)[icnt] = - ___swab32(((u32 *)fw_ptr)[icnt]); + ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]); ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt, &actual_length, HZ); -- GitLab From 614b147b4f8f38a090f88ac02f67b01225bb5d54 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 22 Aug 2008 17:01:45 -0300 Subject: [PATCH 3790/6244] V4L/DVB (8745): v4l2: fix a bunch of compile warnings. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_core.c | 2 +- drivers/media/dvb/b2c2/flexcop-dma.c | 2 +- drivers/media/video/btcx-risc.c | 2 +- drivers/media/video/saa7134/saa7134-core.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c index d01965e96927..d599d360da3f 100644 --- a/drivers/media/common/saa7146_core.c +++ b/drivers/media/common/saa7146_core.c @@ -234,7 +234,7 @@ void saa7146_pgtable_free(struct pci_dev *pci, struct saa7146_pgtable *pt) int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt) { __le32 *cpu; - dma_addr_t dma_addr; + dma_addr_t dma_addr = 0; cpu = pci_alloc_consistent(pci, PAGE_SIZE, &dma_addr); if (NULL == cpu) { diff --git a/drivers/media/dvb/b2c2/flexcop-dma.c b/drivers/media/dvb/b2c2/flexcop-dma.c index a91ed28f03a4..26f0011a5078 100644 --- a/drivers/media/dvb/b2c2/flexcop-dma.c +++ b/drivers/media/dvb/b2c2/flexcop-dma.c @@ -10,7 +10,7 @@ int flexcop_dma_allocate(struct pci_dev *pdev, struct flexcop_dma *dma, u32 size) { u8 *tcpu; - dma_addr_t tdma; + dma_addr_t tdma = 0; if (size % 2) { err("dma buffersize has to be even."); diff --git a/drivers/media/video/btcx-risc.c b/drivers/media/video/btcx-risc.c index 3324ab38f58c..ac1b2687a20d 100644 --- a/drivers/media/video/btcx-risc.c +++ b/drivers/media/video/btcx-risc.c @@ -64,7 +64,7 @@ int btcx_riscmem_alloc(struct pci_dev *pci, unsigned int size) { __le32 *cpu; - dma_addr_t dma; + dma_addr_t dma = 0; if (NULL != risc->cpu && risc->size < size) btcx_riscmem_free(pci,risc); diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 64f20fd4631f..148aa81dc246 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -215,7 +215,7 @@ unsigned long saa7134_buffer_base(struct saa7134_buf *buf) int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) { __le32 *cpu; - dma_addr_t dma_addr; + dma_addr_t dma_addr = 0; cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); if (NULL == cpu) -- GitLab From eda9e4e29492aff55ceb3f719a6011bddc60a892 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 22 Aug 2008 17:12:08 -0300 Subject: [PATCH 3791/6244] V4L/DVB (8746): v4l-dvb: fix compile warnings. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/nxt200x.c | 4 ++-- drivers/media/dvb/frontends/or51211.c | 2 +- drivers/media/video/vino.c | 6 +++--- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index af298358e822..a8429ebfa8a2 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -80,7 +80,7 @@ static int i2c_writebytes (struct nxt200x_state* state, u8 addr, u8 *buf, u8 len return 0; } -static u8 i2c_readbytes (struct nxt200x_state* state, u8 addr, u8* buf, u8 len) +static int i2c_readbytes(struct nxt200x_state *state, u8 addr, u8 *buf, u8 len) { int err; struct i2c_msg msg = { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len }; @@ -111,7 +111,7 @@ static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, return 0; } -static u8 nxt200x_readbytes (struct nxt200x_state* state, u8 reg, u8* buf, u8 len) +static int nxt200x_readbytes(struct nxt200x_state *state, u8 reg, u8 *buf, u8 len) { u8 reg2 [] = { reg }; diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c index 6afe12aaca4e..16cf2fdd5d7d 100644 --- a/drivers/media/dvb/frontends/or51211.c +++ b/drivers/media/dvb/frontends/or51211.c @@ -88,7 +88,7 @@ static int i2c_writebytes (struct or51211_state* state, u8 reg, const u8 *buf, return 0; } -static u8 i2c_readbytes (struct or51211_state* state, u8 reg, u8* buf, int len) +static int i2c_readbytes(struct or51211_state *state, u8 reg, u8 *buf, int len) { int err; struct i2c_msg msg; diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c index 7072cdf74ed4..ca421cc84f8f 100644 --- a/drivers/media/video/vino.c +++ b/drivers/media/video/vino.c @@ -809,7 +809,7 @@ static void vino_free_buffer_with_count(struct vino_framebuffer *fb, dprintk("vino_free_buffer_with_count(): count = %d\n", count); for (i = 0; i < count; i++) { - ClearPageReserved(virt_to_page(fb->desc_table.virtual[i])); + ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); dma_unmap_single(NULL, fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], PAGE_SIZE, DMA_FROM_DEVICE); @@ -887,7 +887,7 @@ static int vino_allocate_buffer(struct vino_framebuffer *fb, dma_data_addr + VINO_PAGE_SIZE * j; } - SetPageReserved(virt_to_page(fb->desc_table.virtual[i])); + SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); } /* page_count needs to be set anyway, because the descriptor table has @@ -974,7 +974,7 @@ static int vino_prepare_user_buffer(struct vino_framebuffer *fb, dma_data_addr + VINO_PAGE_SIZE * j; } - SetPageReserved(virt_to_page(fb->desc_table.virtual[i])); + SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); } /* page_count needs to be set anyway, because the descriptor table has -- GitLab From ef0e3c26efe9c52de62b96fdad94de3ed70489d0 Mon Sep 17 00:00:00 2001 From: Henrik Kretzschmar Date: Fri, 22 Aug 2008 17:13:05 -0300 Subject: [PATCH 3792/6244] V4L/DVB (8748): V4L: fix return value of meye probe callback The return vaule of the probe function should return -ENOMEM instead of -EBUSY if video_device_alloc() fails. Signed-off-by: Henrik Kretzschmar Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/meye.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c index cdaff2fdf394..102a5b9cfd12 100644 --- a/drivers/media/video/meye.c +++ b/drivers/media/video/meye.c @@ -1779,6 +1779,7 @@ static int __devinit meye_probe(struct pci_dev *pcidev, goto outnotdev; } + ret = -ENOMEM; meye.mchip_dev = pcidev; meye.video_dev = video_device_alloc(); if (!meye.video_dev) { @@ -1786,7 +1787,6 @@ static int __devinit meye_probe(struct pci_dev *pcidev, goto outnotdev; } - ret = -ENOMEM; meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); if (!meye.grab_temp) { printk(KERN_ERR "meye: grab buffer allocation failed\n"); -- GitLab From ee7aa9f821b27674f36fc09413914b68f7ad97ca Mon Sep 17 00:00:00 2001 From: Henrik Kretzschmar Date: Fri, 22 Aug 2008 16:41:03 -0300 Subject: [PATCH 3793/6244] V4L/DVB (8750): V4L: check inval in video_register_device_index() Better check the video_device pointer before using it. Signed-off-by: Henrik Kretzschmar Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 6b9f3cb0de98..8903e41628eb 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -254,6 +254,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int ret; char *name_base; + if (vfd == NULL) + return -EINVAL; + if (vfd == NULL) return -EINVAL; -- GitLab From 14d962602c8bf86e63c9b9272be1f0360d0a448a Mon Sep 17 00:00:00 2001 From: Dean Anderson Date: Mon, 25 Aug 2008 13:58:55 -0300 Subject: [PATCH 3794/6244] V4L/DVB (8752): s2255drv: firmware improvement patch Fix for reloading firmware when removing and reloading driver Handshaking for firmware loading and changing modes. Removes the restriction of one user per channel at a time. JPEG capture mode added. Signed-off-by: Dean Anderson Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s2255drv.c | 535 ++++++++++++++++++--------------- 1 file changed, 297 insertions(+), 238 deletions(-) diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index de39cf0890fc..af19bb346ef1 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -67,20 +67,21 @@ /* USB endpoint number for configuring the device */ #define S2255_CONFIG_EP 2 /* maximum time for DSP to start responding after last FW word loaded(ms) */ -#define S2255_DSP_BOOTTIME 400 +#define S2255_DSP_BOOTTIME 800 /* maximum time to wait for firmware to load (ms) */ #define S2255_LOAD_TIMEOUT (5000 + S2255_DSP_BOOTTIME) #define S2255_DEF_BUFS 16 +#define S2255_SETMODE_TIMEOUT 500 #define MAX_CHANNELS 4 -#define FRAME_MARKER 0x2255DA4AL -#define MAX_PIPE_USBBLOCK (40 * 1024) -#define DEFAULT_PIPE_USBBLOCK (16 * 1024) +#define S2255_MARKER_FRAME 0x2255DA4AL +#define S2255_MARKER_RESPONSE 0x2255ACACL +#define S2255_USB_XFER_SIZE (16 * 1024) #define MAX_CHANNELS 4 #define MAX_PIPE_BUFFERS 1 #define SYS_FRAMES 4 /* maximum size is PAL full size plus room for the marker header(s) */ -#define SYS_FRAMES_MAXSIZE (720 * 288 * 2 * 2 + 4096) -#define DEF_USB_BLOCK (4096) +#define SYS_FRAMES_MAXSIZE (720*288*2*2 + 4096) +#define DEF_USB_BLOCK S2255_USB_XFER_SIZE #define LINE_SZ_4CIFS_NTSC 640 #define LINE_SZ_2CIFS_NTSC 640 #define LINE_SZ_1CIFS_NTSC 320 @@ -108,6 +109,9 @@ #define COLOR_YUVPL 1 /* YUV planar */ #define COLOR_YUVPK 2 /* YUV packed */ #define COLOR_Y8 4 /* monochrome */ +#define COLOR_JPG 5 /* JPEG */ +#define MASK_COLOR 0xff +#define MASK_JPG_QUALITY 0xff00 /* frame decimation. Not implemented by V4L yet(experimental in V4L) */ #define FDEC_1 1 /* capture every frame. default */ @@ -148,16 +152,14 @@ struct s2255_mode { u32 restart; /* if DSP requires restart */ }; -/* frame structure */ -#define FRAME_STATE_UNUSED 0 -#define FRAME_STATE_FILLING 1 -#define FRAME_STATE_FULL 2 +#define S2255_READ_IDLE 0 +#define S2255_READ_FRAME 1 +/* frame structure */ struct s2255_framei { unsigned long size; - - unsigned long ulState; /* ulState ==0 unused, 1 being filled, 2 full */ + unsigned long ulState; /* ulState:S2255_READ_IDLE, S2255_READ_FRAME*/ void *lpvbits; /* image data */ unsigned long cur_size; /* current data copied to it */ }; @@ -188,6 +190,10 @@ struct s2255_dmaqueue { #define S2255_FW_FAILED 3 #define S2255_FW_DISCONNECTING 4 +#define S2255_FW_MARKER 0x22552f2f +/* 2255 read states */ +#define S2255_READ_IDLE 0 +#define S2255_READ_FRAME 1 struct s2255_fw { int fw_loaded; int fw_size; @@ -195,7 +201,6 @@ struct s2255_fw { atomic_t fw_state; void *pfw_data; wait_queue_head_t wait_fw; - struct timer_list dsp_wait; const struct firmware *fw; }; @@ -242,10 +247,20 @@ struct s2255_dev { int last_frame[MAX_CHANNELS]; u32 cc; /* current channel */ int b_acquire[MAX_CHANNELS]; + /* allocated image size */ unsigned long req_image_size[MAX_CHANNELS]; + /* received packet size */ + unsigned long pkt_size[MAX_CHANNELS]; int bad_payload[MAX_CHANNELS]; unsigned long frame_count[MAX_CHANNELS]; int frame_ready; + /* if JPEG image */ + int jpg_size[MAX_CHANNELS]; + /* if channel configured to default state */ + int chn_configured[MAX_CHANNELS]; + wait_queue_head_t wait_setmode[MAX_CHANNELS]; + int setmode_ready[MAX_CHANNELS]; + int chn_ready; struct kref kref; spinlock_t slock; }; @@ -306,12 +321,16 @@ static void s2255_stop_readpipe(struct s2255_dev *dev); static int s2255_start_acquire(struct s2255_dev *dev, unsigned long chn); static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn); static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf, - int chn); + int chn, int jpgsize); static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, struct s2255_mode *mode); static int s2255_board_shutdown(struct s2255_dev *dev); static void s2255_exit_v4l(struct s2255_dev *dev); -static void s2255_fwload_start(struct s2255_dev *dev); +static void s2255_fwload_start(struct s2255_dev *dev, int reset); +static void s2255_destroy(struct kref *kref); +static long s2255_vendor_req(struct s2255_dev *dev, unsigned char req, + u16 index, u16 value, void *buf, + s32 buf_len, int bOut); #define dprintk(level, fmt, arg...) \ do { \ @@ -406,6 +425,10 @@ static const struct s2255_fmt formats[] = { .name = "4:2:2, packed, UYVY", .fourcc = V4L2_PIX_FMT_UYVY, .depth = 16 + }, { + .name = "JPG", + .fourcc = V4L2_PIX_FMT_JPEG, + .depth = 24 }, { .name = "8bpp GREY", .fourcc = V4L2_PIX_FMT_GREY, @@ -464,6 +487,13 @@ static void planar422p_to_yuv_packed(const unsigned char *in, return; } +void s2255_reset_dsppower(struct s2255_dev *dev) +{ + s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1); + msleep(10); + s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); + return; +} /* kickstarts the firmware loading. from probe */ @@ -480,18 +510,6 @@ static void s2255_timer(unsigned long user_data) } } -/* called when DSP is up and running. DSP is guaranteed to - be running after S2255_DSP_BOOTTIME */ -static void s2255_dsp_running(unsigned long user_data) -{ - struct s2255_fw *data = (struct s2255_fw *)user_data; - dprintk(1, "dsp running\n"); - atomic_set(&data->fw_state, S2255_FW_SUCCESS); - wake_up(&data->wait_fw); - printk(KERN_INFO "s2255: firmware loaded successfully\n"); - return; -} - /* this loads the firmware asynchronously. Originally this was done synchroously in probe. @@ -549,19 +567,14 @@ static void s2255_fwchunk_complete(struct urb *urb) } data->fw_loaded += len; } else { - init_timer(&data->dsp_wait); - data->dsp_wait.function = s2255_dsp_running; - data->dsp_wait.data = (unsigned long)data; atomic_set(&data->fw_state, S2255_FW_LOADED_DSPWAIT); - mod_timer(&data->dsp_wait, msecs_to_jiffies(S2255_DSP_BOOTTIME) - + jiffies); } dprintk(100, "2255 complete done\n"); return; } -static int s2255_got_frame(struct s2255_dev *dev, int chn) +static int s2255_got_frame(struct s2255_dev *dev, int chn, int jpgsize) { struct s2255_dmaqueue *dma_q = &dev->vidq[chn]; struct s2255_buffer *buf; @@ -586,8 +599,7 @@ static int s2255_got_frame(struct s2255_dev *dev, int chn) list_del(&buf->vb.queue); do_gettimeofday(&buf->vb.ts); dprintk(100, "[%p/%d] wakeup\n", buf, buf->vb.i); - - s2255_fillbuff(dev, buf, dma_q->channel); + s2255_fillbuff(dev, buf, dma_q->channel, jpgsize); wake_up(&buf->vb.done); dprintk(2, "wakeup [buf/i] [%p/%d]\n", buf, buf->vb.i); unlock: @@ -621,7 +633,7 @@ static const struct s2255_fmt *format_by_fourcc(int fourcc) * */ static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf, - int chn) + int chn, int jpgsize) { int pos = 0; struct timeval ts; @@ -649,6 +661,10 @@ static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf, case V4L2_PIX_FMT_GREY: memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height); break; + case V4L2_PIX_FMT_JPEG: + buf->vb.size = jpgsize; + memcpy(vbuf, tmpbuf, buf->vb.size); + break; case V4L2_PIX_FMT_YUV422P: memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height * 2); @@ -657,9 +673,6 @@ static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf, printk(KERN_DEBUG "s2255: unknown format?\n"); } dev->last_frame[chn] = -1; - /* done with the frame, free it */ - frm->ulState = 0; - dprintk(4, "freeing buffer\n"); } else { printk(KERN_ERR "s2255: =======no frame\n"); return; @@ -1021,6 +1034,9 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, case V4L2_PIX_FMT_GREY: fh->mode.color = COLOR_Y8; break; + case V4L2_PIX_FMT_JPEG: + fh->mode.color = COLOR_JPG | (50 << 8); + break; case V4L2_PIX_FMT_YUV422P: fh->mode.color = COLOR_YUVPL; break; @@ -1139,7 +1155,7 @@ static u32 get_transfer_size(struct s2255_mode *mode) } } outImageSize = linesPerFrame * pixelsPerLine; - if (mode->color != COLOR_Y8) { + if ((mode->color & MASK_COLOR) != COLOR_Y8) { /* 2 bytes/pixel if not monochrome */ outImageSize *= 2; } @@ -1185,6 +1201,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, u32 *buffer; unsigned long chn_rev; + mutex_lock(&dev->lock); chn_rev = G_chnmap[chn]; dprintk(3, "mode scale [%ld] %p %d\n", chn, mode, mode->scale); dprintk(3, "mode scale [%ld] %p %d\n", chn, &dev->mode[chn], @@ -1199,6 +1216,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, buffer = kzalloc(512, GFP_KERNEL); if (buffer == NULL) { dev_err(&dev->udev->dev, "out of mem\n"); + mutex_unlock(&dev->lock); return -ENOMEM; } @@ -1214,12 +1232,20 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, dprintk(1, "set mode done chn %lu, %d\n", chn, res); /* wait at least 3 frames before continuing */ - if (mode->restart) - msleep(125); + if (mode->restart) { + dev->setmode_ready[chn] = 0; + wait_event_timeout(dev->wait_setmode[chn], + (dev->setmode_ready[chn] != 0), + msecs_to_jiffies(S2255_SETMODE_TIMEOUT)); + if (dev->setmode_ready[chn] != 1) { + printk(KERN_DEBUG "s2255: no set mode response\n"); + res = -EFAULT; + } + } /* clear the restart flag */ dev->mode[chn].restart = 0; - + mutex_unlock(&dev->lock); return res; } @@ -1270,7 +1296,7 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) dev->cur_frame[chn] = 0; dev->frame_count[chn] = 0; for (j = 0; j < SYS_FRAMES; j++) { - dev->buffer[chn].frame[j].ulState = 0; + dev->buffer[chn].frame[j].ulState = S2255_READ_IDLE; dev->buffer[chn].frame[j].cur_size = 0; } res = videobuf_streamon(&fh->vb_vidq); @@ -1455,6 +1481,7 @@ static int s2255_open(struct inode *inode, struct file *file) enum v4l2_buf_type type = 0; int i = 0; int cur_channel = -1; + int state; dprintk(1, "s2255: open called (minor=%d)\n", minor); lock_kernel(); @@ -1471,47 +1498,77 @@ static int s2255_open(struct inode *inode, struct file *file) if ((NULL == dev) || (cur_channel == -1)) { unlock_kernel(); - dprintk(1, "s2255: openv4l no dev\n"); + printk(KERN_INFO "s2255: openv4l no dev\n"); return -ENODEV; } + if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_DISCONNECTING) { + unlock_kernel(); + printk(KERN_INFO "disconnecting\n"); + return -ENODEV; + } + kref_get(&dev->kref); mutex_lock(&dev->open_lock); dev->users[cur_channel]++; dprintk(4, "s2255: open_handles %d\n", dev->users[cur_channel]); - if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_FAILED) { + switch (atomic_read(&dev->fw_data->fw_state)) { + case S2255_FW_FAILED: err("2255 firmware load failed. retrying.\n"); - s2255_fwload_start(dev); + s2255_fwload_start(dev, 1); wait_event_timeout(dev->fw_data->wait_fw, - (atomic_read(&dev->fw_data->fw_state) - != S2255_FW_NOTLOADED), + ((atomic_read(&dev->fw_data->fw_state) + == S2255_FW_SUCCESS) || + (atomic_read(&dev->fw_data->fw_state) + == S2255_FW_DISCONNECTING)), msecs_to_jiffies(S2255_LOAD_TIMEOUT)); - if (atomic_read(&dev->fw_data->fw_state) - != S2255_FW_SUCCESS) { - printk(KERN_INFO "2255 FW load failed.\n"); - dev->users[cur_channel]--; - mutex_unlock(&dev->open_lock); - unlock_kernel(); - return -EFAULT; - } - } else if (atomic_read(&dev->fw_data->fw_state) == S2255_FW_NOTLOADED) { + break; + case S2255_FW_NOTLOADED: + case S2255_FW_LOADED_DSPWAIT: /* give S2255_LOAD_TIMEOUT time for firmware to load in case driver loaded and then device immediately opened */ printk(KERN_INFO "%s waiting for firmware load\n", __func__); wait_event_timeout(dev->fw_data->wait_fw, - (atomic_read(&dev->fw_data->fw_state) - != S2255_FW_NOTLOADED), - msecs_to_jiffies(S2255_LOAD_TIMEOUT)); - if (atomic_read(&dev->fw_data->fw_state) - != S2255_FW_SUCCESS) { - printk(KERN_INFO "2255 firmware not loaded" - "try again\n"); - dev->users[cur_channel]--; - mutex_unlock(&dev->open_lock); - unlock_kernel(); - return -EBUSY; + ((atomic_read(&dev->fw_data->fw_state) + == S2255_FW_SUCCESS) || + (atomic_read(&dev->fw_data->fw_state) + == S2255_FW_DISCONNECTING)), + msecs_to_jiffies(S2255_LOAD_TIMEOUT)); + break; + case S2255_FW_SUCCESS: + default: + break; + } + state = atomic_read(&dev->fw_data->fw_state); + if (state != S2255_FW_SUCCESS) { + int rc; + switch (state) { + case S2255_FW_FAILED: + printk(KERN_INFO "2255 FW load failed. %d\n", state); + rc = -ENODEV; + break; + case S2255_FW_DISCONNECTING: + printk(KERN_INFO "%s: disconnecting\n", __func__); + rc = -ENODEV; + break; + case S2255_FW_LOADED_DSPWAIT: + case S2255_FW_NOTLOADED: + printk(KERN_INFO "%s: firmware not loaded yet" + "please try again later\n", + __func__); + rc = -EAGAIN; + break; + default: + printk(KERN_INFO "%s: unknown state\n", __func__); + rc = -EFAULT; + break; } + dev->users[cur_channel]--; + mutex_unlock(&dev->open_lock); + kref_put(&dev->kref, s2255_destroy); + unlock_kernel(); + return rc; } /* allocate + initialize per filehandle data */ @@ -1519,6 +1576,7 @@ static int s2255_open(struct inode *inode, struct file *file) if (NULL == fh) { dev->users[cur_channel]--; mutex_unlock(&dev->open_lock); + kref_put(&dev->kref, s2255_destroy); unlock_kernel(); return -ENOMEM; } @@ -1533,6 +1591,13 @@ static int s2255_open(struct inode *inode, struct file *file) fh->height = NUM_LINES_4CIFS_NTSC * 2; fh->channel = cur_channel; + /* configure channel to default state */ + if (!dev->chn_configured[cur_channel]) { + s2255_set_mode(dev, cur_channel, &fh->mode); + dev->chn_configured[cur_channel] = 1; + } + + /* Put all controls at a sane state */ for (i = 0; i < ARRAY_SIZE(s2255_qctrl); i++) qctl_regs[i] = s2255_qctrl[i].default_value; @@ -1551,7 +1616,6 @@ static int s2255_open(struct inode *inode, struct file *file) V4L2_FIELD_INTERLACED, sizeof(struct s2255_buffer), fh); - kref_get(&dev->kref); mutex_unlock(&dev->open_lock); unlock_kernel(); return 0; @@ -1575,30 +1639,24 @@ static unsigned int s2255_poll(struct file *file, static void s2255_destroy(struct kref *kref) { struct s2255_dev *dev = to_s2255_dev(kref); + struct list_head *list; + int i; if (!dev) { printk(KERN_ERR "s2255drv: kref problem\n"); return; } - - /* - * Wake up any firmware load waiting (only done in .open, - * which holds the open_lock mutex) - */ atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); wake_up(&dev->fw_data->wait_fw); - - /* prevent s2255_disconnect from racing s2255_open */ + for (i = 0; i < MAX_CHANNELS; i++) { + dev->setmode_ready[i] = 1; + wake_up(&dev->wait_setmode[i]); + } mutex_lock(&dev->open_lock); + /* reset the DSP so firmware can be reload next time */ + s2255_reset_dsppower(dev); s2255_exit_v4l(dev); - /* - * device unregistered so no longer possible to open. open_mutex - * can be unlocked and timers deleted afterwards. - */ - mutex_unlock(&dev->open_lock); - /* board shutdown stops the read pipe if it is running */ s2255_board_shutdown(dev); - /* make sure firmware still not trying to load */ del_timer(&dev->timer); /* only started in .probe and .open */ @@ -1608,23 +1666,19 @@ static void s2255_destroy(struct kref *kref) usb_free_urb(dev->fw_data->fw_urb); dev->fw_data->fw_urb = NULL; } - - /* - * delete the dsp_wait timer, which sets the firmware - * state on completion. This is done before fw_data - * is freed below. - */ - - del_timer(&dev->fw_data->dsp_wait); /* only started in .open */ - if (dev->fw_data->fw) release_firmware(dev->fw_data->fw); kfree(dev->fw_data->pfw_data); kfree(dev->fw_data); - usb_put_dev(dev->udev); dprintk(1, "%s", __func__); kfree(dev); + + while (!list_empty(&s2255_devlist)) { + list = s2255_devlist.next; + list_del(list); + } + mutex_unlock(&dev->open_lock); } static int s2255_close(struct inode *inode, struct file *file) @@ -1760,18 +1814,16 @@ static int s2255_probe_v4l(struct s2255_dev *dev) static void s2255_exit_v4l(struct s2255_dev *dev) { - struct list_head *list; + int i; - /* unregister the video devices */ - while (!list_empty(&s2255_devlist)) { - list = s2255_devlist.next; - list_del(list); - } for (i = 0; i < MAX_CHANNELS; i++) { - if (-1 != dev->vdev[i]->minor) + if (-1 != dev->vdev[i]->minor) { video_unregister_device(dev->vdev[i]); - else + printk(KERN_INFO "s2255 unregistered\n"); + } else { video_device_release(dev->vdev[i]); + printk(KERN_INFO "s2255 released\n"); + } } } @@ -1781,134 +1833,123 @@ static void s2255_exit_v4l(struct s2255_dev *dev) * function again). * * Received frame structure: - * bytes 0-3: marker : 0x2255DA4AL (FRAME_MARKER) + * bytes 0-3: marker : 0x2255DA4AL (S2255_MARKER_FRAME) * bytes 4-7: channel: 0-3 * bytes 8-11: payload size: size of the frame * bytes 12-payloadsize+12: frame data */ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) { - static int dbgsync; /* = 0; */ char *pdest; u32 offset = 0; - int bsync = 0; - int btrunc = 0; + int bframe = 0; char *psrc; unsigned long copy_size; unsigned long size; s32 idx = -1; struct s2255_framei *frm; unsigned char *pdata; - unsigned long cur_size; - int bsearch = 0; - struct s2255_bufferi *buf; + dprintk(100, "buffer to user\n"); idx = dev->cur_frame[dev->cc]; - buf = &dev->buffer[dev->cc]; - frm = &buf->frame[idx]; - - if (frm->ulState == 0) { - frm->ulState = 1; - frm->cur_size = 0; - bsearch = 1; - } else if (frm->ulState == 2) { - /* system frame was not freed */ - dprintk(2, "sys frame not free. overrun ringbuf\n"); - bsearch = 1; - frm->ulState = 1; - frm->cur_size = 0; - } - - if (bsearch) { - if (*(s32 *) pipe_info->transfer_buffer != FRAME_MARKER) { - u32 jj; - if (dbgsync == 0) { - dprintk(3, "not synched, discarding all packets" - "until marker\n"); + frm = &dev->buffer[dev->cc].frame[idx]; - dbgsync++; - } - pdata = (unsigned char *)pipe_info->transfer_buffer; - for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); - jj++) { - if (*(s32 *) pdata == FRAME_MARKER) { - int cc; - dprintk(3, - "found frame marker at offset:" - " %d [%x %x]\n", jj, pdata[0], - pdata[1]); - offset = jj; - bsync = 1; - cc = *(u32 *) (pdata + sizeof(u32)); - if (cc >= MAX_CHANNELS) { - printk(KERN_ERR - "bad channel\n"); - return -EINVAL; - } - /* reverse it */ - dev->cc = G_chnmap[cc]; + if (frm->ulState == S2255_READ_IDLE) { + int jj; + unsigned int cc; + s32 *pdword; + int payload; + /* search for marker codes */ + pdata = (unsigned char *)pipe_info->transfer_buffer; + for (jj = 0; jj < (pipe_info->cur_transfer_size - 12); jj++) { + switch (*(s32 *) pdata) { + case S2255_MARKER_FRAME: + pdword = (s32 *)pdata; + dprintk(4, "found frame marker at offset:" + " %d [%x %x]\n", jj, pdata[0], + pdata[1]); + offset = jj + PREFIX_SIZE; + bframe = 1; + cc = pdword[1]; + if (cc >= MAX_CHANNELS) { + printk(KERN_ERR + "bad channel\n"); + return -EINVAL; + } + /* reverse it */ + dev->cc = G_chnmap[cc]; + payload = pdword[3]; + if (payload > dev->req_image_size[dev->cc]) { + dev->bad_payload[dev->cc]++; + /* discard the bad frame */ + return -EINVAL; + } + dev->pkt_size[dev->cc] = payload; + dev->jpg_size[dev->cc] = pdword[4]; + break; + case S2255_MARKER_RESPONSE: + pdword = (s32 *)pdata; + pdata += DEF_USB_BLOCK; + jj += DEF_USB_BLOCK; + if (pdword[1] >= MAX_CHANNELS) + break; + cc = G_chnmap[pdword[1]]; + if (!(cc >= 0 && cc < MAX_CHANNELS)) + break; + switch (pdword[2]) { + case 0x01: + /* check if channel valid */ + /* set mode ready */ + dev->setmode_ready[cc] = 1; + wake_up(&dev->wait_setmode[cc]); + dprintk(5, "setmode ready %d\n", cc); break; + case 0x10: + + dev->chn_ready |= (1 << cc); + if ((dev->chn_ready & 0x0f) != 0x0f) + break; + /* all channels ready */ + printk(KERN_INFO "s2255: fw loaded\n"); + atomic_set(&dev->fw_data->fw_state, + S2255_FW_SUCCESS); + wake_up(&dev->fw_data->wait_fw); + break; + default: + printk(KERN_INFO "s2255 unknwn resp\n"); } + default: pdata++; + break; } - if (bsync == 0) - return -EINVAL; - } else { - u32 *pword; - u32 payload; - int cc; - dbgsync = 0; - bsync = 1; - pword = (u32 *) pipe_info->transfer_buffer; - cc = pword[1]; - - if (cc >= MAX_CHANNELS) { - printk("invalid channel found. " - "throwing out data!\n"); - return -EINVAL; - } - dev->cc = G_chnmap[cc]; - payload = pword[2]; - if (payload != dev->req_image_size[dev->cc]) { - dprintk(1, "[%d][%d]unexpected payload: %d" - "required: %lu \n", cc, dev->cc, - payload, dev->req_image_size[dev->cc]); - dev->bad_payload[dev->cc]++; - /* discard the bad frame */ - return -EINVAL; - } - - } - } - /* search done. now find out if should be acquiring - on this channel */ - if (!dev->b_acquire[dev->cc]) { - frm->ulState = 0; - return -EINVAL; + if (bframe) + break; + } /* for */ + if (!bframe) + return -EINVAL; } + idx = dev->cur_frame[dev->cc]; frm = &dev->buffer[dev->cc].frame[idx]; - if (frm->ulState == 0) { - frm->ulState = 1; - frm->cur_size = 0; - } else if (frm->ulState == 2) { - /* system frame ring buffer overrun */ - dprintk(2, "sys frame overrun. overwriting frame %d %d\n", - dev->cc, idx); - frm->ulState = 1; - frm->cur_size = 0; + /* search done. now find out if should be acquiring on this channel */ + if (!dev->b_acquire[dev->cc]) { + /* we found a frame, but this channel is turned off */ + frm->ulState = S2255_READ_IDLE; + return -EINVAL; } - if (bsync) { - /* skip the marker 512 bytes (and offset if out of sync) */ - psrc = (u8 *)pipe_info->transfer_buffer + offset + PREFIX_SIZE; - } else { - psrc = (u8 *)pipe_info->transfer_buffer; + if (frm->ulState == S2255_READ_IDLE) { + frm->ulState = S2255_READ_FRAME; + frm->cur_size = 0; } + /* skip the marker 512 bytes (and offset if out of sync) */ + psrc = (u8 *)pipe_info->transfer_buffer + offset; + + if (frm->lpvbits == NULL) { dprintk(1, "s2255 frame buffer == NULL.%p %p %d %d", frm, dev, dev->cc, idx); @@ -1917,33 +1958,20 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) pdest = frm->lpvbits + frm->cur_size; - if (bsync) { - copy_size = - (pipe_info->cur_transfer_size - offset) - PREFIX_SIZE; - if (copy_size > pipe_info->cur_transfer_size) { - printk("invalid copy size, overflow!\n"); - return -ENOMEM; - } - } else { - copy_size = pipe_info->cur_transfer_size; - } + copy_size = (pipe_info->cur_transfer_size - offset); - cur_size = frm->cur_size; - size = dev->req_image_size[dev->cc]; + size = dev->pkt_size[dev->cc] - PREFIX_SIZE; - if ((copy_size + cur_size) > size) { - copy_size = size - cur_size; - btrunc = 1; - } + /* sanity check on pdest */ + if ((copy_size + frm->cur_size) < dev->req_image_size[dev->cc]) + memcpy(pdest, psrc, copy_size); - memcpy(pdest, psrc, copy_size); - cur_size += copy_size; frm->cur_size += copy_size; - dprintk(50, "cur_size size %lu size %lu \n", cur_size, size); + dprintk(4, "cur_size size %lu size %lu \n", frm->cur_size, size); + + if (frm->cur_size >= size) { - if (cur_size >= (size - PREFIX_SIZE)) { u32 cc = dev->cc; - frm->ulState = 2; dprintk(2, "****************[%d]Buffer[%d]full*************\n", cc, idx); dev->last_frame[cc] = dev->cur_frame[cc]; @@ -1952,16 +1980,13 @@ static int save_frame(struct s2255_dev *dev, struct s2255_pipeinfo *pipe_info) if ((dev->cur_frame[cc] == SYS_FRAMES) || (dev->cur_frame[cc] == dev->buffer[cc].dwFrames)) dev->cur_frame[cc] = 0; - - /* signal the semaphore for this channel */ + /* frame ready */ if (dev->b_acquire[cc]) - s2255_got_frame(dev, cc); + s2255_got_frame(dev, cc, dev->jpg_size[cc]); dev->frame_count[cc]++; - } - /* frame was truncated */ - if (btrunc) { - /* return more data to process */ - return EAGAIN; + frm->ulState = S2255_READ_IDLE; + frm->cur_size = 0; + } /* done successfully */ return 0; @@ -1980,8 +2005,8 @@ static void s2255_read_video_callback(struct s2255_dev *dev, } /* otherwise copy to the system buffers */ res = save_frame(dev, pipe_info); - if (res == EAGAIN) - save_frame(dev, pipe_info); + if (res != 0) + dprintk(4, "s2255: read callback failed\n"); dprintk(50, "callback read video done\n"); return; @@ -2101,11 +2126,9 @@ static int s2255_board_init(struct s2255_dev *dev) memset(pipe, 0, sizeof(*pipe)); pipe->dev = dev; - pipe->cur_transfer_size = DEFAULT_PIPE_USBBLOCK; - pipe->max_transfer_size = MAX_PIPE_USBBLOCK; + pipe->cur_transfer_size = S2255_USB_XFER_SIZE; + pipe->max_transfer_size = S2255_USB_XFER_SIZE; - if (pipe->cur_transfer_size > pipe->max_transfer_size) - pipe->cur_transfer_size = pipe->max_transfer_size; pipe->transfer_buffer = kzalloc(pipe->max_transfer_size, GFP_KERNEL); if (pipe->transfer_buffer == NULL) { @@ -2329,7 +2352,7 @@ static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn) kfree(buffer); dev->b_acquire[chn] = 0; - return 0; + return res; } static void s2255_stop_readpipe(struct s2255_dev *dev) @@ -2365,8 +2388,10 @@ static void s2255_stop_readpipe(struct s2255_dev *dev) return; } -static void s2255_fwload_start(struct s2255_dev *dev) +static void s2255_fwload_start(struct s2255_dev *dev, int reset) { + if (reset) + s2255_reset_dsppower(dev); dev->fw_data->fw_size = dev->fw_data->fw->size; atomic_set(&dev->fw_data->fw_state, S2255_FW_NOTLOADED); memcpy(dev->fw_data->pfw_data, @@ -2389,6 +2414,8 @@ static int s2255_probe(struct usb_interface *interface, struct usb_endpoint_descriptor *endpoint; int i; int retval = -ENOMEM; + __le32 *pdata; + int fw_size; dprintk(2, "s2255: probe\n"); @@ -2443,6 +2470,8 @@ static int s2255_probe(struct usb_interface *interface, dev->timer.data = (unsigned long)dev->fw_data; init_waitqueue_head(&dev->fw_data->wait_fw); + for (i = 0; i < MAX_CHANNELS; i++) + init_waitqueue_head(&dev->wait_setmode[i]); dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); @@ -2462,16 +2491,30 @@ static int s2255_probe(struct usb_interface *interface, printk(KERN_ERR "sensoray 2255 failed to get firmware\n"); goto error; } + /* check the firmware is valid */ + fw_size = dev->fw_data->fw->size; + pdata = (__le32 *) &dev->fw_data->fw->data[fw_size - 8]; + if (*pdata != S2255_FW_MARKER) { + printk(KERN_INFO "Firmware invalid.\n"); + retval = -ENODEV; + goto error; + } else { + /* make sure firmware is the latest */ + __le32 *pRel; + pRel = (__le32 *) &dev->fw_data->fw->data[fw_size - 4]; + printk(KERN_INFO "s2255 dsp fw version %x\n", *pRel); + } /* loads v4l specific */ s2255_probe_v4l(dev); + usb_reset_device(dev->udev); /* load 2255 board specific */ s2255_board_init(dev); dprintk(4, "before probe done %p\n", dev); spin_lock_init(&dev->slock); - s2255_fwload_start(dev); + s2255_fwload_start(dev, 0); dev_info(&interface->dev, "Sensoray 2255 detected\n"); return 0; error: @@ -2482,14 +2525,30 @@ error: static void s2255_disconnect(struct usb_interface *interface) { struct s2255_dev *dev = NULL; + int i; dprintk(1, "s2255: disconnect interface %p\n", interface); dev = usb_get_intfdata(interface); + + /* + * wake up any of the timers to allow open_lock to be + * acquired sooner + */ + atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING); + wake_up(&dev->fw_data->wait_fw); + for (i = 0; i < MAX_CHANNELS; i++) { + dev->setmode_ready[i] = 1; + wake_up(&dev->wait_setmode[i]); + } + + mutex_lock(&dev->open_lock); + usb_set_intfdata(interface, NULL); + mutex_unlock(&dev->open_lock); + if (dev) { kref_put(&dev->kref, s2255_destroy); dprintk(1, "s2255drv: disconnect\n"); dev_info(&interface->dev, "s2255usb now disconnected\n"); } - usb_set_intfdata(interface, NULL); } static struct usb_driver s2255_driver = { -- GitLab From 9b0ae867a6fd3035e97e6c33bc07a5bfd7c0f96c Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 22 Aug 2008 17:25:10 -0300 Subject: [PATCH 3795/6244] V4L/DVB (8754): uvcvideo: Implement the USB power management reset_resume method. When a suspended device has been reset instead of being resumed, USB core calls the reset_resume method if available instead of unbinding and rebinding the device. This patch implements reset_resume by reusing the current resume implementation and simplifies the resume method by skipping the controls restore stage. Resuming from autosuspend should be faster. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_driver.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 7e102034d38d..4a2d09988fa2 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1663,7 +1663,7 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message) return uvc_video_suspend(&dev->video); } -static int uvc_resume(struct usb_interface *intf) +static int __uvc_resume(struct usb_interface *intf, int reset) { struct uvc_device *dev = usb_get_intfdata(intf); int ret; @@ -1672,7 +1672,7 @@ static int uvc_resume(struct usb_interface *intf) intf->cur_altsetting->desc.bInterfaceNumber); if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) { - if ((ret = uvc_ctrl_resume_device(dev)) < 0) + if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0) return ret; return uvc_status_resume(dev); @@ -1687,6 +1687,16 @@ static int uvc_resume(struct usb_interface *intf) return uvc_video_resume(&dev->video); } +static int uvc_resume(struct usb_interface *intf) +{ + return __uvc_resume(intf, 0); +} + +static int uvc_reset_resume(struct usb_interface *intf) +{ + return __uvc_resume(intf, 1); +} + /* ------------------------------------------------------------------------ * Driver initialization and cleanup */ @@ -1952,6 +1962,7 @@ struct uvc_driver uvc_driver = { .disconnect = uvc_disconnect, .suspend = uvc_suspend, .resume = uvc_resume, + .reset_resume = uvc_reset_resume, .id_table = uvc_ids, .supports_autosuspend = 1, }, -- GitLab From a928880a5b65aa64bbbac880cdc65de85827ba20 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Fri, 22 Aug 2008 20:46:43 -0300 Subject: [PATCH 3796/6244] V4L/DVB (8770): cx18: get rid of ununsed buffers stolen field cx18: get rid of ununsed buffers stolen field. It's an unused holdover from ivtv. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 1 - drivers/media/video/cx18/cx18-streams.c | 1 - 2 files changed, 2 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 4801bc7fb5b2..db7483bea44a 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -259,7 +259,6 @@ struct cx18_stream { /* Buffer Stats */ u32 buffers; u32 buf_size; - u32 buffers_stolen; /* Buffer Queues */ struct cx18_queue q_free; /* free buffers */ diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 0da57f583bf7..45dc6f399ed4 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -432,7 +432,6 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) default: return -EINVAL; } - s->buffers_stolen = 0; /* mute/unmute video */ cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, -- GitLab From 59ba2b002265f2e862aa7f0df3f13c09ea99c4da Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Fri, 22 Aug 2008 20:55:54 -0300 Subject: [PATCH 3797/6244] V4L/DVB (8771): cx18: Remove redundant struct cx18_queue length member. cx18: Remove redundant struct cx18_queue length member. It can be trivially computed from queue->buffers * stream->buf_size, if ever really needed. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 1 - drivers/media/video/cx18/cx18-fileops.c | 2 +- drivers/media/video/cx18/cx18-queue.c | 6 ------ 3 files changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index db7483bea44a..28c490b1b64e 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -217,7 +217,6 @@ struct cx18_buffer { struct cx18_queue { struct list_head list; u32 buffers; - u32 length; u32 bytesused; }; diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index 1e537fe04a23..2fdbfb994dd5 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -509,7 +509,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) CX18_DEBUG_HI_FILE("Encoder poll\n"); poll_wait(filp, &s->waitq, wait); - if (s->q_full.length || s->q_io.length) + if (s->q_full.buffers || s->q_io.buffers) return POLLIN | POLLRDNORM; if (eof) return POLLHUP; diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index dbe792ac3001..4f3bd43ba802 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -38,7 +38,6 @@ void cx18_queue_init(struct cx18_queue *q) { INIT_LIST_HEAD(&q->list); q->buffers = 0; - q->length = 0; q->bytesused = 0; } @@ -56,7 +55,6 @@ void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, spin_lock_irqsave(&s->qlock, flags); list_add_tail(&buf->list, &q->list); q->buffers++; - q->length += s->buf_size; q->bytesused += buf->bytesused - buf->readpos; spin_unlock_irqrestore(&s->qlock, flags); } @@ -71,7 +69,6 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) buf = list_entry(q->list.next, struct cx18_buffer, list); list_del_init(q->list.next); q->buffers--; - q->length -= s->buf_size; q->bytesused -= buf->bytesused - buf->readpos; } spin_unlock_irqrestore(&s->qlock, flags); @@ -96,9 +93,7 @@ struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, they are not moved to the full queue */ if (s->type != CX18_ENC_STREAM_TYPE_TS) { s->q_free.buffers--; - s->q_free.length -= s->buf_size; s->q_full.buffers++; - s->q_full.length += s->buf_size; s->q_full.bytesused += buf->bytesused; list_move_tail(&buf->list, &s->q_full.list); } @@ -125,7 +120,6 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) list_move_tail(q->list.next, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = 0; s->q_free.buffers++; - s->q_free.length += s->buf_size; } cx18_queue_init(q); spin_unlock_irqrestore(&s->qlock, flags); -- GitLab From b04bce476c57ac844962462ee4c813c44fa942cf Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Fri, 22 Aug 2008 21:03:11 -0300 Subject: [PATCH 3798/6244] V4L/DVB (8772): cx18: Convert cx18_queue buffers member to atomic_t cx18: Convert cx18_queue buffers member to atomic_t. This allows safe concurrent access to check if a queue has data without having to acquire the queue spinlock. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 2 +- drivers/media/video/cx18/cx18-fileops.c | 4 ++-- drivers/media/video/cx18/cx18-ioctl.c | 3 ++- drivers/media/video/cx18/cx18-queue.c | 12 ++++++------ 4 files changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 28c490b1b64e..8812a5ec635f 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -216,7 +216,7 @@ struct cx18_buffer { struct cx18_queue { struct list_head list; - u32 buffers; + atomic_t buffers; u32 bytesused; }; diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index 2fdbfb994dd5..eb0144f95562 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -223,7 +223,7 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, prepare_to_wait(&s->waitq, &wait, TASK_INTERRUPTIBLE); /* New buffers might have become available before we were added to the waitqueue */ - if (!s->q_full.buffers) + if (!atomic_read(&s->q_full.buffers)) schedule(); finish_wait(&s->waitq, &wait); if (signal_pending(current)) { @@ -509,7 +509,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) CX18_DEBUG_HI_FILE("Encoder poll\n"); poll_wait(filp, &s->waitq, wait); - if (s->q_full.buffers || s->q_io.buffers) + if (atomic_read(&s->q_full.buffers) || atomic_read(&s->q_io.buffers)) return POLLIN | POLLRDNORM; if (eof) return POLLHUP; diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index a7f839631d6a..5325c7aacaf3 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -731,7 +731,8 @@ static int cx18_log_status(struct file *file, void *fh) continue; CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags, - (s->buffers - s->q_free.buffers) * 100 / s->buffers, + (s->buffers - atomic_read(&s->q_free.buffers)) + * 100 / s->buffers, (s->buffers * s->buf_size) / 1024, s->buffers); } CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index 4f3bd43ba802..a33ba04a2686 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -37,7 +37,7 @@ void cx18_buf_swap(struct cx18_buffer *buf) void cx18_queue_init(struct cx18_queue *q) { INIT_LIST_HEAD(&q->list); - q->buffers = 0; + atomic_set(&q->buffers, 0); q->bytesused = 0; } @@ -54,7 +54,7 @@ void cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf, } spin_lock_irqsave(&s->qlock, flags); list_add_tail(&buf->list, &q->list); - q->buffers++; + atomic_inc(&q->buffers); q->bytesused += buf->bytesused - buf->readpos; spin_unlock_irqrestore(&s->qlock, flags); } @@ -68,7 +68,7 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) if (!list_empty(&q->list)) { buf = list_entry(q->list.next, struct cx18_buffer, list); list_del_init(q->list.next); - q->buffers--; + atomic_dec(&q->buffers); q->bytesused -= buf->bytesused - buf->readpos; } spin_unlock_irqrestore(&s->qlock, flags); @@ -92,8 +92,8 @@ struct cx18_buffer *cx18_queue_get_buf_irq(struct cx18_stream *s, u32 id, /* the transport buffers are handled differently, they are not moved to the full queue */ if (s->type != CX18_ENC_STREAM_TYPE_TS) { - s->q_free.buffers--; - s->q_full.buffers++; + atomic_dec(&s->q_free.buffers); + atomic_inc(&s->q_full.buffers); s->q_full.bytesused += buf->bytesused; list_move_tail(&buf->list, &s->q_full.list); } @@ -119,7 +119,7 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q) buf = list_entry(q->list.next, struct cx18_buffer, list); list_move_tail(q->list.next, &s->q_free.list); buf->bytesused = buf->readpos = buf->b_flags = 0; - s->q_free.buffers++; + atomic_inc(&s->q_free.buffers); } cx18_queue_init(q); spin_unlock_irqrestore(&s->qlock, flags); -- GitLab From d3c5e7075508a6874d1a53d0a409b0bbbe3a9fbe Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 23 Aug 2008 16:42:29 -0300 Subject: [PATCH 3799/6244] V4L/DVB (8773): cx18: Fix cx18_find_handle() and add error checking cx18: Fix cx18_find_handle() and add error checking. cx18_find_handle() did not find a good task handle and would use the invalid task handle under common conditions. Added a define for the invalid task handle and added error checking as well. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 2 ++ drivers/media/video/cx18/cx18-fileops.c | 43 +++++++++++++++++-------- drivers/media/video/cx18/cx18-ioctl.c | 17 ++++++++-- drivers/media/video/cx18/cx18-streams.c | 8 ++--- 4 files changed, 51 insertions(+), 19 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 8812a5ec635f..26359897d147 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -236,6 +236,8 @@ struct cx18_dvb { struct cx18; /* forward reference */ struct cx18_scb; /* forward reference */ +#define CX18_INVALID_TASK_HANDLE 0xffffffff + struct cx18_stream { /* These first four fields are always set, even if the stream is not actually created. */ diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index eb0144f95562..5f9089907544 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -132,6 +132,7 @@ static void cx18_dualwatch(struct cx18 *cx) u16 new_stereo_mode; const u16 stereo_mask = 0x0300; const u16 dual = 0x0200; + u32 h; new_stereo_mode = cx->params.audio_properties & stereo_mask; memset(&vt, 0, sizeof(vt)); @@ -143,13 +144,21 @@ static void cx18_dualwatch(struct cx18 *cx) if (new_stereo_mode == cx->dualwatch_stereo_mode) return; - new_bitmap = new_stereo_mode | (cx->params.audio_properties & ~stereo_mask); + new_bitmap = new_stereo_mode + | (cx->params.audio_properties & ~stereo_mask); - CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. new audio_bitmask=0x%ux\n", - cx->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); + CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x. " + "new audio_bitmask=0x%ux\n", + cx->dualwatch_stereo_mode, new_stereo_mode, new_bitmap); - if (cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2, - cx18_find_handle(cx), new_bitmap) == 0) { + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_DEBUG_INFO("dualwatch: can't find valid task handle\n"); + return; + } + + if (cx18_vapi(cx, + CX18_CPU_SET_AUDIO_PARAMETERS, 2, h, new_bitmap) == 0) { cx->dualwatch_stereo_mode = new_stereo_mode; return; } @@ -695,20 +704,28 @@ int cx18_v4l2_open(struct inode *inode, struct file *filp) void cx18_mute(struct cx18 *cx) { - if (atomic_read(&cx->ana_capturing)) - cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, - cx18_find_handle(cx), 1); + u32 h; + if (atomic_read(&cx->ana_capturing)) { + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 1); + else + CX18_ERR("Can't find valid task handle for mute\n"); + } CX18_DEBUG_INFO("Mute\n"); } void cx18_unmute(struct cx18 *cx) { + u32 h; if (atomic_read(&cx->ana_capturing)) { - cx18_msleep_timeout(100, 0); - cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, - cx18_find_handle(cx), 12); - cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, - cx18_find_handle(cx), 0); + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) { + cx18_msleep_timeout(100, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, h, 12); + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 0); + } else + CX18_ERR("Can't find valid task handle for unmute\n"); } CX18_DEBUG_INFO("Unmute\n"); } diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 5325c7aacaf3..84507a39f2b8 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -622,6 +622,7 @@ static int cx18_encoder_cmd(struct file *file, void *fh, { struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; + u32 h; switch (enc->cmd) { case V4L2_ENC_CMD_START: @@ -643,8 +644,14 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_PAUSE\n"); + return -EBADFD; + } cx18_mute(cx); - cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h); break; case V4L2_ENC_CMD_RESUME: @@ -654,7 +661,13 @@ static int cx18_encoder_cmd(struct file *file, void *fh, return -EPERM; if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) return 0; - cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_RESUME\n"); + return -EBADFD; + } + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h); cx18_unmute(cx); break; diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 45dc6f399ed4..53c5852bba37 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -119,7 +119,7 @@ static void cx18_stream_init(struct cx18 *cx, int type) s->cx = cx; s->type = type; s->name = cx18_stream_info[type].name; - s->handle = 0xffffffff; + s->handle = CX18_INVALID_TASK_HANDLE; s->dma = cx18_stream_info[type].dma; s->buf_size = cx->stream_buf_size[type]; @@ -548,7 +548,7 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) clear_bit(CX18_F_S_STREAMING, &s->s_flags); cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); - s->handle = 0xffffffff; + s->handle = CX18_INVALID_TASK_HANDLE; if (atomic_read(&cx->tot_capturing) > 0) return 0; @@ -567,8 +567,8 @@ u32 cx18_find_handle(struct cx18 *cx) for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev && s->handle) + if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE)) return s->handle; } - return 0; + return CX18_INVALID_TASK_HANDLE; } -- GitLab From 3b5df8ea40ac533c62b8e5f9f173d985665fc752 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 23 Aug 2008 18:36:50 -0300 Subject: [PATCH 3800/6244] V4L/DVB (8774): cx18: Have CX23418 release buffers at end of capture. cx18: Have CX23418 release buffers at end of capture. The CX23418 reuses task handles so we need to have it release the buffers associated with a task handle at the end of a capture. If we don't, buffer ids used for one type of stream in the driver (MPEG, TS, PCM), could be used for another type of stream by the CX23418, if a previously used handle is assigned to a different type of stream. The driver would drop valid buffers when this happened. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-mailbox.c | 1 + drivers/media/video/cx18/cx18-streams.c | 10 ++++++++++ drivers/media/video/cx18/cx23418.h | 2 +- 3 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 93177514e846..1b9fbf9a6bc5 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -82,6 +82,7 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_APU_RESETAI, API_FAST), + API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, 0), API_ENTRY(0, 0, 0), }; diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 53c5852bba37..4d5b446895cb 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -488,7 +488,14 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* begin_capture */ if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { CX18_DEBUG_WARN("Error starting capture!\n"); + /* Ensure we're really not capturing before releasing MDLs */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + /* FIXME - clean-up DSP0_INT mask, i_flags, s_flags, etc. */ return -EINVAL; } @@ -540,6 +547,9 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); } + /* Tell the CX23418 it can't use our buffers anymore */ + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); + if (s->type != CX18_ENC_STREAM_TYPE_TS) atomic_dec(&cx->ana_capturing); atomic_dec(&cx->tot_capturing); diff --git a/drivers/media/video/cx18/cx23418.h b/drivers/media/video/cx18/cx23418.h index e7ed053059a8..668f968d7761 100644 --- a/drivers/media/video/cx18/cx23418.h +++ b/drivers/media/video/cx18/cx23418.h @@ -351,7 +351,7 @@ Descriptor Lists to the driver IN[0] - Task handle. Handle of the task to start ReturnCode - One of the ERR_DE_... */ -/* #define CX18_CPU_DE_ReleaseMDL (CPU_CMD_MASK_DE | 0x0006) */ +#define CX18_CPU_DE_RELEASE_MDL (CPU_CMD_MASK_DE | 0x0006) /* Description: This command signals the cpu that the dat buffer has been consumed and ready for re-use. -- GitLab From 3ca685aae04960eaa8b2c97baf384996c20cf9ac Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 04:49:13 -0300 Subject: [PATCH 3801/6244] V4L/DVB (8776): radio: replace video_exclusive_open/release Move the video_exclusive_open/release functionality into the driver itself. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-aimslab.c | 16 ++++++++++++++-- drivers/media/radio/radio-aztech.c | 16 ++++++++++++++-- drivers/media/radio/radio-gemtek-pci.c | 18 ++++++++++++++---- drivers/media/radio/radio-gemtek.c | 16 ++++++++++++++-- drivers/media/radio/radio-maestro.c | 18 ++++++++++++++++-- drivers/media/radio/radio-maxiradio.c | 16 ++++++++++++++-- drivers/media/radio/radio-rtrack2.c | 16 ++++++++++++++-- drivers/media/radio/radio-sf16fmi.c | 16 ++++++++++++++-- drivers/media/radio/radio-sf16fmr2.c | 16 ++++++++++++++-- drivers/media/radio/radio-terratec.c | 16 ++++++++++++++-- drivers/media/radio/radio-trust.c | 16 ++++++++++++++-- drivers/media/radio/radio-typhoon.c | 20 +++++++++++++++----- drivers/media/radio/radio-zoltrix.c | 16 ++++++++++++++-- 13 files changed, 185 insertions(+), 31 deletions(-) diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index 1f064f4b32df..b657c7bb47cc 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -51,6 +51,7 @@ static struct mutex lock; struct rt_device { + unsigned long in_use; int port; int curvol; unsigned long curfreq; @@ -378,10 +379,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct rt_device rtrack_unit; +static int rtrack_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &rtrack_unit.in_use) ? -EBUSY : 0; +} + +static int rtrack_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &rtrack_unit.in_use); + return 0; +} + static const struct file_operations rtrack_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = rtrack_exclusive_open, + .release = rtrack_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c index 628c689e3ffe..ae18a7cf0d59 100644 --- a/drivers/media/radio/radio-aztech.c +++ b/drivers/media/radio/radio-aztech.c @@ -70,6 +70,7 @@ static struct mutex lock; struct az_device { + unsigned long in_use; int curvol; unsigned long curfreq; int stereo; @@ -342,10 +343,21 @@ static int vidioc_s_ctrl (struct file *file, void *priv, static struct az_device aztech_unit; +static int aztech_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &aztech_unit.in_use) ? -EBUSY : 0; +} + +static int aztech_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &aztech_unit.in_use); + return 0; +} + static const struct file_operations aztech_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = aztech_exclusive_open, + .release = aztech_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index 5cd7f032298d..a7b9a5df4ca7 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -100,9 +100,8 @@ struct gemtek_pci_card { u8 mute; }; -static const char rcsid[] = "$Id: radio-gemtek-pci.c,v 1.1 2001/07/23 08:08:16 ted Exp ted $"; - static int nr_radio = -1; +static unsigned long in_use; static inline u8 gemtek_pci_out( u16 value, u32 port ) { @@ -364,10 +363,21 @@ MODULE_DEVICE_TABLE( pci, gemtek_pci_id ); static int mx = 1; +static int gemtek_pci_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int gemtek_pci_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static const struct file_operations gemtek_pci_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = gemtek_pci_exclusive_open, + .release = gemtek_pci_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index 0a0f956bb308..cc90329026f2 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -57,6 +57,7 @@ static int shutdown = 1; static int keepmuted = 1; static int initmute = 1; static int radio_nr = -1; +static unsigned long in_use; module_param(io, int, 0444); MODULE_PARM_DESC(io, "Force I/O port for the GemTek Radio card if automatic " @@ -393,10 +394,21 @@ static struct v4l2_queryctrl radio_qctrl[] = { } }; +static int gemtek_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int gemtek_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static const struct file_operations gemtek_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = gemtek_exclusive_open, + .release = gemtek_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c index 9ef0a763eeb7..03c20948eef2 100644 --- a/drivers/media/radio/radio-maestro.c +++ b/drivers/media/radio/radio-maestro.c @@ -75,7 +75,21 @@ static struct v4l2_queryctrl radio_qctrl[] = { static int radio_nr = -1; module_param(radio_nr, int, 0); +static unsigned long in_use; + static int maestro_probe(struct pci_dev *pdev, const struct pci_device_id *ent); + +static int maestro_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int maestro_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static void maestro_remove(struct pci_dev *pdev); static struct pci_device_id maestro_r_pci_tbl[] = { @@ -98,8 +112,8 @@ static struct pci_driver maestro_r_driver = { static const struct file_operations maestro_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = maestro_exclusive_open, + .release = maestro_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index 0cc6fcb041fd..263ef8b02fd8 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -85,6 +85,7 @@ static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16 ; static int radio_nr = -1; module_param(radio_nr, int, 0); +static unsigned long in_use; #define FREQ_LO 50*16000 #define FREQ_HI 150*16000 @@ -99,10 +100,21 @@ module_param(radio_nr, int, 0); #define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF) +static int maxiradio_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int maxiradio_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static const struct file_operations maxiradio_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = maxiradio_exclusive_open, + .release = maxiradio_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c index 6d820e2481e7..5b93b47be714 100644 --- a/drivers/media/radio/radio-rtrack2.c +++ b/drivers/media/radio/radio-rtrack2.c @@ -52,6 +52,7 @@ static spinlock_t lock; struct rt_device { + unsigned long in_use; int port; unsigned long curfreq; int muted; @@ -284,10 +285,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct rt_device rtrack2_unit; +static int rtrack2_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &rtrack2_unit.in_use) ? -EBUSY : 0; +} + +static int rtrack2_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &rtrack2_unit.in_use); + return 0; +} + static const struct file_operations rtrack2_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = rtrack2_exclusive_open, + .release = rtrack2_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 0d478f54a907..55f8334513f3 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -45,6 +45,7 @@ static struct v4l2_queryctrl radio_qctrl[] = { struct fmi_device { + unsigned long in_use; int port; int curvol; /* 1 or 0 */ unsigned long curfreq; /* freq in kHz */ @@ -284,10 +285,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct fmi_device fmi_unit; +static int fmi_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &fmi_unit.in_use) ? -EBUSY : 0; +} + +static int fmi_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &fmi_unit.in_use); + return 0; +} + static const struct file_operations fmi_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = fmi_exclusive_open, + .release = fmi_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 6290553d24be..14153ed939d0 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -64,6 +64,7 @@ static struct v4l2_queryctrl radio_qctrl[] = { /* this should be static vars for module size */ struct fmr2_device { + unsigned long in_use; int port; int curvol; /* 0-15 */ int mute; @@ -400,10 +401,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct fmr2_device fmr2_unit; +static int fmr2_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &fmr2_unit.in_use) ? -EBUSY : 0; +} + +static int fmr2_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &fmr2_unit.in_use); + return 0; +} + static const struct file_operations fmr2_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = fmr2_exclusive_open, + .release = fmr2_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c index 0876fecc5f27..eed14972a940 100644 --- a/drivers/media/radio/radio-terratec.c +++ b/drivers/media/radio/radio-terratec.c @@ -79,6 +79,7 @@ static spinlock_t lock; struct tt_device { + unsigned long in_use; int port; int curvol; unsigned long curfreq; @@ -356,10 +357,21 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct tt_device terratec_unit; +static int terratec_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &terratec_unit.in_use) ? -EBUSY : 0; +} + +static int terratec_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &terratec_unit.in_use); + return 0; +} + static const struct file_operations terratec_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = terratec_exclusive_open, + .release = terratec_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index 193161956253..dd0c425ef3b8 100644 --- a/drivers/media/radio/radio-trust.c +++ b/drivers/media/radio/radio-trust.c @@ -78,6 +78,7 @@ static __u16 curtreble; static unsigned long curfreq; static int curstereo; static int curmute; +static unsigned long in_use; /* i2c addresses */ #define TDA7318_ADDR 0x88 @@ -336,10 +337,21 @@ static int vidioc_s_audio(struct file *file, void *priv, return 0; } +static int trust_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &in_use) ? -EBUSY : 0; +} + +static int trust_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &in_use); + return 0; +} + static const struct file_operations trust_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = trust_exclusive_open, + .release = trust_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c index f8d62cfea774..878468507237 100644 --- a/drivers/media/radio/radio-typhoon.c +++ b/drivers/media/radio/radio-typhoon.c @@ -79,7 +79,7 @@ static struct v4l2_queryctrl radio_qctrl[] = { #endif struct typhoon_device { - int users; + unsigned long in_use; int iobase; int curvol; int muted; @@ -334,10 +334,21 @@ static struct typhoon_device typhoon_unit = .mutefreq = CONFIG_RADIO_TYPHOON_MUTEFREQ, }; +static int typhoon_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &typhoon_unit.in_use) ? -EBUSY : 0; +} + +static int typhoon_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &typhoon_unit.in_use); + return 0; +} + static const struct file_operations typhoon_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = typhoon_exclusive_open, + .release = typhoon_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, @@ -447,8 +458,7 @@ static int __init typhoon_init(void) } typhoon_radio.priv = &typhoon_unit; - if (video_register_device(&typhoon_radio, VFL_TYPE_RADIO, radio_nr) == -1) - { + if (video_register_device(&typhoon_radio, VFL_TYPE_RADIO, radio_nr) < 0) { release_region(io, 8); return -EINVAL; } diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index 51d57ed3b3e1..4d76e710194b 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -69,6 +69,7 @@ static int io = CONFIG_RADIO_ZOLTRIX_PORT; static int radio_nr = -1; struct zol_device { + unsigned long in_use; int port; int curvol; unsigned long curfreq; @@ -396,11 +397,22 @@ static int vidioc_s_audio(struct file *file, void *priv, static struct zol_device zoltrix_unit; +static int zoltrix_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &zoltrix_unit.in_use) ? -EBUSY : 0; +} + +static int zoltrix_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &zoltrix_unit.in_use); + return 0; +} + static const struct file_operations zoltrix_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = zoltrix_exclusive_open, + .release = zoltrix_exclusive_release, .ioctl = video_ioctl2, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, -- GitLab From 2f3d00250ae5b1d2727e2723da805290ec408503 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 04:52:00 -0300 Subject: [PATCH 3802/6244] V4L/DVB (8777): tea575x-tuner: replace video_exclusive_open/release Move the video_exclusive_open/release functionality into the driver itself. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/sound/tea575x-tuner.h | 1 + sound/i2c/other/tea575x-tuner.c | 22 ++++++++++++++++++++-- 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h index b62ce3e077f9..b6870cbaf2b3 100644 --- a/include/sound/tea575x-tuner.h +++ b/include/sound/tea575x-tuner.h @@ -43,6 +43,7 @@ struct snd_tea575x { unsigned int freq_fixup; /* crystal onboard */ unsigned int val; /* hw value */ unsigned long freq; /* frequency */ + unsigned long in_use; /* set if the device is in use */ struct snd_tea575x_ops *ops; void *private_data; }; diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index 83e90057270e..621d7fe3074b 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -175,6 +175,23 @@ static void snd_tea575x_release(struct video_device *vfd) { } +static int snd_tea575x_exclusive_open(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct snd_tea575x *tea = video_get_drvdata(dev); + + return test_and_set_bit(0, &tea->in_use) ? -EBUSY : 0; +} + +static int snd_tea575x_exclusive_release(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct snd_tea575x *tea = video_get_drvdata(dev); + + clear_bit(0, &tea->in_use); + return 0; +} + /* * initialize all the tea575x chips */ @@ -193,9 +210,10 @@ void snd_tea575x_init(struct snd_tea575x *tea) tea->vd.release = snd_tea575x_release; video_set_drvdata(&tea->vd, tea); tea->vd.fops = &tea->fops; + tea->in_use = 0; tea->fops.owner = tea->card->module; - tea->fops.open = video_exclusive_open; - tea->fops.release = video_exclusive_release; + tea->fops.open = snd_tea575x_exclusive_open; + tea->fops.release = snd_tea575x_exclusive_release; tea->fops.ioctl = snd_tea575x_ioctl; if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) { snd_printk(KERN_ERR "unable to register tea575x tuner\n"); -- GitLab From 7d43cd53c851e3cf04d73108d4e7e25a1104c6f5 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 05:31:47 -0300 Subject: [PATCH 3803/6244] V4L/DVB (8780): v4l: replace the last uses of video_exclusive_open/release Handle the video_exclusive_open/release functionality inside the driver. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/arv.c | 19 +++++++++++--- drivers/media/video/bw-qcam.c | 21 +++++++++++++-- drivers/media/video/bw-qcam.h | 1 + drivers/media/video/c-qcam.c | 22 ++++++++++++++-- drivers/media/video/meye.c | 16 ++++-------- drivers/media/video/meye.h | 1 + drivers/media/video/pms.c | 22 ++++++++++++++-- drivers/media/video/saa5246a.c | 30 ++++++---------------- drivers/media/video/saa5249.c | 47 +++++++++++++--------------------- drivers/media/video/w9966.c | 22 ++++++++++++++-- 10 files changed, 128 insertions(+), 73 deletions(-) diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 9e436ad3d34b..0d4f9b683459 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -116,6 +116,7 @@ struct ar_device { int width, height; int frame_bytes, line_bytes; wait_queue_head_t wait; + unsigned long in_use; struct mutex lock; }; @@ -742,10 +743,23 @@ void ar_release(struct video_device *vfd) * Video4Linux Module functions * ****************************************************************************/ +static struct ar_device ardev; + +static int ar_exclusive_open(struct inode *inode, struct file *file) +{ + return test_and_set_bit(0, &ardev.in_use) ? -EBUSY : 0; +} + +static int ar_exclusive_release(struct inode *inode, struct file *file) +{ + clear_bit(0, &ardev.in_use); + return 0; +} + static const struct file_operations ar_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = ar_exclusive_open, + .release = ar_exclusive_release, .read = ar_read, .ioctl = ar_ioctl, #ifdef CONFIG_COMPAT @@ -762,7 +776,6 @@ static struct video_device ar_template = { }; #define ALIGN4(x) ((((int)(x)) & 0x3) == 0) -static struct ar_device ardev; static int __init ar_init(void) { diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index 01f07707827f..e8e1bb122b59 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -894,10 +894,27 @@ static ssize_t qcam_read(struct file *file, char __user *buf, return len; } +static int qcam_exclusive_open(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct qcam_device *qcam = (struct qcam_device *)dev; + + return test_and_set_bit(0, &qcam->in_use) ? -EBUSY : 0; +} + +static int qcam_exclusive_release(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct qcam_device *qcam = (struct qcam_device *)dev; + + clear_bit(0, &qcam->in_use); + return 0; +} + static const struct file_operations qcam_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = qcam_exclusive_open, + .release = qcam_exclusive_release, .ioctl = qcam_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/video/bw-qcam.h b/drivers/media/video/bw-qcam.h index 6701dafbc0da..8a60c5de0935 100644 --- a/drivers/media/video/bw-qcam.h +++ b/drivers/media/video/bw-qcam.h @@ -65,4 +65,5 @@ struct qcam_device { int top, left; int status; unsigned int saved_bits; + unsigned long in_use; }; diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index 7f6c6b4bec10..2196c1dc5aee 100644 --- a/drivers/media/video/c-qcam.c +++ b/drivers/media/video/c-qcam.c @@ -51,6 +51,7 @@ struct qcam_device { int contrast, brightness, whitebal; int top, left; unsigned int bidirectional; + unsigned long in_use; struct mutex lock; }; @@ -687,11 +688,28 @@ static ssize_t qcam_read(struct file *file, char __user *buf, return len; } +static int qcam_exclusive_open(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct qcam_device *qcam = (struct qcam_device *)dev; + + return test_and_set_bit(0, &qcam->in_use) ? -EBUSY : 0; +} + +static int qcam_exclusive_release(struct inode *inode, struct file *file) +{ + struct video_device *dev = video_devdata(file); + struct qcam_device *qcam = (struct qcam_device *)dev; + + clear_bit(0, &qcam->in_use); + return 0; +} + /* video device template */ static const struct file_operations qcam_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = qcam_exclusive_open, + .release = qcam_exclusive_release, .ioctl = qcam_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c index 102a5b9cfd12..6418f4a78f2a 100644 --- a/drivers/media/video/meye.c +++ b/drivers/media/video/meye.c @@ -843,21 +843,16 @@ again: static int meye_open(struct inode *inode, struct file *file) { - int i, err; + int i; - lock_kernel(); - err = video_exclusive_open(inode, file); - if (err < 0) { - unlock_kernel(); - return err; - } + if (test_and_set_bit(0, &meye.in_use)) + return -EBUSY; mchip_hic_stop(); if (mchip_dma_alloc()) { printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); - video_exclusive_release(inode, file); - unlock_kernel(); + clear_bit(0, &meye.in_use); return -ENOBUFS; } @@ -865,7 +860,6 @@ static int meye_open(struct inode *inode, struct file *file) meye.grab_buffer[i].state = MEYE_BUF_UNUSED; kfifo_reset(meye.grabq); kfifo_reset(meye.doneq); - unlock_kernel(); return 0; } @@ -873,7 +867,7 @@ static int meye_release(struct inode *inode, struct file *file) { mchip_hic_stop(); mchip_dma_free(); - video_exclusive_release(inode, file); + clear_bit(0, &meye.in_use); return 0; } diff --git a/drivers/media/video/meye.h b/drivers/media/video/meye.h index d535748df445..5f70a106ba2b 100644 --- a/drivers/media/video/meye.h +++ b/drivers/media/video/meye.h @@ -311,6 +311,7 @@ struct meye { struct video_device *video_dev; /* video device parameters */ struct video_picture picture; /* video picture parameters */ struct meye_params params; /* additional parameters */ + unsigned long in_use; /* set to 1 if the device is in use */ #ifdef CONFIG_PM u8 pm_mchip_mode; /* old mchip mode */ #endif diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index 7c84f795db54..b39794f0baf5 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -47,6 +47,7 @@ struct pms_device struct video_picture picture; int height; int width; + unsigned long in_use; struct mutex lock; }; @@ -881,10 +882,27 @@ static ssize_t pms_read(struct file *file, char __user *buf, return len; } +static int pms_exclusive_open(struct inode *inode, struct file *file) +{ + struct video_device *v = video_devdata(file); + struct pms_device *pd = (struct pms_device *)v; + + return test_and_set_bit(0, &pd->in_use) ? -EBUSY : 0; +} + +static int pms_exclusive_release(struct inode *inode, struct file *file) +{ + struct video_device *v = video_devdata(file); + struct pms_device *pd = (struct pms_device *)v; + + clear_bit(0, &pd->in_use); + return 0; +} + static const struct file_operations pms_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = pms_exclusive_open, + .release = pms_exclusive_release, .ioctl = pms_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index e2c538ee88f2..5f5aa2063e0e 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -61,6 +61,7 @@ struct saa5246a_device u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE]; int is_searching[NUM_DAUS]; struct i2c_client *client; + unsigned long in_use; struct mutex lock; }; @@ -736,22 +737,14 @@ static int saa5246a_open(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); struct saa5246a_device *t = vd->priv; - int err; - lock_kernel(); - err = video_exclusive_open(inode,file); - if (err < 0) { - unlock_kernel(); - return err; - } + if (t->client == NULL) + return -ENODEV; - if (t->client==NULL) { - err = -ENODEV; - goto fail; - } + if (test_and_set_bit(0, &t->in_use)) + return -EBUSY; if (i2c_senddata(t, SAA5246A_REGISTER_R0, - R0_SELECT_R11 | R0_PLL_TIME_CONSTANT_LONG | R0_ENABLE_nODD_EVEN_OUTPUT | @@ -777,17 +770,10 @@ static int saa5246a_open(struct inode *inode, struct file *file) COMMAND_END)) { - err = -EIO; - goto fail; + clear_bit(0, &t->in_use); + return -EIO; } - unlock_kernel(); - return 0; - -fail: - video_exclusive_release(inode,file); - unlock_kernel(); - return err; } static int saa5246a_release(struct inode *inode, struct file *file) @@ -806,7 +792,7 @@ static int saa5246a_release(struct inode *inode, struct file *file) R1_VCS_TO_SCS, COMMAND_END); - video_exclusive_release(inode,file); + clear_bit(0, &t->in_use); return 0; } diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 96c0fdf1a051..dfd8a9338c55 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -110,6 +110,7 @@ struct saa5249_device int disp_mode; int virtual_mode; struct i2c_client *client; + unsigned long in_use; struct mutex lock; }; @@ -631,34 +632,27 @@ static int saa5249_ioctl(struct inode *inode, struct file *file, static int saa5249_open(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5249_device *t=vd->priv; - int err,pgbuf; + struct saa5249_device *t = vd->priv; + int pgbuf; - lock_kernel(); - err = video_exclusive_open(inode,file); - if (err < 0) { - unlock_kernel(); - return err; - } + if (t->client == NULL) + return -ENODEV; - if (t->client==NULL) { - err = -ENODEV; - goto fail; - } + if (test_and_set_bit(0, &t->in_use)) + return -EBUSY; - if (i2c_senddata(t, 0, 0, -1) || /* Select R11 */ - /* Turn off parity checks (we do this ourselves) */ + if (i2c_senddata(t, 0, 0, -1) || /* Select R11 */ + /* Turn off parity checks (we do this ourselves) */ i2c_senddata(t, 1, disp_modes[t->disp_mode][0], 0, -1) || - /* Display TV-picture, no virtual rows */ - i2c_senddata(t, 4, NUM_DAUS, disp_modes[t->disp_mode][1], disp_modes[t->disp_mode][2], 7, -1)) /* Set display to page 4 */ - + /* Display TV-picture, no virtual rows */ + i2c_senddata(t, 4, NUM_DAUS, disp_modes[t->disp_mode][1], disp_modes[t->disp_mode][2], 7, -1)) + /* Set display to page 4 */ { - err = -EIO; - goto fail; + clear_bit(0, &t->in_use); + return -EIO; } - for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) - { + for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) { memset(t->vdau[pgbuf].pgbuf, ' ', sizeof(t->vdau[0].pgbuf)); memset(t->vdau[pgbuf].sregs, 0, sizeof(t->vdau[0].sregs)); memset(t->vdau[pgbuf].laststat, 0, sizeof(t->vdau[0].laststat)); @@ -668,13 +662,7 @@ static int saa5249_open(struct inode *inode, struct file *file) t->is_searching[pgbuf] = false; } t->virtual_mode = false; - unlock_kernel(); return 0; - - fail: - video_exclusive_release(inode,file); - unlock_kernel(); - return err; } @@ -682,10 +670,11 @@ static int saa5249_open(struct inode *inode, struct file *file) static int saa5249_release(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5249_device *t=vd->priv; + struct saa5249_device *t = vd->priv; + i2c_senddata(t, 1, 0x20, -1); /* Turn off CCT */ i2c_senddata(t, 5, 3, 3, -1); /* Turn off TV-display */ - video_exclusive_release(inode,file); + clear_bit(0, &t->in_use); return 0; } diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index 2ff00bc5ad64..c635cffb1fb8 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -113,6 +113,7 @@ struct w9966_dev { signed char contrast; signed char color; signed char hue; + unsigned long in_use; }; /* @@ -184,10 +185,27 @@ static int w9966_v4l_ioctl(struct inode *inode, struct file *file, static ssize_t w9966_v4l_read(struct file *file, char __user *buf, size_t count, loff_t *ppos); +static int w9966_exclusive_open(struct inode *inode, struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct w9966_dev *cam = vdev->priv; + + return test_and_set_bit(0, &cam->in_use) ? -EBUSY : 0; +} + +static int w9966_exclusive_release(struct inode *inode, struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct w9966_dev *cam = vdev->priv; + + clear_bit(0, &cam->in_use); + return 0; +} + static const struct file_operations w9966_fops = { .owner = THIS_MODULE, - .open = video_exclusive_open, - .release = video_exclusive_release, + .open = w9966_exclusive_open, + .release = w9966_exclusive_release, .ioctl = w9966_v4l_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, -- GitLab From cb353588e1946ab709be57dd8545598793acf912 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 05:34:55 -0300 Subject: [PATCH 3804/6244] V4L/DVB (8781): v4l2-dev: remove obsolete video_exclusive_open/release Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 30 ------------------------------ include/media/v4l2-dev.h | 6 ------ 2 files changed, 36 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 8903e41628eb..66bd74b58b06 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -141,34 +141,6 @@ static int video_open(struct inode *inode, struct file *file) return err; } -/* - * open/release helper functions -- handle exclusive opens - * Should be removed soon - */ -int video_exclusive_open(struct inode *inode, struct file *file) -{ - struct video_device *vfl = video_devdata(file); - int retval = 0; - - mutex_lock(&vfl->lock); - if (vfl->users) - retval = -EBUSY; - else - vfl->users++; - mutex_unlock(&vfl->lock); - return retval; -} -EXPORT_SYMBOL(video_exclusive_open); - -int video_exclusive_release(struct inode *inode, struct file *file) -{ - struct video_device *vfl = video_devdata(file); - - vfl->users--; - return 0; -} -EXPORT_SYMBOL(video_exclusive_release); - /** * get_index - assign stream number based on parent device * @vdev: video_device to assign index number to, vdev->dev should be assigned @@ -320,8 +292,6 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, goto fail_minor; } - mutex_init(&vfd->lock); - /* sysfs class */ memset(&vfd->dev, 0x00, sizeof(vfd->dev)); vfd->dev.class = &video_class; diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 2745e1afc722..e472b5d07a55 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -77,10 +77,6 @@ struct video_device * Or use {pci|usb}_{get|set}_drvdata() directly. */ void *priv; #endif - - /* for videodev.c internal usage -- please don't touch */ - int users; /* video_exclusive_{open|close} ... */ - struct mutex lock; /* ... helper function uses these */ }; /* Class-dev to video-device */ @@ -111,8 +107,6 @@ static inline void video_set_drvdata(struct video_device *dev, void *data) /* Obsolete stuff - Still needed for radio devices and obsolete drivers */ extern struct video_device* video_devdata(struct file*); -extern int video_exclusive_open(struct inode *inode, struct file *file); -extern int video_exclusive_release(struct inode *inode, struct file *file); #endif #endif /* _V4L2_DEV_H */ -- GitLab From f9e86b5e9d068854a2cf40f8003ef639e80cca6c Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 05:47:41 -0300 Subject: [PATCH 3805/6244] V4L/DVB (8782): v4l2-dev: add video_device_release_empty Add a second release function: video_device_release_empty It can be used by drivers that have statically allocated video_device structs. Its use usually, but not always, indicates laziness on the part of the driver programmer. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 7 +++++++ include/media/v4l2-dev.h | 5 +++++ 2 files changed, 12 insertions(+) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 66bd74b58b06..fda48a2efda6 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -73,6 +73,13 @@ void video_device_release(struct video_device *vfd) } EXPORT_SYMBOL(video_device_release); +void video_device_release_empty(struct video_device *vfd) +{ + /* Do nothing */ + /* Only valid when the video_device struct is a static. */ +} +EXPORT_SYMBOL(video_device_release_empty); + static void video_release(struct device *cd) { struct video_device *vfd = container_of(cd, struct video_device, dev); diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index e472b5d07a55..30855077be44 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -91,7 +91,12 @@ void video_unregister_device(struct video_device *); /* helper functions to alloc / release struct video_device, the later can be used for video_device->release() */ struct video_device *video_device_alloc(void); +/* this release function frees the vfd pointer */ void video_device_release(struct video_device *vfd); +/* this release function does nothing, use when the video_device is a + static global struct. Note that having a static video_device is + a dubious construction at best. */ +void video_device_release_empty(struct video_device *vfd); #ifdef OBSOLETE_DEVDATA /* to be removed soon */ /* helper functions to access driver private data. */ -- GitLab From aa5e90af7d78d1711f8f4275ce3638817c0023dc Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 06:23:55 -0300 Subject: [PATCH 3806/6244] V4L/DVB (8783): v4l: add all missing video_device release callbacks All drivers that call video_device_register where checked to see if they set the release callback of struct video_device. Where that callback was missing it was added. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-aimslab.c | 1 + drivers/media/radio/radio-aztech.c | 7 ++++--- drivers/media/radio/radio-cadet.c | 1 + drivers/media/radio/radio-gemtek-pci.c | 7 ++++--- drivers/media/radio/radio-gemtek.c | 7 ++++--- drivers/media/radio/radio-maestro.c | 1 + drivers/media/radio/radio-maxiradio.c | 7 ++++--- drivers/media/radio/radio-rtrack2.c | 1 + drivers/media/radio/radio-sf16fmi.c | 1 + drivers/media/radio/radio-sf16fmr2.c | 1 + drivers/media/radio/radio-terratec.c | 1 + drivers/media/radio/radio-trust.c | 1 + drivers/media/radio/radio-typhoon.c | 1 + drivers/media/radio/radio-zoltrix.c | 1 + drivers/media/video/bw-qcam.c | 1 + drivers/media/video/c-qcam.c | 1 + drivers/media/video/cpia.c | 1 + drivers/media/video/pms.c | 1 + drivers/media/video/saa5249.c | 1 + drivers/media/video/se401.c | 1 + drivers/media/video/stradis.c | 1 + drivers/media/video/usbvideo/usbvideo.c | 6 +----- drivers/media/video/usbvideo/vicam.c | 1 + drivers/media/video/w9966.c | 1 + 24 files changed, 36 insertions(+), 17 deletions(-) diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index b657c7bb47cc..59fdaf85e41b 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -420,6 +420,7 @@ static struct video_device rtrack_radio = { .name = "RadioTrack radio", .fops = &rtrack_fops, .ioctl_ops = &rtrack_ioctl_ops, + .release = video_device_release_empty, }; static int __init rtrack_init(void) diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c index ae18a7cf0d59..ddd96295a9fe 100644 --- a/drivers/media/radio/radio-aztech.c +++ b/drivers/media/radio/radio-aztech.c @@ -381,9 +381,10 @@ static const struct v4l2_ioctl_ops aztech_ioctl_ops = { }; static struct video_device aztech_radio = { - .name = "Aztech radio", - .fops = &aztech_fops, - .ioctl_ops = &aztech_ioctl_ops, + .name = "Aztech radio", + .fops = &aztech_fops, + .ioctl_ops = &aztech_ioctl_ops, + .release = video_device_release_empty, }; module_param_named(debug,aztech_radio.debug, int, 0644); diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c index 04c3698d32e4..0490a1fa999d 100644 --- a/drivers/media/radio/radio-cadet.c +++ b/drivers/media/radio/radio-cadet.c @@ -589,6 +589,7 @@ static struct video_device cadet_radio = { .name = "Cadet radio", .fops = &cadet_fops, .ioctl_ops = &cadet_ioctl_ops, + .release = video_device_release_empty, }; #ifdef CONFIG_PNP diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index a7b9a5df4ca7..d65fd287bde1 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -401,9 +401,10 @@ static const struct v4l2_ioctl_ops gemtek_pci_ioctl_ops = { }; static struct video_device vdev_template = { - .name = "Gemtek PCI Radio", - .fops = &gemtek_pci_fops, - .ioctl_ops = &gemtek_pci_ioctl_ops, + .name = "Gemtek PCI Radio", + .fops = &gemtek_pci_fops, + .ioctl_ops = &gemtek_pci_ioctl_ops, + .release = video_device_release_empty, }; static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci_device_id *pci_id ) diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index cc90329026f2..2d991ae2f205 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -581,9 +581,10 @@ static const struct v4l2_ioctl_ops gemtek_ioctl_ops = { }; static struct video_device gemtek_radio = { - .name = "GemTek Radio card", - .fops = &gemtek_fops, - .ioctl_ops = &gemtek_ioctl_ops, + .name = "GemTek Radio card", + .fops = &gemtek_fops, + .ioctl_ops = &gemtek_ioctl_ops, + .release = video_device_release_empty, }; /* diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c index 03c20948eef2..182b433981ca 100644 --- a/drivers/media/radio/radio-maestro.c +++ b/drivers/media/radio/radio-maestro.c @@ -388,6 +388,7 @@ static struct video_device maestro_radio = { .name = "Maestro radio", .fops = &maestro_fops, .ioctl_ops = &maestro_ioctl_ops, + .release = video_device_release, }; static int __devinit maestro_probe(struct pci_dev *pdev, diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index 263ef8b02fd8..4e2e8a3d9b5f 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -402,9 +402,10 @@ static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = { }; static struct video_device maxiradio_radio = { - .name = "Maxi Radio FM2000 radio", - .fops = &maxiradio_fops, - .ioctl_ops = &maxiradio_ioctl_ops, + .name = "Maxi Radio FM2000 radio", + .fops = &maxiradio_fops, + .ioctl_ops = &maxiradio_ioctl_ops, + .release = video_device_release_empty, }; static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c index 5b93b47be714..8fe820da73e8 100644 --- a/drivers/media/radio/radio-rtrack2.c +++ b/drivers/media/radio/radio-rtrack2.c @@ -326,6 +326,7 @@ static struct video_device rtrack2_radio = { .name = "RadioTrack II radio", .fops = &rtrack2_fops, .ioctl_ops = &rtrack2_ioctl_ops, + .release = video_device_release_empty, }; static int __init rtrack2_init(void) diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 55f8334513f3..6d865a7a91ec 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -326,6 +326,7 @@ static struct video_device fmi_radio = { .name = "SF16FMx radio", .fops = &fmi_fops, .ioctl_ops = &fmi_ioctl_ops, + .release = video_device_release_empty, }; /* ladis: this is my card. does any other types exist? */ diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 14153ed939d0..9625d1f0194e 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -442,6 +442,7 @@ static struct video_device fmr2_radio = { .name = "SF16FMR2 radio", .fops = &fmr2_fops, .ioctl_ops = &fmr2_ioctl_ops, + .release = video_device_release_empty, }; static int __init fmr2_init(void) diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c index eed14972a940..de13ec81ce49 100644 --- a/drivers/media/radio/radio-terratec.c +++ b/drivers/media/radio/radio-terratec.c @@ -398,6 +398,7 @@ static struct video_device terratec_radio = { .name = "TerraTec ActiveRadio", .fops = &terratec_fops, .ioctl_ops = &terratec_ioctl_ops, + .release = video_device_release_empty, }; static int __init terratec_init(void) diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index dd0c425ef3b8..e7b111fcd105 100644 --- a/drivers/media/radio/radio-trust.c +++ b/drivers/media/radio/radio-trust.c @@ -378,6 +378,7 @@ static struct video_device trust_radio = { .name = "Trust FM Radio", .fops = &trust_fops, .ioctl_ops = &trust_ioctl_ops, + .release = video_device_release_empty, }; static int __init trust_init(void) diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c index 878468507237..c2eedb7a73a5 100644 --- a/drivers/media/radio/radio-typhoon.c +++ b/drivers/media/radio/radio-typhoon.c @@ -375,6 +375,7 @@ static struct video_device typhoon_radio = { .name = "Typhoon Radio", .fops = &typhoon_fops, .ioctl_ops = &typhoon_ioctl_ops, + .release = video_device_release_empty, }; #ifdef CONFIG_RADIO_TYPHOON_PROC_FS diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index 4d76e710194b..0d43e8401eb5 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -439,6 +439,7 @@ static struct video_device zoltrix_radio = { .name = "Zoltrix Radio Plus", .fops = &zoltrix_fops, .ioctl_ops = &zoltrix_ioctl_ops, + .release = video_device_release_empty, }; static int __init zoltrix_init(void) diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index e8e1bb122b59..ace4ff9ea023 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -926,6 +926,7 @@ static struct video_device qcam_template= { .name = "Connectix Quickcam", .fops = &qcam_fops, + .release = video_device_release_empty, }; #define MAX_CAMS 4 diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index 2196c1dc5aee..17aa0adb3467 100644 --- a/drivers/media/video/c-qcam.c +++ b/drivers/media/video/c-qcam.c @@ -722,6 +722,7 @@ static struct video_device qcam_template= { .name = "Colour QuickCam", .fops = &qcam_fops, + .release = video_device_release_empty, }; /* Initialize the QuickCam driver control structure. */ diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index a661800b0e69..c0600fdbfc6f 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -3801,6 +3801,7 @@ static const struct file_operations cpia_fops = { static struct video_device cpia_template = { .name = "CPiA Camera", .fops = &cpia_fops, + .release = video_device_release_empty, }; /* initialise cam_data structure */ diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index b39794f0baf5..994807818aa2 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -915,6 +915,7 @@ static struct video_device pms_template= { .name = "Mediavision PMS", .fops = &pms_fops, + .release = video_device_release_empty, }; static struct pms_device pms_device; diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index dfd8a9338c55..225117c789ca 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -708,6 +708,7 @@ static struct video_device saa_template = { .name = IF_NAME, .fops = &saa_fops, + .release = video_device_release, }; MODULE_LICENSE("GPL"); diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index d16bbf0d2783..b01f25d72922 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -1236,6 +1236,7 @@ static const struct file_operations se401_fops = { static struct video_device se401_template = { .name = "se401 USB camera", .fops = &se401_fops, + .release = video_device_release_empty, }; diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c index a3cbe9be3c15..bbad54f85c83 100644 --- a/drivers/media/video/stradis.c +++ b/drivers/media/video/stradis.c @@ -1925,6 +1925,7 @@ static struct video_device saa_template = { .name = "SAA7146A", .fops = &saa_fops, .minor = -1, + .release = video_device_release_empty, }; static int __devinit configure_saa7146(struct pci_dev *pdev, int num) diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index 6b1b2003a65c..9569e8ced4b4 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -1006,10 +1006,6 @@ allocate_done: EXPORT_SYMBOL(usbvideo_AllocateDevice); -static void usbvideo_dummy_release(struct video_device *vfd) -{ -} - int usbvideo_RegisterVideoDevice(struct uvd *uvd) { char tmp1[20], tmp2[20]; /* Buffers for printing */ @@ -1043,7 +1039,7 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) return -EINVAL; } uvd->vdev.parent = &uvd->dev->dev; - uvd->vdev.release = usbvideo_dummy_release; + uvd->vdev.release = video_device_release_empty; if (video_register_device(&uvd->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { err("%s: video_register_device failed", __func__); return -EPIPE; diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index efb878a7402e..d7728256f295 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -801,6 +801,7 @@ static struct video_device vicam_template = { .name = "ViCam-based USB Camera", .fops = &vicam_fops, .minor = -1, + .release = video_device_release_empty, }; /* table of devices that work with this driver */ diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index c635cffb1fb8..e3580119640f 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -216,6 +216,7 @@ static const struct file_operations w9966_fops = { static struct video_device w9966_template = { .name = W9966_DRIVERNAME, .fops = &w9966_fops, + .release = video_device_release_empty, }; /* -- GitLab From d6e7497eaf9889d39a070f60309a9bcea1fd29f6 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 06:27:59 -0300 Subject: [PATCH 3807/6244] V4L/DVB (8784): v4l2-dev: make the video_device's release callback mandatory Now that all drivers set the release callback in the video_device struct we can put in a BUG_ON in video_register_device to ensure that the callback is always there. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index fda48a2efda6..ff219df4b725 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -84,11 +84,6 @@ static void video_release(struct device *cd) { struct video_device *vfd = container_of(cd, struct video_device, dev); -#if 1 - /* needed until all drivers are fixed */ - if (!vfd->release) - return; -#endif vfd->release(vfd); } @@ -233,8 +228,8 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int ret; char *name_base; - if (vfd == NULL) - return -EINVAL; + /* the release callback MUST be present */ + BUG_ON(!vfd->release); if (vfd == NULL) return -EINVAL; @@ -312,13 +307,6 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, goto fail_minor; } -#if 1 - /* needed until all drivers are fixed */ - if (!vfd->release) - printk(KERN_WARNING "videodev: \"%s\" has no release callback. " - "Please fix your driver for proper sysfs support, see " - "http://lwn.net/Articles/36850/\n", vfd->name); -#endif return 0; fail_minor: -- GitLab From e138c592b50370621653fd962b2bc3f4e25dfe78 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 06:38:11 -0300 Subject: [PATCH 3808/6244] V4L/DVB (8785): v4l2: add __must_check to v4l2_dev.h Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/media/v4l2-dev.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 30855077be44..23df00919ae8 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -83,14 +83,14 @@ struct video_device #define to_video_device(cd) container_of(cd, struct video_device, dev) /* Version 2 functions */ -extern int video_register_device(struct video_device *vfd, int type, int nr); -int video_register_device_index(struct video_device *vfd, int type, int nr, +int __must_check video_register_device(struct video_device *vfd, int type, int nr); +int __must_check video_register_device_index(struct video_device *vfd, int type, int nr, int index); void video_unregister_device(struct video_device *); /* helper functions to alloc / release struct video_device, the later can be used for video_device->release() */ -struct video_device *video_device_alloc(void); +struct video_device * __must_check video_device_alloc(void); /* this release function frees the vfd pointer */ void video_device_release(struct video_device *vfd); /* this release function does nothing, use when the video_device is a -- GitLab From 601e9444f249d219009ec05674268d90f6f1cdcb Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 07:24:07 -0300 Subject: [PATCH 3809/6244] V4L/DVB (8786): v4l2: remove the priv field, use dev_get_drvdata instead Remove the priv field and let video_get/set_drvdata use dev_get_drvdata and dev_set_drvdata instead. Convert all drivers that still used priv directly. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_fops.c | 2 +- drivers/media/radio/radio-aimslab.c | 12 ++++++------ drivers/media/radio/radio-aztech.c | 12 ++++++------ drivers/media/radio/radio-gemtek-pci.c | 12 ++++++------ drivers/media/radio/radio-gemtek.c | 10 +++++----- drivers/media/radio/radio-maxiradio.c | 12 ++++++------ drivers/media/radio/radio-rtrack2.c | 12 ++++++------ drivers/media/radio/radio-sf16fmi.c | 12 ++++++------ drivers/media/radio/radio-sf16fmr2.c | 12 ++++++------ drivers/media/radio/radio-terratec.c | 12 ++++++------ drivers/media/radio/radio-typhoon.c | 10 +++++----- drivers/media/radio/radio-zoltrix.c | 12 ++++++------ drivers/media/video/arv.c | 10 +++++----- drivers/media/video/cpia.c | 12 ++++++------ drivers/media/video/pwc/pwc-if.c | 12 ++++++------ drivers/media/video/pwc/pwc-v4l.c | 2 +- drivers/media/video/s2255drv.c | 2 +- drivers/media/video/saa5246a.c | 13 +++++++------ drivers/media/video/saa5249.c | 12 ++++++------ drivers/media/video/stk-webcam.c | 4 ++-- drivers/media/video/usbvideo/vicam.c | 9 ++++----- drivers/media/video/w9966.c | 10 +++++----- include/media/v4l2-dev.h | 14 +++----------- 23 files changed, 111 insertions(+), 119 deletions(-) diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index cf6a817d5059..5b34c134aa25 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -533,7 +533,7 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, memcpy(vfd, &device_template, sizeof(struct video_device)); strlcpy(vfd->name, name, sizeof(vfd->name)); vfd->release = video_device_release; - vfd->priv = dev; + video_set_drvdata(vfd, dev); // fixme: -1 should be an insmod parameter *for the extension* (like "video_nr"); if (video_register_device(vfd, type, -1) < 0) { diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index 59fdaf85e41b..62cc6874d63f 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -247,7 +247,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -275,7 +275,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); rt->curfreq = f->frequency; rt_setfreq(rt, rt->curfreq); @@ -286,7 +286,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = rt->curfreq; @@ -312,7 +312,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -329,7 +329,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -437,7 +437,7 @@ static int __init rtrack_init(void) return -EBUSY; } - rtrack_radio.priv=&rtrack_unit; + video_set_drvdata(&rtrack_radio, &rtrack_unit); if (video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr) < 0) { release_region(io, 2); diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c index ddd96295a9fe..5dd5e349ef47 100644 --- a/drivers/media/radio/radio-aztech.c +++ b/drivers/media/radio/radio-aztech.c @@ -197,7 +197,7 @@ static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct az_device *az = dev->priv; + struct az_device *az = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -266,7 +266,7 @@ static int vidioc_s_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct az_device *az = dev->priv; + struct az_device *az = video_get_drvdata(dev); az->curfreq = f->frequency; az_setfreq(az, az->curfreq); @@ -277,7 +277,7 @@ static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct az_device *az = dev->priv; + struct az_device *az = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = az->curfreq; @@ -304,7 +304,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct az_device *az = dev->priv; + struct az_device *az = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -324,7 +324,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct az_device *az = dev->priv; + struct az_device *az = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -405,7 +405,7 @@ static int __init aztech_init(void) } mutex_init(&lock); - aztech_radio.priv=&aztech_unit; + video_set_drvdata(&aztech_radio, &aztech_unit); if (video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr) < 0) { release_region(io,2); diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index d65fd287bde1..1f57f731c121 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -205,7 +205,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = dev->priv; + struct gemtek_pci_card *card = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -233,7 +233,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = dev->priv; + struct gemtek_pci_card *card = video_get_drvdata(dev); if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) || (f->frequency > GEMTEK_PCI_RANGE_HIGH) ) @@ -248,7 +248,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = dev->priv; + struct gemtek_pci_card *card = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = card->current_frequency; @@ -273,7 +273,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = dev->priv; + struct gemtek_pci_card *card = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -293,7 +293,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = dev->priv; + struct gemtek_pci_card *card = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -442,7 +442,7 @@ static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci } card->videodev = devradio; - devradio->priv = card; + video_set_drvdata(devradio, card); gemtek_pci_mute( card ); printk( KERN_INFO "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n", diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index 2d991ae2f205..2c4c15e6d510 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -460,7 +460,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = dev->priv; + struct gemtek_device *rt = video_get_drvdata(dev); gemtek_setfreq(rt, f->frequency); @@ -471,7 +471,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = dev->priv; + struct gemtek_device *rt = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = rt->lastfreq; @@ -496,7 +496,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = dev->priv; + struct gemtek_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -516,7 +516,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = dev->priv; + struct gemtek_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -623,7 +623,7 @@ static int __init gemtek_init(void) return -EINVAL; } - gemtek_radio.priv = &gemtek_unit; + video_set_drvdata(&gemtek_radio, &gemtek_unit); if (video_register_device(&gemtek_radio, VFL_TYPE_RADIO, radio_nr) < 0) { release_region(io, 1); diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index 4e2e8a3d9b5f..9bf2acf5249c 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -232,7 +232,7 @@ static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct radio_device *card=dev->priv; + struct radio_device *card = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -303,7 +303,7 @@ static int vidioc_s_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct radio_device *card=dev->priv; + struct radio_device *card = video_get_drvdata(dev); if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) { dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n", @@ -325,7 +325,7 @@ static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct radio_device *card=dev->priv; + struct radio_device *card = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = card->freq; @@ -356,7 +356,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct radio_device *card=dev->priv; + struct radio_device *card = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -371,7 +371,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct radio_device *card=dev->priv; + struct radio_device *card = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -421,7 +421,7 @@ static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_d radio_unit.io = pci_resource_start(pdev, 0); mutex_init(&radio_unit.lock); - maxiradio_radio.priv = &radio_unit; + video_set_drvdata(&maxiradio_radio, &radio_unit); if (video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr) < 0) { printk("radio-maxiradio: can't register device!"); diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c index 8fe820da73e8..4234f7ed0fc3 100644 --- a/drivers/media/radio/radio-rtrack2.c +++ b/drivers/media/radio/radio-rtrack2.c @@ -155,7 +155,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -175,7 +175,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); rt->curfreq = f->frequency; rt_setfreq(rt, rt->curfreq); @@ -186,7 +186,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = rt->curfreq; @@ -212,7 +212,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -232,7 +232,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct rt_device *rt = dev->priv; + struct rt_device *rt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -342,7 +342,7 @@ static int __init rtrack2_init(void) return -EBUSY; } - rtrack2_radio.priv=&rtrack2_unit; + video_set_drvdata(&rtrack2_radio, &rtrack2_unit); spin_lock_init(&lock); if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) { diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 6d865a7a91ec..810c366b73b0 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -148,7 +148,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, { int mult; struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = dev->priv; + struct fmi_device *fmi = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -177,7 +177,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = dev->priv; + struct fmi_device *fmi = video_get_drvdata(dev); if (!(fmi->flags & V4L2_TUNER_CAP_LOW)) f->frequency *= 1000; @@ -195,7 +195,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = dev->priv; + struct fmi_device *fmi = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = fmi->curfreq; @@ -223,7 +223,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = dev->priv; + struct fmi_device *fmi = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -237,7 +237,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = dev->priv; + struct fmi_device *fmi = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -386,7 +386,7 @@ static int __init fmi_init(void) fmi_unit.curvol = 0; fmi_unit.curfreq = 0; fmi_unit.flags = V4L2_TUNER_CAP_LOW; - fmi_radio.priv = &fmi_unit; + video_set_drvdata(&fmi_radio, &fmi_unit); mutex_init(&lock); diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 9625d1f0194e..9f823150452d 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -231,7 +231,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, { int mult; struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; + struct fmr2_device *fmr2 = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -264,7 +264,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; + struct fmr2_device *fmr2 = video_get_drvdata(dev); if (!(fmr2->flags & V4L2_TUNER_CAP_LOW)) f->frequency *= 1000; @@ -288,7 +288,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; + struct fmr2_device *fmr2 = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = fmr2->curfreq; @@ -315,7 +315,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; + struct fmr2_device *fmr2 = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -332,7 +332,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; + struct fmr2_device *fmr2 = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -454,7 +454,7 @@ static int __init fmr2_init(void) fmr2_unit.stereo = 1; fmr2_unit.flags = V4L2_TUNER_CAP_LOW; fmr2_unit.card_type = 0; - fmr2_radio.priv = &fmr2_unit; + video_set_drvdata(&fmr2_radio, &fmr2_unit); mutex_init(&lock); diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c index de13ec81ce49..0bc9af686ad7 100644 --- a/drivers/media/radio/radio-terratec.c +++ b/drivers/media/radio/radio-terratec.c @@ -222,7 +222,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -250,7 +250,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_get_drvdata(dev); tt->curfreq = f->frequency; tt_setfreq(tt, tt->curfreq); @@ -261,7 +261,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = tt->curfreq; @@ -287,7 +287,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -307,7 +307,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct tt_device *tt = dev->priv; + struct tt_device *tt = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -414,7 +414,7 @@ static int __init terratec_init(void) return -EBUSY; } - terratec_radio.priv=&terratec_unit; + video_set_drvdata(&terratec_radio, &terratec_unit); spin_lock_init(&lock); diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c index c2eedb7a73a5..27255d7ff1ba 100644 --- a/drivers/media/radio/radio-typhoon.c +++ b/drivers/media/radio/radio-typhoon.c @@ -224,7 +224,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = dev->priv; + struct typhoon_device *typhoon = video_get_drvdata(dev); typhoon->curfreq = f->frequency; typhoon_setfreq(typhoon, typhoon->curfreq); @@ -235,7 +235,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = dev->priv; + struct typhoon_device *typhoon = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = typhoon->curfreq; @@ -262,7 +262,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = dev->priv; + struct typhoon_device *typhoon = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -279,7 +279,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = dev->priv; + struct typhoon_device *typhoon = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -458,7 +458,7 @@ static int __init typhoon_init(void) return -EBUSY; } - typhoon_radio.priv = &typhoon_unit; + video_set_drvdata(&typhoon_radio, &typhoon_unit); if (video_register_device(&typhoon_radio, VFL_TYPE_RADIO, radio_nr) < 0) { release_region(io, 8); return -EINVAL; diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index 0d43e8401eb5..3a9a7772ae51 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -247,7 +247,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { struct video_device *dev = video_devdata(file); - struct zol_device *zol = dev->priv; + struct zol_device *zol = video_get_drvdata(dev); if (v->index > 0) return -EINVAL; @@ -278,7 +278,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct zol_device *zol = dev->priv; + struct zol_device *zol = video_get_drvdata(dev); zol->curfreq = f->frequency; zol_setfreq(zol, zol->curfreq); @@ -289,7 +289,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct video_device *dev = video_devdata(file); - struct zol_device *zol = dev->priv; + struct zol_device *zol = video_get_drvdata(dev); f->type = V4L2_TUNER_RADIO; f->frequency = zol->curfreq; @@ -315,7 +315,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct zol_device *zol = dev->priv; + struct zol_device *zol = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -332,7 +332,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { struct video_device *dev = video_devdata(file); - struct zol_device *zol = dev->priv; + struct zol_device *zol = video_get_drvdata(dev); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -453,7 +453,7 @@ static int __init zoltrix_init(void) return -ENXIO; } - zoltrix_radio.priv = &zoltrix_unit; + video_set_drvdata(&zoltrix_radio, &zoltrix_unit); if (!request_region(io, 2, "zoltrix")) { printk(KERN_ERR "zoltrix: port 0x%x already in use\n", io); return -EBUSY; diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 0d4f9b683459..218754b4906a 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -270,7 +270,7 @@ static inline void wait_for_vertical_sync(int exp_line) static ssize_t ar_read(struct file *file, char *buf, size_t count, loff_t *ppos) { struct video_device *v = video_devdata(file); - struct ar_device *ar = v->priv; + struct ar_device *ar = video_get_drvdata(v); long ret = ar->frame_bytes; /* return read bytes */ unsigned long arvcr1 = 0; unsigned long flags; @@ -400,7 +400,7 @@ static int ar_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct video_device *dev = video_devdata(file); - struct ar_device *ar = dev->priv; + struct ar_device *ar = video_get_drvdata(dev); DEBUG(1, "ar_ioctl()\n"); switch(cmd) { @@ -626,7 +626,7 @@ static void ar_interrupt(int irq, void *dev) */ static int ar_initialize(struct video_device *dev) { - struct ar_device *ar = dev->priv; + struct ar_device *ar = video_get_drvdata(dev); unsigned long cr = 0; int i,found=0; @@ -733,7 +733,7 @@ static int ar_initialize(struct video_device *dev) void ar_release(struct video_device *vfd) { - struct ar_device *ar = vfd->priv; + struct ar_device *ar = video_get_drvdata(vfd); mutex_lock(&ar->lock); video_device_release(vfd); } @@ -815,7 +815,7 @@ static int __init ar_init(void) return -ENOMEM; } memcpy(ar->vdev, &ar_template, sizeof(ar_template)); - ar->vdev->priv = ar; + video_set_drvdata(ar->vdev, ar); if (vga) { ar->width = AR_WIDTH_VGA; diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index c0600fdbfc6f..b14c59c281eb 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -3155,7 +3155,7 @@ static void put_cam(struct cpia_camera_ops* ops) static int cpia_open(struct inode *inode, struct file *file) { struct video_device *dev = video_devdata(file); - struct cam_data *cam = dev->priv; + struct cam_data *cam = video_get_drvdata(dev); int err; if (!cam) { @@ -3232,7 +3232,7 @@ static int cpia_open(struct inode *inode, struct file *file) static int cpia_close(struct inode *inode, struct file *file) { struct video_device *dev = file->private_data; - struct cam_data *cam = dev->priv; + struct cam_data *cam = video_get_drvdata(dev); if (cam->ops) { /* Return ownership of /proc/cpia/videoX to root */ @@ -3284,7 +3284,7 @@ static ssize_t cpia_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct video_device *dev = file->private_data; - struct cam_data *cam = dev->priv; + struct cam_data *cam = video_get_drvdata(dev); int err; /* make this _really_ smp and multithread-safe */ @@ -3341,7 +3341,7 @@ static int cpia_do_ioctl(struct inode *inode, struct file *file, unsigned int ioctlnr, void *arg) { struct video_device *dev = file->private_data; - struct cam_data *cam = dev->priv; + struct cam_data *cam = video_get_drvdata(dev); int retval = 0; if (!cam || !cam->ops) @@ -3739,7 +3739,7 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma) unsigned long start = vma->vm_start; unsigned long size = vma->vm_end - vma->vm_start; unsigned long page, pos; - struct cam_data *cam = dev->priv; + struct cam_data *cam = video_get_drvdata(dev); int retval; if (!cam || !cam->ops) @@ -3929,7 +3929,7 @@ static void init_camera_struct(struct cam_data *cam, cam->proc_entry = NULL; memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template)); - cam->vdev.priv = cam; + video_set_drvdata(&cam->vdev, cam); cam->curframe = 0; for (i = 0; i < FRAME_NUM; i++) { diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 9aee7cb6f79a..ab28389b4cda 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -1112,7 +1112,7 @@ static int pwc_video_open(struct inode *inode, struct file *file) PWC_DEBUG_OPEN(">> video_open called(vdev = 0x%p).\n", vdev); - pdev = (struct pwc_device *)vdev->priv; + pdev = video_get_drvdata(vdev); BUG_ON(!pdev); if (pdev->vopen) { PWC_DEBUG_OPEN("I'm busy, someone is using the device.\n"); @@ -1233,7 +1233,7 @@ static int pwc_video_close(struct inode *inode, struct file *file) PWC_DEBUG_OPEN(">> video_close called(vdev = 0x%p).\n", vdev); lock_kernel(); - pdev = (struct pwc_device *)vdev->priv; + pdev = video_get_drvdata(vdev); if (pdev->vopen == 0) PWC_DEBUG_MODULE("video_close() called on closed device?\n"); @@ -1304,7 +1304,7 @@ static ssize_t pwc_video_read(struct file *file, char __user *buf, vdev, buf, count); if (vdev == NULL) return -EFAULT; - pdev = vdev->priv; + pdev = video_get_drvdata(vdev); if (pdev == NULL) return -EFAULT; @@ -1386,7 +1386,7 @@ static unsigned int pwc_video_poll(struct file *file, poll_table *wait) if (vdev == NULL) return -EFAULT; - pdev = vdev->priv; + pdev = video_get_drvdata(vdev); if (pdev == NULL) return -EFAULT; @@ -1408,7 +1408,7 @@ static int pwc_video_ioctl(struct inode *inode, struct file *file, if (!vdev) goto out; - pdev = vdev->priv; + pdev = video_get_drvdata(vdev); mutex_lock(&pdev->modlock); if (!pdev->unplugged) @@ -1428,7 +1428,7 @@ static int pwc_video_mmap(struct file *file, struct vm_area_struct *vma) int index; PWC_DEBUG_MEMORY(">> %s\n", __func__); - pdev = vdev->priv; + pdev = video_get_drvdata(vdev); size = vma->vm_end - vma->vm_start; start = vma->vm_start; diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index 1742889874df..76a1376c9751 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -346,7 +346,7 @@ int pwc_video_do_ioctl(struct inode *inode, struct file *file, if (vdev == NULL) return -EFAULT; - pdev = vdev->priv; + pdev = video_get_drvdata(vdev); if (pdev == NULL) return -EFAULT; diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index af19bb346ef1..ea40f4c8b33e 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -1800,7 +1800,7 @@ static int s2255_probe_v4l(struct s2255_dev *dev) ret = video_register_device(dev->vdev[i], VFL_TYPE_GRABBER, cur_nr + i); - dev->vdev[i]->priv = dev; + video_set_drvdata(dev->vdev[i], dev); if (ret != 0) { dev_err(&dev->udev->dev, diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index 5f5aa2063e0e..0178b49da0c1 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -117,7 +117,7 @@ static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind) memset(t->pgbuf[pgbuf], ' ', sizeof(t->pgbuf[0])); t->is_searching[pgbuf] = false; } - vd->priv=t; + video_set_drvdata(vd, t); /* @@ -151,7 +151,7 @@ static int saa5246a_detach(struct i2c_client *client) struct video_device *vd = i2c_get_clientdata(client); i2c_detach_client(client); video_unregister_device(vd); - kfree(vd->priv); + kfree(video_get_drvdata(vd)); kfree(client); return 0; } @@ -582,7 +582,8 @@ static int do_saa5246a_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct video_device *vd = video_devdata(file); - struct saa5246a_device *t=vd->priv; + struct saa5246a_device *t = video_get_drvdata(vd); + switch(cmd) { case VTXIOCGETINFO: @@ -723,7 +724,7 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = vd->priv; + struct saa5246a_device *t = video_get_drvdata(vd); int err; cmd = vtx_fix_command(cmd); @@ -736,7 +737,7 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file, static int saa5246a_open(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = vd->priv; + struct saa5246a_device *t = video_get_drvdata(vd); if (t->client == NULL) return -ENODEV; @@ -779,7 +780,7 @@ static int saa5246a_open(struct inode *inode, struct file *file) static int saa5246a_release(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = vd->priv; + struct saa5246a_device *t = video_get_drvdata(vd); /* Stop all acquisition circuits. */ i2c_senddata(t, SAA5246A_REGISTER_R1, diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 225117c789ca..c784715a0b04 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -186,7 +186,7 @@ static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind) t->vdau[pgbuf].stopped = true; t->is_searching[pgbuf] = false; } - vd->priv=t; + video_set_drvdata(vd, t); /* @@ -221,7 +221,7 @@ static int saa5249_detach(struct i2c_client *client) struct video_device *vd = i2c_get_clientdata(client); i2c_detach_client(client); video_unregister_device(vd); - kfree(vd->priv); + kfree(video_get_drvdata(vd)); kfree(vd); kfree(client); return 0; @@ -320,7 +320,7 @@ static int do_saa5249_ioctl(struct inode *inode, struct file *file, { static int virtual_mode = false; struct video_device *vd = video_devdata(file); - struct saa5249_device *t=vd->priv; + struct saa5249_device *t = video_get_drvdata(vd); switch(cmd) { @@ -619,7 +619,7 @@ static int saa5249_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct video_device *vd = video_devdata(file); - struct saa5249_device *t=vd->priv; + struct saa5249_device *t = video_get_drvdata(vd); int err; cmd = vtx_fix_command(cmd); @@ -632,7 +632,7 @@ static int saa5249_ioctl(struct inode *inode, struct file *file, static int saa5249_open(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5249_device *t = vd->priv; + struct saa5249_device *t = video_get_drvdata(vd); int pgbuf; if (t->client == NULL) @@ -670,7 +670,7 @@ static int saa5249_open(struct inode *inode, struct file *file) static int saa5249_release(struct inode *inode, struct file *file) { struct video_device *vd = video_devdata(file); - struct saa5249_device *t = vd->priv; + struct saa5249_device *t = video_get_drvdata(vd); i2c_senddata(t, 1, 0x20, -1); /* Turn off CCT */ i2c_senddata(t, 5, 3, 3, -1); /* Turn off TV-display */ diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index 6b1ef5dc562c..8dda5680094d 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -72,7 +72,7 @@ static void stk_camera_cleanup(struct kref *kref) STK_INFO("Syntek USB2.0 Camera release resources" " video device /dev/video%d\n", dev->vdev.minor); video_unregister_device(&dev->vdev); - dev->vdev.priv = NULL; + video_set_drvdata(&dev->vdev, NULL); if (dev->sio_bufs != NULL || dev->isobufs != NULL) STK_ERROR("We are leaking memory\n"); @@ -1379,7 +1379,7 @@ static int stk_register_video_device(struct stk_camera *dev) dev->vdev = stk_v4l_data; dev->vdev.debug = debug; dev->vdev.parent = &dev->interface->dev; - dev->vdev.priv = dev; + video_set_drvdata(&dev->vdev, dev); err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1); if (err) STK_ERROR("v4l registration failed\n"); diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index d7728256f295..1ffcc393fcbb 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -473,8 +473,8 @@ static int vicam_open(struct inode *inode, struct file *file) { struct video_device *dev = video_devdata(file); - struct vicam_camera *cam = - (struct vicam_camera *) dev->priv; + struct vicam_camera *cam = video_get_drvdata(dev); + DBG("open\n"); if (!cam) { @@ -866,9 +866,8 @@ vicam_probe( struct usb_interface *intf, const struct usb_device_id *id) mutex_init(&cam->cam_lock); - memcpy(&cam->vdev, &vicam_template, - sizeof (vicam_template)); - cam->vdev.priv = cam; // sort of a reverse mapping for those functions that get vdev only + memcpy(&cam->vdev, &vicam_template, sizeof(vicam_template)); + video_set_drvdata(&cam->vdev, cam); cam->udev = dev; cam->bulkEndpoint = bulkEndpoint; diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index e3580119640f..14ebb15837fb 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -188,7 +188,7 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf, static int w9966_exclusive_open(struct inode *inode, struct file *file) { struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = vdev->priv; + struct w9966_dev *cam = video_get_drvdata(vdev); return test_and_set_bit(0, &cam->in_use) ? -EBUSY : 0; } @@ -196,7 +196,7 @@ static int w9966_exclusive_open(struct inode *inode, struct file *file) static int w9966_exclusive_release(struct inode *inode, struct file *file) { struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = vdev->priv; + struct w9966_dev *cam = video_get_drvdata(vdev); clear_bit(0, &cam->in_use); return 0; @@ -351,7 +351,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port) // Fill in the video_device struct and register us to v4l memcpy(&cam->vdev, &w9966_template, sizeof(struct video_device)); - cam->vdev.priv = cam; + video_set_drvdata(&cam->vdev, cam); if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) return -1; @@ -733,7 +733,7 @@ static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = vdev->priv; + struct w9966_dev *cam = video_get_drvdata(vdev); switch(cmd) { @@ -892,7 +892,7 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = vdev->priv; + struct w9966_dev *cam = video_get_drvdata(vdev); unsigned char addr = 0xa0; // ECP, read, CCD-transfer, 00000 unsigned char __user *dest = (unsigned char __user *)buf; unsigned long dleft = count; diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 23df00919ae8..1d4df571060b 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -69,14 +69,6 @@ struct video_device /* ioctl callbacks */ const struct v4l2_ioctl_ops *ioctl_ops; - -#ifdef OBSOLETE_DEVDATA /* to be removed soon */ - /* dev->driver_data will be used instead some day. - * Use the video_{get|set}_drvdata() helper functions, - * so the switch over will be transparent for you. - * Or use {pci|usb}_{get|set}_drvdata() directly. */ - void *priv; -#endif }; /* Class-dev to video-device */ @@ -98,18 +90,18 @@ void video_device_release(struct video_device *vfd); a dubious construction at best. */ void video_device_release_empty(struct video_device *vfd); -#ifdef OBSOLETE_DEVDATA /* to be removed soon */ /* helper functions to access driver private data. */ static inline void *video_get_drvdata(struct video_device *dev) { - return dev->priv; + return dev_get_drvdata(&dev->dev); } static inline void video_set_drvdata(struct video_device *dev, void *data) { - dev->priv = data; + dev_set_drvdata(&dev->dev, data); } +#ifdef OBSOLETE_DEVDATA /* to be removed soon */ /* Obsolete stuff - Still needed for radio devices and obsolete drivers */ extern struct video_device* video_devdata(struct file*); #endif -- GitLab From bfa8a273bb91078ea193ab94c717889928f3b925 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 07:48:38 -0300 Subject: [PATCH 3810/6244] V4L/DVB (8787): v4l2-dev: cleanups and add video_drvdata helper function Cleanup v4l2-dev.[ch], add/improve comments and add a new helper function: video_drvdata() that can get the private driver data from a file struct. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 13 ++++++------- include/media/v4l2-dev.h | 35 ++++++++++++++++++++-------------- 2 files changed, 27 insertions(+), 21 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index ff219df4b725..1ec0a1a8fb73 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -42,6 +42,7 @@ static ssize_t show_index(struct device *cd, struct device_attribute *attr, char *buf) { struct video_device *vfd = container_of(cd, struct video_device, dev); + return sprintf(buf, "%i\n", vfd->index); } @@ -49,6 +50,7 @@ static ssize_t show_name(struct device *cd, struct device_attribute *attr, char *buf) { struct video_device *vfd = container_of(cd, struct video_device, dev); + return sprintf(buf, "%.*s\n", (int)sizeof(vfd->name), vfd->name); } @@ -60,10 +62,7 @@ static struct device_attribute video_device_attrs[] = { struct video_device *video_device_alloc(void) { - struct video_device *vfd; - - vfd = kzalloc(sizeof(*vfd), GFP_KERNEL); - return vfd; + return kzalloc(sizeof(struct video_device), GFP_KERNEL); } EXPORT_SYMBOL(video_device_alloc); @@ -263,7 +262,7 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, /* pick a minor number */ mutex_lock(&videodev_lock); - if (nr >= 0 && nr < end-base) { + if (nr >= 0 && nr < end-base) { /* use the one the driver asked for */ i = base + nr; if (NULL != video_device[i]) { @@ -295,7 +294,7 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, } /* sysfs class */ - memset(&vfd->dev, 0x00, sizeof(vfd->dev)); + memset(&vfd->dev, 0, sizeof(vfd->dev)); vfd->dev.class = &video_class; vfd->dev.devt = MKDEV(VIDEO_MAJOR, vfd->minor); if (vfd->parent) @@ -312,8 +311,8 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, fail_minor: mutex_lock(&videodev_lock); video_device[vfd->minor] = NULL; - vfd->minor = -1; mutex_unlock(&videodev_lock); + vfd->minor = -1; return ret; } EXPORT_SYMBOL(video_register_device_index); diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 1d4df571060b..fb92e3d22d7e 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -9,16 +9,14 @@ #ifndef _V4L2_DEV_H #define _V4L2_DEV_H -#define OBSOLETE_DEVDATA 1 /* to be removed soon */ - #include #include #include #include -#include /* need __user */ #include #define VIDEO_MAJOR 81 + /* Minor device allocation */ #define MINOR_VFL_TYPE_GRABBER_MIN 0 #define MINOR_VFL_TYPE_GRABBER_MAX 63 @@ -71,20 +69,25 @@ struct video_device const struct v4l2_ioctl_ops *ioctl_ops; }; -/* Class-dev to video-device */ +/* dev to video-device */ #define to_video_device(cd) container_of(cd, struct video_device, dev) -/* Version 2 functions */ +/* Register and unregister devices. Note that if video_register_device fails, + the release() callback of the video_device structure is *not* called, so + the caller is responsible for freeing any data. Usually that means that + you call video_device_release() on failure. */ int __must_check video_register_device(struct video_device *vfd, int type, int nr); -int __must_check video_register_device_index(struct video_device *vfd, int type, int nr, - int index); -void video_unregister_device(struct video_device *); +int __must_check video_register_device_index(struct video_device *vfd, + int type, int nr, int index); +void video_unregister_device(struct video_device *vfd); -/* helper functions to alloc / release struct video_device, the - later can be used for video_device->release() */ +/* helper functions to alloc/release struct video_device, the + latter can also be used for video_device->release(). */ struct video_device * __must_check video_device_alloc(void); + /* this release function frees the vfd pointer */ void video_device_release(struct video_device *vfd); + /* this release function does nothing, use when the video_device is a static global struct. Note that having a static video_device is a dubious construction at best. */ @@ -101,9 +104,13 @@ static inline void video_set_drvdata(struct video_device *dev, void *data) dev_set_drvdata(&dev->dev, data); } -#ifdef OBSOLETE_DEVDATA /* to be removed soon */ -/* Obsolete stuff - Still needed for radio devices and obsolete drivers */ -extern struct video_device* video_devdata(struct file*); -#endif +struct video_device *video_devdata(struct file *file); + +/* Combine video_get_drvdata and video_devdata as this is + used very often. */ +static inline void *video_drvdata(struct file *file) +{ + return video_get_drvdata(video_devdata(file)); +} #endif /* _V4L2_DEV_H */ -- GitLab From c170ecf434bceb0e188b14a6deb3bfa3ec9ef699 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 23 Aug 2008 08:32:09 -0300 Subject: [PATCH 3811/6244] V4L/DVB (8788): v4l: replace video_get_drvdata(video_devdata(filp)) with video_drvdata(filp) Use the new video_drvdata(filp) function where it is safe to do so. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/dsbr100.c | 14 +- drivers/media/radio/radio-aimslab.c | 15 +-- drivers/media/radio/radio-aztech.c | 15 +-- drivers/media/radio/radio-gemtek-pci.c | 15 +-- drivers/media/radio/radio-gemtek.c | 12 +- drivers/media/radio/radio-maestro.c | 15 +-- drivers/media/radio/radio-maxiradio.c | 15 +-- drivers/media/radio/radio-rtrack2.c | 15 +-- drivers/media/radio/radio-sf16fmi.c | 15 +-- drivers/media/radio/radio-sf16fmr2.c | 15 +-- drivers/media/radio/radio-si470x.c | 22 ++-- drivers/media/radio/radio-terratec.c | 15 +-- drivers/media/radio/radio-typhoon.c | 12 +- drivers/media/radio/radio-zoltrix.c | 15 +-- drivers/media/video/cpia2/cpia2_v4l.c | 16 +-- drivers/media/video/et61x251/et61x251_core.c | 14 +- drivers/media/video/saa5246a.c | 13 +- drivers/media/video/saa5249.c | 12 +- drivers/media/video/sn9c102/sn9c102_core.c | 14 +- drivers/media/video/usbvideo/vicam.c | 3 +- .../media/video/usbvision/usbvision-video.c | 122 +++++------------- drivers/media/video/uvc/uvc_v4l2.c | 13 +- drivers/media/video/vino.c | 18 +-- drivers/media/video/w9966.c | 12 +- drivers/media/video/zc0301/zc0301_core.c | 14 +- sound/i2c/other/tea575x-tuner.c | 9 +- 26 files changed, 160 insertions(+), 310 deletions(-) diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 3a4eb444a7c3..0f06e6ffb0e9 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -274,7 +274,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct dsbr100_device *radio = video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -306,7 +306,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct dsbr100_device *radio = video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); radio->curfreq = f->frequency; if (dsbr100_setfreq(radio, radio->curfreq)==-1) @@ -317,7 +317,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct dsbr100_device *radio = video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = radio->curfreq; @@ -342,7 +342,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct dsbr100_device *radio = video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -355,7 +355,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct dsbr100_device *radio = video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -405,7 +405,7 @@ static int vidioc_s_audio(struct file *file, void *priv, static int usb_dsbr100_open(struct inode *inode, struct file *file) { - struct dsbr100_device *radio=video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); lock_kernel(); radio->users = 1; @@ -424,7 +424,7 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file) static int usb_dsbr100_close(struct inode *inode, struct file *file) { - struct dsbr100_device *radio=video_get_drvdata(video_devdata(file)); + struct dsbr100_device *radio = video_drvdata(file); if (!radio) return -ENODEV; diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c index 62cc6874d63f..9305e958fc66 100644 --- a/drivers/media/radio/radio-aimslab.c +++ b/drivers/media/radio/radio-aimslab.c @@ -246,8 +246,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -274,8 +273,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); rt->curfreq = f->frequency; rt_setfreq(rt, rt->curfreq); @@ -285,8 +283,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = rt->curfreq; @@ -311,8 +308,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -328,8 +324,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c index 5dd5e349ef47..d78489573230 100644 --- a/drivers/media/radio/radio-aztech.c +++ b/drivers/media/radio/radio-aztech.c @@ -196,8 +196,7 @@ static int vidioc_querycap (struct file *file, void *priv, static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct az_device *az = video_get_drvdata(dev); + struct az_device *az = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -265,8 +264,7 @@ static int vidioc_s_audio (struct file *file, void *priv, static int vidioc_s_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct az_device *az = video_get_drvdata(dev); + struct az_device *az = video_drvdata(file); az->curfreq = f->frequency; az_setfreq(az, az->curfreq); @@ -276,8 +274,7 @@ static int vidioc_s_frequency (struct file *file, void *priv, static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct az_device *az = video_get_drvdata(dev); + struct az_device *az = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = az->curfreq; @@ -303,8 +300,7 @@ static int vidioc_queryctrl (struct file *file, void *priv, static int vidioc_g_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct az_device *az = video_get_drvdata(dev); + struct az_device *az = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -323,8 +319,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct az_device *az = video_get_drvdata(dev); + struct az_device *az = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c index 1f57f731c121..e15bee6d7cfc 100644 --- a/drivers/media/radio/radio-gemtek-pci.c +++ b/drivers/media/radio/radio-gemtek-pci.c @@ -204,8 +204,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = video_get_drvdata(dev); + struct gemtek_pci_card *card = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -232,8 +231,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = video_get_drvdata(dev); + struct gemtek_pci_card *card = video_drvdata(file); if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) || (f->frequency > GEMTEK_PCI_RANGE_HIGH) ) @@ -247,8 +245,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = video_get_drvdata(dev); + struct gemtek_pci_card *card = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = card->current_frequency; @@ -272,8 +269,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = video_get_drvdata(dev); + struct gemtek_pci_card *card = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -292,8 +288,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct gemtek_pci_card *card = video_get_drvdata(dev); + struct gemtek_pci_card *card = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index 2c4c15e6d510..d131a5d38128 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -459,8 +459,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *v) static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = video_get_drvdata(dev); + struct gemtek_device *rt = video_drvdata(file); gemtek_setfreq(rt, f->frequency); @@ -470,8 +469,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = video_get_drvdata(dev); + struct gemtek_device *rt = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = rt->lastfreq; @@ -495,8 +493,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = video_get_drvdata(dev); + struct gemtek_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -515,8 +512,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct gemtek_device *rt = video_get_drvdata(dev); + struct gemtek_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-maestro.c b/drivers/media/radio/radio-maestro.c index 182b433981ca..4bf4d007bcfa 100644 --- a/drivers/media/radio/radio-maestro.c +++ b/drivers/media/radio/radio-maestro.c @@ -210,8 +210,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -243,8 +242,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) return -EINVAL; @@ -255,8 +253,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = BITS2FREQ(radio_bits_get(card)); @@ -281,8 +278,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -295,8 +291,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); register u16 io = card->io; register u16 omask = inw(io + IO_MASK); diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index 9bf2acf5249c..c777a17b00bc 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -231,8 +231,7 @@ static int vidioc_querycap (struct file *file, void *priv, static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -302,8 +301,7 @@ static int vidioc_s_audio (struct file *file, void *priv, static int vidioc_s_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) { dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n", @@ -324,8 +322,7 @@ static int vidioc_s_frequency (struct file *file, void *priv, static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = card->freq; @@ -355,8 +352,7 @@ static int vidioc_queryctrl (struct file *file, void *priv, static int vidioc_g_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -370,8 +366,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct radio_device *card = video_get_drvdata(dev); + struct radio_device *card = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c index 4234f7ed0fc3..a67079777419 100644 --- a/drivers/media/radio/radio-rtrack2.c +++ b/drivers/media/radio/radio-rtrack2.c @@ -154,8 +154,7 @@ static int rt_getsigstr(struct rt_device *dev) static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -174,8 +173,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); rt->curfreq = f->frequency; rt_setfreq(rt, rt->curfreq); @@ -185,8 +183,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = rt->curfreq; @@ -211,8 +208,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -231,8 +227,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct rt_device *rt = video_get_drvdata(dev); + struct rt_device *rt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index 810c366b73b0..329c90bddadd 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -147,8 +147,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { int mult; - struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = video_get_drvdata(dev); + struct fmi_device *fmi = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -176,8 +175,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = video_get_drvdata(dev); + struct fmi_device *fmi = video_drvdata(file); if (!(fmi->flags & V4L2_TUNER_CAP_LOW)) f->frequency *= 1000; @@ -194,8 +192,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = video_get_drvdata(dev); + struct fmi_device *fmi = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = fmi->curfreq; @@ -222,8 +219,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = video_get_drvdata(dev); + struct fmi_device *fmi = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -236,8 +232,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct fmi_device *fmi = video_get_drvdata(dev); + struct fmi_device *fmi = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 9f823150452d..b1f47c322e02 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -230,8 +230,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { int mult; - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = video_get_drvdata(dev); + struct fmr2_device *fmr2 = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -263,8 +262,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = video_get_drvdata(dev); + struct fmr2_device *fmr2 = video_drvdata(file); if (!(fmr2->flags & V4L2_TUNER_CAP_LOW)) f->frequency *= 1000; @@ -287,8 +285,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = video_get_drvdata(dev); + struct fmr2_device *fmr2 = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = fmr2->curfreq; @@ -314,8 +311,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = video_get_drvdata(dev); + struct fmr2_device *fmr2 = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -331,8 +327,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = video_get_drvdata(dev); + struct fmr2_device *fmr2 = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 337d55793836..f6cedcd3ab97 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -986,7 +986,7 @@ static void si470x_work(struct work_struct *work) static ssize_t si470x_fops_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; unsigned int block_count = 0; @@ -1047,7 +1047,7 @@ done: static unsigned int si470x_fops_poll(struct file *file, struct poll_table_struct *pts) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* switch on rds reception */ @@ -1071,7 +1071,7 @@ static unsigned int si470x_fops_poll(struct file *file, */ static int si470x_fops_open(struct inode *inode, struct file *file) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval; lock_kernel(); @@ -1101,7 +1101,7 @@ done: */ static int si470x_fops_release(struct inode *inode, struct file *file) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety check */ @@ -1284,7 +1284,7 @@ done: static int si470x_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1320,7 +1320,7 @@ done: static int si470x_vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1407,7 +1407,7 @@ done: static int si470x_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *tuner) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1473,7 +1473,7 @@ done: static int si470x_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *tuner) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1507,7 +1507,7 @@ done: static int si470x_vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *freq) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1536,7 +1536,7 @@ done: static int si470x_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *freq) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ @@ -1565,7 +1565,7 @@ done: static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, struct v4l2_hw_freq_seek *seek) { - struct si470x_device *radio = video_get_drvdata(video_devdata(file)); + struct si470x_device *radio = video_drvdata(file); int retval = 0; /* safety checks */ diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c index 0bc9af686ad7..0abb186a9473 100644 --- a/drivers/media/radio/radio-terratec.c +++ b/drivers/media/radio/radio-terratec.c @@ -221,8 +221,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = video_get_drvdata(dev); + struct tt_device *tt = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -249,8 +248,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = video_get_drvdata(dev); + struct tt_device *tt = video_drvdata(file); tt->curfreq = f->frequency; tt_setfreq(tt, tt->curfreq); @@ -260,8 +258,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = video_get_drvdata(dev); + struct tt_device *tt = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = tt->curfreq; @@ -286,8 +283,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = video_get_drvdata(dev); + struct tt_device *tt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -306,8 +302,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct tt_device *tt = video_get_drvdata(dev); + struct tt_device *tt = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c index 27255d7ff1ba..952ec35a8415 100644 --- a/drivers/media/radio/radio-typhoon.c +++ b/drivers/media/radio/radio-typhoon.c @@ -223,8 +223,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = video_get_drvdata(dev); + struct typhoon_device *typhoon = video_drvdata(file); typhoon->curfreq = f->frequency; typhoon_setfreq(typhoon, typhoon->curfreq); @@ -234,8 +233,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = video_get_drvdata(dev); + struct typhoon_device *typhoon = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = typhoon->curfreq; @@ -261,8 +259,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = video_get_drvdata(dev); + struct typhoon_device *typhoon = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -278,8 +275,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct typhoon_device *typhoon = video_get_drvdata(dev); + struct typhoon_device *typhoon = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index 3a9a7772ae51..f75da63b1634 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -246,8 +246,7 @@ static int vidioc_querycap(struct file *file, void *priv, static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { - struct video_device *dev = video_devdata(file); - struct zol_device *zol = video_get_drvdata(dev); + struct zol_device *zol = video_drvdata(file); if (v->index > 0) return -EINVAL; @@ -277,8 +276,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct zol_device *zol = video_get_drvdata(dev); + struct zol_device *zol = video_drvdata(file); zol->curfreq = f->frequency; zol_setfreq(zol, zol->curfreq); @@ -288,8 +286,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { - struct video_device *dev = video_devdata(file); - struct zol_device *zol = video_get_drvdata(dev); + struct zol_device *zol = video_drvdata(file); f->type = V4L2_TUNER_RADIO; f->frequency = zol->curfreq; @@ -314,8 +311,7 @@ static int vidioc_queryctrl(struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct zol_device *zol = video_get_drvdata(dev); + struct zol_device *zol = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: @@ -331,8 +327,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct zol_device *zol = video_get_drvdata(dev); + struct zol_device *zol = video_drvdata(file); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c index eb9f15cd4c45..897e8d1a5c3c 100644 --- a/drivers/media/video/cpia2/cpia2_v4l.c +++ b/drivers/media/video/cpia2/cpia2_v4l.c @@ -241,8 +241,7 @@ static struct v4l2_queryctrl controls[] = { *****************************************************************************/ static int cpia2_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct camera_data *cam = video_get_drvdata(dev); + struct camera_data *cam = video_drvdata(file); int retval = 0; if (!cam) { @@ -357,8 +356,7 @@ static int cpia2_close(struct inode *inode, struct file *file) static ssize_t cpia2_v4l_read(struct file *file, char __user *buf, size_t count, loff_t *off) { - struct video_device *dev = video_devdata(file); - struct camera_data *cam = video_get_drvdata(dev); + struct camera_data *cam = video_drvdata(file); int noblock = file->f_flags&O_NONBLOCK; struct cpia2_fh *fh = file->private_data; @@ -382,9 +380,7 @@ static ssize_t cpia2_v4l_read(struct file *file, char __user *buf, size_t count, *****************************************************************************/ static unsigned int cpia2_v4l_poll(struct file *filp, struct poll_table_struct *wait) { - struct video_device *dev = video_devdata(filp); - struct camera_data *cam = video_get_drvdata(dev); - + struct camera_data *cam = video_drvdata(filp); struct cpia2_fh *fh = filp->private_data; if(!cam) @@ -1579,8 +1575,7 @@ static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file) static int cpia2_do_ioctl(struct inode *inode, struct file *file, unsigned int ioctl_nr, void *arg) { - struct video_device *dev = video_devdata(file); - struct camera_data *cam = video_get_drvdata(dev); + struct camera_data *cam = video_drvdata(file); int retval = 0; if (!cam) @@ -1860,9 +1855,8 @@ static int cpia2_ioctl(struct inode *inode, struct file *file, *****************************************************************************/ static int cpia2_mmap(struct file *file, struct vm_area_struct *area) { + struct camera_data *cam = video_drvdata(file); int retval; - struct video_device *dev = video_devdata(file); - struct camera_data *cam = video_get_drvdata(dev); /* Priority check */ struct cpia2_fh *fh = file->private_data; diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c index 8db2a05bf9c5..7a85c41b0eea 100644 --- a/drivers/media/video/et61x251/et61x251_core.c +++ b/drivers/media/video/et61x251/et61x251_core.c @@ -1214,7 +1214,7 @@ static int et61x251_open(struct inode* inode, struct file* filp) if (!down_read_trylock(&et61x251_dev_lock)) return -ERESTARTSYS; - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); if (wait_for_completion_interruptible(&cam->probe)) { up_read(&et61x251_dev_lock); @@ -1297,7 +1297,7 @@ static int et61x251_release(struct inode* inode, struct file* filp) down_write(&et61x251_dev_lock); - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); et61x251_stop_transfer(cam); et61x251_release_buffers(cam); @@ -1318,7 +1318,7 @@ static ssize_t et61x251_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) { - struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_device *cam = video_drvdata(filp); struct et61x251_frame_t* f, * i; unsigned long lock_flags; long timeout; @@ -1426,7 +1426,7 @@ exit: static unsigned int et61x251_poll(struct file *filp, poll_table *wait) { - struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_device *cam = video_drvdata(filp); struct et61x251_frame_t* f; unsigned long lock_flags; unsigned int mask = 0; @@ -1502,7 +1502,7 @@ static struct vm_operations_struct et61x251_vm_ops = { static int et61x251_mmap(struct file* filp, struct vm_area_struct *vma) { - struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_device *cam = video_drvdata(filp); unsigned long size = vma->vm_end - vma->vm_start, start = vma->vm_start; void *pos; @@ -2395,7 +2395,7 @@ et61x251_vidioc_s_parm(struct et61x251_device* cam, void __user * arg) static int et61x251_ioctl_v4l2(struct inode* inode, struct file* filp, unsigned int cmd, void __user * arg) { - struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_device *cam = video_drvdata(filp); switch (cmd) { @@ -2490,7 +2490,7 @@ static int et61x251_ioctl_v4l2(struct inode* inode, struct file* filp, static int et61x251_ioctl(struct inode* inode, struct file* filp, unsigned int cmd, unsigned long arg) { - struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_device *cam = video_drvdata(filp); int err = 0; if (mutex_lock_interruptible(&cam->fileop_mutex)) diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index 0178b49da0c1..ff81049e936d 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -149,6 +149,7 @@ static int saa5246a_probe(struct i2c_adapter *adap) static int saa5246a_detach(struct i2c_client *client) { struct video_device *vd = i2c_get_clientdata(client); + i2c_detach_client(client); video_unregister_device(vd); kfree(video_get_drvdata(vd)); @@ -581,8 +582,7 @@ static inline int saa5246a_stop_dau(struct saa5246a_device *t, static int do_saa5246a_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { - struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = video_get_drvdata(vd); + struct saa5246a_device *t = video_drvdata(file); switch(cmd) { @@ -723,8 +723,7 @@ static inline unsigned int vtx_fix_command(unsigned int cmd) static int saa5246a_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = video_get_drvdata(vd); + struct saa5246a_device *t = video_drvdata(file); int err; cmd = vtx_fix_command(cmd); @@ -736,8 +735,7 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file, static int saa5246a_open(struct inode *inode, struct file *file) { - struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = video_get_drvdata(vd); + struct saa5246a_device *t = video_drvdata(file); if (t->client == NULL) return -ENODEV; @@ -779,8 +777,7 @@ static int saa5246a_open(struct inode *inode, struct file *file) static int saa5246a_release(struct inode *inode, struct file *file) { - struct video_device *vd = video_devdata(file); - struct saa5246a_device *t = video_get_drvdata(vd); + struct saa5246a_device *t = video_drvdata(file); /* Stop all acquisition circuits. */ i2c_senddata(t, SAA5246A_REGISTER_R1, diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index c784715a0b04..8517aa4f0681 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -319,8 +319,7 @@ static int do_saa5249_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { static int virtual_mode = false; - struct video_device *vd = video_devdata(file); - struct saa5249_device *t = video_get_drvdata(vd); + struct saa5249_device *t = video_drvdata(file); switch(cmd) { @@ -618,8 +617,7 @@ static inline unsigned int vtx_fix_command(unsigned int cmd) static int saa5249_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct video_device *vd = video_devdata(file); - struct saa5249_device *t = video_get_drvdata(vd); + struct saa5249_device *t = video_drvdata(file); int err; cmd = vtx_fix_command(cmd); @@ -631,8 +629,7 @@ static int saa5249_ioctl(struct inode *inode, struct file *file, static int saa5249_open(struct inode *inode, struct file *file) { - struct video_device *vd = video_devdata(file); - struct saa5249_device *t = video_get_drvdata(vd); + struct saa5249_device *t = video_drvdata(file); int pgbuf; if (t->client == NULL) @@ -669,8 +666,7 @@ static int saa5249_open(struct inode *inode, struct file *file) static int saa5249_release(struct inode *inode, struct file *file) { - struct video_device *vd = video_devdata(file); - struct saa5249_device *t = video_get_drvdata(vd); + struct saa5249_device *t = video_drvdata(file); i2c_senddata(t, 1, 0x20, -1); /* Turn off CCT */ i2c_senddata(t, 5, 3, 3, -1); /* Turn off TV-display */ diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 2da6938718f2..4b76c45c148c 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -1746,7 +1746,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp) if (!down_read_trylock(&sn9c102_dev_lock)) return -ERESTARTSYS; - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); if (wait_for_completion_interruptible(&cam->probe)) { up_read(&sn9c102_dev_lock); @@ -1843,7 +1843,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp) down_write(&sn9c102_dev_lock); - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); sn9c102_stop_transfer(cam); sn9c102_release_buffers(cam); @@ -1863,7 +1863,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp) static ssize_t sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_device *cam = video_drvdata(filp); struct sn9c102_frame_t* f, * i; unsigned long lock_flags; long timeout; @@ -1987,7 +1987,7 @@ exit: static unsigned int sn9c102_poll(struct file *filp, poll_table *wait) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_device *cam = video_drvdata(filp); struct sn9c102_frame_t* f; unsigned long lock_flags; unsigned int mask = 0; @@ -2063,7 +2063,7 @@ static struct vm_operations_struct sn9c102_vm_ops = { static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_device *cam = video_drvdata(filp); unsigned long size = vma->vm_end - vma->vm_start, start = vma->vm_start; void *pos; @@ -3075,7 +3075,7 @@ sn9c102_vidioc_s_audio(struct sn9c102_device* cam, void __user * arg) static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, unsigned int cmd, void __user * arg) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_device *cam = video_drvdata(filp); switch (cmd) { @@ -3179,7 +3179,7 @@ static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, static int sn9c102_ioctl(struct inode* inode, struct file* filp, unsigned int cmd, unsigned long arg) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_device *cam = video_drvdata(filp); int err = 0; if (mutex_lock_interruptible(&cam->fileop_mutex)) diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c index 1ffcc393fcbb..7a127d6bfdee 100644 --- a/drivers/media/video/usbvideo/vicam.c +++ b/drivers/media/video/usbvideo/vicam.c @@ -472,8 +472,7 @@ vicam_ioctl(struct inode *inode, struct file *file, unsigned int ioctlnr, unsign static int vicam_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct vicam_camera *cam = video_get_drvdata(dev); + struct vicam_camera *cam = video_drvdata(file); DBG("open\n"); diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index b76295a5be8b..782ee643601c 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -360,9 +360,7 @@ static void usbvision_remove_sysfs(struct video_device *vdev) */ static int usbvision_v4l2_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int errCode = 0; PDEBUG(DBG_IO, "open"); @@ -439,9 +437,7 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file) */ static int usbvision_v4l2_close(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); PDEBUG(DBG_IO, "close"); mutex_lock(&usbvision->lock); @@ -486,9 +482,7 @@ static int usbvision_v4l2_close(struct inode *inode, struct file *file) static int vidioc_g_register (struct file *file, void *priv, struct v4l2_register *reg) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int errCode; if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) @@ -507,9 +501,7 @@ static int vidioc_g_register (struct file *file, void *priv, static int vidioc_s_register (struct file *file, void *priv, struct v4l2_register *reg) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int errCode; if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) @@ -528,9 +520,7 @@ static int vidioc_s_register (struct file *file, void *priv, static int vidioc_querycap (struct file *file, void *priv, struct v4l2_capability *vc) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); strlcpy(vc->driver, "USBVision", sizeof(vc->driver)); strlcpy(vc->card, @@ -550,9 +540,7 @@ static int vidioc_querycap (struct file *file, void *priv, static int vidioc_enum_input (struct file *file, void *priv, struct v4l2_input *vi) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int chan; if ((vi->index >= usbvision->video_inputs) || (vi->index < 0) ) @@ -605,9 +593,7 @@ static int vidioc_enum_input (struct file *file, void *priv, static int vidioc_g_input (struct file *file, void *priv, unsigned int *input) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); *input = usbvision->ctl_input; return 0; @@ -615,9 +601,7 @@ static int vidioc_g_input (struct file *file, void *priv, unsigned int *input) static int vidioc_s_input (struct file *file, void *priv, unsigned int input) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); if ((input >= usbvision->video_inputs) || (input < 0) ) return -EINVAL; @@ -634,9 +618,8 @@ static int vidioc_s_input (struct file *file, void *priv, unsigned int input) static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); + usbvision->tvnormId=*id; mutex_lock(&usbvision->lock); @@ -652,9 +635,7 @@ static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id) static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *vt) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); if (!usbvision->have_tuner || vt->index) // Only tuner 0 return -EINVAL; @@ -673,9 +654,7 @@ static int vidioc_g_tuner (struct file *file, void *priv, static int vidioc_s_tuner (struct file *file, void *priv, struct v4l2_tuner *vt) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); // Only no or one tuner for now if (!usbvision->have_tuner || vt->index) @@ -689,9 +668,7 @@ static int vidioc_s_tuner (struct file *file, void *priv, static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *freq) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); freq->tuner = 0; // Only one tuner if(usbvision->radio) { @@ -707,9 +684,7 @@ static int vidioc_g_frequency (struct file *file, void *priv, static int vidioc_s_frequency (struct file *file, void *priv, struct v4l2_frequency *freq) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); // Only no or one tuner for now if (!usbvision->have_tuner || freq->tuner) @@ -723,9 +698,7 @@ static int vidioc_s_frequency (struct file *file, void *priv, static int vidioc_g_audio (struct file *file, void *priv, struct v4l2_audio *a) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); memset(a,0,sizeof(*a)); if(usbvision->radio) { @@ -750,9 +723,7 @@ static int vidioc_s_audio (struct file *file, void *fh, static int vidioc_queryctrl (struct file *file, void *priv, struct v4l2_queryctrl *ctrl) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int id=ctrl->id; memset(ctrl,0,sizeof(*ctrl)); @@ -769,9 +740,7 @@ static int vidioc_queryctrl (struct file *file, void *priv, static int vidioc_g_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); call_i2c_clients(usbvision, VIDIOC_G_CTRL, ctrl); return 0; @@ -780,9 +749,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, static int vidioc_s_ctrl (struct file *file, void *priv, struct v4l2_control *ctrl) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); call_i2c_clients(usbvision, VIDIOC_S_CTRL, ctrl); return 0; @@ -791,9 +758,7 @@ static int vidioc_s_ctrl (struct file *file, void *priv, static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *vr) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int ret; RESTRICT_TO_RANGE(vr->count,1,USBVISION_NUMFRAMES); @@ -821,9 +786,7 @@ static int vidioc_reqbufs (struct file *file, static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *vb) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); struct usbvision_frame *frame; /* FIXME : must control @@ -859,9 +822,7 @@ static int vidioc_querybuf (struct file *file, static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *vb) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); struct usbvision_frame *frame; unsigned long lock_flags; @@ -898,9 +859,7 @@ static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *vb) static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *vb) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int ret; struct usbvision_frame *f; unsigned long lock_flags; @@ -941,9 +900,7 @@ static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *vb) static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; usbvision->streaming = Stream_On; @@ -955,9 +912,7 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type type) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int b=V4L2_BUF_TYPE_VIDEO_CAPTURE; if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -990,9 +945,7 @@ static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, struct v4l2_format *vf) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); vf->fmt.pix.width = usbvision->curwidth; vf->fmt.pix.height = usbvision->curheight; vf->fmt.pix.pixelformat = usbvision->palette.format; @@ -1008,9 +961,7 @@ static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, struct v4l2_format *vf) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int formatIdx; /* Find requested format in available ones */ @@ -1038,9 +989,7 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *vf) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int ret; if( 0 != (ret=vidioc_try_fmt_vid_cap (file, priv, vf)) ) { @@ -1068,9 +1017,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, static ssize_t usbvision_v4l2_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int noblock = file->f_flags & O_NONBLOCK; unsigned long lock_flags; @@ -1179,10 +1126,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma) start = vma->vm_start; void *pos; u32 i; - - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); PDEBUG(DBG_MMAP, "mmap"); @@ -1239,9 +1183,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma) */ static int usbvision_radio_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int errCode = 0; PDEBUG(DBG_IO, "%s:", __func__); @@ -1291,9 +1233,7 @@ out: static int usbvision_radio_close(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct usb_usbvision *usbvision = - (struct usb_usbvision *) video_get_drvdata(dev); + struct usb_usbvision *usbvision = video_drvdata(file); int errCode = 0; PDEBUG(DBG_IO, ""); diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index d7bd71be40a9..d4758c8e13ad 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -400,15 +400,13 @@ static int uvc_has_privileges(struct uvc_fh *handle) static int uvc_v4l2_open(struct inode *inode, struct file *file) { - struct video_device *vdev; struct uvc_video_device *video; struct uvc_fh *handle; int ret = 0; uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_open\n"); mutex_lock(&uvc_driver.open_mutex); - vdev = video_devdata(file); - video = video_get_drvdata(vdev); + video = video_drvdata(file); if (video->dev->state & UVC_DEV_DISCONNECTED) { ret = -ENODEV; @@ -440,8 +438,7 @@ done: static int uvc_v4l2_release(struct inode *inode, struct file *file) { - struct video_device *vdev = video_devdata(file); - struct uvc_video_device *video = video_get_drvdata(vdev); + struct uvc_video_device *video = video_drvdata(file); struct uvc_fh *handle = (struct uvc_fh *)file->private_data; uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_release\n"); @@ -1031,8 +1028,7 @@ static struct vm_operations_struct uvc_vm_ops = { static int uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma) { - struct video_device *vdev = video_devdata(file); - struct uvc_video_device *video = video_get_drvdata(vdev); + struct uvc_video_device *video = video_drvdata(file); struct uvc_buffer *uninitialized_var(buffer); struct page *page; unsigned long addr, start, size; @@ -1085,8 +1081,7 @@ done: static unsigned int uvc_v4l2_poll(struct file *file, poll_table *wait) { - struct video_device *vdev = video_devdata(file); - struct uvc_video_device *video = video_get_drvdata(vdev); + struct uvc_video_device *video = video_drvdata(file); uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_poll\n"); diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c index ca421cc84f8f..8ec57df1904f 100644 --- a/drivers/media/video/vino.c +++ b/drivers/media/video/vino.c @@ -4024,8 +4024,7 @@ out: static int vino_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); int ret = 0; dprintk("open(): channel = %c\n", (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); @@ -4056,8 +4055,7 @@ static int vino_open(struct inode *inode, struct file *file) static int vino_close(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); dprintk("close():\n"); mutex_lock(&vcs->mutex); @@ -4100,8 +4098,7 @@ static struct vm_operations_struct vino_vm_ops = { static int vino_mmap(struct file *file, struct vm_area_struct *vma) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); unsigned long start = vma->vm_start; unsigned long size = vma->vm_end - vma->vm_start; @@ -4206,8 +4203,7 @@ out: static unsigned int vino_poll(struct file *file, poll_table *pt) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); unsigned int outgoing; unsigned int ret = 0; @@ -4247,8 +4243,7 @@ error: static int vino_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); #ifdef VINO_DEBUG switch (_IOC_TYPE(cmd)) { @@ -4355,8 +4350,7 @@ static int vino_do_ioctl(struct inode *inode, struct file *file, static int vino_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct video_device *dev = video_devdata(file); - struct vino_channel_settings *vcs = video_get_drvdata(dev); + struct vino_channel_settings *vcs = video_drvdata(file); int ret; if (mutex_lock_interruptible(&vcs->mutex)) diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index 14ebb15837fb..b2dbe48a92bb 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -187,16 +187,14 @@ static ssize_t w9966_v4l_read(struct file *file, char __user *buf, static int w9966_exclusive_open(struct inode *inode, struct file *file) { - struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = video_get_drvdata(vdev); + struct w9966_dev *cam = video_drvdata(file); return test_and_set_bit(0, &cam->in_use) ? -EBUSY : 0; } static int w9966_exclusive_release(struct inode *inode, struct file *file) { - struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = video_get_drvdata(vdev); + struct w9966_dev *cam = video_drvdata(file); clear_bit(0, &cam->in_use); return 0; @@ -732,8 +730,7 @@ static int w9966_wReg_i2c(struct w9966_dev* cam, int reg, int data) static int w9966_v4l_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) { - struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = video_get_drvdata(vdev); + struct w9966_dev *cam = video_drvdata(file); switch(cmd) { @@ -891,8 +888,7 @@ static int w9966_v4l_ioctl(struct inode *inode, struct file *file, static ssize_t w9966_v4l_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct video_device *vdev = video_devdata(file); - struct w9966_dev *cam = video_get_drvdata(vdev); + struct w9966_dev *cam = video_drvdata(file); unsigned char addr = 0xa0; // ECP, read, CCD-transfer, 00000 unsigned char __user *dest = (unsigned char __user *)buf; unsigned long dleft = count; diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c index 0c3287734c93..6a0902bcba6b 100644 --- a/drivers/media/video/zc0301/zc0301_core.c +++ b/drivers/media/video/zc0301/zc0301_core.c @@ -657,7 +657,7 @@ static int zc0301_open(struct inode* inode, struct file* filp) if (!down_read_trylock(&zc0301_dev_lock)) return -EAGAIN; - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); if (wait_for_completion_interruptible(&cam->probe)) { up_read(&zc0301_dev_lock); @@ -739,7 +739,7 @@ static int zc0301_release(struct inode* inode, struct file* filp) down_write(&zc0301_dev_lock); - cam = video_get_drvdata(video_devdata(filp)); + cam = video_drvdata(filp); zc0301_stop_transfer(cam); zc0301_release_buffers(cam); @@ -759,7 +759,7 @@ static int zc0301_release(struct inode* inode, struct file* filp) static ssize_t zc0301_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) { - struct zc0301_device* cam = video_get_drvdata(video_devdata(filp)); + struct zc0301_device *cam = video_drvdata(filp); struct zc0301_frame_t* f, * i; unsigned long lock_flags; long timeout; @@ -866,7 +866,7 @@ exit: static unsigned int zc0301_poll(struct file *filp, poll_table *wait) { - struct zc0301_device* cam = video_get_drvdata(video_devdata(filp)); + struct zc0301_device *cam = video_drvdata(filp); struct zc0301_frame_t* f; unsigned long lock_flags; unsigned int mask = 0; @@ -941,7 +941,7 @@ static struct vm_operations_struct zc0301_vm_ops = { static int zc0301_mmap(struct file* filp, struct vm_area_struct *vma) { - struct zc0301_device* cam = video_get_drvdata(video_devdata(filp)); + struct zc0301_device *cam = video_drvdata(filp); unsigned long size = vma->vm_end - vma->vm_start, start = vma->vm_start; void *pos; @@ -1796,7 +1796,7 @@ zc0301_vidioc_s_parm(struct zc0301_device* cam, void __user * arg) static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp, unsigned int cmd, void __user * arg) { - struct zc0301_device* cam = video_get_drvdata(video_devdata(filp)); + struct zc0301_device *cam = video_drvdata(filp); switch (cmd) { @@ -1891,7 +1891,7 @@ static int zc0301_ioctl_v4l2(struct inode* inode, struct file* filp, static int zc0301_ioctl(struct inode* inode, struct file* filp, unsigned int cmd, unsigned long arg) { - struct zc0301_device* cam = video_get_drvdata(video_devdata(filp)); + struct zc0301_device *cam = video_drvdata(filp); int err = 0; if (mutex_lock_interruptible(&cam->fileop_mutex)) diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index 621d7fe3074b..c13a178383ba 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -87,8 +87,7 @@ static void snd_tea575x_set_freq(struct snd_tea575x *tea) static int snd_tea575x_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long data) { - struct video_device *dev = video_devdata(file); - struct snd_tea575x *tea = video_get_drvdata(dev); + struct snd_tea575x *tea = video_drvdata(file); void __user *arg = (void __user *)data; switch(cmd) { @@ -177,16 +176,14 @@ static void snd_tea575x_release(struct video_device *vfd) static int snd_tea575x_exclusive_open(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct snd_tea575x *tea = video_get_drvdata(dev); + struct snd_tea575x *tea = video_drvdata(file); return test_and_set_bit(0, &tea->in_use) ? -EBUSY : 0; } static int snd_tea575x_exclusive_release(struct inode *inode, struct file *file) { - struct video_device *dev = video_devdata(file); - struct snd_tea575x *tea = video_get_drvdata(dev); + struct snd_tea575x *tea = video_drvdata(file); clear_bit(0, &tea->in_use); return 0; -- GitLab From 9d95af9d09d537d287eea9914c0d1ca4cfa0ec7f Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 24 Aug 2008 11:18:47 -0300 Subject: [PATCH 3812/6244] V4L/DVB (8791): v4l2-dev: do not clear the driver_data field The driver_data field of the device structure was zeroed, thus losing this information. Many drivers set this up before calling video_device_register, so we have to ensure that it isn't lost. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 1ec0a1a8fb73..99f7ee4bc503 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -226,6 +226,7 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int end; int ret; char *name_base; + void *priv = video_get_drvdata(vfd); /* the release callback MUST be present */ BUG_ON(!vfd->release); @@ -295,6 +296,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, /* sysfs class */ memset(&vfd->dev, 0, sizeof(vfd->dev)); + /* The memset above cleared the device's drvdata, so + put back the copy we made earlier. */ + video_set_drvdata(vfd, priv); vfd->dev.class = &video_class; vfd->dev.devt = MKDEV(VIDEO_MAJOR, vfd->minor); if (vfd->parent) -- GitLab From f03813e4d1900b619d4cb133506b130e535614f0 Mon Sep 17 00:00:00 2001 From: Dmitry Belimov Date: Tue, 26 Aug 2008 13:44:40 -0300 Subject: [PATCH 3813/6244] V4L/DVB (8795): saa7134-empress: insert leading null bytes for Beholder M6 empress cards Additional code to improve the init sequence and add board type tests were done by Hans Verkuil. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa6752hs.c | 17 +++++++++++------ drivers/media/video/saa7134/saa7134-empress.c | 15 ++++++++++++--- 2 files changed, 23 insertions(+), 9 deletions(-) diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 28499e591925..f40cb0b479b1 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -653,7 +653,7 @@ static int saa6752hs_qmenu(struct saa6752hs_state *h, return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL); } -static int saa6752hs_init(struct i2c_client* client) +static int saa6752hs_init(struct i2c_client *client, u32 leading_null_bytes) { unsigned char buf[9], buf2[4]; struct saa6752hs_state *h; @@ -705,6 +705,12 @@ static int saa6752hs_init(struct i2c_client* client) buf[1] = 0x05; i2c_master_send(client,buf,2); + /* Set leading null byte for TS */ + buf[0] = 0xF6; + buf[1] = (leading_null_bytes >> 8) & 0xff; + buf[2] = leading_null_bytes & 0xff; + i2c_master_send(client, buf, 3); + /* compute PAT */ memcpy(localPAT, PAT, sizeof(PAT)); localPAT[17] = 0xe0 | ((h->params.ts_pid_pmt >> 8) & 0x0f); @@ -812,14 +818,13 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) int i; switch (cmd) { + case VIDIOC_INT_INIT: + /* apply settings and start encoder */ + saa6752hs_init(client, *(u32 *)arg); + break; case VIDIOC_S_EXT_CTRLS: if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - if (ctrls->count == 0) { - /* apply settings and start encoder */ - saa6752hs_init(client); - break; - } /* fall through */ case VIDIOC_TRY_EXT_CTRLS: case VIDIOC_G_EXT_CTRLS: diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index f5a186a13db2..946edf64dc28 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -64,10 +64,19 @@ static void ts_reset_encoder(struct saa7134_dev* dev) static int ts_init_encoder(struct saa7134_dev* dev) { - struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 }; - + u32 leading_null_bytes = 0; + + /* If more cards start to need this, then this + should probably be added to the card definitions. */ + switch (dev->board) { + case SAA7134_BOARD_BEHOLD_M6: + case SAA7134_BOARD_BEHOLD_M63: + case SAA7134_BOARD_BEHOLD_M6_EXTRA: + leading_null_bytes = 1; + break; + } ts_reset_encoder(dev); - saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls); + saa7134_i2c_call_clients(dev, VIDIOC_INT_INIT, &leading_null_bytes); dev->empress_started = 1; return 0; } -- GitLab From 8809b9cc8658d27c17d4fc07811b0ebd3f74f20c Mon Sep 17 00:00:00 2001 From: Dmitry Belimov Date: Tue, 26 Aug 2008 13:47:10 -0300 Subject: [PATCH 3814/6244] V4L/DVB (8796): saa7134-empress: remove incorrect IRQ defines for TS SAA7134_IRQ1_INTE_RA2_3 and SAA7134_IRQ1_INTE_RA2_2 are used for planar video, not for TS. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-core.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 148aa81dc246..12872c042f3a 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -416,9 +416,7 @@ int saa7134_set_dmabits(struct saa7134_dev *dev) /* TS capture -- dma 5 */ if (dev->ts_q.curr) { ctrl |= SAA7134_MAIN_CTRL_TE5; - irq |= SAA7134_IRQ1_INTE_RA2_3 | - SAA7134_IRQ1_INTE_RA2_2 | - SAA7134_IRQ1_INTE_RA2_1 | + irq |= SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0; } -- GitLab From 92c36147a7fdcead94f98c0a14f30d279653fa64 Mon Sep 17 00:00:00 2001 From: Dmitry Belimov Date: Tue, 26 Aug 2008 14:16:33 -0300 Subject: [PATCH 3815/6244] V4L/DVB (8797): A simple state machine was added to saa7134_ts. A simple state machine was added to saa7134_ts. It has three states: SAA7134_TS_STOPPED SAA7134_TS_BUFF_DONE SAA7134_TS_STARTED When buffer_setup is run we start the TS initialization: set SAA7134_TS_STOPPED. When all buffers are prepared we write data into DMA register and set SAA7134_TS_BUFF_DONE. When the first buffer is active start TS and set SAA7134_TS_STARTED. When ts_release is called stop TS and set SAA7134_TS_STOPPED. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-ts.c | 56 +++++++++++++++++++----- drivers/media/video/saa7134/saa7134.h | 8 ++++ 2 files changed, 52 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c index eae72fd60cec..ef55a59f0cda 100644 --- a/drivers/media/video/saa7134/saa7134-ts.c +++ b/drivers/media/video/saa7134/saa7134-ts.c @@ -66,11 +66,29 @@ static int buffer_activate(struct saa7134_dev *dev, saa7134_set_dmabits(dev); mod_timer(&dev->ts_q.timeout, jiffies+BUFFER_TIMEOUT); + + if (dev->ts_state == SAA7134_TS_BUFF_DONE) { + /* Clear TS cache */ + dev->buff_cnt = 0; + saa_writeb(SAA7134_TS_SERIAL1, 0x00); + saa_writeb(SAA7134_TS_SERIAL1, 0x03); + saa_writeb(SAA7134_TS_SERIAL1, 0x00); + saa_writeb(SAA7134_TS_SERIAL1, 0x01); + + /* TS clock non-inverted */ + saa_writeb(SAA7134_TS_SERIAL1, 0x00); + + /* Start TS stream */ + saa_writeb(SAA7134_TS_SERIAL0, 0x40); + saa_writeb(SAA7134_TS_PARALLEL, 0xEC); + dev->ts_state = SAA7134_TS_STARTED; + } + return 0; } static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) + enum v4l2_field field) { struct saa7134_dev *dev = q->priv_data; struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); @@ -110,16 +128,22 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, goto oops; } - /* dma: setup channel 5 (= TS) */ - control = SAA7134_RS_CONTROL_BURST_16 | - SAA7134_RS_CONTROL_ME | - (buf->pt->dma >> 12); - - saa_writeb(SAA7134_TS_DMA0, ((lines-1)&0xff)); - saa_writeb(SAA7134_TS_DMA1, (((lines-1)>>8)&0xff)); - saa_writeb(SAA7134_TS_DMA2, ((((lines-1)>>16)&0x3f) | 0x00)); /* TSNOPIT=0, TSCOLAP=0 */ - saa_writel(SAA7134_RS_PITCH(5),TS_PACKET_SIZE); - saa_writel(SAA7134_RS_CONTROL(5),control); + dev->buff_cnt++; + + if (dev->buff_cnt == dev->ts.nr_bufs) { + dev->ts_state = SAA7134_TS_BUFF_DONE; + /* dma: setup channel 5 (= TS) */ + control = SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (buf->pt->dma >> 12); + + saa_writeb(SAA7134_TS_DMA0, (lines - 1) & 0xff); + saa_writeb(SAA7134_TS_DMA1, ((lines - 1) >> 8) & 0xff); + /* TSNOPIT=0, TSCOLAP=0 */ + saa_writeb(SAA7134_TS_DMA2, (((lines - 1) >> 16) & 0x3f) | 0x00); + saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE); + saa_writel(SAA7134_RS_CONTROL(5), control); + } buf->vb.state = VIDEOBUF_PREPARED; buf->activate = buffer_activate; @@ -140,6 +164,8 @@ buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) if (0 == *count) *count = dev->ts.nr_bufs; *count = saa7134_buffer_count(*size,*count); + dev->buff_cnt = 0; + dev->ts_state = SAA7134_TS_STOPPED; return 0; } @@ -154,7 +180,13 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); + struct saa7134_dev *dev = q->priv_data; + if (dev->ts_state == SAA7134_TS_STARTED) { + /* Stop TS transport */ + saa_writeb(SAA7134_TS_PARALLEL, 0x6c); + dev->ts_state = SAA7134_TS_STOPPED; + } saa7134_dma_free(q,buf); } @@ -182,7 +214,7 @@ int saa7134_ts_init_hw(struct saa7134_dev *dev) /* deactivate TS softreset */ saa_writeb(SAA7134_TS_SERIAL1, 0x00); /* TSSOP high active, TSVAL high active, TSLOCK ignored */ - saa_writeb(SAA7134_TS_PARALLEL, 0xec); + saa_writeb(SAA7134_TS_PARALLEL, 0x6c); saa_writeb(SAA7134_TS_PARALLEL_SERIAL, (TS_PACKET_SIZE-1)); saa_writeb(SAA7134_TS_DMA0, ((dev->ts.nr_packets-1)&0xff)); saa_writeb(SAA7134_TS_DMA1, (((dev->ts.nr_packets-1)>>8)&0xff)); diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index a0884f639f65..a1e0dad1267b 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -462,6 +462,12 @@ struct saa7134_mpeg_ops { void (*signal_change)(struct saa7134_dev *dev); }; +enum saa7134_ts_status { + SAA7134_TS_STOPPED, + SAA7134_TS_BUFF_DONE, + SAA7134_TS_STARTED, +}; + /* global device status */ struct saa7134_dev { struct list_head devlist; @@ -555,6 +561,8 @@ struct saa7134_dev { /* SAA7134_MPEG_* */ struct saa7134_ts ts; struct saa7134_dmaqueue ts_q; + enum saa7134_ts_status ts_state; + unsigned int buff_cnt; struct saa7134_mpeg_ops *mops; struct i2c_client *mpeg_i2c_client; -- GitLab From 28531558006d5c525b19a207a7ab4ec0643191c9 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 29 Aug 2008 15:16:31 -0300 Subject: [PATCH 3816/6244] V4L/DVB (8799): soc-camera: add API documentation Signed-off-by: Guennadi Liakhovetski Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/soc-camera.txt | 120 +++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 Documentation/video4linux/soc-camera.txt diff --git a/Documentation/video4linux/soc-camera.txt b/Documentation/video4linux/soc-camera.txt new file mode 100644 index 000000000000..178ef3c5e579 --- /dev/null +++ b/Documentation/video4linux/soc-camera.txt @@ -0,0 +1,120 @@ + Soc-Camera Subsystem + ==================== + +Terminology +----------- + +The following terms are used in this document: + - camera / camera device / camera sensor - a video-camera sensor chip, capable + of connecting to a variety of systems and interfaces, typically uses i2c for + control and configuration, and a parallel or a serial bus for data. + - camera host - an interface, to which a camera is connected. Typically a + specialised interface, present on many SoCs, e.g., PXA27x and PXA3xx, SuperH, + AVR32, i.MX27, i.MX31. + - camera host bus - a connection between a camera host and a camera. Can be + parallel or serial, consists of data and control lines, e.g., clock, vertical + and horizontal synchronization signals. + +Purpose of the soc-camera subsystem +----------------------------------- + +The soc-camera subsystem provides a unified API between camera host drivers and +camera sensor drivers. It implements a V4L2 interface to the user, currently +only the mmap method is supported. + +This subsystem has been written to connect drivers for System-on-Chip (SoC) +video capture interfaces with drivers for CMOS camera sensor chips to enable +the reuse of sensor drivers with various hosts. The subsystem has been designed +to support multiple camera host interfaces and multiple cameras per interface, +although most applications have only one camera sensor. + +Existing drivers +---------------- + +As of 2.6.27-rc4 there are two host drivers in the mainline: pxa_camera.c for +PXA27x SoCs and sh_mobile_ceu_camera.c for SuperH SoCs, and four sensor drivers: +mt9m001.c, mt9m111.c, mt9v022.c and a generic soc_camera_platform.c driver. This +list is not supposed to be updated, look for more examples in your tree. + +Camera host API +--------------- + +A host camera driver is registered using the + +soc_camera_host_register(struct soc_camera_host *); + +function. The host object can be initialized as follows: + +static struct soc_camera_host pxa_soc_camera_host = { + .drv_name = PXA_CAM_DRV_NAME, + .ops = &pxa_soc_camera_host_ops, +}; + +All camera host methods are passed in a struct soc_camera_host_ops: + +static struct soc_camera_host_ops pxa_soc_camera_host_ops = { + .owner = THIS_MODULE, + .add = pxa_camera_add_device, + .remove = pxa_camera_remove_device, + .suspend = pxa_camera_suspend, + .resume = pxa_camera_resume, + .set_fmt_cap = pxa_camera_set_fmt_cap, + .try_fmt_cap = pxa_camera_try_fmt_cap, + .init_videobuf = pxa_camera_init_videobuf, + .reqbufs = pxa_camera_reqbufs, + .poll = pxa_camera_poll, + .querycap = pxa_camera_querycap, + .try_bus_param = pxa_camera_try_bus_param, + .set_bus_param = pxa_camera_set_bus_param, +}; + +.add and .remove methods are called when a sensor is attached to or detached +from the host, apart from performing host-internal tasks they shall also call +sensor driver's .init and .release methods respectively. .suspend and .resume +methods implement host's power-management functionality and its their +responsibility to call respective sensor's methods. .try_bus_param and +.set_bus_param are used to negotiate physical connection parameters between the +host and the sensor. .init_videobuf is called by soc-camera core when a +video-device is opened, further video-buffer management is implemented completely +by the specific camera host driver. The rest of the methods are called from +respective V4L2 operations. + +Camera API +---------- + +Sensor drivers can use struct soc_camera_link, typically provided by the +platform, and used to specify to which camera host bus the sensor is connected, +and arbitrarily provide platform .power and .reset methods for the camera. +soc_camera_device_register() and soc_camera_device_unregister() functions are +used to add a sensor driver to or remove one from the system. The registration +function takes a pointer to struct soc_camera_device as the only parameter. +This struct can be initialized as follows: + + /* link to driver operations */ + icd->ops = &mt9m001_ops; + /* link to the underlying physical (e.g., i2c) device */ + icd->control = &client->dev; + /* window geometry */ + icd->x_min = 20; + icd->y_min = 12; + icd->x_current = 20; + icd->y_current = 12; + icd->width_min = 48; + icd->width_max = 1280; + icd->height_min = 32; + icd->height_max = 1024; + icd->y_skip_top = 1; + /* camera bus ID, typically obtained from platform data */ + icd->iface = icl->bus_id; + +struct soc_camera_ops provides .probe and .remove methods, which are called by +the soc-camera core, when a camera is matched against or removed from a camera +host bus, .init, .release, .suspend, and .resume are called from the camera host +driver as discussed above. Other members of this struct provide respective V4L2 +functionality. + +struct soc_camera_device also links to an array of struct soc_camera_data_format, +listing pixel formats, supported by the camera. + +-- +Author: Guennadi Liakhovetski -- GitLab From ba77531f51d59a4ca4e5f9b5960301f7dc7a5390 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 27 Aug 2008 17:20:01 -0300 Subject: [PATCH 3817/6244] V4L/DVB (8800): [v4l-dvb-maintainer] [PATCH] v4l: mt9m111.c make function static drivers/media/video/mt9m111.c:758:5: warning: symbol 'mt9m111_restore_state' was not declared. Should it be static? New warning in next-20080825 Signed-off-by: Harvey Harrison Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mt9m111.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c index 4844486d72fb..da0b2d553fd0 100644 --- a/drivers/media/video/mt9m111.c +++ b/drivers/media/video/mt9m111.c @@ -755,7 +755,7 @@ static int mt9m111_set_control(struct soc_camera_device *icd, return ret; } -int mt9m111_restore_state(struct soc_camera_device *icd) +static int mt9m111_restore_state(struct soc_camera_device *icd) { struct mt9m111 *mt9m111 = container_of(icd, struct mt9m111, icd); -- GitLab From 4c56b04af67211c4311dd9961ce5aba86b96ba9c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Tue, 12 Aug 2008 13:30:03 -0300 Subject: [PATCH 3818/6244] V4L/DVB (8807): Add DVB support for the Leadtek Winfast PxDVR3200 H This patch is on behalf of Stephen Backway , and represents two patches I received (and some subsequent whitespace cleanup I had due to how I pulled the patches). From the original author: a) Add DVB support for the Leadtek Winfast PxDVR3200 H. b) The tuner callback previously checked the command 3 times: 1) To see if it was the XC2028_RESET_CLK 2) To see if it was not the XC2028_RESET_TUNER 3) To see if it was the XC2028_RESET_TUNER This patch removes the third check. Signed-off-by: Steven Toth Signed-off-by: Stephen Backway Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx23885 | 1 + drivers/media/video/cx23885/Kconfig | 1 + drivers/media/video/cx23885/cx23885-cards.c | 42 +++++++++++++++------ drivers/media/video/cx23885/cx23885-dvb.c | 26 +++++++++++++ drivers/media/video/cx23885/cx23885.h | 1 + 5 files changed, 60 insertions(+), 11 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.cx23885 b/Documentation/video4linux/CARDLIST.cx23885 index bccafd357853..64823ccacd69 100644 --- a/Documentation/video4linux/CARDLIST.cx23885 +++ b/Documentation/video4linux/CARDLIST.cx23885 @@ -10,3 +10,4 @@ 9 -> Hauppauge WinTV-HVR1400 [0070:8010] 10 -> DViCO FusionHDTV7 Dual Express [18ac:d618] 11 -> DViCO FusionHDTV DVB-T Dual Express [18ac:db78] + 12 -> Leadtek Winfast PxDVR3200 H [107d:6681] diff --git a/drivers/media/video/cx23885/Kconfig b/drivers/media/video/cx23885/Kconfig index e60bd31b51a3..8c1b7fa47a41 100644 --- a/drivers/media/video/cx23885/Kconfig +++ b/drivers/media/video/cx23885/Kconfig @@ -15,6 +15,7 @@ config VIDEO_CX23885 select DVB_S5H1409 if !DVB_FE_CUSTOMISE select DVB_S5H1411 if !DVB_FE_CUSTOMISE select DVB_LGDT330X if !DVB_FE_CUSTOMISE + select DVB_ZL10353 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_XC2028 if !DVB_FE_CUSTOMIZE select MEDIA_TUNER_TDA8290 if !DVB_FE_CUSTOMIZE select MEDIA_TUNER_TDA18271 if !DVB_FE_CUSTOMIZE diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index 0daffc3dbec0..ccea8de7c7dc 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -154,6 +154,10 @@ struct cx23885_board cx23885_boards[] = { .portb = CX23885_MPEG_DVB, .portc = CX23885_MPEG_DVB, }, + [CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H] = { + .name = "Leadtek Winfast PxDVR3200 H", + .portc = CX23885_MPEG_DVB, + }, }; const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards); @@ -229,6 +233,10 @@ struct cx23885_subid cx23885_subids[] = { .subvendor = 0x18ac, .subdevice = 0xdb78, .card = CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP, + }, { + .subvendor = 0x107d, + .subdevice = 0x6681, + .card = CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H, }, }; const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids); @@ -348,21 +356,18 @@ int cx23885_tuner_callback(void *priv, int command, int arg) case CX23885_BOARD_HAUPPAUGE_HVR1400: case CX23885_BOARD_HAUPPAUGE_HVR1500: case CX23885_BOARD_HAUPPAUGE_HVR1500Q: + case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H: /* Tuner Reset Command */ - if (command == 0) - bitmask = 0x04; + bitmask = 0x04; break; case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP: case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: - if (command == 0) { - - /* Two identical tuners on two different i2c buses, - * we need to reset the correct gpio. */ - if (port->nr == 0) - bitmask = 0x01; - else if (port->nr == 1) - bitmask = 0x04; - } + /* Two identical tuners on two different i2c buses, + * we need to reset the correct gpio. */ + if (port->nr == 0) + bitmask = 0x01; + else if (port->nr == 1) + bitmask = 0x04; break; } @@ -491,6 +496,19 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) mdelay(20); cx_set(GP0_IO, 0x000f000f); break; + case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H: + /* GPIO-2 xc3028 tuner reset */ + + /* The following GPIO's are on the internal AVCore (cx25840) */ + /* GPIO-? zl10353 demod reset */ + + /* Put the parts into reset and back */ + cx_set(GP0_IO, 0x00040000); + mdelay(20); + cx_clear(GP0_IO, 0x00000004); + mdelay(20); + cx_set(GP0_IO, 0x00040004); + break; } } @@ -578,6 +596,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1200: case CX23885_BOARD_HAUPPAUGE_HVR1700: case CX23885_BOARD_HAUPPAUGE_HVR1400: + case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H: default: ts2->gen_ctrl_val = 0xc; /* Serial bus + punctured clock */ ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */ @@ -591,6 +610,7 @@ void cx23885_card_setup(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1800: case CX23885_BOARD_HAUPPAUGE_HVR1800lp: case CX23885_BOARD_HAUPPAUGE_HVR1700: + case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H: request_module("cx25840"); break; } diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index f8564bb0d428..b85cb39b101d 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -501,6 +501,32 @@ static int dvb_register(struct cx23885_tsport *port) } break; } + case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H: + i2c_bus = &dev->i2c_bus[0]; + + port->dvb.frontend = dvb_attach(zl10353_attach, + &dvico_fusionhdtv_xc3028, + &i2c_bus->i2c_adap); + if (port->dvb.frontend != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &dev->i2c_bus[1].i2c_adap, + .i2c_addr = 0x61, + .video_dev = port, + .callback = cx23885_tuner_callback, + }; + static struct xc2028_ctrl ctl = { + .fname = "xc3028-v27.fw", + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + }; + + fe = dvb_attach(xc2028_attach, port->dvb.frontend, + &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctl); + } + break; default: printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n", dev->name); diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index db52d814a974..4e0fcb3f7fcb 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -65,6 +65,7 @@ #define CX23885_BOARD_HAUPPAUGE_HVR1400 9 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11 +#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */ #define CX23885_NORMS (\ -- GitLab From abc94fc8feb1488079dd7dd46bd61d37d91c5658 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 27 Aug 2008 10:46:39 -0300 Subject: [PATCH 3819/6244] V4L/DVB (8838): CRED: Wrap task credential accesses in video input drivers Wrap access to task credentials so that they can be separated more easily from the task_struct during the introduction of COW creds. Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id(). Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more sense to use RCU directly rather than a convenient wrapper; these will be addressed by later patches. Signed-off-by: David Howells Reviewed-by: James Morris Acked-by: Serge Hallyn Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cpia.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index b14c59c281eb..c325e926de8a 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -3202,7 +3202,7 @@ static int cpia_open(struct inode *inode, struct file *file) /* Set ownership of /proc/cpia/videoX to current user */ if(cam->proc_entry) - cam->proc_entry->uid = current->uid; + cam->proc_entry->uid = current_uid(); /* set mark for loading first frame uncompressed */ cam->first_frame = 1; -- GitLab From 22b88d48a08e334d36218ca166749c4e6d644f0c Mon Sep 17 00:00:00 2001 From: Dean Anderson Date: Fri, 29 Aug 2008 15:33:19 -0300 Subject: [PATCH 3820/6244] V4L/DVB (8845): s2255drv: adds JPEG compression quality control adds VIDIOC_S_JPEGCOMP and VIDIOC_G_JPEGCOMP ioctls for controlling JPEG compression quality. Signed-off-by: Dean Anderson Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s2255drv.c | 35 +++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index ea40f4c8b33e..b8e104552206 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -58,6 +58,8 @@ +/* default JPEG quality */ +#define S2255_DEF_JPEG_QUAL 50 /* vendor request in */ #define S2255_VR_IN 0 /* vendor request out */ @@ -242,6 +244,8 @@ struct s2255_dev { struct s2255_pipeinfo pipes[MAX_PIPE_BUFFERS]; struct s2255_bufferi buffer[MAX_CHANNELS]; struct s2255_mode mode[MAX_CHANNELS]; + /* jpeg compression */ + struct v4l2_jpegcompression jc[MAX_CHANNELS]; const struct s2255_fmt *cur_fmt[MAX_CHANNELS]; int cur_frame[MAX_CHANNELS]; int last_frame[MAX_CHANNELS]; @@ -1035,7 +1039,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, fh->mode.color = COLOR_Y8; break; case V4L2_PIX_FMT_JPEG: - fh->mode.color = COLOR_JPG | (50 << 8); + fh->mode.color = COLOR_JPG | + (fh->dev->jc[fh->channel].quality << 8); break; case V4L2_PIX_FMT_YUV422P: fh->mode.color = COLOR_YUVPL; @@ -1208,6 +1213,10 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn, dev->mode[chn].scale); dprintk(2, "mode contrast %x\n", mode->contrast); + /* if JPEG, set the quality */ + if ((mode->color & MASK_COLOR) == COLOR_JPG) + mode->color = (dev->jc[chn].quality << 8) | COLOR_JPG; + /* save the mode */ dev->mode[chn] = *mode; dev->req_image_size[chn] = get_transfer_size(mode); @@ -1472,6 +1481,27 @@ static int vidioc_s_ctrl(struct file *file, void *priv, return -EINVAL; } +static int vidioc_g_jpegcomp(struct file *file, void *priv, + struct v4l2_jpegcompression *jc) +{ + struct s2255_fh *fh = priv; + struct s2255_dev *dev = fh->dev; + *jc = dev->jc[fh->channel]; + dprintk(2, "getting jpegcompression, quality %d\n", jc->quality); + return 0; +} + +static int vidioc_s_jpegcomp(struct file *file, void *priv, + struct v4l2_jpegcompression *jc) +{ + struct s2255_fh *fh = priv; + struct s2255_dev *dev = fh->dev; + if (jc->quality < 0 || jc->quality > 100) + return -EINVAL; + dev->jc[fh->channel].quality = jc->quality; + dprintk(2, "setting jpeg quality %d\n", jc->quality); + return 0; +} static int s2255_open(struct inode *inode, struct file *file) { int minor = iminor(inode); @@ -1762,6 +1792,8 @@ static const struct v4l2_ioctl_ops s2255_ioctl_ops = { #ifdef CONFIG_VIDEO_V4L1_COMPAT .vidiocgmbuf = vidioc_cgmbuf, #endif + .vidioc_s_jpegcomp = vidioc_s_jpegcomp, + .vidioc_g_jpegcomp = vidioc_g_jpegcomp, }; static struct video_device template = { @@ -2148,6 +2180,7 @@ static int s2255_board_init(struct s2255_dev *dev) for (j = 0; j < MAX_CHANNELS; j++) { dev->b_acquire[j] = 0; dev->mode[j] = mode_def; + dev->jc[j].quality = S2255_DEF_JPEG_QUAL; dev->cur_fmt[j] = &formats[0]; dev->mode[j].restart = 1; dev->req_image_size[j] = get_transfer_size(&mode_def); -- GitLab From 08ebd003d90955d78b58bb348a098fee301b8a82 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 29 Aug 2008 17:37:44 -0300 Subject: [PATCH 3821/6244] V4L/DVB (8846): uvcvideo: Supress spurious "EOF in empty payload" trace message Pass the payload size instead of the header size to uvc_video_decode_end() to avoid generating an extra trace message for each frame. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 03dc3a519e4c..593aebffe57d 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -455,7 +455,8 @@ static void uvc_video_decode_isoc(struct urb *urb, urb->iso_frame_desc[i].actual_length - ret); /* Process the header again. */ - uvc_video_decode_end(video, buf, mem, ret); + uvc_video_decode_end(video, buf, mem, + urb->iso_frame_desc[i].actual_length); if (buf->state == UVC_BUF_STATE_DONE || buf->state == UVC_BUF_STATE_ERROR) @@ -512,7 +513,7 @@ static void uvc_video_decode_bulk(struct urb *urb, video->bulk.payload_size >= video->bulk.max_payload_size) { if (!video->bulk.skip_payload && buf != NULL) { uvc_video_decode_end(video, buf, video->bulk.header, - video->bulk.header_size); + video->bulk.payload_size); if (buf->state == UVC_BUF_STATE_DONE || buf->state == UVC_BUF_STATE_ERROR) buf = uvc_queue_next_buffer(&video->queue, buf); -- GitLab From 4e08caf0cb85c4f63ddaf72a67d95fba8528e04e Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 29 Aug 2008 17:57:10 -0300 Subject: [PATCH 3822/6244] V4L/DVB (8847): uvcvideo: Add support for a Bison Electronics webcam found in the Fujitsu Amilo SI2636. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_driver.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 4a2d09988fa2..4ab4d1ebb227 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1930,6 +1930,15 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_PROBE_MINMAX }, + /* Fujitsu Amilo SI2636 - Bison Electronics */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x0202, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_PROBE_MINMAX }, /* Bison Electronics */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, -- GitLab From 187565c43a95bcf7798c58d518ddd765933d24da Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 30 Aug 2008 06:03:09 -0300 Subject: [PATCH 3823/6244] V4L/DVB (8850): bt856: fix define conflict Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt856.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c index 98ee2d8feb34..ab2ce4d7b5de 100644 --- a/drivers/media/video/bt856.c +++ b/drivers/media/video/bt856.c @@ -68,8 +68,8 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)"); /* ----------------------------------------------------------------------- */ -#define REG_OFFSET 0xDA -#define BT856_NR_REG 6 +#define BT856_REG_OFFSET 0xDA +#define BT856_NR_REG 6 struct bt856 { unsigned char reg[BT856_NR_REG]; @@ -89,7 +89,7 @@ bt856_write (struct i2c_client *client, { struct bt856 *encoder = i2c_get_clientdata(client); - encoder->reg[reg - REG_OFFSET] = value; + encoder->reg[reg - BT856_REG_OFFSET] = value; return i2c_smbus_write_byte_data(client, reg, value); } @@ -103,7 +103,7 @@ bt856_setbit (struct i2c_client *client, return bt856_write(client, reg, (encoder-> - reg[reg - REG_OFFSET] & ~(1 << bit)) | + reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) | (value ? (1 << bit) : 0)); } -- GitLab From 7f8ecfab7a1d256707502207c56dd4bf3e3a026e Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 29 Aug 2008 17:31:35 -0300 Subject: [PATCH 3824/6244] V4L/DVB (8852): v4l2: use register_chrdev_region instead of register_chrdev Replace the old register_chrdev with the more flexible register_chrdev_region. Ensure that the release() is called when the very last chardev usage was released, and not when the sysfs devices were removed. This should simplify hotpluggable drivers considerably. Tested-by: Mike Isely Tested-by: Laurent Pinchart Signed-off-by: Hans Verkuil Acked-by: David Ellingsworth Reviewed-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 131 ++++++++++++++++----------------- include/media/v4l2-dev.h | 3 + 2 files changed, 66 insertions(+), 68 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 99f7ee4bc503..02b9cc76d36b 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -60,6 +60,12 @@ static struct device_attribute video_device_attrs[] = { __ATTR_NULL }; +/* + * Active devices + */ +static struct video_device *video_device[VIDEO_NUM_DEVICES]; +static DEFINE_MUTEX(videodev_lock); + struct video_device *video_device_alloc(void) { return kzalloc(sizeof(struct video_device), GFP_KERNEL); @@ -79,11 +85,41 @@ void video_device_release_empty(struct video_device *vfd) } EXPORT_SYMBOL(video_device_release_empty); +/* Called when the last user of the character device is gone. */ +static void v4l2_chardev_release(struct kobject *kobj) +{ + struct video_device *vfd = container_of(kobj, struct video_device, cdev.kobj); + + mutex_lock(&videodev_lock); + if (video_device[vfd->minor] != vfd) + panic("videodev: bad release"); + + /* Free up this device for reuse */ + video_device[vfd->minor] = NULL; + mutex_unlock(&videodev_lock); + + /* Release the character device */ + vfd->cdev_release(kobj); + /* Release video_device and perform other + cleanups as needed. */ + if (vfd->release) + vfd->release(vfd); +} + +/* The new kobj_type for the character device */ +static struct kobj_type v4l2_ktype_cdev_default = { + .release = v4l2_chardev_release, +}; + static void video_release(struct device *cd) { struct video_device *vfd = container_of(cd, struct video_device, dev); - vfd->release(vfd); + /* It's now safe to delete the char device. + This will either trigger the v4l2_chardev_release immediately (if + the refcount goes to 0) or later when the last user of the + character device closes it. */ + cdev_del(&vfd->cdev); } static struct class video_class = { @@ -92,56 +128,12 @@ static struct class video_class = { .dev_release = video_release, }; -/* - * Active devices - */ - -static struct video_device *video_device[VIDEO_NUM_DEVICES]; -static DEFINE_MUTEX(videodev_lock); - struct video_device *video_devdata(struct file *file) { return video_device[iminor(file->f_path.dentry->d_inode)]; } EXPORT_SYMBOL(video_devdata); -/* - * Open a video device - FIXME: Obsoleted - */ -static int video_open(struct inode *inode, struct file *file) -{ - unsigned int minor = iminor(inode); - int err = 0; - struct video_device *vfl; - const struct file_operations *old_fops; - - if (minor >= VIDEO_NUM_DEVICES) - return -ENODEV; - mutex_lock(&videodev_lock); - vfl = video_device[minor]; - if (vfl == NULL) { - mutex_unlock(&videodev_lock); - request_module("char-major-%d-%d", VIDEO_MAJOR, minor); - mutex_lock(&videodev_lock); - vfl = video_device[minor]; - if (vfl == NULL) { - mutex_unlock(&videodev_lock); - return -ENODEV; - } - } - old_fops = file->f_op; - file->f_op = fops_get(vfl->fops); - if (file->f_op->open) - err = file->f_op->open(inode, file); - if (err) { - fops_put(file->f_op); - file->f_op = fops_get(old_fops); - } - fops_put(old_fops); - mutex_unlock(&videodev_lock); - return err; -} - /** * get_index - assign stream number based on parent device * @vdev: video_device to assign index number to, vdev->dev should be assigned @@ -261,6 +253,9 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, return -EINVAL; } + /* Initialize the character device */ + cdev_init(&vfd->cdev, vfd->fops); + vfd->cdev.owner = vfd->fops->owner; /* pick a minor number */ mutex_lock(&videodev_lock); if (nr >= 0 && nr < end-base) { @@ -294,6 +289,11 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, goto fail_minor; } + ret = cdev_add(&vfd->cdev, MKDEV(VIDEO_MAJOR, vfd->minor), 1); + if (ret < 0) { + printk(KERN_ERR "%s: cdev_add failed\n", __func__); + goto fail_minor; + } /* sysfs class */ memset(&vfd->dev, 0, sizeof(vfd->dev)); /* The memset above cleared the device's drvdata, so @@ -307,11 +307,17 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, ret = device_register(&vfd->dev); if (ret < 0) { printk(KERN_ERR "%s: device_register failed\n", __func__); - goto fail_minor; + goto del_cdev; } - + /* Remember the cdev's release function */ + vfd->cdev_release = vfd->cdev.kobj.ktype->release; + /* Install our own */ + vfd->cdev.kobj.ktype = &v4l2_ktype_cdev_default; return 0; +del_cdev: + cdev_del(&vfd->cdev); + fail_minor: mutex_lock(&videodev_lock); video_device[vfd->minor] = NULL; @@ -331,42 +337,29 @@ EXPORT_SYMBOL(video_register_device_index); void video_unregister_device(struct video_device *vfd) { - mutex_lock(&videodev_lock); - if (video_device[vfd->minor] != vfd) - panic("videodev: bad unregister"); - - video_device[vfd->minor] = NULL; device_unregister(&vfd->dev); - mutex_unlock(&videodev_lock); } EXPORT_SYMBOL(video_unregister_device); -/* - * Video fs operations - */ -static const struct file_operations video_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .open = video_open, -}; - /* * Initialise video for linux */ - static int __init videodev_init(void) { + dev_t dev = MKDEV(VIDEO_MAJOR, 0); int ret; printk(KERN_INFO "Linux video capture interface: v2.00\n"); - if (register_chrdev(VIDEO_MAJOR, VIDEO_NAME, &video_fops)) { - printk(KERN_WARNING "video_dev: unable to get major %d\n", VIDEO_MAJOR); - return -EIO; + ret = register_chrdev_region(dev, VIDEO_NUM_DEVICES, VIDEO_NAME); + if (ret < 0) { + printk(KERN_WARNING "videodev: unable to get major %d\n", + VIDEO_MAJOR); + return ret; } ret = class_register(&video_class); if (ret < 0) { - unregister_chrdev(VIDEO_MAJOR, VIDEO_NAME); + unregister_chrdev_region(dev, VIDEO_NUM_DEVICES); printk(KERN_WARNING "video_dev: class_register failed\n"); return -EIO; } @@ -376,8 +369,10 @@ static int __init videodev_init(void) static void __exit videodev_exit(void) { + dev_t dev = MKDEV(VIDEO_MAJOR, 0); + class_unregister(&video_class); - unregister_chrdev(VIDEO_MAJOR, VIDEO_NAME); + unregister_chrdev_region(dev, VIDEO_NUM_DEVICES); } module_init(videodev_init) diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index fb92e3d22d7e..d129b56e1a9f 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -47,6 +48,8 @@ struct video_device /* sysfs */ struct device dev; /* v4l device */ + struct cdev cdev; /* character device */ + void (*cdev_release)(struct kobject *kobj); struct device *parent; /* device parent */ /* device info */ -- GitLab From 20c104d0a4d055cfa3df4fcbae818f8e10bd541a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 30 Aug 2008 08:21:13 -0300 Subject: [PATCH 3825/6244] V4L/DVB (8856): v4l: fix assorted compile warnings/errors BIT define conflicts on kernels < 2.6.24, byteorder/swab.h doesn't need to be included at all. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 1 - drivers/media/video/cx18/cx18-i2c.c | 2 -- drivers/media/video/ivtv/ivtv-driver.h | 1 - drivers/media/video/ivtv/ivtv-i2c.c | 2 -- drivers/media/video/vpx3220.c | 2 -- 5 files changed, 8 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 26359897d147..7bdd2fcdf200 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -38,7 +38,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c index 6023ba3bd3a6..7d8fb25baae8 100644 --- a/drivers/media/video/cx18/cx18-i2c.c +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -27,8 +27,6 @@ #include "cx18-av-core.h" #include "cx18-i2c.h" -#include - #define CX18_REG_I2C_1_WR 0xf15000 #define CX18_REG_I2C_1_RD 0xf15008 #define CX18_REG_I2C_2_WR 0xf25100 diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index 2ceb5227637c..b76a12268637 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -49,7 +49,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c index af154238fb9a..24700c211d52 100644 --- a/drivers/media/video/ivtv/ivtv-i2c.c +++ b/drivers/media/video/ivtv/ivtv-i2c.c @@ -64,8 +64,6 @@ #include "ivtv-gpio.h" #include "ivtv-i2c.h" -#include - /* i2c implementation for cx23415/6 chip, ivtv project. * Author: Kevin Thayer (nufan_wfk at yahoo.com) */ diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c index 35293029da02..45be9ec8edc4 100644 --- a/drivers/media/video/vpx3220.c +++ b/drivers/media/video/vpx3220.c @@ -24,8 +24,6 @@ #include #include -#include - #include #include -- GitLab From 6ea9a1829a89515c1866151b1fdca7ee612d1490 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 30 Aug 2008 09:40:47 -0300 Subject: [PATCH 3826/6244] V4L/DVB (8857): v4l2-dev: replace panic with BUG Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/v4l2-dev.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 02b9cc76d36b..7addf2fd55de 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -91,8 +91,11 @@ static void v4l2_chardev_release(struct kobject *kobj) struct video_device *vfd = container_of(kobj, struct video_device, cdev.kobj); mutex_lock(&videodev_lock); - if (video_device[vfd->minor] != vfd) - panic("videodev: bad release"); + if (video_device[vfd->minor] != vfd) { + mutex_unlock(&videodev_lock); + BUG(); + return; + } /* Free up this device for reuse */ video_device[vfd->minor] = NULL; -- GitLab From bccd7003aef20e040cef95d1216dac26199d7071 Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Sat, 30 Aug 2008 12:15:54 -0300 Subject: [PATCH 3827/6244] V4L/DVB (8866): Add dummy FE to the Kconfig-file and fix it Reactivated dummy frontend driver which is extremely useful for debugging. Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/Kconfig | 6 ++++++ drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/dvb_dummy_fe.c | 7 ++++--- 3 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 774f5c2a71e8..e2444f270f0a 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -392,4 +392,10 @@ config DVB_LGS8GL5 help A DMB-TH tuner module. Say Y when you want to support this frontend. +comment "Tools to develop new frontends" + +config DVB_DUMMY_FE + tristate "Dummy frontend driver" + default n + endmenu diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 262eaa429f5d..ca24618d5da8 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -49,3 +49,4 @@ obj-$(CONFIG_DVB_AU8522) += au8522.o obj-$(CONFIG_DVB_TDA10048) += tda10048.o obj-$(CONFIG_DVB_S5H1411) += s5h1411.o obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o +obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c index fed09dfb2b7c..cb4d8a3b9d8b 100644 --- a/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -75,9 +75,10 @@ static int dvb_dummy_fe_get_frontend(struct dvb_frontend* fe, struct dvb_fronten static int dvb_dummy_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { - if (fe->ops->tuner_ops->set_params) { - fe->ops->tuner_ops->set_params(fe, p); - if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0); + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, p); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); } return 0; -- GitLab From eb1b27bd86db6f9f73d6db973b18f31790a3d410 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 30 Aug 2008 10:18:21 -0300 Subject: [PATCH 3828/6244] V4L/DVB (8879): bttv: Don't unmask VPRES interrupt When the input is set to tuner and no antenna is connected, the BT848 can flood VPRES interrupts. So we don't want to enable this type of interrupts when the input it set to tuner. As we don't do anything when receiving such an interrupt anyway, the easiest fix is to simply not unmask this specific interrupt. Signed-off-by: Jean Delvare Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 035a58d1aaa4..ef205cd2a2a7 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -1367,7 +1367,7 @@ static void init_irqreg(struct bttv *btv) (btv->gpioirq ? BT848_INT_GPINT : 0) | BT848_INT_SCERR | (fdsr ? BT848_INT_FDSR : 0) | - BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES| + BT848_INT_RISCI | BT848_INT_OCERR | BT848_INT_FMTCHG|BT848_INT_HLOCK| BT848_INT_I2CDONE, BT848_INT_MASK); -- GitLab From 26d2e854bc242f0134a4be7f1eed98129d96d943 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Mon, 21 Jul 2008 16:20:32 -0300 Subject: [PATCH 3829/6244] V4L/DVB (8559): replace __FUNCTION__ with __func__ v4l: replace __FUNCTION__ with __func__ Signed-off-by: Alexander Beregalov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-core.c | 2 +- include/media/saa7146.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index 25fb09938744..beb3e61669a3 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -1442,7 +1442,7 @@ void cx23885_cancel_buffers(struct cx23885_tsport *port) struct cx23885_dev *dev = port->dev; struct cx23885_dmaqueue *q = &port->mpegq; - dprintk(1, "%s()\n", __FUNCTION__); + dprintk(1, "%s()\n", __func__); del_timer_sync(&q->timeout); cx23885_stop_dma(port); do_cancel_buffers(port, "cancel", 0); diff --git a/include/media/saa7146.h b/include/media/saa7146.h index 2f68f4cd0037..64a2ec746a3e 100644 --- a/include/media/saa7146.h +++ b/include/media/saa7146.h @@ -30,7 +30,7 @@ extern unsigned int saa7146_debug; #define DEBUG_VARIABLE saa7146_debug #endif -#define DEBUG_PROLOG printk("%s: %s(): ",KBUILD_MODNAME,__FUNCTION__) +#define DEBUG_PROLOG printk("%s: %s(): ",KBUILD_MODNAME, __func__) #define INFO(x) { printk("%s: ",KBUILD_MODNAME); printk x; } #define ERR(x) { DEBUG_PROLOG; printk x; } -- GitLab From 81ae953b687e7cdfa094b07a6544523f3bb81aa3 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Wed, 3 Sep 2008 18:16:09 -0300 Subject: [PATCH 3830/6244] V4L/DVB (8888): budget: Support Activy DVB-T with TDHD1 tuner Support Fujitsu-Siemens Activy DVB-T card rev AL (ALPS TDHD1-204A tuner). Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tdhd1.h | 70 +++++++++++++++++++++++++++++ drivers/media/dvb/ttpci/Kconfig | 1 + drivers/media/dvb/ttpci/budget.c | 11 +++++ 3 files changed, 82 insertions(+) create mode 100644 drivers/media/dvb/frontends/tdhd1.h diff --git a/drivers/media/dvb/frontends/tdhd1.h b/drivers/media/dvb/frontends/tdhd1.h new file mode 100644 index 000000000000..de8aac7d7ae0 --- /dev/null +++ b/drivers/media/dvb/frontends/tdhd1.h @@ -0,0 +1,70 @@ +/* + * tdhd1.h - ALPS TDHD1-204A tuner support + * + * Copyright (C) 2008 Oliver Endriss + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + * + * + * The project's page is at http://www.linuxtv.org + */ + +#ifndef TDHD1_H +#define TDHD1_H + +#include "tda1004x.h" + +static struct tda1004x_config alps_tdhd1_204a_config = { + .demod_address = 0x8, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_4M, + .agc_config = TDA10046_AGC_DEFAULT, + .if_freq = TDA10046_FREQ_3617, +}; + +static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct i2c_adapter *i2c = fe->tuner_priv; + u8 data[4]; + struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; + u32 div; + + div = (params->frequency + 36166666) / 166666; + + data[0] = (div >> 8) & 0x7f; + data[1] = div & 0xff; + data[2] = 0x85; + + if (params->frequency >= 174000000 && params->frequency <= 230000000) + data[3] = 0x02; + else if (params->frequency >= 470000000 && params->frequency <= 823000000) + data[3] = 0x0C; + else if (params->frequency > 823000000 && params->frequency <= 862000000) + data[3] = 0x8C; + else + return -EINVAL; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(i2c, &msg, 1) != 1) + return -EIO; + + return 0; +} + +#endif /* TDHD1_H */ diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig index 41b5a988b619..867027ceab3e 100644 --- a/drivers/media/dvb/ttpci/Kconfig +++ b/drivers/media/dvb/ttpci/Kconfig @@ -86,6 +86,7 @@ config DVB_BUDGET select DVB_TDA10086 if !DVB_FE_CUSTOMISE select DVB_TDA826X if !DVB_FE_CUSTOMISE select DVB_LNBP21 if !DVB_FE_CUSTOMISE + select DVB_TDA1004X if !DVB_FE_CUSTOMISE help Support for simple SAA7146 based DVB cards (so called Budget- or Nova-PCI cards) without onboard MPEG2 decoder, and without diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index 851e523fbffc..a4664ba5aded 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -46,6 +46,7 @@ #include "lnbp21.h" #include "bsru6.h" #include "bsbe1.h" +#include "tdhd1.h" static int diseqc_method; module_param(diseqc_method, int, 0444); @@ -511,6 +512,14 @@ static void frontend_init(struct budget *budget) } break; + case 0x5f60: /* Fujitsu Siemens Activy Budget-T PCI rev AL (tda10046/ALPS TDHD1-204A) */ + budget->dvb_frontend = dvb_attach(tda10046_attach, &alps_tdhd1_204a_config, &budget->i2c_adap); + if (budget->dvb_frontend) { + budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdhd1_204a_tuner_set_params; + budget->dvb_frontend->tuner_priv = &budget->i2c_adap; + } + break; + case 0x5f61: /* Fujitsu Siemens Activy Budget-T PCI rev GR (L64781/Grundig 29504-401(tsa5060)) */ budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config_activy, &budget->i2c_adap); if (budget->dvb_frontend) { @@ -624,6 +633,7 @@ MAKE_BUDGET_INFO(ttbs1401, "TT-Budget-S-1401 PCI", BUDGET_TT); MAKE_BUDGET_INFO(fsacs0, "Fujitsu Siemens Activy Budget-S PCI (rev GR/grundig frontend)", BUDGET_FS_ACTIVY); MAKE_BUDGET_INFO(fsacs1, "Fujitsu Siemens Activy Budget-S PCI (rev AL/alps frontend)", BUDGET_FS_ACTIVY); MAKE_BUDGET_INFO(fsact, "Fujitsu Siemens Activy Budget-T PCI (rev GR/Grundig frontend)", BUDGET_FS_ACTIVY); +MAKE_BUDGET_INFO(fsact1, "Fujitsu Siemens Activy Budget-T PCI (rev AL/ALPS TDHD1-204A)", BUDGET_FS_ACTIVY); static struct pci_device_id pci_tbl[] = { MAKE_EXTENSION_PCI(ttbs, 0x13c2, 0x1003), @@ -634,6 +644,7 @@ static struct pci_device_id pci_tbl[] = { MAKE_EXTENSION_PCI(ttbs1401, 0x13c2, 0x1018), MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60), MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61), + MAKE_EXTENSION_PCI(fsact1, 0x1131, 0x5f60), MAKE_EXTENSION_PCI(fsact, 0x1131, 0x5f61), { .vendor = 0, -- GitLab From 9e615eac827094147401c44c9ff955b468d4fa79 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Wed, 3 Sep 2008 19:15:27 -0300 Subject: [PATCH 3831/6244] V4L/DVB (8889): dvb-ttpci: Support full-ts hardware modification Add support for the 'full-ts' hardware modification. On full-featured cards the data throughput is limited by the hardware design. The full-ts mod removes this bottleneck, i.e. the card is able to deliver the complete transport stream of a transponder. For details see http://www.escape-edv.de/endriss/dvb-full-ts-mod Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/av7110.c | 113 ++++++++++++++++++++++------ drivers/media/dvb/ttpci/av7110.h | 1 + drivers/media/dvb/ttpci/av7110_av.c | 3 + 3 files changed, 92 insertions(+), 25 deletions(-) diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c index 3b641804f6cb..404108f09d77 100644 --- a/drivers/media/dvb/ttpci/av7110.c +++ b/drivers/media/dvb/ttpci/av7110.c @@ -88,6 +88,7 @@ static int budgetpatch; static int wss_cfg_4_3 = 0x4008; static int wss_cfg_16_9 = 0x0007; static int tv_standard; +static int full_ts; module_param_named(debug, av7110_debug, int, 0644); MODULE_PARM_DESC(debug, "debug level (bitmask, default 0)"); @@ -106,6 +107,8 @@ module_param(volume, int, 0444); MODULE_PARM_DESC(volume, "initial volume: default 255 (range 0-255)"); module_param(budgetpatch, int, 0444); MODULE_PARM_DESC(budgetpatch, "use budget-patch hardware modification: default 0 (0 no, 1 autodetect, 2 always)"); +module_param(full_ts, int, 0444); +MODULE_PARM_DESC(full_ts, "enable code for full-ts hardware modification: 0 disable (default), 1 enable"); module_param(wss_cfg_4_3, int, 0444); MODULE_PARM_DESC(wss_cfg_4_3, "WSS 4:3 - default 0x4008 - bit 15: disable, 14: burst mode, 13..0: wss data"); module_param(wss_cfg_16_9, int, 0444); @@ -116,6 +119,8 @@ MODULE_PARM_DESC(tv_standard, "TV standard: 0 PAL (default), 1 NTSC"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static void restart_feeds(struct av7110 *av7110); +static int budget_start_feed(struct dvb_demux_feed *feed); +static int budget_stop_feed(struct dvb_demux_feed *feed); static int av7110_num; @@ -806,6 +811,9 @@ static int StartHWFilter(struct dvb_demux_filter *dvbdmxfilter) dprintk(4, "%p\n", av7110); + if (av7110->full_ts) + return 0; + if (dvbdmxfilter->type == DMX_TYPE_SEC) { if (hw_sections) { buf[4] = (dvbdmxfilter->filter.filter_value[0] << 8) | @@ -854,6 +862,9 @@ static int StopHWFilter(struct dvb_demux_filter *dvbdmxfilter) dprintk(4, "%p\n", av7110); + if (av7110->full_ts) + return 0; + handle = dvbdmxfilter->hw_handle; if (handle >= 32) { printk("%s tried to stop invalid filter %04x, filter type = %x\n", @@ -913,7 +924,7 @@ static int dvb_feed_start_pid(struct dvb_demux_feed *dvbdmxfeed) return ret; } - if ((dvbdmxfeed->ts_type & TS_PACKET)) { + if ((dvbdmxfeed->ts_type & TS_PACKET) && !av7110->full_ts) { if (dvbdmxfeed->pes_type == 0 && !(dvbdmx->pids[0] & 0x8000)) ret = av7110_av_start_record(av7110, RP_AUDIO, dvbdmxfeed); if (dvbdmxfeed->pes_type == 1 && !(dvbdmx->pids[1] & 0x8000)) @@ -974,7 +985,7 @@ static int av7110_start_feed(struct dvb_demux_feed *feed) if (!demux->dmx.frontend) return -EINVAL; - if (feed->pid > 0x1fff) + if (!av7110->full_ts && feed->pid > 0x1fff) return -EINVAL; if (feed->type == DMX_TYPE_TS) { @@ -1003,7 +1014,12 @@ static int av7110_start_feed(struct dvb_demux_feed *feed) } } - else if (feed->type == DMX_TYPE_SEC) { + if (av7110->full_ts) { + budget_start_feed(feed); + return ret; + } + + if (feed->type == DMX_TYPE_SEC) { int i; for (i = 0; i < demux->filternum; i++) { @@ -1050,7 +1066,12 @@ static int av7110_stop_feed(struct dvb_demux_feed *feed) ret = StopHWFilter(feed->filter); } - if (!ret && feed->type == DMX_TYPE_SEC) { + if (av7110->full_ts) { + budget_stop_feed(feed); + return ret; + } + + if (feed->type == DMX_TYPE_SEC) { for (i = 0; ifilternum; i++) { if (demux->filter[i].state == DMX_STATE_GO && demux->filter[i].filter.parent == &feed->feed.sec) { @@ -1074,6 +1095,7 @@ static void restart_feeds(struct av7110 *av7110) struct dvb_demux *dvbdmx = &av7110->demux; struct dvb_demux_feed *feed; int mode; + int feeding; int i, j; dprintk(4, "%p\n", av7110); @@ -1082,6 +1104,8 @@ static void restart_feeds(struct av7110 *av7110) av7110->playing = 0; av7110->rec_mode = 0; + feeding = av7110->feeding1; /* full_ts mod */ + for (i = 0; i < dvbdmx->feednum; i++) { feed = &dvbdmx->feed[i]; if (feed->state == DMX_STATE_GO) { @@ -1099,6 +1123,8 @@ static void restart_feeds(struct av7110 *av7110) } } + av7110->feeding1 = feeding; /* full_ts mod */ + if (mode) av7110_av_start_play(av7110, mode); } @@ -1197,8 +1223,9 @@ static int start_ts_capture(struct av7110 *budget) if (budget->feeding1) return ++budget->feeding1; - memset(budget->grabbing, 0x00, TS_HEIGHT * TS_WIDTH); + memset(budget->grabbing, 0x00, TS_BUFLEN); budget->ttbp = 0; + SAA7146_ISR_CLEAR(budget->dev, MASK_10); /* VPE */ SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */ saa7146_write(budget->dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */ return ++budget->feeding1; @@ -1239,12 +1266,8 @@ static void vpeirq(unsigned long data) u8 *mem = (u8 *) (budget->grabbing); u32 olddma = budget->ttbp; u32 newdma = saa7146_read(budget->dev, PCI_VDP3); + struct dvb_demux *demux = budget->full_ts ? &budget->demux : &budget->demux1; - if (!budgetpatch) { - printk("av7110.c: vpeirq() called while budgetpatch disabled!" - " check saa7146 IER register\n"); - BUG(); - } /* nearest lower position divisible by 188 */ newdma -= newdma % 188; @@ -1268,11 +1291,11 @@ static void vpeirq(unsigned long data) if (newdma > olddma) /* no wraparound, dump olddma..newdma */ - dvb_dmx_swfilter_packets(&budget->demux1, mem + olddma, (newdma - olddma) / 188); + dvb_dmx_swfilter_packets(demux, mem + olddma, (newdma - olddma) / 188); else { /* wraparound, dump olddma..buflen and 0..newdma */ - dvb_dmx_swfilter_packets(&budget->demux1, mem + olddma, (TS_BUFLEN - olddma) / 188); - dvb_dmx_swfilter_packets(&budget->demux1, mem, newdma / 188); + dvb_dmx_swfilter_packets(demux, mem + olddma, (TS_BUFLEN - olddma) / 188); + dvb_dmx_swfilter_packets(demux, mem, newdma / 188); } } @@ -1294,8 +1317,8 @@ static int av7110_register(struct av7110 *av7110) for (i = 0; i < 32; i++) av7110->handle2filter[i] = NULL; - dvbdemux->filternum = 32; - dvbdemux->feednum = 32; + dvbdemux->filternum = (av7110->full_ts) ? 256 : 32; + dvbdemux->feednum = (av7110->full_ts) ? 256 : 32; dvbdemux->start_feed = av7110_start_feed; dvbdemux->stop_feed = av7110_stop_feed; dvbdemux->write_to_decoder = av7110_write_to_decoder; @@ -1305,7 +1328,7 @@ static int av7110_register(struct av7110 *av7110) dvb_dmx_init(&av7110->demux); av7110->demux.dmx.get_stc = dvb_get_stc; - av7110->dmxdev.filternum = 32; + av7110->dmxdev.filternum = (av7110->full_ts) ? 256 : 32; av7110->dmxdev.demux = &dvbdemux->dmx; av7110->dmxdev.capabilities = 0; @@ -1422,7 +1445,6 @@ int i2c_writereg(struct av7110 *av7110, u8 id, u8 reg, u8 val) return i2c_transfer(&av7110->i2c_adap, &msgs, 1); } -#if 0 u8 i2c_readreg(struct av7110 *av7110, u8 id, u8 reg) { u8 mm1[] = {0x00}; @@ -1439,7 +1461,6 @@ u8 i2c_readreg(struct av7110 *av7110, u8 id, u8 reg) return mm2[0]; } -#endif /**************************************************************************** * INITIALIZATION @@ -2484,7 +2505,47 @@ static int __devinit av7110_attach(struct saa7146_dev* dev, av7110->dvb_adapter.proposed_mac); ret = -ENOMEM; - if (budgetpatch) { + /* full-ts mod? */ + if (full_ts) + av7110->full_ts = true; + + /* check for full-ts flag in eeprom */ + if (i2c_readreg(av7110, 0xaa, 0) == 0x4f && i2c_readreg(av7110, 0xaa, 1) == 0x45) { + u8 flags = i2c_readreg(av7110, 0xaa, 2); + if (flags != 0xff && (flags & 0x01)) + av7110->full_ts = true; + } + + if (av7110->full_ts) { + printk(KERN_INFO "dvb-ttpci: full-ts mode enabled for saa7146 port B\n"); + spin_lock_init(&av7110->feedlock1); + av7110->grabbing = saa7146_vmalloc_build_pgtable(pdev, length, + &av7110->pt); + if (!av7110->grabbing) + goto err_i2c_del_3; + + saa7146_write(dev, DD1_STREAM_B, 0x00000000); + saa7146_write(dev, MC2, (MASK_10 | MASK_26)); + + saa7146_write(dev, DD1_INIT, 0x00000600); + saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); + + saa7146_write(dev, BRS_CTRL, 0x60000000); + saa7146_write(dev, MC2, MASK_08 | MASK_24); + + /* dma3 */ + saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000)); + saa7146_write(dev, BASE_ODD3, 0); + saa7146_write(dev, BASE_EVEN3, 0); + saa7146_write(dev, PROT_ADDR3, TS_WIDTH * TS_HEIGHT); + saa7146_write(dev, PITCH3, TS_WIDTH); + saa7146_write(dev, BASE_PAGE3, av7110->pt.dma | ME1 | 0x90); + saa7146_write(dev, NUM_LINE_BYTE3, (TS_HEIGHT << 16) | TS_WIDTH); + saa7146_write(dev, MC2, MASK_04 | MASK_20); + + tasklet_init(&av7110->vpe_tasklet, vpeirq, (unsigned long) av7110); + + } else if (budgetpatch) { spin_lock_init(&av7110->feedlock1); av7110->grabbing = saa7146_vmalloc_build_pgtable(pdev, length, &av7110->pt); @@ -2710,11 +2771,13 @@ static int __devexit av7110_detach(struct saa7146_dev* saa) #if defined(CONFIG_INPUT_EVDEV) || defined(CONFIG_INPUT_EVDEV_MODULE) av7110_ir_exit(av7110); #endif - if (budgetpatch) { - /* Disable RPS1 */ - saa7146_write(saa, MC1, MASK_29); - /* VSYNC LOW (inactive) */ - saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); + if (budgetpatch || av7110->full_ts) { + if (budgetpatch) { + /* Disable RPS1 */ + saa7146_write(saa, MC1, MASK_29); + /* VSYNC LOW (inactive) */ + saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO); + } saa7146_write(saa, MC1, MASK_20); /* DMA3 off */ SAA7146_IER_DISABLE(saa, MASK_10); SAA7146_ISR_CLEAR(saa, MASK_10); @@ -2794,7 +2857,7 @@ static void av7110_irq(struct saa7146_dev* dev, u32 *isr) tasklet_schedule(&av7110->gpio_tasklet); } - if ((*isr & MASK_10) && budgetpatch) + if (*isr & MASK_10) tasklet_schedule(&av7110->vpe_tasklet); } diff --git a/drivers/media/dvb/ttpci/av7110.h b/drivers/media/dvb/ttpci/av7110.h index 55f23ddcb994..d85b8512ac30 100644 --- a/drivers/media/dvb/ttpci/av7110.h +++ b/drivers/media/dvb/ttpci/av7110.h @@ -192,6 +192,7 @@ struct av7110 { unsigned char *grabbing; struct saa7146_pgtable pt; struct tasklet_struct vpe_tasklet; + bool full_ts; int fe_synced; struct mutex pid_mutex; diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c index 184647ad1c7c..bdc62acf2099 100644 --- a/drivers/media/dvb/ttpci/av7110_av.c +++ b/drivers/media/dvb/ttpci/av7110_av.c @@ -788,6 +788,9 @@ int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t l dprintk(2, "av7110:%p, \n", av7110); + if (av7110->full_ts && demux->dmx.frontend->source != DMX_MEMORY_FE) + return 0; + switch (feed->pes_type) { case 0: if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY) -- GitLab From 83512e207479d0bdb83ee1e000a306af9e6e870e Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Thu, 4 Sep 2008 20:35:19 -0300 Subject: [PATCH 3832/6244] V4L/DVB (8890): budget: Add callback to load firmware for the TDHD1 tuner Supply callback to load firmware for the TDHD1 tuner (using request_firmware). Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tdhd1.h | 3 +++ drivers/media/dvb/ttpci/budget.c | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/media/dvb/frontends/tdhd1.h b/drivers/media/dvb/frontends/tdhd1.h index de8aac7d7ae0..51f170678650 100644 --- a/drivers/media/dvb/frontends/tdhd1.h +++ b/drivers/media/dvb/frontends/tdhd1.h @@ -28,6 +28,8 @@ #include "tda1004x.h" +static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name); + static struct tda1004x_config alps_tdhd1_204a_config = { .demod_address = 0x8, .invert = 1, @@ -35,6 +37,7 @@ static struct tda1004x_config alps_tdhd1_204a_config = { .xtal_freq = TDA10046_XTAL_4M, .agc_config = TDA10046_AGC_DEFAULT, .if_freq = TDA10046_FREQ_3617, + .request_firmware = alps_tdhd1_204_request_firmware }; static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index a4664ba5aded..d95203d55403 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -391,6 +391,13 @@ static struct stv0299_config alps_bsbe1_config_activy = { .set_symbol_rate = alps_bsbe1_set_symbol_rate, }; +static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name) +{ + struct budget *budget = (struct budget *)fe->dvb->priv; + + return request_firmware(fw, name, &budget->dev->pci->dev); +} + static int i2c_readreg(struct i2c_adapter *i2c, u8 adr, u8 reg) { -- GitLab From 5f33df1443cd53283279d017b45ed1b1bc66f622 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sat, 30 Aug 2008 15:09:31 -0300 Subject: [PATCH 3833/6244] V4L/DVB (8893): pvrusb2: Add comment elaborating on direct use of swab32() Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 7fa903ad26bb..c8dedbab6e39 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1313,6 +1313,17 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) if (bcnt > FIRMWARE_CHUNK_SIZE) bcnt = FIRMWARE_CHUNK_SIZE; memcpy(fw_ptr, fw_entry->data + fw_done, bcnt); /* Usbsnoop log shows that we must swap bytes... */ + /* Some background info: The data being swapped here is a + firmware image destined for the mpeg encoder chip that + lives at the other end of a USB endpoint. The encoder + chip always talks in 32 bit chunks and its storage is + organized into 32 bit words. However from the file + system to the encoder chip everything is purely a byte + stream. The firmware file's contents are always 32 bit + swapped from what the encoder expects. Thus the need + always exists to swap the bytes regardless of the endian + type of the host processor and therefore swab32() makes + the most sense. */ for (icnt = 0; icnt < bcnt/4 ; icnt++) ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]); -- GitLab From 157afbc0de7d99cde39a5525b4c43acd4e02ef82 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sat, 30 Aug 2008 15:11:16 -0300 Subject: [PATCH 3834/6244] V4L/DVB (8894): pvrusb2: Remove BKL The earlier change from Hans Verkuil that pushed the BKL from video_open() down into the drivers should be unneeded for the pvrusb2 driver. This driver's implementation for open already protects its internal structures through other means, thus the BKL is not required. This change reverses Hans' previous change, for the pvrusb2 driver. It probably would have been a good idea for Hans to previously have asked for my ack before committing his change. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index 26ffaa276c51..00306faeac01 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -932,7 +932,6 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) unsigned int input_cnt,idx; int ret = 0; - lock_kernel(); dip = container_of(video_devdata(file),struct pvr2_v4l2_dev,devbase); vp = dip->v4lp; @@ -943,13 +942,11 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) if (!pvr2_hdw_dev_ok(hdw)) { pvr2_trace(PVR2_TRACE_OPEN_CLOSE, "pvr2_v4l2_open: hardware not ready"); - unlock_kernel(); return -EIO; } fhp = kzalloc(sizeof(*fhp),GFP_KERNEL); if (!fhp) { - unlock_kernel(); return -ENOMEM; } @@ -979,7 +976,6 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) fhp); kfree(fhp); - unlock_kernel(); return ret; } @@ -996,7 +992,6 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) "Destroying pvr_v4l2_fh id=%p (input map failure)", fhp); kfree(fhp); - unlock_kernel(); return -ENOMEM; } input_cnt = 0; @@ -1020,7 +1015,6 @@ static int pvr2_v4l2_open(struct inode *inode, struct file *file) v4l2_prio_open(&vp->prio,&fhp->prio); fhp->fw_mode_flag = pvr2_hdw_cpufw_get_enabled(hdw); - unlock_kernel(); return 0; } -- GitLab From fe15f13679bf52bb5c8acb8b4847e6d73ba62c17 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sat, 30 Aug 2008 18:11:40 -0300 Subject: [PATCH 3835/6244] V4L/DVB (8895): pvrusb2: Fail gracefully if an alien USB ID is used The driver includes an internal table specifying additional information on a per device-type basis. This works great until somebody tries to run-time associate another USB ID with the driver. This change should hopefully allow the driver to fail gracefully under such a circumstance. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index c8dedbab6e39..a7d636f3f9b6 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1915,7 +1915,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, const struct usb_device_id *devid) { unsigned int idx,cnt1,cnt2,m; - struct pvr2_hdw *hdw; + struct pvr2_hdw *hdw = NULL; int valid_std_mask; struct pvr2_ctrl *cptr; const struct pvr2_device_desc *hdw_desc; @@ -1925,6 +1925,16 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info); + if (hdw_desc == NULL) { + pvr2_trace(PVR2_TRACE_INIT, "pvr2_hdw_create:" + " No device description pointer," + " unable to continue."); + pvr2_trace(PVR2_TRACE_INIT, "If you have a new device type," + " please contact Mike Isely " + " to get it included in the driver\n"); + goto fail; + } + hdw = kzalloc(sizeof(*hdw),GFP_KERNEL); pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_create: hdw=%p, type \"%s\"", hdw,hdw_desc->description); -- GitLab From e784bfb93c155ba4b354452c69ac02a29d336d97 Mon Sep 17 00:00:00 2001 From: "vdb128@picaros.org" Date: Sat, 30 Aug 2008 18:26:39 -0300 Subject: [PATCH 3836/6244] V4L/DVB (8896): pvrusb2: Implement crop support Implement pvrusb2 driver plumbing to support cropping. Submitted by a pvrusb2 user. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- .../video/pvrusb2/pvrusb2-hdw-internal.h | 5 + drivers/media/video/pvrusb2/pvrusb2-hdw.c | 119 ++++++++++++++++++ drivers/media/video/pvrusb2/pvrusb2-hdw.h | 4 + .../video/pvrusb2/pvrusb2-i2c-chips-v4l2.c | 7 +- .../video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c | 49 ++++++++ .../video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h | 1 + 6 files changed, 183 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 657f861593b3..0453244b7fa2 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -319,6 +319,7 @@ struct pvr2_hdw { struct pvr2_ctl_info std_info_cur; struct v4l2_standard *std_defs; const char **std_enum_names; + struct v4l2_cropcap cropcap; // Generated string names, one per actual V4L2 standard const char *std_mask_ptrs[32]; @@ -367,6 +368,10 @@ struct pvr2_hdw { VCREATE_DATA(bass); VCREATE_DATA(treble); VCREATE_DATA(mute); + VCREATE_DATA(cropl); + VCREATE_DATA(cropt); + VCREATE_DATA(cropw); + VCREATE_DATA(croph); VCREATE_DATA(input); VCREATE_DATA(audiomode); VCREATE_DATA(res_hor); diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index a7d636f3f9b6..68f4315201a5 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -402,6 +402,52 @@ static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v) return 0; } +static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.width > 0) { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = cap->bounds.left - cap->defrect.left; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = -119; + } + return 0; +} + +static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.width > 0) { + *left = cap->bounds.left + cap->bounds.width + - cap->defrect.left; + *left += 3; + *left -= cptr->hdw->cropw_val; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *left = 340; + } + return 0; +} + +static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.height > 0) { + /* This statement is present purely to shut up + checkpatch.pl */ + *top = cap->bounds.top - cap->defrect.top; + } else { + /* This statement is present purely to shut up + checkpatch.pl */ + *top = -19; + } + return 0; +} + static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) { /* Actual maximum depends on the video standard in effect. */ @@ -413,6 +459,19 @@ static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) return 0; } +static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap; + if (cap->bounds.height > 0) { + *top = cap->bounds.top + cap->bounds.height - cap->defrect.top; + *top -= cptr->hdw->croph_val; + } else { + ctrl_vres_max_get(cptr, top); + *top -= 32; + } + return 0; +} + static int ctrl_vres_min_get(struct pvr2_ctrl *cptr,int *vp) { /* Actual minimum depends on device digitizer type. */ @@ -779,6 +838,10 @@ VCREATE_FUNCS(balance) VCREATE_FUNCS(bass) VCREATE_FUNCS(treble) VCREATE_FUNCS(mute) +VCREATE_FUNCS(cropl) +VCREATE_FUNCS(cropt) +VCREATE_FUNCS(cropw) +VCREATE_FUNCS(croph) VCREATE_FUNCS(audiomode) VCREATE_FUNCS(res_hor) VCREATE_FUNCS(res_ver) @@ -849,6 +912,39 @@ static const struct pvr2_ctl_info control_defs[] = { .default_value = 0, DEFREF(mute), DEFBOOL, + }, { + .desc = "Capture left margin", + .name = "crop_left", + .internal_id = PVR2_CID_CROPL, + .default_value = 0, + DEFREF(cropl), + DEFINT(-129, 340), + .get_min_value = ctrl_cropl_min_get, + .get_max_value = ctrl_cropl_max_get, + }, { + .desc = "Capture top margin", + .name = "crop_top", + .internal_id = PVR2_CID_CROPT, + .default_value = 0, + DEFREF(cropt), + DEFINT(-35, 544), + .get_min_value = ctrl_cropt_min_get, + .get_max_value = ctrl_cropt_max_get, + }, { + .desc = "Capture width", + .name = "crop_width", + .internal_id = PVR2_CID_CROPW, + .default_value = 720, + DEFREF(cropw), + DEFINT(388, 849), /* determined empirically, any res_hor>=64 */ + }, { + .desc = "Capture height", + .name = "crop_height", + .internal_id = PVR2_CID_CROPH, + .default_value = 480, + DEFREF(croph), + DEFINT(32, 576), + .get_max_value = ctrl_vres_max_get, },{ .desc = "Video Source", .name = "input", @@ -2092,6 +2188,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, valid_std_mask; } + memset(&hdw->cropcap, 0, sizeof hdw->cropcap); hdw->eeprom_addr = -1; hdw->unit_number = -1; hdw->v4l_minor_number_video = -1; @@ -2528,6 +2625,28 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) /* Can't commit anything until pathway is ok. */ return 0; } + /* The broadcast decoder can only scale down, so if + * res_*_dirty && crop window < output format ==> enlarge crop. + * + * The mpeg encoder receives fields of res_hor_val dots and + * res_ver_val halflines. Limits: hor<=720, ver<=576. + */ + if (hdw->res_hor_dirty && hdw->cropw_val < hdw->res_hor_val) { + hdw->cropw_val = hdw->res_hor_val; + hdw->cropw_dirty = !0; + } else if (hdw->cropw_dirty) { + hdw->res_hor_dirty = !0; /* must rescale */ + hdw->res_hor_val = min(720, hdw->cropw_val); + } + if (hdw->res_ver_dirty && hdw->croph_val < hdw->res_ver_val) { + hdw->croph_val = hdw->res_ver_val; + hdw->croph_dirty = !0; + } else if (hdw->croph_dirty) { + int nvres = hdw->std_mask_cur & V4L2_STD_525_60 ? 480 : 576; + hdw->res_ver_dirty = !0; + hdw->res_ver_val = min(nvres, hdw->croph_val); + } + /* If any of the below has changed, then we can't do the update while the pipeline is running. Pipeline must be paused first and decoder -> encoder connection be made quiescent before we diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h index c04956d304a7..b4dcda8af64a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h @@ -36,6 +36,10 @@ #define PVR2_CID_FREQUENCY 6 #define PVR2_CID_HRES 7 #define PVR2_CID_VRES 8 +#define PVR2_CID_CROPL 9 +#define PVR2_CID_CROPT 10 +#define PVR2_CID_CROPW 11 +#define PVR2_CID_CROPH 12 /* Legal values for the INPUT state variable */ #define PVR2_CVAL_INPUT_TV 0 diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c index ccdb429fc7af..94a47718e88e 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c @@ -37,8 +37,9 @@ #define OP_VOLUME 3 #define OP_FREQ 4 #define OP_AUDIORATE 5 -#define OP_SIZE 6 -#define OP_LOG 7 +#define OP_CROP 6 +#define OP_SIZE 7 +#define OP_LOG 8 static const struct pvr2_i2c_op * const ops[] = { [OP_STANDARD] = &pvr2_i2c_op_v4l2_standard, @@ -46,6 +47,7 @@ static const struct pvr2_i2c_op * const ops[] = { [OP_BCSH] = &pvr2_i2c_op_v4l2_bcsh, [OP_VOLUME] = &pvr2_i2c_op_v4l2_volume, [OP_FREQ] = &pvr2_i2c_op_v4l2_frequency, + [OP_CROP] = &pvr2_i2c_op_v4l2_crop, [OP_SIZE] = &pvr2_i2c_op_v4l2_size, [OP_LOG] = &pvr2_i2c_op_v4l2_log, }; @@ -59,6 +61,7 @@ void pvr2_i2c_probe(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp) (1 << OP_BCSH) | (1 << OP_VOLUME) | (1 << OP_FREQ) | + (1 << OP_CROP) | (1 << OP_SIZE) | (1 << OP_LOG)); cp->status_poll = pvr2_v4l2_cmd_status_poll; diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c index 55f04a0b2047..440857902c92 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c @@ -233,6 +233,55 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = { }; +static void set_crop(struct pvr2_hdw *hdw) +{ + struct v4l2_cropcap cap; + struct v4l2_crop crop; + int stat; + + memset(&cap, 0, sizeof cap); + cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + stat = pvr2_i2c_core_cmd(hdw, VIDIOC_CROPCAP, &cap); + hdw->cropcap = cap; + + memset(&crop, 0, sizeof crop); + crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + crop.c = cap.defrect; + crop.c.left += hdw->cropl_val; + crop.c.top += hdw->cropt_val; + crop.c.height = hdw->croph_val; + crop.c.width = hdw->cropw_val; + + pvr2_trace(PVR2_TRACE_CHIPS, + "i2c v4l2 set_crop stat=%d cap=%d:%d:%d:%d" + " crop=%d:%d:%d:%d", stat, cap.bounds.width, + cap.bounds.height, cap.bounds.left, cap.bounds.top, + crop.c.width, crop.c.height, crop.c.left, crop.c.top); + + if (stat >= 0) { + /* This comment is present purely to keep + checkpatch.pl quiet */ + pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop); + } +} + +static int check_crop(struct pvr2_hdw *hdw) +{ + /* The "0 +" stupidity is present only to get checkpatch.pl to + shut up. I _want_ those parantheses present so that the + two lines automatically line up in my editor. I despise + checkpatch.pl. */ + return 0 + (hdw->cropl_dirty || hdw->cropt_dirty || + hdw->cropw_dirty || hdw->croph_dirty); +} + +const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = { + .check = check_crop, + .update = set_crop, + .name = "v4l2_crop", +}; + + static void do_log(struct pvr2_hdw *hdw) { pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()"); diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h index 7fa38683b3b1..eb744a20610d 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h @@ -29,6 +29,7 @@ extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_radio; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency; +extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log; -- GitLab From 755879c66bb820ec27e2e02b22b13d3896583efe Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sun, 31 Aug 2008 20:50:59 -0300 Subject: [PATCH 3837/6244] V4L/DVB (8897): pvrusb2: Mark crop window size change as being disruptive to the encoder Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 68f4315201a5..e29a39ffdcca 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -2657,6 +2657,8 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) hdw->srate_dirty || hdw->res_ver_dirty || hdw->res_hor_dirty || + hdw->cropw_dirty || + hdw->croph_dirty || hdw->input_dirty || (hdw->active_stream_type != hdw->desired_stream_type)); if (disruptive_change && !hdw->state_pipeline_idle) { -- GitLab From 26dd1c57a05f5c6d339d55d5317d47576fd2fbc5 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sun, 31 Aug 2008 20:55:03 -0300 Subject: [PATCH 3838/6244] V4L/DVB (8898): pvrusb2: Be able to programmatically retrieve a control's default value The pvrusb2 control mechanism up until now has used a constant int to hold a control's default value. This change makes it possible to retrieve the control's default through some other means, e.g. as a result of a query from lower level software. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-ctrl.c | 10 ++++++++-- drivers/media/video/pvrusb2/pvrusb2-ctrl.h | 2 +- drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h | 1 + drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 8 +++++--- 4 files changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c index 0764fbfffb73..2741c7b0b537 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c +++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c @@ -134,13 +134,19 @@ int pvr2_ctrl_get_min(struct pvr2_ctrl *cptr) /* Retrieve control's default value (any type) */ -int pvr2_ctrl_get_def(struct pvr2_ctrl *cptr) +int pvr2_ctrl_get_def(struct pvr2_ctrl *cptr, int *valptr) { int ret = 0; if (!cptr) return 0; LOCK_TAKE(cptr->hdw->big_lock); do { if (cptr->info->type == pvr2_ctl_int) { - ret = cptr->info->default_value; + if (cptr->info->get_def_value) { + /* Comment to keep checkpatch.pl quiet */ + ret = cptr->info->get_def_value(cptr, valptr); + } else { + /* Comment to keep checkpatch.pl quiet */ + *valptr = cptr->info->default_value; + } } } while(0); LOCK_GIVE(cptr->hdw->big_lock); return ret; diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.h b/drivers/media/video/pvrusb2/pvrusb2-ctrl.h index 0371ae6e6e4e..794ff90121c7 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.h +++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.h @@ -49,7 +49,7 @@ int pvr2_ctrl_get_max(struct pvr2_ctrl *); int pvr2_ctrl_get_min(struct pvr2_ctrl *); /* Retrieve control's default value (any type) */ -int pvr2_ctrl_get_def(struct pvr2_ctrl *); +int pvr2_ctrl_get_def(struct pvr2_ctrl *, int *valptr); /* Retrieve control's enumeration count (enum only) */ int pvr2_ctrl_get_cnt(struct pvr2_ctrl *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 0453244b7fa2..8bc9669733df 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -82,6 +82,7 @@ struct pvr2_ctl_info { /* Control's implementation */ pvr2_ctlf_get_value get_value; /* Get its value */ + pvr2_ctlf_get_value get_def_value; /* Get its default value */ pvr2_ctlf_get_value get_min_value; /* Get minimum allowed value */ pvr2_ctlf_get_value get_max_value; /* Get maximum allowed value */ pvr2_ctlf_set_value set_value; /* Set its value */ diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index 00306faeac01..c53037a25570 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -533,7 +533,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file, lmin = pvr2_ctrl_get_min(hcp); lmax = pvr2_ctrl_get_max(hcp); - ldef = pvr2_ctrl_get_def(hcp); + pvr2_ctrl_get_def(hcp, &ldef); if (w == -1) { w = ldef; } else if (w < lmin) { @@ -543,7 +543,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file, } lmin = pvr2_ctrl_get_min(vcp); lmax = pvr2_ctrl_get_max(vcp); - ldef = pvr2_ctrl_get_def(vcp); + pvr2_ctrl_get_def(vcp, &ldef); if (h == -1) { h = ldef; } else if (h < lmin) { @@ -604,6 +604,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file, case VIDIOC_QUERYCTRL: { struct pvr2_ctrl *cptr; + int val; struct v4l2_queryctrl *vc = (struct v4l2_queryctrl *)arg; ret = 0; if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) { @@ -627,7 +628,8 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file, pvr2_ctrl_get_desc(cptr)); strlcpy(vc->name,pvr2_ctrl_get_desc(cptr),sizeof(vc->name)); vc->flags = pvr2_ctrl_get_v4lflags(cptr); - vc->default_value = pvr2_ctrl_get_def(cptr); + pvr2_ctrl_get_def(cptr, &val); + vc->default_value = val; switch (pvr2_ctrl_get_type(cptr)) { case pvr2_ctl_enum: vc->type = V4L2_CTRL_TYPE_MENU; -- GitLab From 0b7c2c9598e7447ad6a9d157491e6c5459ae56de Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sun, 31 Aug 2008 20:57:54 -0300 Subject: [PATCH 3839/6244] V4L/DVB (8899): pvrusb2: Implement default value retrieval in sysfs interface Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-sysfs.c | 24 +++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c index 46a8c39ba030..ac01b11f7b99 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c +++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c @@ -65,6 +65,7 @@ struct pvr2_sysfs_ctl_item { struct device_attribute attr_type; struct device_attribute attr_min; struct device_attribute attr_max; + struct device_attribute attr_def; struct device_attribute attr_enum; struct device_attribute attr_bits; struct device_attribute attr_val; @@ -145,6 +146,24 @@ static ssize_t show_max(struct device *class_dev, return scnprintf(buf, PAGE_SIZE, "%ld\n", val); } +static ssize_t show_def(struct device *class_dev, + struct device_attribute *attr, + char *buf) +{ + struct pvr2_sysfs_ctl_item *cip; + int val; + int ret; + cip = container_of(attr, struct pvr2_sysfs_ctl_item, attr_def); + ret = pvr2_ctrl_get_def(cip->cptr, &val); + pvr2_sysfs_trace("pvr2_sysfs(%p) show_def(cid=%d) is %d, stat=%d", + cip->chptr, cip->ctl_id, val, ret); + if (ret < 0) { + /* Keep checkpatch.pl quiet */ + return ret; + } + return scnprintf(buf, PAGE_SIZE, "%d\n", val); +} + static ssize_t show_val_norm(struct device *class_dev, struct device_attribute *attr, char *buf) @@ -320,6 +339,10 @@ static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id) cip->attr_max.attr.mode = S_IRUGO; cip->attr_max.show = show_max; + cip->attr_def.attr.name = "def_val"; + cip->attr_def.attr.mode = S_IRUGO; + cip->attr_def.show = show_def; + cip->attr_val.attr.name = "cur_val"; cip->attr_val.attr.mode = S_IRUGO; @@ -343,6 +366,7 @@ static void pvr2_sysfs_add_control(struct pvr2_sysfs *sfp,int ctl_id) cip->attr_gen[acnt++] = &cip->attr_name.attr; cip->attr_gen[acnt++] = &cip->attr_type.attr; cip->attr_gen[acnt++] = &cip->attr_val.attr; + cip->attr_gen[acnt++] = &cip->attr_def.attr; cip->attr_val.show = show_val_norm; cip->attr_val.store = store_val_norm; if (pvr2_ctrl_has_custom_symbols(cptr)) { -- GitLab From 432907f750b27aa2b41e1bf398e6eb711ead448f Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sun, 31 Aug 2008 21:02:20 -0300 Subject: [PATCH 3840/6244] V4L/DVB (8900): pvrusb2: Implement cropping pass through This builds upon the previous pvrusb2 change to more formally implement full cropping support. This enables access from the driver's V4L interface, and enables access to full capabilities from sysfs as well. Note that this is only effective when in analog mode. It also will only work when the underlying digitizer's driver (saa7115 or cx25840 depending on the hardware) also implements the appropriate functions. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- .../video/pvrusb2/pvrusb2-hdw-internal.h | 5 +- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 311 +++++++++++++++--- drivers/media/video/pvrusb2/pvrusb2-hdw.h | 9 + .../video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c | 37 +-- .../media/video/pvrusb2/pvrusb2-i2c-core.c | 2 + drivers/media/video/pvrusb2/pvrusb2-v4l2.c | 86 +++++ 6 files changed, 383 insertions(+), 67 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h index 8bc9669733df..de7ee7264be6 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw-internal.h @@ -308,6 +308,10 @@ struct pvr2_hdw { struct v4l2_tuner tuner_signal_info; int tuner_signal_stale; + /* Cropping capability info */ + struct v4l2_cropcap cropcap_info; + int cropcap_stale; + /* Video standard handling */ v4l2_std_id std_mask_eeprom; // Hardware supported selections v4l2_std_id std_mask_avail; // Which standards we may select from @@ -320,7 +324,6 @@ struct pvr2_hdw { struct pvr2_ctl_info std_info_cur; struct v4l2_standard *std_defs; const char **std_enum_names; - struct v4l2_cropcap cropcap; // Generated string names, one per actual V4L2 standard const char *std_mask_ptrs[32]; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index e29a39ffdcca..9bb59b2de917 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -298,6 +298,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, unsigned int timeout,int probe_fl, void *write_data,unsigned int write_len, void *read_data,unsigned int read_len); +static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw); static void trace_stbit(const char *name,int val) @@ -404,70 +405,220 @@ static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v) static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.width > 0) { - /* This statement is present purely to shut up - checkpatch.pl */ - *left = cap->bounds.left - cap->defrect.left; - } else { - /* This statement is present purely to shut up - checkpatch.pl */ - *left = -119; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; } + *left = cap->bounds.left; return 0; } static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.width > 0) { - *left = cap->bounds.left + cap->bounds.width - - cap->defrect.left; - *left += 3; - *left -= cptr->hdw->cropw_val; - } else { + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *left = cap->bounds.left; + if (cap->bounds.width > cptr->hdw->cropw_val) { /* This statement is present purely to shut up checkpatch.pl */ - *left = 340; + *left += cap->bounds.width - cptr->hdw->cropw_val; } return 0; } static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.height > 0) { - /* This statement is present purely to shut up - checkpatch.pl */ - *top = cap->bounds.top - cap->defrect.top; - } else { - /* This statement is present purely to shut up - checkpatch.pl */ - *top = -19; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; } + *top = cap->bounds.top; return 0; } -static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) +static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) { - /* Actual maximum depends on the video standard in effect. */ - if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) { - *vp = 480; - } else { - *vp = 576; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *top = cap->bounds.top; + if (cap->bounds.height > cptr->hdw->croph_val) { + /* Keep checkpatch.pl quiet */ + *top += cap->bounds.height - cptr->hdw->croph_val; } return 0; } -static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) +static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *val) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.height > 0) { - *top = cap->bounds.top + cap->bounds.height - cap->defrect.top; - *top -= cptr->hdw->croph_val; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = 0; + if (cap->bounds.width > cptr->hdw->cropl_val) { + /* Keep checkpatch.pl quiet */ + *val = cap->bounds.width - cptr->hdw->cropl_val; + } + return 0; +} + +static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = 0; + if (cap->bounds.height > cptr->hdw->cropt_val) { + /* Keep checkpatch.pl quiet */ + *val = cap->bounds.height - cptr->hdw->cropt_val; + } + return 0; +} + +static int ctrl_get_cropcapbl(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.left; + return 0; +} + +static int ctrl_get_cropcapbt(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.top; + return 0; +} + +static int ctrl_get_cropcapbw(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.width; + return 0; +} + +static int ctrl_get_cropcapbh(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.height; + return 0; +} + +static int ctrl_get_cropcapdl(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.left; + return 0; +} + +static int ctrl_get_cropcapdt(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.top; + return 0; +} + +static int ctrl_get_cropcapdw(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.width; + return 0; +} + +static int ctrl_get_cropcapdh(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.height; + return 0; +} + +static int ctrl_get_cropcappan(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->pixelaspect.numerator; + return 0; +} + +static int ctrl_get_cropcappad(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->pixelaspect.denominator; + return 0; +} + +static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) +{ + /* Actual maximum depends on the video standard in effect. */ + if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) { + *vp = 480; } else { - ctrl_vres_max_get(cptr, top); - *top -= 32; + *vp = 576; } return 0; } @@ -913,7 +1064,7 @@ static const struct pvr2_ctl_info control_defs[] = { DEFREF(mute), DEFBOOL, }, { - .desc = "Capture left margin", + .desc = "Capture crop left margin", .name = "crop_left", .internal_id = PVR2_CID_CROPL, .default_value = 0, @@ -921,8 +1072,9 @@ static const struct pvr2_ctl_info control_defs[] = { DEFINT(-129, 340), .get_min_value = ctrl_cropl_min_get, .get_max_value = ctrl_cropl_max_get, + .get_def_value = ctrl_get_cropcapdl, }, { - .desc = "Capture top margin", + .desc = "Capture crop top margin", .name = "crop_top", .internal_id = PVR2_CID_CROPT, .default_value = 0, @@ -930,21 +1082,53 @@ static const struct pvr2_ctl_info control_defs[] = { DEFINT(-35, 544), .get_min_value = ctrl_cropt_min_get, .get_max_value = ctrl_cropt_max_get, + .get_def_value = ctrl_get_cropcapdt, }, { - .desc = "Capture width", + .desc = "Capture crop width", .name = "crop_width", .internal_id = PVR2_CID_CROPW, .default_value = 720, DEFREF(cropw), - DEFINT(388, 849), /* determined empirically, any res_hor>=64 */ + .get_max_value = ctrl_cropw_max_get, + .get_def_value = ctrl_get_cropcapdw, }, { - .desc = "Capture height", + .desc = "Capture crop height", .name = "crop_height", .internal_id = PVR2_CID_CROPH, .default_value = 480, DEFREF(croph), - DEFINT(32, 576), - .get_max_value = ctrl_vres_max_get, + .get_max_value = ctrl_croph_max_get, + .get_def_value = ctrl_get_cropcapdh, + }, { + .desc = "Capture capability pixel aspect numerator", + .name = "cropcap_pixel_numerator", + .internal_id = PVR2_CID_CROPCAPPAN, + .get_value = ctrl_get_cropcappan, + }, { + .desc = "Capture capability pixel aspect denominator", + .name = "cropcap_pixel_denominator", + .internal_id = PVR2_CID_CROPCAPPAD, + .get_value = ctrl_get_cropcappad, + }, { + .desc = "Capture capability bounds top", + .name = "cropcap_bounds_top", + .internal_id = PVR2_CID_CROPCAPBT, + .get_value = ctrl_get_cropcapbt, + }, { + .desc = "Capture capability bounds left", + .name = "cropcap_bounds_left", + .internal_id = PVR2_CID_CROPCAPBL, + .get_value = ctrl_get_cropcapbl, + }, { + .desc = "Capture capability bounds width", + .name = "cropcap_bounds_width", + .internal_id = PVR2_CID_CROPCAPBW, + .get_value = ctrl_get_cropcapbw, + }, { + .desc = "Capture capability bounds height", + .name = "cropcap_bounds_height", + .internal_id = PVR2_CID_CROPCAPBH, + .get_value = ctrl_get_cropcapbh, },{ .desc = "Video Source", .name = "input", @@ -2188,7 +2372,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, valid_std_mask; } - memset(&hdw->cropcap, 0, sizeof hdw->cropcap); + hdw->cropcap_stale = !0; hdw->eeprom_addr = -1; hdw->unit_number = -1; hdw->v4l_minor_number_video = -1; @@ -2728,6 +2912,9 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) } hdw->state_pipeline_config = !0; + /* Hardware state may have changed in a way to cause the cropping + capabilities to have changed. So mark it stale, which will + cause a later re-fetch. */ trace_stbit("state_pipeline_config",hdw->state_pipeline_config); return !0; } @@ -2818,6 +3005,36 @@ void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw) } +static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw) +{ + if (!hdw->cropcap_stale) { + /* Keep checkpatch.pl quiet */ + return 0; + } + pvr2_i2c_core_status_poll(hdw); + if (hdw->cropcap_stale) { + /* Keep checkpatch.pl quiet */ + return -EIO; + } + return 0; +} + + +/* Return information about cropping capabilities */ +int pvr2_hdw_get_cropcap(struct pvr2_hdw *hdw, struct v4l2_cropcap *pp) +{ + int stat = 0; + LOCK_TAKE(hdw->big_lock); + stat = pvr2_hdw_check_cropcap(hdw); + if (!stat) { + /* Keep checkpatch.pl quiet */ + memcpy(pp, &hdw->cropcap_info, sizeof(hdw->cropcap_info)); + } + LOCK_GIVE(hdw->big_lock); + return stat; +} + + /* Return information about the tuner */ int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp) { diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h index b4dcda8af64a..49482d1f2b28 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h @@ -40,6 +40,12 @@ #define PVR2_CID_CROPT 10 #define PVR2_CID_CROPW 11 #define PVR2_CID_CROPH 12 +#define PVR2_CID_CROPCAPPAN 13 +#define PVR2_CID_CROPCAPPAD 14 +#define PVR2_CID_CROPCAPBL 15 +#define PVR2_CID_CROPCAPBT 16 +#define PVR2_CID_CROPCAPBW 17 +#define PVR2_CID_CROPCAPBH 18 /* Legal values for the INPUT state variable */ #define PVR2_CVAL_INPUT_TV 0 @@ -174,6 +180,9 @@ void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *); /* Return information about the tuner */ int pvr2_hdw_get_tuner_status(struct pvr2_hdw *,struct v4l2_tuner *); +/* Return information about cropping capabilities */ +int pvr2_hdw_get_cropcap(struct pvr2_hdw *, struct v4l2_cropcap *); + /* Query device and see if it thinks it is on a high-speed USB link */ int pvr2_hdw_is_hsm(struct pvr2_hdw *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c index 440857902c92..543fa30b777e 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c @@ -37,6 +37,7 @@ static void set_standard(struct pvr2_hdw *hdw) pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs); } hdw->tuner_signal_stale = !0; + hdw->cropcap_stale = !0; } @@ -235,34 +236,20 @@ const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = { static void set_crop(struct pvr2_hdw *hdw) { - struct v4l2_cropcap cap; struct v4l2_crop crop; - int stat; - - memset(&cap, 0, sizeof cap); - cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - stat = pvr2_i2c_core_cmd(hdw, VIDIOC_CROPCAP, &cap); - hdw->cropcap = cap; memset(&crop, 0, sizeof crop); crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - crop.c = cap.defrect; - crop.c.left += hdw->cropl_val; - crop.c.top += hdw->cropt_val; + crop.c.left = hdw->cropl_val; + crop.c.top = hdw->cropt_val; crop.c.height = hdw->croph_val; crop.c.width = hdw->cropw_val; pvr2_trace(PVR2_TRACE_CHIPS, - "i2c v4l2 set_crop stat=%d cap=%d:%d:%d:%d" - " crop=%d:%d:%d:%d", stat, cap.bounds.width, - cap.bounds.height, cap.bounds.left, cap.bounds.top, + "i2c v4l2 set_crop crop=%d:%d:%d:%d", crop.c.width, crop.c.height, crop.c.left, crop.c.top); - if (stat >= 0) { - /* This comment is present purely to keep - checkpatch.pl quiet */ - pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop); - } + pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop); } static int check_crop(struct pvr2_hdw *hdw) @@ -312,7 +299,19 @@ void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl) void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp) { - pvr2_i2c_client_cmd(cp,VIDIOC_G_TUNER,&cp->hdw->tuner_signal_info); + int stat; + struct pvr2_hdw *hdw = cp->hdw; + if (hdw->cropcap_stale) { + hdw->cropcap_info.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + stat = pvr2_i2c_client_cmd(cp, VIDIOC_CROPCAP, + &hdw->cropcap_info); + if (stat == 0) { + /* Check was successful, so the data is no + longer considered stale. */ + hdw->cropcap_stale = 0; + } + } + pvr2_i2c_client_cmd(cp, VIDIOC_G_TUNER, &hdw->tuner_signal_info); } diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index e600576a6c4b..afb53b49b31a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -891,6 +891,7 @@ static int pvr2_i2c_attach_inform(struct i2c_client *client) INIT_LIST_HEAD(&cp->list); cp->client = client; mutex_lock(&hdw->i2c_list_lock); do { + hdw->cropcap_stale = !0; list_add_tail(&cp->list,&hdw->i2c_clients); hdw->i2c_pend_types |= PVR2_I2C_PEND_DETECT; } while (0); mutex_unlock(&hdw->i2c_list_lock); @@ -905,6 +906,7 @@ static int pvr2_i2c_detach_inform(struct i2c_client *client) unsigned long amask = 0; int foundfl = 0; mutex_lock(&hdw->i2c_list_lock); do { + hdw->cropcap_stale = !0; list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) { if (cp->client == client) { trace_i2c("pvr2_i2c_detach" diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c index c53037a25570..f048d80b77e5 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c @@ -755,6 +755,92 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file, break; } + case VIDIOC_CROPCAP: + { + struct v4l2_cropcap *cap = (struct v4l2_cropcap *)arg; + if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + ret = -EINVAL; + break; + } + ret = pvr2_hdw_get_cropcap(hdw, cap); + cap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; /* paranoia */ + break; + } + case VIDIOC_G_CROP: + { + struct v4l2_crop *crop = (struct v4l2_crop *)arg; + int val = 0; + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + ret = -EINVAL; + break; + } + ret = pvr2_ctrl_get_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), &val); + if (ret != 0) { + ret = -EINVAL; + break; + } + crop->c.left = val; + ret = pvr2_ctrl_get_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), &val); + if (ret != 0) { + ret = -EINVAL; + break; + } + crop->c.top = val; + ret = pvr2_ctrl_get_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), &val); + if (ret != 0) { + ret = -EINVAL; + break; + } + crop->c.width = val; + ret = pvr2_ctrl_get_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), &val); + if (ret != 0) { + ret = -EINVAL; + break; + } + crop->c.height = val; + } + case VIDIOC_S_CROP: + { + struct v4l2_crop *crop = (struct v4l2_crop *)arg; + struct v4l2_cropcap cap; + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { + ret = -EINVAL; + break; + } + cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + ret = pvr2_ctrl_set_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPL), + crop->c.left); + if (ret != 0) { + ret = -EINVAL; + break; + } + ret = pvr2_ctrl_set_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPT), + crop->c.top); + if (ret != 0) { + ret = -EINVAL; + break; + } + ret = pvr2_ctrl_set_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPW), + crop->c.width); + if (ret != 0) { + ret = -EINVAL; + break; + } + ret = pvr2_ctrl_set_value( + pvr2_hdw_get_ctrl_by_id(hdw, PVR2_CID_CROPH), + crop->c.height); + if (ret != 0) { + ret = -EINVAL; + break; + } + } case VIDIOC_LOG_STATUS: { pvr2_hdw_trigger_module_log(hdw); -- GitLab From 0cc118671282044b2a87621e16d7722d5e60cd08 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Sun, 31 Aug 2008 21:06:11 -0300 Subject: [PATCH 3841/6244] V4L/DVB (8901): pvrusb2: Disable virtual IR device when not needed. Disable "virtual" IR receiver on for 24xxx devices that have an internal IR blaster. In that case there's another another IR receiver present and to leave the virtual receiver available just causes confusion. This means that 24xxx users will no longer see a phantom IR chip. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- .../media/video/pvrusb2/pvrusb2-i2c-core.c | 36 ++++++++++++++----- 1 file changed, 28 insertions(+), 8 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index afb53b49b31a..72d615a87c36 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -948,22 +948,32 @@ static struct i2c_adapter pvr2_i2c_adap_template = { .client_unregister = pvr2_i2c_detach_inform, }; -static void do_i2c_scan(struct pvr2_hdw *hdw) + +/* Return true if device exists at given address */ +static int do_i2c_probe(struct pvr2_hdw *hdw, int addr) { struct i2c_msg msg[1]; - int i,rc; + int rc; msg[0].addr = 0; msg[0].flags = I2C_M_RD; msg[0].len = 0; msg[0].buf = NULL; - printk("%s: i2c scan beginning\n",hdw->name); + msg[0].addr = addr; + rc = i2c_transfer(&hdw->i2c_adap, msg, ARRAY_SIZE(msg)); + return rc == 1; +} + +static void do_i2c_scan(struct pvr2_hdw *hdw) +{ + int i; + printk(KERN_INFO "%s: i2c scan beginning\n", hdw->name); for (i = 0; i < 128; i++) { - msg[0].addr = i; - rc = i2c_transfer(&hdw->i2c_adap,msg, ARRAY_SIZE(msg)); - if (rc != 1) continue; - printk("%s: i2c scan: found device @ 0x%x\n",hdw->name,i); + if (do_i2c_probe(hdw, i)) { + printk(KERN_INFO "%s: i2c scan: found device @ 0x%x\n", + hdw->name, i); + } } - printk("%s: i2c scan done.\n",hdw->name); + printk(KERN_INFO "%s: i2c scan done.\n", hdw->name); } void pvr2_i2c_core_init(struct pvr2_hdw *hdw) @@ -1008,6 +1018,16 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw) mutex_init(&hdw->i2c_list_lock); hdw->i2c_linked = !0; i2c_add_adapter(&hdw->i2c_adap); + if (hdw->i2c_func[0x18] == i2c_24xxx_ir) { + /* Probe for a different type of IR receiver on this + device. If present, disable the emulated IR receiver. */ + if (do_i2c_probe(hdw, 0x71)) { + pvr2_trace(PVR2_TRACE_INFO, + "Device has newer IR hardware;" + " disabling unneeded virtual IR device"); + hdw->i2c_func[0x18] = NULL; + } + } if (i2c_scan) do_i2c_scan(hdw); } -- GitLab From 2bb87c24d7d5639bff65b41b1306542d6d2bf7d0 Mon Sep 17 00:00:00 2001 From: Mike Isely Date: Wed, 3 Sep 2008 21:51:59 -0300 Subject: [PATCH 3842/6244] V4L/DVB (8902): pvrusb2: Remove comment lines which refer to checkpatch's behavior Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pvrusb2/pvrusb2-ctrl.c | 2 -- drivers/media/video/pvrusb2/pvrusb2-hdw.c | 24 ------------------- .../video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c | 8 ++----- .../media/video/pvrusb2/pvrusb2-i2c-core.c | 2 -- drivers/media/video/pvrusb2/pvrusb2-sysfs.c | 1 - 5 files changed, 2 insertions(+), 35 deletions(-) diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c index 2741c7b0b537..203f54cd18a1 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c +++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c @@ -141,10 +141,8 @@ int pvr2_ctrl_get_def(struct pvr2_ctrl *cptr, int *valptr) LOCK_TAKE(cptr->hdw->big_lock); do { if (cptr->info->type == pvr2_ctl_int) { if (cptr->info->get_def_value) { - /* Comment to keep checkpatch.pl quiet */ ret = cptr->info->get_def_value(cptr, valptr); } else { - /* Comment to keep checkpatch.pl quiet */ *valptr = cptr->info->default_value; } } diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 9bb59b2de917..94265bd3d926 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -408,7 +408,6 @@ static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *left = cap->bounds.left; @@ -420,13 +419,10 @@ static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *left = cap->bounds.left; if (cap->bounds.width > cptr->hdw->cropw_val) { - /* This statement is present purely to shut up - checkpatch.pl */ *left += cap->bounds.width - cptr->hdw->cropw_val; } return 0; @@ -437,7 +433,6 @@ static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *top = cap->bounds.top; @@ -449,12 +444,10 @@ static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *top = cap->bounds.top; if (cap->bounds.height > cptr->hdw->croph_val) { - /* Keep checkpatch.pl quiet */ *top += cap->bounds.height - cptr->hdw->croph_val; } return 0; @@ -465,12 +458,10 @@ static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = 0; if (cap->bounds.width > cptr->hdw->cropl_val) { - /* Keep checkpatch.pl quiet */ *val = cap->bounds.width - cptr->hdw->cropl_val; } return 0; @@ -481,12 +472,10 @@ static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = 0; if (cap->bounds.height > cptr->hdw->cropt_val) { - /* Keep checkpatch.pl quiet */ *val = cap->bounds.height - cptr->hdw->cropt_val; } return 0; @@ -497,7 +486,6 @@ static int ctrl_get_cropcapbl(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->bounds.left; @@ -509,7 +497,6 @@ static int ctrl_get_cropcapbt(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->bounds.top; @@ -521,7 +508,6 @@ static int ctrl_get_cropcapbw(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->bounds.width; @@ -533,7 +519,6 @@ static int ctrl_get_cropcapbh(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->bounds.height; @@ -545,7 +530,6 @@ static int ctrl_get_cropcapdl(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->defrect.left; @@ -557,7 +541,6 @@ static int ctrl_get_cropcapdt(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->defrect.top; @@ -569,7 +552,6 @@ static int ctrl_get_cropcapdw(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->defrect.width; @@ -581,7 +563,6 @@ static int ctrl_get_cropcapdh(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->defrect.height; @@ -593,7 +574,6 @@ static int ctrl_get_cropcappan(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->pixelaspect.numerator; @@ -605,7 +585,6 @@ static int ctrl_get_cropcappad(struct pvr2_ctrl *cptr, int *val) struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; int stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { - /* Keep checkpatch.pl quiet */ return stat; } *val = cap->pixelaspect.denominator; @@ -3008,12 +2987,10 @@ void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw) static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw) { if (!hdw->cropcap_stale) { - /* Keep checkpatch.pl quiet */ return 0; } pvr2_i2c_core_status_poll(hdw); if (hdw->cropcap_stale) { - /* Keep checkpatch.pl quiet */ return -EIO; } return 0; @@ -3027,7 +3004,6 @@ int pvr2_hdw_get_cropcap(struct pvr2_hdw *hdw, struct v4l2_cropcap *pp) LOCK_TAKE(hdw->big_lock); stat = pvr2_hdw_check_cropcap(hdw); if (!stat) { - /* Keep checkpatch.pl quiet */ memcpy(pp, &hdw->cropcap_info, sizeof(hdw->cropcap_info)); } LOCK_GIVE(hdw->big_lock); diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c index 543fa30b777e..16bb11902a52 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c @@ -254,12 +254,8 @@ static void set_crop(struct pvr2_hdw *hdw) static int check_crop(struct pvr2_hdw *hdw) { - /* The "0 +" stupidity is present only to get checkpatch.pl to - shut up. I _want_ those parantheses present so that the - two lines automatically line up in my editor. I despise - checkpatch.pl. */ - return 0 + (hdw->cropl_dirty || hdw->cropt_dirty || - hdw->cropw_dirty || hdw->croph_dirty); + return (hdw->cropl_dirty || hdw->cropt_dirty || + hdw->cropw_dirty || hdw->croph_dirty); } const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = { diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index 72d615a87c36..77289a1c8cb2 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -992,8 +992,6 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw) hdw->i2c_func[0x18] = i2c_black_hole; } else if (ir_mode[hdw->unit_number] == 1) { if (hdw->hdw_desc->ir_scheme == PVR2_IR_SCHEME_24XXX) { - /* This comment is present PURELY to get - checkpatch.pl to STFU. Lovely, eh? */ hdw->i2c_func[0x18] = i2c_24xxx_ir; } } diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c index ac01b11f7b99..733680f21317 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c +++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c @@ -158,7 +158,6 @@ static ssize_t show_def(struct device *class_dev, pvr2_sysfs_trace("pvr2_sysfs(%p) show_def(cid=%d) is %d, stat=%d", cip->chptr, cip->ctl_id, val, ret); if (ret < 0) { - /* Keep checkpatch.pl quiet */ return ret; } return scnprintf(buf, PAGE_SIZE, "%d\n", val); -- GitLab From d45b9b8ab43c8973a9630ac54f4ede6c3e009f9e Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 4 Sep 2008 03:33:43 -0300 Subject: [PATCH 3843/6244] V4L/DVB (8906): v4l-dvb: fix assorted sparse warnings Fix sparse warnings. None are serious, but cutting down on these helps find future serious sparse warnings/errors. Redid the av7710.c patch based on a suggestion by Oliver Endriss. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9005-remote.c | 2 +- drivers/media/dvb/dvb-usb/af9005-script.h | 2 +- drivers/media/dvb/dvb-usb/af9005.c | 23 ++++++--------- drivers/media/dvb/frontends/cx24110.h | 15 ++++++---- drivers/media/dvb/frontends/dib7000m.c | 3 +- drivers/media/dvb/frontends/dvb_dummy_fe.c | 4 +-- drivers/media/dvb/frontends/sp887x.c | 3 +- drivers/media/dvb/ttpci/av7110.c | 12 ++++---- drivers/media/video/cpia2/cpia2_core.c | 10 +++---- drivers/media/video/cpia2/cpia2_usb.c | 2 +- drivers/media/video/cx23885/cx23885-417.c | 2 +- drivers/media/video/cx23885/cx23885-vbi.c | 12 +------- drivers/media/video/cx23885/cx23885-video.c | 29 +++++++------------ drivers/media/video/em28xx/em28xx-dvb.c | 2 +- drivers/media/video/em28xx/em28xx-i2c.c | 7 +++-- drivers/media/video/em28xx/em28xx.h | 4 +-- drivers/media/video/gspca/sonixb.c | 2 +- drivers/media/video/gspca/vc032x.c | 1 - .../media/video/ovcamchip/ovcamchip_core.c | 6 ---- .../media/video/ovcamchip/ovcamchip_priv.h | 6 ++++ .../media/video/pvrusb2/pvrusb2-i2c-core.c | 2 +- drivers/media/video/s2255drv.c | 2 +- drivers/media/video/sn9c102/sn9c102_core.c | 20 +++++++++++++ .../media/video/sn9c102/sn9c102_devtable.h | 20 ------------- drivers/media/video/sn9c102/sn9c102_hv7131d.c | 1 + drivers/media/video/sn9c102/sn9c102_hv7131r.c | 1 + drivers/media/video/sn9c102/sn9c102_mi0343.c | 1 + drivers/media/video/sn9c102/sn9c102_mi0360.c | 1 + drivers/media/video/sn9c102/sn9c102_mt9v111.c | 1 + drivers/media/video/sn9c102/sn9c102_ov7630.c | 1 + drivers/media/video/sn9c102/sn9c102_ov7660.c | 1 + drivers/media/video/sn9c102/sn9c102_pas106b.c | 1 + .../media/video/sn9c102/sn9c102_pas202bcb.c | 1 + .../media/video/sn9c102/sn9c102_tas5110c1b.c | 1 + .../media/video/sn9c102/sn9c102_tas5110d.c | 1 + .../media/video/sn9c102/sn9c102_tas5130d1b.c | 1 + drivers/media/video/zoran_device.c | 2 -- drivers/media/video/zoran_device.h | 8 +++++ drivers/media/video/zoran_driver.c | 6 ---- 39 files changed, 108 insertions(+), 111 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/af9005-remote.c b/drivers/media/dvb/dvb-usb/af9005-remote.c index ff00c0e8f4a1..7c596f926764 100644 --- a/drivers/media/dvb/dvb-usb/af9005-remote.c +++ b/drivers/media/dvb/dvb-usb/af9005-remote.c @@ -25,7 +25,7 @@ */ #include "af9005.h" /* debug */ -int dvb_usb_af9005_remote_debug; +static int dvb_usb_af9005_remote_debug; module_param_named(debug, dvb_usb_af9005_remote_debug, int, 0644); MODULE_PARM_DESC(debug, "enable (1) or disable (0) debug messages." diff --git a/drivers/media/dvb/dvb-usb/af9005-script.h b/drivers/media/dvb/dvb-usb/af9005-script.h index 6eeaae51b1ca..4d69045426dd 100644 --- a/drivers/media/dvb/dvb-usb/af9005-script.h +++ b/drivers/media/dvb/dvb-usb/af9005-script.h @@ -14,7 +14,7 @@ typedef struct { u8 val; } RegDesc; -RegDesc script[] = { +static RegDesc script[] = { {0xa180, 0x0, 0x8, 0xa}, {0xa181, 0x0, 0x8, 0xd7}, {0xa182, 0x0, 0x8, 0xa3}, diff --git a/drivers/media/dvb/dvb-usb/af9005.c b/drivers/media/dvb/dvb-usb/af9005.c index cfe71feefcad..ca5a0a4d2a47 100644 --- a/drivers/media/dvb/dvb-usb/af9005.c +++ b/drivers/media/dvb/dvb-usb/af9005.c @@ -35,17 +35,17 @@ module_param_named(led, dvb_usb_af9005_led, bool, 0644); MODULE_PARM_DESC(led, "enable led (default: 1)."); /* eeprom dump */ -int dvb_usb_af9005_dump_eeprom = 0; +static int dvb_usb_af9005_dump_eeprom; module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0); MODULE_PARM_DESC(dump_eeprom, "dump contents of the eeprom."); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); /* remote control decoder */ -int (*rc_decode) (struct dvb_usb_device * d, u8 * data, int len, u32 * event, - int *state); -void *rc_keys; -int *rc_keys_size; +static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len, + u32 *event, int *state); +static void *rc_keys; +static int *rc_keys_size; u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; @@ -54,8 +54,8 @@ struct af9005_device_state { int led_state; }; -int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 * wbuf, u16 wlen, - u8 * rbuf, u16 rlen, int delay_ms) +static int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, + u8 *rbuf, u16 rlen, int delay_ms) { int actlen, ret = -ENOMEM; @@ -98,12 +98,7 @@ int af9005_usb_generic_rw(struct dvb_usb_device *d, u8 * wbuf, u16 wlen, return ret; } -int af9005_usb_generic_write(struct dvb_usb_device *d, u8 * buf, u16 len) -{ - return af9005_usb_generic_rw(d, buf, len, NULL, 0, 0); -} - -int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, +static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, int readwrite, int type, u8 * values, int len) { struct af9005_device_state *st = d->priv; @@ -765,7 +760,7 @@ static int af9005_boot_packet(struct usb_device *udev, int type, u8 * reply) return 0; } -int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw) +static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw) { int i, packets, ret, act_len; diff --git a/drivers/media/dvb/frontends/cx24110.h b/drivers/media/dvb/frontends/cx24110.h index 1792adb23c4d..fdcceee91f3a 100644 --- a/drivers/media/dvb/frontends/cx24110.h +++ b/drivers/media/dvb/frontends/cx24110.h @@ -33,12 +33,17 @@ struct cx24110_config u8 demod_address; }; -static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) { - int r = 0; - u8 buf[] = {(u8) (val>>24), (u8) (val>>16), (u8) (val>>8)}; +static inline int cx24110_pll_write(struct dvb_frontend *fe, u32 val) +{ + u8 buf[] = { + (u8)((val >> 24) & 0xff), + (u8)((val >> 16) & 0xff), + (u8)((val >> 8) & 0xff) + }; + if (fe->ops.write) - r = fe->ops.write(fe, buf, 3); - return r; + return fe->ops.write(fe, buf, 3); + return 0; } #if defined(CONFIG_DVB_CX24110) || (defined(CONFIG_DVB_CX24110_MODULE) && defined(MODULE)) diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index 5f1375e30dfc..4de0fa9b69ad 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -1284,7 +1284,8 @@ struct i2c_adapter * dib7000m_get_i2c_master(struct dvb_frontend *demod, enum di } EXPORT_SYMBOL(dib7000m_get_i2c_master); -int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000m_config cfg[]) +static int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, + u8 default_addr, struct dib7000m_config cfg[]) { struct dib7000m_state st = { .i2c_adap = i2c }; int k = 0; diff --git a/drivers/media/dvb/frontends/dvb_dummy_fe.c b/drivers/media/dvb/frontends/dvb_dummy_fe.c index cb4d8a3b9d8b..db8a937cc630 100644 --- a/drivers/media/dvb/frontends/dvb_dummy_fe.c +++ b/drivers/media/dvb/frontends/dvb_dummy_fe.c @@ -132,7 +132,7 @@ error: static struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops; -struct dvb_frontend* dvb_dummy_fe_qpsk_attach() +struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void) { struct dvb_dummy_fe_state* state = NULL; @@ -152,7 +152,7 @@ error: static struct dvb_frontend_ops dvb_dummy_fe_qam_ops; -struct dvb_frontend* dvb_dummy_fe_qam_attach() +struct dvb_frontend *dvb_dummy_fe_qam_attach(void) { struct dvb_dummy_fe_state* state = NULL; diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c index 4543609e1816..559509ab4dab 100644 --- a/drivers/media/dvb/frontends/sp887x.c +++ b/drivers/media/dvb/frontends/sp887x.c @@ -337,7 +337,8 @@ static int sp887x_setup_frontend_parameters (struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { struct sp887x_state* state = fe->demodulator_priv; - int actual_freq, err; + unsigned actual_freq; + int err; u16 val, reg0xc05; if (p->u.ofdm.bandwidth != BANDWIDTH_8_MHZ && diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c index 404108f09d77..c7c770c28988 100644 --- a/drivers/media/dvb/ttpci/av7110.c +++ b/drivers/media/dvb/ttpci/av7110.c @@ -381,9 +381,9 @@ static inline void start_debi_dma(struct av7110 *av7110, int dir, irdebi(av7110, DEBISWAB, addr, 0, len); } -static void debiirq(unsigned long data) +static void debiirq(unsigned long cookie) { - struct av7110 *av7110 = (struct av7110 *) data; + struct av7110 *av7110 = (struct av7110 *)cookie; int type = av7110->debitype; int handle = (type >> 8) & 0x1f; unsigned int xfer = 0; @@ -492,9 +492,9 @@ debi_done: } /* irq from av7110 firmware writing the mailbox register in the DPRAM */ -static void gpioirq(unsigned long data) +static void gpioirq(unsigned long cookie) { - struct av7110 *av7110 = (struct av7110 *) data; + struct av7110 *av7110 = (struct av7110 *)cookie; u32 rxbuf, txbuf; int len; @@ -1260,9 +1260,9 @@ static int budget_stop_feed(struct dvb_demux_feed *feed) return status; } -static void vpeirq(unsigned long data) +static void vpeirq(unsigned long cookie) { - struct av7110 *budget = (struct av7110 *) data; + struct av7110 *budget = (struct av7110 *)cookie; u8 *mem = (u8 *) (budget->grabbing); u32 olddma = budget->ttbp; u32 newdma = saa7146_read(budget->dev, PCI_VDP3); diff --git a/drivers/media/video/cpia2/cpia2_core.c b/drivers/media/video/cpia2/cpia2_core.c index af8b9ec8e358..7e791b6923f9 100644 --- a/drivers/media/video/cpia2/cpia2_core.c +++ b/drivers/media/video/cpia2/cpia2_core.c @@ -1537,7 +1537,7 @@ static int config_sensor_500(struct camera_data *cam, * * This sets all user changeable properties to the values in cam->params. *****************************************************************************/ -int set_all_properties(struct camera_data *cam) +static int set_all_properties(struct camera_data *cam) { /** * Don't set target_kb here, it will be set later. @@ -1588,7 +1588,7 @@ void cpia2_save_camera_state(struct camera_data *cam) * get_color_params * *****************************************************************************/ -void get_color_params(struct camera_data *cam) +static void get_color_params(struct camera_data *cam) { cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS, TRANSFER_READ, 0); cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION, TRANSFER_READ, 0); @@ -1881,7 +1881,7 @@ void cpia2_set_saturation(struct camera_data *cam, unsigned char value) * wake_system * *****************************************************************************/ -void wake_system(struct camera_data *cam) +static void wake_system(struct camera_data *cam) { cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0); } @@ -1892,7 +1892,7 @@ void wake_system(struct camera_data *cam) * * Valid for STV500 sensor only *****************************************************************************/ -void set_lowlight_boost(struct camera_data *cam) +static void set_lowlight_boost(struct camera_data *cam) { struct cpia2_command cmd; @@ -2169,7 +2169,7 @@ void cpia2_dbg_dump_registers(struct camera_data *cam) * * Sets all values to the defaults *****************************************************************************/ -void reset_camera_struct(struct camera_data *cam) +static void reset_camera_struct(struct camera_data *cam) { /*** * The following parameter values are the defaults from the register map. diff --git a/drivers/media/video/cpia2/cpia2_usb.c b/drivers/media/video/cpia2/cpia2_usb.c index a8a199047cbd..73511a542077 100644 --- a/drivers/media/video/cpia2/cpia2_usb.c +++ b/drivers/media/video/cpia2/cpia2_usb.c @@ -478,7 +478,7 @@ int cpia2_usb_change_streaming_alternate(struct camera_data *cam, * set_alternate * *****************************************************************************/ -int set_alternate(struct camera_data *cam, unsigned int alt) +static int set_alternate(struct camera_data *cam, unsigned int alt) { int ret = 0; diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 93777d06d0ac..e54df8195ec4 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -632,7 +632,7 @@ int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value) /* ------------------------------------------------------------------ */ /* MPEG encoder API */ -char *cmd_to_str(int cmd) +static char *cmd_to_str(int cmd) { switch (cmd) { case CX2341X_ENC_PING_FW: diff --git a/drivers/media/video/cx23885/cx23885-vbi.c b/drivers/media/video/cx23885/cx23885-vbi.c index 35e61cd112fc..5b297f0323b6 100644 --- a/drivers/media/video/cx23885/cx23885-vbi.c +++ b/drivers/media/video/cx23885/cx23885-vbi.c @@ -85,18 +85,8 @@ static int cx23885_start_vbi_dma(struct cx23885_dev *dev, return 0; } -int cx23885_stop_vbi_dma(struct cx23885_dev *dev) -{ - /* stop dma */ - cx_clear(VID_A_DMA_CTL, 0x00000022); - - /* disable irqs */ - cx_clear(PCI_INT_MSK, 0x000001); - cx_clear(VID_A_INT_MSK, 0x00000022); - return 0; -} -int cx23885_restart_vbi_queue(struct cx23885_dev *dev, +static int cx23885_restart_vbi_queue(struct cx23885_dev *dev, struct cx23885_dmaqueue *q) { struct cx23885_buffer *buf; diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index d9bef1a54d1f..f75ed1c9b71a 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -244,7 +244,7 @@ static struct cx23885_ctrl cx23885_ctls[] = { }; static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); -const u32 cx23885_user_ctrls[] = { +static const u32 cx23885_user_ctrls[] = { V4L2_CID_USER_CLASS, V4L2_CID_BRIGHTNESS, V4L2_CID_CONTRAST, @@ -254,14 +254,13 @@ const u32 cx23885_user_ctrls[] = { V4L2_CID_AUDIO_MUTE, 0 }; -EXPORT_SYMBOL(cx23885_user_ctrls); static const u32 *ctrl_classes[] = { cx23885_user_ctrls, NULL }; -void cx23885_video_wakeup(struct cx23885_dev *dev, +static void cx23885_video_wakeup(struct cx23885_dev *dev, struct cx23885_dmaqueue *q, u32 count) { struct cx23885_buffer *buf; @@ -296,7 +295,7 @@ void cx23885_video_wakeup(struct cx23885_dev *dev, __func__, bc); } -int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) +static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) { dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", __func__, @@ -314,7 +313,7 @@ int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) return 0; } -struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, +static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, struct pci_dev *pci, struct video_device *template, char *type) @@ -334,7 +333,7 @@ struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, return vfd; } -int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) +static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) { int i; @@ -351,7 +350,6 @@ int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) *qctrl = cx23885_ctls[i].v; return 0; } -EXPORT_SYMBOL(cx23885_ctrl_query); /* ------------------------------------------------------------------- */ /* resource management */ @@ -402,7 +400,7 @@ static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, mutex_unlock(&dev->lock); } -int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) +static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) { struct v4l2_routing route; memset(&route, 0, sizeof(route)); @@ -422,10 +420,9 @@ int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) return 0; } -EXPORT_SYMBOL(cx23885_video_mux); /* ------------------------------------------------------------------ */ -int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, +static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, unsigned int height, enum v4l2_field field) { dprintk(1, "%s()\n", __func__); @@ -890,21 +887,19 @@ static int video_mmap(struct file *file, struct vm_area_struct *vma) /* ------------------------------------------------------------------ */ /* VIDEO CTRL IOCTLS */ -int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) +static int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) { dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); return 0; } -EXPORT_SYMBOL(cx23885_get_control); -int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) +static int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) { dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" " (disabled - no action)\n", __func__); return 0; } -EXPORT_SYMBOL(cx23885_set_control); static void init_controls(struct cx23885_dev *dev) { @@ -1152,7 +1147,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) return 0; } -int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) +static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) { static const char *iname[] = { [CX23885_VMUX_COMPOSITE1] = "Composite1", @@ -1185,7 +1180,6 @@ int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) i->std = CX23885_NORMS; return 0; } -EXPORT_SYMBOL(cx23885_enum_input); static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) @@ -1294,7 +1288,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, return 0; } -int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) +static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) { if (unlikely(UNSET == dev->tuner_type)) return -EINVAL; @@ -1313,7 +1307,6 @@ int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) return 0; } -EXPORT_SYMBOL(cx23885_set_freq); static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index d2b1a1a52689..ea4f2a97bd2d 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -274,7 +274,7 @@ static int attach_xc3028(u8 addr, struct em28xx *dev) /* ------------------------------------------------------------------ */ -int register_dvb(struct em28xx_dvb *dvb, +static int register_dvb(struct em28xx_dvb *dvb, struct module *module, struct em28xx *dev, struct device *device) diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index 97853384c943..2989a65f6917 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -143,10 +143,11 @@ static int em2800_i2c_check_for_device(struct em28xx *dev, unsigned char addr) } for (write_timeout = EM2800_I2C_WRITE_TIMEOUT; write_timeout > 0; write_timeout -= 5) { - unsigned msg = dev->em28xx_read_reg(dev, 0x5); - if (msg == 0x94) + unsigned reg = dev->em28xx_read_reg(dev, 0x5); + + if (reg == 0x94) return -ENODEV; - else if (msg == 0x84) + else if (reg == 0x84) return 0; msleep(5); } diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 9a3310748685..d992280613b2 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -411,8 +411,8 @@ struct em28xx { /* frame properties */ int width; /* current frame width */ int height; /* current frame height */ - int hscale; /* horizontal scale factor (see datasheet) */ - int vscale; /* vertical scale factor (see datasheet) */ + unsigned hscale; /* horizontal scale factor (see datasheet) */ + unsigned vscale; /* vertical scale factor (see datasheet) */ int interlaced; /* 1=interlace fileds, 0=just top fileds */ unsigned int video_bytesread; /* Number of bytes read */ diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 12b81ae526b7..4328ad44c40a 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -490,7 +490,7 @@ static const __u8 tas5130_sensor_init[][8] = { {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10}, }; -struct sensor_data sensor_data[] = { +static struct sensor_data sensor_data[] = { SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0), SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF, 0, 0x60), SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3, diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index bd4c226c9a07..0c68f433bb9b 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -80,7 +80,6 @@ static struct ctrl sd_ctrls[] = { .step = 1, #define FREQ_DEF 1 .default_value = FREQ_DEF, - .default_value = 1, }, .set = sd_setfreq, .get = sd_getfreq, diff --git a/drivers/media/video/ovcamchip/ovcamchip_core.c b/drivers/media/video/ovcamchip/ovcamchip_core.c index 065c2454113e..2c4acbf5a4fe 100644 --- a/drivers/media/video/ovcamchip/ovcamchip_core.c +++ b/drivers/media/video/ovcamchip/ovcamchip_core.c @@ -49,12 +49,6 @@ MODULE_LICENSE("GPL"); #define GENERIC_REG_ID_LOW 0x1D /* manufacturer ID LSB */ #define GENERIC_REG_COM_I 0x29 /* misc ID bits */ -extern struct ovcamchip_ops ov6x20_ops; -extern struct ovcamchip_ops ov6x30_ops; -extern struct ovcamchip_ops ov7x10_ops; -extern struct ovcamchip_ops ov7x20_ops; -extern struct ovcamchip_ops ov76be_ops; - static char *chip_names[NUM_CC_TYPES] = { [CC_UNKNOWN] = "Unknown chip", [CC_OV76BE] = "OV76BE", diff --git a/drivers/media/video/ovcamchip/ovcamchip_priv.h b/drivers/media/video/ovcamchip/ovcamchip_priv.h index 9afa4fe47726..a05650faedda 100644 --- a/drivers/media/video/ovcamchip/ovcamchip_priv.h +++ b/drivers/media/video/ovcamchip/ovcamchip_priv.h @@ -53,6 +53,12 @@ struct ovcamchip { int initialized; /* OVCAMCHIP_CMD_INITIALIZE was successful */ }; +extern struct ovcamchip_ops ov6x20_ops; +extern struct ovcamchip_ops ov6x30_ops; +extern struct ovcamchip_ops ov7x10_ops; +extern struct ovcamchip_ops ov7x20_ops; +extern struct ovcamchip_ops ov76be_ops; + /* --------------------------------- */ /* I2C I/O */ /* --------------------------------- */ diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index 77289a1c8cb2..d6a35401fefb 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -827,7 +827,7 @@ static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp, if ((detail & PVR2_I2C_DETAIL_CTLMASK) && cp->ctl_mask) { unsigned int idx; unsigned long msk,sm; - int spcfl; + bcnt = scnprintf(buf,maxlen," ["); ccnt += bcnt; buf += bcnt; maxlen -= bcnt; sm = 0; diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index b8e104552206..5272926db73e 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -491,7 +491,7 @@ static void planar422p_to_yuv_packed(const unsigned char *in, return; } -void s2255_reset_dsppower(struct s2255_dev *dev) +static void s2255_reset_dsppower(struct s2255_dev *dev) { s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1); msleep(10); diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 4b76c45c148c..20e30bd9364b 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -116,6 +116,26 @@ MODULE_PARM_DESC(debug, "\n"); #endif +/* + Add the probe entries to this table. Be sure to add the entry in the right + place, since, on failure, the next probing routine is called according to + the order of the list below, from top to bottom. +*/ +static int (*sn9c102_sensor_table[])(struct sn9c102_device *) = { + &sn9c102_probe_hv7131d, /* strong detection based on SENSOR ids */ + &sn9c102_probe_hv7131r, /* strong detection based on SENSOR ids */ + &sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */ + &sn9c102_probe_mi0360, /* strong detection based on SENSOR ids */ + &sn9c102_probe_mt9v111, /* strong detection based on SENSOR ids */ + &sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */ + &sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */ + &sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */ + &sn9c102_probe_ov7660, /* strong detection based on SENSOR ids */ + &sn9c102_probe_tas5110c1b, /* detection based on USB pid/vid */ + &sn9c102_probe_tas5110d, /* detection based on USB pid/vid */ + &sn9c102_probe_tas5130d1b, /* detection based on USB pid/vid */ +}; + /*****************************************************************************/ static u32 diff --git a/drivers/media/video/sn9c102/sn9c102_devtable.h b/drivers/media/video/sn9c102/sn9c102_devtable.h index 90a401dc3884..e23734f6d6e2 100644 --- a/drivers/media/video/sn9c102/sn9c102_devtable.h +++ b/drivers/media/video/sn9c102/sn9c102_devtable.h @@ -140,24 +140,4 @@ extern int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam); extern int sn9c102_probe_tas5110d(struct sn9c102_device* cam); extern int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam); -/* - Add the above entries to this table. Be sure to add the entry in the right - place, since, on failure, the next probing routine is called according to - the order of the list below, from top to bottom. -*/ -static int (*sn9c102_sensor_table[])(struct sn9c102_device*) = { - &sn9c102_probe_hv7131d, /* strong detection based on SENSOR ids */ - &sn9c102_probe_hv7131r, /* strong detection based on SENSOR ids */ - &sn9c102_probe_mi0343, /* strong detection based on SENSOR ids */ - &sn9c102_probe_mi0360, /* strong detection based on SENSOR ids */ - &sn9c102_probe_mt9v111, /* strong detection based on SENSOR ids */ - &sn9c102_probe_pas106b, /* strong detection based on SENSOR ids */ - &sn9c102_probe_pas202bcb, /* strong detection based on SENSOR ids */ - &sn9c102_probe_ov7630, /* strong detection based on SENSOR ids */ - &sn9c102_probe_ov7660, /* strong detection based on SENSOR ids */ - &sn9c102_probe_tas5110c1b, /* detection based on USB pid/vid */ - &sn9c102_probe_tas5110d, /* detection based on USB pid/vid */ - &sn9c102_probe_tas5130d1b, /* detection based on USB pid/vid */ -}; - #endif /* _SN9C102_DEVTABLE_H_ */ diff --git a/drivers/media/video/sn9c102/sn9c102_hv7131d.c b/drivers/media/video/sn9c102/sn9c102_hv7131d.c index eaf9ad0dc8a6..db2434948939 100644 --- a/drivers/media/video/sn9c102/sn9c102_hv7131d.c +++ b/drivers/media/video/sn9c102/sn9c102_hv7131d.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int hv7131d_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_hv7131r.c b/drivers/media/video/sn9c102/sn9c102_hv7131r.c index 0fc401223cfc..4295887ff609 100644 --- a/drivers/media/video/sn9c102/sn9c102_hv7131r.c +++ b/drivers/media/video/sn9c102/sn9c102_hv7131r.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int hv7131r_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_mi0343.c b/drivers/media/video/sn9c102/sn9c102_mi0343.c index 00b134ca0a3d..1f5b09bec89c 100644 --- a/drivers/media/video/sn9c102/sn9c102_mi0343.c +++ b/drivers/media/video/sn9c102/sn9c102_mi0343.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int mi0343_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_mi0360.c b/drivers/media/video/sn9c102/sn9c102_mi0360.c index f8d81d82e8d5..d973fc1973d9 100644 --- a/drivers/media/video/sn9c102/sn9c102_mi0360.c +++ b/drivers/media/video/sn9c102/sn9c102_mi0360.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int mi0360_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_mt9v111.c b/drivers/media/video/sn9c102/sn9c102_mt9v111.c index 3b98ac3bbc38..95986eb492e4 100644 --- a/drivers/media/video/sn9c102/sn9c102_mt9v111.c +++ b/drivers/media/video/sn9c102/sn9c102_mt9v111.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int mt9v111_init(struct sn9c102_device *cam) diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c index e4856fd77982..803712c29f02 100644 --- a/drivers/media/video/sn9c102/sn9c102_ov7630.c +++ b/drivers/media/video/sn9c102/sn9c102_ov7630.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int ov7630_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_ov7660.c b/drivers/media/video/sn9c102/sn9c102_ov7660.c index 8aae416ba8ec..7977795d342b 100644 --- a/drivers/media/video/sn9c102/sn9c102_ov7660.c +++ b/drivers/media/video/sn9c102/sn9c102_ov7660.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int ov7660_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_pas106b.c b/drivers/media/video/sn9c102/sn9c102_pas106b.c index 360f2a848bc0..81cd969c1b7b 100644 --- a/drivers/media/video/sn9c102/sn9c102_pas106b.c +++ b/drivers/media/video/sn9c102/sn9c102_pas106b.c @@ -21,6 +21,7 @@ #include #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int pas106b_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c index ca4a1506ed3d..2782f94cf6f8 100644 --- a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c +++ b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c @@ -26,6 +26,7 @@ #include #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int pas202bcb_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c b/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c index e7d2de2bace1..04cdfdde8564 100644 --- a/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c +++ b/drivers/media/video/sn9c102/sn9c102_tas5110c1b.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int tas5110c1b_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_tas5110d.c b/drivers/media/video/sn9c102/sn9c102_tas5110d.c index d32fdbccdc5e..9372e6f9fcff 100644 --- a/drivers/media/video/sn9c102/sn9c102_tas5110d.c +++ b/drivers/media/video/sn9c102/sn9c102_tas5110d.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int tas5110d_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c index 56fb1d575a8a..a30bbc4389f5 100644 --- a/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c +++ b/drivers/media/video/sn9c102/sn9c102_tas5130d1b.c @@ -20,6 +20,7 @@ ***************************************************************************/ #include "sn9c102_sensor.h" +#include "sn9c102_devtable.h" static int tas5130d1b_init(struct sn9c102_device* cam) diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c index 2b3ca1493373..5d948ff7faf0 100644 --- a/drivers/media/video/zoran_device.c +++ b/drivers/media/video/zoran_device.c @@ -58,8 +58,6 @@ ZR36057_ISR_GIRQ1 | \ ZR36057_ISR_JPEGRepIRQ ) -extern const struct zoran_format zoran_formats[]; - static int lml33dpath; /* default = 0 * 1 will use digital path in capture * mode instead of analog. It can be diff --git a/drivers/media/video/zoran_device.h b/drivers/media/video/zoran_device.h index 37fa86a34083..74c6c8edb7d0 100644 --- a/drivers/media/video/zoran_device.h +++ b/drivers/media/video/zoran_device.h @@ -78,6 +78,14 @@ extern void zoran_set_pci_master(struct zoran *zr, extern void zoran_init_hardware(struct zoran *zr); extern void zr36057_restart(struct zoran *zr); +extern const struct zoran_format zoran_formats[]; + +extern int v4l_nbufs; +extern int v4l_bufsize; +extern int jpg_nbufs; +extern int jpg_bufsize; +extern int pass_through; + /* i2c */ extern int decoder_command(struct zoran *zr, int cmd, diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index 4aa1a765626d..f0af9b7f8ffc 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -194,12 +194,6 @@ const struct zoran_format zoran_formats[] = { // RJ: Test only - want to test BUZ_USE_HIMEM even when CONFIG_BIGPHYS_AREA is defined -extern int v4l_nbufs; -extern int v4l_bufsize; -extern int jpg_nbufs; -extern int jpg_bufsize; -extern int pass_through; - static int lock_norm; /* 0 = default 1 = Don't change TV standard (norm) */ module_param(lock_norm, int, 0644); MODULE_PARM_DESC(lock_norm, "Prevent norm changes (1 = ignore, >1 = fail)"); -- GitLab From 0be01004ddc0694d8c592fff05ab88dabd45f476 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Thu, 4 Sep 2008 07:01:50 -0300 Subject: [PATCH 3844/6244] V4L/DVB (8910): gspca: Add support of image transfer by bulk and minor change. - image transfer by bulk - set the max number of transfer URS's to 4 (was 16) Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 115 +++++++++++++++++++++++------- drivers/media/video/gspca/gspca.h | 5 +- 2 files changed, 91 insertions(+), 29 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index ac95c55887df..496d58d479da 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -177,6 +177,48 @@ static void isoc_irq(struct urb *urb fill_frame(gspca_dev, urb); } +/* + * bulk message interrupt from the USB device + */ +static void bulk_irq(struct urb *urb +) +{ + struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context; + struct gspca_frame *frame; + int j, ret; + + PDEBUG(D_PACK, "bulk irq"); + if (!gspca_dev->streaming) + return; + if (urb->status != 0 && urb->status != -ECONNRESET) { +#ifdef CONFIG_PM + if (!gspca_dev->frozen) +#endif + PDEBUG(D_ERR|D_PACK, "urb status: %d", urb->status); + return; /* disconnection ? */ + } + + /* check the availability of the frame buffer */ + j = gspca_dev->fr_i; + j = gspca_dev->fr_queue[j]; + frame = &gspca_dev->frame[j]; + if ((frame->v4l2_buf.flags & BUF_ALL_FLAGS) + != V4L2_BUF_FLAG_QUEUED) { + gspca_dev->last_packet_type = DISCARD_PACKET; + } else { + PDEBUG(D_PACK, "packet l:%d", urb->actual_length); + gspca_dev->sd_desc->pkt_scan(gspca_dev, + frame, + urb->transfer_buffer, + urb->actual_length); + } + /* resubmit the URB */ + urb->status = 0; + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret < 0) + PDEBUG(D_ERR|D_PACK, "usb_submit_urb() ret %d", ret); +} + /* * add data to the current frame * @@ -374,10 +416,11 @@ static void destroy_urbs(struct gspca_dev *gspca_dev) } /* - * search an input isochronous endpoint in an alternate setting + * search an input transfer endpoint in an alternate setting */ -static struct usb_host_endpoint *alt_isoc(struct usb_host_interface *alt, - __u8 epaddr) +static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt, + __u8 epaddr, + __u8 xfer) { struct usb_host_endpoint *ep; int i, attr; @@ -388,7 +431,7 @@ static struct usb_host_endpoint *alt_isoc(struct usb_host_interface *alt, if (ep->desc.bEndpointAddress == epaddr) { attr = ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; - if (attr == USB_ENDPOINT_XFER_ISOC) + if (attr == xfer) return ep; break; } @@ -397,14 +440,14 @@ static struct usb_host_endpoint *alt_isoc(struct usb_host_interface *alt, } /* - * search an input isochronous endpoint + * search an input (isoc or bulk) endpoint * * The endpoint is defined by the subdriver. * Use only the first isoc (some Zoran - 0x0572:0x0001 - have two such ep). * This routine may be called many times when the bandwidth is too small * (the bandwidth is checked on urb submit). */ -static struct usb_host_endpoint *get_isoc_ep(struct gspca_dev *gspca_dev) +static struct usb_host_endpoint *get_ep(struct gspca_dev *gspca_dev) { struct usb_interface *intf; struct usb_host_endpoint *ep; @@ -414,15 +457,19 @@ static struct usb_host_endpoint *get_isoc_ep(struct gspca_dev *gspca_dev) ep = NULL; i = gspca_dev->alt; /* previous alt setting */ while (--i > 0) { /* alt 0 is unusable */ - ep = alt_isoc(&intf->altsetting[i], gspca_dev->cam.epaddr); + ep = alt_xfer(&intf->altsetting[i], + gspca_dev->cam.epaddr, + gspca_dev->bulk + ? USB_ENDPOINT_XFER_BULK + : USB_ENDPOINT_XFER_ISOC); if (ep) break; } if (ep == NULL) { - err("no ISOC endpoint found"); + err("no transfer endpoint found"); return NULL; } - PDEBUG(D_STREAM, "use ISOC alt %d ep 0x%02x", + PDEBUG(D_STREAM, "use alt %d ep 0x%02x", i, ep->desc.bEndpointAddress); ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, i); if (ret < 0) { @@ -434,7 +481,7 @@ static struct usb_host_endpoint *get_isoc_ep(struct gspca_dev *gspca_dev) } /* - * create the isochronous URBs + * create the URBs for image transfer */ static int create_urbs(struct gspca_dev *gspca_dev, struct usb_host_endpoint *ep) @@ -447,12 +494,20 @@ static int create_urbs(struct gspca_dev *gspca_dev, /* See paragraph 5.9 / table 5-11 of the usb 2.0 spec. */ psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); - npkt = ISO_MAX_SIZE / psize; - if (npkt > ISO_MAX_PKT) - npkt = ISO_MAX_PKT; - bsize = psize * npkt; - PDEBUG(D_STREAM, - "isoc %d pkts size %d (bsize:%d)", npkt, psize, bsize); + if (!gspca_dev->bulk) { + npkt = ISO_MAX_SIZE / psize; + if (npkt > ISO_MAX_PKT) + npkt = ISO_MAX_PKT; + bsize = psize * npkt; + PDEBUG(D_STREAM, + "isoc %d pkts size %d = bsize:%d", + npkt, psize, bsize); + } else { + npkt = 0; + bsize = psize; + PDEBUG(D_STREAM, "bulk bsize:%d", bsize); + } + nurbs = DEF_NURBS; gspca_dev->nurbs = nurbs; for (n = 0; n < nurbs; n++) { @@ -476,17 +531,23 @@ static int create_urbs(struct gspca_dev *gspca_dev, gspca_dev->urb[n] = urb; urb->dev = gspca_dev->dev; urb->context = gspca_dev; - urb->pipe = usb_rcvisocpipe(gspca_dev->dev, - ep->desc.bEndpointAddress); - urb->transfer_flags = URB_ISO_ASAP - | URB_NO_TRANSFER_DMA_MAP; - urb->interval = ep->desc.bInterval; - urb->complete = isoc_irq; - urb->number_of_packets = npkt; urb->transfer_buffer_length = bsize; - for (i = 0; i < npkt; i++) { - urb->iso_frame_desc[i].length = psize; - urb->iso_frame_desc[i].offset = psize * i; + if (npkt != 0) { /* ISOC */ + urb->pipe = usb_rcvisocpipe(gspca_dev->dev, + ep->desc.bEndpointAddress); + urb->transfer_flags = URB_ISO_ASAP + | URB_NO_TRANSFER_DMA_MAP; + urb->interval = ep->desc.bInterval; + urb->complete = isoc_irq; + urb->number_of_packets = npkt; + for (i = 0; i < npkt; i++) { + urb->iso_frame_desc[i].length = psize; + urb->iso_frame_desc[i].offset = psize * i; + } + } else { /* bulk */ + urb->pipe = usb_rcvbulkpipe(gspca_dev->dev, + ep->desc.bEndpointAddress), + urb->complete = bulk_irq; } } return 0; @@ -508,7 +569,7 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) gspca_dev->alt = gspca_dev->nbalt; for (;;) { PDEBUG(D_STREAM, "init transfer alt %d", gspca_dev->alt); - ep = get_isoc_ep(gspca_dev); + ep = get_ep(gspca_dev); if (ep == NULL) { ret = -EIO; goto out; diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index c17625cff9ba..78a35a88cf97 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -49,8 +49,8 @@ extern int gspca_debug; } while (0) #define GSPCA_MAX_FRAMES 16 /* maximum number of video frame buffers */ -/* ISOC transfers */ -#define MAX_NURBS 16 /* max number of URBs */ +/* image transfers */ +#define MAX_NURBS 4 /* max number of URBs */ #define ISO_MAX_PKT 32 /* max number of packets in an ISOC transfer */ #define ISO_MAX_SIZE 0x8000 /* max size of one URB buffer (32 Kb) */ @@ -143,6 +143,7 @@ struct gspca_dev { __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ + __u8 bulk; /* image transfer by isoc (0) or bulk (1) */ __u8 curr_mode; /* current camera mode */ __u32 pixfmt; /* current mode parameters */ __u16 width; -- GitLab From 4519064c1c7ccdd319d26181bdd12ee2df6e336e Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Fri, 29 Aug 2008 16:10:21 -0300 Subject: [PATCH 3845/6244] V4L/DVB (8912): cx18: Correct CX23418 PCI configuration settings. cx18: Correct CX23418 PCI configuration settings. The CX23418 doesn't have I/O space registers, so there was no need to try and turn them on (the card ignores the attempt to set the bit anyway). Also removed incorrect config space register setting that was errantly borrowed from ivtv. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 3419de9a5a4e..3dfceb360b50 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -511,9 +511,9 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, return -EIO; } - /* Check for bus mastering */ + /* Enable bus mastering and memory mapped IO for the CX23418 */ pci_read_config_word(dev, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config_word(dev, PCI_COMMAND, cmd); pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); @@ -525,11 +525,6 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); } - /* This config space value relates to DMA latencies. The - default value 0x8080 is too low however and will lead - to DMA errors. 0xffff is the max value which solves - these problems. */ - pci_write_config_dword(dev, 0x40, 0xffff); CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " "irq: %d, latency: %d, memory: 0x%lx\n", -- GitLab From b1526421eac9a912b2cda7e147f1da2aa31be278 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 30 Aug 2008 16:03:44 -0300 Subject: [PATCH 3846/6244] V4L/DVB (8913): cx18: Create cx18_ specific wrappers for all pci mmio accessesors. cx18: Create cx18_ specific wrappers for all pci mmio accessesors. This is a first step in instrumenting all CX23418 PCI bus IO, to debug problems with accessing the CX23418's PCI memory mapped IO. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/Makefile | 2 +- drivers/media/video/cx18/cx18-audio.c | 5 +- drivers/media/video/cx18/cx18-av-core.c | 12 +- drivers/media/video/cx18/cx18-av-firmware.c | 7 +- drivers/media/video/cx18/cx18-driver.c | 7 +- drivers/media/video/cx18/cx18-driver.h | 43 ------ drivers/media/video/cx18/cx18-dvb.c | 5 +- drivers/media/video/cx18/cx18-firmware.c | 140 ++++++++++--------- drivers/media/video/cx18/cx18-gpio.c | 15 ++- drivers/media/video/cx18/cx18-i2c.c | 47 ++++--- drivers/media/video/cx18/cx18-io.c | 142 ++++++++++++++++++++ drivers/media/video/cx18/cx18-io.h | 69 ++++++++++ drivers/media/video/cx18/cx18-ioctl.c | 5 +- drivers/media/video/cx18/cx18-irq.c | 43 +++--- drivers/media/video/cx18/cx18-mailbox.c | 44 +++--- drivers/media/video/cx18/cx18-queue.c | 2 + drivers/media/video/cx18/cx18-queue.h | 2 + drivers/media/video/cx18/cx18-scb.c | 131 +++++++++--------- drivers/media/video/cx18/cx18-streams.c | 10 +- 19 files changed, 468 insertions(+), 263 deletions(-) create mode 100644 drivers/media/video/cx18/cx18-io.c create mode 100644 drivers/media/video/cx18/cx18-io.h diff --git a/drivers/media/video/cx18/Makefile b/drivers/media/video/cx18/Makefile index b23d2e26120f..f7bf0edf93f9 100644 --- a/drivers/media/video/cx18/Makefile +++ b/drivers/media/video/cx18/Makefile @@ -2,7 +2,7 @@ cx18-objs := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio. cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \ cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \ cx18-av-core.o cx18-av-audio.o cx18-av-firmware.o cx18-av-vbi.o cx18-scb.o \ - cx18-dvb.o + cx18-dvb.o cx18-io.o obj-$(CONFIG_VIDEO_CX18) += cx18.o diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c index 6d5b94fc7087..57beddf0af4d 100644 --- a/drivers/media/video/cx18/cx18-audio.c +++ b/drivers/media/video/cx18/cx18-audio.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-i2c.h" #include "cx18-cards.h" #include "cx18-audio.h" @@ -60,10 +61,10 @@ int cx18_audio_set_io(struct cx18 *cx) if (err) return err; - val = read_reg(CX18_AUDIO_ENABLE) & ~0x30; + val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30; val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 : (audio_input << 4); - write_reg(val | 0xb00, CX18_AUDIO_ENABLE); + cx18_write_reg(cx, val | 0xb00, CX18_AUDIO_ENABLE); cx18_vapi(cx, CX18_APU_RESETAI, 1, 0); return 0; } diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c index 3b0a2c450605..d8626e354651 100644 --- a/drivers/media/video/cx18/cx18-av-core.c +++ b/drivers/media/video/cx18/cx18-av-core.c @@ -22,27 +22,29 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) { - u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + u32 reg = 0xc40000 + (addr & ~3); u32 mask = 0xff; int shift = (addr & 3) * 8; + u32 x = cx18_read_reg(cx, reg); x = (x & ~(mask << shift)) | ((u32)value << shift); - writel(x, cx->reg_mem + 0xc40000 + (addr & ~3)); + cx18_write_reg(cx, x, reg); return 0; } int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) { - writel(value, cx->reg_mem + 0xc40000 + addr); + cx18_write_reg(cx, value, 0xc40000 + addr); return 0; } u8 cx18_av_read(struct cx18 *cx, u16 addr) { - u32 x = readl(cx->reg_mem + 0xc40000 + (addr & ~3)); + u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); int shift = (addr & 3) * 8; return (x >> shift) & 0xff; @@ -50,7 +52,7 @@ u8 cx18_av_read(struct cx18 *cx, u16 addr) u32 cx18_av_read4(struct cx18 *cx, u16 addr) { - return readl(cx->reg_mem + 0xc40000 + addr); + return cx18_read_reg(cx, 0xc40000 + addr); } int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, diff --git a/drivers/media/video/cx18/cx18-av-firmware.c b/drivers/media/video/cx18/cx18-av-firmware.c index e996a4e3123a..0488b6297704 100644 --- a/drivers/media/video/cx18/cx18-av-firmware.c +++ b/drivers/media/video/cx18/cx18-av-firmware.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include #define CX18_AUDIO_ENABLE 0xc72014 @@ -119,10 +120,10 @@ int cx18_av_loadfw(struct cx18 *cx) have a name in the spec. */ cx18_av_write4(cx, 0x09CC, 1); - v = read_reg(CX18_AUDIO_ENABLE); - /* If bit 11 is 1 */ + v = cx18_read_reg(cx, CX18_AUDIO_ENABLE); + /* If bit 11 is 1, clear bit 10 */ if (v & 0x800) - write_reg(v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); /* Clear bit 10 */ + cx18_write_reg(cx, v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); /* Enable WW auto audio standard detection */ v = cx18_av_read4(cx, CXADEC_STD_DET_CTL); diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 3dfceb360b50..d31e1ec8d14c 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-version.h" #include "cx18-cards.h" #include "cx18-i2c.h" @@ -651,7 +652,7 @@ static int __devinit cx18_probe(struct pci_dev *dev, goto free_mem; } cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; - devtype = read_reg(0xC72028); + devtype = cx18_read_reg(cx, 0xC72028); switch (devtype & 0xff000000) { case 0xff000000: CX18_INFO("cx23418 revision %08x (A)\n", devtype); @@ -897,8 +898,8 @@ static void cx18_remove(struct pci_dev *pci_dev) cx18_stop_all_captures(cx); /* Interrupts */ - sw1_irq_disable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); - sw2_irq_disable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); cx18_halt_firmware(cx); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 7bdd2fcdf200..2cfdbe445820 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -457,47 +457,4 @@ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); /* First-open initialization: load firmware, etc. */ int cx18_init_on_first_open(struct cx18 *cx); -/* This is a PCI post thing, where if the pci register is not read, then - the write doesn't always take effect right away. By reading back the - register any pending PCI writes will be performed (in order), and so - you can be sure that the writes are guaranteed to be done. - - Rarely needed, only in some timing sensitive cases. - Apparently if this is not done some motherboards seem - to kill the firmware and get into the broken state until computer is - rebooted. */ -#define write_sync(val, reg) \ - do { writel(val, reg); readl(reg); } while (0) - -#define read_reg(reg) readl(cx->reg_mem + (reg)) -#define write_reg(val, reg) writel(val, cx->reg_mem + (reg)) -#define write_reg_sync(val, reg) \ - do { write_reg(val, reg); read_reg(reg); } while (0) - -#define read_enc(addr) readl(cx->enc_mem + (u32)(addr)) -#define write_enc(val, addr) writel(val, cx->enc_mem + (u32)(addr)) -#define write_enc_sync(val, addr) \ - do { write_enc(val, addr); read_enc(addr); } while (0) - -#define sw1_irq_enable(val) do { \ - write_reg(val, SW1_INT_STATUS); \ - write_reg(read_reg(SW1_INT_ENABLE_PCI) | (val), SW1_INT_ENABLE_PCI); \ -} while (0) - -#define sw1_irq_disable(val) \ - write_reg(read_reg(SW1_INT_ENABLE_PCI) & ~(val), SW1_INT_ENABLE_PCI); - -#define sw2_irq_enable(val) do { \ - write_reg(val, SW2_INT_STATUS); \ - write_reg(read_reg(SW2_INT_ENABLE_PCI) | (val), SW2_INT_ENABLE_PCI); \ -} while (0) - -#define sw2_irq_disable(val) \ - write_reg(read_reg(SW2_INT_ENABLE_PCI) & ~(val), SW2_INT_ENABLE_PCI); - -#define setup_page(addr) do { \ - u32 val = read_reg(0xD000F8) & ~0x1f00; \ - write_reg(val | (((addr) >> 17) & 0x1f00), 0xD000F8); \ -} while (0) - #endif /* CX18_DRIVER_H */ diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index 1e420a804fc9..afc694e7bdb2 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -21,6 +21,7 @@ #include "cx18-version.h" #include "cx18-dvb.h" +#include "cx18-io.h" #include "cx18-streams.h" #include "cx18-cards.h" #include "s5h1409.h" @@ -87,13 +88,13 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: - v = read_reg(CX18_REG_DMUX_NUM_PORT_0_CONTROL); + v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL); v |= 0x00400000; /* Serial Mode */ v |= 0x00002000; /* Data Length - Byte */ v |= 0x00010000; /* Error - Polarity */ v |= 0x00020000; /* Error - Passthru */ v |= 0x000c0000; /* Error - Ignore */ - write_reg(v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); + cx18_write_reg(cx, v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); break; default: diff --git a/drivers/media/video/cx18/cx18-firmware.c b/drivers/media/video/cx18/cx18-firmware.c index 78fadd2ada5d..51534428cd00 100644 --- a/drivers/media/video/cx18/cx18-firmware.c +++ b/drivers/media/video/cx18/cx18-firmware.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" #include "cx18-irq.h" #include "cx18-firmware.h" @@ -113,11 +114,11 @@ static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx) src = (const u32 *)fw->data; for (i = 0; i < fw->size; i += 4096) { - setup_page(i); + cx18_setup_page(cx, i); for (j = i; j < fw->size && j < i + 4096; j += 4) { /* no need for endianness conversion on the ppc */ - __raw_writel(*src, dst); - if (__raw_readl(dst) != *src) { + cx18_raw_writel(cx, *src, dst); + if (cx18_raw_readl(cx, dst) != *src) { CX18_ERR("Mismatch at offset %x\n", i); release_firmware(fw); return -EIO; @@ -170,12 +171,15 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx) if (offset + seghdr.size > sz) break; for (i = 0; i < seghdr.size; i += 4096) { - setup_page(offset + i); + cx18_setup_page(cx, offset + i); for (j = i; j < seghdr.size && j < i + 4096; j += 4) { /* no need for endianness conversion on the ppc */ - __raw_writel(src[(offset + j) / 4], dst + seghdr.addr + j); - if (__raw_readl(dst + seghdr.addr + j) != src[(offset + j) / 4]) { - CX18_ERR("Mismatch at offset %x\n", offset + j); + cx18_raw_writel(cx, src[(offset + j) / 4], + dst + seghdr.addr + j); + if (cx18_raw_readl(cx, dst + seghdr.addr + j) + != src[(offset + j) / 4]) { + CX18_ERR("Mismatch at offset %x\n", + offset + j); release_firmware(fw); return -EIO; } @@ -189,43 +193,45 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx) size = fw->size; release_firmware(fw); /* Clear bit0 for APU to start from 0 */ - write_reg(read_reg(0xc72030) & ~1, 0xc72030); + cx18_write_reg(cx, cx18_read_reg(cx, 0xc72030) & ~1, 0xc72030); return size; } void cx18_halt_firmware(struct cx18 *cx) { CX18_DEBUG_INFO("Preparing for firmware halt.\n"); - write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ - write_reg(0x00020002, CX18_ADEC_CONTROL); + cx18_write_reg(cx, 0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + cx18_write_reg(cx, 0x00020002, CX18_ADEC_CONTROL); } void cx18_init_power(struct cx18 *cx, int lowpwr) { /* power-down Spare and AOM PLLs */ /* power-up fast, slow and mpeg PLLs */ - write_reg(0x00000008, CX18_PLL_POWER_DOWN); + cx18_write_reg(cx, 0x00000008, CX18_PLL_POWER_DOWN); /* ADEC out of sleep */ - write_reg(0x00020000, CX18_ADEC_CONTROL); + cx18_write_reg(cx, 0x00020000, CX18_ADEC_CONTROL); /* The fast clock is at 200/245 MHz */ - write_reg(lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); - write_reg(lowpwr ? 0x1EFBF37 : 0x038E3D7, CX18_FAST_CLOCK_PLL_FRAC); + cx18_write_reg(cx, lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0x1EFBF37 : 0x038E3D7, + CX18_FAST_CLOCK_PLL_FRAC); - write_reg(2, CX18_FAST_CLOCK_PLL_POST); - write_reg(1, CX18_FAST_CLOCK_PLL_PRESCALE); - write_reg(4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); + cx18_write_reg(cx, 2, CX18_FAST_CLOCK_PLL_POST); + cx18_write_reg(cx, 1, CX18_FAST_CLOCK_PLL_PRESCALE); + cx18_write_reg(cx, 4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); /* set slow clock to 125/120 MHz */ - write_reg(lowpwr ? 0x11 : 0x10, CX18_SLOW_CLOCK_PLL_INT); - write_reg(lowpwr ? 0xEBAF05 : 0x18618A8, CX18_SLOW_CLOCK_PLL_FRAC); - write_reg(4, CX18_SLOW_CLOCK_PLL_POST); + cx18_write_reg(cx, lowpwr ? 0x11 : 0x10, CX18_SLOW_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0xEBAF05 : 0x18618A8, + CX18_SLOW_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 4, CX18_SLOW_CLOCK_PLL_POST); /* mpeg clock pll 54MHz */ - write_reg(0xF, CX18_MPEG_CLOCK_PLL_INT); - write_reg(0x2BCFEF, CX18_MPEG_CLOCK_PLL_FRAC); - write_reg(8, CX18_MPEG_CLOCK_PLL_POST); + cx18_write_reg(cx, 0xF, CX18_MPEG_CLOCK_PLL_INT); + cx18_write_reg(cx, 0x2BCFEF, CX18_MPEG_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 8, CX18_MPEG_CLOCK_PLL_POST); /* Defaults */ /* APU = SC or SC/2 = 125/62.5 */ @@ -242,81 +248,84 @@ void cx18_init_power(struct cx18 *cx, int lowpwr) /* VFC = disabled */ /* USB = disabled */ - write_reg(lowpwr ? 0xFFFF0020 : 0x00060004, CX18_CLOCK_SELECT1); - write_reg(lowpwr ? 0xFFFF0004 : 0x00060006, CX18_CLOCK_SELECT2); + cx18_write_reg(cx, lowpwr ? 0xFFFF0020 : 0x00060004, + CX18_CLOCK_SELECT1); + cx18_write_reg(cx, lowpwr ? 0xFFFF0004 : 0x00060006, + CX18_CLOCK_SELECT2); - write_reg(0xFFFF0002, CX18_HALF_CLOCK_SELECT1); - write_reg(0xFFFF0104, CX18_HALF_CLOCK_SELECT2); + cx18_write_reg(cx, 0xFFFF0002, CX18_HALF_CLOCK_SELECT1); + cx18_write_reg(cx, 0xFFFF0104, CX18_HALF_CLOCK_SELECT2); - write_reg(0xFFFF9026, CX18_CLOCK_ENABLE1); - write_reg(0xFFFF3105, CX18_CLOCK_ENABLE2); + cx18_write_reg(cx, 0xFFFF9026, CX18_CLOCK_ENABLE1); + cx18_write_reg(cx, 0xFFFF3105, CX18_CLOCK_ENABLE2); } void cx18_init_memory(struct cx18 *cx) { cx18_msleep_timeout(10, 0); - write_reg(0x10000, CX18_DDR_SOFT_RESET); + cx18_write_reg(cx, 0x10000, CX18_DDR_SOFT_RESET); cx18_msleep_timeout(10, 0); - write_reg(cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); + cx18_write_reg(cx, cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); cx18_msleep_timeout(10, 0); - write_reg(cx->card->ddr.refresh, CX18_DDR_REFRESH); - write_reg(cx->card->ddr.timing1, CX18_DDR_TIMING1); - write_reg(cx->card->ddr.timing2, CX18_DDR_TIMING2); + cx18_write_reg(cx, cx->card->ddr.refresh, CX18_DDR_REFRESH); + cx18_write_reg(cx, cx->card->ddr.timing1, CX18_DDR_TIMING1); + cx18_write_reg(cx, cx->card->ddr.timing2, CX18_DDR_TIMING2); cx18_msleep_timeout(10, 0); /* Initialize DQS pad time */ - write_reg(cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); - write_reg(cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); + cx18_write_reg(cx, cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); + cx18_write_reg(cx, cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); cx18_msleep_timeout(10, 0); - write_reg(0x20000, CX18_DDR_SOFT_RESET); + cx18_write_reg(cx, 0x20000, CX18_DDR_SOFT_RESET); cx18_msleep_timeout(10, 0); /* use power-down mode when idle */ - write_reg(0x00000010, CX18_DDR_POWER_REG); - - write_reg(0x10001, CX18_REG_BUS_TIMEOUT_EN); - - write_reg(0x48, CX18_DDR_MB_PER_ROW_7); - write_reg(0xE0000, CX18_DDR_BASE_63_ADDR); - - write_reg(0x00000101, CX18_WMB_CLIENT02); /* AO */ - write_reg(0x00000101, CX18_WMB_CLIENT09); /* AI2 */ - write_reg(0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ - write_reg(0x00000101, CX18_WMB_CLIENT06); /* AI1 */ - write_reg(0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ - write_reg(0x00000101, CX18_WMB_CLIENT10); /* ME */ - write_reg(0x00000101, CX18_WMB_CLIENT12); /* ENC */ - write_reg(0x00000101, CX18_WMB_CLIENT13); /* PK */ - write_reg(0x00000101, CX18_WMB_CLIENT11); /* RC */ - write_reg(0x00000101, CX18_WMB_CLIENT14); /* AVO */ + cx18_write_reg(cx, 0x00000010, CX18_DDR_POWER_REG); + + cx18_write_reg(cx, 0x10001, CX18_REG_BUS_TIMEOUT_EN); + + cx18_write_reg(cx, 0x48, CX18_DDR_MB_PER_ROW_7); + cx18_write_reg(cx, 0xE0000, CX18_DDR_BASE_63_ADDR); + + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT02); /* AO */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT09); /* AI2 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT06); /* AI1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT10); /* ME */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT12); /* ENC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT13); /* PK */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT11); /* RC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT14); /* AVO */ } int cx18_firmware_init(struct cx18 *cx) { /* Allow chip to control CLKRUN */ - write_reg(0x5, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 0x5, CX18_DSP0_INTERRUPT_MASK); - write_reg(0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ + cx18_write_reg(cx, 0x000F000F, CX18_PROC_SOFT_RESET); /* stop the fw */ cx18_msleep_timeout(1, 0); - sw1_irq_enable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); - sw2_irq_enable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + cx18_sw1_irq_enable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + cx18_sw2_irq_enable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); /* Only if the processor is not running */ - if (read_reg(CX18_PROC_SOFT_RESET) & 8) { + if (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 8) { int sz = load_apu_fw_direct("v4l-cx23418-apu.fw", cx->enc_mem, cx); - write_enc(0xE51FF004, 0); - write_enc(0xa00000, 4); /* todo: not hardcoded */ - write_reg(0x00010000, CX18_PROC_SOFT_RESET); /* Start APU */ + cx18_write_enc(cx, 0xE51FF004, 0); + cx18_write_enc(cx, 0xa00000, 4); /* todo: not hardcoded */ + /* Start APU */ + cx18_write_reg(cx, 0x00010000, CX18_PROC_SOFT_RESET); cx18_msleep_timeout(500, 0); sz = sz <= 0 ? sz : load_cpu_fw_direct("v4l-cx23418-cpu.fw", @@ -326,9 +335,10 @@ int cx18_firmware_init(struct cx18 *cx) int retries = 0; /* start the CPU */ - write_reg(0x00080000, CX18_PROC_SOFT_RESET); + cx18_write_reg(cx, 0x00080000, CX18_PROC_SOFT_RESET); while (retries++ < 50) { /* Loop for max 500mS */ - if ((read_reg(CX18_PROC_SOFT_RESET) & 1) == 0) + if ((cx18_read_reg(cx, CX18_PROC_SOFT_RESET) + & 1) == 0) break; cx18_msleep_timeout(10, 0); } @@ -342,6 +352,6 @@ int cx18_firmware_init(struct cx18 *cx) return -EIO; } /* initialize GPIO */ - write_reg(0x14001400, 0xC78110); + cx18_write_reg(cx, 0x14001400, 0xC78110); return 0; } diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c index 3d495dba4983..3bdffbf7a96d 100644 --- a/drivers/media/video/cx18/cx18-gpio.c +++ b/drivers/media/video/cx18/cx18-gpio.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "tuner-xc2028.h" @@ -49,11 +50,11 @@ static void gpio_write(struct cx18 *cx) u32 dir = cx->gpio_dir; u32 val = cx->gpio_val; - write_reg((dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); - write_reg(((dir & 0xffff) << 16) | (val & 0xffff), + cx18_write_reg(cx, (dir & 0xffff) << 16, CX18_REG_GPIO_DIR1); + cx18_write_reg(cx, ((dir & 0xffff) << 16) | (val & 0xffff), CX18_REG_GPIO_OUT1); - write_reg(dir & 0xffff0000, CX18_REG_GPIO_DIR2); - write_reg_sync((dir & 0xffff0000) | ((val & 0xffff0000) >> 16), + cx18_write_reg(cx, dir & 0xffff0000, CX18_REG_GPIO_DIR2); + cx18_write_reg_sync(cx, (dir & 0xffff0000) | ((val & 0xffff0000) >> 16), CX18_REG_GPIO_OUT2); } @@ -141,8 +142,10 @@ void cx18_gpio_init(struct cx18 *cx) } CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", - read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_DIR2), - read_reg(CX18_REG_GPIO_OUT1), read_reg(CX18_REG_GPIO_OUT2)); + cx18_read_reg(cx, CX18_REG_GPIO_DIR1), + cx18_read_reg(cx, CX18_REG_GPIO_DIR2), + cx18_read_reg(cx, CX18_REG_GPIO_OUT1), + cx18_read_reg(cx, CX18_REG_GPIO_OUT2)); gpio_write(cx); mutex_unlock(&cx->gpio_lock); diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c index 7d8fb25baae8..aa09e557b195 100644 --- a/drivers/media/video/cx18/cx18-i2c.c +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "cx18-av-core.h" @@ -156,12 +157,12 @@ static void cx18_setscl(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSCL_BIT, addr); else - write_reg_sync(r & ~SETSCL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSCL_BIT, addr); } static void cx18_setsda(void *data, int state) @@ -169,12 +170,12 @@ static void cx18_setsda(void *data, int state) struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; - u32 r = read_reg(addr); + u32 r = cx18_read_reg(cx, addr); if (state) - write_reg_sync(r | SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r | SETSDL_BIT, addr); else - write_reg_sync(r & ~SETSDL_BIT, addr); + cx18_write_reg_sync(cx, r & ~SETSDL_BIT, addr); } static int cx18_getscl(void *data) @@ -183,7 +184,7 @@ static int cx18_getscl(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSCL_BIT; + return cx18_read_reg(cx, addr) & GETSCL_BIT; } static int cx18_getsda(void *data) @@ -192,7 +193,7 @@ static int cx18_getsda(void *data) int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; - return read_reg(addr) & GETSDL_BIT; + return cx18_read_reg(cx, addr) & GETSDL_BIT; } /* template for i2c-bit-algo */ @@ -392,29 +393,33 @@ int init_cx18_i2c(struct cx18 *cx) cx->i2c_adap[i].dev.parent = &cx->dev->dev; } - if (read_reg(CX18_REG_I2C_2_WR) != 0x0003c02f) { + if (cx18_read_reg(cx, CX18_REG_I2C_2_WR) != 0x0003c02f) { /* Reset/Unreset I2C hardware block */ - write_reg(0x10000000, 0xc71004); /* Clock select 220MHz */ - write_reg_sync(0x10001000, 0xc71024); /* Clock Enable */ + /* Clock select 220MHz */ + cx18_write_reg(cx, 0x10000000, 0xc71004); + /* Clock Enable */ + cx18_write_reg_sync(cx, 0x10001000, 0xc71024); } /* courtesy of Steven Toth */ - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c000c0, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c000c0, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc7001c); + cx18_write_reg_sync(cx, 0x00c00000, 0xc7001c); mdelay(10); - write_reg_sync(0x00c00000, 0xc730c8); /* Set to edge-triggered intrs. */ - write_reg_sync(0x00c00000, 0xc730c4); /* Clear any stale intrs */ + /* Set to edge-triggered intrs. */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c8); + /* Clear any stale intrs */ + cx18_write_reg_sync(cx, 0x00c00000, 0xc730c4); /* Hw I2C1 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); cx18_setscl(&cx->i2c_algo_cb_data[0], 1); cx18_setsda(&cx->i2c_algo_cb_data[0], 1); /* Hw I2C2 Clock Freq ~100kHz */ - write_reg_sync(0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); cx18_setscl(&cx->i2c_algo_cb_data[1], 1); cx18_setsda(&cx->i2c_algo_cb_data[1], 1); @@ -428,8 +433,10 @@ void exit_cx18_i2c(struct cx18 *cx) { int i; CX18_DEBUG_I2C("i2c exit\n"); - write_reg(read_reg(CX18_REG_I2C_1_WR) | 4, CX18_REG_I2C_1_WR); - write_reg(read_reg(CX18_REG_I2C_2_WR) | 4, CX18_REG_I2C_2_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_1_WR) | 4, + CX18_REG_I2C_1_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_2_WR) | 4, + CX18_REG_I2C_2_WR); for (i = 0; i < 2; i++) { i2c_del_adapter(&cx->i2c_adap[i]); diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c new file mode 100644 index 000000000000..c53d9b6e5e46 --- /dev/null +++ b/drivers/media/video/cx18/cx18-io.c @@ -0,0 +1,142 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil + * Copyright (C) 2008 Andy Walls + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-irq.h" + +void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + __raw_writel(val, addr); +} + +u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +{ + return __raw_readl(addr); +} + +u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr) +{ + writel(val, addr); + return readl(addr); +} + +void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + writel(val, addr); +} + +u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +{ + return readl(addr); +} + + +/* Access "register" region of CX23418 memory mapped I/O */ +u32 cx18_read_reg(struct cx18 *cx, u32 reg) +{ + return readl(cx->reg_mem + reg); +} + +void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) +{ + writel(val, cx->reg_mem + reg); +} + +u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg) +{ + return cx18_write_sync(cx, val, cx->reg_mem + reg); +} + +/* Access "encoder memory" region of CX23418 memory mapped I/O */ +u32 cx18_read_enc(struct cx18 *cx, u32 addr) +{ + return readl(cx->enc_mem + addr); +} + +void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) +{ + writel(val, cx->enc_mem + addr); +} + +u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) +{ + return cx18_write_sync(cx, val, cx->enc_mem + addr); +} + +void cx18_memcpy_fromio(struct cx18 *cx, void *to, + const void __iomem *from, unsigned int len) +{ + memcpy_fromio(to, from, len); +} + +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) +{ + memset_io(addr, val, count); +} + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) +{ + u32 r; + cx18_write_reg(cx, val, SW1_INT_STATUS); + r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); + cx18_write_reg(cx, r | val, SW1_INT_ENABLE_PCI); +} + +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val) +{ + u32 r; + r = cx18_read_reg(cx, SW1_INT_ENABLE_PCI); + cx18_write_reg(cx, r & ~val, SW1_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val) +{ + u32 r; + cx18_write_reg(cx, val, SW2_INT_STATUS); + r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); + cx18_write_reg(cx, r | val, SW2_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val) +{ + u32 r; + r = cx18_read_reg(cx, SW2_INT_ENABLE_PCI); + cx18_write_reg(cx, r & ~val, SW2_INT_ENABLE_PCI); +} + +void cx18_setup_page(struct cx18 *cx, u32 addr) +{ + u32 val; + val = cx18_read_reg(cx, 0xD000F8); + val = (val & ~0x1f00) | ((addr >> 17) & 0x1f00); + cx18_write_reg(cx, val, 0xD000F8); +} + +/* Tries to recover from the CX23418 responding improperly on the PCI bus */ +int cx18_pci_try_recover(struct cx18 *cx) +{ + u16 status; + + pci_read_config_word(cx->dev, PCI_STATUS, &status); + pci_write_config_word(cx->dev, PCI_STATUS, status); + return 0; +} diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h new file mode 100644 index 000000000000..7c08c0add490 --- /dev/null +++ b/drivers/media/video/cx18/cx18-io.h @@ -0,0 +1,69 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil + * Copyright (C) 2008 Andy Walls + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_IO_H +#define CX18_IO_H + +#include "cx18-driver.h" + +/* This is a PCI post thing, where if the pci register is not read, then + the write doesn't always take effect right away. By reading back the + register any pending PCI writes will be performed (in order), and so + you can be sure that the writes are guaranteed to be done. + + Rarely needed, only in some timing sensitive cases. + Apparently if this is not done some motherboards seem + to kill the firmware and get into the broken state until computer is + rebooted. */ +u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr); + +void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr); +u32 cx18_readl(struct cx18 *cx, const void __iomem *addr); + +/* No endiannes conversion calls */ +void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr); +u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr); + +/* Access "register" region of CX23418 memory mapped I/O */ +u32 cx18_read_reg(struct cx18 *cx, u32 reg); +void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg); +u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg); + +/* Access "encoder memory" region of CX23418 memory mapped I/O */ +u32 cx18_read_enc(struct cx18 *cx, u32 addr); +void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr); +u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr); + +void cx18_memcpy_fromio(struct cx18 *cx, void *to, + const void __iomem *from, unsigned int len); +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count); + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val); +void cx18_setup_page(struct cx18 *cx, u32 addr); + +/* Tries to recover from the CX23418 responding improperly on the PCI bus */ +int cx18_pci_try_recover(struct cx18 *cx); + +#endif /* CX18_IO_H */ diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 84507a39f2b8..8b26b3fefb1e 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-version.h" #include "cx18-mailbox.h" #include "cx18-i2c.h" @@ -286,9 +287,9 @@ static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) spin_lock_irqsave(&cx18_cards_lock, flags); if (cmd == VIDIOC_DBG_G_REGISTER) - regs->val = read_enc(regs->reg); + regs->val = cx18_read_enc(cx, regs->reg); else - write_enc(regs->val, regs->reg); + cx18_write_enc(cx, regs->val, regs->reg); spin_unlock_irqrestore(&cx18_cards_lock, flags); return 0; } diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c index ab218315c84b..55a50a2b048d 100644 --- a/drivers/media/video/cx18/cx18-irq.c +++ b/drivers/media/video/cx18/cx18-irq.c @@ -20,6 +20,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-firmware.h" #include "cx18-fileops.h" #include "cx18-queue.h" @@ -60,8 +61,8 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) if (mb->args[2] != 1) CX18_WARN("Ack struct = %d for %s\n", mb->args[2], s->name); - id = read_enc(off); - buf = cx18_queue_get_buf_irq(s, id, read_enc(off + 4)); + id = cx18_read_enc(cx, off); + buf = cx18_queue_get_buf_irq(s, id, cx18_read_enc(cx, off + 4)); CX18_DEBUG_HI_DMA("DMA DONE for %s (buffer %d)\n", s->name, id); if (buf) { cx18_buf_sync_for_cpu(s, buf); @@ -81,7 +82,7 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags); } else { CX18_WARN("Could not find buf %d for stream %s\n", - read_enc(off), s->name); + cx18_read_enc(cx, off), s->name); } mb->error = 0; mb->cmd = 0; @@ -97,8 +98,8 @@ static void epu_debug(struct cx18 *cx, struct cx18_mailbox *mb) char *p; if (mb->args[1]) { - setup_page(mb->args[1]); - memcpy_fromio(str, cx->enc_mem + mb->args[1], 252); + cx18_setup_page(cx, mb->args[1]); + cx18_memcpy_fromio(cx, str, cx->enc_mem + mb->args[1], 252); str[252] = 0; } cx18_mb_ack(cx, mb); @@ -113,7 +114,7 @@ static void hpu_cmd(struct cx18 *cx, u32 sw1) struct cx18_mailbox mb; if (sw1 & IRQ_CPU_TO_EPU) { - memcpy_fromio(&mb, &cx->scb->cpu2epu_mb, sizeof(mb)); + cx18_memcpy_fromio(cx, &mb, &cx->scb->cpu2epu_mb, sizeof(mb)); mb.error = 0; switch (mb.cmd) { @@ -141,16 +142,16 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) spin_lock(&cx->dma_reg_lock); - hw2_mask = read_reg(HW2_INT_MASK5_PCI); - hw2 = read_reg(HW2_INT_CLR_STATUS) & hw2_mask; - sw2_mask = read_reg(SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; - sw2 = read_reg(SW2_INT_STATUS) & sw2_mask; - sw1_mask = read_reg(SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; - sw1 = read_reg(SW1_INT_STATUS) & sw1_mask; + hw2_mask = cx18_read_reg(cx, HW2_INT_MASK5_PCI); + hw2 = cx18_read_reg(cx, HW2_INT_CLR_STATUS) & hw2_mask; + sw2_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU_ACK; + sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & sw2_mask; + sw1_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | IRQ_EPU_TO_HPU; + sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & sw1_mask; - write_reg(sw2&sw2_mask, SW2_INT_STATUS); - write_reg(sw1&sw1_mask, SW1_INT_STATUS); - write_reg(hw2&hw2_mask, HW2_INT_CLR_STATUS); + cx18_write_reg(cx, sw2&sw2_mask, SW2_INT_STATUS); + cx18_write_reg(cx, sw1&sw1_mask, SW1_INT_STATUS); + cx18_write_reg(cx, hw2&hw2_mask, HW2_INT_CLR_STATUS); if (sw1 || sw2 || hw2) CX18_DEBUG_HI_IRQ("SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2); @@ -161,15 +162,15 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) */ if (sw2) { - if (sw2 & (readl(&cx->scb->cpu2hpu_irq_ack) | - readl(&cx->scb->cpu2epu_irq_ack))) + if (sw2 & (cx18_readl(cx, &cx->scb->cpu2hpu_irq_ack) | + cx18_readl(cx, &cx->scb->cpu2epu_irq_ack))) wake_up(&cx->mb_cpu_waitq); - if (sw2 & (readl(&cx->scb->apu2hpu_irq_ack) | - readl(&cx->scb->apu2epu_irq_ack))) + if (sw2 & (cx18_readl(cx, &cx->scb->apu2hpu_irq_ack) | + cx18_readl(cx, &cx->scb->apu2epu_irq_ack))) wake_up(&cx->mb_apu_waitq); - if (sw2 & readl(&cx->scb->epu2hpu_irq_ack)) + if (sw2 & cx18_readl(cx, &cx->scb->epu2hpu_irq_ack)) wake_up(&cx->mb_epu_waitq); - if (sw2 & readl(&cx->scb->hpu2epu_irq_ack)) + if (sw2 & cx18_readl(cx, &cx->scb->hpu2epu_irq_ack)) wake_up(&cx->mb_hpu_waitq); } diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 1b9fbf9a6bc5..9d18dd22de76 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -22,6 +22,7 @@ #include #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" #include "cx18-irq.h" #include "cx18-mailbox.h" @@ -106,20 +107,20 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu switch (rpu) { case APU: mb = &cx->scb->epu2apu_mb; - *state = readl(&cx->scb->apu_state); - *irq = readl(&cx->scb->epu2apu_irq); + *state = cx18_readl(cx, &cx->scb->apu_state); + *irq = cx18_readl(cx, &cx->scb->epu2apu_irq); break; case CPU: mb = &cx->scb->epu2cpu_mb; - *state = readl(&cx->scb->cpu_state); - *irq = readl(&cx->scb->epu2cpu_irq); + *state = cx18_readl(cx, &cx->scb->cpu_state); + *irq = cx18_readl(cx, &cx->scb->epu2cpu_irq); break; case HPU: mb = &cx->scb->epu2hpu_mb; - *state = readl(&cx->scb->hpu_state); - *irq = readl(&cx->scb->epu2hpu_irq); + *state = cx18_readl(cx, &cx->scb->hpu_state); + *irq = cx18_readl(cx, &cx->scb->epu2hpu_irq); break; } @@ -127,8 +128,8 @@ static struct cx18_mailbox __iomem *cx18_mb_is_complete(struct cx18 *cx, int rpu return mb; do { - *req = readl(&mb->request); - ack = readl(&mb->ack); + *req = cx18_readl(cx, &mb->request); + ack = cx18_readl(cx, &mb->ack); wait_count++; } while (*req != ack && wait_count < 600); @@ -173,9 +174,9 @@ long cx18_mb_ack(struct cx18 *cx, const struct cx18_mailbox *mb) return -EINVAL; } - setup_page(SCB_OFFSET); - write_sync(mb->request, &ack_mb->ack); - write_reg(ack_irq, SW2_INT_SET); + cx18_setup_page(cx, SCB_OFFSET); + cx18_write_sync(cx, mb->request, &ack_mb->ack); + cx18_write_reg(cx, ack_irq, SW2_INT_SET); return 0; } @@ -200,7 +201,7 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) CX18_DEBUG_HI_API("%s\n", info->name); else CX18_DEBUG_API("%s\n", info->name); - setup_page(SCB_OFFSET); + cx18_setup_page(cx, SCB_OFFSET); mb = cx18_mb_is_complete(cx, info->rpu, &state, &irq, &req); if (mb == NULL) { @@ -209,11 +210,11 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) } oldreq = req - 1; - writel(cmd, &mb->cmd); + cx18_writel(cx, cmd, &mb->cmd); for (i = 0; i < args; i++) - writel(data[i], &mb->args[i]); - writel(0, &mb->error); - writel(req, &mb->request); + cx18_writel(cx, data[i], &mb->args[i]); + cx18_writel(cx, 0, &mb->error); + cx18_writel(cx, req, &mb->request); switch (info->rpu) { case APU: waitq = &cx->mb_apu_waitq; break; @@ -224,9 +225,10 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) } if (info->flags & API_FAST) timeout /= 2; - write_reg(irq, SW1_INT_SET); + cx18_write_reg(cx, irq, SW1_INT_SET); - while (!sig && readl(&mb->ack) != readl(&mb->request) && cnt < 660) { + while (!sig && cx18_readl(cx, &mb->ack) != cx18_readl(cx, &mb->request) + && cnt < 660) { if (cnt > 200 && !in_atomic()) sig = cx18_msleep_timeout(10, 1); cnt++; @@ -234,13 +236,13 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) if (sig) return -EINTR; if (cnt == 660) { - writel(oldreq, &mb->request); + cx18_writel(cx, oldreq, &mb->request); CX18_ERR("mb %s failed\n", info->name); return -EINVAL; } for (i = 0; i < MAX_MB_ARGUMENTS; i++) - data[i] = readl(&mb->args[i]); - err = readl(&mb->error); + data[i] = cx18_readl(cx, &mb->args[i]); + err = cx18_readl(cx, &mb->error); if (!in_atomic() && (info->flags & API_SLOW)) cx18_msleep_timeout(300, 0); if (err) diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index a33ba04a2686..48976833e238 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -170,6 +170,7 @@ int cx18_stream_alloc(struct cx18_stream *s) } buf->id = cx->buffer_id++; INIT_LIST_HEAD(&buf->list); + /* FIXME - check for mmio */ buf->dma_handle = pci_map_single(s->cx->dev, buf->buf, s->buf_size, s->dma); cx18_buf_sync_for_cpu(s, buf); @@ -193,6 +194,7 @@ void cx18_stream_free(struct cx18_stream *s) /* empty q_free */ while ((buf = cx18_dequeue(s, &s->q_free))) { + /* FIXME - check for mmio */ pci_unmap_single(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); kfree(buf->buf); diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h index 7f93bb13c09f..0c7df932d176 100644 --- a/drivers/media/video/cx18/cx18-queue.h +++ b/drivers/media/video/cx18/cx18-queue.h @@ -28,6 +28,7 @@ static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, struct cx18_buffer *buf) { + /* FIXME check IO transfers */ pci_dma_sync_single_for_cpu(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); } @@ -35,6 +36,7 @@ static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, static inline void cx18_buf_sync_for_device(struct cx18_stream *s, struct cx18_buffer *buf) { + /* FIXME check IO transfers */ pci_dma_sync_single_for_device(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); } diff --git a/drivers/media/video/cx18/cx18-scb.c b/drivers/media/video/cx18/cx18-scb.c index 30bc803e30da..f56d3772aa67 100644 --- a/drivers/media/video/cx18/cx18-scb.c +++ b/drivers/media/video/cx18/cx18-scb.c @@ -20,102 +20,103 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-scb.h" void cx18_init_scb(struct cx18 *cx) { - setup_page(SCB_OFFSET); - memset_io(cx->scb, 0, 0x10000); + cx18_setup_page(cx, SCB_OFFSET); + cx18_memset_io(cx, cx->scb, 0, 0x10000); - writel(IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); - writel(IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); - writel(IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); - writel(IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); - writel(IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); - writel(IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); - writel(IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); - writel(IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); - writel(IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); - writel(IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); - writel(IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); - writel(IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); - writel(IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); - writel(IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); - writel(IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); - writel(IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); - writel(IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); - writel(IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); - writel(IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); - writel(IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); - writel(IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); - writel(IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); - writel(IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); - writel(IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); - writel(IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); - writel(IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); - writel(IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); - writel(IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); - writel(IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); - writel(IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); - writel(IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); - writel(IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); - writel(IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); - writel(IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); - writel(IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); - writel(IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); - writel(IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); - writel(IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); - writel(IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); - writel(IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); + cx18_writel(cx, IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), &cx->scb->apu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), &cx->scb->hpu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), &cx->scb->ppu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), &cx->scb->epu2cpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), &cx->scb->cpu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), &cx->scb->hpu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), &cx->scb->ppu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), &cx->scb->epu2apu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), &cx->scb->cpu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), &cx->scb->apu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), &cx->scb->ppu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), &cx->scb->epu2hpu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), &cx->scb->cpu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), &cx->scb->apu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), &cx->scb->hpu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), &cx->scb->epu2ppu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), &cx->scb->cpu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), &cx->scb->apu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), &cx->scb->hpu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), &cx->scb->ppu2epu_mb_offset); - writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), &cx->scb->ipc_offset); - writel(1, &cx->scb->hpu_state); - writel(1, &cx->scb->epu_state); + cx18_writel(cx, 1, &cx->scb->hpu_state); + cx18_writel(cx, 1, &cx->scb->epu_state); } diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 4d5b446895cb..c752a6a4dbd3 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -22,6 +22,7 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-fileops.h" #include "cx18-mailbox.h" #include "cx18-i2c.h" @@ -469,7 +470,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) if (atomic_read(&cx->tot_capturing) == 0) { clear_bit(CX18_F_I_EOS, &cx->i_flags); - write_reg(7, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); } cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, @@ -479,8 +480,9 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) list_for_each(p, &s->q_free.list) { struct cx18_buffer *buf = list_entry(p, struct cx18_buffer, list); - writel(buf->dma_handle, &cx->scb->cpu_mdl[buf->id].paddr); - writel(s->buf_size, &cx->scb->cpu_mdl[buf->id].length); + cx18_writel(cx, buf->dma_handle, + &cx->scb->cpu_mdl[buf->id].paddr); + cx18_writel(cx, s->buf_size, &cx->scb->cpu_mdl[buf->id].length); cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, (void __iomem *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, 1, buf->id, s->buf_size); @@ -563,7 +565,7 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) if (atomic_read(&cx->tot_capturing) > 0) return 0; - write_reg(5, CX18_DSP0_INTERRUPT_MASK); + cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); wake_up(&s->waitq); return 0; -- GitLab From c641d09c60bfa36c7cf70444f24265090e51f5ce Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Mon, 1 Sep 2008 00:40:41 -0300 Subject: [PATCH 3847/6244] V4L/DVB (8914): cx18: Throttle mmio to/from the CX23418 so boards work in older systems cx18: Throttle mmio to/from the CX23418 so boards work in older systems. The CX23418 couldn't reliably handle mmio at the rate at which the cx18 driver was attempting to access the chip. The PCI bridge arrangements and settings on modern motherboards still allowed the CX23418 to work OK, but it didn't work well on many older motherboards: mysterious I2C errors, firmware loading errors, etc. This patch adds a throttle to *all* mmio access to the CX23418. It defaults to a delay of 31 ns, but is adjustable by the mmio_ndelay module parm. My HVR-1600 and Raptor PAL/SECAM card now function for analog capture on a motherboard with an Intel 82810E Northbridge and 82801AA Southbridge. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.c | 18 +++- drivers/media/video/cx18/cx18-driver.h | 4 + drivers/media/video/cx18/cx18-io.c | 115 ++++++++++++------------- drivers/media/video/cx18/cx18-io.h | 115 ++++++++++++++++++++----- drivers/media/video/cx18/cx18-queue.c | 2 - drivers/media/video/cx18/cx18-queue.h | 2 - 6 files changed, 168 insertions(+), 88 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index d31e1ec8d14c..202b28190148 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -4,6 +4,7 @@ * Derived from ivtv-driver.c * * Copyright (C) 2007 Hans Verkuil + * Copyright (C) 2008 Andy Walls * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -74,10 +75,14 @@ static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; - +static int mmio_ndelay[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; static unsigned cardtype_c = 1; static unsigned tuner_c = 1; static unsigned radio_c = 1; +static int mmio_ndelay_c = 1; static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; @@ -96,6 +101,7 @@ int cx18_debug; module_param_array(tuner, int, &tuner_c, 0644); module_param_array(radio, bool, &radio_c, 0644); module_param_array(cardtype, int, &cardtype_c, 0644); +module_param_array(mmio_ndelay, int, &mmio_ndelay_c, 0644); module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); @@ -141,6 +147,11 @@ MODULE_PARM_DESC(debug, MODULE_PARM_DESC(cx18_pci_latency, "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(mmio_ndelay, + "Delay (ns) for each CX23418 memory mapped IO access.\n" + "\t\t\tTry larger values that are close to a multiple of the\n" + "\t\t\tPCI clock period, 30.3 ns, if your card doesn't work.\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_MMIO_NDELAY)); MODULE_PARM_DESC(enc_mpg_buffers, "Encoder MPG Buffers (in MB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); @@ -357,6 +368,11 @@ static void cx18_process_options(struct cx18 *cx) cx->options.tuner = tuner[cx->num]; cx->options.radio = radio[cx->num]; + if (mmio_ndelay[cx->num] < 0) + cx->options.mmio_ndelay = CX18_DEFAULT_MMIO_NDELAY; + else + cx->options.mmio_ndelay = mmio_ndelay[cx->num]; + cx->std = cx18_parse_std(cx); if (cx->options.cardtype == -1) { CX18_INFO("Ignore card\n"); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 2cfdbe445820..cc6f288a6da8 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -63,6 +63,9 @@ # error "This driver requires kernel PCI support." #endif +/* Default delay to throttle mmio access to the CX23418 so it doesn't choke */ +#define CX18_DEFAULT_MMIO_NDELAY 31 /* 30.3 ns = 1 PCI clock(s) / 33 MHz */ + #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 #define CX18_REG_OFFSET 0x02000000 @@ -176,6 +179,7 @@ struct cx18_options { int cardtype; /* force card type on load */ int tuner; /* set tuner on load */ int radio; /* enable/disable radio */ + unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */ }; /* per-buffer bit flags */ diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index c53d9b6e5e46..d92f627d35e4 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -21,76 +21,69 @@ */ #include "cx18-driver.h" +#include "cx18-io.h" #include "cx18-irq.h" -void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) -{ - __raw_writel(val, addr); -} - -u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) -{ - return __raw_readl(addr); -} - -u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr) -{ - writel(val, addr); - return readl(addr); -} - -void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) -{ - writel(val, addr); -} - -u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) -{ - return readl(addr); -} - - -/* Access "register" region of CX23418 memory mapped I/O */ -u32 cx18_read_reg(struct cx18 *cx, u32 reg) -{ - return readl(cx->reg_mem + reg); -} - -void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) -{ - writel(val, cx->reg_mem + reg); -} - -u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg) -{ - return cx18_write_sync(cx, val, cx->reg_mem + reg); -} - -/* Access "encoder memory" region of CX23418 memory mapped I/O */ -u32 cx18_read_enc(struct cx18 *cx, u32 addr) -{ - return readl(cx->enc_mem + addr); -} - -void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) -{ - writel(val, cx->enc_mem + addr); -} - -u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) -{ - return cx18_write_sync(cx, val, cx->enc_mem + addr); -} - void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len) { - memcpy_fromio(to, from, len); + /* Align reads on the CX23418's addresses */ + if ((len > 0) && ((unsigned)from & 1)) { + *((u8 *)to) = cx18_readb(cx, from); + len--; + to++; + from++; + } + if ((len > 1) && ((unsigned)from & 2)) { + *((u16 *)to) = cx18_raw_readw(cx, from); + len -= 2; + to += 2; + from += 2; + } + while (len > 3) { + *((u32 *)to) = cx18_raw_readl(cx, from); + len -= 4; + to += 4; + from += 4; + } + if (len > 1) { + *((u16 *)to) = cx18_raw_readw(cx, from); + len -= 2; + to += 2; + from += 2; + } + if (len > 0) + *((u8 *)to) = cx18_readb(cx, from); } void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) { - memset_io(addr, val, count); + u16 val2 = val | (val << 8); + u32 val4 = val2 | (val2 << 16); + + /* Align writes on the CX23418's addresses */ + if ((count > 0) && ((unsigned)addr & 1)) { + cx18_writeb(cx, (u8) val, addr); + count--; + addr++; + } + if ((count > 1) && ((unsigned)addr & 2)) { + cx18_writew(cx, val2, addr); + count -= 2; + addr += 2; + } + while (count > 3) { + cx18_writel(cx, val4, addr); + count -= 4; + addr += 4; + } + if (count > 1) { + cx18_writew(cx, val2, addr); + count -= 2; + addr += 2; + } + if (count > 0) + cx18_writeb(cx, (u8) val, addr); } void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h index 7c08c0add490..7ab7be2531ca 100644 --- a/drivers/media/video/cx18/cx18-io.h +++ b/drivers/media/video/cx18/cx18-io.h @@ -25,38 +25,109 @@ #include "cx18-driver.h" -/* This is a PCI post thing, where if the pci register is not read, then - the write doesn't always take effect right away. By reading back the - register any pending PCI writes will be performed (in order), and so - you can be sure that the writes are guaranteed to be done. +static inline void cx18_io_delay(struct cx18 *cx) +{ + if (cx->options.mmio_ndelay) + ndelay(cx->options.mmio_ndelay); +} - Rarely needed, only in some timing sensitive cases. - Apparently if this is not done some motherboards seem - to kill the firmware and get into the broken state until computer is - rebooted. */ -u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr); +/* Non byteswapping memory mapped IO */ +static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + __raw_writel(val, addr); + cx18_io_delay(cx); +} -void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr); -u32 cx18_readl(struct cx18 *cx, const void __iomem *addr); +static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +{ + u32 ret = __raw_readl(addr); + cx18_io_delay(cx); + return ret; +} -/* No endiannes conversion calls */ -void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr); -u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr); +static inline u16 cx18_raw_readw(struct cx18 *cx, const void __iomem *addr) +{ + u16 ret = __raw_readw(addr); + cx18_io_delay(cx); + return ret; +} -/* Access "register" region of CX23418 memory mapped I/O */ -u32 cx18_read_reg(struct cx18 *cx, u32 reg); -void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg); -u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg); +/* Normal memory mapped IO */ +static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + writel(val, addr); + cx18_io_delay(cx); +} -/* Access "encoder memory" region of CX23418 memory mapped I/O */ -u32 cx18_read_enc(struct cx18 *cx, u32 addr); -void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr); -u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr); +static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr) +{ + writew(val, addr); + cx18_io_delay(cx); +} + +static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr) +{ + writeb(val, addr); + cx18_io_delay(cx); +} + +static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +{ + u32 ret = readl(addr); + cx18_io_delay(cx); + return ret; +} + +static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr) +{ + u8 ret = readb(addr); + cx18_io_delay(cx); + return ret; +} + +static inline u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr) +{ + cx18_writel(cx, val, addr); + return cx18_readl(cx, addr); +} void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len); void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count); +/* Access "register" region of CX23418 memory mapped I/O */ +static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel(cx, val, cx->reg_mem + reg); +} + +static inline u32 cx18_read_reg(struct cx18 *cx, u32 reg) +{ + return cx18_readl(cx, cx->reg_mem + reg); +} + +static inline u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg) +{ + return cx18_write_sync(cx, val, cx->reg_mem + reg); +} + +/* Access "encoder memory" region of CX23418 memory mapped I/O */ +static inline void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) +{ + cx18_writel(cx, val, cx->enc_mem + addr); +} + +static inline u32 cx18_read_enc(struct cx18 *cx, u32 addr) +{ + return cx18_readl(cx, cx->enc_mem + addr); +} + +static inline u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) +{ + return cx18_write_sync(cx, val, cx->enc_mem + addr); +} + + void cx18_sw1_irq_enable(struct cx18 *cx, u32 val); void cx18_sw1_irq_disable(struct cx18 *cx, u32 val); void cx18_sw2_irq_enable(struct cx18 *cx, u32 val); diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c index 48976833e238..a33ba04a2686 100644 --- a/drivers/media/video/cx18/cx18-queue.c +++ b/drivers/media/video/cx18/cx18-queue.c @@ -170,7 +170,6 @@ int cx18_stream_alloc(struct cx18_stream *s) } buf->id = cx->buffer_id++; INIT_LIST_HEAD(&buf->list); - /* FIXME - check for mmio */ buf->dma_handle = pci_map_single(s->cx->dev, buf->buf, s->buf_size, s->dma); cx18_buf_sync_for_cpu(s, buf); @@ -194,7 +193,6 @@ void cx18_stream_free(struct cx18_stream *s) /* empty q_free */ while ((buf = cx18_dequeue(s, &s->q_free))) { - /* FIXME - check for mmio */ pci_unmap_single(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); kfree(buf->buf); diff --git a/drivers/media/video/cx18/cx18-queue.h b/drivers/media/video/cx18/cx18-queue.h index 0c7df932d176..7f93bb13c09f 100644 --- a/drivers/media/video/cx18/cx18-queue.h +++ b/drivers/media/video/cx18/cx18-queue.h @@ -28,7 +28,6 @@ static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, struct cx18_buffer *buf) { - /* FIXME check IO transfers */ pci_dma_sync_single_for_cpu(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); } @@ -36,7 +35,6 @@ static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, static inline void cx18_buf_sync_for_device(struct cx18_stream *s, struct cx18_buffer *buf) { - /* FIXME check IO transfers */ pci_dma_sync_single_for_device(s->cx->dev, buf->dma_handle, s->buf_size, s->dma); } -- GitLab From ac2b97b13e5627127b8e29dc0e1e1d7be03eaae4 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Thu, 4 Sep 2008 13:16:40 -0300 Subject: [PATCH 3848/6244] V4L/DVB (8915): cx18: Increment u8 pointers not void pointers. cx18: Increment u8 pointers not void pointers. Incrementing void pointers is dubious and the real intent in cx18_memcpy_fromio() and cx18_memset_io() is to increment by bytes, so use u8 pointers instead. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-io.c | 56 ++++++++++++++++-------------- 1 file changed, 30 insertions(+), 26 deletions(-) diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index d92f627d35e4..5d07b0fd8a17 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -27,63 +27,67 @@ void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len) { + const u8 *src = from; + u8 *dst = to; + /* Align reads on the CX23418's addresses */ - if ((len > 0) && ((unsigned)from & 1)) { - *((u8 *)to) = cx18_readb(cx, from); + if ((len > 0) && ((unsigned long) src & 1)) { + *dst = cx18_readb(cx, src); len--; - to++; - from++; + dst++; + src++; } - if ((len > 1) && ((unsigned)from & 2)) { - *((u16 *)to) = cx18_raw_readw(cx, from); + if ((len > 1) && ((unsigned long) src & 2)) { + *((u16 *)dst) = cx18_raw_readw(cx, src); len -= 2; - to += 2; - from += 2; + dst += 2; + src += 2; } while (len > 3) { - *((u32 *)to) = cx18_raw_readl(cx, from); + *((u32 *)dst) = cx18_raw_readl(cx, src); len -= 4; - to += 4; - from += 4; + dst += 4; + src += 4; } if (len > 1) { - *((u16 *)to) = cx18_raw_readw(cx, from); + *((u16 *)dst) = cx18_raw_readw(cx, src); len -= 2; - to += 2; - from += 2; + dst += 2; + src += 2; } if (len > 0) - *((u8 *)to) = cx18_readb(cx, from); + *dst = cx18_readb(cx, src); } void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) { + u8 *dst = addr; u16 val2 = val | (val << 8); u32 val4 = val2 | (val2 << 16); /* Align writes on the CX23418's addresses */ - if ((count > 0) && ((unsigned)addr & 1)) { - cx18_writeb(cx, (u8) val, addr); + if ((count > 0) && ((unsigned long)dst & 1)) { + cx18_writeb(cx, (u8) val, dst); count--; - addr++; + dst++; } - if ((count > 1) && ((unsigned)addr & 2)) { - cx18_writew(cx, val2, addr); + if ((count > 1) && ((unsigned long)dst & 2)) { + cx18_writew(cx, val2, dst); count -= 2; - addr += 2; + dst += 2; } while (count > 3) { - cx18_writel(cx, val4, addr); + cx18_writel(cx, val4, dst); count -= 4; - addr += 4; + dst += 4; } if (count > 1) { - cx18_writew(cx, val2, addr); + cx18_writew(cx, val2, dst); count -= 2; - addr += 2; + dst += 2; } if (count > 0) - cx18_writeb(cx, (u8) val, addr); + cx18_writeb(cx, (u8) val, dst); } void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) -- GitLab From 9afb7377ef16a73d1ae7b089aa853e00a3facea8 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 06:34:44 -0300 Subject: [PATCH 3849/6244] V4L/DVB (8917): saa7134-empress: fix changing the capture standard for non-tuner inputs When changing the standard the saa6752hs was not updated unless the input was the TV tuner. The saa6752hs should be updated regardless of the input. In addition the S_STD and G_STD ioctls for the mpeg video device didn't do anything. This is now fixed: they behave just like S_STD and G_STD on the video0 device. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-empress.c | 25 +++++++---- drivers/media/video/saa7134/saa7134-i2c.c | 10 +++++ drivers/media/video/saa7134/saa7134-video.c | 42 +++++++++++++++---- drivers/media/video/saa7134/saa7134.h | 3 ++ 4 files changed, 64 insertions(+), 16 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 946edf64dc28..9a8766a78a0c 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -303,15 +303,6 @@ static int empress_streamoff(struct file *file, void *priv, return videobuf_streamoff(&dev->empress_tsq); } -static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev, - unsigned int cmd, void *arg) -{ - if (dev->mpeg_i2c_client == NULL) - return -EINVAL; - return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client, - cmd, arg); -} - static int empress_s_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *ctrls) { @@ -431,6 +422,20 @@ static int empress_g_chip_ident(struct file *file, void *fh, return -EINVAL; } +static int empress_s_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_dev *dev = file->private_data; + + return saa7134_s_std_internal(dev, NULL, id); +} + +static int empress_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_dev *dev = file->private_data; + + *id = dev->tvnorm->id; + return 0; +} static const struct file_operations ts_fops = { @@ -465,6 +470,8 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = { .vidioc_g_ctrl = empress_g_ctrl, .vidioc_s_ctrl = empress_s_ctrl, .vidioc_g_chip_ident = empress_g_chip_ident, + .vidioc_s_std = empress_s_std, + .vidioc_g_std = empress_g_std, }; /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c index 5f713e637683..b02965c52476 100644 --- a/drivers/media/video/saa7134/saa7134-i2c.c +++ b/drivers/media/video/saa7134/saa7134-i2c.c @@ -427,6 +427,16 @@ void saa7134_i2c_call_clients(struct saa7134_dev *dev, i2c_clients_command(&dev->i2c_adap, cmd, arg); } +int saa7134_i2c_call_saa6752(struct saa7134_dev *dev, + unsigned int cmd, void *arg) +{ + if (dev->mpeg_i2c_client == NULL) + return -EINVAL; + return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client, + cmd, arg); +} +EXPORT_SYMBOL_GPL(saa7134_i2c_call_saa6752); + int saa7134_i2c_register(struct saa7134_dev *dev) { dev->i2c_adap = saa7134_adap_template; diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 8fd31138f9ad..9aafd5844191 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -628,6 +628,9 @@ void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) if (card_in(dev, dev->ctl_input).tv) saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); + /* Set the correct norm for the saa6752hs. This function + does nothing if there is no saa6752hs. */ + saa7134_i2c_call_saa6752(dev, VIDIOC_S_STD, &dev->tvnorm->id); } static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) @@ -1796,18 +1799,25 @@ static int saa7134_querycap(struct file *file, void *priv, return 0; } -static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id) { - struct saa7134_fh *fh = priv; - struct saa7134_dev *dev = fh->dev; unsigned long flags; unsigned int i; v4l2_std_id fixup; int err; - err = v4l2_prio_check(&dev->prio, &fh->prio); - if (0 != err) - return err; + /* When called from the empress code fh == NULL. + That needs to be fixed somehow, but for now this is + good enough. */ + if (fh) { + err = v4l2_prio_check(&dev->prio, &fh->prio); + if (0 != err) + return err; + } else if (res_locked(dev, RESOURCE_OVERLAY)) { + /* Don't change the std from the mpeg device + if overlay is active. */ + return -EBUSY; + } for (i = 0; i < TVNORMS; i++) if (*id == tvnorms[i].id) @@ -1840,7 +1850,7 @@ static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) *id = tvnorms[i].id; mutex_lock(&dev->lock); - if (res_check(fh, RESOURCE_OVERLAY)) { + if (fh && res_check(fh, RESOURCE_OVERLAY)) { spin_lock_irqsave(&dev->slock, flags); stop_preview(dev, fh); spin_unlock_irqrestore(&dev->slock, flags); @@ -1857,6 +1867,23 @@ static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) mutex_unlock(&dev->lock); return 0; } +EXPORT_SYMBOL_GPL(saa7134_s_std_internal); + +static int saa7134_s_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + + return saa7134_s_std_internal(fh->dev, fh, id); +} + +static int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct saa7134_fh *fh = priv; + struct saa7134_dev *dev = fh->dev; + + *id = dev->tvnorm->id; + return 0; +} static int saa7134_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) @@ -2397,6 +2424,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_qbuf = saa7134_qbuf, .vidioc_dqbuf = saa7134_dqbuf, .vidioc_s_std = saa7134_s_std, + .vidioc_g_std = saa7134_g_std, .vidioc_enum_input = saa7134_enum_input, .vidioc_g_input = saa7134_g_input, .vidioc_s_input = saa7134_s_input, diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index a1e0dad1267b..5e7fc731fab1 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -662,6 +662,8 @@ int saa7134_i2c_register(struct saa7134_dev *dev); int saa7134_i2c_unregister(struct saa7134_dev *dev); void saa7134_i2c_call_clients(struct saa7134_dev *dev, unsigned int cmd, void *arg); +int saa7134_i2c_call_saa6752(struct saa7134_dev *dev, + unsigned int cmd, void *arg); /* ----------------------------------------------------------- */ @@ -674,6 +676,7 @@ extern struct video_device saa7134_radio_template; int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c); int saa7134_g_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, struct v4l2_control *c); int saa7134_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c); +int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_std_id *id); int saa7134_videoport_init(struct saa7134_dev *dev); void saa7134_set_tvnorm_hw(struct saa7134_dev *dev); -- GitLab From ff5f26b40ab43a6c263834665bfa10d6114a27cd Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 07:00:24 -0300 Subject: [PATCH 3850/6244] V4L/DVB (8918): saa6752hs: simplify writing to registers Add some utility functions to set registers. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa6752hs.c | 127 +++++++++--------------- 1 file changed, 49 insertions(+), 78 deletions(-) diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index f40cb0b479b1..1fb6eccdade3 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -224,7 +224,7 @@ static struct saa6752hs_mpeg_params param_defaults = /* ---------------------------------------------------------------------- */ -static int saa6752hs_chip_command(struct i2c_client* client, +static int saa6752hs_chip_command(struct i2c_client *client, enum saa6752hs_command command) { unsigned char buf[3]; @@ -291,54 +291,61 @@ static int saa6752hs_chip_command(struct i2c_client* client, } -static int saa6752hs_set_bitrate(struct i2c_client* client, +static inline void set_reg8(struct i2c_client *client, uint8_t reg, uint8_t val) +{ + u8 buf[2]; + + buf[0] = reg; + buf[1] = val; + i2c_master_send(client, buf, 2); +} + +static inline void set_reg16(struct i2c_client *client, uint8_t reg, uint16_t val) +{ + u8 buf[3]; + + buf[0] = reg; + buf[1] = val >> 8; + buf[2] = val & 0xff; + i2c_master_send(client, buf, 3); +} + +static int saa6752hs_set_bitrate(struct i2c_client *client, struct saa6752hs_state *h) { struct saa6752hs_mpeg_params *params = &h->params; - u8 buf[3]; int tot_bitrate; + int is_384k; /* set the bitrate mode */ - buf[0] = 0x71; - buf[1] = (params->vi_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) ? 0 : 1; - i2c_master_send(client, buf, 2); + set_reg8(client, 0x71, + params->vi_bitrate_mode != V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); /* set the video bitrate */ if (params->vi_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) { /* set the target bitrate */ - buf[0] = 0x80; - buf[1] = params->vi_bitrate >> 8; - buf[2] = params->vi_bitrate & 0xff; - i2c_master_send(client, buf, 3); + set_reg16(client, 0x80, params->vi_bitrate); /* set the max bitrate */ - buf[0] = 0x81; - buf[1] = params->vi_bitrate_peak >> 8; - buf[2] = params->vi_bitrate_peak & 0xff; - i2c_master_send(client, buf, 3); + set_reg16(client, 0x81, params->vi_bitrate_peak); tot_bitrate = params->vi_bitrate_peak; } else { /* set the target bitrate (no max bitrate for CBR) */ - buf[0] = 0x81; - buf[1] = params->vi_bitrate >> 8; - buf[2] = params->vi_bitrate & 0xff; - i2c_master_send(client, buf, 3); + set_reg16(client, 0x81, params->vi_bitrate); tot_bitrate = params->vi_bitrate; } /* set the audio encoding */ - buf[0] = 0x93; - buf[1] = (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3); - i2c_master_send(client, buf, 2); + set_reg8(client, 0x93, + params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3); /* set the audio bitrate */ - buf[0] = 0x94; if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) - buf[1] = V4L2_MPEG_AUDIO_AC3_BITRATE_384K == params->au_ac3_bitrate; + is_384k = V4L2_MPEG_AUDIO_AC3_BITRATE_384K == params->au_ac3_bitrate; else - buf[1] = V4L2_MPEG_AUDIO_L2_BITRATE_384K == params->au_l2_bitrate; - tot_bitrate += buf[1] ? 384 : 256; - i2c_master_send(client, buf, 2); + is_384k = V4L2_MPEG_AUDIO_L2_BITRATE_384K == params->au_l2_bitrate; + set_reg8(client, 0x94, is_384k); + tot_bitrate += is_384k ? 384 : 256; /* Note: the total max bitrate is determined by adding the video and audio bitrates together and also adding an extra 768kbit/s to stay on the @@ -349,16 +356,12 @@ static int saa6752hs_set_bitrate(struct i2c_client* client, tot_bitrate = MPEG_TOTAL_TARGET_BITRATE_MAX; /* set the total bitrate */ - buf[0] = 0xb1; - buf[1] = tot_bitrate >> 8; - buf[2] = tot_bitrate & 0xff; - i2c_master_send(client, buf, 3); - + set_reg16(client, 0xb1, tot_bitrate); return 0; } -static void saa6752hs_set_subsampling(struct i2c_client* client, - struct v4l2_format* f) +static void saa6752hs_set_subsampling(struct i2c_client *client, + struct v4l2_format *f) { struct saa6752hs_state *h = i2c_get_clientdata(client); int dist_352, dist_480, dist_720; @@ -665,51 +668,31 @@ static int saa6752hs_init(struct i2c_client *client, u32 leading_null_bytes) h = i2c_get_clientdata(client); /* Set video format - must be done first as it resets other settings */ - buf[0] = 0x41; - buf[1] = h->video_format; - i2c_master_send(client, buf, 2); + set_reg8(client, 0x41, h->video_format); /* Set number of lines in input signal */ - buf[0] = 0x40; - buf[1] = 0x00; - if (h->standard & V4L2_STD_525_60) - buf[1] = 0x01; - i2c_master_send(client, buf, 2); + set_reg8(client, 0x40, (h->standard & V4L2_STD_525_60) ? 1 : 0); /* set bitrate */ saa6752hs_set_bitrate(client, h); /* Set GOP structure {3, 13} */ - buf[0] = 0x72; - buf[1] = 0x03; - buf[2] = 0x0D; - i2c_master_send(client,buf,3); + set_reg16(client, 0x72, 0x030d); /* Set minimum Q-scale {4} */ - buf[0] = 0x82; - buf[1] = 0x04; - i2c_master_send(client,buf,2); + set_reg8(client, 0x82, 0x04); /* Set maximum Q-scale {12} */ - buf[0] = 0x83; - buf[1] = 0x0C; - i2c_master_send(client,buf,2); + set_reg8(client, 0x83, 0x0c); /* Set Output Protocol */ - buf[0] = 0xD0; - buf[1] = 0x81; - i2c_master_send(client,buf,2); + set_reg8(client, 0xd0, 0x81); /* Set video output stream format {TS} */ - buf[0] = 0xB0; - buf[1] = 0x05; - i2c_master_send(client,buf,2); + set_reg8(client, 0xb0, 0x05); /* Set leading null byte for TS */ - buf[0] = 0xF6; - buf[1] = (leading_null_bytes >> 8) & 0xff; - buf[2] = leading_null_bytes & 0xff; - i2c_master_send(client, buf, 3); + set_reg16(client, 0xf6, leading_null_bytes); /* compute PAT */ memcpy(localPAT, PAT, sizeof(PAT)); @@ -744,33 +727,21 @@ static int saa6752hs_init(struct i2c_client *client, u32 leading_null_bytes) localPMT[size - 1] = crc & 0xFF; /* Set Audio PID */ - buf[0] = 0xC1; - buf[1] = (h->params.ts_pid_audio >> 8) & 0xFF; - buf[2] = h->params.ts_pid_audio & 0xFF; - i2c_master_send(client,buf,3); + set_reg16(client, 0xc1, h->params.ts_pid_audio); /* Set Video PID */ - buf[0] = 0xC0; - buf[1] = (h->params.ts_pid_video >> 8) & 0xFF; - buf[2] = h->params.ts_pid_video & 0xFF; - i2c_master_send(client,buf,3); + set_reg16(client, 0xc0, h->params.ts_pid_video); /* Set PCR PID */ - buf[0] = 0xC4; - buf[1] = (h->params.ts_pid_pcr >> 8) & 0xFF; - buf[2] = h->params.ts_pid_pcr & 0xFF; - i2c_master_send(client,buf,3); + set_reg16(client, 0xc4, h->params.ts_pid_pcr); /* Send SI tables */ i2c_master_send(client, localPAT, sizeof(PAT)); i2c_master_send(client, localPMT, size); /* mute then unmute audio. This removes buzzing artefacts */ - buf[0] = 0xa4; - buf[1] = 1; - i2c_master_send(client, buf, 2); - buf[1] = 0; - i2c_master_send(client, buf, 2); + set_reg8(client, 0xa4, 1); + set_reg8(client, 0xa4, 0); /* start it going */ saa6752hs_chip_command(client, SAA6752HS_COMMAND_START); -- GitLab From effc3466d32108bec7da19aa23c1fddee9cafbab Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 08:24:37 -0300 Subject: [PATCH 3851/6244] V4L/DVB (8920): cx18/ivtv: fix check of window boundaries for VIDIOC_S_FMT It was possible to set out-of-bounds windows sizes, this is now fixed. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-ioctl.c | 6 +++--- drivers/media/video/ivtv/ivtv-ioctl.c | 29 ++++++++++----------------- 2 files changed, 14 insertions(+), 21 deletions(-) diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 8b26b3fefb1e..4a47f61d9486 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -171,7 +171,6 @@ static int cx18_try_fmt_vid_cap(struct file *file, void *fh, { struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; - int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; @@ -203,8 +202,7 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; int ret; - int w = fmt->fmt.pix.width; - int h = fmt->fmt.pix.height; + int w, h; ret = v4l2_prio_check(&cx->prio, &id->prio); if (ret) @@ -213,6 +211,8 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh, ret = cx18_try_fmt_vid_cap(file, fh, fmt); if (ret) return ret; + w = fmt->fmt.pix.width; + h = fmt->fmt.pix.height; if (cx->params.width == w && cx->params.height == h) return 0; diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 61030309d0ad..e67bf1b15cf3 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -512,27 +512,20 @@ static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_ static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; - s32 w, h; - int field; - int ret; + s32 w = fmt->fmt.pix.width; + s32 h = fmt->fmt.pix.height; + int field = fmt->fmt.pix.field; + int ret = ivtv_g_fmt_vid_out(file, fh, fmt); - w = fmt->fmt.pix.width; - h = fmt->fmt.pix.height; - field = fmt->fmt.pix.field; - ret = ivtv_g_fmt_vid_out(file, fh, fmt); - fmt->fmt.pix.width = w; - fmt->fmt.pix.height = h; if (!ret && id->type == IVTV_DEC_STREAM_TYPE_YUV) { fmt->fmt.pix.field = field; - if (fmt->fmt.pix.width < 2) - fmt->fmt.pix.width = 2; - if (fmt->fmt.pix.width > 720) - fmt->fmt.pix.width = 720; - if (fmt->fmt.pix.height < 2) - fmt->fmt.pix.height = 2; - if (fmt->fmt.pix.height > 576) - fmt->fmt.pix.height = 576; + w = min(w, 720); + w = max(w, 2); + h = min(h, 576); + h = max(h, 2); } + fmt->fmt.pix.width = w; + fmt->fmt.pix.height = h; return ret; } @@ -560,9 +553,9 @@ static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct cx2341x_mpeg_params *p = &itv->params; + int ret = ivtv_try_fmt_vid_cap(file, fh, fmt); int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; - int ret = ivtv_try_fmt_vid_cap(file, fh, fmt); if (ret) return ret; -- GitLab From 854ad9abcc7c1aa143d1a18409d4f366d4326a80 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 09:56:17 -0300 Subject: [PATCH 3852/6244] V4L/DVB (8921): ivtv: fix incorrect capability and assorted sliced vbi and video out fmt fixes - V4L2_CAP_VBI_OUTPUT is not supported by ivtv, remove it. - ivtv_try_fmt_vid_out also needed to constrain the width/height of MPEG decoder window sizes. - allow empty sliced services. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-cards.h | 2 +- drivers/media/video/ivtv/ivtv-ioctl.c | 22 +++++++++------------- 2 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-cards.h b/drivers/media/video/ivtv/ivtv-cards.h index 381af1bceef8..0b8fe85fb697 100644 --- a/drivers/media/video/ivtv/ivtv-cards.h +++ b/drivers/media/video/ivtv/ivtv-cards.h @@ -154,7 +154,7 @@ #define IVTV_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE | \ V4L2_CAP_SLICED_VBI_CAPTURE) -#define IVTV_CAP_DECODER (V4L2_CAP_VBI_OUTPUT | V4L2_CAP_VIDEO_OUTPUT | \ +#define IVTV_CAP_DECODER (V4L2_CAP_VIDEO_OUTPUT | \ V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_OVERLAY) struct ivtv_card_video_input { diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index e67bf1b15cf3..f00854ad64ea 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -101,18 +101,15 @@ void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) } } -static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +static void check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { int f, l; - u16 set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); - set |= fmt->service_lines[f][l]; } } - return set != 0; } u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt) @@ -474,7 +471,7 @@ static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format int h = fmt->fmt.pix.height; w = min(w, 720); - w = max(w, 1); + w = max(w, 2); h = min(h, itv->is_50hz ? 576 : 480); h = max(h, 2); ivtv_g_fmt_vid_cap(file, fh, fmt); @@ -512,18 +509,18 @@ static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_ static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; + struct ivtv *itv = id->itv; s32 w = fmt->fmt.pix.width; s32 h = fmt->fmt.pix.height; int field = fmt->fmt.pix.field; int ret = ivtv_g_fmt_vid_out(file, fh, fmt); - if (!ret && id->type == IVTV_DEC_STREAM_TYPE_YUV) { + w = min(w, 720); + w = max(w, 2); + h = min(h, itv->is_out_50hz ? 576 : 480); + h = max(h, 2); + if (id->type == IVTV_DEC_STREAM_TYPE_YUV) fmt->fmt.pix.field = field; - w = min(w, 720); - w = max(w, 2); - h = min(h, 576); - h = max(h, 2); - } fmt->fmt.pix.width = w; fmt->fmt.pix.height = h; return ret; @@ -593,8 +590,7 @@ static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_fo if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI) return ret; - if (check_service_set(vbifmt, itv->is_50hz) == 0) - return -EINVAL; + check_service_set(vbifmt, itv->is_50hz); if (atomic_read(&itv->capturing) > 0) return -EBUSY; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); -- GitLab From 446f245977e9c2ac4507c3543c7e2a587f46beab Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 6 Sep 2008 16:43:59 -0300 Subject: [PATCH 3853/6244] V4L/DVB (8924): cx18: Set mmio throttling delay default to 0 nsec. cx18: Set mmio throttling delay default to 0 nsec. Not doing so makes analog tuner audio not work on some mahcines. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index cc6f288a6da8..66cb748875c7 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -63,8 +63,8 @@ # error "This driver requires kernel PCI support." #endif -/* Default delay to throttle mmio access to the CX23418 so it doesn't choke */ -#define CX18_DEFAULT_MMIO_NDELAY 31 /* 30.3 ns = 1 PCI clock(s) / 33 MHz */ +/* Default delay to throttle mmio access to the CX23418 */ +#define CX18_DEFAULT_MMIO_NDELAY 0 /* 0 ns = 0 PCI clock(s) / 33 MHz */ #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 -- GitLab From d654dca7bca79dd3981267e398b6a7df34d3d047 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 6 Sep 2008 04:18:48 -0300 Subject: [PATCH 3854/6244] V4L/DVB (8927): gspca: PAC 207 webcam 093a:2476 added. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/gspca.txt | 1 + drivers/media/video/gspca/pac207.c | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt index 9a3e4d797fa8..89fed5c5add0 100644 --- a/Documentation/video4linux/gspca.txt +++ b/Documentation/video4linux/gspca.txt @@ -181,6 +181,7 @@ pac207 093a:2468 PAC207 pac207 093a:2470 Genius GF112 pac207 093a:2471 Genius VideoCam ge111 pac207 093a:2472 Genius VideoCam ge110 +pac207 093a:2476 Genius e-Messenger 112 pac7311 093a:2600 PAC7311 Typhoon pac7311 093a:2601 Philips SPC 610 NC pac7311 093a:2603 PAC7312 diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c index 83b5f740c947..34e923d00b7e 100644 --- a/drivers/media/video/gspca/pac207.c +++ b/drivers/media/video/gspca/pac207.c @@ -534,6 +534,7 @@ static const __devinitdata struct usb_device_id device_table[] = { {USB_DEVICE(0x093a, 0x2470)}, {USB_DEVICE(0x093a, 0x2471)}, {USB_DEVICE(0x093a, 0x2472)}, + {USB_DEVICE(0x093a, 0x2476)}, {USB_DEVICE(0x2001, 0xf115)}, {} }; -- GitLab From 3371bcc328c7345fe8d69b7a828890b62fb21744 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 6 Sep 2008 04:21:08 -0300 Subject: [PATCH 3855/6244] V4L/DVB (8928): gspca: Version change to 2.3.0. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 496d58d479da..ce5498527fc2 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -43,7 +43,7 @@ MODULE_AUTHOR("Jean-Francois Moine "); MODULE_DESCRIPTION("GSPCA USB Camera Driver"); MODULE_LICENSE("GPL"); -#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 2, 0) +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 3, 0) static int video_nr = -1; -- GitLab From 7b537391dde35d7f412417a95f02f89af08dd2d3 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sun, 7 Sep 2008 11:56:49 -0300 Subject: [PATCH 3856/6244] V4L/DVB (8929): gspca: sonixj webcam 0458:702e added. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/gspca.txt | 1 + drivers/media/video/gspca/sonixj.c | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt index 89fed5c5add0..308ce4ee23d4 100644 --- a/Documentation/video4linux/gspca.txt +++ b/Documentation/video4linux/gspca.txt @@ -42,6 +42,7 @@ zc3xx 0458:7007 Genius VideoCam V2 zc3xx 0458:700c Genius VideoCam V3 zc3xx 0458:700f Genius VideoCam Web V2 sonixj 0458:7025 Genius Eye 311Q +sonixj 0458:702e Genius Slim 310 NB sonixj 045e:00f5 MicroSoft VX3000 sonixj 045e:00f7 MicroSoft VX1000 ov519 045e:028c Micro$oft xbox cam diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 572b0f363b64..cd961cad4f9a 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1567,6 +1567,7 @@ static const struct sd_desc sd_desc = { static const __devinitdata struct usb_device_id device_table[] = { #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE {USB_DEVICE(0x0458, 0x7025), BSI(SN9C120, MI0360, 0x5d)}, + {USB_DEVICE(0x0458, 0x702e), BSI(SN9C120, OV7660, 0x21)}, {USB_DEVICE(0x045e, 0x00f5), BSI(SN9C105, OV7660, 0x21)}, {USB_DEVICE(0x045e, 0x00f7), BSI(SN9C105, OV7660, 0x21)}, {USB_DEVICE(0x0471, 0x0327), BSI(SN9C105, MI0360, 0x5d)}, -- GitLab From 51977a8daab6775b91986b566056eb2a2f10202d Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 8 Sep 2008 03:22:42 -0300 Subject: [PATCH 3857/6244] V4L/DVB (8930): gspca: The image transfer by bulk is started by the subdrivers. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index ce5498527fc2..58761d9809f7 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -185,7 +185,7 @@ static void bulk_irq(struct urb *urb { struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context; struct gspca_frame *frame; - int j, ret; + int j; PDEBUG(D_PACK, "bulk irq"); if (!gspca_dev->streaming) @@ -212,11 +212,6 @@ static void bulk_irq(struct urb *urb urb->transfer_buffer, urb->actual_length); } - /* resubmit the URB */ - urb->status = 0; - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret < 0) - PDEBUG(D_ERR|D_PACK, "usb_submit_urb() ret %d", ret); } /* @@ -502,13 +497,14 @@ static int create_urbs(struct gspca_dev *gspca_dev, PDEBUG(D_STREAM, "isoc %d pkts size %d = bsize:%d", npkt, psize, bsize); + nurbs = DEF_NURBS; } else { npkt = 0; bsize = psize; PDEBUG(D_STREAM, "bulk bsize:%d", bsize); + nurbs = 1; } - nurbs = DEF_NURBS; gspca_dev->nurbs = nurbs; for (n = 0; n < nurbs; n++) { urb = usb_alloc_urb(npkt, GFP_KERNEL); @@ -583,6 +579,10 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) gspca_dev->streaming = 1; atomic_set(&gspca_dev->nevent, 0); + /* start the bulk transfer is done by the subdriver */ + if (gspca_dev->bulk) + break; + /* submit the URBs */ for (n = 0; n < gspca_dev->nurbs; n++) { ret = usb_submit_urb(gspca_dev->urb[n], GFP_KERNEL); -- GitLab From 6c86274fcdf4b3893ee22c1e39ddfb5b05bf0362 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 8 Sep 2008 04:57:26 -0300 Subject: [PATCH 3858/6244] V4L/DVB (8931): gspca: Vflip added for sonixj - ov7630. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 50 +++++++++++++++++++++++++++++- 1 file changed, 49 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index cd961cad4f9a..1d6f2ee1eec8 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -39,6 +39,7 @@ struct sd { unsigned char contrast; unsigned char colors; unsigned char autogain; + __u8 vflip; /* ov7630 only */ signed char ag_cnt; #define AG_CNT_START 13 @@ -70,6 +71,8 @@ static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val); static struct ctrl sd_ctrls[] = { { @@ -131,6 +134,22 @@ static struct ctrl sd_ctrls[] = { .set = sd_setautogain, .get = sd_getautogain, }, +/* ov7630 only */ +#define VFLIP_IDX 4 + { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Vflip", + .minimum = 0, + .maximum = 1, + .step = 1, +#define VFLIP_DEF 0 + .default_value = VFLIP_DEF, + }, + .set = sd_setvflip, + .get = sd_getvflip, + }, }; static struct v4l2_pix_format vga_mode[] = { @@ -434,7 +453,8 @@ static const __u8 ov7630_sensor_init[][8] = { {0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10}, {0xa1, 0x21, 0x12, 0x48, 0x00, 0x00, 0x00, 0x10}, /*fixme: + 0x12, 0x04*/ - {0xa1, 0x21, 0x75, 0x82, 0x00, 0x00, 0x00, 0x10}, +/* {0xa1, 0x21, 0x75, 0x82, 0x00, 0x00, 0x00, 0x10}, * COMN + * set by setvflip */ {0xa1, 0x21, 0x10, 0x32, 0x00, 0x00, 0x00, 0x10}, {0xa1, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10}, {0xb1, 0x21, 0x01, 0x80, 0x80, 0x00, 0x00, 0x10}, @@ -949,6 +969,8 @@ static int sd_config(struct gspca_dev *gspca_dev, gspca_dev->ctrl_dis = (1 << AUTOGAIN_IDX); break; } + if (sd->sensor != SENSOR_OV7630) + gspca_dev->ctrl_dis |= (1 << VFLIP_IDX); return 0; } @@ -1172,6 +1194,14 @@ static void setautogain(struct gspca_dev *gspca_dev) sd->ag_cnt = -1; } +static void setvflip(struct sd *sd) +{ + if (sd->sensor != SENSOR_OV7630) + return; + i2c_w1(&sd->gspca_dev, 0x75, /* COMN */ + sd->vflip ? 0x82 : 0x02); +} + /* -- start the camera -- */ static void sd_start(struct gspca_dev *gspca_dev) { @@ -1263,6 +1293,7 @@ static void sd_start(struct gspca_dev *gspca_dev) break; case SENSOR_OV7630: ov7630_InitSensor(gspca_dev); + setvflip(sd); reg17 = 0xe2; reg1 = 0x44; break; @@ -1546,6 +1577,23 @@ static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->vflip = val; + setvflip(sd); + return 0; +} + +static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->vflip; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, -- GitLab From a50f4a444a14a116e2eb077e01c2eaf58ddb7c6a Mon Sep 17 00:00:00 2001 From: Douglas Schilling Landgraf Date: Mon, 8 Sep 2008 03:23:55 -0300 Subject: [PATCH 3859/6244] V4L/DVB (8936): em28xx-cards: Add vendor/product id for EM2820_BOARD_PROLINK_PLAYTV_USB2 Added vendor/product id for EM2820_BOARD_PROLINK_PLAYTV_USB2 Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.em28xx | 4 ++-- drivers/media/video/em28xx/em28xx-cards.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx index 53449cb99b17..187cc48d0924 100644 --- a/Documentation/video4linux/CARDLIST.em28xx +++ b/Documentation/video4linux/CARDLIST.em28xx @@ -1,5 +1,5 @@ 0 -> Unknown EM2800 video grabber (em2800) [eb1a:2800] - 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2820,eb1a:2821,eb1a:2860,eb1a:2861,eb1a:2870,eb1a:2881,eb1a:2883] + 1 -> Unknown EM2750/28xx video grabber (em2820/em2840) [eb1a:2820,eb1a:2860,eb1a:2861,eb1a:2870,eb1a:2881,eb1a:2883] 2 -> Terratec Cinergy 250 USB (em2820/em2840) [0ccd:0036] 3 -> Pinnacle PCTV USB 2 (em2820/em2840) [2304:0208] 4 -> Hauppauge WinTV USB 2 (em2820/em2840) [2040:4200,2040:4201] @@ -12,7 +12,7 @@ 11 -> Terratec Hybrid XS (em2880) [0ccd:0042] 12 -> Kworld PVR TV 2800 RF (em2820/em2840) 13 -> Terratec Prodigy XS (em2880) [0ccd:0047] - 14 -> Pixelview Prolink PlayTV USB 2.0 (em2820/em2840) + 14 -> Pixelview Prolink PlayTV USB 2.0 (em2820/em2840) [eb1a:2821] 15 -> V-Gear PocketTV (em2800) 16 -> Hauppauge WinTV HVR 950 (em2883) [2040:6513,2040:6517,2040:651b,2040:651f] 17 -> Pinnacle PCTV HD Pro Stick (em2880) [2304:0227] diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index de943cf6c169..01804fac6aa6 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -1101,7 +1101,7 @@ struct usb_device_id em28xx_id_table [] = { { USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN }, { USB_DEVICE(0xeb1a, 0x2821), - .driver_info = EM2820_BOARD_UNKNOWN }, + .driver_info = EM2820_BOARD_PROLINK_PLAYTV_USB2 }, { USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN }, { USB_DEVICE(0xeb1a, 0x2861), -- GitLab From f2a01a0027b29f682c3833d582e2827a4690f661 Mon Sep 17 00:00:00 2001 From: Douglas Schilling Landgraf Date: Mon, 8 Sep 2008 03:27:20 -0300 Subject: [PATCH 3860/6244] V4L/DVB (8937): em28xx: Fix and add some validations Fixed and Added some validations Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-i2c.c | 28 +++++++++++--- drivers/media/video/em28xx/em28xx-video.c | 45 ++++++++++++++++++++--- 2 files changed, 61 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index 2989a65f6917..3bab56b997fc 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -336,8 +336,11 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) /* Check if board has eeprom */ err = i2c_master_recv(&dev->i2c_client, &buf, 0); - if (err < 0) - return -1; + if (err < 0) { + em28xx_errdev("%s: i2c_master_recv failed! err [%d]\n", + __func__, err); + return err; + } buf = 0; @@ -345,7 +348,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) if (err != 1) { printk(KERN_INFO "%s: Huh, no eeprom present (err=%d)?\n", dev->name, err); - return -1; + return err; } while (size > 0) { if (size > 16) @@ -358,7 +361,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) printk(KERN_WARNING "%s: i2c eeprom read error (err=%d)\n", dev->name, err); - return -1; + return err; } size -= block; p += block; @@ -586,18 +589,31 @@ void em28xx_i2c_call_clients(struct em28xx *dev, unsigned int cmd, void *arg) */ int em28xx_i2c_register(struct em28xx *dev) { + int retval; + BUG_ON(!dev->em28xx_write_regs || !dev->em28xx_read_reg); BUG_ON(!dev->em28xx_write_regs_req || !dev->em28xx_read_reg_req); dev->i2c_adap = em28xx_adap_template; dev->i2c_adap.dev.parent = &dev->udev->dev; strcpy(dev->i2c_adap.name, dev->name); dev->i2c_adap.algo_data = dev; - i2c_add_adapter(&dev->i2c_adap); + + retval = i2c_add_adapter(&dev->i2c_adap); + if (retval < 0) { + em28xx_errdev("%s: i2c_add_adapter failed! retval [%d]\n", + __func__, retval); + return retval; + } dev->i2c_client = em28xx_client_template; dev->i2c_client.adapter = &dev->i2c_adap; - em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata)); + retval = em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata)); + if (retval < 0) { + em28xx_errdev("%s: em28xx_i2_eeprom failed! retval [%d]\n", + __func__, retval); + return retval; + } if (i2c_scan) em28xx_do_i2c_scan(dev); diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 600b340e3550..50d2c7a9b3c1 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -513,10 +513,17 @@ static struct videobuf_queue_ops em28xx_video_qops = { */ static int em28xx_config(struct em28xx *dev) { + int retval; /* Sets I2C speed to 100 KHz */ - if (!dev->is_em2800) - em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1); + if (!dev->is_em2800) { + retval = em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1); + if (retval < 0) { + em28xx_errdev("%s: em28xx_write_regs_req failed! retval [%d]\n", + __func__, retval); + return retval; + } + } /* enable vbi capturing */ @@ -1953,13 +1960,23 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, } /* register i2c bus */ - em28xx_i2c_register(dev); + errCode = em28xx_i2c_register(dev); + if (errCode < 0) { + em28xx_errdev("%s: em28xx_i2c_register - errCode [%d]!\n", + __func__, errCode); + return errCode; + } /* Do board specific init and eeprom reading */ em28xx_card_setup(dev); /* Configure audio */ - em28xx_audio_analog_set(dev); + errCode = em28xx_audio_analog_set(dev); + if (errCode < 0) { + em28xx_errdev("%s: em28xx_audio_analog_set - errCode [%d]!\n", + __func__, errCode); + return errCode; + } /* configure the device */ em28xx_config_i2c(dev); @@ -1979,6 +1996,11 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->ctl_input = 2; errCode = em28xx_config(dev); + if (errCode < 0) { + em28xx_errdev("%s: em28xx_config - errCode [%d]!\n", + __func__, errCode); + return errCode; + } list_add_tail(&dev->devlist, &em28xx_devlist); @@ -2031,9 +2053,20 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, if (dev->has_msp34xx) { /* Send a reset to other chips via gpio */ - em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1); + errCode = em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1); + if (errCode < 0) { + em28xx_errdev("%s: em28xx_write_regs_req - msp34xx(1) failed! errCode [%d]\n", + __func__, errCode); + return errCode; + } msleep(3); - em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1); + + errCode = em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1); + if (errCode < 0) { + em28xx_errdev("%s: em28xx_write_regs_req - msp34xx(2) failed! errCode [%d]\n", + __func__, errCode); + return errCode; + } msleep(3); } -- GitLab From 2796073a3d9cc4f610f1e68b3f62c197d86577ab Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 14:02:43 -0300 Subject: [PATCH 3861/6244] V4L/DVB (8939): cx18: fix sparse warnings Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-driver.c | 2 +- drivers/media/video/cx18/cx18-io.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 202b28190148..4de7b501f207 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -82,7 +82,7 @@ static int mmio_ndelay[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, static unsigned cardtype_c = 1; static unsigned tuner_c = 1; static unsigned radio_c = 1; -static int mmio_ndelay_c = 1; +static unsigned mmio_ndelay_c = 1; static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index 5d07b0fd8a17..55d1df93292a 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -27,7 +27,7 @@ void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len) { - const u8 *src = from; + const u8 __iomem *src = from; u8 *dst = to; /* Align reads on the CX23418's addresses */ @@ -61,7 +61,7 @@ void cx18_memcpy_fromio(struct cx18 *cx, void *to, void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) { - u8 *dst = addr; + u8 __iomem *dst = addr; u16 val2 = val | (val << 8); u32 val4 = val2 | (val2 << 16); -- GitLab From 6bd6dff6318397b1127dd256b65dde007306b8ea Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 15:26:44 -0300 Subject: [PATCH 3862/6244] V4L/DVB (8940): saa7115: fix saa7111(a) support The saa7111 support in saa7115.c was missing some features and did not properly take some of the differences into account. With this patch saa7115 can be used in the mxb driver instead of saa7111.c. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7115.c | 34 +++++++++++++++++++++++++++++----- include/media/saa7115.h | 19 +++++++++++++------ include/media/v4l2-common.h | 12 ++++++++---- 3 files changed, 50 insertions(+), 15 deletions(-) diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index ad733caec720..4ed7d65dd634 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -1309,10 +1309,13 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar case VIDIOC_INT_S_VIDEO_ROUTING: { struct v4l2_routing *route = arg; + u32 input = route->input; + u8 mask = (state->ident == V4L2_IDENT_SAA7111) ? 0xf8 : 0xf0; v4l_dbg(1, debug, client, "decoder set input %d output %d\n", route->input, route->output); - /* saa7113 does not have these inputs */ - if (state->ident == V4L2_IDENT_SAA7113 && + /* saa7111/3 does not have these inputs */ + if ((state->ident == V4L2_IDENT_SAA7113 || + state->ident == V4L2_IDENT_SAA7111) && (route->input == SAA7115_COMPOSITE4 || route->input == SAA7115_COMPOSITE5)) { return -EINVAL; @@ -1327,10 +1330,23 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar (route->input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite", (route->output == SAA7115_IPORT_ON) ? "iport on" : "iport off"); state->input = route->input; + /* saa7111 has slightly different input numbering */ + if (state->ident == V4L2_IDENT_SAA7111) { + if (input >= SAA7115_COMPOSITE4) + input -= 2; + /* saa7111 specific */ + saa711x_write(client, R_10_CHROMA_CNTL_2, + (saa711x_read(client, R_10_CHROMA_CNTL_2) & 0x3f) | + ((route->output & 0xc0) ^ 0x40)); + saa711x_write(client, R_13_RT_X_PORT_OUT_CNTL, + (saa711x_read(client, R_13_RT_X_PORT_OUT_CNTL) & 0xf0) | + ((route->output & 2) ? 0x0a : 0)); + } + /* select mode */ saa711x_write(client, R_02_INPUT_CNTL_1, - (saa711x_read(client, R_02_INPUT_CNTL_1) & 0xf0) | - state->input); + (saa711x_read(client, R_02_INPUT_CNTL_1) & mask) | + input); /* bypass chrominance trap for S-Video modes */ saa711x_write(client, R_09_LUMA_CNTL, @@ -1384,6 +1400,13 @@ static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *ar saa711x_writeregs(client, saa7115_cfg_reset_scaler); break; + case VIDIOC_INT_S_GPIO: + if (state->ident != V4L2_IDENT_SAA7111) + return -EINVAL; + saa711x_write(client, 0x11, (saa711x_read(client, 0x11) & 0x7f) | + (*(u32 *)arg ? 0x80 : 0)); + break; + case VIDIOC_INT_G_VBI_DATA: { struct v4l2_sliced_vbi_data *data = arg; @@ -1539,7 +1562,8 @@ static int saa7115_probe(struct i2c_client *client, state->crystal_freq = SAA7115_FREQ_32_11_MHZ; saa711x_writeregs(client, saa7115_init_auto_input); } - saa711x_writeregs(client, saa7115_init_misc); + if (state->ident != V4L2_IDENT_SAA7111) + saa711x_writeregs(client, saa7115_init_misc); saa711x_set_v4lstd(client, V4L2_STD_NTSC); v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n", diff --git a/include/media/saa7115.h b/include/media/saa7115.h index f677dfb9d373..bab212719591 100644 --- a/include/media/saa7115.h +++ b/include/media/saa7115.h @@ -1,5 +1,5 @@ /* - saa7115.h - definition for saa7113/4/5 inputs and frequency flags + saa7115.h - definition for saa7111/3/4/5 inputs and frequency flags Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl) @@ -21,13 +21,13 @@ #ifndef _SAA7115_H_ #define _SAA7115_H_ -/* SAA7113/4/5 HW inputs */ +/* SAA7111/3/4/5 HW inputs */ #define SAA7115_COMPOSITE0 0 #define SAA7115_COMPOSITE1 1 #define SAA7115_COMPOSITE2 2 #define SAA7115_COMPOSITE3 3 -#define SAA7115_COMPOSITE4 4 /* not available for the saa7113 */ -#define SAA7115_COMPOSITE5 5 /* not available for the saa7113 */ +#define SAA7115_COMPOSITE4 4 /* not available for the saa7111/3 */ +#define SAA7115_COMPOSITE5 5 /* not available for the saa7111/3 */ #define SAA7115_SVIDEO0 6 #define SAA7115_SVIDEO1 7 #define SAA7115_SVIDEO2 8 @@ -42,8 +42,15 @@ #define SAA7115_FREQ_FL_CGCDIV (1 << 1) /* SA 3A[6], CGCDIV, SAA7115 only */ #define SAA7115_FREQ_FL_APLL (1 << 2) /* SA 3A[3], APLL, SAA7114/5 only */ -#define SAA7115_IPORT_ON 1 -#define SAA7115_IPORT_OFF 0 +#define SAA7115_IPORT_ON 1 +#define SAA7115_IPORT_OFF 0 + +/* SAA7111 specific output flags */ +#define SAA7111_VBI_BYPASS 2 +#define SAA7111_FMT_YUV422 0x00 +#define SAA7111_FMT_RGB 0x40 +#define SAA7111_FMT_CCIR 0x80 +#define SAA7111_FMT_YUV411 0xc0 #endif diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 0c195ccd45d2..2f8719abf5cb 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -225,18 +225,22 @@ struct v4l2_crystal_freq { An extra flags field allows device specific configuration regarding clock frequency dividers, etc. If not used, then set flags to 0. If the frequency is not supported, then -EINVAL is returned. */ -#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW ('d', 113, struct v4l2_crystal_freq) +#define VIDIOC_INT_S_CRYSTAL_FREQ _IOW('d', 113, struct v4l2_crystal_freq) /* Initialize the sensor registors to some sort of reasonable default values. */ -#define VIDIOC_INT_INIT _IOW ('d', 114, u32) +#define VIDIOC_INT_INIT _IOW('d', 114, u32) /* Set v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. */ -#define VIDIOC_INT_S_STD_OUTPUT _IOW ('d', 115, v4l2_std_id) +#define VIDIOC_INT_S_STD_OUTPUT _IOW('d', 115, v4l2_std_id) /* Get v4l2_std_id for video OUTPUT devices. This is ignored by video input devices. */ -#define VIDIOC_INT_G_STD_OUTPUT _IOW ('d', 116, v4l2_std_id) +#define VIDIOC_INT_G_STD_OUTPUT _IOW('d', 116, v4l2_std_id) + +/* Set GPIO pins. Very simple right now, might need to be extended with + a v4l2_gpio struct if a direction is also needed. */ +#define VIDIOC_INT_S_GPIO _IOW('d', 117, u32) #endif /* V4L2_COMMON_H_ */ -- GitLab From 707ecf4603a9439dcf409e13c5e9ed4e164ddfff Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 15:40:25 -0300 Subject: [PATCH 3863/6244] V4L/DVB (8941): mxb/tda9840: cleanups, use module saa7115 instead of saa7111. Cleanup tda9840 and use a v4l2 API to get the tuner subchannels. Do some cleanups in mxb and switch to saa7115 instead of the saa7111 module. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 2 +- drivers/media/video/mxb.c | 213 +++++++++------------------------- drivers/media/video/tda9840.c | 112 +++++++++++------- drivers/media/video/tda9840.h | 21 ---- 4 files changed, 122 insertions(+), 226 deletions(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 7f7482bff142..e28e292fe202 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -691,7 +691,7 @@ config VIDEO_MXB depends on PCI && VIDEO_V4L1 && I2C select VIDEO_SAA7146_VV select VIDEO_TUNER - select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_SAA7115 if VIDEO_HELPER_CHIPS_AUTO select VIDEO_TDA9840 if VIDEO_HELPER_CHIPS_AUTO select VIDEO_TEA6415C if VIDEO_HELPER_CHIPS_AUTO select VIDEO_TEA6420 if VIDEO_HELPER_CHIPS_AUTO diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index 7c9820c72a6f..621d17408297 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -27,6 +27,7 @@ #include #include #include +#include #include "mxb.h" #include "tea6415c.h" @@ -122,6 +123,8 @@ static struct saa7146_extension_ioctls ioctls[] = { { VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE }, { VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE }, { VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE }, + { VIDIOC_DBG_G_REGISTER, SAA7146_EXCLUSIVE }, + { VIDIOC_DBG_S_REGISTER, SAA7146_EXCLUSIVE }, { MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */ { MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */ { 0, 0 } @@ -154,20 +157,20 @@ static int mxb_check_clients(struct device *dev, void *data) struct mxb* mxb = data; struct i2c_client *client = i2c_verify_client(dev); - if( !client ) + if (!client) return 0; - if( I2C_ADDR_TEA6420_1 == client->addr ) + if (I2C_ADDR_TEA6420_1 == client->addr) mxb->tea6420_1 = client; - if( I2C_ADDR_TEA6420_2 == client->addr ) + if (I2C_ADDR_TEA6420_2 == client->addr) mxb->tea6420_2 = client; - if( I2C_TEA6415C_2 == client->addr ) + if (I2C_TEA6415C_2 == client->addr) mxb->tea6415c = client; - if( I2C_ADDR_TDA9840 == client->addr ) + if (I2C_ADDR_TDA9840 == client->addr) mxb->tda9840 = client; - if( I2C_SAA7111 == client->addr ) + if (I2C_SAA7111 == client->addr) mxb->saa7111a = client; - if( 0x60 == client->addr ) + if (0x60 == client->addr) mxb->tuner = client; return 0; @@ -178,23 +181,28 @@ static int mxb_probe(struct saa7146_dev* dev) struct mxb* mxb = NULL; int result; - if ((result = request_module("saa7111")) < 0) { + result = request_module("saa7115"); + if (result < 0) { printk("mxb: saa7111 i2c module not available.\n"); return -ENODEV; } - if ((result = request_module("tea6420")) < 0) { + result = request_module("tea6420"); + if (result < 0) { printk("mxb: tea6420 i2c module not available.\n"); return -ENODEV; } - if ((result = request_module("tea6415c")) < 0) { + result = request_module("tea6415c"); + if (result < 0) { printk("mxb: tea6415c i2c module not available.\n"); return -ENODEV; } - if ((result = request_module("tda9840")) < 0) { + result = request_module("tda9840"); + if (result < 0) { printk("mxb: tda9840 i2c module not available.\n"); return -ENODEV; } - if ((result = request_module("tuner")) < 0) { + result = request_module("tuner"); + if (result < 0) { printk("mxb: tuner i2c module not available.\n"); return -ENODEV; } @@ -293,37 +301,6 @@ static struct { {-1, { 0} } }; -static const unsigned char mxb_saa7111_init[] = { - 0x00, 0x00, /* 00 - ID byte */ - 0x01, 0x00, /* 01 - reserved */ - - /*front end */ - 0x02, 0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */ - 0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */ - 0x04, 0x00, /* 04 - GAI1=256 */ - 0x05, 0x00, /* 05 - GAI2=256 */ - - /* decoder */ - 0x06, 0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */ - 0x07, 0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */ - 0x08, 0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */ - 0x09, 0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */ - 0x0a, 0x80, /* 0a - BRIG=128 */ - 0x0b, 0x47, /* 0b - CONT=1.109 */ - 0x0c, 0x40, /* 0c - SATN=1.0 */ - 0x0d, 0x00, /* 0d - HUE=0 */ - 0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */ - 0x0f, 0x00, /* 0f - reserved */ - 0x10, 0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */ - 0x11, 0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */ - 0x12, 0x80, /* 12 - xx output control 2 */ - 0x13, 0x30, /* 13 - xx output control 3 */ - 0x14, 0x00, /* 14 - reserved */ - 0x15, 0x15, /* 15 - VBI */ - 0x16, 0x04, /* 16 - VBI */ - 0x17, 0x00, /* 17 - VBI */ -}; - /* bring hardware to a sane state. this has to be done, just in case someone wants to capture from this device before it has been properly initialized. the capture engine would badly fail, because no valid signal arrives on the @@ -331,37 +308,29 @@ static const unsigned char mxb_saa7111_init[] = { static int mxb_init_done(struct saa7146_dev* dev) { struct mxb* mxb = (struct mxb*)dev->ext_priv; - struct video_decoder_init init; struct i2c_msg msg; struct tuner_setup tun_setup; v4l2_std_id std = V4L2_STD_PAL_BG; + struct v4l2_routing route; int i = 0, err = 0; struct tea6415c_multiplex vm; /* select video mode in saa7111a */ - i = VIDEO_MODE_PAL; /* fixme: currently pointless: gets overwritten by configuration below */ - mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i); - - /* write configuration to saa7111a */ - init.data = mxb_saa7111_init; - init.len = sizeof(mxb_saa7111_init); - mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init); + mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_S_STD, &std); /* select tuner-output on saa7111a */ i = 0; - mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i); - - /* enable vbi bypass */ - i = 1; - mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i); + route.input = SAA7115_COMPOSITE0; + route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS; + mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route); /* select a tuner type */ tun_setup.mode_mask = T_ANALOG_TV; tun_setup.addr = ADDR_UNSET; tun_setup.type = TUNER_PHILIPS_PAL; - mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE_ADDR, &tun_setup); + mxb->tuner->driver->command(mxb->tuner, TUNER_SET_TYPE_ADDR, &tun_setup); /* tune in some frequency on tuner */ mxb->cur_freq.tuner = 0; mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV; @@ -393,7 +362,6 @@ static int mxb_init_done(struct saa7146_dev* dev) mxb->cur_mute = 1; mxb->cur_mode = V4L2_TUNER_MODE_STEREO; - mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode); /* check if the saa7740 (aka 'sound arena module') is present on the mxb. if so, we must initialize it. due to lack of @@ -626,7 +594,8 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) case VIDIOC_S_INPUT: { int input = *(int *)arg; - struct tea6415c_multiplex vm; + struct tea6415c_multiplex vm; + struct v4l2_routing route; int i = 0; DEB_EE(("VIDIOC_S_INPUT %d.\n",input)); @@ -635,19 +604,6 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) return -EINVAL; } - /* fixme: locke das setzen des inputs mit hilfe des mutexes - mutex_lock(&dev->lock); - video_mux(dev,*i); - mutex_unlock(&dev->lock); - */ - - /* fixme: check if streaming capture - if ( 0 != dev->streaming ) { - DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n")); - return -EPERM; - } - */ - mxb->cur_input = input; saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync); @@ -658,7 +614,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) case TUNER: { - i = 0; + i = SAA7115_COMPOSITE0; vm.in = 3; vm.out = 17; @@ -675,19 +631,19 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { /* nothing to be done here. aux3_yc is directly connected to the saa711a */ - i = 5; + i = SAA7115_SVIDEO1; break; } case AUX3: { /* nothing to be done here. aux3 is directly connected to the saa711a */ - i = 1; + i = SAA7115_COMPOSITE1; break; } case AUX1: { - i = 0; + i = SAA7115_COMPOSITE0; vm.in = 1; vm.out = 17; break; @@ -712,9 +668,10 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) } /* switch video in saa7111a */ - if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) { + route.input = i; + route.output = 0; + if (mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route)) printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n"); - } /* switch the audio-source only if necessary */ if( 0 == mxb->cur_mute ) { @@ -727,105 +684,35 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) case VIDIOC_G_TUNER: { struct v4l2_tuner *t = arg; - int byte = 0; - if( 0 != t->index ) { + if (t->index) { DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index)); return -EINVAL; } DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index)); - memset(t,0,sizeof(*t)); + memset(t, 0, sizeof(*t)); + i2c_clients_command(&mxb->i2c_adapter, cmd, arg); - strlcpy(t->name, "Television", sizeof(t->name)); + strlcpy(t->name, "TV Tuner", sizeof(t->name)); t->type = V4L2_TUNER_ANALOG_TV; - t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; - t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */ - t->rangehigh = 13684; /* 855.25 MHz / 62.5 kHz = 13684 */ - /* FIXME: add the real signal strength here */ - t->signal = 0xffff; - t->afc = 0; - mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte); + t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | \ + V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; t->audmode = mxb->cur_mode; - - if( byte < 0 ) { - t->rxsubchans = V4L2_TUNER_SUB_MONO; - } else { - switch(byte) { - case TDA9840_MONO_DETECT: { - t->rxsubchans = V4L2_TUNER_SUB_MONO; - DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n")); - break; - } - case TDA9840_DUAL_DETECT: { - t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n")); - break; - } - case TDA9840_STEREO_DETECT: { - t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO; - DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n")); - break; - } - default: { /* TDA9840_INCORRECT_DETECT */ - t->rxsubchans = V4L2_TUNER_MODE_MONO; - DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n")); - break; - } - } - } - return 0; } case VIDIOC_S_TUNER: { struct v4l2_tuner *t = arg; - int result = 0; - int byte = 0; - if( 0 != t->index ) { + if (t->index) { DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index)); return -EINVAL; } - switch(t->audmode) { - case V4L2_TUNER_MODE_STEREO: { - mxb->cur_mode = V4L2_TUNER_MODE_STEREO; - byte = TDA9840_SET_STEREO; - DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n")); - break; - } - case V4L2_TUNER_MODE_LANG1_LANG2: { - mxb->cur_mode = V4L2_TUNER_MODE_LANG1_LANG2; - byte = TDA9840_SET_BOTH; - DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1_LANG2\n")); - break; - } - case V4L2_TUNER_MODE_LANG1: { - mxb->cur_mode = V4L2_TUNER_MODE_LANG1; - byte = TDA9840_SET_LANG1; - DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n")); - break; - } - case V4L2_TUNER_MODE_LANG2: { - mxb->cur_mode = V4L2_TUNER_MODE_LANG2; - byte = TDA9840_SET_LANG2; - DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n")); - break; - } - default: { /* case V4L2_TUNER_MODE_MONO: {*/ - mxb->cur_mode = V4L2_TUNER_MODE_MONO; - byte = TDA9840_SET_MONO; - DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n")); - break; - } - } - - if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) { - printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte); - } - + mxb->cur_mode = t->audmode; + i2c_clients_command(&mxb->i2c_adapter, cmd, arg); return 0; } case VIDIOC_G_FREQUENCY: @@ -852,8 +739,8 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) if (V4L2_TUNER_ANALOG_TV != f->type) return -EINVAL; - if(0 != mxb->cur_input) { - DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input)); + if (mxb->cur_input) { + DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input)); return -EINVAL; } @@ -921,6 +808,10 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index)); return 0; } + case VIDIOC_DBG_S_REGISTER: + case VIDIOC_DBG_G_REGISTER: + i2c_clients_command(&mxb->i2c_adapter, cmd, arg); + break; default: /* DEB2(printk("does not handle this ioctl.\n")); @@ -943,7 +834,7 @@ static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standa /* set the 7146 gpio register -- I don't know what this does exactly */ saa7146_write(dev, GPIO_CTRL, 0x00404050); /* unset the 7111 gpio register -- I don't know what this does exactly */ - mxb->saa7111a->driver->command(mxb->saa7111a, DECODER_SET_GPIO, &zero); + mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_GPIO, &zero); mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std); } else { v4l2_std_id std = V4L2_STD_PAL_BG; @@ -952,7 +843,7 @@ static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standa /* set the 7146 gpio register -- I don't know what this does exactly */ saa7146_write(dev, GPIO_CTRL, 0x00404050); /* set the 7111 gpio register -- I don't know what this does exactly */ - mxb->saa7111a->driver->command(mxb->saa7111a, DECODER_SET_GPIO, &one); + mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_GPIO, &one); mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std); } return 0; diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index 57deeb893318..77bfd24ecfae 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -47,6 +47,15 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)"); #define STEREO_ADJUST 0x03 #define TEST 0x04 +#define TDA9840_SET_MUTE 0x00 +#define TDA9840_SET_MONO 0x10 +#define TDA9840_SET_STEREO 0x2a +#define TDA9840_SET_LANG1 0x12 +#define TDA9840_SET_LANG2 0x1e +#define TDA9840_SET_BOTH 0x1a +#define TDA9840_SET_BOTH_R 0x16 +#define TDA9840_SET_EXTERNAL 0x7a + /* addresses to scan, found only at 0x42 (7-Bit) */ static unsigned short normal_i2c[] = { I2C_ADDR_TDA9840, I2C_CLIENT_END }; @@ -62,26 +71,74 @@ static void tda9840_write(struct i2c_client *client, u8 reg, u8 val) static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) { - int result; + int result = 0; int byte = *(int *)arg; switch (cmd) { - case TDA9840_SWITCH: + case VIDIOC_S_TUNER: { + struct v4l2_tuner *t = arg; + int byte; + + if (t->index) + return -EINVAL; + + switch (t->audmode) { + case V4L2_TUNER_MODE_STEREO: + byte = TDA9840_SET_STEREO; + break; + case V4L2_TUNER_MODE_LANG1_LANG2: + byte = TDA9840_SET_BOTH; + break; + case V4L2_TUNER_MODE_LANG1: + byte = TDA9840_SET_LANG1; + break; + case V4L2_TUNER_MODE_LANG2: + byte = TDA9840_SET_LANG2; + break; + default: + byte = TDA9840_SET_MONO; + break; + } v4l_dbg(1, debug, client, "TDA9840_SWITCH: 0x%02x\n", byte); + tda9840_write(client, SWITCH, byte); + break; + } + + case VIDIOC_G_TUNER: { + struct v4l2_tuner *t = arg; + u8 byte; - if (byte != TDA9840_SET_MONO - && byte != TDA9840_SET_MUTE - && byte != TDA9840_SET_STEREO - && byte != TDA9840_SET_LANG1 - && byte != TDA9840_SET_LANG2 - && byte != TDA9840_SET_BOTH - && byte != TDA9840_SET_BOTH_R - && byte != TDA9840_SET_EXTERNAL) { + t->rxsubchans = V4L2_TUNER_SUB_MONO; + if (1 != i2c_master_recv(client, &byte, 1)) { + v4l_dbg(1, debug, client, + "i2c_master_recv() failed\n"); + return -EIO; + } + + if (byte & 0x80) { + v4l_dbg(1, debug, client, + "TDA9840_DETECT: register contents invalid\n"); return -EINVAL; } - tda9840_write(client, SWITCH, byte); + v4l_dbg(1, debug, client, "TDA9840_DETECT: byte: 0x%02x\n", byte); + + switch (byte & 0x60) { + case 0x00: + t->rxsubchans = V4L2_TUNER_SUB_MONO; + break; + case 0x20: + t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + break; + case 0x40: + t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO; + break; + default: /* Incorrect detect */ + t->rxsubchans = V4L2_TUNER_MODE_MONO; + break; + } break; + } case TDA9840_LEVEL_ADJUST: v4l_dbg(1, debug, client, "TDA9840_LEVEL_ADJUST: %d\n", byte); @@ -115,36 +172,6 @@ static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) tda9840_write(client, STEREO_ADJUST, byte); break; - - case TDA9840_DETECT: { - int *ret = (int *)arg; - - byte = i2c_smbus_read_byte_data(client, STEREO_ADJUST); - if (byte == -1) { - v4l_dbg(1, debug, client, - "i2c_smbus_read_byte_data() failed\n"); - return -EIO; - } - - if (byte & 0x80) { - v4l_dbg(1, debug, client, - "TDA9840_DETECT: register contents invalid\n"); - return -EINVAL; - } - - v4l_dbg(1, debug, client, "TDA9840_DETECT: byte: 0x%02x\n", byte); - *ret = (byte & 0x60) >> 5; - result = 0; - break; - } - case TDA9840_TEST: - v4l_dbg(1, debug, client, "TDA9840_TEST: 0x%02x\n", byte); - - /* mask out irrelevant bits */ - byte &= 0x3; - - tda9840_write(client, TEST, byte); - break; default: return -ENOIOCTLCMD; } @@ -174,8 +201,7 @@ static int tda9840_probe(struct i2c_client *client, byte = 0; result = tda9840_command(client, TDA9840_LEVEL_ADJUST, &byte); result += tda9840_command(client, TDA9840_STEREO_ADJUST, &byte); - byte = TDA9840_SET_MONO; - result = tda9840_command(client, TDA9840_SWITCH, &byte); + tda9840_write(client, SWITCH, TDA9840_SET_STEREO); if (result) { v4l_dbg(1, debug, client, "could not initialize tda9840\n"); return -ENODEV; diff --git a/drivers/media/video/tda9840.h b/drivers/media/video/tda9840.h index 7da8432cdca7..dc12ae7caf6f 100644 --- a/drivers/media/video/tda9840.h +++ b/drivers/media/video/tda9840.h @@ -3,24 +3,6 @@ #define I2C_ADDR_TDA9840 0x42 -#define TDA9840_DETECT _IOR('v',1,int) -/* return values for TDA9840_DETCT */ -#define TDA9840_MONO_DETECT 0x0 -#define TDA9840_DUAL_DETECT 0x1 -#define TDA9840_STEREO_DETECT 0x2 -#define TDA9840_INCORRECT_DETECT 0x3 - -#define TDA9840_SWITCH _IOW('v',2,int) -/* modes than can be set with TDA9840_SWITCH */ -#define TDA9840_SET_MUTE 0x00 -#define TDA9840_SET_MONO 0x10 -#define TDA9840_SET_STEREO 0x2a -#define TDA9840_SET_LANG1 0x12 -#define TDA9840_SET_LANG2 0x1e -#define TDA9840_SET_BOTH 0x1a -#define TDA9840_SET_BOTH_R 0x16 -#define TDA9840_SET_EXTERNAL 0x7a - /* values may range between +2.5 and -2.0; the value has to be multiplied with 10 */ #define TDA9840_LEVEL_ADJUST _IOW('v',3,int) @@ -29,7 +11,4 @@ the value has to be multiplied with 10 */ #define TDA9840_STEREO_ADJUST _IOW('v',4,int) -/* currently not implemented */ -#define TDA9840_TEST _IOW('v',5,int) - #endif -- GitLab From 2633812f897cc354071699e86ea82e3bfd77cddc Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 6 Sep 2008 17:24:30 -0300 Subject: [PATCH 3864/6244] V4L/DVB (8942): mxb: coding style cleanups Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mxb.c | 252 ++++++++++++++++++-------------------- 1 file changed, 119 insertions(+), 133 deletions(-) diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index 621d17408297..b2dae5062e65 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -137,12 +137,12 @@ struct mxb struct i2c_adapter i2c_adapter; - struct i2c_client* saa7111a; - struct i2c_client* tda9840; - struct i2c_client* tea6415c; - struct i2c_client* tuner; - struct i2c_client* tea6420_1; - struct i2c_client* tea6420_2; + struct i2c_client *saa7111a; + struct i2c_client *tda9840; + struct i2c_client *tea6415c; + struct i2c_client *tuner; + struct i2c_client *tea6420_1; + struct i2c_client *tea6420_2; int cur_mode; /* current audio mode (mono, stereo, ...) */ int cur_input; /* current input */ @@ -154,7 +154,7 @@ static struct saa7146_extension extension; static int mxb_check_clients(struct device *dev, void *data) { - struct mxb* mxb = data; + struct mxb *mxb = data; struct i2c_client *client = i2c_verify_client(dev); if (!client) @@ -298,7 +298,7 @@ static struct { { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, { 3, { 0x80, 0xb3, 0x0a } }, - {-1, { 0} } + {-1, { 0 } } }; /* bring hardware to a sane state. this has to be done, just in case someone @@ -314,10 +314,9 @@ static int mxb_init_done(struct saa7146_dev* dev) struct v4l2_routing route; int i = 0, err = 0; - struct tea6415c_multiplex vm; + struct tea6415c_multiplex vm; /* select video mode in saa7111a */ - /* fixme: currently pointless: gets overwritten by configuration below */ mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_S_STD, &std); /* select tuner-output on saa7111a */ @@ -342,20 +341,20 @@ static int mxb_init_done(struct saa7146_dev* dev) mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std); /* mute audio on tea6420s */ - mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]); - mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]); - mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]); - mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]); + mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, &TEA6420_line[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, &TEA6420_line[6][1]); + mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, &TEA6420_cd[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, &TEA6420_cd[6][1]); /* switch to tuner-channel on tea6415c*/ vm.out = 17; vm.in = 3; - mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm); + mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm); /* select tuner-output on multicable on tea6415c*/ vm.in = 3; vm.out = 13; - mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm); + mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm); /* the rest for mxb */ mxb->cur_input = 0; @@ -372,21 +371,22 @@ static int mxb_init_done(struct saa7146_dev* dev) msg.len = mxb_saa7740_init[0].length; msg.buf = &mxb_saa7740_init[0].data[0]; - if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) { + err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); + if (err == 1) { /* the sound arena module is a pos, that's probably the reason philips refuses to hand out a datasheet for the saa7740... it seems to screw up the i2c bus, so we disable fast irq based i2c transactions here and rely on the slow and safe polling method ... */ extension.flags &= ~SAA7146_USE_I2C_IRQ; - for(i = 1;;i++) { - if( -1 == mxb_saa7740_init[i].length ) { + for (i = 1; ; i++) { + if (-1 == mxb_saa7740_init[i].length) break; - } msg.len = mxb_saa7740_init[i].length; msg.buf = &mxb_saa7740_init[i].data[0]; - if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) { + err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); + if (err != 1) { DEB_D(("failed to initialize 'sound arena module'.\n")); goto err; } @@ -400,7 +400,8 @@ err: /* ext->saa has been filled by the core driver */ /* some stuff is done via variables */ - saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync); + saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, + input_port_selection[mxb->cur_input].hps_sync); /* some stuff is done via direct write to the registers */ @@ -425,11 +426,11 @@ void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask) static struct saa7146_ext_vv vv_data; /* this function only gets called when the probing was successful */ -static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) { - struct mxb* mxb = (struct mxb*)dev->ext_priv; + struct mxb *mxb = (struct mxb *)dev->ext_priv; - DEB_EE(("dev:%p\n",dev)); + DEB_EE(("dev:%p\n", dev)); /* checking for i2c-devices can be omitted here, because we already did this in "mxb_vl42_probe" */ @@ -461,11 +462,11 @@ static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data return 0; } -static int mxb_detach(struct saa7146_dev* dev) +static int mxb_detach(struct saa7146_dev *dev) { - struct mxb* mxb = (struct mxb*)dev->ext_priv; + struct mxb *mxb = (struct mxb *)dev->ext_priv; - DEB_EE(("dev:%p\n",dev)); + DEB_EE(("dev:%p\n", dev)); i2c_release_client(mxb->tea6420_1); i2c_release_client(mxb->tea6420_2); @@ -475,9 +476,8 @@ static int mxb_detach(struct saa7146_dev* dev) i2c_release_client(mxb->tuner); saa7146_unregister_device(&mxb->video_dev,dev); - if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) { - saa7146_unregister_device(&mxb->vbi_dev,dev); - } + if (MXB_BOARD_CAN_DO_VBI(dev)) + saa7146_unregister_device(&mxb->vbi_dev, dev); saa7146_vv_release(dev); mxb_num--; @@ -491,7 +491,7 @@ static int mxb_detach(struct saa7146_dev* dev) static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { struct saa7146_dev *dev = fh->dev; - struct mxb* mxb = (struct mxb*)dev->ext_priv; + struct mxb *mxb = (struct mxb *)dev->ext_priv; struct saa7146_vv *vv = dev->vv_data; switch(cmd) { @@ -500,11 +500,9 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) struct v4l2_input *i = arg; DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index)); - if( i->index < 0 || i->index >= MXB_INPUTS) { + if (i->index < 0 || i->index >= MXB_INPUTS) return -EINVAL; - } memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input)); - return 0; } /* the saa7146 provides some controls (brightness, contrast, saturation) @@ -518,7 +516,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) for (i = MAXCONTROLS - 1; i >= 0; i--) { if (mxb_controls[i].id == qc->id) { *qc = mxb_controls[i]; - DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id)); + DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id)); return 0; } } @@ -530,56 +528,51 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) int i; for (i = MAXCONTROLS - 1; i >= 0; i--) { - if (mxb_controls[i].id == vc->id) { + if (mxb_controls[i].id == vc->id) break; - } } - if( i < 0 ) { + if (i < 0) return -EAGAIN; - } - switch (vc->id ) { - case V4L2_CID_AUDIO_MUTE: { - vc->value = mxb->cur_mute; - DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value)); - return 0; - } + if (vc->id == V4L2_CID_AUDIO_MUTE) { + vc->value = mxb->cur_mute; + DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value)); + return 0; } - DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value)); + DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value)); return 0; } case VIDIOC_S_CTRL: { - struct v4l2_control *vc = arg; + struct v4l2_control *vc = arg; int i = 0; for (i = MAXCONTROLS - 1; i >= 0; i--) { - if (mxb_controls[i].id == vc->id) { + if (mxb_controls[i].id == vc->id) break; - } } - if( i < 0 ) { + if (i < 0) return -EAGAIN; - } - switch (vc->id ) { - case V4L2_CID_AUDIO_MUTE: { - mxb->cur_mute = vc->value; - if( 0 == vc->value ) { - /* switch the audio-source */ - mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]); - mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]); - } else { - mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]); - mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]); - } - DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value)); - break; + if (vc->id == V4L2_CID_AUDIO_MUTE) { + mxb->cur_mute = vc->value; + if (!vc->value) { + /* switch the audio-source */ + mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, + &TEA6420_line[video_audio_connect[mxb->cur_input]][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, + &TEA6420_line[video_audio_connect[mxb->cur_input]][1]); + } else { + mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, + &TEA6420_line[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, + &TEA6420_line[6][1]); } + DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value)); } return 0; } @@ -588,7 +581,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) int *input = (int *)arg; *input = mxb->cur_input; - DEB_EE(("VIDIOC_G_INPUT %d.\n",*input)); + DEB_EE(("VIDIOC_G_INPUT %d.\n", *input)); return 0; } case VIDIOC_S_INPUT: @@ -598,73 +591,60 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) struct v4l2_routing route; int i = 0; - DEB_EE(("VIDIOC_S_INPUT %d.\n",input)); + DEB_EE(("VIDIOC_S_INPUT %d.\n", input)); - if (input < 0 || input >= MXB_INPUTS) { + if (input < 0 || input >= MXB_INPUTS) return -EINVAL; - } mxb->cur_input = input; - saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync); + saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, + input_port_selection[input].hps_sync); /* prepare switching of tea6415c and saa7111a; have a look at the 'background'-file for further informations */ - switch( input ) { - - case TUNER: - { - i = SAA7115_COMPOSITE0; - vm.in = 3; - vm.out = 17; - - if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) { - printk("VIDIOC_S_INPUT: could not address tea6415c #1\n"); - return -EFAULT; - } - /* connect tuner-output always to multicable */ - vm.in = 3; - vm.out = 13; - break; - } - case AUX3_YC: - { - /* nothing to be done here. aux3_yc is - directly connected to the saa711a */ - i = SAA7115_SVIDEO1; - break; - } - case AUX3: - { - /* nothing to be done here. aux3 is - directly connected to the saa711a */ - i = SAA7115_COMPOSITE1; - break; - } - case AUX1: - { - i = SAA7115_COMPOSITE0; - vm.in = 1; - vm.out = 17; - break; + switch (input) { + case TUNER: + i = SAA7115_COMPOSITE0; + vm.in = 3; + vm.out = 17; + + if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) { + printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n"); + return -EFAULT; } + /* connect tuner-output always to multicable */ + vm.in = 3; + vm.out = 13; + break; + case AUX3_YC: + /* nothing to be done here. aux3_yc is + directly connected to the saa711a */ + i = SAA7115_SVIDEO1; + break; + case AUX3: + /* nothing to be done here. aux3 is + directly connected to the saa711a */ + i = SAA7115_COMPOSITE1; + break; + case AUX1: + i = SAA7115_COMPOSITE0; + vm.in = 1; + vm.out = 17; + break; } /* switch video in tea6415c only if necessary */ - switch( input ) { - case TUNER: - case AUX1: - { - if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) { - printk("VIDIOC_S_INPUT: could not address tea6415c #3\n"); - return -EFAULT; - } - break; - } - default: - { - break; + switch (input) { + case TUNER: + case AUX1: + if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) { + printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n"); + return -EFAULT; } + break; + default: + break; } /* switch video in saa7111a */ @@ -675,8 +655,10 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) /* switch the audio-source only if necessary */ if( 0 == mxb->cur_mute ) { - mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]); - mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]); + mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, + &TEA6420_line[video_audio_connect[input]][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, + &TEA6420_line[video_audio_connect[input]][1]); } return 0; @@ -719,8 +701,9 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { struct v4l2_frequency *f = arg; - if(0 != mxb->cur_input) { - DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input)); + if (mxb->cur_input) { + DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n", + mxb->cur_input)); return -EINVAL; } @@ -733,7 +716,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { struct v4l2_frequency *f = arg; - if (0 != f->tuner) + if (f->tuner) return -EINVAL; if (V4L2_TUNER_ANALOG_TV != f->type) @@ -761,7 +744,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { int i = *(int*)arg; - if( i < 0 || i >= MXB_AUDIOS ) { + if (i < 0 || i >= MXB_AUDIOS) { DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i)); return -EINVAL; } @@ -777,7 +760,7 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { int i = *(int*)arg; - if( i < 0 || i >= MXB_AUDIOS ) { + if (i < 0 || i >= MXB_AUDIOS) { DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i)); return -EINVAL; } @@ -792,12 +775,12 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { struct v4l2_audio *a = arg; - if( a->index < 0 || a->index > MXB_INPUTS ) { - DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index)); + if (a->index < 0 || a->index > MXB_INPUTS) { + DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index)); return -EINVAL; } - DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index)); + DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index)); memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio)); return 0; @@ -805,13 +788,16 @@ static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) case VIDIOC_S_AUDIO: { struct v4l2_audio *a = arg; - DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index)); + + DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index)); return 0; } +#ifdef CONFIG_VIDEO_ADV_DEBUG case VIDIOC_DBG_S_REGISTER: case VIDIOC_DBG_G_REGISTER: i2c_clients_command(&mxb->i2c_adapter, cmd, arg); - break; + return 0; +#endif default: /* DEB2(printk("does not handle this ioctl.\n")); @@ -919,7 +905,7 @@ static struct saa7146_extension extension = { static int __init mxb_init_module(void) { - if( 0 != saa7146_register_extension(&extension)) { + if (saa7146_register_extension(&extension)) { DEB_S(("failed to register extension.\n")); return -ENODEV; } -- GitLab From 71ef85c7e0f431467c2e18314ff0cb8fa2b84e5f Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 7 Sep 2008 08:31:13 -0300 Subject: [PATCH 3865/6244] V4L/DVB (8943): saa5246a: convert i2c driver for new i2c API - Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API - Cleanups - Use v4l_dbg/v4l_info to have uniform kernel messages Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa5246a.c | 520 +++++++++++++++++++++++++-------- drivers/media/video/saa5246a.h | 359 ----------------------- 2 files changed, 400 insertions(+), 479 deletions(-) delete mode 100644 drivers/media/video/saa5246a.h diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c index ff81049e936d..4a21b8a6a709 100644 --- a/drivers/media/video/saa5246a.c +++ b/drivers/media/video/saa5246a.c @@ -43,138 +43,363 @@ #include #include #include -#include #include +#include +#include #include #include #include -#include - -#include "saa5246a.h" +#include MODULE_AUTHOR("Michael Geng "); MODULE_DESCRIPTION("Philips SAA5246A, SAA5281 Teletext decoder driver"); MODULE_LICENSE("GPL"); -struct saa5246a_device -{ - u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE]; - int is_searching[NUM_DAUS]; - struct i2c_client *client; - unsigned long in_use; - struct mutex lock; -}; +#define MAJOR_VERSION 1 /* driver major version number */ +#define MINOR_VERSION 8 /* driver minor version number */ + +/* Number of DAUs = number of pages that can be searched at the same time. */ +#define NUM_DAUS 4 + +#define NUM_ROWS_PER_PAGE 40 + +/* first column is 0 (not 1) */ +#define POS_TIME_START 32 +#define POS_TIME_END 39 + +#define POS_HEADER_START 7 +#define POS_HEADER_END 31 + +/* Returns 'true' if the part of the videotext page described with req contains + (at least parts of) the time field */ +#define REQ_CONTAINS_TIME(p_req) \ + ((p_req)->start <= POS_TIME_END && \ + (p_req)->end >= POS_TIME_START) + +/* Returns 'true' if the part of the videotext page described with req contains + (at least parts of) the page header */ +#define REQ_CONTAINS_HEADER(p_req) \ + ((p_req)->start <= POS_HEADER_END && \ + (p_req)->end >= POS_HEADER_START) + +/*****************************************************************************/ +/* Mode register numbers of the SAA5246A */ +/*****************************************************************************/ +#define SAA5246A_REGISTER_R0 0 +#define SAA5246A_REGISTER_R1 1 +#define SAA5246A_REGISTER_R2 2 +#define SAA5246A_REGISTER_R3 3 +#define SAA5246A_REGISTER_R4 4 +#define SAA5246A_REGISTER_R5 5 +#define SAA5246A_REGISTER_R6 6 +#define SAA5246A_REGISTER_R7 7 +#define SAA5246A_REGISTER_R8 8 +#define SAA5246A_REGISTER_R9 9 +#define SAA5246A_REGISTER_R10 10 +#define SAA5246A_REGISTER_R11 11 +#define SAA5246A_REGISTER_R11B 11 + +/* SAA5246A mode registers often autoincrement to the next register. + Therefore we use variable argument lists. The following macro indicates + the end of a command list. */ +#define COMMAND_END (-1) + +/*****************************************************************************/ +/* Contents of the mode registers of the SAA5246A */ +/*****************************************************************************/ +/* Register R0 (Advanced Control) */ +#define R0_SELECT_R11 0x00 +#define R0_SELECT_R11B 0x01 + +#define R0_PLL_TIME_CONSTANT_LONG 0x00 +#define R0_PLL_TIME_CONSTANT_SHORT 0x02 + +#define R0_ENABLE_nODD_EVEN_OUTPUT 0x00 +#define R0_DISABLE_nODD_EVEN_OUTPUT 0x04 + +#define R0_ENABLE_HDR_POLL 0x00 +#define R0_DISABLE_HDR_POLL 0x10 + +#define R0_DO_NOT_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x00 +#define R0_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x20 + +#define R0_NO_FREE_RUN_PLL 0x00 +#define R0_FREE_RUN_PLL 0x40 + +#define R0_NO_AUTOMATIC_FASTEXT_PROMPT 0x00 +#define R0_AUTOMATIC_FASTEXT_PROMPT 0x80 + +/* Register R1 (Mode) */ +#define R1_INTERLACED_312_AND_HALF_312_AND_HALF_LINES 0x00 +#define R1_NON_INTERLACED_312_313_LINES 0x01 +#define R1_NON_INTERLACED_312_312_LINES 0x02 +#define R1_FFB_LEADING_EDGE_IN_FIRST_BROAD_PULSE 0x03 +#define R1_FFB_LEADING_EDGE_IN_SECOND_BROAD_PULSE 0x07 + +#define R1_DEW 0x00 +#define R1_FULL_FIELD 0x08 + +#define R1_EXTENDED_PACKET_DISABLE 0x00 +#define R1_EXTENDED_PACKET_ENABLE 0x10 + +#define R1_DAUS_ALL_ON 0x00 +#define R1_DAUS_ALL_OFF 0x20 + +#define R1_7_BITS_PLUS_PARITY 0x00 +#define R1_8_BITS_NO_PARITY 0x40 + +#define R1_VCS_TO_SCS 0x00 +#define R1_NO_VCS_TO_SCS 0x80 + +/* Register R2 (Page request address) */ +#define R2_IN_R3_SELECT_PAGE_HUNDREDS 0x00 +#define R2_IN_R3_SELECT_PAGE_TENS 0x01 +#define R2_IN_R3_SELECT_PAGE_UNITS 0x02 +#define R2_IN_R3_SELECT_HOURS_TENS 0x03 +#define R2_IN_R3_SELECT_HOURS_UNITS 0x04 +#define R2_IN_R3_SELECT_MINUTES_TENS 0x05 +#define R2_IN_R3_SELECT_MINUTES_UNITS 0x06 + +#define R2_DAU_0 0x00 +#define R2_DAU_1 0x10 +#define R2_DAU_2 0x20 +#define R2_DAU_3 0x30 + +#define R2_BANK_0 0x00 +#define R2_BANK 1 0x40 + +#define R2_HAMMING_CHECK_ON 0x80 +#define R2_HAMMING_CHECK_OFF 0x00 + +/* Register R3 (Page request data) */ +#define R3_PAGE_HUNDREDS_0 0x00 +#define R3_PAGE_HUNDREDS_1 0x01 +#define R3_PAGE_HUNDREDS_2 0x02 +#define R3_PAGE_HUNDREDS_3 0x03 +#define R3_PAGE_HUNDREDS_4 0x04 +#define R3_PAGE_HUNDREDS_5 0x05 +#define R3_PAGE_HUNDREDS_6 0x06 +#define R3_PAGE_HUNDREDS_7 0x07 -static struct video_device saa_template; /* Declared near bottom */ +#define R3_HOLD_PAGE 0x00 +#define R3_UPDATE_PAGE 0x08 -/* Addresses to scan */ -static unsigned short normal_i2c[] = { I2C_ADDRESS, I2C_CLIENT_END }; +#define R3_PAGE_HUNDREDS_DO_NOT_CARE 0x00 +#define R3_PAGE_HUNDREDS_DO_CARE 0x10 -I2C_CLIENT_INSMOD; +#define R3_PAGE_TENS_DO_NOT_CARE 0x00 +#define R3_PAGE_TENS_DO_CARE 0x10 -static struct i2c_client client_template; +#define R3_PAGE_UNITS_DO_NOT_CARE 0x00 +#define R3_PAGE_UNITS_DO_CARE 0x10 -static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind) -{ - int pgbuf; - int err; - struct i2c_client *client; - struct video_device *vd; - struct saa5246a_device *t; +#define R3_HOURS_TENS_DO_NOT_CARE 0x00 +#define R3_HOURS_TENS_DO_CARE 0x10 - printk(KERN_INFO "saa5246a: teletext chip found.\n"); - client=kmalloc(sizeof(*client), GFP_KERNEL); - if(client==NULL) - return -ENOMEM; - client_template.adapter = adap; - client_template.addr = addr; - memcpy(client, &client_template, sizeof(*client)); - t = kzalloc(sizeof(*t), GFP_KERNEL); - if(t==NULL) - { - kfree(client); - return -ENOMEM; - } - strlcpy(client->name, IF_NAME, I2C_NAME_SIZE); - mutex_init(&t->lock); +#define R3_HOURS_UNITS_DO_NOT_CARE 0x00 +#define R3_HOURS_UNITS_DO_CARE 0x10 - /* - * Now create a video4linux device - */ +#define R3_MINUTES_TENS_DO_NOT_CARE 0x00 +#define R3_MINUTES_TENS_DO_CARE 0x10 - vd = video_device_alloc(); - if(vd==NULL) - { - kfree(t); - kfree(client); - return -ENOMEM; - } - i2c_set_clientdata(client, vd); - memcpy(vd, &saa_template, sizeof(*vd)); +#define R3_MINUTES_UNITS_DO_NOT_CARE 0x00 +#define R3_MINUTES_UNITS_DO_CARE 0x10 - for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) - { - memset(t->pgbuf[pgbuf], ' ', sizeof(t->pgbuf[0])); - t->is_searching[pgbuf] = false; - } - video_set_drvdata(vd, t); +/* Register R4 (Display chapter) */ +#define R4_DISPLAY_PAGE_0 0x00 +#define R4_DISPLAY_PAGE_1 0x01 +#define R4_DISPLAY_PAGE_2 0x02 +#define R4_DISPLAY_PAGE_3 0x03 +#define R4_DISPLAY_PAGE_4 0x04 +#define R4_DISPLAY_PAGE_5 0x05 +#define R4_DISPLAY_PAGE_6 0x06 +#define R4_DISPLAY_PAGE_7 0x07 +/* Register R5 (Normal display control) */ +#define R5_PICTURE_INSIDE_BOXING_OFF 0x00 +#define R5_PICTURE_INSIDE_BOXING_ON 0x01 - /* - * Register it - */ +#define R5_PICTURE_OUTSIDE_BOXING_OFF 0x00 +#define R5_PICTURE_OUTSIDE_BOXING_ON 0x02 - if((err=video_register_device(vd, VFL_TYPE_VTX,-1))<0) - { - kfree(t); - kfree(client); - video_device_release(vd); - return err; - } - t->client = client; - i2c_attach_client(client); - return 0; -} +#define R5_TEXT_INSIDE_BOXING_OFF 0x00 +#define R5_TEXT_INSIDE_BOXING_ON 0x04 -/* - * We do most of the hard work when we become a device on the i2c. - */ -static int saa5246a_probe(struct i2c_adapter *adap) -{ - if (adap->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adap, &addr_data, saa5246a_attach); - return 0; -} +#define R5_TEXT_OUTSIDE_BOXING_OFF 0x00 +#define R5_TEXT_OUTSIDE_BOXING_ON 0x08 -static int saa5246a_detach(struct i2c_client *client) -{ - struct video_device *vd = i2c_get_clientdata(client); +#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00 +#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10 - i2c_detach_client(client); - video_unregister_device(vd); - kfree(video_get_drvdata(vd)); - kfree(client); - return 0; -} +#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00 +#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20 -/* - * I2C interfaces - */ +#define R5_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00 +#define R5_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40 + +#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00 +#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80 + +/* Register R6 (Newsflash display) */ +#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_ON 0x01 + +#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_ON 0x02 + +#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_ON 0x04 + +#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_ON 0x08 + +#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10 + +#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20 + +#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40 + +#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00 +#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80 + +/* Register R7 (Display mode) */ +#define R7_BOX_OFF_ROW_0 0x00 +#define R7_BOX_ON_ROW_0 0x01 + +#define R7_BOX_OFF_ROW_1_TO_23 0x00 +#define R7_BOX_ON_ROW_1_TO_23 0x02 + +#define R7_BOX_OFF_ROW_24 0x00 +#define R7_BOX_ON_ROW_24 0x04 + +#define R7_SINGLE_HEIGHT 0x00 +#define R7_DOUBLE_HEIGHT 0x08 + +#define R7_TOP_HALF 0x00 +#define R7_BOTTOM_HALF 0x10 + +#define R7_REVEAL_OFF 0x00 +#define R7_REVEAL_ON 0x20 + +#define R7_CURSER_OFF 0x00 +#define R7_CURSER_ON 0x40 + +#define R7_STATUS_BOTTOM 0x00 +#define R7_STATUS_TOP 0x80 + +/* Register R8 (Active chapter) */ +#define R8_ACTIVE_CHAPTER_0 0x00 +#define R8_ACTIVE_CHAPTER_1 0x01 +#define R8_ACTIVE_CHAPTER_2 0x02 +#define R8_ACTIVE_CHAPTER_3 0x03 +#define R8_ACTIVE_CHAPTER_4 0x04 +#define R8_ACTIVE_CHAPTER_5 0x05 +#define R8_ACTIVE_CHAPTER_6 0x06 +#define R8_ACTIVE_CHAPTER_7 0x07 -static struct i2c_driver i2c_driver_videotext = +#define R8_CLEAR_MEMORY 0x08 +#define R8_DO_NOT_CLEAR_MEMORY 0x00 + +/* Register R9 (Curser row) */ +#define R9_CURSER_ROW_0 0x00 +#define R9_CURSER_ROW_1 0x01 +#define R9_CURSER_ROW_2 0x02 +#define R9_CURSER_ROW_25 0x19 + +/* Register R10 (Curser column) */ +#define R10_CURSER_COLUMN_0 0x00 +#define R10_CURSER_COLUMN_6 0x06 +#define R10_CURSER_COLUMN_8 0x08 + +/*****************************************************************************/ +/* Row 25 control data in column 0 to 9 */ +/*****************************************************************************/ +#define ROW25_COLUMN0_PAGE_UNITS 0x0F + +#define ROW25_COLUMN1_PAGE_TENS 0x0F + +#define ROW25_COLUMN2_MINUTES_UNITS 0x0F + +#define ROW25_COLUMN3_MINUTES_TENS 0x07 +#define ROW25_COLUMN3_DELETE_PAGE 0x08 + +#define ROW25_COLUMN4_HOUR_UNITS 0x0F + +#define ROW25_COLUMN5_HOUR_TENS 0x03 +#define ROW25_COLUMN5_INSERT_HEADLINE 0x04 +#define ROW25_COLUMN5_INSERT_SUBTITLE 0x08 + +#define ROW25_COLUMN6_SUPPRESS_HEADER 0x01 +#define ROW25_COLUMN6_UPDATE_PAGE 0x02 +#define ROW25_COLUMN6_INTERRUPTED_SEQUENCE 0x04 +#define ROW25_COLUMN6_SUPPRESS_DISPLAY 0x08 + +#define ROW25_COLUMN7_SERIAL_MODE 0x01 +#define ROW25_COLUMN7_CHARACTER_SET 0x0E + +#define ROW25_COLUMN8_PAGE_HUNDREDS 0x07 +#define ROW25_COLUMN8_PAGE_NOT_FOUND 0x10 + +#define ROW25_COLUMN9_PAGE_BEING_LOOKED_FOR 0x20 + +#define ROW25_COLUMN0_TO_7_HAMMING_ERROR 0x10 + +/*****************************************************************************/ +/* Helper macros for extracting page, hour and minute digits */ +/*****************************************************************************/ +/* BYTE_POS 0 is at row 0, column 0, + BYTE_POS 1 is at row 0, column 1, + BYTE_POS 40 is at row 1, column 0, (with NUM_ROWS_PER_PAGE = 40) + BYTE_POS 41 is at row 1, column 1, (with NUM_ROWS_PER_PAGE = 40), + ... */ +#define ROW(BYTE_POS) (BYTE_POS / NUM_ROWS_PER_PAGE) +#define COLUMN(BYTE_POS) (BYTE_POS % NUM_ROWS_PER_PAGE) + +/*****************************************************************************/ +/* Helper macros for extracting page, hour and minute digits */ +/*****************************************************************************/ +/* Macros for extracting hundreds, tens and units of a page number which + must be in the range 0 ... 0x799. + Note that page is coded in hexadecimal, i.e. 0x123 means page 123. + page 0x.. means page 8.. */ +#define HUNDREDS_OF_PAGE(page) (((page) / 0x100) & 0x7) +#define TENS_OF_PAGE(page) (((page) / 0x10) & 0xF) +#define UNITS_OF_PAGE(page) ((page) & 0xF) + +/* Macros for extracting tens and units of a hour information which + must be in the range 0 ... 0x24. + Note that hour is coded in hexadecimal, i.e. 0x12 means 12 hours */ +#define TENS_OF_HOUR(hour) ((hour) / 0x10) +#define UNITS_OF_HOUR(hour) ((hour) & 0xF) + +/* Macros for extracting tens and units of a minute information which + must be in the range 0 ... 0x59. + Note that minute is coded in hexadecimal, i.e. 0x12 means 12 minutes */ +#define TENS_OF_MINUTE(minute) ((minute) / 0x10) +#define UNITS_OF_MINUTE(minute) ((minute) & 0xF) + +#define HOUR_MAX 0x23 +#define MINUTE_MAX 0x59 +#define PAGE_MAX 0x8FF + + +struct saa5246a_device { - .driver = { - .name = IF_NAME, /* name */ - }, - .id = I2C_DRIVERID_SAA5249, /* in i2c.h */ - .attach_adapter = saa5246a_probe, - .detach_client = saa5246a_detach, + u8 pgbuf[NUM_DAUS][VTX_VIRTUALSIZE]; + int is_searching[NUM_DAUS]; + struct i2c_client *client; + unsigned long in_use; + struct mutex lock; }; -static struct i2c_client client_template = { - .driver = &i2c_driver_videotext, - .name = "(unset)", -}; +static struct video_device saa_template; /* Declared near bottom */ + +/* + * I2C interfaces + */ static int i2c_sendbuf(struct saa5246a_device *t, int reg, int count, u8 *data) { @@ -794,22 +1019,6 @@ static int saa5246a_release(struct inode *inode, struct file *file) return 0; } -static int __init init_saa_5246a (void) -{ - printk(KERN_INFO - "SAA5246A (or compatible) Teletext decoder driver version %d.%d\n", - MAJOR_VERSION, MINOR_VERSION); - return i2c_add_driver(&i2c_driver_videotext); -} - -static void __exit cleanup_saa_5246a (void) -{ - i2c_del_driver(&i2c_driver_videotext); -} - -module_init(init_saa_5246a); -module_exit(cleanup_saa_5246a); - static const struct file_operations saa_fops = { .owner = THIS_MODULE, .open = saa5246a_open, @@ -820,8 +1029,79 @@ static const struct file_operations saa_fops = { static struct video_device saa_template = { - .name = IF_NAME, + .name = "saa5246a", .fops = &saa_fops, .release = video_device_release, .minor = -1, }; + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END }; + +I2C_CLIENT_INSMOD; + +static int saa5246a_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int pgbuf; + int err; + struct video_device *vd; + struct saa5246a_device *t; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + v4l_info(client, "VideoText version %d.%d\n", + MAJOR_VERSION, MINOR_VERSION); + t = kzalloc(sizeof(*t), GFP_KERNEL); + if (t == NULL) + return -ENOMEM; + mutex_init(&t->lock); + + /* Now create a video4linux device */ + vd = video_device_alloc(); + if (vd == NULL) { + kfree(t); + return -ENOMEM; + } + i2c_set_clientdata(client, vd); + memcpy(vd, &saa_template, sizeof(*vd)); + + for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) { + memset(t->pgbuf[pgbuf], ' ', sizeof(t->pgbuf[0])); + t->is_searching[pgbuf] = false; + } + video_set_drvdata(vd, t); + + /* Register it */ + err = video_register_device(vd, VFL_TYPE_VTX, -1); + if (err < 0) { + kfree(t); + video_device_release(vd); + return err; + } + t->client = client; + return 0; +} + +static int saa5246a_remove(struct i2c_client *client) +{ + struct video_device *vd = i2c_get_clientdata(client); + + video_unregister_device(vd); + kfree(video_get_drvdata(vd)); + return 0; +} + +static const struct i2c_device_id saa5246a_id[] = { + { "saa5246a", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, saa5246a_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa5246a", + .driverid = I2C_DRIVERID_SAA5249, + .probe = saa5246a_probe, + .remove = saa5246a_remove, + .id_table = saa5246a_id, +}; diff --git a/drivers/media/video/saa5246a.h b/drivers/media/video/saa5246a.h deleted file mode 100644 index 64394c036c60..000000000000 --- a/drivers/media/video/saa5246a.h +++ /dev/null @@ -1,359 +0,0 @@ -/* - Driver for the SAA5246A or SAA5281 Teletext (=Videotext) decoder chips from - Philips. - - Copyright (C) 2004 Michael Geng (linux@MichaelGeng.de) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - */ -#ifndef __SAA5246A_H__ -#define __SAA5246A_H__ - -#define MAJOR_VERSION 1 /* driver major version number */ -#define MINOR_VERSION 8 /* driver minor version number */ - -#define IF_NAME "SAA5246A" - -#define I2C_ADDRESS 17 - -/* Number of DAUs = number of pages that can be searched at the same time. */ -#define NUM_DAUS 4 - -#define NUM_ROWS_PER_PAGE 40 - -/* first column is 0 (not 1) */ -#define POS_TIME_START 32 -#define POS_TIME_END 39 - -#define POS_HEADER_START 7 -#define POS_HEADER_END 31 - -/* Returns 'true' if the part of the videotext page described with req contains - (at least parts of) the time field */ -#define REQ_CONTAINS_TIME(p_req) \ - ((p_req)->start <= POS_TIME_END && \ - (p_req)->end >= POS_TIME_START) - -/* Returns 'true' if the part of the videotext page described with req contains - (at least parts of) the page header */ -#define REQ_CONTAINS_HEADER(p_req) \ - ((p_req)->start <= POS_HEADER_END && \ - (p_req)->end >= POS_HEADER_START) - -/*****************************************************************************/ -/* Mode register numbers of the SAA5246A */ -/*****************************************************************************/ -#define SAA5246A_REGISTER_R0 0 -#define SAA5246A_REGISTER_R1 1 -#define SAA5246A_REGISTER_R2 2 -#define SAA5246A_REGISTER_R3 3 -#define SAA5246A_REGISTER_R4 4 -#define SAA5246A_REGISTER_R5 5 -#define SAA5246A_REGISTER_R6 6 -#define SAA5246A_REGISTER_R7 7 -#define SAA5246A_REGISTER_R8 8 -#define SAA5246A_REGISTER_R9 9 -#define SAA5246A_REGISTER_R10 10 -#define SAA5246A_REGISTER_R11 11 -#define SAA5246A_REGISTER_R11B 11 - -/* SAA5246A mode registers often autoincrement to the next register. - Therefore we use variable argument lists. The following macro indicates - the end of a command list. */ -#define COMMAND_END (- 1) - -/*****************************************************************************/ -/* Contents of the mode registers of the SAA5246A */ -/*****************************************************************************/ -/* Register R0 (Advanced Control) */ -#define R0_SELECT_R11 0x00 -#define R0_SELECT_R11B 0x01 - -#define R0_PLL_TIME_CONSTANT_LONG 0x00 -#define R0_PLL_TIME_CONSTANT_SHORT 0x02 - -#define R0_ENABLE_nODD_EVEN_OUTPUT 0x00 -#define R0_DISABLE_nODD_EVEN_OUTPUT 0x04 - -#define R0_ENABLE_HDR_POLL 0x00 -#define R0_DISABLE_HDR_POLL 0x10 - -#define R0_DO_NOT_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x00 -#define R0_FORCE_nODD_EVEN_LOW_IF_PICTURE_DISPLAYED 0x20 - -#define R0_NO_FREE_RUN_PLL 0x00 -#define R0_FREE_RUN_PLL 0x40 - -#define R0_NO_AUTOMATIC_FASTEXT_PROMPT 0x00 -#define R0_AUTOMATIC_FASTEXT_PROMPT 0x80 - -/* Register R1 (Mode) */ -#define R1_INTERLACED_312_AND_HALF_312_AND_HALF_LINES 0x00 -#define R1_NON_INTERLACED_312_313_LINES 0x01 -#define R1_NON_INTERLACED_312_312_LINES 0x02 -#define R1_FFB_LEADING_EDGE_IN_FIRST_BROAD_PULSE 0x03 -#define R1_FFB_LEADING_EDGE_IN_SECOND_BROAD_PULSE 0x07 - -#define R1_DEW 0x00 -#define R1_FULL_FIELD 0x08 - -#define R1_EXTENDED_PACKET_DISABLE 0x00 -#define R1_EXTENDED_PACKET_ENABLE 0x10 - -#define R1_DAUS_ALL_ON 0x00 -#define R1_DAUS_ALL_OFF 0x20 - -#define R1_7_BITS_PLUS_PARITY 0x00 -#define R1_8_BITS_NO_PARITY 0x40 - -#define R1_VCS_TO_SCS 0x00 -#define R1_NO_VCS_TO_SCS 0x80 - -/* Register R2 (Page request address) */ -#define R2_IN_R3_SELECT_PAGE_HUNDREDS 0x00 -#define R2_IN_R3_SELECT_PAGE_TENS 0x01 -#define R2_IN_R3_SELECT_PAGE_UNITS 0x02 -#define R2_IN_R3_SELECT_HOURS_TENS 0x03 -#define R2_IN_R3_SELECT_HOURS_UNITS 0x04 -#define R2_IN_R3_SELECT_MINUTES_TENS 0x05 -#define R2_IN_R3_SELECT_MINUTES_UNITS 0x06 - -#define R2_DAU_0 0x00 -#define R2_DAU_1 0x10 -#define R2_DAU_2 0x20 -#define R2_DAU_3 0x30 - -#define R2_BANK_0 0x00 -#define R2_BANK 1 0x40 - -#define R2_HAMMING_CHECK_ON 0x80 -#define R2_HAMMING_CHECK_OFF 0x00 - -/* Register R3 (Page request data) */ -#define R3_PAGE_HUNDREDS_0 0x00 -#define R3_PAGE_HUNDREDS_1 0x01 -#define R3_PAGE_HUNDREDS_2 0x02 -#define R3_PAGE_HUNDREDS_3 0x03 -#define R3_PAGE_HUNDREDS_4 0x04 -#define R3_PAGE_HUNDREDS_5 0x05 -#define R3_PAGE_HUNDREDS_6 0x06 -#define R3_PAGE_HUNDREDS_7 0x07 - -#define R3_HOLD_PAGE 0x00 -#define R3_UPDATE_PAGE 0x08 - -#define R3_PAGE_HUNDREDS_DO_NOT_CARE 0x00 -#define R3_PAGE_HUNDREDS_DO_CARE 0x10 - -#define R3_PAGE_TENS_DO_NOT_CARE 0x00 -#define R3_PAGE_TENS_DO_CARE 0x10 - -#define R3_PAGE_UNITS_DO_NOT_CARE 0x00 -#define R3_PAGE_UNITS_DO_CARE 0x10 - -#define R3_HOURS_TENS_DO_NOT_CARE 0x00 -#define R3_HOURS_TENS_DO_CARE 0x10 - -#define R3_HOURS_UNITS_DO_NOT_CARE 0x00 -#define R3_HOURS_UNITS_DO_CARE 0x10 - -#define R3_MINUTES_TENS_DO_NOT_CARE 0x00 -#define R3_MINUTES_TENS_DO_CARE 0x10 - -#define R3_MINUTES_UNITS_DO_NOT_CARE 0x00 -#define R3_MINUTES_UNITS_DO_CARE 0x10 - -/* Register R4 (Display chapter) */ -#define R4_DISPLAY_PAGE_0 0x00 -#define R4_DISPLAY_PAGE_1 0x01 -#define R4_DISPLAY_PAGE_2 0x02 -#define R4_DISPLAY_PAGE_3 0x03 -#define R4_DISPLAY_PAGE_4 0x04 -#define R4_DISPLAY_PAGE_5 0x05 -#define R4_DISPLAY_PAGE_6 0x06 -#define R4_DISPLAY_PAGE_7 0x07 - -/* Register R5 (Normal display control) */ -#define R5_PICTURE_INSIDE_BOXING_OFF 0x00 -#define R5_PICTURE_INSIDE_BOXING_ON 0x01 - -#define R5_PICTURE_OUTSIDE_BOXING_OFF 0x00 -#define R5_PICTURE_OUTSIDE_BOXING_ON 0x02 - -#define R5_TEXT_INSIDE_BOXING_OFF 0x00 -#define R5_TEXT_INSIDE_BOXING_ON 0x04 - -#define R5_TEXT_OUTSIDE_BOXING_OFF 0x00 -#define R5_TEXT_OUTSIDE_BOXING_ON 0x08 - -#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00 -#define R5_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10 - -#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00 -#define R5_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20 - -#define R5_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00 -#define R5_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40 - -#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00 -#define R5_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80 - -/* Register R6 (Newsflash display) */ -#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_PICTURE_INSIDE_BOXING_ON 0x01 - -#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_PICTURE_OUTSIDE_BOXING_ON 0x02 - -#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_TEXT_INSIDE_BOXING_ON 0x04 - -#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_TEXT_OUTSIDE_BOXING_ON 0x08 - -#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_CONTRAST_REDUCTION_INSIDE_BOXING_ON 0x10 - -#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_CONTRAST_REDUCTION_OUTSIDE_BOXING_ON 0x20 - -#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_BACKGROUND_COLOR_INSIDE_BOXING_ON 0x40 - -#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_OFF 0x00 -#define R6_NEWSFLASH_BACKGROUND_COLOR_OUTSIDE_BOXING_ON 0x80 - -/* Register R7 (Display mode) */ -#define R7_BOX_OFF_ROW_0 0x00 -#define R7_BOX_ON_ROW_0 0x01 - -#define R7_BOX_OFF_ROW_1_TO_23 0x00 -#define R7_BOX_ON_ROW_1_TO_23 0x02 - -#define R7_BOX_OFF_ROW_24 0x00 -#define R7_BOX_ON_ROW_24 0x04 - -#define R7_SINGLE_HEIGHT 0x00 -#define R7_DOUBLE_HEIGHT 0x08 - -#define R7_TOP_HALF 0x00 -#define R7_BOTTOM_HALF 0x10 - -#define R7_REVEAL_OFF 0x00 -#define R7_REVEAL_ON 0x20 - -#define R7_CURSER_OFF 0x00 -#define R7_CURSER_ON 0x40 - -#define R7_STATUS_BOTTOM 0x00 -#define R7_STATUS_TOP 0x80 - -/* Register R8 (Active chapter) */ -#define R8_ACTIVE_CHAPTER_0 0x00 -#define R8_ACTIVE_CHAPTER_1 0x01 -#define R8_ACTIVE_CHAPTER_2 0x02 -#define R8_ACTIVE_CHAPTER_3 0x03 -#define R8_ACTIVE_CHAPTER_4 0x04 -#define R8_ACTIVE_CHAPTER_5 0x05 -#define R8_ACTIVE_CHAPTER_6 0x06 -#define R8_ACTIVE_CHAPTER_7 0x07 - -#define R8_CLEAR_MEMORY 0x08 -#define R8_DO_NOT_CLEAR_MEMORY 0x00 - -/* Register R9 (Curser row) */ -#define R9_CURSER_ROW_0 0x00 -#define R9_CURSER_ROW_1 0x01 -#define R9_CURSER_ROW_2 0x02 -#define R9_CURSER_ROW_25 0x19 - -/* Register R10 (Curser column) */ -#define R10_CURSER_COLUMN_0 0x00 -#define R10_CURSER_COLUMN_6 0x06 -#define R10_CURSER_COLUMN_8 0x08 - -/*****************************************************************************/ -/* Row 25 control data in column 0 to 9 */ -/*****************************************************************************/ -#define ROW25_COLUMN0_PAGE_UNITS 0x0F - -#define ROW25_COLUMN1_PAGE_TENS 0x0F - -#define ROW25_COLUMN2_MINUTES_UNITS 0x0F - -#define ROW25_COLUMN3_MINUTES_TENS 0x07 -#define ROW25_COLUMN3_DELETE_PAGE 0x08 - -#define ROW25_COLUMN4_HOUR_UNITS 0x0F - -#define ROW25_COLUMN5_HOUR_TENS 0x03 -#define ROW25_COLUMN5_INSERT_HEADLINE 0x04 -#define ROW25_COLUMN5_INSERT_SUBTITLE 0x08 - -#define ROW25_COLUMN6_SUPPRESS_HEADER 0x01 -#define ROW25_COLUMN6_UPDATE_PAGE 0x02 -#define ROW25_COLUMN6_INTERRUPTED_SEQUENCE 0x04 -#define ROW25_COLUMN6_SUPPRESS_DISPLAY 0x08 - -#define ROW25_COLUMN7_SERIAL_MODE 0x01 -#define ROW25_COLUMN7_CHARACTER_SET 0x0E - -#define ROW25_COLUMN8_PAGE_HUNDREDS 0x07 -#define ROW25_COLUMN8_PAGE_NOT_FOUND 0x10 - -#define ROW25_COLUMN9_PAGE_BEING_LOOKED_FOR 0x20 - -#define ROW25_COLUMN0_TO_7_HAMMING_ERROR 0x10 - -/*****************************************************************************/ -/* Helper macros for extracting page, hour and minute digits */ -/*****************************************************************************/ -/* BYTE_POS 0 is at row 0, column 0, - BYTE_POS 1 is at row 0, column 1, - BYTE_POS 40 is at row 1, column 0, (with NUM_ROWS_PER_PAGE = 40) - BYTE_POS 41 is at row 1, column 1, (with NUM_ROWS_PER_PAGE = 40), - ... */ -#define ROW(BYTE_POS) (BYTE_POS / NUM_ROWS_PER_PAGE) -#define COLUMN(BYTE_POS) (BYTE_POS % NUM_ROWS_PER_PAGE) - -/*****************************************************************************/ -/* Helper macros for extracting page, hour and minute digits */ -/*****************************************************************************/ -/* Macros for extracting hundreds, tens and units of a page number which - must be in the range 0 ... 0x799. - Note that page is coded in hexadecimal, i.e. 0x123 means page 123. - page 0x.. means page 8.. */ -#define HUNDREDS_OF_PAGE(page) (((page) / 0x100) & 0x7) -#define TENS_OF_PAGE(page) (((page) / 0x10) & 0xF) -#define UNITS_OF_PAGE(page) ((page) & 0xF) - -/* Macros for extracting tens and units of a hour information which - must be in the range 0 ... 0x24. - Note that hour is coded in hexadecimal, i.e. 0x12 means 12 hours */ -#define TENS_OF_HOUR(hour) ((hour) / 0x10) -#define UNITS_OF_HOUR(hour) ((hour) & 0xF) - -/* Macros for extracting tens and units of a minute information which - must be in the range 0 ... 0x59. - Note that minute is coded in hexadecimal, i.e. 0x12 means 12 minutes */ -#define TENS_OF_MINUTE(minute) ((minute) / 0x10) -#define UNITS_OF_MINUTE(minute) ((minute) & 0xF) - -#define HOUR_MAX 0x23 -#define MINUTE_MAX 0x59 -#define PAGE_MAX 0x8FF - -#endif /* __SAA5246A_H__ */ -- GitLab From 96af9880c0d38fa6f331d1dd4cd39c5f5227fbbf Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 7 Sep 2008 08:31:38 -0300 Subject: [PATCH 3866/6244] V4L/DVB (8944): saa5249: convert i2c driver for new i2c API - Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API - Cleanups - Use v4l_dbg/v4l_info to have uniform kernel messages Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa5249.c | 653 +++++++++++++++------------------- 1 file changed, 289 insertions(+), 364 deletions(-) diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 8517aa4f0681..421071cc99b8 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -15,8 +15,6 @@ * * Copyright (c) 1998 Richard Guenther * - * $Id: saa5249.c,v 1.1 1998/03/30 22:23:23 alan Exp $ - * * Derived From * * vtx.c: @@ -45,34 +43,27 @@ #include #include -#include #include -#include -#include -#include -#include #include -#include -#include #include +#include +#include #include #include #include #include -#include - +#include -#include -#include +MODULE_AUTHOR("Michael Geng "); +MODULE_DESCRIPTION("Philips SAA5249 Teletext decoder driver"); +MODULE_LICENSE("GPL"); #define VTX_VER_MAJ 1 #define VTX_VER_MIN 8 - #define NUM_DAUS 4 #define NUM_BUFS 8 -#define IF_NAME "SAA5249" static const int disp_modes[8][3] = { @@ -125,125 +116,8 @@ struct saa5249_device #define VTX_DEV_MINOR 0 -/* General defines and debugging support */ - -#define RESCHED do { cond_resched(); } while(0) - static struct video_device saa_template; /* Declared near bottom */ -/* Addresses to scan */ -static unsigned short normal_i2c[] = {34>>1,I2C_CLIENT_END}; - -I2C_CLIENT_INSMOD; - -static struct i2c_client client_template; - -static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind) -{ - int pgbuf; - int err; - struct i2c_client *client; - struct video_device *vd; - struct saa5249_device *t; - - printk(KERN_INFO "saa5249: teletext chip found.\n"); - client=kmalloc(sizeof(*client), GFP_KERNEL); - if(client==NULL) - return -ENOMEM; - client_template.adapter = adap; - client_template.addr = addr; - memcpy(client, &client_template, sizeof(*client)); - t = kzalloc(sizeof(*t), GFP_KERNEL); - if(t==NULL) - { - kfree(client); - return -ENOMEM; - } - strlcpy(client->name, IF_NAME, I2C_NAME_SIZE); - mutex_init(&t->lock); - - /* - * Now create a video4linux device - */ - - vd = kmalloc(sizeof(struct video_device), GFP_KERNEL); - if(vd==NULL) - { - kfree(t); - kfree(client); - return -ENOMEM; - } - i2c_set_clientdata(client, vd); - memcpy(vd, &saa_template, sizeof(*vd)); - - for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) - { - memset(t->vdau[pgbuf].pgbuf, ' ', sizeof(t->vdau[0].pgbuf)); - memset(t->vdau[pgbuf].sregs, 0, sizeof(t->vdau[0].sregs)); - memset(t->vdau[pgbuf].laststat, 0, sizeof(t->vdau[0].laststat)); - t->vdau[pgbuf].expire = 0; - t->vdau[pgbuf].clrfound = true; - t->vdau[pgbuf].stopped = true; - t->is_searching[pgbuf] = false; - } - video_set_drvdata(vd, t); - - - /* - * Register it - */ - - if((err=video_register_device(vd, VFL_TYPE_VTX,-1))<0) - { - kfree(t); - kfree(vd); - kfree(client); - return err; - } - t->client = client; - i2c_attach_client(client); - return 0; -} - -/* - * We do most of the hard work when we become a device on the i2c. - */ - -static int saa5249_probe(struct i2c_adapter *adap) -{ - if (adap->class & I2C_CLASS_TV_ANALOG) - return i2c_probe(adap, &addr_data, saa5249_attach); - return 0; -} - -static int saa5249_detach(struct i2c_client *client) -{ - struct video_device *vd = i2c_get_clientdata(client); - i2c_detach_client(client); - video_unregister_device(vd); - kfree(video_get_drvdata(vd)); - kfree(vd); - kfree(client); - return 0; -} - -/* new I2C driver support */ - -static struct i2c_driver i2c_driver_videotext = -{ - .driver = { - .name = IF_NAME, /* name */ - }, - .id = I2C_DRIVERID_SAA5249, /* in i2c.h */ - .attach_adapter = saa5249_probe, - .detach_client = saa5249_detach, -}; - -static struct i2c_client client_template = { - .driver = &i2c_driver_videotext, - .name = "(unset)", -}; - /* * Wait the given number of jiffies (10ms). This calls the scheduler, so the actual * delay may be longer. @@ -277,7 +151,7 @@ static int i2c_sendbuf(struct saa5249_device *t, int reg, int count, u8 *data) buf[0] = reg; memcpy(buf+1, data, count); - if(i2c_master_send(t->client, buf, count+1)==count+1) + if (i2c_master_send(t->client, buf, count + 1) == count + 1) return 0; return -1; } @@ -321,243 +195,234 @@ static int do_saa5249_ioctl(struct inode *inode, struct file *file, static int virtual_mode = false; struct saa5249_device *t = video_drvdata(file); - switch(cmd) + switch (cmd) { + case VTXIOCGETINFO: { - case VTXIOCGETINFO: - { - vtx_info_t *info = arg; - info->version_major = VTX_VER_MAJ; - info->version_minor = VTX_VER_MIN; - info->numpages = NUM_DAUS; - /*info->cct_type = CCT_TYPE;*/ - return 0; - } + vtx_info_t *info = arg; + info->version_major = VTX_VER_MAJ; + info->version_minor = VTX_VER_MIN; + info->numpages = NUM_DAUS; + /*info->cct_type = CCT_TYPE;*/ + return 0; + } - case VTXIOCCLRPAGE: - { - vtx_pagereq_t *req = arg; + case VTXIOCCLRPAGE: + { + vtx_pagereq_t *req = arg; - if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) - return -EINVAL; - memset(t->vdau[req->pgbuf].pgbuf, ' ', sizeof(t->vdau[0].pgbuf)); - t->vdau[req->pgbuf].clrfound = true; - return 0; - } + if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) + return -EINVAL; + memset(t->vdau[req->pgbuf].pgbuf, ' ', sizeof(t->vdau[0].pgbuf)); + t->vdau[req->pgbuf].clrfound = true; + return 0; + } - case VTXIOCCLRFOUND: - { - vtx_pagereq_t *req = arg; + case VTXIOCCLRFOUND: + { + vtx_pagereq_t *req = arg; - if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) - return -EINVAL; - t->vdau[req->pgbuf].clrfound = true; - return 0; - } + if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) + return -EINVAL; + t->vdau[req->pgbuf].clrfound = true; + return 0; + } - case VTXIOCPAGEREQ: - { - vtx_pagereq_t *req = arg; - if (!(req->pagemask & PGMASK_PAGE)) - req->page = 0; - if (!(req->pagemask & PGMASK_HOUR)) - req->hour = 0; - if (!(req->pagemask & PGMASK_MINUTE)) - req->minute = 0; - if (req->page < 0 || req->page > 0x8ff) /* 7FF ?? */ - return -EINVAL; - req->page &= 0x7ff; - if (req->hour < 0 || req->hour > 0x3f || req->minute < 0 || req->minute > 0x7f || - req->pagemask < 0 || req->pagemask >= PGMASK_MAX || req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) - return -EINVAL; - t->vdau[req->pgbuf].sregs[0] = (req->pagemask & PG_HUND ? 0x10 : 0) | (req->page / 0x100); - t->vdau[req->pgbuf].sregs[1] = (req->pagemask & PG_TEN ? 0x10 : 0) | ((req->page / 0x10) & 0xf); - t->vdau[req->pgbuf].sregs[2] = (req->pagemask & PG_UNIT ? 0x10 : 0) | (req->page & 0xf); - t->vdau[req->pgbuf].sregs[3] = (req->pagemask & HR_TEN ? 0x10 : 0) | (req->hour / 0x10); - t->vdau[req->pgbuf].sregs[4] = (req->pagemask & HR_UNIT ? 0x10 : 0) | (req->hour & 0xf); - t->vdau[req->pgbuf].sregs[5] = (req->pagemask & MIN_TEN ? 0x10 : 0) | (req->minute / 0x10); - t->vdau[req->pgbuf].sregs[6] = (req->pagemask & MIN_UNIT ? 0x10 : 0) | (req->minute & 0xf); - t->vdau[req->pgbuf].stopped = false; - t->vdau[req->pgbuf].clrfound = true; - t->is_searching[req->pgbuf] = true; - return 0; - } + case VTXIOCPAGEREQ: + { + vtx_pagereq_t *req = arg; + if (!(req->pagemask & PGMASK_PAGE)) + req->page = 0; + if (!(req->pagemask & PGMASK_HOUR)) + req->hour = 0; + if (!(req->pagemask & PGMASK_MINUTE)) + req->minute = 0; + if (req->page < 0 || req->page > 0x8ff) /* 7FF ?? */ + return -EINVAL; + req->page &= 0x7ff; + if (req->hour < 0 || req->hour > 0x3f || req->minute < 0 || req->minute > 0x7f || + req->pagemask < 0 || req->pagemask >= PGMASK_MAX || req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) + return -EINVAL; + t->vdau[req->pgbuf].sregs[0] = (req->pagemask & PG_HUND ? 0x10 : 0) | (req->page / 0x100); + t->vdau[req->pgbuf].sregs[1] = (req->pagemask & PG_TEN ? 0x10 : 0) | ((req->page / 0x10) & 0xf); + t->vdau[req->pgbuf].sregs[2] = (req->pagemask & PG_UNIT ? 0x10 : 0) | (req->page & 0xf); + t->vdau[req->pgbuf].sregs[3] = (req->pagemask & HR_TEN ? 0x10 : 0) | (req->hour / 0x10); + t->vdau[req->pgbuf].sregs[4] = (req->pagemask & HR_UNIT ? 0x10 : 0) | (req->hour & 0xf); + t->vdau[req->pgbuf].sregs[5] = (req->pagemask & MIN_TEN ? 0x10 : 0) | (req->minute / 0x10); + t->vdau[req->pgbuf].sregs[6] = (req->pagemask & MIN_UNIT ? 0x10 : 0) | (req->minute & 0xf); + t->vdau[req->pgbuf].stopped = false; + t->vdau[req->pgbuf].clrfound = true; + t->is_searching[req->pgbuf] = true; + return 0; + } - case VTXIOCGETSTAT: - { - vtx_pagereq_t *req = arg; - u8 infobits[10]; - vtx_pageinfo_t info; - int a; - - if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) - return -EINVAL; - if (!t->vdau[req->pgbuf].stopped) - { - if (i2c_senddata(t, 2, 0, -1) || - i2c_sendbuf(t, 3, sizeof(t->vdau[0].sregs), t->vdau[req->pgbuf].sregs) || - i2c_senddata(t, 8, 0, 25, 0, ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', -1) || - i2c_senddata(t, 2, 0, t->vdau[req->pgbuf].sregs[0] | 8, -1) || - i2c_senddata(t, 8, 0, 25, 0, -1)) - return -EIO; - jdelay(PAGE_WAIT); - if (i2c_getdata(t, 10, infobits)) - return -EIO; + case VTXIOCGETSTAT: + { + vtx_pagereq_t *req = arg; + u8 infobits[10]; + vtx_pageinfo_t info; + int a; + + if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) + return -EINVAL; + if (!t->vdau[req->pgbuf].stopped) { + if (i2c_senddata(t, 2, 0, -1) || + i2c_sendbuf(t, 3, sizeof(t->vdau[0].sregs), t->vdau[req->pgbuf].sregs) || + i2c_senddata(t, 8, 0, 25, 0, ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', -1) || + i2c_senddata(t, 2, 0, t->vdau[req->pgbuf].sregs[0] | 8, -1) || + i2c_senddata(t, 8, 0, 25, 0, -1)) + return -EIO; + jdelay(PAGE_WAIT); + if (i2c_getdata(t, 10, infobits)) + return -EIO; - if (!(infobits[8] & 0x10) && !(infobits[7] & 0xf0) && /* check FOUND-bit */ - (memcmp(infobits, t->vdau[req->pgbuf].laststat, sizeof(infobits)) || - time_after_eq(jiffies, t->vdau[req->pgbuf].expire))) - { /* check if new page arrived */ - if (i2c_senddata(t, 8, 0, 0, 0, -1) || - i2c_getdata(t, VTX_PAGESIZE, t->vdau[req->pgbuf].pgbuf)) + if (!(infobits[8] & 0x10) && !(infobits[7] & 0xf0) && /* check FOUND-bit */ + (memcmp(infobits, t->vdau[req->pgbuf].laststat, sizeof(infobits)) || + time_after_eq(jiffies, t->vdau[req->pgbuf].expire))) + { /* check if new page arrived */ + if (i2c_senddata(t, 8, 0, 0, 0, -1) || + i2c_getdata(t, VTX_PAGESIZE, t->vdau[req->pgbuf].pgbuf)) + return -EIO; + t->vdau[req->pgbuf].expire = jiffies + PGBUF_EXPIRE; + memset(t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE, ' ', VTX_VIRTUALSIZE - VTX_PAGESIZE); + if (t->virtual_mode) { + /* Packet X/24 */ + if (i2c_senddata(t, 8, 0, 0x20, 0, -1) || + i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 20 * 40)) + return -EIO; + /* Packet X/27/0 */ + if (i2c_senddata(t, 8, 0, 0x21, 0, -1) || + i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 16 * 40)) + return -EIO; + /* Packet 8/30/0...8/30/15 + * FIXME: AFAIK, the 5249 does hamming-decoding for some bytes in packet 8/30, + * so we should undo this here. + */ + if (i2c_senddata(t, 8, 0, 0x22, 0, -1) || + i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 23 * 40)) return -EIO; - t->vdau[req->pgbuf].expire = jiffies + PGBUF_EXPIRE; - memset(t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE, ' ', VTX_VIRTUALSIZE - VTX_PAGESIZE); - if (t->virtual_mode) - { - /* Packet X/24 */ - if (i2c_senddata(t, 8, 0, 0x20, 0, -1) || - i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 20 * 40)) - return -EIO; - /* Packet X/27/0 */ - if (i2c_senddata(t, 8, 0, 0x21, 0, -1) || - i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 16 * 40)) - return -EIO; - /* Packet 8/30/0...8/30/15 - * FIXME: AFAIK, the 5249 does hamming-decoding for some bytes in packet 8/30, - * so we should undo this here. - */ - if (i2c_senddata(t, 8, 0, 0x22, 0, -1) || - i2c_getdata(t, 40, t->vdau[req->pgbuf].pgbuf + VTX_PAGESIZE + 23 * 40)) - return -EIO; - } - t->vdau[req->pgbuf].clrfound = false; - memcpy(t->vdau[req->pgbuf].laststat, infobits, sizeof(infobits)); - } - else - { - memcpy(infobits, t->vdau[req->pgbuf].laststat, sizeof(infobits)); } - } - else - { + t->vdau[req->pgbuf].clrfound = false; + memcpy(t->vdau[req->pgbuf].laststat, infobits, sizeof(infobits)); + } else { memcpy(infobits, t->vdau[req->pgbuf].laststat, sizeof(infobits)); } + } else { + memcpy(infobits, t->vdau[req->pgbuf].laststat, sizeof(infobits)); + } - info.pagenum = ((infobits[8] << 8) & 0x700) | ((infobits[1] << 4) & 0xf0) | (infobits[0] & 0x0f); - if (info.pagenum < 0x100) - info.pagenum += 0x800; - info.hour = ((infobits[5] << 4) & 0x30) | (infobits[4] & 0x0f); - info.minute = ((infobits[3] << 4) & 0x70) | (infobits[2] & 0x0f); - info.charset = ((infobits[7] >> 1) & 7); - info.delete = !!(infobits[3] & 8); - info.headline = !!(infobits[5] & 4); - info.subtitle = !!(infobits[5] & 8); - info.supp_header = !!(infobits[6] & 1); - info.update = !!(infobits[6] & 2); - info.inter_seq = !!(infobits[6] & 4); - info.dis_disp = !!(infobits[6] & 8); - info.serial = !!(infobits[7] & 1); - info.notfound = !!(infobits[8] & 0x10); - info.pblf = !!(infobits[9] & 0x20); - info.hamming = 0; - for (a = 0; a <= 7; a++) - { - if (infobits[a] & 0xf0) - { - info.hamming = 1; - break; - } - } - if (t->vdau[req->pgbuf].clrfound) - info.notfound = 1; - if(copy_to_user(req->buffer, &info, sizeof(vtx_pageinfo_t))) - return -EFAULT; - if (!info.hamming && !info.notfound) - { - t->is_searching[req->pgbuf] = false; + info.pagenum = ((infobits[8] << 8) & 0x700) | ((infobits[1] << 4) & 0xf0) | (infobits[0] & 0x0f); + if (info.pagenum < 0x100) + info.pagenum += 0x800; + info.hour = ((infobits[5] << 4) & 0x30) | (infobits[4] & 0x0f); + info.minute = ((infobits[3] << 4) & 0x70) | (infobits[2] & 0x0f); + info.charset = ((infobits[7] >> 1) & 7); + info.delete = !!(infobits[3] & 8); + info.headline = !!(infobits[5] & 4); + info.subtitle = !!(infobits[5] & 8); + info.supp_header = !!(infobits[6] & 1); + info.update = !!(infobits[6] & 2); + info.inter_seq = !!(infobits[6] & 4); + info.dis_disp = !!(infobits[6] & 8); + info.serial = !!(infobits[7] & 1); + info.notfound = !!(infobits[8] & 0x10); + info.pblf = !!(infobits[9] & 0x20); + info.hamming = 0; + for (a = 0; a <= 7; a++) { + if (infobits[a] & 0xf0) { + info.hamming = 1; + break; } - return 0; } + if (t->vdau[req->pgbuf].clrfound) + info.notfound = 1; + if (copy_to_user(req->buffer, &info, sizeof(vtx_pageinfo_t))) + return -EFAULT; + if (!info.hamming && !info.notfound) + t->is_searching[req->pgbuf] = false; + return 0; + } - case VTXIOCGETPAGE: - { - vtx_pagereq_t *req = arg; - int start, end; - - if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS || req->start < 0 || - req->start > req->end || req->end >= (virtual_mode ? VTX_VIRTUALSIZE : VTX_PAGESIZE)) - return -EINVAL; - if(copy_to_user(req->buffer, &t->vdau[req->pgbuf].pgbuf[req->start], req->end - req->start + 1)) + case VTXIOCGETPAGE: + { + vtx_pagereq_t *req = arg; + int start, end; + + if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS || req->start < 0 || + req->start > req->end || req->end >= (virtual_mode ? VTX_VIRTUALSIZE : VTX_PAGESIZE)) + return -EINVAL; + if (copy_to_user(req->buffer, &t->vdau[req->pgbuf].pgbuf[req->start], req->end - req->start + 1)) + return -EFAULT; + + /* + * Always read the time directly from SAA5249 + */ + + if (req->start <= 39 && req->end >= 32) { + int len; + char buf[16]; + start = max(req->start, 32); + end = min(req->end, 39); + len = end - start + 1; + if (i2c_senddata(t, 8, 0, 0, start, -1) || + i2c_getdata(t, len, buf)) + return -EIO; + if (copy_to_user(req->buffer + start - req->start, buf, len)) + return -EFAULT; + } + /* Insert the current header if DAU is still searching for a page */ + if (req->start <= 31 && req->end >= 7 && t->is_searching[req->pgbuf]) { + char buf[32]; + int len; + + start = max(req->start, 7); + end = min(req->end, 31); + len = end - start + 1; + if (i2c_senddata(t, 8, 0, 0, start, -1) || + i2c_getdata(t, len, buf)) + return -EIO; + if (copy_to_user(req->buffer + start - req->start, buf, len)) return -EFAULT; - - /* - * Always read the time directly from SAA5249 - */ - - if (req->start <= 39 && req->end >= 32) - { - int len; - char buf[16]; - start = max(req->start, 32); - end = min(req->end, 39); - len=end-start+1; - if (i2c_senddata(t, 8, 0, 0, start, -1) || - i2c_getdata(t, len, buf)) - return -EIO; - if(copy_to_user(req->buffer+start-req->start, buf, len)) - return -EFAULT; - } - /* Insert the current header if DAU is still searching for a page */ - if (req->start <= 31 && req->end >= 7 && t->is_searching[req->pgbuf]) - { - char buf[32]; - int len; - start = max(req->start, 7); - end = min(req->end, 31); - len=end-start+1; - if (i2c_senddata(t, 8, 0, 0, start, -1) || - i2c_getdata(t, len, buf)) - return -EIO; - if(copy_to_user(req->buffer+start-req->start, buf, len)) - return -EFAULT; - } - return 0; } + return 0; + } - case VTXIOCSTOPDAU: - { - vtx_pagereq_t *req = arg; + case VTXIOCSTOPDAU: + { + vtx_pagereq_t *req = arg; - if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) - return -EINVAL; - t->vdau[req->pgbuf].stopped = true; - t->is_searching[req->pgbuf] = false; - return 0; - } + if (req->pgbuf < 0 || req->pgbuf >= NUM_DAUS) + return -EINVAL; + t->vdau[req->pgbuf].stopped = true; + t->is_searching[req->pgbuf] = false; + return 0; + } - case VTXIOCPUTPAGE: - case VTXIOCSETDISP: - case VTXIOCPUTSTAT: - return 0; + case VTXIOCPUTPAGE: + case VTXIOCSETDISP: + case VTXIOCPUTSTAT: + return 0; - case VTXIOCCLRCACHE: - { - if (i2c_senddata(t, 0, NUM_DAUS, 0, 8, -1) || i2c_senddata(t, 11, - ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ', - ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ', -1)) - return -EIO; - if (i2c_senddata(t, 3, 0x20, -1)) - return -EIO; - jdelay(10 * CLEAR_DELAY); /* I have no idea how long we have to wait here */ - return 0; - } + case VTXIOCCLRCACHE: + { + if (i2c_senddata(t, 0, NUM_DAUS, 0, 8, -1) || i2c_senddata(t, 11, + ' ', ' ', ' ', ' ', ' ', ' ', + ' ', ' ', ' ', ' ', ' ', ' ', + ' ', ' ', ' ', ' ', ' ', ' ', + ' ', ' ', ' ', ' ', ' ', ' ', + -1)) + return -EIO; + if (i2c_senddata(t, 3, 0x20, -1)) + return -EIO; + jdelay(10 * CLEAR_DELAY); /* I have no idea how long we have to wait here */ + return 0; + } - case VTXIOCSETVIRT: - { - /* The SAA5249 has virtual-row reception turned on always */ - t->virtual_mode = (int)(long)arg; - return 0; - } + case VTXIOCSETVIRT: + { + /* The SAA5249 has virtual-row reception turned on always */ + t->virtual_mode = (int)(long)arg; + return 0; + } } return -EINVAL; } @@ -674,21 +539,6 @@ static int saa5249_release(struct inode *inode, struct file *file) return 0; } -static int __init init_saa_5249 (void) -{ - printk(KERN_INFO "SAA5249 driver (" IF_NAME " interface) for VideoText version %d.%d\n", - VTX_VER_MAJ, VTX_VER_MIN); - return i2c_add_driver(&i2c_driver_videotext); -} - -static void __exit cleanup_saa_5249 (void) -{ - i2c_del_driver(&i2c_driver_videotext); -} - -module_init(init_saa_5249); -module_exit(cleanup_saa_5249); - static const struct file_operations saa_fops = { .owner = THIS_MODULE, .open = saa5249_open, @@ -702,9 +552,84 @@ static const struct file_operations saa_fops = { static struct video_device saa_template = { - .name = IF_NAME, + .name = "saa5249", .fops = &saa_fops, .release = video_device_release, }; -MODULE_LICENSE("GPL"); +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END }; + +I2C_CLIENT_INSMOD; + +static int saa5249_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int pgbuf; + int err; + struct video_device *vd; + struct saa5249_device *t; + + v4l_info(client, "chip found @ 0x%x (%s)\n", + client->addr << 1, client->adapter->name); + v4l_info(client, "VideoText version %d.%d\n", + VTX_VER_MAJ, VTX_VER_MIN); + t = kzalloc(sizeof(*t), GFP_KERNEL); + if (t == NULL) + return -ENOMEM; + mutex_init(&t->lock); + + /* Now create a video4linux device */ + vd = kmalloc(sizeof(struct video_device), GFP_KERNEL); + if (vd == NULL) { + kfree(client); + return -ENOMEM; + } + i2c_set_clientdata(client, vd); + memcpy(vd, &saa_template, sizeof(*vd)); + + for (pgbuf = 0; pgbuf < NUM_DAUS; pgbuf++) { + memset(t->vdau[pgbuf].pgbuf, ' ', sizeof(t->vdau[0].pgbuf)); + memset(t->vdau[pgbuf].sregs, 0, sizeof(t->vdau[0].sregs)); + memset(t->vdau[pgbuf].laststat, 0, sizeof(t->vdau[0].laststat)); + t->vdau[pgbuf].expire = 0; + t->vdau[pgbuf].clrfound = true; + t->vdau[pgbuf].stopped = true; + t->is_searching[pgbuf] = false; + } + video_set_drvdata(vd, t); + + /* Register it */ + err = video_register_device(vd, VFL_TYPE_VTX, -1); + if (err < 0) { + kfree(t); + kfree(vd); + return err; + } + t->client = client; + return 0; +} + +static int saa5249_remove(struct i2c_client *client) +{ + struct video_device *vd = i2c_get_clientdata(client); + + video_unregister_device(vd); + kfree(video_get_drvdata(vd)); + kfree(vd); + return 0; +} + +static const struct i2c_device_id saa5249_id[] = { + { "saa5249", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, saa5249_id); + +static struct v4l2_i2c_driver_data v4l2_i2c_data = { + .name = "saa5249", + .driverid = I2C_DRIVERID_SAA5249, + .probe = saa5249_probe, + .remove = saa5249_remove, + .id_table = saa5249_id, +}; -- GitLab From 9ebeae5641b141a71ed442e9fcb4993f6c0cd04f Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 7 Sep 2008 08:32:44 -0300 Subject: [PATCH 3867/6244] V4L/DVB (8945): mxb: use unique i2c adapter name Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mxb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c index b2dae5062e65..7f130284b5c7 100644 --- a/drivers/media/video/mxb.c +++ b/drivers/media/video/mxb.c @@ -215,9 +215,10 @@ static int mxb_probe(struct saa7146_dev* dev) mxb->i2c_adapter = (struct i2c_adapter) { .class = I2C_CLASS_TV_ANALOG, - .name = "mxb", }; + snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num); + saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); if(i2c_add_adapter(&mxb->i2c_adapter) < 0) { DEB_S(("cannot register i2c-device. skipping.\n")); -- GitLab From 942648af36e4d4b91e52b3e1a87d4cafd6f7aa46 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 7 Sep 2008 08:38:50 -0300 Subject: [PATCH 3868/6244] V4L/DVB (8946): dib7000m: fix powerpc build error The dib7000m_i2c_enumeration() function is not used by any public drivers, however some prototype board use it. So '#if 0' for now, but don't remove it. Thanks to Patrick Boettcher for clarifying this. Cc: Patrick Boettcher Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/dib7000m.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index 4de0fa9b69ad..0109720353bd 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -1284,7 +1284,9 @@ struct i2c_adapter * dib7000m_get_i2c_master(struct dvb_frontend *demod, enum di } EXPORT_SYMBOL(dib7000m_get_i2c_master); -static int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, +#if 0 +/* used with some prototype boards */ +int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000m_config cfg[]) { struct dib7000m_state st = { .i2c_adap = i2c }; @@ -1330,6 +1332,7 @@ static int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, return 0; } EXPORT_SYMBOL(dib7000m_i2c_enumeration); +#endif static struct dvb_frontend_ops dib7000m_ops; struct dvb_frontend * dib7000m_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000m_config *cfg) -- GitLab From ffb412346bcebf143d0f43ab4c6a61c4270a9266 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 6 Sep 2008 10:52:30 -0300 Subject: [PATCH 3869/6244] V4L/DVB (8948): xc5000: kill xc5000_priv.h move struct xc5000_priv into xc5000.c and delete xc5000_priv.h Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc5000.c | 13 +++++++- drivers/media/common/tuners/xc5000_priv.h | 37 ----------------------- 2 files changed, 12 insertions(+), 38 deletions(-) delete mode 100644 drivers/media/common/tuners/xc5000_priv.h diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index dcddfa803a75..50d42c8db4ea 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -30,7 +30,6 @@ #include "dvb_frontend.h" #include "xc5000.h" -#include "xc5000_priv.h" static int debug; module_param(debug, int, 0644); @@ -46,6 +45,18 @@ MODULE_PARM_DESC(init_fw, "Load firmware during driver initialization."); #define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.1.fw" #define XC5000_DEFAULT_FIRMWARE_SIZE 12332 +struct xc5000_priv { + struct xc5000_config *cfg; + struct i2c_adapter *i2c; + + u32 freq_hz; + u32 bandwidth; + u8 video_standard; + u8 rf_mode; + + void *devptr; +}; + /* Misc Defines */ #define MAX_TV_STANDARD 23 #define XC_MAX_I2C_WRITE_LENGTH 64 diff --git a/drivers/media/common/tuners/xc5000_priv.h b/drivers/media/common/tuners/xc5000_priv.h deleted file mode 100644 index b2a0074c99c9..000000000000 --- a/drivers/media/common/tuners/xc5000_priv.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Driver for Xceive XC5000 "QAM/8VSB single chip tuner" - * - * Copyright (c) 2007 Steven Toth - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef XC5000_PRIV_H -#define XC5000_PRIV_H - -struct xc5000_priv { - struct xc5000_config *cfg; - struct i2c_adapter *i2c; - - u32 freq_hz; - u32 bandwidth; - u8 video_standard; - u8 rf_mode; - - void *devptr; -}; - -#endif -- GitLab From 89fd28545c7390eb6c63d3d9e6faac78942dd1a4 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 6 Sep 2008 11:44:53 -0300 Subject: [PATCH 3870/6244] V4L/DVB (8949): xc5000: allow multiple driver instances for the same hardware to share state Convert xc5000 to use the hybrid_tuner_request_state and hybrid_tuner_release_state macros to manage state sharing between hybrid tuner instances. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc5000.c | 87 +++++++++++++++++++--------- 1 file changed, 61 insertions(+), 26 deletions(-) diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index 50d42c8db4ea..1850f7b7d961 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -30,6 +30,7 @@ #include "dvb_frontend.h" #include "xc5000.h" +#include "tuner-i2c.h" static int debug; module_param(debug, int, 0644); @@ -39,6 +40,9 @@ static int xc5000_load_fw_on_attach; module_param_named(init_fw, xc5000_load_fw_on_attach, int, 0644); MODULE_PARM_DESC(init_fw, "Load firmware during driver initialization."); +static DEFINE_MUTEX(xc5000_list_mutex); +static LIST_HEAD(hybrid_tuner_instance_list); + #define dprintk(level,fmt, arg...) if (debug >= level) \ printk(KERN_INFO "%s: " fmt, "xc5000", ## arg) @@ -47,7 +51,9 @@ MODULE_PARM_DESC(init_fw, "Load firmware during driver initialization."); struct xc5000_priv { struct xc5000_config *cfg; - struct i2c_adapter *i2c; + + struct tuner_i2c_props i2c_props; + struct list_head hybrid_tuner_instance_list; u32 freq_hz; u32 bandwidth; @@ -520,13 +526,13 @@ static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val) u8 buf[2] = { reg >> 8, reg & 0xff }; u8 bval[2] = { 0, 0 }; struct i2c_msg msg[2] = { - { .addr = priv->cfg->i2c_address, + { .addr = priv->i2c_props.addr, .flags = 0, .buf = &buf[0], .len = 2 }, - { .addr = priv->cfg->i2c_address, + { .addr = priv->i2c_props.addr, .flags = I2C_M_RD, .buf = &bval[0], .len = 2 }, }; - if (i2c_transfer(priv->i2c, msg, 2) != 2) { + if (i2c_transfer(priv->i2c_props.adap, msg, 2) != 2) { printk(KERN_WARNING "xc5000: I2C read failed\n"); return -EREMOTEIO; } @@ -537,10 +543,10 @@ static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val) static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len) { - struct i2c_msg msg = { .addr = priv->cfg->i2c_address, + struct i2c_msg msg = { .addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = len }; - if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", (int)len); return -EREMOTEIO; @@ -550,10 +556,10 @@ static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len) static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len) { - struct i2c_msg msg = { .addr = priv->cfg->i2c_address, + struct i2c_msg msg = { .addr = priv->i2c_props.addr, .flags = I2C_M_RD, .buf = buf, .len = len }; - if (i2c_transfer(priv->i2c, &msg, 1) != 1) { + if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) { printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n",(int)len); return -EREMOTEIO; } @@ -570,7 +576,7 @@ static int xc5000_fwupload(struct dvb_frontend* fe) printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n", XC5000_DEFAULT_FIRMWARE); - ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE, &priv->i2c->dev); + ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE, &priv->i2c_props.adap->dev); if (ret) { printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n"); ret = XC_RESULT_RESET_FAILURE; @@ -908,9 +914,19 @@ static int xc5000_init(struct dvb_frontend *fe) static int xc5000_release(struct dvb_frontend *fe) { + struct xc5000_priv *priv = fe->tuner_priv; + dprintk(1, "%s()\n", __func__); - kfree(fe->tuner_priv); + + mutex_lock(&xc5000_list_mutex); + + if (priv) + hybrid_tuner_release_state(priv); + + mutex_unlock(&xc5000_list_mutex); + fe->tuner_priv = NULL; + return 0; } @@ -938,26 +954,41 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, struct xc5000_config *cfg, void *devptr) { struct xc5000_priv *priv = NULL; + int instance; u16 id = 0; - dprintk(1, "%s()\n", __func__); + dprintk(1, "%s(%d-%04x)\n", __func__, + i2c ? i2c_adapter_id(i2c) : -1, + cfg ? cfg->i2c_address : -1); - priv = kzalloc(sizeof(struct xc5000_priv), GFP_KERNEL); - if (priv == NULL) - return NULL; + mutex_lock(&xc5000_list_mutex); - priv->cfg = cfg; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->i2c = i2c; - priv->devptr = devptr; + instance = hybrid_tuner_request_state(struct xc5000_priv, priv, + hybrid_tuner_instance_list, + i2c, cfg->i2c_address, "xc5000"); + switch (instance) { + case 0: + goto fail; + break; + case 1: + /* new tuner instance */ + priv->cfg = cfg; + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->devptr = devptr; + + fe->tuner_priv = priv; + break; + default: + /* existing tuner instance */ + fe->tuner_priv = priv; + break; + } /* Check if firmware has been loaded. It is possible that another instance of the driver has loaded the firmware. */ - if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0) { - kfree(priv); - return NULL; - } + if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0) + goto fail; switch(id) { case XC_PRODUCT_ID_FW_LOADED: @@ -978,19 +1009,23 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, printk(KERN_ERR "xc5000: Device not found at addr 0x%02x (0x%x)\n", cfg->i2c_address, id); - kfree(priv); - return NULL; + goto fail; } + mutex_unlock(&xc5000_list_mutex); + memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops, sizeof(struct dvb_tuner_ops)); - fe->tuner_priv = priv; - if (xc5000_load_fw_on_attach) xc5000_init(fe); return fe; +fail: + mutex_unlock(&xc5000_list_mutex); + + xc5000_release(fe); + return NULL; } EXPORT_SYMBOL(xc5000_attach); -- GitLab From 2a6003c20771ca16fc6386b5fd258df2f2fa8232 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 6 Sep 2008 13:54:45 -0300 Subject: [PATCH 3871/6244] V4L/DVB (8950): xc5000: prevent an OOPS if analog driver is unloaded while digital is in use Prevent an OOPS if xc5000_attach was called by tuner.ko before being called by the DVB adapter driver. The OOPS occurs when a digital tune request is made after tuner.ko is unloaded. When tuner.ko is unloaded, it takes the xc5000_config structure with it. Rather than storing a pointer to the xc5000_config structure, just store the if_khz and tuner_callback inside the xc5000_priv internal state structure. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc5000.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index 1850f7b7d961..72efc656ad0d 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -50,17 +50,17 @@ static LIST_HEAD(hybrid_tuner_instance_list); #define XC5000_DEFAULT_FIRMWARE_SIZE 12332 struct xc5000_priv { - struct xc5000_config *cfg; - struct tuner_i2c_props i2c_props; struct list_head hybrid_tuner_instance_list; + u32 if_khz; u32 freq_hz; u32 bandwidth; u8 video_standard; u8 rf_mode; void *devptr; + int (*tuner_callback) (void *priv, int command, int arg); }; /* Misc Defines */ @@ -233,9 +233,8 @@ static void xc5000_TunerReset(struct dvb_frontend *fe) dprintk(1, "%s()\n", __func__); - if (priv->cfg->tuner_callback) { - ret = priv->cfg->tuner_callback(priv->devptr, - XC5000_TUNER_RESET, 0); + if (priv->tuner_callback) { + ret = priv->tuner_callback(priv->devptr, XC5000_TUNER_RESET, 0); if (ret) printk(KERN_ERR "xc5000: reset failed\n"); } else @@ -692,10 +691,10 @@ static int xc5000_set_params(struct dvb_frontend *fe, return -EREMOTEIO; } - ret = xc_set_IF_frequency(priv, priv->cfg->if_khz); + ret = xc_set_IF_frequency(priv, priv->if_khz); if (ret != XC_RESULT_SUCCESS) { printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n", - priv->cfg->if_khz); + priv->if_khz); return -EIO; } @@ -972,9 +971,10 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, break; case 1: /* new tuner instance */ - priv->cfg = cfg; priv->bandwidth = BANDWIDTH_6_MHZ; priv->devptr = devptr; + priv->if_khz = cfg->if_khz; + priv->tuner_callback = cfg->tuner_callback; fe->tuner_priv = priv; break; -- GitLab From 30650961907368b1077cade35455fe931b14da6b Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 6 Sep 2008 14:56:58 -0300 Subject: [PATCH 3872/6244] V4L/DVB (8951): xc5000: dont pass devptr in xc5000_attach() Dont pass devptr in xc5000_attach, dont store it in xc5000_priv. This pointer is passed into the tuner_callback function, which always expects a pointer to fe->dvb->priv or i2c_adapter->algo_data. This prevents future possible bugs in new drivers, such as using a "devptr" other that the standard fe->dvb->priv in a DVB driver. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc5000.c | 9 +++++---- drivers/media/common/tuners/xc5000.h | 6 ++---- drivers/media/video/au0828/au0828-dvb.c | 5 ++--- drivers/media/video/cx23885/cx23885-dvb.c | 8 ++++---- drivers/media/video/cx88/cx88-dvb.c | 12 ++---------- drivers/media/video/tuner-core.c | 3 +-- 6 files changed, 16 insertions(+), 27 deletions(-) diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index 72efc656ad0d..ccc4dae4126a 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -59,7 +59,6 @@ struct xc5000_priv { u8 video_standard; u8 rf_mode; - void *devptr; int (*tuner_callback) (void *priv, int command, int arg); }; @@ -234,7 +233,10 @@ static void xc5000_TunerReset(struct dvb_frontend *fe) dprintk(1, "%s()\n", __func__); if (priv->tuner_callback) { - ret = priv->tuner_callback(priv->devptr, XC5000_TUNER_RESET, 0); + ret = priv->tuner_callback(((fe->dvb) && (fe->dvb->priv)) ? + fe->dvb->priv : + priv->i2c_props.adap->algo_data, + XC5000_TUNER_RESET, 0); if (ret) printk(KERN_ERR "xc5000: reset failed\n"); } else @@ -950,7 +952,7 @@ static const struct dvb_tuner_ops xc5000_tuner_ops = { struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, - struct xc5000_config *cfg, void *devptr) + struct xc5000_config *cfg) { struct xc5000_priv *priv = NULL; int instance; @@ -972,7 +974,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, case 1: /* new tuner instance */ priv->bandwidth = BANDWIDTH_6_MHZ; - priv->devptr = devptr; priv->if_khz = cfg->if_khz; priv->tuner_callback = cfg->tuner_callback; diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h index 5389f740945a..fa0321cfd179 100644 --- a/drivers/media/common/tuners/xc5000.h +++ b/drivers/media/common/tuners/xc5000.h @@ -49,13 +49,11 @@ struct xc5000_config { (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE)) extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, - struct xc5000_config *cfg, - void *devptr); + struct xc5000_config *cfg); #else static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, - struct xc5000_config *cfg, - void *devptr) + struct xc5000_config *cfg) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c index ba94be7e0ac1..96246959dce1 100644 --- a/drivers/media/video/au0828/au0828-dvb.c +++ b/drivers/media/video/au0828/au0828-dvb.c @@ -358,9 +358,8 @@ int au0828_dvb_register(struct au0828_dev *dev) &hauppauge_hvr950q_config, &dev->i2c_adap); if (dvb->frontend != NULL) - dvb_attach(xc5000_attach, dvb->frontend, - &dev->i2c_adap, - &hauppauge_hvr950q_tunerconfig, dev); + dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap, + &hauppauge_hvr950q_tunerconfig); break; case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL: dvb->frontend = dvb_attach(au8522_attach, diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index b85cb39b101d..f462efde72ad 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -390,8 +390,8 @@ static int dvb_register(struct cx23885_tsport *port) &dev->i2c_bus[0].i2c_adap); if (port->dvb.frontend != NULL) dvb_attach(xc5000_attach, port->dvb.frontend, - &i2c_bus->i2c_adap, - &hauppauge_hvr1500q_tunerconfig, port); + &i2c_bus->i2c_adap, + &hauppauge_hvr1500q_tunerconfig); break; case CX23885_BOARD_HAUPPAUGE_HVR1500: i2c_bus = &dev->i2c_bus[1]; @@ -471,8 +471,8 @@ static int dvb_register(struct cx23885_tsport *port) &i2c_bus->i2c_adap); if (port->dvb.frontend != NULL) dvb_attach(xc5000_attach, port->dvb.frontend, - &i2c_bus->i2c_adap, - &dvico_xc5000_tunerconfig, port); + &i2c_bus->i2c_adap, + &dvico_xc5000_tunerconfig); break; case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: { i2c_bus = &dev->i2c_bus[port->nr - 1]; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index d96173ff1dba..07270b77ed8a 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -813,13 +813,9 @@ static int dvb_register(struct cx8802_dev *dev) &pinnacle_pctv_hd_800i_config, &core->i2c_adap); if (dev->dvb.frontend != NULL) { - /* tuner_config.video_dev must point to - * i2c_adap.algo_data - */ if (!dvb_attach(xc5000_attach, dev->dvb.frontend, &core->i2c_adap, - &pinnacle_pctv_hd_800i_tuner_config, - core->i2c_adap.algo_data)) + &pinnacle_pctv_hd_800i_tuner_config)) goto frontend_detach; } break; @@ -874,13 +870,9 @@ static int dvb_register(struct cx8802_dev *dev) &dvico_fusionhdtv7_config, &core->i2c_adap); if (dev->dvb.frontend != NULL) { - /* tuner_config.video_dev must point to - * i2c_adap.algo_data - */ if (!dvb_attach(xc5000_attach, dev->dvb.frontend, &core->i2c_adap, - &dvico_fusionhdtv7_tuner_config, - core->i2c_adap.algo_data)) + &dvico_fusionhdtv7_tuner_config)) goto frontend_detach; } break; diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index d806a3556eed..39c7b9b835a3 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -452,8 +452,7 @@ static void set_type(struct i2c_client *c, unsigned int type, xc5000_cfg.if_khz = 5380; xc5000_cfg.tuner_callback = t->tuner_callback; if (!dvb_attach(xc5000_attach, - &t->fe, t->i2c->adapter, &xc5000_cfg, - c->adapter->algo_data)) + &t->fe, t->i2c->adapter, &xc5000_cfg)) goto attach_failed; xc_tuner_ops = &t->fe.ops.tuner_ops; -- GitLab From c9166977efdb6480dbac13df226113eb75026606 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Tue, 9 Sep 2008 10:10:52 -0300 Subject: [PATCH 3873/6244] V4L/DVB: remove unused #include The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/media/video/pwc/pwc-ctrl.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pwc/pwc-ctrl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index dbc560742553..c66530210192 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -41,7 +41,6 @@ #include #endif #include -#include #include "pwc.h" #include "pwc-uncompress.h" -- GitLab From c87994db017a5a28af2edd043669a371d800919e Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 11 Sep 2008 09:33:26 -0300 Subject: [PATCH 3874/6244] V4L/DVB (8954): common/tuners: Drop code after return or goto The break after the return or goto serves no purpose. Signed-off-by: Julia Lawall Reviewed-by: Richard Genoud Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/mxl5007t.c | 1 - drivers/media/common/tuners/tda18271-fe.c | 1 - drivers/media/common/tuners/tda9887.c | 1 - drivers/media/common/tuners/tuner-simple.c | 1 - 4 files changed, 4 deletions(-) diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c index cb25e43502fe..64379f2bf237 100644 --- a/drivers/media/common/tuners/mxl5007t.c +++ b/drivers/media/common/tuners/mxl5007t.c @@ -979,7 +979,6 @@ struct dvb_frontend *mxl5007t_attach(struct dvb_frontend *fe, switch (instance) { case 0: goto fail; - break; case 1: /* new tuner instance */ state->config = cfg; diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 93063c6fbbf6..1b48b5d0bf1e 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -1155,7 +1155,6 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, switch (instance) { case 0: goto fail; - break; case 1: /* new tuner instance */ priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; diff --git a/drivers/media/common/tuners/tda9887.c b/drivers/media/common/tuners/tda9887.c index 72abf0b73486..ff1788cc5d48 100644 --- a/drivers/media/common/tuners/tda9887.c +++ b/drivers/media/common/tuners/tda9887.c @@ -686,7 +686,6 @@ struct dvb_frontend *tda9887_attach(struct dvb_frontend *fe, case 0: mutex_unlock(&tda9887_list_mutex); return NULL; - break; case 1: fe->analog_demod_priv = priv; priv->mode = T_STANDBY; diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index fc3a6a9d7c29..2a1aac1cc755 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -1040,7 +1040,6 @@ struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, case 0: mutex_unlock(&tuner_simple_list_mutex); return NULL; - break; case 1: fe->tuner_priv = priv; -- GitLab From 176c2f34157a8d8b252c8f0bc242457c971b06a1 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 7 Sep 2008 12:49:59 -0300 Subject: [PATCH 3875/6244] V4L/DVB (8956): bttv: Turn video_nr, vbi_nr and radio_nr into arrays With video_nr, vbi_nr and radio_nr being simple integers, it is not possible to use these parameters on a system with multiple bttv adapters (which happens to be my case.) video_register_device() will always fail on the second and later adapters. Turn these parameters into arrays, as many other V4L drivers are already doing, so that they can be used on such systems. Signed-off-by: Jean Delvare Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 26 +++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index ef205cd2a2a7..9bb247cdc28b 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -76,9 +76,9 @@ static unsigned int gbuffers = 8; static unsigned int gbufsize = 0x208000; static unsigned int reset_crop = 1; -static int video_nr = -1; -static int radio_nr = -1; -static int vbi_nr = -1; +static int video_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 }; +static int radio_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 }; +static int vbi_nr[BTTV_MAX] = { [0 ... (BTTV_MAX-1)] = -1 }; static int debug_latency; static unsigned int fdsr; @@ -108,9 +108,6 @@ module_param(irq_debug, int, 0644); module_param(debug_latency, int, 0644); module_param(fdsr, int, 0444); -module_param(video_nr, int, 0444); -module_param(radio_nr, int, 0444); -module_param(vbi_nr, int, 0444); module_param(gbuffers, int, 0444); module_param(gbufsize, int, 0444); module_param(reset_crop, int, 0444); @@ -130,7 +127,10 @@ module_param(uv_ratio, int, 0444); module_param(full_luma_range, int, 0444); module_param(coring, int, 0444); -module_param_array(radio, int, NULL, 0444); +module_param_array(radio, int, NULL, 0444); +module_param_array(video_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)"); MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian"); @@ -152,6 +152,9 @@ MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler"); MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50"); MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)"); MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)"); +MODULE_PARM_DESC(video_nr, "video device numbers"); +MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); +MODULE_PARM_DESC(radio_nr, "radio device numbers"); MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards"); MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr"); @@ -4252,7 +4255,8 @@ static int __devinit bttv_register_video(struct bttv *btv) if (NULL == btv->video_dev) goto err; - if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0) + if (video_register_device(btv->video_dev, VFL_TYPE_GRABBER, + video_nr[btv->c.nr]) < 0) goto err; printk(KERN_INFO "bttv%d: registered device video%d\n", btv->c.nr,btv->video_dev->minor & 0x1f); @@ -4268,7 +4272,8 @@ static int __devinit bttv_register_video(struct bttv *btv) if (NULL == btv->vbi_dev) goto err; - if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0) + if (video_register_device(btv->vbi_dev, VFL_TYPE_VBI, + vbi_nr[btv->c.nr]) < 0) goto err; printk(KERN_INFO "bttv%d: registered device vbi%d\n", btv->c.nr,btv->vbi_dev->minor & 0x1f); @@ -4279,7 +4284,8 @@ static int __devinit bttv_register_video(struct bttv *btv) btv->radio_dev = vdev_init(btv, &radio_template, "radio"); if (NULL == btv->radio_dev) goto err; - if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0) + if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO, + radio_nr[btv->c.nr]) < 0) goto err; printk(KERN_INFO "bttv%d: registered device radio%d\n", btv->c.nr,btv->radio_dev->minor & 0x1f); -- GitLab From 4c522e74902a1fa15a7ec5e5a3325b250afa54ab Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 10 Sep 2008 08:22:06 -0300 Subject: [PATCH 3876/6244] V4L/DVB (8959): include into linux/ivtv.h linux/videodev2.h defines enum v4l2_buf_type and struct v4l2_rect Signed-off-by: Kirill A. Shutemov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- include/linux/ivtv.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/ivtv.h b/include/linux/ivtv.h index 17ca64b5a66c..f2720280b9ec 100644 --- a/include/linux/ivtv.h +++ b/include/linux/ivtv.h @@ -23,6 +23,7 @@ #include #include +#include /* ivtv knows several distinct output modes: MPEG streaming, YUV streaming, YUV updates through user DMA and the passthrough -- GitLab From 8ca4dae3e601b527cb099ef72d821d7af075f8ae Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 7 Sep 2008 05:58:54 -0300 Subject: [PATCH 3877/6244] V4L/DVB (8962): zr36067: VIDIOC_S_FMT returns the colorspace value Ioctl VIDIOC_S_FMT is supposed to fill the colorspace value in the returned buffer. Signed-off-by: Jean Delvare Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/zoran_driver.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran_driver.c index f0af9b7f8ffc..25de7631443e 100644 --- a/drivers/media/video/zoran_driver.c +++ b/drivers/media/video/zoran_driver.c @@ -2917,6 +2917,8 @@ zoran_do_ioctl (struct inode *inode, fmt->fmt.pix.bytesperline = 0; fmt->fmt.pix.sizeimage = fh->jpg_buffers.buffer_size; + fmt->fmt.pix.colorspace = + V4L2_COLORSPACE_SMPTE170M; /* we hereby abuse this variable to show that * we're gonna do mjpeg capture */ @@ -2976,6 +2978,8 @@ zoran_do_ioctl (struct inode *inode, fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline; + fmt->fmt.pix.colorspace = + fh->v4l_settings.format->colorspace; if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2)) fmt->fmt.pix.field = -- GitLab From 26dc4d0487bb8b8de32d09c18a83c63d622156f2 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Sun, 21 Sep 2008 20:50:11 -0300 Subject: [PATCH 3878/6244] V4L/DVB (8964): dvb/budget: push adapter_nr mod option down to individual drivers adapter_nr mod option does not make sense for budget-core since it is only common code shared by all budget drivers Signed-off-by: Janne Grunau Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/budget-av.c | 6 +++++- drivers/media/dvb/ttpci/budget-ci.c | 5 ++++- drivers/media/dvb/ttpci/budget-core.c | 6 ++---- drivers/media/dvb/ttpci/budget-patch.c | 7 +++++-- drivers/media/dvb/ttpci/budget.c | 5 ++++- drivers/media/dvb/ttpci/budget.h | 2 +- 6 files changed, 21 insertions(+), 10 deletions(-) diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c index 839c94101b4e..1032ea77837e 100644 --- a/drivers/media/dvb/ttpci/budget-av.c +++ b/drivers/media/dvb/ttpci/budget-av.c @@ -57,6 +57,8 @@ #define SLOTSTATUS_READY 8 #define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY) +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + struct budget_av { struct budget budget; struct video_device *vd; @@ -1127,7 +1129,9 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio dev->ext_priv = budget_av; - if ((err = ttpci_budget_init(&budget_av->budget, dev, info, THIS_MODULE))) { + err = ttpci_budget_init(&budget_av->budget, dev, info, THIS_MODULE, + adapter_nr); + if (err) { kfree(budget_av); return err; } diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index 38dd5cf1aed2..0a5aad45435d 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -92,6 +92,8 @@ static int ir_debug; module_param(ir_debug, int, 0644); MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding"); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + struct budget_ci_ir { struct input_dev *dev; struct tasklet_struct msp430_irq_tasklet; @@ -1183,7 +1185,8 @@ static int budget_ci_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio dev->ext_priv = budget_ci; - err = ttpci_budget_init(&budget_ci->budget, dev, info, THIS_MODULE); + err = ttpci_budget_init(&budget_ci->budget, dev, info, THIS_MODULE, + adapter_nr); if (err) goto out2; diff --git a/drivers/media/dvb/ttpci/budget-core.c b/drivers/media/dvb/ttpci/budget-core.c index 6f4ddb643fee..ba18e56d5f11 100644 --- a/drivers/media/dvb/ttpci/budget-core.c +++ b/drivers/media/dvb/ttpci/budget-core.c @@ -57,8 +57,6 @@ module_param_named(bufsize, dma_buffer_size, int, 0444); MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off)."); MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)"); -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - /**************************************************************************** * TT budget / WinTV Nova ****************************************************************************/ @@ -411,7 +409,7 @@ static void budget_unregister(struct budget *budget) int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev, struct saa7146_pci_extension_data *info, - struct module *owner) + struct module *owner, short *adapter_nums) { int ret = 0; struct budget_info *bi = info->ext_priv; @@ -474,7 +472,7 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev, printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size); ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, - owner, &budget->dev->pci->dev, adapter_nr); + owner, &budget->dev->pci->dev, adapter_nums); if (ret < 0) return ret; diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c index bbd234fe11c1..60136688a9a4 100644 --- a/drivers/media/dvb/ttpci/budget-patch.c +++ b/drivers/media/dvb/ttpci/budget-patch.c @@ -39,6 +39,8 @@ #include "bsru6.h" +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + #define budget_patch budget static struct saa7146_extension budget_extension; @@ -592,8 +594,9 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte dprintk(2, "budget: %p\n", budget); - if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) { - kfree (budget); + err = ttpci_budget_init(budget, dev, info, THIS_MODULE, adapter_nr); + if (err) { + kfree(budget); return err; } diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index d95203d55403..1638e1d9f538 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -52,6 +52,8 @@ static int diseqc_method; module_param(diseqc_method, int, 0444); MODULE_PARM_DESC(diseqc_method, "Select DiSEqC method for subsystem id 13c2:1003, 0: default, 1: more reliable (for newer revisions only)"); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + static void Set22K (struct budget *budget, int state) { struct saa7146_dev *dev=budget->dev; @@ -598,7 +600,8 @@ static int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_ dev->ext_priv = budget; - if ((err = ttpci_budget_init (budget, dev, info, THIS_MODULE))) { + err = ttpci_budget_init(budget, dev, info, THIS_MODULE, adapter_nr); + if (err) { printk("==> failed\n"); kfree (budget); return err; diff --git a/drivers/media/dvb/ttpci/budget.h b/drivers/media/dvb/ttpci/budget.h index dd450b739bff..86435bf16260 100644 --- a/drivers/media/dvb/ttpci/budget.h +++ b/drivers/media/dvb/ttpci/budget.h @@ -109,7 +109,7 @@ static struct saa7146_pci_extension_data x_var = { \ extern int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev, struct saa7146_pci_extension_data *info, - struct module *owner); + struct module *owner, short *adapter_nums); extern void ttpci_budget_init_hooks(struct budget *budget); extern int ttpci_budget_deinit(struct budget *budget); extern void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 * isr); -- GitLab From de3e3b82a6d15264798d4e36f42abaa69f53ca06 Mon Sep 17 00:00:00 2001 From: roel kluin Date: Thu, 18 Sep 2008 17:50:15 -0300 Subject: [PATCH 3879/6244] V4L/DVB: pxa-camera: Unsigned dma_chans[] cannot be negative Unsigned dma_chans[] cannot be negative Also the third time dma_chans[0] < 0 was tested instead of dma_chans[2] Signed-off-by: Roel Kluin Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/pxa_camera.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c index 14569b591388..eb6be5802928 100644 --- a/drivers/media/video/pxa_camera.c +++ b/drivers/media/video/pxa_camera.c @@ -1120,31 +1120,31 @@ static int pxa_camera_probe(struct platform_device *pdev) pcdev->dev = &pdev->dev; /* request dma */ - pcdev->dma_chans[0] = pxa_request_dma("CI_Y", DMA_PRIO_HIGH, - pxa_camera_dma_irq_y, pcdev); - if (pcdev->dma_chans[0] < 0) { + err = pxa_request_dma("CI_Y", DMA_PRIO_HIGH, + pxa_camera_dma_irq_y, pcdev); + if (err < 0) { dev_err(pcdev->dev, "Can't request DMA for Y\n"); - err = -ENOMEM; goto exit_iounmap; } + pcdev->dma_chans[0] = err; dev_dbg(pcdev->dev, "got DMA channel %d\n", pcdev->dma_chans[0]); - pcdev->dma_chans[1] = pxa_request_dma("CI_U", DMA_PRIO_HIGH, - pxa_camera_dma_irq_u, pcdev); - if (pcdev->dma_chans[1] < 0) { + err = pxa_request_dma("CI_U", DMA_PRIO_HIGH, + pxa_camera_dma_irq_u, pcdev); + if (err < 0) { dev_err(pcdev->dev, "Can't request DMA for U\n"); - err = -ENOMEM; goto exit_free_dma_y; } + pcdev->dma_chans[1] = err; dev_dbg(pcdev->dev, "got DMA channel (U) %d\n", pcdev->dma_chans[1]); - pcdev->dma_chans[2] = pxa_request_dma("CI_V", DMA_PRIO_HIGH, - pxa_camera_dma_irq_v, pcdev); - if (pcdev->dma_chans[0] < 0) { + err = pxa_request_dma("CI_V", DMA_PRIO_HIGH, + pxa_camera_dma_irq_v, pcdev); + if (err < 0) { dev_err(pcdev->dev, "Can't request DMA for V\n"); - err = -ENOMEM; goto exit_free_dma_u; } + pcdev->dma_chans[2] = err; dev_dbg(pcdev->dev, "got DMA channel (V) %d\n", pcdev->dma_chans[2]); DRCMR(68) = pcdev->dma_chans[0] | DRCMR_MAPVLD; -- GitLab From ef80bfeb30f82fb718731a3323a75ae08396a4ea Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 16 Sep 2008 02:15:30 -0300 Subject: [PATCH 3880/6244] V4L/DVB (8968): replace xc3028 firmware filenames with defined default firmware names Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/cxusb.c | 2 +- drivers/media/video/cx23885/cx23885-dvb.c | 8 ++++---- drivers/media/video/cx88/cx88-dvb.c | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index bffb44380389..1a746127cbda 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -773,7 +773,7 @@ static int cxusb_dvico_xc3028_tuner_attach(struct dvb_usb_adapter *adap) .callback = dvico_bluebird_xc2028_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028-v27.fw", + .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .demod = XC3028_FE_ZARLINK456, }; diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index f462efde72ad..3b54f1391803 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -407,7 +407,7 @@ static int dvb_register(struct cx23885_tsport *port) .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028-v27.fw", + .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .scode_table = XC3028_FE_OREN538, }; @@ -447,7 +447,7 @@ static int dvb_register(struct cx23885_tsport *port) .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028L-v36.fw", + .fname = XC3028L_DEFAULT_FIRMWARE, .max_len = 64, .demod = 5000, .d2633 = 1 @@ -489,7 +489,7 @@ static int dvb_register(struct cx23885_tsport *port) .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028-v27.fw", + .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .demod = XC3028_FE_ZARLINK456, }; @@ -516,7 +516,7 @@ static int dvb_register(struct cx23885_tsport *port) .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028-v27.fw", + .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .demod = XC3028_FE_ZARLINK456, }; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 07270b77ed8a..9f0e5b3c515e 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -831,7 +831,7 @@ static int dvb_register(struct cx8802_dev *dev) .callback = cx88_pci_nano_callback, }; static struct xc2028_ctrl ctl = { - .fname = "xc3028-v27.fw", + .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .scode_table = XC3028_FE_OREN538, }; -- GitLab From 6e623433f7f566d8aca64c519a19c2f7bbb686be Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 15 Sep 2008 14:34:31 -0300 Subject: [PATCH 3881/6244] V4L/DVB (8970): mt2060: implement I2C-gate control - implement I2C-gate control Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/mt2060.c | 38 ++++++++++++++++++++++++++-- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/drivers/media/common/tuners/mt2060.c b/drivers/media/common/tuners/mt2060.c index 1305b0e63ce5..12206d75dd4e 100644 --- a/drivers/media/common/tuners/mt2060.c +++ b/drivers/media/common/tuners/mt2060.c @@ -170,6 +170,9 @@ static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame b[0] = REG_LO1B1; b[1] = 0xFF; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + mt2060_writeregs(priv,b,2); freq = params->frequency / 1000; // Hz -> kHz @@ -233,6 +236,9 @@ static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame i++; } while (i<10); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + return ret; } @@ -296,13 +302,35 @@ static int mt2060_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) static int mt2060_init(struct dvb_frontend *fe) { struct mt2060_priv *priv = fe->tuner_priv; - return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x33); + int ret; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + + ret = mt2060_writereg(priv, REG_VGAG, + (priv->cfg->clock_out << 6) | 0x33); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + + return ret; } static int mt2060_sleep(struct dvb_frontend *fe) { struct mt2060_priv *priv = fe->tuner_priv; - return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30); + int ret; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + + ret = mt2060_writereg(priv, REG_VGAG, + (priv->cfg->clock_out << 6) | 0x30); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + + return ret; } static int mt2060_release(struct dvb_frontend *fe) @@ -344,6 +372,9 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter priv->i2c = i2c; priv->if1_freq = if1; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */ + if (mt2060_readreg(priv,REG_PART_REV,&id) != 0) { kfree(priv); return NULL; @@ -360,6 +391,9 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter mt2060_calibrate(priv); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */ + return fe; } EXPORT_SYMBOL(mt2060_attach); -- GitLab From 825b96708054ca16d6e4d56a29326d3b2cdd697d Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 15 Sep 2008 15:01:52 -0300 Subject: [PATCH 3882/6244] V4L/DVB (8971): initial driver for af9013 demodulator - initial driver for the Afatech AF9013 demodulator Signed-off-by: Antti Palosaari [mchehab.redhat.com: having a global var called 'debug' is not a good idea. rename it to af9013_debug] Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/Kconfig | 6 + drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/af9013.c | 1691 +++++++++++++++++++++ drivers/media/dvb/frontends/af9013.h | 107 ++ drivers/media/dvb/frontends/af9013_priv.h | 869 +++++++++++ 5 files changed, 2674 insertions(+) create mode 100644 drivers/media/dvb/frontends/af9013.c create mode 100644 drivers/media/dvb/frontends/af9013.h create mode 100644 drivers/media/dvb/frontends/af9013_priv.h diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index e2444f270f0a..097d9f00144f 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -398,4 +398,10 @@ config DVB_DUMMY_FE tristate "Dummy frontend driver" default n +config DVB_AF9013 + tristate "Afatech AF9013 demodulator" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + Say Y when you want to support this frontend. endmenu diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index ca24618d5da8..1b5478886240 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -50,3 +50,4 @@ obj-$(CONFIG_DVB_TDA10048) += tda10048.o obj-$(CONFIG_DVB_S5H1411) += s5h1411.o obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o +obj-$(CONFIG_DVB_AF9013) += af9013.o diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c new file mode 100644 index 000000000000..9f2129d544c5 --- /dev/null +++ b/drivers/media/dvb/frontends/af9013.c @@ -0,0 +1,1691 @@ +/* + * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver + * + * Copyright (C) 2007 Antti Palosaari + * + * Thanks to Afatech who kindly provided information. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "af9013_priv.h" +#include "af9013.h" + +int af9013_debug; + +struct af9013_state { + struct i2c_adapter *i2c; + struct dvb_frontend frontend; + + struct af9013_config config; + + u16 signal_strength; + u32 ber; + u32 ucblocks; + u16 snr; + u32 frequency; + unsigned long next_statistics_check; +}; + +static u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; + +static int af9013_write_regs(struct af9013_state *state, u8 mbox, u16 reg, + u8 *val, u8 len) +{ + u8 buf[3+len]; + struct i2c_msg msg = { + .addr = state->config.demod_address, + .flags = 0, + .len = sizeof(buf), + .buf = buf }; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + buf[2] = mbox; + memcpy(&buf[3], val, len); + + if (i2c_transfer(state->i2c, &msg, 1) != 1) { + warn("I2C write failed reg:%04x len:%d", reg, len); + return -EREMOTEIO; + } + return 0; +} + +static int af9013_write_ofdm_regs(struct af9013_state *state, u16 reg, u8 *val, + u8 len) +{ + u8 mbox = (1 << 0)|(1 << 1)|((len - 1) << 2)|(0 << 6)|(0 << 7); + return af9013_write_regs(state, mbox, reg, val, len); +} + +static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val, + u8 len) +{ + u8 mbox = (1 << 0)|(1 << 1)|((len - 1) << 2)|(1 << 6)|(1 << 7); + return af9013_write_regs(state, mbox, reg, val, len); +} + +/* write single register */ +static int af9013_write_reg(struct af9013_state *state, u16 reg, u8 val) +{ + return af9013_write_ofdm_regs(state, reg, &val, 1); +} + +/* read single register */ +static int af9013_read_reg(struct af9013_state *state, u16 reg, u8 *val) +{ + u8 obuf[3] = { reg >> 8, reg & 0xff, 0 }; + u8 ibuf[1]; + struct i2c_msg msg[2] = { + { + .addr = state->config.demod_address, + .flags = 0, + .len = sizeof(obuf), + .buf = obuf + }, { + .addr = state->config.demod_address, + .flags = I2C_M_RD, + .len = sizeof(ibuf), + .buf = ibuf + } + }; + + if (i2c_transfer(state->i2c, msg, 2) != 2) { + warn("I2C read failed reg:%04x", reg); + return -EREMOTEIO; + } + *val = ibuf[0]; + return 0; +} + +static int af9013_write_reg_bits(struct af9013_state *state, u16 reg, u8 pos, + u8 len, u8 val) +{ + int ret; + u8 tmp, mask; + + ret = af9013_read_reg(state, reg, &tmp); + if (ret) + return ret; + + mask = regmask[len - 1] << pos; + tmp = (tmp & ~mask) | ((val << pos) & mask); + + return af9013_write_reg(state, reg, tmp); +} + +static int af9013_read_reg_bits(struct af9013_state *state, u16 reg, u8 pos, + u8 len, u8 *val) +{ + int ret; + u8 tmp; + + ret = af9013_read_reg(state, reg, &tmp); + if (ret) + return ret; + *val = (tmp >> pos) & regmask[len - 1]; + return 0; +} + +static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval) +{ + int ret; + u8 pos; + u16 addr; + deb_info("%s: gpio:%d gpioval:%02x\n", __func__, gpio, gpioval); + +/* GPIO0 & GPIO1 0xd735 + GPIO2 & GPIO3 0xd736 */ + + switch (gpio) { + case 0: + case 1: + addr = 0xd735; + break; + case 2: + case 3: + addr = 0xd736; + break; + + default: + err("invalid gpio:%d\n", gpio); + ret = -EINVAL; + goto error; + }; + + switch (gpio) { + case 0: + case 2: + pos = 0; + break; + case 1: + case 3: + default: + pos = 4; + break; + }; + + ret = af9013_write_reg_bits(state, addr, pos, 4, gpioval); + +error: + return ret; +} + +static u32 af913_div(u32 a, u32 b, u32 x) +{ + u32 r = 0, c = 0, i; + deb_info("%s: a:%d b:%d x:%d\n", __func__, a, b, x); + + if (a > b) { + c = a / b; + a = a - c * b; + } + + for (i = 0; i < x; i++) { + if (a >= b) { + r += 1; + a -= b; + } + a <<= 1; + r <<= 1; + } + r = (c << (u32)x) + r; + + deb_info("%s: a:%d b:%d x:%d r:%d r:%x\n", __func__, a, b, x, r, r); + return r; +} + +static int af9013_set_coeff(struct af9013_state *state, fe_bandwidth_t bw) +{ + int ret = 0; + u8 i = 0; + u8 buf[24]; + u32 ns_coeff1_2048nu; + u32 ns_coeff1_8191nu; + u32 ns_coeff1_8192nu; + u32 ns_coeff1_8193nu; + u32 ns_coeff2_2k; + u32 ns_coeff2_8k; + + deb_info("%s: adc_clock:%d bw:%d\n", __func__, + state->config.adc_clock, bw); + + switch (state->config.adc_clock) { + case 28800: /* 28.800 MHz */ + switch (bw) { + case BANDWIDTH_6_MHZ: + ns_coeff1_2048nu = 0x01e79e7a; + ns_coeff1_8191nu = 0x0079eb6e; + ns_coeff1_8192nu = 0x0079e79e; + ns_coeff1_8193nu = 0x0079e3cf; + ns_coeff2_2k = 0x00f3cf3d; + ns_coeff2_8k = 0x003cf3cf; + break; + case BANDWIDTH_7_MHZ: + ns_coeff1_2048nu = 0x0238e38e; + ns_coeff1_8191nu = 0x008e3d55; + ns_coeff1_8192nu = 0x008e38e4; + ns_coeff1_8193nu = 0x008e3472; + ns_coeff2_2k = 0x011c71c7; + ns_coeff2_8k = 0x00471c72; + break; + case BANDWIDTH_8_MHZ: + ns_coeff1_2048nu = 0x028a28a3; + ns_coeff1_8191nu = 0x00a28f3d; + ns_coeff1_8192nu = 0x00a28a29; + ns_coeff1_8193nu = 0x00a28514; + ns_coeff2_2k = 0x01451451; + ns_coeff2_8k = 0x00514514; + break; + default: + ret = -EINVAL; + } + break; + case 20480: /* 20.480 MHz */ + switch (bw) { + case BANDWIDTH_6_MHZ: + ns_coeff1_2048nu = 0x02adb6dc; + ns_coeff1_8191nu = 0x00ab7313; + ns_coeff1_8192nu = 0x00ab6db7; + ns_coeff1_8193nu = 0x00ab685c; + ns_coeff2_2k = 0x0156db6e; + ns_coeff2_8k = 0x0055b6dc; + break; + case BANDWIDTH_7_MHZ: + ns_coeff1_2048nu = 0x03200001; + ns_coeff1_8191nu = 0x00c80640; + ns_coeff1_8192nu = 0x00c80000; + ns_coeff1_8193nu = 0x00c7f9c0; + ns_coeff2_2k = 0x01900000; + ns_coeff2_8k = 0x00640000; + break; + case BANDWIDTH_8_MHZ: + ns_coeff1_2048nu = 0x03924926; + ns_coeff1_8191nu = 0x00e4996e; + ns_coeff1_8192nu = 0x00e49249; + ns_coeff1_8193nu = 0x00e48b25; + ns_coeff2_2k = 0x01c92493; + ns_coeff2_8k = 0x00724925; + break; + default: + ret = -EINVAL; + } + break; + case 28000: /* 28.000 MHz */ + switch (bw) { + case BANDWIDTH_6_MHZ: + ns_coeff1_2048nu = 0x01f58d10; + ns_coeff1_8191nu = 0x007d672f; + ns_coeff1_8192nu = 0x007d6344; + ns_coeff1_8193nu = 0x007d5f59; + ns_coeff2_2k = 0x00fac688; + ns_coeff2_8k = 0x003eb1a2; + break; + case BANDWIDTH_7_MHZ: + ns_coeff1_2048nu = 0x02492492; + ns_coeff1_8191nu = 0x00924db7; + ns_coeff1_8192nu = 0x00924925; + ns_coeff1_8193nu = 0x00924492; + ns_coeff2_2k = 0x01249249; + ns_coeff2_8k = 0x00492492; + break; + case BANDWIDTH_8_MHZ: + ns_coeff1_2048nu = 0x029cbc15; + ns_coeff1_8191nu = 0x00a7343f; + ns_coeff1_8192nu = 0x00a72f05; + ns_coeff1_8193nu = 0x00a729cc; + ns_coeff2_2k = 0x014e5e0a; + ns_coeff2_8k = 0x00539783; + break; + default: + ret = -EINVAL; + } + break; + case 25000: /* 25.000 MHz */ + switch (bw) { + case BANDWIDTH_6_MHZ: + ns_coeff1_2048nu = 0x0231bcb5; + ns_coeff1_8191nu = 0x008c7391; + ns_coeff1_8192nu = 0x008c6f2d; + ns_coeff1_8193nu = 0x008c6aca; + ns_coeff2_2k = 0x0118de5b; + ns_coeff2_8k = 0x00463797; + break; + case BANDWIDTH_7_MHZ: + ns_coeff1_2048nu = 0x028f5c29; + ns_coeff1_8191nu = 0x00a3dc29; + ns_coeff1_8192nu = 0x00a3d70a; + ns_coeff1_8193nu = 0x00a3d1ec; + ns_coeff2_2k = 0x0147ae14; + ns_coeff2_8k = 0x0051eb85; + break; + case BANDWIDTH_8_MHZ: + ns_coeff1_2048nu = 0x02ecfb9d; + ns_coeff1_8191nu = 0x00bb44c1; + ns_coeff1_8192nu = 0x00bb3ee7; + ns_coeff1_8193nu = 0x00bb390d; + ns_coeff2_2k = 0x01767dce; + ns_coeff2_8k = 0x005d9f74; + break; + default: + ret = -EINVAL; + } + break; + default: + err("invalid xtal"); + return -EINVAL; + } + if (ret) { + err("invalid bandwidth"); + return ret; + } + + buf[i++] = (u8) ((ns_coeff1_2048nu & 0x03000000) >> 24); + buf[i++] = (u8) ((ns_coeff1_2048nu & 0x00ff0000) >> 16); + buf[i++] = (u8) ((ns_coeff1_2048nu & 0x0000ff00) >> 8); + buf[i++] = (u8) ((ns_coeff1_2048nu & 0x000000ff)); + buf[i++] = (u8) ((ns_coeff2_2k & 0x01c00000) >> 22); + buf[i++] = (u8) ((ns_coeff2_2k & 0x003fc000) >> 14); + buf[i++] = (u8) ((ns_coeff2_2k & 0x00003fc0) >> 6); + buf[i++] = (u8) ((ns_coeff2_2k & 0x0000003f)); + buf[i++] = (u8) ((ns_coeff1_8191nu & 0x03000000) >> 24); + buf[i++] = (u8) ((ns_coeff1_8191nu & 0x00ffc000) >> 16); + buf[i++] = (u8) ((ns_coeff1_8191nu & 0x0000ff00) >> 8); + buf[i++] = (u8) ((ns_coeff1_8191nu & 0x000000ff)); + buf[i++] = (u8) ((ns_coeff1_8192nu & 0x03000000) >> 24); + buf[i++] = (u8) ((ns_coeff1_8192nu & 0x00ffc000) >> 16); + buf[i++] = (u8) ((ns_coeff1_8192nu & 0x0000ff00) >> 8); + buf[i++] = (u8) ((ns_coeff1_8192nu & 0x000000ff)); + buf[i++] = (u8) ((ns_coeff1_8193nu & 0x03000000) >> 24); + buf[i++] = (u8) ((ns_coeff1_8193nu & 0x00ffc000) >> 16); + buf[i++] = (u8) ((ns_coeff1_8193nu & 0x0000ff00) >> 8); + buf[i++] = (u8) ((ns_coeff1_8193nu & 0x000000ff)); + buf[i++] = (u8) ((ns_coeff2_8k & 0x01c00000) >> 22); + buf[i++] = (u8) ((ns_coeff2_8k & 0x003fc000) >> 14); + buf[i++] = (u8) ((ns_coeff2_8k & 0x00003fc0) >> 6); + buf[i++] = (u8) ((ns_coeff2_8k & 0x0000003f)); + + deb_info("%s: coeff:", __func__); + debug_dump(buf, sizeof(buf), deb_info); + + /* program */ + for (i = 0; i < sizeof(buf); i++) { + ret = af9013_write_reg(state, 0xae00 + i, buf[i]); + if (ret) + break; + } + + return ret; +} + +static int af9013_set_adc_ctrl(struct af9013_state *state) +{ + int ret; + u8 buf[3], tmp, i; + u32 adc_cw; + + deb_info("%s: adc_clock:%d\n", __func__, state->config.adc_clock); + + /* adc frequency type */ + switch (state->config.adc_clock) { + case 28800: /* 28.800 MHz */ + tmp = 0; + break; + case 20480: /* 20.480 MHz */ + tmp = 1; + break; + case 28000: /* 28.000 MHz */ + tmp = 2; + break; + case 25000: /* 25.000 MHz */ + tmp = 3; + break; + default: + err("invalid xtal"); + return -EINVAL; + } + + adc_cw = af913_div(state->config.adc_clock*1000, 1000000ul, 19ul); + + buf[0] = (u8) ((adc_cw & 0x000000ff)); + buf[1] = (u8) ((adc_cw & 0x0000ff00) >> 8); + buf[2] = (u8) ((adc_cw & 0x00ff0000) >> 16); + + deb_info("%s: adc_cw:", __func__); + debug_dump(buf, sizeof(buf), deb_info); + + /* program */ + for (i = 0; i < sizeof(buf); i++) { + ret = af9013_write_reg(state, 0xd180 + i, buf[i]); + if (ret) + goto error; + } + ret = af9013_write_reg_bits(state, 0x9bd2, 0, 4, tmp); +error: + return ret; +} + +static int af9013_set_freq_ctrl(struct af9013_state *state, fe_bandwidth_t bw) +{ + int ret; + u16 addr; + u8 buf[3], i, j; + u32 adc_freq, freq_cw; + s8 bfs_spec_inv; + int if_sample_freq; + + for (j = 0; j < 3; j++) { + if (j == 0) { + addr = 0xd140; /* fcw normal */ + bfs_spec_inv = state->config.rf_spec_inv ? -1 : 1; + } else if (j == 1) { + addr = 0x9be7; /* fcw dummy ram */ + bfs_spec_inv = state->config.rf_spec_inv ? -1 : 1; + } else { + addr = 0x9bea; /* fcw inverted */ + bfs_spec_inv = state->config.rf_spec_inv ? 1 : -1; + } + + adc_freq = state->config.adc_clock * 1000; + if_sample_freq = state->config.tuner_if * 1000; + + /* TDA18271 uses different sampling freq for every bw */ + if (state->config.tuner == AF9013_TUNER_TDA18271) { + switch (bw) { + case BANDWIDTH_6_MHZ: + if_sample_freq = 3300000; /* 3.3 MHz */ + break; + case BANDWIDTH_7_MHZ: + if_sample_freq = 3800000; /* 3.8 MHz */ + break; + case BANDWIDTH_8_MHZ: + default: + if_sample_freq = 4300000; /* 4.3 MHz */ + break; + } + } + + while (if_sample_freq > (adc_freq / 2)) + if_sample_freq = if_sample_freq - adc_freq; + + if (if_sample_freq >= 0) + bfs_spec_inv = bfs_spec_inv * (-1); + else + if_sample_freq = if_sample_freq * (-1); + + freq_cw = af913_div(if_sample_freq, adc_freq, 23ul); + + if (bfs_spec_inv == -1) + freq_cw = 0x00800000 - freq_cw; + + buf[0] = (u8) ((freq_cw & 0x000000ff)); + buf[1] = (u8) ((freq_cw & 0x0000ff00) >> 8); + buf[2] = (u8) ((freq_cw & 0x007f0000) >> 16); + + + deb_info("%s: freq_cw:", __func__); + debug_dump(buf, sizeof(buf), deb_info); + + /* program */ + for (i = 0; i < sizeof(buf); i++) { + ret = af9013_write_reg(state, addr++, buf[i]); + if (ret) + goto error; + } + } +error: + return ret; +} + +static int af9013_set_ofdm_params(struct af9013_state *state, + struct dvb_ofdm_parameters *params, u8 *auto_mode) +{ + int ret; + u8 i, buf[3] = {0, 0, 0}; + *auto_mode = 0; /* set if parameters are requested to auto set */ + + switch (params->transmission_mode) { + case TRANSMISSION_MODE_AUTO: + *auto_mode = 1; + case TRANSMISSION_MODE_2K: + break; + case TRANSMISSION_MODE_8K: + buf[0] |= (1 << 0); + break; + default: + return -EINVAL; + } + + switch (params->guard_interval) { + case GUARD_INTERVAL_AUTO: + *auto_mode = 1; + case GUARD_INTERVAL_1_32: + break; + case GUARD_INTERVAL_1_16: + buf[0] |= (1 << 2); + break; + case GUARD_INTERVAL_1_8: + buf[0] |= (2 << 2); + break; + case GUARD_INTERVAL_1_4: + buf[0] |= (3 << 2); + break; + default: + return -EINVAL; + } + + switch (params->hierarchy_information) { + case HIERARCHY_AUTO: + *auto_mode = 1; + case HIERARCHY_NONE: + break; + case HIERARCHY_1: + buf[0] |= (1 << 4); + break; + case HIERARCHY_2: + buf[0] |= (2 << 4); + break; + case HIERARCHY_4: + buf[0] |= (3 << 4); + break; + default: + return -EINVAL; + }; + + switch (params->constellation) { + case QAM_AUTO: + *auto_mode = 1; + case QPSK: + break; + case QAM_16: + buf[1] |= (1 << 6); + break; + case QAM_64: + buf[1] |= (2 << 6); + break; + default: + return -EINVAL; + } + + /* Use HP. How and which case we can switch to LP? */ + buf[1] |= (1 << 4); + + switch (params->code_rate_HP) { + case FEC_AUTO: + *auto_mode = 1; + case FEC_1_2: + break; + case FEC_2_3: + buf[2] |= (1 << 0); + break; + case FEC_3_4: + buf[2] |= (2 << 0); + break; + case FEC_5_6: + buf[2] |= (3 << 0); + break; + case FEC_7_8: + buf[2] |= (4 << 0); + break; + default: + return -EINVAL; + } + + switch (params->code_rate_LP) { + case FEC_AUTO: + /* if HIERARCHY_NONE and FEC_NONE then LP FEC is set to FEC_AUTO + by dvb_frontend.c for compatibility */ + if (params->hierarchy_information != HIERARCHY_NONE) + *auto_mode = 1; + case FEC_1_2: + break; + case FEC_2_3: + buf[2] |= (1 << 3); + break; + case FEC_3_4: + buf[2] |= (2 << 3); + break; + case FEC_5_6: + buf[2] |= (3 << 3); + break; + case FEC_7_8: + buf[2] |= (4 << 3); + break; + case FEC_NONE: + if (params->hierarchy_information == HIERARCHY_AUTO) + break; + default: + return -EINVAL; + } + + switch (params->bandwidth) { + case BANDWIDTH_6_MHZ: + break; + case BANDWIDTH_7_MHZ: + buf[1] |= (1 << 2); + break; + case BANDWIDTH_8_MHZ: + buf[1] |= (2 << 2); + break; + default: + return -EINVAL; + } + + /* program */ + for (i = 0; i < sizeof(buf); i++) { + ret = af9013_write_reg(state, 0xd3c0 + i, buf[i]); + if (ret) + break; + } + + return ret; +} + +static int af9013_reset(struct af9013_state *state, u8 sleep) +{ + int ret; + u8 tmp, i; + deb_info("%s\n", __func__); + + /* enable OFDM reset */ + ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 1); + if (ret) + goto error; + + /* start reset mechanism */ + ret = af9013_write_reg(state, 0xaeff, 1); + if (ret) + goto error; + + /* reset is done when bit 1 is set */ + for (i = 0; i < 150; i++) { + ret = af9013_read_reg_bits(state, 0xd417, 1, 1, &tmp); + if (ret) + goto error; + if (tmp) + break; /* reset done */ + msleep(10); + } + if (!tmp) + return -ETIMEDOUT; + + /* don't clear reset when going to sleep */ + if (!sleep) { + /* clear OFDM reset */ + ret = af9013_write_reg_bits(state, 0xd417, 1, 1, 0); + if (ret) + goto error; + + /* disable OFDM reset */ + ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 0); + } +error: + return ret; +} + +static int af9013_power_ctrl(struct af9013_state *state, u8 onoff) +{ + int ret; + deb_info("%s: onoff:%d\n", __func__, onoff); + + if (onoff) { + /* power on */ + ret = af9013_write_reg_bits(state, 0xd73a, 3, 1, 0); + if (ret) + goto error; + ret = af9013_write_reg_bits(state, 0xd417, 1, 1, 0); + if (ret) + goto error; + ret = af9013_write_reg_bits(state, 0xd417, 4, 1, 0); + } else { + /* power off */ + ret = af9013_reset(state, 1); + if (ret) + goto error; + ret = af9013_write_reg_bits(state, 0xd73a, 3, 1, 1); + } +error: + return ret; +} + +static int af9013_lock_led(struct af9013_state *state, u8 onoff) +{ + deb_info("%s: onoff:%d\n", __func__, onoff); + + return af9013_write_reg_bits(state, 0xd730, 0, 1, onoff); +} + +static int af9013_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + u8 auto_mode; /* auto set TPS */ + + deb_info("%s: freq:%d bw:%d\n", __func__, params->frequency, + params->u.ofdm.bandwidth); + + state->frequency = params->frequency; + + /* program CFOE coefficients */ + ret = af9013_set_coeff(state, params->u.ofdm.bandwidth); + if (ret) + goto error; + + /* program frequency control */ + ret = af9013_set_freq_ctrl(state, params->u.ofdm.bandwidth); + if (ret) + goto error; + + /* clear TPS lock flag (inverted flag) */ + ret = af9013_write_reg_bits(state, 0xd330, 3, 1, 1); + if (ret) + goto error; + + /* clear MPEG2 lock flag */ + ret = af9013_write_reg_bits(state, 0xd507, 6, 1, 0); + if (ret) + goto error; + + /* empty channel function */ + ret = af9013_write_reg_bits(state, 0x9bfe, 0, 1, 0); + if (ret) + goto error; + + /* empty DVB-T channel function */ + ret = af9013_write_reg_bits(state, 0x9bc2, 0, 1, 0); + if (ret) + goto error; + + /* program tuner */ + if (fe->ops.tuner_ops.set_params) + fe->ops.tuner_ops.set_params(fe, params); + + /* program TPS and bandwidth, check if auto mode needed */ + ret = af9013_set_ofdm_params(state, ¶ms->u.ofdm, &auto_mode); + if (ret) + goto error; + + if (auto_mode) { + /* clear easy mode flag */ + ret = af9013_write_reg(state, 0xaefd, 0); + deb_info("%s: auto TPS\n", __func__); + } else { + /* set easy mode flag */ + ret = af9013_write_reg(state, 0xaefd, 1); + if (ret) + goto error; + ret = af9013_write_reg(state, 0xaefe, 0); + deb_info("%s: manual TPS\n", __func__); + } + if (ret) + goto error; + + /* everything is set, lets try to receive channel - OFSM GO! */ + ret = af9013_write_reg(state, 0xffff, 0); + if (ret) + goto error; + +error: + return ret; +} + +static int af9013_get_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *p) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + u8 i, buf[3]; + deb_info("%s\n", __func__); + + /* read TPS registers */ + for (i = 0; i < 3; i++) { + ret = af9013_read_reg(state, 0xd3c0 + i, &buf[i]); + if (ret) + goto error; + } + + switch ((buf[1] >> 6) & 3) { + case 0: + p->u.ofdm.constellation = QPSK; + break; + case 1: + p->u.ofdm.constellation = QAM_16; + break; + case 2: + p->u.ofdm.constellation = QAM_64; + break; + } + + switch ((buf[0] >> 0) & 3) { + case 0: + p->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; + break; + case 1: + p->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; + } + + switch ((buf[0] >> 2) & 3) { + case 0: + p->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; + break; + case 1: + p->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; + break; + case 2: + p->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; + break; + case 3: + p->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; + break; + } + + switch ((buf[0] >> 4) & 7) { + case 0: + p->u.ofdm.hierarchy_information = HIERARCHY_NONE; + break; + case 1: + p->u.ofdm.hierarchy_information = HIERARCHY_1; + break; + case 2: + p->u.ofdm.hierarchy_information = HIERARCHY_2; + break; + case 3: + p->u.ofdm.hierarchy_information = HIERARCHY_4; + break; + } + + switch ((buf[2] >> 0) & 7) { + case 0: + p->u.ofdm.code_rate_HP = FEC_1_2; + break; + case 1: + p->u.ofdm.code_rate_HP = FEC_2_3; + break; + case 2: + p->u.ofdm.code_rate_HP = FEC_3_4; + break; + case 3: + p->u.ofdm.code_rate_HP = FEC_5_6; + break; + case 4: + p->u.ofdm.code_rate_HP = FEC_7_8; + break; + } + + switch ((buf[2] >> 3) & 7) { + case 0: + p->u.ofdm.code_rate_LP = FEC_1_2; + break; + case 1: + p->u.ofdm.code_rate_LP = FEC_2_3; + break; + case 2: + p->u.ofdm.code_rate_LP = FEC_3_4; + break; + case 3: + p->u.ofdm.code_rate_LP = FEC_5_6; + break; + case 4: + p->u.ofdm.code_rate_LP = FEC_7_8; + break; + } + + switch ((buf[1] >> 2) & 3) { + case 0: + p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ; + break; + case 1: + p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ; + break; + case 2: + p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ; + break; + } + + p->inversion = INVERSION_AUTO; + p->frequency = state->frequency; + +error: + return ret; +} + +static int af9013_update_ber_unc(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + u8 buf[3], i; + u32 error_bit_count = 0; + u32 total_bit_count = 0; + u32 abort_packet_count = 0; + u64 numerator, denominator; + + state->ber = 0; + + /* check if error bit count is ready */ + ret = af9013_read_reg_bits(state, 0xd391, 4, 1, &buf[0]); + if (ret) + goto error; + if (!buf[0]) + goto exit; + + /* get RSD packet abort count */ + for (i = 0; i < 2; i++) { + ret = af9013_read_reg(state, 0xd38a + i, &buf[i]); + if (ret) + goto error; + } + abort_packet_count = (buf[1] << 8) + buf[0]; + + /* get error bit count */ + for (i = 0; i < 3; i++) { + ret = af9013_read_reg(state, 0xd387 + i, &buf[i]); + if (ret) + goto error; + } + error_bit_count = (buf[2] << 16) + (buf[1] << 8) + buf[0]; + error_bit_count = error_bit_count - abort_packet_count * 8 * 8; + + /* get used RSD counting period (10000 RSD packets used) */ + for (i = 0; i < 2; i++) { + ret = af9013_read_reg(state, 0xd385 + i, &buf[i]); + if (ret) + goto error; + } + total_bit_count = (buf[1] << 8) + buf[0]; + total_bit_count = total_bit_count - abort_packet_count; + total_bit_count = total_bit_count * 204 * 8; + + if (total_bit_count) { + numerator = error_bit_count * 1000000000; + denominator = total_bit_count; + state->ber = numerator / denominator; + } + + state->ucblocks += abort_packet_count; + + deb_info("%s: err bits:%d total bits:%d abort count:%d\n", __func__, + error_bit_count, total_bit_count, abort_packet_count); + + /* set BER counting range */ + ret = af9013_write_reg(state, 0xd385, 10000 & 0xff); + if (ret) + goto error; + ret = af9013_write_reg(state, 0xd386, 10000 >> 8); + if (ret) + goto error; + /* reset and start BER counter */ + ret = af9013_write_reg_bits(state, 0xd391, 4, 1, 1); + if (ret) + goto error; + +exit: +error: + return ret; +} + +static int af9013_update_snr(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + u8 buf[3], i, len; + u32 quant = 0; + struct snr_table *snr_table; + + /* check if quantizer ready (for snr) */ + ret = af9013_read_reg_bits(state, 0xd2e1, 3, 1, &buf[0]); + if (ret) + goto error; + if (buf[0]) { + /* quantizer ready - read it */ + for (i = 0; i < 3; i++) { + ret = af9013_read_reg(state, 0xd2e3 + i, &buf[i]); + if (ret) + goto error; + } + quant = (buf[2] << 16) + (buf[1] << 8) + buf[0]; + + /* read current constellation */ + ret = af9013_read_reg(state, 0xd3c1, &buf[0]); + if (ret) + goto error; + + switch ((buf[0] >> 6) & 3) { + case 0: + len = ARRAY_SIZE(qpsk_snr_table); + snr_table = qpsk_snr_table; + break; + case 1: + len = ARRAY_SIZE(qam16_snr_table); + snr_table = qam16_snr_table; + break; + case 2: + len = ARRAY_SIZE(qam64_snr_table); + snr_table = qam64_snr_table; + break; + default: + len = 0; + break; + } + + if (len) { + for (i = 0; i < len; i++) { + if (quant < snr_table[i].val) { + state->snr = snr_table[i].snr * 10; + break; + } + } + } + + /* set quantizer super frame count */ + ret = af9013_write_reg(state, 0xd2e2, 1); + if (ret) + goto error; + + /* check quantizer availability */ + for (i = 0; i < 10; i++) { + msleep(10); + ret = af9013_read_reg_bits(state, 0xd2e6, 0, 1, + &buf[0]); + if (ret) + goto error; + if (!buf[0]) + break; + } + + /* reset quantizer */ + ret = af9013_write_reg_bits(state, 0xd2e1, 3, 1, 1); + if (ret) + goto error; + } + +error: + return ret; +} + +static int af9013_update_signal_strength(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + u8 tmp0; + u8 rf_gain, rf_50, rf_80, if_gain, if_50, if_80; + int signal_strength; + + deb_info("%s\n", __func__); + + state->signal_strength = 0; + + ret = af9013_read_reg_bits(state, 0x9bee, 0, 1, &tmp0); + if (ret) + goto error; + if (tmp0) { + ret = af9013_read_reg(state, 0x9bbd, &rf_50); + if (ret) + goto error; + ret = af9013_read_reg(state, 0x9bd0, &rf_80); + if (ret) + goto error; + ret = af9013_read_reg(state, 0x9be2, &if_50); + if (ret) + goto error; + ret = af9013_read_reg(state, 0x9be4, &if_80); + if (ret) + goto error; + ret = af9013_read_reg(state, 0xd07c, &rf_gain); + if (ret) + goto error; + ret = af9013_read_reg(state, 0xd07d, &if_gain); + if (ret) + goto error; + signal_strength = (0xffff / (9 * (rf_50 + if_50) - \ + 11 * (rf_80 + if_80))) * (10 * (rf_gain + if_gain) - \ + 11 * (rf_80 + if_80)); + if (signal_strength < 0) + signal_strength = 0; + else if (signal_strength > 0xffff) + signal_strength = 0xffff; + + state->signal_strength = signal_strength; + } + +error: + return ret; +} + +static int af9013_update_statistics(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + + if (time_before(jiffies, state->next_statistics_check)) + return 0; + + /* set minimum statistic update interval */ + state->next_statistics_check = jiffies + msecs_to_jiffies(1200); + + ret = af9013_update_signal_strength(fe); + if (ret) + goto error; + ret = af9013_update_snr(fe); + if (ret) + goto error; + ret = af9013_update_ber_unc(fe); + if (ret) + goto error; + +error: + return ret; +} + +static int af9013_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *fesettings) +{ + fesettings->min_delay_ms = 800; + fesettings->step_size = 0; + fesettings->max_drift = 0; + + return 0; +} + +static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret = 0; + u8 tmp; + *status = 0; + + /* TPS lock */ + ret = af9013_read_reg_bits(state, 0xd330, 3, 1, &tmp); + if (ret) + goto error; + if (tmp) + *status |= FE_HAS_VITERBI | FE_HAS_CARRIER | FE_HAS_SIGNAL; + + /* MPEG2 lock */ + ret = af9013_read_reg_bits(state, 0xd507, 6, 1, &tmp); + if (ret) + goto error; + if (tmp) + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + + if (!*status & FE_HAS_SIGNAL) { + /* AGC lock */ + ret = af9013_read_reg_bits(state, 0xd1a0, 6, 1, &tmp); + if (ret) + goto error; + if (tmp) + *status |= FE_HAS_SIGNAL; + } + + if (!*status & FE_HAS_CARRIER) { + /* CFO lock */ + ret = af9013_read_reg_bits(state, 0xd333, 7, 1, &tmp); + if (ret) + goto error; + if (tmp) + *status |= FE_HAS_CARRIER; + } + + if (!*status & FE_HAS_CARRIER) { + /* SFOE lock */ + ret = af9013_read_reg_bits(state, 0xd334, 6, 1, &tmp); + if (ret) + goto error; + if (tmp) + *status |= FE_HAS_CARRIER; + } + + ret = af9013_update_statistics(fe); + +error: + return ret; +} + + +static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + ret = af9013_update_statistics(fe); + *ber = state->ber; + return ret; +} + +static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + ret = af9013_update_statistics(fe); + *strength = state->signal_strength; + return ret; +} + +static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + ret = af9013_update_statistics(fe); + *snr = state->snr; + return ret; +} + +static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + ret = af9013_update_statistics(fe); + *ucblocks = state->ucblocks; + return ret; +} + +static int af9013_sleep(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret; + deb_info("%s\n", __func__); + + ret = af9013_lock_led(state, 0); + if (ret) + goto error; + + ret = af9013_power_ctrl(state, 0); +error: + return ret; +} + +static int af9013_init(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + int ret, i, len; + u8 tmp0, tmp1; + struct regdesc *init; + deb_info("%s\n", __func__); + + /* reset OFDM */ + ret = af9013_reset(state, 0); + if (ret) + goto error; + + /* power on */ + ret = af9013_power_ctrl(state, 1); + if (ret) + goto error; + + /* enable ADC */ + ret = af9013_write_reg(state, 0xd73a, 0xa4); + if (ret) + goto error; + + /* write API version to firmware */ + for (i = 0; i < sizeof(state->config.api_version); i++) { + ret = af9013_write_reg(state, 0x9bf2 + i, + state->config.api_version[i]); + if (ret) + goto error; + } + + /* program ADC control */ + ret = af9013_set_adc_ctrl(state); + if (ret) + goto error; + + /* set I2C master clock */ + ret = af9013_write_reg(state, 0xd416, 0x14); + if (ret) + goto error; + + /* set 16 embx */ + ret = af9013_write_reg_bits(state, 0xd700, 1, 1, 1); + if (ret) + goto error; + + /* set no trigger */ + ret = af9013_write_reg_bits(state, 0xd700, 2, 1, 0); + if (ret) + goto error; + + /* set read-update bit for constellation */ + ret = af9013_write_reg_bits(state, 0xd371, 1, 1, 1); + if (ret) + goto error; + + /* enable FEC monitor */ + ret = af9013_write_reg_bits(state, 0xd392, 1, 1, 1); + if (ret) + goto error; + + /* load OFSM settings */ + deb_info("%s: load ofsm settings\n", __func__); + len = ARRAY_SIZE(ofsm_init); + init = ofsm_init; + for (i = 0; i < len; i++) { + ret = af9013_write_reg_bits(state, init[i].addr, init[i].pos, + init[i].len, init[i].val); + if (ret) + goto error; + } + + /* load tuner specific settings */ + deb_info("%s: load tuner specific settings\n", __func__); + switch (state->config.tuner) { + case AF9013_TUNER_MXL5003D: + len = ARRAY_SIZE(tuner_init_mxl5003d); + init = tuner_init_mxl5003d; + break; + case AF9013_TUNER_MXL5005D: + case AF9013_TUNER_MXL5005R: + len = ARRAY_SIZE(tuner_init_mxl5005); + init = tuner_init_mxl5005; + break; + case AF9013_TUNER_ENV77H11D5: + len = ARRAY_SIZE(tuner_init_env77h11d5); + init = tuner_init_env77h11d5; + break; + case AF9013_TUNER_MT2060: + len = ARRAY_SIZE(tuner_init_mt2060); + init = tuner_init_mt2060; + break; + case AF9013_TUNER_MC44S803: + len = ARRAY_SIZE(tuner_init_mc44s803); + init = tuner_init_mc44s803; + break; + case AF9013_TUNER_QT1010: + case AF9013_TUNER_QT1010A: + len = ARRAY_SIZE(tuner_init_qt1010); + init = tuner_init_qt1010; + break; + case AF9013_TUNER_MT2060_2: + len = ARRAY_SIZE(tuner_init_mt2060_2); + init = tuner_init_mt2060_2; + break; + case AF9013_TUNER_TDA18271: + len = ARRAY_SIZE(tuner_init_tda18271); + init = tuner_init_tda18271; + break; + case AF9013_TUNER_UNKNOWN: + default: + len = ARRAY_SIZE(tuner_init_unknown); + init = tuner_init_unknown; + break; + } + + for (i = 0; i < len; i++) { + ret = af9013_write_reg_bits(state, init[i].addr, init[i].pos, + init[i].len, init[i].val); + if (ret) + goto error; + } + + /* set TS mode */ + deb_info("%s: setting ts mode\n", __func__); + tmp0 = 0; /* parallel mode */ + tmp1 = 0; /* serial mode */ + switch (state->config.output_mode) { + case AF9013_OUTPUT_MODE_PARALLEL: + tmp0 = 1; + break; + case AF9013_OUTPUT_MODE_SERIAL: + tmp1 = 1; + break; + case AF9013_OUTPUT_MODE_USB: + /* usb mode for AF9015 */ + default: + break; + } + ret = af9013_write_reg_bits(state, 0xd500, 1, 1, tmp0); /* parallel */ + if (ret) + goto error; + ret = af9013_write_reg_bits(state, 0xd500, 2, 1, tmp1); /* serial */ + if (ret) + goto error; + + /* enable lock led */ + ret = af9013_lock_led(state, 1); + if (ret) + goto error; + +error: + return ret; +} + +static struct dvb_frontend_ops af9013_ops; + +static int af9013_download_firmware(struct af9013_state *state) +{ + int i, len, packets, remainder, ret; + const struct firmware *fw; + u16 addr = 0x5100; /* firmware start address */ + u16 checksum = 0; + u8 val; + u8 fw_params[4]; + u8 *data; + u8 *fw_file = AF9013_DEFAULT_FIRMWARE; + + msleep(100); + /* check whether firmware is already running */ + ret = af9013_read_reg(state, 0x98be, &val); + if (ret) + goto error; + else + deb_info("%s: firmware status:%02x\n", __func__, val); + + if (val == 0x0c) /* fw is running, no need for download */ + goto exit; + + info("found a '%s' in cold state, will try to load a firmware", + af9013_ops.info.name); + + /* request the firmware, this will block and timeout */ + ret = request_firmware(&fw, fw_file, &state->i2c->dev); + if (ret) { + err("did not find the firmware file. (%s) " + "Please see linux/Documentation/dvb/ for more details" \ + " on firmware-problems. (%d)", + fw_file, ret); + goto error; + } + + info("downloading firmware from file '%s'", fw_file); + + /* calc checksum */ + for (i = 0; i < fw->size; i++) + checksum += fw->data[i]; + + fw_params[0] = checksum >> 8; + fw_params[1] = checksum & 0xff; + fw_params[2] = fw->size >> 8; + fw_params[3] = fw->size & 0xff; + + /* write fw checksum & size */ + ret = af9013_write_ofsm_regs(state, 0x50fc, + fw_params, sizeof(fw_params)); + if (ret) + goto error_release; + + #define FW_PACKET_MAX_DATA 16 + + packets = fw->size / FW_PACKET_MAX_DATA; + remainder = fw->size % FW_PACKET_MAX_DATA; + len = FW_PACKET_MAX_DATA; + for (i = 0; i <= packets; i++) { + if (i == packets) /* set size of the last packet */ + len = remainder; + + data = (fw->data + i * FW_PACKET_MAX_DATA); + ret = af9013_write_ofsm_regs(state, addr, data, len); + addr += FW_PACKET_MAX_DATA; + + if (ret) { + err("firmware download failed at %d with %d", i, ret); + goto error_release; + } + } + + #undef FW_PACKET_MAX_DATA + + /* request boot firmware */ + ret = af9013_write_reg(state, 0xe205, 1); + if (ret) + goto error_release; + + for (i = 0; i < 15; i++) { + msleep(100); + + /* check firmware status */ + ret = af9013_read_reg(state, 0x98be, &val); + if (ret) + goto error_release; + + deb_info("%s: firmware status:%02x\n", __func__, val); + + if (val == 0x0c || val == 0x04) /* success or fail */ + break; + } + + if (val == 0x04) { + err("firmware did not run"); + ret = -1; + } else if (val != 0x0c) { + err("firmware boot timeout"); + ret = -1; + } + +error_release: + release_firmware(fw); +error: +exit: + if (!ret) + info("found a '%s' in warm state.", af9013_ops.info.name); + return ret; +} + +static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + int ret; + struct af9013_state *state = fe->demodulator_priv; + deb_info("%s: enable:%d\n", __func__, enable); + + if (state->config.output_mode == AF9013_OUTPUT_MODE_USB) + ret = af9013_write_reg_bits(state, 0xd417, 3, 1, enable); + else + ret = af9013_write_reg_bits(state, 0xd607, 2, 1, enable); + + return ret; +} + +static void af9013_release(struct dvb_frontend *fe) +{ + struct af9013_state *state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops af9013_ops; + +struct dvb_frontend *af9013_attach(const struct af9013_config *config, + struct i2c_adapter *i2c) +{ + int ret; + struct af9013_state *state = NULL; + u8 buf[3], i; + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->i2c = i2c; + memcpy(&state->config, config, sizeof(struct af9013_config)); + + /* chip version */ + ret = af9013_read_reg_bits(state, 0xd733, 4, 4, &buf[2]); + if (ret) + goto error; + + /* ROM version */ + for (i = 0; i < 2; i++) { + ret = af9013_read_reg(state, 0x116b + i, &buf[i]); + if (ret) + goto error; + } + deb_info("%s: chip version:%d ROM version:%d.%d\n", __func__, + buf[2], buf[0], buf[1]); + + /* download firmware */ + if (state->config.output_mode != AF9013_OUTPUT_MODE_USB) { + ret = af9013_download_firmware(state); + if (ret) + goto error; + } + + /* firmware version */ + for (i = 0; i < 3; i++) { + ret = af9013_read_reg(state, 0x5103 + i, &buf[i]); + if (ret) + goto error; + } + info("firmware version:%d.%d.%d", buf[0], buf[1], buf[2]); + + /* settings for mp2if */ + if (state->config.output_mode == AF9013_OUTPUT_MODE_USB) { + /* AF9015 split PSB to 1.5k + 0.5k */ + ret = af9013_write_reg_bits(state, 0xd50b, 2, 1, 1); + } else { + /* AF9013 change the output bit to data7 */ + ret = af9013_write_reg_bits(state, 0xd500, 3, 1, 1); + if (ret) + goto error; + /* AF9013 set mpeg to full speed */ + ret = af9013_write_reg_bits(state, 0xd502, 4, 1, 1); + } + if (ret) + goto error; + ret = af9013_write_reg_bits(state, 0xd520, 4, 1, 1); + if (ret) + goto error; + + /* set GPIOs */ + for (i = 0; i < sizeof(state->config.gpio); i++) { + ret = af9013_set_gpio(state, i, state->config.gpio[i]); + if (ret) + goto error; + } + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &af9013_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + + return &state->frontend; +error: + kfree(state); + return NULL; +} +EXPORT_SYMBOL(af9013_attach); + +static struct dvb_frontend_ops af9013_ops = { + .info = { + .name = "Afatech AF9013 DVB-T", + .type = FE_OFDM, + .frequency_min = 174000000, + .frequency_max = 862000000, + .frequency_stepsize = 250000, + .frequency_tolerance = 0, + .caps = + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | + FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | + FE_CAN_RECOVER | + FE_CAN_MUTE_TS + }, + + .release = af9013_release, + .init = af9013_init, + .sleep = af9013_sleep, + .i2c_gate_ctrl = af9013_i2c_gate_ctrl, + + .set_frontend = af9013_set_frontend, + .get_frontend = af9013_get_frontend, + + .get_tune_settings = af9013_get_tune_settings, + + .read_status = af9013_read_status, + .read_ber = af9013_read_ber, + .read_signal_strength = af9013_read_signal_strength, + .read_snr = af9013_read_snr, + .read_ucblocks = af9013_read_ucblocks, +}; + +module_param_named(debug, af9013_debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_AUTHOR("Antti Palosaari "); +MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/af9013.h b/drivers/media/dvb/frontends/af9013.h new file mode 100644 index 000000000000..28b90c91c766 --- /dev/null +++ b/drivers/media/dvb/frontends/af9013.h @@ -0,0 +1,107 @@ +/* + * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver + * + * Copyright (C) 2007 Antti Palosaari + * + * Thanks to Afatech who kindly provided information. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _AF9013_H_ +#define _AF9013_H_ + +#include + +enum af9013_ts_mode { + AF9013_OUTPUT_MODE_PARALLEL, + AF9013_OUTPUT_MODE_SERIAL, + AF9013_OUTPUT_MODE_USB, /* only for AF9015 */ +}; + +enum af9013_tuner { + AF9013_TUNER_MXL5003D = 3, /* MaxLinear */ + AF9013_TUNER_MXL5005D = 13, /* MaxLinear */ + AF9013_TUNER_MXL5005R = 30, /* MaxLinear */ + AF9013_TUNER_ENV77H11D5 = 129, /* Panasonic */ + AF9013_TUNER_MT2060 = 130, /* Microtune */ + AF9013_TUNER_MC44S803 = 133, /* Freescale */ + AF9013_TUNER_QT1010 = 134, /* Quantek */ + AF9013_TUNER_UNKNOWN = 140, /* for can tuners ? */ + AF9013_TUNER_MT2060_2 = 147, /* Microtune */ + AF9013_TUNER_TDA18271 = 156, /* NXP */ + AF9013_TUNER_QT1010A = 162, /* Quantek */ +}; + +/* AF9013/5 GPIOs (mostly guessed) + demod#1-gpio#0 - set demod#2 i2c-addr for dual devices + demod#1-gpio#1 - xtal setting (?) + demod#1-gpio#3 - tuner#1 + demod#2-gpio#0 - tuner#2 + demod#2-gpio#1 - xtal setting (?) +*/ +#define AF9013_GPIO_ON (1 << 0) +#define AF9013_GPIO_EN (1 << 1) +#define AF9013_GPIO_O (1 << 2) +#define AF9013_GPIO_I (1 << 3) + +#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN) +#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O) + +#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN) +#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O) + +struct af9013_config { + /* demodulator's I2C address */ + u8 demod_address; + + /* frequencies in kHz */ + u32 adc_clock; + + /* tuner ID */ + u8 tuner; + + /* tuner IF */ + u16 tuner_if; + + /* TS data output mode */ + u8 output_mode:2; + + /* RF spectrum inversion */ + u8 rf_spec_inv:1; + + /* API version */ + u8 api_version[4]; + + /* GPIOs */ + u8 gpio[4]; +}; + + +#if defined(CONFIG_DVB_AF9013) || \ + (defined(CONFIG_DVB_AF9013_MODULE) && defined(MODULE)) +extern struct dvb_frontend *af9013_attach(const struct af9013_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *af9013_attach( +const struct af9013_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_AF9013 */ + +#endif /* _AF9013_H_ */ diff --git a/drivers/media/dvb/frontends/af9013_priv.h b/drivers/media/dvb/frontends/af9013_priv.h new file mode 100644 index 000000000000..163e251d0b73 --- /dev/null +++ b/drivers/media/dvb/frontends/af9013_priv.h @@ -0,0 +1,869 @@ +/* + * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver + * + * Copyright (C) 2007 Antti Palosaari + * + * Thanks to Afatech who kindly provided information. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _AF9013_PRIV_ +#define _AF9013_PRIV_ + +#define LOG_PREFIX "af9013" +extern int af9013_debug; + +#define dprintk(var, level, args...) \ + do { if ((var & level)) printk(args); } while (0) + +#define debug_dump(b, l, func) {\ + int loop_; \ + for (loop_ = 0; loop_ < l; loop_++) \ + func("%02x ", b[loop_]); \ + func("\n");\ +} + +#define deb_info(args...) dprintk(af9013_debug, 0x01, args) + +#undef err +#define err(f, arg...) printk(KERN_ERR LOG_PREFIX": " f "\n" , ## arg) +#undef info +#define info(f, arg...) printk(KERN_INFO LOG_PREFIX": " f "\n" , ## arg) +#undef warn +#define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg) + +#define AF9013_DEFAULT_FIRMWARE "dvb-fe-af9013.fw" + +struct regdesc { + u16 addr; + u8 pos:4; + u8 len:4; + u8 val; +}; + +struct snr_table { + u32 val; + u8 snr; +}; + +/* QPSK SNR lookup table */ +static struct snr_table qpsk_snr_table[] = { + { 0x0b4771, 0 }, + { 0x0c1aed, 1 }, + { 0x0d0d27, 2 }, + { 0x0e4d19, 3 }, + { 0x0e5da8, 4 }, + { 0x107097, 5 }, + { 0x116975, 6 }, + { 0x1252d9, 7 }, + { 0x131fa4, 8 }, + { 0x13d5e1, 9 }, + { 0x148e53, 10 }, + { 0x15358b, 11 }, + { 0x15dd29, 12 }, + { 0x168112, 13 }, + { 0x170b61, 14 }, + { 0xffffff, 15 }, +}; + +/* QAM16 SNR lookup table */ +static struct snr_table qam16_snr_table[] = { + { 0x05eb62, 5 }, + { 0x05fecf, 6 }, + { 0x060b80, 7 }, + { 0x062501, 8 }, + { 0x064865, 9 }, + { 0x069604, 10 }, + { 0x06f356, 11 }, + { 0x07706a, 12 }, + { 0x0804d3, 13 }, + { 0x089d1a, 14 }, + { 0x093e3d, 15 }, + { 0x09e35d, 16 }, + { 0x0a7c3c, 17 }, + { 0x0afaf8, 18 }, + { 0x0b719d, 19 }, + { 0xffffff, 20 }, +}; + +/* QAM64 SNR lookup table */ +static struct snr_table qam64_snr_table[] = { + { 0x03109b, 12 }, + { 0x0310d4, 13 }, + { 0x031920, 14 }, + { 0x0322d0, 15 }, + { 0x0339fc, 16 }, + { 0x0364a1, 17 }, + { 0x038bcc, 18 }, + { 0x03c7d3, 19 }, + { 0x0408cc, 20 }, + { 0x043bed, 21 }, + { 0x048061, 22 }, + { 0x04be95, 23 }, + { 0x04fa7d, 24 }, + { 0x052405, 25 }, + { 0x05570d, 26 }, + { 0xffffff, 27 }, +}; + +static struct regdesc ofsm_init[] = { + { 0xd73a, 0, 8, 0xa1 }, + { 0xd73b, 0, 8, 0x1f }, + { 0xd73c, 4, 4, 0x0a }, + { 0xd732, 3, 1, 0x00 }, + { 0xd731, 4, 2, 0x03 }, + { 0xd73d, 7, 1, 0x01 }, + { 0xd740, 0, 1, 0x00 }, + { 0xd740, 1, 1, 0x00 }, + { 0xd740, 2, 1, 0x00 }, + { 0xd740, 3, 1, 0x01 }, + { 0xd3c1, 4, 1, 0x01 }, + { 0xd3a2, 0, 8, 0x00 }, + { 0xd3a3, 0, 8, 0x04 }, + { 0xd305, 0, 8, 0x32 }, + { 0xd306, 0, 8, 0x10 }, + { 0xd304, 0, 8, 0x04 }, + { 0x9112, 0, 1, 0x01 }, + { 0x911d, 0, 1, 0x01 }, + { 0x911a, 0, 1, 0x01 }, + { 0x911b, 0, 1, 0x01 }, + { 0x9bce, 0, 4, 0x02 }, + { 0x9116, 0, 1, 0x01 }, + { 0x9bd1, 0, 1, 0x01 }, + { 0xd2e0, 0, 8, 0xd0 }, + { 0xd2e9, 0, 4, 0x0d }, + { 0xd38c, 0, 8, 0xfc }, + { 0xd38d, 0, 8, 0x00 }, + { 0xd38e, 0, 8, 0x7e }, + { 0xd38f, 0, 8, 0x00 }, + { 0xd390, 0, 8, 0x2f }, + { 0xd145, 4, 1, 0x01 }, + { 0xd1a9, 4, 1, 0x01 }, + { 0xd158, 5, 3, 0x01 }, + { 0xd159, 0, 6, 0x06 }, + { 0xd167, 0, 8, 0x00 }, + { 0xd168, 0, 4, 0x07 }, + { 0xd1c3, 5, 3, 0x00 }, + { 0xd1c4, 0, 6, 0x00 }, + { 0xd1c5, 0, 7, 0x10 }, + { 0xd1c6, 0, 3, 0x02 }, + { 0xd080, 2, 5, 0x03 }, + { 0xd081, 4, 4, 0x09 }, + { 0xd098, 4, 4, 0x0f }, + { 0xd098, 0, 4, 0x03 }, + { 0xdbc0, 3, 1, 0x01 }, + { 0xdbc0, 4, 1, 0x01 }, + { 0xdbc7, 0, 8, 0x08 }, + { 0xdbc8, 4, 4, 0x00 }, + { 0xdbc9, 0, 5, 0x01 }, + { 0xd280, 0, 8, 0xe0 }, + { 0xd281, 0, 8, 0xff }, + { 0xd282, 0, 8, 0xff }, + { 0xd283, 0, 8, 0xc3 }, + { 0xd284, 0, 8, 0xff }, + { 0xd285, 0, 4, 0x01 }, + { 0xd0f0, 0, 7, 0x1a }, + { 0xd0f1, 4, 1, 0x01 }, + { 0xd0f2, 0, 8, 0x0c }, + { 0xd103, 0, 4, 0x08 }, + { 0xd0f8, 0, 7, 0x20 }, + { 0xd111, 5, 1, 0x00 }, + { 0xd111, 6, 1, 0x00 }, + { 0x910b, 0, 8, 0x0a }, + { 0x9115, 0, 8, 0x02 }, + { 0x910c, 0, 8, 0x02 }, + { 0x910d, 0, 8, 0x08 }, + { 0x910e, 0, 8, 0x0a }, + { 0x9bf6, 0, 8, 0x06 }, + { 0x9bf8, 0, 8, 0x02 }, + { 0x9bf7, 0, 8, 0x05 }, + { 0x9bf9, 0, 8, 0x0f }, + { 0x9bfc, 0, 8, 0x13 }, + { 0x9bd3, 0, 8, 0xff }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, +}; + +/* Panasonic ENV77H11D5 tuner init + AF9013_TUNER_ENV77H11D5 = 129 */ +static struct regdesc tuner_init_env77h11d5[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x03 }, + { 0x9bbe, 0, 8, 0x01 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x00 }, + { 0x9be3, 0, 8, 0x00 }, + { 0xd015, 0, 8, 0x50 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0xdf }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x44 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0xeb }, + { 0xd00d, 0, 2, 0x02 }, + { 0xd00a, 0, 8, 0xf4 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bba, 0, 8, 0xf9 }, + { 0x9bc3, 0, 8, 0xdf }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0xeb }, + { 0x9bc6, 0, 8, 0x02 }, + { 0x9bc9, 0, 8, 0x52 }, + { 0xd011, 0, 8, 0x3c }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0xf7 }, + { 0xd014, 0, 2, 0x02 }, + { 0xd040, 0, 8, 0x0b }, + { 0xd041, 0, 2, 0x02 }, + { 0xd042, 0, 8, 0x4d }, + { 0xd043, 0, 2, 0x00 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, +}; + +/* Microtune MT2060 tuner init + AF9013_TUNER_MT2060 = 130 */ +static struct regdesc tuner_init_mt2060[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x07 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x00 }, + { 0x9be3, 0, 8, 0x00 }, + { 0x9bbe, 0, 1, 0x00 }, + { 0x9bcc, 0, 1, 0x00 }, + { 0x9bb9, 0, 8, 0x75 }, + { 0x9bcd, 0, 8, 0x24 }, + { 0x9bff, 0, 8, 0x30 }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0x0f }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x32 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0x36 }, + { 0xd00d, 0, 2, 0x03 }, + { 0xd00a, 0, 8, 0x35 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x07 }, + { 0x9bc8, 0, 8, 0x90 }, + { 0x9bc3, 0, 8, 0x0f }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x36 }, + { 0x9bc6, 0, 8, 0x03 }, + { 0x9bba, 0, 8, 0xc9 }, + { 0x9bc9, 0, 8, 0x79 }, + { 0xd011, 0, 8, 0x10 }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0x45 }, + { 0xd014, 0, 2, 0x03 }, + { 0xd040, 0, 8, 0x98 }, + { 0xd041, 0, 2, 0x00 }, + { 0xd042, 0, 8, 0xcf }, + { 0xd043, 0, 2, 0x03 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, + { 0x9bd0, 0, 8, 0xcc }, + { 0x9be4, 0, 8, 0xa0 }, + { 0x9bbd, 0, 8, 0x8e }, + { 0x9be2, 0, 8, 0x4d }, + { 0x9bee, 0, 1, 0x01 }, +}; + +/* Microtune MT2060 tuner init + AF9013_TUNER_MT2060_2 = 147 */ +static struct regdesc tuner_init_mt2060_2[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x06 }, + { 0x9bbe, 0, 8, 0x01 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0x0f }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x32 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0x36 }, + { 0xd00d, 0, 2, 0x03 }, + { 0xd00a, 0, 8, 0x35 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x07 }, + { 0x9bc8, 0, 8, 0x90 }, + { 0x9bc3, 0, 8, 0x0f }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x36 }, + { 0x9bc6, 0, 8, 0x03 }, + { 0x9bba, 0, 8, 0xc9 }, + { 0x9bc9, 0, 8, 0x79 }, + { 0xd011, 0, 8, 0x10 }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0x45 }, + { 0xd014, 0, 2, 0x03 }, + { 0xd040, 0, 8, 0x98 }, + { 0xd041, 0, 2, 0x00 }, + { 0xd042, 0, 8, 0xcf }, + { 0xd043, 0, 2, 0x03 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 8, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x96 }, + { 0xd054, 0, 8, 0x46 }, + { 0xd045, 7, 1, 0x00 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, +}; + +/* MaxLinear MXL5003 tuner init + AF9013_TUNER_MXL5003D = 3 */ +static struct regdesc tuner_init_mxl5003d[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x09 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x00 }, + { 0x9be3, 0, 8, 0x00 }, + { 0x9bfc, 0, 8, 0x0f }, + { 0x9bf6, 0, 8, 0x01 }, + { 0x9bbe, 0, 1, 0x01 }, + { 0xd015, 0, 8, 0x33 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x40 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0x0f }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x6c }, + { 0xd007, 0, 2, 0x00 }, + { 0xd00c, 0, 8, 0x3d }, + { 0xd00d, 0, 2, 0x00 }, + { 0xd00a, 0, 8, 0x45 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x07 }, + { 0x9bc8, 0, 8, 0x52 }, + { 0x9bc3, 0, 8, 0x0f }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x3d }, + { 0x9bc6, 0, 8, 0x00 }, + { 0x9bba, 0, 8, 0xa2 }, + { 0x9bc9, 0, 8, 0xa0 }, + { 0xd011, 0, 8, 0x56 }, + { 0xd012, 0, 2, 0x00 }, + { 0xd013, 0, 8, 0x50 }, + { 0xd014, 0, 2, 0x00 }, + { 0xd040, 0, 8, 0x56 }, + { 0xd041, 0, 2, 0x00 }, + { 0xd042, 0, 8, 0x50 }, + { 0xd043, 0, 2, 0x00 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 8, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, +}; + +/* MaxLinear MXL5005 tuner init + AF9013_TUNER_MXL5005D = 13 + AF9013_TUNER_MXL5005R = 30 */ +static struct regdesc tuner_init_mxl5005[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x07 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x01 }, + { 0x9be3, 0, 8, 0x01 }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, + { 0x9bb9, 0, 8, 0x00 }, + { 0x9bcd, 0, 8, 0x28 }, + { 0x9bff, 0, 8, 0x24 }, + { 0xd015, 0, 8, 0x40 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x40 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0x0f }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x73 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0xfa }, + { 0xd00d, 0, 2, 0x01 }, + { 0xd00a, 0, 8, 0xff }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x23 }, + { 0x9bc8, 0, 8, 0x55 }, + { 0x9bc3, 0, 8, 0x01 }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0xfa }, + { 0x9bc6, 0, 8, 0x01 }, + { 0x9bba, 0, 8, 0xff }, + { 0x9bc9, 0, 8, 0xff }, + { 0x9bd3, 0, 8, 0x95 }, + { 0xd011, 0, 8, 0x70 }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0xfb }, + { 0xd014, 0, 2, 0x01 }, + { 0xd040, 0, 8, 0x70 }, + { 0xd041, 0, 2, 0x01 }, + { 0xd042, 0, 8, 0xfb }, + { 0xd043, 0, 2, 0x01 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, + { 0x9bd0, 0, 8, 0x93 }, + { 0x9be4, 0, 8, 0xfe }, + { 0x9bbd, 0, 8, 0x63 }, + { 0x9be2, 0, 8, 0xfe }, + { 0x9bee, 0, 1, 0x01 }, +}; + +/* Quantek QT1010 tuner init + AF9013_TUNER_QT1010 = 134 + AF9013_TUNER_QT1010A = 162 */ +static struct regdesc tuner_init_qt1010[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x09 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x01 }, + { 0x9be3, 0, 8, 0x01 }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, + { 0x9bb9, 0, 8, 0x00 }, + { 0x9bcd, 0, 8, 0x28 }, + { 0x9bff, 0, 8, 0x20 }, + { 0xd008, 0, 8, 0x0f }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x99 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0x0f }, + { 0xd00d, 0, 2, 0x02 }, + { 0xd00a, 0, 8, 0x50 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x00 }, + { 0x9bc8, 0, 8, 0x00 }, + { 0x9bc3, 0, 8, 0x0f }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x0f }, + { 0x9bc6, 0, 8, 0x02 }, + { 0x9bba, 0, 8, 0xc5 }, + { 0x9bc9, 0, 8, 0xff }, + { 0xd011, 0, 8, 0x58 }, + { 0xd012, 0, 2, 0x02 }, + { 0xd013, 0, 8, 0x89 }, + { 0xd014, 0, 2, 0x01 }, + { 0xd040, 0, 8, 0x58 }, + { 0xd041, 0, 2, 0x02 }, + { 0xd042, 0, 8, 0x89 }, + { 0xd043, 0, 2, 0x01 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, + { 0x9bd0, 0, 8, 0xcd }, + { 0x9be4, 0, 8, 0xbb }, + { 0x9bbd, 0, 8, 0x93 }, + { 0x9be2, 0, 8, 0x80 }, + { 0x9bee, 0, 1, 0x01 }, +}; + +/* Freescale MC44S803 tuner init + AF9013_TUNER_MC44S803 = 133 */ +static struct regdesc tuner_init_mc44s803[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x06 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x00 }, + { 0x9be3, 0, 8, 0x00 }, + { 0x9bf6, 0, 8, 0x01 }, + { 0x9bf8, 0, 8, 0x02 }, + { 0x9bf9, 0, 8, 0x02 }, + { 0x9bfc, 0, 8, 0x1f }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, + { 0x9bb9, 0, 8, 0x00 }, + { 0x9bcd, 0, 8, 0x24 }, + { 0x9bff, 0, 8, 0x24 }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0x01 }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x7b }, + { 0xd007, 0, 2, 0x00 }, + { 0xd00c, 0, 8, 0x7c }, + { 0xd00d, 0, 2, 0x02 }, + { 0xd00a, 0, 8, 0xfe }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bc7, 0, 8, 0x08 }, + { 0x9bc8, 0, 8, 0x9a }, + { 0x9bc3, 0, 8, 0x01 }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x7c }, + { 0x9bc6, 0, 8, 0x02 }, + { 0x9bba, 0, 8, 0xfc }, + { 0x9bc9, 0, 8, 0xaa }, + { 0xd011, 0, 8, 0x6b }, + { 0xd012, 0, 2, 0x00 }, + { 0xd013, 0, 8, 0x88 }, + { 0xd014, 0, 2, 0x02 }, + { 0xd040, 0, 8, 0x6b }, + { 0xd041, 0, 2, 0x00 }, + { 0xd042, 0, 8, 0x7c }, + { 0xd043, 0, 2, 0x02 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, + { 0x9bd0, 0, 8, 0x9e }, + { 0x9be4, 0, 8, 0xff }, + { 0x9bbd, 0, 8, 0x9e }, + { 0x9be2, 0, 8, 0x25 }, + { 0x9bee, 0, 1, 0x01 }, + { 0xd73b, 3, 1, 0x00 }, +}; + +/* unknown, probably for tin can tuner, tuner init + AF9013_TUNER_UNKNOWN = 140 */ +static struct regdesc tuner_init_unknown[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x02 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x01 }, + { 0x9be3, 0, 8, 0x01 }, + { 0xd1a0, 1, 1, 0x00 }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, + { 0x9bb9, 0, 8, 0x00 }, + { 0x9bcd, 0, 8, 0x18 }, + { 0x9bff, 0, 8, 0x2c }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0xdf }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x44 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0x00 }, + { 0xd00d, 0, 2, 0x02 }, + { 0xd00a, 0, 8, 0xf6 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bba, 0, 8, 0xf9 }, + { 0x9bc8, 0, 8, 0xaa }, + { 0x9bc3, 0, 8, 0xdf }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x00 }, + { 0x9bc6, 0, 8, 0x02 }, + { 0x9bc9, 0, 8, 0xf0 }, + { 0xd011, 0, 8, 0x3c }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0xf7 }, + { 0xd014, 0, 2, 0x02 }, + { 0xd040, 0, 8, 0x0b }, + { 0xd041, 0, 2, 0x02 }, + { 0xd042, 0, 8, 0x4d }, + { 0xd043, 0, 2, 0x00 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, +}; + +/* NXP TDA18271 tuner init + AF9013_TUNER_TDA18271 = 156 */ +static struct regdesc tuner_init_tda18271[] = { + { 0x9bd5, 0, 8, 0x01 }, + { 0x9bd6, 0, 8, 0x04 }, + { 0xd1a0, 1, 1, 0x01 }, + { 0xd000, 0, 1, 0x01 }, + { 0xd000, 1, 1, 0x00 }, + { 0xd001, 1, 1, 0x01 }, + { 0xd001, 0, 1, 0x00 }, + { 0xd001, 5, 1, 0x00 }, + { 0xd002, 0, 5, 0x19 }, + { 0xd003, 0, 5, 0x1a }, + { 0xd004, 0, 5, 0x19 }, + { 0xd005, 0, 5, 0x1a }, + { 0xd00e, 0, 5, 0x10 }, + { 0xd00f, 0, 3, 0x04 }, + { 0xd00f, 3, 3, 0x05 }, + { 0xd010, 0, 3, 0x04 }, + { 0xd010, 3, 3, 0x05 }, + { 0xd016, 4, 4, 0x03 }, + { 0xd01f, 0, 6, 0x0a }, + { 0xd020, 0, 6, 0x0a }, + { 0x9bda, 0, 8, 0x01 }, + { 0x9be3, 0, 8, 0x01 }, + { 0xd1a0, 1, 1, 0x00 }, + { 0x9bbe, 0, 1, 0x01 }, + { 0x9bcc, 0, 1, 0x01 }, + { 0x9bb9, 0, 8, 0x00 }, + { 0x9bcd, 0, 8, 0x18 }, + { 0x9bff, 0, 8, 0x2c }, + { 0xd015, 0, 8, 0x46 }, + { 0xd016, 0, 1, 0x00 }, + { 0xd044, 0, 8, 0x46 }, + { 0xd045, 0, 1, 0x00 }, + { 0xd008, 0, 8, 0xdf }, + { 0xd009, 0, 2, 0x02 }, + { 0xd006, 0, 8, 0x44 }, + { 0xd007, 0, 2, 0x01 }, + { 0xd00c, 0, 8, 0x00 }, + { 0xd00d, 0, 2, 0x02 }, + { 0xd00a, 0, 8, 0xf6 }, + { 0xd00b, 0, 2, 0x01 }, + { 0x9bba, 0, 8, 0xf9 }, + { 0x9bc8, 0, 8, 0xaa }, + { 0x9bc3, 0, 8, 0xdf }, + { 0x9bc4, 0, 8, 0x02 }, + { 0x9bc5, 0, 8, 0x00 }, + { 0x9bc6, 0, 8, 0x02 }, + { 0x9bc9, 0, 8, 0xf0 }, + { 0xd011, 0, 8, 0x3c }, + { 0xd012, 0, 2, 0x01 }, + { 0xd013, 0, 8, 0xf7 }, + { 0xd014, 0, 2, 0x02 }, + { 0xd040, 0, 8, 0x0b }, + { 0xd041, 0, 2, 0x02 }, + { 0xd042, 0, 8, 0x4d }, + { 0xd043, 0, 2, 0x00 }, + { 0xd045, 1, 1, 0x00 }, + { 0x9bcf, 0, 1, 0x01 }, + { 0xd045, 2, 1, 0x01 }, + { 0xd04f, 0, 8, 0x9a }, + { 0xd050, 0, 1, 0x01 }, + { 0xd051, 0, 8, 0x5a }, + { 0xd052, 0, 1, 0x01 }, + { 0xd053, 0, 8, 0x50 }, + { 0xd054, 0, 8, 0x46 }, + { 0x9bd7, 0, 8, 0x0a }, + { 0x9bd8, 0, 8, 0x14 }, + { 0x9bd9, 0, 8, 0x08 }, + { 0x9bd0, 0, 8, 0xa8 }, + { 0x9be4, 0, 8, 0x7f }, + { 0x9bbd, 0, 8, 0xa8 }, + { 0x9be2, 0, 8, 0x20 }, + { 0x9bee, 0, 1, 0x01 }, +}; + +#endif /* _AF9013_PRIV_ */ -- GitLab From 80619de8117701cad1fb5526be6fcfe6fc2a6cc2 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 15 Sep 2008 17:18:09 -0300 Subject: [PATCH 3883/6244] V4L/DVB (8972): initial driver for af9015 chipset - initial driver for the Afatech AF9015 chipset Thanks-to: Mark Spieth Thanks-to: Lee Essen Thanks-to: Luca Olivetti Thanks-to: Andrew Leech Thanks-to: Nick Andrew Thanks-to: Rafael Antoniello Thanks-to: Jarryd Beck Thanks-to: Jose Alberto Reguero Thanks-to: Benjamin Larsson Thanks-to: Wolfgang Breyha Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 12 + drivers/media/dvb/dvb-usb/Makefile | 3 + drivers/media/dvb/dvb-usb/af9015.c | 1459 +++++++++++++++++++++++ drivers/media/dvb/dvb-usb/af9015.h | 524 ++++++++ drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 17 +- 5 files changed, 2014 insertions(+), 1 deletion(-) create mode 100644 drivers/media/dvb/dvb-usb/af9015.c create mode 100644 drivers/media/dvb/dvb-usb/af9015.h diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 1d9e98cee9e7..b35d7f0db9aa 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -271,3 +271,15 @@ config DVB_USB_DTV5100 select MEDIA_TUNER_QT1010 if !DVB_FE_CUSTOMISE help Say Y here to support the AME DTV-5100 USB2.0 DVB-T receiver. + +config DVB_USB_AF9015 + tristate "Afatech AF9015 DVB-T USB2.0 support" + depends on DVB_USB && EXPERIMENTAL + select DVB_AF9013 + select DVB_PLL if !DVB_FE_CUSTOMISE + select MEDIA_TUNER_MT2060 if !DVB_FE_CUSTOMISE + select MEDIA_TUNER_QT1010 if !DVB_FE_CUSTOMISE + select MEDIA_TUNER_TDA18271 if !DVB_FE_CUSTOMISE + select MEDIA_TUNER_MXL5005S if !DVB_FE_CUSTOMISE + help + Say Y here to support the Afatech AF9015 based DVB-T USB2.0 receiver diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index 116544f4272d..ece8c9dfed18 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -70,6 +70,9 @@ obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.o dvb-usb-dtv5100-objs = dtv5100.o obj-$(CONFIG_DVB_USB_DTV5100) += dvb-usb-dtv5100.o +dvb-usb-af9015-objs = af9015.o +obj-$(CONFIG_DVB_USB_AF9015) += dvb-usb-af9015.o + EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/ # due to tuner-xc3028 EXTRA_CFLAGS += -Idrivers/media/common/tuners diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c new file mode 100644 index 000000000000..a284648094c2 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -0,0 +1,1459 @@ +/* + * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver + * + * Copyright (C) 2007 Antti Palosaari + * + * Thanks to Afatech who kindly provided information. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include "af9015.h" +#include "af9013.h" +#include "mt2060.h" +#include "qt1010.h" +#include "tda18271.h" +#include "mxl5005s.h" +#if 0 +#include "mc44s80x.h" +#endif + +int dvb_usb_af9015_debug; +module_param_named(debug, dvb_usb_af9015_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); +int dvb_usb_af9015_remote; +module_param_named(remote, dvb_usb_af9015_remote, int, 0644); +MODULE_PARM_DESC(remote, "select remote"); +int dvb_usb_af9015_dual_mode; +module_param_named(dual_mode, dvb_usb_af9015_dual_mode, int, 0644); +MODULE_PARM_DESC(dual_mode, "enable dual mode"); +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static DEFINE_MUTEX(af9015_usb_mutex); + +static struct af9015_config af9015_config; +static struct dvb_usb_device_properties af9015_properties[2]; +int af9015_properties_count = ARRAY_SIZE(af9015_properties); + +static struct af9013_config af9015_af9013_config[] = { + { + .demod_address = AF9015_I2C_DEMOD, + .output_mode = AF9013_OUTPUT_MODE_USB, + .api_version = { 0, 1, 9, 0 }, + .gpio[0] = AF9013_GPIO_HI, + .gpio[1] = AF9013_GPIO_LO, + .gpio[3] = AF9013_GPIO_TUNER_ON, + + }, { + .output_mode = AF9013_OUTPUT_MODE_SERIAL, + .api_version = { 0, 1, 9, 0 }, + .gpio[0] = AF9013_GPIO_TUNER_ON, + .gpio[1] = AF9013_GPIO_LO, + } +}; + +static int af9015_rw_udev(struct usb_device *udev, struct req_t *req) +{ + int act_len, ret; + u8 buf[64]; + u8 write = 1; + u8 msg_len = 8; + static u8 seq; /* packet sequence number */ + + if (mutex_lock_interruptible(&af9015_usb_mutex) < 0) + return -EAGAIN; + + buf[0] = req->cmd; + buf[1] = seq++; + buf[2] = req->i2c_addr; + buf[3] = req->addr >> 8; + buf[4] = req->addr & 0xff; + buf[5] = req->mbox; + buf[6] = req->addr_len; + buf[7] = req->data_len; + + switch (req->cmd) { + case GET_CONFIG: + case BOOT: + case READ_MEMORY: + case RECONNECT_USB: + case GET_IR_CODE: + write = 0; + break; + case READ_I2C: + write = 0; + buf[2] |= 0x01; /* set I2C direction */ + case WRITE_I2C: + buf[0] = READ_WRITE_I2C; + break; + case WRITE_MEMORY: + if (((req->addr & 0xff00) == 0xff00) || + ((req->addr & 0xae00) == 0xae00)) + buf[0] = WRITE_VIRTUAL_MEMORY; + case WRITE_VIRTUAL_MEMORY: + case COPY_FIRMWARE: + case DOWNLOAD_FIRMWARE: + break; + default: + err("unknown command:%d", req->cmd); + ret = -1; + goto error_unlock; + } + + /* write requested */ + if (write) { + memcpy(&buf[8], req->data, req->data_len); + msg_len += req->data_len; + } + deb_xfer(">>> "); + debug_dump(buf, msg_len, deb_xfer); + + /* send req */ + ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x02), buf, msg_len, + &act_len, AF9015_USB_TIMEOUT); + if (ret) + err("bulk message failed:%d (%d/%d)", ret, msg_len, act_len); + else + if (act_len != msg_len) + ret = -1; /* all data is not send */ + if (ret) + goto error_unlock; + + /* no ack for those packets */ + if (req->cmd == DOWNLOAD_FIRMWARE || req->cmd == RECONNECT_USB) + goto exit_unlock; + + /* receive ack and data if read req */ + msg_len = 1 + 1 + req->data_len; /* seq + status + data len */ + ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, 0x81), buf, msg_len, + &act_len, AF9015_USB_TIMEOUT); + if (ret) { + err("recv bulk message failed:%d", ret); + ret = -1; + goto error_unlock; + } + + deb_xfer("<<< "); + debug_dump(buf, act_len, deb_xfer); + + /* remote controller query status is 1 if remote code is not received */ + if (req->cmd == GET_IR_CODE && buf[1] == 1) { + buf[1] = 0; /* clear command "error" status */ + memset(&buf[2], 0, req->data_len); + buf[3] = 1; /* no remote code received mark */ + } + + /* check status */ + if (buf[1]) { + err("command failed:%d", buf[1]); + ret = -1; + goto error_unlock; + } + + /* read request, copy returned data to return buf */ + if (!write) + memcpy(req->data, &buf[2], req->data_len); + +error_unlock: +exit_unlock: + mutex_unlock(&af9015_usb_mutex); + + return ret; +} + +static int af9015_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) +{ + return af9015_rw_udev(d->udev, req); +} + +static int af9015_write_regs(struct dvb_usb_device *d, u16 addr, u8 *val, + u8 len) +{ + struct req_t req = {WRITE_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, len, + val}; + return af9015_ctrl_msg(d, &req); +} + +static int af9015_write_reg(struct dvb_usb_device *d, u16 addr, u8 val) +{ + return af9015_write_regs(d, addr, &val, 1); +} + +static int af9015_read_reg(struct dvb_usb_device *d, u16 addr, u8 *val) +{ + struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, 1, val}; + return af9015_ctrl_msg(d, &req); +} + +static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, + u8 val) +{ + struct req_t req = {WRITE_I2C, addr, reg, 1, 1, 1, &val}; + + if (addr == af9015_af9013_config[0].demod_address || + addr == af9015_af9013_config[1].demod_address) + req.addr_len = 3; + + return af9015_ctrl_msg(d, &req); +} + +static int af9015_read_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg, + u8 *val) +{ + struct req_t req = {READ_I2C, addr, reg, 0, 1, 1, val}; + + if (addr == af9015_af9013_config[0].demod_address || + addr == af9015_af9013_config[1].demod_address) + req.addr_len = 3; + + return af9015_ctrl_msg(d, &req); +} + +static int af9015_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret = 0, i = 0; + u16 addr; + u8 mbox, addr_len; + struct req_t req; + +/* TODO: implement bus lock + +The bus lock is needed because there is two tuners both using same I2C-address. +Due to that the only way to select correct tuner is use demodulator I2C-gate. + +................................................ +. AF9015 includes integrated AF9013 demodulator. +. ____________ ____________ . ____________ +.| uC | | demod | . | tuner | +.|------------| |------------| . |------------| +.| AF9015 | | AF9013/5 | . | MXL5003 | +.| |--+----I2C-------|-----/ -----|-.-----I2C-------| | +.| | | | addr 0x38 | . | addr 0xc6 | +.|____________| | |____________| . |____________| +.................|.............................. + | ____________ ____________ + | | demod | | tuner | + | |------------| |------------| + | | AF9013 | | MXL5003 | + +----I2C-------|-----/ -----|-------I2C-------| | + | addr 0x3a | | addr 0xc6 | + |____________| |____________| +*/ + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + while (i < num) { + if (msg[i].addr == af9015_af9013_config[0].demod_address || + msg[i].addr == af9015_af9013_config[1].demod_address) { + addr = msg[i].buf[0] << 8; + addr += msg[i].buf[1]; + mbox = msg[i].buf[2]; + addr_len = 3; + } else { + addr = msg[i].buf[0]; + addr_len = 1; + mbox = 0; + } + + if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { + if (msg[i].addr == + af9015_af9013_config[0].demod_address) + req.cmd = READ_MEMORY; + else + req.cmd = READ_I2C; + req.i2c_addr = msg[i].addr; + req.addr = addr; + req.mbox = mbox; + req.addr_len = addr_len; + req.data_len = msg[i+1].len; + req.data = &msg[i+1].buf[0]; + ret = af9015_ctrl_msg(d, &req); + i += 2; + } else { + if (msg[i].addr == + af9015_af9013_config[0].demod_address) + req.cmd = WRITE_MEMORY; + else + req.cmd = WRITE_I2C; + req.i2c_addr = msg[i].addr; + req.addr = addr; + req.mbox = mbox; + req.addr_len = addr_len; + req.data_len = msg[i].len-addr_len; + req.data = &msg[i].buf[addr_len]; + ret = af9015_ctrl_msg(d, &req); + i += 1; + } + if (ret) + goto error; + + } + ret = i; + +error: + mutex_unlock(&d->i2c_mutex); + + return ret; +} + +static u32 af9015_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm af9015_i2c_algo = { + .master_xfer = af9015_i2c_xfer, + .functionality = af9015_i2c_func, +}; + +static int af9015_do_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit, u8 op) +{ + int ret; + u8 val, mask = 0x01; + + ret = af9015_read_reg(d, addr, &val); + if (ret) + return ret; + + mask <<= bit; + if (op) { + /* set bit */ + val |= mask; + } else { + /* clear bit */ + mask ^= 0xff; + val &= mask; + } + + return af9015_write_reg(d, addr, val); +} + +static int af9015_set_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit) +{ + return af9015_do_reg_bit(d, addr, bit, 1); +} + +static int af9015_clear_reg_bit(struct dvb_usb_device *d, u16 addr, u8 bit) +{ + return af9015_do_reg_bit(d, addr, bit, 0); +} + +static int af9015_init_endpoint(struct dvb_usb_device *d) +{ + int ret; + u16 frame_size; + u8 packet_size; + deb_info("%s: USB speed:%d\n", __func__, d->udev->speed); + +#define TS_PACKET_SIZE 188 + +#define TS_USB20_PACKET_COUNT 348 +#define TS_USB20_FRAME_SIZE (TS_PACKET_SIZE*TS_USB20_PACKET_COUNT) + +#define TS_USB11_PACKET_COUNT 21 +#define TS_USB11_FRAME_SIZE (TS_PACKET_SIZE*TS_USB11_PACKET_COUNT) + +#define TS_USB20_MAX_PACKET_SIZE 512 +#define TS_USB11_MAX_PACKET_SIZE 64 + + if (d->udev->speed == USB_SPEED_FULL) { + frame_size = TS_USB11_FRAME_SIZE/4; + packet_size = TS_USB11_MAX_PACKET_SIZE/4; + } else { + frame_size = TS_USB20_FRAME_SIZE/4; + packet_size = TS_USB20_MAX_PACKET_SIZE/4; + } + + ret = af9015_set_reg_bit(d, 0xd507, 2); /* assert EP4 reset */ + if (ret) + goto error; + ret = af9015_set_reg_bit(d, 0xd50b, 1); /* assert EP5 reset */ + if (ret) + goto error; + ret = af9015_clear_reg_bit(d, 0xdd11, 5); /* disable EP4 */ + if (ret) + goto error; + ret = af9015_clear_reg_bit(d, 0xdd11, 6); /* disable EP5 */ + if (ret) + goto error; + ret = af9015_set_reg_bit(d, 0xdd11, 5); /* enable EP4 */ + if (ret) + goto error; + if (af9015_config.dual_mode) { + ret = af9015_set_reg_bit(d, 0xdd11, 6); /* enable EP5 */ + if (ret) + goto error; + } + ret = af9015_clear_reg_bit(d, 0xdd13, 5); /* disable EP4 NAK */ + if (ret) + goto error; + if (af9015_config.dual_mode) { + ret = af9015_clear_reg_bit(d, 0xdd13, 6); /* disable EP5 NAK */ + if (ret) + goto error; + } + /* EP4 xfer length */ + ret = af9015_write_reg(d, 0xdd88, frame_size & 0xff); + if (ret) + goto error; + ret = af9015_write_reg(d, 0xdd89, frame_size >> 8); + if (ret) + goto error; + /* EP5 xfer length */ + ret = af9015_write_reg(d, 0xdd8a, frame_size & 0xff); + if (ret) + goto error; + ret = af9015_write_reg(d, 0xdd8b, frame_size >> 8); + if (ret) + goto error; + ret = af9015_write_reg(d, 0xdd0c, packet_size); /* EP4 packet size */ + if (ret) + goto error; + ret = af9015_write_reg(d, 0xdd0d, packet_size); /* EP5 packet size */ + if (ret) + goto error; + ret = af9015_clear_reg_bit(d, 0xd507, 2); /* negate EP4 reset */ + if (ret) + goto error; + if (af9015_config.dual_mode) { + ret = af9015_clear_reg_bit(d, 0xd50b, 1); /* negate EP5 reset */ + if (ret) + goto error; + } + + /* enable / disable mp2if2 */ + if (af9015_config.dual_mode) + ret = af9015_set_reg_bit(d, 0xd50b, 0); + else + ret = af9015_clear_reg_bit(d, 0xd50b, 0); +error: + if (ret) + err("endpoint init failed:%d", ret); + return ret; +} + +static int af9015_copy_firmware(struct dvb_usb_device *d) +{ + int ret; + u8 fw_params[4]; + u8 val, i; + struct req_t req = {COPY_FIRMWARE, 0, 0x5100, 0, 0, sizeof(fw_params), + fw_params }; + deb_info("%s:\n", __func__); + + fw_params[0] = af9015_config.firmware_size >> 8; + fw_params[1] = af9015_config.firmware_size & 0xff; + fw_params[2] = af9015_config.firmware_checksum >> 8; + fw_params[3] = af9015_config.firmware_checksum & 0xff; + + /* wait 2nd demodulator ready */ + msleep(100); + + ret = af9015_read_reg_i2c(d, 0x3a, 0x98be, &val); + if (ret) + goto error; + else + deb_info("%s: firmware status:%02x\n", __func__, val); + + if (val == 0x0c) /* fw is running, no need for download */ + goto exit; + + /* set I2C master clock to fast (to speed up firmware copy) */ + ret = af9015_write_reg(d, 0xd416, 0x04); /* 0x04 * 400ns */ + if (ret) + goto error; + + msleep(50); + + /* copy firmware */ + ret = af9015_ctrl_msg(d, &req); + if (ret) + err("firmware copy cmd failed:%d", ret); + deb_info("%s: firmware copy done\n", __func__); + + /* set I2C master clock back to normal */ + ret = af9015_write_reg(d, 0xd416, 0x14); /* 0x14 * 400ns */ + if (ret) + goto error; + + /* request boot firmware */ + ret = af9015_write_reg_i2c(d, af9015_af9013_config[1].demod_address, + 0xe205, 1); + deb_info("%s: firmware boot cmd status:%d\n", __func__, ret); + if (ret) + goto error; + + for (i = 0; i < 15; i++) { + msleep(100); + + /* check firmware status */ + ret = af9015_read_reg_i2c(d, + af9015_af9013_config[1].demod_address, 0x98be, &val); + deb_info("%s: firmware status cmd status:%d fw status:%02x\n", + __func__, ret, val); + if (ret) + goto error; + + if (val == 0x0c || val == 0x04) /* success or fail */ + break; + } + + if (val == 0x04) { + err("firmware did not run"); + ret = -1; + } else if (val != 0x0c) { + err("firmware boot timeout"); + ret = -1; + } + +error: +exit: + return ret; +} + +/* dump eeprom */ +static int af9015_eeprom_dump(struct dvb_usb_device *d) +{ + char buf[52], buf2[4]; + u8 reg, val; + + for (reg = 0; ; reg++) { + if (reg % 16 == 0) { + if (reg) + deb_info("%s\n", buf); + sprintf(buf, "%02x: ", reg); + } + if (af9015_read_reg_i2c(d, AF9015_I2C_EEPROM, reg, &val) == 0) + sprintf(buf2, "%02x ", val); + else + strcpy(buf2, "-- "); + strcat(buf, buf2); + if (reg == 0xff) + break; + } + deb_info("%s\n", buf); + return 0; +} + +int af9015_download_ir_table(struct dvb_usb_device *d) +{ + int i, packets = 0, ret; + u16 addr = 0x9a56; /* ir-table start address */ + struct req_t req = {WRITE_MEMORY, 0, 0, 0, 0, 1, NULL}; + u8 *data = NULL; + deb_info("%s:\n", __func__); + + data = af9015_config.ir_table; + packets = af9015_config.ir_table_size; + + /* no remote */ + if (!packets) + goto exit; + + /* load remote ir-table */ + for (i = 0; i < packets; i++) { + req.addr = addr + i; + req.data = &data[i]; + ret = af9015_ctrl_msg(d, &req); + if (ret) { + err("ir-table download failed at packet %d with " \ + "code %d", i, ret); + return ret; + } + } + +exit: + return 0; +} + +static int af9015_init(struct dvb_usb_device *d) +{ + int ret; + deb_info("%s:\n", __func__); + + ret = af9015_init_endpoint(d); + if (ret) + goto error; + + ret = af9015_download_ir_table(d); + if (ret) + goto error; + +error: + return ret; +} + +static int af9015_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) +{ + int ret; + deb_info("%s: onoff:%d\n", __func__, onoff); + + if (onoff) + ret = af9015_set_reg_bit(adap->dev, 0xd503, 0); + else + ret = af9015_clear_reg_bit(adap->dev, 0xd503, 0); + + return ret; +} + +static int af9015_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, + int onoff) +{ + int ret; + u8 idx; + + deb_info("%s: set pid filter, index %d, pid %x, onoff %d\n", + __func__, index, pid, onoff); + + ret = af9015_write_reg(adap->dev, 0xd505, (pid & 0xff)); + if (ret) + goto error; + + ret = af9015_write_reg(adap->dev, 0xd506, (pid >> 8)); + if (ret) + goto error; + + idx = ((index & 0x1f) | (1 << 5)); + ret = af9015_write_reg(adap->dev, 0xd504, idx); + +error: + return ret; +} + +static int af9015_download_firmware(struct usb_device *udev, + const struct firmware *fw) +{ + int i, len, packets, remainder, ret; + struct req_t req = {DOWNLOAD_FIRMWARE, 0, 0, 0, 0, 0, NULL}; + u16 addr = 0x5100; /* firmware start address */ + u16 checksum = 0; + + deb_info("%s:\n", __func__); + + /* calc checksum */ + for (i = 0; i < fw->size; i++) + checksum += fw->data[i]; + + af9015_config.firmware_size = fw->size; + af9015_config.firmware_checksum = checksum; + + #define FW_PACKET_MAX_DATA 55 + + packets = fw->size / FW_PACKET_MAX_DATA; + remainder = fw->size % FW_PACKET_MAX_DATA; + len = FW_PACKET_MAX_DATA; + for (i = 0; i <= packets; i++) { + if (i == packets) /* set size of the last packet */ + len = remainder; + + req.data_len = len; + req.data = (fw->data + i * FW_PACKET_MAX_DATA); + req.addr = addr; + addr += FW_PACKET_MAX_DATA; + + ret = af9015_rw_udev(udev, &req); + if (ret) { + err("firmware download failed at packet %d with " \ + "code %d", i, ret); + goto error; + } + } + #undef FW_PACKET_MAX_DATA + + /* firmware loaded, request boot */ + req.cmd = BOOT; + ret = af9015_rw_udev(udev, &req); + if (ret) { + err("firmware boot failed:%d", ret); + goto error; + } + + /* firmware is running, reconnect device in the usb bus */ + req.cmd = RECONNECT_USB; + ret = af9015_rw_udev(udev, &req); + if (ret) + err("reconnect failed: %d", ret); + +error: + return ret; +} + +static int af9015_read_config(struct usb_device *udev) +{ + int ret; + u8 val, i, offset = 0; + struct req_t req = {READ_I2C, AF9015_I2C_EEPROM, 0, 0, 1, 1, &val}; + char manufacturer[10]; + + /* IR remote controller */ + req.addr = AF9015_EEPROM_IR_MODE; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + deb_info("%s: IR mode:%d\n", __func__, val); + for (i = 0; i < af9015_properties_count; i++) { + if (val == AF9015_IR_MODE_DISABLED || val == 0x04) { + af9015_properties[i].rc_key_map = NULL; + af9015_properties[i].rc_key_map_size = 0; + } else if (dvb_usb_af9015_remote) { + /* load remote defined as module param */ + switch (dvb_usb_af9015_remote) { + case AF9015_REMOTE_A_LINK_DTU_M: + af9015_properties[i].rc_key_map = + af9015_rc_keys_a_link; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_a_link); + af9015_config.ir_table = af9015_ir_table_a_link; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_a_link); + break; + case AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3: + af9015_properties[i].rc_key_map = + af9015_rc_keys_msi; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_msi); + af9015_config.ir_table = af9015_ir_table_msi; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_msi); + break; + case AF9015_REMOTE_MYGICTV_U718: + af9015_properties[i].rc_key_map = + af9015_rc_keys_mygictv; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_mygictv); + af9015_config.ir_table = + af9015_ir_table_mygictv; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_mygictv); + break; + } + } else { + switch (udev->descriptor.idVendor) { + case cpu_to_le16(USB_VID_LEADTEK): + af9015_properties[i].rc_key_map = + af9015_rc_keys_leadtek; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_leadtek); + af9015_config.ir_table = + af9015_ir_table_leadtek; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_leadtek); + break; + case cpu_to_le16(USB_VID_VISIONPLUS): + if (udev->descriptor.idProduct == + cpu_to_le16(USB_PID_AZUREWAVE_AD_TU700)) { + af9015_properties[i].rc_key_map = + af9015_rc_keys_twinhan; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_twinhan); + af9015_config.ir_table = + af9015_ir_table_twinhan; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_twinhan); + } + break; + case cpu_to_le16(USB_VID_KWORLD_2): + /* TODO: use correct rc keys */ + af9015_properties[i].rc_key_map = + af9015_rc_keys_twinhan; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_twinhan); + af9015_config.ir_table = af9015_ir_table_kworld; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_kworld); + break; + /* Check USB manufacturer and product strings and try + to determine correct remote in case of chip vendor + reference IDs are used. */ + case cpu_to_le16(USB_VID_AFATECH): + memset(manufacturer, 0, sizeof(manufacturer)); + usb_string(udev, udev->descriptor.iManufacturer, + manufacturer, sizeof(manufacturer)); + if (!strcmp("Geniatech", manufacturer)) { + /* iManufacturer 1 Geniatech + iProduct 2 AF9015 */ + af9015_properties[i].rc_key_map = + af9015_rc_keys_mygictv; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_mygictv); + af9015_config.ir_table = + af9015_ir_table_mygictv; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_mygictv); + } else if (!strcmp("MSI", manufacturer)) { + /* iManufacturer 1 MSI + iProduct 2 MSI K-VOX */ + af9015_properties[i].rc_key_map = + af9015_rc_keys_msi; + af9015_properties[i].rc_key_map_size = + ARRAY_SIZE(af9015_rc_keys_msi); + af9015_config.ir_table = + af9015_ir_table_msi; + af9015_config.ir_table_size = + ARRAY_SIZE(af9015_ir_table_msi); + } + break; + } + } + } + + /* TS mode - one or two receivers */ + req.addr = AF9015_EEPROM_TS_MODE; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_config.dual_mode = val; + deb_info("%s: TS mode:%d\n", __func__, af9015_config.dual_mode); + /* disable dual mode by default because it is buggy */ + if (!dvb_usb_af9015_dual_mode) + af9015_config.dual_mode = 0; + + /* set buffer size according to USB port speed */ + for (i = 0; i < af9015_properties_count; i++) { + /* USB1.1 set smaller buffersize and disable 2nd adapter */ + if (udev->speed == USB_SPEED_FULL) { + af9015_properties[i].adapter->stream.u.bulk.buffersize = + TS_USB11_MAX_PACKET_SIZE; + /* disable 2nd adapter because we don't have + PID-filters */ + af9015_config.dual_mode = 0; + } else { + af9015_properties[i].adapter->stream.u.bulk.buffersize = + TS_USB20_MAX_PACKET_SIZE; + } + } + + if (af9015_config.dual_mode) { + /* read 2nd demodulator I2C address */ + req.addr = AF9015_EEPROM_DEMOD2_I2C; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_af9013_config[1].demod_address = val; + + /* enable 2nd adapter */ + for (i = 0; i < af9015_properties_count; i++) + af9015_properties[i].num_adapters = 2; + + } else { + /* disable 2nd adapter */ + for (i = 0; i < af9015_properties_count; i++) + af9015_properties[i].num_adapters = 1; + } + + for (i = 0; i < af9015_properties[0].num_adapters; i++) { + if (i == 1) + offset = AF9015_EEPROM_OFFSET; + /* xtal */ + req.addr = AF9015_EEPROM_XTAL_TYPE1 + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + switch (val) { + case 0: + af9015_af9013_config[i].adc_clock = 28800; + break; + case 1: + af9015_af9013_config[i].adc_clock = 20480; + break; + case 2: + af9015_af9013_config[i].adc_clock = 28000; + break; + case 3: + af9015_af9013_config[i].adc_clock = 25000; + break; + }; + deb_info("%s: [%d] xtal:%d set adc_clock:%d\n", __func__, i, + val, af9015_af9013_config[i].adc_clock); + + /* tuner IF */ + req.addr = AF9015_EEPROM_IF1H + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_af9013_config[i].tuner_if = val << 8; + req.addr = AF9015_EEPROM_IF1L + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_af9013_config[i].tuner_if += val; + deb_info("%s: [%d] IF1:%d\n", __func__, i, + af9015_af9013_config[0].tuner_if); + + /* MT2060 IF1 */ + req.addr = AF9015_EEPROM_MT2060_IF1H + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_config.mt2060_if1[i] = val << 8; + req.addr = AF9015_EEPROM_MT2060_IF1L + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + af9015_config.mt2060_if1[i] += val; + deb_info("%s: [%d] MT2060 IF1:%d\n", __func__, i, + af9015_config.mt2060_if1[i]); + + /* tuner */ + req.addr = AF9015_EEPROM_TUNER_ID1 + offset; + ret = af9015_rw_udev(udev, &req); + if (ret) + goto error; + switch (val) { + case AF9013_TUNER_ENV77H11D5: + case AF9013_TUNER_MT2060: + case AF9013_TUNER_MC44S803: + case AF9013_TUNER_QT1010: + case AF9013_TUNER_UNKNOWN: + case AF9013_TUNER_MT2060_2: + case AF9013_TUNER_TDA18271: + case AF9013_TUNER_QT1010A: + af9015_af9013_config[i].rf_spec_inv = 1; + break; + case AF9013_TUNER_MXL5003D: + case AF9013_TUNER_MXL5005D: + case AF9013_TUNER_MXL5005R: + af9015_af9013_config[i].rf_spec_inv = 0; + break; + default: + warn("tuner id:%d not supported, please report!", val); + return -ENODEV; + }; + + af9015_af9013_config[i].tuner = val; + deb_info("%s: [%d] tuner id:%d\n", __func__, i, val); + } + +error: + if (ret) + err("eeprom read failed:%d", ret); + + return ret; +} + +static int af9015_identify_state(struct usb_device *udev, + struct dvb_usb_device_properties *props, + struct dvb_usb_device_description **desc, + int *cold) +{ + int ret; + u8 reply; + struct req_t req = {GET_CONFIG, 0, 0, 0, 0, 1, &reply}; + + ret = af9015_rw_udev(udev, &req); + if (ret) + return ret; + + deb_info("%s: reply:%02x\n", __func__, reply); + if (reply == 0x02) + *cold = 0; + else + *cold = 1; + + return ret; +} + +static int af9015_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 buf[8]; + struct req_t req = {GET_IR_CODE, 0, 0, 0, 0, sizeof(buf), buf}; + struct dvb_usb_rc_key *keymap = d->props.rc_key_map; + int i, ret; + + memset(buf, 0, sizeof(buf)); + + ret = af9015_ctrl_msg(d, &req); + if (ret) + return ret; + + *event = 0; + *state = REMOTE_NO_KEY_PRESSED; + + for (i = 0; i < d->props.rc_key_map_size; i++) { + if (!buf[1] && keymap[i].custom == buf[0] && + keymap[i].data == buf[2]) { + *event = keymap[i].event; + *state = REMOTE_KEY_PRESSED; + break; + } + } + if (!buf[1]) + deb_rc("%s: %02x %02x %02x %02x %02x %02x %02x %02x\n", + __func__, buf[0], buf[1], buf[2], buf[3], buf[4], + buf[5], buf[6], buf[7]); + + return 0; +} + +/* init 2nd I2C adapter */ +int af9015_i2c_init(struct dvb_usb_device *d) +{ + int ret; + struct af9015_state *state = d->priv; + deb_info("%s:\n", __func__); + + strncpy(state->i2c_adap.name, d->desc->name, + sizeof(state->i2c_adap.name)); +#ifdef I2C_ADAP_CLASS_TV_DIGITAL + state->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL, +#else + state->i2c_adap.class = I2C_CLASS_TV_DIGITAL, +#endif + state->i2c_adap.algo = d->props.i2c_algo; + state->i2c_adap.algo_data = NULL; + state->i2c_adap.dev.parent = &d->udev->dev; + + i2c_set_adapdata(&state->i2c_adap, d); + + ret = i2c_add_adapter(&state->i2c_adap); + if (ret < 0) + err("could not add i2c adapter"); + + return ret; +} + +static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap) +{ + int ret; + struct af9015_state *state = adap->dev->priv; + struct i2c_adapter *i2c_adap; + + if (adap->id == 0) { + /* select I2C adapter */ + i2c_adap = &adap->dev->i2c_adap; + + deb_info("%s: init I2C\n", __func__); + ret = af9015_i2c_init(adap->dev); + + /* dump eeprom (debug) */ + ret = af9015_eeprom_dump(adap->dev); + if (ret) + return ret; + } else { + /* select I2C adapter */ + i2c_adap = &state->i2c_adap; + + /* copy firmware to 2nd demodulator */ + if (af9015_config.dual_mode) { + ret = af9015_copy_firmware(adap->dev); + if (ret) { + err("firmware copy to 2nd frontend " \ + "failed, will disable it"); + af9015_config.dual_mode = 0; + return -ENODEV; + } + } else { + return -ENODEV; + } + } + + /* attach demodulator */ + adap->fe = dvb_attach(af9013_attach, &af9015_af9013_config[adap->id], + i2c_adap); + + return adap->fe == NULL ? -ENODEV : 0; +} + +static struct mt2060_config af9015_mt2060_config = { + .i2c_address = 0xc0, + .clock_out = 0, +}; + +static struct qt1010_config af9015_qt1010_config = { + .i2c_address = 0xc4, +}; + +static struct tda18271_config af9015_tda18271_config = { + .gate = TDA18271_GATE_DIGITAL, + .small_i2c = 1, +}; + +static struct mxl5005s_config af9015_mxl5003_config = { + .i2c_address = 0xc6, + .if_freq = IF_FREQ_4570000HZ, + .xtal_freq = CRYSTAL_FREQ_16000000HZ, + .agc_mode = MXL_SINGLE_AGC, + .tracking_filter = MXL_TF_DEFAULT, + .rssi_enable = MXL_RSSI_DISABLE, + .cap_select = MXL_CAP_SEL_ENABLE, + .div_out = MXL_DIV_OUT_4, + .clock_out = MXL_CLOCK_OUT_DISABLE, + .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, + .top = MXL5005S_TOP_25P2, + .mod_mode = MXL_DIGITAL_MODE, + .if_mode = MXL_ZERO_IF, + .AgcMasterByte = 0x00, +}; + +static struct mxl5005s_config af9015_mxl5005_config = { + .i2c_address = 0xc6, + .if_freq = IF_FREQ_4570000HZ, + .xtal_freq = CRYSTAL_FREQ_16000000HZ, + .agc_mode = MXL_SINGLE_AGC, + .tracking_filter = MXL_TF_OFF, + .rssi_enable = MXL_RSSI_DISABLE, + .cap_select = MXL_CAP_SEL_ENABLE, + .div_out = MXL_DIV_OUT_4, + .clock_out = MXL_CLOCK_OUT_DISABLE, + .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, + .top = MXL5005S_TOP_25P2, + .mod_mode = MXL_DIGITAL_MODE, + .if_mode = MXL_ZERO_IF, + .AgcMasterByte = 0x00, +}; + +static int af9015_tuner_attach(struct dvb_usb_adapter *adap) +{ + struct af9015_state *state = adap->dev->priv; + struct i2c_adapter *i2c_adap; + int ret; + deb_info("%s: \n", __func__); + + /* select I2C adapter */ + if (adap->id == 0) + i2c_adap = &adap->dev->i2c_adap; + else + i2c_adap = &state->i2c_adap; + + switch (af9015_af9013_config[adap->id].tuner) { + case AF9013_TUNER_MT2060: + case AF9013_TUNER_MT2060_2: + ret = dvb_attach(mt2060_attach, adap->fe, i2c_adap, + &af9015_mt2060_config, + af9015_config.mt2060_if1[adap->id]) + == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_QT1010: + case AF9013_TUNER_QT1010A: + ret = dvb_attach(qt1010_attach, adap->fe, i2c_adap, + &af9015_qt1010_config) == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_TDA18271: + ret = dvb_attach(tda18271_attach, adap->fe, 0xc0, i2c_adap, + &af9015_tda18271_config) == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_MXL5003D: + ret = dvb_attach(mxl5005s_attach, adap->fe, i2c_adap, + &af9015_mxl5003_config) == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_MXL5005D: + case AF9013_TUNER_MXL5005R: + ret = dvb_attach(mxl5005s_attach, adap->fe, i2c_adap, + &af9015_mxl5005_config) == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_ENV77H11D5: + ret = dvb_attach(dvb_pll_attach, adap->fe, 0xc0, i2c_adap, + DVB_PLL_TDA665X) == NULL ? -ENODEV : 0; + break; + case AF9013_TUNER_MC44S803: +#if 0 + ret = dvb_attach(mc44s80x_attach, adap->fe, i2c_adap) + == NULL ? -ENODEV : 0; +#else + ret = -ENODEV; + info("Freescale MC44S803 tuner found but no driver for that" \ + "tuner. Look at the Linuxtv.org for tuner driver" \ + "status."); +#endif + break; + case AF9013_TUNER_UNKNOWN: + default: + ret = -ENODEV; + err("Unknown tuner id:%d", + af9015_af9013_config[adap->id].tuner); + } + return ret; +} + +static struct usb_device_id af9015_usb_table[] = { +/* 0 */{USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9015)}, + {USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9015_9016)}, + {USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_GOLD)}, + {USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV71E)}, + {USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_399U)}, +/* 5 */{USB_DEVICE(USB_VID_VISIONPLUS, + USB_PID_TINYTWIN)}, + {USB_DEVICE(USB_VID_VISIONPLUS, + USB_PID_AZUREWAVE_AD_TU700)}, + {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2)}, + {USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_PC160_2T)}, + {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X)}, +/* 10 */{USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380)}, + {USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO)}, + {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)}, + {0}, +}; +MODULE_DEVICE_TABLE(usb, af9015_usb_table); + +static struct dvb_usb_device_properties af9015_properties[] = { + { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = DEVICE_SPECIFIC, + .download_firmware = af9015_download_firmware, + .firmware = "dvb-usb-af9015.fw", + + .size_of_priv = sizeof(struct af9015_state), \ + + .num_adapters = 2, + .adapter = { + { + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 32, + .pid_filter = af9015_pid_filter, + .pid_filter_ctrl = af9015_pid_filter_ctrl, + + .frontend_attach = + af9015_af9013_frontend_attach, + .tuner_attach = af9015_tuner_attach, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x84, + }, + }, + { + .frontend_attach = + af9015_af9013_frontend_attach, + .tuner_attach = af9015_tuner_attach, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x85, + }, + } + }, + + .identify_state = af9015_identify_state, + + .rc_query = af9015_rc_query, + .rc_interval = 150, + + .i2c_algo = &af9015_i2c_algo, + + .num_device_descs = 9, + .devices = { + { + .name = "Afatech AF9015 DVB-T USB2.0 stick", + .cold_ids = {&af9015_usb_table[0], + &af9015_usb_table[1], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "Leadtek WinFast DTV Dongle Gold", + .cold_ids = {&af9015_usb_table[2], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "Pinnacle PCTV 71e", + .cold_ids = {&af9015_usb_table[3], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "KWorld PlusTV Dual DVB-T Stick " \ + "(DVB-T 399U)", + .cold_ids = {&af9015_usb_table[4], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "DigitalNow TinyTwin DVB-T Receiver", + .cold_ids = {&af9015_usb_table[5], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "TwinHan AzureWave AD-TU700(704J)", + .cold_ids = {&af9015_usb_table[6], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "TerraTec Cinergy T USB XE", + .cold_ids = {&af9015_usb_table[7], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "KWorld PlusTV Dual DVB-T PCI " \ + "(DVB-T PC160-2T)", + .cold_ids = {&af9015_usb_table[8], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "AVerMedia AVerTV DVB-T Volar X", + .cold_ids = {&af9015_usb_table[9], NULL}, + .warm_ids = {NULL}, + }, + } + }, { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = DEVICE_SPECIFIC, + .download_firmware = af9015_download_firmware, + .firmware = "dvb-usb-af9015.fw", + + .size_of_priv = sizeof(struct af9015_state), \ + + .num_adapters = 2, + .adapter = { + { + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 32, + .pid_filter = af9015_pid_filter, + .pid_filter_ctrl = af9015_pid_filter_ctrl, + + .frontend_attach = + af9015_af9013_frontend_attach, + .tuner_attach = af9015_tuner_attach, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x84, + }, + }, + { + .frontend_attach = + af9015_af9013_frontend_attach, + .tuner_attach = af9015_tuner_attach, + .stream = { + .type = USB_BULK, + .count = 6, + .endpoint = 0x85, + }, + } + }, + + .identify_state = af9015_identify_state, + + .rc_query = af9015_rc_query, + .rc_interval = 150, + + .i2c_algo = &af9015_i2c_algo, + + .num_device_descs = 3, + .devices = { + { + .name = "Xtensions XD-380", + .cold_ids = {&af9015_usb_table[10], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "MSI DIGIVOX Duo", + .cold_ids = {&af9015_usb_table[11], NULL}, + .warm_ids = {NULL}, + }, + { + .name = "Fujitsu-Siemens Slim Mobile USB DVB-T", + .cold_ids = {&af9015_usb_table[12], NULL}, + .warm_ids = {NULL}, + }, + } + } +}; +#undef AF9015_DEFAULT_PROPERTIES + +static int af9015_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + int ret = 0; + struct dvb_usb_device *d = NULL; + struct usb_device *udev = interface_to_usbdev(intf); + u8 i; + + deb_info("%s: interface:%d\n", __func__, + intf->cur_altsetting->desc.bInterfaceNumber); + + /* interface 0 is used by DVB-T receiver and + interface 1 is for remote controller (HID) */ + if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { + ret = af9015_read_config(udev); + if (ret) + return ret; + + for (i = 0; i < af9015_properties_count; i++) { + ret = dvb_usb_device_init(intf, &af9015_properties[i], + THIS_MODULE, &d, adapter_nr); + if (!ret) + break; + if (ret != -ENODEV) + return ret; + } + if (ret) + return ret; + + if (d) + ret = af9015_init(d); + } + + return ret; +} + +void af9015_i2c_exit(struct dvb_usb_device *d) +{ + struct af9015_state *state = d->priv; + deb_info("%s: \n", __func__); + + /* remove 2nd I2C adapter */ + if (d->state & DVB_USB_STATE_I2C) + i2c_del_adapter(&state->i2c_adap); +} + +static void af9015_usb_device_exit(struct usb_interface *intf) +{ + struct dvb_usb_device *d = usb_get_intfdata(intf); + deb_info("%s: \n", __func__); + + /* remove 2nd I2C adapter */ + if (d != NULL && d->desc != NULL) + af9015_i2c_exit(d); + + dvb_usb_device_exit(intf); +} + +/* usb specific object needed to register this driver with the usb subsystem */ +static struct usb_driver af9015_usb_driver = { + .name = "dvb_usb_af9015", + .probe = af9015_usb_probe, + .disconnect = af9015_usb_device_exit, + .id_table = af9015_usb_table, +}; + +/* module stuff */ +static int __init af9015_usb_module_init(void) +{ + int ret; + ret = usb_register(&af9015_usb_driver); + if (ret) + err("module init failed:%d", ret); + + return ret; +} + +static void __exit af9015_usb_module_exit(void) +{ + /* deregister this driver from the USB subsystem */ + usb_deregister(&af9015_usb_driver); +} + +module_init(af9015_usb_module_init); +module_exit(af9015_usb_module_exit); + +MODULE_AUTHOR("Antti Palosaari "); +MODULE_DESCRIPTION("Driver for Afatech AF9015 DVB-T"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb/af9015.h b/drivers/media/dvb/dvb-usb/af9015.h new file mode 100644 index 000000000000..882e8a4b3681 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/af9015.h @@ -0,0 +1,524 @@ +/* + * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver + * + * Copyright (C) 2007 Antti Palosaari + * + * Thanks to Afatech who kindly provided information. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _DVB_USB_AF9015_H_ +#define _DVB_USB_AF9015_H_ + +#define DVB_USB_LOG_PREFIX "af9015" +#include "dvb-usb.h" + +extern int dvb_usb_af9015_debug; +#define deb_info(args...) dprintk(dvb_usb_af9015_debug, 0x01, args) +#define deb_rc(args...) dprintk(dvb_usb_af9015_debug, 0x02, args) +#define deb_xfer(args...) dprintk(dvb_usb_af9015_debug, 0x04, args) +#define deb_reg(args...) dprintk(dvb_usb_af9015_debug, 0x08, args) +#define deb_i2c(args...) dprintk(dvb_usb_af9015_debug, 0x10, args) +#define deb_fw(args...) dprintk(dvb_usb_af9015_debug, 0x20, args) + +#define AF9015_I2C_EEPROM 0xa0 +#define AF9015_I2C_DEMOD 0x38 +#define AF9015_USB_TIMEOUT 2000 + +/* EEPROM locations */ +#define AF9015_EEPROM_IR_MODE 0x18 +#define AF9015_EEPROM_IR_REMOTE_TYPE 0x34 +#define AF9015_EEPROM_TS_MODE 0x31 +#define AF9015_EEPROM_DEMOD2_I2C 0x32 + +#define AF9015_EEPROM_SAW_BW1 0x35 +#define AF9015_EEPROM_XTAL_TYPE1 0x36 +#define AF9015_EEPROM_SPEC_INV1 0x37 +#define AF9015_EEPROM_IF1L 0x38 +#define AF9015_EEPROM_IF1H 0x39 +#define AF9015_EEPROM_MT2060_IF1L 0x3a +#define AF9015_EEPROM_MT2060_IF1H 0x3b +#define AF9015_EEPROM_TUNER_ID1 0x3c + +#define AF9015_EEPROM_SAW_BW2 0x45 +#define AF9015_EEPROM_XTAL_TYPE2 0x46 +#define AF9015_EEPROM_SPEC_INV2 0x47 +#define AF9015_EEPROM_IF2L 0x48 +#define AF9015_EEPROM_IF2H 0x49 +#define AF9015_EEPROM_MT2060_IF2L 0x4a +#define AF9015_EEPROM_MT2060_IF2H 0x4b +#define AF9015_EEPROM_TUNER_ID2 0x4c + +#define AF9015_EEPROM_OFFSET (AF9015_EEPROM_SAW_BW2 - AF9015_EEPROM_SAW_BW1) + +#define AF9015_GPIO_ON (1 << 0) +#define AF9015_GPIO_EN (1 << 1) +#define AF9015_GPIO_O (1 << 2) +#define AF9015_GPIO_I (1 << 3) + +#define AF9015_GPIO_TUNER_ON (AF9015_GPIO_ON|AF9015_GPIO_EN) +#define AF9015_GPIO_TUNER_OFF (AF9015_GPIO_ON|AF9015_GPIO_EN|AF9015_GPIO_O) + +struct req_t { + u8 cmd; /* [0] */ + /* seq */ /* [1] */ + u8 i2c_addr; /* [2] */ + u16 addr; /* [3|4] */ + u8 mbox; /* [5] */ + u8 addr_len; /* [6] */ + u8 data_len; /* [7] */ + u8 *data; +}; + +enum af9015_cmd { + GET_CONFIG = 0x10, + DOWNLOAD_FIRMWARE = 0x11, + BOOT = 0x13, + READ_MEMORY = 0x20, + WRITE_MEMORY = 0x21, + READ_WRITE_I2C = 0x22, + COPY_FIRMWARE = 0x23, + RECONNECT_USB = 0x5a, + WRITE_VIRTUAL_MEMORY = 0x26, + GET_IR_CODE = 0x27, + READ_I2C, + WRITE_I2C, +}; + +enum af9015_ir_mode { + AF9015_IR_MODE_DISABLED = 0, + AF9015_IR_MODE_HID, + AF9015_IR_MODE_RLC, + AF9015_IR_MODE_RC6, +}; + +struct af9015_state { + struct i2c_adapter i2c_adap; /* I2C adapter for 2nd FE */ +}; + +struct af9015_config { + u8 dual_mode:1; + u16 mt2060_if1[2]; + u16 firmware_size; + u16 firmware_checksum; + u8 *ir_table; + u16 ir_table_size; +}; + +enum af9015_remote { + AF9015_REMOTE_NONE = 0, + AF9015_REMOTE_A_LINK_DTU_M, + AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3, + AF9015_REMOTE_MYGICTV_U718, +}; + +/* Leadtek WinFast DTV Dongle Gold */ +static struct dvb_usb_rc_key af9015_rc_keys_leadtek[] = { + { 0x00, 0x1e, KEY_1 }, + { 0x00, 0x1f, KEY_2 }, + { 0x00, 0x20, KEY_3 }, + { 0x00, 0x21, KEY_4 }, + { 0x00, 0x22, KEY_5 }, + { 0x00, 0x23, KEY_6 }, + { 0x00, 0x24, KEY_7 }, + { 0x00, 0x25, KEY_8 }, + { 0x00, 0x26, KEY_9 }, + { 0x00, 0x27, KEY_0 }, + { 0x00, 0x28, KEY_ENTER }, + { 0x00, 0x4f, KEY_VOLUMEUP }, + { 0x00, 0x50, KEY_VOLUMEDOWN }, + { 0x00, 0x51, KEY_CHANNELDOWN }, + { 0x00, 0x52, KEY_CHANNELUP }, +}; + +static u8 af9015_ir_table_leadtek[] = { + 0x03, 0xfc, 0x00, 0xff, 0x1a, 0x01, 0x00, + 0x03, 0xfc, 0x56, 0xa9, 0x00, 0x00, 0x00, + 0x03, 0xfc, 0x4b, 0xb4, 0x00, 0x00, 0x00, + 0x03, 0xfc, 0x4c, 0xb3, 0xb2, 0x04, 0x00, + 0x03, 0xfc, 0x4d, 0xb2, 0x00, 0x00, 0x00, + 0x03, 0xfc, 0x4e, 0xb1, 0x00, 0x00, 0x00, + 0x03, 0xfc, 0x1f, 0xe0, 0x3d, 0x00, 0x00, + 0x03, 0xfc, 0x40, 0xbf, 0x13, 0x01, 0x00, + 0x03, 0xfc, 0x14, 0xeb, 0x10, 0x00, 0x00, + 0x03, 0xfc, 0x49, 0xb6, 0x05, 0x01, 0x00, + 0x03, 0xfc, 0x50, 0xaf, 0x29, 0x00, 0x00, + 0x03, 0xfc, 0x0c, 0xf3, 0x52, 0x00, 0x00, + 0x03, 0xfc, 0x03, 0xfc, 0x09, 0x00, 0x00, + 0x03, 0xfc, 0x08, 0xf7, 0x50, 0x00, 0x00, + 0x03, 0xfc, 0x13, 0xec, 0x28, 0x00, 0x00, + 0x03, 0xfc, 0x04, 0xfb, 0x4f, 0x00, 0x00, + 0x03, 0xfc, 0x4f, 0xb0, 0x0f, 0x01, 0x00, + 0x03, 0xfc, 0x10, 0xef, 0x51, 0x00, 0x00, + 0x03, 0xfc, 0x51, 0xae, 0x3f, 0x00, 0x00, + 0x03, 0xfc, 0x42, 0xbd, 0x13, 0x00, 0x00, + 0x03, 0xfc, 0x43, 0xbc, 0x00, 0x00, 0x00, + 0x03, 0xfc, 0x44, 0xbb, 0x11, 0x00, 0x00, + 0x03, 0xfc, 0x52, 0xad, 0x19, 0x00, 0x00, + 0x03, 0xfc, 0x54, 0xab, 0x05, 0x00, 0x00, + 0x03, 0xfc, 0x46, 0xb9, 0x29, 0x00, 0x00, + 0x03, 0xfc, 0x55, 0xaa, 0x2b, 0x00, 0x00, + 0x03, 0xfc, 0x53, 0xac, 0x41, 0x00, 0x00, + 0x03, 0xfc, 0x05, 0xfa, 0x1e, 0x00, 0x00, + 0x03, 0xfc, 0x06, 0xf9, 0x1f, 0x00, 0x00, + 0x03, 0xfc, 0x07, 0xf8, 0x20, 0x00, 0x00, + 0x03, 0xfc, 0x1e, 0xe1, 0x19, 0x00, 0x00, + 0x03, 0xfc, 0x09, 0xf6, 0x21, 0x00, 0x00, + 0x03, 0xfc, 0x0a, 0xf5, 0x22, 0x00, 0x00, + 0x03, 0xfc, 0x0b, 0xf4, 0x23, 0x00, 0x00, + 0x03, 0xfc, 0x1b, 0xe4, 0x16, 0x00, 0x00, + 0x03, 0xfc, 0x0d, 0xf2, 0x24, 0x00, 0x00, + 0x03, 0xfc, 0x0e, 0xf1, 0x25, 0x00, 0x00, + 0x03, 0xfc, 0x0f, 0xf0, 0x26, 0x00, 0x00, + 0x03, 0xfc, 0x16, 0xe9, 0x28, 0x00, 0x00, + 0x03, 0xfc, 0x41, 0xbe, 0x37, 0x00, 0x00, + 0x03, 0xfc, 0x12, 0xed, 0x27, 0x00, 0x00, + 0x03, 0xfc, 0x11, 0xee, 0x2a, 0x00, 0x00, + 0x03, 0xfc, 0x48, 0xb7, 0x2c, 0x00, 0x00, + 0x03, 0xfc, 0x4a, 0xb5, 0x3c, 0x00, 0x00, + 0x03, 0xfc, 0x47, 0xb8, 0x15, 0x01, 0x00, + 0x03, 0xfc, 0x45, 0xba, 0x0b, 0x01, 0x00, + 0x03, 0xfc, 0x5e, 0xa1, 0x43, 0x00, 0x00, + 0x03, 0xfc, 0x5a, 0xa5, 0x42, 0x00, 0x00, + 0x03, 0xfc, 0x5b, 0xa4, 0x4b, 0x00, 0x00, + 0x03, 0xfc, 0x5f, 0xa0, 0x4e, 0x00, 0x00, +}; + +/* TwinHan AzureWave AD-TU700(704J) */ +static struct dvb_usb_rc_key af9015_rc_keys_twinhan[] = { + { 0x05, 0x3f, KEY_POWER }, + { 0x00, 0x19, KEY_FAVORITES }, /* Favorite List */ + { 0x00, 0x04, KEY_TEXT }, /* Teletext */ + { 0x00, 0x0e, KEY_POWER }, + { 0x00, 0x0e, KEY_INFO }, /* Preview */ + { 0x00, 0x08, KEY_EPG }, /* Info/EPG */ + { 0x00, 0x0f, KEY_LIST }, /* Record List */ + { 0x00, 0x1e, KEY_1 }, + { 0x00, 0x1f, KEY_2 }, + { 0x00, 0x20, KEY_3 }, + { 0x00, 0x21, KEY_4 }, + { 0x00, 0x22, KEY_5 }, + { 0x00, 0x23, KEY_6 }, + { 0x00, 0x24, KEY_7 }, + { 0x00, 0x25, KEY_8 }, + { 0x00, 0x26, KEY_9 }, + { 0x00, 0x27, KEY_0 }, + { 0x00, 0x29, KEY_CANCEL }, /* Cancel */ + { 0x00, 0x4c, KEY_CLEAR }, /* Clear */ + { 0x00, 0x2a, KEY_BACK }, /* Back */ + { 0x00, 0x2b, KEY_TAB }, /* Tab */ + { 0x00, 0x52, KEY_UP }, /* up arrow */ + { 0x00, 0x51, KEY_DOWN }, /* down arrow */ + { 0x00, 0x4f, KEY_RIGHT }, /* right arrow */ + { 0x00, 0x50, KEY_LEFT }, /* left arrow */ + { 0x00, 0x28, KEY_ENTER }, /* Enter / ok */ + { 0x02, 0x52, KEY_VOLUMEUP }, + { 0x02, 0x51, KEY_VOLUMEDOWN }, + { 0x00, 0x4e, KEY_CHANNELDOWN }, + { 0x00, 0x4b, KEY_CHANNELUP }, + { 0x00, 0x4a, KEY_RECORD }, + { 0x01, 0x11, KEY_PLAY }, + { 0x00, 0x17, KEY_PAUSE }, + { 0x00, 0x0c, KEY_REWIND }, /* FR << */ + { 0x00, 0x11, KEY_FASTFORWARD }, /* FF >> */ + { 0x01, 0x15, KEY_PREVIOUS }, /* Replay */ + { 0x01, 0x0e, KEY_NEXT }, /* Skip */ + { 0x00, 0x13, KEY_CAMERA }, /* Capture */ + { 0x01, 0x0f, KEY_LANGUAGE }, /* SAP */ + { 0x01, 0x13, KEY_TV2 }, /* PIP */ + { 0x00, 0x1d, KEY_ZOOM }, /* Full Screen */ + { 0x01, 0x17, KEY_SUBTITLE }, /* Subtitle / CC */ + { 0x00, 0x10, KEY_MUTE }, + { 0x01, 0x19, KEY_AUDIO }, /* L/R */ /* TODO better event */ + { 0x01, 0x16, KEY_SLEEP }, /* Hibernate */ + { 0x01, 0x16, KEY_SWITCHVIDEOMODE }, + /* A/V */ /* TODO does not work */ + { 0x00, 0x06, KEY_AGAIN }, /* Recall */ + { 0x01, 0x16, KEY_KPPLUS }, /* Zoom+ */ /* TODO does not work */ + { 0x01, 0x16, KEY_KPMINUS }, /* Zoom- */ /* TODO does not work */ + { 0x02, 0x15, KEY_RED }, + { 0x02, 0x0a, KEY_GREEN }, + { 0x02, 0x1c, KEY_YELLOW }, + { 0x02, 0x05, KEY_BLUE }, +}; + +static u8 af9015_ir_table_twinhan[] = { + 0x00, 0xff, 0x16, 0xe9, 0x3f, 0x05, 0x00, + 0x00, 0xff, 0x07, 0xf8, 0x16, 0x01, 0x00, + 0x00, 0xff, 0x14, 0xeb, 0x11, 0x01, 0x00, + 0x00, 0xff, 0x1a, 0xe5, 0x4d, 0x00, 0x00, + 0x00, 0xff, 0x4c, 0xb3, 0x17, 0x00, 0x00, + 0x00, 0xff, 0x12, 0xed, 0x11, 0x00, 0x00, + 0x00, 0xff, 0x40, 0xbf, 0x0c, 0x00, 0x00, + 0x00, 0xff, 0x11, 0xee, 0x4a, 0x00, 0x00, + 0x00, 0xff, 0x54, 0xab, 0x13, 0x00, 0x00, + 0x00, 0xff, 0x41, 0xbe, 0x15, 0x01, 0x00, + 0x00, 0xff, 0x42, 0xbd, 0x0e, 0x01, 0x00, + 0x00, 0xff, 0x43, 0xbc, 0x17, 0x01, 0x00, + 0x00, 0xff, 0x50, 0xaf, 0x0f, 0x01, 0x00, + 0x00, 0xff, 0x4d, 0xb2, 0x1d, 0x00, 0x00, + 0x00, 0xff, 0x47, 0xb8, 0x13, 0x01, 0x00, + 0x00, 0xff, 0x05, 0xfa, 0x4b, 0x00, 0x00, + 0x00, 0xff, 0x02, 0xfd, 0x4e, 0x00, 0x00, + 0x00, 0xff, 0x0e, 0xf1, 0x06, 0x00, 0x00, + 0x00, 0xff, 0x1e, 0xe1, 0x52, 0x02, 0x00, + 0x00, 0xff, 0x0a, 0xf5, 0x51, 0x02, 0x00, + 0x00, 0xff, 0x10, 0xef, 0x10, 0x00, 0x00, + 0x00, 0xff, 0x49, 0xb6, 0x19, 0x01, 0x00, + 0x00, 0xff, 0x15, 0xea, 0x27, 0x00, 0x00, + 0x00, 0xff, 0x03, 0xfc, 0x1e, 0x00, 0x00, + 0x00, 0xff, 0x01, 0xfe, 0x1f, 0x00, 0x00, + 0x00, 0xff, 0x06, 0xf9, 0x20, 0x00, 0x00, + 0x00, 0xff, 0x09, 0xf6, 0x21, 0x00, 0x00, + 0x00, 0xff, 0x1d, 0xe2, 0x22, 0x00, 0x00, + 0x00, 0xff, 0x1f, 0xe0, 0x23, 0x00, 0x00, + 0x00, 0xff, 0x0d, 0xf2, 0x24, 0x00, 0x00, + 0x00, 0xff, 0x19, 0xe6, 0x25, 0x00, 0x00, + 0x00, 0xff, 0x1b, 0xe4, 0x26, 0x00, 0x00, + 0x00, 0xff, 0x00, 0xff, 0x2b, 0x00, 0x00, + 0x00, 0xff, 0x4a, 0xb5, 0x4c, 0x00, 0x00, + 0x00, 0xff, 0x4b, 0xb4, 0x52, 0x00, 0x00, + 0x00, 0xff, 0x51, 0xae, 0x51, 0x00, 0x00, + 0x00, 0xff, 0x52, 0xad, 0x4f, 0x00, 0x00, + 0x00, 0xff, 0x4e, 0xb1, 0x50, 0x00, 0x00, + 0x00, 0xff, 0x0c, 0xf3, 0x29, 0x00, 0x00, + 0x00, 0xff, 0x4f, 0xb0, 0x28, 0x00, 0x00, + 0x00, 0xff, 0x13, 0xec, 0x2a, 0x00, 0x00, + 0x00, 0xff, 0x17, 0xe8, 0x19, 0x00, 0x00, + 0x00, 0xff, 0x04, 0xfb, 0x0f, 0x00, 0x00, + 0x00, 0xff, 0x48, 0xb7, 0x0e, 0x00, 0x00, + 0x00, 0xff, 0x0f, 0xf0, 0x04, 0x00, 0x00, + 0x00, 0xff, 0x1c, 0xe3, 0x08, 0x00, 0x00, + 0x00, 0xff, 0x18, 0xe7, 0x15, 0x02, 0x00, + 0x00, 0xff, 0x53, 0xac, 0x0a, 0x02, 0x00, + 0x00, 0xff, 0x5e, 0xa1, 0x1c, 0x02, 0x00, + 0x00, 0xff, 0x5f, 0xa0, 0x05, 0x02, 0x00, +}; + +/* A-Link DTU(m) */ +static struct dvb_usb_rc_key af9015_rc_keys_a_link[] = { + { 0x00, 0x1e, KEY_1 }, + { 0x00, 0x1f, KEY_2 }, + { 0x00, 0x20, KEY_3 }, + { 0x00, 0x21, KEY_4 }, + { 0x00, 0x22, KEY_5 }, + { 0x00, 0x23, KEY_6 }, + { 0x00, 0x24, KEY_7 }, + { 0x00, 0x25, KEY_8 }, + { 0x00, 0x26, KEY_9 }, + { 0x00, 0x27, KEY_0 }, + { 0x00, 0x2e, KEY_CHANNELUP }, + { 0x00, 0x2d, KEY_CHANNELDOWN }, + { 0x04, 0x28, KEY_ZOOM }, + { 0x00, 0x41, KEY_MUTE }, + { 0x00, 0x42, KEY_VOLUMEDOWN }, + { 0x00, 0x43, KEY_VOLUMEUP }, + { 0x00, 0x44, KEY_GOTO }, /* jump */ + { 0x05, 0x45, KEY_POWER }, +}; + +static u8 af9015_ir_table_a_link[] = { + 0x08, 0xf7, 0x12, 0xed, 0x45, 0x05, 0x00, /* power */ + 0x08, 0xf7, 0x1a, 0xe5, 0x41, 0x00, 0x00, /* mute */ + 0x08, 0xf7, 0x01, 0xfe, 0x1e, 0x00, 0x00, /* 1 */ + 0x08, 0xf7, 0x1c, 0xe3, 0x21, 0x00, 0x00, /* 4 */ + 0x08, 0xf7, 0x03, 0xfc, 0x24, 0x00, 0x00, /* 7 */ + 0x08, 0xf7, 0x05, 0xfa, 0x28, 0x04, 0x00, /* zoom */ + 0x08, 0xf7, 0x00, 0xff, 0x43, 0x00, 0x00, /* volume up */ + 0x08, 0xf7, 0x16, 0xe9, 0x42, 0x00, 0x00, /* volume down */ + 0x08, 0xf7, 0x0f, 0xf0, 0x1f, 0x00, 0x00, /* 2 */ + 0x08, 0xf7, 0x0d, 0xf2, 0x22, 0x00, 0x00, /* 5 */ + 0x08, 0xf7, 0x1b, 0xe4, 0x25, 0x00, 0x00, /* 8 */ + 0x08, 0xf7, 0x06, 0xf9, 0x27, 0x00, 0x00, /* 0 */ + 0x08, 0xf7, 0x14, 0xeb, 0x2e, 0x00, 0x00, /* channel up */ + 0x08, 0xf7, 0x1d, 0xe2, 0x2d, 0x00, 0x00, /* channel down */ + 0x08, 0xf7, 0x02, 0xfd, 0x20, 0x00, 0x00, /* 3 */ + 0x08, 0xf7, 0x18, 0xe7, 0x23, 0x00, 0x00, /* 6 */ + 0x08, 0xf7, 0x04, 0xfb, 0x26, 0x00, 0x00, /* 9 */ + 0x08, 0xf7, 0x07, 0xf8, 0x44, 0x00, 0x00, /* jump */ +}; + +/* MSI DIGIVOX mini II V3.0 */ +static struct dvb_usb_rc_key af9015_rc_keys_msi[] = { + { 0x00, 0x1e, KEY_1 }, + { 0x00, 0x1f, KEY_2 }, + { 0x00, 0x20, KEY_3 }, + { 0x00, 0x21, KEY_4 }, + { 0x00, 0x22, KEY_5 }, + { 0x00, 0x23, KEY_6 }, + { 0x00, 0x24, KEY_7 }, + { 0x00, 0x25, KEY_8 }, + { 0x00, 0x26, KEY_9 }, + { 0x00, 0x27, KEY_0 }, + { 0x03, 0x0f, KEY_CHANNELUP }, + { 0x03, 0x0e, KEY_CHANNELDOWN }, + { 0x00, 0x42, KEY_VOLUMEDOWN }, + { 0x00, 0x43, KEY_VOLUMEUP }, + { 0x05, 0x45, KEY_POWER }, + { 0x00, 0x52, KEY_UP }, /* up */ + { 0x00, 0x51, KEY_DOWN }, /* down */ + { 0x00, 0x28, KEY_ENTER }, +}; + +static u8 af9015_ir_table_msi[] = { + 0x03, 0xfc, 0x17, 0xe8, 0x45, 0x05, 0x00, /* power */ + 0x03, 0xfc, 0x0d, 0xf2, 0x51, 0x00, 0x00, /* down */ + 0x03, 0xfc, 0x03, 0xfc, 0x52, 0x00, 0x00, /* up */ + 0x03, 0xfc, 0x1a, 0xe5, 0x1e, 0x00, 0x00, /* 1 */ + 0x03, 0xfc, 0x02, 0xfd, 0x1f, 0x00, 0x00, /* 2 */ + 0x03, 0xfc, 0x04, 0xfb, 0x20, 0x00, 0x00, /* 3 */ + 0x03, 0xfc, 0x1c, 0xe3, 0x21, 0x00, 0x00, /* 4 */ + 0x03, 0xfc, 0x08, 0xf7, 0x22, 0x00, 0x00, /* 5 */ + 0x03, 0xfc, 0x1d, 0xe2, 0x23, 0x00, 0x00, /* 6 */ + 0x03, 0xfc, 0x11, 0xee, 0x24, 0x00, 0x00, /* 7 */ + 0x03, 0xfc, 0x0b, 0xf4, 0x25, 0x00, 0x00, /* 8 */ + 0x03, 0xfc, 0x10, 0xef, 0x26, 0x00, 0x00, /* 9 */ + 0x03, 0xfc, 0x09, 0xf6, 0x27, 0x00, 0x00, /* 0 */ + 0x03, 0xfc, 0x14, 0xeb, 0x43, 0x00, 0x00, /* volume up */ + 0x03, 0xfc, 0x1f, 0xe0, 0x42, 0x00, 0x00, /* volume down */ + 0x03, 0xfc, 0x15, 0xea, 0x0f, 0x03, 0x00, /* channel up */ + 0x03, 0xfc, 0x05, 0xfa, 0x0e, 0x03, 0x00, /* channel down */ + 0x03, 0xfc, 0x16, 0xe9, 0x28, 0x00, 0x00, /* enter */ +}; + +/* MYGICTV U718 */ +static struct dvb_usb_rc_key af9015_rc_keys_mygictv[] = { + { 0x00, 0x3d, KEY_SWITCHVIDEOMODE }, + /* TV / AV */ + { 0x05, 0x45, KEY_POWER }, + { 0x00, 0x1e, KEY_1 }, + { 0x00, 0x1f, KEY_2 }, + { 0x00, 0x20, KEY_3 }, + { 0x00, 0x21, KEY_4 }, + { 0x00, 0x22, KEY_5 }, + { 0x00, 0x23, KEY_6 }, + { 0x00, 0x24, KEY_7 }, + { 0x00, 0x25, KEY_8 }, + { 0x00, 0x26, KEY_9 }, + { 0x00, 0x27, KEY_0 }, + { 0x00, 0x41, KEY_MUTE }, + { 0x00, 0x2a, KEY_ESC }, /* Esc */ + { 0x00, 0x2e, KEY_CHANNELUP }, + { 0x00, 0x2d, KEY_CHANNELDOWN }, + { 0x00, 0x42, KEY_VOLUMEDOWN }, + { 0x00, 0x43, KEY_VOLUMEUP }, + { 0x00, 0x52, KEY_UP }, /* up arrow */ + { 0x00, 0x51, KEY_DOWN }, /* down arrow */ + { 0x00, 0x4f, KEY_RIGHT }, /* right arrow */ + { 0x00, 0x50, KEY_LEFT }, /* left arrow */ + { 0x00, 0x28, KEY_ENTER }, /* ok */ + { 0x01, 0x15, KEY_RECORD }, + { 0x03, 0x13, KEY_PLAY }, + { 0x01, 0x13, KEY_PAUSE }, + { 0x01, 0x16, KEY_STOP }, + { 0x03, 0x07, KEY_REWIND }, /* FR << */ + { 0x03, 0x09, KEY_FASTFORWARD }, /* FF >> */ + { 0x00, 0x3b, KEY_TIME }, /* TimeShift */ + { 0x00, 0x3e, KEY_CAMERA }, /* Snapshot */ + { 0x03, 0x16, KEY_CYCLEWINDOWS }, /* yellow, min / max */ + { 0x00, 0x00, KEY_ZOOM }, /* 'select' (?) */ + { 0x03, 0x16, KEY_SHUFFLE }, /* Shuffle */ + { 0x03, 0x45, KEY_POWER }, +}; + +static u8 af9015_ir_table_mygictv[] = { + 0x02, 0xbd, 0x0c, 0xf3, 0x3d, 0x00, 0x00, /* TV / AV */ + 0x02, 0xbd, 0x14, 0xeb, 0x45, 0x05, 0x00, /* power */ + 0x02, 0xbd, 0x00, 0xff, 0x1e, 0x00, 0x00, /* 1 */ + 0x02, 0xbd, 0x01, 0xfe, 0x1f, 0x00, 0x00, /* 2 */ + 0x02, 0xbd, 0x02, 0xfd, 0x20, 0x00, 0x00, /* 3 */ + 0x02, 0xbd, 0x03, 0xfc, 0x21, 0x00, 0x00, /* 4 */ + 0x02, 0xbd, 0x04, 0xfb, 0x22, 0x00, 0x00, /* 5 */ + 0x02, 0xbd, 0x05, 0xfa, 0x23, 0x00, 0x00, /* 6 */ + 0x02, 0xbd, 0x06, 0xf9, 0x24, 0x00, 0x00, /* 7 */ + 0x02, 0xbd, 0x07, 0xf8, 0x25, 0x00, 0x00, /* 8 */ + 0x02, 0xbd, 0x08, 0xf7, 0x26, 0x00, 0x00, /* 9 */ + 0x02, 0xbd, 0x09, 0xf6, 0x27, 0x00, 0x00, /* 0 */ + 0x02, 0xbd, 0x0a, 0xf5, 0x41, 0x00, 0x00, /* mute */ + 0x02, 0xbd, 0x1c, 0xe3, 0x2a, 0x00, 0x00, /* esc */ + 0x02, 0xbd, 0x1f, 0xe0, 0x43, 0x00, 0x00, /* volume up */ + 0x02, 0xbd, 0x12, 0xed, 0x52, 0x00, 0x00, /* up arrow */ + 0x02, 0xbd, 0x11, 0xee, 0x50, 0x00, 0x00, /* left arrow */ + 0x02, 0xbd, 0x15, 0xea, 0x28, 0x00, 0x00, /* ok */ + 0x02, 0xbd, 0x10, 0xef, 0x4f, 0x00, 0x00, /* right arrow */ + 0x02, 0xbd, 0x13, 0xec, 0x51, 0x00, 0x00, /* down arrow */ + 0x02, 0xbd, 0x0e, 0xf1, 0x42, 0x00, 0x00, /* volume down */ + 0x02, 0xbd, 0x19, 0xe6, 0x15, 0x01, 0x00, /* record */ + 0x02, 0xbd, 0x1e, 0xe1, 0x13, 0x03, 0x00, /* play */ + 0x02, 0xbd, 0x16, 0xe9, 0x16, 0x01, 0x00, /* stop */ + 0x02, 0xbd, 0x0b, 0xf4, 0x28, 0x04, 0x00, /* yellow, min / max */ + 0x02, 0xbd, 0x0f, 0xf0, 0x3b, 0x00, 0x00, /* time shift */ + 0x02, 0xbd, 0x18, 0xe7, 0x2e, 0x00, 0x00, /* channel up */ + 0x02, 0xbd, 0x1a, 0xe5, 0x2d, 0x00, 0x00, /* channel down */ + 0x02, 0xbd, 0x17, 0xe8, 0x3e, 0x00, 0x00, /* snapshot */ + 0x02, 0xbd, 0x40, 0xbf, 0x13, 0x01, 0x00, /* pause */ + 0x02, 0xbd, 0x41, 0xbe, 0x09, 0x03, 0x00, /* FF >> */ + 0x02, 0xbd, 0x42, 0xbd, 0x07, 0x03, 0x00, /* FR << */ + 0x02, 0xbd, 0x43, 0xbc, 0x00, 0x00, 0x00, /* 'select' (?) */ + 0x02, 0xbd, 0x44, 0xbb, 0x16, 0x03, 0x00, /* shuffle */ + 0x02, 0xbd, 0x45, 0xba, 0x45, 0x03, 0x00, /* power */ +}; + +/* KWorld PlusTV Dual DVB-T Stick (DVB-T 399U) */ +static u8 af9015_ir_table_kworld[] = { + 0x86, 0x6b, 0x0c, 0xf3, 0x2e, 0x07, 0x00, + 0x86, 0x6b, 0x16, 0xe9, 0x2d, 0x07, 0x00, + 0x86, 0x6b, 0x1d, 0xe2, 0x37, 0x07, 0x00, + 0x86, 0x6b, 0x00, 0xff, 0x1e, 0x07, 0x00, + 0x86, 0x6b, 0x01, 0xfe, 0x1f, 0x07, 0x00, + 0x86, 0x6b, 0x02, 0xfd, 0x20, 0x07, 0x00, + 0x86, 0x6b, 0x03, 0xfc, 0x21, 0x07, 0x00, + 0x86, 0x6b, 0x04, 0xfb, 0x22, 0x07, 0x00, + 0x86, 0x6b, 0x05, 0xfa, 0x23, 0x07, 0x00, + 0x86, 0x6b, 0x06, 0xf9, 0x24, 0x07, 0x00, + 0x86, 0x6b, 0x07, 0xf8, 0x25, 0x07, 0x00, + 0x86, 0x6b, 0x08, 0xf7, 0x26, 0x07, 0x00, + 0x86, 0x6b, 0x09, 0xf6, 0x4d, 0x07, 0x00, + 0x86, 0x6b, 0x0a, 0xf5, 0x4e, 0x07, 0x00, + 0x86, 0x6b, 0x14, 0xeb, 0x4f, 0x07, 0x00, + 0x86, 0x6b, 0x1e, 0xe1, 0x50, 0x07, 0x00, + 0x86, 0x6b, 0x17, 0xe8, 0x52, 0x07, 0x00, + 0x86, 0x6b, 0x1f, 0xe0, 0x51, 0x07, 0x00, + 0x86, 0x6b, 0x0e, 0xf1, 0x0b, 0x07, 0x00, + 0x86, 0x6b, 0x20, 0xdf, 0x0c, 0x07, 0x00, + 0x86, 0x6b, 0x42, 0xbd, 0x0d, 0x07, 0x00, + 0x86, 0x6b, 0x0b, 0xf4, 0x0e, 0x07, 0x00, + 0x86, 0x6b, 0x43, 0xbc, 0x0f, 0x07, 0x00, + 0x86, 0x6b, 0x10, 0xef, 0x10, 0x07, 0x00, + 0x86, 0x6b, 0x21, 0xde, 0x11, 0x07, 0x00, + 0x86, 0x6b, 0x13, 0xec, 0x12, 0x07, 0x00, + 0x86, 0x6b, 0x11, 0xee, 0x13, 0x07, 0x00, + 0x86, 0x6b, 0x12, 0xed, 0x14, 0x07, 0x00, + 0x86, 0x6b, 0x19, 0xe6, 0x15, 0x07, 0x00, + 0x86, 0x6b, 0x1a, 0xe5, 0x16, 0x07, 0x00, + 0x86, 0x6b, 0x1b, 0xe4, 0x17, 0x07, 0x00, + 0x86, 0x6b, 0x4b, 0xb4, 0x18, 0x07, 0x00, + 0x86, 0x6b, 0x40, 0xbf, 0x19, 0x07, 0x00, + 0x86, 0x6b, 0x44, 0xbb, 0x1a, 0x07, 0x00, + 0x86, 0x6b, 0x41, 0xbe, 0x1b, 0x07, 0x00, + 0x86, 0x6b, 0x22, 0xdd, 0x1c, 0x07, 0x00, + 0x86, 0x6b, 0x15, 0xea, 0x1d, 0x07, 0x00, + 0x86, 0x6b, 0x0f, 0xf0, 0x3f, 0x07, 0x00, + 0x86, 0x6b, 0x1c, 0xe3, 0x40, 0x07, 0x00, + 0x86, 0x6b, 0x4a, 0xb5, 0x41, 0x07, 0x00, + 0x86, 0x6b, 0x48, 0xb7, 0x42, 0x07, 0x00, + 0x86, 0x6b, 0x49, 0xb6, 0x43, 0x07, 0x00, + 0x86, 0x6b, 0x18, 0xe7, 0x44, 0x07, 0x00, + 0x86, 0x6b, 0x23, 0xdc, 0x45, 0x07, 0x00, +}; + +#endif diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 81369b79e75a..2558f2b51c2b 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -34,12 +34,14 @@ #define USB_VID_HAUPPAUGE 0x2040 #define USB_VID_HYPER_PALTEK 0x1025 #define USB_VID_KWORLD 0xeb2a +#define USB_VID_KWORLD_2 0x1b80 #define USB_VID_KYE 0x0458 #define USB_VID_LEADTEK 0x0413 #define USB_VID_LITEON 0x04ca #define USB_VID_MEDION 0x1660 #define USB_VID_MIGLIA 0x18f3 #define USB_VID_MSI 0x0db0 +#define USB_VID_MSI_2 0x1462 #define USB_VID_OPERA1 0x695c #define USB_VID_PINNACLE 0x2304 #define USB_VID_TECHNOTREND 0x0b48 @@ -51,15 +53,18 @@ #define USB_VID_WIDEVIEW 0x14aa #define USB_VID_GIGABYTE 0x1044 #define USB_VID_YUAN 0x1164 - +#define USB_VID_XTENSIONS 0x1ae7 /* Product IDs */ #define USB_PID_ADSTECH_USB2_COLD 0xa333 #define USB_PID_ADSTECH_USB2_WARM 0xa334 #define USB_PID_AFATECH_AF9005 0x9020 +#define USB_PID_AFATECH_AF9015_9015 0x9015 +#define USB_PID_AFATECH_AF9015_9016 0x9016 #define USB_VID_ALINK_DTU 0xf170 #define USB_PID_ANSONIC_DVBT_USB 0x6000 #define USB_PID_ANYSEE 0x861f +#define USB_PID_AZUREWAVE_AD_TU700 0x3237 #define USB_PID_AVERMEDIA_DVBT_USB_COLD 0x0001 #define USB_PID_AVERMEDIA_DVBT_USB_WARM 0x0002 #define USB_PID_AVERMEDIA_DVBT_USB2_COLD 0xa800 @@ -89,9 +94,12 @@ #define USB_PID_UNIWILL_STK7700P 0x6003 #define USB_PID_GRANDTEC_DVBT_USB_COLD 0x0fa0 #define USB_PID_GRANDTEC_DVBT_USB_WARM 0x0fa1 +#define USB_PID_KWORLD_399U 0xe399 +#define USB_PID_KWORLD_PC160_2T 0xc160 #define USB_PID_KWORLD_VSTREAM_COLD 0x17de #define USB_PID_KWORLD_VSTREAM_WARM 0x17df #define USB_PID_TERRATEC_CINERGY_T_USB_XE 0x0055 +#define USB_PID_TERRATEC_CINERGY_T_USB_XE_REV2 0x0069 #define USB_PID_TWINHAN_VP7041_COLD 0x3201 #define USB_PID_TWINHAN_VP7041_WARM 0x3202 #define USB_PID_TWINHAN_VP7020_COLD 0x3203 @@ -100,6 +108,7 @@ #define USB_PID_TWINHAN_VP7045_WARM 0x3206 #define USB_PID_TWINHAN_VP7021_COLD 0x3207 #define USB_PID_TWINHAN_VP7021_WARM 0x3208 +#define USB_PID_TINYTWIN 0x3226 #define USB_PID_DNTV_TINYUSB2_COLD 0x3223 #define USB_PID_DNTV_TINYUSB2_WARM 0x3224 #define USB_PID_ULTIMA_TVBOX_COLD 0x8105 @@ -146,6 +155,8 @@ #define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R 0x0039 #define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_ATSC 0x1039 #define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_DVBT 0x2039 +#define USB_PID_AVERMEDIA_VOLAR_X 0xa815 +#define USB_PID_AVERMEDIA_VOLAR_X_2 0x8150 #define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a #define USB_PID_TERRATEC_CINERGY_HT_USB_XE 0x0058 @@ -155,6 +166,7 @@ #define USB_PID_PINNACLE_PCTV2000E 0x022c #define USB_PID_PINNACLE_PCTV_DVB_T_FLASH 0x0228 #define USB_PID_PINNACLE_PCTV_DUAL_DIVERSITY_DVB_T 0x0229 +#define USB_PID_PINNACLE_PCTV71E 0x022b #define USB_PID_PINNACLE_PCTV72E 0x0236 #define USB_PID_PINNACLE_PCTV73E 0x0237 #define USB_PID_PCTV_200E 0x020e @@ -193,6 +205,7 @@ #define USB_PID_WINFAST_DTV_DONGLE_WARM 0x6026 #define USB_PID_WINFAST_DTV_DONGLE_STK7700P 0x6f00 #define USB_PID_WINFAST_DTV_DONGLE_STK7700P_2 0x6f01 +#define USB_PID_WINFAST_DTV_DONGLE_GOLD 0x6029 #define USB_PID_GENPIX_8PSK_REV_1_COLD 0x0200 #define USB_PID_GENPIX_8PSK_REV_1_WARM 0x0201 #define USB_PID_GENPIX_8PSK_REV_2 0x0202 @@ -200,6 +213,7 @@ #define USB_PID_GENPIX_SKYWALKER_CW3K 0x0204 #define USB_PID_SIGMATEK_DVB_110 0x6610 #define USB_PID_MSI_DIGI_VOX_MINI_II 0x1513 +#define USB_PID_MSI_DIGIVOX_DUO 0x8801 #define USB_PID_OPERA1_COLD 0x2830 #define USB_PID_OPERA1_WARM 0x3829 #define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD 0x0514 @@ -209,5 +223,6 @@ #define USB_PID_ASUS_U3100 0x173f #define USB_PID_YUAN_EC372S 0x1edc #define USB_PID_DW2102 0x2102 +#define USB_PID_XTENSIONS_XD_380 0x0381 #endif -- GitLab From 28f947a95386861c54de2bf7753dda011c8e15c3 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 16 Sep 2008 14:22:43 -0300 Subject: [PATCH 3884/6244] V4L/DVB (8973): af9013: fix compile error coming from u64 div - fix compile error coming from u64 div Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/af9013.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c index 9f2129d544c5..50e1e3f300a0 100644 --- a/drivers/media/dvb/frontends/af9013.c +++ b/drivers/media/dvb/frontends/af9013.c @@ -941,7 +941,6 @@ static int af9013_update_ber_unc(struct dvb_frontend *fe) u32 error_bit_count = 0; u32 total_bit_count = 0; u32 abort_packet_count = 0; - u64 numerator, denominator; state->ber = 0; @@ -979,11 +978,8 @@ static int af9013_update_ber_unc(struct dvb_frontend *fe) total_bit_count = total_bit_count - abort_packet_count; total_bit_count = total_bit_count * 204 * 8; - if (total_bit_count) { - numerator = error_bit_count * 1000000000; - denominator = total_bit_count; - state->ber = numerator / denominator; - } + if (total_bit_count) + state->ber = error_bit_count * 1000000000 / total_bit_count; state->ucblocks += abort_packet_count; -- GitLab From 111f9ecf174655f3da2b266602f20f11e6a6a4c7 Mon Sep 17 00:00:00 2001 From: Mikko Ohtamaa Date: Fri, 19 Sep 2008 18:26:05 -0300 Subject: [PATCH 3885/6244] V4L/DVB (8974): af9015: Add USB ID for Telestar Starstick 2 - Add USB ID for Telestar Starstick 2 (10b9:8000) Signed-off-by: Mikko Ohtamaa Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 8 +++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index a284648094c2..505432b10b8d 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -1196,6 +1196,7 @@ static struct usb_device_id af9015_usb_table[] = { /* 10 */{USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380)}, {USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO)}, {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)}, + {USB_DEVICE(USB_VID_TELESTAR, USB_PID_TELESTAR)}, {0}, }; MODULE_DEVICE_TABLE(usb, af9015_usb_table); @@ -1346,7 +1347,7 @@ static struct dvb_usb_device_properties af9015_properties[] = { .i2c_algo = &af9015_i2c_algo, - .num_device_descs = 3, + .num_device_descs = 4, .devices = { { .name = "Xtensions XD-380", @@ -1363,6 +1364,11 @@ static struct dvb_usb_device_properties af9015_properties[] = { .cold_ids = {&af9015_usb_table[12], NULL}, .warm_ids = {NULL}, }, + { + .name = "Telestar USB DVB-T", + .cold_ids = {&af9015_usb_table[13], NULL}, + .warm_ids = {NULL}, + }, } } }; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 2558f2b51c2b..60c241e0236f 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -46,6 +46,7 @@ #define USB_VID_PINNACLE 0x2304 #define USB_VID_TECHNOTREND 0x0b48 #define USB_VID_TERRATEC 0x0ccd +#define USB_VID_TELESTAR 0x10b9 #define USB_VID_VISIONPLUS 0x13d3 #define USB_VID_TWINHAN 0x1822 #define USB_VID_ULTIMA_ELECTRONIC 0x05d8 @@ -224,5 +225,6 @@ #define USB_PID_YUAN_EC372S 0x1edc #define USB_PID_DW2102 0x2102 #define USB_PID_XTENSIONS_XD_380 0x0381 +#define USB_PID_TELESTAR 0x8000 #endif -- GitLab From a3765888a7edc4efe54293d8f7c6676cae61057e Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Fri, 19 Sep 2008 18:34:06 -0300 Subject: [PATCH 3886/6244] V4L/DVB (8975): af9015: cleanup - cleanup Telestar Starstick 2 patch Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 4 ++-- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 505432b10b8d..f962d89db134 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -1196,7 +1196,7 @@ static struct usb_device_id af9015_usb_table[] = { /* 10 */{USB_DEVICE(USB_VID_XTENSIONS, USB_PID_XTENSIONS_XD_380)}, {USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO)}, {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)}, - {USB_DEVICE(USB_VID_TELESTAR, USB_PID_TELESTAR)}, + {USB_DEVICE(USB_VID_TELESTAR, USB_PID_TELESTAR_STARSTICK_2)}, {0}, }; MODULE_DEVICE_TABLE(usb, af9015_usb_table); @@ -1365,7 +1365,7 @@ static struct dvb_usb_device_properties af9015_properties[] = { .warm_ids = {NULL}, }, { - .name = "Telestar USB DVB-T", + .name = "Telestar Starstick 2", .cold_ids = {&af9015_usb_table[13], NULL}, .warm_ids = {NULL}, }, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 60c241e0236f..66dc000d4e49 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -225,6 +225,6 @@ #define USB_PID_YUAN_EC372S 0x1edc #define USB_PID_DW2102 0x2102 #define USB_PID_XTENSIONS_XD_380 0x0381 -#define USB_PID_TELESTAR 0x8000 +#define USB_PID_TELESTAR_STARSTICK_2 0x8000 #endif -- GitLab From 05c1cab55c282199b85138dc1900b5d9bd6fb32a Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 22 Sep 2008 12:32:37 -0300 Subject: [PATCH 3887/6244] V4L/DVB (8976): af9015: Add USB ID for AVerMedia A309 - AVerMedia A309 Mini Card (07ca:a309) Thanks-to: Dirk Vornheder Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 8 +++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index f962d89db134..3f6217bd0638 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -1197,6 +1197,7 @@ static struct usb_device_id af9015_usb_table[] = { {USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGIVOX_DUO)}, {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)}, {USB_DEVICE(USB_VID_TELESTAR, USB_PID_TELESTAR_STARSTICK_2)}, + {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A309)}, {0}, }; MODULE_DEVICE_TABLE(usb, af9015_usb_table); @@ -1347,7 +1348,7 @@ static struct dvb_usb_device_properties af9015_properties[] = { .i2c_algo = &af9015_i2c_algo, - .num_device_descs = 4, + .num_device_descs = 5, .devices = { { .name = "Xtensions XD-380", @@ -1369,6 +1370,11 @@ static struct dvb_usb_device_properties af9015_properties[] = { .cold_ids = {&af9015_usb_table[13], NULL}, .warm_ids = {NULL}, }, + { + .name = "AVerMedia A309", + .cold_ids = {&af9015_usb_table[14], NULL}, + .warm_ids = {NULL}, + }, } } }; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 66dc000d4e49..7ae262e08f8f 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -158,6 +158,7 @@ #define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_DVBT 0x2039 #define USB_PID_AVERMEDIA_VOLAR_X 0xa815 #define USB_PID_AVERMEDIA_VOLAR_X_2 0x8150 +#define USB_PID_AVERMEDIA_A309 0xa309 #define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a #define USB_PID_TERRATEC_CINERGY_HT_USB_XE 0x0058 -- GitLab From 6b73eeafbc856c0cef7166242f0e55403407f355 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 4 Sep 2008 01:12:25 -0300 Subject: [PATCH 3888/6244] V4L/DVB (8985): S2API: Added dvb frontend changes to support a newer tuning API This is an experimental patch to add a new tuning mechanism for dvb frontends. Rather than passing fixed structures across the user/kernel boundary, which need to be revised for each new modulation type (or feature the kernel developers want to add), this implements a simpler message based approach, allowing fe commands to be broken down into a series of small fixed size transactions, presented in an array. The goal is to avoid changing the user/kernel ABI in the future, by simply creating new frontend commands (and sequencies of commands) that help us add support for brand new demodulator, delivery system or statistics related commmands. known issues: checkpatch voilations feedback from various developers yet to be implemented, relating to namespace conventions, variable length array passing conventions, and generally some optimization. This patch should support all existing tuning mechanisms through the new API, as well as adding 8PSK, DVB-S2 NBC-QPSK and ISDB-T API support. For testing and exercise purposes, see the latest tune.c tool available from http://www.steventoth.net/linux/s2 Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 571 +++++++++++++++++++++- drivers/media/dvb/dvb-core/dvb_frontend.h | 44 ++ include/linux/dvb/frontend.h | 130 ++++- 3 files changed, 737 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 3526e3ee9487..e68974b2fee9 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -755,6 +755,535 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe, return 0; } +struct tv_cmds_h tv_cmds[] = { + [TV_SEQ_UNDEFINED] = { + .name = "TV_SEQ_UNDEFINED", + .cmd = TV_SEQ_UNDEFINED, + .set = 1, + }, + [TV_SEQ_START] = { + .name = "TV_SEQ_START", + .cmd = TV_SEQ_START, + .set = 1, + }, + [TV_SEQ_CONTINUE] = { + .name = "TV_SEQ_CONTINUE", + .cmd = TV_SEQ_CONTINUE, + .set = 1, + }, + [TV_SEQ_COMPLETE] = { + .name = "TV_SEQ_COMPLETE", + .cmd = TV_SEQ_COMPLETE, + .set = 1, + }, + [TV_SEQ_TERMINATE] = { + .name = "TV_SEQ_TERMINATE", + .cmd = TV_SEQ_TERMINATE, + .set = 1, + }, + + /* Set */ + [TV_SET_FREQUENCY] = { + .name = "TV_SET_FREQUENCY", + .cmd = TV_SET_FREQUENCY, + .set = 1, + }, + [TV_SET_BANDWIDTH] = { + .name = "TV_SET_BANDWIDTH", + .cmd = TV_SET_BANDWIDTH, + .set = 1, + }, + [TV_SET_MODULATION] = { + .name = "TV_SET_MODULATION", + .cmd = TV_SET_MODULATION, + .set = 1, + }, + [TV_SET_INVERSION] = { + .name = "TV_SET_INVERSION", + .cmd = TV_SET_INVERSION, + .set = 1, + }, + [TV_SET_DISEQC_MASTER] = { + .name = "TV_SET_DISEQC_MASTER", + .cmd = TV_SET_DISEQC_MASTER, + .set = 1, + .buffer = 1, + }, + [TV_SET_SYMBOLRATE] = { + .name = "TV_SET_SYMBOLRATE", + .cmd = TV_SET_SYMBOLRATE, + .set = 1, + }, + [TV_SET_INNERFEC] = { + .name = "TV_SET_INNERFEC", + .cmd = TV_SET_INNERFEC, + .set = 1, + }, + [TV_SET_VOLTAGE] = { + .name = "TV_SET_VOLTAGE", + .cmd = TV_SET_VOLTAGE, + .set = 1, + }, + [TV_SET_TONE] = { + .name = "TV_SET_TONE", + .cmd = TV_SET_TONE, + .set = 1, + }, + [TV_SET_PILOT] = { + .name = "TV_SET_PILOT", + .cmd = TV_SET_PILOT, + .set = 1, + }, + [TV_SET_ROLLOFF] = { + .name = "TV_SET_ROLLOFF", + .cmd = TV_SET_ROLLOFF, + .set = 1, + }, + [TV_SET_DELIVERY_SYSTEM] = { + .name = "TV_SET_DELIVERY_SYSTEM", + .cmd = TV_SET_DELIVERY_SYSTEM, + .set = 1, + }, + [TV_SET_ISDB_SEGMENT_NUM] = { + .name = "TV_SET_ISDB_SEGMENT_NUM", + .cmd = TV_SET_ISDB_SEGMENT_NUM, + .set = 1, + }, + [TV_SET_ISDB_SEGMENT_WIDTH] = { + .name = "TV_SET_ISDB_SEGMENT_WIDTH", + .cmd = TV_SET_ISDB_SEGMENT_WIDTH, + .set = 1, + }, + + /* Get */ + [TV_GET_FREQUENCY] = { + .name = "TV_GET_FREQUENCY", + .cmd = TV_GET_FREQUENCY, + .set = 0, + }, + [TV_GET_BANDWIDTH] = { + .name = "TV_GET_BANDWIDTH", + .cmd = TV_GET_BANDWIDTH, + .set = 0, + }, + [TV_GET_MODULATION] = { + .name = "TV_GET_MODULATION", + .cmd = TV_GET_MODULATION, + .set = 0, + }, + [TV_GET_INVERSION] = { + .name = "TV_GET_INVERSION", + .cmd = TV_GET_INVERSION, + .set = 0, + }, + [TV_GET_DISEQC_SLAVE_REPLY] = { + .name = "TV_GET_DISEQC_SLAVE_REPLY", + .cmd = TV_GET_DISEQC_SLAVE_REPLY, + .set = 0, + .buffer = 1, + }, + [TV_GET_SYMBOLRATE] = { + .name = "TV_GET_SYMBOLRATE", + .cmd = TV_GET_SYMBOLRATE, + .set = 0, + }, + [TV_GET_INNERFEC] = { + .name = "TV_GET_INNERFEC", + .cmd = TV_GET_INNERFEC, + .set = 0, + }, + [TV_GET_VOLTAGE] = { + .name = "TV_GET_VOLTAGE", + .cmd = TV_GET_VOLTAGE, + .set = 0, + }, + [TV_GET_TONE] = { + .name = "TV_GET_TONE", + .cmd = TV_GET_TONE, + .set = 0, + }, + [TV_GET_PILOT] = { + .name = "TV_GET_PILOT", + .cmd = TV_GET_PILOT, + .set = 0, + }, + [TV_GET_ROLLOFF] = { + .name = "TV_GET_ROLLOFF", + .cmd = TV_GET_ROLLOFF, + .set = 0, + }, + [TV_GET_DELIVERY_SYSTEM] = { + .name = "TV_GET_DELIVERY_SYSTEM", + .cmd = TV_GET_DELIVERY_SYSTEM, + .set = 0, + }, + [TV_GET_ISDB_SEGMENT_NUM] = { + .name = "TV_GET_ISDB_SEGMENT_NUM", + .cmd = TV_GET_ISDB_SEGMENT_NUM, + .set = 0, + }, + [TV_GET_ISDB_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_FEC] = { + .name = "TV_GET_ISDB_LAYERA_FEC", + .cmd = TV_GET_ISDB_LAYERA_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_MODULATION] = { + .name = "TV_GET_ISDB_LAYERA_MODULATION", + .cmd = TV_GET_ISDB_LAYERA_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERA_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_FEC] = { + .name = "TV_GET_ISDB_LAYERB_FEC", + .cmd = TV_GET_ISDB_LAYERB_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_MODULATION] = { + .name = "TV_GET_ISDB_LAYERB_MODULATION", + .cmd = TV_GET_ISDB_LAYERB_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERB_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_FEC] = { + .name = "TV_GET_ISDB_LAYERC_FEC", + .cmd = TV_GET_ISDB_LAYERC_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_MODULATION] = { + .name = "TV_GET_ISDB_LAYERC_MODULATION", + .cmd = TV_GET_ISDB_LAYERC_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERC_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + .set = 0, + }, +}; + +void tv_property_dump(tv_property_t *tvp) +{ + int i; + + printk("%s() tvp.cmd = 0x%08x (%s)\n" + ,__FUNCTION__ + ,tvp->cmd + ,tv_cmds[ tvp->cmd ].name); + + if(tv_cmds[ tvp->cmd ].buffer) { + + printk("%s() tvp.u.buffer.len = 0x%02x\n" + ,__FUNCTION__ + ,tvp->u.buffer.len); + + for(i = 0; i < tvp->u.buffer.len; i++) + printk("%s() tvp.u.buffer.data[0x%02x] = 0x%02x\n" + ,__FUNCTION__ + ,i + ,tvp->u.buffer.data[i]); + + } else + printk("%s() tvp.u.data = 0x%08x\n", __FUNCTION__, tvp->u.data); +} + +int is_legacy_delivery_system(fe_delivery_system_t s) +{ + if((s == SYS_UNDEFINED) || (s == SYS_DVBC_ANNEX_AC) || + (s == SYS_DVBC_ANNEX_B) || (s == SYS_DVBT) || (s == SYS_DVBS)) + return 1; + + return 0; +} + +int tv_property_cache_submit(struct dvb_frontend *fe) +{ + + /* We have to do one of two things: + * To support legacy devices using the new API we take values from + * the tv_cache and generate a legacy truning structure. + * + * Or, + * + * To support advanced tuning devices with the new API we + * notify the new advance driver type that a tuning operation is required + * and let it pull values from the cache as is, we don't need to + * pass structures. + * + * We'll use the modulation type to assess how this is handled. as the API + * progresses we'll probably want to have a flag in dvb_frontend_ops + * to allow the frontend driver to dictate how it likes to be tuned. + * + * Because of how this is attached to the ioctl handler for legacy support, + * it's important to return an appropriate result code with atleast the following + * three meanings: + * < 0 = processing error + * 0 = lecagy ioctl handler to submit a traditional set_frontend() call. + * 1 = lecagy ioctl handler should NOT submit a traditional set_frontend() call. + */ + + int r; + + struct tv_frontend_properties *c = &fe->tv_property_cache; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + struct dvb_frontend_parameters p; + + printk("%s()\n", __FUNCTION__); + + /* For legacy delivery systems we don't need the delivery_system to be specified */ + if(is_legacy_delivery_system(c->delivery_system)) { + switch(c->modulation) { + case QPSK: + printk("%s() Preparing QPSK req\n", __FUNCTION__); + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qpsk.symbol_rate = c->symbol_rate; + p.u.qpsk.fec_inner = c->fec_inner; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* Call the traditional tuning mechanisms. */ + + r = 0; + break; + case QAM_16: + case QAM_32: + case QAM_64: + case QAM_128: + case QAM_256: + case QAM_AUTO: + printk("%s() Preparing QAM req\n", __FUNCTION__); + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qam.symbol_rate = c->symbol_rate; + p.u.vsb.modulation = c->modulation; + printk("%s() frequency = %d\n", __FUNCTION__, p.frequency); + printk("%s() QAM = %d\n", __FUNCTION__, p.u.vsb.modulation); + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* At this point we're fully formed for backwards + * compatability and we need to return this + * via the ioctl handler as SET_FRONTEND (arg). + * We've already patched the new values into the + * frontends tuning structures so the ioctl code just + * continues as if a legacy tune structure was passed + * from userspace. + */ + + r = 0; + break; + case VSB_8: + case VSB_16: + printk("%s() Preparing VSB req\n", __FUNCTION__); + p.frequency = c->frequency; + p.u.vsb.modulation = c->modulation; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* Call the traditional tuning mechanisms. */ + + r = 0; + break; + /* TODO: Add any missing modulation types */ + default: + r = -1; + } + } else { + /* For advanced delivery systems / modulation types ... + * we seed the lecacy dvb_frontend_parameters structure + * so that the sanity checking code later in the IOCTL processing + * can validate our basic frequency ranges, symbolrates, modulation + * etc. + */ + r = -1; + + switch(c->modulation) { + case _8PSK: + case _16APSK: + case NBC_QPSK: + /* Just post a notification to the demod driver and let it pull + * the specific values it wants from its tv_property_cache. + * It can decide how best to use those parameters. + * IOCTL will call set_frontend (by default) due to zigzag + * support etc. + */ + if (fe->ops.set_params) + r = fe->ops.set_params(fe); + + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qpsk.symbol_rate = c->symbol_rate; + p.u.qpsk.fec_inner = c->fec_inner; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + r = 0; + break; + default: + r = -1; + } + + if(c->delivery_system == SYS_ISDBT) { + /* Fake out a generic DVB-T request so we pass validation in the ioctl */ + p.frequency = c->frequency; + p.inversion = INVERSION_AUTO; + p.u.ofdm.constellation = QAM_AUTO; + p.u.ofdm.code_rate_HP = FEC_AUTO; + p.u.ofdm.code_rate_LP = FEC_AUTO; + p.u.ofdm.bandwidth = BANDWIDTH_AUTO; + p.u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO; + p.u.ofdm.guard_interval = GUARD_INTERVAL_AUTO; + p.u.ofdm.hierarchy_information = HIERARCHY_AUTO; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + r = 0; + } + } + return r; +} + +int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp) +{ + int r = 0; + printk("%s()\n", __FUNCTION__); + tv_property_dump(tvp); + + switch(tvp->cmd) { + case TV_SEQ_START: + case TV_SEQ_TERMINATE: + /* Reset a cache of data specific to the frontend here. This does + * not effect hardware. + */ + printk("%s() Flushing property cache\n", __FUNCTION__); + memset(&fe->tv_property_cache, 0, sizeof(struct tv_frontend_properties)); + fe->tv_property_cache.state = TV_SEQ_START; + fe->tv_property_cache.delivery_system = SYS_UNDEFINED; + break; + case TV_SEQ_COMPLETE: + /* interpret the cache of data, build either a traditional frontend + * tunerequest and submit it to a subset of the ioctl handler, + * or, call a new undefined method on the frontend to deal with + * all new tune requests. + */ + fe->tv_property_cache.state = TV_SEQ_COMPLETE; + printk("%s() Finalised property cache\n", __FUNCTION__); + r = tv_property_cache_submit(fe); + break; + case TV_SET_FREQUENCY: + fe->tv_property_cache.frequency = tvp->u.data; + break; + case TV_GET_FREQUENCY: + tvp->u.data = fe->tv_property_cache.frequency; + break; + case TV_SET_MODULATION: + fe->tv_property_cache.modulation = tvp->u.data; + break; + case TV_GET_MODULATION: + tvp->u.data = fe->tv_property_cache.modulation; + break; + case TV_SET_BANDWIDTH: + fe->tv_property_cache.bandwidth = tvp->u.data; + break; + case TV_GET_BANDWIDTH: + tvp->u.data = fe->tv_property_cache.bandwidth; + break; + case TV_SET_INVERSION: + fe->tv_property_cache.inversion = tvp->u.data; + break; + case TV_GET_INVERSION: + tvp->u.data = fe->tv_property_cache.inversion; + break; + case TV_SET_SYMBOLRATE: + fe->tv_property_cache.symbol_rate = tvp->u.data; + break; + case TV_GET_SYMBOLRATE: + tvp->u.data = fe->tv_property_cache.symbol_rate; + break; + case TV_SET_INNERFEC: + fe->tv_property_cache.fec_inner = tvp->u.data; + break; + case TV_GET_INNERFEC: + tvp->u.data = fe->tv_property_cache.fec_inner; + break; + case TV_SET_PILOT: + fe->tv_property_cache.pilot = tvp->u.data; + break; + case TV_GET_PILOT: + tvp->u.data = fe->tv_property_cache.pilot; + break; + case TV_SET_ROLLOFF: + fe->tv_property_cache.rolloff = tvp->u.data; + break; + case TV_GET_ROLLOFF: + tvp->u.data = fe->tv_property_cache.rolloff; + break; + case TV_SET_DELIVERY_SYSTEM: + fe->tv_property_cache.delivery_system = tvp->u.data; + break; + case TV_GET_DELIVERY_SYSTEM: + tvp->u.data = fe->tv_property_cache.delivery_system; + break; + + /* ISDB-T Support here */ + case TV_SET_ISDB_SEGMENT_NUM: + fe->tv_property_cache.isdb_segment_num = tvp->u.data; + break; + case TV_GET_ISDB_SEGMENT_NUM: + tvp->u.data = fe->tv_property_cache.isdb_segment_num; + break; + case TV_SET_ISDB_SEGMENT_WIDTH: + fe->tv_property_cache.isdb_segment_width = tvp->u.data; + break; + case TV_GET_ISDB_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_segment_width; + break; + case TV_GET_ISDB_LAYERA_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layera_fec; + break; + case TV_GET_ISDB_LAYERA_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layera_modulation; + break; + case TV_GET_ISDB_LAYERA_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layera_segment_width; + break; + case TV_GET_ISDB_LAYERB_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layerb_fec; + break; + case TV_GET_ISDB_LAYERB_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layerb_modulation; + break; + case TV_GET_ISDB_LAYERB_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layerb_segment_width; + break; + case TV_GET_ISDB_LAYERC_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layerc_fec; + break; + case TV_GET_ISDB_LAYERC_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layerc_modulation; + break; + case TV_GET_ISDB_LAYERC_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layerc_segment_width; + break; + + } + + return 0; +} + static int dvb_frontend_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *parg) { @@ -762,6 +1291,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; int err = -EOPNOTSUPP; + tv_property_t* tvp; dprintk ("%s\n", __func__); @@ -776,6 +1306,27 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, if (down_interruptible (&fepriv->sem)) return -ERESTARTSYS; + if(cmd == FE_SET_PROPERTY) { + printk("%s() FE_SET_PROPERTY\n", __FUNCTION__); + + /* TODO: basic property validation here */ + + /* TODO: ioctl userdata out of range check here */ + tvp = parg; + while(tvp->cmd != TV_SEQ_UNDEFINED) { + tv_property_process(fe, tvp); + if( (tvp->cmd == TV_SEQ_TERMINATE) || (tvp->cmd == TV_SEQ_COMPLETE) ) + break; + tvp++; + } + + if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + printk("%s() Property cache is full, tuning\n", __FUNCTION__); + cmd = FE_SET_FRONTEND; + } + err = 0; + } + switch (cmd) { case FE_GET_INFO: { struct dvb_frontend_info* info = parg; @@ -942,13 +1493,20 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - if (dvb_frontend_check_parameters(fe, parg) < 0) { - err = -EINVAL; - break; - } + if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { + err = -EINVAL; + break; + } + } else { + if (dvb_frontend_check_parameters(fe, parg) < 0) { + err = -EINVAL; + break; + } - memcpy (&fepriv->parameters, parg, - sizeof (struct dvb_frontend_parameters)); + memcpy (&fepriv->parameters, parg, + sizeof (struct dvb_frontend_parameters)); + } memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings)); memcpy(&fetunesettings.parameters, parg, @@ -1031,6 +1589,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, return err; } + static unsigned int dvb_frontend_poll(struct file *file, struct poll_table_struct *wait) { struct dvb_device *dvbdev = file->private_data; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index aa4133f0bd19..61d53ee70f2a 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -169,6 +169,10 @@ struct dvb_frontend_ops { struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; + + int (*set_property)(struct dvb_frontend* fe, tv_property_t* tvp); + int (*get_property)(struct dvb_frontend* fe, tv_property_t* tvp); + int (*set_params)(struct dvb_frontend* fe); }; #define MAX_EVENT 8 @@ -182,6 +186,45 @@ struct dvb_fe_events { struct mutex mtx; }; +struct tv_frontend_properties { + + /* Cache State */ + u32 state; + + u32 frequency; + fe_modulation_t modulation; + + fe_sec_voltage_t voltage; + fe_sec_tone_mode_t sectone; + fe_spectral_inversion_t inversion; + fe_code_rate_t fec_inner; + fe_transmit_mode_t transmission_mode; + fe_bandwidth_t bandwidth; + fe_guard_interval_t guard_interval; + fe_hierarchy_t hierarchy; + u32 symbol_rate; + fe_code_rate_t code_rate_HP; + fe_code_rate_t code_rate_LP; + + fe_pilot_t pilot; + fe_rolloff_t rolloff; + + fe_delivery_system_t delivery_system; + + /* ISDB-T specifics */ + u32 isdb_segment_num; + u32 isdb_segment_width; + fe_code_rate_t isdb_layera_fec; + fe_modulation_t isdb_layera_modulation; + u32 isdb_layera_segment_width; + fe_code_rate_t isdb_layerb_fec; + fe_modulation_t isdb_layerb_modulation; + u32 isdb_layerb_segment_width; + fe_code_rate_t isdb_layerc_fec; + fe_modulation_t isdb_layerc_modulation; + u32 isdb_layerc_segment_width; +}; + struct dvb_frontend { struct dvb_frontend_ops ops; struct dvb_adapter *dvb; @@ -190,6 +233,7 @@ struct dvb_frontend { void *frontend_priv; void *sec_priv; void *analog_demod_priv; + struct tv_frontend_properties tv_property_cache; }; extern int dvb_register_frontend(struct dvb_adapter *dvb, diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index c8cbd90ba375..4d3770021736 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -62,6 +62,7 @@ typedef enum fe_caps { FE_CAN_HIERARCHY_AUTO = 0x100000, FE_CAN_8VSB = 0x200000, FE_CAN_16VSB = 0x400000, + FE_HAS_EXTENDED_CAPS = 0x800000, // We need more bitspace for newer APIs, indicate this. FE_NEEDS_BENDING = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending) FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output @@ -147,7 +148,9 @@ typedef enum fe_code_rate { FEC_6_7, FEC_7_8, FEC_8_9, - FEC_AUTO + FEC_AUTO, + FEC_3_5, + FEC_9_10, } fe_code_rate_t; @@ -160,7 +163,11 @@ typedef enum fe_modulation { QAM_256, QAM_AUTO, VSB_8, - VSB_16 + VSB_16, + _8PSK, + _16APSK, + NBC_QPSK, + DQPSK, } fe_modulation_t; typedef enum fe_transmit_mode { @@ -239,6 +246,125 @@ struct dvb_frontend_event { struct dvb_frontend_parameters parameters; }; +/* TODO: Turn this into a series of defines, so future maintainers + * don't insert random new commands and break backwards + * binary compatability. + */ +typedef enum tv_cmd_types { + TV_SEQ_UNDEFINED, + TV_SEQ_START, + TV_SEQ_CONTINUE, + TV_SEQ_COMPLETE, + TV_SEQ_TERMINATE, + + TV_SET_FREQUENCY, + TV_SET_MODULATION, + TV_SET_BANDWIDTH, + TV_SET_INVERSION, + TV_SET_DISEQC_MASTER, + TV_SET_SYMBOLRATE, + TV_SET_INNERFEC, + TV_SET_VOLTAGE, + TV_SET_TONE, + TV_SET_PILOT, + TV_SET_ROLLOFF, + + TV_GET_FREQUENCY, + TV_GET_MODULATION, + TV_GET_BANDWIDTH, + TV_GET_INVERSION, + TV_GET_DISEQC_SLAVE_REPLY, + TV_GET_SYMBOLRATE, + TV_GET_INNERFEC, + TV_GET_VOLTAGE, + TV_GET_TONE, + TV_GET_PILOT, + TV_GET_ROLLOFF, + + /* Basic enumeration set for querying unlimited capabilities */ + TV_GET_FE_CAPABILITY_COUNT, + TV_GET_FE_CAPABILITY, + + /* New commands are always appended */ + TV_SET_DELIVERY_SYSTEM, + TV_GET_DELIVERY_SYSTEM, + + /* ISDB-T */ + TV_SET_ISDB_SEGMENT_NUM, + TV_GET_ISDB_SEGMENT_NUM, + TV_SET_ISDB_SEGMENT_WIDTH, + TV_GET_ISDB_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERA_FEC, + TV_GET_ISDB_LAYERA_MODULATION, + TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERB_FEC, + TV_GET_ISDB_LAYERB_MODULATION, + TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERC_FEC, + TV_GET_ISDB_LAYERC_MODULATION, + TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + +} tv_cmd_types_t; + +typedef enum fe_pilot { + PILOT_ON, + PILOT_OFF, + PILOT_AUTO, +} fe_pilot_t; + +typedef enum fe_rolloff { + ROLLOFF_20, + ROLLOFF_25, + ROLLOFF_35, + ROLLOFF_AUTO, +} fe_rolloff_t; + +typedef enum fe_delivery_system { + SYS_UNDEFINED, + SYS_DVBC_ANNEX_AC, + SYS_DVBC_ANNEX_B, + SYS_DVBT, + SYS_DVBS, + SYS_DVBS2, + SYS_DVBH, + SYS_ISDBT, + SYS_ISDBS, + SYS_ISDBC, + SYS_ATSC, + SYS_ATSCMH, + SYS_DMBTH, + SYS_CMMB, + SYS_DAB, +} fe_delivery_system_t; + +struct tv_cmds_h { + char *name; /* A display name for debugging purposes */ + + __u32 cmd; /* A unique ID */ + + /* Flags */ + __u32 set:1; /* Either a set or get property */ + __u32 buffer:1; /* Does this property use the buffer? */ + __u32 reserved:30; /* Align */ +}; + +typedef struct { + __u32 cmd; + union { + __u32 data; + struct { + __u8 data[32]; + __u32 len; + } buffer; + } u; +} tv_property_t; + +/* No more than 16 properties during any given ioctl */ +typedef tv_property_t tv_properties_t[16]; + +#define FE_SET_PROPERTY _IOW('o', 82, tv_properties_t) +#define FE_GET_PROPERTY _IOR('o', 83, tv_properties_t) + /** * When set, this flag will disable any zigzagging or other "normal" tuning -- GitLab From 0d46748c3f874defbbbf98bcf40c7b18964abbc0 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 4 Sep 2008 01:14:43 -0300 Subject: [PATCH 3889/6244] V4L/DVB (8986): cx24116: Adding DVB-S2 demodulator support Adds support for the COnexant cx24116 DVB-S2 demodulator. TODO: checkpatch cleanup. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/Kconfig | 7 + drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/cx24116.c | 950 ++++++++++++++++++++++++++ drivers/media/dvb/frontends/cx24116.h | 50 ++ 4 files changed, 1008 insertions(+) create mode 100644 drivers/media/dvb/frontends/cx24116.c create mode 100644 drivers/media/dvb/frontends/cx24116.h diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 097d9f00144f..d2f31da26cbc 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -92,6 +92,13 @@ config DVB_TUA6100 help A DVB-S PLL chip. +config DVB_CX24116 + tristate "Conexant CX24116 based" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-S/S2 tuner module. Say Y when you want to support this frontend. + comment "DVB-T (terrestrial) frontends" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 1b5478886240..5deb8a542abd 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -51,3 +51,4 @@ obj-$(CONFIG_DVB_S5H1411) += s5h1411.o obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o obj-$(CONFIG_DVB_AF9013) += af9013.o +obj-$(CONFIG_DVB_CX24116) += cx24116.o diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c new file mode 100644 index 000000000000..1402086a5c44 --- /dev/null +++ b/drivers/media/dvb/frontends/cx24116.c @@ -0,0 +1,950 @@ +/* + Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver + + Copyright (C) 2006-2008 Steven Toth + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* + * Updates by Darron Broad 2007. + * + * March + * Fixed some bugs. + * Added diseqc support. + * Added corrected signal strength support. + * + * August + * Sync with legacy version. + * Some clean ups. + */ + +#include +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "cx24116.h" + +/* + * Fetch firmware in the following manner. + * + * #!/bin/sh + * wget ftp://167.206.143.11/outgoing/Oxford/88x_2_117_24275_1_INF.zip + * unzip 88x_2_117_24275_1_INF.zip + * dd if=Driver88/hcw88bda.sys of=dvb-fe-cx24116.fw skip=81768 bs=1 count=32522 + */ +#define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw" +#define CX24116_SEARCH_RANGE_KHZ 5000 + +/* registers (TO BE COMPLETED) */ +#define CX24116_REG_SIGNAL (0xd5) + +/* arg buffer size */ +#define CX24116_ARGLEN (0x1e) + +/* arg offset for DiSEqC */ +#define CX24116_DISEQC_BURST (1) +#define CX24116_DISEQC_ARG2_2 (2) /* unknown value=2 */ +#define CX24116_DISEQC_ARG3_0 (3) /* unknown value=0 */ +#define CX24116_DISEQC_ARG4_0 (4) /* unknown value=0 */ +#define CX24116_DISEQC_MSGLEN (5) +#define CX24116_DISEQC_MSGOFS (6) + +/* DiSEqC burst */ +#define CX24116_DISEQC_MINI_A (0) +#define CX24116_DISEQC_MINI_B (1) + +static int debug = 0; +#define dprintk(args...) \ + do { \ + if (debug) printk ("cx24116: " args); \ + } while (0) + +enum cmds +{ + CMD_INIT_CMD10 = 0x10, + CMD_TUNEREQUEST = 0x11, + CMD_INIT_CMD13 = 0x13, + CMD_INIT_CMD14 = 0x14, + CMD_SEND_DISEQC = 0x21, + CMD_SET_TONEPRE = 0x22, + CMD_SET_TONE = 0x23, +}; + +/* The Demod/Tuner can't easily provide these, we cache them */ +struct cx24116_tuning +{ + u32 frequency; + u32 symbol_rate; + fe_spectral_inversion_t inversion; + fe_code_rate_t fec; + + fe_modulation_t modulation; + + /* Demod values */ + u8 fec_val; + u8 fec_mask; + u8 inversion_val; +}; + +/* Basic commands that are sent to the firmware */ +struct cx24116_cmd +{ + u8 len; + u8 args[CX24116_ARGLEN]; +}; + +struct cx24116_state +{ + struct i2c_adapter* i2c; + const struct cx24116_config* config; + + struct dvb_frontend frontend; + + struct cx24116_tuning dcur; + struct cx24116_tuning dnxt; + + u8 skip_fw_load; + u8 burst; +}; + +static int cx24116_writereg(struct cx24116_state* state, int reg, int data) +{ + u8 buf[] = { reg, data }; + struct i2c_msg msg = { .addr = state->config->demod_address, + .flags = 0, .buf = buf, .len = 2 }; + int err; + + if (debug>1) + printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n", + __func__,reg, data); + + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { + printk("%s: writereg error(err == %i, reg == 0x%02x," + " value == 0x%02x)\n", __func__, err, reg, data); + return -EREMOTEIO; + } + + return 0; +} + +/* Bulk byte writes to a single I2C address, for 32k firmware load */ +static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len) +{ + int ret = -EREMOTEIO; + struct i2c_msg msg; + u8 *buf; + + buf = kmalloc(len + 1, GFP_KERNEL); + if (buf == NULL) { + printk("Unable to kmalloc\n"); + ret = -ENOMEM; + goto error; + } + + *(buf) = reg; + memcpy(buf + 1, data, len); + + msg.addr = state->config->demod_address; + msg.flags = 0; + msg.buf = buf; + msg.len = len + 1; + + if (debug>1) + printk("cx24116: %s: write regN 0x%02x, len = %d\n", + __func__,reg, len); + + if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) { + printk("%s: writereg error(err == %i, reg == 0x%02x\n", + __func__, ret, reg); + ret = -EREMOTEIO; + } + +error: + kfree(buf); + + return ret; +} + +static int cx24116_readreg(struct cx24116_state* state, u8 reg) +{ + int ret; + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + struct i2c_msg msg[] = { + { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, + { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) { + printk("%s: reg=0x%x (error=%d)\n", __func__, reg, ret); + return ret; + } + + if (debug>1) + printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]); + + return b1[0]; +} + +static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion) +{ + dprintk("%s(%d)\n", __func__, inversion); + + switch (inversion) { + case INVERSION_OFF: + state->dnxt.inversion_val = 0x00; + break; + case INVERSION_ON: + state->dnxt.inversion_val = 0x04; + break; + case INVERSION_AUTO: + state->dnxt.inversion_val = 0x0C; + break; + default: + return -EINVAL; + } + + state->dnxt.inversion = inversion; + + return 0; +} + +/* A table of modulation, fec and configuration bytes for the demod. + * Not all S2 mmodulation schemes are support and not all rates with + * a scheme are support. Especially, no auto detect when in S2 mode. + */ +struct cx24116_modfec { + fe_modulation_t modulation; + fe_code_rate_t fec; + u8 mask; /* In DVBS mode this is used to autodetect */ + u8 val; /* Passed to the firmware to indicate mode selection */ +} CX24116_MODFEC_MODES[] = { + /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ + { QPSK, FEC_NONE, 0xfe, 0x30 }, + { QPSK, FEC_1_2, 0x02, 0x2e }, + { QPSK, FEC_2_3, 0x04, 0x2f }, + { QPSK, FEC_3_4, 0x08, 0x30 }, + { QPSK, FEC_4_5, 0xfe, 0x30 }, + { QPSK, FEC_5_6, 0x20, 0x31 }, + { QPSK, FEC_6_7, 0xfe, 0x30 }, + { QPSK, FEC_7_8, 0x80, 0x32 }, + { QPSK, FEC_8_9, 0xfe, 0x30 }, + { QPSK, FEC_AUTO, 0xfe, 0x30 }, + /* NBC-QPSK */ + { NBC_QPSK, FEC_1_2, 0x00, 0x04 }, + { NBC_QPSK, FEC_3_5, 0x00, 0x05 }, + { NBC_QPSK, FEC_2_3, 0x00, 0x06 }, + { NBC_QPSK, FEC_3_4, 0x00, 0x07 }, + { NBC_QPSK, FEC_4_5, 0x00, 0x08 }, + { NBC_QPSK, FEC_5_6, 0x00, 0x09 }, + { NBC_QPSK, FEC_8_9, 0x00, 0x0a }, + { NBC_QPSK, FEC_9_10, 0x00, 0x0b }, + /* 8PSK */ + { _8PSK, FEC_3_5, 0x00, 0x0c }, + { _8PSK, FEC_2_3, 0x00, 0x0d }, + { _8PSK, FEC_3_4, 0x00, 0x0e }, + { _8PSK, FEC_5_6, 0x00, 0x0f }, + { _8PSK, FEC_9_10, 0x00, 0x11 }, +}; + +static int cx24116_lookup_fecmod(struct cx24116_state* state, + fe_modulation_t m, fe_code_rate_t f) +{ + int i, ret = -EOPNOTSUPP; + + for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++) + { + if( (m == CX24116_MODFEC_MODES[i].modulation) && + (f == CX24116_MODFEC_MODES[i].fec) ) + { + ret = i; + break; + } + } + + return ret; +} + +static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec) +{ + int ret = 0; + dprintk("%s()\n", __func__); + + ret = cx24116_lookup_fecmod(state, mod, fec); + + if(ret < 0) + return ret; + + state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val; + state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask; + dprintk("%s() fec_val/mask = 0x%02x/0x%02x\n", __func__, + state->dnxt.fec_val, state->dnxt.fec_mask); + + return 0; +} + +static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate) +{ + int ret = 0; + + dprintk("%s()\n", __func__); + + state->dnxt.symbol_rate = rate; + + dprintk("%s() symbol_rate = %d\n", __func__, state->dnxt.symbol_rate); + + /* check if symbol rate is within limits */ + if ((state->dnxt.symbol_rate > state->frontend.ops.info.symbol_rate_max) || + (state->dnxt.symbol_rate < state->frontend.ops.info.symbol_rate_min)) + ret = -EOPNOTSUPP; + + return ret; +} + +static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw); + +static int cx24116_firmware_ondemand(struct dvb_frontend* fe) +{ + struct cx24116_state *state = fe->demodulator_priv; + const struct firmware *fw; + int ret = 0; + + dprintk("%s()\n",__func__); + + if (cx24116_readreg(state, 0x20) > 0) + { + + if (state->skip_fw_load) + return 0; + + /* Load firmware */ + /* request the firmware, this will block until someone uploads it */ + printk("%s: Waiting for firmware upload (%s)...\n", __func__, CX24116_DEFAULT_FIRMWARE); + ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE, &state->i2c->dev); + printk("%s: Waiting for firmware upload(2)...\n", __func__); + if (ret) { + printk("%s: No firmware uploaded (timeout or file not found?)\n", __func__); + return ret; + } + + /* Make sure we don't recurse back through here during loading */ + state->skip_fw_load = 1; + + ret = cx24116_load_firmware(fe, fw); + if (ret) + printk("%s: Writing firmware to device failed\n", __func__); + + release_firmware(fw); + + printk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed"); + + /* Ensure firmware is always loaded if required */ + state->skip_fw_load = 0; + } + + return ret; +} + +/* Take a basic firmware command structure, format it and forward it for processing */ +static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd) +{ + struct cx24116_state *state = fe->demodulator_priv; + int i, ret; + + dprintk("%s()\n", __func__); + + /* Load the firmware if required */ + if ( (ret = cx24116_firmware_ondemand(fe)) != 0) + { + printk("%s(): Unable initialise the firmware\n", __func__); + return ret; + } + + /* Write the command */ + for(i = 0; i < cmd->len ; i++) + { + dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]); + cx24116_writereg(state, i, cmd->args[i]); + } + + /* Start execution and wait for cmd to terminate */ + cx24116_writereg(state, 0x1f, 0x01); + while( cx24116_readreg(state, 0x1f) ) + { + msleep(10); + if(i++ > 64) + { + /* Avoid looping forever if the firmware does no respond */ + printk("%s() Firmware not responding\n", __func__); + return -EREMOTEIO; + } + } + return 0; +} + +static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) +{ + struct cx24116_state* state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int ret; + + dprintk("%s\n", __func__); + dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n" + ,fw->size + ,fw->data[0] + ,fw->data[1] + ,fw->data[ fw->size-2 ] + ,fw->data[ fw->size-1 ] + ); + + /* Toggle 88x SRST pin to reset demod */ + if (state->config->reset_device) + state->config->reset_device(fe); + + /* Begin the firmware load process */ + /* Prepare the demod, load the firmware, cleanup after load */ + cx24116_writereg(state, 0xF1, 0x08); + cx24116_writereg(state, 0xF2, cx24116_readreg(state, 0xF2) | 0x03); + cx24116_writereg(state, 0xF3, 0x46); + cx24116_writereg(state, 0xF9, 0x00); + + cx24116_writereg(state, 0xF0, 0x03); + cx24116_writereg(state, 0xF4, 0x81); + cx24116_writereg(state, 0xF5, 0x00); + cx24116_writereg(state, 0xF6, 0x00); + + /* write the entire firmware as one transaction */ + cx24116_writeregN(state, 0xF7, fw->data, fw->size); + + cx24116_writereg(state, 0xF4, 0x10); + cx24116_writereg(state, 0xF0, 0x00); + cx24116_writereg(state, 0xF8, 0x06); + + /* Firmware CMD 10: Chip config? */ + cmd.args[0x00] = CMD_INIT_CMD10; + cmd.args[0x01] = 0x05; + cmd.args[0x02] = 0xdc; + cmd.args[0x03] = 0xda; + cmd.args[0x04] = 0xae; + cmd.args[0x05] = 0xaa; + cmd.args[0x06] = 0x04; + cmd.args[0x07] = 0x9d; + cmd.args[0x08] = 0xfc; + cmd.args[0x09] = 0x06; + cmd.len= 0x0a; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + cx24116_writereg(state, 0x9d, 0x00); + + /* Firmware CMD 14: Unknown */ + cmd.args[0x00] = CMD_INIT_CMD14; + cmd.args[0x01] = 0x00; + cmd.args[0x02] = 0x00; + cmd.len= 0x03; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + cx24116_writereg(state, 0xe5, 0x00); + + /* Firmware CMD 13: Unknown - Firmware config? */ + cmd.args[0x00] = CMD_INIT_CMD13; + cmd.args[0x01] = 0x01; + cmd.args[0x02] = 0x75; + cmd.args[0x03] = 0x00; + cmd.args[0x04] = 0x02; + cmd.args[0x05] = 0x00; + cmd.len= 0x06; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + return 0; +} + +static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) +{ + /* The isl6421 module will override this function in the fops. */ + dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__); + + return -EOPNOTSUPP; +} + +static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + struct cx24116_state *state = fe->demodulator_priv; + + int lock = cx24116_readreg(state, 0x9d); + + dprintk("%s: status = 0x%02x\n", __func__, lock); + + *status = 0; + + if (lock & 0x01) + *status |= FE_HAS_SIGNAL; + if (lock & 0x02) + *status |= FE_HAS_CARRIER; + if (lock & 0x04) + *status |= FE_HAS_VITERBI; + if (lock & 0x08) + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + + return 0; +} + +/* TODO: Not clear how we do this */ +static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber) +{ + //struct cx24116_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); + *ber = 0; + + return 0; +} + +/* Signal strength (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ +static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) +{ + struct cx24116_state *state = fe->demodulator_priv; + u8 strength_reg; + static const u32 strength_tab[] = { /* 10 x Table (rounded up) */ + 0x00000,0x0199A,0x03333,0x04ccD,0x06667,0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, + 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; + + dprintk("%s()\n", __func__); + + strength_reg = cx24116_readreg(state, CX24116_REG_SIGNAL); + + if(strength_reg < 0xa0) + *signal_strength = strength_tab [ ( strength_reg & 0xf0 ) >> 4 ] + + ( strength_tab [ ( strength_reg & 0x0f ) ] >> 4 ); + else + *signal_strength = 0xffff; + + dprintk("%s: Signal strength (raw / cooked) = (0x%02x / 0x%04x)\n", + __func__,strength_reg,*signal_strength); + + return 0; +} + +/* TODO: Not clear how we do this */ +static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) +{ + //struct cx24116_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); + *snr = 0; + + return 0; +} + +/* TODO: Not clear how we do this */ +static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + //struct cx24116_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); + *ucblocks = 0; + + return 0; +} + +/* Overwrite the current tuning params, we are about to tune */ +static void cx24116_clone_params(struct dvb_frontend* fe) +{ + struct cx24116_state *state = fe->demodulator_priv; + memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur)); +} + +static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) +{ + struct cx24116_cmd cmd; + int ret; + + dprintk("%s(%d)\n", __func__, tone); + if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) { + printk("%s: Invalid, tone=%d\n", __func__, tone); + return -EINVAL; + } + + /* This is always done before the tone is set */ + cmd.args[0x00] = CMD_SET_TONEPRE; + cmd.args[0x01] = 0x00; + cmd.len= 0x02; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + /* Now we set the tone */ + cmd.args[0x00] = CMD_SET_TONE; + cmd.args[0x01] = 0x00; + cmd.args[0x02] = 0x00; + + switch (tone) { + case SEC_TONE_ON: + dprintk("%s: setting tone on\n", __func__); + cmd.args[0x03] = 0x01; + break; + case SEC_TONE_OFF: + dprintk("%s: setting tone off\n",__func__); + cmd.args[0x03] = 0x00; + break; + } + cmd.len= 0x04; + + return cx24116_cmd_execute(fe, &cmd); +} + +/* Initialise DiSEqC */ +static int cx24116_diseqc_init(struct dvb_frontend* fe) +{ + struct cx24116_state *state = fe->demodulator_priv; + + /* Default DiSEqC burst state */ + state->burst = CX24116_DISEQC_MINI_A; + + return 0; +} + +/* Send DiSEqC message with derived burst (hack) || previous burst */ +static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d) +{ + struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int i, ret; + + /* Dump DiSEqC message */ + if (debug) { + printk("cx24116: %s(", __func__); + for(i = 0 ; i < d->msg_len ;) { + printk("0x%02x", d->msg[i]); + if(++i < d->msg_len) + printk(", "); + } + printk(")\n"); + } + + if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) + return -EINVAL; + + cmd.args[0x00] = CMD_SEND_DISEQC; + cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; + cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; + cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; + + /* DiSEqC message */ + for (i = 0; i < d->msg_len; i++) + cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; + + /* Hack: Derive burst from command else use previous burst */ + if(d->msg_len >= 4 && d->msg[2] == 0x38) + cmd.args[CX24116_DISEQC_BURST] = (d->msg[3] >> 2) & 1; + else + cmd.args[CX24116_DISEQC_BURST] = state->burst; + + cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; + cmd.len = CX24116_DISEQC_MSGOFS + d->msg_len; + + ret = cx24116_cmd_execute(fe, &cmd); + + /* Firmware command duration is unknown, so guess... + * + * Eutelsat spec: + * >15ms delay + + * 13.5ms per byte + + * >15ms delay + + * 12.5ms burst + + * >15ms delay + */ + if(ret == 0) + msleep( (cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); + + return ret; +} + +/* Send DiSEqC burst */ +static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) +{ + struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int ret; + + dprintk("%s(%d)\n",__func__,(int)burst); + + cmd.args[0x00] = CMD_SEND_DISEQC; + cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; + cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; + cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; + + if (burst == SEC_MINI_A) + cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; + else if(burst == SEC_MINI_B) + cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; + else + return -EINVAL; + + /* Cache as previous burst state */ + state->burst= cmd.args[CX24116_DISEQC_BURST]; + + cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; + cmd.len= CX24116_DISEQC_MSGOFS; + + ret= cx24116_cmd_execute(fe, &cmd); + + /* Firmware command duration is unknown, so guess... */ + if(ret == 0) + msleep(60); + + return ret; +} + +static void cx24116_release(struct dvb_frontend* fe) +{ + struct cx24116_state* state = fe->demodulator_priv; + dprintk("%s\n",__func__); + kfree(state); +} + +static struct dvb_frontend_ops cx24116_ops; + +struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, + struct i2c_adapter* i2c) +{ + struct cx24116_state* state = NULL; + int ret; + + dprintk("%s\n",__func__); + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); + if (state == NULL) { + printk("Unable to kmalloc\n"); + goto error; + } + + /* setup the state */ + memset(state, 0, sizeof(struct cx24116_state)); + + state->config = config; + state->i2c = i2c; + + /* check if the demod is present */ + ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE); + if (ret != 0x0501) { + printk("Invalid probe, probably not a CX24116 device\n"); + goto error; + } + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &cx24116_ops, sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + + return NULL; +} + +static int cx24116_get_params(struct dvb_frontend* fe) +{ + struct cx24116_state *state = fe->demodulator_priv; + struct tv_frontend_properties *cache = &fe->tv_property_cache; + + dprintk("%s()\n",__func__); + + cache->frequency = state->dcur.frequency; + cache->inversion = state->dcur.inversion; + cache->modulation = state->dcur.modulation; + cache->fec_inner = state->dcur.fec; + cache->symbol_rate = state->dcur.symbol_rate; + + return 0; +} + +static int cx24116_initfe(struct dvb_frontend* fe) +{ + dprintk("%s()\n",__func__); + + return cx24116_diseqc_init(fe); +} + +static int cx24116_set_property(struct dvb_frontend *fe, tv_property_t* tvp) +{ + dprintk("%s(..)\n", __func__); + return 0; +} + +static int cx24116_set_params(struct dvb_frontend *fe) +{ + dprintk("%s(..) We were notified that a tune request may occur\n", __func__); + return 0; +} + +/* dvb-core told us to tune, the tv property cache will be complete, + * it's safe for is to pull values and use them for tuning purposes. + */ +static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + struct cx24116_state *state = fe->demodulator_priv; + struct tv_frontend_properties *c = &fe->tv_property_cache; + struct cx24116_cmd cmd; + fe_status_t tunerstat; + int ret; + u8 retune=4; + + dprintk("%s()\n",__func__); + + state->dnxt.modulation = c->modulation; + state->dnxt.frequency = c->frequency; + + if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) + return ret; + + if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) + return ret; + + if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) != 0) + return ret; + + /* discard the 'current' tuning parameters and prepare to tune */ + cx24116_clone_params(fe); + + dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); + dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); + dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, + state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); + dprintk("%s: Inversion = %d (val = 0x%02x)\n", __func__, + state->dcur.inversion, state->dcur.inversion_val); + + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 0); + + /* Prepare a tune request */ + cmd.args[0x00] = CMD_TUNEREQUEST; + + /* Frequency */ + cmd.args[0x01] = (state->dcur.frequency & 0xff0000) >> 16; + cmd.args[0x02] = (state->dcur.frequency & 0x00ff00) >> 8; + cmd.args[0x03] = (state->dcur.frequency & 0x0000ff); + + /* Symbol Rate */ + cmd.args[0x04] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8; + cmd.args[0x05] = ((state->dcur.symbol_rate / 1000) & 0x00ff); + + /* Automatic Inversion */ + cmd.args[0x06] = state->dcur.inversion_val; + + /* Modulation / FEC & Pilot Off */ + cmd.args[0x07] = state->dcur.fec_val; + + if (c->pilot == PILOT_ON) + cmd.args[0x07] |= 0x40; + + cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; + cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; + cmd.args[0x0a] = 0x00; + cmd.args[0x0b] = 0x00; + cmd.args[0x0c] = 0x02; + cmd.args[0x0d] = state->dcur.fec_mask; + cmd.args[0x0e] = 0x06; + cmd.args[0x0f] = 0x00; + cmd.args[0x10] = 0x00; + cmd.args[0x11] = 0xFA; + cmd.args[0x12] = 0x24; + cmd.len= 0x13; + + /* We need to support pilot and non-pilot tuning in the + * driver automatically. This is a workaround for because + * the demod does not support autodetect. + */ + do { + /* Reset status register? */ + cx24116_writereg(state, 0x9d, 0xc1); + + /* Tune */ + ret = cx24116_cmd_execute(fe, &cmd); + if( ret != 0 ) + break; + + /* The hardware can take time to lock, wait a while */ + msleep(500); + + cx24116_read_status(fe, &tunerstat); + if(tunerstat & FE_HAS_SIGNAL) { + if(tunerstat & FE_HAS_SYNC) + /* Tuned */ + break; + else if(c->pilot == PILOT_AUTO) + /* Toggle pilot bit */ + cmd.args[0x07] ^= 0x40; + } + } + while(--retune); + + return ret; +} + +static struct dvb_frontend_ops cx24116_ops = { + + .info = { + .name = "Conexant CX24116/CX24118", + .type = FE_QPSK, + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 1011, /* kHz for QPSK frontends */ + .frequency_tolerance = 5000, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_RECOVER + }, + + .release = cx24116_release, + + .init = cx24116_initfe, + .read_status = cx24116_read_status, + .read_ber = cx24116_read_ber, + .read_signal_strength = cx24116_read_signal_strength, + .read_snr = cx24116_read_snr, + .read_ucblocks = cx24116_read_ucblocks, + .set_tone = cx24116_set_tone, + .set_voltage = cx24116_set_voltage, + .diseqc_send_master_cmd = cx24116_send_diseqc_msg, + .diseqc_send_burst = cx24116_diseqc_send_burst, + + .set_property = cx24116_set_property, + .set_params = cx24116_set_params, + .set_frontend = cx24116_set_frontend, +}; + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); + +MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); +MODULE_AUTHOR("Steven Toth"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(cx24116_attach); diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h new file mode 100644 index 000000000000..27896725204a --- /dev/null +++ b/drivers/media/dvb/frontends/cx24116.h @@ -0,0 +1,50 @@ +/* + Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver + + Copyright (C) 2006 Steven Toth + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef CX24116_H +#define CX24116_H + +#include + +struct cx24116_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* Need to set device param for start_dma */ + int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); + + /* Need to reset device during firmware loading */ + int (*reset_device)(struct dvb_frontend* fe); +}; + +#if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE) +extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, + struct i2c_adapter* i2c); +#else +static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, + struct i2c_adapter* i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif // CONFIG_DVB_CX24116 + +#endif /* CX24116_H */ -- GitLab From 5bd1b66359437864e6b46420ba6770c2b1c4362c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 4 Sep 2008 01:17:33 -0300 Subject: [PATCH 3890/6244] V4L/DVB (8987): cx88: Add support for the Hauppauge HVR4000 and HVR4000-LITE (S2) boards Adding support for Hauppauge's cx88 S2 based products, based on the cx24116 DVB-S2 demodulator. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 2 + drivers/media/video/cx88/cx88-cards.c | 79 +++++++++++++++++++++++++ drivers/media/video/cx88/cx88-dvb.c | 42 +++++++++++++ drivers/media/video/cx88/cx88-input.c | 4 ++ drivers/media/video/cx88/cx88.h | 2 + 5 files changed, 129 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index 7cf5685d3645..c95a2fb70c30 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -66,3 +66,5 @@ 65 -> DViCO FusionHDTV 7 Gold [18ac:d610] 66 -> Prolink Pixelview MPEG 8000GT [1554:4935] 67 -> Kworld PlusTV HD PCI 120 (ATSC 120) [17de:08c1] + 68 -> Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [0070:6900,0070:6904,0070:6902] + 69 -> Hauppauge WinTV-HVR4000(Lite) DVB-S/S2 [0070:6905,0070:6906] diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index de199a206a15..538967e32284 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1664,6 +1664,51 @@ static const struct cx88_board cx88_boards[] = { }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_HAUPPAUGE_HVR4000] = { + .name = "Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid", + .tuner_type = TUNER_PHILIPS_FMD1216ME_MK3, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tda9887_conf = TDA9887_PRESENT, + /* + * GPIO0 (WINTV2000) + * + * Analogue SAT DVB-T + * Antenna 0xc4bf 0xc4bb + * Composite 0xc4bf 0xc4bb + * S-Video 0xc4bf 0xc4bb + * Composite1 0xc4ff 0xc4fb + * S-Video1 0xc4ff 0xc4fb + */ + .input = {{ + .type = CX88_VMUX_TELEVISION, + .vmux = 0, + .gpio0 = 0xc4bf, + }, { + .type = CX88_VMUX_COMPOSITE1, + .vmux = 1, + .gpio0 = 0xc4bf, + }, { + .type = CX88_VMUX_SVIDEO, + .vmux = 2, + .gpio0 = 0xc4bf, + } }, + /* fixme: Add radio support */ + .mpeg = CX88_MPEG_DVB, + }, + [CX88_BOARD_HAUPPAUGE_HVR4000LITE] = { + .name = "Hauppauge WinTV-HVR4000(Lite) DVB-S/S2", + .tuner_type = UNSET, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 0, + } }, + .mpeg = CX88_MPEG_DVB, + }, }; /* ------------------------------------------------------------------ */ @@ -2013,6 +2058,26 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0x17de, .subdevice = 0x08c1, .card = CX88_BOARD_KWORLD_ATSC_120, + }, { + .subvendor = 0x0070, + .subdevice = 0x6900, + .card = CX88_BOARD_HAUPPAUGE_HVR4000, + }, { + .subvendor = 0x0070, + .subdevice = 0x6904, + .card = CX88_BOARD_HAUPPAUGE_HVR4000, + }, { + .subvendor = 0x0070, + .subdevice = 0x6902, + .card = CX88_BOARD_HAUPPAUGE_HVR4000, + }, { + .subvendor = 0x0070, + .subdevice = 0x6905, + .card = CX88_BOARD_HAUPPAUGE_HVR4000LITE, + }, { + .subvendor = 0x0070, + .subdevice = 0x6906, + .card = CX88_BOARD_HAUPPAUGE_HVR4000LITE, }, }; @@ -2065,6 +2130,13 @@ static void hauppauge_eeprom(struct cx88_core *core, u8 *eeprom_data) case 14669: /* WinTV-HVR3000 (OEM, no IR, no b/panel video - Low profile) */ case 28552: /* WinTV-PVR 'Roslyn' (No IR) */ case 34519: /* WinTV-PCI-FM */ + case 69009: + /* WinTV-HVR4000 (DVBS/S2/T, Video and IR, back panel inputs) */ + case 69100: /* WinTV-HVR4000LITE (DVBS/S2, IR) */ + case 69500: /* WinTV-HVR4000LITE (DVBS/S2, No IR) */ + case 69559: + /* WinTV-HVR4000 (DVBS/S2/T, Video no IR, back panel inputs) */ + case 69569: /* WinTV-HVR4000 (DVBS/S2/T, Video no IR) */ case 90002: /* Nova-T-PCI (9002) */ case 92001: /* Nova-S-Plus (Video and IR) */ case 92002: /* Nova-S-Plus (Video and IR) */ @@ -2415,6 +2487,11 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core) /* Enable the xc5000 tuner */ cx_set(MO_GP0_IO, 0x00001010); break; + case CX88_BOARD_HAUPPAUGE_HVR4000: + case CX88_BOARD_HAUPPAUGE_HVR4000LITE: + /* Init GPIO to allow tuner to attach */ + cx_write(MO_GP0_IO, 0x0000c4bf); + udelay(1000); } } @@ -2489,6 +2566,8 @@ static void cx88_card_setup(struct cx88_core *core) case CX88_BOARD_HAUPPAUGE_HVR1100LP: case CX88_BOARD_HAUPPAUGE_HVR3000: case CX88_BOARD_HAUPPAUGE_HVR1300: + case CX88_BOARD_HAUPPAUGE_HVR4000: + case CX88_BOARD_HAUPPAUGE_HVR4000LITE: if (0 == core->i2c_rc) hauppauge_eeprom(core, eeprom); break; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 9f0e5b3c515e..7a5a4a2c69ca 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -48,6 +48,7 @@ #include "tuner-simple.h" #include "tda9887.h" #include "s5h1411.h" +#include "cx24116.h" MODULE_DESCRIPTION("driver for cx2388x based DVB cards"); MODULE_AUTHOR("Chris Pascoe "); @@ -518,6 +519,35 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev) return 0; } +static int cx24116_set_ts_param(struct dvb_frontend *fe, + int is_punctured) +{ + struct cx8802_dev *dev = fe->dvb->priv; + dev->ts_gen_cntrl = 0x2; + + return 0; +} + +static int cx24116_reset_device(struct dvb_frontend *fe) +{ + struct cx8802_dev *dev = fe->dvb->priv; + struct cx88_core *core = dev->core; + + /* Reset the part */ + cx_write(MO_SRST_IO, 0); + msleep(10); + cx_write(MO_SRST_IO, 1); + msleep(10); + + return 0; +} + +static struct cx24116_config hauppauge_hvr4000_config = { + .demod_address = 0x05, + .set_ts_params = cx24116_set_ts_param, + .reset_device = cx24116_reset_device, +}; + static int dvb_register(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; @@ -876,6 +906,18 @@ static int dvb_register(struct cx8802_dev *dev) goto frontend_detach; } break; + case CX88_BOARD_HAUPPAUGE_HVR4000: + case CX88_BOARD_HAUPPAUGE_HVR4000LITE: + /* Support for DVB-S only, not DVB-T support */ + dev->dvb.frontend = dvb_attach(cx24116_attach, + &hauppauge_hvr4000_config, + &dev->core->i2c_adap); + if (dev->dvb.frontend) { + dvb_attach(isl6421_attach, dev->dvb.frontend, + &dev->core->i2c_adap, + 0x08, 0x00, 0x00); + } + break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", core->name); diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 53526d997a4e..097081eb505f 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -224,6 +224,8 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: case CX88_BOARD_HAUPPAUGE_HVR1100: case CX88_BOARD_HAUPPAUGE_HVR3000: + case CX88_BOARD_HAUPPAUGE_HVR4000: + case CX88_BOARD_HAUPPAUGE_HVR4000LITE: ir_codes = ir_codes_hauppauge_new; ir_type = IR_TYPE_RC5; ir->sampling = 1; @@ -462,6 +464,8 @@ void cx88_ir_irq(struct cx88_core *core) case CX88_BOARD_HAUPPAUGE_HVR1100: case CX88_BOARD_HAUPPAUGE_HVR3000: case CX88_BOARD_PINNACLE_PCTV_HD_800i: + case CX88_BOARD_HAUPPAUGE_HVR4000: + case CX88_BOARD_HAUPPAUGE_HVR4000LITE: ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); ir_dprintk("biphase decoded: %x\n", ircode); if ((ircode & 0xfffff000) != 0x3000) diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 54fe65094711..edcdabaf7bca 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -221,6 +221,8 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65 #define CX88_BOARD_PROLINK_PV_8000GT 66 #define CX88_BOARD_KWORLD_ATSC_120 67 +#define CX88_BOARD_HAUPPAUGE_HVR4000 68 +#define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From 13c97bf56724b4f2d3dac139fb4cb081a3c401dc Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 4 Sep 2008 21:19:43 -0300 Subject: [PATCH 3891/6244] V4L/DVB (8988): S2API: Allow the properties to call legacy ioctls SET_TONE and SET_VOLTAGE were not previously implemented. Two options existed. Either cut/paste from the previous ioctl handler into the process_properties function, which is code duplication. Or, split the current ioctl handler into it's two major pieces. Piece 1, responsible for input validation and semaphore acquiring Piece 2 the processing of the previous ioctls and finally, a new third pieces where the array of properties is processed, and can freely call the legacy ioctl handler without having to re-acquire the fepriv->sem semaphore. This is a clean approach and ensures the existing legacy ioctls are processed as they were previously (but with an extra function call) and allows the new API to share code without duplication. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 67 ++++++++++++++++++++--- 1 file changed, 59 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index e68974b2fee9..86af06cf578c 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1156,9 +1156,16 @@ int tv_property_cache_submit(struct dvb_frontend *fe) return r; } -int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp) +static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, + unsigned int cmd, void *parg); +static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, + unsigned int cmd, void *parg); + +int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp, + struct inode *inode, struct file *file) { int r = 0; + struct dvb_frontend_private *fepriv = fe->frontend_priv; printk("%s()\n", __FUNCTION__); tv_property_dump(tvp); @@ -1181,7 +1188,9 @@ int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp) */ fe->tv_property_cache.state = TV_SEQ_COMPLETE; printk("%s() Finalised property cache\n", __FUNCTION__); - r = tv_property_cache_submit(fe); + r |= tv_property_cache_submit(fe); + r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, + &fepriv->parameters); break; case TV_SET_FREQUENCY: fe->tv_property_cache.frequency = tvp->u.data; @@ -1278,10 +1287,25 @@ int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp) case TV_GET_ISDB_LAYERC_SEGMENT_WIDTH: tvp->u.data = fe->tv_property_cache.isdb_layerc_segment_width; break; - + case TV_SET_VOLTAGE: + fe->tv_property_cache.voltage = tvp->u.data; + r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE, + &fe->tv_property_cache.voltage); + break; + case TV_GET_VOLTAGE: + tvp->u.data = fe->tv_property_cache.voltage; + break; + case TV_SET_TONE: + fe->tv_property_cache.sectone = tvp->u.data; + r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE, + (void *)fe->tv_property_cache.sectone); + break; + case TV_GET_TONE: + tvp->u.data = fe->tv_property_cache.sectone; + break; } - return 0; + return r; } static int dvb_frontend_ioctl(struct inode *inode, struct file *file, @@ -1291,7 +1315,6 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; int err = -EOPNOTSUPP; - tv_property_t* tvp; dprintk ("%s\n", __func__); @@ -1306,6 +1329,25 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, if (down_interruptible (&fepriv->sem)) return -ERESTARTSYS; + if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY)) + err = dvb_frontend_ioctl_properties(inode, file, cmd, parg); + else + err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg); + + up(&fepriv->sem); + return err; +} + +static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, + unsigned int cmd, void *parg) +{ + struct dvb_device *dvbdev = file->private_data; + struct dvb_frontend *fe = dvbdev->priv; + int err = -EOPNOTSUPP; + tv_property_t *tvp; + + dprintk("%s\n", __func__); + if(cmd == FE_SET_PROPERTY) { printk("%s() FE_SET_PROPERTY\n", __FUNCTION__); @@ -1314,7 +1356,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, /* TODO: ioctl userdata out of range check here */ tvp = parg; while(tvp->cmd != TV_SEQ_UNDEFINED) { - tv_property_process(fe, tvp); + tv_property_process(fe, tvp, inode, file); if( (tvp->cmd == TV_SEQ_TERMINATE) || (tvp->cmd == TV_SEQ_COMPLETE) ) break; tvp++; @@ -1322,11 +1364,21 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); - cmd = FE_SET_FRONTEND; } err = 0; } + return err; +} + +static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, + unsigned int cmd, void *parg) +{ + struct dvb_device *dvbdev = file->private_data; + struct dvb_frontend *fe = dvbdev->priv; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + int err = -EOPNOTSUPP; + switch (cmd) { case FE_GET_INFO: { struct dvb_frontend_info* info = parg; @@ -1585,7 +1637,6 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, break; }; - up (&fepriv->sem); return err; } -- GitLab From af832623c2a44525df6e4ae0142fb0385479546c Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Thu, 4 Sep 2008 17:24:14 -0300 Subject: [PATCH 3892/6244] V4L/DVB (8989): Added support for TeVii S460 DVB-S/S2 card Added support for TeVii S460 DVB-S/S2 card. The card based on cx24116 demodulator. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 23 +++++++++++++++ drivers/media/video/cx88/cx88-dvb.c | 40 +++++++++++++++++++++++++++ drivers/media/video/cx88/cx88.h | 1 + 3 files changed, 64 insertions(+) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 538967e32284..23948daae85e 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1709,6 +1709,18 @@ static const struct cx88_board cx88_boards[] = { } }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_TEVII_S460] = { + .name = "TeVii S460 DVB-S/S2", + .tuner_type = UNSET, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 0, + } }, + .mpeg = CX88_MPEG_DVB, + }, }; /* ------------------------------------------------------------------ */ @@ -2078,6 +2090,10 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0x0070, .subdevice = 0x6906, .card = CX88_BOARD_HAUPPAUGE_HVR4000LITE, + }, { + .subvendor = 0xD460, + .subdevice = 0x9022, + .card = CX88_BOARD_TEVII_S460, }, }; @@ -2649,7 +2665,14 @@ static void cx88_card_setup(struct cx88_core *core) tea5767_cfg.priv = &ctl; cx88_call_i2c_clients(core, TUNER_SET_CONFIG, &tea5767_cfg); + break; } + case CX88_BOARD_TEVII_S460: + cx_write(MO_SRST_IO, 0); + msleep(100); + cx_write(MO_SRST_IO, 1); + msleep(100); + break; } /*end switch() */ diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 7a5a4a2c69ca..5ff6e9d28713 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -376,6 +376,31 @@ static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe, return 0; } +static int tevii_dvbs_set_voltage(struct dvb_frontend *fe, + fe_sec_voltage_t voltage) +{ + struct cx8802_dev *dev= fe->dvb->priv; + struct cx88_core *core = dev->core; + + switch (voltage) { + case SEC_VOLTAGE_13: + printk("LNB Voltage SEC_VOLTAGE_13\n"); + cx_write(MO_GP0_IO, 0x00006040); + break; + case SEC_VOLTAGE_18: + printk("LNB Voltage SEC_VOLTAGE_18\n"); + cx_write(MO_GP0_IO, 0x00006060); + break; + case SEC_VOLTAGE_OFF: + printk("LNB Voltage SEC_VOLTAGE_off\n"); + break; + } + + if (core->prev_set_voltage) + return core->prev_set_voltage(fe, voltage); + return 0; +} + static int cx88_pci_nano_callback(void *ptr, int command, int arg) { struct cx88_core *core = ptr; @@ -548,6 +573,12 @@ static struct cx24116_config hauppauge_hvr4000_config = { .reset_device = cx24116_reset_device, }; +static struct cx24116_config tevii_s460_config = { + .demod_address = 0x55, + .set_ts_params = cx24116_set_ts_param, + .reset_device = cx24116_reset_device, +}; + static int dvb_register(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; @@ -918,6 +949,15 @@ static int dvb_register(struct cx8802_dev *dev) 0x08, 0x00, 0x00); } break; + case CX88_BOARD_TEVII_S460: + dev->dvb.frontend = dvb_attach(cx24116_attach, + &tevii_s460_config, + &core->i2c_adap); + if (dev->dvb.frontend != NULL) { + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; + } + break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", core->name); diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index edcdabaf7bca..2b82c6aac89a 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -223,6 +223,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_KWORLD_ATSC_120 67 #define CX88_BOARD_HAUPPAUGE_HVR4000 68 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69 +#define CX88_BOARD_TEVII_S460 70 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From 2cf801e3e38f649d25fe3b4e236976f45e26289f Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 8 Sep 2008 12:07:06 -0300 Subject: [PATCH 3893/6244] V4L/DVB (8990): S2API: DVB-S/S2 voltage selection bug fix Thanks to Hans Werner for finding the problem. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 1 + drivers/media/dvb/dvb-core/dvb_frontend.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index c95a2fb70c30..b51485c16312 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -68,3 +68,4 @@ 67 -> Kworld PlusTV HD PCI 120 (ATSC 120) [17de:08c1] 68 -> Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [0070:6900,0070:6904,0070:6902] 69 -> Hauppauge WinTV-HVR4000(Lite) DVB-S/S2 [0070:6905,0070:6906] + 70 -> TeVii S460 DVB-S/S2 [D460:9022] diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 86af06cf578c..620c62084029 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1290,7 +1290,7 @@ int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp, case TV_SET_VOLTAGE: fe->tv_property_cache.voltage = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE, - &fe->tv_property_cache.voltage); + (void *)fe->tv_property_cache.voltage); break; case TV_GET_VOLTAGE: tvp->u.data = fe->tv_property_cache.voltage; -- GitLab From fe03d5ee6758a2533dbc5e69a693d264d270d04b Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Mon, 8 Sep 2008 17:16:40 -0300 Subject: [PATCH 3894/6244] V4L/DVB (8991): Added support for DVBWorld 2104 and TeVii S650 USB DVB-S2 cards Added support for DVBWorld 2104 and TeVii S650 USB DVB-S2 cards This cards based on cx24116 demodulator. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dw2102.c | 305 +++++++++++++++++++++++------ drivers/media/dvb/dvb-usb/dw2102.h | 1 - 2 files changed, 248 insertions(+), 58 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index a4d898b44e55..0f3f962b35bf 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -1,4 +1,5 @@ -/* DVB USB framework compliant Linux driver for the DVBWorld DVB-S 2102 Card +/* DVB USB framework compliant Linux driver for the +* DVBWorld DVB-S 2101, 2102, DVB-S2 2104 Card * * Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) * @@ -12,18 +13,23 @@ #include "dw2102.h" #include "stv0299.h" #include "z0194a.h" +#include "cx24116.h" #ifndef USB_PID_DW2102 #define USB_PID_DW2102 0x2102 #endif +#ifndef USB_PID_DW2104 +#define USB_PID_DW2104 0x2104 +#endif + #define DW2102_READ_MSG 0 #define DW2102_WRITE_MSG 1 #define REG_1F_SYMBOLRATE_BYTE0 0x1f #define REG_20_SYMBOLRATE_BYTE1 0x20 #define REG_21_SYMBOLRATE_BYTE2 0x21 - +/* on my own*/ #define DW2102_VOLTAGE_CTRL (0x1800) #define DW2102_RC_QUERY (0x1a00) @@ -35,22 +41,27 @@ struct dw2102_rc_keys { u32 event; }; +/* debug */ +static int dvb_usb_dw2102_debug; +module_param_named(debug, dvb_usb_dw2102_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer (or-able))." DVB_USB_DEBUG_STATUS); + DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value, - u8 *data, u16 len, int flags) + u16 index, u8 * data, u16 len, int flags) { int ret; u8 u8buf[len]; unsigned int pipe = (flags == DW2102_READ_MSG) ? - usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0); + usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0); u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT; if (flags == DW2102_WRITE_MSG) memcpy(u8buf, data, len); - ret = usb_control_msg(dev, pipe, request, - request_type | USB_TYPE_VENDOR, value, 0 , u8buf, len, 2000); + ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR, + value, index , u8buf, len, 2000); if (flags == DW2102_READ_MSG) memcpy(data, u8buf, len); @@ -65,7 +76,6 @@ static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], struct dvb_usb_device *d = i2c_get_adapdata(adap); int i = 0, ret = 0; u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0}; - u8 request; u16 value; if (!d) @@ -76,12 +86,11 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); switch (num) { case 2: /* read stv0299 register */ - request = 0xb5; value = msg[0].buf[0];/* register */ for (i = 0; i < msg[1].len; i++) { value = value + i; - ret = dw2102_op_rw(d->udev, 0xb5, - value, buf6, 2, DW2102_READ_MSG); + ret = dw2102_op_rw(d->udev, 0xb5, value, 0, + buf6, 2, DW2102_READ_MSG); msg[1].buf[i] = buf6[0]; } @@ -93,8 +102,8 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); buf6[0] = 0x2a; buf6[1] = msg[0].buf[0]; buf6[2] = msg[0].buf[1]; - ret = dw2102_op_rw(d->udev, 0xb2, - 0, buf6, 3, DW2102_WRITE_MSG); + ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, + buf6, 3, DW2102_WRITE_MSG); break; case 0x60: if (msg[0].flags == 0) { @@ -106,26 +115,26 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); buf6[4] = msg[0].buf[1]; buf6[5] = msg[0].buf[2]; buf6[6] = msg[0].buf[3]; - ret = dw2102_op_rw(d->udev, 0xb2, - 0, buf6, 7, DW2102_WRITE_MSG); + ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, + buf6, 7, DW2102_WRITE_MSG); } else { - /* write to tuner pll */ - ret = dw2102_op_rw(d->udev, 0xb5, - 0, buf6, 1, DW2102_READ_MSG); + /* read from tuner */ + ret = dw2102_op_rw(d->udev, 0xb5, 0,0, + buf6, 1, DW2102_READ_MSG); msg[0].buf[0] = buf6[0]; } break; case (DW2102_RC_QUERY): - ret = dw2102_op_rw(d->udev, 0xb8, - 0, buf6, 2, DW2102_READ_MSG); + ret = dw2102_op_rw(d->udev, 0xb8, 0, 0, + buf6, 2, DW2102_READ_MSG); msg[0].buf[0] = buf6[0]; msg[0].buf[1] = buf6[1]; break; case (DW2102_VOLTAGE_CTRL): buf6[0] = 0x30; buf6[1] = msg[0].buf[0]; - ret = dw2102_op_rw(d->udev, 0xb2, - 0, buf6, 2, DW2102_WRITE_MSG); + ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, + buf6, 2, DW2102_WRITE_MSG); break; } @@ -136,6 +145,88 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); return num; } +static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret = 0; + int len, i; + + if (!d) + return -ENODEV; + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + switch (num) { + case 2: { + /* read */ + /* first write first register number */ + u8 ibuf [msg[1].len + 2], obuf[3]; + obuf[0] = 0xaa; + obuf[1] = msg[0].len; + obuf[2] = msg[0].buf[0]; + ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW2102_WRITE_MSG); + /* second read registers */ + ret = dw2102_op_rw(d->udev, 0xc3, 0xab , 0, + ibuf, msg[1].len + 2, DW2102_READ_MSG); + memcpy(msg[1].buf, ibuf + 2, msg[1].len); + + break; + } + case 1: + switch (msg[0].addr) { + case 0x55: { + if (msg[0].buf[0] == 0xf7) { + /* firmware */ + /* Write in small blocks */ + u8 obuf[19]; + obuf[0] = 0xaa; + obuf[1] = 0x11; + obuf[2] = 0xf7; + len = msg[0].len - 1; + i = 1; + do { + memcpy(obuf + 3, msg[0].buf + i, (len > 16 ? 16 : len)); + ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, + obuf, (len > 16 ? 16 : len) + 3, DW2102_WRITE_MSG); + i += 16; + len -= 16; + } while (len > 0); + } else { + /* write to register */ + u8 obuf[msg[0].len + 2]; + obuf[0] = 0xaa; + obuf[1] = msg[0].len; + memcpy(obuf + 2, msg[0].buf, msg[0].len); + ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW2102_WRITE_MSG); + } + break; + } + case(DW2102_RC_QUERY): { + u8 ibuf[2]; + ret = dw2102_op_rw(d->udev, 0xb8, 0, 0, + ibuf, 2, DW2102_READ_MSG); + memcpy(msg[0].buf, ibuf , 2); + break; + } + case(DW2102_VOLTAGE_CTRL): { + u8 obuf[2]; + obuf[0] = 0x30; + obuf[1] = msg[0].buf[0]; + ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, + obuf, 2, DW2102_WRITE_MSG); + break; + } + } + + break; + } + + mutex_unlock(&d->i2c_mutex); + return num; +} + static u32 dw2102_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; @@ -146,6 +237,34 @@ static struct i2c_algorithm dw2102_i2c_algo = { .functionality = dw2102_i2c_func, }; +static struct i2c_algorithm dw2104_i2c_algo = { + .master_xfer = dw2104_i2c_transfer, + .functionality = dw2102_i2c_func, +}; + +static int dw2102_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) +{ + int i; + u8 ibuf[] = {0, 0}; + u8 eeprom[256], eepromline[16]; + + for (i = 0; i < 256; i++) { + if (dw2102_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW2102_READ_MSG) < 0) { + err("read eeprom failed."); + return -1; + } else { + eepromline[i%16] = ibuf[0]; + eeprom[i] = ibuf[0]; + } + if ((i % 16) == 15) { + deb_xfer("%02x: ", i - 15); + debug_dump(eepromline, 16, deb_xfer); + } + } + memcpy(mac, eeprom + 8, 6); + return 0; +}; + static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) { static u8 command_13v[1] = {0x00}; @@ -163,6 +282,22 @@ static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) return 0; } +static struct cx24116_config dw2104_config = { + .demod_address = 0x55, + /*.mpg_clk_pos_pol = 0x01,*/ +}; + +static int dw2104_frontend_attach(struct dvb_usb_adapter *d) +{ + if ((d->fe = dvb_attach(cx24116_attach, &dw2104_config, + &d->dev->i2c_adap)) != NULL) { + d->fe->ops.set_voltage = dw2102_set_voltage; + info("Attached cx24116!\n"); + return 0; + } + return -EIO; +} + static int dw2102_frontend_attach(struct dvb_usb_adapter *d) { d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config, @@ -249,6 +384,8 @@ static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) static struct usb_device_id dw2102_table[] = { {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)}, {USB_DEVICE(USB_VID_CYPRESS, 0x2101)}, + {USB_DEVICE(USB_VID_CYPRESS, 0x2104)}, + {USB_DEVICE(0x9022, 0xd650)}, { } }; @@ -273,25 +410,23 @@ static int dw2102_load_firmware(struct usb_device *dev, return ret; } break; - case USB_PID_DW2102: + default: fw = frmwr; break; } - info("start downloading DW2102 firmware"); + info("start downloading DW210X firmware"); p = kmalloc(fw->size, GFP_KERNEL); reset = 1; /*stop the CPU*/ - dw2102_op_rw(dev, 0xa0, 0x7f92, &reset, 1, DW2102_WRITE_MSG); - dw2102_op_rw(dev, 0xa0, 0xe600, &reset, 1, DW2102_WRITE_MSG); + dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW2102_WRITE_MSG); + dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW2102_WRITE_MSG); if (p != NULL) { memcpy(p, fw->data, fw->size); for (i = 0; i < fw->size; i += 0x40) { b = (u8 *) p + i; - if (dw2102_op_rw - (dev, 0xa0, i, b , 0x40, - DW2102_WRITE_MSG) != 0x40 - ) { + if (dw2102_op_rw(dev, 0xa0, i, 0, b , 0x40, + DW2102_WRITE_MSG) != 0x40) { err("error while transferring firmware"); ret = -EINVAL; break; @@ -299,43 +434,45 @@ static int dw2102_load_firmware(struct usb_device *dev, } /* restart the CPU */ reset = 0; - if (ret || dw2102_op_rw - (dev, 0xa0, 0x7f92, &reset, 1, - DW2102_WRITE_MSG) != 1) { + if (ret || dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, + DW2102_WRITE_MSG) != 1) { err("could not restart the USB controller CPU."); ret = -EINVAL; } - if (ret || dw2102_op_rw - (dev, 0xa0, 0xe600, &reset, 1, - DW2102_WRITE_MSG) != 1) { + if (ret || dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, + DW2102_WRITE_MSG) != 1) { err("could not restart the USB controller CPU."); ret = -EINVAL; } /* init registers */ switch (dev->descriptor.idProduct) { + case USB_PID_DW2104: + case 0xd650: + reset = 1; + dw2102_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1, + DW2102_WRITE_MSG); + reset = 0; + dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, + DW2102_WRITE_MSG); + break; case USB_PID_DW2102: - dw2102_op_rw - (dev, 0xbf, 0x0040, &reset, 0, - DW2102_WRITE_MSG); - dw2102_op_rw - (dev, 0xb9, 0x0000, &reset16[0], 2, - DW2102_READ_MSG); + dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, + DW2102_WRITE_MSG); + dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, + DW2102_READ_MSG); break; case 0x2101: - dw2102_op_rw - (dev, 0xbc, 0x0030, &reset16[0], 2, - DW2102_READ_MSG); - dw2102_op_rw - (dev, 0xba, 0x0000, &reset16[0], 7, - DW2102_READ_MSG); - dw2102_op_rw - (dev, 0xba, 0x0000, &reset16[0], 7, - DW2102_READ_MSG); - dw2102_op_rw - (dev, 0xb9, 0x0000, &reset16[0], 2, - DW2102_READ_MSG); + dw2102_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2, + DW2102_READ_MSG); + dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, + DW2102_READ_MSG); + dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, + DW2102_READ_MSG); + dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, + DW2102_READ_MSG); break; } + msleep(100); kfree(p); } return ret; @@ -358,7 +495,8 @@ static struct dvb_usb_device_properties dw2102_properties = { /* parameter for the MPEG2-data transfer */ .num_adapters = 1, .download_firmware = dw2102_load_firmware, - .adapter = { + .read_mac_address = dw2102_read_mac_address, + .adapter = { { .frontend_attach = dw2102_frontend_attach, .streaming_ctrl = NULL, @@ -388,11 +526,64 @@ static struct dvb_usb_device_properties dw2102_properties = { } }; +static struct dvb_usb_device_properties dw2104_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .firmware = "dvb-usb-dw2104.fw", + .size_of_priv = sizeof(struct dw2102_state), + .no_reconnect = 1, + + .i2c_algo = &dw2104_i2c_algo, + .rc_key_map = dw2102_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys), + .rc_interval = 150, + .rc_query = dw2102_rc_query, + + .generic_bulk_ctrl_endpoint = 0x81, + /* parameter for the MPEG2-data transfer */ + .num_adapters = 1, + .download_firmware = dw2102_load_firmware, + .read_mac_address = dw2102_read_mac_address, + .adapter = { + { + .frontend_attach = dw2104_frontend_attach, + .streaming_ctrl = NULL, + /*.tuner_attach = dw2104_tuner_attach,*/ + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + } + }, + .num_device_descs = 2, + .devices = { + { "DVBWorld DW2104 USB2.0", + {&dw2102_table[2], NULL}, + {NULL}, + }, + { "TeVii S650 USB2.0", + {&dw2102_table[3], NULL}, + {NULL}, + }, + } +}; + static int dw2102_probe(struct usb_interface *intf, const struct usb_device_id *id) { - return dvb_usb_device_init(intf, &dw2102_properties, - THIS_MODULE, NULL, adapter_nr); + if (0 == dvb_usb_device_init(intf, &dw2102_properties, + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &dw2104_properties, + THIS_MODULE, NULL, adapter_nr)) { + return 0; + } + return -ENODEV; } static struct usb_driver dw2102_driver = { @@ -420,6 +611,6 @@ module_init(dw2102_module_init); module_exit(dw2102_module_exit); MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by"); -MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101 2102 USB2.0 device"); +MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104 USB2.0 device"); MODULE_VERSION("0.1"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/dvb-usb/dw2102.h b/drivers/media/dvb/dvb-usb/dw2102.h index 7a310f906837..e3370734e95a 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.h +++ b/drivers/media/dvb/dvb-usb/dw2102.h @@ -4,6 +4,5 @@ #define DVB_USB_LOG_PREFIX "dw2102" #include "dvb-usb.h" -extern int dvb_usb_dw2102_debug; #define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args) #endif -- GitLab From 4e54676895a867621f8451b8d97549172730997d Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 9 Sep 2008 11:29:43 -0300 Subject: [PATCH 3895/6244] V4L/DVB (8992): Kconfig corrections for DVBWorld 2104 and TeVii S650 USB DVB-S2 cards Change menu item in Kconfig for DVBWorld 2104 and TeVii S650 USB DVB-S2 cards Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index b35d7f0db9aa..aee3b5dd651b 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -247,12 +247,14 @@ config DVB_USB_AF9005_REMOTE Afatech AF9005 based receiver. config DVB_USB_DW2102 - tristate "DvbWorld 2102 DVB-S USB2.0 receiver" + tristate "DvbWorld DVB-S/S2 USB2.0 support" depends on DVB_USB - select DVB_STV0299 if !DVB_FE_CUSTOMISE select DVB_PLL if !DVB_FE_CUSTOMISE + select DVB_STV0299 if !DVB_FE_CUSTOMISE + select DVB_CX24116 if !DVB_FE_CUSTOMISE help - Say Y here to support the DvbWorld 2102 DVB-S USB2.0 receiver. + Say Y here to support the DvbWorld DVB-S/S2 USB2.0 receivers + and the TeVii S650. config DVB_USB_ANYSEE tristate "Anysee DVB-T/C USB2.0 support" -- GitLab From 3f8e51add2b7d37f16343e6bdcc63862d87ccd04 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 9 Sep 2008 13:22:29 -0300 Subject: [PATCH 3896/6244] V4L/DVB (8993): cx24116: Fix lock for high (above 30000 kSyms) symbol rates cx24116: Fix lock for high (above 30000 kSyms) symbol rates Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 37 ++++++++++++++++++++++----- 1 file changed, 31 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 1402086a5c44..2ff9e20c595f 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -30,6 +30,11 @@ * Sync with legacy version. * Some clean ups. */ +/* Updates by Igor Liplianin + * + * September, 9th 2008 + * Fixed locking on high symbol rates (>30000). + */ #include #include @@ -809,7 +814,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par struct tv_frontend_properties *c = &fe->tv_property_cache; struct cx24116_cmd cmd; fe_status_t tunerstat; - int ret; + int ret, above30msps; u8 retune=4; dprintk("%s()\n",__func__); @@ -839,6 +844,16 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par if (state->config->set_ts_params) state->config->set_ts_params(fe, 0); + above30msps = (state->dcur.symbol_rate > 30000000); + + if (above30msps){ + cx24116_writereg(state, 0xF9, 0x01); + cx24116_writereg(state, 0xF3, 0x44); + } else { + cx24116_writereg(state, 0xF9, 0x00); + cx24116_writereg(state, 0xF3, 0x46); + } + /* Prepare a tune request */ cmd.args[0x00] = CMD_TUNEREQUEST; @@ -866,11 +881,21 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par cmd.args[0x0b] = 0x00; cmd.args[0x0c] = 0x02; cmd.args[0x0d] = state->dcur.fec_mask; - cmd.args[0x0e] = 0x06; - cmd.args[0x0f] = 0x00; - cmd.args[0x10] = 0x00; - cmd.args[0x11] = 0xFA; - cmd.args[0x12] = 0x24; + + if (above30msps){ + cmd.args[0x0e] = 0x04; + cmd.args[0x0f] = 0x00; + cmd.args[0x10] = 0x01; + cmd.args[0x11] = 0x77; + cmd.args[0x12] = 0x36; + } else { + cmd.args[0x0e] = 0x06; + cmd.args[0x0f] = 0x00; + cmd.args[0x10] = 0x00; + cmd.args[0x11] = 0xFA; + cmd.args[0x12] = 0x24; + } + cmd.len= 0x13; /* We need to support pilot and non-pilot tuning in the -- GitLab From cc8c4f3a9c8dacff198438debd159ae4753744fc Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 9 Sep 2008 13:57:47 -0300 Subject: [PATCH 3897/6244] V4L/DVB (8994): Adjust MPEG initialization in cx24116 Adjust MPEG initialization in cx24116 in order to accomodate different MPEG CLK position and polarity in different cards. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dw2102.c | 2 +- drivers/media/dvb/frontends/cx24116.c | 5 ++++- drivers/media/dvb/frontends/cx24116.h | 3 +++ 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index 0f3f962b35bf..ad3d6fca9ab8 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -284,7 +284,7 @@ static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) static struct cx24116_config dw2104_config = { .demod_address = 0x55, - /*.mpg_clk_pos_pol = 0x01,*/ + .mpg_clk_pos_pol = 0x01, }; static int dw2104_frontend_attach(struct dvb_usb_adapter *d) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 2ff9e20c595f..666a0d89e83c 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -478,7 +478,10 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware cmd.args[0x01] = 0x01; cmd.args[0x02] = 0x75; cmd.args[0x03] = 0x00; - cmd.args[0x04] = 0x02; + if (state->config->mpg_clk_pos_pol) + cmd.args[0x04] = state->config->mpg_clk_pos_pol; + else + cmd.args[0x04] = 0x02; cmd.args[0x05] = 0x00; cmd.len= 0x06; ret = cx24116_cmd_execute(fe, &cmd); diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h index 27896725204a..8dbcec268394 100644 --- a/drivers/media/dvb/frontends/cx24116.h +++ b/drivers/media/dvb/frontends/cx24116.h @@ -33,6 +33,9 @@ struct cx24116_config /* Need to reset device during firmware loading */ int (*reset_device)(struct dvb_frontend* fe); + + /* Need to set MPEG parameters */ + u8 mpg_clk_pos_pol:0x02; }; #if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE) -- GitLab From 56f0680a28397f4b412fc14f60ac380b910ee328 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 11 Sep 2008 10:19:27 -0300 Subject: [PATCH 3898/6244] V4L/DVB (8995): S2API: tv_ / TV_ to dtv_ / DTV_ namespace changes The group preferred dtv_ over tv_, this implements it. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 442 +++++++++++----------- drivers/media/dvb/dvb-core/dvb_frontend.h | 8 +- drivers/media/dvb/frontends/cx24116.c | 6 +- include/linux/dvb/frontend.h | 108 +++--- 4 files changed, 282 insertions(+), 282 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 620c62084029..9c4761506d2d 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -755,235 +755,235 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe, return 0; } -struct tv_cmds_h tv_cmds[] = { - [TV_SEQ_UNDEFINED] = { - .name = "TV_SEQ_UNDEFINED", - .cmd = TV_SEQ_UNDEFINED, +struct dtv_cmds_h dtv_cmds[] = { + [DTV_SEQ_UNDEFINED] = { + .name = "DTV_SEQ_UNDEFINED", + .cmd = DTV_SEQ_UNDEFINED, .set = 1, }, - [TV_SEQ_START] = { - .name = "TV_SEQ_START", - .cmd = TV_SEQ_START, + [DTV_SEQ_START] = { + .name = "DTV_SEQ_START", + .cmd = DTV_SEQ_START, .set = 1, }, - [TV_SEQ_CONTINUE] = { - .name = "TV_SEQ_CONTINUE", - .cmd = TV_SEQ_CONTINUE, + [DTV_SEQ_CONTINUE] = { + .name = "DTV_SEQ_CONTINUE", + .cmd = DTV_SEQ_CONTINUE, .set = 1, }, - [TV_SEQ_COMPLETE] = { - .name = "TV_SEQ_COMPLETE", - .cmd = TV_SEQ_COMPLETE, + [DTV_SEQ_COMPLETE] = { + .name = "DTV_SEQ_COMPLETE", + .cmd = DTV_SEQ_COMPLETE, .set = 1, }, - [TV_SEQ_TERMINATE] = { - .name = "TV_SEQ_TERMINATE", - .cmd = TV_SEQ_TERMINATE, + [DTV_SEQ_TERMINATE] = { + .name = "DTV_SEQ_TERMINATE", + .cmd = DTV_SEQ_TERMINATE, .set = 1, }, /* Set */ - [TV_SET_FREQUENCY] = { - .name = "TV_SET_FREQUENCY", - .cmd = TV_SET_FREQUENCY, + [DTV_SET_FREQUENCY] = { + .name = "DTV_SET_FREQUENCY", + .cmd = DTV_SET_FREQUENCY, .set = 1, }, - [TV_SET_BANDWIDTH] = { - .name = "TV_SET_BANDWIDTH", - .cmd = TV_SET_BANDWIDTH, + [DTV_SET_BANDWIDTH] = { + .name = "DTV_SET_BANDWIDTH", + .cmd = DTV_SET_BANDWIDTH, .set = 1, }, - [TV_SET_MODULATION] = { - .name = "TV_SET_MODULATION", - .cmd = TV_SET_MODULATION, + [DTV_SET_MODULATION] = { + .name = "DTV_SET_MODULATION", + .cmd = DTV_SET_MODULATION, .set = 1, }, - [TV_SET_INVERSION] = { - .name = "TV_SET_INVERSION", - .cmd = TV_SET_INVERSION, + [DTV_SET_INVERSION] = { + .name = "DTV_SET_INVERSION", + .cmd = DTV_SET_INVERSION, .set = 1, }, - [TV_SET_DISEQC_MASTER] = { - .name = "TV_SET_DISEQC_MASTER", - .cmd = TV_SET_DISEQC_MASTER, + [DTV_SET_DISEQC_MASTER] = { + .name = "DTV_SET_DISEQC_MASTER", + .cmd = DTV_SET_DISEQC_MASTER, .set = 1, .buffer = 1, }, - [TV_SET_SYMBOLRATE] = { - .name = "TV_SET_SYMBOLRATE", - .cmd = TV_SET_SYMBOLRATE, + [DTV_SET_SYMBOLRATE] = { + .name = "DTV_SET_SYMBOLRATE", + .cmd = DTV_SET_SYMBOLRATE, .set = 1, }, - [TV_SET_INNERFEC] = { - .name = "TV_SET_INNERFEC", - .cmd = TV_SET_INNERFEC, + [DTV_SET_INNERFEC] = { + .name = "DTV_SET_INNERFEC", + .cmd = DTV_SET_INNERFEC, .set = 1, }, - [TV_SET_VOLTAGE] = { - .name = "TV_SET_VOLTAGE", - .cmd = TV_SET_VOLTAGE, + [DTV_SET_VOLTAGE] = { + .name = "DTV_SET_VOLTAGE", + .cmd = DTV_SET_VOLTAGE, .set = 1, }, - [TV_SET_TONE] = { - .name = "TV_SET_TONE", - .cmd = TV_SET_TONE, + [DTV_SET_TONE] = { + .name = "DTV_SET_TONE", + .cmd = DTV_SET_TONE, .set = 1, }, - [TV_SET_PILOT] = { - .name = "TV_SET_PILOT", - .cmd = TV_SET_PILOT, + [DTV_SET_PILOT] = { + .name = "DTV_SET_PILOT", + .cmd = DTV_SET_PILOT, .set = 1, }, - [TV_SET_ROLLOFF] = { - .name = "TV_SET_ROLLOFF", - .cmd = TV_SET_ROLLOFF, + [DTV_SET_ROLLOFF] = { + .name = "DTV_SET_ROLLOFF", + .cmd = DTV_SET_ROLLOFF, .set = 1, }, - [TV_SET_DELIVERY_SYSTEM] = { - .name = "TV_SET_DELIVERY_SYSTEM", - .cmd = TV_SET_DELIVERY_SYSTEM, + [DTV_SET_DELIVERY_SYSTEM] = { + .name = "DTV_SET_DELIVERY_SYSTEM", + .cmd = DTV_SET_DELIVERY_SYSTEM, .set = 1, }, - [TV_SET_ISDB_SEGMENT_NUM] = { - .name = "TV_SET_ISDB_SEGMENT_NUM", - .cmd = TV_SET_ISDB_SEGMENT_NUM, + [DTV_SET_ISDB_SEGMENT_NUM] = { + .name = "DTV_SET_ISDB_SEGMENT_NUM", + .cmd = DTV_SET_ISDB_SEGMENT_NUM, .set = 1, }, - [TV_SET_ISDB_SEGMENT_WIDTH] = { - .name = "TV_SET_ISDB_SEGMENT_WIDTH", - .cmd = TV_SET_ISDB_SEGMENT_WIDTH, + [DTV_SET_ISDB_SEGMENT_WIDTH] = { + .name = "DTV_SET_ISDB_SEGMENT_WIDTH", + .cmd = DTV_SET_ISDB_SEGMENT_WIDTH, .set = 1, }, /* Get */ - [TV_GET_FREQUENCY] = { - .name = "TV_GET_FREQUENCY", - .cmd = TV_GET_FREQUENCY, + [DTV_GET_FREQUENCY] = { + .name = "DTV_GET_FREQUENCY", + .cmd = DTV_GET_FREQUENCY, .set = 0, }, - [TV_GET_BANDWIDTH] = { - .name = "TV_GET_BANDWIDTH", - .cmd = TV_GET_BANDWIDTH, + [DTV_GET_BANDWIDTH] = { + .name = "DTV_GET_BANDWIDTH", + .cmd = DTV_GET_BANDWIDTH, .set = 0, }, - [TV_GET_MODULATION] = { - .name = "TV_GET_MODULATION", - .cmd = TV_GET_MODULATION, + [DTV_GET_MODULATION] = { + .name = "DTV_GET_MODULATION", + .cmd = DTV_GET_MODULATION, .set = 0, }, - [TV_GET_INVERSION] = { - .name = "TV_GET_INVERSION", - .cmd = TV_GET_INVERSION, + [DTV_GET_INVERSION] = { + .name = "DTV_GET_INVERSION", + .cmd = DTV_GET_INVERSION, .set = 0, }, - [TV_GET_DISEQC_SLAVE_REPLY] = { - .name = "TV_GET_DISEQC_SLAVE_REPLY", - .cmd = TV_GET_DISEQC_SLAVE_REPLY, + [DTV_GET_DISEQC_SLAVE_REPLY] = { + .name = "DTV_GET_DISEQC_SLAVE_REPLY", + .cmd = DTV_GET_DISEQC_SLAVE_REPLY, .set = 0, .buffer = 1, }, - [TV_GET_SYMBOLRATE] = { - .name = "TV_GET_SYMBOLRATE", - .cmd = TV_GET_SYMBOLRATE, + [DTV_GET_SYMBOLRATE] = { + .name = "DTV_GET_SYMBOLRATE", + .cmd = DTV_GET_SYMBOLRATE, .set = 0, }, - [TV_GET_INNERFEC] = { - .name = "TV_GET_INNERFEC", - .cmd = TV_GET_INNERFEC, + [DTV_GET_INNERFEC] = { + .name = "DTV_GET_INNERFEC", + .cmd = DTV_GET_INNERFEC, .set = 0, }, - [TV_GET_VOLTAGE] = { - .name = "TV_GET_VOLTAGE", - .cmd = TV_GET_VOLTAGE, + [DTV_GET_VOLTAGE] = { + .name = "DTV_GET_VOLTAGE", + .cmd = DTV_GET_VOLTAGE, .set = 0, }, - [TV_GET_TONE] = { - .name = "TV_GET_TONE", - .cmd = TV_GET_TONE, + [DTV_GET_TONE] = { + .name = "DTV_GET_TONE", + .cmd = DTV_GET_TONE, .set = 0, }, - [TV_GET_PILOT] = { - .name = "TV_GET_PILOT", - .cmd = TV_GET_PILOT, + [DTV_GET_PILOT] = { + .name = "DTV_GET_PILOT", + .cmd = DTV_GET_PILOT, .set = 0, }, - [TV_GET_ROLLOFF] = { - .name = "TV_GET_ROLLOFF", - .cmd = TV_GET_ROLLOFF, + [DTV_GET_ROLLOFF] = { + .name = "DTV_GET_ROLLOFF", + .cmd = DTV_GET_ROLLOFF, .set = 0, }, - [TV_GET_DELIVERY_SYSTEM] = { - .name = "TV_GET_DELIVERY_SYSTEM", - .cmd = TV_GET_DELIVERY_SYSTEM, + [DTV_GET_DELIVERY_SYSTEM] = { + .name = "DTV_GET_DELIVERY_SYSTEM", + .cmd = DTV_GET_DELIVERY_SYSTEM, .set = 0, }, - [TV_GET_ISDB_SEGMENT_NUM] = { - .name = "TV_GET_ISDB_SEGMENT_NUM", - .cmd = TV_GET_ISDB_SEGMENT_NUM, + [DTV_GET_ISDB_SEGMENT_NUM] = { + .name = "DTV_GET_ISDB_SEGMENT_NUM", + .cmd = DTV_GET_ISDB_SEGMENT_NUM, .set = 0, }, - [TV_GET_ISDB_SEGMENT_WIDTH] = { - .name = "TV_GET_ISDB_SEGMENT_WIDTH", - .cmd = TV_GET_ISDB_SEGMENT_WIDTH, + [DTV_GET_ISDB_SEGMENT_WIDTH] = { + .name = "DTV_GET_ISDB_SEGMENT_WIDTH", + .cmd = DTV_GET_ISDB_SEGMENT_WIDTH, .set = 0, }, - [TV_GET_ISDB_LAYERA_FEC] = { - .name = "TV_GET_ISDB_LAYERA_FEC", - .cmd = TV_GET_ISDB_LAYERA_FEC, + [DTV_GET_ISDB_LAYERA_FEC] = { + .name = "DTV_GET_ISDB_LAYERA_FEC", + .cmd = DTV_GET_ISDB_LAYERA_FEC, .set = 0, }, - [TV_GET_ISDB_LAYERA_MODULATION] = { - .name = "TV_GET_ISDB_LAYERA_MODULATION", - .cmd = TV_GET_ISDB_LAYERA_MODULATION, + [DTV_GET_ISDB_LAYERA_MODULATION] = { + .name = "DTV_GET_ISDB_LAYERA_MODULATION", + .cmd = DTV_GET_ISDB_LAYERA_MODULATION, .set = 0, }, - [TV_GET_ISDB_LAYERA_SEGMENT_WIDTH] = { - .name = "TV_GET_ISDB_LAYERA_SEGMENT_WIDTH", - .cmd = TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + [DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH] = { + .name = "DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH", + .cmd = DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH, .set = 0, }, - [TV_GET_ISDB_LAYERB_FEC] = { - .name = "TV_GET_ISDB_LAYERB_FEC", - .cmd = TV_GET_ISDB_LAYERB_FEC, + [DTV_GET_ISDB_LAYERB_FEC] = { + .name = "DTV_GET_ISDB_LAYERB_FEC", + .cmd = DTV_GET_ISDB_LAYERB_FEC, .set = 0, }, - [TV_GET_ISDB_LAYERB_MODULATION] = { - .name = "TV_GET_ISDB_LAYERB_MODULATION", - .cmd = TV_GET_ISDB_LAYERB_MODULATION, + [DTV_GET_ISDB_LAYERB_MODULATION] = { + .name = "DTV_GET_ISDB_LAYERB_MODULATION", + .cmd = DTV_GET_ISDB_LAYERB_MODULATION, .set = 0, }, - [TV_GET_ISDB_LAYERB_SEGMENT_WIDTH] = { - .name = "TV_GET_ISDB_LAYERB_SEGMENT_WIDTH", - .cmd = TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + [DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH] = { + .name = "DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH", + .cmd = DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH, .set = 0, }, - [TV_GET_ISDB_LAYERC_FEC] = { - .name = "TV_GET_ISDB_LAYERC_FEC", - .cmd = TV_GET_ISDB_LAYERC_FEC, + [DTV_GET_ISDB_LAYERC_FEC] = { + .name = "DTV_GET_ISDB_LAYERC_FEC", + .cmd = DTV_GET_ISDB_LAYERC_FEC, .set = 0, }, - [TV_GET_ISDB_LAYERC_MODULATION] = { - .name = "TV_GET_ISDB_LAYERC_MODULATION", - .cmd = TV_GET_ISDB_LAYERC_MODULATION, + [DTV_GET_ISDB_LAYERC_MODULATION] = { + .name = "DTV_GET_ISDB_LAYERC_MODULATION", + .cmd = DTV_GET_ISDB_LAYERC_MODULATION, .set = 0, }, - [TV_GET_ISDB_LAYERC_SEGMENT_WIDTH] = { - .name = "TV_GET_ISDB_LAYERC_SEGMENT_WIDTH", - .cmd = TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + [DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH] = { + .name = "DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH", + .cmd = DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH, .set = 0, }, }; -void tv_property_dump(tv_property_t *tvp) +void dtv_property_dump(dtv_property_t *tvp) { int i; printk("%s() tvp.cmd = 0x%08x (%s)\n" ,__FUNCTION__ ,tvp->cmd - ,tv_cmds[ tvp->cmd ].name); + ,dtv_cmds[ tvp->cmd ].name); - if(tv_cmds[ tvp->cmd ].buffer) { + if(dtv_cmds[ tvp->cmd ].buffer) { printk("%s() tvp.u.buffer.len = 0x%02x\n" ,__FUNCTION__ @@ -1008,7 +1008,7 @@ int is_legacy_delivery_system(fe_delivery_system_t s) return 0; } -int tv_property_cache_submit(struct dvb_frontend *fe) +int dtv_property_cache_submit(struct dvb_frontend *fe) { /* We have to do one of two things: @@ -1036,7 +1036,7 @@ int tv_property_cache_submit(struct dvb_frontend *fe) int r; - struct tv_frontend_properties *c = &fe->tv_property_cache; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct dvb_frontend_private *fepriv = fe->frontend_priv; struct dvb_frontend_parameters p; @@ -1115,7 +1115,7 @@ int tv_property_cache_submit(struct dvb_frontend *fe) case _16APSK: case NBC_QPSK: /* Just post a notification to the demod driver and let it pull - * the specific values it wants from its tv_property_cache. + * the specific values it wants from its dtv_property_cache. * It can decide how best to use those parameters. * IOCTL will call set_frontend (by default) due to zigzag * support etc. @@ -1161,147 +1161,147 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, unsigned int cmd, void *parg); -int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp, +int dtv_property_process(struct dvb_frontend *fe, dtv_property_t *tvp, struct inode *inode, struct file *file) { int r = 0; struct dvb_frontend_private *fepriv = fe->frontend_priv; printk("%s()\n", __FUNCTION__); - tv_property_dump(tvp); + dtv_property_dump(tvp); switch(tvp->cmd) { - case TV_SEQ_START: - case TV_SEQ_TERMINATE: + case DTV_SEQ_START: + case DTV_SEQ_TERMINATE: /* Reset a cache of data specific to the frontend here. This does * not effect hardware. */ printk("%s() Flushing property cache\n", __FUNCTION__); - memset(&fe->tv_property_cache, 0, sizeof(struct tv_frontend_properties)); - fe->tv_property_cache.state = TV_SEQ_START; - fe->tv_property_cache.delivery_system = SYS_UNDEFINED; + memset(&fe->dtv_property_cache, 0, sizeof(struct dtv_frontend_properties)); + fe->dtv_property_cache.state = DTV_SEQ_START; + fe->dtv_property_cache.delivery_system = SYS_UNDEFINED; break; - case TV_SEQ_COMPLETE: + case DTV_SEQ_COMPLETE: /* interpret the cache of data, build either a traditional frontend * tunerequest and submit it to a subset of the ioctl handler, * or, call a new undefined method on the frontend to deal with * all new tune requests. */ - fe->tv_property_cache.state = TV_SEQ_COMPLETE; + fe->dtv_property_cache.state = DTV_SEQ_COMPLETE; printk("%s() Finalised property cache\n", __FUNCTION__); - r |= tv_property_cache_submit(fe); + r |= dtv_property_cache_submit(fe); r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, &fepriv->parameters); break; - case TV_SET_FREQUENCY: - fe->tv_property_cache.frequency = tvp->u.data; + case DTV_SET_FREQUENCY: + fe->dtv_property_cache.frequency = tvp->u.data; break; - case TV_GET_FREQUENCY: - tvp->u.data = fe->tv_property_cache.frequency; + case DTV_GET_FREQUENCY: + tvp->u.data = fe->dtv_property_cache.frequency; break; - case TV_SET_MODULATION: - fe->tv_property_cache.modulation = tvp->u.data; + case DTV_SET_MODULATION: + fe->dtv_property_cache.modulation = tvp->u.data; break; - case TV_GET_MODULATION: - tvp->u.data = fe->tv_property_cache.modulation; + case DTV_GET_MODULATION: + tvp->u.data = fe->dtv_property_cache.modulation; break; - case TV_SET_BANDWIDTH: - fe->tv_property_cache.bandwidth = tvp->u.data; + case DTV_SET_BANDWIDTH: + fe->dtv_property_cache.bandwidth = tvp->u.data; break; - case TV_GET_BANDWIDTH: - tvp->u.data = fe->tv_property_cache.bandwidth; + case DTV_GET_BANDWIDTH: + tvp->u.data = fe->dtv_property_cache.bandwidth; break; - case TV_SET_INVERSION: - fe->tv_property_cache.inversion = tvp->u.data; + case DTV_SET_INVERSION: + fe->dtv_property_cache.inversion = tvp->u.data; break; - case TV_GET_INVERSION: - tvp->u.data = fe->tv_property_cache.inversion; + case DTV_GET_INVERSION: + tvp->u.data = fe->dtv_property_cache.inversion; break; - case TV_SET_SYMBOLRATE: - fe->tv_property_cache.symbol_rate = tvp->u.data; + case DTV_SET_SYMBOLRATE: + fe->dtv_property_cache.symbol_rate = tvp->u.data; break; - case TV_GET_SYMBOLRATE: - tvp->u.data = fe->tv_property_cache.symbol_rate; + case DTV_GET_SYMBOLRATE: + tvp->u.data = fe->dtv_property_cache.symbol_rate; break; - case TV_SET_INNERFEC: - fe->tv_property_cache.fec_inner = tvp->u.data; + case DTV_SET_INNERFEC: + fe->dtv_property_cache.fec_inner = tvp->u.data; break; - case TV_GET_INNERFEC: - tvp->u.data = fe->tv_property_cache.fec_inner; + case DTV_GET_INNERFEC: + tvp->u.data = fe->dtv_property_cache.fec_inner; break; - case TV_SET_PILOT: - fe->tv_property_cache.pilot = tvp->u.data; + case DTV_SET_PILOT: + fe->dtv_property_cache.pilot = tvp->u.data; break; - case TV_GET_PILOT: - tvp->u.data = fe->tv_property_cache.pilot; + case DTV_GET_PILOT: + tvp->u.data = fe->dtv_property_cache.pilot; break; - case TV_SET_ROLLOFF: - fe->tv_property_cache.rolloff = tvp->u.data; + case DTV_SET_ROLLOFF: + fe->dtv_property_cache.rolloff = tvp->u.data; break; - case TV_GET_ROLLOFF: - tvp->u.data = fe->tv_property_cache.rolloff; + case DTV_GET_ROLLOFF: + tvp->u.data = fe->dtv_property_cache.rolloff; break; - case TV_SET_DELIVERY_SYSTEM: - fe->tv_property_cache.delivery_system = tvp->u.data; + case DTV_SET_DELIVERY_SYSTEM: + fe->dtv_property_cache.delivery_system = tvp->u.data; break; - case TV_GET_DELIVERY_SYSTEM: - tvp->u.data = fe->tv_property_cache.delivery_system; + case DTV_GET_DELIVERY_SYSTEM: + tvp->u.data = fe->dtv_property_cache.delivery_system; break; /* ISDB-T Support here */ - case TV_SET_ISDB_SEGMENT_NUM: - fe->tv_property_cache.isdb_segment_num = tvp->u.data; + case DTV_SET_ISDB_SEGMENT_NUM: + fe->dtv_property_cache.isdb_segment_num = tvp->u.data; break; - case TV_GET_ISDB_SEGMENT_NUM: - tvp->u.data = fe->tv_property_cache.isdb_segment_num; + case DTV_GET_ISDB_SEGMENT_NUM: + tvp->u.data = fe->dtv_property_cache.isdb_segment_num; break; - case TV_SET_ISDB_SEGMENT_WIDTH: - fe->tv_property_cache.isdb_segment_width = tvp->u.data; + case DTV_SET_ISDB_SEGMENT_WIDTH: + fe->dtv_property_cache.isdb_segment_width = tvp->u.data; break; - case TV_GET_ISDB_SEGMENT_WIDTH: - tvp->u.data = fe->tv_property_cache.isdb_segment_width; + case DTV_GET_ISDB_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_segment_width; break; - case TV_GET_ISDB_LAYERA_FEC: - tvp->u.data = fe->tv_property_cache.isdb_layera_fec; + case DTV_GET_ISDB_LAYERA_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layera_fec; break; - case TV_GET_ISDB_LAYERA_MODULATION: - tvp->u.data = fe->tv_property_cache.isdb_layera_modulation; + case DTV_GET_ISDB_LAYERA_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layera_modulation; break; - case TV_GET_ISDB_LAYERA_SEGMENT_WIDTH: - tvp->u.data = fe->tv_property_cache.isdb_layera_segment_width; + case DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layera_segment_width; break; - case TV_GET_ISDB_LAYERB_FEC: - tvp->u.data = fe->tv_property_cache.isdb_layerb_fec; + case DTV_GET_ISDB_LAYERB_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_fec; break; - case TV_GET_ISDB_LAYERB_MODULATION: - tvp->u.data = fe->tv_property_cache.isdb_layerb_modulation; + case DTV_GET_ISDB_LAYERB_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_modulation; break; - case TV_GET_ISDB_LAYERB_SEGMENT_WIDTH: - tvp->u.data = fe->tv_property_cache.isdb_layerb_segment_width; + case DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_segment_width; break; - case TV_GET_ISDB_LAYERC_FEC: - tvp->u.data = fe->tv_property_cache.isdb_layerc_fec; + case DTV_GET_ISDB_LAYERC_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_fec; break; - case TV_GET_ISDB_LAYERC_MODULATION: - tvp->u.data = fe->tv_property_cache.isdb_layerc_modulation; + case DTV_GET_ISDB_LAYERC_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_modulation; break; - case TV_GET_ISDB_LAYERC_SEGMENT_WIDTH: - tvp->u.data = fe->tv_property_cache.isdb_layerc_segment_width; + case DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_segment_width; break; - case TV_SET_VOLTAGE: - fe->tv_property_cache.voltage = tvp->u.data; + case DTV_SET_VOLTAGE: + fe->dtv_property_cache.voltage = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE, - (void *)fe->tv_property_cache.voltage); + (void *)fe->dtv_property_cache.voltage); break; - case TV_GET_VOLTAGE: - tvp->u.data = fe->tv_property_cache.voltage; + case DTV_GET_VOLTAGE: + tvp->u.data = fe->dtv_property_cache.voltage; break; - case TV_SET_TONE: - fe->tv_property_cache.sectone = tvp->u.data; + case DTV_SET_TONE: + fe->dtv_property_cache.sectone = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE, - (void *)fe->tv_property_cache.sectone); + (void *)fe->dtv_property_cache.sectone); break; - case TV_GET_TONE: - tvp->u.data = fe->tv_property_cache.sectone; + case DTV_GET_TONE: + tvp->u.data = fe->dtv_property_cache.sectone; break; } @@ -1344,7 +1344,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; int err = -EOPNOTSUPP; - tv_property_t *tvp; + dtv_property_t *tvp; dprintk("%s\n", __func__); @@ -1355,14 +1355,14 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, /* TODO: ioctl userdata out of range check here */ tvp = parg; - while(tvp->cmd != TV_SEQ_UNDEFINED) { - tv_property_process(fe, tvp, inode, file); - if( (tvp->cmd == TV_SEQ_TERMINATE) || (tvp->cmd == TV_SEQ_COMPLETE) ) + while(tvp->cmd != DTV_SEQ_UNDEFINED) { + dtv_property_process(fe, tvp, inode, file); + if( (tvp->cmd == DTV_SEQ_TERMINATE) || (tvp->cmd == DTV_SEQ_COMPLETE) ) break; tvp++; } - if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } err = 0; @@ -1545,7 +1545,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { err = -EINVAL; break; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 61d53ee70f2a..f376f281cde2 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -170,8 +170,8 @@ struct dvb_frontend_ops { struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; - int (*set_property)(struct dvb_frontend* fe, tv_property_t* tvp); - int (*get_property)(struct dvb_frontend* fe, tv_property_t* tvp); + int (*set_property)(struct dvb_frontend* fe, dtv_property_t* tvp); + int (*get_property)(struct dvb_frontend* fe, dtv_property_t* tvp); int (*set_params)(struct dvb_frontend* fe); }; @@ -186,7 +186,7 @@ struct dvb_fe_events { struct mutex mtx; }; -struct tv_frontend_properties { +struct dtv_frontend_properties { /* Cache State */ u32 state; @@ -233,7 +233,7 @@ struct dvb_frontend { void *frontend_priv; void *sec_priv; void *analog_demod_priv; - struct tv_frontend_properties tv_property_cache; + struct dtv_frontend_properties dtv_property_cache; }; extern int dvb_register_frontend(struct dvb_adapter *dvb, diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 666a0d89e83c..f150fa24ff9f 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -776,7 +776,7 @@ error: static int cx24116_get_params(struct dvb_frontend* fe) { struct cx24116_state *state = fe->demodulator_priv; - struct tv_frontend_properties *cache = &fe->tv_property_cache; + struct dtv_frontend_properties *cache = &fe->dtv_property_cache; dprintk("%s()\n",__func__); @@ -796,7 +796,7 @@ static int cx24116_initfe(struct dvb_frontend* fe) return cx24116_diseqc_init(fe); } -static int cx24116_set_property(struct dvb_frontend *fe, tv_property_t* tvp) +static int cx24116_set_property(struct dvb_frontend *fe, dtv_property_t* tvp) { dprintk("%s(..)\n", __func__); return 0; @@ -814,7 +814,7 @@ static int cx24116_set_params(struct dvb_frontend *fe) static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) { struct cx24116_state *state = fe->demodulator_priv; - struct tv_frontend_properties *c = &fe->tv_property_cache; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct cx24116_cmd cmd; fe_status_t tunerstat; int ret, above30msps; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 4d3770021736..aeace74b5366 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -250,61 +250,61 @@ struct dvb_frontend_event { * don't insert random new commands and break backwards * binary compatability. */ -typedef enum tv_cmd_types { - TV_SEQ_UNDEFINED, - TV_SEQ_START, - TV_SEQ_CONTINUE, - TV_SEQ_COMPLETE, - TV_SEQ_TERMINATE, - - TV_SET_FREQUENCY, - TV_SET_MODULATION, - TV_SET_BANDWIDTH, - TV_SET_INVERSION, - TV_SET_DISEQC_MASTER, - TV_SET_SYMBOLRATE, - TV_SET_INNERFEC, - TV_SET_VOLTAGE, - TV_SET_TONE, - TV_SET_PILOT, - TV_SET_ROLLOFF, - - TV_GET_FREQUENCY, - TV_GET_MODULATION, - TV_GET_BANDWIDTH, - TV_GET_INVERSION, - TV_GET_DISEQC_SLAVE_REPLY, - TV_GET_SYMBOLRATE, - TV_GET_INNERFEC, - TV_GET_VOLTAGE, - TV_GET_TONE, - TV_GET_PILOT, - TV_GET_ROLLOFF, +typedef enum dtv_cmd_types { + DTV_SEQ_UNDEFINED, + DTV_SEQ_START, + DTV_SEQ_CONTINUE, + DTV_SEQ_COMPLETE, + DTV_SEQ_TERMINATE, + + DTV_SET_FREQUENCY, + DTV_SET_MODULATION, + DTV_SET_BANDWIDTH, + DTV_SET_INVERSION, + DTV_SET_DISEQC_MASTER, + DTV_SET_SYMBOLRATE, + DTV_SET_INNERFEC, + DTV_SET_VOLTAGE, + DTV_SET_TONE, + DTV_SET_PILOT, + DTV_SET_ROLLOFF, + + DTV_GET_FREQUENCY, + DTV_GET_MODULATION, + DTV_GET_BANDWIDTH, + DTV_GET_INVERSION, + DTV_GET_DISEQC_SLAVE_REPLY, + DTV_GET_SYMBOLRATE, + DTV_GET_INNERFEC, + DTV_GET_VOLTAGE, + DTV_GET_TONE, + DTV_GET_PILOT, + DTV_GET_ROLLOFF, /* Basic enumeration set for querying unlimited capabilities */ - TV_GET_FE_CAPABILITY_COUNT, - TV_GET_FE_CAPABILITY, + DTV_GET_FE_CAPABILITY_COUNT, + DTV_GET_FE_CAPABILITY, /* New commands are always appended */ - TV_SET_DELIVERY_SYSTEM, - TV_GET_DELIVERY_SYSTEM, + DTV_SET_DELIVERY_SYSTEM, + DTV_GET_DELIVERY_SYSTEM, /* ISDB-T */ - TV_SET_ISDB_SEGMENT_NUM, - TV_GET_ISDB_SEGMENT_NUM, - TV_SET_ISDB_SEGMENT_WIDTH, - TV_GET_ISDB_SEGMENT_WIDTH, - TV_GET_ISDB_LAYERA_FEC, - TV_GET_ISDB_LAYERA_MODULATION, - TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, - TV_GET_ISDB_LAYERB_FEC, - TV_GET_ISDB_LAYERB_MODULATION, - TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, - TV_GET_ISDB_LAYERC_FEC, - TV_GET_ISDB_LAYERC_MODULATION, - TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, - -} tv_cmd_types_t; + DTV_SET_ISDB_SEGMENT_NUM, + DTV_GET_ISDB_SEGMENT_NUM, + DTV_SET_ISDB_SEGMENT_WIDTH, + DTV_GET_ISDB_SEGMENT_WIDTH, + DTV_GET_ISDB_LAYERA_FEC, + DTV_GET_ISDB_LAYERA_MODULATION, + DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + DTV_GET_ISDB_LAYERB_FEC, + DTV_GET_ISDB_LAYERB_MODULATION, + DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + DTV_GET_ISDB_LAYERC_FEC, + DTV_GET_ISDB_LAYERC_MODULATION, + DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + +} dtv_cmd_types_t; typedef enum fe_pilot { PILOT_ON, @@ -337,7 +337,7 @@ typedef enum fe_delivery_system { SYS_DAB, } fe_delivery_system_t; -struct tv_cmds_h { +struct dtv_cmds_h { char *name; /* A display name for debugging purposes */ __u32 cmd; /* A unique ID */ @@ -357,13 +357,13 @@ typedef struct { __u32 len; } buffer; } u; -} tv_property_t; +} dtv_property_t; /* No more than 16 properties during any given ioctl */ -typedef tv_property_t tv_properties_t[16]; +typedef dtv_property_t dtv_properties_t[16]; -#define FE_SET_PROPERTY _IOW('o', 82, tv_properties_t) -#define FE_GET_PROPERTY _IOR('o', 83, tv_properties_t) +#define FE_SET_PROPERTY _IOW('o', 82, dtv_properties_t) +#define FE_GET_PROPERTY _IOR('o', 83, dtv_properties_t) /** -- GitLab From e7fee0f3aa111d42cdcfc1470cfdc21dde0cdbe2 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 11 Sep 2008 10:23:01 -0300 Subject: [PATCH 3899/6244] V4L/DVB (8996): S2API: typedefs replaced, _SEQ_'s removed, fixed 16 command arrays replaced After discussion the following changes were made: 1. Removed the typedefs in frontend.h, use structures. 2. In the frontend.h, remove the 16 command limit on the API and switch to a flexible variable length API. For practical reasons a #define limits this to 64, this should be discussed. 3. Changed dvb-core ioctl handing to deal with variable sequences of commands. tune-v0.0.3.c is required to use this API, it contains the interface changes. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 83 ++++++++++++----------- drivers/media/dvb/dvb-core/dvb_frontend.h | 4 +- drivers/media/dvb/frontends/cx24116.c | 2 +- include/linux/dvb/frontend.h | 27 +++++--- 4 files changed, 63 insertions(+), 53 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 9c4761506d2d..763da968236f 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -756,29 +756,14 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe, } struct dtv_cmds_h dtv_cmds[] = { - [DTV_SEQ_UNDEFINED] = { - .name = "DTV_SEQ_UNDEFINED", - .cmd = DTV_SEQ_UNDEFINED, + [DTV_TUNE] = { + .name = "DTV_TUNE", + .cmd = DTV_TUNE, .set = 1, }, - [DTV_SEQ_START] = { - .name = "DTV_SEQ_START", - .cmd = DTV_SEQ_START, - .set = 1, - }, - [DTV_SEQ_CONTINUE] = { - .name = "DTV_SEQ_CONTINUE", - .cmd = DTV_SEQ_CONTINUE, - .set = 1, - }, - [DTV_SEQ_COMPLETE] = { - .name = "DTV_SEQ_COMPLETE", - .cmd = DTV_SEQ_COMPLETE, - .set = 1, - }, - [DTV_SEQ_TERMINATE] = { - .name = "DTV_SEQ_TERMINATE", - .cmd = DTV_SEQ_TERMINATE, + [DTV_CLEAR] = { + .name = "DTV_CLEAR", + .cmd = DTV_CLEAR, .set = 1, }, @@ -974,7 +959,7 @@ struct dtv_cmds_h dtv_cmds[] = { }, }; -void dtv_property_dump(dtv_property_t *tvp) +void dtv_property_dump(struct dtv_property *tvp) { int i; @@ -1044,6 +1029,7 @@ int dtv_property_cache_submit(struct dvb_frontend *fe) /* For legacy delivery systems we don't need the delivery_system to be specified */ if(is_legacy_delivery_system(c->delivery_system)) { + printk("%s() legacy, modulation = %d\n", __FUNCTION__, c->modulation); switch(c->modulation) { case QPSK: printk("%s() Preparing QPSK req\n", __FUNCTION__); @@ -1161,7 +1147,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, unsigned int cmd, void *parg); -int dtv_property_process(struct dvb_frontend *fe, dtv_property_t *tvp, +int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, struct inode *inode, struct file *file) { int r = 0; @@ -1170,23 +1156,22 @@ int dtv_property_process(struct dvb_frontend *fe, dtv_property_t *tvp, dtv_property_dump(tvp); switch(tvp->cmd) { - case DTV_SEQ_START: - case DTV_SEQ_TERMINATE: + case DTV_CLEAR: /* Reset a cache of data specific to the frontend here. This does * not effect hardware. */ printk("%s() Flushing property cache\n", __FUNCTION__); memset(&fe->dtv_property_cache, 0, sizeof(struct dtv_frontend_properties)); - fe->dtv_property_cache.state = DTV_SEQ_START; + fe->dtv_property_cache.state = tvp->cmd; fe->dtv_property_cache.delivery_system = SYS_UNDEFINED; break; - case DTV_SEQ_COMPLETE: + case DTV_TUNE: /* interpret the cache of data, build either a traditional frontend * tunerequest and submit it to a subset of the ioctl handler, * or, call a new undefined method on the frontend to deal with * all new tune requests. */ - fe->dtv_property_cache.state = DTV_SEQ_COMPLETE; + fe->dtv_property_cache.state = tvp->cmd; printk("%s() Finalised property cache\n", __FUNCTION__); r |= dtv_property_cache_submit(fe); r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, @@ -1344,30 +1329,48 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; int err = -EOPNOTSUPP; - dtv_property_t *tvp; + + struct dtv_properties *tvps = NULL; + struct dtv_property *tvp = NULL; + int i; dprintk("%s\n", __func__); if(cmd == FE_SET_PROPERTY) { printk("%s() FE_SET_PROPERTY\n", __FUNCTION__); - /* TODO: basic property validation here */ + tvps = (struct dtv_properties __user *)parg; - /* TODO: ioctl userdata out of range check here */ - tvp = parg; - while(tvp->cmd != DTV_SEQ_UNDEFINED) { - dtv_property_process(fe, tvp, inode, file); - if( (tvp->cmd == DTV_SEQ_TERMINATE) || (tvp->cmd == DTV_SEQ_COMPLETE) ) - break; - tvp++; + printk("%s() properties.num = %d\n", __FUNCTION__, tvps->num); + printk("%s() properties.props = %p\n", __FUNCTION__, tvps->props); + + /* Put an arbitrary limit on the number of messages that can + * be sent at once */ + if (tvps->num > DTV_IOCTL_MAX_MSGS) + return -EINVAL; + + tvp = (struct dtv_property *) kmalloc(tvps->num * + sizeof(struct dtv_property), GFP_KERNEL); + if (!tvp) { + err = -ENOMEM; + goto out; } - if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { + if (copy_from_user(tvp, tvps->props, tvps->num * sizeof(struct dtv_property))) { + err = -EFAULT; + goto out; + } + + for (i = 0; i < tvps->num; i++) + dtv_property_process(fe, tvp + i, inode, file); + + if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } err = 0; } - +out: + kfree(tvp); return err; } @@ -1545,7 +1548,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { + if(fe->dtv_property_cache.state == DTV_TUNE) { if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { err = -EINVAL; break; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index f376f281cde2..85d30201a695 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -170,8 +170,8 @@ struct dvb_frontend_ops { struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; - int (*set_property)(struct dvb_frontend* fe, dtv_property_t* tvp); - int (*get_property)(struct dvb_frontend* fe, dtv_property_t* tvp); + int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp); + int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp); int (*set_params)(struct dvb_frontend* fe); }; diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index f150fa24ff9f..9f93930a2594 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -796,7 +796,7 @@ static int cx24116_initfe(struct dvb_frontend* fe) return cx24116_diseqc_init(fe); } -static int cx24116_set_property(struct dvb_frontend *fe, dtv_property_t* tvp) +static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) { dprintk("%s(..)\n", __func__); return 0; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index aeace74b5366..f667bf377a7b 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -251,11 +251,8 @@ struct dvb_frontend_event { * binary compatability. */ typedef enum dtv_cmd_types { - DTV_SEQ_UNDEFINED, - DTV_SEQ_START, - DTV_SEQ_CONTINUE, - DTV_SEQ_COMPLETE, - DTV_SEQ_TERMINATE, + DTV_TUNE, + DTV_CLEAR, DTV_SET_FREQUENCY, DTV_SET_MODULATION, @@ -348,22 +345,32 @@ struct dtv_cmds_h { __u32 reserved:30; /* Align */ }; -typedef struct { +struct dtv_property { __u32 cmd; + __u32 reserved[3]; union { + __s32 valuemin; + __s32 valuemax; __u32 data; struct { __u8 data[32]; __u32 len; + __u32 reserved1[3]; + void *reserved2; } buffer; } u; -} dtv_property_t; +} __attribute__ ((packed)); /* No more than 16 properties during any given ioctl */ -typedef dtv_property_t dtv_properties_t[16]; +struct dtv_properties { + __u32 num; + struct dtv_property *props; +}; + +#define DTV_IOCTL_MAX_MSGS 64 -#define FE_SET_PROPERTY _IOW('o', 82, dtv_properties_t) -#define FE_GET_PROPERTY _IOR('o', 83, dtv_properties_t) +#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) +#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) /** -- GitLab From 177b868d93861077619261dcecd0147d1c033026 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 11 Sep 2008 10:34:19 -0300 Subject: [PATCH 3900/6244] V4L/DVB (8997): S2API: Cleanup SYMBOLRATE, INNERFEC -> SYMBOL_RATE, INNER_FEC This is now consistent with the existing API. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 32 +++++++++++------------ include/linux/dvb/frontend.h | 8 +++--- 2 files changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 763da968236f..ce1de403e99e 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -794,14 +794,14 @@ struct dtv_cmds_h dtv_cmds[] = { .set = 1, .buffer = 1, }, - [DTV_SET_SYMBOLRATE] = { - .name = "DTV_SET_SYMBOLRATE", - .cmd = DTV_SET_SYMBOLRATE, + [DTV_SET_SYMBOL_RATE] = { + .name = "DTV_SET_SYMBOL_RATE", + .cmd = DTV_SET_SYMBOL_RATE, .set = 1, }, - [DTV_SET_INNERFEC] = { - .name = "DTV_SET_INNERFEC", - .cmd = DTV_SET_INNERFEC, + [DTV_SET_INNER_FEC] = { + .name = "DTV_SET_INNER_FEC", + .cmd = DTV_SET_INNER_FEC, .set = 1, }, [DTV_SET_VOLTAGE] = { @@ -867,14 +867,14 @@ struct dtv_cmds_h dtv_cmds[] = { .set = 0, .buffer = 1, }, - [DTV_GET_SYMBOLRATE] = { - .name = "DTV_GET_SYMBOLRATE", - .cmd = DTV_GET_SYMBOLRATE, + [DTV_GET_SYMBOL_RATE] = { + .name = "DTV_GET_SYMBOL_RATE", + .cmd = DTV_GET_SYMBOL_RATE, .set = 0, }, - [DTV_GET_INNERFEC] = { - .name = "DTV_GET_INNERFEC", - .cmd = DTV_GET_INNERFEC, + [DTV_GET_INNER_FEC] = { + .name = "DTV_GET_INNER_FEC", + .cmd = DTV_GET_INNER_FEC, .set = 0, }, [DTV_GET_VOLTAGE] = { @@ -1201,16 +1201,16 @@ int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_GET_INVERSION: tvp->u.data = fe->dtv_property_cache.inversion; break; - case DTV_SET_SYMBOLRATE: + case DTV_SET_SYMBOL_RATE: fe->dtv_property_cache.symbol_rate = tvp->u.data; break; - case DTV_GET_SYMBOLRATE: + case DTV_GET_SYMBOL_RATE: tvp->u.data = fe->dtv_property_cache.symbol_rate; break; - case DTV_SET_INNERFEC: + case DTV_SET_INNER_FEC: fe->dtv_property_cache.fec_inner = tvp->u.data; break; - case DTV_GET_INNERFEC: + case DTV_GET_INNER_FEC: tvp->u.data = fe->dtv_property_cache.fec_inner; break; case DTV_SET_PILOT: diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index f667bf377a7b..bfd670fa16b2 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -259,8 +259,8 @@ typedef enum dtv_cmd_types { DTV_SET_BANDWIDTH, DTV_SET_INVERSION, DTV_SET_DISEQC_MASTER, - DTV_SET_SYMBOLRATE, - DTV_SET_INNERFEC, + DTV_SET_SYMBOL_RATE, + DTV_SET_INNER_FEC, DTV_SET_VOLTAGE, DTV_SET_TONE, DTV_SET_PILOT, @@ -271,8 +271,8 @@ typedef enum dtv_cmd_types { DTV_GET_BANDWIDTH, DTV_GET_INVERSION, DTV_GET_DISEQC_SLAVE_REPLY, - DTV_GET_SYMBOLRATE, - DTV_GET_INNERFEC, + DTV_GET_SYMBOL_RATE, + DTV_GET_INNER_FEC, DTV_GET_VOLTAGE, DTV_GET_TONE, DTV_GET_PILOT, -- GitLab From 65af619d84ee2d3a1faacbbeded374d0b313d3a9 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 11 Sep 2008 21:08:59 -0300 Subject: [PATCH 3901/6244] V4L/DVB (8998): s2api: restore DTV_UNDEFINED Signed-off-by: Steven Toth Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/frontend.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index bfd670fa16b2..915edd319f34 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -251,6 +251,7 @@ struct dvb_frontend_event { * binary compatability. */ typedef enum dtv_cmd_types { + DTV_UNDEFINED, DTV_TUNE, DTV_CLEAR, -- GitLab From ee33c525c4d09756156cd4c18e6586da900eb310 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Thu, 11 Sep 2008 23:52:32 -0300 Subject: [PATCH 3902/6244] V4L/DVB (8999): S2API: Reduce demod driver complexity by using a cache sync For demod drivers, we want a single tuning function (set_frontend) to have access to the properly constructed dvb_frontend_parameters structure, or the cache values - regardless of whether the legacy or new API is being used. This cuts down on redundant code in the demod drivers and ensures the tuning parameters are consistent regardless of the API entry type. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 38 +++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index ce1de403e99e..7e9cd7921314 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -993,6 +993,42 @@ int is_legacy_delivery_system(fe_delivery_system_t s) return 0; } +/* Synchronise the legacy tuning parameters into the cache, so that demodulator + * drivers can use a single set_frontend tuning function, regardless of whether + * it's being used for the legacy or new API, reducing code and complexity. + */ +void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + c->frequency = p->frequency; + c->inversion = p->inversion; + + switch (fe->ops.info.type) { + case FE_QPSK: + c->symbol_rate = p->u.qpsk.symbol_rate; + c->fec_inner = p->u.qpsk.fec_inner; + break; + case FE_QAM: + c->symbol_rate = p->u.qam.symbol_rate; + c->fec_inner = p->u.qam.fec_inner; + c->modulation = p->u.qam.modulation; + break; + case FE_OFDM: + c->bandwidth = p->u.ofdm.bandwidth; + c->code_rate_HP = p->u.ofdm.code_rate_HP; + c->code_rate_LP = p->u.ofdm.code_rate_LP; + c->modulation = p->u.ofdm.constellation; + c->transmission_mode = p->u.ofdm.transmission_mode; + c->guard_interval = p->u.ofdm.guard_interval; + c->hierarchy = p->u.ofdm.hierarchy_information; + break; + case FE_ATSC: + c->modulation = p->u.vsb.modulation; + break; + } +} + int dtv_property_cache_submit(struct dvb_frontend *fe) { @@ -1548,6 +1584,8 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; + dtv_property_cache_sync(fe, &fepriv->parameters); + if(fe->dtv_property_cache.state == DTV_TUNE) { if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { err = -EINVAL; -- GitLab From d5748f1079c01c8861b05e0de7c4cda271532cb9 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 12 Sep 2008 00:27:13 -0300 Subject: [PATCH 3903/6244] V4L/DVB (9000): S2API: Cleanup code that prepares tuning structures. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 219 +++++++++------------- 1 file changed, 91 insertions(+), 128 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 7e9cd7921314..2aaaca620033 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1001,6 +1001,8 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame { struct dtv_frontend_properties *c = &fe->dtv_property_cache; + printk("%s()\n", __FUNCTION__); + c->frequency = p->frequency; c->inversion = p->inversion; @@ -1029,153 +1031,114 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame } } -int dtv_property_cache_submit(struct dvb_frontend *fe) +/* Ensure the cached values are set correctly in the frontend + * legacy tuning structures, for the advanced tuning API. + */ +void dtv_property_legacy_params_sync(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + struct dvb_frontend_parameters *p = &fepriv->parameters; - /* We have to do one of two things: - * To support legacy devices using the new API we take values from - * the tv_cache and generate a legacy truning structure. - * - * Or, - * - * To support advanced tuning devices with the new API we - * notify the new advance driver type that a tuning operation is required - * and let it pull values from the cache as is, we don't need to - * pass structures. - * - * We'll use the modulation type to assess how this is handled. as the API - * progresses we'll probably want to have a flag in dvb_frontend_ops - * to allow the frontend driver to dictate how it likes to be tuned. - * - * Because of how this is attached to the ioctl handler for legacy support, - * it's important to return an appropriate result code with atleast the following - * three meanings: - * < 0 = processing error - * 0 = lecagy ioctl handler to submit a traditional set_frontend() call. - * 1 = lecagy ioctl handler should NOT submit a traditional set_frontend() call. - */ + printk("%s()\n", __FUNCTION__); - int r; + p->frequency = c->frequency; + p->inversion = c->inversion; + switch (fe->ops.info.type) { + case FE_QPSK: + printk("%s() Preparing QPSK req\n", __FUNCTION__); + p->u.qpsk.symbol_rate = c->symbol_rate; + p->u.qpsk.fec_inner = c->fec_inner; + break; + case FE_QAM: + printk("%s() Preparing QAM req\n", __FUNCTION__); + p->u.qam.symbol_rate = c->symbol_rate; + p->u.qam.fec_inner = c->fec_inner; + p->u.qam.modulation = c->modulation; + break; + case FE_OFDM: + printk("%s() Preparing OFDM req\n", __FUNCTION__); + p->u.ofdm.bandwidth = c->bandwidth; + p->u.ofdm.code_rate_HP = c->code_rate_HP; + p->u.ofdm.code_rate_LP = c->code_rate_LP; + p->u.ofdm.constellation = c->modulation; + p->u.ofdm.transmission_mode = c->transmission_mode; + p->u.ofdm.guard_interval = c->guard_interval; + p->u.ofdm.hierarchy_information = c->hierarchy; + break; + case FE_ATSC: + printk("%s() Preparing VSB req\n", __FUNCTION__); + p->u.vsb.modulation = c->modulation; + break; + } +} + +/* Ensure the cached values are set correctly in the frontend + * legacy tuning structures, for the legacy tuning API. + */ +void dtv_property_adv_params_sync(struct dvb_frontend *fe) +{ struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct dvb_frontend_private *fepriv = fe->frontend_priv; - struct dvb_frontend_parameters p; + struct dvb_frontend_parameters *p = &fepriv->parameters; printk("%s()\n", __FUNCTION__); - /* For legacy delivery systems we don't need the delivery_system to be specified */ - if(is_legacy_delivery_system(c->delivery_system)) { - printk("%s() legacy, modulation = %d\n", __FUNCTION__, c->modulation); - switch(c->modulation) { - case QPSK: - printk("%s() Preparing QPSK req\n", __FUNCTION__); - p.frequency = c->frequency; - p.inversion = c->inversion; - p.u.qpsk.symbol_rate = c->symbol_rate; - p.u.qpsk.fec_inner = c->fec_inner; - memcpy(&fepriv->parameters, &p, - sizeof (struct dvb_frontend_parameters)); + p->frequency = c->frequency; + p->inversion = c->inversion; - /* Call the traditional tuning mechanisms. */ + switch(c->modulation) { + case _8PSK: + case _16APSK: + case NBC_QPSK: + p->u.qpsk.symbol_rate = c->symbol_rate; + p->u.qpsk.fec_inner = c->fec_inner; + break; + default: + break; + } - r = 0; - break; - case QAM_16: - case QAM_32: - case QAM_64: - case QAM_128: - case QAM_256: - case QAM_AUTO: - printk("%s() Preparing QAM req\n", __FUNCTION__); - p.frequency = c->frequency; - p.inversion = c->inversion; - p.u.qam.symbol_rate = c->symbol_rate; - p.u.vsb.modulation = c->modulation; - printk("%s() frequency = %d\n", __FUNCTION__, p.frequency); - printk("%s() QAM = %d\n", __FUNCTION__, p.u.vsb.modulation); - memcpy(&fepriv->parameters, &p, - sizeof (struct dvb_frontend_parameters)); + if(c->delivery_system == SYS_ISDBT) { + /* Fake out a generic DVB-T request so we pass validation in the ioctl */ + p->frequency = c->frequency; + p->inversion = INVERSION_AUTO; + p->u.ofdm.constellation = QAM_AUTO; + p->u.ofdm.code_rate_HP = FEC_AUTO; + p->u.ofdm.code_rate_LP = FEC_AUTO; + p->u.ofdm.bandwidth = BANDWIDTH_AUTO; + p->u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO; + p->u.ofdm.guard_interval = GUARD_INTERVAL_AUTO; + p->u.ofdm.hierarchy_information = HIERARCHY_AUTO; + } +} - /* At this point we're fully formed for backwards - * compatability and we need to return this - * via the ioctl handler as SET_FRONTEND (arg). - * We've already patched the new values into the - * frontends tuning structures so the ioctl code just - * continues as if a legacy tune structure was passed - * from userspace. - */ +void dtv_property_cache_submit(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; - r = 0; - break; - case VSB_8: - case VSB_16: - printk("%s() Preparing VSB req\n", __FUNCTION__); - p.frequency = c->frequency; - p.u.vsb.modulation = c->modulation; - memcpy(&fepriv->parameters, &p, - sizeof (struct dvb_frontend_parameters)); + printk("%s()\n", __FUNCTION__); - /* Call the traditional tuning mechanisms. */ + /* For legacy delivery systems we don't need the delivery_system to + * be specified, but we populate the older structures from the cache + * so we can call set_frontend on older drivers. + */ + if(is_legacy_delivery_system(c->delivery_system)) { + + printk("%s() legacy, modulation = %d\n", __FUNCTION__, c->modulation); + dtv_property_legacy_params_sync(fe); - r = 0; - break; - /* TODO: Add any missing modulation types */ - default: - r = -1; - } } else { + printk("%s() adv, modulation = %d\n", __FUNCTION__, c->modulation); + /* For advanced delivery systems / modulation types ... * we seed the lecacy dvb_frontend_parameters structure * so that the sanity checking code later in the IOCTL processing * can validate our basic frequency ranges, symbolrates, modulation * etc. */ - r = -1; - - switch(c->modulation) { - case _8PSK: - case _16APSK: - case NBC_QPSK: - /* Just post a notification to the demod driver and let it pull - * the specific values it wants from its dtv_property_cache. - * It can decide how best to use those parameters. - * IOCTL will call set_frontend (by default) due to zigzag - * support etc. - */ - if (fe->ops.set_params) - r = fe->ops.set_params(fe); - - p.frequency = c->frequency; - p.inversion = c->inversion; - p.u.qpsk.symbol_rate = c->symbol_rate; - p.u.qpsk.fec_inner = c->fec_inner; - memcpy(&fepriv->parameters, &p, - sizeof (struct dvb_frontend_parameters)); - - r = 0; - break; - default: - r = -1; - } - - if(c->delivery_system == SYS_ISDBT) { - /* Fake out a generic DVB-T request so we pass validation in the ioctl */ - p.frequency = c->frequency; - p.inversion = INVERSION_AUTO; - p.u.ofdm.constellation = QAM_AUTO; - p.u.ofdm.code_rate_HP = FEC_AUTO; - p.u.ofdm.code_rate_LP = FEC_AUTO; - p.u.ofdm.bandwidth = BANDWIDTH_AUTO; - p.u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO; - p.u.ofdm.guard_interval = GUARD_INTERVAL_AUTO; - p.u.ofdm.hierarchy_information = HIERARCHY_AUTO; - memcpy(&fepriv->parameters, &p, - sizeof (struct dvb_frontend_parameters)); - - r = 0; - } + dtv_property_adv_params_sync(fe); } - return r; } static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, @@ -1203,13 +1166,13 @@ int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, break; case DTV_TUNE: /* interpret the cache of data, build either a traditional frontend - * tunerequest and submit it to a subset of the ioctl handler, - * or, call a new undefined method on the frontend to deal with - * all new tune requests. + * tunerequest so we can pass validation in the FE_SET_FRONTEND + * ioctl. */ fe->dtv_property_cache.state = tvp->cmd; printk("%s() Finalised property cache\n", __FUNCTION__); - r |= dtv_property_cache_submit(fe); + dtv_property_cache_submit(fe); + r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, &fepriv->parameters); break; -- GitLab From d7c1500183bc138b634377ed90c046e722b887d8 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 12 Sep 2008 00:33:04 -0300 Subject: [PATCH 3904/6244] V4L/DVB (9001): S2API: ISDBT_SEGMENT_NUM -> ISDBT_SEGMENT_IDX Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 20 ++++++++++---------- drivers/media/dvb/dvb-core/dvb_frontend.h | 2 +- include/linux/dvb/frontend.h | 4 ++-- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 2aaaca620033..dc76f9935c81 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -829,9 +829,9 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_SET_DELIVERY_SYSTEM, .set = 1, }, - [DTV_SET_ISDB_SEGMENT_NUM] = { - .name = "DTV_SET_ISDB_SEGMENT_NUM", - .cmd = DTV_SET_ISDB_SEGMENT_NUM, + [DTV_SET_ISDB_SEGMENT_IDX] = { + .name = "DTV_SET_ISDB_SEGMENT_IDX", + .cmd = DTV_SET_ISDB_SEGMENT_IDX, .set = 1, }, [DTV_SET_ISDB_SEGMENT_WIDTH] = { @@ -902,9 +902,9 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_GET_DELIVERY_SYSTEM, .set = 0, }, - [DTV_GET_ISDB_SEGMENT_NUM] = { - .name = "DTV_GET_ISDB_SEGMENT_NUM", - .cmd = DTV_GET_ISDB_SEGMENT_NUM, + [DTV_GET_ISDB_SEGMENT_IDX] = { + .name = "DTV_GET_ISDB_SEGMENT_IDX", + .cmd = DTV_GET_ISDB_SEGMENT_IDX, .set = 0, }, [DTV_GET_ISDB_SEGMENT_WIDTH] = { @@ -1232,11 +1232,11 @@ int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, break; /* ISDB-T Support here */ - case DTV_SET_ISDB_SEGMENT_NUM: - fe->dtv_property_cache.isdb_segment_num = tvp->u.data; + case DTV_SET_ISDB_SEGMENT_IDX: + fe->dtv_property_cache.isdb_segment_idx = tvp->u.data; break; - case DTV_GET_ISDB_SEGMENT_NUM: - tvp->u.data = fe->dtv_property_cache.isdb_segment_num; + case DTV_GET_ISDB_SEGMENT_IDX: + tvp->u.data = fe->dtv_property_cache.isdb_segment_idx; break; case DTV_SET_ISDB_SEGMENT_WIDTH: fe->dtv_property_cache.isdb_segment_width = tvp->u.data; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 85d30201a695..1c2090966baf 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -212,7 +212,7 @@ struct dtv_frontend_properties { fe_delivery_system_t delivery_system; /* ISDB-T specifics */ - u32 isdb_segment_num; + u32 isdb_segment_idx; u32 isdb_segment_width; fe_code_rate_t isdb_layera_fec; fe_modulation_t isdb_layera_modulation; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 915edd319f34..e4f211735efb 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -288,8 +288,8 @@ typedef enum dtv_cmd_types { DTV_GET_DELIVERY_SYSTEM, /* ISDB-T */ - DTV_SET_ISDB_SEGMENT_NUM, - DTV_GET_ISDB_SEGMENT_NUM, + DTV_SET_ISDB_SEGMENT_IDX, + DTV_GET_ISDB_SEGMENT_IDX, DTV_SET_ISDB_SEGMENT_WIDTH, DTV_GET_ISDB_SEGMENT_WIDTH, DTV_GET_ISDB_LAYERA_FEC, -- GitLab From 80a773c9bcc6f67944e186de3d2ab8b582889bc8 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 12 Sep 2008 00:53:50 -0300 Subject: [PATCH 3905/6244] V4L/DVB (9002): S2API: Ensure cache->delivery_system is set at all times. This helps complex demods which support different modulation types be better informed. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index dc76f9935c81..205f60262c37 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1010,11 +1010,13 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame case FE_QPSK: c->symbol_rate = p->u.qpsk.symbol_rate; c->fec_inner = p->u.qpsk.fec_inner; + c->delivery_system = SYS_DVBS; break; case FE_QAM: c->symbol_rate = p->u.qam.symbol_rate; c->fec_inner = p->u.qam.fec_inner; c->modulation = p->u.qam.modulation; + c->delivery_system = SYS_DVBC_ANNEX_AC; break; case FE_OFDM: c->bandwidth = p->u.ofdm.bandwidth; @@ -1024,9 +1026,14 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame c->transmission_mode = p->u.ofdm.transmission_mode; c->guard_interval = p->u.ofdm.guard_interval; c->hierarchy = p->u.ofdm.hierarchy_information; + c->delivery_system = SYS_DVBT; break; case FE_ATSC: c->modulation = p->u.vsb.modulation; + if ((c->modulation == VSB_8) || (c->modulation == VSB_16)) + c->delivery_system = SYS_ATSC; + else + c->delivery_system = SYS_DVBC_ANNEX_B; break; } } @@ -1050,12 +1057,14 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe) printk("%s() Preparing QPSK req\n", __FUNCTION__); p->u.qpsk.symbol_rate = c->symbol_rate; p->u.qpsk.fec_inner = c->fec_inner; + c->delivery_system = SYS_DVBS; break; case FE_QAM: printk("%s() Preparing QAM req\n", __FUNCTION__); p->u.qam.symbol_rate = c->symbol_rate; p->u.qam.fec_inner = c->fec_inner; p->u.qam.modulation = c->modulation; + c->delivery_system = SYS_DVBC_ANNEX_AC; break; case FE_OFDM: printk("%s() Preparing OFDM req\n", __FUNCTION__); @@ -1066,10 +1075,15 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe) p->u.ofdm.transmission_mode = c->transmission_mode; p->u.ofdm.guard_interval = c->guard_interval; p->u.ofdm.hierarchy_information = c->hierarchy; + c->delivery_system = SYS_DVBT; break; case FE_ATSC: printk("%s() Preparing VSB req\n", __FUNCTION__); p->u.vsb.modulation = c->modulation; + if ((c->modulation == VSB_8) || (c->modulation == VSB_16)) + c->delivery_system = SYS_ATSC; + else + c->delivery_system = SYS_DVBC_ANNEX_B; break; } } -- GitLab From 363429a089590f3f4071ebc492b3712fdcba770b Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 12 Sep 2008 01:34:28 -0300 Subject: [PATCH 3906/6244] V4L/DVB (9003): S2API: Remove the DTV_SET_ and DTV_GET_ prefixes The API now assumes that ioctl calls for FE_SET_PROPERTY and all set commands, and FE_GET_PROPERTY are get commands. Simplification. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 431 +++++++++++----------- include/linux/dvb/frontend.h | 67 ++-- 2 files changed, 239 insertions(+), 259 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 205f60262c37..2ed748486e57 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -768,193 +768,128 @@ struct dtv_cmds_h dtv_cmds[] = { }, /* Set */ - [DTV_SET_FREQUENCY] = { - .name = "DTV_SET_FREQUENCY", - .cmd = DTV_SET_FREQUENCY, + [DTV_FREQUENCY] = { + .name = "DTV_FREQUENCY", + .cmd = DTV_FREQUENCY, .set = 1, }, - [DTV_SET_BANDWIDTH] = { - .name = "DTV_SET_BANDWIDTH", - .cmd = DTV_SET_BANDWIDTH, + [DTV_BANDWIDTH] = { + .name = "DTV_BANDWIDTH", + .cmd = DTV_BANDWIDTH, .set = 1, }, - [DTV_SET_MODULATION] = { - .name = "DTV_SET_MODULATION", - .cmd = DTV_SET_MODULATION, + [DTV_MODULATION] = { + .name = "DTV_MODULATION", + .cmd = DTV_MODULATION, .set = 1, }, - [DTV_SET_INVERSION] = { - .name = "DTV_SET_INVERSION", - .cmd = DTV_SET_INVERSION, + [DTV_INVERSION] = { + .name = "DTV_INVERSION", + .cmd = DTV_INVERSION, .set = 1, }, - [DTV_SET_DISEQC_MASTER] = { - .name = "DTV_SET_DISEQC_MASTER", - .cmd = DTV_SET_DISEQC_MASTER, + [DTV_DISEQC_MASTER] = { + .name = "DTV_DISEQC_MASTER", + .cmd = DTV_DISEQC_MASTER, .set = 1, .buffer = 1, }, - [DTV_SET_SYMBOL_RATE] = { - .name = "DTV_SET_SYMBOL_RATE", - .cmd = DTV_SET_SYMBOL_RATE, + [DTV_SYMBOL_RATE] = { + .name = "DTV_SYMBOL_RATE", + .cmd = DTV_SYMBOL_RATE, .set = 1, }, - [DTV_SET_INNER_FEC] = { - .name = "DTV_SET_INNER_FEC", - .cmd = DTV_SET_INNER_FEC, + [DTV_INNER_FEC] = { + .name = "DTV_INNER_FEC", + .cmd = DTV_INNER_FEC, .set = 1, }, - [DTV_SET_VOLTAGE] = { - .name = "DTV_SET_VOLTAGE", - .cmd = DTV_SET_VOLTAGE, + [DTV_VOLTAGE] = { + .name = "DTV_VOLTAGE", + .cmd = DTV_VOLTAGE, .set = 1, }, - [DTV_SET_TONE] = { - .name = "DTV_SET_TONE", - .cmd = DTV_SET_TONE, + [DTV_TONE] = { + .name = "DTV_TONE", + .cmd = DTV_TONE, .set = 1, }, - [DTV_SET_PILOT] = { - .name = "DTV_SET_PILOT", - .cmd = DTV_SET_PILOT, + [DTV_PILOT] = { + .name = "DTV_PILOT", + .cmd = DTV_PILOT, .set = 1, }, - [DTV_SET_ROLLOFF] = { - .name = "DTV_SET_ROLLOFF", - .cmd = DTV_SET_ROLLOFF, + [DTV_ROLLOFF] = { + .name = "DTV_ROLLOFF", + .cmd = DTV_ROLLOFF, .set = 1, }, - [DTV_SET_DELIVERY_SYSTEM] = { - .name = "DTV_SET_DELIVERY_SYSTEM", - .cmd = DTV_SET_DELIVERY_SYSTEM, + [DTV_DELIVERY_SYSTEM] = { + .name = "DTV_DELIVERY_SYSTEM", + .cmd = DTV_DELIVERY_SYSTEM, .set = 1, }, - [DTV_SET_ISDB_SEGMENT_IDX] = { - .name = "DTV_SET_ISDB_SEGMENT_IDX", - .cmd = DTV_SET_ISDB_SEGMENT_IDX, + [DTV_ISDB_SEGMENT_IDX] = { + .name = "DTV_ISDB_SEGMENT_IDX", + .cmd = DTV_ISDB_SEGMENT_IDX, .set = 1, }, - [DTV_SET_ISDB_SEGMENT_WIDTH] = { - .name = "DTV_SET_ISDB_SEGMENT_WIDTH", - .cmd = DTV_SET_ISDB_SEGMENT_WIDTH, + [DTV_ISDB_SEGMENT_WIDTH] = { + .name = "DTV_ISDB_SEGMENT_WIDTH", + .cmd = DTV_ISDB_SEGMENT_WIDTH, .set = 1, }, /* Get */ - [DTV_GET_FREQUENCY] = { - .name = "DTV_GET_FREQUENCY", - .cmd = DTV_GET_FREQUENCY, - .set = 0, - }, - [DTV_GET_BANDWIDTH] = { - .name = "DTV_GET_BANDWIDTH", - .cmd = DTV_GET_BANDWIDTH, - .set = 0, - }, - [DTV_GET_MODULATION] = { - .name = "DTV_GET_MODULATION", - .cmd = DTV_GET_MODULATION, - .set = 0, - }, - [DTV_GET_INVERSION] = { - .name = "DTV_GET_INVERSION", - .cmd = DTV_GET_INVERSION, - .set = 0, - }, - [DTV_GET_DISEQC_SLAVE_REPLY] = { - .name = "DTV_GET_DISEQC_SLAVE_REPLY", - .cmd = DTV_GET_DISEQC_SLAVE_REPLY, + [DTV_DISEQC_SLAVE_REPLY] = { + .name = "DTV_DISEQC_SLAVE_REPLY", + .cmd = DTV_DISEQC_SLAVE_REPLY, .set = 0, .buffer = 1, }, - [DTV_GET_SYMBOL_RATE] = { - .name = "DTV_GET_SYMBOL_RATE", - .cmd = DTV_GET_SYMBOL_RATE, - .set = 0, - }, - [DTV_GET_INNER_FEC] = { - .name = "DTV_GET_INNER_FEC", - .cmd = DTV_GET_INNER_FEC, - .set = 0, - }, - [DTV_GET_VOLTAGE] = { - .name = "DTV_GET_VOLTAGE", - .cmd = DTV_GET_VOLTAGE, - .set = 0, - }, - [DTV_GET_TONE] = { - .name = "DTV_GET_TONE", - .cmd = DTV_GET_TONE, - .set = 0, - }, - [DTV_GET_PILOT] = { - .name = "DTV_GET_PILOT", - .cmd = DTV_GET_PILOT, - .set = 0, - }, - [DTV_GET_ROLLOFF] = { - .name = "DTV_GET_ROLLOFF", - .cmd = DTV_GET_ROLLOFF, - .set = 0, - }, - [DTV_GET_DELIVERY_SYSTEM] = { - .name = "DTV_GET_DELIVERY_SYSTEM", - .cmd = DTV_GET_DELIVERY_SYSTEM, - .set = 0, - }, - [DTV_GET_ISDB_SEGMENT_IDX] = { - .name = "DTV_GET_ISDB_SEGMENT_IDX", - .cmd = DTV_GET_ISDB_SEGMENT_IDX, - .set = 0, - }, - [DTV_GET_ISDB_SEGMENT_WIDTH] = { - .name = "DTV_GET_ISDB_SEGMENT_WIDTH", - .cmd = DTV_GET_ISDB_SEGMENT_WIDTH, + [DTV_ISDB_LAYERA_FEC] = { + .name = "DTV_ISDB_LAYERA_FEC", + .cmd = DTV_ISDB_LAYERA_FEC, .set = 0, }, - [DTV_GET_ISDB_LAYERA_FEC] = { - .name = "DTV_GET_ISDB_LAYERA_FEC", - .cmd = DTV_GET_ISDB_LAYERA_FEC, + [DTV_ISDB_LAYERA_MODULATION] = { + .name = "DTV_ISDB_LAYERA_MODULATION", + .cmd = DTV_ISDB_LAYERA_MODULATION, .set = 0, }, - [DTV_GET_ISDB_LAYERA_MODULATION] = { - .name = "DTV_GET_ISDB_LAYERA_MODULATION", - .cmd = DTV_GET_ISDB_LAYERA_MODULATION, + [DTV_ISDB_LAYERA_SEGMENT_WIDTH] = { + .name = "DTV_ISDB_LAYERA_SEGMENT_WIDTH", + .cmd = DTV_ISDB_LAYERA_SEGMENT_WIDTH, .set = 0, }, - [DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH] = { - .name = "DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH", - .cmd = DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + [DTV_ISDB_LAYERB_FEC] = { + .name = "DTV_ISDB_LAYERB_FEC", + .cmd = DTV_ISDB_LAYERB_FEC, .set = 0, }, - [DTV_GET_ISDB_LAYERB_FEC] = { - .name = "DTV_GET_ISDB_LAYERB_FEC", - .cmd = DTV_GET_ISDB_LAYERB_FEC, + [DTV_ISDB_LAYERB_MODULATION] = { + .name = "DTV_ISDB_LAYERB_MODULATION", + .cmd = DTV_ISDB_LAYERB_MODULATION, .set = 0, }, - [DTV_GET_ISDB_LAYERB_MODULATION] = { - .name = "DTV_GET_ISDB_LAYERB_MODULATION", - .cmd = DTV_GET_ISDB_LAYERB_MODULATION, + [DTV_ISDB_LAYERB_SEGMENT_WIDTH] = { + .name = "DTV_ISDB_LAYERB_SEGMENT_WIDTH", + .cmd = DTV_ISDB_LAYERB_SEGMENT_WIDTH, .set = 0, }, - [DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH] = { - .name = "DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH", - .cmd = DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + [DTV_ISDB_LAYERC_FEC] = { + .name = "DTV_ISDB_LAYERC_FEC", + .cmd = DTV_ISDB_LAYERC_FEC, .set = 0, }, - [DTV_GET_ISDB_LAYERC_FEC] = { - .name = "DTV_GET_ISDB_LAYERC_FEC", - .cmd = DTV_GET_ISDB_LAYERC_FEC, + [DTV_ISDB_LAYERC_MODULATION] = { + .name = "DTV_ISDB_LAYERC_MODULATION", + .cmd = DTV_ISDB_LAYERC_MODULATION, .set = 0, }, - [DTV_GET_ISDB_LAYERC_MODULATION] = { - .name = "DTV_GET_ISDB_LAYERC_MODULATION", - .cmd = DTV_GET_ISDB_LAYERC_MODULATION, - .set = 0, - }, - [DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH] = { - .name = "DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH", - .cmd = DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + [DTV_ISDB_LAYERC_SEGMENT_WIDTH] = { + .name = "DTV_ISDB_LAYERC_SEGMENT_WIDTH", + .cmd = DTV_ISDB_LAYERC_SEGMENT_WIDTH, .set = 0, }, }; @@ -1160,7 +1095,92 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, unsigned int cmd, void *parg); -int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, +int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, + struct inode *inode, struct file *file) +{ + int r = 0; + + printk("%s()\n", __FUNCTION__); + + dtv_property_dump(tvp); + + switch(tvp->cmd) { + case DTV_FREQUENCY: + tvp->u.data = fe->dtv_property_cache.frequency; + break; + case DTV_MODULATION: + tvp->u.data = fe->dtv_property_cache.modulation; + break; + case DTV_BANDWIDTH: + tvp->u.data = fe->dtv_property_cache.bandwidth; + break; + case DTV_INVERSION: + tvp->u.data = fe->dtv_property_cache.inversion; + break; + case DTV_SYMBOL_RATE: + tvp->u.data = fe->dtv_property_cache.symbol_rate; + break; + case DTV_INNER_FEC: + tvp->u.data = fe->dtv_property_cache.fec_inner; + break; + case DTV_PILOT: + tvp->u.data = fe->dtv_property_cache.pilot; + break; + case DTV_ROLLOFF: + tvp->u.data = fe->dtv_property_cache.rolloff; + break; + case DTV_DELIVERY_SYSTEM: + tvp->u.data = fe->dtv_property_cache.delivery_system; + break; + + /* ISDB-T Support here */ + case DTV_ISDB_SEGMENT_IDX: + tvp->u.data = fe->dtv_property_cache.isdb_segment_idx; + break; + case DTV_ISDB_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_segment_width; + break; + case DTV_ISDB_LAYERA_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layera_fec; + break; + case DTV_ISDB_LAYERA_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layera_modulation; + break; + case DTV_ISDB_LAYERA_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layera_segment_width; + break; + case DTV_ISDB_LAYERB_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_fec; + break; + case DTV_ISDB_LAYERB_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_modulation; + break; + case DTV_ISDB_LAYERB_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layerb_segment_width; + break; + case DTV_ISDB_LAYERC_FEC: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_fec; + break; + case DTV_ISDB_LAYERC_MODULATION: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_modulation; + break; + case DTV_ISDB_LAYERC_SEGMENT_WIDTH: + tvp->u.data = fe->dtv_property_cache.isdb_layerc_segment_width; + break; + case DTV_VOLTAGE: + tvp->u.data = fe->dtv_property_cache.voltage; + break; + case DTV_TONE: + tvp->u.data = fe->dtv_property_cache.sectone; + break; + default: + r = -1; + } + + return r; +} + +int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, struct inode *inode, struct file *file) { int r = 0; @@ -1190,117 +1210,53 @@ int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, &fepriv->parameters); break; - case DTV_SET_FREQUENCY: + case DTV_FREQUENCY: fe->dtv_property_cache.frequency = tvp->u.data; break; - case DTV_GET_FREQUENCY: - tvp->u.data = fe->dtv_property_cache.frequency; - break; - case DTV_SET_MODULATION: + case DTV_MODULATION: fe->dtv_property_cache.modulation = tvp->u.data; break; - case DTV_GET_MODULATION: - tvp->u.data = fe->dtv_property_cache.modulation; - break; - case DTV_SET_BANDWIDTH: + case DTV_BANDWIDTH: fe->dtv_property_cache.bandwidth = tvp->u.data; break; - case DTV_GET_BANDWIDTH: - tvp->u.data = fe->dtv_property_cache.bandwidth; - break; - case DTV_SET_INVERSION: + case DTV_INVERSION: fe->dtv_property_cache.inversion = tvp->u.data; break; - case DTV_GET_INVERSION: - tvp->u.data = fe->dtv_property_cache.inversion; - break; - case DTV_SET_SYMBOL_RATE: + case DTV_SYMBOL_RATE: fe->dtv_property_cache.symbol_rate = tvp->u.data; break; - case DTV_GET_SYMBOL_RATE: - tvp->u.data = fe->dtv_property_cache.symbol_rate; - break; - case DTV_SET_INNER_FEC: + case DTV_INNER_FEC: fe->dtv_property_cache.fec_inner = tvp->u.data; break; - case DTV_GET_INNER_FEC: - tvp->u.data = fe->dtv_property_cache.fec_inner; - break; - case DTV_SET_PILOT: + case DTV_PILOT: fe->dtv_property_cache.pilot = tvp->u.data; break; - case DTV_GET_PILOT: - tvp->u.data = fe->dtv_property_cache.pilot; - break; - case DTV_SET_ROLLOFF: + case DTV_ROLLOFF: fe->dtv_property_cache.rolloff = tvp->u.data; break; - case DTV_GET_ROLLOFF: - tvp->u.data = fe->dtv_property_cache.rolloff; - break; - case DTV_SET_DELIVERY_SYSTEM: + case DTV_DELIVERY_SYSTEM: fe->dtv_property_cache.delivery_system = tvp->u.data; break; - case DTV_GET_DELIVERY_SYSTEM: - tvp->u.data = fe->dtv_property_cache.delivery_system; - break; /* ISDB-T Support here */ - case DTV_SET_ISDB_SEGMENT_IDX: + case DTV_ISDB_SEGMENT_IDX: fe->dtv_property_cache.isdb_segment_idx = tvp->u.data; break; - case DTV_GET_ISDB_SEGMENT_IDX: - tvp->u.data = fe->dtv_property_cache.isdb_segment_idx; - break; - case DTV_SET_ISDB_SEGMENT_WIDTH: + case DTV_ISDB_SEGMENT_WIDTH: fe->dtv_property_cache.isdb_segment_width = tvp->u.data; break; - case DTV_GET_ISDB_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_segment_width; - break; - case DTV_GET_ISDB_LAYERA_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layera_fec; - break; - case DTV_GET_ISDB_LAYERA_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layera_modulation; - break; - case DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layera_segment_width; - break; - case DTV_GET_ISDB_LAYERB_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_fec; - break; - case DTV_GET_ISDB_LAYERB_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_modulation; - break; - case DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_segment_width; - break; - case DTV_GET_ISDB_LAYERC_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_fec; - break; - case DTV_GET_ISDB_LAYERC_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_modulation; - break; - case DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_segment_width; - break; - case DTV_SET_VOLTAGE: + case DTV_VOLTAGE: fe->dtv_property_cache.voltage = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE, (void *)fe->dtv_property_cache.voltage); break; - case DTV_GET_VOLTAGE: - tvp->u.data = fe->dtv_property_cache.voltage; - break; - case DTV_SET_TONE: + case DTV_TONE: fe->dtv_property_cache.sectone = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE, (void *)fe->dtv_property_cache.sectone); break; - case DTV_GET_TONE: - tvp->u.data = fe->dtv_property_cache.sectone; - break; + default: + r = -1; } return r; @@ -1375,13 +1331,50 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, } for (i = 0; i < tvps->num; i++) - dtv_property_process(fe, tvp + i, inode, file); + dtv_property_process_set(fe, tvp + i, inode, file); if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } err = 0; - } + } else + if(cmd == FE_GET_PROPERTY) { + printk("%s() FE_GET_PROPERTY\n", __FUNCTION__); + + tvps = (struct dtv_properties __user *)parg; + + printk("%s() properties.num = %d\n", __FUNCTION__, tvps->num); + printk("%s() properties.props = %p\n", __FUNCTION__, tvps->props); + + /* Put an arbitrary limit on the number of messages that can + * be sent at once */ + if (tvps->num > DTV_IOCTL_MAX_MSGS) + return -EINVAL; + + tvp = (struct dtv_property *) kmalloc(tvps->num * + sizeof(struct dtv_property), GFP_KERNEL); + if (!tvp) { + err = -ENOMEM; + goto out; + } + + if (copy_from_user(tvp, tvps->props, tvps->num * sizeof(struct dtv_property))) { + err = -EFAULT; + goto out; + } + + for (i = 0; i < tvps->num; i++) + dtv_property_process_get(fe, tvp + i, inode, file); + + if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) { + err = -EFAULT; + goto out; + } + + err = 0; + } else + err = -EOPNOTSUPP; + out: kfree(tvp); return err; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index e4f211735efb..05bdec9bc5aa 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -255,52 +255,39 @@ typedef enum dtv_cmd_types { DTV_TUNE, DTV_CLEAR, - DTV_SET_FREQUENCY, - DTV_SET_MODULATION, - DTV_SET_BANDWIDTH, - DTV_SET_INVERSION, - DTV_SET_DISEQC_MASTER, - DTV_SET_SYMBOL_RATE, - DTV_SET_INNER_FEC, - DTV_SET_VOLTAGE, - DTV_SET_TONE, - DTV_SET_PILOT, - DTV_SET_ROLLOFF, - - DTV_GET_FREQUENCY, - DTV_GET_MODULATION, - DTV_GET_BANDWIDTH, - DTV_GET_INVERSION, - DTV_GET_DISEQC_SLAVE_REPLY, - DTV_GET_SYMBOL_RATE, - DTV_GET_INNER_FEC, - DTV_GET_VOLTAGE, - DTV_GET_TONE, - DTV_GET_PILOT, - DTV_GET_ROLLOFF, + DTV_FREQUENCY, + DTV_MODULATION, + DTV_BANDWIDTH, + DTV_INVERSION, + DTV_DISEQC_MASTER, + DTV_SYMBOL_RATE, + DTV_INNER_FEC, + DTV_VOLTAGE, + DTV_TONE, + DTV_PILOT, + DTV_ROLLOFF, + + DTV_DISEQC_SLAVE_REPLY, /* Basic enumeration set for querying unlimited capabilities */ - DTV_GET_FE_CAPABILITY_COUNT, - DTV_GET_FE_CAPABILITY, + DTV_FE_CAPABILITY_COUNT, + DTV_FE_CAPABILITY, /* New commands are always appended */ - DTV_SET_DELIVERY_SYSTEM, - DTV_GET_DELIVERY_SYSTEM, + DTV_DELIVERY_SYSTEM, /* ISDB-T */ - DTV_SET_ISDB_SEGMENT_IDX, - DTV_GET_ISDB_SEGMENT_IDX, - DTV_SET_ISDB_SEGMENT_WIDTH, - DTV_GET_ISDB_SEGMENT_WIDTH, - DTV_GET_ISDB_LAYERA_FEC, - DTV_GET_ISDB_LAYERA_MODULATION, - DTV_GET_ISDB_LAYERA_SEGMENT_WIDTH, - DTV_GET_ISDB_LAYERB_FEC, - DTV_GET_ISDB_LAYERB_MODULATION, - DTV_GET_ISDB_LAYERB_SEGMENT_WIDTH, - DTV_GET_ISDB_LAYERC_FEC, - DTV_GET_ISDB_LAYERC_MODULATION, - DTV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + DTV_ISDB_SEGMENT_IDX, + DTV_ISDB_SEGMENT_WIDTH, + DTV_ISDB_LAYERA_FEC, + DTV_ISDB_LAYERA_MODULATION, + DTV_ISDB_LAYERA_SEGMENT_WIDTH, + DTV_ISDB_LAYERB_FEC, + DTV_ISDB_LAYERB_MODULATION, + DTV_ISDB_LAYERB_SEGMENT_WIDTH, + DTV_ISDB_LAYERC_FEC, + DTV_ISDB_LAYERC_MODULATION, + DTV_ISDB_LAYERC_SEGMENT_WIDTH, } dtv_cmd_types_t; -- GitLab From bfbf2dae30ed75bceccc6a88d2d9368694d6bf40 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 12 Sep 2008 01:37:37 -0300 Subject: [PATCH 3907/6244] V4L/DVB (9004): S2API: Implement GET/SET handing to the demods The frontends will be notified (if they chose) of all _get and _set commands so they can help determine result or action. Results are now returned to userspace correctly. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 21 +++++++++++++++++---- drivers/media/dvb/dvb-core/dvb_frontend.h | 1 - drivers/media/dvb/frontends/cx24116.c | 6 +++--- 3 files changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 2ed748486e57..8bc3c0842b3d 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1104,6 +1104,13 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, dtv_property_dump(tvp); + /* Allow the frontend to validate incoming properties */ + if (fe->ops.get_property) + r = fe->ops.get_property(fe, tvp); + + if (r < 0) + return r; + switch(tvp->cmd) { case DTV_FREQUENCY: tvp->u.data = fe->dtv_property_cache.frequency; @@ -1188,6 +1195,13 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, printk("%s()\n", __FUNCTION__); dtv_property_dump(tvp); + /* Allow the frontend to validate incoming properties */ + if (fe->ops.set_property) + r = fe->ops.set_property(fe, tvp); + + if (r < 0) + return r; + switch(tvp->cmd) { case DTV_CLEAR: /* Reset a cache of data specific to the frontend here. This does @@ -1331,12 +1345,12 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, } for (i = 0; i < tvps->num; i++) - dtv_property_process_set(fe, tvp + i, inode, file); + err |= dtv_property_process_set(fe, tvp + i, inode, file); if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } - err = 0; + } else if(cmd == FE_GET_PROPERTY) { printk("%s() FE_GET_PROPERTY\n", __FUNCTION__); @@ -1364,14 +1378,13 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, } for (i = 0; i < tvps->num; i++) - dtv_property_process_get(fe, tvp + i, inode, file); + err |= dtv_property_process_get(fe, tvp + i, inode, file); if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; goto out; } - err = 0; } else err = -EOPNOTSUPP; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 1c2090966baf..784e8fe1d3bd 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -172,7 +172,6 @@ struct dvb_frontend_ops { int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp); int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp); - int (*set_params)(struct dvb_frontend* fe); }; #define MAX_EVENT 8 diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 9f93930a2594..0ac2c5493087 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -802,9 +802,9 @@ static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tv return 0; } -static int cx24116_set_params(struct dvb_frontend *fe) +static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp) { - dprintk("%s(..) We were notified that a tune request may occur\n", __func__); + dprintk("%s(..)\n", __func__); return 0; } @@ -964,7 +964,7 @@ static struct dvb_frontend_ops cx24116_ops = { .diseqc_send_burst = cx24116_diseqc_send_burst, .set_property = cx24116_set_property, - .set_params = cx24116_set_params, + .get_property = cx24116_get_property, .set_frontend = cx24116_set_frontend, }; -- GitLab From e6f9ec86575358309cf9d4b2643df2f3b1f6f9fa Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Fri, 12 Sep 2008 14:49:06 -0300 Subject: [PATCH 3908/6244] V4L/DVB (9005): Bug fix: ioctl FE_SET_PROPERTY/FE_GET_PROPERTY always return error Bug fix: ioctl FE_SET_PROPERTY/FE_GET_PROPERTY always return error Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 8bc3c0842b3d..161ebcf9258a 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1311,7 +1311,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, { struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; - int err = -EOPNOTSUPP; + int err = 0; struct dtv_properties *tvps = NULL; struct dtv_property *tvp = NULL; -- GitLab From 4dd88bec368a6e4caa86a511f7adbc4c08992c5c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 13 Sep 2008 15:09:07 -0300 Subject: [PATCH 3909/6244] V4L/DVB (9006): S2API: Allow reliable use of old and new api on the same frontend, regardless. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 161ebcf9258a..6b914f9a03c5 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1299,8 +1299,10 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY)) err = dvb_frontend_ioctl_properties(inode, file, cmd, parg); - else + else { + fe->dtv_property_cache.state = DTV_UNDEFINED; err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg); + } up(&fepriv->sem); return err; @@ -1567,8 +1569,6 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - dtv_property_cache_sync(fe, &fepriv->parameters); - if(fe->dtv_property_cache.state == DTV_TUNE) { if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { err = -EINVAL; @@ -1580,6 +1580,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, break; } + dtv_property_cache_sync(fe, &fepriv->parameters); memcpy (&fepriv->parameters, parg, sizeof (struct dvb_frontend_parameters)); } -- GitLab From 75b7f9437b1cf63750bb58efaaeb6d72d04b3c7f Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 13 Sep 2008 16:56:34 -0300 Subject: [PATCH 3910/6244] V4L/DVB (9007): S2API: Changed bandwidth to be expressed in HZ Also added some compat code for the older API. Added more ISDB message/command suggestions, current not connected in dvb-core. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 33 ++++++++++++++++------- drivers/media/dvb/dvb-core/dvb_frontend.h | 2 +- include/linux/dvb/frontend.h | 27 ++++++++++++++++--- 3 files changed, 49 insertions(+), 13 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 6b914f9a03c5..7dffb48e55e5 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -773,9 +773,9 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_FREQUENCY, .set = 1, }, - [DTV_BANDWIDTH] = { - .name = "DTV_BANDWIDTH", - .cmd = DTV_BANDWIDTH, + [DTV_BANDWIDTH_HZ] = { + .name = "DTV_BANDWIDTH_HZ", + .cmd = DTV_BANDWIDTH_HZ, .set = 1, }, [DTV_MODULATION] = { @@ -954,7 +954,15 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame c->delivery_system = SYS_DVBC_ANNEX_AC; break; case FE_OFDM: - c->bandwidth = p->u.ofdm.bandwidth; + if (p->u.ofdm.bandwidth == BANDWIDTH_6_MHZ) + c->bandwidth_hz = 6000000; + else if (p->u.ofdm.bandwidth == BANDWIDTH_7_MHZ) + c->bandwidth_hz = 7000000; + else if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) + c->bandwidth_hz = 8000000; + else + /* Including BANDWIDTH_AUTO */ + c->bandwidth_hz = 0; c->code_rate_HP = p->u.ofdm.code_rate_HP; c->code_rate_LP = p->u.ofdm.code_rate_LP; c->modulation = p->u.ofdm.constellation; @@ -1003,7 +1011,14 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe) break; case FE_OFDM: printk("%s() Preparing OFDM req\n", __FUNCTION__); - p->u.ofdm.bandwidth = c->bandwidth; + if (c->bandwidth_hz == 6000000) + p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ; + else if (c->bandwidth_hz == 7000000) + p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ; + else if (c->bandwidth_hz == 8000000) + p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ; + else + p->u.ofdm.bandwidth = BANDWIDTH_AUTO; p->u.ofdm.code_rate_HP = c->code_rate_HP; p->u.ofdm.code_rate_LP = c->code_rate_LP; p->u.ofdm.constellation = c->modulation; @@ -1118,8 +1133,8 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_MODULATION: tvp->u.data = fe->dtv_property_cache.modulation; break; - case DTV_BANDWIDTH: - tvp->u.data = fe->dtv_property_cache.bandwidth; + case DTV_BANDWIDTH_HZ: + tvp->u.data = fe->dtv_property_cache.bandwidth_hz; break; case DTV_INVERSION: tvp->u.data = fe->dtv_property_cache.inversion; @@ -1230,8 +1245,8 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_MODULATION: fe->dtv_property_cache.modulation = tvp->u.data; break; - case DTV_BANDWIDTH: - fe->dtv_property_cache.bandwidth = tvp->u.data; + case DTV_BANDWIDTH_HZ: + fe->dtv_property_cache.bandwidth_hz = tvp->u.data; break; case DTV_INVERSION: fe->dtv_property_cache.inversion = tvp->u.data; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 784e8fe1d3bd..2fa37f5a0d9a 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -198,7 +198,7 @@ struct dtv_frontend_properties { fe_spectral_inversion_t inversion; fe_code_rate_t fec_inner; fe_transmit_mode_t transmission_mode; - fe_bandwidth_t bandwidth; + u32 bandwidth_hz; /* 0 = AUTO */ fe_guard_interval_t guard_interval; fe_hierarchy_t hierarchy; u32 symbol_rate; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 05bdec9bc5aa..4f3fd641ccb8 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -257,7 +257,12 @@ typedef enum dtv_cmd_types { DTV_FREQUENCY, DTV_MODULATION, - DTV_BANDWIDTH, + + /* XXX PB: I would like to have field which describes the + * bandwidth of a channel in Hz or kHz - maybe we can remove the + * DTV_BANDWIDTH now and put a compat layer */ + DTV_BANDWIDTH_HZ, + DTV_INVERSION, DTV_DISEQC_MASTER, DTV_SYMBOL_RATE, @@ -276,18 +281,34 @@ typedef enum dtv_cmd_types { /* New commands are always appended */ DTV_DELIVERY_SYSTEM, - /* ISDB-T */ + /* ISDB */ + /* maybe a dup of DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID ??? */ DTV_ISDB_SEGMENT_IDX, - DTV_ISDB_SEGMENT_WIDTH, + DTV_ISDB_SEGMENT_WIDTH, /* 1, 3 or 13 ??? */ + + /* the central segment can be received independently or 1/3 seg in SB-mode */ + DTV_ISDB_PARTIAL_RECEPTION, + /* sound broadcasting is used 0 = 13segment, 1 = 1 or 3 see DTV_ISDB_PARTIAL_RECEPTION */ + DTV_ISDB_SOUND_BROADCASTING, + + /* only used in SB */ + /* determines the initial PRBS of the segment (to match with 13seg channel) */ + DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID, + DTV_ISDB_LAYERA_FEC, DTV_ISDB_LAYERA_MODULATION, DTV_ISDB_LAYERA_SEGMENT_WIDTH, + DTV_ISDB_LAYERA_TIME_INTERLEAVER, + DTV_ISDB_LAYERB_FEC, DTV_ISDB_LAYERB_MODULATION, DTV_ISDB_LAYERB_SEGMENT_WIDTH, + DTV_ISDB_LAYERB_TIME_INTERLEAVING, + DTV_ISDB_LAYERC_FEC, DTV_ISDB_LAYERC_MODULATION, DTV_ISDB_LAYERC_SEGMENT_WIDTH, + DTV_ISDB_LAYERC_TIME_INTERLEAVING, } dtv_cmd_types_t; -- GitLab From 1d78cac4779be3ae6bef4791b3b12928e2499fef Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 13 Sep 2008 18:15:17 -0300 Subject: [PATCH 3911/6244] V4L/DVB (9008): S2API: Bugfix related to syncing the cache when used with the old API. Many thanks to Darron Broad for pointing out the obvious. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 7dffb48e55e5..05d0b73cf9a3 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1595,9 +1595,9 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, break; } - dtv_property_cache_sync(fe, &fepriv->parameters); memcpy (&fepriv->parameters, parg, sizeof (struct dvb_frontend_parameters)); + dtv_property_cache_sync(fe, &fepriv->parameters); } memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings)); -- GitLab From 83fe92e71ef736a26a6eedd0822b34ed5af077f0 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Sat, 13 Sep 2008 19:22:15 -0300 Subject: [PATCH 3912/6244] V4L/DVB (9009): Nova-se2 / Nova-s-plus Intersil6421 power fix to support switches. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-dvb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 5ff6e9d28713..891acb50bd99 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -847,7 +847,7 @@ static int dvb_register(struct cx8802_dev *dev) &core->i2c_adap); if (dev->dvb.frontend) { if (!dvb_attach(isl6421_attach, dev->dvb.frontend, - &core->i2c_adap, 0x08, 0x00, 0x00)) + &core->i2c_adap, 0x08, ISL6421_DCL, 0x00)) goto frontend_detach; } break; @@ -950,7 +950,7 @@ static int dvb_register(struct cx8802_dev *dev) } break; case CX88_BOARD_TEVII_S460: - dev->dvb.frontend = dvb_attach(cx24116_attach, + dev->dvb.frontend = dvb_attach(cx24116_attach, &tevii_s460_config, &core->i2c_adap); if (dev->dvb.frontend != NULL) { -- GitLab From a611d0ca006fe76d88b8dd5ac44f4468293b6760 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sat, 13 Sep 2008 10:10:53 -0300 Subject: [PATCH 3913/6244] V4L/DVB (9010): Add support for SDMC DM1105 PCI chip Add support for SDMC DM1105 PCI chip. There is a lot of cards based on it, like DvbWorld 2002 DVB-S , 2004 DVB-S2 Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/Kconfig | 4 + drivers/media/dvb/Makefile | 2 +- drivers/media/dvb/dm1105/Kconfig | 14 + drivers/media/dvb/dm1105/Makefile | 3 + drivers/media/dvb/dm1105/dm1105.c | 917 ++++++++++++++++++++++++++++++ 5 files changed, 939 insertions(+), 1 deletion(-) create mode 100644 drivers/media/dvb/dm1105/Kconfig create mode 100644 drivers/media/dvb/dm1105/Makefile create mode 100644 drivers/media/dvb/dm1105/dm1105.c diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index 8bc1445bd33b..5858744e70de 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -35,6 +35,10 @@ comment "Supported Pluto2 Adapters" depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/pluto2/Kconfig" +comment "Supported SDMC DM1105 Adapters" + depends on DVB_CORE && PCI && I2C +source "drivers/media/dvb/dm1105/Kconfig" + comment "Supported DVB Frontends" depends on DVB_CORE source "drivers/media/dvb/frontends/Kconfig" diff --git a/drivers/media/dvb/Makefile b/drivers/media/dvb/Makefile index d6ba4d195201..ea953a03e24d 100644 --- a/drivers/media/dvb/Makefile +++ b/drivers/media/dvb/Makefile @@ -2,4 +2,4 @@ # Makefile for the kernel multimedia device drivers. # -obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ cinergyT2/ dvb-usb/ pluto2/ siano/ +obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ cinergyT2/ dvb-usb/ pluto2/ siano/ dm1105/ diff --git a/drivers/media/dvb/dm1105/Kconfig b/drivers/media/dvb/dm1105/Kconfig new file mode 100644 index 000000000000..fc2ca7dca6b2 --- /dev/null +++ b/drivers/media/dvb/dm1105/Kconfig @@ -0,0 +1,14 @@ +config DVB_DM1105 + tristate "SDMC DM1105 based PCI cards" + depends on DVB_CORE && PCI && I2C + select DVB_PLL if !DVB_FE_CUSTOMISE + select DVB_STV0299 if !DVB_FE_CUSTOMISE + help + Support for cards based on the SDMC DM1105 PCI chip like + DvbWorld 2002 + + Since these cards have no MPEG decoder onboard, they transmit + only compressed MPEG data over the PCI bus, so you need + an external software decoder to watch TV on your computer. + + Say Y or M if you own such a device and want to use it. diff --git a/drivers/media/dvb/dm1105/Makefile b/drivers/media/dvb/dm1105/Makefile new file mode 100644 index 000000000000..8ac28b0546af --- /dev/null +++ b/drivers/media/dvb/dm1105/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_DVB_DM1105) += dm1105.o + +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c new file mode 100644 index 000000000000..fe8d0e58c0ea --- /dev/null +++ b/drivers/media/dvb/dm1105/dm1105.c @@ -0,0 +1,917 @@ +/* + * dm1105.c - driver for DVB cards based on SDMC DM1105 PCI chip + * + * Copyright (C) 2008 Igor M. Liplianin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "demux.h" +#include "dmxdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" +#include "dvbdev.h" +#include "dvb-pll.h" + +#include "stv0299.h" +/*#include "stv0288.h" + *#include "si21xx.h" + *#include "stb6000.h" + *#include "cx24116.h"*/ +#include "z0194a.h" + +/* ----------------------------------------------- */ +/* + * PCI ID's + */ +#ifndef PCI_VENDOR_ID_TRIGEM +#define PCI_VENDOR_ID_TRIGEM 0x109f +#endif +#ifndef PCI_DEVICE_ID_DM1105 +#define PCI_DEVICE_ID_DM1105 0x036f +#endif +#ifndef PCI_DEVICE_ID_DW2002 +#define PCI_DEVICE_ID_DW2002 0x2002 +#endif +#ifndef PCI_DEVICE_ID_DW2004 +#define PCI_DEVICE_ID_DW2004 0x2004 +#endif +/* ----------------------------------------------- */ +/* sdmc dm1105 registers */ + +/* TS Control */ +#define DM1105_TSCTR 0x00 +#define DM1105_DTALENTH 0x04 + +/* GPIO Interface */ +#define DM1105_GPIOVAL 0x08 +#define DM1105_GPIOCTR 0x0c + +/* PID serial number */ +#define DM1105_PIDN 0x10 + +/* Odd-even secret key select */ +#define DM1105_CWSEL 0x14 + +/* Host Command Interface */ +#define DM1105_HOST_CTR 0x18 +#define DM1105_HOST_AD 0x1c + +/* PCI Interface */ +#define DM1105_CR 0x30 +#define DM1105_RST 0x34 +#define DM1105_STADR 0x38 +#define DM1105_RLEN 0x3c +#define DM1105_WRP 0x40 +#define DM1105_INTCNT 0x44 +#define DM1105_INTMAK 0x48 +#define DM1105_INTSTS 0x4c + +/* CW Value */ +#define DM1105_ODD 0x50 +#define DM1105_EVEN 0x58 + +/* PID Value */ +#define DM1105_PID 0x60 + +/* IR Control */ +#define DM1105_IRCTR 0x64 +#define DM1105_IRMODE 0x68 +#define DM1105_SYSTEMCODE 0x6c +#define DM1105_IRCODE 0x70 + +/* Unknown Values */ +#define DM1105_ENCRYPT 0x74 +#define DM1105_VER 0x7c + +/* I2C Interface */ +#define DM1105_I2CCTR 0x80 +#define DM1105_I2CSTS 0x81 +#define DM1105_I2CDAT 0x82 +#define DM1105_I2C_RA 0x83 +/* ----------------------------------------------- */ +/* Interrupt Mask Bits */ + +#define INTMAK_TSIRQM 0x01 +#define INTMAK_HIRQM 0x04 +#define INTMAK_IRM 0x08 +#define INTMAK_ALLMASK (INTMAK_TSIRQM | \ + INTMAK_HIRQM | \ + INTMAK_IRM) +#define INTMAK_NONEMASK 0x00 + +/* Interrupt Status Bits */ +#define INTSTS_TSIRQ 0x01 +#define INTSTS_HIRQ 0x04 +#define INTSTS_IR 0x08 + +/* IR Control Bits */ +#define DM1105_IR_EN 0x01 +#define DM1105_SYS_CHK 0x02 +#define DM1105_REP_FLG 0x08 + +/* EEPROM addr */ +#define IIC_24C01_addr 0xa0 +/* Max board count */ +#define DM1105_MAX 0x04 + +#define DRIVER_NAME "dm1105" + +#define DM1105_DMA_PACKETS 47 +#define DM1105_DMA_PACKET_LENGTH (128*4) +#define DM1105_DMA_BYTES (128 * 4 * DM1105_DMA_PACKETS) + +/* GPIO's for LNB power control */ +#define DM1105_LNB_MASK 0x00000000 +#define DM1105_LNB_13V 0x00010100 +#define DM1105_LNB_18V 0x00000100 + +static int ir_debug; +module_param(ir_debug, int, 0644); +MODULE_PARM_DESC(ir_debug, "enable debugging information for IR decoding"); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +static u16 ir_codes_dm1105_nec[128] = { + [0x0a] = KEY_Q, /*power*/ + [0x0c] = KEY_M, /*mute*/ + [0x11] = KEY_1, + [0x12] = KEY_2, + [0x13] = KEY_3, + [0x14] = KEY_4, + [0x15] = KEY_5, + [0x16] = KEY_6, + [0x17] = KEY_7, + [0x18] = KEY_8, + [0x19] = KEY_9, + [0x10] = KEY_0, + [0x1c] = KEY_PAGEUP, /*ch+*/ + [0x0f] = KEY_PAGEDOWN, /*ch-*/ + [0x1a] = KEY_O, /*vol+*/ + [0x0e] = KEY_Z, /*vol-*/ + [0x04] = KEY_R, /*rec*/ + [0x09] = KEY_D, /*fav*/ + [0x08] = KEY_BACKSPACE, /*rewind*/ + [0x07] = KEY_A, /*fast*/ + [0x0b] = KEY_P, /*pause*/ + [0x02] = KEY_ESC, /*cancel*/ + [0x03] = KEY_G, /*tab*/ + [0x00] = KEY_UP, /*up*/ + [0x1f] = KEY_ENTER, /*ok*/ + [0x01] = KEY_DOWN, /*down*/ + [0x05] = KEY_C, /*cap*/ + [0x06] = KEY_S, /*stop*/ + [0x40] = KEY_F, /*full*/ + [0x1e] = KEY_W, /*tvmode*/ + [0x1b] = KEY_B, /*recall*/ +}; + +/* infrared remote control */ +struct infrared { + u16 key_map[128]; + struct input_dev *input_dev; + char input_phys[32]; + struct tasklet_struct ir_tasklet; + u32 ir_command; +}; + +struct dm1105dvb { + /* pci */ + struct pci_dev *pdev; + u8 __iomem *io_mem; + + /* ir */ + struct infrared ir; + + /* dvb */ + struct dmx_frontend hw_frontend; + struct dmx_frontend mem_frontend; + struct dmxdev dmxdev; + struct dvb_adapter dvb_adapter; + struct dvb_demux demux; + struct dvb_frontend *fe; + struct dvb_net dvbnet; + unsigned int full_ts_users; + + /* i2c */ + struct i2c_adapter i2c_adap; + + /* dma */ + dma_addr_t dma_addr; + unsigned char *ts_buf; + u32 wrp; + u32 buffer_size; + unsigned int PacketErrorCount; + unsigned int dmarst; + spinlock_t lock; + +}; + +#define dm_io_mem(reg) ((unsigned long)(&dm1105dvb->io_mem[reg])) + +static struct dm1105dvb *dm1105dvb_local; + +static int dm1105_i2c_xfer(struct i2c_adapter *i2c_adap, + struct i2c_msg *msgs, int num) +{ + struct dm1105dvb *dm1105dvb ; + + int addr, rc, i, j, k, len, byte, data; + u8 status; + + dm1105dvb = i2c_adap->algo_data; + for (i = 0; i < num; i++) { + outb(0x00, dm_io_mem(DM1105_I2CCTR)); + if (msgs[i].flags & I2C_M_RD) { + /* read bytes */ + addr = msgs[i].addr << 1; + addr |= 1; + outb(addr, dm_io_mem(DM1105_I2CDAT)); + for (byte = 0; byte < msgs[i].len; byte++) + outb(0, dm_io_mem(DM1105_I2CDAT + byte + 1)); + + outb(0x81 + msgs[i].len, dm_io_mem(DM1105_I2CCTR)); + for (j = 0; j < 55; j++) { + mdelay(10); + status = inb(dm_io_mem(DM1105_I2CSTS)); + if ((status & 0xc0) == 0x40) + break; + } + if (j >= 55) + return -1; + + for (byte = 0; byte < msgs[i].len; byte++) { + rc = inb(dm_io_mem(DM1105_I2CDAT + byte + 1)); + if (rc < 0) + goto err; + msgs[i].buf[byte] = rc; + } + } else { + if ((msgs[i].buf[0] == 0xf7) && (msgs[i].addr == 0x55)) { + /* prepaired for cx24116 firmware */ + /* Write in small blocks */ + len = msgs[i].len - 1; + k = 1; + do { + outb(msgs[i].addr << 1, dm_io_mem(DM1105_I2CDAT)); + outb(0xf7, dm_io_mem(DM1105_I2CDAT + 1)); + for (byte = 0; byte < (len > 48 ? 48 : len); byte++) { + data = msgs[i].buf[k+byte]; + outb(data, dm_io_mem(DM1105_I2CDAT + byte + 2)); + } + outb(0x82 + (len > 48 ? 48 : len), dm_io_mem(DM1105_I2CCTR)); + for (j = 0; j < 25; j++) { + mdelay(10); + status = inb(dm_io_mem(DM1105_I2CSTS)); + if ((status & 0xc0) == 0x40) + break; + } + + if (j >= 25) + return -1; + + k += 48; + len -= 48; + } while (len > 0); + } else { + /* write bytes */ + outb(msgs[i].addr<<1, dm_io_mem(DM1105_I2CDAT)); + for (byte = 0; byte < msgs[i].len; byte++) { + data = msgs[i].buf[byte]; + outb(data, dm_io_mem(DM1105_I2CDAT + byte + 1)); + } + outb(0x81 + msgs[i].len, dm_io_mem(DM1105_I2CCTR)); + for (j = 0; j < 25; j++) { + mdelay(10); + status = inb(dm_io_mem(DM1105_I2CSTS)); + if ((status & 0xc0) == 0x40) + break; + } + + if (j >= 25) + return -1; + } + } + } + return num; + err: + return rc; +} + +static u32 functionality(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm dm1105_algo = { + .master_xfer = dm1105_i2c_xfer, + .functionality = functionality, +}; + +static inline struct dm1105dvb *feed_to_dm1105dvb(struct dvb_demux_feed *feed) +{ + return container_of(feed->demux, struct dm1105dvb, demux); +} + +static inline struct dm1105dvb *frontend_to_dm1105dvb(struct dvb_frontend *fe) +{ + return container_of(fe->dvb, struct dm1105dvb, dvb_adapter); +} + +static int dm1105dvb_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) +{ + struct dm1105dvb *dm1105dvb = frontend_to_dm1105dvb(fe); + + if (voltage == SEC_VOLTAGE_18) { + outl(DM1105_LNB_MASK, dm_io_mem(DM1105_GPIOCTR)); + outl(DM1105_LNB_18V, dm_io_mem(DM1105_GPIOVAL)); + } else { + /*LNB ON-13V by default!*/ + outl(DM1105_LNB_MASK, dm_io_mem(DM1105_GPIOCTR)); + outl(DM1105_LNB_13V, dm_io_mem(DM1105_GPIOVAL)); + } + + return 0; +} + +static void dm1105dvb_set_dma_addr(struct dm1105dvb *dm1105dvb) +{ + outl(cpu_to_le32(dm1105dvb->dma_addr), dm_io_mem(DM1105_STADR)); +} + +static int __devinit dm1105dvb_dma_map(struct dm1105dvb *dm1105dvb) +{ + dm1105dvb->ts_buf = pci_alloc_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, &dm1105dvb->dma_addr); + + return pci_dma_mapping_error(dm1105dvb->pdev, dm1105dvb->dma_addr); +} + +static void dm1105dvb_dma_unmap(struct dm1105dvb *dm1105dvb) +{ + pci_free_consistent(dm1105dvb->pdev, 6*DM1105_DMA_BYTES, dm1105dvb->ts_buf, dm1105dvb->dma_addr); +} + +static void __devinit dm1105dvb_enable_irqs(struct dm1105dvb *dm1105dvb) +{ + outb(INTMAK_ALLMASK, dm_io_mem(DM1105_INTMAK)); + outb(1, dm_io_mem(DM1105_CR)); +} + +static void dm1105dvb_disable_irqs(struct dm1105dvb *dm1105dvb) +{ + outb(INTMAK_IRM, dm_io_mem(DM1105_INTMAK)); + outb(0, dm_io_mem(DM1105_CR)); +} + +static int dm1105dvb_start_feed(struct dvb_demux_feed *f) +{ + struct dm1105dvb *dm1105dvb = feed_to_dm1105dvb(f); + + if (dm1105dvb->full_ts_users++ == 0) + dm1105dvb_enable_irqs(dm1105dvb); + + return 0; +} + +static int dm1105dvb_stop_feed(struct dvb_demux_feed *f) +{ + struct dm1105dvb *dm1105dvb = feed_to_dm1105dvb(f); + + if (--dm1105dvb->full_ts_users == 0) + dm1105dvb_disable_irqs(dm1105dvb); + + return 0; +} + +/* ir tasklet */ +static void dm1105_emit_key(unsigned long parm) +{ + struct infrared *ir = (struct infrared *) parm; + u32 ircom = ir->ir_command; + u8 data; + u16 keycode; + + data = (ircom >> 8) & 0x7f; + + input_event(ir->input_dev, EV_MSC, MSC_RAW, (0x0000f8 << 16) | data); + input_event(ir->input_dev, EV_MSC, MSC_SCAN, data); + keycode = ir->key_map[data]; + + if (!keycode) + return; + + input_event(ir->input_dev, EV_KEY, keycode, 1); + input_sync(ir->input_dev); + input_event(ir->input_dev, EV_KEY, keycode, 0); + input_sync(ir->input_dev); + +} + +static irqreturn_t dm1105dvb_irq(int irq, void *dev_id) +{ + struct dm1105dvb *dm1105dvb = dev_id; + unsigned int piece; + unsigned int nbpackets; + u32 command; + u32 nextwrp; + u32 oldwrp; + + /* Read-Write INSTS Ack's Interrupt for DM1105 chip 16.03.2008 */ + unsigned int intsts = inb(dm_io_mem(DM1105_INTSTS)); + outb(intsts, dm_io_mem(DM1105_INTSTS)); + + switch (intsts) { + case INTSTS_TSIRQ: + case (INTSTS_TSIRQ | INTSTS_IR): + nextwrp = inl(dm_io_mem(DM1105_WRP)) - + inl(dm_io_mem(DM1105_STADR)) ; + oldwrp = dm1105dvb->wrp; + spin_lock(&dm1105dvb->lock); + if (!((dm1105dvb->ts_buf[oldwrp] == 0x47) && + (dm1105dvb->ts_buf[oldwrp + 188] == 0x47) && + (dm1105dvb->ts_buf[oldwrp + 188 * 2] == 0x47))) { + dm1105dvb->PacketErrorCount++; + /* bad packet found */ + if ((dm1105dvb->PacketErrorCount >= 2) && + (dm1105dvb->dmarst == 0)) { + outb(1, dm_io_mem(DM1105_RST)); + dm1105dvb->wrp = 0; + dm1105dvb->PacketErrorCount = 0; + dm1105dvb->dmarst = 0; + spin_unlock(&dm1105dvb->lock); + return IRQ_HANDLED; + } + } + if (nextwrp < oldwrp) { + piece = dm1105dvb->buffer_size - oldwrp; + memcpy(dm1105dvb->ts_buf + dm1105dvb->buffer_size, dm1105dvb->ts_buf, nextwrp); + nbpackets = (piece + nextwrp)/188; + } else { + nbpackets = (nextwrp - oldwrp)/188; + } + dvb_dmx_swfilter_packets(&dm1105dvb->demux, &dm1105dvb->ts_buf[oldwrp], nbpackets); + dm1105dvb->wrp = nextwrp; + spin_unlock(&dm1105dvb->lock); + break; + case INTSTS_IR: + command = inl(dm_io_mem(DM1105_IRCODE)); + if (ir_debug) + printk("dm1105: received byte 0x%04x\n", command); + + dm1105dvb->ir.ir_command = command; + tasklet_schedule(&dm1105dvb->ir.ir_tasklet); + break; + } + return IRQ_HANDLED; + + +} + +/* register with input layer */ +static void input_register_keys(struct infrared *ir) +{ + int i; + + memset(ir->input_dev->keybit, 0, sizeof(ir->input_dev->keybit)); + + for (i = 0; i < ARRAY_SIZE(ir->key_map); i++) + set_bit(ir->key_map[i], ir->input_dev->keybit); + + ir->input_dev->keycode = ir->key_map; + ir->input_dev->keycodesize = sizeof(ir->key_map[0]); + ir->input_dev->keycodemax = ARRAY_SIZE(ir->key_map); +} + +int __devinit dm1105_ir_init(struct dm1105dvb *dm1105) +{ + struct input_dev *input_dev; + int err; + + dm1105dvb_local = dm1105; + + input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + dm1105->ir.input_dev = input_dev; + snprintf(dm1105->ir.input_phys, sizeof(dm1105->ir.input_phys), + "pci-%s/ir0", pci_name(dm1105->pdev)); + + input_dev->evbit[0] = BIT(EV_KEY); + input_dev->name = "DVB on-card IR receiver"; + + input_dev->phys = dm1105->ir.input_phys; + input_dev->id.bustype = BUS_PCI; + input_dev->id.version = 2; + if (dm1105->pdev->subsystem_vendor) { + input_dev->id.vendor = dm1105->pdev->subsystem_vendor; + input_dev->id.product = dm1105->pdev->subsystem_device; + } else { + input_dev->id.vendor = dm1105->pdev->vendor; + input_dev->id.product = dm1105->pdev->device; + } + input_dev->dev.parent = &dm1105->pdev->dev; + /* initial keymap */ + memcpy(dm1105->ir.key_map, ir_codes_dm1105_nec, sizeof dm1105->ir.key_map); + input_register_keys(&dm1105->ir); + err = input_register_device(input_dev); + if (err) { + input_free_device(input_dev); + return err; + } + + tasklet_init(&dm1105->ir.ir_tasklet, dm1105_emit_key, (unsigned long) &dm1105->ir); + + return 0; +} + + +void __devexit dm1105_ir_exit(struct dm1105dvb *dm1105) +{ + tasklet_kill(&dm1105->ir.ir_tasklet); + input_unregister_device(dm1105->ir.input_dev); + +} + +static int __devinit dm1105dvb_hw_init(struct dm1105dvb *dm1105dvb) +{ + dm1105dvb_disable_irqs(dm1105dvb); + + outb(0, dm_io_mem(DM1105_HOST_CTR)); + + /*DATALEN 188,*/ + outb(188, dm_io_mem(DM1105_DTALENTH)); + /*TS_STRT TS_VALP MSBFIRST TS_MODE ALPAS TSPES*/ + outw(0xc10a, dm_io_mem(DM1105_TSCTR)); + + /* map DMA and set address */ + dm1105dvb_dma_map(dm1105dvb); + dm1105dvb_set_dma_addr(dm1105dvb); + /* big buffer */ + outl(5*DM1105_DMA_BYTES, dm_io_mem(DM1105_RLEN)); + outb(47, dm_io_mem(DM1105_INTCNT)); + + /* IR NEC mode enable */ + outb((DM1105_IR_EN | DM1105_SYS_CHK), dm_io_mem(DM1105_IRCTR)); + outb(0, dm_io_mem(DM1105_IRMODE)); + outw(0, dm_io_mem(DM1105_SYSTEMCODE)); + + return 0; +} + +static void dm1105dvb_hw_exit(struct dm1105dvb *dm1105dvb) +{ + dm1105dvb_disable_irqs(dm1105dvb); + + /* IR disable */ + outb(0, dm_io_mem(DM1105_IRCTR)); + outb(INTMAK_NONEMASK, dm_io_mem(DM1105_INTMAK)); + + dm1105dvb_dma_unmap(dm1105dvb); +} +#if 0 +static struct stv0288_config earda_config = { + .demod_address = 0x68, + .min_delay_ms = 100, +}; + +static struct si21xx_config serit_config = { + .demod_address = 0x68, + .min_delay_ms = 100, + +}; + +static struct cx24116_config serit_sp2633_config = { + .demod_address = 0x55, +}; +#endif /* keep */ + +static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) +{ + int ret; + + switch (dm1105dvb->pdev->subsystem_device) { + case PCI_DEVICE_ID_DW2002: + dm1105dvb->fe = dvb_attach( + stv0299_attach, &sharp_z0194a_config, + &dm1105dvb->i2c_adap); + + if (dm1105dvb->fe) { + dm1105dvb->fe->ops.set_voltage = + dm1105dvb_set_voltage; + dvb_attach(dvb_pll_attach, dm1105dvb->fe, 0x60, + &dm1105dvb->i2c_adap, DVB_PLL_OPERA1); + } +#if 0 + if (!dm1105dvb->fe) { + dm1105dvb->fe = dvb_attach( + stv0288_attach, &earda_config, + &dm1105dvb->i2c_adap); + if (dm1105dvb->fe) { + dm1105dvb->fe->ops.set_voltage = + dm1105dvb_set_voltage; + dvb_attach(stb6000_attach, dm1105dvb->fe, 0x61, + &dm1105dvb->i2c_adap); + } + } + + if (!dm1105dvb->fe) { + dm1105dvb->fe = dvb_attach( + si21xx_attach, &serit_config, + &dm1105dvb->i2c_adap); + if (dm1105dvb->fe) + dm1105dvb->fe->ops.set_voltage = + dm1105dvb_set_voltage; + } +#endif /* keep */ + break; + case PCI_DEVICE_ID_DW2004: +#if 0 + dm1105dvb->fe = dvb_attach( + cx24116_attach, &serit_sp2633_config, + &dm1105dvb->i2c_adap); + if (dm1105dvb->fe) + dm1105dvb->fe->ops.set_voltage = dm1105dvb_set_voltage; +#else /* keep */ + dev_err(&dm1105dvb->pdev->dev, "needs cx24116 module\n"); +#endif /* keep */ + break; + } + + if (!dm1105dvb->fe) { + dev_err(&dm1105dvb->pdev->dev, "could not attach frontend\n"); + return -ENODEV; + } + + ret = dvb_register_frontend(&dm1105dvb->dvb_adapter, dm1105dvb->fe); + if (ret < 0) { + if (dm1105dvb->fe->ops.release) + dm1105dvb->fe->ops.release(dm1105dvb->fe); + dm1105dvb->fe = NULL; + return ret; + } + + return 0; +} + +static void __devinit dm1105dvb_read_mac(struct dm1105dvb *dm1105dvb, u8 *mac) +{ + static u8 command[1] = { 0x28 }; + + struct i2c_msg msg[] = { + { .addr = IIC_24C01_addr >> 1, .flags = 0, + .buf = command, .len = 1 }, + { .addr = IIC_24C01_addr >> 1, .flags = I2C_M_RD, + .buf = mac, .len = 6 }, + }; + + dm1105_i2c_xfer(&dm1105dvb->i2c_adap, msg , 2); + dev_info(&dm1105dvb->pdev->dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); +} + +static int __devinit dm1105_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct dm1105dvb *dm1105dvb; + struct dvb_adapter *dvb_adapter; + struct dvb_demux *dvbdemux; + struct dmx_demux *dmx; + int ret = -ENOMEM; + + dm1105dvb = kzalloc(sizeof(struct dm1105dvb), GFP_KERNEL); + if (!dm1105dvb) + goto out; + + dm1105dvb->pdev = pdev; + dm1105dvb->buffer_size = 5 * DM1105_DMA_BYTES; + dm1105dvb->PacketErrorCount = 0; + dm1105dvb->dmarst = 0; + + ret = pci_enable_device(pdev); + if (ret < 0) + goto err_kfree; + + ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (ret < 0) + goto err_pci_disable_device; + + pci_set_master(pdev); + + ret = pci_request_regions(pdev, DRIVER_NAME); + if (ret < 0) + goto err_pci_disable_device; + + dm1105dvb->io_mem = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); + if (!dm1105dvb->io_mem) { + ret = -EIO; + goto err_pci_release_regions; + } + + spin_lock_init(&dm1105dvb->lock); + pci_set_drvdata(pdev, dm1105dvb); + + ret = request_irq(pdev->irq, dm1105dvb_irq, IRQF_SHARED, DRIVER_NAME, dm1105dvb); + if (ret < 0) + goto err_pci_iounmap; + + ret = dm1105dvb_hw_init(dm1105dvb); + if (ret < 0) + goto err_free_irq; + + /* i2c */ + i2c_set_adapdata(&dm1105dvb->i2c_adap, dm1105dvb); + strcpy(dm1105dvb->i2c_adap.name, DRIVER_NAME); + dm1105dvb->i2c_adap.owner = THIS_MODULE; + dm1105dvb->i2c_adap.class = I2C_CLASS_TV_DIGITAL; + dm1105dvb->i2c_adap.dev.parent = &pdev->dev; + dm1105dvb->i2c_adap.algo = &dm1105_algo; + dm1105dvb->i2c_adap.algo_data = dm1105dvb; + ret = i2c_add_adapter(&dm1105dvb->i2c_adap); + + if (ret < 0) + goto err_dm1105dvb_hw_exit; + + /* dvb */ + ret = dvb_register_adapter(&dm1105dvb->dvb_adapter, DRIVER_NAME, + THIS_MODULE, &pdev->dev, adapter_nr); + if (ret < 0) + goto err_i2c_del_adapter; + + dvb_adapter = &dm1105dvb->dvb_adapter; + + dm1105dvb_read_mac(dm1105dvb, dvb_adapter->proposed_mac); + + dvbdemux = &dm1105dvb->demux; + dvbdemux->filternum = 256; + dvbdemux->feednum = 256; + dvbdemux->start_feed = dm1105dvb_start_feed; + dvbdemux->stop_feed = dm1105dvb_stop_feed; + dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | + DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); + ret = dvb_dmx_init(dvbdemux); + if (ret < 0) + goto err_dvb_unregister_adapter; + + dmx = &dvbdemux->dmx; + dm1105dvb->dmxdev.filternum = 256; + dm1105dvb->dmxdev.demux = dmx; + dm1105dvb->dmxdev.capabilities = 0; + + ret = dvb_dmxdev_init(&dm1105dvb->dmxdev, dvb_adapter); + if (ret < 0) + goto err_dvb_dmx_release; + + dm1105dvb->hw_frontend.source = DMX_FRONTEND_0; + + ret = dmx->add_frontend(dmx, &dm1105dvb->hw_frontend); + if (ret < 0) + goto err_dvb_dmxdev_release; + + dm1105dvb->mem_frontend.source = DMX_MEMORY_FE; + + ret = dmx->add_frontend(dmx, &dm1105dvb->mem_frontend); + if (ret < 0) + goto err_remove_hw_frontend; + + ret = dmx->connect_frontend(dmx, &dm1105dvb->hw_frontend); + if (ret < 0) + goto err_remove_mem_frontend; + + ret = frontend_init(dm1105dvb); + if (ret < 0) + goto err_disconnect_frontend; + + dvb_net_init(dvb_adapter, &dm1105dvb->dvbnet, dmx); + dm1105_ir_init(dm1105dvb); +out: + return ret; + +err_disconnect_frontend: + dmx->disconnect_frontend(dmx); +err_remove_mem_frontend: + dmx->remove_frontend(dmx, &dm1105dvb->mem_frontend); +err_remove_hw_frontend: + dmx->remove_frontend(dmx, &dm1105dvb->hw_frontend); +err_dvb_dmxdev_release: + dvb_dmxdev_release(&dm1105dvb->dmxdev); +err_dvb_dmx_release: + dvb_dmx_release(dvbdemux); +err_dvb_unregister_adapter: + dvb_unregister_adapter(dvb_adapter); +err_i2c_del_adapter: + i2c_del_adapter(&dm1105dvb->i2c_adap); +err_dm1105dvb_hw_exit: + dm1105dvb_hw_exit(dm1105dvb); +err_free_irq: + free_irq(pdev->irq, dm1105dvb); +err_pci_iounmap: + pci_iounmap(pdev, dm1105dvb->io_mem); +err_pci_release_regions: + pci_release_regions(pdev); +err_pci_disable_device: + pci_disable_device(pdev); +err_kfree: + pci_set_drvdata(pdev, NULL); + kfree(dm1105dvb); + goto out; +} + +static void __devexit dm1105_remove(struct pci_dev *pdev) +{ + struct dm1105dvb *dm1105dvb = pci_get_drvdata(pdev); + struct dvb_adapter *dvb_adapter = &dm1105dvb->dvb_adapter; + struct dvb_demux *dvbdemux = &dm1105dvb->demux; + struct dmx_demux *dmx = &dvbdemux->dmx; + + dm1105_ir_exit(dm1105dvb); + dmx->close(dmx); + dvb_net_release(&dm1105dvb->dvbnet); + if (dm1105dvb->fe) + dvb_unregister_frontend(dm1105dvb->fe); + + dmx->disconnect_frontend(dmx); + dmx->remove_frontend(dmx, &dm1105dvb->mem_frontend); + dmx->remove_frontend(dmx, &dm1105dvb->hw_frontend); + dvb_dmxdev_release(&dm1105dvb->dmxdev); + dvb_dmx_release(dvbdemux); + dvb_unregister_adapter(dvb_adapter); + if (&dm1105dvb->i2c_adap) + i2c_del_adapter(&dm1105dvb->i2c_adap); + + dm1105dvb_hw_exit(dm1105dvb); + synchronize_irq(pdev->irq); + free_irq(pdev->irq, dm1105dvb); + pci_iounmap(pdev, dm1105dvb->io_mem); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + kfree(dm1105dvb); +} + +static struct pci_device_id dm1105_id_table[] __devinitdata = { + { + .vendor = PCI_VENDOR_ID_TRIGEM, + .device = PCI_DEVICE_ID_DM1105, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_DEVICE_ID_DW2002, + }, { + .vendor = PCI_VENDOR_ID_TRIGEM, + .device = PCI_DEVICE_ID_DM1105, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_DEVICE_ID_DW2004, + }, { + /* empty */ + }, +}; + +MODULE_DEVICE_TABLE(pci, dm1105_id_table); + +static struct pci_driver dm1105_driver = { + .name = DRIVER_NAME, + .id_table = dm1105_id_table, + .probe = dm1105_probe, + .remove = __devexit_p(dm1105_remove), +}; + +static int __init dm1105_init(void) +{ + return pci_register_driver(&dm1105_driver); +} + +static void __exit dm1105_exit(void) +{ + pci_unregister_driver(&dm1105_driver); +} + +module_init(dm1105_init); +module_exit(dm1105_exit); + +MODULE_AUTHOR("Igor M. Liplianin "); +MODULE_DESCRIPTION("SDMC DM1105 DVB driver"); +MODULE_LICENSE("GPL"); -- GitLab From 490c868408bc57a756550148313ac8582fe501ef Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Sat, 13 Sep 2008 19:42:16 -0300 Subject: [PATCH 3914/6244] V4L/DVB (9011): S2API: A number of cleanusp from the last 24 months. I was given these changes by Darron Broad and Igor Liplianin and represent a series of patches they've been making to the cx24116 driver over the last two years. Changes for handling symbolrates >30Ksps Tone handling changes. Diseqc support. Sleep support, shutting down the clocks correctly. Cleanup on ROLL_OFF and PILOT support. *** ST - We need to cleanup the sysclt control, this is abnormal in a demod driver. We should work towards understanding the missing API's and ensure we have them in S2API. *** Signed-off-by: Steven Toth Signed-off-by: Darron Broad Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 808 ++++++++++++++++++++------ 1 file changed, 617 insertions(+), 191 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 0ac2c5493087..cfb265de5229 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -2,6 +2,18 @@ Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver Copyright (C) 2006-2008 Steven Toth + Copyright (C) 2006-2007 Georg Acher + Copyright (C) 2007-2008 Darron Broad + March 2007 + Fixed some bugs. + Added diseqc support. + Added corrected signal strength support. + August 2007 + Sync with legacy version. + Some clean ups. + Copyright (C) 2008 Igor Liplianin + September, 9th 2008 + Fixed locking on high symbol rates (>30000). This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -18,51 +30,69 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* - * Updates by Darron Broad 2007. - * - * March - * Fixed some bugs. - * Added diseqc support. - * Added corrected signal strength support. - * - * August - * Sync with legacy version. - * Some clean ups. - */ -/* Updates by Igor Liplianin - * - * September, 9th 2008 - * Fixed locking on high symbol rates (>30000). - */ - #include #include #include #include #include #include +#include #include "dvb_frontend.h" #include "cx24116.h" -/* - * Fetch firmware in the following manner. - * - * #!/bin/sh - * wget ftp://167.206.143.11/outgoing/Oxford/88x_2_117_24275_1_INF.zip - * unzip 88x_2_117_24275_1_INF.zip - * dd if=Driver88/hcw88bda.sys of=dvb-fe-cx24116.fw skip=81768 bs=1 count=32522 - */ +static int debug = 0; +#define dprintk(args...) \ + do { \ + if (debug) printk ("cx24116: " args); \ + } while (0) + #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw" #define CX24116_SEARCH_RANGE_KHZ 5000 -/* registers (TO BE COMPLETED) */ -#define CX24116_REG_SIGNAL (0xd5) +/* known registers */ +#define CX24116_REG_COMMAND (0x00) /* command args 0x00..0x1e */ +#define CX24116_REG_EXECUTE (0x1f) /* execute command */ +#define CX24116_REG_MAILBOX (0x96) /* FW or multipurpose mailbox? */ +#define CX24116_REG_RESET (0x20) /* reset status > 0 */ +#define CX24116_REG_SIGNAL (0x9e) /* signal low */ +#define CX24116_REG_SSTATUS (0x9d) /* signal high / status */ +#define CX24116_REG_QSTATUS (0xbc) +#define CX24116_REG_QUALITY (0xd5) +#define CX24116_REG_BER0 (0xc9) +#define CX24116_REG_BER8 (0xc8) +#define CX24116_REG_BER16 (0xc7) +#define CX24116_REG_BER24 (0xc6) +#define CX24116_REG_UCB0 (0xcb) +#define CX24116_REG_UCB8 (0xca) +#define CX24116_REG_CLKDIV (0xf3) +#define CX24116_REG_RATEDIV (0xf9) /* arg buffer size */ #define CX24116_ARGLEN (0x1e) +/* rolloff */ +#define CX24116_ROLLOFF_020 (0x00) +#define CX24116_ROLLOFF_025 (0x01) +#define CX24116_ROLLOFF_035 (0x02) + +/* pilot bit */ +#define CX24116_PILOT (0x40) + +/* signal status */ +#define CX24116_HAS_SIGNAL (0x01) +#define CX24116_HAS_CARRIER (0x02) +#define CX24116_HAS_VITERBI (0x04) +#define CX24116_HAS_SYNCLOCK (0x08) +#define CX24116_HAS_UNKNOWN1 (0x10) +#define CX24116_HAS_UNKNOWN2 (0x20) +#define CX24116_STATUS_MASK (0x3f) +#define CX24116_SIGNAL_MASK (0xc0) + +#define CX24116_DISEQC_TONEOFF (0) /* toneburst never sent */ +#define CX24116_DISEQC_TONECACHE (1) /* toneburst cached */ +#define CX24116_DISEQC_MESGCACHE (2) /* message cached */ + /* arg offset for DiSEqC */ #define CX24116_DISEQC_BURST (1) #define CX24116_DISEQC_ARG2_2 (2) /* unknown value=2 */ @@ -75,21 +105,88 @@ #define CX24116_DISEQC_MINI_A (0) #define CX24116_DISEQC_MINI_B (1) -static int debug = 0; -#define dprintk(args...) \ - do { \ - if (debug) printk ("cx24116: " args); \ - } while (0) +/* DiSEqC tone burst */ +static int toneburst = 1; + +/* debug & toneburst sysctl */ +static struct ctl_table_header *kernel_table_header; +static ctl_table toneburst_table[] = { +{ + .ctl_name = 0, + .procname = "toneburst", + .data = &toneburst, + .maxlen = sizeof(int), + .mode = 0666, + .child = NULL, + .parent = NULL, + .proc_handler = &proc_dointvec, + .strategy = NULL, + .extra1 = NULL, + .extra2 = NULL, +}, +{ + .ctl_name = 0, + .procname = "debug", + .data = &debug, + .maxlen = sizeof(int), + .mode = 0666, + .child = NULL, + .parent = NULL, + .proc_handler = &proc_dointvec, + .strategy = NULL, + .extra1 = NULL, + .extra2 = NULL, + }, + {0}, +}; +static ctl_table cx24116_table[] = { +{ + .ctl_name = 0, + .procname = "cx24116", + .data = NULL, + .maxlen = 0, + .mode = 0555, + .child = toneburst_table, + .parent = NULL, + .proc_handler = NULL, + .strategy = NULL, + .extra1 = NULL, + .extra2 = NULL, + }, + {0}, +}; +static ctl_table kernel_table[] = { +{ + .ctl_name = CTL_DEV, + .procname = "dev", + .data = NULL, + .maxlen = 0, + .mode = 0555, + .child = cx24116_table, + .parent = NULL, + .proc_handler = NULL, + .strategy = NULL, + .extra1 = NULL, + .extra2 = NULL, + }, + {0}, +}; enum cmds { - CMD_INIT_CMD10 = 0x10, + CMD_SET_VCO = 0x10, CMD_TUNEREQUEST = 0x11, - CMD_INIT_CMD13 = 0x13, - CMD_INIT_CMD14 = 0x14, - CMD_SEND_DISEQC = 0x21, + CMD_MPEGCONFIG = 0x13, + CMD_TUNERINIT = 0x14, + CMD_BANDWIDTH = 0x15, + CMD_GETAGC = 0x19, + CMD_LNBCONFIG = 0x20, + CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ CMD_SET_TONEPRE = 0x22, CMD_SET_TONE = 0x23, + CMD_UPDFWVERS = 0x35, + CMD_TUNERSLEEP = 0x36, + CMD_AGCCONTROL = 0x3b, /* Unknown */ }; /* The Demod/Tuner can't easily provide these, we cache them */ @@ -101,11 +198,14 @@ struct cx24116_tuning fe_code_rate_t fec; fe_modulation_t modulation; + fe_pilot_t pilot; + fe_rolloff_t rolloff; /* Demod values */ u8 fec_val; u8 fec_mask; u8 inversion_val; + u8 rolloff_val; }; /* Basic commands that are sent to the firmware */ @@ -127,6 +227,7 @@ struct cx24116_state u8 skip_fw_load; u8 burst; + struct cx24116_cmd dsec_cmd; }; static int cx24116_writereg(struct cx24116_state* state, int reg, int data) @@ -233,6 +334,66 @@ static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_invers return 0; } +/* + * modfec (modulation and FEC) + * =========================== + * + * MOD FEC mask/val standard + * ---- -------- ----------- -------- + * QPSK FEC_1_2 0x02 0x02+X DVB-S + * QPSK FEC_2_3 0x04 0x02+X DVB-S + * QPSK FEC_3_4 0x08 0x02+X DVB-S + * QPSK FEC_4_5 0x10 0x02+X DVB-S (?) + * QPSK FEC_5_6 0x20 0x02+X DVB-S + * QPSK FEC_6_7 0x40 0x02+X DVB-S + * QPSK FEC_7_8 0x80 0x02+X DVB-S + * QPSK FEC_8_9 0x01 0x02+X DVB-S (?) (NOT SUPPORTED?) + * QPSK AUTO 0xff 0x02+X DVB-S + * + * For DVB-S high byte probably represents FEC + * and low byte selects the modulator. The high + * byte is search range mask. Bit 5 may turn + * on DVB-S and remaining bits represent some + * kind of calibration (how/what i do not know). + * + * Eg.(2/3) szap "Zone Horror" + * + * mask/val = 0x04, 0x20 + * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 00000000 | FE_HAS_LOCK + * + * mask/val = 0x04, 0x30 + * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 00000000 | FE_HAS_LOCK + * + * After tuning FECSTATUS contains actual FEC + * in use numbered 1 through to 8 for 1/2 .. 2/3 etc + * + * NBC=NOT/NON BACKWARD COMPATIBLE WITH DVB-S (DVB-S2 only) + * + * NBC-QPSK FEC_1_2 0x00, 0x04 DVB-S2 + * NBC-QPSK FEC_3_5 0x00, 0x05 DVB-S2 + * NBC-QPSK FEC_2_3 0x00, 0x06 DVB-S2 + * NBC-QPSK FEC_3_4 0x00, 0x07 DVB-S2 + * NBC-QPSK FEC_4_5 0x00, 0x08 DVB-S2 + * NBC-QPSK FEC_5_6 0x00, 0x09 DVB-S2 + * NBC-QPSK FEC_8_9 0x00, 0x0a DVB-S2 + * NBC-QPSK FEC_9_10 0x00, 0x0b DVB-S2 + * + * NBC-8PSK FEC_3_5 0x00, 0x0c DVB-S2 + * NBC-8PSK FEC_2_3 0x00, 0x0d DVB-S2 + * NBC-8PSK FEC_3_4 0x00, 0x0e DVB-S2 + * NBC-8PSK FEC_5_6 0x00, 0x0f DVB-S2 + * NBC-8PSK FEC_8_9 0x00, 0x10 DVB-S2 + * NBC-8PSK FEC_9_10 0x00, 0x11 DVB-S2 + * + * For DVB-S2 low bytes selects both modulator + * and FEC. High byte is meaningless here. To + * set pilot, bit 6 (0x40) is set. When inspecting + * FECSTATUS bit 7 (0x80) represents the pilot + * selection whilst not tuned. When tuned, actual FEC + * in use is found in FECSTATUS as per above. Pilot + * value is reset. + */ + /* A table of modulation, fec and configuration bytes for the demod. * Not all S2 mmodulation schemes are support and not all rates with * a scheme are support. Especially, no auto detect when in S2 mode. @@ -244,15 +405,17 @@ struct cx24116_modfec { u8 val; /* Passed to the firmware to indicate mode selection */ } CX24116_MODFEC_MODES[] = { /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ + + /*mod fec mask val */ { QPSK, FEC_NONE, 0xfe, 0x30 }, - { QPSK, FEC_1_2, 0x02, 0x2e }, - { QPSK, FEC_2_3, 0x04, 0x2f }, - { QPSK, FEC_3_4, 0x08, 0x30 }, - { QPSK, FEC_4_5, 0xfe, 0x30 }, - { QPSK, FEC_5_6, 0x20, 0x31 }, - { QPSK, FEC_6_7, 0xfe, 0x30 }, - { QPSK, FEC_7_8, 0x80, 0x32 }, - { QPSK, FEC_8_9, 0xfe, 0x30 }, + { QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ + { QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ + { QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ + { QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ + { QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ + { QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ + { QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ + { QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ { QPSK, FEC_AUTO, 0xfe, 0x30 }, /* NBC-QPSK */ { NBC_QPSK, FEC_1_2, 0x00, 0x04 }, @@ -268,7 +431,12 @@ struct cx24116_modfec { { _8PSK, FEC_2_3, 0x00, 0x0d }, { _8PSK, FEC_3_4, 0x00, 0x0e }, { _8PSK, FEC_5_6, 0x00, 0x0f }, + { _8PSK, FEC_8_9, 0x00, 0x10 }, { _8PSK, FEC_9_10, 0x00, 0x11 }, + /* + * `val' can be found in the FECSTATUS register when tuning. + * FECSTATUS will give the actual FEC in use if tuning was successful. + */ }; static int cx24116_lookup_fecmod(struct cx24116_state* state, @@ -276,6 +444,8 @@ static int cx24116_lookup_fecmod(struct cx24116_state* state, { int i, ret = -EOPNOTSUPP; + dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f); + for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++) { if( (m == CX24116_MODFEC_MODES[i].modulation) && @@ -292,37 +462,38 @@ static int cx24116_lookup_fecmod(struct cx24116_state* state, static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec) { int ret = 0; - dprintk("%s()\n", __func__); + + dprintk("%s(0x%02x,0x%02x)\n", __func__, mod, fec); ret = cx24116_lookup_fecmod(state, mod, fec); if(ret < 0) return ret; + state->dnxt.fec = fec; state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val; state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask; - dprintk("%s() fec_val/mask = 0x%02x/0x%02x\n", __func__, - state->dnxt.fec_val, state->dnxt.fec_mask); + dprintk("%s() mask/val = 0x%02x/0x%02x\n", __func__, + state->dnxt.fec_mask, state->dnxt.fec_val); return 0; } static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate) { - int ret = 0; + dprintk("%s(%d)\n", __func__, rate); - dprintk("%s()\n", __func__); + /* check if symbol rate is within limits */ + if ((rate > state->frontend.ops.info.symbol_rate_max) || + (rate < state->frontend.ops.info.symbol_rate_min)) { + dprintk("%s() unsupported symbol_rate = %d\n", __func__, rate); + return -EOPNOTSUPP; + } state->dnxt.symbol_rate = rate; + dprintk("%s() symbol_rate = %d\n", __func__, rate); - dprintk("%s() symbol_rate = %d\n", __func__, state->dnxt.symbol_rate); - - /* check if symbol rate is within limits */ - if ((state->dnxt.symbol_rate > state->frontend.ops.info.symbol_rate_max) || - (state->dnxt.symbol_rate < state->frontend.ops.info.symbol_rate_min)) - ret = -EOPNOTSUPP; - - return ret; + return 0; } static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw); @@ -392,8 +563,8 @@ static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd) } /* Start execution and wait for cmd to terminate */ - cx24116_writereg(state, 0x1f, 0x01); - while( cx24116_readreg(state, 0x1f) ) + cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01); + while( cx24116_readreg(state, CX24116_REG_EXECUTE) ) { msleep(10); if(i++ > 64) @@ -410,7 +581,8 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware { struct cx24116_state* state = fe->demodulator_priv; struct cx24116_cmd cmd; - int ret; + int i, ret; + unsigned char vers[4]; dprintk("%s\n", __func__); dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n" @@ -427,11 +599,21 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware /* Begin the firmware load process */ /* Prepare the demod, load the firmware, cleanup after load */ + + /* Init PLL */ + cx24116_writereg(state, 0xE5, 0x00); cx24116_writereg(state, 0xF1, 0x08); - cx24116_writereg(state, 0xF2, cx24116_readreg(state, 0xF2) | 0x03); - cx24116_writereg(state, 0xF3, 0x46); - cx24116_writereg(state, 0xF9, 0x00); + cx24116_writereg(state, 0xF2, 0x13); + + /* Start PLL */ + cx24116_writereg(state, 0xe0, 0x03); + cx24116_writereg(state, 0xe0, 0x00); + + /* Unknown */ + cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); + cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); + /* Unknown */ cx24116_writereg(state, 0xF0, 0x03); cx24116_writereg(state, 0xF4, 0x81); cx24116_writereg(state, 0xF5, 0x00); @@ -444,8 +626,8 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware cx24116_writereg(state, 0xF0, 0x00); cx24116_writereg(state, 0xF8, 0x06); - /* Firmware CMD 10: Chip config? */ - cmd.args[0x00] = CMD_INIT_CMD10; + /* Firmware CMD 10: VCO config */ + cmd.args[0x00] = CMD_SET_VCO; cmd.args[0x01] = 0x05; cmd.args[0x02] = 0xdc; cmd.args[0x03] = 0xda; @@ -460,10 +642,10 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware if (ret != 0) return ret; - cx24116_writereg(state, 0x9d, 0x00); + cx24116_writereg(state, CX24116_REG_SSTATUS, 0x00); - /* Firmware CMD 14: Unknown */ - cmd.args[0x00] = CMD_INIT_CMD14; + /* Firmware CMD 14: Tuner config */ + cmd.args[0x00] = CMD_TUNERINIT; cmd.args[0x01] = 0x00; cmd.args[0x02] = 0x00; cmd.len= 0x03; @@ -473,8 +655,8 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware cx24116_writereg(state, 0xe5, 0x00); - /* Firmware CMD 13: Unknown - Firmware config? */ - cmd.args[0x00] = CMD_INIT_CMD13; + /* Firmware CMD 13: MPEG config */ + cmd.args[0x00] = CMD_MPEGCONFIG; cmd.args[0x01] = 0x01; cmd.args[0x02] = 0x75; cmd.args[0x03] = 0x00; @@ -488,6 +670,19 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware if (ret != 0) return ret; + /* Firmware CMD 35: Get firmware version */ + cmd.args[0x00] = CMD_UPDFWVERS; + cmd.len= 0x02; + for(i=0; i<4; i++) { + cmd.args[0x01] = i; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX); + } + printk("%s: FW version %i.%i.%i.%i\n", __func__, + vers[0], vers[1], vers[2], vers[3]); + return 0; } @@ -503,75 +698,98 @@ static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status) { struct cx24116_state *state = fe->demodulator_priv; - int lock = cx24116_readreg(state, 0x9d); + int lock = cx24116_readreg(state, CX24116_REG_SSTATUS); dprintk("%s: status = 0x%02x\n", __func__, lock); *status = 0; - if (lock & 0x01) + if (lock & CX24116_HAS_SIGNAL) *status |= FE_HAS_SIGNAL; - if (lock & 0x02) + if (lock & CX24116_HAS_CARRIER) *status |= FE_HAS_CARRIER; - if (lock & 0x04) + if (lock & CX24116_HAS_VITERBI) *status |= FE_HAS_VITERBI; - if (lock & 0x08) + if (lock & CX24116_HAS_SYNCLOCK) *status |= FE_HAS_SYNC | FE_HAS_LOCK; return 0; } -/* TODO: Not clear how we do this */ static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber) { - //struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); - *ber = 0; + + *ber = ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) | + ( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) | + ( cx24116_readreg(state, CX24116_REG_BER8 ) << 8 ) | + cx24116_readreg(state, CX24116_REG_BER0 ); return 0; } -/* Signal strength (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ +/* TODO Determine function and scale appropriately */ static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) { struct cx24116_state *state = fe->demodulator_priv; - u8 strength_reg; - static const u32 strength_tab[] = { /* 10 x Table (rounded up) */ - 0x00000,0x0199A,0x03333,0x04ccD,0x06667,0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, - 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; + struct cx24116_cmd cmd; + int ret; + u16 sig_reading; dprintk("%s()\n", __func__); - strength_reg = cx24116_readreg(state, CX24116_REG_SIGNAL); + /* Firmware CMD 19: Get AGC */ + cmd.args[0x00] = CMD_GETAGC; + cmd.len= 0x01; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; - if(strength_reg < 0xa0) - *signal_strength = strength_tab [ ( strength_reg & 0xf0 ) >> 4 ] + - ( strength_tab [ ( strength_reg & 0x0f ) ] >> 4 ); - else - *signal_strength = 0xffff; + sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) | + ( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 ); + *signal_strength= 0 - sig_reading; - dprintk("%s: Signal strength (raw / cooked) = (0x%02x / 0x%04x)\n", - __func__,strength_reg,*signal_strength); + dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength); return 0; } -/* TODO: Not clear how we do this */ +/* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) { - //struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_state *state = fe->demodulator_priv; + u8 snr_reading; + static const u32 snr_tab[] = { /* 10 x Table (rounded up) */ + 0x00000,0x0199A,0x03333,0x04ccD,0x06667, + 0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, + 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; + dprintk("%s()\n", __func__); - *snr = 0; + + snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY); + + if(snr_reading >= 0xa0 /* 100% */) + *snr = 0xffff; + else + *snr = snr_tab [ ( snr_reading & 0xf0 ) >> 4 ] + + ( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 ); + + dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__, + snr_reading, *snr); return 0; } -/* TODO: Not clear how we do this */ static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) { - //struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_state *state = fe->demodulator_priv; + dprintk("%s()\n", __func__); - *ucblocks = 0; + + *ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) | + cx24116_readreg(state, CX24116_REG_UCB0); return 0; } @@ -583,6 +801,27 @@ static void cx24116_clone_params(struct dvb_frontend* fe) memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur)); } +/* Wait for LNB */ +static int cx24116_wait_for_lnb(struct dvb_frontend* fe) +{ + struct cx24116_state *state = fe->demodulator_priv; + int i; + + dprintk("%s() qstatus = 0x%02x\n", __func__, + cx24116_readreg(state, CX24116_REG_QSTATUS)); + + /* Wait for up to 300 ms */ + for(i = 0; i < 30 ; i++) { + if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20) + return 0; + msleep(10); + } + + dprintk("%s(): LNB not ready\n", __func__); + + return -ETIMEDOUT; /* -EBUSY ? */ +} + static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) { struct cx24116_cmd cmd; @@ -594,6 +833,14 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) return -EINVAL; } + /* Wait for LNB ready */ + ret = cx24116_wait_for_lnb(fe); + if(ret != 0) + return ret; + + /* Min delay time after DiSEqC send */ + msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ + /* This is always done before the tone is set */ cmd.args[0x00] = CMD_SET_TONEPRE; cmd.args[0x01] = 0x00; @@ -619,6 +866,9 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) } cmd.len= 0x04; + /* Min delay time before DiSEqC send */ + msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ + return cx24116_cmd_execute(fe, &cmd); } @@ -626,9 +876,39 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) static int cx24116_diseqc_init(struct dvb_frontend* fe) { struct cx24116_state *state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int ret; + + /* Firmware CMD 20: LNB/DiSEqC config */ + cmd.args[0x00] = CMD_LNBCONFIG; + cmd.args[0x01] = 0x00; + cmd.args[0x02] = 0x10; + cmd.args[0x03] = 0x00; + cmd.args[0x04] = 0x8f; + cmd.args[0x05] = 0x28; + cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01; + cmd.args[0x07] = 0x01; + cmd.len= 0x08; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + /* Prepare a DiSEqC command */ + state->dsec_cmd.args[0x00] = CMD_LNBSEND; + + /* DiSEqC burst */ + state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; + + /* Unknown */ + state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; + state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; + state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; /* Continuation flag? */ - /* Default DiSEqC burst state */ - state->burst = CX24116_DISEQC_MINI_A; + /* DiSEqC message length */ + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; + + /* Command length */ + state->dsec_cmd.len= CX24116_DISEQC_MSGOFS; return 0; } @@ -637,7 +917,6 @@ static int cx24116_diseqc_init(struct dvb_frontend* fe) static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d) { struct cx24116_state *state = fe->demodulator_priv; - struct cx24116_cmd cmd; int i, ret; /* Dump DiSEqC message */ @@ -647,82 +926,134 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma printk("0x%02x", d->msg[i]); if(++i < d->msg_len) printk(", "); - } - printk(")\n"); + } + printk(") toneburst=%d\n", toneburst); } + /* Validate length */ if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) return -EINVAL; - cmd.args[0x00] = CMD_SEND_DISEQC; - cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; - cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; - cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; - /* DiSEqC message */ for (i = 0; i < d->msg_len; i++) - cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; + state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; + + /* DiSEqC message length */ + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; + + /* Command length */ + state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN]; + + /* DiSEqC toneburst */ + if(toneburst == CX24116_DISEQC_MESGCACHE) + /* Message is cached */ + return 0; + + else if(toneburst == CX24116_DISEQC_TONEOFF) + /* Message is sent without burst */ + state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0; + + else if(toneburst == CX24116_DISEQC_TONECACHE) { + /* + * Message is sent with derived else cached burst + * + * WRITE PORT GROUP COMMAND 38 + * + * 0/A/A: E0 10 38 F0..F3 + * 1/B/B: E0 10 38 F4..F7 + * 2/C/A: E0 10 38 F8..FB + * 3/D/B: E0 10 38 FC..FF + * + * datebyte[3]= 8421:8421 + * ABCD:WXYZ + * CLR :SET + * + * WX= PORT SELECT 0..3 (X=TONEBURST) + * Y = VOLTAGE (0=13V, 1=18V) + * Z = BAND (0=LOW, 1=HIGH(22K)) + */ + if(d->msg_len >= 4 && d->msg[2] == 0x38) + state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2); + if(debug) + dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]); + } - /* Hack: Derive burst from command else use previous burst */ - if(d->msg_len >= 4 && d->msg[2] == 0x38) - cmd.args[CX24116_DISEQC_BURST] = (d->msg[3] >> 2) & 1; - else - cmd.args[CX24116_DISEQC_BURST] = state->burst; + /* Wait for LNB ready */ + ret = cx24116_wait_for_lnb(fe); + if(ret != 0) + return ret; - cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; - cmd.len = CX24116_DISEQC_MSGOFS + d->msg_len; + /* Wait for voltage/min repeat delay */ + msleep(100); - ret = cx24116_cmd_execute(fe, &cmd); - - /* Firmware command duration is unknown, so guess... + /* Command */ + ret = cx24116_cmd_execute(fe, &state->dsec_cmd); + if(ret != 0) + return ret; + /* + * Wait for send * * Eutelsat spec: - * >15ms delay + - * 13.5ms per byte + - * >15ms delay + - * 12.5ms burst + - * >15ms delay + * >15ms delay + (XXX determine if FW does this, see set_tone) + * 13.5ms per byte + + * >15ms delay + + * 12.5ms burst + + * >15ms delay (XXX determine if FW does this, see set_tone) */ - if(ret == 0) - msleep( (cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); + msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) ); - return ret; + return 0; } /* Send DiSEqC burst */ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) { struct cx24116_state *state = fe->demodulator_priv; - struct cx24116_cmd cmd; int ret; - dprintk("%s(%d)\n",__func__,(int)burst); - - cmd.args[0x00] = CMD_SEND_DISEQC; - cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; - cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; - cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; + dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst); + /* DiSEqC burst */ if (burst == SEC_MINI_A) - cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; + state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; else if(burst == SEC_MINI_B) - cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; + state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; else return -EINVAL; - /* Cache as previous burst state */ - state->burst= cmd.args[CX24116_DISEQC_BURST]; + /* DiSEqC toneburst */ + if(toneburst != CX24116_DISEQC_MESGCACHE) + /* Burst is cached */ + return 0; - cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; - cmd.len= CX24116_DISEQC_MSGOFS; + /* Burst is to be sent with cached message */ - ret= cx24116_cmd_execute(fe, &cmd); + /* Wait for LNB ready */ + ret = cx24116_wait_for_lnb(fe); + if(ret != 0) + return ret; - /* Firmware command duration is unknown, so guess... */ - if(ret == 0) - msleep(60); + /* Wait for voltage/min repeat delay */ + msleep(100); - return ret; + /* Command */ + ret = cx24116_cmd_execute(fe, &state->dsec_cmd); + if(ret != 0) + return ret; + + /* + * Wait for send + * + * Eutelsat spec: + * >15ms delay + (XXX determine if FW does this, see set_tone) + * 13.5ms per byte + + * >15ms delay + + * 12.5ms burst + + * >15ms delay (XXX determine if FW does this, see set_tone) + */ + msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); + + return 0; } static void cx24116_release(struct dvb_frontend* fe) @@ -730,6 +1061,7 @@ static void cx24116_release(struct dvb_frontend* fe) struct cx24116_state* state = fe->demodulator_priv; dprintk("%s\n",__func__); kfree(state); + unregister_sysctl_table(kernel_table_header); } static struct dvb_frontend_ops cx24116_ops; @@ -742,11 +1074,15 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, dprintk("%s\n",__func__); + kernel_table_header = register_sysctl_table(kernel_table); + if(!kernel_table_header) + goto error1; + /* allocate memory for the internal state */ state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); if (state == NULL) { printk("Unable to kmalloc\n"); - goto error; + goto error2; } /* setup the state */ @@ -759,7 +1095,7 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE); if (ret != 0x0501) { printk("Invalid probe, probably not a CX24116 device\n"); - goto error; + goto error3; } /* create dvb_frontend */ @@ -767,33 +1103,64 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, state->frontend.demodulator_priv = state; return &state->frontend; -error: - kfree(state); - - return NULL; +error3: kfree(state); +error2: unregister_sysctl_table(kernel_table_header); +error1: return NULL; } - -static int cx24116_get_params(struct dvb_frontend* fe) +/* + * Initialise or wake up device + * + * Power config will reset and load initial firmware if required + */ +static int cx24116_initfe(struct dvb_frontend* fe) { - struct cx24116_state *state = fe->demodulator_priv; - struct dtv_frontend_properties *cache = &fe->dtv_property_cache; + struct cx24116_state* state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int ret; dprintk("%s()\n",__func__); - cache->frequency = state->dcur.frequency; - cache->inversion = state->dcur.inversion; - cache->modulation = state->dcur.modulation; - cache->fec_inner = state->dcur.fec; - cache->symbol_rate = state->dcur.symbol_rate; + /* Power on */ + cx24116_writereg(state, 0xe0, 0); + cx24116_writereg(state, 0xe1, 0); + cx24116_writereg(state, 0xea, 0); - return 0; + /* Firmware CMD 36: Power config */ + cmd.args[0x00] = CMD_TUNERSLEEP; + cmd.args[0x01] = 0; + cmd.len= 0x02; + ret = cx24116_cmd_execute(fe, &cmd); + if(ret != 0) + return ret; + + return cx24116_diseqc_init(fe); } -static int cx24116_initfe(struct dvb_frontend* fe) +/* + * Put device to sleep + */ +static int cx24116_sleep(struct dvb_frontend* fe) { + struct cx24116_state* state = fe->demodulator_priv; + struct cx24116_cmd cmd; + int ret; + dprintk("%s()\n",__func__); - return cx24116_diseqc_init(fe); + /* Firmware CMD 36: Power config */ + cmd.args[0x00] = CMD_TUNERSLEEP; + cmd.args[0x01] = 1; + cmd.len= 0x02; + ret = cx24116_cmd_execute(fe, &cmd); + if(ret != 0) + return ret; + + /* Power off (Shutdown clocks) */ + cx24116_writereg(state, 0xea, 0xff); + cx24116_writereg(state, 0xe1, 1); + cx24116_writereg(state, 0xe0, 1); + + return 0; } static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) @@ -817,14 +1184,45 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct cx24116_cmd cmd; fe_status_t tunerstat; - int ret, above30msps; - u8 retune=4; + int i, status, ret, retune = 1; dprintk("%s()\n",__func__); state->dnxt.modulation = c->modulation; state->dnxt.frequency = c->frequency; + switch(c->delivery_system) { + case SYS_DVBS: + dprintk("%s: DVB-S delivery system selected\n",__func__); + state->dnxt.pilot = PILOT_OFF; + state->dnxt.rolloff = CX24116_ROLLOFF_035; + break; + case SYS_DVBS2: + dprintk("%s: DVB-S2 delivery system selected\n",__func__); + if(c->pilot == PILOT_AUTO) + retune++; + state->dnxt.pilot = c->pilot; + switch(c->rolloff) { + case ROLLOFF_20: + state->dnxt.rolloff_val= CX24116_ROLLOFF_020; + break; + case ROLLOFF_25: + state->dnxt.rolloff_val= CX24116_ROLLOFF_025; + break; + case ROLLOFF_35: + state->dnxt.rolloff_val= CX24116_ROLLOFF_035; + break; + case ROLLOFF_AUTO: + return -EOPNOTSUPP; + } + state->dnxt.rolloff = c->rolloff; + break; + default: + dprintk("%s: unsupported delivery system selected (%d)\n", + __func__, c->delivery_system); + return -EOPNOTSUPP; + } + if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) return ret; @@ -837,6 +1235,9 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* discard the 'current' tuning parameters and prepare to tune */ cx24116_clone_params(fe); + dprintk("%s: retune = %d\n", __func__, retune); + dprintk("%s: rolloff = %d\n", __func__, state->dcur.rolloff); + dprintk("%s: pilot = %d\n", __func__, state->dcur.pilot); dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, @@ -844,18 +1245,17 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par dprintk("%s: Inversion = %d (val = 0x%02x)\n", __func__, state->dcur.inversion, state->dcur.inversion_val); + /* This is also done in advise/acquire on HVR4000 but not on LITE */ if (state->config->set_ts_params) state->config->set_ts_params(fe, 0); - above30msps = (state->dcur.symbol_rate > 30000000); - - if (above30msps){ - cx24116_writereg(state, 0xF9, 0x01); - cx24116_writereg(state, 0xF3, 0x44); - } else { - cx24116_writereg(state, 0xF9, 0x00); - cx24116_writereg(state, 0xF3, 0x46); - } + /* Set/Reset B/W */ + cmd.args[0x00] = CMD_BANDWIDTH; + cmd.args[0x01] = 0x01; + cmd.len= 0x02; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; /* Prepare a tune request */ cmd.args[0x00] = CMD_TUNEREQUEST; @@ -875,28 +1275,32 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* Modulation / FEC & Pilot Off */ cmd.args[0x07] = state->dcur.fec_val; - if (c->pilot == PILOT_ON) - cmd.args[0x07] |= 0x40; + if (state->dcur.pilot == PILOT_ON) + cmd.args[0x07] |= CX24116_PILOT; cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; cmd.args[0x0a] = 0x00; cmd.args[0x0b] = 0x00; - cmd.args[0x0c] = 0x02; + cmd.args[0x0c] = state->dcur.rolloff_val; cmd.args[0x0d] = state->dcur.fec_mask; - if (above30msps){ + if (state->dcur.symbol_rate > 30000000) { cmd.args[0x0e] = 0x04; cmd.args[0x0f] = 0x00; cmd.args[0x10] = 0x01; cmd.args[0x11] = 0x77; cmd.args[0x12] = 0x36; + cx24116_writereg(state, CX24116_REG_CLKDIV, 0x44); + cx24116_writereg(state, CX24116_REG_RATEDIV, 0x01); } else { cmd.args[0x0e] = 0x06; cmd.args[0x0f] = 0x00; cmd.args[0x10] = 0x00; cmd.args[0x11] = 0xFA; cmd.args[0x12] = 0x24; + cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); + cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); } cmd.len= 0x13; @@ -906,29 +1310,47 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par * the demod does not support autodetect. */ do { - /* Reset status register? */ - cx24116_writereg(state, 0x9d, 0xc1); + /* Reset status register */ + status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK; + cx24116_writereg(state, CX24116_REG_SSTATUS, status); /* Tune */ ret = cx24116_cmd_execute(fe, &cmd); if( ret != 0 ) break; - /* The hardware can take time to lock, wait a while */ - msleep(500); - - cx24116_read_status(fe, &tunerstat); - if(tunerstat & FE_HAS_SIGNAL) { - if(tunerstat & FE_HAS_SYNC) - /* Tuned */ - break; - else if(c->pilot == PILOT_AUTO) - /* Toggle pilot bit */ - cmd.args[0x07] ^= 0x40; + /* + * Wait for up to 500 ms before retrying + * + * If we are able to tune then generally it occurs within 100ms. + * If it takes longer, try a different toneburst setting. + */ + for(i = 0; i < 50 ; i++) { + cx24116_read_status(fe, &tunerstat); + status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); + if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { + dprintk("%s: Tuned\n",__func__); + goto tuned; + } + msleep(10); } + + dprintk("%s: Not tuned\n",__func__); + + /* Toggle pilot bit when in auto-pilot */ + if(state->dcur.pilot == PILOT_AUTO) + cmd.args[0x07] ^= CX24116_PILOT; } while(--retune); +tuned: /* Set/Reset B/W */ + cmd.args[0x00] = CMD_BANDWIDTH; + cmd.args[0x01] = 0x00; + cmd.len= 0x02; + ret = cx24116_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + return ret; } @@ -953,6 +1375,7 @@ static struct dvb_frontend_ops cx24116_ops = { .release = cx24116_release, .init = cx24116_initfe, + .sleep = cx24116_sleep, .read_status = cx24116_read_status, .read_ber = cx24116_read_ber, .read_signal_strength = cx24116_read_signal_strength, @@ -971,6 +1394,9 @@ static struct dvb_frontend_ops cx24116_ops = { module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); +module_param(toneburst, int, 0644); +MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)"); + MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); MODULE_AUTHOR("Steven Toth"); MODULE_LICENSE("GPL"); -- GitLab From 35d9c42779ef5e8cb46902bb6987443e136c0517 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sat, 13 Sep 2008 20:56:59 -0300 Subject: [PATCH 3915/6244] V4L/DVB (9012): Add support for DvbWorld 2004 DVB-S2 PCI adapter Add support for DvbWorld 2004 DVB-S2 PCI adapter. The card contains dm1105 PCI chip and cx24116 demodulator Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/Kconfig | 2 +- drivers/media/dvb/dm1105/Kconfig | 19 ++++++++++--------- drivers/media/dvb/dm1105/dm1105.c | 10 +++------- 3 files changed, 14 insertions(+), 17 deletions(-) diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index 5858744e70de..14488f644792 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -36,7 +36,7 @@ comment "Supported Pluto2 Adapters" source "drivers/media/dvb/pluto2/Kconfig" comment "Supported SDMC DM1105 Adapters" - depends on DVB_CORE && PCI && I2C + depends on DVB_CORE && PCI && I2C source "drivers/media/dvb/dm1105/Kconfig" comment "Supported DVB Frontends" diff --git a/drivers/media/dvb/dm1105/Kconfig b/drivers/media/dvb/dm1105/Kconfig index fc2ca7dca6b2..4b96bbba9f42 100644 --- a/drivers/media/dvb/dm1105/Kconfig +++ b/drivers/media/dvb/dm1105/Kconfig @@ -1,14 +1,15 @@ config DVB_DM1105 - tristate "SDMC DM1105 based PCI cards" - depends on DVB_CORE && PCI && I2C + tristate "SDMC DM1105 based PCI cards" + depends on DVB_CORE && PCI && I2C select DVB_PLL if !DVB_FE_CUSTOMISE select DVB_STV0299 if !DVB_FE_CUSTOMISE - help - Support for cards based on the SDMC DM1105 PCI chip like - DvbWorld 2002 + select DVB_CX24116 if !DVB_FE_CUSTOMISE + help + Support for cards based on the SDMC DM1105 PCI chip like + DvbWorld 2002 - Since these cards have no MPEG decoder onboard, they transmit - only compressed MPEG data over the PCI bus, so you need - an external software decoder to watch TV on your computer. + Since these cards have no MPEG decoder onboard, they transmit + only compressed MPEG data over the PCI bus, so you need + an external software decoder to watch TV on your computer. - Say Y or M if you own such a device and want to use it. + Say Y or M if you own such a device and want to use it. diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c index fe8d0e58c0ea..204763d2de41 100644 --- a/drivers/media/dvb/dm1105/dm1105.c +++ b/drivers/media/dvb/dm1105/dm1105.c @@ -41,8 +41,8 @@ #include "stv0299.h" /*#include "stv0288.h" *#include "si21xx.h" - *#include "stb6000.h" - *#include "cx24116.h"*/ + *#include "stb6000.h"*/ +#include "cx24116.h" #include "z0194a.h" /* ----------------------------------------------- */ @@ -605,11 +605,11 @@ static struct si21xx_config serit_config = { .min_delay_ms = 100, }; +#endif /* keep */ static struct cx24116_config serit_sp2633_config = { .demod_address = 0x55, }; -#endif /* keep */ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) { @@ -651,15 +651,11 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) #endif /* keep */ break; case PCI_DEVICE_ID_DW2004: -#if 0 dm1105dvb->fe = dvb_attach( cx24116_attach, &serit_sp2633_config, &dm1105dvb->i2c_adap); if (dm1105dvb->fe) dm1105dvb->fe->ops.set_voltage = dm1105dvb_set_voltage; -#else /* keep */ - dev_err(&dm1105dvb->pdev->dev, "needs cx24116 module\n"); -#endif /* keep */ break; } -- GitLab From 7396d3ea94b871de66940ea27d4bf81513404990 Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Sun, 14 Sep 2008 10:45:58 -0300 Subject: [PATCH 3916/6244] V4L/DVB (9013): S2API: cx24116 Rolloff changes, sysctls cleanup, isl power changes. Remove the debugging sysctls. Rolloff was broken, not it works as expected and has been tested in kaffeine. Power related changes for the isl6421 are not implemented on the HVR4000/4000LITE. Signed-off-by: Steven Toth Signed-off-by: Darron Broad Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 82 ++------------------------- drivers/media/video/cx88/cx88-dvb.c | 2 +- 2 files changed, 7 insertions(+), 77 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index cfb265de5229..fdc741e7e769 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -36,7 +36,6 @@ #include #include #include -#include #include "dvb_frontend.h" #include "cx24116.h" @@ -108,70 +107,6 @@ static int debug = 0; /* DiSEqC tone burst */ static int toneburst = 1; -/* debug & toneburst sysctl */ -static struct ctl_table_header *kernel_table_header; -static ctl_table toneburst_table[] = { -{ - .ctl_name = 0, - .procname = "toneburst", - .data = &toneburst, - .maxlen = sizeof(int), - .mode = 0666, - .child = NULL, - .parent = NULL, - .proc_handler = &proc_dointvec, - .strategy = NULL, - .extra1 = NULL, - .extra2 = NULL, -}, -{ - .ctl_name = 0, - .procname = "debug", - .data = &debug, - .maxlen = sizeof(int), - .mode = 0666, - .child = NULL, - .parent = NULL, - .proc_handler = &proc_dointvec, - .strategy = NULL, - .extra1 = NULL, - .extra2 = NULL, - }, - {0}, -}; -static ctl_table cx24116_table[] = { -{ - .ctl_name = 0, - .procname = "cx24116", - .data = NULL, - .maxlen = 0, - .mode = 0555, - .child = toneburst_table, - .parent = NULL, - .proc_handler = NULL, - .strategy = NULL, - .extra1 = NULL, - .extra2 = NULL, - }, - {0}, -}; -static ctl_table kernel_table[] = { -{ - .ctl_name = CTL_DEV, - .procname = "dev", - .data = NULL, - .maxlen = 0, - .mode = 0555, - .child = cx24116_table, - .parent = NULL, - .proc_handler = NULL, - .strategy = NULL, - .extra1 = NULL, - .extra2 = NULL, - }, - {0}, -}; - enum cmds { CMD_SET_VCO = 0x10, @@ -964,7 +899,7 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma * 2/C/A: E0 10 38 F8..FB * 3/D/B: E0 10 38 FC..FF * - * datebyte[3]= 8421:8421 + * databyte[3]= 8421:8421 * ABCD:WXYZ * CLR :SET * @@ -1061,7 +996,6 @@ static void cx24116_release(struct dvb_frontend* fe) struct cx24116_state* state = fe->demodulator_priv; dprintk("%s\n",__func__); kfree(state); - unregister_sysctl_table(kernel_table_header); } static struct dvb_frontend_ops cx24116_ops; @@ -1074,15 +1008,11 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, dprintk("%s\n",__func__); - kernel_table_header = register_sysctl_table(kernel_table); - if(!kernel_table_header) - goto error1; - /* allocate memory for the internal state */ state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); if (state == NULL) { printk("Unable to kmalloc\n"); - goto error2; + goto error1; } /* setup the state */ @@ -1095,7 +1025,7 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE); if (ret != 0x0501) { printk("Invalid probe, probably not a CX24116 device\n"); - goto error3; + goto error2; } /* create dvb_frontend */ @@ -1103,8 +1033,7 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, state->frontend.demodulator_priv = state; return &state->frontend; -error3: kfree(state); -error2: unregister_sysctl_table(kernel_table_header); +error2: kfree(state); error1: return NULL; } /* @@ -1195,7 +1124,8 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par case SYS_DVBS: dprintk("%s: DVB-S delivery system selected\n",__func__); state->dnxt.pilot = PILOT_OFF; - state->dnxt.rolloff = CX24116_ROLLOFF_035; + state->dnxt.rolloff_val = CX24116_ROLLOFF_035; + state->dnxt.rolloff = c->rolloff; break; case SYS_DVBS2: dprintk("%s: DVB-S2 delivery system selected\n",__func__); diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 891acb50bd99..ce1752dc8e2b 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -946,7 +946,7 @@ static int dvb_register(struct cx8802_dev *dev) if (dev->dvb.frontend) { dvb_attach(isl6421_attach, dev->dvb.frontend, &dev->core->i2c_adap, - 0x08, 0x00, 0x00); + 0x08, ISL6421_DCL, 0x00); } break; case CX88_BOARD_TEVII_S460: -- GitLab From c063a48923525dcf20924eb8f1af3b22248f1e13 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sun, 14 Sep 2008 07:43:53 -0300 Subject: [PATCH 3917/6244] V4L/DVB (9014): History update: MPEG initialization in cx24116. Adjust MPEG initialization in cx24116 in order to accomodate different MPEG CLK position and polarity in different cards. For example, HVR4000 uses 0x02 value, but DvbWorld & TeVii USB cards uses 0x01. Without it MPEG stream was broken on that cards for symbol rates > 30000 kSyms/s. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index fdc741e7e769..4ad86d84875f 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -13,7 +13,8 @@ Some clean ups. Copyright (C) 2008 Igor Liplianin September, 9th 2008 - Fixed locking on high symbol rates (>30000). + Fixed locking on high symbol rates (>30000). + Implement MPEG initialization parameter. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -- GitLab From 681faa0b7a1d67576df07e0ad55ca42b2eab174a Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Mon, 22 Sep 2008 00:47:20 -0300 Subject: [PATCH 3918/6244] V4L/DVB (9015): S2API: cx24116 register description fixes. From the author: Here is a simple patch detailing some reverse engineered register detail lost in my latest merge. The comments in the code refer to this register but it is never defined. This corrects this. Signed-off-by: Steven Toth Signed-off-by: Darron Broad Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 4ad86d84875f..02ed4ef79c67 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -67,6 +67,13 @@ static int debug = 0; #define CX24116_REG_UCB8 (0xca) #define CX24116_REG_CLKDIV (0xf3) #define CX24116_REG_RATEDIV (0xf9) +#define CX24116_REG_FECSTATUS (0x9c) /* configured fec (not tuned) or actual FEC (tuned) 1=1/2 2=2/3 etc */ + +/* FECSTATUS bits */ +#define CX24116_FEC_FECMASK (0x1f) /* mask to determine configured fec (not tuned) or actual fec (tuned) */ +#define CX24116_FEC_DVBS (0x20) /* Select DVB-S demodulator, else DVB-S2 */ +#define CX24116_FEC_UNKNOWN (0x40) /* Unknown/unused */ +#define CX24116_FEC_PILOT (0x80) /* Pilot mode requested when tuning else always reset when tuned */ /* arg buffer size */ #define CX24116_ARGLEN (0x1e) -- GitLab From 34c080295af9b3ed9f704a881e07eb5ac128e1ed Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Mon, 22 Sep 2008 00:54:59 -0300 Subject: [PATCH 3919/6244] V4L/DVB (9016): HVR3000/4000 Hauppauge related IR cleanups From the author: This patch-set fixes remote control issues I have experienced with hauppauge drivers in Linux since the PVR-350 and now with both a NOVA-S+ and HVR-4000. It has also been confirmed to work with an HVR-1300 user who had exactly the same issue. Hauppage remote controls use RC5. RC5 has a bit-field which represents the target device. The hauppauge windows drivers have a registry key which can enable filtering, but the linux drivers will accept any target device in this bit field for internal processing. This causes problems with setups such as mythtv where remote control key presses destined for the TV (target = 0) are interpreted by the kernel and subsequenctly LIRC then mythtv. Of the remote controls I have to hand (wintv black, pvr/hvr silver) the hauppauge remotes send one of two device targets ids, these are interpreted by the patch which then filters out any non hauppauge addresses. Signed-off-by: Steven Toth Signed-off-by: Darron Broad Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-input.c | 30 +++++++++++++++++++++++++-- drivers/media/video/ir-kbd-i2c.c | 22 ++++++++++++++++++-- 2 files changed, 48 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 097081eb505f..13bc5d160761 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -394,7 +394,7 @@ void cx88_ir_irq(struct cx88_core *core) { struct cx88_IR *ir = core->ir; u32 samples, ircode; - int i; + int i, start, range, toggle, dev, code; if (NULL == ir) return; @@ -463,9 +463,35 @@ void cx88_ir_irq(struct cx88_core *core) case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: case CX88_BOARD_HAUPPAUGE_HVR1100: case CX88_BOARD_HAUPPAUGE_HVR3000: - case CX88_BOARD_PINNACLE_PCTV_HD_800i: case CX88_BOARD_HAUPPAUGE_HVR4000: case CX88_BOARD_HAUPPAUGE_HVR4000LITE: + ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); + ir_dprintk("biphase decoded: %x\n", ircode); + /* + * RC5 has an extension bit which adds a new range + * of available codes, this is detected here. Also + * hauppauge remotes (black/silver) always use + * specific device ids. If we do not filter the + * device ids then messages destined for devices + * such as TVs (id=0) will get through to the + * device causing mis-fired events. + */ + /* split rc5 data block ... */ + start = (ircode & 0x2000) >> 13; + range = (ircode & 0x1000) >> 12; + toggle= (ircode & 0x0800) >> 11; + dev = (ircode & 0x07c0) >> 6; + code = (ircode & 0x003f) | ((range << 6) ^ 0x0040); + if( start != 1) + /* no key pressed */ + break; + if ( dev != 0x1e && dev != 0x1f ) + /* not a hauppauge remote */ + break; + ir_input_keydown(ir->input, &ir->ir, code, ircode); + ir->release = jiffies + msecs_to_jiffies(120); + break; + case CX88_BOARD_PINNACLE_PCTV_HD_800i: ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7); ir_dprintk("biphase decoded: %x\n", ircode); if ((ircode & 0xfffff000) != 0x3000) diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index a30254bed311..703195a5ad4e 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -65,7 +65,7 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, int size, int offset) { unsigned char buf[6]; - int start, range, toggle, dev, code; + int start, range, toggle, dev, code, ircode; /* poll IR chip */ if (size != i2c_master_recv(&ir->c,buf,size)) @@ -85,6 +85,24 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, if (!start) /* no key pressed */ return 0; + /* + * Hauppauge remotes (black/silver) always use + * specific device ids. If we do not filter the + * device ids then messages destined for devices + * such as TVs (id=0) will get through causing + * mis-fired events. + * + * We also filter out invalid key presses which + * produce annoying debug log entries. + */ + ircode= (start << 12) | (toggle << 11) | (dev << 6) | code; + if ((ircode & 0x1fff)==0x1fff) + /* invalid key press */ + return 0; + + if (dev!=0x1e && dev!=0x1f) + /* not a hauppauge remote */ + return 0; if (!range) code += 64; @@ -94,7 +112,7 @@ static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, /* return key */ *ir_key = code; - *ir_raw = (start << 12) | (toggle << 11) | (dev << 6) | code; + *ir_raw = ircode; return 1; } -- GitLab From 04ad28c9916da709f38b1d43817892142c2c3508 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 16 Sep 2008 18:21:11 -0300 Subject: [PATCH 3920/6244] V4L/DVB (9017): Add support for Silicon Laboratories SI2109/2110 demodulators. Add support for Silicon Laboratories SI2109/2110 demodulator and cards with it, such as DvbWorld PCI2002. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dm1105/Kconfig | 1 + drivers/media/dvb/dm1105/dm1105.c | 7 +- drivers/media/dvb/frontends/Kconfig | 7 + drivers/media/dvb/frontends/Makefile | 1 + drivers/media/dvb/frontends/si21xx.c | 974 +++++++++++++++++++++++++++ drivers/media/dvb/frontends/si21xx.h | 37 + 6 files changed, 1023 insertions(+), 4 deletions(-) create mode 100644 drivers/media/dvb/frontends/si21xx.c create mode 100644 drivers/media/dvb/frontends/si21xx.h diff --git a/drivers/media/dvb/dm1105/Kconfig b/drivers/media/dvb/dm1105/Kconfig index 4b96bbba9f42..2af5fffe138e 100644 --- a/drivers/media/dvb/dm1105/Kconfig +++ b/drivers/media/dvb/dm1105/Kconfig @@ -4,6 +4,7 @@ config DVB_DM1105 select DVB_PLL if !DVB_FE_CUSTOMISE select DVB_STV0299 if !DVB_FE_CUSTOMISE select DVB_CX24116 if !DVB_FE_CUSTOMISE + select DVB_SI21XX if !DVB_FE_CUSTOMISE help Support for cards based on the SDMC DM1105 PCI chip like DvbWorld 2002 diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c index 204763d2de41..0c1790fe2b56 100644 --- a/drivers/media/dvb/dm1105/dm1105.c +++ b/drivers/media/dvb/dm1105/dm1105.c @@ -40,8 +40,8 @@ #include "stv0299.h" /*#include "stv0288.h" - *#include "si21xx.h" *#include "stb6000.h"*/ +#include "si21xx.h" #include "cx24116.h" #include "z0194a.h" @@ -600,12 +600,12 @@ static struct stv0288_config earda_config = { .min_delay_ms = 100, }; +#endif /* keep */ static struct si21xx_config serit_config = { .demod_address = 0x68, .min_delay_ms = 100, }; -#endif /* keep */ static struct cx24116_config serit_sp2633_config = { .demod_address = 0x55, @@ -639,7 +639,7 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) &dm1105dvb->i2c_adap); } } - +#endif /* keep */ if (!dm1105dvb->fe) { dm1105dvb->fe = dvb_attach( si21xx_attach, &serit_config, @@ -648,7 +648,6 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) dm1105dvb->fe->ops.set_voltage = dm1105dvb_set_voltage; } -#endif /* keep */ break; case PCI_DEVICE_ID_DW2004: dm1105dvb->fe = dvb_attach( diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index d2f31da26cbc..7697391ca86c 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -99,6 +99,13 @@ config DVB_CX24116 help A DVB-S/S2 tuner module. Say Y when you want to support this frontend. +config DVB_SI21XX + tristate "Silicon Labs SI21XX based" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-S tuner module. Say Y when you want to support this frontend. + comment "DVB-T (terrestrial) frontends" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 5deb8a542abd..c719b7fdce4a 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -52,3 +52,4 @@ obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o obj-$(CONFIG_DVB_AF9013) += af9013.o obj-$(CONFIG_DVB_CX24116) += cx24116.o +obj-$(CONFIG_DVB_SI21XX) += si21xx.o diff --git a/drivers/media/dvb/frontends/si21xx.c b/drivers/media/dvb/frontends/si21xx.c new file mode 100644 index 000000000000..3ddbe69c45ce --- /dev/null +++ b/drivers/media/dvb/frontends/si21xx.c @@ -0,0 +1,974 @@ +/* DVB compliant Linux driver for the DVB-S si2109/2110 demodulator +* +* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +*/ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "si21xx.h" + +#define REVISION_REG 0x00 +#define SYSTEM_MODE_REG 0x01 +#define TS_CTRL_REG_1 0x02 +#define TS_CTRL_REG_2 0x03 +#define PIN_CTRL_REG_1 0x04 +#define PIN_CTRL_REG_2 0x05 +#define LOCK_STATUS_REG_1 0x0f +#define LOCK_STATUS_REG_2 0x10 +#define ACQ_STATUS_REG 0x11 +#define ACQ_CTRL_REG_1 0x13 +#define ACQ_CTRL_REG_2 0x14 +#define PLL_DIVISOR_REG 0x15 +#define COARSE_TUNE_REG 0x16 +#define FINE_TUNE_REG_L 0x17 +#define FINE_TUNE_REG_H 0x18 + +#define ANALOG_AGC_POWER_LEVEL_REG 0x28 +#define CFO_ESTIMATOR_CTRL_REG_1 0x29 +#define CFO_ESTIMATOR_CTRL_REG_2 0x2a +#define CFO_ESTIMATOR_CTRL_REG_3 0x2b + +#define SYM_RATE_ESTIMATE_REG_L 0x31 +#define SYM_RATE_ESTIMATE_REG_M 0x32 +#define SYM_RATE_ESTIMATE_REG_H 0x33 + +#define CFO_ESTIMATOR_OFFSET_REG_L 0x36 +#define CFO_ESTIMATOR_OFFSET_REG_H 0x37 +#define CFO_ERROR_REG_L 0x38 +#define CFO_ERROR_REG_H 0x39 +#define SYM_RATE_ESTIMATOR_CTRL_REG 0x3a + +#define SYM_RATE_REG_L 0x3f +#define SYM_RATE_REG_M 0x40 +#define SYM_RATE_REG_H 0x41 +#define SYM_RATE_ESTIMATOR_MAXIMUM_REG 0x42 +#define SYM_RATE_ESTIMATOR_MINIMUM_REG 0x43 + +#define C_N_ESTIMATOR_CTRL_REG 0x7c +#define C_N_ESTIMATOR_THRSHLD_REG 0x7d +#define C_N_ESTIMATOR_LEVEL_REG_L 0x7e +#define C_N_ESTIMATOR_LEVEL_REG_H 0x7f + +#define BLIND_SCAN_CTRL_REG 0x80 + +#define LSA_CTRL_REG_1 0x8D +#define SPCTRM_TILT_CORR_THRSHLD_REG 0x8f +#define ONE_DB_BNDWDTH_THRSHLD_REG 0x90 +#define TWO_DB_BNDWDTH_THRSHLD_REG 0x91 +#define THREE_DB_BNDWDTH_THRSHLD_REG 0x92 +#define INBAND_POWER_THRSHLD_REG 0x93 +#define REF_NOISE_LVL_MRGN_THRSHLD_REG 0x94 + +#define VIT_SRCH_CTRL_REG_1 0xa0 +#define VIT_SRCH_CTRL_REG_2 0xa1 +#define VIT_SRCH_CTRL_REG_3 0xa2 +#define VIT_SRCH_STATUS_REG 0xa3 +#define VITERBI_BER_COUNT_REG_L 0xab +#define REED_SOLOMON_CTRL_REG 0xb0 +#define REED_SOLOMON_ERROR_COUNT_REG_L 0xb1 +#define PRBS_CTRL_REG 0xb5 + +#define LNB_CTRL_REG_1 0xc0 +#define LNB_CTRL_REG_2 0xc1 +#define LNB_CTRL_REG_3 0xc2 +#define LNB_CTRL_REG_4 0xc3 +#define LNB_CTRL_STATUS_REG 0xc4 +#define LNB_FIFO_REGS_0 0xc5 +#define LNB_FIFO_REGS_1 0xc6 +#define LNB_FIFO_REGS_2 0xc7 +#define LNB_FIFO_REGS_3 0xc8 +#define LNB_FIFO_REGS_4 0xc9 +#define LNB_FIFO_REGS_5 0xca +#define LNB_SUPPLY_CTRL_REG_1 0xcb +#define LNB_SUPPLY_CTRL_REG_2 0xcc +#define LNB_SUPPLY_CTRL_REG_3 0xcd +#define LNB_SUPPLY_CTRL_REG_4 0xce +#define LNB_SUPPLY_STATUS_REG 0xcf + +#define FALSE 0 +#define TRUE 1 +#define FAIL -1 +#define PASS 0 + +#define ALLOWABLE_FS_COUNT 10 +#define STATUS_BER 0 +#define STATUS_UCBLOCKS 1 + +static int debug; +#define dprintk(args...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "si21xx: " args); \ + } while (0) + +enum { + ACTIVE_HIGH, + ACTIVE_LOW +}; +enum { + BYTE_WIDE, + BIT_WIDE +}; +enum { + CLK_GAPPED_MODE, + CLK_CONTINUOUS_MODE +}; +enum { + RISING_EDGE, + FALLING_EDGE +}; +enum { + MSB_FIRST, + LSB_FIRST +}; +enum { + SERIAL, + PARALLEL +}; + +struct si21xx_state { + struct i2c_adapter *i2c; + const struct si21xx_config *config; + struct dvb_frontend frontend; + u8 initialised:1; + int errmode; + int fs; /*Sampling rate of the ADC in MHz*/ +}; + +/* register default initialization */ +static u8 serit_sp1511lhb_inittab[] = { + 0x01, 0x28, /* set i2c_inc_disable */ + 0x20, 0x03, + 0x27, 0x20, + 0xe0, 0x45, + 0xe1, 0x08, + 0xfe, 0x01, + 0x01, 0x28, + 0x89, 0x09, + 0x04, 0x80, + 0x05, 0x01, + 0x06, 0x00, + 0x20, 0x03, + 0x24, 0x88, + 0x29, 0x09, + 0x2a, 0x0f, + 0x2c, 0x10, + 0x2d, 0x19, + 0x2e, 0x08, + 0x2f, 0x10, + 0x30, 0x19, + 0x34, 0x20, + 0x35, 0x03, + 0x45, 0x02, + 0x46, 0x45, + 0x47, 0xd0, + 0x48, 0x00, + 0x49, 0x40, + 0x4a, 0x03, + 0x4c, 0xfd, + 0x4f, 0x2e, + 0x50, 0x2e, + 0x51, 0x10, + 0x52, 0x10, + 0x56, 0x92, + 0x59, 0x00, + 0x5a, 0x2d, + 0x5b, 0x33, + 0x5c, 0x1f, + 0x5f, 0x76, + 0x62, 0xc0, + 0x63, 0xc0, + 0x64, 0xf3, + 0x65, 0xf3, + 0x79, 0x40, + 0x6a, 0x40, + 0x6b, 0x0a, + 0x6c, 0x80, + 0x6d, 0x27, + 0x71, 0x06, + 0x75, 0x60, + 0x78, 0x00, + 0x79, 0xb5, + 0x7c, 0x05, + 0x7d, 0x1a, + 0x87, 0x55, + 0x88, 0x72, + 0x8f, 0x08, + 0x90, 0xe0, + 0x94, 0x40, + 0xa0, 0x3f, + 0xa1, 0xc0, + 0xa4, 0xcc, + 0xa5, 0x66, + 0xa6, 0x66, + 0xa7, 0x7b, + 0xa8, 0x7b, + 0xa9, 0x7b, + 0xaa, 0x9a, + 0xed, 0x04, + 0xad, 0x00, + 0xae, 0x03, + 0xcc, 0xab, + 0x01, 0x08, + 0xff, 0xff +}; + +/* low level read/writes */ +static int si21_writeregs(struct si21xx_state *state, u8 reg1, + u8 *data, int len) +{ + int ret; + u8 buf[60];/* = { reg1, data };*/ + struct i2c_msg msg = { + .addr = state->config->demod_address, + .flags = 0, + .buf = buf, + .len = len + 1 + }; + + msg.buf[0] = reg1; + memcpy(msg.buf + 1, data, len); + + ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret != 1) + dprintk("%s: writereg error (reg1 == 0x%02x, data == 0x%02x, " + "ret == %i)\n", __func__, reg1, data[0], ret); + + return (ret != 1) ? -EREMOTEIO : 0; +} + +static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data) +{ + int ret; + u8 buf[] = { reg, data }; + struct i2c_msg msg = { + .addr = state->config->demod_address, + .flags = 0, + .buf = buf, + .len = 2 + }; + + ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret != 1) + dprintk("%s: writereg error (reg == 0x%02x, data == 0x%02x, " + "ret == %i)\n", __func__, reg, data, ret); + + return (ret != 1) ? -EREMOTEIO : 0; +} + +static int si21_write(struct dvb_frontend *fe, u8 *buf, int len) +{ + struct si21xx_state *state = fe->demodulator_priv; + + if (len != 2) + return -EINVAL; + + return si21_writereg(state, buf[0], buf[1]); +} + +static u8 si21_readreg(struct si21xx_state *state, u8 reg) +{ + int ret; + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + struct i2c_msg msg[] = { + { + .addr = state->config->demod_address, + .flags = 0, + .buf = b0, + .len = 1 + }, { + .addr = state->config->demod_address, + .flags = I2C_M_RD, + .buf = b1, + .len = 1 + } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) + dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", + __func__, reg, ret); + + return b1[0]; +} + +static int si21_readregs(struct si21xx_state *state, u8 reg1, u8 *b, u8 len) +{ + int ret; + struct i2c_msg msg[] = { + { + .addr = state->config->demod_address, + .flags = 0, + .buf = ®1, + .len = 1 + }, { + .addr = state->config->demod_address, + .flags = I2C_M_RD, + .buf = b, + .len = len + } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) + dprintk("%s: readreg error (ret == %i)\n", __func__, ret); + + return ret == 2 ? 0 : -1; +} + +static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout) +{ + unsigned long start = jiffies; + + dprintk("%s\n", __func__); + + while ((si21_readreg(state, LNB_CTRL_REG_1) & 0x8) == 8) { + if (jiffies - start > timeout) { + dprintk("%s: timeout!!\n", __func__); + return -ETIMEDOUT; + } + msleep(10); + }; + + return 0; +} + +static int si21xx_set_symbolrate(struct dvb_frontend *fe, u32 srate) +{ + struct si21xx_state *state = fe->demodulator_priv; + u32 sym_rate, data_rate; + int i; + u8 sym_rate_bytes[3]; + + dprintk("%s : srate = %i\n", __func__ , srate); + + if ((srate < 1000000) || (srate > 45000000)) + return -EINVAL; + + data_rate = srate; + sym_rate = 0; + + for (i = 0; i < 4; ++i) { + sym_rate /= 100; + sym_rate = sym_rate + ((data_rate % 100) * 0x800000) / + state->fs; + data_rate /= 100; + } + for (i = 0; i < 3; ++i) + sym_rate_bytes[i] = (u8)((sym_rate >> (i * 8)) & 0xff); + + si21_writeregs(state, SYM_RATE_REG_L, sym_rate_bytes, 0x03); + + return 0; +} + +static int si21xx_send_diseqc_msg(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *m) +{ + struct si21xx_state *state = fe->demodulator_priv; + u8 lnb_status; + u8 LNB_CTRL_1; + int status; + + dprintk("%s\n", __func__); + + status = PASS; + LNB_CTRL_1 = 0; + + status |= si21_readregs(state, LNB_CTRL_STATUS_REG, &lnb_status, 0x01); + status |= si21_readregs(state, LNB_CTRL_REG_1, &lnb_status, 0x01); + + /*fill the FIFO*/ + status |= si21_writeregs(state, LNB_FIFO_REGS_0, m->msg, m->msg_len); + + LNB_CTRL_1 = (lnb_status & 0x70); + LNB_CTRL_1 |= m->msg_len; + + LNB_CTRL_1 |= 0x80; /* begin LNB signaling */ + + status |= si21_writeregs(state, LNB_CTRL_REG_1, &LNB_CTRL_1, 0x01); + + return status; +} + +static int si21xx_send_diseqc_burst(struct dvb_frontend *fe, + fe_sec_mini_cmd_t burst) +{ + struct si21xx_state *state = fe->demodulator_priv; + u8 val; + + dprintk("%s\n", __func__); + + if (si21xx_wait_diseqc_idle(state, 100) < 0) + return -ETIMEDOUT; + + val = (0x80 | si21_readreg(state, 0xc1)); + if (si21_writereg(state, LNB_CTRL_REG_1, + burst == SEC_MINI_A ? (val & ~0x10) : (val | 0x10))) + return -EREMOTEIO; + + if (si21xx_wait_diseqc_idle(state, 100) < 0) + return -ETIMEDOUT; + + if (si21_writereg(state, LNB_CTRL_REG_1, val)) + return -EREMOTEIO; + + return 0; +} +/* 30.06.2008 */ +static int si21xx_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) +{ + struct si21xx_state *state = fe->demodulator_priv; + u8 val; + + dprintk("%s\n", __func__); + val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1)); + + switch (tone) { + case SEC_TONE_ON: + return si21_writereg(state, LNB_CTRL_REG_1, val | 0x20); + + case SEC_TONE_OFF: + return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x20)); + + default: + return -EINVAL; + } +} + +static int si21xx_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt) +{ + struct si21xx_state *state = fe->demodulator_priv; + + u8 val; + dprintk("%s: %s\n", __func__, + volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : + volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); + + + val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1)); + + switch (volt) { + case SEC_VOLTAGE_18: + return si21_writereg(state, LNB_CTRL_REG_1, val | 0x40); + break; + case SEC_VOLTAGE_13: + return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x40)); + break; + default: + return -EINVAL; + }; +} + +static int si21xx_init(struct dvb_frontend *fe) +{ + struct si21xx_state *state = fe->demodulator_priv; + int i; + int status = 0; + u8 reg1; + u8 val; + u8 reg2[2]; + + dprintk("%s\n", __func__); + + for (i = 0; ; i += 2) { + reg1 = serit_sp1511lhb_inittab[i]; + val = serit_sp1511lhb_inittab[i+1]; + if (reg1 == 0xff && val == 0xff) + break; + si21_writeregs(state, reg1, &val, 1); + } + + /*DVB QPSK SYSTEM MODE REG*/ + reg1 = 0x08; + si21_writeregs(state, SYSTEM_MODE_REG, ®1, 0x01); + + /*transport stream config*/ + /* + mode = PARALLEL; + sdata_form = LSB_FIRST; + clk_edge = FALLING_EDGE; + clk_mode = CLK_GAPPED_MODE; + strt_len = BYTE_WIDE; + sync_pol = ACTIVE_HIGH; + val_pol = ACTIVE_HIGH; + err_pol = ACTIVE_HIGH; + sclk_rate = 0x00; + parity = 0x00 ; + data_delay = 0x00; + clk_delay = 0x00; + pclk_smooth = 0x00; + */ + reg2[0] = + PARALLEL + (LSB_FIRST << 1) + + (FALLING_EDGE << 2) + (CLK_GAPPED_MODE << 3) + + (BYTE_WIDE << 4) + (ACTIVE_HIGH << 5) + + (ACTIVE_HIGH << 6) + (ACTIVE_HIGH << 7); + + reg2[1] = 0; + /* sclk_rate + (parity << 2) + + (data_delay << 3) + (clk_delay << 4) + + (pclk_smooth << 5); + */ + status |= si21_writeregs(state, TS_CTRL_REG_1, reg2, 0x02); + if (status != 0) + dprintk(" %s : TS Set Error\n", __func__); + + return 0; + +} + +static int si21_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct si21xx_state *state = fe->demodulator_priv; + u8 regs_read[2]; + u8 reg_read; + u8 i; + u8 lock; + u8 signal = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG); + + si21_readregs(state, LOCK_STATUS_REG_1, regs_read, 0x02); + reg_read = 0; + + for (i = 0; i < 7; ++i) + reg_read |= ((regs_read[0] >> i) & 0x01) << (6 - i); + + lock = ((reg_read & 0x7f) | (regs_read[1] & 0x80)); + + dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, lock); + *status = 0; + + if (signal > 10) + *status |= FE_HAS_SIGNAL; + + if (lock & 0x2) + *status |= FE_HAS_CARRIER; + + if (lock & 0x20) + *status |= FE_HAS_VITERBI; + + if (lock & 0x40) + *status |= FE_HAS_SYNC; + + if ((lock & 0x7b) == 0x7b) + *status |= FE_HAS_LOCK; + + return 0; +} + +static int si21_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct si21xx_state *state = fe->demodulator_priv; + + /*status = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG, + (u8*)agclevel, 0x01);*/ + + u16 signal = (3 * si21_readreg(state, 0x27) * + si21_readreg(state, 0x28)); + + dprintk("%s : AGCPWR: 0x%02x%02x, signal=0x%04x\n", __func__, + si21_readreg(state, 0x27), + si21_readreg(state, 0x28), (int) signal); + + signal <<= 4; + *strength = signal; + + return 0; +} + +static int si21_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct si21xx_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + if (state->errmode != STATUS_BER) + return 0; + + *ber = (si21_readreg(state, 0x1d) << 8) | + si21_readreg(state, 0x1e); + + return 0; +} + +static int si21_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct si21xx_state *state = fe->demodulator_priv; + + s32 xsnr = 0xffff - ((si21_readreg(state, 0x24) << 8) | + si21_readreg(state, 0x25)); + xsnr = 3 * (xsnr - 0xa100); + *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr; + + dprintk("%s\n", __func__); + + return 0; +} + +static int si21_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct si21xx_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + if (state->errmode != STATUS_UCBLOCKS) + *ucblocks = 0; + else + *ucblocks = (si21_readreg(state, 0x1d) << 8) | + si21_readreg(state, 0x1e); + + return 0; +} + +/* initiates a channel acquisition sequence + using the specified symbol rate and code rate */ +static int si21xx_setacquire(struct dvb_frontend *fe, int symbrate, + fe_code_rate_t crate) +{ + + struct si21xx_state *state = fe->demodulator_priv; + u8 coderates[] = { + 0x0, 0x01, 0x02, 0x04, 0x00, + 0x8, 0x10, 0x20, 0x00, 0x3f + }; + + u8 coderate_ptr; + int status; + u8 start_acq = 0x80; + u8 reg, regs[3]; + + dprintk("%s\n", __func__); + + status = PASS; + coderate_ptr = coderates[crate]; + + si21xx_set_symbolrate(fe, symbrate); + + /* write code rates to use in the Viterbi search */ + status |= si21_writeregs(state, + VIT_SRCH_CTRL_REG_1, + &coderate_ptr, 0x01); + + /* clear acq_start bit */ + status |= si21_readregs(state, ACQ_CTRL_REG_2, ®, 0x01); + reg &= ~start_acq; + status |= si21_writeregs(state, ACQ_CTRL_REG_2, ®, 0x01); + + /* use new Carrier Frequency Offset Estimator (QuickLock) */ + regs[0] = 0xCB; + regs[1] = 0x40; + regs[2] = 0xCB; + + status |= si21_writeregs(state, + TWO_DB_BNDWDTH_THRSHLD_REG, + ®s[0], 0x03); + reg = 0x56; + status |= si21_writeregs(state, + LSA_CTRL_REG_1, ®, 1); + reg = 0x05; + status |= si21_writeregs(state, + BLIND_SCAN_CTRL_REG, ®, 1); + /* start automatic acq */ + status |= si21_writeregs(state, + ACQ_CTRL_REG_2, &start_acq, 0x01); + + return status; +} + +static int si21xx_set_property(struct dvb_frontend *fe, struct dtv_property *p) +{ + dprintk("%s(..)\n", __func__); + return 0; +} + +static int si21xx_get_property(struct dvb_frontend *fe, struct dtv_property *p) +{ + dprintk("%s(..)\n", __func__); + return 0; +} + +static int si21xx_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *dfp) +{ + struct si21xx_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + /* freq Channel carrier frequency in KHz (i.e. 1550000 KHz) + datarate Channel symbol rate in Sps (i.e. 22500000 Sps)*/ + + /* in MHz */ + unsigned char coarse_tune_freq; + int fine_tune_freq; + unsigned char sample_rate = 0; + /* boolean */ + unsigned int inband_interferer_ind; + + /* INTERMEDIATE VALUES */ + int icoarse_tune_freq; /* MHz */ + int ifine_tune_freq; /* MHz */ + unsigned int band_high; + unsigned int band_low; + unsigned int x1; + unsigned int x2; + int i; + unsigned int inband_interferer_div2[ALLOWABLE_FS_COUNT] = { + FALSE, FALSE, FALSE, FALSE, FALSE, + FALSE, FALSE, FALSE, FALSE, FALSE + }; + unsigned int inband_interferer_div4[ALLOWABLE_FS_COUNT] = { + FALSE, FALSE, FALSE, FALSE, FALSE, + FALSE, FALSE, FALSE, FALSE, FALSE + }; + + int status; + + /* allowable sample rates for ADC in MHz */ + int afs[ALLOWABLE_FS_COUNT] = { 200, 192, 193, 194, 195, + 196, 204, 205, 206, 207 + }; + /* in MHz */ + int if_limit_high; + int if_limit_low; + int lnb_lo; + int lnb_uncertanity; + + int rf_freq; + int data_rate; + unsigned char regs[4]; + + dprintk("%s : FE_SET_FRONTEND\n", __func__); + + if (c->delivery_system != SYS_DVBS) { + dprintk("%s: unsupported delivery system selected (%d)\n", + __func__, c->delivery_system); + return -EOPNOTSUPP; + } + + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) + inband_interferer_div2[i] = inband_interferer_div4[i] = FALSE; + + if_limit_high = -700000; + if_limit_low = -100000; + /* in MHz */ + lnb_lo = 0; + lnb_uncertanity = 0; + + rf_freq = 10 * c->frequency ; + data_rate = c->symbol_rate / 100; + + status = PASS; + + band_low = (rf_freq - lnb_lo) - ((lnb_uncertanity * 200) + + (data_rate * 135)) / 200; + + band_high = (rf_freq - lnb_lo) + ((lnb_uncertanity * 200) + + (data_rate * 135)) / 200; + + + icoarse_tune_freq = 100000 * + (((rf_freq - lnb_lo) - + (if_limit_low + if_limit_high) / 2) + / 100000); + + ifine_tune_freq = (rf_freq - lnb_lo) - icoarse_tune_freq ; + + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) { + x1 = ((rf_freq - lnb_lo) / (afs[i] * 2500)) * + (afs[i] * 2500) + afs[i] * 2500; + + x2 = ((rf_freq - lnb_lo) / (afs[i] * 2500)) * + (afs[i] * 2500); + + if (((band_low < x1) && (x1 < band_high)) || + ((band_low < x2) && (x2 < band_high))) + inband_interferer_div4[i] = TRUE; + + } + + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) { + x1 = ((rf_freq - lnb_lo) / (afs[i] * 5000)) * + (afs[i] * 5000) + afs[i] * 5000; + + x2 = ((rf_freq - lnb_lo) / (afs[i] * 5000)) * + (afs[i] * 5000); + + if (((band_low < x1) && (x1 < band_high)) || + ((band_low < x2) && (x2 < band_high))) + inband_interferer_div2[i] = TRUE; + } + + inband_interferer_ind = TRUE; + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) + inband_interferer_ind &= inband_interferer_div2[i] | + inband_interferer_div4[i]; + + if (inband_interferer_ind) { + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) { + if (inband_interferer_div2[i] == FALSE) { + sample_rate = (u8) afs[i]; + break; + } + } + } else { + for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) { + if ((inband_interferer_div2[i] | + inband_interferer_div4[i]) == FALSE) { + sample_rate = (u8) afs[i]; + break; + } + } + + } + + if (sample_rate > 207 || sample_rate < 192) + sample_rate = 200; + + fine_tune_freq = ((0x4000 * (ifine_tune_freq / 10)) / + ((sample_rate) * 1000)); + + coarse_tune_freq = (u8)(icoarse_tune_freq / 100000); + + regs[0] = sample_rate; + regs[1] = coarse_tune_freq; + regs[2] = fine_tune_freq & 0xFF; + regs[3] = fine_tune_freq >> 8 & 0xFF; + + status |= si21_writeregs(state, PLL_DIVISOR_REG, ®s[0], 0x04); + + state->fs = sample_rate;/*ADC MHz*/ + si21xx_setacquire(fe, c->symbol_rate, c->fec_inner); + + return 0; +} + +static int si21xx_sleep(struct dvb_frontend *fe) +{ + struct si21xx_state *state = fe->demodulator_priv; + u8 regdata; + + dprintk("%s\n", __func__); + + si21_readregs(state, SYSTEM_MODE_REG, ®data, 0x01); + regdata |= 1 << 6; + si21_writeregs(state, SYSTEM_MODE_REG, ®data, 0x01); + state->initialised = 0; + + return 0; +} + +static void si21xx_release(struct dvb_frontend *fe) +{ + struct si21xx_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + kfree(state); +} + +static struct dvb_frontend_ops si21xx_ops = { + + .info = { + .name = "SL SI21XX DVB-S", + .type = FE_QPSK, + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 125, /* kHz for QPSK frontends */ + .frequency_tolerance = 0, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .symbol_rate_tolerance = 500, /* ppm */ + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | + FE_CAN_QPSK | + FE_CAN_FEC_AUTO + }, + + .release = si21xx_release, + .init = si21xx_init, + .sleep = si21xx_sleep, + .write = si21_write, + .read_status = si21_read_status, + .read_ber = si21_read_ber, + .read_signal_strength = si21_read_signal_strength, + .read_snr = si21_read_snr, + .read_ucblocks = si21_read_ucblocks, + .diseqc_send_master_cmd = si21xx_send_diseqc_msg, + .diseqc_send_burst = si21xx_send_diseqc_burst, + .set_tone = si21xx_set_tone, + .set_voltage = si21xx_set_voltage, + + .set_property = si21xx_set_property, + .get_property = si21xx_get_property, + .set_frontend = si21xx_set_frontend, +}; + +struct dvb_frontend *si21xx_attach(const struct si21xx_config *config, + struct i2c_adapter *i2c) +{ + struct si21xx_state *state = NULL; + int id; + + dprintk("%s\n", __func__); + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct si21xx_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->config = config; + state->i2c = i2c; + state->initialised = 0; + state->errmode = STATUS_BER; + + /* check if the demod is there */ + id = si21_readreg(state, SYSTEM_MODE_REG); + si21_writereg(state, SYSTEM_MODE_REG, id | 0x40); /* standby off */ + msleep(200); + id = si21_readreg(state, 0x00); + + /* register 0x00 contains: + 0x34 for SI2107 + 0x24 for SI2108 + 0x14 for SI2109 + 0x04 for SI2110 + */ + if (id != 0x04 && id != 0x14) + goto error; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &si21xx_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + return NULL; +} +EXPORT_SYMBOL(si21xx_attach); + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_DESCRIPTION("SL SI21XX DVB Demodulator driver"); +MODULE_AUTHOR("Igor M. Liplianin"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/si21xx.h b/drivers/media/dvb/frontends/si21xx.h new file mode 100644 index 000000000000..141b5b8a5f63 --- /dev/null +++ b/drivers/media/dvb/frontends/si21xx.h @@ -0,0 +1,37 @@ +#ifndef SI21XX_H +#define SI21XX_H + +#include +#include "dvb_frontend.h" + +struct si21xx_config { + /* the demodulator's i2c address */ + u8 demod_address; + + /* minimum delay before retuning */ + int min_delay_ms; +}; + +#if defined(CONFIG_DVB_SI21XX) || \ + (defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE)) +extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *si21xx_attach( + const struct si21xx_config *config, struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val) +{ + int r = 0; + u8 buf[] = {reg, val}; + if (fe->ops.write) + r = fe->ops.write(fe, buf, 2); + return r; +} + +#endif -- GitLab From 21b007b94c714cda3ebf0fa5b4e40342d2444f79 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Wed, 17 Sep 2008 19:19:19 -0300 Subject: [PATCH 3921/6244] V4L/DVB (9018): Add support for USB card modification with SI2109/2110 demodulator. Add support for USB card modification with SI2109/2110 demodulator. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dw2102.c | 260 +++++++++++++++++++---------- 1 file changed, 173 insertions(+), 87 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index ad3d6fca9ab8..20ba3f129001 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -11,6 +11,7 @@ */ #include #include "dw2102.h" +#include "si21xx.h" #include "stv0299.h" #include "z0194a.h" #include "cx24116.h" @@ -23,8 +24,8 @@ #define USB_PID_DW2104 0x2104 #endif -#define DW2102_READ_MSG 0 -#define DW2102_WRITE_MSG 1 +#define DW210X_READ_MSG 0 +#define DW210X_WRITE_MSG 1 #define REG_1F_SYMBOLRATE_BYTE0 0x1f #define REG_20_SYMBOLRATE_BYTE1 0x20 @@ -33,10 +34,10 @@ #define DW2102_VOLTAGE_CTRL (0x1800) #define DW2102_RC_QUERY (0x1a00) -struct dw2102_state { +struct dw210x_state { u32 last_key_pressed; }; -struct dw2102_rc_keys { +struct dw210x_rc_keys { u32 keycode; u32 event; }; @@ -48,28 +49,27 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer (or-able))." DVB_USB DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); -static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value, +static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value, u16 index, u8 * data, u16 len, int flags) { int ret; u8 u8buf[len]; - unsigned int pipe = (flags == DW2102_READ_MSG) ? + unsigned int pipe = (flags == DW210X_READ_MSG) ? usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0); - u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT; + u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT; - if (flags == DW2102_WRITE_MSG) + if (flags == DW210X_WRITE_MSG) memcpy(u8buf, data, len); ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR, value, index , u8buf, len, 2000); - if (flags == DW2102_READ_MSG) + if (flags == DW210X_READ_MSG) memcpy(data, u8buf, len); return ret; } /* I2C */ - static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { @@ -89,10 +89,9 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); value = msg[0].buf[0];/* register */ for (i = 0; i < msg[1].len; i++) { value = value + i; - ret = dw2102_op_rw(d->udev, 0xb5, value, 0, - buf6, 2, DW2102_READ_MSG); + ret = dw210x_op_rw(d->udev, 0xb5, value, 0, + buf6, 2, DW210X_READ_MSG); msg[1].buf[i] = buf6[0]; - } break; case 1: @@ -102,8 +101,8 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); buf6[0] = 0x2a; buf6[1] = msg[0].buf[0]; buf6[2] = msg[0].buf[1]; - ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, - buf6, 3, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + buf6, 3, DW210X_WRITE_MSG); break; case 0x60: if (msg[0].flags == 0) { @@ -115,26 +114,26 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); buf6[4] = msg[0].buf[1]; buf6[5] = msg[0].buf[2]; buf6[6] = msg[0].buf[3]; - ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, - buf6, 7, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + buf6, 7, DW210X_WRITE_MSG); } else { /* read from tuner */ - ret = dw2102_op_rw(d->udev, 0xb5, 0,0, - buf6, 1, DW2102_READ_MSG); + ret = dw210x_op_rw(d->udev, 0xb5, 0, 0, + buf6, 1, DW210X_READ_MSG); msg[0].buf[0] = buf6[0]; } break; case (DW2102_RC_QUERY): - ret = dw2102_op_rw(d->udev, 0xb8, 0, 0, - buf6, 2, DW2102_READ_MSG); + ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + buf6, 2, DW210X_READ_MSG); msg[0].buf[0] = buf6[0]; msg[0].buf[1] = buf6[1]; break; case (DW2102_VOLTAGE_CTRL): buf6[0] = 0x30; buf6[1] = msg[0].buf[0]; - ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, - buf6, 2, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + buf6, 2, DW210X_WRITE_MSG); break; } @@ -145,6 +144,62 @@ struct dvb_usb_device *d = i2c_get_adapdata(adap); return num; } +static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, + struct i2c_msg msg[], int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret = 0; + u8 buf6[] = {0, 0, 0, 0, 0, 0, 0}; + + if (!d) + return -ENODEV; + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + switch (num) { + case 2: + /* read si2109 register by number */ + buf6[0] = 0xd0; + buf6[1] = msg[0].len; + buf6[2] = msg[0].buf[0]; + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + buf6, msg[0].len + 2, DW210X_WRITE_MSG); + /* read si2109 register */ + ret = dw210x_op_rw(d->udev, 0xc3, 0xd0, 0, + buf6, msg[1].len + 2, DW210X_READ_MSG); + memcpy(msg[1].buf, buf6 + 2, msg[1].len); + + break; + case 1: + switch (msg[0].addr) { + case 0x68: + /* write to si2109 register */ + buf6[0] = 0xd0; + buf6[1] = msg[0].len; + memcpy(buf6 + 2, msg[0].buf, msg[0].len); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6, + msg[0].len + 2, DW210X_WRITE_MSG); + break; + case(DW2102_RC_QUERY): + ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + buf6, 2, DW210X_READ_MSG); + msg[0].buf[0] = buf6[0]; + msg[0].buf[1] = buf6[1]; + break; + case(DW2102_VOLTAGE_CTRL): + buf6[0] = 0x30; + buf6[1] = msg[0].buf[0]; + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + buf6, 2, DW210X_WRITE_MSG); + break; + } + break; + } + + mutex_unlock(&d->i2c_mutex); + return num; +} + static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); @@ -164,11 +219,11 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i obuf[0] = 0xaa; obuf[1] = msg[0].len; obuf[2] = msg[0].buf[0]; - ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, - obuf, msg[0].len + 2, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW210X_WRITE_MSG); /* second read registers */ - ret = dw2102_op_rw(d->udev, 0xc3, 0xab , 0, - ibuf, msg[1].len + 2, DW2102_READ_MSG); + ret = dw210x_op_rw(d->udev, 0xc3, 0xab , 0, + ibuf, msg[1].len + 2, DW210X_READ_MSG); memcpy(msg[1].buf, ibuf + 2, msg[1].len); break; @@ -187,8 +242,8 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i i = 1; do { memcpy(obuf + 3, msg[0].buf + i, (len > 16 ? 16 : len)); - ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, - obuf, (len > 16 ? 16 : len) + 3, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, (len > 16 ? 16 : len) + 3, DW210X_WRITE_MSG); i += 16; len -= 16; } while (len > 0); @@ -198,15 +253,15 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i obuf[0] = 0xaa; obuf[1] = msg[0].len; memcpy(obuf + 2, msg[0].buf, msg[0].len); - ret = dw2102_op_rw(d->udev, 0xc2, 0, 0, - obuf, msg[0].len + 2, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW210X_WRITE_MSG); } break; } case(DW2102_RC_QUERY): { u8 ibuf[2]; - ret = dw2102_op_rw(d->udev, 0xb8, 0, 0, - ibuf, 2, DW2102_READ_MSG); + ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + ibuf, 2, DW210X_READ_MSG); memcpy(msg[0].buf, ibuf , 2); break; } @@ -214,8 +269,8 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i u8 obuf[2]; obuf[0] = 0x30; obuf[1] = msg[0].buf[0]; - ret = dw2102_op_rw(d->udev, 0xb2, 0, 0, - obuf, 2, DW2102_WRITE_MSG); + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + obuf, 2, DW210X_WRITE_MSG); break; } } @@ -227,29 +282,34 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i return num; } -static u32 dw2102_i2c_func(struct i2c_adapter *adapter) +static u32 dw210x_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } static struct i2c_algorithm dw2102_i2c_algo = { .master_xfer = dw2102_i2c_transfer, - .functionality = dw2102_i2c_func, + .functionality = dw210x_i2c_func, +}; + +static struct i2c_algorithm dw2102_serit_i2c_algo = { + .master_xfer = dw2102_serit_i2c_transfer, + .functionality = dw210x_i2c_func, }; static struct i2c_algorithm dw2104_i2c_algo = { .master_xfer = dw2104_i2c_transfer, - .functionality = dw2102_i2c_func, + .functionality = dw210x_i2c_func, }; -static int dw2102_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) +static int dw210x_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) { int i; u8 ibuf[] = {0, 0}; u8 eeprom[256], eepromline[16]; for (i = 0; i < 256; i++) { - if (dw2102_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW2102_READ_MSG) < 0) { + if (dw210x_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW210X_READ_MSG) < 0) { err("read eeprom failed."); return -1; } else { @@ -265,7 +325,7 @@ static int dw2102_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) return 0; }; -static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) +static int dw210x_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) { static u8 command_13v[1] = {0x00}; static u8 command_18v[1] = {0x01}; @@ -287,25 +347,46 @@ static struct cx24116_config dw2104_config = { .mpg_clk_pos_pol = 0x01, }; +static struct si21xx_config serit_sp1511lhb_config = { + .demod_address = 0x68, + .min_delay_ms = 100, + +}; + static int dw2104_frontend_attach(struct dvb_usb_adapter *d) { if ((d->fe = dvb_attach(cx24116_attach, &dw2104_config, &d->dev->i2c_adap)) != NULL) { - d->fe->ops.set_voltage = dw2102_set_voltage; + d->fe->ops.set_voltage = dw210x_set_voltage; info("Attached cx24116!\n"); return 0; } return -EIO; } +static struct dvb_usb_device_properties dw2102_properties; + static int dw2102_frontend_attach(struct dvb_usb_adapter *d) { - d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config, - &d->dev->i2c_adap); - if (d->fe != NULL) { - d->fe->ops.set_voltage = dw2102_set_voltage; - info("Attached stv0299!\n"); - return 0; + if (dw2102_properties.i2c_algo == &dw2102_serit_i2c_algo) { + /*dw2102_properties.adapter->tuner_attach = NULL;*/ + d->fe = dvb_attach(si21xx_attach, &serit_sp1511lhb_config, + &d->dev->i2c_adap); + if (d->fe != NULL) { + d->fe->ops.set_voltage = dw210x_set_voltage; + info("Attached si21xx!\n"); + return 0; + } + } + if (dw2102_properties.i2c_algo == &dw2102_i2c_algo) { + /*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/ + d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config, + &d->dev->i2c_adap); + if (d->fe != NULL) { + d->fe->ops.set_voltage = dw210x_set_voltage; + info("Attached stv0299!\n"); + return 0; + } } return -EIO; } @@ -317,7 +398,7 @@ static int dw2102_tuner_attach(struct dvb_usb_adapter *adap) return 0; } -static struct dvb_usb_rc_key dw2102_rc_keys[] = { +static struct dvb_usb_rc_key dw210x_rc_keys[] = { { 0xf8, 0x0a, KEY_Q }, /*power*/ { 0xf8, 0x0c, KEY_M }, /*mute*/ { 0xf8, 0x11, KEY_1 }, @@ -356,7 +437,7 @@ static struct dvb_usb_rc_key dw2102_rc_keys[] = { static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { - struct dw2102_state *st = d->priv; + struct dw210x_state *st = d->priv; u8 key[2]; struct i2c_msg msg[] = { {.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key, @@ -366,12 +447,12 @@ static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) *state = REMOTE_NO_KEY_PRESSED; if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) { - for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) { - if (dw2102_rc_keys[i].data == msg[0].buf[0]) { + for (i = 0; i < ARRAY_SIZE(dw210x_rc_keys); i++) { + if (dw210x_rc_keys[i].data == msg[0].buf[0]) { *state = REMOTE_KEY_PRESSED; - *event = dw2102_rc_keys[i].event; + *event = dw210x_rc_keys[i].event; st->last_key_pressed = - dw2102_rc_keys[i].event; + dw210x_rc_keys[i].event; break; } st->last_key_pressed = 0; @@ -418,15 +499,15 @@ static int dw2102_load_firmware(struct usb_device *dev, p = kmalloc(fw->size, GFP_KERNEL); reset = 1; /*stop the CPU*/ - dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW2102_WRITE_MSG); - dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW2102_WRITE_MSG); + dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW210X_WRITE_MSG); + dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW210X_WRITE_MSG); if (p != NULL) { memcpy(p, fw->data, fw->size); for (i = 0; i < fw->size; i += 0x40) { b = (u8 *) p + i; - if (dw2102_op_rw(dev, 0xa0, i, 0, b , 0x40, - DW2102_WRITE_MSG) != 0x40) { + if (dw210x_op_rw(dev, 0xa0, i, 0, b , 0x40, + DW210X_WRITE_MSG) != 0x40) { err("error while transferring firmware"); ret = -EINVAL; break; @@ -434,13 +515,13 @@ static int dw2102_load_firmware(struct usb_device *dev, } /* restart the CPU */ reset = 0; - if (ret || dw2102_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, - DW2102_WRITE_MSG) != 1) { + if (ret || dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, + DW210X_WRITE_MSG) != 1) { err("could not restart the USB controller CPU."); ret = -EINVAL; } - if (ret || dw2102_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, - DW2102_WRITE_MSG) != 1) { + if (ret || dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, + DW210X_WRITE_MSG) != 1) { err("could not restart the USB controller CPU."); ret = -EINVAL; } @@ -449,27 +530,32 @@ static int dw2102_load_firmware(struct usb_device *dev, case USB_PID_DW2104: case 0xd650: reset = 1; - dw2102_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1, - DW2102_WRITE_MSG); + dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1, + DW210X_WRITE_MSG); reset = 0; - dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, - DW2102_WRITE_MSG); + dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, + DW210X_WRITE_MSG); break; case USB_PID_DW2102: - dw2102_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, - DW2102_WRITE_MSG); - dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, - DW2102_READ_MSG); + dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0, + DW210X_WRITE_MSG); + dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, + DW210X_READ_MSG); + /* check STV0299 frontend */ + dw210x_op_rw(dev, 0xb5, 0, 0, &reset16[0], 2, + DW210X_READ_MSG); + if (reset16[0] == 0xa1) + dw2102_properties.i2c_algo = &dw2102_i2c_algo; break; case 0x2101: - dw2102_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2, - DW2102_READ_MSG); - dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, - DW2102_READ_MSG); - dw2102_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, - DW2102_READ_MSG); - dw2102_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, - DW2102_READ_MSG); + dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2, + DW210X_READ_MSG); + dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, + DW210X_READ_MSG); + dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7, + DW210X_READ_MSG); + dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2, + DW210X_READ_MSG); break; } msleep(100); @@ -482,12 +568,12 @@ static struct dvb_usb_device_properties dw2102_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, .firmware = "dvb-usb-dw2102.fw", - .size_of_priv = sizeof(struct dw2102_state), + .size_of_priv = sizeof(struct dw210x_state), .no_reconnect = 1, - .i2c_algo = &dw2102_i2c_algo, - .rc_key_map = dw2102_rc_keys, - .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys), + .i2c_algo = &dw2102_serit_i2c_algo, + .rc_key_map = dw210x_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dw210x_rc_keys), .rc_interval = 150, .rc_query = dw2102_rc_query, @@ -495,7 +581,7 @@ static struct dvb_usb_device_properties dw2102_properties = { /* parameter for the MPEG2-data transfer */ .num_adapters = 1, .download_firmware = dw2102_load_firmware, - .read_mac_address = dw2102_read_mac_address, + .read_mac_address = dw210x_read_mac_address, .adapter = { { .frontend_attach = dw2102_frontend_attach, @@ -530,12 +616,12 @@ static struct dvb_usb_device_properties dw2104_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, .firmware = "dvb-usb-dw2104.fw", - .size_of_priv = sizeof(struct dw2102_state), + .size_of_priv = sizeof(struct dw210x_state), .no_reconnect = 1, .i2c_algo = &dw2104_i2c_algo, - .rc_key_map = dw2102_rc_keys, - .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys), + .rc_key_map = dw210x_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dw210x_rc_keys), .rc_interval = 150, .rc_query = dw2102_rc_query, @@ -543,7 +629,7 @@ static struct dvb_usb_device_properties dw2104_properties = { /* parameter for the MPEG2-data transfer */ .num_adapters = 1, .download_firmware = dw2102_load_firmware, - .read_mac_address = dw2102_read_mac_address, + .read_mac_address = dw210x_read_mac_address, .adapter = { { .frontend_attach = dw2104_frontend_attach, -- GitLab From 4cd7fb876ce0beecd4907f81d1a16ea95f5d6d6e Mon Sep 17 00:00:00 2001 From: Oleg Roitburd Date: Wed, 17 Sep 2008 11:30:21 -0300 Subject: [PATCH 3922/6244] V4L/DVB (9019): Added support for Omicom SS4 DVB-S/S2 card Added support for Omicom SS4 DVB-S/S2 card. The card based on cx24116 demodulator. Signed-off-by: Oleg Roitburd Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 22 ++++++++++++++++++++++ drivers/media/video/cx88/cx88-dvb.c | 9 +++++++++ drivers/media/video/cx88/cx88.h | 1 + 3 files changed, 32 insertions(+) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 23948daae85e..afaafd519eac 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1721,6 +1721,18 @@ static const struct cx88_board cx88_boards[] = { } }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_OMICOM_SS4_PCI] = { + .name = "Omicom SS4 DVB-S/S2 PCI", + .tuner_type = UNSET, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 0, + } }, + .mpeg = CX88_MPEG_DVB, + }, }; /* ------------------------------------------------------------------ */ @@ -2094,6 +2106,10 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0xD460, .subdevice = 0x9022, .card = CX88_BOARD_TEVII_S460, + }, { + .subvendor = 0xA044, + .subdevice = 0x2011, + .card = CX88_BOARD_OMICOM_SS4_PCI, }, }; @@ -2673,6 +2689,12 @@ static void cx88_card_setup(struct cx88_core *core) cx_write(MO_SRST_IO, 1); msleep(100); break; + case CX88_BOARD_OMICOM_SS4_PCI: + cx_write(MO_SRST_IO, 0); + msleep(100); + cx_write(MO_SRST_IO, 1); + msleep(100); + break; } /*end switch() */ diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index ce1752dc8e2b..c86802b913ed 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -958,6 +958,15 @@ static int dvb_register(struct cx8802_dev *dev) dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; } break; + case CX88_BOARD_OMICOM_SS4_PCI: + dev->dvb.frontend = dvb_attach(cx24116_attach, + &hauppauge_hvr4000_config, + &core->i2c_adap); + if (dev->dvb.frontend != NULL) { + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; + } + break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", core->name); diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 2b82c6aac89a..628371b49c56 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -224,6 +224,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_HAUPPAUGE_HVR4000 68 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69 #define CX88_BOARD_TEVII_S460 70 +#define CX88_BOARD_OMICOM_SS4_PCI 71 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From ee73042c002b435cc8bc49414d466cc3f31af123 Mon Sep 17 00:00:00 2001 From: Oleg Roitburd Date: Wed, 17 Sep 2008 11:58:33 -0300 Subject: [PATCH 3923/6244] V4L/DVB (9020): Added support for TBS 8920 DVB-S/S2 card Added support for TBS 8920 DVB-S/S2 card. The card based on cx24116 demodulator. Signed-off-by: Oleg Roitburd Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 22 ++++++++++++++++++++++ drivers/media/video/cx88/cx88-dvb.c | 9 +++++++++ drivers/media/video/cx88/cx88.h | 1 + 3 files changed, 32 insertions(+) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index afaafd519eac..a0e6156bc20f 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1733,6 +1733,18 @@ static const struct cx88_board cx88_boards[] = { } }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_TBS_8920] = { + .name = "TBS 8920 DVB-S/S2", + .tuner_type = TUNER_ABSENT, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 1, + } }, + .mpeg = CX88_MPEG_DVB, + }, }; /* ------------------------------------------------------------------ */ @@ -2110,6 +2122,10 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0xA044, .subdevice = 0x2011, .card = CX88_BOARD_OMICOM_SS4_PCI, + }, { + .subvendor = 0x8920, + .subdevice = 0x8888, + .card = CX88_BOARD_TBS_8920, }, }; @@ -2695,6 +2711,12 @@ static void cx88_card_setup(struct cx88_core *core) cx_write(MO_SRST_IO, 1); msleep(100); break; + case CX88_BOARD_TBS_8920: + cx_write(MO_SRST_IO, 0); + msleep(100); + cx_write(MO_SRST_IO, 1); + msleep(100); + break; } /*end switch() */ diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index c86802b913ed..a6c4f66bb161 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -967,6 +967,15 @@ static int dvb_register(struct cx8802_dev *dev) dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; } break; + case CX88_BOARD_TBS_8920: + dev->dvb.frontend = dvb_attach(cx24116_attach, + &hauppauge_hvr4000_config, + &core->i2c_adap); + if (dev->dvb.frontend != NULL) { + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; + } + break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", core->name); diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 628371b49c56..fa3a72525d61 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -225,6 +225,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_HAUPPAUGE_HVR4000LITE 69 #define CX88_BOARD_TEVII_S460 70 #define CX88_BOARD_OMICOM_SS4_PCI 71 +#define CX88_BOARD_TBS_8920 72 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From 5bacea3b9db1b88eeae5427f41efe65138f056da Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 22 Sep 2008 01:45:01 -0300 Subject: [PATCH 3924/6244] V4L/DVB (9021): S2API: Add Kconf dependency Patch provided by Darron Broad Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 2 ++ drivers/media/video/cx88/Kconfig | 1 + 2 files changed, 3 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index b51485c16312..8fea29754107 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -69,3 +69,5 @@ 68 -> Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [0070:6900,0070:6904,0070:6902] 69 -> Hauppauge WinTV-HVR4000(Lite) DVB-S/S2 [0070:6905,0070:6906] 70 -> TeVii S460 DVB-S/S2 [D460:9022] + 71 -> Omicom SS4 DVB-S/S2 PCI [A044:2011] + 72 -> TBS 8920 DVB-S/S2 [8920:8888] diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig index 9dd7bdf659b9..4f65ce3088bf 100644 --- a/drivers/media/video/cx88/Kconfig +++ b/drivers/media/video/cx88/Kconfig @@ -58,6 +58,7 @@ config VIDEO_CX88_DVB select DVB_ISL6421 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_SIMPLE if !DVB_FE_CUSTOMISE select DVB_S5H1411 if !DVB_FE_CUSTOMISE + select DVB_CX24116 if !DVB_FE_CUSTOMISE ---help--- This adds support for DVB/ATSC cards based on the Conexant 2388x chip. -- GitLab From 1cbd89dbde2a473f2f3d47ae31163d80fc8ca7e7 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 22 Sep 2008 01:46:26 -0300 Subject: [PATCH 3925/6244] V4L/DVB (9022): cx88: Enable TDA9887 on HVR1300 / 3000 / 4000 Patch provided by Darron Broad. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-i2c.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c index d7406a994f09..8e74d64fdcd2 100644 --- a/drivers/media/video/cx88/cx88-i2c.c +++ b/drivers/media/video/cx88/cx88-i2c.c @@ -201,7 +201,23 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) core->i2c_rc = i2c_bit_add_bus(&core->i2c_adap); if (0 == core->i2c_rc) { + static u8 tuner_data[] = + { 0x0b, 0xdc, 0x86, 0x52 }; + static struct i2c_msg tuner_msg = + { .flags = 0, .addr = 0xc2 >> 1, .buf = tuner_data, .len = 4 }; + dprintk(1, "i2c register ok\n"); + switch( core->boardnr ) { + case CX88_BOARD_HAUPPAUGE_HVR1300: + case CX88_BOARD_HAUPPAUGE_HVR3000: + case CX88_BOARD_HAUPPAUGE_HVR4000: + printk("%s: i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n", + core->name); + i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1); + break; + default: + break; + } if (i2c_scan) do_i2c_scan(core->name,&core->i2c_client); } else -- GitLab From 2491fbb7d5d83ea78c6127cb589c9e6c7649e0aa Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 22 Sep 2008 01:48:13 -0300 Subject: [PATCH 3926/6244] V4L/DVB (9023): cx88: HVR3000 / 4000 GPIO related changes Patch by Darron Broad. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 55 +++++++++++++++++++++------ 1 file changed, 43 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index a0e6156bc20f..0203c7579a32 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1349,27 +1349,30 @@ static const struct cx88_board cx88_boards[] = { .radio_addr = ADDR_UNSET, .tda9887_conf = TDA9887_PRESENT, .audio_chip = V4L2_IDENT_WM8775, + /* + * gpio0 as reported by Mike Crash + */ .input = {{ .type = CX88_VMUX_TELEVISION, .vmux = 0, - .gpio0 = 0xe780, + .gpio0 = 0xef88, .audioroute = 1, },{ .type = CX88_VMUX_COMPOSITE1, .vmux = 1, - .gpio0 = 0xe780, + .gpio0 = 0xef88, .audioroute = 2, },{ .type = CX88_VMUX_SVIDEO, .vmux = 2, - .gpio0 = 0xe780, + .gpio0 = 0xef88, .audioroute = 2, }}, /* fixme: Add radio support */ .mpeg = CX88_MPEG_DVB | CX88_MPEG_BLACKBIRD, .radio = { .type = CX88_RADIO, - .gpio0 = 0xe780, + .gpio0 = 0xef88, }, }, [CX88_BOARD_ADSTECH_PTV_390] = { @@ -1680,6 +1683,26 @@ static const struct cx88_board cx88_boards[] = { * S-Video 0xc4bf 0xc4bb * Composite1 0xc4ff 0xc4fb * S-Video1 0xc4ff 0xc4fb + * + * BIT VALUE FUNCTION GP{x}_IO + * 0 1 I:? + * 1 1 I:? + * 2 1 O:DVB-T DEMOD ENABLE LOW/ANALOG DEMOD ENABLE HIGH + * 3 1 I:? + * 4 1 I:? + * 5 1 I:? + * 6 0 O:INPUT SELECTOR 0=INTERNAL 1=EXPANSION + * 7 1 O:DVB-T DEMOD RESET LOW + * + * BIT VALUE FUNCTION GP{x}_OE + * 8 0 I + * 9 0 I + * a 1 O + * b 0 I + * c 0 I + * d 0 I + * e 1 O + * f 1 O */ .input = {{ .type = CX88_VMUX_TELEVISION, @@ -2512,13 +2535,18 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core) { switch (core->boardnr) { case CX88_BOARD_HAUPPAUGE_HVR1300: - /* Bring the 702 demod up before i2c scanning/attach or devices are hidden */ - /* We leave here with the 702 on the bus */ - cx_write(MO_GP0_IO, 0x0000e780); + /* + * Bring the 702 demod up before i2c scanning/attach or devices are hidden + * We leave here with the 702 on the bus + * + * "reset the IR receiver on GPIO[3]" + * Reported by Mike Crash + */ + cx_write(MO_GP0_IO, 0x0000ef88); udelay(1000); - cx_clear(MO_GP0_IO, 0x00000080); + cx_clear(MO_GP0_IO, 0x00000088); udelay(50); - cx_set(MO_GP0_IO, 0x00000080); /* 702 out of reset */ + cx_set(MO_GP0_IO, 0x00000088); /* 702 out of reset */ udelay(1000); break; @@ -2531,15 +2559,18 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core) msleep(10); break; - case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: + case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: /* Enable the xc5000 tuner */ cx_set(MO_GP0_IO, 0x00001010); break; + + case CX88_BOARD_HAUPPAUGE_HVR3000: case CX88_BOARD_HAUPPAUGE_HVR4000: case CX88_BOARD_HAUPPAUGE_HVR4000LITE: - /* Init GPIO to allow tuner to attach */ - cx_write(MO_GP0_IO, 0x0000c4bf); + /* Init GPIO */ + cx_write(MO_GP0_IO, core->board.input[0].gpio0); udelay(1000); + break; } } -- GitLab From fc6e8c284bcb23ac7a576b7959803168398e390a Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Tue, 23 Sep 2008 22:14:33 -0300 Subject: [PATCH 3927/6244] V4L/DVB (9024): S2API: Cleanup dtv_property remove unwanted fields. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/frontend.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 4f3fd641ccb8..71f25f5bf37d 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -358,8 +358,6 @@ struct dtv_property { __u32 cmd; __u32 reserved[3]; union { - __s32 valuemin; - __s32 valuemax; __u32 data; struct { __u8 data[32]; -- GitLab From 8316568930074723bdc47d6777f822be0422a5b7 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Tue, 23 Sep 2008 22:21:26 -0300 Subject: [PATCH 3928/6244] V4L/DVB (9025): S2API: Deactivate the ISDB-T definitions We don't want to push the ISDB-T definitions into the kernel until we have a high level of confidence in the ISDB-T API. More testing is required before this code is released. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 99 ----------------------- drivers/media/dvb/dvb-core/dvb_frontend.h | 13 --- include/linux/dvb/frontend.h | 30 ------- 3 files changed, 142 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 05d0b73cf9a3..7da25372078c 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -829,17 +829,6 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_DELIVERY_SYSTEM, .set = 1, }, - [DTV_ISDB_SEGMENT_IDX] = { - .name = "DTV_ISDB_SEGMENT_IDX", - .cmd = DTV_ISDB_SEGMENT_IDX, - .set = 1, - }, - [DTV_ISDB_SEGMENT_WIDTH] = { - .name = "DTV_ISDB_SEGMENT_WIDTH", - .cmd = DTV_ISDB_SEGMENT_WIDTH, - .set = 1, - }, - /* Get */ [DTV_DISEQC_SLAVE_REPLY] = { .name = "DTV_DISEQC_SLAVE_REPLY", @@ -847,51 +836,6 @@ struct dtv_cmds_h dtv_cmds[] = { .set = 0, .buffer = 1, }, - [DTV_ISDB_LAYERA_FEC] = { - .name = "DTV_ISDB_LAYERA_FEC", - .cmd = DTV_ISDB_LAYERA_FEC, - .set = 0, - }, - [DTV_ISDB_LAYERA_MODULATION] = { - .name = "DTV_ISDB_LAYERA_MODULATION", - .cmd = DTV_ISDB_LAYERA_MODULATION, - .set = 0, - }, - [DTV_ISDB_LAYERA_SEGMENT_WIDTH] = { - .name = "DTV_ISDB_LAYERA_SEGMENT_WIDTH", - .cmd = DTV_ISDB_LAYERA_SEGMENT_WIDTH, - .set = 0, - }, - [DTV_ISDB_LAYERB_FEC] = { - .name = "DTV_ISDB_LAYERB_FEC", - .cmd = DTV_ISDB_LAYERB_FEC, - .set = 0, - }, - [DTV_ISDB_LAYERB_MODULATION] = { - .name = "DTV_ISDB_LAYERB_MODULATION", - .cmd = DTV_ISDB_LAYERB_MODULATION, - .set = 0, - }, - [DTV_ISDB_LAYERB_SEGMENT_WIDTH] = { - .name = "DTV_ISDB_LAYERB_SEGMENT_WIDTH", - .cmd = DTV_ISDB_LAYERB_SEGMENT_WIDTH, - .set = 0, - }, - [DTV_ISDB_LAYERC_FEC] = { - .name = "DTV_ISDB_LAYERC_FEC", - .cmd = DTV_ISDB_LAYERC_FEC, - .set = 0, - }, - [DTV_ISDB_LAYERC_MODULATION] = { - .name = "DTV_ISDB_LAYERC_MODULATION", - .cmd = DTV_ISDB_LAYERC_MODULATION, - .set = 0, - }, - [DTV_ISDB_LAYERC_SEGMENT_WIDTH] = { - .name = "DTV_ISDB_LAYERC_SEGMENT_WIDTH", - .cmd = DTV_ISDB_LAYERC_SEGMENT_WIDTH, - .set = 0, - }, }; void dtv_property_dump(struct dtv_property *tvp) @@ -1154,41 +1098,6 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_DELIVERY_SYSTEM: tvp->u.data = fe->dtv_property_cache.delivery_system; break; - - /* ISDB-T Support here */ - case DTV_ISDB_SEGMENT_IDX: - tvp->u.data = fe->dtv_property_cache.isdb_segment_idx; - break; - case DTV_ISDB_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_segment_width; - break; - case DTV_ISDB_LAYERA_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layera_fec; - break; - case DTV_ISDB_LAYERA_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layera_modulation; - break; - case DTV_ISDB_LAYERA_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layera_segment_width; - break; - case DTV_ISDB_LAYERB_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_fec; - break; - case DTV_ISDB_LAYERB_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_modulation; - break; - case DTV_ISDB_LAYERB_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layerb_segment_width; - break; - case DTV_ISDB_LAYERC_FEC: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_fec; - break; - case DTV_ISDB_LAYERC_MODULATION: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_modulation; - break; - case DTV_ISDB_LAYERC_SEGMENT_WIDTH: - tvp->u.data = fe->dtv_property_cache.isdb_layerc_segment_width; - break; case DTV_VOLTAGE: tvp->u.data = fe->dtv_property_cache.voltage; break; @@ -1266,14 +1175,6 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_DELIVERY_SYSTEM: fe->dtv_property_cache.delivery_system = tvp->u.data; break; - - /* ISDB-T Support here */ - case DTV_ISDB_SEGMENT_IDX: - fe->dtv_property_cache.isdb_segment_idx = tvp->u.data; - break; - case DTV_ISDB_SEGMENT_WIDTH: - fe->dtv_property_cache.isdb_segment_width = tvp->u.data; - break; case DTV_VOLTAGE: fe->dtv_property_cache.voltage = tvp->u.data; r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE, diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 2fa37f5a0d9a..1c575402814d 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -209,19 +209,6 @@ struct dtv_frontend_properties { fe_rolloff_t rolloff; fe_delivery_system_t delivery_system; - - /* ISDB-T specifics */ - u32 isdb_segment_idx; - u32 isdb_segment_width; - fe_code_rate_t isdb_layera_fec; - fe_modulation_t isdb_layera_modulation; - u32 isdb_layera_segment_width; - fe_code_rate_t isdb_layerb_fec; - fe_modulation_t isdb_layerb_modulation; - u32 isdb_layerb_segment_width; - fe_code_rate_t isdb_layerc_fec; - fe_modulation_t isdb_layerc_modulation; - u32 isdb_layerc_segment_width; }; struct dvb_frontend { diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 71f25f5bf37d..c822bc156c48 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -280,36 +280,6 @@ typedef enum dtv_cmd_types { /* New commands are always appended */ DTV_DELIVERY_SYSTEM, - - /* ISDB */ - /* maybe a dup of DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID ??? */ - DTV_ISDB_SEGMENT_IDX, - DTV_ISDB_SEGMENT_WIDTH, /* 1, 3 or 13 ??? */ - - /* the central segment can be received independently or 1/3 seg in SB-mode */ - DTV_ISDB_PARTIAL_RECEPTION, - /* sound broadcasting is used 0 = 13segment, 1 = 1 or 3 see DTV_ISDB_PARTIAL_RECEPTION */ - DTV_ISDB_SOUND_BROADCASTING, - - /* only used in SB */ - /* determines the initial PRBS of the segment (to match with 13seg channel) */ - DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID, - - DTV_ISDB_LAYERA_FEC, - DTV_ISDB_LAYERA_MODULATION, - DTV_ISDB_LAYERA_SEGMENT_WIDTH, - DTV_ISDB_LAYERA_TIME_INTERLEAVER, - - DTV_ISDB_LAYERB_FEC, - DTV_ISDB_LAYERB_MODULATION, - DTV_ISDB_LAYERB_SEGMENT_WIDTH, - DTV_ISDB_LAYERB_TIME_INTERLEAVING, - - DTV_ISDB_LAYERC_FEC, - DTV_ISDB_LAYERC_MODULATION, - DTV_ISDB_LAYERC_SEGMENT_WIDTH, - DTV_ISDB_LAYERC_TIME_INTERLEAVING, - } dtv_cmd_types_t; typedef enum fe_pilot { -- GitLab From e4aab64cb78a42e45e1d387f272712e06cf89a66 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Tue, 23 Sep 2008 15:43:57 -0300 Subject: [PATCH 3929/6244] V4L/DVB (9026): Add support for ST STV0288 demodulator and cards with it. Add support for ST STV0288 demodulator and cards with it, such as TeVii S420. Patch is co-authored with Georg Acher Signed-off-by: Georg Acher Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dm1105/dm1105.c | 11 +- drivers/media/dvb/frontends/Kconfig | 14 + drivers/media/dvb/frontends/Makefile | 2 + drivers/media/dvb/frontends/stb6000.c | 254 +++++++++++ drivers/media/dvb/frontends/stb6000.h | 51 +++ drivers/media/dvb/frontends/stv0288.c | 606 ++++++++++++++++++++++++++ drivers/media/dvb/frontends/stv0288.h | 65 +++ drivers/media/dvb/frontends/stv0299.c | 2 + drivers/media/dvb/frontends/stv0299.h | 13 +- drivers/media/video/cx88/Kconfig | 3 + drivers/media/video/cx88/cx88-cards.c | 19 +- drivers/media/video/cx88/cx88-dvb.c | 48 ++ drivers/media/video/cx88/cx88.h | 1 + 13 files changed, 1077 insertions(+), 12 deletions(-) create mode 100644 drivers/media/dvb/frontends/stb6000.c create mode 100644 drivers/media/dvb/frontends/stb6000.h create mode 100644 drivers/media/dvb/frontends/stv0288.c create mode 100644 drivers/media/dvb/frontends/stv0288.h diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c index 0c1790fe2b56..f7321448b4b1 100644 --- a/drivers/media/dvb/dm1105/dm1105.c +++ b/drivers/media/dvb/dm1105/dm1105.c @@ -39,8 +39,8 @@ #include "dvb-pll.h" #include "stv0299.h" -/*#include "stv0288.h" - *#include "stb6000.h"*/ +#include "stv0288.h" +#include "stb6000.h" #include "si21xx.h" #include "cx24116.h" #include "z0194a.h" @@ -594,13 +594,12 @@ static void dm1105dvb_hw_exit(struct dm1105dvb *dm1105dvb) dm1105dvb_dma_unmap(dm1105dvb); } -#if 0 + static struct stv0288_config earda_config = { .demod_address = 0x68, .min_delay_ms = 100, }; -#endif /* keep */ static struct si21xx_config serit_config = { .demod_address = 0x68, .min_delay_ms = 100, @@ -627,7 +626,7 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) dvb_attach(dvb_pll_attach, dm1105dvb->fe, 0x60, &dm1105dvb->i2c_adap, DVB_PLL_OPERA1); } -#if 0 + if (!dm1105dvb->fe) { dm1105dvb->fe = dvb_attach( stv0288_attach, &earda_config, @@ -639,7 +638,7 @@ static int __devinit frontend_init(struct dm1105dvb *dm1105dvb) &dm1105dvb->i2c_adap); } } -#endif /* keep */ + if (!dm1105dvb->fe) { dm1105dvb->fe = dvb_attach( si21xx_attach, &serit_config, diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 7697391ca86c..96b93e21a84b 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -43,6 +43,20 @@ config DVB_S5H1420 help A DVB-S tuner module. Say Y when you want to support this frontend. +config DVB_STV0288 + tristate "ST STV0288 based" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-S tuner module. Say Y when you want to support this frontend. + +config DVB_STB6000 + tristate "ST STB6000 silicon tuner" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-S silicon tuner module. Say Y when you want to support this tuner. + config DVB_STV0299 tristate "ST STV0299 based" depends on DVB_CORE && I2C diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index c719b7fdce4a..491eb5c55855 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -53,3 +53,5 @@ obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o obj-$(CONFIG_DVB_AF9013) += af9013.o obj-$(CONFIG_DVB_CX24116) += cx24116.o obj-$(CONFIG_DVB_SI21XX) += si21xx.o +obj-$(CONFIG_DVB_STV0299) += stv0288.o +obj-$(CONFIG_DVB_STB6000) += stb6000.o diff --git a/drivers/media/dvb/frontends/stb6000.c b/drivers/media/dvb/frontends/stb6000.c new file mode 100644 index 000000000000..7d65123b4ec9 --- /dev/null +++ b/drivers/media/dvb/frontends/stb6000.c @@ -0,0 +1,254 @@ + /* + Driver for ST STB6000 DVBS Silicon tuner + + Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + */ + +#include +#include +#include + +#include "stb6000.h" + +static int debug; +#define dprintk(args...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "stb6000: " args); \ + } while (0) + +struct stb6000_priv { + /* i2c details */ + int i2c_address; + struct i2c_adapter *i2c; + u32 frequency; +}; + +static int stb6000_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int stb6000_sleep(struct dvb_frontend *fe) +{ + struct stb6000_priv *priv = fe->tuner_priv; + int ret; + u8 buf[] = { 10, 0 }; + struct i2c_msg msg = { + .addr = priv->i2c_address, + .flags = 0, + .buf = buf, + .len = 2 + }; + + dprintk("%s:\n", __func__); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = i2c_transfer(priv->i2c, &msg, 1); + if (ret != 1) + dprintk("%s: i2c error\n", __func__); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return (ret == 1) ? 0 : ret; +} + +static int stb6000_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct stb6000_priv *priv = fe->tuner_priv; + unsigned int n, m; + int ret; + u32 freq_mhz; + int bandwidth; + u8 buf[12]; + struct i2c_msg msg = { + .addr = priv->i2c_address, + .flags = 0, + .buf = buf, + .len = 12 + }; + + dprintk("%s:\n", __func__); + + freq_mhz = params->frequency / 1000; + bandwidth = params->u.qpsk.symbol_rate / 1000000; + + if (bandwidth > 31) + bandwidth = 31; + + if ((freq_mhz > 949) && (freq_mhz < 2151)) { + buf[0] = 0x01; + buf[1] = 0xac; + if (freq_mhz < 1950) + buf[1] = 0xaa; + if (freq_mhz < 1800) + buf[1] = 0xa8; + if (freq_mhz < 1650) + buf[1] = 0xa6; + if (freq_mhz < 1530) + buf[1] = 0xa5; + if (freq_mhz < 1470) + buf[1] = 0xa4; + if (freq_mhz < 1370) + buf[1] = 0xa2; + if (freq_mhz < 1300) + buf[1] = 0xa1; + if (freq_mhz < 1200) + buf[1] = 0xa0; + if (freq_mhz < 1075) + buf[1] = 0xbc; + if (freq_mhz < 1000) + buf[1] = 0xba; + if (freq_mhz < 1075) { + n = freq_mhz / 8; /* vco=lo*4 */ + m = 2; + } else { + n = freq_mhz / 16; /* vco=lo*2 */ + m = 1; + } + buf[2] = n >> 1; + buf[3] = (unsigned char)(((n & 1) << 7) | + (m * freq_mhz - n * 16) | 0x60); + buf[4] = 0x04; + buf[5] = 0x0e; + + buf[6] = (unsigned char)(bandwidth); + + buf[7] = 0xd8; + buf[8] = 0xd0; + buf[9] = 0x50; + buf[10] = 0xeb; + buf[11] = 0x4f; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = i2c_transfer(priv->i2c, &msg, 1); + if (ret != 1) + dprintk("%s: i2c error\n", __func__); + + udelay(10); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + buf[0] = 0x07; + buf[1] = 0xdf; + buf[2] = 0xd0; + buf[3] = 0x50; + buf[4] = 0xfb; + msg.len = 5; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + ret = i2c_transfer(priv->i2c, &msg, 1); + if (ret != 1) + dprintk("%s: i2c error\n", __func__); + + udelay(10); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + priv->frequency = freq_mhz * 1000; + + return (ret == 1) ? 0 : ret; + } + return -1; +} + +static int stb6000_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct stb6000_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static struct dvb_tuner_ops stb6000_tuner_ops = { + .info = { + .name = "ST STB6000", + .frequency_min = 950000, + .frequency_max = 2150000 + }, + .release = stb6000_release, + .sleep = stb6000_sleep, + .set_params = stb6000_set_params, + .get_frequency = stb6000_get_frequency, +}; + +struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr, + struct i2c_adapter *i2c) +{ + struct stb6000_priv *priv = NULL; + u8 b1[] = { 0, 0 }; + struct i2c_msg msg[2] = { + { + .addr = addr, + .flags = 0, + .buf = NULL, + .len = 0 + }, { + .addr = addr, + .flags = I2C_M_RD, + .buf = b1, + .len = 2 + } + }; + int ret; + + dprintk("%s:\n", __func__); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + /* is some i2c device here ? */ + ret = i2c_transfer(i2c, msg, 2); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (ret != 2) + return NULL; + + priv = kzalloc(sizeof(struct stb6000_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->i2c_address = addr; + priv->i2c = i2c; + + memcpy(&fe->ops.tuner_ops, &stb6000_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + fe->tuner_priv = priv; + + return fe; +} +EXPORT_SYMBOL(stb6000_attach); + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_DESCRIPTION("DVB STB6000 driver"); +MODULE_AUTHOR("Igor M. Liplianin "); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/stb6000.h b/drivers/media/dvb/frontends/stb6000.h new file mode 100644 index 000000000000..7be479c22d5b --- /dev/null +++ b/drivers/media/dvb/frontends/stb6000.h @@ -0,0 +1,51 @@ + /* + Driver for ST stb6000 DVBS Silicon tuner + + Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + */ + +#ifndef __DVB_STB6000_H__ +#define __DVB_STB6000_H__ + +#include +#include "dvb_frontend.h" + +/** + * Attach a stb6000 tuner to the supplied frontend structure. + * + * @param fe Frontend to attach to. + * @param addr i2c address of the tuner. + * @param i2c i2c adapter to use. + * @return FE pointer on success, NULL on failure. + */ +#if defined(CONFIG_DVB_STB6000) || (defined(CONFIG_DVB_STB6000_MODULE) \ + && defined(MODULE)) +extern struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, + int addr, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_STB6000 */ + +#endif /* __DVB_STB6000_H__ */ diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c new file mode 100644 index 000000000000..90e72e771a04 --- /dev/null +++ b/drivers/media/dvb/frontends/stv0288.c @@ -0,0 +1,606 @@ +/* + Driver for ST STV0288 demodulator + Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de + for Reel Multimedia + Copyright (C) 2008 TurboSight.com, Bob Liu + Copyright (C) 2008 Igor M. Liplianin + Removed stb6000 specific tuner code and revised some + procedures. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include +#include +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "stv0288.h" + +struct stv0288_state { + struct i2c_adapter *i2c; + const struct stv0288_config *config; + struct dvb_frontend frontend; + + u8 initialised:1; + u32 tuner_frequency; + u32 symbol_rate; + fe_code_rate_t fec_inner; + int errmode; +}; + +#define STATUS_BER 0 +#define STATUS_UCBLOCKS 1 + +static int debug; +static int debug_legacy_dish_switch; +#define dprintk(args...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "stv0288: " args); \ + } while (0) + + +static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data) +{ + int ret; + u8 buf[] = { reg, data }; + struct i2c_msg msg = { + .addr = state->config->demod_address, + .flags = 0, + .buf = buf, + .len = 2 + }; + + ret = i2c_transfer(state->i2c, &msg, 1); + + if (ret != 1) + dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, " + "ret == %i)\n", __func__, reg, data, ret); + + return (ret != 1) ? -EREMOTEIO : 0; +} + +static int stv0288_write(struct dvb_frontend *fe, u8 *buf, int len) +{ + struct stv0288_state *state = fe->demodulator_priv; + + if (len != 2) + return -EINVAL; + + return stv0288_writeregI(state, buf[0], buf[1]); +} + +static u8 stv0288_readreg(struct stv0288_state *state, u8 reg) +{ + int ret; + u8 b0[] = { reg }; + u8 b1[] = { 0 }; + struct i2c_msg msg[] = { + { + .addr = state->config->demod_address, + .flags = 0, + .buf = b0, + .len = 1 + }, { + .addr = state->config->demod_address, + .flags = I2C_M_RD, + .buf = b1, + .len = 1 + } + }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) + dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n", + __func__, reg, ret); + + return b1[0]; +} + +static int stv0288_set_symbolrate(struct dvb_frontend *fe, u32 srate) +{ + struct stv0288_state *state = fe->demodulator_priv; + unsigned int temp; + unsigned char b[3]; + + if ((srate < 1000000) || (srate > 45000000)) + return -EINVAL; + + temp = (unsigned int)srate / 1000; + + temp = temp * 32768; + temp = temp / 25; + temp = temp / 125; + b[0] = (unsigned char)((temp >> 12) & 0xff); + b[1] = (unsigned char)((temp >> 4) & 0xff); + b[2] = (unsigned char)((temp << 4) & 0xf0); + stv0288_writeregI(state, 0x28, 0x80); /* SFRH */ + stv0288_writeregI(state, 0x29, 0); /* SFRM */ + stv0288_writeregI(state, 0x2a, 0); /* SFRL */ + + stv0288_writeregI(state, 0x28, b[0]); + stv0288_writeregI(state, 0x29, b[1]); + stv0288_writeregI(state, 0x2a, b[2]); + dprintk("stv0288: stv0288_set_symbolrate\n"); + + return 0; +} + +static int stv0288_send_diseqc_msg(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *m) +{ + struct stv0288_state *state = fe->demodulator_priv; + + int i; + + dprintk("%s\n", __func__); + + stv0288_writeregI(state, 0x09, 0); + msleep(30); + stv0288_writeregI(state, 0x05, 0x16); + + for (i = 0; i < m->msg_len; i++) { + if (stv0288_writeregI(state, 0x06, m->msg[i])) + return -EREMOTEIO; + msleep(12); + } + + return 0; +} + +static int stv0288_send_diseqc_burst(struct dvb_frontend *fe, + fe_sec_mini_cmd_t burst) +{ + struct stv0288_state *state = fe->demodulator_priv; + + dprintk("%s\n", __func__); + + if (stv0288_writeregI(state, 0x05, 0x16))/* burst mode */ + return -EREMOTEIO; + + if (stv0288_writeregI(state, 0x06, burst == SEC_MINI_A ? 0x00 : 0xff)) + return -EREMOTEIO; + + if (stv0288_writeregI(state, 0x06, 0x12)) + return -EREMOTEIO; + + return 0; +} + +static int stv0288_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone) +{ + struct stv0288_state *state = fe->demodulator_priv; + + switch (tone) { + case SEC_TONE_ON: + if (stv0288_writeregI(state, 0x05, 0x10))/* burst mode */ + return -EREMOTEIO; + return stv0288_writeregI(state, 0x06, 0xff); + + case SEC_TONE_OFF: + if (stv0288_writeregI(state, 0x05, 0x13))/* burst mode */ + return -EREMOTEIO; + return stv0288_writeregI(state, 0x06, 0x00); + + default: + return -EINVAL; + } +} + +static u8 stv0288_inittab[] = { + 0x01, 0x15, + 0x02, 0x20, + 0x09, 0x0, + 0x0a, 0x4, + 0x0b, 0x0, + 0x0c, 0x0, + 0x0d, 0x0, + 0x0e, 0xd4, + 0x0f, 0x30, + 0x11, 0x80, + 0x12, 0x03, + 0x13, 0x48, + 0x14, 0x84, + 0x15, 0x45, + 0x16, 0xb7, + 0x17, 0x9c, + 0x18, 0x0, + 0x19, 0xa6, + 0x1a, 0x88, + 0x1b, 0x8f, + 0x1c, 0xf0, + 0x20, 0x0b, + 0x21, 0x54, + 0x22, 0x0, + 0x23, 0x0, + 0x2b, 0xff, + 0x2c, 0xf7, + 0x30, 0x0, + 0x31, 0x1e, + 0x32, 0x14, + 0x33, 0x0f, + 0x34, 0x09, + 0x35, 0x0c, + 0x36, 0x05, + 0x37, 0x2f, + 0x38, 0x16, + 0x39, 0xbe, + 0x3a, 0x0, + 0x3b, 0x13, + 0x3c, 0x11, + 0x3d, 0x30, + 0x40, 0x63, + 0x41, 0x04, + 0x42, 0x60, + 0x43, 0x00, + 0x44, 0x00, + 0x45, 0x00, + 0x46, 0x00, + 0x47, 0x00, + 0x4a, 0x00, + 0x50, 0x10, + 0x51, 0x38, + 0x52, 0x21, + 0x58, 0x54, + 0x59, 0x86, + 0x5a, 0x0, + 0x5b, 0x9b, + 0x5c, 0x08, + 0x5d, 0x7f, + 0x5e, 0x0, + 0x5f, 0xff, + 0x70, 0x0, + 0x71, 0x0, + 0x72, 0x0, + 0x74, 0x0, + 0x75, 0x0, + 0x76, 0x0, + 0x81, 0x0, + 0x82, 0x3f, + 0x83, 0x3f, + 0x84, 0x0, + 0x85, 0x0, + 0x88, 0x0, + 0x89, 0x0, + 0x8a, 0x0, + 0x8b, 0x0, + 0x8c, 0x0, + 0x90, 0x0, + 0x91, 0x0, + 0x92, 0x0, + 0x93, 0x0, + 0x94, 0x1c, + 0x97, 0x0, + 0xa0, 0x48, + 0xa1, 0x0, + 0xb0, 0xb8, + 0xb1, 0x3a, + 0xb2, 0x10, + 0xb3, 0x82, + 0xb4, 0x80, + 0xb5, 0x82, + 0xb6, 0x82, + 0xb7, 0x82, + 0xb8, 0x20, + 0xb9, 0x0, + 0xf0, 0x0, + 0xf1, 0x0, + 0xf2, 0xc0, + 0x51, 0x36, + 0x52, 0x09, + 0x53, 0x94, + 0x54, 0x62, + 0x55, 0x29, + 0x56, 0x64, + 0x57, 0x2b, + 0xff, 0xff, +}; + +static int stv0288_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt) +{ + dprintk("%s: %s\n", __func__, + volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : + volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??"); + + return 0; +} + +static int stv0288_init(struct dvb_frontend *fe) +{ + struct stv0288_state *state = fe->demodulator_priv; + int i; + + dprintk("stv0288: init chip\n"); + stv0288_writeregI(state, 0x41, 0x04); + msleep(50); + + for (i = 0; !(stv0288_inittab[i] == 0xff && + stv0288_inittab[i + 1] == 0xff); i += 2) + stv0288_writeregI(state, stv0288_inittab[i], + stv0288_inittab[i + 1]); + + return 0; +} + +static int stv0288_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct stv0288_state *state = fe->demodulator_priv; + + u8 sync = stv0288_readreg(state, 0x24); + if (sync == 255) + sync = 0; + + dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync); + + *status = 0; + + if ((sync & 0x08) == 0x08) { + *status |= FE_HAS_LOCK; + dprintk("stv0288 has locked\n"); + } + + return 0; +} + +static int stv0288_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct stv0288_state *state = fe->demodulator_priv; + + if (state->errmode != STATUS_BER) + return 0; + *ber = (stv0288_readreg(state, 0x26) << 8) | + stv0288_readreg(state, 0x27); + dprintk("stv0288_read_ber %d\n", *ber); + + return 0; +} + + +static int stv0288_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct stv0288_state *state = fe->demodulator_priv; + + s32 signal = 0xffff - ((stv0288_readreg(state, 0x10) << 8)); + + + signal = signal * 5 / 4; + *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal; + dprintk("stv0288_read_signal_strength %d\n", *strength); + + return 0; +} +static int stv0288_sleep(struct dvb_frontend *fe) +{ + struct stv0288_state *state = fe->demodulator_priv; + + stv0288_writeregI(state, 0x41, 0x84); + state->initialised = 0; + + return 0; +} +static int stv0288_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct stv0288_state *state = fe->demodulator_priv; + + s32 xsnr = 0xffff - ((stv0288_readreg(state, 0x2d) << 8) + | stv0288_readreg(state, 0x2e)); + xsnr = 3 * (xsnr - 0xa100); + *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr; + dprintk("stv0288_read_snr %d\n", *snr); + + return 0; +} + +static int stv0288_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct stv0288_state *state = fe->demodulator_priv; + + if (state->errmode != STATUS_BER) + return 0; + *ucblocks = (stv0288_readreg(state, 0x26) << 8) | + stv0288_readreg(state, 0x27); + dprintk("stv0288_read_ber %d\n", *ucblocks); + + return 0; +} + +static int stv0288_set_property(struct dvb_frontend *fe, struct dtv_property *p) +{ + dprintk("%s(..)\n", __func__); + return 0; +} + +static int stv0288_get_property(struct dvb_frontend *fe, struct dtv_property *p) +{ + dprintk("%s(..)\n", __func__); + return 0; +} + +static int stv0288_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *dfp) +{ + struct stv0288_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + char tm; + unsigned char tda[3]; + + dprintk("%s : FE_SET_FRONTEND\n", __func__); + + if (c->delivery_system != SYS_DVBS) { + dprintk("%s: unsupported delivery " + "system selected (%d)\n", + __func__, c->delivery_system); + return -EOPNOTSUPP; + } + + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 0); + + /* only frequency & symbol_rate are used for tuner*/ + dfp->frequency = c->frequency; + dfp->u.qpsk.symbol_rate = c->symbol_rate; + if (fe->ops.tuner_ops.set_params) { + fe->ops.tuner_ops.set_params(fe, dfp); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + } + + udelay(10); + stv0288_set_symbolrate(fe, c->symbol_rate); + /* Carrier lock control register */ + stv0288_writeregI(state, 0x15, 0xc5); + + tda[0] = 0x2b; /* CFRM */ + tda[2] = 0x0; /* CFRL */ + for (tm = -6; tm < 7;) { + /* Viterbi status */ + if (stv0288_readreg(state, 0x24) & 0x80) + break; + + tda[2] += 40; + if (tda[2] < 40) + tm++; + tda[1] = (unsigned char)tm; + stv0288_writeregI(state, 0x2b, tda[1]); + stv0288_writeregI(state, 0x2c, tda[2]); + udelay(30); + } + + state->tuner_frequency = c->frequency; + state->fec_inner = FEC_AUTO; + state->symbol_rate = c->symbol_rate; + + return 0; +} + +static int stv0288_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + struct stv0288_state *state = fe->demodulator_priv; + + if (enable) + stv0288_writeregI(state, 0x01, 0xb5); + else + stv0288_writeregI(state, 0x01, 0x35); + + udelay(1); + + return 0; +} + +static void stv0288_release(struct dvb_frontend *fe) +{ + struct stv0288_state *state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops stv0288_ops = { + + .info = { + .name = "ST STV0288 DVB-S", + .type = FE_QPSK, + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 1000, /* kHz for QPSK frontends */ + .frequency_tolerance = 0, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .symbol_rate_tolerance = 500, /* ppm */ + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | + FE_CAN_QPSK | + FE_CAN_FEC_AUTO + }, + + .release = stv0288_release, + .init = stv0288_init, + .sleep = stv0288_sleep, + .write = stv0288_write, + .i2c_gate_ctrl = stv0288_i2c_gate_ctrl, + .read_status = stv0288_read_status, + .read_ber = stv0288_read_ber, + .read_signal_strength = stv0288_read_signal_strength, + .read_snr = stv0288_read_snr, + .read_ucblocks = stv0288_read_ucblocks, + .diseqc_send_master_cmd = stv0288_send_diseqc_msg, + .diseqc_send_burst = stv0288_send_diseqc_burst, + .set_tone = stv0288_set_tone, + .set_voltage = stv0288_set_voltage, + + .set_property = stv0288_set_property, + .get_property = stv0288_get_property, + .set_frontend = stv0288_set_frontend, +}; + +struct dvb_frontend *stv0288_attach(const struct stv0288_config *config, + struct i2c_adapter *i2c) +{ + struct stv0288_state *state = NULL; + int id; + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct stv0288_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->config = config; + state->i2c = i2c; + state->initialised = 0; + state->tuner_frequency = 0; + state->symbol_rate = 0; + state->fec_inner = 0; + state->errmode = STATUS_BER; + + stv0288_writeregI(state, 0x41, 0x04); + msleep(200); + id = stv0288_readreg(state, 0x00); + dprintk("stv0288 id %x\n", id); + + /* register 0x00 contains 0x11 for STV0288 */ + if (id != 0x11) + goto error; + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &stv0288_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + + return NULL; +} +EXPORT_SYMBOL(stv0288_attach); + +module_param(debug_legacy_dish_switch, int, 0444); +MODULE_PARM_DESC(debug_legacy_dish_switch, + "Enable timing analysis for Dish Network legacy switches"); + +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); + +MODULE_DESCRIPTION("ST STV0288 DVB Demodulator driver"); +MODULE_AUTHOR("Georg Acher, Bob Liu, Igor liplianin"); +MODULE_LICENSE("GPL"); + diff --git a/drivers/media/dvb/frontends/stv0288.h b/drivers/media/dvb/frontends/stv0288.h new file mode 100644 index 000000000000..aa0cdd273040 --- /dev/null +++ b/drivers/media/dvb/frontends/stv0288.h @@ -0,0 +1,65 @@ +/* + Driver for ST STV0288 demodulator + + Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de + for Reel Multimedia + Copyright (C) 2008 TurboSight.com, + Copyright (C) 2008 Igor M. Liplianin + Removed stb6000 specific tuner code and revised some + procedures. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef STV0288_H +#define STV0288_H + +#include +#include "dvb_frontend.h" + +struct stv0288_config { + /* the demodulator's i2c address */ + u8 demod_address; + + /* minimum delay before retuning */ + int min_delay_ms; + + int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); +}; + +#if defined(CONFIG_DVB_STV0288) || (defined(CONFIG_DVB_STV0288_MODULE) && \ + defined(MODULE)) +extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_STV0288 */ + +static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val) +{ + int r = 0; + u8 buf[] = { reg, val }; + if (fe->ops.write) + r = fe->ops.write(fe, buf, 2); + return r; +} + +#endif /* STV0288_H */ diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index 35435bef8e79..6c1cb1973c6e 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -559,6 +559,8 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par int invval = 0; dprintk ("%s : FE_SET_FRONTEND\n", __func__); + if (state->config->set_ts_params) + state->config->set_ts_params(fe, 0); // set the inversion if (p->inversion == INVERSION_OFF) invval = 0; diff --git a/drivers/media/dvb/frontends/stv0299.h b/drivers/media/dvb/frontends/stv0299.h index 3282f43022f5..0fd96e22b650 100644 --- a/drivers/media/dvb/frontends/stv0299.h +++ b/drivers/media/dvb/frontends/stv0299.h @@ -89,15 +89,18 @@ struct stv0299_config int min_delay_ms; /* Set the symbol rate */ - int (*set_symbol_rate)(struct dvb_frontend* fe, u32 srate, u32 ratio); + int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio); + + /* Set device param to start dma */ + int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); }; #if defined(CONFIG_DVB_STV0299) || (defined(CONFIG_DVB_STV0299_MODULE) && defined(MODULE)) -extern struct dvb_frontend* stv0299_attach(const struct stv0299_config* config, - struct i2c_adapter* i2c); +extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config, + struct i2c_adapter *i2c); #else -static inline struct dvb_frontend* stv0299_attach(const struct stv0299_config* config, - struct i2c_adapter* i2c) +static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config, + struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig index 4f65ce3088bf..0b9e5fac6239 100644 --- a/drivers/media/video/cx88/Kconfig +++ b/drivers/media/video/cx88/Kconfig @@ -59,6 +59,9 @@ config VIDEO_CX88_DVB select MEDIA_TUNER_SIMPLE if !DVB_FE_CUSTOMISE select DVB_S5H1411 if !DVB_FE_CUSTOMISE select DVB_CX24116 if !DVB_FE_CUSTOMISE + select DVB_STV0299 if !DVB_FE_CUSTOMISE + select DVB_STV0288 if !DVB_FE_CUSTOMISE + select DVB_STB6000 if !DVB_FE_CUSTOMISE ---help--- This adds support for DVB/ATSC cards based on the Conexant 2388x chip. diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 0203c7579a32..16bb9c35fc76 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1732,6 +1732,18 @@ static const struct cx88_board cx88_boards[] = { } }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_TEVII_S420] = { + .name = "TeVii S420 DVB-S", + .tuner_type = UNSET, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 0, + } }, + .mpeg = CX88_MPEG_DVB, + }, [CX88_BOARD_TEVII_S460] = { .name = "TeVii S460 DVB-S/S2", .tuner_type = UNSET, @@ -2138,7 +2150,11 @@ static const struct cx88_subid cx88_subids[] = { .subdevice = 0x6906, .card = CX88_BOARD_HAUPPAUGE_HVR4000LITE, }, { - .subvendor = 0xD460, + .subvendor = 0xd420, + .subdevice = 0x9022, + .card = CX88_BOARD_TEVII_S420, + }, { + .subvendor = 0xd460, .subdevice = 0x9022, .card = CX88_BOARD_TEVII_S460, }, { @@ -2730,6 +2746,7 @@ static void cx88_card_setup(struct cx88_core *core) cx88_call_i2c_clients(core, TUNER_SET_CONFIG, &tea5767_cfg); break; } + case CX88_BOARD_TEVII_S420: case CX88_BOARD_TEVII_S460: cx_write(MO_SRST_IO, 0); msleep(100); diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index a6c4f66bb161..cd368b512d1f 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -48,6 +48,10 @@ #include "tuner-simple.h" #include "tda9887.h" #include "s5h1411.h" +#include "stv0299.h" +#include "z0194a.h" +#include "stv0288.h" +#include "stb6000.h" #include "cx24116.h" MODULE_DESCRIPTION("driver for cx2388x based DVB cards"); @@ -579,6 +583,25 @@ static struct cx24116_config tevii_s460_config = { .reset_device = cx24116_reset_device, }; +static struct stv0299_config tevii_tuner_sharp_config = { + .demod_address = 0x68, + .inittab = sharp_z0194a__inittab, + .mclk = 88000000UL, + .invert = 1, + .skip_reinit = 0, + .lock_output = 1, + .volt13_op0_op1 = STV0299_VOLT13_OP1, + .min_delay_ms = 100, + .set_symbol_rate = sharp_z0194a__set_symbol_rate, + .set_ts_params = cx24116_set_ts_param, +}; + +static struct stv0288_config tevii_tuner_earda_config = { + .demod_address = 0x68, + .min_delay_ms = 100, + .set_ts_params = cx24116_set_ts_param, +}; + static int dvb_register(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; @@ -949,6 +972,31 @@ static int dvb_register(struct cx8802_dev *dev) 0x08, ISL6421_DCL, 0x00); } break; + case CX88_BOARD_TEVII_S420: + dev->dvb.frontend = dvb_attach(stv0299_attach, + &tevii_tuner_sharp_config, + &core->i2c_adap); + if (dev->dvb.frontend != NULL) { + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60, + &core->i2c_adap, DVB_PLL_OPERA1)) + goto frontend_detach; + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; + + } else { + dev->dvb.frontend = dvb_attach(stv0288_attach, + &tevii_tuner_earda_config, + &core->i2c_adap); + if (dev->dvb.frontend != NULL) { + if (!dvb_attach(stb6000_attach, dev->dvb.frontend, 0x61, + &core->i2c_adap)) + goto frontend_detach; + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; + + } + } + break; case CX88_BOARD_TEVII_S460: dev->dvb.frontend = dvb_attach(cx24116_attach, &tevii_s460_config, diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index fa3a72525d61..e17bd513b584 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -226,6 +226,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_TEVII_S460 70 #define CX88_BOARD_OMICOM_SS4_PCI 71 #define CX88_BOARD_TBS_8920 72 +#define CX88_BOARD_TEVII_S420 73 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From 301e9d64e0bb00c557d9385474cc9d79db0485d9 Mon Sep 17 00:00:00 2001 From: hermann pitton Date: Sun, 14 Sep 2008 17:49:14 -0300 Subject: [PATCH 3930/6244] V4L/DVB (9028): saa7134: add support for the triple Asus Tiger 3in1 after looking it up, all rants about the 80 columns restriction seem to be in vain. After changing the card's name it are now "only" seven new lines in the tiny DVB-T/DVB-S switch function. saa7130/34: v4l2 driver version 0.2.14 loaded saa7133[0]: found at 0000:02:08.0, rev: 209, irq: 18, latency: 32, mmio: 0xfdef7000 saa7133[0]: subsystem: 1043:4878, board: Asus Tiger 3in1 [card=147,autodetected] saa7133[0]: board init: gpio is 200000 tuner' 2-004b: chip found @ 0x96 (saa7133[0]) saa7133[0]: i2c eeprom 00: 43 10 78 48 54 20 1c 00 43 43 a9 1c 55 d2 b2 92 saa7133[0]: i2c eeprom 10: ff ff ff 0f ff 20 ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 20: 01 40 01 02 03 01 01 03 08 ff 00 d7 ff ff ff ff saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 40: ff 28 00 c2 96 16 03 02 c0 1c ff ff ff ff ff ff saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff saa7133[0]: i2c scan: found device @ 0x10 [???] saa7133[0]: i2c scan: found device @ 0x16 [???] saa7133[0]: i2c scan: found device @ 0x1c [???] saa7133[0]: i2c scan: found device @ 0x96 [???] saa7133[0]: i2c scan: found device @ 0xa0 [eeprom] tda829x 2-004b: setting tuner address to 61 tda829x 2-004b: type set to tda8290+75a saa7133[0]: registered device video0 [v4l2] saa7133[0]: registered device vbi0 saa7133[0]: registered device radio0 DVB: registering new adapter (saa7133[0]) DVB: registering frontend 0 (Philips TDA10086 DVB-S)... The board init gpio is 0x0, 0x200000 is from previously unloading with antenna_switch = 1. It needs firmware for the tda10046 and analog sound needs saa7134-alsa. I have support for one more board and need to fix the first revision of the Asus Tiger DVB-T hybrid. DVB-T currently hangs on the male radio antenna input, also some small other stuff. Please report any issues with this patch, the next are depending on this one. saa7134: add support for the triple Asus Tiger 3in1 Signed-off-by: Hermann Pitton Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 3 +- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/video/saa7134/saa7134-cards.c | 44 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-dvb.c | 39 ++++++++++++++++++ drivers/media/video/saa7134/saa7134.h | 1 + 5 files changed, 87 insertions(+), 1 deletion(-) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index 8fea29754107..075650c95fe6 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -68,6 +68,7 @@ 67 -> Kworld PlusTV HD PCI 120 (ATSC 120) [17de:08c1] 68 -> Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid [0070:6900,0070:6904,0070:6902] 69 -> Hauppauge WinTV-HVR4000(Lite) DVB-S/S2 [0070:6905,0070:6906] - 70 -> TeVii S460 DVB-S/S2 [D460:9022] + 70 -> TeVii S460 DVB-S/S2 [d460:9022] 71 -> Omicom SS4 DVB-S/S2 PCI [A044:2011] 72 -> TBS 8920 DVB-S/S2 [8920:8888] + 73 -> TeVii S420 DVB-S [d420:9022] diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 39868af9cf9f..c121f44aefc0 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -145,3 +145,4 @@ 144 -> Beholder BeholdTV M6 Extra [5ace:6193] 145 -> AVerMedia MiniPCI DVB-T Hybrid M103 [1461:f636] 146 -> ASUSTeK P7131 Analog +147 -> Asus Tiger 3in1 [1043:4878] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 98364d171def..3c2f09fb0446 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4409,6 +4409,36 @@ struct saa7134_board saa7134_boards[] = { /* no DVB support for now */ /* .mpeg = SAA7134_MPEG_DVB, */ }, + [SAA7134_BOARD_ASUSTeK_TIGER_3IN1] = { + .name = "Asus Tiger 3in1", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_PHILIPS_TDA8290, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tuner_config = 2, + .gpiomask = 1 << 21, + .mpeg = SAA7134_MPEG_DVB, + .inputs = {{ + .name = name_tv, + .vmux = 1, + .amux = TV, + .tv = 1, + }, { + .name = name_comp, + .vmux = 0, + .amux = LINE2, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE2, + } }, + .radio = { + .name = name_radio, + .amux = TV, + .gpio = 0x0200000, + }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -5431,6 +5461,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .subvendor = 0x1461, /* Avermedia Technologies Inc */ .subdevice = 0xf636, .driver_data = SAA7134_BOARD_AVERMEDIA_M103, + }, { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x1043, + .subdevice = 0x4878, /* REV:1.02G */ + .driver_data = SAA7134_BOARD_ASUSTeK_TIGER_3IN1, }, { /* --- boards without eeprom + subsystem ID --- */ .vendor = PCI_VENDOR_ID_PHILIPS, @@ -6002,6 +6038,14 @@ int saa7134_board_init2(struct saa7134_dev *dev) i2c_transfer(&dev->i2c_adap, &msg, 1); break; } + case SAA7134_BOARD_ASUSTeK_TIGER_3IN1: + { + u8 data[] = { 0x3c, 0x33, 0x60}; + struct i2c_msg msg = {.addr = 0x0b, .flags = 0, .buf = data, + .len = sizeof(data)}; + i2c_transfer(&dev->i2c_adap, &msg, 1); + break; + } case SAA7134_BOARD_FLYDVB_TRIO: { u8 data[] = { 0x3c, 0x33, 0x62}; diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index be48b9b66a67..7fa6ce76642b 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -799,6 +799,20 @@ static struct tda1004x_config twinhan_dtv_dvb_3056_config = { .request_firmware = philips_tda1004x_request_firmware }; +static struct tda1004x_config asus_tiger_3in1_config = { + .demod_address = 0x0b, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_16M, + .agc_config = TDA10046_AGC_TDA827X, + .gpio_config = TDA10046_GP11_I, + .if_freq = TDA10046_FREQ_045, + .i2c_gate = 0x4b, + .tuner_address = 0x61, + .antenna_switch = 1, + .request_firmware = philips_tda1004x_request_firmware +}; + /* ------------------------------------------------------------------ * special case: this card uses saa713x GPIO22 for the mode switch */ @@ -1300,6 +1314,31 @@ static int dvb_init(struct saa7134_dev *dev) &dev->i2c_adap); attach_xc3028 = 1; break; + case SAA7134_BOARD_ASUSTeK_TIGER_3IN1: + if (!use_frontend) { /* terrestrial */ + if (configure_tda827x_fe(dev, &asus_tiger_3in1_config, + &tda827x_cfg_2) < 0) + goto dettach_frontend; + } else { /* satellite */ + dev->dvb.frontend = dvb_attach(tda10086_attach, + &flydvbs, &dev->i2c_adap); + if (dev->dvb.frontend) { + if (dvb_attach(tda826x_attach, + dev->dvb.frontend, 0x60, + &dev->i2c_adap, 0) == NULL) { + wprintk("%s: Asus Tiger 3in1, no " + "tda826x found!\n", __func__); + goto dettach_frontend; + } + if (dvb_attach(lnbp21_attach, dev->dvb.frontend, + &dev->i2c_adap, 0, 0) == NULL) { + wprintk("%s: Asus Tiger 3in1, no lnbp21" + " found!\n", __func__); + goto dettach_frontend; + } + } + } + break; default: wprintk("Huh? unknown DVB card?\n"); break; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 5e7fc731fab1..cbfdac27b69e 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -269,6 +269,7 @@ struct saa7134_format { #define SAA7134_BOARD_BEHOLD_M6_EXTRA 144 #define SAA7134_BOARD_AVERMEDIA_M103 145 #define SAA7134_BOARD_ASUSTeK_P7131_ANALOG 146 +#define SAA7134_BOARD_ASUSTeK_TIGER_3IN1 147 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 -- GitLab From 80845e1078463913f8b456e45f1fae886687c363 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 15 Sep 2008 22:19:46 -0300 Subject: [PATCH 3931/6244] V4L/DVB (9030): uvcvideo : Add support for Advent 4211 integrated webcam Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_driver.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 4ab4d1ebb227..fee85a2465c8 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1939,6 +1939,15 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_PROBE_MINMAX }, + /* Advent 4211 - Bison Electronics */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x0203, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_PROBE_MINMAX }, /* Bison Electronics */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, -- GitLab From d63beb9ef004ff9587b3c466361276254d57d7a7 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 15 Sep 2008 22:24:29 -0300 Subject: [PATCH 3932/6244] V4L/DVB (9031): uvcvideo: Fix incomplete frame drop when switching to a variable size format. When streaming in a fixed size format the driver sets a flag in the uvc_queue structure to drop incomplete incoming frames. The flag wasn't cleared when switching to a variable size format, which resulted in a broken 'MJPEG after YUV'. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_v4l2.c | 4 ---- drivers/media/video/uvc/uvc_video.c | 5 +++++ 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index d4758c8e13ad..78e4c4e09d89 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -842,10 +842,6 @@ static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file, if (ret < 0) return ret; - if (!(video->streaming->cur_format->flags & - UVC_FMT_FLAG_COMPRESSED)) - video->queue.flags |= UVC_QUEUE_DROP_INCOMPLETE; - rb->count = ret; ret = 0; break; diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 593aebffe57d..b7bb23820d80 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -971,6 +971,11 @@ int uvc_video_enable(struct uvc_video_device *video, int enable) return 0; } + if (video->streaming->cur_format->flags & UVC_FMT_FLAG_COMPRESSED) + video->queue.flags &= ~UVC_QUEUE_DROP_INCOMPLETE; + else + video->queue.flags |= UVC_QUEUE_DROP_INCOMPLETE; + if ((ret = uvc_queue_enable(&video->queue, 1)) < 0) return ret; -- GitLab From a31a4055473bf0a7b2b06cb2262347200d0711e1 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Tue, 16 Sep 2008 03:32:20 -0300 Subject: [PATCH 3933/6244] V4L/DVB:usbvideo:don't use part of buffer for USB transfer #4 The status[] is part of uvc_device structure. We can't make sure the address of status is at a cache-line boundary in all archs,so status[] might share a cache-line with some fields in uvc_structure. This can lead to some cache coherence issues(http://lwn.net/Articles/2265/). Use dynamically allocated buffer instead. Signed-off-by: Ming Lei Acked-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_status.c | 11 +++++++++-- drivers/media/video/uvc/uvcvideo.h | 4 +++- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c index 75e678ac54eb..5d60b264d59a 100644 --- a/drivers/media/video/uvc/uvc_status.c +++ b/drivers/media/video/uvc/uvc_status.c @@ -177,9 +177,15 @@ int uvc_status_init(struct uvc_device *dev) uvc_input_init(dev); + dev->status = kzalloc(UVC_MAX_STATUS_SIZE, GFP_KERNEL); + if (dev->status == NULL) + return -ENOMEM; + dev->int_urb = usb_alloc_urb(0, GFP_KERNEL); - if (dev->int_urb == NULL) + if (dev->int_urb == NULL) { + kfree(dev->status); return -ENOMEM; + } pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress); @@ -192,7 +198,7 @@ int uvc_status_init(struct uvc_device *dev) interval = fls(interval) - 1; usb_fill_int_urb(dev->int_urb, dev->udev, pipe, - dev->status, sizeof dev->status, uvc_status_complete, + dev->status, UVC_MAX_STATUS_SIZE, uvc_status_complete, dev, interval); return usb_submit_urb(dev->int_urb, GFP_KERNEL); @@ -202,6 +208,7 @@ void uvc_status_cleanup(struct uvc_device *dev) { usb_kill_urb(dev->int_urb); usb_free_urb(dev->int_urb); + kfree(dev->status); uvc_input_cleanup(dev); } diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index bafe3406e305..9a6bc1aafb16 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -303,6 +303,8 @@ struct uvc_xu_control { #define UVC_MAX_FRAME_SIZE (16*1024*1024) /* Maximum number of video buffers. */ #define UVC_MAX_VIDEO_BUFFERS 32 +/* Maximum status buffer size in bytes of interrupt URB. */ +#define UVC_MAX_STATUS_SIZE 16 #define UVC_CTRL_CONTROL_TIMEOUT 300 #define UVC_CTRL_STREAMING_TIMEOUT 1000 @@ -634,7 +636,7 @@ struct uvc_device { /* Status Interrupt Endpoint */ struct usb_host_endpoint *int_ep; struct urb *int_urb; - __u8 status[16]; + __u8 *status; struct input_dev *input; /* Video Streaming interfaces */ -- GitLab From 714b9a1e0ae3224728d1d96d77150ceea7487a61 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 18 Sep 2008 23:26:35 -0300 Subject: [PATCH 3934/6244] V4L/DVB (9033): drivers/media/video/tda9840.c: unbreak drivers/media/video/tda9840.c: In function 'tda9840_command': drivers/media/video/tda9840.c:152: warning: 'result' is used uninitialized in this function [mchehab@redhat.com: Fix conflict with another patch that were meant to solve the warning] Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tda9840.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index 77bfd24ecfae..1c391f0328fd 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -71,7 +71,6 @@ static void tda9840_write(struct i2c_client *client, u8 reg, u8 val) static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) { - int result = 0; int byte = *(int *)arg; switch (cmd) { @@ -176,9 +175,6 @@ static int tda9840_command(struct i2c_client *client, unsigned cmd, void *arg) return -ENOIOCTLCMD; } - if (result) - return -EIO; - return 0; } -- GitLab From 4aaec3ea41addf6fe4fe029aa535f3c019ee0e6d Mon Sep 17 00:00:00 2001 From: David Ellingsworth Date: Sun, 21 Sep 2008 04:12:03 -0300 Subject: [PATCH 3935/6244] V4L/DVB (9034): With the recent patch to v4l2 titled "v4l2: use register_chrdev_region instead of register_chrdev", the internal reference count is no longer necessary in order to free the internal stk_webcam struct. This patch removes the reference counter from the stk_webcam struct and frees the struct via the video_device release callback. It also fixes an associated bug in stk_camera_probe which could result from video_unregister_device being called before video_register_device. Lastly, it simplifies access to the stk_webcam struct in several places. This patch should apply cleanly against the "working" branch of the v4l-dvb git repository. This patch is identical to the patch I sent a couple of months back titled "stk-webcam: Fix video_device handling" except that it has been rebased against current modifications to stk-webcam and it no longer depends on any other outstanding patches. Acked-by: Jaime Velasco Juan Signed-off-by: David Ellingsworth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/stk-webcam.c | 84 +++++++++----------------------- drivers/media/video/stk-webcam.h | 2 - 2 files changed, 23 insertions(+), 63 deletions(-) diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c index 8dda5680094d..db69bc5556d6 100644 --- a/drivers/media/video/stk-webcam.c +++ b/drivers/media/video/stk-webcam.c @@ -65,22 +65,6 @@ static struct usb_device_id stkwebcam_table[] = { }; MODULE_DEVICE_TABLE(usb, stkwebcam_table); -static void stk_camera_cleanup(struct kref *kref) -{ - struct stk_camera *dev = to_stk_camera(kref); - - STK_INFO("Syntek USB2.0 Camera release resources" - " video device /dev/video%d\n", dev->vdev.minor); - video_unregister_device(&dev->vdev); - video_set_drvdata(&dev->vdev, NULL); - - if (dev->sio_bufs != NULL || dev->isobufs != NULL) - STK_ERROR("We are leaking memory\n"); - usb_put_intf(dev->interface); - kfree(dev); -} - - /* * Basic stuff */ @@ -694,8 +678,7 @@ static int v4l_stk_open(struct inode *inode, struct file *fp) unlock_kernel(); return -ENXIO; } - fp->private_data = vdev; - kref_get(&dev->kref); + fp->private_data = dev; usb_autopm_get_interface(dev->interface); unlock_kernel(); @@ -704,23 +687,10 @@ static int v4l_stk_open(struct inode *inode, struct file *fp) static int v4l_stk_release(struct inode *inode, struct file *fp) { - struct stk_camera *dev; - struct video_device *vdev; - - vdev = video_devdata(fp); - if (vdev == NULL) { - STK_ERROR("v4l_release called w/o video devdata\n"); - return -EFAULT; - } - dev = vdev_to_camera(vdev); - if (dev == NULL) { - STK_ERROR("v4l_release called on removed device\n"); - return -ENODEV; - } + struct stk_camera *dev = fp->private_data; if (dev->owner != fp) { usb_autopm_put_interface(dev->interface); - kref_put(&dev->kref, stk_camera_cleanup); return 0; } @@ -731,7 +701,6 @@ static int v4l_stk_release(struct inode *inode, struct file *fp) dev->owner = NULL; usb_autopm_put_interface(dev->interface); - kref_put(&dev->kref, stk_camera_cleanup); return 0; } @@ -742,14 +711,8 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf, int i; int ret; unsigned long flags; - struct stk_camera *dev; - struct video_device *vdev; struct stk_sio_buffer *sbuf; - - vdev = video_devdata(fp); - if (vdev == NULL) - return -EFAULT; - dev = vdev_to_camera(vdev); + struct stk_camera *dev = fp->private_data; if (dev == NULL) return -EIO; @@ -808,15 +771,8 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf, static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait) { - struct stk_camera *dev; - struct video_device *vdev; - - vdev = video_devdata(fp); - - if (vdev == NULL) - return -EFAULT; + struct stk_camera *dev = fp->private_data; - dev = vdev_to_camera(vdev); if (dev == NULL) return -ENODEV; @@ -854,16 +810,12 @@ static int v4l_stk_mmap(struct file *fp, struct vm_area_struct *vma) unsigned int i; int ret; unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - struct stk_camera *dev; - struct video_device *vdev; + struct stk_camera *dev = fp->private_data; struct stk_sio_buffer *sbuf = NULL; if (!(vma->vm_flags & VM_WRITE) || !(vma->vm_flags & VM_SHARED)) return -EINVAL; - vdev = video_devdata(fp); - dev = vdev_to_camera(vdev); - for (i = 0; i < dev->n_sbufs; i++) { if (dev->sio_bufs[i].v4lbuf.m.offset == offset) { sbuf = dev->sio_bufs + i; @@ -1359,6 +1311,12 @@ static const struct v4l2_ioctl_ops v4l_stk_ioctl_ops = { static void stk_v4l_dev_release(struct video_device *vd) { + struct stk_camera *dev = vdev_to_camera(vd); + + if (dev->sio_bufs != NULL || dev->isobufs != NULL) + STK_ERROR("We are leaking memory\n"); + usb_put_intf(dev->interface); + kfree(dev); } static struct video_device stk_v4l_data = { @@ -1379,7 +1337,6 @@ static int stk_register_video_device(struct stk_camera *dev) dev->vdev = stk_v4l_data; dev->vdev.debug = debug; dev->vdev.parent = &dev->interface->dev; - video_set_drvdata(&dev->vdev, dev); err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1); if (err) STK_ERROR("v4l registration failed\n"); @@ -1396,7 +1353,7 @@ static int stk_camera_probe(struct usb_interface *interface, const struct usb_device_id *id) { int i; - int err; + int err = 0; struct stk_camera *dev = NULL; struct usb_device *udev = interface_to_usbdev(interface); @@ -1409,7 +1366,6 @@ static int stk_camera_probe(struct usb_interface *interface, return -ENOMEM; } - kref_init(&dev->kref); spin_lock_init(&dev->spinlock); init_waitqueue_head(&dev->wait_frame); @@ -1442,8 +1398,8 @@ static int stk_camera_probe(struct usb_interface *interface, } if (!dev->isoc_ep) { STK_ERROR("Could not find isoc-in endpoint"); - kref_put(&dev->kref, stk_camera_cleanup); - return -ENODEV; + err = -ENODEV; + goto error; } dev->vsettings.brightness = 0x7fff; dev->vsettings.palette = V4L2_PIX_FMT_RGB565; @@ -1457,14 +1413,17 @@ static int stk_camera_probe(struct usb_interface *interface, err = stk_register_video_device(dev); if (err) { - kref_put(&dev->kref, stk_camera_cleanup); - return err; + goto error; } stk_create_sysfs_files(&dev->vdev); usb_autopm_enable(dev->interface); return 0; + +error: + kfree(dev); + return err; } static void stk_camera_disconnect(struct usb_interface *interface) @@ -1477,7 +1436,10 @@ static void stk_camera_disconnect(struct usb_interface *interface) wake_up_interruptible(&dev->wait_frame); stk_remove_sysfs_files(&dev->vdev); - kref_put(&dev->kref, stk_camera_cleanup); + STK_INFO("Syntek USB2.0 Camera release resources" + "video device /dev/video%d\n", dev->vdev.minor); + + video_unregister_device(&dev->vdev); } #ifdef CONFIG_PM diff --git a/drivers/media/video/stk-webcam.h b/drivers/media/video/stk-webcam.h index df4dfefc5327..084a85bdd16e 100644 --- a/drivers/media/video/stk-webcam.h +++ b/drivers/media/video/stk-webcam.h @@ -99,7 +99,6 @@ struct stk_camera { u8 isoc_ep; - struct kref kref; /* Not sure if this is right */ atomic_t urbs_used; @@ -121,7 +120,6 @@ struct stk_camera { unsigned sequence; }; -#define to_stk_camera(d) container_of(d, struct stk_camera, kref) #define vdev_to_camera(d) container_of(d, struct stk_camera, vdev) void stk_camera_delete(struct kref *); -- GitLab From 5e26d50f4e6b9c42bbfbaa452722797ece929cda Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 22 Sep 2008 13:14:59 -0300 Subject: [PATCH 3936/6244] V4L/DVB (9035): uvcvideo: Declare missing camera and processing unit controls. This declares all missing UVC camera and processing unit controls. V4L2 mappings are not supported yet for those controls. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_ctrl.c | 164 +++++++++++++++++++++++++---- 1 file changed, 145 insertions(+), 19 deletions(-) diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index feab12aa2c7b..088437a5f60c 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -81,6 +81,22 @@ static struct uvc_control_info uvc_ctrls[] = { .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE | UVC_CONTROL_RESTORE, }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL, + .index = 6, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL, + .index = 7, + .size = 4, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, { .entity = UVC_GUID_UVC_PROCESSING, .selector = PU_BACKLIGHT_COMPENSATION_CONTROL, @@ -113,6 +129,60 @@ static struct uvc_control_info uvc_ctrls[] = { .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL, + .index = 12, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL, + .index = 13, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_DIGITAL_MULTIPLIER_CONTROL, + .index = 14, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL, + .index = 15, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_ANALOG_VIDEO_STANDARD_CONTROL, + .index = 16, + .size = 1, + .flags = UVC_CONTROL_GET_CUR, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_ANALOG_LOCK_STATUS_CONTROL, + .index = 17, + .size = 1, + .flags = UVC_CONTROL_GET_CUR, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_SCANNING_MODE_CONTROL, + .index = 0, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_RESTORE, + }, { .entity = UVC_GUID_UVC_CAMERA, .selector = CT_AE_MODE_CONTROL, @@ -138,6 +208,14 @@ static struct uvc_control_info uvc_ctrls[] = { .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE | UVC_CONTROL_RESTORE, }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_EXPOSURE_TIME_RELATIVE_CONTROL, + .index = 4, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_RESTORE, + }, { .entity = UVC_GUID_UVC_CAMERA, .selector = CT_FOCUS_ABSOLUTE_CONTROL, @@ -148,42 +226,90 @@ static struct uvc_control_info uvc_ctrls[] = { }, { .entity = UVC_GUID_UVC_CAMERA, - .selector = CT_FOCUS_AUTO_CONTROL, - .index = 17, - .size = 1, - .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR - | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + .selector = CT_FOCUS_RELATIVE_CONTROL, + .index = 6, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL, - .index = 12, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_IRIS_ABSOLUTE_CONTROL, + .index = 7, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_IRIS_RELATIVE_CONTROL, + .index = 8, .size = 1, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR - | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL, - .index = 6, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ZOOM_ABSOLUTE_CONTROL, + .index = 9, .size = 2, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ZOOM_RELATIVE_CONTROL, + .index = 10, + .size = 3, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PANTILT_ABSOLUTE_CONTROL, + .index = 11, + .size = 8, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PANTILT_RELATIVE_CONTROL, + .index = 12, + .size = 4, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ROLL_ABSOLUTE_CONTROL, .index = 13, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ROLL_RELATIVE_CONTROL, + .index = 14, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_FOCUS_AUTO_CONTROL, + .index = 17, .size = 1, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL, - .index = 7, - .size = 4, - .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PRIVACY_CONTROL, + .index = 18, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, }, }; -- GitLab From b1accfa15533fdd40280aae3102e9599e63a7c10 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sat, 27 Sep 2008 20:54:02 -0300 Subject: [PATCH 3937/6244] V4L/DVB (9036): uvcvideo: Fix control cache access when setting composite auto-update controls Auto-update controls are never marked is loaded to prevent uvc_get_ctrl from loading the control value from the cache. When setting a composite (mapped to several V4L2 controls) auto-update UVC control, the driver updates the control cache value before processing each V4L2 control, overwriting the previously set V4L2 control. This fixes the problem by marking all controls as loaded in uvc_set_ctrl regardless of their type and resetting the loaded flag in uvc_commit_ctrl for auto-update controls. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_ctrl.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 088437a5f60c..f16aafe9cf14 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -837,7 +837,17 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev, for (i = 0; i < entity->ncontrols; ++i) { ctrl = &entity->controls[i]; - if (ctrl->info == NULL || !ctrl->dirty) + if (ctrl->info == NULL) + continue; + + /* Reset the loaded flag for auto-update controls that were + * marked as loaded in uvc_ctrl_get/uvc_ctrl_set to prevent + * uvc_ctrl_get from using the cached value. + */ + if (ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) + ctrl->loaded = 0; + + if (!ctrl->dirty) continue; if (!rollback) @@ -853,9 +863,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP), ctrl->info->size); - if ((ctrl->info->flags & UVC_CONTROL_GET_CUR) == 0) - ctrl->loaded = 0; - ctrl->dirty = 0; if (ret < 0) @@ -913,8 +920,7 @@ int uvc_ctrl_get(struct uvc_video_device *video, if (ret < 0) return ret; - if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0) - ctrl->loaded = 1; + ctrl->loaded = 1; } xctrl->value = uvc_get_le_value( @@ -965,8 +971,7 @@ int uvc_ctrl_set(struct uvc_video_device *video, return ret; } - if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0) - ctrl->loaded = 1; + ctrl->loaded = 1; } if (!ctrl->dirty) { -- GitLab From 17a370bcca661a849c9af07feae86f42d0c6dfd1 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Sat, 6 Sep 2008 13:42:47 -0300 Subject: [PATCH 3938/6244] V4L/DVB (9038): Add support for the Gigabyte R8000-HT USB DVB-T adapter. Thanks to Ilia Penev for the tip-off that this device is much the same as (identical to?) a Terratec Cinergy HT USB XE, and for the firmware hints: http://linuxtv.org/pipermail/linux-dvb/2008-August/028108.html DVB functionality tested OK with xine using the usual dib0700 firmware. This diff is based on the latest latest linuxtv.org v4l-dvb mercurial repo. Signed-off-by: Finn Thain Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 7 ++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 6c0e5c5f4362..110d9344bc92 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1119,6 +1119,7 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_STK7700P_2) }, /* 35 */{ USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_TD_STICK_52009) }, { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500_3) }, + { USB_DEVICE(USB_VID_GIGABYTE, USB_PID_GIGABYTE_U8000) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1408,7 +1409,7 @@ struct dvb_usb_device_properties dib0700_devices[] = { }, }, - .num_device_descs = 3, + .num_device_descs = 4, .devices = { { "Terratec Cinergy HT USB XE", { &dib0700_usb_id_table[27], NULL }, @@ -1422,6 +1423,10 @@ struct dvb_usb_device_properties dib0700_devices[] = { { &dib0700_usb_id_table[32], NULL }, { NULL }, }, + { "Gigabyte U8000-RH", + { &dib0700_usb_id_table[37], NULL }, + { NULL }, + }, }, .rc_interval = DEFAULT_RC_INTERVAL, .rc_key_map = dib0700_rc_keys, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 7ae262e08f8f..e60e87315548 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -221,6 +221,7 @@ #define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD 0x0514 #define USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM 0x0513 #define USB_PID_GIGABYTE_U7000 0x7001 +#define USB_PID_GIGABYTE_U8000 0x7002 #define USB_PID_ASUS_U3000 0x171f #define USB_PID_ASUS_U3100 0x173f #define USB_PID_YUAN_EC372S 0x1edc -- GitLab From bdc203e156ce938e12d957912bd29ca53d160540 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Sat, 6 Sep 2008 13:45:27 -0300 Subject: [PATCH 3939/6244] V4L/DVB (9039): Add support for new i2c API provided in firmware version 1.20 The Pinnacle PCTV HD Pro has an xc5000, which exposed a bug in the dib0700's i2c implementation where it did not properly support a single i2c read request (sending it as an i2c write request instead). Version 1.20 of the firmware added support for a new i2c API which supported such requests. This change defaults to fw 1.20 for all devices, but does not default to using the new i2c API (since initial testing suggests problems interacting with the mt2060). Maintainers can enable the use of the new i2c API by putting the following into their frontend initialization: struct dib0700_state *st = adap->dev->priv; st->fw_use_new_i2c_api = 1; Also note that the code expects i2c repeated start to be supported. If the i2c slave does not support repeated start, i2c messsages should have the I2C_M_NOSTART flag set. Thanks to Patrick Boettcher for providing new firmware fixing the issue as well as example i2c code utilizing the interface. Signed-off-by: Devin Heitmueller Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700.h | 3 + drivers/media/dvb/dvb-usb/dib0700_core.c | 108 +++++++++++++++++++- drivers/media/dvb/dvb-usb/dib0700_devices.c | 2 +- 3 files changed, 110 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700.h b/drivers/media/dvb/dvb-usb/dib0700.h index 66d4dc6ba46f..cc0c51d82f2c 100644 --- a/drivers/media/dvb/dvb-usb/dib0700.h +++ b/drivers/media/dvb/dvb-usb/dib0700.h @@ -31,6 +31,8 @@ extern int dvb_usb_dib0700_debug; // 2 Byte: MPEG2 mode: 4MSB(1 = Master Mode, 0 = Slave Mode) 4LSB(Channel 1 = bit0, Channel 2 = bit1) // 2 Byte: Analog mode: 4MSB(0 = 625 lines, 1 = 525 lines) 4LSB( " " ) #define REQUEST_SET_RC 0x11 +#define REQUEST_NEW_I2C_READ 0x12 +#define REQUEST_NEW_I2C_WRITE 0x13 #define REQUEST_GET_VERSION 0x15 struct dib0700_state { @@ -39,6 +41,7 @@ struct dib0700_state { u8 rc_toggle; u8 rc_counter; u8 is_dib7000pc; + u8 fw_use_new_i2c_api; }; extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val); diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c index 595a04696c87..4daac8642006 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_core.c +++ b/drivers/media/dvb/dvb-usb/dib0700_core.c @@ -82,9 +82,98 @@ int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_ } /* - * I2C master xfer function + * I2C master xfer function (supported in 1.20 firmware) */ -static int dib0700_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg *msg,int num) +static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, + int num) +{ + /* The new i2c firmware messages are more reliable and in particular + properly support i2c read calls not preceded by a write */ + + struct dvb_usb_device *d = i2c_get_adapdata(adap); + uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */ + uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */ + uint8_t en_start = 0; + uint8_t en_stop = 0; + uint8_t buf[255]; /* TBV: malloc ? */ + int result, i; + + /* Ensure nobody else hits the i2c bus while we're sending our + sequence of messages, (such as the remote control thread) */ + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + for (i = 0; i < num; i++) { + if (i == 0) { + /* First message in the transaction */ + en_start = 1; + } else if (!(msg[i].flags & I2C_M_NOSTART)) { + /* Device supports repeated-start */ + en_start = 1; + } else { + /* Not the first packet and device doesn't support + repeated start */ + en_start = 0; + } + if (i == (num - 1)) { + /* Last message in the transaction */ + en_stop = 1; + } + + if (msg[i].flags & I2C_M_RD) { + /* Read request */ + u16 index, value; + uint8_t i2c_dest; + + i2c_dest = (msg[i].addr << 1); + value = ((en_start << 7) | (en_stop << 6) | + (msg[i].len & 0x3F)) << 8 | i2c_dest; + /* I2C ctrl + FE bus; */ + index = ((gen_mode<<6)&0xC0) | ((bus_mode<<4)&0x30); + + result = usb_control_msg(d->udev, + usb_rcvctrlpipe(d->udev, 0), + REQUEST_NEW_I2C_READ, + USB_TYPE_VENDOR | USB_DIR_IN, + value, index, msg[i].buf, + msg[i].len, + USB_CTRL_GET_TIMEOUT); + if (result < 0) { + err("i2c read error (status = %d)\n", result); + break; + } + } else { + /* Write request */ + buf[0] = REQUEST_NEW_I2C_WRITE; + buf[1] = (msg[i].addr << 1); + buf[2] = (en_start << 7) | (en_stop << 6) | + (msg[i].len & 0x3F); + /* I2C ctrl + FE bus; */ + buf[3] = ((gen_mode<<6)&0xC0) | ((bus_mode<<4)&0x30); + /* The Actual i2c payload */ + memcpy(&buf[4], msg[i].buf, msg[i].len); + + result = usb_control_msg(d->udev, + usb_sndctrlpipe(d->udev, 0), + REQUEST_NEW_I2C_WRITE, + USB_TYPE_VENDOR | USB_DIR_OUT, + 0, 0, buf, msg[i].len + 4, + USB_CTRL_GET_TIMEOUT); + if (result < 0) { + err("i2c write error (status = %d)\n", result); + break; + } + } + } + mutex_unlock(&d->i2c_mutex); + return i; +} + +/* + * I2C master xfer function (pre-1.20 firmware) + */ +static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, + struct i2c_msg *msg, int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int i,len; @@ -124,6 +213,21 @@ static int dib0700_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg *msg,int num return i; } +static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, + int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + struct dib0700_state *st = d->priv; + + if (st->fw_use_new_i2c_api == 1) { + /* User running at least fw 1.20 */ + return dib0700_i2c_xfer_new(adap, msg, num); + } else { + /* Use legacy calls */ + return dib0700_i2c_xfer_legacy(adap, msg, num); + } +} + static u32 dib0700_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 110d9344bc92..2555e53b31dd 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1127,7 +1127,7 @@ MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); #define DIB0700_DEFAULT_DEVICE_PROPERTIES \ .caps = DVB_USB_IS_AN_I2C_ADAPTER, \ .usb_ctrl = DEVICE_SPECIFIC, \ - .firmware = "dvb-usb-dib0700-1.10.fw", \ + .firmware = "dvb-usb-dib0700-1.20.fw", \ .download_firmware = dib0700_download_firmware, \ .no_reconnect = 1, \ .size_of_priv = sizeof(struct dib0700_state), \ -- GitLab From 4d2858c65bbd9a98d109b3548b4742d7fd74dcb0 Mon Sep 17 00:00:00 2001 From: Peter Beutner Date: Sat, 6 Sep 2008 13:54:06 -0300 Subject: [PATCH 3940/6244] V4L/DVB (9040): TTUSB-DEC DVB-S: claim to have lock As reported by BOUWSMA Barry the readout of the signal status doesn't work on dec3000-s models. Since we don't know how to do it better, revert back to the old behaviour and always report a signal lock. Reported by Barry Bouwsma Signed-off-by: Peter Beutner Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttusb-dec/ttusbdecfe.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c index 443af24097f3..21260aad1e54 100644 --- a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c +++ b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c @@ -38,7 +38,17 @@ struct ttusbdecfe_state { }; -static int ttusbdecfe_read_status(struct dvb_frontend* fe, fe_status_t* status) +static int ttusbdecfe_dvbs_read_status(struct dvb_frontend *fe, + fe_status_t *status) +{ + *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | + FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK; + return 0; +} + + +static int ttusbdecfe_dvbt_read_status(struct dvb_frontend *fe, + fe_status_t *status) { struct ttusbdecfe_state* state = fe->demodulator_priv; u8 b[] = { 0x00, 0x00, 0x00, 0x00, @@ -251,7 +261,7 @@ static struct dvb_frontend_ops ttusbdecfe_dvbt_ops = { .get_tune_settings = ttusbdecfe_dvbt_get_tune_settings, - .read_status = ttusbdecfe_read_status, + .read_status = ttusbdecfe_dvbt_read_status, }; static struct dvb_frontend_ops ttusbdecfe_dvbs_ops = { @@ -273,7 +283,7 @@ static struct dvb_frontend_ops ttusbdecfe_dvbs_ops = { .set_frontend = ttusbdecfe_dvbs_set_frontend, - .read_status = ttusbdecfe_read_status, + .read_status = ttusbdecfe_dvbs_read_status, .diseqc_send_master_cmd = ttusbdecfe_dvbs_diseqc_send_master_cmd, .set_voltage = ttusbdecfe_dvbs_set_voltage, -- GitLab From 8751aaa6c8be191171cd8c7db01a9b4e01892b08 Mon Sep 17 00:00:00 2001 From: Daniel Oliveira Nascimento Date: Sun, 7 Sep 2008 12:39:44 -0300 Subject: [PATCH 3941/6244] V4L/DVB (9041): Add support YUAN High-Tech STK7700D (1164:1f08) This patch extends the dib0700 driver to support the DVB-part of the Asus notebook M51Sn tv-tunner (USB-ID 1164:1f08). Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 7 ++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 2555e53b31dd..a5e970ecab2c 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1120,6 +1120,7 @@ struct usb_device_id dib0700_usb_id_table[] = { /* 35 */{ USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_TD_STICK_52009) }, { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500_3) }, { USB_DEVICE(USB_VID_GIGABYTE, USB_PID_GIGABYTE_U8000) }, + { USB_DEVICE(USB_VID_YUAN, USB_PID_YUAN_STK7700PH) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1409,7 +1410,7 @@ struct dvb_usb_device_properties dib0700_devices[] = { }, }, - .num_device_descs = 4, + .num_device_descs = 5, .devices = { { "Terratec Cinergy HT USB XE", { &dib0700_usb_id_table[27], NULL }, @@ -1427,6 +1428,10 @@ struct dvb_usb_device_properties dib0700_devices[] = { { &dib0700_usb_id_table[37], NULL }, { NULL }, }, + { "YUAN High-Tech STK7700PH", + { &dib0700_usb_id_table[38], NULL }, + { NULL }, + }, }, .rc_interval = DEFAULT_RC_INTERVAL, .rc_key_map = dib0700_rc_keys, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index e60e87315548..7bf5a1cdb49c 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -225,6 +225,7 @@ #define USB_PID_ASUS_U3000 0x171f #define USB_PID_ASUS_U3100 0x173f #define USB_PID_YUAN_EC372S 0x1edc +#define USB_PID_YUAN_STK7700PH 0x1f08 #define USB_PID_DW2102 0x2102 #define USB_PID_XTENSIONS_XD_380 0x0381 #define USB_PID_TELESTAR_STARSTICK_2 0x8000 -- GitLab From 5769743ad345881911cee4e73ddf6120b00ed3eb Mon Sep 17 00:00:00 2001 From: Albert Comerma Date: Sun, 7 Sep 2008 12:43:33 -0300 Subject: [PATCH 3942/6244] V4L/DVB (9042): Add support for Asus My Cinema U3000 Hybrid This patch introduces support for dvb-t for the following dibcom based cards: Asus My Cinema U3000 Hybrid (USB-ID: 0b05:1736) Signed-off-by: Albert Comerma Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 5 +++++ drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index a5e970ecab2c..d08cd4562097 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1121,6 +1121,7 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500_3) }, { USB_DEVICE(USB_VID_GIGABYTE, USB_PID_GIGABYTE_U8000) }, { USB_DEVICE(USB_VID_YUAN, USB_PID_YUAN_STK7700PH) }, + { USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3000H) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1432,6 +1433,10 @@ struct dvb_usb_device_properties dib0700_devices[] = { { &dib0700_usb_id_table[38], NULL }, { NULL }, }, + { "Asus My Cinema-U3000Hybrid", + { &dib0700_usb_id_table[39], NULL }, + { NULL }, + }, }, .rc_interval = DEFAULT_RC_INTERVAL, .rc_key_map = dib0700_rc_keys, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 7bf5a1cdb49c..8926db2fc489 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -223,6 +223,7 @@ #define USB_PID_GIGABYTE_U7000 0x7001 #define USB_PID_GIGABYTE_U8000 0x7002 #define USB_PID_ASUS_U3000 0x171f +#define USB_PID_ASUS_U3000H 0x1736 #define USB_PID_ASUS_U3100 0x173f #define USB_PID_YUAN_EC372S 0x1edc #define USB_PID_YUAN_STK7700PH 0x1f08 -- GitLab From cb22cb5213192d2c0baaeec0ae4961e268916419 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Mon, 8 Sep 2008 05:42:42 -0300 Subject: [PATCH 3943/6244] V4L/DVB (9044): Add support for Pinnacle PCTV HD Pro 801e (ATSC only) Add digital support for the Pinnacle PCTV HD Pro 801e (usb id 2304:023a) Thanks to Patrick Boettcher for providing new firmware fixing the issue with the i2c that prevented the xc5000 from working. Signed-off-by: Devin Heitmueller Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700.h | 1 + drivers/media/dvb/dvb-usb/dib0700_core.c | 7 +- drivers/media/dvb/dvb-usb/dib0700_devices.c | 111 ++++++++++++++++++++ drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 4 files changed, 119 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700.h b/drivers/media/dvb/dvb-usb/dib0700.h index cc0c51d82f2c..739193943c17 100644 --- a/drivers/media/dvb/dvb-usb/dib0700.h +++ b/drivers/media/dvb/dvb-usb/dib0700.h @@ -42,6 +42,7 @@ struct dib0700_state { u8 rc_counter; u8 is_dib7000pc; u8 fw_use_new_i2c_api; + u8 disable_streaming_master_mode; }; extern int dib0700_set_gpio(struct dvb_usb_device *, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val); diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c index 4daac8642006..dd53cee3896d 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_core.c +++ b/drivers/media/dvb/dvb-usb/dib0700_core.c @@ -350,7 +350,12 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) b[0] = REQUEST_ENABLE_VIDEO; b[1] = (onoff << 4) | 0x00; /* this bit gives a kind of command, rather than enabling something or not */ - b[2] = (0x01 << 4); /* Master mode */ + + if (st->disable_streaming_master_mode == 1) + b[2] = 0x00; + else + b[2] = (0x01 << 4); /* Master mode */ + b[3] = 0x00; deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index d08cd4562097..7d9efd702129 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -14,6 +14,8 @@ #include "mt2060.h" #include "mt2266.h" #include "tuner-xc2028.h" +#include "xc5000.h" +#include "s5h1411.h" #include "dib0070.h" static int force_lna_activation; @@ -1078,6 +1080,89 @@ static int stk7070pd_frontend_attach1(struct dvb_usb_adapter *adap) return adap->fe == NULL ? -ENODEV : 0; } +/* S5H1411 */ +static struct s5h1411_config pinnacle_801e_config = { + .output_mode = S5H1411_PARALLEL_OUTPUT, + .gpio = S5H1411_GPIO_OFF, + .mpeg_timing = S5H1411_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK, + .qam_if = S5H1411_IF_44000, + .vsb_if = S5H1411_IF_44000, + .inversion = S5H1411_INVERSION_OFF, + .status_mode = S5H1411_DEMODLOCKING +}; + +/* Pinnacle PCTV HD Pro 801e GPIOs map: + GPIO0 - currently unknown + GPIO1 - xc5000 tuner reset + GPIO2 - CX25843 sleep + GPIO3 - currently unknown + GPIO4 - currently unknown + GPIO6 - currently unknown + GPIO7 - currently unknown + GPIO9 - currently unknown + GPIO10 - CX25843 reset + */ +static int s5h1411_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct dib0700_state *st = adap->dev->priv; + + /* Make use of the new i2c functions from FW 1.20 */ + st->fw_use_new_i2c_api = 1; + + /* The s5h1411 requires the dib0700 to not be in master mode */ + st->disable_streaming_master_mode = 1; + + /* All msleep values taken from Windows USB trace */ + dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 0); + dib0700_set_gpio(adap->dev, GPIO3, GPIO_OUT, 0); + dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); + msleep(400); + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); + msleep(60); + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); + msleep(30); + dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO4, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO7, GPIO_OUT, 1); + dib0700_set_gpio(adap->dev, GPIO2, GPIO_OUT, 0); + msleep(30); + + /* Put the CX25843 to sleep for now since we're in digital mode */ + dib0700_set_gpio(adap->dev, GPIO2, GPIO_OUT, 1); + + /* GPIOs are initialized, do the attach */ + adap->fe = dvb_attach(s5h1411_attach, &pinnacle_801e_config, + &adap->dev->i2c_adap); + return adap->fe == NULL ? -ENODEV : 0; +} + +int dib0700_xc5000_tuner_callback(void *priv, int command, int arg) +{ + struct dvb_usb_adapter *adap = priv; + + /* Reset the tuner */ + dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 0); + msleep(330); /* from Windows USB trace */ + dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 1); + msleep(330); /* from Windows USB trace */ + + return 0; +} + +static struct xc5000_config s5h1411_xc5000_tunerconfig = { + .i2c_address = 0x64, + .if_khz = 5380, + .tuner_callback = dib0700_xc5000_tuner_callback +}; + +static int xc5000_tuner_attach(struct dvb_usb_adapter *adap) +{ + return dvb_attach(xc5000_attach, adap->fe, &adap->dev->i2c_adap, + &s5h1411_xc5000_tunerconfig, adap) + == NULL ? -ENODEV : 0; +} + /* DVB-USB and USB stuff follows */ struct usb_device_id dib0700_usb_id_table[] = { /* 0 */ { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7700P) }, @@ -1122,6 +1207,7 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_GIGABYTE, USB_PID_GIGABYTE_U8000) }, { USB_DEVICE(USB_VID_YUAN, USB_PID_YUAN_STK7700PH) }, { USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3000H) }, +/* 40 */{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV801E) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1442,6 +1528,31 @@ struct dvb_usb_device_properties dib0700_devices[] = { .rc_key_map = dib0700_rc_keys, .rc_key_map_size = ARRAY_SIZE(dib0700_rc_keys), .rc_query = dib0700_rc_query + }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, + .num_adapters = 1, + .adapter = { + { + .frontend_attach = s5h1411_frontend_attach, + .tuner_attach = xc5000_tuner_attach, + + DIB0700_DEFAULT_STREAMING_CONFIG(0x02), + + .size_of_priv = sizeof(struct + dib0700_adapter_state), + }, + }, + + .num_device_descs = 1, + .devices = { + { "Pinnacle PCTV HD Pro USB Stick", + { &dib0700_usb_id_table[40], NULL }, + { NULL }, + }, + }, + .rc_interval = DEFAULT_RC_INTERVAL, + .rc_key_map = dib0700_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dib0700_rc_keys), + .rc_query = dib0700_rc_query }, }; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 8926db2fc489..38a23be68dbc 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -171,6 +171,7 @@ #define USB_PID_PINNACLE_PCTV71E 0x022b #define USB_PID_PINNACLE_PCTV72E 0x0236 #define USB_PID_PINNACLE_PCTV73E 0x0237 +#define USB_PID_PINNACLE_PCTV801E 0x023a #define USB_PID_PCTV_200E 0x020e #define USB_PID_PCTV_400E 0x020f #define USB_PID_PCTV_450E 0x0222 -- GitLab From a58843743ca0a774fbfc551adb2e5ecd04d96079 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Thu, 25 Sep 2008 06:21:11 -0300 Subject: [PATCH 3944/6244] V4L/DVB (9045): Add Pinnacle 801e dependencies to KConfig Support for the Pinnacle PCTV HD Pro 801e creates a dib0700 dependency on the xc5000 tuner and s5h1411 demodulator drivers. Update KConfig accordingly. Signed-off-by: Devin Heitmueller Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index aee3b5dd651b..5880f2d4513f 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -72,9 +72,11 @@ config DVB_USB_DIB0700 select DVB_DIB7000P select DVB_DIB7000M select DVB_DIB3000MC + select DVB_S5H1411 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_MT2060 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_MT2266 if !DVB_FE_CUSTOMISE select MEDIA_TUNER_XC2028 if !DVB_FE_CUSTOMISE + select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMIZE select DVB_TUNER_DIB0070 help Support for USB2.0/1.1 DVB receivers based on the DiB0700 USB bridge. The -- GitLab From d2fc3bfcc3abd14ffd1191b37d2809e780919ef4 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Thu, 25 Sep 2008 06:22:23 -0300 Subject: [PATCH 3945/6244] V4L/DVB (9046): Add support for Non-Pro version of Pinnacle PCTV HD USB Stick Add USB ID for Pinnacle PCTV HD USB Stick. According to the USB trace and photos, the only difference is the removal of the port for the analog S-video/audio input. Thanks to Mike Pringle for providing the USB trace of the device starting up, and testing the support. Signed-off-by: Devin Heitmueller Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 7 ++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 7d9efd702129..7e692b3b078e 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1208,6 +1208,7 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_YUAN, USB_PID_YUAN_STK7700PH) }, { USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3000H) }, /* 40 */{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV801E) }, + { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV801E_SE) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1542,12 +1543,16 @@ struct dvb_usb_device_properties dib0700_devices[] = { }, }, - .num_device_descs = 1, + .num_device_descs = 2, .devices = { { "Pinnacle PCTV HD Pro USB Stick", { &dib0700_usb_id_table[40], NULL }, { NULL }, }, + { "Pinnacle PCTV HD USB Stick", + { &dib0700_usb_id_table[41], NULL }, + { NULL }, + }, }, .rc_interval = DEFAULT_RC_INTERVAL, .rc_key_map = dib0700_rc_keys, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index 38a23be68dbc..dfaf1d2574db 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -172,6 +172,7 @@ #define USB_PID_PINNACLE_PCTV72E 0x0236 #define USB_PID_PINNACLE_PCTV73E 0x0237 #define USB_PID_PINNACLE_PCTV801E 0x023a +#define USB_PID_PINNACLE_PCTV801E_SE 0x023b #define USB_PID_PCTV_200E 0x020e #define USB_PID_PCTV_400E 0x020f #define USB_PID_PCTV_450E 0x0222 -- GitLab From 48aa739164ca6430b8b1da12ea367b44bb14ce82 Mon Sep 17 00:00:00 2001 From: Chris Rankin Date: Thu, 25 Sep 2008 06:52:24 -0300 Subject: [PATCH 3946/6244] V4L/DVB (9047): [PATCH] Add remote control support to Nova-TD (52009) This patch adds remote control support for the Hauppauge WinTV Nova-TD (Diversity) model. (That's the 52009 version.) It also adds the key-codes for the credit-card style remote control that comes with this particular adapter. Signed-off-by: Chris Rankin Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 44 ++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 7e692b3b078e..565563e68103 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -679,6 +679,43 @@ static struct dvb_usb_rc_key dib0700_rc_keys[] = { { 0x01, 0x7d, KEY_VOLUMEDOWN }, { 0x02, 0x42, KEY_CHANNELUP }, { 0x00, 0x7d, KEY_CHANNELDOWN }, + + /* Key codes for Nova-TD "credit card" remote control. */ + { 0x1d, 0x00, KEY_0 }, + { 0x1d, 0x01, KEY_1 }, + { 0x1d, 0x02, KEY_2 }, + { 0x1d, 0x03, KEY_3 }, + { 0x1d, 0x04, KEY_4 }, + { 0x1d, 0x05, KEY_5 }, + { 0x1d, 0x06, KEY_6 }, + { 0x1d, 0x07, KEY_7 }, + { 0x1d, 0x08, KEY_8 }, + { 0x1d, 0x09, KEY_9 }, + { 0x1d, 0x0a, KEY_TEXT }, + { 0x1d, 0x0d, KEY_MENU }, + { 0x1d, 0x0f, KEY_MUTE }, + { 0x1d, 0x10, KEY_VOLUMEUP }, + { 0x1d, 0x11, KEY_VOLUMEDOWN }, + { 0x1d, 0x12, KEY_CHANNEL }, + { 0x1d, 0x14, KEY_UP }, + { 0x1d, 0x15, KEY_DOWN }, + { 0x1d, 0x16, KEY_LEFT }, + { 0x1d, 0x17, KEY_RIGHT }, + { 0x1d, 0x1c, KEY_TV }, + { 0x1d, 0x1e, KEY_NEXT }, + { 0x1d, 0x1f, KEY_BACK }, + { 0x1d, 0x20, KEY_CHANNELUP }, + { 0x1d, 0x21, KEY_CHANNELDOWN }, + { 0x1d, 0x24, KEY_LAST }, + { 0x1d, 0x25, KEY_OK }, + { 0x1d, 0x30, KEY_PAUSE }, + { 0x1d, 0x32, KEY_REWIND }, + { 0x1d, 0x34, KEY_FASTFORWARD }, + { 0x1d, 0x35, KEY_PLAY }, + { 0x1d, 0x36, KEY_STOP }, + { 0x1d, 0x37, KEY_RECORD }, + { 0x1d, 0x3b, KEY_GOTO }, + { 0x1d, 0x3d, KEY_POWER }, }; /* STK7700P: Hauppauge Nova-T Stick, AVerMedia Volar */ @@ -1383,7 +1420,12 @@ struct dvb_usb_device_properties dib0700_devices[] = { { &dib0700_usb_id_table[31], NULL }, { NULL }, } - } + }, + + .rc_interval = DEFAULT_RC_INTERVAL, + .rc_key_map = dib0700_rc_keys, + .rc_key_map_size = ARRAY_SIZE(dib0700_rc_keys), + .rc_query = dib0700_rc_query }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, .num_adapters = 1, -- GitLab From ebb8d68a5c8c236acd8e8cf8f0d6046e027a8e21 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Wed, 10 Sep 2008 01:39:20 -0300 Subject: [PATCH 3947/6244] V4L/DVB (9048): add a general-purpose callback pointer to struct dvb_frontend Remove tuner_callback pointers from tuner driver configuration and private state structures, replaced with a general-purpose callback pointer within struct dvb_frontend. A new parameter is added to the callback function, called component. This allows us to use this callback pointer by frontend components other than the tuner, if need be. So far, this is only used by tuner drivers. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 1c575402814d..3055301ff3ca 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -220,6 +220,8 @@ struct dvb_frontend { void *sec_priv; void *analog_demod_priv; struct dtv_frontend_properties dtv_property_cache; +#define DVB_FRONTEND_COMPONENT_TUNER 0 + int (*callback)(void *adapter_priv, int component, int cmd, int arg); }; extern int dvb_register_frontend(struct dvb_adapter *dvb, -- GitLab From d7cba043d7ec840d67bd5143779d1febe7d83407 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Fri, 12 Sep 2008 13:31:45 -0300 Subject: [PATCH 3948/6244] V4L/DVB (9049): convert tuner drivers to use dvb_frontend->callback Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/tda827x.c | 12 +++--- drivers/media/common/tuners/tda827x.h | 1 - drivers/media/common/tuners/tda8290.c | 4 +- drivers/media/common/tuners/tda8290.h | 1 - drivers/media/common/tuners/tuner-xc2028.c | 41 +++++++++++---------- drivers/media/common/tuners/tuner-xc2028.h | 2 - drivers/media/common/tuners/xc5000.c | 8 ++-- drivers/media/common/tuners/xc5000.h | 2 - drivers/media/dvb/dvb-usb/cxusb.c | 7 +++- drivers/media/dvb/dvb-usb/dib0700_devices.c | 8 ++-- drivers/media/video/au0828/au0828-cards.c | 2 +- drivers/media/video/au0828/au0828-dvb.c | 3 +- drivers/media/video/au0828/au0828.h | 3 +- drivers/media/video/cx18/cx18-gpio.c | 2 +- drivers/media/video/cx18/cx18-gpio.h | 2 +- drivers/media/video/cx23885/cx23885-cards.c | 2 +- drivers/media/video/cx23885/cx23885-dvb.c | 12 +----- drivers/media/video/cx23885/cx23885.h | 2 +- drivers/media/video/cx88/cx88-cards.c | 24 ++++++++++-- drivers/media/video/cx88/cx88-dvb.c | 40 +------------------- drivers/media/video/cx88/cx88.h | 2 +- drivers/media/video/em28xx/em28xx-cards.c | 2 +- drivers/media/video/em28xx/em28xx-dvb.c | 3 +- drivers/media/video/em28xx/em28xx.h | 2 +- drivers/media/video/ivtv/ivtv-gpio.c | 2 +- drivers/media/video/ivtv/ivtv-gpio.h | 2 +- drivers/media/video/saa7134/saa7134-cards.c | 2 +- drivers/media/video/saa7134/saa7134-dvb.c | 7 +--- drivers/media/video/saa7134/saa7134.h | 2 +- drivers/media/video/tuner-core.c | 10 ++--- include/media/tuner.h | 2 +- 31 files changed, 90 insertions(+), 124 deletions(-) diff --git a/drivers/media/common/tuners/tda827x.c b/drivers/media/common/tuners/tda827x.c index 8555d9cf9051..4a74f65e759a 100644 --- a/drivers/media/common/tuners/tda827x.c +++ b/drivers/media/common/tuners/tda827x.c @@ -447,17 +447,19 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, else arg = 0; } - if (priv->cfg->tuner_callback) - priv->cfg->tuner_callback(priv->i2c_adap->algo_data, - gp_func, arg); + if (fe->callback) + fe->callback(priv->i2c_adap->algo_data, + DVB_FRONTEND_COMPONENT_TUNER, + gp_func, arg); buf[1] = high ? 0 : 1; if (priv->cfg->config == 2) buf[1] = high ? 1 : 0; i2c_transfer(priv->i2c_adap, &msg, 1); break; case 3: /* switch with GPIO of saa713x */ - if (priv->cfg->tuner_callback) - priv->cfg->tuner_callback(priv->i2c_adap->algo_data, 0, high); + if (fe->callback) + fe->callback(priv->i2c_adap->algo_data, + DVB_FRONTEND_COMPONENT_TUNER, 0, high); break; } } diff --git a/drivers/media/common/tuners/tda827x.h b/drivers/media/common/tuners/tda827x.h index 7850a9a1dc8f..7d72ce0a0c2d 100644 --- a/drivers/media/common/tuners/tda827x.h +++ b/drivers/media/common/tuners/tda827x.h @@ -36,7 +36,6 @@ struct tda827x_config /* interface to tda829x driver */ unsigned int config; int switch_addr; - int (*tuner_callback) (void *dev, int command, int arg); void (*agcf)(struct dvb_frontend *fe); }; diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c index 91204d3f282d..c112bdd4e0f0 100644 --- a/drivers/media/common/tuners/tda8290.c +++ b/drivers/media/common/tuners/tda8290.c @@ -672,10 +672,8 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe, priv->i2c_props.addr = i2c_addr; priv->i2c_props.adap = i2c_adap; priv->i2c_props.name = "tda829x"; - if (cfg) { + if (cfg) priv->cfg.config = cfg->lna_cfg; - priv->cfg.tuner_callback = cfg->tuner_callback; - } if (tda8290_probe(&priv->i2c_props) == 0) { priv->ver = TDA8290; diff --git a/drivers/media/common/tuners/tda8290.h b/drivers/media/common/tuners/tda8290.h index aa074f3f0c07..7e288b26fcc3 100644 --- a/drivers/media/common/tuners/tda8290.h +++ b/drivers/media/common/tuners/tda8290.h @@ -22,7 +22,6 @@ struct tda829x_config { unsigned int lna_cfg; - int (*tuner_callback) (void *dev, int command, int arg); unsigned int probe_tuner:1; #define TDA829X_PROBE_TUNER 0 diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index 4dd1d2421cc5..fc82d154c8c2 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -71,9 +71,6 @@ struct firmware_properties { struct xc2028_data { struct list_head hybrid_tuner_instance_list; struct tuner_i2c_props i2c_props; - int (*tuner_callback) (void *dev, - int command, int arg); - void *video_dev; __u32 frequency; struct firmware_description *firm; @@ -492,6 +489,23 @@ ret: return i; } +static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg) +{ + struct xc2028_data *priv = fe->tuner_priv; + + /* analog side (tuner-core) uses i2c_adap->algo_data. + * digital side is not guaranteed to have algo_data defined. + * + * digital side will always have fe->dvb defined. + * analog side (tuner-core) doesn't (yet) define fe->dvb. + */ + + return (!fe->callback) ? -EINVAL : + fe->callback(((fe->dvb) && (fe->dvb->priv)) ? + fe->dvb->priv : priv->i2c_props.adap->algo_data, + DVB_FRONTEND_COMPONENT_TUNER, cmd, arg); +} + static int load_firmware(struct dvb_frontend *fe, unsigned int type, v4l2_std_id *id) { @@ -530,8 +544,7 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type, if (!size) { /* Special callback command received */ - rc = priv->tuner_callback(priv->video_dev, - XC2028_TUNER_RESET, 0); + rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); if (rc < 0) { tuner_err("Error at RESET code %d\n", (*p) & 0x7f); @@ -542,8 +555,7 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type, if (size >= 0xff00) { switch (size) { case 0xff00: - rc = priv->tuner_callback(priv->video_dev, - XC2028_RESET_CLK, 0); + rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0); if (rc < 0) { tuner_err("Error at RESET code %d\n", (*p) & 0x7f); @@ -715,8 +727,7 @@ retry: memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); /* Reset is needed before loading firmware */ - rc = priv->tuner_callback(priv->video_dev, - XC2028_TUNER_RESET, 0); + rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); if (rc < 0) goto fail; @@ -933,7 +944,7 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, The reset CLK is needed only with tm6000. Driver should work fine even if this fails. */ - priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); + do_tuner_callback(fe, XC2028_RESET_CLK, 1); msleep(10); @@ -1177,20 +1188,10 @@ struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe, break; case 1: /* new tuner instance */ - priv->tuner_callback = cfg->callback; priv->ctrl.max_len = 13; mutex_init(&priv->lock); - /* analog side (tuner-core) uses i2c_adap->algo_data. - * digital side is not guaranteed to have algo_data defined. - * - * digital side will always have fe->dvb defined. - * analog side (tuner-core) doesn't (yet) define fe->dvb. - */ - priv->video_dev = ((fe->dvb) && (fe->dvb->priv)) ? - fe->dvb->priv : cfg->i2c_adap->algo_data; - fe->tuner_priv = priv; break; case 2: diff --git a/drivers/media/common/tuners/tuner-xc2028.h b/drivers/media/common/tuners/tuner-xc2028.h index 2c5b6282b569..1af69f49f8e1 100644 --- a/drivers/media/common/tuners/tuner-xc2028.h +++ b/drivers/media/common/tuners/tuner-xc2028.h @@ -39,9 +39,7 @@ struct xc2028_ctrl { struct xc2028_config { struct i2c_adapter *i2c_adap; u8 i2c_addr; - void *video_dev; struct xc2028_ctrl *ctrl; - int (*callback) (void *dev, int command, int arg); }; /* xc2028 commands for callback */ diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index ccc4dae4126a..f9c2bb917f54 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -58,8 +58,6 @@ struct xc5000_priv { u32 bandwidth; u8 video_standard; u8 rf_mode; - - int (*tuner_callback) (void *priv, int command, int arg); }; /* Misc Defines */ @@ -232,10 +230,11 @@ static void xc5000_TunerReset(struct dvb_frontend *fe) dprintk(1, "%s()\n", __func__); - if (priv->tuner_callback) { - ret = priv->tuner_callback(((fe->dvb) && (fe->dvb->priv)) ? + if (fe->callback) { + ret = fe->callback(((fe->dvb) && (fe->dvb->priv)) ? fe->dvb->priv : priv->i2c_props.adap->algo_data, + DVB_FRONTEND_COMPONENT_TUNER, XC5000_TUNER_RESET, 0); if (ret) printk(KERN_ERR "xc5000: reset failed\n"); @@ -975,7 +974,6 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, /* new tuner instance */ priv->bandwidth = BANDWIDTH_6_MHZ; priv->if_khz = cfg->if_khz; - priv->tuner_callback = cfg->tuner_callback; fe->tuner_priv = priv; break; diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h index fa0321cfd179..cf1a558e0e7f 100644 --- a/drivers/media/common/tuners/xc5000.h +++ b/drivers/media/common/tuners/xc5000.h @@ -30,8 +30,6 @@ struct i2c_adapter; struct xc5000_config { u8 i2c_address; u32 if_khz; - - int (*tuner_callback) (void *priv, int command, int arg); }; /* xc5000 callback command */ diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 1a746127cbda..406d7fba369d 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -742,7 +742,8 @@ static int cxusb_lgh064f_tuner_attach(struct dvb_usb_adapter *adap) return 0; } -static int dvico_bluebird_xc2028_callback(void *ptr, int command, int arg) +static int dvico_bluebird_xc2028_callback(void *ptr, int component, + int command, int arg) { struct dvb_usb_adapter *adap = ptr; struct dvb_usb_device *d = adap->dev; @@ -770,7 +771,6 @@ static int cxusb_dvico_xc3028_tuner_attach(struct dvb_usb_adapter *adap) struct xc2028_config cfg = { .i2c_adap = &adap->dev->i2c_adap, .i2c_addr = 0x61, - .callback = dvico_bluebird_xc2028_callback, }; static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -778,6 +778,9 @@ static int cxusb_dvico_xc3028_tuner_attach(struct dvb_usb_adapter *adap) .demod = XC3028_FE_ZARLINK456, }; + /* FIXME: generalize & move to common area */ + adap->fe->callback = dvico_bluebird_xc2028_callback; + fe = dvb_attach(xc2028_attach, adap->fe, &cfg); if (fe == NULL || fe->ops.tuner_ops.set_config == NULL) return -EIO; diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 565563e68103..8b74e13a6460 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -368,7 +368,8 @@ static struct dib7000p_config stk7700ph_dib7700_xc3028_config = { .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS, }; -static int stk7700ph_xc3028_callback(void *ptr, int command, int arg) +static int stk7700ph_xc3028_callback(void *ptr, int component, + int command, int arg) { struct dvb_usb_adapter *adap = ptr; @@ -396,7 +397,6 @@ static struct xc2028_ctrl stk7700ph_xc3028_ctrl = { static struct xc2028_config stk7700ph_xc3028_config = { .i2c_addr = 0x61, - .callback = stk7700ph_xc3028_callback, .ctrl = &stk7700ph_xc3028_ctrl, }; @@ -437,7 +437,9 @@ static int stk7700ph_tuner_attach(struct dvb_usb_adapter *adap) DIBX000_I2C_INTERFACE_TUNER, 1); stk7700ph_xc3028_config.i2c_adap = tun_i2c; - stk7700ph_xc3028_config.video_dev = adap; + + /* FIXME: generalize & move to common area */ + adap->fe->callback = stk7700ph_xc3028_callback; return dvb_attach(xc2028_attach, adap->fe, &stk7700ph_xc3028_config) == NULL ? -ENODEV : 0; diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c index ed48908a9034..5f07a8a072b6 100644 --- a/drivers/media/video/au0828/au0828-cards.c +++ b/drivers/media/video/au0828/au0828-cards.c @@ -46,7 +46,7 @@ struct au0828_board au0828_boards[] = { /* Tuner callback function for au0828 boards. Currently only needed * for HVR1500Q, which has an xc5000 tuner. */ -int au0828_tuner_callback(void *priv, int command, int arg) +int au0828_tuner_callback(void *priv, int component, int command, int arg) { struct au0828_dev *dev = priv; diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c index 96246959dce1..a52abce16e1a 100644 --- a/drivers/media/video/au0828/au0828-dvb.c +++ b/drivers/media/video/au0828/au0828-dvb.c @@ -53,7 +53,6 @@ static struct au8522_config hauppauge_woodbury_config = { static struct xc5000_config hauppauge_hvr950q_tunerconfig = { .i2c_address = 0x61, .if_khz = 6000, - .tuner_callback = au0828_tuner_callback }; static struct mxl5007t_config mxl5007t_hvr950q_config = { @@ -389,6 +388,8 @@ int au0828_dvb_register(struct au0828_dev *dev) __func__); return -1; } + /* define general-purpose callback pointer */ + dvb->frontend->callback = au0828_tuner_callback; /* register everything */ ret = dvb_register(dev); diff --git a/drivers/media/video/au0828/au0828.h b/drivers/media/video/au0828/au0828.h index 4f10ff300135..9d6a1161dc98 100644 --- a/drivers/media/video/au0828/au0828.h +++ b/drivers/media/video/au0828/au0828.h @@ -103,7 +103,8 @@ extern int au0828_debug; extern struct au0828_board au0828_boards[]; extern struct usb_device_id au0828_usb_id_table[]; extern void au0828_gpio_setup(struct au0828_dev *dev); -extern int au0828_tuner_callback(void *priv, int command, int arg); +extern int au0828_tuner_callback(void *priv, int component, + int command, int arg); extern void au0828_card_setup(struct au0828_dev *dev); /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/cx18/cx18-gpio.c b/drivers/media/video/cx18/cx18-gpio.c index 3bdffbf7a96d..0e560421989e 100644 --- a/drivers/media/video/cx18/cx18-gpio.c +++ b/drivers/media/video/cx18/cx18-gpio.c @@ -152,7 +152,7 @@ void cx18_gpio_init(struct cx18 *cx) } /* Xceive tuner reset function */ -int cx18_reset_tuner_gpio(void *dev, int cmd, int value) +int cx18_reset_tuner_gpio(void *dev, int component, int cmd, int value) { struct i2c_algo_bit_data *algo = dev; struct cx18_i2c_algo_callback_data *cb_data = algo->data; diff --git a/drivers/media/video/cx18/cx18-gpio.h b/drivers/media/video/cx18/cx18-gpio.h index 22cd7ddf8554..beb7424b9944 100644 --- a/drivers/media/video/cx18/cx18-gpio.h +++ b/drivers/media/video/cx18/cx18-gpio.h @@ -23,5 +23,5 @@ void cx18_gpio_init(struct cx18 *cx); void cx18_reset_i2c_slaves_gpio(struct cx18 *cx); void cx18_reset_ir_gpio(void *data); -int cx18_reset_tuner_gpio(void *dev, int cmd, int value); +int cx18_reset_tuner_gpio(void *dev, int component, int cmd, int value); int cx18_gpio(struct cx18 *cx, unsigned int command, void *arg); diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index ccea8de7c7dc..2cda15f829fd 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -337,7 +337,7 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data) dev->name, tv.model); } -int cx23885_tuner_callback(void *priv, int command, int arg) +int cx23885_tuner_callback(void *priv, int component, int command, int arg) { struct cx23885_tsport *port = priv; struct cx23885_dev *dev = port->dev; diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index 3b54f1391803..6c5475d7d321 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -189,13 +189,11 @@ static struct s5h1411_config dvico_s5h1411_config = { static struct xc5000_config hauppauge_hvr1500q_tunerconfig = { .i2c_address = 0x61, .if_khz = 5380, - .tuner_callback = cx23885_tuner_callback, }; static struct xc5000_config dvico_xc5000_tunerconfig = { .i2c_address = 0x64, .if_khz = 5380, - .tuner_callback = cx23885_tuner_callback, }; static struct tda829x_config tda829x_no_probe = { @@ -403,8 +401,6 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &i2c_bus->i2c_adap, .i2c_addr = 0x61, - .video_dev = port, - .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -443,8 +439,6 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &dev->i2c_bus[1].i2c_adap, .i2c_addr = 0x64, - .video_dev = port, - .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = XC3028L_DEFAULT_FIRMWARE, @@ -485,8 +479,6 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &i2c_bus->i2c_adap, .i2c_addr = 0x61, - .video_dev = port, - .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -512,8 +504,6 @@ static int dvb_register(struct cx23885_tsport *port) struct xc2028_config cfg = { .i2c_adap = &dev->i2c_bus[1].i2c_adap, .i2c_addr = 0x61, - .video_dev = port, - .callback = cx23885_tuner_callback, }; static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -536,6 +526,8 @@ static int dvb_register(struct cx23885_tsport *port) printk("%s: frontend initialization failed\n", dev->name); return -1; } + /* define general-purpose callback pointer */ + port->dvb.frontend->callback = cx23885_tuner_callback; /* Put the analog decoder in standby to keep it quiet */ cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL); diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index 4e0fcb3f7fcb..ba4e0aaed463 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -411,7 +411,7 @@ extern const unsigned int cx23885_bcount; extern struct cx23885_subid cx23885_subids[]; extern const unsigned int cx23885_idcount; -extern int cx23885_tuner_callback(void *priv, int command, int arg); +extern int cx23885_tuner_callback(void *priv, int component, int command, int arg); extern void cx23885_card_list(struct cx23885_dev *dev); extern int cx23885_ir_init(struct cx23885_dev *dev); extern void cx23885_gpio_setup(struct cx23885_dev *dev); diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 16bb9c35fc76..b5a25094c9e5 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -2308,9 +2308,21 @@ static int cx88_dvico_xc2028_callback(struct cx88_core *core, { switch (command) { case XC2028_TUNER_RESET: - cx_write(MO_GP0_IO, 0x101000); - mdelay(5); - cx_set(MO_GP0_IO, 0x101010); + switch (core->boardnr) { + case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: + /* GPIO-4 xc3028 tuner */ + + cx_set(MO_GP0_IO, 0x00001000); + cx_clear(MO_GP0_IO, 0x00000010); + msleep(100); + cx_set(MO_GP0_IO, 0x00000010); + msleep(100); + break; + default: + cx_write(MO_GP0_IO, 0x101000); + mdelay(5); + cx_set(MO_GP0_IO, 0x101010); + } break; default: return -EINVAL; @@ -2419,6 +2431,7 @@ static int cx88_xc2028_tuner_callback(struct cx88_core *core, case CX88_BOARD_PROLINK_PV_8000GT: return cx88_pv_8000gt_callback(core, command, arg); case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO: + case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: return cx88_dvico_xc2028_callback(core, command, arg); } @@ -2486,7 +2499,7 @@ static int cx88_xc5000_tuner_callback(struct cx88_core *core, return 0; /* Should never be here */ } -int cx88_tuner_callback(void *priv, int command, int arg) +int cx88_tuner_callback(void *priv, int component, int command, int arg) { struct i2c_algo_bit_data *i2c_algo = priv; struct cx88_core *core; @@ -2503,6 +2516,9 @@ int cx88_tuner_callback(void *priv, int command, int arg) return -EINVAL; } + if (component != DVB_FRONTEND_COMPONENT_TUNER) + return -EINVAL; + switch (core->board.tuner_type) { case TUNER_XC2028: info_printk(core, "Calling XC2028/3028 callback\n"); diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index cd368b512d1f..6751f36e061e 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -405,40 +405,6 @@ static int tevii_dvbs_set_voltage(struct dvb_frontend *fe, return 0; } -static int cx88_pci_nano_callback(void *ptr, int command, int arg) -{ - struct cx88_core *core = ptr; - - switch (command) { - case XC2028_TUNER_RESET: - /* Send the tuner in then out of reset */ - dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __func__, arg); - - switch (core->boardnr) { - case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: - /* GPIO-4 xc3028 tuner */ - - cx_set(MO_GP0_IO, 0x00001000); - cx_clear(MO_GP0_IO, 0x00000010); - msleep(100); - cx_set(MO_GP0_IO, 0x00000010); - msleep(100); - break; - } - - break; - case XC2028_RESET_CLK: - dprintk(1, "%s: XC2028_RESET_CLK %d\n", __func__, arg); - break; - default: - dprintk(1, "%s: unknown command %d, arg %d\n", __func__, - command, arg); - return -EINVAL; - } - - return 0; -} - static struct cx24123_config geniatech_dvbs_config = { .demod_address = 0x55, .set_ts_params = cx24123_set_ts_param, @@ -486,7 +452,6 @@ static struct s5h1409_config kworld_atsc_120_config = { static struct xc5000_config pinnacle_pctv_hd_800i_tuner_config = { .i2c_address = 0x64, .if_khz = 5380, - .tuner_callback = cx88_tuner_callback, }; static struct zl10353_config cx88_geniatech_x8000_mt = { @@ -507,7 +472,6 @@ static struct s5h1411_config dvico_fusionhdtv7_config = { static struct xc5000_config dvico_fusionhdtv7_tuner_config = { .i2c_address = 0xc2 >> 1, .if_khz = 5380, - .tuner_callback = cx88_tuner_callback, }; static int attach_xc3028(u8 addr, struct cx8802_dev *dev) @@ -518,7 +482,6 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev) .i2c_adap = &dev->core->i2c_adap, .i2c_addr = addr, .ctrl = &ctl, - .callback = cx88_tuner_callback, }; if (!dev->dvb.frontend) { @@ -912,7 +875,6 @@ static int dvb_register(struct cx8802_dev *dev) struct xc2028_config cfg = { .i2c_adap = &core->i2c_adap, .i2c_addr = 0x61, - .callback = cx88_pci_nano_callback, }; static struct xc2028_ctrl ctl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -1035,6 +997,8 @@ static int dvb_register(struct cx8802_dev *dev) core->name); return -EINVAL; } + /* define general-purpose callback pointer */ + dev->dvb.frontend->callback = cx88_tuner_callback; /* Ensure all frontends negotiate bus access */ dev->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl; diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index e17bd513b584..30b750ee8564 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -607,7 +607,7 @@ extern void cx88_call_i2c_clients(struct cx88_core *core, /* ----------------------------------------------------------- */ /* cx88-cards.c */ -extern int cx88_tuner_callback(void *dev, int command, int arg); +extern int cx88_tuner_callback(void *dev, int component, int command, int arg); extern int cx88_get_resources(const struct cx88_core *core, struct pci_dev *pci); extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr); diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index 01804fac6aa6..d65d0572403b 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -1271,7 +1271,7 @@ static struct em28xx_hash_table em28xx_i2c_hash[] = { {0x1ba50080, EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA, TUNER_ABSENT}, }; -int em28xx_tuner_callback(void *ptr, int command, int arg) +int em28xx_tuner_callback(void *ptr, int component, int command, int arg) { int rc = 0; struct em28xx *dev = ptr; diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index ea4f2a97bd2d..855ad3940b29 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -249,7 +249,6 @@ static int attach_xc3028(u8 addr, struct em28xx *dev) memset(&cfg, 0, sizeof(cfg)); cfg.i2c_adap = &dev->i2c_adap; cfg.i2c_addr = addr; - cfg.callback = em28xx_tuner_callback; if (!dev->dvb->frontend) { printk(KERN_ERR "%s/2: dvb frontend not attached. " @@ -474,6 +473,8 @@ static int dvb_init(struct em28xx *dev) result = -EINVAL; goto out_free; } + /* define general-purpose callback pointer */ + dvb->frontend->callback = em28xx_tuner_callback; /* register everything */ result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index d992280613b2..82781178e0a3 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -528,7 +528,7 @@ extern struct em28xx_board em28xx_boards[]; extern struct usb_device_id em28xx_id_table[]; extern const unsigned int em28xx_bcount; void em28xx_set_ir(struct em28xx *dev, struct IR_i2c *ir); -int em28xx_tuner_callback(void *ptr, int command, int arg); +int em28xx_tuner_callback(void *ptr, int component, int command, int arg); /* Provided by em28xx-input.c */ /* TODO: Check if the standard get_key handlers on ir-common can be used */ diff --git a/drivers/media/video/ivtv/ivtv-gpio.c b/drivers/media/video/ivtv/ivtv-gpio.c index bc22905ea20f..74a44844ccaf 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.c +++ b/drivers/media/video/ivtv/ivtv-gpio.c @@ -124,7 +124,7 @@ void ivtv_reset_ir_gpio(struct ivtv *itv) } /* Xceive tuner reset function */ -int ivtv_reset_tuner_gpio(void *dev, int cmd, int value) +int ivtv_reset_tuner_gpio(void *dev, int component, int cmd, int value) { struct i2c_algo_bit_data *algo = dev; struct ivtv *itv = algo->data; diff --git a/drivers/media/video/ivtv/ivtv-gpio.h b/drivers/media/video/ivtv/ivtv-gpio.h index 964a265d91a9..48b6291613a2 100644 --- a/drivers/media/video/ivtv/ivtv-gpio.h +++ b/drivers/media/video/ivtv/ivtv-gpio.h @@ -24,7 +24,7 @@ /* GPIO stuff */ void ivtv_gpio_init(struct ivtv *itv); void ivtv_reset_ir_gpio(struct ivtv *itv); -int ivtv_reset_tuner_gpio(void *dev, int cmd, int value); +int ivtv_reset_tuner_gpio(void *dev, int component, int cmd, int value); int ivtv_gpio(struct ivtv *itv, unsigned int command, void *arg); #endif diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 3c2f09fb0446..622d3ba5a1ec 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -5576,7 +5576,7 @@ static int saa7134_tda8290_callback(struct saa7134_dev *dev, return 0; } -int saa7134_tuner_callback(void *priv, int command, int arg) +int saa7134_tuner_callback(void *priv, int component, int command, int arg) { struct saa7134_dev *dev = priv; if (dev != NULL) { diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 7fa6ce76642b..0dd6b988820f 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -553,7 +553,6 @@ static int configure_tda827x_fe(struct saa7134_dev *dev, /* ------------------------------------------------------------------ */ static struct tda827x_config tda827x_cfg_0 = { - .tuner_callback = saa7134_tuner_callback, .init = philips_tda827x_tuner_init, .sleep = philips_tda827x_tuner_sleep, .config = 0, @@ -561,7 +560,6 @@ static struct tda827x_config tda827x_cfg_0 = { }; static struct tda827x_config tda827x_cfg_1 = { - .tuner_callback = saa7134_tuner_callback, .init = philips_tda827x_tuner_init, .sleep = philips_tda827x_tuner_sleep, .config = 1, @@ -569,7 +567,6 @@ static struct tda827x_config tda827x_cfg_1 = { }; static struct tda827x_config tda827x_cfg_2 = { - .tuner_callback = saa7134_tuner_callback, .init = philips_tda827x_tuner_init, .sleep = philips_tda827x_tuner_sleep, .config = 2, @@ -577,7 +574,6 @@ static struct tda827x_config tda827x_cfg_2 = { }; static struct tda827x_config tda827x_cfg_2_sw42 = { - .tuner_callback = saa7134_tuner_callback, .init = philips_tda827x_tuner_init, .sleep = philips_tda827x_tuner_sleep, .config = 2, @@ -836,7 +832,6 @@ static int ads_duo_tuner_sleep(struct dvb_frontend *fe) } static struct tda827x_config ads_duo_cfg = { - .tuner_callback = saa7134_tuner_callback, .init = ads_duo_tuner_init, .sleep = ads_duo_tuner_sleep, .config = 0 @@ -1366,6 +1361,8 @@ static int dvb_init(struct saa7134_dev *dev) printk(KERN_ERR "%s/dvb: frontend initialization failed\n", dev->name); return -1; } + /* define general-purpose callback pointer */ + dev->dvb.frontend->callback = saa7134_tuner_callback; /* register everything else */ ret = videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev, &dev->pci->dev, diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index cbfdac27b69e..4005335c4f55 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -653,7 +653,7 @@ extern struct pci_device_id __devinitdata saa7134_pci_tbl[]; extern int saa7134_board_init1(struct saa7134_dev *dev); extern int saa7134_board_init2(struct saa7134_dev *dev); -int saa7134_tuner_callback(void *priv, int command, int arg); +int saa7134_tuner_callback(void *priv, int component, int command, int arg); /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 39c7b9b835a3..4a7735c6c1a6 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -92,7 +92,6 @@ struct tuner { unsigned int type; /* chip type id */ unsigned int config; - int (*tuner_callback) (void *dev, int command, int arg); const char *name; }; @@ -346,7 +345,7 @@ static struct xc5000_config xc5000_cfg; static void set_type(struct i2c_client *c, unsigned int type, unsigned int new_mode_mask, unsigned int new_config, - int (*tuner_callback) (void *dev, int command,int arg)) + int (*tuner_callback) (void *dev, int component, int cmd, int arg)) { struct tuner *t = i2c_get_clientdata(c); struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; @@ -362,7 +361,7 @@ static void set_type(struct i2c_client *c, unsigned int type, t->config = new_config; if (tuner_callback != NULL) { tuner_dbg("defining GPIO callback\n"); - t->tuner_callback = tuner_callback; + t->fe.callback = tuner_callback; } if (t->mode == T_UNINITIALIZED) { @@ -385,7 +384,6 @@ static void set_type(struct i2c_client *c, unsigned int type, { struct tda829x_config cfg = { .lna_cfg = t->config, - .tuner_callback = t->tuner_callback, }; if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter, t->i2c->addr, &cfg)) @@ -433,7 +431,6 @@ static void set_type(struct i2c_client *c, unsigned int type, struct xc2028_config cfg = { .i2c_adap = t->i2c->adapter, .i2c_addr = t->i2c->addr, - .callback = t->tuner_callback, }; if (!dvb_attach(xc2028_attach, &t->fe, &cfg)) goto attach_failed; @@ -450,7 +447,6 @@ static void set_type(struct i2c_client *c, unsigned int type, xc5000_cfg.i2c_address = t->i2c->addr; xc5000_cfg.if_khz = 5380; - xc5000_cfg.tuner_callback = t->tuner_callback; if (!dvb_attach(xc5000_attach, &t->fe, t->i2c->adapter, &xc5000_cfg)) goto attach_failed; @@ -1224,7 +1220,7 @@ register_client: } else { t->mode = V4L2_TUNER_DIGITAL_TV; } - set_type(client, t->type, t->mode_mask, t->config, t->tuner_callback); + set_type(client, t->type, t->mode_mask, t->config, t->fe.callback); list_add_tail(&t->list, &tuner_list); return 0; } diff --git a/include/media/tuner.h b/include/media/tuner.h index ba818985cc84..67c1f514d0e2 100644 --- a/include/media/tuner.h +++ b/include/media/tuner.h @@ -179,7 +179,7 @@ struct tuner_setup { unsigned int type; /* Tuner type */ unsigned int mode_mask; /* Allowed tuner modes */ unsigned int config; /* configuraion for more complex tuners */ - int (*tuner_callback) (void *dev, int command,int arg); + int (*tuner_callback) (void *dev, int component, int cmd, int arg); }; #endif /* __KERNEL__ */ -- GitLab From 767f3b3bf23244d52be0492df20b0eaf14f501c5 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Thu, 25 Sep 2008 09:47:07 -0300 Subject: [PATCH 3949/6244] V4L/DVB (9051): dib0700: use dvb_frontend->callback for xc5000 gpio reset The tuner_callback function pointer from struct xc5000_config has been removed. Use dvb_frontend->callback instead. Also, mark function dib0700_xc5000_tuner_callback as static int. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 8b74e13a6460..9891ca0924a3 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1176,7 +1176,8 @@ static int s5h1411_frontend_attach(struct dvb_usb_adapter *adap) return adap->fe == NULL ? -ENODEV : 0; } -int dib0700_xc5000_tuner_callback(void *priv, int command, int arg) +static int dib0700_xc5000_tuner_callback(void *priv, int component, + int command, int arg) { struct dvb_usb_adapter *adap = priv; @@ -1192,14 +1193,16 @@ int dib0700_xc5000_tuner_callback(void *priv, int command, int arg) static struct xc5000_config s5h1411_xc5000_tunerconfig = { .i2c_address = 0x64, .if_khz = 5380, - .tuner_callback = dib0700_xc5000_tuner_callback }; static int xc5000_tuner_attach(struct dvb_usb_adapter *adap) { return dvb_attach(xc5000_attach, adap->fe, &adap->dev->i2c_adap, - &s5h1411_xc5000_tunerconfig, adap) + &s5h1411_xc5000_tunerconfig) == NULL ? -ENODEV : 0; + + /* FIXME: generalize & move to common area */ + adap->fe->callback = dib0700_xc5000_tuner_callback; } /* DVB-USB and USB stuff follows */ -- GitLab From 0975fc68719c75cbe14132c6f0dead57cd4d5210 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sun, 28 Sep 2008 02:24:44 -0300 Subject: [PATCH 3950/6244] V4L/DVB (9055): tuner-xc2028: Do a better job selecting firmware type Firmware selection is very tricky on this device. This patch do a better selection of the proper firmware type, by using a code to hint if the firmware to be loaded should be D2620 or D2633. It also allows overriding the hint at the control structure. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/tuner-xc2028.c | 33 ++++++++++++++++------ drivers/media/common/tuners/tuner-xc2028.h | 8 +++++- drivers/media/video/cx23885/cx23885-dvb.c | 3 +- 3 files changed, 33 insertions(+), 11 deletions(-) diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index fc82d154c8c2..b65e6803e6c6 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -1013,11 +1013,6 @@ static int xc2028_set_params(struct dvb_frontend *fe, tuner_dbg("%s called\n", __func__); - if (priv->ctrl.d2633) - type |= D2633; - else - type |= D2620; - switch(fe->ops.info.type) { case FE_OFDM: bw = p->u.ofdm.bandwidth; @@ -1032,10 +1027,8 @@ static int xc2028_set_params(struct dvb_frontend *fe, break; case FE_ATSC: bw = BANDWIDTH_6_MHZ; - /* The only ATSC firmware (at least on v2.7) is D2633, - so overrides ctrl->d2633 */ - type |= ATSC| D2633; - type &= ~D2620; + /* The only ATSC firmware (at least on v2.7) is D2633 */ + type |= ATSC | D2633; break; /* DVB-S is not supported */ default: @@ -1068,6 +1061,28 @@ static int xc2028_set_params(struct dvb_frontend *fe, tuner_err("error: bandwidth not supported.\n"); }; + /* + Selects between D2633 or D2620 firmware. + It doesn't make sense for ATSC, since it should be D2633 on all cases + */ + if (fe->ops.info.type != FE_ATSC) { + switch (priv->ctrl.type) { + case XC2028_D2633: + type |= D2633; + break; + case XC2028_D2620: + type |= D2620; + break; + case XC2028_AUTO: + default: + /* Zarlink seems to need D2633 */ + if (priv->ctrl.demod == XC3028_FE_ZARLINK456) + type |= D2633; + else + type |= D2620; + } + } + /* All S-code tables need a 200kHz shift */ if (priv->ctrl.demod) demod = priv->ctrl.demod + 200; diff --git a/drivers/media/common/tuners/tuner-xc2028.h b/drivers/media/common/tuners/tuner-xc2028.h index 1af69f49f8e1..19de7928a74e 100644 --- a/drivers/media/common/tuners/tuner-xc2028.h +++ b/drivers/media/common/tuners/tuner-xc2028.h @@ -24,16 +24,22 @@ #define XC3028_FE_ZARLINK456 4560 #define XC3028_FE_CHINA 5200 +enum firmware_type { + XC2028_AUTO = 0, /* By default, auto-detects */ + XC2028_D2633, + XC2028_D2620, +}; + struct xc2028_ctrl { char *fname; int max_len; unsigned int scode_table; unsigned int mts :1; - unsigned int d2633 :1; unsigned int input1:1; unsigned int vhfbw7:1; unsigned int uhfbw8:1; unsigned int demod; + enum firmware_type type:2; }; struct xc2028_config { diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index 6c5475d7d321..24bd18327aa0 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -444,7 +444,8 @@ static int dvb_register(struct cx23885_tsport *port) .fname = XC3028L_DEFAULT_FIRMWARE, .max_len = 64, .demod = 5000, - .d2633 = 1 + /* This is true for all demods with v36 firmware? */ + .type = XC2028_D2633, }; fe = dvb_attach(xc2028_attach, -- GitLab From 8acdbcfd90a1954dcea36c2da4429c305813d470 Mon Sep 17 00:00:00 2001 From: David Bentham Date: Sun, 28 Sep 2008 16:29:51 -0300 Subject: [PATCH 3951/6244] V4L/DVB (9057): saa7134: Hauppauge HVR-1110, support for radio and analog audio in The audio switch is at 0x100 and radio on gpio 21. Tested-by: Thomas Genty Signed-off-by: David Bentham Reviewed-by: Hermann Pitton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-cards.c | 24 ++++++++++++--------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 622d3ba5a1ec..4f32486a10d6 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3260,6 +3260,7 @@ struct saa7134_board saa7134_boards[] = { }, [SAA7134_BOARD_HAUPPAUGE_HVR1110] = { /* Thomas Genty */ + /* David Bentham */ .name = "Hauppauge WinTV-HVR1110 DVB-T/Hybrid", .audio_clock = 0x00187de7, .tuner_type = TUNER_PHILIPS_TDA8290, @@ -3268,23 +3269,26 @@ struct saa7134_board saa7134_boards[] = { .radio_addr = ADDR_UNSET, .tuner_config = 1, .mpeg = SAA7134_MPEG_DVB, + .gpiomask = 0x0200100, .inputs = {{ .name = name_tv, .vmux = 1, .amux = TV, .tv = 1, - },{ - .name = name_comp1, - .vmux = 3, - .amux = LINE2, /* FIXME: audio doesn't work on svideo/composite */ - },{ - .name = name_svideo, - .vmux = 8, - .amux = LINE2, /* FIXME: audio doesn't work on svideo/composite */ - }}, + .gpio = 0x0000100, + }, { + .name = name_comp1, + .vmux = 3, + .amux = LINE1, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE1, + } }, .radio = { .name = name_radio, - .amux = TV, + .amux = TV, + .gpio = 0x0200100, }, }, [SAA7134_BOARD_CINERGY_HT_PCMCIA] = { -- GitLab From 27cf8fd14e44d17b22f3591ef65d6920fb9e0409 Mon Sep 17 00:00:00 2001 From: Shane Date: Thu, 11 Sep 2008 16:14:09 -0300 Subject: [PATCH 3952/6244] V4L/DVB (9058): spca561: while balance -> white balance typo Cc: Jean-Francois Moine Cc: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/spca561.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 95fcfcb9e31b..e9b0d81f938f 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -1064,7 +1064,7 @@ static struct ctrl sd_ctrls_12a[] = { { .id = V4L2_CID_DO_WHITE_BALANCE, .type = V4L2_CTRL_TYPE_INTEGER, - .name = "While Balance", + .name = "White Balance", .minimum = WHITE_MIN, .maximum = WHITE_MAX, .step = 1, -- GitLab From bf1ece6a4f30f05b227f2ec59fa0d45b5db186d2 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 26 Jun 2008 17:03:00 -0300 Subject: [PATCH 3953/6244] V4L/DVB (9059): saa7134: Add support for Encore version 5.3 board Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/common/ir-keymaps.c | 43 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-cards.c | 43 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-input.c | 6 +++ drivers/media/video/saa7134/saa7134.h | 1 + include/media/ir-common.h | 1 + 6 files changed, 95 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index c121f44aefc0..143836403938 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -146,3 +146,4 @@ 145 -> AVerMedia MiniPCI DVB-T Hybrid M103 [1461:f636] 146 -> ASUSTeK P7131 Analog 147 -> Asus Tiger 3in1 [1043:4878] +148 -> Encore ENLTV-FM v5.3 [1a7f:2008] diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index aedfabd57388..891f3b30be06 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -2288,3 +2288,46 @@ IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE] = { [0x2a] = KEY_MENU, }; EXPORT_SYMBOL_GPL(ir_codes_avermedia_a16d); + +/* Encore ENLTV-FM v5.3 + Mauro Carvalho Chehab + */ +IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE] = { + [0x10] = KEY_POWER2, + [0x06] = KEY_MUTE, + + [0x09] = KEY_1, + [0x1d] = KEY_2, + [0x1f] = KEY_3, + [0x19] = KEY_4, + [0x1b] = KEY_5, + [0x11] = KEY_6, + [0x17] = KEY_7, + [0x12] = KEY_8, + [0x16] = KEY_9, + [0x48] = KEY_0, + + [0x04] = KEY_LIST, /* -/-- */ + [0x40] = KEY_LAST, /* recall */ + + [0x02] = KEY_MODE, /* TV/AV */ + [0x05] = KEY_SHUFFLE, /* SNAPSHOT */ + + [0x4c] = KEY_CHANNELUP, /* UP */ + [0x00] = KEY_CHANNELDOWN, /* DOWN */ + [0x0d] = KEY_VOLUMEUP, /* RIGHT */ + [0x15] = KEY_VOLUMEDOWN, /* LEFT */ + [0x49] = KEY_ENTER, /* OK */ + + [0x54] = KEY_RECORD, + [0x4d] = KEY_PLAY, /* pause */ + + [0x1e] = KEY_UP, /* video setting */ + [0x0e] = KEY_RIGHT, /* <- */ + [0x1a] = KEY_LEFT, /* -> */ + + [0x0a] = KEY_DOWN, /* video default */ + [0x0c] = KEY_ZOOM, /* hide pannel */ + [0x47] = KEY_SLEEP, /* shutdown */ +}; +EXPORT_SYMBOL_GPL(ir_codes_encore_enltv_fm53); diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 4f32486a10d6..3ad5b941dfb9 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3392,6 +3392,42 @@ struct saa7134_board saa7134_boards[] = { .amux = 0, }, }, + [SAA7134_BOARD_ENCORE_ENLTV_FM53] = { + .name = "Encore ENLTV-FM v5.3", + .audio_clock = 0x00200000, + .tuner_type = TUNER_TNF_5335MF, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .gpiomask = 0x7000, + .inputs = { { + .name = name_tv, + .vmux = 1, + .amux = 1, + .tv = 1, + .gpio = 0x50000, + }, { + .name = name_comp1, + .vmux = 3, + .amux = 2, + .gpio = 0x2000, + }, { + .name = name_svideo, + .vmux = 8, + .amux = 2, + .gpio = 0x2000, + } }, + .radio = { + .name = name_radio, + .vmux = 1, + .amux = 1, + }, + .mute = { + .name = name_mute, + .gpio = 0xf000, + .amux = 0, + }, + }, [SAA7134_BOARD_CINERGY_HT_PCI] = { .name = "Terratec Cinergy HT PCI", .audio_clock = 0x00187de7, @@ -5190,6 +5226,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .subdevice = 0x230f, .driver_data = SAA7134_BOARD_ENCORE_ENLTV_FM, },{ + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7130, + .subvendor = 0x1a7f, + .subdevice = 0x2008, + .driver_data = SAA7134_BOARD_ENCORE_ENLTV_FM53, + }, { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7133, .subvendor = 0x153b, @@ -5684,6 +5726,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) case SAA7134_BOARD_AVERMEDIA_A16AR: case SAA7134_BOARD_ENCORE_ENLTV: case SAA7134_BOARD_ENCORE_ENLTV_FM: + case SAA7134_BOARD_ENCORE_ENLTV_FM53: case SAA7134_BOARD_10MOONSTVMASTER3: case SAA7134_BOARD_BEHOLD_401: case SAA7134_BOARD_BEHOLD_403: diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index ac6beb2df83d..f1767309b1e8 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -509,6 +509,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) mask_keyup = 0x040000; polling = 50; // ms break; + case SAA7134_BOARD_ENCORE_ENLTV_FM53: + ir_codes = ir_codes_encore_enltv_fm53; + mask_keydown = 0x0040000; + mask_keycode = 0x00007f; + nec_gpio = 1; + break; case SAA7134_BOARD_10MOONSTVMASTER3: ir_codes = ir_codes_encore_enltv; mask_keycode = 0x5f80000; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 4005335c4f55..982003d49dda 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -270,6 +270,7 @@ struct saa7134_format { #define SAA7134_BOARD_AVERMEDIA_M103 145 #define SAA7134_BOARD_ASUSTeK_P7131_ANALOG 146 #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1 147 +#define SAA7134_BOARD_ENCORE_ENLTV_FM53 148 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 diff --git a/include/media/ir-common.h b/include/media/ir-common.h index 6f8ef35de4a4..b029987d18cf 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -153,6 +153,7 @@ extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE]; +extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE]; #endif -- GitLab From 36f6bb97caa772d7dc42250db74253e0867a444a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 26 Jun 2008 17:03:00 -0300 Subject: [PATCH 3954/6244] V4L/DVB (9060): saa7134: Add support for Avermedia PCI pure analog (M135A) Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/common/ir-keymaps.c | 50 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-cards.c | 41 +++++++++++++++++ drivers/media/video/saa7134/saa7134-input.c | 6 +++ drivers/media/video/saa7134/saa7134.h | 1 + include/media/ir-common.h | 1 + 6 files changed, 100 insertions(+) diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 143836403938..2023c4020ac7 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -147,3 +147,4 @@ 146 -> ASUSTeK P7131 Analog 147 -> Asus Tiger 3in1 [1043:4878] 148 -> Encore ENLTV-FM v5.3 [1a7f:2008] +149 -> Avermedia PCI pure analog (M135A) [1461:f11d] diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index 891f3b30be06..f061dfbc9271 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -103,6 +103,56 @@ IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE] = { EXPORT_SYMBOL_GPL(ir_codes_avermedia_dvbt); +/* Mauro Carvalho Chehab */ +IR_KEYTAB_TYPE ir_codes_avermedia_m135a[IR_KEYTAB_SIZE] = { + [0x00] = KEY_POWER2, + [0x2e] = KEY_DOT, /* '.' */ + [0x01] = KEY_MODE, /* TV/FM */ + + [0x05] = KEY_1, + [0x06] = KEY_2, + [0x07] = KEY_3, + [0x09] = KEY_4, + [0x0a] = KEY_5, + [0x0b] = KEY_6, + [0x0d] = KEY_7, + [0x0e] = KEY_8, + [0x0f] = KEY_9, + [0x11] = KEY_0, + + [0x13] = KEY_RIGHT, /* -> */ + [0x12] = KEY_LEFT, /* <- */ + + [0x17] = KEY_SLEEP, /* Capturar Imagem */ + [0x10] = KEY_SHUFFLE, /* Amostra */ + + /* FIXME: The keys bellow aren't ok */ + + [0x43] = KEY_CHANNELUP, + [0x42] = KEY_CHANNELDOWN, + [0x1f] = KEY_VOLUMEUP, + [0x1e] = KEY_VOLUMEDOWN, + [0x0c] = KEY_ENTER, + + [0x14] = KEY_MUTE, + [0x08] = KEY_AUDIO, + + [0x03] = KEY_TEXT, + [0x04] = KEY_EPG, + [0x2b] = KEY_TV2, /* TV2 */ + + [0x1d] = KEY_RED, + [0x1c] = KEY_YELLOW, + [0x41] = KEY_GREEN, + [0x40] = KEY_BLUE, + + [0x1a] = KEY_PLAYPAUSE, + [0x19] = KEY_RECORD, + [0x18] = KEY_PLAY, + [0x1b] = KEY_STOP, +}; +EXPORT_SYMBOL_GPL(ir_codes_avermedia_m135a); + /* Attila Kondoros */ IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = { diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 3ad5b941dfb9..a16ddb21288f 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -3671,6 +3671,40 @@ struct saa7134_board saa7134_boards[] = { .tv = 1, }}, }, + [SAA7134_BOARD_AVERMEDIA_M135A] = { + .name = "Avermedia PCI pure analog (M135A)", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_PHILIPS_TDA8290, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tuner_config = 2, + .gpiomask = 0x020200000, + .inputs = {{ + .name = name_tv, + .vmux = 1, + .amux = TV, + .tv = 1, + }, { + .name = name_comp1, + .vmux = 3, + .amux = LINE1, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE1, + } }, + .radio = { + .name = name_radio, + .amux = TV, + .gpio = 0x00200000, + }, + .mute = { + .name = name_mute, + .amux = TV, + .gpio = 0x01, + }, + }, [SAA7134_BOARD_BEHOLD_401] = { /* Beholder Intl. Ltd. 2008 */ /*Dmitry Belimov */ @@ -4846,6 +4880,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .driver_data = SAA7134_BOARD_AVERMEDIA_GO_007_FM, },{ + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, + .subvendor = 0x1461, /* Avermedia Technologies Inc */ + .subdevice = 0xf11d, + .driver_data = SAA7134_BOARD_AVERMEDIA_M135A, + }, { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7130, .subvendor = PCI_VENDOR_ID_PHILIPS, @@ -5702,6 +5742,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) case SAA7134_BOARD_AVERMEDIA_STUDIO_507: case SAA7134_BOARD_AVERMEDIA_GO_007_FM: case SAA7134_BOARD_AVERMEDIA_777: + case SAA7134_BOARD_AVERMEDIA_M135A: /* case SAA7134_BOARD_SABRENT_SBTTVFM: */ /* not finished yet */ case SAA7134_BOARD_VIDEOMATE_TV_PVR: case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index f1767309b1e8..0fded7511eaf 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -401,6 +401,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) saa_setb(SAA7134_GPIO_GPMODE0, 0x4); saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); break; + case SAA7134_BOARD_AVERMEDIA_M135A: + ir_codes = ir_codes_avermedia_m135a; + mask_keydown = 0x0040000; + mask_keycode = 0x00013f; + nec_gpio = 1; + break; case SAA7134_BOARD_AVERMEDIA_777: case SAA7134_BOARD_AVERMEDIA_A16AR: ir_codes = ir_codes_avermedia; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 982003d49dda..caf055ce3106 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -271,6 +271,7 @@ struct saa7134_format { #define SAA7134_BOARD_ASUSTeK_P7131_ANALOG 146 #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1 147 #define SAA7134_BOARD_ENCORE_ENLTV_FM53 148 +#define SAA7134_BOARD_AVERMEDIA_M135A 149 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 diff --git a/include/media/ir-common.h b/include/media/ir-common.h index b029987d18cf..54a57d0c73e7 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -110,6 +110,7 @@ void ir_rc5_timer_keyup(unsigned long data); extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE]; +extern IR_KEYTAB_TYPE ir_codes_avermedia_m135a[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE]; -- GitLab From 9b0001913983de65af17eee8baf02283160f5a69 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Thu, 26 Jun 2008 17:03:00 -0300 Subject: [PATCH 3955/6244] V4L/DVB (9061): saa7134: Add support for Real Audio 220 Thanks to Sistema Fenix (http://www.sistemafenix.com.br/) for sponsoring this development. Signed-off-by: Gilberto Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 1 + drivers/media/common/ir-keymaps.c | 40 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-cards.c | 36 +++++++++++++++++++ drivers/media/video/saa7134/saa7134-input.c | 6 ++++ drivers/media/video/saa7134/saa7134.h | 1 + include/media/ir-common.h | 2 +- 6 files changed, 85 insertions(+), 1 deletion(-) diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 2023c4020ac7..aa06151a2efb 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -146,5 +146,6 @@ 145 -> AVerMedia MiniPCI DVB-T Hybrid M103 [1461:f636] 146 -> ASUSTeK P7131 Analog 147 -> Asus Tiger 3in1 [1043:4878] +147 -> Zogis Real Angel 220 148 -> Encore ENLTV-FM v5.3 [1a7f:2008] 149 -> Avermedia PCI pure analog (M135A) [1461:f11d] diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index f061dfbc9271..b7ed88c59b54 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -2381,3 +2381,43 @@ IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE] = { [0x47] = KEY_SLEEP, /* shutdown */ }; EXPORT_SYMBOL_GPL(ir_codes_encore_enltv_fm53); + +/* Zogis Real Audio 220 - 32 keys IR */ +IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE] = { + [0x1c] = KEY_RADIO, + [0x12] = KEY_POWER2, + + [0x01] = KEY_1, + [0x02] = KEY_2, + [0x03] = KEY_3, + [0x04] = KEY_4, + [0x05] = KEY_5, + [0x06] = KEY_6, + [0x07] = KEY_7, + [0x08] = KEY_8, + [0x09] = KEY_9, + [0x00] = KEY_0, + + [0x0c] = KEY_VOLUMEUP, + [0x18] = KEY_VOLUMEDOWN, + [0x0b] = KEY_CHANNELUP, + [0x15] = KEY_CHANNELDOWN, + [0x16] = KEY_ENTER, + + [0x11] = KEY_LIST, /* Source */ + [0x0d] = KEY_AUDIO, /* stereo */ + + [0x0f] = KEY_PREVIOUS, /* Prev */ + [0x1b] = KEY_PAUSE, /* Timeshift */ + [0x1a] = KEY_NEXT, /* Next */ + + [0x0e] = KEY_STOP, + [0x1f] = KEY_PLAY, + [0x1e] = KEY_PLAYPAUSE, /* Pause */ + + [0x1d] = KEY_RECORD, + [0x13] = KEY_MUTE, + [0x19] = KEY_SHUFFLE, /* Snapshot */ + +}; +EXPORT_SYMBOL_GPL(ir_codes_real_audio_220_32_keys); diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index a16ddb21288f..2a5e0dbc4d48 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4513,6 +4513,41 @@ struct saa7134_board saa7134_boards[] = { .gpio = 0x0200000, }, }, + [SAA7134_BOARD_REAL_ANGEL_220] = { + .name = "Zogis Real Angel 220", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_TNF_5335MF, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .gpiomask = 0x801a8087, + .inputs = { { + .name = name_tv, + .vmux = 3, + .amux = LINE2, + .tv = 1, + .gpio = 0x624000, + }, { + .name = name_comp1, + .vmux = 1, + .amux = LINE1, + .gpio = 0x624000, + }, { + .name = name_svideo, + .vmux = 1, + .amux = LINE1, + .gpio = 0x624000, + } }, + .radio = { + .name = name_radio, + .amux = LINE2, + .gpio = 0x624001, + }, + .mute = { + .name = name_mute, + .amux = TV, + }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -5780,6 +5815,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) case SAA7134_BOARD_BEHOLD_505FM: case SAA7134_BOARD_BEHOLD_507_9FM: case SAA7134_BOARD_GENIUS_TVGO_A11MCE: + case SAA7134_BOARD_REAL_ANGEL_220: dev->has_remote = SAA7134_REMOTE_GPIO; break; case SAA7134_BOARD_FLYDVBS_LR300: diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index 0fded7511eaf..72a1c67a8c39 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -533,6 +533,12 @@ int saa7134_input_init1(struct saa7134_dev *dev) mask_keydown = 0xf00000; polling = 50; /* ms */ break; + case SAA7134_BOARD_REAL_ANGEL_220: + ir_codes = ir_codes_real_audio_220_32_keys; + mask_keycode = 0x3f00; + mask_keyup = 0x4000; + polling = 50; /* ms */ + break; } if (NULL == ir_codes) { printk("%s: Oops: IR config error [card=%d]\n", diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index caf055ce3106..c17919a16952 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -272,6 +272,7 @@ struct saa7134_format { #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1 147 #define SAA7134_BOARD_ENCORE_ENLTV_FM53 148 #define SAA7134_BOARD_AVERMEDIA_M135A 149 +#define SAA7134_BOARD_REAL_ANGEL_220 147 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 diff --git a/include/media/ir-common.h b/include/media/ir-common.h index 54a57d0c73e7..436360ed0b11 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -155,7 +155,7 @@ extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE]; - +extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE]; #endif /* -- GitLab From a31d2bb773f23f55cc6713f2d1a9b60977bb8f89 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 29 Sep 2008 12:08:29 -0300 Subject: [PATCH 3956/6244] V4L/DVB (9062): Add support for Prolink Pixelview Global Extreme Thanks to Sidney Matias for getting GPIO values and testing on this device. Cc: Sidney Matias Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 1 + drivers/media/video/cx88/cx88-cards.c | 39 ++++++++++++++++++++++++- drivers/media/video/cx88/cx88-input.c | 1 + drivers/media/video/cx88/cx88.h | 1 + 4 files changed, 41 insertions(+), 1 deletion(-) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index 075650c95fe6..50d0b1c559a9 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -72,3 +72,4 @@ 71 -> Omicom SS4 DVB-S/S2 PCI [A044:2011] 72 -> TBS 8920 DVB-S/S2 [8920:8888] 73 -> TeVii S420 DVB-S [d420:9022] + 74 -> Prolink Pixelview Global Extreme [1554:4976] diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index b5a25094c9e5..9f7210801524 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1628,6 +1628,36 @@ static const struct cx88_board cx88_boards[] = { .gpio2 = 0x0cfb, }, }, + [CX88_BOARD_PROLINK_PV_GLOBAL_XTREME] = { + .name = "Prolink Pixelview Global Extreme", + .tuner_type = TUNER_XC2028, + .tuner_addr = 0x61, + .input = { { + .type = CX88_VMUX_TELEVISION, + .vmux = 0, + .gpio0 = 0x04fb, + .gpio1 = 0x04080, + .gpio2 = 0x0cf7, + }, { + .type = CX88_VMUX_COMPOSITE1, + .vmux = 1, + .gpio0 = 0x04fb, + .gpio1 = 0x04080, + .gpio2 = 0x0cfb, + }, { + .type = CX88_VMUX_SVIDEO, + .vmux = 2, + .gpio0 = 0x04fb, + .gpio1 = 0x04080, + .gpio2 = 0x0cfb, + } }, + .radio = { + .type = CX88_RADIO, + .gpio0 = 0x04ff, + .gpio1 = 0x04080, + .gpio2 = 0x0cf7, + }, + }, /* Both radio, analog and ATSC work with this board. However, for analog to work, s5h1409 gate should be open, otherwise, tuner-xc3028 won't be detected. @@ -2125,6 +2155,10 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0x1554, .subdevice = 0x4935, .card = CX88_BOARD_PROLINK_PV_8000GT, + }, { + .subvendor = 0x1554, + .subdevice = 0x4976, + .card = CX88_BOARD_PROLINK_PV_GLOBAL_XTREME, }, { .subvendor = 0x17de, .subdevice = 0x08c1, @@ -2429,6 +2463,7 @@ static int cx88_xc2028_tuner_callback(struct cx88_core *core, return cx88_xc3028_geniatech_tuner_callback(core, command, arg); case CX88_BOARD_PROLINK_PV_8000GT: + case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: return cx88_pv_8000gt_callback(core, command, arg); case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO: case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: @@ -2582,6 +2617,7 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core) udelay(1000); break; + case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: case CX88_BOARD_PROLINK_PV_8000GT: cx_write(MO_GP2_IO, 0xcf7); mdelay(50); @@ -2629,9 +2665,10 @@ void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl) case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: ctl->demod = XC3028_FE_OREN538; break; + case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: case CX88_BOARD_PROLINK_PV_8000GT: /* - * This board uses non-MTS firmware + * Those boards uses non-MTS firmware */ break; default: diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index 13bc5d160761..8683d104de72 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -261,6 +261,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci) ir->polling = 1; /* ms */ break; case CX88_BOARD_PROLINK_PV_8000GT: + case CX88_BOARD_PROLINK_PV_GLOBAL_XTREME: ir_codes = ir_codes_pixelview_new; ir->gpio_addr = MO_GP1_IO; ir->mask_keycode = 0x3f; diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 30b750ee8564..6420fb7615b1 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -227,6 +227,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_OMICOM_SS4_PCI 71 #define CX88_BOARD_TBS_8920 72 #define CX88_BOARD_TEVII_S420 73 +#define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From f689d9083a3a46ae3801c37d0dbcb170fc6a9608 Mon Sep 17 00:00:00 2001 From: Adam Glover Date: Tue, 6 May 2008 03:20:27 -0300 Subject: [PATCH 3957/6244] V4L/DVB (9063): Add ADS Tech Instant HDTV PCI support Add PCI ID and device specific tables for ADS Tech Instant HDTV. [mchehab@redhat.com: make checkpatch happy and fix merge conflicts] Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 3 +- drivers/media/video/saa7134/saa7134-cards.c | 31 +++++++++++++++++++++ drivers/media/video/saa7134/saa7134-dvb.c | 1 + drivers/media/video/saa7134/saa7134.h | 3 +- 4 files changed, 36 insertions(+), 2 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index aa06151a2efb..727b5f214772 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -146,6 +146,7 @@ 145 -> AVerMedia MiniPCI DVB-T Hybrid M103 [1461:f636] 146 -> ASUSTeK P7131 Analog 147 -> Asus Tiger 3in1 [1043:4878] -147 -> Zogis Real Angel 220 148 -> Encore ENLTV-FM v5.3 [1a7f:2008] 149 -> Avermedia PCI pure analog (M135A) [1461:f11d] +150 -> Zogis Real Angel 220 +151 -> ADS Tech Instant HDTV [1421:0380] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index 2a5e0dbc4d48..a2653b82e06b 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4548,6 +4548,30 @@ struct saa7134_board saa7134_boards[] = { .amux = TV, }, }, + [SAA7134_BOARD_ADS_INSTANT_HDTV_PCI] = { + .name = "ADS Tech Instant HDTV", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_PHILIPS_TUV1236D, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tda9887_conf = TDA9887_PRESENT, + .mpeg = SAA7134_MPEG_DVB, + .inputs = { { + .name = name_tv, + .vmux = 1, + .amux = TV, + .tv = 1, + }, { + .name = name_comp, + .vmux = 4, + .amux = LINE1, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE1, + } }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -5564,6 +5588,12 @@ struct pci_device_id saa7134_pci_tbl[] = { .subvendor = 0x185b, .subdevice = 0xc900, .driver_data = SAA7134_BOARD_VIDEOMATE_T750, + }, { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7133, /* SAA7135HL */ + .subvendor = 0x1421, + .subdevice = 0x0380, + .driver_data = SAA7134_BOARD_ADS_INSTANT_HDTV_PCI, }, { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7133, @@ -6195,6 +6225,7 @@ int saa7134_board_init2(struct saa7134_dev *dev) i2c_transfer(&dev->i2c_adap, &msg, 1); break; } + case SAA7134_BOARD_ADS_INSTANT_HDTV_PCI: case SAA7134_BOARD_KWORLD_ATSC110: { /* enable tuner */ diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 0dd6b988820f..2c5185778af4 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -1156,6 +1156,7 @@ static int dvb_init(struct saa7134_dev *dev) dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, NULL, DVB_PLL_TDHU2); break; + case SAA7134_BOARD_ADS_INSTANT_HDTV_PCI: case SAA7134_BOARD_KWORLD_ATSC110: dev->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110, &dev->i2c_adap); diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index c17919a16952..0907c70dc48a 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -272,7 +272,8 @@ struct saa7134_format { #define SAA7134_BOARD_ASUSTeK_TIGER_3IN1 147 #define SAA7134_BOARD_ENCORE_ENLTV_FM53 148 #define SAA7134_BOARD_AVERMEDIA_M135A 149 -#define SAA7134_BOARD_REAL_ANGEL_220 147 +#define SAA7134_BOARD_REAL_ANGEL_220 150 +#define SAA7134_BOARD_ADS_INSTANT_HDTV_PCI 151 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 -- GitLab From 3de2ed127013219efc439c0d052d1cc825da88c2 Mon Sep 17 00:00:00 2001 From: Dmitri Belimov Date: Mon, 29 Sep 2008 02:25:40 -0300 Subject: [PATCH 3958/6244] V4L/DVB (9065): saa7134: fix I2C remote controls on saa7134 This is patch for solve this regression. Load ir-kbd-i2c module when remote is i2c type. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 12872c042f3a..b686bfabbde0 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -699,6 +699,10 @@ static int saa7134_hw_enable2(struct saa7134_dev *dev) irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A; } + if (dev->has_remote == SAA7134_REMOTE_I2C) { + request_module("ir-kbd-i2c"); + } + saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, irq2_mask); -- GitLab From 3f6014fc77c3630d2511302e19f4f02af1605947 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?St=C3=A9phane=20Voltz?= Date: Fri, 5 Sep 2008 14:33:54 -0300 Subject: [PATCH 3959/6244] V4L/DVB (9066): Pinnacle Hybrid PCTV Pro (pctv310c) DVB-T support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch against latest mercurial makes DVB-T working on Pinnacle Hybrid PCTV Pro (pctv310c). In cx88-dvb.c, a specific zl10353_config is created with the if2 inferred from the old comment in the currently used config. It is then used for attach, and i2c_gate_ctrl is set to NULL. The entry in cx88-cards.c is modified with GPIO gathered from windows with regspy, and DVB enabled. The frontend is set to XC3028_FE_ZARLINK456 to match the zl10353_config. It is working great with the freeview channels I can receive. Signed-off-by: Stéphane Voltz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 16 ++++++++++++++++ drivers/media/video/cx88/cx88-dvb.c | 15 ++++++++++++--- 2 files changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 9f7210801524..369ba69cd0b4 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1449,15 +1449,26 @@ static const struct cx88_board cx88_boards[] = { .name = "Pinnacle Hybrid PCTV", .tuner_type = TUNER_XC2028, .tuner_addr = 0x61, + .radio_type = TUNER_XC2028, + .radio_addr = 0x61, .input = { { .type = CX88_VMUX_TELEVISION, .vmux = 0, + .gpio0 = 0x004ff, + .gpio1 = 0x010ff, + .gpio2 = 0x00001, }, { .type = CX88_VMUX_COMPOSITE1, .vmux = 1, + .gpio0 = 0x004fb, + .gpio1 = 0x010ef, + .audioroute = 1, }, { .type = CX88_VMUX_SVIDEO, .vmux = 2, + .gpio0 = 0x004fb, + .gpio1 = 0x010ef, + .audioroute = 1, } }, .radio = { .type = CX88_RADIO, @@ -1465,6 +1476,7 @@ static const struct cx88_board cx88_boards[] = { .gpio1 = 0x010ff, .gpio2 = 0x0ff, }, + .mpeg = CX88_MPEG_DVB, }, [CX88_BOARD_WINFAST_TV2000_XP_GLOBAL] = { .name = "Winfast TV2000 XP Global", @@ -2671,6 +2683,10 @@ void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl) * Those boards uses non-MTS firmware */ break; + case CX88_BOARD_PINNACLE_HYBRID_PCTV: + ctl->demod = XC3028_FE_ZARLINK456; + ctl->mts = 1; + break; default: ctl->demod = XC3028_FE_OREN538; ctl->mts = 1; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 6751f36e061e..cccf38222a31 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -454,6 +454,12 @@ static struct xc5000_config pinnacle_pctv_hd_800i_tuner_config = { .if_khz = 5380, }; +static struct zl10353_config cx88_pinnacle_hybrid_pctv = { + .demod_address = (0x1e >> 1), + .no_tuner = 1, + .if2 = 45600, +}; + static struct zl10353_config cx88_geniatech_x8000_mt = { .demod_address = (0x1e >> 1), .no_tuner = 1, @@ -890,10 +896,13 @@ static int dvb_register(struct cx8802_dev *dev) break; case CX88_BOARD_PINNACLE_HYBRID_PCTV: dev->dvb.frontend = dvb_attach(zl10353_attach, - &cx88_geniatech_x8000_mt, + &cx88_pinnacle_hybrid_pctv, &core->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) - goto frontend_detach; + if (dev->dvb.frontend) { + dev->dvb.frontend->ops.i2c_gate_ctrl = NULL; + if (attach_xc3028(0x61, dev) < 0) + goto frontend_detach; + } break; case CX88_BOARD_GENIATECH_X8000_MT: dev->ts_gen_cntrl = 0x00; -- GitLab From 1dc7b76a89ea639a575c33710879c425d416dbdb Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Wed, 24 Sep 2008 22:48:53 -0300 Subject: [PATCH 3960/6244] V4L/DVB (9067): Kconfig correction for USB card modification with SI2109/2110 demodulator. Kconfig correction for USB card modification with SI2109/2110 demodulator. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 5880f2d4513f..241c9ab54b1b 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -254,6 +254,7 @@ config DVB_USB_DW2102 select DVB_PLL if !DVB_FE_CUSTOMISE select DVB_STV0299 if !DVB_FE_CUSTOMISE select DVB_CX24116 if !DVB_FE_CUSTOMISE + select DVB_SI21XX if !DVB_FE_CUSTOMISE help Say Y here to support the DvbWorld DVB-S/S2 USB2.0 receivers and the TeVii S650. -- GitLab From f907c0207924dd598db37092d331738e3fcb9fbd Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Wed, 24 Sep 2008 23:18:27 -0300 Subject: [PATCH 3961/6244] V4L/DVB (9068): Kconfig dependency fix for DW2002 card with ST STV0288 demodulator. Kconfig dependency fix for DW2002 card with ST STV0288 demodulator. Signed-off-by: Igor M. Liplianin Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dm1105/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/dvb/dm1105/Kconfig b/drivers/media/dvb/dm1105/Kconfig index 2af5fffe138e..1332301ef3ae 100644 --- a/drivers/media/dvb/dm1105/Kconfig +++ b/drivers/media/dvb/dm1105/Kconfig @@ -3,6 +3,8 @@ config DVB_DM1105 depends on DVB_CORE && PCI && I2C select DVB_PLL if !DVB_FE_CUSTOMISE select DVB_STV0299 if !DVB_FE_CUSTOMISE + select DVB_STV0288 if !DVB_FE_CUSTOMISE + select DVB_STB6000 if !DVB_FE_CUSTOMISE select DVB_CX24116 if !DVB_FE_CUSTOMISE select DVB_SI21XX if !DVB_FE_CUSTOMISE help -- GitLab From 3e01084519a678b410df247581a51eeb1bbf11d5 Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Thu, 25 Sep 2008 16:51:11 -0300 Subject: [PATCH 3962/6244] V4L/DVB (9069): cx88: Bugfix: all client disconnects put the frontend to sleep. From the author: "This fixes the problem where previously all client disconnects put the analogue frontend into standby. In the following example, the first command is succesfully watching TV but the second command which returns EBUSY detunes the receiver by entering it into the standby state. tvtime -d /dev/video0 & cat /dev/video0 " Signed-off-by: Steven Toth Signed-off-by: Darron Broad Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-video.c | 5 ++++- drivers/media/video/cx88/cx88.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 61e03d4703f6..be45955dff68 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -839,6 +839,8 @@ static int video_open(struct inode *inode, struct file *file) } unlock_kernel(); + atomic_inc(&core->users); + return 0; } @@ -926,7 +928,8 @@ static int video_release(struct inode *inode, struct file *file) file->private_data = NULL; kfree(fh); - cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL); + if(atomic_dec_and_test(&dev->core->users)) + cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL); return 0; } diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 6420fb7615b1..dce7d36edb42 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -349,6 +349,7 @@ struct cx88_core { struct mutex lock; /* various v4l controls */ u32 freq; + atomic_t users; /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ struct cx8802_dev *dvbdev; -- GitLab From 459702bf98ae2bd20bad1e271c615aca4972c609 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 26 Sep 2008 00:04:52 -0300 Subject: [PATCH 3963/6244] V4L/DVB (9070): S2API: Removed the typedef for the commands, used defines instead. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/frontend.h | 57 ++++++++++++++---------------------- 1 file changed, 22 insertions(+), 35 deletions(-) diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index c822bc156c48..7c17c71edb59 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -246,41 +246,28 @@ struct dvb_frontend_event { struct dvb_frontend_parameters parameters; }; -/* TODO: Turn this into a series of defines, so future maintainers - * don't insert random new commands and break backwards - * binary compatability. - */ -typedef enum dtv_cmd_types { - DTV_UNDEFINED, - DTV_TUNE, - DTV_CLEAR, - - DTV_FREQUENCY, - DTV_MODULATION, - - /* XXX PB: I would like to have field which describes the - * bandwidth of a channel in Hz or kHz - maybe we can remove the - * DTV_BANDWIDTH now and put a compat layer */ - DTV_BANDWIDTH_HZ, - - DTV_INVERSION, - DTV_DISEQC_MASTER, - DTV_SYMBOL_RATE, - DTV_INNER_FEC, - DTV_VOLTAGE, - DTV_TONE, - DTV_PILOT, - DTV_ROLLOFF, - - DTV_DISEQC_SLAVE_REPLY, - - /* Basic enumeration set for querying unlimited capabilities */ - DTV_FE_CAPABILITY_COUNT, - DTV_FE_CAPABILITY, - - /* New commands are always appended */ - DTV_DELIVERY_SYSTEM, -} dtv_cmd_types_t; +/* S2API Commands */ +#define DTV_UNDEFINED 0 +#define DTV_TUNE 1 +#define DTV_CLEAR 2 +#define DTV_FREQUENCY 3 +#define DTV_MODULATION 4 +#define DTV_BANDWIDTH_HZ 5 +#define DTV_INVERSION 6 +#define DTV_DISEQC_MASTER 7 +#define DTV_SYMBOL_RATE 8 +#define DTV_INNER_FEC 9 +#define DTV_VOLTAGE 10 +#define DTV_TONE 11 +#define DTV_PILOT 12 +#define DTV_ROLLOFF 13 +#define DTV_DISEQC_SLAVE_REPLY 14 + +/* Basic enumeration set for querying unlimited capabilities */ +#define DTV_FE_CAPABILITY_COUNT 15 +#define DTV_FE_CAPABILITY 16 +#define DTV_DELIVERY_SYSTEM 17 + typedef enum fe_pilot { PILOT_ON, -- GitLab From d48cb402a1ba48c4ad4a36c3c561386027318459 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 26 Sep 2008 00:16:25 -0300 Subject: [PATCH 3964/6244] V4L/DVB (9071): S2API: Implement result codes for individual commands This allows application developers to determine which particular command in a sequence is invalid, or failing with error. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 12 ++++++++---- include/linux/dvb/frontend.h | 1 + 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 7da25372078c..0ef9c2a2af87 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1262,8 +1262,10 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, goto out; } - for (i = 0; i < tvps->num; i++) - err |= dtv_property_process_set(fe, tvp + i, inode, file); + for (i = 0; i < tvps->num; i++) { + (tvp + i)->result = dtv_property_process_set(fe, tvp + i, inode, file); + err |= (tvp + i)->result; + } if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); @@ -1295,8 +1297,10 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, goto out; } - for (i = 0; i < tvps->num; i++) - err |= dtv_property_process_get(fe, tvp + i, inode, file); + for (i = 0; i < tvps->num; i++) { + (tvp + i)->result = dtv_property_process_get(fe, tvp + i, inode, file); + err |= (tvp + i)->result; + } if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 7c17c71edb59..b561626fc8a0 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -323,6 +323,7 @@ struct dtv_property { void *reserved2; } buffer; } u; + int result; } __attribute__ ((packed)); /* No more than 16 properties during any given ioctl */ -- GitLab From eacf8d8d6bc6798f6870a2cf2c159bfcde3759ac Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Fri, 26 Sep 2008 00:29:49 -0300 Subject: [PATCH 3965/6244] V4L/DVB (9072): S2API: Add DTV_API_VERSION command This allows application developers to query the dvb-core API version dynamically, helping developers understand whether certain features will be available. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 9 +++++++++ include/linux/dvb/frontend.h | 1 + include/linux/dvb/version.h | 4 ++-- 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 0ef9c2a2af87..4c3f0d7e355c 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -40,6 +40,7 @@ #include "dvb_frontend.h" #include "dvbdev.h" +#include static int dvb_frontend_debug; static int dvb_shutdown_timeout; @@ -836,6 +837,11 @@ struct dtv_cmds_h dtv_cmds[] = { .set = 0, .buffer = 1, }, + [DTV_API_VERSION] = { + .name = "DTV_API_VERSION", + .cmd = DTV_API_VERSION, + .set = 0, + }, }; void dtv_property_dump(struct dtv_property *tvp) @@ -1104,6 +1110,9 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_TONE: tvp->u.data = fe->dtv_property_cache.sectone; break; + case DTV_API_VERSION: + tvp->u.data = (DVB_API_VERSION << 8) | DVB_API_VERSION_MINOR; + break; default: r = -1; } diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index b561626fc8a0..eb98f8c37cad 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -268,6 +268,7 @@ struct dvb_frontend_event { #define DTV_FE_CAPABILITY 16 #define DTV_DELIVERY_SYSTEM 17 +#define DTV_API_VERSION 35 typedef enum fe_pilot { PILOT_ON, diff --git a/include/linux/dvb/version.h b/include/linux/dvb/version.h index 126e0c26cb09..25b823b81734 100644 --- a/include/linux/dvb/version.h +++ b/include/linux/dvb/version.h @@ -23,7 +23,7 @@ #ifndef _DVBVERSION_H_ #define _DVBVERSION_H_ -#define DVB_API_VERSION 3 -#define DVB_API_VERSION_MINOR 2 +#define DVB_API_VERSION 5 +#define DVB_API_VERSION_MINOR 0 #endif /*_DVBVERSION_H_*/ -- GitLab From 3c41cb77f4be3076fdbcf9a417052c3c6ce78094 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Wed, 10 Sep 2008 02:57:09 -0300 Subject: [PATCH 3966/6244] V4L/DVB (9074): gspca: sonixj webcam 0c45:60fe added. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 1d6f2ee1eec8..2ca4d9f23fe4 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1637,7 +1637,9 @@ static const __devinitdata struct usb_device_id device_table[] = { /* {USB_DEVICE(0x0c45, 0x60fa), BSI(SN9C105, OV7648, 0x??)}, */ {USB_DEVICE(0x0c45, 0x60fb), BSI(SN9C105, OV7660, 0x21)}, {USB_DEVICE(0x0c45, 0x60fc), BSI(SN9C105, HV7131R, 0x11)}, -/* {USB_DEVICE(0x0c45, 0x60fe), BSI(SN9C105, OV7630, 0x??)}, */ +#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE + {USB_DEVICE(0x0c45, 0x60fe), BSI(SN9C105, OV7630, 0x21)}, +#endif /* {USB_DEVICE(0x0c45, 0x6108), BSI(SN9C120, OM6801, 0x??)}, */ /* {USB_DEVICE(0x0c45, 0x6122), BSI(SN9C110, ICM105C, 0x??)}, */ /* {USB_DEVICE(0x0c45, 0x6123), BSI(SN9C110, SanyoCCD, 0x??)}, */ -- GitLab From 117a45a85e8c250a45674f81aadd68d77281e57b Mon Sep 17 00:00:00 2001 From: Shane Date: Mon, 15 Sep 2008 04:18:51 -0300 Subject: [PATCH 3967/6244] V4L/DVB (9076): gspca: USB direction lacking in spca561. Signed-off-by: Shane Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/spca561.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index e9b0d81f938f..4d8e2c0018b1 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -152,7 +152,7 @@ static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value) ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, /* request */ - USB_TYPE_VENDOR | USB_RECIP_DEVICE, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, NULL, 0, 500); PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value); if (ret < 0) -- GitLab From 9de436cfc4e966652f8804f0dda8d338ca7fe89c Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Mon, 15 Sep 2008 05:20:38 -0300 Subject: [PATCH 3968/6244] V4L/DVB (9077): gspca: Set the right V4L2_DEBUG values in the main driver. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 58761d9809f7..e4c998965ab2 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -843,9 +843,11 @@ static int dev_open(struct inode *inode, struct file *file) #ifdef GSPCA_DEBUG /* activate the v4l2 debug */ if (gspca_debug & D_V4L2) - gspca_dev->vdev.debug |= 3; + gspca_dev->vdev.debug |= V4L2_DEBUG_IOCTL + | V4L2_DEBUG_IOCTL_ARG; else - gspca_dev->vdev.debug &= ~3; + gspca_dev->vdev.debug &= ~(V4L2_DEBUG_IOCTL + | V4L2_DEBUG_IOCTL_ARG); #endif ret = 0; out: -- GitLab From 1b60e1adc713e8d375dc117f5c3b5032d5b79abe Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 20 Sep 2008 05:44:21 -0300 Subject: [PATCH 3969/6244] V4L/DVB (9078): gspca: New exported function to retrieve the current frame buffer. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 33 ++++++++++++++++++++----------- drivers/media/video/gspca/gspca.h | 1 + 2 files changed, 22 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index e4c998965ab2..4694dc14a249 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -102,6 +102,22 @@ static struct vm_operations_struct gspca_vm_ops = { .close = gspca_vm_close, }; +/* get the current input frame buffer */ +struct gspca_frame *gspca_get_i_frame(struct gspca_dev *gspca_dev) +{ + struct gspca_frame *frame; + int i; + + i = gspca_dev->fr_i; + i = gspca_dev->fr_queue[i]; + frame = &gspca_dev->frame[i]; + if ((frame->v4l2_buf.flags & BUF_ALL_FLAGS) + != V4L2_BUF_FLAG_QUEUED) + return NULL; + return frame; +} +EXPORT_SYMBOL(gspca_get_i_frame); + /* * fill a video frame from an URB and resubmit */ @@ -110,7 +126,7 @@ static void fill_frame(struct gspca_dev *gspca_dev, { struct gspca_frame *frame; __u8 *data; /* address of data in the iso message */ - int i, j, len, st; + int i, len, st; cam_pkt_op pkt_scan; if (urb->status != 0) { @@ -124,11 +140,8 @@ static void fill_frame(struct gspca_dev *gspca_dev, for (i = 0; i < urb->number_of_packets; i++) { /* check the availability of the frame buffer */ - j = gspca_dev->fr_i; - j = gspca_dev->fr_queue[j]; - frame = &gspca_dev->frame[j]; - if ((frame->v4l2_buf.flags & BUF_ALL_FLAGS) - != V4L2_BUF_FLAG_QUEUED) { + frame = gspca_get_i_frame(gspca_dev); + if (!frame) { gspca_dev->last_packet_type = DISCARD_PACKET; break; } @@ -185,7 +198,6 @@ static void bulk_irq(struct urb *urb { struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context; struct gspca_frame *frame; - int j; PDEBUG(D_PACK, "bulk irq"); if (!gspca_dev->streaming) @@ -199,11 +211,8 @@ static void bulk_irq(struct urb *urb } /* check the availability of the frame buffer */ - j = gspca_dev->fr_i; - j = gspca_dev->fr_queue[j]; - frame = &gspca_dev->frame[j]; - if ((frame->v4l2_buf.flags & BUF_ALL_FLAGS) - != V4L2_BUF_FLAG_QUEUED) { + frame = gspca_get_i_frame(gspca_dev); + if (!frame) { gspca_dev->last_packet_type = DISCARD_PACKET; } else { PDEBUG(D_PACK, "packet l:%d", urb->actual_length); diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 78a35a88cf97..72a288573051 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -178,6 +178,7 @@ struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, struct gspca_frame *frame, const __u8 *data, int len); +struct gspca_frame *gspca_get_i_frame(struct gspca_dev *gspca_dev); #ifdef CONFIG_PM int gspca_suspend(struct usb_interface *intf, pm_message_t message); int gspca_resume(struct usb_interface *intf); -- GitLab From 72ab97cecb7225a4c9f74cdd80268b50b74697bb Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 20 Sep 2008 06:39:08 -0300 Subject: [PATCH 3970/6244] V4L/DVB (9079): gspca: Return error code from stream start functions. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/conex.c | 3 ++- drivers/media/video/gspca/etoms.c | 3 ++- drivers/media/video/gspca/gspca.c | 6 +++++- drivers/media/video/gspca/gspca.h | 2 +- drivers/media/video/gspca/mars.c | 20 +++++++++++--------- drivers/media/video/gspca/ov519.c | 5 +++-- drivers/media/video/gspca/pac207.c | 3 ++- drivers/media/video/gspca/pac7311.c | 3 ++- drivers/media/video/gspca/sonixb.c | 3 ++- drivers/media/video/gspca/sonixj.c | 3 ++- drivers/media/video/gspca/spca500.c | 3 ++- drivers/media/video/gspca/spca501.c | 3 ++- drivers/media/video/gspca/spca505.c | 3 ++- drivers/media/video/gspca/spca506.c | 3 ++- drivers/media/video/gspca/spca508.c | 3 ++- drivers/media/video/gspca/spca561.c | 6 ++++-- drivers/media/video/gspca/stk014.c | 5 +++-- drivers/media/video/gspca/sunplus.c | 3 ++- drivers/media/video/gspca/t613.c | 3 ++- drivers/media/video/gspca/tv8532.c | 3 ++- drivers/media/video/gspca/vc032x.c | 5 +++-- drivers/media/video/gspca/zc3xx.c | 3 ++- 22 files changed, 60 insertions(+), 34 deletions(-) diff --git a/drivers/media/video/gspca/conex.c b/drivers/media/video/gspca/conex.c index 4d9f4cc255a9..a9d51ba7c57c 100644 --- a/drivers/media/video/gspca/conex.c +++ b/drivers/media/video/gspca/conex.c @@ -837,12 +837,13 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { cx11646_initsize(gspca_dev); cx11646_fw(gspca_dev); cx_sensor(gspca_dev); cx11646_jpeg(gspca_dev); + return 0; } static void sd_stop0(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c index 4ff0e386914b..3be30b420a26 100644 --- a/drivers/media/video/gspca/etoms.c +++ b/drivers/media/video/gspca/etoms.c @@ -691,7 +691,7 @@ static int sd_init(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -704,6 +704,7 @@ static void sd_start(struct gspca_dev *gspca_dev) reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); et_video(gspca_dev, 1); /* video on */ + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 4694dc14a249..a286b91965fa 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -584,7 +584,11 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) goto out; /* start the cam */ - gspca_dev->sd_desc->start(gspca_dev); + ret = gspca_dev->sd_desc->start(gspca_dev); + if (ret < 0) { + destroy_urbs(gspca_dev); + goto out; + } gspca_dev->streaming = 1; atomic_set(&gspca_dev->nevent, 0); diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 72a288573051..b0bdae194bb6 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -93,7 +93,7 @@ struct sd_desc { /* mandatory operations */ cam_cf_op config; /* called on probe */ cam_op init; /* called on probe and resume */ - cam_v_op start; /* called on stream on */ + cam_op start; /* called on stream on */ cam_pkt_op pkt_scan; /* optional operations */ cam_v_op stopN; /* called on stream off - main alt */ diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 4d5db47ba8cb..277ca34a8817 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -134,7 +134,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { int err_code; __u8 *data; @@ -143,9 +143,10 @@ static void sd_start(struct gspca_dev *gspca_dev) int intpipe; PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface); - if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8) < 0) { + err_code = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8); + if (err_code < 0) { PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error"); - return; + return err_code; } data = gspca_dev->usb_buf; @@ -154,7 +155,7 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; /* Initialize the MR97113 chip register @@ -180,14 +181,14 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 11); if (err_code < 0) - return; + return err_code; data[0] = 0x23; /* address */ data[1] = 0x09; /* reg 35, append frame header */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; data[0] = 0x3c; /* address */ /* if (gspca_dev->width == 1280) */ @@ -198,7 +199,7 @@ static void sd_start(struct gspca_dev *gspca_dev) * (unit: 4KB) 200KB */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; if (0) { /* fixed dark-gain */ data[1] = 0; /* reg 94, Y Gain (1.75) */ @@ -240,13 +241,13 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 6); if (err_code < 0) - return; + return err_code; data[0] = 0x67; data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; /* * initialize the value of MI sensor... @@ -326,6 +327,7 @@ static void sd_start(struct gspca_dev *gspca_dev) data[0] = 0x00; data[1] = 0x4d; /* ISOC transfering enable... */ reg_w(gspca_dev, data[0], 2); + return err_code; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c index 4df4eec9f7e7..ca671194679e 100644 --- a/drivers/media/video/gspca/ov519.c +++ b/drivers/media/video/gspca/ov519.c @@ -1854,7 +1854,7 @@ static int set_ov_sensor_window(struct sd *sd) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int ret; @@ -1871,9 +1871,10 @@ static void sd_start(struct gspca_dev *gspca_dev) goto out; PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); ov51x_led_control(sd, 1); - return; + return 0; out: PDEBUG(D_ERR, "camera start error:%d", ret); + return ret; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/pac207.c b/drivers/media/video/gspca/pac207.c index 34e923d00b7e..0b0c573d06da 100644 --- a/drivers/media/video/gspca/pac207.c +++ b/drivers/media/video/gspca/pac207.c @@ -281,7 +281,7 @@ static int sd_init(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 mode; @@ -323,6 +323,7 @@ static void sd_start(struct gspca_dev *gspca_dev) sd->sof_read = 0; sd->autogain_ignore_frames = 0; atomic_set(&sd->avg_lum, -1); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/pac7311.c b/drivers/media/video/gspca/pac7311.c index ba865b7f1ed8..e5ff9a6199ef 100644 --- a/drivers/media/video/gspca/pac7311.c +++ b/drivers/media/video/gspca/pac7311.c @@ -675,7 +675,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; @@ -724,6 +724,7 @@ static void sd_start(struct gspca_dev *gspca_dev) reg_w(gspca_dev, 0x78, 0x01); else reg_w(gspca_dev, 0x78, 0x05); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 4328ad44c40a..6c69bc7778fc 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -892,7 +892,7 @@ static int sd_init(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct cam *cam = &gspca_dev->cam; @@ -976,6 +976,7 @@ static void sd_start(struct gspca_dev *gspca_dev) sd->frames_to_drop = 0; sd->autogain_ignore_frames = 0; atomic_set(&sd->avg_lum, -1); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 2ca4d9f23fe4..9c6a874be990 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1203,7 +1203,7 @@ static void setvflip(struct sd *sd) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i; @@ -1357,6 +1357,7 @@ static void sd_start(struct gspca_dev *gspca_dev) } setautogain(gspca_dev); reg_w1(gspca_dev, 0x01, reg1); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca500.c b/drivers/media/video/gspca/spca500.c index 6e733901fcca..bca106c153fa 100644 --- a/drivers/media/video/gspca/spca500.c +++ b/drivers/media/video/gspca/spca500.c @@ -660,7 +660,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int err; @@ -867,6 +867,7 @@ static void sd_start(struct gspca_dev *gspca_dev) write_vector(gspca_dev, Clicksmart510_defaults); break; } + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca501.c b/drivers/media/video/gspca/spca501.c index e9eb59bae4fb..b742f260c7ca 100644 --- a/drivers/media/video/gspca/spca501.c +++ b/drivers/media/video/gspca/spca501.c @@ -1980,7 +1980,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; int mode; @@ -2012,6 +2012,7 @@ static void sd_start(struct gspca_dev *gspca_dev) setbrightness(gspca_dev); setcontrast(gspca_dev); setcolors(gspca_dev); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca505.c b/drivers/media/video/gspca/spca505.c index f601daf19ebe..b345749213cf 100644 --- a/drivers/media/video/gspca/spca505.c +++ b/drivers/media/video/gspca/spca505.c @@ -688,7 +688,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; int ret; @@ -733,6 +733,7 @@ static void sd_start(struct gspca_dev *gspca_dev) /* reg_write(dev, 0x5, 0x0, 0x0); */ /* reg_write(dev, 0x5, 0x0, 0x1); */ /* reg_write(dev, 0x5, 0x11, 0x2); */ + return ret; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca506.c b/drivers/media/video/gspca/spca506.c index 195dce96ef06..645ee9d44d02 100644 --- a/drivers/media/video/gspca/spca506.c +++ b/drivers/media/video/gspca/spca506.c @@ -422,7 +422,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; __u16 norme; @@ -549,6 +549,7 @@ static void sd_start(struct gspca_dev *gspca_dev) PDEBUG(D_STREAM, "webcam started"); spca506_GetNormeInput(gspca_dev, &norme, &channel); spca506_SetNormeInput(gspca_dev, norme, channel); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c index 281ce02103a3..63ec902c895d 100644 --- a/drivers/media/video/gspca/spca508.c +++ b/drivers/media/video/gspca/spca508.c @@ -1528,7 +1528,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { int mode; @@ -1546,6 +1546,7 @@ static void sd_start(struct gspca_dev *gspca_dev) break; } reg_write(gspca_dev->dev, 0x8112, 0x10 | 0x20); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 4d8e2c0018b1..29089d9526b6 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -699,7 +699,7 @@ static void setautogain(struct gspca_dev *gspca_dev) sd->ag_cnt = -1; } -static void sd_start_12a(struct gspca_dev *gspca_dev) +static int sd_start_12a(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; int Clck = 0x8a; /* lower 0x8X values lead to fps > 30 */ @@ -725,8 +725,9 @@ static void sd_start_12a(struct gspca_dev *gspca_dev) setwhite(gspca_dev); setautogain(gspca_dev); setexposure(gspca_dev); + return 0; } -static void sd_start_72a(struct gspca_dev *gspca_dev) +static int sd_start_72a(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; int Clck; @@ -750,6 +751,7 @@ static void sd_start_72a(struct gspca_dev *gspca_dev) reg_w_val(dev, 0x8700, Clck); /* 0x27 clock */ reg_w_val(dev, 0x8112, 0x10 | 0x20); setautogain(gspca_dev); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/stk014.c b/drivers/media/video/gspca/stk014.c index 2f2de429e273..d9d64911f22a 100644 --- a/drivers/media/video/gspca/stk014.c +++ b/drivers/media/video/gspca/stk014.c @@ -324,7 +324,7 @@ static int sd_init(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { int ret, value; @@ -374,9 +374,10 @@ static void sd_start(struct gspca_dev *gspca_dev) set_par(gspca_dev, 0x01000000); set_par(gspca_dev, 0x01000000); PDEBUG(D_STREAM, "camera started alt: 0x%02x", gspca_dev->alt); - return; + return 0; out: PDEBUG(D_ERR|D_STREAM, "camera start err %d", ret); + return ret; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c index 1cfcc6c49558..bd9288665a80 100644 --- a/drivers/media/video/gspca/sunplus.c +++ b/drivers/media/video/gspca/sunplus.c @@ -961,7 +961,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; @@ -1042,6 +1042,7 @@ static void sd_start(struct gspca_dev *gspca_dev) break; } sp5xx_initContBrigHueRegisters(gspca_dev); + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c index f034c748fc7e..78c674297592 100644 --- a/drivers/media/video/gspca/t613.c +++ b/drivers/media/video/gspca/t613.c @@ -849,7 +849,7 @@ static int sd_getlowlight(struct gspca_dev *gspca_dev, __s32 *val) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { int mode; @@ -898,6 +898,7 @@ static void sd_start(struct gspca_dev *gspca_dev) setbrightness(gspca_dev); setcontrast(gspca_dev); setcolors(gspca_dev); + return 0; } static void sd_pkt_scan(struct gspca_dev *gspca_dev, diff --git a/drivers/media/video/gspca/tv8532.c b/drivers/media/video/gspca/tv8532.c index 084af05302a0..968a5911704f 100644 --- a/drivers/media/video/gspca/tv8532.c +++ b/drivers/media/video/gspca/tv8532.c @@ -390,7 +390,7 @@ static void setbrightness(struct gspca_dev *gspca_dev) } /* -- start the camera -- */ -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { reg_w_1(gspca_dev, TV8532_AD_SLOPE, 0x32); reg_w_1(gspca_dev, TV8532_AD_BITCTRL, 0x00); @@ -443,6 +443,7 @@ static void sd_start(struct gspca_dev *gspca_dev) /************************************************/ tv_8532_PollReg(gspca_dev); reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x00); /* 0x31 */ + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index 0c68f433bb9b..be46d9232540 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -1501,7 +1501,7 @@ static void setlightfreq(struct gspca_dev *gspca_dev) usb_exchange(gspca_dev, ov7660_freq_tb[sd->lightfreq]); } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; const __u8 *GammaT = NULL; @@ -1585,7 +1585,7 @@ static void sd_start(struct gspca_dev *gspca_dev) break; default: PDEBUG(D_PROBE, "Damned !! no sensor found Bye"); - return; + return -EMEDIUMTYPE; } if (GammaT && MatrixT) { put_tab_to_reg(gspca_dev, GammaT, 17, 0xb84a); @@ -1621,6 +1621,7 @@ static void sd_start(struct gspca_dev *gspca_dev) setautogain(gspca_dev); setlightfreq(gspca_dev); } + return 0; } static void sd_stopN(struct gspca_dev *gspca_dev) diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index d61ef727e0c2..d0a4451dc46f 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -7178,7 +7178,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; @@ -7331,6 +7331,7 @@ static void sd_start(struct gspca_dev *gspca_dev) reg_w(dev, 0x02, 0x0008); break; } + return 0; } static void sd_stop0(struct gspca_dev *gspca_dev) -- GitLab From 9f4c0617edcc676a5281c04bf48a305b80dd5397 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 22 Sep 2008 02:57:56 -0300 Subject: [PATCH 3971/6244] V4L/DVB (9081): gspca: Bad webcam name of 046d:092f in documentation. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/gspca.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt index 308ce4ee23d4..a845667ac437 100644 --- a/Documentation/video4linux/gspca.txt +++ b/Documentation/video4linux/gspca.txt @@ -82,7 +82,7 @@ spca561 046d:092b Labtec Webcam Plus spca561 046d:092c Logitech QC chat Elch2 spca561 046d:092d Logitech QC Elch2 spca561 046d:092e Logitech QC Elch2 -spca561 046d:092f Logitech QC Elch2 +spca561 046d:092f Logitech QuickCam Express Plus sunplus 046d:0960 Logitech ClickSmart 420 sunplus 0471:0322 Philips DMVC1300K zc3xx 0471:0325 Philips SPC 200 NC -- GitLab From 40e6ec129100041121aea2fb98590eaea4bb6ba2 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 22 Sep 2008 03:14:25 -0300 Subject: [PATCH 3972/6244] V4L/DVB (9082): gspca: Vertical flip the image by default in sonixj. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 9c6a874be990..03fe77d38cc1 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -144,7 +144,7 @@ static struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 1, .step = 1, -#define VFLIP_DEF 0 +#define VFLIP_DEF 1 .default_value = VFLIP_DEF, }, .set = sd_setvflip, -- GitLab From 3b11fa3a0651984af60cb8ff8faf0338552ece1f Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Fri, 26 Sep 2008 05:52:52 -0300 Subject: [PATCH 3973/6244] V4L/DVB (9083): gspca: URB_NO_TRANSFER_DMA_MAP is not useful for isoc transfers. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index a286b91965fa..f130bb77f705 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -540,8 +540,7 @@ static int create_urbs(struct gspca_dev *gspca_dev, if (npkt != 0) { /* ISOC */ urb->pipe = usb_rcvisocpipe(gspca_dev->dev, ep->desc.bEndpointAddress); - urb->transfer_flags = URB_ISO_ASAP - | URB_NO_TRANSFER_DMA_MAP; + urb->transfer_flags = URB_ISO_ASAP; urb->interval = ep->desc.bInterval; urb->complete = isoc_irq; urb->number_of_packets = npkt; -- GitLab From 219423c147f6d4bc91ec904debfbc556887bd8fe Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Fri, 26 Sep 2008 07:43:54 -0300 Subject: [PATCH 3974/6244] V4L/DVB (9084): gspca: Fixed a few typos in comments. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index f130bb77f705..06e501598140 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -278,7 +278,7 @@ struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, } gspca_dev->last_packet_type = packet_type; - /* if last packet, wake the application and advance in the queue */ + /* if last packet, wake up the application and advance in the queue */ if (packet_type == LAST_PACKET) { frame->v4l2_buf.bytesused = frame->data_end - frame->data; frame->v4l2_buf.flags &= ~V4L2_BUF_FLAG_QUEUED; @@ -420,7 +420,7 @@ static void destroy_urbs(struct gspca_dev *gspca_dev) } /* - * search an input transfer endpoint in an alternate setting + * look for an input transfer endpoint in an alternate setting */ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt, __u8 epaddr, @@ -444,7 +444,7 @@ static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt, } /* - * search an input (isoc or bulk) endpoint + * look for an input (isoc or bulk) endpoint * * The endpoint is defined by the subdriver. * Use only the first isoc (some Zoran - 0x0572:0x0001 - have two such ep). @@ -591,7 +591,7 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) gspca_dev->streaming = 1; atomic_set(&gspca_dev->nevent, 0); - /* start the bulk transfer is done by the subdriver */ + /* bulk transfers are started by the subdriver */ if (gspca_dev->bulk) break; @@ -626,7 +626,7 @@ static int gspca_set_alt0(struct gspca_dev *gspca_dev) return ret; } -/* Note both the queue and the usb lock should be hold when calling this */ +/* Note: both the queue and the usb locks should be held when calling this */ static void gspca_stream_off(struct gspca_dev *gspca_dev) { gspca_dev->streaming = 0; @@ -1685,7 +1685,7 @@ static ssize_t dev_read(struct file *file, char __user *data, } /* if the process slept for more than 1 second, - * get anewer frame */ + * get a newer frame */ frame = &gspca_dev->frame[v4l2_buf.index]; if (--n < 0) break; /* avoid infinite loop */ -- GitLab From 6c49da7f169c25eb39b80ff168f5bdbacf8457e1 Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Sun, 28 Sep 2008 07:43:00 -0300 Subject: [PATCH 3975/6244] V4L/DVB (9085): gspca: URB_NO_TRANSFER_DMA_MAP is required for isoc and bulk transfers. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 06e501598140..3f0fd44f19ab 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -540,7 +540,8 @@ static int create_urbs(struct gspca_dev *gspca_dev, if (npkt != 0) { /* ISOC */ urb->pipe = usb_rcvisocpipe(gspca_dev->dev, ep->desc.bEndpointAddress); - urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_flags = URB_ISO_ASAP + | URB_NO_TRANSFER_DMA_MAP; urb->interval = ep->desc.bInterval; urb->complete = isoc_irq; urb->number_of_packets = npkt; @@ -551,6 +552,7 @@ static int create_urbs(struct gspca_dev *gspca_dev, } else { /* bulk */ urb->pipe = usb_rcvbulkpipe(gspca_dev->dev, ep->desc.bEndpointAddress), + urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; urb->complete = bulk_irq; } } -- GitLab From 6b060ffea0722cfe4f5156a73a6424130d3d804a Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Sun, 28 Sep 2008 08:12:22 -0300 Subject: [PATCH 3976/6244] V4L/DVB (9086): gspca: Use a kref to avoid potentialy blocking forever in disconnect. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 39 +++++++++++++++++++++---------- drivers/media/video/gspca/gspca.h | 1 + 2 files changed, 28 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 3f0fd44f19ab..342a0f39e5d5 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -834,6 +835,16 @@ out: return ret; } +static void gspca_delete(struct kref *kref) +{ + struct gspca_dev *gspca_dev = container_of(kref, struct gspca_dev, kref); + + PDEBUG(D_STREAM, "device deleted"); + + kfree(gspca_dev->usb_buf); + kfree(gspca_dev); +} + static int dev_open(struct inode *inode, struct file *file) { struct gspca_dev *gspca_dev; @@ -853,6 +864,10 @@ static int dev_open(struct inode *inode, struct file *file) goto out; } gspca_dev->users++; + + /* one more user */ + kref_get(&gspca_dev->kref); + file->private_data = gspca_dev; #ifdef GSPCA_DEBUG /* activate the v4l2 debug */ @@ -895,7 +910,11 @@ static int dev_close(struct inode *inode, struct file *file) } file->private_data = NULL; mutex_unlock(&gspca_dev->queue_lock); + PDEBUG(D_STREAM, "close done"); + + kref_put(&gspca_dev->kref, gspca_delete); + return 0; } @@ -1809,6 +1828,7 @@ int gspca_dev_probe(struct usb_interface *intf, err("couldn't kzalloc gspca struct"); return -EIO; } + kref_init(&gspca_dev->kref); gspca_dev->usb_buf = kmalloc(USB_BUF_SZ, GFP_KERNEL); if (!gspca_dev->usb_buf) { err("out of memory"); @@ -1858,8 +1878,7 @@ int gspca_dev_probe(struct usb_interface *intf, PDEBUG(D_PROBE, "probe ok"); return 0; out: - kfree(gspca_dev->usb_buf); - kfree(gspca_dev); + kref_put(&gspca_dev->kref, gspca_delete); return ret; } EXPORT_SYMBOL(gspca_dev_probe); @@ -1874,8 +1893,8 @@ void gspca_disconnect(struct usb_interface *intf) { struct gspca_dev *gspca_dev = usb_get_intfdata(intf); - if (!gspca_dev) - return; + usb_set_intfdata(intf, NULL); + gspca_dev->present = 0; mutex_lock(&gspca_dev->queue_lock); mutex_lock(&gspca_dev->usb_lock); @@ -1883,16 +1902,12 @@ void gspca_disconnect(struct usb_interface *intf) destroy_urbs(gspca_dev); mutex_unlock(&gspca_dev->usb_lock); mutex_unlock(&gspca_dev->queue_lock); - while (gspca_dev->users != 0) { /* wait until fully closed */ - atomic_inc(&gspca_dev->nevent); - wake_up_interruptible(&gspca_dev->wq); /* wake processes */ - schedule(); - } + /* We don't want people trying to open up the device */ video_unregister_device(&gspca_dev->vdev); -/* Free the memory */ - kfree(gspca_dev->usb_buf); - kfree(gspca_dev); + + kref_put(&gspca_dev->kref, gspca_delete); + PDEBUG(D_PROBE, "disconnect complete"); } EXPORT_SYMBOL(gspca_disconnect); diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index b0bdae194bb6..192dffdcd9cd 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -121,6 +121,7 @@ struct gspca_dev { struct video_device vdev; /* !! must be the first item */ struct file_operations fops; struct usb_device *dev; + struct kref kref; struct file *capt_file; /* file doing video capture */ struct cam cam; /* device information */ -- GitLab From 95d9142c8b250b2ce0e0a283fdf54d899dcc4f3e Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 29 Sep 2008 05:57:32 -0300 Subject: [PATCH 3977/6244] V4L/DVB (9087): gspca: Image transfer by bulk uses altsetting 0 with any buffer size. - gspca_dev field 'bulk_size' added. - when only one altsetting usable, do image transfer by bulk. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 42 ++++++++++++++++++++----------- drivers/media/video/gspca/gspca.h | 2 +- 2 files changed, 28 insertions(+), 16 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 342a0f39e5d5..02824fc101d5 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -461,25 +461,34 @@ static struct usb_host_endpoint *get_ep(struct gspca_dev *gspca_dev) intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface); ep = NULL; i = gspca_dev->alt; /* previous alt setting */ + + /* try isoc */ while (--i > 0) { /* alt 0 is unusable */ ep = alt_xfer(&intf->altsetting[i], gspca_dev->cam.epaddr, - gspca_dev->bulk - ? USB_ENDPOINT_XFER_BULK - : USB_ENDPOINT_XFER_ISOC); + USB_ENDPOINT_XFER_ISOC); if (ep) break; } + + /* if no isoc, try bulk */ if (ep == NULL) { - err("no transfer endpoint found"); - return NULL; + ep = alt_xfer(&intf->altsetting[0], + gspca_dev->cam.epaddr, + USB_ENDPOINT_XFER_BULK); + if (ep == NULL) { + err("no transfer endpoint found"); + return NULL; + } } PDEBUG(D_STREAM, "use alt %d ep 0x%02x", i, ep->desc.bEndpointAddress); - ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, i); - if (ret < 0) { - err("set interface err %d", ret); - return NULL; + if (i > 0) { + ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, i); + if (ret < 0) { + err("set interface err %d", ret); + return NULL; + } } gspca_dev->alt = i; /* memorize the current alt setting */ return ep; @@ -497,9 +506,10 @@ static int create_urbs(struct gspca_dev *gspca_dev, /* calculate the packet size and the number of packets */ psize = le16_to_cpu(ep->desc.wMaxPacketSize); - /* See paragraph 5.9 / table 5-11 of the usb 2.0 spec. */ - psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); - if (!gspca_dev->bulk) { + if (gspca_dev->alt != 0) { /* isoc */ + + /* See paragraph 5.9 / table 5-11 of the usb 2.0 spec. */ + psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); npkt = ISO_MAX_SIZE / psize; if (npkt > ISO_MAX_PKT) npkt = ISO_MAX_PKT; @@ -508,9 +518,11 @@ static int create_urbs(struct gspca_dev *gspca_dev, "isoc %d pkts size %d = bsize:%d", npkt, psize, bsize); nurbs = DEF_NURBS; - } else { + } else { /* bulk */ npkt = 0; - bsize = psize; + bsize = gspca_dev->cam. bulk_size; + if (bsize == 0) + bsize = psize; PDEBUG(D_STREAM, "bulk bsize:%d", bsize); nurbs = 1; } @@ -595,7 +607,7 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) atomic_set(&gspca_dev->nevent, 0); /* bulk transfers are started by the subdriver */ - if (gspca_dev->bulk) + if (gspca_dev->alt == 0) break; /* submit the URBs */ diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 192dffdcd9cd..f9006542c58f 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -56,6 +56,7 @@ extern int gspca_debug; /* device information - set at probe time */ struct cam { + int bulk_size; /* buffer size when image transfer by bulk */ struct v4l2_pix_format *cam_mode; /* size nmodes */ char nmodes; __u8 epaddr; @@ -144,7 +145,6 @@ struct gspca_dev { __u8 iface; /* USB interface number */ __u8 alt; /* USB alternate setting */ - __u8 bulk; /* image transfer by isoc (0) or bulk (1) */ __u8 curr_mode; /* current camera mode */ __u32 pixfmt; /* current mode parameters */ __u16 width; -- GitLab From 97076859590ada76dc4bee46b6ccad86d89e82cf Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Mon, 29 Sep 2008 06:59:36 -0300 Subject: [PATCH 3978/6244] V4L/DVB (9088): gspca: New subdriver 'finepix' added. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/gspca.txt | 23 ++ drivers/media/video/gspca/Makefile | 3 +- drivers/media/video/gspca/finepix.c | 465 ++++++++++++++++++++++++++++ 3 files changed, 490 insertions(+), 1 deletion(-) create mode 100644 drivers/media/video/gspca/finepix.c diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt index a845667ac437..04c612eb897c 100644 --- a/Documentation/video4linux/gspca.txt +++ b/Documentation/video4linux/gspca.txt @@ -97,6 +97,29 @@ sunplus 04a5:3003 Benq DC 1300 sunplus 04a5:3008 Benq DC 1500 sunplus 04a5:300a Benq DC 3410 spca500 04a5:300c Benq DC 1016 +finepix 04cb:0104 Fujifilm FinePix 4800 +finepix 04cb:0109 Fujifilm FinePix A202 +finepix 04cb:010b Fujifilm FinePix A203 +finepix 04cb:010f Fujifilm FinePix A204 +finepix 04cb:0111 Fujifilm FinePix A205 +finepix 04cb:0113 Fujifilm FinePix A210 +finepix 04cb:0115 Fujifilm FinePix A303 +finepix 04cb:0117 Fujifilm FinePix A310 +finepix 04cb:0119 Fujifilm FinePix F401 +finepix 04cb:011b Fujifilm FinePix F402 +finepix 04cb:011d Fujifilm FinePix F410 +finepix 04cb:0121 Fujifilm FinePix F601 +finepix 04cb:0123 Fujifilm FinePix F700 +finepix 04cb:0125 Fujifilm FinePix M603 +finepix 04cb:0127 Fujifilm FinePix S300 +finepix 04cb:0129 Fujifilm FinePix S304 +finepix 04cb:012b Fujifilm FinePix S500 +finepix 04cb:012d Fujifilm FinePix S602 +finepix 04cb:012f Fujifilm FinePix S700 +finepix 04cb:0131 Fujifilm FinePix unknown model +finepix 04cb:013b Fujifilm FinePix unknown model +finepix 04cb:013d Fujifilm FinePix unknown model +finepix 04cb:013f Fujifilm FinePix F420 sunplus 04f1:1001 JVC GC A50 spca561 04fc:0561 Flexcam 100 sunplus 04fc:500c Sunplus CA500C diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index e68a8965297a..78bad045913f 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_USB_GSPCA) += gspca_main.o \ - gspca_conex.o gspca_etoms.o gspca_mars.o \ + gspca_conex.o gspca_etoms.o gspca_finepix.o gspca_mars.o \ gspca_ov519.o gspca_pac207.o gspca_pac7311.o \ gspca_sonixb.o gspca_sonixj.o gspca_spca500.o gspca_spca501.o \ gspca_spca505.o gspca_spca506.o gspca_spca508.o gspca_spca561.o \ @@ -9,6 +9,7 @@ obj-$(CONFIG_USB_GSPCA) += gspca_main.o \ gspca_main-objs := gspca.o gspca_conex-objs := conex.o gspca_etoms-objs := etoms.o +gspca_finepix-objs := finepix.o gspca_mars-objs := mars.o gspca_ov519-objs := ov519.o gspca_pac207-objs := pac207.o diff --git a/drivers/media/video/gspca/finepix.c b/drivers/media/video/gspca/finepix.c new file mode 100644 index 000000000000..f75db9585f07 --- /dev/null +++ b/drivers/media/video/gspca/finepix.c @@ -0,0 +1,465 @@ +/* + * Fujifilm Finepix subdriver + * + * Copyright (C) 2008 Frank Zago + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MODULE_NAME "finepix" + +#include "gspca.h" + +MODULE_AUTHOR("Frank Zago "); +MODULE_DESCRIPTION("Fujifilm FinePix USB V4L2 driver"); +MODULE_LICENSE("GPL"); + +/* Default timeout, in ms */ +#define FPIX_TIMEOUT (HZ / 10) + +/* Maximum transfer size to use. The windows driver reads by chunks of + * 0x2000 bytes, so do the same. Note: reading more seems to work + * too. */ +#define FPIX_MAX_TRANSFER 0x2000 + +/* Structure to hold all of our device specific stuff */ +struct usb_fpix { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + /* + * USB stuff + */ + struct usb_ctrlrequest ctrlreq; + struct urb *control_urb; + struct timer_list bulk_timer; + + enum { + FPIX_NOP, /* inactive, else streaming */ + FPIX_RESET, /* must reset */ + FPIX_REQ_FRAME, /* requesting a frame */ + FPIX_READ_FRAME, /* reading frame */ + } state; + + /* + * Driver stuff + */ + struct delayed_work wqe; + struct completion can_close; + int streaming; +}; + +/* Delay after which claim the next frame. If the delay is too small, + * the camera will return old frames. On the 4800Z, 20ms is bad, 25ms + * will fail every 4 or 5 frames, but 30ms is perfect. */ +#define NEXT_FRAME_DELAY (((HZ * 30) + 999) / 1000) + +#define dev_new_state(new_state) { \ + PDEBUG(D_STREAM, "new state from %d to %d at %s:%d", \ + dev->state, new_state, __func__, __LINE__); \ + dev->state = new_state; \ +} + +/* These cameras only support 320x200. */ +static struct v4l2_pix_format fpix_mode[1] = { + { 320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0} +}; + +/* Reads part of a frame */ +static void read_frame_part(struct usb_fpix *dev) +{ + int ret; + + PDEBUG(D_STREAM, "read_frame_part"); + + /* Reads part of a frame */ + ret = usb_submit_urb(dev->gspca_dev.urb[0], GFP_ATOMIC); + if (ret) { + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + PDEBUG(D_STREAM, "usb_submit_urb failed with %d", + ret); + } else { + /* Sometimes we never get a callback, so use a timer. + * Is this masking a bug somewhere else? */ + dev->bulk_timer.expires = jiffies + msecs_to_jiffies(150); + add_timer(&dev->bulk_timer); + } +} + +/* Callback for URBs. */ +static void urb_callback(struct urb *urb) +{ + struct gspca_dev *gspca_dev = urb->context; + struct usb_fpix *dev = (struct usb_fpix *) gspca_dev; + + PDEBUG(D_PACK, + "enter urb_callback - status=%d, length=%d", + urb->status, urb->actual_length); + + if (dev->state == FPIX_READ_FRAME) + del_timer(&dev->bulk_timer); + + if (urb->status != 0) { + /* We kill a stuck urb every 50 frames on average, so don't + * display a log message for that. */ + if (urb->status != -ECONNRESET) + PDEBUG(D_STREAM, "bad URB status %d", urb->status); + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + } + + switch (dev->state) { + case FPIX_REQ_FRAME: + dev_new_state(FPIX_READ_FRAME); + read_frame_part(dev); + break; + + case FPIX_READ_FRAME: { + unsigned char *data = urb->transfer_buffer; + struct gspca_frame *frame; + + frame = gspca_get_i_frame(&dev->gspca_dev); + if (frame == NULL) { + gspca_dev->last_packet_type = DISCARD_PACKET; + break; + } + if (urb->actual_length < FPIX_MAX_TRANSFER || + (data[urb->actual_length-2] == 0xff && + data[urb->actual_length-1] == 0xd9)) { + + /* If the result is less than what was asked + * for, then it's the end of the + * frame. Sometime the jpeg is not complete, + * but there's nothing we can do. We also end + * here if the the jpeg ends right at the end + * of the frame. */ + gspca_frame_add(gspca_dev, LAST_PACKET, + frame, + data, urb->actual_length); + dev_new_state(FPIX_REQ_FRAME); + schedule_delayed_work(&dev->wqe, NEXT_FRAME_DELAY); + } else { + + /* got a partial image */ + gspca_frame_add(gspca_dev, + gspca_dev->last_packet_type == LAST_PACKET + ? FIRST_PACKET : INTER_PACKET, + frame, + data, urb->actual_length); + read_frame_part(dev); + } + break; + } + + case FPIX_NOP: + case FPIX_RESET: + PDEBUG(D_STREAM, "invalid state %d", dev->state); + break; + } +} + +/* Request a new frame */ +static void request_frame(struct usb_fpix *dev) +{ + int ret; + struct gspca_dev *gspca_dev = &dev->gspca_dev; + + /* Setup command packet */ + memset(gspca_dev->usb_buf, 0, 12); + gspca_dev->usb_buf[0] = 0xd3; + gspca_dev->usb_buf[7] = 0x01; + + /* Request a frame */ + dev->ctrlreq.bRequestType = + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; + dev->ctrlreq.bRequest = USB_REQ_GET_STATUS; + dev->ctrlreq.wValue = 0; + dev->ctrlreq.wIndex = 0; + dev->ctrlreq.wLength = cpu_to_le16(12); + + usb_fill_control_urb(dev->control_urb, + gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + (unsigned char *) &dev->ctrlreq, + gspca_dev->usb_buf, + 12, urb_callback, gspca_dev); + + ret = usb_submit_urb(dev->control_urb, GFP_ATOMIC); + if (ret) { + dev_new_state(FPIX_RESET); + schedule_delayed_work(&dev->wqe, 1); + PDEBUG(D_STREAM, "usb_submit_urb failed with %d", ret); + } +} + +/*--------------------------------------------------------------------------*/ + +/* State machine. */ +static void fpix_sm(struct work_struct *work) +{ + struct usb_fpix *dev = container_of(work, struct usb_fpix, wqe.work); + + PDEBUG(D_STREAM, "fpix_sm state %d", dev->state); + + /* verify that the device wasn't unplugged */ + if (!dev->gspca_dev.present) { + PDEBUG(D_STREAM, "device is gone"); + dev_new_state(FPIX_NOP); + complete(&dev->can_close); + return; + } + + if (!dev->streaming) { + PDEBUG(D_STREAM, "stopping state machine"); + dev_new_state(FPIX_NOP); + complete(&dev->can_close); + return; + } + + switch (dev->state) { + case FPIX_RESET: + dev_new_state(FPIX_REQ_FRAME); + schedule_delayed_work(&dev->wqe, HZ / 10); + break; + + case FPIX_REQ_FRAME: + /* get an image */ + request_frame(dev); + break; + + case FPIX_NOP: + case FPIX_READ_FRAME: + PDEBUG(D_STREAM, "invalid state %d", dev->state); + break; + } +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct cam *cam = &gspca_dev->cam; + + cam->cam_mode = fpix_mode; + cam->nmodes = 1; + cam->epaddr = 0x01; /* todo: correct for all cams? */ + cam->bulk_size = FPIX_MAX_TRANSFER; + +/* gspca_dev->nbalt = 1; * use bulk transfer */ + return 0; +} + +/* Stop streaming and free the ressources allocated by sd_start. */ +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + struct usb_fpix *dev = (struct usb_fpix *) gspca_dev; + + dev->streaming = 0; + + /* Stop the state machine */ + if (dev->state != FPIX_NOP) + wait_for_completion(&dev->can_close); + + usb_free_urb(dev->control_urb); + dev->control_urb = NULL; +} + +/* Kill an URB that hasn't completed. */ +static void timeout_kill(unsigned long data) +{ + struct urb *urb = (struct urb *) data; + + usb_unlink_urb(urb); +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + struct usb_fpix *dev = (struct usb_fpix *) gspca_dev; + + INIT_DELAYED_WORK(&dev->wqe, fpix_sm); + + init_timer(&dev->bulk_timer); + dev->bulk_timer.function = timeout_kill; + + return 0; +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + struct usb_fpix *dev = (struct usb_fpix *) gspca_dev; + int ret; + int size_ret; + + /* Reset bulk in endpoint */ + usb_clear_halt(gspca_dev->dev, gspca_dev->cam.epaddr); + + /* Init the device */ + memset(gspca_dev->usb_buf, 0, 12); + gspca_dev->usb_buf[0] = 0xc6; + gspca_dev->usb_buf[8] = 0x20; + + ret = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + USB_REQ_GET_STATUS, + USB_DIR_OUT | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, 0, 0, gspca_dev->usb_buf, + 12, FPIX_TIMEOUT); + + if (ret != 12) { + PDEBUG(D_STREAM, "usb_control_msg failed (%d)", ret); + ret = -EIO; + goto error; + } + + /* Read the result of the command. Ignore the result, for it + * varies with the device. */ + ret = usb_bulk_msg(gspca_dev->dev, + usb_rcvbulkpipe(gspca_dev->dev, + gspca_dev->cam.epaddr), + gspca_dev->usb_buf, FPIX_MAX_TRANSFER, &size_ret, + FPIX_TIMEOUT); + if (ret != 0) { + PDEBUG(D_STREAM, "usb_bulk_msg failed (%d)", ret); + ret = -EIO; + goto error; + } + + /* Request a frame, but don't read it */ + memset(gspca_dev->usb_buf, 0, 12); + gspca_dev->usb_buf[0] = 0xd3; + gspca_dev->usb_buf[7] = 0x01; + + ret = usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + USB_REQ_GET_STATUS, + USB_DIR_OUT | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, 0, 0, gspca_dev->usb_buf, + 12, FPIX_TIMEOUT); + if (ret != 12) { + PDEBUG(D_STREAM, "usb_control_msg failed (%d)", ret); + ret = -EIO; + goto error; + } + + /* Again, reset bulk in endpoint */ + usb_clear_halt(gspca_dev->dev, gspca_dev->cam.epaddr); + + /* Allocate a control URB */ + dev->control_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->control_urb) { + PDEBUG(D_STREAM, "No free urbs available"); + ret = -EIO; + goto error; + } + + /* Various initializations. */ + init_completion(&dev->can_close); + dev->bulk_timer.data = (unsigned long)dev->gspca_dev.urb[0]; + dev->gspca_dev.urb[0]->complete = urb_callback; + dev->streaming = 1; + + /* Schedule a frame request. */ + dev_new_state(FPIX_REQ_FRAME); + schedule_delayed_work(&dev->wqe, 1); + + return 0; + +error: + /* Free the ressources */ + sd_stopN(gspca_dev); + return ret; +} + +/* Table of supported USB devices */ +static const __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x04cb, 0x0104)}, + {USB_DEVICE(0x04cb, 0x0109)}, + {USB_DEVICE(0x04cb, 0x010b)}, + {USB_DEVICE(0x04cb, 0x010f)}, + {USB_DEVICE(0x04cb, 0x0111)}, + {USB_DEVICE(0x04cb, 0x0113)}, + {USB_DEVICE(0x04cb, 0x0115)}, + {USB_DEVICE(0x04cb, 0x0117)}, + {USB_DEVICE(0x04cb, 0x0119)}, + {USB_DEVICE(0x04cb, 0x011b)}, + {USB_DEVICE(0x04cb, 0x011d)}, + {USB_DEVICE(0x04cb, 0x0121)}, + {USB_DEVICE(0x04cb, 0x0123)}, + {USB_DEVICE(0x04cb, 0x0125)}, + {USB_DEVICE(0x04cb, 0x0127)}, + {USB_DEVICE(0x04cb, 0x0129)}, + {USB_DEVICE(0x04cb, 0x012b)}, + {USB_DEVICE(0x04cb, 0x012d)}, + {USB_DEVICE(0x04cb, 0x012f)}, + {USB_DEVICE(0x04cb, 0x0131)}, + {USB_DEVICE(0x04cb, 0x013b)}, + {USB_DEVICE(0x04cb, 0x013d)}, + {USB_DEVICE(0x04cb, 0x013f)}, + {} +}; + +MODULE_DEVICE_TABLE(usb, device_table); + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = sd_config, + .init = sd_init, + .start = sd_start, + .stopN = sd_stopN, +}; + +/* -- device connect -- */ +static int sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, + &sd_desc, + sizeof(struct usb_fpix), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + if (usb_register(&sd_driver) < 0) + return -1; + PDEBUG(D_PROBE, "registered"); + return 0; +} +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); + PDEBUG(D_PROBE, "deregistered"); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit); -- GitLab From b1043e562ec9e5fe60af85b3a7eea43e77a35994 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 29 Sep 2008 07:03:06 -0300 Subject: [PATCH 3979/6244] V4L/DVB (9089): gspca: Remove the duplicated EOF (ff d9) in t613. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/t613.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c index 78c674297592..7e435a36b056 100644 --- a/drivers/media/video/gspca/t613.c +++ b/drivers/media/video/gspca/t613.c @@ -916,7 +916,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, return; } - if (data[len - 1] == 0xff && data[len] == 0xd9) { + if (data[len - 2] == 0xff && data[len - 1] == 0xd9) { /* Just in case, i have seen packets with the marker, * other's do not include it... */ data += 2; -- GitLab From a3a58467db3c90a1e289970ef319c7abb90be617 Mon Sep 17 00:00:00 2001 From: Frank Zago Date: Tue, 30 Sep 2008 03:55:33 -0300 Subject: [PATCH 3980/6244] V4L/DVB (9090): gspca: Restart the state machine when no frame buffer in finepix. Signed-off-by: Frank Zago Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/finepix.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/gspca/finepix.c b/drivers/media/video/gspca/finepix.c index f75db9585f07..65d3cbfe6b27 100644 --- a/drivers/media/video/gspca/finepix.c +++ b/drivers/media/video/gspca/finepix.c @@ -135,10 +135,8 @@ static void urb_callback(struct urb *urb) struct gspca_frame *frame; frame = gspca_get_i_frame(&dev->gspca_dev); - if (frame == NULL) { + if (frame == NULL) gspca_dev->last_packet_type = DISCARD_PACKET; - break; - } if (urb->actual_length < FPIX_MAX_TRANSFER || (data[urb->actual_length-2] == 0xff && data[urb->actual_length-1] == 0xd9)) { @@ -149,18 +147,21 @@ static void urb_callback(struct urb *urb) * but there's nothing we can do. We also end * here if the the jpeg ends right at the end * of the frame. */ - gspca_frame_add(gspca_dev, LAST_PACKET, - frame, - data, urb->actual_length); + if (frame) + gspca_frame_add(gspca_dev, LAST_PACKET, + frame, + data, urb->actual_length); dev_new_state(FPIX_REQ_FRAME); schedule_delayed_work(&dev->wqe, NEXT_FRAME_DELAY); } else { /* got a partial image */ - gspca_frame_add(gspca_dev, - gspca_dev->last_packet_type == LAST_PACKET - ? FIRST_PACKET : INTER_PACKET, - frame, + if (frame) + gspca_frame_add(gspca_dev, + gspca_dev->last_packet_type + == LAST_PACKET + ? FIRST_PACKET : INTER_PACKET, + frame, data, urb->actual_length); read_frame_part(dev); } -- GitLab From c109f8168f259ea1f1ab7009c6b99dbe8ea0e2b2 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Wed, 1 Oct 2008 04:51:53 -0300 Subject: [PATCH 3981/6244] V4L/DVB (9091): gspca: Subdriver m5602 (ALi) added. This patch adds support for the ALi m5602 usb bridge and is based on the gspca framework. It contains code for communicating with 5 different sensors: OmniVision OV9650, Pixel Plus PO1030, Samsung S5K83A, S5K4AA and finally Micron MT9M111. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine [mchehab@redhat.com: fix m5602/Makefile] [mchehab@redhat.com: extern debug caused conflicts. Renamed to m5602_debug] Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/gspca.txt | 1 + Documentation/video4linux/m5602.txt | 12 + drivers/media/video/gspca/Kconfig | 3 + drivers/media/video/gspca/Makefile | 3 + drivers/media/video/gspca/m5602/Kconfig | 11 + drivers/media/video/gspca/m5602/Makefile | 11 + .../media/video/gspca/m5602/m5602_bridge.h | 180 +++ drivers/media/video/gspca/m5602/m5602_core.c | 321 ++++++ .../media/video/gspca/m5602/m5602_mt9m111.c | 343 ++++++ .../media/video/gspca/m5602/m5602_mt9m111.h | 1020 +++++++++++++++++ .../media/video/gspca/m5602/m5602_ov9650.c | 544 +++++++++ .../media/video/gspca/m5602/m5602_ov9650.h | 501 ++++++++ .../media/video/gspca/m5602/m5602_po1030.c | 334 ++++++ .../media/video/gspca/m5602/m5602_po1030.h | 478 ++++++++ .../media/video/gspca/m5602/m5602_s5k4aa.c | 460 ++++++++ .../media/video/gspca/m5602/m5602_s5k4aa.h | 368 ++++++ .../media/video/gspca/m5602/m5602_s5k83a.c | 331 ++++++ .../media/video/gspca/m5602/m5602_s5k83a.h | 444 +++++++ .../media/video/gspca/m5602/m5602_sensor.h | 76 ++ 19 files changed, 5441 insertions(+) create mode 100644 Documentation/video4linux/m5602.txt create mode 100644 drivers/media/video/gspca/m5602/Kconfig create mode 100644 drivers/media/video/gspca/m5602/Makefile create mode 100644 drivers/media/video/gspca/m5602/m5602_bridge.h create mode 100644 drivers/media/video/gspca/m5602/m5602_core.c create mode 100644 drivers/media/video/gspca/m5602/m5602_mt9m111.c create mode 100644 drivers/media/video/gspca/m5602/m5602_mt9m111.h create mode 100644 drivers/media/video/gspca/m5602/m5602_ov9650.c create mode 100644 drivers/media/video/gspca/m5602/m5602_ov9650.h create mode 100644 drivers/media/video/gspca/m5602/m5602_po1030.c create mode 100644 drivers/media/video/gspca/m5602/m5602_po1030.h create mode 100644 drivers/media/video/gspca/m5602/m5602_s5k4aa.c create mode 100644 drivers/media/video/gspca/m5602/m5602_s5k4aa.h create mode 100644 drivers/media/video/gspca/m5602/m5602_s5k83a.c create mode 100644 drivers/media/video/gspca/m5602/m5602_s5k83a.h create mode 100644 drivers/media/video/gspca/m5602/m5602_sensor.h diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt index 04c612eb897c..004818fab040 100644 --- a/Documentation/video4linux/gspca.txt +++ b/Documentation/video4linux/gspca.txt @@ -7,6 +7,7 @@ The modules are: xxxx vend:prod ---- spca501 0000:0000 MystFromOri Unknow Camera +m5602 0402:5602 ALi Video Camera Controller spca501 040a:0002 Kodak DVC-325 spca500 040a:0300 Kodak EZ200 zc3xx 041e:041e Creative WebCam Live! diff --git a/Documentation/video4linux/m5602.txt b/Documentation/video4linux/m5602.txt new file mode 100644 index 000000000000..4450ab13f37b --- /dev/null +++ b/Documentation/video4linux/m5602.txt @@ -0,0 +1,12 @@ +This document describes the ALi m5602 bridge connected +to the following supported sensors: +OmniVision OV9650, +Samsung s5k83a, +Samsung s5k4aa, +Micron mt9m111, +Pixel plus PO1030 + +This driver mimics the windows drivers, which have a braindead implementation sending bayer-encoded frames at VGA resolution. +In a perfect world we should be able to reprogram the m5602 and the connected sensor in hardware instead, supporting a range of resolutions and pixelformats + +Anyway, have fun and please report any bugs to m560x-driver-devel@lists.sourceforge.net diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index 42b90742b40b..fd31099e36a1 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -11,3 +11,6 @@ config USB_GSPCA To compile this driver as modules, choose M here: the modules will be called gspca_xxxx. + +source "drivers/media/video/gspca/m5602/Kconfig" + diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index 78bad045913f..488ed97c58a3 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -28,3 +28,6 @@ gspca_t613-objs := t613.o gspca_tv8532-objs := tv8532.o gspca_vc032x-objs := vc032x.o gspca_zc3xx-objs := zc3xx.o + +obj-$(CONFIG_USB_M5602) += m5602/ + diff --git a/drivers/media/video/gspca/m5602/Kconfig b/drivers/media/video/gspca/m5602/Kconfig new file mode 100644 index 000000000000..7de33e22117e --- /dev/null +++ b/drivers/media/video/gspca/m5602/Kconfig @@ -0,0 +1,11 @@ +config USB_M5602 + tristate "USB ALi m5602 Webcam support" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the + ALi m5602 connected to various image sensors. + + See for more info. + + To compile this driver as a module, choose M here: the + module will be called gspca-m5602. diff --git a/drivers/media/video/gspca/m5602/Makefile b/drivers/media/video/gspca/m5602/Makefile new file mode 100644 index 000000000000..226ab4fc9d60 --- /dev/null +++ b/drivers/media/video/gspca/m5602/Makefile @@ -0,0 +1,11 @@ +obj-$(CONFIG_USB_M5602) += gspca_m5602.o + +gspca_m5602-objs := m5602_core.o \ + m5602_ov9650.o \ + m5602_mt9m111.o \ + m5602_po1030.o \ + m5602_s5k83a.o \ + m5602_s5k4aa.o + +EXTRA_CFLAGS += -Idrivers/media/video/gspca + diff --git a/drivers/media/video/gspca/m5602/m5602_bridge.h b/drivers/media/video/gspca/m5602/m5602_bridge.h new file mode 100644 index 000000000000..fcbc37bfea51 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_bridge.h @@ -0,0 +1,180 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_BRIDGE_H_ +#define M5602_BRIDGE_H_ + +#include "gspca.h" + +#define MODULE_NAME "ALi m5602" + +/*****************************************************************************/ + +#undef PDEBUG +#undef info +#undef err + +#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \ + format "\n" , ## arg) +#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \ + format "\n" , ## arg) + +/* Debug parameters */ +#define DBG_INIT 0x1 +#define DBG_PROBE 0x2 +#define DBG_V4L2 0x4 +#define DBG_TRACE 0x8 +#define DBG_DATA 0x10 +#define DBG_V4L2_CID 0x20 +#define DBG_GSPCA 0x40 + +#define PDEBUG(level, fmt, args...) \ + do { \ + if (m5602_debug & level) \ + info("[%s:%d] " fmt, __func__, __LINE__ , \ + ## args); \ + } while (0) + +/*****************************************************************************/ + +#define M5602_XB_SENSOR_TYPE 0x00 +#define M5602_XB_SENSOR_CTRL 0x01 +#define M5602_XB_LINE_OF_FRAME_H 0x02 +#define M5602_XB_LINE_OF_FRAME_L 0x03 +#define M5602_XB_PIX_OF_LINE_H 0x04 +#define M5602_XB_PIX_OF_LINE_L 0x05 +#define M5602_XB_VSYNC_PARA 0x06 +#define M5602_XB_HSYNC_PARA 0x07 +#define M5602_XB_TEST_MODE_1 0x08 +#define M5602_XB_TEST_MODE_2 0x09 +#define M5602_XB_SIG_INI 0x0a +#define M5602_XB_DS_PARA 0x0e +#define M5602_XB_TRIG_PARA 0x0f +#define M5602_XB_CLK_PD 0x10 +#define M5602_XB_MCU_CLK_CTRL 0x12 +#define M5602_XB_MCU_CLK_DIV 0x13 +#define M5602_XB_SEN_CLK_CTRL 0x14 +#define M5602_XB_SEN_CLK_DIV 0x15 +#define M5602_XB_AUD_CLK_CTRL 0x16 +#define M5602_XB_AUD_CLK_DIV 0x17 +#define M5602_XB_DEVCTR1 0x41 +#define M5602_XB_EPSETR0 0x42 +#define M5602_XB_EPAFCTR 0x47 +#define M5602_XB_EPBFCTR 0x49 +#define M5602_XB_EPEFCTR 0x4f +#define M5602_XB_TEST_REG 0x53 +#define M5602_XB_ALT2SIZE 0x54 +#define M5602_XB_ALT3SIZE 0x55 +#define M5602_XB_OBSFRAME 0x56 +#define M5602_XB_PWR_CTL 0x59 +#define M5602_XB_ADC_CTRL 0x60 +#define M5602_XB_ADC_DATA 0x61 +#define M5602_XB_MISC_CTRL 0x62 +#define M5602_XB_SNAPSHOT 0x63 +#define M5602_XB_SCRATCH_1 0x64 +#define M5602_XB_SCRATCH_2 0x65 +#define M5602_XB_SCRATCH_3 0x66 +#define M5602_XB_SCRATCH_4 0x67 +#define M5602_XB_I2C_CTRL 0x68 +#define M5602_XB_I2C_CLK_DIV 0x69 +#define M5602_XB_I2C_DEV_ADDR 0x6a +#define M5602_XB_I2C_REG_ADDR 0x6b +#define M5602_XB_I2C_DATA 0x6c +#define M5602_XB_I2C_STATUS 0x6d +#define M5602_XB_GPIO_DAT_H 0x70 +#define M5602_XB_GPIO_DAT_L 0x71 +#define M5602_XB_GPIO_DIR_H 0x72 +#define M5602_XB_GPIO_DIR_L 0x73 +#define M5602_XB_GPIO_EN_H 0x74 +#define M5602_XB_GPIO_EN_L 0x75 +#define M5602_XB_GPIO_DAT 0x76 +#define M5602_XB_GPIO_DIR 0x77 +#define M5602_XB_MISC_CTL 0x70 + +#define I2C_BUSY 0x80 + +/*****************************************************************************/ + +/* Driver info */ +#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project" +#define DRIVER_DESC "ALi m5602 webcam driver" + +#define M5602_ISOC_ENDPOINT_ADDR 0x81 +#define M5602_INTR_ENDPOINT_ADDR 0x82 + +#define M5602_MAX_FRAMES 32 +#define M5602_URBS 2 +#define M5602_ISOC_PACKETS 14 + +#define M5602_URB_TIMEOUT msecs_to_jiffies(2 * M5602_ISOC_PACKETS) +#define M5602_URB_MSG_TIMEOUT 5000 +#define M5602_FRAME_TIMEOUT 2 + +/*****************************************************************************/ + +/* A skeleton used for sending messages to the m5602 bridge */ +static const unsigned char bridge_urb_skeleton[] = { + 0x13, 0x00, 0x81, 0x00 +}; + +/* A skeleton used for sending messages to the sensor */ +static const unsigned char sensor_urb_skeleton[] = { + 0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06, + 0x23, M5602_XB_MISC_CTRL, 0x81, 0x80, + 0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00, + 0x13, M5602_XB_I2C_DATA, 0x81, 0x00, + 0x13, M5602_XB_I2C_CTRL, 0x81, 0x11 +}; + +/* m5602 device descriptor, currently it just wraps the m5602_camera struct */ +struct sd { + struct gspca_dev gspca_dev; + + /* The name of the m5602 camera */ + char *name; + + /* A pointer to the currently connected sensor */ + struct m5602_sensor *sensor; + + /* The current frame's id, used to detect frame boundaries */ + u8 frame_id; + + /* The current frame count */ + u32 frame_count; +}; + +int m5602_read_bridge( + struct sd *sd, u8 address, u8 *i2c_data); + +int m5602_write_bridge( + struct sd *sd, u8 address, u8 i2c_data); + +int m5602_configure(struct gspca_dev *gspca_dev, + const struct usb_device_id *id); + +int m5602_init(struct gspca_dev *gspca_dev); + +void m5602_start_transfer(struct gspca_dev *gspca_dev); + +void m5602_stop_transfer(struct gspca_dev *gspca_dev); + +void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, + __u8 *data, int len); + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c new file mode 100644 index 000000000000..559495e2d11e --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -0,0 +1,321 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_ov9650.h" +#include "m5602_mt9m111.h" +#include "m5602_po1030.h" +#include "m5602_s5k83a.h" +#include "m5602_s5k4aa.h" + +/* Kernel module parameters */ +int force_sensor; +int dump_bridge; +int dump_sensor; +unsigned int m5602_debug; + +static const __devinitdata struct usb_device_id m5602_table[] = { + {USB_DEVICE(0x0402, 0x5602)}, + {} +}; + +MODULE_DEVICE_TABLE(usb, m5602_table); + +/* sub-driver description, the ctrl and nctrl is filled at probe time */ +static struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = m5602_configure, + .init = m5602_init, + .start = m5602_start_transfer, + .stopN = m5602_stop_transfer, + .pkt_scan = m5602_urb_complete +}; + +/* Reads a byte from the m5602 */ +int m5602_read_bridge(struct sd *sd, u8 address, u8 *i2c_data) +{ + int err; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + 0x04, 0xc0, 0x14, + 0x8100 + address, buf, + 1, M5602_URB_MSG_TIMEOUT); + *i2c_data = buf[0]; + + PDEBUG(DBG_TRACE, "Reading bridge register 0x%x containing 0x%x", + address, *i2c_data); + + /* usb_control_msg(...) returns the number of bytes sent upon success, + mask that and return zero upon success instead*/ + return (err < 0) ? err : 0; +} + +/* Writes a byte to to the m5602 */ +int m5602_write_bridge(struct sd *sd, u8 address, u8 i2c_data) +{ + int err; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + PDEBUG(DBG_TRACE, "Writing bridge register 0x%x with 0x%x", + address, i2c_data); + + memcpy(buf, bridge_urb_skeleton, + sizeof(bridge_urb_skeleton)); + buf[1] = address; + buf[3] = i2c_data; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 4, M5602_URB_MSG_TIMEOUT); + + /* usb_control_msg(...) returns the number of bytes sent upon success, + mask that and return zero upon success instead */ + return (err < 0) ? err : 0; +} + +/* Dump all the registers of the m5602 bridge, + unfortunately this breaks the camera until it's power cycled */ +static void m5602_dump_bridge(struct sd *sd) +{ + int i; + for (i = 0; i < 0x80; i++) { + unsigned char val = 0; + m5602_read_bridge(sd, i, &val); + info("ALi m5602 address 0x%x contains 0x%x", i, val); + } + info("Warning: The camera probably won't work until it's power cycled"); +} + +int m5602_probe_sensor(struct sd *sd) +{ + /* Try the po1030 */ + sd->sensor = &po1030; + if (!sd->sensor->probe(sd)) { + sd_desc.ctrls = po1030.ctrls; + sd_desc.nctrls = po1030.nctrls; + return 0; + } + + /* Try the mt9m111 sensor */ + sd->sensor = &mt9m111; + if (!sd->sensor->probe(sd)) { + sd_desc.ctrls = mt9m111.ctrls; + sd_desc.nctrls = mt9m111.nctrls; + return 0; + } + + /* Try the s5k4aa */ + sd->sensor = &s5k4aa; + if (!sd->sensor->probe(sd)) { + sd_desc.ctrls = s5k4aa.ctrls; + sd_desc.nctrls = s5k4aa.nctrls; + return 0; + } + + /* Try the ov9650 */ + sd->sensor = &ov9650; + if (!sd->sensor->probe(sd)) { + sd_desc.ctrls = ov9650.ctrls; + sd_desc.nctrls = ov9650.nctrls; + return 0; + } + + /* Try the s5k83a */ + sd->sensor = &s5k83a; + if (!sd->sensor->probe(sd)) { + sd_desc.ctrls = s5k83a.ctrls; + sd_desc.nctrls = s5k83a.nctrls; + return 0; + } + + + /* More sensor probe function goes here */ + info("Failed to find a sensor"); + sd->sensor = NULL; + return -ENODEV; +} + +int m5602_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int err; + + PDEBUG(DBG_TRACE, "Initializing ALi m5602 webcam"); + /* Run the init sequence */ + err = sd->sensor->init(sd); + + return err; +} + +void m5602_start_transfer(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* Send start command to the camera */ + const u8 buffer[4] = {0x13, 0xf9, 0x0f, 0x01}; + memcpy(buf, buffer, sizeof(buffer)); + usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), + 0x04, 0x40, 0x19, 0x0000, buf, + 4, M5602_URB_MSG_TIMEOUT); + + PDEBUG(DBG_V4L2, "Transfer started"); +} + +void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, + __u8 *data, int len) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (len < 6) { + PDEBUG(DBG_DATA, "Packet is less than 6 bytes"); + return; + } + + /* Frame delimiter: ff xx xx xx ff ff */ + if (data[0] == 0xff && data[4] == 0xff && data[5] == 0xff && + data[2] != sd->frame_id) { + PDEBUG(DBG_DATA, "Frame delimiter detected"); + sd->frame_id = data[2]; + + /* Remove the extra fluff appended on each header */ + data += 6; + len -= 6; + + /* Complete the last frame (if any) */ + frame = gspca_frame_add(gspca_dev, LAST_PACKET, + frame, data, 0); + + /* Create a new frame */ + gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); + + PDEBUG(DBG_V4L2, "Starting new frame. First urb contained %d", + len); + + } else { + int cur_frame_len = frame->data_end - frame->data; + + /* Remove urb header */ + data += 4; + len -= 4; + + if (cur_frame_len + len <= frame->v4l2_buf.length) { + PDEBUG(DBG_DATA, "Continuing frame copying %d bytes", + len); + + gspca_frame_add(gspca_dev, INTER_PACKET, frame, + data, len); + } else if (frame->v4l2_buf.length - cur_frame_len > 0) { + /* Add the remaining data up to frame size */ + gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, + frame->v4l2_buf.length - cur_frame_len); + } + } +} + +void m5602_stop_transfer(struct gspca_dev *gspca_dev) +{ + /* Is there are a command to stop a data transfer? */ +} + +/* this function is called at probe time */ +int m5602_configure(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam; + int err; + + PDEBUG(DBG_GSPCA, "m5602_configure start"); + cam = &gspca_dev->cam; + cam->epaddr = M5602_ISOC_ENDPOINT_ADDR; + + if (dump_bridge) + m5602_dump_bridge(sd); + + /* Probe sensor */ + err = m5602_probe_sensor(sd); + if (err) + goto fail; + + PDEBUG(DBG_GSPCA, "m5602_configure end"); + return 0; + +fail: + PDEBUG(DBG_GSPCA, "m5602_configure failed"); + cam->cam_mode = NULL; + cam->nmodes = 0; + + return err; +} + +static int m5602_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = m5602_table, + .probe = m5602_probe, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif + .disconnect = gspca_disconnect +}; + +/* -- module insert / remove -- */ +static int __init mod_m5602_init(void) +{ + if (usb_register(&sd_driver) < 0) + return -1; + PDEBUG(D_PROBE, "m5602 module registered"); + return 0; +} +static void __exit mod_m5602_exit(void) +{ + usb_deregister(&sd_driver); + PDEBUG(D_PROBE, "m5602 module deregistered"); +} + +module_init(mod_m5602_init); +module_exit(mod_m5602_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +module_param_named(debug, m5602_debug, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(debug, "toggles debug on/off"); + +module_param(force_sensor, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(force_sensor, + "force detection of sensor, " + "1 = OV9650, 2 = S5K83A, 3 = S5K4AA, 4 = MT9M111, 5 = PO1030"); + +module_param(dump_bridge, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_bridge, "Dumps all usb bridge registers at startup"); + +module_param(dump_sensor, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(dump_sensor, "Dumps all usb sensor registers " + "at startup providing a sensor is found"); diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c new file mode 100644 index 000000000000..17f04dd5e1d3 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c @@ -0,0 +1,343 @@ +/* + * Driver for the mt9m111 sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_mt9m111.h" + +int mt9m111_probe(struct sd *sd) +{ + u8 data[2] = {0x00, 0x00}; + int i; + + if (force_sensor) { + if (force_sensor == MT9M111_SENSOR) { + info("Forcing a %s sensor", mt9m111.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + info("Probing for a mt9m111 sensor"); + + /* Do the preinit */ + for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) { + if (preinit_mt9m111[i][0] == BRIDGE) { + m5602_write_bridge(sd, + preinit_mt9m111[i][1], + preinit_mt9m111[i][2]); + } else { + data[0] = preinit_mt9m111[i][2]; + data[1] = preinit_mt9m111[i][3]; + mt9m111_write_sensor(sd, + preinit_mt9m111[i][1], data, 2); + } + } + + if (mt9m111_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2)) + return -ENODEV; + + if ((data[0] == 0x14) && (data[1] == 0x3a)) { + info("Detected a mt9m111 sensor"); + goto sensor_found; + } + + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = mt9m111.modes; + sd->gspca_dev.cam.nmodes = mt9m111.nmodes; + return 0; +} + +int mt9m111_init(struct sd *sd) +{ + int i, err; + + /* Init the sensor */ + for (i = 0; i < ARRAY_SIZE(init_mt9m111); i++) { + u8 data[2]; + + if (init_mt9m111[i][0] == BRIDGE) { + err = m5602_write_bridge(sd, + init_mt9m111[i][1], + init_mt9m111[i][2]); + } else { + data[0] = init_mt9m111[i][2]; + data[1] = init_mt9m111[i][3]; + err = mt9m111_write_sensor(sd, + init_mt9m111[i][1], data, 2); + } + } + + if (dump_sensor) + mt9m111_dump_registers(sd); + + return (err < 0) ? err : 0; +} + +int mt9m111_power_down(struct sd *sd) +{ + return 0; +} + +int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, + data, 2); + *val = data[0] & MT9M111_RMB_MIRROR_ROWS; + PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val); + + return (err < 0) ? err : 0; +} + +int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val); + + /* Set the correct page map */ + err = mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); + if (err < 0) + goto out; + + err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2); + if (err < 0) + goto out; + + data[0] = (data[0] & 0xfe) | val; + err = mt9m111_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, + data, 2); +out: + return (err < 0) ? err : 0; +} + +int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, + data, 2); + *val = data[0] & MT9M111_RMB_MIRROR_COLS; + PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val); + + return (err < 0) ? err : 0; +} + +int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d", val); + + /* Set the correct page map */ + err = mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); + if (err < 0) + goto out; + + err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2); + if (err < 0) + goto out; + + data[0] = (data[0] & 0xfd) | ((val << 1) & 0x02); + err = mt9m111_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, + data, 2); +out: + return (err < 0) ? err : 0; +} + +int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err, tmp; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + err = mt9m111_read_sensor(sd, MT9M111_SC_GLOBAL_GAIN, data, 2); + tmp = ((data[1] << 8) | data[0]); + + *val = ((tmp & (1 << 10)) * 2) | + ((tmp & (1 << 9)) * 2) | + ((tmp & (1 << 8)) * 2) | + (tmp & 0x7f); + + PDEBUG(DBG_V4L2_CID, "Read gain %d", *val); + + return (err < 0) ? err : 0; +} + +int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err, tmp; + u8 data[2] = {0x00, 0x00}; + struct sd *sd = (struct sd *) gspca_dev; + + /* Set the correct page map */ + err = mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, data, 2); + if (err < 0) + goto out; + + if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2) + return -EINVAL; + + if ((val >= INITIAL_MAX_GAIN * 2 * 2) && + (val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2)) + tmp = (1 << 10) | (val << 9) | + (val << 8) | (val / 8); + else if ((val >= INITIAL_MAX_GAIN * 2) && + (val < INITIAL_MAX_GAIN * 2 * 2)) + tmp = (1 << 9) | (1 << 8) | (val / 4); + else if ((val >= INITIAL_MAX_GAIN) && + (val < INITIAL_MAX_GAIN * 2)) + tmp = (1 << 8) | (val / 2); + else + tmp = val; + + data[1] = (tmp & 0xff00) >> 8; + data[0] = (tmp & 0xff); + PDEBUG(DBG_V4L2_CID, "tmp=%d, data[1]=%d, data[0]=%d", tmp, + data[1], data[0]); + + err = mt9m111_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN, + data, 2); +out: + return (err < 0) ? err : 0; +} + +int mt9m111_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) { + int err, i; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + sd->sensor->i2c_slave_id); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x1a); + if (err < 0) + goto out; + + for (i = 0; i < len && !err; i++) { + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(DBG_TRACE, "Reading sensor register " + "0x%x contains 0x%x ", address, *i2c_data); + } +out: + return (err < 0) ? err : 0; +} + +int mt9m111_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* No sensor with a data width larger + than 16 bits has yet been seen, nor with 0 :p*/ + if (len > 2 || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, + sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the tailer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +void mt9m111_dump_registers(struct sd *sd) +{ + u8 address, value[2] = {0x00, 0x00}; + + info("Dumping the mt9m111 register state"); + + info("Dumping the mt9m111 sensor core registers"); + value[1] = MT9M111_SENSOR_CORE; + mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + mt9m111_read_sensor(sd, address, value, 2); + info("register 0x%x contains 0x%x%x", + address, value[0], value[1]); + } + + info("Dumping the mt9m111 color pipeline registers"); + value[1] = MT9M111_COLORPIPE; + mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + mt9m111_read_sensor(sd, address, value, 2); + info("register 0x%x contains 0x%x%x", + address, value[0], value[1]); + } + + info("Dumping the mt9m111 camera control registers"); + value[1] = MT9M111_CAMERA_CONTROL; + mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, value, 2); + for (address = 0; address < 0xff; address++) { + mt9m111_read_sensor(sd, address, value, 2); + info("register 0x%x contains 0x%x%x", + address, value[0], value[1]); + } + + info("mt9m111 register state dump complete"); +} diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h new file mode 100644 index 000000000000..79a5d8878190 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h @@ -0,0 +1,1020 @@ +/* + * Driver for the mt9m111 sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * Some defines taken from the mt9m111 sensor driver + * Copyright (C) 2008, Robert Jarzmik + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_MT9M111_H_ +#define M5602_MT9M111_H_ + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define MT9M111_SC_CHIPVER 0x00 +#define MT9M111_SC_ROWSTART 0x01 +#define MT9M111_SC_COLSTART 0x02 +#define MT9M111_SC_WINDOW_HEIGHT 0x03 +#define MT9M111_SC_WINDOW_WIDTH 0x04 +#define MT9M111_SC_HBLANK_CONTEXT_B 0x05 +#define MT9M111_SC_VBLANK_CONTEXT_B 0x06 +#define MT9M111_SC_HBLANK_CONTEXT_A 0x07 +#define MT9M111_SC_VBLANK_CONTEXT_A 0x08 +#define MT9M111_SC_SHUTTER_WIDTH 0x09 +#define MT9M111_SC_ROW_SPEED 0x0a + +#define MT9M111_SC_EXTRA_DELAY 0x0b +#define MT9M111_SC_SHUTTER_DELAY 0x0c +#define MT9M111_SC_RESET 0x0d +#define MT9M111_SC_R_MODE_CONTEXT_B 0x20 +#define MT9M111_SC_R_MODE_CONTEXT_A 0x21 +#define MT9M111_SC_FLASH_CONTROL 0x23 +#define MT9M111_SC_GREEN_1_GAIN 0x2b +#define MT9M111_SC_BLUE_GAIN 0x2c +#define MT9M111_SC_RED_GAIN 0x2d +#define MT9M111_SC_GREEN_2_GAIN 0x2e +#define MT9M111_SC_GLOBAL_GAIN 0x2f + +#define MT9M111_RMB_MIRROR_ROWS (1 << 0) +#define MT9M111_RMB_MIRROR_COLS (1 << 1) + +#define MT9M111_CONTEXT_CONTROL 0xc8 +#define MT9M111_PAGE_MAP 0xf0 +#define MT9M111_BYTEWISE_ADDRESS 0xf1 + +#define MT9M111_CP_OPERATING_MODE_CTL 0x06 +#define MT9M111_CP_LUMA_OFFSET 0x34 +#define MT9M111_CP_LUMA_CLIP 0x35 +#define MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A 0x3a +#define MT9M111_CP_LENS_CORRECTION_1 0x3b +#define MT9M111_CP_DEFECT_CORR_CONTEXT_A 0x4c +#define MT9M111_CP_DEFECT_CORR_CONTEXT_B 0x4d +#define MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B 0x9b +#define MT9M111_CP_GLOBAL_CLK_CONTROL 0xb3 + +#define MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18 0x65 +#define MT9M111_CC_AWB_PARAMETER_7 0x28 + +#define MT9M111_SENSOR_CORE 0x00 +#define MT9M111_COLORPIPE 0x01 +#define MT9M111_CAMERA_CONTROL 0x02 + +#define INITIAL_MAX_GAIN 64 +#define DEFAULT_GAIN 283 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern int dump_sensor; +extern unsigned int m5602_debug; + +int mt9m111_probe(struct sd *sd); +int mt9m111_init(struct sd *sd); +int mt9m111_power_down(struct sd *sd); + +int mt9m111_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int mt9m111_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +void mt9m111_dump_registers(struct sd *sd); + +int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val); + +static struct m5602_sensor mt9m111 = { + .name = "MT9M111", + + .i2c_slave_id = 0xba, + + .probe = mt9m111_probe, + .init = mt9m111_init, + .power_down = mt9m111_power_down, + + .read_sensor = mt9m111_read_sensor, + .write_sensor = mt9m111_write_sensor, + + .nctrls = 3, + .ctrls = { + { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = mt9m111_set_vflip, + .get = mt9m111_get_vflip + }, { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "horizontal flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = mt9m111_set_hflip, + .get = mt9m111_get_hflip + }, { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "gain", + .minimum = 0, + .maximum = (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2, + .step = 1, + .default_value = DEFAULT_GAIN, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = mt9m111_set_hflip, + .get = mt9m111_get_hflip + } + }, + + .nmodes = 1, + .modes = { + { + M5602_DEFAULT_FRAME_WIDTH, + M5602_DEFAULT_FRAME_HEIGHT, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + M5602_DEFAULT_FRAME_WIDTH * M5602_DEFAULT_FRAME_HEIGHT, + .bytesperline = M5602_DEFAULT_FRAME_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } + } +}; + +static const unsigned char preinit_mt9m111[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xf7}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00} +}; + +static const unsigned char init_mt9m111[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xff}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xff}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xde}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xff}, + {SENSOR, MT9M111_SC_RESET, 0xff, 0xf7}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xb3, 0x00}, + + {SENSOR, MT9M111_CP_GLOBAL_CLK_CONTROL, 0xff, 0xff}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x05}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 0x10}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 0x01}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 0x01}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xcd, 0x00}, + + {SENSOR, 0xcd, 0x00, 0x0e}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xd0, 0x00}, + {SENSOR, 0xd0, 0x00, 0x40}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x07}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, 0x08}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x18}, + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x04}, + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x08}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_B, 0x01, 0x03}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x03}, + {SENSOR, 0x30, 0x04, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x07, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0xf4}, + {SENSOR, MT9M111_SC_GLOBAL_GAIN, 0x00, 0xea}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x07, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x09}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x0c}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x04}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xb3, 0x00}, + {SENSOR, MT9M111_CP_GLOBAL_CLK_CONTROL, 0x00, 0x03}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x05}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 0x10}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 0x01}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 0x01}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xcd, 0x00}, + {SENSOR, 0xcd, 0x00, 0x0e}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xd0, 0x00}, + {SENSOR, 0xd0, 0x00, 0x40}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x07}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, 0x08}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x18}, + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x04}, + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x08}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_B, 0x01, 0x03}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x03}, + {SENSOR, 0x30, 0x04, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x07, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0xf4}, + {SENSOR, MT9M111_SC_GLOBAL_GAIN, 0x00, 0xea}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x09}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x0c}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x04}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xb3, 0x00}, + {SENSOR, MT9M111_CP_GLOBAL_CLK_CONTROL, 0x00, 0x03}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x05}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 0x10}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 0x01}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 0x01}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xcd, 0x00}, + {SENSOR, 0xcd, 0x00, 0x0e}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xd0, 0x00}, + {SENSOR, 0xd0, 0x00, 0x40}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x07}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, 0x08}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x18}, + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x04}, + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x08}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x38}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_B, 0x01, 0x03}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x03}, + {SENSOR, 0x30, 0x04, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x07, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0xf4}, + {SENSOR, MT9M111_SC_GLOBAL_GAIN, 0x00, 0xea}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x09}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x0c}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x04}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xb3, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CP_GLOBAL_CLK_CONTROL, 0x00, 0x03}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x05}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 0x10}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 0x01}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 0x01}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xcd, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0xcd, 0x00, 0x0e}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xd0, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0xd0, 0x00, 0x40}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x07}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, 0x08}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x12}, + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x00}, + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x10}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x60}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x60}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_B, 0x01, 0x0f}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x0f}, + {SENSOR, 0x30, 0x04, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe3, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x87, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0x90}, + {SENSOR, MT9M111_SC_GLOBAL_GAIN, 0x00, 0xe6}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x09}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x0c}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x04}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xb3, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CP_GLOBAL_CLK_CONTROL, 0x00, 0x03}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3e, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x07, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x0b, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a, 0x00}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x05}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x29}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x0d, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_SC_RESET, 0x00, 0x08}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x01}, + {SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00, 0x10}, + {SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, 0x01}, + {SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, 0x01}, + {SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00}, + {SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00}, + {SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_B, 0x14, 0x00}, + + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xcd, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0xcd, 0x00, 0x0e}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0xd0, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0xd0, 0x00, 0x40}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x02}, + {SENSOR, MT9M111_CC_AUTO_EXPOSURE_PARAMETER_18, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x07}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x28, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, MT9M111_CC_AWB_PARAMETER_7, 0xef, 0x03}, + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + {SENSOR, 0x33, 0x03, 0x49}, + {BRIDGE, M5602_XB_I2C_DEV_ADDR, 0xba, 0x00}, + {BRIDGE, M5602_XB_I2C_REG_ADDR, 0x33, 0x00}, + {BRIDGE, M5602_XB_I2C_CTRL, 0x1a, 0x00}, + + {SENSOR, 0x33, 0x03, 0x49}, + {SENSOR, 0x34, 0xc0, 0x19}, + {SENSOR, 0x3f, 0x20, 0x20}, + {SENSOR, 0x40, 0x20, 0x20}, + {SENSOR, 0x5a, 0xc0, 0x0a}, + {SENSOR, 0x70, 0x7b, 0x0a}, + {SENSOR, 0x71, 0xff, 0x00}, + {SENSOR, 0x72, 0x19, 0x0e}, + {SENSOR, 0x73, 0x18, 0x0f}, + {SENSOR, 0x74, 0x57, 0x32}, + {SENSOR, 0x75, 0x56, 0x34}, + {SENSOR, 0x76, 0x73, 0x35}, + {SENSOR, 0x77, 0x30, 0x12}, + {SENSOR, 0x78, 0x79, 0x02}, + {SENSOR, 0x79, 0x75, 0x06}, + {SENSOR, 0x7a, 0x77, 0x0a}, + {SENSOR, 0x7b, 0x78, 0x09}, + {SENSOR, 0x7c, 0x7d, 0x06}, + {SENSOR, 0x7d, 0x31, 0x10}, + {SENSOR, 0x7e, 0x00, 0x7e}, + {SENSOR, 0x80, 0x59, 0x04}, + {SENSOR, 0x81, 0x59, 0x04}, + {SENSOR, 0x82, 0x57, 0x0a}, + {SENSOR, 0x83, 0x58, 0x0b}, + {SENSOR, 0x84, 0x47, 0x0c}, + {SENSOR, 0x85, 0x48, 0x0e}, + {SENSOR, 0x86, 0x5b, 0x02}, + {SENSOR, 0x87, 0x00, 0x5c}, + {SENSOR, MT9M111_CONTEXT_CONTROL, 0x00, 0x08}, + {SENSOR, 0x60, 0x00, 0x80}, + {SENSOR, 0x61, 0x00, 0x00}, + {SENSOR, 0x62, 0x00, 0x00}, + {SENSOR, 0x63, 0x00, 0x00}, + {SENSOR, 0x64, 0x00, 0x00}, + + {SENSOR, MT9M111_SC_ROWSTART, 0x00, 0x0d}, + {SENSOR, MT9M111_SC_COLSTART, 0x00, 0x12}, + {SENSOR, MT9M111_SC_WINDOW_HEIGHT, 0x04, 0x00}, + {SENSOR, MT9M111_SC_WINDOW_WIDTH, 0x05, 0x10}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_B, 0x01, 0x60}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_B, 0x00, 0x11}, + {SENSOR, MT9M111_SC_HBLANK_CONTEXT_A, 0x01, 0x60}, + {SENSOR, MT9M111_SC_VBLANK_CONTEXT_A, 0x00, 0x11}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_B, 0x01, 0x0f}, + {SENSOR, MT9M111_SC_R_MODE_CONTEXT_A, 0x01, 0x0f}, + {SENSOR, 0x30, 0x04, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x7f, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, MT9M111_PAGE_MAP, 0x00, 0x00}, + /* Set number of blank rows chosen to 400 */ + {SENSOR, MT9M111_SC_SHUTTER_WIDTH, 0x01, 0x90}, + /* Set the global gain to 283 (of 512) */ + {SENSOR, MT9M111_SC_GLOBAL_GAIN, 0x03, 0x63} +}; + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c new file mode 100644 index 000000000000..74c3ffec0ca2 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c @@ -0,0 +1,544 @@ +/* + * Driver for the ov9650 sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_ov9650.h" + +int ov9650_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + + /* The ov9650 registers have a max depth of one byte */ + if (len > 1 || !len) + return -EINVAL; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + + m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + ov9650.i2c_slave_id); + m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x10 + len); + m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x08); + + for (i = 0; i < len; i++) { + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(DBG_TRACE, "Reading sensor register " + "0x%x containing 0x%x ", address, *i2c_data); + } + return (err < 0) ? err : 0; +} + +int ov9650_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* The ov9650 only supports one byte writes */ + if (len > 1 || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, + sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + /* Special case larger sensor writes */ + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the tailer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +int ov9650_probe(struct sd *sd) +{ + u8 prod_id = 0, ver_id = 0, i; + + if (force_sensor) { + if (force_sensor == OV9650_SENSOR) { + info("Forcing an %s sensor", ov9650.name); + goto sensor_found; + } + /* If we want to force another sensor, + don't try to probe this one */ + return -ENODEV; + } + + info("Probing for an ov9650 sensor"); + + /* Run the pre-init to actually probe the unit */ + for (i = 0; i < ARRAY_SIZE(preinit_ov9650); i++) { + u8 data = preinit_ov9650[i][2]; + if (preinit_ov9650[i][0] == SENSOR) + ov9650_write_sensor(sd, + preinit_ov9650[i][1], &data, 1); + else + m5602_write_bridge(sd, preinit_ov9650[i][1], data); + } + + if (ov9650_read_sensor(sd, OV9650_PID, &prod_id, 1)) + return -ENODEV; + + if (ov9650_read_sensor(sd, OV9650_VER, &ver_id, 1)) + return -ENODEV; + + if ((prod_id == 0x96) && (ver_id == 0x52)) { + info("Detected an ov9650 sensor"); + goto sensor_found; + } + + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = ov9650.modes; + sd->gspca_dev.cam.nmodes = ov9650.nmodes; + return 0; +} + +int ov9650_init(struct sd *sd) +{ + int i, err = 0; + u8 data; + + if (dump_sensor) + ov9650_dump_registers(sd); + + for (i = 0; i < ARRAY_SIZE(init_ov9650) && !err; i++) { + data = init_ov9650[i][2]; + if (init_ov9650[i][0] == SENSOR) + err = ov9650_write_sensor(sd, init_ov9650[i][1], + &data, 1); + else + err = m5602_write_bridge(sd, init_ov9650[i][1], data); + } + + if (!err && dmi_check_system(ov9650_flip_dmi_table)) { + info("vflip quirk active"); + data = 0x30; + err = ov9650_write_sensor(sd, OV9650_MVFP, &data, 1); + } + + return (err < 0) ? err : 0; +} + +int ov9650_power_down(struct sd *sd) +{ + int i; + for (i = 0; i < ARRAY_SIZE(power_down_ov9650); i++) { + u8 data = power_down_ov9650[i][2]; + if (power_down_ov9650[i][0] == SENSOR) + ov9650_write_sensor(sd, + power_down_ov9650[i][1], &data, 1); + else + m5602_write_bridge(sd, power_down_ov9650[i][1], data); + } + + return 0; +} + +int ov9650_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = ov9650_read_sensor(sd, OV9650_COM1, &i2c_data, 1); + if (err < 0) + goto out; + *val = i2c_data & 0x03; + + err = ov9650_read_sensor(sd, OV9650_AECH, &i2c_data, 1); + if (err < 0) + goto out; + *val |= (i2c_data << 2); + + err = ov9650_read_sensor(sd, OV9650_AECHM, &i2c_data, 1); + if (err < 0) + goto out; + *val |= (i2c_data & 0x3f) << 10; + + PDEBUG(DBG_V4L2_CID, "Read exposure %d", *val); +out: + return (err < 0) ? err : 0; +} + +int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + PDEBUG(DBG_V4L2_CID, "Set exposure to %d", + val & 0xffff); + + /* The 6 MSBs */ + i2c_data = (val >> 10) & 0x3f; + err = ov9650_write_sensor(sd, OV9650_AECHM, + &i2c_data, 1); + if (err < 0) + goto out; + + /* The 8 middle bits */ + i2c_data = (val >> 2) & 0xff; + err = ov9650_write_sensor(sd, OV9650_AECH, + &i2c_data, 1); + if (err < 0) + goto out; + + /* The 2 LSBs */ + i2c_data = val & 0x03; + err = ov9650_write_sensor(sd, OV9650_COM1, &i2c_data, 1); + +out: + return (err < 0) ? err : 0; +} + +int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + ov9650_read_sensor(sd, OV9650_VREF, &i2c_data, 1); + *val = (i2c_data & 0x03) << 8; + + err = ov9650_read_sensor(sd, OV9650_GAIN, &i2c_data, 1); + *val |= i2c_data; + PDEBUG(DBG_V4L2_CID, "Read gain %d", *val); + return (err < 0) ? err : 0; +} + +int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + /* The 2 MSB */ + /* Read the OV9650_VREF register first to avoid + corrupting the VREF high and low bits */ + ov9650_read_sensor(sd, OV9650_VREF, &i2c_data, 1); + /* Mask away all uninteresting bits */ + i2c_data = ((val & 0x0300) >> 2) | + (i2c_data & 0x3F); + err = ov9650_write_sensor(sd, OV9650_VREF, &i2c_data, 1); + + /* The 8 LSBs */ + i2c_data = val & 0xff; + err = ov9650_write_sensor(sd, OV9650_GAIN, &i2c_data, 1); + return (err < 0) ? err : 0; +} + +int ov9650_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_RED, &i2c_data, 1); + *val = i2c_data; + + PDEBUG(DBG_V4L2_CID, "Read red gain %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set red gain to %d", + val & 0xff); + + i2c_data = val & 0xff; + err = ov9650_write_sensor(sd, OV9650_RED, &i2c_data, 1); + + return (err < 0) ? err : 0; +} + +int ov9650_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_BLUE, &i2c_data, 1); + *val = i2c_data; + + PDEBUG(DBG_V4L2_CID, "Read blue gain %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set blue gain to %d", + val & 0xff); + + i2c_data = val & 0xff; + err = ov9650_write_sensor(sd, OV9650_BLUE, &i2c_data, 1); + + return (err < 0) ? err : 0; +} + +int ov9650_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1); + if (dmi_check_system(ov9650_flip_dmi_table)) + *val = ((i2c_data & OV9650_HFLIP) >> 5) ? 0 : 1; + else + *val = (i2c_data & OV9650_HFLIP) >> 5; + PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d", val); + err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1); + if (err < 0) + goto out; + + if (dmi_check_system(ov9650_flip_dmi_table)) + i2c_data = ((i2c_data & 0xdf) | + (((val ? 0 : 1) & 0x01) << 5)); + else + i2c_data = ((i2c_data & 0xdf) | + ((val & 0x01) << 5)); + + err = ov9650_write_sensor(sd, OV9650_MVFP, &i2c_data, 1); +out: + return (err < 0) ? err : 0; +} + +int ov9650_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1); + if (dmi_check_system(ov9650_flip_dmi_table)) + *val = ((i2c_data & 0x10) >> 4) ? 0 : 1; + else + *val = (i2c_data & 0x10) >> 4; + PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val); + err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1); + if (err < 0) + goto out; + + if (dmi_check_system(ov9650_flip_dmi_table)) + i2c_data = ((i2c_data & 0xef) | + (((val ? 0 : 1) & 0x01) << 4)); + else + i2c_data = ((i2c_data & 0xef) | + ((val & 0x01) << 4)); + + err = ov9650_write_sensor(sd, OV9650_MVFP, &i2c_data, 1); +out: + return (err < 0) ? err : 0; +} + +int ov9650_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_VREF, &i2c_data, 1); + if (err < 0) + goto out; + *val = (i2c_data & 0x03) << 8; + + err = ov9650_read_sensor(sd, OV9650_GAIN, &i2c_data, 1); + *val |= i2c_data; + PDEBUG(DBG_V4L2_CID, "Read gain %d", *val); +out: + return (err < 0) ? err : 0; +} + +int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set gain to %d", val & 0x3ff); + + /* Read the OV9650_VREF register first to avoid + corrupting the VREF high and low bits */ + err = ov9650_read_sensor(sd, OV9650_VREF, &i2c_data, 1); + if (err < 0) + goto out; + + /* Mask away all uninteresting bits */ + i2c_data = ((val & 0x0300) >> 2) | (i2c_data & 0x3F); + err = ov9650_write_sensor(sd, OV9650_VREF, &i2c_data, 1); + if (err < 0) + goto out; + + /* The 8 LSBs */ + i2c_data = val & 0xff; + err = ov9650_write_sensor(sd, OV9650_GAIN, &i2c_data, 1); + +out: + return (err < 0) ? err : 0; +} + +int ov9650_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + *val = (i2c_data & OV9650_AWB_EN) >> 1; + PDEBUG(DBG_V4L2_CID, "Read auto white balance %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set auto white balance to %d", val); + err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + if (err < 0) + goto out; + + i2c_data = ((i2c_data & 0xfd) | ((val & 0x01) << 1)); + err = ov9650_write_sensor(sd, OV9650_COM8, &i2c_data, 1); +out: + return (err < 0) ? err : 0; +} + +int ov9650_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + *val = (i2c_data & OV9650_AGC_EN) >> 2; + PDEBUG(DBG_V4L2_CID, "Read auto gain control %d", *val); + + return (err < 0) ? err : 0; +} + +int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(DBG_V4L2_CID, "Set auto gain control to %d", val); + err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1); + if (err < 0) + goto out; + + i2c_data = ((i2c_data & 0xfb) | ((val & 0x01) << 2)); + err = ov9650_write_sensor(sd, OV9650_COM8, &i2c_data, 1); +out: + return (err < 0) ? err : 0; +} + +void ov9650_dump_registers(struct sd *sd) +{ + int address; + info("Dumping the ov9650 register state"); + for (address = 0; address < 0xa9; address++) { + u8 value; + ov9650_read_sensor(sd, address, &value, 1); + info("register 0x%x contains 0x%x", + address, value); + } + + info("ov9650 register state dump complete"); + + info("Probing for which registers that are read/write"); + for (address = 0; address < 0xff; address++) { + u8 old_value, ctrl_value; + u8 test_value[2] = {0xff, 0xff}; + + ov9650_read_sensor(sd, address, &old_value, 1); + ov9650_write_sensor(sd, address, test_value, 1); + ov9650_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value[0]) + info("register 0x%x is writeable", address); + else + info("register 0x%x is read only", address); + + /* Restore original value */ + ov9650_write_sensor(sd, address, &old_value, 1); + } +} diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.h b/drivers/media/video/gspca/m5602/m5602_ov9650.h new file mode 100644 index 000000000000..486ea337a8b4 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_ov9650.h @@ -0,0 +1,501 @@ +/* + * Driver for the ov9650 sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_OV9650_H_ +#define M5602_OV9650_H_ + +#include + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define OV9650_GAIN 0x00 +#define OV9650_BLUE 0x01 +#define OV9650_RED 0x02 +#define OV9650_VREF 0x03 +#define OV9650_COM1 0x04 +#define OV9650_BAVE 0x05 +#define OV9650_GEAVE 0x06 +#define OV9650_RSVD7 0x07 +#define OV9650_PID 0x0a +#define OV9650_VER 0x0b +#define OV9650_COM3 0x0c +#define OV9650_COM5 0x0e +#define OV9650_COM6 0x0f +#define OV9650_AECH 0x10 +#define OV9650_CLKRC 0x11 +#define OV9650_COM7 0x12 +#define OV9650_COM8 0x13 +#define OV9650_COM9 0x14 +#define OV9650_COM10 0x15 +#define OV9650_RSVD16 0x16 +#define OV9650_HSTART 0x17 +#define OV9650_HSTOP 0x18 +#define OV9650_VSTRT 0x19 +#define OV9650_VSTOP 0x1a +#define OV9650_PSHFT 0x1b +#define OV9650_MVFP 0x1e +#define OV9650_AEW 0x24 +#define OV9650_AEB 0x25 +#define OV9650_VPT 0x26 +#define OV9650_BBIAS 0x27 +#define OV9650_GbBIAS 0x28 +#define OV9650_Gr_COM 0x29 +#define OV9650_RBIAS 0x2c +#define OV9650_HREF 0x32 +#define OV9650_CHLF 0x33 +#define OV9650_ARBLM 0x34 +#define OV9650_RSVD35 0x35 +#define OV9650_RSVD36 0x36 +#define OV9650_ADC 0x37 +#define OV9650_ACOM38 0x38 +#define OV9650_OFON 0x39 +#define OV9650_TSLB 0x3a +#define OV9650_COM12 0x3c +#define OV9650_COM13 0x3d +#define OV9650_COM15 0x40 +#define OV9650_COM16 0x41 +#define OV9650_LCC1 0x62 +#define OV9650_LCC2 0x63 +#define OV9650_LCC3 0x64 +#define OV9650_LCC4 0x65 +#define OV9650_LCC5 0x66 +#define OV9650_HV 0x69 +#define OV9650_DBLV 0x6b +#define OV9650_COM21 0x8b +#define OV9650_COM22 0x8c +#define OV9650_COM24 0x8e +#define OV9650_DBLC1 0x8f +#define OV9650_RSVD94 0x94 +#define OV9650_RSVD95 0x95 +#define OV9650_RSVD96 0x96 +#define OV9650_LCCFB 0x9d +#define OV9650_LCCFR 0x9e +#define OV9650_AECHM 0xa1 +#define OV9650_COM26 0xa5 +#define OV9650_ACOMA8 0xa8 +#define OV9650_ACOMA9 0xa9 + +#define OV9650_REGISTER_RESET (1 << 7) +#define OV9650_VGA_SELECT (1 << 6) +#define OV9650_RGB_SELECT (1 << 2) +#define OV9650_RAW_RGB_SELECT (1 << 0) + +#define OV9650_FAST_AGC_AEC (1 << 7) +#define OV9650_AEC_UNLIM_STEP_SIZE (1 << 6) +#define OV9650_BANDING (1 << 5) +#define OV9650_AGC_EN (1 << 2) +#define OV9650_AWB_EN (1 << 1) +#define OV9650_AEC_EN (1 << 0) + +#define OV9650_VARIOPIXEL (1 << 2) +#define OV9650_SYSTEM_CLK_SEL (1 << 7) +#define OV9650_SLAM_MODE (1 << 4) + +#define OV9650_VFLIP (1 << 4) +#define OV9650_HFLIP (1 << 5) + +#define GAIN_DEFAULT 0x14 +#define RED_GAIN_DEFAULT 0x70 +#define BLUE_GAIN_DEFAULT 0x20 +#define EXPOSURE_DEFAULT 0x5003 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern int dump_sensor; +extern unsigned int m5602_debug; + +int ov9650_probe(struct sd *sd); +int ov9650_init(struct sd *sd); +int ov9650_power_down(struct sd *sd); + +int ov9650_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); +int ov9650_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +void ov9650_dump_registers(struct sd *sd); + +int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val); +int ov9650_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val); +int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val); + +static struct m5602_sensor ov9650 = { + .name = "OV9650", + .i2c_slave_id = 0x60, + .probe = ov9650_probe, + .init = ov9650_init, + .power_down = ov9650_power_down, + .read_sensor = ov9650_read_sensor, + .write_sensor = ov9650_write_sensor, + + .nctrls = 8, + .ctrls = { + { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "exposure", + .minimum = 0x00, + .maximum = 0xffff, + .step = 0x1, + .default_value = EXPOSURE_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov9650_set_exposure, + .get = ov9650_get_exposure + }, { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "gain", + .minimum = 0x00, + .maximum = 0x3ff, + .step = 0x1, + .default_value = GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov9650_set_gain, + .get = ov9650_get_gain + }, { + { + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "red balance", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = RED_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov9650_set_red_balance, + .get = ov9650_get_red_balance + }, { + { + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "blue balance", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = BLUE_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov9650_set_blue_balance, + .get = ov9650_get_blue_balance + }, { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "horizontal flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = ov9650_set_hflip, + .get = ov9650_get_hflip + }, { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = ov9650_set_vflip, + .get = ov9650_get_vflip + }, { + { + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto white balance", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = ov9650_set_auto_white_balance, + .get = ov9650_get_auto_white_balance + }, { + { + .id = V4L2_CID_AUTOGAIN, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto gain control", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = ov9650_set_auto_gain, + .get = ov9650_get_auto_gain + } + }, + + .nmodes = 1, + .modes = { + { + M5602_DEFAULT_FRAME_WIDTH, + M5602_DEFAULT_FRAME_HEIGHT, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + M5602_DEFAULT_FRAME_WIDTH * M5602_DEFAULT_FRAME_HEIGHT, + .bytesperline = M5602_DEFAULT_FRAME_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } + } +}; + +static const unsigned char preinit_ov9650[][3] = +{ + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40} +}; + +static const unsigned char init_ov9650[][3] = +{ + /* [INITCAM] */ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a}, + /* Reset chip */ + {SENSOR, OV9650_COM7, OV9650_REGISTER_RESET}, + /* Enable double clock */ + {SENSOR, OV9650_CLKRC, 0x80}, + /* Do something out of spec with the power */ + {SENSOR, OV9650_OFON, 0x40}, + + /* Set QQVGA */ + {SENSOR, OV9650_COM1, 0x20}, + /* Set fast AGC/AEC algorithm with unlimited step size */ + {SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC | + OV9650_AEC_UNLIM_STEP_SIZE | + OV9650_AWB_EN | OV9650_AGC_EN}, + + {SENSOR, OV9650_CHLF, 0x10}, + {SENSOR, OV9650_ARBLM, 0xbf}, + {SENSOR, OV9650_ACOM38, 0x81}, + /* Turn off color matrix coefficient double option */ + {SENSOR, OV9650_COM16, 0x00}, + /* Enable color matrix for RGB/YUV, Delay Y channel, + set output Y/UV delay to 1 */ + {SENSOR, OV9650_COM13, 0x19}, + /* Enable digital BLC, Set output mode to U Y V Y */ + {SENSOR, OV9650_TSLB, 0x0c}, + /* Limit the AGC/AEC stable upper region */ + {SENSOR, OV9650_COM24, 0x00}, + /* Enable HREF and some out of spec things */ + {SENSOR, OV9650_COM12, 0x73}, + /* Set all DBLC offset signs to positive and + do some out of spec stuff */ + {SENSOR, OV9650_DBLC1, 0xdf}, + {SENSOR, OV9650_COM21, 0x06}, + {SENSOR, OV9650_RSVD35, 0x91}, + /* Necessary, no camera stream without it */ + {SENSOR, OV9650_RSVD16, 0x06}, + {SENSOR, OV9650_RSVD94, 0x99}, + {SENSOR, OV9650_RSVD95, 0x99}, + {SENSOR, OV9650_RSVD96, 0x04}, + /* Enable full range output */ + {SENSOR, OV9650_COM15, 0x0}, + /* Enable HREF at optical black, enable ADBLC bias, + enable ADBLC, reset timings at format change */ + {SENSOR, OV9650_COM6, 0x4b}, + /* Subtract 32 from the B channel bias */ + {SENSOR, OV9650_BBIAS, 0xa0}, + /* Subtract 32 from the Gb channel bias */ + {SENSOR, OV9650_GbBIAS, 0xa0}, + /* Do not bypass the analog BLC and to some out of spec stuff */ + {SENSOR, OV9650_Gr_COM, 0x00}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0xa0}, + /* Subtract 32 from the R channel bias */ + {SENSOR, OV9650_RBIAS, 0x0}, + {SENSOR, OV9650_COM26, 0x80}, + {SENSOR, OV9650_ACOMA9, 0x98}, + /* Set the AGC/AEC stable region upper limit */ + {SENSOR, OV9650_AEW, 0x68}, + /* Set the AGC/AEC stable region lower limit */ + {SENSOR, OV9650_AEB, 0x5c}, + /* Set the high and low limit nibbles to 3 */ + {SENSOR, OV9650_VPT, 0xc3}, + /* Set the Automatic Gain Ceiling (AGC) to 128x, + drop VSYNC at frame drop, + limit exposure timing, + drop frame when the AEC step is larger than the exposure gap */ + {SENSOR, OV9650_COM9, 0x6e}, + /* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync) + and set PWDN to SLVS (slave mode vertical sync) */ + {SENSOR, OV9650_COM10, 0x42}, + /* Set horizontal column start high to default value */ + {SENSOR, OV9650_HSTART, 0x1a}, + /* Set horizontal column end */ + {SENSOR, OV9650_HSTOP, 0xbf}, + /* Complementing register to the two writes above */ + {SENSOR, OV9650_HREF, 0xb2}, + /* Set vertical row start high bits */ + {SENSOR, OV9650_VSTRT, 0x02}, + /* Set vertical row end low bits */ + {SENSOR, OV9650_VSTOP, 0x7e}, + /* Set complementing vertical frame control */ + {SENSOR, OV9650_VREF, 0x10}, + /* Set raw RGB output format with VGA resolution */ + {SENSOR, OV9650_COM7, OV9650_VGA_SELECT | + OV9650_RGB_SELECT | + OV9650_RAW_RGB_SELECT}, + {SENSOR, OV9650_ADC, 0x04}, + {SENSOR, OV9650_HV, 0x40}, + /* Enable denoise, and white-pixel erase */ + {SENSOR, OV9650_COM22, 0x23}, + + /* Set the high bits of the exposure value */ + {SENSOR, OV9650_AECH, ((EXPOSURE_DEFAULT & 0xff00) >> 8)}, + + /* Set the low bits of the exposure value */ + {SENSOR, OV9650_COM1, (EXPOSURE_DEFAULT & 0xff)}, + {SENSOR, OV9650_GAIN, GAIN_DEFAULT}, + {SENSOR, OV9650_BLUE, BLUE_GAIN_DEFAULT}, + {SENSOR, OV9650_RED, RED_GAIN_DEFAULT}, + + {SENSOR, OV9650_COM3, OV9650_VARIOPIXEL}, + {SENSOR, OV9650_COM5, OV9650_SYSTEM_CLK_SEL}, + + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x09}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x5e}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0xde} +}; + +static const unsigned char power_down_ov9650[][3] = +{ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {SENSOR, OV9650_COM7, 0x80}, + {SENSOR, OV9650_OFON, 0xf4}, + {SENSOR, OV9650_MVFP, 0x80}, + {SENSOR, OV9650_DBLV, 0x3f}, + {SENSOR, OV9650_RSVD36, 0x49}, + {SENSOR, OV9650_COM7, 0x05}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0} +}; + +/* Vertically and horizontally flips the image if matched, needed for machines + where the sensor is mounted upside down */ +static const struct dmi_system_id ov9650_flip_dmi_table[] = { + { + .ident = "ASUS A6VC", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6VC") + } + }, + { + .ident = "ASUS A6VM", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6VM") + } + }, + { + .ident = "ASUS A6JC", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6JC") + } + }, + { + .ident = "ASUS A6Kt", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "A6Kt") + } + }, + { } +}; + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c new file mode 100644 index 000000000000..14a8f929dd18 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -0,0 +1,334 @@ +/* + * Driver for the po1030 sensor + * + * Copyright (c) 2008 Erik Andren + * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (c) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_po1030.h" + +int po1030_probe(struct sd *sd) +{ + u8 prod_id = 0, ver_id = 0, i; + + if (force_sensor) { + if (force_sensor == PO1030_SENSOR) { + info("Forcing a %s sensor", po1030.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + info("Probing for a po1030 sensor"); + + /* Run the pre-init to actually probe the unit */ + for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) { + u8 data = preinit_po1030[i][2]; + if (preinit_po1030[i][0] == SENSOR) + po1030_write_sensor(sd, + preinit_po1030[i][1], &data, 1); + else + m5602_write_bridge(sd, preinit_po1030[i][1], data); + } + + if (po1030_read_sensor(sd, 0x3, &prod_id, 1)) + return -ENODEV; + + if (po1030_read_sensor(sd, 0x4, &ver_id, 1)) + return -ENODEV; + + if ((prod_id == 0x02) && (ver_id == 0xef)) { + info("Detected a po1030 sensor"); + goto sensor_found; + } + return -ENODEV; + +sensor_found: + sd->gspca_dev.cam.cam_mode = po1030.modes; + sd->gspca_dev.cam.nmodes = po1030.nmodes; + return 0; +} + +int po1030_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + + m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + sd->sensor->i2c_slave_id); + m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x10 + len); + m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x08); + + for (i = 0; i < len; i++) { + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(DBG_TRACE, "Reading sensor register " + "0x%x containing 0x%x ", address, *i2c_data); + } + return (err < 0) ? err : 0; +} + +int po1030_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* The po1030 only supports one byte writes */ + if (len > 1 || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the footer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +int po1030_init(struct sd *sd) +{ + int i, err = 0; + + /* Init the sensor */ + for (i = 0; i < ARRAY_SIZE(init_po1030); i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_po1030[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_po1030[i][1], + init_po1030[i][2]); + break; + + case SENSOR: + data[0] = init_po1030[i][2]; + err = po1030_write_sensor(sd, + init_po1030[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_po1030[i][2]; + data[1] = init_po1030[i][3]; + err = po1030_write_sensor(sd, + init_po1030[i][1], data, 2); + break; + default: + info("Invalid stream command, exiting init"); + return -EINVAL; + } + } + + if (dump_sensor) + po1030_dump_registers(sd); + + return (err < 0) ? err : 0; +} + +int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = po1030_read_sensor(sd, PO1030_REG_INTEGLINES_H, + &i2c_data, 1); + if (err < 0) + goto out; + *val = (i2c_data << 8); + + err = po1030_read_sensor(sd, PO1030_REG_INTEGLINES_M, + &i2c_data, 1); + *val |= i2c_data; + + PDEBUG(DBG_V4L2_CID, "Exposure read as %d", *val); +out: + return (err < 0) ? err : 0; +} + +int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + PDEBUG(DBG_V4L2, "Set exposure to %d", val & 0xffff); + + i2c_data = ((val & 0xff00) >> 8); + PDEBUG(DBG_V4L2, "Set exposure to high byte to 0x%x", + i2c_data); + + err = po1030_write_sensor(sd, PO1030_REG_INTEGLINES_H, + &i2c_data, 1); + if (err < 0) + goto out; + + i2c_data = (val & 0xff); + PDEBUG(DBG_V4L2, "Set exposure to low byte to 0x%x", + i2c_data); + err = po1030_write_sensor(sd, PO1030_REG_INTEGLINES_M, + &i2c_data, 1); + +out: + return (err < 0) ? err : 0; +} + +int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = po1030_read_sensor(sd, PO1030_REG_GLOBALGAIN, + &i2c_data, 1); + *val = i2c_data; + PDEBUG(DBG_V4L2_CID, "Read global gain %d", *val); + + return (err < 0) ? err : 0; +} + +int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(DBG_V4L2, "Set global gain to %d", i2c_data); + err = po1030_write_sensor(sd, PO1030_REG_GLOBALGAIN, + &i2c_data, 1); + return (err < 0) ? err : 0; +} + +int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = po1030_read_sensor(sd, PO1030_REG_RED_GAIN, + &i2c_data, 1); + *val = i2c_data; + PDEBUG(DBG_V4L2_CID, "Read red gain %d", *val); + return (err < 0) ? err : 0; +} + +int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + i2c_data = val & 0xff; + PDEBUG(DBG_V4L2, "Set red gain to %d", i2c_data); + err = po1030_write_sensor(sd, PO1030_REG_RED_GAIN, + &i2c_data, 1); + return (err < 0) ? err : 0; +} + +int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + + err = po1030_read_sensor(sd, PO1030_REG_BLUE_GAIN, + &i2c_data, 1); + *val = i2c_data; + PDEBUG(DBG_V4L2_CID, "Read blue gain %d", *val); + + return (err < 0) ? err : 0; +} + +int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 i2c_data; + int err; + i2c_data = val & 0xff; + PDEBUG(DBG_V4L2, "Set blue gain to %d", i2c_data); + err = po1030_write_sensor(sd, PO1030_REG_BLUE_GAIN, + &i2c_data, 1); + + return (err < 0) ? err : 0; +} + +int po1030_power_down(struct sd *sd) +{ + return 0; +} + +void po1030_dump_registers(struct sd *sd) +{ + int address; + u8 value = 0; + + info("Dumping the po1030 sensor core registers"); + for (address = 0; address < 0x7f; address++) { + po1030_read_sensor(sd, address, &value, 1); + info("register 0x%x contains 0x%x", + address, value); + } + + info("po1030 register state dump complete"); + + info("Probing for which registers that are read/write"); + for (address = 0; address < 0xff; address++) { + u8 old_value, ctrl_value; + u8 test_value[2] = {0xff, 0xff}; + + po1030_read_sensor(sd, address, &old_value, 1); + po1030_write_sensor(sd, address, test_value, 1); + po1030_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value[0]) + info("register 0x%x is writeable", address); + else + info("register 0x%x is read only", address); + + /* Restore original value */ + po1030_write_sensor(sd, address, &old_value, 1); + } +} diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.h b/drivers/media/video/gspca/m5602/m5602_po1030.h new file mode 100644 index 000000000000..68f34c97bf44 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_po1030.h @@ -0,0 +1,478 @@ +/* + * Driver for the po1030 sensor. + * This is probably a pixel plus sensor but we haven't identified it yet + * + * Copyright (c) 2008 Erik Andren + * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (c) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * Register defines taken from Pascal Stangs Proxycon Armlib + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_PO1030_H_ +#define M5602_PO1030_H_ + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define PO1030_REG_DEVID_H 0x00 +#define PO1030_REG_DEVID_L 0x01 +#define PO1030_REG_FRAMEWIDTH_H 0x04 +#define PO1030_REG_FRAMEWIDTH_L 0x05 +#define PO1030_REG_FRAMEHEIGHT_H 0x06 +#define PO1030_REG_FRAMEHEIGHT_L 0x07 +#define PO1030_REG_WINDOWX_H 0x08 +#define PO1030_REG_WINDOWX_L 0x09 +#define PO1030_REG_WINDOWY_H 0x0a +#define PO1030_REG_WINDOWY_L 0x0b +#define PO1030_REG_WINDOWWIDTH_H 0x0c +#define PO1030_REG_WINDOWWIDTH_L 0x0d +#define PO1030_REG_WINDOWHEIGHT_H 0x0e +#define PO1030_REG_WINDOWHEIGHT_L 0x0f + +#define PO1030_REG_GLOBALIBIAS 0x12 +#define PO1030_REG_PIXELIBIAS 0x13 + +#define PO1030_REG_GLOBALGAIN 0x15 +#define PO1030_REG_RED_GAIN 0x16 +#define PO1030_REG_GREEN_1_GAIN 0x17 +#define PO1030_REG_BLUE_GAIN 0x18 +#define PO1030_REG_GREEN_2_GAIN 0x19 + +#define PO1030_REG_INTEGLINES_H 0x1a +#define PO1030_REG_INTEGLINES_M 0x1b +#define PO1030_REG_INTEGLINES_L 0x1c + +#define PO1030_REG_CONTROL1 0x1d +#define PO1030_REG_CONTROL2 0x1e +#define PO1030_REG_CONTROL3 0x1f +#define PO1030_REG_CONTROL4 0x20 + +#define PO1030_REG_PERIOD50_H 0x23 +#define PO1030_REG_PERIOD50_L 0x24 +#define PO1030_REG_PERIOD60_H 0x25 +#define PO1030_REG_PERIOD60_L 0x26 +#define PO1030_REG_REGCLK167 0x27 +#define PO1030_REG_DELTA50 0x28 +#define PO1030_REG_DELTA60 0x29 + +#define PO1030_REG_ADCOFFSET 0x2c + +/* Gamma Correction Coeffs */ +#define PO1030_REG_GC0 0x2d +#define PO1030_REG_GC1 0x2e +#define PO1030_REG_GC2 0x2f +#define PO1030_REG_GC3 0x30 +#define PO1030_REG_GC4 0x31 +#define PO1030_REG_GC5 0x32 +#define PO1030_REG_GC6 0x33 +#define PO1030_REG_GC7 0x34 + +/* Color Transform Matrix */ +#define PO1030_REG_CT0 0x35 +#define PO1030_REG_CT1 0x36 +#define PO1030_REG_CT2 0x37 +#define PO1030_REG_CT3 0x38 +#define PO1030_REG_CT4 0x39 +#define PO1030_REG_CT5 0x3a +#define PO1030_REG_CT6 0x3b +#define PO1030_REG_CT7 0x3c +#define PO1030_REG_CT8 0x3d + +#define PO1030_REG_AUTOCTRL1 0x3e +#define PO1030_REG_AUTOCTRL2 0x3f + +#define PO1030_REG_YTARGET 0x40 +#define PO1030_REG_GLOBALGAINMIN 0x41 +#define PO1030_REG_GLOBALGAINMAX 0x42 + +/* Output format control */ +#define PO1030_REG_OUTFORMCTRL1 0x5a +#define PO1030_REG_OUTFORMCTRL2 0x5b +#define PO1030_REG_OUTFORMCTRL3 0x5c +#define PO1030_REG_OUTFORMCTRL4 0x5d +#define PO1030_REG_OUTFORMCTRL5 0x5e + +/* Imaging coefficients */ +#define PO1030_REG_YBRIGHT 0x73 +#define PO1030_REG_YCONTRAST 0x74 +#define PO1030_REG_YSATURATION 0x75 + +/*****************************************************************************/ + +#define PO1030_GLOBAL_GAIN_DEFAULT 0x12 +#define PO1030_EXPOSURE_DEFAULT 0xf0ff +#define PO1030_BLUE_GAIN_DEFAULT 0x40 +#define PO1030_RED_GAIN_DEFAULT 0x40 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern int dump_sensor; +extern unsigned int m5602_debug; + +int po1030_probe(struct sd *sd); +int po1030_init(struct sd *sd); +int po1030_power_down(struct sd *sd); + +void po1030_dump_registers(struct sd *sd); + +int po1030_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); +int po1030_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); +int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val); +int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val); +int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val); +int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val); +int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val); + +static struct m5602_sensor po1030 = { + .name = "PO1030", + + .i2c_slave_id = 0xdc, + + .probe = po1030_probe, + .init = po1030_init, + .power_down = po1030_power_down, + + .nctrls = 4, + .ctrls = { + { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "gain", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = PO1030_GLOBAL_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = po1030_set_gain, + .get = po1030_get_gain + }, { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "exposure", + .minimum = 0x00, + .maximum = 0xffff, + .step = 0x1, + .default_value = PO1030_EXPOSURE_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = po1030_set_exposure, + .get = po1030_get_exposure + }, { + { + .id = V4L2_CID_RED_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "red balance", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = PO1030_RED_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = po1030_set_red_balance, + .get = po1030_get_red_balance + }, { + { + .id = V4L2_CID_BLUE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "blue balance", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = PO1030_BLUE_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = po1030_set_blue_balance, + .get = po1030_get_blue_balance + } + }, + .nmodes = 1, + .modes = { + { + M5602_DEFAULT_FRAME_WIDTH, + M5602_DEFAULT_FRAME_HEIGHT, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + M5602_DEFAULT_FRAME_WIDTH * M5602_DEFAULT_FRAME_HEIGHT, + .bytesperline = M5602_DEFAULT_FRAME_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } + } +}; + +static const unsigned char preinit_po1030[][3] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + + {SENSOR, PO1030_REG_AUTOCTRL2, 0x24}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_SIG_INI, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xec}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x87}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + + {SENSOR, PO1030_REG_AUTOCTRL2, 0x24}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00} +}; + +static const unsigned char init_po1030[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0}, + /*sequence 1*/ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d}, + + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + /*end of sequence 1*/ + + /*sequence 2 (same as stop sequence)*/ + {SENSOR, PO1030_REG_AUTOCTRL2, 0x24}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + /*end of sequence 2*/ + + /*sequence 5*/ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_SIG_INI, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xec}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x87}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + /*end of sequence 5*/ + + /*sequence 2 stop */ + {SENSOR, PO1030_REG_AUTOCTRL2, 0x24}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x04}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x02}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x04}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + /*end of sequence 2 stop */ + +/* --------------------------------- + * end of init - begin of start + * --------------------------------- */ + + /*sequence 3*/ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + /*end of sequence 3*/ + /*sequence 4*/ + {BRIDGE, M5602_XB_GPIO_DIR, 0x05}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00}, + + {SENSOR, PO1030_REG_AUTOCTRL2, 0x04}, + + /* Set the width to 751 */ + {SENSOR, PO1030_REG_FRAMEWIDTH_H, 0x02}, + {SENSOR, PO1030_REG_FRAMEWIDTH_L, 0xef}, + + /* Set the height to 540 */ + {SENSOR, PO1030_REG_FRAMEHEIGHT_H, 0x02}, + {SENSOR, PO1030_REG_FRAMEHEIGHT_L, 0x1c}, + + /* Set the x window to 1 */ + {SENSOR, PO1030_REG_WINDOWX_H, 0x00}, + {SENSOR, PO1030_REG_WINDOWX_L, 0x01}, + + /* Set the y window to 1 */ + {SENSOR, PO1030_REG_WINDOWY_H, 0x00}, + {SENSOR, PO1030_REG_WINDOWX_L, 0x01}, + + {SENSOR, PO1030_REG_WINDOWWIDTH_H, 0x02}, + {SENSOR, PO1030_REG_WINDOWWIDTH_L, 0x87}, + {SENSOR, PO1030_REG_WINDOWHEIGHT_H, 0x01}, + {SENSOR, PO1030_REG_WINDOWHEIGHT_L, 0xe3}, + + {SENSOR, PO1030_REG_OUTFORMCTRL2, 0x04}, + {SENSOR, PO1030_REG_OUTFORMCTRL2, 0x04}, + {SENSOR, PO1030_REG_AUTOCTRL1, 0x08}, + {SENSOR, PO1030_REG_CONTROL2, 0x03}, + {SENSOR, 0x21, 0x90}, + {SENSOR, PO1030_REG_YTARGET, 0x60}, + {SENSOR, 0x59, 0x13}, + {SENSOR, PO1030_REG_OUTFORMCTRL1, 0x40}, + {SENSOR, 0x5f, 0x00}, + {SENSOR, 0x60, 0x80}, + {SENSOR, 0x78, 0x14}, + {SENSOR, 0x6f, 0x01}, + {SENSOR, PO1030_REG_CONTROL1, 0x18}, + {SENSOR, PO1030_REG_GLOBALGAINMAX, 0x14}, + {SENSOR, 0x63, 0x38}, + {SENSOR, 0x64, 0x38}, + {SENSOR, PO1030_REG_CONTROL1, 0x58}, + {SENSOR, PO1030_REG_RED_GAIN, 0x30}, + {SENSOR, PO1030_REG_GREEN_1_GAIN, 0x30}, + {SENSOR, PO1030_REG_BLUE_GAIN, 0x30}, + {SENSOR, PO1030_REG_GREEN_2_GAIN, 0x30}, + {SENSOR, PO1030_REG_GC0, 0x10}, + {SENSOR, PO1030_REG_GC1, 0x20}, + {SENSOR, PO1030_REG_GC2, 0x40}, + {SENSOR, PO1030_REG_GC3, 0x60}, + {SENSOR, PO1030_REG_GC4, 0x80}, + {SENSOR, PO1030_REG_GC5, 0xa0}, + {SENSOR, PO1030_REG_GC6, 0xc0}, + {SENSOR, PO1030_REG_GC7, 0xff}, + /*end of sequence 4*/ + /*sequence 5*/ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82}, + {BRIDGE, M5602_XB_SIG_INI, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xec}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x7e}, + {BRIDGE, M5602_XB_SIG_INI, 0x00}, + /*end of sequence 5*/ + + /*sequence 6*/ + /* Changing 40 in f0 the image becomes green in bayer mode and red in + * rgb mode */ + {SENSOR, PO1030_REG_RED_GAIN, PO1030_RED_GAIN_DEFAULT}, + /* in changing 40 in f0 the image becomes green in bayer mode and red in + * rgb mode */ + {SENSOR, PO1030_REG_BLUE_GAIN, PO1030_BLUE_GAIN_DEFAULT}, + + /* with a very low lighted environment increase the exposure but + * decrease the FPS (Frame Per Second) */ + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0}, + + /* Controls high exposure more than SENSOR_LOW_EXPOSURE, use only in + * low lighted environment (f0 is more than ff ?)*/ + {SENSOR, PO1030_REG_INTEGLINES_H, ((PO1030_EXPOSURE_DEFAULT >> 2) + & 0xff)}, + + /* Controls middle exposure, use only in high lighted environment */ + {SENSOR, PO1030_REG_INTEGLINES_M, PO1030_EXPOSURE_DEFAULT & 0xff}, + + /* Controls clarity (not sure) */ + {SENSOR, PO1030_REG_INTEGLINES_L, 0x00}, + /* Controls gain (the image is more lighted) */ + {SENSOR, PO1030_REG_GLOBALGAIN, PO1030_GLOBAL_GAIN_DEFAULT}, + + /* Sets the width */ + {SENSOR, PO1030_REG_FRAMEWIDTH_H, 0x02}, + {SENSOR, PO1030_REG_FRAMEWIDTH_L, 0xef} + /*end of sequence 6*/ +}; + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c new file mode 100644 index 000000000000..3a2ae7a2e267 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c @@ -0,0 +1,460 @@ +/* + * Driver for the s5k4aa sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_s5k4aa.h" + +int s5k4aa_probe(struct sd *sd) +{ + u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75}; + int i, err = 0; + + if (force_sensor) { + if (force_sensor == S5K4AA_SENSOR) { + info("Forcing a %s sensor", s5k4aa.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + info("Probing for a s5k4aa sensor"); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (preinit_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + preinit_s5k4aa[i][1], + preinit_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = preinit_s5k4aa[i][2]; + err = s5k4aa_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 1); + break; + + case SENSOR_LONG: + data[0] = preinit_s5k4aa[i][2]; + data[1] = preinit_s5k4aa[i][3]; + err = s5k4aa_write_sensor(sd, + preinit_s5k4aa[i][1], + data, 2); + break; + default: + info("Invalid stream command, exiting init"); + return -EINVAL; + } + } + + /* Test some registers, but we don't know their exact meaning yet */ + if (s5k4aa_read_sensor(sd, 0x00, prod_id, sizeof(prod_id))) + return -ENODEV; + + if (memcmp(prod_id, expected_prod_id, sizeof(prod_id))) + return -ENODEV; + else + info("Detected a s5k4aa sensor"); +sensor_found: + sd->gspca_dev.cam.cam_mode = s5k4aa.modes; + sd->gspca_dev.cam.nmodes = s5k4aa.nmodes; + return 0; +} + +int s5k4aa_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + sd->sensor->i2c_slave_id); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x18 + len); + if (err < 0) + goto out; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + if (err < 0) + goto out; + + for (i = 0; (i < len) & !err; i++) { + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(DBG_TRACE, "Reading sensor register " + "0x%x containing 0x%x ", address, *i2c_data); + } +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* No sensor with a data width larger than 16 bits has yet been seen */ + if (len > 2 || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, + sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + /* Special case larger sensor writes */ + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the tailer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +int s5k4aa_init(struct sd *sd) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_s5k4aa[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_s5k4aa[i][1], + init_s5k4aa[i][2]); + break; + + case SENSOR: + data[0] = init_s5k4aa[i][2]; + err = s5k4aa_write_sensor(sd, + init_s5k4aa[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_s5k4aa[i][2]; + data[1] = init_s5k4aa[i][3]; + err = s5k4aa_write_sensor(sd, + init_s5k4aa[i][1], data, 2); + break; + default: + info("Invalid stream command, exiting init"); + return -EINVAL; + } + } + + if (dump_sensor) + s5k4aa_dump_registers(sd); + + if (!err && dmi_check_system(s5k4aa_vflip_dmi_table)) { + u8 data = 0x02; + info("vertical flip quirk active"); + s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + s5k4aa_read_sensor(sd, S5K4AA_READ_MODE, &data, 1); + data |= S5K4AA_RM_V_FLIP; + data &= ~S5K4AA_RM_H_FLIP; + s5k4aa_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + + /* Decrement COLSTART to preserve color order (BGGR) */ + s5k4aa_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + data--; + s5k4aa_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + + /* Increment ROWSTART to preserve color order (BGGR) */ + s5k4aa_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + data++; + s5k4aa_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + } + + return (err < 0) ? err : 0; +} + +int s5k4aa_power_down(struct sd *sd) +{ + return 0; +} + +int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + + err = s5k4aa_read_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1); + if (err < 0) + goto out; + + *val = data << 8; + err = s5k4aa_read_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1); + *val |= data; + PDEBUG(DBG_V4L2_CID, "Read exposure %d", *val); +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(DBG_V4L2_CID, "Set exposure to %d", val); + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + data = (val >> 8) & 0xff; + err = s5k4aa_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1); + if (err < 0) + goto out; + data = val & 0xff; + err = s5k4aa_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1); +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + + err = s5k4aa_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + *val = (data & S5K4AA_RM_V_FLIP) >> 7; + PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val); + +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val); + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + err = s5k4aa_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + goto out; + data = ((data & ~S5K4AA_RM_V_FLIP) + | ((val & 0x01) << 7)); + err = s5k4aa_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + goto out; + + if (val) { + err = s5k4aa_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + if (err < 0) + goto out; + + data++; + err = s5k4aa_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + } else { + err = s5k4aa_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + if (err < 0) + goto out; + + data--; + err = s5k4aa_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1); + } +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + + err = s5k4aa_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + *val = (data & S5K4AA_RM_H_FLIP) >> 6; + PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val); +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d", + val); + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + err = s5k4aa_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + goto out; + + data = ((data & ~S5K4AA_RM_H_FLIP) | ((val & 0x01) << 6)); + err = s5k4aa_write_sensor(sd, S5K4AA_READ_MODE, &data, 1); + if (err < 0) + goto out; + + if (val) { + err = s5k4aa_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + goto out; + data++; + err = s5k4aa_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + goto out; + } else { + err = s5k4aa_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + if (err < 0) + goto out; + data--; + err = s5k4aa_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1); + } +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + + err = s5k4aa_read_sensor(sd, S5K4AA_GAIN_2, &data, 1); + *val = data; + PDEBUG(DBG_V4L2_CID, "Read gain %d", *val); + +out: + return (err < 0) ? err : 0; +} + +int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + PDEBUG(DBG_V4L2_CID, "Set gain to %d", val); + err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + goto out; + + data = val & 0xff; + err = s5k4aa_write_sensor(sd, S5K4AA_GAIN_2, &data, 1); + +out: + return (err < 0) ? err : 0; +} + +void s5k4aa_dump_registers(struct sd *sd) +{ + int address; + u8 page, old_page; + s5k4aa_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); + for (page = 0; page < 16; page++) { + s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + info("Dumping the s5k4aa register state for page 0x%x", page); + for (address = 0; address <= 0xff; address++) { + u8 value = 0; + s5k4aa_read_sensor(sd, address, &value, 1); + info("register 0x%x contains 0x%x", + address, value); + } + } + info("s5k4aa register state dump complete"); + + for (page = 0; page < 16; page++) { + s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1); + info("Probing for which registers that are " + "read/write for page 0x%x", page); + for (address = 0; address <= 0xff; address++) { + u8 old_value, ctrl_value, test_value = 0xff; + + s5k4aa_read_sensor(sd, address, &old_value, 1); + s5k4aa_write_sensor(sd, address, &test_value, 1); + s5k4aa_read_sensor(sd, address, &ctrl_value, 1); + + if (ctrl_value == test_value) + info("register 0x%x is writeable", address); + else + info("register 0x%x is read only", address); + + /* Restore original value */ + s5k4aa_write_sensor(sd, address, &old_value, 1); + } + } + info("Read/write register probing complete"); + s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1); +} diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h new file mode 100644 index 000000000000..1e4213a73214 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h @@ -0,0 +1,368 @@ +/* + * Driver for the s5k4aa sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_S5K4AA_H_ +#define M5602_S5K4AA_H_ + +#include + +#include "m5602_sensor.h" + +/*****************************************************************************/ + +#define S5K4AA_PAGE_MAP 0xec + +#define S5K4AA_PAGE_MAP_0 0x00 +#define S5K4AA_PAGE_MAP_1 0x01 +#define S5K4AA_PAGE_MAP_2 0x02 + +/* Sensor register definitions for page 0x02 */ +#define S5K4AA_READ_MODE 0x03 +#define S5K4AA_ROWSTART_HI 0x04 +#define S5K4AA_ROWSTART_LO 0x05 +#define S5K4AA_COLSTART_HI 0x06 +#define S5K4AA_COLSTART_LO 0x07 +#define S5K4AA_WINDOW_HEIGHT_HI 0x08 +#define S5K4AA_WINDOW_HEIGHT_LO 0x09 +#define S5K4AA_WINDOW_WIDTH_HI 0x0a +#define S5K4AA_WINDOW_WIDTH_LO 0x0b +#define S5K4AA_GLOBAL_GAIN__ 0x0f /* Only a guess ATM !!! */ +#define S5K4AA_H_BLANK_HI__ 0x1d /* Only a guess ATM !!! sync lost + if too low, reduces frame rate + if too high */ +#define S5K4AA_H_BLANK_LO__ 0x1e /* Only a guess ATM !!! */ +#define S5K4AA_EXPOSURE_HI 0x17 +#define S5K4AA_EXPOSURE_LO 0x18 +#define S5K4AA_GAIN_1 0x1f /* (digital?) gain : 5 bits */ +#define S5K4AA_GAIN_2 0x20 /* (analogue?) gain : 7 bits */ + +#define S5K4AA_RM_ROW_SKIP_4X 0x08 +#define S5K4AA_RM_ROW_SKIP_2X 0x04 +#define S5K4AA_RM_COL_SKIP_4X 0x02 +#define S5K4AA_RM_COL_SKIP_2X 0x01 +#define S5K4AA_RM_H_FLIP 0x40 +#define S5K4AA_RM_V_FLIP 0x80 + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern int dump_sensor; +extern unsigned int m5602_debug; + +int s5k4aa_probe(struct sd *sd); +int s5k4aa_init(struct sd *sd); +int s5k4aa_power_down(struct sd *sd); + +void s5k4aa_dump_registers(struct sd *sd); + +int s5k4aa_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); +int s5k4aa_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); +int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val); + +static struct m5602_sensor s5k4aa = { + .name = "S5K4AA", + .probe = s5k4aa_probe, + .init = s5k4aa_init, + .power_down = s5k4aa_power_down, + .read_sensor = s5k4aa_read_sensor, + .write_sensor = s5k4aa_write_sensor, + .i2c_slave_id = 0x5a, + .nctrls = 4, + .ctrls = { + { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k4aa_set_vflip, + .get = s5k4aa_get_vflip + + }, { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "horizontal flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k4aa_set_hflip, + .get = s5k4aa_get_hflip + + }, { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = 0xa0, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k4aa_set_gain, + .get = s5k4aa_get_gain + }, { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Exposure", + .minimum = 13, + .maximum = 0xfff, + .step = 1, + .default_value = 0x100, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k4aa_set_exposure, + .get = s5k4aa_get_exposure + } + }, + + .nmodes = 1, + .modes = { + { + M5602_DEFAULT_FRAME_WIDTH, + M5602_DEFAULT_FRAME_HEIGHT, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + M5602_DEFAULT_FRAME_WIDTH * M5602_DEFAULT_FRAME_HEIGHT, + .bytesperline = M5602_DEFAULT_FRAME_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + } + } +}; + +static const unsigned char preinit_s5k4aa[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00} +}; + +static const unsigned char init_s5k4aa[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K4AA_PAGE_MAP, 0x07, 0x00}, + {SENSOR, 0x36, 0x01, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x0c, 0x05, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, + {SENSOR, S5K4AA_GAIN_1, 0x0f, 0x00}, + {SENSOR, S5K4AA_GAIN_2, 0x00, 0x00}, + {SENSOR, S5K4AA_GLOBAL_GAIN__, 0x01, 0x00}, + {SENSOR, 0x11, 0x00, 0x00}, + {SENSOR, 0x12, 0x00, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, 0xa0, 0x00}, + {SENSOR, 0x37, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x2a, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0b, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x03, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0xc4, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x08, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0x48, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x43, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + /* VSYNC_PARA, VSYNC_PARA : img height 480 = 0x01e0 */ + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + /* HSYNC_PARA, HSYNC_PARA : img width 640 = 0x0280 */ + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x80, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00}, /* 48 MHz */ + + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP | S5K4AA_RM_ROW_SKIP_2X + | S5K4AA_RM_COL_SKIP_2X, 0x00}, + /* 0x37 : Fix image stability when light is too bright and improves + * image quality in 640x480, but worsens it in 1280x1024 */ + {SENSOR, 0x37, 0x01, 0x00}, + /* ROWSTART_HI, ROWSTART_LO : 10 + (1024-960)/2 = 42 = 0x002a */ + {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_ROWSTART_LO, 0x2a, 0x00}, + {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00}, + {SENSOR, S5K4AA_COLSTART_LO, 0x0c, 0x00}, + /* window_height_hi, window_height_lo : 960 = 0x03c0 */ + {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x03, 0x00}, + {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0xc0, 0x00}, + /* window_width_hi, window_width_lo : 1280 = 0x0500 */ + {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00}, + {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00}, + {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00}, /* helps to sync... */ + {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00}, + {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00}, + {SENSOR, 0x11, 0x04, 0x00}, + {SENSOR, 0x12, 0xc3, 0x00}, + {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, + {SENSOR, 0x02, 0x0e, 0x00}, + {SENSOR_LONG, S5K4AA_GLOBAL_GAIN__, 0x0f, 0x00}, + {SENSOR, S5K4AA_GAIN_1, 0x0b, 0x00}, + {SENSOR, S5K4AA_GAIN_2, 0xa0, 0x00} +}; + +static const struct dmi_system_id s5k4aa_vflip_dmi_table[] = { + { + .ident = "Fujitsu-Siemens Amilo Xa 2528", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528") + } + }, + { + .ident = "Fujitsu-Siemens Amilo Xi 2550", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550") + } + }, + { + .ident = "MSI GX700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"), + DMI_MATCH(DMI_PRODUCT_NAME, "GX700"), + DMI_MATCH(DMI_BIOS_DATE, "07/26/2007") + } + }, + { } +}; + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.c b/drivers/media/video/gspca/m5602/m5602_s5k83a.c new file mode 100644 index 000000000000..a4d6a8163120 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.c @@ -0,0 +1,331 @@ +/* + * Driver for the s5k83a sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#include "m5602_s5k83a.h" + +int s5k83a_probe(struct sd *sd) +{ + u8 prod_id = 0, ver_id = 0; + int i, err = 0; + + if (force_sensor) { + if (force_sensor == S5K83A_SENSOR) { + info("Forcing a %s sensor", s5k83a.name); + goto sensor_found; + } + /* If we want to force another sensor, don't try to probe this + * one */ + return -ENODEV; + } + + info("Probing for a s5k83a sensor"); + + /* Preinit the sensor */ + for (i = 0; i < ARRAY_SIZE(preinit_s5k83a) && !err; i++) { + u8 data[2] = {preinit_s5k83a[i][2], preinit_s5k83a[i][3]}; + if (preinit_s5k83a[i][0] == SENSOR) + err = s5k83a_write_sensor(sd, preinit_s5k83a[i][1], + data, 2); + else + err = m5602_write_bridge(sd, preinit_s5k83a[i][1], + data[0]); + } + + /* We don't know what register (if any) that contain the product id + * Just pick the first addresses that seem to produce the same results + * on multiple machines */ + if (s5k83a_read_sensor(sd, 0x00, &prod_id, 1)) + return -ENODEV; + + if (s5k83a_read_sensor(sd, 0x01, &ver_id, 1)) + return -ENODEV; + + if ((prod_id == 0xff) || (ver_id == 0xff)) + return -ENODEV; + else + info("Detected a s5k83a sensor"); + +sensor_found: + sd->gspca_dev.cam.cam_mode = s5k83a.modes; + sd->gspca_dev.cam.nmodes = s5k83a.nmodes; + return 0; +} + +int s5k83a_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_DEV_ADDR, + sd->sensor->i2c_slave_id); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_REG_ADDR, address); + if (err < 0) + goto out; + + err = m5602_write_bridge(sd, M5602_XB_I2C_CTRL, 0x18 + len); + if (err < 0) + goto out; + + do { + err = m5602_read_bridge(sd, M5602_XB_I2C_STATUS, i2c_data); + } while ((*i2c_data & I2C_BUSY) && !err); + + if (err < 0) + goto out; + for (i = 0; i < len && !len; i++) { + err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i])); + + PDEBUG(DBG_TRACE, "Reading sensor register " + "0x%x containing 0x%x ", address, *i2c_data); + } + +out: + return (err < 0) ? err : 0; +} + +int s5k83a_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len) +{ + int err, i; + u8 *p; + struct usb_device *udev = sd->gspca_dev.dev; + __u8 *buf = sd->gspca_dev.usb_buf; + + /* No sensor with a data width larger than 16 bits has yet been seen */ + if (len > 2 || !len) + return -EINVAL; + + memcpy(buf, sensor_urb_skeleton, + sizeof(sensor_urb_skeleton)); + + buf[11] = sd->sensor->i2c_slave_id; + buf[15] = address; + + /* Special case larger sensor writes */ + p = buf + 16; + + /* Copy a four byte write sequence for each byte to be written to */ + for (i = 0; i < len; i++) { + memcpy(p, sensor_urb_skeleton + 16, 4); + p[3] = i2c_data[i]; + p += 4; + PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x", + address, i2c_data[i]); + } + + /* Copy the tailer */ + memcpy(p, sensor_urb_skeleton + 20, 4); + + /* Set the total length */ + p[3] = 0x10 + len; + + err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0x04, 0x40, 0x19, + 0x0000, buf, + 20 + len * 4, M5602_URB_MSG_TIMEOUT); + + return (err < 0) ? err : 0; +} + +int s5k83a_init(struct sd *sd) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(init_s5k83a) && !err; i++) { + u8 data[2] = {0x00, 0x00}; + + switch (init_s5k83a[i][0]) { + case BRIDGE: + err = m5602_write_bridge(sd, + init_s5k83a[i][1], + init_s5k83a[i][2]); + break; + + case SENSOR: + data[0] = init_s5k83a[i][2]; + err = s5k83a_write_sensor(sd, + init_s5k83a[i][1], data, 1); + break; + + case SENSOR_LONG: + data[0] = init_s5k83a[i][2]; + data[1] = init_s5k83a[i][3]; + err = s5k83a_write_sensor(sd, + init_s5k83a[i][1], data, 2); + break; + default: + info("Invalid stream command, exiting init"); + return -EINVAL; + } + } + + if (dump_sensor) + s5k83a_dump_registers(sd); + + return (err < 0) ? err : 0; +} + +int s5k83a_power_down(struct sd *sd) +{ + return 0; +} + +void s5k83a_dump_registers(struct sd *sd) +{ + int address; + u8 page, old_page; + s5k83a_read_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); + + for (page = 0; page < 16; page++) { + s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); + info("Dumping the s5k83a register state for page 0x%x", page); + for (address = 0; address <= 0xff; address++) { + u8 val = 0; + s5k83a_read_sensor(sd, address, &val, 1); + info("register 0x%x contains 0x%x", + address, val); + } + } + info("s5k83a register state dump complete"); + + for (page = 0; page < 16; page++) { + s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); + info("Probing for which registers that are read/write " + "for page 0x%x", page); + for (address = 0; address <= 0xff; address++) { + u8 old_val, ctrl_val, test_val = 0xff; + + s5k83a_read_sensor(sd, address, &old_val, 1); + s5k83a_write_sensor(sd, address, &test_val, 1); + s5k83a_read_sensor(sd, address, &ctrl_val, 1); + + if (ctrl_val == test_val) + info("register 0x%x is writeable", address); + else + info("register 0x%x is read only", address); + + /* Restore original val */ + s5k83a_write_sensor(sd, address, &old_val, 1); + } + } + info("Read/write register probing complete"); + s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); +} + +int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + err = s5k83a_read_sensor(sd, S5K83A_BRIGHTNESS, data, 2); + data[1] = data[1] << 1; + *val = data[1]; + + return (err < 0) ? err : 0; +} + +int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x00; + data[1] = 0x20; + err = s5k83a_write_sensor(sd, 0x14, data, 2); + if (err < 0) + return err; + + data[0] = 0x01; + data[1] = 0x00; + err = s5k83a_write_sensor(sd, 0x0d, data, 2); + if (err < 0) + return err; + + /* FIXME: This is not sane, we need to figure out the composition + of these registers */ + data[0] = val >> 3; /* brightness, high 5 bits */ + data[1] = val >> 1; /* brightness, high 7 bits */ + err = s5k83a_write_sensor(sd, S5K83A_BRIGHTNESS, data, 2); + + return (err < 0) ? err : 0; +} + +int s5k83a_get_whiteness(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data; + struct sd *sd = (struct sd *) gspca_dev; + + err = s5k83a_read_sensor(sd, S5K83A_WHITENESS, &data, 1); + + *val = data; + return (err < 0) ? err : 0; +} + +int s5k83a_set_whiteness(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = val; + err = s5k83a_write_sensor(sd, S5K83A_WHITENESS, data, 1); + + return (err < 0) ? err : 0; +} + +int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + err = s5k83a_read_sensor(sd, S5K83A_GAIN, data, 2); + + data[1] = data[1] & 0x3f; + if (data[1] > S5K83A_MAXIMUM_GAIN) + data[1] = S5K83A_MAXIMUM_GAIN; + + *val = data[1]; + + return (err < 0) ? err : 0; +} + +int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err = 0; + u8 data[2]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0; + data[1] = val; + err = s5k83a_write_sensor(sd, S5K83A_GAIN, data, 2); + + return (err < 0) ? err : 0; +} diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.h b/drivers/media/video/gspca/m5602/m5602_s5k83a.h new file mode 100644 index 000000000000..a57f623d80c3 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.h @@ -0,0 +1,444 @@ +/* + * Driver for the s5k83a sensor + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_S5K83A_H_ +#define M5602_S5K83A_H_ + +#include "m5602_sensor.h" + +#define S5K83A_PAGE_MAP 0xec +#define S5K83A_GAIN 0x18 +#define S5K83A_WHITENESS 0x0a +#define S5K83A_BRIGHTNESS 0x1b + +#define S5K83A_DEFAULT_BRIGHTNESS 0x71 +#define S5K83A_DEFAULT_WHITENESS 0x7e +#define S5K83A_DEFAULT_GAIN 0x00 +#define S5K83A_MAXIMUM_GAIN 0x3c + +/*****************************************************************************/ + +/* Kernel module parameters */ +extern int force_sensor; +extern int dump_sensor; +extern unsigned int m5602_debug; + + +int s5k83a_probe(struct sd *sd); +int s5k83a_init(struct sd *sd); +int s5k83a_power_down(struct sd *sd); + +void s5k83a_dump_registers(struct sd *sd); + +int s5k83a_read_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); +int s5k83a_write_sensor(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + +int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val); +int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); +int s5k83a_set_whiteness(struct gspca_dev *gspca_dev, __s32 val); +int s5k83a_get_whiteness(struct gspca_dev *gspca_dev, __s32 *val); +int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val); +int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val); + +static struct m5602_sensor s5k83a = { + .name = "S5K83A", + .probe = s5k83a_probe, + .init = s5k83a_init, + .power_down = s5k83a_power_down, + .read_sensor = s5k83a_read_sensor, + .write_sensor = s5k83a_write_sensor, + .i2c_slave_id = 0x5a, + .nctrls = 3, + .ctrls = { + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "brightness", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x01, + .default_value = S5K83A_DEFAULT_BRIGHTNESS, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k83a_set_brightness, + .get = s5k83a_get_brightness + + }, { + { + .id = V4L2_CID_WHITENESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "whiteness", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x01, + .default_value = S5K83A_DEFAULT_WHITENESS, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k83a_set_whiteness, + .get = s5k83a_get_whiteness, + }, { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "gain", + .minimum = 0x00, + .maximum = S5K83A_MAXIMUM_GAIN, + .step = 0x01, + .default_value = S5K83A_DEFAULT_GAIN, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = s5k83a_set_gain, + .get = s5k83a_get_gain + } + }, + .nmodes = 1, + .modes = { + { + M5602_DEFAULT_FRAME_WIDTH, + M5602_DEFAULT_FRAME_HEIGHT, + V4L2_PIX_FMT_SBGGR8, + V4L2_FIELD_NONE, + .sizeimage = + M5602_DEFAULT_FRAME_WIDTH * M5602_DEFAULT_FRAME_HEIGHT, + .bytesperline = M5602_DEFAULT_FRAME_WIDTH, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 + + } + } +}; + +static const unsigned char preinit_s5k83a[][4] = +{ + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00}, + {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00}, + + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x00, 0x00} +}; + +/* This could probably be considerably shortened. + I don't have the hardware to experiment with it, patches welcome +*/ +static const unsigned char init_s5k83a[][4] = +{ + {SENSOR, S5K83A_PAGE_MAP, 0x04, 0x00}, + {SENSOR, 0xaf, 0x01, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x01, 0x50, 0x00}, + {SENSOR, 0x12, 0x20, 0x00}, + {SENSOR, 0x17, 0x40, 0x00}, + {SENSOR, S5K83A_BRIGHTNESS, 0x0f, 0x00}, + {SENSOR, 0x1c, 0x00, 0x00}, + {SENSOR, 0x02, 0x70, 0x00}, + {SENSOR, 0x03, 0x0b, 0x00}, + {SENSOR, 0x04, 0xf0, 0x00}, + {SENSOR, 0x05, 0x0b, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x87, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x06, 0x71, 0x00}, + {SENSOR, 0x07, 0xe8, 0x00}, + {SENSOR, 0x08, 0x02, 0x00}, + {SENSOR, 0x09, 0x88, 0x00}, + {SENSOR, 0x14, 0x00, 0x00}, + {SENSOR, 0x15, 0x20, 0x00}, + {SENSOR, 0x19, 0x00, 0x00}, + {SENSOR, 0x1a, 0x98, 0x00}, + {SENSOR, 0x0f, 0x02, 0x00}, + {SENSOR, 0x10, 0xe5, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR_LONG, 0x14, 0x00, 0x20}, + {SENSOR_LONG, 0x0d, 0x00, 0x7d}, + {SENSOR_LONG, 0x1b, 0x0d, 0x05}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x87, 0x00}, + + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x04, 0x00}, + {SENSOR, 0xaf, 0x01, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + /* ff ( init value )is very dark) || 71 and f0 better */ + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x01, 0x50, 0x00}, + {SENSOR, 0x12, 0x20, 0x00}, + {SENSOR, 0x17, 0x40, 0x00}, + {SENSOR, S5K83A_BRIGHTNESS, 0x0f, 0x00}, + {SENSOR, 0x1c, 0x00, 0x00}, + {SENSOR, 0x02, 0x70, 0x00}, + /* some values like 0x10 give a blue-purple image */ + {SENSOR, 0x03, 0x0b, 0x00}, + {SENSOR, 0x04, 0xf0, 0x00}, + {SENSOR, 0x05, 0x0b, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + /* under 80 don't work, highter depend on value */ + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x7f, 0x00}, + + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x06, 0x71, 0x00}, + {SENSOR, 0x07, 0xe8, 0x00}, + {SENSOR, 0x08, 0x02, 0x00}, + {SENSOR, 0x09, 0x88, 0x00}, + {SENSOR, 0x14, 0x00, 0x00}, + {SENSOR, 0x15, 0x20, 0x00}, + {SENSOR, 0x19, 0x00, 0x00}, + {SENSOR, 0x1a, 0x98, 0x00}, + {SENSOR, 0x0f, 0x02, 0x00}, + {SENSOR, 0x10, 0xe5, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR_LONG, 0x14, 0x00, 0x20}, + {SENSOR_LONG, 0x0d, 0x00, 0x7d}, + {SENSOR_LONG, 0x1b, 0x0d, 0x05}, + + /* The following sequence is useless after a clean boot + but is necessary after resume from suspend */ + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00}, + {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00}, + {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00}, + {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00}, + {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x04, 0x00}, + {SENSOR, 0xaf, 0x01, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x00, 0x00}, + {SENSOR, 0x7b, 0xff, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x01, 0x50, 0x00}, + {SENSOR, 0x12, 0x20, 0x00}, + {SENSOR, 0x17, 0x40, 0x00}, + {SENSOR, S5K83A_BRIGHTNESS, 0x0f, 0x00}, + {SENSOR, 0x1c, 0x00, 0x00}, + {SENSOR, 0x02, 0x70, 0x00}, + {SENSOR, 0x03, 0x0b, 0x00}, + {SENSOR, 0x04, 0xf0, 0x00}, + {SENSOR, 0x05, 0x0b, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00}, + {BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00}, + {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00}, + {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00}, + {BRIDGE, M5602_XB_HSYNC_PARA, 0x7f, 0x00}, + {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00}, + {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00}, + + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, 0x06, 0x71, 0x00}, + {SENSOR, 0x07, 0xe8, 0x00}, + {SENSOR, 0x08, 0x02, 0x00}, + {SENSOR, 0x09, 0x88, 0x00}, + {SENSOR, 0x14, 0x00, 0x00}, + {SENSOR, 0x15, 0x20, 0x00}, + {SENSOR, 0x19, 0x00, 0x00}, + {SENSOR, 0x1a, 0x98, 0x00}, + {SENSOR, 0x0f, 0x02, 0x00}, + + {SENSOR, 0x10, 0xe5, 0x00}, + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR_LONG, 0x14, 0x00, 0x20}, + {SENSOR_LONG, 0x0d, 0x00, 0x7d}, + {SENSOR_LONG, 0x1b, 0x0d, 0x05}, + + /* normal colors + (this is value after boot, but after tries can be different) */ + {SENSOR, 0x00, 0x06, 0x00}, + + /* set default brightness */ + {SENSOR_LONG, 0x14, 0x00, 0x20}, + {SENSOR_LONG, 0x0d, 0x01, 0x00}, + {SENSOR_LONG, 0x1b, S5K83A_DEFAULT_BRIGHTNESS >> 3, + S5K83A_DEFAULT_BRIGHTNESS >> 1}, + + /* set default whiteness */ + {SENSOR, S5K83A_WHITENESS, S5K83A_DEFAULT_WHITENESS, 0x00}, + + /* set default gain */ + {SENSOR_LONG, 0x18, 0x00, S5K83A_DEFAULT_GAIN} +}; + +#endif diff --git a/drivers/media/video/gspca/m5602/m5602_sensor.h b/drivers/media/video/gspca/m5602/m5602_sensor.h new file mode 100644 index 000000000000..930fcaab4416 --- /dev/null +++ b/drivers/media/video/gspca/m5602/m5602_sensor.h @@ -0,0 +1,76 @@ +/* + * USB Driver for ALi m5602 based webcams + * + * Copyright (C) 2008 Erik Andren + * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project. + * Copyright (C) 2005 m5603x Linux Driver Project + * + * Portions of code to USB interface and ALi driver software, + * Copyright (c) 2006 Willem Duinker + * v4l2 interface modeled after the V4L2 driver + * for SN9C10x PC Camera Controllers + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2. + * + */ + +#ifndef M5602_SENSOR_H_ +#define M5602_SENSOR_H_ + +#include "m5602_bridge.h" + +#define M5602_DEFAULT_FRAME_WIDTH 640 +#define M5602_DEFAULT_FRAME_HEIGHT 480 + +#define M5602_MAX_CTRLS (V4L2_CID_LASTP1 - V4L2_CID_BASE + 10) + +/* Enumerates all supported sensors */ +enum sensors { + OV9650_SENSOR = 1, + S5K83A_SENSOR = 2, + S5K4AA_SENSOR = 3, + MT9M111_SENSOR = 4, + PO1030_SENSOR = 5 +}; + +/* Enumerates all possible instruction types */ +enum instruction { + BRIDGE, + SENSOR, + SENSOR_LONG +}; + +struct m5602_sensor { + /* Defines the name of a sensor */ + char name[32]; + + /* What i2c address the sensor is connected to */ + u8 i2c_slave_id; + + /* Probes if the sensor is connected */ + int (*probe)(struct sd *sd); + + /* Performs a initialization sequence */ + int (*init)(struct sd *sd); + + /* Performs a power down sequence */ + int (*power_down)(struct sd *sd); + + /* Reads a sensor register */ + int (*read_sensor)(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + + /* Writes to a sensor register */ + int (*write_sensor)(struct sd *sd, const u8 address, + u8 *i2c_data, const u8 len); + + int nctrls; + struct ctrl ctrls[M5602_MAX_CTRLS]; + + char nmodes; + struct v4l2_pix_format modes[]; +}; + +#endif -- GitLab From e293e599524f74532b0add53ddf80f10ff854598 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Fri, 3 Oct 2008 08:46:50 -0300 Subject: [PATCH 3982/6244] V4L/DVB (9093): gspca: Cleanup code and small changes. - convert some #define to enum. - remove some comments. - return ENOMEM on memory allocation failure. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 12 ++++-------- drivers/media/video/gspca/gspca.h | 12 +++++++----- drivers/media/video/gspca/m5602/m5602_core.c | 1 - 3 files changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 02824fc101d5..9db3d899aa61 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -237,7 +237,7 @@ static void bulk_irq(struct urb *urb * On LAST_PACKET, a new frame is returned. */ struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, - int packet_type, + enum gspca_packet_type packet_type, struct gspca_frame *frame, const __u8 *data, int len) @@ -317,7 +317,6 @@ static void *rvmalloc(unsigned long size) void *mem; unsigned long adr; -/* size = PAGE_ALIGN(size); (already done) */ mem = vmalloc_32(size); if (mem != NULL) { adr = (unsigned long) mem; @@ -937,7 +936,6 @@ static int vidioc_querycap(struct file *file, void *priv, memset(cap, 0, sizeof *cap); strncpy(cap->driver, gspca_dev->sd_desc->name, sizeof cap->driver); -/* strncpy(cap->card, gspca_dev->cam.dev_name, sizeof cap->card); */ if (gspca_dev->dev->product != NULL) { strncpy(cap->card, gspca_dev->dev->product, sizeof cap->card); @@ -1571,7 +1569,6 @@ static int vidioc_qbuf(struct file *file, void *priv, } frame->v4l2_buf.flags |= V4L2_BUF_FLAG_QUEUED; -/* frame->v4l2_buf.flags &= ~V4L2_BUF_FLAG_DONE; */ if (frame->v4l2_buf.memory == V4L2_MEMORY_USERPTR) { frame->v4l2_buf.m.userptr = v4l2_buf->m.userptr; @@ -1836,22 +1833,21 @@ int gspca_dev_probe(struct usb_interface *intf, if (dev_size < sizeof *gspca_dev) dev_size = sizeof *gspca_dev; gspca_dev = kzalloc(dev_size, GFP_KERNEL); - if (gspca_dev == NULL) { + if (!gspca_dev) { err("couldn't kzalloc gspca struct"); - return -EIO; + return -ENOMEM; } kref_init(&gspca_dev->kref); gspca_dev->usb_buf = kmalloc(USB_BUF_SZ, GFP_KERNEL); if (!gspca_dev->usb_buf) { err("out of memory"); - ret = -EIO; + ret = -ENOMEM; goto out; } gspca_dev->dev = dev; gspca_dev->iface = interface->bInterfaceNumber; gspca_dev->nbalt = intf->num_altsetting; gspca_dev->sd_desc = sd_desc; -/* gspca_dev->users = 0; (done by kzalloc) */ gspca_dev->nbufread = 2; /* configure the subdriver and initialize the USB device */ diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index f9006542c58f..4779dd0b06da 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -106,10 +106,12 @@ struct sd_desc { }; /* packet types when moving from iso buf to frame buf */ -#define DISCARD_PACKET 0 -#define FIRST_PACKET 1 -#define INTER_PACKET 2 -#define LAST_PACKET 3 +enum gspca_packet_type { + DISCARD_PACKET, + FIRST_PACKET, + INTER_PACKET, + LAST_PACKET +}; struct gspca_frame { __u8 *data; /* frame buffer */ @@ -175,7 +177,7 @@ int gspca_dev_probe(struct usb_interface *intf, struct module *module); void gspca_disconnect(struct usb_interface *intf); struct gspca_frame *gspca_frame_add(struct gspca_dev *gspca_dev, - int packet_type, + enum gspca_packet_type packet_type, struct gspca_frame *frame, const __u8 *data, int len); diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 559495e2d11e..ac105ef4aa6a 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -146,7 +146,6 @@ int m5602_probe_sensor(struct sd *sd) return 0; } - /* More sensor probe function goes here */ info("Failed to find a sensor"); sd->sensor = NULL; -- GitLab From 1b3345996c056a979cfabf96c0815b4843d9bbfc Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Fri, 3 Oct 2008 09:28:45 -0300 Subject: [PATCH 3983/6244] V4L/DVB (9094): gspca: Frame counter in ALi m5602. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/m5602/m5602_core.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index ac105ef4aa6a..58ebffdcaae5 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -146,6 +146,7 @@ int m5602_probe_sensor(struct sd *sd) return 0; } + /* More sensor probe function goes here */ info("Failed to find a sensor"); sd->sensor = NULL; @@ -202,12 +203,13 @@ void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, /* Complete the last frame (if any) */ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); + sd->frame_count++; /* Create a new frame */ gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); - PDEBUG(DBG_V4L2, "Starting new frame. First urb contained %d", - len); + PDEBUG(DBG_V4L2, "Starting new frame %d", + sd->frame_count); } else { int cur_frame_len = frame->data_end - frame->data; @@ -217,8 +219,8 @@ void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, len -= 4; if (cur_frame_len + len <= frame->v4l2_buf.length) { - PDEBUG(DBG_DATA, "Continuing frame copying %d bytes", - len); + PDEBUG(DBG_DATA, "Continuing frame %d copying %d bytes", + sd->frame_count, len); gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); -- GitLab From d2d7e9ae3138307284c815e1c37ea0b7b8834692 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Fri, 3 Oct 2008 15:29:02 -0300 Subject: [PATCH 3984/6244] V4L/DVB (9095): gspca: Moves some sensor initialization to each sensor in m5602. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- .../media/video/gspca/m5602/m5602_bridge.h | 2 ++ drivers/media/video/gspca/m5602/m5602_core.c | 28 +++++-------------- .../media/video/gspca/m5602/m5602_mt9m111.c | 2 ++ .../media/video/gspca/m5602/m5602_ov9650.c | 2 ++ .../media/video/gspca/m5602/m5602_po1030.c | 2 ++ .../media/video/gspca/m5602/m5602_s5k4aa.c | 3 ++ .../media/video/gspca/m5602/m5602_s5k83a.c | 2 ++ 7 files changed, 20 insertions(+), 21 deletions(-) diff --git a/drivers/media/video/gspca/m5602/m5602_bridge.h b/drivers/media/video/gspca/m5602/m5602_bridge.h index fcbc37bfea51..18ca19a94364 100644 --- a/drivers/media/video/gspca/m5602/m5602_bridge.h +++ b/drivers/media/video/gspca/m5602/m5602_bridge.h @@ -152,6 +152,8 @@ struct sd { /* A pointer to the currently connected sensor */ struct m5602_sensor *sensor; + struct sd_desc *desc; + /* The current frame's id, used to detect frame boundaries */ u8 frame_id; diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 58ebffdcaae5..475073501117 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -108,44 +108,28 @@ int m5602_probe_sensor(struct sd *sd) { /* Try the po1030 */ sd->sensor = &po1030; - if (!sd->sensor->probe(sd)) { - sd_desc.ctrls = po1030.ctrls; - sd_desc.nctrls = po1030.nctrls; + if (!sd->sensor->probe(sd)) return 0; - } /* Try the mt9m111 sensor */ sd->sensor = &mt9m111; - if (!sd->sensor->probe(sd)) { - sd_desc.ctrls = mt9m111.ctrls; - sd_desc.nctrls = mt9m111.nctrls; + if (!sd->sensor->probe(sd)) return 0; - } /* Try the s5k4aa */ sd->sensor = &s5k4aa; - if (!sd->sensor->probe(sd)) { - sd_desc.ctrls = s5k4aa.ctrls; - sd_desc.nctrls = s5k4aa.nctrls; + if (!sd->sensor->probe(sd)) return 0; - } /* Try the ov9650 */ sd->sensor = &ov9650; - if (!sd->sensor->probe(sd)) { - sd_desc.ctrls = ov9650.ctrls; - sd_desc.nctrls = ov9650.nctrls; + if (!sd->sensor->probe(sd)) return 0; - } /* Try the s5k83a */ sd->sensor = &s5k83a; - if (!sd->sensor->probe(sd)) { - sd_desc.ctrls = s5k83a.ctrls; - sd_desc.nctrls = s5k83a.nctrls; + if (!sd->sensor->probe(sd)) return 0; - } - /* More sensor probe function goes here */ info("Failed to find a sensor"); @@ -246,8 +230,10 @@ int m5602_configure(struct gspca_dev *gspca_dev, int err; PDEBUG(DBG_GSPCA, "m5602_configure start"); + cam = &gspca_dev->cam; cam->epaddr = M5602_ISOC_ENDPOINT_ADDR; + sd->desc = &sd_desc; if (dump_bridge) m5602_dump_bridge(sd); diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c index 17f04dd5e1d3..ea2250217b07 100644 --- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c @@ -62,6 +62,8 @@ int mt9m111_probe(struct sd *sd) sensor_found: sd->gspca_dev.cam.cam_mode = mt9m111.modes; sd->gspca_dev.cam.nmodes = mt9m111.nmodes; + sd->desc->ctrls = mt9m111.ctrls; + sd->desc->nctrls = mt9m111.nctrls; return 0; } diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c index 74c3ffec0ca2..31c5896250e7 100644 --- a/drivers/media/video/gspca/m5602/m5602_ov9650.c +++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c @@ -132,6 +132,8 @@ int ov9650_probe(struct sd *sd) sensor_found: sd->gspca_dev.cam.cam_mode = ov9650.modes; sd->gspca_dev.cam.nmodes = ov9650.nmodes; + sd->desc->ctrls = ov9650.ctrls; + sd->desc->nctrls = ov9650.nctrls; return 0; } diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c index 14a8f929dd18..08c015bde115 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.c +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -59,6 +59,8 @@ int po1030_probe(struct sd *sd) sensor_found: sd->gspca_dev.cam.cam_mode = po1030.modes; sd->gspca_dev.cam.nmodes = po1030.nmodes; + sd->desc->ctrls = po1030.ctrls; + sd->desc->nctrls = po1030.nctrls; return 0; } diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c index 3a2ae7a2e267..68202565325d 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c @@ -78,6 +78,9 @@ int s5k4aa_probe(struct sd *sd) sensor_found: sd->gspca_dev.cam.cam_mode = s5k4aa.modes; sd->gspca_dev.cam.nmodes = s5k4aa.nmodes; + sd->desc->ctrls = s5k4aa.ctrls; + sd->desc->nctrls = s5k4aa.nctrls; + return 0; } diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.c b/drivers/media/video/gspca/m5602/m5602_s5k83a.c index a4d6a8163120..c1ff967b1c31 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k83a.c +++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.c @@ -63,6 +63,8 @@ int s5k83a_probe(struct sd *sd) sensor_found: sd->gspca_dev.cam.cam_mode = s5k83a.modes; sd->gspca_dev.cam.nmodes = s5k83a.nmodes; + sd->desc->ctrls = s5k83a.ctrls; + sd->desc->nctrls = s5k83a.nctrls; return 0; } -- GitLab From eeb00c604ad203a51a0b92e124bcc4f98ba7e2c0 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Fri, 3 Oct 2008 15:47:03 -0300 Subject: [PATCH 3985/6244] V4L/DVB (9096): gspca: Subdriver selection at config time. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/Kconfig | 203 +++++++++++++++++++++++- drivers/media/video/gspca/Makefile | 73 +++++---- drivers/media/video/gspca/m5602/Kconfig | 4 +- 3 files changed, 240 insertions(+), 40 deletions(-) diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index fd31099e36a1..aa7f3eb7ee79 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -1,16 +1,203 @@ -config USB_GSPCA - tristate "USB GSPCA driver" +menuconfig USB_GSPCA + tristate "GSPCA based webcams" depends on VIDEO_V4L2 + default m ---help--- - Say Y here if you want support for various USB webcams. + Say Y here if you want to enable selecting webcams based + on the GSPCA framework. - See for more info. + See for more info. - This driver uses the Video For Linux API. You must say Y or M to - "Video For Linux" to use this driver. + This driver uses the Video For Linux API. You must say Y or M to + "Video For Linux" to use this driver. - To compile this driver as modules, choose M here: the - modules will be called gspca_xxxx. + To compile this driver as modules, choose M here: the + modules will be called gspca_main. + + +if USB_GSPCA && VIDEO_V4L2 source "drivers/media/video/gspca/m5602/Kconfig" +config USB_GSPCA_CONEX + tristate "Conexant Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Conexant chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_conex. + +config USB_GSPCA_ETOMS + tristate "Etoms USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Etoms chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_etoms. + +config USB_GSPCA_MARS + tristate "Mars USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Mars chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_mars. + +config USB_GSPCA_OV519 + tristate "OV519 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the OV519 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_ov519. + +config USB_GSPCA_PAC207 + tristate "Pixart PAC207 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the PAC207 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_pac207. + +config USB_GSPCA_PAC7311 + tristate "Pixart PAC7311 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the PAC7311 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_pac7311. + +config USB_GSPCA_SONIXB + tristate "SN9C102 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SONIXB chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_sonixb. + +config USB_GSPCA_SONIXJ + tristate "SONIX JPEG USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SONIXJ chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_sonixj + +config USB_GSPCA_SPCA500 + tristate "SPCA500 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA500 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca500. + +config USB_GSPCA_SPCA501 + tristate "SPCA501 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA501 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca501. + +config USB_GSPCA_SPCA505 + tristate "SPCA505 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA505 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca505. + +config USB_GSPCA_SPCA506 + tristate "SPCA506 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA506 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca506. + +config USB_GSPCA_SPCA508 + tristate "SPCA508 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA508 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca508. + +config USB_GSPCA_SPCA561 + tristate "SPCA561 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the SPCA561 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca561. + +config USB_GSPCA_STK014 + tristate "Syntek DV4000 (STK014) USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the STK014 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_stk014. + +config USB_GSPCA_SPCA5XX + tristate "SPCA5xx USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the Sunplus + SPCA504(abc) SPCA533 SPCA536 chips. + + To compile this driver as a module, choose M here: the + module will be called gspca_spca5xx. + +config USB_GSPCA_T613 + tristate "T613 (JPEG Compliance) USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the T613 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_t613. + +config USB_GSPCA_TV8531 + tristate "TV8532 USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the TV8531 chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_tv8532. + +config USB_GSPCA_VC032X + tristate "VC032X USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the VC032X chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_vc032x. + +config USB_GSPCA_ZC3XX + tristate "VC3xx USB Camera Driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the ZC3XX chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_zc3xx. + +endif diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index 488ed97c58a3..b510b06fd873 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -1,33 +1,46 @@ -obj-$(CONFIG_USB_GSPCA) += gspca_main.o \ - gspca_conex.o gspca_etoms.o gspca_finepix.o gspca_mars.o \ - gspca_ov519.o gspca_pac207.o gspca_pac7311.o \ - gspca_sonixb.o gspca_sonixj.o gspca_spca500.o gspca_spca501.o \ - gspca_spca505.o gspca_spca506.o gspca_spca508.o gspca_spca561.o \ - gspca_sunplus.o gspca_stk014.o gspca_t613.o gspca_tv8532.o \ - gspca_vc032x.o gspca_zc3xx.o +obj-$(CONFIG_USB_GSPCA) += gspca_main.o +obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o +obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o +obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o +obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o +obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o +obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o +obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o +obj-$(CONFIG_USB_GSPCA_SONXIJ) += gspca_sonixj.o +obj-$(CONFIG_USB_GSPCA_SPCA500) += gspca_spca500.o +obj-$(CONFIG_USB_GSPCA_SPCA501) += gspca_spca501.o +obj-$(CONFIG_USB_GSPCA_SPCA505) += gspca_spca505.o +obj-$(CONFIG_USB_GSPCA_SPCA506) += gspca_spca506.o +obj-$(CONFIG_USB_GSPCA_SPCA508) += gspca_spca508.o +obj-$(CONFIG_USB_GSPCA_SPCA561) += gspca_spca561.o +obj-$(CONFIG_USB_GSPCA_SUNPLUS) += gspca_sunplus.o +obj-$(CONFIG_USB_GSPCA_STK014) += gspca_stk014.o +obj-$(CONFIG_USB_GSPCA_T613) += gspca_t613.o +obj-$(CONFIG_USB_GSPCA_TV8532) += gspca_tv8532.o +obj-$(CONFIG_USB_GSPCA_VC032X) += gspca_vc032x.o +obj-$(CONFIG_USB_GSPCA_ZC3XX) += gspca_zc3xx.o -gspca_main-objs := gspca.o -gspca_conex-objs := conex.o -gspca_etoms-objs := etoms.o -gspca_finepix-objs := finepix.o -gspca_mars-objs := mars.o -gspca_ov519-objs := ov519.o -gspca_pac207-objs := pac207.o -gspca_pac7311-objs := pac7311.o -gspca_sonixb-objs := sonixb.o -gspca_sonixj-objs := sonixj.o -gspca_spca500-objs := spca500.o -gspca_spca501-objs := spca501.o -gspca_spca505-objs := spca505.o -gspca_spca506-objs := spca506.o -gspca_spca508-objs := spca508.o -gspca_spca561-objs := spca561.o -gspca_stk014-objs := stk014.o -gspca_sunplus-objs := sunplus.o -gspca_t613-objs := t613.o -gspca_tv8532-objs := tv8532.o -gspca_vc032x-objs := vc032x.o -gspca_zc3xx-objs := zc3xx.o +gspca_main-objs := gspca.o +gspca_conex-objs := conex.o +gspca_etoms-objs := etoms.o +gspca_mars-objs := mars.o +gspca_ov519-objs := ov519.o +gspca_pac207-objs := pac207.o +gspca_pac7311-objs := pac7311.o +gspca_sonixb-objs := sonixb.o +gspca_sonixj-objs := sonixj.o +gspca_spca500-objs := spca500.o +gspca_spca501-objs := spca501.o +gspca_spca505-objs := spca505.o +gspca_spca506-objs := spca506.o +gspca_spca508-objs := spca508.o +gspca_spca561-objs := spca561.o +gspca_stk014-objs := stk014.o +gspca_sunplus-objs := sunplus.o +gspca_t613-objs := t613.o +gspca_tv8532-objs := tv8532.o +gspca_vc032x-objs := vc032x.o +gspca_zc3xx-objs := zc3xx.o -obj-$(CONFIG_USB_M5602) += m5602/ +obj-$(CONFIG_USB_M5602) += m5602/ diff --git a/drivers/media/video/gspca/m5602/Kconfig b/drivers/media/video/gspca/m5602/Kconfig index 7de33e22117e..5a69016ed75f 100644 --- a/drivers/media/video/gspca/m5602/Kconfig +++ b/drivers/media/video/gspca/m5602/Kconfig @@ -1,5 +1,5 @@ config USB_M5602 - tristate "USB ALi m5602 Webcam support" + tristate "ALi USB m5602 Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help Say Y here if you want support for cameras based on the @@ -8,4 +8,4 @@ config USB_M5602 See for more info. To compile this driver as a module, choose M here: the - module will be called gspca-m5602. + module will be called gspca_m5602. -- GitLab From 803f9ccf50178af6cde7aec86db2d78db3d069e7 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sat, 4 Oct 2008 14:17:02 -0300 Subject: [PATCH 3986/6244] V4L/DVB (9097): gspca: Adjust control values and restore compilation of sonixj. - no compilation since last changeset - brightness is a signed value - better values of the color matrix [mchehab@redhat.com: fix a merge conflict] Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/Makefile | 2 +- drivers/media/video/gspca/sonixj.c | 27 +++++++++++++-------------- 2 files changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index b510b06fd873..b87322f4a487 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -6,7 +6,7 @@ obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o obj-$(CONFIG_USB_GSPCA_PAC7311) += gspca_pac7311.o obj-$(CONFIG_USB_GSPCA_SONIXB) += gspca_sonixb.o -obj-$(CONFIG_USB_GSPCA_SONXIJ) += gspca_sonixj.o +obj-$(CONFIG_USB_GSPCA_SONIXJ) += gspca_sonixj.o obj-$(CONFIG_USB_GSPCA_SPCA500) += gspca_spca500.o obj-$(CONFIG_USB_GSPCA_SPCA501) += gspca_spca501.o obj-$(CONFIG_USB_GSPCA_SPCA505) += gspca_spca505.o diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 03fe77d38cc1..93b17340b7b1 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -267,10 +267,12 @@ static const __u8 gamma_def[] = { 0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff }; +/* color matrix and offsets */ static const __u8 reg84[] = { - 0x14, 0x00, 0x27, 0x00, 0x07, 0x00, 0xe5, 0x0f, - 0xe4, 0x0f, 0x38, 0x00, 0x3e, 0x00, 0xc3, 0x0f, - 0xf7, 0x0f, 0x00, 0x00, 0x00 + 0x14, 0x00, 0x27, 0x00, 0x07, 0x00, /* YR YG YB gains */ + 0xe8, 0x0f, 0xda, 0x0f, 0x40, 0x00, /* UR UG UB */ + 0x3e, 0x00, 0xcd, 0x0f, 0xf7, 0x0f, /* VR VG VB */ + 0x00, 0x00, 0x00 /* YUV offsets */ }; static const __u8 hv7131r_sensor_init[][8] = { {0xC1, 0x11, 0x01, 0x08, 0x01, 0x00, 0x00, 0x10}, @@ -1102,20 +1104,17 @@ static unsigned int setexposure(struct gspca_dev *gspca_dev, static void setbrightcont(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - unsigned val; + int val; __u8 reg84_full[0x15]; - memset(reg84_full, 0, sizeof reg84_full); - val = sd->contrast * 0x20 / CONTRAST_MAX + 0x10; /* 10..30 */ - reg84_full[2] = val; - reg84_full[0] = (val + 1) / 2; - reg84_full[4] = (val + 1) / 5; - if (val > BRIGHTNESS_DEF) - val = (sd->brightness - BRIGHTNESS_DEF) * 0x20 + memcpy(reg84_full, reg84, sizeof reg84_full); + val = sd->contrast * 0x30 / CONTRAST_MAX + 0x10; /* 10..40 */ + reg84_full[0] = (val + 1) / 2; /* red */ + reg84_full[2] = val; /* green */ + reg84_full[4] = (val + 1) / 5; /* blue */ + val = (sd->brightness - BRIGHTNESS_DEF) * 0x10 / BRIGHTNESS_MAX; - else - val = 0; - reg84_full[0x12] = val; /* 00..1f */ + reg84_full[0x12] = val & 0x1f; /* 5:0 signed value */ reg_w(gspca_dev, 0x84, reg84_full, sizeof reg84_full); } -- GitLab From 695ebd125ade17101861c9eb99f74e6cc9a516ed Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sat, 4 Oct 2008 14:18:37 -0300 Subject: [PATCH 3987/6244] V4L/DVB (9098): Whitespace cleanups Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/spca561.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 29089d9526b6..020a03c466c1 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -1066,7 +1066,7 @@ static struct ctrl sd_ctrls_12a[] = { { .id = V4L2_CID_DO_WHITE_BALANCE, .type = V4L2_CTRL_TYPE_INTEGER, - .name = "White Balance", + .name = "White Balance", .minimum = WHITE_MIN, .maximum = WHITE_MAX, .step = 1, -- GitLab From 2aa72f3b63e4b524e9e4b1438f6c0d50a214d836 Mon Sep 17 00:00:00 2001 From: Alexey Klimov Date: Wed, 1 Oct 2008 09:40:59 -0300 Subject: [PATCH 3988/6244] V4L/DVB (9101): radio-mr800: Add driver for AverMedia MR 800 USB FM radio devices This patch creates a new usb-radio driver, radio-mr800.c, that supports the AverMedia MR 800 USB FM radio devices. This device plugs into both the USB and an analog audio input, so this thing only deals with initialization and frequency setting, the audio data has to be handled by a sound driver. Signed-off-by: Alexey Klimov Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/Kconfig | 12 + drivers/media/radio/Makefile | 1 + drivers/media/radio/radio-mr800.c | 628 ++++++++++++++++++++++++++++++ 3 files changed, 641 insertions(+) create mode 100644 drivers/media/radio/radio-mr800.c diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 1b41b3f77cf9..e51d707e58d3 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -361,4 +361,16 @@ config USB_SI470X To compile this driver as a module, choose M here: the module will be called radio-silabs. +config USB_MR800 + tristate "AverMedia MR 800 USB FM radio support" + depends on USB && VIDEO_V4L2 + ---help--- + Say Y here if you want to connect this type of radio to your + computer's USB port. Note that the audio is not digital, and + you must connect the line out connector to a sound card or a + set of speakers. + + To compile this driver as a module, choose M here: the + module will be called radio-mr800. + endif # RADIO_ADAPTERS diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile index 7ca71ab96b43..240ec63cdafc 100644 --- a/drivers/media/radio/Makefile +++ b/drivers/media/radio/Makefile @@ -18,5 +18,6 @@ obj-$(CONFIG_RADIO_TRUST) += radio-trust.o obj-$(CONFIG_RADIO_MAESTRO) += radio-maestro.o obj-$(CONFIG_USB_DSBR) += dsbr100.o obj-$(CONFIG_USB_SI470X) += radio-si470x.o +obj-$(CONFIG_USB_MR800) += radio-mr800.o EXTRA_CFLAGS += -Isound diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c new file mode 100644 index 000000000000..a33717c48003 --- /dev/null +++ b/drivers/media/radio/radio-mr800.c @@ -0,0 +1,628 @@ +/* + * A driver for the AverMedia MR 800 USB FM radio. This device plugs + * into both the USB and an analog audio input, so this thing + * only deals with initialization and frequency setting, the + * audio data has to be handled by a sound driver. + * + * Copyright (c) 2008 Alexey Klimov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * Big thanks to authors of dsbr100.c and radio-si470x.c + * + * When work was looked pretty good, i discover this: + * http://av-usbradio.sourceforge.net/index.php + * http://sourceforge.net/projects/av-usbradio/ + * Latest release of theirs project was in 2005. + * Probably, this driver could be improved trough using their + * achievements (specifications given). + * So, we have smth to begin with. + * + * History: + * Version 0.01: First working version. + * It's required to blacklist AverMedia USB Radio + * in usbhid/hid-quirks.c + * + * Many things to do: + * - Correct power managment of device (suspend & resume) + * - Make x86 independance (little-endian and big-endian stuff) + * - Add code for scanning and smooth tuning + * - Checked and add stereo&mono stuff + * - Add code for sensitivity value + * - Correct mistakes + * - In Japan another FREQ_MIN and FREQ_MAX + */ + +/* kernel includes */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include /* for KERNEL_VERSION MACRO */ + +/* driver and module definitions */ +#define DRIVER_AUTHOR "Alexey Klimov " +#define DRIVER_DESC "AverMedia MR 800 USB FM radio driver" +#define DRIVER_VERSION "0.01" +#define RADIO_VERSION KERNEL_VERSION(0, 0, 1) + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define USB_AMRADIO_VENDOR 0x07ca +#define USB_AMRADIO_PRODUCT 0xb800 + +/* Probably USB_TIMEOUT should be modified in module parameter */ +#define BUFFER_LENGTH 8 +#define USB_TIMEOUT 500 + +/* Frequency limits in MHz -- these are European values. For Japanese +devices, that would be 76 and 91. */ +#define FREQ_MIN 87.5 +#define FREQ_MAX 108.0 +#define FREQ_MUL 16000 + +/* module parameter */ +static int radio_nr = -1; +module_param(radio_nr, int, 0); +MODULE_PARM_DESC(radio_nr, "Radio Nr"); + +static struct v4l2_queryctrl radio_qctrl[] = { + { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, +/* HINT: the disabled controls are only here to satify kradio and such apps */ + { .id = V4L2_CID_AUDIO_VOLUME, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_BALANCE, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_BASS, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_TREBLE, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_LOUDNESS, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, +}; + +static int usb_amradio_probe(struct usb_interface *intf, + const struct usb_device_id *id); +static void usb_amradio_disconnect(struct usb_interface *intf); +static int usb_amradio_open(struct inode *inode, struct file *file); +static int usb_amradio_close(struct inode *inode, struct file *file); +static int usb_amradio_suspend(struct usb_interface *intf, + pm_message_t message); +static int usb_amradio_resume(struct usb_interface *intf); + +/* Data for one (physical) device */ +struct amradio_device { + /* reference to USB and video device */ + struct usb_device *usbdev; + struct video_device *videodev; + + unsigned char *buffer; + struct mutex lock; /* buffer locking */ + int curfreq; + int stereo; + int users; + int removed; + int muted; +}; + +/* USB Device ID List */ +static struct usb_device_id usb_amradio_device_table[] = { + {USB_DEVICE_AND_INTERFACE_INFO(USB_AMRADIO_VENDOR, USB_AMRADIO_PRODUCT, + USB_CLASS_HID, 0, 0) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(usb, usb_amradio_device_table); + +/* USB subsystem interface */ +static struct usb_driver usb_amradio_driver = { + .name = "radio-mr800", + .probe = usb_amradio_probe, + .disconnect = usb_amradio_disconnect, + .suspend = usb_amradio_suspend, + .resume = usb_amradio_resume, + .reset_resume = usb_amradio_resume, + .id_table = usb_amradio_device_table, + .supports_autosuspend = 1, +}; + +/* switch on radio. Send 8 bytes to device. */ +static int amradio_start(struct amradio_device *radio) +{ + int retval; + int size; + + mutex_lock(&radio->lock); + + radio->buffer[0] = 0x00; + radio->buffer[1] = 0x55; + radio->buffer[2] = 0xaa; + radio->buffer[3] = 0x00; + radio->buffer[4] = 0xab; + radio->buffer[5] = 0x00; + radio->buffer[6] = 0x00; + radio->buffer[7] = 0x00; + + retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), + (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); + + if (retval) { + mutex_unlock(&radio->lock); + return retval; + } + + mutex_unlock(&radio->lock); + + radio->muted = 0; + + return retval; +} + +/* switch off radio */ +static int amradio_stop(struct amradio_device *radio) +{ + int retval; + int size; + + mutex_lock(&radio->lock); + + radio->buffer[0] = 0x00; + radio->buffer[1] = 0x55; + radio->buffer[2] = 0xaa; + radio->buffer[3] = 0x00; + radio->buffer[4] = 0xab; + radio->buffer[5] = 0x01; + radio->buffer[6] = 0x00; + radio->buffer[7] = 0x00; + + retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), + (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); + + if (retval) { + mutex_unlock(&radio->lock); + return retval; + } + + mutex_unlock(&radio->lock); + + radio->muted = 1; + + return retval; +} + +/* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */ +static int amradio_setfreq(struct amradio_device *radio, int freq) +{ + int retval; + int size; + unsigned short freq_send = 0x13 + (freq >> 3) / 25; + + mutex_lock(&radio->lock); + + radio->buffer[0] = 0x00; + radio->buffer[1] = 0x55; + radio->buffer[2] = 0xaa; + radio->buffer[3] = 0x03; + radio->buffer[4] = 0xa4; + radio->buffer[5] = 0x00; + radio->buffer[6] = 0x00; + radio->buffer[7] = 0x08; + + retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), + (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); + + if (retval) { + mutex_unlock(&radio->lock); + return retval; + } + + /* frequency is calculated from freq_send and placed in first 2 bytes */ + radio->buffer[0] = (freq_send >> 8) & 0xff; + radio->buffer[1] = freq_send & 0xff; + radio->buffer[2] = 0x01; + radio->buffer[3] = 0x00; + radio->buffer[4] = 0x00; + /* 5 and 6 bytes of buffer already = 0x00 */ + radio->buffer[7] = 0x00; + + retval = usb_bulk_msg(radio->usbdev, usb_sndintpipe(radio->usbdev, 2), + (void *) (radio->buffer), BUFFER_LENGTH, &size, USB_TIMEOUT); + + if (retval) { + mutex_unlock(&radio->lock); + return retval; + } + + mutex_unlock(&radio->lock); + + radio->stereo = 0; + + return retval; +} + +/* USB subsystem interface begins here */ + +/* handle unplugging of the device, release data structures +if nothing keeps us from doing it. If something is still +keeping us busy, the release callback of v4l will take care +of releasing it. */ +static void usb_amradio_disconnect(struct usb_interface *intf) +{ + struct amradio_device *radio = usb_get_intfdata(intf); + + usb_set_intfdata(intf, NULL); + + if (radio) { + video_unregister_device(radio->videodev); + radio->videodev = NULL; + if (radio->users) { + kfree(radio->buffer); + kfree(radio); + } else { + radio->removed = 1; + } + } +} + +/* vidioc_querycap - query device capabilities */ +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *v) +{ + strlcpy(v->driver, "radio-mr800", sizeof(v->driver)); + strlcpy(v->card, "AverMedia MR 800 USB FM Radio", sizeof(v->card)); + sprintf(v->bus_info, "USB"); + v->version = RADIO_VERSION; + v->capabilities = V4L2_CAP_TUNER; + return 0; +} + +/* vidioc_g_tuner - get tuner attributes */ +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *v) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + if (v->index > 0) + return -EINVAL; + +/* TODO: Add function which look is signal stereo or not + * amradio_getstat(radio); + */ + radio->stereo = -1; + strcpy(v->name, "FM"); + v->type = V4L2_TUNER_RADIO; + v->rangelow = FREQ_MIN * FREQ_MUL; + v->rangehigh = FREQ_MAX * FREQ_MUL; + v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; + v->capability = V4L2_TUNER_CAP_LOW; + if (radio->stereo) + v->audmode = V4L2_TUNER_MODE_STEREO; + else + v->audmode = V4L2_TUNER_MODE_MONO; + v->signal = 0xffff; /* Can't get the signal strength, sad.. */ + v->afc = 0; /* Don't know what is this */ + return 0; +} + +/* vidioc_s_tuner - set tuner attributes */ +static int vidioc_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *v) +{ + if (v->index > 0) + return -EINVAL; + return 0; +} + +/* vidioc_s_frequency - set tuner radio frequency */ +static int vidioc_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + radio->curfreq = f->frequency; + if (amradio_setfreq(radio, radio->curfreq) < 0) + warn("Set frequency failed"); + return 0; +} + +/* vidioc_g_frequency - get tuner radio frequency */ +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + f->type = V4L2_TUNER_RADIO; + f->frequency = radio->curfreq; + return 0; +} + +/* vidioc_queryctrl - enumerate control items */ +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { + if (qc->id && qc->id == radio_qctrl[i].id) { + memcpy(qc, &(radio_qctrl[i]), + sizeof(*qc)); + return 0; + } + } + return -EINVAL; +} + +/* vidioc_g_ctrl - get the value of a control */ +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + ctrl->value = radio->muted; + return 0; + } + return -EINVAL; +} + +/* vidioc_s_ctrl - set the value of a control */ +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + if (ctrl->value) { + if (amradio_stop(radio) < 0) { + warn("amradio_stop() failed"); + return -1; + } + } else { + if (amradio_start(radio) < 0) { + warn("amradio_start() failed"); + return -1; + } + } + return 0; + } + return -EINVAL; +} + +/* vidioc_g_audio - get audio attributes */ +static int vidioc_g_audio(struct file *file, void *priv, + struct v4l2_audio *a) +{ + if (a->index > 1) + return -EINVAL; + + strcpy(a->name, "Radio"); + a->capability = V4L2_AUDCAP_STEREO; + return 0; +} + +/* vidioc_s_audio - set audio attributes */ +static int vidioc_s_audio(struct file *file, void *priv, + struct v4l2_audio *a) +{ + if (a->index != 0) + return -EINVAL; + return 0; +} + +/* vidioc_g_input - get input */ +static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) +{ + *i = 0; + return 0; +} + +/* vidioc_s_input - set input */ +static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) +{ + if (i != 0) + return -EINVAL; + return 0; +} + +/* open device - amradio_start() and amradio_setfreq() */ +static int usb_amradio_open(struct inode *inode, struct file *file) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + radio->users = 1; + radio->muted = 1; + + if (amradio_start(radio) < 0) { + warn("Radio did not start up properly"); + radio->users = 0; + return -EIO; + } + if (amradio_setfreq(radio, radio->curfreq) < 0) + warn("Set frequency failed"); + return 0; +} + +/*close device - free driver structures */ +static int usb_amradio_close(struct inode *inode, struct file *file) +{ + struct amradio_device *radio = video_get_drvdata(video_devdata(file)); + + if (!radio) + return -ENODEV; + radio->users = 0; + if (radio->removed) { + kfree(radio->buffer); + kfree(radio); + } + return 0; +} + +/* Suspend device - stop device. Need to be checked and fixed */ +static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct amradio_device *radio = usb_get_intfdata(intf); + + if (amradio_stop(radio) < 0) + warn("amradio_stop() failed"); + + info("radio-mr800: Going into suspend.."); + + return 0; +} + +/* Resume device - start device. Need to be checked and fixed */ +static int usb_amradio_resume(struct usb_interface *intf) +{ + struct amradio_device *radio = usb_get_intfdata(intf); + + if (amradio_start(radio) < 0) + warn("amradio_start() failed"); + + info("radio-mr800: Coming out of suspend.."); + + return 0; +} + +/* File system interface */ +static const struct file_operations usb_amradio_fops = { + .owner = THIS_MODULE, + .open = usb_amradio_open, + .release = usb_amradio_close, + .ioctl = video_ioctl2, +#ifdef CONFIG_COMPAT + .compat_ioctl = v4l_compat_ioctl32, +#endif + .llseek = no_llseek, +}; + +static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, +}; + +/* V4L2 interface */ +static struct video_device amradio_videodev_template = { + .name = "AverMedia MR 800 USB FM Radio", + .fops = &usb_amradio_fops, + .ioctl_ops = &usb_amradio_ioctl_ops, + .release = video_device_release, +}; + +/* check if the device is present and register with v4l and +usb if it is */ +static int usb_amradio_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct amradio_device *radio; + + radio = kmalloc(sizeof(struct amradio_device), GFP_KERNEL); + + if (!(radio)) + return -ENOMEM; + + radio->buffer = kmalloc(BUFFER_LENGTH, GFP_KERNEL); + + if (!(radio->buffer)) { + kfree(radio); + return -ENOMEM; + } + + radio->videodev = video_device_alloc(); + + if (!(radio->videodev)) { + kfree(radio->buffer); + kfree(radio); + return -ENOMEM; + } + + memcpy(radio->videodev, &amradio_videodev_template, + sizeof(amradio_videodev_template)); + + radio->removed = 0; + radio->users = 0; + radio->usbdev = interface_to_usbdev(intf); + radio->curfreq = 95.16 * FREQ_MUL; + + mutex_init(&radio->lock); + + video_set_drvdata(radio->videodev, radio); + if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) { + warn("Could not register video device"); + video_device_release(radio->videodev); + kfree(radio->buffer); + kfree(radio); + return -EIO; + } + + usb_set_intfdata(intf, radio); + return 0; +} + +static int __init amradio_init(void) +{ + int retval = usb_register(&usb_amradio_driver); + + info(DRIVER_VERSION " " DRIVER_DESC); + if (retval) + err("usb_register failed. Error number %d", retval); + return retval; +} + +static void __exit amradio_exit(void) +{ + usb_deregister(&usb_amradio_driver); +} + +module_init(amradio_init); +module_exit(amradio_exit); + -- GitLab From 07c6bb9e6e5c9b8d0f697493cdd3978fc193ca90 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Tue, 30 Sep 2008 13:57:42 -0300 Subject: [PATCH 3989/6244] V4L/DVB (9105): correct Makefile symbol for stv0288 frontend Signed-off-by: Janne Grunau Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 491eb5c55855..aba79f4a63a7 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -53,5 +53,5 @@ obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o obj-$(CONFIG_DVB_AF9013) += af9013.o obj-$(CONFIG_DVB_CX24116) += cx24116.o obj-$(CONFIG_DVB_SI21XX) += si21xx.o -obj-$(CONFIG_DVB_STV0299) += stv0288.o +obj-$(CONFIG_DVB_STV0288) += stv0288.o obj-$(CONFIG_DVB_STB6000) += stb6000.o -- GitLab From 986bd1e58b18c09b753f797df19251804bfe3e84 Mon Sep 17 00:00:00 2001 From: Tomi Orava Date: Fri, 19 Sep 2008 00:48:31 -0300 Subject: [PATCH 3990/6244] V4L/DVB (9107): Alternative version of Terratec Cinergy T2 driver Alternative version of the Terratec Cinergy T2 driver that uses the dvb framework. Signed-off-by: Tomi Orava Signed-off-by: Thierry MERLE [mchehab@redhat.com: fix dvb Makefile] Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/Kconfig | 1 - drivers/media/dvb/Makefile | 2 +- drivers/media/dvb/cinergyT2/Kconfig | 85 -- drivers/media/dvb/cinergyT2/Makefile | 3 - drivers/media/dvb/cinergyT2/cinergyT2.c | 1105 -------------------- drivers/media/dvb/dvb-usb/Kconfig | 8 + drivers/media/dvb/dvb-usb/Makefile | 4 + drivers/media/dvb/dvb-usb/cinergyT2-core.c | 230 ++++ drivers/media/dvb/dvb-usb/cinergyT2-fe.c | 351 +++++++ drivers/media/dvb/dvb-usb/cinergyT2.h | 95 ++ 10 files changed, 689 insertions(+), 1195 deletions(-) delete mode 100644 drivers/media/dvb/cinergyT2/Kconfig delete mode 100644 drivers/media/dvb/cinergyT2/Makefile delete mode 100644 drivers/media/dvb/cinergyT2/cinergyT2.c create mode 100644 drivers/media/dvb/dvb-usb/cinergyT2-core.c create mode 100644 drivers/media/dvb/dvb-usb/cinergyT2-fe.c create mode 100644 drivers/media/dvb/dvb-usb/cinergyT2.h diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index 14488f644792..0bcd852576d6 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -20,7 +20,6 @@ comment "Supported USB Adapters" source "drivers/media/dvb/dvb-usb/Kconfig" source "drivers/media/dvb/ttusb-budget/Kconfig" source "drivers/media/dvb/ttusb-dec/Kconfig" -source "drivers/media/dvb/cinergyT2/Kconfig" source "drivers/media/dvb/siano/Kconfig" comment "Supported FlexCopII (B2C2) Adapters" diff --git a/drivers/media/dvb/Makefile b/drivers/media/dvb/Makefile index ea953a03e24d..f91e9eb15e52 100644 --- a/drivers/media/dvb/Makefile +++ b/drivers/media/dvb/Makefile @@ -2,4 +2,4 @@ # Makefile for the kernel multimedia device drivers. # -obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ cinergyT2/ dvb-usb/ pluto2/ siano/ dm1105/ +obj-y := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dvb-usb/ pluto2/ siano/ dm1105/ diff --git a/drivers/media/dvb/cinergyT2/Kconfig b/drivers/media/dvb/cinergyT2/Kconfig deleted file mode 100644 index c03513b2ccae..000000000000 --- a/drivers/media/dvb/cinergyT2/Kconfig +++ /dev/null @@ -1,85 +0,0 @@ -config DVB_CINERGYT2 - tristate "Terratec CinergyT2/qanu USB2 DVB-T receiver" - depends on DVB_CORE && USB && INPUT - help - Support for "TerraTec CinergyT2" USB2.0 Highspeed DVB Receivers - - Say Y if you own such a device and want to use it. - - -config DVB_CINERGYT2_TUNING - bool "sophisticated fine-tuning for CinergyT2 cards" - depends on DVB_CINERGYT2 - help - Here you can fine-tune some parameters of the CinergyT2 driver. - - Normally you don't need to touch this, but in exotic setups you - may fine-tune your setup and adjust e.g. DMA buffer sizes for - a particular application. - - -config DVB_CINERGYT2_STREAM_URB_COUNT - int "Number of queued USB Request Blocks for Highspeed Stream Transfers" - depends on DVB_CINERGYT2_TUNING - default "32" - help - USB Request Blocks for Highspeed Stream transfers are scheduled in - a queue for the Host Controller. - - Usually the default value is a safe choice. - - You may increase this number if you are using this device in a - Server Environment with many high-traffic USB Highspeed devices - sharing the same USB bus. - - -config DVB_CINERGYT2_STREAM_BUF_SIZE - int "Size of URB Stream Buffers for Highspeed Transfers" - depends on DVB_CINERGYT2_TUNING - default "512" - help - Should be a multiple of native buffer size of 512 bytes. - Default value is a safe choice. - - You may increase this number if you are using this device in a - Server Environment with many high-traffic USB Highspeed devices - sharing the same USB bus. - - -config DVB_CINERGYT2_QUERY_INTERVAL - int "Status update interval [milliseconds]" - depends on DVB_CINERGYT2_TUNING - default "250" - help - This is the interval for status readouts from the demodulator. - You may try lower values if you need more responsive signal quality - measurements. - - Please keep in mind that these updates cause traffic on the tuner - control bus and thus may or may not affect reception sensitivity. - - The default value should be a safe choice for common applications. - - -config DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE - bool "Register the onboard IR Remote Control Receiver as Input Device" - depends on DVB_CINERGYT2_TUNING - default y - help - Enable this option if you want to use the onboard Infrared Remote - Control Receiver as Linux-Input device. - - Right now only the keycode table for the default Remote Control - delivered with the device is supported, please see the driver - source code to find out how to add support for other controls. - - -config DVB_CINERGYT2_RC_QUERY_INTERVAL - int "Infrared Remote Controller update interval [milliseconds]" - depends on DVB_CINERGYT2_TUNING && DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE - default "50" - help - If you have a very fast-repeating remote control you can try lower - values, for normal consumer receivers the default value should be - a safe choice. - diff --git a/drivers/media/dvb/cinergyT2/Makefile b/drivers/media/dvb/cinergyT2/Makefile deleted file mode 100644 index d762d8cb0cf1..000000000000 --- a/drivers/media/dvb/cinergyT2/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_DVB_CINERGYT2) += cinergyT2.o - -EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c deleted file mode 100644 index a824f3719f81..000000000000 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ /dev/null @@ -1,1105 +0,0 @@ -/* - * TerraTec Cinergy T²/qanu USB2 DVB-T adapter. - * - * Copyright (C) 2004 Daniel Mack and - * Holger Waechtler - * - * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "dmxdev.h" -#include "dvb_demux.h" -#include "dvb_net.h" - -#ifdef CONFIG_DVB_CINERGYT2_TUNING - #define STREAM_URB_COUNT (CONFIG_DVB_CINERGYT2_STREAM_URB_COUNT) - #define STREAM_BUF_SIZE (CONFIG_DVB_CINERGYT2_STREAM_BUF_SIZE) - #define QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_QUERY_INTERVAL) - #ifdef CONFIG_DVB_CINERGYT2_ENABLE_RC_INPUT_DEVICE - #define RC_QUERY_INTERVAL (CONFIG_DVB_CINERGYT2_RC_QUERY_INTERVAL) - #define ENABLE_RC (1) - #endif -#else - #define STREAM_URB_COUNT (32) - #define STREAM_BUF_SIZE (512) /* bytes */ - #define ENABLE_RC (1) - #define RC_QUERY_INTERVAL (50) /* milliseconds */ - #define QUERY_INTERVAL (333) /* milliseconds */ -#endif - -#define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver" - -static int debug; -module_param_named(debug, debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -#define dprintk(level, args...) \ -do { \ - if ((debug & level)) { \ - printk("%s: %s(): ", KBUILD_MODNAME, \ - __func__); \ - printk(args); } \ -} while (0) - -enum cinergyt2_ep1_cmd { - CINERGYT2_EP1_PID_TABLE_RESET = 0x01, - CINERGYT2_EP1_PID_SETUP = 0x02, - CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03, - CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04, - CINERGYT2_EP1_GET_TUNER_STATUS = 0x05, - CINERGYT2_EP1_START_SCAN = 0x06, - CINERGYT2_EP1_CONTINUE_SCAN = 0x07, - CINERGYT2_EP1_GET_RC_EVENTS = 0x08, - CINERGYT2_EP1_SLEEP_MODE = 0x09 -}; - -struct dvbt_set_parameters_msg { - uint8_t cmd; - __le32 freq; - uint8_t bandwidth; - __le16 tps; - uint8_t flags; -} __attribute__((packed)); - -struct dvbt_get_status_msg { - __le32 freq; - uint8_t bandwidth; - __le16 tps; - uint8_t flags; - __le16 gain; - uint8_t snr; - __le32 viterbi_error_rate; - __le32 rs_error_rate; - __le32 uncorrected_block_count; - uint8_t lock_bits; - uint8_t prev_lock_bits; -} __attribute__((packed)); - -static struct dvb_frontend_info cinergyt2_fe_info = { - .name = DRIVER_NAME, - .type = FE_OFDM, - .frequency_min = 174000000, - .frequency_max = 862000000, - .frequency_stepsize = 166667, - .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | - FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | - FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS -}; - -struct cinergyt2 { - struct dvb_demux demux; - struct usb_device *udev; - struct mutex sem; - struct mutex wq_sem; - struct dvb_adapter adapter; - struct dvb_device *fedev; - struct dmxdev dmxdev; - struct dvb_net dvbnet; - - int streaming; - int sleeping; - - struct dvbt_set_parameters_msg param; - struct dvbt_get_status_msg status; - struct delayed_work query_work; - - wait_queue_head_t poll_wq; - int pending_fe_events; - int disconnect_pending; - unsigned int uncorrected_block_count; - atomic_t inuse; - - void *streambuf; - dma_addr_t streambuf_dmahandle; - struct urb *stream_urb [STREAM_URB_COUNT]; - -#ifdef ENABLE_RC - struct input_dev *rc_input_dev; - char phys[64]; - struct delayed_work rc_query_work; - int rc_input_event; - __le32 rc_last_code; - unsigned long last_event_jiffies; -#endif -}; - -enum { - CINERGYT2_RC_EVENT_TYPE_NONE = 0x00, - CINERGYT2_RC_EVENT_TYPE_NEC = 0x01, - CINERGYT2_RC_EVENT_TYPE_RC5 = 0x02 -}; - -struct cinergyt2_rc_event { - char type; - __le32 value; -} __attribute__((packed)); - -static const uint32_t rc_keys[] = { - CINERGYT2_RC_EVENT_TYPE_NEC, 0xfe01eb04, KEY_POWER, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xfd02eb04, KEY_1, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xfc03eb04, KEY_2, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xfb04eb04, KEY_3, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xfa05eb04, KEY_4, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf906eb04, KEY_5, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf807eb04, KEY_6, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf708eb04, KEY_7, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf609eb04, KEY_8, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf50aeb04, KEY_9, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf30ceb04, KEY_0, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf40beb04, KEY_VIDEO, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf20deb04, KEY_REFRESH, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf10eeb04, KEY_SELECT, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xf00feb04, KEY_EPG, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xef10eb04, KEY_UP, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xeb14eb04, KEY_DOWN, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xee11eb04, KEY_LEFT, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xec13eb04, KEY_RIGHT, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xed12eb04, KEY_OK, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xea15eb04, KEY_TEXT, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe916eb04, KEY_INFO, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe817eb04, KEY_RED, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe718eb04, KEY_GREEN, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe619eb04, KEY_YELLOW, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe51aeb04, KEY_BLUE, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe31ceb04, KEY_VOLUMEUP, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe11eeb04, KEY_VOLUMEDOWN, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe21deb04, KEY_MUTE, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe41beb04, KEY_CHANNELUP, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xe01feb04, KEY_CHANNELDOWN, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xbf40eb04, KEY_PAUSE, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xb34ceb04, KEY_PLAY, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xa758eb04, KEY_RECORD, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xab54eb04, KEY_PREVIOUS, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xb748eb04, KEY_STOP, - CINERGYT2_RC_EVENT_TYPE_NEC, 0xa35ceb04, KEY_NEXT -}; - -static int cinergyt2_command (struct cinergyt2 *cinergyt2, - char *send_buf, int send_buf_len, - char *recv_buf, int recv_buf_len) -{ - int actual_len; - char dummy; - int ret; - - ret = usb_bulk_msg(cinergyt2->udev, usb_sndbulkpipe(cinergyt2->udev, 1), - send_buf, send_buf_len, &actual_len, 1000); - - if (ret) - dprintk(1, "usb_bulk_msg (send) failed, err %i\n", ret); - - if (!recv_buf) - recv_buf = &dummy; - - ret = usb_bulk_msg(cinergyt2->udev, usb_rcvbulkpipe(cinergyt2->udev, 1), - recv_buf, recv_buf_len, &actual_len, 1000); - - if (ret) - dprintk(1, "usb_bulk_msg (read) failed, err %i\n", ret); - - return ret ? ret : actual_len; -} - -static void cinergyt2_control_stream_transfer (struct cinergyt2 *cinergyt2, int enable) -{ - char buf [] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; - cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0); -} - -static void cinergyt2_sleep (struct cinergyt2 *cinergyt2, int sleep) -{ - char buf [] = { CINERGYT2_EP1_SLEEP_MODE, sleep ? 1 : 0 }; - cinergyt2_command(cinergyt2, buf, sizeof(buf), NULL, 0); - cinergyt2->sleeping = sleep; -} - -static void cinergyt2_stream_irq (struct urb *urb); - -static int cinergyt2_submit_stream_urb (struct cinergyt2 *cinergyt2, struct urb *urb) -{ - int err; - - usb_fill_bulk_urb(urb, - cinergyt2->udev, - usb_rcvbulkpipe(cinergyt2->udev, 0x2), - urb->transfer_buffer, - STREAM_BUF_SIZE, - cinergyt2_stream_irq, - cinergyt2); - - if ((err = usb_submit_urb(urb, GFP_ATOMIC))) - dprintk(1, "urb submission failed (err = %i)!\n", err); - - return err; -} - -static void cinergyt2_stream_irq (struct urb *urb) -{ - struct cinergyt2 *cinergyt2 = urb->context; - - if (urb->actual_length > 0) - dvb_dmx_swfilter(&cinergyt2->demux, - urb->transfer_buffer, urb->actual_length); - - if (cinergyt2->streaming) - cinergyt2_submit_stream_urb(cinergyt2, urb); -} - -static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2) -{ - int i; - - for (i=0; istream_urb[i]); - - usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, - cinergyt2->streambuf, cinergyt2->streambuf_dmahandle); -} - -static int cinergyt2_alloc_stream_urbs (struct cinergyt2 *cinergyt2) -{ - int i; - - cinergyt2->streambuf = usb_buffer_alloc(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, - GFP_KERNEL, &cinergyt2->streambuf_dmahandle); - if (!cinergyt2->streambuf) { - dprintk(1, "failed to alloc consistent stream memory area, bailing out!\n"); - return -ENOMEM; - } - - memset(cinergyt2->streambuf, 0, STREAM_URB_COUNT*STREAM_BUF_SIZE); - - for (i=0; itransfer_buffer = cinergyt2->streambuf + i * STREAM_BUF_SIZE; - urb->transfer_buffer_length = STREAM_BUF_SIZE; - - cinergyt2->stream_urb[i] = urb; - } - - return 0; -} - -static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2) -{ - int i; - - cinergyt2_control_stream_transfer(cinergyt2, 0); - - for (i=0; istream_urb[i]); -} - -static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2) -{ - int i, err; - - for (i=0; istream_urb[i]))) { - cinergyt2_stop_stream_xfer(cinergyt2); - dprintk(1, "failed urb submission (%i: err = %i)!\n", i, err); - return err; - } - } - - cinergyt2_control_stream_transfer(cinergyt2, 1); - return 0; -} - -static int cinergyt2_start_feed(struct dvb_demux_feed *dvbdmxfeed) -{ - struct dvb_demux *demux = dvbdmxfeed->demux; - struct cinergyt2 *cinergyt2 = demux->priv; - - if (cinergyt2->disconnect_pending) - return -EAGAIN; - if (mutex_lock_interruptible(&cinergyt2->sem)) - return -ERESTARTSYS; - - if (cinergyt2->streaming == 0) - cinergyt2_start_stream_xfer(cinergyt2); - - cinergyt2->streaming++; - mutex_unlock(&cinergyt2->sem); - return 0; -} - -static int cinergyt2_stop_feed(struct dvb_demux_feed *dvbdmxfeed) -{ - struct dvb_demux *demux = dvbdmxfeed->demux; - struct cinergyt2 *cinergyt2 = demux->priv; - - if (cinergyt2->disconnect_pending) - return -EAGAIN; - if (mutex_lock_interruptible(&cinergyt2->sem)) - return -ERESTARTSYS; - - if (--cinergyt2->streaming == 0) - cinergyt2_stop_stream_xfer(cinergyt2); - - mutex_unlock(&cinergyt2->sem); - return 0; -} - -/** - * convert linux-dvb frontend parameter set into TPS. - * See ETSI ETS-300744, section 4.6.2, table 9 for details. - * - * This function is probably reusable and may better get placed in a support - * library. - * - * We replace errornous fields by default TPS fields (the ones with value 0). - */ -static uint16_t compute_tps (struct dvb_frontend_parameters *p) -{ - struct dvb_ofdm_parameters *op = &p->u.ofdm; - uint16_t tps = 0; - - switch (op->code_rate_HP) { - case FEC_2_3: - tps |= (1 << 7); - break; - case FEC_3_4: - tps |= (2 << 7); - break; - case FEC_5_6: - tps |= (3 << 7); - break; - case FEC_7_8: - tps |= (4 << 7); - break; - case FEC_1_2: - case FEC_AUTO: - default: - /* tps |= (0 << 7) */; - } - - switch (op->code_rate_LP) { - case FEC_2_3: - tps |= (1 << 4); - break; - case FEC_3_4: - tps |= (2 << 4); - break; - case FEC_5_6: - tps |= (3 << 4); - break; - case FEC_7_8: - tps |= (4 << 4); - break; - case FEC_1_2: - case FEC_AUTO: - default: - /* tps |= (0 << 4) */; - } - - switch (op->constellation) { - case QAM_16: - tps |= (1 << 13); - break; - case QAM_64: - tps |= (2 << 13); - break; - case QPSK: - default: - /* tps |= (0 << 13) */; - } - - switch (op->transmission_mode) { - case TRANSMISSION_MODE_8K: - tps |= (1 << 0); - break; - case TRANSMISSION_MODE_2K: - default: - /* tps |= (0 << 0) */; - } - - switch (op->guard_interval) { - case GUARD_INTERVAL_1_16: - tps |= (1 << 2); - break; - case GUARD_INTERVAL_1_8: - tps |= (2 << 2); - break; - case GUARD_INTERVAL_1_4: - tps |= (3 << 2); - break; - case GUARD_INTERVAL_1_32: - default: - /* tps |= (0 << 2) */; - } - - switch (op->hierarchy_information) { - case HIERARCHY_1: - tps |= (1 << 10); - break; - case HIERARCHY_2: - tps |= (2 << 10); - break; - case HIERARCHY_4: - tps |= (3 << 10); - break; - case HIERARCHY_NONE: - default: - /* tps |= (0 << 10) */; - } - - return tps; -} - -static int cinergyt2_open (struct inode *inode, struct file *file) -{ - struct dvb_device *dvbdev = file->private_data; - struct cinergyt2 *cinergyt2 = dvbdev->priv; - int err = -EAGAIN; - - if (cinergyt2->disconnect_pending) - goto out; - err = mutex_lock_interruptible(&cinergyt2->wq_sem); - if (err) - goto out; - - err = mutex_lock_interruptible(&cinergyt2->sem); - if (err) - goto out_unlock1; - - if ((err = dvb_generic_open(inode, file))) - goto out_unlock2; - - if ((file->f_flags & O_ACCMODE) != O_RDONLY) { - cinergyt2_sleep(cinergyt2, 0); - schedule_delayed_work(&cinergyt2->query_work, HZ/2); - } - - atomic_inc(&cinergyt2->inuse); - -out_unlock2: - mutex_unlock(&cinergyt2->sem); -out_unlock1: - mutex_unlock(&cinergyt2->wq_sem); -out: - return err; -} - -static void cinergyt2_unregister(struct cinergyt2 *cinergyt2) -{ - dvb_net_release(&cinergyt2->dvbnet); - dvb_dmxdev_release(&cinergyt2->dmxdev); - dvb_dmx_release(&cinergyt2->demux); - dvb_unregister_device(cinergyt2->fedev); - dvb_unregister_adapter(&cinergyt2->adapter); - - cinergyt2_free_stream_urbs(cinergyt2); - kfree(cinergyt2); -} - -static int cinergyt2_release (struct inode *inode, struct file *file) -{ - struct dvb_device *dvbdev = file->private_data; - struct cinergyt2 *cinergyt2 = dvbdev->priv; - - mutex_lock(&cinergyt2->wq_sem); - - if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) { - cancel_rearming_delayed_work(&cinergyt2->query_work); - - mutex_lock(&cinergyt2->sem); - cinergyt2_sleep(cinergyt2, 1); - mutex_unlock(&cinergyt2->sem); - } - - mutex_unlock(&cinergyt2->wq_sem); - - if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) { - warn("delayed unregister in release"); - cinergyt2_unregister(cinergyt2); - } - - return dvb_generic_release(inode, file); -} - -static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct *wait) -{ - struct dvb_device *dvbdev = file->private_data; - struct cinergyt2 *cinergyt2 = dvbdev->priv; - unsigned int mask = 0; - - if (cinergyt2->disconnect_pending) - return -EAGAIN; - if (mutex_lock_interruptible(&cinergyt2->sem)) - return -ERESTARTSYS; - - poll_wait(file, &cinergyt2->poll_wq, wait); - - if (cinergyt2->pending_fe_events != 0) - mask |= (POLLIN | POLLRDNORM | POLLPRI); - - mutex_unlock(&cinergyt2->sem); - - return mask; -} - - -static int cinergyt2_ioctl (struct inode *inode, struct file *file, - unsigned cmd, unsigned long arg) -{ - struct dvb_device *dvbdev = file->private_data; - struct cinergyt2 *cinergyt2 = dvbdev->priv; - struct dvbt_get_status_msg *stat = &cinergyt2->status; - fe_status_t status = 0; - - switch (cmd) { - case FE_GET_INFO: - return copy_to_user((void __user*) arg, &cinergyt2_fe_info, - sizeof(struct dvb_frontend_info)); - - case FE_READ_STATUS: - if (0xffff - le16_to_cpu(stat->gain) > 30) - status |= FE_HAS_SIGNAL; - if (stat->lock_bits & (1 << 6)) - status |= FE_HAS_LOCK; - if (stat->lock_bits & (1 << 5)) - status |= FE_HAS_SYNC; - if (stat->lock_bits & (1 << 4)) - status |= FE_HAS_CARRIER; - if (stat->lock_bits & (1 << 1)) - status |= FE_HAS_VITERBI; - - return copy_to_user((void __user*) arg, &status, sizeof(status)); - - case FE_READ_BER: - return put_user(le32_to_cpu(stat->viterbi_error_rate), - (__u32 __user *) arg); - - case FE_READ_SIGNAL_STRENGTH: - return put_user(0xffff - le16_to_cpu(stat->gain), - (__u16 __user *) arg); - - case FE_READ_SNR: - return put_user((stat->snr << 8) | stat->snr, - (__u16 __user *) arg); - - case FE_READ_UNCORRECTED_BLOCKS: - { - uint32_t unc_count; - - if (mutex_lock_interruptible(&cinergyt2->sem)) - return -ERESTARTSYS; - unc_count = cinergyt2->uncorrected_block_count; - cinergyt2->uncorrected_block_count = 0; - mutex_unlock(&cinergyt2->sem); - - /* UNC are already converted to host byte order... */ - return put_user(unc_count,(__u32 __user *) arg); - } - case FE_SET_FRONTEND: - { - struct dvbt_set_parameters_msg *param = &cinergyt2->param; - struct dvb_frontend_parameters p; - int err; - - if ((file->f_flags & O_ACCMODE) == O_RDONLY) - return -EPERM; - - if (copy_from_user(&p, (void __user*) arg, sizeof(p))) - return -EFAULT; - - if (cinergyt2->disconnect_pending) - return -EAGAIN; - if (mutex_lock_interruptible(&cinergyt2->sem)) - return -ERESTARTSYS; - - param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; - param->tps = cpu_to_le16(compute_tps(&p)); - param->freq = cpu_to_le32(p.frequency / 1000); - param->bandwidth = 8 - p.u.ofdm.bandwidth - BANDWIDTH_8_MHZ; - - stat->lock_bits = 0; - cinergyt2->pending_fe_events++; - wake_up_interruptible(&cinergyt2->poll_wq); - - err = cinergyt2_command(cinergyt2, - (char *) param, sizeof(*param), - NULL, 0); - - mutex_unlock(&cinergyt2->sem); - - return (err < 0) ? err : 0; - } - - case FE_GET_FRONTEND: - /** - * trivial to implement (see struct dvbt_get_status_msg). - * equivalent to FE_READ ioctls, but needs - * TPS -> linux-dvb parameter set conversion. Feel free - * to implement this and send us a patch if you need this - * functionality. - */ - break; - - case FE_GET_EVENT: - { - /** - * for now we only fill the status field. the parameters - * are trivial to fill as soon FE_GET_FRONTEND is done. - */ - struct dvb_frontend_event __user *e = (void __user *) arg; - if (cinergyt2->pending_fe_events == 0) { - if (file->f_flags & O_NONBLOCK) - return -EWOULDBLOCK; - wait_event_interruptible(cinergyt2->poll_wq, - cinergyt2->pending_fe_events > 0); - } - cinergyt2->pending_fe_events = 0; - return cinergyt2_ioctl(inode, file, FE_READ_STATUS, - (unsigned long) &e->status); - } - - default: - ; - } - - return -EINVAL; -} - -static int cinergyt2_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct dvb_device *dvbdev = file->private_data; - struct cinergyt2 *cinergyt2 = dvbdev->priv; - int ret = 0; - - lock_kernel(); - - if (vma->vm_flags & (VM_WRITE | VM_EXEC)) { - ret = -EPERM; - goto bailout; - } - - if (vma->vm_end > vma->vm_start + STREAM_URB_COUNT * STREAM_BUF_SIZE) { - ret = -EINVAL; - goto bailout; - } - - vma->vm_flags |= (VM_IO | VM_DONTCOPY); - vma->vm_file = file; - - ret = remap_pfn_range(vma, vma->vm_start, - virt_to_phys(cinergyt2->streambuf) >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot) ? -EAGAIN : 0; -bailout: - unlock_kernel(); - return ret; -} - -static struct file_operations cinergyt2_fops = { - .owner = THIS_MODULE, - .ioctl = cinergyt2_ioctl, - .poll = cinergyt2_poll, - .open = cinergyt2_open, - .release = cinergyt2_release, - .mmap = cinergyt2_mmap -}; - -static struct dvb_device cinergyt2_fe_template = { - .users = ~0, - .writers = 1, - .readers = (~0)-1, - .fops = &cinergyt2_fops -}; - -#ifdef ENABLE_RC - -static void cinergyt2_query_rc (struct work_struct *work) -{ - struct cinergyt2 *cinergyt2 = - container_of(work, struct cinergyt2, rc_query_work.work); - char buf[1] = { CINERGYT2_EP1_GET_RC_EVENTS }; - struct cinergyt2_rc_event rc_events[12]; - int n, len, i; - - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) - return; - - len = cinergyt2_command(cinergyt2, buf, sizeof(buf), - (char *) rc_events, sizeof(rc_events)); - if (len < 0) - goto out; - if (len == 0) { - if (time_after(jiffies, cinergyt2->last_event_jiffies + - msecs_to_jiffies(150))) { - /* stop key repeat */ - if (cinergyt2->rc_input_event != KEY_MAX) { - dprintk(1, "rc_input_event=%d Up\n", cinergyt2->rc_input_event); - input_report_key(cinergyt2->rc_input_dev, - cinergyt2->rc_input_event, 0); - input_sync(cinergyt2->rc_input_dev); - cinergyt2->rc_input_event = KEY_MAX; - } - cinergyt2->rc_last_code = cpu_to_le32(~0); - } - goto out; - } - cinergyt2->last_event_jiffies = jiffies; - - for (n = 0; n < (len / sizeof(rc_events[0])); n++) { - dprintk(1, "rc_events[%d].value = %x, type=%x\n", - n, le32_to_cpu(rc_events[n].value), rc_events[n].type); - - if (rc_events[n].type == CINERGYT2_RC_EVENT_TYPE_NEC && - rc_events[n].value == cpu_to_le32(~0)) { - /* keyrepeat bit -> just repeat last rc_input_event */ - } else { - cinergyt2->rc_input_event = KEY_MAX; - for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) { - if (rc_keys[i + 0] == rc_events[n].type && - rc_keys[i + 1] == le32_to_cpu(rc_events[n].value)) { - cinergyt2->rc_input_event = rc_keys[i + 2]; - break; - } - } - } - - if (cinergyt2->rc_input_event != KEY_MAX) { - if (rc_events[n].value == cinergyt2->rc_last_code && - cinergyt2->rc_last_code != cpu_to_le32(~0)) { - /* emit a key-up so the double event is recognized */ - dprintk(1, "rc_input_event=%d UP\n", cinergyt2->rc_input_event); - input_report_key(cinergyt2->rc_input_dev, - cinergyt2->rc_input_event, 0); - } - dprintk(1, "rc_input_event=%d\n", cinergyt2->rc_input_event); - input_report_key(cinergyt2->rc_input_dev, - cinergyt2->rc_input_event, 1); - input_sync(cinergyt2->rc_input_dev); - cinergyt2->rc_last_code = rc_events[n].value; - } - } - -out: - schedule_delayed_work(&cinergyt2->rc_query_work, - msecs_to_jiffies(RC_QUERY_INTERVAL)); - - mutex_unlock(&cinergyt2->sem); -} - -static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) -{ - struct input_dev *input_dev; - int i; - int err; - - input_dev = input_allocate_device(); - if (!input_dev) - return -ENOMEM; - - usb_make_path(cinergyt2->udev, cinergyt2->phys, sizeof(cinergyt2->phys)); - strlcat(cinergyt2->phys, "/input0", sizeof(cinergyt2->phys)); - cinergyt2->rc_input_event = KEY_MAX; - cinergyt2->rc_last_code = cpu_to_le32(~0); - INIT_DELAYED_WORK(&cinergyt2->rc_query_work, cinergyt2_query_rc); - - input_dev->name = DRIVER_NAME " remote control"; - input_dev->phys = cinergyt2->phys; - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); - for (i = 0; i < ARRAY_SIZE(rc_keys); i += 3) - set_bit(rc_keys[i + 2], input_dev->keybit); - input_dev->keycodesize = 0; - input_dev->keycodemax = 0; - input_dev->id.bustype = BUS_USB; - input_dev->id.vendor = le16_to_cpu(cinergyt2->udev->descriptor.idVendor); - input_dev->id.product = le16_to_cpu(cinergyt2->udev->descriptor.idProduct); - input_dev->id.version = 1; - input_dev->dev.parent = &cinergyt2->udev->dev; - - err = input_register_device(input_dev); - if (err) { - input_free_device(input_dev); - return err; - } - - cinergyt2->rc_input_dev = input_dev; - schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2); - - return 0; -} - -static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) -{ - cancel_rearming_delayed_work(&cinergyt2->rc_query_work); - input_unregister_device(cinergyt2->rc_input_dev); -} - -static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) -{ - cancel_rearming_delayed_work(&cinergyt2->rc_query_work); -} - -static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) -{ - schedule_delayed_work(&cinergyt2->rc_query_work, HZ/2); -} - -#else - -static inline int cinergyt2_register_rc(struct cinergyt2 *cinergyt2) { return 0; } -static inline void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2) { } -static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2) { } -static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2) { } - -#endif /* ENABLE_RC */ - -static void cinergyt2_query (struct work_struct *work) -{ - struct cinergyt2 *cinergyt2 = - container_of(work, struct cinergyt2, query_work.work); - char cmd [] = { CINERGYT2_EP1_GET_TUNER_STATUS }; - struct dvbt_get_status_msg *s = &cinergyt2->status; - uint8_t lock_bits; - - if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) - return; - - lock_bits = s->lock_bits; - - cinergyt2_command(cinergyt2, cmd, sizeof(cmd), (char *) s, sizeof(*s)); - - cinergyt2->uncorrected_block_count += - le32_to_cpu(s->uncorrected_block_count); - - if (lock_bits != s->lock_bits) { - wake_up_interruptible(&cinergyt2->poll_wq); - cinergyt2->pending_fe_events++; - } - - schedule_delayed_work(&cinergyt2->query_work, - msecs_to_jiffies(QUERY_INTERVAL)); - - mutex_unlock(&cinergyt2->sem); -} - -static int cinergyt2_probe (struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct cinergyt2 *cinergyt2; - int err; - - if (!(cinergyt2 = kzalloc (sizeof(struct cinergyt2), GFP_KERNEL))) { - dprintk(1, "out of memory?!?\n"); - return -ENOMEM; - } - - usb_set_intfdata (intf, (void *) cinergyt2); - - mutex_init(&cinergyt2->sem); - mutex_init(&cinergyt2->wq_sem); - init_waitqueue_head (&cinergyt2->poll_wq); - INIT_DELAYED_WORK(&cinergyt2->query_work, cinergyt2_query); - - cinergyt2->udev = interface_to_usbdev(intf); - cinergyt2->param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; - - if (cinergyt2_alloc_stream_urbs (cinergyt2) < 0) { - dprintk(1, "unable to allocate stream urbs\n"); - kfree(cinergyt2); - return -ENOMEM; - } - - err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, - THIS_MODULE, &cinergyt2->udev->dev, - adapter_nr); - if (err < 0) { - kfree(cinergyt2); - return err; - } - - cinergyt2->demux.priv = cinergyt2; - cinergyt2->demux.filternum = 256; - cinergyt2->demux.feednum = 256; - cinergyt2->demux.start_feed = cinergyt2_start_feed; - cinergyt2->demux.stop_feed = cinergyt2_stop_feed; - cinergyt2->demux.dmx.capabilities = DMX_TS_FILTERING | - DMX_SECTION_FILTERING | - DMX_MEMORY_BASED_FILTERING; - - if ((err = dvb_dmx_init(&cinergyt2->demux)) < 0) { - dprintk(1, "dvb_dmx_init() failed (err = %d)\n", err); - goto bailout; - } - - cinergyt2->dmxdev.filternum = cinergyt2->demux.filternum; - cinergyt2->dmxdev.demux = &cinergyt2->demux.dmx; - cinergyt2->dmxdev.capabilities = 0; - - if ((err = dvb_dmxdev_init(&cinergyt2->dmxdev, &cinergyt2->adapter)) < 0) { - dprintk(1, "dvb_dmxdev_init() failed (err = %d)\n", err); - goto bailout; - } - - if (dvb_net_init(&cinergyt2->adapter, &cinergyt2->dvbnet, &cinergyt2->demux.dmx)) - dprintk(1, "dvb_net_init() failed!\n"); - - dvb_register_device(&cinergyt2->adapter, &cinergyt2->fedev, - &cinergyt2_fe_template, cinergyt2, - DVB_DEVICE_FRONTEND); - - err = cinergyt2_register_rc(cinergyt2); - if (err) - goto bailout; - - return 0; - -bailout: - dvb_net_release(&cinergyt2->dvbnet); - dvb_dmxdev_release(&cinergyt2->dmxdev); - dvb_dmx_release(&cinergyt2->demux); - dvb_unregister_adapter(&cinergyt2->adapter); - cinergyt2_free_stream_urbs(cinergyt2); - kfree(cinergyt2); - return -ENOMEM; -} - -static void cinergyt2_disconnect (struct usb_interface *intf) -{ - struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); - - cinergyt2_unregister_rc(cinergyt2); - cancel_rearming_delayed_work(&cinergyt2->query_work); - wake_up_interruptible(&cinergyt2->poll_wq); - - cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx); - cinergyt2->disconnect_pending = 1; - - if (!atomic_read(&cinergyt2->inuse)) - cinergyt2_unregister(cinergyt2); -} - -static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state) -{ - struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); - - if (cinergyt2->disconnect_pending) - return -EAGAIN; - if (mutex_lock_interruptible(&cinergyt2->wq_sem)) - return -ERESTARTSYS; - - cinergyt2_suspend_rc(cinergyt2); - cancel_rearming_delayed_work(&cinergyt2->query_work); - - mutex_lock(&cinergyt2->sem); - if (cinergyt2->streaming) - cinergyt2_stop_stream_xfer(cinergyt2); - cinergyt2_sleep(cinergyt2, 1); - mutex_unlock(&cinergyt2->sem); - - mutex_unlock(&cinergyt2->wq_sem); - - return 0; -} - -static int cinergyt2_resume (struct usb_interface *intf) -{ - struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf); - struct dvbt_set_parameters_msg *param = &cinergyt2->param; - int err = -EAGAIN; - - if (cinergyt2->disconnect_pending) - goto out; - err = mutex_lock_interruptible(&cinergyt2->wq_sem); - if (err) - goto out; - - err = mutex_lock_interruptible(&cinergyt2->sem); - if (err) - goto out_unlock1; - - if (!cinergyt2->sleeping) { - cinergyt2_sleep(cinergyt2, 0); - cinergyt2_command(cinergyt2, (char *) param, sizeof(*param), NULL, 0); - if (cinergyt2->streaming) - cinergyt2_start_stream_xfer(cinergyt2); - schedule_delayed_work(&cinergyt2->query_work, HZ/2); - } - - cinergyt2_resume_rc(cinergyt2); - - mutex_unlock(&cinergyt2->sem); -out_unlock1: - mutex_unlock(&cinergyt2->wq_sem); -out: - return err; -} - -static const struct usb_device_id cinergyt2_table [] __devinitdata = { - { USB_DEVICE(0x0ccd, 0x0038) }, - { 0 } -}; - -MODULE_DEVICE_TABLE(usb, cinergyt2_table); - -static struct usb_driver cinergyt2_driver = { - .name = "cinergyT2", - .probe = cinergyt2_probe, - .disconnect = cinergyt2_disconnect, - .suspend = cinergyt2_suspend, - .resume = cinergyt2_resume, - .id_table = cinergyt2_table -}; - -static int __init cinergyt2_init (void) -{ - int err; - - if ((err = usb_register(&cinergyt2_driver)) < 0) - dprintk(1, "usb_register() failed! (err %i)\n", err); - - return err; -} - -static void __exit cinergyt2_exit (void) -{ - usb_deregister(&cinergyt2_driver); -} - -module_init (cinergyt2_init); -module_exit (cinergyt2_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Holger Waechtler, Daniel Mack"); diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 241c9ab54b1b..57bb470bd064 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -259,6 +259,14 @@ config DVB_USB_DW2102 Say Y here to support the DvbWorld DVB-S/S2 USB2.0 receivers and the TeVii S650. +config DVB_USB_CINERGY_T2 + tristate "Terratec CinergyT2/qanu USB 2.0 DVB-T receiver" + depends on DVB_USB + help + Support for "TerraTec CinergyT2" USB2.0 Highspeed DVB Receivers + + Say Y if you own such a device and want to use it. + config DVB_USB_ANYSEE tristate "Anysee DVB-T/C USB2.0 support" depends on DVB_USB diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile index ece8c9dfed18..3122b7cc2c23 100644 --- a/drivers/media/dvb/dvb-usb/Makefile +++ b/drivers/media/dvb/dvb-usb/Makefile @@ -73,6 +73,10 @@ obj-$(CONFIG_DVB_USB_DTV5100) += dvb-usb-dtv5100.o dvb-usb-af9015-objs = af9015.o obj-$(CONFIG_DVB_USB_AF9015) += dvb-usb-af9015.o +dvb-usb-cinergyT2-objs = cinergyT2-core.o cinergyT2-fe.o +obj-$(CONFIG_DVB_USB_CINERGY_T2) += dvb-usb-cinergyT2.o + + EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/ # due to tuner-xc3028 EXTRA_CFLAGS += -Idrivers/media/common/tuners diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-core.c b/drivers/media/dvb/dvb-usb/cinergyT2-core.c new file mode 100644 index 000000000000..25863033c480 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/cinergyT2-core.c @@ -0,0 +1,230 @@ +/* + * TerraTec Cinergy T2/qanu USB2 DVB-T adapter. + * + * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi) + * + * Based on the dvb-usb-framework code and the + * original Terratec Cinergy T2 driver by: + * + * Copyright (C) 2004 Daniel Mack and + * Holger Waechtler + * + * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include "cinergyT2.h" + + +/* debug */ +int dvb_usb_cinergyt2_debug; +int disable_remote; + +module_param_named(debug, dvb_usb_cinergyt2_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 " + "(or-able))."); + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + + +/* We are missing a release hook with usb_device data */ +struct dvb_usb_device *cinergyt2_usb_device; + +static struct dvb_usb_device_properties cinergyt2_properties; + +static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) +{ + char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; + char result[64]; + return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result, + sizeof(result), 0); +} + +static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) +{ + char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 }; + char state[3]; + return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0); +} + +static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) +{ + char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION }; + char state[3]; + int ret; + + adap->fe = cinergyt2_fe_attach(adap->dev); + + ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state, + sizeof(state), 0); + if (ret < 0) { + deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " + "state info\n"); + } + + /* Copy this pointer as we are gonna need it in the release phase */ + cinergyt2_usb_device = adap->dev; + + return 0; +} + +static struct dvb_usb_rc_key cinergyt2_rc_keys[] = { + { 0x04, 0x01, KEY_POWER }, + { 0x04, 0x02, KEY_1 }, + { 0x04, 0x03, KEY_2 }, + { 0x04, 0x04, KEY_3 }, + { 0x04, 0x05, KEY_4 }, + { 0x04, 0x06, KEY_5 }, + { 0x04, 0x07, KEY_6 }, + { 0x04, 0x08, KEY_7 }, + { 0x04, 0x09, KEY_8 }, + { 0x04, 0x0a, KEY_9 }, + { 0x04, 0x0c, KEY_0 }, + { 0x04, 0x0b, KEY_VIDEO }, + { 0x04, 0x0d, KEY_REFRESH }, + { 0x04, 0x0e, KEY_SELECT }, + { 0x04, 0x0f, KEY_EPG }, + { 0x04, 0x10, KEY_UP }, + { 0x04, 0x14, KEY_DOWN }, + { 0x04, 0x11, KEY_LEFT }, + { 0x04, 0x13, KEY_RIGHT }, + { 0x04, 0x12, KEY_OK }, + { 0x04, 0x15, KEY_TEXT }, + { 0x04, 0x16, KEY_INFO }, + { 0x04, 0x17, KEY_RED }, + { 0x04, 0x18, KEY_GREEN }, + { 0x04, 0x19, KEY_YELLOW }, + { 0x04, 0x1a, KEY_BLUE }, + { 0x04, 0x1c, KEY_VOLUMEUP }, + { 0x04, 0x1e, KEY_VOLUMEDOWN }, + { 0x04, 0x1d, KEY_MUTE }, + { 0x04, 0x1b, KEY_CHANNELUP }, + { 0x04, 0x1f, KEY_CHANNELDOWN }, + { 0x04, 0x40, KEY_PAUSE }, + { 0x04, 0x4c, KEY_PLAY }, + { 0x04, 0x58, KEY_RECORD }, + { 0x04, 0x54, KEY_PREVIOUS }, + { 0x04, 0x48, KEY_STOP }, + { 0x04, 0x5c, KEY_NEXT } +}; + +static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; + *state = REMOTE_NO_KEY_PRESSED; + + dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); + if (key[4] == 0xff) + return 0; + + /* hack to pass checksum on the custom field (is set to 0xeb) */ + key[2] = ~0x04; + dvb_usb_nec_rc_key_to_event(d, key, event, state); + if (key[0] != 0) + deb_info("key: %x %x %x %x %x\n", + key[0], key[1], key[2], key[3], key[4]); + + return 0; +} + +static int cinergyt2_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return dvb_usb_device_init(intf, &cinergyt2_properties, + THIS_MODULE, NULL, adapter_nr); +} + + +static struct usb_device_id cinergyt2_usb_table[] = { + { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, + { 0 } +}; + +MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); + +static struct dvb_usb_device_properties cinergyt2_properties = { + + .num_adapters = 1, + .adapter = { + { + .streaming_ctrl = cinergyt2_streaming_ctrl, + .frontend_attach = cinergyt2_frontend_attach, + + /* parameter for the MPEG2-data transfer */ + .stream = { + .type = USB_BULK, + .count = 5, + .endpoint = 0x02, + .u = { + .bulk = { + .buffersize = 512, + } + } + }, + } + }, + + .power_ctrl = cinergyt2_power_ctrl, + + .rc_interval = 50, + .rc_key_map = cinergyt2_rc_keys, + .rc_key_map_size = ARRAY_SIZE(cinergyt2_rc_keys), + .rc_query = cinergyt2_rc_query, + + .generic_bulk_ctrl_endpoint = 1, + + .num_device_descs = 1, + .devices = { + { .name = "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver", + .cold_ids = {NULL}, + .warm_ids = { &cinergyt2_usb_table[0], NULL }, + }, + { NULL }, + } +}; + + +static struct usb_driver cinergyt2_driver = { + .name = "cinergyT2", + .probe = cinergyt2_usb_probe, + .disconnect = dvb_usb_device_exit, + .id_table = cinergyt2_usb_table +}; + +static int __init cinergyt2_usb_init(void) +{ + int err; + + err = usb_register(&cinergyt2_driver); + if (err) { + err("usb_register() failed! (err %i)\n", err); + return err; + } + return 0; +} + +static void __exit cinergyt2_usb_exit(void) +{ + usb_deregister(&cinergyt2_driver); +} + +module_init(cinergyt2_usb_init); +module_exit(cinergyt2_usb_exit); + +MODULE_DESCRIPTION("Terratec Cinergy T2 DVB-T driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Tomi Orava"); diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-fe.c b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c new file mode 100644 index 000000000000..649f25cca49e --- /dev/null +++ b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c @@ -0,0 +1,351 @@ +/* + * TerraTec Cinergy T2/qanu USB2 DVB-T adapter. + * + * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi) + * + * Based on the dvb-usb-framework code and the + * original Terratec Cinergy T2 driver by: + * + * Copyright (C) 2004 Daniel Mack and + * Holger Waechtler + * + * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include "cinergyT2.h" + + +/** + * convert linux-dvb frontend parameter set into TPS. + * See ETSI ETS-300744, section 4.6.2, table 9 for details. + * + * This function is probably reusable and may better get placed in a support + * library. + * + * We replace errornous fields by default TPS fields (the ones with value 0). + */ + +static uint16_t compute_tps(struct dvb_frontend_parameters *p) +{ + struct dvb_ofdm_parameters *op = &p->u.ofdm; + uint16_t tps = 0; + + switch (op->code_rate_HP) { + case FEC_2_3: + tps |= (1 << 7); + break; + case FEC_3_4: + tps |= (2 << 7); + break; + case FEC_5_6: + tps |= (3 << 7); + break; + case FEC_7_8: + tps |= (4 << 7); + break; + case FEC_1_2: + case FEC_AUTO: + default: + /* tps |= (0 << 7) */; + } + + switch (op->code_rate_LP) { + case FEC_2_3: + tps |= (1 << 4); + break; + case FEC_3_4: + tps |= (2 << 4); + break; + case FEC_5_6: + tps |= (3 << 4); + break; + case FEC_7_8: + tps |= (4 << 4); + break; + case FEC_1_2: + case FEC_AUTO: + default: + /* tps |= (0 << 4) */; + } + + switch (op->constellation) { + case QAM_16: + tps |= (1 << 13); + break; + case QAM_64: + tps |= (2 << 13); + break; + case QPSK: + default: + /* tps |= (0 << 13) */; + } + + switch (op->transmission_mode) { + case TRANSMISSION_MODE_8K: + tps |= (1 << 0); + break; + case TRANSMISSION_MODE_2K: + default: + /* tps |= (0 << 0) */; + } + + switch (op->guard_interval) { + case GUARD_INTERVAL_1_16: + tps |= (1 << 2); + break; + case GUARD_INTERVAL_1_8: + tps |= (2 << 2); + break; + case GUARD_INTERVAL_1_4: + tps |= (3 << 2); + break; + case GUARD_INTERVAL_1_32: + default: + /* tps |= (0 << 2) */; + } + + switch (op->hierarchy_information) { + case HIERARCHY_1: + tps |= (1 << 10); + break; + case HIERARCHY_2: + tps |= (2 << 10); + break; + case HIERARCHY_4: + tps |= (3 << 10); + break; + case HIERARCHY_NONE: + default: + /* tps |= (0 << 10) */; + } + + return tps; +} + +struct cinergyt2_fe_state { + struct dvb_frontend fe; + struct dvb_usb_device *d; +}; + +static int cinergyt2_fe_read_status(struct dvb_frontend *fe, + fe_status_t *status) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_get_status_msg result; + u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; + int ret; + + ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result, + sizeof(result), 0); + if (ret < 0) + return ret; + + *status = 0; + + if (0xffff - le16_to_cpu(result.gain) > 30) + *status |= FE_HAS_SIGNAL; + if (result.lock_bits & (1 << 6)) + *status |= FE_HAS_LOCK; + if (result.lock_bits & (1 << 5)) + *status |= FE_HAS_SYNC; + if (result.lock_bits & (1 << 4)) + *status |= FE_HAS_CARRIER; + if (result.lock_bits & (1 << 1)) + *status |= FE_HAS_VITERBI; + + if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != + (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) + *status &= ~FE_HAS_LOCK; + + return 0; +} + +static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_get_status_msg status; + char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; + int ret; + + ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, + sizeof(status), 0); + if (ret < 0) + return ret; + + *ber = le32_to_cpu(status.viterbi_error_rate); + return 0; +} + +static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_get_status_msg status; + u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; + int ret; + + ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status, + sizeof(status), 0); + if (ret < 0) { + err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n", + ret); + return ret; + } + *unc = le32_to_cpu(status.uncorrected_block_count); + return 0; +} + +static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe, + u16 *strength) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_get_status_msg status; + char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; + int ret; + + ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, + sizeof(status), 0); + if (ret < 0) { + err("cinergyt2_fe_read_signal_strength() Failed!" + " (Error=%d)\n", ret); + return ret; + } + *strength = (0xffff - le16_to_cpu(status.gain)); + return 0; +} + +static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_get_status_msg status; + char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; + int ret; + + ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, + sizeof(status), 0); + if (ret < 0) { + err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret); + return ret; + } + *snr = (status.snr << 8) | status.snr; + return 0; +} + +static int cinergyt2_fe_init(struct dvb_frontend *fe) +{ + return 0; +} + +static int cinergyt2_fe_sleep(struct dvb_frontend *fe) +{ + deb_info("cinergyt2_fe_sleep() Called\n"); + return 0; +} + +static int cinergyt2_fe_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 800; + return 0; +} + +static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + struct dvbt_set_parameters_msg param; + char result[2]; + int err; + + param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; + param.tps = cpu_to_le16(compute_tps(fep)); + param.freq = cpu_to_le32(fep->frequency / 1000); + param.bandwidth = 8 - fep->u.ofdm.bandwidth - BANDWIDTH_8_MHZ; + + err = dvb_usb_generic_rw(state->d, + (char *)¶m, sizeof(param), + result, sizeof(result), 0); + if (err < 0) + err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err); + + return (err < 0) ? err : 0; +} + +static int cinergyt2_fe_get_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + return 0; +} + +static void cinergyt2_fe_release(struct dvb_frontend *fe) +{ + struct cinergyt2_fe_state *state = fe->demodulator_priv; + if (state != NULL) + kfree(state); +} + +static struct dvb_frontend_ops cinergyt2_fe_ops; + +struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d) +{ + struct cinergyt2_fe_state *s = kzalloc(sizeof( + struct cinergyt2_fe_state), GFP_KERNEL); + if (s == NULL) + return NULL; + + s->d = d; + memcpy(&s->fe.ops, &cinergyt2_fe_ops, sizeof(struct dvb_frontend_ops)); + s->fe.demodulator_priv = s; + return &s->fe; +} + + +static struct dvb_frontend_ops cinergyt2_fe_ops = { + .info = { + .name = DRIVER_NAME, + .type = FE_OFDM, + .frequency_min = 174000000, + .frequency_max = 862000000, + .frequency_stepsize = 166667, + .caps = FE_CAN_INVERSION_AUTO | FE_CAN_FEC_1_2 + | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 + | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 + | FE_CAN_FEC_AUTO | FE_CAN_QPSK + | FE_CAN_QAM_16 | FE_CAN_QAM_64 + | FE_CAN_QAM_AUTO + | FE_CAN_TRANSMISSION_MODE_AUTO + | FE_CAN_GUARD_INTERVAL_AUTO + | FE_CAN_HIERARCHY_AUTO + | FE_CAN_RECOVER + | FE_CAN_MUTE_TS + }, + + .release = cinergyt2_fe_release, + + .init = cinergyt2_fe_init, + .sleep = cinergyt2_fe_sleep, + + .set_frontend = cinergyt2_fe_set_frontend, + .get_frontend = cinergyt2_fe_get_frontend, + .get_tune_settings = cinergyt2_fe_get_tune_settings, + + .read_status = cinergyt2_fe_read_status, + .read_ber = cinergyt2_fe_read_ber, + .read_signal_strength = cinergyt2_fe_read_signal_strength, + .read_snr = cinergyt2_fe_read_snr, + .read_ucblocks = cinergyt2_fe_read_unc_blocks, +}; diff --git a/drivers/media/dvb/dvb-usb/cinergyT2.h b/drivers/media/dvb/dvb-usb/cinergyT2.h new file mode 100644 index 000000000000..11d79eb384c8 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/cinergyT2.h @@ -0,0 +1,95 @@ +/* + * TerraTec Cinergy T2/qanu USB2 DVB-T adapter. + * + * Copyright (C) 2007 Tomi Orava (tomimo@ncircle.nullnet.fi) + * + * Based on the dvb-usb-framework code and the + * original Terratec Cinergy T2 driver by: + * + * Copyright (C) 2004 Daniel Mack and + * Holger Waechtler + * + * Protocol Spec published on http://qanu.de/specs/terratec_cinergyT2.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _DVB_USB_CINERGYT2_H_ +#define _DVB_USB_CINERGYT2_H_ + +#include + +#define DVB_USB_LOG_PREFIX "cinergyT2" +#include "dvb-usb.h" + +#define DRIVER_NAME "TerraTec/qanu USB2.0 Highspeed DVB-T Receiver" + +extern int dvb_usb_cinergyt2_debug; + +#define deb_info(args...) dprintk(dvb_usb_cinergyt2_debug, 0x001, args) +#define deb_xfer(args...) dprintk(dvb_usb_cinergyt2_debug, 0x002, args) +#define deb_pll(args...) dprintk(dvb_usb_cinergyt2_debug, 0x004, args) +#define deb_ts(args...) dprintk(dvb_usb_cinergyt2_debug, 0x008, args) +#define deb_err(args...) dprintk(dvb_usb_cinergyt2_debug, 0x010, args) +#define deb_rc(args...) dprintk(dvb_usb_cinergyt2_debug, 0x020, args) +#define deb_fw(args...) dprintk(dvb_usb_cinergyt2_debug, 0x040, args) +#define deb_mem(args...) dprintk(dvb_usb_cinergyt2_debug, 0x080, args) +#define deb_uxfer(args...) dprintk(dvb_usb_cinergyt2_debug, 0x100, args) + + + +enum cinergyt2_ep1_cmd { + CINERGYT2_EP1_PID_TABLE_RESET = 0x01, + CINERGYT2_EP1_PID_SETUP = 0x02, + CINERGYT2_EP1_CONTROL_STREAM_TRANSFER = 0x03, + CINERGYT2_EP1_SET_TUNER_PARAMETERS = 0x04, + CINERGYT2_EP1_GET_TUNER_STATUS = 0x05, + CINERGYT2_EP1_START_SCAN = 0x06, + CINERGYT2_EP1_CONTINUE_SCAN = 0x07, + CINERGYT2_EP1_GET_RC_EVENTS = 0x08, + CINERGYT2_EP1_SLEEP_MODE = 0x09, + CINERGYT2_EP1_GET_FIRMWARE_VERSION = 0x0A +}; + + +struct dvbt_get_status_msg { + uint32_t freq; + uint8_t bandwidth; + uint16_t tps; + uint8_t flags; + uint16_t gain; + uint8_t snr; + uint32_t viterbi_error_rate; + uint32_t rs_error_rate; + uint32_t uncorrected_block_count; + uint8_t lock_bits; + uint8_t prev_lock_bits; +} __attribute__((packed)); + + +struct dvbt_set_parameters_msg { + uint8_t cmd; + uint32_t freq; + uint8_t bandwidth; + uint16_t tps; + uint8_t flags; +} __attribute__((packed)); + + +extern struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d); + +#endif /* _DVB_USB_CINERGYT2_H_ */ + -- GitLab From 7f9876785276ac7f8606f8bf53a3dae4c10b8adb Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Fri, 19 Sep 2008 00:24:51 -0300 Subject: [PATCH 3991/6244] V4L/DVB (9108): cinergyT2: add remote key repeat feature Implement key repeat feature for the cinergyT2 remote controller. Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/cinergyT2-core.c | 52 +++++++++++++++++++--- 1 file changed, 45 insertions(+), 7 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-core.c b/drivers/media/dvb/dvb-usb/cinergyT2-core.c index 25863033c480..3ac9f74e9fbf 100644 --- a/drivers/media/dvb/dvb-usb/cinergyT2-core.c +++ b/drivers/media/dvb/dvb-usb/cinergyT2-core.c @@ -40,6 +40,9 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info, xfer=2, rc=4 " DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +struct cinergyt2_state { + u8 rc_counter; +}; /* We are missing a release hook with usb_device data */ struct dvb_usb_device *cinergyt2_usb_device; @@ -122,22 +125,57 @@ static struct dvb_usb_rc_key cinergyt2_rc_keys[] = { { 0x04, 0x5c, KEY_NEXT } }; +/* Number of keypresses to ignore before detect repeating */ +#define RC_REPEAT_DELAY 3 + +static int repeatable_keys[] = { + KEY_UP, + KEY_DOWN, + KEY_LEFT, + KEY_RIGHT, + KEY_VOLUMEUP, + KEY_VOLUMEDOWN, + KEY_CHANNELUP, + KEY_CHANNELDOWN +}; + static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { + struct cinergyt2_state *st = d->priv; u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; + int i; + *state = REMOTE_NO_KEY_PRESSED; dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); - if (key[4] == 0xff) + if (key[4] == 0xff) { + /* key repeat */ + st->rc_counter++; + if (st->rc_counter > RC_REPEAT_DELAY) { + for (i = 0; i < ARRAY_SIZE(repeatable_keys); i++) { + if (d->last_event == repeatable_keys[i]) { + *state = REMOTE_KEY_REPEAT; + *event = d->last_event; + deb_rc("repeat key, event %x\n", + *event); + return 0; + } + } + deb_rc("repeated key (non repeatable)\n"); + } return 0; + } - /* hack to pass checksum on the custom field (is set to 0xeb) */ - key[2] = ~0x04; + /* hack to pass checksum on the custom field */ + key[2] = ~key[1]; dvb_usb_nec_rc_key_to_event(d, key, event, state); - if (key[0] != 0) - deb_info("key: %x %x %x %x %x\n", - key[0], key[1], key[2], key[3], key[4]); + if (key[0] != 0) { + if (*event != d->last_event) + st->rc_counter = 0; + deb_rc("key: %x %x %x %x %x\n", + key[0], key[1], key[2], key[3], key[4]); + } return 0; } @@ -157,7 +195,7 @@ static struct usb_device_id cinergyt2_usb_table[] = { MODULE_DEVICE_TABLE(usb, cinergyt2_usb_table); static struct dvb_usb_device_properties cinergyt2_properties = { - + .size_of_priv = sizeof(struct cinergyt2_state), .num_adapters = 1, .adapter = { { -- GitLab From d267d85101c509020a12686b96cbd179deaf4ecd Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sun, 28 Sep 2008 21:46:02 -0300 Subject: [PATCH 3992/6244] V4L/DVB (9110): cx18: Add default behavior of checking and retrying PCI MMIO accesses cx18: Add default behavior of checking and retrying PCI MMIO accesses. The concept of checking and retrying PCI MMIO accesses for better reliability in older motherboards was suggested by Steve Toth . This change implements MMIO retries and the retry_mmio module parameter that is enabled by default. Limited experiments have shown this is more reliable than the mmio_ndelay parameter. mmio_ndelay has insignificant effect with retries enabled. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-av-core.c | 11 + drivers/media/video/cx18/cx18-av-core.h | 2 + drivers/media/video/cx18/cx18-av-firmware.c | 18 +- drivers/media/video/cx18/cx18-driver.c | 7 + drivers/media/video/cx18/cx18-driver.h | 11 + drivers/media/video/cx18/cx18-io.c | 135 +++++++++- drivers/media/video/cx18/cx18-io.h | 278 ++++++++++++++++++-- drivers/media/video/cx18/cx18-ioctl.c | 1 + 8 files changed, 427 insertions(+), 36 deletions(-) diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c index d8626e354651..73f5141a42d1 100644 --- a/drivers/media/video/cx18/cx18-av-core.c +++ b/drivers/media/video/cx18/cx18-av-core.c @@ -42,6 +42,12 @@ int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) return 0; } +int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value) +{ + cx18_write_reg_noretry(cx, value, 0xc40000 + addr); + return 0; +} + u8 cx18_av_read(struct cx18 *cx, u16 addr) { u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); @@ -55,6 +61,11 @@ u32 cx18_av_read4(struct cx18 *cx, u16 addr) return cx18_read_reg(cx, 0xc40000 + addr); } +u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr) +{ + return cx18_read_reg_noretry(cx, 0xc40000 + addr); +} + int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, u8 or_value) { diff --git a/drivers/media/video/cx18/cx18-av-core.h b/drivers/media/video/cx18/cx18-av-core.h index eb61fa1e0965..b67d8df20cc6 100644 --- a/drivers/media/video/cx18/cx18-av-core.h +++ b/drivers/media/video/cx18/cx18-av-core.h @@ -301,8 +301,10 @@ struct cx18_av_state { /* cx18_av-core.c */ int cx18_av_write(struct cx18 *cx, u16 addr, u8 value); int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value); +int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value); u8 cx18_av_read(struct cx18 *cx, u16 addr); u32 cx18_av_read4(struct cx18 *cx, u16 addr); +u32 cx18_av_read4_noretry(struct cx18 *cx, u16 addr); int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value); int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value); int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg); diff --git a/drivers/media/video/cx18/cx18-av-firmware.c b/drivers/media/video/cx18/cx18-av-firmware.c index 0488b6297704..522a035b2e8f 100644 --- a/drivers/media/video/cx18/cx18-av-firmware.c +++ b/drivers/media/video/cx18/cx18-av-firmware.c @@ -50,7 +50,7 @@ int cx18_av_loadfw(struct cx18 *cx) cx18_av_write4(cx, 0x8100, 0x00010000); /* Put the 8051 in reset and enable firmware upload */ - cx18_av_write4(cx, CXADEC_DL_CTL, 0x0F000000); + cx18_av_write4_noretry(cx, CXADEC_DL_CTL, 0x0F000000); ptr = fw->data; size = fw->size; @@ -59,22 +59,28 @@ int cx18_av_loadfw(struct cx18 *cx) u32 dl_control = 0x0F000000 | i | ((u32)ptr[i] << 16); u32 value = 0; int retries2; + int unrec_err = 0; - for (retries2 = 0; retries2 < 5; retries2++) { - cx18_av_write4(cx, CXADEC_DL_CTL, dl_control); + for (retries2 = 0; retries2 < CX18_MAX_MMIO_RETRIES; + retries2++) { + cx18_av_write4_noretry(cx, CXADEC_DL_CTL, + dl_control); udelay(10); - value = cx18_av_read4(cx, CXADEC_DL_CTL); + value = cx18_av_read4_noretry(cx, + CXADEC_DL_CTL); if (value == dl_control) break; /* Check if we can correct the byte by changing the address. We can only write the lower address byte of the address. */ if ((value & 0x3F00) != (dl_control & 0x3F00)) { - retries2 = 5; + unrec_err = 1; break; } } - if (retries2 >= 5) + cx18_log_write_retries(cx, retries2, + cx->reg_mem + 0xc40000 + CXADEC_DL_CTL); + if (unrec_err || retries2 >= CX18_MAX_MMIO_RETRIES) break; } if (i == size) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 4de7b501f207..df5531709ae5 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -96,6 +96,7 @@ static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; static int cx18_pci_latency = 1; +int cx18_retry_mmio = 1; int cx18_debug; module_param_array(tuner, int, &tuner_c, 0644); @@ -106,6 +107,7 @@ module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); module_param_named(debug, cx18_debug, int, 0644); +module_param_named(retry_mmio, cx18_retry_mmio, int, 0644); module_param(cx18_pci_latency, int, 0644); module_param(cx18_first_minor, int, 0644); @@ -147,6 +149,9 @@ MODULE_PARM_DESC(debug, MODULE_PARM_DESC(cx18_pci_latency, "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(retry_mmio, + "Check and retry memory mapped IO accesses\n" + "\t\t\tDefault: 1 [Yes]"); MODULE_PARM_DESC(mmio_ndelay, "Delay (ns) for each CX23418 memory mapped IO access.\n" "\t\t\tTry larger values that are close to a multiple of the\n" @@ -827,6 +832,7 @@ err: if (retval == 0) retval = -ENODEV; CX18_ERR("Error %d on initialization\n", retval); + cx18_log_statistics(cx); kfree(cx18_cards[cx18_cards_active]); cx18_cards[cx18_cards_active] = NULL; @@ -931,6 +937,7 @@ static void cx18_remove(struct pci_dev *pci_dev) pci_disable_device(cx->dev); + cx18_log_statistics(cx); CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); } diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 66cb748875c7..80f5f563d4fc 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -171,6 +171,7 @@ #define CX18_MAX_PGM_INDEX (400) +extern int cx18_retry_mmio; /* enable check & retry of mmio accesses */ extern int cx18_debug; @@ -344,6 +345,13 @@ struct cx18_i2c_algo_callback_data { int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ }; +#define CX18_MAX_MMIO_RETRIES 10 + +struct cx18_mmio_stats { + atomic_t retried_write[CX18_MAX_MMIO_RETRIES+1]; + atomic_t retried_read[CX18_MAX_MMIO_RETRIES+1]; +}; + /* Struct to hold info about cx18 cards */ struct cx18 { int num; /* board number, -1 during init! */ @@ -433,6 +441,9 @@ struct cx18 { u32 gpio_val; struct mutex gpio_lock; + /* Statistics */ + struct cx18_mmio_stats mmio_stats; + /* v4l2 and User settings */ /* codec settings */ diff --git a/drivers/media/video/cx18/cx18-io.c b/drivers/media/video/cx18/cx18-io.c index 55d1df93292a..700ab9439c16 100644 --- a/drivers/media/video/cx18/cx18-io.c +++ b/drivers/media/video/cx18/cx18-io.c @@ -24,6 +24,131 @@ #include "cx18-io.h" #include "cx18-irq.h" +void cx18_log_statistics(struct cx18 *cx) +{ + int i; + + if (!(cx18_debug & CX18_DBGFLG_INFO)) + return; + + for (i = 0; i <= CX18_MAX_MMIO_RETRIES; i++) + CX18_DEBUG_INFO("retried_write[%d] = %d\n", i, + atomic_read(&cx->mmio_stats.retried_write[i])); + for (i = 0; i <= CX18_MAX_MMIO_RETRIES; i++) + CX18_DEBUG_INFO("retried_read[%d] = %d\n", i, + atomic_read(&cx->mmio_stats.retried_read[i])); + return; +} + +void cx18_raw_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + cx18_raw_writel_noretry(cx, val, addr); + if (val == cx18_raw_readl_noretry(cx, addr)) + break; + } + cx18_log_write_retries(cx, i, addr); +} + +u32 cx18_raw_readl_retry(struct cx18 *cx, const void __iomem *addr) +{ + int i; + u32 val; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + val = cx18_raw_readl_noretry(cx, addr); + if (val != 0xffffffff) /* PCI bus read error */ + break; + } + cx18_log_read_retries(cx, i, addr); + return val; +} + +u16 cx18_raw_readw_retry(struct cx18 *cx, const void __iomem *addr) +{ + int i; + u16 val; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + val = cx18_raw_readw_noretry(cx, addr); + if (val != 0xffff) /* PCI bus read error */ + break; + } + cx18_log_read_retries(cx, i, addr); + return val; +} + +void cx18_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + cx18_writel_noretry(cx, val, addr); + if (val == cx18_readl_noretry(cx, addr)) + break; + } + cx18_log_write_retries(cx, i, addr); +} + +void cx18_writew_retry(struct cx18 *cx, u16 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + cx18_writew_noretry(cx, val, addr); + if (val == cx18_readw_noretry(cx, addr)) + break; + } + cx18_log_write_retries(cx, i, addr); +} + +void cx18_writeb_retry(struct cx18 *cx, u8 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + cx18_writeb_noretry(cx, val, addr); + if (val == cx18_readb_noretry(cx, addr)) + break; + } + cx18_log_write_retries(cx, i, addr); +} + +u32 cx18_readl_retry(struct cx18 *cx, const void __iomem *addr) +{ + int i; + u32 val; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + val = cx18_readl_noretry(cx, addr); + if (val != 0xffffffff) /* PCI bus read error */ + break; + } + cx18_log_read_retries(cx, i, addr); + return val; +} + +u16 cx18_readw_retry(struct cx18 *cx, const void __iomem *addr) +{ + int i; + u16 val; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + val = cx18_readw_noretry(cx, addr); + if (val != 0xffff) /* PCI bus read error */ + break; + } + cx18_log_read_retries(cx, i, addr); + return val; +} + +u8 cx18_readb_retry(struct cx18 *cx, const void __iomem *addr) +{ + int i; + u8 val; + for (i = 0; i < CX18_MAX_MMIO_RETRIES; i++) { + val = cx18_readb_noretry(cx, addr); + if (val != 0xff) /* PCI bus read error */ + break; + } + cx18_log_read_retries(cx, i, addr); + return val; +} + void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len) { @@ -127,13 +252,3 @@ void cx18_setup_page(struct cx18 *cx, u32 addr) val = (val & ~0x1f00) | ((addr >> 17) & 0x1f00); cx18_write_reg(cx, val, 0xD000F8); } - -/* Tries to recover from the CX23418 responding improperly on the PCI bus */ -int cx18_pci_try_recover(struct cx18 *cx) -{ - u16 status; - - pci_read_config_word(cx->dev, PCI_STATUS, &status); - pci_write_config_word(cx->dev, PCI_STATUS, status); - return 0; -} diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h index 7ab7be2531ca..197d4fbd9f95 100644 --- a/drivers/media/video/cx18/cx18-io.h +++ b/drivers/media/video/cx18/cx18-io.h @@ -31,102 +31,343 @@ static inline void cx18_io_delay(struct cx18 *cx) ndelay(cx->options.mmio_ndelay); } +/* + * Readback and retry of MMIO access for reliability: + * The concept was suggested by Steve Toth . + * The implmentation is the fault of Andy Walls . + */ + +/* Statistics gathering */ +static inline +void cx18_log_write_retries(struct cx18 *cx, int i, const void *addr) +{ + if (i > CX18_MAX_MMIO_RETRIES) + i = CX18_MAX_MMIO_RETRIES; + atomic_inc(&cx->mmio_stats.retried_write[i]); + return; +} + +static inline +void cx18_log_read_retries(struct cx18 *cx, int i, const void *addr) +{ + if (i > CX18_MAX_MMIO_RETRIES) + i = CX18_MAX_MMIO_RETRIES; + atomic_inc(&cx->mmio_stats.retried_read[i]); + return; +} + +void cx18_log_statistics(struct cx18 *cx); + /* Non byteswapping memory mapped IO */ -static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +static inline +void cx18_raw_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr) { __raw_writel(val, addr); cx18_io_delay(cx); } -static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +void cx18_raw_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr); + +static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + if (cx18_retry_mmio) + cx18_raw_writel_retry(cx, val, addr); + else + cx18_raw_writel_noretry(cx, val, addr); +} + + +static inline +u32 cx18_raw_readl_noretry(struct cx18 *cx, const void __iomem *addr) { u32 ret = __raw_readl(addr); cx18_io_delay(cx); return ret; } -static inline u16 cx18_raw_readw(struct cx18 *cx, const void __iomem *addr) +u32 cx18_raw_readl_retry(struct cx18 *cx, const void __iomem *addr); + +static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +{ + if (cx18_retry_mmio) + return cx18_raw_readl_retry(cx, addr); + + return cx18_raw_readl_noretry(cx, addr); +} + + +static inline +u16 cx18_raw_readw_noretry(struct cx18 *cx, const void __iomem *addr) { u16 ret = __raw_readw(addr); cx18_io_delay(cx); return ret; } +u16 cx18_raw_readw_retry(struct cx18 *cx, const void __iomem *addr); + +static inline u16 cx18_raw_readw(struct cx18 *cx, const void __iomem *addr) +{ + if (cx18_retry_mmio) + return cx18_raw_readw_retry(cx, addr); + + return cx18_raw_readw_noretry(cx, addr); +} + + /* Normal memory mapped IO */ -static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +static inline +void cx18_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr) { writel(val, addr); cx18_io_delay(cx); } -static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr) +void cx18_writel_retry(struct cx18 *cx, u32 val, void __iomem *addr); + +static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + if (cx18_retry_mmio) + cx18_writel_retry(cx, val, addr); + else + cx18_writel_noretry(cx, val, addr); +} + + +static inline +void cx18_writew_noretry(struct cx18 *cx, u16 val, void __iomem *addr) { writew(val, addr); cx18_io_delay(cx); } -static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr) +void cx18_writew_retry(struct cx18 *cx, u16 val, void __iomem *addr); + +static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr) +{ + if (cx18_retry_mmio) + cx18_writew_retry(cx, val, addr); + else + cx18_writew_noretry(cx, val, addr); +} + + +static inline +void cx18_writeb_noretry(struct cx18 *cx, u8 val, void __iomem *addr) { writeb(val, addr); cx18_io_delay(cx); } -static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +void cx18_writeb_retry(struct cx18 *cx, u8 val, void __iomem *addr); + +static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr) +{ + if (cx18_retry_mmio) + cx18_writeb_retry(cx, val, addr); + else + cx18_writeb_noretry(cx, val, addr); +} + + +static inline u32 cx18_readl_noretry(struct cx18 *cx, const void __iomem *addr) { u32 ret = readl(addr); cx18_io_delay(cx); return ret; } -static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr) +u32 cx18_readl_retry(struct cx18 *cx, const void __iomem *addr); + +static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +{ + if (cx18_retry_mmio) + return cx18_readl_retry(cx, addr); + + return cx18_readl_noretry(cx, addr); +} + + +static inline u16 cx18_readw_noretry(struct cx18 *cx, const void __iomem *addr) +{ + u16 ret = readw(addr); + cx18_io_delay(cx); + return ret; +} + +u16 cx18_readw_retry(struct cx18 *cx, const void __iomem *addr); + +static inline u16 cx18_readw(struct cx18 *cx, const void __iomem *addr) +{ + if (cx18_retry_mmio) + return cx18_readw_retry(cx, addr); + + return cx18_readw_noretry(cx, addr); +} + + +static inline u8 cx18_readb_noretry(struct cx18 *cx, const void __iomem *addr) { u8 ret = readb(addr); cx18_io_delay(cx); return ret; } +u8 cx18_readb_retry(struct cx18 *cx, const void __iomem *addr); + +static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr) +{ + if (cx18_retry_mmio) + return cx18_readb_retry(cx, addr); + + return cx18_readb_noretry(cx, addr); +} + + +static inline +u32 cx18_write_sync_noretry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + cx18_writel_noretry(cx, val, addr); + return cx18_readl_noretry(cx, addr); +} + +static inline +u32 cx18_write_sync_retry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + cx18_writel_retry(cx, val, addr); + return cx18_readl_retry(cx, addr); +} + static inline u32 cx18_write_sync(struct cx18 *cx, u32 val, void __iomem *addr) { - cx18_writel(cx, val, addr); - return cx18_readl(cx, addr); + if (cx18_retry_mmio) + return cx18_write_sync_retry(cx, val, addr); + + return cx18_write_sync_noretry(cx, val, addr); } + void cx18_memcpy_fromio(struct cx18 *cx, void *to, const void __iomem *from, unsigned int len); void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count); + /* Access "register" region of CX23418 memory mapped I/O */ +static inline void cx18_write_reg_noretry(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel_noretry(cx, val, cx->reg_mem + reg); +} + +static inline void cx18_write_reg_retry(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel_retry(cx, val, cx->reg_mem + reg); +} + static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) { - cx18_writel(cx, val, cx->reg_mem + reg); + if (cx18_retry_mmio) + cx18_write_reg_retry(cx, val, reg); + else + cx18_write_reg_noretry(cx, val, reg); +} + + +static inline u32 cx18_read_reg_noretry(struct cx18 *cx, u32 reg) +{ + return cx18_readl_noretry(cx, cx->reg_mem + reg); +} + +static inline u32 cx18_read_reg_retry(struct cx18 *cx, u32 reg) +{ + return cx18_readl_retry(cx, cx->reg_mem + reg); } static inline u32 cx18_read_reg(struct cx18 *cx, u32 reg) { - return cx18_readl(cx, cx->reg_mem + reg); + if (cx18_retry_mmio) + return cx18_read_reg_retry(cx, reg); + + return cx18_read_reg_noretry(cx, reg); +} + + +static inline u32 cx18_write_reg_sync_noretry(struct cx18 *cx, u32 val, u32 reg) +{ + return cx18_write_sync_noretry(cx, val, cx->reg_mem + reg); +} + +static inline u32 cx18_write_reg_sync_retry(struct cx18 *cx, u32 val, u32 reg) +{ + return cx18_write_sync_retry(cx, val, cx->reg_mem + reg); } static inline u32 cx18_write_reg_sync(struct cx18 *cx, u32 val, u32 reg) { - return cx18_write_sync(cx, val, cx->reg_mem + reg); + if (cx18_retry_mmio) + return cx18_write_reg_sync_retry(cx, val, reg); + + return cx18_write_reg_sync_noretry(cx, val, reg); } + /* Access "encoder memory" region of CX23418 memory mapped I/O */ +static inline void cx18_write_enc_noretry(struct cx18 *cx, u32 val, u32 addr) +{ + cx18_writel_noretry(cx, val, cx->enc_mem + addr); +} + +static inline void cx18_write_enc_retry(struct cx18 *cx, u32 val, u32 addr) +{ + cx18_writel_retry(cx, val, cx->enc_mem + addr); +} + static inline void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) { - cx18_writel(cx, val, cx->enc_mem + addr); + if (cx18_retry_mmio) + cx18_write_enc_retry(cx, val, addr); + else + cx18_write_enc_noretry(cx, val, addr); +} + + +static inline u32 cx18_read_enc_noretry(struct cx18 *cx, u32 addr) +{ + return cx18_readl_noretry(cx, cx->enc_mem + addr); +} + +static inline u32 cx18_read_enc_retry(struct cx18 *cx, u32 addr) +{ + return cx18_readl_retry(cx, cx->enc_mem + addr); } static inline u32 cx18_read_enc(struct cx18 *cx, u32 addr) { - return cx18_readl(cx, cx->enc_mem + addr); + if (cx18_retry_mmio) + return cx18_read_enc_retry(cx, addr); + + return cx18_read_enc_noretry(cx, addr); +} + +static inline +u32 cx18_write_enc_sync_noretry(struct cx18 *cx, u32 val, u32 addr) +{ + return cx18_write_sync_noretry(cx, val, cx->enc_mem + addr); } -static inline u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) +static inline +u32 cx18_write_enc_sync_retry(struct cx18 *cx, u32 val, u32 addr) { - return cx18_write_sync(cx, val, cx->enc_mem + addr); + return cx18_write_sync_retry(cx, val, cx->enc_mem + addr); } +static inline +u32 cx18_write_enc_sync(struct cx18 *cx, u32 val, u32 addr) +{ + if (cx18_retry_mmio) + return cx18_write_enc_sync_retry(cx, val, addr); + + return cx18_write_enc_sync_noretry(cx, val, addr); +} void cx18_sw1_irq_enable(struct cx18 *cx, u32 val); void cx18_sw1_irq_disable(struct cx18 *cx, u32 val); @@ -134,7 +375,4 @@ void cx18_sw2_irq_enable(struct cx18 *cx, u32 val); void cx18_sw2_irq_disable(struct cx18 *cx, u32 val); void cx18_setup_page(struct cx18 *cx, u32 addr); -/* Tries to recover from the CX23418 responding improperly on the PCI bus */ -int cx18_pci_try_recover(struct cx18 *cx); - #endif /* CX18_IO_H */ diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 4a47f61d9486..83aa9cb02e00 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -752,6 +752,7 @@ static int cx18_log_status(struct file *file, void *fh) CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)cx->mpg_data_received, (long long)cx->vbi_data_inserted); + cx18_log_statistics(cx); CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); return 0; } -- GitLab From 1e758265f4df731fcd20e559af3a8eb849db3b4d Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Fri, 3 Oct 2008 13:49:05 -0300 Subject: [PATCH 3993/6244] V4L/DVB (9111): cx18: Up the version to 1.0.1 cx18: Up the version to 1.0.1. This will make it easy to tell if retries of MMIO access are implemented or not in trouble reports. First course of action for I2C and other initialization problem reports will be to have user upgrade to v1.0.1 of driver. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/cx18/cx18-version.h b/drivers/media/video/cx18/cx18-version.h index d5c7a6f968dd..9f6be2d457fb 100644 --- a/drivers/media/video/cx18/cx18-version.h +++ b/drivers/media/video/cx18/cx18-version.h @@ -25,7 +25,7 @@ #define CX18_DRIVER_NAME "cx18" #define CX18_DRIVER_VERSION_MAJOR 1 #define CX18_DRIVER_VERSION_MINOR 0 -#define CX18_DRIVER_VERSION_PATCHLEVEL 0 +#define CX18_DRIVER_VERSION_PATCHLEVEL 1 #define CX18_VERSION __stringify(CX18_DRIVER_VERSION_MAJOR) "." __stringify(CX18_DRIVER_VERSION_MINOR) "." __stringify(CX18_DRIVER_VERSION_PATCHLEVEL) #define CX18_DRIVER_VERSION KERNEL_VERSION(CX18_DRIVER_VERSION_MAJOR, \ -- GitLab From 028165a336ab7d097d23e2af936dea373e3d3afc Mon Sep 17 00:00:00 2001 From: Hermann Pitton Date: Sat, 4 Oct 2008 21:37:36 -0300 Subject: [PATCH 3994/6244] V4L/DVB (9113): saa7134: fixes for the Asus Tiger Revision 1.00 In opposite to the P7131 Dual this early OEM card has a male radio antenna connector and also no remote. We currently switch the DVB-T RF feed to the radio input, like on the P7131 with female radio connector used also for DVB-T and should improve this. Signed-off-by: Hermann Pitton Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.saa7134 | 3 +- drivers/media/video/saa7134/saa7134-cards.c | 45 ++++++++++++++++++--- drivers/media/video/saa7134/saa7134-dvb.c | 5 +++ drivers/media/video/saa7134/saa7134.h | 1 + 4 files changed, 48 insertions(+), 6 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.saa7134 b/Documentation/video4linux/CARDLIST.saa7134 index 727b5f214772..dc67eef38ff9 100644 --- a/Documentation/video4linux/CARDLIST.saa7134 +++ b/Documentation/video4linux/CARDLIST.saa7134 @@ -76,7 +76,7 @@ 75 -> AVerMedia AVerTVHD MCE A180 [1461:1044] 76 -> SKNet MonsterTV Mobile [1131:4ee9] 77 -> Pinnacle PCTV 40i/50i/110i (saa7133) [11bd:002e] - 78 -> ASUSTeK P7131 Dual [1043:4862,1043:4857] + 78 -> ASUSTeK P7131 Dual [1043:4862] 79 -> Sedna/MuchTV PC TV Cardbus TV/Radio (ITO25 Rev:2B) 80 -> ASUS Digimatrix TV [1043:0210] 81 -> Philips Tiger reference design [1131:2018] @@ -150,3 +150,4 @@ 149 -> Avermedia PCI pure analog (M135A) [1461:f11d] 150 -> Zogis Real Angel 220 151 -> ADS Tech Instant HDTV [1421:0380] +152 -> Asus Tiger Rev:1.00 [1043:4857] diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index a2653b82e06b..c9392c4e92fd 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -4527,7 +4527,7 @@ struct saa7134_board saa7134_boards[] = { .amux = LINE2, .tv = 1, .gpio = 0x624000, - }, { + }, { .name = name_comp1, .vmux = 1, .amux = LINE1, @@ -4564,14 +4564,48 @@ struct saa7134_board saa7134_boards[] = { .tv = 1, }, { .name = name_comp, - .vmux = 4, - .amux = LINE1, + .vmux = 4, + .amux = LINE1, }, { .name = name_svideo, .vmux = 8, .amux = LINE1, } }, }, + [SAA7134_BOARD_ASUSTeK_TIGER] = { + .name = "Asus Tiger Rev:1.00", + .audio_clock = 0x00187de7, + .tuner_type = TUNER_PHILIPS_TDA8290, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .tuner_config = 0, + .mpeg = SAA7134_MPEG_DVB, + .gpiomask = 0x0200000, + .inputs = { { + .name = name_tv, + .vmux = 1, + .amux = TV, + .tv = 1, + }, { + .name = name_comp1, + .vmux = 3, + .amux = LINE2, + }, { + .name = name_comp2, + .vmux = 0, + .amux = LINE2, + }, { + .name = name_svideo, + .vmux = 8, + .amux = LINE2, + } }, + .radio = { + .name = name_radio, + .amux = TV, + .gpio = 0x0200000, + }, + }, }; const unsigned int saa7134_bcount = ARRAY_SIZE(saa7134_boards); @@ -5358,8 +5392,8 @@ struct pci_device_id saa7134_pci_tbl[] = { .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7133, .subvendor = 0x1043, - .subdevice = 0x4857, - .driver_data = SAA7134_BOARD_ASUSTeK_P7131_DUAL, + .subdevice = 0x4857, /* REV:1.00 */ + .driver_data = SAA7134_BOARD_ASUSTeK_TIGER, },{ .vendor = PCI_VENDOR_ID_PHILIPS, .device = PCI_DEVICE_ID_PHILIPS_SAA7134, @@ -6177,6 +6211,7 @@ int saa7134_board_init2(struct saa7134_dev *dev) case SAA7134_BOARD_PINNACLE_PCTV_310i: case SAA7134_BOARD_KWORLD_DVBT_210: case SAA7134_BOARD_TEVION_DVBT_220RF: + case SAA7134_BOARD_ASUSTeK_TIGER: case SAA7134_BOARD_ASUSTeK_P7131_DUAL: case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: case SAA7134_BOARD_MEDION_MD8800_QUADRO: diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 2c5185778af4..87c10983266f 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -1335,6 +1335,11 @@ static int dvb_init(struct saa7134_dev *dev) } } break; + case SAA7134_BOARD_ASUSTeK_TIGER: + if (configure_tda827x_fe(dev, &philips_tiger_config, + &tda827x_cfg_0) < 0) + goto dettach_frontend; + break; default: wprintk("Huh? unknown DVB card?\n"); break; diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index 0907c70dc48a..491ab1f8fdd3 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -274,6 +274,7 @@ struct saa7134_format { #define SAA7134_BOARD_AVERMEDIA_M135A 149 #define SAA7134_BOARD_REAL_ANGEL_220 150 #define SAA7134_BOARD_ADS_INSTANT_HDTV_PCI 151 +#define SAA7134_BOARD_ASUSTeK_TIGER 152 #define SAA7134_MAXBOARDS 8 #define SAA7134_INPUT_MAX 8 -- GitLab From da703d6262b5d168a4ceb427255cfcf3771b8f96 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 2 Sep 2008 19:00:21 -0300 Subject: [PATCH 3995/6244] V4L/DVB (8904): cx88: add missing unlock_kernel sparse found an unbalanced BKL usage. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-blackbird.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 1b7e2e44b802..e71369754305 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1073,6 +1073,7 @@ static int mpeg_open(struct inode *inode, struct file *file) err = drv->request_acquire(drv); if(err != 0) { dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); + unlock_kernel(); return err; } } -- GitLab From 79025a9ed9132880d5197611dec6d8533c121ac7 Mon Sep 17 00:00:00 2001 From: Devin Heitmueller Date: Mon, 6 Oct 2008 12:07:48 -0300 Subject: [PATCH 3996/6244] V4L/DVB (9114): dib0700: fix bad assignment of dib0700_xc5000_tuner_callback after return call Put callback definition before function return and cleanup callback: Fix a bug where the xc5000 callback was being set *after* the return call (essentially resulting in dead code). Also cleanup the callback function to detect unknown commands. Signed-off-by: Devin Heitmueller Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/dib0700_devices.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 9891ca0924a3..0cfccc24b190 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1181,11 +1181,16 @@ static int dib0700_xc5000_tuner_callback(void *priv, int component, { struct dvb_usb_adapter *adap = priv; - /* Reset the tuner */ - dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 0); - msleep(330); /* from Windows USB trace */ - dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 1); - msleep(330); /* from Windows USB trace */ + if (command == XC5000_TUNER_RESET) { + /* Reset the tuner */ + dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 0); + msleep(330); /* from Windows USB trace */ + dib0700_set_gpio(adap->dev, GPIO1, GPIO_OUT, 1); + msleep(330); /* from Windows USB trace */ + } else { + err("xc5000: unknown tuner callback command: %d\n", command); + return -EINVAL; + } return 0; } @@ -1197,12 +1202,12 @@ static struct xc5000_config s5h1411_xc5000_tunerconfig = { static int xc5000_tuner_attach(struct dvb_usb_adapter *adap) { + /* FIXME: generalize & move to common area */ + adap->fe->callback = dib0700_xc5000_tuner_callback; + return dvb_attach(xc5000_attach, adap->fe, &adap->dev->i2c_adap, &s5h1411_xc5000_tunerconfig) == NULL ? -ENODEV : 0; - - /* FIXME: generalize & move to common area */ - adap->fe->callback = dib0700_xc5000_tuner_callback; } /* DVB-USB and USB stuff follows */ -- GitLab From a482f327ff56bc3cf53176a7eb736cea47291a1d Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 10 Oct 2008 05:08:23 -0300 Subject: [PATCH 3997/6244] V4L/DVB (9116): USB: remove info() macro from usb media drivers USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Cc: Douglas Landgraf Cc: Mike Isely Cc: Thierry Merle Cc: Antoine Jacquet Signed-off-by: Greg Kroah-Hartman Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/dsbr100.c | 3 +- drivers/media/video/dabusb.c | 3 +- drivers/media/video/ov511.c | 105 +++++------ drivers/media/video/ov511.h | 3 +- drivers/media/video/pvrusb2/pvrusb2-main.c | 8 +- drivers/media/video/se401.c | 37 ++-- drivers/media/video/stv680.c | 6 +- drivers/media/video/usbvideo/ibmcam.c | 78 +++++---- drivers/media/video/usbvideo/konicawc.c | 17 +- .../media/video/usbvideo/quickcam_messenger.c | 3 +- drivers/media/video/usbvideo/ultracam.c | 29 ++-- drivers/media/video/usbvideo/usbvideo.c | 163 ++++++++++++------ .../media/video/usbvision/usbvision-core.c | 3 +- drivers/media/video/usbvision/usbvision-i2c.c | 3 +- .../media/video/usbvision/usbvision-video.c | 3 +- drivers/media/video/zr364xx.c | 50 +++--- 16 files changed, 312 insertions(+), 202 deletions(-) diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index 0f06e6ffb0e9..b3a5cb1adf3a 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -510,7 +510,8 @@ static int usb_dsbr100_probe(struct usb_interface *intf, static int __init dsbr100_init(void) { int retval = usb_register(&usb_dsbr100_driver); - info(DRIVER_VERSION ":" DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return retval; } diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c index 79faedf58521..3aa538afcc0b 100644 --- a/drivers/media/video/dabusb.c +++ b/drivers/media/video/dabusb.c @@ -866,7 +866,8 @@ static int __init dabusb_init (void) dbg("dabusb_init: driver registered"); - info(DRIVER_VERSION ":" DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); out: return retval; diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c index c6852402c5e9..935d73de57bd 100644 --- a/drivers/media/video/ov511.c +++ b/drivers/media/video/ov511.c @@ -974,14 +974,14 @@ dump_i2c_range(struct usb_ov511 *ov, int reg1, int regn) for (i = reg1; i <= regn; i++) { rc = i2c_r(ov, i); - info("Sensor[0x%02X] = 0x%02X", i, rc); + dev_info(&ov->dev->dev, "Sensor[0x%02X] = 0x%02X\n", i, rc); } } static void dump_i2c_regs(struct usb_ov511 *ov) { - info("I2C REGS"); + dev_info(&ov->dev->dev, "I2C REGS\n"); dump_i2c_range(ov, 0x00, 0x7C); } @@ -992,28 +992,28 @@ dump_reg_range(struct usb_ov511 *ov, int reg1, int regn) for (i = reg1; i <= regn; i++) { rc = reg_r(ov, i); - info("OV511[0x%02X] = 0x%02X", i, rc); + dev_info(&ov->dev->dev, "OV511[0x%02X] = 0x%02X\n", i, rc); } } static void ov511_dump_regs(struct usb_ov511 *ov) { - info("CAMERA INTERFACE REGS"); + dev_info(&ov->dev->dev, "CAMERA INTERFACE REGS\n"); dump_reg_range(ov, 0x10, 0x1f); - info("DRAM INTERFACE REGS"); + dev_info(&ov->dev->dev, "DRAM INTERFACE REGS\n"); dump_reg_range(ov, 0x20, 0x23); - info("ISO FIFO REGS"); + dev_info(&ov->dev->dev, "ISO FIFO REGS\n"); dump_reg_range(ov, 0x30, 0x31); - info("PIO REGS"); + dev_info(&ov->dev->dev, "PIO REGS\n"); dump_reg_range(ov, 0x38, 0x39); dump_reg_range(ov, 0x3e, 0x3e); - info("I2C REGS"); + dev_info(&ov->dev->dev, "I2C REGS\n"); dump_reg_range(ov, 0x40, 0x49); - info("SYSTEM CONTROL REGS"); + dev_info(&ov->dev->dev, "SYSTEM CONTROL REGS\n"); dump_reg_range(ov, 0x50, 0x55); dump_reg_range(ov, 0x5e, 0x5f); - info("OmniCE REGS"); + dev_info(&ov->dev->dev, "OmniCE REGS\n"); dump_reg_range(ov, 0x70, 0x79); /* NOTE: Quantization tables are not readable. You will get the value * in reg. 0x79 for every table register */ @@ -1025,25 +1025,25 @@ ov511_dump_regs(struct usb_ov511 *ov) static void ov518_dump_regs(struct usb_ov511 *ov) { - info("VIDEO MODE REGS"); + dev_info(&ov->dev->dev, "VIDEO MODE REGS\n"); dump_reg_range(ov, 0x20, 0x2f); - info("DATA PUMP AND SNAPSHOT REGS"); + dev_info(&ov->dev->dev, "DATA PUMP AND SNAPSHOT REGS\n"); dump_reg_range(ov, 0x30, 0x3f); - info("I2C REGS"); + dev_info(&ov->dev->dev, "I2C REGS\n"); dump_reg_range(ov, 0x40, 0x4f); - info("SYSTEM CONTROL AND VENDOR REGS"); + dev_info(&ov->dev->dev, "SYSTEM CONTROL AND VENDOR REGS\n"); dump_reg_range(ov, 0x50, 0x5f); - info("60 - 6F"); + dev_info(&ov->dev->dev, "60 - 6F\n"); dump_reg_range(ov, 0x60, 0x6f); - info("70 - 7F"); + dev_info(&ov->dev->dev, "70 - 7F\n"); dump_reg_range(ov, 0x70, 0x7f); - info("Y QUANTIZATION TABLE"); + dev_info(&ov->dev->dev, "Y QUANTIZATION TABLE\n"); dump_reg_range(ov, 0x80, 0x8f); - info("UV QUANTIZATION TABLE"); + dev_info(&ov->dev->dev, "UV QUANTIZATION TABLE\n"); dump_reg_range(ov, 0x90, 0x9f); - info("A0 - BF"); + dev_info(&ov->dev->dev, "A0 - BF\n"); dump_reg_range(ov, 0xa0, 0xbf); - info("CBR"); + dev_info(&ov->dev->dev, "CBR\n"); dump_reg_range(ov, 0xc0, 0xcf); } #endif @@ -3205,9 +3205,10 @@ ov511_move_data(struct usb_ov511 *ov, unsigned char *in, int n) */ if (printph) { - info("ph(%3d): %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x", - pnum, in[0], in[1], in[2], in[3], in[4], in[5], in[6], - in[7], in[8], in[9], in[10], in[11]); + dev_info(&ov->dev->dev, + "ph(%3d): %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x %2x\n", + pnum, in[0], in[1], in[2], in[3], in[4], in[5], in[6], + in[7], in[8], in[9], in[10], in[11]); } /* Check for SOF/EOF packet */ @@ -3366,8 +3367,10 @@ ov518_move_data(struct usb_ov511 *ov, unsigned char *in, int n) * the definitive SOF/EOF format */ if ((!(in[0] | in[1] | in[2] | in[3] | in[5])) && in[6]) { if (printph) { - info("ph: %2x %2x %2x %2x %2x %2x %2x %2x", in[0], - in[1], in[2], in[3], in[4], in[5], in[6], in[7]); + dev_info(&ov->dev->dev, + "ph: %2x %2x %2x %2x %2x %2x %2x %2x\n", + in[0], in[1], in[2], in[3], in[4], in[5], + in[6], in[7]); } if (frame->scanstate == STATE_LINES) { @@ -3646,14 +3649,16 @@ ov51x_init_isoc(struct usb_ov511 *ov) if (packetsize == -1) { ov518_set_packet_size(ov, 640); } else { - info("Forcing packet size to %d", packetsize); + dev_info(&ov->dev->dev, "Forcing packet size to %d\n", + packetsize); ov518_set_packet_size(ov, packetsize); } } else { if (packetsize == -1) { ov511_set_packet_size(ov, size); } else { - info("Forcing packet size to %d", packetsize); + dev_info(&ov->dev->dev, "Forcing packet size to %d\n", + packetsize); ov511_set_packet_size(ov, packetsize); } } @@ -4121,7 +4126,7 @@ ov51x_v4l1_ioctl_internal(struct inode *inode, struct file *file, return -EIO; if (force_palette && p->palette != force_palette) { - info("Palette rejected (%s)", + dev_info(&ov->dev->dev, "Palette rejected (%s)\n", symbolic(v4l1_plist, p->palette)); return -EINVAL; } @@ -4849,26 +4854,27 @@ ov7xx0_configure(struct usb_ov511 *ov) err("Error detecting sensor type"); return -1; } else if ((rc & 3) == 3) { - info("Sensor is an OV7610"); + dev_info(&ov->dev->dev, "Sensor is an OV7610\n"); ov->sensor = SEN_OV7610; } else if ((rc & 3) == 1) { /* I don't know what's different about the 76BE yet. */ if (i2c_r(ov, 0x15) & 1) - info("Sensor is an OV7620AE"); + dev_info(&ov->dev->dev, "Sensor is an OV7620AE\n"); else - info("Sensor is an OV76BE"); + dev_info(&ov->dev->dev, "Sensor is an OV76BE\n"); /* OV511+ will return all zero isoc data unless we * configure the sensor as a 7620. Someone needs to * find the exact reg. setting that causes this. */ if (ov->bridge == BRG_OV511PLUS) { - info("Enabling 511+/7620AE workaround"); + dev_info(&ov->dev->dev, + "Enabling 511+/7620AE workaround\n"); ov->sensor = SEN_OV7620; } else { ov->sensor = SEN_OV76BE; } } else if ((rc & 3) == 0) { - info("Sensor is an OV7620"); + dev_info(&ov->dev->dev, "Sensor is an OV7620\n"); ov->sensor = SEN_OV7620; } else { err("Unknown image sensor version: %d", rc & 3); @@ -5024,16 +5030,16 @@ ov6xx0_configure(struct usb_ov511 *ov) if ((rc & 3) == 0) { ov->sensor = SEN_OV6630; - info("Sensor is an OV6630"); + dev_info(&ov->dev->dev, "Sensor is an OV6630\n"); } else if ((rc & 3) == 1) { ov->sensor = SEN_OV6620; - info("Sensor is an OV6620"); + dev_info(&ov->dev->dev, "Sensor is an OV6620\n"); } else if ((rc & 3) == 2) { ov->sensor = SEN_OV6630; - info("Sensor is an OV6630AE"); + dev_info(&ov->dev->dev, "Sensor is an OV6630AE\n"); } else if ((rc & 3) == 3) { ov->sensor = SEN_OV6630; - info("Sensor is an OV6630AF"); + dev_info(&ov->dev->dev, "Sensor is an OV6630AF\n"); } /* Set sensor-specific vars */ @@ -5088,10 +5094,10 @@ ks0127_configure(struct usb_ov511 *ov) err("Error detecting sensor type"); return -1; } else if ((rc & 0x0f) == 0) { - info("Sensor is a KS0127"); + dev_info(&ov->dev->dev, "Sensor is a KS0127\n"); ov->sensor = SEN_KS0127; } else if ((rc & 0x0f) == 9) { - info("Sensor is a KS0127B Rev. A"); + dev_info(&ov->dev->dev, "Sensor is a KS0127B Rev. A\n"); ov->sensor = SEN_KS0127B; } } else { @@ -5200,7 +5206,8 @@ saa7111a_configure(struct usb_ov511 *ov) err("Error detecting sensor version"); return -1; } else { - info("Sensor is an SAA7111A (version 0x%x)", rc); + dev_info(&ov->dev->dev, + "Sensor is an SAA7111A (version 0x%x)\n", rc); ov->sensor = SEN_SAA7111A; } @@ -5262,7 +5269,7 @@ ov511_configure(struct usb_ov511 *ov) PDEBUG (1, "CustomID = %d", ov->customid); ov->desc = symbolic(camlist, ov->customid); - info("model: %s", ov->desc); + dev_info(&ov->dev->dev, "model: %s\n", ov->desc); if (0 == strcmp(ov->desc, NOT_DEFINED_STR)) { err("Camera type (%d) not recognized", ov->customid); @@ -5426,7 +5433,8 @@ ov518_configure(struct usb_ov511 *ov) PDEBUG(4, ""); /* First 5 bits of custom ID reg are a revision ID on OV518 */ - info("Device revision %d", 0x1F & reg_r(ov, R511_SYS_CUST_ID)); + dev_info(&ov->dev->dev, "Device revision %d\n", + 0x1F & reg_r(ov, R511_SYS_CUST_ID)); /* Give it the default description */ ov->desc = symbolic(camlist, 0); @@ -5773,7 +5781,8 @@ ov51x_probe(struct usb_interface *intf, const struct usb_device_id *id) goto error; } - info("USB %s video device found", symbolic(brglist, ov->bridge)); + dev_info(&intf->dev, "USB %s video device found\n", + symbolic(brglist, ov->bridge)); init_waitqueue_head(&ov->wq); @@ -5854,8 +5863,8 @@ ov51x_probe(struct usb_interface *intf, const struct usb_device_id *id) goto error; } - info("Device at %s registered to minor %d", ov->usb_path, - ov->vdev->minor); + dev_info(&intf->dev, "Device at %s registered to minor %d\n", + ov->usb_path, ov->vdev->minor); usb_set_intfdata(intf, ov); if (ov_create_sysfs(ov->vdev)) { @@ -5958,7 +5967,8 @@ usb_ov511_init(void) if (retval) goto out; - info(DRIVER_VERSION " : " DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); out: return retval; @@ -5968,8 +5978,7 @@ static void __exit usb_ov511_exit(void) { usb_deregister(&ov511_driver); - info("driver deregistered"); - + printk(KERN_INFO KBUILD_MODNAME ": driver deregistered\n"); } module_init(usb_ov511_init); diff --git a/drivers/media/video/ov511.h b/drivers/media/video/ov511.h index baded1262ca9..70d99e52329d 100644 --- a/drivers/media/video/ov511.h +++ b/drivers/media/video/ov511.h @@ -12,7 +12,8 @@ #ifdef OV511_DEBUG #define PDEBUG(level, fmt, args...) \ - if (debug >= (level)) info("[%s:%d] " fmt, \ + if (debug >= (level)) \ + printk(KERN_INFO KBUILD_MODNAME "[%s:%d] \n" fmt, \ __func__, __LINE__ , ## args) #else #define PDEBUG(level, fmt, args...) do {} while(0) diff --git a/drivers/media/video/pvrusb2/pvrusb2-main.c b/drivers/media/video/pvrusb2/pvrusb2-main.c index ad0d98c2ebb4..9b3c874d96d6 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-main.c +++ b/drivers/media/video/pvrusb2/pvrusb2-main.c @@ -137,9 +137,11 @@ static int __init pvr_init(void) ret = usb_register(&pvr_driver); if (ret == 0) - info(DRIVER_DESC " : " DRIVER_VERSION); - if (pvrusb2_debug) info("Debug mask is %d (0x%x)", - pvrusb2_debug,pvrusb2_debug); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + if (pvrusb2_debug) + printk(KERN_INFO KBUILD_MODNAME ": Debug mask is %d (0x%x)\n", + pvrusb2_debug,pvrusb2_debug); pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete"); diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index b01f25d72922..ae3949180c4e 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -288,7 +288,7 @@ static void se401_button_irq(struct urb *urb) int status; if (!se401->dev) { - info("ohoh: device vapourished"); + dev_info(&urb->dev->dev, "device vapourished\n"); return; } @@ -328,7 +328,7 @@ static void se401_video_irq(struct urb *urb) return; if (!se401->dev) { - info ("ohoh: device vapourished"); + dev_info(&urb->dev->dev, "device vapourished\n"); return; } @@ -375,7 +375,7 @@ static void se401_video_irq(struct urb *urb) urb->status=0; urb->dev=se401->dev; if(usb_submit_urb(urb, GFP_KERNEL)) - info("urb burned down"); + dev_info(&urb->dev->dev, "urb burned down\n"); return; } @@ -860,7 +860,8 @@ static int se401_newframe(struct usb_se401 *se401, int framenr) ); if (se401->nullpackets > SE401_MAX_NULLPACKETS) { se401->nullpackets=0; - info("to many null length packets, restarting capture"); + dev_info(&se401->dev->dev, + "too many null length packets, restarting capture\n"); se401_stop_stream(se401); se401_start_stream(se401); } else { @@ -880,7 +881,8 @@ static int se401_newframe(struct usb_se401 *se401, int framenr) se401->scratch_use=0; if (errors > SE401_MAX_ERRORS) { errors=0; - info("to much errors, restarting capture"); + dev_info(&se401->dev->dev, + "too many errors, restarting capture\n"); se401_stop_stream(se401); se401_start_stream(se401); } @@ -913,7 +915,7 @@ static void usb_se401_remove_disconnected (struct usb_se401 *se401) usb_kill_urb(se401->inturb); usb_free_urb(se401->inturb); } - info("%s disconnected", se401->camera_name); + dev_info(&se401->dev->dev, "%s disconnected", se401->camera_name); /* Free the memory */ kfree(se401->width); @@ -960,8 +962,8 @@ static int se401_close(struct inode *inode, struct file *file) rvfree(se401->fbuf, se401->maxframesize * SE401_NUMFRAMES); if (se401->removed) { + dev_info(&se401->dev->dev, "device unregistered\n"); usb_se401_remove_disconnected(se401); - info("device unregistered"); } else { for (i=0; iframe[i].grabstate=FRAME_UNUSED; @@ -1276,7 +1278,7 @@ static int se401_init(struct usb_se401 *se401, int button) for (i=0; isizes; i++) { sprintf(temp, "%s %dx%d", temp, se401->width[i], se401->height[i]); } - info("%s", temp); + dev_info(&se401->dev->dev, "%s\n", temp); se401->maxframesize=se401->width[se401->sizes-1]*se401->height[se401->sizes-1]*3; rc=se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp)); @@ -1310,7 +1312,8 @@ static int se401_init(struct usb_se401 *se401, int button) if (button) { se401->inturb=usb_alloc_urb(0, GFP_KERNEL); if (!se401->inturb) { - info("Allocation of inturb failed"); + dev_info(&se401->dev->dev, + "Allocation of inturb failed\n"); return 1; } usb_fill_int_urb(se401->inturb, se401->dev, @@ -1321,7 +1324,7 @@ static int se401_init(struct usb_se401 *se401, int button) 8 ); if (usb_submit_urb(se401->inturb, GFP_KERNEL)) { - info("int urb burned down"); + dev_info(&se401->dev->dev, "int urb burned down\n"); return 1; } } else @@ -1378,7 +1381,7 @@ static int se401_probe(struct usb_interface *intf, return -ENODEV; /* We found one */ - info("SE401 camera found: %s", camera_name); + dev_info(&intf->dev, "SE401 camera found: %s\n", camera_name); if ((se401 = kzalloc(sizeof(*se401), GFP_KERNEL)) == NULL) { err("couldn't kmalloc se401 struct"); @@ -1389,7 +1392,8 @@ static int se401_probe(struct usb_interface *intf, se401->iface = interface->bInterfaceNumber; se401->camera_name = camera_name; - info("firmware version: %02x", le16_to_cpu(dev->descriptor.bcdDevice) & 255); + dev_info(&intf->dev, "firmware version: %02x\n", + le16_to_cpu(dev->descriptor.bcdDevice) & 255); if (se401_init(se401, button)) { kfree(se401); @@ -1407,7 +1411,8 @@ static int se401_probe(struct usb_interface *intf, err("video_register_device failed"); return -EIO; } - info("registered new video device: video%d", se401->vdev.minor); + dev_info(&intf->dev, "registered new video device: video%d\n", + se401->vdev.minor); usb_set_intfdata (intf, se401); return 0; @@ -1451,10 +1456,10 @@ static struct usb_driver se401_driver = { static int __init usb_se401_init(void) { - info("SE401 usb camera driver version %s registering", version); + printk(KERN_INFO "SE401 usb camera driver version %s registering\n", version); if (flickerless) if (flickerless!=50 && flickerless!=60) { - info("Invallid flickerless value, use 0, 50 or 60."); + printk(KERN_ERR "Invallid flickerless value, use 0, 50 or 60.\n"); return -1; } return usb_register(&se401_driver); @@ -1463,7 +1468,7 @@ static int __init usb_se401_init(void) static void __exit usb_se401_exit(void) { usb_deregister(&se401_driver); - info("SE401 driver deregistered"); + printk(KERN_INFO "SE401 driver deregistered\frame"); } module_init(usb_se401_init); diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c index b21a8d6827c4..9c549d935994 100644 --- a/drivers/media/video/stv680.c +++ b/drivers/media/video/stv680.c @@ -84,7 +84,8 @@ static unsigned int debug; #define PDEBUG(level, fmt, args...) \ do { \ if (debug >= level) \ - info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \ + printk(KERN_INFO KBUILD_MODNAME " [%s:%d] \n" fmt, \ + __func__, __LINE__ , ## args); \ } while (0) @@ -1552,7 +1553,8 @@ static int __init usb_stv680_init (void) } PDEBUG (0, "STV(i): usb camera driver version %s registering", DRIVER_VERSION); - info(DRIVER_DESC " " DRIVER_VERSION); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return 0; } diff --git a/drivers/media/video/usbvideo/ibmcam.c b/drivers/media/video/usbvideo/ibmcam.c index cc27efe121dd..28421d386f1e 100644 --- a/drivers/media/video/usbvideo/ibmcam.c +++ b/drivers/media/video/usbvideo/ibmcam.c @@ -258,7 +258,9 @@ static enum ParseState ibmcam_find_header(struct uvd *uvd) /* FIXME: Add frame h (RING_QUEUE_PEEK(&uvd->dp, 2) == 0x00)) { #if 0 /* This code helps to detect new frame markers */ - info("Header sig: 00 FF 00 %02X", RING_QUEUE_PEEK(&uvd->dp, 3)); + dev_info(&uvd->dev->dev, + "Header sig: 00 FF 00 %02X\n", + RING_QUEUE_PEEK(&uvd->dp, 3)); #endif frame->header = RING_QUEUE_PEEK(&uvd->dp, 3); if ((frame->header == HDRSIG_MODEL1_128x96) || @@ -266,7 +268,8 @@ static enum ParseState ibmcam_find_header(struct uvd *uvd) /* FIXME: Add frame h (frame->header == HDRSIG_MODEL1_352x288)) { #if 0 - info("Header found."); + dev_info(&uvd->dev->dev, + "Header found.\n"); #endif RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, marker_len); icam->has_hdr = 1; @@ -295,7 +298,7 @@ case IBMCAM_MODEL_4: (RING_QUEUE_PEEK(&uvd->dp, 1) == 0xFF)) { #if 0 - info("Header found."); + dev_info(&uvd->dev->dev, "Header found.\n"); #endif RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, marker_len); icam->has_hdr = 1; @@ -338,7 +341,7 @@ case IBMCAM_MODEL_4: byte4 = RING_QUEUE_PEEK(&uvd->dp, 3); frame->header = (byte3 << 8) | byte4; #if 0 - info("Header found."); + dev_info(&uvd->dev->dev, "Header found.\n"); #endif RING_QUEUE_DEQUEUE_BYTES(&uvd->dp, marker_len); icam->has_hdr = 1; @@ -354,7 +357,8 @@ case IBMCAM_MODEL_4: } if (!icam->has_hdr) { if (uvd->debug > 2) - info("Skipping frame, no header"); + dev_info(&uvd->dev->dev, + "Skipping frame, no header\n"); return scan_EndParse; } @@ -881,7 +885,9 @@ static enum ParseState ibmcam_model3_parse_lines( */ if ((frame->curline + 1) >= data_h) { if (uvd->debug >= 3) - info("Reached line %d. (frame is done)", frame->curline); + dev_info(&uvd->dev->dev, + "Reached line %d. (frame is done)\n", + frame->curline); return scan_NextFrame; } @@ -954,8 +960,9 @@ static enum ParseState ibmcam_model3_parse_lines( if (frame->curline >= VIDEOSIZE_Y(frame->request)) { if (uvd->debug >= 3) { - info("All requested lines (%ld.) done.", - VIDEOSIZE_Y(frame->request)); + dev_info(&uvd->dev->dev, + "All requested lines (%ld.) done.\n", + VIDEOSIZE_Y(frame->request)); } return scan_NextFrame; } else @@ -1000,7 +1007,9 @@ static enum ParseState ibmcam_model4_128x96_parse_lines( */ if ((frame->curline + 1) >= data_h) { if (uvd->debug >= 3) - info("Reached line %d. (frame is done)", frame->curline); + dev_info(&uvd->dev->dev, + "Reached line %d. (frame is done)\n", + frame->curline); return scan_NextFrame; } @@ -1049,8 +1058,9 @@ static enum ParseState ibmcam_model4_128x96_parse_lines( if (frame->curline >= VIDEOSIZE_Y(frame->request)) { if (uvd->debug >= 3) { - info("All requested lines (%ld.) done.", - VIDEOSIZE_Y(frame->request)); + dev_info(&uvd->dev->dev, + "All requested lines (%ld.) done.\n", + VIDEOSIZE_Y(frame->request)); } return scan_NextFrame; } else @@ -1171,10 +1181,11 @@ static int ibmcam_veio( sizeof(cp), 1000); #if 0 - info("USB => %02x%02x%02x%02x%02x%02x%02x%02x " - "(req=$%02x val=$%04x ind=$%04x)", - cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7], - req, value, index); + dev_info(&uvd->dev->dev, + "USB => %02x%02x%02x%02x%02x%02x%02x%02x " + "(req=$%02x val=$%04x ind=$%04x)\n", + cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7], + req, value, index); #endif } else { i = usb_control_msg( @@ -1449,10 +1460,9 @@ static void ibmcam_adjust_contrast(struct uvd *uvd) */ static void ibmcam_change_lighting_conditions(struct uvd *uvd) { - static const char proc[] = "ibmcam_change_lighting_conditions"; - if (debug > 0) - info("%s: Set lighting to %hu.", proc, lighting); + dev_info(&uvd->dev->dev, + "%s: Set lighting to %hu.\n", __func__, lighting); switch (IBMCAM_T(uvd)->camera_model) { case IBMCAM_MODEL_1: @@ -1495,8 +1505,6 @@ static void ibmcam_change_lighting_conditions(struct uvd *uvd) */ static void ibmcam_set_sharpness(struct uvd *uvd) { - static const char proc[] = "ibmcam_set_sharpness"; - switch (IBMCAM_T(uvd)->camera_model) { case IBMCAM_MODEL_1: { @@ -1505,7 +1513,8 @@ static void ibmcam_set_sharpness(struct uvd *uvd) RESTRICT_TO_RANGE(sharpness, SHARPNESS_MIN, SHARPNESS_MAX); if (debug > 0) - info("%s: Set sharpness to %hu.", proc, sharpness); + dev_info(&uvd->dev->dev, "%s: Set sharpness to %hu.\n", + __func__, sharpness); sv = sa[sharpness - SHARPNESS_MIN]; for (i=0; i < 2; i++) { @@ -1564,11 +1573,11 @@ static void ibmcam_set_sharpness(struct uvd *uvd) */ static void ibmcam_set_brightness(struct uvd *uvd) { - static const char proc[] = "ibmcam_set_brightness"; static const unsigned short n = 1; if (debug > 0) - info("%s: Set brightness to %hu.", proc, uvd->vpic.brightness); + dev_info(&uvd->dev->dev, "%s: Set brightness to %hu.\n", + __func__, uvd->vpic.brightness); switch (IBMCAM_T(uvd)->camera_model) { case IBMCAM_MODEL_1: @@ -2115,7 +2124,8 @@ static void ibmcam_model2_setup_after_video_if(struct uvd *uvd) break; } if (uvd->debug > 0) - info("Framerate (hardware): %hd.", hw_fps); + dev_info(&uvd->dev->dev, "Framerate (hardware): %hd.\n", + hw_fps); RESTRICT_TO_RANGE(hw_fps, 0, 31); ibmcam_model2_Packet1(uvd, mod2_set_framerate, hw_fps); } @@ -3487,7 +3497,7 @@ static void ibmcam_model3_setup_after_video_if(struct uvd *uvd) /* 01.01.08 - Added for RCA video in support -LO */ if(init_model3_input) { if (debug > 0) - info("Setting input to RCA."); + dev_info(&uvd->dev->dev, "Setting input to RCA.\n"); for (i=0; i < ARRAY_SIZE(initData); i++) { ibmcam_veio(uvd, initData[i].req, initData[i].value, initData[i].index); } @@ -3685,7 +3695,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * unsigned char video_ep = 0; if (debug >= 1) - info("ibmcam_probe(%p,%u.)", intf, ifnum); + dev_info(&uvd->dev->dev, "ibmcam_probe(%p,%u.)\n", intf, ifnum); /* We don't handle multi-config cameras */ if (dev->descriptor.bNumConfigurations != 1) @@ -3736,14 +3746,16 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * brand = "IBM PC Camera"; /* a.k.a. Xirlink C-It */ break; } - info("%s USB camera found (model %d, rev. 0x%04x)", - brand, model, le16_to_cpu(dev->descriptor.bcdDevice)); + dev_info(&uvd->dev->dev, + "%s USB camera found (model %d, rev. 0x%04x)\n", + brand, model, le16_to_cpu(dev->descriptor.bcdDevice)); } while (0); /* Validate found interface: must have one ISO endpoint */ nas = intf->num_altsetting; if (debug > 0) - info("Number of alternate settings=%d.", nas); + dev_info(&uvd->dev->dev, "Number of alternate settings=%d.\n", + nas); if (nas < 2) { err("Too few alternate settings for this camera!"); return -ENODEV; @@ -3787,7 +3799,9 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) - info("Active setting=%d. maxPS=%d.", i, maxPS); + dev_info(&uvd->dev->dev, + "Active setting=%d. " + "maxPS=%d.\n", i, maxPS); } else err("More than one active alt. setting! Ignoring #%d.", i); } @@ -3826,7 +3840,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * RESTRICT_TO_RANGE(framerate, 0, 5); break; default: - info("IBM camera: using 320x240"); + dev_info(&uvd->dev->dev, "IBM camera: using 320x240\n"); size = SIZE_320x240; /* No break here */ case SIZE_320x240: @@ -3855,7 +3869,7 @@ static int ibmcam_probe(struct usb_interface *intf, const struct usb_device_id * canvasY = 120; break; default: - info("IBM NetCamera: using 176x144"); + dev_info(&uvd->dev->dev, "IBM NetCamera: using 176x144\n"); size = SIZE_176x144; /* No break here */ case SIZE_176x144: diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c index 1c180284ec6c..e986c28b7bb0 100644 --- a/drivers/media/video/usbvideo/konicawc.c +++ b/drivers/media/video/usbvideo/konicawc.c @@ -337,7 +337,8 @@ static int konicawc_compress_iso(struct uvd *uvd, struct urb *dataurb, struct ur } if((sts > 0x01) && (sts < 0x80)) { - info("unknown status %2.2x", sts); + dev_info(&uvd->dev->dev, "unknown status %2.2x\n", + sts); bad++; continue; } @@ -568,8 +569,12 @@ static void konicawc_process_isoc(struct uvd *uvd, struct usbvideo_frame *frame) fdrops = (0x80 + curframe - cam->lastframe) & 0x7F; fdrops--; if(fdrops) { - info("Dropped %d frames (%d -> %d)", fdrops, - cam->lastframe, curframe); + dev_info(&uvd->dev->dev, + "Dropped %d frames " + "(%d -> %d)\n", + fdrops, + cam->lastframe, + curframe); } } cam->lastframe = curframe; @@ -784,7 +789,8 @@ static int konicawc_probe(struct usb_interface *intf, const struct usb_device_id if (dev->descriptor.bNumConfigurations != 1) return -ENODEV; - info("Konica Webcam (rev. 0x%04x)", le16_to_cpu(dev->descriptor.bcdDevice)); + dev_info(&intf->dev, "Konica Webcam (rev. 0x%04x)\n", + le16_to_cpu(dev->descriptor.bcdDevice)); RESTRICT_TO_RANGE(speed, 0, MAX_SPEED); /* Validate found interface: must have one ISO endpoint */ @@ -925,7 +931,8 @@ static struct usb_device_id id_table[] = { static int __init konicawc_init(void) { struct usbvideo_cb cbTbl; - info(DRIVER_DESC " " DRIVER_VERSION); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); memset(&cbTbl, 0, sizeof(cbTbl)); cbTbl.probe = konicawc_probe; cbTbl.setupOnOpen = konicawc_setup_on_open; diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c index 3d26a30abe1e..05c61b523115 100644 --- a/drivers/media/video/usbvideo/quickcam_messenger.c +++ b/drivers/media/video/usbvideo/quickcam_messenger.c @@ -1080,7 +1080,8 @@ static struct usbvideo_cb qcm_driver = { static int __init qcm_init(void) { - info(DRIVER_DESC " " DRIVER_VERSION); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return usbvideo_register( &cams, diff --git a/drivers/media/video/usbvideo/ultracam.c b/drivers/media/video/usbvideo/ultracam.c index 9544e644bf0d..9714baab7833 100644 --- a/drivers/media/video/usbvideo/ultracam.c +++ b/drivers/media/video/usbvideo/ultracam.c @@ -156,10 +156,11 @@ static int ultracam_veio( sizeof(cp), 1000); #if 1 - info("USB => %02x%02x%02x%02x%02x%02x%02x%02x " - "(req=$%02x val=$%04x ind=$%04x)", - cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7], - req, value, index); + dev_info(&uvd->dev->dev, + "USB => %02x%02x%02x%02x%02x%02x%02x%02x " + "(req=$%02x val=$%04x ind=$%04x)\n", + cp[0],cp[1],cp[2],cp[3],cp[4],cp[5],cp[6],cp[7], + req, value, index); #endif } else { i = usb_control_msg( @@ -517,19 +518,20 @@ static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id unsigned char video_ep = 0; if (debug >= 1) - info("ultracam_probe(%p)", intf); + dev_info(&intf->dev, "ultracam_probe\n"); /* We don't handle multi-config cameras */ if (dev->descriptor.bNumConfigurations != 1) return -ENODEV; - info("IBM Ultra camera found (rev. 0x%04x)", - le16_to_cpu(dev->descriptor.bcdDevice)); + dev_info(&intf->dev, "IBM Ultra camera found (rev. 0x%04x)\n", + le16_to_cpu(dev->descriptor.bcdDevice)); /* Validate found interface: must have one ISO endpoint */ nas = intf->num_altsetting; if (debug > 0) - info("Number of alternate settings=%d.", nas); + dev_info(&intf->dev, "Number of alternate settings=%d.\n", + nas); if (nas < 8) { err("Too few alternate settings for this camera!"); return -ENODEV; @@ -576,7 +578,9 @@ static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) - info("Active setting=%d. maxPS=%d.", i, maxPS); + dev_info(&intf->dev, + "Active setting=%d. " + "maxPS=%d.\n", i, maxPS); } else { /* Got another active alt. setting */ if (maxPS < le16_to_cpu(endpoint->wMaxPacketSize)) { @@ -584,8 +588,11 @@ static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id actInterface = i; maxPS = le16_to_cpu(endpoint->wMaxPacketSize); if (debug > 0) { - info("Even better ctive setting=%d. maxPS=%d.", - i, maxPS); + dev_info(&intf->dev, + "Even better ctive " + "setting=%d. " + "maxPS=%d.\n", + i, maxPS); } } } diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c index 9569e8ced4b4..07cd87d16f69 100644 --- a/drivers/media/video/usbvideo/usbvideo.c +++ b/drivers/media/video/usbvideo/usbvideo.c @@ -468,8 +468,9 @@ static void usbvideo_ReportStatistics(const struct uvd *uvd) percent = (100 * goodPackets) / allPackets; else percent = goodPackets / (allPackets / 100); - info("Packet Statistics: Total=%lu. Empty=%lu. Usage=%lu%%", - allPackets, badPackets, percent); + dev_info(&uvd->dev->dev, + "Packet Statistics: Total=%lu. Empty=%lu. Usage=%lu%%\n", + allPackets, badPackets, percent); if (uvd->iso_packet_len > 0) { unsigned long allBytes, xferBytes; char multiplier = ' '; @@ -497,8 +498,9 @@ static void usbvideo_ReportStatistics(const struct uvd *uvd) } } } - info("Transfer Statistics: Transferred=%lu%cB Usage=%lu%%", - xferBytes, multiplier, percent); + dev_info(&uvd->dev->dev, + "Transfer Statistics: Transferred=%lu%cB Usage=%lu%%\n", + xferBytes, multiplier, percent); } } } @@ -545,7 +547,7 @@ void usbvideo_TestPattern(struct uvd *uvd, int fullframe, int pmode) { /* For debugging purposes only */ char tmp[20]; usbvideo_VideosizeToString(tmp, sizeof(tmp), frame->request); - info("testpattern: frame=%s", tmp); + dev_info(&uvd->dev->dev, "testpattern: frame=%s\n", tmp); } #endif /* Form every scan line */ @@ -854,7 +856,7 @@ static void usbvideo_Disconnect(struct usb_interface *intf) usbvideo_ClientIncModCount(uvd); if (uvd->debug > 0) - info("%s(%p.)", __func__, intf); + dev_info(&intf->dev, "%s(%p.)\n", __func__, intf); mutex_lock(&uvd->lock); uvd->remove_pending = 1; /* Now all ISO data will be ignored */ @@ -870,14 +872,15 @@ static void usbvideo_Disconnect(struct usb_interface *intf) video_unregister_device(&uvd->vdev); if (uvd->debug > 0) - info("%s: Video unregistered.", __func__); + dev_info(&intf->dev, "%s: Video unregistered.\n", __func__); if (uvd->user) - info("%s: In use, disconnect pending.", __func__); + dev_info(&intf->dev, "%s: In use, disconnect pending.\n", + __func__); else usbvideo_CameraRelease(uvd); mutex_unlock(&uvd->lock); - info("USB camera disconnected."); + dev_info(&intf->dev, "USB camera disconnected.\n"); usbvideo_ClientDecModCount(uvd); } @@ -1015,14 +1018,17 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) return -EINVAL; } if (uvd->video_endp == 0) { - info("%s: No video endpoint specified; data pump disabled.", __func__); + dev_info(&uvd->dev->dev, + "%s: No video endpoint specified; data pump disabled.\n", + __func__); } if (uvd->paletteBits == 0) { err("%s: No palettes specified!", __func__); return -EINVAL; } if (uvd->defaultPalette == 0) { - info("%s: No default palette!", __func__); + dev_info(&uvd->dev->dev, "%s: No default palette!\n", + __func__); } uvd->max_frame_size = VIDEOSIZE_X(uvd->canvas) * @@ -1031,8 +1037,10 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) usbvideo_VideosizeToString(tmp2, sizeof(tmp2), uvd->canvas); if (uvd->debug > 0) { - info("%s: iface=%d. endpoint=$%02x paletteBits=$%08lx", - __func__, uvd->iface, uvd->video_endp, uvd->paletteBits); + dev_info(&uvd->dev->dev, + "%s: iface=%d. endpoint=$%02x paletteBits=$%08lx\n", + __func__, uvd->iface, uvd->video_endp, + uvd->paletteBits); } if (uvd->dev == NULL) { err("%s: uvd->dev == NULL", __func__); @@ -1045,12 +1053,13 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd) return -EPIPE; } if (uvd->debug > 1) { - info("%s: video_register_device() successful", __func__); + dev_info(&uvd->dev->dev, + "%s: video_register_device() successful\n", __func__); } - info("%s on /dev/video%d: canvas=%s videosize=%s", - (uvd->handle != NULL) ? uvd->handle->drvName : "???", - uvd->vdev.minor, tmp2, tmp1); + dev_info(&uvd->dev->dev, "%s on /dev/video%d: canvas=%s videosize=%s\n", + (uvd->handle != NULL) ? uvd->handle->drvName : "???", + uvd->vdev.minor, tmp2, tmp1); usb_get_dev(uvd->dev); return 0; @@ -1112,7 +1121,7 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file) int i, errCode = 0; if (uvd->debug > 1) - info("%s($%p)", __func__, dev); + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev); if (0 < usbvideo_ClientIncModCount(uvd)) return -ENODEV; @@ -1179,19 +1188,25 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file) if (errCode == 0) { if (VALID_CALLBACK(uvd, setupOnOpen)) { if (uvd->debug > 1) - info("%s: setupOnOpen callback", __func__); + dev_info(&uvd->dev->dev, + "%s: setupOnOpen callback\n", + __func__); errCode = GET_CALLBACK(uvd, setupOnOpen)(uvd); if (errCode < 0) { err("%s: setupOnOpen callback failed (%d.).", __func__, errCode); } else if (uvd->debug > 1) { - info("%s: setupOnOpen callback successful", __func__); + dev_info(&uvd->dev->dev, + "%s: setupOnOpen callback successful\n", + __func__); } } if (errCode == 0) { uvd->settingsAdjusted = 0; if (uvd->debug > 1) - info("%s: Open succeeded.", __func__); + dev_info(&uvd->dev->dev, + "%s: Open succeeded.\n", + __func__); uvd->user++; file->private_data = uvd; } @@ -1201,7 +1216,8 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file) if (errCode != 0) usbvideo_ClientDecModCount(uvd); if (uvd->debug > 0) - info("%s: Returning %d.", __func__, errCode); + dev_info(&uvd->dev->dev, "%s: Returning %d.\n", __func__, + errCode); return errCode; } @@ -1224,7 +1240,7 @@ static int usbvideo_v4l_close(struct inode *inode, struct file *file) int i; if (uvd->debug > 1) - info("%s($%p)", __func__, dev); + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev); mutex_lock(&uvd->lock); GET_CALLBACK(uvd, stopDataPump)(uvd); @@ -1244,14 +1260,15 @@ static int usbvideo_v4l_close(struct inode *inode, struct file *file) uvd->user--; if (uvd->remove_pending) { if (uvd->debug > 0) - info("usbvideo_v4l_close: Final disconnect."); + dev_info(&uvd->dev->dev, "%s: Final disconnect.\n", + __func__); usbvideo_CameraRelease(uvd); } mutex_unlock(&uvd->lock); usbvideo_ClientDecModCount(uvd); if (uvd->debug > 1) - info("%s: Completed.", __func__); + dev_info(&uvd->dev->dev, "%s: Completed.\n", __func__); file->private_data = NULL; return 0; } @@ -1365,8 +1382,9 @@ static int usbvideo_v4l_do_ioctl(struct inode *inode, struct file *file, struct video_mmap *vm = arg; if (uvd->debug >= 1) { - info("VIDIOCMCAPTURE: frame=%d. size=%dx%d, format=%d.", - vm->frame, vm->width, vm->height, vm->format); + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: frame=%d. size=%dx%d, format=%d.\n", + vm->frame, vm->width, vm->height, vm->format); } /* * Check if the requested size is supported. If the requestor @@ -1384,18 +1402,24 @@ static int usbvideo_v4l_do_ioctl(struct inode *inode, struct file *file, if ((vm->width > VIDEOSIZE_X(uvd->canvas)) || (vm->height > VIDEOSIZE_Y(uvd->canvas))) { if (uvd->debug > 0) { - info("VIDIOCMCAPTURE: Size=%dx%d too large; " - "allowed only up to %ldx%ld", vm->width, vm->height, - VIDEOSIZE_X(uvd->canvas), VIDEOSIZE_Y(uvd->canvas)); + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: Size=%dx%d " + "too large; allowed only up " + "to %ldx%ld\n", vm->width, + vm->height, + VIDEOSIZE_X(uvd->canvas), + VIDEOSIZE_Y(uvd->canvas)); } return -EINVAL; } /* Check if the palette is supported */ if (((1L << vm->format) & uvd->paletteBits) == 0) { if (uvd->debug > 0) { - info("VIDIOCMCAPTURE: format=%d. not supported" - " (paletteBits=$%08lx)", - vm->format, uvd->paletteBits); + dev_info(&uvd->dev->dev, + "VIDIOCMCAPTURE: format=%d. " + "not supported " + "(paletteBits=$%08lx)\n", + vm->format, uvd->paletteBits); } return -EINVAL; } @@ -1423,7 +1447,9 @@ static int usbvideo_v4l_do_ioctl(struct inode *inode, struct file *file, return -EINVAL; if (uvd->debug >= 1) - info("VIDIOCSYNC: syncing to frame %d.", *frameNum); + dev_info(&uvd->dev->dev, + "VIDIOCSYNC: syncing to frame %d.\n", + *frameNum); if (uvd->flags & FLAGS_NO_DECODING) ret = usbvideo_GetFrame(uvd, *frameNum); else if (VALID_CALLBACK(uvd, getFrame)) { @@ -1505,7 +1531,9 @@ static ssize_t usbvideo_v4l_read(struct file *file, char __user *buf, return -EFAULT; if (uvd->debug >= 1) - info("%s: %Zd. bytes, noblock=%d.", __func__, count, noblock); + dev_info(&uvd->dev->dev, + "%s: %Zd. bytes, noblock=%d.\n", + __func__, count, noblock); mutex_lock(&uvd->lock); @@ -1686,18 +1714,21 @@ static void usbvideo_IsocIrq(struct urb *urb) return; #if 0 if (urb->actual_length > 0) { - info("urb=$%p status=%d. errcount=%d. length=%d.", - urb, urb->status, urb->error_count, urb->actual_length); + dev_info(&uvd->dev->dev, + "urb=$%p status=%d. errcount=%d. length=%d.\n", + urb, urb->status, urb->error_count, + urb->actual_length); } else { static int c = 0; if (c++ % 100 == 0) - info("No Isoc data"); + dev_info(&uvd->dev->dev, "No Isoc data\n"); } #endif if (!uvd->streaming) { if (uvd->debug >= 1) - info("Not streaming, but interrupt!"); + dev_info(&uvd->dev->dev, + "Not streaming, but interrupt!\n"); return; } @@ -1742,7 +1773,7 @@ static int usbvideo_StartDataPump(struct uvd *uvd) int i, errFlag; if (uvd->debug > 1) - info("%s($%p)", __func__, uvd); + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, uvd); if (!CAMERA_IS_OPERATIONAL(uvd)) { err("%s: Camera is not operational", __func__); @@ -1790,7 +1821,9 @@ static int usbvideo_StartDataPump(struct uvd *uvd) uvd->streaming = 1; if (uvd->debug > 1) - info("%s: streaming=1 video_endp=$%02x", __func__, uvd->video_endp); + dev_info(&uvd->dev->dev, + "%s: streaming=1 video_endp=$%02x\n", __func__, + uvd->video_endp); return 0; } @@ -1812,14 +1845,14 @@ static void usbvideo_StopDataPump(struct uvd *uvd) return; if (uvd->debug > 1) - info("%s($%p)", __func__, uvd); + dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, uvd); /* Unschedule all of the iso td's */ for (i=0; i < USBVIDEO_NUMSBUF; i++) { usb_kill_urb(uvd->sbuf[i].urb); } if (uvd->debug > 1) - info("%s: streaming=0", __func__); + dev_info(&uvd->dev->dev, "%s: streaming=0\n", __func__); uvd->streaming = 0; if (!uvd->remove_pending) { @@ -1851,7 +1884,8 @@ static int usbvideo_NewFrame(struct uvd *uvd, int framenum) int n; if (uvd->debug > 1) - info("usbvideo_NewFrame($%p,%d.)", uvd, framenum); + dev_info(&uvd->dev->dev, "usbvideo_NewFrame($%p,%d.)\n", uvd, + framenum); /* If we're not grabbing a frame right now and the other frame is */ /* ready to be grabbed into, then use it instead */ @@ -1956,12 +1990,14 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) struct usbvideo_frame *frame = &uvd->frame[frameNum]; if (uvd->debug >= 2) - info("%s($%p,%d.)", __func__, uvd, frameNum); + dev_info(&uvd->dev->dev, "%s($%p,%d.)\n", __func__, uvd, + frameNum); switch (frame->frameState) { case FrameState_Unused: if (uvd->debug >= 2) - info("%s: FrameState_Unused", __func__); + dev_info(&uvd->dev->dev, "%s: FrameState_Unused\n", + __func__); return -EINVAL; case FrameState_Ready: case FrameState_Grabbing: @@ -1971,7 +2007,9 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) redo: if (!CAMERA_IS_OPERATIONAL(uvd)) { if (uvd->debug >= 2) - info("%s: Camera is not operational (1)", __func__); + dev_info(&uvd->dev->dev, + "%s: Camera is not operational (1)\n", + __func__); return -EIO; } ntries = 0; @@ -1980,24 +2018,33 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) signalPending = signal_pending(current); if (!CAMERA_IS_OPERATIONAL(uvd)) { if (uvd->debug >= 2) - info("%s: Camera is not operational (2)", __func__); + dev_info(&uvd->dev->dev, + "%s: Camera is not " + "operational (2)\n", __func__); return -EIO; } assert(uvd->fbuf != NULL); if (signalPending) { if (uvd->debug >= 2) - info("%s: Signal=$%08x", __func__, signalPending); + dev_info(&uvd->dev->dev, + "%s: Signal=$%08x\n", __func__, + signalPending); if (uvd->flags & FLAGS_RETRY_VIDIOCSYNC) { usbvideo_TestPattern(uvd, 1, 0); uvd->curframe = -1; uvd->stats.frame_num++; if (uvd->debug >= 2) - info("%s: Forced test pattern screen", __func__); + dev_info(&uvd->dev->dev, + "%s: Forced test " + "pattern screen\n", + __func__); return 0; } else { /* Standard answer: Interrupted! */ if (uvd->debug >= 2) - info("%s: Interrupted!", __func__); + dev_info(&uvd->dev->dev, + "%s: Interrupted!\n", + __func__); return -EINTR; } } else { @@ -2011,8 +2058,10 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) } } while (frame->frameState == FrameState_Grabbing); if (uvd->debug >= 2) { - info("%s: Grabbing done; state=%d. (%lu. bytes)", - __func__, frame->frameState, frame->seqRead_Length); + dev_info(&uvd->dev->dev, + "%s: Grabbing done; state=%d. (%lu. bytes)\n", + __func__, frame->frameState, + frame->seqRead_Length); } if (frame->frameState == FrameState_Error) { int ret = usbvideo_NewFrame(uvd, frameNum); @@ -2049,7 +2098,9 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) } frame->frameState = FrameState_Done_Hold; if (uvd->debug >= 2) - info("%s: Entered FrameState_Done_Hold state.", __func__); + dev_info(&uvd->dev->dev, + "%s: Entered FrameState_Done_Hold state.\n", + __func__); return 0; case FrameState_Done_Hold: @@ -2060,7 +2111,9 @@ static int usbvideo_GetFrame(struct uvd *uvd, int frameNum) * it will be released back into the wild to roam freely. */ if (uvd->debug >= 2) - info("%s: FrameState_Done_Hold state.", __func__); + dev_info(&uvd->dev->dev, + "%s: FrameState_Done_Hold state.\n", + __func__); return 0; } diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index c317ed7a8482..b26b563a0b0a 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -84,7 +84,8 @@ MODULE_PARM_DESC(adjust_Y_Offset, "adjust Y offset display [core]"); #ifdef USBVISION_DEBUG #define PDEBUG(level, fmt, args...) { \ if (core_debug & (level)) \ - info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \ + printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \ + __func__, __LINE__ , ## args); \ } #else #define PDEBUG(level, fmt, args...) do {} while(0) diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c index a6d00858b07e..92427fdc1459 100644 --- a/drivers/media/video/usbvision/usbvision-i2c.c +++ b/drivers/media/video/usbvision/usbvision-i2c.c @@ -47,7 +47,8 @@ MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); #define PDEBUG(level, fmt, args...) { \ if (i2c_debug & (level)) \ - info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \ + printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \ + __func__, __LINE__ , ## args); \ } static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf, diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index 782ee643601c..e10b256aeba4 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -98,7 +98,8 @@ USBVISION_DRIVER_VERSION_PATCHLEVEL) #ifdef USBVISION_DEBUG #define PDEBUG(level, fmt, args...) { \ if (video_debug & (level)) \ - info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \ + printk(KERN_INFO KBUILD_MODNAME ":[%s:%d] " fmt, \ + __func__, __LINE__ , ## args); \ } #else #define PDEBUG(level, fmt, args...) do {} while(0) diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c index 93991cb9ca71..7cdac99deea6 100644 --- a/drivers/media/video/zr364xx.c +++ b/drivers/media/video/zr364xx.c @@ -52,7 +52,7 @@ /* Debug macro */ -#define DBG(x...) if (debug) info(x) +#define DBG(x...) if (debug) printk(KERN_INFO KBUILD_MODNAME x) /* Init methods, need to find nicer names for these @@ -128,7 +128,7 @@ static int send_control_msg(struct usb_device *udev, u8 request, u16 value, unsigned char *transfer_buffer = kmalloc(size, GFP_KERNEL); if (!transfer_buffer) { - info("kmalloc(%d) failed", size); + dev_err(&udev->dev, "kmalloc(%d) failed\n", size); return -ENOMEM; } @@ -144,7 +144,8 @@ static int send_control_msg(struct usb_device *udev, u8 request, u16 value, kfree(transfer_buffer); if (status < 0) - info("Failed sending control message, error %d.", status); + dev_err(&udev->dev, + "Failed sending control message, error %d.\n", status); return status; } @@ -304,11 +305,11 @@ static int read_frame(struct zr364xx_camera *cam, int framenum) DBG("buffer : %d %d", cam->buffer[0], cam->buffer[1]); DBG("bulk : n=%d size=%d", n, actual_length); if (n < 0) { - info("error reading bulk msg"); + dev_err(&cam->udev->dev, "error reading bulk msg\n"); return 0; } if (actual_length < 0 || actual_length > BUFFER_SIZE) { - info("wrong number of bytes"); + dev_err(&cam->udev->dev, "wrong number of bytes\n"); return 0; } @@ -652,7 +653,7 @@ static int zr364xx_open(struct inode *inode, struct file *file) if (!cam->framebuf) { cam->framebuf = vmalloc_32(MAX_FRAME_SIZE * FRAMES); if (!cam->framebuf) { - info("vmalloc_32 failed!"); + dev_err(&cam->udev->dev, "vmalloc_32 failed!\n"); err = -ENOMEM; goto out; } @@ -664,7 +665,8 @@ static int zr364xx_open(struct inode *inode, struct file *file) 0, init[cam->method][i].bytes, init[cam->method][i].size); if (err < 0) { - info("error during open sequence: %d", i); + dev_err(&cam->udev->dev, + "error during open sequence: %d\n", i); goto out; } } @@ -712,7 +714,7 @@ static int zr364xx_release(struct inode *inode, struct file *file) 0, init[i][cam->method].bytes, init[cam->method][i].size); if (err < 0) { - info("error during release sequence"); + dev_err(&udev->dev, "error during release sequence\n"); goto out; } } @@ -808,13 +810,14 @@ static int zr364xx_probe(struct usb_interface *intf, DBG("probing..."); - info(DRIVER_DESC " compatible webcam plugged"); - info("model %04x:%04x detected", udev->descriptor.idVendor, - udev->descriptor.idProduct); + dev_info(&intf->dev, DRIVER_DESC " compatible webcam plugged\n"); + dev_info(&intf->dev, "model %04x:%04x detected\n", + le16_to_cpu(udev->descriptor.idVendor), + le16_to_cpu(udev->descriptor.idProduct)); cam = kzalloc(sizeof(struct zr364xx_camera), GFP_KERNEL); if (cam == NULL) { - info("cam: out of memory !"); + dev_err(&udev->dev, "cam: out of memory !\n"); return -ENOMEM; } /* save the init method used by this camera */ @@ -822,7 +825,7 @@ static int zr364xx_probe(struct usb_interface *intf, cam->vdev = video_device_alloc(); if (cam->vdev == NULL) { - info("cam->vdev: out of memory !"); + dev_err(&udev->dev, "cam->vdev: out of memory !\n"); kfree(cam); return -ENOMEM; } @@ -834,7 +837,7 @@ static int zr364xx_probe(struct usb_interface *intf, cam->udev = udev; if ((cam->buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL)) == NULL) { - info("cam->buffer: out of memory !"); + dev_info(&udev->dev, "cam->buffer: out of memory !\n"); video_device_release(cam->vdev); kfree(cam); return -ENODEV; @@ -842,17 +845,17 @@ static int zr364xx_probe(struct usb_interface *intf, switch (mode) { case 1: - info("160x120 mode selected"); + dev_info(&udev->dev, "160x120 mode selected\n"); cam->width = 160; cam->height = 120; break; case 2: - info("640x480 mode selected"); + dev_info(&udev->dev, "640x480 mode selected\n"); cam->width = 640; cam->height = 480; break; default: - info("320x240 mode selected"); + dev_info(&udev->dev, "320x240 mode selected\n"); cam->width = 320; cam->height = 240; break; @@ -872,7 +875,7 @@ static int zr364xx_probe(struct usb_interface *intf, err = video_register_device(cam->vdev, VFL_TYPE_GRABBER, -1); if (err) { - info("video_register_device failed"); + dev_err(&udev->dev, "video_register_device failed\n"); video_device_release(cam->vdev); kfree(cam->buffer); kfree(cam); @@ -881,7 +884,8 @@ static int zr364xx_probe(struct usb_interface *intf, usb_set_intfdata(intf, cam); - info(DRIVER_DESC " controlling video device %d", cam->vdev->minor); + dev_info(&udev->dev, DRIVER_DESC " controlling video device %d\n", + cam->vdev->minor); return 0; } @@ -891,7 +895,7 @@ static void zr364xx_disconnect(struct usb_interface *intf) struct zr364xx_camera *cam = usb_get_intfdata(intf); usb_set_intfdata(intf, NULL); dev_set_drvdata(&intf->dev, NULL); - info(DRIVER_DESC " webcam unplugged"); + dev_info(&intf->dev, DRIVER_DESC " webcam unplugged\n"); if (cam->vdev) video_unregister_device(cam->vdev); cam->vdev = NULL; @@ -920,16 +924,16 @@ static int __init zr364xx_init(void) int retval; retval = usb_register(&zr364xx_driver); if (retval) - info("usb_register failed!"); + printk(KERN_ERR KBUILD_MODNAME ": usb_register failed!\n"); else - info(DRIVER_DESC " module loaded"); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); return retval; } static void __exit zr364xx_exit(void) { - info(DRIVER_DESC " module unloaded"); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC " module unloaded\n"); usb_deregister(&zr364xx_driver); } -- GitLab From 79a9098ae47119fad54a3443e358f08e30b7d3a5 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sun, 5 Oct 2008 04:21:24 -0300 Subject: [PATCH 3998/6244] V4L/DVB (9118): gspca: Set the vertical flip at streamon time in sonixj. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/sonixj.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 93b17340b7b1..53cb82d9e7c6 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1350,6 +1350,9 @@ static int sd_start(struct gspca_dev *gspca_dev) setbrightness(gspca_dev); setcontrast(gspca_dev); break; + case SENSOR_OV7630: + setvflip(sd); + /* fall thru */ default: /* OV76xx */ setbrightcont(gspca_dev); break; @@ -1582,7 +1585,8 @@ static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val) struct sd *sd = (struct sd *) gspca_dev; sd->vflip = val; - setvflip(sd); + if (gspca_dev->streaming) + setvflip(sd); return 0; } -- GitLab From 3145b8c1bfb96b02abf63dcd83ec7517c22cb574 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sun, 5 Oct 2008 04:22:10 -0300 Subject: [PATCH 3999/6244] V4L/DVB (9119): gspca: Don't destroy the URBs on disconnect. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 9db3d899aa61..c21af312ee7c 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1903,17 +1903,12 @@ void gspca_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); - gspca_dev->present = 0; - mutex_lock(&gspca_dev->queue_lock); - mutex_lock(&gspca_dev->usb_lock); - gspca_dev->streaming = 0; - destroy_urbs(gspca_dev); - mutex_unlock(&gspca_dev->usb_lock); - mutex_unlock(&gspca_dev->queue_lock); - /* We don't want people trying to open up the device */ video_unregister_device(&gspca_dev->vdev); + gspca_dev->present = 0; + gspca_dev->streaming = 0; + kref_put(&gspca_dev->kref, gspca_delete); PDEBUG(D_PROBE, "disconnect complete"); -- GitLab From e66c6419231cd61a1be04ef84bc6264556289e7d Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sun, 5 Oct 2008 04:46:11 -0300 Subject: [PATCH 4000/6244] V4L/DVB (9120): gspca: sd_desc->start returns a value and static functions in m5602. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- .../media/video/gspca/m5602/m5602_bridge.h | 12 ------ drivers/media/video/gspca/m5602/m5602_core.c | 37 +++++++++++-------- 2 files changed, 21 insertions(+), 28 deletions(-) diff --git a/drivers/media/video/gspca/m5602/m5602_bridge.h b/drivers/media/video/gspca/m5602/m5602_bridge.h index 18ca19a94364..c786d7d3d44a 100644 --- a/drivers/media/video/gspca/m5602/m5602_bridge.h +++ b/drivers/media/video/gspca/m5602/m5602_bridge.h @@ -167,16 +167,4 @@ int m5602_read_bridge( int m5602_write_bridge( struct sd *sd, u8 address, u8 i2c_data); -int m5602_configure(struct gspca_dev *gspca_dev, - const struct usb_device_id *id); - -int m5602_init(struct gspca_dev *gspca_dev); - -void m5602_start_transfer(struct gspca_dev *gspca_dev); - -void m5602_stop_transfer(struct gspca_dev *gspca_dev); - -void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, - __u8 *data, int len); - #endif diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c index 475073501117..19d5e351ccc1 100644 --- a/drivers/media/video/gspca/m5602/m5602_core.c +++ b/drivers/media/video/gspca/m5602/m5602_core.c @@ -35,16 +35,6 @@ static const __devinitdata struct usb_device_id m5602_table[] = { MODULE_DEVICE_TABLE(usb, m5602_table); -/* sub-driver description, the ctrl and nctrl is filled at probe time */ -static struct sd_desc sd_desc = { - .name = MODULE_NAME, - .config = m5602_configure, - .init = m5602_init, - .start = m5602_start_transfer, - .stopN = m5602_stop_transfer, - .pkt_scan = m5602_urb_complete -}; - /* Reads a byte from the m5602 */ int m5602_read_bridge(struct sd *sd, u8 address, u8 *i2c_data) { @@ -104,7 +94,7 @@ static void m5602_dump_bridge(struct sd *sd) info("Warning: The camera probably won't work until it's power cycled"); } -int m5602_probe_sensor(struct sd *sd) +static int m5602_probe_sensor(struct sd *sd) { /* Try the po1030 */ sd->sensor = &po1030; @@ -137,7 +127,10 @@ int m5602_probe_sensor(struct sd *sd) return -ENODEV; } -int m5602_init(struct gspca_dev *gspca_dev) +static int m5602_configure(struct gspca_dev *gspca_dev, + const struct usb_device_id *id); + +static int m5602_init(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int err; @@ -149,7 +142,7 @@ int m5602_init(struct gspca_dev *gspca_dev) return err; } -void m5602_start_transfer(struct gspca_dev *gspca_dev) +static int m5602_start_transfer(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 *buf = sd->gspca_dev.usb_buf; @@ -162,9 +155,11 @@ void m5602_start_transfer(struct gspca_dev *gspca_dev) 4, M5602_URB_MSG_TIMEOUT); PDEBUG(DBG_V4L2, "Transfer started"); + return 0; } -void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, +static void m5602_urb_complete(struct gspca_dev *gspca_dev, + struct gspca_frame *frame, __u8 *data, int len) { struct sd *sd = (struct sd *) gspca_dev; @@ -216,13 +211,23 @@ void m5602_urb_complete(struct gspca_dev *gspca_dev, struct gspca_frame *frame, } } -void m5602_stop_transfer(struct gspca_dev *gspca_dev) +static void m5602_stop_transfer(struct gspca_dev *gspca_dev) { /* Is there are a command to stop a data transfer? */ } +/* sub-driver description, the ctrl and nctrl is filled at probe time */ +static struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = m5602_configure, + .init = m5602_init, + .start = m5602_start_transfer, + .stopN = m5602_stop_transfer, + .pkt_scan = m5602_urb_complete +}; + /* this function is called at probe time */ -int m5602_configure(struct gspca_dev *gspca_dev, +static int m5602_configure(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { struct sd *sd = (struct sd *) gspca_dev; -- GitLab From 491831260e94475d14d5465b424df955d1f20aac Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Sun, 5 Oct 2008 04:55:24 -0300 Subject: [PATCH 4001/6244] V4L/DVB (9121): gspca: Add the subdriver finepix in Kconfig and Makefile. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/Kconfig | 9 +++++++++ drivers/media/video/gspca/Makefile | 2 ++ 2 files changed, 11 insertions(+) diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index aa7f3eb7ee79..f130a218f98f 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -37,6 +37,15 @@ config USB_GSPCA_ETOMS To compile this driver as a module, choose M here: the module will be called gspca_etoms. +config USB_GSPCA_FINEPIX + tristate "Fujifilm FinePix USB V4L2 driver" + depends on VIDEO_V4L2 && USB_GSPCA + help + Say Y here if you want support for cameras based on the FinePix chip. + + To compile this driver as a module, choose M here: the + module will be called gspca_finepix. + config USB_GSPCA_MARS tristate "Mars USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA diff --git a/drivers/media/video/gspca/Makefile b/drivers/media/video/gspca/Makefile index b87322f4a487..22734f5a6c32 100644 --- a/drivers/media/video/gspca/Makefile +++ b/drivers/media/video/gspca/Makefile @@ -1,6 +1,7 @@ obj-$(CONFIG_USB_GSPCA) += gspca_main.o obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o obj-$(CONFIG_USB_GSPCA_ETOMS) += gspca_etoms.o +obj-$(CONFIG_USB_GSPCA_FINEPIX) += gspca_finepix.o obj-$(CONFIG_USB_GSPCA_MARS) += gspca_mars.o obj-$(CONFIG_USB_GSPCA_OV519) += gspca_ov519.o obj-$(CONFIG_USB_GSPCA_PAC207) += gspca_pac207.o @@ -23,6 +24,7 @@ obj-$(CONFIG_USB_GSPCA_ZC3XX) += gspca_zc3xx.o gspca_main-objs := gspca.o gspca_conex-objs := conex.o gspca_etoms-objs := etoms.o +gspca_finepix-objs := finepix.o gspca_mars-objs := mars.o gspca_ov519-objs := ov519.o gspca_pac207-objs := pac207.o -- GitLab From 1abe4746ec11cff514c94fb11b3f3ac639fd200d Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Mon, 6 Oct 2008 03:16:08 -0300 Subject: [PATCH 4002/6244] V4L/DVB (9122): gspca: Bad name of the sunplus subdriver in Kconfig. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index f130a218f98f..655301837a31 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -163,8 +163,8 @@ config USB_GSPCA_STK014 To compile this driver as a module, choose M here: the module will be called gspca_stk014. -config USB_GSPCA_SPCA5XX - tristate "SPCA5xx USB Camera Driver" +config USB_GSPCA_SUNPLUS + tristate "SUNPLUS USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help Say Y here if you want support for cameras based on the Sunplus -- GitLab From 18f8fae19840a05a3a567e1251cf852bec5928b4 Mon Sep 17 00:00:00 2001 From: Erik Andren Date: Tue, 7 Oct 2008 03:02:59 -0300 Subject: [PATCH 4003/6244] V4L/DVB (9123): gspca: Add some lost controls to the s5k83a sensor. Signed-off-by: Erik Andren Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- .../media/video/gspca/m5602/m5602_s5k83a.c | 92 ++++++++++++++++++- .../media/video/gspca/m5602/m5602_s5k83a.h | 58 ++++++++++-- 2 files changed, 140 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.c b/drivers/media/video/gspca/m5602/m5602_s5k83a.c index c1ff967b1c31..b4b33c2d0499 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k83a.c +++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.c @@ -321,7 +321,7 @@ int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val) int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val) { - int err = 0; + int err; u8 data[2]; struct sd *sd = (struct sd *) gspca_dev; @@ -331,3 +331,93 @@ int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val) return (err < 0) ? err : 0; } + +int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x05; + err = s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); + if (err < 0) + return err; + + err = s5k83a_read_sensor(sd, S5K83A_FLIP, data, 1); + *val = (data[0] | 0x40) ? 1 : 0; + + return (err < 0) ? err : 0; +} + +int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x05; + err = s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); + if (err < 0) + return err; + + err = s5k83a_read_sensor(sd, S5K83A_FLIP, data, 1); + if (err < 0) + return err; + + /* set or zero six bit, seven is hflip */ + data[0] = (val) ? (data[0] & 0x80) | 0x40 | S5K83A_FLIP_MASK + : (data[0] & 0x80) | S5K83A_FLIP_MASK; + err = s5k83a_write_sensor(sd, S5K83A_FLIP, data, 1); + if (err < 0) + return err; + + data[0] = (val) ? 0x0b : 0x0a; + err = s5k83a_write_sensor(sd, S5K83A_VFLIP_TUNE, data, 1); + + return (err < 0) ? err : 0; +} + +int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x05; + err = s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); + if (err < 0) + return err; + + err = s5k83a_read_sensor(sd, S5K83A_FLIP, data, 1); + *val = (data[0] | 0x80) ? 1 : 0; + + return (err < 0) ? err : 0; +} + +int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 data[1]; + struct sd *sd = (struct sd *) gspca_dev; + + data[0] = 0x05; + err = s5k83a_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); + if (err < 0) + return err; + + err = s5k83a_read_sensor(sd, S5K83A_FLIP, data, 1); + if (err < 0) + return err; + + /* set or zero seven bit, six is vflip */ + data[0] = (val) ? (data[0] & 0x40) | 0x80 | S5K83A_FLIP_MASK + : (data[0] & 0x40) | S5K83A_FLIP_MASK; + err = s5k83a_write_sensor(sd, S5K83A_FLIP, data, 1); + if (err < 0) + return err; + + data[0] = (val) ? 0x0a : 0x0b; + err = s5k83a_write_sensor(sd, S5K83A_HFLIP_TUNE, data, 1); + + return (err < 0) ? err : 0; +} diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.h b/drivers/media/video/gspca/m5602/m5602_s5k83a.h index a57f623d80c3..833708eb5a42 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k83a.h +++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.h @@ -21,15 +21,20 @@ #include "m5602_sensor.h" -#define S5K83A_PAGE_MAP 0xec -#define S5K83A_GAIN 0x18 +#define S5K83A_FLIP 0x01 +#define S5K83A_HFLIP_TUNE 0x03 +#define S5K83A_VFLIP_TUNE 0x05 #define S5K83A_WHITENESS 0x0a -#define S5K83A_BRIGHTNESS 0x1b +#define S5K83A_GAIN 0x18 +#define S5K83A_BRIGHTNESS 0x1b +#define S5K83A_PAGE_MAP 0xec #define S5K83A_DEFAULT_BRIGHTNESS 0x71 #define S5K83A_DEFAULT_WHITENESS 0x7e -#define S5K83A_DEFAULT_GAIN 0x00 -#define S5K83A_MAXIMUM_GAIN 0x3c +#define S5K83A_DEFAULT_GAIN 0x00 +#define S5K83A_MAXIMUM_GAIN 0x3c +#define S5K83A_FLIP_MASK 0x10 + /*****************************************************************************/ @@ -56,6 +61,11 @@ int s5k83a_set_whiteness(struct gspca_dev *gspca_dev, __s32 val); int s5k83a_get_whiteness(struct gspca_dev *gspca_dev, __s32 *val); int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val); int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val); + static struct m5602_sensor s5k83a = { .name = "S5K83A", @@ -65,7 +75,7 @@ static struct m5602_sensor s5k83a = { .read_sensor = s5k83a_read_sensor, .write_sensor = s5k83a_write_sensor, .i2c_slave_id = 0x5a, - .nctrls = 3, + .nctrls = 5, .ctrls = { { { @@ -107,7 +117,31 @@ static struct m5602_sensor s5k83a = { }, .set = s5k83a_set_gain, .get = s5k83a_get_gain - } + }, { + { + .id = V4L2_CID_HFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "horizontal flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k83a_set_hflip, + .get = s5k83a_get_hflip + }, { + { + .id = V4L2_CID_VFLIP, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "vertical flip", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0 + }, + .set = s5k83a_set_vflip, + .get = s5k83a_get_vflip + } }, .nmodes = 1, .modes = { @@ -121,7 +155,6 @@ static struct m5602_sensor s5k83a = { .bytesperline = M5602_DEFAULT_FRAME_WIDTH, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1 - } } }; @@ -438,7 +471,14 @@ static const unsigned char init_s5k83a[][4] = {SENSOR, S5K83A_WHITENESS, S5K83A_DEFAULT_WHITENESS, 0x00}, /* set default gain */ - {SENSOR_LONG, 0x18, 0x00, S5K83A_DEFAULT_GAIN} + {SENSOR_LONG, 0x18, 0x00, S5K83A_DEFAULT_GAIN}, + + /* set default flip */ + {SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00}, + {SENSOR, S5K83A_FLIP, 0x00 | S5K83A_FLIP_MASK, 0x00}, + {SENSOR, S5K83A_HFLIP_TUNE, 0x0b, 0x00}, + {SENSOR, S5K83A_VFLIP_TUNE, 0x0a, 0x00} + }; #endif -- GitLab From a2d7807788ff3213f540ba772f6c5c39548ae09f Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Tue, 7 Oct 2008 08:42:30 -0300 Subject: [PATCH 4004/6244] V4L/DVB (9124): gspca: Bad name of the tv8532 subdriver in Kconfig. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/gspca/Kconfig b/drivers/media/video/gspca/Kconfig index 655301837a31..4d0817471c9f 100644 --- a/drivers/media/video/gspca/Kconfig +++ b/drivers/media/video/gspca/Kconfig @@ -182,7 +182,7 @@ config USB_GSPCA_T613 To compile this driver as a module, choose M here: the module will be called gspca_t613. -config USB_GSPCA_TV8531 +config USB_GSPCA_TV8532 tristate "TV8532 USB Camera Driver" depends on VIDEO_V4L2 && USB_GSPCA help -- GitLab From fadc79935cdb74e744c72e25f739a4acc9efabf5 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Wed, 8 Oct 2008 08:06:08 -0300 Subject: [PATCH 4005/6244] V4L/DVB (9125): gspca: Big rewrite of t613 driver - separate functions for bridge and sensor exchanges - delays added after some exchanges - other sensor type Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/t613.c | 592 +++++++++++++++++-------------- 1 file changed, 326 insertions(+), 266 deletions(-) diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c index 7e435a36b056..b561f7c4f066 100644 --- a/drivers/media/video/gspca/t613.c +++ b/drivers/media/video/gspca/t613.c @@ -28,8 +28,6 @@ #include "gspca.h" -#define MAX_GAMMA 0x10 /* 0 to 15 */ - #define V4L2_CID_EFFECTS (V4L2_CID_PRIVATE_BASE + 0) MODULE_AUTHOR("Leandro Costantino "); @@ -49,6 +47,10 @@ struct sd { unsigned char whitebalance; unsigned char mirror; unsigned char effect; + + __u8 sensor; +#define SENSOR_TAS5130A 0 +#define SENSOR_OTHER 1 }; /* V4L2 controls supported by the driver */ @@ -83,9 +85,9 @@ static struct ctrl sd_ctrls[] = { .type = V4L2_CTRL_TYPE_INTEGER, .name = "Brightness", .minimum = 0, - .maximum = 0x0f, + .maximum = 14, .step = 1, - .default_value = 0x09, + .default_value = 8, }, .set = sd_setbrightness, .get = sd_getbrightness, @@ -118,16 +120,17 @@ static struct ctrl sd_ctrls[] = { .set = sd_setcolors, .get = sd_getcolors, }, -#define SD_GAMMA 3 +#define GAMMA_MAX 16 +#define GAMMA_DEF 10 { { .id = V4L2_CID_GAMMA, /* (gamma on win) */ .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gamma (Untested)", + .name = "Gamma", .minimum = 0, - .maximum = MAX_GAMMA, + .maximum = GAMMA_MAX - 1, .step = 1, - .default_value = 0x09, + .default_value = GAMMA_DEF, }, .set = sd_setgamma, .get = sd_getgamma, @@ -197,7 +200,7 @@ static struct ctrl sd_ctrls[] = { .type = V4L2_CTRL_TYPE_INTEGER, .name = "Sharpness", .minimum = 0, - .maximum = MAX_GAMMA, /* 0 to 16 */ + .maximum = 15, .step = 1, .default_value = 0x06, }, @@ -258,7 +261,6 @@ static struct v4l2_pix_format vga_mode_t16[] = { .priv = 0}, }; -#define T16_OFFSET_DATA 631 #define MAX_EFFECTS 7 /* easily done by soft, this table could be removed, * i keep it here just in case */ @@ -272,87 +274,87 @@ static const __u8 effects_table[MAX_EFFECTS][6] = { {0xa8, 0xc8, 0xc6, 0xd2, 0xc0, 0x40}, /* Negative */ }; -static const __u8 gamma_table[MAX_GAMMA][34] = { - {0x90, 0x00, 0x91, 0x3e, 0x92, 0x69, 0x93, 0x85, +static const __u8 gamma_table[GAMMA_MAX][34] = { + {0x90, 0x00, 0x91, 0x3e, 0x92, 0x69, 0x93, 0x85, /* 0 */ 0x94, 0x95, 0x95, 0xa1, 0x96, 0xae, 0x97, 0xb9, 0x98, 0xc2, 0x99, 0xcb, 0x9a, 0xd4, 0x9b, 0xdb, 0x9c, 0xe3, 0x9d, 0xea, 0x9e, 0xf1, 0x9f, 0xf8, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x33, 0x92, 0x5A, 0x93, 0x75, - 0x94, 0x85, 0x95, 0x93, 0x96, 0xA1, 0x97, 0xAD, - 0x98, 0xB7, 0x99, 0xC2, 0x9A, 0xCB, 0x9B, 0xD4, - 0x9C, 0xDE, 0x9D, 0xE7, 0x9E, 0xF0, 0x9F, 0xF7, + {0x90, 0x00, 0x91, 0x33, 0x92, 0x5a, 0x93, 0x75, /* 1 */ + 0x94, 0x85, 0x95, 0x93, 0x96, 0xa1, 0x97, 0xad, + 0x98, 0xb7, 0x99, 0xc2, 0x9a, 0xcb, 0x9b, 0xd4, + 0x9c, 0xde, 0x9D, 0xe7, 0x9e, 0xf0, 0x9f, 0xf7, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x2F, 0x92, 0x51, 0x93, 0x6B, - 0x94, 0x7C, 0x95, 0x8A, 0x96, 0x99, 0x97, 0xA6, - 0x98, 0xB1, 0x99, 0xBC, 0x9A, 0xC6, 0x9B, 0xD0, - 0x9C, 0xDB, 0x9D, 0xE4, 0x9E, 0xED, 0x9F, 0xF6, + {0x90, 0x00, 0x91, 0x2f, 0x92, 0x51, 0x93, 0x6b, /* 2 */ + 0x94, 0x7c, 0x95, 0x8a, 0x96, 0x99, 0x97, 0xa6, + 0x98, 0xb1, 0x99, 0xbc, 0x9a, 0xc6, 0x9b, 0xd0, + 0x9c, 0xdb, 0x9d, 0xe4, 0x9e, 0xed, 0x9f, 0xf6, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x29, 0x92, 0x48, 0x93, 0x60, - 0x94, 0x72, 0x95, 0x81, 0x96, 0x90, 0x97, 0x9E, - 0x98, 0xAA, 0x99, 0xB5, 0x9A, 0xBF, 0x9B, 0xCB, - 0x9C, 0xD6, 0x9D, 0xE1, 0x9E, 0xEB, 0x9F, 0xF5, + {0x90, 0x00, 0x91, 0x29, 0x92, 0x48, 0x93, 0x60, /* 3 */ + 0x94, 0x72, 0x95, 0x81, 0x96, 0x90, 0x97, 0x9e, + 0x98, 0xaa, 0x99, 0xb5, 0x9a, 0xbf, 0x9b, 0xcb, + 0x9c, 0xd6, 0x9d, 0xe1, 0x9e, 0xeb, 0x9f, 0xf5, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x23, 0x92, 0x3F, 0x93, 0x55, + {0x90, 0x00, 0x91, 0x23, 0x92, 0x3f, 0x93, 0x55, /* 4 */ 0x94, 0x68, 0x95, 0x77, 0x96, 0x86, 0x97, 0x95, - 0x98, 0xA2, 0x99, 0xAD, 0x9A, 0xB9, 0x9B, 0xC6, - 0x9C, 0xD2, 0x9D, 0xDE, 0x9E, 0xE9, 0x9F, 0xF4, + 0x98, 0xa2, 0x99, 0xad, 0x9a, 0xb9, 0x9b, 0xc6, + 0x9c, 0xd2, 0x9d, 0xde, 0x9e, 0xe9, 0x9f, 0xf4, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x1B, 0x92, 0x33, 0x93, 0x48, + {0x90, 0x00, 0x91, 0x1b, 0x92, 0x33, 0x93, 0x48, /* 5 */ 0x94, 0x59, 0x95, 0x69, 0x96, 0x79, 0x97, 0x87, - 0x98, 0x96, 0x99, 0xA3, 0x9A, 0xB1, 0x9B, 0xBE, - 0x9C, 0xCC, 0x9D, 0xDA, 0x9E, 0xE7, 0x9F, 0xF3, + 0x98, 0x96, 0x99, 0xa3, 0x9a, 0xb1, 0x9b, 0xbe, + 0x9c, 0xcc, 0x9d, 0xda, 0x9e, 0xe7, 0x9f, 0xf3, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x02, 0x92, 0x10, 0x93, 0x20, + {0x90, 0x00, 0x91, 0x02, 0x92, 0x10, 0x93, 0x20, /* 6 */ 0x94, 0x32, 0x95, 0x40, 0x96, 0x57, 0x97, 0x67, 0x98, 0x77, 0x99, 0x88, 0x9a, 0x99, 0x9b, 0xaa, 0x9c, 0xbb, 0x9d, 0xcc, 0x9e, 0xdd, 0x9f, 0xee, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x02, 0x92, 0x14, 0x93, 0x26, - 0x94, 0x38, 0x95, 0x4A, 0x96, 0x60, 0x97, 0x70, - 0x98, 0x80, 0x99, 0x90, 0x9A, 0xA0, 0x9B, 0xB0, - 0x9C, 0xC0, 0x9D, 0xD0, 0x9E, 0xE0, 0x9F, 0xF0, + {0x90, 0x00, 0x91, 0x02, 0x92, 0x14, 0x93, 0x26, /* 7 */ + 0x94, 0x38, 0x95, 0x4a, 0x96, 0x60, 0x97, 0x70, + 0x98, 0x80, 0x99, 0x90, 0x9a, 0xa0, 0x9b, 0xb0, + 0x9c, 0xc0, 0x9D, 0xd0, 0x9e, 0xe0, 0x9f, 0xf0, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x10, 0x92, 0x22, 0x93, 0x35, - 0x94, 0x47, 0x95, 0x5A, 0x96, 0x69, 0x97, 0x79, - 0x98, 0x88, 0x99, 0x97, 0x9A, 0xA7, 0x9B, 0xB6, - 0x9C, 0xC4, 0x9D, 0xD3, 0x9E, 0xE0, 0x9F, 0xF0, + {0x90, 0x00, 0x91, 0x10, 0x92, 0x22, 0x93, 0x35, /* 8 */ + 0x94, 0x47, 0x95, 0x5a, 0x96, 0x69, 0x97, 0x79, + 0x98, 0x88, 0x99, 0x97, 0x9a, 0xa7, 0x9b, 0xb6, + 0x9c, 0xc4, 0x9d, 0xd3, 0x9e, 0xe0, 0x9f, 0xf0, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x10, 0x92, 0x26, 0x93, 0x40, + {0x90, 0x00, 0x91, 0x10, 0x92, 0x26, 0x93, 0x40, /* 9 */ 0x94, 0x54, 0x95, 0x65, 0x96, 0x75, 0x97, 0x84, 0x98, 0x93, 0x99, 0xa1, 0x9a, 0xb0, 0x9b, 0xbd, 0x9c, 0xca, 0x9d, 0xd6, 0x9e, 0xe0, 0x9f, 0xf0, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x18, 0x92, 0x2B, 0x93, 0x44, - 0x94, 0x60, 0x95, 0x70, 0x96, 0x80, 0x97, 0x8E, - 0x98, 0x9C, 0x99, 0xAA, 0x9A, 0xB7, 0x9B, 0xC4, - 0x9C, 0xD0, 0x9D, 0xD8, 0x9E, 0xE2, 0x9F, 0xF0, + {0x90, 0x00, 0x91, 0x18, 0x92, 0x2b, 0x93, 0x44, /* 10 */ + 0x94, 0x60, 0x95, 0x70, 0x96, 0x80, 0x97, 0x8e, + 0x98, 0x9c, 0x99, 0xaa, 0x9a, 0xb7, 0x9b, 0xc4, + 0x9c, 0xd0, 0x9d, 0xd8, 0x9e, 0xe2, 0x9f, 0xf0, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x1A, 0x92, 0x34, 0x93, 0x52, - 0x94, 0x66, 0x95, 0x7E, 0x96, 0x8D, 0x97, 0x9B, - 0x98, 0xA8, 0x99, 0xB4, 0x9A, 0xC0, 0x9B, 0xCB, - 0x9C, 0xD6, 0x9D, 0xE1, 0x9E, 0xEB, 0x9F, 0xF5, + {0x90, 0x00, 0x91, 0x1a, 0x92, 0x34, 0x93, 0x52, /* 11 */ + 0x94, 0x66, 0x95, 0x7e, 0x96, 0x8D, 0x97, 0x9B, + 0x98, 0xa8, 0x99, 0xb4, 0x9a, 0xc0, 0x9b, 0xcb, + 0x9c, 0xd6, 0x9d, 0xe1, 0x9e, 0xeb, 0x9f, 0xf5, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x3F, 0x92, 0x5A, 0x93, 0x6E, - 0x94, 0x7F, 0x95, 0x8E, 0x96, 0x9C, 0x97, 0xA8, - 0x98, 0xB4, 0x99, 0xBF, 0x9A, 0xC9, 0x9B, 0xD3, - 0x9C, 0xDC, 0x9D, 0xE5, 0x9E, 0xEE, 0x9F, 0xF6, - 0xA0, 0xFF}, - {0x90, 0x00, 0x91, 0x54, 0x92, 0x6F, 0x93, 0x83, - 0x94, 0x93, 0x95, 0xA0, 0x96, 0xAD, 0x97, 0xB7, - 0x98, 0xC2, 0x99, 0xCB, 0x9A, 0xD4, 0x9B, 0xDC, - 0x9C, 0xE4, 0x9D, 0xEB, 0x9E, 0xF2, 0x9F, 0xF9, + {0x90, 0x00, 0x91, 0x3f, 0x92, 0x5a, 0x93, 0x6e, /* 12 */ + 0x94, 0x7f, 0x95, 0x8e, 0x96, 0x9c, 0x97, 0xa8, + 0x98, 0xb4, 0x99, 0xbf, 0x9a, 0xc9, 0x9b, 0xd3, + 0x9c, 0xdc, 0x9d, 0xe5, 0x9e, 0xee, 0x9f, 0xf6, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x6E, 0x92, 0x88, 0x93, 0x9A, - 0x94, 0xA8, 0x95, 0xB3, 0x96, 0xBD, 0x97, 0xC6, - 0x98, 0xCF, 0x99, 0xD6, 0x9A, 0xDD, 0x9B, 0xE3, - 0x9C, 0xE9, 0x9D, 0xEF, 0x9E, 0xF4, 0x9F, 0xFA, + {0x90, 0x00, 0x91, 0x54, 0x92, 0x6f, 0x93, 0x83, /* 13 */ + 0x94, 0x93, 0x95, 0xa0, 0x96, 0xad, 0x97, 0xb7, + 0x98, 0xc2, 0x99, 0xcb, 0x9a, 0xd4, 0x9b, 0xdc, + 0x9c, 0xe4, 0x9d, 0xeb, 0x9e, 0xf2, 0x9f, 0xf9, 0xa0, 0xff}, - {0x90, 0x00, 0x91, 0x93, 0x92, 0xA8, 0x93, 0xB7, - 0x94, 0xC1, 0x95, 0xCA, 0x96, 0xD2, 0x97, 0xD8, - 0x98, 0xDE, 0x99, 0xE3, 0x9A, 0xE8, 0x9B, 0xED, - 0x9C, 0xF1, 0x9D, 0xF5, 0x9E, 0xF8, 0x9F, 0xFC, - 0xA0, 0xFF} + {0x90, 0x00, 0x91, 0x6e, 0x92, 0x88, 0x93, 0x9a, /* 14 */ + 0x94, 0xa8, 0x95, 0xb3, 0x96, 0xbd, 0x97, 0xc6, + 0x98, 0xcf, 0x99, 0xd6, 0x9a, 0xdd, 0x9b, 0xe3, + 0x9c, 0xe9, 0x9d, 0xef, 0x9e, 0xf4, 0x9f, 0xfa, + 0xa0, 0xff}, + {0x90, 0x00, 0x91, 0x93, 0x92, 0xa8, 0x93, 0xb7, /* 15 */ + 0x94, 0xc1, 0x95, 0xca, 0x96, 0xd2, 0x97, 0xd8, + 0x98, 0xde, 0x99, 0xe3, 0x9a, 0xe8, 0x9b, 0xed, + 0x9c, 0xf1, 0x9d, 0xf5, 0x9e, 0xf8, 0x9f, 0xfc, + 0xa0, 0xff} }; static const __u8 tas5130a_sensor_init[][8] = { @@ -364,7 +366,7 @@ static const __u8 tas5130a_sensor_init[][8] = { }; /* read 1 byte */ -static int reg_r_1(struct gspca_dev *gspca_dev, +static int reg_r(struct gspca_dev *gspca_dev, __u16 index) { usb_control_msg(gspca_dev->dev, @@ -378,26 +380,26 @@ static int reg_r_1(struct gspca_dev *gspca_dev, } static void reg_w(struct gspca_dev *gspca_dev, - __u16 value, - __u16 index, - const __u8 *buffer, __u16 len) + __u16 index) +{ + usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, + 0, index, + NULL, 0, 500); +} + +static void i2c_w(struct gspca_dev *gspca_dev, + const __u8 *buffer, __u16 len) { - if (buffer == NULL) { - usb_control_msg(gspca_dev->dev, - usb_sndctrlpipe(gspca_dev->dev, 0), - 0, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - value, index, - NULL, 0, 500); - return; - } if (len <= USB_BUF_SZ) { memcpy(gspca_dev->usb_buf, buffer, len); usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - value, index, + 0x01, 0, gspca_dev->usb_buf, len, 500); } else { __u8 *tmpbuf; @@ -408,12 +410,56 @@ static void reg_w(struct gspca_dev *gspca_dev, usb_sndctrlpipe(gspca_dev->dev, 0), 0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - value, index, + 0x01, 0, tmpbuf, len, 500); kfree(tmpbuf); } } +static void other_sensor_init(struct gspca_dev *gspca_dev) +{ + int i; + const __u8 *p; + __u8 byte; + __u8 val[6] = {0x62, 0, 0x64, 0, 0x60, 0x05}; + static const __u8 sensor_init[] = { + 0xdf, 0x6d, + 0xdd, 0x18, + 0x5a, 0xe0, + 0x5c, 0x07, + 0x5d, 0xb0, + 0x5e, 0x1e, + 0x60, 0x71, + 0xef, 0x00, + 0xe9, 0x00, + 0xea, 0x00, + 0x90, 0x24, + 0x91, 0xb2, + 0x82, 0x32, + 0xfd, 0x00, + 0xfd, 0x01, + 0xfd, 0x41, + 0x00 /* table end */ + }; + + p = sensor_init; + while (*p != 0) { + val[1] = *p++; + val[3] = *p++; + if (*p == 0) + reg_w(gspca_dev, 0x3c80); + i2c_w(gspca_dev, val, sizeof val); + i = 4; + while (--i >= 0) { + msleep(15); + byte = reg_r(gspca_dev, 0x60); + if (!(byte & 0x01)) + break; + } + } + reg_w(gspca_dev, 0x3c80); +} + /* this function is called at probe time */ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) @@ -430,7 +476,7 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; - sd->gamma = sd_ctrls[SD_GAMMA].qctrl.default_value; + sd->gamma = GAMMA_DEF; sd->mirror = sd_ctrls[SD_MIRROR].qctrl.default_value; sd->freq = sd_ctrls[SD_LIGHTFREQ].qctrl.default_value; sd->whitebalance = sd_ctrls[SD_WHITE_BALANCE].qctrl.default_value; @@ -439,27 +485,37 @@ static int sd_config(struct gspca_dev *gspca_dev, return 0; } -static int init_default_parameters(struct gspca_dev *gspca_dev) +static void setgamma(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + PDEBUG(D_CONF, "Gamma: %d", sd->gamma); + i2c_w(gspca_dev, gamma_table[sd->gamma], sizeof gamma_table[0]); +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) { /* some of this registers are not really neded, because * they are overriden by setbrigthness, setcontrast, etc, * but wont hurt anyway, and can help someone with similar webcam * to see the initial parameters.*/ - int i = 0; - __u8 test_byte; + struct sd *sd = (struct sd *) gspca_dev; + int i; + __u8 byte, test_byte; static const __u8 read_indexs[] = { 0x06, 0x07, 0x0a, 0x0b, 0x66, 0x80, 0x81, 0x8e, 0x8f, 0xa5, 0xa6, 0xa8, 0xbb, 0xbc, 0xc6, 0x00, 0x00 }; - static const __u8 n1[6] = + static const __u8 n1[] = {0x08, 0x03, 0x09, 0x03, 0x12, 0x04}; - static const __u8 n2[2] = + static const __u8 n2[] = {0x08, 0x00}; - static const __u8 nset[6] = - { 0x61, 0x68, 0x62, 0xff, 0x60, 0x07 }; - static const __u8 n3[6] = + static const __u8 nset[] = + { 0x61, 0x68, 0x62, 0xff, 0x60, 0x07 }; + static const __u8 n3[] = {0x61, 0x68, 0x65, 0x0a, 0x60, 0x04}; - static const __u8 n4[0x46] = + static const __u8 n4[] = {0x09, 0x01, 0x12, 0x04, 0x66, 0x8a, 0x80, 0x3c, 0x81, 0x22, 0x84, 0x50, 0x8a, 0x78, 0x8b, 0x68, 0x8c, 0x88, 0x8e, 0x33, 0x8f, 0x24, 0xaa, 0xb1, @@ -469,33 +525,26 @@ static int init_default_parameters(struct gspca_dev *gspca_dev) 0x65, 0x0a, 0xbb, 0x86, 0xaf, 0x58, 0xb0, 0x68, 0x87, 0x40, 0x89, 0x2b, 0x8d, 0xff, 0x83, 0x40, 0xac, 0x84, 0xad, 0x86, 0xaf, 0x46}; - static const __u8 nset4[18] = { + static const __u8 nset4[] = { 0xe0, 0x60, 0xe1, 0xa8, 0xe2, 0xe0, 0xe3, 0x60, 0xe4, 0xa8, 0xe5, 0xe0, 0xe6, 0x60, 0xe7, 0xa8, 0xe8, 0xe0 }; /* ojo puede ser 0xe6 en vez de 0xe9 */ - static const __u8 nset2[20] = { + static const __u8 nset2[] = { 0xd0, 0xbb, 0xd1, 0x28, 0xd2, 0x10, 0xd3, 0x10, 0xd4, 0xbb, 0xd5, 0x28, 0xd6, 0x1e, 0xd7, 0x27, 0xd8, 0xc8, 0xd9, 0xfc }; - static const __u8 missing[8] = + static const __u8 missing[] = { 0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38 }; - static const __u8 nset3[18] = { + static const __u8 nset3[] = { 0xc7, 0x60, 0xc8, 0xa8, 0xc9, 0xe0, 0xca, 0x60, 0xcb, 0xa8, 0xcc, 0xe0, 0xcd, 0x60, 0xce, 0xa8, 0xcf, 0xe0 }; - static const __u8 nset5[4] = - { 0x8f, 0x24, 0xc3, 0x00 }; /* bright */ - static const __u8 nset6[34] = { - 0x90, 0x00, 0x91, 0x1c, 0x92, 0x30, 0x93, 0x43, 0x94, 0x54, - 0x95, 0x65, 0x96, 0x75, 0x97, 0x84, - 0x98, 0x93, 0x99, 0xa1, 0x9a, 0xb0, 0x9b, 0xbd, 0x9c, 0xca, - 0x9d, 0xd8, 0x9e, 0xe5, 0x9f, 0xf2, - 0xa0, 0xff - }; /* Gamma */ + static const __u8 nset5[] = + { 0x8f, 0x24, 0xc3, 0x00 }; /* bright */ static const __u8 nset7[4] = { 0x66, 0xca, 0xa8, 0xf8 }; /* 50/60 Hz */ static const __u8 nset9[4] = @@ -505,57 +554,74 @@ static int init_default_parameters(struct gspca_dev *gspca_dev) static const __u8 nset10[6] = { 0x0c, 0x03, 0xab, 0x10, 0x81, 0x20 }; - reg_w(gspca_dev, 0x01, 0x0000, n1, 0x06); - reg_w(gspca_dev, 0x01, 0x0000, nset, 0x06); - reg_r_1(gspca_dev, 0x0063); - reg_w(gspca_dev, 0x01, 0x0000, n2, 0x02); + byte = reg_r(gspca_dev, 0x06); + test_byte = reg_r(gspca_dev, 0x07); + if (byte == 0x08 && test_byte == 0x07) { + PDEBUG(D_CONF, "other sensor"); + sd->sensor = SENSOR_OTHER; + } else { + PDEBUG(D_CONF, "sensor %02x %02x", byte, test_byte); + sd->sensor = SENSOR_TAS5130A; + } + + i2c_w(gspca_dev, n1, sizeof n1); + test_byte = 0; + i = 5; + while (--i >= 0) { + i2c_w(gspca_dev, nset, sizeof nset); + msleep(5); + test_byte = reg_r(gspca_dev, 0x0063); + msleep(100); + if (test_byte == 0x17) + break; /* OK */ + } + if (i < 0) { + err("Bad sensor reset %02x", test_byte); +/* return -EIO; */ +/*fixme: test - continue */ + } + i2c_w(gspca_dev, n2, sizeof n2); + i = 0; while (read_indexs[i] != 0x00) { - test_byte = reg_r_1(gspca_dev, read_indexs[i]); - PDEBUG(D_CONF, "Reg 0x%02x => 0x%02x", read_indexs[i], + test_byte = reg_r(gspca_dev, read_indexs[i]); + PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", read_indexs[i], test_byte); i++; } - reg_w(gspca_dev, 0x01, 0x0000, n3, 0x06); - reg_w(gspca_dev, 0x01, 0x0000, n4, 0x46); - reg_r_1(gspca_dev, 0x0080); - reg_w(gspca_dev, 0x00, 0x2c80, NULL, 0); - reg_w(gspca_dev, 0x01, 0x0000, nset2, 0x14); - reg_w(gspca_dev, 0x01, 0x0000, nset3, 0x12); - reg_w(gspca_dev, 0x01, 0x0000, nset4, 0x12); - reg_w(gspca_dev, 0x00, 0x3880, NULL, 0); - reg_w(gspca_dev, 0x00, 0x3880, NULL, 0); - reg_w(gspca_dev, 0x00, 0x338e, NULL, 0); - reg_w(gspca_dev, 0x01, 0x0000, nset5, 0x04); - reg_w(gspca_dev, 0x00, 0x00a9, NULL, 0); - reg_w(gspca_dev, 0x01, 0x0000, nset6, 0x22); - reg_w(gspca_dev, 0x00, 0x86bb, NULL, 0); - reg_w(gspca_dev, 0x00, 0x4aa6, NULL, 0); - - reg_w(gspca_dev, 0x01, 0x0000, missing, 0x08); - - reg_w(gspca_dev, 0x00, 0x2087, NULL, 0); - reg_w(gspca_dev, 0x00, 0x2088, NULL, 0); - reg_w(gspca_dev, 0x00, 0x2089, NULL, 0); - - reg_w(gspca_dev, 0x01, 0x0000, nset7, 0x04); - reg_w(gspca_dev, 0x01, 0x0000, nset10, 0x06); - reg_w(gspca_dev, 0x01, 0x0000, nset8, 0x06); - reg_w(gspca_dev, 0x01, 0x0000, nset9, 0x04); - - reg_w(gspca_dev, 0x00, 0x2880, NULL, 0); - reg_w(gspca_dev, 0x01, 0x0000, nset2, 0x14); - reg_w(gspca_dev, 0x01, 0x0000, nset3, 0x12); - reg_w(gspca_dev, 0x01, 0x0000, nset4, 0x12); - - return 0; -} + i2c_w(gspca_dev, n3, sizeof n3); + i2c_w(gspca_dev, n4, sizeof n4); + reg_r(gspca_dev, 0x0080); + reg_w(gspca_dev, 0x2c80); + i2c_w(gspca_dev, nset2, sizeof nset2); + i2c_w(gspca_dev, nset3, sizeof nset3); + i2c_w(gspca_dev, nset4, sizeof nset4); + reg_w(gspca_dev, 0x3880); + reg_w(gspca_dev, 0x3880); + reg_w(gspca_dev, 0x338e); + i2c_w(gspca_dev, nset5, sizeof nset5); + reg_w(gspca_dev, 0x00a9); + setgamma(gspca_dev); + reg_w(gspca_dev, 0x86bb); + reg_w(gspca_dev, 0x4aa6); + + i2c_w(gspca_dev, missing, sizeof missing); + + reg_w(gspca_dev, 0x2087); + reg_w(gspca_dev, 0x2088); + reg_w(gspca_dev, 0x2089); + + i2c_w(gspca_dev, nset7, sizeof nset7); + i2c_w(gspca_dev, nset10, sizeof nset10); + i2c_w(gspca_dev, nset8, sizeof nset8); + i2c_w(gspca_dev, nset9, sizeof nset9); + + reg_w(gspca_dev, 0x2880); + i2c_w(gspca_dev, nset2, sizeof nset2); + i2c_w(gspca_dev, nset3, sizeof nset3); + i2c_w(gspca_dev, nset4, sizeof nset4); -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) -{ - init_default_parameters(gspca_dev); return 0; } @@ -563,37 +629,36 @@ static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; unsigned int brightness; - __u8 set6[4] = { 0x8f, 0x26, 0xc3, 0x80 }; - brightness = sd->brightness; + __u8 set6[4] = { 0x8f, 0x26, 0xc3, 0x00 }; + brightness = sd->brightness; if (brightness < 7) { - set6[3] = 0x70 - (brightness * 0xa); + set6[3] = 0x70 - brightness * 0x10; } else { set6[1] = 0x24; - set6[3] = 0x00 + ((brightness - 7) * 0xa); + set6[3] = 0x00 + ((brightness - 7) * 0x10); } - reg_w(gspca_dev, 0x01, 0x0000, set6, 4); + i2c_w(gspca_dev, set6, sizeof set6); } static void setflip(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - __u8 flipcmd[8] = - { 0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09 }; + {0x62, 0x07, 0x63, 0x03, 0x64, 0x00, 0x60, 0x09}; - if (sd->mirror == 1) + if (sd->mirror) flipcmd[3] = 0x01; - reg_w(gspca_dev, 0x01, 0x0000, flipcmd, 8); + i2c_w(gspca_dev, flipcmd, sizeof flipcmd); } static void seteffect(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - reg_w(gspca_dev, 0x01, 0x0000, effects_table[sd->effect], 0x06); + i2c_w(gspca_dev, effects_table[sd->effect], sizeof effects_table[0]); if (sd->effect == 1 || sd->effect == 5) { PDEBUG(D_CONF, "This effect have been disabled for webcam \"safety\""); @@ -601,9 +666,9 @@ static void seteffect(struct gspca_dev *gspca_dev) } if (sd->effect == 1 || sd->effect == 4) - reg_w(gspca_dev, 0x00, 0x4aa6, NULL, 0); + reg_w(gspca_dev, 0x4aa6); else - reg_w(gspca_dev, 0x00, 0xfaa6, NULL, 0); + reg_w(gspca_dev, 0xfaa6); } static void setwhitebalance(struct gspca_dev *gspca_dev) @@ -616,7 +681,7 @@ static void setwhitebalance(struct gspca_dev *gspca_dev) if (sd->whitebalance == 1) white_balance[7] = 0x3c; - reg_w(gspca_dev, 0x01, 0x0000, white_balance, 8); + i2c_w(gspca_dev, white_balance, sizeof white_balance); } static void setlightfreq(struct gspca_dev *gspca_dev) @@ -627,21 +692,21 @@ static void setlightfreq(struct gspca_dev *gspca_dev) if (sd->freq == 2) /* 60hz */ freq[1] = 0x00; - reg_w(gspca_dev, 0x1, 0x0000, freq, 0x4); + i2c_w(gspca_dev, freq, sizeof freq); } static void setcontrast(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; unsigned int contrast = sd->contrast; - __u16 reg_to_write = 0x00; + __u16 reg_to_write; if (contrast < 7) reg_to_write = 0x8ea9 - (0x200 * contrast); else reg_to_write = (0x00a9 + ((contrast - 7) * 0x200)); - reg_w(gspca_dev, 0x00, reg_to_write, NULL, 0); + reg_w(gspca_dev, reg_to_write); } static void setcolors(struct gspca_dev *gspca_dev) @@ -650,11 +715,7 @@ static void setcolors(struct gspca_dev *gspca_dev) __u16 reg_to_write; reg_to_write = 0xc0bb + sd->colors * 0x100; - reg_w(gspca_dev, 0x00, reg_to_write, NULL, 0); -} - -static void setgamma(struct gspca_dev *gspca_dev) -{ + reg_w(gspca_dev, reg_to_write); } static void setsharpness(struct gspca_dev *gspca_dev) @@ -664,7 +725,99 @@ static void setsharpness(struct gspca_dev *gspca_dev) reg_to_write = 0x0aa6 + 0x1000 * sd->sharpness; - reg_w(gspca_dev, 0x00, reg_to_write, NULL, 0); + reg_w(gspca_dev, reg_to_write); +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int i, mode; + static const __u8 t1[] = { 0x66, 0x00, 0xa8, 0xe8 }; + __u8 t2[] = { 0x07, 0x00, 0x0d, 0x60, 0x0e, 0x80 }; + static const __u8 t3[] = + { 0xb3, 0x07, 0xb4, 0x00, 0xb5, 0x88, 0xb6, 0x02, 0xb7, 0x06, + 0xb8, 0x00, 0xb9, 0xe7, 0xba, 0x01 }; + static const __u8 t4[] = { 0x0b, 0x04, 0x0a, 0x40 }; + + mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode]. priv; + switch (mode) { + case 1: /* 352x288 */ + t2[1] = 0x40; + break; + case 2: /* 320x240 */ + t2[1] = 0x10; + break; + case 3: /* 176x144 */ + t2[1] = 0x50; + break; + case 4: /* 160x120 */ + t2[1] = 0x20; + break; + default: /* 640x480 (0x00) */ + break; + } + + if (sd->sensor == SENSOR_TAS5130A) { + i = 0; + while (tas5130a_sensor_init[i][0] != 0) { + i2c_w(gspca_dev, tas5130a_sensor_init[i], + sizeof tas5130a_sensor_init[0]); + i++; + } + reg_w(gspca_dev, 0x3c80); + /* just in case and to keep sync with logs (for mine) */ + i2c_w(gspca_dev, tas5130a_sensor_init[3], + sizeof tas5130a_sensor_init[0]); + reg_w(gspca_dev, 0x3c80); + } else { + other_sensor_init(gspca_dev); + } + /* just in case and to keep sync with logs (for mine) */ + i2c_w(gspca_dev, t1, sizeof t1); + i2c_w(gspca_dev, t2, sizeof t2); + reg_r(gspca_dev, 0x0012); + i2c_w(gspca_dev, t3, sizeof t3); + reg_w(gspca_dev, 0x0013); + i2c_w(gspca_dev, t4, sizeof t4); + /* restart on each start, just in case, sometimes regs goes wrong + * when using controls from app */ + setbrightness(gspca_dev); + setcontrast(gspca_dev); + setcolors(gspca_dev); + return 0; +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + struct gspca_frame *frame, /* target */ + __u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + static __u8 ffd9[] = { 0xff, 0xd9 }; + + if (data[0] == 0x5a) { + /* Control Packet, after this came the header again, + * but extra bytes came in the packet before this, + * sometimes an EOF arrives, sometimes not... */ + return; + } + data += 2; + len -= 2; + if (data[0] == 0xff && data[1] == 0xd8) { + /* extra bytes....., could be processed too but would be + * a waste of time, right now leave the application and + * libjpeg do it for ourserlves.. */ + frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, + ffd9, 2); + gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); + return; + } + + if (data[len - 2] == 0xff && data[len - 1] == 0xd9) { + /* Just in case, i have seen packets with the marker, + * other's do not include it... */ + len -= 2; + } + gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); } static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) @@ -788,6 +941,7 @@ static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val) static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; + *val = sd->gamma; return 0; } @@ -835,9 +989,9 @@ static int sd_setlowlight(struct gspca_dev *gspca_dev, __s32 val) sd->autogain = val; if (val != 0) - reg_w(gspca_dev, 0x00, 0xf48e, NULL, 0); + reg_w(gspca_dev, 0xf48e); else - reg_w(gspca_dev, 0x00, 0xb48e, NULL, 0); + reg_w(gspca_dev, 0xb48e); return 0; } @@ -849,100 +1003,6 @@ static int sd_getlowlight(struct gspca_dev *gspca_dev, __s32 *val) return 0; } -static int sd_start(struct gspca_dev *gspca_dev) -{ - int mode; - - static const __u8 t1[] = { 0x66, 0x00, 0xa8, 0xe8 }; - __u8 t2[] = { 0x07, 0x00, 0x0d, 0x60, 0x0e, 0x80 }; - static const __u8 t3[] = - { 0xb3, 0x07, 0xb4, 0x00, 0xb5, 0x88, 0xb6, 0x02, 0xb7, 0x06, - 0xb8, 0x00, 0xb9, 0xe7, 0xba, 0x01 }; - static const __u8 t4[] = { 0x0b, 0x04, 0x0a, 0x40 }; - - mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode]. priv; - switch (mode) { - case 1: /* 352x288 */ - t2[1] = 0x40; - break; - case 2: /* 320x240 */ - t2[1] = 0x10; - break; - case 3: /* 176x144 */ - t2[1] = 0x50; - break; - case 4: /* 160x120 */ - t2[1] = 0x20; - break; - default: /* 640x480 (0x00) */ - break; - } - - reg_w(gspca_dev, 0x01, 0x0000, tas5130a_sensor_init[0], 0x8); - reg_w(gspca_dev, 0x01, 0x0000, tas5130a_sensor_init[1], 0x8); - reg_w(gspca_dev, 0x01, 0x0000, tas5130a_sensor_init[2], 0x8); - reg_w(gspca_dev, 0x01, 0x0000, tas5130a_sensor_init[3], 0x8); - reg_w(gspca_dev, 0x00, 0x3c80, NULL, 0); - /* just in case and to keep sync with logs (for mine) */ - reg_w(gspca_dev, 0x01, 0x0000, tas5130a_sensor_init[3], 0x8); - reg_w(gspca_dev, 0x00, 0x3c80, NULL, 0); - /* just in case and to keep sync with logs (for mine) */ - reg_w(gspca_dev, 0x01, 0x0000, t1, 4); - reg_w(gspca_dev, 0x01, 0x0000, t2, 6); - reg_r_1(gspca_dev, 0x0012); - reg_w(gspca_dev, 0x01, 0x0000, t3, 0x10); - reg_w(gspca_dev, 0x00, 0x0013, NULL, 0); - reg_w(gspca_dev, 0x01, 0x0000, t4, 0x4); - /* restart on each start, just in case, sometimes regs goes wrong - * when using controls from app */ - setbrightness(gspca_dev); - setcontrast(gspca_dev); - setcolors(gspca_dev); - return 0; -} - -static void sd_pkt_scan(struct gspca_dev *gspca_dev, - struct gspca_frame *frame, /* target */ - __u8 *data, /* isoc packet */ - int len) /* iso packet length */ -{ - int sof = 0; - static __u8 ffd9[] = { 0xff, 0xd9 }; - - if (data[0] == 0x5a) { - /* Control Packet, after this came the header again, - * but extra bytes came in the packet before this, - * sometimes an EOF arrives, sometimes not... */ - return; - } - - if (data[len - 2] == 0xff && data[len - 1] == 0xd9) { - /* Just in case, i have seen packets with the marker, - * other's do not include it... */ - data += 2; - len -= 4; - } else if (data[2] == 0xff && data[3] == 0xd8) { - sof = 1; - data += 2; - len -= 2; - } else { - data += 2; - len -= 2; - } - - if (sof) { - /* extra bytes....., could be processed too but would be - * a waste of time, right now leave the application and - * libjpeg do it for ourserlves.. */ - frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, - ffd9, 2); - gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); - return; - } - - gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); -} - static int sd_querymenu(struct gspca_dev *gspca_dev, struct v4l2_querymenu *menu) { -- GitLab From f1918fa284afaa46201b9c20a7bbeacd8db0c977 Mon Sep 17 00:00:00 2001 From: Jean-Francois Moine Date: Thu, 9 Oct 2008 03:14:03 -0300 Subject: [PATCH 4006/6244] V4L/DVB (9126): gspca: Fix some compilation warnings in m5602. Signed-off-by: Jean-Francois Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/m5602/m5602_mt9m111.c | 2 +- drivers/media/video/gspca/m5602/m5602_ov9650.h | 4 +++- drivers/media/video/gspca/m5602/m5602_s5k4aa.h | 4 +++- 3 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c index ea2250217b07..566d4925a0e8 100644 --- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c +++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c @@ -69,7 +69,7 @@ sensor_found: int mt9m111_init(struct sd *sd) { - int i, err; + int i, err = 0; /* Init the sensor */ for (i = 0; i < ARRAY_SIZE(init_mt9m111); i++) { diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.h b/drivers/media/video/gspca/m5602/m5602_ov9650.h index 486ea337a8b4..2f29cb056f30 100644 --- a/drivers/media/video/gspca/m5602/m5602_ov9650.h +++ b/drivers/media/video/gspca/m5602/m5602_ov9650.h @@ -466,7 +466,9 @@ static const unsigned char power_down_ov9650[][3] = /* Vertically and horizontally flips the image if matched, needed for machines where the sensor is mounted upside down */ -static const struct dmi_system_id ov9650_flip_dmi_table[] = { +static + const + struct dmi_system_id ov9650_flip_dmi_table[] = { { .ident = "ASUS A6VC", .matches = { diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h index 1e4213a73214..bb7f7e3e90af 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h @@ -339,7 +339,9 @@ static const unsigned char init_s5k4aa[][4] = {SENSOR, S5K4AA_GAIN_2, 0xa0, 0x00} }; -static const struct dmi_system_id s5k4aa_vflip_dmi_table[] = { +static + const + struct dmi_system_id s5k4aa_vflip_dmi_table[] = { { .ident = "Fujitsu-Siemens Amilo Xa 2528", .matches = { -- GitLab From 9eee4fb69ecbe6a8a25378e801a3621ef0146fa3 Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 4 Oct 2008 20:28:40 -0300 Subject: [PATCH 4007/6244] V4L/DVB (9131): cx18: Add entries for the Leadtek PVR2100 and Toshiba Qosmio DVB-T/Analog cx18: Add entries for the Leadtek PVR2100 and Toshiba Qosmio DVB-T/Analog capture cards. Both cards are hybrids cards, but no digital capture functionality has been added yet. These entries are a first guess at the card entries to get analog working, given the information available. Terry Wu provided a pointer to information for the PVR2100. Martin Juhl , an owner of the Toshiba DVB-T/Analog tuner card, provided the DDR timing information from his Windows inf file. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-cards.c | 99 ++++++++++++++++++++++++++ drivers/media/video/cx18/cx18-driver.c | 2 + drivers/media/video/cx18/cx18-driver.h | 6 +- 3 files changed, 106 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c index 3cb9734ec07b..5efe01ebe9db 100644 --- a/drivers/media/video/cx18/cx18-cards.c +++ b/drivers/media/video/cx18/cx18-cards.c @@ -292,12 +292,111 @@ static const struct cx18_card cx18_card_cnxt_raptor_pal = { /* ------------------------------------------------------------------------- */ +/* Toshiba Qosmio laptop internal DVB-T/Analog Hybrid Tuner */ + +static const struct cx18_card_pci_info cx18_pci_toshiba_qosmio_dvbt[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_TOSHIBA, 0x0110 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_toshiba_qosmio_dvbt = { + .type = CX18_CARD_TOSHIBA_QOSMIO_DVBT, + .name = "Toshiba Qosmio DVB-T/Analog", + .comment = "Experimenters and photos needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_all = CX18_HW_TUNER, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE6 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + }, + .tuners = { + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .ddr = { + .chip_config = 0x202, + .refresh = 0x3bb, + .timing1 = 0x33320a63, + .timing2 = 0x0a, + .tune_lane = 0, + .initial_emrs = 0x42, + }, + .xceive_pin = 15, + .pci_list = cx18_pci_toshiba_qosmio_dvbt, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Leadtek WinFast PVR2100 */ + +static const struct cx18_card_pci_info cx18_pci_leadtek_pvr2100[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6f27 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_leadtek_pvr2100 = { + .type = CX18_CARD_LEADTEK_PVR2100, + .name = "Leadtek WinFast PVR2100", + .comment = "Experimenters and photos needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_CX23418, + .hw_muxer = CX18_HW_GPIO, + .hw_all = CX18_HW_TUNER | CX18_HW_GPIO, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE7 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + }, + .tuners = { + /* XC3028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, + .ddr = { + /* + * Pointer to proper DDR config values provided by + * Terry Wu + */ + .chip_config = 0x303, + .refresh = 0x3bb, + .timing1 = 0x24220e83, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 0x2, + }, + .gpio_init.initial_value = 0x6, + .gpio_init.direction = 0x7, + .gpio_audio_input = { .mask = 0x7, + .tuner = 0x6, .linein = 0x2, .radio = 0x2 }, + .xceive_pin = 15, + .pci_list = cx18_pci_leadtek_pvr2100, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + static const struct cx18_card *cx18_card_list[] = { &cx18_card_hvr1600_esmt, &cx18_card_hvr1600_samsung, &cx18_card_h900, &cx18_card_mpc718, &cx18_card_cnxt_raptor_pal, + &cx18_card_toshiba_qosmio_dvbt, + &cx18_card_leadtek_pvr2100, }; const struct cx18_card *cx18_get_card(u16 index) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index df5531709ae5..6bf9ac8c4e70 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -130,6 +130,8 @@ MODULE_PARM_DESC(cardtype, "\t\t\t 3 = Compro VideoMate H900\n" "\t\t\t 4 = Yuan MPC718\n" "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" + "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" + "\t\t\t 7 = Leadtek WinFast PVR2100\n" "\t\t\t 0 = Autodetect (default)\n" "\t\t\t-1 = Ignore this card\n\t\t"); MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 80f5f563d4fc..fa8be0731a3f 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -79,7 +79,9 @@ #define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ #define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ #define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ -#define CX18_CARD_LAST 4 +#define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ +#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ +#define CX18_CARD_LAST 6 #define CX18_ENC_STREAM_TYPE_MPG 0 #define CX18_ENC_STREAM_TYPE_TS 1 @@ -99,6 +101,8 @@ #define CX18_PCI_ID_COMPRO 0x185b #define CX18_PCI_ID_YUAN 0x12ab #define CX18_PCI_ID_CONEXANT 0x14f1 +#define CX18_PCI_ID_TOSHIBA 0x1179 +#define CX18_PCI_ID_LEADTEK 0x107D /* ======================================================================== */ /* ========================== START USER SETTABLE DMA VARIABLES =========== */ -- GitLab From e86a93dc3c870c412592c1f298c1425d80c58c6e Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 4 Oct 2008 19:09:41 -0300 Subject: [PATCH 4008/6244] V4L/DVB (9132): cx18: Fix warning message for DMA done notification for inactive stream. cx18: Fix warning message for DMA done notification for inactive stream. The warning message would always gripe that the radio stream was to blame, which was misleading and wrong (/dev/radioN nodes never transfer data). Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c index 55a50a2b048d..360330f5463f 100644 --- a/drivers/media/video/cx18/cx18-irq.c +++ b/drivers/media/video/cx18/cx18-irq.c @@ -49,8 +49,8 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) break; } if (i == CX18_MAX_STREAMS) { - CX18_WARN("DMA done for unknown handle %d for stream %s\n", - handle, s->name); + CX18_WARN("Got DMA done notification for unknown/inactive" + " handle %d\n", handle); mb->error = CXERR_NOT_OPEN; mb->cmd = 0; cx18_mb_ack(cx, mb); -- GitLab From dd89601d47e2eeab7c17b25f2549444751bcffe4 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 4 Oct 2008 08:36:54 -0300 Subject: [PATCH 4009/6244] V4L/DVB (9133): v4l: disconnect kernel number from minor The v4l core creates four different video devices (video, vbi, radio, vtx) and each has its own range of minor numbers. However, modern devices keep increasing the number of devices that they need so a maximum of 64 video devices will not be enough in the future. In addition this scheme makes it very hard to add new device types. This patch disconnects the kernel number allocation (e.g. video0, video1, etc.) from the actual minor number (just pick the first free minor). This allows for much more flexibility in the future. However, it does require the use of udev. For those who cannot use udev a new CONFIG option was created that changes the allocation scheme back to the old behavior. Thanks to Greg KH for suggesting this approach during the 2008 LPC. In addition, several bugs were fixed in the ivtv and cx18 drivers: these drivers try to allocate specific kernel numbers but that scheme contained a bug which caused what should have been e.g. video17 to appear as e.g. video2. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 9 +++ drivers/media/video/cx18/cx18-driver.c | 4 +- drivers/media/video/cx18/cx18-streams.c | 41 +++++----- drivers/media/video/em28xx/em28xx-video.c | 8 +- drivers/media/video/ivtv/ivtv-driver.c | 6 +- drivers/media/video/ivtv/ivtv-streams.c | 40 +++++----- drivers/media/video/v4l2-dev.c | 96 +++++++++++++++-------- include/media/v4l2-dev.h | 12 +-- 8 files changed, 128 insertions(+), 88 deletions(-) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index e28e292fe202..2dce16f863bb 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -72,6 +72,15 @@ config VIDEO_ADV_DEBUG V4L devices. In doubt, say N. +config VIDEO_FIXED_MINOR_RANGES + bool "Enable old-style fixed minor ranges for video devices" + default n + ---help--- + Say Y here to enable the old-style fixed-range minor assignments. + Only useful if you rely on the old behavior and use mknod instead of udev. + + When in doubt, say N. + config VIDEO_HELPER_CHIPS_AUTO bool "Autoselect pertinent encoders/decoders and other helper chips" default y diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 6bf9ac8c4e70..085121c2b47f 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -175,7 +175,7 @@ MODULE_PARM_DESC(enc_pcm_buffers, "Encoder PCM buffers (in MB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); -MODULE_PARM_DESC(cx18_first_minor, "Set minor assigned to first card"); +MODULE_PARM_DESC(cx18_first_minor, "Set kernel number assigned to first card"); MODULE_AUTHOR("Hans Verkuil"); MODULE_DESCRIPTION("CX23418 driver"); @@ -959,7 +959,7 @@ static int module_start(void) /* Validate parameters */ if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { - printk(KERN_ERR "cx18: Exiting, ivtv_first_minor must be between 0 and %d\n", + printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n", CX18_MAX_CARDS - 1); return -1; } diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index c752a6a4dbd3..0c8e7542cf60 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -57,7 +57,7 @@ static struct file_operations cx18_v4l2_enc_fops = { static struct { const char *name; int vfl_type; - int minor_offset; + int num_offset; int dma; enum v4l2_buf_type buf_type; struct file_operations *fops; @@ -144,8 +144,8 @@ static int cx18_prep_dev(struct cx18 *cx, int type) { struct cx18_stream *s = &cx->streams[type]; u32 cap = cx->v4l2_cap; - int minor_offset = cx18_stream_info[type].minor_offset; - int minor; + int num_offset = cx18_stream_info[type].num_offset; + int num = cx->num + cx18_first_minor + num_offset; /* These four fields are always initialized. If v4l2dev == NULL, then this stream is not in use. In that case no other fields but these @@ -164,9 +164,6 @@ static int cx18_prep_dev(struct cx18 *cx, int type) !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) return 0; - /* card number + user defined offset + device offset */ - minor = cx->num + cx18_first_minor + minor_offset; - /* User explicitly selected 0 buffers for these streams, so don't create them. */ if (cx18_stream_info[type].dma != PCI_DMA_NONE && @@ -177,7 +174,7 @@ static int cx18_prep_dev(struct cx18 *cx, int type) cx18_stream_init(cx, type); - if (minor_offset == -1) + if (num_offset == -1) return 0; /* allocate and initialize the v4l2 video device structure */ @@ -191,7 +188,7 @@ static int cx18_prep_dev(struct cx18 *cx, int type) snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d", cx->num); - s->v4l2dev->minor = minor; + s->v4l2dev->num = num; s->v4l2dev->parent = &cx->dev->dev; s->v4l2dev->fops = cx18_stream_info[type].fops; s->v4l2dev->release = video_device_release; @@ -227,7 +224,7 @@ static int cx18_reg_dev(struct cx18 *cx, int type) { struct cx18_stream *s = &cx->streams[type]; int vfl_type = cx18_stream_info[type].vfl_type; - int minor; + int num; /* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something? * We need a VFL_TYPE_TS defined. @@ -245,38 +242,44 @@ static int cx18_reg_dev(struct cx18 *cx, int type) if (s->v4l2dev == NULL) return 0; - minor = s->v4l2dev->minor; + num = s->v4l2dev->num; + /* card number + user defined offset + device offset */ + if (type != CX18_ENC_STREAM_TYPE_MPG) { + struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; + + if (s_mpg->v4l2dev) + num = s_mpg->v4l2dev->num + cx18_stream_info[type].num_offset; + } /* Register device. First try the desired minor, then any free one. */ - if (video_register_device(s->v4l2dev, vfl_type, minor) && - video_register_device(s->v4l2dev, vfl_type, -1)) { - CX18_ERR("Couldn't register v4l2 device for %s minor %d\n", - s->name, minor); + if (video_register_device(s->v4l2dev, vfl_type, num)) { + CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", + s->name, num); video_device_release(s->v4l2dev); s->v4l2dev = NULL; return -ENOMEM; } - minor = s->v4l2dev->minor; + num = s->v4l2dev->num; switch (vfl_type) { case VFL_TYPE_GRABBER: CX18_INFO("Registered device video%d for %s (%d MB)\n", - minor, s->name, cx->options.megabytes[type]); + num, s->name, cx->options.megabytes[type]); break; case VFL_TYPE_RADIO: CX18_INFO("Registered device radio%d for %s\n", - minor - MINOR_VFL_TYPE_RADIO_MIN, s->name); + num, s->name); break; case VFL_TYPE_VBI: if (cx->options.megabytes[type]) CX18_INFO("Registered device vbi%d for %s (%d MB)\n", - minor - MINOR_VFL_TYPE_VBI_MIN, + num, s->name, cx->options.megabytes[type]); else CX18_INFO("Registered device vbi%d for %s\n", - minor - MINOR_VFL_TYPE_VBI_MIN, s->name); + num, s->name); break; } diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 50d2c7a9b3c1..c53649e5315b 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1600,8 +1600,7 @@ static void em28xx_release_resources(struct em28xx *dev) /*FIXME: I2C IR should be disconnected */ em28xx_info("V4L2 devices /dev/video%d and /dev/vbi%d deregistered\n", - dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN, - dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN); + dev->vdev->num, dev->vbi_dev->num); list_del(&dev->devlist); if (dev->sbutton_input_dev) em28xx_deregister_snapshot_button(dev); @@ -2073,8 +2072,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, video_mux(dev, 0); em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", - dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN, - dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN); + dev->vdev->num, dev->vbi_dev->num); mutex_lock(&em28xx_extension_devlist_lock); if (!list_empty(&em28xx_extension_devlist)) { @@ -2274,7 +2272,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) em28xx_warn ("device /dev/video%d is open! Deregistration and memory " "deallocation are deferred on close.\n", - dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN); + dev->vdev->num); dev->state |= DEV_MISCONFIGURED; em28xx_uninit_isoc(dev); diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 6b04930d1278..7aa61b617496 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -61,14 +61,14 @@ #include "tuner-xc2028.h" /* var to keep track of the number of array elements in use */ -int ivtv_cards_active = 0; +int ivtv_cards_active; /* If you have already X v4l cards, then set this to X. This way the device numbers stay matched. Example: you have a WinTV card without radio and a PVR-350 with. Normally this would give a video1 device together with a radio0 device for the PVR. By setting this to 1 you ensure that radio0 is now also radio1. */ -int ivtv_first_minor = 0; +int ivtv_first_minor; /* Master variable for all ivtv info */ struct ivtv *ivtv_cards[IVTV_MAX_CARDS]; @@ -251,7 +251,7 @@ MODULE_PARM_DESC(newi2c, "\t\t\t-1 is autodetect, 0 is off, 1 is on\n" "\t\t\tDefault is autodetect"); -MODULE_PARM_DESC(ivtv_first_minor, "Set minor assigned to first card"); +MODULE_PARM_DESC(ivtv_first_minor, "Set kernel number assigned to first card"); MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil"); MODULE_DESCRIPTION("CX23415/CX23416 driver"); diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 730e85d86fc8..24273fbea470 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -75,7 +75,7 @@ static const struct file_operations ivtv_v4l2_dec_fops = { static struct { const char *name; int vfl_type; - int minor_offset; + int num_offset; int dma, pio; enum v4l2_buf_type buf_type; const struct file_operations *fops; @@ -171,8 +171,8 @@ static void ivtv_stream_init(struct ivtv *itv, int type) static int ivtv_prep_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; - int minor_offset = ivtv_stream_info[type].minor_offset; - int minor; + int num_offset = ivtv_stream_info[type].num_offset; + int num = itv->num + ivtv_first_minor + num_offset; /* These four fields are always initialized. If v4l2dev == NULL, then this stream is not in use. In that case no other fields but these @@ -188,9 +188,6 @@ static int ivtv_prep_dev(struct ivtv *itv, int type) if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return 0; - /* card number + user defined offset + device offset */ - minor = itv->num + ivtv_first_minor + minor_offset; - /* User explicitly selected 0 buffers for these streams, so don't create them. */ if (ivtv_stream_info[type].dma != PCI_DMA_NONE && @@ -211,7 +208,7 @@ static int ivtv_prep_dev(struct ivtv *itv, int type) snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "ivtv%d %s", itv->num, s->name); - s->v4l2dev->minor = minor; + s->v4l2dev->num = num; s->v4l2dev->parent = &itv->dev->dev; s->v4l2dev->fops = ivtv_stream_info[type].fops; s->v4l2dev->release = video_device_release; @@ -250,39 +247,46 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; int vfl_type = ivtv_stream_info[type].vfl_type; - int minor; + int num; if (s->v4l2dev == NULL) return 0; - minor = s->v4l2dev->minor; + num = s->v4l2dev->num; + /* card number + user defined offset + device offset */ + if (type != IVTV_ENC_STREAM_TYPE_MPG) { + struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG]; + + if (s_mpg->v4l2dev) + num = s_mpg->v4l2dev->num + ivtv_stream_info[type].num_offset; + } + /* Register device. First try the desired minor, then any free one. */ - if (video_register_device(s->v4l2dev, vfl_type, minor) && - video_register_device(s->v4l2dev, vfl_type, -1)) { - IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", - s->name, minor); + if (video_register_device(s->v4l2dev, vfl_type, num)) { + IVTV_ERR("Couldn't register v4l2 device for %s kernel number %d\n", + s->name, num); video_device_release(s->v4l2dev); s->v4l2dev = NULL; return -ENOMEM; } + num = s->v4l2dev->num; switch (vfl_type) { case VFL_TYPE_GRABBER: IVTV_INFO("Registered device video%d for %s (%d kB)\n", - s->v4l2dev->minor, s->name, itv->options.kilobytes[type]); + num, s->name, itv->options.kilobytes[type]); break; case VFL_TYPE_RADIO: IVTV_INFO("Registered device radio%d for %s\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_RADIO_MIN, s->name); + num, s->name); break; case VFL_TYPE_VBI: if (itv->options.kilobytes[type]) IVTV_INFO("Registered device vbi%d for %s (%d kB)\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, - s->name, itv->options.kilobytes[type]); + num, s->name, itv->options.kilobytes[type]); else IVTV_INFO("Registered device vbi%d for %s\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, s->name); + num, s->name); break; } return 0; diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 7addf2fd55de..ccd6566a515e 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -65,6 +65,7 @@ static struct device_attribute video_device_attrs[] = { */ static struct video_device *video_device[VIDEO_NUM_DEVICES]; static DEFINE_MUTEX(videodev_lock); +static DECLARE_BITMAP(video_nums[VFL_TYPE_MAX], VIDEO_NUM_DEVICES); struct video_device *video_device_alloc(void) { @@ -99,6 +100,7 @@ static void v4l2_chardev_release(struct kobject *kobj) /* Free up this device for reuse */ video_device[vfd->minor] = NULL; + clear_bit(vfd->num, video_nums[vfd->vfl_type]); mutex_unlock(&videodev_lock); /* Release the character device */ @@ -217,10 +219,10 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, int index) { int i = 0; - int base; - int end; int ret; - char *name_base; + int minor_offset = 0; + int minor_cnt = VIDEO_NUM_DEVICES; + const char *name_base; void *priv = video_get_drvdata(vfd); /* the release callback MUST be present */ @@ -231,23 +233,15 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, switch (type) { case VFL_TYPE_GRABBER: - base = MINOR_VFL_TYPE_GRABBER_MIN; - end = MINOR_VFL_TYPE_GRABBER_MAX+1; name_base = "video"; break; case VFL_TYPE_VTX: - base = MINOR_VFL_TYPE_VTX_MIN; - end = MINOR_VFL_TYPE_VTX_MAX+1; name_base = "vtx"; break; case VFL_TYPE_VBI: - base = MINOR_VFL_TYPE_VBI_MIN; - end = MINOR_VFL_TYPE_VBI_MAX+1; name_base = "vbi"; break; case VFL_TYPE_RADIO: - base = MINOR_VFL_TYPE_RADIO_MIN; - end = MINOR_VFL_TYPE_RADIO_MAX+1; name_base = "radio"; break; default: @@ -256,31 +250,70 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, return -EINVAL; } + vfd->vfl_type = type; + +#ifdef CONFIG_VIDEO_FIXED_MINOR_RANGES + /* Keep the ranges for the first four types for historical + * reasons. + * Newer devices (not yet in place) should use the range + * of 128-191 and just pick the first free minor there + * (new style). */ + switch (type) { + case VFL_TYPE_GRABBER: + minor_offset = 0; + minor_cnt = 64; + break; + case VFL_TYPE_RADIO: + minor_offset = 64; + minor_cnt = 64; + break; + case VFL_TYPE_VTX: + minor_offset = 192; + minor_cnt = 32; + break; + case VFL_TYPE_VBI: + minor_offset = 224; + minor_cnt = 32; + break; + default: + minor_offset = 128; + minor_cnt = 64; + break; + } +#endif + /* Initialize the character device */ cdev_init(&vfd->cdev, vfd->fops); vfd->cdev.owner = vfd->fops->owner; /* pick a minor number */ mutex_lock(&videodev_lock); - if (nr >= 0 && nr < end-base) { - /* use the one the driver asked for */ - i = base + nr; - if (NULL != video_device[i]) { - mutex_unlock(&videodev_lock); - return -ENFILE; - } - } else { - /* use first free */ - for (i = base; i < end; i++) - if (NULL == video_device[i]) - break; - if (i == end) { - mutex_unlock(&videodev_lock); - return -ENFILE; - } + nr = find_next_zero_bit(video_nums[type], minor_cnt, nr == -1 ? 0 : nr); + if (nr == minor_cnt) + nr = find_first_zero_bit(video_nums[type], minor_cnt); + if (nr == minor_cnt) { + printk(KERN_ERR "could not get a free kernel number\n"); + mutex_unlock(&videodev_lock); + return -ENFILE; } - video_device[i] = vfd; - vfd->vfl_type = type; - vfd->minor = i; +#ifdef CONFIG_VIDEO_FIXED_MINOR_RANGES + /* 1-on-1 mapping of kernel number to minor number */ + i = nr; +#else + /* The kernel number and minor numbers are independent */ + for (i = 0; i < VIDEO_NUM_DEVICES; i++) + if (video_device[i] == NULL) + break; + if (i == VIDEO_NUM_DEVICES) { + mutex_unlock(&videodev_lock); + printk(KERN_ERR "could not get a free minor\n"); + return -ENFILE; + } +#endif + vfd->minor = i + minor_offset; + vfd->num = nr; + set_bit(nr, video_nums[type]); + BUG_ON(video_device[vfd->minor]); + video_device[vfd->minor] = vfd; ret = get_index(vfd, index); vfd->index = ret; @@ -306,7 +339,7 @@ int video_register_device_index(struct video_device *vfd, int type, int nr, vfd->dev.devt = MKDEV(VIDEO_MAJOR, vfd->minor); if (vfd->parent) vfd->dev.parent = vfd->parent; - sprintf(vfd->dev.bus_id, "%s%d", name_base, i - base); + sprintf(vfd->dev.bus_id, "%s%d", name_base, nr); ret = device_register(&vfd->dev); if (ret < 0) { printk(KERN_ERR "%s: device_register failed\n", __func__); @@ -324,6 +357,7 @@ del_cdev: fail_minor: mutex_lock(&videodev_lock); video_device[vfd->minor] = NULL; + clear_bit(vfd->num, video_nums[type]); mutex_unlock(&videodev_lock); vfd->minor = -1; return ret; diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index d129b56e1a9f..a0a6b41c5e09 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -18,20 +18,11 @@ #define VIDEO_MAJOR 81 -/* Minor device allocation */ -#define MINOR_VFL_TYPE_GRABBER_MIN 0 -#define MINOR_VFL_TYPE_GRABBER_MAX 63 -#define MINOR_VFL_TYPE_RADIO_MIN 64 -#define MINOR_VFL_TYPE_RADIO_MAX 127 -#define MINOR_VFL_TYPE_VTX_MIN 192 -#define MINOR_VFL_TYPE_VTX_MAX 223 -#define MINOR_VFL_TYPE_VBI_MIN 224 -#define MINOR_VFL_TYPE_VBI_MAX 255 - #define VFL_TYPE_GRABBER 0 #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 #define VFL_TYPE_VTX 3 +#define VFL_TYPE_MAX 4 struct v4l2_ioctl_callbacks; @@ -56,6 +47,7 @@ struct video_device char name[32]; int vfl_type; int minor; + u16 num; /* attribute to differentiate multiple indices on one physical device */ int index; -- GitLab From 19c309e383610453604092473287f77233f31e90 Mon Sep 17 00:00:00 2001 From: Tim Farrington Date: Sat, 11 Oct 2008 12:44:38 -0300 Subject: [PATCH 4010/6244] V4L/DVB (9135): cx88 Dvico FusionHDTV Pro Well, one thing you encouraged me to do was re-test some of my cards which contained the xc3028-zarlink combo. Which led me to test a Dvico FusionHDTV Pro. Almost a year ago, Chris Pascoe did a patch for this which can be found at his ~pascoe/xc-test at Linuxtv. This worked very well, however that was using his version of firmware. Alas, someone attempted to use this and patch v4l-dvb, and messed it up. So I've fixed it. I enclose the patch against today's tree (containing your latest tuner-xc2028.c patch). The card now works very well, well with DVB-T anyway. Signed-off-by: Tim Farrington Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-cards.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 369ba69cd0b4..a9e52decb6f9 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1581,9 +1581,9 @@ static const struct cx88_board cx88_boards[] = { }, [CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO] = { .name = "DViCO FusionHDTV DVB-T PRO", - .tuner_type = TUNER_ABSENT, /* XXX: Has XC3028 */ + .tuner_type = TUNER_XC2028, + .tuner_addr = 0x61, .radio_type = UNSET, - .tuner_addr = ADDR_UNSET, .radio_addr = ADDR_UNSET, .input = { { .type = CX88_VMUX_COMPOSITE1, @@ -2671,7 +2671,7 @@ void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl) core->i2c_algo.udelay = 16; break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO: - ctl->scode_table = XC3028_FE_ZARLINK456; + ctl->demod = XC3028_FE_ZARLINK456; break; case CX88_BOARD_KWORLD_ATSC_120: case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: -- GitLab From 45d011031d745d2c9a21c21d289428cb7f88a2d0 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 9 Oct 2008 05:51:22 -0300 Subject: [PATCH 4011/6244] V4L/DVB (9129): zoran: move zoran sources into a zoran subdirectory Prevent the zoran driver sources from cluttering the video directory. This changeset only moves the drivers and it does not fix any of the checkpatch warnings/errors to keep the changeset clean. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/Kconfig | 74 +------------------ drivers/media/video/Makefile | 6 +- drivers/media/video/zoran/Kconfig | 73 ++++++++++++++++++ drivers/media/video/zoran/Makefile | 6 ++ drivers/media/video/{ => zoran}/videocodec.c | 0 drivers/media/video/{ => zoran}/videocodec.h | 0 drivers/media/video/{ => zoran}/zoran.h | 0 drivers/media/video/{ => zoran}/zoran_card.c | 0 drivers/media/video/{ => zoran}/zoran_card.h | 0 .../media/video/{ => zoran}/zoran_device.c | 0 .../media/video/{ => zoran}/zoran_device.h | 0 .../media/video/{ => zoran}/zoran_driver.c | 0 .../media/video/{ => zoran}/zoran_procfs.c | 0 .../media/video/{ => zoran}/zoran_procfs.h | 0 drivers/media/video/{ => zoran}/zr36016.c | 0 drivers/media/video/{ => zoran}/zr36016.h | 0 drivers/media/video/{ => zoran}/zr36050.c | 0 drivers/media/video/{ => zoran}/zr36050.h | 0 drivers/media/video/{ => zoran}/zr36057.h | 0 drivers/media/video/{ => zoran}/zr36060.c | 0 drivers/media/video/{ => zoran}/zr36060.h | 0 21 files changed, 81 insertions(+), 78 deletions(-) create mode 100644 drivers/media/video/zoran/Kconfig create mode 100644 drivers/media/video/zoran/Makefile rename drivers/media/video/{ => zoran}/videocodec.c (100%) rename drivers/media/video/{ => zoran}/videocodec.h (100%) rename drivers/media/video/{ => zoran}/zoran.h (100%) rename drivers/media/video/{ => zoran}/zoran_card.c (100%) rename drivers/media/video/{ => zoran}/zoran_card.h (100%) rename drivers/media/video/{ => zoran}/zoran_device.c (100%) rename drivers/media/video/{ => zoran}/zoran_device.h (100%) rename drivers/media/video/{ => zoran}/zoran_driver.c (100%) rename drivers/media/video/{ => zoran}/zoran_procfs.c (100%) rename drivers/media/video/{ => zoran}/zoran_procfs.h (100%) rename drivers/media/video/{ => zoran}/zr36016.c (100%) rename drivers/media/video/{ => zoran}/zr36016.h (100%) rename drivers/media/video/{ => zoran}/zr36050.c (100%) rename drivers/media/video/{ => zoran}/zr36050.h (100%) rename drivers/media/video/{ => zoran}/zr36057.h (100%) rename drivers/media/video/{ => zoran}/zr36060.c (100%) rename drivers/media/video/{ => zoran}/zr36060.h (100%) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index 2dce16f863bb..47102c2c8250 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -605,79 +605,7 @@ config VIDEO_STRADIS driver for PCI. There is a product page at . -config VIDEO_ZORAN - tristate "Zoran ZR36057/36067 Video For Linux" - depends on PCI && I2C_ALGOBIT && VIDEO_V4L1 && VIRT_TO_BUS - help - Say Y for support for MJPEG capture cards based on the Zoran - 36057/36067 PCI controller chipset. This includes the Iomega - Buz, Pinnacle DC10+ and the Linux Media Labs LML33. There is - a driver homepage at . For - more information, check . - - To compile this driver as a module, choose M here: the - module will be called zr36067. - -config VIDEO_ZORAN_DC30 - tristate "Pinnacle/Miro DC30(+) support" - depends on VIDEO_ZORAN - select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_VPX3220 if VIDEO_HELPER_CHIPS_AUTO - help - Support for the Pinnacle/Miro DC30(+) MJPEG capture/playback - card. This also supports really old DC10 cards based on the - zr36050 MJPEG codec and zr36016 VFE. - -config VIDEO_ZORAN_ZR36060 - tristate "Zoran ZR36060" - depends on VIDEO_ZORAN - help - Say Y to support Zoran boards based on 36060 chips. - This includes Iomega Buz, Pinnacle DC10, Linux media Labs 33 - and 33 R10 and AverMedia 6 boards. - -config VIDEO_ZORAN_BUZ - tristate "Iomega Buz support" - depends on VIDEO_ZORAN_ZR36060 - select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_SAA7185 if VIDEO_HELPER_CHIPS_AUTO - help - Support for the Iomega Buz MJPEG capture/playback card. - -config VIDEO_ZORAN_DC10 - tristate "Pinnacle/Miro DC10(+) support" - depends on VIDEO_ZORAN_ZR36060 - select VIDEO_SAA7110 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO - help - Support for the Pinnacle/Miro DC10(+) MJPEG capture/playback - card. - -config VIDEO_ZORAN_LML33 - tristate "Linux Media Labs LML33 support" - depends on VIDEO_ZORAN_ZR36060 - select VIDEO_BT819 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO - help - Support for the Linux Media Labs LML33 MJPEG capture/playback - card. - -config VIDEO_ZORAN_LML33R10 - tristate "Linux Media Labs LML33R10 support" - depends on VIDEO_ZORAN_ZR36060 - select VIDEO_SAA7114 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_ADV7170 if VIDEO_HELPER_CHIPS_AUTO - help - support for the Linux Media Labs LML33R10 MJPEG capture/playback - card. - -config VIDEO_ZORAN_AVS6EYES - tristate "AverMedia 6 Eyes support (EXPERIMENTAL)" - depends on VIDEO_ZORAN_ZR36060 && EXPERIMENTAL && VIDEO_V4L1 - select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO - select VIDEO_KS0127 if VIDEO_HELPER_CHIPS_AUTO - help - Support for the AverMedia 6 Eyes video surveillance card. +source "drivers/media/video/zoran/Kconfig" config VIDEO_MEYE tristate "Sony Vaio Picturebook Motion Eye Video For Linux" diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 28e325725302..16962f3aa157 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile @@ -2,8 +2,6 @@ # Makefile for the video capture/playback device drivers. # -zr36067-objs := zoran_procfs.o zoran_device.o \ - zoran_driver.o zoran_card.o tuner-objs := tuner-core.o msp3400-objs := msp3400-driver.o msp3400-kthreads.o @@ -54,9 +52,7 @@ obj-$(CONFIG_VIDEO_BT856) += bt856.o obj-$(CONFIG_VIDEO_BT866) += bt866.o obj-$(CONFIG_VIDEO_KS0127) += ks0127.o -obj-$(CONFIG_VIDEO_ZORAN) += zr36067.o videocodec.o -obj-$(CONFIG_VIDEO_ZORAN_DC30) += zr36050.o zr36016.o -obj-$(CONFIG_VIDEO_ZORAN_ZR36060) += zr36060.o +obj-$(CONFIG_VIDEO_ZORAN) += zoran/ obj-$(CONFIG_VIDEO_PMS) += pms.o obj-$(CONFIG_VIDEO_VINO) += vino.o indycam.o diff --git a/drivers/media/video/zoran/Kconfig b/drivers/media/video/zoran/Kconfig new file mode 100644 index 000000000000..4ea5fa71de89 --- /dev/null +++ b/drivers/media/video/zoran/Kconfig @@ -0,0 +1,73 @@ +config VIDEO_ZORAN + tristate "Zoran ZR36057/36067 Video For Linux" + depends on PCI && I2C_ALGOBIT && VIDEO_V4L1 && VIRT_TO_BUS + help + Say Y for support for MJPEG capture cards based on the Zoran + 36057/36067 PCI controller chipset. This includes the Iomega + Buz, Pinnacle DC10+ and the Linux Media Labs LML33. There is + a driver homepage at . For + more information, check . + + To compile this driver as a module, choose M here: the + module will be called zr36067. + +config VIDEO_ZORAN_DC30 + tristate "Pinnacle/Miro DC30(+) support" + depends on VIDEO_ZORAN + select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_VPX3220 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Pinnacle/Miro DC30(+) MJPEG capture/playback + card. This also supports really old DC10 cards based on the + zr36050 MJPEG codec and zr36016 VFE. + +config VIDEO_ZORAN_ZR36060 + tristate "Zoran ZR36060" + depends on VIDEO_ZORAN + help + Say Y to support Zoran boards based on 36060 chips. + This includes Iomega Buz, Pinnacle DC10, Linux media Labs 33 + and 33 R10 and AverMedia 6 boards. + +config VIDEO_ZORAN_BUZ + tristate "Iomega Buz support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7111 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_SAA7185 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Iomega Buz MJPEG capture/playback card. + +config VIDEO_ZORAN_DC10 + tristate "Pinnacle/Miro DC10(+) support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7110 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_ADV7175 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Pinnacle/Miro DC10(+) MJPEG capture/playback + card. + +config VIDEO_ZORAN_LML33 + tristate "Linux Media Labs LML33 support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_BT819 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the Linux Media Labs LML33 MJPEG capture/playback + card. + +config VIDEO_ZORAN_LML33R10 + tristate "Linux Media Labs LML33R10 support" + depends on VIDEO_ZORAN_ZR36060 + select VIDEO_SAA7114 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_ADV7170 if VIDEO_HELPER_CHIPS_AUTO + help + support for the Linux Media Labs LML33R10 MJPEG capture/playback + card. + +config VIDEO_ZORAN_AVS6EYES + tristate "AverMedia 6 Eyes support (EXPERIMENTAL)" + depends on VIDEO_ZORAN_ZR36060 && EXPERIMENTAL && VIDEO_V4L1 + select VIDEO_BT856 if VIDEO_HELPER_CHIPS_AUTO + select VIDEO_KS0127 if VIDEO_HELPER_CHIPS_AUTO + help + Support for the AverMedia 6 Eyes video surveillance card. diff --git a/drivers/media/video/zoran/Makefile b/drivers/media/video/zoran/Makefile new file mode 100644 index 000000000000..44cc13352c88 --- /dev/null +++ b/drivers/media/video/zoran/Makefile @@ -0,0 +1,6 @@ +zr36067-objs := zoran_procfs.o zoran_device.o \ + zoran_driver.o zoran_card.o + +obj-$(CONFIG_VIDEO_ZORAN) += zr36067.o videocodec.o +obj-$(CONFIG_VIDEO_ZORAN_DC30) += zr36050.o zr36016.o +obj-$(CONFIG_VIDEO_ZORAN_ZR36060) += zr36060.o diff --git a/drivers/media/video/videocodec.c b/drivers/media/video/zoran/videocodec.c similarity index 100% rename from drivers/media/video/videocodec.c rename to drivers/media/video/zoran/videocodec.c diff --git a/drivers/media/video/videocodec.h b/drivers/media/video/zoran/videocodec.h similarity index 100% rename from drivers/media/video/videocodec.h rename to drivers/media/video/zoran/videocodec.h diff --git a/drivers/media/video/zoran.h b/drivers/media/video/zoran/zoran.h similarity index 100% rename from drivers/media/video/zoran.h rename to drivers/media/video/zoran/zoran.h diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran/zoran_card.c similarity index 100% rename from drivers/media/video/zoran_card.c rename to drivers/media/video/zoran/zoran_card.c diff --git a/drivers/media/video/zoran_card.h b/drivers/media/video/zoran/zoran_card.h similarity index 100% rename from drivers/media/video/zoran_card.h rename to drivers/media/video/zoran/zoran_card.h diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran/zoran_device.c similarity index 100% rename from drivers/media/video/zoran_device.c rename to drivers/media/video/zoran/zoran_device.c diff --git a/drivers/media/video/zoran_device.h b/drivers/media/video/zoran/zoran_device.h similarity index 100% rename from drivers/media/video/zoran_device.h rename to drivers/media/video/zoran/zoran_device.h diff --git a/drivers/media/video/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c similarity index 100% rename from drivers/media/video/zoran_driver.c rename to drivers/media/video/zoran/zoran_driver.c diff --git a/drivers/media/video/zoran_procfs.c b/drivers/media/video/zoran/zoran_procfs.c similarity index 100% rename from drivers/media/video/zoran_procfs.c rename to drivers/media/video/zoran/zoran_procfs.c diff --git a/drivers/media/video/zoran_procfs.h b/drivers/media/video/zoran/zoran_procfs.h similarity index 100% rename from drivers/media/video/zoran_procfs.h rename to drivers/media/video/zoran/zoran_procfs.h diff --git a/drivers/media/video/zr36016.c b/drivers/media/video/zoran/zr36016.c similarity index 100% rename from drivers/media/video/zr36016.c rename to drivers/media/video/zoran/zr36016.c diff --git a/drivers/media/video/zr36016.h b/drivers/media/video/zoran/zr36016.h similarity index 100% rename from drivers/media/video/zr36016.h rename to drivers/media/video/zoran/zr36016.h diff --git a/drivers/media/video/zr36050.c b/drivers/media/video/zoran/zr36050.c similarity index 100% rename from drivers/media/video/zr36050.c rename to drivers/media/video/zoran/zr36050.c diff --git a/drivers/media/video/zr36050.h b/drivers/media/video/zoran/zr36050.h similarity index 100% rename from drivers/media/video/zr36050.h rename to drivers/media/video/zoran/zr36050.h diff --git a/drivers/media/video/zr36057.h b/drivers/media/video/zoran/zr36057.h similarity index 100% rename from drivers/media/video/zr36057.h rename to drivers/media/video/zoran/zr36057.h diff --git a/drivers/media/video/zr36060.c b/drivers/media/video/zoran/zr36060.c similarity index 100% rename from drivers/media/video/zr36060.c rename to drivers/media/video/zoran/zr36060.c diff --git a/drivers/media/video/zr36060.h b/drivers/media/video/zoran/zr36060.h similarity index 100% rename from drivers/media/video/zr36060.h rename to drivers/media/video/zoran/zr36060.h -- GitLab From 46eaa6702016e3ac9a188172a2c309d6ca1be1cd Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 15:06:29 +0200 Subject: [PATCH 4012/6244] x86: memory corruption check - cleanup Move the prototypes from the generic kernel.h header to the more appropriate include/asm-x86/bios_ebda.h header file. Also, remove the check from the power management code - this is a pure x86 matter for now. Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 1 + arch/x86/mm/init_64.c | 1 + drivers/base/power/main.c | 1 - include/asm-x86/bios_ebda.h | 17 +++++++++++++++++ include/linux/kernel.h | 17 ----------------- 5 files changed, 19 insertions(+), 18 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 7e05462ffb11..bbe044dbe014 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -31,6 +31,7 @@ #include #include +#include #include #include #include diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index d84d3e91d348..3e10054c5731 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -31,6 +31,7 @@ #include #include +#include #include #include #include diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index bf6d3554e506..273a944d4040 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -254,7 +254,6 @@ static char *pm_verb(int event) static void pm_dev_dbg(struct device *dev, pm_message_t state, char *info) { - check_for_bios_corruption(); dev_dbg(dev, "%s%s%s\n", info, pm_verb(state.event), ((state.event & PM_EVENT_SLEEP) && device_may_wakeup(dev)) ? ", may wakeup" : ""); diff --git a/include/asm-x86/bios_ebda.h b/include/asm-x86/bios_ebda.h index ec42ed874591..79b4b88505d7 100644 --- a/include/asm-x86/bios_ebda.h +++ b/include/asm-x86/bios_ebda.h @@ -16,4 +16,21 @@ static inline unsigned int get_bios_ebda(void) void reserve_ebda_region(void); +#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION +/* + * This is obviously not a great place for this, but we want to be + * able to scatter it around anywhere in the kernel. + */ +void check_for_bios_corruption(void); +void start_periodic_check_for_corruption(void); +#else +static inline void check_for_bios_corruption(void) +{ +} + +static inline void start_periodic_check_for_corruption(void) +{ +} +#endif + #endif /* ASM_X86__BIOS_EBDA_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 50873b211788..2651f805ba6d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -240,23 +240,6 @@ extern const char *print_tainted(void); extern void add_taint(unsigned); extern int root_mountflags; -#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION -/* - * This is obviously not a great place for this, but we want to be - * able to scatter it around anywhere in the kernel. - */ -void check_for_bios_corruption(void); -void start_periodic_check_for_corruption(void); -#else -static inline void check_for_bios_corruption(void) -{ -} - -static inline void start_periodic_check_for_corruption(void) -{ -} -#endif - /* Values used for system_state */ extern enum system_states { SYSTEM_BOOTING, -- GitLab From 9f482807a6bd7e2aa1ed0d8cfc48463ec4ca3568 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 18 Aug 2008 12:59:32 +0200 Subject: [PATCH 4013/6244] x86, fpu: check __clear_user() return value MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix warning: arch/x86/kernel/xsave.c: In function ‘save_i387_xstate’: arch/x86/kernel/xsave.c:98: warning: ignoring return value of ‘__clear_user’, declared with attribute warn_unused_result check the return value and act on it. We should not be ignoring faults at this point. Signed-off-by: Ingo Molnar --- arch/x86/kernel/xsave.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 2f98323716d9..9abac8a9d823 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -95,7 +95,9 @@ int save_i387_xstate(void __user *buf) * Start with clearing the user buffer. This will present a * clean context for the bytes not touched by the fxsave/xsave. */ - __clear_user(buf, sig_xstate_size); + err = __clear_user(buf, sig_xstate_size); + if (err) + return err; if (task_thread_info(tsk)->status & TS_XSAVE) err = xsave_user(buf); -- GitLab From 45e96f26f257bd873017c6244a6cafd27f6f5439 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 27 Aug 2008 10:37:14 +0200 Subject: [PATCH 4014/6244] warnings: fix arch/x86/kernel/early_printk.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix warning: arch/x86/kernel/early_printk.c:993: warning: ‘enable_debug_console’ defined but not used Eliminate dead code. Signed-off-by: Ingo Molnar --- arch/x86/kernel/early_printk.c | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 02fc5b40c14b..34ad997d3834 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -989,22 +989,4 @@ static int __init setup_early_printk(char *buf) return 0; } -static void __init enable_debug_console(char *buf) -{ -#ifdef DBGP_DEBUG - struct console *old_early_console = NULL; - - if (early_console_initialized && early_console) { - old_early_console = early_console; - unregister_console(early_console); - early_console_initialized = 0; - } - - setup_early_printk(buf); - - if (early_console == old_early_console && old_early_console) - register_console(old_early_console); -#endif -} - early_param("earlyprintk", setup_early_printk); -- GitLab From d562353a4533c4671af683499191707c9a77c406 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 15:22:22 +0200 Subject: [PATCH 4015/6244] warnings: fix arch/x86/kernel/io_apic_64.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: arch/x86/kernel/io_apic_64.c: In function ‘print_local_APIC’: arch/x86/kernel/io_apic_64.c:1284: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ arch/x86/kernel/io_apic_64.c:1285: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ We want to print the two halves of 'icr' at 32 bit width. Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index a1bec2969c6a..02063ae042f7 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1281,8 +1281,8 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC ESR: %08x\n", v); icr = apic_icr_read(); - printk(KERN_DEBUG "... APIC ICR: %08x\n", icr); - printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32); + printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr); + printk(KERN_DEBUG "... APIC ICR2: %08x\n", (u32)(icr >> 32)); v = apic_read(APIC_LVTT); printk(KERN_DEBUG "... APIC LVTT: %08x\n", v); -- GitLab From 8a66712ba0969aea5580b9e312badfc2490fc614 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 15:24:53 +0200 Subject: [PATCH 4016/6244] x86, amd-iommu: propagate PCI device enabling error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit propagate an error in enabling the PCI device. Also eliminates this warning: arch/x86/kernel/amd_iommu_init.c: In function ‘init_iommu_one’: arch/x86/kernel/amd_iommu_init.c:726: warning: ignoring return value of ‘pci_enable_device’, declared with attribute warn_unused_result Signed-off-by: Ingo Molnar --- arch/x86/kernel/amd_iommu_init.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 148fcfe22f17..4cd8083c58be 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -723,9 +723,7 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) init_iommu_from_acpi(iommu, h); init_iommu_devices(iommu); - pci_enable_device(iommu->dev); - - return 0; + return pci_enable_device(iommu->dev); } /* -- GitLab From 14835a3325c1f84c3ae6eaf81102a3917e84809e Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Sun, 12 Oct 2008 13:34:11 +0000 Subject: [PATCH 4017/6244] [CIFS] cifs: remove pointless lock and unlock of GlobalMid_Lock in header_assemble We lock GlobalMid_Lock in header_assemble and then immediately unlock it again without doing anything. Not sure what this was intended to do, but remove it. Signed-off-by: Jeff Layton Signed-off-by: Steve French --- fs/cifs/misc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 654d972a88f4..88786ba02d27 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -311,8 +311,6 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ , buffer->Flags2 = SMBFLG2_KNOWS_LONG_NAMES; buffer->Pid = cpu_to_le16((__u16)current->tgid); buffer->PidHigh = cpu_to_le16((__u16)(current->tgid >> 16)); - spin_lock(&GlobalMid_Lock); - spin_unlock(&GlobalMid_Lock); if (treeCon) { buffer->Tid = treeCon->tid; if (treeCon->ses) { -- GitLab From b7b3a42533e1e41297fe517533375f9f8f7b92d0 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 15:36:24 +0200 Subject: [PATCH 4018/6244] x86: extend processor type select help text extend the help text of the CONFIG_CPU_SUP_* config options to express what it does and what effects it has. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.cpu | 63 +++++++++++++++++++++++++++++++++++++++----- 1 file changed, 56 insertions(+), 7 deletions(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index f8843c3ae77d..a2ea1488b37e 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -430,48 +430,97 @@ config CPU_SUP_INTEL default y bool "Support Intel processors" if PROCESSOR_SELECT help - This enables extended support for Intel processors + This enables detection, tunings and quirks for Intel processors + + You need this enabled if you want your kernel to run on an + Intel CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on an Intel + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_CYRIX_32 default y bool "Support Cyrix processors" if PROCESSOR_SELECT depends on !64BIT help - This enables extended support for Cyrix processors + This enables detection, tunings and quirks for Cyrix processors + + You need this enabled if you want your kernel to run on a + Cyrix CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on a Cyrix + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_AMD default y bool "Support AMD processors" if PROCESSOR_SELECT help - This enables extended support for AMD processors + This enables detection, tunings and quirks for AMD processors + + You need this enabled if you want your kernel to run on an + AMD CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on an AMD + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_CENTAUR_32 default y bool "Support Centaur processors" if PROCESSOR_SELECT depends on !64BIT help - This enables extended support for Centaur processors + This enables detection, tunings and quirks for Centaur processors + + You need this enabled if you want your kernel to run on a + Centaur CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on a Centaur + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_CENTAUR_64 default y bool "Support Centaur processors" if PROCESSOR_SELECT depends on 64BIT help - This enables extended support for Centaur processors + This enables detection, tunings and quirks for Centaur processors + + You need this enabled if you want your kernel to run on a + Centaur CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on a Centaur + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_TRANSMETA_32 default y bool "Support Transmeta processors" if PROCESSOR_SELECT depends on !64BIT help - This enables extended support for Transmeta processors + This enables detection, tunings and quirks for Transmeta processors + + You need this enabled if you want your kernel to run on a + Transmeta CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on a Transmeta + CPU might render the kernel unbootable. + + If unsure, say N. config CPU_SUP_UMC_32 default y bool "Support UMC processors" if PROCESSOR_SELECT depends on !64BIT help - This enables extended support for UMC processors + This enables detection, tunings and quirks for UMC processors + + You need this enabled if you want your kernel to run on a + UMC CPU. Disabling this option on other types of CPUs + makes the kernel a tiny bit smaller. Disabling it on a UMC + CPU might render the kernel unbootable. + + If unsure, say N. config X86_DS bool "Debug Store support" -- GitLab From 1db5fff9aeab18566eb380e354629fdbbe7792f0 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 15:40:45 +0200 Subject: [PATCH 4019/6244] x86: make processor type select depend on CONFIG_EMBEDDED deselecting one of the CPU type CONFIG_CPU_SUP_* config options can render a kernel unbootable. Make sure this option is only available if CONFIG_EMBEDDED is enabled. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.cpu | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index a2ea1488b37e..c5f101360520 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -420,7 +420,6 @@ config X86_DEBUGCTLMSR depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) menuconfig PROCESSOR_SELECT - default y bool "Supported processor vendors" if EMBEDDED help This lets you choose what x86 vendor support code your kernel -- GitLab From f9b9796ade7609cd62571d38f064e20c77d31281 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 13 Sep 2008 09:36:06 -0700 Subject: [PATCH 4020/6244] Add a script to visualize the kernel boot process / time When optimizing the kernel boot time, it's very valuable to visualize what is going on at which time. In addition, with some of the initializing going asynchronous soon, it's valuable to track/print which worker thread is executing the initialization. This patch adds a script to turn a dmesg into a SVG graph (that can be shown with tools such as InkScape, Gimp or Firefox) and a small change to the initcall code to print the PID of the thread calling the initcall (so that the script can work out the parallelism). Signed-off-by: Arjan van de Ven --- init/main.c | 2 +- scripts/bootgraph.pl | 138 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 139 insertions(+), 1 deletion(-) create mode 100644 scripts/bootgraph.pl diff --git a/init/main.c b/init/main.c index 3820323c4c84..27f6bf6108e9 100644 --- a/init/main.c +++ b/init/main.c @@ -708,7 +708,7 @@ int do_one_initcall(initcall_t fn) int result; if (initcall_debug) { - printk("calling %pF\n", fn); + printk("calling %pF @ %i\n", fn, task_pid_nr(current)); t0 = ktime_get(); } diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl new file mode 100644 index 000000000000..d459b8bdef02 --- /dev/null +++ b/scripts/bootgraph.pl @@ -0,0 +1,138 @@ +#!/usr/bin/perl + +# Copyright 2008, Intel Corporation +# +# This file is part of the Linux kernel +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# +# Authors: +# Arjan van de Ven + + +# +# This script turns a dmesg output into a SVG graphic that shows which +# functions take how much time. You can view SVG graphics with various +# programs, including Inkscape, The Gimp and Firefox. +# +# +# For this script to work, the kernel needs to be compiled with the +# CONFIG_PRINTK_TIME configuration option enabled, and with +# "initcall_debug" passed on the kernel command line. +# +# usage: +# dmesg | perl scripts/bootgraph.pl > output.svg +# + +my @rows; +my %start, %end, %row; +my $done = 0; +my $rowcount = 0; +my $maxtime = 0; +my $count = 0; +while (<>) { + my $line = $_; + if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) { + my $func = $2; + if ($done == 0) { + $start{$func} = $1; + } + $row{$func} = 1; + if ($line =~ /\@ ([0-9]+)/) { + my $pid = $1; + if (!defined($rows[$pid])) { + $rowcount = $rowcount + 1; + $rows[$pid] = $rowcount; + } + $row{$func} = $rows[$pid]; + } + $count = $count + 1; + } + + if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) { + if ($done == 0) { + $end{$2} = $1; + $maxtime = $1; + } + } + if ($line =~ /Write protecting the/) { + $done = 1; + } +} + +if ($count == 0) { + print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n"; + print "that initcall_debug is passed on the kernel command line.\n\n"; + print "Usage: \n"; + print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; + exit; +} + +print " \n"; +print "\n"; + +my @styles; + +$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[8] = "fill:rgb(255,0,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; + +my $mult = 950.0 / $maxtime; +my $threshold = 0.0500 / $maxtime; +my $stylecounter = 0; +while (($key,$value) = each %start) { + my $duration = $end{$key} - $start{$key}; + + if ($duration >= $threshold) { + my $s, $s2, $e, $y; + $s = $value * $mult; + $s2 = $s + 6; + $e = $end{$key} * $mult; + $w = $e - $s; + + $y = $row{$key} * 150; + $y2 = $y + 4; + + $style = $styles[$stylecounter]; + $stylecounter = $stylecounter + 1; + if ($stylecounter > 11) { + $stylecounter = 0; + }; + + print "\n"; + print "$key\n"; + } +} + + +# print the time line on top +my $time = 0.0; +while ($time < $maxtime) { + my $s2 = $time * $mult; + print "$time\n"; + $time = $time + 0.1; +} + +print "\n"; -- GitLab From 709790a9aafe424785dd02bcb31b0dddb4ef59e4 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 14 Sep 2008 15:30:52 -0700 Subject: [PATCH 4021/6244] fastboot: fix issues and improve output of bootgraph.pl David Sanders reported some issues with bootgraph.pl's display of his sytems bootup; this commit fixes these by scaling the graph not from 0 - end time but from the first initcall to the end time; the minimum display size etc also now need to scale with this, as does the axis display. Signed-off-by: Arjan van de Ven --- scripts/bootgraph.pl | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index d459b8bdef02..4e5f4ab2ed7f 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -42,6 +42,7 @@ my %start, %end, %row; my $done = 0; my $rowcount = 0; my $maxtime = 0; +my $firsttime = 100; my $count = 0; while (<>) { my $line = $_; @@ -49,6 +50,9 @@ while (<>) { my $func = $2; if ($done == 0) { $start{$func} = $1; + if ($1 < $firsttime) { + $firsttime = $1; + } } $row{$func} = 1; if ($line =~ /\@ ([0-9]+)/) { @@ -71,6 +75,9 @@ while (<>) { if ($line =~ /Write protecting the/) { $done = 1; } + if ($line =~ /Freeing unused kernel memory/) { + $done = 1; + } } if ($count == 0) { @@ -99,17 +106,17 @@ $styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0 $styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -my $mult = 950.0 / $maxtime; -my $threshold = 0.0500 / $maxtime; +my $mult = 950.0 / ($maxtime - $firsttime); +my $threshold = ($maxtime - $firsttime) / 60.0; my $stylecounter = 0; while (($key,$value) = each %start) { my $duration = $end{$key} - $start{$key}; if ($duration >= $threshold) { my $s, $s2, $e, $y; - $s = $value * $mult; + $s = ($value - $firsttime) * $mult; $s2 = $s + 6; - $e = $end{$key} * $mult; + $e = ($end{$key} - $firsttime) * $mult; $w = $e - $s; $y = $row{$key} * 150; @@ -128,11 +135,13 @@ while (($key,$value) = each %start) { # print the time line on top -my $time = 0.0; +my $time = $firsttime; +my $step = ($maxtime - $firsttime) / 15; while ($time < $maxtime) { - my $s2 = $time * $mult; - print "$time\n"; - $time = $time + 0.1; + my $s2 = ($time - $firsttime) * $mult; + my $tm = int($time * 100) / 100.0; + print "$tm\n"; + $time = $time + $step; } print "\n"; -- GitLab From 8bd9890e94627bc1ef372085e64dda7f9e307e82 Mon Sep 17 00:00:00 2001 From: Arnaud Patard Date: Fri, 19 Sep 2008 20:16:25 -0700 Subject: [PATCH 4022/6244] fastboot: Fix bootgraph.pl initcall name regexp The regexp used to match the start and the end of an initcall are matching only on [a-zA-Z\_]. This rules out initcalls with a number in them. This patch is fixing that. Signed-off-by: Arnaud Patard --- scripts/bootgraph.pl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index 4e5f4ab2ed7f..2243353fe55d 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -46,7 +46,7 @@ my $firsttime = 100; my $count = 0; while (<>) { my $line = $_; - if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) { + if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_]+)\+/) { my $func = $2; if ($done == 0) { $start{$func} = $1; @@ -66,7 +66,7 @@ while (<>) { $count = $count + 1; } - if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) { + if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) { if ($done == 0) { $end{$2} = $1; $maxtime = $1; @@ -81,8 +81,8 @@ while (<>) { } if ($count == 0) { - print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n"; - print "that initcall_debug is passed on the kernel command line.\n\n"; + print "No data found in the dmesg. Make sure that 'printk.time=1' and\n"; + print "'initcall_debug' are passed on the kernel command line.\n\n"; print "Usage: \n"; print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; exit; -- GitLab From 589f800bb12c5cd6c9167bbf9bf3cb70cd8e422c Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 20 Jul 2008 13:07:09 -0700 Subject: [PATCH 4023/6244] fastboot: make the raid autodetect code wait for all devices to init The raid autodetect code really needs to have all devices probed before it can detect raid arrays; not doing so would give rather messy situations where arrays would get detected as degraded while they shouldn't be etc. This is in preparation of removing the "wait for everything to init" code that makes everyone pay, not just raid users. Signed-off-by: Arjan van de Ven --- init/do_mounts_md.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c index 693d24694a6c..c0412a9dc003 100644 --- a/init/do_mounts_md.c +++ b/init/do_mounts_md.c @@ -267,9 +267,16 @@ __setup("md=", md_setup); void __init md_run_setup(void) { create_dev("/dev/md0", MKDEV(MD_MAJOR, 0)); + if (raid_noautodetect) printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n"); else { + /* + * Since we don't want to detect and use half a raid array, we need to + * wait for the known devices to complete their probing + */ + while (driver_probe_done() != 0) + msleep(100); int fd = sys_open("/dev/md0", 0, 0); if (fd >= 0) { sys_ioctl(fd, RAID_AUTORUN, raid_autopart); -- GitLab From 02c15def8400a974fbce02b4f2d65b38c839e88b Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 20 Jul 2008 16:30:29 -0700 Subject: [PATCH 4024/6244] fastboot: make the RAID autostart code print a message just before waiting As requested/suggested by Neil Brown: make the raid code print that it's about to wait for probing to be done as well as give a suggestion on how to disable the probing if the user doesn't use raid. Signed-off-by: Arjan van de Ven = 0) { -- GitLab From 82cbc11a4146d6a8acd81f81f7fe17387668107f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 18 Aug 2008 12:54:00 +0200 Subject: [PATCH 4025/6244] warning: fix init do_mounts_md c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix warning: init/do_mounts_md.c: In function ‘md_run_setup’: init/do_mounts_md.c:282: warning: ISO C90 forbids mixed declarations and code also, use the opportunity to put the RAID autodetection code into a separate function - this also solves a checkpatch style warning. No code changed: md5: aa36a35faef371b05f1974ad583bdbbd do_mounts_md.o.before.asm aa36a35faef371b05f1974ad583bdbbd do_mounts_md.o.after.asm Signed-off-by: Ingo Molnar --- init/do_mounts_md.c | 36 +++++++++++++++++++++--------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c index 1ec5c41c8a3c..c0dfd3c1e91b 100644 --- a/init/do_mounts_md.c +++ b/init/do_mounts_md.c @@ -264,26 +264,32 @@ static int __init raid_setup(char *str) __setup("raid=", raid_setup); __setup("md=", md_setup); +static void autodetect_raid(void) +{ + int fd; + + /* + * Since we don't want to detect and use half a raid array, we need to + * wait for the known devices to complete their probing + */ + printk(KERN_INFO "md: Waiting for all devices to be available before autodetect\n"); + printk(KERN_INFO "md: If you don't use raid, use raid=noautodetect\n"); + while (driver_probe_done() < 0) + msleep(100); + fd = sys_open("/dev/md0", 0, 0); + if (fd >= 0) { + sys_ioctl(fd, RAID_AUTORUN, raid_autopart); + sys_close(fd); + } +} + void __init md_run_setup(void) { create_dev("/dev/md0", MKDEV(MD_MAJOR, 0)); if (raid_noautodetect) printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n"); - else { - /* - * Since we don't want to detect and use half a raid array, we need to - * wait for the known devices to complete their probing - */ - printk(KERN_INFO "md: Waiting for all devices to be available before autodetect\n"); - printk(KERN_INFO "md: If you don't use raid, use raid=noautodetect\n"); - while (driver_probe_done() < 0) - msleep(100); - int fd = sys_open("/dev/md0", 0, 0); - if (fd >= 0) { - sys_ioctl(fd, RAID_AUTORUN, raid_autopart); - sys_close(fd); - } - } + else + autodetect_raid(); md_setup_drive(); } -- GitLab From a364092a412975e506415f77f0628cbdd28c3913 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 21 Sep 2008 15:44:32 -0700 Subject: [PATCH 4026/6244] raid: make RAID autodetect default a KConfig option RAID autodetect has the side effect of requiring synchronisation of all device drivers, which can make the boot several seconds longer (I've measured 7 on one of my laptops).... even for systems that don't have RAID setup for the root filesystem (the only FS where this matters). This patch makes the default for autodetect a config option; either way the user can always override via the kernel command line. Signed-off-by: Arjan van de Ven Acked-by: NeilBrown --- drivers/md/Kconfig | 14 ++++++++++++++ init/do_mounts_md.c | 11 +++++++++-- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 07d92c11b5d8..8e72c916535f 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -30,6 +30,20 @@ config BLK_DEV_MD If unsure, say N. +config MD_AUTODETECT + bool "Autodetect RAID arrays during kernel boot" + depends on BLK_DEV_MD + default y + ---help--- + If you say Y here, then the kernel will try to autodetect raid + arrays as part of its boot process. + + If you don't use raid and say Y, this autodetection can cause + a several-second delay in the boot time due to various + synchronisation steps that are part of this step. + + If unsure, say Y. + config MD_LINEAR tristate "Linear (append) mode" depends on BLK_DEV_MD diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c index c0dfd3c1e91b..48b3fadd83ed 100644 --- a/init/do_mounts_md.c +++ b/init/do_mounts_md.c @@ -12,7 +12,12 @@ * The code for that is here. */ -static int __initdata raid_noautodetect, raid_autopart; +#ifdef CONFIG_MD_AUTODETECT +static int __initdata raid_noautodetect; +#else +static int __initdata raid_noautodetect=1; +#endif +static int __initdata raid_autopart; static struct { int minor; @@ -252,6 +257,8 @@ static int __init raid_setup(char *str) if (!strncmp(str, "noautodetect", wlen)) raid_noautodetect = 1; + if (!strncmp(str, "autodetect", wlen)) + raid_noautodetect = 0; if (strncmp(str, "partitionable", wlen)==0) raid_autopart = 1; if (strncmp(str, "part", wlen)==0) @@ -288,7 +295,7 @@ void __init md_run_setup(void) create_dev("/dev/md0", MKDEV(MD_MAJOR, 0)); if (raid_noautodetect) - printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n"); + printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=autodetect will force)\n"); else autodetect_raid(); md_setup_drive(); -- GitLab From ce52aebd0219edc7a783278fbe80a6ccca0556c0 Mon Sep 17 00:00:00 2001 From: Alan Jenkins Date: Fri, 10 Oct 2008 16:02:53 +0100 Subject: [PATCH 4027/6244] raid, fastboot: hide RAID autodetect option if MD is compiled as a module Signed-off-by: Alan Jenkins Signed-off-by: Ingo Molnar --- drivers/md/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 8e72c916535f..2281b5098e95 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -32,7 +32,7 @@ config BLK_DEV_MD config MD_AUTODETECT bool "Autodetect RAID arrays during kernel boot" - depends on BLK_DEV_MD + depends on BLK_DEV_MD=y default y ---help--- If you say Y here, then the kernel will try to autodetect raid -- GitLab From 1efd325fbadc02c1338e0ef676f0a6669b251c7a Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 12 Oct 2008 11:30:08 -0700 Subject: [PATCH 4028/6244] Fix RTC wakealarm sysfs interface breakage. Commit ed458df4d2470adc02762a87a9ad665d0b1a2bd4 ("PnP: move pnpacpi/pnpbios_init to after PCI init") moved the PnP RTC discovery later, and now the ACPI RTC glue code doesn't find it any more, breaking the RTC wakealarm sysfs interfaces, as reported by Rafael. This really is fairly messy, and we have several annoying ordering constraints here - the PnP code that sets up the RTC resources wants to run after the PCI resources have to be registered, which in turn needs to run after ACPI has at least enumerated the root PCI buses etc. Our initcall ordering is not fine-grained enough to make this all painless. So this moves the ACPI RTC glue ("acpi_rtc_init()") down to a regular module call, which fixes the problem Rafael has. The reason this isn't wonderful is that we really should do acpi_rtc_init before we do the rtc_cmos init, and now those two are in the same module_init() section. Which happens to work, but only because drivers/rtc is linked after drivers/acpi. In other words, we still have a very subtle ordering issue here. Grr. Reported-and-tested-by: Rafael J. Wysocki Acked-by: David Brownell Signed-off-by: Linus Torvalds --- drivers/acpi/glue.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 8dd3336efd7e..3c578ef78c48 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -369,7 +369,6 @@ static int __init acpi_rtc_init(void) DBG("RTC unavailable?\n"); return 0; } -/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */ -fs_initcall(acpi_rtc_init); +module_init(acpi_rtc_init); #endif -- GitLab From 0dab9cfa17179d1f5b067a32a3bca06cd31a3149 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 12 Oct 2008 07:10:50 +0300 Subject: [PATCH 4029/6244] add key_revoke() dummy for KEYS=n This fixes the following build error with CONFIG_KEYS=n, caused by commit dfd15c46a6c2cafb006183c0c14f07e59eee4ac0 ("cifs: explicitly revoke SPNEGO key after session setup"): CC [M] fs/cifs/sess.o fs/cifs/sess.c: In function 'CIFS_SessSetup': fs/cifs/sess.c:628: error: implicit declaration of function 'key_revoke' make[3]: *** [fs/cifs/sess.o] Error 1 Signed-off-by: Adrian Bunk Acked-by: Jeff Layton Signed-off-by: Linus Torvalds --- include/linux/key.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/key.h b/include/linux/key.h index c45c962d1cc5..1b70e35a71e3 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -299,6 +299,7 @@ extern void key_init(void); #define key_validate(k) 0 #define key_serial(k) 0 #define key_get(k) ({ NULL; }) +#define key_revoke(k) do { } while(0) #define key_put(k) do { } while(0) #define key_ref_put(k) do { } while(0) #define make_key_ref(k, p) ({ NULL; }) -- GitLab From 06270d5d6aefb46b88bf44a7c5b1b9b3ef352c48 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 12 Oct 2008 07:15:19 +0300 Subject: [PATCH 4030/6244] provide generic_block_fiemap() only with BLOCK=y This fixes the following compile error with CONFIG_BLOCK=n caused by commit 68c9d702bb72f367f3b148963ec6cf5e07ff7f65 ("generic block based fiemap implementation"): CC fs/ioctl.o fs/ioctl.c: In function 'generic_block_fiemap': fs/ioctl.c:249: error: storage size of 'tmp' isn't known fs/ioctl.c:272: error: invalid application of 'sizeof' to incomplete type 'struct buffer_head' fs/ioctl.c:280: error: implicit declaration of function 'buffer_mapped' fs/ioctl.c:249: warning: unused variable 'tmp' make[2]: *** [fs/ioctl.o] Error 1 Signed-off-by: Adrian Bunk Acked-by: Josef Bacik Signed-off-by: Linus Torvalds --- fs/ioctl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ioctl.c b/fs/ioctl.c index 33a6b7ecb8b8..d152856c371b 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -226,6 +226,8 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) return error; } +#ifdef CONFIG_BLOCK + #define blk_to_logical(inode, blk) (blk << (inode)->i_blkbits) #define logical_to_blk(inode, offset) (offset >> (inode)->i_blkbits); @@ -342,6 +344,8 @@ int generic_block_fiemap(struct inode *inode, } EXPORT_SYMBOL(generic_block_fiemap); +#endif /* CONFIG_BLOCK */ + static int file_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { -- GitLab From 5e4c5f4c64902870552d4c15325d9e7d1a39884d Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 12 Oct 2008 12:37:16 -0700 Subject: [PATCH 4031/6244] Fix Kconfig dependency for WM97xx battery driver It needs the WM97xx touchscreen driver to be compiled in, not as a module. And it cannot itself be a module, due to some unfortunate interactions with platform data. Reported-by: Herbert Xu Acked-by: Mark Brown Signed-off-by: Linus Torvalds --- drivers/power/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 1982f8b42782..63bb57910445 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -58,7 +58,7 @@ config BATTERY_TOSA config BATTERY_WM97XX bool "WM97xx generic battery driver" - depends on TOUCHSCREEN_WM97XX + depends on TOUCHSCREEN_WM97XX=y help Say Y to enable support for battery measured by WM97xx aux port. -- GitLab From 3244fcb1ae03362e4aa8cb1a9039fbfd61661859 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 12 Oct 2008 17:27:49 -0400 Subject: [PATCH 4032/6244] ext4: fix build failure without procfs fs/ext4/super.c: In function 'ext4_fill_super': fs/ext4/super.c:2226: error: 'ext4_ui_proc_fops' undeclared (first use in this function) fs/ext4/super.c:2226: error: (Each undeclared identifier is reported only once fs/ext4/super.c:2226: error: for each function it appears in.) Signed-off-by: Alexander Beregalov Signed-off-by: Theodore Ts'o --- fs/ext4/super.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 014677b8e224..fb940c22ab0d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2231,6 +2231,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) goto failed_mount; } +#ifdef CONFIG_PROC_FS if (ext4_proc_root) sbi->s_proc = proc_mkdir(sb->s_id, ext4_proc_root); @@ -2238,6 +2239,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) proc_create_data("inode_readahead_blks", 0644, sbi->s_proc, &ext4_ui_proc_fops, &sbi->s_inode_readahead_blks); +#endif bgl_lock_init(&sbi->s_blockgroup_lock); -- GitLab From f319fb8bf6899e08bdb8d1e09a4e7a129dfa2312 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Sun, 12 Oct 2008 15:53:01 -0400 Subject: [PATCH 4033/6244] ext4: fix kconfig typo and extra whitespace Signed-off-by: Jan Engelhardt Signed-off-by: Theodore Ts'o --- fs/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/Kconfig b/fs/Kconfig index 40183d94b683..f54a157a0296 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -170,8 +170,8 @@ config EXT4DEV_COMPAT help Starting with 2.6.28, the name of the ext4 filesystem was renamed from ext4dev to ext4. Unfortunately there are some - lagecy userspace programs (such as klibc's fstype) have - "ext4dev" hardcoded. + legacy userspace programs (such as klibc's fstype) have + "ext4dev" hardcoded. To enable backwards compatibility so that systems that are still expecting to mount ext4 filesystems using ext4dev, -- GitLab From 92562927826fceb2f8e69c89e28161b8c1e0b125 Mon Sep 17 00:00:00 2001 From: Mimi Zohar Date: Tue, 7 Oct 2008 14:00:12 -0400 Subject: [PATCH 4034/6244] integrity: special fs magic Discussion on the mailing list questioned the use of these magic values in userspace, concluding these values are already exported to userspace via statfs and their correct/incorrect usage is left up to the userspace application. - Move special fs magic number definitions to magic.h - Add magic.h include Signed-off-by: Mimi Zohar Reviewed-by: James Morris Signed-off-by: James Morris --- fs/debugfs/inode.c | 3 +-- include/linux/magic.h | 4 ++++ mm/shmem.c | 4 +--- security/inode.c | 3 +-- 4 files changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 08e28c9bb416..3dbe2169cf36 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -26,8 +26,7 @@ #include #include #include - -#define DEBUGFS_MAGIC 0x64626720 +#include static struct vfsmount *debugfs_mount; static int debugfs_mount_count; diff --git a/include/linux/magic.h b/include/linux/magic.h index 1fa0c2ce4dec..f7f3fdddbef0 100644 --- a/include/linux/magic.h +++ b/include/linux/magic.h @@ -6,6 +6,10 @@ #define AFS_SUPER_MAGIC 0x5346414F #define AUTOFS_SUPER_MAGIC 0x0187 #define CODA_SUPER_MAGIC 0x73757245 +#define DEBUGFS_MAGIC 0x64626720 +#define SYSFS_MAGIC 0x62656572 +#define SECURITYFS_MAGIC 0x73636673 +#define TMPFS_MAGIC 0x01021994 #define EFS_SUPER_MAGIC 0x414A53 #define EXT2_SUPER_MAGIC 0xEF53 #define EXT3_SUPER_MAGIC 0xEF53 diff --git a/mm/shmem.c b/mm/shmem.c index 04fb4f1ab88e..bf66d0191baf 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -50,14 +50,12 @@ #include #include #include +#include #include #include #include -/* This magic number is used in glibc for posix shared memory */ -#define TMPFS_MAGIC 0x01021994 - #define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long)) #define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE) #define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512) diff --git a/security/inode.c b/security/inode.c index ca4958ebad8d..efea5a605466 100644 --- a/security/inode.c +++ b/security/inode.c @@ -20,8 +20,7 @@ #include #include #include - -#define SECURITYFS_MAGIC 0x73636673 +#include static struct vfsmount *mount; static int mount_count; -- GitLab From 8767e9badca7cdf0adc2564d7524092d47ababf3 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:23 +0000 Subject: [PATCH 4035/6244] powerpc/xics: EOI unmapped irqs after disabling them When reciving an irq vector that does not have a linux mapping, the kernel prints a message and calls RTAS to disable the irq source. Previously the kernel did not EOI the interrupt, causing the source to think it is still being processed by software. While this does add an additional layer of protection against interrupt storms had RTAS failed to disable the source, it also prevents the interrupt from working when a driver later enables it. (We could alternatively send an EOI on startup, but that strategy would likely fail on an emulated xics.) All interrupts should be disabled when the kernel starts, but this can be observed if a driver does not shutdown an interrupt in its reboot hook before starting a new kernel with kexec. Michael reports this can be reproduced trivially by banging the keyboard while kexec'ing on a P5 LPAR: even though the hvc_console driver request's the console irq later in boot, the console is non-functional because we're receiving no console interrupts. Reported-By: Michael Ellerman Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 53 +++++++++++++++++++++------ 1 file changed, 41 insertions(+), 12 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 6b1a005cc0cc..1bccd4a56b57 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -332,32 +332,61 @@ static void xics_eoi_lpar(unsigned int virq) lpar_xirr_info_set((0xff << 24) | irq); } -static inline unsigned int xics_remap_irq(unsigned int vec) +static inline unsigned int xics_xirr_vector(unsigned int xirr) { - unsigned int irq; + /* + * The top byte is the old cppr, to be restored on EOI. + * The remaining 24 bits are the vector. + */ + return xirr & 0x00ffffff; +} - vec &= 0x00ffffff; +static void xics_mask_unknown_vec(unsigned int vec) +{ + printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec); + xics_mask_real_irq(vec); +} + +static unsigned int xics_get_irq_direct(void) +{ + unsigned int xirr = direct_xirr_info_get(); + unsigned int vec = xics_xirr_vector(xirr); + unsigned int irq; if (vec == XICS_IRQ_SPURIOUS) return NO_IRQ; + irq = irq_radix_revmap_lookup(xics_host, vec); if (likely(irq != NO_IRQ)) return irq; - printk(KERN_ERR "Interrupt %u (real) is invalid," - " disabling it.\n", vec); - xics_mask_real_irq(vec); - return NO_IRQ; -} + /* We don't have a linux mapping, so have rtas mask it. */ + xics_mask_unknown_vec(vec); -static unsigned int xics_get_irq_direct(void) -{ - return xics_remap_irq(direct_xirr_info_get()); + /* We might learn about it later, so EOI it */ + direct_xirr_info_set(xirr); + return NO_IRQ; } static unsigned int xics_get_irq_lpar(void) { - return xics_remap_irq(lpar_xirr_info_get()); + unsigned int xirr = lpar_xirr_info_get(); + unsigned int vec = xics_xirr_vector(xirr); + unsigned int irq; + + if (vec == XICS_IRQ_SPURIOUS) + return NO_IRQ; + + irq = irq_radix_revmap_lookup(xics_host, vec); + if (likely(irq != NO_IRQ)) + return irq; + + /* We don't have a linux mapping, so have RTAS mask it. */ + xics_mask_unknown_vec(vec); + + /* We might learn about it later, so EOI it */ + lpar_xirr_info_set(xirr); + return NO_IRQ; } #ifdef CONFIG_SMP -- GitLab From 302905a3473d9a1f00e4b2fe373d2763a041a93d Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:28 +0000 Subject: [PATCH 4036/6244] powerpc/xics: Update default_server during migrate_irqs_away Currently, every time we determine which irq server to use, we check if default_server, which is the id of the bootcpu, is still online. But default_server is a hardware cpu, not the logical cpu id needed to index cpu_online_map. Since the default server can only go offline during a cpu hotplug event, explicitly check the default server and choose the new one when we move irqs away from the cpu being offlined. This has the added benefit of only needing the boot_cpuid to be updated and not relying on the cpu being marked offline during migrate_irqs_away. Also, since xics_update_irq_servers only reads device tree information, we can call it before xics_init_host in xics_init_IRQ and then default_server will always be valid when we can reach get_irq_server via the host ops. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 1bccd4a56b57..c95697912fea 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -208,9 +208,6 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) cpumask_t cpumask = irq_desc[virq].affinity; cpumask_t tmp = CPU_MASK_NONE; - if (! cpu_isset(default_server, cpu_online_map)) - xics_update_irq_servers(); - if (!distribute_irqs) return default_server; @@ -685,8 +682,8 @@ void __init xics_init_IRQ(void) if (found == 0) return; - xics_init_host(); xics_update_irq_servers(); + xics_init_host(); if (firmware_has_feature(FW_FEATURE_LPAR)) ppc_md.get_irq = xics_get_irq_lpar; @@ -779,6 +776,10 @@ void xics_migrate_irqs_away(void) int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id(); unsigned int irq, virq; + /* If we used to be the default server, move to the new "boot_cpuid" */ + if (hw_cpu == default_server) + xics_update_irq_servers(); + /* Reject any interrupt that was queued to us... */ xics_set_cpu_priority(0); -- GitLab From 64b60e096fa391c56f93e6216115e6757bf86b7e Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Fri, 10 Oct 2008 04:43:17 +0000 Subject: [PATCH 4037/6244] of: Add new helper of_parse_phandles_with_args() The helper is factored out of of_get_gpio(). Will be used by the QE pin multiplexing functions (they need to parse the gpios = <> too). Signed-off-by: Anton Vorontsov Signed-off-by: Benjamin Herrenschmidt --- drivers/of/base.c | 109 +++++++++++++++++++++++++++++++++++++++++++++ drivers/of/gpio.c | 81 ++++++++------------------------- include/linux/of.h | 3 ++ 3 files changed, 131 insertions(+), 62 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index cd1ce7ab8517..4270eb4a26a1 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -458,3 +458,112 @@ int of_modalias_node(struct device_node *node, char *modalias, int len) } EXPORT_SYMBOL_GPL(of_modalias_node); +/** + * of_parse_phandles_with_args - Find a node pointed by phandle in a list + * @np: pointer to a device tree node containing a list + * @list_name: property name that contains a list + * @cells_name: property name that specifies phandles' arguments count + * @index: index of a phandle to parse out + * @out_node: pointer to device_node struct pointer (will be filled) + * @out_args: pointer to arguments pointer (will be filled) + * + * This function is useful to parse lists of phandles and their arguments. + * Returns 0 on success and fills out_node and out_args, on error returns + * appropriate errno value. + * + * Example: + * + * phandle1: node1 { + * #list-cells = <2>; + * } + * + * phandle2: node2 { + * #list-cells = <1>; + * } + * + * node3 { + * list = <&phandle1 1 2 &phandle2 3>; + * } + * + * To get a device_node of the `node2' node you may call this: + * of_parse_phandles_with_args(node3, "list", "#list-cells", 2, &node2, &args); + */ +int of_parse_phandles_with_args(struct device_node *np, const char *list_name, + const char *cells_name, int index, + struct device_node **out_node, + const void **out_args) +{ + int ret = -EINVAL; + const u32 *list; + const u32 *list_end; + int size; + int cur_index = 0; + struct device_node *node = NULL; + const void *args; + + list = of_get_property(np, list_name, &size); + if (!list) { + ret = -ENOENT; + goto err0; + } + list_end = list + size / sizeof(*list); + + while (list < list_end) { + const u32 *cells; + const phandle *phandle; + + phandle = list; + args = list + 1; + + /* one cell hole in the list = <>; */ + if (!*phandle) { + list++; + goto next; + } + + node = of_find_node_by_phandle(*phandle); + if (!node) { + pr_debug("%s: could not find phandle\n", + np->full_name); + goto err0; + } + + cells = of_get_property(node, cells_name, &size); + if (!cells || size != sizeof(*cells)) { + pr_debug("%s: could not get %s for %s\n", + np->full_name, cells_name, node->full_name); + goto err1; + } + + /* Next phandle is at offset of one phandle cell + #cells */ + list += 1 + *cells; + if (list > list_end) { + pr_debug("%s: insufficient arguments length\n", + np->full_name); + goto err1; + } +next: + if (cur_index == index) + break; + + of_node_put(node); + node = NULL; + cur_index++; + } + + if (!node) { + ret = -ENOENT; + goto err0; + } + + *out_node = node; + *out_args = args; + + return 0; +err1: + of_node_put(node); +err0: + pr_debug("%s failed with status %d\n", __func__, ret); + return ret; +} +EXPORT_SYMBOL(of_parse_phandles_with_args); diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c index 1c9cab844f10..7cd7301b5839 100644 --- a/drivers/of/gpio.c +++ b/drivers/of/gpio.c @@ -28,78 +28,35 @@ */ int of_get_gpio(struct device_node *np, int index) { - int ret = -EINVAL; + int ret; struct device_node *gc; struct of_gpio_chip *of_gc = NULL; int size; - const u32 *gpios; - u32 nr_cells; - int i; const void *gpio_spec; const u32 *gpio_cells; - int gpio_index = 0; - gpios = of_get_property(np, "gpios", &size); - if (!gpios) { - ret = -ENOENT; + ret = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index, + &gc, &gpio_spec); + if (ret) { + pr_debug("%s: can't parse gpios property\n", __func__); goto err0; } - nr_cells = size / sizeof(u32); - - for (i = 0; i < nr_cells; gpio_index++) { - const phandle *gpio_phandle; - - gpio_phandle = gpios + i; - gpio_spec = gpio_phandle + 1; - - /* one cell hole in the gpios = <>; */ - if (!*gpio_phandle) { - if (gpio_index == index) - return -ENOENT; - i++; - continue; - } - - gc = of_find_node_by_phandle(*gpio_phandle); - if (!gc) { - pr_debug("%s: could not find phandle for gpios\n", - np->full_name); - goto err0; - } - - of_gc = gc->data; - if (!of_gc) { - pr_debug("%s: gpio controller %s isn't registered\n", - np->full_name, gc->full_name); - goto err1; - } - - gpio_cells = of_get_property(gc, "#gpio-cells", &size); - if (!gpio_cells || size != sizeof(*gpio_cells) || - *gpio_cells != of_gc->gpio_cells) { - pr_debug("%s: wrong #gpio-cells for %s\n", - np->full_name, gc->full_name); - goto err1; - } - - /* Next phandle is at phandle cells + #gpio-cells */ - i += sizeof(*gpio_phandle) / sizeof(u32) + *gpio_cells; - if (i >= nr_cells + 1) { - pr_debug("%s: insufficient gpio-spec length\n", - np->full_name); - goto err1; - } - - if (gpio_index == index) - break; - - of_gc = NULL; - of_node_put(gc); - } + of_gc = gc->data; if (!of_gc) { - ret = -ENOENT; - goto err0; + pr_debug("%s: gpio controller %s isn't registered\n", + np->full_name, gc->full_name); + ret = -ENODEV; + goto err1; + } + + gpio_cells = of_get_property(gc, "#gpio-cells", &size); + if (!gpio_cells || size != sizeof(*gpio_cells) || + *gpio_cells != of_gc->gpio_cells) { + pr_debug("%s: wrong #gpio-cells for %s\n", + np->full_name, gc->full_name); + ret = -EINVAL; + goto err1; } ret = of_gc->xlate(of_gc, np, gpio_spec); diff --git a/include/linux/of.h b/include/linux/of.h index 79886ade070f..e2488f5e7cb2 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -71,5 +71,8 @@ extern int of_n_size_cells(struct device_node *np); extern const struct of_device_id *of_match_node( const struct of_device_id *matches, const struct device_node *node); extern int of_modalias_node(struct device_node *node, char *modalias, int len); +extern int of_parse_phandles_with_args(struct device_node *np, + const char *list_name, const char *cells_name, int index, + struct device_node **out_node, const void **out_args); #endif /* _LINUX_OF_H */ -- GitLab From 6070bf6afe4c4232ec1e04fa16c056758b2e681b Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Fri, 10 Oct 2008 08:53:21 +0000 Subject: [PATCH 4038/6244] powerpc: Remove old Makefile workaround for arch/ppc There is an old workaround in the sysdev/Makefile for dealing with arch/ppc vs. arch/powerpc compiles. This is no longer needed as arch/ppc is dead. Signed-off-by: Josh Boyer Acked-by: Kumar Gala Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/sysdev/Makefile | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 55618ba9eff0..a44709a94f97 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -38,15 +38,12 @@ ifeq ($(CONFIG_PCI),y) obj-$(CONFIG_4xx) += ppc4xx_pci.o endif -# Temporary hack until we have migrated to asm-powerpc -ifeq ($(ARCH),powerpc) obj-$(CONFIG_CPM) += cpm_common.o obj-$(CONFIG_CPM2) += cpm2.o cpm2_pic.o obj-$(CONFIG_QUICC_ENGINE) += cpm_common.o obj-$(CONFIG_PPC_DCR) += dcr.o obj-$(CONFIG_8xx) += mpc8xx_pic.o cpm1.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o -endif ifeq ($(CONFIG_SUSPEND),y) obj-$(CONFIG_6xx) += 6xx-suspend.o -- GitLab From 78b5b626fa9048337530cc3ba4ceb9e4ee96a386 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Fri, 10 Oct 2008 09:44:33 +0000 Subject: [PATCH 4039/6244] powerpc: Make ppc32 respect the boot cpu id for !CONFIG_SMP Previously the FDT header field boot_cpuid_phys wasn't actually used on ppc32. Instead the physical boot cpuid was assumed to be 0 for !CONFIG_SMP. Signed-off-by: Kumar Gala Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/smp.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index c092f84302fd..1866cec4f967 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -93,7 +93,7 @@ extern void __cpu_die(unsigned int cpu); #else /* for UP */ -#define hard_smp_processor_id() 0 +#define hard_smp_processor_id() get_hard_smp_processor_id(0) #define smp_setup_cpu_maps() #endif /* CONFIG_SMP */ @@ -122,6 +122,7 @@ static inline int get_hard_smp_processor_id(int cpu) static inline void set_hard_smp_processor_id(int cpu, int phys) { + boot_cpuid_phys = phys; } #endif /* !CONFIG_SMP */ #endif /* !CONFIG_PPC64 */ -- GitLab From e2d1d6c0a5d3fef8da21ed85aa825aa271c62602 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 12 Oct 2008 16:11:31 -0700 Subject: [PATCH 4040/6244] MAINTAINERS: alpha sort Sorted case-insensitive (sort -f). Groups that begin with ARM, INTEL, etc. not sorted. Signed-off-by: Randy Dunlap Signed-off-by: Linus Torvalds --- MAINTAINERS | 876 ++++++++++++++++++++++++++-------------------------- 1 file changed, 438 insertions(+), 438 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 8bf72d378332..676f0f81b9e1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -102,14 +102,14 @@ M: dave@thedillows.org L: netdev@vger.kernel.org S: Maintained -3W-XXXX ATA-RAID CONTROLLER DRIVER +3W-9XXX SATA-RAID CONTROLLER DRIVER P: Adam Radford M: linuxraid@amcc.com L: linux-scsi@vger.kernel.org W: http://www.amcc.com S: Supported -3W-9XXX SATA-RAID CONTROLLER DRIVER +3W-XXXX ATA-RAID CONTROLLER DRIVER P: Adam Radford M: linuxraid@amcc.com L: linux-scsi@vger.kernel.org @@ -163,16 +163,11 @@ M: A2232@gmx.net L: linux-m68k@lists.linux-m68k.org S: Maintained -AFS FILESYSTEM & AF_RXRPC SOCKET DOMAIN -P: David Howells -M: dhowells@redhat.com -L: linux-afs@lists.infradead.org -S: Supported - -AIO -P: Benjamin LaHaise -M: bcrl@kvack.org -L: linux-aio@kvack.org +AACRAID SCSI RAID DRIVER +P: Adaptec OEM Raid Solutions +M: aacraid@adaptec.com +L: linux-scsi@vger.kernel.org +W: http://www.adaptec.com/ S: Supported ABIT UGURU 1,2 HARDWARE MONITOR DRIVER @@ -193,27 +188,6 @@ M: jes@trained-monkey.org L: linux-acenic@sunsite.dk S: Maintained -IPS SCSI RAID DRIVER -P: Adaptec OEM Raid Solutions -M: aacraid@adaptec.com -L: linux-scsi@vger.kernel.org -W: http://www.adaptec.com/ -S: Maintained - -DPT_I2O SCSI RAID DRIVER -P: Adaptec OEM Raid Solutions -M: aacraid@adaptec.com -L: linux-scsi@vger.kernel.org -W: http://www.adaptec.com/ -S: Maintained - -AACRAID SCSI RAID DRIVER -P: Adaptec OEM Raid Solutions -M: aacraid@adaptec.com -L: linux-scsi@vger.kernel.org -W: http://www.adaptec.com/ -S: Supported - ACER WMI LAPTOP EXTRAS P: Carlos Corbacho M: carlos@strangeworlds.co.uk @@ -327,6 +301,12 @@ P: Roman Zippel M: zippel@linux-m68k.org S: Maintained +AFS FILESYSTEM & AF_RXRPC SOCKET DOMAIN +P: David Howells +M: dhowells@redhat.com +L: linux-afs@lists.infradead.org +S: Supported + AGPGART DRIVER P: David Airlie M: airlied@linux.ie @@ -345,6 +325,12 @@ M: hare@suse.de L: linux-scsi@vger.kernel.org S: Maintained +AIO +P: Benjamin LaHaise +M: bcrl@kvack.org +L: linux-aio@kvack.org +S: Supported + ALCATEL SPEEDTOUCH USB DRIVER P: Duncan Sands M: duncan.sands@free.fr @@ -870,11 +856,48 @@ L: linux-hams@vger.kernel.org W: http://www.linux-ax25.org/ S: Maintained +B43 WIRELESS DRIVER +P: Michael Buesch +M: mb@bu3sch.de +P: Stefano Brivio +M: stefano.brivio@polimi.it +L: linux-wireless@vger.kernel.org +W: http://linuxwireless.org/en/users/Drivers/b43 +S: Maintained + +B43LEGACY WIRELESS DRIVER +P: Larry Finger +M: Larry.Finger@lwfinger.net +P: Stefano Brivio +M: stefano.brivio@polimi.it +L: linux-wireless@vger.kernel.org +W: http://linuxwireless.org/en/users/Drivers/b43 +S: Maintained + BACKLIGHT CLASS/SUBSYSTEM P: Richard Purdie M: rpurdie@rpsys.net S: Maintained +BAYCOM/HDLCDRV DRIVERS FOR AX.25 +P: Thomas Sailer +M: t.sailer@alumni.ethz.ch +L: linux-hams@vger.kernel.org +W: http://www.baycom.org/~tom/ham/ham.html +S: Maintained + +BEFS FILE SYSTEM +P: Sergey S. Kostyliov +M: rathamahata@php4.ru +L: linux-kernel@vger.kernel.org +S: Maintained + +BFS FILE SYSTEM +P: Tigran A. Aivazian +M: tigran@aivazian.fsnet.co.uk +L: linux-kernel@vger.kernel.org +S: Maintained + BLACKFIN ARCHITECTURE P: Bryan Wu M: cooloney@kernel.org @@ -910,43 +933,6 @@ L: uclinux-dist-devel@blackfin.uclinux.org (subscribers-only) W: http://blackfin.uclinux.org S: Supported -BAYCOM/HDLCDRV DRIVERS FOR AX.25 -P: Thomas Sailer -M: t.sailer@alumni.ethz.ch -L: linux-hams@vger.kernel.org -W: http://www.baycom.org/~tom/ham/ham.html -S: Maintained - -B43 WIRELESS DRIVER -P: Michael Buesch -M: mb@bu3sch.de -P: Stefano Brivio -M: stefano.brivio@polimi.it -L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/en/users/Drivers/b43 -S: Maintained - -B43LEGACY WIRELESS DRIVER -P: Larry Finger -M: Larry.Finger@lwfinger.net -P: Stefano Brivio -M: stefano.brivio@polimi.it -L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/en/users/Drivers/b43 -S: Maintained - -BEFS FILE SYSTEM -P: Sergey S. Kostyliov -M: rathamahata@php4.ru -L: linux-kernel@vger.kernel.org -S: Maintained - -BFS FILE SYSTEM -P: Tigran A. Aivazian -M: tigran@aivazian.fsnet.co.uk -L: linux-kernel@vger.kernel.org -S: Maintained - BLACKFIN I2C TWI DRIVER P: Sonic Zhang M: sonic.zhang@analog.com @@ -1040,15 +1026,6 @@ M: corbet@lwn.net L: video4linux-list@redhat.com S: Maintained -CAN NETWORK LAYER -P: Urs Thuermann -M: urs.thuermann@volkswagen.de -P: Oliver Hartkopp -M: oliver.hartkopp@volkswagen.de -L: socketcan-core@lists.berlios.de (subscribers-only) -W: http://developer.berlios.de/projects/socketcan/ -S: Maintained - CALGARY x86-64 IOMMU P: Muli Ben-Yehuda M: muli@il.ibm.com @@ -1058,6 +1035,15 @@ L: linux-kernel@vger.kernel.org L: discuss@x86-64.org S: Maintained +CAN NETWORK LAYER +P: Urs Thuermann +M: urs.thuermann@volkswagen.de +P: Oliver Hartkopp +M: oliver.hartkopp@volkswagen.de +L: socketcan-core@lists.berlios.de (subscribers-only) +W: http://developer.berlios.de/projects/socketcan/ +S: Maintained + CELL BROADBAND ENGINE ARCHITECTURE P: Arnd Bergmann M: arnd@arndb.de @@ -1066,13 +1052,6 @@ L: cbe-oss-dev@ozlabs.org W: http://www.ibm.com/developerworks/power/cell/ S: Supported -CISCO 10G ETHERNET DRIVER -P: Scott Feldman -M: scofeldm@cisco.com -P: Joe Eykholt -M: jeykholt@cisco.com -S: Supported - CFAG12864B LCD DRIVER P: Miguel Ojeda Sandonis M: miguel.ojeda.sandonis@gmail.com @@ -1104,19 +1083,11 @@ P: Joel Schopp M: jschopp@austin.ibm.com S: Supported -COMMON INTERNET FILE SYSTEM (CIFS) -P: Steve French -M: sfrench@samba.org -L: linux-cifs-client@lists.samba.org -L: samba-technical@lists.samba.org -W: http://linux-cifs.samba.org/ -T: git kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6.git -S: Supported - -CONFIGFS -P: Joel Becker -M: joel.becker@oracle.com -L: linux-kernel@vger.kernel.org +CISCO 10G ETHERNET DRIVER +P: Scott Feldman +M: scofeldm@cisco.com +P: Joe Eykholt +M: jeykholt@cisco.com S: Supported CIRRUS LOGIC EP93XX ETHERNET DRIVER @@ -1152,6 +1123,15 @@ L: codalist@coda.cs.cmu.edu W: http://www.coda.cs.cmu.edu/ S: Maintained +COMMON INTERNET FILE SYSTEM (CIFS) +P: Steve French +M: sfrench@samba.org +L: linux-cifs-client@lists.samba.org +L: samba-technical@lists.samba.org +W: http://linux-cifs.samba.org/ +T: git kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6.git +S: Supported + COMPACTPCI HOTPLUG CORE P: Scott Murray M: scottm@somanetworks.com @@ -1191,6 +1171,12 @@ L: accessrunner-general@lists.sourceforge.net W: http://accessrunner.sourceforge.net/ S: Maintained +CONFIGFS +P: Joel Becker +M: joel.becker@oracle.com +L: linux-kernel@vger.kernel.org +S: Supported + CONTROL GROUPS (CGROUPS) P: Paul Menage M: menage@google.com @@ -1314,6 +1300,20 @@ W: http://www.qsl.net/dl1bke/ L: linux-hams@vger.kernel.org S: Maintained +DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER +P: Tobias Ringstrom +M: tori@unhappy.mine.nu +L: netdev@vger.kernel.org +S: Maintained + +DC390/AM53C974 SCSI driver +P: Kurt Garloff +M: garloff@suse.de +W: http://www.garloff.de/kurt/linux/dc390/ +P: Guennadi Liakhovetski +M: g.liakhovetski@gmx.de +S: Maintained + DC395x SCSI driver P: Oliver Neukum M: oliver@neukum.name @@ -1326,14 +1326,6 @@ L: dc395x@twibble.org L: http://lists.twibble.org/mailman/listinfo/dc395x/ S: Maintained -DC390/AM53C974 SCSI driver -P: Kurt Garloff -M: garloff@suse.de -W: http://www.garloff.de/kurt/linux/dc390/ -P: Guennadi Liakhovetski -M: g.liakhovetski@gmx.de -S: Maintained - DCCP PROTOCOL P: Arnaldo Carvalho de Melo M: acme@ghostprotocols.net @@ -1364,12 +1356,6 @@ P: Doug Warzecha M: Douglas_Warzecha@dell.com S: Maintained -DEVICE-MAPPER (LVM) -P: Alasdair Kergon -L: dm-devel@redhat.com -W: http://sources.redhat.com/dm -S: Maintained - DEVICE NUMBER REGISTRY P: Torben Mathiasen M: device@lanana.org @@ -1377,6 +1363,12 @@ W: http://lanana.org/docs/device-list/index.html L: linux-kernel@vger.kernel.org S: Maintained +DEVICE-MAPPER (LVM) +P: Alasdair Kergon +L: dm-devel@redhat.com +W: http://sources.redhat.com/dm +S: Maintained + DIGI INTL. EPCA DRIVER P: Digi International, Inc M: Eng.Linux@digi.com @@ -1414,12 +1406,6 @@ W: http://sources.redhat.com/cluster/ T: git kernel.org:/pub/scm/linux/kernel/git/teigland/dlm.git S: Supported -DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER -P: Tobias Ringstrom -M: tori@unhappy.mine.nu -L: netdev@vger.kernel.org -S: Maintained - DMA GENERIC OFFLOAD ENGINE SUBSYSTEM P: Maciej Sosnowski M: maciej.sosnowski@intel.com @@ -1459,6 +1445,13 @@ M: jrv@vanzandt.mv.com L: blinux-list@redhat.com S: Maintained +DPT_I2O SCSI RAID DRIVER +P: Adaptec OEM Raid Solutions +M: aacraid@adaptec.com +L: linux-scsi@vger.kernel.org +W: http://www.adaptec.com/ +S: Maintained + DRIVER CORE, KOBJECTS, AND SYSFS P: Greg Kroah-Hartman M: gregkh@suse.de @@ -1687,27 +1680,63 @@ P: Akinobu Mita M: akinobu.mita@gmail.com S: Supported -FRAMEBUFFER LAYER -P: Antonino Daplas -M: adaplas@gmail.com -L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) -W: http://linux-fbdev.sourceforge.net/ +FILE LOCKING (flock() and fcntl()/lockf()) +P: Matthew Wilcox +M: matthew@wil.cx +L: linux-fsdevel@vger.kernel.org S: Maintained -FREESCALE DMA DRIVER -P: Li Yang -M: leoli@freescale.com -P: Zhang Wei -M: zw@zh-kernel.org -L: linuxppc-embedded@ozlabs.org -L: linux-kernel@vger.kernel.org +FILESYSTEMS (VFS and infrastructure) +P: Alexander Viro +M: viro@zeniv.linux.org.uk +L: linux-fsdevel@vger.kernel.org S: Maintained -FREESCALE I2C CPM DRIVER -P: Jochen Friedrich -M: jochen@scram.de -L: linuxppc-dev@ozlabs.org -L: i2c@lm-sensors.org +FIREWIRE SUBSYSTEM (drivers/firewire, ) +P: Kristian Hoegsberg, Stefan Richter +M: krh@redhat.com, stefanr@s5r6.in-berlin.de +L: linux1394-devel@lists.sourceforge.net +W: http://www.linux1394.org/ +T: git kernel.org:/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6.git +S: Maintained + +FIRMWARE LOADER (request_firmware) +L: linux-kernel@vger.kernel.org +S: Orphan + +FPU EMULATOR +P: Bill Metzenthen +M: billm@suburbia.net +W: http://suburbia.net/~billm/floating-point/emulator/ +S: Maintained + +FRAME RELAY DLCI/FRAD (Sangoma drivers too) +P: Mike McLagan +M: mike.mclagan@linux.org +L: netdev@vger.kernel.org +S: Maintained + +FRAMEBUFFER LAYER +P: Antonino Daplas +M: adaplas@gmail.com +L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) +W: http://linux-fbdev.sourceforge.net/ +S: Maintained + +FREESCALE DMA DRIVER +P: Li Yang +M: leoli@freescale.com +P: Zhang Wei +M: zw@zh-kernel.org +L: linuxppc-embedded@ozlabs.org +L: linux-kernel@vger.kernel.org +S: Maintained + +FREESCALE I2C CPM DRIVER +P: Jochen Friedrich +M: jochen@scram.de +L: linuxppc-dev@ozlabs.org +L: i2c@lm-sensors.org S: Maintained FREESCALE SOC FS_ENET DRIVER @@ -1752,42 +1781,6 @@ L: alsa-devel@alsa-project.org L: linuxppc-dev@ozlabs.org S: Supported -FILE LOCKING (flock() and fcntl()/lockf()) -P: Matthew Wilcox -M: matthew@wil.cx -L: linux-fsdevel@vger.kernel.org -S: Maintained - -FILESYSTEMS (VFS and infrastructure) -P: Alexander Viro -M: viro@zeniv.linux.org.uk -L: linux-fsdevel@vger.kernel.org -S: Maintained - -FIREWIRE SUBSYSTEM (drivers/firewire, ) -P: Kristian Hoegsberg, Stefan Richter -M: krh@redhat.com, stefanr@s5r6.in-berlin.de -L: linux1394-devel@lists.sourceforge.net -W: http://www.linux1394.org/ -T: git kernel.org:/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6.git -S: Maintained - -FIRMWARE LOADER (request_firmware) -L: linux-kernel@vger.kernel.org -S: Orphan - -FPU EMULATOR -P: Bill Metzenthen -M: billm@suburbia.net -W: http://suburbia.net/~billm/floating-point/emulator/ -S: Maintained - -FRAME RELAY DLCI/FRAD (Sangoma drivers too) -P: Mike McLagan -M: mike.mclagan@linux.org -L: netdev@vger.kernel.org -S: Maintained - FREEVXFS FILESYSTEM P: Christoph Hellwig M: hch@infradead.org @@ -1859,6 +1852,13 @@ L: gigaset307x-common@lists.sourceforge.net W: http://gigaset307x.sourceforge.net/ S: Maintained +HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER +P: Robert Love +M: rlove@rlove.org +M: linux-kernel@vger.kernel.org +W: http://www.kernel.org/pub/linux/kernel/people/rml/hdaps/ +S: Maintained + HARDWARE MONITORING L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ @@ -1867,13 +1867,6 @@ S: Orphan HARDWARE RANDOM NUMBER GENERATOR CORE S: Orphan -HARD DRIVE ACTIVE PROTECTION SYSTEM (HDAPS) DRIVER -P: Robert Love -M: rlove@rlove.org -M: linux-kernel@vger.kernel.org -W: http://www.kernel.org/pub/linux/kernel/people/rml/hdaps/ -S: Maintained - HARMONY SOUND DRIVER P: Kyle McMartin M: kyle@mcmartin.ca @@ -1887,6 +1880,24 @@ L: linux-kernel@vger.kernel.org W: http://www.nyx.net/~arobinso S: Maintained +HEWLETT-PACKARD FIBRE CHANNEL 64-bit/66MHz PCI non-intelligent HBA +P: Chirag Kantharia +M: chirag.kantharia@hp.com +L: iss_storagedev@hp.com +S: Maintained + +HEWLETT-PACKARD SMART2 RAID DRIVER +P: Chirag Kantharia +M: chirag.kantharia@hp.com +L: iss_storagedev@hp.com +S: Maintained + +HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss) +P: Mike Miller +M: mike.miller@hp.com +L: iss_storagedev@hp.com +S: Supported + HFS FILESYSTEM P: Roman Zippel M: zippel@linux-m68k.org @@ -1900,6 +1911,14 @@ L: linux-nvidia@lists.surfsouth.com W: http://drama.obuda.kando.hu/~fero/cgi-bin/hgafb.shtml S: Maintained +HIBERNATION (aka Software Suspend, aka swsusp): +P: Pavel Machek +M: pavel@suse.cz +P: Rafael J. Wysocki +M: rjw@sisk.pl +L: linux-pm@lists.linux-foundation.org +S: Supported + HID CORE LAYER P: Jiri Kosina M: jkosina@suse.cz @@ -1932,24 +1951,6 @@ M: jes@trained-monkey.org L: linux-hippi@sunsite.dk S: Maintained -HEWLETT-PACKARD FIBRE CHANNEL 64-bit/66MHz PCI non-intelligent HBA -P: Chirag Kantharia -M: chirag.kantharia@hp.com -L: iss_storagedev@hp.com -S: Maintained - -HEWLETT-PACKARD SMART2 RAID DRIVER -P: Chirag Kantharia -M: chirag.kantharia@hp.com -L: iss_storagedev@hp.com -S: Maintained - -HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss) -P: Mike Miller -M: mike.miller@hp.com -L: iss_storagedev@hp.com -S: Supported - HOST AP DRIVER P: Jouni Malinen M: j@w1.fi @@ -1958,16 +1959,16 @@ L: linux-wireless@vger.kernel.org W: http://hostap.epitest.fi/ S: Maintained -HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series -P: Jaroslav Kysela -M: perex@perex.cz -S: Maintained - HP COMPAQ TC1100 TABLET WMI EXTRAS DRIVER P: Carlos Corbacho M: carlos@strangeworlds.co.uk S: Odd Fixes +HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series +P: Jaroslav Kysela +M: perex@perex.cz +S: Maintained + HPET: High Precision Event Timers driver (drivers/char/hpet.c) P: Clemens Ladisch M: clemens@ladisch.de @@ -2047,14 +2048,6 @@ W: http://www.ia64-linux.org/ T: git kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6.git S: Maintained -SN-IA64 (Itanium) SUB-PLATFORM -P: Jes Sorensen -M: jes@sgi.com -L: linux-altix@sgi.com -L: linux-ia64@vger.kernel.org -W: http://www.sgi.com/altix -S: Maintained - IBM MCA SCSI SUBSYSTEM DRIVER P: Michael Lang M: langa2@kph.uni-mainz.de @@ -2138,14 +2131,6 @@ W: http://www.openib.org/ T: git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git S: Supported -INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN) DRIVERS -P: Dmitry Torokhov -M: dmitry.torokhov@gmail.com -M: dtor@mail.ru -L: linux-input@vger.kernel.org -T: git kernel.org:/pub/scm/linux/kernel/git/dtor/input.git -S: Maintained - INOTIFY P: John McCutchan M: ttb@tentacle.dhs.org @@ -2154,6 +2139,14 @@ M: rml@novell.com L: linux-kernel@vger.kernel.org S: Maintained +INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN) DRIVERS +P: Dmitry Torokhov +M: dmitry.torokhov@gmail.com +M: dtor@mail.ru +L: linux-input@vger.kernel.org +T: git kernel.org:/pub/scm/linux/kernel/git/dtor/input.git +S: Maintained + INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) P: Sylvain Meyer M: sylvain.meyer@worldonline.fr @@ -2287,10 +2280,22 @@ L: openipmi-developer@lists.sourceforge.net W: http://openipmi.sourceforge.net/ S: Supported -IPX NETWORK LAYER -P: Arnaldo Carvalho de Melo -M: acme@ghostprotocols.net +IPS SCSI RAID DRIVER +P: Adaptec OEM Raid Solutions +M: aacraid@adaptec.com +L: linux-scsi@vger.kernel.org +W: http://www.adaptec.com/ +S: Maintained + +IPVS +P: Wensong Zhang +M: wensong@linux-vs.org +P: Simon Horman +M: horms@verge.net.au +P: Julian Anastasov +M: ja@ssi.bg L: netdev@vger.kernel.org +L: lvs-devel@vger.kernel.org S: Maintained IPWIRELES DRIVER @@ -2301,6 +2306,12 @@ M: dsterba@suse.cz S: Maintained T: git://git.kernel.org/pub/scm/linux/kernel/git/jikos/ipwireless_cs.git +IPX NETWORK LAYER +P: Arnaldo Carvalho de Melo +M: acme@ghostprotocols.net +L: netdev@vger.kernel.org +S: Maintained + IRDA SUBSYSTEM P: Samuel Ortiz M: samuel@sortiz.org @@ -2308,6 +2319,11 @@ L: irda-users@lists.sourceforge.net (subscribers-only) W: http://irda.sourceforge.net/ S: Maintained +ISAPNP +P: Jaroslav Kysela +M: perex@perex.cz +S: Maintained + ISCSI P: Mike Christie M: michaelc@cs.wisc.edu @@ -2316,11 +2332,6 @@ W: www.open-iscsi.org T: git kernel.org:/pub/scm/linux/kernel/mnc/linux-2.6-iscsi.git S: Maintained -ISAPNP -P: Jaroslav Kysela -M: perex@perex.cz -S: Maintained - ISDN SUBSYSTEM P: Karsten Keil M: kkeil@suse.de @@ -2345,6 +2356,14 @@ L: video4linux-list@redhat.com W: http://www.ivtvdriver.org S: Maintained +JFS FILESYSTEM +P: Dave Kleikamp +M: shaggy@austin.ibm.com +L: jfs-discussion@lists.sourceforge.net +W: http://jfs.sourceforge.net/ +T: git kernel.org:/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git +S: Supported + JME NETWORK DRIVER P: Guo-Fu Tseng M: cooldavid@cooldavid.org @@ -2358,24 +2377,6 @@ L: linux-mtd@lists.infradead.org W: http://www.linux-mtd.infradead.org/doc/jffs2.html S: Maintained -UBI FILE SYSTEM (UBIFS) -P: Artem Bityutskiy -M: dedekind@infradead.org -P: Adrian Hunter -M: ext-adrian.hunter@nokia.com -L: linux-mtd@lists.infradead.org -T: git git://git.infradead.org/~dedekind/ubifs-2.6.git -W: http://www.linux-mtd.infradead.org/doc/ubifs.html -S: Maintained - -JFS FILESYSTEM -P: Dave Kleikamp -M: shaggy@austin.ibm.com -L: jfs-discussion@lists.sourceforge.net -W: http://jfs.sourceforge.net/ -T: git kernel.org:/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git -S: Supported - JOURNALLING LAYER FOR BLOCK DEVICES (JBD) P: Stephen Tweedie, Andrew Morton M: sct@redhat.com, akpm@linux-foundation.org @@ -2612,11 +2613,6 @@ W: http://www.pasemi.com/ L: linuxppc-dev@ozlabs.org S: Supported -LLC (802.2) -P: Arnaldo Carvalho de Melo -M: acme@ghostprotocols.net -S: Maintained - LINUX SECURITY MODULE (LSM) FRAMEWORK P: Chris Wright M: chrisw@sous-sol.org @@ -2624,6 +2620,11 @@ L: linux-security-module@vger.kernel.org T: git kernel.org:/pub/scm/linux/kernel/git/chrisw/lsm-2.6.git S: Supported +LLC (802.2) +P: Arnaldo Carvalho de Melo +M: acme@ghostprotocols.net +S: Maintained + LM83 HARDWARE MONITOR DRIVER P: Jean Delvare M: khali@linux-fr.org @@ -2724,14 +2725,6 @@ M: kaber@trash.net L: netdev@vger.kernel.org S: Maintained -MARVELL YUKON / SYSKONNECT DRIVER -P: Mirko Lindner -M: mlindner@syskonnect.de -P: Ralph Roesler -M: rroesler@syskonnect.de -W: http://www.syskonnect.com -S: Supported - MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7 P: Michael Kerrisk M: mtk.manpages@gmail.com @@ -2751,6 +2744,14 @@ M: buytenh@marvell.com L: netdev@vger.kernel.org S: Supported +MARVELL YUKON / SYSKONNECT DRIVER +P: Mirko Lindner +M: mlindner@syskonnect.de +P: Ralph Roesler +M: rroesler@syskonnect.de +W: http://www.syskonnect.com +S: Supported + MATROX FRAMEBUFFER DRIVER P: Petr Vandrovec M: vandrove@vc.cvut.cz @@ -2787,15 +2788,6 @@ L: linux-mm@kvack.org L: linux-kernel@vger.kernel.org S: Maintained -MEI MN10300/AM33 PORT -P: David Howells -M: dhowells@redhat.com -P: Koichi Yasutake -M: yasutake.koichi@jp.panasonic.com -L: linux-am33-list@redhat.com (moderated for non-subscribers) -W: ftp://ftp.redhat.com/pub/redhat/gnupro/AM33/ -S: Maintained - MEMORY TECHNOLOGY DEVICES (MTD) P: David Woodhouse M: dwmw2@infradead.org @@ -2804,12 +2796,13 @@ L: linux-mtd@lists.infradead.org T: git git://git.infradead.org/mtd-2.6.git S: Maintained -UNSORTED BLOCK IMAGES (UBI) -P: Artem Bityutskiy -M: dedekind@infradead.org -W: http://www.linux-mtd.infradead.org/ -L: linux-mtd@lists.infradead.org -T: git git://git.infradead.org/~dedekind/ubi-2.6.git +MEI MN10300/AM33 PORT +P: David Howells +M: dhowells@redhat.com +P: Koichi Yasutake +M: yasutake.koichi@jp.panasonic.com +L: linux-am33-list@redhat.com (moderated for non-subscribers) +W: ftp://ftp.redhat.com/pub/redhat/gnupro/AM33/ S: Maintained MICROTEK X6 SCANNER @@ -3043,17 +3036,6 @@ L: netdev@vger.kernel.org W: http://www.netxen.com S: Supported -IPVS -P: Wensong Zhang -M: wensong@linux-vs.org -P: Simon Horman -M: horms@verge.net.au -P: Julian Anastasov -M: ja@ssi.bg -L: netdev@vger.kernel.org -L: lvs-devel@vger.kernel.org -S: Maintained - NFS, SUNRPC, AND LOCKD CLIENTS P: Trond Myklebust M: Trond.Myklebust@netapp.com @@ -3099,22 +3081,6 @@ M: adaplas@gmail.com L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) S: Maintained -OPENCORES I2C BUS DRIVER -P: Peter Korsgaard -M: jacmet@sunsite.dk -L: i2c@lm-sensors.org -S: Maintained - -ORACLE CLUSTER FILESYSTEM 2 (OCFS2) -P: Mark Fasheh -M: mfasheh@suse.com -P: Joel Becker -M: joel.becker@oracle.com -L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers) -W: http://oss.oracle.com/projects/ocfs2/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2.git -S: Supported - OMFS FILESYSTEM P: Bob Copeland M: me@bobcopeland.com @@ -3150,12 +3116,28 @@ L: osst-users@lists.sourceforge.net L: linux-scsi@vger.kernel.org S: Maintained +OPENCORES I2C BUS DRIVER +P: Peter Korsgaard +M: jacmet@sunsite.dk +L: i2c@lm-sensors.org +S: Maintained + OPROFILE P: Robert Richter M: robert.richter@amd.com L: oprofile-list@lists.sf.net S: Maintained +ORACLE CLUSTER FILESYSTEM 2 (OCFS2) +P: Mark Fasheh +M: mfasheh@suse.com +P: Joel Becker +M: joel.becker@oracle.com +L: ocfs2-devel@oss.oracle.com (moderated for non-subscribers) +W: http://oss.oracle.com/projects/ocfs2/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2.git +S: Supported + ORINOCO DRIVER P: Pavel Roskin M: proski@gnu.org @@ -3167,6 +3149,14 @@ L: orinoco-devel@lists.sourceforge.net W: http://www.nongnu.org/orinoco/ S: Maintained +P54 WIRELESS DRIVER +P: Michael Wu +M: flamingice@sourmilk.net +L: linux-wireless@vger.kernel.org +W: http://prism54.org +T: git kernel.org:/pub/scm/linux/kernel/git/mwu/mac80211-drivers.git +S: Maintained + PA SEMI ETHERNET DRIVER P: Olof Johansson M: olof@lixom.net @@ -3183,25 +3173,6 @@ PARALLEL PORT SUPPORT L: linux-parport@lists.infradead.org (subscribers-only) S: Orphan -PARIDE DRIVERS FOR PARALLEL PORT IDE DEVICES -P: Tim Waugh -M: tim@cyberelk.net -L: linux-parport@lists.infradead.org (subscribers-only) -W: http://www.torque.net/linux-pp.html -S: Maintained - -PARISC ARCHITECTURE -P: Kyle McMartin -M: kyle@mcmartin.ca -P: Matthew Wilcox -M: matthew@wil.cx -P: Grant Grundler -M: grundler@parisc-linux.org -L: linux-parisc@vger.kernel.org -W: http://www.parisc-linux.org/ -T: git kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6.git -S: Maintained - PARAVIRT_OPS INTERFACE P: Jeremy Fitzhardinge M: jeremy@xensource.com @@ -3215,6 +3186,25 @@ L: virtualization@lists.osdl.org L: linux-kernel@vger.kernel.org S: Supported +PARIDE DRIVERS FOR PARALLEL PORT IDE DEVICES +P: Tim Waugh +M: tim@cyberelk.net +L: linux-parport@lists.infradead.org (subscribers-only) +W: http://www.torque.net/linux-pp.html +S: Maintained + +PARISC ARCHITECTURE +P: Kyle McMartin +M: kyle@mcmartin.ca +P: Matthew Wilcox +M: matthew@wil.cx +P: Grant Grundler +M: grundler@parisc-linux.org +L: linux-parisc@vger.kernel.org +W: http://www.parisc-linux.org/ +T: git kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6.git +S: Maintained + PC87360 HARDWARE MONITORING DRIVER P: Jim Cromie M: jim.cromie@gmail.com @@ -3344,14 +3334,6 @@ L: kpreempt-tech@lists.sourceforge.net W: ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel S: Supported -P54 WIRELESS DRIVER -P: Michael Wu -M: flamingice@sourmilk.net -L: linux-wireless@vger.kernel.org -W: http://prism54.org -T: git kernel.org:/pub/scm/linux/kernel/git/mwu/mac80211-drivers.git -S: Maintained - PRISM54 WIRELESS DRIVER P: Luis R. Rodriguez M: mcgrof@gmail.com @@ -3442,12 +3424,6 @@ M: paulus@samba.org L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) S: Maintained -RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER -P: Corey Thomas -M: coreythomas@charter.net -L: linux-wireless@vger.kernel.org -S: Maintained - RALINK RT2X00 WLAN DRIVER P: rt2x00 project L: linux-wireless@vger.kernel.org @@ -3473,6 +3449,18 @@ M: mporter@kernel.crashing.org L: linux-kernel@vger.kernel.org S: Maintained +RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER +P: Corey Thomas +M: coreythomas@charter.net +L: linux-wireless@vger.kernel.org +S: Maintained + +RCUTORTURE MODULE +P: Josh Triplett +M: josh@freedesktop.org +L: linux-kernel@vger.kernel.org +S: Maintained + RDC R-321X SoC P: Florian Fainelli M: florian.fainelli@telecomint.eu @@ -3492,12 +3480,6 @@ W: http://www.rdrop.com/users/paulmck/rclock/ L: linux-kernel@vger.kernel.org S: Supported -RCUTORTURE MODULE -P: Josh Triplett -M: josh@freedesktop.org -L: linux-kernel@vger.kernel.org -S: Maintained - REAL TIME CLOCK DRIVER P: Paul Gortmaker M: p_gortmaker@yahoo.com @@ -3521,6 +3503,9 @@ L: netdev@vger.kernel.org S: Maintained F: net/rfkill +RISCOM8 DRIVER +S: Orphan + ROCKETPORT DRIVER P: Comtrol Corp. W: http://www.comtrol.com @@ -3533,9 +3518,6 @@ L: linux-hams@vger.kernel.org W: http://www.linux-ax25.org/ S: Maintained -RISCOM8 DRIVER -S: Orphan - RTL818X WIRELESS DRIVER P: Michael Wu M: flamingice@sourmilk.net @@ -3675,6 +3657,12 @@ M: saschasommer@freenet.de L: sdricohcs-devel@lists.sourceforge.net (subscribers-only) S: Maintained +SECURE DIGITAL HOST CONTROLLER INTERFACE DRIVER +P: Pierre Ossman +M: drzeus-sdhci@drzeus.cx +L: sdhci-devel@list.drzeus.cx +S: Maintained + SECURITY CONTACT P: Security Officers M: security@kernel.org @@ -3705,12 +3693,6 @@ L: linux-ide@vger.kernel.org T: git kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git S: Supported -SGI SN-IA64 (Altix) SERIAL CONSOLE DRIVER -P: Pat Gefre -M: pfg@sgi.com -L: linux-ia64@vger.kernel.org -S: Supported - SFC NETWORK DRIVER P: Steve Hodgson P: Ben Hutchings @@ -3718,6 +3700,17 @@ P: Robert Stonehouse M: linux-net-drivers@solarflare.com S: Supported +SGI GRU DRIVER +P: Jack Steiner +M: steiner@sgi.com +S: Maintained + +SGI SN-IA64 (Altix) SERIAL CONSOLE DRIVER +P: Pat Gefre +M: pfg@sgi.com +L: linux-ia64@vger.kernel.org +S: Supported + SGI VISUAL WORKSTATION 320 AND 540 P: Andrey Panin M: pazke@donpac.ru @@ -3725,16 +3718,24 @@ L: linux-visws-devel@lists.sf.net W: http://linux-visws.sf.net S: Maintained for 2.6. -SGI GRU DRIVER -P: Jack Steiner -M: steiner@sgi.com -S: Maintained - SGI XP/XPC/XPNET DRIVER P: Dean Nelson M: dcn@sgi.com S: Maintained +SHARP LH SUPPORT (LH7952X & LH7A40X) +P: Marc Singer +M: elf@buici.com +W: http://projects.buici.com/arm +L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) +S: Maintained + +SHPC HOTPLUG DRIVER +P: Kristen Carlson Accardi +M: kristen.c.accardi@intel.com +L: linux-pci@vger.kernel.org +S: Supported + SIMTEC EB110ATX (Chalice CATS) P: Ben Dooks P: Vincent Sanders @@ -3780,6 +3781,12 @@ M: thomas@winischhofer.net W: http://www.winischhofer.at/linuxsisusbvga.shtml S: Maintained +SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS +P: Stephen Hemminger +M: shemminger@linux-foundation.org +L: netdev@vger.kernel.org +S: Maintained + SLAB ALLOCATOR P: Christoph Lameter M: cl@linux-foundation.org @@ -3806,12 +3813,25 @@ P: Ben Nizette M: bn@niasdigital.com S: Maintained +SN-IA64 (Itanium) SUB-PLATFORM +P: Jes Sorensen +M: jes@sgi.com +L: linux-altix@sgi.com +L: linux-ia64@vger.kernel.org +W: http://www.sgi.com/altix +S: Maintained + SOC-CAMERA V4L2 SUBSYSTEM P: Guennadi Liakhovetski M: g.liakhovetski@gmx.de L: video4linux-list@redhat.com S: Maintained +SOEKRIS NET48XX LED SUPPORT +P: Chris Boot +M: bootc@bootc.net +S: Maintained + SOFTWARE RAID (Multiple Disks) SUPPORT P: Ingo Molnar M: mingo@redhat.com @@ -3820,24 +3840,6 @@ M: neilb@suse.de L: linux-raid@vger.kernel.org S: Supported -HIBERNATION (aka Software Suspend, aka swsusp): -P: Pavel Machek -M: pavel@suse.cz -P: Rafael J. Wysocki -M: rjw@sisk.pl -L: linux-pm@lists.linux-foundation.org -S: Supported - -SUSPEND TO RAM: -P: Len Brown -M: len.brown@intel.com -P: Pavel Machek -M: pavel@suse.cz -P: Rafael J. Wysocki -M: rjw@sisk.pl -L: linux-pm@lists.linux-foundation.org -S: Supported - SONIC NETWORK DRIVER P: Thomas Bogendoerfer M: tsbogend@alpha.franken.de @@ -3882,58 +3884,6 @@ L: alsa-devel@alsa-project.org (subscribers-only) W: http://alsa-project.org/main/index.php/ASoC S: Supported -SPI SUBSYSTEM -P: David Brownell -M: dbrownell@users.sourceforge.net -L: spi-devel-general@lists.sourceforge.net -S: Maintained - -SPU FILE SYSTEM -P: Jeremy Kerr -M: jk@ozlabs.org -L: linuxppc-dev@ozlabs.org -L: cbe-oss-dev@ozlabs.org -W: http://www.ibm.com/developerworks/power/cell/ -S: Supported - -STABLE BRANCH: -P: Greg Kroah-Hartman -M: greg@kroah.com -P: Chris Wright -M: chrisw@sous-sol.org -L: stable@kernel.org -S: Maintained - -SHARP LH SUPPORT (LH7952X & LH7A40X) -P: Marc Singer -M: elf@buici.com -W: http://projects.buici.com/arm -L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) -S: Maintained - -SHPC HOTPLUG DRIVER -P: Kristen Carlson Accardi -M: kristen.c.accardi@intel.com -L: linux-pci@vger.kernel.org -S: Supported - -SECURE DIGITAL HOST CONTROLLER INTERFACE DRIVER -P: Pierre Ossman -M: drzeus-sdhci@drzeus.cx -L: sdhci-devel@list.drzeus.cx -S: Maintained - -SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS -P: Stephen Hemminger -M: shemminger@linux-foundation.org -L: netdev@vger.kernel.org -S: Maintained - -SOEKRIS NET48XX LED SUPPORT -P: Chris Boot -M: bootc@bootc.net -S: Maintained - SPARC (sparc32): P: William L. Irwin M: wli@holomorphy.com @@ -3946,6 +3896,12 @@ M: R.E.Wolff@BitWizard.nl L: linux-kernel@vger.kernel.org ? S: Supported +SPI SUBSYSTEM +P: David Brownell +M: dbrownell@users.sourceforge.net +L: spi-devel-general@lists.sourceforge.net +S: Maintained + SPIDERNET NETWORK DRIVER for CELL P: Ishizaki Kou M: kou.ishizaki@toshiba.co.jp @@ -3954,12 +3910,28 @@ M: jens@de.ibm.com L: netdev@vger.kernel.org S: Supported +SPU FILE SYSTEM +P: Jeremy Kerr +M: jk@ozlabs.org +L: linuxppc-dev@ozlabs.org +L: cbe-oss-dev@ozlabs.org +W: http://www.ibm.com/developerworks/power/cell/ +S: Supported + SRM (Alpha) environment access P: Jan-Benedict Glaw M: jbglaw@lug-owl.de L: linux-kernel@vger.kernel.org S: Maintained +STABLE BRANCH: +P: Greg Kroah-Hartman +M: greg@kroah.com +P: Chris Wright +M: chrisw@sous-sol.org +L: stable@kernel.org +S: Maintained + STARFIRE/DURALAN NETWORK DRIVER P: Ion Badulescu M: ionut@cs.columbia.edu @@ -3975,6 +3947,12 @@ M: laredo@gnu.org W: http://www.stradis.com/ S: Maintained +SUN3/3X +P: Sam Creasey +M: sammy@sammy.net +W: http://sammy.net/sun3/ +S: Maintained + SUPERH P: Paul Mundt M: lethal@linux-sh.org @@ -3983,11 +3961,15 @@ W: http://www.linux-sh.org T: git kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.git S: Supported -SUN3/3X -P: Sam Creasey -M: sammy@sammy.net -W: http://sammy.net/sun3/ -S: Maintained +SUSPEND TO RAM: +P: Len Brown +M: len.brown@intel.com +P: Pavel Machek +M: pavel@suse.cz +P: Rafael J. Wysocki +M: rjw@sisk.pl +L: linux-pm@lists.linux-foundation.org +S: Supported SVGA HANDLING P: Martin Mares @@ -4147,6 +4129,16 @@ M: ballabio_dario@emc.com L: linux-scsi@vger.kernel.org S: Maintained +UBI FILE SYSTEM (UBIFS) +P: Artem Bityutskiy +M: dedekind@infradead.org +P: Adrian Hunter +M: ext-adrian.hunter@nokia.com +L: linux-mtd@lists.infradead.org +T: git git://git.infradead.org/~dedekind/ubifs-2.6.git +W: http://www.linux-mtd.infradead.org/doc/ubifs.html +S: Maintained + UCLINUX (AND M68KNOMMU) P: Greg Ungerer M: gerg@uclinux.org @@ -4186,6 +4178,14 @@ L: linux-kernel@vger.kernel.org W: http://www.kernel.dk S: Maintained +UNSORTED BLOCK IMAGES (UBI) +P: Artem Bityutskiy +M: dedekind@infradead.org +W: http://www.linux-mtd.infradead.org/ +L: linux-mtd@lists.infradead.org +T: git git://git.infradead.org/~dedekind/ubi-2.6.git +S: Maintained + USB ACM DRIVER P: Oliver Neukum M: oliver@neukum.name @@ -4608,6 +4608,17 @@ M: eis@baty.hanse.de L: linux-x25@vger.kernel.org S: Maintained +X86 ARCHITECTURE (32-BIT AND 64-BIT) +P: Thomas Gleixner +M: tglx@linutronix.de +P: Ingo Molnar +M: mingo@redhat.com +P: H. Peter Anvin +M: hpa@zytor.com +L: linux-kernel@vger.kernel.org +T: git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git +S: Maintained + XEN HYPERVISOR INTERFACE P: Jeremy Fitzhardinge M: jeremy@xensource.com @@ -4639,17 +4650,6 @@ M: jacmet@sunsite.dk L: linux-serial@vger.kernel.org S: Maintained -X86 ARCHITECTURE (32-BIT AND 64-BIT) -P: Thomas Gleixner -M: tglx@linutronix.de -P: Ingo Molnar -M: mingo@redhat.com -P: H. Peter Anvin -M: hpa@zytor.com -L: linux-kernel@vger.kernel.org -T: git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git -S: Maintained - YAM DRIVER FOR AX.25 P: Jean-Paul Roubelat M: jpr@f6fbb.org -- GitLab From e7839f25df8e3129a1cbbfb9484452982098530f Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 12 Oct 2008 16:11:45 -0700 Subject: [PATCH 4041/6244] MAINTAINERS: add F: and acronyms Add F: definition since it is being used. Expand acronyms or add them so that users of MAINTAINERS file can find entries more easily. Correct driver spelling. Signed-off-by: Randy Dunlap Signed-off-by: Linus Torvalds --- MAINTAINERS | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 676f0f81b9e1..415901c67e14 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -73,6 +73,7 @@ L: Mailing list that is relevant to this area W: Web-page with status/info T: SCM tree type and location. Type is one of: git, hg, quilt. S: Status, one of the following: +F: Applicable files and/or directories Supported: Someone is actually paid to look after this. Maintained: Someone actually looks after it. @@ -723,7 +724,7 @@ L: linux-kernel@vger.kernel.org W: http://sourceforge.net/projects/xscaleiop S: Supported -ATA OVER ETHERNET DRIVER +ATA OVER ETHERNET (AOE) DRIVER P: Ed L. Cashin M: ecashin@coraid.com W: http://www.coraid.com/support/linux @@ -1376,7 +1377,7 @@ L: Eng.Linux@digi.com W: http://www.digi.com S: Orphan -DIRECTORY NOTIFICATION +DIRECTORY NOTIFICATION (DNOTIFY) P: Stephen Rothwell M: sfr@canb.auug.org.au L: linux-kernel@vger.kernel.org @@ -1396,7 +1397,7 @@ M: jack@suse.cz L: linux-kernel@vger.kernel.org S: Maintained -DISTRIBUTED LOCK MANAGER +DISTRIBUTED LOCK MANAGER (DLM) P: Christine Caulfield M: ccaulfie@redhat.com P: David Teigland @@ -2298,7 +2299,7 @@ L: netdev@vger.kernel.org L: lvs-devel@vger.kernel.org S: Maintained -IPWIRELES DRIVER +IPWIRELESS DRIVER P: Jiri Kosina M: jkosina@suse.cz P: David Sterba @@ -3424,7 +3425,7 @@ M: paulus@samba.org L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) S: Maintained -RALINK RT2X00 WLAN DRIVER +RALINK RT2X00 WIRELESS LAN DRIVER P: rt2x00 project L: linux-wireless@vger.kernel.org L: rt2400-devel@lists.sourceforge.net @@ -3657,7 +3658,7 @@ M: saschasommer@freenet.de L: sdricohcs-devel@lists.sourceforge.net (subscribers-only) S: Maintained -SECURE DIGITAL HOST CONTROLLER INTERFACE DRIVER +SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER P: Pierre Ossman M: drzeus-sdhci@drzeus.cx L: sdhci-devel@list.drzeus.cx @@ -4455,7 +4456,7 @@ L: video4linux-list@redhat.com W: http://royale.zerezo.com/zr364xx/ S: Maintained -USER-MODE LINUX +USER-MODE LINUX (UML) P: Jeff Dike M: jdike@addtoit.com L: user-mode-linux-devel@lists.sourceforge.net @@ -4502,7 +4503,7 @@ M: romieu@fr.zoreil.com L: netdev@vger.kernel.org S: Maintained -VIDEO FOR LINUX +VIDEO FOR LINUX (V4L) P: Mauro Carvalho Chehab M: mchehab@infradead.org M: v4l-dvb-maintainer@linuxtv.org -- GitLab From 4480f15b3306f43bbb0310d461142b4e897ca45b Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 12 Oct 2008 16:11:58 -0700 Subject: [PATCH 4042/6244] MAINTAINERS: remove colon from headings Remove ending ':' from some of the Topic lines for consistency. Signed-off-by: Randy Dunlap Signed-off-by: Linus Torvalds --- MAINTAINERS | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 415901c67e14..6ba3ee822838 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1391,7 +1391,7 @@ W: http://www.win.tue.nl/~aeb/linux/zip/zip-1.html W: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html S: Maintained -DISKQUOTA: +DISKQUOTA P: Jan Kara M: jack@suse.cz L: linux-kernel@vger.kernel.org @@ -1601,7 +1601,7 @@ EFS FILESYSTEM W: http://aeschi.ch.eu.org/efs/ S: Orphan -EHCA (IBM GX bus InfiniBand adapter) DRIVER: +EHCA (IBM GX bus InfiniBand adapter) DRIVER P: Hoang-Nam Nguyen M: hnguyen@de.ibm.com P: Christoph Raisch @@ -1912,7 +1912,7 @@ L: linux-nvidia@lists.surfsouth.com W: http://drama.obuda.kando.hu/~fero/cgi-bin/hgafb.shtml S: Maintained -HIBERNATION (aka Software Suspend, aka swsusp): +HIBERNATION (aka Software Suspend, aka swsusp) P: Pavel Machek M: pavel@suse.cz P: Rafael J. Wysocki @@ -2252,7 +2252,7 @@ M: pfg@sgi.com L: linux-mips@linux-mips.org S: Maintained -IP MASQUERADING: +IP MASQUERADING P: Juanjo Ciarlante M: jjciarla@raiz.uncu.edu.ar S: Maintained @@ -2267,7 +2267,7 @@ M: jesse@icplus.com.tw L: netdev@vger.kernel.org S: Maintained -IPATH DRIVER: +IPATH DRIVER P: Ralph Campbell M: infinipath@qlogic.com L: general@lists.openfabrics.org @@ -3687,7 +3687,7 @@ P: Jiri Slaby M: jirislaby@gmail.com S: Maintained -SERIAL ATA (SATA) SUBSYSTEM: +SERIAL ATA (SATA) SUBSYSTEM P: Jeff Garzik M: jgarzik@pobox.com L: linux-ide@vger.kernel.org @@ -3885,7 +3885,7 @@ L: alsa-devel@alsa-project.org (subscribers-only) W: http://alsa-project.org/main/index.php/ASoC S: Supported -SPARC (sparc32): +SPARC (sparc32) P: William L. Irwin M: wli@holomorphy.com L: sparclinux@vger.kernel.org @@ -3962,7 +3962,7 @@ W: http://www.linux-sh.org T: git kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.git S: Supported -SUSPEND TO RAM: +SUSPEND TO RAM P: Len Brown M: len.brown@intel.com P: Pavel Machek @@ -4016,7 +4016,7 @@ P: Mark Gross M: mark.gross@intel.com S: Supported -TENSILICA XTENSA PORT (xtensa): +TENSILICA XTENSA PORT (xtensa) P: Chris Zankel M: chris@zankel.net S: Maintained @@ -4165,7 +4165,7 @@ M: dushistov@mail.ru L: linux-kernel@vger.kernel.org S: Maintained -UltraSPARC (sparc64): +UltraSPARC (sparc64) P: David S. Miller M: davem@davemloft.net L: sparclinux@vger.kernel.org @@ -4480,7 +4480,7 @@ W: http://kernel.org/~kzak/util-linux-ng/ T: git://git.kernel.org/pub/scm/utils/util-linux-ng/util-linux-ng.git S: Maintained -VFAT/FAT/MSDOS FILESYSTEM: +VFAT/FAT/MSDOS FILESYSTEM P: OGAWA Hirofumi M: hirofumi@mail.parknet.co.jp L: linux-kernel@vger.kernel.org -- GitLab From 5817b52a298adce69e01acf2c131b3dcfda65d64 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 24 Sep 2008 11:23:11 +0100 Subject: [PATCH 4043/6244] ALSA: ASoC: Allow machine drivers to mark pins as not connected Add a new API call snd_soc_dapm_nc_pin() which allows machine drivers to mark pins as being permanently disabled. At present this is identical to snd_soc_dapm_disable_pin() except in terms of improving the internal documentation of machine drivers that use it. The intention is that in future it will be extended to provide additional features such as hiding controls that are only relevant to paths using the disconnected pin. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- include/sound/soc-dapm.h | 1 + sound/soc/soc-dapm.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index c1b26fcc0b5c..ca699a3017f3 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -240,6 +240,7 @@ int snd_soc_dapm_sys_add(struct device *dev); /* dapm audio pin control and status */ int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, char *pin); int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, char *pin); +int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, char *pin); int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, char *pin); int snd_soc_dapm_sync(struct snd_soc_codec *codec); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 9ca9c08610fa..83fa9c47b660 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1483,6 +1483,26 @@ int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, char *pin) } EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin); +/** + * snd_soc_dapm_nc_pin - permanently disable pin. + * @codec: SoC codec + * @pin: pin name + * + * Marks the specified pin as being not connected, disabling it along + * any parent or child widgets. At present this is identical to + * snd_soc_dapm_disable_pin() but in future it will be extended to do + * additional things such as disabling controls which only affect + * paths through the pin. + * + * NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to + * do any widget power switching. + */ +int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, char *pin) +{ + return snd_soc_dapm_set_pin(codec, pin, 0); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin); + /** * snd_soc_dapm_get_pin_status - get audio pin status * @codec: audio codec -- GitLab From b1cbc21c8e0cb9d253dc1388f24495b68261821a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 24 Sep 2008 11:33:05 +0100 Subject: [PATCH 4044/6244] ALSA: ASoC: Use snd_soc_dapm_nc_pin() in GTA01 audio driver Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/s3c24xx/neo1973_wm8753.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 73a50e93a9a2..006c36ded257 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -511,13 +511,12 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec) DBG("Entered %s\n", __func__); /* set up NC codec pins */ - snd_soc_dapm_disable_pin(codec, "LOUT2"); - snd_soc_dapm_disable_pin(codec, "ROUT2"); - snd_soc_dapm_disable_pin(codec, "OUT3"); - snd_soc_dapm_disable_pin(codec, "OUT4"); - snd_soc_dapm_disable_pin(codec, "LINE1"); - snd_soc_dapm_disable_pin(codec, "LINE2"); - + snd_soc_dapm_nc_pin(codec, "LOUT2"); + snd_soc_dapm_nc_pin(codec, "ROUT2"); + snd_soc_dapm_nc_pin(codec, "OUT3"); + snd_soc_dapm_nc_pin(codec, "OUT4"); + snd_soc_dapm_nc_pin(codec, "LINE1"); + snd_soc_dapm_nc_pin(codec, "LINE2"); /* set endpoints to default mode */ set_scenario_endpoints(codec, NEO_AUDIO_OFF); -- GitLab From 5cabc1a8b3acc4babd69f2c91a6ab4468dac6663 Mon Sep 17 00:00:00 2001 From: Frank Mandarino Date: Tue, 30 Sep 2008 10:42:40 -0400 Subject: [PATCH 4045/6244] ALSA: ASoC: Remove references to Endrelia ETI-B1 board The ASoC machine drivers for this board were only provided as examples for the new AT91 ASoC platform driver. Since the ETI-B1 board is proprietary and there are other AT91 ASoC machine drivers available, it makes sense to remove these drivers. Signed-off-by: Frank Mandarino Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/at91/Kconfig | 17 -- sound/soc/at91/Makefile | 5 - sound/soc/at91/eti_b1_wm8731.c | 349 --------------------------------- 3 files changed, 371 deletions(-) delete mode 100644 sound/soc/at91/eti_b1_wm8731.c diff --git a/sound/soc/at91/Kconfig b/sound/soc/at91/Kconfig index 905186502e00..85a883299c2e 100644 --- a/sound/soc/at91/Kconfig +++ b/sound/soc/at91/Kconfig @@ -8,20 +8,3 @@ config SND_AT91_SOC config SND_AT91_SOC_SSC tristate - -config SND_AT91_SOC_ETI_B1_WM8731 - tristate "SoC Audio support for WM8731-based Endrelia ETI-B1 boards" - depends on SND_AT91_SOC && (MACH_ETI_B1 || MACH_ETI_C1) - select SND_AT91_SOC_SSC - select SND_SOC_WM8731 - help - Say Y if you want to add support for SoC audio on WM8731-based - Endrelia Technologies Inc ETI-B1 or ETI-C1 boards. - -config SND_AT91_SOC_ETI_SLAVE - bool "Run codec in slave Mode on Endrelia boards" - depends on SND_AT91_SOC_ETI_B1_WM8731 - default n - help - Say Y if you want to run with the AT91 SSC generating the BCLK - and LRC signals on Endrelia boards. diff --git a/sound/soc/at91/Makefile b/sound/soc/at91/Makefile index f23da17cc328..b817f11df286 100644 --- a/sound/soc/at91/Makefile +++ b/sound/soc/at91/Makefile @@ -4,8 +4,3 @@ snd-soc-at91-ssc-objs := at91-ssc.o obj-$(CONFIG_SND_AT91_SOC) += snd-soc-at91.o obj-$(CONFIG_SND_AT91_SOC_SSC) += snd-soc-at91-ssc.o - -# AT91 Machine Support -snd-soc-eti-b1-wm8731-objs := eti_b1_wm8731.o - -obj-$(CONFIG_SND_AT91_SOC_ETI_B1_WM8731) += snd-soc-eti-b1-wm8731.o diff --git a/sound/soc/at91/eti_b1_wm8731.c b/sound/soc/at91/eti_b1_wm8731.c deleted file mode 100644 index 684781e4088b..000000000000 --- a/sound/soc/at91/eti_b1_wm8731.c +++ /dev/null @@ -1,349 +0,0 @@ -/* - * eti_b1_wm8731 -- SoC audio for AT91RM9200-based Endrelia ETI_B1 board. - * - * Author: Frank Mandarino - * Endrelia Technologies Inc. - * Created: Mar 29, 2006 - * - * Based on corgi.c by: - * - * Copyright 2005 Wolfson Microelectronics PLC. - * Copyright 2005 Openedhand Ltd. - * - * Authors: Liam Girdwood - * Richard Purdie - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "../codecs/wm8731.h" -#include "at91-pcm.h" -#include "at91-ssc.h" - -#if 0 -#define DBG(x...) printk(KERN_INFO "eti_b1_wm8731: " x) -#else -#define DBG(x...) -#endif - -static struct clk *pck1_clk; -static struct clk *pllb_clk; - - -static int eti_b1_startup(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - int ret; - - /* cpu clock is the AT91 master clock sent to the SSC */ - ret = snd_soc_dai_set_sysclk(cpu_dai, AT91_SYSCLK_MCK, - 60000000, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* codec system clock is supplied by PCK1, set to 12MHz */ - ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK, - 12000000, SND_SOC_CLOCK_IN); - if (ret < 0) - return ret; - - /* Start PCK1 clock. */ - clk_enable(pck1_clk); - DBG("pck1 started\n"); - - return 0; -} - -static void eti_b1_shutdown(struct snd_pcm_substream *substream) -{ - /* Stop PCK1 clock. */ - clk_disable(pck1_clk); - DBG("pck1 stopped\n"); -} - -static int eti_b1_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; - int ret; - -#ifdef CONFIG_SND_AT91_SOC_ETI_SLAVE - unsigned int rate; - int cmr_div, period; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); - if (ret < 0) - return ret; - - /* - * The SSC clock dividers depend on the sample rate. The CMR.DIV - * field divides the system master clock MCK to drive the SSC TK - * signal which provides the codec BCLK. The TCMR.PERIOD and - * RCMR.PERIOD fields further divide the BCLK signal to drive - * the SSC TF and RF signals which provide the codec DACLRC and - * ADCLRC clocks. - * - * The dividers were determined through trial and error, where a - * CMR.DIV value is chosen such that the resulting BCLK value is - * divisible, or almost divisible, by (2 * sample rate), and then - * the TCMR.PERIOD or RCMR.PERIOD is BCLK / (2 * sample rate) - 1. - */ - rate = params_rate(params); - - switch (rate) { - case 8000: - cmr_div = 25; /* BCLK = 60MHz/(2*25) = 1.2MHz */ - period = 74; /* LRC = BCLK/(2*(74+1)) = 8000Hz */ - break; - case 32000: - cmr_div = 7; /* BCLK = 60MHz/(2*7) ~= 4.28571428MHz */ - period = 66; /* LRC = BCLK/(2*(66+1)) = 31982.942Hz */ - break; - case 48000: - cmr_div = 13; /* BCLK = 60MHz/(2*13) ~= 2.3076923MHz */ - period = 23; /* LRC = BCLK/(2*(23+1)) = 48076.923Hz */ - break; - default: - printk(KERN_WARNING "unsupported rate %d on ETI-B1 board\n", rate); - return -EINVAL; - } - - /* set the MCK divider for BCLK */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, AT91SSC_CMR_DIV, cmr_div); - if (ret < 0) - return ret; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - /* set the BCLK divider for DACLRC */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, - AT91SSC_TCMR_PERIOD, period); - } else { - /* set the BCLK divider for ADCLRC */ - ret = snd_soc_dai_set_clkdiv(cpu_dai, - AT91SSC_RCMR_PERIOD, period); - } - if (ret < 0) - return ret; - -#else /* CONFIG_SND_AT91_SOC_ETI_SLAVE */ - /* - * Codec in Master Mode. - */ - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); - if (ret < 0) - return ret; - -#endif /* CONFIG_SND_AT91_SOC_ETI_SLAVE */ - - return 0; -} - -static struct snd_soc_ops eti_b1_ops = { - .startup = eti_b1_startup, - .hw_params = eti_b1_hw_params, - .shutdown = eti_b1_shutdown, -}; - - -static const struct snd_soc_dapm_widget eti_b1_dapm_widgets[] = { - SND_SOC_DAPM_MIC("Int Mic", NULL), - SND_SOC_DAPM_SPK("Ext Spk", NULL), -}; - -static const struct snd_soc_dapm_route intercon[] = { - - /* speaker connected to LHPOUT */ - {"Ext Spk", NULL, "LHPOUT"}, - - /* mic is connected to Mic Jack, with WM8731 Mic Bias */ - {"MICIN", NULL, "Mic Bias"}, - {"Mic Bias", NULL, "Int Mic"}, -}; - -/* - * Logic for a wm8731 as connected on a Endrelia ETI-B1 board. - */ -static int eti_b1_wm8731_init(struct snd_soc_codec *codec) -{ - DBG("eti_b1_wm8731_init() called\n"); - - /* Add specific widgets */ - snd_soc_dapm_new_controls(codec, eti_b1_dapm_widgets, - ARRAY_SIZE(eti_b1_dapm_widgets)); - - /* Set up specific audio path interconnects */ - snd_soc_dapm_add_route(codec, intercon, ARRAY_SIZE(intercon)); - - /* not connected */ - snd_soc_dapm_disable_pin(codec, "RLINEIN"); - snd_soc_dapm_disable_pin(codec, "LLINEIN"); - - /* always connected */ - snd_soc_dapm_enable_pin(codec, "Int Mic"); - snd_soc_dapm_enable_pin(codec, "Ext Spk"); - - snd_soc_dapm_sync(codec); - - return 0; -} - -static struct snd_soc_dai_link eti_b1_dai = { - .name = "WM8731", - .stream_name = "WM8731 PCM", - .cpu_dai = &at91_ssc_dai[1], - .codec_dai = &wm8731_dai, - .init = eti_b1_wm8731_init, - .ops = &eti_b1_ops, -}; - -static struct snd_soc_machine snd_soc_machine_eti_b1 = { - .name = "ETI_B1_WM8731", - .dai_link = &eti_b1_dai, - .num_links = 1, -}; - -static struct wm8731_setup_data eti_b1_wm8731_setup = { - .i2c_bus = 0, - .i2c_address = 0x1a, -}; - -static struct snd_soc_device eti_b1_snd_devdata = { - .machine = &snd_soc_machine_eti_b1, - .platform = &at91_soc_platform, - .codec_dev = &soc_codec_dev_wm8731, - .codec_data = &eti_b1_wm8731_setup, -}; - -static struct platform_device *eti_b1_snd_device; - -static int __init eti_b1_init(void) -{ - int ret; - struct at91_ssc_periph *ssc = eti_b1_dai.cpu_dai->private_data; - - if (!request_mem_region(AT91RM9200_BASE_SSC1, SZ_16K, "soc-audio")) { - DBG("SSC1 memory region is busy\n"); - return -EBUSY; - } - - ssc->base = ioremap(AT91RM9200_BASE_SSC1, SZ_16K); - if (!ssc->base) { - DBG("SSC1 memory ioremap failed\n"); - ret = -ENOMEM; - goto fail_release_mem; - } - - ssc->pid = AT91RM9200_ID_SSC1; - - eti_b1_snd_device = platform_device_alloc("soc-audio", -1); - if (!eti_b1_snd_device) { - DBG("platform device allocation failed\n"); - ret = -ENOMEM; - goto fail_io_unmap; - } - - platform_set_drvdata(eti_b1_snd_device, &eti_b1_snd_devdata); - eti_b1_snd_devdata.dev = &eti_b1_snd_device->dev; - - ret = platform_device_add(eti_b1_snd_device); - if (ret) { - DBG("platform device add failed\n"); - platform_device_put(eti_b1_snd_device); - goto fail_io_unmap; - } - - at91_set_A_periph(AT91_PIN_PB6, 0); /* TF1 */ - at91_set_A_periph(AT91_PIN_PB7, 0); /* TK1 */ - at91_set_A_periph(AT91_PIN_PB8, 0); /* TD1 */ - at91_set_A_periph(AT91_PIN_PB9, 0); /* RD1 */ -/* at91_set_A_periph(AT91_PIN_PB10, 0);*/ /* RK1 */ - at91_set_A_periph(AT91_PIN_PB11, 0); /* RF1 */ - - /* - * Set PCK1 parent to PLLB and its rate to 12 Mhz. - */ - pllb_clk = clk_get(NULL, "pllb"); - pck1_clk = clk_get(NULL, "pck1"); - - clk_set_parent(pck1_clk, pllb_clk); - clk_set_rate(pck1_clk, 12000000); - - DBG("MCLK rate %luHz\n", clk_get_rate(pck1_clk)); - - /* assign the GPIO pin to PCK1 */ - at91_set_B_periph(AT91_PIN_PA24, 0); - -#ifdef CONFIG_SND_AT91_SOC_ETI_SLAVE - printk(KERN_INFO "eti_b1_wm8731: Codec in Slave Mode\n"); -#else - printk(KERN_INFO "eti_b1_wm8731: Codec in Master Mode\n"); -#endif - return ret; - -fail_io_unmap: - iounmap(ssc->base); -fail_release_mem: - release_mem_region(AT91RM9200_BASE_SSC1, SZ_16K); - return ret; -} - -static void __exit eti_b1_exit(void) -{ - struct at91_ssc_periph *ssc = eti_b1_dai.cpu_dai->private_data; - - clk_put(pck1_clk); - clk_put(pllb_clk); - - platform_device_unregister(eti_b1_snd_device); - - iounmap(ssc->base); - release_mem_region(AT91RM9200_BASE_SSC1, SZ_16K); -} - -module_init(eti_b1_init); -module_exit(eti_b1_exit); - -/* Module information */ -MODULE_AUTHOR("Frank Mandarino "); -MODULE_DESCRIPTION("ALSA SoC ETI-B1-WM8731"); -MODULE_LICENSE("GPL"); -- GitLab From 0e77e78410245894e5ebde30dc68ced6daa81bce Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Sat, 27 Sep 2008 16:57:26 +0800 Subject: [PATCH 4046/6244] ALSA: ASoC codec: AD73311 audio codec driver Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/Kconfig | 4 ++ sound/soc/codecs/Makefile | 2 + sound/soc/codecs/ad73311.c | 107 +++++++++++++++++++++++++++++++++++++ sound/soc/codecs/ad73311.h | 90 +++++++++++++++++++++++++++++++ 4 files changed, 203 insertions(+) create mode 100644 sound/soc/codecs/ad73311.c create mode 100644 sound/soc/codecs/ad73311.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index e0b9869df0f1..0507fcf66084 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -3,6 +3,7 @@ config SND_SOC_ALL_CODECS depends on I2C select SPI select SPI_MASTER + select SND_SOC_AD73311 select SND_SOC_AK4535 select SND_SOC_CS4270 select SND_SOC_SSM2602 @@ -34,6 +35,9 @@ config SND_SOC_AC97_CODEC config SND_SOC_AD1980 tristate +config SND_SOC_AD73311 + tristate + config SND_SOC_AK4535 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index f977978a3409..07318445a1fd 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -1,5 +1,6 @@ snd-soc-ac97-objs := ac97.o snd-soc-ad1980-objs := ad1980.o +snd-soc-ad73311-objs := ad73311.o snd-soc-ak4535-objs := ak4535.o snd-soc-cs4270-objs := cs4270.o snd-soc-ssm2602-objs := ssm2602.o @@ -20,6 +21,7 @@ snd-soc-wm9713-objs := wm9713.o obj-$(CONFIG_SND_SOC_AC97_CODEC) += snd-soc-ac97.o obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o +obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o diff --git a/sound/soc/codecs/ad73311.c b/sound/soc/codecs/ad73311.c new file mode 100644 index 000000000000..37af8607b00a --- /dev/null +++ b/sound/soc/codecs/ad73311.c @@ -0,0 +1,107 @@ +/* + * ad73311.c -- ALSA Soc AD73311 codec support + * + * Copyright: Analog Device Inc. + * Author: Cliff Cai + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Revision history + * 25th Sep 2008 Initial version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ad73311.h" + +struct snd_soc_dai ad73311_dai = { + .name = "AD73311", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 1, + .rates = SNDRV_PCM_RATE_8000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, }, +}; +EXPORT_SYMBOL_GPL(ad73311_dai); + +static int ad73311_soc_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + int ret = 0; + + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + mutex_init(&codec->mutex); + codec->name = "AD73311"; + codec->owner = THIS_MODULE; + codec->dai = &ad73311_dai; + codec->num_dai = 1; + socdev->codec = codec; + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "ad73311: failed to create pcms\n"); + goto pcm_err; + } + + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "ad73311: failed to register card\n"); + goto register_err; + } + + return ret; + +register_err: + snd_soc_free_pcms(socdev); +pcm_err: + kfree(socdev->codec); + socdev->codec = NULL; + return ret; +} + +static int ad73311_soc_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec == NULL) + return 0; + snd_soc_free_pcms(socdev); + kfree(codec); + return 0; +} + +struct snd_soc_codec_device soc_codec_dev_ad73311 = { + .probe = ad73311_soc_probe, + .remove = ad73311_soc_remove, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_ad73311); + +MODULE_DESCRIPTION("ASoC ad73311 driver"); +MODULE_AUTHOR("Cliff Cai "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/ad73311.h b/sound/soc/codecs/ad73311.h new file mode 100644 index 000000000000..507ce0c30edf --- /dev/null +++ b/sound/soc/codecs/ad73311.h @@ -0,0 +1,90 @@ +/* + * File: sound/soc/codec/ad73311.h + * Based on: + * Author: Cliff Cai + * + * Created: Thur Sep 25, 2008 + * Description: definitions for AD73311 registers + * + * + * Modified: + * Copyright 2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __AD73311_H__ +#define __AD73311_H__ + +#define AD_CONTROL 0x8000 +#define AD_DATA 0x0000 +#define AD_READ 0x4000 +#define AD_WRITE 0x0000 + +/* Control register A */ +#define CTRL_REG_A (0 << 8) + +#define REGA_MODE_PRO 0x00 +#define REGA_MODE_DATA 0x01 +#define REGA_MODE_MIXED 0x03 +#define REGA_DLB 0x04 +#define REGA_SLB 0x08 +#define REGA_DEVC(x) ((x & 0x7) << 4) +#define REGA_RESET 0x80 + +/* Control register B */ +#define CTRL_REG_B (1 << 8) + +#define REGB_DIRATE(x) (x & 0x3) +#define REGB_SCDIV(x) ((x & 0x3) << 2) +#define REGB_MCDIV(x) ((x & 0x7) << 4) +#define REGB_CEE (1 << 7) + +/* Control register C */ +#define CTRL_REG_C (2 << 8) + +#define REGC_PUDEV (1 << 0) +#define REGC_PUADC (1 << 3) +#define REGC_PUDAC (1 << 4) +#define REGC_PUREF (1 << 5) +#define REGC_REFUSE (1 << 6) + +/* Control register D */ +#define CTRL_REG_D (3 << 8) + +#define REGD_IGS(x) (x & 0x7) +#define REGD_RMOD (1 << 3) +#define REGD_OGS(x) ((x & 0x7) << 4) +#define REGD_MUTE (x << 7) + +/* Control register E */ +#define CTRL_REG_E (4 << 8) + +#define REGE_DA(x) (x & 0x1f) +#define REGE_IBYP (1 << 5) + +/* Control register F */ +#define CTRL_REG_F (5 << 8) + +#define REGF_SEEN (1 << 5) +#define REGF_INV (1 << 6) +#define REGF_ALB (1 << 7) + +extern struct snd_soc_dai ad73311_dai; +extern struct snd_soc_codec_device soc_codec_dev_ad73311; +#endif -- GitLab From 333926803557ee43568ebd9ae17b868d60e77a62 Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Sat, 27 Sep 2008 22:30:15 +0800 Subject: [PATCH 4047/6244] ALSA: ASoC Blackfin: add I2S DAI support for AD73311 Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/blackfin/bf5xx-i2s.c | 47 ++++++++++++++++++++++++---------- 1 file changed, 33 insertions(+), 14 deletions(-) diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c index 43a4092eeb89..827587f08180 100644 --- a/sound/soc/blackfin/bf5xx-i2s.c +++ b/sound/soc/blackfin/bf5xx-i2s.c @@ -70,6 +70,13 @@ static struct sport_param sport_params[2] = { } }; +static u16 sport_req[][7] = { + { P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, + P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0}, + { P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, + P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0}, +}; + static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { @@ -78,6 +85,14 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, /* interface format:support I2S,slave mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: + bf5xx_i2s.tcr1 |= TFSR | TCKFE; + bf5xx_i2s.rcr1 |= RFSR | RCKFE; + bf5xx_i2s.tcr2 |= TSFSE; + bf5xx_i2s.rcr2 |= RSFSE; + break; + case SND_SOC_DAIFMT_DSP_A: + bf5xx_i2s.tcr1 |= TFSR; + bf5xx_i2s.rcr1 |= RFSR; break; case SND_SOC_DAIFMT_LEFT_J: ret = -EINVAL; @@ -127,14 +142,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, case SNDRV_PCM_FORMAT_S16_LE: bf5xx_i2s.tcr2 |= 15; bf5xx_i2s.rcr2 |= 15; + sport_handle->wdsize = 2; break; case SNDRV_PCM_FORMAT_S24_LE: bf5xx_i2s.tcr2 |= 23; bf5xx_i2s.rcr2 |= 23; + sport_handle->wdsize = 3; break; case SNDRV_PCM_FORMAT_S32_LE: bf5xx_i2s.tcr2 |= 31; bf5xx_i2s.rcr2 |= 31; + sport_handle->wdsize = 4; break; } @@ -145,17 +163,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream, * need to configure both of them at the time when the first * stream is opened. * - * CPU DAI format:I2S, slave mode. + * CPU DAI:slave mode. */ - ret = sport_config_rx(sport_handle, RFSR | RCKFE, - RSFSE|bf5xx_i2s.rcr2, 0, 0); + ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1, + bf5xx_i2s.rcr2, 0, 0); if (ret) { pr_err("SPORT is busy!\n"); return -EBUSY; } - ret = sport_config_tx(sport_handle, TFSR | TCKFE, - TSFSE|bf5xx_i2s.tcr2, 0, 0); + ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1, + bf5xx_i2s.tcr2, 0, 0); if (ret) { pr_err("SPORT is busy!\n"); return -EBUSY; @@ -174,13 +192,6 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream) static int bf5xx_i2s_probe(struct platform_device *pdev, struct snd_soc_dai *dai) { - u16 sport_req[][7] = { - { P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, - P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0}, - { P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, - P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0}, - }; - pr_debug("%s enter\n", __func__); if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) { pr_err("Requesting Peripherals failed\n"); @@ -198,6 +209,13 @@ static int bf5xx_i2s_probe(struct platform_device *pdev, return 0; } +static void bf5xx_i2s_remove(struct platform_device *pdev, + struct snd_soc_dai *dai) +{ + pr_debug("%s enter\n", __func__); + peripheral_free_list(&sport_req[sport_num][0]); +} + #ifdef CONFIG_PM static int bf5xx_i2s_suspend(struct platform_device *dev, struct snd_soc_dai *dai) @@ -263,15 +281,16 @@ struct snd_soc_dai bf5xx_i2s_dai = { .id = 0, .type = SND_SOC_DAI_I2S, .probe = bf5xx_i2s_probe, + .remove = bf5xx_i2s_remove, .suspend = bf5xx_i2s_suspend, .resume = bf5xx_i2s_resume, .playback = { - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = BF5XX_I2S_RATES, .formats = BF5XX_I2S_FORMATS,}, .capture = { - .channels_min = 2, + .channels_min = 1, .channels_max = 2, .rates = BF5XX_I2S_RATES, .formats = BF5XX_I2S_FORMATS,}, -- GitLab From 5564b14b88a5a34ea848732030fbc202a050daa6 Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Sat, 27 Sep 2008 22:31:21 +0800 Subject: [PATCH 4048/6244] ALSA: ASoC Blackfin: add asoc ad73311 driver supporting in Blackfin boards Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/blackfin/Kconfig | 16 ++ sound/soc/blackfin/Makefile | 3 +- sound/soc/blackfin/bf5xx-ad73311.c | 240 +++++++++++++++++++++++++++++ 3 files changed, 258 insertions(+), 1 deletion(-) create mode 100644 sound/soc/blackfin/bf5xx-ad73311.c diff --git a/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig index f98331d099e7..dc006206f622 100644 --- a/sound/soc/blackfin/Kconfig +++ b/sound/soc/blackfin/Kconfig @@ -17,6 +17,22 @@ config SND_BF5XX_SOC_SSM2602 help Say Y if you want to add support for SoC audio on BF527-EZKIT. +config SND_BF5XX_SOC_AD73311 + tristate "SoC AD73311 Audio support for Blackfin" + depends on SND_BF5XX_I2S + select SND_BF5XX_SOC_I2S + select SND_SOC_AD73311 + help + Say Y if you want to add support for AD73311 codec on Blackfin. + +config SND_BFIN_AD73311_SE + int "PF pin for AD73311L Chip Select" + depends on SND_BF5XX_SOC_AD73311 + default 4 + help + Enter the GPIO used to control AD73311's SE pin. Acceptable + values are 0 to 7 + config SND_BF5XX_AC97 tristate "SoC AC97 Audio for the ADI BF5xx chip" depends on BLACKFIN && SND_SOC diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile index 9ea8bd9e0ba3..97bb37a6359c 100644 --- a/sound/soc/blackfin/Makefile +++ b/sound/soc/blackfin/Makefile @@ -14,7 +14,8 @@ obj-$(CONFIG_SND_BF5XX_SOC_I2S) += snd-soc-bf5xx-i2s.o # Blackfin Machine Support snd-ad1980-objs := bf5xx-ad1980.o snd-ssm2602-objs := bf5xx-ssm2602.o - +snd-ad73311-objs := bf5xx-ad73311.o obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o +obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o diff --git a/sound/soc/blackfin/bf5xx-ad73311.c b/sound/soc/blackfin/bf5xx-ad73311.c new file mode 100644 index 000000000000..622c9b909532 --- /dev/null +++ b/sound/soc/blackfin/bf5xx-ad73311.c @@ -0,0 +1,240 @@ +/* + * File: sound/soc/blackfin/bf5xx-ad73311.c + * Author: Cliff Cai + * + * Created: Thur Sep 25 2008 + * Description: Board driver for ad73311 sound chip + * + * Modified: + * Copyright 2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "../codecs/ad73311.h" +#include "bf5xx-sport.h" +#include "bf5xx-i2s-pcm.h" +#include "bf5xx-i2s.h" + +#if CONFIG_SND_BF5XX_SPORT_NUM == 0 +#define bfin_write_SPORT_TCR1 bfin_write_SPORT0_TCR1 +#define bfin_read_SPORT_TCR1 bfin_read_SPORT0_TCR1 +#define bfin_write_SPORT_TCR2 bfin_write_SPORT0_TCR2 +#define bfin_write_SPORT_TX16 bfin_write_SPORT0_TX16 +#define bfin_read_SPORT_STAT bfin_read_SPORT0_STAT +#else +#define bfin_write_SPORT_TCR1 bfin_write_SPORT1_TCR1 +#define bfin_read_SPORT_TCR1 bfin_read_SPORT1_TCR1 +#define bfin_write_SPORT_TCR2 bfin_write_SPORT1_TCR2 +#define bfin_write_SPORT_TX16 bfin_write_SPORT1_TX16 +#define bfin_read_SPORT_STAT bfin_read_SPORT1_STAT +#endif + +#define GPIO_SE CONFIG_SND_BFIN_AD73311_SE + +static struct snd_soc_machine bf5xx_ad73311; + +static int snd_ad73311_startup(void) +{ + pr_debug("%s enter\n", __func__); + + /* Pull up SE pin on AD73311L */ + gpio_set_value(GPIO_SE, 1); + return 0; +} + +static int snd_ad73311_configure(void) +{ + unsigned short ctrl_regs[6]; + unsigned short status = 0; + int count = 0; + + /* DMCLK = MCLK = 16.384 MHz + * SCLK = DMCLK/8 = 2.048 MHz + * Sample Rate = DMCLK/2048 = 8 KHz + */ + ctrl_regs[0] = AD_CONTROL | AD_WRITE | CTRL_REG_B | REGB_MCDIV(0) | \ + REGB_SCDIV(0) | REGB_DIRATE(0); + ctrl_regs[1] = AD_CONTROL | AD_WRITE | CTRL_REG_C | REGC_PUDEV | \ + REGC_PUADC | REGC_PUDAC | REGC_PUREF | REGC_REFUSE ; + ctrl_regs[2] = AD_CONTROL | AD_WRITE | CTRL_REG_D | REGD_OGS(2) | \ + REGD_IGS(2); + ctrl_regs[3] = AD_CONTROL | AD_WRITE | CTRL_REG_E | REGE_DA(0x1f); + ctrl_regs[4] = AD_CONTROL | AD_WRITE | CTRL_REG_F | REGF_SEEN ; + ctrl_regs[5] = AD_CONTROL | AD_WRITE | CTRL_REG_A | REGA_MODE_DATA; + + local_irq_disable(); + snd_ad73311_startup(); + udelay(1); + + bfin_write_SPORT_TCR1(TFSR); + bfin_write_SPORT_TCR2(0xF); + SSYNC(); + + /* SPORT Tx Register is a 8 x 16 FIFO, all the data can be put to + * FIFO before enable SPORT to transfer the data + */ + for (count = 0; count < 6; count++) + bfin_write_SPORT_TX16(ctrl_regs[count]); + SSYNC(); + bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() | TSPEN); + SSYNC(); + + /* When TUVF is set, the data is already send out */ + while (!(status & TUVF) && count++ < 10000) { + udelay(1); + status = bfin_read_SPORT_STAT(); + SSYNC(); + } + bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() & ~TSPEN); + SSYNC(); + local_irq_enable(); + + if (count == 10000) { + printk(KERN_ERR "ad73311: failed to configure codec\n"); + return -1; + } + return 0; +} + +static int bf5xx_probe(struct platform_device *pdev) +{ + int err; + if (gpio_request(GPIO_SE, "AD73311_SE")) { + printk(KERN_ERR "%s: Failed ro request GPIO_%d\n", __func__, GPIO_SE); + return -EBUSY; + } + + gpio_direction_output(GPIO_SE, 0); + + err = snd_ad73311_configure(); + if (err < 0) + return -EFAULT; + + return 0; +} + +static int bf5xx_ad73311_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + + pr_debug("%s enter\n", __func__); + cpu_dai->private_data = sport_handle; + return 0; +} + +static int bf5xx_ad73311_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + int ret = 0; + + pr_debug("%s rate %d format %x\n", __func__, params_rate(params), + params_format(params)); + + /* set cpu DAI configuration */ + ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) + return ret; + + return 0; +} + + +static struct snd_soc_ops bf5xx_ad73311_ops = { + .startup = bf5xx_ad73311_startup, + .hw_params = bf5xx_ad73311_hw_params, +}; + +static struct snd_soc_dai_link bf5xx_ad73311_dai = { + .name = "ad73311", + .stream_name = "AD73311", + .cpu_dai = &bf5xx_i2s_dai, + .codec_dai = &ad73311_dai, + .ops = &bf5xx_ad73311_ops, +}; + +static struct snd_soc_machine bf5xx_ad73311 = { + .name = "bf5xx_ad73311", + .probe = bf5xx_probe, + .dai_link = &bf5xx_ad73311_dai, + .num_links = 1, +}; + +static struct snd_soc_device bf5xx_ad73311_snd_devdata = { + .machine = &bf5xx_ad73311, + .platform = &bf5xx_i2s_soc_platform, + .codec_dev = &soc_codec_dev_ad73311, +}; + +static struct platform_device *bf52x_ad73311_snd_device; + +static int __init bf5xx_ad73311_init(void) +{ + int ret; + + pr_debug("%s enter\n", __func__); + bf52x_ad73311_snd_device = platform_device_alloc("soc-audio", -1); + if (!bf52x_ad73311_snd_device) + return -ENOMEM; + + platform_set_drvdata(bf52x_ad73311_snd_device, &bf5xx_ad73311_snd_devdata); + bf5xx_ad73311_snd_devdata.dev = &bf52x_ad73311_snd_device->dev; + ret = platform_device_add(bf52x_ad73311_snd_device); + + if (ret) + platform_device_put(bf52x_ad73311_snd_device); + + return ret; +} + +static void __exit bf5xx_ad73311_exit(void) +{ + pr_debug("%s enter\n", __func__); + platform_device_unregister(bf52x_ad73311_snd_device); +} + +module_init(bf5xx_ad73311_init); +module_exit(bf5xx_ad73311_exit); + +/* Module information */ +MODULE_AUTHOR("Cliff Cai"); +MODULE_DESCRIPTION("ALSA SoC AD73311 Blackfin"); +MODULE_LICENSE("GPL"); + -- GitLab From 6b58a82121320f96513d88032dc3495a9c6f450b Mon Sep 17 00:00:00 2001 From: Cliff Cai Date: Sat, 27 Sep 2008 22:32:20 +0800 Subject: [PATCH 4049/6244] ALSA: ASoC Blackfin: fix bug - Audio Latency on AD1981 with MMAP enabled With MMAP enabled (DMA mode) on the AD1981, there is +/- 250ms of delay between writing data to alsa and audio starts coming out of the AD1981. Copy more data to local buffer before starting DMA Signed-off-by: Cliff Cai Signed-off-by: Bryan Wu Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/blackfin/bf5xx-ac97-pcm.c | 42 ++++++++++++++++++++++++----- sound/soc/blackfin/bf5xx-ac97.c | 1 - sound/soc/blackfin/bf5xx-sport.h | 2 ++ 3 files changed, 37 insertions(+), 8 deletions(-) diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c index 51f4907c4831..25e50d2ea1ec 100644 --- a/sound/soc/blackfin/bf5xx-ac97-pcm.c +++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c @@ -56,6 +56,7 @@ static void bf5xx_mmap_copy(struct snd_pcm_substream *substream, sport->tx_pos += runtime->period_size; if (sport->tx_pos >= runtime->buffer_size) sport->tx_pos %= runtime->buffer_size; + sport->tx_delay_pos = sport->tx_pos; } else { bf5xx_ac97_to_pcm( (struct ac97_frame *)sport->rx_dma_buf + sport->rx_pos, @@ -72,7 +73,15 @@ static void bf5xx_dma_irq(void *data) struct snd_pcm_substream *pcm = data; #if defined(CONFIG_SND_MMAP_SUPPORT) struct snd_pcm_runtime *runtime = pcm->runtime; + struct sport_device *sport = runtime->private_data; bf5xx_mmap_copy(pcm, runtime->period_size); + if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (sport->once == 0) { + snd_pcm_period_elapsed(pcm); + bf5xx_mmap_copy(pcm, runtime->period_size); + sport->once = 1; + } + } #endif snd_pcm_period_elapsed(pcm); } @@ -114,6 +123,10 @@ static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream, static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream) { + struct snd_pcm_runtime *runtime = substream->runtime; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + memset(runtime->dma_area, 0, runtime->buffer_size); snd_pcm_lib_free_pages(substream); return 0; } @@ -127,16 +140,11 @@ static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream) * SPORT working in TMD mode(include AC97). */ #if defined(CONFIG_SND_MMAP_SUPPORT) - size_t size = bf5xx_pcm_hardware.buffer_bytes_max - * sizeof(struct ac97_frame) / 4; - /*clean up intermediate buffer*/ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - memset(sport->tx_dma_buf, 0, size); sport_set_tx_callback(sport, bf5xx_dma_irq, substream); sport_config_tx_dma(sport, sport->tx_dma_buf, runtime->periods, runtime->period_size * sizeof(struct ac97_frame)); } else { - memset(sport->rx_dma_buf, 0, size); sport_set_rx_callback(sport, bf5xx_dma_irq, substream); sport_config_rx_dma(sport, sport->rx_dma_buf, runtime->periods, runtime->period_size * sizeof(struct ac97_frame)); @@ -164,8 +172,12 @@ static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) pr_debug("%s enter\n", __func__); switch (cmd) { case SNDRV_PCM_TRIGGER_START: - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + bf5xx_mmap_copy(substream, runtime->period_size); + snd_pcm_period_elapsed(substream); + sport->tx_delay_pos = 0; sport_tx_start(sport); + } else sport_rx_start(sport); break; @@ -198,7 +210,7 @@ static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream) #if defined(CONFIG_SND_MMAP_SUPPORT) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - curr = sport->tx_pos; + curr = sport->tx_delay_pos; else curr = sport->rx_pos; #else @@ -237,6 +249,21 @@ static int bf5xx_pcm_open(struct snd_pcm_substream *substream) return ret; } +static int bf5xx_pcm_close(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct sport_device *sport = runtime->private_data; + + pr_debug("%s enter\n", __func__); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + sport->once = 0; + memset(sport->tx_dma_buf, 0, runtime->buffer_size * sizeof(struct ac97_frame)); + } else + memset(sport->rx_dma_buf, 0, runtime->buffer_size * sizeof(struct ac97_frame)); + + return 0; +} + #ifdef CONFIG_SND_MMAP_SUPPORT static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) @@ -272,6 +299,7 @@ static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel, struct snd_pcm_ops bf5xx_pcm_ac97_ops = { .open = bf5xx_pcm_open, + .close = bf5xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = bf5xx_pcm_hw_params, .hw_free = bf5xx_pcm_hw_free, diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c index c782e311fd56..5e5aafb6485f 100644 --- a/sound/soc/blackfin/bf5xx-ac97.c +++ b/sound/soc/blackfin/bf5xx-ac97.c @@ -128,7 +128,6 @@ static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data) int nextfrag = sport_tx_curr_frag(sport); struct ac97_frame *nextwrite; - sport_incfrag(sport, &nextfrag, 1); sport_incfrag(sport, &nextfrag, 1); nextwrite = (struct ac97_frame *)(sport->tx_buf + \ diff --git a/sound/soc/blackfin/bf5xx-sport.h b/sound/soc/blackfin/bf5xx-sport.h index 4c163454bbf8..fcadcc081f7f 100644 --- a/sound/soc/blackfin/bf5xx-sport.h +++ b/sound/soc/blackfin/bf5xx-sport.h @@ -123,6 +123,8 @@ struct sport_device { int rx_pos; unsigned int tx_buffer_size; unsigned int rx_buffer_size; + int tx_delay_pos; + int once; #endif void *private_data; }; -- GitLab From 35f5e54db923477f71d948f30c291d31bc0de0fc Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 27 Sep 2008 10:45:09 +0100 Subject: [PATCH 4050/6244] ALSA: ASoC: Use snd_soc_dapm_nc_pin() in Zaurus machine drivers Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/pxa/corgi.c | 4 ++-- sound/soc/pxa/poodle.c | 4 ++-- sound/soc/pxa/spitz.c | 14 +++++++------- sound/soc/pxa/tosa.c | 4 ++-- 4 files changed, 13 insertions(+), 13 deletions(-) diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c index 72b7a5140bf8..0bceaf66effd 100644 --- a/sound/soc/pxa/corgi.c +++ b/sound/soc/pxa/corgi.c @@ -289,8 +289,8 @@ static int corgi_wm8731_init(struct snd_soc_codec *codec) { int i, err; - snd_soc_dapm_disable_pin(codec, "LLINEIN"); - snd_soc_dapm_disable_pin(codec, "RLINEIN"); + snd_soc_dapm_nc_pin(codec, "LLINEIN"); + snd_soc_dapm_nc_pin(codec, "RLINEIN"); /* Add corgi specific controls */ for (i = 0; i < ARRAY_SIZE(wm8731_corgi_controls); i++) { diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c index f84f7d8db09a..e5adb0e91939 100644 --- a/sound/soc/pxa/poodle.c +++ b/sound/soc/pxa/poodle.c @@ -242,8 +242,8 @@ static int poodle_wm8731_init(struct snd_soc_codec *codec) { int i, err; - snd_soc_dapm_disable_pin(codec, "LLINEIN"); - snd_soc_dapm_disable_pin(codec, "RLINEIN"); + snd_soc_dapm_nc_pin(codec, "LLINEIN"); + snd_soc_dapm_nc_pin(codec, "RLINEIN"); snd_soc_dapm_enable_pin(codec, "MICIN"); /* Add poodle specific controls */ diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c index 3d4738c06e7e..e0bcc4250ce3 100644 --- a/sound/soc/pxa/spitz.c +++ b/sound/soc/pxa/spitz.c @@ -291,13 +291,13 @@ static int spitz_wm8750_init(struct snd_soc_codec *codec) int i, err; /* NC codec pins */ - snd_soc_dapm_disable_pin(codec, "RINPUT1"); - snd_soc_dapm_disable_pin(codec, "LINPUT2"); - snd_soc_dapm_disable_pin(codec, "RINPUT2"); - snd_soc_dapm_disable_pin(codec, "LINPUT3"); - snd_soc_dapm_disable_pin(codec, "RINPUT3"); - snd_soc_dapm_disable_pin(codec, "OUT3"); - snd_soc_dapm_disable_pin(codec, "MONO1"); + snd_soc_dapm_nc_pin(codec, "RINPUT1"); + snd_soc_dapm_nc_pin(codec, "LINPUT2"); + snd_soc_dapm_nc_pin(codec, "RINPUT2"); + snd_soc_dapm_nc_pin(codec, "LINPUT3"); + snd_soc_dapm_nc_pin(codec, "RINPUT3"); + snd_soc_dapm_nc_pin(codec, "OUT3"); + snd_soc_dapm_nc_pin(codec, "MONO1"); /* Add spitz specific controls */ for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) { diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c index 2baaa750f123..eae2a0fb45d4 100644 --- a/sound/soc/pxa/tosa.c +++ b/sound/soc/pxa/tosa.c @@ -190,8 +190,8 @@ static int tosa_ac97_init(struct snd_soc_codec *codec) { int i, err; - snd_soc_dapm_disable_pin(codec, "OUT3"); - snd_soc_dapm_disable_pin(codec, "MONOOUT"); + snd_soc_dapm_nc_pin(codec, "OUT3"); + snd_soc_dapm_nc_pin(codec, "MONOOUT"); /* add tosa specific controls */ for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) { -- GitLab From 869fbb36eeb599eb284548232dce40bb413ed2e9 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 27 Sep 2008 10:48:31 +0100 Subject: [PATCH 4051/6244] ALSA: ASoC: Use snd_soc_dapm_nc_pin() in N810 machine driver Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/n810.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c index d166b6b2a60d..fae3ad36e0bf 100644 --- a/sound/soc/omap/n810.c +++ b/sound/soc/omap/n810.c @@ -247,9 +247,9 @@ static int n810_aic33_init(struct snd_soc_codec *codec) int i, err; /* Not connected */ - snd_soc_dapm_disable_pin(codec, "MONO_LOUT"); - snd_soc_dapm_disable_pin(codec, "HPLCOM"); - snd_soc_dapm_disable_pin(codec, "HPRCOM"); + snd_soc_dapm_nc_pin(codec, "MONO_LOUT"); + snd_soc_dapm_nc_pin(codec, "HPLCOM"); + snd_soc_dapm_nc_pin(codec, "HPRCOM"); /* Add N810 specific controls */ for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) { -- GitLab From c1f27190a72e9310f1777261b33a05319ff2822c Mon Sep 17 00:00:00 2001 From: Arun KS Date: Thu, 2 Oct 2008 14:45:49 +0530 Subject: [PATCH 4052/6244] ALSA: ASoC: Add TLV320AIC23 codec driver ASoC codec driver for TLV320AIC23 device Signed-off-by: Arun KS Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/Kconfig | 5 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/tlv320aic23.c | 670 +++++++++++++++++++++++++++++++++ sound/soc/codecs/tlv320aic23.h | 122 ++++++ 4 files changed, 799 insertions(+) create mode 100644 sound/soc/codecs/tlv320aic23.c create mode 100644 sound/soc/codecs/tlv320aic23.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 0507fcf66084..bdead2dc9968 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -7,6 +7,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_AK4535 select SND_SOC_CS4270 select SND_SOC_SSM2602 + select SND_SOC_TLV320AIC23 select SND_SOC_TLV320AIC26 select SND_SOC_TLV320AIC3X select SND_SOC_UDA1380 @@ -62,6 +63,10 @@ config SND_SOC_CS4270_VD33_ERRATA config SND_SOC_SSM2602 tristate +config SND_SOC_TLV320AIC23 + tristate + depends on I2C + config SND_SOC_TLV320AIC26 tristate "TI TLV320AIC26 Codec support" depends on SND_SOC && SPI diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 07318445a1fd..90f0a585fc70 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -4,6 +4,7 @@ snd-soc-ad73311-objs := ad73311.o snd-soc-ak4535-objs := ak4535.o snd-soc-cs4270-objs := cs4270.o snd-soc-ssm2602-objs := ssm2602.o +snd-soc-tlv320aic23-objs := tlv320aic23.o snd-soc-tlv320aic26-objs := tlv320aic26.o snd-soc-tlv320aic3x-objs := tlv320aic3x.o snd-soc-uda1380-objs := uda1380.o @@ -25,6 +26,7 @@ obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o obj-$(CONFIG_SND_SOC_CS4270) += snd-soc-cs4270.o obj-$(CONFIG_SND_SOC_SSM2602) += snd-soc-ssm2602.o +obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o obj-$(CONFIG_SND_SOC_TLV320AIC26) += snd-soc-tlv320aic26.o obj-$(CONFIG_SND_SOC_TLV320AIC3X) += snd-soc-tlv320aic3x.o obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c new file mode 100644 index 000000000000..c2d35e9de335 --- /dev/null +++ b/sound/soc/codecs/tlv320aic23.c @@ -0,0 +1,670 @@ +/* + * ALSA SoC TLV320AIC23 codec driver + * + * Author: Arun KS, + * Copyright: (C) 2008 Mistral Solutions Pvt Ltd., + * + * Based on sound/soc/codecs/wm8731.c by Richard Purdie + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Notes: + * The AIC23 is a driver for a low power stereo audio + * codec tlv320aic23 + * + * The machine layer should disable unsupported inputs/outputs by + * snd_soc_dapm_disable_pin(codec, "LHPOUT"), etc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "tlv320aic23.h" + +#define AUDIO_NAME "tlv320aic23" +#define AIC23_VERSION "0.1" + +struct tlv320aic23_srate_reg_info { + u32 sample_rate; + u8 control; /* SR3, SR2, SR1, SR0 and BOSR */ + u8 divider; /* if 0 CLKIN = MCLK, if 1 CLKIN = MCLK/2 */ +}; + +/* + * AIC23 register cache + */ +static const u16 tlv320aic23_reg[] = { + 0x0097, 0x0097, 0x00F9, 0x00F9, /* 0 */ + 0x001A, 0x0004, 0x0007, 0x0001, /* 4 */ + 0x0020, 0x0000, 0x0000, 0x0000, /* 8 */ + 0x0000, 0x0000, 0x0000, 0x0000, /* 12 */ +}; + +/* + * read tlv320aic23 register cache + */ +static inline unsigned int tlv320aic23_read_reg_cache(struct snd_soc_codec + *codec, unsigned int reg) +{ + u16 *cache = codec->reg_cache; + if (reg >= ARRAY_SIZE(tlv320aic23_reg)) + return -1; + return cache[reg]; +} + +/* + * write tlv320aic23 register cache + */ +static inline void tlv320aic23_write_reg_cache(struct snd_soc_codec *codec, + u8 reg, u16 value) +{ + u16 *cache = codec->reg_cache; + if (reg >= ARRAY_SIZE(tlv320aic23_reg)) + return; + cache[reg] = value; +} + +/* + * write to the tlv320aic23 register space + */ +static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + + u8 data; + + /* TLV320AIC23 has 7 bit address and 9 bits of data + * so we need to switch one data bit into reg and rest + * of data into val + */ + + if ((reg < 0 || reg > 9) && (reg != 15)) { + printk(KERN_WARNING "%s Invalid register R%d\n", __func__, reg); + return -1; + } + + data = (reg << 1) | (value >> 8 & 0x01); + + tlv320aic23_write_reg_cache(codec, reg, value); + + if (codec->hw_write(codec->control_data, data, + (value & 0xff)) == 0) + return 0; + + printk(KERN_ERR "%s cannot write %03x to register R%d\n", __func__, + value, reg); + + return -EIO; +} + +static const char *rec_src_text[] = { "Line", "Mic" }; +static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"}; +static const char *sidetone_text[] = {"-6db", "-9db", "-12db", "-18db", "0db"}; + +static const struct soc_enum rec_src_enum = + SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); + +static const struct snd_kcontrol_new tlv320aic23_rec_src_mux_controls = +SOC_DAPM_ENUM("Input Select", rec_src_enum); + +static const struct soc_enum tlv320aic23_rec_src = + SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); +static const struct soc_enum tlv320aic23_deemph = + SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text); +static const struct soc_enum tlv320aic23_sidetone = + SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 6, 5, sidetone_text); + +static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); +static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); + +static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { + SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL, + TLV320AIC23_RCHNVOL, 0, 127, 0, out_gain_tlv), + SOC_SINGLE("Digital Playback Switch", TLV320AIC23_DIGT, 3, 1, 1), + SOC_DOUBLE_R("Line Input Switch", TLV320AIC23_LINVOL, + TLV320AIC23_RINVOL, 7, 1, 0), + SOC_DOUBLE_R_TLV("Line Input Volume", TLV320AIC23_LINVOL, + TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), + SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1), + SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0), + SOC_ENUM("Sidetone Gain", tlv320aic23_sidetone), + SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph), +}; + +/* add non dapm controls */ +static int tlv320aic23_add_controls(struct snd_soc_codec *codec) +{ + + int err, i; + + for (i = 0; i < ARRAY_SIZE(tlv320aic23_snd_controls); i++) { + err = snd_ctl_add(codec->card, + snd_soc_cnew(&tlv320aic23_snd_controls[i], + codec, NULL)); + if (err < 0) + return err; + } + + return 0; + +} + +/* PGA Mixer controls for Line and Mic switch */ +static const struct snd_kcontrol_new tlv320aic23_output_mixer_controls[] = { + SOC_DAPM_SINGLE("Line Bypass Switch", TLV320AIC23_ANLG, 3, 1, 0), + SOC_DAPM_SINGLE("Mic Sidetone Switch", TLV320AIC23_ANLG, 5, 1, 0), + SOC_DAPM_SINGLE("Playback Switch", TLV320AIC23_ANLG, 4, 1, 0), +}; + +static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { + SND_SOC_DAPM_DAC("DAC", "Playback", TLV320AIC23_PWR, 3, 1), + SND_SOC_DAPM_ADC("ADC", "Capture", TLV320AIC23_PWR, 2, 1), + SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0, + &tlv320aic23_rec_src_mux_controls), + SND_SOC_DAPM_MIXER("Output Mixer", TLV320AIC23_PWR, 4, 1, + &tlv320aic23_output_mixer_controls[0], + ARRAY_SIZE(tlv320aic23_output_mixer_controls)), + SND_SOC_DAPM_PGA("Line Input", TLV320AIC23_PWR, 0, 1, NULL, 0), + SND_SOC_DAPM_PGA("Mic Input", TLV320AIC23_PWR, 1, 1, NULL, 0), + + SND_SOC_DAPM_OUTPUT("LHPOUT"), + SND_SOC_DAPM_OUTPUT("RHPOUT"), + SND_SOC_DAPM_OUTPUT("LOUT"), + SND_SOC_DAPM_OUTPUT("ROUT"), + + SND_SOC_DAPM_INPUT("LLINEIN"), + SND_SOC_DAPM_INPUT("RLINEIN"), + + SND_SOC_DAPM_INPUT("MICIN"), +}; + +static const struct snd_soc_dapm_route intercon[] = { + /* Output Mixer */ + {"Output Mixer", "Line Bypass Switch", "Line Input"}, + {"Output Mixer", "Playback Switch", "DAC"}, + {"Output Mixer", "Mic Sidetone Switch", "Mic Input"}, + + /* Outputs */ + {"RHPOUT", NULL, "Output Mixer"}, + {"LHPOUT", NULL, "Output Mixer"}, + {"LOUT", NULL, "Output Mixer"}, + {"ROUT", NULL, "Output Mixer"}, + + /* Inputs */ + {"Line Input", "NULL", "LLINEIN"}, + {"Line Input", "NULL", "RLINEIN"}, + + {"Mic Input", "NULL", "MICIN"}, + + /* input mux */ + {"Capture Source", "Line", "Line Input"}, + {"Capture Source", "Mic", "Mic Input"}, + {"ADC", NULL, "Capture Source"}, + +}; + +/* tlv320aic23 related */ +static const struct tlv320aic23_srate_reg_info srate_reg_info[] = { + {4000, 0x06, 1}, /* 4000 */ + {8000, 0x06, 0}, /* 8000 */ + {16000, 0x0C, 1}, /* 16000 */ + {22050, 0x11, 1}, /* 22050 */ + {24000, 0x00, 1}, /* 24000 */ + {32000, 0x0C, 0}, /* 32000 */ + {44100, 0x11, 0}, /* 44100 */ + {48000, 0x00, 0}, /* 48000 */ + {88200, 0x1F, 0}, /* 88200 */ + {96000, 0x0E, 0}, /* 96000 */ +}; + +static int tlv320aic23_add_widgets(struct snd_soc_codec *codec) +{ + snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets, + ARRAY_SIZE(tlv320aic23_dapm_widgets)); + + /* set up audio path interconnects */ + snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); + + snd_soc_dapm_new_widgets(codec); + return 0; +} + +static int tlv320aic23_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + u16 iface_reg, data; + u8 count = 0; + + iface_reg = + tlv320aic23_read_reg_cache(codec, + TLV320AIC23_DIGT_FMT) & ~(0x03 << 2); + + /* Search for the right sample rate */ + /* Verify what happens if the rate is not supported + * now it goes to 96Khz */ + while ((srate_reg_info[count].sample_rate != params_rate(params)) && + (count < ARRAY_SIZE(srate_reg_info))) { + count++; + } + + data = (srate_reg_info[count].divider << TLV320AIC23_CLKIN_SHIFT) | + (srate_reg_info[count]. control << TLV320AIC23_BOSR_SHIFT) | + TLV320AIC23_USB_CLK_ON; + + tlv320aic23_write(codec, TLV320AIC23_SRATE, data); + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + break; + case SNDRV_PCM_FORMAT_S20_3LE: + iface_reg |= (0x01 << 2); + break; + case SNDRV_PCM_FORMAT_S24_LE: + iface_reg |= (0x02 << 2); + break; + case SNDRV_PCM_FORMAT_S32_LE: + iface_reg |= (0x03 << 2); + break; + } + tlv320aic23_write(codec, TLV320AIC23_DIGT_FMT, iface_reg); + + return 0; +} + +static int tlv320aic23_pcm_prepare(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + + /* set active */ + tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0001); + + return 0; +} + +static void tlv320aic23_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_device *socdev = rtd->socdev; + struct snd_soc_codec *codec = socdev->codec; + + /* deactivate */ + if (!codec->active) { + udelay(50); + tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0); + } +} + +static int tlv320aic23_mute(struct snd_soc_dai *dai, int mute) +{ + struct snd_soc_codec *codec = dai->codec; + u16 reg; + + reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_DIGT); + if (mute) + reg |= TLV320AIC23_DACM_MUTE; + + else + reg &= ~TLV320AIC23_DACM_MUTE; + + tlv320aic23_write(codec, TLV320AIC23_DIGT, reg); + + return 0; +} + +static int tlv320aic23_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = codec_dai->codec; + u16 iface_reg; + + iface_reg = + tlv320aic23_read_reg_cache(codec, TLV320AIC23_DIGT_FMT) & (~0x03); + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + iface_reg |= TLV320AIC23_MS_MASTER; + break; + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + iface_reg |= TLV320AIC23_FOR_I2S; + break; + case SND_SOC_DAIFMT_DSP_A: + iface_reg |= TLV320AIC23_FOR_DSP; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + iface_reg |= TLV320AIC23_FOR_LJUST; + break; + default: + return -EINVAL; + + } + + tlv320aic23_write(codec, TLV320AIC23_DIGT_FMT, iface_reg); + + return 0; +} + +static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + + switch (freq) { + case 12000000: + return 0; + } + return -EINVAL; +} + +static int tlv320aic23_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + u16 reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_PWR) & 0xff7f; + + switch (level) { + case SND_SOC_BIAS_ON: + /* vref/mid, osc on, dac unmute */ + tlv320aic23_write(codec, TLV320AIC23_PWR, reg); + break; + case SND_SOC_BIAS_PREPARE: + break; + case SND_SOC_BIAS_STANDBY: + /* everything off except vref/vmid, */ + tlv320aic23_write(codec, TLV320AIC23_PWR, reg | 0x0040); + break; + case SND_SOC_BIAS_OFF: + /* everything off, dac mute, inactive */ + tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0); + tlv320aic23_write(codec, TLV320AIC23_PWR, 0xffff); + break; + } + codec->bias_level = level; + return 0; +} + +#define AIC23_RATES SNDRV_PCM_RATE_8000_96000 +#define AIC23_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) + +struct snd_soc_dai tlv320aic23_dai = { + .name = "tlv320aic23", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = AIC23_RATES, + .formats = AIC23_FORMATS,}, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = AIC23_RATES, + .formats = AIC23_FORMATS,}, + .ops = { + .prepare = tlv320aic23_pcm_prepare, + .hw_params = tlv320aic23_hw_params, + .shutdown = tlv320aic23_shutdown, + }, + .dai_ops = { + .digital_mute = tlv320aic23_mute, + .set_fmt = tlv320aic23_set_dai_fmt, + .set_sysclk = tlv320aic23_set_dai_sysclk, + } +}; +EXPORT_SYMBOL_GPL(tlv320aic23_dai); + +static int tlv320aic23_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x0); + tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF); + + return 0; +} + +static int tlv320aic23_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + int i; + u16 reg; + + /* Sync reg_cache with the hardware */ + for (reg = 0; reg < ARRAY_SIZE(tlv320aic23_reg); i++) { + u16 val = tlv320aic23_read_reg_cache(codec, reg); + tlv320aic23_write(codec, reg, val); + } + + tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + tlv320aic23_set_bias_level(codec, codec->suspend_bias_level); + + return 0; +} + +/* + * initialise the AIC23 driver + * register the mixer and dsp interfaces with the kernel + */ +static int tlv320aic23_init(struct snd_soc_device *socdev) +{ + struct snd_soc_codec *codec = socdev->codec; + int ret = 0; + u16 reg; + + codec->name = "tlv320aic23"; + codec->owner = THIS_MODULE; + codec->read = tlv320aic23_read_reg_cache; + codec->write = tlv320aic23_write; + codec->set_bias_level = tlv320aic23_set_bias_level; + codec->dai = &tlv320aic23_dai; + codec->num_dai = 1; + codec->reg_cache_size = ARRAY_SIZE(tlv320aic23_reg); + codec->reg_cache = + kmemdup(tlv320aic23_reg, sizeof(tlv320aic23_reg), GFP_KERNEL); + if (codec->reg_cache == NULL) + return -ENOMEM; + + /* Reset codec */ + tlv320aic23_write(codec, TLV320AIC23_RESET, 0); + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "tlv320aic23: failed to create pcms\n"); + goto pcm_err; + } + + /* power on device */ + tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + tlv320aic23_write(codec, TLV320AIC23_DIGT, TLV320AIC23_DEEMP_44K); + + /* Unmute input */ + reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_LINVOL); + tlv320aic23_write(codec, TLV320AIC23_LINVOL, + (reg & (~TLV320AIC23_LIM_MUTED)) | + (TLV320AIC23_LRS_ENABLED)); + + reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_RINVOL); + tlv320aic23_write(codec, TLV320AIC23_RINVOL, + (reg & (~TLV320AIC23_LIM_MUTED)) | + TLV320AIC23_LRS_ENABLED); + + reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG); + tlv320aic23_write(codec, TLV320AIC23_ANLG, + (reg) & (~TLV320AIC23_BYPASS_ON) & + (~TLV320AIC23_MICM_MUTED)); + + /* Default output volume */ + tlv320aic23_write(codec, TLV320AIC23_LCHNVOL, + TLV320AIC23_DEFAULT_OUT_VOL & + TLV320AIC23_OUT_VOL_MASK); + tlv320aic23_write(codec, TLV320AIC23_RCHNVOL, + TLV320AIC23_DEFAULT_OUT_VOL & + TLV320AIC23_OUT_VOL_MASK); + + tlv320aic23_write(codec, TLV320AIC23_ACTIVE, 0x1); + + tlv320aic23_add_controls(codec); + tlv320aic23_add_widgets(codec); + ret = snd_soc_register_card(socdev); + if (ret < 0) { + printk(KERN_ERR "tlv320aic23: failed to register card\n"); + goto card_err; + } + + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + kfree(codec->reg_cache); + return ret; +} +static struct snd_soc_device *tlv320aic23_socdev; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +/* + * If the i2c layer weren't so broken, we could pass this kind of data + * around + */ +static int tlv320aic23_codec_probe(struct i2c_client *i2c, + const struct i2c_device_id *i2c_id) +{ + struct snd_soc_device *socdev = tlv320aic23_socdev; + struct snd_soc_codec *codec = socdev->codec; + int ret; + + if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EINVAL; + + i2c_set_clientdata(i2c, codec); + codec->control_data = i2c; + + ret = tlv320aic23_init(socdev); + if (ret < 0) { + printk(KERN_ERR "tlv320aic23: failed to initialise AIC23\n"); + goto err; + } + return ret; + +err: + kfree(codec); + kfree(i2c); + return ret; +} +static int __exit tlv320aic23_i2c_remove(struct i2c_client *i2c) +{ + put_device(&i2c->dev); + return 0; +} + +static const struct i2c_device_id tlv320aic23_id[] = { + {"tlv320aic23", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, tlv320aic23_id); + +static struct i2c_driver tlv320aic23_i2c_driver = { + .driver = { + .name = "tlv320aic23", + }, + .probe = tlv320aic23_codec_probe, + .remove = __exit_p(tlv320aic23_i2c_remove), + .id_table = tlv320aic23_id, +}; + +#endif + +static int tlv320aic23_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + int ret = 0; + + printk(KERN_INFO "AIC23 Audio Codec %s\n", AIC23_VERSION); + + codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); + if (codec == NULL) + return -ENOMEM; + + socdev->codec = codec; + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + tlv320aic23_socdev = socdev; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + codec->hw_write = (hw_write_t) i2c_smbus_write_byte_data; + codec->hw_read = NULL; + ret = i2c_add_driver(&tlv320aic23_i2c_driver); + if (ret != 0) + printk(KERN_ERR "can't add i2c driver"); +#endif + return ret; +} + +static int tlv320aic23_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->codec; + + if (codec->control_data) + tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_OFF); + + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&tlv320aic23_i2c_driver); +#endif + kfree(codec->reg_cache); + kfree(codec); + + return 0; +} +struct snd_soc_codec_device soc_codec_dev_tlv320aic23 = { + .probe = tlv320aic23_probe, + .remove = tlv320aic23_remove, + .suspend = tlv320aic23_suspend, + .resume = tlv320aic23_resume, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_tlv320aic23); + +MODULE_DESCRIPTION("ASoC TLV320AIC23 codec driver"); +MODULE_AUTHOR("Arun KS "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/tlv320aic23.h b/sound/soc/codecs/tlv320aic23.h new file mode 100644 index 000000000000..79d1faf8e570 --- /dev/null +++ b/sound/soc/codecs/tlv320aic23.h @@ -0,0 +1,122 @@ +/* + * ALSA SoC TLV320AIC23 codec driver + * + * Author: Arun KS, + * Copyright: (C) 2008 Mistral Solutions Pvt Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _TLV320AIC23_H +#define _TLV320AIC23_H + +/* Codec TLV320AIC23 */ +#define TLV320AIC23_LINVOL 0x00 +#define TLV320AIC23_RINVOL 0x01 +#define TLV320AIC23_LCHNVOL 0x02 +#define TLV320AIC23_RCHNVOL 0x03 +#define TLV320AIC23_ANLG 0x04 +#define TLV320AIC23_DIGT 0x05 +#define TLV320AIC23_PWR 0x06 +#define TLV320AIC23_DIGT_FMT 0x07 +#define TLV320AIC23_SRATE 0x08 +#define TLV320AIC23_ACTIVE 0x09 +#define TLV320AIC23_RESET 0x0F + +/* Left (right) line input volume control register */ +#define TLV320AIC23_LRS_ENABLED 0x0100 +#define TLV320AIC23_LIM_MUTED 0x0080 +#define TLV320AIC23_LIV_DEFAULT 0x0017 +#define TLV320AIC23_LIV_MAX 0x001f +#define TLV320AIC23_LIV_MIN 0x0000 + +/* Left (right) channel headphone volume control register */ +#define TLV320AIC23_LZC_ON 0x0080 +#define TLV320AIC23_LHV_DEFAULT 0x0079 +#define TLV320AIC23_LHV_MAX 0x007f +#define TLV320AIC23_LHV_MIN 0x0000 + +/* Analog audio path control register */ +#define TLV320AIC23_STA_REG(x) ((x)<<6) +#define TLV320AIC23_STE_ENABLED 0x0020 +#define TLV320AIC23_DAC_SELECTED 0x0010 +#define TLV320AIC23_BYPASS_ON 0x0008 +#define TLV320AIC23_INSEL_MIC 0x0004 +#define TLV320AIC23_MICM_MUTED 0x0002 +#define TLV320AIC23_MICB_20DB 0x0001 + +/* Digital audio path control register */ +#define TLV320AIC23_DACM_MUTE 0x0008 +#define TLV320AIC23_DEEMP_32K 0x0002 +#define TLV320AIC23_DEEMP_44K 0x0004 +#define TLV320AIC23_DEEMP_48K 0x0006 +#define TLV320AIC23_ADCHP_ON 0x0001 + +/* Power control down register */ +#define TLV320AIC23_DEVICE_PWR_OFF 0x0080 +#define TLV320AIC23_CLK_OFF 0x0040 +#define TLV320AIC23_OSC_OFF 0x0020 +#define TLV320AIC23_OUT_OFF 0x0010 +#define TLV320AIC23_DAC_OFF 0x0008 +#define TLV320AIC23_ADC_OFF 0x0004 +#define TLV320AIC23_MIC_OFF 0x0002 +#define TLV320AIC23_LINE_OFF 0x0001 + +/* Digital audio interface register */ +#define TLV320AIC23_MS_MASTER 0x0040 +#define TLV320AIC23_LRSWAP_ON 0x0020 +#define TLV320AIC23_LRP_ON 0x0010 +#define TLV320AIC23_IWL_16 0x0000 +#define TLV320AIC23_IWL_20 0x0004 +#define TLV320AIC23_IWL_24 0x0008 +#define TLV320AIC23_IWL_32 0x000C +#define TLV320AIC23_FOR_I2S 0x0002 +#define TLV320AIC23_FOR_DSP 0x0003 +#define TLV320AIC23_FOR_LJUST 0x0001 + +/* Sample rate control register */ +#define TLV320AIC23_CLKOUT_HALF 0x0080 +#define TLV320AIC23_CLKIN_HALF 0x0040 +#define TLV320AIC23_BOSR_384fs 0x0002 /* BOSR_272fs in USB mode */ +#define TLV320AIC23_USB_CLK_ON 0x0001 +#define TLV320AIC23_SR_MASK 0xf +#define TLV320AIC23_CLKOUT_SHIFT 7 +#define TLV320AIC23_CLKIN_SHIFT 6 +#define TLV320AIC23_SR_SHIFT 2 +#define TLV320AIC23_BOSR_SHIFT 1 + +/* Digital interface register */ +#define TLV320AIC23_ACT_ON 0x0001 + +/* + * AUDIO related MACROS + */ + +#define TLV320AIC23_DEFAULT_OUT_VOL 0x70 +#define TLV320AIC23_DEFAULT_IN_VOLUME 0x10 + +#define TLV320AIC23_OUT_VOL_MIN TLV320AIC23_LHV_MIN +#define TLV320AIC23_OUT_VOL_MAX TLV320AIC23_LHV_MAX +#define TLV320AIC23_OUT_VO_RANGE (TLV320AIC23_OUT_VOL_MAX - \ + TLV320AIC23_OUT_VOL_MIN) +#define TLV320AIC23_OUT_VOL_MASK TLV320AIC23_OUT_VOL_MAX + +#define TLV320AIC23_IN_VOL_MIN TLV320AIC23_LIV_MIN +#define TLV320AIC23_IN_VOL_MAX TLV320AIC23_LIV_MAX +#define TLV320AIC23_IN_VOL_RANGE (TLV320AIC23_IN_VOL_MAX - \ + TLV320AIC23_IN_VOL_MIN) +#define TLV320AIC23_IN_VOL_MASK TLV320AIC23_IN_VOL_MAX + +#define TLV320AIC23_SIDETONE_MASK 0x1c0 +#define TLV320AIC23_SIDETONE_0 0x100 +#define TLV320AIC23_SIDETONE_6 0x000 +#define TLV320AIC23_SIDETONE_9 0x040 +#define TLV320AIC23_SIDETONE_12 0x080 +#define TLV320AIC23_SIDETONE_18 0x0c0 + +extern struct snd_soc_dai tlv320aic23_dai; +extern struct snd_soc_codec_device soc_codec_dev_tlv320aic23; + +#endif /* _TLV320AIC23_H */ -- GitLab From 17f9ecf34aaa0ade5c89aba603847309c849297c Mon Sep 17 00:00:00 2001 From: Arun KS Date: Thu, 2 Oct 2008 15:02:45 +0530 Subject: [PATCH 4053/6244] ALSA: ASoC: Add support for osk5912 Adding ASoC machine driver for osk5912 Signed-off-by: Arun KS Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/Kconfig | 8 ++ sound/soc/omap/Makefile | 2 + sound/soc/omap/osk5912.c | 232 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 242 insertions(+) create mode 100644 sound/soc/omap/osk5912.c diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index aea27e70043c..8b7766b998d7 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -13,3 +13,11 @@ config SND_OMAP_SOC_N810 select SND_SOC_TLV320AIC3X help Say Y if you want to add support for SoC audio on Nokia N810. + +config SND_OMAP_SOC_OSK5912 + tristate "SoC Audio support for omap osk5912" + depends on SND_OMAP_SOC && MACH_OMAP_OSK + select SND_OMAP_SOC_MCBSP + select SND_SOC_TLV320AIC23 + help + Say Y if you want to add support for SoC audio on osk5912. diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index d8d8d58075e3..e09d1f297f64 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -7,5 +7,7 @@ obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o # OMAP Machine Support snd-soc-n810-objs := n810.o +snd-soc-osk5912-objs := osk5912.o obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o +obj-$(CONFIG_SND_OMAP_SOC_OSK5912) += snd-soc-osk5912.o diff --git a/sound/soc/omap/osk5912.c b/sound/soc/omap/osk5912.c new file mode 100644 index 000000000000..0fe733796898 --- /dev/null +++ b/sound/soc/omap/osk5912.c @@ -0,0 +1,232 @@ +/* + * osk5912.c -- SoC audio for OSK 5912 + * + * Copyright (C) 2008 Mistral Solutions + * + * Contact: Arun KS + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/tlv320aic23.h" + +#define CODEC_CLOCK 12000000 + +static struct clk *tlv320aic23_mclk; + +static int osk_startup(struct snd_pcm_substream *substream) +{ + return clk_enable(tlv320aic23_mclk); +} + +static void osk_shutdown(struct snd_pcm_substream *substream) +{ + clk_disable(tlv320aic23_mclk); +} + +static int osk_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; + int err; + + /* Set codec DAI configuration */ + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return err; + } + + /* Set cpu DAI configuration */ + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return err; + } + + /* Set the codec system clock for DAC and ADC */ + err = + snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); + + if (err < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return err; + } + + return err; +} + +static struct snd_soc_ops osk_ops = { + .startup = osk_startup, + .hw_params = osk_hw_params, + .shutdown = osk_shutdown, +}; + +static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "LHPOUT"}, + {"Headphone Jack", NULL, "RHPOUT"}, + + {"LLINEIN", NULL, "Line In"}, + {"RLINEIN", NULL, "Line In"}, + + {"MICIN", NULL, "Mic Jack"}, +}; + +static int osk_tlv320aic23_init(struct snd_soc_codec *codec) +{ + + /* Add osk5912 specific widgets */ + snd_soc_dapm_new_controls(codec, tlv320aic23_dapm_widgets, + ARRAY_SIZE(tlv320aic23_dapm_widgets)); + + /* Set up osk5912 specific audio path audio_map */ + snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + + snd_soc_dapm_enable_pin(codec, "Headphone Jack"); + snd_soc_dapm_enable_pin(codec, "Line In"); + snd_soc_dapm_enable_pin(codec, "Mic Jack"); + + snd_soc_dapm_sync(codec); + + return 0; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link osk_dai = { + .name = "TLV320AIC23", + .stream_name = "AIC23", + .cpu_dai = &omap_mcbsp_dai[0], + .codec_dai = &tlv320aic23_dai, + .init = osk_tlv320aic23_init, + .ops = &osk_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_machine snd_soc_machine_osk = { + .name = "OSK5912", + .dai_link = &osk_dai, + .num_links = 1, +}; + +/* Audio subsystem */ +static struct snd_soc_device osk_snd_devdata = { + .machine = &snd_soc_machine_osk, + .platform = &omap_soc_platform, + .codec_dev = &soc_codec_dev_tlv320aic23, +}; + +static struct platform_device *osk_snd_device; + +static int __init osk_soc_init(void) +{ + int err; + u32 curRate; + struct device *dev; + + if (!(machine_is_omap_osk())) + return -ENODEV; + + osk_snd_device = platform_device_alloc("soc-audio", -1); + if (!osk_snd_device) + return -ENOMEM; + + platform_set_drvdata(osk_snd_device, &osk_snd_devdata); + osk_snd_devdata.dev = &osk_snd_device->dev; + *(unsigned int *)osk_dai.cpu_dai->private_data = 0; /* McBSP1 */ + err = platform_device_add(osk_snd_device); + if (err) + goto err1; + + dev = &osk_snd_device->dev; + + tlv320aic23_mclk = clk_get(dev, "mclk"); + if (IS_ERR(tlv320aic23_mclk)) { + printk(KERN_ERR "Could not get mclk clock\n"); + return -ENODEV; + } + + if (clk_get_usecount(tlv320aic23_mclk) > 0) { + /* MCLK is already in use */ + printk(KERN_WARNING + "MCLK in use at %d Hz. We change it to %d Hz\n", + (uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK); + } + + /* + * Configure 12 MHz output on MCLK. + */ + curRate = (uint) clk_get_rate(tlv320aic23_mclk); + if (curRate != CODEC_CLOCK) { + if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) { + printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n"); + err = -ECANCELED; + goto err1; + } + } + + printk(KERN_INFO "MCLK = %d [%d], usecount = %d\n", + (uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK, + clk_get_usecount(tlv320aic23_mclk)); + + return 0; +err1: + clk_put(tlv320aic23_mclk); + platform_device_del(osk_snd_device); + platform_device_put(osk_snd_device); + + return err; + +} + +static void __exit osk_soc_exit(void) +{ + platform_device_unregister(osk_snd_device); +} + +module_init(osk_soc_init); +module_exit(osk_soc_exit); + +MODULE_AUTHOR("Arun KS "); +MODULE_DESCRIPTION("ALSA SoC OSK 5912"); +MODULE_LICENSE("GPL"); -- GitLab From 3336c5b548b71dcc106a0d862675b30fdf58b3f1 Mon Sep 17 00:00:00 2001 From: Arun KS Date: Thu, 2 Oct 2008 15:07:06 +0530 Subject: [PATCH 4054/6244] ALSA: ASoC: Add DSP DAI format support to the OMAP McBSP driver Enables DSP DAI format for McBSP in OMAP platform driver Signed-off-by: Arun KS Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/omap-mcbsp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 35310e16d7f3..fb920e1b551e 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -245,6 +245,11 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, regs->rcr2 |= RDATDLY(1); regs->xcr2 |= XDATDLY(1); break; + case SND_SOC_DAIFMT_DSP_A: + /* 0-bit data delay */ + regs->rcr2 |= RDATDLY(0); + regs->xcr2 |= XDATDLY(0); + break; default: /* Unsupported data format */ return -EINVAL; -- GitLab From df91ddf178481e68b8517bed0813d032d493efa0 Mon Sep 17 00:00:00 2001 From: Arun KS Date: Fri, 3 Oct 2008 17:07:30 +0530 Subject: [PATCH 4055/6244] ALSA: ASoC: Add custom SOC_SINGLE_TLV for tlv320aic23 codec Replaces SOC_ENUM with custom SOC_SINGLE_TLV for Sidetone volume Signed-off-by: Arun KS Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/tlv320aic23.c | 53 +++++++++++++++++++++++++++++++--- 1 file changed, 49 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c index c2d35e9de335..bb7cfb80ed45 100644 --- a/sound/soc/codecs/tlv320aic23.c +++ b/sound/soc/codecs/tlv320aic23.c @@ -113,7 +113,6 @@ static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg, static const char *rec_src_text[] = { "Line", "Mic" }; static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"}; -static const char *sidetone_text[] = {"-6db", "-9db", "-12db", "-18db", "0db"}; static const struct soc_enum rec_src_enum = SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); @@ -125,11 +124,56 @@ static const struct soc_enum tlv320aic23_rec_src = SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); static const struct soc_enum tlv320aic23_deemph = SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text); -static const struct soc_enum tlv320aic23_sidetone = - SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 6, 5, sidetone_text); static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); +static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0); + +static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + u16 val, reg; + + val = (ucontrol->value.integer.value[0] & 0x07); + + /* linear conversion to userspace + * 000 = -6db + * 001 = -9db + * 010 = -12db + * 011 = -18db (Min) + * 100 = 0db (Max) + */ + val = (val >= 4) ? 4 : (3 - val); + + reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG) & (~0x1C0); + tlv320aic23_write(codec, TLV320AIC23_ANLG, reg | (val << 6)); + + return 0; +} + +static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + u16 val; + + val = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG) & (0x1C0); + val = val >> 6; + val = (val >= 4) ? 4 : (3 - val); + ucontrol->value.integer.value[0] = val; + return 0; + +} + +#define SOC_TLV320AIC23_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ + SNDRV_CTL_ELEM_ACCESS_READWRITE,\ + .tlv.p = (tlv_array), \ + .info = snd_soc_info_volsw, .get = snd_soc_tlv320aic23_get_volsw,\ + .put = snd_soc_tlv320aic23_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL, @@ -141,7 +185,8 @@ static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1), SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0), - SOC_ENUM("Sidetone Gain", tlv320aic23_sidetone), + SOC_TLV320AIC23_SINGLE_TLV("Sidetone Volume", TLV320AIC23_ANLG, + 6, 4, 0, sidetone_vol_tlv), SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph), }; -- GitLab From dd0c0c805d932f34e87ee3c2db9eaee0974bfef8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 6 Oct 2008 16:54:34 +0100 Subject: [PATCH 4056/6244] ALSA: ASoC: Add WM8753 SPI support Implement SPI support for WM8753, cut'n'pasting from the support for WM8731 contributed by Cliff Cai and Alan Horstmann since the wire format is the same for both codecs. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/wm8753.c | 71 +++++++++++++++++++++++++++++++++++++-- sound/soc/codecs/wm8753.h | 1 + 2 files changed, 70 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index 8c4df44f3345..83ba4199c9c3 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include #include @@ -1719,6 +1720,63 @@ err_driver: } #endif +#if defined(CONFIG_SPI_MASTER) +static int __devinit wm8753_spi_probe(struct spi_device *spi) +{ + struct snd_soc_device *socdev = wm8753_socdev; + struct snd_soc_codec *codec = socdev->codec; + int ret; + + codec->control_data = spi; + + ret = wm8753_init(socdev); + if (ret < 0) + dev_err(&spi->dev, "failed to initialise WM8753\n"); + + return ret; +} + +static int __devexit wm8753_spi_remove(struct spi_device *spi) +{ + return 0; +} + +static struct spi_driver wm8753_spi_driver = { + .driver = { + .name = "wm8753", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = wm8753_spi_probe, + .remove = __devexit_p(wm8753_spi_remove), +}; + +static int wm8753_spi_write(struct spi_device *spi, const char *data, int len) +{ + struct spi_transfer t; + struct spi_message m; + u8 msg[2]; + + if (len <= 0) + return 0; + + msg[0] = data[0]; + msg[1] = data[1]; + + spi_message_init(&m); + memset(&t, 0, (sizeof t)); + + t.tx_buf = &msg[0]; + t.len = len; + + spi_message_add_tail(&t, &m); + spi_sync(spi, &m); + + return len; +} +#endif + + static int wm8753_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); @@ -1753,8 +1811,14 @@ static int wm8753_probe(struct platform_device *pdev) codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8753_add_i2c_device(pdev, setup); } -#else - /* Add other interfaces here */ +#endif +#if defined(CONFIG_SPI_MASTER) + if (setup->spi) { + codec->hw_write = (hw_write_t)wm8753_spi_write; + ret = spi_register_driver(&wm8753_spi_driver); + if (ret != 0) + printk(KERN_ERR "can't add spi driver"); + } #endif if (ret != 0) { @@ -1797,6 +1861,9 @@ static int wm8753_remove(struct platform_device *pdev) #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_unregister_device(codec->control_data); i2c_del_driver(&wm8753_i2c_driver); +#endif +#if defined(CONFIG_SPI_MASTER) + spi_unregister_driver(&wm8753_spi_driver); #endif kfree(codec->private_data); kfree(codec); diff --git a/sound/soc/codecs/wm8753.h b/sound/soc/codecs/wm8753.h index 7defde069f1d..6678379c0a29 100644 --- a/sound/soc/codecs/wm8753.h +++ b/sound/soc/codecs/wm8753.h @@ -79,6 +79,7 @@ #define WM8753_ADCTL2 0x3f struct wm8753_setup_data { + int spi; int i2c_bus; unsigned short i2c_address; }; -- GitLab From 5e357952b186555afa0ff4da87431c16503a8ad7 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 7 Oct 2008 11:56:20 +0100 Subject: [PATCH 4057/6244] ALSA: ASoC: Add WM8510 SPI support Implement SPI support for WM8510, cut'n'pasting from the support for WM8731 contributed by Cliff Cai and Alan Horstmann since the wire format is the same for both codecs. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/wm8510.c | 70 +++++++++++++++++++++++++++++++++++++-- sound/soc/codecs/wm8510.h | 1 + 2 files changed, 69 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 9a37c8d95ed2..16768a5acc4c 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -747,6 +748,62 @@ err_driver: } #endif +#if defined(CONFIG_SPI_MASTER) +static int __devinit wm8510_spi_probe(struct spi_device *spi) +{ + struct snd_soc_device *socdev = wm8510_socdev; + struct snd_soc_codec *codec = socdev->codec; + int ret; + + codec->control_data = spi; + + ret = wm8510_init(socdev); + if (ret < 0) + dev_err(&spi->dev, "failed to initialise WM8510\n"); + + return ret; +} + +static int __devexit wm8510_spi_remove(struct spi_device *spi) +{ + return 0; +} + +static struct spi_driver wm8510_spi_driver = { + .driver = { + .name = "wm8510", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = wm8510_spi_probe, + .remove = __devexit_p(wm8510_spi_remove), +}; + +static int wm8510_spi_write(struct spi_device *spi, const char *data, int len) +{ + struct spi_transfer t; + struct spi_message m; + u8 msg[2]; + + if (len <= 0) + return 0; + + msg[0] = data[0]; + msg[1] = data[1]; + + spi_message_init(&m); + memset(&t, 0, (sizeof t)); + + t.tx_buf = &msg[0]; + t.len = len; + + spi_message_add_tail(&t, &m); + spi_sync(spi, &m); + + return len; +} +#endif /* CONFIG_SPI_MASTER */ + static int wm8510_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); @@ -772,8 +829,14 @@ static int wm8510_probe(struct platform_device *pdev) codec->hw_write = (hw_write_t)i2c_master_send; ret = wm8510_add_i2c_device(pdev, setup); } -#else - /* Add other interfaces here */ +#endif +#if defined(CONFIG_SPI_MASTER) + if (setup->spi) { + codec->hw_write = (hw_write_t)wm8510_spi_write; + ret = spi_register_driver(&wm8510_spi_driver); + if (ret != 0) + printk(KERN_ERR "can't add spi driver"); + } #endif if (ret != 0) @@ -795,6 +858,9 @@ static int wm8510_remove(struct platform_device *pdev) #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_unregister_device(codec->control_data); i2c_del_driver(&wm8510_i2c_driver); +#endif +#if defined(CONFIG_SPI_MASTER) + spi_unregister_driver(&wm8510_spi_driver); #endif kfree(codec); diff --git a/sound/soc/codecs/wm8510.h b/sound/soc/codecs/wm8510.h index c53683960456..bdefcf5c69ff 100644 --- a/sound/soc/codecs/wm8510.h +++ b/sound/soc/codecs/wm8510.h @@ -94,6 +94,7 @@ #define WM8510_MCLKDIV_12 (7 << 5) struct wm8510_setup_data { + int spi; int i2c_bus; unsigned short i2c_address; }; -- GitLab From e78cc18d91f23edd9c5319bc1b15a540e351d942 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Tue, 7 Oct 2008 14:49:23 +0300 Subject: [PATCH 4058/6244] ALSA: ASoC: tlv320aic3x: Use uniform tlv320aic naming Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/tlv320aic3x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 566a427c928f..57fc5aff0543 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -991,7 +991,7 @@ EXPORT_SYMBOL_GPL(aic3x_headset_detected); SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE) struct snd_soc_dai aic3x_dai = { - .name = "aic3x", + .name = "tlv320aic3x", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -1055,7 +1055,7 @@ static int aic3x_init(struct snd_soc_device *socdev) struct aic3x_setup_data *setup = socdev->codec_data; int reg, ret = 0; - codec->name = "aic3x"; + codec->name = "tlv320aic3x"; codec->owner = THIS_MODULE; codec->read = aic3x_read_reg_cache; codec->write = aic3x_write; -- GitLab From 3ab57fbe91994e5d6fb371a34390520c6c905bee Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Tue, 7 Oct 2008 14:49:22 +0300 Subject: [PATCH 4059/6244] ALSA: ASoC: Remove unused AUDIO_NAME define from codec drivers Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/ak4535.c | 1 - sound/soc/codecs/ssm2602.c | 1 - sound/soc/codecs/tlv320aic23.c | 1 - sound/soc/codecs/tlv320aic3x.c | 1 - sound/soc/codecs/uda1380.c | 1 - sound/soc/codecs/wm8510.c | 1 - sound/soc/codecs/wm8580.c | 1 - sound/soc/codecs/wm8731.c | 1 - sound/soc/codecs/wm8750.c | 1 - sound/soc/codecs/wm8753.c | 1 - sound/soc/codecs/wm8971.c | 1 - sound/soc/codecs/wm8990.c | 1 - 12 files changed, 12 deletions(-) diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c index 088cf9927720..2a89b5888e11 100644 --- a/sound/soc/codecs/ak4535.c +++ b/sound/soc/codecs/ak4535.c @@ -28,7 +28,6 @@ #include "ak4535.h" -#define AUDIO_NAME "ak4535" #define AK4535_VERSION "0.3" struct snd_soc_codec_device soc_codec_dev_ak4535; diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index 940ce1c3522e..44ef0dacd564 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -42,7 +42,6 @@ #include "ssm2602.h" -#define AUDIO_NAME "ssm2602" #define SSM2602_VERSION "0.1" struct snd_soc_codec_device soc_codec_dev_ssm2602; diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c index bb7cfb80ed45..bac7815e00fb 100644 --- a/sound/soc/codecs/tlv320aic23.c +++ b/sound/soc/codecs/tlv320aic23.c @@ -35,7 +35,6 @@ #include "tlv320aic23.h" -#define AUDIO_NAME "tlv320aic23" #define AIC23_VERSION "0.1" struct tlv320aic23_srate_reg_info { diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 57fc5aff0543..05336ed7e493 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -48,7 +48,6 @@ #include "tlv320aic3x.h" -#define AUDIO_NAME "aic3x" #define AIC3X_VERSION "0.2" /* codec private data */ diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c index d206d7f892b6..a69ee72a7af5 100644 --- a/sound/soc/codecs/uda1380.c +++ b/sound/soc/codecs/uda1380.c @@ -36,7 +36,6 @@ #include "uda1380.h" #define UDA1380_VERSION "0.6" -#define AUDIO_NAME "uda1380" /* * uda1380 register cache diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 16768a5acc4c..142c49bf18e6 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -28,7 +28,6 @@ #include "wm8510.h" -#define AUDIO_NAME "wm8510" #define WM8510_VERSION "0.6" struct snd_soc_codec_device soc_codec_dev_wm8510; diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index df1ffbe305bf..056787f800b8 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -36,7 +36,6 @@ #include "wm8580.h" -#define AUDIO_NAME "wm8580" #define WM8580_VERSION "0.1" struct pll_state { diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 7b64d9a7ff76..7f8a7e36b33e 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -29,7 +29,6 @@ #include "wm8731.h" -#define AUDIO_NAME "wm8731" #define WM8731_VERSION "0.13" struct snd_soc_codec_device soc_codec_dev_wm8731; diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c index 4892e398a598..9b7296ee5b08 100644 --- a/sound/soc/codecs/wm8750.c +++ b/sound/soc/codecs/wm8750.c @@ -29,7 +29,6 @@ #include "wm8750.h" -#define AUDIO_NAME "WM8750" #define WM8750_VERSION "0.12" /* codec private data */ diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index 83ba4199c9c3..63dbc56a3039 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -52,7 +52,6 @@ #include "wm8753.h" -#define AUDIO_NAME "wm8753" #define WM8753_VERSION "0.16" static int caps_charge = 2000; diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index 974a4cd0f3fd..f41a578ddd4f 100644 --- a/sound/soc/codecs/wm8971.c +++ b/sound/soc/codecs/wm8971.c @@ -29,7 +29,6 @@ #include "wm8971.h" -#define AUDIO_NAME "wm8971" #define WM8971_VERSION "0.9" #define WM8971_REG_COUNT 43 diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index 63410d7b5efb..572d22b0880b 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -30,7 +30,6 @@ #include "wm8990.h" -#define AUDIO_NAME "wm8990" #define WM8990_VERSION "0.2" /* codec private data */ -- GitLab From 09af98b08f72471ea53efe26494eef0947a6a10d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 7 Oct 2008 13:04:58 +0100 Subject: [PATCH 4060/6244] ALSA: ASoC: Implement WM8510 bias level control The WM8510 bias level configuration blindly overwrites the power management registers, interfering with the operation of DAPM. Only adjust the specific bits required, implementing use of the VMID resistor string configuration control as we go. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/wm8510.c | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 142c49bf18e6..94cab495d5f3 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -55,6 +55,9 @@ static const u16 wm8510_reg[WM8510_CACHEREGNUM] = { 0x0001, }; +#define WM8510_POWER1_BIASEN 0x08 +#define WM8510_POWER1_BUFIOEN 0x10 + /* * read wm8510 register cache */ @@ -526,23 +529,35 @@ static int wm8510_mute(struct snd_soc_dai *dai, int mute) static int wm8510_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + u16 power1 = wm8510_read_reg_cache(codec, WM8510_POWER1) & ~0x3; switch (level) { case SND_SOC_BIAS_ON: - wm8510_write(codec, WM8510_POWER1, 0x1ff); - wm8510_write(codec, WM8510_POWER2, 0x1ff); - wm8510_write(codec, WM8510_POWER3, 0x1ff); - break; case SND_SOC_BIAS_PREPARE: + power1 |= 0x1; /* VMID 50k */ + wm8510_write(codec, WM8510_POWER1, power1); + break; + case SND_SOC_BIAS_STANDBY: + power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN; + + if (codec->bias_level == SND_SOC_BIAS_OFF) { + /* Initial cap charge at VMID 5k */ + wm8510_write(codec, WM8510_POWER1, power1 | 0x3); + mdelay(100); + } + + power1 |= 0x2; /* VMID 500k */ + wm8510_write(codec, WM8510_POWER1, power1); break; + case SND_SOC_BIAS_OFF: - /* everything off, dac mute, inactive */ - wm8510_write(codec, WM8510_POWER1, 0x0); - wm8510_write(codec, WM8510_POWER2, 0x0); - wm8510_write(codec, WM8510_POWER3, 0x0); + wm8510_write(codec, WM8510_POWER1, 0); + wm8510_write(codec, WM8510_POWER2, 0); + wm8510_write(codec, WM8510_POWER3, 0); break; } + codec->bias_level = level; return 0; } @@ -640,6 +655,7 @@ static int wm8510_init(struct snd_soc_device *socdev) } /* power on device */ + codec->bias_level = SND_SOC_BIAS_OFF; wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY); wm8510_add_controls(codec); wm8510_add_widgets(codec); -- GitLab From 2b5f34c5556fc6480bcace016fc35d9d2921c38f Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 7 Oct 2008 16:13:50 +0100 Subject: [PATCH 4061/6244] ALSA: ASoC: Make WM8510 microphone input a DAPM mixer The WM8510 microphone input PGA was represented as a DAPM PGA but in DAPM terms the functionality is that of a mixer since it takes three switchable inputs and produces one output. Representing it as an input was causing its controls to be misinterpreted as gain controls and would cause some required DAPM updates to be missed. Reported-by: Jukka Hynninen Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/wm8510.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index 94cab495d5f3..ea524c4ce9f2 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -227,9 +227,9 @@ SND_SOC_DAPM_PGA("SpkN Out", WM8510_POWER3, 5, 0, NULL, 0), SND_SOC_DAPM_PGA("SpkP Out", WM8510_POWER3, 6, 0, NULL, 0), SND_SOC_DAPM_PGA("Mono Out", WM8510_POWER3, 7, 0, NULL, 0), -SND_SOC_DAPM_PGA("Mic PGA", WM8510_POWER2, 2, 0, - &wm8510_micpga_controls[0], - ARRAY_SIZE(wm8510_micpga_controls)), +SND_SOC_DAPM_MIXER("Mic PGA", WM8510_POWER2, 2, 0, + &wm8510_micpga_controls[0], + ARRAY_SIZE(wm8510_micpga_controls)), SND_SOC_DAPM_MIXER("Boost Mixer", WM8510_POWER2, 4, 0, &wm8510_boost_controls[0], ARRAY_SIZE(wm8510_boost_controls)), -- GitLab From 446e0f69101baa59de2473f7deba05a730acfe6e Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 10 Oct 2008 08:26:57 +0200 Subject: [PATCH 4062/6244] ALSA: ASoC - clean up Kconfig for TLV320AIC2 Removed unnecessary dependency. Also, make it uninteractive, as it's only for selection by other configs. Signed-off-by: Takashi Iwai --- sound/soc/codecs/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index bdead2dc9968..11eebce97aee 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -68,8 +68,8 @@ config SND_SOC_TLV320AIC23 depends on I2C config SND_SOC_TLV320AIC26 - tristate "TI TLV320AIC26 Codec support" - depends on SND_SOC && SPI + tristate + depends on SPI config SND_SOC_TLV320AIC3X tristate -- GitLab From 9296bb43f1a3b60ab2e9c4ff48a296cacff117a9 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 12:32:16 +0100 Subject: [PATCH 4063/6244] ALSA: ASoC: Make TLV320AIC26 user-visible The TLV320AIC26 Kconfig option is unusual in that it supports the OpenFirmware machine driver which doesn't have a hard binding to the codec driver but discovers the codec via the device tree. This makes it meaningful to select the codec without a machine driver. Ideally there would be a proxy entry so that this option was only visible on OpenFirmware systems. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 11eebce97aee..4975d8573e4f 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -68,7 +68,7 @@ config SND_SOC_TLV320AIC23 depends on I2C config SND_SOC_TLV320AIC26 - tristate + tristate "TI TLV320AIC26 Codec support" depends on SPI config SND_SOC_TLV320AIC3X -- GitLab From 8def464dddd61686e00e96db714a2930a08ef272 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Thu, 9 Oct 2008 15:57:22 +0300 Subject: [PATCH 4064/6244] ALSA: ASoC: OMAP: Add multilink support to McBSP DAI driver Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/omap-mcbsp.c | 72 +++++++++++++++++++++---------------- sound/soc/omap/omap-mcbsp.h | 16 ++++++--- 2 files changed, 53 insertions(+), 35 deletions(-) diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index fb920e1b551e..d32eb4703cfe 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -381,37 +381,49 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, return err; } -struct snd_soc_dai omap_mcbsp_dai[NUM_LINKS] = { -{ - .name = "omap-mcbsp-dai", - .id = 0, - .type = SND_SOC_DAI_I2S, - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = OMAP_MCBSP_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = OMAP_MCBSP_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, - }, - .ops = { - .startup = omap_mcbsp_dai_startup, - .shutdown = omap_mcbsp_dai_shutdown, - .trigger = omap_mcbsp_dai_trigger, - .hw_params = omap_mcbsp_dai_hw_params, - }, - .dai_ops = { - .set_fmt = omap_mcbsp_dai_set_dai_fmt, - .set_clkdiv = omap_mcbsp_dai_set_clkdiv, - .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, - }, - .private_data = &mcbsp_data[0].bus_id, -}, +#define OMAP_MCBSP_DAI_BUILDER(link_id) \ +{ \ + .name = "omap-mcbsp-dai-(link_id)", \ + .id = (link_id), \ + .type = SND_SOC_DAI_I2S, \ + .playback = { \ + .channels_min = 2, \ + .channels_max = 2, \ + .rates = OMAP_MCBSP_RATES, \ + .formats = SNDRV_PCM_FMTBIT_S16_LE, \ + }, \ + .capture = { \ + .channels_min = 2, \ + .channels_max = 2, \ + .rates = OMAP_MCBSP_RATES, \ + .formats = SNDRV_PCM_FMTBIT_S16_LE, \ + }, \ + .ops = { \ + .startup = omap_mcbsp_dai_startup, \ + .shutdown = omap_mcbsp_dai_shutdown, \ + .trigger = omap_mcbsp_dai_trigger, \ + .hw_params = omap_mcbsp_dai_hw_params, \ + }, \ + .dai_ops = { \ + .set_fmt = omap_mcbsp_dai_set_dai_fmt, \ + .set_clkdiv = omap_mcbsp_dai_set_clkdiv, \ + .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, \ + }, \ + .private_data = &mcbsp_data[(link_id)].bus_id, \ +} + +struct snd_soc_dai omap_mcbsp_dai[] = { + OMAP_MCBSP_DAI_BUILDER(0), + OMAP_MCBSP_DAI_BUILDER(1), +#if NUM_LINKS >= 3 + OMAP_MCBSP_DAI_BUILDER(2), +#endif +#if NUM_LINKS == 5 + OMAP_MCBSP_DAI_BUILDER(3), + OMAP_MCBSP_DAI_BUILDER(4), +#endif }; + EXPORT_SYMBOL_GPL(omap_mcbsp_dai); MODULE_AUTHOR("Jarkko Nikula "); diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h index ed8afb550671..df7ad13ba73d 100644 --- a/sound/soc/omap/omap-mcbsp.h +++ b/sound/soc/omap/omap-mcbsp.h @@ -38,11 +38,17 @@ enum omap_mcbsp_div { OMAP_MCBSP_CLKGDV, /* Sample rate generator divider */ }; -/* - * REVISIT: Preparation for the ASoC v2. Let the number of available links to - * be same than number of McBSP ports found in OMAP(s) we are compiling for. - */ -#define NUM_LINKS 1 +#if defined(CONFIG_ARCH_OMAP2420) +#define NUM_LINKS 2 +#endif +#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) +#undef NUM_LINKS +#define NUM_LINKS 3 +#endif +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) +#undef NUM_LINKS +#define NUM_LINKS 5 +#endif extern struct snd_soc_dai omap_mcbsp_dai[NUM_LINKS]; -- GitLab From 406e2c48cf716411c07aecf2a0e5331ae9521efe Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Thu, 9 Oct 2008 15:57:20 +0300 Subject: [PATCH 4065/6244] ALSA: ASoC: OMAP: Add support for OMAP2430 and OMAP34xx in McBSP DAI driver Thanks to Arun KS for fixing one typo in original version of this patch. Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/omap-mcbsp.c | 95 ++++++++++++++++++++++++++++++------- 1 file changed, 77 insertions(+), 18 deletions(-) diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index d32eb4703cfe..e97e6b28b8a7 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -84,11 +84,22 @@ static const unsigned long omap1_mcbsp_port[][2] = { static const int omap1_dma_reqs[][2] = {}; static const unsigned long omap1_mcbsp_port[][2] = {}; #endif -#if defined(CONFIG_ARCH_OMAP2420) -static const int omap2420_dma_reqs[][2] = { + +#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) +static const int omap24xx_dma_reqs[][2] = { { OMAP24XX_DMA_MCBSP1_TX, OMAP24XX_DMA_MCBSP1_RX }, { OMAP24XX_DMA_MCBSP2_TX, OMAP24XX_DMA_MCBSP2_RX }, +#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) + { OMAP24XX_DMA_MCBSP3_TX, OMAP24XX_DMA_MCBSP3_RX }, + { OMAP24XX_DMA_MCBSP4_TX, OMAP24XX_DMA_MCBSP4_RX }, + { OMAP24XX_DMA_MCBSP5_TX, OMAP24XX_DMA_MCBSP5_RX }, +#endif }; +#else +static const int omap24xx_dma_reqs[][2] = {}; +#endif + +#if defined(CONFIG_ARCH_OMAP2420) static const unsigned long omap2420_mcbsp_port[][2] = { { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1, OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1 }, @@ -96,10 +107,43 @@ static const unsigned long omap2420_mcbsp_port[][2] = { OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1 }, }; #else -static const int omap2420_dma_reqs[][2] = {}; static const unsigned long omap2420_mcbsp_port[][2] = {}; #endif +#if defined(CONFIG_ARCH_OMAP2430) +static const unsigned long omap2430_mcbsp_port[][2] = { + { OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR, + OMAP24XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR, + OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP3_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP4_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DXR, + OMAP2430_MCBSP5_BASE + OMAP_MCBSP_REG_DRR }, +}; +#else +static const unsigned long omap2430_mcbsp_port[][2] = {}; +#endif + +#if defined(CONFIG_ARCH_OMAP34XX) +static const unsigned long omap34xx_mcbsp_port[][2] = { + { OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP1_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP3_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP4_BASE + OMAP_MCBSP_REG_DRR }, + { OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DXR, + OMAP34XX_MCBSP5_BASE + OMAP_MCBSP_REG_DRR }, +}; +#else +static const unsigned long omap34xx_mcbsp_port[][2] = {}; +#endif + static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -167,12 +211,15 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, dma = omap1_dma_reqs[bus_id][substream->stream]; port = omap1_mcbsp_port[bus_id][substream->stream]; } else if (cpu_is_omap2420()) { - dma = omap2420_dma_reqs[bus_id][substream->stream]; + dma = omap24xx_dma_reqs[bus_id][substream->stream]; port = omap2420_mcbsp_port[bus_id][substream->stream]; + } else if (cpu_is_omap2430()) { + dma = omap24xx_dma_reqs[bus_id][substream->stream]; + port = omap2430_mcbsp_port[bus_id][substream->stream]; + } else if (cpu_is_omap343x()) { + dma = omap24xx_dma_reqs[bus_id][substream->stream]; + port = omap34xx_mcbsp_port[bus_id][substream->stream]; } else { - /* - * TODO: Add support for 2430 and 3430 - */ return -ENODEV; } omap_mcbsp_dai_dma_params[id][substream->stream].dma_req = dma; @@ -315,7 +362,7 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, int clk_id) { int sel_bit; - u16 reg; + u16 reg, reg_devconf1 = OMAP243X_CONTROL_DEVCONF1; if (cpu_class_is_omap1()) { /* OMAP1's can use only external source clock */ @@ -325,6 +372,12 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, return 0; } + if (cpu_is_omap2420() && mcbsp_data->bus_id > 1) + return -EINVAL; + + if (cpu_is_omap343x()) + reg_devconf1 = OMAP343X_CONTROL_DEVCONF1; + switch (mcbsp_data->bus_id) { case 0: reg = OMAP2_CONTROL_DEVCONF0; @@ -334,20 +387,26 @@ static int omap_mcbsp_dai_set_clks_src(struct omap_mcbsp_data *mcbsp_data, reg = OMAP2_CONTROL_DEVCONF0; sel_bit = 6; break; - /* TODO: Support for ports 3 - 5 in OMAP2430 and OMAP34xx */ + case 2: + reg = reg_devconf1; + sel_bit = 0; + break; + case 3: + reg = reg_devconf1; + sel_bit = 2; + break; + case 4: + reg = reg_devconf1; + sel_bit = 4; + break; default: return -EINVAL; } - if (cpu_class_is_omap2()) { - if (clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK) { - omap_ctrl_writel(omap_ctrl_readl(reg) & - ~(1 << sel_bit), reg); - } else { - omap_ctrl_writel(omap_ctrl_readl(reg) | - (1 << sel_bit), reg); - } - } + if (clk_id == OMAP_MCBSP_SYSCLK_CLKS_FCLK) + omap_ctrl_writel(omap_ctrl_readl(reg) & ~(1 << sel_bit), reg); + else + omap_ctrl_writel(omap_ctrl_readl(reg) | (1 << sel_bit), reg); return 0; } -- GitLab From 2e89713a8396ab07b9cccc83e50e55646c235342 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Thu, 9 Oct 2008 15:57:21 +0300 Subject: [PATCH 4066/6244] ALSA: ASoC: OMAP: Set DMA stream name at runtime in McBSP DAI driver This suits better when adding support for multiple links and different link formats. Signed-off-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/omap-mcbsp.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index e97e6b28b8a7..0a063a98a661 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -59,12 +59,7 @@ static struct omap_mcbsp_data mcbsp_data[NUM_LINKS]; * Stream DMA parameters. DMA request line and port address are set runtime * since they are different between OMAP1 and later OMAPs */ -static struct omap_pcm_dma_data omap_mcbsp_dai_dma_params[NUM_LINKS][2] = { -{ - { .name = "I2S PCM Stereo out", }, - { .name = "I2S PCM Stereo in", }, -}, -}; +static struct omap_pcm_dma_data omap_mcbsp_dai_dma_params[NUM_LINKS][2]; #if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) static const int omap1_dma_reqs[][2] = { @@ -222,6 +217,8 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, } else { return -ENODEV; } + omap_mcbsp_dai_dma_params[id][substream->stream].name = + substream->stream ? "Audio Capture" : "Audio Playback"; omap_mcbsp_dai_dma_params[id][substream->stream].dma_req = dma; omap_mcbsp_dai_dma_params[id][substream->stream].port_addr = port; cpu_dai->dma_data = &omap_mcbsp_dai_dma_params[id][substream->stream]; -- GitLab From 5715952b39ebded49407ff02e58fe2d90904b991 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 24 Sep 2008 10:47:02 +0100 Subject: [PATCH 4067/6244] ALSA: ASoC: Fix inverted input PGA mute bits in WM8903 Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/wm8903.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index a3f54ec4226e..ce40d7877605 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -653,14 +653,14 @@ static const struct snd_kcontrol_new wm8903_snd_controls[] = { /* Input PGAs - No TLV since the scale depends on PGA mode */ SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0, - 7, 1, 0), + 7, 1, 1), SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0, 0, 31, 0), SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1, 6, 1, 0), SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0, - 7, 1, 0), + 7, 1, 1), SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0), SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1, -- GitLab From e8089948d65911c78bcd72960dd419ec636d6f0b Mon Sep 17 00:00:00 2001 From: Jonas Bonn Date: Wed, 1 Oct 2008 18:17:12 +0100 Subject: [PATCH 4068/6244] ALSA: ASoC: Add widgets before setting endpoints on GTA01 This prevents error messages at startup where the endpoints are being set before the widgets/controls have even been added. Signed-off-by: Jonas Bonn Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/s3c24xx/neo1973_wm8753.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 006c36ded257..9eda86259e69 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -518,13 +518,13 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec) snd_soc_dapm_nc_pin(codec, "LINE1"); snd_soc_dapm_nc_pin(codec, "LINE2"); - /* set endpoints to default mode */ - set_scenario_endpoints(codec, NEO_AUDIO_OFF); - /* Add neo1973 specific widgets */ snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets, ARRAY_SIZE(wm8753_dapm_widgets)); + /* set endpoints to default mode */ + set_scenario_endpoints(codec, NEO_AUDIO_OFF); + /* add neo1973 specific controls */ for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) { err = snd_ctl_add(codec->card, -- GitLab From df20cf92cae5640568ee3d48bf7a32987c057413 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 24 Sep 2008 11:57:27 +0100 Subject: [PATCH 4069/6244] ALSA: ASoC: Fix build of GTA01 audio driver Fix a couple of thinkos introduced during the I2C API update. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/s3c24xx/neo1973_wm8753.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 9eda86259e69..f7fc231e238e 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -649,7 +649,7 @@ static void lm4857_shutdown(struct i2c_client *dev) } static const struct i2c_device_id lm4857_i2c_id[] = { - { "neo1973_lm4857", 0 } + { "neo1973_lm4857", 0 }, { } }; @@ -736,7 +736,7 @@ static int __init neo1973_init(void) } ret = neo1973_add_lm4857_device(neo1973_snd_device, - neo1973_wm8753_setup, 0x7C); + 0, 0x7C); if (ret != 0) platform_device_unregister(neo1973_snd_device); -- GitLab From f9d1ab39e8c993f183c39a9724ca5ad29b6336e9 Mon Sep 17 00:00:00 2001 From: Jonas Bonn Date: Wed, 1 Oct 2008 21:47:19 +0200 Subject: [PATCH 4070/6244] ALSA: ASoC: Drop device registration from GTA01 lm4857 driver Device registration should be handled at the machine level and not in the driver code itself. This patch removes the device registration from the driver code in preparation for moving it to the machine definition. [Squashed down two parts to this patch for bisectability - there's also a third part adding registration of the device to the out of tree GTA01 machine driver -- broonie] Signed-off-by: Jonas Bonn Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/s3c24xx/neo1973_wm8753.c | 51 ++++-------------------------- 1 file changed, 6 insertions(+), 45 deletions(-) diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index f7fc231e238e..87ddfefcc2fb 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -602,6 +602,8 @@ static int lm4857_i2c_probe(struct i2c_client *client, { DBG("Entered %s\n", __func__); + i2c = client; + lm4857_write_regs(); return 0; } @@ -610,6 +612,8 @@ static int lm4857_i2c_remove(struct i2c_client *client) { DBG("Entered %s\n", __func__); + i2c = NULL; + return 0; } @@ -667,48 +671,6 @@ static struct i2c_driver lm4857_i2c_driver = { }; static struct platform_device *neo1973_snd_device; -static struct i2c_client *lm4857_client; - -static int __init neo1973_add_lm4857_device(struct platform_device *pdev, - int i2c_bus, - unsigned short i2c_address) -{ - struct i2c_board_info info; - struct i2c_adapter *adapter; - struct i2c_client *client; - int ret; - - ret = i2c_add_driver(&lm4857_i2c_driver); - if (ret != 0) { - dev_err(&pdev->dev, "can't add lm4857 driver\n"); - return ret; - } - - memset(&info, 0, sizeof(struct i2c_board_info)); - info.addr = i2c_address; - strlcpy(info.type, "neo1973_lm4857", I2C_NAME_SIZE); - - adapter = i2c_get_adapter(i2c_bus); - if (!adapter) { - dev_err(&pdev->dev, "can't get i2c adapter %d\n", i2c_bus); - goto err_driver; - } - - client = i2c_new_device(adapter, &info); - i2c_put_adapter(adapter); - if (!client) { - dev_err(&pdev->dev, "can't add lm4857 device at 0x%x\n", - (unsigned int)info.addr); - goto err_driver; - } - - lm4857_client = client; - return 0; - -err_driver: - i2c_del_driver(&lm4857_i2c_driver); - return -ENODEV; -} static int __init neo1973_init(void) { @@ -735,8 +697,8 @@ static int __init neo1973_init(void) return ret; } - ret = neo1973_add_lm4857_device(neo1973_snd_device, - 0, 0x7C); + ret = i2c_add_driver(&lm4857_i2c_driver); + if (ret != 0) platform_device_unregister(neo1973_snd_device); @@ -747,7 +709,6 @@ static void __exit neo1973_exit(void) { DBG("Entered %s\n", __func__); - i2c_unregister_device(lm4857_client); i2c_del_driver(&lm4857_i2c_driver); platform_device_unregister(neo1973_snd_device); } -- GitLab From 9d37484c8ce06d95c53c2bbadfc205faaff834bc Mon Sep 17 00:00:00 2001 From: Arun KS Date: Tue, 30 Sep 2008 15:35:16 +0530 Subject: [PATCH 4071/6244] ALSA: ASoC: Add destination and source port for DMA on OMAP1 Adds destination and source port for dma in platform driver as required by OMAP1 Signed-off-by: Arun KS Acked-by: Jarkko Nikula Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/omap/omap-pcm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 690bfeaec4a0..e9084fdd2082 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -97,7 +97,7 @@ static int omap_pcm_hw_params(struct snd_pcm_substream *substream, prtd->dma_data = dma_data; err = omap_request_dma(dma_data->dma_req, dma_data->name, omap_pcm_dma_irq, substream, &prtd->dma_ch); - if (!cpu_is_omap1510()) { + if (!err & !cpu_is_omap1510()) { /* * Link channel with itself so DMA doesn't need any * reprogramming while looping the buffer @@ -147,12 +147,14 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) dma_params.src_or_dst_synch = OMAP_DMA_DST_SYNC; dma_params.src_start = runtime->dma_addr; dma_params.dst_start = dma_data->port_addr; + dma_params.dst_port = OMAP_DMA_PORT_MPUI; } else { dma_params.src_amode = OMAP_DMA_AMODE_CONSTANT; dma_params.dst_amode = OMAP_DMA_AMODE_POST_INC; dma_params.src_or_dst_synch = OMAP_DMA_SRC_SYNC; dma_params.src_start = dma_data->port_addr; dma_params.dst_start = runtime->dma_addr; + dma_params.src_port = OMAP_DMA_PORT_MPUI; } /* * Set DMA transfer frame size equal to ALSA period size and frame -- GitLab From 4b33c7675d2b0d4a9cb4e38cd73aa1d940f9278d Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Fri, 10 Oct 2008 09:07:23 -0400 Subject: [PATCH 4072/6244] ALSA: hda: add mixers for analog mixer on 92hd75xx codecs Add support for mixers on the analog mixer on some 92hd75xx codecs, along with adding a 'Mixer' entry for it's connection on the dmux. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 50 ++++++++++++++++++++++++---------- 1 file changed, 36 insertions(+), 14 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index c461baa83c2a..1e7b6c111b25 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -322,8 +322,8 @@ static hda_nid_t stac92hd71bxx_mux_nids[2] = { 0x1a, 0x1b }; -static hda_nid_t stac92hd71bxx_dmux_nids[1] = { - 0x1c, +static hda_nid_t stac92hd71bxx_dmux_nids[2] = { + 0x1c, 0x1d, }; static hda_nid_t stac92hd71bxx_smux_nids[2] = { @@ -861,20 +861,18 @@ static struct hda_verb stac92hd71bxx_core_init[] = { { 0x28, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff}, /* connect headphone jack to dac1 */ { 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01}, - { 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, /* Speaker */ /* unmute right and left channels for nodes 0x0a, 0xd, 0x0f */ { 0x0a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, { 0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, { 0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, }; -#define HD_DISABLE_PORTF 3 +#define HD_DISABLE_PORTF 2 static struct hda_verb stac92hd71bxx_analog_core_init[] = { /* start of config #1 */ /* connect port 0f to audio mixer */ { 0x0f, AC_VERB_SET_CONNECT_SEL, 0x2}, - { 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT}, /* Speaker */ /* unmute right and left channels for node 0x0f */ { 0x0f, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, /* start of config #2 */ @@ -883,10 +881,6 @@ static struct hda_verb stac92hd71bxx_analog_core_init[] = { { 0x28, AC_VERB_SET_VOLUME_KNOB_CONTROL, 0xff}, /* connect headphone jack to dac1 */ { 0x0a, AC_VERB_SET_CONNECT_SEL, 0x01}, - /* connect port 0d to audio mixer */ - { 0x0d, AC_VERB_SET_CONNECT_SEL, 0x2}, - /* unmute dac0 input in audio mixer */ - { 0x17, AC_VERB_SET_AMP_GAIN_MUTE, 0x701f}, /* unmute right and left channels for nodes 0x0a, 0xd */ { 0x0a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, { 0x0d, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0)}, @@ -1107,6 +1101,7 @@ static struct snd_kcontrol_new stac92hd83xxx_mixer[] = { static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { STAC_INPUT_SOURCE(2), + STAC_ANALOG_LOOPBACK(0xFA0, 0x7A0, 2), HDA_CODEC_VOLUME_IDX("Capture Volume", 0x0, 0x1c, 0x0, HDA_OUTPUT), HDA_CODEC_MUTE_IDX("Capture Switch", 0x0, 0x1c, 0x0, HDA_OUTPUT), @@ -1119,8 +1114,17 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { HDA_CODEC_MUTE("PC Beep Switch", 0x17, 0x2, HDA_INPUT), */ - HDA_CODEC_MUTE("Analog Loopback 1", 0x17, 0x3, HDA_INPUT), - HDA_CODEC_MUTE("Analog Loopback 2", 0x17, 0x4, HDA_INPUT), + HDA_CODEC_MUTE("Import0 Mux Capture Switch", 0x17, 0x3, HDA_INPUT), + HDA_CODEC_VOLUME("Import0 Mux Capture Volume", 0x17, 0x3, HDA_INPUT), + + HDA_CODEC_MUTE("Import1 Mux Capture Switch", 0x17, 0x3, HDA_INPUT), + HDA_CODEC_VOLUME("Import1 Mux Capture Volume", 0x17, 0x3, HDA_INPUT), + + HDA_CODEC_MUTE("DAC0 Capture Switch", 0x17, 0x3, HDA_INPUT), + HDA_CODEC_VOLUME("DAC0 Capture Volume", 0x17, 0x3, HDA_INPUT), + + HDA_CODEC_MUTE("DAC1 Capture Switch", 0x17, 0x4, HDA_INPUT), + HDA_CODEC_VOLUME("DAC1 Capture Volume", 0x17, 0x4, HDA_INPUT), { } /* end */ }; @@ -1649,7 +1653,7 @@ static struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { static unsigned int ref92hd71bxx_pin_configs[11] = { 0x02214030, 0x02a19040, 0x01a19020, 0x01014010, - 0x0181302e, 0x01114010, 0x01019020, 0x90a000f0, + 0x0181302e, 0x01014010, 0x01019020, 0x90a000f0, 0x90a000f0, 0x01452050, 0x01452050, }; @@ -3000,7 +3004,7 @@ static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec) /* labels for amp mux outputs */ static const char *stac92xx_amp_labels[3] = { - "Front Microphone", "Microphone", "Line In" + "Front Microphone", "Microphone", "Line In", }; /* create amp out controls mux on capable codecs */ @@ -4327,6 +4331,16 @@ static struct hda_codec_ops stac92hd71bxx_patch_ops = { #endif }; +static struct hda_input_mux stac92hd71bxx_dmux = { + .num_items = 4, + .items = { + { "Analog Inputs", 0x00 }, + { "Mixer", 0x01 }, + { "Digital Mic 1", 0x02 }, + { "Digital Mic 2", 0x03 }, + } +}; + static int patch_stac92hd71bxx(struct hda_codec *codec) { struct sigmatel_spec *spec; @@ -4341,6 +4355,8 @@ static int patch_stac92hd71bxx(struct hda_codec *codec) spec->num_pins = ARRAY_SIZE(stac92hd71bxx_pin_nids); spec->num_pwrs = ARRAY_SIZE(stac92hd71bxx_pwr_nids); spec->pin_nids = stac92hd71bxx_pin_nids; + memcpy(&spec->private_dimux, &stac92hd71bxx_dmux, + sizeof(stac92hd71bxx_dmux)); spec->board_config = snd_hda_check_board_config(codec, STAC_92HD71BXX_MODELS, stac92hd71bxx_models, @@ -4392,6 +4408,7 @@ again: /* no output amps */ spec->num_pwrs = 0; spec->mixer = stac92hd71bxx_analog_mixer; + spec->dinput_mux = &spec->private_dimux; /* disable VSW */ spec->init = &stac92hd71bxx_analog_core_init[HD_DISABLE_PORTF]; @@ -4409,12 +4426,13 @@ again: spec->num_pwrs = 0; /* fallthru */ default: + spec->dinput_mux = &spec->private_dimux; spec->mixer = stac92hd71bxx_analog_mixer; spec->init = stac92hd71bxx_analog_core_init; codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs; } - spec->aloopback_mask = 0x20; + spec->aloopback_mask = 0x50; spec->aloopback_shift = 0; if (spec->board_config > STAC_92HD71BXX_REF) { @@ -4456,6 +4474,10 @@ again: spec->multiout.num_dacs = 1; spec->multiout.hp_nid = 0x11; spec->multiout.dac_nids = stac92hd71bxx_dac_nids; + if (spec->dinput_mux) + spec->private_dimux.num_items += + spec->num_dmics - + (ARRAY_SIZE(stac92hd71bxx_dmic_nids) - 1); err = stac92xx_parse_auto_config(codec, 0x21, 0x23); if (!err) { -- GitLab From 687cb98e893f492932abb3e92660d7d828bd44fb Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Sat, 11 Oct 2008 13:52:43 -0400 Subject: [PATCH 4073/6244] ALSA: hda: corrected invalid mixer values Corrected invalid mixer index values on the 92hd71bxxx codec branch. Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 1e7b6c111b25..c59065513118 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1114,11 +1114,11 @@ static struct snd_kcontrol_new stac92hd71bxx_analog_mixer[] = { HDA_CODEC_MUTE("PC Beep Switch", 0x17, 0x2, HDA_INPUT), */ - HDA_CODEC_MUTE("Import0 Mux Capture Switch", 0x17, 0x3, HDA_INPUT), - HDA_CODEC_VOLUME("Import0 Mux Capture Volume", 0x17, 0x3, HDA_INPUT), + HDA_CODEC_MUTE("Import0 Mux Capture Switch", 0x17, 0x0, HDA_INPUT), + HDA_CODEC_VOLUME("Import0 Mux Capture Volume", 0x17, 0x0, HDA_INPUT), - HDA_CODEC_MUTE("Import1 Mux Capture Switch", 0x17, 0x3, HDA_INPUT), - HDA_CODEC_VOLUME("Import1 Mux Capture Volume", 0x17, 0x3, HDA_INPUT), + HDA_CODEC_MUTE("Import1 Mux Capture Switch", 0x17, 0x1, HDA_INPUT), + HDA_CODEC_VOLUME("Import1 Mux Capture Volume", 0x17, 0x1, HDA_INPUT), HDA_CODEC_MUTE("DAC0 Capture Switch", 0x17, 0x3, HDA_INPUT), HDA_CODEC_VOLUME("DAC0 Capture Volume", 0x17, 0x3, HDA_INPUT), -- GitLab From d331124dc2923ec0966a82e3428c532cee8da95f Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Sun, 12 Oct 2008 13:17:36 +0100 Subject: [PATCH 4074/6244] ALSA: ASoC: update email address for Liam Girdwood Update the contact information for Liam Girdwood in ASoC core and drivers as my old email address is no longer valid. Signed-off-by: Liam Girdwood Signed-off-by: Takashi Iwai --- sound/oss/ac97_codec.c | 2 +- sound/pci/ac97/ac97_patch.c | 2 +- sound/soc/at91/at91-ssc.c | 2 +- sound/soc/codecs/ac97.c | 3 +-- sound/soc/codecs/wm8510.c | 2 +- sound/soc/codecs/wm8753.c | 3 +-- sound/soc/codecs/wm8753.h | 3 +-- sound/soc/codecs/wm9712.c | 3 +-- sound/soc/codecs/wm9713.c | 3 +-- sound/soc/pxa/corgi.c | 2 +- sound/soc/pxa/em-x270.c | 2 +- sound/soc/pxa/poodle.c | 2 +- sound/soc/pxa/pxa2xx-i2s.c | 4 ++-- sound/soc/pxa/spitz.c | 2 +- sound/soc/pxa/tosa.c | 2 +- sound/soc/soc-core.c | 5 ++--- sound/soc/soc-dapm.c | 5 ++--- 17 files changed, 20 insertions(+), 27 deletions(-) diff --git a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c index b63839e8f9bd..456a1b4d7832 100644 --- a/sound/oss/ac97_codec.c +++ b/sound/oss/ac97_codec.c @@ -30,7 +30,7 @@ ************************************************************************** * * History - * May 02, 2003 Liam Girdwood + * May 02, 2003 Liam Girdwood * Removed non existant WM9700 * Added support for WM9705, WM9708, WM9709, WM9710, WM9711 * WM9712 and WM9717 diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 6ce3cbe98a6a..6e831aff1bd0 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -476,7 +476,7 @@ static int patch_yamaha_ymf753(struct snd_ac97 * ac97) } /* - * May 2, 2003 Liam Girdwood + * May 2, 2003 Liam Girdwood * removed broken wolfson00 patch. * added support for WM9705,WM9708,WM9709,WM9710,WM9711,WM9712 and WM9717. */ diff --git a/sound/soc/at91/at91-ssc.c b/sound/soc/at91/at91-ssc.c index a5b1a79ebffb..1b61cc461261 100644 --- a/sound/soc/at91/at91-ssc.c +++ b/sound/soc/at91/at91-ssc.c @@ -5,7 +5,7 @@ * Endrelia Technologies Inc. * * Based on pxa2xx Platform drivers by - * Liam Girdwood + * Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index 61fd96ca7bc7..bd1ebdc6c86c 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c @@ -2,8 +2,7 @@ * ac97.c -- ALSA Soc AC97 codec support * * Copyright 2005 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c index ea524c4ce9f2..d8ca2da8d634 100644 --- a/sound/soc/codecs/wm8510.c +++ b/sound/soc/codecs/wm8510.c @@ -3,7 +3,7 @@ * * Copyright 2006 Wolfson Microelectronics PLC. * - * Author: Liam Girdwood + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index 63dbc56a3039..d426eaa22185 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -2,8 +2,7 @@ * wm8753.c -- WM8753 ALSA Soc Audio driver * * Copyright 2003 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/codecs/wm8753.h b/sound/soc/codecs/wm8753.h index 6678379c0a29..f55704ce931b 100644 --- a/sound/soc/codecs/wm8753.h +++ b/sound/soc/codecs/wm8753.h @@ -2,8 +2,7 @@ * wm8753.h -- audio driver for WM8753 * * Copyright 2003 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c index 2f1c91b1d556..ffb471e420e2 100644 --- a/sound/soc/codecs/wm9712.c +++ b/sound/soc/codecs/wm9712.c @@ -2,8 +2,7 @@ * wm9712.c -- ALSA Soc WM9712 codec support * * Copyright 2006 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c index 441d0580db1f..aba402b3c999 100644 --- a/sound/soc/codecs/wm9713.c +++ b/sound/soc/codecs/wm9713.c @@ -2,8 +2,7 @@ * wm9713.c -- ALSA Soc WM9713 codec support * * Copyright 2006 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c index 0bceaf66effd..dd7fa0b329c7 100644 --- a/sound/soc/pxa/corgi.c +++ b/sound/soc/pxa/corgi.c @@ -4,7 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Authors: Liam Girdwood + * Authors: Liam Girdwood * Richard Purdie * * This program is free software; you can redistribute it and/or modify it diff --git a/sound/soc/pxa/em-x270.c b/sound/soc/pxa/em-x270.c index d9c3f7b28be2..e6ff6929ab4b 100644 --- a/sound/soc/pxa/em-x270.c +++ b/sound/soc/pxa/em-x270.c @@ -9,7 +9,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Authors: Liam Girdwood + * Authors: Liam Girdwood * Richard Purdie * * This program is free software; you can redistribute it and/or modify it diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c index e5adb0e91939..4d9930c52789 100644 --- a/sound/soc/pxa/poodle.c +++ b/sound/soc/pxa/poodle.c @@ -4,7 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Authors: Liam Girdwood + * Authors: Liam Girdwood * Richard Purdie * * This program is free software; you can redistribute it and/or modify it diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c index 39d19212f6d3..64057b1d220d 100644 --- a/sound/soc/pxa/pxa2xx-i2s.c +++ b/sound/soc/pxa/pxa2xx-i2s.c @@ -3,7 +3,7 @@ * * Copyright 2005 Wolfson Microelectronics PLC. * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * lrg@slimlogic.co.uk * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -366,6 +366,6 @@ module_init(pxa2xx_i2s_init); module_exit(pxa2xx_i2s_exit); /* Module information */ -MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com"); +MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); MODULE_DESCRIPTION("pxa2xx I2S SoC Interface"); MODULE_LICENSE("GPL"); diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c index e0bcc4250ce3..8f89188e541e 100644 --- a/sound/soc/pxa/spitz.c +++ b/sound/soc/pxa/spitz.c @@ -4,7 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Authors: Liam Girdwood + * Authors: Liam Girdwood * Richard Purdie * * This program is free software; you can redistribute it and/or modify it diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c index eae2a0fb45d4..afefe41b8c46 100644 --- a/sound/soc/pxa/tosa.c +++ b/sound/soc/pxa/tosa.c @@ -4,7 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Authors: Liam Girdwood + * Authors: Liam Girdwood * Richard Purdie * * This program is free software; you can redistribute it and/or modify it diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index ad381138fc2e..462e635dfc74 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -4,8 +4,7 @@ * Copyright 2005 Wolfson Microelectronics PLC. * Copyright 2005 Openedhand Ltd. * - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * with code, comments and ideas from :- * Richard Purdie * @@ -1886,7 +1885,7 @@ module_init(snd_soc_init); module_exit(snd_soc_exit); /* Module information */ -MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com"); +MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); MODULE_DESCRIPTION("ALSA SoC Core"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:soc-audio"); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 83fa9c47b660..efbd0b37810a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2,8 +2,7 @@ * soc-dapm.c -- ALSA SoC Dynamic Audio Power Management * * Copyright 2005 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -1541,6 +1540,6 @@ void snd_soc_dapm_free(struct snd_soc_device *socdev) EXPORT_SYMBOL_GPL(snd_soc_dapm_free); /* Module information */ -MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com"); +MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC"); MODULE_LICENSE("GPL"); -- GitLab From 7d3c6f8717ee6c2bf6cba5fa0bda3b28fbda6015 Mon Sep 17 00:00:00 2001 From: Chris Webb Date: Mon, 13 Oct 2008 11:55:11 +1100 Subject: [PATCH 4075/6244] md: Fix rdev_size_store with size == 0 Fix rdev_size_store with size == 0. size == 0 means to use the largest size allowed by the underlying device and is used when modifying an active array. This fixes a regression introduced by commit d7027458d68b2f1752a28016dcf2ffd0a7e8f567 Cc: Signed-off-by: Chris Webb Signed-off-by: NeilBrown --- drivers/md/md.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 0a3a4bdcd4af..7d8c2bb0a67c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2106,8 +2106,6 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len) if (strict_strtoull(buf, 10, &size) < 0) return -EINVAL; - if (size < my_mddev->size) - return -EINVAL; if (my_mddev->pers && rdev->raid_disk >= 0) { if (my_mddev->persistent) { size = super_types[my_mddev->major_version]. @@ -2118,9 +2116,9 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len) size = (rdev->bdev->bd_inode->i_size >> 10); size -= rdev->data_offset/2; } - if (size < my_mddev->size) - return -EINVAL; /* component must fit device */ } + if (size < my_mddev->size) + return -EINVAL; /* component must fit device */ rdev->size = size; if (size > oldsize && my_mddev->external) { -- GitLab From ea43ddd8491feccf36267349748ea91b1194481e Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 13 Oct 2008 11:55:11 +1100 Subject: [PATCH 4076/6244] md: Allow metadata_version to be updated for externally managed metadata. For externally managed metadata, the 'metadata_version' sysfs attribute is really just a channel for user-space programs to communicate about how the array is being managed. It can be useful for this to be changed while the array is active. Normally changes to metadata_version are not permitted while the array is active. Change that so that if the metadata is externally managed, the metadata_version can be changed to a different flavour of external management. Signed-off-by: NeilBrown --- drivers/md/md.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 7d8c2bb0a67c..13dd7b276150 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2943,7 +2943,13 @@ metadata_store(mddev_t *mddev, const char *buf, size_t len) { int major, minor; char *e; - if (!list_empty(&mddev->disks)) + /* Changing the details of 'external' metadata is + * always permitted. Otherwise there must be + * no devices attached to the array. + */ + if (mddev->external && strncmp(buf, "external:", 9) == 0) + ; + else if (!list_empty(&mddev->disks)) return -EBUSY; if (cmd_match(buf, "none")) { -- GitLab From 80268ee9270ebe4847365a7426de91d179e870d0 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4077/6244] md: Don't try to set an array to 'read-auto' if it is already in that state. 'read-auto' is a variant of 'readonly' which will switch to writable on the first write attempt. Calling do_md_stop to set the array readonly when it is already readonly returns an error. So make sure not to do that. Signed-off-by: NeilBrown --- drivers/md/md.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 13dd7b276150..fc33082d5ffd 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2725,9 +2725,9 @@ array_state_store(mddev_t *mddev, const char *buf, size_t len) break; case read_auto: if (mddev->pers) { - if (mddev->ro != 1) + if (mddev->ro == 0) err = do_md_stop(mddev, 1, 0); - else + else if (mddev->ro == 1) err = restart_array(mddev); if (err == 0) { mddev->ro = 2; -- GitLab From e61130228ea5740e31e9646ea6d1c9d9089746c3 Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4078/6244] md: linear.c: Fix typo in comment. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index b9cbee688fae..61a980da8b51 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -161,7 +161,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) /* min_spacing is the minimum spacing that will fit the hash * table in one PAGE. This may be much smaller than needed. * We find the smallest non-terminal set of consecutive devices - * that is larger than min_spacing as use the size of that as + * that is larger than min_spacing and use the size of that as * the actual spacing */ conf->hash_spacing = conf->array_sectors / 2; -- GitLab From 481d86c7ebe2ce59dfb6ccb720efa9d3fc1cf7cd Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4079/6244] md: linear.c: Remove pointless initialization of curr_offset. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 61a980da8b51..632898f3bc98 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -218,7 +218,6 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) conf->disks[i-1].size; table = conf->hash_table; - curr_offset = 0; i = 0; for (curr_offset = 0; curr_offset < conf->array_sectors / 2; -- GitLab From 451708d2a439accbce136637ed4f156fc27371ab Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4080/6244] md: linear.c: Remove broken debug code. conf->smallest_size is undefined since day one of the git repo.. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 632898f3bc98..01ed03a0c7ee 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -371,29 +371,6 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) static void linear_status (struct seq_file *seq, mddev_t *mddev) { -#undef MD_DEBUG -#ifdef MD_DEBUG - int j; - linear_conf_t *conf = mddev_to_conf(mddev); - sector_t s = 0; - - seq_printf(seq, " "); - for (j = 0; j < mddev->raid_disks; j++) - { - char b[BDEVNAME_SIZE]; - s += conf->smallest_size; - seq_printf(seq, "[%s", - bdevname(conf->hash_table[j][0].rdev->bdev,b)); - - while (s > conf->hash_table[j][0].offset + - conf->hash_table[j][0].size) - seq_printf(seq, "/%s] ", - bdevname(conf->hash_table[j][1].rdev->bdev,b)); - else - seq_printf(seq, "] "); - } - seq_printf(seq, "\n"); -#endif seq_printf(seq, " %dk rounding", mddev->chunk_size/1024); } -- GitLab From 6283815d1853b7daf31dc4adb83e5c1dc9568251 Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4081/6244] md: linear: Represent dev_info->size and dev_info->offset in sectors. Rename them to num_sectors and start_sector which is more descriptive. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 54 ++++++++++++++++++++----------------- include/linux/raid/linear.h | 4 +-- 2 files changed, 31 insertions(+), 27 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 01ed03a0c7ee..1dadb134e0bb 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -42,7 +42,7 @@ static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector) (void)sector_div(block, conf->hash_spacing); hash = conf->hash_table[block]; - while ((sector>>1) >= (hash->size + hash->offset)) + while (sector >= hash->num_sectors + hash->start_sector) hash++; return hash; } @@ -65,7 +65,7 @@ static int linear_mergeable_bvec(struct request_queue *q, sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev); dev0 = which_dev(mddev, sector); - maxsectors = (dev0->size << 1) - (sector - (dev0->offset<<1)); + maxsectors = dev0->num_sectors - (sector - dev0->start_sector); if (maxsectors < bio_sectors) maxsectors = 0; @@ -113,7 +113,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) mdk_rdev_t *rdev; int i, nb_zone, cnt; sector_t min_spacing; - sector_t curr_offset; + sector_t curr_sector; struct list_head *tmp; conf = kzalloc (sizeof (*conf) + raid_disks*sizeof(dev_info_t), @@ -145,7 +145,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) mddev->queue->max_sectors > (PAGE_SIZE>>9)) blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); - disk->size = rdev->size; + disk->num_sectors = rdev->size * 2; conf->array_sectors += rdev->size * 2; cnt++; @@ -169,7 +169,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) sector_t sz = 0; int j; for (j = i; j < cnt - 1 && sz < min_spacing; j++) - sz += conf->disks[j].size; + sz += conf->disks[j].num_sectors / 2; if (sz >= min_spacing && sz < conf->hash_spacing) conf->hash_spacing = sz; } @@ -211,20 +211,20 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) * Here we generate the linear hash table * First calculate the device offsets. */ - conf->disks[0].offset = 0; + conf->disks[0].start_sector = 0; for (i = 1; i < raid_disks; i++) - conf->disks[i].offset = - conf->disks[i-1].offset + - conf->disks[i-1].size; + conf->disks[i].start_sector = + conf->disks[i-1].start_sector + + conf->disks[i-1].num_sectors; table = conf->hash_table; i = 0; - for (curr_offset = 0; - curr_offset < conf->array_sectors / 2; - curr_offset += conf->hash_spacing) { + for (curr_sector = 0; + curr_sector < conf->array_sectors; + curr_sector += conf->hash_spacing * 2) { while (i < raid_disks-1 && - curr_offset >= conf->disks[i+1].offset) + curr_sector >= conf->disks[i+1].start_sector) i++; *table ++ = conf->disks + i; @@ -316,7 +316,6 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) const int rw = bio_data_dir(bio); mddev_t *mddev = q->queuedata; dev_info_t *tmp_dev; - sector_t block; int cpu; if (unlikely(bio_barrier(bio))) { @@ -331,29 +330,33 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) part_stat_unlock(); tmp_dev = which_dev(mddev, bio->bi_sector); - block = bio->bi_sector >> 1; - if (unlikely(block >= (tmp_dev->size + tmp_dev->offset) - || block < tmp_dev->offset)) { + if (unlikely(bio->bi_sector >= (tmp_dev->num_sectors + + tmp_dev->start_sector) + || (bio->bi_sector < + tmp_dev->start_sector))) { char b[BDEVNAME_SIZE]; - printk("linear_make_request: Block %llu out of bounds on " - "dev %s size %llu offset %llu\n", - (unsigned long long)block, + printk("linear_make_request: Sector %llu out of bounds on " + "dev %s: %llu sectors, offset %llu\n", + (unsigned long long)bio->bi_sector, bdevname(tmp_dev->rdev->bdev, b), - (unsigned long long)tmp_dev->size, - (unsigned long long)tmp_dev->offset); + (unsigned long long)tmp_dev->num_sectors, + (unsigned long long)tmp_dev->start_sector); bio_io_error(bio); return 0; } if (unlikely(bio->bi_sector + (bio->bi_size >> 9) > - (tmp_dev->offset + tmp_dev->size)<<1)) { + tmp_dev->start_sector + tmp_dev->num_sectors)) { /* This bio crosses a device boundary, so we have to * split it. */ struct bio_pair *bp; + bp = bio_split(bio, - ((tmp_dev->offset + tmp_dev->size)<<1) - bio->bi_sector); + tmp_dev->start_sector + tmp_dev->num_sectors + - bio->bi_sector); + if (linear_make_request(q, &bp->bio1)) generic_make_request(&bp->bio1); if (linear_make_request(q, &bp->bio2)) @@ -363,7 +366,8 @@ static int linear_make_request (struct request_queue *q, struct bio *bio) } bio->bi_bdev = tmp_dev->rdev->bdev; - bio->bi_sector = bio->bi_sector - (tmp_dev->offset << 1) + tmp_dev->rdev->data_offset; + bio->bi_sector = bio->bi_sector - tmp_dev->start_sector + + tmp_dev->rdev->data_offset; return 1; } diff --git a/include/linux/raid/linear.h b/include/linux/raid/linear.h index 7e375111d007..87090e98529f 100644 --- a/include/linux/raid/linear.h +++ b/include/linux/raid/linear.h @@ -5,8 +5,8 @@ struct dev_info { mdk_rdev_t *rdev; - sector_t size; - sector_t offset; + sector_t num_sectors; + sector_t start_sector; }; typedef struct dev_info dev_info_t; -- GitLab From 23242fbb470ff4c8c4d41f178832cf1929273d7d Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4082/6244] md: linear.c: Make two local variables sector-based. This is a preparation for representing also the remaining fields of struct linear_private_data as sectors. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 1dadb134e0bb..13e928bde7cd 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -112,7 +112,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) dev_info_t **table; mdk_rdev_t *rdev; int i, nb_zone, cnt; - sector_t min_spacing; + sector_t min_sectors; sector_t curr_sector; struct list_head *tmp; @@ -155,23 +155,23 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) goto out; } - min_spacing = conf->array_sectors / 2; - sector_div(min_spacing, PAGE_SIZE/sizeof(struct dev_info *)); + min_sectors = conf->array_sectors; + sector_div(min_sectors, PAGE_SIZE/sizeof(struct dev_info *)); - /* min_spacing is the minimum spacing that will fit the hash + /* min_sectors is the minimum spacing that will fit the hash * table in one PAGE. This may be much smaller than needed. * We find the smallest non-terminal set of consecutive devices - * that is larger than min_spacing and use the size of that as + * that is larger than min_sectors and use the size of that as * the actual spacing */ conf->hash_spacing = conf->array_sectors / 2; for (i=0; i < cnt-1 ; i++) { - sector_t sz = 0; + sector_t tmp = 0; int j; - for (j = i; j < cnt - 1 && sz < min_spacing; j++) - sz += conf->disks[j].num_sectors / 2; - if (sz >= min_spacing && sz < conf->hash_spacing) - conf->hash_spacing = sz; + for (j = i; j < cnt - 1 && tmp < min_sectors; j++) + tmp += conf->disks[j].num_sectors; + if (tmp >= min_sectors && tmp < conf->hash_spacing * 2) + conf->hash_spacing = tmp / 2; } /* hash_spacing may be too large for sector_div to work with, -- GitLab From ab5bd5cbc8d4b868378d062eed3d4240930fbb86 Mon Sep 17 00:00:00 2001 From: Andre Noll Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4083/6244] md: Convert remaining 1k representations in linear.c to sectors. This patch renames hash_spacing and preshift to spacing and sector_shift respectively with the following change of semantics: Case 1: (sizeof(sector_t) <= sizeof(u32)). ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In this case, we have sector_shift = preshift = 0 and spacing = 2 * hash_spacing. Hence, the index for the hash table which is computed by the new code in which_dev() as sector / spacing equals the old value which was (sector/2) / hash_spacing. Note also that the value of nb_zone stays the same because both sz and base double. Case 2: (sizeof(sector_t) > sizeof(u32)). ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ (aka the shifting dance case). Here we have sector_shift = preshift + 1 and spacing = 2 * hash_spacing during the computation of nb_zone and curr_sector, but spacing = hash_spacing in which_dev() because in the last hunk of the patch for linear.c we shift down conf->spacing (= 2 * hash_spacing) by one more bit than in the old code. Hence in the computation of nb_zone, sz and base have the same value as before, so nb_zone is not affected. Also curr_sector in the next hunk stays the same. In which_dev() the hash table index is computed as (sector >> sector_shift) / spacing In view of sector_shift = preshift + 1 and spacing = hash_spacing, this equals ((sector/2) >> preshift) / hash_spacing which is the value computed by the old code. Signed-off-by: Andre Noll Signed-off-by: NeilBrown --- drivers/md/linear.c | 35 +++++++++++++++++------------------ include/linux/raid/linear.h | 6 ++++-- 2 files changed, 21 insertions(+), 20 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 13e928bde7cd..09a64b9cbde8 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -33,14 +33,13 @@ static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector) { dev_info_t *hash; linear_conf_t *conf = mddev_to_conf(mddev); - sector_t block = sector >> 1; /* * sector_div(a,b) returns the remainer and sets a to a/b */ - block >>= conf->preshift; - (void)sector_div(block, conf->hash_spacing); - hash = conf->hash_table[block]; + sector >>= conf->sector_shift; + (void)sector_div(sector, conf->spacing); + hash = conf->hash_table[sector]; while (sector >= hash->num_sectors + hash->start_sector) hash++; @@ -164,25 +163,25 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) * that is larger than min_sectors and use the size of that as * the actual spacing */ - conf->hash_spacing = conf->array_sectors / 2; + conf->spacing = conf->array_sectors; for (i=0; i < cnt-1 ; i++) { sector_t tmp = 0; int j; for (j = i; j < cnt - 1 && tmp < min_sectors; j++) tmp += conf->disks[j].num_sectors; - if (tmp >= min_sectors && tmp < conf->hash_spacing * 2) - conf->hash_spacing = tmp / 2; + if (tmp >= min_sectors && tmp < conf->spacing) + conf->spacing = tmp; } - /* hash_spacing may be too large for sector_div to work with, + /* spacing may be too large for sector_div to work with, * so we might need to pre-shift */ - conf->preshift = 0; + conf->sector_shift = 0; if (sizeof(sector_t) > sizeof(u32)) { - sector_t space = conf->hash_spacing; + sector_t space = conf->spacing; while (space > (sector_t)(~(u32)0)) { space >>= 1; - conf->preshift++; + conf->sector_shift++; } } /* @@ -194,9 +193,9 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) unsigned round; unsigned long base; - sz = conf->array_sectors >> (conf->preshift + 1); + sz = conf->array_sectors >> conf->sector_shift; sz += 1; /* force round-up */ - base = conf->hash_spacing >> conf->preshift; + base = conf->spacing >> conf->sector_shift; round = sector_div(sz, base); nb_zone = sz + (round ? 1 : 0); } @@ -221,7 +220,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) i = 0; for (curr_sector = 0; curr_sector < conf->array_sectors; - curr_sector += conf->hash_spacing * 2) { + curr_sector += conf->spacing) { while (i < raid_disks-1 && curr_sector >= conf->disks[i+1].start_sector) @@ -230,12 +229,12 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) *table ++ = conf->disks + i; } - if (conf->preshift) { - conf->hash_spacing >>= conf->preshift; - /* round hash_spacing up so that when we divide by it, + if (conf->sector_shift) { + conf->spacing >>= conf->sector_shift; + /* round spacing up so that when we divide by it, * we err on the side of "too-low", which is safest. */ - conf->hash_spacing++; + conf->spacing++; } BUG_ON(table - conf->hash_table > nb_zone); diff --git a/include/linux/raid/linear.h b/include/linux/raid/linear.h index 87090e98529f..f38b9c586afb 100644 --- a/include/linux/raid/linear.h +++ b/include/linux/raid/linear.h @@ -15,9 +15,11 @@ struct linear_private_data { struct linear_private_data *prev; /* earlier version */ dev_info_t **hash_table; - sector_t hash_spacing; + sector_t spacing; sector_t array_sectors; - int preshift; /* shift before dividing by hash_spacing */ + int sector_shift; /* shift before dividing + * by spacing + */ dev_info_t disks[0]; }; -- GitLab From fb4d8c76e56a887b9eee99fbc55fe82b18625d30 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4084/6244] md: Remove unnecessary #includes, #defines, and function declarations. A lot of cruft has gathered over the years. Time to remove it. Signed-off-by: NeilBrown --- drivers/md/linear.c | 8 -------- drivers/md/md.c | 21 ++++----------------- drivers/md/multipath.c | 9 --------- drivers/md/raid0.c | 5 ----- drivers/md/raid5.c | 5 ----- drivers/md/raid6.h | 9 --------- include/linux/raid/md.h | 22 ---------------------- 7 files changed, 4 insertions(+), 75 deletions(-) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 09a64b9cbde8..190147c79e79 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -16,16 +16,8 @@ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include - -#include -#include #include -#define MAJOR_NR MD_MAJOR -#define MD_DRIVER -#define MD_PERSONALITY - /* * find which device holds a particular offset */ diff --git a/drivers/md/md.c b/drivers/md/md.c index fc33082d5ffd..cd97de5982e8 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -32,31 +32,20 @@ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include -#include #include -#include #include #include #include #include /* for invalidate_bdev */ #include -#include #include -#include - -#include - +#include +#include +#include +#include #include -#ifdef CONFIG_KMOD -#include -#endif - -#include - #define MAJOR_NR MD_MAJOR -#define MD_DRIVER /* 63 partitions with the alternate major number (mdp) */ #define MdpMinorShift 6 @@ -3559,12 +3548,10 @@ static int do_md_run(mddev_t * mddev) } } -#ifdef CONFIG_KMOD if (mddev->level != LEVEL_NONE) request_module("md-level-%d", mddev->level); else if (mddev->clevel[0]) request_module("md-%s", mddev->clevel); -#endif /* * Drop all container device buffers, from now on diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 8bb8794129b3..8744014b9d80 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -19,16 +19,7 @@ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include -#include -#include #include -#include -#include - -#define MAJOR_NR MD_MAJOR -#define MD_DRIVER -#define MD_PERSONALITY #define MAX_WORK_PER_DISK 128 diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 53508a8a981d..8ac6488ad0dc 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -18,13 +18,8 @@ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include #include -#define MAJOR_NR MD_MAJOR -#define MD_DRIVER -#define MD_PERSONALITY - static void raid0_unplug(struct request_queue *q) { mddev_t *mddev = q->queuedata; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index ae16794bef20..7e654543c97d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -43,12 +43,7 @@ * miss any bits. */ -#include -#include -#include -#include #include -#include #include "raid6.h" #include diff --git a/drivers/md/raid6.h b/drivers/md/raid6.h index 31cbee71365f..98dcde88470e 100644 --- a/drivers/md/raid6.h +++ b/drivers/md/raid6.h @@ -18,15 +18,6 @@ /* Set to 1 to use kernel-wide empty_zero_page */ #define RAID6_USE_EMPTY_ZERO_PAGE 0 -#include -#include -#include -#include -#include -#include -#include -#include -#include #include #include diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h index dc0e3fcb9f28..bb727fa1ce7f 100644 --- a/include/linux/raid/md.h +++ b/include/linux/raid/md.h @@ -19,27 +19,7 @@ #define _MD_H #include -#include -#include -#include -#include -#include -#include -#include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include /* * 'md_p.h' holds the 'physical' layout of RAID devices @@ -83,10 +63,8 @@ extern void md_wakeup_thread(mdk_thread_t *thread); extern void md_check_recovery(mddev_t *mddev); extern void md_write_start(mddev_t *mddev, struct bio *bi); extern void md_write_end(mddev_t *mddev); -extern void md_handle_safemode(mddev_t *mddev); extern void md_done_sync(mddev_t *mddev, int blocks, int ok); extern void md_error (mddev_t *mddev, mdk_rdev_t *rdev); -extern void md_unplug_mddev(mddev_t *mddev); extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, sector_t sector, int size, struct page *page); -- GitLab From d710e13812600037a723a673dc5c96a071de98d3 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4085/6244] md: remove space after function name in declaration and call. Having function (args) instead of function(args) make is harder to search for calls of particular functions. So remove all those spaces. Signed-off-by: NeilBrown --- drivers/md/md.c | 26 +++++++++++++------------- drivers/md/raid5.c | 30 +++++++++++++++--------------- include/linux/raid/md.h | 10 +++++----- 3 files changed, 33 insertions(+), 33 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index cd97de5982e8..a29187d1fcf5 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -55,7 +55,7 @@ #ifndef MODULE -static void autostart_arrays (int part); +static void autostart_arrays(int part); #endif static LIST_HEAD(pers_list); @@ -201,7 +201,7 @@ static DEFINE_SPINLOCK(all_mddevs_lock); ) -static int md_fail_request (struct request_queue *q, struct bio *bio) +static int md_fail_request(struct request_queue *q, struct bio *bio) { bio_io_error(bio); return 0; @@ -3962,10 +3962,10 @@ static void autorun_array(mddev_t *mddev) } printk("\n"); - err = do_md_run (mddev); + err = do_md_run(mddev); if (err) { printk(KERN_WARNING "md: do_md_run() returned %d\n", err); - do_md_stop (mddev, 0, 0); + do_md_stop(mddev, 0, 0); } } @@ -4324,7 +4324,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info) if (!(info->state & (1<pers) { - mddev->pers->status (seq, mddev); + mddev->pers->status(seq, mddev); seq_printf(seq, "\n "); if (mddev->pers->sync_request) { if (mddev->curr_resync > 2) { - status_resync (seq, mddev); + status_resync(seq, mddev); seq_printf(seq, "\n "); } else if (mddev->curr_resync == 1 || mddev->curr_resync == 2) seq_printf(seq, "\tresync=DELAYED\n "); @@ -6251,7 +6251,7 @@ static int md_notify_reboot(struct notifier_block *this, * appears to still be in use. Hence * the '100'. */ - do_md_stop (mddev, 1, 100); + do_md_stop(mddev, 1, 100); mddev_unlock(mddev); } /* @@ -6295,7 +6295,7 @@ static int __init md_init(void) raid_table_header = register_sysctl_table(raid_root_table); md_geninit(); - return (0); + return 0; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 7e654543c97d..d72be4b89e64 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -270,7 +270,7 @@ static int grow_buffers(struct stripe_head *sh, int num) return 0; } -static void raid5_build_block (struct stripe_head *sh, int i); +static void raid5_build_block(struct stripe_head *sh, int i); static void init_stripe(struct stripe_head *sh, sector_t sector, int pd_idx, int disks) { @@ -1146,7 +1146,7 @@ static void raid5_end_read_request(struct bio * bi, int error) release_stripe(sh); } -static void raid5_end_write_request (struct bio *bi, int error) +static void raid5_end_write_request(struct bio *bi, int error) { struct stripe_head *sh = bi->bi_private; raid5_conf_t *conf = sh->raid_conf; @@ -1178,7 +1178,7 @@ static void raid5_end_write_request (struct bio *bi, int error) static sector_t compute_blocknr(struct stripe_head *sh, int i); -static void raid5_build_block (struct stripe_head *sh, int i) +static void raid5_build_block(struct stripe_head *sh, int i) { struct r5dev *dev = &sh->dev[i]; @@ -1216,10 +1216,10 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) set_bit(MD_RECOVERY_INTR, &mddev->recovery); } set_bit(Faulty, &rdev->flags); - printk (KERN_ALERT - "raid5: Disk failure on %s, disabling device.\n" - "raid5: Operation continuing on %d devices.\n", - bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); + printk(KERN_ALERT + "raid5: Disk failure on %s, disabling device.\n" + "raid5: Operation continuing on %d devices.\n", + bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); } } @@ -1315,8 +1315,8 @@ static sector_t raid5_compute_sector(sector_t r_sector, unsigned int raid_disks, *dd_idx = (*pd_idx + 2 + *dd_idx) % raid_disks; break; default: - printk (KERN_CRIT "raid6: unsupported algorithm %d\n", - conf->algorithm); + printk(KERN_CRIT "raid6: unsupported algorithm %d\n", + conf->algorithm); } break; } @@ -1391,8 +1391,8 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i) } break; default: - printk (KERN_CRIT "raid6: unsupported algorithm %d\n", - conf->algorithm); + printk(KERN_CRIT "raid6: unsupported algorithm %d\n", + conf->algorithm); } break; } @@ -1400,7 +1400,7 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i) chunk_number = stripe * data_disks + i; r_sector = (sector_t)chunk_number * sectors_per_chunk + chunk_offset; - check = raid5_compute_sector (r_sector, raid_disks, data_disks, &dummy1, &dummy2, conf); + check = raid5_compute_sector(r_sector, raid_disks, data_disks, &dummy1, &dummy2, conf); if (check != sh->sector || dummy1 != dd_idx || dummy2 != sh->pd_idx) { printk(KERN_ERR "compute_blocknr: map not correct\n"); return 0; @@ -4284,7 +4284,7 @@ static int stop(mddev_t *mddev) } #ifdef DEBUG -static void print_sh (struct seq_file *seq, struct stripe_head *sh) +static void print_sh(struct seq_file *seq, struct stripe_head *sh) { int i; @@ -4300,7 +4300,7 @@ static void print_sh (struct seq_file *seq, struct stripe_head *sh) seq_printf(seq, "\n"); } -static void printall (struct seq_file *seq, raid5_conf_t *conf) +static void printall(struct seq_file *seq, raid5_conf_t *conf) { struct stripe_head *sh; struct hlist_node *hn; @@ -4318,7 +4318,7 @@ static void printall (struct seq_file *seq, raid5_conf_t *conf) } #endif -static void status (struct seq_file *seq, mddev_t *mddev) +static void status(struct seq_file *seq, mddev_t *mddev) { raid5_conf_t *conf = (raid5_conf_t *) mddev->private; int i; diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h index bb727fa1ce7f..82bea14cae1a 100644 --- a/include/linux/raid/md.h +++ b/include/linux/raid/md.h @@ -54,17 +54,17 @@ extern int mdp_major; -extern int register_md_personality (struct mdk_personality *p); -extern int unregister_md_personality (struct mdk_personality *p); -extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev), +extern int register_md_personality(struct mdk_personality *p); +extern int unregister_md_personality(struct mdk_personality *p); +extern mdk_thread_t * md_register_thread(void (*run) (mddev_t *mddev), mddev_t *mddev, const char *name); -extern void md_unregister_thread (mdk_thread_t *thread); +extern void md_unregister_thread(mdk_thread_t *thread); extern void md_wakeup_thread(mdk_thread_t *thread); extern void md_check_recovery(mddev_t *mddev); extern void md_write_start(mddev_t *mddev, struct bio *bi); extern void md_write_end(mddev_t *mddev); extern void md_done_sync(mddev_t *mddev, int blocks, int ok); -extern void md_error (mddev_t *mddev, mdk_rdev_t *rdev); +extern void md_error(mddev_t *mddev, mdk_rdev_t *rdev); extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev, sector_t sector, int size, struct page *page); -- GitLab From 4bbf3771ca40d0aaec8316d0e7476b16010288e5 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 13 Oct 2008 11:55:12 +1100 Subject: [PATCH 4086/6244] md: Relax minimum size restrictions on chunk_size. Currently, the 'chunk_size' of an array must be at-least PAGE_SIZE. This makes moving an array to a machine with a larger PAGE_SIZE, or changing the kernel to use a larger PAGE_SIZE, can stop an array from working. For RAID10 and RAID4/5/6, this is non-trivial to fix as the resync process works on whole pages at a time, and assumes them to be wholly within a stripe. For other raid personalities, this restriction is not needed at all and can be dropped. So remove the test on chunk_size from common can, and add it in just the places where it is needed: raid10 and raid4/5/6. Signed-off-by: NeilBrown --- drivers/md/md.c | 7 +------ drivers/md/raid10.c | 5 +++-- drivers/md/raid5.c | 7 +++++++ 3 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index a29187d1fcf5..be2014f6e37b 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3520,17 +3520,12 @@ static int do_md_run(mddev_t * mddev) return -EINVAL; } /* - * chunk-size has to be a power of 2 and multiples of PAGE_SIZE + * chunk-size has to be a power of 2 */ if ( (1 << ffz(~chunk_size)) != chunk_size) { printk(KERN_ERR "chunk_size of %d not valid\n", chunk_size); return -EINVAL; } - if (chunk_size < PAGE_SIZE) { - printk(KERN_ERR "too small chunk_size: %d < %ld\n", - chunk_size, PAGE_SIZE); - return -EINVAL; - } /* devices must have minimum size of one chunk */ rdev_for_each(rdev, tmp, mddev) { diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 8bdc9bfc2887..e3794799f308 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -2028,8 +2028,9 @@ static int run(mddev_t *mddev) int nc, fc, fo; sector_t stride, size; - if (mddev->chunk_size == 0) { - printk(KERN_ERR "md/raid10: non-zero chunk size required.\n"); + if (mddev->chunk_size < PAGE_SIZE) { + printk(KERN_ERR "md/raid10: chunk size must be " + "at least PAGE_SIZE(%ld).\n", PAGE_SIZE); return -EINVAL; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index d72be4b89e64..a36a7435edf5 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4007,6 +4007,13 @@ static int run(mddev_t *mddev) return -EIO; } + if (mddev->chunk_size < PAGE_SIZE) { + printk(KERN_ERR "md/raid5: chunk_size must be at least " + "PAGE_SIZE but %d < %ld\n", + mddev->chunk_size, PAGE_SIZE); + return -EINVAL; + } + if (mddev->reshape_position != MaxSector) { /* Check that we can continue the reshape. * Currently only disks can change, it must -- GitLab From a7e54e6de3b01d9085202fdbf0110da425f4af38 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 23:12:56 +0800 Subject: [PATCH 4087/6244] ALSA: ASoC codec: remove unused #include The files below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. sound/soc/codecs/ad1980.c sound/soc/codecs/wm8580.c sound/soc/codecs/wm8900.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: Takashi Iwai --- sound/soc/codecs/ad1980.c | 1 - sound/soc/codecs/wm8580.c | 1 - sound/soc/codecs/wm8900.c | 1 - 3 files changed, 3 deletions(-) diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c index 4e09c1f2c063..1397b8e06c0b 100644 --- a/sound/soc/codecs/ad1980.c +++ b/sound/soc/codecs/ad1980.c @@ -13,7 +13,6 @@ #include #include -#include #include #include #include diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index 056787f800b8..627ebfb4209b 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -18,7 +18,6 @@ #include #include -#include #include #include #include diff --git a/sound/soc/codecs/wm8900.c b/sound/soc/codecs/wm8900.c index 0b8c6d38b48f..3b326c9b5586 100644 --- a/sound/soc/codecs/wm8900.c +++ b/sound/soc/codecs/wm8900.c @@ -18,7 +18,6 @@ #include #include -#include #include #include #include -- GitLab From 58c35bd31f8b577e03d904c214b55b3d91369a85 Mon Sep 17 00:00:00 2001 From: Vitja Makarov Date: Mon, 13 Oct 2008 15:23:56 +0800 Subject: [PATCH 4088/6244] Blackfin arch: introducing bfin_addr_dcachable This patch introduces bfin_addr_dcachable() predicate, that simply tests is address in cachable region or not. Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cplbinit.h | 14 ++++++++++++++ arch/blackfin/kernel/setup.c | 1 + 2 files changed, 15 insertions(+) diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index 9d23cd1ff7d9..d179b747ff03 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -92,4 +92,18 @@ extern unsigned long reserved_mem_icache_on; extern void generate_cplb_tables(void); +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} + #endif diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 7054594831c5..7f35d1046cd8 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -42,6 +42,7 @@ EXPORT_SYMBOL(memory_start); EXPORT_SYMBOL(memory_end); EXPORT_SYMBOL(physical_mem_end); EXPORT_SYMBOL(_ramend); +EXPORT_SYMBOL(reserved_mem_dcache_on); #ifdef CONFIG_MTD_UCLINUX unsigned long memory_mtd_end, memory_mtd_start, mtd_size; -- GitLab From 46aa04f9b678d1d6f3558429109326775ca87715 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 11:30:17 +0800 Subject: [PATCH 4089/6244] Blackfin arch: AD7879 Touchscreen driver Add AD7879 Touchscreen driver to the device structures Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf537/boards/stamp.c | 40 +++++++++++++++++++++++-- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index ccfa08801840..dc5a30849c15 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -51,7 +51,6 @@ #include #include #include -#include /* * Name the Board for the /proc/cpuinfo @@ -555,6 +554,7 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { #endif #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +#include static struct bfin5xx_spi_chip spi_ad7877_chip_info = { .enable_dma = 0, .bits_per_word = 16, @@ -575,6 +575,28 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = { }; #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) +#include +static struct bfin5xx_spi_chip spi_ad7879_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7879_platform_data bfin_ad7879_ts_info = { + .model = 7879, /* Model = AD7879 */ + .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ + .pressure_max = 10000, + .pressure_min = 0, + .first_conversion_delay = 3, /* wait 512us before do a first conversion */ + .acquisition_time = 1, /* 4us acquisition time per sample */ + .median = 2, /* do 8 measurements */ + .averaging = 1, /* take the average of 4 middle samples */ + .pen_down_acc_interval = 255, /* 9.4 ms */ + .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */ + .gpio_default = 1, /* During initialization set GPIO = HIGH */ +}; +#endif + #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) static struct bfin5xx_spi_chip spidev_chip_info = { .enable_dma = 0, @@ -728,6 +750,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spi_ad7877_chip_info, }, #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) + { + .modalias = "ad7879", + .platform_data = &bfin_ad7879_ts_info, + .irq = IRQ_PF7, + .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spi_ad7879_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) { .modalias = "spidev", @@ -742,7 +776,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .modalias = "bfin-lq035q1-spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = 1, + .chip_select = 2, .controller_data = &lq035q1_spi_chip_info, .mode = SPI_CPHA | SPI_CPOL, }, @@ -799,7 +833,7 @@ static struct platform_device bfin_fb_adv7393_device = { static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, - .use_bl = 1, + .use_bl = 0, /* let something else control the LCD Blacklight */ .gpio_bl = GPIO_PF7, }; -- GitLab From e9fae189caae7c1cf306e30f5b67c6d226ed69cf Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 11:35:22 +0800 Subject: [PATCH 4090/6244] Blackfin arch: Fix bogus str_ident check in gpio code Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/kernel/bfin_gpio.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 12710ed180be..6e08f425bb44 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -238,7 +238,7 @@ static void gpio_error(unsigned gpio) static void set_label(unsigned short ident, const char *label) { - if (label && str_ident) { + if (label) { strncpy(str_ident[ident].name, label, RESOURCE_LABEL_SIZE); str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0; @@ -247,9 +247,6 @@ static void set_label(unsigned short ident, const char *label) static char *get_label(unsigned short ident) { - if (!str_ident) - return "UNKNOWN"; - return (*str_ident[ident].name ? str_ident[ident].name : "UNKNOWN"); } @@ -260,7 +257,7 @@ static int cmp_label(unsigned short ident, const char *label) printk(KERN_ERR "Please provide none-null label\n"); } - if (label && str_ident) + if (label) return strncmp(str_ident[ident].name, label, strlen(label)); else -- GitLab From 71de1f8a6365ea65346881e526132563d93696d1 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Mon, 13 Oct 2008 11:37:34 +0800 Subject: [PATCH 4091/6244] Blackfin arch: make sure we include the fix for SPORT hysteresis when reprogramming clocks As pointed out by Appalayagari Sreedhar, make sure we include the fix for SPORT hysteresis when reprogramming clocks. Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/head.S | 3 +++ arch/blackfin/mach-bf533/head.S | 3 +++ arch/blackfin/mach-bf537/head.S | 3 +++ arch/blackfin/mach-bf548/head.S | 3 +++ arch/blackfin/mach-bf561/head.S | 3 +++ 5 files changed, 15 insertions(+) diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index 28c486191209..6588170e3845 100644 --- a/arch/blackfin/mach-bf527/head.S +++ b/arch/blackfin/mach-bf527/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 01b2b7ead5ab..619685b94d90 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -78,6 +78,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S index 12eb5cc571d0..559a7eef7a38 100644 --- a/arch/blackfin/mach-bf537/head.S +++ b/arch/blackfin/mach-bf537/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index b0628164e5d9..051b05c88027 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -94,6 +94,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S index 75ea6a905829..0b28137b3dea 100644 --- a/arch/blackfin/mach-bf561/head.S +++ b/arch/blackfin/mach-bf561/head.S @@ -77,6 +77,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ -- GitLab From 738e1e694bf6d9e965ba0ce2667a1bec5780a172 Mon Sep 17 00:00:00 2001 From: Petr Vandrovec Date: Sun, 12 Oct 2008 20:58:29 -0700 Subject: [PATCH 4092/6244] r8169: NULL pointer dereference on r8169 load mmio_addr in r8169 needs to be initialized before use Maybe that all tp-> initialization should be moved before rtl_init_mac_address call, but this is enough to get rid of crash in rtl_rar_set due to mmio_addr being uninitialized. Signed-off-by: Petr Vandrovec Signed-off-by: David S. Miller --- drivers/net/r8169.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index bdae2c59a750..c821da21d8eb 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -2154,6 +2154,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) spin_lock_init(&tp->lock); + tp->mmio_addr = ioaddr; + rtl_init_mac_address(tp, ioaddr); /* Get MAC address */ @@ -2186,7 +2188,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) #endif tp->intr_mask = 0xffff; - tp->mmio_addr = ioaddr; tp->align = cfg->align; tp->hw_start = cfg->hw_start; tp->intr_event = cfg->intr_event; -- GitLab From 9d731d77c9794bb0a264f58d35949a1ab6dcc41c Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sun, 12 Oct 2008 20:59:48 -0700 Subject: [PATCH 4093/6244] sky2: Fix WOL regression Since dev->power.should_wakeup bit is used by the PCI core to decide whether the device should wake up the system from sleep states, set/unset this bit whenever WOL is enabled/disabled using sky2_set_wol(). Remove an open-coded reference to the standard PCI PM registers that is not used any more. Signed-off-by: Rafael J. Wysocki Signed-off-by: David S. Miller --- drivers/net/sky2.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 3805b9318be7..3813d15e2df7 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -3034,7 +3034,8 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct sky2_port *sky2 = netdev_priv(dev); struct sky2_hw *hw = sky2->hw; - if (wol->wolopts & ~sky2_wol_supported(sky2->hw)) + if ((wol->wolopts & ~sky2_wol_supported(sky2->hw)) + || !device_can_wakeup(&hw->pdev->dev)) return -EOPNOTSUPP; sky2->wol = wol->wolopts; @@ -3045,6 +3046,8 @@ static int sky2_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) sky2_write32(hw, B0_CTST, sky2->wol ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF); + device_set_wakeup_enable(&hw->pdev->dev, sky2->wol); + if (!netif_running(dev)) sky2_wol_init(sky2); return 0; @@ -4179,18 +4182,6 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw) return err; } -static int __devinit pci_wake_enabled(struct pci_dev *dev) -{ - int pm = pci_find_capability(dev, PCI_CAP_ID_PM); - u16 value; - - if (!pm) - return 0; - if (pci_read_config_word(dev, pm + PCI_PM_CTRL, &value)) - return 0; - return value & PCI_PM_CTRL_PME_ENABLE; -} - /* * Read and parse the first part of Vital Product Data */ @@ -4314,7 +4305,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev, } } - wol_default = pci_wake_enabled(pdev) ? WAKE_MAGIC : 0; + wol_default = device_may_wakeup(&pdev->dev) ? WAKE_MAGIC : 0; err = -ENOMEM; hw = kzalloc(sizeof(*hw), GFP_KERNEL); -- GitLab From 51cf756c0a056dfb3d7ccdddff3b055cbf44a31c Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 12 Oct 2008 21:01:53 -0700 Subject: [PATCH 4094/6244] net/tc35815.c: fix compilation Fix an obvious typo introduced by commit 298cf9beb9679522de995e249eccbd82f7c51999 (phylib: move to dynamic allocation of struct mii_bus). <-- snip --> ... CC drivers/net/tc35815.o drivers/net/tc35815.c: In function 'tc_mii_init': drivers/net/tc35815.c:799: error: 'err_out_free_mii_bus' undeclared (first use in this function) drivers/net/tc35815.c:799: error: (Each undeclared identifier is reported only once drivers/net/tc35815.c:799: error: for each function it appears in.) drivers/net/tc35815.c:781: error: label 'err_out_free_mii_bus' used but not defined make[3]: *** [drivers/net/tc35815.o] Error 1 <-- snip --> Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- drivers/net/tc35815.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c index 4980b12b6219..df20cafff7dd 100644 --- a/drivers/net/tc35815.c +++ b/drivers/net/tc35815.c @@ -796,7 +796,7 @@ err_out_unregister_bus: mdiobus_unregister(lp->mii_bus); err_out_free_mdio_irq: kfree(lp->mii_bus->irq); -err_out_free_mii_bus; +err_out_free_mii_bus: mdiobus_free(lp->mii_bus); err_out: return err; -- GitLab From 1210dde7b39fef3120464d9f3660631689d1c0ed Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 12 Oct 2008 21:02:19 -0700 Subject: [PATCH 4095/6244] net/au1000_eth.c MDIO namespace fixes Commit 2e888103295f47b8fcbf7e9bb8c5da97dd2ecd76 (phylib: add mdiobus_{read,write}) causes the following compile error: <-- snip --> ... CC drivers/net/au1000_eth.o drivers/net/au1000_eth.c:252: error: conflicting types for 'mdiobus_read' include/linux/phy.h:130: error: previous declaration of 'mdiobus_read' was here drivers/net/au1000_eth.c:263: error: conflicting types for 'mdiobus_write' include/linux/phy.h:131: error: previous declaration of 'mdiobus_write' was here ... make[3]: *** [drivers/net/au1000_eth.o] Error 1 <-- snip --> This patch prefixes the driver functions with au1000_ Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- drivers/net/au1000_eth.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 7b92201a7b50..019b13c08ae6 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -94,8 +94,8 @@ static irqreturn_t au1000_interrupt(int, void *); static void au1000_tx_timeout(struct net_device *); static void set_rx_mode(struct net_device *); static int au1000_ioctl(struct net_device *, struct ifreq *, int); -static int mdio_read(struct net_device *, int, int); -static void mdio_write(struct net_device *, int, int, u16); +static int au1000_mdio_read(struct net_device *, int, int); +static void au1000_mdio_write(struct net_device *, int, int, u16); static void au1000_adjust_link(struct net_device *); static void enable_mac(struct net_device *, int); @@ -191,7 +191,7 @@ struct au1000_private *au_macs[NUM_ETH_INTERFACES]; /* * MII operations */ -static int mdio_read(struct net_device *dev, int phy_addr, int reg) +static int au1000_mdio_read(struct net_device *dev, int phy_addr, int reg) { struct au1000_private *aup = (struct au1000_private *) dev->priv; volatile u32 *const mii_control_reg = &aup->mac->mii_control; @@ -225,7 +225,8 @@ static int mdio_read(struct net_device *dev, int phy_addr, int reg) return (int)*mii_data_reg; } -static void mdio_write(struct net_device *dev, int phy_addr, int reg, u16 value) +static void au1000_mdio_write(struct net_device *dev, int phy_addr, + int reg, u16 value) { struct au1000_private *aup = (struct au1000_private *) dev->priv; volatile u32 *const mii_control_reg = &aup->mac->mii_control; @@ -249,7 +250,7 @@ static void mdio_write(struct net_device *dev, int phy_addr, int reg, u16 value) *mii_control_reg = mii_control; } -static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) +static int au1000_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) { /* WARNING: bus->phy_map[phy_addr].attached_dev == dev does * _NOT_ hold (e.g. when PHY is accessed through other MAC's MII bus) */ @@ -257,21 +258,21 @@ static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) enable_mac(dev, 0); /* make sure the MAC associated with this * mii_bus is enabled */ - return mdio_read(dev, phy_addr, regnum); + return au1000_mdio_read(dev, phy_addr, regnum); } -static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, - u16 value) +static int au1000_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, + u16 value) { struct net_device *const dev = bus->priv; enable_mac(dev, 0); /* make sure the MAC associated with this * mii_bus is enabled */ - mdio_write(dev, phy_addr, regnum, value); + au1000_mdio_write(dev, phy_addr, regnum, value); return 0; } -static int mdiobus_reset(struct mii_bus *bus) +static int au1000_mdiobus_reset(struct mii_bus *bus) { struct net_device *const dev = bus->priv; @@ -703,9 +704,9 @@ static struct net_device * au1000_probe(int port_num) goto err_out; aup->mii_bus->priv = dev; - aup->mii_bus->read = mdiobus_read; - aup->mii_bus->write = mdiobus_write; - aup->mii_bus->reset = mdiobus_reset; + aup->mii_bus->read = au1000_mdiobus_read; + aup->mii_bus->write = au1000_mdiobus_write; + aup->mii_bus->reset = au1000_mdiobus_reset; aup->mii_bus->name = "au1000_eth_mii"; snprintf(aup->mii_bus->id, MII_BUS_ID_SIZE, "%x", aup->mac_id); aup->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); -- GitLab From ff71268aa4e9d961643c5e0ea5e14a3dd6d27f28 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 21:03:38 -0700 Subject: [PATCH 4096/6244] wireless: remove duplicated #include Removed duplicated include in net/wireless/core.c. Signed-off-by: Huang Weiyi Acked-by: Johannes Berg Signed-off-by: David S. Miller --- net/wireless/core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/wireless/core.c b/net/wireless/core.c index 5cadbeb76a14..24fdd4cd22cb 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include -- GitLab From 97e92d9d4b52c1257e7891715115e9d00c6b20bc Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 21:04:10 -0700 Subject: [PATCH 4097/6244] qlge: remove duplicated #include Removed duplicated include in files below drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c Signed-off-by: Huang Weiyi Signed-off-by: David S. Miller --- drivers/net/qlge/qlge_ethtool.c | 1 - drivers/net/qlge/qlge_main.c | 1 - 2 files changed, 2 deletions(-) diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c index 6457f8c4fdaa..b62fbd4bf00f 100644 --- a/drivers/net/qlge/qlge_ethtool.c +++ b/drivers/net/qlge/qlge_ethtool.c @@ -29,7 +29,6 @@ #include #include #include -#include #include #include #include diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 3af822b6226e..297877b68c46 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -36,7 +36,6 @@ #include #include #include -#include #include #include #include -- GitLab From c6dcb8278876ebf266e2088b0b45b28aa66b7693 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Sun, 12 Oct 2008 21:05:14 -0700 Subject: [PATCH 4098/6244] smc911x: Add support for LAN921{5,7,8} chips from SMSC LAN92{5,7,8} chips from SMSC are register compatible with LAN911{5,6,7,8} controllers, and only add support for HP Auto-MDIX. LAN9218 doesn't have an external MII interface. Signed-off-by: Guennadi Liakhovetski Acked-by: Peter Korsgaard Signed-off-by: David S. Miller --- drivers/net/smc911x.c | 6 ++++-- drivers/net/smc911x.h | 14 ++++++++++---- 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 3d19d00e8eec..8aa7460ef0e3 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -685,8 +685,10 @@ static void smc911x_phy_detect(struct net_device *dev) * PHY#1 to PHY#31, and then PHY#0 last. */ switch(lp->version) { - case 0x115: - case 0x117: + case CHIP_9115: + case CHIP_9117: + case CHIP_9215: + case CHIP_9217: cfg = SMC_GET_HW_CFG(lp); if (cfg & HW_CFG_EXT_PHY_DET_) { cfg &= ~HW_CFG_PHY_CLK_SEL_; diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h index 2abfc2845198..bf6240f23f5d 100644 --- a/drivers/net/smc911x.h +++ b/drivers/net/smc911x.h @@ -666,10 +666,13 @@ smc_pxa_dma_outsl(struct smc911x_local *lp, u_long physaddr, #define LAN911X_INTERNAL_PHY_ID (0x0007C000) /* Chip ID values */ -#define CHIP_9115 0x115 -#define CHIP_9116 0x116 -#define CHIP_9117 0x117 -#define CHIP_9118 0x118 +#define CHIP_9115 0x0115 +#define CHIP_9116 0x0116 +#define CHIP_9117 0x0117 +#define CHIP_9118 0x0118 +#define CHIP_9215 0x115A +#define CHIP_9217 0x117A +#define CHIP_9218 0x118A struct chip_id { u16 id; @@ -681,6 +684,9 @@ static const struct chip_id chip_ids[] = { { CHIP_9116, "LAN9116" }, { CHIP_9117, "LAN9117" }, { CHIP_9118, "LAN9118" }, + { CHIP_9215, "LAN9215" }, + { CHIP_9217, "LAN9217" }, + { CHIP_9218, "LAN9218" }, { 0, NULL }, }; -- GitLab From ab396eb03f33a2e2afb7b0603a43929bf5857c45 Mon Sep 17 00:00:00 2001 From: Dimitris Michailidis Date: Sun, 12 Oct 2008 21:07:34 -0700 Subject: [PATCH 4099/6244] net: Fix off-by-one in skb_dma_map The unwind loop iterates down to -1 instead of stopping at 0 and ends up accessing ->frags[-1]. Signed-off-by: Dimitris Michailidis Signed-off-by: David S. Miller --- net/core/skb_dma_map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c index 1f49afcd8e86..86234923a3b7 100644 --- a/net/core/skb_dma_map.c +++ b/net/core/skb_dma_map.c @@ -35,7 +35,7 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb, return 0; unwind: - while (i-- >= 0) { + while (--i >= 0) { skb_frag_t *fp = &sp->frags[i]; dma_unmap_page(dev, sp->dma_maps[i + 1], -- GitLab From 14717f811b6662ca77bf39c07f5589c3b084f942 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 21:08:34 -0700 Subject: [PATCH 4100/6244] netfilter: remove unused #include The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. net/netfilter/nf_tproxy_core.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: David S. Miller --- net/netfilter/nf_tproxy_core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/netfilter/nf_tproxy_core.c b/net/netfilter/nf_tproxy_core.c index fe34f4bf74cc..cdc97f3105a3 100644 --- a/net/netfilter/nf_tproxy_core.c +++ b/net/netfilter/nf_tproxy_core.c @@ -10,7 +10,6 @@ * */ -#include #include #include -- GitLab From 1947b36d8f7eb706972bd50fceb063d317d62570 Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 21:08:58 -0700 Subject: [PATCH 4101/6244] jme: remove unused #include The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/net/jme.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: David S. Miller --- drivers/net/jme.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/jme.c b/drivers/net/jme.c index 5f9a1313fa3e..156f159aafbb 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -21,7 +21,6 @@ * */ -#include #include #include #include -- GitLab From 0ed0563e14dcb9986241d30f08ecd33f9bcc3572 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Sun, 12 Oct 2008 21:15:17 -0700 Subject: [PATCH 4102/6244] net/bfin_mac.c MDIO namespace fixes Commit 2e888103295f47b8fcbf7e9bb8c5da97dd2ecd76 (phylib: add mdiobus_{read,write}) causes the following compile error: <-- snip --> ... CC drivers/net/bfin_mac.o drivers/net/bfin_mac.c:272: error: conflicting types for 'mdiobus_read' include/linux/phy.h:130: error: previous declaration of 'mdiobus_read' was here drivers/net/bfin_mac.c:287: error: conflicting types for 'mdiobus_write' include/linux/phy.h:131: error: previous declaration of 'mdiobus_write' was here make[3]: *** [drivers/net/bfin_mac.o] Error 1 <-- snip --> This patch prefixes the driver functions with bfin_ Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- drivers/net/bfin_mac.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index a0d41c5d97d8..b458d607a9c6 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -253,7 +253,7 @@ init_error: * MII operations */ /* Wait until the previous MDC/MDIO transaction has completed */ -static void mdio_poll(void) +static void bfin_mdio_poll(void) { int timeout_cnt = MAX_TIMEOUT_CNT; @@ -269,25 +269,25 @@ static void mdio_poll(void) } /* Read an off-chip register in a PHY through the MDC/MDIO port */ -static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) +static int bfin_mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) { - mdio_poll(); + bfin_mdio_poll(); /* read mode */ bfin_write_EMAC_STAADD(SET_PHYAD((u16) phy_addr) | SET_REGAD((u16) regnum) | STABUSY); - mdio_poll(); + bfin_mdio_poll(); return (int) bfin_read_EMAC_STADAT(); } /* Write an off-chip register in a PHY through the MDC/MDIO port */ -static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, - u16 value) +static int bfin_mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, + u16 value) { - mdio_poll(); + bfin_mdio_poll(); bfin_write_EMAC_STADAT((u32) value); @@ -297,12 +297,12 @@ static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, STAOP | STABUSY); - mdio_poll(); + bfin_mdio_poll(); return 0; } -static int mdiobus_reset(struct mii_bus *bus) +static int bfin_mdiobus_reset(struct mii_bus *bus) { return 0; } @@ -818,7 +818,7 @@ static void bfin_mac_enable(void) bfin_write_DMA1_CONFIG(rx_list_head->desc_a.config); /* Wait MII done */ - mdio_poll(); + bfin_mdio_poll(); /* We enable only RX here */ /* ASTP : Enable Automatic Pad Stripping @@ -1063,9 +1063,9 @@ static int __devinit bfin_mac_probe(struct platform_device *pdev) goto out_err_mdiobus_alloc; lp->mii_bus->priv = ndev; - lp->mii_bus->read = mdiobus_read; - lp->mii_bus->write = mdiobus_write; - lp->mii_bus->reset = mdiobus_reset; + lp->mii_bus->read = bfin_mdiobus_read; + lp->mii_bus->write = bfin_mdiobus_write; + lp->mii_bus->reset = bfin_mdiobus_reset; lp->mii_bus->name = "bfin_mac_mdio"; snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "0"); lp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); -- GitLab From 4bb03849aee63215f4e3859256998975ef27090d Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 12 Oct 2008 21:22:31 -0700 Subject: [PATCH 4103/6244] acpi: Make ACPI_TOSHIBA depend on INPUT. Selecting INPUT_POLLDEV is not sufficient. Signed-off-by: David S. Miller --- drivers/acpi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 12cf5d491f0d..da49b006bcc5 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -259,7 +259,7 @@ config ACPI_ASUS config ACPI_TOSHIBA tristate "Toshiba Laptop Extras" - depends on X86 + depends on X86 && INPUT select INPUT_POLLDEV select NET select RFKILL -- GitLab From d13f7208b211dd3613bdb04e2647081a5160d68f Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:29 +0000 Subject: [PATCH 4104/6244] powerpc/xics: Consolidate ipi message encode and decode xics supports only one ipi per cpu, and expects software to use some queue to know why the interrupt was sent. In Linux, we use a an array of bitmaps indexed by cpu to identify the message. Currently the bits are set in smp.c and decoded in xics.c, with the data structure in a header file. Consolidate the code in xics.c similar to mpic and other interrupt controllers. Also, while making the the array static, the message word doesn't need to be volatile as set_bit and test_clear_bit take care of it for us, and put it under ifdef smp. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/smp.c | 32 +------------- arch/powerpc/platforms/pseries/xics.c | 61 ++++++++++++++++++++------- arch/powerpc/platforms/pseries/xics.h | 12 +----- 3 files changed, 48 insertions(+), 57 deletions(-) diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 9d8f8c84ab89..e00f96baa381 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -37,7 +37,6 @@ #include #include #include -#include "xics.h" #include #include #include @@ -49,6 +48,7 @@ #include "plpar_wrappers.h" #include "pseries.h" +#include "xics.h" /* @@ -105,36 +105,6 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) } #ifdef CONFIG_XICS -static inline void smp_xics_do_message(int cpu, int msg) -{ - set_bit(msg, &xics_ipi_message[cpu].value); - mb(); - xics_cause_IPI(cpu); -} - -static void smp_xics_message_pass(int target, int msg) -{ - unsigned int i; - - if (target < NR_CPUS) { - smp_xics_do_message(target, msg); - } else { - for_each_online_cpu(i) { - if (target == MSG_ALL_BUT_SELF - && i == smp_processor_id()) - continue; - smp_xics_do_message(i, msg); - } - } -} - -static int __init smp_xics_probe(void) -{ - xics_request_IPIs(); - - return cpus_weight(cpu_possible_map); -} - static void __devinit smp_xics_setup_cpu(int cpu) { if (cpu != boot_cpuid) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index c95697912fea..c0cb356833fa 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -71,11 +71,6 @@ static unsigned int interrupt_server_size = 8; static struct irq_host *xics_host; -/* - * XICS only has a single IPI, so encode the messages per CPU - */ -struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; - /* RTAS service tokens */ static int ibm_get_xive; static int ibm_set_xive; @@ -201,6 +196,15 @@ static void xics_update_irq_servers(void) } #ifdef CONFIG_SMP +/* + * XICS only has a single IPI, so encode the messages per CPU + */ +struct xics_ipi_struct { + unsigned long value; + } ____cacheline_aligned; + +static struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; + static int get_irq_server(unsigned int virq, unsigned int strict_check) { int server; @@ -387,7 +391,6 @@ static unsigned int xics_get_irq_lpar(void) } #ifdef CONFIG_SMP - static irqreturn_t xics_ipi_dispatch(int cpu) { WARN_ON(cpu_is_offline(cpu)); @@ -419,6 +422,33 @@ static irqreturn_t xics_ipi_dispatch(int cpu) return IRQ_HANDLED; } +static inline void smp_xics_do_message(int cpu, int msg) +{ + set_bit(msg, &xics_ipi_message[cpu].value); + mb(); + if (firmware_has_feature(FW_FEATURE_LPAR)) + lpar_qirr_info(cpu, IPI_PRIORITY); + else + direct_qirr_info(cpu, IPI_PRIORITY); +} + +void smp_xics_message_pass(int target, int msg) +{ + unsigned int i; + + if (target < NR_CPUS) { + smp_xics_do_message(target, msg); + } else { + for_each_online_cpu(i) { + if (target == MSG_ALL_BUT_SELF + && i == smp_processor_id()) + continue; + smp_xics_do_message(i, msg); + } + } +} + + static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id) { int cpu = smp_processor_id(); @@ -436,15 +466,6 @@ static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id) return xics_ipi_dispatch(cpu); } - -void xics_cause_IPI(int cpu) -{ - if (firmware_has_feature(FW_FEATURE_LPAR)) - lpar_qirr_info(cpu, IPI_PRIORITY); - else - direct_qirr_info(cpu, IPI_PRIORITY); -} - #endif /* CONFIG_SMP */ static void xics_set_cpu_priority(unsigned char cppr) @@ -697,7 +718,7 @@ void __init xics_init_IRQ(void) #ifdef CONFIG_SMP -void xics_request_IPIs(void) +static void xics_request_ipi(void) { unsigned int ipi; int rc; @@ -718,6 +739,14 @@ void xics_request_IPIs(void) "IPI", NULL); BUG_ON(rc); } + +int __init smp_xics_probe(void) +{ + xics_request_ipi(); + + return cpus_weight(cpu_possible_map); +} + #endif /* CONFIG_SMP */ void xics_teardown_cpu(void) diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h index 1c5321ae8f2f..d1d5a83039ae 100644 --- a/arch/powerpc/platforms/pseries/xics.h +++ b/arch/powerpc/platforms/pseries/xics.h @@ -12,20 +12,12 @@ #ifndef _POWERPC_KERNEL_XICS_H #define _POWERPC_KERNEL_XICS_H -#include - extern void xics_init_IRQ(void); extern void xics_setup_cpu(void); extern void xics_teardown_cpu(void); extern void xics_kexec_teardown_cpu(int secondary); -extern void xics_cause_IPI(int cpu); -extern void xics_request_IPIs(void); extern void xics_migrate_irqs_away(void); - -struct xics_ipi_struct { - volatile unsigned long value; -} ____cacheline_aligned; - -extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; +extern int smp_xics_probe(void); +extern void smp_xics_message_pass(int target, int msg); #endif /* _POWERPC_KERNEL_XICS_H */ -- GitLab From 0641cc91b08937578263589feb15182b9ad2b0fc Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:30 +0000 Subject: [PATCH 4105/6244] powerpc/xics: Rearrange file to group code by function Now that xics_update_irq_servers is called only from init and hotplug code, it becomes possible to clean up the ordering of functions in the file, grouping them but the interfaces they implement. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 432 +++++++++++++------------- 1 file changed, 217 insertions(+), 215 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index c0cb356833fa..c98e3a128468 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ - #include #include #include @@ -35,6 +34,8 @@ #include "xics.h" #include "plpar_wrappers.h" +static struct irq_host *xics_host; + #define XICS_IPI 2 #define XICS_IRQ_SPURIOUS 0 @@ -47,6 +48,20 @@ */ #define IPI_PRIORITY 4 +static unsigned int default_server = 0xFF; +static unsigned int default_distrib_server = 0; +static unsigned int interrupt_server_size = 8; + +/* RTAS service tokens */ +static int ibm_get_xive; +static int ibm_set_xive; +static int ibm_int_on; +static int ibm_int_off; + + +/* Direct hardware low level accessors */ + +/* The part of the interrupt presentation layer that we care about */ struct xics_ipl { union { u32 word; @@ -65,22 +80,6 @@ struct xics_ipl { static struct xics_ipl __iomem *xics_per_cpu[NR_CPUS]; -static unsigned int default_server = 0xFF; -static unsigned int default_distrib_server = 0; -static unsigned int interrupt_server_size = 8; - -static struct irq_host *xics_host; - -/* RTAS service tokens */ -static int ibm_get_xive; -static int ibm_set_xive; -static int ibm_int_on; -static int ibm_int_off; - - -/* Direct HW low level accessors */ - - static inline unsigned int direct_xirr_info_get(void) { int cpu = smp_processor_id(); @@ -110,7 +109,6 @@ static inline void direct_qirr_info(int n_cpu, u8 value) /* LPAR low level accessors */ - static inline unsigned int lpar_xirr_info_get(void) { unsigned long lpar_rc; @@ -152,59 +150,9 @@ static inline void lpar_qirr_info(int n_cpu , u8 value) } -/* High level handlers and init code */ - -static void xics_update_irq_servers(void) -{ - int i, j; - struct device_node *np; - u32 ilen; - const u32 *ireg, *isize; - u32 hcpuid; - - /* Find the server numbers for the boot cpu. */ - np = of_get_cpu_node(boot_cpuid, NULL); - BUG_ON(!np); - - ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); - if (!ireg) { - of_node_put(np); - return; - } - - i = ilen / sizeof(int); - hcpuid = get_hard_smp_processor_id(boot_cpuid); - - /* Global interrupt distribution server is specified in the last - * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last - * entry fom this property for current boot cpu id and use it as - * default distribution server - */ - for (j = 0; j < i; j += 2) { - if (ireg[j] == hcpuid) { - default_server = hcpuid; - default_distrib_server = ireg[j+1]; - - isize = of_get_property(np, - "ibm,interrupt-server#-size", NULL); - if (isize) - interrupt_server_size = *isize; - } - } - - of_node_put(np); -} +/* Interface to generic irq subsystem */ #ifdef CONFIG_SMP -/* - * XICS only has a single IPI, so encode the messages per CPU - */ -struct xics_ipi_struct { - unsigned long value; - } ____cacheline_aligned; - -static struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; - static int get_irq_server(unsigned int virq, unsigned int strict_check) { int server; @@ -239,7 +187,6 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check) } #endif - static void xics_unmask_irq(unsigned int virq) { unsigned int irq; @@ -273,6 +220,13 @@ static void xics_unmask_irq(unsigned int virq) } } +static unsigned int xics_startup(unsigned int virq) +{ + /* unmask it */ + xics_unmask_irq(virq); + return 0; +} + static void xics_mask_real_irq(unsigned int irq) { int call_status; @@ -309,28 +263,10 @@ static void xics_mask_irq(unsigned int virq) xics_mask_real_irq(irq); } -static unsigned int xics_startup(unsigned int virq) -{ - /* unmask it */ - xics_unmask_irq(virq); - return 0; -} - -static void xics_eoi_direct(unsigned int virq) -{ - unsigned int irq = (unsigned int)irq_map[virq].hwirq; - - iosync(); - direct_xirr_info_set((0xff << 24) | irq); -} - - -static void xics_eoi_lpar(unsigned int virq) +static void xics_mask_unknown_vec(unsigned int vec) { - unsigned int irq = (unsigned int)irq_map[virq].hwirq; - - iosync(); - lpar_xirr_info_set((0xff << 24) | irq); + printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec); + xics_mask_real_irq(vec); } static inline unsigned int xics_xirr_vector(unsigned int xirr) @@ -342,12 +278,6 @@ static inline unsigned int xics_xirr_vector(unsigned int xirr) return xirr & 0x00ffffff; } -static void xics_mask_unknown_vec(unsigned int vec) -{ - printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec); - xics_mask_real_irq(vec); -} - static unsigned int xics_get_irq_direct(void) { unsigned int xirr = direct_xirr_info_get(); @@ -390,91 +320,20 @@ static unsigned int xics_get_irq_lpar(void) return NO_IRQ; } -#ifdef CONFIG_SMP -static irqreturn_t xics_ipi_dispatch(int cpu) -{ - WARN_ON(cpu_is_offline(cpu)); - - while (xics_ipi_message[cpu].value) { - if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, - &xics_ipi_message[cpu].value)) { - mb(); - smp_message_recv(PPC_MSG_CALL_FUNCTION); - } - if (test_and_clear_bit(PPC_MSG_RESCHEDULE, - &xics_ipi_message[cpu].value)) { - mb(); - smp_message_recv(PPC_MSG_RESCHEDULE); - } - if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, - &xics_ipi_message[cpu].value)) { - mb(); - smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); - } -#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) - if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, - &xics_ipi_message[cpu].value)) { - mb(); - smp_message_recv(PPC_MSG_DEBUGGER_BREAK); - } -#endif - } - return IRQ_HANDLED; -} - -static inline void smp_xics_do_message(int cpu, int msg) -{ - set_bit(msg, &xics_ipi_message[cpu].value); - mb(); - if (firmware_has_feature(FW_FEATURE_LPAR)) - lpar_qirr_info(cpu, IPI_PRIORITY); - else - direct_qirr_info(cpu, IPI_PRIORITY); -} - -void smp_xics_message_pass(int target, int msg) -{ - unsigned int i; - - if (target < NR_CPUS) { - smp_xics_do_message(target, msg); - } else { - for_each_online_cpu(i) { - if (target == MSG_ALL_BUT_SELF - && i == smp_processor_id()) - continue; - smp_xics_do_message(i, msg); - } - } -} - - -static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id) +static void xics_eoi_direct(unsigned int virq) { - int cpu = smp_processor_id(); - - direct_qirr_info(cpu, 0xff); + unsigned int irq = (unsigned int)irq_map[virq].hwirq; - return xics_ipi_dispatch(cpu); + iosync(); + direct_xirr_info_set((0xff << 24) | irq); } -static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id) +static void xics_eoi_lpar(unsigned int virq) { - int cpu = smp_processor_id(); - - lpar_qirr_info(cpu, 0xff); - - return xics_ipi_dispatch(cpu); -} -#endif /* CONFIG_SMP */ + unsigned int irq = (unsigned int)irq_map[virq].hwirq; -static void xics_set_cpu_priority(unsigned char cppr) -{ - if (firmware_has_feature(FW_FEATURE_LPAR)) - lpar_cppr_info(cppr); - else - direct_cppr_info(cppr); iosync(); + lpar_xirr_info_set((0xff << 24) | irq); } static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) @@ -519,22 +378,6 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) } } -void xics_setup_cpu(void) -{ - xics_set_cpu_priority(0xff); - - /* - * Put the calling processor into the GIQ. This is really only - * necessary from a secondary thread as the OF start-cpu interface - * performs this function for us on primary threads. - * - * XXX: undo of teardown on kexec needs this too, as may hotplug - */ - rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, - (1UL << interrupt_server_size) - 1 - default_distrib_server, 1); -} - - static struct irq_chip xics_pic_direct = { .typename = " XICS ", .startup = xics_startup, @@ -544,7 +387,6 @@ static struct irq_chip xics_pic_direct = { .set_affinity = xics_set_affinity }; - static struct irq_chip xics_pic_lpar = { .typename = " XICS ", .startup = xics_startup, @@ -554,6 +396,9 @@ static struct irq_chip xics_pic_lpar = { .set_affinity = xics_set_affinity }; + +/* Interface to arch irq controller subsystem layer */ + /* Points to the irq_chip we're actually using */ static struct irq_chip *xics_irq_chip; @@ -613,6 +458,169 @@ static void __init xics_init_host(void) irq_set_default_host(xics_host); } + +/* Inter-processor interrupt support */ + +#ifdef CONFIG_SMP +/* + * XICS only has a single IPI, so encode the messages per CPU + */ +struct xics_ipi_struct { + unsigned long value; + } ____cacheline_aligned; + +static struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned; + +static inline void smp_xics_do_message(int cpu, int msg) +{ + set_bit(msg, &xics_ipi_message[cpu].value); + mb(); + if (firmware_has_feature(FW_FEATURE_LPAR)) + lpar_qirr_info(cpu, IPI_PRIORITY); + else + direct_qirr_info(cpu, IPI_PRIORITY); +} + +void smp_xics_message_pass(int target, int msg) +{ + unsigned int i; + + if (target < NR_CPUS) { + smp_xics_do_message(target, msg); + } else { + for_each_online_cpu(i) { + if (target == MSG_ALL_BUT_SELF + && i == smp_processor_id()) + continue; + smp_xics_do_message(i, msg); + } + } +} + +static irqreturn_t xics_ipi_dispatch(int cpu) +{ + WARN_ON(cpu_is_offline(cpu)); + + while (xics_ipi_message[cpu].value) { + if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, + &xics_ipi_message[cpu].value)) { + mb(); + smp_message_recv(PPC_MSG_CALL_FUNCTION); + } + if (test_and_clear_bit(PPC_MSG_RESCHEDULE, + &xics_ipi_message[cpu].value)) { + mb(); + smp_message_recv(PPC_MSG_RESCHEDULE); + } + if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, + &xics_ipi_message[cpu].value)) { + mb(); + smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); + } +#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) + if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, + &xics_ipi_message[cpu].value)) { + mb(); + smp_message_recv(PPC_MSG_DEBUGGER_BREAK); + } +#endif + } + return IRQ_HANDLED; +} + +static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id) +{ + int cpu = smp_processor_id(); + + direct_qirr_info(cpu, 0xff); + + return xics_ipi_dispatch(cpu); +} + +static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id) +{ + int cpu = smp_processor_id(); + + lpar_qirr_info(cpu, 0xff); + + return xics_ipi_dispatch(cpu); +} + +static void xics_request_ipi(void) +{ + unsigned int ipi; + int rc; + + ipi = irq_create_mapping(xics_host, XICS_IPI); + BUG_ON(ipi == NO_IRQ); + + /* + * IPIs are marked IRQF_DISABLED as they must run with irqs + * disabled + */ + set_irq_handler(ipi, handle_percpu_irq); + if (firmware_has_feature(FW_FEATURE_LPAR)) + rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED, + "IPI", NULL); + else + rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED, + "IPI", NULL); + BUG_ON(rc); +} + +int __init smp_xics_probe(void) +{ + xics_request_ipi(); + + return cpus_weight(cpu_possible_map); +} + +#endif /* CONFIG_SMP */ + + +/* Initialization */ + +static void xics_update_irq_servers(void) +{ + int i, j; + struct device_node *np; + u32 ilen; + const u32 *ireg, *isize; + u32 hcpuid; + + /* Find the server numbers for the boot cpu. */ + np = of_get_cpu_node(boot_cpuid, NULL); + BUG_ON(!np); + + ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen); + if (!ireg) { + of_node_put(np); + return; + } + + i = ilen / sizeof(int); + hcpuid = get_hard_smp_processor_id(boot_cpuid); + + /* Global interrupt distribution server is specified in the last + * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last + * entry fom this property for current boot cpu id and use it as + * default distribution server + */ + for (j = 0; j < i; j += 2) { + if (ireg[j] == hcpuid) { + default_server = hcpuid; + default_distrib_server = ireg[j+1]; + + isize = of_get_property(np, + "ibm,interrupt-server#-size", NULL); + if (isize) + interrupt_server_size = *isize; + } + } + + of_node_put(np); +} + static void __init xics_map_one_cpu(int hw_id, unsigned long addr, unsigned long size) { @@ -716,39 +724,33 @@ void __init xics_init_IRQ(void) ppc64_boot_msg(0x21, "XICS Done"); } +/* Cpu startup, shutdown, and hotplug */ -#ifdef CONFIG_SMP -static void xics_request_ipi(void) +static void xics_set_cpu_priority(unsigned char cppr) { - unsigned int ipi; - int rc; - - ipi = irq_create_mapping(xics_host, XICS_IPI); - BUG_ON(ipi == NO_IRQ); - - /* - * IPIs are marked IRQF_DISABLED as they must run with irqs - * disabled - */ - set_irq_handler(ipi, handle_percpu_irq); if (firmware_has_feature(FW_FEATURE_LPAR)) - rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED, - "IPI", NULL); + lpar_cppr_info(cppr); else - rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED, - "IPI", NULL); - BUG_ON(rc); + direct_cppr_info(cppr); + iosync(); } -int __init smp_xics_probe(void) + +void xics_setup_cpu(void) { - xics_request_ipi(); + xics_set_cpu_priority(0xff); - return cpus_weight(cpu_possible_map); + /* + * Put the calling processor into the GIQ. This is really only + * necessary from a secondary thread as the OF start-cpu interface + * performs this function for us on primary threads. + * + * XXX: undo of teardown on kexec needs this too, as may hotplug + */ + rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, + (1UL << interrupt_server_size) - 1 - default_distrib_server, 1); } -#endif /* CONFIG_SMP */ - void xics_teardown_cpu(void) { int cpu = smp_processor_id(); -- GitLab From 9dc2d44113d1521d8ead8e89e0772c0957b093c2 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:32 +0000 Subject: [PATCH 4106/6244] powerpc/xics: Change *_xirr_info_set() prototype to avoid casts The xirr is 32 bits in hardware, but the hypervisor requries the upper bits of the register to be clear on the hcall. By changing the type from signed to unsigned int we can drop masking it back to 32 bits. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index c98e3a128468..98e737204333 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -87,7 +87,7 @@ static inline unsigned int direct_xirr_info_get(void) return in_be32(&xics_per_cpu[cpu]->xirr.word); } -static inline void direct_xirr_info_set(int value) +static inline void direct_xirr_info_set(unsigned int value) { int cpu = smp_processor_id(); @@ -120,15 +120,14 @@ static inline unsigned int lpar_xirr_info_get(void) return (unsigned int)return_value; } -static inline void lpar_xirr_info_set(int value) +static inline void lpar_xirr_info_set(unsigned int value) { unsigned long lpar_rc; - unsigned long val64 = value & 0xffffffff; - lpar_rc = plpar_eoi(val64); + lpar_rc = plpar_eoi(value); if (lpar_rc != H_SUCCESS) - panic("bad return code EOI - rc = %ld, value=%lx\n", lpar_rc, - val64); + panic("bad return code EOI - rc = %ld, value=%x\n", lpar_rc, + value); } static inline void lpar_cppr_info(u8 value) -- GitLab From 188bdddd243e6872608099bd1142a03b70571132 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:33 +0000 Subject: [PATCH 4107/6244] powerpc/xics: Trim #include list Trim unneeded includes from xics.c. We don't use signals or gfp flags, we use only OF functions and don't need prom, and the 8259 is now handled by our caller. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 98e737204333..3501fa1fe8c3 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -15,21 +15,18 @@ #include #include #include -#include #include -#include #include #include +#include #include -#include #include #include #include #include #include #include -#include #include "xics.h" #include "plpar_wrappers.h" -- GitLab From a244a957ab15ddbeccf4018ef4b3ac8f5fd1566d Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:33 +0000 Subject: [PATCH 4108/6244] powerpc/xics: Initialization code cleanups We only need to check the ibm,interrupt-server#-size property once, not once per global server and thread. We can use !CONFIG_SMP cpu masks and hard_smp_processor_id() to avoid an ifdef. Put the node when breaking out of the loop on lpar systems. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 3501fa1fe8c3..27327fc86055 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -606,21 +606,20 @@ static void xics_update_irq_servers(void) if (ireg[j] == hcpuid) { default_server = hcpuid; default_distrib_server = ireg[j+1]; - - isize = of_get_property(np, - "ibm,interrupt-server#-size", NULL); - if (isize) - interrupt_server_size = *isize; } } + /* get the bit size of server numbers */ + isize = of_get_property(np, "ibm,interrupt-server#-size", NULL); + if (isize) + interrupt_server_size = *isize; + of_node_put(np); } static void __init xics_map_one_cpu(int hw_id, unsigned long addr, unsigned long size) { -#ifdef CONFIG_SMP int i; /* This may look gross but it's good enough for now, we don't quite @@ -634,11 +633,6 @@ static void __init xics_map_one_cpu(int hw_id, unsigned long addr, return; } } -#else - if (hw_id != 0) - return; - xics_per_cpu[0] = ioremap(addr, size); -#endif /* CONFIG_SMP */ } static void __init xics_init_one_node(struct device_node *np, @@ -700,8 +694,10 @@ void __init xics_init_IRQ(void) for_each_node_by_type(np, "PowerPC-External-Interrupt-Presentation") { found = 1; - if (firmware_has_feature(FW_FEATURE_LPAR)) + if (firmware_has_feature(FW_FEATURE_LPAR)) { + of_node_put(np); break; + } xics_init_one_node(np, &indx); } if (found == 0) -- GitLab From b4963255ad5a426f04a0bb15c4315fa4bb40cde9 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:34 +0000 Subject: [PATCH 4109/6244] powerpc/xics: Factor out cpu joining/unjoining the GIQ This factors out processors joining and unjoining the Global Interrupt Queue into a separate function. There is a bit of math to calculate the arguments to rtas to join or leave the global interrupt queue, and a warning on failure afterwards. Make a helper for the 3 callers. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 33 +++++++++++---------------- 1 file changed, 13 insertions(+), 20 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 27327fc86055..0bb553331f4f 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -727,20 +727,19 @@ static void xics_set_cpu_priority(unsigned char cppr) iosync(); } +/* Have the calling processor join or leave the specified global queue */ +static void xics_set_cpu_giq(unsigned int gserver, unsigned int join) +{ + int status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, + (1UL << interrupt_server_size) - 1 - gserver, join); + WARN_ON(status < 0); +} void xics_setup_cpu(void) { xics_set_cpu_priority(0xff); - /* - * Put the calling processor into the GIQ. This is really only - * necessary from a secondary thread as the OF start-cpu interface - * performs this function for us on primary threads. - * - * XXX: undo of teardown on kexec needs this too, as may hotplug - */ - rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, - (1UL << interrupt_server_size) - 1 - default_distrib_server, 1); + xics_set_cpu_giq(default_distrib_server, 1); } void xics_teardown_cpu(void) @@ -749,9 +748,7 @@ void xics_teardown_cpu(void) xics_set_cpu_priority(0); - /* - * Clear IPI - */ + /* Clear any pending IPI request */ if (firmware_has_feature(FW_FEATURE_LPAR)) lpar_qirr_info(cpu, 0xff); else @@ -785,9 +782,7 @@ void xics_kexec_teardown_cpu(int secondary) * so leave the master cpu in the group. */ if (secondary) - rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, - (1UL << interrupt_server_size) - 1 - - default_distrib_server, 0); + xics_set_cpu_giq(default_distrib_server, 0); } #ifdef CONFIG_HOTPLUG_CPU @@ -795,7 +790,6 @@ void xics_kexec_teardown_cpu(int secondary) /* Interrupts are disabled. */ void xics_migrate_irqs_away(void) { - int status; int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id(); unsigned int irq, virq; @@ -806,10 +800,8 @@ void xics_migrate_irqs_away(void) /* Reject any interrupt that was queued to us... */ xics_set_cpu_priority(0); - /* remove ourselves from the global interrupt queue */ - status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, - (1UL << interrupt_server_size) - 1 - default_distrib_server, 0); - WARN_ON(status < 0); + /* Remove ourselves from the global interrupt queue */ + xics_set_cpu_giq(default_distrib_server, 0); /* Allow IPIs again... */ xics_set_cpu_priority(DEFAULT_PRIORITY); @@ -817,6 +809,7 @@ void xics_migrate_irqs_away(void) for_each_irq(virq) { struct irq_desc *desc; int xics_status[2]; + int status; unsigned long flags; /* We cant set affinity on ISA interrupts */ -- GitLab From 1a57c926b6da56b4f904a0d8117ac362724f8c66 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:35 +0000 Subject: [PATCH 4110/6244] powerpc/xics: EOI xics ipi by hand in kexec EOI normally has the side effect of returning the cpu to the base priority to recieve the next interrupt. This is actually controlled by the top byte of the xirr register. When we are exiting the kernel in kexec we must eoi the ipi for the next kernel because we never return from the handler, but we want to leave interrupt delivery blocked until the next kernel takes action. Since the hardware ipi vector is fixed, its easiest to just do the eoi explicitly. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 0bb553331f4f..165234d25991 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -757,25 +757,21 @@ void xics_teardown_cpu(void) void xics_kexec_teardown_cpu(int secondary) { - unsigned int ipi; - struct irq_desc *desc; - xics_teardown_cpu(); /* - * we need to EOI the IPI + * we take the ipi irq but and never return so we + * need to EOI the IPI, but want to leave our priority 0 * - * probably need to check all the other interrupts too + * should we check all the other interrupts too? * should we be flagging idle loop instead? * or creating some task to be scheduled? */ - ipi = irq_find_mapping(xics_host, XICS_IPI); - if (ipi == XICS_IRQ_SPURIOUS) - return; - desc = get_irq_desc(ipi); - if (desc->chip && desc->chip->eoi) - desc->chip->eoi(ipi); + if (firmware_has_feature(FW_FEATURE_LPAR)) + lpar_xirr_info_set((0x00 << 24) | XICS_IPI); + else + direct_xirr_info_set((0x00 << 24) | XICS_IPI); /* * Some machines need to have at least one cpu in the GIQ, -- GitLab From d879f3849c93743e170a8dc60a8dfb66150c420d Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:39 +0000 Subject: [PATCH 4111/6244] powerpc/xics: Mark xics IPI interrupt as per-cpu It is physically per-cpu, and we want the irq layer to treat it that way. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 165234d25991..5ba3e0092960 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -556,11 +556,11 @@ static void xics_request_ipi(void) */ set_irq_handler(ipi, handle_percpu_irq); if (firmware_has_feature(FW_FEATURE_LPAR)) - rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED, - "IPI", NULL); + rc = request_irq(ipi, xics_ipi_action_lpar, + IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL); else - rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED, - "IPI", NULL); + rc = request_irq(ipi, xics_ipi_action_direct, + IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL); BUG_ON(rc); } -- GitLab From 2172fe8704a1df7cbb988ae1ec4edbfef3e28860 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:39 +0000 Subject: [PATCH 4112/6244] powerpc/xics: Make printk format strings fit on one line Several printks were broken at word boundaries for line length. Some even referred to old function names. Using __func__ and changing the text slightly for the format allows these printk formats to fit on one line. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 36 +++++++++++++-------------- 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 5ba3e0092960..62b0400577de 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -201,17 +201,17 @@ static void xics_unmask_irq(unsigned int virq) call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, DEFAULT_PRIORITY); if (call_status != 0) { - printk(KERN_ERR "xics_enable_irq: irq=%u: ibm_set_xive " - "returned %d\n", irq, call_status); - printk("set_xive %x, server %x\n", ibm_set_xive, server); + printk(KERN_ERR + "%s: ibm_set_xive irq %u server %x returned %d\n", + __func__, irq, server, call_status); return; } /* Now unmask the interrupt (often a no-op) */ call_status = rtas_call(ibm_int_on, 1, 1, NULL, irq); if (call_status != 0) { - printk(KERN_ERR "xics_enable_irq: irq=%u: ibm_int_on " - "returned %d\n", irq, call_status); + printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n", + __func__, irq, call_status); return; } } @@ -232,8 +232,8 @@ static void xics_mask_real_irq(unsigned int irq) call_status = rtas_call(ibm_int_off, 1, 1, NULL, irq); if (call_status != 0) { - printk(KERN_ERR "xics_disable_real_irq: irq=%u: " - "ibm_int_off returned %d\n", irq, call_status); + printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n", + __func__, irq, call_status); return; } @@ -241,8 +241,8 @@ static void xics_mask_real_irq(unsigned int irq) call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, default_server, 0xff); if (call_status != 0) { - printk(KERN_ERR "xics_disable_irq: irq=%u: ibm_set_xive(0xff)" - " returned %d\n", irq, call_status); + printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n", + __func__, irq, call_status); return; } } @@ -346,8 +346,8 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); if (status) { - printk(KERN_ERR "xics_set_affinity: irq=%u ibm,get-xive " - "returns %d\n", irq, status); + printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", + __func__, irq, status); return; } @@ -359,8 +359,9 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) if (irq_server == -1) { char cpulist[128]; cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask); - printk(KERN_WARNING "xics_set_affinity: No online cpus in " - "the mask %s for irq %d\n", cpulist, virq); + printk(KERN_WARNING + "%s: No online cpus in the mask %s for irq %d\n", + __func__, cpulist, virq); return; } @@ -368,8 +369,8 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) irq, irq_server, xics_status[1]); if (status) { - printk(KERN_ERR "xics_set_affinity: irq=%u ibm,set-xive " - "returns %d\n", irq, status); + printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n", + __func__, irq, status); return; } } @@ -829,9 +830,8 @@ void xics_migrate_irqs_away(void) status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); if (status) { - printk(KERN_ERR "migrate_irqs_away: irq=%u " - "ibm,get-xive returns %d\n", - virq, status); + printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", + __func__, irq, status); goto unlock; } -- GitLab From 199f45c45e8d4f58a5f568464be933534460eb82 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:44 +0000 Subject: [PATCH 4113/6244] powerpc/xics: Reduce and comment xics IPI use of memory barriers A single full sync (mb()) is requrired to order the mmio to the qirr reg with the set or clear of the message word. However, test_and_clear_bit has the effect of smp_mb() and we are not doing any other io from here, so we don't need a mb per bit processed. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/pseries/xics.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 62b0400577de..e1904774a70f 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -498,26 +498,23 @@ static irqreturn_t xics_ipi_dispatch(int cpu) { WARN_ON(cpu_is_offline(cpu)); + mb(); /* order mmio clearing qirr */ while (xics_ipi_message[cpu].value) { if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_CALL_FUNCTION); } if (test_and_clear_bit(PPC_MSG_RESCHEDULE, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_RESCHEDULE); } if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE); } #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC) if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK, &xics_ipi_message[cpu].value)) { - mb(); smp_message_recv(PPC_MSG_DEBUGGER_BREAK); } #endif -- GitLab From 22d660ffd0db8d136b122751287d186e869ca474 Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 01:56:45 +0000 Subject: [PATCH 4114/6244] powerpc/smp: No need to set_need_resched when getting a resched IPI The comment in the code was asking "Do we have to do this?", and according to x86 and s390 the answer is no, the scheduler will do it before calling the arch hook. Signed-off-by: Milton Miller Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/smp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 5337ca7bb649..3ee736fa8b1d 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -101,8 +101,7 @@ void smp_message_recv(int msg) generic_smp_call_function_interrupt(); break; case PPC_MSG_RESCHEDULE: - /* XXX Do we have to do this? */ - set_need_resched(); + /* we notice need_resched on exit */ break; case PPC_MSG_CALL_FUNC_SINGLE: generic_smp_call_function_single_interrupt(); -- GitLab From bf94e17bc8d35fc339945a42990a2f2b5e9b5a40 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 12 Oct 2008 23:51:38 -0700 Subject: [PATCH 4115/6244] net/mac80211/rx.c: fix build error older versions of gcc do not recognize that ieee80211_rx_h_mesh_fwding() is unused when CONFIG_MAC80211_MESH is disabled: net/built-in.o: In function `ieee80211_rx_h_mesh_fwding': rx.c:(.text+0xd89af): undefined reference to `mpp_path_lookup' rx.c:(.text+0xd89c6): undefined reference to `mpp_path_add' as this code construct: if (ieee80211_vif_is_mesh(&sdata->vif)) CALL_RXH(ieee80211_rx_h_mesh_fwding); still causes ieee80211_rx_h_mesh_fwding() to be linked in. Protect these places with an #ifdef. commit b0dee578 ("Fix modpost failure when rx handlers are not inlined.") solved part of this problem - this patch is still needed. Signed-off-by: Ingo Molnar Signed-off-by: David S. Miller --- net/mac80211/rx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 77e7b014872b..cf6b121e1bbf 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1379,6 +1379,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) return RX_QUEUED; } +#ifdef CONFIG_MAC80211_MESH static ieee80211_rx_result ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) { @@ -1453,7 +1454,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) else return RX_DROP_MONITOR; } - +#endif static ieee80211_rx_result debug_noinline ieee80211_rx_h_data(struct ieee80211_rx_data *rx) @@ -1780,8 +1781,10 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata, /* must be after MMIC verify so header is counted in MPDU mic */ CALL_RXH(ieee80211_rx_h_remove_qos_control) CALL_RXH(ieee80211_rx_h_amsdu) +#ifdef CONFIG_MAC80211_MESH if (ieee80211_vif_is_mesh(&sdata->vif)) CALL_RXH(ieee80211_rx_h_mesh_fwding); +#endif CALL_RXH(ieee80211_rx_h_data) CALL_RXH(ieee80211_rx_h_ctrl) CALL_RXH(ieee80211_rx_h_action) -- GitLab From 4245e59d1239a5270670807b114856365a863df8 Mon Sep 17 00:00:00 2001 From: Robert Reif Date: Sun, 12 Oct 2008 20:52:26 -0700 Subject: [PATCH 4116/6244] sparc32: fix build errors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit arch/sparc/kernel/sun4d_smp.c: In function ‘smp4d_callin’: arch/sparc/kernel/sun4d_smp.c:101: error: implicit declaration of function ‘notify_cpu_starting’ arch/sparc/kernel/sun4m_smp.c: In function ‘smp4m_callin’: arch/sparc/kernel/sun4m_smp.c:74: error: implicit declaration of function ‘notify_cpu_starting’ Signed-off-by: Robert Reif Signed-off-by: David S. Miller --- arch/sparc/kernel/sun4d_smp.c | 1 + arch/sparc/kernel/sun4m_smp.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index ce3d45db94e9..7a6a5e795928 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 0c564ba9e709..5fc386d08c47 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include -- GitLab From 82960b8543cca5797a5e2841a9c43b8c5c669e65 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 12 Oct 2008 20:55:24 -0700 Subject: [PATCH 4117/6244] sparc64: Add missing notify_cpu_starting() call. Commit e545a6140b698b2494daf0b32107bdcc5e901390 ("kernel/cpu.c: create a CPU_STARTING cpu_chain notifier") added a notify_cpu_starting() notifier event, and hit every arch except sparc64. Fix that missed case. Signed-off-by: David S. Miller --- arch/sparc64/kernel/smp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 2be166c544ca..e5627118e613 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -115,6 +116,9 @@ void __cpuinit smp_callin(void) atomic_inc(&init_mm.mm_count); current->active_mm = &init_mm; + /* inform the notifiers about the new cpu */ + notify_cpu_starting(cpuid); + while (!cpu_isset(cpuid, smp_commenced_mask)) rmb(); -- GitLab From 615c9136b385d5225d3ece20aa30b28a90c438d6 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 12 Oct 2008 23:56:12 -0700 Subject: [PATCH 4118/6244] chmc: Mark %ver register inline asm with __volatile__ Otherwise GCC can try to do the register read before the guarding test on us3mc_platform() being true. If that happens we can take an exception, because %ver register reads are not allowed in privileged more on hypervisor platforms. Signed-off-by: David S. Miller --- arch/sparc64/kernel/chmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c index 967b04886822..3b9f4d6e14a9 100644 --- a/arch/sparc64/kernel/chmc.c +++ b/arch/sparc64/kernel/chmc.c @@ -831,7 +831,7 @@ static int __init us3mc_init(void) if (!us3mc_platform()) return -ENODEV; - __asm__ ("rdpr %%ver, %0" : "=r" (ver)); + __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver)); if ((ver >> 32UL) == __JALAPENO_ID || (ver >> 32UL) == __SERRANO_ID) { mc_type = MC_TYPE_JBUS; -- GitLab From 9f8305fe164077bcef42034c56275c8208042e88 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 29 Aug 2008 13:14:30 +0100 Subject: [PATCH 4119/6244] x86-64: reduce boot fixmap space Just like for 32-bit - as 256 entries are needed, aligning to a 256-entry boundary is sufficient and still guarantees the single pte table requirement. Likewise move up __end_of_permanent_fixed_addresses, to match 32-bit. Signed-off-by: Jan Beulich Signed-off-by: Ingo Molnar --- include/asm-x86/fixmap_64.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/asm-x86/fixmap_64.h b/include/asm-x86/fixmap_64.h index dafb24bc0424..33df64fd0e18 100644 --- a/include/asm-x86/fixmap_64.h +++ b/include/asm-x86/fixmap_64.h @@ -49,6 +49,7 @@ enum fixed_addresses { #ifdef CONFIG_PARAVIRT FIX_PARAVIRT_BOOTMAP, #endif + __end_of_permanent_fixed_addresses, #ifdef CONFIG_ACPI FIX_ACPI_BEGIN, FIX_ACPI_END = FIX_ACPI_BEGIN + FIX_ACPI_PAGES - 1, @@ -56,18 +57,17 @@ enum fixed_addresses { #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT FIX_OHCI1394_BASE, #endif - __end_of_permanent_fixed_addresses, /* * 256 temporary boot-time mappings, used by early_ioremap(), * before ioremap() is functional. * - * We round it up to the next 512 pages boundary so that we + * We round it up to the next 256 pages boundary so that we * can have a single pgd entry and a single pte table: */ #define NR_FIX_BTMAPS 64 #define FIX_BTMAPS_NESTING 4 - FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 512 - - (__end_of_permanent_fixed_addresses & 511), + FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - + (__end_of_permanent_fixed_addresses & 255), FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1, __end_of_fixed_addresses }; -- GitLab From 295286a89107c353b9677bc604361c537fd6a1c0 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 29 Aug 2008 13:21:11 +0100 Subject: [PATCH 4120/6244] x86-64: slightly stream-line 32-bit syscall entry code Avoid updating registers or memory twice as well as needlessly loading or copying registers. Signed-off-by: Jan Beulich Signed-off-by: Ingo Molnar --- arch/x86/ia32/ia32entry.S | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index ffc1bb4fed7d..eb4314768bf7 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -39,11 +39,11 @@ .endm /* clobbers %eax */ - .macro CLEAR_RREGS + .macro CLEAR_RREGS _r9=rax xorl %eax,%eax movq %rax,R11(%rsp) movq %rax,R10(%rsp) - movq %rax,R9(%rsp) + movq %\_r9,R9(%rsp) movq %rax,R8(%rsp) .endm @@ -52,11 +52,10 @@ * We don't reload %eax because syscall_trace_enter() returned * the value it wants us to use in the table lookup. */ - .macro LOAD_ARGS32 offset - movl \offset(%rsp),%r11d - movl \offset+8(%rsp),%r10d + .macro LOAD_ARGS32 offset, _r9=0 + .if \_r9 movl \offset+16(%rsp),%r9d - movl \offset+24(%rsp),%r8d + .endif movl \offset+40(%rsp),%ecx movl \offset+48(%rsp),%edx movl \offset+56(%rsp),%esi @@ -145,7 +144,7 @@ ENTRY(ia32_sysenter_target) SAVE_ARGS 0,0,1 /* no need to do an access_ok check here because rbp has been 32bit zero extended */ -1: movl (%rbp),%r9d +1: movl (%rbp),%ebp .section __ex_table,"a" .quad 1b,ia32_badarg .previous @@ -157,7 +156,7 @@ ENTRY(ia32_sysenter_target) cmpl $(IA32_NR_syscalls-1),%eax ja ia32_badsys sysenter_do_call: - IA32_ARG_FIXUP 1 + IA32_ARG_FIXUP sysenter_dispatch: call *ia32_sys_call_table(,%rax,8) movq %rax,RAX-ARGOFFSET(%rsp) @@ -234,20 +233,17 @@ sysexit_audit: #endif sysenter_tracesys: - xchgl %r9d,%ebp #ifdef CONFIG_AUDITSYSCALL testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10) jz sysenter_auditsys #endif SAVE_REST CLEAR_RREGS - movq %r9,R9(%rsp) movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */ movq %rsp,%rdi /* &pt_regs -> arg1 */ call syscall_trace_enter LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */ RESTORE_REST - xchgl %ebp,%r9d cmpl $(IA32_NR_syscalls-1),%eax ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */ jmp sysenter_do_call @@ -314,9 +310,9 @@ ENTRY(ia32_cstar_target) testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10) CFI_REMEMBER_STATE jnz cstar_tracesys -cstar_do_call: cmpl $IA32_NR_syscalls-1,%eax ja ia32_badsys +cstar_do_call: IA32_ARG_FIXUP 1 cstar_dispatch: call *ia32_sys_call_table(,%rax,8) @@ -357,15 +353,13 @@ cstar_tracesys: #endif xchgl %r9d,%ebp SAVE_REST - CLEAR_RREGS - movq %r9,R9(%rsp) + CLEAR_RREGS r9 movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */ movq %rsp,%rdi /* &pt_regs -> arg1 */ call syscall_trace_enter - LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */ + LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */ RESTORE_REST xchgl %ebp,%r9d - movl RSP-ARGOFFSET(%rsp), %r8d cmpl $(IA32_NR_syscalls-1),%eax ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */ jmp cstar_do_call -- GitLab From 0cefa5b9b0a61b62442c5d0ca00a304c5896b6e9 Mon Sep 17 00:00:00 2001 From: Manfred Spraul Date: Sun, 7 Sep 2008 11:29:58 +0200 Subject: [PATCH 4121/6244] arch/x86/kernel/smpboot.c: Clarify when irq processing begins. Secondary cpus start with local interrupts disabled. start_secondary() first initializes the new cpu, then it enables the local interrupts. (although interrupts are enabled within smp_callin() as well). Right now, the local interrupts are enabled as a side effect of calling ipi_call_lock_irq(). The attached patch clarifies when local interrupts are enabled. Signed-off-by: Manfred Spraul Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 76b6f50978f7..b700c9a10644 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -334,14 +334,17 @@ static void __cpuinit start_secondary(void *unused) * does not change while we are assigning vectors to cpus. Holding * this lock ensures we don't half assign or remove an irq from a cpu. */ - ipi_call_lock_irq(); + ipi_call_lock(); lock_vector_lock(); __setup_vector_irq(smp_processor_id()); cpu_set(smp_processor_id(), cpu_online_map); unlock_vector_lock(); - ipi_call_unlock_irq(); + ipi_call_unlock(); per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE; + /* enable local interrupts */ + local_irq_enable(); + setup_secondary_clock(); wmb(); -- GitLab From 927604c7592473742891dc13e1da09febc06e01b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 9 Sep 2008 23:34:17 -0700 Subject: [PATCH 4122/6244] x86: rename discontig_32.c to numa_32.c name it in line with its purpose. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mm/Makefile | 6 +----- arch/x86/mm/{discontig_32.c => numa_32.c} | 0 2 files changed, 1 insertion(+), 5 deletions(-) rename arch/x86/mm/{discontig_32.c => numa_32.c} (100%) diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile index dfb932dcf136..59f89b434b45 100644 --- a/arch/x86/mm/Makefile +++ b/arch/x86/mm/Makefile @@ -13,12 +13,8 @@ obj-$(CONFIG_MMIOTRACE) += mmiotrace.o mmiotrace-y := pf_in.o mmio-mod.o obj-$(CONFIG_MMIOTRACE_TEST) += testmmiotrace.o -ifeq ($(CONFIG_X86_32),y) -obj-$(CONFIG_NUMA) += discontig_32.o -else -obj-$(CONFIG_NUMA) += numa_64.o +obj-$(CONFIG_NUMA) += numa_$(BITS).o obj-$(CONFIG_K8_NUMA) += k8topology_64.o -endif obj-$(CONFIG_ACPI_NUMA) += srat_$(BITS).o obj-$(CONFIG_MEMTEST) += memtest.o diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/numa_32.c similarity index 100% rename from arch/x86/mm/discontig_32.c rename to arch/x86/mm/numa_32.c -- GitLab From 762db4347060c5d23e9675846e02f7d95d7f944f Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:55:55 +0200 Subject: [PATCH 4123/6244] i386: remove kprobes' restore_interrupts in favour of conditional_sti x86_64 uses a helper function conditional_sti in traps_64.c which is equal to restore_interrupts in kprobes.h. The only user of restore_interrupts is in traps_32.c. Introduce conditional_sti for i386 and remove restore_interrupts. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 8 +++++++- include/asm-x86/kprobes.h | 9 --------- 2 files changed, 7 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 0429c5de5ea9..203b863ac2a8 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -84,6 +84,12 @@ static unsigned int code_bytes = 64; static int ignore_nmis; static int die_counter; +static inline void conditional_sti(struct pt_regs *regs) +{ + if (regs->flags & X86_EFLAGS_IF) + local_irq_enable(); +} + void printk_address(unsigned long address, int reliable) { #ifdef CONFIG_KALLSYMS @@ -859,7 +865,7 @@ void __kprobes do_int3(struct pt_regs *regs, long error_code) * This is an interrupt gate, because kprobes wants interrupts * disabled. Normal trap handlers don't. */ - restore_interrupts(regs); + conditional_sti(regs); do_trap(3, SIGTRAP, "int3", 1, regs, error_code, NULL); } diff --git a/include/asm-x86/kprobes.h b/include/asm-x86/kprobes.h index bd8407863c13..8a0748d01036 100644 --- a/include/asm-x86/kprobes.h +++ b/include/asm-x86/kprobes.h @@ -82,15 +82,6 @@ struct kprobe_ctlblk { struct prev_kprobe prev_kprobe; }; -/* trap3/1 are intr gates for kprobes. So, restore the status of IF, - * if necessary, before executing the original int3/1 (trap) handler. - */ -static inline void restore_interrupts(struct pt_regs *regs) -{ - if (regs->flags & X86_EFLAGS_IF) - local_irq_enable(); -} - extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); -- GitLab From 61aef7d24909b95f9eddaa78d78902fbea1d7059 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:55:56 +0200 Subject: [PATCH 4124/6244] i386: prepare to convert exceptions to interrupts There is some macro magic in traps_32.c to construct standard exception dispatch functions. This patch renames the DO_ERROR- like macros to DO_TRAP, and introduces new DO_ERROR ones that conditionally reenable interrupts explicitly, like x86_64. No code changes. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 76 ++++++++++++++++++++++++++++++++------ 1 file changed, 65 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 203b863ac2a8..fe6dd972068d 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -528,6 +528,56 @@ vm86_trap: return; } +#define DO_TRAP(trapnr, signr, str, name) \ +void do_##name(struct pt_regs *regs, long error_code) \ +{ \ + trace_hardirqs_fixup(); \ + if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ + == NOTIFY_STOP) \ + return; \ + do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \ +} + +#define DO_TRAP_INFO(trapnr, signr, str, name, sicode, siaddr, irq) \ +void do_##name(struct pt_regs *regs, long error_code) \ +{ \ + siginfo_t info; \ + if (irq) \ + local_irq_enable(); \ + info.si_signo = signr; \ + info.si_errno = 0; \ + info.si_code = sicode; \ + info.si_addr = (void __user *)siaddr; \ + if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ + == NOTIFY_STOP) \ + return; \ + do_trap(trapnr, signr, str, 0, regs, error_code, &info); \ +} + +#define DO_VM86_TRAP(trapnr, signr, str, name) \ +void do_##name(struct pt_regs *regs, long error_code) \ +{ \ + if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ + == NOTIFY_STOP) \ + return; \ + do_trap(trapnr, signr, str, 1, regs, error_code, NULL); \ +} + +#define DO_VM86_TRAP_INFO(trapnr, signr, str, name, sicode, siaddr) \ +void do_##name(struct pt_regs *regs, long error_code) \ +{ \ + siginfo_t info; \ + info.si_signo = signr; \ + info.si_errno = 0; \ + info.si_code = sicode; \ + info.si_addr = (void __user *)siaddr; \ + trace_hardirqs_fixup(); \ + if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ + == NOTIFY_STOP) \ + return; \ + do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ +} + #define DO_ERROR(trapnr, signr, str, name) \ void do_##name(struct pt_regs *regs, long error_code) \ { \ @@ -535,6 +585,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \ } @@ -551,6 +602,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, 0, regs, error_code, &info); \ } @@ -560,6 +612,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, 1, regs, error_code, NULL); \ } @@ -575,22 +628,23 @@ void do_##name(struct pt_regs *regs, long error_code) \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ + conditional_sti(regs); \ do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ } -DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) +DO_VM86_TRAP_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) #ifndef CONFIG_KPROBES -DO_VM86_ERROR(3, SIGTRAP, "int3", int3) +DO_VM86_TRAP(3, SIGTRAP, "int3", int3) #endif -DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) -DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) -DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) -DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) -DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) -DO_ERROR(12, SIGBUS, "stack segment", stack_segment) -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) -DO_ERROR_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) +DO_VM86_TRAP(4, SIGSEGV, "overflow", overflow) +DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds) +DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) +DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) +DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) +DO_TRAP(11, SIGBUS, "segment not present", segment_not_present) +DO_TRAP(12, SIGBUS, "stack segment", stack_segment) +DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) +DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) void __kprobes do_general_protection(struct pt_regs *regs, long error_code) -- GitLab From 976382dcbe3a2233f48cda5b0840874f43a30825 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:55:57 +0200 Subject: [PATCH 4125/6244] i386: convert hardware exception 0 to an interrupt gate Handle divide error exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index fe6dd972068d..c18824b9d1ab 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -632,7 +632,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ } -DO_VM86_TRAP_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) +DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) #ifndef CONFIG_KPROBES DO_VM86_TRAP(3, SIGTRAP, "int3", int3) #endif @@ -1247,7 +1247,7 @@ void __init trap_init(void) early_iounmap(p, 4); #endif - set_trap_gate(0, ÷_error); + set_intr_gate(0, ÷_error); set_intr_gate(1, &debug); set_intr_gate(2, &nmi); set_system_intr_gate(3, &int3); /* int3 can be called from all */ -- GitLab From b94da1e4b7d396abe10ce4d566f1a5f623602c21 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:55:58 +0200 Subject: [PATCH 4126/6244] i386: expand exception 3 DO_TRAP macro The int3 exception was already takes as an interrupt and do_int3 does not fit in the new DO_ERROR macro. This patch just expands the DO_TRAP macro and rearranges the code a bit. No functional changes intended. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index c18824b9d1ab..e3c4809f414a 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -633,9 +633,6 @@ void do_##name(struct pt_regs *regs, long error_code) \ } DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) -#ifndef CONFIG_KPROBES -DO_VM86_TRAP(3, SIGTRAP, "int3", int3) -#endif DO_VM86_TRAP(4, SIGSEGV, "overflow", overflow) DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds) DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) @@ -907,9 +904,9 @@ void restart_nmi(void) acpi_nmi_enable(); } -#ifdef CONFIG_KPROBES void __kprobes do_int3(struct pt_regs *regs, long error_code) { +#ifdef CONFIG_KPROBES trace_hardirqs_fixup(); if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) @@ -920,10 +917,14 @@ void __kprobes do_int3(struct pt_regs *regs, long error_code) * disabled. Normal trap handlers don't. */ conditional_sti(regs); +#else + if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) + == NOTIFY_STOP) + return; +#endif do_trap(3, SIGTRAP, "int3", 1, regs, error_code, NULL); } -#endif /* * Our handling of the processor debug registers is non-trivial. -- GitLab From 8d6f9d69bdc1dcf75a3ba436c9b2efb20478619b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:55:59 +0200 Subject: [PATCH 4127/6244] i386: convert hardware exception 4 to an interrupt gate Handle overflow exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index e3c4809f414a..6f685e61325a 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -633,7 +633,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ } DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) -DO_VM86_TRAP(4, SIGSEGV, "overflow", overflow) +DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds) DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) @@ -1252,7 +1252,7 @@ void __init trap_init(void) set_intr_gate(1, &debug); set_intr_gate(2, &nmi); set_system_intr_gate(3, &int3); /* int3 can be called from all */ - set_system_gate(4, &overflow); /* int4 can be called from all */ + set_system_intr_gate(4, &overflow); /* int4 can be called from all */ set_trap_gate(5, &bounds); set_trap_gate(6, &invalid_op); set_trap_gate(7, &device_not_available); -- GitLab From 64f644c0b4b8b7818867fb27de077c98c4f0022b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:00 +0200 Subject: [PATCH 4128/6244] i386: convert hardware exception 5 to an interrupt gate Handle bounds exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 6f685e61325a..06149083763e 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -634,7 +634,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) -DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds) +DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) @@ -1253,7 +1253,7 @@ void __init trap_init(void) set_intr_gate(2, &nmi); set_system_intr_gate(3, &int3); /* int3 can be called from all */ set_system_intr_gate(4, &overflow); /* int4 can be called from all */ - set_trap_gate(5, &bounds); + set_intr_gate(5, &bounds); set_trap_gate(6, &invalid_op); set_trap_gate(7, &device_not_available); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); -- GitLab From 12394cf567d509f6ab5d94544e1f414b35286d9e Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:01 +0200 Subject: [PATCH 4129/6244] i386: convert hardware exception 6 to an interrupt gate Handle invalid opcode exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 06149083763e..39a6101a6123 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -635,7 +635,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) -DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) +DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_TRAP(11, SIGBUS, "segment not present", segment_not_present) @@ -1254,7 +1254,7 @@ void __init trap_init(void) set_system_intr_gate(3, &int3); /* int3 can be called from all */ set_system_intr_gate(4, &overflow); /* int4 can be called from all */ set_intr_gate(5, &bounds); - set_trap_gate(6, &invalid_op); + set_intr_gate(6, &invalid_op); set_trap_gate(7, &device_not_available); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); set_trap_gate(9, &coprocessor_segment_overrun); -- GitLab From 7643e9b936b4af31ba4851eb7d5b3a3bfad52502 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:02 +0200 Subject: [PATCH 4130/6244] i386: convert hardware exception 7 to an interrupt gate Handle no coprocessor exception with interrupt initially off. device_not_available in entry_32.S calls either math_state_restore or math_emulate. This patch adds an extra indirection to be able to re-enable interrupts explicitly in traps_32.c Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 15 ++------------- arch/x86/kernel/traps_32.c | 14 +++++++++++++- 2 files changed, 15 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 109792bc7cfa..5a885855fc88 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -760,20 +760,9 @@ ENTRY(device_not_available) RING0_INT_FRAME pushl $-1 # mark this as an int CFI_ADJUST_CFA_OFFSET 4 - SAVE_ALL - GET_CR0_INTO_EAX - testl $0x4, %eax # EM (math emulation bit) - jne device_not_available_emulate - preempt_stop(CLBR_ANY) - call math_state_restore - jmp ret_from_exception -device_not_available_emulate: - pushl $0 # temporary storage for ORIG_EIP + pushl $do_device_not_available CFI_ADJUST_CFA_OFFSET 4 - call math_emulate - addl $4, %esp - CFI_ADJUST_CFA_OFFSET -4 - jmp ret_from_exception + jmp error_code CFI_ENDPROC END(device_not_available) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 39a6101a6123..5b15f75d0591 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -46,6 +46,7 @@ #include #endif +#include #include #include #include @@ -1236,6 +1237,17 @@ asmlinkage void math_emulate(long arg) #endif /* CONFIG_MATH_EMULATION */ +void __kprobes do_device_not_available(struct pt_regs *regs, long error) +{ + if (read_cr0() & X86_CR0_EM) { + conditional_sti(regs); + math_emulate(0); + } else { + math_state_restore(); /* interrupts still off */ + conditional_sti(regs); + } +} + void __init trap_init(void) { int i; @@ -1255,7 +1267,7 @@ void __init trap_init(void) set_system_intr_gate(4, &overflow); /* int4 can be called from all */ set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); - set_trap_gate(7, &device_not_available); + set_intr_gate(7, &device_not_available); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); set_trap_gate(9, &coprocessor_segment_overrun); set_trap_gate(10, &invalid_TSS); -- GitLab From 51bc1ed6060e96de5099f604071961540880efc2 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:03 +0200 Subject: [PATCH 4131/6244] i386: convert hardware exception 9 to an interrupt gate Handle coprocessor segment overrun exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 5b15f75d0591..d26f32308dbe 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -637,7 +637,7 @@ DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) -DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) +DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_TRAP(11, SIGBUS, "segment not present", segment_not_present) DO_TRAP(12, SIGBUS, "stack segment", stack_segment) @@ -1269,7 +1269,7 @@ void __init trap_init(void) set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); - set_trap_gate(9, &coprocessor_segment_overrun); + set_intr_gate(9, &coprocessor_segment_overrun); set_trap_gate(10, &invalid_TSS); set_trap_gate(11, &segment_not_present); set_trap_gate(12, &stack_segment); -- GitLab From 6bf77bf93938ae6baad9945a0ba57b3225e8e58b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:04 +0200 Subject: [PATCH 4132/6244] i386: convert hardware exception 10 to an interrupt gate Handle invalid TSS exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index d26f32308dbe..069075e19ea7 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -638,7 +638,7 @@ DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) -DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS) +DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_TRAP(11, SIGBUS, "segment not present", segment_not_present) DO_TRAP(12, SIGBUS, "stack segment", stack_segment) DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) @@ -1270,7 +1270,7 @@ void __init trap_init(void) set_intr_gate(7, &device_not_available); set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); set_intr_gate(9, &coprocessor_segment_overrun); - set_trap_gate(10, &invalid_TSS); + set_intr_gate(10, &invalid_TSS); set_trap_gate(11, &segment_not_present); set_trap_gate(12, &stack_segment); set_trap_gate(13, &general_protection); -- GitLab From 36d936c7988ac5caf575bc0e2dc618dbfebc6065 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:05 +0200 Subject: [PATCH 4133/6244] i386: convert hardware exception 11 to an interrupt gate Handle segment not present exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 069075e19ea7..6910bbe94f6c 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -639,7 +639,7 @@ DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) -DO_TRAP(11, SIGBUS, "segment not present", segment_not_present) +DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_TRAP(12, SIGBUS, "stack segment", stack_segment) DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) @@ -1271,7 +1271,7 @@ void __init trap_init(void) set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); set_intr_gate(9, &coprocessor_segment_overrun); set_intr_gate(10, &invalid_TSS); - set_trap_gate(11, &segment_not_present); + set_intr_gate(11, &segment_not_present); set_trap_gate(12, &stack_segment); set_trap_gate(13, &general_protection); set_intr_gate(14, &page_fault); -- GitLab From f5ca81878b42ae7d1b00d0ed5f62bb1a158bfac1 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:06 +0200 Subject: [PATCH 4134/6244] i386: convert hardware exception 12 to an interrupt gate Handle stack segment exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 6910bbe94f6c..16c056ba14ee 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -640,7 +640,7 @@ DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) -DO_TRAP(12, SIGBUS, "stack segment", stack_segment) +DO_ERROR(12, SIGBUS, "stack segment", stack_segment) DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) @@ -1272,7 +1272,7 @@ void __init trap_init(void) set_intr_gate(9, &coprocessor_segment_overrun); set_intr_gate(10, &invalid_TSS); set_intr_gate(11, &segment_not_present); - set_trap_gate(12, &stack_segment); + set_intr_gate(12, &stack_segment); set_trap_gate(13, &general_protection); set_intr_gate(14, &page_fault); set_trap_gate(15, &spurious_interrupt_bug); -- GitLab From c6df0d71bec391e78e0a38109d63154acd69a937 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:07 +0200 Subject: [PATCH 4135/6244] i386: convert hardware exception 13 to an interrupt gate Handle general protection exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 16c056ba14ee..e2598505ef5c 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -652,6 +652,8 @@ do_general_protection(struct pt_regs *regs, long error_code) struct tss_struct *tss; int cpu; + conditional_sti(regs); + cpu = get_cpu(); tss = &per_cpu(init_tss, cpu); thread = ¤t->thread; @@ -1273,7 +1275,7 @@ void __init trap_init(void) set_intr_gate(10, &invalid_TSS); set_intr_gate(11, &segment_not_present); set_intr_gate(12, &stack_segment); - set_trap_gate(13, &general_protection); + set_intr_gate(13, &general_protection); set_intr_gate(14, &page_fault); set_trap_gate(15, &spurious_interrupt_bug); set_trap_gate(16, &coprocessor_error); -- GitLab From cf81978d5fb32ab75f701690b372e1126b41861f Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:08 +0200 Subject: [PATCH 4136/6244] i386: convert hardware exception 15 to an interrupt gate Handle exception 15 with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index e2598505ef5c..0039856b6344 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1164,6 +1164,7 @@ void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { + conditional_sti(regs); #if 0 /* No need to warn about this any longer. */ printk(KERN_INFO "Ignoring P6 Local APIC Spurious Interrupt Bug...\n"); @@ -1277,7 +1278,7 @@ void __init trap_init(void) set_intr_gate(12, &stack_segment); set_intr_gate(13, &general_protection); set_intr_gate(14, &page_fault); - set_trap_gate(15, &spurious_interrupt_bug); + set_intr_gate(15, &spurious_interrupt_bug); set_trap_gate(16, &coprocessor_error); set_trap_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE -- GitLab From 252d28fe65adc2e51bc71358eae43ba94b74da91 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:09 +0200 Subject: [PATCH 4137/6244] i386: convert hardware exception 16 to an interrupt gate Handle coprocessor error exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 0039856b6344..5ab4c3fc7c1d 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1088,6 +1088,7 @@ void math_error(void __user *ip) void do_coprocessor_error(struct pt_regs *regs, long error_code) { + conditional_sti(regs); ignore_fpu_irq = 1; math_error((void __user *)regs->ip); } @@ -1279,7 +1280,7 @@ void __init trap_init(void) set_intr_gate(13, &general_protection); set_intr_gate(14, &page_fault); set_intr_gate(15, &spurious_interrupt_bug); - set_trap_gate(16, &coprocessor_error); + set_intr_gate(16, &coprocessor_error); set_trap_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE set_trap_gate(18, &machine_check); -- GitLab From 5feedfd401c91e41bbe31ddec93cbe809dc98309 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:10 +0200 Subject: [PATCH 4138/6244] i386: convert hardware exception 17 to an interrupt gate Handle alignment check exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 5ab4c3fc7c1d..86c808b4dafb 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -641,7 +641,7 @@ DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) -DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) +DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) void __kprobes @@ -1281,7 +1281,7 @@ void __init trap_init(void) set_intr_gate(14, &page_fault); set_intr_gate(15, &spurious_interrupt_bug); set_intr_gate(16, &coprocessor_error); - set_trap_gate(17, &alignment_check); + set_intr_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE set_trap_gate(18, &machine_check); #endif -- GitLab From eb642f62082348c33ead53f736a9698953aa517d Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:11 +0200 Subject: [PATCH 4139/6244] i386: convert hardware exception 18 to an interrupt gate Handle machine check exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 2 +- arch/x86/kernel/traps_32.c | 11 ++++++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 5a885855fc88..c5fe01bca6c0 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1019,7 +1019,7 @@ ENTRY(machine_check) RING0_INT_FRAME pushl $0 CFI_ADJUST_CFA_OFFSET 4 - pushl machine_check_vector + pushl $do_machine_check CFI_ADJUST_CFA_OFFSET 4 jmp error_code CFI_ENDPROC diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 86c808b4dafb..54b89f497bac 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -62,6 +62,7 @@ #include #include "mach_traps.h" +#include "cpu/mcheck/mce.h" DECLARE_BITMAP(used_vectors, NR_VECTORS); EXPORT_SYMBOL_GPL(used_vectors); @@ -1252,6 +1253,14 @@ void __kprobes do_device_not_available(struct pt_regs *regs, long error) } } +#ifdef CONFIG_X86_MCE +void __kprobes do_machine_check(struct pt_regs *regs, long error) +{ + conditional_sti(regs); + machine_check_vector(regs, error); +} +#endif + void __init trap_init(void) { int i; @@ -1283,7 +1292,7 @@ void __init trap_init(void) set_intr_gate(16, &coprocessor_error); set_intr_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE - set_trap_gate(18, &machine_check); + set_intr_gate(18, &machine_check); #endif set_trap_gate(19, &simd_coprocessor_error); -- GitLab From b939bde2788a7f16741e563ee90f6f3ad38935cf Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:12 +0200 Subject: [PATCH 4140/6244] i386: convert hardware exception 19 to an interrupt gate Handle SIMD coprocessor exception with interrupt initially off. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 54b89f497bac..1bd7960b1357 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1144,6 +1144,8 @@ static void simd_math_error(void __user *ip) void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { + conditional_sti(regs); + if (cpu_has_xmm) { /* Handle SIMD FPU exceptions on PIII+ processors. */ ignore_fpu_irq = 1; @@ -1294,7 +1296,7 @@ void __init trap_init(void) #ifdef CONFIG_X86_MCE set_intr_gate(18, &machine_check); #endif - set_trap_gate(19, &simd_coprocessor_error); + set_intr_gate(19, &simd_coprocessor_error); if (cpu_has_fxsr) { printk(KERN_INFO "Enabling fast FPU save and restore... "); -- GitLab From f8e0870f589cfa45575dc7333cdf1b8f769e7900 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:13 +0200 Subject: [PATCH 4141/6244] i386: remove temporary DO_TRAP macros, expanding the last one used Only one use of the DO_TRAP macros remains. Expand that one and remove the macros now. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 66 +++++++++----------------------------- 1 file changed, 15 insertions(+), 51 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 1bd7960b1357..8fa8485b49ce 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -530,56 +530,6 @@ vm86_trap: return; } -#define DO_TRAP(trapnr, signr, str, name) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - trace_hardirqs_fixup(); \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \ -} - -#define DO_TRAP_INFO(trapnr, signr, str, name, sicode, siaddr, irq) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - siginfo_t info; \ - if (irq) \ - local_irq_enable(); \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void __user *)siaddr; \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - do_trap(trapnr, signr, str, 0, regs, error_code, &info); \ -} - -#define DO_VM86_TRAP(trapnr, signr, str, name) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - do_trap(trapnr, signr, str, 1, regs, error_code, NULL); \ -} - -#define DO_VM86_TRAP_INFO(trapnr, signr, str, name, sicode, siaddr) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - siginfo_t info; \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void __user *)siaddr; \ - trace_hardirqs_fixup(); \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ -} - #define DO_ERROR(trapnr, signr, str, name) \ void do_##name(struct pt_regs *regs, long error_code) \ { \ @@ -643,7 +593,6 @@ DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) -DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1) void __kprobes do_general_protection(struct pt_regs *regs, long error_code) @@ -1263,6 +1212,21 @@ void __kprobes do_machine_check(struct pt_regs *regs, long error) } #endif +void do_iret_error(struct pt_regs *regs, long error_code) +{ + siginfo_t info; + local_irq_enable(); + + info.si_signo = SIGILL; + info.si_errno = 0; + info.si_code = ILL_BADSTK; + info.si_addr = 0; + if (notify_die(DIE_TRAP, "iret exception", + regs, error_code, 32, SIGILL) == NOTIFY_STOP) + return; + do_trap(32, SIGILL, "iret exception", 0, regs, error_code, &info); +} + void __init trap_init(void) { int i; -- GitLab From 85cea51d7e7b8d3408c8e933d88fa067309395fa Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:14 +0200 Subject: [PATCH 4142/6244] i386: add TRACE_IRQS_OFF to entry_32.S in 'error_code' Many exceptions use the same code path via the label 'error_code' in entry_32.S. At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index c5fe01bca6c0..49438e58291d 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -730,6 +730,7 @@ error_code: movl $(__USER_DS), %ecx movl %ecx, %ds movl %ecx, %es + TRACE_IRQS_OFF movl %esp,%eax # pt_regs pointer call *%edi jmp ret_from_exception -- GitLab From 43024a8a5d4c63952687286f3083f7f34d4da2cc Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:15 +0200 Subject: [PATCH 4143/6244] i386: add TRACE_IRQS_OFF for exception 1 (debug) At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 49438e58291d..a278505baa11 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -804,6 +804,7 @@ debug_stack_correct: pushl $-1 # mark this as an int CFI_ADJUST_CFA_OFFSET 4 SAVE_ALL + TRACE_IRQS_OFF xorl %edx,%edx # error code 0 movl %esp,%eax # pt_regs pointer call do_debug -- GitLab From e0c7317557c8fc8eacf611e30c2a80f4e24e47a3 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:16 +0200 Subject: [PATCH 4144/6244] i386: add TRACE_IRQS_OFF for the nmi At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index a278505baa11..2abdc9a9f7bc 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -849,6 +849,7 @@ nmi_stack_correct: pushl %eax CFI_ADJUST_CFA_OFFSET 4 SAVE_ALL + TRACE_IRQS_OFF xorl %edx,%edx # zero error code movl %esp,%eax # pt_regs pointer call do_nmi @@ -889,6 +890,7 @@ nmi_espfix_stack: pushl %eax CFI_ADJUST_CFA_OFFSET 4 SAVE_ALL + TRACE_IRQS_OFF FIXUP_ESPFIX_STACK # %eax == %esp xorl %edx,%edx # zero error code call do_nmi -- GitLab From a790392faa3a6138b6e90d0fe320a2829652ce22 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:17 +0200 Subject: [PATCH 4145/6244] i386: add TRACE_IRQS_OFF for the exception 3 (int3) At this point interrupts are off, so let's inform the tracing code of that fact before calling into C. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 2abdc9a9f7bc..b21fbfaffe39 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -921,6 +921,7 @@ KPROBE_ENTRY(int3) pushl $-1 # mark this as an int CFI_ADJUST_CFA_OFFSET 4 SAVE_ALL + TRACE_IRQS_OFF xorl %edx,%edx # zero error code movl %esp,%eax # pt_regs pointer call do_int3 -- GitLab From 07bb2f6236f11169fbd8a8916b16715b25fea9b6 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 9 Sep 2008 21:56:18 +0200 Subject: [PATCH 4146/6244] i386: trace_hardirqs_fixup should now not be necessary: irqs are off. The exception handlers in entry_32.S should now all call TRACE_IRQS_OFF before calling the C code. The calls to trace_hardirqs_fixup should now be unnecessary. Remove them. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 8fa8485b49ce..ab5593650899 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -533,7 +533,6 @@ vm86_trap: #define DO_ERROR(trapnr, signr, str, name) \ void do_##name(struct pt_regs *regs, long error_code) \ { \ - trace_hardirqs_fixup(); \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ @@ -576,7 +575,6 @@ void do_##name(struct pt_regs *regs, long error_code) \ info.si_errno = 0; \ info.si_code = sicode; \ info.si_addr = (void __user *)siaddr; \ - trace_hardirqs_fixup(); \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ @@ -860,15 +858,9 @@ void restart_nmi(void) void __kprobes do_int3(struct pt_regs *regs, long error_code) { #ifdef CONFIG_KPROBES - trace_hardirqs_fixup(); - if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; - /* - * This is an interrupt gate, because kprobes wants interrupts - * disabled. Normal trap handlers don't. - */ conditional_sti(regs); #else if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) @@ -907,8 +899,6 @@ void __kprobes do_debug(struct pt_regs *regs, long error_code) unsigned int condition; int si_code; - trace_hardirqs_fixup(); - get_debugreg(condition, 6); /* -- GitLab From be43d72835ba610e4af274f2d123b26f66f4f7ed Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 7 Sep 2008 15:21:13 -0700 Subject: [PATCH 4147/6244] x86: add _PAGE_IOMAP pte flag for IO mappings Use one of the software-defined PTE bits to indicate that a mapping is intended for an IO address. On native hardware this is irrelevent, since a physical address is a physical address. But in a virtual environment, physical addresses are also virtualized, so there needs to be some way to distinguish between pseudo-physical addresses and actual hardware addresses; _PAGE_IOMAP indicates this intent. By default, __supported_pte_mask masks out _PAGE_IOMAP, so it doesn't even appear in the final pagetable. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 2 +- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/ioremap.c | 8 ++++---- include/asm-x86/pgtable.h | 14 ++++++++++++-- 4 files changed, 18 insertions(+), 8 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index bbe044dbe014..8396868e82c5 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -558,7 +558,7 @@ void zap_low_mappings(void) int nx_enabled; -pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL); +pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP); EXPORT_SYMBOL_GPL(__supported_pte_mask); #ifdef CONFIG_X86_PAE diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 3e10054c5731..dec5c775e92b 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -89,7 +89,7 @@ early_param("gbpages", parse_direct_gbpages_on); int after_bootmem; -unsigned long __supported_pte_mask __read_mostly = ~0UL; +pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP; EXPORT_SYMBOL_GPL(__supported_pte_mask); static int do_not_nx __cpuinitdata; diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 8cbeda15cd29..43c3b6896cd6 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -242,16 +242,16 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, switch (prot_val) { case _PAGE_CACHE_UC: default: - prot = PAGE_KERNEL_NOCACHE; + prot = PAGE_KERNEL_IO_NOCACHE; break; case _PAGE_CACHE_UC_MINUS: - prot = PAGE_KERNEL_UC_MINUS; + prot = PAGE_KERNEL_IO_UC_MINUS; break; case _PAGE_CACHE_WC: - prot = PAGE_KERNEL_WC; + prot = PAGE_KERNEL_IO_WC; break; case _PAGE_CACHE_WB: - prot = PAGE_KERNEL; + prot = PAGE_KERNEL_IO; break; } diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index ed932453ef26..81805403b64a 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -15,7 +15,7 @@ #define _PAGE_BIT_PAT 7 /* on 4KB pages */ #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ #define _PAGE_BIT_UNUSED1 9 /* available for programmer */ -#define _PAGE_BIT_UNUSED2 10 +#define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ #define _PAGE_BIT_UNUSED3 11 #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ #define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 @@ -32,7 +32,7 @@ #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) #define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) -#define _PAGE_UNUSED2 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED2) +#define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) #define _PAGE_UNUSED3 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED3) #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) @@ -99,6 +99,11 @@ #define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) +#define __PAGE_KERNEL_IO (__PAGE_KERNEL | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_NOCACHE (__PAGE_KERNEL_NOCACHE | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_UC_MINUS (__PAGE_KERNEL_UC_MINUS | _PAGE_IOMAP) +#define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC | _PAGE_IOMAP) + #define PAGE_KERNEL __pgprot(__PAGE_KERNEL) #define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) #define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) @@ -113,6 +118,11 @@ #define PAGE_KERNEL_VSYSCALL __pgprot(__PAGE_KERNEL_VSYSCALL) #define PAGE_KERNEL_VSYSCALL_NOCACHE __pgprot(__PAGE_KERNEL_VSYSCALL_NOCACHE) +#define PAGE_KERNEL_IO __pgprot(__PAGE_KERNEL_IO) +#define PAGE_KERNEL_IO_NOCACHE __pgprot(__PAGE_KERNEL_IO_NOCACHE) +#define PAGE_KERNEL_IO_UC_MINUS __pgprot(__PAGE_KERNEL_IO_UC_MINUS) +#define PAGE_KERNEL_IO_WC __pgprot(__PAGE_KERNEL_IO_WC) + /* xwr */ #define __P000 PAGE_NONE #define __P001 PAGE_READONLY -- GitLab From efc9eb20b2f5125642fc37a1dbabadc3ce5d321c Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 7 Sep 2008 15:21:14 -0700 Subject: [PATCH 4148/6244] x86: remove duplicate early_ioremap declarations early_ioremap() is redeclared in several places; remove them. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- include/asm-x86/io.h | 14 -------------- include/asm-x86/io_64.h | 3 --- 2 files changed, 17 deletions(-) diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index 72b7719523bf..e091f3949eca 100644 --- a/include/asm-x86/io.h +++ b/include/asm-x86/io.h @@ -5,20 +5,6 @@ #include -/* - * early_ioremap() and early_iounmap() are for temporary early boot-time - * mappings, before the real ioremap() is functional. - * A boot-time mapping is currently limited to at most 16 pages. - */ -#ifndef __ASSEMBLY__ -extern void early_ioremap_init(void); -extern void early_ioremap_clear(void); -extern void early_ioremap_reset(void); -extern void *early_ioremap(unsigned long offset, unsigned long size); -extern void early_iounmap(void *addr, unsigned long size); -extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); -#endif - #define build_mmio_read(name, size, type, reg, barrier) \ static inline type name(const volatile void __iomem *addr) \ { type ret; asm volatile("mov" size " %1,%0":reg (ret) \ diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h index 64429e9431a8..ee6e086b7dfe 100644 --- a/include/asm-x86/io_64.h +++ b/include/asm-x86/io_64.h @@ -165,9 +165,6 @@ static inline void *phys_to_virt(unsigned long address) #include -extern void *early_ioremap(unsigned long addr, unsigned long size); -extern void early_iounmap(void *addr, unsigned long size); - /* * This one maps high address device memory and turns off caching for that area. * it's useful if some control registers are in such an area and write combining -- GitLab From 1494177942b23b7094ca291d37e6f6263fa60fdd Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 7 Sep 2008 15:21:15 -0700 Subject: [PATCH 4149/6244] x86: add early_memremap() early_ioremap() is also used to map normal memory when constructing the linear memory mapping. However, since we sometimes need to be able to distinguish between actual IO mappings and normal memory mappings, add a early_memremap() call, which maps with PAGE_KERNEL (as opposed to PAGE_KERNEL_IO for early_ioremap()), and use it when constructing pagetables. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/ioremap.c | 22 +++++++++++++++++----- include/asm-x86/io.h | 1 + 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index dec5c775e92b..5beb89683453 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -313,7 +313,7 @@ static __ref void *alloc_low_page(unsigned long *phys) if (pfn >= table_top) panic("alloc_low_page: ran out of memory"); - adr = early_ioremap(pfn * PAGE_SIZE, PAGE_SIZE); + adr = early_memremap(pfn * PAGE_SIZE, PAGE_SIZE); memset(adr, 0, PAGE_SIZE); *phys = pfn * PAGE_SIZE; return adr; diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 43c3b6896cd6..7fb737c6b54f 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -568,12 +568,12 @@ static void __init __early_set_fixmap(enum fixed_addresses idx, } static inline void __init early_set_fixmap(enum fixed_addresses idx, - unsigned long phys) + unsigned long phys, pgprot_t prot) { if (after_paging_init) - set_fixmap(idx, phys); + __set_fixmap(idx, phys, prot); else - __early_set_fixmap(idx, phys, PAGE_KERNEL); + __early_set_fixmap(idx, phys, prot); } static inline void __init early_clear_fixmap(enum fixed_addresses idx) @@ -601,7 +601,7 @@ static int __init check_early_ioremap_leak(void) } late_initcall(check_early_ioremap_leak); -void __init *early_ioremap(unsigned long phys_addr, unsigned long size) +static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot) { unsigned long offset, last_addr; unsigned int nrpages, nesting; @@ -650,7 +650,7 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size) idx0 = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*nesting; idx = idx0; while (nrpages > 0) { - early_set_fixmap(idx, phys_addr); + early_set_fixmap(idx, phys_addr, prot); phys_addr += PAGE_SIZE; --idx; --nrpages; @@ -661,6 +661,18 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size) return (void *) (offset + fix_to_virt(idx0)); } +/* Remap an IO device */ +void __init *early_ioremap(unsigned long phys_addr, unsigned long size) +{ + return __early_ioremap(phys_addr, size, PAGE_KERNEL_IO); +} + +/* Remap memory */ +void __init *early_memremap(unsigned long phys_addr, unsigned long size) +{ + return __early_ioremap(phys_addr, size, PAGE_KERNEL); +} + void __init early_iounmap(void *addr, unsigned long size) { unsigned long virt_addr; diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index e091f3949eca..a233f835e0b5 100644 --- a/include/asm-x86/io.h +++ b/include/asm-x86/io.h @@ -83,6 +83,7 @@ extern void early_ioremap_init(void); extern void early_ioremap_clear(void); extern void early_ioremap_reset(void); extern void *early_ioremap(unsigned long offset, unsigned long size); +extern void *early_memremap(unsigned long offset, unsigned long size); extern void early_iounmap(void *addr, unsigned long size); extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); -- GitLab From 88b4c146961f4178f38a8c3e6e54709fa39a3f36 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 7 Sep 2008 15:21:16 -0700 Subject: [PATCH 4150/6244] x86: use early_memremap() in setup.c The remappings in setup.c are all just ordinary memory, so use early_memremap() rather than early_ioremap(). Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 21b8e0a59780..de6a9d6d599f 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -302,7 +302,7 @@ static void __init relocate_initrd(void) if (clen > MAX_MAP_CHUNK-slop) clen = MAX_MAP_CHUNK-slop; mapaddr = ramdisk_image & PAGE_MASK; - p = early_ioremap(mapaddr, clen+slop); + p = early_memremap(mapaddr, clen+slop); memcpy(q, p+slop, clen); early_iounmap(p, clen+slop); q += clen; @@ -379,7 +379,7 @@ static void __init parse_setup_data(void) return; pa_data = boot_params.hdr.setup_data; while (pa_data) { - data = early_ioremap(pa_data, PAGE_SIZE); + data = early_memremap(pa_data, PAGE_SIZE); switch (data->type) { case SETUP_E820_EXT: parse_e820_ext(data, pa_data); @@ -402,7 +402,7 @@ static void __init e820_reserve_setup_data(void) return; pa_data = boot_params.hdr.setup_data; while (pa_data) { - data = early_ioremap(pa_data, sizeof(*data)); + data = early_memremap(pa_data, sizeof(*data)); e820_update_range(pa_data, sizeof(*data)+data->len, E820_RAM, E820_RESERVED_KERN); found = 1; @@ -428,7 +428,7 @@ static void __init reserve_early_setup_data(void) return; pa_data = boot_params.hdr.setup_data; while (pa_data) { - data = early_ioremap(pa_data, sizeof(*data)); + data = early_memremap(pa_data, sizeof(*data)); sprintf(buf, "setup data %x", data->type); reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf); pa_data = data->next; -- GitLab From a32ad4626776f09b30ef98a872a5f6fb64fe6607 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Sun, 7 Sep 2008 15:21:17 -0700 Subject: [PATCH 4151/6244] x86-64: don't check for map replacement The check prevents flags on mappings from being changed, which is not desireable. There's no need to check for replacing a mapping, and x86-32 does not do this check. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 5beb89683453..7c8bb46e83e4 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -196,9 +196,6 @@ set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte) } pte = pte_offset_kernel(pmd, vaddr); - if (!pte_none(*pte) && pte_val(new_pte) && - pte_val(*pte) != (pte_val(new_pte) & __supported_pte_mask)) - pte_ERROR(*pte); set_pte(pte, new_pte); /* -- GitLab From a73aaedd95703bd49f4c3f9df06fb7b7373ba905 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 14 Sep 2008 02:33:14 -0700 Subject: [PATCH 4152/6244] x86: check dsdt before find oem table for es7000, v2 v2: use __acpi_unmap_table() Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/es7000_32.c | 28 +++++++++++++++++++++++----- arch/x86/mach-generic/es7000.c | 20 +++++++++++++++----- include/asm-x86/es7000/mpparse.h | 1 + 3 files changed, 39 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index 849e5cd485b8..f454c78fcef6 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -109,6 +109,7 @@ struct oem_table { }; extern int find_unisys_acpi_oem_table(unsigned long *oem_addr); +extern void unmap_unisys_acpi_oem_table(unsigned long oem_addr); #endif struct mip_reg { @@ -243,21 +244,38 @@ parse_unisys_oem (char *oemptr) } #ifdef CONFIG_ACPI -int __init -find_unisys_acpi_oem_table(unsigned long *oem_addr) +static unsigned long oem_addrX; +static unsigned long oem_size; +int __init find_unisys_acpi_oem_table(unsigned long *oem_addr) { struct acpi_table_header *header = NULL; int i = 0; - while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) { + acpi_size tbl_size; + + while (ACPI_SUCCESS(acpi_get_table_with_size("OEM1", i++, &header, &tbl_size))) { if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) { struct oem_table *t = (struct oem_table *)header; - *oem_addr = (unsigned long)__acpi_map_table(t->OEMTableAddr, - t->OEMTableSize); + + oem_addrX = t->OEMTableAddr; + oem_size = t->OEMTableSize; + early_acpi_os_unmap_memory(header, tbl_size); + + *oem_addr = (unsigned long)__acpi_map_table(oem_addrX, + oem_size); return 0; } + early_acpi_os_unmap_memory(header, tbl_size); } return -1; } + +void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr) +{ + if (!oem_addr) + return; + + __acpi_unmap_table((char *)oem_addr, oem_size); +} #endif static void diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c index 520cca0ee04e..6513d41ea21e 100644 --- a/arch/x86/mach-generic/es7000.c +++ b/arch/x86/mach-generic/es7000.c @@ -47,16 +47,26 @@ static __init int mps_oem_check(struct mp_config_table *mpc, char *oem, /* Hook from generic ACPI tables.c */ static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - unsigned long oem_addr; + unsigned long oem_addr = 0; + int check_dsdt; + int ret = 0; + + /* check dsdt at first to avoid clear fix_map for oem_addr */ + check_dsdt = es7000_check_dsdt(); + if (!find_unisys_acpi_oem_table(&oem_addr)) { - if (es7000_check_dsdt()) - return parse_unisys_oem((char *)oem_addr); + if (check_dsdt) + ret = parse_unisys_oem((char *)oem_addr); else { setup_unisys(); - return 1; + ret = 1; } + /* + * we need to unmap it + */ + unmap_unisys_acpi_oem_table(oem_addr); } - return 0; + return ret; } #else static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) diff --git a/include/asm-x86/es7000/mpparse.h b/include/asm-x86/es7000/mpparse.h index 7b5c889d8e7d..ed5a3caae141 100644 --- a/include/asm-x86/es7000/mpparse.h +++ b/include/asm-x86/es7000/mpparse.h @@ -5,6 +5,7 @@ extern int parse_unisys_oem (char *oemptr); extern int find_unisys_acpi_oem_table(unsigned long *oem_addr); +extern void unmap_unisys_acpi_oem_table(unsigned long oem_addr); extern void setup_unisys(void); #ifndef CONFIG_X86_GENERICARCH -- GitLab From 3e6de5a393661c5cdabe44115e93bcbde6a742fc Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Sep 2008 08:26:15 +0200 Subject: [PATCH 4153/6244] x86: print out EBDA/lowmem address it's useful for debugging purposes to know the location of the EBDA. Signed-off-by: Ingo Molnar --- arch/x86/kernel/head.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c index 3e66bd364a9d..1dcb0f13897e 100644 --- a/arch/x86/kernel/head.c +++ b/arch/x86/kernel/head.c @@ -35,6 +35,7 @@ void __init reserve_ebda_region(void) /* start of EBDA area */ ebda_addr = get_bios_ebda(); + printk(KERN_INFO "BIOS EBDA/lowmem at: %08x/%08x\n", ebda_addr, lowmem); /* Fixup: bios puts an EBDA in the top 64K segment */ /* of conventional memory, but does not adjust lowmem. */ -- GitLab From 33f8c40a30ae99e971d068c9ec6088e713c46f5f Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Sun, 14 Sep 2008 19:03:53 +0200 Subject: [PATCH 4154/6244] x86: add memory clobber in switch_to() Segment registers are reloaded, so we should add a memory clobber. The generated assembly code is identical in my tests, but this doesn't mean it is necessarily true for all configurations/compilers. x86_64 already has the memory clobber. Signed-off-by: Vegard Nossum Signed-off-by: Ingo Molnar --- include/asm-x86/system.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h index 34505dd7b24d..b20c894660f9 100644 --- a/include/asm-x86/system.h +++ b/include/asm-x86/system.h @@ -64,7 +64,10 @@ do { \ \ /* regparm parameters for __switch_to(): */ \ [prev] "a" (prev), \ - [next] "d" (next)); \ + [next] "d" (next) \ + \ + : /* reloaded segment registers */ \ + "memory"); \ } while (0) /* -- GitLab From 59ef48a58e59cc27255d526ae3fa60ddcd977208 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 14 Sep 2008 21:58:49 +0400 Subject: [PATCH 4155/6244] x86: smpboot - check if we have ESR register in wakeup_secondary_cpu We should check if we have ESR register before reading from it. Signed-off-by: Cyrill Gorcunov Cc: Yinghai Lu Cc: "Maciej W. Rozycki" Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index b700c9a10644..a778e221ccfb 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -599,10 +599,12 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) * Give the other CPU some time to accept the IPI. */ udelay(200); - maxlvt = lapic_get_maxlvt(); - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); - accept_status = (apic_read(APIC_ESR) & 0xEF); + if (APIC_INTEGRATED(apic_version[phys_apicid])) { + maxlvt = lapic_get_maxlvt(); + if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ + apic_write(APIC_ESR, 0); + accept_status = (apic_read(APIC_ESR) & 0xEF); + } pr_debug("NMI sent.\n"); if (send_status) -- GitLab From 5e72d9e4850c91b6a0f06fa803f7393b55a38aa8 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 12 Sep 2008 15:43:04 +0100 Subject: [PATCH 4156/6244] x86-64: fix combining of regions in init_memory_mapping() When nr_range gets decremented, the same slot must be considered for coalescing with its new successor again. The issue is apparently pretty benign to native code, but surfaces as a boot time crash in our forward ported Xen tree (where the page table setup overall works differently than in native). Signed-off-by: Jan Beulich Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mm/init_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 7c8bb46e83e4..b8e461d49412 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -746,7 +746,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, old_start = mr[i].start; memmove(&mr[i], &mr[i+1], (nr_range - 1 - i) * sizeof (struct map_range)); - mr[i].start = old_start; + mr[i--].start = old_start; nr_range--; } -- GitLab From 606ee44dbb72fd48beb47f171d7b9cecf6ade6dd Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 17 Sep 2008 16:48:17 +0100 Subject: [PATCH 4157/6244] x86: make mm/gup.c more virtualization friendly Since pte_flags() is much cheaper than pte_val() in some virtualized environments (namely, Xen), use the former whereever possible. Signed-off-by: Jan Beulich Cc: "Nick Piggin" Signed-off-by: Ingo Molnar --- arch/x86/mm/gup.c | 10 +++++----- include/asm-x86/pgtable.h | 2 +- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c index 007bb06c7504..4ba373c5b8c8 100644 --- a/arch/x86/mm/gup.c +++ b/arch/x86/mm/gup.c @@ -82,7 +82,7 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, pte_t pte = gup_get_pte(ptep); struct page *page; - if ((pte_val(pte) & (mask | _PAGE_SPECIAL)) != mask) { + if ((pte_flags(pte) & (mask | _PAGE_SPECIAL)) != mask) { pte_unmap(ptep); return 0; } @@ -116,10 +116,10 @@ static noinline int gup_huge_pmd(pmd_t pmd, unsigned long addr, mask = _PAGE_PRESENT|_PAGE_USER; if (write) mask |= _PAGE_RW; - if ((pte_val(pte) & mask) != mask) + if ((pte_flags(pte) & mask) != mask) return 0; /* hugepages are never "special" */ - VM_BUG_ON(pte_val(pte) & _PAGE_SPECIAL); + VM_BUG_ON(pte_flags(pte) & _PAGE_SPECIAL); VM_BUG_ON(!pfn_valid(pte_pfn(pte))); refs = 0; @@ -173,10 +173,10 @@ static noinline int gup_huge_pud(pud_t pud, unsigned long addr, mask = _PAGE_PRESENT|_PAGE_USER; if (write) mask |= _PAGE_RW; - if ((pte_val(pte) & mask) != mask) + if ((pte_flags(pte) & mask) != mask) return 0; /* hugepages are never "special" */ - VM_BUG_ON(pte_val(pte) & _PAGE_SPECIAL); + VM_BUG_ON(pte_flags(pte) & _PAGE_SPECIAL); VM_BUG_ON(!pfn_valid(pte_pfn(pte))); refs = 0; diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index 81805403b64a..182f9d4c570f 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -206,7 +206,7 @@ static inline int pte_exec(pte_t pte) static inline int pte_special(pte_t pte) { - return pte_val(pte) & _PAGE_SPECIAL; + return pte_flags(pte) & _PAGE_SPECIAL; } static inline unsigned long pte_pfn(pte_t pte) -- GitLab From bd32a8cfa8f172bd943655a3663d8005e5c1d83c Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 19 Sep 2008 18:41:16 -0700 Subject: [PATCH 4158/6244] x86: cpu don't print duplicated vendor string Some CPUs have vendor string in the middle of model_id instead of beginning Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index fb789dd9e691..088fbdb6734e 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -797,7 +797,7 @@ void __cpuinit print_cpu_info(struct cpuinfo_x86 *c) else if (c->cpuid_level >= 0) vendor = c->x86_vendor_id; - if (vendor && strncmp(c->x86_model_id, vendor, strlen(vendor))) + if (vendor && !strstr(c->x86_model_id, vendor)) printk(KERN_CONT "%s ", vendor); if (c->x86_model_id[0]) -- GitLab From cf4cfb225ab2b48611cb4f9e8db23c87486416d6 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 13:45:46 -0300 Subject: [PATCH 4159/6244] x86: use user_mode macro Instead of using SEGMENT_IS_KERNEL_CODE, use the "user_mode" macro, which can play the same role. Delete the former, since it now lacks any user. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_32.c | 2 +- include/asm-x86/segment.h | 3 --- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index bbecf8b6bf96..8abcb7b08694 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -47,7 +47,7 @@ unsigned long profile_pc(struct pt_regs *regs) unsigned long pc = instruction_pointer(regs); #ifdef CONFIG_SMP - if (!v8086_mode(regs) && SEGMENT_IS_KERNEL_CODE(regs->cs) && + if (!v8086_mode(regs) && !user_mode(regs) && in_lock_functions(pc)) { #ifdef CONFIG_FRAME_POINTER return *(unsigned long *)(regs->bp + 4); diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h index ea5f0a8686f7..4dcd8c6dd227 100644 --- a/include/asm-x86/segment.h +++ b/include/asm-x86/segment.h @@ -131,9 +131,6 @@ * Matching rules for certain types of segments. */ -/* Matches only __KERNEL_CS, ignoring PnP / USER / APM segments */ -#define SEGMENT_IS_KERNEL_CODE(x) (((x) & 0xfc) == GDT_ENTRY_KERNEL_CS * 8) - /* Matches __KERNEL_CS and __USER_CS (they must be 2 entries apart) */ #define SEGMENT_IS_FLAT_CODE(x) (((x) & 0xec) == GDT_ENTRY_KERNEL_CS * 8) -- GitLab From 2c44e66843cd50c5ef4f4271fbd63a4f4bf4d083 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 13:48:07 -0300 Subject: [PATCH 4160/6244] x86: coalesce tests Coalesce v8086_mode and user_mode into a single user_mode_vm() test. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_32.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 8abcb7b08694..ca0a4aab12ce 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -47,8 +47,7 @@ unsigned long profile_pc(struct pt_regs *regs) unsigned long pc = instruction_pointer(regs); #ifdef CONFIG_SMP - if (!v8086_mode(regs) && !user_mode(regs) && - in_lock_functions(pc)) { + if (!user_mode_vm(regs) && in_lock_functions(pc)) { #ifdef CONFIG_FRAME_POINTER return *(unsigned long *)(regs->bp + 4); #else -- GitLab From 097a0788df71b0f3328c70ab5f4e41c27ee66817 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Thu, 14 Aug 2008 17:33:12 -0300 Subject: [PATCH 4161/6244] x86: set bp field in pt_regs properly Save rbp twice: One is for marking the stack frame, as usual (already there), and the other, to fill pt_regs properly. This is because bx comes right before the last saved register in that structure, and not bp. If the base pointer were in the place bx is today, this would not be needed. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_64.S | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index cf3a0b2d0059..25bb3f9b2552 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -667,6 +667,13 @@ END(stub_rt_sigreturn) SAVE_ARGS leaq -ARGOFFSET(%rsp),%rdi # arg1 for handler pushq %rbp + /* + * Save rbp twice: One is for marking the stack frame, as usual, and the + * other, to fill pt_regs properly. This is because bx comes right + * before the last saved register in that structure, and not bp. If the + * base pointer were in the place bx is today, this would not be needed. + */ + movq %rbp, -8(%rsp) CFI_ADJUST_CFA_OFFSET 8 CFI_REL_OFFSET rbp, 0 movq %rsp,%rbp -- GitLab From 3927fa9e4b5d5f346d12aa0531744daef106ebd3 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 13:53:43 -0300 Subject: [PATCH 4162/6244] x86: use frame pointer information on x86_64 profile_pc Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_64.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index e3d49c553af2..7fd995edb762 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -34,11 +34,15 @@ unsigned long profile_pc(struct pt_regs *regs) of flags from PUSHF Eflags always has bits 22 and up cleared unlike kernel addresses. */ if (!user_mode(regs) && in_lock_functions(pc)) { +#ifdef CONFIG_FRAME_POINTER + return *(unsigned long *)(regs->bp + sizeof(long)); +#else unsigned long *sp = (unsigned long *)regs->sp; if (sp[0] >> 22) return sp[0]; if (sp[1] >> 22) return sp[1]; +#endif } return pc; } -- GitLab From efa323abd424a2450f810b96203c1fbf138998b9 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 14:00:14 -0300 Subject: [PATCH 4163/6244] x86: remove SEGMENT_IS_FLAT_CODE There are no users in the kernel. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- include/asm-x86/segment.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h index 4dcd8c6dd227..5d6e69454891 100644 --- a/include/asm-x86/segment.h +++ b/include/asm-x86/segment.h @@ -131,9 +131,6 @@ * Matching rules for certain types of segments. */ -/* Matches __KERNEL_CS and __USER_CS (they must be 2 entries apart) */ -#define SEGMENT_IS_FLAT_CODE(x) (((x) & 0xec) == GDT_ENTRY_KERNEL_CS * 8) - /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */ #define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8) -- GitLab From 8de0b8a7eaf274d197698b035090eeb805f62de6 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 14:10:13 -0300 Subject: [PATCH 4164/6244] x86: use user_mode_vm instead of user_mode For x86_64, it does not really matter. But makes the code equal to i386. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 7fd995edb762..0469243ae1bd 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -33,7 +33,7 @@ unsigned long profile_pc(struct pt_regs *regs) /* Assume the lock function has either no stack frame or a copy of flags from PUSHF Eflags always has bits 22 and up cleared unlike kernel addresses. */ - if (!user_mode(regs) && in_lock_functions(pc)) { + if (!user_mode_vm(regs) && in_lock_functions(pc)) { #ifdef CONFIG_FRAME_POINTER return *(unsigned long *)(regs->bp + sizeof(long)); #else -- GitLab From 2ff298372d03b01c9ca8738ee2791227a81928e2 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 14:21:29 -0300 Subject: [PATCH 4165/6244] x86: bind irq0 irq data to cpu0 Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 0469243ae1bd..841938297c2a 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -115,6 +115,7 @@ void __init hpet_time_init(void) if (!hpet_enable()) setup_pit_timer(); + irq0.mask = cpumask_of_cpu(0); setup_irq(0, &irq0); } -- GitLab From 2f97435e57926a5cdc104fe5a7c64932cb62cdda Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 15:08:39 -0300 Subject: [PATCH 4166/6244] x86: factor out irq initialization for x86_64 Provide apic_intr_init and smp_intr_init functions. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/irqinit_64.c | 43 +++++++++++++++++++++++------------- 1 file changed, 28 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 1f26fd9ec4f4..18968a78ab3d 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -164,22 +164,8 @@ static void __init init_ISA_irqs (void) void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ"))); -void __init native_init_IRQ(void) +void __init smp_intr_init(void) { - int i; - - init_ISA_irqs(); - /* - * Cover the whole vector space, no vector can escape - * us. (some of these will be overridden and become - * 'special' SMP interrupts) - */ - for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) { - int vector = FIRST_EXTERNAL_VECTOR + i; - if (vector != IA32_SYSCALL_VECTOR) - set_intr_gate(vector, interrupt[i]); - } - #ifdef CONFIG_SMP /* * The reschedule interrupt is a CPU-to-CPU reschedule-helper @@ -207,6 +193,14 @@ void __init native_init_IRQ(void) /* Low priority IPI to cleanup after moving an irq */ set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt); #endif +} + +void __init apic_intr_init(void) +{ +#ifdef CONFIG_SMP + smp_intr_init(); +#endif + alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); @@ -216,6 +210,25 @@ void __init native_init_IRQ(void) /* IPI vectors for APIC spurious and error interrupts */ alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt); +} + +void __init native_init_IRQ(void) +{ + int i; + + init_ISA_irqs(); + /* + * Cover the whole vector space, no vector can escape + * us. (some of these will be overridden and become + * 'special' SMP interrupts) + */ + for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) { + int vector = FIRST_EXTERNAL_VECTOR + i; + if (vector != IA32_SYSCALL_VECTOR) + set_intr_gate(vector, interrupt[i]); + } + + apic_intr_init(); if (!acpi_ioapic) setup_irq(2, &irq2); -- GitLab From 780209af714ba733cd9e2f3526107becfc1969bc Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 15:12:39 -0300 Subject: [PATCH 4167/6244] x86: make init_ISA_irqs nonstatic Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/irqinit_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 18968a78ab3d..b01d9549b3d4 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -135,7 +135,7 @@ DEFINE_PER_CPU(vector_irq_t, vector_irq) = { [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1 }; -static void __init init_ISA_irqs (void) +void __init init_ISA_irqs(void) { int i; -- GitLab From 461ebd109569d666d367f774f74002add6444d49 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 15:25:13 -0300 Subject: [PATCH 4168/6244] x86: rename timer_event_interrupt to timer_interrupt Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_64.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 841938297c2a..2be67c24909e 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -48,7 +48,7 @@ unsigned long profile_pc(struct pt_regs *regs) } EXPORT_SYMBOL(profile_pc); -static irqreturn_t timer_event_interrupt(int irq, void *dev_id) +irqreturn_t timer_interrupt(int irq, void *dev_id) { add_pda(irq0_irqs, 1); @@ -104,7 +104,7 @@ unsigned long __init calibrate_cpu(void) } static struct irqaction irq0 = { - .handler = timer_event_interrupt, + .handler = timer_interrupt, .flags = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING, .mask = CPU_MASK_NONE, .name = "timer" -- GitLab From 2c460d0b6813a5d2a7d571b0b561e4e727036dd7 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Fri, 11 Jul 2008 16:06:40 -0300 Subject: [PATCH 4169/6244] x86: replace hardcoded number Replace "4" in time_32.c code by sizeof(long). This way, it can work on x86_64 too. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index ca0a4aab12ce..7215bc6adfcc 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -49,7 +49,7 @@ unsigned long profile_pc(struct pt_regs *regs) #ifdef CONFIG_SMP if (!user_mode_vm(regs) && in_lock_functions(pc)) { #ifdef CONFIG_FRAME_POINTER - return *(unsigned long *)(regs->bp + 4); + return *(unsigned long *)(regs->bp + sizeof(long)); #else unsigned long *sp = (unsigned long *)®s->sp; -- GitLab From 33c053d0aec344c8b2ad6966d904ebeff64e590b Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Mon, 21 Jul 2008 18:42:52 -0300 Subject: [PATCH 4170/6244] x86: wrap MCA_bus test around an ifdef Only test for MCA_bus if support for MCA is compiled in. Also, for x86_64, write the code inside the conditional for consistency with i386. It won't bite us, since it'll probably never select CONFIG_MCA anyway. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/time_32.c | 2 ++ arch/x86/kernel/time_64.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 7215bc6adfcc..77b400f06ea2 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -94,6 +94,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) do_timer_interrupt_hook(); +#ifdef CONFIG_MCA if (MCA_bus) { /* The PS/2 uses level-triggered interrupts. You can't turn them off, nor would you want to (any attempt to @@ -107,6 +108,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) u8 irq_v = inb_p( 0x61 ); /* read the current state */ outb_p( irq_v|0x80, 0x61 ); /* reset the IRQ */ } +#endif return IRQ_HANDLED; } diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 2be67c24909e..207a7a1d7ac5 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -54,6 +55,13 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) global_clock_event->event_handler(global_clock_event); +#ifdef CONFIG_MCA + if (MCA_bus) { + u8 irq_v = inb_p(0x61); /* read the current state */ + outb_p(irq_v|0x80, 0x61); /* reset the IRQ */ + } +#endif + return IRQ_HANDLED; } -- GitLab From e04d645f326bc8e591bc4ae21c4ab535987a17c1 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Mon, 22 Sep 2008 14:35:08 -0300 Subject: [PATCH 4171/6244] x86: move vgetcpu mode probing to cpu detection Take it out of time initialization and move it to cpu detection time. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 12 ++++++++++++ arch/x86/kernel/time_64.c | 4 ---- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 088fbdb6734e..f1af71851919 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -719,12 +719,24 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c) #endif } +#ifdef CONFIG_X86_64 +static void vgetcpu_set_mode(void) +{ + if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP)) + vgetcpu_mode = VGETCPU_RDTSCP; + else + vgetcpu_mode = VGETCPU_LSL; +} +#endif + void __init identify_boot_cpu(void) { identify_cpu(&boot_cpu_data); #ifdef CONFIG_X86_32 sysenter_setup(); enable_sep_cpu(); +#else + vgetcpu_set_mode(); #endif } diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 207a7a1d7ac5..cb19d650c216 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -130,10 +130,6 @@ void __init hpet_time_init(void) void __init time_init(void) { tsc_init(); - if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP)) - vgetcpu_mode = VGETCPU_RDTSCP; - else - vgetcpu_mode = VGETCPU_LSL; late_time_init = choose_time_init(); } -- GitLab From 2e42060c19cb79adacc48beb5e9ec5361df976a2 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Tue, 23 Sep 2008 15:37:13 -0500 Subject: [PATCH 4172/6244] x86, uv: add early detection of UV system types Portions of the ACPI code needs to know if a system is a UV system prior to genapic initialization. This patch adds a call early_acpi_boot_init() so that the apic type is discovered earlier. V2 of the patch adding fixes from Yinghai Lu. Much cleaner and smaller. Signed-off-by: Jack Steiner Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup.c | 2 ++ arch/x86/mm/srat_64.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index de6a9d6d599f..2255782e8d4b 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -998,6 +998,8 @@ void __init setup_arch(char **cmdline_p) */ acpi_boot_table_init(); + early_acpi_boot_init(); + #ifdef CONFIG_ACPI_NUMA /* * Parse SRAT to discover nodes. diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c index 1b4763e26ea9..51c0a2fc14fe 100644 --- a/arch/x86/mm/srat_64.c +++ b/arch/x86/mm/srat_64.c @@ -138,7 +138,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) return; } - if (is_uv_system()) + if (get_uv_system_type() >= UV_X2APIC) apic_id = (pa->apic_id << 8) | pa->local_sapic_eid; else apic_id = pa->apic_id; -- GitLab From 6b11d4ef3e4d6ce83fb177aa50fdf385abb17d1a Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:02 +0200 Subject: [PATCH 4173/6244] traps: x86_64: add TRACE_IRQS_OFF in error_entry Add TRACE_IRQS_OFF just before entering the C code. All exceptions are taken via interrupt gates. If irq tracing is enabled, it should be notified as soon as possible. Interrupts are only (conditionally) re-enabled in C code. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_64.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 25bb3f9b2552..963b35b81bcc 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1065,7 +1065,8 @@ KPROBE_ENTRY(error_entry) je error_kernelspace error_swapgs: SWAPGS -error_sti: +error_sti: + TRACE_IRQS_OFF movq %rdi,RDI(%rsp) CFI_REL_OFFSET rdi,RDI movq %rsp,%rdi -- GitLab From 7e61a7932495e37685e95ec9a59ad08810dec959 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:03 +0200 Subject: [PATCH 4174/6244] traps: x86_64: add TRACE_IRQS_OFF in paranoidentry macro Add TRACE_IRQS_OFF just before entering the C code. All exceptions are taken via interrupt gates. If irq tracing is enabled, it should be notified as soon as possible. Interrupts are only (conditionally) re-enabled in C code. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_64.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 963b35b81bcc..977c8ea66028 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -939,6 +939,9 @@ END(spurious_interrupt) .if \ist movq %gs:pda_data_offset, %rbp .endif + .if \irqtrace + TRACE_IRQS_OFF + .endif movq %rsp,%rdi movq ORIG_RAX(%rsp),%rsi movq $-1,ORIG_RAX(%rsp) -- GitLab From 4b986a365253b57d8ab4ed7b796ba0893ff4c05c Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:04 +0200 Subject: [PATCH 4175/6244] traps: x86_64: remove trace_hardirqs_fixup from DO_ERROR_INFO macro All exceptions are taken via interrupt gates. TRACE_IRQS_OFF is called just before entering the C code, so the irq state is known to the irq tracer at this point. No need to call trace_hardirqs_fixup. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 9c0ac0cab013..9f487f374c72 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -658,7 +658,6 @@ asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ info.si_errno = 0; \ info.si_code = sicode; \ info.si_addr = (void __user *)siaddr; \ - trace_hardirqs_fixup(); \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ return; \ -- GitLab From 8b1c870f19849235b8c7e4dfe2ec6b0d691fa9d7 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:05 +0200 Subject: [PATCH 4176/6244] traps: x86_64: remove trace_hardirqs_fixup from int3 handler All exceptions are taken via interrupt gates. TRACE_IRQS_OFF is called just before entering the C code, so the irq state is known to the irq tracer at this point. No need to call trace_hardirqs_fixup. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 9f487f374c72..7d56c875dd03 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -861,8 +861,6 @@ void restart_nmi(void) /* runs on IST stack. */ asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { - trace_hardirqs_fixup(); - if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; -- GitLab From a491503e4d0cb739f409069826e2746e38826099 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:06 +0200 Subject: [PATCH 4177/6244] traps: x86_64: remove trace_hardirqs_fixup from debug handler All exceptions are taken via interrupt gates. TRACE_IRQS_OFF is called just before entering the C code, so the irq state is known to the irq tracer at this point. No need to call trace_hardirqs_fixup. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 7d56c875dd03..7d59559c2dff 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -899,8 +899,6 @@ asmlinkage void __kprobes do_debug(struct pt_regs *regs, unsigned long condition; siginfo_t info; - trace_hardirqs_fixup(); - get_debugreg(condition, 6); /* -- GitLab From 69c89b5bf7f253756f3056e84b8603abe1c50f5b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:07 +0200 Subject: [PATCH 4178/6244] traps: x86: remove trace_hardirqs_fixup from pagefault handler The last use of trace_hardirqs_fixup is unnecessary, because the trap is taken with interrupt off on i386 as well as x86_64, and the irq-tracer is notified of this from the assembly code. trace_hardirqs_fixup and trace_hardirqs_fixup_flags are removed from include/asm-x86/irqflags.h as they are no longer used. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/mm/fault.c | 5 ----- include/asm-x86/irqflags.h | 21 --------------------- 2 files changed, 26 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index a742d753d5b0..3f2b8962cbd0 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -592,11 +592,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) unsigned long flags; #endif - /* - * We can fault from pretty much anywhere, with unknown IRQ state. - */ - trace_hardirqs_fixup(); - tsk = current; mm = tsk->mm; prefetchw(&mm->mmap_sem); diff --git a/include/asm-x86/irqflags.h b/include/asm-x86/irqflags.h index 424acb48cd61..2bdab21f0898 100644 --- a/include/asm-x86/irqflags.h +++ b/include/asm-x86/irqflags.h @@ -166,27 +166,6 @@ static inline int raw_irqs_disabled(void) return raw_irqs_disabled_flags(flags); } -/* - * makes the traced hardirq state match with the machine state - * - * should be a rarely used function, only in places where its - * otherwise impossible to know the irq state, like in traps. - */ -static inline void trace_hardirqs_fixup_flags(unsigned long flags) -{ - if (raw_irqs_disabled_flags(flags)) - trace_hardirqs_off(); - else - trace_hardirqs_on(); -} - -static inline void trace_hardirqs_fixup(void) -{ - unsigned long flags = __raw_local_save_flags(); - - trace_hardirqs_fixup_flags(flags); -} - #else #ifdef CONFIG_X86_64 -- GitLab From 3c1326f8a6d8b9815ca88c95441330f96eef7352 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 26 Sep 2008 14:03:08 +0200 Subject: [PATCH 4179/6244] traps: i386: make do_trap more like x86_64 This patch hardcodes which traps should be forwarded to handle_vm86_trap in do_trap. This allows to remove the vm86 parameter from the i386-version of do_trap, which makes the DO_VM86_ERROR and DO_VM86_ERROR_INFO macros unnecessary. x86_64 part is whitespace only. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 55 +++++++++++--------------------------- arch/x86/kernel/traps_64.c | 2 +- 2 files changed, 17 insertions(+), 40 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index ab5593650899..bf4d71231d40 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -482,13 +482,17 @@ die_if_kernel(const char *str, struct pt_regs *regs, long err) } static void __kprobes -do_trap(int trapnr, int signr, char *str, int vm86, struct pt_regs *regs, +do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, long error_code, siginfo_t *info) { struct task_struct *tsk = current; if (regs->flags & X86_VM_MASK) { - if (vm86) + /* + * traps 0, 1, 3, 4, and 5 should be forwarded to vm86. + * On nmi (interrupt 2), do_trap should not be called. + */ + if (trapnr < 6) goto vm86_trap; goto trap_signal; } @@ -537,37 +541,10 @@ void do_##name(struct pt_regs *regs, long error_code) \ == NOTIFY_STOP) \ return; \ conditional_sti(regs); \ - do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \ -} - -#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr, irq) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - siginfo_t info; \ - if (irq) \ - local_irq_enable(); \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void __user *)siaddr; \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - conditional_sti(regs); \ - do_trap(trapnr, signr, str, 0, regs, error_code, &info); \ -} - -#define DO_VM86_ERROR(trapnr, signr, str, name) \ -void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - conditional_sti(regs); \ - do_trap(trapnr, signr, str, 1, regs, error_code, NULL); \ + do_trap(trapnr, signr, str, regs, error_code, NULL); \ } -#define DO_VM86_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ +#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ @@ -579,18 +556,18 @@ void do_##name(struct pt_regs *regs, long error_code) \ == NOTIFY_STOP) \ return; \ conditional_sti(regs); \ - do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ + do_trap(trapnr, signr, str, regs, error_code, &info); \ } -DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) -DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow) -DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) +DO_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) +DO_ERROR(4, SIGSEGV, "overflow", overflow) +DO_ERROR(5, SIGSEGV, "bounds", bounds) +DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) +DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) void __kprobes do_general_protection(struct pt_regs *regs, long error_code) @@ -868,7 +845,7 @@ void __kprobes do_int3(struct pt_regs *regs, long error_code) return; #endif - do_trap(3, SIGTRAP, "int3", 1, regs, error_code, NULL); + do_trap(3, SIGTRAP, "int3", regs, error_code, NULL); } /* @@ -1214,7 +1191,7 @@ void do_iret_error(struct pt_regs *regs, long error_code) if (notify_die(DIE_TRAP, "iret exception", regs, error_code, 32, SIGILL) == NOTIFY_STOP) return; - do_trap(32, SIGILL, "iret exception", 0, regs, error_code, &info); + do_trap(32, SIGILL, "iret exception", regs, error_code, &info); } void __init trap_init(void) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 7d59559c2dff..1efd1ea64663 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -640,7 +640,7 @@ kernel_trap: return; } -#define DO_ERROR(trapnr, signr, str, name) \ +#define DO_ERROR(trapnr, signr, str, name) \ asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ -- GitLab From 9b658f6f8bd30b91aec527325e398771511ea61b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 25 Sep 2008 22:22:12 -0700 Subject: [PATCH 4180/6244] x86: cleanup, remove extra ifdef also change two functions to static. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irqinit_64.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index b01d9549b3d4..5b5be9d43c2a 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -164,7 +164,7 @@ void __init init_ISA_irqs(void) void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ"))); -void __init smp_intr_init(void) +static void __init smp_intr_init(void) { #ifdef CONFIG_SMP /* @@ -195,11 +195,9 @@ void __init smp_intr_init(void) #endif } -void __init apic_intr_init(void) +static void __init apic_intr_init(void) { -#ifdef CONFIG_SMP smp_intr_init(); -#endif alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); -- GitLab From d2f904bb9a1ba88a58a03612abd8c6c54bdaf73a Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Thu, 25 Sep 2008 07:52:10 -0500 Subject: [PATCH 4181/6244] x86, uv: fix for size of hub mappings Fix the size of the mappings of UV hub registers. Size must be a function of the maximum node number within the SSI. Signed-off-by: Jack Steiner Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index ae2ffc8a400c..8cf4ec2a37d9 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -286,12 +286,13 @@ static __init void map_low_mmrs(void) enum map_type {map_wb, map_uc}; -static __init void map_high(char *id, unsigned long base, int shift, enum map_type map_type) +static __init void map_high(char *id, unsigned long base, int shift, + int max_pnode, enum map_type map_type) { unsigned long bytes, paddr; paddr = base << shift; - bytes = (1UL << shift); + bytes = (1UL << shift) * (max_pnode + 1); printk(KERN_INFO "UV: Map %s_HI 0x%lx - 0x%lx\n", id, paddr, paddr + bytes); if (map_type == map_uc) @@ -307,7 +308,7 @@ static __init void map_gru_high(int max_pnode) gru.v = uv_read_local_mmr(UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR); if (gru.s.enable) - map_high("GRU", gru.s.base, shift, map_wb); + map_high("GRU", gru.s.base, shift, max_pnode, map_wb); } static __init void map_config_high(int max_pnode) @@ -317,7 +318,7 @@ static __init void map_config_high(int max_pnode) cfg.v = uv_read_local_mmr(UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR); if (cfg.s.enable) - map_high("CONFIG", cfg.s.base, shift, map_uc); + map_high("CONFIG", cfg.s.base, shift, max_pnode, map_uc); } static __init void map_mmr_high(int max_pnode) @@ -327,7 +328,7 @@ static __init void map_mmr_high(int max_pnode) mmr.v = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR); if (mmr.s.enable) - map_high("MMR", mmr.s.base, shift, map_uc); + map_high("MMR", mmr.s.base, shift, max_pnode, map_uc); } static __init void map_mmioh_high(int max_pnode) @@ -337,7 +338,7 @@ static __init void map_mmioh_high(int max_pnode) mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR); if (mmioh.s.enable) - map_high("MMIOH", mmioh.s.base, shift, map_uc); + map_high("MMIOH", mmioh.s.base, shift, max_pnode, map_uc); } static __init void uv_rtc_init(void) -- GitLab From 69d45dd1c3bb512a9f5f9c464ac625eb707669ec Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Sun, 28 Sep 2008 21:28:15 +0200 Subject: [PATCH 4182/6244] x86: merge winchip-2 and winchip-2a cpu choices The Winchip-2 and Winchip-2A cpu choices select the same options for kernel and compiler. Merge them to save few bytes and reduce confusion. Signed-off-by: Krzysztof Helt Acked-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.cpu | 27 +++++++++------------------ arch/x86/Makefile_32.cpu | 1 - arch/x86/configs/i386_defconfig | 1 - arch/x86/configs/x86_64_defconfig | 1 - include/asm-x86/module.h | 2 -- 5 files changed, 9 insertions(+), 23 deletions(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index c5f101360520..f4bdc0492d38 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -38,8 +38,7 @@ config M386 - "Crusoe" for the Transmeta Crusoe series. - "Efficeon" for the Transmeta Efficeon series. - "Winchip-C6" for original IDT Winchip. - - "Winchip-2" for IDT Winchip 2. - - "Winchip-2A" for IDT Winchips with 3dNow! capabilities. + - "Winchip-2" for IDT Winchips with 3dNow! capabilities. - "GeodeGX1" for Geode GX1 (Cyrix MediaGX). - "Geode GX/LX" For AMD Geode GX and LX processors. - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3. @@ -194,19 +193,11 @@ config MWINCHIPC6 treat this chip as a 586TSC with some extended instructions and alignment requirements. -config MWINCHIP2 - bool "Winchip-2" - depends on X86_32 - help - Select this for an IDT Winchip-2. Linux and GCC - treat this chip as a 586TSC with some extended instructions - and alignment requirements. - config MWINCHIP3D - bool "Winchip-2A/Winchip-3" + bool "Winchip-2/Winchip-2A/Winchip-3" depends on X86_32 help - Select this for an IDT Winchip-2A or 3. Linux and GCC + Select this for an IDT Winchip-2, 2A or 3. Linux and GCC treat this chip as a 586TSC with some extended instructions and alignment requirements. Also enable out of order memory stores for this CPU, which can increase performance of some @@ -318,7 +309,7 @@ config X86_L1_CACHE_SHIFT int default "7" if MPENTIUM4 || X86_GENERIC || GENERIC_CPU || MPSC default "4" if X86_ELAN || M486 || M386 || MGEODEGX1 - default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX + default "5" if MWINCHIP3D || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7 config X86_XADD @@ -360,7 +351,7 @@ config X86_POPAD_OK config X86_ALIGNMENT_16 def_bool y - depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 + depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 config X86_INTEL_USERCOPY def_bool y @@ -368,7 +359,7 @@ config X86_INTEL_USERCOPY config X86_USE_PPRO_CHECKSUM def_bool y - depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 + depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 config X86_USE_3DNOW def_bool y @@ -376,7 +367,7 @@ config X86_USE_3DNOW config X86_OOSTORE def_bool y - depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR + depends on (MWINCHIP3D || MWINCHIPC6) && MTRR # # P6_NOPs are a relatively minor optimization that require a family >= @@ -396,7 +387,7 @@ config X86_P6_NOP config X86_TSC def_bool y - depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64 + depends on ((MWINCHIP3D || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64 config X86_CMPXCHG64 def_bool y @@ -417,7 +408,7 @@ config X86_MINIMUM_CPU_FAMILY config X86_DEBUGCTLMSR def_bool y - depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) + depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) menuconfig PROCESSOR_SELECT bool "Supported processor vendors" if EMBEDDED diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu index b72b4f753113..80177ec052f0 100644 --- a/arch/x86/Makefile_32.cpu +++ b/arch/x86/Makefile_32.cpu @@ -28,7 +28,6 @@ cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon) cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) -cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index ca226ca31288..52d0359719d7 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -213,7 +213,6 @@ CONFIG_M686=y # CONFIG_MCRUSOE is not set # CONFIG_MEFFICEON is not set # CONFIG_MWINCHIPC6 is not set -# CONFIG_MWINCHIP2 is not set # CONFIG_MWINCHIP3D is not set # CONFIG_MGEODEGX1 is not set # CONFIG_MGEODE_LX is not set diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig index 2c4b1c771e28..f0a03d7a7d63 100644 --- a/arch/x86/configs/x86_64_defconfig +++ b/arch/x86/configs/x86_64_defconfig @@ -210,7 +210,6 @@ CONFIG_X86_PC=y # CONFIG_MCRUSOE is not set # CONFIG_MEFFICEON is not set # CONFIG_MWINCHIPC6 is not set -# CONFIG_MWINCHIP2 is not set # CONFIG_MWINCHIP3D is not set # CONFIG_MGEODEGX1 is not set # CONFIG_MGEODE_LX is not set diff --git a/include/asm-x86/module.h b/include/asm-x86/module.h index 48dc3e0c07d9..864f2005fc1d 100644 --- a/include/asm-x86/module.h +++ b/include/asm-x86/module.h @@ -52,8 +52,6 @@ struct mod_arch_specific {}; #define MODULE_PROC_FAMILY "EFFICEON " #elif defined CONFIG_MWINCHIPC6 #define MODULE_PROC_FAMILY "WINCHIPC6 " -#elif defined CONFIG_MWINCHIP2 -#define MODULE_PROC_FAMILY "WINCHIP2 " #elif defined CONFIG_MWINCHIP3D #define MODULE_PROC_FAMILY "WINCHIP3D " #elif defined CONFIG_MCYRIXIII -- GitLab From 14adf855baefad5ac3b545be23a64e6b61d6b74a Mon Sep 17 00:00:00 2001 From: Chuck Ebbert Date: Mon, 29 Sep 2008 18:29:42 -0400 Subject: [PATCH 4183/6244] x86: move prefill_possible_map calling early, fix, V2 Commit 4a701737 ("x86: move prefill_possible_map calling early, fix") is the wrong fix: prefill_possible_map() needs to be available even when CONFIG_HOTPLUG_CPU is not set. A followon patch will do that. Fix this correctly by making prefill_possible_map() available even when CONFIG_HOTPLUG_CPU is not set. The function is needed so that the number of possible CPUs can be determined. Tested on uniprocessor machine with CPU hotplug disabled. From boot log: Before: NR_CPUS: 512, nr_cpu_ids: 512, nr_node_ids 1 After: NR_CPUS: 512, nr_cpu_ids: 1, nr_node_ids 1 Signed-off-by: Chuck Ebbert Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot.c | 62 +++++++++++++++++++-------------------- include/asm-x86/smp.h | 8 ++--- 2 files changed, 34 insertions(+), 36 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index a778e221ccfb..23913785c262 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1261,39 +1261,8 @@ void __init native_smp_cpus_done(unsigned int max_cpus) check_nmi_watchdog(); } -#ifdef CONFIG_HOTPLUG_CPU - -static void remove_siblinginfo(int cpu) -{ - int sibling; - struct cpuinfo_x86 *c = &cpu_data(cpu); - - for_each_cpu_mask_nr(sibling, per_cpu(cpu_core_map, cpu)) { - cpu_clear(cpu, per_cpu(cpu_core_map, sibling)); - /*/ - * last thread sibling in this cpu core going down - */ - if (cpus_weight(per_cpu(cpu_sibling_map, cpu)) == 1) - cpu_data(sibling).booted_cores--; - } - - for_each_cpu_mask_nr(sibling, per_cpu(cpu_sibling_map, cpu)) - cpu_clear(cpu, per_cpu(cpu_sibling_map, sibling)); - cpus_clear(per_cpu(cpu_sibling_map, cpu)); - cpus_clear(per_cpu(cpu_core_map, cpu)); - c->phys_proc_id = 0; - c->cpu_core_id = 0; - cpu_clear(cpu, cpu_sibling_setup_map); -} - static int additional_cpus __initdata = -1; -static __init int setup_additional_cpus(char *s) -{ - return s && get_option(&s, &additional_cpus) ? 0 : -EINVAL; -} -early_param("additional_cpus", setup_additional_cpus); - /* * cpu_possible_map should be static, it cannot change as cpu's * are onlined, or offlined. The reason is per-cpu data-structures @@ -1340,6 +1309,37 @@ __init void prefill_possible_map(void) nr_cpu_ids = possible; } +#ifdef CONFIG_HOTPLUG_CPU + +static void remove_siblinginfo(int cpu) +{ + int sibling; + struct cpuinfo_x86 *c = &cpu_data(cpu); + + for_each_cpu_mask_nr(sibling, per_cpu(cpu_core_map, cpu)) { + cpu_clear(cpu, per_cpu(cpu_core_map, sibling)); + /*/ + * last thread sibling in this cpu core going down + */ + if (cpus_weight(per_cpu(cpu_sibling_map, cpu)) == 1) + cpu_data(sibling).booted_cores--; + } + + for_each_cpu_mask_nr(sibling, per_cpu(cpu_sibling_map, cpu)) + cpu_clear(cpu, per_cpu(cpu_sibling_map, sibling)); + cpus_clear(per_cpu(cpu_sibling_map, cpu)); + cpus_clear(per_cpu(cpu_core_map, cpu)); + c->phys_proc_id = 0; + c->cpu_core_id = 0; + cpu_clear(cpu, cpu_sibling_setup_map); +} + +static __init int setup_additional_cpus(char *s) +{ + return s && get_option(&s, &additional_cpus) ? 0 : -EINVAL; +} +early_param("additional_cpus", setup_additional_cpus); + static void __ref remove_cpu_from_maps(int cpu) { cpu_clear(cpu, cpu_online_map); diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index 6df2615f9138..a6afc29f2dd9 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -141,6 +141,8 @@ void play_dead_common(void); void native_send_call_func_ipi(cpumask_t mask); void native_send_call_func_single_ipi(int cpu); +extern void prefill_possible_map(void); + void smp_store_cpu_info(int id); #define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu) @@ -149,15 +151,11 @@ static inline int num_booting_cpus(void) { return cpus_weight(cpu_callout_map); } -#endif /* CONFIG_SMP */ - -#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_CPU) -extern void prefill_possible_map(void); #else static inline void prefill_possible_map(void) { } -#endif +#endif /* CONFIG_SMP */ extern unsigned disabled_cpus __cpuinitdata; -- GitLab From 1e0b5d00b230ceffe1bb33284b46b8572e418423 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Mon, 29 Sep 2008 08:45:29 -0500 Subject: [PATCH 4184/6244] x86, UV: new UV genapic functions for x2apic Add functions that use the infrastructure added by the x2apic code. These functions were originally stubbed out since the UV code went into the tree prior to the x2apic code. Signed-off-by: Jack Steiner Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index 8cf4ec2a37d9..33581d94a90e 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -114,7 +114,7 @@ static void uv_send_IPI_one(int cpu, int vector) unsigned long val, apicid, lapicid; int pnode; - apicid = per_cpu(x86_cpu_to_apicid, cpu); /* ZZZ - cache node-local ? */ + apicid = per_cpu(x86_cpu_to_apicid, cpu); lapicid = apicid & 0x3f; /* ZZZ macro needed */ pnode = uv_apicid_to_pnode(apicid); val = @@ -202,12 +202,10 @@ static unsigned int phys_pkg_id(int index_msb) return uv_read_apic_id() >> index_msb; } -#ifdef ZZZ /* Needs x2apic patch */ static void uv_send_IPI_self(int vector) { apic_write(APIC_SELF_IPI, vector); } -#endif struct genapic apic_x2apic_uv_x = { .name = "UV large system", @@ -215,15 +213,15 @@ struct genapic apic_x2apic_uv_x = { .int_delivery_mode = dest_Fixed, .int_dest_mode = (APIC_DEST_PHYSICAL != 0), .target_cpus = uv_target_cpus, - .vector_allocation_domain = uv_vector_allocation_domain,/* Fixme ZZZ */ + .vector_allocation_domain = uv_vector_allocation_domain, .apic_id_registered = uv_apic_id_registered, .init_apic_ldr = uv_init_apic_ldr, .send_IPI_all = uv_send_IPI_all, .send_IPI_allbutself = uv_send_IPI_allbutself, .send_IPI_mask = uv_send_IPI_mask, - /* ZZZ.send_IPI_self = uv_send_IPI_self, */ + .send_IPI_self = uv_send_IPI_self, .cpu_mask_to_apicid = uv_cpu_mask_to_apicid, - .phys_pkg_id = phys_pkg_id, /* Fixme ZZZ */ + .phys_pkg_id = phys_pkg_id, .get_apic_id = get_apic_id, .set_apic_id = set_apic_id, .apic_id_mask = (0xFFFFFFFFu), -- GitLab From e2ce07c8042975e52df4cec1f41faf15b83f2e42 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Thu, 3 Apr 2008 16:40:48 +0300 Subject: [PATCH 4185/6244] x86: __show_registers() and __show_regs() API unification Currently the low-level function to dump user-passed registers on i386 is called __show_registers() whereas on x86-64 it's called __show_regs(). Unify the API to simplify porting of kmemcheck to x86-64. Signed-off-by: Pekka Enberg Acked-by: Vegard Nossum Signed-off-by: Ingo Molnar --- arch/x86/kernel/process_32.c | 4 ++-- arch/x86/kernel/process_64.c | 7 +++++-- arch/x86/kernel/traps_32.c | 2 +- arch/x86/kernel/traps_64.c | 2 +- include/asm-x86/kdebug.h | 3 +-- 5 files changed, 10 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 922c14058f97..0a1302fe6d45 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -123,7 +123,7 @@ void cpu_idle(void) } } -void __show_registers(struct pt_regs *regs, int all) +void __show_regs(struct pt_regs *regs, int all) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; unsigned long d0, d1, d2, d3, d6, d7; @@ -189,7 +189,7 @@ void __show_registers(struct pt_regs *regs, int all) void show_regs(struct pt_regs *regs) { - __show_registers(regs, 1); + __show_regs(regs, 1); show_trace(NULL, regs, ®s->sp, regs->bp); } diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ca80394ef5b8..cd8c0ed02b7e 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -136,7 +136,7 @@ void cpu_idle(void) } /* Prints also some state that isn't saved in the pt_regs */ -void __show_regs(struct pt_regs *regs) +void __show_regs(struct pt_regs *regs, int all) { unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs; unsigned long d0, d1, d2, d3, d6, d7; @@ -175,6 +175,9 @@ void __show_regs(struct pt_regs *regs) rdmsrl(MSR_GS_BASE, gs); rdmsrl(MSR_KERNEL_GS_BASE, shadowgs); + if (!all) + return; + cr0 = read_cr0(); cr2 = read_cr2(); cr3 = read_cr3(); @@ -200,7 +203,7 @@ void __show_regs(struct pt_regs *regs) void show_regs(struct pt_regs *regs) { printk(KERN_INFO "CPU %d:", smp_processor_id()); - __show_regs(regs); + __show_regs(regs, 1); show_trace(NULL, regs, (void *)(regs + 1), regs->bp); } diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index bf4d71231d40..4f0831593e32 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -319,7 +319,7 @@ void show_registers(struct pt_regs *regs) int i; print_modules(); - __show_registers(regs, 0); + __show_regs(regs, 0); printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", TASK_COMM_LEN, current->comm, task_pid_nr(current), diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 1efd1ea64663..729157ee4c17 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -430,7 +430,7 @@ void show_registers(struct pt_regs *regs) sp = regs->sp; printk("CPU %d ", cpu); - __show_regs(regs); + __show_regs(regs, 1); printk("Process %s (pid: %d, threadinfo %p, task %p)\n", cur->comm, cur->pid, task_thread_info(cur), cur); diff --git a/include/asm-x86/kdebug.h b/include/asm-x86/kdebug.h index 5ec3ad3e825c..fbbab66ee9df 100644 --- a/include/asm-x86/kdebug.h +++ b/include/asm-x86/kdebug.h @@ -27,10 +27,9 @@ extern void printk_address(unsigned long address, int reliable); extern void die(const char *, struct pt_regs *,long); extern int __must_check __die(const char *, struct pt_regs *, long); extern void show_registers(struct pt_regs *regs); -extern void __show_registers(struct pt_regs *, int all); extern void show_trace(struct task_struct *t, struct pt_regs *regs, unsigned long *sp, unsigned long bp); -extern void __show_regs(struct pt_regs *regs); +extern void __show_regs(struct pt_regs *regs, int all); extern void show_regs(struct pt_regs *regs); extern unsigned long oops_begin(void); extern void oops_end(unsigned long, struct pt_regs *, int signr); -- GitLab From 94f6bac1058fd59a8bd472d18c4b77f220d930b0 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Tue, 30 Sep 2008 23:17:51 +0200 Subject: [PATCH 4186/6244] x86: do not allow to optimize flag_is_changeable_p() (rev. 2) The flag_is_changeable_p() is used by has_cpuid_p() which can return different results in the code sequence below: if (!have_cpuid_p()) identify_cpu_without_cpuid(c); /* cyrix could have cpuid enabled via c_identify()*/ if (!have_cpuid_p()) return; Otherwise, the gcc 3.4.6 optimizes these two calls into one which make the code not working correctly. Cyrix cpus have the CPUID instruction enabled before the second call to the have_cpuid_p() but it is not detected due to the gcc optimization. Thus the ARR registers (mtrr like) are not detected on such a cpu. Signed-off-by: Krzysztof Helt Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/common.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index f1af71851919..25581dcb280e 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -124,18 +124,25 @@ static inline int flag_is_changeable_p(u32 flag) { u32 f1, f2; - asm("pushfl\n\t" - "pushfl\n\t" - "popl %0\n\t" - "movl %0,%1\n\t" - "xorl %2,%0\n\t" - "pushl %0\n\t" - "popfl\n\t" - "pushfl\n\t" - "popl %0\n\t" - "popfl\n\t" - : "=&r" (f1), "=&r" (f2) - : "ir" (flag)); + /* + * Cyrix and IDT cpus allow disabling of CPUID + * so the code below may return different results + * when it is executed before and after enabling + * the CPUID. Add "volatile" to not allow gcc to + * optimize the subsequent calls to this function. + */ + asm volatile ("pushfl\n\t" + "pushfl\n\t" + "popl %0\n\t" + "movl %0,%1\n\t" + "xorl %2,%0\n\t" + "pushl %0\n\t" + "popfl\n\t" + "pushfl\n\t" + "popl %0\n\t" + "popfl\n\t" + : "=&r" (f1), "=&r" (f2) + : "ir" (flag)); return ((f1^f2) & flag) != 0; } -- GitLab From 7f2f49a58283110083a7358d2d98025a11653373 Mon Sep 17 00:00:00 2001 From: Chuck Ebbert Date: Thu, 2 Oct 2008 15:30:07 -0400 Subject: [PATCH 4187/6244] x86: allow number of additional hotplug CPUs to be set at compile time, V2 x86: allow number of additional hotplug CPUs to be set at compile time, V2 The default number of additional CPU IDs for hotplugging is determined by asking ACPI or mptables how many "disabled" CPUs there are in the system, but many systems get this wrong so that e.g. a uniprocessor machine gets an extra CPU allocated and never switches to single CPU mode. And sometimes CPU hotplugging is enabled only for suspend/hibernate anyway, so the additional CPU IDs are not wanted. Allow the number to be set to zero at compile time. Also, force the number of extra CPUs to zero if hotplugging is disabled which allows removing some conditional code. Tested on uniprocessor x86_64 that ACPI claims has a disabled processor, with CPU hotplugging configured. ("After" has the number of additional CPUs set to 0) Before: NR_CPUS: 512, nr_cpu_ids: 2, nr_node_ids 1 After: NR_CPUS: 512, nr_cpu_ids: 1, nr_node_ids 1 [Changed the name of the option and the prompt according to Ingo's suggestion.] Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 18 ++++++++++++++++++ arch/x86/kernel/smpboot.c | 2 +- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index fc8351f374fd..adaca6fa927d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1438,6 +1438,24 @@ config HOTPLUG_CPU automatically on SMP systems. ) Say N if you want to disable CPU hotplug. +config HOTPLUG_RESTRICT_TO_BOOTUP_CPUS + def_bool n + prompt "Restrict CPU hotplugging to processors found during boot" if HOTPLUG_CPU + ---help--- + Say no here to use the default, which allows as many CPUs as are marked + "disabled" by ACPI or MPTABLES to be hotplugged after bootup. + + Say yes if you do not want to allow CPUs to be added after booting, for + example if you only need CPU hotplugging enabled for suspend/resume. + + If CPU_HOTPLUG is enabled this value may be overridden at boot time + with the "additional_cpus" kernel parameter. + +config HOTPLUG_ADDITIONAL_CPUS + int + default 0 if !HOTPLUG_CPU || HOTPLUG_RESTRICT_TO_BOOTUP_CPUS + default -1 + config COMPAT_VDSO def_bool y prompt "Compat VDSO support" diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 23913785c262..857a88bb9195 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1261,7 +1261,7 @@ void __init native_smp_cpus_done(unsigned int max_cpus) check_nmi_watchdog(); } -static int additional_cpus __initdata = -1; +static int additional_cpus __initdata = CONFIG_HOTPLUG_ADDITIONAL_CPUS; /* * cpu_possible_map should be static, it cannot change as cpu's -- GitLab From af5c2bd16ac2e5688c3bf46ea1f95112d696d294 Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Fri, 3 Oct 2008 17:54:25 +0200 Subject: [PATCH 4188/6244] x86: fix virt_addr_valid() with CONFIG_DEBUG_VIRTUAL=y, v2 virt_addr_valid() calls __pa(), which calls __phys_addr(). With CONFIG_DEBUG_VIRTUAL=y, __phys_addr() will kill the kernel if the address *isn't* valid. That's clearly wrong for virt_addr_valid(). We also incorporate the debugging checks into virt_addr_valid(). Signed-off-by: Vegard Nossum Acked-by: Jiri Slaby Signed-off-by: Ingo Molnar --- arch/x86/kernel/doublefault_32.c | 2 +- arch/x86/mm/ioremap.c | 36 ++++++++++++++++++++++++++++++-- include/asm-x86/page.h | 8 ++++++- include/asm-x86/page_32.h | 4 ++-- 4 files changed, 44 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c index 395acb12b0d1..b4f14c6c09d9 100644 --- a/arch/x86/kernel/doublefault_32.c +++ b/arch/x86/kernel/doublefault_32.c @@ -66,6 +66,6 @@ struct tss_struct doublefault_tss __cacheline_aligned = { .ds = __USER_DS, .fs = __KERNEL_PERCPU, - .__cr3 = __phys_addr_const((unsigned long)swapper_pg_dir) + .__cr3 = __pa_nodebug(swapper_pg_dir), } }; diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 7fb737c6b54f..8876220d906b 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -45,6 +45,27 @@ unsigned long __phys_addr(unsigned long x) } EXPORT_SYMBOL(__phys_addr); +bool __virt_addr_valid(unsigned long x) +{ + if (x >= __START_KERNEL_map) { + x -= __START_KERNEL_map; + if (x >= KERNEL_IMAGE_SIZE) + return false; + x += phys_base; + } else { + if (x < PAGE_OFFSET) + return false; + x -= PAGE_OFFSET; + if (system_state == SYSTEM_BOOTING ? + x > MAXMEM : !phys_addr_valid(x)) { + return false; + } + } + + return pfn_valid(x >> PAGE_SHIFT); +} +EXPORT_SYMBOL(__virt_addr_valid); + #else static inline int phys_addr_valid(unsigned long addr) @@ -56,13 +77,24 @@ static inline int phys_addr_valid(unsigned long addr) unsigned long __phys_addr(unsigned long x) { /* VMALLOC_* aren't constants; not available at the boot time */ - VIRTUAL_BUG_ON(x < PAGE_OFFSET || (system_state != SYSTEM_BOOTING && - is_vmalloc_addr((void *)x))); + VIRTUAL_BUG_ON(x < PAGE_OFFSET); + VIRTUAL_BUG_ON(system_state != SYSTEM_BOOTING && + is_vmalloc_addr((void *) x)); return x - PAGE_OFFSET; } EXPORT_SYMBOL(__phys_addr); #endif +bool __virt_addr_valid(unsigned long x) +{ + if (x < PAGE_OFFSET) + return false; + if (system_state != SYSTEM_BOOTING && is_vmalloc_addr((void *) x)) + return false; + return pfn_valid((x - PAGE_OFFSET) >> PAGE_SHIFT); +} +EXPORT_SYMBOL(__virt_addr_valid); + #endif int page_is_ram(unsigned long pagenr) diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index c91574776751..d4f1d5791fc1 100644 --- a/include/asm-x86/page.h +++ b/include/asm-x86/page.h @@ -179,6 +179,7 @@ static inline pteval_t native_pte_flags(pte_t pte) #endif /* CONFIG_PARAVIRT */ #define __pa(x) __phys_addr((unsigned long)(x)) +#define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x)) /* __pa_symbol should be used for C visible symbols. This seems to be the official gcc blessed way to do such arithmetic. */ #define __pa_symbol(x) __pa(__phys_reloc_hide((unsigned long)(x))) @@ -188,9 +189,14 @@ static inline pteval_t native_pte_flags(pte_t pte) #define __boot_va(x) __va(x) #define __boot_pa(x) __pa(x) +/* + * virt_to_page(kaddr) returns a valid pointer if and only if + * virt_addr_valid(kaddr) returns true. + */ #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) +extern bool __virt_addr_valid(unsigned long kaddr); +#define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr)) #endif /* __ASSEMBLY__ */ diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index 9c5a737a9af9..5d6a68a1067a 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -73,11 +73,11 @@ typedef struct page *pgtable_t; #endif #ifndef __ASSEMBLY__ -#define __phys_addr_const(x) ((x) - PAGE_OFFSET) +#define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) #ifdef CONFIG_DEBUG_VIRTUAL extern unsigned long __phys_addr(unsigned long); #else -#define __phys_addr(x) ((x) - PAGE_OFFSET) +#define __phys_addr(x) __phys_addr_nodebug(x) #endif #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) -- GitLab From 2bc5f927d489f9e47b6fa71f323b653e8ec81782 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 13:12:14 +0200 Subject: [PATCH 4189/6244] i386: split out dumpstack code from traps_32.c The dumpstack code is logically quite independent from the hardware traps. Split it out into its own file. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/dumpstack_32.c | 422 +++++++++++++++++++++++++++++++++ arch/x86/kernel/traps_32.c | 404 ------------------------------- 3 files changed, 423 insertions(+), 405 deletions(-) create mode 100644 arch/x86/kernel/dumpstack_32.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 5098585f87ce..d5bde5d8c2b6 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -28,7 +28,7 @@ obj-y += time_$(BITS).o ioport.o ldt.o obj-y += setup.o i8259.o irqinit_$(BITS).o setup_percpu.o obj-$(CONFIG_X86_VISWS) += visws_quirks.o obj-$(CONFIG_X86_32) += probe_roms_32.o -obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o +obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o dumpstack_32.o obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o obj-y += bootflag.o e820.o diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c new file mode 100644 index 000000000000..c398b27df6cd --- /dev/null +++ b/arch/x86/kernel/dumpstack_32.c @@ -0,0 +1,422 @@ +/* + * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +int panic_on_unrecovered_nmi; +int kstack_depth_to_print = 24; +static unsigned int code_bytes = 64; +static int die_counter; + +void printk_address(unsigned long address, int reliable) +{ +#ifdef CONFIG_KALLSYMS + unsigned long offset = 0; + unsigned long symsize; + const char *symname; + char *modname; + char *delim = ":"; + char namebuf[KSYM_NAME_LEN]; + char reliab[4] = ""; + + symname = kallsyms_lookup(address, &symsize, &offset, + &modname, namebuf); + if (!symname) { + printk(" [<%08lx>]\n", address); + return; + } + if (!reliable) + strcpy(reliab, "? "); + + if (!modname) + modname = delim = ""; + printk(" [<%08lx>] %s%s%s%s%s+0x%lx/0x%lx\n", + address, reliab, delim, modname, delim, symname, offset, symsize); +#else + printk(" [<%08lx>]\n", address); +#endif +} + +static inline int valid_stack_ptr(struct thread_info *tinfo, + void *p, unsigned int size) +{ + void *t = tinfo; + return p > t && p <= t + THREAD_SIZE - size; +} + +/* The form of the top of the frame on the stack */ +struct stack_frame { + struct stack_frame *next_frame; + unsigned long return_address; +}; + +static inline unsigned long +print_context_stack(struct thread_info *tinfo, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data) +{ + struct stack_frame *frame = (struct stack_frame *)bp; + + while (valid_stack_ptr(tinfo, stack, sizeof(*stack))) { + unsigned long addr; + + addr = *stack; + if (__kernel_text_address(addr)) { + if ((unsigned long) stack == bp + 4) { + ops->address(data, addr, 1); + frame = frame->next_frame; + bp = (unsigned long) frame; + } else { + ops->address(data, addr, bp == 0); + } + } + stack++; + } + return bp; +} + +void dump_trace(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data) +{ + if (!task) + task = current; + + if (!stack) { + unsigned long dummy; + stack = &dummy; + if (task != current) + stack = (unsigned long *)task->thread.sp; + } + +#ifdef CONFIG_FRAME_POINTER + if (!bp) { + if (task == current) { + /* Grab bp right from our regs */ + asm("movl %%ebp, %0" : "=r" (bp) :); + } else { + /* bp is the last reg pushed by switch_to */ + bp = *(unsigned long *) task->thread.sp; + } + } +#endif + + for (;;) { + struct thread_info *context; + + context = (struct thread_info *) + ((unsigned long)stack & (~(THREAD_SIZE - 1))); + bp = print_context_stack(context, stack, bp, ops, data); + /* + * Should be after the line below, but somewhere + * in early boot context comes out corrupted and we + * can't reference it: + */ + if (ops->stack(data, "IRQ") < 0) + break; + stack = (unsigned long *)context->previous_esp; + if (!stack) + break; + touch_nmi_watchdog(); + } +} +EXPORT_SYMBOL(dump_trace); + +static void +print_trace_warning_symbol(void *data, char *msg, unsigned long symbol) +{ + printk(data); + print_symbol(msg, symbol); + printk("\n"); +} + +static void print_trace_warning(void *data, char *msg) +{ + printk("%s%s\n", (char *)data, msg); +} + +static int print_trace_stack(void *data, char *name) +{ + return 0; +} + +/* + * Print one address/symbol entries per line. + */ +static void print_trace_address(void *data, unsigned long addr, int reliable) +{ + printk("%s [<%08lx>] ", (char *)data, addr); + if (!reliable) + printk("? "); + print_symbol("%s\n", addr); + touch_nmi_watchdog(); +} + +static const struct stacktrace_ops print_trace_ops = { + .warning = print_trace_warning, + .warning_symbol = print_trace_warning_symbol, + .stack = print_trace_stack, + .address = print_trace_address, +}; + +static void +show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp, char *log_lvl) +{ + dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); + printk("%s =======================\n", log_lvl); +} + +void show_trace(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp) +{ + show_trace_log_lvl(task, regs, stack, bp, ""); +} + +static void +show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *sp, unsigned long bp, char *log_lvl) +{ + unsigned long *stack; + int i; + + if (sp == NULL) { + if (task) + sp = (unsigned long *)task->thread.sp; + else + sp = (unsigned long *)&sp; + } + + stack = sp; + for (i = 0; i < kstack_depth_to_print; i++) { + if (kstack_end(stack)) + break; + if (i && ((i % 8) == 0)) + printk("\n%s ", log_lvl); + printk("%08lx ", *stack++); + } + printk("\n%sCall Trace:\n", log_lvl); + + show_trace_log_lvl(task, regs, sp, bp, log_lvl); +} + +void show_stack(struct task_struct *task, unsigned long *sp) +{ + printk(" "); + show_stack_log_lvl(task, NULL, sp, 0, ""); +} + +/* + * The architecture-independent dump_stack generator + */ +void dump_stack(void) +{ + unsigned long bp = 0; + unsigned long stack; + +#ifdef CONFIG_FRAME_POINTER + if (!bp) + asm("movl %%ebp, %0" : "=r" (bp):); +#endif + + printk("Pid: %d, comm: %.20s %s %s %.*s\n", + current->pid, current->comm, print_tainted(), + init_utsname()->release, + (int)strcspn(init_utsname()->version, " "), + init_utsname()->version); + + show_trace(current, NULL, &stack, bp); +} + +EXPORT_SYMBOL(dump_stack); + +void show_registers(struct pt_regs *regs) +{ + int i; + + print_modules(); + __show_regs(regs, 0); + + printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", + TASK_COMM_LEN, current->comm, task_pid_nr(current), + current_thread_info(), current, task_thread_info(current)); + /* + * When in-kernel, we also print out the stack and code at the + * time of the fault.. + */ + if (!user_mode_vm(regs)) { + unsigned int code_prologue = code_bytes * 43 / 64; + unsigned int code_len = code_bytes; + unsigned char c; + u8 *ip; + + printk("\n" KERN_EMERG "Stack: "); + show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG); + + printk(KERN_EMERG "Code: "); + + ip = (u8 *)regs->ip - code_prologue; + if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { + /* try starting at EIP */ + ip = (u8 *)regs->ip; + code_len = code_len - code_prologue + 1; + } + for (i = 0; i < code_len; i++, ip++) { + if (ip < (u8 *)PAGE_OFFSET || + probe_kernel_address(ip, c)) { + printk(" Bad EIP value."); + break; + } + if (ip == (u8 *)regs->ip) + printk("<%02x> ", c); + else + printk("%02x ", c); + } + } + printk("\n"); +} + +int is_valid_bugaddr(unsigned long ip) +{ + unsigned short ud2; + + if (ip < PAGE_OFFSET) + return 0; + if (probe_kernel_address((unsigned short *)ip, ud2)) + return 0; + + return ud2 == 0x0b0f; +} + +static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED; +static int die_owner = -1; +static unsigned int die_nest_count; + +unsigned __kprobes long oops_begin(void) +{ + unsigned long flags; + + oops_enter(); + + if (die_owner != raw_smp_processor_id()) { + console_verbose(); + raw_local_irq_save(flags); + __raw_spin_lock(&die_lock); + die_owner = smp_processor_id(); + die_nest_count = 0; + bust_spinlocks(1); + } else { + raw_local_irq_save(flags); + } + die_nest_count++; + return flags; +} + +void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) +{ + bust_spinlocks(0); + die_owner = -1; + add_taint(TAINT_DIE); + __raw_spin_unlock(&die_lock); + raw_local_irq_restore(flags); + + if (!regs) + return; + + if (kexec_should_crash(current)) + crash_kexec(regs); + + if (in_interrupt()) + panic("Fatal exception in interrupt"); + + if (panic_on_oops) + panic("Fatal exception"); + + oops_exit(); + do_exit(signr); +} + +int __kprobes __die(const char *str, struct pt_regs *regs, long err) +{ + unsigned short ss; + unsigned long sp; + + printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); +#ifdef CONFIG_PREEMPT + printk("PREEMPT "); +#endif +#ifdef CONFIG_SMP + printk("SMP "); +#endif +#ifdef CONFIG_DEBUG_PAGEALLOC + printk("DEBUG_PAGEALLOC"); +#endif + printk("\n"); + if (notify_die(DIE_OOPS, str, regs, err, + current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) + return 1; + + show_registers(regs); + /* Executive summary in case the oops scrolled away */ + sp = (unsigned long) (®s->sp); + savesegment(ss, ss); + if (user_mode(regs)) { + sp = regs->sp; + ss = regs->ss & 0xffff; + } + printk(KERN_EMERG "EIP: [<%08lx>] ", regs->ip); + print_symbol("%s", regs->ip); + printk(" SS:ESP %04x:%08lx\n", ss, sp); + return 0; +} + +/* + * This is gone through when something in the kernel has done something bad + * and is about to be terminated: + */ +void die(const char *str, struct pt_regs *regs, long err) +{ + unsigned long flags = oops_begin(); + + if (die_nest_count < 3) { + report_bug(regs->ip, regs); + + if (__die(str, regs, err)) + regs = NULL; + } else { + printk(KERN_EMERG "Recursive die() failure, output suppressed\n"); + } + + oops_end(flags, regs, SIGSEGV); +} + +static int __init kstack_setup(char *s) +{ + kstack_depth_to_print = simple_strtoul(s, NULL, 0); + + return 1; +} +__setup("kstack=", kstack_setup); + +static int __init code_bytes_setup(char *s) +{ + code_bytes = simple_strtoul(s, NULL, 0); + if (code_bytes > 8192) + code_bytes = 8192; + + return 1; +} +__setup("code_bytes=", code_bytes_setup); diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 4f0831593e32..ce1063c141fc 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -80,11 +80,7 @@ char ignore_fpu_irq; gate_desc idt_table[256] __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, }; -int panic_on_unrecovered_nmi; -int kstack_depth_to_print = 24; -static unsigned int code_bytes = 64; static int ignore_nmis; -static int die_counter; static inline void conditional_sti(struct pt_regs *regs) { @@ -92,388 +88,6 @@ static inline void conditional_sti(struct pt_regs *regs) local_irq_enable(); } -void printk_address(unsigned long address, int reliable) -{ -#ifdef CONFIG_KALLSYMS - unsigned long offset = 0; - unsigned long symsize; - const char *symname; - char *modname; - char *delim = ":"; - char namebuf[KSYM_NAME_LEN]; - char reliab[4] = ""; - - symname = kallsyms_lookup(address, &symsize, &offset, - &modname, namebuf); - if (!symname) { - printk(" [<%08lx>]\n", address); - return; - } - if (!reliable) - strcpy(reliab, "? "); - - if (!modname) - modname = delim = ""; - printk(" [<%08lx>] %s%s%s%s%s+0x%lx/0x%lx\n", - address, reliab, delim, modname, delim, symname, offset, symsize); -#else - printk(" [<%08lx>]\n", address); -#endif -} - -static inline int valid_stack_ptr(struct thread_info *tinfo, - void *p, unsigned int size) -{ - void *t = tinfo; - return p > t && p <= t + THREAD_SIZE - size; -} - -/* The form of the top of the frame on the stack */ -struct stack_frame { - struct stack_frame *next_frame; - unsigned long return_address; -}; - -static inline unsigned long -print_context_stack(struct thread_info *tinfo, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data) -{ - struct stack_frame *frame = (struct stack_frame *)bp; - - while (valid_stack_ptr(tinfo, stack, sizeof(*stack))) { - unsigned long addr; - - addr = *stack; - if (__kernel_text_address(addr)) { - if ((unsigned long) stack == bp + 4) { - ops->address(data, addr, 1); - frame = frame->next_frame; - bp = (unsigned long) frame; - } else { - ops->address(data, addr, bp == 0); - } - } - stack++; - } - return bp; -} - -void dump_trace(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data) -{ - if (!task) - task = current; - - if (!stack) { - unsigned long dummy; - stack = &dummy; - if (task != current) - stack = (unsigned long *)task->thread.sp; - } - -#ifdef CONFIG_FRAME_POINTER - if (!bp) { - if (task == current) { - /* Grab bp right from our regs */ - asm("movl %%ebp, %0" : "=r" (bp) :); - } else { - /* bp is the last reg pushed by switch_to */ - bp = *(unsigned long *) task->thread.sp; - } - } -#endif - - for (;;) { - struct thread_info *context; - - context = (struct thread_info *) - ((unsigned long)stack & (~(THREAD_SIZE - 1))); - bp = print_context_stack(context, stack, bp, ops, data); - /* - * Should be after the line below, but somewhere - * in early boot context comes out corrupted and we - * can't reference it: - */ - if (ops->stack(data, "IRQ") < 0) - break; - stack = (unsigned long *)context->previous_esp; - if (!stack) - break; - touch_nmi_watchdog(); - } -} -EXPORT_SYMBOL(dump_trace); - -static void -print_trace_warning_symbol(void *data, char *msg, unsigned long symbol) -{ - printk(data); - print_symbol(msg, symbol); - printk("\n"); -} - -static void print_trace_warning(void *data, char *msg) -{ - printk("%s%s\n", (char *)data, msg); -} - -static int print_trace_stack(void *data, char *name) -{ - return 0; -} - -/* - * Print one address/symbol entries per line. - */ -static void print_trace_address(void *data, unsigned long addr, int reliable) -{ - printk("%s [<%08lx>] ", (char *)data, addr); - if (!reliable) - printk("? "); - print_symbol("%s\n", addr); - touch_nmi_watchdog(); -} - -static const struct stacktrace_ops print_trace_ops = { - .warning = print_trace_warning, - .warning_symbol = print_trace_warning_symbol, - .stack = print_trace_stack, - .address = print_trace_address, -}; - -static void -show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp, char *log_lvl) -{ - dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); - printk("%s =======================\n", log_lvl); -} - -void show_trace(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp) -{ - show_trace_log_lvl(task, regs, stack, bp, ""); -} - -static void -show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *sp, unsigned long bp, char *log_lvl) -{ - unsigned long *stack; - int i; - - if (sp == NULL) { - if (task) - sp = (unsigned long *)task->thread.sp; - else - sp = (unsigned long *)&sp; - } - - stack = sp; - for (i = 0; i < kstack_depth_to_print; i++) { - if (kstack_end(stack)) - break; - if (i && ((i % 8) == 0)) - printk("\n%s ", log_lvl); - printk("%08lx ", *stack++); - } - printk("\n%sCall Trace:\n", log_lvl); - - show_trace_log_lvl(task, regs, sp, bp, log_lvl); -} - -void show_stack(struct task_struct *task, unsigned long *sp) -{ - printk(" "); - show_stack_log_lvl(task, NULL, sp, 0, ""); -} - -/* - * The architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - unsigned long bp = 0; - unsigned long stack; - -#ifdef CONFIG_FRAME_POINTER - if (!bp) - asm("movl %%ebp, %0" : "=r" (bp):); -#endif - - printk("Pid: %d, comm: %.20s %s %s %.*s\n", - current->pid, current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); - - show_trace(current, NULL, &stack, bp); -} - -EXPORT_SYMBOL(dump_stack); - -void show_registers(struct pt_regs *regs) -{ - int i; - - print_modules(); - __show_regs(regs, 0); - - printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", - TASK_COMM_LEN, current->comm, task_pid_nr(current), - current_thread_info(), current, task_thread_info(current)); - /* - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ - if (!user_mode_vm(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; - - printk("\n" KERN_EMERG "Stack: "); - show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG); - - printk(KERN_EMERG "Code: "); - - ip = (u8 *)regs->ip - code_prologue; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at EIP */ - ip = (u8 *)regs->ip; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { - if (ip < (u8 *)PAGE_OFFSET || - probe_kernel_address(ip, c)) { - printk(" Bad EIP value."); - break; - } - if (ip == (u8 *)regs->ip) - printk("<%02x> ", c); - else - printk("%02x ", c); - } - } - printk("\n"); -} - -int is_valid_bugaddr(unsigned long ip) -{ - unsigned short ud2; - - if (ip < PAGE_OFFSET) - return 0; - if (probe_kernel_address((unsigned short *)ip, ud2)) - return 0; - - return ud2 == 0x0b0f; -} - -static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED; -static int die_owner = -1; -static unsigned int die_nest_count; - -unsigned __kprobes long oops_begin(void) -{ - unsigned long flags; - - oops_enter(); - - if (die_owner != raw_smp_processor_id()) { - console_verbose(); - raw_local_irq_save(flags); - __raw_spin_lock(&die_lock); - die_owner = smp_processor_id(); - die_nest_count = 0; - bust_spinlocks(1); - } else { - raw_local_irq_save(flags); - } - die_nest_count++; - return flags; -} - -void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) -{ - bust_spinlocks(0); - die_owner = -1; - add_taint(TAINT_DIE); - __raw_spin_unlock(&die_lock); - raw_local_irq_restore(flags); - - if (!regs) - return; - - if (kexec_should_crash(current)) - crash_kexec(regs); - - if (in_interrupt()) - panic("Fatal exception in interrupt"); - - if (panic_on_oops) - panic("Fatal exception"); - - oops_exit(); - do_exit(signr); -} - -int __kprobes __die(const char *str, struct pt_regs *regs, long err) -{ - unsigned short ss; - unsigned long sp; - - printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); -#ifdef CONFIG_PREEMPT - printk("PREEMPT "); -#endif -#ifdef CONFIG_SMP - printk("SMP "); -#endif -#ifdef CONFIG_DEBUG_PAGEALLOC - printk("DEBUG_PAGEALLOC"); -#endif - printk("\n"); - if (notify_die(DIE_OOPS, str, regs, err, - current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) - return 1; - - show_registers(regs); - /* Executive summary in case the oops scrolled away */ - sp = (unsigned long) (®s->sp); - savesegment(ss, ss); - if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; - } - printk(KERN_EMERG "EIP: [<%08lx>] ", regs->ip); - print_symbol("%s", regs->ip); - printk(" SS:ESP %04x:%08lx\n", ss, sp); - return 0; -} - -/* - * This is gone through when something in the kernel has done something bad - * and is about to be terminated: - */ -void die(const char *str, struct pt_regs *regs, long err) -{ - unsigned long flags = oops_begin(); - - if (die_nest_count < 3) { - report_bug(regs->ip, regs); - - if (__die(str, regs, err)) - regs = NULL; - } else { - printk(KERN_EMERG "Recursive die() failure, output suppressed\n"); - } - - oops_end(flags, regs, SIGSEGV); -} - static inline void die_if_kernel(const char *str, struct pt_regs *regs, long err) { @@ -1256,21 +870,3 @@ void __init trap_init(void) trap_init_hook(); } - -static int __init kstack_setup(char *s) -{ - kstack_depth_to_print = simple_strtoul(s, NULL, 0); - - return 1; -} -__setup("kstack=", kstack_setup); - -static int __init code_bytes_setup(char *s) -{ - code_bytes = simple_strtoul(s, NULL, 0); - if (code_bytes > 8192) - code_bytes = 8192; - - return 1; -} -__setup("code_bytes=", code_bytes_setup); -- GitLab From 6fcbede3fdfbd83d8de97296286f5a9ff5a8f371 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 13:12:15 +0200 Subject: [PATCH 4190/6244] x86_64: split out dumpstack code from traps_64.c The dumpstack code is logically quite independent from the hardware traps. Split it out into its own file. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 4 +- arch/x86/kernel/dumpstack_64.c | 565 +++++++++++++++++++++++++++++++++ arch/x86/kernel/traps_64.c | 545 ------------------------------- 3 files changed, 567 insertions(+), 547 deletions(-) create mode 100644 arch/x86/kernel/dumpstack_64.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index d5bde5d8c2b6..de63fed9fae8 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -23,12 +23,12 @@ CFLAGS_hpet.o := $(nostackp) CFLAGS_tsc.o := $(nostackp) obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o -obj-y += traps_$(BITS).o irq_$(BITS).o +obj-y += traps_$(BITS).o irq_$(BITS).o dumpstack_$(BITS).o obj-y += time_$(BITS).o ioport.o ldt.o obj-y += setup.o i8259.o irqinit_$(BITS).o setup_percpu.o obj-$(CONFIG_X86_VISWS) += visws_quirks.o obj-$(CONFIG_X86_32) += probe_roms_32.o -obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o dumpstack_32.o +obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o obj-y += bootflag.o e820.o diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c new file mode 100644 index 000000000000..6f1505074db0 --- /dev/null +++ b/arch/x86/kernel/dumpstack_64.c @@ -0,0 +1,565 @@ +/* + * Copyright (C) 1991, 1992 Linus Torvalds + * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +int panic_on_unrecovered_nmi; +int kstack_depth_to_print = 12; +static unsigned int code_bytes = 64; +static int die_counter; + +void printk_address(unsigned long address, int reliable) +{ + printk(" [<%016lx>] %s%pS\n", + address, reliable ? "" : "? ", (void *) address); +} + +static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, + unsigned *usedp, char **idp) +{ + static char ids[][8] = { + [DEBUG_STACK - 1] = "#DB", + [NMI_STACK - 1] = "NMI", + [DOUBLEFAULT_STACK - 1] = "#DF", + [STACKFAULT_STACK - 1] = "#SS", + [MCE_STACK - 1] = "#MC", +#if DEBUG_STKSZ > EXCEPTION_STKSZ + [N_EXCEPTION_STACKS ... + N_EXCEPTION_STACKS + DEBUG_STKSZ / EXCEPTION_STKSZ - 2] = "#DB[?]" +#endif + }; + unsigned k; + + /* + * Iterate over all exception stacks, and figure out whether + * 'stack' is in one of them: + */ + for (k = 0; k < N_EXCEPTION_STACKS; k++) { + unsigned long end = per_cpu(orig_ist, cpu).ist[k]; + /* + * Is 'stack' above this exception frame's end? + * If yes then skip to the next frame. + */ + if (stack >= end) + continue; + /* + * Is 'stack' above this exception frame's start address? + * If yes then we found the right frame. + */ + if (stack >= end - EXCEPTION_STKSZ) { + /* + * Make sure we only iterate through an exception + * stack once. If it comes up for the second time + * then there's something wrong going on - just + * break out and return NULL: + */ + if (*usedp & (1U << k)) + break; + *usedp |= 1U << k; + *idp = ids[k]; + return (unsigned long *)end; + } + /* + * If this is a debug stack, and if it has a larger size than + * the usual exception stacks, then 'stack' might still + * be within the lower portion of the debug stack: + */ +#if DEBUG_STKSZ > EXCEPTION_STKSZ + if (k == DEBUG_STACK - 1 && stack >= end - DEBUG_STKSZ) { + unsigned j = N_EXCEPTION_STACKS - 1; + + /* + * Black magic. A large debug stack is composed of + * multiple exception stack entries, which we + * iterate through now. Dont look: + */ + do { + ++j; + end -= EXCEPTION_STKSZ; + ids[j][4] = '1' + (j - N_EXCEPTION_STACKS); + } while (stack < end - EXCEPTION_STKSZ); + if (*usedp & (1U << j)) + break; + *usedp |= 1U << j; + *idp = ids[j]; + return (unsigned long *)end; + } +#endif + } + return NULL; +} + +/* + * x86-64 can have up to three kernel stacks: + * process stack + * interrupt stack + * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack + */ + +static inline int valid_stack_ptr(struct thread_info *tinfo, + void *p, unsigned int size, void *end) +{ + void *t = tinfo; + if (end) { + if (p < end && p >= (end-THREAD_SIZE)) + return 1; + else + return 0; + } + return p > t && p < t + THREAD_SIZE - size; +} + +/* The form of the top of the frame on the stack */ +struct stack_frame { + struct stack_frame *next_frame; + unsigned long return_address; +}; + +static inline unsigned long +print_context_stack(struct thread_info *tinfo, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data, + unsigned long *end) +{ + struct stack_frame *frame = (struct stack_frame *)bp; + + while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { + unsigned long addr; + + addr = *stack; + if (__kernel_text_address(addr)) { + if ((unsigned long) stack == bp + 8) { + ops->address(data, addr, 1); + frame = frame->next_frame; + bp = (unsigned long) frame; + } else { + ops->address(data, addr, bp == 0); + } + } + stack++; + } + return bp; +} + +void dump_trace(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp, + const struct stacktrace_ops *ops, void *data) +{ + const unsigned cpu = get_cpu(); + unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; + unsigned used = 0; + struct thread_info *tinfo; + + if (!task) + task = current; + + if (!stack) { + unsigned long dummy; + stack = &dummy; + if (task && task != current) + stack = (unsigned long *)task->thread.sp; + } + +#ifdef CONFIG_FRAME_POINTER + if (!bp) { + if (task == current) { + /* Grab bp right from our regs */ + asm("movq %%rbp, %0" : "=r" (bp) : ); + } else { + /* bp is the last reg pushed by switch_to */ + bp = *(unsigned long *) task->thread.sp; + } + } +#endif + + /* + * Print function call entries in all stacks, starting at the + * current stack address. If the stacks consist of nested + * exceptions + */ + tinfo = task_thread_info(task); + for (;;) { + char *id; + unsigned long *estack_end; + estack_end = in_exception_stack(cpu, (unsigned long)stack, + &used, &id); + + if (estack_end) { + if (ops->stack(data, id) < 0) + break; + + bp = print_context_stack(tinfo, stack, bp, ops, + data, estack_end); + ops->stack(data, ""); + /* + * We link to the next stack via the + * second-to-last pointer (index -2 to end) in the + * exception stack: + */ + stack = (unsigned long *) estack_end[-2]; + continue; + } + if (irqstack_end) { + unsigned long *irqstack; + irqstack = irqstack_end - + (IRQSTACKSIZE - 64) / sizeof(*irqstack); + + if (stack >= irqstack && stack < irqstack_end) { + if (ops->stack(data, "IRQ") < 0) + break; + bp = print_context_stack(tinfo, stack, bp, + ops, data, irqstack_end); + /* + * We link to the next stack (which would be + * the process stack normally) the last + * pointer (index -1 to end) in the IRQ stack: + */ + stack = (unsigned long *) (irqstack_end[-1]); + irqstack_end = NULL; + ops->stack(data, "EOI"); + continue; + } + } + break; + } + + /* + * This handles the process stack: + */ + bp = print_context_stack(tinfo, stack, bp, ops, data, NULL); + put_cpu(); +} +EXPORT_SYMBOL(dump_trace); + +static void +print_trace_warning_symbol(void *data, char *msg, unsigned long symbol) +{ + print_symbol(msg, symbol); + printk("\n"); +} + +static void print_trace_warning(void *data, char *msg) +{ + printk("%s\n", msg); +} + +static int print_trace_stack(void *data, char *name) +{ + printk(" <%s> ", name); + return 0; +} + +static void print_trace_address(void *data, unsigned long addr, int reliable) +{ + touch_nmi_watchdog(); + printk_address(addr, reliable); +} + +static const struct stacktrace_ops print_trace_ops = { + .warning = print_trace_warning, + .warning_symbol = print_trace_warning_symbol, + .stack = print_trace_stack, + .address = print_trace_address, +}; + +static void +show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp, char *log_lvl) +{ + printk("Call Trace:\n"); + dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); +} + +void show_trace(struct task_struct *task, struct pt_regs *regs, + unsigned long *stack, unsigned long bp) +{ + show_trace_log_lvl(task, regs, stack, bp, ""); +} + +static void +show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, + unsigned long *sp, unsigned long bp, char *log_lvl) +{ + unsigned long *stack; + int i; + const int cpu = smp_processor_id(); + unsigned long *irqstack_end = + (unsigned long *) (cpu_pda(cpu)->irqstackptr); + unsigned long *irqstack = + (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); + + /* + * debugging aid: "show_stack(NULL, NULL);" prints the + * back trace for this cpu. + */ + + if (sp == NULL) { + if (task) + sp = (unsigned long *)task->thread.sp; + else + sp = (unsigned long *)&sp; + } + + stack = sp; + for (i = 0; i < kstack_depth_to_print; i++) { + if (stack >= irqstack && stack <= irqstack_end) { + if (stack == irqstack_end) { + stack = (unsigned long *) (irqstack_end[-1]); + printk(" "); + } + } else { + if (((long) stack & (THREAD_SIZE-1)) == 0) + break; + } + if (i && ((i % 4) == 0)) + printk("\n"); + printk(" %016lx", *stack++); + touch_nmi_watchdog(); + } + printk("\n"); + show_trace_log_lvl(task, regs, sp, bp, log_lvl); +} + +void show_stack(struct task_struct *task, unsigned long *sp) +{ + show_stack_log_lvl(task, NULL, sp, 0, ""); +} + +/* + * The architecture-independent dump_stack generator + */ +void dump_stack(void) +{ + unsigned long bp = 0; + unsigned long stack; + +#ifdef CONFIG_FRAME_POINTER + if (!bp) + asm("movq %%rbp, %0" : "=r" (bp) : ); +#endif + + printk("Pid: %d, comm: %.20s %s %s %.*s\n", + current->pid, current->comm, print_tainted(), + init_utsname()->release, + (int)strcspn(init_utsname()->version, " "), + init_utsname()->version); + show_trace(NULL, NULL, &stack, bp); +} +EXPORT_SYMBOL(dump_stack); + +void show_registers(struct pt_regs *regs) +{ + int i; + unsigned long sp; + const int cpu = smp_processor_id(); + struct task_struct *cur = cpu_pda(cpu)->pcurrent; + + sp = regs->sp; + printk("CPU %d ", cpu); + __show_regs(regs, 1); + printk("Process %s (pid: %d, threadinfo %p, task %p)\n", + cur->comm, cur->pid, task_thread_info(cur), cur); + + /* + * When in-kernel, we also print out the stack and code at the + * time of the fault.. + */ + if (!user_mode(regs)) { + unsigned int code_prologue = code_bytes * 43 / 64; + unsigned int code_len = code_bytes; + unsigned char c; + u8 *ip; + + printk("Stack: "); + show_stack_log_lvl(NULL, regs, (unsigned long *)sp, + regs->bp, ""); + + printk(KERN_EMERG "Code: "); + + ip = (u8 *)regs->ip - code_prologue; + if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { + /* try starting at RIP */ + ip = (u8 *)regs->ip; + code_len = code_len - code_prologue + 1; + } + for (i = 0; i < code_len; i++, ip++) { + if (ip < (u8 *)PAGE_OFFSET || + probe_kernel_address(ip, c)) { + printk(" Bad RIP value."); + break; + } + if (ip == (u8 *)regs->ip) + printk("<%02x> ", c); + else + printk("%02x ", c); + } + } + printk("\n"); +} + +int is_valid_bugaddr(unsigned long ip) +{ + unsigned short ud2; + + if (__copy_from_user(&ud2, (const void __user *) ip, sizeof(ud2))) + return 0; + + return ud2 == 0x0b0f; +} + +static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED; +static int die_owner = -1; +static unsigned int die_nest_count; + +unsigned __kprobes long oops_begin(void) +{ + int cpu; + unsigned long flags; + + oops_enter(); + + /* racy, but better than risking deadlock. */ + raw_local_irq_save(flags); + cpu = smp_processor_id(); + if (!__raw_spin_trylock(&die_lock)) { + if (cpu == die_owner) + /* nested oops. should stop eventually */; + else + __raw_spin_lock(&die_lock); + } + die_nest_count++; + die_owner = cpu; + console_verbose(); + bust_spinlocks(1); + return flags; +} + +void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) +{ + die_owner = -1; + bust_spinlocks(0); + die_nest_count--; + if (!die_nest_count) + /* Nest count reaches zero, release the lock. */ + __raw_spin_unlock(&die_lock); + raw_local_irq_restore(flags); + if (!regs) { + oops_exit(); + return; + } + if (in_interrupt()) + panic("Fatal exception in interrupt"); + if (panic_on_oops) + panic("Fatal exception"); + oops_exit(); + do_exit(signr); +} + +int __kprobes __die(const char *str, struct pt_regs *regs, long err) +{ + printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff, ++die_counter); +#ifdef CONFIG_PREEMPT + printk("PREEMPT "); +#endif +#ifdef CONFIG_SMP + printk("SMP "); +#endif +#ifdef CONFIG_DEBUG_PAGEALLOC + printk("DEBUG_PAGEALLOC"); +#endif + printk("\n"); + if (notify_die(DIE_OOPS, str, regs, err, + current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) + return 1; + + show_registers(regs); + add_taint(TAINT_DIE); + /* Executive summary in case the oops scrolled away */ + printk(KERN_ALERT "RIP "); + printk_address(regs->ip, 1); + printk(" RSP <%016lx>\n", regs->sp); + if (kexec_should_crash(current)) + crash_kexec(regs); + return 0; +} + +void die(const char *str, struct pt_regs *regs, long err) +{ + unsigned long flags = oops_begin(); + + if (!user_mode(regs)) + report_bug(regs->ip, regs); + + if (__die(str, regs, err)) + regs = NULL; + oops_end(flags, regs, SIGSEGV); +} + +notrace __kprobes void +die_nmi(char *str, struct pt_regs *regs, int do_panic) +{ + unsigned long flags; + + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) + return; + + flags = oops_begin(); + /* + * We are in trouble anyway, lets at least try + * to get a message out. + */ + printk(KERN_EMERG "%s", str); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->ip); + show_registers(regs); + if (kexec_should_crash(current)) + crash_kexec(regs); + if (do_panic || panic_on_oops) + panic("Non maskable interrupt"); + oops_end(flags, NULL, SIGBUS); + nmi_exit(); + local_irq_enable(); + do_exit(SIGBUS); +} + +static int __init oops_setup(char *s) +{ + if (!s) + return -EINVAL; + if (!strcmp(s, "panic")) + panic_on_oops = 1; + return 0; +} +early_param("oops", oops_setup); + +static int __init kstack_setup(char *s) +{ + if (!s) + return -EINVAL; + kstack_depth_to_print = simple_strtoul(s, NULL, 0); + return 0; +} +early_param("kstack", kstack_setup); + +static int __init code_bytes_setup(char *s) +{ + code_bytes = simple_strtoul(s, NULL, 0); + if (code_bytes > 8192) + code_bytes = 8192; + + return 1; +} +__setup("code_bytes=", code_bytes_setup); diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 729157ee4c17..1cd61ddd90be 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -54,11 +54,7 @@ #include -int panic_on_unrecovered_nmi; -int kstack_depth_to_print = 12; -static unsigned int code_bytes = 64; static int ignore_nmis; -static int die_counter; static inline void conditional_sti(struct pt_regs *regs) { @@ -82,518 +78,6 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) dec_preempt_count(); } -void printk_address(unsigned long address, int reliable) -{ - printk(" [<%016lx>] %s%pS\n", - address, reliable ? "" : "? ", (void *) address); -} - -static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, - unsigned *usedp, char **idp) -{ - static char ids[][8] = { - [DEBUG_STACK - 1] = "#DB", - [NMI_STACK - 1] = "NMI", - [DOUBLEFAULT_STACK - 1] = "#DF", - [STACKFAULT_STACK - 1] = "#SS", - [MCE_STACK - 1] = "#MC", -#if DEBUG_STKSZ > EXCEPTION_STKSZ - [N_EXCEPTION_STACKS ... - N_EXCEPTION_STACKS + DEBUG_STKSZ / EXCEPTION_STKSZ - 2] = "#DB[?]" -#endif - }; - unsigned k; - - /* - * Iterate over all exception stacks, and figure out whether - * 'stack' is in one of them: - */ - for (k = 0; k < N_EXCEPTION_STACKS; k++) { - unsigned long end = per_cpu(orig_ist, cpu).ist[k]; - /* - * Is 'stack' above this exception frame's end? - * If yes then skip to the next frame. - */ - if (stack >= end) - continue; - /* - * Is 'stack' above this exception frame's start address? - * If yes then we found the right frame. - */ - if (stack >= end - EXCEPTION_STKSZ) { - /* - * Make sure we only iterate through an exception - * stack once. If it comes up for the second time - * then there's something wrong going on - just - * break out and return NULL: - */ - if (*usedp & (1U << k)) - break; - *usedp |= 1U << k; - *idp = ids[k]; - return (unsigned long *)end; - } - /* - * If this is a debug stack, and if it has a larger size than - * the usual exception stacks, then 'stack' might still - * be within the lower portion of the debug stack: - */ -#if DEBUG_STKSZ > EXCEPTION_STKSZ - if (k == DEBUG_STACK - 1 && stack >= end - DEBUG_STKSZ) { - unsigned j = N_EXCEPTION_STACKS - 1; - - /* - * Black magic. A large debug stack is composed of - * multiple exception stack entries, which we - * iterate through now. Dont look: - */ - do { - ++j; - end -= EXCEPTION_STKSZ; - ids[j][4] = '1' + (j - N_EXCEPTION_STACKS); - } while (stack < end - EXCEPTION_STKSZ); - if (*usedp & (1U << j)) - break; - *usedp |= 1U << j; - *idp = ids[j]; - return (unsigned long *)end; - } -#endif - } - return NULL; -} - -/* - * x86-64 can have up to three kernel stacks: - * process stack - * interrupt stack - * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack - */ - -static inline int valid_stack_ptr(struct thread_info *tinfo, - void *p, unsigned int size, void *end) -{ - void *t = tinfo; - if (end) { - if (p < end && p >= (end-THREAD_SIZE)) - return 1; - else - return 0; - } - return p > t && p < t + THREAD_SIZE - size; -} - -/* The form of the top of the frame on the stack */ -struct stack_frame { - struct stack_frame *next_frame; - unsigned long return_address; -}; - -static inline unsigned long -print_context_stack(struct thread_info *tinfo, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end) -{ - struct stack_frame *frame = (struct stack_frame *)bp; - - while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { - unsigned long addr; - - addr = *stack; - if (__kernel_text_address(addr)) { - if ((unsigned long) stack == bp + 8) { - ops->address(data, addr, 1); - frame = frame->next_frame; - bp = (unsigned long) frame; - } else { - ops->address(data, addr, bp == 0); - } - } - stack++; - } - return bp; -} - -void dump_trace(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data) -{ - const unsigned cpu = get_cpu(); - unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; - unsigned used = 0; - struct thread_info *tinfo; - - if (!task) - task = current; - - if (!stack) { - unsigned long dummy; - stack = &dummy; - if (task && task != current) - stack = (unsigned long *)task->thread.sp; - } - -#ifdef CONFIG_FRAME_POINTER - if (!bp) { - if (task == current) { - /* Grab bp right from our regs */ - asm("movq %%rbp, %0" : "=r" (bp) : ); - } else { - /* bp is the last reg pushed by switch_to */ - bp = *(unsigned long *) task->thread.sp; - } - } -#endif - - /* - * Print function call entries in all stacks, starting at the - * current stack address. If the stacks consist of nested - * exceptions - */ - tinfo = task_thread_info(task); - for (;;) { - char *id; - unsigned long *estack_end; - estack_end = in_exception_stack(cpu, (unsigned long)stack, - &used, &id); - - if (estack_end) { - if (ops->stack(data, id) < 0) - break; - - bp = print_context_stack(tinfo, stack, bp, ops, - data, estack_end); - ops->stack(data, ""); - /* - * We link to the next stack via the - * second-to-last pointer (index -2 to end) in the - * exception stack: - */ - stack = (unsigned long *) estack_end[-2]; - continue; - } - if (irqstack_end) { - unsigned long *irqstack; - irqstack = irqstack_end - - (IRQSTACKSIZE - 64) / sizeof(*irqstack); - - if (stack >= irqstack && stack < irqstack_end) { - if (ops->stack(data, "IRQ") < 0) - break; - bp = print_context_stack(tinfo, stack, bp, - ops, data, irqstack_end); - /* - * We link to the next stack (which would be - * the process stack normally) the last - * pointer (index -1 to end) in the IRQ stack: - */ - stack = (unsigned long *) (irqstack_end[-1]); - irqstack_end = NULL; - ops->stack(data, "EOI"); - continue; - } - } - break; - } - - /* - * This handles the process stack: - */ - bp = print_context_stack(tinfo, stack, bp, ops, data, NULL); - put_cpu(); -} -EXPORT_SYMBOL(dump_trace); - -static void -print_trace_warning_symbol(void *data, char *msg, unsigned long symbol) -{ - print_symbol(msg, symbol); - printk("\n"); -} - -static void print_trace_warning(void *data, char *msg) -{ - printk("%s\n", msg); -} - -static int print_trace_stack(void *data, char *name) -{ - printk(" <%s> ", name); - return 0; -} - -static void print_trace_address(void *data, unsigned long addr, int reliable) -{ - touch_nmi_watchdog(); - printk_address(addr, reliable); -} - -static const struct stacktrace_ops print_trace_ops = { - .warning = print_trace_warning, - .warning_symbol = print_trace_warning_symbol, - .stack = print_trace_stack, - .address = print_trace_address, -}; - -static void -show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp, char *log_lvl) -{ - printk("Call Trace:\n"); - dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); -} - -void show_trace(struct task_struct *task, struct pt_regs *regs, - unsigned long *stack, unsigned long bp) -{ - show_trace_log_lvl(task, regs, stack, bp, ""); -} - -static void -show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *sp, unsigned long bp, char *log_lvl) -{ - unsigned long *stack; - int i; - const int cpu = smp_processor_id(); - unsigned long *irqstack_end = - (unsigned long *) (cpu_pda(cpu)->irqstackptr); - unsigned long *irqstack = - (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); - - /* - * debugging aid: "show_stack(NULL, NULL);" prints the - * back trace for this cpu. - */ - - if (sp == NULL) { - if (task) - sp = (unsigned long *)task->thread.sp; - else - sp = (unsigned long *)&sp; - } - - stack = sp; - for (i = 0; i < kstack_depth_to_print; i++) { - if (stack >= irqstack && stack <= irqstack_end) { - if (stack == irqstack_end) { - stack = (unsigned long *) (irqstack_end[-1]); - printk(" "); - } - } else { - if (((long) stack & (THREAD_SIZE-1)) == 0) - break; - } - if (i && ((i % 4) == 0)) - printk("\n"); - printk(" %016lx", *stack++); - touch_nmi_watchdog(); - } - printk("\n"); - show_trace_log_lvl(task, regs, sp, bp, log_lvl); -} - -void show_stack(struct task_struct *task, unsigned long *sp) -{ - show_stack_log_lvl(task, NULL, sp, 0, ""); -} - -/* - * The architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - unsigned long bp = 0; - unsigned long stack; - -#ifdef CONFIG_FRAME_POINTER - if (!bp) - asm("movq %%rbp, %0" : "=r" (bp) : ); -#endif - - printk("Pid: %d, comm: %.20s %s %s %.*s\n", - current->pid, current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); - show_trace(NULL, NULL, &stack, bp); -} -EXPORT_SYMBOL(dump_stack); - -void show_registers(struct pt_regs *regs) -{ - int i; - unsigned long sp; - const int cpu = smp_processor_id(); - struct task_struct *cur = cpu_pda(cpu)->pcurrent; - - sp = regs->sp; - printk("CPU %d ", cpu); - __show_regs(regs, 1); - printk("Process %s (pid: %d, threadinfo %p, task %p)\n", - cur->comm, cur->pid, task_thread_info(cur), cur); - - /* - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ - if (!user_mode(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; - - printk("Stack: "); - show_stack_log_lvl(NULL, regs, (unsigned long *)sp, - regs->bp, ""); - - printk(KERN_EMERG "Code: "); - - ip = (u8 *)regs->ip - code_prologue; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at RIP */ - ip = (u8 *)regs->ip; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { - if (ip < (u8 *)PAGE_OFFSET || - probe_kernel_address(ip, c)) { - printk(" Bad RIP value."); - break; - } - if (ip == (u8 *)regs->ip) - printk("<%02x> ", c); - else - printk("%02x ", c); - } - } - printk("\n"); -} - -int is_valid_bugaddr(unsigned long ip) -{ - unsigned short ud2; - - if (__copy_from_user(&ud2, (const void __user *) ip, sizeof(ud2))) - return 0; - - return ud2 == 0x0b0f; -} - -static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED; -static int die_owner = -1; -static unsigned int die_nest_count; - -unsigned __kprobes long oops_begin(void) -{ - int cpu; - unsigned long flags; - - oops_enter(); - - /* racy, but better than risking deadlock. */ - raw_local_irq_save(flags); - cpu = smp_processor_id(); - if (!__raw_spin_trylock(&die_lock)) { - if (cpu == die_owner) - /* nested oops. should stop eventually */; - else - __raw_spin_lock(&die_lock); - } - die_nest_count++; - die_owner = cpu; - console_verbose(); - bust_spinlocks(1); - return flags; -} - -void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) -{ - die_owner = -1; - bust_spinlocks(0); - die_nest_count--; - if (!die_nest_count) - /* Nest count reaches zero, release the lock. */ - __raw_spin_unlock(&die_lock); - raw_local_irq_restore(flags); - if (!regs) { - oops_exit(); - return; - } - if (panic_on_oops) - panic("Fatal exception"); - oops_exit(); - do_exit(signr); -} - -int __kprobes __die(const char *str, struct pt_regs *regs, long err) -{ - printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff, ++die_counter); -#ifdef CONFIG_PREEMPT - printk("PREEMPT "); -#endif -#ifdef CONFIG_SMP - printk("SMP "); -#endif -#ifdef CONFIG_DEBUG_PAGEALLOC - printk("DEBUG_PAGEALLOC"); -#endif - printk("\n"); - if (notify_die(DIE_OOPS, str, regs, err, - current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) - return 1; - - show_registers(regs); - add_taint(TAINT_DIE); - /* Executive summary in case the oops scrolled away */ - printk(KERN_ALERT "RIP "); - printk_address(regs->ip, 1); - printk(" RSP <%016lx>\n", regs->sp); - if (kexec_should_crash(current)) - crash_kexec(regs); - return 0; -} - -void die(const char *str, struct pt_regs *regs, long err) -{ - unsigned long flags = oops_begin(); - - if (!user_mode(regs)) - report_bug(regs->ip, regs); - - if (__die(str, regs, err)) - regs = NULL; - oops_end(flags, regs, SIGSEGV); -} - -notrace __kprobes void -die_nmi(char *str, struct pt_regs *regs, int do_panic) -{ - unsigned long flags; - - if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) - return; - - flags = oops_begin(); - /* - * We are in trouble anyway, lets at least try - * to get a message out. - */ - printk(KERN_EMERG "%s", str); - printk(" on CPU%d, ip %08lx, registers:\n", - smp_processor_id(), regs->ip); - show_registers(regs); - if (kexec_should_crash(current)) - crash_kexec(regs); - if (do_panic || panic_on_oops) - panic("Non maskable interrupt"); - oops_end(flags, NULL, SIGBUS); - nmi_exit(); - local_irq_enable(); - do_exit(SIGBUS); -} - static void __kprobes do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, long error_code, siginfo_t *info) @@ -1178,32 +662,3 @@ void __init trap_init(void) */ cpu_init(); } - -static int __init oops_setup(char *s) -{ - if (!s) - return -EINVAL; - if (!strcmp(s, "panic")) - panic_on_oops = 1; - return 0; -} -early_param("oops", oops_setup); - -static int __init kstack_setup(char *s) -{ - if (!s) - return -EINVAL; - kstack_depth_to_print = simple_strtoul(s, NULL, 0); - return 0; -} -early_param("kstack", kstack_setup); - -static int __init code_bytes_setup(char *s) -{ - code_bytes = simple_strtoul(s, NULL, 0); - if (code_bytes > 8192) - code_bytes = 8192; - - return 1; -} -__setup("code_bytes=", code_bytes_setup); -- GitLab From a28680b4b821a262fd3b5e57a28c148b5f9e662a Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 18:41:34 +0200 Subject: [PATCH 4191/6244] x86, traps: split out math_error and simd_math_error Split out math_error from do_coprocessor_error and simd_math_error from do_simd_coprocessor_error, like on i386. While at it, add the "error_code" parameter to do_coprocessor_error, do_simd_coprocessor_error and do_spurious_interrupt_bug. This does not change the generated code, but brings the declarations in line with all the other trap handlers. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 36 +++++++++++++++++++++--------------- include/asm-x86/traps.h | 6 +++--- 2 files changed, 24 insertions(+), 18 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 1cd61ddd90be..b295ebf0cb3f 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -452,18 +452,12 @@ static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) * the correct behaviour even in the presence of the asynchronous * IRQ13 behaviour */ -asmlinkage void do_coprocessor_error(struct pt_regs *regs) +void math_error(void __user *ip) { - void __user *ip = (void __user *)(regs->ip); struct task_struct *task; siginfo_t info; unsigned short cwd, swd; - conditional_sti(regs); - if (!user_mode(regs) && - kernel_math_error(regs, "kernel x87 math error", 16)) - return; - /* * Save the info for the exception handler and clear the error. */ @@ -516,23 +510,26 @@ asmlinkage void do_coprocessor_error(struct pt_regs *regs) force_sig_info(SIGFPE, &info, task); } +asmlinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) +{ + conditional_sti(regs); + if (!user_mode(regs) && + kernel_math_error(regs, "kernel x87 math error", 16)) + return; + math_error((void __user *)regs->ip); +} + asmlinkage void bad_intr(void) { printk("bad interrupt"); } -asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs) +static void simd_math_error(void __user *ip) { - void __user *ip = (void __user *)(regs->ip); struct task_struct *task; siginfo_t info; unsigned short mxcsr; - conditional_sti(regs); - if (!user_mode(regs) && - kernel_math_error(regs, "kernel simd math error", 19)) - return; - /* * Save the info for the exception handler and clear the error. */ @@ -575,7 +572,16 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs) +asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) +{ + conditional_sti(regs); + if (!user_mode(regs) && + kernel_math_error(regs, "kernel simd math error", 19)) + return; + simd_math_error((void __user *)regs->ip); +} + +asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { } diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h index 7a692baa51ae..c82c39c7b5ea 100644 --- a/include/asm-x86/traps.h +++ b/include/asm-x86/traps.h @@ -72,9 +72,9 @@ asmlinkage void double_fault(void); asmlinkage void do_int3(struct pt_regs *, long); asmlinkage void do_stack_segment(struct pt_regs *, long); asmlinkage void do_debug(struct pt_regs *, unsigned long); -asmlinkage void do_coprocessor_error(struct pt_regs *); -asmlinkage void do_simd_coprocessor_error(struct pt_regs *); -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *); +asmlinkage void do_coprocessor_error(struct pt_regs *, long); +asmlinkage void do_simd_coprocessor_error(struct pt_regs *, long); +asmlinkage void do_spurious_interrupt_bug(struct pt_regs *, long); asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code); -- GitLab From ae82157b3d8bb4902f76b56c7450a945288786ac Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 18:41:35 +0200 Subject: [PATCH 4192/6244] x86, traps, i386: factor out lazy io-bitmap copy x86_64 does not do the lazy io-bitmap dance. Putting it in its own function makes i386's do_general_protection look much more like x86_64's. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 76 +++++++++++++++++++++----------------- 1 file changed, 43 insertions(+), 33 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index ce1063c141fc..0206c915748c 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -95,6 +95,47 @@ die_if_kernel(const char *str, struct pt_regs *regs, long err) die(str, regs, err); } +/* + * Perform the lazy TSS's I/O bitmap copy. If the TSS has an + * invalid offset set (the LAZY one) and the faulting thread has + * a valid I/O bitmap pointer, we copy the I/O bitmap in the TSS, + * we set the offset field correctly and return 1. + */ +static int lazy_iobitmap_copy(void) +{ + struct thread_struct *thread; + struct tss_struct *tss; + int cpu; + + cpu = get_cpu(); + tss = &per_cpu(init_tss, cpu); + thread = ¤t->thread; + + if (tss->x86_tss.io_bitmap_base == INVALID_IO_BITMAP_OFFSET_LAZY && + thread->io_bitmap_ptr) { + memcpy(tss->io_bitmap, thread->io_bitmap_ptr, + thread->io_bitmap_max); + /* + * If the previously set map was extending to higher ports + * than the current one, pad extra space with 0xff (no access). + */ + if (thread->io_bitmap_max < tss->io_bitmap_max) { + memset((char *) tss->io_bitmap + + thread->io_bitmap_max, 0xff, + tss->io_bitmap_max - thread->io_bitmap_max); + } + tss->io_bitmap_max = thread->io_bitmap_max; + tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; + tss->io_bitmap_owner = thread; + put_cpu(); + + return 1; + } + put_cpu(); + + return 0; +} + static void __kprobes do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, long error_code, siginfo_t *info) @@ -187,44 +228,13 @@ void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { struct task_struct *tsk; - struct thread_struct *thread; - struct tss_struct *tss; - int cpu; conditional_sti(regs); - cpu = get_cpu(); - tss = &per_cpu(init_tss, cpu); - thread = ¤t->thread; - - /* - * Perform the lazy TSS's I/O bitmap copy. If the TSS has an - * invalid offset set (the LAZY one) and the faulting thread has - * a valid I/O bitmap pointer, we copy the I/O bitmap in the TSS - * and we set the offset field correctly. Then we let the CPU to - * restart the faulting instruction. - */ - if (tss->x86_tss.io_bitmap_base == INVALID_IO_BITMAP_OFFSET_LAZY && - thread->io_bitmap_ptr) { - memcpy(tss->io_bitmap, thread->io_bitmap_ptr, - thread->io_bitmap_max); - /* - * If the previously set map was extending to higher ports - * than the current one, pad extra space with 0xff (no access). - */ - if (thread->io_bitmap_max < tss->io_bitmap_max) { - memset((char *) tss->io_bitmap + - thread->io_bitmap_max, 0xff, - tss->io_bitmap_max - thread->io_bitmap_max); - } - tss->io_bitmap_max = thread->io_bitmap_max; - tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; - tss->io_bitmap_owner = thread; - put_cpu(); - + if (lazy_iobitmap_copy()) { + /* restart the faulting instruction */ return; } - put_cpu(); if (regs->flags & X86_VM_MASK) goto gp_in_vm86; -- GitLab From e407d62088b7f61f38e1086062650c75a4f2757a Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 18:41:36 +0200 Subject: [PATCH 4193/6244] x86, traps: introduce dotraplinkage Mark the exception handlers with "dotraplinkage" to hide the calling convention differences between i386 and x86_64. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_64.S | 2 +- arch/x86/kernel/traps_32.c | 28 ++++++++------- arch/x86/kernel/traps_64.c | 31 +++++++++------- include/asm-x86/traps.h | 73 +++++++++++++++++++------------------- 4 files changed, 72 insertions(+), 62 deletions(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 977c8ea66028..1db6ce4314e1 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1243,7 +1243,7 @@ ENTRY(simd_coprocessor_error) END(simd_coprocessor_error) ENTRY(device_not_available) - zeroentry math_state_restore + zeroentry do_device_not_available END(device_not_available) /* runs on exception stack */ diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 0206c915748c..7eb1203c909d 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -190,7 +190,7 @@ vm86_trap: } #define DO_ERROR(trapnr, signr, str, name) \ -void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ @@ -200,7 +200,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ } #define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -224,7 +224,7 @@ DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) -void __kprobes +dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { struct task_struct *tsk; @@ -428,7 +428,8 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) reassert_nmi(); } -notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code) +dotraplinkage notrace __kprobes void +do_nmi(struct pt_regs *regs, long error_code) { int cpu; @@ -456,7 +457,7 @@ void restart_nmi(void) acpi_nmi_enable(); } -void __kprobes do_int3(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { #ifdef CONFIG_KPROBES if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) @@ -494,7 +495,7 @@ void __kprobes do_int3(struct pt_regs *regs, long error_code) * find every occurrence of the TF bit that could be saved away even * by user code) */ -void __kprobes do_debug(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; unsigned int condition; @@ -627,7 +628,7 @@ void math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -void do_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); ignore_fpu_irq = 1; @@ -682,7 +683,8 @@ static void simd_math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void +do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); @@ -706,7 +708,8 @@ void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) force_sig(SIGSEGV, current); } -void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) +dotraplinkage void +do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { conditional_sti(regs); #if 0 @@ -784,7 +787,8 @@ asmlinkage void math_emulate(long arg) #endif /* CONFIG_MATH_EMULATION */ -void __kprobes do_device_not_available(struct pt_regs *regs, long error) +dotraplinkage void __kprobes +do_device_not_available(struct pt_regs *regs, long error) { if (read_cr0() & X86_CR0_EM) { conditional_sti(regs); @@ -796,14 +800,14 @@ void __kprobes do_device_not_available(struct pt_regs *regs, long error) } #ifdef CONFIG_X86_MCE -void __kprobes do_machine_check(struct pt_regs *regs, long error) +dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error) { conditional_sti(regs); machine_check_vector(regs, error); } #endif -void do_iret_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) { siginfo_t info; local_irq_enable(); diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index b295ebf0cb3f..be73323ca952 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -125,7 +125,7 @@ kernel_trap: } #define DO_ERROR(trapnr, signr, str, name) \ -asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ == NOTIFY_STOP) \ @@ -135,7 +135,7 @@ asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ } #define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -asmlinkage void do_##name(struct pt_regs *regs, long error_code) \ +dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ { \ siginfo_t info; \ info.si_signo = signr; \ @@ -159,7 +159,7 @@ DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) /* Runs on IST stack */ -asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) +dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code) { if (notify_die(DIE_TRAP, "stack segment", regs, error_code, 12, SIGBUS) == NOTIFY_STOP) @@ -169,7 +169,7 @@ asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code) preempt_conditional_cli(regs); } -asmlinkage void do_double_fault(struct pt_regs *regs, long error_code) +dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) { static const char str[] = "double fault"; struct task_struct *tsk = current; @@ -186,7 +186,7 @@ asmlinkage void do_double_fault(struct pt_regs *regs, long error_code) die(str, regs, error_code); } -asmlinkage void __kprobes +dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { struct task_struct *tsk; @@ -317,7 +317,7 @@ asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs) io_check_error(reason, regs); } -asmlinkage notrace __kprobes void +dotraplinkage notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code) { nmi_enter(); @@ -343,7 +343,7 @@ void restart_nmi(void) } /* runs on IST stack. */ -asmlinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) +dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) @@ -376,8 +376,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) } /* runs on IST stack. */ -asmlinkage void __kprobes do_debug(struct pt_regs *regs, - unsigned long error_code) +dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; unsigned long condition; @@ -510,7 +509,7 @@ void math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); if (!user_mode(regs) && @@ -572,7 +571,8 @@ static void simd_math_error(void __user *ip) force_sig_info(SIGFPE, &info, task); } -asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) +dotraplinkage void +do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); if (!user_mode(regs) && @@ -581,7 +581,8 @@ asmlinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) simd_math_error((void __user *)regs->ip); } -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) +dotraplinkage void +do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { } @@ -633,6 +634,12 @@ asmlinkage void math_state_restore(void) } EXPORT_SYMBOL_GPL(math_state_restore); +dotraplinkage void __kprobes +do_device_not_available(struct pt_regs *regs, long error) +{ + math_state_restore(); +} + void __init trap_init(void) { set_intr_gate(0, ÷_error); diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h index c82c39c7b5ea..6c3dc2c65751 100644 --- a/include/asm-x86/traps.h +++ b/include/asm-x86/traps.h @@ -3,7 +3,12 @@ #include -/* Common in X86_32 and X86_64 */ +#ifdef CONFIG_X86_32 +#define dotraplinkage +#else +#define dotraplinkage asmlinkage +#endif + asmlinkage void divide_error(void); asmlinkage void debug(void); asmlinkage void nmi(void); @@ -12,31 +17,47 @@ asmlinkage void overflow(void); asmlinkage void bounds(void); asmlinkage void invalid_op(void); asmlinkage void device_not_available(void); +#ifdef CONFIG_X86_64 +asmlinkage void double_fault(void); +#endif asmlinkage void coprocessor_segment_overrun(void); asmlinkage void invalid_TSS(void); asmlinkage void segment_not_present(void); asmlinkage void stack_segment(void); asmlinkage void general_protection(void); asmlinkage void page_fault(void); +asmlinkage void spurious_interrupt_bug(void); asmlinkage void coprocessor_error(void); -asmlinkage void simd_coprocessor_error(void); asmlinkage void alignment_check(void); -asmlinkage void spurious_interrupt_bug(void); #ifdef CONFIG_X86_MCE asmlinkage void machine_check(void); #endif /* CONFIG_X86_MCE */ +asmlinkage void simd_coprocessor_error(void); -void do_divide_error(struct pt_regs *, long); -void do_overflow(struct pt_regs *, long); -void do_bounds(struct pt_regs *, long); -void do_coprocessor_segment_overrun(struct pt_regs *, long); -void do_invalid_TSS(struct pt_regs *, long); -void do_segment_not_present(struct pt_regs *, long); -void do_stack_segment(struct pt_regs *, long); -void do_alignment_check(struct pt_regs *, long); -void do_invalid_op(struct pt_regs *, long); -void do_general_protection(struct pt_regs *, long); -void do_nmi(struct pt_regs *, long); +dotraplinkage void do_divide_error(struct pt_regs *, long); +dotraplinkage void do_debug(struct pt_regs *, long); +dotraplinkage void do_nmi(struct pt_regs *, long); +dotraplinkage void do_int3(struct pt_regs *, long); +dotraplinkage void do_overflow(struct pt_regs *, long); +dotraplinkage void do_bounds(struct pt_regs *, long); +dotraplinkage void do_invalid_op(struct pt_regs *, long); +dotraplinkage void do_device_not_available(struct pt_regs *, long); +dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long); +dotraplinkage void do_invalid_TSS(struct pt_regs *, long); +dotraplinkage void do_segment_not_present(struct pt_regs *, long); +dotraplinkage void do_stack_segment(struct pt_regs *, long); +dotraplinkage void do_general_protection(struct pt_regs *, long); +dotraplinkage void do_page_fault(struct pt_regs *, unsigned long); +dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *, long); +dotraplinkage void do_coprocessor_error(struct pt_regs *, long); +dotraplinkage void do_alignment_check(struct pt_regs *, long); +#ifdef CONFIG_X86_MCE +dotraplinkage void do_machine_check(struct pt_regs *, long); +#endif +dotraplinkage void do_simd_coprocessor_error(struct pt_regs *, long); +#ifdef CONFIG_X86_32 +dotraplinkage void do_iret_error(struct pt_regs *, long); +#endif static inline int get_si_code(unsigned long condition) { @@ -52,31 +73,9 @@ extern int panic_on_unrecovered_nmi; extern int kstack_depth_to_print; #ifdef CONFIG_X86_32 - -void do_iret_error(struct pt_regs *, long); -void do_int3(struct pt_regs *, long); -void do_debug(struct pt_regs *, long); void math_error(void __user *); -void do_coprocessor_error(struct pt_regs *, long); -void do_simd_coprocessor_error(struct pt_regs *, long); -void do_spurious_interrupt_bug(struct pt_regs *, long); unsigned long patch_espfix_desc(unsigned long, unsigned long); asmlinkage void math_emulate(long); +#endif -void do_page_fault(struct pt_regs *regs, unsigned long error_code); - -#else /* CONFIG_X86_32 */ - -asmlinkage void double_fault(void); - -asmlinkage void do_int3(struct pt_regs *, long); -asmlinkage void do_stack_segment(struct pt_regs *, long); -asmlinkage void do_debug(struct pt_regs *, unsigned long); -asmlinkage void do_coprocessor_error(struct pt_regs *, long); -asmlinkage void do_simd_coprocessor_error(struct pt_regs *, long); -asmlinkage void do_spurious_interrupt_bug(struct pt_regs *, long); - -asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code); - -#endif /* CONFIG_X86_32 */ #endif /* ASM_X86__TRAPS_H */ -- GitLab From 3d2a71a596bd9c761c8487a2178e95f8a61da083 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 30 Sep 2008 18:41:37 +0200 Subject: [PATCH 4194/6244] x86, traps: converge do_debug handlers Make the x86_64-version and the i386-version of do_debug more similar. - introduce preempt_conditional_sti/cli to i386. The preempt-count is now elevated during the trap handler, like on x86_64. It does not run on a separate stack, however. - replace an open-coded "send_sigtrap" - copy some comments Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 30 +++++++++++++++++++++--------- arch/x86/kernel/traps_64.c | 17 +++++++++-------- include/asm-x86/ptrace.h | 4 ---- 3 files changed, 30 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 7eb1203c909d..953172af6e51 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -88,6 +88,20 @@ static inline void conditional_sti(struct pt_regs *regs) local_irq_enable(); } +static inline void preempt_conditional_sti(struct pt_regs *regs) +{ + inc_preempt_count(); + if (regs->flags & X86_EFLAGS_IF) + local_irq_enable(); +} + +static inline void preempt_conditional_cli(struct pt_regs *regs) +{ + if (regs->flags & X86_EFLAGS_IF) + local_irq_disable(); + dec_preempt_count(); +} + static inline void die_if_kernel(const char *str, struct pt_regs *regs, long err) { @@ -498,7 +512,7 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; - unsigned int condition; + unsigned long condition; int si_code; get_debugreg(condition, 6); @@ -512,9 +526,9 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) if (notify_die(DIE_DEBUG, "debug", regs, condition, error_code, SIGTRAP) == NOTIFY_STOP) return; + /* It's safe to allow irq's after DR6 has been saved */ - if (regs->flags & X86_EFLAGS_IF) - local_irq_enable(); + preempt_conditional_sti(regs); /* Mask out spurious debug traps due to lazy DR7 setting */ if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) { @@ -533,16 +547,11 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) * kernel space (but re-enable TF when returning to user mode). */ if (condition & DR_STEP) { - /* - * We already checked v86 mode above, so we can - * check for kernel mode by just checking the CPL - * of CS. - */ if (!user_mode(regs)) goto clear_TF_reenable; } - si_code = get_si_code((unsigned long)condition); + si_code = get_si_code(condition); /* Ok, finally something we can handle */ send_sigtrap(tsk, regs, error_code, si_code); @@ -552,15 +561,18 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) */ clear_dr7: set_debugreg(0, 7); + preempt_conditional_cli(regs); return; debug_vm86: handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); + preempt_conditional_cli(regs); return; clear_TF_reenable: set_tsk_thread_flag(tsk, TIF_SINGLESTEP); regs->flags &= ~X86_EFLAGS_TF; + preempt_conditional_cli(regs); return; } diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index be73323ca952..a851eca6d04c 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -380,7 +380,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; unsigned long condition; - siginfo_t info; + int si_code; get_debugreg(condition, 6); @@ -394,6 +394,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) SIGTRAP) == NOTIFY_STOP) return; + /* It's safe to allow irq's after DR6 has been saved */ preempt_conditional_sti(regs); /* Mask out spurious debug traps due to lazy DR7 setting */ @@ -402,6 +403,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) goto clear_dr7; } + /* Save debug status register where ptrace can see it */ tsk->thread.debugreg6 = condition; /* @@ -413,15 +415,14 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) goto clear_TF_reenable; } + si_code = get_si_code(condition); /* Ok, finally something we can handle */ - tsk->thread.trap_no = 1; - tsk->thread.error_code = error_code; - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = get_si_code(condition); - info.si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL; - force_sig_info(SIGTRAP, &info, tsk); + send_sigtrap(tsk, regs, error_code, si_code); + /* + * Disable additional traps. They'll be re-enabled when + * the signal is delivered. + */ clear_dr7: set_debugreg(0, 7); preempt_conditional_cli(regs); diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h index ac578f11c1c5..a2025525a15a 100644 --- a/include/asm-x86/ptrace.h +++ b/include/asm-x86/ptrace.h @@ -174,12 +174,8 @@ extern unsigned long profile_pc(struct pt_regs *regs); extern unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs); - -#ifdef CONFIG_X86_32 extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code, int si_code); -#endif - void signal_fault(struct pt_regs *regs, void __user *frame, char *where); extern long syscall_trace_enter(struct pt_regs *); -- GitLab From 699d2937d45d9dabc1772d0d07501ccc43885c23 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:32 +0200 Subject: [PATCH 4195/6244] traps: x86: converge trap_init functions - set_system_gate on i386 is really set_system_trap_gate - set_system_gate on x86_64 is really set_system_intr_gate - ist=0 means no special stack switch is done: - introduce STACKFAULT_STACK, DOUBLEFAULT_STACK, NMI_STACK, DEBUG_STACK and MCE_STACK as on x86_64. - use the _ist variants with XXX_STACK set to zero - remove set_system_gate Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar traps: x86: correct copy/paste bug: a trap is a GATE_TRAP Fix copy/paste/forgot-to-edit bug in desc.h. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 16 +++++++++------- arch/x86/kernel/traps_64.c | 6 +++--- include/asm-x86/desc.h | 14 +++++--------- include/asm-x86/page_32.h | 6 ++++++ 4 files changed, 23 insertions(+), 19 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 953172af6e51..2c7ea3827713 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -847,10 +847,12 @@ void __init trap_init(void) #endif set_intr_gate(0, ÷_error); - set_intr_gate(1, &debug); - set_intr_gate(2, &nmi); - set_system_intr_gate(3, &int3); /* int3 can be called from all */ - set_system_intr_gate(4, &overflow); /* int4 can be called from all */ + set_intr_gate_ist(1, &debug, DEBUG_STACK); + set_intr_gate_ist(2, &nmi, NMI_STACK); + /* int3 can be called from all */ + set_system_intr_gate_ist(3, &int3, DEBUG_STACK); + /* int4 can be called from all */ + set_system_intr_gate(4, &overflow); set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); @@ -858,14 +860,14 @@ void __init trap_init(void) set_intr_gate(9, &coprocessor_segment_overrun); set_intr_gate(10, &invalid_TSS); set_intr_gate(11, &segment_not_present); - set_intr_gate(12, &stack_segment); + set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK); set_intr_gate(13, &general_protection); set_intr_gate(14, &page_fault); set_intr_gate(15, &spurious_interrupt_bug); set_intr_gate(16, &coprocessor_error); set_intr_gate(17, &alignment_check); #ifdef CONFIG_X86_MCE - set_intr_gate(18, &machine_check); + set_intr_gate_ist(18, &machine_check, MCE_STACK); #endif set_intr_gate(19, &simd_coprocessor_error); @@ -881,7 +883,7 @@ void __init trap_init(void) printk("done.\n"); } - set_system_gate(SYSCALL_VECTOR, &system_call); + set_system_trap_gate(SYSCALL_VECTOR, &system_call); /* Reserve all the builtin and the syscall vector: */ for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index a851eca6d04c..ea091dfe0cd3 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -647,9 +647,9 @@ void __init trap_init(void) set_intr_gate_ist(1, &debug, DEBUG_STACK); set_intr_gate_ist(2, &nmi, NMI_STACK); /* int3 can be called from all */ - set_system_gate_ist(3, &int3, DEBUG_STACK); + set_system_intr_gate_ist(3, &int3, DEBUG_STACK); /* int4 can be called from all */ - set_system_gate(4, &overflow); + set_system_intr_gate(4, &overflow); set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); @@ -669,7 +669,7 @@ void __init trap_init(void) set_intr_gate(19, &simd_coprocessor_error); #ifdef CONFIG_IA32_EMULATION - set_system_gate(IA32_SYSCALL_VECTOR, ia32_syscall); + set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall); #endif /* * Should be a barrier for any external CPU state: diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index ebc307817e98..f06adac7938c 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -351,20 +351,16 @@ static inline void set_system_intr_gate(unsigned int n, void *addr) _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); } -static inline void set_trap_gate(unsigned int n, void *addr) +static inline void set_system_trap_gate(unsigned int n, void *addr) { BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); + _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); } -static inline void set_system_gate(unsigned int n, void *addr) +static inline void set_trap_gate(unsigned int n, void *addr) { BUG_ON((unsigned)n > 0xFF); -#ifdef CONFIG_X86_32 - _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); -#else - _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); -#endif + _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); } static inline void set_task_gate(unsigned int n, unsigned int gdt_entry) @@ -379,7 +375,7 @@ static inline void set_intr_gate_ist(int n, void *addr, unsigned ist) _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS); } -static inline void set_system_gate_ist(int n, void *addr, unsigned ist) +static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) { BUG_ON((unsigned)n > 0xFF); _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h index 5d6a68a1067a..e8d80d1de237 100644 --- a/include/asm-x86/page_32.h +++ b/include/asm-x86/page_32.h @@ -20,6 +20,12 @@ #endif #define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER) +#define STACKFAULT_STACK 0 +#define DOUBLEFAULT_STACK 1 +#define NMI_STACK 0 +#define DEBUG_STACK 0 +#define MCE_STACK 0 +#define N_EXCEPTION_STACKS 1 #ifdef CONFIG_X86_PAE /* 44=32+12, the limit we can fit into an unsigned long pfn */ -- GitLab From 091d30c8f7744f43b0bb507fd30ceb95f9ff9e1b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 23:16:12 +0200 Subject: [PATCH 4196/6244] traps: x86_64: make math_state_restore more like i386 - rename variable me -> tsk - get thread and tsk like i386 - expand used_math() - copy comment Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index ea091dfe0cd3..00406c99aee4 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -604,14 +604,15 @@ asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) */ asmlinkage void math_state_restore(void) { - struct task_struct *me = current; + struct thread_info *thread = current_thread_info(); + struct task_struct *tsk = thread->task; - if (!used_math()) { + if (!tsk_used_math(tsk)) { local_irq_enable(); /* * does a slab alloc which can sleep */ - if (init_fpu(me)) { + if (init_fpu(tsk)) { /* * ran out of memory! */ @@ -625,13 +626,13 @@ asmlinkage void math_state_restore(void) /* * Paranoid restore. send a SIGSEGV if we fail to restore the state. */ - if (unlikely(restore_fpu_checking(me))) { + if (unlikely(restore_fpu_checking(tsk))) { stts(); - force_sig(SIGSEGV, me); + force_sig(SIGSEGV, tsk); return; } - task_thread_info(me)->status |= TS_USEDFPU; - me->fpu_counter++; + thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ + tsk->fpu_counter++; } EXPORT_SYMBOL_GPL(math_state_restore); -- GitLab From 4915a35e35a037254550a2ba9f367a812bc37d40 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:34 +0200 Subject: [PATCH 4197/6244] traps: i386: use preempt_conditional_sti/cli in do_int3 Use preempt_conditional_sti/cli in do_int3, like on x86_64. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 2c7ea3827713..67953bbe193d 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -477,14 +477,15 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; - conditional_sti(regs); #else if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; #endif + preempt_conditional_sti(regs); do_trap(3, SIGTRAP, "int3", regs, error_code, NULL); + preempt_conditional_cli(regs); } /* -- GitLab From 1c9af8a9f448abfe13f17fa76b7ca72b588a1edb Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:35 +0200 Subject: [PATCH 4198/6244] traps: x86_64: make io_check_error equal to the one on i386 Make io_check_error equal to the one on i386. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 00406c99aee4..7853f488cd6c 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -252,13 +252,19 @@ mem_parity_error(unsigned char reason, struct pt_regs *regs) static notrace __kprobes void io_check_error(unsigned char reason, struct pt_regs *regs) { - printk("NMI: IOCK error (debug interrupt?)\n"); + unsigned long i; + + printk(KERN_EMERG "NMI: IOCK error (debug interrupt?)\n"); show_registers(regs); /* Re-enable the IOCK line, wait for a few seconds */ reason = (reason & 0xf) | 8; outb(reason, 0x61); - mdelay(2000); + + i = 2000; + while (--i) + udelay(1000); + reason &= ~8; outb(reason, 0x61); } -- GitLab From 7970479c4881e156a0c07c1a7fdc564c8e3b2bfc Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:36 +0200 Subject: [PATCH 4199/6244] traps: i386: expand clear_mem_error and remove from mach_traps.h This is the last user of clear_mem_error, which is defined only on i386. Expand the inline function and remove it from include/asm-x86/mach-default/mach_traps.h Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 3 ++- include/asm-x86/mach-default/mach_traps.h | 6 ------ 2 files changed, 2 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 67953bbe193d..01e7ca8c7661 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -313,7 +313,8 @@ mem_parity_error(unsigned char reason, struct pt_regs *regs) printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); /* Clear and disable the memory parity error line. */ - clear_mem_error(reason); + reason = (reason & 0xf) | 4; + outb(reason, 0x61); } static notrace __kprobes void diff --git a/include/asm-x86/mach-default/mach_traps.h b/include/asm-x86/mach-default/mach_traps.h index de9ac3f5c4ce..ff8778f26b84 100644 --- a/include/asm-x86/mach-default/mach_traps.h +++ b/include/asm-x86/mach-default/mach_traps.h @@ -7,12 +7,6 @@ #include -static inline void clear_mem_error(unsigned char reason) -{ - reason = (reason & 0xf) | 4; - outb(reason, 0x61); -} - static inline unsigned char get_nmi_reason(void) { return inb(0x61); -- GitLab From a5ae2330a5a6e7948866715a845ad2e8900bd4c2 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:37 +0200 Subject: [PATCH 4200/6244] traps: x86_64: use task_pid_nr(tsk) instead of tsk->pid in do_general_protection Use task_pid_nr(tsk) instead of tsk->pid in do_general_protection. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 7853f488cd6c..71c2629997b3 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -204,7 +204,7 @@ do_general_protection(struct pt_regs *regs, long error_code) printk_ratelimit()) { printk(KERN_INFO "%s[%d] general protection ip:%lx sp:%lx error:%lx", - tsk->comm, tsk->pid, + tsk->comm, task_pid_nr(tsk), regs->ip, regs->sp, error_code); print_vma_addr(" in ", regs->ip); printk("\n"); -- GitLab From c1d518c8422ff7d3f377958771b265753028579c Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 23:17:11 +0200 Subject: [PATCH 4201/6244] traps: x86: various noop-changes preparing for unification of traps_xx.c - reordering include files - whitespace changes - comment changes - removed unused bad_intr() - make default_do_nmi static Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 28 +++++++++------- arch/x86/kernel/traps_64.c | 65 ++++++++++++++++++++++++-------------- include/asm-x86/nmi.h | 4 --- 3 files changed, 58 insertions(+), 39 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 01e7ca8c7661..076739863d24 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -7,13 +7,11 @@ */ /* - * 'Traps.c' handles hardware traps and faults after we have saved some - * state in 'asm.s'. + * Handle hardware traps and faults. */ #include #include #include -#include #include #include #include @@ -32,6 +30,8 @@ #include #include #include +#include +#include #ifdef CONFIG_EISA #include @@ -46,22 +46,26 @@ #include #endif -#include -#include #include #include +#include #include #include #include #include +#include #include #include + +#include + +#include +#include #include #include #include #include -#include "mach_traps.h" #include "cpu/mcheck/mce.h" DECLARE_BITMAP(used_vectors, NR_VECTORS); @@ -340,7 +344,8 @@ io_check_error(unsigned char reason, struct pt_regs *regs) static notrace __kprobes void unknown_nmi_error(unsigned char reason, struct pt_regs *regs) { - if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP) + if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == + NOTIFY_STOP) return; #ifdef CONFIG_MCA /* @@ -446,13 +451,9 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) dotraplinkage notrace __kprobes void do_nmi(struct pt_regs *regs, long error_code) { - int cpu; - nmi_enter(); - cpu = smp_processor_id(); - - ++nmi_count(cpu); + { int cpu; cpu = smp_processor_id(); ++nmi_count(cpu); } if (!ignore_nmis) default_do_nmi(regs); @@ -472,6 +473,7 @@ void restart_nmi(void) acpi_nmi_enable(); } +/* May run on IST stack. */ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { #ifdef CONFIG_KPROBES @@ -510,6 +512,8 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) * about restoring all the debug state, and ptrace doesn't have to * find every occurrence of the TF bit that could be saved away even * by user code) + * + * May run on IST stack. */ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 71c2629997b3..22fe62a24edb 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -7,10 +7,8 @@ */ /* - * 'Traps.c' handles hardware traps and faults after we have saved some - * state in 'entry.S'. + * Handle hardware traps and faults. */ -#include #include #include #include @@ -41,18 +39,21 @@ #include #include +#include #include #include #include #include +#include #include #include + +#include + #include #include #include -#include -#include static int ignore_nmis; @@ -73,8 +74,6 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) { if (regs->flags & X86_EFLAGS_IF) local_irq_disable(); - /* Make sure to not schedule here because we could be running - on an exception stack. */ dec_preempt_count(); } @@ -228,9 +227,12 @@ gp_in_kernel: static notrace __kprobes void mem_parity_error(unsigned char reason, struct pt_regs *regs) { - printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n", - reason); - printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n"); + printk(KERN_EMERG + "Uhhuh. NMI received for unknown reason %02x on CPU %d.\n", + reason, smp_processor_id()); + + printk(KERN_EMERG + "You have some hardware problem, likely on the PCI bus.\n"); #if defined(CONFIG_EDAC) if (edac_handler_set()) { @@ -275,19 +277,18 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP) return; - printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n", - reason); - printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n"); + printk(KERN_EMERG + "Uhhuh. NMI received for unknown reason %02x on CPU %d.\n", + reason, smp_processor_id()); + printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n"); if (panic_on_unrecovered_nmi) panic("NMI: Not continuing"); printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); } -/* Runs on IST stack. This code must keep interrupts off all the time. - Nested NMIs are prevented by the CPU. */ -asmlinkage notrace __kprobes void default_do_nmi(struct pt_regs *regs) +static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { unsigned char reason = 0; int cpu; @@ -348,7 +349,7 @@ void restart_nmi(void) acpi_nmi_enable(); } -/* runs on IST stack. */ +/* May run on IST stack. */ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) @@ -381,7 +382,30 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) return regs; } -/* runs on IST stack. */ +/* + * Our handling of the processor debug registers is non-trivial. + * We do not clear them on entry and exit from the kernel. Therefore + * it is possible to get a watchpoint trap here from inside the kernel. + * However, the code in ./ptrace.c has ensured that the user can + * only set watchpoints on userspace addresses. Therefore the in-kernel + * watchpoint trap can only occur in code which is reading/writing + * from user space. Such code must not hold kernel locks (since it + * can equally take a page fault), therefore it is safe to call + * force_sig_info even though that claims and releases locks. + * + * Code in ./signal.c ensures that the debug control register + * is restored before we deliver any signal, and therefore that + * user code runs with the correct debug control register even though + * we clear it here. + * + * Being careful here means that we don't have to be as careful in a + * lot of more complicated places (task switching can be a bit lazy + * about restoring all the debug state, and ptrace doesn't have to + * find every occurrence of the TF bit that could be saved away even + * by user code) + * + * May run on IST stack. + */ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) { struct task_struct *tsk = current; @@ -525,11 +549,6 @@ dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) math_error((void __user *)regs->ip); } -asmlinkage void bad_intr(void) -{ - printk("bad interrupt"); -} - static void simd_math_error(void __user *ip) { struct task_struct *task; diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h index d5e715f024dc..a53f829a97c5 100644 --- a/include/asm-x86/nmi.h +++ b/include/asm-x86/nmi.h @@ -15,10 +15,6 @@ */ int do_nmi_callback(struct pt_regs *regs, int cpu); -#ifdef CONFIG_X86_64 -extern void default_do_nmi(struct pt_regs *); -#endif - extern void die_nmi(char *str, struct pt_regs *regs, int do_panic); extern int check_nmi_watchdog(void); extern int nmi_watchdog_enabled; -- GitLab From 081f75bbdc86de53537e1b5aca01de72bd2fea6b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:39 +0200 Subject: [PATCH 4202/6244] traps: x86: make traps_32.c and traps_64.c equal Use CONFIG_X86_64/CONFIG_X86_32 to condtionally compile the parts needed for x86_64 or i386 only. Runs a small userspace for a number of minimal configurations and boots the defconfigs. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/traps_32.c | 173 ++++++++++++++++- arch/x86/kernel/traps_64.c | 368 ++++++++++++++++++++++++++++++++++++- 2 files changed, 536 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 076739863d24..ffb131f74f78 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -48,7 +48,6 @@ #include #include -#include #include #include #include @@ -59,6 +58,11 @@ #include +#ifdef CONFIG_X86_64 +#include +#include +#include +#else #include #include #include @@ -83,6 +87,7 @@ char ignore_fpu_irq; */ gate_desc idt_table[256] __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, }; +#endif static int ignore_nmis; @@ -106,6 +111,7 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) dec_preempt_count(); } +#ifdef CONFIG_X86_32 static inline void die_if_kernel(const char *str, struct pt_regs *regs, long err) { @@ -153,6 +159,7 @@ static int lazy_iobitmap_copy(void) return 0; } +#endif static void __kprobes do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, @@ -160,6 +167,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, { struct task_struct *tsk = current; +#ifdef CONFIG_X86_32 if (regs->flags & X86_VM_MASK) { /* * traps 0, 1, 3, 4, and 5 should be forwarded to vm86. @@ -169,11 +177,14 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, goto vm86_trap; goto trap_signal; } +#endif if (!user_mode(regs)) goto kernel_trap; +#ifdef CONFIG_X86_32 trap_signal: +#endif /* * We want error_code and trap_no set for userspace faults and * kernelspace faults which result in die(), but not @@ -186,6 +197,18 @@ trap_signal: tsk->thread.error_code = error_code; tsk->thread.trap_no = trapnr; +#ifdef CONFIG_X86_64 + if (show_unhandled_signals && unhandled_signal(tsk, signr) && + printk_ratelimit()) { + printk(KERN_INFO + "%s[%d] trap %s ip:%lx sp:%lx error:%lx", + tsk->comm, tsk->pid, str, + regs->ip, regs->sp, error_code); + print_vma_addr(" in ", regs->ip); + printk("\n"); + } +#endif + if (info) force_sig_info(signr, info, tsk); else @@ -200,11 +223,13 @@ kernel_trap: } return; +#ifdef CONFIG_X86_32 vm86_trap: if (handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, trapnr)) goto trap_signal; return; +#endif } #define DO_ERROR(trapnr, signr, str, name) \ @@ -239,9 +264,41 @@ DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) +#ifdef CONFIG_X86_32 DO_ERROR(12, SIGBUS, "stack segment", stack_segment) +#endif DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) +#ifdef CONFIG_X86_64 +/* Runs on IST stack */ +dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code) +{ + if (notify_die(DIE_TRAP, "stack segment", regs, error_code, + 12, SIGBUS) == NOTIFY_STOP) + return; + preempt_conditional_sti(regs); + do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL); + preempt_conditional_cli(regs); +} + +dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) +{ + static const char str[] = "double fault"; + struct task_struct *tsk = current; + + /* Return not checked because double check cannot be ignored */ + notify_die(DIE_TRAP, str, regs, error_code, 8, SIGSEGV); + + tsk->thread.error_code = error_code; + tsk->thread.trap_no = 8; + + /* This is always a kernel trap and never fixable (and thus must + never return). */ + for (;;) + die(str, regs, error_code); +} +#endif + dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) { @@ -249,6 +306,7 @@ do_general_protection(struct pt_regs *regs, long error_code) conditional_sti(regs); +#ifdef CONFIG_X86_32 if (lazy_iobitmap_copy()) { /* restart the faulting instruction */ return; @@ -256,6 +314,7 @@ do_general_protection(struct pt_regs *regs, long error_code) if (regs->flags & X86_VM_MASK) goto gp_in_vm86; +#endif tsk = current; if (!user_mode(regs)) @@ -277,10 +336,12 @@ do_general_protection(struct pt_regs *regs, long error_code) force_sig(SIGSEGV, tsk); return; +#ifdef CONFIG_X86_32 gp_in_vm86: local_irq_enable(); handle_vm86_fault((struct kernel_vm86_regs *) regs, error_code); return; +#endif gp_in_kernel: if (fixup_exception(regs)) @@ -368,6 +429,7 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); } +#ifdef CONFIG_X86_32 static DEFINE_SPINLOCK(nmi_print_lock); void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) @@ -402,6 +464,7 @@ void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) do_exit(SIGSEGV); } +#endif static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { @@ -441,11 +504,13 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) mem_parity_error(reason, regs); if (reason & 0x40) io_check_error(reason, regs); +#ifdef CONFIG_X86_32 /* * Reassert NMI in case it became active meanwhile * as it's edge-triggered: */ reassert_nmi(); +#endif } dotraplinkage notrace __kprobes void @@ -453,7 +518,11 @@ do_nmi(struct pt_regs *regs, long error_code) { nmi_enter(); +#ifdef CONFIG_X86_32 { int cpu; cpu = smp_processor_id(); ++nmi_count(cpu); } +#else + add_pda(__nmi_count, 1); +#endif if (!ignore_nmis) default_do_nmi(regs); @@ -491,6 +560,29 @@ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) preempt_conditional_cli(regs); } +#ifdef CONFIG_X86_64 +/* Help handler running on IST stack to switch back to user stack + for scheduling or signal handling. The actual stack switch is done in + entry.S */ +asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) +{ + struct pt_regs *regs = eregs; + /* Did already sync */ + if (eregs == (struct pt_regs *)eregs->sp) + ; + /* Exception from user space */ + else if (user_mode(eregs)) + regs = task_pt_regs(current); + /* Exception from kernel and interrupts are enabled. Move to + kernel process stack. */ + else if (eregs->flags & X86_EFLAGS_IF) + regs = (struct pt_regs *)(eregs->sp -= sizeof(struct pt_regs)); + if (eregs != regs) + *regs = *eregs; + return regs; +} +#endif + /* * Our handling of the processor debug registers is non-trivial. * We do not clear them on entry and exit from the kernel. Therefore @@ -542,8 +634,10 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) goto clear_dr7; } +#ifdef CONFIG_X86_32 if (regs->flags & X86_VM_MASK) goto debug_vm86; +#endif /* Save debug status register where ptrace can see it */ tsk->thread.debugreg6 = condition; @@ -570,10 +664,12 @@ clear_dr7: preempt_conditional_cli(regs); return; +#ifdef CONFIG_X86_32 debug_vm86: handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); preempt_conditional_cli(regs); return; +#endif clear_TF_reenable: set_tsk_thread_flag(tsk, TIF_SINGLESTEP); @@ -582,6 +678,20 @@ clear_TF_reenable: return; } +#ifdef CONFIG_X86_64 +static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) +{ + if (fixup_exception(regs)) + return 1; + + notify_die(DIE_GPF, str, regs, 0, trapnr, SIGFPE); + /* Illegal floating point operation in the kernel */ + current->thread.trap_no = trapnr; + die(str, regs, 0); + return 0; +} +#endif + /* * Note that we play around with the 'TS' bit in an attempt to get * the correct behaviour even in the presence of the asynchronous @@ -618,7 +728,9 @@ void math_error(void __user *ip) swd = get_fpu_swd(task); switch (swd & ~cwd & 0x3f) { case 0x000: /* No unmasked exception */ +#ifdef CONFIG_X86_32 return; +#endif default: /* Multiple exceptions */ break; case 0x001: /* Invalid Op */ @@ -649,7 +761,15 @@ void math_error(void __user *ip) dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); + +#ifdef CONFIG_X86_32 ignore_fpu_irq = 1; +#else + if (!user_mode(regs) && + kernel_math_error(regs, "kernel x87 math error", 16)) + return; +#endif + math_error((void __user *)regs->ip); } @@ -706,6 +826,7 @@ do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); +#ifdef CONFIG_X86_32 if (cpu_has_xmm) { /* Handle SIMD FPU exceptions on PIII+ processors. */ ignore_fpu_irq = 1; @@ -724,6 +845,12 @@ do_simd_coprocessor_error(struct pt_regs *regs, long error_code) current->thread.error_code = error_code; die_if_kernel("cache flush denied", regs, error_code); force_sig(SIGSEGV, current); +#else + if (!user_mode(regs) && + kernel_math_error(regs, "kernel simd math error", 19)) + return; + simd_math_error((void __user *)regs->ip); +#endif } dotraplinkage void @@ -736,6 +863,7 @@ do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) #endif } +#ifdef CONFIG_X86_32 unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp) { struct desc_struct *gdt = get_cpu_gdt_table(smp_processor_id()); @@ -754,6 +882,15 @@ unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp) return new_kesp; } +#else +asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) +{ +} + +asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) +{ +} +#endif /* * 'math_state_restore()' saves the current math information in the @@ -786,14 +923,24 @@ asmlinkage void math_state_restore(void) } clts(); /* Allow maths ops (or we recurse) */ +#ifdef CONFIG_X86_32 restore_fpu(tsk); +#else + /* + * Paranoid restore. send a SIGSEGV if we fail to restore the state. + */ + if (unlikely(restore_fpu_checking(tsk))) { + stts(); + force_sig(SIGSEGV, tsk); + return; + } +#endif thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ tsk->fpu_counter++; } EXPORT_SYMBOL_GPL(math_state_restore); #ifndef CONFIG_MATH_EMULATION - asmlinkage void math_emulate(long arg) { printk(KERN_EMERG @@ -802,12 +949,12 @@ asmlinkage void math_emulate(long arg) force_sig(SIGFPE, current); schedule(); } - #endif /* CONFIG_MATH_EMULATION */ dotraplinkage void __kprobes do_device_not_available(struct pt_regs *regs, long error) { +#ifdef CONFIG_X86_32 if (read_cr0() & X86_CR0_EM) { conditional_sti(regs); math_emulate(0); @@ -815,8 +962,12 @@ do_device_not_available(struct pt_regs *regs, long error) math_state_restore(); /* interrupts still off */ conditional_sti(regs); } +#else + math_state_restore(); +#endif } +#ifdef CONFIG_X86_32 #ifdef CONFIG_X86_MCE dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error) { @@ -839,10 +990,13 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) return; do_trap(32, SIGILL, "iret exception", regs, error_code, &info); } +#endif void __init trap_init(void) { +#ifdef CONFIG_X86_32 int i; +#endif #ifdef CONFIG_EISA void __iomem *p = early_ioremap(0x0FFFD9, 4); @@ -862,7 +1016,11 @@ void __init trap_init(void) set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); +#ifdef CONFIG_X86_32 set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); +#else + set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK); +#endif set_intr_gate(9, &coprocessor_segment_overrun); set_intr_gate(10, &invalid_TSS); set_intr_gate(11, &segment_not_present); @@ -877,6 +1035,11 @@ void __init trap_init(void) #endif set_intr_gate(19, &simd_coprocessor_error); +#ifdef CONFIG_IA32_EMULATION + set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall); +#endif + +#ifdef CONFIG_X86_32 if (cpu_has_fxsr) { printk(KERN_INFO "Enabling fast FPU save and restore... "); set_in_cr4(X86_CR4_OSFXSR); @@ -896,11 +1059,13 @@ void __init trap_init(void) set_bit(i, used_vectors); set_bit(SYSCALL_VECTOR, used_vectors); - +#endif /* * Should be a barrier for any external CPU state: */ cpu_init(); +#ifdef CONFIG_X86_32 trap_init_hook(); +#endif } diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 22fe62a24edb..60ecc855ab81 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -33,13 +33,21 @@ #include #include +#ifdef CONFIG_EISA +#include +#include +#endif + +#ifdef CONFIG_MCA +#include +#endif + #if defined(CONFIG_EDAC) #include #endif #include #include -#include #include #include #include @@ -50,10 +58,35 @@ #include +#ifdef CONFIG_X86_64 #include #include #include +#else +#include +#include +#include +#include +#include + +#include "cpu/mcheck/mce.h" +DECLARE_BITMAP(used_vectors, NR_VECTORS); +EXPORT_SYMBOL_GPL(used_vectors); + +asmlinkage int system_call(void); + +/* Do we ignore FPU interrupts ? */ +char ignore_fpu_irq; + +/* + * The IDT has to be page-aligned to simplify the Pentium + * F0 0F bug workaround.. We have a special link segment + * for this. + */ +gate_desc idt_table[256] + __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, }; +#endif static int ignore_nmis; @@ -77,15 +110,80 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) dec_preempt_count(); } +#ifdef CONFIG_X86_32 +static inline void +die_if_kernel(const char *str, struct pt_regs *regs, long err) +{ + if (!user_mode_vm(regs)) + die(str, regs, err); +} + +/* + * Perform the lazy TSS's I/O bitmap copy. If the TSS has an + * invalid offset set (the LAZY one) and the faulting thread has + * a valid I/O bitmap pointer, we copy the I/O bitmap in the TSS, + * we set the offset field correctly and return 1. + */ +static int lazy_iobitmap_copy(void) +{ + struct thread_struct *thread; + struct tss_struct *tss; + int cpu; + + cpu = get_cpu(); + tss = &per_cpu(init_tss, cpu); + thread = ¤t->thread; + + if (tss->x86_tss.io_bitmap_base == INVALID_IO_BITMAP_OFFSET_LAZY && + thread->io_bitmap_ptr) { + memcpy(tss->io_bitmap, thread->io_bitmap_ptr, + thread->io_bitmap_max); + /* + * If the previously set map was extending to higher ports + * than the current one, pad extra space with 0xff (no access). + */ + if (thread->io_bitmap_max < tss->io_bitmap_max) { + memset((char *) tss->io_bitmap + + thread->io_bitmap_max, 0xff, + tss->io_bitmap_max - thread->io_bitmap_max); + } + tss->io_bitmap_max = thread->io_bitmap_max; + tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; + tss->io_bitmap_owner = thread; + put_cpu(); + + return 1; + } + put_cpu(); + + return 0; +} +#endif + static void __kprobes do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, long error_code, siginfo_t *info) { struct task_struct *tsk = current; +#ifdef CONFIG_X86_32 + if (regs->flags & X86_VM_MASK) { + /* + * traps 0, 1, 3, 4, and 5 should be forwarded to vm86. + * On nmi (interrupt 2), do_trap should not be called. + */ + if (trapnr < 6) + goto vm86_trap; + goto trap_signal; + } +#endif + if (!user_mode(regs)) goto kernel_trap; +#ifdef CONFIG_X86_32 +trap_signal: +#endif /* * We want error_code and trap_no set for userspace faults and * kernelspace faults which result in die(), but not @@ -98,6 +196,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, tsk->thread.error_code = error_code; tsk->thread.trap_no = trapnr; +#ifdef CONFIG_X86_64 if (show_unhandled_signals && unhandled_signal(tsk, signr) && printk_ratelimit()) { printk(KERN_INFO @@ -107,6 +206,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, print_vma_addr(" in ", regs->ip); printk("\n"); } +#endif if (info) force_sig_info(signr, info, tsk); @@ -121,6 +221,14 @@ kernel_trap: die(str, regs, error_code); } return; + +#ifdef CONFIG_X86_32 +vm86_trap: + if (handle_vm86_trap((struct kernel_vm86_regs *) regs, + error_code, trapnr)) + goto trap_signal; + return; +#endif } #define DO_ERROR(trapnr, signr, str, name) \ @@ -155,8 +263,12 @@ DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip) DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) +#ifdef CONFIG_X86_32 +DO_ERROR(12, SIGBUS, "stack segment", stack_segment) +#endif DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) +#ifdef CONFIG_X86_64 /* Runs on IST stack */ dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code) { @@ -184,6 +296,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) for (;;) die(str, regs, error_code); } +#endif dotraplinkage void __kprobes do_general_protection(struct pt_regs *regs, long error_code) @@ -192,6 +305,16 @@ do_general_protection(struct pt_regs *regs, long error_code) conditional_sti(regs); +#ifdef CONFIG_X86_32 + if (lazy_iobitmap_copy()) { + /* restart the faulting instruction */ + return; + } + + if (regs->flags & X86_VM_MASK) + goto gp_in_vm86; +#endif + tsk = current; if (!user_mode(regs)) goto gp_in_kernel; @@ -212,6 +335,13 @@ do_general_protection(struct pt_regs *regs, long error_code) force_sig(SIGSEGV, tsk); return; +#ifdef CONFIG_X86_32 +gp_in_vm86: + local_irq_enable(); + handle_vm86_fault((struct kernel_vm86_regs *) regs, error_code); + return; +#endif + gp_in_kernel: if (fixup_exception(regs)) return; @@ -277,6 +407,16 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP) return; +#ifdef CONFIG_MCA + /* + * Might actually be able to figure out what the guilty party + * is: + */ + if (MCA_bus) { + mca_handle_nmi(); + return; + } +#endif printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on CPU %d.\n", reason, smp_processor_id()); @@ -288,6 +428,43 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); } +#ifdef CONFIG_X86_32 +static DEFINE_SPINLOCK(nmi_print_lock); + +void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) +{ + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) + return; + + spin_lock(&nmi_print_lock); + /* + * We are in trouble anyway, lets at least try + * to get a message out: + */ + bust_spinlocks(1); + printk(KERN_EMERG "%s", str); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->ip); + show_registers(regs); + if (do_panic) + panic("Non maskable interrupt"); + console_silent(); + spin_unlock(&nmi_print_lock); + bust_spinlocks(0); + + /* + * If we are in kernel we are probably nested up pretty bad + * and might aswell get out now while we still can: + */ + if (!user_mode_vm(regs)) { + current->thread.trap_no = 2; + crash_kexec(regs); + } + + do_exit(SIGSEGV); +} +#endif + static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { unsigned char reason = 0; @@ -303,6 +480,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT) == NOTIFY_STOP) return; +#ifdef CONFIG_X86_LOCAL_APIC /* * Ok, so this is none of the documented NMI sources, * so it must be the NMI watchdog. @@ -311,6 +489,9 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) return; if (!do_nmi_callback(regs, cpu)) unknown_nmi_error(reason, regs); +#else + unknown_nmi_error(reason, regs); +#endif return; } @@ -322,6 +503,13 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs) mem_parity_error(reason, regs); if (reason & 0x40) io_check_error(reason, regs); +#ifdef CONFIG_X86_32 + /* + * Reassert NMI in case it became active meanwhile + * as it's edge-triggered: + */ + reassert_nmi(); +#endif } dotraplinkage notrace __kprobes void @@ -329,7 +517,11 @@ do_nmi(struct pt_regs *regs, long error_code) { nmi_enter(); +#ifdef CONFIG_X86_32 + { int cpu; cpu = smp_processor_id(); ++nmi_count(cpu); } +#else add_pda(__nmi_count, 1); +#endif if (!ignore_nmis) default_do_nmi(regs); @@ -352,15 +544,22 @@ void restart_nmi(void) /* May run on IST stack. */ dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) { +#ifdef CONFIG_KPROBES if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) return; +#else + if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) + == NOTIFY_STOP) + return; +#endif preempt_conditional_sti(regs); do_trap(3, SIGTRAP, "int3", regs, error_code, NULL); preempt_conditional_cli(regs); } +#ifdef CONFIG_X86_64 /* Help handler running on IST stack to switch back to user stack for scheduling or signal handling. The actual stack switch is done in entry.S */ @@ -381,6 +580,7 @@ asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) *regs = *eregs; return regs; } +#endif /* * Our handling of the processor debug registers is non-trivial. @@ -433,6 +633,11 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) goto clear_dr7; } +#ifdef CONFIG_X86_32 + if (regs->flags & X86_VM_MASK) + goto debug_vm86; +#endif + /* Save debug status register where ptrace can see it */ tsk->thread.debugreg6 = condition; @@ -458,6 +663,13 @@ clear_dr7: preempt_conditional_cli(regs); return; +#ifdef CONFIG_X86_32 +debug_vm86: + handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); + preempt_conditional_cli(regs); + return; +#endif + clear_TF_reenable: set_tsk_thread_flag(tsk, TIF_SINGLESTEP); regs->flags &= ~X86_EFLAGS_TF; @@ -465,6 +677,7 @@ clear_TF_reenable: return; } +#ifdef CONFIG_X86_64 static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) { if (fixup_exception(regs)) @@ -476,6 +689,7 @@ static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) die(str, regs, 0); return 0; } +#endif /* * Note that we play around with the 'TS' bit in an attempt to get @@ -513,6 +727,9 @@ void math_error(void __user *ip) swd = get_fpu_swd(task); switch (swd & ~cwd & 0x3f) { case 0x000: /* No unmasked exception */ +#ifdef CONFIG_X86_32 + return; +#endif default: /* Multiple exceptions */ break; case 0x001: /* Invalid Op */ @@ -543,9 +760,15 @@ void math_error(void __user *ip) dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); + +#ifdef CONFIG_X86_32 + ignore_fpu_irq = 1; +#else if (!user_mode(regs) && kernel_math_error(regs, "kernel x87 math error", 16)) return; +#endif + math_error((void __user *)regs->ip); } @@ -601,17 +824,64 @@ dotraplinkage void do_simd_coprocessor_error(struct pt_regs *regs, long error_code) { conditional_sti(regs); + +#ifdef CONFIG_X86_32 + if (cpu_has_xmm) { + /* Handle SIMD FPU exceptions on PIII+ processors. */ + ignore_fpu_irq = 1; + simd_math_error((void __user *)regs->ip); + return; + } + /* + * Handle strange cache flush from user space exception + * in all other cases. This is undocumented behaviour. + */ + if (regs->flags & X86_VM_MASK) { + handle_vm86_fault((struct kernel_vm86_regs *)regs, error_code); + return; + } + current->thread.trap_no = 19; + current->thread.error_code = error_code; + die_if_kernel("cache flush denied", regs, error_code); + force_sig(SIGSEGV, current); +#else if (!user_mode(regs) && kernel_math_error(regs, "kernel simd math error", 19)) return; simd_math_error((void __user *)regs->ip); +#endif } dotraplinkage void do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) { + conditional_sti(regs); +#if 0 + /* No need to warn about this any longer. */ + printk(KERN_INFO "Ignoring P6 Local APIC Spurious Interrupt Bug...\n"); +#endif } +#ifdef CONFIG_X86_32 +unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp) +{ + struct desc_struct *gdt = get_cpu_gdt_table(smp_processor_id()); + unsigned long base = (kesp - uesp) & -THREAD_SIZE; + unsigned long new_kesp = kesp - base; + unsigned long lim_pages = (new_kesp | (THREAD_SIZE - 1)) >> PAGE_SHIFT; + __u64 desc = *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS]; + + /* Set up base for espfix segment */ + desc &= 0x00f0ff0000000000ULL; + desc |= ((((__u64)base) << 16) & 0x000000ffffff0000ULL) | + ((((__u64)base) << 32) & 0xff00000000000000ULL) | + ((((__u64)lim_pages) << 32) & 0x000f000000000000ULL) | + (lim_pages & 0xffff); + *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS] = desc; + + return new_kesp; +} +#else asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) { } @@ -619,6 +889,7 @@ asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) { } +#endif /* * 'math_state_restore()' saves the current math information in the @@ -626,6 +897,9 @@ asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) * * Careful.. There are problems with IBM-designed IRQ13 behaviour. * Don't touch unless you *really* know how it works. + * + * Must be called with kernel preemption disabled (in this case, + * local interrupts are disabled at the call-site in entry.S). */ asmlinkage void math_state_restore(void) { @@ -648,6 +922,9 @@ asmlinkage void math_state_restore(void) } clts(); /* Allow maths ops (or we recurse) */ +#ifdef CONFIG_X86_32 + restore_fpu(tsk); +#else /* * Paranoid restore. send a SIGSEGV if we fail to restore the state. */ @@ -656,19 +933,78 @@ asmlinkage void math_state_restore(void) force_sig(SIGSEGV, tsk); return; } +#endif thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ tsk->fpu_counter++; } EXPORT_SYMBOL_GPL(math_state_restore); +#ifndef CONFIG_MATH_EMULATION +asmlinkage void math_emulate(long arg) +{ + printk(KERN_EMERG + "math-emulation not enabled and no coprocessor found.\n"); + printk(KERN_EMERG "killing %s.\n", current->comm); + force_sig(SIGFPE, current); + schedule(); +} +#endif /* CONFIG_MATH_EMULATION */ + dotraplinkage void __kprobes do_device_not_available(struct pt_regs *regs, long error) { +#ifdef CONFIG_X86_32 + if (read_cr0() & X86_CR0_EM) { + conditional_sti(regs); + math_emulate(0); + } else { + math_state_restore(); /* interrupts still off */ + conditional_sti(regs); + } +#else math_state_restore(); +#endif +} + +#ifdef CONFIG_X86_32 +#ifdef CONFIG_X86_MCE +dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error) +{ + conditional_sti(regs); + machine_check_vector(regs, error); } +#endif + +dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) +{ + siginfo_t info; + local_irq_enable(); + + info.si_signo = SIGILL; + info.si_errno = 0; + info.si_code = ILL_BADSTK; + info.si_addr = 0; + if (notify_die(DIE_TRAP, "iret exception", + regs, error_code, 32, SIGILL) == NOTIFY_STOP) + return; + do_trap(32, SIGILL, "iret exception", regs, error_code, &info); +} +#endif void __init trap_init(void) { +#ifdef CONFIG_X86_32 + int i; +#endif + +#ifdef CONFIG_EISA + void __iomem *p = early_ioremap(0x0FFFD9, 4); + + if (readl(p) == 'E' + ('I'<<8) + ('S'<<16) + ('A'<<24)) + EISA_bus = 1; + early_iounmap(p, 4); +#endif + set_intr_gate(0, ÷_error); set_intr_gate_ist(1, &debug, DEBUG_STACK); set_intr_gate_ist(2, &nmi, NMI_STACK); @@ -679,7 +1015,11 @@ void __init trap_init(void) set_intr_gate(5, &bounds); set_intr_gate(6, &invalid_op); set_intr_gate(7, &device_not_available); +#ifdef CONFIG_X86_32 + set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); +#else set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK); +#endif set_intr_gate(9, &coprocessor_segment_overrun); set_intr_gate(10, &invalid_TSS); set_intr_gate(11, &segment_not_present); @@ -697,8 +1037,34 @@ void __init trap_init(void) #ifdef CONFIG_IA32_EMULATION set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall); #endif + +#ifdef CONFIG_X86_32 + if (cpu_has_fxsr) { + printk(KERN_INFO "Enabling fast FPU save and restore... "); + set_in_cr4(X86_CR4_OSFXSR); + printk("done.\n"); + } + if (cpu_has_xmm) { + printk(KERN_INFO + "Enabling unmasked SIMD FPU exception support... "); + set_in_cr4(X86_CR4_OSXMMEXCPT); + printk("done.\n"); + } + + set_system_trap_gate(SYSCALL_VECTOR, &system_call); + + /* Reserve all the builtin and the syscall vector: */ + for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++) + set_bit(i, used_vectors); + + set_bit(SYSCALL_VECTOR, used_vectors); +#endif /* * Should be a barrier for any external CPU state: */ cpu_init(); + +#ifdef CONFIG_X86_32 + trap_init_hook(); +#endif } -- GitLab From 8728861b4fead8119a1b7bb856a387320859cd98 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Fri, 3 Oct 2008 22:00:40 +0200 Subject: [PATCH 4203/6244] traps: x86: finalize unification of traps.c traps_32.c and traps_64.c are now equal. Move one to traps.c, delete the other one and change the Makefile Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/{traps_32.c => traps.c} | 0 arch/x86/kernel/traps_64.c | 1070 ----------------------- 3 files changed, 1 insertion(+), 1071 deletions(-) rename arch/x86/kernel/{traps_32.c => traps.c} (100%) delete mode 100644 arch/x86/kernel/traps_64.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index de63fed9fae8..0d41f0343dc0 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -23,7 +23,7 @@ CFLAGS_hpet.o := $(nostackp) CFLAGS_tsc.o := $(nostackp) obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o -obj-y += traps_$(BITS).o irq_$(BITS).o dumpstack_$(BITS).o +obj-y += traps.o irq_$(BITS).o dumpstack_$(BITS).o obj-y += time_$(BITS).o ioport.o ldt.o obj-y += setup.o i8259.o irqinit_$(BITS).o setup_percpu.o obj-$(CONFIG_X86_VISWS) += visws_quirks.o diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps.c similarity index 100% rename from arch/x86/kernel/traps_32.c rename to arch/x86/kernel/traps.c diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c deleted file mode 100644 index 60ecc855ab81..000000000000 --- a/arch/x86/kernel/traps_64.c +++ /dev/null @@ -1,1070 +0,0 @@ -/* - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - * - * Pentium III FXSR, SSE support - * Gareth Hughes , May 2000 - */ - -/* - * Handle hardware traps and faults. - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef CONFIG_EISA -#include -#include -#endif - -#ifdef CONFIG_MCA -#include -#endif - -#if defined(CONFIG_EDAC) -#include -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#ifdef CONFIG_X86_64 -#include -#include -#include -#else -#include -#include -#include -#include -#include - -#include "cpu/mcheck/mce.h" - -DECLARE_BITMAP(used_vectors, NR_VECTORS); -EXPORT_SYMBOL_GPL(used_vectors); - -asmlinkage int system_call(void); - -/* Do we ignore FPU interrupts ? */ -char ignore_fpu_irq; - -/* - * The IDT has to be page-aligned to simplify the Pentium - * F0 0F bug workaround.. We have a special link segment - * for this. - */ -gate_desc idt_table[256] - __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, }; -#endif - -static int ignore_nmis; - -static inline void conditional_sti(struct pt_regs *regs) -{ - if (regs->flags & X86_EFLAGS_IF) - local_irq_enable(); -} - -static inline void preempt_conditional_sti(struct pt_regs *regs) -{ - inc_preempt_count(); - if (regs->flags & X86_EFLAGS_IF) - local_irq_enable(); -} - -static inline void preempt_conditional_cli(struct pt_regs *regs) -{ - if (regs->flags & X86_EFLAGS_IF) - local_irq_disable(); - dec_preempt_count(); -} - -#ifdef CONFIG_X86_32 -static inline void -die_if_kernel(const char *str, struct pt_regs *regs, long err) -{ - if (!user_mode_vm(regs)) - die(str, regs, err); -} - -/* - * Perform the lazy TSS's I/O bitmap copy. If the TSS has an - * invalid offset set (the LAZY one) and the faulting thread has - * a valid I/O bitmap pointer, we copy the I/O bitmap in the TSS, - * we set the offset field correctly and return 1. - */ -static int lazy_iobitmap_copy(void) -{ - struct thread_struct *thread; - struct tss_struct *tss; - int cpu; - - cpu = get_cpu(); - tss = &per_cpu(init_tss, cpu); - thread = ¤t->thread; - - if (tss->x86_tss.io_bitmap_base == INVALID_IO_BITMAP_OFFSET_LAZY && - thread->io_bitmap_ptr) { - memcpy(tss->io_bitmap, thread->io_bitmap_ptr, - thread->io_bitmap_max); - /* - * If the previously set map was extending to higher ports - * than the current one, pad extra space with 0xff (no access). - */ - if (thread->io_bitmap_max < tss->io_bitmap_max) { - memset((char *) tss->io_bitmap + - thread->io_bitmap_max, 0xff, - tss->io_bitmap_max - thread->io_bitmap_max); - } - tss->io_bitmap_max = thread->io_bitmap_max; - tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET; - tss->io_bitmap_owner = thread; - put_cpu(); - - return 1; - } - put_cpu(); - - return 0; -} -#endif - -static void __kprobes -do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, - long error_code, siginfo_t *info) -{ - struct task_struct *tsk = current; - -#ifdef CONFIG_X86_32 - if (regs->flags & X86_VM_MASK) { - /* - * traps 0, 1, 3, 4, and 5 should be forwarded to vm86. - * On nmi (interrupt 2), do_trap should not be called. - */ - if (trapnr < 6) - goto vm86_trap; - goto trap_signal; - } -#endif - - if (!user_mode(regs)) - goto kernel_trap; - -#ifdef CONFIG_X86_32 -trap_signal: -#endif - /* - * We want error_code and trap_no set for userspace faults and - * kernelspace faults which result in die(), but not - * kernelspace faults which are fixed up. die() gives the - * process no chance to handle the signal and notice the - * kernel fault information, so that won't result in polluting - * the information about previously queued, but not yet - * delivered, faults. See also do_general_protection below. - */ - tsk->thread.error_code = error_code; - tsk->thread.trap_no = trapnr; - -#ifdef CONFIG_X86_64 - if (show_unhandled_signals && unhandled_signal(tsk, signr) && - printk_ratelimit()) { - printk(KERN_INFO - "%s[%d] trap %s ip:%lx sp:%lx error:%lx", - tsk->comm, tsk->pid, str, - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - printk("\n"); - } -#endif - - if (info) - force_sig_info(signr, info, tsk); - else - force_sig(signr, tsk); - return; - -kernel_trap: - if (!fixup_exception(regs)) { - tsk->thread.error_code = error_code; - tsk->thread.trap_no = trapnr; - die(str, regs, error_code); - } - return; - -#ifdef CONFIG_X86_32 -vm86_trap: - if (handle_vm86_trap((struct kernel_vm86_regs *) regs, - error_code, trapnr)) - goto trap_signal; - return; -#endif -} - -#define DO_ERROR(trapnr, signr, str, name) \ -dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - conditional_sti(regs); \ - do_trap(trapnr, signr, str, regs, error_code, NULL); \ -} - -#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ -dotraplinkage void do_##name(struct pt_regs *regs, long error_code) \ -{ \ - siginfo_t info; \ - info.si_signo = signr; \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void __user *)siaddr; \ - if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \ - == NOTIFY_STOP) \ - return; \ - conditional_sti(regs); \ - do_trap(trapnr, signr, str, regs, error_code, &info); \ -} - -DO_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) -DO_ERROR(4, SIGSEGV, "overflow", overflow) -DO_ERROR(5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip) -DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) -DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) -DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) -#ifdef CONFIG_X86_32 -DO_ERROR(12, SIGBUS, "stack segment", stack_segment) -#endif -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) - -#ifdef CONFIG_X86_64 -/* Runs on IST stack */ -dotraplinkage void do_stack_segment(struct pt_regs *regs, long error_code) -{ - if (notify_die(DIE_TRAP, "stack segment", regs, error_code, - 12, SIGBUS) == NOTIFY_STOP) - return; - preempt_conditional_sti(regs); - do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL); - preempt_conditional_cli(regs); -} - -dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) -{ - static const char str[] = "double fault"; - struct task_struct *tsk = current; - - /* Return not checked because double check cannot be ignored */ - notify_die(DIE_TRAP, str, regs, error_code, 8, SIGSEGV); - - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 8; - - /* This is always a kernel trap and never fixable (and thus must - never return). */ - for (;;) - die(str, regs, error_code); -} -#endif - -dotraplinkage void __kprobes -do_general_protection(struct pt_regs *regs, long error_code) -{ - struct task_struct *tsk; - - conditional_sti(regs); - -#ifdef CONFIG_X86_32 - if (lazy_iobitmap_copy()) { - /* restart the faulting instruction */ - return; - } - - if (regs->flags & X86_VM_MASK) - goto gp_in_vm86; -#endif - - tsk = current; - if (!user_mode(regs)) - goto gp_in_kernel; - - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 13; - - if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && - printk_ratelimit()) { - printk(KERN_INFO - "%s[%d] general protection ip:%lx sp:%lx error:%lx", - tsk->comm, task_pid_nr(tsk), - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - printk("\n"); - } - - force_sig(SIGSEGV, tsk); - return; - -#ifdef CONFIG_X86_32 -gp_in_vm86: - local_irq_enable(); - handle_vm86_fault((struct kernel_vm86_regs *) regs, error_code); - return; -#endif - -gp_in_kernel: - if (fixup_exception(regs)) - return; - - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 13; - if (notify_die(DIE_GPF, "general protection fault", regs, - error_code, 13, SIGSEGV) == NOTIFY_STOP) - return; - die("general protection fault", regs, error_code); -} - -static notrace __kprobes void -mem_parity_error(unsigned char reason, struct pt_regs *regs) -{ - printk(KERN_EMERG - "Uhhuh. NMI received for unknown reason %02x on CPU %d.\n", - reason, smp_processor_id()); - - printk(KERN_EMERG - "You have some hardware problem, likely on the PCI bus.\n"); - -#if defined(CONFIG_EDAC) - if (edac_handler_set()) { - edac_atomic_assert_error(); - return; - } -#endif - - if (panic_on_unrecovered_nmi) - panic("NMI: Not continuing"); - - printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); - - /* Clear and disable the memory parity error line. */ - reason = (reason & 0xf) | 4; - outb(reason, 0x61); -} - -static notrace __kprobes void -io_check_error(unsigned char reason, struct pt_regs *regs) -{ - unsigned long i; - - printk(KERN_EMERG "NMI: IOCK error (debug interrupt?)\n"); - show_registers(regs); - - /* Re-enable the IOCK line, wait for a few seconds */ - reason = (reason & 0xf) | 8; - outb(reason, 0x61); - - i = 2000; - while (--i) - udelay(1000); - - reason &= ~8; - outb(reason, 0x61); -} - -static notrace __kprobes void -unknown_nmi_error(unsigned char reason, struct pt_regs *regs) -{ - if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == - NOTIFY_STOP) - return; -#ifdef CONFIG_MCA - /* - * Might actually be able to figure out what the guilty party - * is: - */ - if (MCA_bus) { - mca_handle_nmi(); - return; - } -#endif - printk(KERN_EMERG - "Uhhuh. NMI received for unknown reason %02x on CPU %d.\n", - reason, smp_processor_id()); - - printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n"); - if (panic_on_unrecovered_nmi) - panic("NMI: Not continuing"); - - printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); -} - -#ifdef CONFIG_X86_32 -static DEFINE_SPINLOCK(nmi_print_lock); - -void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) -{ - if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) - return; - - spin_lock(&nmi_print_lock); - /* - * We are in trouble anyway, lets at least try - * to get a message out: - */ - bust_spinlocks(1); - printk(KERN_EMERG "%s", str); - printk(" on CPU%d, ip %08lx, registers:\n", - smp_processor_id(), regs->ip); - show_registers(regs); - if (do_panic) - panic("Non maskable interrupt"); - console_silent(); - spin_unlock(&nmi_print_lock); - bust_spinlocks(0); - - /* - * If we are in kernel we are probably nested up pretty bad - * and might aswell get out now while we still can: - */ - if (!user_mode_vm(regs)) { - current->thread.trap_no = 2; - crash_kexec(regs); - } - - do_exit(SIGSEGV); -} -#endif - -static notrace __kprobes void default_do_nmi(struct pt_regs *regs) -{ - unsigned char reason = 0; - int cpu; - - cpu = smp_processor_id(); - - /* Only the BSP gets external NMIs from the system. */ - if (!cpu) - reason = get_nmi_reason(); - - if (!(reason & 0xc0)) { - if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT) - == NOTIFY_STOP) - return; -#ifdef CONFIG_X86_LOCAL_APIC - /* - * Ok, so this is none of the documented NMI sources, - * so it must be the NMI watchdog. - */ - if (nmi_watchdog_tick(regs, reason)) - return; - if (!do_nmi_callback(regs, cpu)) - unknown_nmi_error(reason, regs); -#else - unknown_nmi_error(reason, regs); -#endif - - return; - } - if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP) - return; - - /* AK: following checks seem to be broken on modern chipsets. FIXME */ - if (reason & 0x80) - mem_parity_error(reason, regs); - if (reason & 0x40) - io_check_error(reason, regs); -#ifdef CONFIG_X86_32 - /* - * Reassert NMI in case it became active meanwhile - * as it's edge-triggered: - */ - reassert_nmi(); -#endif -} - -dotraplinkage notrace __kprobes void -do_nmi(struct pt_regs *regs, long error_code) -{ - nmi_enter(); - -#ifdef CONFIG_X86_32 - { int cpu; cpu = smp_processor_id(); ++nmi_count(cpu); } -#else - add_pda(__nmi_count, 1); -#endif - - if (!ignore_nmis) - default_do_nmi(regs); - - nmi_exit(); -} - -void stop_nmi(void) -{ - acpi_nmi_disable(); - ignore_nmis++; -} - -void restart_nmi(void) -{ - ignore_nmis--; - acpi_nmi_enable(); -} - -/* May run on IST stack. */ -dotraplinkage void __kprobes do_int3(struct pt_regs *regs, long error_code) -{ -#ifdef CONFIG_KPROBES - if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) - == NOTIFY_STOP) - return; -#else - if (notify_die(DIE_TRAP, "int3", regs, error_code, 3, SIGTRAP) - == NOTIFY_STOP) - return; -#endif - - preempt_conditional_sti(regs); - do_trap(3, SIGTRAP, "int3", regs, error_code, NULL); - preempt_conditional_cli(regs); -} - -#ifdef CONFIG_X86_64 -/* Help handler running on IST stack to switch back to user stack - for scheduling or signal handling. The actual stack switch is done in - entry.S */ -asmlinkage __kprobes struct pt_regs *sync_regs(struct pt_regs *eregs) -{ - struct pt_regs *regs = eregs; - /* Did already sync */ - if (eregs == (struct pt_regs *)eregs->sp) - ; - /* Exception from user space */ - else if (user_mode(eregs)) - regs = task_pt_regs(current); - /* Exception from kernel and interrupts are enabled. Move to - kernel process stack. */ - else if (eregs->flags & X86_EFLAGS_IF) - regs = (struct pt_regs *)(eregs->sp -= sizeof(struct pt_regs)); - if (eregs != regs) - *regs = *eregs; - return regs; -} -#endif - -/* - * Our handling of the processor debug registers is non-trivial. - * We do not clear them on entry and exit from the kernel. Therefore - * it is possible to get a watchpoint trap here from inside the kernel. - * However, the code in ./ptrace.c has ensured that the user can - * only set watchpoints on userspace addresses. Therefore the in-kernel - * watchpoint trap can only occur in code which is reading/writing - * from user space. Such code must not hold kernel locks (since it - * can equally take a page fault), therefore it is safe to call - * force_sig_info even though that claims and releases locks. - * - * Code in ./signal.c ensures that the debug control register - * is restored before we deliver any signal, and therefore that - * user code runs with the correct debug control register even though - * we clear it here. - * - * Being careful here means that we don't have to be as careful in a - * lot of more complicated places (task switching can be a bit lazy - * about restoring all the debug state, and ptrace doesn't have to - * find every occurrence of the TF bit that could be saved away even - * by user code) - * - * May run on IST stack. - */ -dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) -{ - struct task_struct *tsk = current; - unsigned long condition; - int si_code; - - get_debugreg(condition, 6); - - /* - * The processor cleared BTF, so don't mark that we need it set. - */ - clear_tsk_thread_flag(tsk, TIF_DEBUGCTLMSR); - tsk->thread.debugctlmsr = 0; - - if (notify_die(DIE_DEBUG, "debug", regs, condition, error_code, - SIGTRAP) == NOTIFY_STOP) - return; - - /* It's safe to allow irq's after DR6 has been saved */ - preempt_conditional_sti(regs); - - /* Mask out spurious debug traps due to lazy DR7 setting */ - if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)) { - if (!tsk->thread.debugreg7) - goto clear_dr7; - } - -#ifdef CONFIG_X86_32 - if (regs->flags & X86_VM_MASK) - goto debug_vm86; -#endif - - /* Save debug status register where ptrace can see it */ - tsk->thread.debugreg6 = condition; - - /* - * Single-stepping through TF: make sure we ignore any events in - * kernel space (but re-enable TF when returning to user mode). - */ - if (condition & DR_STEP) { - if (!user_mode(regs)) - goto clear_TF_reenable; - } - - si_code = get_si_code(condition); - /* Ok, finally something we can handle */ - send_sigtrap(tsk, regs, error_code, si_code); - - /* - * Disable additional traps. They'll be re-enabled when - * the signal is delivered. - */ -clear_dr7: - set_debugreg(0, 7); - preempt_conditional_cli(regs); - return; - -#ifdef CONFIG_X86_32 -debug_vm86: - handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, 1); - preempt_conditional_cli(regs); - return; -#endif - -clear_TF_reenable: - set_tsk_thread_flag(tsk, TIF_SINGLESTEP); - regs->flags &= ~X86_EFLAGS_TF; - preempt_conditional_cli(regs); - return; -} - -#ifdef CONFIG_X86_64 -static int kernel_math_error(struct pt_regs *regs, const char *str, int trapnr) -{ - if (fixup_exception(regs)) - return 1; - - notify_die(DIE_GPF, str, regs, 0, trapnr, SIGFPE); - /* Illegal floating point operation in the kernel */ - current->thread.trap_no = trapnr; - die(str, regs, 0); - return 0; -} -#endif - -/* - * Note that we play around with the 'TS' bit in an attempt to get - * the correct behaviour even in the presence of the asynchronous - * IRQ13 behaviour - */ -void math_error(void __user *ip) -{ - struct task_struct *task; - siginfo_t info; - unsigned short cwd, swd; - - /* - * Save the info for the exception handler and clear the error. - */ - task = current; - save_init_fpu(task); - task->thread.trap_no = 16; - task->thread.error_code = 0; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = __SI_FAULT; - info.si_addr = ip; - /* - * (~cwd & swd) will mask out exceptions that are not set to unmasked - * status. 0x3f is the exception bits in these regs, 0x200 is the - * C1 reg you need in case of a stack fault, 0x040 is the stack - * fault bit. We should only be taking one exception at a time, - * so if this combination doesn't produce any single exception, - * then we have a bad program that isn't synchronizing its FPU usage - * and it will suffer the consequences since we won't be able to - * fully reproduce the context of the exception - */ - cwd = get_fpu_cwd(task); - swd = get_fpu_swd(task); - switch (swd & ~cwd & 0x3f) { - case 0x000: /* No unmasked exception */ -#ifdef CONFIG_X86_32 - return; -#endif - default: /* Multiple exceptions */ - break; - case 0x001: /* Invalid Op */ - /* - * swd & 0x240 == 0x040: Stack Underflow - * swd & 0x240 == 0x240: Stack Overflow - * User must clear the SF bit (0x40) if set - */ - info.si_code = FPE_FLTINV; - break; - case 0x002: /* Denormalize */ - case 0x010: /* Underflow */ - info.si_code = FPE_FLTUND; - break; - case 0x004: /* Zero Divide */ - info.si_code = FPE_FLTDIV; - break; - case 0x008: /* Overflow */ - info.si_code = FPE_FLTOVF; - break; - case 0x020: /* Precision */ - info.si_code = FPE_FLTRES; - break; - } - force_sig_info(SIGFPE, &info, task); -} - -dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) -{ - conditional_sti(regs); - -#ifdef CONFIG_X86_32 - ignore_fpu_irq = 1; -#else - if (!user_mode(regs) && - kernel_math_error(regs, "kernel x87 math error", 16)) - return; -#endif - - math_error((void __user *)regs->ip); -} - -static void simd_math_error(void __user *ip) -{ - struct task_struct *task; - siginfo_t info; - unsigned short mxcsr; - - /* - * Save the info for the exception handler and clear the error. - */ - task = current; - save_init_fpu(task); - task->thread.trap_no = 19; - task->thread.error_code = 0; - info.si_signo = SIGFPE; - info.si_errno = 0; - info.si_code = __SI_FAULT; - info.si_addr = ip; - /* - * The SIMD FPU exceptions are handled a little differently, as there - * is only a single status/control register. Thus, to determine which - * unmasked exception was caught we must mask the exception mask bits - * at 0x1f80, and then use these to mask the exception bits at 0x3f. - */ - mxcsr = get_fpu_mxcsr(task); - switch (~((mxcsr & 0x1f80) >> 7) & (mxcsr & 0x3f)) { - case 0x000: - default: - break; - case 0x001: /* Invalid Op */ - info.si_code = FPE_FLTINV; - break; - case 0x002: /* Denormalize */ - case 0x010: /* Underflow */ - info.si_code = FPE_FLTUND; - break; - case 0x004: /* Zero Divide */ - info.si_code = FPE_FLTDIV; - break; - case 0x008: /* Overflow */ - info.si_code = FPE_FLTOVF; - break; - case 0x020: /* Precision */ - info.si_code = FPE_FLTRES; - break; - } - force_sig_info(SIGFPE, &info, task); -} - -dotraplinkage void -do_simd_coprocessor_error(struct pt_regs *regs, long error_code) -{ - conditional_sti(regs); - -#ifdef CONFIG_X86_32 - if (cpu_has_xmm) { - /* Handle SIMD FPU exceptions on PIII+ processors. */ - ignore_fpu_irq = 1; - simd_math_error((void __user *)regs->ip); - return; - } - /* - * Handle strange cache flush from user space exception - * in all other cases. This is undocumented behaviour. - */ - if (regs->flags & X86_VM_MASK) { - handle_vm86_fault((struct kernel_vm86_regs *)regs, error_code); - return; - } - current->thread.trap_no = 19; - current->thread.error_code = error_code; - die_if_kernel("cache flush denied", regs, error_code); - force_sig(SIGSEGV, current); -#else - if (!user_mode(regs) && - kernel_math_error(regs, "kernel simd math error", 19)) - return; - simd_math_error((void __user *)regs->ip); -#endif -} - -dotraplinkage void -do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) -{ - conditional_sti(regs); -#if 0 - /* No need to warn about this any longer. */ - printk(KERN_INFO "Ignoring P6 Local APIC Spurious Interrupt Bug...\n"); -#endif -} - -#ifdef CONFIG_X86_32 -unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp) -{ - struct desc_struct *gdt = get_cpu_gdt_table(smp_processor_id()); - unsigned long base = (kesp - uesp) & -THREAD_SIZE; - unsigned long new_kesp = kesp - base; - unsigned long lim_pages = (new_kesp | (THREAD_SIZE - 1)) >> PAGE_SHIFT; - __u64 desc = *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS]; - - /* Set up base for espfix segment */ - desc &= 0x00f0ff0000000000ULL; - desc |= ((((__u64)base) << 16) & 0x000000ffffff0000ULL) | - ((((__u64)base) << 32) & 0xff00000000000000ULL) | - ((((__u64)lim_pages) << 32) & 0x000f000000000000ULL) | - (lim_pages & 0xffff); - *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS] = desc; - - return new_kesp; -} -#else -asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) -{ -} - -asmlinkage void __attribute__((weak)) mce_threshold_interrupt(void) -{ -} -#endif - -/* - * 'math_state_restore()' saves the current math information in the - * old math state array, and gets the new ones from the current task - * - * Careful.. There are problems with IBM-designed IRQ13 behaviour. - * Don't touch unless you *really* know how it works. - * - * Must be called with kernel preemption disabled (in this case, - * local interrupts are disabled at the call-site in entry.S). - */ -asmlinkage void math_state_restore(void) -{ - struct thread_info *thread = current_thread_info(); - struct task_struct *tsk = thread->task; - - if (!tsk_used_math(tsk)) { - local_irq_enable(); - /* - * does a slab alloc which can sleep - */ - if (init_fpu(tsk)) { - /* - * ran out of memory! - */ - do_group_exit(SIGKILL); - return; - } - local_irq_disable(); - } - - clts(); /* Allow maths ops (or we recurse) */ -#ifdef CONFIG_X86_32 - restore_fpu(tsk); -#else - /* - * Paranoid restore. send a SIGSEGV if we fail to restore the state. - */ - if (unlikely(restore_fpu_checking(tsk))) { - stts(); - force_sig(SIGSEGV, tsk); - return; - } -#endif - thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ - tsk->fpu_counter++; -} -EXPORT_SYMBOL_GPL(math_state_restore); - -#ifndef CONFIG_MATH_EMULATION -asmlinkage void math_emulate(long arg) -{ - printk(KERN_EMERG - "math-emulation not enabled and no coprocessor found.\n"); - printk(KERN_EMERG "killing %s.\n", current->comm); - force_sig(SIGFPE, current); - schedule(); -} -#endif /* CONFIG_MATH_EMULATION */ - -dotraplinkage void __kprobes -do_device_not_available(struct pt_regs *regs, long error) -{ -#ifdef CONFIG_X86_32 - if (read_cr0() & X86_CR0_EM) { - conditional_sti(regs); - math_emulate(0); - } else { - math_state_restore(); /* interrupts still off */ - conditional_sti(regs); - } -#else - math_state_restore(); -#endif -} - -#ifdef CONFIG_X86_32 -#ifdef CONFIG_X86_MCE -dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error) -{ - conditional_sti(regs); - machine_check_vector(regs, error); -} -#endif - -dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code) -{ - siginfo_t info; - local_irq_enable(); - - info.si_signo = SIGILL; - info.si_errno = 0; - info.si_code = ILL_BADSTK; - info.si_addr = 0; - if (notify_die(DIE_TRAP, "iret exception", - regs, error_code, 32, SIGILL) == NOTIFY_STOP) - return; - do_trap(32, SIGILL, "iret exception", regs, error_code, &info); -} -#endif - -void __init trap_init(void) -{ -#ifdef CONFIG_X86_32 - int i; -#endif - -#ifdef CONFIG_EISA - void __iomem *p = early_ioremap(0x0FFFD9, 4); - - if (readl(p) == 'E' + ('I'<<8) + ('S'<<16) + ('A'<<24)) - EISA_bus = 1; - early_iounmap(p, 4); -#endif - - set_intr_gate(0, ÷_error); - set_intr_gate_ist(1, &debug, DEBUG_STACK); - set_intr_gate_ist(2, &nmi, NMI_STACK); - /* int3 can be called from all */ - set_system_intr_gate_ist(3, &int3, DEBUG_STACK); - /* int4 can be called from all */ - set_system_intr_gate(4, &overflow); - set_intr_gate(5, &bounds); - set_intr_gate(6, &invalid_op); - set_intr_gate(7, &device_not_available); -#ifdef CONFIG_X86_32 - set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS); -#else - set_intr_gate_ist(8, &double_fault, DOUBLEFAULT_STACK); -#endif - set_intr_gate(9, &coprocessor_segment_overrun); - set_intr_gate(10, &invalid_TSS); - set_intr_gate(11, &segment_not_present); - set_intr_gate_ist(12, &stack_segment, STACKFAULT_STACK); - set_intr_gate(13, &general_protection); - set_intr_gate(14, &page_fault); - set_intr_gate(15, &spurious_interrupt_bug); - set_intr_gate(16, &coprocessor_error); - set_intr_gate(17, &alignment_check); -#ifdef CONFIG_X86_MCE - set_intr_gate_ist(18, &machine_check, MCE_STACK); -#endif - set_intr_gate(19, &simd_coprocessor_error); - -#ifdef CONFIG_IA32_EMULATION - set_system_intr_gate(IA32_SYSCALL_VECTOR, ia32_syscall); -#endif - -#ifdef CONFIG_X86_32 - if (cpu_has_fxsr) { - printk(KERN_INFO "Enabling fast FPU save and restore... "); - set_in_cr4(X86_CR4_OSFXSR); - printk("done.\n"); - } - if (cpu_has_xmm) { - printk(KERN_INFO - "Enabling unmasked SIMD FPU exception support... "); - set_in_cr4(X86_CR4_OSXMMEXCPT); - printk("done.\n"); - } - - set_system_trap_gate(SYSCALL_VECTOR, &system_call); - - /* Reserve all the builtin and the syscall vector: */ - for (i = 0; i < FIRST_EXTERNAL_VECTOR; i++) - set_bit(i, used_vectors); - - set_bit(SYSCALL_VECTOR, used_vectors); -#endif - /* - * Should be a barrier for any external CPU state: - */ - cpu_init(); - -#ifdef CONFIG_X86_32 - trap_init_hook(); -#endif -} -- GitLab From dd6e4eba1c03c9562fced21736453396c045f869 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:40 +0200 Subject: [PATCH 4204/6244] dumpstack: x86: move die_nmi to dumpstack_32.c For some reason die_nmi is still defined in traps.c for i386, but is found in dumpstack_64.c for x86_64. Move it to dumpstack_32.c Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 36 +++++++++++++++++++++++++++++++++ arch/x86/kernel/traps.c | 37 ---------------------------------- 2 files changed, 36 insertions(+), 37 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index c398b27df6cd..dc9ca7ee1c47 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -403,6 +403,42 @@ void die(const char *str, struct pt_regs *regs, long err) oops_end(flags, regs, SIGSEGV); } +static DEFINE_SPINLOCK(nmi_print_lock); + +void notrace __kprobes +die_nmi(char *str, struct pt_regs *regs, int do_panic) +{ + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) + return; + + spin_lock(&nmi_print_lock); + /* + * We are in trouble anyway, lets at least try + * to get a message out: + */ + bust_spinlocks(1); + printk(KERN_EMERG "%s", str); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->ip); + show_registers(regs); + if (do_panic) + panic("Non maskable interrupt"); + console_silent(); + spin_unlock(&nmi_print_lock); + bust_spinlocks(0); + + /* + * If we are in kernel we are probably nested up pretty bad + * and might aswell get out now while we still can: + */ + if (!user_mode_vm(regs)) { + current->thread.trap_no = 2; + crash_kexec(regs); + } + + do_exit(SIGSEGV); +} + static int __init kstack_setup(char *s) { kstack_depth_to_print = simple_strtoul(s, NULL, 0); diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index ffb131f74f78..e062974cce34 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -429,43 +429,6 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) printk(KERN_EMERG "Dazed and confused, but trying to continue\n"); } -#ifdef CONFIG_X86_32 -static DEFINE_SPINLOCK(nmi_print_lock); - -void notrace __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) -{ - if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, 2, SIGINT) == NOTIFY_STOP) - return; - - spin_lock(&nmi_print_lock); - /* - * We are in trouble anyway, lets at least try - * to get a message out: - */ - bust_spinlocks(1); - printk(KERN_EMERG "%s", str); - printk(" on CPU%d, ip %08lx, registers:\n", - smp_processor_id(), regs->ip); - show_registers(regs); - if (do_panic) - panic("Non maskable interrupt"); - console_silent(); - spin_unlock(&nmi_print_lock); - bust_spinlocks(0); - - /* - * If we are in kernel we are probably nested up pretty bad - * and might aswell get out now while we still can: - */ - if (!user_mode_vm(regs)) { - current->thread.trap_no = 2; - crash_kexec(regs); - } - - do_exit(SIGSEGV); -} -#endif - static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { unsigned char reason = 0; -- GitLab From 161827903bdc124655f4cd976b9f0a5ac6ebf21c Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:41 +0200 Subject: [PATCH 4205/6244] dumpstack: x86: make printk_address equal - x86_64: use %p to print an address - make i386-version the same as the above The result should be the same on x86_64; on i386 the output only changes if CONFIG_KALLSYMS is turned off, in which case the address is printed twice. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 27 ++------------------------- arch/x86/kernel/dumpstack_64.c | 4 ++-- 2 files changed, 4 insertions(+), 27 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index dc9ca7ee1c47..4e67a005c7a1 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -23,31 +23,8 @@ static int die_counter; void printk_address(unsigned long address, int reliable) { -#ifdef CONFIG_KALLSYMS - unsigned long offset = 0; - unsigned long symsize; - const char *symname; - char *modname; - char *delim = ":"; - char namebuf[KSYM_NAME_LEN]; - char reliab[4] = ""; - - symname = kallsyms_lookup(address, &symsize, &offset, - &modname, namebuf); - if (!symname) { - printk(" [<%08lx>]\n", address); - return; - } - if (!reliable) - strcpy(reliab, "? "); - - if (!modname) - modname = delim = ""; - printk(" [<%08lx>] %s%s%s%s%s+0x%lx/0x%lx\n", - address, reliab, delim, modname, delim, symname, offset, symsize); -#else - printk(" [<%08lx>]\n", address); -#endif + printk(" [<%p>] %s%pS\n", (void *) address, + reliable ? "" : "? ", (void *) address); } static inline int valid_stack_ptr(struct thread_info *tinfo, diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 6f1505074db0..563554c90686 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -23,8 +23,8 @@ static int die_counter; void printk_address(unsigned long address, int reliable) { - printk(" [<%016lx>] %s%pS\n", - address, reliable ? "" : "? ", (void *) address); + printk(" [<%p>] %s%pS\n", (void *) address, + reliable ? "" : "? ", (void *) address); } static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, -- GitLab From 3a18512db00e0eedca86e3db4d2e81f8fe0b1774 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:42 +0200 Subject: [PATCH 4206/6244] dumpstack: x86: add "end" parameter to valid_stack_ptr and print_context_stack - Add "end" parameter to valid_stack_ptr and print_context_stack - use sizeof(long) as the size of a word on the stack Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 19 +++++++++++++------ arch/x86/kernel/dumpstack_64.c | 2 +- 2 files changed, 14 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 4e67a005c7a1..466d55dfeb87 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -28,10 +28,16 @@ void printk_address(unsigned long address, int reliable) } static inline int valid_stack_ptr(struct thread_info *tinfo, - void *p, unsigned int size) + void *p, unsigned int size, void *end) { void *t = tinfo; - return p > t && p <= t + THREAD_SIZE - size; + if (end) { + if (p < end && p >= (end-THREAD_SIZE)) + return 1; + else + return 0; + } + return p > t && p < t + THREAD_SIZE - size; } /* The form of the top of the frame on the stack */ @@ -43,16 +49,17 @@ struct stack_frame { static inline unsigned long print_context_stack(struct thread_info *tinfo, unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data) + const struct stacktrace_ops *ops, void *data, + unsigned long *end) { struct stack_frame *frame = (struct stack_frame *)bp; - while (valid_stack_ptr(tinfo, stack, sizeof(*stack))) { + while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { unsigned long addr; addr = *stack; if (__kernel_text_address(addr)) { - if ((unsigned long) stack == bp + 4) { + if ((unsigned long) stack == bp + sizeof(long)) { ops->address(data, addr, 1); frame = frame->next_frame; bp = (unsigned long) frame; @@ -96,7 +103,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); - bp = print_context_stack(context, stack, bp, ops, data); + bp = print_context_stack(context, stack, bp, ops, data, NULL); /* * Should be after the line below, but somewhere * in early boot context comes out corrupted and we diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 563554c90686..361afa8864b4 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -141,7 +141,7 @@ print_context_stack(struct thread_info *tinfo, addr = *stack; if (__kernel_text_address(addr)) { - if ((unsigned long) stack == bp + 8) { + if ((unsigned long) stack == bp + sizeof(long)) { ops->address(data, addr, 1); frame = frame->next_frame; bp = (unsigned long) frame; -- GitLab From 2ac53721f37c79acddaf60f6ff232f56b7abddba Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:43 +0200 Subject: [PATCH 4207/6244] dumptrace: x86: consistently include loglevel, print stack switch - i386 and x86_64: always printk the 'data' parameter - i386: announce stack switch (irq -> normal) - i386: check if there is a stack switch before announcing it There is a warning that 'context' might come out corrupt in early boot. If this is true it should be fixed, not worked around. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 17 ++++++----------- arch/x86/kernel/dumpstack_64.c | 9 +++++++-- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 466d55dfeb87..517b507bc56a 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -104,16 +104,12 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); bp = print_context_stack(context, stack, bp, ops, data, NULL); - /* - * Should be after the line below, but somewhere - * in early boot context comes out corrupted and we - * can't reference it: - */ - if (ops->stack(data, "IRQ") < 0) - break; + stack = (unsigned long *)context->previous_esp; if (!stack) break; + if (ops->stack(data, "IRQ") < 0) + break; touch_nmi_watchdog(); } } @@ -134,6 +130,7 @@ static void print_trace_warning(void *data, char *msg) static int print_trace_stack(void *data, char *name) { + printk("%s <%s> ", (char *)data, name); return 0; } @@ -142,11 +139,9 @@ static int print_trace_stack(void *data, char *name) */ static void print_trace_address(void *data, unsigned long addr, int reliable) { - printk("%s [<%08lx>] ", (char *)data, addr); - if (!reliable) - printk("? "); - print_symbol("%s\n", addr); touch_nmi_watchdog(); + printk(data); + printk_address(addr, reliable); } static const struct stacktrace_ops print_trace_ops = { diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 361afa8864b4..521c833cdc3b 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -247,24 +247,29 @@ EXPORT_SYMBOL(dump_trace); static void print_trace_warning_symbol(void *data, char *msg, unsigned long symbol) { + printk(data); print_symbol(msg, symbol); printk("\n"); } static void print_trace_warning(void *data, char *msg) { - printk("%s\n", msg); + printk("%s%s\n", (char *)data, msg); } static int print_trace_stack(void *data, char *name) { - printk(" <%s> ", name); + printk("%s <%s> ", (char *)data, name); return 0; } +/* + * Print one address/symbol entries per line. + */ static void print_trace_address(void *data, unsigned long addr, int reliable) { touch_nmi_watchdog(); + printk(data); printk_address(addr, reliable); } -- GitLab From ca0a816403c53411bb6b6fb8bf60cef30695b09d Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:44 +0200 Subject: [PATCH 4208/6244] dumpstack: x86: use log_lvl and unify trace formatting - x86: Write log_lvl strings if available - start raw stack dumps on new line - i386: Remove extra indentation for raw stack dumps Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 18 +++++++++--------- arch/x86/kernel/dumpstack_64.c | 8 ++++---- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 517b507bc56a..09bc3330d557 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -155,8 +155,8 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, unsigned long bp, char *log_lvl) { + printk("%sCall Trace:\n", log_lvl); dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); - printk("%s =======================\n", log_lvl); } void show_trace(struct task_struct *task, struct pt_regs *regs, @@ -184,17 +184,16 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, if (kstack_end(stack)) break; if (i && ((i % 8) == 0)) - printk("\n%s ", log_lvl); - printk("%08lx ", *stack++); + printk("\n%s", log_lvl); + printk(" %08lx", *stack++); + touch_nmi_watchdog(); } - printk("\n%sCall Trace:\n", log_lvl); - + printk("\n"); show_trace_log_lvl(task, regs, sp, bp, log_lvl); } void show_stack(struct task_struct *task, unsigned long *sp) { - printk(" "); show_stack_log_lvl(task, NULL, sp, 0, ""); } @@ -229,7 +228,7 @@ void show_registers(struct pt_regs *regs) print_modules(); __show_regs(regs, 0); - printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)", + printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)\n", TASK_COMM_LEN, current->comm, task_pid_nr(current), current_thread_info(), current, task_thread_info(current)); /* @@ -242,8 +241,9 @@ void show_registers(struct pt_regs *regs) unsigned char c; u8 *ip; - printk("\n" KERN_EMERG "Stack: "); - show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG); + printk(KERN_EMERG "Stack:\n"); + show_stack_log_lvl(NULL, regs, ®s->sp, + 0, KERN_EMERG); printk(KERN_EMERG "Code: "); diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 521c833cdc3b..7fd32944ceac 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -284,7 +284,7 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, unsigned long bp, char *log_lvl) { - printk("Call Trace:\n"); + printk("%sCall Trace:\n", log_lvl); dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl); } @@ -330,7 +330,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, break; } if (i && ((i % 4) == 0)) - printk("\n"); + printk("\n%s", log_lvl); printk(" %016lx", *stack++); touch_nmi_watchdog(); } @@ -388,9 +388,9 @@ void show_registers(struct pt_regs *regs) unsigned char c; u8 *ip; - printk("Stack: "); + printk(KERN_EMERG "Stack:\n"); show_stack_log_lvl(NULL, regs, (unsigned long *)sp, - regs->bp, ""); + regs->bp, KERN_EMERG); printk(KERN_EMERG "Code: "); -- GitLab From 802a67de0cbd1ef10df80ad48b840e2103b13e52 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:45 +0200 Subject: [PATCH 4209/6244] dumpstack: i386: make kstack= an early boot-param and add oops=panic - make kstack= and early_param - add oops=panic, setting panic_on_oops Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 09bc3330d557..9a8920abe4ba 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -418,13 +418,24 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic) do_exit(SIGSEGV); } +static int __init oops_setup(char *s) +{ + if (!s) + return -EINVAL; + if (!strcmp(s, "panic")) + panic_on_oops = 1; + return 0; +} +early_param("oops", oops_setup); + static int __init kstack_setup(char *s) { + if (!s) + return -EINVAL; kstack_depth_to_print = simple_strtoul(s, NULL, 0); - - return 1; + return 0; } -__setup("kstack=", kstack_setup); +early_param("kstack", kstack_setup); static int __init code_bytes_setup(char *s) { -- GitLab From 8a541665b9063c5006b370d4488cf9f6beb6083f Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sat, 4 Oct 2008 23:12:46 +0200 Subject: [PATCH 4210/6244] dumpstack: x86: various small unification steps - define STACKSLOTS_PER_LINE and use it - define get_bp macro to hide the %%ebp/%%rbp difference - i386: check task==NULL in dump_trace, like x86_64 - i386: show_trace(NULL, ...) uses current automatically - x86_64: use [#%d] for die_counter, like i386 - whitespace and comments Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_32.c | 23 +++++++++++------------ arch/x86/kernel/dumpstack_64.c | 15 +++++++++------ 2 files changed, 20 insertions(+), 18 deletions(-) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 9a8920abe4ba..201ee359a1a9 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -16,8 +16,11 @@ #include +#define STACKSLOTS_PER_LINE 8 +#define get_bp(bp) asm("movl %%ebp, %0" : "=r" (bp) :) + int panic_on_unrecovered_nmi; -int kstack_depth_to_print = 24; +int kstack_depth_to_print = 3 * STACKSLOTS_PER_LINE; static unsigned int code_bytes = 64; static int die_counter; @@ -82,7 +85,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!stack) { unsigned long dummy; stack = &dummy; - if (task != current) + if (task && task != current) stack = (unsigned long *)task->thread.sp; } @@ -90,7 +93,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!bp) { if (task == current) { /* Grab bp right from our regs */ - asm("movl %%ebp, %0" : "=r" (bp) :); + get_bp(bp); } else { /* bp is the last reg pushed by switch_to */ bp = *(unsigned long *) task->thread.sp; @@ -167,7 +170,7 @@ void show_trace(struct task_struct *task, struct pt_regs *regs, static void show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *sp, unsigned long bp, char *log_lvl) + unsigned long *sp, unsigned long bp, char *log_lvl) { unsigned long *stack; int i; @@ -183,7 +186,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, for (i = 0; i < kstack_depth_to_print; i++) { if (kstack_end(stack)) break; - if (i && ((i % 8) == 0)) + if (i && ((i % STACKSLOTS_PER_LINE) == 0)) printk("\n%s", log_lvl); printk(" %08lx", *stack++); touch_nmi_watchdog(); @@ -207,7 +210,7 @@ void dump_stack(void) #ifdef CONFIG_FRAME_POINTER if (!bp) - asm("movl %%ebp, %0" : "=r" (bp):); + get_bp(bp); #endif printk("Pid: %d, comm: %.20s %s %s %.*s\n", @@ -215,8 +218,7 @@ void dump_stack(void) init_utsname()->release, (int)strcspn(init_utsname()->version, " "), init_utsname()->version); - - show_trace(current, NULL, &stack, bp); + show_trace(NULL, NULL, &stack, bp); } EXPORT_SYMBOL(dump_stack); @@ -249,7 +251,7 @@ void show_registers(struct pt_regs *regs) ip = (u8 *)regs->ip - code_prologue; if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at EIP */ + /* try starting at IP */ ip = (u8 *)regs->ip; code_len = code_len - code_prologue + 1; } @@ -317,13 +319,10 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) if (kexec_should_crash(current)) crash_kexec(regs); - if (in_interrupt()) panic("Fatal exception in interrupt"); - if (panic_on_oops) panic("Fatal exception"); - oops_exit(); do_exit(signr); } diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 7fd32944ceac..13379a988292 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -16,8 +16,11 @@ #include +#define STACKSLOTS_PER_LINE 4 +#define get_bp(bp) asm("movl %%rbp, %0" : "=r" (bp) :) + int panic_on_unrecovered_nmi; -int kstack_depth_to_print = 12; +int kstack_depth_to_print = 3 * STACKSLOTS_PER_LINE; static unsigned int code_bytes = 64; static int die_counter; @@ -177,7 +180,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!bp) { if (task == current) { /* Grab bp right from our regs */ - asm("movq %%rbp, %0" : "=r" (bp) : ); + get_bp(bp); } else { /* bp is the last reg pushed by switch_to */ bp = *(unsigned long *) task->thread.sp; @@ -329,7 +332,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, if (((long) stack & (THREAD_SIZE-1)) == 0) break; } - if (i && ((i % 4) == 0)) + if (i && ((i % STACKSLOTS_PER_LINE) == 0)) printk("\n%s", log_lvl); printk(" %016lx", *stack++); touch_nmi_watchdog(); @@ -353,7 +356,7 @@ void dump_stack(void) #ifdef CONFIG_FRAME_POINTER if (!bp) - asm("movq %%rbp, %0" : "=r" (bp) : ); + get_bp(bp); #endif printk("Pid: %d, comm: %.20s %s %s %.*s\n", @@ -396,7 +399,7 @@ void show_registers(struct pt_regs *regs) ip = (u8 *)regs->ip - code_prologue; if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at RIP */ + /* try starting at IP */ ip = (u8 *)regs->ip; code_len = code_len - code_prologue + 1; } @@ -475,7 +478,7 @@ void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) int __kprobes __die(const char *str, struct pt_regs *regs, long err) { - printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff, ++die_counter); + printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); #endif -- GitLab From 649c6653fa94ec8f3ea32b19c97b790ec4e8e4ac Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 5 Oct 2008 16:52:24 +0200 Subject: [PATCH 4211/6244] x86: improve UP kernel when CPU-hotplug and SMP is enabled num_possible_cpus() can be > 1 when disabled CPUs have been accounted. Disabled CPUs are not in the cpu_present_map, so we can use num_present_cpus() as a safe indicator to switch to UP alternatives. Reported-by: Chuck Ebbert Signed-off-by: Thomas Gleixner Cc: Signed-off-by: Ingo Molnar --- arch/x86/kernel/alternative.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index fb04e49776ba..a84ac7b570e6 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -444,7 +444,7 @@ void __init alternative_instructions(void) _text, _etext); /* Only switch to UP mode if we don't immediately boot others */ - if (num_possible_cpus() == 1 || setup_max_cpus <= 1) + if (num_present_cpus() == 1 || setup_max_cpus <= 1) alternatives_smp_switch(0); } #endif -- GitLab From b807305059c28fb8197496c944bfaa6b372a40ad Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sun, 5 Oct 2008 17:12:36 +0200 Subject: [PATCH 4212/6244] x86: remove additional_cpus configurability additional_cpus= parameter is dangerous and broken: for example if we boot additional_cpus=-2 on a stock dual-core system it will crash the box on bootup. So reduce the maze of code a bit by removingthe user-configurability angle. Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 18 ------------------ arch/x86/kernel/smpboot.c | 8 +------- 2 files changed, 1 insertion(+), 25 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index adaca6fa927d..fc8351f374fd 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1438,24 +1438,6 @@ config HOTPLUG_CPU automatically on SMP systems. ) Say N if you want to disable CPU hotplug. -config HOTPLUG_RESTRICT_TO_BOOTUP_CPUS - def_bool n - prompt "Restrict CPU hotplugging to processors found during boot" if HOTPLUG_CPU - ---help--- - Say no here to use the default, which allows as many CPUs as are marked - "disabled" by ACPI or MPTABLES to be hotplugged after bootup. - - Say yes if you do not want to allow CPUs to be added after booting, for - example if you only need CPU hotplugging enabled for suspend/resume. - - If CPU_HOTPLUG is enabled this value may be overridden at boot time - with the "additional_cpus" kernel parameter. - -config HOTPLUG_ADDITIONAL_CPUS - int - default 0 if !HOTPLUG_CPU || HOTPLUG_RESTRICT_TO_BOOTUP_CPUS - default -1 - config COMPAT_VDSO def_bool y prompt "Compat VDSO support" diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 857a88bb9195..8dd201c31329 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1261,7 +1261,7 @@ void __init native_smp_cpus_done(unsigned int max_cpus) check_nmi_watchdog(); } -static int additional_cpus __initdata = CONFIG_HOTPLUG_ADDITIONAL_CPUS; +static int additional_cpus = -1; /* * cpu_possible_map should be static, it cannot change as cpu's @@ -1334,12 +1334,6 @@ static void remove_siblinginfo(int cpu) cpu_clear(cpu, cpu_sibling_setup_map); } -static __init int setup_additional_cpus(char *s) -{ - return s && get_option(&s, &additional_cpus) ? 0 : -EINVAL; -} -early_param("additional_cpus", setup_additional_cpus); - static void __ref remove_cpu_from_maps(int cpu) { cpu_clear(cpu, cpu_online_map); -- GitLab From cb48bb59995d2d14a0c732835c80bbcfb354de31 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 5 Oct 2008 17:51:52 +0200 Subject: [PATCH 4213/6244] x86: remove additional_cpus remove remainder of additional_cpus logic. We now just listen to the disabled_cpus value like we did for years. disabled_cpus is always >= 0 so no need for an extra check. Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/kernel/smpboot.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8dd201c31329..8c3aca7cb343 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1261,8 +1261,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus) check_nmi_watchdog(); } -static int additional_cpus = -1; - /* * cpu_possible_map should be static, it cannot change as cpu's * are onlined, or offlined. The reason is per-cpu data-structures @@ -1282,21 +1280,13 @@ static int additional_cpus = -1; */ __init void prefill_possible_map(void) { - int i; - int possible; + int i, possible; /* no processor from mptable or madt */ if (!num_processors) num_processors = 1; - if (additional_cpus == -1) { - if (disabled_cpus > 0) - additional_cpus = disabled_cpus; - else - additional_cpus = 0; - } - - possible = num_processors + additional_cpus; + possible = num_processors + disabled_cpus; if (possible > NR_CPUS) possible = NR_CPUS; -- GitLab From 6a2ae2d9f9212de47c16e23080162aada882c8b6 Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Sun, 5 Oct 2008 12:39:36 +0200 Subject: [PATCH 4214/6244] dumpstack: x86: various small unification steps, fix After "dumpstack: x86: various small unification steps", the assembler gives the following compile error. The error is in dumpstack_64.c. {standard input}: Assembler messages: {standard input}:720: Error: Incorrect register `%rbx' used with `l' suffix {standard input}:1340: Error: Incorrect register `%r12' used with `l' suffix Indeed the suffix in get_bp() was wrong. Signed-off-by: Alexander van Heukelum Signed-off-by: Ingo Molnar --- arch/x86/kernel/dumpstack_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 13379a988292..086cc8118e39 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -17,7 +17,7 @@ #include #define STACKSLOTS_PER_LINE 4 -#define get_bp(bp) asm("movl %%rbp, %0" : "=r" (bp) :) +#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :) int panic_on_unrecovered_nmi; int kstack_depth_to_print = 3 * STACKSLOTS_PER_LINE; -- GitLab From 79aa10dd9fb0f896ce358314fdba20606c038864 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Fri, 29 Aug 2008 12:50:38 +0100 Subject: [PATCH 4215/6244] x86: adjust dependencies for CONFIG_X86_CMOV Signed-off-by: Jan Beulich Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.cpu | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index f4bdc0492d38..0b7c4a3f0651 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -397,7 +397,7 @@ config X86_CMPXCHG64 # generates cmov. config X86_CMOV def_bool y - depends on (MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || X86_64) + depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64) config X86_MINIMUM_CPU_FAMILY int -- GitLab From c1a2f4b10852ce68e70f7e4c53600c36cc63ea45 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 14 Sep 2008 02:33:12 -0700 Subject: [PATCH 4216/6244] x86: change early_ioremap to use slots instead of nesting so we could remove the requirement that one needs to call early_iounmap() in exactly reverse order of early_ioremap(). Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mm/ioremap.c | 77 +++++++++++++++++++++++++++---------- include/asm-x86/fixmap_32.h | 4 +- include/asm-x86/fixmap_64.h | 4 +- 3 files changed, 61 insertions(+), 24 deletions(-) diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 8876220d906b..e4c43ec71b29 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -616,16 +616,22 @@ static inline void __init early_clear_fixmap(enum fixed_addresses idx) __early_set_fixmap(idx, 0, __pgprot(0)); } - -static int __initdata early_ioremap_nested; - +static void *prev_map[FIX_BTMAPS_SLOTS] __initdata; +static unsigned long prev_size[FIX_BTMAPS_SLOTS] __initdata; static int __init check_early_ioremap_leak(void) { - if (!early_ioremap_nested) + int count = 0; + int i; + + for (i = 0; i < FIX_BTMAPS_SLOTS; i++) + if (prev_map[i]) + count++; + + if (!count) return 0; WARN(1, KERN_WARNING "Debug warning: early ioremap leak of %d areas detected.\n", - early_ioremap_nested); + count); printk(KERN_WARNING "please boot with early_ioremap_debug and report the dmesg.\n"); @@ -636,15 +642,30 @@ late_initcall(check_early_ioremap_leak); static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot) { unsigned long offset, last_addr; - unsigned int nrpages, nesting; + unsigned int nrpages; enum fixed_addresses idx0, idx; + int i, slot; WARN_ON(system_state != SYSTEM_BOOTING); - nesting = early_ioremap_nested; + slot = -1; + for (i = 0; i < FIX_BTMAPS_SLOTS; i++) { + if (!prev_map[i]) { + slot = i; + break; + } + } + + if (slot < 0) { + printk(KERN_INFO "early_iomap(%08lx, %08lx) not found slot\n", + phys_addr, size); + WARN_ON(1); + return NULL; + } + if (early_ioremap_debug) { printk(KERN_INFO "early_ioremap(%08lx, %08lx) [%d] => ", - phys_addr, size, nesting); + phys_addr, size, slot); dump_stack(); } @@ -655,11 +676,7 @@ static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, return NULL; } - if (nesting >= FIX_BTMAPS_NESTING) { - WARN_ON(1); - return NULL; - } - early_ioremap_nested++; + prev_size[slot] = size; /* * Mappings have to be page-aligned */ @@ -679,7 +696,7 @@ static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, /* * Ok, go for it.. */ - idx0 = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*nesting; + idx0 = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot; idx = idx0; while (nrpages > 0) { early_set_fixmap(idx, phys_addr, prot); @@ -690,7 +707,8 @@ static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, if (early_ioremap_debug) printk(KERN_CONT "%08lx + %08lx\n", offset, fix_to_virt(idx0)); - return (void *) (offset + fix_to_virt(idx0)); + prev_map[slot] = (void *) (offset + fix_to_virt(idx0)); + return prev_map[slot]; } /* Remap an IO device */ @@ -711,15 +729,33 @@ void __init early_iounmap(void *addr, unsigned long size) unsigned long offset; unsigned int nrpages; enum fixed_addresses idx; - int nesting; + int i, slot; + + slot = -1; + for (i = 0; i < FIX_BTMAPS_SLOTS; i++) { + if (prev_map[i] == addr) { + slot = i; + break; + } + } - nesting = --early_ioremap_nested; - if (WARN_ON(nesting < 0)) + if (slot < 0) { + printk(KERN_INFO "early_iounmap(%p, %08lx) not found slot\n", + addr, size); + WARN_ON(1); + return; + } + + if (prev_size[slot] != size) { + printk(KERN_INFO "early_iounmap(%p, %08lx) [%d] size not consistent %08lx\n", + addr, size, slot, prev_size[slot]); + WARN_ON(1); return; + } if (early_ioremap_debug) { printk(KERN_INFO "early_iounmap(%p, %08lx) [%d]\n", addr, - size, nesting); + size, slot); dump_stack(); } @@ -731,12 +767,13 @@ void __init early_iounmap(void *addr, unsigned long size) offset = virt_addr & ~PAGE_MASK; nrpages = PAGE_ALIGN(offset + size - 1) >> PAGE_SHIFT; - idx = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*nesting; + idx = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*slot; while (nrpages > 0) { early_clear_fixmap(idx); --idx; --nrpages; } + prev_map[slot] = 0; } void __this_fixmap_does_not_exist(void) diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h index 784e3e759866..8844002da0e0 100644 --- a/include/asm-x86/fixmap_32.h +++ b/include/asm-x86/fixmap_32.h @@ -94,10 +94,10 @@ enum fixed_addresses { * can have a single pgd entry and a single pte table: */ #define NR_FIX_BTMAPS 64 -#define FIX_BTMAPS_NESTING 4 +#define FIX_BTMAPS_SLOTS 4 FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - (__end_of_permanent_fixed_addresses & 255), - FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1, + FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, FIX_WP_TEST, #ifdef CONFIG_ACPI FIX_ACPI_BEGIN, diff --git a/include/asm-x86/fixmap_64.h b/include/asm-x86/fixmap_64.h index 33df64fd0e18..dab4751d1307 100644 --- a/include/asm-x86/fixmap_64.h +++ b/include/asm-x86/fixmap_64.h @@ -65,10 +65,10 @@ enum fixed_addresses { * can have a single pgd entry and a single pte table: */ #define NR_FIX_BTMAPS 64 -#define FIX_BTMAPS_NESTING 4 +#define FIX_BTMAPS_SLOTS 4 FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - (__end_of_permanent_fixed_addresses & 255), - FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_NESTING - 1, + FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, __end_of_fixed_addresses }; -- GitLab From e613f8fa5432d4cacaf81615f62b6d25d77947c5 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 11 Aug 2008 10:36:43 -0300 Subject: [PATCH 4217/6244] V4L/DVB (9140): anysee: unlock I2C-mutex in error case - unlock I2C-mutex also in error case Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/anysee.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/anysee.c b/drivers/media/dvb/dvb-usb/anysee.c index 2f408d2e1ef3..f511d105081f 100644 --- a/drivers/media/dvb/dvb-usb/anysee.c +++ b/drivers/media/dvb/dvb-usb/anysee.c @@ -178,14 +178,14 @@ static int anysee_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, inc = 1; } if (ret) - return ret; + break; i += inc; } mutex_unlock(&d->i2c_mutex); - return i; + return ret ? ret : i; } static u32 anysee_i2c_func(struct i2c_adapter *adapter) -- GitLab From 0f77c3a4880f33127bc8d593e0e466f004a4adde Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 11 Aug 2008 10:54:16 -0300 Subject: [PATCH 4218/6244] V4L/DVB (9141): anysee: support for Anysee E30 Combo Plus - add module parameter for selecting DVB-T / DVB-C mode Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/anysee.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/anysee.c b/drivers/media/dvb/dvb-usb/anysee.c index f511d105081f..c786359fba03 100644 --- a/drivers/media/dvb/dvb-usb/anysee.c +++ b/drivers/media/dvb/dvb-usb/anysee.c @@ -41,6 +41,9 @@ static int dvb_usb_anysee_debug; module_param_named(debug, dvb_usb_anysee_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); +int dvb_usb_anysee_delsys; +module_param_named(delsys, dvb_usb_anysee_delsys, int, 0644); +MODULE_PARM_DESC(delsys, "select delivery mode (0=DVB-C, 1=DVB-T)"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static struct mutex anysee_usb_mutex; @@ -272,9 +275,11 @@ static int anysee_frontend_attach(struct dvb_usb_adapter *adap) model demod hw firmware 1. E30 MT352 02 0.2.1 2. E30 ZL10353 02 0.2.1 - 3. E30 Plus ZL10353 06 0.1.0 - 4. E30C Plus TDA10023 0a 0.1.0 rev 0.2 - 4. E30C Plus TDA10023 0f 0.1.2 rev 0.4 + 3. E30 Combo ZL10353 0f 0.1.2 DVB-T/C combo + 4. E30 Plus ZL10353 06 0.1.0 + 5. E30C Plus TDA10023 0a 0.1.0 rev 0.2 + E30C Plus TDA10023 0f 0.1.2 rev 0.4 + E30 Combo TDA10023 0f 0.1.2 DVB-T/C combo */ /* Zarlink MT352 DVB-T demod inside of Samsung DNOS404ZH102A NIM */ @@ -293,6 +298,21 @@ static int anysee_frontend_attach(struct dvb_usb_adapter *adap) return 0; } + /* for E30 Combo Plus DVB-T demodulator */ + if (dvb_usb_anysee_delsys) { + ret = anysee_write_reg(adap->dev, 0xb0, 0x01); + if (ret) + return ret; + + /* Zarlink ZL10353 DVB-T demod */ + adap->fe = dvb_attach(zl10353_attach, &anysee_zl10353_config, + &adap->dev->i2c_adap); + if (adap->fe != NULL) { + state->tuner = DVB_PLL_SAMSUNG_DTOS403IH102A; + return 0; + } + } + /* connect demod on IO port D for TDA10023 & ZL10353 */ ret = anysee_write_reg(adap->dev, 0xb0, 0x25); if (ret) -- GitLab From 2dcd4e4766697f3d15284c48d2ef5192bf58131e Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 22 Sep 2008 13:48:26 -0300 Subject: [PATCH 4219/6244] V4L/DVB (9143): af9015: fix wrong GPIO - fix wrong GPIO that causes 2nd FE not to work ater warmboot Thanks to Andrew Williams for reporting this. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 3f6217bd0638..87752ca9772a 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -54,7 +54,6 @@ static struct af9013_config af9015_af9013_config[] = { .output_mode = AF9013_OUTPUT_MODE_USB, .api_version = { 0, 1, 9, 0 }, .gpio[0] = AF9013_GPIO_HI, - .gpio[1] = AF9013_GPIO_LO, .gpio[3] = AF9013_GPIO_TUNER_ON, }, { -- GitLab From a131077d57d0c52d0d481cb7c588752d0a211aa5 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 22 Sep 2008 13:59:25 -0300 Subject: [PATCH 4220/6244] V4L/DVB (9144): af9015: enable Maxlinear mxl5005s tuner RSSI - enable Maxlinear mxl5005s tuner RSSI Thaks to Jose Alberto for finding this setting. Thanks-to: Jose Alberto Reguero Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 87752ca9772a..1168e4b508db 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -1088,7 +1088,7 @@ static struct mxl5005s_config af9015_mxl5003_config = { .xtal_freq = CRYSTAL_FREQ_16000000HZ, .agc_mode = MXL_SINGLE_AGC, .tracking_filter = MXL_TF_DEFAULT, - .rssi_enable = MXL_RSSI_DISABLE, + .rssi_enable = MXL_RSSI_ENABLE, .cap_select = MXL_CAP_SEL_ENABLE, .div_out = MXL_DIV_OUT_4, .clock_out = MXL_CLOCK_OUT_DISABLE, @@ -1105,7 +1105,7 @@ static struct mxl5005s_config af9015_mxl5005_config = { .xtal_freq = CRYSTAL_FREQ_16000000HZ, .agc_mode = MXL_SINGLE_AGC, .tracking_filter = MXL_TF_OFF, - .rssi_enable = MXL_RSSI_DISABLE, + .rssi_enable = MXL_RSSI_ENABLE, .cap_select = MXL_CAP_SEL_ENABLE, .div_out = MXL_DIV_OUT_4, .clock_out = MXL_CLOCK_OUT_DISABLE, -- GitLab From d4e80beae1eef31df5749516ecb36f0fb366daf1 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Fri, 26 Sep 2008 11:40:53 -0300 Subject: [PATCH 4221/6244] V4L/DVB (9145): af901x: clean-up - remove unnecessary #undef's Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 2 -- drivers/media/dvb/frontends/af9013.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 1168e4b508db..8c183e55daa4 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -672,7 +672,6 @@ static int af9015_download_firmware(struct usb_device *udev, goto error; } } - #undef FW_PACKET_MAX_DATA /* firmware loaded, request boot */ req.cmd = BOOT; @@ -1377,7 +1376,6 @@ static struct dvb_usb_device_properties af9015_properties[] = { } } }; -#undef AF9015_DEFAULT_PROPERTIES static int af9015_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c index 50e1e3f300a0..0d2a0ad2bc4d 100644 --- a/drivers/media/dvb/frontends/af9013.c +++ b/drivers/media/dvb/frontends/af9013.c @@ -1500,8 +1500,6 @@ static int af9013_download_firmware(struct af9013_state *state) } } - #undef FW_PACKET_MAX_DATA - /* request boot firmware */ ret = af9013_write_reg(state, 0xe205, 1); if (ret) -- GitLab From 541dfa87f9285b2ff7e703a5eab81ad821de7f6e Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 6 Oct 2008 13:57:45 -0300 Subject: [PATCH 4222/6244] V4L/DVB (9146): af901x: fix some compiler errors and warnings - cast firmware data to u8 - remove cpu_to_le16 from switch-case label Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 12 ++++++------ drivers/media/dvb/frontends/af9013.c | 2 +- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 8c183e55daa4..67b13062a148 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -661,7 +661,7 @@ static int af9015_download_firmware(struct usb_device *udev, len = remainder; req.data_len = len; - req.data = (fw->data + i * FW_PACKET_MAX_DATA); + req.data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA); req.addr = addr; addr += FW_PACKET_MAX_DATA; @@ -742,7 +742,7 @@ static int af9015_read_config(struct usb_device *udev) } } else { switch (udev->descriptor.idVendor) { - case cpu_to_le16(USB_VID_LEADTEK): + case USB_VID_LEADTEK: af9015_properties[i].rc_key_map = af9015_rc_keys_leadtek; af9015_properties[i].rc_key_map_size = @@ -752,9 +752,9 @@ static int af9015_read_config(struct usb_device *udev) af9015_config.ir_table_size = ARRAY_SIZE(af9015_ir_table_leadtek); break; - case cpu_to_le16(USB_VID_VISIONPLUS): + case USB_VID_VISIONPLUS: if (udev->descriptor.idProduct == - cpu_to_le16(USB_PID_AZUREWAVE_AD_TU700)) { + USB_PID_AZUREWAVE_AD_TU700) { af9015_properties[i].rc_key_map = af9015_rc_keys_twinhan; af9015_properties[i].rc_key_map_size = @@ -765,7 +765,7 @@ static int af9015_read_config(struct usb_device *udev) ARRAY_SIZE(af9015_ir_table_twinhan); } break; - case cpu_to_le16(USB_VID_KWORLD_2): + case USB_VID_KWORLD_2: /* TODO: use correct rc keys */ af9015_properties[i].rc_key_map = af9015_rc_keys_twinhan; @@ -778,7 +778,7 @@ static int af9015_read_config(struct usb_device *udev) /* Check USB manufacturer and product strings and try to determine correct remote in case of chip vendor reference IDs are used. */ - case cpu_to_le16(USB_VID_AFATECH): + case USB_VID_AFATECH: memset(manufacturer, 0, sizeof(manufacturer)); usb_string(udev, udev->descriptor.iManufacturer, manufacturer, sizeof(manufacturer)); diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c index 0d2a0ad2bc4d..21c1060cf10e 100644 --- a/drivers/media/dvb/frontends/af9013.c +++ b/drivers/media/dvb/frontends/af9013.c @@ -1490,7 +1490,7 @@ static int af9013_download_firmware(struct af9013_state *state) if (i == packets) /* set size of the last packet */ len = remainder; - data = (fw->data + i * FW_PACKET_MAX_DATA); + data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA); ret = af9013_write_ofsm_regs(state, addr, data, len); addr += FW_PACKET_MAX_DATA; -- GitLab From 641015ab2c452e8e554625e2a8e95218182acb4b Mon Sep 17 00:00:00 2001 From: Herbert Graeber Date: Tue, 7 Oct 2008 10:06:36 -0300 Subject: [PATCH 4223/6244] V4L/DVB (9147): af9015: Add USB ID for MSI DIGIVOX mini III - Add USB ID for MSI DIGIVOX mini III (1462:8807) Signed-off-by: Herbert Graeber Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/af9015.c | 8 +++++++- drivers/media/dvb/dvb-usb/dvb-usb-ids.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index 67b13062a148..cb0829c038ce 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -1196,6 +1196,7 @@ static struct usb_device_id af9015_usb_table[] = { {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_X_2)}, {USB_DEVICE(USB_VID_TELESTAR, USB_PID_TELESTAR_STARSTICK_2)}, {USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A309)}, +/* 15 */{USB_DEVICE(USB_VID_MSI_2, USB_PID_MSI_DIGI_VOX_MINI_III)}, {0}, }; MODULE_DEVICE_TABLE(usb, af9015_usb_table); @@ -1346,7 +1347,7 @@ static struct dvb_usb_device_properties af9015_properties[] = { .i2c_algo = &af9015_i2c_algo, - .num_device_descs = 5, + .num_device_descs = 6, .devices = { { .name = "Xtensions XD-380", @@ -1373,6 +1374,11 @@ static struct dvb_usb_device_properties af9015_properties[] = { .cold_ids = {&af9015_usb_table[14], NULL}, .warm_ids = {NULL}, }, + { + .name = "MSI Digi VOX mini III", + .cold_ids = {&af9015_usb_table[15], NULL}, + .warm_ids = {NULL}, + }, } } }; diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index dfaf1d2574db..7380b94b3b36 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -232,5 +232,6 @@ #define USB_PID_DW2102 0x2102 #define USB_PID_XTENSIONS_XD_380 0x0381 #define USB_PID_TELESTAR_STARSTICK_2 0x8000 +#define USB_PID_MSI_DIGI_VOX_MINI_III 0x8807 #endif -- GitLab From adeeac3b7989ad9f03651e9224c9c63e221d4310 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sat, 5 Apr 2008 20:55:14 -0300 Subject: [PATCH 4224/6244] V4L/DVB (9149): hvr950q: led feedback based on snr Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/au8522.c | 133 ++++++++++++++++++++++++ drivers/media/dvb/frontends/au8522.h | 17 +++ drivers/media/video/au0828/au0828-dvb.c | 39 ++++++- 3 files changed, 188 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c index 0b82cc2a1e16..eabf9a68e7ec 100644 --- a/drivers/media/dvb/frontends/au8522.c +++ b/drivers/media/dvb/frontends/au8522.c @@ -40,6 +40,8 @@ struct au8522_state { u32 current_frequency; fe_modulation_t current_modulation; + u32 fe_status; + unsigned int led_state; }; static int debug; @@ -538,11 +540,98 @@ static int au8522_init(struct dvb_frontend *fe) return 0; } +static int au8522_led_gpio_enable(struct au8522_state *state, int onoff) +{ + struct au8522_led_config *led_config = state->config->led_cfg; + u8 val; + + /* bail out if we cant control an LED */ + if (!led_config || !led_config->gpio_output || + !led_config->gpio_output_enable || !led_config->gpio_output_disable) + return 0; + + val = au8522_readreg(state, 0x4000 | + (led_config->gpio_output & ~0xc000)); + if (onoff) { + /* enable GPIO output */ + val &= ~((led_config->gpio_output_enable >> 8) & 0xff); + val |= (led_config->gpio_output_enable & 0xff); + } else { + /* disable GPIO output */ + val &= ~((led_config->gpio_output_disable >> 8) & 0xff); + val |= (led_config->gpio_output_disable & 0xff); + } + return au8522_writereg(state, 0x8000 | + (led_config->gpio_output & ~0xc000), val); +} + +/* led = 0 | off + * led = 1 | signal ok + * led = 2 | signal strong + * led < 0 | only light led if leds are currently off + */ +static int au8522_led_ctrl(struct au8522_state *state, int led) +{ + struct au8522_led_config *led_config = state->config->led_cfg; + int i, ret = 0; + + /* bail out if we cant control an LED */ + if (!led_config || !led_config->gpio_leds || + !led_config->num_led_states || !led_config->led_states) + return 0; + + if (led < 0) { + /* if LED is already lit, then leave it as-is */ + if (state->led_state) + return 0; + else + led *= -1; + } + + /* toggle LED if changing state */ + if (state->led_state != led) { + u8 val; + + dprintk("%s: %d\n", __func__, led); + + au8522_led_gpio_enable(state, 1); + + val = au8522_readreg(state, 0x4000 | + (led_config->gpio_leds & ~0xc000)); + + /* start with all leds off */ + for (i = 0; i < led_config->num_led_states; i++) + val &= ~led_config->led_states[i]; + + /* set selected LED state */ + if (led < led_config->num_led_states) + val |= led_config->led_states[led]; + else if (led_config->num_led_states) + val |= + led_config->led_states[led_config->num_led_states - 1]; + + ret = au8522_writereg(state, 0x8000 | + (led_config->gpio_leds & ~0xc000), val); + if (ret < 0) + return ret; + + state->led_state = led; + + if (led == 0) + au8522_led_gpio_enable(state, 0); + } + + return 0; +} + static int au8522_sleep(struct dvb_frontend *fe) { struct au8522_state *state = fe->demodulator_priv; dprintk("%s()\n", __func__); + /* turn off led */ + au8522_led_ctrl(state, 0); + state->current_frequency = 0; return 0; @@ -592,12 +681,53 @@ static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status) *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; break; } + state->fe_status = *status; + + if (*status & FE_HAS_LOCK) + /* turn on LED, if it isn't on already */ + au8522_led_ctrl(state, -1); + else + /* turn off LED */ + au8522_led_ctrl(state, 0); dprintk("%s() status 0x%08x\n", __func__, *status); return 0; } +static int au8522_led_status(struct au8522_state *state, const u16 *snr) +{ + struct au8522_led_config *led_config = state->config->led_cfg; + int led; + u16 strong; + + /* bail out if we cant control an LED */ + if (!led_config) + return 0; + + if (0 == (state->fe_status & FE_HAS_LOCK)) + return au8522_led_ctrl(state, 0); + else if (state->current_modulation == QAM_256) + strong = led_config->qam256_strong; + else if (state->current_modulation == QAM_64) + strong = led_config->qam64_strong; + else /* (state->current_modulation == VSB_8) */ + strong = led_config->vsb8_strong; + + if (*snr >= strong) + led = 2; + else + led = 1; + + if ((state->led_state) && + (((strong < *snr) ? (*snr - strong) : (strong - *snr)) <= 10)) + /* snr didn't change enough to bother + * changing the color of the led */ + return 0; + + return au8522_led_ctrl(state, led); +} + static int au8522_read_snr(struct dvb_frontend *fe, u16 *snr) { struct au8522_state *state = fe->demodulator_priv; @@ -621,6 +751,9 @@ static int au8522_read_snr(struct dvb_frontend *fe, u16 *snr) au8522_readreg(state, 0x4311), snr); + if (state->config->led_cfg) + au8522_led_status(state, snr); + return ret; } diff --git a/drivers/media/dvb/frontends/au8522.h b/drivers/media/dvb/frontends/au8522.h index 595915ade8c3..7b94f554a093 100644 --- a/drivers/media/dvb/frontends/au8522.h +++ b/drivers/media/dvb/frontends/au8522.h @@ -30,6 +30,21 @@ enum au8522_if_freq { AU8522_IF_3_25MHZ, }; +struct au8522_led_config { + u16 vsb8_strong; + u16 qam64_strong; + u16 qam256_strong; + + u16 gpio_output; + /* unset hi bits, set low bits */ + u16 gpio_output_enable; + u16 gpio_output_disable; + + u16 gpio_leds; + u8 *led_states; + unsigned int num_led_states; +}; + struct au8522_config { /* the demodulator's i2c address */ u8 demod_address; @@ -39,6 +54,8 @@ struct au8522_config { #define AU8522_DEMODLOCKING 1 u8 status_mode; + struct au8522_led_config *led_cfg; + enum au8522_if_freq vsb_if; enum au8522_if_freq qam_if; }; diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c index a52abce16e1a..f0fcdb4769d7 100644 --- a/drivers/media/video/au0828/au0828-dvb.c +++ b/drivers/media/video/au0828/au0828-dvb.c @@ -36,11 +36,39 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define _AU0828_BULKPIPE 0x83 #define _BULKPIPESIZE 0xe522 +static u8 hauppauge_hvr950q_led_states[] = { + 0x00, /* off */ + 0x02, /* yellow */ + 0x04, /* green */ +}; + +static struct au8522_led_config hauppauge_hvr950q_led_cfg = { + .gpio_output = 0x00e0, + .gpio_output_enable = 0x6006, + .gpio_output_disable = 0x0660, + + .gpio_leds = 0x00e2, + .led_states = hauppauge_hvr950q_led_states, + .num_led_states = sizeof(hauppauge_hvr950q_led_states), + + .vsb8_strong = 20 /* dB */ * 10, + .qam64_strong = 25 /* dB */ * 10, + .qam256_strong = 32 /* dB */ * 10, +}; + static struct au8522_config hauppauge_hvr950q_config = { .demod_address = 0x8e >> 1, .status_mode = AU8522_DEMODLOCKING, .qam_if = AU8522_IF_6MHZ, .vsb_if = AU8522_IF_6MHZ, + .led_cfg = &hauppauge_hvr950q_led_cfg, +}; + +static struct au8522_config fusionhdtv7usb_config = { + .demod_address = 0x8e >> 1, + .status_mode = AU8522_DEMODLOCKING, + .qam_if = AU8522_IF_6MHZ, + .vsb_if = AU8522_IF_6MHZ, }; static struct au8522_config hauppauge_woodbury_config = { @@ -352,7 +380,6 @@ int au0828_dvb_register(struct au0828_dev *dev) switch (dev->board) { case AU0828_BOARD_HAUPPAUGE_HVR850: case AU0828_BOARD_HAUPPAUGE_HVR950Q: - case AU0828_BOARD_DVICO_FUSIONHDTV7: dvb->frontend = dvb_attach(au8522_attach, &hauppauge_hvr950q_config, &dev->i2c_adap); @@ -378,6 +405,16 @@ int au0828_dvb_register(struct au0828_dev *dev) 0x60, &dev->i2c_adap, &hauppauge_woodbury_tunerconfig); break; + case AU0828_BOARD_DVICO_FUSIONHDTV7: + dvb->frontend = dvb_attach(au8522_attach, + &fusionhdtv7usb_config, + &dev->i2c_adap); + if (dvb->frontend != NULL) { + dvb_attach(xc5000_attach, dvb->frontend, + &dev->i2c_adap, + &hauppauge_hvr950q_tunerconfig); + } + break; default: printk(KERN_WARNING "The frontend of your DVB/ATSC card " "isn't supported yet\n"); -- GitLab From 90b698dd47f3929f20746f828e2cd648bc6539dd Mon Sep 17 00:00:00 2001 From: Alexey Klimov Date: Thu, 9 Oct 2008 13:42:32 -0300 Subject: [PATCH 4225/6244] V4L/DVB (9151): dsbr100: Add returns and fix codingstyle for vidioc_s_ctrl Added return -EBUSY and fixed codingstyle issue Signed-off-by: Alexey Klimov Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/dsbr100.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index b3a5cb1adf3a..66783fffe4c1 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -360,11 +360,15 @@ static int vidioc_s_ctrl(struct file *file, void *priv, switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: if (ctrl->value) { - if (dsbr100_stop(radio)==-1) + if (dsbr100_stop(radio) == -1) { warn("Radio did not respond properly"); + return -EBUSY; + } } else { - if (dsbr100_start(radio)==-1) + if (dsbr100_start(radio) == -1) { warn("Radio did not respond properly"); + return -EBUSY; + } } return 0; } -- GitLab From b4be2048ce62d05d93608f82d5e986612ed4fdf7 Mon Sep 17 00:00:00 2001 From: Alexey Klimov Date: Thu, 9 Oct 2008 13:46:59 -0300 Subject: [PATCH 4226/6244] V4L/DVB (9152): radio-zoltrix: Add checking for frequency This patch adds printk messages, adds checking if frequency is set, adds return -EINVAL in right places in zoltrix-radio. Signed-off-by: Alexey Klimov Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- drivers/media/radio/radio-zoltrix.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index f75da63b1634..15b10bad6796 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -123,8 +123,11 @@ static int zol_setfreq(struct zol_device *dev, unsigned long freq) unsigned int stereo = dev->stereo; int i; - if (freq == 0) - return 1; + if (freq == 0) { + printk(KERN_WARNING "zoltrix: received zero freq. Failed to set.\n"); + return -EINVAL; + } + m = (freq / 160 - 8800) * 2; f = (unsigned long long) m + 0x4d1c; @@ -279,7 +282,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct zol_device *zol = video_drvdata(file); zol->curfreq = f->frequency; - zol_setfreq(zol, zol->curfreq); + if (zol_setfreq(zol, zol->curfreq) != 0) { + printk(KERN_WARNING "zoltrix: Set frequency failed.\n"); + return -EINVAL; + } return 0; } @@ -343,7 +349,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv, return 0; } zol->stereo = 1; - zol_setfreq(zol, zol->curfreq); + if (zol_setfreq(zol, zol->curfreq) != 0) { + printk(KERN_WARNING "zoltrix: Set frequency failed.\n"); + return -EINVAL; + } #if 0 /* FIXME: Implement stereo/mono switch on V4L2 */ if (v->mode & VIDEO_SOUND_STEREO) { -- GitLab From 46510b56ca56a25ce973d6a6e8490c1109ff94ef Mon Sep 17 00:00:00 2001 From: Thierry MERLE Date: Sat, 11 Oct 2008 16:56:13 -0300 Subject: [PATCH 4227/6244] V4L/DVB (9155): em28xx-dvb: dvb_init() code factorization In dvb_init(), case EM2880_BOARD_TERRATEC_HYBRID_XS: case EM2880_BOARD_KWORLD_DVB_310U: can be put in the same case than EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 since they do the same thing. Signed-off-by: Thierry MERLE Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/em28xx/em28xx-dvb.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index 855ad3940b29..c99e2383b7ec 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -421,6 +421,8 @@ static int dvb_init(struct em28xx *dev) } break; case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: + case EM2880_BOARD_TERRATEC_HYBRID_XS: + case EM2880_BOARD_KWORLD_DVB_310U: dvb->frontend = dvb_attach(zl10353_attach, &em28xx_zl10353_with_xc3028, &dev->i2c_adap); @@ -442,24 +444,6 @@ static int dvb_init(struct em28xx *dev) } break; #endif - case EM2880_BOARD_TERRATEC_HYBRID_XS: - dvb->frontend = dvb_attach(zl10353_attach, - &em28xx_zl10353_with_xc3028, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; - case EM2880_BOARD_KWORLD_DVB_310U: - dvb->frontend = dvb_attach(zl10353_attach, - &em28xx_zl10353_with_xc3028, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" " isn't supported yet\n", -- GitLab From deffc6edacb74f080ca5918ef9c2cd30c2c9686e Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 17:42:12 +0800 Subject: [PATCH 4228/6244] Blackfin arch: fix bug - some serial header files set RTS to an input when they should all be outputs Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h | 2 +- arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index 34ab0e4e4242..f3d9e495230c 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -158,7 +158,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) } if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_input(uart->rts_pin, 0); + gpio_direction_output(uart->rts_pin, 0); } #endif } diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index f5327264357c..043bfcf26c52 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -158,7 +158,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart) } if (uart->rts_pin >= 0) { gpio_request(uart->rts_pin, DRIVER_NAME); - gpio_direction_input(uart->rts_pin, 0); + gpio_direction_output(uart->rts_pin, 0); } #endif } -- GitLab From 741e1f3b81c22c81f4ef401856cd22cad0bbd554 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 8 Sep 2008 16:59:02 -0300 Subject: [PATCH 4229/6244] V4L/DVB (9157): cx18/ivtv: add 'PCI:' prefix to bus_info. Suggested by Martin Dauskardt. This is conform what the other drivers do. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-ioctl.c | 2 +- drivers/media/video/ivtv/ivtv-ioctl.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 83aa9cb02e00..f0ca50f5fdde 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -346,7 +346,7 @@ static int cx18_querycap(struct file *file, void *fh, strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); - strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info)); + snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev)); vcap->version = CX18_DRIVER_VERSION; /* version */ vcap->capabilities = cx->v4l2_cap; /* capabilities */ return 0; diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index f00854ad64ea..f5b289ef4103 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -750,7 +750,7 @@ static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vc strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, itv->card_name, sizeof(vcap->card)); - strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info)); + snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->dev)); vcap->version = IVTV_DRIVER_VERSION; /* version */ vcap->capabilities = itv->v4l2_cap; /* capabilities */ return 0; -- GitLab From d4f59de43ee5dd632d4068b6486e45802e6e853d Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 30 Sep 2008 03:14:02 -0300 Subject: [PATCH 4230/6244] V4L/DVB (9159): saa5249: fix compile errors Add missing include. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa5249.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c index 421071cc99b8..3bb959c25d9d 100644 --- a/drivers/media/video/saa5249.c +++ b/drivers/media/video/saa5249.c @@ -48,6 +48,7 @@ #include #include #include +#include #include #include #include -- GitLab From 3c7b933bea2ee380d54b57b99dee42b1726a4eaa Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 3 Oct 2008 11:42:07 -0300 Subject: [PATCH 4231/6244] V4L/DVB (9160): v4l: remove vidioc_enum_fmt_vbi_cap Remove the vidioc_enum_fmt_vbi_cap ops: it was scheduled for removal in 2.6.28 since the v4l2 specification says that V4L2_BUF_TYPE_VBI_CAPTURE should not support VIDIOC_ENUM_FMT. It's also pretty pointless. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/bt8xx/bttv-driver.c | 13 ------------- drivers/media/video/saa7134/saa7134-video.c | 13 ------------- drivers/media/video/v4l2-ioctl.c | 12 ------------ include/media/v4l2-ioctl.h | 5 ----- 4 files changed, 43 deletions(-) diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index 9bb247cdc28b..5858bf5ff41c 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -2664,18 +2664,6 @@ static int bttv_querycap(struct file *file, void *priv, return 0; } -static int bttv_enum_fmt_vbi_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (0 != f->index) - return -EINVAL; - - f->pixelformat = V4L2_PIX_FMT_GREY; - strcpy(f->description, "vbi data"); - - return 0; -} - static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f) { int index = -1, i; @@ -3381,7 +3369,6 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = { .vidioc_g_fmt_vid_overlay = bttv_g_fmt_vid_overlay, .vidioc_try_fmt_vid_overlay = bttv_try_fmt_vid_overlay, .vidioc_s_fmt_vid_overlay = bttv_s_fmt_vid_overlay, - .vidioc_enum_fmt_vbi_cap = bttv_enum_fmt_vbi_cap, .vidioc_g_fmt_vbi_cap = bttv_g_fmt_vbi_cap, .vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap, .vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap, diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 9aafd5844191..02bb6747a39c 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -2110,18 +2110,6 @@ static int saa7134_enum_fmt_vid_overlay(struct file *file, void *priv, return 0; } -static int saa7134_enum_fmt_vbi_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (0 != f->index) - return -EINVAL; - - f->pixelformat = V4L2_PIX_FMT_GREY; - strcpy(f->description, "vbi data"); - - return 0; -} - static int saa7134_g_fbuf(struct file *file, void *f, struct v4l2_framebuffer *fb) { @@ -2412,7 +2400,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_g_fmt_vid_overlay = saa7134_g_fmt_vid_overlay, .vidioc_try_fmt_vid_overlay = saa7134_try_fmt_vid_overlay, .vidioc_s_fmt_vid_overlay = saa7134_s_fmt_vid_overlay, - .vidioc_enum_fmt_vbi_cap = saa7134_enum_fmt_vbi_cap, .vidioc_g_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, .vidioc_try_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, .vidioc_s_fmt_vbi_cap = saa7134_try_get_set_fmt_vbi_cap, diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 140ef92c19c1..155c9d77a463 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -746,18 +746,6 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, f); break; -#if 1 - /* V4L2_BUF_TYPE_VBI_CAPTURE should not support VIDIOC_ENUM_FMT - * according to the spec. The bttv and saa7134 drivers support - * it though, so just warn that this is deprecated and will be - * removed in the near future. */ - case V4L2_BUF_TYPE_VBI_CAPTURE: - if (ops->vidioc_enum_fmt_vbi_cap) { - printk(KERN_WARNING "vidioc_enum_fmt_vbi_cap will be removed in 2.6.28!\n"); - ret = ops->vidioc_enum_fmt_vbi_cap(file, fh, f); - } - break; -#endif case V4L2_BUF_TYPE_VIDEO_OUTPUT: if (ops->vidioc_enum_fmt_vid_out) ret = ops->vidioc_enum_fmt_vid_out(file, fh, f); diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index dc6404618555..0bef03add796 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -39,11 +39,6 @@ struct v4l2_ioctl_ops { struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh, struct v4l2_fmtdesc *f); -#if 1 - /* deprecated, will be removed in 2.6.28 */ - int (*vidioc_enum_fmt_vbi_cap) (struct file *file, void *fh, - struct v4l2_fmtdesc *f); -#endif int (*vidioc_enum_fmt_type_private)(struct file *file, void *fh, struct v4l2_fmtdesc *f); -- GitLab From a8b864354e060dda1000e62d1fea7c1274581caf Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 4 Oct 2008 08:05:30 -0300 Subject: [PATCH 4232/6244] V4L/DVB (9162): ivtv: fix raw/sliced VBI mixup The service_set field was used in saa7115 and cx25840 to determine whether raw or sliced VBI was desired. This is incorrect since it is perfectly valid to select sliced VBI with a service_set of 0. Instead these drivers should checked on VIDIOC_S_FMT whether the type field matches the raw or sliced VBI type. Updated ivtv accordingly. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx25840/cx25840-vbi.c | 5 +++-- drivers/media/video/ivtv/ivtv-driver.c | 2 +- drivers/media/video/ivtv/ivtv-driver.h | 6 ++++++ drivers/media/video/ivtv/ivtv-fileops.c | 6 +++--- drivers/media/video/ivtv/ivtv-ioctl.c | 8 ++++++-- drivers/media/video/ivtv/ivtv-streams.c | 2 +- drivers/media/video/ivtv/ivtv-vbi.c | 2 +- drivers/media/video/saa7115.c | 8 ++++++-- 8 files changed, 27 insertions(+), 12 deletions(-) diff --git a/drivers/media/video/cx25840/cx25840-vbi.c b/drivers/media/video/cx25840/cx25840-vbi.c index 69f2bbdbb929..58e6ef1c28a0 100644 --- a/drivers/media/video/cx25840/cx25840-vbi.c +++ b/drivers/media/video/cx25840/cx25840-vbi.c @@ -141,10 +141,11 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) u8 lcr[24]; fmt = arg; - if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE && + fmt->type != V4L2_BUF_TYPE_VBI_CAPTURE) return -EINVAL; svbi = &fmt->fmt.sliced; - if (svbi->service_set == 0) { + if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { /* raw VBI */ memset(svbi, 0, sizeof(*svbi)); diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 7aa61b617496..aeaa13f6cb36 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -720,7 +720,7 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv) itv->speed = 1000; /* VBI */ - itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; + itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced; /* Init the sg table for osd/yuv output */ diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index b76a12268637..be2d779dba12 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -750,6 +750,12 @@ void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv); /* First-open initialization: load firmware, init cx25840, etc. */ int ivtv_init_on_first_open(struct ivtv *itv); +/* Test if the current VBI mode is raw (1) or sliced (0) */ +static inline int ivtv_raw_vbi(const struct ivtv *itv) +{ + return itv->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; +} + /* This is a PCI post thing, where if the pci register is not read, then the write doesn't always take effect right away. By reading back the register any pending PCI writes will be performed (in order), and so diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index 304261efc53d..b7457fc60ba5 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -78,7 +78,7 @@ static int ivtv_claim_stream(struct ivtv_open_id *id, int type) if (type == IVTV_DEC_STREAM_TYPE_MPG) { vbi_type = IVTV_DEC_STREAM_TYPE_VBI; } else if (type == IVTV_ENC_STREAM_TYPE_MPG && - itv->vbi.insert_mpeg && itv->vbi.sliced_in->service_set) { + itv->vbi.insert_mpeg && !ivtv_raw_vbi(itv)) { vbi_type = IVTV_ENC_STREAM_TYPE_VBI; } else { return 0; @@ -305,7 +305,7 @@ static size_t ivtv_copy_buf_to_user(struct ivtv_stream *s, struct ivtv_buffer *b if (len > ucount) len = ucount; if (itv->vbi.insert_mpeg && s->type == IVTV_ENC_STREAM_TYPE_MPG && - itv->vbi.sliced_in->service_set && buf != &itv->vbi.sliced_mpeg_buf) { + !ivtv_raw_vbi(itv) && buf != &itv->vbi.sliced_mpeg_buf) { const char *start = buf->buf + buf->readpos; const char *p = start + 1; const u8 *q; @@ -372,7 +372,7 @@ static ssize_t ivtv_read(struct ivtv_stream *s, char __user *ubuf, size_t tot_co /* Each VBI buffer is one frame, the v4l2 API says that for VBI the frames should arrive one-by-one, so make sure we never output more than one VBI frame at a time */ if (s->type == IVTV_DEC_STREAM_TYPE_VBI || - (s->type == IVTV_ENC_STREAM_TYPE_VBI && itv->vbi.sliced_in->service_set)) + (s->type == IVTV_ENC_STREAM_TYPE_VBI && !ivtv_raw_vbi(itv))) single_frame = 1; for (;;) { diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index f5b289ef4103..3d0013bdd1fd 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -575,8 +575,11 @@ static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; + if (!ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0) + return -EBUSY; itv->vbi.sliced_in->service_set = 0; - itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in); + itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; + itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); return ivtv_g_fmt_vbi_cap(file, fh, fmt); } @@ -591,8 +594,9 @@ static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_fo return ret; check_service_set(vbifmt, itv->is_50hz); - if (atomic_read(&itv->capturing) > 0) + if (ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0) return -EBUSY; + itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in)); return 0; diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 24273fbea470..5bbf31e39304 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -334,7 +334,7 @@ void ivtv_streams_cleanup(struct ivtv *itv, int unregister) static void ivtv_vbi_setup(struct ivtv *itv) { - int raw = itv->vbi.sliced_in->service_set == 0; + int raw = ivtv_raw_vbi(itv); u32 data[CX2341X_MBOX_MAX_DATA]; int lines; int i; diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c index 1ce9deb1104f..4a37a7d2e69d 100644 --- a/drivers/media/video/ivtv/ivtv-vbi.c +++ b/drivers/media/video/ivtv/ivtv-vbi.c @@ -334,7 +334,7 @@ void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf, int y; /* Raw VBI data */ - if (streamtype == IVTV_ENC_STREAM_TYPE_VBI && itv->vbi.sliced_in->service_set == 0) { + if (streamtype == IVTV_ENC_STREAM_TYPE_VBI && ivtv_raw_vbi(itv)) { u8 type; ivtv_buf_swap(buf); diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 4ed7d65dd634..c8e9cb3db30a 100644 --- a/drivers/media/video/saa7115.c +++ b/drivers/media/video/saa7115.c @@ -1057,7 +1057,7 @@ static void saa711x_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_fo for (i = 0; i <= 23; i++) lcr[i] = 0xff; - if (fmt->service_set == 0) { + if (fmt == NULL) { /* raw VBI */ if (is_50hz) for (i = 6; i <= 23; i++) @@ -1113,7 +1113,7 @@ static void saa711x_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_fo } /* enable/disable raw VBI capturing */ - saa711x_writeregs(client, fmt->service_set == 0 ? + saa711x_writeregs(client, fmt == NULL ? saa7115_cfg_vbi_on : saa7115_cfg_vbi_off); } @@ -1153,6 +1153,10 @@ static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt saa711x_set_lcr(client, &fmt->fmt.sliced); return 0; } + if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + saa711x_set_lcr(client, NULL); + return 0; + } if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; -- GitLab From c777549fc9c5c704707394b0235a9a6794247b83 Mon Sep 17 00:00:00 2001 From: Ian Armstrong Date: Sat, 4 Oct 2008 10:28:24 -0300 Subject: [PATCH 4233/6244] V4L/DVB (9163): ivtvfb: fix sparse warnings and improve write function Signed-off-by: Ian Armstrong Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtvfb.c | 76 +++++++++++++++---------------- 1 file changed, 37 insertions(+), 39 deletions(-) diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index bdfda48e56bf..249758e53f5f 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -275,7 +275,6 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv, int size_in_bytes) { DEFINE_WAIT(wait); - int ret = 0; int got_sig = 0; mutex_lock(&itv->udma.lock); @@ -316,7 +315,7 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv, return -EINTR; } - return ret; + return 0; } static int ivtvfb_prep_frame(struct ivtv *itv, int cmd, void __user *source, @@ -373,6 +372,7 @@ static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, unsigned long p = *ppos; void *dst; int err = 0; + int dma_err; unsigned long total_size; struct ivtv *itv = (struct ivtv *) info->par; unsigned long dma_offset = @@ -399,7 +399,6 @@ static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, if (count + p > total_size) { if (!err) err = -ENOSPC; - count = total_size - p; } @@ -408,39 +407,34 @@ static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, if (info->fbops->fb_sync) info->fbops->fb_sync(info); - if (!access_ok(VERIFY_READ, buf, count)) { - IVTVFB_WARN("Invalid userspace pointer 0x%08lx\n", - (unsigned long)buf); - err = -EFAULT; - } - - if (!err) { - /* If transfer size > threshold and both src/dst - addresses are aligned, use DMA */ - if (count >= 4096 && - ((unsigned long)buf & 3) == ((unsigned long)dst & 3)) { - /* Odd address = can't DMA. Align */ - if ((unsigned long)dst & 3) { - lead = 4 - ((unsigned long)dst & 3); - memcpy(dst, buf, lead); - buf += lead; - dst += lead; - } - /* DMA resolution is 32 bits */ - if ((count - lead) & 3) - tail = (count - lead) & 3; - /* DMA the data */ - dma_size = count - lead - tail; - err = ivtvfb_prep_dec_dma_to_device(itv, - p + lead + dma_offset, (void *)buf, dma_size); - dst += dma_size; - buf += dma_size; - /* Copy any leftover data */ - if (tail) - memcpy(dst, buf, tail); - } else { - memcpy(dst, buf, count); + /* If transfer size > threshold and both src/dst + addresses are aligned, use DMA */ + if (count >= 4096 && + ((unsigned long)buf & 3) == ((unsigned long)dst & 3)) { + /* Odd address = can't DMA. Align */ + if ((unsigned long)dst & 3) { + lead = 4 - ((unsigned long)dst & 3); + if (copy_from_user(dst, buf, lead)) + return -EFAULT; + buf += lead; + dst += lead; } + /* DMA resolution is 32 bits */ + if ((count - lead) & 3) + tail = (count - lead) & 3; + /* DMA the data */ + dma_size = count - lead - tail; + dma_err = ivtvfb_prep_dec_dma_to_device(itv, + p + lead + dma_offset, (void __user *)buf, dma_size); + if (dma_err) + return dma_err; + dst += dma_size; + buf += dma_size; + /* Copy any leftover data */ + if (tail && copy_from_user(dst, buf, tail)) + return -EFAULT; + } else if (copy_from_user(dst, buf, count)) { + return -EFAULT; } if (!err) @@ -463,9 +457,12 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC; trace = read_reg(0x028c0) >> 16; - if (itv->is_50hz && trace > 312) trace -= 312; - else if (itv->is_60hz && trace > 262) trace -= 262; - if (trace == 1) vblank.flags |= FB_VBLANK_VSYNCING; + if (itv->is_50hz && trace > 312) + trace -= 312; + else if (itv->is_60hz && trace > 262) + trace -= 262; + if (trace == 1) + vblank.flags |= FB_VBLANK_VSYNCING; vblank.count = itv->last_vsync_field; vblank.vcount = trace; vblank.hcount = 0; @@ -476,7 +473,8 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar case FBIO_WAITFORVSYNC: prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE); - if (!schedule_timeout(msecs_to_jiffies(50))) rc = -ETIMEDOUT; + if (!schedule_timeout(msecs_to_jiffies(50))) + rc = -ETIMEDOUT; finish_wait(&itv->vsync_waitq, &wait); return rc; -- GitLab From 4ee0e42b31b282d0d0bb11effbbeb0610ee76d09 Mon Sep 17 00:00:00 2001 From: Ian Armstrong Date: Mon, 6 Oct 2008 03:03:18 -0300 Subject: [PATCH 4234/6244] V4L/DVB (9164): ivtvfb: a small cosmetic change Signed-off-by: Ian Armstrong Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtvfb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 249758e53f5f..8a4a150b12fb 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -367,7 +367,7 @@ static int ivtvfb_prep_frame(struct ivtv *itv, int cmd, void __user *source, } static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) + size_t count, loff_t *ppos) { unsigned long p = *ppos; void *dst; -- GitLab From ec9faa1cfac1dd64a2a865dc7c577f3d483656bd Mon Sep 17 00:00:00 2001 From: Ian Armstrong Date: Mon, 6 Oct 2008 03:06:08 -0300 Subject: [PATCH 4235/6244] V4L/DVB (9165): ivtv: V4L2_FBUF_FLAG_OVERLAY status fix When the framebuffer format was queried via VIDIOC_G_FBUF, V4L2_FBUF_FLAG_OVERLAY would only be correctly returned for certain screen depths. Signed-off-by: Ian Armstrong Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-ioctl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 3d0013bdd1fd..3c2628a63015 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1363,6 +1363,9 @@ static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb) if (itv->osd_global_alpha_state) fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA; + if (yi->track_osd) + fb->flags |= V4L2_FBUF_FLAG_OVERLAY; + pixfmt &= 7; /* no local alpha for RGB565 or unknown formats */ @@ -1382,8 +1385,6 @@ static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb) else fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA; } - if (yi->track_osd) - fb->flags |= V4L2_FBUF_FLAG_OVERLAY; return 0; } -- GitLab From 2bd7ac55c31cb4f42e331d69dde9fc034a68944f Mon Sep 17 00:00:00 2001 From: Ian Armstrong Date: Thu, 9 Oct 2008 12:04:23 -0300 Subject: [PATCH 4236/6244] V4L/DVB (9166): ivtv - Fix potential race condition in yuv handler Modified yuv register update handling to remove a potential race condition which could occur with the first video frame. Also removed a forced yuv position update, since changing the source video dimensions or interlace settings doesn't affect the frame already being displayed. Signed-off-by: Ian Armstrong Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-driver.h | 2 ++ drivers/media/video/ivtv/ivtv-ioctl.c | 2 -- drivers/media/video/ivtv/ivtv-irq.c | 9 ++++++--- drivers/media/video/ivtv/ivtv-yuv.c | 1 + 4 files changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index be2d779dba12..bc29436e8a3c 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -506,6 +506,8 @@ struct yuv_playback_info struct v4l2_rect main_rect; u32 v4l2_src_w; u32 v4l2_src_h; + + u8 running; /* Have any frames been displayed */ }; #define IVTV_VBI_FRAMES 32 diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 3c2628a63015..8696527ab134 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -644,8 +644,6 @@ static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *f itv->dma_data_req_size = 1080 * ((yi->v4l2_src_h + 31) & ~31); - /* Force update of yuv registers */ - yi->yuv_forced_update = 1; return 0; } diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 34f3ab827858..f5d00ec5da73 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -753,7 +753,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) */ unsigned int frame = read_reg(0x28c0) & 1; struct yuv_playback_info *yi = &itv->yuv_info; - int last_dma_frame = atomic_read(&itv->yuv_info.next_dma_frame); + int last_dma_frame = atomic_read(&yi->next_dma_frame); struct yuv_frame_info *f = &yi->new_frame_info[last_dma_frame]; if (0) IVTV_DEBUG_IRQ("DEC VSYNC\n"); @@ -772,6 +772,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) next_dma_frame = (next_dma_frame + 1) % IVTV_YUV_BUFFERS; atomic_set(&yi->next_dma_frame, next_dma_frame); yi->fields_lapsed = -1; + yi->running = 1; } } } @@ -804,9 +805,11 @@ static void ivtv_irq_vsync(struct ivtv *itv) } /* Check if we need to update the yuv registers */ - if ((yi->yuv_forced_update || f->update) && last_dma_frame != -1) { + if (yi->running && (yi->yuv_forced_update || f->update)) { if (!f->update) { - last_dma_frame = (u8)(last_dma_frame - 1) % IVTV_YUV_BUFFERS; + last_dma_frame = + (u8)(atomic_read(&yi->next_dma_frame) - + 1) % IVTV_YUV_BUFFERS; f = &yi->new_frame_info[last_dma_frame]; } diff --git a/drivers/media/video/ivtv/ivtv-yuv.c b/drivers/media/video/ivtv/ivtv-yuv.c index 3092ff1d00a0..ee91107376c7 100644 --- a/drivers/media/video/ivtv/ivtv-yuv.c +++ b/drivers/media/video/ivtv/ivtv-yuv.c @@ -1147,6 +1147,7 @@ void ivtv_yuv_close(struct ivtv *itv) IVTV_DEBUG_YUV("ivtv_yuv_close\n"); ivtv_waitq(&itv->vsync_waitq); + yi->running = 0; atomic_set(&yi->next_dma_frame, -1); atomic_set(&yi->next_fill_frame, 0); -- GitLab From fa405d7094489828014315a34f0c21fba30be38c Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Sun, 12 Oct 2008 09:23:29 -0300 Subject: [PATCH 4237/6244] V4L/DVB: v4l2-dev: remove duplicated #include Removed duplicated include "media/cx2341x.h" in drivers/media/video/cx23885/cx23885-417.c. Signed-off-by: Huang Weiyi Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-417.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index e54df8195ec4..395c11fa47ce 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -36,7 +36,6 @@ #include #include "cx23885.h" -#include "media/cx2341x.h" #define CX23885_FIRM_IMAGE_SIZE 376836 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw" -- GitLab From ba340b40a5f65261731583f67d7ec8cafbf5cfaa Mon Sep 17 00:00:00 2001 From: Brian Rogers Date: Mon, 13 Oct 2008 08:37:06 -0300 Subject: [PATCH 4238/6244] V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote The IR controller has a couple quirks. It won't respond until some other device on the bus is probed. To work around that, probe 0x50 first. Then, since it won't respond to a zero-byte read, probe with a one-byte read. Signed-off-by: Brian Rogers [mchehab.redhat.com: Fix merge conflicts and remove an unused var] Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/ir-keymaps.c | 92 ++++++++++++++++++++- drivers/media/video/ir-kbd-i2c.c | 42 +++++++++- drivers/media/video/saa7134/saa7134-cards.c | 1 + drivers/media/video/saa7134/saa7134-i2c.c | 1 + drivers/media/video/saa7134/saa7134-input.c | 52 ++++++++++++ include/media/ir-common.h | 1 + 6 files changed, 186 insertions(+), 3 deletions(-) diff --git a/drivers/media/common/ir-keymaps.c b/drivers/media/common/ir-keymaps.c index b7ed88c59b54..4952aeb5dd80 100644 --- a/drivers/media/common/ir-keymaps.c +++ b/drivers/media/common/ir-keymaps.c @@ -517,7 +517,8 @@ EXPORT_SYMBOL_GPL(ir_codes_adstech_dvb_t_pci); /* ---------------------------------------------------------------------- */ -/* MSI TV@nywhere remote */ +/* MSI TV@nywhere MASTER remote */ + IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE] = { /* Keys 0 to 9 */ [ 0x00 ] = KEY_0, @@ -551,6 +552,95 @@ EXPORT_SYMBOL_GPL(ir_codes_msi_tvanywhere); /* ---------------------------------------------------------------------- */ +/* + Keycodes for remote on the MSI TV@nywhere Plus. The controller IC on the card + is marked "KS003". The controller is I2C at address 0x30, but does not seem + to respond to probes until a read is performed from a valid device. + I don't know why... + + Note: This remote may be of similar or identical design to the + Pixelview remote (?). The raw codes and duplicate button codes + appear to be the same. + + Henry Wong + Some changes to formatting and keycodes by Mark Schultz + +*/ + +IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE] = { + +/* ---- Remote Button Layout ---- + + POWER SOURCE SCAN MUTE + TV/FM 1 2 3 + |> 4 5 6 + <| 7 8 9 + ^^UP 0 + RECALL + vvDN RECORD STOP PLAY + + MINIMIZE ZOOM + + CH+ + VOL- VOL+ + CH- + + SNAPSHOT MTS + + << FUNC >> RESET +*/ + + [0x01] = KEY_KP1, /* 1 */ + [0x0b] = KEY_KP2, /* 2 */ + [0x1b] = KEY_KP3, /* 3 */ + [0x05] = KEY_KP4, /* 4 */ + [0x09] = KEY_KP5, /* 5 */ + [0x15] = KEY_KP6, /* 6 */ + [0x06] = KEY_KP7, /* 7 */ + [0x0a] = KEY_KP8, /* 8 */ + [0x12] = KEY_KP9, /* 9 */ + [0x02] = KEY_KP0, /* 0 */ + [0x10] = KEY_KPPLUS, /* + */ + [0x13] = KEY_AGAIN, /* Recall */ + + [0x1e] = KEY_POWER, /* Power */ + [0x07] = KEY_TUNER, /* Source */ + [0x1c] = KEY_SEARCH, /* Scan */ + [0x18] = KEY_MUTE, /* Mute */ + + [0x03] = KEY_RADIO, /* TV/FM */ + /* The next four keys are duplicates that appear to send the + same IR code as Ch+, Ch-, >>, and << . The raw code assigned + to them is the actual code + 0x20 - they will never be + detected as such unless some way is discovered to distinguish + these buttons from those that have the same code. */ + [0x3f] = KEY_RIGHT, /* |> and Ch+ */ + [0x37] = KEY_LEFT, /* <| and Ch- */ + [0x2c] = KEY_UP, /* ^^Up and >> */ + [0x24] = KEY_DOWN, /* vvDn and << */ + + [0x00] = KEY_RECORD, /* Record */ + [0x08] = KEY_STOP, /* Stop */ + [0x11] = KEY_PLAY, /* Play */ + + [0x0f] = KEY_CLOSE, /* Minimize */ + [0x19] = KEY_ZOOM, /* Zoom */ + [0x1a] = KEY_SHUFFLE, /* Snapshot */ + [0x0d] = KEY_LANGUAGE, /* MTS */ + + [0x14] = KEY_VOLUMEDOWN, /* Vol- */ + [0x16] = KEY_VOLUMEUP, /* Vol+ */ + [0x17] = KEY_CHANNELDOWN, /* Ch- */ + [0x1f] = KEY_CHANNELUP, /* Ch+ */ + + [0x04] = KEY_REWIND, /* << */ + [0x0e] = KEY_MENU, /* Function */ + [0x0c] = KEY_FASTFORWARD, /* >> */ + [0x1d] = KEY_RESTART, /* Reset */ +}; +EXPORT_SYMBOL_GPL(ir_codes_msi_tvanywhere_plus); + +/* ---------------------------------------------------------------------- */ + /* Cinergy 1400 DVB-T */ IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE] = { [ 0x01 ] = KEY_POWER, diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index 703195a5ad4e..efe849981ab7 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -12,6 +12,10 @@ * Markus Rechberger * modified for DViCO Fusion HDTV 5 RT GOLD by * Chaogui Zhang + * modified for MSI TV@nywhere Plus by + * Henry Wong + * Mark Schultz + * Brian Rogers * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -242,9 +246,15 @@ static void ir_timer(unsigned long data) static void ir_work(struct work_struct *work) { struct IR_i2c *ir = container_of(work, struct IR_i2c, work); + int polling_interval = 100; + + /* MSI TV@nywhere Plus requires more frequent polling + otherwise it will miss some keypresses */ + if (ir->c.adapter->id == I2C_HW_SAA7134 && ir->c.addr == 0x30) + polling_interval = 50; ir_key_poll(ir); - mod_timer(&ir->timer, jiffies + msecs_to_jiffies(100)); + mod_timer(&ir->timer, jiffies + msecs_to_jiffies(polling_interval)); } /* ----------------------------------------------------------------------- */ @@ -483,9 +493,37 @@ static int ir_probe(struct i2c_adapter *adap) (1 == rc) ? "yes" : "no"); if (1 == rc) { ir_attach(adap, probe[i], 0, 0); - break; + return 0; } } + + /* Special case for MSI TV@nywhere Plus remote */ + if (adap->id == I2C_HW_SAA7134) { + u8 temp; + + /* MSI TV@nywhere Plus controller doesn't seem to + respond to probes unless we read something from + an existing device. Weird... */ + + msg.addr = 0x50; + rc = i2c_transfer(adap, &msg, 1); + dprintk(1, "probe 0x%02x @ %s: %s\n", + msg.addr, adap->name, + (1 == rc) ? "yes" : "no"); + + /* Now do the probe. The controller does not respond + to 0-byte reads, so we use a 1-byte read instead. */ + msg.addr = 0x30; + msg.len = 1; + msg.buf = &temp; + rc = i2c_transfer(adap, &msg, 1); + dprintk(1, "probe 0x%02x @ %s: %s\n", + msg.addr, adap->name, + (1 == rc) ? "yes" : "no"); + if (1 == rc) + ir_attach(adap, msg.addr, 0, 0); + } + return 0; } diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c index c9392c4e92fd..ddc5402c5fb0 100644 --- a/drivers/media/video/saa7134/saa7134-cards.c +++ b/drivers/media/video/saa7134/saa7134-cards.c @@ -5969,6 +5969,7 @@ int saa7134_board_init1(struct saa7134_dev *dev) case SAA7134_BOARD_PINNACLE_PCTV_110i: case SAA7134_BOARD_PINNACLE_PCTV_310i: case SAA7134_BOARD_UPMOST_PURPLE_TV: + case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: case SAA7134_BOARD_HAUPPAUGE_HVR1110: case SAA7134_BOARD_BEHOLD_607_9FM: case SAA7134_BOARD_BEHOLD_M6: diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c index b02965c52476..20c1b33caf7b 100644 --- a/drivers/media/video/saa7134/saa7134-i2c.c +++ b/drivers/media/video/saa7134/saa7134-i2c.c @@ -337,6 +337,7 @@ static int attach_inform(struct i2c_client *client) case 0x47: case 0x71: case 0x2d: + case 0x30: { struct IR_i2c *ir = i2c_get_clientdata(client); d1printk("%s i2c IR detected (%s).\n", diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c index 72a1c67a8c39..c53fd5f9f6b5 100644 --- a/drivers/media/video/saa7134/saa7134-input.c +++ b/drivers/media/video/saa7134/saa7134-input.c @@ -118,6 +118,53 @@ static int build_key(struct saa7134_dev *dev) /* --------------------- Chip specific I2C key builders ----------------- */ +static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key, + u32 *ir_raw) +{ + unsigned char b; + int gpio; + + /* is needed to access GPIO. Used by the saa_readl macro. */ + struct saa7134_dev *dev = ir->c.adapter->algo_data; + if (dev == NULL) { + dprintk("get_key_msi_tvanywhere_plus: " + "gir->c.adapter->algo_data is NULL!\n"); + return -EIO; + } + + /* rising SAA7134_GPIO_GPRESCAN reads the status */ + + saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); + + gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); + + /* GPIO&0x40 is pulsed low when a button is pressed. Don't do + I2C receive if gpio&0x40 is not low. */ + + if (gpio & 0x40) + return 0; /* No button press */ + + /* GPIO says there is a button press. Get it. */ + + if (1 != i2c_master_recv(&ir->c, &b, 1)) { + i2cdprintk("read error\n"); + return -EIO; + } + + /* No button press */ + + if (b == 0xff) + return 0; + + /* Button pressed */ + + dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); + *ir_key = b; + *ir_raw = b; + return 1; +} + static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) { unsigned char b; @@ -641,6 +688,11 @@ void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir) ir->get_key = get_key_purpletv; ir->ir_codes = ir_codes_purpletv; break; + case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: + snprintf(ir->c.name, sizeof(ir->c.name), "MSI TV@nywhere Plus"); + ir->get_key = get_key_msi_tvanywhere_plus; + ir->ir_codes = ir_codes_msi_tvanywhere_plus; + break; case SAA7134_BOARD_HAUPPAUGE_HVR1110: snprintf(ir->c.name, sizeof(ir->c.name), "HVR 1110"); ir->get_key = get_key_hvr1110; diff --git a/include/media/ir-common.h b/include/media/ir-common.h index 436360ed0b11..38f2d93c3957 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h @@ -156,6 +156,7 @@ extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE]; extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE]; +extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE]; #endif /* -- GitLab From 4aa02396f934b355a4002ea9bc524aa42d6b53d6 Mon Sep 17 00:00:00 2001 From: Arun KS Date: Mon, 13 Oct 2008 15:47:25 +0530 Subject: [PATCH 4239/6244] ALSA: ASoC: Fix compile-time warning for tlv320aic23.c Fixes this warning: sound/soc/codecs/tlv320aic23.c: In function 'tlv320aic23_write': sound/soc/codecs/tlv320aic23.c:104: warning: passing argument 2 of 'codec->hw_write' makes pointer from integer without a cast Replaces i2c smbus write function with standard i2c write function Signed-off-by: Arun KS Signed-off-by: Takashi Iwai --- sound/soc/codecs/tlv320aic23.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c index bac7815e00fb..44308dac9e18 100644 --- a/sound/soc/codecs/tlv320aic23.c +++ b/sound/soc/codecs/tlv320aic23.c @@ -84,7 +84,7 @@ static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { - u8 data; + u8 data[2]; /* TLV320AIC23 has 7 bit address and 9 bits of data * so we need to switch one data bit into reg and rest @@ -96,12 +96,12 @@ static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg, return -1; } - data = (reg << 1) | (value >> 8 & 0x01); + data[0] = (reg << 1) | (value >> 8 & 0x01); + data[1] = value & 0xff; tlv320aic23_write_reg_cache(codec, reg, value); - if (codec->hw_write(codec->control_data, data, - (value & 0xff)) == 0) + if (codec->hw_write(codec->control_data, data, 2) == 2) return 0; printk(KERN_ERR "%s cannot write %03x to register R%d\n", __func__, @@ -674,7 +674,7 @@ static int tlv320aic23_probe(struct platform_device *pdev) tlv320aic23_socdev = socdev; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - codec->hw_write = (hw_write_t) i2c_smbus_write_byte_data; + codec->hw_write = (hw_write_t) i2c_master_send; codec->hw_read = NULL; ret = i2c_add_driver(&tlv320aic23_i2c_driver); if (ret != 0) -- GitLab From f0c0a376d0fcd4c5579ecf5e95f88387cba85211 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 17 Aug 2008 15:24:38 -0500 Subject: [PATCH 4240/6244] [SCSI] Add helper code so transport classes/driver can control queueing (v3) SCSI-ml manages the queueing limits for the device and host, but does not do so at the target level. However something something similar can come in userful when a driver is transitioning a transport object to the the blocked state, becuase at that time we do not want to queue io and we do not want the queuecommand to be called again. The patch adds code similar to the exisiting SCSI_ML_*BUSY handlers. You can now return SCSI_MLQUEUE_TARGET_BUSY when we hit a transport level queueing issue like the hw cannot allocate some resource at the iscsi session/connection level, or the target has temporarily closed or shrunk the queueing window, or if we are transitioning to the blocked state. bnx2i, when they rework their firmware according to netdev developers requests, will also need to be able to limit queueing at this level. bnx2i will hook into libiscsi, but will allocate a scsi host per netdevice/hba, so unlike pure software iscsi/iser which is allocating a host per session, it cannot set the scsi_host->can_queue and return SCSI_MLQUEUE_HOST_BUSY to reflect queueing limits on the transport. The iscsi class/driver can also set a scsi_target->can_queue value which reflects the max commands the driver/class can support. For iscsi this reflects the number of commands we can support for each session due to session/connection hw limits, driver limits, and to also reflect the session/targets's queueing window. Changes: v1 - initial patch. v2 - Fix scsi_run_queue handling of multiple blocked targets. Previously we would break from the main loop if a device was added back on the starved list. We now run over the list and check if any target is blocked. v3 - Rediff for scsi-misc. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi.c | 10 +++- drivers/scsi/scsi_lib.c | 104 +++++++++++++++++++++++++++++++------ drivers/scsi/scsi_scan.c | 1 + include/scsi/scsi.h | 1 + include/scsi/scsi_device.h | 10 ++++ 5 files changed, 108 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 2ac3cb2b9081..f8b79d401d58 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -754,8 +754,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) } spin_unlock_irqrestore(host->host_lock, flags); if (rtn) { - scsi_queue_insert(cmd, (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ? - rtn : SCSI_MLQUEUE_HOST_BUSY); + if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && + rtn != SCSI_MLQUEUE_TARGET_BUSY) + rtn = SCSI_MLQUEUE_HOST_BUSY; + + scsi_queue_insert(cmd, rtn); + SCSI_LOG_MLQUEUE(3, printk("queuecommand : request rejected\n")); } @@ -800,6 +804,7 @@ static struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) void scsi_finish_command(struct scsi_cmnd *cmd) { struct scsi_device *sdev = cmd->device; + struct scsi_target *starget = scsi_target(sdev); struct Scsi_Host *shost = sdev->host; struct scsi_driver *drv; unsigned int good_bytes; @@ -815,6 +820,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd) * XXX(hch): What about locking? */ shost->host_blocked = 0; + starget->target_blocked = 0; sdev->device_blocked = 0; /* diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 98ee55ced592..91c74c55aa5e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -114,6 +114,7 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason) { struct Scsi_Host *host = cmd->device->host; struct scsi_device *device = cmd->device; + struct scsi_target *starget = scsi_target(device); struct request_queue *q = device->request_queue; unsigned long flags; @@ -133,10 +134,17 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason) * if a command is requeued with no other commands outstanding * either for the device or for the host. */ - if (reason == SCSI_MLQUEUE_HOST_BUSY) + switch (reason) { + case SCSI_MLQUEUE_HOST_BUSY: host->host_blocked = host->max_host_blocked; - else if (reason == SCSI_MLQUEUE_DEVICE_BUSY) + break; + case SCSI_MLQUEUE_DEVICE_BUSY: device->device_blocked = device->max_device_blocked; + break; + case SCSI_MLQUEUE_TARGET_BUSY: + starget->target_blocked = starget->max_target_blocked; + break; + } /* * Decrement the counters, since these commands are no longer @@ -460,10 +468,12 @@ static void scsi_init_cmd_errh(struct scsi_cmnd *cmd) void scsi_device_unbusy(struct scsi_device *sdev) { struct Scsi_Host *shost = sdev->host; + struct scsi_target *starget = scsi_target(sdev); unsigned long flags; spin_lock_irqsave(shost->host_lock, flags); shost->host_busy--; + starget->target_busy--; if (unlikely(scsi_host_in_recovery(shost) && (shost->host_failed || shost->host_eh_scheduled))) scsi_eh_wakeup(shost); @@ -519,6 +529,13 @@ static void scsi_single_lun_run(struct scsi_device *current_sdev) spin_unlock_irqrestore(shost->host_lock, flags); } +static inline int scsi_target_is_busy(struct scsi_target *starget) +{ + return ((starget->can_queue > 0 && + starget->target_busy >= starget->can_queue) || + starget->target_blocked); +} + /* * Function: scsi_run_queue() * @@ -533,7 +550,7 @@ static void scsi_single_lun_run(struct scsi_device *current_sdev) */ static void scsi_run_queue(struct request_queue *q) { - struct scsi_device *sdev = q->queuedata; + struct scsi_device *starved_head = NULL, *sdev = q->queuedata; struct Scsi_Host *shost = sdev->host; unsigned long flags; @@ -560,6 +577,21 @@ static void scsi_run_queue(struct request_queue *q) */ sdev = list_entry(shost->starved_list.next, struct scsi_device, starved_entry); + /* + * The *queue_ready functions can add a device back onto the + * starved list's tail, so we must check for a infinite loop. + */ + if (sdev == starved_head) + break; + if (!starved_head) + starved_head = sdev; + + if (scsi_target_is_busy(scsi_target(sdev))) { + list_move_tail(&sdev->starved_entry, + &shost->starved_list); + continue; + } + list_del_init(&sdev->starved_entry); spin_unlock(shost->host_lock); @@ -575,13 +607,6 @@ static void scsi_run_queue(struct request_queue *q) spin_unlock(sdev->request_queue->queue_lock); spin_lock(shost->host_lock); - if (unlikely(!list_empty(&sdev->starved_entry))) - /* - * sdev lost a race, and was put back on the - * starved list. This is unlikely but without this - * in theory we could loop forever. - */ - break; } spin_unlock_irqrestore(shost->host_lock, flags); @@ -1344,6 +1369,52 @@ static inline int scsi_dev_queue_ready(struct request_queue *q, return 1; } + +/* + * scsi_target_queue_ready: checks if there we can send commands to target + * @sdev: scsi device on starget to check. + * + * Called with the host lock held. + */ +static inline int scsi_target_queue_ready(struct Scsi_Host *shost, + struct scsi_device *sdev) +{ + struct scsi_target *starget = scsi_target(sdev); + + if (starget->single_lun) { + if (starget->starget_sdev_user && + starget->starget_sdev_user != sdev) + return 0; + starget->starget_sdev_user = sdev; + } + + if (starget->target_busy == 0 && starget->target_blocked) { + /* + * unblock after target_blocked iterates to zero + */ + if (--starget->target_blocked == 0) { + SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget, + "unblocking target at zero depth\n")); + } else { + blk_plug_device(sdev->request_queue); + return 0; + } + } + + if (scsi_target_is_busy(starget)) { + if (list_empty(&sdev->starved_entry)) { + list_add_tail(&sdev->starved_entry, + &shost->starved_list); + return 0; + } + } + + /* We're OK to process the command, so we can't be starved */ + if (!list_empty(&sdev->starved_entry)) + list_del_init(&sdev->starved_entry); + return 1; +} + /* * scsi_host_queue_ready: if we can send requests to shost, return 1 else * return 0. We must end up running the queue again whenever 0 is @@ -1390,6 +1461,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) { struct scsi_cmnd *cmd = req->special; struct scsi_device *sdev = cmd->device; + struct scsi_target *starget = scsi_target(sdev); struct Scsi_Host *shost = sdev->host; blkdev_dequeue_request(req); @@ -1413,6 +1485,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) spin_unlock(sdev->request_queue->queue_lock); spin_lock(shost->host_lock); shost->host_busy++; + starget->target_busy++; spin_unlock(shost->host_lock); spin_lock(sdev->request_queue->queue_lock); @@ -1550,14 +1623,13 @@ static void scsi_request_fn(struct request_queue *q) goto not_ready; } + if (!scsi_target_queue_ready(shost, sdev)) + goto not_ready; + if (!scsi_host_queue_ready(q, shost, sdev)) goto not_ready; - if (scsi_target(sdev)->single_lun) { - if (scsi_target(sdev)->starget_sdev_user && - scsi_target(sdev)->starget_sdev_user != sdev) - goto not_ready; - scsi_target(sdev)->starget_sdev_user = sdev; - } + + scsi_target(sdev)->target_busy++; shost->host_busy++; /* diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 334862e26a1b..b14dc02c3ded 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -419,6 +419,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent, dev->type = &scsi_target_type; starget->id = id; starget->channel = channel; + starget->can_queue = 0; INIT_LIST_HEAD(&starget->siblings); INIT_LIST_HEAD(&starget->devices); starget->state = STARGET_CREATED; diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 192f8716aa9e..3a5662b2817e 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -426,6 +426,7 @@ static inline int scsi_is_wlun(unsigned int lun) #define SCSI_MLQUEUE_HOST_BUSY 0x1055 #define SCSI_MLQUEUE_DEVICE_BUSY 0x1056 #define SCSI_MLQUEUE_EH_RETRY 0x1057 +#define SCSI_MLQUEUE_TARGET_BUSY 0x1058 /* * Use these to separate status msg and our bytes diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index b49e725be039..a37a8148a310 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -238,6 +238,16 @@ struct scsi_target { * for the device at a time. */ unsigned int pdt_1f_for_no_lun; /* PDT = 0x1f */ /* means no lun present */ + /* commands actually active on LLD. protected by host lock. */ + unsigned int target_busy; + /* + * LLDs should set this in the slave_alloc host template callout. + * If set to zero then there is not limit. + */ + unsigned int can_queue; + unsigned int target_blocked; + unsigned int max_target_blocked; +#define SCSI_DEFAULT_TARGET_BLOCKED 3 char scsi_level; struct execute_work ew; -- GitLab From c5e98e912c5423a0ec2eed7aa1064578d44f8a8e Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 17 Aug 2008 15:24:39 -0500 Subject: [PATCH 4241/6244] [SCSI] qla4xxx: return SCSI_MLQUEUE_TARGET_BUSY when driver has detected session error When qla4xxx begins recovery and the iscsi class is firing up to handle it, we need to retrn SCSI_MLQUEUE_TARGET_BUSY from the driver instead of host busy, because the session recovery only affects the one target. Signed-off-by: Mike Christie Acked-by: David C Somayajulu Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index de8279ad7d89..4255b36ff968 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -439,7 +439,7 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd, cmd->result = DID_NO_CONNECT << 16; goto qc_fail_command; } - goto qc_host_busy; + return SCSI_MLQUEUE_TARGET_BUSY; } if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) -- GitLab From 7b594131c4f38edeb13d8c6c0147949173c47013 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 17 Aug 2008 15:24:40 -0500 Subject: [PATCH 4242/6244] [SCSI] qla2xxx: return SCSI_MLQUEUE_TARGET_BUSY when driver has detected rport error or race If the fcport is not online then we do not want to block IO to all ports on the host. We just want to stop IO on port not online, so we should be using the SCSI_MLQUEUE_TARGET_BUSY return value. For the case where we race with the rport memset initialization we do not want the queuecommand to be called again so we can just use SCSI_MLQUEUE_TARGET_BUSY for this. Signed-off-by: Mike Christie Acked-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_os.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 3433441b956a..2aed4721c0d0 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -394,10 +394,8 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) } /* Close window on fcport/rport state-transitioning. */ - if (fcport->drport) { - cmd->result = DID_IMM_RETRY << 16; - goto qc_fail_command; - } + if (fcport->drport) + goto qc_target_busy; if (atomic_read(&fcport->state) != FCS_ONLINE) { if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || @@ -405,7 +403,7 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) cmd->result = DID_NO_CONNECT << 16; goto qc_fail_command; } - goto qc_host_busy; + goto qc_target_busy; } spin_unlock_irq(ha->host->host_lock); @@ -428,10 +426,11 @@ qc_host_busy_free_sp: qc_host_busy_lock: spin_lock_irq(ha->host->host_lock); - -qc_host_busy: return SCSI_MLQUEUE_HOST_BUSY; +qc_target_busy: + return SCSI_MLQUEUE_TARGET_BUSY; + qc_fail_command: done(cmd); @@ -461,10 +460,8 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) } /* Close window on fcport/rport state-transitioning. */ - if (fcport->drport) { - cmd->result = DID_IMM_RETRY << 16; - goto qc24_fail_command; - } + if (fcport->drport) + goto qc24_target_busy; if (atomic_read(&fcport->state) != FCS_ONLINE) { if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || @@ -472,7 +469,7 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) cmd->result = DID_NO_CONNECT << 16; goto qc24_fail_command; } - goto qc24_host_busy; + goto qc24_target_busy; } spin_unlock_irq(ha->host->host_lock); @@ -495,10 +492,11 @@ qc24_host_busy_free_sp: qc24_host_busy_lock: spin_lock_irq(ha->host->host_lock); - -qc24_host_busy: return SCSI_MLQUEUE_HOST_BUSY; +qc24_target_busy: + return SCSI_MLQUEUE_TARGET_BUSY; + qc24_fail_command: done(cmd); -- GitLab From d6d13ee19da6d291c99f980dcb76f6b7dc676804 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 17 Aug 2008 15:24:43 -0500 Subject: [PATCH 4243/6244] [SCSI] libiscsi: Use SCSI_MLQUEUE_TARGET_BUSY For the conditions below we do not want the queuecommand function to call us right back, so return SCSI_MLQUEUE_TARGET_BUSY. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index da7b67d30d9a..521dbf7e521d 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1194,12 +1194,10 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) switch (session->state) { case ISCSI_STATE_IN_RECOVERY: reason = FAILURE_SESSION_IN_RECOVERY; - sc->result = DID_IMM_RETRY << 16; - break; + goto reject; case ISCSI_STATE_LOGGING_OUT: reason = FAILURE_SESSION_LOGGING_OUT; - sc->result = DID_IMM_RETRY << 16; - break; + goto reject; case ISCSI_STATE_RECOVERY_FAILED: reason = FAILURE_SESSION_RECOVERY_TIMEOUT; sc->result = DID_NO_CONNECT << 16; @@ -1267,7 +1265,7 @@ reject: spin_unlock(&session->lock); debug_scsi("cmd 0x%x rejected (%d)\n", sc->cmnd[0], reason); spin_lock(host->host_lock); - return SCSI_MLQUEUE_HOST_BUSY; + return SCSI_MLQUEUE_TARGET_BUSY; fault: spin_unlock(&session->lock); -- GitLab From a93ce0244f2e94dd48e0b4a2742a4e3bf196ab53 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 17 Aug 2008 15:24:41 -0500 Subject: [PATCH 4244/6244] [SCSI] lpfc: use SCSI_MLQUEUE_TARGET_BUSY when catching the rport transition race We do want to call right back into the queuecommand during the race, so we can just use SCSI_MLQUEUE_TARGET_BUSY. Signed-off-by: Mike Christie Acked-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_scsi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 1bcebbd3dfac..a22bdf9548a6 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -966,10 +966,9 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) * Catch race where our node has transitioned, but the * transport is still transitioning. */ - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { - cmnd->result = ScsiResult(DID_BUS_BUSY, 0); - goto out_fail_command; - } + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + goto out_target_busy; + lpfc_cmd = lpfc_get_scsi_buf(phba); if (lpfc_cmd == NULL) { lpfc_adjust_queue_depth(phba); @@ -1014,6 +1013,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) lpfc_release_scsi_buf(phba, lpfc_cmd); out_host_busy: return SCSI_MLQUEUE_HOST_BUSY; + out_target_busy: + return SCSI_MLQUEUE_TARGET_BUSY; out_fail_command: done(cmnd); -- GitLab From fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:23 -0500 Subject: [PATCH 4245/6244] [SCSI] fc class: unblock target after calling terminate callback (take 2) When we block a rport and the driver implements the terminate callback we will fail IO that was running quickly. However IO that was in the scsi_device/block queue sits there until the dev_loss_tmo fires, and this can make it look like IO is lost because new IO will get executed but that IO stuck in the blocked queue sits there for some time longer. With this patch when the fast io fail tmo fires, we will fail the blocked IO and any new IO. This patch also allows all drivers to partially support the fast io fail tmo. If the terminate io callback is not implemented, we will still fail blocked IO and any new IO, so multipath can handle that. This patch also allows the fc and iscsi classes to implement the same behavior. The timers are just unfornately named differently. This patch also fixes the problem where drivers were unblocking the target in their terminate callback, which was needed for rport removal, but for fast io fail timeout it would cause IO to bounce arround the scsi/block layer and the LLD queuecommand. And it for drivers that could have IO stuck but did not have a terminate callback the unblock calls in the class will fix them. v2. - fix up bit setting style to meet JamesS's pref. - Broke out new host byte error changes to make it easier to read. - added JamesS's ack from list. v1 - initial patch Signed-off-by: Mike Christie Acked-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/scsi_transport_fc.c | 47 +++++++++++++++++++------------- include/scsi/scsi_transport_fc.h | 6 +++- 2 files changed, 33 insertions(+), 20 deletions(-) diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index d5f7653bb94b..1e71abf0607a 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -2133,8 +2133,7 @@ fc_attach_transport(struct fc_function_template *ft) SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(roles); SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_state); SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(scsi_target_id); - if (ft->terminate_rport_io) - SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo); + SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo); BUG_ON(count > FC_RPORT_NUM_ATTRS); @@ -2328,6 +2327,22 @@ fc_remove_host(struct Scsi_Host *shost) } EXPORT_SYMBOL(fc_remove_host); +static void fc_terminate_rport_io(struct fc_rport *rport) +{ + struct Scsi_Host *shost = rport_to_shost(rport); + struct fc_internal *i = to_fc_internal(shost->transportt); + + /* Involve the LLDD if possible to terminate all io on the rport. */ + if (i->f->terminate_rport_io) + i->f->terminate_rport_io(rport); + + /* + * must unblock to flush queued IO. The caller will have set + * the port_state or flags, so that fc_remote_port_chkready will + * fail IO. + */ + scsi_target_unblock(&rport->dev); +} /** * fc_starget_delete - called to delete the scsi decendents of an rport @@ -2340,13 +2355,8 @@ fc_starget_delete(struct work_struct *work) { struct fc_rport *rport = container_of(work, struct fc_rport, stgt_delete_work); - struct Scsi_Host *shost = rport_to_shost(rport); - struct fc_internal *i = to_fc_internal(shost->transportt); - - /* Involve the LLDD if possible to terminate all io on the rport. */ - if (i->f->terminate_rport_io) - i->f->terminate_rport_io(rport); + fc_terminate_rport_io(rport); scsi_remove_target(&rport->dev); } @@ -2372,10 +2382,7 @@ fc_rport_final_delete(struct work_struct *work) if (rport->flags & FC_RPORT_SCAN_PENDING) scsi_flush_work(shost); - /* involve the LLDD to terminate all pending i/o */ - if (i->f->terminate_rport_io) - i->f->terminate_rport_io(rport); - + fc_terminate_rport_io(rport); /* * Cancel any outstanding timers. These should really exist * only when rmmod'ing the LLDD and we're asking for @@ -2639,7 +2646,8 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, spin_lock_irqsave(shost->host_lock, flags); - rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; + rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT | + FC_RPORT_DEVLOSS_PENDING); /* if target, initiate a scan */ if (rport->scsi_target_id != -1) { @@ -2702,6 +2710,7 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel, rport->port_id = ids->port_id; rport->roles = ids->roles; rport->port_state = FC_PORTSTATE_ONLINE; + rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT; if (fci->f->dd_fcrport_size) memset(rport->dd_data, 0, @@ -2784,7 +2793,6 @@ void fc_remote_port_delete(struct fc_rport *rport) { struct Scsi_Host *shost = rport_to_shost(rport); - struct fc_internal *i = to_fc_internal(shost->transportt); int timeout = rport->dev_loss_tmo; unsigned long flags; @@ -2830,7 +2838,7 @@ fc_remote_port_delete(struct fc_rport *rport) /* see if we need to kill io faster than waiting for device loss */ if ((rport->fast_io_fail_tmo != -1) && - (rport->fast_io_fail_tmo < timeout) && (i->f->terminate_rport_io)) + (rport->fast_io_fail_tmo < timeout)) fc_queue_devloss_work(shost, &rport->fail_io_work, rport->fast_io_fail_tmo * HZ); @@ -2906,7 +2914,8 @@ fc_remote_port_rolechg(struct fc_rport *rport, u32 roles) fc_flush_devloss(shost); spin_lock_irqsave(shost->host_lock, flags); - rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; + rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT | + FC_RPORT_DEVLOSS_PENDING); spin_unlock_irqrestore(shost->host_lock, flags); /* ensure any stgt delete functions are done */ @@ -3001,6 +3010,7 @@ fc_timeout_deleted_rport(struct work_struct *work) rport->supported_classes = FC_COS_UNSPECIFIED; rport->roles = FC_PORT_ROLE_UNKNOWN; rport->port_state = FC_PORTSTATE_NOTPRESENT; + rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT; /* remove the identifiers that aren't used in the consisting binding */ switch (fc_host->tgtid_bind_type) { @@ -3043,13 +3053,12 @@ fc_timeout_fail_rport_io(struct work_struct *work) { struct fc_rport *rport = container_of(work, struct fc_rport, fail_io_work.work); - struct Scsi_Host *shost = rport_to_shost(rport); - struct fc_internal *i = to_fc_internal(shost->transportt); if (rport->port_state != FC_PORTSTATE_BLOCKED) return; - i->f->terminate_rport_io(rport); + rport->flags |= FC_RPORT_FAST_FAIL_TIMEDOUT; + fc_terminate_rport_io(rport); } /** diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index 21018a4df452..fb8d01370663 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -357,6 +357,7 @@ struct fc_rport { /* aka fc_starget_attrs */ /* bit field values for struct fc_rport "flags" field: */ #define FC_RPORT_DEVLOSS_PENDING 0x01 #define FC_RPORT_SCAN_PENDING 0x02 +#define FC_RPORT_FAST_FAIL_TIMEDOUT 0x03 #define dev_to_rport(d) \ container_of(d, struct fc_rport, dev) @@ -683,7 +684,10 @@ fc_remote_port_chkready(struct fc_rport *rport) result = DID_NO_CONNECT << 16; break; case FC_PORTSTATE_BLOCKED: - result = DID_IMM_RETRY << 16; + if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT) + result = DID_NO_CONNECT << 16; + else + result = DID_IMM_RETRY << 16; break; default: result = DID_NO_CONNECT << 16; -- GitLab From 9cc328f502eacfcc52ab1c1bf9a7729cf12f14be Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:24 -0500 Subject: [PATCH 4246/6244] [SCSI] ibmvfc, qla2xxx, lpfc: remove scsi_target_unblock calls in terminate callbacks The fc class now calls scsi_target_unblock after calling the terminate callback, so this patch removes the calls from the drivers. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/ibmvscsi/ibmvfc.c | 2 -- drivers/scsi/lpfc/lpfc_hbadisc.c | 8 -------- drivers/scsi/qla2xxx/qla_attr.c | 1 - 3 files changed, 11 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 4e0b7c8eb32e..7650707a40de 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -2031,8 +2031,6 @@ static void ibmvfc_terminate_rport_io(struct fc_rport *rport) spin_unlock_irqrestore(shost->host_lock, flags); } else ibmvfc_issue_fc_host_lip(shost); - - scsi_target_unblock(&rport->dev); LEAVE; } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index a98d11bf3576..aaf398e5c93f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -88,14 +88,6 @@ lpfc_terminate_rport_io(struct fc_rport *rport) &phba->sli.ring[phba->sli.fcp_ring], ndlp->nlp_sid, 0, LPFC_CTX_TGT); } - - /* - * A device is normally blocked for rediscovery and unblocked when - * devloss timeout happens. In case a vport is removed or driver - * unloaded before devloss timeout happens, we need to unblock here. - */ - scsi_target_unblock(&rport->dev); - return; } /* diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 0ddfe7106b3b..ed731968f15f 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1006,7 +1006,6 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) } qla2x00_abort_fcport_cmds(fcport); - scsi_target_unblock(&rport->dev); } static int -- GitLab From a4dfaa6f2e55b736adf2719133996f7e7dc309bc Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:25 -0500 Subject: [PATCH 4247/6244] [SCSI] scsi: add transport host byte errors (v3) Currently, if there is a transport problem the iscsi drivers will return outstanding commands (commands being exeucted by the driver/fw/hw) with DID_BUS_BUSY and block the session so no new commands can be queued. Commands that are caught between the failure handling and blocking are failed with DID_IMM_RETRY or one of the scsi ml queuecommand return values. When the recovery_timeout fires, the iscsi drivers then fail IO with DID_NO_CONNECT. For fcp, some drivers will fail some outstanding IO (disk but possibly not tape) with DID_BUS_BUSY or DID_ERROR or some other value that causes a retry and hits the scsi_error.c failfast check, block the rport, and commands caught in the race are failed with DID_IMM_RETRY. Other drivers, may hold onto all IO and wait for the terminate_rport_io or dev_loss_tmo_callbk to be called. The following patches attempt to unify what upper layers will see drivers like multipath can make a good guess. This relies on drivers being hooked into their transport class. This first patch just defines two new host byte errors so drivers can return the same value for when a rport/session is blocked and for when the fast_io_fail_tmo fires. The idea is that if the LLD/class detects a problem and is going to block a rport/session, then if the LLD wants or must return the command to scsi-ml, then it can return it with DID_TRANSPORT_DISRUPTED. This will requeue the IO into the same scsi queue it came from, until the fast io fail timer fires and the class decides what to do. When using multipath and the fast_io_fail_tmo fires then the class can fail commands with DID_TRANSPORT_FAILFAST or drivers can use DID_TRANSPORT_FAILFAST in their terminate_rport_io callbacks or the equivlent in iscsi if we ever implement more advanced recovery methods. A LLD, like lpfc, could continue to return DID_ERROR and then it will hit the normal failfast path, so drivers do not have fully be ported to work better. The point of the patches is that upper layers will not see a failure that could be recovered from while the rport/session is blocked until fast_io_fail_tmo/recovery_timeout fires. V3 Remove some comments. V2 Fixed patch/diff errors and renamed DID_TRANSPORT_BLOCKED to DID_TRANSPORT_DISRUPTED. V1 initial patch. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/constants.c | 3 ++- drivers/scsi/scsi_error.c | 15 ++++++++++++++- include/scsi/scsi.h | 5 +++++ 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index 9785d7384199..4003deefb7d8 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -1364,7 +1364,8 @@ EXPORT_SYMBOL(scsi_print_sense); static const char * const hostbyte_table[]={ "DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET", "DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR", -"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE"}; +"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE", +"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST" }; #define NUM_HOSTBYTE_STRS ARRAY_SIZE(hostbyte_table) static const char * const driverbyte_table[]={ diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index fecefa05cb62..5bf8be21a165 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1290,7 +1290,20 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) case DID_REQUEUE: return ADD_TO_MLQUEUE; - + case DID_TRANSPORT_DISRUPTED: + /* + * LLD/transport was disrupted during processing of the IO. + * The transport class is now blocked/blocking, + * and the transport will decide what to do with the IO + * based on its timers and recovery capablilities. + */ + return ADD_TO_MLQUEUE; + case DID_TRANSPORT_FAILFAST: + /* + * The transport decided to failfast the IO (most likely + * the fast io fail tmo fired), so send IO directly upwards. + */ + return SUCCESS; case DID_ERROR: if (msg_byte(scmd->result) == COMMAND_COMPLETE && status_byte(scmd->result) == RESERVATION_CONFLICT) diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 3a5662b2817e..a109165714d6 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -381,6 +381,11 @@ static inline int scsi_is_wlun(unsigned int lun) #define DID_IMM_RETRY 0x0c /* Retry without decrementing retry count */ #define DID_REQUEUE 0x0d /* Requeue command (no immediate retry) also * without decrementing the retry count */ +#define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution + * and the driver blocked the port to + * recover the link. Transport class will + * retry or fail IO */ +#define DID_TRANSPORT_FAILFAST 0x0f /* Transport class fastfailed the io */ #define DRIVER_OK 0x00 /* Driver status */ /* -- GitLab From 56d7fcfa815564b40a1b0ec7a30ea8cb3bc0713e Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:26 -0500 Subject: [PATCH 4248/6244] [SCSI] iscsi class, libiscsi and qla4xxx: convert to new transport host byte values This patch converts the iscsi drivers to the new host byte values. v2 Drop some conversions. Want to avoid conflicts with other patches. v1 initial patch. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 8 +++++--- drivers/scsi/qla4xxx/ql4_isr.c | 4 ++-- drivers/scsi/scsi_transport_iscsi.c | 4 ++-- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 521dbf7e521d..0e8f26baca6e 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1200,7 +1200,7 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) goto reject; case ISCSI_STATE_RECOVERY_FAILED: reason = FAILURE_SESSION_RECOVERY_TIMEOUT; - sc->result = DID_NO_CONNECT << 16; + sc->result = DID_TRANSPORT_FAILFAST << 16; break; case ISCSI_STATE_TERMINATE: reason = FAILURE_SESSION_TERMINATE; @@ -2333,8 +2333,10 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, * flush queues. */ spin_lock_bh(&session->lock); - fail_all_commands(conn, -1, - STOP_CONN_RECOVER ? DID_BUS_BUSY : DID_ERROR); + if (STOP_CONN_RECOVER) + fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED); + else + fail_all_commands(conn, -1, DID_ERROR); flush_control_queues(session, conn); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index a91a57c57bff..799120fcb9be 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -139,7 +139,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, ha->host_no, cmd->device->channel, cmd->device->id, cmd->device->lun)); - cmd->result = DID_BUS_BUSY << 16; + cmd->result = DID_TRANSPORT_DISRUPTED << 16; /* * Mark device missing so that we won't continue to send @@ -243,7 +243,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) qla4xxx_mark_device_missing(ha, ddb_entry); - cmd->result = DID_BUS_BUSY << 16; + cmd->result = DID_TRANSPORT_DISRUPTED << 16; break; case SCS_QUEUE_FULL: diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 0ce5f7cdfe2a..cbaae48f47ed 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -374,10 +374,10 @@ int iscsi_session_chkready(struct iscsi_cls_session *session) err = 0; break; case ISCSI_SESSION_FAILED: - err = DID_IMM_RETRY << 16; + err = DID_TRANSPORT_DISRUPTED << 16; break; case ISCSI_SESSION_FREE: - err = DID_NO_CONNECT << 16; + err = DID_TRANSPORT_FAILFAST << 16; break; default: err = DID_NO_CONNECT << 16; -- GitLab From f46e307da925a7b71a0018c0510cdc6e588b87fc Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:27 -0500 Subject: [PATCH 4249/6244] [SCSI] fc class: Add support for new transport errors If the target is blocked and fast io fail tmo has not fired then we requeue with DID_TRANSPORT_DISRUPTED. Once that tmo fires we fail with DID_TRANSPORT_FAILFAST. v2 - seperate from "fc class: unblock target after calling terminate callback" to make it easier to review. - Add JamesS's ack from list. v2 - initial patch Signed-off-by: Mike Christie Acked-by: James Smart Signed-off-by: James Bottomley --- include/scsi/scsi_transport_fc.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index fb8d01370663..49d8913c4f86 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -679,15 +679,15 @@ fc_remote_port_chkready(struct fc_rport *rport) if (rport->roles & FC_PORT_ROLE_FCP_TARGET) result = 0; else if (rport->flags & FC_RPORT_DEVLOSS_PENDING) - result = DID_IMM_RETRY << 16; + result = DID_TRANSPORT_DISRUPTED << 16; else result = DID_NO_CONNECT << 16; break; case FC_PORTSTATE_BLOCKED: if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT) - result = DID_NO_CONNECT << 16; + result = DID_TRANSPORT_FAILFAST << 16; else - result = DID_IMM_RETRY << 16; + result = DID_TRANSPORT_DISRUPTED << 16; break; default: result = DID_NO_CONNECT << 16; -- GitLab From 056a44834950ffa51fafa6c76a720fa32e86851a Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:29 -0500 Subject: [PATCH 4250/6244] [SCSI] qla2xxx: use new host byte transport errors. This has qla2xxx use the new transport error values instead of DID_BUS_BUSY. I am not sure if all the errors in qla_isr.c I changed are transport related. We end up blocking/deleting the rport for all of them so it is better to use the new transport error since the fc classs will decide when to fail the IO. With this patch if I pull a cable then IO that had reached the driver, will be failed with DID_TRANSPORT_DISRUPTED (not including tape). The fc class will then fail the IO when the fast io fail tmo has fired, and the driver will flush any other commands running. Signed-off-by: Mike Christie Cc: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_isr.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index fc4bfa7f839c..a76efd99d007 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1187,7 +1187,12 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) cp->serial_number, comp_status, atomic_read(&fcport->state))); - cp->result = DID_BUS_BUSY << 16; + /* + * We are going to have the fc class block the rport + * while we try to recover so instruct the mid layer + * to requeue until the class decides how to handle this. + */ + cp->result = DID_TRANSPORT_DISRUPTED << 16; if (atomic_read(&fcport->state) == FCS_ONLINE) qla2x00_mark_device_lost(fcport->ha, fcport, 1, 1); break; @@ -1214,7 +1219,12 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) break; case CS_TIMEOUT: - cp->result = DID_BUS_BUSY << 16; + /* + * We are going to have the fc class block the rport + * while we try to recover so instruct the mid layer + * to requeue until the class decides how to handle this. + */ + cp->result = DID_TRANSPORT_DISRUPTED << 16; if (IS_FWI2_CAPABLE(ha)) { DEBUG2(printk(KERN_INFO -- GitLab From 6000a368cd8e6da1caf101411bdb494cd6fb8b09 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:30 -0500 Subject: [PATCH 4251/6244] [SCSI] block: separate failfast into multiple bits. Multipath is best at handling transport errors. If it gets a device error then there is not much the multipath layer can do. It will just access the same device but from a different path. This patch breaks up failfast into device, transport and driver errors. The multipath layers (md and dm mutlipath) only ask the lower levels to fast fail transport errors. The user of failfast, read ahead, will ask to fast fail on all errors. Note that blk_noretry_request will return true if any failfast bit is set. This allows drivers that do not support the multipath failfast bits to continue to fail on any failfast error like before. Drivers like scsi that are able to fail fast specific errors can check for the specific fail fast type. In the next patch I will convert scsi. Signed-off-by: Mike Christie Cc: Jens Axboe Signed-off-by: James Bottomley --- block/blk-core.c | 11 +++++++-- drivers/md/dm-mpath.c | 2 +- drivers/md/multipath.c | 4 ++-- drivers/s390/block/dasd_diag.c | 2 +- drivers/s390/block/dasd_eckd.c | 2 +- drivers/s390/block/dasd_fba.c | 2 +- drivers/scsi/device_handler/scsi_dh_alua.c | 3 ++- drivers/scsi/device_handler/scsi_dh_emc.c | 3 ++- drivers/scsi/device_handler/scsi_dh_hp_sw.c | 6 +++-- drivers/scsi/device_handler/scsi_dh_rdac.c | 3 ++- drivers/scsi/scsi_transport_spi.c | 4 +++- include/linux/bio.h | 26 ++++++++++++++------- include/linux/blkdev.h | 15 +++++++++--- 13 files changed, 57 insertions(+), 26 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 2d053b584410..9e79a485e4f3 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1075,8 +1075,15 @@ void init_request_from_bio(struct request *req, struct bio *bio) /* * inherit FAILFAST from bio (for read-ahead, and explicit FAILFAST) */ - if (bio_rw_ahead(bio) || bio_failfast(bio)) - req->cmd_flags |= REQ_FAILFAST; + if (bio_rw_ahead(bio)) + req->cmd_flags |= (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER); + if (bio_failfast_dev(bio)) + req->cmd_flags |= REQ_FAILFAST_DEV; + if (bio_failfast_transport(bio)) + req->cmd_flags |= REQ_FAILFAST_TRANSPORT; + if (bio_failfast_driver(bio)) + req->cmd_flags |= REQ_FAILFAST_DRIVER; /* * REQ_BARRIER implies no merging, but lets make it explicit diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 103304c1e3b0..9bf3460c5540 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -849,7 +849,7 @@ static int multipath_map(struct dm_target *ti, struct bio *bio, dm_bio_record(&mpio->details, bio); map_context->ptr = mpio; - bio->bi_rw |= (1 << BIO_RW_FAILFAST); + bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT); r = map_io(m, bio, mpio, 0); if (r < 0 || r == DM_MAPIO_REQUEUE) mempool_free(mpio, m->mpio_pool); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 8bb8794129b3..7ae33ebaf7ec 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -176,7 +176,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio) mp_bh->bio = *bio; mp_bh->bio.bi_sector += multipath->rdev->data_offset; mp_bh->bio.bi_bdev = multipath->rdev->bdev; - mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST); + mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT); mp_bh->bio.bi_end_io = multipath_end_request; mp_bh->bio.bi_private = mp_bh; generic_make_request(&mp_bh->bio); @@ -402,7 +402,7 @@ static void multipathd (mddev_t *mddev) *bio = *(mp_bh->master_bio); bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset; bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev; - bio->bi_rw |= (1 << BIO_RW_FAILFAST); + bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT); bio->bi_end_io = multipath_end_request; bio->bi_private = mp_bh; generic_make_request(bio); diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 85fcb4371054..7844461a995b 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -544,7 +544,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, } cqr->retries = DIAG_MAX_RETRIES; cqr->buildclk = get_clock(); - if (req->cmd_flags & REQ_FAILFAST) + if (blk_noretry_request(req)) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = memdev; cqr->memdev = memdev; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 49f9d221e23d..2e60d5f968c8 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1700,7 +1700,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev, recid++; } } - if (req->cmd_flags & REQ_FAILFAST) + if (blk_noretry_request(req)) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = startdev; cqr->memdev = startdev; diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 93d9b6452a94..7d442aeff3d1 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -355,7 +355,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev, recid++; } } - if (req->cmd_flags & REQ_FAILFAST) + if (blk_noretry_request(req)) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = memdev; cqr->memdev = memdev; diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 708e475896b9..cb8aa3b58c22 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -109,7 +109,8 @@ static struct request *get_alua_req(struct scsi_device *sdev, } rq->cmd_type = REQ_TYPE_BLOCK_PC; - rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE; + rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER | REQ_NOMERGE; rq->retries = ALUA_FAILOVER_RETRIES; rq->timeout = ALUA_FAILOVER_TIMEOUT; diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index 8f45570a8a01..0e572d2c5b0a 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -303,7 +303,8 @@ static struct request *get_req(struct scsi_device *sdev, int cmd, rq->cmd[4] = len; rq->cmd_type = REQ_TYPE_BLOCK_PC; - rq->cmd_flags |= REQ_FAILFAST; + rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER; rq->timeout = CLARIION_TIMEOUT; rq->retries = CLARIION_RETRIES; diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c index 5e93c88ad66b..9aec4ca64e56 100644 --- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c +++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c @@ -112,7 +112,8 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h) return SCSI_DH_RES_TEMP_UNAVAIL; req->cmd_type = REQ_TYPE_BLOCK_PC; - req->cmd_flags |= REQ_FAILFAST; + req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER; req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY); req->cmd[0] = TEST_UNIT_READY; req->timeout = HP_SW_TIMEOUT; @@ -204,7 +205,8 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h) return SCSI_DH_RES_TEMP_UNAVAIL; req->cmd_type = REQ_TYPE_BLOCK_PC; - req->cmd_flags |= REQ_FAILFAST; + req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER; req->cmd_len = COMMAND_SIZE(START_STOP); req->cmd[0] = START_STOP; req->cmd[4] = 1; /* Start spin cycle */ diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 50bf95f3b5c4..a43c3ed4df28 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -226,7 +226,8 @@ static struct request *get_rdac_req(struct scsi_device *sdev, } rq->cmd_type = REQ_TYPE_BLOCK_PC; - rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE; + rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER; rq->retries = RDAC_RETRIES; rq->timeout = RDAC_TIMEOUT; diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index b29360ed0bdc..7c2d28924d2a 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -109,7 +109,9 @@ static int spi_execute(struct scsi_device *sdev, const void *cmd, for(i = 0; i < DV_RETRIES; i++) { result = scsi_execute(sdev, cmd, dir, buffer, bufflen, sense, DV_TIMEOUT, /* retries */ 1, - REQ_FAILFAST); + REQ_FAILFAST_DEV | + REQ_FAILFAST_TRANSPORT | + REQ_FAILFAST_DRIVER); if (result & DRIVER_SENSE) { struct scsi_sense_hdr sshdr_tmp; if (!sshdr) diff --git a/include/linux/bio.h b/include/linux/bio.h index ff5b4cf9e2da..1beda208cbfb 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -129,25 +129,30 @@ struct bio { * bit 2 -- barrier * Insert a serialization point in the IO queue, forcing previously * submitted IO to be completed before this oen is issued. - * bit 3 -- fail fast, don't want low level driver retries - * bit 4 -- synchronous I/O hint: the block layer will unplug immediately + * bit 3 -- synchronous I/O hint: the block layer will unplug immediately * Note that this does NOT indicate that the IO itself is sync, just * that the block layer will not postpone issue of this IO by plugging. - * bit 5 -- metadata request + * bit 4 -- metadata request * Used for tracing to differentiate metadata and data IO. May also * get some preferential treatment in the IO scheduler - * bit 6 -- discard sectors + * bit 5 -- discard sectors * Informs the lower level device that this range of sectors is no longer * used by the file system and may thus be freed by the device. Used * for flash based storage. + * bit 6 -- fail fast device errors + * bit 7 -- fail fast transport errors + * bit 8 -- fail fast driver errors + * Don't want driver retries for any fast fail whatever the reason. */ #define BIO_RW 0 /* Must match RW in req flags (blkdev.h) */ #define BIO_RW_AHEAD 1 /* Must match FAILFAST in req flags */ #define BIO_RW_BARRIER 2 -#define BIO_RW_FAILFAST 3 -#define BIO_RW_SYNC 4 -#define BIO_RW_META 5 -#define BIO_RW_DISCARD 6 +#define BIO_RW_SYNC 3 +#define BIO_RW_META 4 +#define BIO_RW_DISCARD 5 +#define BIO_RW_FAILFAST_DEV 6 +#define BIO_RW_FAILFAST_TRANSPORT 7 +#define BIO_RW_FAILFAST_DRIVER 8 /* * upper 16 bits of bi_rw define the io priority of this bio @@ -174,7 +179,10 @@ struct bio { #define bio_sectors(bio) ((bio)->bi_size >> 9) #define bio_barrier(bio) ((bio)->bi_rw & (1 << BIO_RW_BARRIER)) #define bio_sync(bio) ((bio)->bi_rw & (1 << BIO_RW_SYNC)) -#define bio_failfast(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST)) +#define bio_failfast_dev(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DEV)) +#define bio_failfast_transport(bio) \ + ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_TRANSPORT)) +#define bio_failfast_driver(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DRIVER)) #define bio_rw_ahead(bio) ((bio)->bi_rw & (1 << BIO_RW_AHEAD)) #define bio_rw_meta(bio) ((bio)->bi_rw & (1 << BIO_RW_META)) #define bio_discard(bio) ((bio)->bi_rw & (1 << BIO_RW_DISCARD)) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index a92d9e4ea96e..f3491d225268 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -87,7 +87,9 @@ enum { */ enum rq_flag_bits { __REQ_RW, /* not set, read. set, write */ - __REQ_FAILFAST, /* no low level driver retries */ + __REQ_FAILFAST_DEV, /* no driver retries of device errors */ + __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */ + __REQ_FAILFAST_DRIVER, /* no driver retries of driver errors */ __REQ_DISCARD, /* request to discard sectors */ __REQ_SORTED, /* elevator knows about this request */ __REQ_SOFTBARRIER, /* may not be passed by ioscheduler */ @@ -111,8 +113,10 @@ enum rq_flag_bits { }; #define REQ_RW (1 << __REQ_RW) +#define REQ_FAILFAST_DEV (1 << __REQ_FAILFAST_DEV) +#define REQ_FAILFAST_TRANSPORT (1 << __REQ_FAILFAST_TRANSPORT) +#define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) #define REQ_DISCARD (1 << __REQ_DISCARD) -#define REQ_FAILFAST (1 << __REQ_FAILFAST) #define REQ_SORTED (1 << __REQ_SORTED) #define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER) #define REQ_HARDBARRIER (1 << __REQ_HARDBARRIER) @@ -560,7 +564,12 @@ enum { #define blk_special_request(rq) ((rq)->cmd_type == REQ_TYPE_SPECIAL) #define blk_sense_request(rq) ((rq)->cmd_type == REQ_TYPE_SENSE) -#define blk_noretry_request(rq) ((rq)->cmd_flags & REQ_FAILFAST) +#define blk_failfast_dev(rq) ((rq)->cmd_flags & REQ_FAILFAST_DEV) +#define blk_failfast_transport(rq) ((rq)->cmd_flags & REQ_FAILFAST_TRANSPORT) +#define blk_failfast_driver(rq) ((rq)->cmd_flags & REQ_FAILFAST_DRIVER) +#define blk_noretry_request(rq) (blk_failfast_dev(rq) || \ + blk_failfast_transport(rq) || \ + blk_failfast_driver(rq)) #define blk_rq_started(rq) ((rq)->cmd_flags & REQ_STARTED) #define blk_account_rq(rq) (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) -- GitLab From 4a27446f3e39b06c28d1c8e31d33a5340826ed5c Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 19 Aug 2008 18:45:31 -0500 Subject: [PATCH 4252/6244] [SCSI] modify scsi to handle new fail fast flags. This checks the errors the scsi-ml determined were retryable and returns if we should fast fail it based on the request fail fast flags. Without the patch, drivers like lpfc, qla2xxx and fcoe would return DID_ERROR for what it determines is a temporary communication problem. There is no loss of connectivity at that time and the driver thinks that it would be fast to retry at the driver level. SCSI-ml will however sees fast fail on the request and DID_ERROR and will fast fail the io. This will then cause dm-multipath to fail the path and possibley switch target controllers when we should be retrying at the scsi layer. We also were fast failing device errors to dm multiapth when unless the scsi_dh modules think otherwis we want to retry at the scsi layer because multipath can only retry the IO like scsi should have done. multipath is a little dumber though because it does not what the error was for and assumes that it should fail the paths. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_error.c | 38 ++++++++++++++++++++++++++++++++++++-- drivers/scsi/scsi_lib.c | 2 +- drivers/scsi/scsi_priv.h | 1 + 3 files changed, 38 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 5bf8be21a165..ad019ece2139 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1218,6 +1218,40 @@ static void scsi_eh_offline_sdevs(struct list_head *work_q, return; } +/** + * scsi_noretry_cmd - determinte if command should be failed fast + * @scmd: SCSI cmd to examine. + */ +int scsi_noretry_cmd(struct scsi_cmnd *scmd) +{ + switch (host_byte(scmd->result)) { + case DID_OK: + break; + case DID_BUS_BUSY: + return blk_failfast_transport(scmd->request); + case DID_PARITY: + return blk_failfast_dev(scmd->request); + case DID_ERROR: + if (msg_byte(scmd->result) == COMMAND_COMPLETE && + status_byte(scmd->result) == RESERVATION_CONFLICT) + return 0; + /* fall through */ + case DID_SOFT_ERROR: + return blk_failfast_driver(scmd->request); + } + + switch (status_byte(scmd->result)) { + case CHECK_CONDITION: + /* + * assume caller has checked sense and determinted + * the check condition was retryable. + */ + return blk_failfast_dev(scmd->request); + } + + return 0; +} + /** * scsi_decide_disposition - Disposition a cmd on return from LLD. * @scmd: SCSI cmd to examine. @@ -1396,7 +1430,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * even if the request is marked fast fail, we still requeue * for queue congestion conditions (QUEUE_FULL or BUSY) */ if ((++scmd->retries) <= scmd->allowed - && !blk_noretry_request(scmd->request)) { + && !scsi_noretry_cmd(scmd)) { return NEEDS_RETRY; } else { /* @@ -1521,7 +1555,7 @@ void scsi_eh_flush_done_q(struct list_head *done_q) list_for_each_entry_safe(scmd, next, done_q, eh_entry) { list_del_init(&scmd->eh_entry); if (scsi_device_online(scmd->device) && - !blk_noretry_request(scmd->request) && + !scsi_noretry_cmd(scmd) && (++scmd->retries <= scmd->allowed)) { SCSI_LOG_ERROR_RECOVERY(3, printk("%s: flush" " retry cmd: %p\n", diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 91c74c55aa5e..e5a9526d2037 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -706,7 +706,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error, leftover = req->data_len; /* kill remainder if no retrys */ - if (error && blk_noretry_request(req)) + if (error && scsi_noretry_cmd(cmd)) blk_end_request(req, error, leftover); else { if (requeue) { diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 6cddd5dd323c..e1850904ff73 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -59,6 +59,7 @@ void scsi_eh_ready_devs(struct Scsi_Host *shost, struct list_head *done_q); int scsi_eh_get_sense(struct list_head *work_q, struct list_head *done_q); +int scsi_noretry_cmd(struct scsi_cmnd *scmd); /* scsi_lib.c */ extern int scsi_maybe_unblock_host(struct scsi_device *sdev); -- GitLab From e59058c44025d71c9b7f260076a932935d3bba95 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:49:00 -0400 Subject: [PATCH 4253/6244] [SCSI] lpfc 8.2.8 : Add kernel-doc function headers Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_attr.c | 919 +++++++++++++++++++- drivers/scsi/lpfc/lpfc_debugfs.c | 327 +++++++- drivers/scsi/lpfc/lpfc_els.c | 1345 +++++++++++++++++++++++++++++- drivers/scsi/lpfc/lpfc_init.c | 575 ++++++++++--- drivers/scsi/lpfc/lpfc_mbox.c | 468 +++++++++-- drivers/scsi/lpfc/lpfc_mem.c | 115 ++- drivers/scsi/lpfc/lpfc_sli.c | 1063 ++++++++++++++++++++++- 7 files changed, 4556 insertions(+), 256 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 37bfa0bd1dae..2926a2a7ee70 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -49,6 +49,21 @@ #define LPFC_LINK_SPEED_BITMAP 0x00000117 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" +/** + * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules. + * @incr: integer to convert. + * @hdw: ascii string holding converted integer plus a string terminator. + * + * Description: + * JEDEC Joint Electron Device Engineering Council. + * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii + * character string. The string is then terminated with a NULL in byte 9. + * Hex 0-9 becomes ascii '0' to '9'. + * Hex a-f becomes ascii '=' to 'B' capital B. + * + * Notes: + * Coded for 32 bit integers only. + **/ static void lpfc_jedec_to_ascii(int incr, char hdw[]) { @@ -65,6 +80,14 @@ lpfc_jedec_to_ascii(int incr, char hdw[]) return; } +/** + * lpfc_drvr_version_show: Return the Emulex driver string with version number. + * @dev: class unused variable. + * @attr: device attribute, not used. + * @buf: on return contains the module description text. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -72,6 +95,14 @@ lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n"); } +/** + * lpfc_info_show: Return some pci info about the host in ascii. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the formatted text from lpfc_info(). + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_info_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -81,6 +112,14 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host)); } +/** + * lpfc_serialnum_show: Return the hba serial number in ascii. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the formatted text serial number. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -92,6 +131,18 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber); } +/** + * lpfc_temp_sensor_show: Return the temperature sensor level. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the formatted support level. + * + * Description: + * Returns a number indicating the temperature sensor level currently + * supported, zero or one in ascii. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -102,6 +153,14 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); } +/** + * lpfc_modeldesc_show: Return the model description of the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the scsi vpd model description. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -113,6 +172,14 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc); } +/** + * lpfc_modelname_show: Return the model name of the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the scsi vpd model name. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_modelname_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -124,6 +191,14 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName); } +/** + * lpfc_programtype_show: Return the program type of the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the scsi vpd program type. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_programtype_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -135,6 +210,14 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); } +/** + * lpfc_vportnum_show: Return the port number in ascii of the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains scsi vpd program type. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -146,6 +229,14 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port); } +/** + * lpfc_fwrev_show: Return the firmware rev running in the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the scsi vpd program type. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -159,6 +250,14 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev); } +/** + * lpfc_hdw_show: Return the jedec information about the hba. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the scsi vpd program type. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -171,6 +270,15 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf) lpfc_jedec_to_ascii(vp->rev.biuRev, hdw); return snprintf(buf, PAGE_SIZE, "%s\n", hdw); } + +/** + * lpfc_option_rom_version_show: Return the adapter ROM FCode version. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the ROM and FCode ascii strings. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -181,6 +289,18 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion); } + +/** + * lpfc_state_show: Return the link state of the port. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains text describing the state of the link. + * + * Notes: + * The switch statement has no default so zero will be returned. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_link_state_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -253,6 +373,18 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, return len; } +/** + * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the sum of fc mapped and unmapped. + * + * Description: + * Returns the ascii text number of the sum of the fc mapped and unmapped + * vport counts. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_num_discovered_ports_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -264,7 +396,20 @@ lpfc_num_discovered_ports_show(struct device *dev, vport->fc_map_cnt + vport->fc_unmap_cnt); } - +/** + * lpfc_issue_lip: Misnomer, name carried over from long ago. + * @shost: Scsi_Host pointer. + * + * Description: + * Bring the link down gracefully then re-init the link. The firmware will + * re-init the fiber channel interface as required. Does not issue a LIP. + * + * Returns: + * -EPERM port offline or management commands are being blocked + * -ENOMEM cannot allocate memory for the mailbox command + * -EIO error sending the mailbox command + * zero for success + **/ static int lpfc_issue_lip(struct Scsi_Host *shost) { @@ -306,6 +451,21 @@ lpfc_issue_lip(struct Scsi_Host *shost) return 0; } +/** + * lpfc_do_offline: Issues a mailbox command to bring the link down. + * @phba: lpfc_hba pointer. + * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL. + * + * Notes: + * Assumes any error from lpfc_do_offline() will be negative. + * Can wait up to 5 seconds for the port ring buffers count + * to reach zero, prints a warning if it is not zero and continues. + * lpfc_workq_post_event() returns a non-zero return coce if call fails. + * + * Returns: + * -EIO error posting the event + * zero for success + **/ static int lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) { @@ -353,6 +513,22 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) return 0; } +/** + * lpfc_selective_reset: Offline then onlines the port. + * @phba: lpfc_hba pointer. + * + * Description: + * If the port is configured to allow a reset then the hba is brought + * offline then online. + * + * Notes: + * Assumes any error from lpfc_do_offline() will be negative. + * + * Returns: + * lpfc_do_offline() return code if not zero + * -EIO reset not configured or error posting the event + * zero for success + **/ static int lpfc_selective_reset(struct lpfc_hba *phba) { @@ -378,6 +554,27 @@ lpfc_selective_reset(struct lpfc_hba *phba) return 0; } +/** + * lpfc_issue_reset: Selectively resets an adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: containing the string "selective". + * @count: unused variable. + * + * Description: + * If the buf contains the string "selective" then lpfc_selective_reset() + * is called to perform the reset. + * + * Notes: + * Assumes any error from lpfc_selective_reset() will be negative. + * If lpfc_selective_reset() returns zero then the length of the buffer + * is returned which indicates succcess + * + * Returns: + * -EINVAL if the buffer does not contain the string "selective" + * length of buf if lpfc-selective_reset() if the call succeeds + * return value of lpfc_selective_reset() if the call fails +**/ static ssize_t lpfc_issue_reset(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -397,6 +594,14 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, return status; } +/** + * lpfc_nport_evt_cnt_show: Return the number of nport events. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the ascii number of nport events. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -408,6 +613,14 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt); } +/** + * lpfc_board_mode_show: Return the state of the board. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the state of the adapter. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -429,6 +642,19 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n", state); } +/** + * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: containing one of the strings "online", "offline", "warm" or "error". + * @count: unused variable. + * + * Returns: + * -EACCES if enable hba reset not enabled + * -EINVAL if the buffer does not contain a valid string (see above) + * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails + * buf length greater than zero indicates success + **/ static ssize_t lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -462,6 +688,24 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, return -EIO; } +/** + * lpfc_get_hba_info: Return various bits of informaton about the adapter. + * @phba: pointer to the adapter structure. + * @mxri max xri count. + * @axri available xri count. + * @mrpi max rpi count. + * @arpi available rpi count. + * @mvpi max vpi count. + * @avpi available vpi count. + * + * Description: + * If an integer pointer for an count is not null then the value for the + * count is returned. + * + * Returns: + * zero on error + * one for success + **/ static int lpfc_get_hba_info(struct lpfc_hba *phba, uint32_t *mxri, uint32_t *axri, @@ -524,6 +768,20 @@ lpfc_get_hba_info(struct lpfc_hba *phba, return 1; } +/** + * lpfc_max_rpi_show: Return maximum rpi. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the maximum rpi count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mrpi count. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -538,6 +796,20 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_used_rpi_show: Return maximum rpi minus available rpi. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: containing the used rpi count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -552,6 +824,20 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_max_xri_show: Return maximum xri. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the maximum xri count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mrpi count. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -566,6 +852,20 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_used_xri_show: Return maximum xpi minus the available xpi. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the used xri count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mxri and axri counts. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -580,6 +880,20 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_max_vpi_show: Return maximum vpi. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the maximum vpi count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mvpi count. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -594,6 +908,20 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_used_vpi_show: Return maximum vpi minus the available vpi. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the used vpi count in decimal or "Unknown". + * + * Description: + * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts. + * If lpfc_get_hba_info() returns zero (failure) the buffer text is set + * to "Unknown" and the buffer length is returned, therefore the caller + * must check for "Unknown" in the buffer to detect a failure. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -608,6 +936,19 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "Unknown\n"); } +/** + * lpfc_npiv_info_show: Return text about NPIV support for the adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: text that must be interpreted to determine if npiv is supported. + * + * Description: + * Buffer will contain text indicating npiv is not suppoerted on the port, + * the port is an NPIV physical port, or it is an npiv virtual port with + * the id of the vport. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -623,6 +964,17 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi); } +/** + * lpfc_poll_show: Return text about poll support for the adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the cfg_poll in hex. + * + * Notes: + * cfg_poll should be a lpfc_polling_flags type. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_poll_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -634,6 +986,20 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll); } +/** + * lpfc_poll_store: Set the value of cfg_poll for the adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: one or more lpfc_polling_flags values. + * @count: not used. + * + * Notes: + * buf contents converted to integer and checked for a valid value. + * + * Returns: + * -EINVAL if the buffer connot be converted or is out of range + * length of the buf on success + **/ static ssize_t lpfc_poll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -692,6 +1058,20 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr, return strlen(buf); } +/** + * lpfc_param_show: Return a cfg attribute value in decimal. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_show. + * + * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the attribute value in decimal. + * + * Returns: size of formatted string. + **/ #define lpfc_param_show(attr) \ static ssize_t \ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ @@ -706,6 +1086,20 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ phba->cfg_##attr);\ } +/** + * lpfc_param_hex_show: Return a cfg attribute value in hex. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_show + * + * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the attribute value in hexidecimal. + * + * Returns: size of formatted string. + **/ #define lpfc_param_hex_show(attr) \ static ssize_t \ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ @@ -720,6 +1114,25 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ phba->cfg_##attr);\ } +/** + * lpfc_param_init: Intializes a cfg attribute. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_init. The macro also + * takes a default argument, a minimum and maximum argument. + * + * lpfc_##attr##_init: Initializes an attribute. + * @phba: pointer the the adapter structure. + * @val: integer attribute value. + * + * Validates the min and max values then sets the adapter config field + * accordingly, or uses the default if out of range and prints an error message. + * + * Returns: + * zero on success + * -EINVAL if default used + **/ #define lpfc_param_init(attr, default, minval, maxval) \ static int \ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ @@ -735,6 +1148,26 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \ return -EINVAL;\ } +/** + * lpfc_param_set: Set a cfg attribute value. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_set + * + * lpfc_##attr##_set: Sets an attribute value. + * @phba: pointer the the adapter structure. + * @val: integer attribute value. + * + * Description: + * Validates the min and max values then sets the + * adapter config field if in the valid range. prints error message + * and does not set the parameter if invalid. + * + * Returns: + * zero on success + * -EINVAL if val is invalid + **/ #define lpfc_param_set(attr, default, minval, maxval) \ static int \ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ @@ -749,6 +1182,27 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \ return -EINVAL;\ } +/** + * lpfc_param_store: Set a vport attribute value. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_store. + * + * lpfc_##attr##_store: Set an sttribute value. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: contains the attribute value in ascii. + * @count: not used. + * + * Description: + * Convert the ascii text number to an integer, then + * use the lpfc_##attr##_set function to set the value. + * + * Returns: + * -EINVAL if val is invalid or lpfc_##attr##_set() fails + * length of buffer upon success. + **/ #define lpfc_param_store(attr) \ static ssize_t \ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ @@ -768,6 +1222,20 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ return -EINVAL;\ } +/** + * lpfc_vport_param_show: Return decimal formatted cfg attribute value. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_show + * + * lpfc_##attr##_show: prints the attribute value in decimal. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the attribute value in decimal. + * + * Returns: length of formatted string. + **/ #define lpfc_vport_param_show(attr) \ static ssize_t \ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ @@ -780,6 +1248,21 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\ } +/** + * lpfc_vport_param_hex_show: Return hex formatted attribute value. + * + * Description: + * Macro that given an attr e.g. + * hba_queue_depth expands into a function with the name + * lpfc_hba_queue_depth_show + * + * lpfc_##attr##_show: prints the attribute value in hexidecimal. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the attribute value in hexidecimal. + * + * Returns: length of formatted string. + **/ #define lpfc_vport_param_hex_show(attr) \ static ssize_t \ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ @@ -792,6 +1275,24 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \ return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\ } +/** + * lpfc_vport_param_init: Initialize a vport cfg attribute. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_init. The macro also + * takes a default argument, a minimum and maximum argument. + * + * lpfc_##attr##_init: validates the min and max values then sets the + * adapter config field accordingly, or uses the default if out of range + * and prints an error message. + * @phba: pointer the the adapter structure. + * @val: integer attribute value. + * + * Returns: + * zero on success + * -EINVAL if default used + **/ #define lpfc_vport_param_init(attr, default, minval, maxval) \ static int \ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ @@ -807,6 +1308,23 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ return -EINVAL;\ } +/** + * lpfc_vport_param_set: Set a vport cfg attribute. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth expands + * into a function with the name lpfc_hba_queue_depth_set + * + * lpfc_##attr##_set: validates the min and max values then sets the + * adapter config field if in the valid range. prints error message + * and does not set the parameter if invalid. + * @phba: pointer the the adapter structure. + * @val: integer attribute value. + * + * Returns: + * zero on success + * -EINVAL if val is invalid + **/ #define lpfc_vport_param_set(attr, default, minval, maxval) \ static int \ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ @@ -821,6 +1339,23 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ return -EINVAL;\ } +/** + * lpfc_vport_param_store: Set a vport attribute. + * + * Description: + * Macro that given an attr e.g. hba_queue_depth + * expands into a function with the name lpfc_hba_queue_depth_store + * + * lpfc_##attr##_store: convert the ascii text number to an integer, then + * use the lpfc_##attr##_set function to set the value. + * @cdev: class device that is converted into a Scsi_host. + * @buf: contains the attribute value in decimal. + * @count: not used. + * + * Returns: + * -EINVAL if val is invalid or lpfc_##attr##_set() fails + * length of buffer upon success. + **/ #define lpfc_vport_param_store(attr) \ static ssize_t \ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \ @@ -958,6 +1493,17 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; +/** + * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: containing the string lpfc_soft_wwn_key. + * @count: must be size of lpfc_soft_wwn_key. + * + * Returns: + * -EINVAL if the buffer does not contain lpfc_soft_wwn_key + * length of buf indicates success + **/ static ssize_t lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -994,6 +1540,14 @@ lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL, lpfc_soft_wwn_enable_store); +/** + * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the wwpn in hexidecimal. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -1006,7 +1560,19 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, (unsigned long long)phba->cfg_soft_wwpn); } - +/** + * lpfc_soft_wwpn_store: Set the ww port name of the adapter. + * @dev class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: contains the wwpn in hexidecimal. + * @count: number of wwpn bytes in buf + * + * Returns: + * -EACCES hba reset not enabled, adapter over temp + * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid + * -EIO error taking adapter offline or online + * value of count on success + **/ static ssize_t lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1080,6 +1646,14 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\ lpfc_soft_wwpn_show, lpfc_soft_wwpn_store); +/** + * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter. + * @dev: class device that is converted into a Scsi_host. + * @attr: device attribute, not used. + * @buf: on return contains the wwnn in hexidecimal. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -1090,7 +1664,16 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, (unsigned long long)phba->cfg_soft_wwnn); } - +/** + * lpfc_soft_wwnn_store: sets the ww node name of the adapter. + * @cdev: class device that is converted into a Scsi_host. + * @buf: contains the ww node name in hexidecimal. + * @count: number of wwnn bytes in buf. + * + * Returns: + * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid + * value of count on success + **/ static ssize_t lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1178,6 +1761,15 @@ module_param(lpfc_nodev_tmo, int, 0); MODULE_PARM_DESC(lpfc_nodev_tmo, "Seconds driver will hold I/O waiting " "for a device to come back"); + +/** + * lpfc_nodev_tmo_show: Return the hba dev loss timeout value. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the dev loss timeout in decimal. + * + * Returns: size of formatted string. + **/ static ssize_t lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -1189,6 +1781,21 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_devloss_tmo); } +/** + * lpfc_nodev_tmo_init: Set the hba nodev timeout value. + * @vport: lpfc vport structure pointer. + * @val: contains the nodev timeout value. + * + * Description: + * If the devloss tmo is already set then nodev tmo is set to devloss tmo, + * a kernel error message is printed and zero is returned. + * Else if val is in range then nodev tmo and devloss tmo are set to val. + * Otherwise nodev tmo is set to the default value. + * + * Returns: + * zero if already set or if val is in range + * -EINVAL val out of range + **/ static int lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) { @@ -1215,6 +1822,13 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) return -EINVAL; } +/** + * lpfc_update_rport_devloss_tmo: Update dev loss tmo value. + * @vport: lpfc vport structure pointer. + * + * Description: + * Update all the ndlp's dev loss tmo with the vport devloss tmo value. + **/ static void lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) { @@ -1229,6 +1843,21 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport) spin_unlock_irq(shost->host_lock); } +/** + * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values. + * @vport: lpfc vport structure pointer. + * @val: contains the tmo value. + * + * Description: + * If the devloss tmo is already set or the vport dev loss tmo has changed + * then a kernel error message is printed and zero is returned. + * Else if val is in range then nodev tmo and devloss tmo are set to val. + * Otherwise nodev tmo is set to the default value. + * + * Returns: + * zero if already set or if val is in range + * -EINVAL val out of range + **/ static int lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val) { @@ -1269,6 +1898,21 @@ MODULE_PARM_DESC(lpfc_devloss_tmo, lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO, LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO) lpfc_vport_param_show(devloss_tmo) + +/** + * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit. + * @vport: lpfc vport structure pointer. + * @val: contains the tmo value. + * + * Description: + * If val is in a valid range then set the vport nodev tmo, + * devloss tmo, also set the vport dev loss tmo changed flag. + * Else a kernel error message is printed. + * + * Returns: + * zero if val is in range + * -EINVAL val out of range + **/ static int lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val) { @@ -1366,6 +2010,21 @@ MODULE_PARM_DESC(lpfc_restrict_login, "Restrict virtual ports login to remote initiators."); lpfc_vport_param_show(restrict_login); +/** + * lpfc_restrict_login_init: Set the vport restrict login flag. + * @vport: lpfc vport structure pointer. + * @val: contains the restrict login value. + * + * Description: + * If val is not in a valid range then log a kernel error message and set + * the vport restrict login to one. + * If the port type is physical clear the restrict login flag and return. + * Else set the restrict login flag to val. + * + * Returns: + * zero if val is in range + * -EINVAL val out of range + **/ static int lpfc_restrict_login_init(struct lpfc_vport *vport, int val) { @@ -1385,6 +2044,22 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) return 0; } +/** + * lpfc_restrict_login_set: Set the vport restrict login flag. + * @vport: lpfc vport structure pointer. + * @val: contains the restrict login value. + * + * Description: + * If val is not in a valid range then log a kernel error message and set + * the vport restrict login to one. + * If the port type is physical and the val is not zero log a kernel + * error message, clear the restrict login flag and return zero. + * Else set the restrict login flag to val. + * + * Returns: + * zero if val is in range + * -EINVAL val out of range + **/ static int lpfc_restrict_login_set(struct lpfc_vport *vport, int val) { @@ -1441,6 +2116,23 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. # Default value is 0. */ + +/** + * lpfc_topology_set: Set the adapters topology field. + * @phba: lpfc_hba pointer. + * @val: topology value. + * + * Description: + * If val is in a valid range then set the adapter's topology field and + * issue a lip; if the lip fails reset the topology to the old value. + * + * If the value is not in range log a kernel error message and return an error. + * + * Returns: + * zero if val is in range and lip okay + * non-zero return value from lpfc_issue_lip() + * -EINVAL val out of range + **/ static int lpfc_topology_set(struct lpfc_hba *phba, int val) { @@ -1479,6 +2171,24 @@ static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, # 8 = 8 Gigabaud # Value range is [0,8]. Default value is 0. */ + +/** + * lpfc_link_speed_set: Set the adapters link speed. + * @phba: lpfc_hba pointer. + * @val: link speed value. + * + * Description: + * If val is in a valid range then set the adapter's link speed field and + * issue a lip; if the lip fails reset the link speed to the old value. + * + * Notes: + * If the value is not in range log a kernel error message and return an error. + * + * Returns: + * zero if val is in range and lip okay. + * non-zero return value from lpfc_issue_lip() + * -EINVAL val out of range + **/ static int lpfc_link_speed_set(struct lpfc_hba *phba, int val) { @@ -1513,6 +2223,23 @@ static int lpfc_link_speed = 0; module_param(lpfc_link_speed, int, 0); MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); lpfc_param_show(link_speed) + +/** + * lpfc_link_speed_init: Set the adapters link speed. + * @phba: lpfc_hba pointer. + * @val: link speed value. + * + * Description: + * If val is in a valid range then set the adapter's link speed field. + * + * Notes: + * If the value is not in range log a kernel error message, clear the link + * speed and return an error. + * + * Returns: + * zero if val saved. + * -EINVAL val out of range + **/ static int lpfc_link_speed_init(struct lpfc_hba *phba, int val) { @@ -1734,6 +2461,24 @@ struct device_attribute *lpfc_vport_attrs[] = { NULL, }; +/** + * sysfs_ctlreg_write: Write method for writing to ctlreg. + * @kobj: kernel kobject that contains the kernel class device. + * @bin_attr: kernel attributes passed to us. + * @buf: contains the data to be written to the adapter IOREG space. + * @off: offset into buffer to beginning of data. + * @count: bytes to transfer. + * + * Description: + * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. + * Uses the adapter io control registers to send buf contents to the adapter. + * + * Returns: + * -ERANGE off and count combo out of range + * -EINVAL off, count or buff address invalid + * -EPERM adapter is offline + * value of count, buf contents written + **/ static ssize_t sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) @@ -1766,6 +2511,23 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr, return count; } +/** + * sysfs_ctlreg_read: Read method for reading from ctlreg. + * @kobj: kernel kobject that contains the kernel class device. + * @bin_attr: kernel attributes passed to us. + * @buf: if succesful contains the data from the adapter IOREG space. + * @off: offset into buffer to beginning of data. + * @count: bytes to transfer. + * + * Description: + * Accessed via /sys/class/scsi_host/hostxxx/ctlreg. + * Uses the adapter io control registers to read data into buf. + * + * Returns: + * -ERANGE off and count combo out of range + * -EINVAL off, count or buff address invalid + * value of count, buf contents read + **/ static ssize_t sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) @@ -1810,7 +2572,10 @@ static struct bin_attribute sysfs_ctlreg_attr = { .write = sysfs_ctlreg_write, }; - +/** + * sysfs_mbox_idle: frees the sysfs mailbox. + * @phba: lpfc_hba pointer + **/ static void sysfs_mbox_idle(struct lpfc_hba *phba) { @@ -1824,6 +2589,27 @@ sysfs_mbox_idle(struct lpfc_hba *phba) } } +/** + * sysfs_mbox_write: Write method for writing information via mbox. + * @kobj: kernel kobject that contains the kernel class device. + * @bin_attr: kernel attributes passed to us. + * @buf: contains the data to be written to sysfs mbox. + * @off: offset into buffer to beginning of data. + * @count: bytes to transfer. + * + * Description: + * Accessed via /sys/class/scsi_host/hostxxx/mbox. + * Uses the sysfs mbox to send buf contents to the adapter. + * + * Returns: + * -ERANGE off and count combo out of range + * -EINVAL off, count or buff address invalid + * zero if count is zero + * -EPERM adapter is offline + * -ENOMEM failed to allocate memory for the mail box + * -EAGAIN offset, state or mbox is NULL + * count number of bytes transferred + **/ static ssize_t sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) @@ -1878,6 +2664,29 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr, return count; } +/** + * sysfs_mbox_read: Read method for reading information via mbox. + * @kobj: kernel kobject that contains the kernel class device. + * @bin_attr: kernel attributes passed to us. + * @buf: contains the data to be read from sysfs mbox. + * @off: offset into buffer to beginning of data. + * @count: bytes to transfer. + * + * Description: + * Accessed via /sys/class/scsi_host/hostxxx/mbox. + * Uses the sysfs mbox to receive data from to the adapter. + * + * Returns: + * -ERANGE off greater than mailbox command size + * -EINVAL off, count or buff address invalid + * zero if off and count are zero + * -EACCES adapter over temp + * -EPERM garbage can value to catch a multitude of errors + * -EAGAIN management IO not permitted, state or off error + * -ETIME mailbox timeout + * -ENODEV mailbox error + * count number of bytes transferred + **/ static ssize_t sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) @@ -2059,6 +2868,14 @@ static struct bin_attribute sysfs_mbox_attr = { .write = sysfs_mbox_write, }; +/** + * lpfc_alloc_sysfs_attr: Creates the sysfs, ctlreg, menlo and mbox entries. + * @vport: address of lpfc vport structure. + * + * Return codes: + * zero on success + * error return code from sysfs_create_bin_file() + **/ int lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) { @@ -2082,6 +2899,10 @@ out: return error; } +/** + * lpfc_free_sysfs_attr: Removes the sysfs, ctlreg, menlo and mbox entries. + * @vport: address of lpfc vport structure. + **/ void lpfc_free_sysfs_attr(struct lpfc_vport *vport) { @@ -2096,6 +2917,10 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport) * Dynamic FC Host Attributes Support */ +/** + * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id. + * @shost: kernel scsi host pointer. + **/ static void lpfc_get_host_port_id(struct Scsi_Host *shost) { @@ -2105,6 +2930,10 @@ lpfc_get_host_port_id(struct Scsi_Host *shost) fc_host_port_id(shost) = vport->fc_myDID; } +/** + * lpfc_get_host_port_type: Set the value of the scsi host port type. + * @shost: kernel scsi host pointer. + **/ static void lpfc_get_host_port_type(struct Scsi_Host *shost) { @@ -2133,6 +2962,10 @@ lpfc_get_host_port_type(struct Scsi_Host *shost) spin_unlock_irq(shost->host_lock); } +/** + * lpfc_get_host_port_state: Set the value of the scsi host port state. + * @shost: kernel scsi host pointer. + **/ static void lpfc_get_host_port_state(struct Scsi_Host *shost) { @@ -2167,6 +3000,10 @@ lpfc_get_host_port_state(struct Scsi_Host *shost) spin_unlock_irq(shost->host_lock); } +/** + * lpfc_get_host_speed: Set the value of the scsi host speed. + * @shost: kernel scsi host pointer. + **/ static void lpfc_get_host_speed(struct Scsi_Host *shost) { @@ -2199,6 +3036,10 @@ lpfc_get_host_speed(struct Scsi_Host *shost) spin_unlock_irq(shost->host_lock); } +/** + * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name. + * @shost: kernel scsi host pointer. + **/ static void lpfc_get_host_fabric_name (struct Scsi_Host *shost) { @@ -2221,6 +3062,18 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) fc_host_fabric_name(shost) = node_name; } +/** + * lpfc_get_stats: Return statistical information about the adapter. + * @shost: kernel scsi host pointer. + * + * Notes: + * NULL on error for link down, no mbox pool, sli2 active, + * management not allowed, memory allocation error, or mbox error. + * + * Returns: + * NULL for error + * address of the adapter host statistics + **/ static struct fc_host_statistics * lpfc_get_stats(struct Scsi_Host *shost) { @@ -2334,6 +3187,10 @@ lpfc_get_stats(struct Scsi_Host *shost) return hs; } +/** + * lpfc_reset_stats: Copy the adapter link stats information. + * @shost: kernel scsi host pointer. + **/ static void lpfc_reset_stats(struct Scsi_Host *shost) { @@ -2411,6 +3268,14 @@ lpfc_reset_stats(struct Scsi_Host *shost) * are no sysfs handlers for link_down_tmo. */ +/** + * lpfc_get_node_by_target: Return the nodelist for a target. + * @starget: kernel scsi target pointer. + * + * Returns: + * address of the node list if found + * NULL target not found + **/ static struct lpfc_nodelist * lpfc_get_node_by_target(struct scsi_target *starget) { @@ -2432,6 +3297,10 @@ lpfc_get_node_by_target(struct scsi_target *starget) return NULL; } +/** + * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1. + * @starget: kernel scsi target pointer. + **/ static void lpfc_get_starget_port_id(struct scsi_target *starget) { @@ -2440,6 +3309,12 @@ lpfc_get_starget_port_id(struct scsi_target *starget) fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1; } +/** + * lpfc_get_starget_node_name: Set the target node name. + * @starget: kernel scsi target pointer. + * + * Description: Set the target node name to the ndlp node name wwn or zero. + **/ static void lpfc_get_starget_node_name(struct scsi_target *starget) { @@ -2449,6 +3324,12 @@ lpfc_get_starget_node_name(struct scsi_target *starget) ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0; } +/** + * lpfc_get_starget_port_name: Set the target port name. + * @starget: kernel scsi target pointer. + * + * Description: set the target port name to the ndlp port name wwn or zero. + **/ static void lpfc_get_starget_port_name(struct scsi_target *starget) { @@ -2458,6 +3339,15 @@ lpfc_get_starget_port_name(struct scsi_target *starget) ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0; } +/** + * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo. + * @rport: fc rport address. + * @timeout: new value for dev loss tmo. + * + * Description: + * If timeout is non zero set the dev_loss_tmo to timeout, else set + * dev_loss_tmo to one. + **/ static void lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) { @@ -2467,7 +3357,18 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) rport->dev_loss_tmo = 1; } - +/** + * lpfc_rport_show_function: Return rport target information. + * + * Description: + * Macro that uses field to generate a function with the name lpfc_show_rport_ + * + * lpfc_show_rport_##field: returns the bytes formatted in buf + * @cdev: class converted to an fc_rport. + * @buf: on return contains the target_field or zero. + * + * Returns: size of formatted string. + **/ #define lpfc_rport_show_function(field, format_string, sz, cast) \ static ssize_t \ lpfc_show_rport_##field (struct device *dev, \ @@ -2602,6 +3503,10 @@ struct fc_function_template lpfc_vport_transport_functions = { .vport_disable = lpfc_vport_disable, }; +/** + * lpfc_get_cfgparam: Used during probe_one to init the adapter structure. + * @phba: lpfc_hba pointer. + **/ void lpfc_get_cfgparam(struct lpfc_hba *phba) { @@ -2637,6 +3542,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) return; } +/** + * lpfc_get_vport_cfgparam: Used during port create, init the vport structure. + * @vport: lpfc_vport pointer. + **/ void lpfc_get_vport_cfgparam(struct lpfc_vport *vport) { diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 094b47e94b29..2588eadffbb9 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2007 Emulex. All rights reserved. * + * Copyright (C) 2007-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -46,13 +46,14 @@ #include "lpfc_debugfs.h" #ifdef CONFIG_LPFC_DEBUG_FS -/* debugfs interface +/** + * debugfs interface * * To access this interface the user should: * # mkdir /debug * # mount -t debugfs none /debug * - * The lpfc debugfs directory hierachy is: + * The lpfc debugfs directory hierarchy is: * lpfc/lpfcX/vportY * where X is the lpfc hba unique_id * where Y is the vport VPI on that hba @@ -61,14 +62,21 @@ * discovery_trace * This is an ACSII readable file that contains a trace of the last * lpfc_debugfs_max_disc_trc events that happened on a specific vport. - * See lpfc_debugfs.h for different categories of - * discovery events. To enable the discovery trace, the following - * module parameters must be set: + * See lpfc_debugfs.h for different categories of discovery events. + * To enable the discovery trace, the following module parameters must be set: * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support * lpfc_debugfs_max_disc_trc=X Where X is the event trace depth for * EACH vport. X MUST also be a power of 2. * lpfc_debugfs_mask_disc_trc=Y Where Y is an event mask as defined in * lpfc_debugfs.h . + * + * slow_ring_trace + * This is an ACSII readable file that contains a trace of the last + * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA. + * To enable the slow ring trace, the following module parameters must be set: + * lpfc_debugfs_enable=1 Turns on lpfc debugfs filesystem support + * lpfc_debugfs_max_slow_ring_trc=X Where X is the event trace depth for + * the HBA. X MUST also be a power of 2. */ static int lpfc_debugfs_enable = 1; module_param(lpfc_debugfs_enable, int, 0); @@ -117,6 +125,25 @@ struct lpfc_debug { static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); static unsigned long lpfc_debugfs_start_time = 0L; +/** + * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer. + * @vport: The vport to gather the log info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine gathers the lpfc discovery debugfs data from the @vport and + * dumps it to @buf up to @size number of bytes. It will start at the next entry + * in the log and process the log until the end of the buffer. Then it will + * gather from the beginning of the log and process until the current entry. + * + * Notes: + * Discovery logging will be disabled while while this routine dumps the log. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) { @@ -125,7 +152,6 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) struct lpfc_debugfs_trc *dtp; char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE]; - enable = lpfc_debugfs_enable; lpfc_debugfs_enable = 0; @@ -159,6 +185,25 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) return len; } +/** + * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer. + * @phba: The HBA to gather the log info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine gathers the lpfc slow ring debugfs data from the @phba and + * dumps it to @buf up to @size number of bytes. It will start at the next entry + * in the log and process the log until the end of the buffer. Then it will + * gather from the beginning of the log and process until the current entry. + * + * Notes: + * Slow ring logging will be disabled while while this routine dumps the log. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) { @@ -203,6 +248,25 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) static int lpfc_debugfs_last_hbq = -1; +/** + * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer. + * @phba: The HBA to gather host buffer info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine dumps the host buffer queue info from the @phba to @buf up to + * @size number of bytes. A header that describes the current hbq state will be + * dumped to @buf first and then info on each hbq entry will be dumped to @buf + * until @size bytes have been dumped or all the hbq info has been dumped. + * + * Notes: + * This routine will rotate through each configured HBQ each time called. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) { @@ -303,6 +367,24 @@ skipit: static int lpfc_debugfs_last_hba_slim_off; +/** + * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer. + * @phba: The HBA to gather SLIM info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine dumps the current contents of HBA SLIM for the HBA associated + * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data. + * + * Notes: + * This routine will only dump up to 1024 bytes of data each time called and + * should be called multiple times to dump the entire HBA SLIM. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) { @@ -342,6 +424,21 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) return len; } +/** + * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer. + * @phba: The HBA to gather Host SLIM info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine dumps the current contents of host SLIM for the host associated + * with @phba to @buf up to @size bytes of data. The dump will contain the + * Mailbox, PCB, Rings, and Registers that are located in host memory. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) { @@ -430,6 +527,21 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) return len; } +/** + * lpfc_debugfs_nodelist_data - Dump target node list to a buffer. + * @vport: The vport to gather target node info from. + * @buf: The buffer to dump log into. + * @size: The maximum amount of data to process. + * + * Description: + * This routine dumps the current target node list associated with @vport to + * @buf up to @size bytes of data. Each node entry in the dump will contain a + * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into @buf and will + * not exceed @size. + **/ static int lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) { @@ -513,7 +625,22 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size) } #endif - +/** + * lpfc_debugfs_disc_trc - Store discovery trace log. + * @vport: The vport to associate this trace string with for retrieval. + * @mask: Log entry classification. + * @fmt: Format string to be displayed when dumping the log. + * @data1: 1st data parameter to be applied to @fmt. + * @data2: 2nd data parameter to be applied to @fmt. + * @data3: 3rd data parameter to be applied to @fmt. + * + * Description: + * This routine is used by the driver code to add a debugfs log entry to the + * discovery trace buffer associated with @vport. Only entries with a @mask that + * match the current debugfs discovery mask will be saved. Entries that do not + * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like + * printf when displaying the log. + **/ inline void lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, uint32_t data1, uint32_t data2, uint32_t data3) @@ -542,6 +669,19 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, return; } +/** + * lpfc_debugfs_slow_ring_trc - Store slow ring trace log. + * @phba: The phba to associate this trace string with for retrieval. + * @fmt: Format string to be displayed when dumping the log. + * @data1: 1st data parameter to be applied to @fmt. + * @data2: 2nd data parameter to be applied to @fmt. + * @data3: 3rd data parameter to be applied to @fmt. + * + * Description: + * This routine is used by the driver code to add a debugfs log entry to the + * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and + * @data3 are used like printf when displaying the log. + **/ inline void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, uint32_t data1, uint32_t data2, uint32_t data3) @@ -568,6 +708,21 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, } #ifdef CONFIG_LPFC_DEBUG_FS +/** + * lpfc_debugfs_disc_trc_open - Open the discovery trace log. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) { @@ -585,7 +740,7 @@ lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ size = (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); size = PAGE_ALIGN(size); @@ -603,6 +758,21 @@ out: return rc; } +/** + * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) { @@ -620,7 +790,7 @@ lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ size = (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE); size = PAGE_ALIGN(size); @@ -638,6 +808,21 @@ out: return rc; } +/** + * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) { @@ -649,7 +834,7 @@ lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); @@ -665,6 +850,21 @@ out: return rc; } +/** + * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) { @@ -676,7 +876,7 @@ lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); @@ -692,6 +892,21 @@ out: return rc; } +/** + * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) { @@ -703,7 +918,7 @@ lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); @@ -719,6 +934,21 @@ out: return rc; } +/** + * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file. + * @inode: The inode pointer that contains a vport pointer. + * @file: The file pointer to attach the log output. + * + * Description: + * This routine is the entry point for the debugfs open file operation. It gets + * the vport from the i_private field in @inode, allocates the necessary buffer + * for the log, fills the buffer from the in-memory log for this vport, and then + * returns a pointer to that log in the private_data field in @file. + * + * Returns: + * This function returns zero if successful. On error it will return an negative + * error value. + **/ static int lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) { @@ -730,7 +960,7 @@ lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file) if (!debug) goto out; - /* Round to page boundry */ + /* Round to page boundary */ debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); @@ -746,6 +976,23 @@ out: return rc; } +/** + * lpfc_debugfs_lseek - Seek through a debugfs file. + * @file: The file pointer to seek through. + * @off: The offset to seek to or the amount to seek by. + * @whence: Indicates how to seek. + * + * Description: + * This routine is the entry point for the debugfs lseek file operation. The + * @whence parameter indicates whether @off is the offset to directly seek to, + * or if it is a value to seek forward or reverse by. This function figures out + * what the new offset of the debugfs file will be and assigns that value to the + * f_pos field of @file. + * + * Returns: + * This function returns the new offset if successful and returns a negative + * error if unable to process the seek. + **/ static loff_t lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) { @@ -767,6 +1014,22 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence) return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos); } +/** + * lpfc_debugfs_read - Read a debugfs file. + * @file: The file pointer to read from. + * @buf: The buffer to copy the data to. + * @nbytes: The number of bytes to read. + * @ppos: The position in the file to start reading from. + * + * Description: + * This routine reads data from from the buffer indicated in the private_data + * field of @file. It will start reading at @ppos and copy up to @nbytes of + * data to @buf. + * + * Returns: + * This function returns the amount of data that was read (this could be less + * than @nbytes if the end of the file was reached) or a negative error value. + **/ static ssize_t lpfc_debugfs_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) @@ -776,6 +1039,18 @@ lpfc_debugfs_read(struct file *file, char __user *buf, debug->len); } +/** + * lpfc_debugfs_release - Release the buffer used to store debugfs file data. + * @inode: The inode pointer that contains a vport pointer. (unused) + * @file: The file pointer that contains the buffer to release. + * + * Description: + * This routine frees the buffer that was allocated when the debugfs file was + * opened. + * + * Returns: + * This function returns zero. + **/ static int lpfc_debugfs_release(struct inode *inode, struct file *file) { @@ -845,6 +1120,16 @@ static struct dentry *lpfc_debugfs_root = NULL; static atomic_t lpfc_debugfs_hba_count; #endif +/** + * lpfc_debugfs_initialize - Initialize debugfs for a vport. + * @vport: The vport pointer to initialize. + * + * Description: + * When Debugfs is configured this routine sets up the lpfc debugfs file system. + * If not already created, this routine will create the lpfc directory, and + * lpfcX directory (for this HBA), and vportX directory for this vport. It will + * also create each file used to access lpfc specific debugfs information. + **/ inline void lpfc_debugfs_initialize(struct lpfc_vport *vport) { @@ -1033,7 +1318,17 @@ debug_failed: #endif } - +/** + * lpfc_debugfs_terminate - Tear down debugfs infrastructure for this vport. + * @vport: The vport pointer to remove from debugfs. + * + * Description: + * When Debugfs is configured this routine removes debugfs file system elements + * that are specific to this vport. It also checks to see if there are any + * users left for the debugfs directories associated with the HBA and driver. If + * this is the last user of the HBA directory or driver directory then it will + * remove those from the debugfs infrastructure as well. + **/ inline void lpfc_debugfs_terminate(struct lpfc_vport *vport) { @@ -1096,5 +1391,3 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) #endif return; } - - diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index f54e0f7eaee3..43049b9d64c9 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -53,6 +53,28 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba, static int lpfc_max_els_tries = 3; +/** + * lpfc_els_chk_latt: Check host link attention event for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine checks whether there is an outstanding host link + * attention event during the discovery process with the @vport. It is done + * by reading the HBA's Host Attention (HA) register. If there is any host + * link attention events during this @vport's discovery process, the @vport + * shall be marked as FC_ABORT_DISCOVERY, a host link attention clear shall + * be issued if the link state is not already in host link cleared state, + * and a return code shall indicate whether the host link attention event + * had happened. + * + * Note that, if either the host link is in state LPFC_LINK_DOWN or @vport + * state in LPFC_VPORT_READY, the request for checking host link attention + * event will be ignored and a return code shall indicate no host link + * attention event had happened. + * + * Return codes + * 0 - no host link attention event happened + * 1 - host link attention event happened + **/ int lpfc_els_chk_latt(struct lpfc_vport *vport) { @@ -92,6 +114,34 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) return 1; } +/** + * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure. + * @vport: pointer to a host virtual N_Port data structure. + * @expectRsp: flag indicating whether response is expected. + * @cmdSize: size of the ELS command. + * @retry: number of retries to the command IOCB when it fails. + * @ndlp: pointer to a node-list data structure. + * @did: destination identifier. + * @elscmd: the ELS command code. + * + * This routine is used for allocating a lpfc-IOCB data structure from + * the driver lpfc-IOCB free-list and prepare the IOCB with the parameters + * passed into the routine for discovery state machine to issue an Extended + * Link Service (ELS) commands. It is a generic lpfc-IOCB allocation + * and preparation routine that is used by all the discovery state machine + * routines and the ELS command-specific fields will be later set up by + * the individual discovery machine routines after calling this routine + * allocating and preparing a generic IOCB data structure. It fills in the + * Buffer Descriptor Entries (BDEs), allocates buffers for both command + * payload and response payload (if expected). The reference count on the + * ndlp is incremented by 1 and the reference to the ndlp is put into + * context1 of the IOCB data structure for this IOCB to hold the ndlp + * reference for the command's callback function to access later. + * + * Return code + * Pointer to the newly allocated/prepared els iocb data structure + * NULL - when els iocb data structure allocation/preparation failed + **/ static struct lpfc_iocbq * lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, uint16_t cmdSize, uint8_t retry, @@ -233,6 +283,22 @@ els_iocb_free_pcmb_exit: return NULL; } +/** + * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine issues a fabric registration login for a @vport. An + * active ndlp node with Fabric_DID must already exist for this @vport. + * The routine invokes two mailbox commands to carry out fabric registration + * login through the HBA firmware: the first mailbox command requests the + * HBA to perform link configuration for the @vport; and the second mailbox + * command requests the HBA to perform the actual fabric registration login + * with the @vport. + * + * Return code + * 0 - successfully issued fabric registration login for @vport + * -ENXIO -- failed to issue fabric registration login for @vport + **/ static int lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) { @@ -313,6 +379,26 @@ fail: return -ENXIO; } +/** + * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port. + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @sp: pointer to service parameter data structure. + * @irsp: pointer to the IOCB within the lpfc response IOCB. + * + * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback + * function to handle the completion of a Fabric Login (FLOGI) into a fabric + * port in a fabric topology. It properly sets up the parameters to the @ndlp + * from the IOCB response. It also check the newly assigned N_Port ID to the + * @vport against the previously assigned N_Port ID. If it is different from + * the previously assigned Destination ID (DID), the lpfc_unreg_rpi() routine + * is invoked on all the remaining nodes with the @vport to unregister the + * Remote Port Indicators (RPIs). Finally, the lpfc_issue_fabric_reglogin() + * is invoked to register login to the fabric. + * + * Return code + * 0 - Success (currently, always return 0) + **/ static int lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct serv_parm *sp, IOCB_t *irsp) @@ -416,9 +502,26 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } -/* - * We FLOGIed into an NPort, initiate pt2pt protocol - */ +/** + * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port. + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @sp: pointer to service parameter data structure. + * + * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback + * function to handle the completion of a Fabric Login (FLOGI) into an N_Port + * in a point-to-point topology. First, the @vport's N_Port Name is compared + * with the received N_Port Name: if the @vport's N_Port Name is greater than + * the received N_Port Name lexicographically, this node shall assign local + * N_Port ID (PT2PT_LocalID: 1) and remote N_Port ID (PT2PT_RemoteID: 2) and + * will send out Port Login (PLOGI) with the N_Port IDs assigned. Otherwise, + * this node shall just wait for the remote node to issue PLOGI and assign + * N_Port IDs. + * + * Return code + * 0 - Success + * -ENXIO - Fail + **/ static int lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct serv_parm *sp) @@ -516,6 +619,29 @@ fail: return -ENXIO; } +/** + * lpfc_cmpl_els_flogi: Completion callback function for flogi. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the top-level completion callback function for issuing + * a Fabric Login (FLOGI) command. If the response IOCB reported error, + * the lpfc_els_retry() routine shall be invoked to retry the FLOGI. If + * retry has been made (either immediately or delayed with lpfc_els_retry() + * returning 1), the command IOCB will be released and function returned. + * If the retry attempt has been given up (possibly reach the maximum + * number of retries), one additional decrement of ndlp reference shall be + * invoked before going out after releasing the command IOCB. This will + * actually release the remote node (Note, lpfc_els_free_iocb() will also + * invoke one decrement of ndlp reference count). If no error reported in + * the IOCB status, the command Port ID field is used to determine whether + * this is a point-to-point topology or a fabric topology: if the Port ID + * field is assigned, it is a fabric topology; otherwise, it is a + * point-to-point topology. The routine lpfc_cmpl_els_flogi_fabric() or + * lpfc_cmpl_els_flogi_nport() shall be invoked accordingly to handle the + * specific topology completion conditions. + **/ static void lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -618,6 +744,28 @@ out: lpfc_els_free_iocb(phba, cmdiocb); } +/** + * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @retry: number of retries to the command IOCB. + * + * This routine issues a Fabric Login (FLOGI) Request ELS command + * for a @vport. The initiator service parameters are put into the payload + * of the FLOGI Request IOCB and the top-level callback function pointer + * to lpfc_cmpl_els_flogi() routine is put to the IOCB completion callback + * function field. The lpfc_issue_fabric_iocb routine is invoked to send + * out FLOGI ELS command with one outstanding fabric IOCB at a time. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the FLOGI ELS command. + * + * Return code + * 0 - successfully issued flogi iocb for @vport + * 1 - failed to issue flogi iocb for @vport + **/ static int lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) @@ -694,6 +842,20 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs. + * @phba: pointer to lpfc hba data structure. + * + * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs + * with a @phba. This routine walks all the outstanding IOCBs on the txcmplq + * list and issues an abort IOCB commond on each outstanding IOCB that + * contains a active Fabric_DID ndlp. Note that this function is to issue + * the abort IOCB command on all the outstanding IOCBs, thus when this + * function returns, it does not guarantee all the IOCBs are actually aborted. + * + * Return code + * 0 - Sucessfully issued abort iocb on all outstanding flogis (Always 0) + **/ int lpfc_els_abort_flogi(struct lpfc_hba *phba) { @@ -729,6 +891,22 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) return 0; } +/** + * lpfc_initial_flogi: Issue an initial fabric login for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine issues an initial Fabric Login (FLOGI) for the @vport + * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from + * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and + * put it into the @vport's ndlp list. If an inactive ndlp found on the list, + * it will just be enabled and made active. The lpfc_issue_els_flogi() routine + * is then invoked with the @vport and the ndlp to perform the FLOGI for the + * @vport. + * + * Return code + * 0 - failed to issue initial flogi for @vport + * 1 - successfully issued initial flogi for @vport + **/ int lpfc_initial_flogi(struct lpfc_vport *vport) { @@ -764,6 +942,22 @@ lpfc_initial_flogi(struct lpfc_vport *vport) return 1; } +/** + * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine issues an initial Fabric Discover (FDISC) for the @vport + * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from + * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and + * put it into the @vport's ndlp list. If an inactive ndlp found on the list, + * it will just be enabled and made active. The lpfc_issue_els_fdisc() routine + * is then invoked with the @vport and the ndlp to perform the FDISC for the + * @vport. + * + * Return code + * 0 - failed to issue initial fdisc for @vport + * 1 - successfully issued initial fdisc for @vport + **/ int lpfc_initial_fdisc(struct lpfc_vport *vport) { @@ -797,6 +991,17 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) return 1; } +/** + * lpfc_more_plogi: Check and issue remaining plogis for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine checks whether there are more remaining Port Logins + * (PLOGI) to be issued for the @vport. If so, it will invoke the routine + * lpfc_els_disc_plogi() to go through the Node Port Recovery (NPR) nodes + * to issue ELS PLOGIs up to the configured discover threads with the + * @vport (@vport->cfg_discovery_threads). The function also decrement + * the @vport's num_disc_node by 1 if it is not already 0. + **/ void lpfc_more_plogi(struct lpfc_vport *vport) { @@ -819,6 +1024,37 @@ lpfc_more_plogi(struct lpfc_vport *vport) return; } +/** + * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp. + * @phba: pointer to lpfc hba data structure. + * @prsp: pointer to response IOCB payload. + * @ndlp: pointer to a node-list data structure. + * + * This routine checks and indicates whether the WWPN of an N_Port, retrieved + * from a PLOGI, matches the WWPN that is stored in the @ndlp for that N_POrt. + * The following cases are considered N_Port confirmed: + * 1) The N_Port is a Fabric ndlp; 2) The @ndlp is on vport list and matches + * the WWPN of the N_Port logged into; 3) The @ndlp is not on vport list but + * it does not have WWPN assigned either. If the WWPN is confirmed, the + * pointer to the @ndlp will be returned. If the WWPN is not confirmed: + * 1) if there is a node on vport list other than the @ndlp with the same + * WWPN of the N_Port PLOGI logged into, the lpfc_unreg_rpi() will be invoked + * on that node to release the RPI associated with the node; 2) if there is + * no node found on vport list with the same WWPN of the N_Port PLOGI logged + * into, a new node shall be allocated (or activated). In either case, the + * parameters of the @ndlp shall be copied to the new_ndlp, the @ndlp shall + * be released and the new_ndlp shall be put on to the vport node list and + * its pointer returned as the confirmed node. + * + * Note that before the @ndlp got "released", the keepDID from not-matching + * or inactive "new_ndlp" on the vport node list is assigned to the nlp_DID + * of the @ndlp. This is because the release of @ndlp is actually to put it + * into an inactive state on the vport node list and the vport node list + * management algorithm does not allow two node with a same DID. + * + * Return code + * pointer to the PLOGI N_Port @ndlp + **/ static struct lpfc_nodelist * lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, struct lpfc_nodelist *ndlp) @@ -922,6 +1158,17 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, return new_ndlp; } +/** + * lpfc_end_rscn: Check and handle more rscn for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine checks whether more Registration State Change + * Notifications (RSCNs) came in while the discovery state machine was in + * the FC_RSCN_MODE. If so, the lpfc_els_handle_rscn() routine will be + * invoked to handle the additional RSCNs for the @vport. Otherwise, the + * FC_RSCN_MODE bit will be cleared with the @vport to mark as the end of + * handling the RSCNs. + **/ void lpfc_end_rscn(struct lpfc_vport *vport) { @@ -943,6 +1190,26 @@ lpfc_end_rscn(struct lpfc_vport *vport) } } +/** + * lpfc_cmpl_els_plogi: Completion callback function for plogi. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function for issuing the Port + * Login (PLOGI) command. For PLOGI completion, there must be an active + * ndlp on the vport node list that matches the remote node ID from the + * PLOGI reponse IOCB. If such ndlp does not exist, the PLOGI is simply + * ignored and command IOCB released. The PLOGI response IOCB status is + * checked for error conditons. If there is error status reported, PLOGI + * retry shall be attempted by invoking the lpfc_els_retry() routine. + * Otherwise, the lpfc_plogi_confirm_nport() routine shall be invoked on + * the ndlp and the NLP_EVT_CMPL_PLOGI state to the Discover State Machine + * (DSM) is set for this PLOGI completion. Finally, it checks whether + * there are additional N_Port nodes with the vport that need to perform + * PLOGI. If so, the lpfc_more_plogi() routine is invoked to issue addition + * PLOGIs. + **/ static void lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -1048,6 +1315,27 @@ out: return; } +/** + * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * @did: destination port identifier. + * @retry: number of retries to the command IOCB. + * + * This routine issues a Port Login (PLOGI) command to a remote N_Port + * (with the @did) for a @vport. Before issuing a PLOGI to a remote N_Port, + * the ndlp with the remote N_Port DID must exist on the @vport's ndlp list. + * This routine constructs the proper feilds of the PLOGI IOCB and invokes + * the lpfc_sli_issue_iocb() routine to send out PLOGI ELS command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the PLOGI ELS command. + * + * Return code + * 0 - Successfully issued a plogi for @vport + * 1 - failed to issue a plogi for @vport + **/ int lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) { @@ -1106,6 +1394,19 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) return 0; } +/** + * lpfc_cmpl_els_prli: Completion callback function for prli. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function for a Process Login + * (PRLI) ELS command. The PRLI response IOCB status is checked for error + * status. If there is error status reported, PRLI retry shall be attempted + * by invoking the lpfc_els_retry() routine. Otherwise, the state + * NLP_EVT_CMPL_PRLI is sent to the Discover State Machine (DSM) for this + * ndlp to mark the PRLI completion. + **/ static void lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -1164,6 +1465,27 @@ out: return; } +/** + * lpfc_issue_els_prli: Issue a prli iocb command for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @retry: number of retries to the command IOCB. + * + * This routine issues a Process Login (PRLI) ELS command for the + * @vport. The PRLI service parameters are set up in the payload of the + * PRLI Request command and the pointer to lpfc_cmpl_els_prli() routine + * is put to the IOCB completion callback func field before invoking the + * routine lpfc_sli_issue_iocb() to send out PRLI command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the PRLI ELS command. + * + * Return code + * 0 - successfully issued prli iocb command for @vport + * 1 - failed to issue prli iocb command for @vport + **/ int lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) @@ -1233,6 +1555,15 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_more_adisc: Issue more adisc as needed. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine determines whether there are more ndlps on a @vport + * node list need to have Address Discover (ADISC) issued. If so, it will + * invoke the lpfc_els_disc_adisc() routine to issue ADISC on the @vport's + * remaining nodes which need to have ADISC sent. + **/ void lpfc_more_adisc(struct lpfc_vport *vport) { @@ -1255,6 +1586,18 @@ lpfc_more_adisc(struct lpfc_vport *vport) return; } +/** + * lpfc_rscn_disc: Perform rscn discovery for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine performs Registration State Change Notification (RSCN) + * discovery for a @vport. If the @vport's node port recovery count is not + * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all + * the nodes that need recovery. If none of the PLOGI were needed through + * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be + * invoked to check and handle possible more RSCN came in during the period + * of processing the current ones. + **/ static void lpfc_rscn_disc(struct lpfc_vport *vport) { @@ -1269,6 +1612,22 @@ lpfc_rscn_disc(struct lpfc_vport *vport) lpfc_end_rscn(vport); } +/** + * lpfc_cmpl_els_adisc: Completion callback function for adisc. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion function for issuing the Address Discover + * (ADISC) command. It first checks to see whether link went down during + * the discovery process. If so, the node will be marked as node port + * recovery for issuing discover IOCB by the link attention handler and + * exit. Otherwise, the response status is checked. If error was reported + * in the response status, the ADISC command shall be retried by invoking + * the lpfc_els_retry() routine. Otherwise, if no error was reported in + * the response status, the state machine is invoked to set transition + * with respect to NLP_EVT_CMPL_ADISC event. + **/ static void lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -1384,6 +1743,26 @@ out: return; } +/** + * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport. + * @vport: pointer to a virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @retry: number of retries to the command IOCB. + * + * This routine issues an Address Discover (ADISC) for an @ndlp on a + * @vport. It prepares the payload of the ADISC ELS command, updates the + * and states of the ndlp, and invokes the lpfc_sli_issue_iocb() routine + * to issue the ADISC ELS command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the ADISC ELS command. + * + * Return code + * 0 - successfully issued adisc + * 1 - failed to issue adisc + **/ int lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) @@ -1437,6 +1816,18 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_cmpl_els_logo: Completion callback function for logo. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion function for issuing the ELS Logout (LOGO) + * command. If no error status was reported from the LOGO response, the + * state machine of the associated ndlp shall be invoked for transition with + * respect to NLP_EVT_CMPL_LOGO event. Otherwise, if error status was reported, + * the lpfc_els_retry() routine will be invoked to retry the LOGO command. + **/ static void lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -1502,6 +1893,26 @@ out: return; } +/** + * lpfc_issue_els_logo: Issue a logo to an node on a vport. + * @vport: pointer to a virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @retry: number of retries to the command IOCB. + * + * This routine constructs and issues an ELS Logout (LOGO) iocb command + * to a remote node, referred by an @ndlp on a @vport. It constructs the + * payload of the IOCB, properly sets up the @ndlp state, and invokes the + * lpfc_sli_issue_iocb() routine to send out the LOGO ELS command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the LOGO ELS command. + * + * Return code + * 0 - successfully issued logo + * 1 - failed to issue logo + **/ int lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) @@ -1563,6 +1974,22 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_cmpl_els_cmd: Completion callback function for generic els command. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is a generic completion callback function for ELS commands. + * Specifically, it is the callback function which does not need to perform + * any command specific operations. It is currently used by the ELS command + * issuing routines for the ELS State Change Request (SCR), + * lpfc_issue_els_scr(), and the ELS Fibre Channel Address Resolution + * Protocol Response (FARPR) routine, lpfc_issue_els_farpr(). Other than + * certain debug loggings, this callback function simply invokes the + * lpfc_els_chk_latt() routine to check whether link went down during the + * discovery process. + **/ static void lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -1587,6 +2014,28 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return; } +/** + * lpfc_issue_els_scr: Issue a scr to an node on a vport. + * @vport: pointer to a host virtual N_Port data structure. + * @nportid: N_Port identifier to the remote node. + * @retry: number of retries to the command IOCB. + * + * This routine issues a State Change Request (SCR) to a fabric node + * on a @vport. The remote node @nportid is passed into the function. It + * first search the @vport node list to find the matching ndlp. If no such + * ndlp is found, a new ndlp shall be created for this (SCR) purpose. An + * IOCB is allocated, payload prepared, and the lpfc_sli_issue_iocb() + * routine is invoked to send the SCR IOCB. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the SCR ELS command. + * + * Return code + * 0 - Successfully issued scr command + * 1 - Failed to issue scr command + **/ int lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) { @@ -1659,6 +2108,28 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) return 0; } +/** + * lpfc_issue_els_farpr: Issue a farp to an node on a vport. + * @vport: pointer to a host virtual N_Port data structure. + * @nportid: N_Port identifier to the remote node. + * @retry: number of retries to the command IOCB. + * + * This routine issues a Fibre Channel Address Resolution Response + * (FARPR) to a node on a vport. The remote node N_Port identifier (@nportid) + * is passed into the function. It first search the @vport node list to find + * the matching ndlp. If no such ndlp is found, a new ndlp shall be created + * for this (FARPR) purpose. An IOCB is allocated, payload prepared, and the + * lpfc_sli_issue_iocb() routine is invoked to send the FARPR ELS command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the PARPR ELS command. + * + * Return code + * 0 - Successfully issued farpr command + * 1 - Failed to issue farpr command + **/ static int lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) { @@ -1748,6 +2219,18 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) return 0; } +/** + * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry. + * @vport: pointer to a host virtual N_Port data structure. + * @nlp: pointer to a node-list data structure. + * + * This routine cancels the timer with a delayed IOCB-command retry for + * a @vport's @ndlp. It stops the timer for the delayed function retrial and + * removes the ELS retry event if it presents. In addition, if the + * NLP_NPR_2B_DISC bit is set in the @nlp's nlp_flag bitmap, ADISC IOCB + * commands are sent for the @vport's nodes that require issuing discovery + * ADISC. + **/ void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) { @@ -1794,6 +2277,20 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) return; } +/** + * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer. + * @ptr: holder for the pointer to the timer function associated data (ndlp). + * + * This routine is invoked by the ndlp delayed-function timer to check + * whether there is any pending ELS retry event(s) with the node. If not, it + * simply returns. Otherwise, if there is at least one ELS delayed event, it + * adds the delayed events to the HBA work list and invokes the + * lpfc_worker_wake_up() routine to wake up worker thread to process the + * event. Note that lpfc_nlp_get() is called before posting the event to + * the work list to hold reference count of ndlp so that it guarantees the + * reference to ndlp will still be available when the worker thread gets + * to the event associated with the ndlp. + **/ void lpfc_els_retry_delay(unsigned long ptr) { @@ -1822,6 +2319,15 @@ lpfc_els_retry_delay(unsigned long ptr) return; } +/** + * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function. + * @ndlp: pointer to a node-list data structure. + * + * This routine is the worker-thread handler for processing the @ndlp delayed + * event(s), posted by the lpfc_els_retry_delay() routine. It simply retrieves + * the last ELS command from the associated ndlp and invokes the proper ELS + * function according to the delayed ELS command to retry the command. + **/ void lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) { @@ -1884,6 +2390,27 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) return; } +/** + * lpfc_els_retry: Make retry decision on an els command iocb. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine makes a retry decision on an ELS command IOCB, which has + * failed. The following ELS IOCBs use this function for retrying the command + * when previously issued command responsed with error status: FLOGI, PLOGI, + * PRLI, ADISC, LOGO, and FDISC. Based on the ELS command type and the + * returned error status, it makes the decision whether a retry shall be + * issued for the command, and whether a retry shall be made immediately or + * delayed. In the former case, the corresponding ELS command issuing-function + * is called to retry the command. In the later case, the ELS command shall + * be posted to the ndlp delayed event and delayed function timer set to the + * ndlp for the delayed command issusing. + * + * Return code + * 0 - No retry of els command is made + * 1 - Immediate or delayed retry of els command is made + **/ static int lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -2182,12 +2709,26 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb. + * @phba: pointer to lpfc hba data structure. + * @buf_ptr1: pointer to the lpfc DMA buffer data structure. + * + * This routine releases the lpfc DMA (Direct Memory Access) buffer(s) + * associated with a command IOCB back to the lpfc DMA buffer pool. It first + * checks to see whether there is a lpfc DMA buffer associated with the + * response of the command IOCB. If so, it will be released before releasing + * the lpfc DMA buffer associated with the IOCB itself. + * + * Return code + * 0 - Successfully released lpfc DMA buffer (currently, always return 0) + **/ static int lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) { struct lpfc_dmabuf *buf_ptr; - /* Free the response before processing the command. */ + /* Free the response before processing the command. */ if (!list_empty(&buf_ptr1->list)) { list_remove_head(&buf_ptr1->list, buf_ptr, struct lpfc_dmabuf, @@ -2200,6 +2741,18 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) return 0; } +/** + * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl. + * @phba: pointer to lpfc hba data structure. + * @buf_ptr: pointer to the lpfc dma buffer data structure. + * + * This routine releases the lpfc Direct Memory Access (DMA) buffer + * associated with a Buffer Pointer List (BPL) back to the lpfc DMA buffer + * pool. + * + * Return code + * 0 - Successfully released lpfc DMA buffer (currently, always return 0) + **/ static int lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) { @@ -2208,6 +2761,33 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) return 0; } +/** + * lpfc_els_free_iocb: Free a command iocb and its associated resources. + * @phba: pointer to lpfc hba data structure. + * @elsiocb: pointer to lpfc els command iocb data structure. + * + * This routine frees a command IOCB and its associated resources. The + * command IOCB data structure contains the reference to various associated + * resources, these fields must be set to NULL if the associated reference + * not present: + * context1 - reference to ndlp + * context2 - reference to cmd + * context2->next - reference to rsp + * context3 - reference to bpl + * + * It first properly decrements the reference count held on ndlp for the + * IOCB completion callback function. If LPFC_DELAY_MEM_FREE flag is not + * set, it invokes the lpfc_els_free_data() routine to release the Direct + * Memory Access (DMA) buffers associated with the IOCB. Otherwise, it + * adds the DMA buffer the @phba data structure for the delayed release. + * If reference to the Buffer Pointer List (BPL) is present, the + * lpfc_els_free_bpl() routine is invoked to release the DMA memory + * associated with BPL. Finally, the lpfc_sli_release_iocbq() routine is + * invoked to release the IOCB data structure back to @phba IOCBQ list. + * + * Return code + * 0 - Success (currently, always return 0) + **/ int lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) { @@ -2274,6 +2854,23 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) return 0; } +/** + * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function to the Logout (LOGO) + * Accept (ACC) Response ELS command. This routine is invoked to indicate + * the completion of the LOGO process. It invokes the lpfc_nlp_not_used() to + * release the ndlp if it has the last reference remaining (reference count + * is 1). If succeeded (meaning ndlp released), it sets the IOCB context1 + * field to NULL to inform the following lpfc_els_free_iocb() routine no + * ndlp reference count needs to be decremented. Otherwise, the ndlp + * reference use-count shall be decremented by the lpfc_els_free_iocb() + * routine. Finally, the lpfc_els_free_iocb() is invoked to release the + * IOCB data structure. + **/ static void lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -2311,6 +2908,19 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return; } +/** + * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * This routine is the completion callback function for unregister default + * RPI (Remote Port Index) mailbox command to the @phba. It simply releases + * the associated lpfc Direct Memory Access (DMA) buffer back to the pool and + * decrements the ndlp reference count held for this completion callback + * function. After that, it invokes the lpfc_nlp_not_used() to check + * whether there is only one reference left on the ndlp. If so, it will + * perform one more decrement and trigger the release of the ndlp. + **/ void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { @@ -2332,6 +2942,22 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } +/** + * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function for ELS Response IOCB + * command. In normal case, this callback function just properly sets the + * nlp_flag bitmap in the ndlp data structure, if the mbox command reference + * field in the command IOCB is not NULL, the referred mailbox command will + * be send out, and then invokes the lpfc_els_free_iocb() routine to release + * the IOCB. Under error conditions, such as when a LS_RJT is returned or a + * link down event occurred during the discovery, the lpfc_nlp_not_used() + * routine shall be invoked trying to release the ndlp if no other threads + * are currently referring it. + **/ static void lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -2487,6 +3113,31 @@ out: return; } +/** + * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command. + * @vport: pointer to a host virtual N_Port data structure. + * @flag: the els command code to be accepted. + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * @mbox: pointer to the driver internal queue element for mailbox command. + * + * This routine prepares and issues an Accept (ACC) response IOCB + * command. It uses the @flag to properly set up the IOCB field for the + * specific ACC response command to be issued and invokes the + * lpfc_sli_issue_iocb() routine to send out ACC response IOCB. If a + * @mbox pointer is passed in, it will be put into the context_un.mbox + * field of the IOCB for the completion callback function to issue the + * mailbox command to the HBA later when callback is invoked. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the corresponding response ELS IOCB command. + * + * Return code + * 0 - Successfully issued acc response + * 1 - Failed to issue acc response + **/ int lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, @@ -2601,6 +3252,28 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, return 0; } +/** + * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command. + * @vport: pointer to a virtual N_Port data structure. + * @rejectError: + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * @mbox: pointer to the driver internal queue element for mailbox command. + * + * This routine prepares and issue an Reject (RJT) response IOCB + * command. If a @mbox pointer is passed in, it will be put into the + * context_un.mbox field of the IOCB for the completion callback function + * to issue to the HBA later. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the reject response ELS IOCB command. + * + * Return code + * 0 - Successfully issued reject response + * 1 - Failed to issue reject response + **/ int lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, @@ -2660,6 +3333,25 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, return 0; } +/** + * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd. + * @vport: pointer to a virtual N_Port data structure. + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine prepares and issues an Accept (ACC) response to Address + * Discover (ADISC) ELS command. It simply prepares the payload of the IOCB + * and invokes the lpfc_sli_issue_iocb() routine to send out the command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the ADISC Accept response ELS IOCB command. + * + * Return code + * 0 - Successfully issued acc adisc response + * 1 - Failed to issue adisc acc response + **/ int lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) @@ -2716,6 +3408,25 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, return 0; } +/** + * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd. + * @vport: pointer to a virtual N_Port data structure. + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine prepares and issues an Accept (ACC) response to Process + * Login (PRLI) ELS command. It simply prepares the payload of the IOCB + * and invokes the lpfc_sli_issue_iocb() routine to send out the command. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the PRLI Accept response ELS IOCB command. + * + * Return code + * 0 - Successfully issued acc prli response + * 1 - Failed to issue acc prli response + **/ int lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) @@ -2795,6 +3506,32 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, return 0; } +/** + * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command. + * @vport: pointer to a virtual N_Port data structure. + * @format: rnid command format. + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine issues a Request Node Identification Data (RNID) Accept + * (ACC) response. It constructs the RNID ACC response command according to + * the proper @format and then calls the lpfc_sli_issue_iocb() routine to + * issue the response. Note that this command does not need to hold the ndlp + * reference count for the callback. So, the ndlp reference count taken by + * the lpfc_prep_els_iocb() routine is put back and the context1 field of + * IOCB is set to NULL to indicate to the lpfc_els_free_iocb() routine that + * there is no ndlp reference available. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function. However, for the RNID Accept Response ELS command, + * this is undone later by this routine after the IOCB is allocated. + * + * Return code + * 0 - Successfully issued acc rnid response + * 1 - Failed to issue acc rnid response + **/ static int lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) @@ -2875,6 +3612,25 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, return 0; } +/** + * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine issues Address Discover (ADISC) ELS commands to those + * N_Ports which are in node port recovery state and ADISC has not been issued + * for the @vport. Each time an ELS ADISC IOCB is issued by invoking the + * lpfc_issue_els_adisc() routine, the per @vport number of discover count + * (num_disc_nodes) shall be incremented. If the num_disc_nodes reaches a + * pre-configured threshold (cfg_discovery_threads), the @vport fc_flag will + * be marked with FC_NLP_MORE bit and the process of issuing remaining ADISC + * IOCBs quit for later pick up. On the other hand, after walking through + * all the ndlps with the @vport and there is none ADISC IOCB issued, the + * @vport fc_flag shall be cleared with FC_NLP_MORE bit indicating there is + * no more ADISC need to be sent. + * + * Return code + * The number of N_Ports with adisc issued. + **/ int lpfc_els_disc_adisc(struct lpfc_vport *vport) { @@ -2914,6 +3670,25 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport) return sentadisc; } +/** + * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports + * which are in node port recovery state, with a @vport. Each time an ELS + * ADISC PLOGI IOCB is issued by invoking the lpfc_issue_els_plogi() routine, + * the per @vport number of discover count (num_disc_nodes) shall be + * incremented. If the num_disc_nodes reaches a pre-configured threshold + * (cfg_discovery_threads), the @vport fc_flag will be marked with FC_NLP_MORE + * bit set and quit the process of issuing remaining ADISC PLOGIN IOCBs for + * later pick up. On the other hand, after walking through all the ndlps with + * the @vport and there is none ADISC PLOGI IOCB issued, the @vport fc_flag + * shall be cleared with the FC_NLP_MORE bit indicating there is no more ADISC + * PLOGI need to be sent. + * + * Return code + * The number of N_Ports with plogi issued. + **/ int lpfc_els_disc_plogi(struct lpfc_vport *vport) { @@ -2954,6 +3729,15 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport) return sentplogi; } +/** + * lpfc_els_flush_rscn: Clean up any rscn activities with a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine cleans up any Registration State Change Notification + * (RSCN) activity with a @vport. Note that the fc_rscn_flush flag of the + * @vport together with the host_lock is used to prevent multiple thread + * trying to access the RSCN array on a same @vport at the same time. + **/ void lpfc_els_flush_rscn(struct lpfc_vport *vport) { @@ -2984,6 +3768,18 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport) vport->fc_rscn_flush = 0; } +/** + * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did. + * @vport: pointer to a host virtual N_Port data structure. + * @did: remote destination port identifier. + * + * This routine checks whether there is any pending Registration State + * Configuration Notification (RSCN) to a @did on @vport. + * + * Return code + * None zero - The @did matched with a pending rscn + * 0 - not able to match @did with a pending rscn + **/ int lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) { @@ -3053,6 +3849,17 @@ return_did_out: return did; } +/** + * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the + * state machine for a @vport's nodes that are with pending RSCN (Registration + * State Change Notification). + * + * Return code + * 0 - Successful (currently alway return 0) + **/ static int lpfc_rscn_recovery_check(struct lpfc_vport *vport) { @@ -3071,6 +3878,28 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport) return 0; } +/** + * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes an unsolicited RSCN (Registration State Change + * Notification) IOCB. First, the payload of the unsolicited RSCN is walked + * to invoke fc_host_post_event() routine to the FC transport layer. If the + * discover state machine is about to begin discovery, it just accepts the + * RSCN and the discovery process will satisfy the RSCN. If this RSCN only + * contains N_Port IDs for other vports on this HBA, it just accepts the + * RSCN and ignore processing it. If the state machine is in the recovery + * state, the fc_rscn_id_list of this @vport is walked and the + * lpfc_rscn_recovery_check() routine is invoked to send recovery event for + * all nodes that match RSCN payload. Otherwise, the lpfc_els_handle_rscn() + * routine is invoked to handle the RSCN event. + * + * Return code + * 0 - Just sent the acc response + * 1 - Sent the acc response and waited for name server completion + **/ static int lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3241,6 +4070,22 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return lpfc_els_handle_rscn(vport); } +/** + * lpfc_els_handle_rscn: Handle rscn for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine handles the Registration State Configuration Notification + * (RSCN) for a @vport. If login to NameServer does not exist, a new ndlp shall + * be created and a Port Login (PLOGI) to the NameServer is issued. Otherwise, + * if the ndlp to NameServer exists, a Common Transport (CT) command to the + * NameServer shall be issued. If CT command to the NameServer fails to be + * issued, the lpfc_els_flush_rscn() routine shall be invoked to clean up any + * RSCN activities with the @vport. + * + * Return code + * 0 - Cleaned up rscn on the @vport + * 1 - Wait for plogi to name server before proceed + **/ int lpfc_els_handle_rscn(struct lpfc_vport *vport) { @@ -3313,6 +4158,31 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) return 0; } +/** + * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Fabric Login (FLOGI) IOCB received as an ELS + * unsolicited event. An unsolicited FLOGI can be received in a point-to- + * point topology. As an unsolicited FLOGI should not be received in a loop + * mode, any unsolicited FLOGI received in loop mode shall be ignored. The + * lpfc_check_sparm() routine is invoked to check the parameters in the + * unsolicited FLOGI. If parameters validation failed, the routine + * lpfc_els_rsp_reject() shall be called with reject reason code set to + * LSEXP_SPARM_OPTIONS to reject the FLOGI. Otherwise, the Port WWN in the + * FLOGI shall be compared with the Port WWN of the @vport to determine who + * will initiate PLOGI. The higher lexicographical value party shall has + * higher priority (as the winning port) and will initiate PLOGI and + * communicate Port_IDs (Addresses) for both nodes in PLOGI. The result + * of this will be marked in the @vport fc_flag field with FC_PT2PT_PLOGI + * and then the lpfc_els_rsp_acc() routine is invoked to accept the FLOGI. + * + * Return code + * 0 - Successfully processed the unsolicited flogi + * 1 - Failed to process the unsolicited flogi + **/ static int lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3402,6 +4272,22 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Request Node Identification Data (RNID) IOCB + * received as an ELS unsolicited event. Only when the RNID specified format + * 0x0 or 0xDF (Topology Discovery Specific Node Identification Data) + * present, this routine will invoke the lpfc_els_rsp_rnid_acc() routine to + * Accept (ACC) the RNID ELS command. All the other RNID formats are + * rejected by invoking the lpfc_els_rsp_reject() routine. + * + * Return code + * 0 - Successfully processed rnid iocb (currently always return 0) + **/ static int lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3441,6 +4327,19 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes a Link Incident Report Registration(LIRR) IOCB + * received as an ELS unsolicited event. Currently, this function just invokes + * the lpfc_els_rsp_reject() routine to reject the LIRR IOCB unconditionally. + * + * Return code + * 0 - Successfully processed lirr iocb (currently always return 0) + **/ static int lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3456,6 +4355,25 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * This routine is the completion callback function for the MBX_READ_LNK_STAT + * mailbox command. This callback function is to actually send the Accept + * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It + * collects the link statistics from the completion of the MBX_READ_LNK_STAT + * mailbox command, constructs the RPS response with the link statistics + * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC + * response to the RPS. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the RPS Accept Response ELS IOCB command. + * + **/ static void lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { @@ -3531,6 +4449,24 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } +/** + * lpfc_els_rcv_rps: Process an unsolicited rps iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Read Port Status (RPS) IOCB received as an + * ELS unsolicited event. It first checks the remote port state. If the + * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE + * state, it invokes the lpfc_els_rsp_reject() routine to send the reject + * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command + * for reading the HBA link statistics. It is for the callback function, + * lpfc_els_rsp_rps_acc(), set to the MBX_READ_LNK_STAT mailbox command + * to actually sending out RPS Accept (ACC) response. + * + * Return codes + * 0 - Successfully processed rps iocb (currently always return 0) + **/ static int lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3592,6 +4528,25 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdsize: size of the ELS command. + * @oldiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine issuees an Accept (ACC) Read Port List (RPL) ELS command. + * It is to be called by the lpfc_els_rcv_rpl() routine to accept the RPL. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the RPL Accept Response ELS command. + * + * Return code + * 0 - Successfully issued ACC RPL ELS command + * 1 - Failed to issue ACC RPL ELS command + **/ static int lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) @@ -3645,6 +4600,22 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, return 0; } +/** + * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Read Port List (RPL) IOCB received as an ELS + * unsolicited event. It first checks the remote port state. If the remote + * port is not in NLP_STE_UNMAPPED_NODE and NLP_STE_MAPPED_NODE states, it + * invokes the lpfc_els_rsp_reject() routine to send reject response. + * Otherwise, this routine then invokes the lpfc_els_rsp_rpl_acc() routine + * to accept the RPL. + * + * Return code + * 0 - Successfully processed rpl iocb (currently always return 0) + **/ static int lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3685,6 +4656,30 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rcv_farp: Process an unsolicited farp request els command. + * @vport: pointer to a virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Fibre Channel Address Resolution Protocol + * (FARP) Request IOCB received as an ELS unsolicited event. Currently, + * the lpfc driver only supports matching on WWPN or WWNN for FARP. As such, + * FARP_MATCH_PORT flag and FARP_MATCH_NODE flag are checked against the + * Match Flag in the FARP request IOCB: if FARP_MATCH_PORT flag is set, the + * remote PortName is compared against the FC PortName stored in the @vport + * data structure; if FARP_MATCH_NODE flag is set, the remote NodeName is + * compared against the FC NodeName stored in the @vport data structure. + * If any of these matches and the FARP_REQUEST_FARPR flag is set in the + * FARP request IOCB Response Flag, the lpfc_issue_els_farpr() routine is + * invoked to send out FARP Response to the remote node. Before sending the + * FARP Response, however, the FARP_REQUEST_PLOGI flag is check in the FARP + * request IOCB Response Flag and, if it is set, the lpfc_issue_els_plogi() + * routine is invoked to log into the remote port first. + * + * Return code + * 0 - Either the FARP Match Mode not supported or successfully processed + **/ static int lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3744,6 +4739,20 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes Fibre Channel Address Resolution Protocol + * Response (FARPR) IOCB received as an ELS unsolicited event. It simply + * invokes the lpfc_els_rsp_acc() routine to the remote node to accept + * the FARP response request. + * + * Return code + * 0 - Successfully processed FARPR IOCB (currently always return 0) + **/ static int lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) @@ -3768,6 +4777,25 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_rcv_fan: Process an unsolicited fan iocb command. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @fan_ndlp: pointer to a node-list data structure. + * + * This routine processes a Fabric Address Notification (FAN) IOCB + * command received as an ELS unsolicited event. The FAN ELS command will + * only be processed on a physical port (i.e., the @vport represents the + * physical port). The fabric NodeName and PortName from the FAN IOCB are + * compared against those in the phba data structure. If any of those is + * different, the lpfc_initial_flogi() routine is invoked to initialize + * Fabric Login (FLOGI) to the fabric to start the discover over. Otherwise, + * if both of those are identical, the lpfc_issue_fabric_reglogin() routine + * is invoked to register login to the fabric. + * + * Return code + * 0 - Successfully processed fan iocb (currently always return 0). + **/ static int lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *fan_ndlp) @@ -3797,6 +4825,16 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } +/** + * lpfc_els_timeout: Handler funciton to the els timer. + * @ptr: holder for the timer function associated data. + * + * This routine is invoked by the ELS timer after timeout. It posts the ELS + * timer timeout event by setting the WORKER_ELS_TMO bit to the work port + * event bitmap and then invokes the lpfc_worker_wake_up() routine to wake + * up the worker thread. It is for the worker thread to invoke the routine + * lpfc_els_timeout_handler() to work on the posted event WORKER_ELS_TMO. + **/ void lpfc_els_timeout(unsigned long ptr) { @@ -3816,6 +4854,15 @@ lpfc_els_timeout(unsigned long ptr) return; } +/** + * lpfc_els_timeout_handler: Process an els timeout event. + * @vport: pointer to a virtual N_Port data structure. + * + * This routine is the actual handler function that processes an ELS timeout + * event. It walks the ELS ring to get and abort all the IOCBs (except the + * ABORT/CLOSE/FARP/FARPR/FDISC), which are associated with the @vport by + * invoking the lpfc_sli_issue_abort_iotag() routine. + **/ void lpfc_els_timeout_handler(struct lpfc_vport *vport) { @@ -3886,6 +4933,26 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); } +/** + * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine is used to clean up all the outstanding ELS commands on a + * @vport. It first aborts the @vport by invoking lpfc_fabric_abort_vport() + * routine. After that, it walks the ELS transmit queue to remove all the + * IOCBs with the @vport other than the QUE_RING and ABORT/CLOSE IOCBs. For + * the IOCBs with a non-NULL completion callback function, the callback + * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and + * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs with a NULL completion + * callback function, the IOCB will simply be released. Finally, it walks + * the ELS transmit completion queue to issue an abort IOCB to any transmit + * completion queue IOCB that is associated with the @vport and is not + * an IOCB from libdfc (i.e., the management plane IOCBs that are not + * part of the discovery state machine) out to HBA by invoking the + * lpfc_sli_issue_abort_iotag() routine. Note that this function issues the + * abort IOCB to any transmit completion queueed IOCB, it does not guarantee + * the IOCBs are aborted when this function returns. + **/ void lpfc_els_flush_cmd(struct lpfc_vport *vport) { @@ -3948,6 +5015,23 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) return; } +/** + * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA. + * @phba: pointer to lpfc hba data structure. + * + * This routine is used to clean up all the outstanding ELS commands on a + * @phba. It first aborts the @phba by invoking the lpfc_fabric_abort_hba() + * routine. After that, it walks the ELS transmit queue to remove all the + * IOCBs to the @phba other than the QUE_RING and ABORT/CLOSE IOCBs. For + * the IOCBs with the completion callback function associated, the callback + * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and + * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs without the completion + * callback function associated, the IOCB will simply be released. Finally, + * it walks the ELS transmit completion queue to issue an abort IOCB to any + * transmit completion queue IOCB that is not an IOCB from libdfc (i.e., the + * management plane IOCBs that are not part of the discovery state machine) + * out to HBA by invoking the lpfc_sli_issue_abort_iotag() routine. + **/ void lpfc_els_flush_all_cmd(struct lpfc_hba *phba) { @@ -3992,6 +5076,20 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) return; } +/** + * lpfc_els_unsol_buffer: Process an unsolicited event data buffer. + * @phba: pointer to lpfc hba data structure. + * @pring: pointer to a SLI ring. + * @vport: pointer to a host virtual N_Port data structure. + * @elsiocb: pointer to lpfc els command iocb data structure. + * + * This routine is used for processing the IOCB associated with a unsolicited + * event. It first determines whether there is an existing ndlp that matches + * the DID from the unsolicited IOCB. If not, it will create a new one with + * the DID from the unsolicited IOCB. The ELS command from the unsolicited + * IOCB is then used to invoke the proper routine and to set up proper state + * of the discovery state machine. + **/ static void lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) @@ -4282,6 +5380,19 @@ dropit: phba->fc_stat.elsRcvDrop++; } +/** + * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier. + * @phba: pointer to lpfc hba data structure. + * @vpi: host virtual N_Port identifier. + * + * This routine finds a vport on a HBA (referred by @phba) through a + * @vpi. The function walks the HBA's vport list and returns the address + * of the vport with the matching @vpi. + * + * Return code + * NULL - No vport with the matching @vpi found + * Otherwise - Address to the vport with the matching @vpi. + **/ static struct lpfc_vport * lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) { @@ -4299,6 +5410,18 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi) return NULL; } +/** + * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring. + * @phba: pointer to lpfc hba data structure. + * @pring: pointer to a SLI ring. + * @elsiocb: pointer to lpfc els iocb data structure. + * + * This routine is used to process an unsolicited event received from a SLI + * (Service Level Interface) ring. The actual processing of the data buffer + * associated with the unsolicited event is done by invoking the routine + * lpfc_els_unsol_buffer() after properly set up the iocb buffer from the + * SLI ring on which the unsolicited event was received. + **/ void lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *elsiocb) @@ -4376,6 +5499,19 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } } +/** + * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr. + * @phba: pointer to lpfc hba data structure. + * @vport: pointer to a virtual N_Port data structure. + * + * This routine issues a Port Login (PLOGI) to the Name Server with + * State Change Request (SCR) for a @vport. This routine will create an + * ndlp for the Name Server associated to the @vport if such node does + * not already exist. The PLOGI to Name Server is issued by invoking the + * lpfc_issue_els_plogi() routine. If Fabric-Device Management Interface + * (FDMI) is configured to the @vport, a FDMI node will be created and + * the PLOGI to FDMI is issued by invoking lpfc_issue_els_plogi() routine. + **/ void lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) { @@ -4434,6 +5570,18 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) return; } +/** + * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * This routine is the completion callback function to register new vport + * mailbox command. If the new vport mailbox command completes successfully, + * the fabric registration login shall be performed on physical port (the + * new vport created is actually a physical port, with VPI 0) or the port + * login to Name Server for State Change Request (SCR) will be performed + * on virtual port (real virtual port, with VPI greater than 0). + **/ static void lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { @@ -4491,6 +5639,15 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } +/** + * lpfc_register_new_vport: Register a new vport with a HBA. + * @phba: pointer to lpfc hba data structure. + * @vport: pointer to a host virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine registers the @vport as a new virtual port with a HBA. + * It is done through a registering vpi mailbox command. + **/ static void lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) @@ -4531,6 +5688,26 @@ mbox_err_exit: return; } +/** + * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function to a Fabric Discover + * (FDISC) ELS command. Since all the FDISC ELS commands are issued + * single threaded, each FDISC completion callback function will reset + * the discovery timer for all vports such that the timers will not get + * unnecessary timeout. The function checks the FDISC IOCB status. If error + * detected, the vport will be set to FC_VPORT_FAILED state. Otherwise,the + * vport will set to FC_VPORT_ACTIVE state. It then checks whether the DID + * assigned to the vport has been changed with the completion of the FDISC + * command. If so, both RPI (Remote Port Index) and VPI (Virtual Port Index) + * are unregistered from the HBA, and then the lpfc_register_new_vport() + * routine is invoked to register new vport with the HBA. Otherwise, the + * lpfc_do_scr_ns_plogi() routine is invoked to issue a PLOGI to the Name + * Server for State Change Request (SCR). + **/ static void lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -4617,6 +5794,26 @@ out: lpfc_els_free_iocb(phba, cmdiocb); } +/** + * lpfc_issue_els_fdisc: Issue a fdisc iocb command. + * @vport: pointer to a virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * @retry: number of retries to the command IOCB. + * + * This routine prepares and issues a Fabric Discover (FDISC) IOCB to + * a remote node (@ndlp) off a @vport. It uses the lpfc_issue_fabric_iocb() + * routine to issue the IOCB, which makes sure only one outstanding fabric + * IOCB will be sent off HBA at any given time. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the FDISC ELS command. + * + * Return code + * 0 - Successfully issued fdisc iocb command + * 1 - Failed to issue fdisc iocb command + **/ static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) @@ -4691,6 +5888,20 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_cmpl_els_npiv_logo: Completion function with vport logo. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function to the issuing of a LOGO + * ELS command off a vport. It frees the command IOCB and then decrement the + * reference count held on ndlp for this completion function, indicating that + * the reference to the ndlp is no long needed. Note that the + * lpfc_els_free_iocb() routine decrements the ndlp reference held for this + * callback function and an additional explicit ndlp reference decrementation + * will trigger the actual release of the ndlp. + **/ static void lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -4712,6 +5923,22 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_nlp_put(ndlp); } +/** + * lpfc_issue_els_npiv_logo: Issue a logo off a vport. + * @vport: pointer to a virtual N_Port data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine issues a LOGO ELS command to an @ndlp off a @vport. + * + * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp + * will be incremented by 1 for holding the ndlp and the reference to ndlp + * will be stored into the context1 field of the IOCB for the completion + * callback function to the LOGO ELS command. + * + * Return codes + * 0 - Successfully issued logo off the @vport + * 1 - Failed to issue logo off the @vport + **/ int lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { @@ -4757,6 +5984,17 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) return 0; } +/** + * lpfc_fabric_block_timeout: Handler function to the fabric block timer. + * @ptr: holder for the timer function associated data. + * + * This routine is invoked by the fabric iocb block timer after + * timeout. It posts the fabric iocb block timeout event by setting the + * WORKER_FABRIC_BLOCK_TMO bit to work port event bitmap and then invokes + * lpfc_worker_wake_up() routine to wake up the worker thread. It is for + * the worker thread to invoke the lpfc_unblock_fabric_iocbs() on the + * posted event WORKER_FABRIC_BLOCK_TMO. + **/ void lpfc_fabric_block_timeout(unsigned long ptr) { @@ -4775,6 +6013,16 @@ lpfc_fabric_block_timeout(unsigned long ptr) return; } +/** + * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list. + * @phba: pointer to lpfc hba data structure. + * + * This routine issues one fabric iocb from the driver internal list to + * the HBA. It first checks whether it's ready to issue one fabric iocb to + * the HBA (whether there is no outstanding fabric iocb). If so, it shall + * remove one pending fabric iocb from the driver internal list and invokes + * lpfc_sli_issue_iocb() routine to send the fabric iocb to the HBA. + **/ static void lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) { @@ -4824,6 +6072,15 @@ repeat: return; } +/** + * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command. + * @phba: pointer to lpfc hba data structure. + * + * This routine unblocks the issuing fabric iocb command. The function + * will clear the fabric iocb block bit and then invoke the routine + * lpfc_resume_fabric_iocbs() to issue one of the pending fabric iocb + * from the driver internal fabric iocb list. + **/ void lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) { @@ -4833,6 +6090,15 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) return; } +/** + * lpfc_block_fabric_iocbs: Block issuing fabric iocb command. + * @phba: pointer to lpfc hba data structure. + * + * This routine blocks the issuing fabric iocb for a specified amount of + * time (currently 100 ms). This is done by set the fabric iocb block bit + * and set up a timeout timer for 100ms. When the block bit is set, no more + * fabric iocb will be issued out of the HBA. + **/ static void lpfc_block_fabric_iocbs(struct lpfc_hba *phba) { @@ -4846,6 +6112,19 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) return; } +/** + * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb. + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the callback function that is put to the fabric iocb's + * callback function pointer (iocb->iocb_cmpl). The original iocb's callback + * function pointer has been stored in iocb->fabric_iocb_cmpl. This callback + * function first restores and invokes the original iocb's callback function + * and then invokes the lpfc_resume_fabric_iocbs() routine to issue the next + * fabric bound iocb from the driver internal fabric iocb list onto the wire. + **/ static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -4892,6 +6171,30 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } } +/** + * lpfc_issue_fabric_iocb: Issue a fabric iocb command. + * @phba: pointer to lpfc hba data structure. + * @iocb: pointer to lpfc command iocb data structure. + * + * This routine is used as the top-level API for issuing a fabric iocb command + * such as FLOGI and FDISC. To accommodate certain switch fabric, this driver + * function makes sure that only one fabric bound iocb will be outstanding at + * any given time. As such, this function will first check to see whether there + * is already an outstanding fabric iocb on the wire. If so, it will put the + * newly issued iocb onto the driver internal fabric iocb list, waiting to be + * issued later. Otherwise, it will issue the iocb on the wire and update the + * fabric iocb count it indicate that there is one fabric iocb on the wire. + * + * Note, this implementation has a potential sending out fabric IOCBs out of + * order. The problem is caused by the construction of the "ready" boolen does + * not include the condition that the internal fabric IOCB list is empty. As + * such, it is possible a fabric IOCB issued by this routine might be "jump" + * ahead of the fabric IOCBs in the internal list. + * + * Return code + * IOCB_SUCCESS - either fabric iocb put on the list or issued successfully + * IOCB_ERROR - failed to issue fabric iocb + **/ static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) { @@ -4937,7 +6240,17 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) return ret; } - +/** + * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list. + * @vport: pointer to a virtual N_Port data structure. + * + * This routine aborts all the IOCBs associated with a @vport from the + * driver internal fabric IOCB list. The list contains fabric IOCBs to be + * issued to the ELS IOCB ring. This abort function walks the fabric IOCB + * list, removes each IOCB associated with the @vport off the list, set the + * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function + * associated with the IOCB. + **/ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) { LIST_HEAD(completions); @@ -4967,6 +6280,17 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) } } +/** + * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list. + * @ndlp: pointer to a node-list data structure. + * + * This routine aborts all the IOCBs associated with an @ndlp from the + * driver internal fabric IOCB list. The list contains fabric IOCBs to be + * issued to the ELS IOCB ring. This abort function walks the fabric IOCB + * list, removes each IOCB associated with the @ndlp off the list, set the + * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function + * associated with the IOCB. + **/ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) { LIST_HEAD(completions); @@ -4996,6 +6320,17 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) } } +/** + * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list. + * @phba: pointer to lpfc hba data structure. + * + * This routine aborts all the IOCBs currently on the driver internal + * fabric IOCB list. The list contains fabric IOCBs to be issued to the ELS + * IOCB ring. This function takes the entire IOCB list off the fabric IOCB + * list, removes IOCBs off the list, set the status feild to + * IOSTAT_LOCAL_REJECT, and invokes the callback function associated with + * the IOCB. + **/ void lpfc_fabric_abort_hba(struct lpfc_hba *phba) { LIST_HEAD(completions); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index d51a2a4b43eb..b9d553c2ac4d 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -52,17 +52,20 @@ static struct scsi_transport_template *lpfc_transport_template = NULL; static struct scsi_transport_template *lpfc_vport_transport_template = NULL; static DEFINE_IDR(lpfc_hba_index); -/************************************************************************/ -/* */ -/* lpfc_config_port_prep */ -/* This routine will do LPFC initialization prior to the */ -/* CONFIG_PORT mailbox command. This will be initialized */ -/* as a SLI layer callback routine. */ -/* This routine returns 0 on success or -ERESTART if it wants */ -/* the SLI layer to reset the HBA and try again. Any */ -/* other return value indicates an error. */ -/* */ -/************************************************************************/ +/** + * lpfc_config_port_prep: Perform lpfc initialization prior to config port. + * @phba: pointer to lpfc hba data structure. + * + * This routine will do LPFC initialization prior to issuing the CONFIG_PORT + * mailbox command. It retrieves the revision information from the HBA and + * collects the Vital Product Data (VPD) about the HBA for preparing the + * configuration of the HBA. + * + * Return codes: + * 0 - success. + * -ERESTART - requests the SLI layer to reset the HBA and try again. + * Any other value - indicates an error. + **/ int lpfc_config_port_prep(struct lpfc_hba *phba) { @@ -214,7 +217,16 @@ out_free_mbox: return 0; } -/* Completion handler for config async event mailbox command. */ +/** + * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd. + * @phba: pointer to lpfc hba data structure. + * @pmboxq: pointer to the driver internal queue element for mailbox command. + * + * This is the completion handler for driver's configuring asynchronous event + * mailbox command to the device. If the mailbox command returns successfully, + * it will set internal async event support flag to 1; otherwise, it will + * set internal async event support flag to 0. + **/ static void lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) { @@ -226,16 +238,19 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) return; } -/************************************************************************/ -/* */ -/* lpfc_config_port_post */ -/* This routine will do LPFC initialization after the */ -/* CONFIG_PORT mailbox command. This will be initialized */ -/* as a SLI layer callback routine. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ +/** + * lpfc_config_port_post: Perform lpfc initialization after config port. + * @phba: pointer to lpfc hba data structure. + * + * This routine will do LPFC initialization after the CONFIG_PORT mailbox + * command call. It performs all internal resource and state setups on the + * port: post IOCB buffers, enable appropriate host interrupt attentions, + * ELS ring timers, etc. + * + * Return codes + * 0 - success. + * Any other value - error. + **/ int lpfc_config_port_post(struct lpfc_hba *phba) { @@ -450,16 +465,17 @@ lpfc_config_port_post(struct lpfc_hba *phba) return (0); } -/************************************************************************/ -/* */ -/* lpfc_hba_down_prep */ -/* This routine will do LPFC uninitialization before the */ -/* HBA is reset when bringing down the SLI Layer. This will be */ -/* initialized as a SLI layer callback routine. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ +/** + * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset. + * @phba: pointer to lpfc HBA data structure. + * + * This routine will do LPFC uninitialization before the HBA is reset when + * bringing down the SLI Layer. + * + * Return codes + * 0 - success. + * Any other value - error. + **/ int lpfc_hba_down_prep(struct lpfc_hba *phba) { @@ -481,15 +497,17 @@ lpfc_hba_down_prep(struct lpfc_hba *phba) return 0; } -/************************************************************************/ -/* */ -/* lpfc_hba_down_post */ -/* This routine will do uninitialization after the HBA is reset */ -/* when bringing down the SLI Layer. */ -/* This routine returns 0 on success. Any other return value */ -/* indicates an error. */ -/* */ -/************************************************************************/ +/** + * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset. + * @phba: pointer to lpfc HBA data structure. + * + * This routine will do uninitialization after the HBA is reset when bring + * down the SLI Layer. + * + * Return codes + * 0 - sucess. + * Any other value - error. + **/ int lpfc_hba_down_post(struct lpfc_hba *phba) { @@ -548,7 +566,18 @@ lpfc_hba_down_post(struct lpfc_hba *phba) return 0; } -/* HBA heart beat timeout handler */ +/** + * lpfc_hb_timeout: The HBA-timer timeout handler. + * @ptr: unsigned long holds the pointer to lpfc hba data structure. + * + * This is the HBA-timer timeout handler registered to the lpfc driver. When + * this timer fires, a HBA timeout event shall be posted to the lpfc driver + * work-port-events bitmap and the worker thread is notified. This timeout + * event will be used by the worker thread to invoke the actual timeout + * handler routine, lpfc_hb_timeout_handler. Any periodical operations will + * be performed in the timeout handler and the HBA timeout event bit shall + * be cleared by the worker thread after it has taken the event bitmap out. + **/ static void lpfc_hb_timeout(unsigned long ptr) { @@ -568,6 +597,22 @@ lpfc_hb_timeout(unsigned long ptr) return; } +/** + * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function. + * @phba: pointer to lpfc hba data structure. + * @pmboxq: pointer to the driver internal queue element for mailbox command. + * + * This is the callback function to the lpfc heart-beat mailbox command. + * If configured, the lpfc driver issues the heart-beat mailbox command to + * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the + * heart-beat mailbox command is issued, the driver shall set up heart-beat + * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks + * heart-beat outstanding state. Once the mailbox command comes back and + * no error conditions detected, the heart-beat mailbox command timer is + * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding + * state is cleared for the next heart-beat. If the timer expired with the + * heart-beat outstanding state set, the driver will put the HBA offline. + **/ static void lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) { @@ -586,6 +631,22 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) return; } +/** + * lpfc_hb_timeout_handler: The HBA-timer timeout handler. + * @phba: pointer to lpfc hba data structure. + * + * This is the actual HBA-timer timeout handler to be invoked by the worker + * thread whenever the HBA timer fired and HBA-timeout event posted. This + * handler performs any periodic operations needed for the device. If such + * periodic event has already been attended to either in the interrupt handler + * or by processing slow-ring or fast-ring events within the HBA-timer + * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets + * the timer for the next timeout period. If lpfc heart-beat mailbox command + * is configured and there is no heart-beat mailbox command outstanding, a + * heart-beat mailbox is issued and timer set properly. Otherwise, if there + * has been a heart-beat mailbox command outstanding, the HBA shall be put + * to offline. + **/ void lpfc_hb_timeout_handler(struct lpfc_hba *phba) { @@ -684,6 +745,13 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } } +/** + * lpfc_offline_eratt: Bring lpfc offline on hardware error attention. + * @phba: pointer to lpfc hba data structure. + * + * This routine is called to bring the HBA offline when HBA hardware error + * other than Port Error 6 has been detected. + **/ static void lpfc_offline_eratt(struct lpfc_hba *phba) { @@ -704,14 +772,16 @@ lpfc_offline_eratt(struct lpfc_hba *phba) return; } -/************************************************************************/ -/* */ -/* lpfc_handle_eratt */ -/* This routine will handle processing a Host Attention */ -/* Error Status event. This will be initialized */ -/* as a SLI layer callback routine. */ -/* */ -/************************************************************************/ +/** + * lpfc_handle_eratt: The HBA hardware error handler. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to handle the following HBA hardware error + * conditions: + * 1 - HBA error attention interrupt + * 2 - DMA ring index out of range + * 3 - Mailbox command came back as unknown + **/ void lpfc_handle_eratt(struct lpfc_hba *phba) { @@ -810,14 +880,13 @@ lpfc_handle_eratt(struct lpfc_hba *phba) } } -/************************************************************************/ -/* */ -/* lpfc_handle_latt */ -/* This routine will handle processing a Host Attention */ -/* Link Status event. This will be initialized */ -/* as a SLI layer callback routine. */ -/* */ -/************************************************************************/ +/** + * lpfc_handle_latt: The HBA link event handler. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked from the worker thread to handle a HBA host + * attention link event. + **/ void lpfc_handle_latt(struct lpfc_hba *phba) { @@ -898,12 +967,20 @@ lpfc_handle_latt_err_exit: return; } -/************************************************************************/ -/* */ -/* lpfc_parse_vpd */ -/* This routine will parse the VPD data */ -/* */ -/************************************************************************/ +/** + * lpfc_parse_vpd: Parse VPD (Vital Product Data). + * @phba: pointer to lpfc hba data structure. + * @vpd: pointer to the vital product data. + * @len: length of the vital product data in bytes. + * + * This routine parses the Vital Product Data (VPD). The VPD is treated as + * an array of characters. In this routine, the ModelName, ProgramType, and + * ModelDesc, etc. fields of the phba data structure will be populated. + * + * Return codes + * 0 - pointer to the VPD passed in is NULL + * 1 - success + **/ static int lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) { @@ -1040,6 +1117,18 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len) return(1); } +/** + * lpfc_get_hba_model_desc: Retrieve HBA device model name and description. + * @phba: pointer to lpfc hba data structure. + * @mdp: pointer to the data structure to hold the derived model name. + * @descp: pointer to the data structure to hold the derived description. + * + * This routine retrieves HBA's description based on its registered PCI device + * ID. The @descp passed into this function points to an array of 256 chars. It + * shall be returned with the model name, maximum speed, and the host bus type. + * The @mdp passed into this function points to an array of 80 chars. When the + * function returns, the @mdp will be filled with the model name. + **/ static void lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) { @@ -1190,14 +1279,18 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) m.name, m.max_speed, m.bus); } -/**************************************************/ -/* lpfc_post_buffer */ -/* */ -/* This routine will post count buffers to the */ -/* ring with the QUE_RING_BUF_CN command. This */ -/* allows 3 buffers / command to be posted. */ -/* Returns the number of buffers NOT posted. */ -/**************************************************/ +/** + * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring. + * @phba: pointer to lpfc hba data structure. + * @pring: pointer to a IOCB ring. + * @cnt: the number of IOCBs to be posted to the IOCB ring. + * + * This routine posts a given number of IOCBs with the associated DMA buffer + * descriptors specified by the cnt argument to the given IOCB ring. + * + * Return codes + * The number of IOCBs NOT able to be posted to the IOCB ring. + **/ int lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) { @@ -1287,12 +1380,17 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) return 0; } -/************************************************************************/ -/* */ -/* lpfc_post_rcv_buf */ -/* This routine post initial rcv buffers to the configured rings */ -/* */ -/************************************************************************/ +/** + * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring. + * @phba: pointer to lpfc hba data structure. + * + * This routine posts initial receive IOCB buffers to the ELS ring. The + * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is + * set to 64 IOCBs. + * + * Return codes + * 0 - success (currently always success) + **/ static int lpfc_post_rcv_buf(struct lpfc_hba *phba) { @@ -1307,11 +1405,13 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) #define S(N,V) (((V)<<(N))|((V)>>(32-(N)))) -/************************************************************************/ -/* */ -/* lpfc_sha_init */ -/* */ -/************************************************************************/ +/** + * lpfc_sha_init: Set up initial array of hash table entries. + * @HashResultPointer: pointer to an array as hash table. + * + * This routine sets up the initial values to the array of hash table entries + * for the LC HBAs. + **/ static void lpfc_sha_init(uint32_t * HashResultPointer) { @@ -1322,11 +1422,16 @@ lpfc_sha_init(uint32_t * HashResultPointer) HashResultPointer[4] = 0xC3D2E1F0; } -/************************************************************************/ -/* */ -/* lpfc_sha_iterate */ -/* */ -/************************************************************************/ +/** + * lpfc_sha_iterate: Iterate initial hash table with the working hash table. + * @HashResultPointer: pointer to an initial/result hash table. + * @HashWorkingPointer: pointer to an working hash table. + * + * This routine iterates an initial hash table pointed by @HashResultPointer + * with the values from the working hash table pointeed by @HashWorkingPointer. + * The results are putting back to the initial hash table, returned through + * the @HashResultPointer as the result hash table. + **/ static void lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) { @@ -1374,22 +1479,29 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer) } -/************************************************************************/ -/* */ -/* lpfc_challenge_key */ -/* */ -/************************************************************************/ +/** + * lpfc_challenge_key: Create challenge key based on WWPN of the HBA. + * @RandomChallenge: pointer to the entry of host challenge random number array. + * @HashWorking: pointer to the entry of the working hash array. + * + * This routine calculates the working hash array referred by @HashWorking + * from the challenge random numbers associated with the host, referred by + * @RandomChallenge. The result is put into the entry of the working hash + * array and returned by reference through @HashWorking. + **/ static void lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking) { *HashWorking = (*RandomChallenge ^ *HashWorking); } -/************************************************************************/ -/* */ -/* lpfc_hba_init */ -/* */ -/************************************************************************/ +/** + * lpfc_hba_init: Perform special handling for LC HBA initialization. + * @phba: pointer to lpfc hba data structure. + * @hbainit: pointer to an array of unsigned 32-bit integers. + * + * This routine performs the special handling for LC HBA initialization. + **/ void lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) { @@ -1412,6 +1524,15 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) kfree(HashWorking); } +/** + * lpfc_cleanup: Performs vport cleanups before deleting a vport. + * @vport: pointer to a virtual N_Port data structure. + * + * This routine performs the necessary cleanups before deleting the @vport. + * It invokes the discovery state machine to perform necessary state + * transitions and to release the ndlps associated with the @vport. Note, + * the physical port is treated as @vport 0. + **/ void lpfc_cleanup(struct lpfc_vport *vport) { @@ -1498,6 +1619,14 @@ lpfc_cleanup(struct lpfc_vport *vport) return; } +/** + * lpfc_stop_vport_timers: Stop all the timers associated with a vport. + * @vport: pointer to a virtual N_Port data structure. + * + * This routine stops all the timers associated with a @vport. This function + * is invoked before disabling or deleting a @vport. Note that the physical + * port is treated as @vport 0. + **/ void lpfc_stop_vport_timers(struct lpfc_vport *vport) { @@ -1507,6 +1636,13 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport) return; } +/** + * lpfc_stop_phba_timers: Stop all the timers associated with an HBA. + * @phba: pointer to lpfc hba data structure. + * + * This routine stops all the timers associated with a HBA. This function is + * invoked before either putting a HBA offline or unloading the driver. + **/ static void lpfc_stop_phba_timers(struct lpfc_hba *phba) { @@ -1519,6 +1655,16 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) return; } +/** + * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked. + * @phba: pointer to lpfc hba data structure. + * + * This routine marks a HBA's management interface as blocked. Once the HBA's + * management interface is marked as blocked, all the user space access to + * the HBA, whether they are from sysfs interface or libdfc interface will + * all be blocked. The HBA is set to block the management interface when the + * driver prepares the HBA interface for online or offline. + **/ static void lpfc_block_mgmt_io(struct lpfc_hba * phba) { @@ -1529,6 +1675,18 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) spin_unlock_irqrestore(&phba->hbalock, iflag); } +/** + * lpfc_online: Initialize and bring a HBA online. + * @phba: pointer to lpfc hba data structure. + * + * This routine initializes the HBA and brings a HBA online. During this + * process, the management interface is blocked to prevent user space access + * to the HBA interfering with the driver initialization. + * + * Return codes + * 0 - successful + * 1 - failed + **/ int lpfc_online(struct lpfc_hba *phba) { @@ -1574,6 +1732,17 @@ lpfc_online(struct lpfc_hba *phba) return 0; } +/** + * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked. + * @phba: pointer to lpfc hba data structure. + * + * This routine marks a HBA's management interface as not blocked. Once the + * HBA's management interface is marked as not blocked, all the user space + * access to the HBA, whether they are from sysfs interface or libdfc + * interface will be allowed. The HBA is set to block the management interface + * when the driver prepares the HBA interface for online or offline and then + * set to unblock the management interface afterwards. + **/ void lpfc_unblock_mgmt_io(struct lpfc_hba * phba) { @@ -1584,6 +1753,14 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba) spin_unlock_irqrestore(&phba->hbalock, iflag); } +/** + * lpfc_offline_prep: Prepare a HBA to be brought offline. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to prepare a HBA to be brought offline. It performs + * unregistration login to all the nodes on all vports and flushes the mailbox + * queue to make it ready to be brought offline. + **/ void lpfc_offline_prep(struct lpfc_hba * phba) { @@ -1633,6 +1810,14 @@ lpfc_offline_prep(struct lpfc_hba * phba) lpfc_sli_flush_mbox_queue(phba); } +/** + * lpfc_offline: Bring a HBA offline. + * @phba: pointer to lpfc hba data structure. + * + * This routine actually brings a HBA offline. It stops all the timers + * associated with the HBA, brings down the SLI layer, and eventually + * marks the HBA as in offline state for the upper layer protocol. + **/ void lpfc_offline(struct lpfc_hba *phba) { @@ -1670,12 +1855,17 @@ lpfc_offline(struct lpfc_hba *phba) lpfc_destroy_vport_work_array(phba, vports); } -/****************************************************************************** -* Function name: lpfc_scsi_free -* -* Description: Called from lpfc_pci_remove_one free internal driver resources -* -******************************************************************************/ +/** + * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists. + * @phba: pointer to lpfc hba data structure. + * + * This routine is to free all the SCSI buffers and IOCBs from the driver + * list back to kernel. It is called from lpfc_pci_remove_one to free + * the internal resources before the device is removed from the system. + * + * Return codes + * 0 - successful (for now, it always returns 0) + **/ static int lpfc_scsi_free(struct lpfc_hba *phba) { @@ -1704,6 +1894,22 @@ lpfc_scsi_free(struct lpfc_hba *phba) return 0; } +/** + * lpfc_create_port: Create an FC port. + * @phba: pointer to lpfc hba data structure. + * @instance: a unique integer ID to this FC port. + * @dev: pointer to the device data structure. + * + * This routine creates a FC port for the upper layer protocol. The FC port + * can be created on top of either a physical port or a virtual port provided + * by the HBA. This routine also allocates a SCSI host data structure (shost) + * and associates the FC port created before adding the shost into the SCSI + * layer. + * + * Return codes + * @vport - pointer to the virtual N_Port data structure. + * NULL - port create failed. + **/ struct lpfc_vport * lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) { @@ -1777,6 +1983,13 @@ out: return NULL; } +/** + * destroy_port: Destroy an FC port. + * @vport: pointer to an lpfc virtual N_Port data structure. + * + * This routine destroys a FC port from the upper layer protocol. All the + * resources associated with the port are released. + **/ void destroy_port(struct lpfc_vport *vport) { @@ -1797,6 +2010,16 @@ destroy_port(struct lpfc_vport *vport) return; } +/** + * lpfc_get_instance: Get a unique integer ID. + * + * This routine allocates a unique integer ID from lpfc_hba_index pool. It + * uses the kernel idr facility to perform the task. + * + * Return codes: + * instance - a unique integer ID allocated as the new instance. + * -1 - lpfc get instance failed. + **/ int lpfc_get_instance(void) { @@ -1810,11 +2033,21 @@ lpfc_get_instance(void) return instance; } -/* - * Note: there is no scan_start function as adapter initialization - * will have asynchronously kicked off the link initialization. - */ - +/** + * lpfc_scan_finished: method for SCSI layer to detect whether scan is done. + * @shost: pointer to SCSI host data structure. + * @time: elapsed time of the scan in jiffies. + * + * This routine is called by the SCSI layer with a SCSI host to determine + * whether the scan host is finished. + * + * Note: there is no scan_start function as adapter initialization will have + * asynchronously kicked off the link initialization. + * + * Return codes + * 0 - SCSI host scan is not over yet. + * 1 - SCSI host scan is over. + **/ int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time) { struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; @@ -1858,6 +2091,13 @@ finished: return stat; } +/** + * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port. + * @shost: pointer to SCSI host data structure. + * + * This routine initializes a given SCSI host attributes on a FC port. The + * SCSI host can be either on top of a physical port or a virtual port. + **/ void lpfc_host_attrib_init(struct Scsi_Host *shost) { struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; @@ -1906,6 +2146,25 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) spin_unlock_irq(shost->host_lock); } +/** + * lpfc_enable_msix: Enable MSI-X interrupt mode. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to enable the MSI-X interrupt vectors. The kernel + * function pci_enable_msix() is called to enable the MSI-X vectors. Note that + * pci_enable_msix(), once invoked, enables either all or nothing, depending + * on the current availability of PCI vector resources. The device driver is + * responsible for calling the individual request_irq() to register each MSI-X + * vector with a interrupt handler, which is done in this function. Note that + * later when device is unloading, the driver should always call free_irq() + * on all MSI-X vectors it has done request_irq() on before calling + * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device + * will be left with MSI-X enabled and leaks its vectors. + * + * Return codes + * 0 - sucessful + * other values - error + **/ static int lpfc_enable_msix(struct lpfc_hba *phba) { @@ -1935,6 +2194,13 @@ lpfc_enable_msix(struct lpfc_hba *phba) return error; } +/** + * lpfc_disable_msix: Disable MSI-X interrupt mode. + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked to release the MSI-X vectors and then disable the + * MSI-X interrupt mode. + **/ static void lpfc_disable_msix(struct lpfc_hba *phba) { @@ -1942,6 +2208,23 @@ lpfc_disable_msix(struct lpfc_hba *phba) pci_disable_msix(phba->pcidev); } +/** + * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem. + * @pdev: pointer to PCI device + * @pid: pointer to PCI device identifier + * + * This routine is to be registered to the kernel's PCI subsystem. When an + * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at + * PCI device-specific information of the device and driver to see if the + * driver state that it can support this kind of device. If the match is + * successful, the driver core invokes this routine. If this routine + * determines it can claim the HBA, it does all the initialization that it + * needs to do to handle the HBA properly. + * + * Return code + * 0 - driver can claim the device + * negative value - driver can not claim the device + **/ static int __devinit lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) { @@ -2262,6 +2545,14 @@ out: return error; } +/** + * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem. + * @pdev: pointer to PCI device + * + * This routine is to be registered to the kernel's PCI subsystem. When an + * Emulex HBA is removed from PCI bus. It perform all the necessary cleanup + * for the HBA device to be removed from the PCI subsystem properly. + **/ static void __devexit lpfc_pci_remove_one(struct pci_dev *pdev) { @@ -2336,13 +2627,21 @@ lpfc_pci_remove_one(struct pci_dev *pdev) } /** - * lpfc_io_error_detected - called when PCI error is detected - * @pdev: Pointer to PCI device - * @state: The current pci conneection state + * lpfc_io_error_detected: Driver method for handling PCI I/O error detected. + * @pdev: pointer to PCI device. + * @state: the current PCI connection state. * - * This function is called after a PCI bus error affecting - * this device has been detected. - */ + * This routine is registered to the PCI subsystem for error handling. This + * function is called by the PCI subsystem after a PCI bus error affecting + * this device has been detected. When this function is invoked, it will + * need to stop all the I/Os and interrupt(s) to the device. Once that is + * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to + * perform proper recovery as desired. + * + * Return codes + * PCI_ERS_RESULT_NEED_RESET - need to reset before recovery + * PCI_ERS_RESULT_DISCONNECT - device could not be recovered + **/ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { @@ -2376,10 +2675,21 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, } /** - * lpfc_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device + * lpfc_io_slot_reset: Restart a PCI device from scratch. + * @pdev: pointer to PCI device. + * + * This routine is registered to the PCI subsystem for error handling. This is + * called after PCI bus has been reset to restart the PCI card from scratch, + * as if from a cold-boot. During the PCI subsystem error recovery, after the + * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform + * proper error recovery and then call this routine before calling the .resume + * method to recover the device. This function will initialize the HBA device, + * enable the interrupt, but it will just put the HBA to offline state without + * passing any I/O traffic. * - * Restart the card from scratch, as if from a cold-boot. + * Return codes + * PCI_ERS_RESULT_RECOVERED - the device has been recovered + * PCI_ERS_RESULT_DISCONNECT - device could not be recovered */ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) { @@ -2440,11 +2750,13 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) } /** - * lpfc_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device + * lpfc_io_resume: Resume PCI I/O operation. + * @pdev: pointer to PCI device * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. + * This routine is registered to the PCI subsystem for error handling. It is + * called when kernel error recovery tells the lpfc driver that it is ok to + * resume normal PCI operation after PCI bus error recovery. After this call, + * traffic can start to flow from this device again. */ static void lpfc_io_resume(struct pci_dev *pdev) { @@ -2540,6 +2852,18 @@ static struct pci_driver lpfc_driver = { .err_handler = &lpfc_err_handler, }; +/** + * lpfc_init: lpfc module initialization routine. + * + * This routine is to be invoked when the lpfc module is loaded into the + * kernel. The special kernel macro module_init() is used to indicate the + * role of this routine to the kernel as lpfc module entry point. + * + * Return codes + * 0 - successful + * -ENOMEM - FC attach transport failed + * all others - failed + */ static int __init lpfc_init(void) { @@ -2573,6 +2897,13 @@ lpfc_init(void) return error; } +/** + * lpfc_exit: lpfc module removal routine. + * + * This routine is invoked when the lpfc module is removed from the kernel. + * The special kernel macro module_exit() is used to indicate the role of + * this routine to the kernel as lpfc module exit point. + */ static void __exit lpfc_exit(void) { diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 7a9be4c5b7cb..7413bfdf89a4 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -37,10 +37,20 @@ #include "lpfc_crtn.h" #include "lpfc_compat.h" -/**********************************************/ - -/* mailbox command */ -/**********************************************/ +/** + * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @offset: offset for dumping VPD memory mailbox command. + * + * The dump mailbox command provides a method for the device driver to obtain + * various types of information from the HBA device. + * + * This routine prepares the mailbox command for dumping HBA Vital Product + * Data (VPD) memory. This mailbox command is to be used for retrieving a + * portion (DMP_RSP_SIZE bytes) of a HBA's VPD from the HBA at an address + * offset specified by the offset parameter. + **/ void lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) { @@ -65,10 +75,17 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset) return; } -/**********************************************/ -/* lpfc_read_nv Issue a READ NVPARAM */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The read NVRAM mailbox command returns the HBA's non-volatile parameters + * that are used as defaults when the Fibre Channel link is brought on-line. + * + * This routine prepares the mailbox command for reading information stored + * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN. + **/ void lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -81,10 +98,19 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**********************************************/ -/* lpfc_config_async Issue a */ -/* MBX_ASYNC_EVT_ENABLE mailbox command */ -/**********************************************/ +/** + * lpfc_config_async: Prepare a mailbox command for enabling HBA async event. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @ring: ring number for the asynchronous event to be configured. + * + * The asynchronous event enable mailbox command is used to enable the + * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and + * specifies the default ring to which events are posted. + * + * This routine prepares the mailbox command for enabling HBA asynchronous + * event support on a IOCB ring. + **/ void lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t ring) @@ -99,10 +125,19 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, return; } -/**********************************************/ -/* lpfc_heart_beat Issue a HEART_BEAT */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_heart_beat: Prepare a mailbox command for heart beat. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The heart beat mailbox command is used to detect an unresponsive HBA, which + * is defined as any device where no error attention is sent and both mailbox + * and rings are not processed. + * + * This routine prepares the mailbox command for issuing a heart beat in the + * form of mailbox command to the HBA. The timely completion of the heart + * beat mailbox command indicates the health of the HBA. + **/ void lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -115,10 +150,26 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**********************************************/ -/* lpfc_read_la Issue a READ LA */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_read_la: Prepare a mailbox command for reading HBA link attention. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @mp: DMA buffer memory for reading the link attention information into. + * + * The read link attention mailbox command is issued to read the Link Event + * Attention information indicated by the HBA port when the Link Event bit + * of the Host Attention (HSTATT) register is set to 1. A Link Event + * Attention occurs based on an exception detected at the Fibre Channel link + * interface. + * + * This routine prepares the mailbox command for reading HBA link attention + * information. A DMA memory has been set aside and address passed to the + * HBA through @mp for the HBA to DMA link attention information into the + * memory as part of the execution of the mailbox command. + * + * Return codes + * 0 - Success (currently always return 0) + **/ int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) { @@ -143,10 +194,21 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp) return (0); } -/**********************************************/ -/* lpfc_clear_la Issue a CLEAR LA */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The clear link attention mailbox command is issued to clear the link event + * attention condition indicated by the Link Event bit of the Host Attention + * (HSTATT) register. The link event attention condition is cleared only if + * the event tag specified matches that of the current link event counter. + * The current event tag is read using the read link attention event mailbox + * command. + * + * This routine prepares the mailbox command for clearing HBA link attention + * information. + **/ void lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -161,10 +223,20 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**************************************************/ -/* lpfc_config_link Issue a CONFIG LINK */ -/* mailbox command */ -/**************************************************/ +/** + * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The configure link mailbox command is used before the initialize link + * mailbox command to override default value and to configure link-oriented + * parameters such as DID address and various timers. Typically, this + * command would be used after an F_Port login to set the returned DID address + * and the fabric timeout values. This command is not valid before a configure + * port command has configured the HBA port. + * + * This routine prepares the mailbox command for configuring link on a HBA. + **/ void lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -199,10 +271,20 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/**********************************************/ -/* lpfc_init_link Issue an INIT LINK */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @topology: the link topology for the link to be initialized to. + * @linkspeed: the link speed for the link to be initialized to. + * + * The initialize link mailbox command is used to initialize the Fibre + * Channel link. This command must follow a configure port command that + * establishes the mode of operation. + * + * This routine prepares the mailbox command for initializing link on a HBA + * with the specified link topology and speed. + **/ void lpfc_init_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed) @@ -269,10 +351,27 @@ lpfc_init_link(struct lpfc_hba * phba, return; } -/**********************************************/ -/* lpfc_read_sparam Issue a READ SPARAM */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @vpi: virtual N_Port identifier. + * + * The read service parameter mailbox command is used to read the HBA port + * service parameters. The service parameters are read into the buffer + * specified directly by a BDE in the mailbox command. These service + * parameters may then be used to build the payload of an N_Port/F_POrt + * login request and reply (LOGI/ACC). + * + * This routine prepares the mailbox command for reading HBA port service + * parameters. The DMA memory is allocated in this function and the addresses + * are populated into the mailbox command for the HBA to DMA the service + * parameters into. + * + * Return codes + * 0 - Success + * 1 - DMA memory allocation failed + **/ int lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) { @@ -312,10 +411,21 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) return (0); } -/********************************************/ -/* lpfc_unreg_did Issue a UNREG_DID */ -/* mailbox command */ -/********************************************/ +/** + * lpfc_unreg_did: Prepare a mailbox command for unregistering DID. + * @phba: pointer to lpfc hba data structure. + * @vpi: virtual N_Port identifier. + * @did: remote port identifier. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The unregister DID mailbox command is used to unregister an N_Port/F_Port + * login for an unknown RPI by specifying the DID of a remote port. This + * command frees an RPI context in the HBA port. This has the effect of + * performing an implicit N_Port/F_Port logout. + * + * This routine prepares the mailbox command for unregistering a remote + * N_Port/F_Port (DID) login. + **/ void lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, LPFC_MBOXQ_t * pmb) @@ -333,10 +443,19 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did, return; } -/**********************************************/ -/* lpfc_read_nv Issue a READ CONFIG */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_read_config: Prepare a mailbox command for reading HBA configuration. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The read configuration mailbox command is used to read the HBA port + * configuration parameters. This mailbox command provides a method for + * seeing any parameters that may have changed via various configuration + * mailbox commands. + * + * This routine prepares the mailbox command for reading out HBA configuration + * parameters. + **/ void lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -350,10 +469,18 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/*************************************************/ -/* lpfc_read_lnk_stat Issue a READ LINK STATUS */ -/* mailbox command */ -/*************************************************/ +/** + * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The read link status mailbox command is used to read the link status from + * the HBA. Link status includes all link-related error counters. These + * counters are maintained by the HBA and originated in the link hardware + * unit. Note that all of these counters wrap. + * + * This routine prepares the mailbox command for reading out HBA link status. + **/ void lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -367,10 +494,30 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } -/********************************************/ -/* lpfc_reg_login Issue a REG_LOGIN */ -/* mailbox command */ -/********************************************/ +/** + * lpfc_reg_login: Prepare a mailbox command for registering remote login. + * @phba: pointer to lpfc hba data structure. + * @vpi: virtual N_Port identifier. + * @did: remote port identifier. + * @param: pointer to memory holding the server parameters. + * @pmb: pointer to the driver internal queue element for mailbox command. + * @flag: action flag to be passed back for the complete function. + * + * The registration login mailbox command is used to register an N_Port or + * F_Port login. This registration allows the HBA to cache the remote N_Port + * service parameters internally and thereby make the appropriate FC-2 + * decisions. The remote port service parameters are handed off by the driver + * to the HBA using a descriptor entry that directly identifies a buffer in + * host memory. In exchange, the HBA returns an RPI identifier. + * + * This routine prepares the mailbox command for registering remote port login. + * The function allocates DMA buffer for passing the service parameters to the + * HBA with the mailbox command. + * + * Return codes + * 0 - Success + * 1 - DMA memory allocation failed + **/ int lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag) @@ -418,10 +565,20 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, return (0); } -/**********************************************/ -/* lpfc_unreg_login Issue a UNREG_LOGIN */ -/* mailbox command */ -/**********************************************/ +/** + * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login. + * @phba: pointer to lpfc hba data structure. + * @vpi: virtual N_Port identifier. + * @rpi: remote port identifier + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The unregistration login mailbox command is used to unregister an N_Port + * or F_Port login. This command frees an RPI context in the HBA. It has the + * effect of performing an implicit N_Port/F_Port logout. + * + * This routine prepares the mailbox command for unregistering remote port + * login. + **/ void lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, LPFC_MBOXQ_t * pmb) @@ -440,10 +597,21 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi, return; } -/**************************************************/ -/* lpfc_reg_vpi Issue a REG_VPI */ -/* mailbox command */ -/**************************************************/ +/** + * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier. + * @phba: pointer to lpfc hba data structure. + * @vpi: virtual N_Port identifier. + * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port). + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The registration vport identifier mailbox command is used to activate a + * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the + * N_Port_ID against the information in the selected virtual N_Port context + * block and marks it active to allow normal processing of IOCB commands and + * received unsolicited exchanges. + * + * This routine prepares the mailbox command for registering a virtual N_Port. + **/ void lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, LPFC_MBOXQ_t *pmb) @@ -461,10 +629,22 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid, } -/**************************************************/ -/* lpfc_unreg_vpi Issue a UNREG_VNPI */ -/* mailbox command */ -/**************************************************/ +/** + * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id. + * @phba: pointer to lpfc hba data structure. + * @vpi: virtual N_Port identifier. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The unregistration vport identifier mailbox command is used to inactivate + * a virtual N_Port. The driver must have logged out and unregistered all + * remote N_Ports to abort any activity on the virtual N_Port. The HBA will + * unregisters any default RPIs associated with the specified vpi, aborting + * any active exchanges. The HBA will post the mailbox response after making + * the virtual N_Port inactive. + * + * This routine prepares the mailbox command for unregistering a virtual + * N_Port. + **/ void lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) { @@ -479,6 +659,13 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb) } +/** + * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB) + * @phba: pointer to lpfc hba data structure. + * + * This routine sets up and initializes the IOCB rings in the Port Control + * Block (PCB). + **/ static void lpfc_config_pcb_setup(struct lpfc_hba * phba) { @@ -536,6 +723,20 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) } } +/** + * lpfc_read_rev: Prepare a mailbox command for reading HBA revision. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The read revision mailbox command is used to read the revision levels of + * the HBA components. These components include hardware units, resident + * firmware, and available firmware. HBAs that supports SLI-3 mode of + * operation provide different response information depending on the version + * requested by the driver. + * + * This routine prepares the mailbox command for reading HBA revision + * information. + **/ void lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -548,6 +749,16 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } +/** + * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2. + * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. + * @hbq_desc: pointer to the HBQ selection profile descriptor. + * + * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA + * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs + * the Sequence Length Test using the fields in the Selection Profile 2 + * extension in words 20:31. + **/ static void lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) @@ -557,6 +768,16 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb, hbqmb->profiles.profile2.seqlenoff = hbq_desc->seqlenoff; } +/** + * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3. + * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. + * @hbq_desc: pointer to the HBQ selection profile descriptor. + * + * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA + * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs + * the Sequence Length Test and Byte Field Test using the fields in the + * Selection Profile 3 extension in words 20:31. + **/ static void lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) @@ -569,6 +790,17 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb, sizeof(hbqmb->profiles.profile3.cmdmatch)); } +/** + * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5. + * @hbqmb: pointer to the HBQ configuration data structure in mailbox command. + * @hbq_desc: pointer to the HBQ selection profile descriptor. + * + * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The + * HBA tests the initial frame of an incoming sequence using the frame's + * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test + * and Byte Field Test using the fields in the Selection Profile 5 extension + * words 20:31. + **/ static void lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, struct lpfc_hbq_init *hbq_desc) @@ -581,6 +813,20 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb, sizeof(hbqmb->profiles.profile5.cmdmatch)); } +/** + * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ. + * @phba: pointer to lpfc hba data structure. + * @id: HBQ identifier. + * @hbq_desc: pointer to the HBA descriptor data structure. + * @hbq_entry_index: index of the HBQ entry data structures. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The configure HBQ (Host Buffer Queue) mailbox command is used to configure + * an HBQ. The configuration binds events that require buffers to a particular + * ring and HBQ based on a selection profile. + * + * This routine prepares the mailbox command for configuring an HBQ. + **/ void lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, struct lpfc_hbq_init *hbq_desc, @@ -641,8 +887,23 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id, return; } - - +/** + * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring. + * @phba: pointer to lpfc hba data structure. + * @ring: + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The configure ring mailbox command is used to configure an IOCB ring. This + * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the + * ring. This is used to map incoming sequences to a particular ring whose + * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not + * attempt to configure a ring whose number is greater than the number + * specified in the Port Control Block (PCB). It is an error to issue the + * configure ring command more than once with the same ring number. The HBA + * returns an error if the driver attempts this. + * + * This routine prepares the mailbox command for configuring IOCB ring. + **/ void lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) { @@ -684,6 +945,20 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb) return; } +/** + * lpfc_config_port: Prepare a mailbox command for configuring port. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The configure port mailbox command is used to identify the Port Control + * Block (PCB) in the driver memory. After this command is issued, the + * driver must not access the mailbox in the HBA without first resetting + * the HBA. The HBA may copy the PCB information to internal storage for + * subsequent use; the driver can not change the PCB information unless it + * resets the HBA. + * + * This routine prepares the mailbox command for configuring port. + **/ void lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { @@ -839,6 +1114,21 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) sizeof(PCB_t)); } +/** + * lpfc_kill_board: Prepare a mailbox command for killing board. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The kill board mailbox command is used to tell firmware to perform a + * graceful shutdown of a channel on a specified board to prepare for reset. + * When the kill board mailbox command is received, the ER3 bit is set to 1 + * in the Host Status register and the ER Attention bit is set to 1 in the + * Host Attention register of the HBA function that received the kill board + * command. + * + * This routine prepares the mailbox command for killing the board in + * preparation for a graceful shutdown. + **/ void lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) { @@ -850,6 +1140,16 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } +/** + * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue. + * @phba: pointer to lpfc hba data structure. + * @mbq: pointer to the driver internal queue element for mailbox command. + * + * Driver maintains a internal mailbox command queue implemented as a linked + * list. When a mailbox command is issued, it shall be put into the mailbox + * command queue such that they shall be processed orderly as HBA can process + * one mailbox command at a time. + **/ void lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) { @@ -864,6 +1164,20 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) return; } +/** + * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue. + * @phba: pointer to lpfc hba data structure. + * + * Driver maintains a internal mailbox command queue implemented as a linked + * list. When a mailbox command is issued, it shall be put into the mailbox + * command queue such that they shall be processed orderly as HBA can process + * one mailbox command at a time. After HBA finished processing a mailbox + * command, the driver will remove a pending mailbox command from the head of + * the mailbox command queue and send to the HBA for processing. + * + * Return codes + * pointer to the driver internal queue element for mailbox command. + **/ LPFC_MBOXQ_t * lpfc_mbox_get(struct lpfc_hba * phba) { @@ -877,6 +1191,17 @@ lpfc_mbox_get(struct lpfc_hba * phba) return mbq; } +/** + * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list. + * @phba: pointer to lpfc hba data structure. + * @mbq: pointer to the driver internal queue element for mailbox command. + * + * This routine put the completed mailbox command into the mailbox command + * complete list. This routine is called from driver interrupt handler + * context.The mailbox complete list is used by the driver worker thread + * to process mailbox complete callback functions outside the driver interrupt + * handler. + **/ void lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) { @@ -887,6 +1212,17 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq) return; } +/** + * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value. + * @phba: pointer to lpfc hba data structure. + * @cmd: mailbox command code. + * + * This routine retrieves the proper timeout value according to the mailbox + * command code. + * + * Return codes + * Timeout value to be used for the given mailbox command + **/ int lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd) { diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 3c0cebc71800..50d9136a6e04 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -39,7 +39,21 @@ #define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */ - +/** + * lpfc_mem_alloc: create and allocate all PCI and memory pools + * @phba: HBA to allocate pools for + * + * Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool, + * lpfc_mbuf_pool, lpfc_hbq_pool. Creates and allocates kmalloc-backed mempools + * for LPFC_MBOXQ_t and lpfc_nodelist. Also allocates the VPI bitmask. + * + * Notes: Not interrupt-safe. Must be called with no locks held. If any + * allocation fails, frees all successfully allocated memory before returning. + * + * Returns: + * 0 on success + * -ENOMEM on failure (if any memory allocations fail) + **/ int lpfc_mem_alloc(struct lpfc_hba * phba) { @@ -120,6 +134,16 @@ lpfc_mem_alloc(struct lpfc_hba * phba) return -ENOMEM; } +/** + * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc + * @phba: HBA to free memory for + * + * Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool, + * lpfc_hbq_pool. Frees kmalloc-backed mempools for LPFC_MBOXQ_t and + * lpfc_nodelist. Also frees the VPI bitmask. + * + * Returns: None + **/ void lpfc_mem_free(struct lpfc_hba * phba) { @@ -181,12 +205,29 @@ lpfc_mem_free(struct lpfc_hba * phba) phba->lpfc_scsi_dma_buf_pool = NULL; phba->lpfc_mbuf_pool = NULL; - /* Free the iocb lookup array */ + /* Free the iocb lookup array */ kfree(psli->iocbq_lookup); psli->iocbq_lookup = NULL; - } +/** + * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool + * @phba: HBA which owns the pool to allocate from + * @mem_flags: indicates if this is a priority (MEM_PRI) allocation + * @handle: used to return the DMA-mapped address of the mbuf + * + * Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool. + * Allocates from generic pci_pool_alloc function first and if that fails and + * mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the + * HBA's pool. + * + * Notes: Not interrupt-safe. Must be called with no locks held. Takes + * phba->hbalock. + * + * Returns: + * pointer to the allocated mbuf on success + * NULL on failure + **/ void * lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) { @@ -206,6 +247,20 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) return ret; } +/** + * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked) + * @phba: HBA which owns the pool to return to + * @virt: mbuf to free + * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed + * + * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if + * it is below its max_count, frees the mbuf otherwise. + * + * Notes: Must be called with phba->hbalock held to synchronize access to + * lpfc_mbuf_safety_pool. + * + * Returns: None + **/ void __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { @@ -221,7 +276,21 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) return; } +/** + * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked) + * @phba: HBA which owns the pool to return to + * @virt: mbuf to free + * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed + * + * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if + * it is below its max_count, frees the mbuf otherwise. + * + * Notes: Takes phba->hbalock. Can be called with or without other locks held. + * + * Returns: None + **/ void + lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { unsigned long iflags; @@ -232,6 +301,19 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) return; } +/** + * lpfc_els_hbq_alloc: Allocate an HBQ buffer + * @phba: HBA to allocate HBQ buffer for + * + * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI + * pool along a non-DMA-mapped container for it. + * + * Notes: Not interrupt-safe. Must be called with no locks held. + * + * Returns: + * pointer to HBQ on success + * NULL on failure + **/ struct hbq_dmabuf * lpfc_els_hbq_alloc(struct lpfc_hba *phba) { @@ -251,6 +333,18 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba) return hbqbp; } +/** + * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc + * @phba: HBA buffer was allocated for + * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc + * + * Description: Frees both the container and the DMA-mapped buffer returned by + * lpfc_els_hbq_alloc. + * + * Notes: Can be called with or without locks held. + * + * Returns: None + **/ void lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) { @@ -259,7 +353,18 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp) return; } -/* This is ONLY called for the LPFC_ELS_HBQ */ +/** + * lpfc_in_buf_free: Free a DMA buffer + * @phba: HBA buffer is associated with + * @mp: Buffer to free + * + * Description: Frees the given DMA buffer in the appropriate way given if the + * HBA is running in SLI3 mode with HBQs enabled. + * + * Notes: Takes phba->hbalock. Can be called with or without other locks held. + * + * Returns: None + **/ void lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp) { diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 50fe07646738..3cf488496d86 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -66,10 +66,16 @@ typedef enum _lpfc_iocb_type { LPFC_ABORT_IOCB } lpfc_iocb_type; - /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer - * to the start of the ring, and the slot number of the - * desired iocb entry, calc a pointer to that entry. - */ +/** + * lpfc_cmd_iocb: Get next command iocb entry in the ring. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function returns pointer to next command iocb entry + * in the command ring. The caller must hold hbalock to prevent + * other threads consume the next command iocb. + * SLI-2/SLI-3 provide different sized iocbs. + **/ static inline IOCB_t * lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -77,6 +83,16 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) pring->cmdidx * phba->iocb_cmd_size); } +/** + * lpfc_resp_iocb: Get next response iocb entry in the ring. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function returns pointer to next response iocb entry + * in the response ring. The caller must hold hbalock to make sure + * that no other thread consume the next response iocb. + * SLI-2/SLI-3 provide different sized iocbs. + **/ static inline IOCB_t * lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -84,6 +100,15 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) pring->rspidx * phba->iocb_rsp_size); } +/** + * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * @phba: Pointer to HBA context object. + * + * This function is called with hbalock held. This function + * allocates a new driver iocb object from the iocb pool. If the + * allocation is successful, it returns pointer to the newly + * allocated iocb object else it returns NULL. + **/ static struct lpfc_iocbq * __lpfc_sli_get_iocbq(struct lpfc_hba *phba) { @@ -94,6 +119,15 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba) return iocbq; } +/** + * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool. + * @phba: Pointer to HBA context object. + * + * This function is called with no lock held. This function + * allocates a new driver iocb object from the iocb pool. If the + * allocation is successful, it returns pointer to the newly + * allocated iocb object else it returns NULL. + **/ struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *phba) { @@ -106,6 +140,16 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba) return iocbq; } +/** + * __lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * @phba: Pointer to HBA context object. + * @iocbq: Pointer to driver iocb object. + * + * This function is called with hbalock held to release driver + * iocb object to the iocb pool. The iotag in the iocb object + * does not change for each use of the iocb object. This function + * clears all other fields of the iocb object when it is freed. + **/ static void __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { @@ -118,6 +162,14 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); } +/** + * lpfc_sli_release_iocbq: Release iocb to the iocb pool. + * @phba: Pointer to HBA context object. + * @iocbq: Pointer to driver iocb object. + * + * This function is called with no lock held to release the iocb to + * iocb pool. + **/ void lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { @@ -131,10 +183,21 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) spin_unlock_irqrestore(&phba->hbalock, iflags); } -/* - * Translate the iocb command to an iocb command type used to decide the final - * disposition of each completed IOCB. - */ +/** + * lpfc_sli_iocb_cmd_type: Get the iocb type. + * @iocb_cmnd : iocb command code. + * + * This function is called by ring event handler function to get the iocb type. + * This function translates the iocb command to an iocb command type used to + * decide the final disposition of each completed IOCB. + * The function returns + * LPFC_UNKNOWN_IOCB if it is an unsupported iocb + * LPFC_SOL_IOCB if it is a solicited iocb completion + * LPFC_ABORT_IOCB if it is an abort iocb + * LPFC_UNSOL_IOCB if it is an unsolicited iocb + * + * The caller is not required to hold any lock. + **/ static lpfc_iocb_type lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) { @@ -230,6 +293,17 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) return type; } +/** + * lpfc_sli_ring_map: Issue config_ring mbox for all rings. + * @phba: Pointer to HBA context object. + * + * This function is called from SLI initialization code + * to configure every ring of the HBA's SLI interface. The + * caller is not required to hold any lock. This function issues + * a config_ring mailbox command for each ring. + * This function returns zero if successful else returns a negative + * error code. + **/ static int lpfc_sli_ring_map(struct lpfc_hba *phba) { @@ -262,6 +336,18 @@ lpfc_sli_ring_map(struct lpfc_hba *phba) return ret; } +/** + * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @piocb: Pointer to the driver iocb object. + * + * This function is called with hbalock held. The function adds the + * new iocb to txcmplq of the given ring. This function always returns + * 0. If this function is called for ELS ring, this function checks if + * there is a vport associated with the ELS command. This function also + * starts els_tmofunc timer if this is an ELS command. + **/ static int lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb) @@ -282,6 +368,16 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 0; } +/** + * lpfc_sli_ringtx_get: Get first element of the txq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function is called with hbalock held to get next + * iocb in txq of the given ring. If there is any iocb in + * the txq, the function returns first iocb in the list after + * removing the iocb from the list, else it returns NULL. + **/ static struct lpfc_iocbq * lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -293,6 +389,20 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return cmd_iocb; } +/** + * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function is called with hbalock held and the caller must post the + * iocb without releasing the lock. If the caller releases the lock, + * iocb slot returned by the function is not guaranteed to be available. + * The function returns pointer to the next available iocb slot if there + * is available slot in the ring, else it returns NULL. + * If the get index of the ring is ahead of the put index, the function + * will post an error attention event to the worker thread to take the + * HBA to offline state. + **/ static IOCB_t * lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -336,6 +446,18 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return lpfc_cmd_iocb(phba, pring); } +/** + * lpfc_sli_next_iotag: Get an iotag for the iocb. + * @phba: Pointer to HBA context object. + * @iocbq: Pointer to driver iocb object. + * + * This function gets an iotag for the iocb. If there is no unused iotag and + * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup + * array and assigns a new iotag. + * The function returns the allocated iotag if successful, else returns zero. + * Zero is not a valid iotag. + * The caller is not required to hold any lock. + **/ uint16_t lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { @@ -399,6 +521,20 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) return 0; } +/** + * lpfc_sli_submit_iocb: Submit an iocb to the firmware. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @iocb: Pointer to iocb slot in the ring. + * @nextiocb: Pointer to driver iocb object which need to be + * posted to firmware. + * + * This function is called with hbalock held to post a new iocb to + * the firmware. This function copies the new iocb to ring iocb slot and + * updates the ring pointers. It adds the new iocb to txcmplq if there is + * a completion call back for this iocb else the function will free the + * iocb object. + **/ static void lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, IOCB_t *iocb, struct lpfc_iocbq *nextiocb) @@ -441,6 +577,18 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); } +/** + * lpfc_sli_update_full_ring: Update the chip attention register. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * The caller is not required to hold any lock for calling this function. + * This function updates the chip attention bits for the ring to inform firmware + * that there are pending work to be done for this ring and requests an + * interrupt when there is space available in the ring. This function is + * called when the driver is unable to post more iocbs to the ring due + * to unavailability of space in the ring. + **/ static void lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -460,6 +608,15 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) pring->stats.iocb_cmd_full++; } +/** + * lpfc_sli_update_ring: Update chip attention register. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function updates the chip attention register bit for the + * given ring to inform HBA that there is more work to be done + * in this ring. The caller is not required to hold any lock. + **/ static void lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -473,6 +630,15 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) readl(phba->CAregaddr); /* flush */ } +/** + * lpfc_sli_resume_iocb: Process iocbs in the txq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function is called with hbalock held to post pending iocbs + * in the txq to the firmware. This function is called when driver + * detects space available in the ring. + **/ static void lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -504,6 +670,16 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return; } +/** + * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ. + * @phba: Pointer to HBA context object. + * @hbqno: HBQ number. + * + * This function is called with hbalock held to get the next + * available slot for the given HBQ. If there is free slot + * available for the HBQ it will return pointer to the next available + * HBQ entry else it will return NULL. + **/ static struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) { @@ -539,6 +715,15 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) hbqp->hbqPutIdx; } +/** + * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers. + * @phba: Pointer to HBA context object. + * + * This function is called with no lock held to free all the + * hbq buffers while uninitializing the SLI interface. It also + * frees the HBQ buffers returned by the firmware but not yet + * processed by the upper layers. + **/ void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) { @@ -584,6 +769,18 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) spin_unlock_irqrestore(&phba->hbalock, flags); } +/** + * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware. + * @phba: Pointer to HBA context object. + * @hbqno: HBQ number. + * @hbq_buf: Pointer to HBQ buffer. + * + * This function is called with the hbalock held to post a + * hbq buffer to the firmware. If the function finds an empty + * slot in the HBQ, it will post the buffer. The function will return + * pointer to the hbq entry if it successfully post the buffer + * else it will return NULL. + **/ static struct lpfc_hbq_entry * lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, struct hbq_dmabuf *hbq_buf) @@ -612,6 +809,7 @@ lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, return hbqe; } +/* HBQ for ELS and CT traffic. */ static struct lpfc_hbq_init lpfc_els_hbq = { .rn = 1, .entry_count = 200, @@ -623,6 +821,7 @@ static struct lpfc_hbq_init lpfc_els_hbq = { .add_count = 5, }; +/* HBQ for the extra ring if needed */ static struct lpfc_hbq_init lpfc_extra_hbq = { .rn = 1, .entry_count = 200, @@ -634,11 +833,22 @@ static struct lpfc_hbq_init lpfc_extra_hbq = { .add_count = 5, }; +/* Array of HBQs */ struct lpfc_hbq_init *lpfc_hbq_defs[] = { &lpfc_els_hbq, &lpfc_extra_hbq, }; +/** + * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ. + * @phba: Pointer to HBA context object. + * @hbqno: HBQ number. + * @count: Number of HBQ buffers to be posted. + * + * This function is called with no lock held to post more + * hbq buffers to the given HBQ. The function returns 0 + * when successful and returns 1 other wise. + **/ static int lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) { @@ -679,6 +889,15 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) return 1; } +/** + * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware. + * @phba: Pointer to HBA context object. + * @qno: HBQ number. + * + * This function posts more buffers to the HBQ. This function + * is called with no lock held. The function returns 0 when + * successful and returns 1 otherwise. + **/ int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) { @@ -686,6 +905,15 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) lpfc_hbq_defs[qno]->add_count)); } +/** + * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ. + * @phba: Pointer to HBA context object. + * @qno: HBQ queue number. + * + * This function is called from SLI initialization code path with + * no lock held to post initial HBQ buffers to firmware. The + * function returns 0 when successful and returns 1 otherwise. + **/ static int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) { @@ -693,6 +921,16 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) lpfc_hbq_defs[qno]->init_count)); } +/** + * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag. + * @phba: Pointer to HBA context object. + * @tag: Tag of the hbq buffer. + * + * This function is called with hbalock held. This function searches + * for the hbq buffer associated with the given tag in the hbq buffer + * list. If it finds the hbq buffer, it returns the hbq_buffer other wise + * it returns NULL. + **/ static struct hbq_dmabuf * lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) { @@ -716,6 +954,15 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) return NULL; } +/** + * lpfc_sli_free_hbq: Give back the hbq buffer to firmware. + * @phba: Pointer to HBA context object. + * @hbq_buffer: Pointer to HBQ buffer. + * + * This function is called with hbalock. This function gives back + * the hbq buffer to firmware. If the HBQ does not have space to + * post the buffer, it will free the buffer. + **/ void lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) { @@ -729,6 +976,15 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) } } +/** + * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox. + * @mbxCommand: mailbox command code. + * + * This function is called by the mailbox event handler function to verify + * that the completed mailbox command is a legitimate mailbox command. If the + * completed mailbox is not known to the function, it will return MBX_SHUTDOWN + * and the mailbox event handler will take the HBA offline. + **/ static int lpfc_sli_chk_mbx_command(uint8_t mbxCommand) { @@ -793,6 +1049,19 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) } return ret; } + +/** + * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from + * lpfc_sli_issue_mbox_wait. + * @phba: Pointer to HBA context object. + * @pmboxq: Pointer to mailbox command. + * + * This is completion handler function for mailbox commands issued from + * lpfc_sli_issue_mbox_wait function. This function is called by the + * mailbox event handler function with no lock held. This function + * will wake up thread waiting on the wait queue pointed by context1 + * of the mailbox. + **/ static void lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) { @@ -812,6 +1081,17 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) return; } + +/** + * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler. + * @phba: Pointer to HBA context object. + * @pmb: Pointer to mailbox object. + * + * This function is the default mailbox completion handler. It + * frees the memory resources associated with the completed mailbox + * command. If the completed command is a REG_LOGIN mailbox command, + * this function will issue a UREG_LOGIN to re-claim the RPI. + **/ void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { @@ -846,6 +1126,19 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } +/** + * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware. + * @phba: Pointer to HBA context object. + * + * This function is called with no lock held. This function processes all + * the completed mailbox commands and gives it to upper layers. The interrupt + * service routine processes mailbox completion interrupt and adds completed + * mailbox commands to the mboxq_cmpl queue and signals the worker thread. + * Worker thread call lpfc_sli_handle_mb_event, which will return the + * completed mailbox commands in mboxq_cmpl queue to the upper layers. This + * function returns the mailbox commands to the upper layer by calling the + * completion handler function of each mailbox. + **/ int lpfc_sli_handle_mb_event(struct lpfc_hba *phba) { @@ -953,6 +1246,16 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_replace_hbqbuff: Replace the HBQ buffer with a new buffer. + * @phba: Pointer to HBA context object. + * @tag: Tag for the HBQ buffer. + * + * This function is called from unsolicited event handler code path to get the + * HBQ buffer associated with an unsolicited iocb. This function is called with + * no lock held. It returns the buffer associated with the given tag and posts + * another buffer to the firmware. + **/ static struct lpfc_dmabuf * lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) { @@ -997,6 +1300,18 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) return &new_hbq_entry->dbuf; } +/** + * lpfc_sli_get_buff: Get the buffer associated with the buffer tag. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @tag: buffer tag. + * + * This function is called with no lock held. When QUE_BUFTAG_BIT bit + * is set in the tag the buffer is posted for a particular exchange, + * the function will return the buffer without replacing the buffer. + * If the buffer is for unsolicited ELS or CT traffic, this function + * returns the buffer and also posts another buffer to the firmware. + **/ static struct lpfc_dmabuf * lpfc_sli_get_buff(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, @@ -1008,6 +1323,21 @@ lpfc_sli_get_buff(struct lpfc_hba *phba, return lpfc_sli_replace_hbqbuff(phba, tag); } + +/** + * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @saveq: Pointer to the unsolicited iocb. + * + * This function is called with no lock held by the ring event handler + * when there is an unsolicited iocb posted to the response ring by the + * firmware. This function gets the buffer associated with the iocbs + * and calls the event handler for the ring. This function handles both + * qring buffers and hbq buffers. + * When the function returns 1 the caller can free the iocb object otherwise + * upper layer functions will free the iocb objects. + **/ static int lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *saveq) @@ -1192,6 +1522,18 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 1; } +/** + * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @prspiocb: Pointer to response iocb object. + * + * This function looks up the iocb_lookup table to get the command iocb + * corresponding to the given response iocb using the iotag of the + * response iocb. This function is called with the hbalock held. + * This function returns the command iocb object if it finds the command + * iocb else returns NULL. + **/ static struct lpfc_iocbq * lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, @@ -1217,6 +1559,23 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, return NULL; } +/** + * lpfc_sli_process_sol_iocb: process solicited iocb completion. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @saveq: Pointer to the response iocb to be processed. + * + * This function is called by the ring event handler for non-fcp + * rings when there is a new response iocb in the response ring. + * The caller is not required to hold any locks. This function + * gets the command iocb associated with the response iocb and + * calls the completion handler for the command iocb. If there + * is no completion handler, the function will free the resources + * associated with command iocb. If the response iocb is for + * an already aborted command iocb, the status of the completion + * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. + * This function always returns 1. + **/ static int lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *saveq) @@ -1282,6 +1641,16 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return rc; } +/** + * lpfc_sli_rsp_pointers_error: Response ring pointer error handler. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function is called from the iocb ring event handlers when + * put pointer is ahead of the get pointer for a ring. This function signal + * an error attention condition to the worker thread and the worker + * thread will transition the HBA to offline state. + **/ static void lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -1312,6 +1681,21 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return; } +/** + * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode. + * @phba: Pointer to HBA context object. + * + * This function is called from lpfc_queuecommand, lpfc_poll_timeout, + * lpfc_abort_handler and lpfc_slave_configure when FCP_RING_POLLING + * is enabled. + * + * The caller does not hold any lock. + * The function processes each response iocb in the response ring until it + * finds an iocb with LE bit set and chains all the iocbs upto the iocb with + * LE bit set. The function will call the completion handler of the command iocb + * if the response iocb indicates a completion for a command iocb or it is + * an abort completion. + **/ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) { struct lpfc_sli *psli = &phba->sli; @@ -1465,10 +1849,23 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) return; } -/* +/** + * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @mask: Host attention register mask for this ring. + * + * This function is called from the interrupt context when there is a ring + * event for the fcp ring. The caller does not hold any lock. + * The function processes each response iocb in the response ring until it + * finds an iocb with LE bit set and chains all the iocbs upto the iocb with + * LE bit set. The function will call the completion handler of the command iocb + * if the response iocb indicates a completion for a command iocb or it is + * an abort completion. The function will call lpfc_sli_process_unsol_iocb + * function if this is an unsolicited iocb. * This routine presumes LPFC_FCP_RING handling and doesn't bother - * to check it explicitly. - */ + * to check it explicitly. This function always returns 1. + **/ static int lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask) @@ -1646,6 +2043,23 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, return rc; } +/** + * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @mask: Host attention register mask for this ring. + * + * This function is called from the worker thread when there is a ring + * event for non-fcp rings. The caller does not hold any lock . + * The function processes each response iocb in the response ring until it + * finds an iocb with LE bit set and chains all the iocbs upto the iocb with + * LE bit set. The function will call lpfc_sli_process_sol_iocb function if the + * response iocb indicates a completion of a command iocb. The function + * will call lpfc_sli_process_unsol_iocb function if this is an unsolicited + * iocb. The function frees the resources or calls the completion handler if + * this iocb is an abort completion. The function returns 0 when the allocated + * iocbs are not freed, otherwise returns 1. + **/ int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask) @@ -1904,6 +2318,16 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, return rc; } +/** + * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * + * This function aborts all iocbs in the given ring and frees all the iocb + * objects in txq. This function issues an abort iocb for all the iocb commands + * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before + * the return of this function. The caller is not required to hold any locks. + **/ void lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { @@ -1943,6 +2367,19 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } } +/** + * lpfc_sli_brdready: Check for host status bits. + * @phba: Pointer to HBA context object. + * @mask: Bit mask to be checked. + * + * This function reads the host status register and compares + * with the provided bit mask to check if HBA completed + * the restart. This function will wait in a loop for the + * HBA to complete restart. If the HBA does not restart within + * 15 iterations, the function will reset the HBA again. The + * function returns 1 when HBA fail to restart otherwise returns + * zero. + **/ int lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) { @@ -1990,6 +2427,13 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) #define BARRIER_TEST_PATTERN (0xdeadbeef) +/** + * lpfc_reset_barrier: Make HBA ready for HBA reset. + * @phba: Pointer to HBA context object. + * + * This function is called before resetting an HBA. This + * function requests HBA to quiesce DMAs before a reset. + **/ void lpfc_reset_barrier(struct lpfc_hba *phba) { uint32_t __iomem *resp_buf; @@ -2063,6 +2507,17 @@ restore_hc: readl(phba->HCregaddr); /* flush */ } +/** + * lpfc_sli_brdkill: Issue a kill_board mailbox command. + * @phba: Pointer to HBA context object. + * + * This function issues a kill_board mailbox command and waits for + * the error attention interrupt. This function is called for stopping + * the firmware processing. The caller is not required to hold any + * locks. This function calls lpfc_hba_down_post function to free + * any pending commands after the kill. The function will return 1 when it + * fails to kill the board else will return 0. + **/ int lpfc_sli_brdkill(struct lpfc_hba *phba) { @@ -2139,6 +2594,17 @@ lpfc_sli_brdkill(struct lpfc_hba *phba) return ha_copy & HA_ERATT ? 0 : 1; } +/** + * lpfc_sli_brdreset: Reset the HBA. + * @phba: Pointer to HBA context object. + * + * This function resets the HBA by writing HC_INITFF to the control + * register. After the HBA resets, this function resets all the iocb ring + * indices. This function disables PCI layer parity checking during + * the reset. + * This function returns 0 always. + * The caller is not required to hold any locks. + **/ int lpfc_sli_brdreset(struct lpfc_hba *phba) { @@ -2191,6 +2657,19 @@ lpfc_sli_brdreset(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_brdrestart: Restart the HBA. + * @phba: Pointer to HBA context object. + * + * This function is called in the SLI initialization code path to + * restart the HBA. The caller is not required to hold any lock. + * This function writes MBX_RESTART mailbox command to the SLIM and + * resets the HBA. At the end of the function, it calls lpfc_hba_down_post + * function to free any pending commands. The function enables + * POST only during the first initialization. The function returns zero. + * The function does not guarantee completion of MBX_RESTART mailbox + * command before the return of this function. + **/ int lpfc_sli_brdrestart(struct lpfc_hba *phba) { @@ -2251,6 +2730,16 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart. + * @phba: Pointer to HBA context object. + * + * This function is called after a HBA restart to wait for successful + * restart of the HBA. Successful restart of the HBA is indicated by + * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 + * iteration, the function will restart the HBA again. The function returns + * zero if HBA successfully restarted else returns negative error code. + **/ static int lpfc_sli_chipset_init(struct lpfc_hba *phba) { @@ -2336,12 +2825,25 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_hbq_count: Get the number of HBQs to be configured. + * + * This function calculates and returns the number of HBQs required to be + * configured. + **/ int lpfc_sli_hbq_count(void) { return ARRAY_SIZE(lpfc_hbq_defs); } +/** + * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries. + * + * This function adds the number of hbq entries in every HBQ to get + * the total number of hbq entries required for the HBA and returns + * the total count. + **/ static int lpfc_sli_hbq_entry_count(void) { @@ -2354,12 +2856,27 @@ lpfc_sli_hbq_entry_count(void) return count; } +/** + * lpfc_sli_hbq_size: Calculate memory required for all hbq entries. + * + * This function calculates amount of memory required for all hbq entries + * to be configured and returns the total memory required. + **/ int lpfc_sli_hbq_size(void) { return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); } +/** + * lpfc_sli_hbq_setup: configure and initialize HBQs. + * @phba: Pointer to HBA context object. + * + * This function is called during the SLI initialization to configure + * all the HBQs and post buffers to the HBQ. The caller is not + * required to hold any locks. This function will return zero if successful + * else it will return negative error code. + **/ static int lpfc_sli_hbq_setup(struct lpfc_hba *phba) { @@ -2422,6 +2939,19 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) return 0; } +/** + * lpfc_do_config_port: Issue config port mailbox command. + * @phba: Pointer to HBA context object. + * @sli_mode: sli mode - 2/3 + * + * This function is called by the sli intialization code path + * to issue config_port mailbox command. This function restarts the + * HBA firmware and issues a config_port mailbox command to configure + * the SLI interface in the sli mode specified by sli_mode + * variable. The caller is not required to hold any locks. + * The function returns 0 if successful, else returns negative error + * code. + **/ static int lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) { @@ -2500,6 +3030,20 @@ do_prep_failed: return rc; } + +/** + * lpfc_sli_hba_setup: SLI intialization function. + * @phba: Pointer to HBA context object. + * + * This function is the main SLI intialization function. This function + * is called by the HBA intialization code, HBA reset code and HBA + * error attention handler code. Caller is not required to hold any + * locks. This function issues config_port mailbox command to configure + * the SLI, setup iocb rings and HBQ rings. In the end the function + * calls the config_port_post function to issue init_link mailbox + * command and to start the discovery. The function will return zero + * if successful, else it will return negative error code. + **/ int lpfc_sli_hba_setup(struct lpfc_hba *phba) { @@ -2581,19 +3125,19 @@ lpfc_sli_hba_setup_error: return rc; } -/*! lpfc_mbox_timeout - * - * \pre - * \post - * \param hba Pointer to per struct lpfc_hba structure - * \param l1 Pointer to the driver's mailbox queue. - * \return - * void - * - * \b Description: + +/** + * lpfc_mbox_timeout: Timeout call back function for mbox timer. + * @ptr: context object - pointer to hba structure. * - * This routine handles mailbox timeout events at timer interrupt context. - */ + * This is the callback function for mailbox timer. The mailbox + * timer is armed when a new mailbox command is issued and the timer + * is deleted when the mailbox complete. The function is called by + * the kernel timer code when a mailbox does not complete within + * expected time. This function wakes up the worker thread to + * process the mailbox timeout and returns. All the processing is + * done by the worker thread function lpfc_mbox_timeout_handler. + **/ void lpfc_mbox_timeout(unsigned long ptr) { @@ -2612,6 +3156,15 @@ lpfc_mbox_timeout(unsigned long ptr) return; } + +/** + * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout. + * @phba: Pointer to HBA context object. + * + * This function is called from worker thread when a mailbox command times out. + * The caller is not required to hold any locks. This function will reset the + * HBA and recover all the pending commands. + **/ void lpfc_mbox_timeout_handler(struct lpfc_hba *phba) { @@ -2666,6 +3219,32 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) return; } +/** + * lpfc_sli_issue_mbox: Issue a mailbox command to firmware. + * @phba: Pointer to HBA context object. + * @pmbox: Pointer to mailbox object. + * @flag: Flag indicating how the mailbox need to be processed. + * + * This function is called by discovery code and HBA management code + * to submit a mailbox command to firmware. This function gets the + * hbalock to protect the data structures. + * The mailbox command can be submitted in polling mode, in which case + * this function will wait in a polling loop for the completion of the + * mailbox. + * If the mailbox is submitted in no_wait mode (not polling) the + * function will submit the command and returns immediately without waiting + * for the mailbox completion. The no_wait is supported only when HBA + * is in SLI2/SLI3 mode - interrupts are enabled. + * The SLI interface allows only one mailbox pending at a time. If the + * mailbox is issued in polling mode and there is already a mailbox + * pending, then the function will return an error. If the mailbox is issued + * in NO_WAIT mode and there is a mailbox pending already, the function + * will return MBX_BUSY after queuing the mailbox into mailbox queue. + * The sli layer owns the mailbox object until the completion of mailbox + * command if this function return MBX_BUSY or MBX_SUCCESS. For all other + * return codes the caller owns the mailbox command after the return of + * the function. + **/ int lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) { @@ -2980,9 +3559,16 @@ out_not_finished: return MBX_NOT_FINISHED; } -/* - * Caller needs to hold lock. - */ +/** + * __lpfc_sli_ringtx_put: Add an iocb to the txq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @piocb: Pointer to address of newly added command iocb. + * + * This function is called with hbalock held to add a command + * iocb to the txq when SLI layer cannot submit the command iocb + * to the ring. + **/ static void __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb) @@ -2992,6 +3578,23 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, pring->txq_cnt++; } +/** + * lpfc_sli_next_iocb: Get the next iocb in the txq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @piocb: Pointer to address of newly added command iocb. + * + * This function is called with hbalock held before a new + * iocb is submitted to the firmware. This function checks + * txq to flush the iocbs in txq to Firmware before + * submitting new iocbs to the Firmware. + * If there are iocbs in the txq which need to be submitted + * to firmware, lpfc_sli_next_iocb returns the first element + * of the txq after dequeuing it from txq. + * If there is no iocb in the txq then the function will return + * *piocb and *piocb is set to NULL. Caller needs to check + * *piocb to find if there are more commands in the txq. + **/ static struct lpfc_iocbq * lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq **piocb) @@ -3007,9 +3610,30 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return nextiocb; } -/* - * Lockless version of lpfc_sli_issue_iocb. - */ +/** + * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @piocb: Pointer to command iocb. + * @flag: Flag indicating if this command can be put into txq. + * + * __lpfc_sli_issue_iocb is used by other functions in the driver + * to issue an iocb command to the HBA. If the PCI slot is recovering + * from error state or if HBA is resetting or if LPFC_STOP_IOCB_EVENT + * flag is turned on, the function returns IOCB_ERROR. + * When the link is down, this function allows only iocbs for + * posting buffers. + * This function finds next available slot in the command ring and + * posts the command to the available slot and writes the port + * attention register to request HBA start processing new iocb. + * If there is no slot available in the ring and + * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the + * txq, otherwise the function returns IOCB_BUSY. + * + * This function is called with hbalock held. + * The function will return success after it successfully submit the + * iocb to firmware or after adding to the txq. + **/ static int __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb, uint32_t flag) @@ -3106,6 +3730,19 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } +/** + * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @piocb: Pointer to command iocb. + * @flag: Flag indicating if this command can be put into txq. + * + * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb + * function. This function gets the hbalock and calls + * __lpfc_sli_issue_iocb function and will return the error returned + * by __lpfc_sli_issue_iocb function. This wrapper is used by + * functions which do not hold hbalock. + **/ int lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb, uint32_t flag) @@ -3120,6 +3757,17 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return rc; } +/** + * lpfc_extra_ring_setup: Extra ring setup function. + * @phba: Pointer to HBA context object. + * + * This function is called while driver attaches with the + * HBA to setup the extra ring. The extra ring is used + * only when driver needs to support target mode functionality + * or IP over FC functionalities. + * + * This function is called with no lock held. + **/ static int lpfc_extra_ring_setup( struct lpfc_hba *phba) { @@ -3155,6 +3803,19 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_async_event_handler: ASYNC iocb handler function. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @iocbq: Pointer to iocb object. + * + * This function is called by the slow ring event handler + * function when there is an ASYNC event iocb in the ring. + * This function is called with no lock held. + * Currently this function handles only temperature related + * ASYNC events. The function decodes the temperature sensor + * event message and posts events for the management applications. + **/ static void lpfc_sli_async_event_handler(struct lpfc_hba * phba, struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) @@ -3210,6 +3871,17 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba, } +/** + * lpfc_sli_setup: SLI ring setup function. + * @phba: Pointer to HBA context object. + * + * lpfc_sli_setup sets up rings of the SLI interface with + * number of iocbs per ring and iotags. This function is + * called while driver attach to the HBA and before the + * interrupts are enabled. So there is no need for locking. + * + * This function always returns 0. + **/ int lpfc_sli_setup(struct lpfc_hba *phba) { @@ -3321,6 +3993,17 @@ lpfc_sli_setup(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli_queue_setup: Queue initialization function. + * @phba: Pointer to HBA context object. + * + * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each + * ring. This function also initializes ring indices of each ring. + * This function is called during the initialization of the SLI + * interface of an HBA. + * This function is called with no lock held and always returns + * 1. + **/ int lpfc_sli_queue_setup(struct lpfc_hba *phba) { @@ -3349,6 +4032,23 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba) return 1; } +/** + * lpfc_sli_host_down: Vport cleanup function. + * @vport: Pointer to virtual port object. + * + * lpfc_sli_host_down is called to clean up the resources + * associated with a vport before destroying virtual + * port data structures. + * This function does following operations: + * - Free discovery resources associated with this virtual + * port. + * - Free iocbs associated with this virtual port in + * the txq. + * - Send abort for all iocb commands associated with this + * vport in txcmplq. + * + * This function is called with no lock held and always returns 1. + **/ int lpfc_sli_host_down(struct lpfc_vport *vport) { @@ -3411,6 +4111,21 @@ lpfc_sli_host_down(struct lpfc_vport *vport) return 1; } +/** + * lpfc_sli_hba_down: Resource cleanup function for the HBA. + * @phba: Pointer to HBA context object. + * + * This function cleans up all iocb, buffers, mailbox commands + * while shutting down the HBA. This function is called with no + * lock held and always returns 1. + * This function does the following to cleanup driver resources: + * - Free discovery resources for each virtual port + * - Cleanup any pending fabric iocbs + * - Iterate through the iocb txq and free each entry + * in the list. + * - Free up any buffer posted to the HBA + * - Free mailbox commands in the mailbox queue. + **/ int lpfc_sli_hba_down(struct lpfc_hba *phba) { @@ -3501,6 +4216,18 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) return 1; } +/** + * lpfc_sli_pcimem_bcopy: SLI memory copy function. + * @srcp: Source memory pointer. + * @destp: Destination memory pointer. + * @cnt: Number of words required to be copied. + * + * This function is used for copying data between driver memory + * and the SLI memory. This function also changes the endianness + * of each word if native endianness is different from SLI + * endianness. This function can be called with or without + * lock. + **/ void lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) { @@ -3518,6 +4245,17 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) } } + +/** + * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @mp: Pointer to driver buffer object. + * + * This function is called with no lock held. + * It always return zero after adding the buffer to the postbufq + * buffer list. + **/ int lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_dmabuf *mp) @@ -3531,6 +4269,18 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 0; } +/** + * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted + * using CMD_QUE_XRI64_CX iocb. + * @phba: Pointer to HBA context object. + * + * When HBQ is enabled, buffers are searched based on tags. This function + * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The + * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag + * does not conflict with tags of buffer posted for unsolicited events. + * The function returns the allocated tag. The function is called with + * no locks held. + **/ uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) { @@ -3545,6 +4295,22 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) return phba->buffer_tag_count; } +/** + * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with + * posted using CMD_QUE_XRI64_CX iocb. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @tag: Buffer tag. + * + * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq + * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX + * iocb is posted to the response ring with the tag of the buffer. + * This function searches the pring->postbufq list using the tag + * to find buffer associated with CMD_IOCB_RET_XRI64_CX + * iocb. If the buffer is found then lpfc_dmabuf object of the + * buffer is returned to the caller else NULL is returned. + * This function is called with no lock held. + **/ struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t tag) @@ -3573,6 +4339,23 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return NULL; } +/** + * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for + * unsolicited ct and els events. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @phys: DMA address of the buffer. + * + * This function searches the buffer list using the dma_address + * of unsolicited event to find the driver's lpfc_dmabuf object + * corresponding to the dma_address. The function returns the + * lpfc_dmabuf object if a buffer is found else it returns NULL. + * This function is called by the ct and els unsolicited event + * handlers to get the buffer associated with the unsolicited + * event. + * + * This function is called with no lock held. + **/ struct lpfc_dmabuf * lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, dma_addr_t phys) @@ -3600,6 +4383,17 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return NULL; } +/** + * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs. + * @phba: Pointer to HBA context object. + * @cmdiocb: Pointer to driver command iocb object. + * @rspiocb: Pointer to driver response iocb object. + * + * This function is the completion handler for the abort iocbs for + * ELS commands. This function is called from the ELS ring event + * handler with no lock held. This function frees memory resources + * associated with the abort iocb. + **/ static void lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -3665,6 +4459,17 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return; } +/** + * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command. + * @phba: Pointer to HBA context object. + * @cmdiocb: Pointer to driver command iocb object. + * @rspiocb: Pointer to driver response iocb object. + * + * The function is called from SLI ring event handler with no + * lock held. This function is the completion handler for ELS commands + * which are aborted. The function frees memory resources used for + * the aborted ELS commands. + **/ static void lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -3684,6 +4489,17 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return; } +/** + * lpfc_sli_issue_abort_iotag: Abort function for a command iocb. + * @phba: Pointer to HBA context object. + * @pring: Pointer to driver SLI ring object. + * @cmdiocb: Pointer to driver command iocb object. + * + * This function issues an abort iocb for the provided command + * iocb. This function is called with hbalock held. + * The function returns 0 when it fails due to memory allocation + * failure or when the command iocb is an abort request. + **/ int lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *cmdiocb) @@ -3757,6 +4573,29 @@ abort_iotag_exit: return retval; } +/** + * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands + * associated with a vport/SCSI target/lun. + * @iocbq: Pointer to driver iocb object. + * @vport: Pointer to driver virtual port object. + * @tgt_id: SCSI ID of the target. + * @lun_id: LUN ID of the scsi device. + * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST + * + * This function acts as iocb filter for functions which abort or count + * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return + * 0 if the filtering criteria is met for the given iocb and will return + * 1 if the filtering criteria is not met. + * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the + * given iocb is for the SCSI device specified by vport, tgt_id and + * lun_id parameter. + * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the + * given iocb is for the SCSI target specified by vport and tgt_id + * parameters. + * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the + * given iocb is for the SCSI host associated with the given vport. + * This function is called with no locks held. + **/ static int lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, @@ -3800,6 +4639,25 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, return rc; } +/** + * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending. + * @vport: Pointer to virtual port. + * @tgt_id: SCSI ID of the target. + * @lun_id: LUN ID of the scsi device. + * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. + * + * This function returns number of FCP commands pending for the vport. + * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP + * commands pending on the vport associated with SCSI device specified + * by tgt_id and lun_id parameters. + * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP + * commands pending on the vport associated with SCSI target specified + * by tgt_id parameter. + * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP + * commands pending on the vport. + * This function returns the number of iocbs which satisfy the filter. + * This function is called without any lock held. + **/ int lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd ctx_cmd) @@ -3819,6 +4677,17 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, return sum; } +/** + * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted + * FCP iocb. + * @phba: Pointer to HBA context object + * @cmdiocb: Pointer to command iocb object. + * @rspiocb: Pointer to response iocb object. + * + * This function is called when an aborted FCP iocb completes. This + * function is called by the ring event handler with no lock held. + * This function frees the iocb. + **/ void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -3827,6 +4696,28 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return; } +/** + * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands + * pending on a SCSI host(vport)/target/lun. + * @vport: Pointer to virtual port. + * @pring: Pointer to driver SLI ring object. + * @tgt_id: SCSI ID of the target. + * @lun_id: LUN ID of the scsi device. + * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. + * + * This function sends an abort command for every SCSI command + * associated with the given virtual port pending on the ring + * filtered by lpfc_sli_validate_fcp_iocb function. + * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the + * FCP iocbs associated with lun specified by tgt_id and lun_id + * parameters + * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the + * FCP iocbs associated with SCSI target specified by tgt_id parameter. + * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all + * FCP iocbs associated with virtual port. + * This function returns number of iocbs it failed to abort. + * This function is called with no locks held. + **/ int lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) @@ -3878,6 +4769,24 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, return errcnt; } +/** + * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using + * lpfc_sli_issue_iocb_wait. + * @phba: Pointer to HBA context object. + * @cmdiocbq: Pointer to command iocb. + * @rspiocbq: Pointer to response iocb. + * + * This function is the completion handler for iocbs issued using + * lpfc_sli_issue_iocb_wait function. This function is called by the + * ring event handler function without any lock held. This function + * can be called from both worker thread context and interrupt + * context. This function also can be called from other thread which + * cleans up the SLI layer objects. + * This function copy the contents of the response iocb to the + * response iocb memory object provided by the caller of + * lpfc_sli_issue_iocb_wait and then wakes up the thread which + * sleeps for the iocb completion. + **/ static void lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, @@ -3899,13 +4808,36 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, return; } -/* - * Issue the caller's iocb and wait for its completion, but no longer than the - * caller's timeout. Note that iocb_flags is cleared before the - * lpfc_sli_issue_call since the wake routine sets a unique value and by - * definition this is a wait function. - */ - +/** + * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands. + * @phba: Pointer to HBA context object.. + * @pring: Pointer to sli ring. + * @piocb: Pointer to command iocb. + * @prspiocbq: Pointer to response iocb. + * @timeout: Timeout in number of seconds. + * + * This function issues the iocb to firmware and waits for the + * iocb to complete. If the iocb command is not + * completed within timeout seconds, it returns IOCB_TIMEDOUT. + * Caller should not free the iocb resources if this function + * returns IOCB_TIMEDOUT. + * The function waits for the iocb completion using an + * non-interruptible wait. + * This function will sleep while waiting for iocb completion. + * So, this function should not be called from any context which + * does not allow sleeping. Due to the same reason, this function + * cannot be called with interrupt disabled. + * This function assumes that the iocb completions occur while + * this function sleep. So, this function cannot be called from + * the thread which process iocb completion for this ring. + * This function clears the iocb_flag of the iocb object before + * issuing the iocb and the iocb completion handler sets this + * flag and wakes this thread when the iocb completes. + * The contents of the response iocb will be copied to prspiocbq + * by the completion handler when the command completes. + * This function returns IOCB_SUCCESS when success. + * This function is called with no lock held. + **/ int lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, @@ -3983,6 +4915,32 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, return retval; } +/** + * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox. + * @phba: Pointer to HBA context object. + * @pmboxq: Pointer to driver mailbox object. + * @timeout: Timeout in number of seconds. + * + * This function issues the mailbox to firmware and waits for the + * mailbox command to complete. If the mailbox command is not + * completed within timeout seconds, it returns MBX_TIMEOUT. + * The function waits for the mailbox completion using an + * interruptible wait. If the thread is woken up due to a + * signal, MBX_TIMEOUT error is returned to the caller. Caller + * should not free the mailbox resources, if this function returns + * MBX_TIMEOUT. + * This function will sleep while waiting for mailbox completion. + * So, this function should not be called from any context which + * does not allow sleeping. Due to the same reason, this function + * cannot be called with interrupt disabled. + * This function assumes that the mailbox completion occurs while + * this function sleep. So, this function cannot be called from + * the worker thread which processes mailbox completion. + * This function is called in the context of HBA management + * applications. + * This function returns MBX_SUCCESS when successful. + * This function is called with no lock held. + **/ int lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, uint32_t timeout) @@ -4027,6 +4985,18 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, return retval; } +/** + * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function. + * @phba: Pointer to HBA context. + * + * This function is called to cleanup any pending mailbox + * objects in the driver queue before bringing the HBA offline. + * This function is called while resetting the HBA. + * The function is called without any lock held. The function + * takes hbalock to update SLI data structure. + * This function returns 1 when there is an active mailbox + * command pending else returns 0. + **/ int lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) { @@ -4058,6 +5028,27 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; } +/** + * lpfc_intr_handler: The interrupt handler of lpfc driver. + * @irq: Interrupt number. + * @dev_id: The device context pointer. + * + * This function is called from the PCI layer when there is + * an event in the HBA which requires driver attention. When + * the PCI slot is in error recovery or the HBA is undergoing + * initialization the interrupt handler will not process the + * interrupt. + * The error attention, link attention and els ring attention + * events are handled by the worker thread. The interrupt + * handler signals the worker thread and returns for these + * events. + * The SCSI ring event and mailbox events are handled in the + * interrupt context. + * This function is called without any lock held. It gets the + * hbalock to access and update SLI data structures. + * This function returns IRQ_HANDLED when interrupt is handled + * else it returns IRQ_NONE. + **/ irqreturn_t lpfc_intr_handler(int irq, void *dev_id) { -- GitLab From 90160e010b6f3a91a9bb044bbe6723731e6f366c Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:49:45 -0400 Subject: [PATCH 4254/6244] [SCSI] lpfc 8.2.8 : Miscellaneous Discovery Fixes Miscellaneous Discovery fixes: - Fix rejection followed by acceptance in handling RPL and RPS unsolicited events - Fix for vport delete crash - Fix PLOGI vs ADISC race condition Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_els.c | 186 +++++++++++++++-------------- drivers/scsi/lpfc/lpfc_init.c | 8 -- drivers/scsi/lpfc/lpfc_nportdisc.c | 14 +-- drivers/scsi/lpfc/lpfc_vport.c | 74 ++++++++++++ 4 files changed, 172 insertions(+), 110 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 43049b9d64c9..2e24b4fe2be5 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1555,6 +1555,83 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } +/** + * lpfc_rscn_disc: Perform rscn discovery for a vport. + * @vport: pointer to a host virtual N_Port data structure. + * + * This routine performs Registration State Change Notification (RSCN) + * discovery for a @vport. If the @vport's node port recovery count is not + * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all + * the nodes that need recovery. If none of the PLOGI were needed through + * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be + * invoked to check and handle possible more RSCN came in during the period + * of processing the current ones. + **/ +static void +lpfc_rscn_disc(struct lpfc_vport *vport) +{ + lpfc_can_disctmo(vport); + + /* RSCN discovery */ + /* go thru NPR nodes and issue ELS PLOGIs */ + if (vport->fc_npr_cnt) + if (lpfc_els_disc_plogi(vport)) + return; + + lpfc_end_rscn(vport); +} + +/** + * lpfc_adisc_done: Complete the adisc phase of discovery. + * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs. + * + * This function is called when the final ADISC is completed during discovery. + * This function handles clearing link attention or issuing reg_vpi depending + * on whether npiv is enabled. This function also kicks off the PLOGI phase of + * discovery. + * This function is called with no locks held. + **/ +static void +lpfc_adisc_done(struct lpfc_vport *vport) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + + /* + * For NPIV, cmpl_reg_vpi will set port_state to READY, + * and continue discovery. + */ + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && + !(vport->fc_flag & FC_RSCN_MODE)) { + lpfc_issue_reg_vpi(phba, vport); + return; + } + /* + * For SLI2, we need to set port_state to READY + * and continue discovery. + */ + if (vport->port_state < LPFC_VPORT_READY) { + /* If we get here, there is nothing to ADISC */ + if (vport->port_type == LPFC_PHYSICAL_PORT) + lpfc_issue_clear_la(phba, vport); + if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { + vport->num_disc_nodes = 0; + /* go thru NPR list, issue ELS PLOGIs */ + if (vport->fc_npr_cnt) + lpfc_els_disc_plogi(vport); + if (!vport->num_disc_nodes) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + lpfc_end_rscn(vport); + } + } + vport->port_state = LPFC_VPORT_READY; + } else + lpfc_rscn_disc(vport); +} + /** * lpfc_more_adisc: Issue more adisc as needed. * @vport: pointer to a host virtual N_Port data structure. @@ -1583,35 +1660,11 @@ lpfc_more_adisc(struct lpfc_vport *vport) /* go thru NPR nodes and issue any remaining ELS ADISCs */ sentadisc = lpfc_els_disc_adisc(vport); } + if (!vport->num_disc_nodes) + lpfc_adisc_done(vport); return; } -/** - * lpfc_rscn_disc: Perform rscn discovery for a vport. - * @vport: pointer to a host virtual N_Port data structure. - * - * This routine performs Registration State Change Notification (RSCN) - * discovery for a @vport. If the @vport's node port recovery count is not - * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all - * the nodes that need recovery. If none of the PLOGI were needed through - * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be - * invoked to check and handle possible more RSCN came in during the period - * of processing the current ones. - **/ -static void -lpfc_rscn_disc(struct lpfc_vport *vport) -{ - lpfc_can_disctmo(vport); - - /* RSCN discovery */ - /* go thru NPR nodes and issue ELS PLOGIs */ - if (vport->fc_npr_cnt) - if (lpfc_els_disc_plogi(vport)) - return; - - lpfc_end_rscn(vport); -} - /** * lpfc_cmpl_els_adisc: Completion callback function for adisc. * @phba: pointer to lpfc hba data structure. @@ -1692,52 +1745,9 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_ADISC); - if (disc && vport->num_disc_nodes) { - /* Check to see if there are more ADISCs to be sent */ + /* Check to see if there are more ADISCs to be sent */ + if (disc && vport->num_disc_nodes) lpfc_more_adisc(vport); - - /* Check to see if we are done with ADISC authentication */ - if (vport->num_disc_nodes == 0) { - /* If we get here, there is nothing left to ADISC */ - /* - * For NPIV, cmpl_reg_vpi will set port_state to READY, - * and continue discovery. - */ - if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && - !(vport->fc_flag & FC_RSCN_MODE)) { - lpfc_issue_reg_vpi(phba, vport); - goto out; - } - /* - * For SLI2, we need to set port_state to READY - * and continue discovery. - */ - if (vport->port_state < LPFC_VPORT_READY) { - /* If we get here, there is nothing to ADISC */ - if (vport->port_type == LPFC_PHYSICAL_PORT) - lpfc_issue_clear_la(phba, vport); - - if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { - vport->num_disc_nodes = 0; - /* go thru NPR list, issue ELS PLOGIs */ - if (vport->fc_npr_cnt) - lpfc_els_disc_plogi(vport); - - if (!vport->num_disc_nodes) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= - ~FC_NDISC_ACTIVE; - spin_unlock_irq( - shost->host_lock); - lpfc_can_disctmo(vport); - } - } - vport->port_state = LPFC_VPORT_READY; - } else { - lpfc_rscn_disc(vport); - } - } - } out: lpfc_els_free_iocb(phba, cmdiocb); return; @@ -2258,19 +2268,16 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) if (vport->port_state < LPFC_VPORT_READY) { /* Check if there are more ADISCs to be sent */ lpfc_more_adisc(vport); - if ((vport->num_disc_nodes == 0) && - (vport->fc_npr_cnt)) - lpfc_els_disc_plogi(vport); } else { /* Check if there are more PLOGIs to be sent */ lpfc_more_plogi(vport); - } - if (vport->num_disc_nodes == 0) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(shost->host_lock); - lpfc_can_disctmo(vport); - lpfc_end_rscn(vport); + if (vport->num_disc_nodes == 0) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + lpfc_end_rscn(vport); + } } } } @@ -4480,14 +4487,9 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct ls_rjt stat; if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && - (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { - stat.un.b.lsRjtRsvd0 = 0; - stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; - stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; - stat.un.b.vendorUnique = 0; - lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, - NULL); - } + (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) + /* reject the unsolicited RPS request and done with it */ + goto reject_out; pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; @@ -4520,6 +4522,9 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, mempool_free(mbox, phba->mbox_mem_pool); } } + +reject_out: + /* issue rejection response */ stat.un.b.lsRjtRsvd0 = 0; stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; @@ -4629,12 +4634,15 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { + /* issue rejection response */ stat.un.b.lsRjtRsvd0 = 0; stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; stat.un.b.vendorUnique = 0; lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + /* rejected the unsolicited RPL request and done with it */ + return 0; } pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index b9d553c2ac4d..93fd09daca87 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1580,14 +1580,6 @@ lpfc_cleanup(struct lpfc_vport *vport) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); - /* nlp_type zero is not defined, nlp_flag zero also not defined, - * nlp_state is unused, this happens when - * an initiator has logged - * into us so cleanup this ndlp. - */ - if ((ndlp->nlp_type == 0) && (ndlp->nlp_flag == 0) && - (ndlp->nlp_state == 0)) - lpfc_nlp_put(ndlp); } /* At this point, ALL ndlp's should be gone diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 6688a8689b56..705c4ae1bdc3 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1003,20 +1003,8 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; spin_unlock_irq(shost->host_lock); - - if (vport->num_disc_nodes) { + if (vport->num_disc_nodes) lpfc_more_adisc(vport); - if ((vport->num_disc_nodes == 0) && - (vport->fc_npr_cnt)) - lpfc_els_disc_plogi(vport); - if (vport->num_disc_nodes == 0) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(shost->host_lock); - lpfc_can_disctmo(vport); - lpfc_end_rscn(vport); - } - } } return ndlp->nlp_state; } diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 109f89d98830..ad0f65313878 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -204,6 +204,77 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport) return 1; } +/** + * lpfc_discovery_wait: Wait for driver discovery to quiesce. + * @vport: The virtual port for which this call is being executed. + * + * This driver calls this routine specifically from lpfc_vport_delete + * to enforce a synchronous execution of vport + * delete relative to discovery activities. The + * lpfc_vport_delete routine should not return until it + * can reasonably guarantee that discovery has quiesced. + * Post FDISC LOGO, the driver must wait until its SAN teardown is + * complete and all resources recovered before allowing + * cleanup. + * + * This routine does not require any locks held. + **/ +static void lpfc_discovery_wait(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + uint32_t wait_flags = 0; + unsigned long wait_time_max; + unsigned long start_time; + + wait_flags = FC_RSCN_MODE | FC_RSCN_DISCOVERY | FC_NLP_MORE | + FC_RSCN_DEFERRED | FC_NDISC_ACTIVE | FC_DISC_TMO; + + /* + * The time constraint on this loop is a balance between the + * fabric RA_TOV value and dev_loss tmo. The driver's + * devloss_tmo is 10 giving this loop a 3x multiplier minimally. + */ + wait_time_max = msecs_to_jiffies(((phba->fc_ratov * 3) + 3) * 1000); + wait_time_max += jiffies; + start_time = jiffies; + while (time_before(jiffies, wait_time_max)) { + if ((vport->num_disc_nodes > 0) || + (vport->fc_flag & wait_flags) || + ((vport->port_state > LPFC_VPORT_FAILED) && + (vport->port_state < LPFC_VPORT_READY))) { + lpfc_printf_log(phba, KERN_INFO, LOG_VPORT, + "1833 Vport discovery quiesce Wait:" + " vpi x%x state x%x fc_flags x%x" + " num_nodes x%x, waiting 1000 msecs" + " total wait msecs x%x\n", + vport->vpi, vport->port_state, + vport->fc_flag, vport->num_disc_nodes, + jiffies_to_msecs(jiffies - start_time)); + msleep(1000); + } else { + /* Base case. Wait variants satisfied. Break out */ + lpfc_printf_log(phba, KERN_INFO, LOG_VPORT, + "1834 Vport discovery quiesced:" + " vpi x%x state x%x fc_flags x%x" + " wait msecs x%x\n", + vport->vpi, vport->port_state, + vport->fc_flag, + jiffies_to_msecs(jiffies + - start_time)); + break; + } + } + + if (time_after(jiffies, wait_time_max)) + lpfc_printf_log(phba, KERN_ERR, LOG_VPORT, + "1835 Vport discovery quiesce failed:" + " vpi x%x state x%x fc_flags x%x" + " wait msecs x%x\n", + vport->vpi, vport->port_state, + vport->fc_flag, + jiffies_to_msecs(jiffies - start_time)); +} + int lpfc_vport_create(struct fc_vport *fc_vport, bool disable) { @@ -602,6 +673,9 @@ lpfc_vport_delete(struct fc_vport *fc_vport) timeout = schedule_timeout(timeout); } + if (!(phba->pport->load_flag & FC_UNLOADING)) + lpfc_discovery_wait(vport); + skip_logo: lpfc_cleanup(vport); lpfc_sli_host_down(vport); -- GitLab From 34b02dcdcf1865405f4762b991965c0c3b8a3ae0 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:49:55 -0400 Subject: [PATCH 4255/6244] [SCSI] lpfc 8.2.8 : Update driver for new SLI-3 features Update driver for new SLI-3 features: - interrupt enhancements - lose adapter doorbell writes - inlining support for FCP_Ixx cmds Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 22 +++-- drivers/scsi/lpfc/lpfc_ct.c | 4 +- drivers/scsi/lpfc/lpfc_debugfs.c | 52 +++------- drivers/scsi/lpfc/lpfc_els.c | 4 +- drivers/scsi/lpfc/lpfc_hw.h | 63 ++++++++---- drivers/scsi/lpfc/lpfc_init.c | 28 +++--- drivers/scsi/lpfc/lpfc_mbox.c | 75 +++++++------- drivers/scsi/lpfc/lpfc_scsi.c | 163 ++++++++++++++++++++++--------- drivers/scsi/lpfc/lpfc_sli.c | 122 ++++++++++++----------- 9 files changed, 314 insertions(+), 219 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index e0e018d12653..327eeb051087 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -407,10 +407,11 @@ struct lpfc_hba { struct lpfc_sli sli; uint32_t sli_rev; /* SLI2 or SLI3 */ uint32_t sli3_options; /* Mask of enabled SLI3 options */ -#define LPFC_SLI3_ENABLED 0x01 -#define LPFC_SLI3_HBQ_ENABLED 0x02 -#define LPFC_SLI3_NPIV_ENABLED 0x04 -#define LPFC_SLI3_VPORT_TEARDOWN 0x08 +#define LPFC_SLI3_HBQ_ENABLED 0x01 +#define LPFC_SLI3_NPIV_ENABLED 0x02 +#define LPFC_SLI3_VPORT_TEARDOWN 0x04 +#define LPFC_SLI3_CRP_ENABLED 0x08 +#define LPFC_SLI3_INB_ENABLED 0x10 uint32_t iocb_cmd_size; uint32_t iocb_rsp_size; @@ -422,10 +423,16 @@ struct lpfc_hba { #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ - struct lpfc_sli2_slim *slim2p; - struct lpfc_dmabuf hbqslimp; + struct lpfc_dmabuf slim2p; + + MAILBOX_t *mbox; + uint32_t *inb_ha_copy; + uint32_t *inb_counter; + uint32_t inb_last_counter; + struct _PCB *pcb; + struct _IOCB *IOCBs; - dma_addr_t slim2p_mapping; + struct lpfc_dmabuf hbqslimp; uint16_t pci_cfg_value; @@ -514,6 +521,7 @@ struct lpfc_hba { void __iomem *HCregaddr; /* virtual address for host ctl reg */ struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */ + struct lpfc_pgp *port_gp; uint32_t __iomem *hbq_put; /* Address in SLIM to HBQ put ptrs */ uint32_t *hbq_get; /* Host mem address of HBQ get ptrs */ diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 7fc74cf5823b..0f387862cf77 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -212,7 +212,7 @@ lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl, else list_add_tail(&mp->list, &mlist->list); - bpl->tus.f.bdeFlags = BUFF_USE_RCV; + bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; /* build buffer ptr list for IOCB */ bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) ); bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) ); @@ -283,7 +283,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, icmd->un.genreq64.bdl.ulpIoTag32 = 0; icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); - icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL; + icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64)); if (usr_flg) diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 2588eadffbb9..2f6d34924b7d 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -454,7 +454,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) spin_lock_irq(&phba->hbalock); len += snprintf(buf+len, size-len, "SLIM Mailbox\n"); - ptr = (uint32_t *)phba->slim2p; + ptr = (uint32_t *)phba->slim2p.virt; i = sizeof(MAILBOX_t); while (i > 0) { len += snprintf(buf+len, size-len, @@ -467,7 +467,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) } len += snprintf(buf+len, size-len, "SLIM PCB\n"); - ptr = (uint32_t *)&phba->slim2p->pcb; + ptr = (uint32_t *)phba->pcb; i = sizeof(PCB_t); while (i > 0) { len += snprintf(buf+len, size-len, @@ -479,44 +479,16 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) off += (8 * sizeof(uint32_t)); } - pgpp = (struct lpfc_pgp *)&phba->slim2p->mbx.us.s3_pgp.port; - pring = &psli->ring[0]; - len += snprintf(buf+len, size-len, - "Ring 0: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " - "RSP PutInx:%d Max:%d\n", - pgpp->cmdGetInx, pring->numCiocb, - pring->next_cmdidx, pring->local_getidx, pring->flag, - pgpp->rspPutInx, pring->numRiocb); - pgpp++; - - pring = &psli->ring[1]; - len += snprintf(buf+len, size-len, - "Ring 1: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " - "RSP PutInx:%d Max:%d\n", - pgpp->cmdGetInx, pring->numCiocb, - pring->next_cmdidx, pring->local_getidx, pring->flag, - pgpp->rspPutInx, pring->numRiocb); - pgpp++; - - pring = &psli->ring[2]; - len += snprintf(buf+len, size-len, - "Ring 2: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " - "RSP PutInx:%d Max:%d\n", - pgpp->cmdGetInx, pring->numCiocb, - pring->next_cmdidx, pring->local_getidx, pring->flag, - pgpp->rspPutInx, pring->numRiocb); - pgpp++; - - pring = &psli->ring[3]; - len += snprintf(buf+len, size-len, - "Ring 3: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x) " - "RSP PutInx:%d Max:%d\n", - pgpp->cmdGetInx, pring->numCiocb, - pring->next_cmdidx, pring->local_getidx, pring->flag, - pgpp->rspPutInx, pring->numRiocb); - - - ptr = (uint32_t *)&phba->slim2p->mbx.us.s3_pgp.hbq_get; + for (i = 0; i < 4; i++) { + pgpp = &phba->port_gp[i]; + pring = &psli->ring[i]; + len += snprintf(buf+len, size-len, + "Ring %d: CMD GetInx:%d (Max:%d Next:%d " + "Local:%d flg:x%x) RSP PutInx:%d Max:%d\n", + i, pgpp->cmdGetInx, pring->numCiocb, + pring->next_cmdidx, pring->local_getidx, + pring->flag, pgpp->rspPutInx, pring->numRiocb); + } word0 = readl(phba->HAregaddr); word1 = readl(phba->CAregaddr); word2 = readl(phba->HSregaddr); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 2e24b4fe2be5..89bd9ab46de7 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -200,7 +200,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); - icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; + icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; icmd->un.elsreq64.remoteID = did; /* DID */ if (expectRsp) { icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); @@ -235,7 +235,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); bpl->tus.f.bdeSize = FCELSSIZE; - bpl->tus.f.bdeFlags = BUFF_USE_RCV; + bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; bpl->tus.w = le32_to_cpu(bpl->tus.w); } diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 7773b949aa7c..a986332fecf6 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1474,24 +1474,18 @@ struct ulp_bde64 { /* SLI-2 */ uint32_t bdeFlags:8; /* BDE Flags 0 IS A SUPPORTED VALUE !! */ #endif - -#define BUFF_USE_RSVD 0x01 /* bdeFlags */ -#define BUFF_USE_INTRPT 0x02 /* Not Implemented with LP6000 */ -#define BUFF_USE_CMND 0x04 /* Optional, 1=cmd/rsp 0=data buffer */ -#define BUFF_USE_RCV 0x08 /* "" "", 1=rcv buffer, 0=xmit - buffer */ -#define BUFF_TYPE_32BIT 0x10 /* "" "", 1=32 bit addr 0=64 bit - addr */ -#define BUFF_TYPE_SPECIAL 0x20 /* Not Implemented with LP6000 */ -#define BUFF_TYPE_BDL 0x40 /* Optional, may be set in BDL */ -#define BUFF_TYPE_INVALID 0x80 /* "" "" */ +#define BUFF_TYPE_BDE_64 0x00 /* BDE (Host_resident) */ +#define BUFF_TYPE_BDE_IMMED 0x01 /* Immediate Data BDE */ +#define BUFF_TYPE_BDE_64P 0x02 /* BDE (Port-resident) */ +#define BUFF_TYPE_BDE_64I 0x08 /* Input BDE (Host-resident) */ +#define BUFF_TYPE_BDE_64IP 0x0A /* Input BDE (Port-resident) */ +#define BUFF_TYPE_BLP_64 0x40 /* BLP (Host-resident) */ +#define BUFF_TYPE_BLP_64P 0x42 /* BLP (Port-resident) */ } f; } tus; uint32_t addrLow; uint32_t addrHigh; }; -#define BDE64_SIZE_WORD 0 -#define BPL64_SIZE_WORD 0x40 typedef struct ULP_BDL { /* SLI-2 */ #ifdef __BIG_ENDIAN_BITFIELD @@ -2715,11 +2709,19 @@ struct sli3_pgp { uint32_t hbq_get[16]; }; -typedef union { - struct sli2_desc s2; - struct sli3_desc s3; - struct sli3_pgp s3_pgp; -} SLI_VAR; +struct sli3_inb_pgp { + uint32_t ha_copy; + uint32_t counter; + struct lpfc_pgp port[MAX_RINGS]; + uint32_t hbq_get[16]; +}; + +union sli_var { + struct sli2_desc s2; + struct sli3_desc s3; + struct sli3_pgp s3_pgp; + struct sli3_inb_pgp s3_inb_pgp; +}; typedef struct { #ifdef __BIG_ENDIAN_BITFIELD @@ -2737,7 +2739,7 @@ typedef struct { #endif MAILVARIANTS un; - SLI_VAR us; + union sli_var us; } MAILBOX_t; /* @@ -3105,6 +3107,27 @@ struct que_xri64cx_ext_fields { struct lpfc_hbq_entry buff[5]; }; +#define LPFC_EXT_DATA_BDE_COUNT 3 +struct fcp_irw_ext { + uint32_t io_tag64_low; + uint32_t io_tag64_high; +#ifdef __BIG_ENDIAN_BITFIELD + uint8_t reserved1; + uint8_t reserved2; + uint8_t reserved3; + uint8_t ebde_count; +#else /* __LITTLE_ENDIAN */ + uint8_t ebde_count; + uint8_t reserved3; + uint8_t reserved2; + uint8_t reserved1; +#endif + uint32_t reserved4; + struct ulp_bde64 rbde; /* response bde */ + struct ulp_bde64 dbde[LPFC_EXT_DATA_BDE_COUNT]; /* data BDE or BPL */ + uint8_t icd[32]; /* immediate command data (32 bytes) */ +}; + typedef struct _IOCB { /* IOCB structure */ union { GENERIC_RSP grsp; /* Generic response */ @@ -3190,7 +3213,7 @@ typedef struct _IOCB { /* IOCB structure */ /* words 8-31 used for que_xri_cx iocb */ struct que_xri64cx_ext_fields que_xri64cx_ext_words; - + struct fcp_irw_ext fcp_ext; uint32_t sli3Words[24]; /* 96 extra bytes for SLI-3 */ } unsli3; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 93fd09daca87..6a7a039e8904 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2312,12 +2312,18 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) } /* Allocate memory for SLI-2 structures */ - phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE, - &phba->slim2p_mapping, GFP_KERNEL); - if (!phba->slim2p) + phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev, + SLI2_SLIM_SIZE, + &phba->slim2p.phys, + GFP_KERNEL); + if (!phba->slim2p.virt) goto out_iounmap; - memset(phba->slim2p, 0, SLI2_SLIM_SIZE); + memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); + phba->mbox = phba->slim2p.virt; + phba->pcb = (phba->slim2p.virt + sizeof(MAILBOX_t)); + phba->IOCBs = (phba->slim2p.virt + sizeof(MAILBOX_t) + + sizeof(struct _PCB)); phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, lpfc_sli_hbq_size(), @@ -2513,11 +2519,11 @@ out_free_iocbq: } lpfc_mem_free(phba); out_free_hbqslimp: - dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, - phba->hbqslimp.phys); + dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), + phba->hbqslimp.virt, phba->hbqslimp.phys); out_free_slim: - dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p, - phba->slim2p_mapping); + dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, + phba->slim2p.virt, phba->slim2p.phys); out_iounmap: iounmap(phba->ctrl_regs_memmap_p); out_iounmap_slim: @@ -2599,12 +2605,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev) lpfc_scsi_free(phba); lpfc_mem_free(phba); - dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt, - phba->hbqslimp.phys); + dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), + phba->hbqslimp.virt, phba->hbqslimp.phys); /* Free resources associated with SLI2 interface */ dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, - phba->slim2p, phba->slim2p_mapping); + phba->slim2p.virt, phba->slim2p.phys); /* unmap adapter SLIM and Control Registers */ iounmap(phba->ctrl_regs_memmap_p); diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 7413bfdf89a4..ca358355ec9b 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -671,7 +671,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) { struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; - PCB_t *pcbp = &phba->slim2p->pcb; + PCB_t *pcbp = phba->pcb; dma_addr_t pdma_addr; uint32_t offset; uint32_t iocbCnt = 0; @@ -700,23 +700,23 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba) continue; } /* Command ring setup for ring */ - pring->cmdringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt]; + pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt]; pcbp->rdsc[i].cmdEntries = pring->numCiocb; - offset = (uint8_t *) &phba->slim2p->IOCBs[iocbCnt] - - (uint8_t *) phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + offset = (uint8_t *) &phba->IOCBs[iocbCnt] - + (uint8_t *) phba->slim2p.virt; + pdma_addr = phba->slim2p.phys + offset; pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr); pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr); iocbCnt += pring->numCiocb; /* Response ring setup for ring */ - pring->rspringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt]; + pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt]; pcbp->rdsc[i].rspEntries = pring->numRiocb; - offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] - - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + offset = (uint8_t *)&phba->IOCBs[iocbCnt] - + (uint8_t *)phba->slim2p.virt; + pdma_addr = phba->slim2p.phys + offset; pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr); pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr); iocbCnt += pring->numRiocb; @@ -977,8 +977,8 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) mb->un.varCfgPort.pcbLen = sizeof(PCB_t); - offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; + offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt; + pdma_addr = phba->slim2p.phys + offset; mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr); mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr); @@ -986,12 +986,13 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) { mb->un.varCfgPort.cerbm = 1; /* Request HBQs */ + mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */ + mb->un.varCfgPort.cinb = 1; /* Interrupt Notification Block */ mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count(); if (phba->max_vpi && phba->cfg_enable_npiv && phba->vpd.sli3Feat.cmv) { mb->un.varCfgPort.max_vpi = phba->max_vpi; mb->un.varCfgPort.cmv = 1; - phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; } else mb->un.varCfgPort.max_vpi = phba->max_vpi = 0; } else @@ -999,16 +1000,15 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) mb->un.varCfgPort.sli_mode = phba->sli_rev; /* Now setup pcb */ - phba->slim2p->pcb.type = TYPE_NATIVE_SLI2; - phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2; + phba->pcb->type = TYPE_NATIVE_SLI2; + phba->pcb->feature = FEATURE_INITIAL_SLI2; /* Setup Mailbox pointers */ - phba->slim2p->pcb.mailBoxSize = offsetof(MAILBOX_t, us) + - sizeof(struct sli2_desc); - offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p; - pdma_addr = phba->slim2p_mapping + offset; - phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr); - phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr); + phba->pcb->mailBoxSize = sizeof(MAILBOX_t); + offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt; + pdma_addr = phba->slim2p.phys + offset; + phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr); + phba->pcb->mbAddrLow = putPaddrLow(pdma_addr); /* * Setup Host Group ring pointer. @@ -1069,13 +1069,13 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /* mask off BAR0's flag bits 0 - 3 */ - phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + - (void __iomem *) phba->host_gp - + phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) + + (void __iomem *)phba->host_gp - (void __iomem *)phba->MBslimaddr; if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64) - phba->slim2p->pcb.hgpAddrHigh = bar_high; + phba->pcb->hgpAddrHigh = bar_high; else - phba->slim2p->pcb.hgpAddrHigh = 0; + phba->pcb->hgpAddrHigh = 0; /* write HGP data to SLIM at the required longword offset */ memset(&hgp, 0, sizeof(struct lpfc_hgp)); @@ -1085,17 +1085,19 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /* Setup Port Group ring pointer */ - if (phba->sli_rev == 3) - pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port - - (uint8_t *)phba->slim2p; - else - pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port - - (uint8_t *)phba->slim2p; - - pdma_addr = phba->slim2p_mapping + pgp_offset; - phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr); - phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr); - phba->hbq_get = &phba->slim2p->mbx.us.s3_pgp.hbq_get[0]; + if (phba->sli3_options & LPFC_SLI3_INB_ENABLED) { + pgp_offset = offsetof(struct lpfc_sli2_slim, + mbx.us.s3_inb_pgp.port); + phba->hbq_get = phba->mbox->us.s3_inb_pgp.hbq_get; + } else if (phba->sli_rev == 3) { + pgp_offset = offsetof(struct lpfc_sli2_slim, + mbx.us.s3_pgp.port); + phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; + } else + pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port); + pdma_addr = phba->slim2p.phys + pgp_offset; + phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr); + phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr); /* Use callback routine to setp rings in the pcb */ lpfc_config_pcb_setup(phba); @@ -1110,8 +1112,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } /* Swap PCB if needed */ - lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb, - sizeof(PCB_t)); + lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t)); } /** diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index a22bdf9548a6..c1bb90cf0d06 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -198,7 +198,9 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport) struct lpfc_scsi_buf *psb; struct ulp_bde64 *bpl; IOCB_t *iocb; - dma_addr_t pdma_phys; + dma_addr_t pdma_phys_fcp_cmd; + dma_addr_t pdma_phys_fcp_rsp; + dma_addr_t pdma_phys_bpl; uint16_t iotag; psb = kzalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL); @@ -238,40 +240,60 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport) /* Initialize local short-hand pointers. */ bpl = psb->fcp_bpl; - pdma_phys = psb->dma_handle; + pdma_phys_fcp_cmd = psb->dma_handle; + pdma_phys_fcp_rsp = psb->dma_handle + sizeof(struct fcp_cmnd); + pdma_phys_bpl = psb->dma_handle + sizeof(struct fcp_cmnd) + + sizeof(struct fcp_rsp); /* * The first two bdes are the FCP_CMD and FCP_RSP. The balance are sg * list bdes. Initialize the first two and leave the rest for * queuecommand. */ - bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys)); - bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys)); - bpl->tus.f.bdeSize = sizeof (struct fcp_cmnd); - bpl->tus.f.bdeFlags = BUFF_USE_CMND; - bpl->tus.w = le32_to_cpu(bpl->tus.w); - bpl++; + bpl[0].addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys_fcp_cmd)); + bpl[0].addrLow = le32_to_cpu(putPaddrLow(pdma_phys_fcp_cmd)); + bpl[0].tus.f.bdeSize = sizeof(struct fcp_cmnd); + bpl[0].tus.f.bdeFlags = BUFF_TYPE_BDE_64; + bpl[0].tus.w = le32_to_cpu(bpl->tus.w); /* Setup the physical region for the FCP RSP */ - pdma_phys += sizeof (struct fcp_cmnd); - bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys)); - bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys)); - bpl->tus.f.bdeSize = sizeof (struct fcp_rsp); - bpl->tus.f.bdeFlags = (BUFF_USE_CMND | BUFF_USE_RCV); - bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl[1].addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys_fcp_rsp)); + bpl[1].addrLow = le32_to_cpu(putPaddrLow(pdma_phys_fcp_rsp)); + bpl[1].tus.f.bdeSize = sizeof(struct fcp_rsp); + bpl[1].tus.f.bdeFlags = BUFF_TYPE_BDE_64; + bpl[1].tus.w = le32_to_cpu(bpl->tus.w); /* * Since the IOCB for the FCP I/O is built into this lpfc_scsi_buf, * initialize it with all known data now. */ - pdma_phys += (sizeof (struct fcp_rsp)); iocb = &psb->cur_iocbq.iocb; iocb->un.fcpi64.bdl.ulpIoTag32 = 0; - iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys); - iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys); - iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); - iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDL; - iocb->ulpBdeCount = 1; + if (phba->sli_rev == 3) { + /* fill in immediate fcp command BDE */ + iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDE_IMMED; + iocb->un.fcpi64.bdl.bdeSize = sizeof(struct fcp_cmnd); + iocb->un.fcpi64.bdl.addrLow = offsetof(IOCB_t, + unsli3.fcp_ext.icd); + iocb->un.fcpi64.bdl.addrHigh = 0; + iocb->ulpBdeCount = 0; + iocb->ulpLe = 0; + /* fill in responce BDE */ + iocb->unsli3.fcp_ext.rbde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; + iocb->unsli3.fcp_ext.rbde.tus.f.bdeSize = + sizeof(struct fcp_rsp); + iocb->unsli3.fcp_ext.rbde.addrLow = + putPaddrLow(pdma_phys_fcp_rsp); + iocb->unsli3.fcp_ext.rbde.addrHigh = + putPaddrHigh(pdma_phys_fcp_rsp); + } else { + iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BLP_64; + iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); + iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys_bpl); + iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys_bpl); + iocb->ulpBdeCount = 1; + iocb->ulpLe = 1; + } iocb->ulpClass = CLASS3; return psb; @@ -313,8 +335,9 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl; IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; + struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde; dma_addr_t physaddr; - uint32_t i, num_bde = 0; + uint32_t num_bde = 0; int nseg, datadir = scsi_cmnd->sc_data_direction; /* @@ -352,33 +375,64 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) * during probe that limits the number of sg elements in any * single scsi command. Just run through the seg_cnt and format * the bde's. + * When using SLI-3 the driver will try to fit all the BDEs into + * the IOCB. If it can't then the BDEs get added to a BPL as it + * does for SLI-2 mode. */ - scsi_for_each_sg(scsi_cmnd, sgel, nseg, i) { + scsi_for_each_sg(scsi_cmnd, sgel, nseg, num_bde) { physaddr = sg_dma_address(sgel); - bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr)); - bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); - bpl->tus.f.bdeSize = sg_dma_len(sgel); - if (datadir == DMA_TO_DEVICE) - bpl->tus.f.bdeFlags = 0; - else - bpl->tus.f.bdeFlags = BUFF_USE_RCV; - bpl->tus.w = le32_to_cpu(bpl->tus.w); - bpl++; - num_bde++; + if (phba->sli_rev == 3 && + nseg <= LPFC_EXT_DATA_BDE_COUNT) { + data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; + data_bde->tus.f.bdeSize = sg_dma_len(sgel); + data_bde->addrLow = putPaddrLow(physaddr); + data_bde->addrHigh = putPaddrHigh(physaddr); + data_bde++; + } else { + bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; + bpl->tus.f.bdeSize = sg_dma_len(sgel); + bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl->addrLow = + le32_to_cpu(putPaddrLow(physaddr)); + bpl->addrHigh = + le32_to_cpu(putPaddrHigh(physaddr)); + bpl++; + } } } /* * Finish initializing those IOCB fields that are dependent on the - * scsi_cmnd request_buffer. Note that the bdeSize is explicitly - * reinitialized since all iocb memory resources are used many times - * for transmit, receive, and continuation bpl's. + * scsi_cmnd request_buffer. Note that for SLI-2 the bdeSize is + * explicitly reinitialized and for SLI-3 the extended bde count is + * explicitly reinitialized since all iocb memory resources are reused. */ - iocb_cmd->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); - iocb_cmd->un.fcpi64.bdl.bdeSize += - (num_bde * sizeof (struct ulp_bde64)); - iocb_cmd->ulpBdeCount = 1; - iocb_cmd->ulpLe = 1; + if (phba->sli_rev == 3) { + if (num_bde > LPFC_EXT_DATA_BDE_COUNT) { + /* + * The extended IOCB format can only fit 3 BDE or a BPL. + * This I/O has more than 3 BDE so the 1st data bde will + * be a BPL that is filled in here. + */ + physaddr = lpfc_cmd->dma_handle; + data_bde->tus.f.bdeFlags = BUFF_TYPE_BLP_64; + data_bde->tus.f.bdeSize = (num_bde * + sizeof(struct ulp_bde64)); + physaddr += (sizeof(struct fcp_cmnd) + + sizeof(struct fcp_rsp) + + (2 * sizeof(struct ulp_bde64))); + data_bde->addrHigh = putPaddrHigh(physaddr); + data_bde->addrLow = putPaddrLow(physaddr); + /* ebde count includes the responce bde and data bpl */ + iocb_cmd->unsli3.fcp_ext.ebde_count = 2; + } else { + /* ebde count includes the responce bde and data bdes */ + iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1); + } + } else { + iocb_cmd->un.fcpi64.bdl.bdeSize = + ((num_bde + 2) * sizeof(struct ulp_bde64)); + } fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd)); return 0; } @@ -692,6 +746,24 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_release_scsi_buf(phba, lpfc_cmd); } +/** + * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB. + * @data: A pointer to the immediate command data portion of the IOCB. + * @fcp_cmnd: The FCP Command that is provided by the SCSI layer. + * + * The routine copies the entire FCP command from @fcp_cmnd to @data while + * byte swapping the data to big endian format for transmission on the wire. + **/ +static void +lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd) +{ + int i, j; + for (i = 0, j = 0; i < sizeof(struct fcp_cmnd); + i += sizeof(uint32_t), j++) { + ((uint32_t *)data)[j] = cpu_to_be32(((uint32_t *)fcp_cmnd)[j]); + } +} + static void lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_nodelist *pnode) @@ -758,7 +830,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, fcp_cmnd->fcpCntl3 = 0; phba->fc4ControlRequests++; } - + if (phba->sli_rev == 3) + lpfc_fcpcmd_to_iocb(iocb_cmd->unsli3.fcp_ext.icd, fcp_cmnd); /* * Finish initializing those IOCB fields that are independent * of the scsi_cmnd request_buffer @@ -798,11 +871,13 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, piocb = &piocbq->iocb; fcp_cmnd = lpfc_cmd->fcp_cmnd; - int_to_scsilun(lun, &lpfc_cmd->fcp_cmnd->fcp_lun); + /* Clear out any old data in the FCP command area */ + memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd)); + int_to_scsilun(lun, &fcp_cmnd->fcp_lun); fcp_cmnd->fcpCntl2 = task_mgmt_cmd; - + if (vport->phba->sli_rev == 3) + lpfc_fcpcmd_to_iocb(piocb->unsli3.fcp_ext.icd, fcp_cmnd); piocb->ulpCommand = CMD_FCP_ICMND64_CR; - piocb->ulpContext = ndlp->nlp_rpi; if (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { piocb->ulpFCP2Rcvy = 1; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 3cf488496d86..77afa2ba6a2b 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -406,11 +406,8 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) static IOCB_t * lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { - struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : - &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; uint32_t max_cmd_idx = pring->numCiocb; - if ((pring->next_cmdidx == pring->cmdidx) && (++pring->next_cmdidx >= max_cmd_idx)) pring->next_cmdidx = 0; @@ -625,9 +622,11 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) /* * Tell the HBA that there is work to do in this ring. */ - wmb(); - writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); - readl(phba->CAregaddr); /* flush */ + if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { + wmb(); + writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + } } /** @@ -1654,9 +1653,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, static void lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) { - struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : - &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; /* * Ring handler: portRspPut is bigger then * rsp ring @@ -1704,7 +1701,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) IOCB_t *entry = NULL; struct lpfc_iocbq *cmdiocbq = NULL; struct lpfc_iocbq rspiocbq; - struct lpfc_pgp *pgp; + struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; uint32_t status; uint32_t portRspPut, portRspMax; int type; @@ -1714,11 +1711,6 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) pring->stats.iocb_event++; - pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : - &phba->slim2p->mbx.us.s2.port[pring->ringno]; - - /* * The next available response entry should never exceed the maximum * entries. If it does, treat it as an adapter hardware error. @@ -1870,9 +1862,7 @@ static int lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask) { - struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : - &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; IOCB_t *irsp = NULL; IOCB_t *entry = NULL; struct lpfc_iocbq *cmdiocbq = NULL; @@ -2064,9 +2054,7 @@ int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask) { - struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : - &phba->slim2p->mbx.us.s2.port[pring->ringno]; + struct lpfc_pgp *pgp; IOCB_t *entry; IOCB_t *irsp = NULL; struct lpfc_iocbq *rspiocbp = NULL; @@ -2080,6 +2068,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, int rc = 1; unsigned long iflag; + pgp = &phba->port_gp[pring->ringno]; spin_lock_irqsave(&phba->hbalock, iflag); pring->stats.iocb_event++; @@ -2990,13 +2979,15 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) if (rc == -ERESTART) { phba->link_state = LPFC_LINK_UNKNOWN; continue; - } else if (rc) { + } else if (rc) break; - } - phba->link_state = LPFC_INIT_MBX_CMDS; lpfc_config_port(phba, pmb); rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | + LPFC_SLI3_HBQ_ENABLED | + LPFC_SLI3_CRP_ENABLED | + LPFC_SLI3_INB_ENABLED); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0442 Adapter failed to init, mbxCmd x%x " @@ -3006,25 +2997,44 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); rc = -ENXIO; - } else { + } else done = 1; - phba->max_vpi = (phba->max_vpi && - pmb->mb.un.varCfgPort.gmv) != 0 - ? pmb->mb.un.varCfgPort.max_vpi - : 0; - } } - if (!done) { rc = -EINVAL; goto do_prep_failed; } - - if ((pmb->mb.un.varCfgPort.sli_mode == 3) && - (!pmb->mb.un.varCfgPort.cMA)) { - rc = -ENXIO; + if (pmb->mb.un.varCfgPort.sli_mode == 3) { + if (!pmb->mb.un.varCfgPort.cMA) { + rc = -ENXIO; + goto do_prep_failed; + } + if (phba->max_vpi && pmb->mb.un.varCfgPort.gmv) { + phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; + phba->max_vpi = pmb->mb.un.varCfgPort.max_vpi; + } else + phba->max_vpi = 0; + if (pmb->mb.un.varCfgPort.gerbm) + phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; + if (pmb->mb.un.varCfgPort.gcrp) + phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; + if (pmb->mb.un.varCfgPort.ginb) { + phba->sli3_options |= LPFC_SLI3_INB_ENABLED; + phba->port_gp = phba->mbox->us.s3_inb_pgp.port; + phba->inb_ha_copy = &phba->mbox->us.s3_inb_pgp.ha_copy; + phba->inb_counter = &phba->mbox->us.s3_inb_pgp.counter; + phba->inb_last_counter = + phba->mbox->us.s3_inb_pgp.counter; + } else { + phba->port_gp = phba->mbox->us.s3_pgp.port; + phba->inb_ha_copy = NULL; + phba->inb_counter = NULL; + } + } else { + phba->port_gp = phba->mbox->us.s2.port; + phba->inb_ha_copy = NULL; + phba->inb_counter = NULL; } - do_prep_failed: mempool_free(pmb, phba->mbox_mem_pool); return rc; @@ -3085,9 +3095,6 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba) if (phba->sli_rev == 3) { phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; - phba->sli3_options |= LPFC_SLI3_ENABLED; - phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; - } else { phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; @@ -3255,7 +3262,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) int i; unsigned long timeout; unsigned long drvr_flag = 0; - volatile uint32_t word0, ldata; + uint32_t word0, ldata; void __iomem *to_slim; int processing_queue = 0; @@ -3415,12 +3422,11 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* First copy command data to host SLIM area */ - lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); + lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE); } else { if (mb->mbxCommand == MBX_CONFIG_PORT) { /* copy command data into host mbox for cmpl */ - lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, - MAILBOX_CMD_SIZE); + lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE); } /* First copy mbox command data to HBA SLIM, skip past first @@ -3430,7 +3436,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) MAILBOX_CMD_SIZE - sizeof (uint32_t)); /* Next copy over first word, with mbxOwner set */ - ldata = *((volatile uint32_t *)mb); + ldata = *((uint32_t *)mb); to_slim = phba->MBslimaddr; writel(ldata, to_slim); readl(to_slim); /* flush */ @@ -3462,7 +3468,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* First read mbox status word */ - word0 = *((volatile uint32_t *)&phba->slim2p->mbx); + word0 = *((uint32_t *)phba->mbox); word0 = le32_to_cpu(word0); } else { /* First read mbox status word */ @@ -3501,12 +3507,11 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* First copy command data */ - word0 = *((volatile uint32_t *) - &phba->slim2p->mbx); + word0 = *((uint32_t *)phba->mbox); word0 = le32_to_cpu(word0); if (mb->mbxCommand == MBX_CONFIG_PORT) { MAILBOX_t *slimmb; - volatile uint32_t slimword0; + uint32_t slimword0; /* Check real SLIM for any errors */ slimword0 = readl(phba->MBslimaddr); slimmb = (MAILBOX_t *) & slimword0; @@ -3527,8 +3532,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* copy results back to user */ - lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, - MAILBOX_CMD_SIZE); + lpfc_sli_pcimem_bcopy(phba->mbox, mb, MAILBOX_CMD_SIZE); } else { /* First copy command data */ lpfc_memcpy_from_slim(mb, phba->MBslimaddr, @@ -5095,7 +5099,16 @@ lpfc_intr_handler(int irq, void *dev_id) * preserve status) and Link Attention */ spin_lock(&phba->hbalock); - ha_copy = readl(phba->HAregaddr); + if (phba->sli3_options & LPFC_SLI3_INB_ENABLED && + (phba->inb_last_counter != *phba->inb_counter)) { + phba->inb_last_counter = *phba->inb_counter; + ha_copy = le32_to_cpu(*phba->inb_ha_copy); + } else + ha_copy = readl(phba->HAregaddr); + if (unlikely(!ha_copy)) { + spin_unlock(&phba->hbalock); + return IRQ_NONE; + } /* If somebody is waiting to handle an eratt don't process it * here. The brdkill function will do this. */ @@ -5105,9 +5118,6 @@ lpfc_intr_handler(int irq, void *dev_id) readl(phba->HAregaddr); /* flush */ spin_unlock(&phba->hbalock); - if (unlikely(!ha_copy)) - return IRQ_NONE; - work_ha_copy = ha_copy & phba->work_ha_mask; if (unlikely(work_ha_copy)) { @@ -5194,7 +5204,7 @@ lpfc_intr_handler(int irq, void *dev_id) (phba->sli.mbox_active)) { pmb = phba->sli.mbox_active; pmbox = &pmb->mb; - mbox = &phba->slim2p->mbx; + mbox = phba->mbox; vport = pmb->vport; /* First check out the status word */ -- GitLab From d7c255b26d8e3f12164d82093de3bf22efad2b4a Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:00 -0400 Subject: [PATCH 4256/6244] [SCSI] lpfc 8.2.8 : Miscellaneous Bug Fixes Miscellaneous Fixes: - Fix the wrong variable name used for checking node active usage status - Fix numerous duplicate log message numbers - Fix change KERN_WARNING messages to KERN_INFO. - Stop sending erroneous LOGO to fabric after vport is already terminated - Fix HBQ allocates that were kalloc'ing w/ GFP_KERNEL while holding a lock. - Fix gcc 4.3.2 compiler warnings and a sparse warning - Fix bugs in handling unsolicited ct event queue - Reorder some of the initial link up checks, to remove odd VPI states. - Correct poor VPI handling - Add debug messages - Expand Update_CFG mailbox definition - Fix handling of VPD data offsets - Reorder loopback flags - convert to use offsetof() Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 2 +- drivers/scsi/lpfc/lpfc_attr.c | 32 +++++---- drivers/scsi/lpfc/lpfc_crtn.h | 2 +- drivers/scsi/lpfc/lpfc_ct.c | 15 ++--- drivers/scsi/lpfc/lpfc_debugfs.c | 20 +++--- drivers/scsi/lpfc/lpfc_els.c | 87 ++++++++++++------------ drivers/scsi/lpfc/lpfc_hbadisc.c | 18 +++-- drivers/scsi/lpfc/lpfc_hw.h | 31 +++++++++ drivers/scsi/lpfc/lpfc_init.c | 30 ++++----- drivers/scsi/lpfc/lpfc_nportdisc.c | 9 ++- drivers/scsi/lpfc/lpfc_scsi.c | 6 +- drivers/scsi/lpfc/lpfc_sli.c | 105 +++++++++++++++++------------ drivers/scsi/lpfc/lpfc_vport.c | 14 +++- 13 files changed, 219 insertions(+), 152 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 327eeb051087..f57a416033b9 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -499,7 +499,7 @@ struct lpfc_hba { wait_queue_head_t work_waitq; struct task_struct *worker_thread; - long data_flags; + unsigned long data_flags; uint32_t hbq_in_use; /* HBQs in use flag */ struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */ diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 2926a2a7ee70..172b6b0a5704 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1302,7 +1302,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \ return 0;\ }\ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ - "0449 lpfc_"#attr" attribute cannot be set to %d, "\ + "0423 lpfc_"#attr" attribute cannot be set to %d, "\ "allowed range is ["#minval", "#maxval"]\n", val); \ vport->cfg_##attr = default;\ return -EINVAL;\ @@ -1334,7 +1334,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \ return 0;\ }\ lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \ - "0450 lpfc_"#attr" attribute cannot be set to %d, "\ + "0424 lpfc_"#attr" attribute cannot be set to %d, "\ "allowed range is ["#minval", "#maxval"]\n", val); \ return -EINVAL;\ } @@ -1803,7 +1803,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val) vport->cfg_nodev_tmo = vport->cfg_devloss_tmo; if (val != LPFC_DEF_DEVLOSS_TMO) lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0402 Ignoring nodev_tmo module " + "0407 Ignoring nodev_tmo module " "parameter because devloss_tmo is " "set.\n"); return 0; @@ -2030,7 +2030,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val) { if (val < 0 || val > 1) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0449 lpfc_restrict_login attribute cannot " + "0422 lpfc_restrict_login attribute cannot " "be set to %d, allowed range is [0, 1]\n", val); vport->cfg_restrict_login = 1; @@ -2065,7 +2065,7 @@ lpfc_restrict_login_set(struct lpfc_vport *vport, int val) { if (val < 0 || val > 1) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0450 lpfc_restrict_login attribute cannot " + "0425 lpfc_restrict_login attribute cannot " "be set to %d, allowed range is [0, 1]\n", val); vport->cfg_restrict_login = 1; @@ -2249,7 +2249,7 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val) return 0; } lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0454 lpfc_link_speed attribute cannot " + "0405 lpfc_link_speed attribute cannot " "be set to %d, allowed values are " "["LPFC_LINK_SPEED_STRING"]\n", val); phba->cfg_link_speed = 0; @@ -2787,17 +2787,15 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, /* If HBA encountered an error attention, allow only DUMP * or RESTART mailbox commands until the HBA is restarted. */ - if ((phba->pport->stopped) && - (phba->sysfs_mbox.mbox->mb.mbxCommand != - MBX_DUMP_MEMORY && - phba->sysfs_mbox.mbox->mb.mbxCommand != - MBX_RESTART && - phba->sysfs_mbox.mbox->mb.mbxCommand != - MBX_WRITE_VPARMS)) { - sysfs_mbox_idle(phba); - spin_unlock_irq(&phba->hbalock); - return -EPERM; - } + if (phba->pport->stopped && + phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY && + phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART && + phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS && + phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN) + lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, + "1259 mbox: Issued mailbox cmd " + "0x%x while in stopped state.\n", + phba->sysfs_mbox.mbox->mb.mbxCommand); phba->sysfs_mbox.mbox->vport = vport; diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 1b8245213b83..189ce9f8a7b1 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -269,7 +269,7 @@ void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport); struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *); int lpfc_vport_disable(struct fc_vport *fc_vport, bool disable); -void lpfc_mbx_unreg_vpi(struct lpfc_vport *); +int lpfc_mbx_unreg_vpi(struct lpfc_vport *); void destroy_port(struct lpfc_vport *); int lpfc_get_instance(void); void lpfc_host_attrib_init(struct Scsi_Host *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 0f387862cf77..71cfee884b8a 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -134,25 +134,24 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } list_del(&head); } else { - struct lpfc_iocbq *next; - - list_for_each_entry_safe(iocbq, next, &piocbq->list, list) { + INIT_LIST_HEAD(&head); + list_add_tail(&head, &piocbq->list); + list_for_each_entry(iocbq, &head, list) { icmd = &iocbq->iocb; if (icmd->ulpBdeCount == 0) - lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0); + lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0); for (i = 0; i < icmd->ulpBdeCount; i++) { paddr = getPaddr(icmd->un.cont64[i].addrHigh, icmd->un.cont64[i].addrLow); mp = lpfc_sli_ringpostbuf_get(phba, pring, paddr); size = icmd->un.cont64[i].tus.f.bdeSize; - lpfc_ct_unsol_buffer(phba, piocbq, mp, size); + lpfc_ct_unsol_buffer(phba, iocbq, mp, size); lpfc_in_buf_free(phba, mp); } - list_del(&iocbq->list); - lpfc_sli_release_iocbq(phba, iocbq); lpfc_post_buffer(phba, pring, i); } + list_del(&head); } } @@ -861,7 +860,7 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, retry++; lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0216 Retrying NS cmd %x\n", cmdcode); + "0250 Retrying NS cmd %x\n", cmdcode); rc = lpfc_ns_cmd(vport, cmdcode, retry, 0); if (rc == 0) goto out; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 2f6d34924b7d..f85b99a7c43d 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1119,7 +1119,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) atomic_set(&lpfc_debugfs_hba_count, 0); if (!lpfc_debugfs_root) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs root\n"); + "0408 Cannot create debugfs root\n"); goto debug_failed; } } @@ -1133,7 +1133,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) debugfs_create_dir(name, lpfc_debugfs_root); if (!phba->hba_debugfs_root) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs hba\n"); + "0412 Cannot create debugfs hba\n"); goto debug_failed; } atomic_inc(&lpfc_debugfs_hba_count); @@ -1147,7 +1147,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) phba, &lpfc_debugfs_op_hbqinfo); if (!phba->debug_hbqinfo) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs hbqinfo\n"); + "0411 Cannot create debugfs hbqinfo\n"); goto debug_failed; } @@ -1159,7 +1159,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) phba, &lpfc_debugfs_op_dumpHBASlim); if (!phba->debug_dumpHBASlim) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs dumpHBASlim\n"); + "0413 Cannot create debugfs dumpHBASlim\n"); goto debug_failed; } @@ -1171,7 +1171,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) phba, &lpfc_debugfs_op_dumpHostSlim); if (!phba->debug_dumpHostSlim) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs dumpHostSlim\n"); + "0414 Cannot create debugfs dumpHostSlim\n"); goto debug_failed; } @@ -1201,7 +1201,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) phba, &lpfc_debugfs_op_slow_ring_trc); if (!phba->debug_slow_ring_trc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs " + "0415 Cannot create debugfs " "slow_ring_trace\n"); goto debug_failed; } @@ -1212,7 +1212,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) GFP_KERNEL); if (!phba->slow_ring_trc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs " + "0416 Cannot create debugfs " "slow_ring buffer\n"); goto debug_failed; } @@ -1229,7 +1229,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) debugfs_create_dir(name, phba->hba_debugfs_root); if (!vport->vport_debugfs_root) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cant create debugfs"); + "0417 Cant create debugfs"); goto debug_failed; } atomic_inc(&phba->debugfs_vport_count); @@ -1258,7 +1258,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) if (!vport->disc_trc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs disc trace " + "0418 Cannot create debugfs disc trace " "buffer\n"); goto debug_failed; } @@ -1271,7 +1271,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) vport, &lpfc_debugfs_op_disc_trc); if (!vport->debug_disc_trc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs " + "0419 Cannot create debugfs " "discovery_trace\n"); goto debug_failed; } diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 89bd9ab46de7..d0730e79c1a7 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -473,7 +473,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, */ list_for_each_entry_safe(np, next_np, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) + if (!NLP_CHK_NODE_ACT(np)) continue; if ((np->nlp_state != NLP_STE_NPR_NODE) || !(np->nlp_flag & NLP_NPR_ADISC)) @@ -2585,7 +2585,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) ) { lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0123 FDISC Failed (x%x). " + "0122 FDISC Failed (x%x). " "Fabric Detected Bad WWN\n", stat.un.lsRjtError); lpfc_vport_set_state(vport, @@ -3966,7 +3966,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (rscn_id == hba_id) { /* ALL NPortIDs in RSCN are on HBA */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0214 Ignore RSCN " + "0219 Ignore RSCN " "Data: x%x x%x x%x x%x\n", vport->fc_flag, payload_len, *lp, vport->fc_rscn_id_cnt); @@ -5165,8 +5165,6 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } phba->fc_stat.elsRcvFrame++; - if (elsiocb->context1) - lpfc_nlp_put(elsiocb->context1); elsiocb->context1 = lpfc_nlp_get(ndlp); elsiocb->vport = vport; @@ -5376,6 +5374,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, NULL); } + lpfc_nlp_put(elsiocb->context1); + elsiocb->context1 = NULL; return; dropit: @@ -5440,6 +5440,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; + elsiocb->context1 = NULL; elsiocb->context2 = NULL; elsiocb->context3 = NULL; @@ -5487,8 +5488,6 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * The different unsolicited event handlers would tell us * if they are done with "mp" by setting context2 to NULL. */ - lpfc_nlp_put(elsiocb->context1); - elsiocb->context1 = NULL; if (elsiocb->context2) { lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); elsiocb->context2 = NULL; @@ -5750,54 +5749,56 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; /* FDISC failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0124 FDISC failed. (%d/%d)\n", + "0126 FDISC failed. (%d/%d)\n", irsp->ulpStatus, irsp->un.ulpWord[4]); + goto fdisc_failed; + } if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_nlp_put(ndlp); /* giving up on FDISC. Cancel discovery timer */ lpfc_can_disctmo(vport); - } else { - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_FABRIC; - if (vport->phba->fc_topology == TOPOLOGY_LOOP) - vport->fc_flag |= FC_PUBLIC_LOOP; - spin_unlock_irq(shost->host_lock); + spin_lock_irq(shost->host_lock); + vport->fc_flag |= FC_FABRIC; + if (vport->phba->fc_topology == TOPOLOGY_LOOP) + vport->fc_flag |= FC_PUBLIC_LOOP; + spin_unlock_irq(shost->host_lock); - vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; - lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); - if ((vport->fc_prevDID != vport->fc_myDID) && - !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { - /* If our NportID changed, we need to ensure all - * remaining NPORTs get unreg_login'ed so we can - * issue unreg_vpi. - */ - list_for_each_entry_safe(np, next_np, - &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp) || - (np->nlp_state != NLP_STE_NPR_NODE) || - !(np->nlp_flag & NLP_NPR_ADISC)) - continue; - spin_lock_irq(shost->host_lock); - np->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); - lpfc_unreg_rpi(vport, np); - } - lpfc_mbx_unreg_vpi(vport); + vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; + lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); + if ((vport->fc_prevDID != vport->fc_myDID) && + !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { + /* If our NportID changed, we need to ensure all + * remaining NPORTs get unreg_login'ed so we can + * issue unreg_vpi. + */ + list_for_each_entry_safe(np, next_np, + &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp) || + (np->nlp_state != NLP_STE_NPR_NODE) || + !(np->nlp_flag & NLP_NPR_ADISC)) + continue; spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + np->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(shost->host_lock); + lpfc_unreg_rpi(vport, np); } - - if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) - lpfc_register_new_vport(phba, vport, ndlp); - else - lpfc_do_scr_ns_plogi(phba, vport); - - /* Unconditionaly kick off releasing fabric node for vports */ - lpfc_nlp_put(ndlp); + lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); + vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } + if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) + lpfc_register_new_vport(phba, vport, ndlp); + else + lpfc_do_scr_ns_plogi(phba, vport); + goto out; +fdisc_failed: + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + /* Cancel discovery timer */ + lpfc_can_disctmo(vport); + lpfc_nlp_put(ndlp); out: lpfc_els_free_iocb(phba, cmdiocb); } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index aaf398e5c93f..72c1cf15ef2b 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -207,8 +207,16 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) return; } - if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0284 Devloss timeout Ignored on " + "WWPN %x:%x:%x:%x:%x:%x:%x:%x " + "NPort x%x\n", + *name, *(name+1), *(name+2), *(name+3), + *(name+4), *(name+5), *(name+6), *(name+7), + ndlp->nlp_DID); return; + } if (ndlp->nlp_type & NLP_FABRIC) { /* We will clean up these Nodes in linkup */ @@ -1169,7 +1177,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) scsi_host_put(shost); } -void +int lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; @@ -1178,7 +1186,7 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mbox) - return; + return 1; lpfc_unreg_vpi(phba, vport->vpi, mbox); mbox->vport = vport; @@ -1189,7 +1197,9 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) "1800 Could not issue unreg_vpi\n"); mempool_free(mbox, phba->mbox_mem_pool); vport->unreg_vpi_cmpl = VPORT_ERROR; + return rc; } + return 0; } static void @@ -2778,7 +2788,7 @@ restart_disc: default: lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, - "0229 Unexpected discovery timeout, " + "0273 Unexpected discovery timeout, " "vport State x%x\n", vport->port_state); break; } diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index a986332fecf6..9f94dab5ea73 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -2318,6 +2318,36 @@ typedef struct { #define DMP_RSP_OFFSET 0x14 /* word 5 contains first word of rsp */ #define DMP_RSP_SIZE 0x6C /* maximum of 27 words of rsp data */ +/* Structure for MB Command UPDATE_CFG (0x1B) */ + +struct update_cfg_var { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd2:16; + uint32_t type:8; + uint32_t rsvd:1; + uint32_t ra:1; + uint32_t co:1; + uint32_t cv:1; + uint32_t req:4; + uint32_t entry_length:16; + uint32_t region_id:16; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t req:4; + uint32_t cv:1; + uint32_t co:1; + uint32_t ra:1; + uint32_t rsvd:1; + uint32_t type:8; + uint32_t rsvd2:16; + uint32_t region_id:16; + uint32_t entry_length:16; +#endif + + uint32_t resp_info; + uint32_t byte_cnt; + uint32_t data_offset; +}; + struct hbq_mask { #ifdef __BIG_ENDIAN_BITFIELD uint8_t tmatch; @@ -2672,6 +2702,7 @@ typedef union { * NEW_FEATURE */ struct config_hbq_var varCfgHbq;/* cmd = 0x7c (CONFIG_HBQ) */ + struct update_cfg_var varUpdateCfg; /* cmd = 0x1B (UPDATE_CFG)*/ CONFIG_PORT_VAR varCfgPort; /* cmd = 0x88 (CONFIG_PORT) */ REG_VPI_VAR varRegVpi; /* cmd = 0x96 (REG_VPI) */ UNREG_VPI_VAR varUnregVpi; /* cmd = 0x97 (UNREG_VPI) */ diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 6a7a039e8904..b8989c43aaf2 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -183,12 +183,9 @@ lpfc_config_port_prep(struct lpfc_hba *phba) sizeof (phba->RandomData)); /* Get adapter VPD information */ - pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL); - if (!pmb->context2) - goto out_free_mbox; lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL); if (!lpfc_vpd_data) - goto out_free_context2; + goto out_free_mbox; do { lpfc_dump_mem(phba, pmb, offset); @@ -203,15 +200,14 @@ lpfc_config_port_prep(struct lpfc_hba *phba) } if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset) mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset; - lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset, + lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, + lpfc_vpd_data + offset, mb->un.varDmp.word_cnt); offset += mb->un.varDmp.word_cnt; } while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE); lpfc_parse_vpd(phba, lpfc_vpd_data, offset); kfree(lpfc_vpd_data); -out_free_context2: - kfree(pmb->context2); out_free_mbox: mempool_free(pmb, phba->mbox_mem_pool); return 0; @@ -425,9 +421,8 @@ lpfc_config_port_post(struct lpfc_hba *phba) lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - pmb->vport = vport; - rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); lpfc_set_loopback_flag(phba); + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc != MBX_SUCCESS) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0454 Adapter failed to init, mbxCmd x%x " @@ -462,7 +457,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) rc); mempool_free(pmb, phba->mbox_mem_pool); } - return (0); + return 0; } /** @@ -841,7 +836,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) temp_event_data.data = (uint32_t)temperature; lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0459 Adapter maximum temperature exceeded " + "0406 Adapter maximum temperature exceeded " "(%ld), taking this port offline " "Data: x%x x%x x%x\n", temperature, phba->work_hs, @@ -1595,7 +1590,7 @@ lpfc_cleanup(struct lpfc_vport *vport) &vport->fc_nodes, nlp_listp) { lpfc_printf_vlog(ndlp->vport, KERN_ERR, LOG_NODE, - "0282: did:x%x ndlp:x%p " + "0282 did:x%x ndlp:x%p " "usgmap:x%x refcnt:%d\n", ndlp->nlp_DID, (void *)ndlp, ndlp->nlp_usg_map, @@ -2320,10 +2315,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_iounmap; memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE); - phba->mbox = phba->slim2p.virt; - phba->pcb = (phba->slim2p.virt + sizeof(MAILBOX_t)); - phba->IOCBs = (phba->slim2p.virt + sizeof(MAILBOX_t) + - sizeof(struct _PCB)); + phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx); + phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb)); + phba->IOCBs = (phba->slim2p.virt + + offsetof(struct lpfc_sli2_slim, IOCBs)); phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev, lpfc_sli_hbq_size(), @@ -2889,7 +2884,8 @@ lpfc_init(void) error = pci_register_driver(&lpfc_driver); if (error) { fc_release_transport(lpfc_transport_template); - fc_release_transport(lpfc_vport_transport_template); + if (lpfc_enable_npiv) + fc_release_transport(lpfc_vport_transport_template); } return error; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 705c4ae1bdc3..83ffa75378e5 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1853,8 +1853,13 @@ static uint32_t lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + if (ndlp->nlp_DID == Fabric_DID) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + spin_unlock_irq(shost->host_lock); + } lpfc_unreg_rpi(vport, ndlp); - /* This routine does nothing, just return the current state */ return ndlp->nlp_state; } @@ -2143,7 +2148,7 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_nlp_put(ndlp); } else { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0212 DSM out state %d on NPort free\n", rc); + "0213 DSM out state %d on NPort free\n", rc); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, "DSM out: ste:%d did:x%x flg:x%x", diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c1bb90cf0d06..b73968b2b8b4 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -627,9 +627,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, cmd->result = ScsiResult(DID_BUS_BUSY, 0); break; case IOSTAT_LOCAL_REJECT: - if (lpfc_cmd->result == RJT_UNAVAIL_PERM || + if (lpfc_cmd->result == IOERR_INVALID_RPI || lpfc_cmd->result == IOERR_NO_RESOURCES || - lpfc_cmd->result == RJT_LOGIN_REQUIRED) { + lpfc_cmd->result == IOERR_ABORT_REQUESTED) { cmd->result = ScsiResult(DID_REQUEUE, 0); break; } /* else: fall through */ @@ -1318,7 +1318,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp = NULL; int match; - int ret = SUCCESS, status, i; + int ret = SUCCESS, status = SUCCESS, i; int cnt; struct lpfc_scsi_buf * lpfc_cmd; unsigned long later; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 77afa2ba6a2b..c7a520fa1aaa 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -844,48 +844,58 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = { * @hbqno: HBQ number. * @count: Number of HBQ buffers to be posted. * - * This function is called with no lock held to post more - * hbq buffers to the given HBQ. The function returns 0 - * when successful and returns 1 other wise. + * This function is called with no lock held to post more hbq buffers to the + * given HBQ. The function returns the number of HBQ buffers successfully + * posted. **/ static int lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) { - uint32_t i, start, end; + uint32_t i, posted = 0; unsigned long flags; struct hbq_dmabuf *hbq_buffer; - + LIST_HEAD(hbq_buf_list); if (!phba->hbqs[hbqno].hbq_alloc_buffer) return 0; - start = phba->hbqs[hbqno].buffer_count; - end = count + start; - if (end > lpfc_hbq_defs[hbqno]->entry_count) - end = lpfc_hbq_defs[hbqno]->entry_count; - + if ((phba->hbqs[hbqno].buffer_count + count) > + lpfc_hbq_defs[hbqno]->entry_count) + count = lpfc_hbq_defs[hbqno]->entry_count - + phba->hbqs[hbqno].buffer_count; + if (!count) + return 0; + /* Allocate HBQ entries */ + for (i = 0; i < count; i++) { + hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); + if (!hbq_buffer) + break; + list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); + } /* Check whether HBQ is still in use */ spin_lock_irqsave(&phba->hbalock, flags); if (!phba->hbq_in_use) - goto out; - - /* Populate HBQ entries */ - for (i = start; i < end; i++) { - hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); - if (!hbq_buffer) - goto err; - hbq_buffer->tag = (i | (hbqno << 16)); - if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) + goto err; + while (!list_empty(&hbq_buf_list)) { + list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, + dbuf.list); + hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | + (hbqno << 16)); + if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { phba->hbqs[hbqno].buffer_count++; - else + posted++; + } else (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); } - - out: spin_unlock_irqrestore(&phba->hbalock, flags); - return 0; - err: + return posted; +err: spin_unlock_irqrestore(&phba->hbalock, flags); - return 1; + while (!list_empty(&hbq_buf_list)) { + list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, + dbuf.list); + (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); + } + return 0; } /** @@ -894,8 +904,8 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) * @qno: HBQ number. * * This function posts more buffers to the HBQ. This function - * is called with no lock held. The function returns 0 when - * successful and returns 1 otherwise. + * is called with no lock held. The function returns the number of HBQ entries + * successfully allocated. **/ int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) @@ -911,7 +921,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) * * This function is called from SLI initialization code path with * no lock held to post initial HBQ buffers to firmware. The - * function returns 0 when successful and returns 1 otherwise. + * function returns the number of HBQ entries successfully allocated. **/ static int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) @@ -1253,7 +1263,9 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba) * This function is called from unsolicited event handler code path to get the * HBQ buffer associated with an unsolicited iocb. This function is called with * no lock held. It returns the buffer associated with the given tag and posts - * another buffer to the firmware. + * another buffer to the firmware. Note that the new buffer must be allocated + * before taking the hbalock and that the hba lock must be held until it is + * finished with the hbq entry swap. **/ static struct lpfc_dmabuf * lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) @@ -1264,22 +1276,28 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) dma_addr_t phys; /* mapped address */ unsigned long flags; + hbqno = tag >> 16; + new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); /* Check whether HBQ is still in use */ spin_lock_irqsave(&phba->hbalock, flags); if (!phba->hbq_in_use) { + if (new_hbq_entry) + (phba->hbqs[hbqno].hbq_free_buffer)(phba, + new_hbq_entry); spin_unlock_irqrestore(&phba->hbalock, flags); return NULL; } hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); if (hbq_entry == NULL) { + if (new_hbq_entry) + (phba->hbqs[hbqno].hbq_free_buffer)(phba, + new_hbq_entry); spin_unlock_irqrestore(&phba->hbalock, flags); return NULL; } list_del(&hbq_entry->dbuf.list); - hbqno = tag >> 16; - new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); if (new_hbq_entry == NULL) { list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list); spin_unlock_irqrestore(&phba->hbalock, flags); @@ -1748,8 +1766,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) irsp->un.ulpWord[3], irsp->un.ulpWord[4], irsp->un.ulpWord[5], - *(((uint32_t *) irsp) + 6), - *(((uint32_t *) irsp) + 7)); + *(uint32_t *)&irsp->un1, + *((uint32_t *)&irsp->un1 + 1)); } switch (type) { @@ -1935,8 +1953,8 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, irsp->un.ulpWord[3], irsp->un.ulpWord[4], irsp->un.ulpWord[5], - *(((uint32_t *) irsp) + 6), - *(((uint32_t *) irsp) + 7)); + *(uint32_t *)&irsp->un1, + *((uint32_t *)&irsp->un1 + 1)); } switch (type) { @@ -2921,10 +2939,8 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) mempool_free(pmb, phba->mbox_mem_pool); /* Initially populate or replenish the HBQs */ - for (hbqno = 0; hbqno < hbq_count; ++hbqno) { - if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno)) - return -ENOMEM; - } + for (hbqno = 0; hbqno < hbq_count; ++hbqno) + lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); return 0; } @@ -3034,6 +3050,7 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) phba->port_gp = phba->mbox->us.s2.port; phba->inb_ha_copy = NULL; phba->inb_counter = NULL; + phba->max_vpi = 0; } do_prep_failed: mempool_free(pmb, phba->mbox_mem_pool); @@ -4335,7 +4352,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, spin_unlock_irq(&phba->hbalock); lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0410 Cannot find virtual addr for buffer tag on " + "0402 Cannot find virtual addr for buffer tag on " "ring %d Data x%lx x%p x%p x%x\n", pring->ringno, (unsigned long) tag, slp->next, slp->prev, pring->postbufq_cnt); @@ -4482,7 +4499,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* ELS cmd tag completes */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "0133 Ignoring ELS cmd tag x%x completion Data: " + "0139 Ignoring ELS cmd tag x%x completion Data: " "x%x x%x x%x\n", irsp->ulpIoTag, irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout); @@ -4568,6 +4585,8 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, iabt->un.acxri.abortIoTag, abtsiocbp->iotag); retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); + if (retval) + __lpfc_sli_release_iocbq(phba, abtsiocbp); abort_iotag_exit: /* * Caller to this routine should check for IOCB_ERROR @@ -4899,7 +4918,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, } } else { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - ":0332 IOCB wait issue failed, Data x%x\n", + "0332 IOCB wait issue failed, Data x%x\n", retval); retval = IOCB_ERROR; } @@ -5271,7 +5290,7 @@ lpfc_intr_handler(int irq, void *dev_id) lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "0306 rc should have" + "0350 rc should have" "been MBX_BUSY"); goto send_current_mbox; } diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index ad0f65313878..2578d5fd9537 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -577,8 +577,12 @@ lpfc_vport_delete(struct fc_vport *fc_vport) * initiated after we've disposed of all other resources associated * with the port. */ - if (!scsi_host_get(shost) || !scsi_host_get(shost)) + if (!scsi_host_get(shost)) return VPORT_INVAL; + if (!scsi_host_get(shost)) { + scsi_host_put(shost); + return VPORT_INVAL; + } spin_lock_irq(&phba->hbalock); vport->load_flag |= FC_UNLOADING; spin_unlock_irq(&phba->hbalock); @@ -668,6 +672,8 @@ lpfc_vport_delete(struct fc_vport *fc_vport) } vport->unreg_vpi_cmpl = VPORT_INVAL; timeout = msecs_to_jiffies(phba->fc_ratov * 2000); + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + goto skip_logo; if (!lpfc_issue_els_npiv_logo(vport, ndlp)) while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout) timeout = schedule_timeout(timeout); @@ -689,8 +695,10 @@ skip_logo: * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) * does the scsi_host_put() to release the vport. */ - lpfc_mbx_unreg_vpi(vport); - } + if (lpfc_mbx_unreg_vpi(vport)) + scsi_host_put(shost); + } else + scsi_host_put(shost); lpfc_free_vpi(phba, vport->vpi); vport->work_port_events = 0; -- GitLab From 84774a4d0a4dba8a5767da6c58ea5a8c5b0cfe25 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:06 -0400 Subject: [PATCH 4257/6244] [SCSI] lpfc 8.2.8 : Add new FCOE hardware support Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 4 +- drivers/scsi/lpfc/lpfc_attr.c | 33 ++++++++++++++-- drivers/scsi/lpfc/lpfc_hbadisc.c | 66 +++++++++++++++++++++++++++----- drivers/scsi/lpfc/lpfc_hw.h | 26 ++++++++++++- drivers/scsi/lpfc/lpfc_init.c | 30 ++++++++++++++- drivers/scsi/lpfc/lpfc_sli.c | 12 ++++++ drivers/scsi/lpfc/lpfc_sli.h | 1 + 7 files changed, 153 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index f57a416033b9..aee5444b63d9 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -613,6 +613,7 @@ struct lpfc_hba { unsigned long last_completion_time; struct timer_list hb_tmofunc; uint8_t hb_outstanding; + enum hba_temp_state over_temp_state; /* ndlp reference management */ spinlock_t ndlp_lock; /* @@ -621,7 +622,8 @@ struct lpfc_hba { */ #define QUE_BUFTAG_BIT (1<<31) uint32_t buffer_tag_count; - enum hba_temp_state over_temp_state; + int wait_4_mlo_maint_flg; + wait_queue_head_t wait_4_mlo_m_q; }; static inline struct Scsi_Host * diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 172b6b0a5704..b9acc6eefe62 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -210,6 +210,25 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr, return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType); } +/** + * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag. + * @dev: class converted to a Scsi_host structure. + * @attr: device attribute, not used. + * @buf: on return contains the Menlo Maintenance sli flag. + * + * Returns: size of formatted string. + **/ +static ssize_t +lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata; + struct lpfc_hba *phba = vport->phba; + + return snprintf(buf, PAGE_SIZE, "%d\n", + (phba->sli.sli_flag & LPFC_MENLO_MAINT)); +} + /** * lpfc_vportnum_show: Return the port number in ascii of the hba. * @dev: class converted to a Scsi_host structure. @@ -352,8 +371,10 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr, "Unknown\n"); break; } - - if (phba->fc_topology == TOPOLOGY_LOOP) { + if (phba->sli.sli_flag & LPFC_MENLO_MAINT) + len += snprintf(buf + len, PAGE_SIZE-len, + " Menlo Maint Mode\n"); + else if (phba->fc_topology == TOPOLOGY_LOOP) { if (vport->fc_flag & FC_PUBLIC_LOOP) len += snprintf(buf + len, PAGE_SIZE-len, " Public Loop\n"); @@ -1476,6 +1497,7 @@ static DEVICE_ATTR(option_rom_version, S_IRUGO, lpfc_option_rom_version_show, NULL); static DEVICE_ATTR(num_discovered_ports, S_IRUGO, lpfc_num_discovered_ports_show, NULL); +static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL); static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL); static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL); static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR, @@ -2395,6 +2417,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_option_rom_version, &dev_attr_link_state, &dev_attr_num_discovered_ports, + &dev_attr_menlo_mgmt_mode, &dev_attr_lpfc_drvr_version, &dev_attr_lpfc_temp_sensor, &dev_attr_lpfc_log_verbose, @@ -2763,6 +2786,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, case MBX_DEL_LD_ENTRY: case MBX_SET_VARIABLE: case MBX_WRITE_WWN: + case MBX_PORT_CAPABILITIES: + case MBX_PORT_IOV_CONTROL: break; case MBX_READ_SPARM64: case MBX_READ_LA: @@ -2867,7 +2892,7 @@ static struct bin_attribute sysfs_mbox_attr = { }; /** - * lpfc_alloc_sysfs_attr: Creates the sysfs, ctlreg, menlo and mbox entries. + * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries. * @vport: address of lpfc vport structure. * * Return codes: @@ -2898,7 +2923,7 @@ out: } /** - * lpfc_free_sysfs_attr: Removes the sysfs, ctlreg, menlo and mbox entries. + * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries. * @vport: address of lpfc vport structure. **/ void diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 72c1cf15ef2b..b4ef83623532 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1013,14 +1013,10 @@ out: } static void -lpfc_mbx_issue_link_down(struct lpfc_hba *phba) +lpfc_enable_la(struct lpfc_hba *phba) { uint32_t control; struct lpfc_sli *psli = &phba->sli; - - lpfc_linkdown(phba); - - /* turn on Link Attention interrupts - no CLEAR_LA needed */ spin_lock_irq(&phba->hbalock); psli->sli_flag |= LPFC_PROCESS_LA; control = readl(phba->HCregaddr); @@ -1030,6 +1026,15 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); } +static void +lpfc_mbx_issue_link_down(struct lpfc_hba *phba) +{ + lpfc_linkdown(phba); + lpfc_enable_la(phba); + /* turn on Link Attention interrupts - no CLEAR_LA needed */ +} + + /* * This routine handles processing a READ_LA mailbox * command upon completion. It is setup in the LPFC_MBOXQ @@ -1077,8 +1082,12 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } phba->fc_eventTag = la->eventTag; + if (la->mm) + phba->sli.sli_flag |= LPFC_MENLO_MAINT; + else + phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; - if (la->attType == AT_LINK_UP) { + if (la->attType == AT_LINK_UP && (!la->mm)) { phba->fc_stat.LinkUp++; if (phba->link_flag & LS_LOOPBACK_MODE) { lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, @@ -1090,13 +1099,15 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) } else { lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, "1303 Link Up Event x%x received " - "Data: x%x x%x x%x x%x\n", + "Data: x%x x%x x%x x%x x%x x%x %d\n", la->eventTag, phba->fc_eventTag, la->granted_AL_PA, la->UlnkSpeed, - phba->alpa_map[0]); + phba->alpa_map[0], + la->mm, la->fa, + phba->wait_4_mlo_maint_flg); } lpfc_mbx_process_link_up(phba, la); - } else { + } else if (la->attType == AT_LINK_DOWN) { phba->fc_stat.LinkDown++; if (phba->link_flag & LS_LOOPBACK_MODE) { lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, @@ -1109,11 +1120,46 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) else { lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, "1305 Link Down Event x%x received " + "Data: x%x x%x x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag, + la->mm, la->fa); + } + lpfc_mbx_issue_link_down(phba); + } + if (la->mm && la->attType == AT_LINK_UP) { + if (phba->link_state != LPFC_LINK_DOWN) { + phba->fc_stat.LinkDown++; + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1312 Link Down Event x%x received " + "Data: x%x x%x x%x\n", + la->eventTag, phba->fc_eventTag, + phba->pport->port_state, vport->fc_flag); + lpfc_mbx_issue_link_down(phba); + } else + lpfc_enable_la(phba); + + lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, + "1310 Menlo Maint Mode Link up Event x%x rcvd " "Data: x%x x%x x%x\n", la->eventTag, phba->fc_eventTag, phba->pport->port_state, vport->fc_flag); + /* + * The cmnd that triggered this will be waiting for this + * signal. + */ + /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ + if (phba->wait_4_mlo_maint_flg) { + phba->wait_4_mlo_maint_flg = 0; + wake_up_interruptible(&phba->wait_4_mlo_m_q); } - lpfc_mbx_issue_link_down(phba); + } + + if (la->fa) { + if (la->mm) + lpfc_issue_clear_la(phba, vport); + lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, + "1311 fa %d\n", la->fa); } lpfc_mbx_cmpl_read_la_free_mbuf: diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 9f94dab5ea73..ee4e50175ca8 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1107,6 +1107,8 @@ typedef struct { /* Start FireFly Register definitions */ #define PCI_VENDOR_ID_EMULEX 0x10df #define PCI_DEVICE_ID_FIREFLY 0x1ae5 +#define PCI_DEVICE_ID_PROTEUS_VF 0xe100 +#define PCI_DEVICE_ID_PROTEUS_PF 0xe180 #define PCI_DEVICE_ID_SAT_SMB 0xf011 #define PCI_DEVICE_ID_SAT_MID 0xf015 #define PCI_DEVICE_ID_RFLY 0xf095 @@ -1133,10 +1135,12 @@ typedef struct { #define PCI_DEVICE_ID_LP11000S 0xfc10 #define PCI_DEVICE_ID_LPE11000S 0xfc20 #define PCI_DEVICE_ID_SAT_S 0xfc40 +#define PCI_DEVICE_ID_PROTEUS_S 0xfc50 #define PCI_DEVICE_ID_HELIOS 0xfd00 #define PCI_DEVICE_ID_HELIOS_SCSP 0xfd11 #define PCI_DEVICE_ID_HELIOS_DCSP 0xfd12 #define PCI_DEVICE_ID_ZEPHYR 0xfe00 +#define PCI_DEVICE_ID_HORNET 0xfe05 #define PCI_DEVICE_ID_ZEPHYR_SCSP 0xfe11 #define PCI_DEVICE_ID_ZEPHYR_DCSP 0xfe12 @@ -1154,6 +1158,7 @@ typedef struct { #define ZEPHYR_JEDEC_ID 0x0577 #define VIPER_JEDEC_ID 0x4838 #define SATURN_JEDEC_ID 0x1004 +#define HORNET_JDEC_ID 0x2057706D #define JEDEC_ID_MASK 0x0FFFF000 #define JEDEC_ID_SHIFT 12 @@ -1289,6 +1294,9 @@ typedef struct { /* FireFly BIU registers */ #define MBX_WRITE_VPARMS 0x32 #define MBX_ASYNCEVT_ENABLE 0x33 +#define MBX_PORT_CAPABILITIES 0x3B +#define MBX_PORT_IOV_CONTROL 0x3C + #define MBX_CONFIG_HBQ 0x7C #define MBX_LOAD_AREA 0x81 #define MBX_RUN_BIU_DIAG64 0x84 @@ -2195,7 +2203,10 @@ typedef struct { typedef struct { uint32_t eventTag; /* Event tag */ #ifdef __BIG_ENDIAN_BITFIELD - uint32_t rsvd1:22; + uint32_t rsvd1:19; + uint32_t fa:1; + uint32_t mm:1; /* Menlo Maintenance mode enabled */ + uint32_t rx:1; uint32_t pb:1; uint32_t il:1; uint32_t attType:8; @@ -2203,7 +2214,10 @@ typedef struct { uint32_t attType:8; uint32_t il:1; uint32_t pb:1; - uint32_t rsvd1:22; + uint32_t rx:1; + uint32_t mm:1; + uint32_t fa:1; + uint32_t rsvd1:19; #endif #define AT_RESERVED 0x00 /* Reserved - attType */ @@ -2224,6 +2238,7 @@ typedef struct { #define TOPOLOGY_PT_PT 0x01 /* Topology is pt-pt / pt-fabric */ #define TOPOLOGY_LOOP 0x02 /* Topology is FC-AL */ +#define TOPOLOGY_LNK_MENLO_MAINTENANCE 0x05 /* maint mode zephtr to menlo */ union { struct ulp_bde lilpBde; /* This BDE points to a 128 byte buffer @@ -3346,3 +3361,10 @@ lpfc_error_lost_link(IOCB_t *iocbp) iocbp->un.ulpWord[4] == IOERR_LINK_DOWN || iocbp->un.ulpWord[4] == IOERR_SLI_DOWN)); } + +#define MENLO_TRANSPORT_TYPE 0xfe +#define MENLO_CONTEXT 0 +#define MENLO_PU 3 +#define MENLO_TIMEOUT 30 +#define SETVAR_MLOMNT 0x103107 +#define SETVAR_MLORST 0x103007 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index b8989c43aaf2..41a8c13e6950 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1130,6 +1130,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) lpfc_vpd_t *vp; uint16_t dev_id = phba->pcidev->device; int max_speed; + int GE = 0; struct { char * name; int max_speed; @@ -1261,6 +1262,19 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) case PCI_DEVICE_ID_SAT_S: m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"}; break; + case PCI_DEVICE_ID_HORNET: + m = (typeof(m)){"LP21000", max_speed, "PCIe"}; + GE = 1; + break; + case PCI_DEVICE_ID_PROTEUS_VF: + m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; + break; + case PCI_DEVICE_ID_PROTEUS_PF: + m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"}; + break; + case PCI_DEVICE_ID_PROTEUS_S: + m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"}; + break; default: m = (typeof(m)){ NULL }; break; @@ -1270,8 +1284,11 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) snprintf(mdp, 79,"%s", m.name); if (descp && descp[0] == '\0') snprintf(descp, 255, - "Emulex %s %dGb %s Fibre Channel Adapter", - m.name, m.max_speed, m.bus); + "Emulex %s %d%s %s %s", + m.name, m.max_speed, + (GE) ? "GE" : "Gb", + m.bus, + (GE) ? "FCoE Adapter" : "Fibre Channel Adapter"); } /** @@ -2248,6 +2265,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_free_phba; INIT_LIST_HEAD(&phba->port_list); + init_waitqueue_head(&phba->wait_4_mlo_m_q); /* * Get all the module params for configuring this host and then * establish the host. @@ -2796,6 +2814,8 @@ static struct pci_device_id lpfc_id_table[] = { PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET, + PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP, PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP, @@ -2826,6 +2846,12 @@ static struct pci_device_id lpfc_id_table[] = { PCI_ANY_ID, PCI_ANY_ID, }, {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S, PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF, + PCI_ANY_ID, PCI_ANY_ID, }, + {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S, + PCI_ANY_ID, PCI_ANY_ID, }, { 0 } }; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index c7a520fa1aaa..857bc0a57c47 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1050,6 +1050,8 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_REG_VPI: case MBX_UNREG_VPI: case MBX_HEARTBEAT: + case MBX_PORT_CAPABILITIES: + case MBX_PORT_IOV_CONTROL: ret = mbxCommand; break; default: @@ -3697,6 +3699,16 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * can be issued if the link is not up. */ switch (piocb->iocb.ulpCommand) { + case CMD_GEN_REQUEST64_CR: + case CMD_GEN_REQUEST64_CX: + if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || + (piocb->iocb.un.genreq64.w5.hcsw.Rctl != + FC_FCP_CMND) || + (piocb->iocb.un.genreq64.w5.hcsw.Type != + MENLO_TRANSPORT_TYPE)) + + goto iocb_busy; + break; case CMD_QUE_RING_BUF_CN: case CMD_QUE_RING_BUF64_CN: /* diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 7249fd252cbb..883938652a6a 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -233,6 +233,7 @@ struct lpfc_sli { #define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */ #define LPFC_PROCESS_LA 0x400 /* Able to process link attention */ #define LPFC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */ +#define LPFC_MENLO_MAINT 0x1000 /* need for menl fw download */ struct lpfc_sli_ring ring[LPFC_MAX_RING]; int fcp_ring; /* ring used for FCP initiator commands */ -- GitLab From a8e497d51e6adb2dd6ef307ae76f3433a4dbe895 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:11 -0400 Subject: [PATCH 4258/6244] [SCSI] lpfc 8.2.8 : Add support for PCI-EEH permanent disabling Add support for PCI-EEH permanent-disabling a device via lpfc_pci_remove_one() Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_crtn.h | 2 + drivers/scsi/lpfc/lpfc_hbadisc.c | 2 - drivers/scsi/lpfc/lpfc_init.c | 9 ++++- drivers/scsi/lpfc/lpfc_scsi.c | 29 +++++++++++++++ drivers/scsi/lpfc/lpfc_sli.c | 64 ++++++++++++++++++++++++++++++++ 5 files changed, 103 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 189ce9f8a7b1..495afd06936b 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -199,6 +199,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *, uint32_t); void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t); void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *); +void lpfc_sli_flush_fcp_rings(struct lpfc_hba *); int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_dmabuf *); struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, @@ -290,6 +291,7 @@ void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); void lpfc_adjust_queue_depth(struct lpfc_hba *); void lpfc_ramp_down_queue_handler(struct lpfc_hba *); void lpfc_ramp_up_queue_handler(struct lpfc_hba *); +void lpfc_scsi_dev_block(struct lpfc_hba *); #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) #define HBA_EVENT_RSCN 5 diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index b4ef83623532..897ef7d7a8e9 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -237,8 +237,6 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], ndlp->nlp_sid, 0, LPFC_CTX_TGT); } - if (vport->load_flag & FC_UNLOADING) - warn_on = 0; if (warn_on) { lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 41a8c13e6950..333166b17908 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2661,8 +2661,15 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev, struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; - if (state == pci_channel_io_perm_failure) + if (state == pci_channel_io_perm_failure) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0472 PCI channel I/O permanent failure\n"); + /* Block all SCSI devices' I/Os on the host */ + lpfc_scsi_dev_block(phba); + /* Clean up all driver's outstanding SCSI I/Os */ + lpfc_sli_flush_fcp_rings(phba); return PCI_ERS_RESULT_DISCONNECT; + } pci_disable_device(pdev); /* diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index b73968b2b8b4..3606b7098fc1 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -183,6 +183,35 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) atomic_set(&phba->num_cmd_success, 0); } +/** + * lpfc_scsi_dev_block: set all scsi hosts to block state. + * @phba: Pointer to HBA context object. + * + * This function walks vport list and set each SCSI host to block state + * by invoking fc_remote_port_delete() routine. This function is invoked + * with EEH when device's PCI slot has been permanently disabled. + **/ +void +lpfc_scsi_dev_block(struct lpfc_hba *phba) +{ + struct lpfc_vport **vports; + struct Scsi_Host *shost; + struct scsi_device *sdev; + struct fc_rport *rport; + int i; + + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) + for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + shost = lpfc_shost_from_vport(vports[i]); + shost_for_each_device(sdev, shost) { + rport = starget_to_rport(scsi_target(sdev)); + fc_remote_port_delete(rport); + } + } + lpfc_destroy_vport_work_array(phba, vports); +} + /* * This routine allocates a scsi buffer, which contains all the necessary * information needed to initiate a SCSI I/O. The non-DMAable buffer region diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 857bc0a57c47..1812e18246d5 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2376,6 +2376,70 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) } } +/** + * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring. + * @phba: Pointer to HBA context object. + * + * This function flushes all iocbs in the fcp ring and frees all the iocb + * objects in txq and txcmplq. This function will not issue abort iocbs + * for all the iocb commands in txcmplq, they will just be returned with + * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI + * slot has been permanently disabled. + **/ +void +lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) +{ + LIST_HEAD(txq); + LIST_HEAD(txcmplq); + struct lpfc_iocbq *iocb; + IOCB_t *cmd = NULL; + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring; + + /* Currently, only one fcp ring */ + pring = &psli->ring[psli->fcp_ring]; + + spin_lock_irq(&phba->hbalock); + /* Retrieve everything on txq */ + list_splice_init(&pring->txq, &txq); + pring->txq_cnt = 0; + + /* Retrieve everything on the txcmplq */ + list_splice_init(&pring->txcmplq, &txcmplq); + pring->txcmplq_cnt = 0; + spin_unlock_irq(&phba->hbalock); + + /* Flush the txq */ + while (!list_empty(&txq)) { + iocb = list_get_first(&txq, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_DOWN; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } + } + + /* Flush the txcmpq */ + while (!list_empty(&txcmplq)) { + iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list); + cmd = &iocb->iocb; + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_DOWN; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } + } +} + /** * lpfc_sli_brdready: Check for host status bits. * @phba: Pointer to HBA context object. -- GitLab From 0f1f53a7efd60d7cdd8e82925f0c62dcf64ba092 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:18 -0400 Subject: [PATCH 4259/6244] [SCSI] lpfc 8.2.8 : Update driver to use new Host byte error code DID_TRANSPORT_DISRUPTED [jejb: drop rejecting hunk altered by target busy patches] Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_scsi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 3606b7098fc1..5dae4d306758 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -653,7 +653,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, break; case IOSTAT_NPORT_BSY: case IOSTAT_FABRIC_BSY: - cmd->result = ScsiResult(DID_BUS_BUSY, 0); + cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0); break; case IOSTAT_LOCAL_REJECT: if (lpfc_cmd->result == IOERR_INVALID_RPI || @@ -669,7 +669,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, if (!pnode || !NLP_CHK_NODE_ACT(pnode) || (pnode->nlp_state != NLP_STE_MAPPED_NODE)) - cmd->result = ScsiResult(DID_BUS_BUSY, SAM_STAT_BUSY); + cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, + SAM_STAT_BUSY); } else { cmd->result = ScsiResult(DID_OK, 0); } -- GitLab From 9399627f340794baebf7e4581470ccb92f019acc Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:30 -0400 Subject: [PATCH 4260/6244] [SCSI] lpfc 8.2.8 : Add MSI-X support Add support for MSI-X Multi-Message interrupts. We use different vectors for fast-path interrupts (i/o) and slow-patch interrupts (discovery, etc). Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 35 ++- drivers/scsi/lpfc/lpfc_attr.c | 8 +- drivers/scsi/lpfc/lpfc_crtn.h | 43 ++-- drivers/scsi/lpfc/lpfc_hbadisc.c | 2 + drivers/scsi/lpfc/lpfc_hw.h | 63 ++++- drivers/scsi/lpfc/lpfc_init.c | 230 ++++++++++++++---- drivers/scsi/lpfc/lpfc_mbox.c | 80 +++++- drivers/scsi/lpfc/lpfc_sli.c | 401 ++++++++++++++++++++++++------- drivers/scsi/lpfc/lpfc_version.h | 4 +- 9 files changed, 699 insertions(+), 167 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index aee5444b63d9..181538466117 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -49,6 +49,9 @@ struct lpfc_sli2_slim; #define LPFC_HB_MBOX_INTERVAL 5 /* Heart beat interval in seconds. */ #define LPFC_HB_MBOX_TIMEOUT 30 /* Heart beat timeout in seconds. */ +/* Error Attention event polling interval */ +#define LPFC_ERATT_POLL_INTERVAL 5 /* EATT poll interval in seconds */ + /* Define macros for 64 bit support */ #define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr))) #define putPaddrHigh(addr) ((uint32_t) (0xffffffff & (((u64)(addr))>>32))) @@ -60,6 +63,9 @@ struct lpfc_sli2_slim; #define MAX_HBAEVT 32 +/* Number of MSI-X vectors the driver uses */ +#define LPFC_MSIX_VECTORS 2 + /* lpfc wait event data ready flag */ #define LPFC_DATA_READY (1<<0) @@ -423,12 +429,16 @@ struct lpfc_hba { #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ + uint32_t hba_flag; /* hba generic flags */ +#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ + struct lpfc_dmabuf slim2p; MAILBOX_t *mbox; uint32_t *inb_ha_copy; uint32_t *inb_counter; uint32_t inb_last_counter; + uint32_t ha_copy; struct _PCB *pcb; struct _IOCB *IOCBs; @@ -544,6 +554,7 @@ struct lpfc_hba { uint8_t soft_wwn_enable; struct timer_list fcp_poll_timer; + struct timer_list eratt_poll; /* * stat counters @@ -573,7 +584,7 @@ struct lpfc_hba { struct fc_host_statistics link_stats; enum intr_type_t intr_type; - struct msix_entry msix_entries[1]; + struct msix_entry msix_entries[LPFC_MSIX_VECTORS]; struct list_head port_list; struct lpfc_vport *pport; /* physical lpfc_vport pointer */ @@ -660,6 +671,28 @@ lpfc_worker_wake_up(struct lpfc_hba *phba) return; } +static inline void +lpfc_sli_read_hs(struct lpfc_hba *phba) +{ + /* + * There was a link/board error. Read the status register to retrieve + * the error event and process it. + */ + phba->sli.slistat.err_attn_event++; + + /* Save status info */ + phba->work_hs = readl(phba->HSregaddr); + phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); + phba->work_status[1] = readl(phba->MBslimaddr + 0xac); + + /* Clear chip Host Attention error bit */ + writel(HA_ERATT, phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + phba->pport->stopped = 1; + + return; +} + #define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ #define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature event */ diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index b9acc6eefe62..21397f37010d 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -2372,12 +2372,12 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255, /* # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that # support this feature -# 0 = MSI disabled (default) +# 0 = MSI disabled # 1 = MSI enabled -# 2 = MSI-X enabled -# Value range is [0,2]. Default value is 0. +# 2 = MSI-X enabled (default) +# Value range is [0,2]. Default value is 2. */ -LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or " +LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or " "MSI-X (2), if possible"); /* diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 495afd06936b..7d173f4a37f5 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param); +typedef int (*node_filter)(struct lpfc_nodelist *, void *); struct fc_rport; void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); @@ -26,11 +26,11 @@ void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *); -int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, - struct lpfc_dmabuf *mp); +int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *); void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); -void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport); +void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *); void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); +int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *); int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int); void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -43,7 +43,7 @@ void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *); void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t); -void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove); +void lpfc_cleanup_rpis(struct lpfc_vport *, int); int lpfc_linkdown(struct lpfc_hba *); void lpfc_port_link_failure(struct lpfc_vport *); void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -135,7 +135,7 @@ void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t); int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int); void lpfc_fdmi_tmo(unsigned long); -void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport); +void lpfc_fdmi_timeout_handler(struct lpfc_vport *); int lpfc_config_port_prep(struct lpfc_hba *); int lpfc_config_port_post(struct lpfc_hba *); @@ -155,6 +155,8 @@ int lpfc_sli_queue_setup(struct lpfc_hba *); void lpfc_handle_eratt(struct lpfc_hba *); void lpfc_handle_latt(struct lpfc_hba *); irqreturn_t lpfc_intr_handler(int, void *); +irqreturn_t lpfc_sp_intr_handler(int, void *); +irqreturn_t lpfc_fp_intr_handler(int, void *); void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *); @@ -175,11 +177,12 @@ void lpfc_mem_free(struct lpfc_hba *); void lpfc_stop_vport_timers(struct lpfc_vport *); void lpfc_poll_timeout(unsigned long ptr); -void lpfc_poll_start_timer(struct lpfc_hba * phba); -void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba); +void lpfc_poll_start_timer(struct lpfc_hba *); +void lpfc_poll_eratt(unsigned long); +void lpfc_sli_poll_fcp_ring(struct lpfc_hba *); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); -void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); -uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); +void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *); +uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *); void lpfc_reset_barrier(struct lpfc_hba * phba); int lpfc_sli_brdready(struct lpfc_hba *, uint32_t); @@ -187,11 +190,13 @@ int lpfc_sli_brdkill(struct lpfc_hba *); int lpfc_sli_brdreset(struct lpfc_hba *); int lpfc_sli_brdrestart(struct lpfc_hba *); int lpfc_sli_hba_setup(struct lpfc_hba *); +int lpfc_sli_config_port(struct lpfc_hba *, int); int lpfc_sli_host_down(struct lpfc_vport *); int lpfc_sli_hba_down(struct lpfc_hba *); int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); int lpfc_sli_handle_mb_event(struct lpfc_hba *); int lpfc_sli_flush_mbox_queue(struct lpfc_hba *); +int lpfc_sli_check_eratt(struct lpfc_hba *); int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *, struct lpfc_sli_ring *, uint32_t); void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -227,17 +232,13 @@ struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t); struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *, struct lpfc_name *); -int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq, - uint32_t timeout); - -int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba, - struct lpfc_sli_ring * pring, - struct lpfc_iocbq * piocb, - struct lpfc_iocbq * prspiocbq, - uint32_t timeout); -void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba, - struct lpfc_iocbq * cmdiocb, - struct lpfc_iocbq * rspiocb); +int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); + +int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *, + struct lpfc_iocbq *, struct lpfc_iocbq *, + uint32_t); +void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 897ef7d7a8e9..3b00d9b86c7b 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -369,6 +369,7 @@ lpfc_work_done(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); if (ha_copy & HA_ERATT) + /* Handle the error attention event */ lpfc_handle_eratt(phba); if (ha_copy & HA_MBATT) @@ -376,6 +377,7 @@ lpfc_work_done(struct lpfc_hba *phba) if (ha_copy & HA_LATT) lpfc_handle_latt(phba); + vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; i <= phba->max_vpi; i++) { diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index ee4e50175ca8..5de5dabbbee6 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1203,6 +1203,18 @@ typedef struct { /* FireFly BIU registers */ #define HA_RXATT 0x00000008 /* Bit 3 */ #define HA_RXMASK 0x0000000f +#define HA_R0_CLR_MSK (HA_R0RE_REQ | HA_R0CE_RSP | HA_R0ATT) +#define HA_R1_CLR_MSK (HA_R1RE_REQ | HA_R1CE_RSP | HA_R1ATT) +#define HA_R2_CLR_MSK (HA_R2RE_REQ | HA_R2CE_RSP | HA_R2ATT) +#define HA_R3_CLR_MSK (HA_R3RE_REQ | HA_R3CE_RSP | HA_R3ATT) + +#define HA_R0_POS 3 +#define HA_R1_POS 7 +#define HA_R2_POS 11 +#define HA_R3_POS 15 +#define HA_LE_POS 29 +#define HA_MB_POS 30 +#define HA_ER_POS 31 /* Chip Attention Register */ #define CA_REG_OFFSET 4 /* Byte offset from register base address */ @@ -1240,7 +1252,7 @@ typedef struct { /* FireFly BIU registers */ /* Host Control Register */ -#define HC_REG_OFFSET 12 /* Word offset from register base address */ +#define HC_REG_OFFSET 12 /* Byte offset from register base address */ #define HC_MBINT_ENA 0x00000001 /* Bit 0 */ #define HC_R0INT_ENA 0x00000002 /* Bit 1 */ @@ -1253,6 +1265,19 @@ typedef struct { /* FireFly BIU registers */ #define HC_LAINT_ENA 0x20000000 /* Bit 29 */ #define HC_ERINT_ENA 0x80000000 /* Bit 31 */ +/* Message Signaled Interrupt eXtension (MSI-X) message identifiers */ +#define MSIX_DFLT_ID 0 +#define MSIX_RNG0_ID 0 +#define MSIX_RNG1_ID 1 +#define MSIX_RNG2_ID 2 +#define MSIX_RNG3_ID 3 + +#define MSIX_LINK_ID 4 +#define MSIX_MBOX_ID 5 + +#define MSIX_SPARE0_ID 6 +#define MSIX_SPARE1_ID 7 + /* Mailbox Commands */ #define MBX_SHUTDOWN 0x00 /* terminate testing */ #define MBX_LOAD_SM 0x01 @@ -1290,6 +1315,7 @@ typedef struct { /* FireFly BIU registers */ #define MBX_KILL_BOARD 0x24 #define MBX_CONFIG_FARP 0x25 #define MBX_BEACON 0x2A +#define MBX_CONFIG_MSI 0x30 #define MBX_HEARTBEAT 0x31 #define MBX_WRITE_VPARMS 0x32 #define MBX_ASYNCEVT_ENABLE 0x33 @@ -2599,6 +2625,40 @@ typedef struct { } CONFIG_PORT_VAR; +/* Structure for MB Command CONFIG_MSI (0x30) */ +struct config_msi_var { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t dfltMsgNum:8; /* Default message number */ + uint32_t rsvd1:11; /* Reserved */ + uint32_t NID:5; /* Number of secondary attention IDs */ + uint32_t rsvd2:5; /* Reserved */ + uint32_t dfltPresent:1; /* Default message number present */ + uint32_t addFlag:1; /* Add association flag */ + uint32_t reportFlag:1; /* Report association flag */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t reportFlag:1; /* Report association flag */ + uint32_t addFlag:1; /* Add association flag */ + uint32_t dfltPresent:1; /* Default message number present */ + uint32_t rsvd2:5; /* Reserved */ + uint32_t NID:5; /* Number of secondary attention IDs */ + uint32_t rsvd1:11; /* Reserved */ + uint32_t dfltMsgNum:8; /* Default message number */ +#endif + uint32_t attentionConditions[2]; + uint8_t attentionId[16]; + uint8_t messageNumberByHA[64]; + uint8_t messageNumberByID[16]; + uint32_t autoClearHA[2]; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd3:16; + uint32_t autoClearID:16; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t autoClearID:16; + uint32_t rsvd3:16; +#endif + uint32_t rsvd4; +}; + /* SLI-2 Port Control Block */ /* SLIM POINTER */ @@ -2722,6 +2782,7 @@ typedef union { REG_VPI_VAR varRegVpi; /* cmd = 0x96 (REG_VPI) */ UNREG_VPI_VAR varUnregVpi; /* cmd = 0x97 (UNREG_VPI) */ ASYNCEVT_ENABLE_VAR varCfgAsyncEvent; /*cmd = x33 (CONFIG_ASYNC) */ + struct config_msi_var varCfgMSI;/* cmd = x30 (CONFIG_MSI) */ } MAILVARIANTS; /* diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 333166b17908..49577d5f130f 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -389,6 +389,29 @@ lpfc_config_port_post(struct lpfc_hba *phba) if (phba->sli_rev != 3) lpfc_post_rcv_buf(phba); + /* + * Configure HBA MSI-X attention conditions to messages if MSI-X mode + */ + if (phba->intr_type == MSIX) { + rc = lpfc_config_msi(phba, pmb); + if (rc) { + mempool_free(pmb, phba->mbox_mem_pool); + return -EIO; + } + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "0352 Config MSI mailbox command " + "failed, mbxCmd x%x, mbxStatus x%x\n", + pmb->mb.mbxCommand, pmb->mb.mbxStatus); + mempool_free(pmb, phba->mbox_mem_pool); + return -EIO; + } + } + + /* Initialize ERATT handling flag */ + phba->hba_flag &= ~HBA_ERATT_HANDLED; + /* Enable appropriate host interrupts */ spin_lock_irq(&phba->hbalock); status = readl(phba->HCregaddr); @@ -404,20 +427,21 @@ lpfc_config_port_post(struct lpfc_hba *phba) if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) && (phba->cfg_poll & DISABLE_FCP_RING_INT)) - status &= ~(HC_R0INT_ENA << LPFC_FCP_RING); + status &= ~(HC_R0INT_ENA); writel(status, phba->HCregaddr); readl(phba->HCregaddr); /* flush */ spin_unlock_irq(&phba->hbalock); - /* - * Setup the ring 0 (els) timeout handler - */ - timeout = phba->fc_ratov << 1; + /* Set up ring-0 (ELS) timer */ + timeout = phba->fc_ratov * 2; mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); + /* Set up heart beat (HB) timer */ mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL); phba->hb_outstanding = 0; phba->last_completion_time = jiffies; + /* Set up error attention (ERATT) polling timer */ + mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed); pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; @@ -581,12 +605,15 @@ lpfc_hb_timeout(unsigned long ptr) unsigned long iflag; phba = (struct lpfc_hba *)ptr; + + /* Check for heart beat timeout conditions */ spin_lock_irqsave(&phba->pport->work_port_lock, iflag); tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO; if (!tmo_posted) phba->pport->work_port_events |= WORKER_HB_TMO; spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); + /* Tell the worker thread there is work to do */ if (!tmo_posted) lpfc_worker_wake_up(phba); return; @@ -617,6 +644,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) phba->hb_outstanding = 0; spin_unlock_irqrestore(&phba->hbalock, drvr_flag); + /* Check and reset heart-beat timer is necessary */ mempool_free(pmboxq, phba->mbox_mem_pool); if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) && !(phba->link_state == LPFC_HBA_ERROR) && @@ -856,8 +884,8 @@ lpfc_handle_eratt(struct lpfc_hba *phba) } else { /* The if clause above forces this code path when the status - * failure is a value other than FFER6. Do not call the offline - * twice. This is the adapter hardware error path. + * failure is a value other than FFER6. Do not call the offline + * twice. This is the adapter hardware error path. */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0457 Adapter Hardware Error " @@ -873,6 +901,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) lpfc_offline_eratt(phba); } + return; } /** @@ -1656,6 +1685,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) del_timer_sync(&phba->fabric_block_timer); phba->hb_outstanding = 0; del_timer_sync(&phba->hb_tmofunc); + del_timer_sync(&phba->eratt_poll); return; } @@ -2172,30 +2202,97 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) static int lpfc_enable_msix(struct lpfc_hba *phba) { - int error; + int rc, i; + LPFC_MBOXQ_t *pmb; - phba->msix_entries[0].entry = 0; - phba->msix_entries[0].vector = 0; + /* Set up MSI-X multi-message vectors */ + for (i = 0; i < LPFC_MSIX_VECTORS; i++) + phba->msix_entries[i].entry = i; - error = pci_enable_msix(phba->pcidev, phba->msix_entries, + /* Configure MSI-X capability structure */ + rc = pci_enable_msix(phba->pcidev, phba->msix_entries, ARRAY_SIZE(phba->msix_entries)); - if (error) { + if (rc) { lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0420 Enable MSI-X failed (%d), continuing " - "with MSI\n", error); - pci_disable_msix(phba->pcidev); - return error; + "with MSI\n", rc); + goto msi_fail_out; + } else + for (i = 0; i < LPFC_MSIX_VECTORS; i++) + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0477 MSI-X entry[%d]: vector=x%x " + "message=%d\n", i, + phba->msix_entries[i].vector, + phba->msix_entries[i].entry); + /* + * Assign MSI-X vectors to interrupt handlers + */ + + /* vector-0 is associated to slow-path handler */ + rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler, + IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0421 MSI-X slow-path request_irq failed " + "(%d), continuing with MSI\n", rc); + goto msi_fail_out; } - error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0, - LPFC_DRIVER_NAME, phba); - if (error) { + /* vector-1 is associated to fast-path handler */ + rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler, + IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba); + + if (rc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0421 MSI-X request_irq failed (%d), " - "continuing with MSI\n", error); - pci_disable_msix(phba->pcidev); + "0429 MSI-X fast-path request_irq failed " + "(%d), continuing with MSI\n", rc); + goto irq_fail_out; } - return error; + + /* + * Configure HBA MSI-X attention conditions to messages + */ + pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + + if (!pmb) { + rc = -ENOMEM; + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0474 Unable to allocate memory for issuing " + "MBOX_CONFIG_MSI command\n"); + goto mem_fail_out; + } + rc = lpfc_config_msi(phba, pmb); + if (rc) + goto mbx_fail_out; + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "0351 Config MSI mailbox command failed, " + "mbxCmd x%x, mbxStatus x%x\n", + pmb->mb.mbxCommand, pmb->mb.mbxStatus); + goto mbx_fail_out; + } + + /* Free memory allocated for mailbox command */ + mempool_free(pmb, phba->mbox_mem_pool); + return rc; + +mbx_fail_out: + /* Free memory allocated for mailbox command */ + mempool_free(pmb, phba->mbox_mem_pool); + +mem_fail_out: + /* free the irq already requested */ + free_irq(phba->msix_entries[1].vector, phba); + +irq_fail_out: + /* free the irq already requested */ + free_irq(phba->msix_entries[0].vector, phba); + +msi_fail_out: + /* Unconfigure MSI-X capability structure */ + pci_disable_msix(phba->pcidev); + return rc; } /** @@ -2208,7 +2305,12 @@ lpfc_enable_msix(struct lpfc_hba *phba) static void lpfc_disable_msix(struct lpfc_hba *phba) { - free_irq(phba->msix_entries[0].vector, phba); + int i; + + /* Free up MSI-X multi-message vectors */ + for (i = 0; i < LPFC_MSIX_VECTORS; i++) + free_irq(phba->msix_entries[i].vector, phba); + /* Disable MSI-X */ pci_disable_msix(phba->pcidev); } @@ -2288,6 +2390,9 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) init_timer(&phba->fabric_block_timer); phba->fabric_block_timer.function = lpfc_fabric_block_timeout; phba->fabric_block_timer.data = (unsigned long) phba; + init_timer(&phba->eratt_poll); + phba->eratt_poll.function = lpfc_poll_eratt; + phba->eratt_poll.data = (unsigned long) phba; pci_set_master(pdev); pci_try_set_mwi(pdev); @@ -2307,7 +2412,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) bar2map_len = pci_resource_len(phba->pcidev, 2); /* Map HBA SLIM to a kernel virtual address. */ - phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); + phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len); if (!phba->slim_memmap_p) { error = -ENODEV; dev_printk(KERN_ERR, &pdev->dev, @@ -2405,7 +2510,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) phba->fc_arbtov = FF_DEF_ARBTOV; INIT_LIST_HEAD(&phba->work_list); - phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT); + phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4)); /* Initialize the wait queue head for the kernel thread */ @@ -2440,21 +2545,42 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) pci_set_drvdata(pdev, shost); phba->intr_type = NONE; + phba->MBslimaddr = phba->slim_memmap_p; + phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; + phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; + phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; + phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; + + /* Configure and enable interrupt */ if (phba->cfg_use_msi == 2) { - error = lpfc_enable_msix(phba); - if (!error) - phba->intr_type = MSIX; + /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ + error = lpfc_sli_config_port(phba, 3); + if (error) + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0427 Firmware not capable of SLI 3 mode.\n"); + else { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0426 Firmware capable of SLI 3 mode.\n"); + /* Now, try to enable MSI-X interrupt mode */ + error = lpfc_enable_msix(phba); + if (!error) { + phba->intr_type = MSIX; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0430 enable MSI-X mode.\n"); + } + } } /* Fallback to MSI if MSI-X initialization failed */ if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { retval = pci_enable_msi(phba->pcidev); - if (!retval) + if (!retval) { phba->intr_type = MSI; - else lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0452 Enable MSI failed, continuing " - "with IRQ\n"); + "0473 enable MSI mode.\n"); + } else + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0452 enable IRQ mode.\n"); } /* MSI-X is the only case the doesn't need to call request_irq */ @@ -2470,18 +2596,16 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) phba->intr_type = INTx; } - phba->MBslimaddr = phba->slim_memmap_p; - phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET; - phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET; - phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; - phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; - if (lpfc_alloc_sysfs_attr(vport)) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1476 Failed to allocate sysfs attr\n"); error = -ENOMEM; goto out_free_irq; } if (lpfc_sli_hba_setup(phba)) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1477 Failed to set up hba\n"); error = -ENODEV; goto out_remove_device; } @@ -2500,6 +2624,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) spin_unlock_irq(shost->host_lock); } + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0428 Perform SCSI scan\n"); scsi_scan_host(shost); return 0; @@ -2732,20 +2858,34 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev) /* Enable configured interrupt method */ phba->intr_type = NONE; if (phba->cfg_use_msi == 2) { - error = lpfc_enable_msix(phba); - if (!error) - phba->intr_type = MSIX; + /* Need to issue conf_port mbox cmd before conf_msi mbox cmd */ + error = lpfc_sli_config_port(phba, 3); + if (error) + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0478 Firmware not capable of SLI 3 mode.\n"); + else { + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0479 Firmware capable of SLI 3 mode.\n"); + /* Now, try to enable MSI-X interrupt mode */ + error = lpfc_enable_msix(phba); + if (!error) { + phba->intr_type = MSIX; + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0480 enable MSI-X mode.\n"); + } + } } /* Fallback to MSI if MSI-X initialization failed */ if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) { retval = pci_enable_msi(phba->pcidev); - if (!retval) + if (!retval) { phba->intr_type = MSI; - else lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "0470 Enable MSI failed, continuing " - "with IRQ\n"); + "0481 enable MSI mode.\n"); + } else + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "0470 enable IRQ mode.\n"); } /* MSI-X is the only case the doesn't need to call request_irq */ diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index ca358355ec9b..65bc8e1a5f7d 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2007 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -271,6 +271,84 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) return; } +/** + * lpfc_config_msi: Prepare a mailbox command for configuring msi-x. + * @phba: pointer to lpfc hba data structure. + * @pmb: pointer to the driver internal queue element for mailbox command. + * + * The configure MSI-X mailbox command is used to configure the HBA's SLI-3 + * MSI-X multi-message interrupt vector association to interrupt attention + * conditions. + * + * Return codes + * 0 - Success + * -EINVAL - Failure + **/ +int +lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) +{ + MAILBOX_t *mb = &pmb->mb; + uint32_t attentionConditions[2]; + + /* Sanity check */ + if (phba->cfg_use_msi != 2) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0475 Not configured for supporting MSI-X " + "cfg_use_msi: 0x%x\n", phba->cfg_use_msi); + return -EINVAL; + } + + if (phba->sli_rev < 3) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0476 HBA not supporting SLI-3 or later " + "SLI Revision: 0x%x\n", phba->sli_rev); + return -EINVAL; + } + + /* Clear mailbox command fields */ + memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); + + /* + * SLI-3, Message Signaled Interrupt Fearure. + */ + + /* Multi-message attention configuration */ + attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT | + HA_LATT | HA_MBATT); + attentionConditions[1] = 0; + + mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0]; + mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1]; + + /* + * Set up message number to HA bit association + */ +#ifdef __BIG_ENDIAN_BITFIELD + /* RA0 (FCP Ring) */ + mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1; + /* RA1 (Other Protocol Extra Ring) */ + mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + /* RA0 (FCP Ring) */ + mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1; + /* RA1 (Other Protocol Extra Ring) */ + mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1; +#endif + /* Multi-message interrupt autoclear configuration*/ + mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0]; + mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1]; + + /* For now, HBA autoclear does not work reliably, disable it */ + mb->un.varCfgMSI.autoClearHA[0] = 0; + mb->un.varCfgMSI.autoClearHA[1] = 0; + + /* Set command and owner bit */ + mb->mbxCommand = MBX_CONFIG_MSI; + mb->mbxOwner = OWN_HOST; + + return 0; +} + /** * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA. * @phba: pointer to lpfc hba data structure. diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 1812e18246d5..2cca39e9b93d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1698,6 +1698,36 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return; } +/** + * lpfc_poll_eratt: Error attention polling timer timeout handler. + * @ptr: Pointer to address of HBA context object. + * + * This function is invoked by the Error Attention polling timer when the + * timer times out. It will check the SLI Error Attention register for + * possible attention events. If so, it will post an Error Attention event + * and wake up worker thread to process it. Otherwise, it will set up the + * Error Attention polling timer for the next poll. + **/ +void lpfc_poll_eratt(unsigned long ptr) +{ + struct lpfc_hba *phba; + uint32_t eratt = 0; + + phba = (struct lpfc_hba *)ptr; + + /* Check chip HA register for error event */ + eratt = lpfc_sli_check_eratt(phba); + + if (eratt) + /* Tell the worker thread there is work to do */ + lpfc_worker_wake_up(phba); + else + /* Restart the timer for next eratt poll */ + mod_timer(&phba->eratt_poll, jiffies + + HZ * LPFC_ERATT_POLL_INTERVAL); + return; +} + /** * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode. * @phba: Pointer to HBA context object. @@ -3011,7 +3041,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) } /** - * lpfc_do_config_port: Issue config port mailbox command. + * lpfc_sli_config_port: Issue config port mailbox command. * @phba: Pointer to HBA context object. * @sli_mode: sli mode - 2/3 * @@ -3023,8 +3053,8 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba) * The function returns 0 if successful, else returns negative error * code. **/ -static int -lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) +int +lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) { LPFC_MBOXQ_t *pmb; uint32_t resetcount = 0, rc = 0, done = 0; @@ -3165,13 +3195,14 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba) break; } - rc = lpfc_do_config_port(phba, mode); + rc = lpfc_sli_config_port(phba, mode); + if (rc && lpfc_sli_mode == 3) lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, "1820 Unable to select SLI-3. " "Not supported by adapter.\n"); if (rc && mode != 2) - rc = lpfc_do_config_port(phba, 2); + rc = lpfc_sli_config_port(phba, 2); if (rc) goto lpfc_sli_hba_setup_error; @@ -3192,8 +3223,7 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba) if (rc) goto lpfc_sli_hba_setup_error; - /* Init HBQs */ - + /* Init HBQs */ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { rc = lpfc_sli_hbq_setup(phba); if (rc) @@ -5128,28 +5158,73 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) } /** - * lpfc_intr_handler: The interrupt handler of lpfc driver. + * lpfc_sli_check_eratt: check error attention events + * @phba: Pointer to HBA context. + * + * This function is called form timer soft interrupt context to check HBA's + * error attention register bit for error attention events. + * + * This fucntion returns 1 when there is Error Attention in the Host Attention + * Register and returns 0 otherwise. + **/ +int +lpfc_sli_check_eratt(struct lpfc_hba *phba) +{ + uint32_t ha_copy; + + /* If somebody is waiting to handle an eratt, don't process it + * here. The brdkill function will do this. + */ + if (phba->link_flag & LS_IGNORE_ERATT) + return 0; + + /* Check if interrupt handler handles this ERATT */ + spin_lock_irq(&phba->hbalock); + if (phba->hba_flag & HBA_ERATT_HANDLED) { + /* Interrupt handler has handled ERATT */ + spin_unlock_irq(&phba->hbalock); + return 0; + } + + /* Read chip Host Attention (HA) register */ + ha_copy = readl(phba->HAregaddr); + if (ha_copy & HA_ERATT) { + /* Read host status register to retrieve error event */ + lpfc_sli_read_hs(phba); + /* Set the driver HA work bitmap */ + phba->work_ha |= HA_ERATT; + /* Indicate polling handles this ERATT */ + phba->hba_flag |= HBA_ERATT_HANDLED; + spin_unlock_irq(&phba->hbalock); + return 1; + } + spin_unlock_irq(&phba->hbalock); + return 0; +} + +/** + * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver. * @irq: Interrupt number. * @dev_id: The device context pointer. * - * This function is called from the PCI layer when there is - * an event in the HBA which requires driver attention. When - * the PCI slot is in error recovery or the HBA is undergoing - * initialization the interrupt handler will not process the - * interrupt. - * The error attention, link attention and els ring attention - * events are handled by the worker thread. The interrupt - * handler signals the worker thread and returns for these - * events. - * The SCSI ring event and mailbox events are handled in the - * interrupt context. - * This function is called without any lock held. It gets the - * hbalock to access and update SLI data structures. - * This function returns IRQ_HANDLED when interrupt is handled - * else it returns IRQ_NONE. + * This function is directly called from the PCI layer as an interrupt + * service routine when the device is enabled with MSI-X multi-message + * interrupt mode and there are slow-path events in the HBA. However, + * when the device is enabled with either MSI or Pin-IRQ interrupt mode, + * this function is called as part of the device-level interrupt handler. + * When the PCI slot is in error recovery or the HBA is undergoing + * initialization, the interrupt handler will not process the interrupt. + * The link attention and ELS ring attention events are handled by the + * worker thread. The interrupt handler signals the worker thread and + * and returns for these events. This function is called without any + * lock held. It gets the hbalock to access and update SLI data + * structures. + * + * This function returns IRQ_HANDLED when interrupt is handled else it + * returns IRQ_NONE. **/ irqreturn_t -lpfc_intr_handler(int irq, void *dev_id) +lpfc_sp_intr_handler(int irq, void *dev_id) { struct lpfc_hba *phba; uint32_t ha_copy; @@ -5168,54 +5243,52 @@ lpfc_intr_handler(int irq, void *dev_id) * Get the driver's phba structure from the dev_id and * assume the HBA is not interrupting. */ - phba = (struct lpfc_hba *) dev_id; + phba = (struct lpfc_hba *)dev_id; if (unlikely(!phba)) return IRQ_NONE; - /* If the pci channel is offline, ignore all the interrupts. */ - if (unlikely(pci_channel_offline(phba->pcidev))) - return IRQ_NONE; - - phba->sli.slistat.sli_intr++; - /* - * Call the HBA to see if it is interrupting. If not, don't claim - * the interrupt + * Stuff needs to be attented to when this function is invoked as an + * individual interrupt handler in MSI-X multi-message interrupt mode */ - - /* Ignore all interrupts during initialization. */ - if (unlikely(phba->link_state < LPFC_LINK_DOWN)) - return IRQ_NONE; - - /* - * Read host attention register to determine interrupt source - * Clear Attention Sources, except Error Attention (to - * preserve status) and Link Attention - */ - spin_lock(&phba->hbalock); - if (phba->sli3_options & LPFC_SLI3_INB_ENABLED && - (phba->inb_last_counter != *phba->inb_counter)) { - phba->inb_last_counter = *phba->inb_counter; - ha_copy = le32_to_cpu(*phba->inb_ha_copy); - } else + if (phba->intr_type == MSIX) { + /* If the pci channel is offline, ignore all the interrupts */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return IRQ_NONE; + /* Update device-level interrupt statistics */ + phba->sli.slistat.sli_intr++; + /* Ignore all interrupts during initialization. */ + if (unlikely(phba->link_state < LPFC_LINK_DOWN)) + return IRQ_NONE; + /* Need to read HA REG for slow-path events */ + spin_lock(&phba->hbalock); ha_copy = readl(phba->HAregaddr); - if (unlikely(!ha_copy)) { + /* If somebody is waiting to handle an eratt don't process it + * here. The brdkill function will do this. + */ + if (phba->link_flag & LS_IGNORE_ERATT) + ha_copy &= ~HA_ERATT; + /* Check the need for handling ERATT in interrupt handler */ + if (ha_copy & HA_ERATT) { + if (phba->hba_flag & HBA_ERATT_HANDLED) + /* ERATT polling has handled ERATT */ + ha_copy &= ~HA_ERATT; + else + /* Indicate interrupt handler handles ERATT */ + phba->hba_flag |= HBA_ERATT_HANDLED; + } + /* Clear up only attention source related to slow-path */ + writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), + phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ spin_unlock(&phba->hbalock); - return IRQ_NONE; - } - /* If somebody is waiting to handle an eratt don't process it - * here. The brdkill function will do this. - */ - if (phba->link_flag & LS_IGNORE_ERATT) - ha_copy &= ~HA_ERATT; - writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); - readl(phba->HAregaddr); /* flush */ - spin_unlock(&phba->hbalock); + } else + ha_copy = phba->ha_copy; work_ha_copy = ha_copy & phba->work_ha_mask; - if (unlikely(work_ha_copy)) { + if (work_ha_copy) { if (work_ha_copy & HA_LATT) { if (phba->sli.sli_flag & LPFC_PROCESS_LA) { /* @@ -5234,7 +5307,7 @@ lpfc_intr_handler(int irq, void *dev_id) work_ha_copy &= ~HA_LATT; } - if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { + if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { /* * Turn off Slow Rings interrupts, LPFC_ELS_RING is * the only slow ring. @@ -5275,28 +5348,10 @@ lpfc_intr_handler(int irq, void *dev_id) spin_unlock(&phba->hbalock); } } - - if (work_ha_copy & HA_ERATT) { - /* - * There was a link/board error. Read the - * status register to retrieve the error event - * and process it. - */ - phba->sli.slistat.err_attn_event++; - /* Save status info */ - phba->work_hs = readl(phba->HSregaddr); - phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); - phba->work_status[1] = readl(phba->MBslimaddr + 0xac); - - /* Clear Chip error bit */ - writel(HA_ERATT, phba->HAregaddr); - readl(phba->HAregaddr); /* flush */ - phba->pport->stopped = 1; - } - spin_lock(&phba->hbalock); - if ((work_ha_copy & HA_MBATT) && - (phba->sli.mbox_active)) { + if (work_ha_copy & HA_ERATT) + lpfc_sli_read_hs(phba); + if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { pmb = phba->sli.mbox_active; pmbox = &pmb->mb; mbox = phba->mbox; @@ -5379,6 +5434,7 @@ lpfc_intr_handler(int irq, void *dev_id) } } else spin_unlock(&phba->hbalock); + if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active == NULL)) { send_current_mbox: @@ -5398,15 +5454,74 @@ send_current_mbox: spin_unlock(&phba->hbalock); lpfc_worker_wake_up(phba); } + return IRQ_HANDLED; - ha_copy &= ~(phba->work_ha_mask); +} /* lpfc_sp_intr_handler */ + +/** + * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver. + * @irq: Interrupt number. + * @dev_id: The device context pointer. + * + * This function is directly called from the PCI layer as an interrupt + * service routine when the device is enabled with MSI-X multi-message + * interrupt mode and there is a fast-path FCP IOCB ring event in the + * HBA. However, when the device is enabled with either MSI or Pin-IRQ + * interrupt mode, this function is called as part of the device-level + * interrupt handler. When the PCI slot is in error recovery or the HBA + * is undergoing initialization, the interrupt handler will not process + * the interrupt. The SCSI FCP fast-path ring event are handled in the + * intrrupt context. This function is called without any lock held. It + * gets the hbalock to access and update SLI data structures. + * + * This function returns IRQ_HANDLED when interrupt is handled else it + * returns IRQ_NONE. + **/ +irqreturn_t +lpfc_fp_intr_handler(int irq, void *dev_id) +{ + struct lpfc_hba *phba; + uint32_t ha_copy; + unsigned long status; + + /* Get the driver's phba structure from the dev_id and + * assume the HBA is not interrupting. + */ + phba = (struct lpfc_hba *) dev_id; + + if (unlikely(!phba)) + return IRQ_NONE; + + /* + * Stuff needs to be attented to when this function is invoked as an + * individual interrupt handler in MSI-X multi-message interrupt mode + */ + if (phba->intr_type == MSIX) { + /* If pci channel is offline, ignore all the interrupts */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return IRQ_NONE; + /* Update device-level interrupt statistics */ + phba->sli.slistat.sli_intr++; + /* Ignore all interrupts during initialization. */ + if (unlikely(phba->link_state < LPFC_LINK_DOWN)) + return IRQ_NONE; + /* Need to read HA REG for FCP ring and other ring events */ + ha_copy = readl(phba->HAregaddr); + /* Clear up only attention source related to fast-path */ + spin_lock(&phba->hbalock); + writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), + phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + spin_unlock(&phba->hbalock); + } else + ha_copy = phba->ha_copy; /* - * Process all events on FCP ring. Take the optimized path for - * FCP IO. Any other IO is slow path and is handled by - * the worker thread. + * Process all events on FCP ring. Take the optimized path for FCP IO. */ - status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); + ha_copy &= ~(phba->work_ha_mask); + + status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); status >>= (4*LPFC_FCP_RING); if (status & HA_RXMASK) lpfc_sli_handle_fast_ring_event(phba, @@ -5415,11 +5530,10 @@ send_current_mbox: if (phba->cfg_multi_ring_support == 2) { /* - * Process all events on extra ring. Take the optimized path - * for extra ring IO. Any other IO is slow path and is handled - * by the worker thread. + * Process all events on extra ring. Take the optimized path + * for extra ring IO. */ - status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); + status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); status >>= (4*LPFC_EXTRA_RING); if (status & HA_RXMASK) { lpfc_sli_handle_fast_ring_event(phba, @@ -5428,5 +5542,106 @@ send_current_mbox: } } return IRQ_HANDLED; +} /* lpfc_fp_intr_handler */ + +/** + * lpfc_intr_handler: The device-level interrupt handler of lpfc driver. + * @irq: Interrupt number. + * @dev_id: The device context pointer. + * + * This function is the device-level interrupt handler called from the PCI + * layer when either MSI or Pin-IRQ interrupt mode is enabled and there is + * an event in the HBA which requires driver attention. This function + * invokes the slow-path interrupt attention handling function and fast-path + * interrupt attention handling function in turn to process the relevant + * HBA attention events. This function is called without any lock held. It + * gets the hbalock to access and update SLI data structures. + * + * This function returns IRQ_HANDLED when interrupt is handled, else it + * returns IRQ_NONE. + **/ +irqreturn_t +lpfc_intr_handler(int irq, void *dev_id) +{ + struct lpfc_hba *phba; + irqreturn_t sp_irq_rc, fp_irq_rc; + unsigned long status1, status2; + + /* + * Get the driver's phba structure from the dev_id and + * assume the HBA is not interrupting. + */ + phba = (struct lpfc_hba *) dev_id; + + if (unlikely(!phba)) + return IRQ_NONE; + + /* If the pci channel is offline, ignore all the interrupts. */ + if (unlikely(pci_channel_offline(phba->pcidev))) + return IRQ_NONE; + + /* Update device level interrupt statistics */ + phba->sli.slistat.sli_intr++; + + /* Ignore all interrupts during initialization. */ + if (unlikely(phba->link_state < LPFC_LINK_DOWN)) + return IRQ_NONE; + + spin_lock(&phba->hbalock); + phba->ha_copy = readl(phba->HAregaddr); + if (unlikely(!phba->ha_copy)) { + spin_unlock(&phba->hbalock); + return IRQ_NONE; + } else if (phba->ha_copy & HA_ERATT) { + if (phba->hba_flag & HBA_ERATT_HANDLED) + /* ERATT polling has handled ERATT */ + phba->ha_copy &= ~HA_ERATT; + else + /* Indicate interrupt handler handles ERATT */ + phba->hba_flag |= HBA_ERATT_HANDLED; + } + + /* Clear attention sources except link and error attentions */ + writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); + readl(phba->HAregaddr); /* flush */ + spin_unlock(&phba->hbalock); + + /* + * Invokes slow-path host attention interrupt handling as appropriate. + */ + + /* status of events with mailbox and link attention */ + status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); + + /* status of events with ELS ring */ + status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); + status2 >>= (4*LPFC_ELS_RING); + + if (status1 || (status2 & HA_RXMASK)) + sp_irq_rc = lpfc_sp_intr_handler(irq, dev_id); + else + sp_irq_rc = IRQ_NONE; + + /* + * Invoke fast-path host attention interrupt handling as appropriate. + */ + + /* status of events with FCP ring */ + status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); + status1 >>= (4*LPFC_FCP_RING); + + /* status of events with extra ring */ + if (phba->cfg_multi_ring_support == 2) { + status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); + status2 >>= (4*LPFC_EXTRA_RING); + } else + status2 = 0; + + if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) + fp_irq_rc = lpfc_fp_intr_handler(irq, dev_id); + else + fp_irq_rc = IRQ_NONE; -} /* lpfc_intr_handler */ + /* Return device-level interrupt handling status */ + return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; +} /* lpfc_intr_handler */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index ad24cacfbe10..1a62e57a6a2d 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,9 @@ #define LPFC_DRIVER_VERSION "8.2.7" -#define LPFC_DRIVER_NAME "lpfc" +#define LPFC_DRIVER_NAME "lpfc" +#define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" +#define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp" #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -- GitLab From d9cc21fa8caee54e7960114bce8946f563a8fddd Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 24 Aug 2008 21:50:45 -0400 Subject: [PATCH 4261/6244] [SCSI] lpfc 8.2.8 : update driver version to 8.2.8 Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 1a62e57a6a2d..cc43e9de22cc 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.2.7" +#define LPFC_DRIVER_VERSION "8.2.8" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" -- GitLab From 64f84bc1cf49aa5e0c4b945b434e5d4b74e0831d Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 6 Sep 2008 08:39:16 -0500 Subject: [PATCH 4262/6244] [SCSI] scsi_dh_alua: remove REQ_NOMERGE We do not need to set REQ_NOMERGE because when the module calls blk_execute_rq -> blk_execute_rq_nowait, blk_execute_rq_nowait sets it for us. This brings all the modules in sync for those bits. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/device_handler/scsi_dh_alua.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index cb8aa3b58c22..e356b43753ff 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -110,7 +110,7 @@ static struct request *get_alua_req(struct scsi_device *sdev, rq->cmd_type = REQ_TYPE_BLOCK_PC; rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | - REQ_FAILFAST_DRIVER | REQ_NOMERGE; + REQ_FAILFAST_DRIVER; rq->retries = ALUA_FAILOVER_RETRIES; rq->timeout = ALUA_FAILOVER_TIMEOUT; -- GitLab From b522d7d42d7ce843885d4c6740c5bd50876a2971 Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 7 Sep 2008 11:51:56 -0400 Subject: [PATCH 4263/6244] [SCSI] lpfc 8.2.8 v2 : Revert target busy in favor of transport disrupted Revert the target busy response in favor of the transport disrupted response for node state transitions. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_scsi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 5dae4d306758..72eef7e4a891 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1071,8 +1071,10 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) * Catch race where our node has transitioned, but the * transport is still transitioning. */ - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) - goto out_target_busy; + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { + cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0); + goto out_fail_command; + } lpfc_cmd = lpfc_get_scsi_buf(phba); if (lpfc_cmd == NULL) { @@ -1118,8 +1120,6 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) lpfc_release_scsi_buf(phba, lpfc_cmd); out_host_busy: return SCSI_MLQUEUE_HOST_BUSY; - out_target_busy: - return SCSI_MLQUEUE_TARGET_BUSY; out_fail_command: done(cmnd); -- GitLab From 977b5a0af6d22a1a0170057c19cde37eeac68acd Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 7 Sep 2008 11:52:04 -0400 Subject: [PATCH 4264/6244] [SCSI] lpfc 8.2.8 v2 : Add sysfs control of target queue depth handling Added new sysfs attribute lpfc_max_scsicmpl_time. Attribute, when enabled, will control target queue depth based on I/O completion time. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 6 +++++ drivers/scsi/lpfc/lpfc_attr.c | 44 ++++++++++++++++++++++++++++++++ drivers/scsi/lpfc/lpfc_disc.h | 3 +++ drivers/scsi/lpfc/lpfc_hbadisc.c | 2 ++ drivers/scsi/lpfc/lpfc_scsi.c | 29 +++++++++++++++++++++ drivers/scsi/lpfc/lpfc_scsi.h | 1 + 6 files changed, 85 insertions(+) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 181538466117..3a500d683065 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -34,6 +34,11 @@ struct lpfc_sli2_slim; #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ #define LPFC_VNAME_LEN 100 /* vport symbolic name length */ +#define LPFC_TGTQ_INTERVAL 40000 /* Min amount of time between tgt + queue depth change in millisecs */ +#define LPFC_TGTQ_RAMPUP_PCENT 5 /* Target queue rampup in percentage */ +#define LPFC_MIN_TGT_QDEPTH 100 +#define LPFC_MAX_TGT_QDEPTH 0xFFFF /* * Following time intervals are used of adjusting SCSI device @@ -363,6 +368,7 @@ struct lpfc_vport { uint32_t cfg_log_verbose; uint32_t cfg_max_luns; uint32_t cfg_enable_da_id; + uint32_t cfg_max_scsicmpl_time; uint32_t dev_loss_tmo_changed; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 21397f37010d..343b0b36ed22 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -2296,6 +2296,48 @@ LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1, "Use ADISC on rediscovery to authenticate FCP devices"); +/* +# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue +# depth. Default value is 0. When the value of this parameter is zero the +# SCSI command completion time is not used for controlling I/O queue depth. When +# the parameter is set to a non-zero value, the I/O queue depth is controlled +# to limit the I/O completion time to the parameter value. +# The value is set in milliseconds. +*/ +static int lpfc_max_scsicmpl_time; +module_param(lpfc_max_scsicmpl_time, int, 0); +MODULE_PARM_DESC(lpfc_max_scsicmpl_time, + "Use command completion time to control queue depth"); +lpfc_vport_param_show(max_scsicmpl_time); +lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000); +static int +lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp, *next_ndlp; + + if (val == vport->cfg_max_scsicmpl_time) + return 0; + if ((val < 0) || (val > 60000)) + return -EINVAL; + vport->cfg_max_scsicmpl_time = val; + + spin_lock_irq(shost->host_lock); + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + continue; + ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; + } + spin_unlock_irq(shost->host_lock); + return 0; +} +lpfc_vport_param_store(max_scsicmpl_time); +static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR, + lpfc_max_scsicmpl_time_show, + lpfc_max_scsicmpl_time_store); + /* # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value # range is [0,1]. Default value is 0. @@ -2459,6 +2501,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_enable_hba_reset, &dev_attr_lpfc_enable_hba_heartbeat, &dev_attr_lpfc_sg_seg_cnt, + &dev_attr_lpfc_max_scsicmpl_time, NULL, }; @@ -3580,6 +3623,7 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport) lpfc_restrict_login_init(vport, lpfc_restrict_login); lpfc_fcp_class_init(vport, lpfc_fcp_class); lpfc_use_adisc_init(vport, lpfc_use_adisc); + lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time); lpfc_fdmi_on_init(vport, lpfc_fdmi_on); lpfc_discovery_threads_init(vport, lpfc_discovery_threads); lpfc_max_luns_init(vport, lpfc_max_luns); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 2db0b74b6fad..ccf8f41f345e 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -88,6 +88,9 @@ struct lpfc_nodelist { unsigned long last_ramp_up_time; /* jiffy of last ramp up */ unsigned long last_q_full_time; /* jiffy of last queue full */ struct kref kref; + atomic_t cmd_pending; + uint32_t cmd_qdepth; + unsigned long last_change_time; }; /* Defines for nlp_flag (uint32) */ diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 3b00d9b86c7b..887a5283605f 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -2988,6 +2988,8 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, INIT_LIST_HEAD(&ndlp->nlp_listp); kref_init(&ndlp->kref); NLP_INT_NODE_ACT(ndlp); + atomic_set(&ndlp->cmd_pending, 0); + ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, "node init: did:x%x", diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 72eef7e4a891..7b17f52660b4 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -628,6 +628,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; + atomic_dec(&pnode->cmd_pending); if (lpfc_cmd->status) { if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT && @@ -688,6 +689,29 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, result = cmd->result; sdev = cmd->device; + if (vport->cfg_max_scsicmpl_time && + time_after(jiffies, lpfc_cmd->start_time + + msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) { + spin_lock_irqsave(sdev->host->host_lock, flags); + if ((pnode->cmd_qdepth > atomic_read(&pnode->cmd_pending) && + (atomic_read(&pnode->cmd_pending) > LPFC_MIN_TGT_QDEPTH) && + ((cmd->cmnd[0] == READ_10) || (cmd->cmnd[0] == WRITE_10)))) + pnode->cmd_qdepth = atomic_read(&pnode->cmd_pending); + + pnode->last_change_time = jiffies; + spin_unlock_irqrestore(sdev->host->host_lock, flags); + } else if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) && + time_after(jiffies, pnode->last_change_time + + msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) { + spin_lock_irqsave(sdev->host->host_lock, flags); + pnode->cmd_qdepth += pnode->cmd_qdepth * + LPFC_TGTQ_RAMPUP_PCENT / 100; + if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH) + pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; + pnode->last_change_time = jiffies; + spin_unlock_irqrestore(sdev->host->host_lock, flags); + } + lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); cmd->scsi_done(cmd); @@ -1075,6 +1099,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0); goto out_fail_command; } + if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) + goto out_host_busy; lpfc_cmd = lpfc_get_scsi_buf(phba); if (lpfc_cmd == NULL) { @@ -1093,6 +1119,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) lpfc_cmd->pCmd = cmnd; lpfc_cmd->rdata = rdata; lpfc_cmd->timeout = 0; + lpfc_cmd->start_time = jiffies; cmnd->host_scribble = (unsigned char *)lpfc_cmd; cmnd->scsi_done = done; @@ -1102,6 +1129,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp); + atomic_inc(&ndlp->cmd_pending); err = lpfc_sli_issue_iocb(phba, &phba->sli.ring[psli->fcp_ring], &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB); if (err) @@ -1116,6 +1144,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) return 0; out_host_busy_free_buf: + atomic_dec(&ndlp->cmd_pending); lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd); lpfc_release_scsi_buf(phba, lpfc_cmd); out_host_busy: diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h index daba92374985..6737cabe9a72 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.h +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -139,6 +139,7 @@ struct lpfc_scsi_buf { */ struct lpfc_iocbq cur_iocbq; wait_queue_head_t *waitq; + unsigned long start_time; }; #define LPFC_SCSI_DMA_EXT_SIZE 264 -- GitLab From ea2151b4e142fa2de0319d9dd80413a997bf435a Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 7 Sep 2008 11:52:10 -0400 Subject: [PATCH 4265/6244] [SCSI] lpfc 8.2.8 v2 : Add statistical reporting control and additional fc vendor events Added support for new sysfs attributes: lpfc_stat_data_ctrl and lpfc_max_scsicmpl_time. The attributes control statistical reporting of io load. Added support for new fc vendor events for error reporting. Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 27 ++- drivers/scsi/lpfc/lpfc_attr.c | 343 ++++++++++++++++++++++++++++- drivers/scsi/lpfc/lpfc_crtn.h | 6 + drivers/scsi/lpfc/lpfc_ct.c | 1 + drivers/scsi/lpfc/lpfc_debugfs.c | 1 + drivers/scsi/lpfc/lpfc_disc.h | 20 ++ drivers/scsi/lpfc/lpfc_els.c | 114 ++++++++++ drivers/scsi/lpfc/lpfc_hbadisc.c | 143 +++++++++++- drivers/scsi/lpfc/lpfc_init.c | 22 ++ drivers/scsi/lpfc/lpfc_mbox.c | 1 + drivers/scsi/lpfc/lpfc_mem.c | 1 + drivers/scsi/lpfc/lpfc_nl.h | 163 ++++++++++++++ drivers/scsi/lpfc/lpfc_nportdisc.c | 1 + drivers/scsi/lpfc/lpfc_scsi.c | 279 ++++++++++++++++++++++- drivers/scsi/lpfc/lpfc_scsi.h | 4 + drivers/scsi/lpfc/lpfc_sli.c | 12 + drivers/scsi/lpfc/lpfc_vport.c | 80 +++++++ drivers/scsi/lpfc/lpfc_vport.h | 4 + 18 files changed, 1207 insertions(+), 15 deletions(-) create mode 100644 drivers/scsi/lpfc/lpfc_nl.h diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 3a500d683065..60a9e6e9384b 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -40,6 +40,8 @@ struct lpfc_sli2_slim; #define LPFC_MIN_TGT_QDEPTH 100 #define LPFC_MAX_TGT_QDEPTH 0xFFFF +#define LPFC_MAX_BUCKET_COUNT 20 /* Maximum no. of buckets for stat data + collection. */ /* * Following time intervals are used of adjusting SCSI device * queue depths when there are driver resource error or Firmware @@ -381,6 +383,8 @@ struct lpfc_vport { struct lpfc_debugfs_trc *disc_trc; atomic_t disc_trc_cnt; #endif + uint8_t stat_data_enabled; + uint8_t stat_data_blocked; }; struct hbq_s { @@ -641,6 +645,17 @@ struct lpfc_hba { uint32_t buffer_tag_count; int wait_4_mlo_maint_flg; wait_queue_head_t wait_4_mlo_m_q; + /* data structure used for latency data collection */ +#define LPFC_NO_BUCKET 0 +#define LPFC_LINEAR_BUCKET 1 +#define LPFC_POWER2_BUCKET 2 + uint8_t bucket_type; + uint32_t bucket_base; + uint32_t bucket_step; + +/* Maximum number of events that can be outstanding at any time*/ +#define LPFC_MAX_EVT_COUNT 512 + atomic_t fast_event_count; }; static inline struct Scsi_Host * @@ -699,15 +714,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba) return; } -#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ -#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature - event */ - -struct temp_event { - uint32_t event_type; - uint32_t event_code; - uint32_t data; -}; -#define LPFC_CRIT_TEMP 0x1 -#define LPFC_THRESHOLD_TEMP 0x2 -#define LPFC_NORMAL_TEMP 0x3 diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 343b0b36ed22..aa3d6277581d 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -32,6 +32,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -2183,6 +2184,335 @@ lpfc_param_store(topology) static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, lpfc_topology_show, lpfc_topology_store); + +/** + * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl + * sysfs file. + * @dev: Pointer to class device. + * @buf: Data buffer. + * @count: Size of the data buffer. + * + * This function get called when an user write to the lpfc_stat_data_ctrl + * sysfs file. This function parse the command written to the sysfs file + * and take appropriate action. These commands are used for controlling + * driver statistical data collection. + * Following are the command this function handles. + * + * setbucket + * = Set the latency buckets. + * destroybucket = destroy all the buckets. + * start = start data collection + * stop = stop data collection + * reset = reset the collected data + **/ +static ssize_t +lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; +#define LPFC_MAX_DATA_CTRL_LEN 1024 + static char bucket_data[LPFC_MAX_DATA_CTRL_LEN]; + unsigned long i; + char *str_ptr, *token; + struct lpfc_vport **vports; + struct Scsi_Host *v_shost; + char *bucket_type_str, *base_str, *step_str; + unsigned long base, step, bucket_type; + + if (!strncmp(buf, "setbucket", strlen("setbucket"))) { + if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN) + return -EINVAL; + + strcpy(bucket_data, buf); + str_ptr = &bucket_data[0]; + /* Ignore this token - this is command token */ + token = strsep(&str_ptr, "\t "); + if (!token) + return -EINVAL; + + bucket_type_str = strsep(&str_ptr, "\t "); + if (!bucket_type_str) + return -EINVAL; + + if (!strncmp(bucket_type_str, "linear", strlen("linear"))) + bucket_type = LPFC_LINEAR_BUCKET; + else if (!strncmp(bucket_type_str, "power2", strlen("power2"))) + bucket_type = LPFC_POWER2_BUCKET; + else + return -EINVAL; + + base_str = strsep(&str_ptr, "\t "); + if (!base_str) + return -EINVAL; + base = simple_strtoul(base_str, NULL, 0); + + step_str = strsep(&str_ptr, "\t "); + if (!step_str) + return -EINVAL; + step = simple_strtoul(step_str, NULL, 0); + if (!step) + return -EINVAL; + + /* Block the data collection for every vport */ + vports = lpfc_create_vport_work_array(phba); + if (vports == NULL) + return -ENOMEM; + + for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + v_shost = lpfc_shost_from_vport(vports[i]); + spin_lock_irq(v_shost->host_lock); + /* Block and reset data collection */ + vports[i]->stat_data_blocked = 1; + if (vports[i]->stat_data_enabled) + lpfc_vport_reset_stat_data(vports[i]); + spin_unlock_irq(v_shost->host_lock); + } + + /* Set the bucket attributes */ + phba->bucket_type = bucket_type; + phba->bucket_base = base; + phba->bucket_step = step; + + for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + v_shost = lpfc_shost_from_vport(vports[i]); + + /* Unblock data collection */ + spin_lock_irq(v_shost->host_lock); + vports[i]->stat_data_blocked = 0; + spin_unlock_irq(v_shost->host_lock); + } + lpfc_destroy_vport_work_array(phba, vports); + return strlen(buf); + } + + if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) { + vports = lpfc_create_vport_work_array(phba); + if (vports == NULL) + return -ENOMEM; + + for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + v_shost = lpfc_shost_from_vport(vports[i]); + spin_lock_irq(shost->host_lock); + vports[i]->stat_data_blocked = 1; + lpfc_free_bucket(vport); + vport->stat_data_enabled = 0; + vports[i]->stat_data_blocked = 0; + spin_unlock_irq(shost->host_lock); + } + lpfc_destroy_vport_work_array(phba, vports); + phba->bucket_type = LPFC_NO_BUCKET; + phba->bucket_base = 0; + phba->bucket_step = 0; + return strlen(buf); + } + + if (!strncmp(buf, "start", strlen("start"))) { + /* If no buckets configured return error */ + if (phba->bucket_type == LPFC_NO_BUCKET) + return -EINVAL; + spin_lock_irq(shost->host_lock); + if (vport->stat_data_enabled) { + spin_unlock_irq(shost->host_lock); + return strlen(buf); + } + lpfc_alloc_bucket(vport); + vport->stat_data_enabled = 1; + spin_unlock_irq(shost->host_lock); + return strlen(buf); + } + + if (!strncmp(buf, "stop", strlen("stop"))) { + spin_lock_irq(shost->host_lock); + if (vport->stat_data_enabled == 0) { + spin_unlock_irq(shost->host_lock); + return strlen(buf); + } + lpfc_free_bucket(vport); + vport->stat_data_enabled = 0; + spin_unlock_irq(shost->host_lock); + return strlen(buf); + } + + if (!strncmp(buf, "reset", strlen("reset"))) { + if ((phba->bucket_type == LPFC_NO_BUCKET) + || !vport->stat_data_enabled) + return strlen(buf); + spin_lock_irq(shost->host_lock); + vport->stat_data_blocked = 1; + lpfc_vport_reset_stat_data(vport); + vport->stat_data_blocked = 0; + spin_unlock_irq(shost->host_lock); + return strlen(buf); + } + return -EINVAL; +} + + +/** + * lpfc_stat_data_ctrl_show: Read callback function for + * lpfc_stat_data_ctrl sysfs file. + * @dev: Pointer to class device object. + * @buf: Data buffer. + * + * This function is the read call back function for + * lpfc_stat_data_ctrl sysfs file. This function report the + * current statistical data collection state. + **/ +static ssize_t +lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int index = 0; + int i; + char *bucket_type; + unsigned long bucket_value; + + switch (phba->bucket_type) { + case LPFC_LINEAR_BUCKET: + bucket_type = "linear"; + break; + case LPFC_POWER2_BUCKET: + bucket_type = "power2"; + break; + default: + bucket_type = "No Bucket"; + break; + } + + sprintf(&buf[index], "Statistical Data enabled :%d, " + "blocked :%d, Bucket type :%s, Bucket base :%d," + " Bucket step :%d\nLatency Ranges :", + vport->stat_data_enabled, vport->stat_data_blocked, + bucket_type, phba->bucket_base, phba->bucket_step); + index = strlen(buf); + if (phba->bucket_type != LPFC_NO_BUCKET) { + for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { + if (phba->bucket_type == LPFC_LINEAR_BUCKET) + bucket_value = phba->bucket_base + + phba->bucket_step * i; + else + bucket_value = phba->bucket_base + + (1 << i) * phba->bucket_step; + + if (index + 10 > PAGE_SIZE) + break; + sprintf(&buf[index], "%08ld ", bucket_value); + index = strlen(buf); + } + } + sprintf(&buf[index], "\n"); + return strlen(buf); +} + +/* + * Sysfs attribute to control the statistical data collection. + */ +static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR, + lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store); + +/* + * lpfc_drvr_stat_data: sysfs attr to get driver statistical data. + */ + +/* + * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN + * for each target. + */ +#define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18) +#define MAX_STAT_DATA_SIZE_PER_TARGET \ + STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT) + + +/** + * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data + * sysfs attribute. + * @kobj: Pointer to the kernel object + * @bin_attr: Attribute object + * @buff: Buffer pointer + * @off: File offset + * @count: Buffer size + * + * This function is the read call back function for lpfc_drvr_stat_data + * sysfs file. This function export the statistical data to user + * applications. + **/ +static ssize_t +sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr, + char *buf, loff_t off, size_t count) +{ + struct device *dev = container_of(kobj, struct device, + kobj); + struct Scsi_Host *shost = class_to_shost(dev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + int i = 0, index = 0; + unsigned long nport_index; + struct lpfc_nodelist *ndlp = NULL; + nport_index = (unsigned long)off / + MAX_STAT_DATA_SIZE_PER_TARGET; + + if (!vport->stat_data_enabled || vport->stat_data_blocked + || (phba->bucket_type == LPFC_NO_BUCKET)) + return 0; + + spin_lock_irq(shost->host_lock); + list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data) + continue; + + if (nport_index > 0) { + nport_index--; + continue; + } + + if ((index + MAX_STAT_DATA_SIZE_PER_TARGET) + > count) + break; + + if (!ndlp->lat_data) + continue; + + /* Print the WWN */ + sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:", + ndlp->nlp_portname.u.wwn[0], + ndlp->nlp_portname.u.wwn[1], + ndlp->nlp_portname.u.wwn[2], + ndlp->nlp_portname.u.wwn[3], + ndlp->nlp_portname.u.wwn[4], + ndlp->nlp_portname.u.wwn[5], + ndlp->nlp_portname.u.wwn[6], + ndlp->nlp_portname.u.wwn[7]); + + index = strlen(buf); + + for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) { + sprintf(&buf[index], "%010u,", + ndlp->lat_data[i].cmd_count); + index = strlen(buf); + } + sprintf(&buf[index], "\n"); + index = strlen(buf); + } + spin_unlock_irq(shost->host_lock); + return index; +} + +static struct bin_attribute sysfs_drvr_stat_data_attr = { + .attr = { + .name = "lpfc_drvr_stat_data", + .mode = S_IRUSR, + .owner = THIS_MODULE, + }, + .size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET, + .read = sysfs_drvr_stat_data_read, + .write = NULL, +}; + /* # lpfc_link_speed: Link speed selection for initializing the Fibre Channel # connection. @@ -2502,6 +2832,7 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_enable_hba_heartbeat, &dev_attr_lpfc_sg_seg_cnt, &dev_attr_lpfc_max_scsicmpl_time, + &dev_attr_lpfc_stat_data_ctrl, NULL, }; @@ -2524,6 +2855,8 @@ struct device_attribute *lpfc_vport_attrs[] = { &dev_attr_nport_evt_cnt, &dev_attr_npiv_info, &dev_attr_lpfc_enable_da_id, + &dev_attr_lpfc_max_scsicmpl_time, + &dev_attr_lpfc_stat_data_ctrl, NULL, }; @@ -2958,7 +3291,14 @@ lpfc_alloc_sysfs_attr(struct lpfc_vport *vport) if (error) goto out_remove_ctlreg_attr; + error = sysfs_create_bin_file(&shost->shost_dev.kobj, + &sysfs_drvr_stat_data_attr); + if (error) + goto out_remove_mbox_attr; + return 0; +out_remove_mbox_attr: + sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); out_remove_ctlreg_attr: sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); out: @@ -2973,7 +3313,8 @@ void lpfc_free_sysfs_attr(struct lpfc_vport *vport) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - + sysfs_remove_bin_file(&shost->shost_dev.kobj, + &sysfs_drvr_stat_data_attr); sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr); sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr); } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 7d173f4a37f5..044ef4057d28 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -294,6 +294,12 @@ void lpfc_ramp_down_queue_handler(struct lpfc_hba *); void lpfc_ramp_up_queue_handler(struct lpfc_hba *); void lpfc_scsi_dev_block(struct lpfc_hba *); +void +lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); +struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *); +void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *); + #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code) #define HBA_EVENT_RSCN 5 #define HBA_EVENT_LINK_UP 2 diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 71cfee884b8a..26dae8bae2d1 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -34,6 +34,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index f85b99a7c43d..771920bdde44 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -35,6 +35,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index ccf8f41f345e..f29e548a90d1 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -37,6 +37,7 @@ enum lpfc_work_type { LPFC_EVT_KILL, LPFC_EVT_ELS_RETRY, LPFC_EVT_DEV_LOSS, + LPFC_EVT_FASTPATH_MGMT_EVT, }; /* structure used to queue event to the discovery tasklet */ @@ -47,6 +48,24 @@ struct lpfc_work_evt { enum lpfc_work_type evt; }; +struct lpfc_scsi_check_condition_event; +struct lpfc_scsi_varqueuedepth_event; +struct lpfc_scsi_event_header; +struct lpfc_fabric_event_header; +struct lpfc_fcprdchkerr_event; + +/* structure used for sending events from fast path */ +struct lpfc_fast_path_event { + struct lpfc_work_evt work_evt; + struct lpfc_vport *vport; + union { + struct lpfc_scsi_check_condition_event check_cond_evt; + struct lpfc_scsi_varqueuedepth_event queue_depth_evt; + struct lpfc_scsi_event_header scsi_evt; + struct lpfc_fabric_event_header fabric_evt; + struct lpfc_fcprdchkerr_event read_check_error; + } un; +}; struct lpfc_nodelist { struct list_head nlp_listp; @@ -91,6 +110,7 @@ struct lpfc_nodelist { atomic_t cmd_pending; uint32_t cmd_qdepth; unsigned long last_change_time; + struct lpfc_scsicmd_bkt *lat_data; /* Latency data */ }; /* Defines for nlp_flag (uint32) */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index d0730e79c1a7..630bd28fb997 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -30,6 +30,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -5084,6 +5085,116 @@ lpfc_els_flush_all_cmd(struct lpfc_hba *phba) return; } +/** + * lpfc_send_els_failure_event: Posts an ELS command failure event. + * @phba: Pointer to hba context object. + * @cmdiocbp: Pointer to command iocb which reported error. + * @rspiocbp: Pointer to response iocb which reported error. + * + * This function sends an event when there is an ELS command + * failure. + **/ +void +lpfc_send_els_failure_event(struct lpfc_hba *phba, + struct lpfc_iocbq *cmdiocbp, + struct lpfc_iocbq *rspiocbp) +{ + struct lpfc_vport *vport = cmdiocbp->vport; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_lsrjt_event lsrjt_event; + struct lpfc_fabric_event_header fabric_event; + struct ls_rjt stat; + struct lpfc_nodelist *ndlp; + uint32_t *pcmd; + + ndlp = cmdiocbp->context1; + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + return; + + if (rspiocbp->iocb.ulpStatus == IOSTAT_LS_RJT) { + lsrjt_event.header.event_type = FC_REG_ELS_EVENT; + lsrjt_event.header.subcategory = LPFC_EVENT_LSRJT_RCV; + memcpy(lsrjt_event.header.wwpn, &ndlp->nlp_portname, + sizeof(struct lpfc_name)); + memcpy(lsrjt_event.header.wwnn, &ndlp->nlp_nodename, + sizeof(struct lpfc_name)); + pcmd = (uint32_t *) (((struct lpfc_dmabuf *) + cmdiocbp->context2)->virt); + lsrjt_event.command = *pcmd; + stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]); + lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode; + lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp; + fc_host_post_vendor_event(shost, + fc_get_event_number(), + sizeof(lsrjt_event), + (char *)&lsrjt_event, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + return; + } + if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) || + (rspiocbp->iocb.ulpStatus == IOSTAT_FABRIC_BSY)) { + fabric_event.event_type = FC_REG_FABRIC_EVENT; + if (rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) + fabric_event.subcategory = LPFC_EVENT_PORT_BUSY; + else + fabric_event.subcategory = LPFC_EVENT_FABRIC_BUSY; + memcpy(fabric_event.wwpn, &ndlp->nlp_portname, + sizeof(struct lpfc_name)); + memcpy(fabric_event.wwnn, &ndlp->nlp_nodename, + sizeof(struct lpfc_name)); + fc_host_post_vendor_event(shost, + fc_get_event_number(), + sizeof(fabric_event), + (char *)&fabric_event, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + return; + } + +} + +/** + * lpfc_send_els_event: Posts unsolicited els event. + * @vport: Pointer to vport object. + * @ndlp: Pointer FC node object. + * @cmd: ELS command code. + * + * This function posts an event when there is an incoming + * unsolicited ELS command. + **/ +static void +lpfc_send_els_event(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + uint32_t cmd) +{ + struct lpfc_els_event_header els_data; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + els_data.event_type = FC_REG_ELS_EVENT; + switch (cmd) { + case ELS_CMD_PLOGI: + els_data.subcategory = LPFC_EVENT_PLOGI_RCV; + break; + case ELS_CMD_PRLO: + els_data.subcategory = LPFC_EVENT_PRLO_RCV; + break; + case ELS_CMD_ADISC: + els_data.subcategory = LPFC_EVENT_ADISC_RCV; + break; + default: + return; + } + memcpy(els_data.wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name)); + memcpy(els_data.wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name)); + fc_host_post_vendor_event(shost, + fc_get_event_number(), + sizeof(els_data), + (char *)&els_data, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + + return; +} + + /** * lpfc_els_unsol_buffer: Process an unsolicited event data buffer. * @phba: pointer to lpfc hba data structure. @@ -5185,6 +5296,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvPLOGI++; ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); + lpfc_send_els_event(vport, ndlp, cmd); if (vport->port_state < LPFC_DISC_AUTH) { if (!(phba->pport->fc_flag & FC_PT2PT) || (phba->pport->fc_flag & FC_PT2PT_PLOGI)) { @@ -5234,6 +5346,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPRLO++; + lpfc_send_els_event(vport, ndlp, cmd); if (vport->port_state < LPFC_DISC_AUTH) { rjt_err = LSRJT_UNABLE_TPC; break; @@ -5251,6 +5364,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, "RCV ADISC: did:x%x/ste:x%x flg:x%x", did, vport->port_state, ndlp->nlp_flag); + lpfc_send_els_event(vport, ndlp, cmd); phba->fc_stat.elsRcvADISC++; if (vport->port_state < LPFC_DISC_AUTH) { rjt_err = LSRJT_UNABLE_TPC; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 887a5283605f..a1a70d9ffc2a 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -30,6 +30,7 @@ #include #include "lpfc_hw.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_sli.h" #include "lpfc_scsi.h" @@ -274,6 +275,124 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); } +/** + * lpfc_alloc_fast_evt: Allocates data structure for posting event. + * @phba: Pointer to hba context object. + * + * This function is called from the functions which need to post + * events from interrupt context. This function allocates data + * structure required for posting event. It also keeps track of + * number of events pending and prevent event storm when there are + * too many events. + **/ +struct lpfc_fast_path_event * +lpfc_alloc_fast_evt(struct lpfc_hba *phba) { + struct lpfc_fast_path_event *ret; + + /* If there are lot of fast event do not exhaust memory due to this */ + if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) + return NULL; + + ret = kzalloc(sizeof(struct lpfc_fast_path_event), + GFP_ATOMIC); + if (ret) + atomic_inc(&phba->fast_event_count); + INIT_LIST_HEAD(&ret->work_evt.evt_listp); + ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; + return ret; +} + +/** + * lpfc_free_fast_evt: Frees event data structure. + * @phba: Pointer to hba context object. + * @evt: Event object which need to be freed. + * + * This function frees the data structure required for posting + * events. + **/ +void +lpfc_free_fast_evt(struct lpfc_hba *phba, + struct lpfc_fast_path_event *evt) { + + atomic_dec(&phba->fast_event_count); + kfree(evt); +} + +/** + * lpfc_send_fastpath_evt: Posts events generated from fast path. + * @phba: Pointer to hba context object. + * @evtp: Event data structure. + * + * This function is called from worker thread, when the interrupt + * context need to post an event. This function posts the event + * to fc transport netlink interface. + **/ +static void +lpfc_send_fastpath_evt(struct lpfc_hba *phba, + struct lpfc_work_evt *evtp) +{ + unsigned long evt_category, evt_sub_category; + struct lpfc_fast_path_event *fast_evt_data; + char *evt_data; + uint32_t evt_data_size; + struct Scsi_Host *shost; + + fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, + work_evt); + + evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; + evt_sub_category = (unsigned long) fast_evt_data->un. + fabric_evt.subcategory; + shost = lpfc_shost_from_vport(fast_evt_data->vport); + if (evt_category == FC_REG_FABRIC_EVENT) { + if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { + evt_data = (char *) &fast_evt_data->un.read_check_error; + evt_data_size = sizeof(fast_evt_data->un. + read_check_error); + } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || + (evt_sub_category == IOSTAT_NPORT_BSY)) { + evt_data = (char *) &fast_evt_data->un.fabric_evt; + evt_data_size = sizeof(fast_evt_data->un.fabric_evt); + } else { + lpfc_free_fast_evt(phba, fast_evt_data); + return; + } + } else if (evt_category == FC_REG_SCSI_EVENT) { + switch (evt_sub_category) { + case LPFC_EVENT_QFULL: + case LPFC_EVENT_DEVBSY: + evt_data = (char *) &fast_evt_data->un.scsi_evt; + evt_data_size = sizeof(fast_evt_data->un.scsi_evt); + break; + case LPFC_EVENT_CHECK_COND: + evt_data = (char *) &fast_evt_data->un.check_cond_evt; + evt_data_size = sizeof(fast_evt_data->un. + check_cond_evt); + break; + case LPFC_EVENT_VARQUEDEPTH: + evt_data = (char *) &fast_evt_data->un.queue_depth_evt; + evt_data_size = sizeof(fast_evt_data->un. + queue_depth_evt); + break; + default: + lpfc_free_fast_evt(phba, fast_evt_data); + return; + } + } else { + lpfc_free_fast_evt(phba, fast_evt_data); + return; + } + + fc_host_post_vendor_event(shost, + fc_get_event_number(), + evt_data_size, + evt_data, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + + lpfc_free_fast_evt(phba, fast_evt_data); + return; +} + static void lpfc_work_list_done(struct lpfc_hba *phba) { @@ -345,6 +464,10 @@ lpfc_work_list_done(struct lpfc_hba *phba) lpfc_unblock_mgmt_io(phba); complete((struct completion *)(evtp->evt_arg2)); break; + case LPFC_EVT_FASTPATH_MGMT_EVT: + lpfc_send_fastpath_evt(phba, evtp); + free_evt = 0; + break; } if (free_evt) kfree(evtp); @@ -1601,6 +1724,22 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, */ lpfc_register_remote_port(vport, ndlp); } + if ((new_state == NLP_STE_MAPPED_NODE) && + (vport->stat_data_enabled)) { + /* + * A new target is discovered, if there is no buffer for + * statistical data collection allocate buffer. + */ + ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, + sizeof(struct lpfc_scsicmd_bkt), + GFP_KERNEL); + + if (!ndlp->lat_data) + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0286 lpfc_nlp_state_cleanup failed to " + "allocate statistical data buffer DID " + "0x%x\n", ndlp->nlp_DID); + } /* * if we added to Mapped list, but the remote port * registration failed or assigned a target id outside @@ -3029,8 +3168,10 @@ lpfc_nlp_release(struct kref *kref) spin_unlock_irqrestore(&phba->ndlp_lock, flags); /* free ndlp memory for final ndlp release */ - if (NLP_CHK_FREE_REQ(ndlp)) + if (NLP_CHK_FREE_REQ(ndlp)) { + kfree(ndlp->lat_data); mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); + } } /* This routine bumps the reference count for a ndlp structure to ensure diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 49577d5f130f..909be3301bba 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -36,6 +36,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -815,6 +816,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) unsigned long temperature; struct temp_event temp_event_data; struct Scsi_Host *shost; + struct lpfc_board_event_header board_event; /* If the pci channel is offline, ignore possible errors, * since we cannot communicate with the pci card anyway. */ @@ -824,6 +826,16 @@ lpfc_handle_eratt(struct lpfc_hba *phba) if (!phba->cfg_enable_hba_reset) return; + /* Send an internal error event to mgmt application */ + board_event.event_type = FC_REG_BOARD_EVENT; + board_event.subcategory = LPFC_EVENT_PORTINTERR; + shost = lpfc_shost_from_vport(phba->pport); + fc_host_post_vendor_event(shost, fc_get_event_number(), + sizeof(board_event), + (char *) &board_event, + SCSI_NL_VID_TYPE_PCI + | PCI_VENDOR_ID_EMULEX); + if (phba->work_hs & HS_FFER6) { /* Re-establishing Link */ lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, @@ -2345,6 +2357,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) int i, hbq_count; uint16_t iotag; int bars = pci_select_bars(pdev, IORESOURCE_MEM); + struct lpfc_adapter_event_header adapter_event; if (pci_enable_device_mem(pdev)) goto out; @@ -2355,6 +2368,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) if (!phba) goto out_release_regions; + atomic_set(&phba->fast_event_count, 0); spin_lock_init(&phba->hbalock); /* Initialize ndlp management spinlock */ @@ -2626,6 +2640,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0428 Perform SCSI scan\n"); + /* Send board arrival event to upper layer */ + adapter_event.event_type = FC_REG_ADAPTER_EVENT; + adapter_event.subcategory = LPFC_EVENT_ARRIVAL; + fc_host_post_vendor_event(shost, fc_get_event_number(), + sizeof(adapter_event), + (char *) &adapter_event, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + scsi_scan_host(shost); return 0; diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 65bc8e1a5f7d..7465fe746fe9 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -30,6 +30,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 50d9136a6e04..a4bba2069248 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -30,6 +30,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" diff --git a/drivers/scsi/lpfc/lpfc_nl.h b/drivers/scsi/lpfc/lpfc_nl.h new file mode 100644 index 000000000000..1accb5a9f4e6 --- /dev/null +++ b/drivers/scsi/lpfc/lpfc_nl.h @@ -0,0 +1,163 @@ +/******************************************************************* + * This file is part of the Emulex Linux Device Driver for * + * Fibre Channel Host Bus Adapters. * + * Copyright (C) 2008 Emulex. All rights reserved. * + * EMULEX and SLI are trademarks of Emulex. * + * www.emulex.com * + * * + * This program is free software; you can redistribute it and/or * + * modify it under the terms of version 2 of the GNU General * + * Public License as published by the Free Software Foundation. * + * This program is distributed in the hope that it will be useful. * + * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * + * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * + * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * + * TO BE LEGALLY INVALID. See the GNU General Public License for * + * more details, a copy of which can be found in the file COPYING * + * included with this package. * + *******************************************************************/ + +/* Event definitions for RegisterForEvent */ +#define FC_REG_LINK_EVENT 0x0001 /* link up / down events */ +#define FC_REG_RSCN_EVENT 0x0002 /* RSCN events */ +#define FC_REG_CT_EVENT 0x0004 /* CT request events */ +#define FC_REG_DUMP_EVENT 0x0008 /* Dump events */ +#define FC_REG_TEMPERATURE_EVENT 0x0010 /* temperature events */ +#define FC_REG_ELS_EVENT 0x0020 /* lpfc els events */ +#define FC_REG_FABRIC_EVENT 0x0040 /* lpfc fabric events */ +#define FC_REG_SCSI_EVENT 0x0080 /* lpfc scsi events */ +#define FC_REG_BOARD_EVENT 0x0100 /* lpfc board events */ +#define FC_REG_ADAPTER_EVENT 0x0200 /* lpfc adapter events */ +#define FC_REG_EVENT_MASK (FC_REG_LINK_EVENT | \ + FC_REG_RSCN_EVENT | \ + FC_REG_CT_EVENT | \ + FC_REG_DUMP_EVENT | \ + FC_REG_TEMPERATURE_EVENT | \ + FC_REG_ELS_EVENT | \ + FC_REG_FABRIC_EVENT | \ + FC_REG_SCSI_EVENT | \ + FC_REG_BOARD_EVENT | \ + FC_REG_ADAPTER_EVENT) +/* Temperature events */ +#define LPFC_CRIT_TEMP 0x1 +#define LPFC_THRESHOLD_TEMP 0x2 +#define LPFC_NORMAL_TEMP 0x3 +/* + * All net link event payloads will begin with and event type + * and subcategory. The event type must come first. + * The subcategory further defines the data that follows in the rest + * of the payload. Each category will have its own unique header plus + * any addtional data unique to the subcategory. + * The payload sent via the fc transport is one-way driver->application. + */ + +/* els event header */ +struct lpfc_els_event_header { + uint32_t event_type; + uint32_t subcategory; + uint8_t wwpn[8]; + uint8_t wwnn[8]; +}; + +/* subcategory codes for FC_REG_ELS_EVENT */ +#define LPFC_EVENT_PLOGI_RCV 0x01 +#define LPFC_EVENT_PRLO_RCV 0x02 +#define LPFC_EVENT_ADISC_RCV 0x04 +#define LPFC_EVENT_LSRJT_RCV 0x08 + +/* special els lsrjt event */ +struct lpfc_lsrjt_event { + struct lpfc_els_event_header header; + uint32_t command; + uint32_t reason_code; + uint32_t explanation; +}; + + +/* fabric event header */ +struct lpfc_fabric_event_header { + uint32_t event_type; + uint32_t subcategory; + uint8_t wwpn[8]; + uint8_t wwnn[8]; +}; + +/* subcategory codes for FC_REG_FABRIC_EVENT */ +#define LPFC_EVENT_FABRIC_BUSY 0x01 +#define LPFC_EVENT_PORT_BUSY 0x02 +#define LPFC_EVENT_FCPRDCHKERR 0x04 + +/* special case fabric fcprdchkerr event */ +struct lpfc_fcprdchkerr_event { + struct lpfc_fabric_event_header header; + uint32_t lun; + uint32_t opcode; + uint32_t fcpiparam; +}; + + +/* scsi event header */ +struct lpfc_scsi_event_header { + uint32_t event_type; + uint32_t subcategory; + uint32_t lun; + uint8_t wwpn[8]; + uint8_t wwnn[8]; +}; + +/* subcategory codes for FC_REG_SCSI_EVENT */ +#define LPFC_EVENT_QFULL 0x0001 +#define LPFC_EVENT_DEVBSY 0x0002 +#define LPFC_EVENT_CHECK_COND 0x0004 +#define LPFC_EVENT_LUNRESET 0x0008 +#define LPFC_EVENT_TGTRESET 0x0010 +#define LPFC_EVENT_BUSRESET 0x0020 +#define LPFC_EVENT_VARQUEDEPTH 0x0040 + +/* special case scsi varqueuedepth event */ +struct lpfc_scsi_varqueuedepth_event { + struct lpfc_scsi_event_header scsi_event; + uint32_t oldval; + uint32_t newval; +}; + +/* special case scsi check condition event */ +struct lpfc_scsi_check_condition_event { + struct lpfc_scsi_event_header scsi_event; + uint8_t sense_key; + uint8_t asc; + uint8_t ascq; +}; + +/* event codes for FC_REG_BOARD_EVENT */ +#define LPFC_EVENT_PORTINTERR 0x01 + +/* board event header */ +struct lpfc_board_event_header { + uint32_t event_type; + uint32_t subcategory; +}; + + +/* event codes for FC_REG_ADAPTER_EVENT */ +#define LPFC_EVENT_ARRIVAL 0x01 + +/* adapter event header */ +struct lpfc_adapter_event_header { + uint32_t event_type; + uint32_t subcategory; +}; + + +/* event codes for temp_event */ +#define LPFC_CRIT_TEMP 0x1 +#define LPFC_THRESHOLD_TEMP 0x2 +#define LPFC_NORMAL_TEMP 0x3 + +struct temp_event { + uint32_t event_type; + uint32_t event_code; + uint32_t data; +}; + diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 83ffa75378e5..0c25d97acb42 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -30,6 +30,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 7b17f52660b4..bd1867411821 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -32,6 +32,7 @@ #include "lpfc_version.h" #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -42,6 +43,111 @@ #define LPFC_RESET_WAIT 2 #define LPFC_ABORT_WAIT 2 +/** + * lpfc_update_stats: Update statistical data for the command completion. + * @phba: Pointer to HBA object. + * @lpfc_cmd: lpfc scsi command object pointer. + * + * This function is called when there is a command completion and this + * function updates the statistical data for the command completion. + **/ +static void +lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) +{ + struct lpfc_rport_data *rdata = lpfc_cmd->rdata; + struct lpfc_nodelist *pnode = rdata->pnode; + struct scsi_cmnd *cmd = lpfc_cmd->pCmd; + unsigned long flags; + struct Scsi_Host *shost = cmd->device->host; + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + unsigned long latency; + int i; + + if (cmd->result) + return; + + spin_lock_irqsave(shost->host_lock, flags); + if (!vport->stat_data_enabled || + vport->stat_data_blocked || + !pnode->lat_data || + (phba->bucket_type == LPFC_NO_BUCKET)) { + spin_unlock_irqrestore(shost->host_lock, flags); + return; + } + latency = jiffies_to_msecs(jiffies - lpfc_cmd->start_time); + + if (phba->bucket_type == LPFC_LINEAR_BUCKET) { + i = (latency + phba->bucket_step - 1 - phba->bucket_base)/ + phba->bucket_step; + if (i >= LPFC_MAX_BUCKET_COUNT) + i = LPFC_MAX_BUCKET_COUNT; + } else { + for (i = 0; i < LPFC_MAX_BUCKET_COUNT-1; i++) + if (latency <= (phba->bucket_base + + ((1<bucket_step))) + break; + } + + pnode->lat_data[i].cmd_count++; + spin_unlock_irqrestore(shost->host_lock, flags); +} + + +/** + * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change + * event. + * @phba: Pointer to HBA context object. + * @vport: Pointer to vport object. + * @ndlp: Pointer to FC node associated with the target. + * @lun: Lun number of the scsi device. + * @old_val: Old value of the queue depth. + * @new_val: New value of the queue depth. + * + * This function sends an event to the mgmt application indicating + * there is a change in the scsi device queue depth. + **/ +static void +lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba, + struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + uint32_t lun, + uint32_t old_val, + uint32_t new_val) +{ + struct lpfc_fast_path_event *fast_path_evt; + unsigned long flags; + + fast_path_evt = lpfc_alloc_fast_evt(phba); + if (!fast_path_evt) + return; + + fast_path_evt->un.queue_depth_evt.scsi_event.event_type = + FC_REG_SCSI_EVENT; + fast_path_evt->un.queue_depth_evt.scsi_event.subcategory = + LPFC_EVENT_VARQUEDEPTH; + + /* Report all luns with change in queue depth */ + fast_path_evt->un.queue_depth_evt.scsi_event.lun = lun; + if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { + memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwpn, + &ndlp->nlp_portname, sizeof(struct lpfc_name)); + memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwnn, + &ndlp->nlp_nodename, sizeof(struct lpfc_name)); + } + + fast_path_evt->un.queue_depth_evt.oldval = old_val; + fast_path_evt->un.queue_depth_evt.newval = new_val; + fast_path_evt->vport = vport; + + fast_path_evt->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; + spin_lock_irqsave(&phba->hbalock, flags); + list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list); + spin_unlock_irqrestore(&phba->hbalock, flags); + lpfc_worker_wake_up(phba); + + return; +} + /* * This function is called with no lock held when there is a resource * error in driver or in firmware. @@ -117,9 +223,10 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) struct lpfc_vport **vports; struct Scsi_Host *shost; struct scsi_device *sdev; - unsigned long new_queue_depth; + unsigned long new_queue_depth, old_queue_depth; unsigned long num_rsrc_err, num_cmd_success; int i; + struct lpfc_rport_data *rdata; num_rsrc_err = atomic_read(&phba->num_rsrc_err); num_cmd_success = atomic_read(&phba->num_cmd_success); @@ -137,6 +244,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) else new_queue_depth = sdev->queue_depth - new_queue_depth; + old_queue_depth = sdev->queue_depth; if (sdev->ordered_tags) scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, @@ -145,6 +253,13 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, new_queue_depth); + rdata = sdev->hostdata; + if (rdata) + lpfc_send_sdev_queuedepth_change_event( + phba, vports[i], + rdata->pnode, + sdev->lun, old_queue_depth, + new_queue_depth); } } lpfc_destroy_vport_work_array(phba, vports); @@ -159,6 +274,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) struct Scsi_Host *shost; struct scsi_device *sdev; int i; + struct lpfc_rport_data *rdata; vports = lpfc_create_vport_work_array(phba); if (vports != NULL) @@ -176,6 +292,14 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, sdev->queue_depth+1); + rdata = sdev->hostdata; + if (rdata) + lpfc_send_sdev_queuedepth_change_event( + phba, vports[i], + rdata->pnode, + sdev->lun, + sdev->queue_depth - 1, + sdev->queue_depth); } } lpfc_destroy_vport_work_array(phba, vports); @@ -466,6 +590,97 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) return 0; } +/** + * lpfc_send_scsi_error_event: Posts an event when there is SCSI error. + * @phba: Pointer to hba context object. + * @vport: Pointer to vport object. + * @lpfc_cmd: Pointer to lpfc scsi command which reported the error. + * @rsp_iocb: Pointer to response iocb object which reported error. + * + * This function posts an event when there is a SCSI command reporting + * error from the scsi device. + **/ +static void +lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport, + struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb) { + struct scsi_cmnd *cmnd = lpfc_cmd->pCmd; + struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp; + uint32_t resp_info = fcprsp->rspStatus2; + uint32_t scsi_status = fcprsp->rspStatus3; + uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm; + struct lpfc_fast_path_event *fast_path_evt = NULL; + struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode; + unsigned long flags; + + /* If there is queuefull or busy condition send a scsi event */ + if ((cmnd->result == SAM_STAT_TASK_SET_FULL) || + (cmnd->result == SAM_STAT_BUSY)) { + fast_path_evt = lpfc_alloc_fast_evt(phba); + if (!fast_path_evt) + return; + fast_path_evt->un.scsi_evt.event_type = + FC_REG_SCSI_EVENT; + fast_path_evt->un.scsi_evt.subcategory = + (cmnd->result == SAM_STAT_TASK_SET_FULL) ? + LPFC_EVENT_QFULL : LPFC_EVENT_DEVBSY; + fast_path_evt->un.scsi_evt.lun = cmnd->device->lun; + memcpy(&fast_path_evt->un.scsi_evt.wwpn, + &pnode->nlp_portname, sizeof(struct lpfc_name)); + memcpy(&fast_path_evt->un.scsi_evt.wwnn, + &pnode->nlp_nodename, sizeof(struct lpfc_name)); + } else if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen && + ((cmnd->cmnd[0] == READ_10) || (cmnd->cmnd[0] == WRITE_10))) { + fast_path_evt = lpfc_alloc_fast_evt(phba); + if (!fast_path_evt) + return; + fast_path_evt->un.check_cond_evt.scsi_event.event_type = + FC_REG_SCSI_EVENT; + fast_path_evt->un.check_cond_evt.scsi_event.subcategory = + LPFC_EVENT_CHECK_COND; + fast_path_evt->un.check_cond_evt.scsi_event.lun = + cmnd->device->lun; + memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwpn, + &pnode->nlp_portname, sizeof(struct lpfc_name)); + memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwnn, + &pnode->nlp_nodename, sizeof(struct lpfc_name)); + fast_path_evt->un.check_cond_evt.sense_key = + cmnd->sense_buffer[2] & 0xf; + fast_path_evt->un.check_cond_evt.asc = cmnd->sense_buffer[12]; + fast_path_evt->un.check_cond_evt.ascq = cmnd->sense_buffer[13]; + } else if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) && + fcpi_parm && + ((be32_to_cpu(fcprsp->rspResId) != fcpi_parm) || + ((scsi_status == SAM_STAT_GOOD) && + !(resp_info & (RESID_UNDER | RESID_OVER))))) { + /* + * If status is good or resid does not match with fcp_param and + * there is valid fcpi_parm, then there is a read_check error + */ + fast_path_evt = lpfc_alloc_fast_evt(phba); + if (!fast_path_evt) + return; + fast_path_evt->un.read_check_error.header.event_type = + FC_REG_FABRIC_EVENT; + fast_path_evt->un.read_check_error.header.subcategory = + LPFC_EVENT_FCPRDCHKERR; + memcpy(&fast_path_evt->un.read_check_error.header.wwpn, + &pnode->nlp_portname, sizeof(struct lpfc_name)); + memcpy(&fast_path_evt->un.read_check_error.header.wwnn, + &pnode->nlp_nodename, sizeof(struct lpfc_name)); + fast_path_evt->un.read_check_error.lun = cmnd->device->lun; + fast_path_evt->un.read_check_error.opcode = cmnd->cmnd[0]; + fast_path_evt->un.read_check_error.fcpiparam = + fcpi_parm; + } else + return; + + fast_path_evt->vport = vport; + spin_lock_irqsave(&phba->hbalock, flags); + list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list); + spin_unlock_irqrestore(&phba->hbalock, flags); + lpfc_worker_wake_up(phba); + return; +} static void lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb) { @@ -494,6 +709,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, uint32_t rsplen = 0; uint32_t logit = LOG_FCP | LOG_FCP_ERROR; + /* * If this is a task management command, there is no * scsi packet associated with this lpfc_cmd. The driver @@ -609,6 +825,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, out: cmnd->result = ScsiResult(host_status, scsi_status); + lpfc_send_scsi_error_event(vport->phba, vport, lpfc_cmd, rsp_iocb); } static void @@ -625,6 +842,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, struct scsi_device *sdev, *tmp_sdev; int depth = 0; unsigned long flags; + struct lpfc_fast_path_event *fast_path_evt; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -655,6 +873,30 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, case IOSTAT_NPORT_BSY: case IOSTAT_FABRIC_BSY: cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0); + fast_path_evt = lpfc_alloc_fast_evt(phba); + if (!fast_path_evt) + break; + fast_path_evt->un.fabric_evt.event_type = + FC_REG_FABRIC_EVENT; + fast_path_evt->un.fabric_evt.subcategory = + (lpfc_cmd->status == IOSTAT_NPORT_BSY) ? + LPFC_EVENT_PORT_BUSY : LPFC_EVENT_FABRIC_BUSY; + if (pnode && NLP_CHK_NODE_ACT(pnode)) { + memcpy(&fast_path_evt->un.fabric_evt.wwpn, + &pnode->nlp_portname, + sizeof(struct lpfc_name)); + memcpy(&fast_path_evt->un.fabric_evt.wwnn, + &pnode->nlp_nodename, + sizeof(struct lpfc_name)); + } + fast_path_evt->vport = vport; + fast_path_evt->work_evt.evt = + LPFC_EVT_FASTPATH_MGMT_EVT; + spin_lock_irqsave(&phba->hbalock, flags); + list_add_tail(&fast_path_evt->work_evt.evt_listp, + &phba->work_list); + spin_unlock_irqrestore(&phba->hbalock, flags); + lpfc_worker_wake_up(phba); break; case IOSTAT_LOCAL_REJECT: if (lpfc_cmd->result == IOERR_INVALID_RPI || @@ -687,6 +929,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, scsi_get_resid(cmd)); } + lpfc_update_stats(phba, lpfc_cmd); result = cmd->result; sdev = cmd->device; if (vport->cfg_max_scsicmpl_time && @@ -755,6 +998,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, pnode->last_ramp_up_time = jiffies; } } + lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode, + 0xFFFFFFFF, + sdev->queue_depth - 1, sdev->queue_depth); } /* @@ -784,6 +1030,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, "0711 detected queue full - lun queue " "depth adjusted to %d.\n", depth); + lpfc_send_sdev_queuedepth_change_event(phba, vport, + pnode, 0xFFFFFFFF, + depth+1, depth); } } @@ -1112,6 +1361,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) goto out_host_busy; } + lpfc_cmd->start_time = jiffies; /* * Store the midlayer's command structure for the completion phase * and complete the command initialization. @@ -1280,6 +1530,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) int ret = SUCCESS; int status; int cnt; + struct lpfc_scsi_event_header scsi_event; lpfc_block_error_handler(cmnd); /* @@ -1298,6 +1549,19 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) break; pnode = rdata->pnode; } + + scsi_event.event_type = FC_REG_SCSI_EVENT; + scsi_event.subcategory = LPFC_EVENT_TGTRESET; + scsi_event.lun = 0; + memcpy(scsi_event.wwpn, &pnode->nlp_portname, sizeof(struct lpfc_name)); + memcpy(scsi_event.wwnn, &pnode->nlp_nodename, sizeof(struct lpfc_name)); + + fc_host_post_vendor_event(shost, + fc_get_event_number(), + sizeof(scsi_event), + (char *)&scsi_event, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + if (!rdata || pnode->nlp_state != NLP_STE_MAPPED_NODE) { lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP, "0721 LUN Reset rport " @@ -1381,6 +1645,19 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) int cnt; struct lpfc_scsi_buf * lpfc_cmd; unsigned long later; + struct lpfc_scsi_event_header scsi_event; + + scsi_event.event_type = FC_REG_SCSI_EVENT; + scsi_event.subcategory = LPFC_EVENT_BUSRESET; + scsi_event.lun = 0; + memcpy(scsi_event.wwpn, &vport->fc_portname, sizeof(struct lpfc_name)); + memcpy(scsi_event.wwnn, &vport->fc_nodename, sizeof(struct lpfc_name)); + + fc_host_post_vendor_event(shost, + fc_get_event_number(), + sizeof(scsi_event), + (char *)&scsi_event, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); lpfc_block_error_handler(cmnd); /* diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h index 6737cabe9a72..437f182e2322 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.h +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -107,6 +107,10 @@ struct fcp_cmnd { }; +struct lpfc_scsicmd_bkt { + uint32_t cmd_count; +}; + struct lpfc_scsi_buf { struct list_head list; struct scsi_cmnd *pCmd; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 2cca39e9b93d..8ab5babdeebc 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -32,6 +32,7 @@ #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -1610,6 +1611,17 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (cmdiocbp) { if (cmdiocbp->iocb_cmpl) { + /* + * If an ELS command failed send an event to mgmt + * application. + */ + if (saveq->iocb.ulpStatus && + (pring->ringno == LPFC_ELS_RING) && + (cmdiocbp->iocb.ulpCommand == + CMD_ELS_REQUEST64_CR)) + lpfc_send_els_failure_event(phba, + cmdiocbp, saveq); + /* * Post all ELS completions to the worker thread. * All other are passed to the completion callback. diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 2578d5fd9537..a7de1cc02b40 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -34,6 +34,7 @@ #include #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" @@ -745,3 +746,82 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) scsi_host_put(lpfc_shost_from_vport(vports[i])); kfree(vports); } + + +/** + * lpfc_vport_reset_stat_data: Reset the statistical data for the vport. + * @vport: Pointer to vport object. + * + * This function resets the statistical data for the vport. This function + * is called with the host_lock held + **/ +void +lpfc_vport_reset_stat_data(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; + + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + if (ndlp->lat_data) + memset(ndlp->lat_data, 0, LPFC_MAX_BUCKET_COUNT * + sizeof(struct lpfc_scsicmd_bkt)); + } +} + + +/** + * lpfc_alloc_bucket: Allocate data buffer required for collecting + * statistical data. + * @vport: Pointer to vport object. + * + * This function allocates data buffer required for all the FC + * nodes of the vport to collect statistical data. + **/ +void +lpfc_alloc_bucket(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; + + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + + kfree(ndlp->lat_data); + ndlp->lat_data = NULL; + + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { + ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, + sizeof(struct lpfc_scsicmd_bkt), + GFP_ATOMIC); + + if (!ndlp->lat_data) + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0287 lpfc_alloc_bucket failed to " + "allocate statistical data buffer DID " + "0x%x\n", ndlp->nlp_DID); + } + } +} + +/** + * lpfc_free_bucket: Free data buffer required for collecting + * statistical data. + * @vport: Pointer to vport object. + * + * Th function frees statistical data buffer of all the FC + * nodes of the vport. + **/ +void +lpfc_free_bucket(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL; + + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (!NLP_CHK_NODE_ACT(ndlp)) + continue; + + kfree(ndlp->lat_data); + ndlp->lat_data = NULL; + } +} diff --git a/drivers/scsi/lpfc/lpfc_vport.h b/drivers/scsi/lpfc/lpfc_vport.h index 96c445333b69..90828340acea 100644 --- a/drivers/scsi/lpfc/lpfc_vport.h +++ b/drivers/scsi/lpfc/lpfc_vport.h @@ -112,4 +112,8 @@ struct vport_cmd_tag { void lpfc_vport_set_state(struct lpfc_vport *vport, enum fc_vport_state new_state); +void lpfc_vport_reset_stat_data(struct lpfc_vport *); +void lpfc_alloc_bucket(struct lpfc_vport *); +void lpfc_free_bucket(struct lpfc_vport *); + #endif /* H_LPFC_VPORT */ -- GitLab From c82dc88ddaf17112841dd3a6b08352968555ee08 Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Fri, 12 Sep 2008 16:46:51 -0500 Subject: [PATCH 4266/6244] [SCSI] scsi_error: fix target reset handling There's a target reset bug. This loop: for (id = 0; id <= shost->max_id; id++) { Never terminates if shost->max_id is set to ~0, like aic94xx does. It's also pretty inefficient since you mostly have compact target numbers, but the max_id can be very high. The best way would be to sort the recovery list by target id and skip them if they're equal, but even a worst case O(N^2) traversal is probably OK here, so fix it by finding the next highest target number (assuming n+1) and terminating when there isn't one. Cc: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_error.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index ad019ece2139..94ed262bdf0c 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1065,10 +1065,10 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost, struct list_head *done_q) { struct scsi_cmnd *scmd, *tgtr_scmd, *next; - unsigned int id; + unsigned int id = 0; int rtn; - for (id = 0; id <= shost->max_id; id++) { + do { tgtr_scmd = NULL; list_for_each_entry(scmd, work_q, eh_entry) { if (id == scmd_id(scmd)) { @@ -1076,8 +1076,18 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost, break; } } + if (!tgtr_scmd) { + /* not one exactly equal; find the next highest */ + list_for_each_entry(scmd, work_q, eh_entry) { + if (scmd_id(scmd) > id && + (!tgtr_scmd || + scmd_id(tgtr_scmd) > scmd_id(scmd))) + tgtr_scmd = scmd; + } + } if (!tgtr_scmd) - continue; + /* no more commands, that's it */ + break; SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Sending target reset " "to target %d\n", @@ -1096,7 +1106,8 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost, " failed target: " "%d\n", current->comm, id)); - } + id++; + } while(id != 0); return list_empty(work_q); } -- GitLab From bd623e79fb6bca7ab685bb1f7376476a81ce10bb Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Fri, 19 Sep 2008 18:47:19 -0400 Subject: [PATCH 4267/6244] [SCSI] sd: Issue correct protection operation Use the same logic to prepare RD/WRPROTECT and the protection operation. Fixes a corner case where we could issue an unprotected CDB and yet tell the HBA to do DIF to the drive. Signed-off-by: Martin K. Petersen Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a7b53be63367..fec034557c38 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -384,7 +384,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) sector_t block = rq->sector; sector_t threshold; unsigned int this_count = rq->nr_sectors; - int ret; + int ret, host_dif; if (rq->cmd_type == REQ_TYPE_BLOCK_PC) { ret = scsi_setup_blk_pc_cmnd(sdp, rq); @@ -515,7 +515,8 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) rq->nr_sectors)); /* Set RDPROTECT/WRPROTECT if disk is formatted with DIF */ - if (scsi_host_dif_capable(sdp->host, sdkp->protection_type)) + host_dif = scsi_host_dif_capable(sdp->host, sdkp->protection_type); + if (host_dif) SCpnt->cmnd[1] = 1 << 5; else SCpnt->cmnd[1] = 0; @@ -573,7 +574,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) SCpnt->sdb.length = this_count * sdp->sector_size; /* If DIF or DIX is enabled, tell HBA how to handle request */ - if (sdkp->protection_type || scsi_prot_sg_count(SCpnt)) + if (host_dif || scsi_prot_sg_count(SCpnt)) sd_dif_op(SCpnt, sdkp->protection_type, scsi_prot_sg_count(SCpnt)); /* -- GitLab From be922f478f430f8fab4db952ffc20c86f23de397 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Fri, 19 Sep 2008 18:47:20 -0400 Subject: [PATCH 4268/6244] [SCSI] sd: Always print actual protection_type Now that we no longer use protection_type as trigger for preparing protected CDBs we can remove the places that set it to zero. This allows userland to see which protection type the device is formatted with regardless of whether the HBA supports DIF or not. Signed-off-by: Martin K. Petersen Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 7 ++----- drivers/scsi/sd_dif.c | 1 - 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index fec034557c38..a494a2ec67d7 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1253,14 +1253,12 @@ void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer) else type = ((buffer[12] >> 1) & 7) + 1; /* P_TYPE 0 = Type 1 */ + sdkp->protection_type = type; + switch (type) { case SD_DIF_TYPE0_PROTECTION: - sdkp->protection_type = 0; - break; - case SD_DIF_TYPE1_PROTECTION: case SD_DIF_TYPE3_PROTECTION: - sdkp->protection_type = type; break; case SD_DIF_TYPE2_PROTECTION: @@ -1278,7 +1276,6 @@ void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer) return; disable: - sdkp->protection_type = 0; sdkp->capacity = 0; } diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c index 4d17f3d35aac..943fde7e7ffb 100644 --- a/drivers/scsi/sd_dif.c +++ b/drivers/scsi/sd_dif.c @@ -321,7 +321,6 @@ void sd_dif_config_host(struct scsi_disk *sdkp) if (scsi_host_dif_capable(sdp->host, type) == 0) { sd_printk(KERN_INFO, sdkp, "Type %d protection " \ "unsupported by HBA. Disabling DIF.\n", type); - sdkp->protection_type = 0; return; } -- GitLab From 9e06688e7d60149cc9ef78ff29515c20186bb418 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Fri, 19 Sep 2008 18:47:21 -0400 Subject: [PATCH 4269/6244] [SCSI] sd: Correctly handle all combinations of DIF and DIX The old detection code couldn't handle all possible combinations of DIX and DIF. This version does, giving priority to DIX if the controller is capable. Signed-off-by: Martin K. Petersen Signed-off-by: James Bottomley --- drivers/scsi/sd.c | 3 ++- drivers/scsi/sd.h | 2 +- drivers/scsi/sd_dif.c | 37 ++++++++++++++++++++----------------- 3 files changed, 23 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a494a2ec67d7..7c4d2e68df1c 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -575,7 +575,8 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) /* If DIF or DIX is enabled, tell HBA how to handle request */ if (host_dif || scsi_prot_sg_count(SCpnt)) - sd_dif_op(SCpnt, sdkp->protection_type, scsi_prot_sg_count(SCpnt)); + sd_dif_op(SCpnt, host_dif, scsi_prot_sg_count(SCpnt), + sdkp->protection_type); /* * We shouldn't disconnect in the middle of a sector, so with a dumb diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 95b9f06534d5..a92b991d98ab 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -99,7 +99,7 @@ struct sd_dif_tuple { #if defined(CONFIG_BLK_DEV_INTEGRITY) -extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int); +extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int, unsigned int); extern void sd_dif_config_host(struct scsi_disk *); extern int sd_dif_prepare(struct request *rq, sector_t, unsigned int); extern void sd_dif_complete(struct scsi_cmnd *, unsigned int); diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c index 943fde7e7ffb..194c7706083b 100644 --- a/drivers/scsi/sd_dif.c +++ b/drivers/scsi/sd_dif.c @@ -311,24 +311,26 @@ void sd_dif_config_host(struct scsi_disk *sdkp) struct scsi_device *sdp = sdkp->device; struct gendisk *disk = sdkp->disk; u8 type = sdkp->protection_type; + int dif, dix; - /* If this HBA doesn't support DIX, resort to normal I/O or DIF */ - if (scsi_host_dix_capable(sdp->host, type) == 0) { + dif = scsi_host_dif_capable(sdp->host, type); + dix = scsi_host_dix_capable(sdp->host, type); - if (type == SD_DIF_TYPE0_PROTECTION) - return; - - if (scsi_host_dif_capable(sdp->host, type) == 0) { - sd_printk(KERN_INFO, sdkp, "Type %d protection " \ - "unsupported by HBA. Disabling DIF.\n", type); - return; - } + if (!dix && scsi_host_dix_capable(sdp->host, 0)) { + dif = 0; dix = 1; + } - sd_printk(KERN_INFO, sdkp, "Enabling DIF Type %d protection\n", - type); + if (type) { + if (dif) + sd_printk(KERN_INFO, sdkp, + "Enabling DIF Type %d protection\n", type); + else + sd_printk(KERN_INFO, sdkp, + "Disabling DIF Type %d protection\n", type); + } + if (!dix) return; - } /* Enable DMA of protection information */ if (scsi_host_get_guard(sdkp->device->host) & SHOST_DIX_GUARD_IP) @@ -343,10 +345,10 @@ void sd_dif_config_host(struct scsi_disk *sdkp) blk_integrity_register(disk, &dif_type1_integrity_crc); sd_printk(KERN_INFO, sdkp, - "Enabling %s integrity protection\n", disk->integrity->name); + "Enabling DIX %s protection\n", disk->integrity->name); /* Signal to block layer that we support sector tagging */ - if (type && sdkp->ATO) { + if (dif && type && sdkp->ATO) { if (type == SD_DIF_TYPE3_PROTECTION) disk->integrity->tag_size = sizeof(u16) + sizeof(u32); else @@ -360,7 +362,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp) /* * DIF DMA operation magic decoder ring. */ -void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix) +void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsigned int type) { int csum_convert, prot_op; @@ -405,7 +407,8 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix) } scsi_set_prot_op(scmd, prot_op); - scsi_set_prot_type(scmd, dif); + if (dif) + scsi_set_prot_type(scmd, type); } /* -- GitLab From cbdc14459bd7d99d20341ec057b8f4ffab2a7fb6 Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Wed, 1 Oct 2008 01:37:21 -0400 Subject: [PATCH 4270/6244] [SCSI] sd: Switch kernel printing level for DIF messages For some reason these messages ended up being printed with KERN_INFO rendering them invisible to pretty much everyone. Switch to KERN_NOTICE. Signed-off-by: Martin K. Petersen Signed-off-by: James Bottomley --- drivers/scsi/sd_dif.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c index 194c7706083b..3ebb1f289490 100644 --- a/drivers/scsi/sd_dif.c +++ b/drivers/scsi/sd_dif.c @@ -322,10 +322,10 @@ void sd_dif_config_host(struct scsi_disk *sdkp) if (type) { if (dif) - sd_printk(KERN_INFO, sdkp, + sd_printk(KERN_NOTICE, sdkp, "Enabling DIF Type %d protection\n", type); else - sd_printk(KERN_INFO, sdkp, + sd_printk(KERN_NOTICE, sdkp, "Disabling DIF Type %d protection\n", type); } @@ -344,7 +344,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp) else blk_integrity_register(disk, &dif_type1_integrity_crc); - sd_printk(KERN_INFO, sdkp, + sd_printk(KERN_NOTICE, sdkp, "Enabling DIX %s protection\n", disk->integrity->name); /* Signal to block layer that we support sector tagging */ @@ -354,7 +354,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp) else disk->integrity->tag_size = sizeof(u16); - sd_printk(KERN_INFO, sdkp, "DIF application tag size %u\n", + sd_printk(KERN_NOTICE, sdkp, "DIF application tag size %u\n", disk->integrity->tag_size); } } -- GitLab From 1d9edf0270cb5a434d32e95279ce9493581906b3 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:09 -0500 Subject: [PATCH 4271/6244] [SCSI] libiscsi: fix data corruption when target has to resend data-in packets iscsi_tcp was updating the exp_statsn (exp_statsn acknowledges status and tells the target it is ok to let the resources for a iscsi pdu to be reused) before it got all the data for pdu read into OS buffers. Data corruption was occuring if something happens to a packet and the network layer requests a retransmit, and the initiator has told the target about the udpated exp_statsn ack, then the target may be sending data from a buffer it has reused for a new iscsi pdu. This fixes the problem by having the LLD (iscsi_tcp in this case) just handle the transferring of data, and has libiscsi handle the processing of status (libiscsi completion processing is done after LLD data transfers are complete). Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/iscsi_tcp.c | 29 +++++----------------------- drivers/scsi/libiscsi.c | 41 ++++++++++++++++++++++++++++++++++------ 2 files changed, 40 insertions(+), 30 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 2a2f0094570f..e960f00da93a 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -523,22 +523,20 @@ iscsi_tcp_cleanup_task(struct iscsi_conn *conn, struct iscsi_task *task) } /** - * iscsi_data_rsp - SCSI Data-In Response processing + * iscsi_data_in - SCSI Data-In Response processing * @conn: iscsi connection * @task: scsi command task **/ static int -iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task) +iscsi_data_in(struct iscsi_conn *conn, struct iscsi_task *task) { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_tcp_task *tcp_task = task->dd_data; struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)tcp_conn->in.hdr; - struct iscsi_session *session = conn->session; - struct scsi_cmnd *sc = task->sc; int datasn = be32_to_cpu(rhdr->datasn); - unsigned total_in_length = scsi_in(sc)->length; + unsigned total_in_length = scsi_in(task->sc)->length; - iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr); + iscsi_update_cmdsn(conn->session, (struct iscsi_nopin*)rhdr); if (tcp_conn->in.datalen == 0) return 0; @@ -558,23 +556,6 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task) return ISCSI_ERR_DATA_OFFSET; } - if (rhdr->flags & ISCSI_FLAG_DATA_STATUS) { - sc->result = (DID_OK << 16) | rhdr->cmd_status; - conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1; - if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW | - ISCSI_FLAG_DATA_OVERFLOW)) { - int res_count = be32_to_cpu(rhdr->residual_count); - - if (res_count > 0 && - (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW || - res_count <= total_in_length)) - scsi_in(sc)->resid = res_count; - else - sc->result = (DID_BAD_TARGET << 16) | - rhdr->cmd_status; - } - } - conn->datain_pdus_cnt++; return 0; } @@ -774,7 +755,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) if (!task) rc = ISCSI_ERR_BAD_ITT; else - rc = iscsi_data_rsp(conn, task); + rc = iscsi_data_in(conn, task); if (rc) { spin_unlock(&conn->session->lock); break; diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 0e8f26baca6e..f9539af28f02 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -633,6 +633,40 @@ out: __iscsi_put_task(task); } +/** + * iscsi_data_in_rsp - SCSI Data-In Response processing + * @conn: iscsi connection + * @hdr: iscsi pdu + * @task: scsi command task + **/ +static void +iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr, + struct iscsi_task *task) +{ + struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)hdr; + struct scsi_cmnd *sc = task->sc; + + if (!(rhdr->flags & ISCSI_FLAG_DATA_STATUS)) + return; + + sc->result = (DID_OK << 16) | rhdr->cmd_status; + conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1; + if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW | + ISCSI_FLAG_DATA_OVERFLOW)) { + int res_count = be32_to_cpu(rhdr->residual_count); + + if (res_count > 0 && + (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW || + res_count <= scsi_in(sc)->length)) + scsi_in(sc)->resid = res_count; + else + sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; + } + + conn->scsirsp_pdus_cnt++; + __iscsi_put_task(task); +} + static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) { struct iscsi_tm_rsp *tmf = (struct iscsi_tm_rsp *)hdr; @@ -818,12 +852,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, iscsi_scsi_cmd_rsp(conn, hdr, task, data, datalen); break; case ISCSI_OP_SCSI_DATA_IN: - if (hdr->flags & ISCSI_FLAG_DATA_STATUS) { - conn->scsirsp_pdus_cnt++; - iscsi_update_cmdsn(session, - (struct iscsi_nopin*) hdr); - __iscsi_put_task(task); - } + iscsi_data_in_rsp(conn, hdr, task); break; case ISCSI_OP_LOGOUT_RSP: iscsi_update_cmdsn(session, (struct iscsi_nopin*)hdr); -- GitLab From e5bd7b54e93ef7151469a12b8c28d863b9f8a088 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:10 -0500 Subject: [PATCH 4272/6244] [SCSI] libiscsi: Support drivers initiating session removal If the driver knows when hardware is removed like with cxgb3i, bnx2i, qla4xxx and iser then we will want to remove the sessions/devices that are bound to that device before removing the host. cxgb3i and in the future bnx2i will remove the host and that will remove all the sessions on the hba. iser can call iscsi_kill_session when it gets an event that indicates that a hca is removed. And when qla4xxx is hooked in to the lib (it is only hooked into the class right now) it can call iscsi remove host like the partial offload card drivers. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 1 + drivers/scsi/iscsi_tcp.c | 1 + drivers/scsi/libiscsi.c | 107 +++++++++++++++++++++-- drivers/scsi/qla4xxx/ql4_os.c | 2 +- drivers/scsi/scsi_transport_iscsi.c | 6 +- include/scsi/iscsi_if.h | 1 + include/scsi/libiscsi.h | 13 +++ include/scsi/scsi_transport_iscsi.h | 3 +- 8 files changed, 121 insertions(+), 13 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 5a1cf2580e16..0474da173eb1 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -378,6 +378,7 @@ static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session) { struct Scsi_Host *shost = iscsi_session_to_shost(cls_session); + iscsi_session_teardown(cls_session); iscsi_host_remove(shost); iscsi_host_free(shost); } diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index e960f00da93a..752f42884cc1 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -1885,6 +1885,7 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session) struct Scsi_Host *shost = iscsi_session_to_shost(cls_session); iscsi_r2tpool_free(cls_session->dd_data); + iscsi_session_teardown(cls_session); iscsi_host_remove(shost); iscsi_host_free(shost); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index f9539af28f02..390781894be9 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -983,6 +983,38 @@ struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *conn, itt_t itt) } EXPORT_SYMBOL_GPL(iscsi_itt_to_ctask); +void iscsi_session_failure(struct iscsi_cls_session *cls_session, + enum iscsi_err err) +{ + struct iscsi_session *session = cls_session->dd_data; + struct iscsi_conn *conn; + struct device *dev; + unsigned long flags; + + spin_lock_irqsave(&session->lock, flags); + conn = session->leadconn; + if (session->state == ISCSI_STATE_TERMINATE || !conn) { + spin_unlock_irqrestore(&session->lock, flags); + return; + } + + dev = get_device(&conn->cls_conn->dev); + spin_unlock_irqrestore(&session->lock, flags); + if (!dev) + return; + /* + * if the host is being removed bypass the connection + * recovery initialization because we are going to kill + * the session. + */ + if (err == ISCSI_ERR_INVALID_HOST) + iscsi_conn_error_event(conn->cls_conn, err); + else + iscsi_conn_failure(conn, err); + put_device(dev); +} +EXPORT_SYMBOL_GPL(iscsi_session_failure); + void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err) { struct iscsi_session *session = conn->session; @@ -997,9 +1029,10 @@ void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err) if (conn->stop_stage == 0) session->state = ISCSI_STATE_FAILED; spin_unlock_irqrestore(&session->lock, flags); + set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx); - iscsi_conn_error(conn->cls_conn, err); + iscsi_conn_error_event(conn->cls_conn, err); } EXPORT_SYMBOL_GPL(iscsi_conn_failure); @@ -1905,6 +1938,7 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, int dd_data_size, uint16_t qdepth) { struct Scsi_Host *shost; + struct iscsi_host *ihost; shost = scsi_host_alloc(sht, sizeof(struct iscsi_host) + dd_data_size); if (!shost) @@ -1919,22 +1953,43 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, qdepth = ISCSI_DEF_CMD_PER_LUN; } shost->cmd_per_lun = qdepth; + + ihost = shost_priv(shost); + spin_lock_init(&ihost->lock); + ihost->state = ISCSI_HOST_SETUP; + ihost->num_sessions = 0; + init_waitqueue_head(&ihost->session_removal_wq); return shost; } EXPORT_SYMBOL_GPL(iscsi_host_alloc); +static void iscsi_notify_host_removed(struct iscsi_cls_session *cls_session) +{ + iscsi_session_failure(cls_session, ISCSI_ERR_INVALID_HOST); +} + /** * iscsi_host_remove - remove host and sessions * @shost: scsi host * - * This will also remove any sessions attached to the host, but if userspace - * is managing the session at the same time this will break. TODO: add - * refcounting to the netlink iscsi interface so a rmmod or host hot unplug - * does not remove the memory from under us. + * If there are any sessions left, this will initiate the removal and wait + * for the completion. */ void iscsi_host_remove(struct Scsi_Host *shost) { - iscsi_host_for_each_session(shost, iscsi_session_teardown); + struct iscsi_host *ihost = shost_priv(shost); + unsigned long flags; + + spin_lock_irqsave(&ihost->lock, flags); + ihost->state = ISCSI_HOST_REMOVED; + spin_unlock_irqrestore(&ihost->lock, flags); + + iscsi_host_for_each_session(shost, iscsi_notify_host_removed); + wait_event_interruptible(ihost->session_removal_wq, + ihost->num_sessions == 0); + if (signal_pending(current)) + flush_signals(current); + scsi_remove_host(shost); } EXPORT_SYMBOL_GPL(iscsi_host_remove); @@ -1950,6 +2005,27 @@ void iscsi_host_free(struct Scsi_Host *shost) } EXPORT_SYMBOL_GPL(iscsi_host_free); +static void iscsi_host_dec_session_cnt(struct Scsi_Host *shost) +{ + struct iscsi_host *ihost = shost_priv(shost); + unsigned long flags; + + shost = scsi_host_get(shost); + if (!shost) { + printk(KERN_ERR "Invalid state. Cannot notify host removal " + "of session teardown event because host already " + "removed.\n"); + return; + } + + spin_lock_irqsave(&ihost->lock, flags); + ihost->num_sessions--; + if (ihost->num_sessions == 0) + wake_up(&ihost->session_removal_wq); + spin_unlock_irqrestore(&ihost->lock, flags); + scsi_host_put(shost); +} + /** * iscsi_session_setup - create iscsi cls session and host and session * @iscsit: iscsi transport template @@ -1970,9 +2046,19 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, uint16_t cmds_max, int cmd_task_size, uint32_t initial_cmdsn, unsigned int id) { + struct iscsi_host *ihost = shost_priv(shost); struct iscsi_session *session; struct iscsi_cls_session *cls_session; int cmd_i, scsi_cmds, total_cmds = cmds_max; + unsigned long flags; + + spin_lock_irqsave(&ihost->lock, flags); + if (ihost->state == ISCSI_HOST_REMOVED) { + spin_unlock_irqrestore(&ihost->lock, flags); + return NULL; + } + ihost->num_sessions++; + spin_unlock_irqrestore(&ihost->lock, flags); if (!total_cmds) total_cmds = ISCSI_DEF_XMIT_CMDS_MAX; @@ -1985,7 +2071,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, printk(KERN_ERR "iscsi: invalid can_queue of %d. can_queue " "must be a power of two that is at least %d.\n", total_cmds, ISCSI_TOTAL_CMDS_MIN); - return NULL; + goto dec_session_count; } if (total_cmds > ISCSI_TOTAL_CMDS_MAX) { @@ -2009,7 +2095,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, cls_session = iscsi_alloc_session(shost, iscsit, sizeof(struct iscsi_session)); if (!cls_session) - return NULL; + goto dec_session_count; session = cls_session->dd_data; session->cls_session = cls_session; session->host = shost; @@ -2048,6 +2134,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, if (iscsi_add_session(cls_session, id)) goto cls_session_fail; + return cls_session; cls_session_fail: @@ -2056,6 +2143,8 @@ module_get_fail: iscsi_pool_free(&session->cmdpool); cmdpool_alloc_fail: iscsi_free_session(cls_session); +dec_session_count: + iscsi_host_dec_session_cnt(shost); return NULL; } EXPORT_SYMBOL_GPL(iscsi_session_setup); @@ -2071,6 +2160,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = cls_session->dd_data; struct module *owner = cls_session->transport->owner; + struct Scsi_Host *shost = session->host; iscsi_pool_free(&session->cmdpool); @@ -2083,6 +2173,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) kfree(session->ifacename); iscsi_destroy_session(cls_session); + iscsi_host_dec_session_cnt(shost); module_put(owner); } EXPORT_SYMBOL_GPL(iscsi_session_teardown); diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 4255b36ff968..db7ea3bb4e83 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -353,7 +353,7 @@ void qla4xxx_mark_device_missing(struct scsi_qla_host *ha, ha->host_no, ddb_entry->bus, ddb_entry->target, ddb_entry->fw_ddb_index)); iscsi_block_session(ddb_entry->sess); - iscsi_conn_error(ddb_entry->conn, ISCSI_ERR_CONN_FAILED); + iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED); } static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index cbaae48f47ed..f9e45f83e467 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1010,7 +1010,7 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, skb = alloc_skb(len, GFP_ATOMIC); if (!skb) { - iscsi_conn_error(conn, ISCSI_ERR_CONN_FAILED); + iscsi_conn_error_event(conn, ISCSI_ERR_CONN_FAILED); iscsi_cls_conn_printk(KERN_ERR, conn, "can not deliver " "control PDU: OOM\n"); return -ENOMEM; @@ -1031,7 +1031,7 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, } EXPORT_SYMBOL_GPL(iscsi_recv_pdu); -void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error) +void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) { struct nlmsghdr *nlh; struct sk_buff *skb; @@ -1063,7 +1063,7 @@ void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error) iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn error (%d)\n", error); } -EXPORT_SYMBOL_GPL(iscsi_conn_error); +EXPORT_SYMBOL_GPL(iscsi_conn_error_event); static int iscsi_if_send_reply(int pid, int seq, int type, int done, int multi, diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 16be12f1cbe8..f274d248a91f 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -213,6 +213,7 @@ enum iscsi_err { ISCSI_ERR_DATA_DGST = ISCSI_ERR_BASE + 15, ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16, ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17, + ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18, }; /* diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 5e75bb7f311c..7d8cd159f592 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -287,6 +287,11 @@ struct iscsi_session { struct iscsi_pool cmdpool; /* PDU's pool */ }; +enum { + ISCSI_HOST_SETUP, + ISCSI_HOST_REMOVED, +}; + struct iscsi_host { char *initiatorname; /* hw address or netdev iscsi connection is bound to */ @@ -295,6 +300,12 @@ struct iscsi_host { /* local address */ int local_port; char local_address[ISCSI_ADDRESS_BUF_LEN]; + + wait_queue_head_t session_removal_wq; + /* protects sessions and state */ + spinlock_t lock; + int num_sessions; + int state; }; /* @@ -351,6 +362,8 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int); extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *, int); extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err); +extern void iscsi_session_failure(struct iscsi_cls_session *cls_session, + enum iscsi_err err); extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf); extern void iscsi_suspend_tx(struct iscsi_conn *conn); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 8b6c91df4c7a..8749d4d8e244 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -135,7 +135,8 @@ extern int iscsi_unregister_transport(struct iscsi_transport *tt); /* * control plane upcalls */ -extern void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error); +extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn, + enum iscsi_err error); extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); -- GitLab From 21536062d98938dfcfbae593a26c154e359749dc Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:11 -0500 Subject: [PATCH 4273/6244] [SCSI] iscsi class: fix endpoint id handling Some endpoint code was using unsigned int and some was using uint64_t. This converts it all to uint64_t. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_transport_iscsi.c | 9 +++++---- include/scsi/scsi_transport_iscsi.h | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index f9e45f83e467..4a803ebaf508 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -138,7 +138,7 @@ static ssize_t show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf) { struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev); - return sprintf(buf, "%u\n", ep->id); + return sprintf(buf, "%llu\n", (unsigned long long) ep->id); } static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL); @@ -156,7 +156,7 @@ static struct attribute_group iscsi_endpoint_group = { static int iscsi_match_epid(struct device *dev, void *data) { struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev); - unsigned int *epid = (unsigned int *) data; + uint64_t *epid = (uint64_t *) data; return *epid == ep->id; } @@ -166,7 +166,7 @@ iscsi_create_endpoint(int dd_size) { struct device *dev; struct iscsi_endpoint *ep; - unsigned int id; + uint64_t id; int err; for (id = 1; id < ISCSI_MAX_EPID; id++) { @@ -187,7 +187,8 @@ iscsi_create_endpoint(int dd_size) ep->id = id; ep->dev.class = &iscsi_endpoint_class; - snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%u", id); + snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%llu", + (unsigned long long) id); err = device_register(&ep->dev); if (err) goto free_ep; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 8749d4d8e244..c667cc396545 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -208,7 +208,7 @@ extern void iscsi_host_for_each_session(struct Scsi_Host *shost, struct iscsi_endpoint { void *dd_data; /* LLD private data */ struct device dev; - unsigned int id; + uint64_t id; }; /* -- GitLab From 8e12452549ba2dfa17db97bc495172fac221a7ab Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:12 -0500 Subject: [PATCH 4274/6244] [SCSI] libiscsi: rename host reset to target reset I had this in my patchset to add target reset support, but it got dropped due to patching conflicts. This initial patch just renames the function and users. We are actually just dropping the session, and so this does not have anything to do with the host exactly. It does for software iscsi because we allocate a host per session, but for cxgb3i this makes no sense. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 2 +- drivers/scsi/iscsi_tcp.c | 2 +- drivers/scsi/libiscsi.c | 10 +++++----- include/scsi/libiscsi.h | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 0474da173eb1..1e5b6446231d 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -598,7 +598,7 @@ static struct scsi_host_template iscsi_iser_sht = { .cmd_per_lun = ISCSI_MAX_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, - .eh_host_reset_handler = iscsi_eh_host_reset, + .eh_target_reset_handler= iscsi_eh_target_reset, .use_clustering = DISABLE_CLUSTERING, .proc_name = "iscsi_iser", .this_id = -1, diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 752f42884cc1..4f096de81525 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -1909,7 +1909,7 @@ static struct scsi_host_template iscsi_sht = { .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, - .eh_host_reset_handler = iscsi_eh_host_reset, + .eh_target_reset_handler= iscsi_eh_target_reset, .use_clustering = DISABLE_CLUSTERING, .slave_configure = iscsi_tcp_slave_configure, .proc_name = "iscsi_tcp", diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 390781894be9..e3e57cce4886 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1367,7 +1367,7 @@ void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) } EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout); -int iscsi_eh_host_reset(struct scsi_cmnd *sc) +int iscsi_eh_target_reset(struct scsi_cmnd *sc) { struct iscsi_cls_session *cls_session; struct iscsi_session *session; @@ -1381,7 +1381,7 @@ int iscsi_eh_host_reset(struct scsi_cmnd *sc) spin_lock_bh(&session->lock); if (session->state == ISCSI_STATE_TERMINATE) { failed: - debug_scsi("failing host reset: session terminated " + debug_scsi("failing target reset: session terminated " "[CID %d age %d]\n", conn->id, session->age); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); @@ -1396,7 +1396,7 @@ failed: */ iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - debug_scsi("iscsi_eh_host_reset wait for relogin\n"); + debug_scsi("iscsi_eh_target_reset wait for relogin\n"); wait_event_interruptible(conn->ehwait, session->state == ISCSI_STATE_TERMINATE || session->state == ISCSI_STATE_LOGGED_IN || @@ -1408,14 +1408,14 @@ failed: spin_lock_bh(&session->lock); if (session->state == ISCSI_STATE_LOGGED_IN) iscsi_session_printk(KERN_INFO, session, - "host reset succeeded\n"); + "target reset succeeded\n"); else goto failed; spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); return SUCCESS; } -EXPORT_SYMBOL_GPL(iscsi_eh_host_reset); +EXPORT_SYMBOL_GPL(iscsi_eh_target_reset); static void iscsi_tmf_timedout(unsigned long data) { diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 7d8cd159f592..61e53f14f7e1 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -313,7 +313,7 @@ struct iscsi_host { */ extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth); extern int iscsi_eh_abort(struct scsi_cmnd *sc); -extern int iscsi_eh_host_reset(struct scsi_cmnd *sc); +extern int iscsi_eh_target_reset(struct scsi_cmnd *sc); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); extern int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)); -- GitLab From 6f481e3cefeb33094e87af176587e6a3027f104e Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:13 -0500 Subject: [PATCH 4275/6244] [SCSI] iscsi_tcp: return a descriptive error value during connection errors The segment->done functions return a iscsi error value which gives a lot more info than conn failed, so this patch has us return that value. I also add a new one for xmit failures. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/iscsi_tcp.c | 12 +++++++----- include/scsi/iscsi_if.h | 1 + 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 4f096de81525..ed6c54cae7b1 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -979,7 +979,7 @@ iscsi_tcp_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, error: debug_tcp("Error receiving PDU, errno=%d\n", rc); - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + iscsi_conn_failure(conn, rc); return 0; } @@ -1098,8 +1098,10 @@ iscsi_xmit(struct iscsi_conn *conn) while (1) { rc = iscsi_tcp_xmit_segment(tcp_conn, segment); - if (rc < 0) + if (rc < 0) { + rc = ISCSI_ERR_XMIT_FAILED; goto error; + } if (rc == 0) break; @@ -1108,7 +1110,7 @@ iscsi_xmit(struct iscsi_conn *conn) if (segment->total_copied >= segment->total_size) { if (segment->done != NULL) { rc = segment->done(tcp_conn, segment); - if (rc < 0) + if (rc != 0) goto error; } } @@ -1123,8 +1125,8 @@ error: /* Transmit error. We could initiate error recovery * here. */ debug_tcp("Error sending PDU, errno=%d\n", rc); - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - return rc; + iscsi_conn_failure(conn, rc); + return -EIO; } /** diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index f274d248a91f..0c9514de5df7 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -214,6 +214,7 @@ enum iscsi_err { ISCSI_ERR_PARAM_NOT_FOUND = ISCSI_ERR_BASE + 16, ISCSI_ERR_NO_SCSI_CMD = ISCSI_ERR_BASE + 17, ISCSI_ERR_INVALID_HOST = ISCSI_ERR_BASE + 18, + ISCSI_ERR_XMIT_FAILED = ISCSI_ERR_BASE + 19, }; /* -- GitLab From 87cd9eab2dfbdf7d367d7ab30e88176d7b08b83e Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:14 -0500 Subject: [PATCH 4276/6244] libiscsi: check reason why we are stopping iscsi session to determine error value Some wires got crossed on some patches and I messed up in the code below when rebuilding a patch. We want to be checking if flag equaled the value indicating if we killing the session due to final logout or if we just trying to relogin. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index e3e57cce4886..5aa0db150436 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2453,7 +2453,7 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, * flush queues. */ spin_lock_bh(&session->lock); - if (STOP_CONN_RECOVER) + if (flag == STOP_CONN_RECOVER) fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED); else fail_all_commands(conn, -1, DID_ERROR); -- GitLab From a343914831a8e29d89af3b26495ab1136a9e3153 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 24 Sep 2008 11:46:15 -0500 Subject: [PATCH 4277/6244] libiscsi: fix locking in iscsi_eh_device_reset We must be using the bh spin locking functions in iscsi_eh_device_reset becuase the session lock interacts with a thread and softirq. This patch also fixes up a bogus comment and check in fail_command, because no one drops the lock (bnx2i did but it is not going upstream yet and there were other refcount changes for that). Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 5aa0db150436..801c7cf54d2e 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -404,11 +404,6 @@ static void fail_command(struct iscsi_conn *conn, struct iscsi_task *task, conn->session->queued_cmdsn--; else conn->session->tt->cleanup_task(conn, task); - /* - * Check if cleanup_task dropped the lock and the command completed, - */ - if (!task->sc) - return; sc->result = err; if (!scsi_bidi_cmnd(sc)) @@ -1829,10 +1824,10 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) iscsi_suspend_tx(conn); - spin_lock(&session->lock); + spin_lock_bh(&session->lock); fail_all_commands(conn, sc->device->lun, DID_ERROR); conn->tmf_state = TMF_INITIAL; - spin_unlock(&session->lock); + spin_unlock_bh(&session->lock); iscsi_start_tx(conn); goto done; -- GitLab From 69fd3a8d098faf41a04930afa83757c0555ee360 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Sun, 12 Oct 2008 16:18:36 +0200 Subject: [PATCH 4278/6244] [MTD] remove unused mtd parameter in of_mtd_parse_partitions() Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: David Woodhouse --- drivers/mtd/maps/physmap_of.c | 3 +-- drivers/mtd/nand/fsl_elbc_nand.c | 3 +-- drivers/mtd/ofpart.c | 1 - include/linux/mtd/partitions.h | 1 - 4 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 49acd4171893..5fcfec034a94 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -230,8 +230,7 @@ static int __devinit of_flash_probe(struct of_device *dev, #ifdef CONFIG_MTD_OF_PARTS if (err == 0) { - err = of_mtd_parse_partitions(&dev->dev, info->mtd, - dp, &info->parts); + err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts); if (err < 0) return err; } diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 98ad3cefcaf4..4aa5bd6158da 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -918,8 +918,7 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl, #ifdef CONFIG_MTD_OF_PARTS if (ret == 0) { - ret = of_mtd_parse_partitions(priv->dev, &priv->mtd, - node, &parts); + ret = of_mtd_parse_partitions(priv->dev, node, &parts); if (ret < 0) goto err; } diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 4f80c2fd89af..9e45b3f39c0e 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -20,7 +20,6 @@ #include int __devinit of_mtd_parse_partitions(struct device *dev, - struct mtd_info *mtd, struct device_node *node, struct mtd_partition **pparts) { diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index 5014f7a9f5df..c92b4d439609 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -73,7 +73,6 @@ struct device; struct device_node; int __devinit of_mtd_parse_partitions(struct device *dev, - struct mtd_info *mtd, struct device_node *node, struct mtd_partition **pparts); -- GitLab From e254a30154c87cc862ba94332a47dad818a8e640 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 21 Sep 2008 09:06:29 -0300 Subject: [PATCH 4279/6244] V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams. This adds required quirks for the Compaq Presario B1200 and Acer Travelmate 7720 integrated webcams. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_driver.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index fee85a2465c8..d7ad060640bc 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1912,6 +1912,24 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_PROBE_MINMAX }, + /* Compaq Presario B1200 - Bison Electronics */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x0104, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_PROBE_MINMAX }, + /* Acer Travelmate 7720 - Bison Electronics */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x5986, + .idProduct = 0x0105, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_PROBE_MINMAX }, /* Medion Akoya Mini E1210 - Bison Electronics */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, -- GitLab From 01a8f038c07c4119029c63f1ed1c6ac986665d48 Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Fri, 3 Oct 2008 11:47:46 -0300 Subject: [PATCH 4280/6244] V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod. Add some sanity checking to data input via S2API to the cx24116 demod. This patch is valid for both s2-mfe and s2. It was found when testing KAFFEINE with S2API support that invalid modulation modes amongst other parameters were being delivered to the demod. In order to debug this sanity checking has been added. An example session would involve kaffeine setting QAM_AUTO when querying DVB-T, then later when trying to tune to DVB-S this cached value would be presented in error. Signed-off-by: Darron Broad Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 89 ++++++++++++++++++++------- 1 file changed, 68 insertions(+), 21 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 02ed4ef79c67..808ef2995d80 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -84,7 +84,8 @@ static int debug = 0; #define CX24116_ROLLOFF_035 (0x02) /* pilot bit */ -#define CX24116_PILOT (0x40) +#define CX24116_PILOT_OFF (0x00) +#define CX24116_PILOT_ON (0x40) /* signal status */ #define CX24116_HAS_SIGNAL (0x01) @@ -148,6 +149,7 @@ struct cx24116_tuning u8 fec_val; u8 fec_mask; u8 inversion_val; + u8 pilot_val; u8 rolloff_val; }; @@ -1121,25 +1123,62 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct cx24116_cmd cmd; fe_status_t tunerstat; - int i, status, ret, retune = 1; + int i, status, ret, retune; dprintk("%s()\n",__func__); - state->dnxt.modulation = c->modulation; - state->dnxt.frequency = c->frequency; - switch(c->delivery_system) { case SYS_DVBS: dprintk("%s: DVB-S delivery system selected\n",__func__); - state->dnxt.pilot = PILOT_OFF; + + /* Only QPSK is supported for DVB-S */ + if(c->modulation != QPSK) { + dprintk("%s: unsupported modulation selected (%d)\n", + __func__, c->modulation); + return -EOPNOTSUPP; + } + + /* Pilot doesn't exist in DVB-S, turn bit off */ + state->dnxt.pilot_val = CX24116_PILOT_OFF; + retune = 1; + + /* DVB-S only supports 0.35 */ + if(c->rolloff != ROLLOFF_35) { + dprintk("%s: unsupported rolloff selected (%d)\n", + __func__, c->rolloff); + return -EOPNOTSUPP; + } state->dnxt.rolloff_val = CX24116_ROLLOFF_035; - state->dnxt.rolloff = c->rolloff; break; + case SYS_DVBS2: dprintk("%s: DVB-S2 delivery system selected\n",__func__); - if(c->pilot == PILOT_AUTO) - retune++; - state->dnxt.pilot = c->pilot; + + /* + * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2, + * but not hardware auto detection + */ + if(c->modulation != _8PSK && c->modulation != NBC_QPSK) { + dprintk("%s: unsupported modulation selected (%d)\n", + __func__, c->modulation); + return -EOPNOTSUPP; + } + + switch(c->pilot) { + case PILOT_AUTO: /* Not supported but emulated */ + retune = 2; /* Fall-through */ + case PILOT_OFF: + state->dnxt.pilot_val = CX24116_PILOT_OFF; + break; + case PILOT_ON: + state->dnxt.pilot_val = CX24116_PILOT_ON; + break; + default: + dprintk("%s: unsupported pilot mode selected (%d)\n", + __func__, c->pilot); + return -EOPNOTSUPP; + } + switch(c->rolloff) { case ROLLOFF_20: state->dnxt.rolloff_val= CX24116_ROLLOFF_020; @@ -1150,20 +1189,28 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par case ROLLOFF_35: state->dnxt.rolloff_val= CX24116_ROLLOFF_035; break; - case ROLLOFF_AUTO: + case ROLLOFF_AUTO: /* Rolloff must be explicit */ + default: + dprintk("%s: unsupported rolloff selected (%d)\n", + __func__, c->rolloff); return -EOPNOTSUPP; } - state->dnxt.rolloff = c->rolloff; break; + default: dprintk("%s: unsupported delivery system selected (%d)\n", __func__, c->delivery_system); return -EOPNOTSUPP; } + state->dnxt.modulation = c->modulation; + state->dnxt.frequency = c->frequency; + state->dnxt.pilot = c->pilot; + state->dnxt.rolloff = c->rolloff; if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) return ret; + /* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */ if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) return ret; @@ -1173,10 +1220,13 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* discard the 'current' tuning parameters and prepare to tune */ cx24116_clone_params(fe); - dprintk("%s: retune = %d\n", __func__, retune); - dprintk("%s: rolloff = %d\n", __func__, state->dcur.rolloff); - dprintk("%s: pilot = %d\n", __func__, state->dcur.pilot); + dprintk("%s: modulation = %d\n", __func__, state->dcur.modulation); dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); + dprintk("%s: pilot = %d (val = 0x%02x)\n", __func__, + state->dcur.pilot, state->dcur.pilot_val); + dprintk("%s: retune = %d\n", __func__, retune); + dprintk("%s: rolloff = %d (val = 0x%02x)\n", __func__, + state->dcur.rolloff, state->dcur.rolloff_val); dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); @@ -1210,11 +1260,8 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* Automatic Inversion */ cmd.args[0x06] = state->dcur.inversion_val; - /* Modulation / FEC & Pilot Off */ - cmd.args[0x07] = state->dcur.fec_val; - - if (state->dcur.pilot == PILOT_ON) - cmd.args[0x07] |= CX24116_PILOT; + /* Modulation / FEC / Pilot */ + cmd.args[0x07] = state->dcur.fec_val | state->dcur.pilot_val; cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; @@ -1277,7 +1324,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par /* Toggle pilot bit when in auto-pilot */ if(state->dcur.pilot == PILOT_AUTO) - cmd.args[0x07] ^= CX24116_PILOT; + cmd.args[0x07] ^= CX24116_PILOT_ON; } while(--retune); -- GitLab From 4aae8efb4908fa3f80dc1177d093443bc09adf5f Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Fri, 3 Oct 2008 11:50:00 -0300 Subject: [PATCH 4281/6244] V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API. Quick fix to stop an OOPS if illegal commands are dumped in S2API. Signed-off-by: Darron Broad Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 4c3f0d7e355c..f44b64b8e614 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -848,6 +848,13 @@ void dtv_property_dump(struct dtv_property *tvp) { int i; + if( (tvp->cmd <= 0 || tvp->cmd > DTV_DELIVERY_SYSTEM) && + tvp->cmd != DTV_API_VERSION) { + printk("%s: tvp.cmd = 0x%08x (undefined/unknown/invalid)\n", + __func__, tvp->cmd); + return; + } + printk("%s() tvp.cmd = 0x%08x (%s)\n" ,__FUNCTION__ ,tvp->cmd -- GitLab From e5cefa82ce31b14574947e570d638a6d58225338 Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Fri, 3 Oct 2008 11:53:18 -0300 Subject: [PATCH 4282/6244] V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API. Fixes switching from S2API to legacy where legacy params given to S2API aware demods are cached ones and not those implied in the legacy API. It was found (on an S2API aware demod at least) that after using an S2API aware application and then switching to a legacy application that prior S2API params were in effect were legacy has only implied values. This fixes this. Signed-off-by: Darron Broad Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index f44b64b8e614..ff8cda0ac333 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -900,6 +900,8 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame switch (fe->ops.info.type) { case FE_QPSK: + c->modulation = QPSK; /* implied for DVB-S in legacy API */ + c->rolloff = ROLLOFF_35;/* implied for DVB-S */ c->symbol_rate = p->u.qpsk.symbol_rate; c->fec_inner = p->u.qpsk.fec_inner; c->delivery_system = SYS_DVBS; -- GitLab From 82d7669dc3c0e795c24111fed88e9d5d70f209e0 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 20:44:04 -0300 Subject: [PATCH 4283/6244] V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation This means that when developers add new commands then they'll be see the DTV_MAX_COMMAND define and will be more likely to modify it, without having to modify the command validation code. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 3 +-- include/linux/dvb/frontend.h | 2 ++ 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index ff8cda0ac333..7fe9b3fb1e34 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -848,8 +848,7 @@ void dtv_property_dump(struct dtv_property *tvp) { int i; - if( (tvp->cmd <= 0 || tvp->cmd > DTV_DELIVERY_SYSTEM) && - tvp->cmd != DTV_API_VERSION) { + if (tvp->cmd <= 0 || tvp->cmd > DTV_MAX_COMMAND) { printk("%s: tvp.cmd = 0x%08x (undefined/unknown/invalid)\n", __func__, tvp->cmd); return; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index eb98f8c37cad..1cfcd1a86e8a 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -270,6 +270,8 @@ struct dvb_frontend_event { #define DTV_API_VERSION 35 +#define DTV_MAX_COMMAND DTV_API_VERSION + typedef enum fe_pilot { PILOT_ON, PILOT_OFF, -- GitLab From de9be0eaae2a23b1782ae0d271961b83abc6e200 Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sun, 5 Oct 2008 08:52:18 -0300 Subject: [PATCH 4284/6244] V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator. Allow custom inittab for ST STV0288 demodulator, as it is needed for DvbWorld USB card. Signed-off-by: Igor M. Liplianin Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stv0288.c | 20 ++++++++++++++++---- drivers/media/dvb/frontends/stv0288.h | 2 ++ 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/frontends/stv0288.c b/drivers/media/dvb/frontends/stv0288.c index 90e72e771a04..ff1194de34c0 100644 --- a/drivers/media/dvb/frontends/stv0288.c +++ b/drivers/media/dvb/frontends/stv0288.c @@ -328,16 +328,28 @@ static int stv0288_init(struct dvb_frontend *fe) { struct stv0288_state *state = fe->demodulator_priv; int i; + u8 reg; + u8 val; dprintk("stv0288: init chip\n"); stv0288_writeregI(state, 0x41, 0x04); msleep(50); - for (i = 0; !(stv0288_inittab[i] == 0xff && + /* we have default inittab */ + if (state->config->inittab == NULL) { + for (i = 0; !(stv0288_inittab[i] == 0xff && stv0288_inittab[i + 1] == 0xff); i += 2) - stv0288_writeregI(state, stv0288_inittab[i], - stv0288_inittab[i + 1]); - + stv0288_writeregI(state, stv0288_inittab[i], + stv0288_inittab[i + 1]); + } else { + for (i = 0; ; i += 2) { + reg = state->config->inittab[i]; + val = state->config->inittab[i+1]; + if (reg == 0xff && val == 0xff) + break; + stv0288_writeregI(state, reg, val); + } + } return 0; } diff --git a/drivers/media/dvb/frontends/stv0288.h b/drivers/media/dvb/frontends/stv0288.h index aa0cdd273040..f2b53db0606d 100644 --- a/drivers/media/dvb/frontends/stv0288.h +++ b/drivers/media/dvb/frontends/stv0288.h @@ -34,6 +34,8 @@ struct stv0288_config { /* the demodulator's i2c address */ u8 demod_address; + u8* inittab; + /* minimum delay before retuning */ int min_delay_ms; -- GitLab From ceab2fe84987a9b2dbe6107f83ac99c98040abcc Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sun, 5 Oct 2008 08:57:11 -0300 Subject: [PATCH 4285/6244] V4L/DVB (9175): Remove NULL pointer in stb6000 driver. Remove NULL pointer in stb6000 driver, as it raises error for DvbWorld USB card. Signed-off-by: Igor M. Liplianin Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stb6000.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/stb6000.c b/drivers/media/dvb/frontends/stb6000.c index 7d65123b4ec9..0e2cb0df1441 100644 --- a/drivers/media/dvb/frontends/stb6000.c +++ b/drivers/media/dvb/frontends/stb6000.c @@ -201,12 +201,13 @@ struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c) { struct stb6000_priv *priv = NULL; + u8 b0[] = { 0 }; u8 b1[] = { 0, 0 }; struct i2c_msg msg[2] = { { .addr = addr, .flags = 0, - .buf = NULL, + .buf = b0, .len = 0 }, { .addr = addr, -- GitLab From 8a4949b7e98cbb9e304416ecf6da978e1fb1fb9e Mon Sep 17 00:00:00 2001 From: "Igor M. Liplianin" Date: Sun, 5 Oct 2008 09:11:21 -0300 Subject: [PATCH 4286/6244] V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator. Add support for DvbWorld USB cards with STV0288 demodulator. Those cards use Earda EDS-1547 tuner. Signed-off-by: Igor M. Liplianin Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/Kconfig | 2 + drivers/media/dvb/dvb-usb/dw2102.c | 123 +++++++++++++++++++++++- drivers/media/dvb/frontends/eds1547.h | 133 ++++++++++++++++++++++++++ 3 files changed, 254 insertions(+), 4 deletions(-) create mode 100644 drivers/media/dvb/frontends/eds1547.h diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index 57bb470bd064..3c13bcfa6385 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -253,6 +253,8 @@ config DVB_USB_DW2102 depends on DVB_USB select DVB_PLL if !DVB_FE_CUSTOMISE select DVB_STV0299 if !DVB_FE_CUSTOMISE + select DVB_STV0288 if !DVB_FE_CUSTOMISE + select DVB_STB6000 if !DVB_FE_CUSTOMISE select DVB_CX24116 if !DVB_FE_CUSTOMISE select DVB_SI21XX if !DVB_FE_CUSTOMISE help diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index 20ba3f129001..ca53df61caa8 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -14,6 +14,9 @@ #include "si21xx.h" #include "stv0299.h" #include "z0194a.h" +#include "stv0288.h" +#include "stb6000.h" +#include "eds1547.h" #include "cx24116.h" #ifndef USB_PID_DW2102 @@ -199,6 +202,78 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, mutex_unlock(&d->i2c_mutex); return num; } +static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret = 0; + + if (!d) + return -ENODEV; + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + switch (num) { + case 2: { + /* read */ + /* first write first register number */ + u8 ibuf [msg[1].len + 2], obuf[3]; + obuf[0] = 0xd0; + obuf[1] = msg[0].len; + obuf[2] = msg[0].buf[0]; + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW210X_WRITE_MSG); + /* second read registers */ + ret = dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0, + ibuf, msg[1].len + 2, DW210X_READ_MSG); + memcpy(msg[1].buf, ibuf + 2, msg[1].len); + + break; + } + case 1: + switch (msg[0].addr) { + case 0x68: { + /* write to register */ + u8 obuf[msg[0].len + 2]; + obuf[0] = 0xd0; + obuf[1] = msg[0].len; + memcpy(obuf + 2, msg[0].buf, msg[0].len); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW210X_WRITE_MSG); + break; + } + case 0x61: { + /* write to tuner */ + u8 obuf[msg[0].len + 2]; + obuf[0] = 0xc2; + obuf[1] = msg[0].len; + memcpy(obuf + 2, msg[0].buf, msg[0].len); + ret = dw210x_op_rw(d->udev, 0xc2, 0, 0, + obuf, msg[0].len + 2, DW210X_WRITE_MSG); + break; + } + case(DW2102_RC_QUERY): { + u8 ibuf[2]; + ret = dw210x_op_rw(d->udev, 0xb8, 0, 0, + ibuf, 2, DW210X_READ_MSG); + memcpy(msg[0].buf, ibuf , 2); + break; + } + case(DW2102_VOLTAGE_CTRL): { + u8 obuf[2]; + obuf[0] = 0x30; + obuf[1] = msg[0].buf[0]; + ret = dw210x_op_rw(d->udev, 0xb2, 0, 0, + obuf, 2, DW210X_WRITE_MSG); + break; + } + } + + break; + } + + mutex_unlock(&d->i2c_mutex); + return num; +} static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { @@ -297,6 +372,11 @@ static struct i2c_algorithm dw2102_serit_i2c_algo = { .functionality = dw210x_i2c_func, }; +static struct i2c_algorithm dw2102_earda_i2c_algo = { + .master_xfer = dw2102_earda_i2c_transfer, + .functionality = dw210x_i2c_func, +}; + static struct i2c_algorithm dw2104_i2c_algo = { .master_xfer = dw2104_i2c_transfer, .functionality = dw210x_i2c_func, @@ -378,6 +458,17 @@ static int dw2102_frontend_attach(struct dvb_usb_adapter *d) return 0; } } + if (dw2102_properties.i2c_algo == &dw2102_earda_i2c_algo) { + /*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/ + d->fe = dvb_attach(stv0288_attach, &earda_config, + &d->dev->i2c_adap); + if (d->fe != NULL) { + d->fe->ops.set_voltage = dw210x_set_voltage; + info("Attached stv0288!\n"); + return 0; + } + } + if (dw2102_properties.i2c_algo == &dw2102_i2c_algo) { /*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/ d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config, @@ -398,6 +489,14 @@ static int dw2102_tuner_attach(struct dvb_usb_adapter *adap) return 0; } +static int dw2102_earda_tuner_attach(struct dvb_usb_adapter *adap) +{ + dvb_attach(stb6000_attach, adap->fe, 0x61, + &adap->dev->i2c_adap); + + return 0; +} + static struct dvb_usb_rc_key dw210x_rc_keys[] = { { 0xf8, 0x0a, KEY_Q }, /*power*/ { 0xf8, 0x0c, KEY_M }, /*mute*/ @@ -478,7 +577,7 @@ static int dw2102_load_firmware(struct usb_device *dev, u8 *b, *p; int ret = 0, i; u8 reset; - u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0}; + u8 reset16[] = {0, 0, 0, 0, 0, 0, 0}; const struct firmware *fw; const char *filename = "dvb-usb-dw2101.fw"; switch (dev->descriptor.idProduct) { @@ -544,9 +643,25 @@ static int dw2102_load_firmware(struct usb_device *dev, /* check STV0299 frontend */ dw210x_op_rw(dev, 0xb5, 0, 0, &reset16[0], 2, DW210X_READ_MSG); - if (reset16[0] == 0xa1) + if (reset16[0] == 0xa1) { dw2102_properties.i2c_algo = &dw2102_i2c_algo; - break; + dw2102_properties.adapter->tuner_attach = &dw2102_tuner_attach; + break; + } else { + /* check STV0288 frontend */ + reset16[0] = 0xd0; + reset16[1] = 1; + reset16[2] = 0; + dw210x_op_rw(dev, 0xc2, 0, 0, &reset16[0], 3, + DW210X_WRITE_MSG); + dw210x_op_rw(dev, 0xc3, 0xd1, 0, &reset16[0], 3, + DW210X_READ_MSG); + if (reset16[2] == 0x11) { + dw2102_properties.i2c_algo = &dw2102_earda_i2c_algo; + dw2102_properties.adapter->tuner_attach = &dw2102_earda_tuner_attach; + break; + } + } case 0x2101: dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2, DW210X_READ_MSG); @@ -586,7 +701,7 @@ static struct dvb_usb_device_properties dw2102_properties = { { .frontend_attach = dw2102_frontend_attach, .streaming_ctrl = NULL, - .tuner_attach = dw2102_tuner_attach, + .tuner_attach = NULL, .stream = { .type = USB_BULK, .count = 8, diff --git a/drivers/media/dvb/frontends/eds1547.h b/drivers/media/dvb/frontends/eds1547.h new file mode 100644 index 000000000000..fa79b7c83dd2 --- /dev/null +++ b/drivers/media/dvb/frontends/eds1547.h @@ -0,0 +1,133 @@ +/* eds1547.h Earda EDS-1547 tuner support +* +* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) +* +* This program is free software; you can redistribute it and/or modify it +* under the terms of the GNU General Public License as published by the +* Free Software Foundation, version 2. +* +* see Documentation/dvb/README.dvb-usb for more information +*/ + +#ifndef EDS1547 +#define EDS1547 + +static u8 stv0288_earda_inittab[] = { + 0x01, 0x57, + 0x02, 0x20, + 0x03, 0x8e, + 0x04, 0x8e, + 0x05, 0x12, + 0x06, 0x00, + 0x07, 0x00, + 0x09, 0x00, + 0x0a, 0x04, + 0x0b, 0x00, + 0x0c, 0x00, + 0x0d, 0x00, + 0x0e, 0xd4, + 0x0f, 0x30, + 0x11, 0x44, + 0x12, 0x03, + 0x13, 0x48, + 0x14, 0x84, + 0x15, 0x45, + 0x16, 0xb7, + 0x17, 0x9c, + 0x18, 0x00, + 0x19, 0xa6, + 0x1a, 0x88, + 0x1b, 0x8f, + 0x1c, 0xf0, + 0x20, 0x0b, + 0x21, 0x54, + 0x22, 0x00, + 0x23, 0x00, + 0x2b, 0xff, + 0x2c, 0xf7, + 0x30, 0x00, + 0x31, 0x1e, + 0x32, 0x14, + 0x33, 0x0f, + 0x34, 0x09, + 0x35, 0x0c, + 0x36, 0x05, + 0x37, 0x2f, + 0x38, 0x16, + 0x39, 0xbd, + 0x3a, 0x00, + 0x3b, 0x13, + 0x3c, 0x11, + 0x3d, 0x30, + 0x40, 0x63, + 0x41, 0x04, + 0x42, 0x60, + 0x43, 0x00, + 0x44, 0x00, + 0x45, 0x00, + 0x46, 0x00, + 0x47, 0x00, + 0x4a, 0x00, + 0x50, 0x10, + 0x51, 0x36, + 0x52, 0x09, + 0x53, 0x94, + 0x54, 0x62, + 0x55, 0x29, + 0x56, 0x64, + 0x57, 0x2b, + 0x58, 0x54, + 0x59, 0x86, + 0x5a, 0x00, + 0x5b, 0x9b, + 0x5c, 0x08, + 0x5d, 0x7f, + 0x5e, 0x00, + 0x5f, 0xff, + 0x70, 0x00, + 0x71, 0x00, + 0x72, 0x00, + 0x74, 0x00, + 0x75, 0x00, + 0x76, 0x00, + 0x81, 0x00, + 0x82, 0x3f, + 0x83, 0x3f, + 0x84, 0x00, + 0x85, 0x00, + 0x88, 0x00, + 0x89, 0x00, + 0x8a, 0x00, + 0x8b, 0x00, + 0x8c, 0x00, + 0x90, 0x00, + 0x91, 0x00, + 0x92, 0x00, + 0x93, 0x00, + 0x94, 0x1c, + 0x97, 0x00, + 0xa0, 0x48, + 0xa1, 0x00, + 0xb0, 0xb8, + 0xb1, 0x3a, + 0xb2, 0x10, + 0xb3, 0x82, + 0xb4, 0x80, + 0xb5, 0x82, + 0xb6, 0x82, + 0xb7, 0x82, + 0xb8, 0x20, + 0xb9, 0x00, + 0xf0, 0x00, + 0xf1, 0x00, + 0xf2, 0xc0, + 0xff,0xff, +}; + +static struct stv0288_config earda_config = { + .demod_address = 0x68, + .min_delay_ms = 100, + .inittab = stv0288_earda_inittab, +}; + +#endif -- GitLab From 0a6393ae21d58e85882185ce1e6b0fe28ff2dfa6 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 21:06:48 -0300 Subject: [PATCH 4287/6244] V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16 ... and cleanup any drivers using them. I've also removed NBC_QPSK and modified the cx24116 driver to check the delivery_type also, removing some excess namespace baggage. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 6 +-- drivers/media/dvb/frontends/cx24116.c | 51 ++++++++++++----------- include/linux/dvb/frontend.h | 5 +-- 3 files changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 7fe9b3fb1e34..7b4b1a5ac427 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1011,9 +1011,9 @@ void dtv_property_adv_params_sync(struct dvb_frontend *fe) p->inversion = c->inversion; switch(c->modulation) { - case _8PSK: - case _16APSK: - case NBC_QPSK: + case PSK_8: + case APSK_16: + case QPSK: p->u.qpsk.symbol_rate = c->symbol_rate; p->u.qpsk.fec_inner = c->fec_inner; break; diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 808ef2995d80..30f82cb0928b 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -344,6 +344,7 @@ static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_invers * a scheme are support. Especially, no auto detect when in S2 mode. */ struct cx24116_modfec { + fe_delivery_system_t delivery_system; fe_modulation_t modulation; fe_code_rate_t fec; u8 mask; /* In DVBS mode this is used to autodetect */ @@ -352,32 +353,32 @@ struct cx24116_modfec { /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ /*mod fec mask val */ - { QPSK, FEC_NONE, 0xfe, 0x30 }, - { QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ - { QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ - { QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ - { QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ - { QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ - { QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ - { QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ - { QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ - { QPSK, FEC_AUTO, 0xfe, 0x30 }, + { SYS_DVBS, QPSK, FEC_NONE, 0xfe, 0x30 }, + { SYS_DVBS, QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ + { SYS_DVBS, QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ + { SYS_DVBS, QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ + { SYS_DVBS, QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ + { SYS_DVBS, QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ + { SYS_DVBS, QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ + { SYS_DVBS, QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ + { SYS_DVBS, QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ + { SYS_DVBS, QPSK, FEC_AUTO, 0xfe, 0x30 }, /* NBC-QPSK */ - { NBC_QPSK, FEC_1_2, 0x00, 0x04 }, - { NBC_QPSK, FEC_3_5, 0x00, 0x05 }, - { NBC_QPSK, FEC_2_3, 0x00, 0x06 }, - { NBC_QPSK, FEC_3_4, 0x00, 0x07 }, - { NBC_QPSK, FEC_4_5, 0x00, 0x08 }, - { NBC_QPSK, FEC_5_6, 0x00, 0x09 }, - { NBC_QPSK, FEC_8_9, 0x00, 0x0a }, - { NBC_QPSK, FEC_9_10, 0x00, 0x0b }, + { SYS_DVBS2, QPSK, FEC_1_2, 0x00, 0x04 }, + { SYS_DVBS2, QPSK, FEC_3_5, 0x00, 0x05 }, + { SYS_DVBS2, QPSK, FEC_2_3, 0x00, 0x06 }, + { SYS_DVBS2, QPSK, FEC_3_4, 0x00, 0x07 }, + { SYS_DVBS2, QPSK, FEC_4_5, 0x00, 0x08 }, + { SYS_DVBS2, QPSK, FEC_5_6, 0x00, 0x09 }, + { SYS_DVBS2, QPSK, FEC_8_9, 0x00, 0x0a }, + { SYS_DVBS2, QPSK, FEC_9_10, 0x00, 0x0b }, /* 8PSK */ - { _8PSK, FEC_3_5, 0x00, 0x0c }, - { _8PSK, FEC_2_3, 0x00, 0x0d }, - { _8PSK, FEC_3_4, 0x00, 0x0e }, - { _8PSK, FEC_5_6, 0x00, 0x0f }, - { _8PSK, FEC_8_9, 0x00, 0x10 }, - { _8PSK, FEC_9_10, 0x00, 0x11 }, + { SYS_DVBS2, PSK_8, FEC_3_5, 0x00, 0x0c }, + { SYS_DVBS2, PSK_8, FEC_2_3, 0x00, 0x0d }, + { SYS_DVBS2, PSK_8, FEC_3_4, 0x00, 0x0e }, + { SYS_DVBS2, PSK_8, FEC_5_6, 0x00, 0x0f }, + { SYS_DVBS2, PSK_8, FEC_8_9, 0x00, 0x10 }, + { SYS_DVBS2, PSK_8, FEC_9_10, 0x00, 0x11 }, /* * `val' can be found in the FECSTATUS register when tuning. * FECSTATUS will give the actual FEC in use if tuning was successful. @@ -1158,7 +1159,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2, * but not hardware auto detection */ - if(c->modulation != _8PSK && c->modulation != NBC_QPSK) { + if(c->modulation != PSK_8 && c->modulation != QPSK) { dprintk("%s: unsupported modulation selected (%d)\n", __func__, c->modulation); return -EOPNOTSUPP; diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 1cfcd1a86e8a..291dd8e5e58d 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -164,9 +164,8 @@ typedef enum fe_modulation { QAM_AUTO, VSB_8, VSB_16, - _8PSK, - _16APSK, - NBC_QPSK, + PSK_8, + APSK_16, DQPSK, } fe_modulation_t; -- GitLab From 8953db793d5bdeea5ac92c9e97f57d3ff8a7dccf Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 21:20:21 -0300 Subject: [PATCH 4288/6244] V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO. I've retained the older percentage code after discussing this with Darron Broad, but made the ESNO option default. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 39 ++++++++++++++++++++++++--- 1 file changed, 36 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index 30f82cb0928b..b8acc7b74c33 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -57,8 +57,9 @@ static int debug = 0; #define CX24116_REG_RESET (0x20) /* reset status > 0 */ #define CX24116_REG_SIGNAL (0x9e) /* signal low */ #define CX24116_REG_SSTATUS (0x9d) /* signal high / status */ +#define CX24116_REG_QUALITY8 (0xa3) #define CX24116_REG_QSTATUS (0xbc) -#define CX24116_REG_QUALITY (0xd5) +#define CX24116_REG_QUALITY0 (0xd5) #define CX24116_REG_BER0 (0xc9) #define CX24116_REG_BER8 (0xc8) #define CX24116_REG_BER16 (0xc7) @@ -116,6 +117,9 @@ static int debug = 0; /* DiSEqC tone burst */ static int toneburst = 1; +/* SNR measurements */ +static int esno_snr = 1; + enum cmds { CMD_SET_VCO = 0x10, @@ -703,7 +707,7 @@ static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_str } /* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ -static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) +static int cx24116_read_snr_pct(struct dvb_frontend* fe, u16* snr) { struct cx24116_state *state = fe->demodulator_priv; u8 snr_reading; @@ -714,7 +718,7 @@ static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) dprintk("%s()\n", __func__); - snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY); + snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0); if(snr_reading >= 0xa0 /* 100% */) *snr = 0xffff; @@ -728,6 +732,32 @@ static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) return 0; } +/* The reelbox patches show the value in the registers represents + * ESNO, from 0->30db (values 0->300). We provide this value by + * default. + */ +static int cx24116_read_snr_esno(struct dvb_frontend* fe, u16* snr) +{ + struct cx24116_state *state = fe->demodulator_priv; + + dprintk("%s()\n", __func__); + + *snr = cx24116_readreg(state, CX24116_REG_QUALITY8) << 8 | + cx24116_readreg(state, CX24116_REG_QUALITY0); + + dprintk("%s: raw 0x%04x\n", __func__, *snr); + + return 0; +} + +static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) +{ + if (esno_snr == 1) + return cx24116_read_snr_esno(fe, snr); + else + return cx24116_read_snr_pct(fe, snr); +} + static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) { struct cx24116_state *state = fe->demodulator_priv; @@ -1383,6 +1413,9 @@ MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); module_param(toneburst, int, 0644); MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)"); +module_param(esno_snr, int, 0644); +MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:1)"); + MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); MODULE_AUTHOR("Steven Toth"); MODULE_LICENSE("GPL"); -- GitLab From cc7d705e7a2c28ae1bd8b2fd29524277262967ab Mon Sep 17 00:00:00 2001 From: Brandon Philips Date: Mon, 6 Oct 2008 21:31:48 -0300 Subject: [PATCH 4289/6244] V4L/DVB (9179): S2API: frontend.h cleanup Reviewing the code briefly and saw this. You can't change more than DTV_IOCTL_MAX_MSGS at once, not 16. Signed-off-by: Brandon Philips Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/frontend.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 291dd8e5e58d..3d4fab495fb2 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -328,14 +328,14 @@ struct dtv_property { int result; } __attribute__ ((packed)); -/* No more than 16 properties during any given ioctl */ +/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ +#define DTV_IOCTL_MAX_MSGS 64 + struct dtv_properties { __u32 num; struct dtv_property *props; }; -#define DTV_IOCTL_MAX_MSGS 64 - #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) -- GitLab From a4de91be46b73ec6743b9d76155550e49507723c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 21:55:46 -0300 Subject: [PATCH 4290/6244] V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP Reports from users that using the new API for tuning DTV was failing, and the cache was missing some essential items. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 32 +++++++++++++++++++++++ include/linux/dvb/frontend.h | 5 +++- 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 7b4b1a5ac427..104f40b7171d 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -830,6 +830,16 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_DELIVERY_SYSTEM, .set = 1, }, + [DTV_CODE_RATE_HP] = { + .name = "DTV_CODE_RATE_HP", + .cmd = DTV_CODE_RATE_HP, + .set = 1, + }, + [DTV_CODE_RATE_LP] = { + .name = "DTV_CODE_RATE_LP", + .cmd = DTV_CODE_RATE_LP, + .set = 1, + }, /* Get */ [DTV_DISEQC_SLAVE_REPLY] = { .name = "DTV_DISEQC_SLAVE_REPLY", @@ -842,6 +852,16 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_API_VERSION, .set = 0, }, + [DTV_CODE_RATE_HP] = { + .name = "DTV_CODE_RATE_HP", + .cmd = DTV_CODE_RATE_HP, + .set = 0, + }, + [DTV_CODE_RATE_LP] = { + .name = "DTV_CODE_RATE_LP", + .cmd = DTV_CODE_RATE_LP, + .set = 0, + }, }; void dtv_property_dump(struct dtv_property *tvp) @@ -1121,6 +1141,12 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_API_VERSION: tvp->u.data = (DVB_API_VERSION << 8) | DVB_API_VERSION_MINOR; break; + case DTV_CODE_RATE_HP: + tvp->u.data = fe->dtv_property_cache.code_rate_HP; + break; + case DTV_CODE_RATE_LP: + tvp->u.data = fe->dtv_property_cache.code_rate_LP; + break; default: r = -1; } @@ -1202,6 +1228,12 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_TONE, (void *)fe->dtv_property_cache.sectone); break; + case DTV_CODE_RATE_HP: + fe->dtv_property_cache.code_rate_HP = tvp->u.data; + break; + case DTV_CODE_RATE_LP: + fe->dtv_property_cache.code_rate_LP = tvp->u.data; + break; default: r = -1; } diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 3d4fab495fb2..6675edfab3fc 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -268,8 +268,11 @@ struct dvb_frontend_event { #define DTV_DELIVERY_SYSTEM 17 #define DTV_API_VERSION 35 +#define DTV_API_VERSION 35 +#define DTV_CODE_RATE_HP 36 +#define DTV_CODE_RATE_LP 37 -#define DTV_MAX_COMMAND DTV_API_VERSION +#define DTV_MAX_COMMAND DTV_CODE_RATE_LP typedef enum fe_pilot { PILOT_ON, -- GitLab From b87625f0ccbbc67efba356e73502fa9bbb784b1c Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 21:56:59 -0300 Subject: [PATCH 4291/6244] V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE Tuning DVB-T via the S2API was failing, missing some essential items. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 32 +++++++++++++++++++++++ include/linux/dvb/frontend.h | 4 ++- 2 files changed, 35 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 104f40b7171d..0ddc2f4ecd4a 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -840,6 +840,16 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_CODE_RATE_LP, .set = 1, }, + [DTV_GUARD_INTERVAL] = { + .name = "DTV_GUARD_INTERVAL", + .cmd = DTV_GUARD_INTERVAL, + .set = 1, + }, + [DTV_TRANSMISSION_MODE] = { + .name = "DTV_TRANSMISSION_MODE", + .cmd = DTV_TRANSMISSION_MODE, + .set = 1, + }, /* Get */ [DTV_DISEQC_SLAVE_REPLY] = { .name = "DTV_DISEQC_SLAVE_REPLY", @@ -862,6 +872,16 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_CODE_RATE_LP, .set = 0, }, + [DTV_GUARD_INTERVAL] = { + .name = "DTV_GUARD_INTERVAL", + .cmd = DTV_GUARD_INTERVAL, + .set = 0, + }, + [DTV_TRANSMISSION_MODE] = { + .name = "DTV_TRANSMISSION_MODE", + .cmd = DTV_TRANSMISSION_MODE, + .set = 0, + }, }; void dtv_property_dump(struct dtv_property *tvp) @@ -1147,6 +1167,12 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_CODE_RATE_LP: tvp->u.data = fe->dtv_property_cache.code_rate_LP; break; + case DTV_GUARD_INTERVAL: + tvp->u.data = fe->dtv_property_cache.guard_interval; + break; + case DTV_TRANSMISSION_MODE: + tvp->u.data = fe->dtv_property_cache.transmission_mode; + break; default: r = -1; } @@ -1234,6 +1260,12 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_CODE_RATE_LP: fe->dtv_property_cache.code_rate_LP = tvp->u.data; break; + case DTV_GUARD_INTERVAL: + fe->dtv_property_cache.guard_interval = tvp->u.data; + break; + case DTV_TRANSMISSION_MODE: + fe->dtv_property_cache.transmission_mode = tvp->u.data; + break; default: r = -1; } diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 6675edfab3fc..5578fba208f4 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -271,8 +271,10 @@ struct dvb_frontend_event { #define DTV_API_VERSION 35 #define DTV_CODE_RATE_HP 36 #define DTV_CODE_RATE_LP 37 +#define DTV_GUARD_INTERVAL 38 +#define DTV_TRANSMISSION_MODE 39 -#define DTV_MAX_COMMAND DTV_CODE_RATE_LP +#define DTV_MAX_COMMAND DTV_TRANSMISSION_MODE typedef enum fe_pilot { PILOT_ON, -- GitLab From ef526f4246f566370218bb6e639f7549244ca5a2 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 22:01:47 -0300 Subject: [PATCH 4292/6244] V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY A user tuning DVB-T via the S2API reports that this was not implemented, and his tuning was failing. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 16 ++++++++++++++++ include/linux/dvb/frontend.h | 3 ++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 0ddc2f4ecd4a..bd59c9514ab5 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -830,6 +830,11 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_DELIVERY_SYSTEM, .set = 1, }, + [DTV_HIERARCHY] = { + .name = "DTV_HIERARCHY", + .cmd = DTV_HIERARCHY, + .set = 1, + }, [DTV_CODE_RATE_HP] = { .name = "DTV_CODE_RATE_HP", .cmd = DTV_CODE_RATE_HP, @@ -882,6 +887,11 @@ struct dtv_cmds_h dtv_cmds[] = { .cmd = DTV_TRANSMISSION_MODE, .set = 0, }, + [DTV_HIERARCHY] = { + .name = "DTV_HIERARCHY", + .cmd = DTV_HIERARCHY, + .set = 0, + }, }; void dtv_property_dump(struct dtv_property *tvp) @@ -1173,6 +1183,9 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_TRANSMISSION_MODE: tvp->u.data = fe->dtv_property_cache.transmission_mode; break; + case DTV_HIERARCHY: + tvp->u.data = fe->dtv_property_cache.hierarchy; + break; default: r = -1; } @@ -1266,6 +1279,9 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp, case DTV_TRANSMISSION_MODE: fe->dtv_property_cache.transmission_mode = tvp->u.data; break; + case DTV_HIERARCHY: + fe->dtv_property_cache.hierarchy = tvp->u.data; + break; default: r = -1; } diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index 5578fba208f4..e185627219e3 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -273,8 +273,9 @@ struct dvb_frontend_event { #define DTV_CODE_RATE_LP 37 #define DTV_GUARD_INTERVAL 38 #define DTV_TRANSMISSION_MODE 39 +#define DTV_HIERARCHY 40 -#define DTV_MAX_COMMAND DTV_TRANSMISSION_MODE +#define DTV_MAX_COMMAND DTV_HIERARCHY typedef enum fe_pilot { PILOT_ON, -- GitLab From 6068f5063850984fe6c2490bc8384a7afa2728dc Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 6 Oct 2008 22:46:08 -0300 Subject: [PATCH 4293/6244] V4L/DVB (9183): S2API: Return error of the caller provides 0 commands. S2API: Return error of the caller provides 0 commands. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-core/dvb_frontend.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index bd59c9514ab5..f170e822fadc 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -1344,7 +1344,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, /* Put an arbitrary limit on the number of messages that can * be sent at once */ - if (tvps->num > DTV_IOCTL_MAX_MSGS) + if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS)) return -EINVAL; tvp = (struct dtv_property *) kmalloc(tvps->num * @@ -1379,7 +1379,7 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, /* Put an arbitrary limit on the number of messages that can * be sent at once */ - if (tvps->num > DTV_IOCTL_MAX_MSGS) + if ((tvps->num == 0) || (tvps->num > DTV_IOCTL_MAX_MSGS)) return -EINVAL; tvp = (struct dtv_property *) kmalloc(tvps->num * -- GitLab From b40d29e0afac38f4ce6cb1db400a60f36c5cabee Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Tue, 7 Oct 2008 13:10:12 -0300 Subject: [PATCH 4294/6244] V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default. cx24116: Change the default SNR units back to percentage by default. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/cx24116.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index b8acc7b74c33..deb36f469ada 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -118,7 +118,7 @@ static int debug = 0; static int toneburst = 1; /* SNR measurements */ -static int esno_snr = 1; +static int esno_snr = 0; enum cmds { @@ -1414,7 +1414,7 @@ module_param(toneburst, int, 0644); MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)"); module_param(esno_snr, int, 0644); -MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:1)"); +MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)"); MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); MODULE_AUTHOR("Steven Toth"); -- GitLab From a52f68c648585ff615175269d8f6cbcbb08d7f4d Mon Sep 17 00:00:00 2001 From: Darron Broad Date: Tue, 7 Oct 2008 17:30:45 -0300 Subject: [PATCH 4295/6244] V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default Non-initialised cache values get a reasonble default. Signed-off-by: Darron Broad Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- include/linux/dvb/frontend.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index e185627219e3..6e4ace270276 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -284,9 +284,9 @@ typedef enum fe_pilot { } fe_pilot_t; typedef enum fe_rolloff { + ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ ROLLOFF_20, ROLLOFF_25, - ROLLOFF_35, ROLLOFF_AUTO, } fe_rolloff_t; -- GitLab From 4fa971811cda4036d84574bfb38bd9b22b5c35ec Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 13 Oct 2008 10:42:44 +0100 Subject: [PATCH 4296/6244] MN10300: MEI are renaming themselves to Panasonic MEI are renaming themselves to Panasonic, so update the MAINTAINERS record for the MN10300 arch. Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- MAINTAINERS | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 6ba3ee822838..74b808205312 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2797,15 +2797,6 @@ L: linux-mtd@lists.infradead.org T: git git://git.infradead.org/mtd-2.6.git S: Maintained -MEI MN10300/AM33 PORT -P: David Howells -M: dhowells@redhat.com -P: Koichi Yasutake -M: yasutake.koichi@jp.panasonic.com -L: linux-am33-list@redhat.com (moderated for non-subscribers) -W: ftp://ftp.redhat.com/pub/redhat/gnupro/AM33/ -S: Maintained - MICROTEK X6 SCANNER P: Oliver Neukum M: oliver@neukum.name @@ -3170,6 +3161,15 @@ M: olof@lixom.net L: i2c@lm-sensors.org S: Maintained +PANASONIC MN10300/AM33 PORT +P: David Howells +M: dhowells@redhat.com +P: Koichi Yasutake +M: yasutake.koichi@jp.panasonic.com +L: linux-am33-list@redhat.com (moderated for non-subscribers) +W: ftp://ftp.redhat.com/pub/redhat/gnupro/AM33/ +S: Maintained + PARALLEL PORT SUPPORT L: linux-parport@lists.infradead.org (subscribers-only) S: Orphan -- GitLab From 57f51dbc45f65f7ee1e8c8f77200bb8000e3e271 Mon Sep 17 00:00:00 2001 From: Oleg Roitburd Date: Wed, 8 Oct 2008 06:48:08 -0300 Subject: [PATCH 4297/6244] V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards Added support for Prof 7300 DVB-S/S2 card. The card based on cx24116 demodulator. Signed-off-by: Oleg Roitburd Signed-off-by: Steven Toth [mchehab@redhat.com: fixed CARDLIST.cx88 entry] Signed-off-by: Mauro Carvalho Chehab --- Documentation/video4linux/CARDLIST.cx88 | 1 + drivers/media/video/cx88/cx88-cards.c | 27 ++++++++++++++++--------- drivers/media/video/cx88/cx88-dvb.c | 9 +-------- drivers/media/video/cx88/cx88.h | 1 + 4 files changed, 20 insertions(+), 18 deletions(-) diff --git a/Documentation/video4linux/CARDLIST.cx88 b/Documentation/video4linux/CARDLIST.cx88 index 50d0b1c559a9..a5227e308f4a 100644 --- a/Documentation/video4linux/CARDLIST.cx88 +++ b/Documentation/video4linux/CARDLIST.cx88 @@ -73,3 +73,4 @@ 72 -> TBS 8920 DVB-S/S2 [8920:8888] 73 -> TeVii S420 DVB-S [d420:9022] 74 -> Prolink Pixelview Global Extreme [1554:4976] + 75 -> PROF 7300 DVB-S/S2 [B033:3033] diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index a9e52decb6f9..5da04e811ca2 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1822,6 +1822,18 @@ static const struct cx88_board cx88_boards[] = { } }, .mpeg = CX88_MPEG_DVB, }, + [CX88_BOARD_PROF_7300] = { + .name = "PROF 7300 DVB-S/S2", + .tuner_type = UNSET, + .radio_type = UNSET, + .tuner_addr = ADDR_UNSET, + .radio_addr = ADDR_UNSET, + .input = {{ + .type = CX88_VMUX_DVB, + .vmux = 0, + } }, + .mpeg = CX88_MPEG_DVB, + }, }; /* ------------------------------------------------------------------ */ @@ -2211,6 +2223,10 @@ static const struct cx88_subid cx88_subids[] = { .subvendor = 0x8920, .subdevice = 0x8888, .card = CX88_BOARD_TBS_8920, + }, { + .subvendor = 0xB033, + .subdevice = 0x3033, + .card = CX88_BOARD_PROF_7300, }, }; @@ -2817,18 +2833,9 @@ static void cx88_card_setup(struct cx88_core *core) } case CX88_BOARD_TEVII_S420: case CX88_BOARD_TEVII_S460: - cx_write(MO_SRST_IO, 0); - msleep(100); - cx_write(MO_SRST_IO, 1); - msleep(100); - break; case CX88_BOARD_OMICOM_SS4_PCI: - cx_write(MO_SRST_IO, 0); - msleep(100); - cx_write(MO_SRST_IO, 1); - msleep(100); - break; case CX88_BOARD_TBS_8920: + case CX88_BOARD_PROF_7300: cx_write(MO_SRST_IO, 0); msleep(100); cx_write(MO_SRST_IO, 1); diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index cccf38222a31..344ed2626e59 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -978,15 +978,8 @@ static int dvb_register(struct cx8802_dev *dev) } break; case CX88_BOARD_OMICOM_SS4_PCI: - dev->dvb.frontend = dvb_attach(cx24116_attach, - &hauppauge_hvr4000_config, - &core->i2c_adap); - if (dev->dvb.frontend != NULL) { - core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; - dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage; - } - break; case CX88_BOARD_TBS_8920: + case CX88_BOARD_PROF_7300: dev->dvb.frontend = dvb_attach(cx24116_attach, &hauppauge_hvr4000_config, &core->i2c_adap); diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index dce7d36edb42..dbf01b8b57a5 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -228,6 +228,7 @@ extern struct sram_channel cx88_sram_channels[]; #define CX88_BOARD_TBS_8920 72 #define CX88_BOARD_TEVII_S420 73 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74 +#define CX88_BOARD_PROF_7300 75 enum cx88_itype { CX88_VMUX_COMPOSITE1 = 1, -- GitLab From d945b697d0eea5a811ec299c5f1a25889bb0242b Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 16 Sep 2008 16:23:28 -0700 Subject: [PATCH 4298/6244] Automatic MODULE_ALIAS() for DMI match tables. This makes modpost handle MODULE_DEVICE_TABLE(dmi, xxxx). I had to change the string pointers in the match table to char arrays, and picked a size of 79 bytes almost at random -- do we need to make it bigger than that? I was a bit concerned about the 'bloat' this introduces into the match tables, but they should all be __initdata so it shouldn't matter too much. (Actually, modpost does go through the relocations and look at most of them; it wouldn't be impossible to make it handle string pointers -- but doesn't seem to be worth the effort, since they're __initdata). Signed-off-by: David Woodhouse --- include/linux/dmi.h | 41 ++---------------------- include/linux/mod_devicetable.h | 47 +++++++++++++++++++++++++++ scripts/mod/file2alias.c | 57 +++++++++++++++++++++++++++++++++ 3 files changed, 106 insertions(+), 39 deletions(-) diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 2a063b64133f..e5084eb5943a 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -2,29 +2,9 @@ #define __DMI_H__ #include +#include -enum dmi_field { - DMI_NONE, - DMI_BIOS_VENDOR, - DMI_BIOS_VERSION, - DMI_BIOS_DATE, - DMI_SYS_VENDOR, - DMI_PRODUCT_NAME, - DMI_PRODUCT_VERSION, - DMI_PRODUCT_SERIAL, - DMI_PRODUCT_UUID, - DMI_BOARD_VENDOR, - DMI_BOARD_NAME, - DMI_BOARD_VERSION, - DMI_BOARD_SERIAL, - DMI_BOARD_ASSET_TAG, - DMI_CHASSIS_VENDOR, - DMI_CHASSIS_TYPE, - DMI_CHASSIS_VERSION, - DMI_CHASSIS_SERIAL, - DMI_CHASSIS_ASSET_TAG, - DMI_STRING_MAX, -}; +/* enum dmi_field is in mod_devicetable.h */ enum dmi_device_type { DMI_DEV_TYPE_ANY = 0, @@ -48,23 +28,6 @@ struct dmi_header { u16 handle; }; -/* - * DMI callbacks for problem boards - */ -struct dmi_strmatch { - u8 slot; - char *substr; -}; - -struct dmi_system_id { - int (*callback)(const struct dmi_system_id *); - const char *ident; - struct dmi_strmatch matches[4]; - void *driver_data; -}; - -#define DMI_MATCH(a, b) { a, b } - struct dmi_device { struct list_head list; int type; diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index c4db5827963d..3481a7d5bc0a 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -388,5 +388,52 @@ struct i2c_device_id { __attribute__((aligned(sizeof(kernel_ulong_t)))); }; +/* dmi */ +enum dmi_field { + DMI_NONE, + DMI_BIOS_VENDOR, + DMI_BIOS_VERSION, + DMI_BIOS_DATE, + DMI_SYS_VENDOR, + DMI_PRODUCT_NAME, + DMI_PRODUCT_VERSION, + DMI_PRODUCT_SERIAL, + DMI_PRODUCT_UUID, + DMI_BOARD_VENDOR, + DMI_BOARD_NAME, + DMI_BOARD_VERSION, + DMI_BOARD_SERIAL, + DMI_BOARD_ASSET_TAG, + DMI_CHASSIS_VENDOR, + DMI_CHASSIS_TYPE, + DMI_CHASSIS_VERSION, + DMI_CHASSIS_SERIAL, + DMI_CHASSIS_ASSET_TAG, + DMI_STRING_MAX, +}; + +struct dmi_strmatch { + unsigned char slot; + char substr[79]; +}; + +#ifndef __KERNEL__ +struct dmi_system_id { + kernel_ulong_t callback; + kernel_ulong_t ident; + struct dmi_strmatch matches[4]; + kernel_ulong_t driver_data + __attribute__((aligned(sizeof(kernel_ulong_t)))); +}; +#else +struct dmi_system_id { + int (*callback)(const struct dmi_system_id *); + const char *ident; + struct dmi_strmatch matches[4]; + void *driver_data; +}; +#endif + +#define DMI_MATCH(a, b) { a, b } #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 4c9890ec2528..473f94e56ead 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -629,6 +629,59 @@ static int do_i2c_entry(const char *filename, struct i2c_device_id *id, return 1; } +static const struct dmifield { + const char *prefix; + int field; +} dmi_fields[] = { + { "bvn", DMI_BIOS_VENDOR }, + { "bvr", DMI_BIOS_VERSION }, + { "bd", DMI_BIOS_DATE }, + { "svn", DMI_SYS_VENDOR }, + { "pn", DMI_PRODUCT_NAME }, + { "pvr", DMI_PRODUCT_VERSION }, + { "rvn", DMI_BOARD_VENDOR }, + { "rn", DMI_BOARD_NAME }, + { "rvr", DMI_BOARD_VERSION }, + { "cvn", DMI_CHASSIS_VENDOR }, + { "ct", DMI_CHASSIS_TYPE }, + { "cvr", DMI_CHASSIS_VERSION }, + { NULL, DMI_NONE } +}; + +static void dmi_ascii_filter(char *d, const char *s) +{ + /* Filter out characters we don't want to see in the modalias string */ + for (; *s; s++) + if (*s > ' ' && *s < 127 && *s != ':') + *(d++) = *s; + + *d = 0; +} + + +static int do_dmi_entry(const char *filename, struct dmi_system_id *id, + char *alias) +{ + int i, j; + + sprintf(alias, "dmi*"); + + for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) { + for (j = 0; j < 4; j++) { + if (id->matches[j].slot && + id->matches[j].slot == dmi_fields[i].field) { + sprintf(alias + strlen(alias), ":%s*", + dmi_fields[i].prefix); + dmi_ascii_filter(alias + strlen(alias), + id->matches[j].substr); + strcat(alias, "*"); + } + } + } + + strcat(alias, ":"); + return 1; +} /* Ignore any prefix, eg. some architectures prepend _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -760,6 +813,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, do_table(symval, sym->st_size, sizeof(struct i2c_device_id), "i2c", do_i2c_entry, mod); + else if (sym_is(symname, "__mod_dmi_device_table")) + do_table(symval, sym->st_size, + sizeof(struct dmi_system_id), "dmi", + do_dmi_entry, mod); free(zeros); } -- GitLab From 239cfbde1f5843c4a24199f117d5f67f637d72d5 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 16 Sep 2008 16:25:24 -0700 Subject: [PATCH 4299/6244] Fix autoloading of MacBook Pro backlight driver. Use new MODULE_DEVICE_TABLE(dmi, ...) facility. There's no need for every driver to screw it up for themselves, when the alias can be generated automatically. Signed-off-by: David Woodhouse --- drivers/video/backlight/mbp_nvidia_bl.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 385cba40ea87..06964af761c6 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -111,6 +111,4 @@ module_exit(mbp_exit); MODULE_AUTHOR("Matthew Garrett "); MODULE_DESCRIPTION("Nvidia-based Macbook Pro Backlight Driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("svnAppleInc.:pnMacBookPro3,1"); -MODULE_ALIAS("svnAppleInc.:pnMacBookPro3,2"); -MODULE_ALIAS("svnAppleInc.:pnMacBookPro4,1"); +MODULE_DEVICE_TABLE(dmi, mbp_device_table); -- GitLab From 891cffbd6bcba26409869c19c07ecd4bfc0c2460 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 12 Oct 2008 13:16:12 -0700 Subject: [PATCH 4300/6244] x86/mm: do not trigger a kernel warning if user-space disables interrupts and generates a page fault Arjan reported a spike in the following bug pattern in v2.6.27: http://www.kerneloops.org/searchweek.php?search=lock_page which happens because hwclock started triggering warnings due to a (correct) might_sleep() check in the MM code. The warning occurs because hwclock uses this dubious sequence of code to run "atomic" code: static unsigned long atomic(const char *name, unsigned long (*op)(unsigned long), unsigned long arg) { unsigned long v; __asm__ volatile ("cli"); v = (*op)(arg); __asm__ volatile ("sti"); return v; } Then it pagefaults in that "atomic" section, triggering the warning. There is no way the kernel could provide "atomicity" in this path, a page fault is a cannot-continue machine event so the kernel has to wait for the page to be filled in. Even if it was just a minor fault we'd have to take locks and might have to spend quite a bit of time with interrupts disabled - not nice to irq latencies in general. So instead just enable interrupts in the pagefault path unconditionally if we come from user-space, and handle the fault. Also, while touching this code, unify some trivial parts of the x86 VM paths at the same time. Signed-off-by: Linus Torvalds Reported-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- arch/x86/mm/fault.c | 30 +++++++++++------------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index a742d753d5b0..ac2ad781da00 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -645,24 +645,23 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) } -#ifdef CONFIG_X86_32 - /* It's safe to allow irq's after cr2 has been saved and the vmalloc - fault has been handled. */ - if (regs->flags & (X86_EFLAGS_IF | X86_VM_MASK)) - local_irq_enable(); - /* - * If we're in an interrupt, have no user context or are running in an - * atomic region then we must not take the fault. + * It's safe to allow irq's after cr2 has been saved and the + * vmalloc fault has been handled. + * + * User-mode registers count as a user access even for any + * potential system fault or CPU buglet. */ - if (in_atomic() || !mm) - goto bad_area_nosemaphore; -#else /* CONFIG_X86_64 */ - if (likely(regs->flags & X86_EFLAGS_IF)) + if (user_mode_vm(regs)) { + local_irq_enable(); + error_code |= PF_USER; + } else if (regs->flags & X86_EFLAGS_IF) local_irq_enable(); +#ifdef CONFIG_X86_64 if (unlikely(error_code & PF_RSVD)) pgtable_bad(address, regs, error_code); +#endif /* * If we're in an interrupt, have no user context or are running in an @@ -671,14 +670,7 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) if (unlikely(in_atomic() || !mm)) goto bad_area_nosemaphore; - /* - * User-mode registers count as a user access even for any - * potential system fault or CPU buglet. - */ - if (user_mode_vm(regs)) - error_code |= PF_USER; again: -#endif /* When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the * kernel and should generate an OOPS. Unfortunately, in the case of an -- GitLab From 92ae954046b1434c8c11468893ed27c7c06f2c21 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Thu, 2 Oct 2008 03:58:08 -0500 Subject: [PATCH 4301/6244] powerpc/85xx: Wire up RTC interrupt on MPC8536DS Add interrupt info to the MPC8536DS .dts for the RTC Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc8536ds.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts index 1505d6855eff..93fdd99901b6 100644 --- a/arch/powerpc/boot/dts/mpc8536ds.dts +++ b/arch/powerpc/boot/dts/mpc8536ds.dts @@ -91,6 +91,8 @@ rtc@68 { compatible = "dallas,ds3232"; reg = <0x68>; + interrupts = <0 0x1>; + interrupt-parent = <&mpic>; }; }; -- GitLab From 3a470247913e6537c453937720b61f4ecc3e39db Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Wed, 1 Oct 2008 09:32:39 +0100 Subject: [PATCH 4302/6244] powerpc: GE Fanuc's FPGA based PIC controller on the SBC610 Support for the SBC610 VPX Single Board Computer from GE Fanuc (PowerPC MPC8641D). A number of MPC8641D based route interrupts for on-board interrupts through a FPGA based interrupt controller, which is chained with the MPC8641D's mpic. This patch provides a basic driver to allow basic routing of interrupts to the mpic. Signed-off-by: Martyn Welch Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/gef_sbc610.dts | 37 +++- arch/powerpc/platforms/86xx/Makefile | 2 +- arch/powerpc/platforms/86xx/gef_pic.c | 258 +++++++++++++++++++++++ arch/powerpc/platforms/86xx/gef_pic.h | 11 + arch/powerpc/platforms/86xx/gef_sbc610.c | 25 ++- 5 files changed, 327 insertions(+), 6 deletions(-) create mode 100644 arch/powerpc/platforms/86xx/gef_pic.c create mode 100644 arch/powerpc/platforms/86xx/gef_pic.h diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts index 80b79e4adc78..771a776d6101 100644 --- a/arch/powerpc/boot/dts/gef_sbc610.dts +++ b/arch/powerpc/boot/dts/gef_sbc610.dts @@ -67,6 +67,35 @@ reg = <0x0 0x40000000>; // set by uboot }; + localbus@fef05000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,mpc8641-localbus", "simple-bus"; + reg = <0xf8005000 0x1000>; + interrupts = <19 2>; + interrupt-parent = <&mpic>; + + ranges = <0 0 0xff000000 0x01000000 // 16MB Boot flash + 1 0 0xe8000000 0x08000000 // Paged Flash 0 + 2 0 0xe0000000 0x08000000 // Paged Flash 1 + 3 0 0xfc100000 0x00020000 // NVRAM + 4 0 0xfc000000 0x00008000 // FPGA + 5 0 0xfc008000 0x00008000 // AFIX FPGA + 6 0 0xfd000000 0x00800000 // IO FPGA (8-bit) + 7 0 0xfd800000 0x00800000>; // IO FPGA (32-bit) + + gef_pic: pic@4,4000 { + #interrupt-cells = <1>; + interrupt-controller; + compatible = "gef,fpga-pic"; + reg = <0x4 0x4000 0x20>; + interrupts = <0x8 + 0x9>; + interrupt-parent = <&mpic>; + + }; + }; + soc@fef00000 { #address-cells = <1>; #size-cells = <1>; @@ -150,13 +179,13 @@ reg = <0x24520 0x20>; phy0: ethernet-phy@0 { - interrupt-parent = <&mpic>; - interrupts = <0x0 0x1>; + interrupt-parent = <&gef_pic>; + interrupts = <0x9 0x4>; reg = <1>; }; phy2: ethernet-phy@2 { - interrupt-parent = <&mpic>; - interrupts = <0x0 0x1>; + interrupt-parent = <&gef_pic>; + interrupts = <0x8 0x4>; reg = <3>; }; }; diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile index cb9fc8f4360b..4a56ff619afd 100644 --- a/arch/powerpc/platforms/86xx/Makefile +++ b/arch/powerpc/platforms/86xx/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o obj-$(CONFIG_SBC8641D) += sbc8641d.o obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o -obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o +obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o gef_pic.o diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c new file mode 100644 index 000000000000..50d0a2b63809 --- /dev/null +++ b/arch/powerpc/platforms/86xx/gef_pic.c @@ -0,0 +1,258 @@ +/* + * Interrupt handling for GE Fanuc's FPGA based PIC + * + * Author: Martyn Welch + * + * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "gef_pic.h" + +#define DEBUG +#undef DEBUG + +#ifdef DEBUG +#define DBG(fmt...) do { printk(KERN_DEBUG "gef_pic: " fmt); } while (0) +#else +#define DBG(fmt...) do { } while (0) +#endif + +#define GEF_PIC_NUM_IRQS 32 + +/* Interrupt Controller Interface Registers */ +#define GEF_PIC_INTR_STATUS 0x0000 + +#define GEF_PIC_INTR_MASK(cpu) (0x0010 + (0x4 * cpu)) +#define GEF_PIC_CPU0_INTR_MASK GEF_PIC_INTR_MASK(0) +#define GEF_PIC_CPU1_INTR_MASK GEF_PIC_INTR_MASK(1) + +#define GEF_PIC_MCP_MASK(cpu) (0x0018 + (0x4 * cpu)) +#define GEF_PIC_CPU0_MCP_MASK GEF_PIC_MCP_MASK(0) +#define GEF_PIC_CPU1_MCP_MASK GEF_PIC_MCP_MASK(1) + +#define gef_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq) + + +static DEFINE_SPINLOCK(gef_pic_lock); + +static void __iomem *gef_pic_irq_reg_base; +static struct irq_host *gef_pic_irq_host; +static int gef_pic_cascade_irq; + +/* + * Interrupt Controller Handling + * + * The interrupt controller handles interrupts for most on board interrupts, + * apart from PCI interrupts. For example on SBC610: + * + * 17:31 RO Reserved + * 16 RO PCI Express Doorbell 3 Status + * 15 RO PCI Express Doorbell 2 Status + * 14 RO PCI Express Doorbell 1 Status + * 13 RO PCI Express Doorbell 0 Status + * 12 RO Real Time Clock Interrupt Status + * 11 RO Temperature Interrupt Status + * 10 RO Temperature Critical Interrupt Status + * 9 RO Ethernet PHY1 Interrupt Status + * 8 RO Ethernet PHY3 Interrupt Status + * 7 RO PEX8548 Interrupt Status + * 6 RO Reserved + * 5 RO Watchdog 0 Interrupt Status + * 4 RO Watchdog 1 Interrupt Status + * 3 RO AXIS Message FIFO A Interrupt Status + * 2 RO AXIS Message FIFO B Interrupt Status + * 1 RO AXIS Message FIFO C Interrupt Status + * 0 RO AXIS Message FIFO D Interrupt Status + * + * Interrupts can be forwarded to one of two output lines. Nothing + * clever is done, so if the masks are incorrectly set, a single input + * interrupt could generate interrupts on both output lines! + * + * The dual lines are there to allow the chained interrupts to be easily + * passed into two different cores. We currently do not use this functionality + * in this driver. + * + * Controller can also be configured to generate Machine checks (MCP), again on + * two lines, to be attached to two different cores. It is suggested that these + * should be masked out. + */ + +void gef_pic_cascade(unsigned int irq, struct irq_desc *desc) +{ + unsigned int cascade_irq; + + /* + * See if we actually have an interrupt, call generic handling code if + * we do. + */ + cascade_irq = gef_pic_get_irq(); + + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq); + + desc->chip->eoi(irq); + +} + +static void gef_pic_mask(unsigned int virq) +{ + unsigned long flags; + unsigned int hwirq; + u32 mask; + + hwirq = gef_irq_to_hw(virq); + + spin_lock_irqsave(&gef_pic_lock, flags); + mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0)); + mask &= ~(1 << hwirq); + out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask); + spin_unlock_irqrestore(&gef_pic_lock, flags); +} + +static void gef_pic_mask_ack(unsigned int virq) +{ + /* Don't think we actually have to do anything to ack an interrupt, + * we just need to clear down the devices interrupt and it will go away + */ + gef_pic_mask(virq); +} + +static void gef_pic_unmask(unsigned int virq) +{ + unsigned long flags; + unsigned int hwirq; + u32 mask; + + hwirq = gef_irq_to_hw(virq); + + spin_lock_irqsave(&gef_pic_lock, flags); + mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0)); + mask |= (1 << hwirq); + out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask); + spin_unlock_irqrestore(&gef_pic_lock, flags); +} + +static struct irq_chip gef_pic_chip = { + .typename = "gefp", + .mask = gef_pic_mask, + .mask_ack = gef_pic_mask_ack, + .unmask = gef_pic_unmask, +}; + + +/* When an interrupt is being configured, this call allows some flexibilty + * in deciding which irq_chip structure is used + */ +static int gef_pic_host_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hwirq) +{ + /* All interrupts are LEVEL sensitive */ + get_irq_desc(virq)->status |= IRQ_LEVEL; + set_irq_chip_and_handler(virq, &gef_pic_chip, handle_level_irq); + + return 0; +} + +static int gef_pic_host_xlate(struct irq_host *h, struct device_node *ct, + u32 *intspec, unsigned int intsize, + irq_hw_number_t *out_hwirq, unsigned int *out_flags) +{ + + *out_hwirq = intspec[0]; + if (intsize > 1) + *out_flags = intspec[1]; + else + *out_flags = IRQ_TYPE_LEVEL_HIGH; + + return 0; +} + +static struct irq_host_ops gef_pic_host_ops = { + .map = gef_pic_host_map, + .xlate = gef_pic_host_xlate, +}; + + +/* + * Initialisation of PIC, this should be called in BSP + */ +void __init gef_pic_init(struct device_node *np) +{ + unsigned long flags; + + /* Map the devices registers into memory */ + gef_pic_irq_reg_base = of_iomap(np, 0); + + spin_lock_irqsave(&gef_pic_lock, flags); + + /* Initialise everything as masked. */ + out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0); + out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_INTR_MASK, 0); + + out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0); + out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0); + + spin_unlock_irqrestore(&gef_pic_lock, flags); + + /* Map controller */ + gef_pic_cascade_irq = irq_of_parse_and_map(np, 0); + if (gef_pic_cascade_irq == NO_IRQ) { + printk(KERN_ERR "SBC610: failed to map cascade interrupt"); + return; + } + + /* Setup an irq_host structure */ + gef_pic_irq_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, + GEF_PIC_NUM_IRQS, + &gef_pic_host_ops, NO_IRQ); + if (gef_pic_irq_host == NULL) + return; + + /* Chain with parent controller */ + set_irq_chained_handler(gef_pic_cascade_irq, gef_pic_cascade); +} + +/* + * This is called when we receive an interrupt with apparently comes from this + * chip - check, returning the highest interrupt generated or return NO_IRQ + */ +unsigned int gef_pic_get_irq(void) +{ + u32 cause, mask, active; + unsigned int virq = NO_IRQ; + int hwirq; + + cause = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_STATUS); + + mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0)); + + active = cause & mask; + + if (active) { + for (hwirq = GEF_PIC_NUM_IRQS - 1; hwirq > -1; hwirq--) { + if (active & (0x1 << hwirq)) + break; + } + virq = irq_linear_revmap(gef_pic_irq_host, + (irq_hw_number_t)hwirq); + } + + return virq; +} + diff --git a/arch/powerpc/platforms/86xx/gef_pic.h b/arch/powerpc/platforms/86xx/gef_pic.h new file mode 100644 index 000000000000..6149916da3f4 --- /dev/null +++ b/arch/powerpc/platforms/86xx/gef_pic.h @@ -0,0 +1,11 @@ +#ifndef __GEF_PIC_H__ +#define __GEF_PIC_H__ + +#include + +void gef_pic_cascade(unsigned int, struct irq_desc *); +unsigned int gef_pic_get_irq(void); +void gef_pic_init(struct device_node *); + +#endif /* __GEF_PIC_H__ */ + diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c index ee215002b1cf..3873c2018cc3 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc610.c +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c @@ -39,6 +39,7 @@ #include #include "mpc86xx.h" +#include "gef_pic.h" #undef DEBUG @@ -48,6 +49,28 @@ #define DBG (fmt...) do { } while (0) #endif +void __iomem *sbc610_regs; + +static void __init gef_sbc610_init_irq(void) +{ + struct device_node *cascade_node = NULL; + + mpc86xx_init_irq(); + + /* + * There is a simple interrupt handler in the main FPGA, this needs + * to be cascaded into the MPIC + */ + cascade_node = of_find_compatible_node(NULL, NULL, "gef,fpga-pic"); + if (!cascade_node) { + printk(KERN_WARNING "SBC610: No FPGA PIC\n"); + return; + } + + gef_pic_init(cascade_node); + of_node_put(cascade_node); +} + static void __init gef_sbc610_setup_arch(void) { #ifdef CONFIG_PCI @@ -145,7 +168,7 @@ define_machine(gef_sbc610) { .name = "GE Fanuc SBC610", .probe = gef_sbc610_probe, .setup_arch = gef_sbc610_setup_arch, - .init_IRQ = mpc86xx_init_irq, + .init_IRQ = gef_sbc610_init_irq, .show_cpuinfo = gef_sbc610_show_cpuinfo, .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, -- GitLab From 4e330bcf6b323fcff0e3224c5db77cbcca83a878 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 3 Oct 2008 11:14:10 -0500 Subject: [PATCH 4303/6244] powerpc: make Freescale QE support a selectable Kconfig option Modify the Kconfig so that Freescale QUICC Engine (QE) support is a selectable option, thereby allowing users to compile kernels without any QE support. The drawback is that QE support is now disabled by default on platforms that have a QE, and so a defconfig is needed to enable QE and QE devices (like UCC GETH). Fortunately, all the current relevant defconfigs do that already. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- arch/powerpc/platforms/83xx/Kconfig | 5 ----- arch/powerpc/platforms/85xx/Kconfig | 1 - arch/powerpc/platforms/Kconfig | 3 ++- 3 files changed, 2 insertions(+), 7 deletions(-) diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 6159c5d4e5f1..83c664afc897 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -19,7 +19,6 @@ config MPC831x_RDB config MPC832x_MDS bool "Freescale MPC832x MDS" select DEFAULT_UIMAGE - select QUICC_ENGINE select PPC_MPC832x help This option enables support for the MPC832x MDS evaluation board. @@ -27,7 +26,6 @@ config MPC832x_MDS config MPC832x_RDB bool "Freescale MPC832x RDB" select DEFAULT_UIMAGE - select QUICC_ENGINE select PPC_MPC832x help This option enables support for the MPC8323 RDB board. @@ -57,15 +55,12 @@ config MPC834x_ITX config MPC836x_MDS bool "Freescale MPC836x MDS" select DEFAULT_UIMAGE - select QUICC_ENGINE help This option enables support for the MPC836x MDS Processor Board. config MPC836x_RDK bool "Freescale/Logic MPC836x RDK" select DEFAULT_UIMAGE - select QUICC_ENGINE - select QE_GPIO select FSL_GTM select FSL_LBC help diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 291675b0097a..b79dc710ed34 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -33,7 +33,6 @@ config MPC85xx_CDS config MPC85xx_MDS bool "Freescale MPC85xx MDS" select DEFAULT_UIMAGE - select QUICC_ENGINE select PHYLIB help This option enables support for the MPC85xx MDS board diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 9578c45b04fe..6cf517f5fba6 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -239,7 +239,8 @@ config TAU_AVERAGE If in doubt, say N here. config QUICC_ENGINE - bool + bool "Freescale QUICC Engine (QE) Support" + depends on FSL_SOC select PPC_LIB_RHEAP select CRC32 help -- GitLab From 5c091193e4a12e88930a0bb3ed3632c51e926a76 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Fri, 3 Oct 2008 23:40:36 +0400 Subject: [PATCH 4304/6244] powerpc/QE: move QE_GPIO Kconfig symbol into the platforms/Kconfig Specifying user-selectable option in the qe_lib/Kconfig was a bad idea because the qe_lib/Kconfig is included into the top level Kconfig, and thus the QE_GPIO option appears at the top level menu. This patch effectively moves the QE_GPIO option under the platform menu instead. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/platforms/Kconfig | 9 +++++++++ arch/powerpc/sysdev/qe_lib/Kconfig | 9 --------- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 6cf517f5fba6..47e956c871fe 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -249,6 +249,15 @@ config QUICC_ENGINE Selecting this option means that you wish to build a kernel for a machine with a QE coprocessor. +config QE_GPIO + bool "QE GPIO support" + depends on QUICC_ENGINE + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + Say Y here if you're going to use hardware that connects to the + QE GPIOs. + config CPM2 bool "Enable support for the CPM2 (Communications Processor Module)" depends on MPC85xx || 8260 diff --git a/arch/powerpc/sysdev/qe_lib/Kconfig b/arch/powerpc/sysdev/qe_lib/Kconfig index 1ce546462be5..76ffbc48d4b9 100644 --- a/arch/powerpc/sysdev/qe_lib/Kconfig +++ b/arch/powerpc/sysdev/qe_lib/Kconfig @@ -24,12 +24,3 @@ config QE_USB bool help QE USB Host Controller support - -config QE_GPIO - bool "QE GPIO support" - depends on QUICC_ENGINE - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - help - Say Y here if you're going to use hardware that connects to the - QE GPIOs. -- GitLab From 62666828bae7057835d982367e98716a1bd0fd40 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Mon, 6 Oct 2008 21:08:39 +0400 Subject: [PATCH 4305/6244] powerpc/83xx: don't probe broken PCI on mpc837x_mds boards In the standalone setup the board's CPLD disables the PCI internal arbiter, thus any access to the PCI bus will hang the board. The common way to disable particular devices in the device tree is to put the "status" property with any value other than "ok" or "okay" into the device node we want to disable. So, when there is no PCI arbiter on the bus the u-boot adds status = "broken (no arbiter)" property into the PCI controller's node, and so marks the PCI controller as unavailable. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/platforms/83xx/mpc837x_mds.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c index be62de23bead..8bb13c807142 100644 --- a/arch/powerpc/platforms/83xx/mpc837x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c @@ -85,8 +85,14 @@ static void __init mpc837x_mds_setup_arch(void) ppc_md.progress("mpc837x_mds_setup_arch()", 0); #ifdef CONFIG_PCI - for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") { + if (!of_device_is_available(np)) { + pr_warning("%s: disabled by the firmware.\n", + np->full_name); + continue; + } mpc83xx_add_bridge(np); + } #endif mpc837xmds_usb_cfg(); } -- GitLab From 4a015c37409ead893b659c2f89f1aa1fdf512115 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Tue, 7 Oct 2008 13:00:20 -0600 Subject: [PATCH 4306/6244] powerpc/fsl: Hide MPC5121 pci bridge. The class of the MPC5121 pci host bridge is PCI_CLASS_BRIDGE_OTHER while other freescale host bridges have class set to PCI_CLASS_PROCESSOR_POWERPC. This patch makes fixup_hide_host_resource_fsl match PCI_CLASS_BRIDGE_OTHER in addition to PCI_CLASS_PROCESSOR_POWERPC. Signed-off-by: John Rigby Signed-off-by: Kumar Gala --- arch/powerpc/kernel/pci_32.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 174b77ee18ff..a848c6360bd1 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -54,11 +54,12 @@ LIST_HEAD(hose_list); static int pci_bus_count; static void -fixup_hide_host_resource_fsl(struct pci_dev* dev) +fixup_hide_host_resource_fsl(struct pci_dev *dev) { int i, class = dev->class >> 8; - if ((class == PCI_CLASS_PROCESSOR_POWERPC) && + if ((class == PCI_CLASS_PROCESSOR_POWERPC || + class == PCI_CLASS_BRIDGE_OTHER) && (dev->hdr_type == PCI_HEADER_TYPE_NORMAL) && (dev->bus->parent == NULL)) { for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { -- GitLab From 5b70a097052fff3831d8b94541452e7c29426777 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Tue, 7 Oct 2008 13:00:18 -0600 Subject: [PATCH 4307/6244] powerpc: 83xx: pci: Remove need for get_immrbase from mpc83xx_add_bridge. Modify mpc83xx_add_bridge to get config space register base address from the device tree instead of immr + hardcoded offset. 83xx pci nodes have this change: register properties now contain two address length tuples: First is the pci bridge register base, this has always been there. Second is the config base, this is new. This is documented in dts-bindings/fsl/83xx-512x-pci.txt The changes accomplish these things: mpc83xx_add_bridge no longer needs to call get_immrbase it uses hard coded addresses if the second register value is missing Signed-off-by: John Rigby Signed-off-by: Kumar Gala --- .../dts-bindings/fsl/83xx-512x-pci.txt | 40 ++++++++++++++ arch/powerpc/boot/dts/mpc8313erdb.dts | 3 +- arch/powerpc/boot/dts/mpc8315erdb.dts | 3 +- arch/powerpc/boot/dts/mpc832x_mds.dts | 3 +- arch/powerpc/boot/dts/mpc832x_rdb.dts | 3 +- arch/powerpc/boot/dts/mpc8349emitx.dts | 6 ++- arch/powerpc/boot/dts/mpc8349emitxgp.dts | 3 +- arch/powerpc/boot/dts/mpc834x_mds.dts | 6 ++- arch/powerpc/boot/dts/mpc836x_mds.dts | 3 +- arch/powerpc/boot/dts/mpc836x_rdk.dts | 3 +- arch/powerpc/boot/dts/mpc8377_mds.dts | 3 +- arch/powerpc/boot/dts/mpc8377_rdb.dts | 3 +- arch/powerpc/boot/dts/mpc8378_mds.dts | 3 +- arch/powerpc/boot/dts/mpc8378_rdb.dts | 3 +- arch/powerpc/boot/dts/mpc8379_mds.dts | 3 +- arch/powerpc/boot/dts/mpc8379_rdb.dts | 3 +- arch/powerpc/boot/dts/sbc8349.dts | 3 +- arch/powerpc/sysdev/fsl_pci.c | 54 ++++++++++++------- 18 files changed, 111 insertions(+), 37 deletions(-) create mode 100644 Documentation/powerpc/dts-bindings/fsl/83xx-512x-pci.txt diff --git a/Documentation/powerpc/dts-bindings/fsl/83xx-512x-pci.txt b/Documentation/powerpc/dts-bindings/fsl/83xx-512x-pci.txt new file mode 100644 index 000000000000..35a465362408 --- /dev/null +++ b/Documentation/powerpc/dts-bindings/fsl/83xx-512x-pci.txt @@ -0,0 +1,40 @@ +* Freescale 83xx and 512x PCI bridges + +Freescale 83xx and 512x SOCs include the same pci bridge core. + +83xx/512x specific notes: +- reg: should contain two address length tuples + The first is for the internal pci bridge registers + The second is for the pci config space access registers + +Example (MPC8313ERDB) + pci0: pci@e0008500 { + cell-index = <1>; + interrupt-map-mask = <0xf800 0x0 0x0 0x7>; + interrupt-map = < + /* IDSEL 0x0E -mini PCI */ + 0x7000 0x0 0x0 0x1 &ipic 18 0x8 + 0x7000 0x0 0x0 0x2 &ipic 18 0x8 + 0x7000 0x0 0x0 0x3 &ipic 18 0x8 + 0x7000 0x0 0x0 0x4 &ipic 18 0x8 + + /* IDSEL 0x0F - PCI slot */ + 0x7800 0x0 0x0 0x1 &ipic 17 0x8 + 0x7800 0x0 0x0 0x2 &ipic 18 0x8 + 0x7800 0x0 0x0 0x3 &ipic 17 0x8 + 0x7800 0x0 0x0 0x4 &ipic 18 0x8>; + interrupt-parent = <&ipic>; + interrupts = <66 0x8>; + bus-range = <0x0 0x0>; + ranges = <0x02000000 0x0 0x90000000 0x90000000 0x0 0x10000000 + 0x42000000 0x0 0x80000000 0x80000000 0x0 0x10000000 + 0x01000000 0x0 0x00000000 0xe2000000 0x0 0x00100000>; + clock-frequency = <66666666>; + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ + compatible = "fsl,mpc8349-pci"; + device_type = "pci"; + }; diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 539085591e04..747f27676332 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -363,7 +363,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index 94c9b4107a1d..7449e54c1a90 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts @@ -318,7 +318,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index 015808ae1026..e4cc1768f241 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -423,7 +423,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index b5b0ec2eb88f..226ff066652b 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -331,7 +331,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index 1327a61d0538..5cedf373a1d8 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -254,7 +254,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; @@ -280,7 +281,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008600 0x100>; + reg = <0xe0008600 0x100 /* internal registers */ + 0xe0008380 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts index f70d3a0a6eb9..81ae1d3e9440 100644 --- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts +++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts @@ -228,7 +228,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008600 0x100>; + reg = <0xe0008600 0x100 /* internal registers */ + 0xe0008380 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index e29739eee35e..04bfde3ea605 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -315,7 +315,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; @@ -376,7 +377,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008600 0x100>; + reg = <0xe0008600 0x100 /* internal registers */ + 0xe0008380 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 49aec71916e5..66a12d2631fb 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -426,7 +426,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts index 69c9bd2acd82..f747747e5318 100644 --- a/arch/powerpc/boot/dts/mpc836x_rdk.dts +++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts @@ -409,7 +409,8 @@ #interrupt-cells = <1>; device_type = "pci"; compatible = "fsl,mpc8360-pci", "fsl,mpc8349-pci"; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ ranges = <0x02000000 0 0x90000000 0x90000000 0 0x10000000 0x42000000 0 0x80000000 0x80000000 0 0x10000000 0x01000000 0 0xe0300000 0xe0300000 0 0x00100000>; diff --git a/arch/powerpc/boot/dts/mpc8377_mds.dts b/arch/powerpc/boot/dts/mpc8377_mds.dts index 78f0f1124ffb..87314c78b47b 100644 --- a/arch/powerpc/boot/dts/mpc8377_mds.dts +++ b/arch/powerpc/boot/dts/mpc8377_mds.dts @@ -378,7 +378,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts b/arch/powerpc/boot/dts/mpc8377_rdb.dts index d46327e8cb67..53191ba67aaa 100644 --- a/arch/powerpc/boot/dts/mpc8377_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts @@ -319,7 +319,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8378_mds.dts b/arch/powerpc/boot/dts/mpc8378_mds.dts index c44f30f2f086..02941919598f 100644 --- a/arch/powerpc/boot/dts/mpc8378_mds.dts +++ b/arch/powerpc/boot/dts/mpc8378_mds.dts @@ -364,7 +364,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts b/arch/powerpc/boot/dts/mpc8378_rdb.dts index b3e3bd7d550d..4a09153d160c 100644 --- a/arch/powerpc/boot/dts/mpc8378_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts @@ -305,7 +305,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8379_mds.dts b/arch/powerpc/boot/dts/mpc8379_mds.dts index 653ed47c9a37..13a231144dcc 100644 --- a/arch/powerpc/boot/dts/mpc8379_mds.dts +++ b/arch/powerpc/boot/dts/mpc8379_mds.dts @@ -392,7 +392,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/mpc8379_rdb.dts b/arch/powerpc/boot/dts/mpc8379_rdb.dts index 123c8df6f4f0..bbd884ac9dc0 100644 --- a/arch/powerpc/boot/dts/mpc8379_rdb.dts +++ b/arch/powerpc/boot/dts/mpc8379_rdb.dts @@ -333,7 +333,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/boot/dts/sbc8349.dts b/arch/powerpc/boot/dts/sbc8349.dts index c7f411f7a9a2..0f941f310e44 100644 --- a/arch/powerpc/boot/dts/sbc8349.dts +++ b/arch/powerpc/boot/dts/sbc8349.dts @@ -272,7 +272,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0xe0008500 0x100>; + reg = <0xe0008500 0x100 /* internal registers */ + 0xe0008300 0x8>; /* config space access registers */ compatible = "fsl,mpc8349-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 61e6d77efa4f..a3f4abadbade 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -1,7 +1,7 @@ /* - * MPC85xx/86xx PCI/PCIE support routing. + * MPC83xx/85xx/86xx PCI/PCIE support routing. * - * Copyright 2007 Freescale Semiconductor, Inc + * Copyright 2007,2008 Freescale Semiconductor, Inc * * Initial author: Xianghua Xiao * Recode: ZHANG WEI @@ -256,15 +256,42 @@ int __init mpc83xx_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; - struct resource rsrc; + struct resource rsrc_reg; + struct resource rsrc_cfg; const int *bus_range; - int primary = 1, has_address = 0; - phys_addr_t immr = get_immrbase(); + int primary; pr_debug("Adding PCI host bridge %s\n", dev->full_name); /* Fetch host bridge registers address */ - has_address = (of_address_to_resource(dev, 0, &rsrc) == 0); + if (of_address_to_resource(dev, 0, &rsrc_reg)) { + printk(KERN_WARNING "Can't get pci register base!\n"); + return -ENOMEM; + } + + memset(&rsrc_cfg, 0, sizeof(rsrc_cfg)); + + if (of_address_to_resource(dev, 1, &rsrc_cfg)) { + printk(KERN_WARNING + "No pci config register base in dev tree, " + "using default\n"); + /* + * MPC83xx supports up to two host controllers + * one at 0x8500 has config space registers at 0x8300 + * one at 0x8600 has config space registers at 0x8380 + */ + if ((rsrc_reg.start & 0xfffff) == 0x8500) + rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8300; + else if ((rsrc_reg.start & 0xfffff) == 0x8600) + rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8380; + } + /* + * Controller at offset 0x8500 is primary + */ + if ((rsrc_reg.start & 0xfffff) == 0x8500) + primary = 1; + else + primary = 0; /* Get bus range if any */ bus_range = of_get_property(dev, "bus-range", &len); @@ -281,22 +308,11 @@ int __init mpc83xx_add_bridge(struct device_node *dev) hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; - /* MPC83xx supports up to two host controllers one at 0x8500 from immrbar - * the other at 0x8600, we consider the 0x8500 the primary controller - */ - /* PCI 1 */ - if ((rsrc.start & 0xfffff) == 0x8500) { - setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0); - } - /* PCI 2 */ - if ((rsrc.start & 0xfffff) == 0x8600) { - setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0); - primary = 0; - } + setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 4, 0); printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. " "Firmware bus number: %d->%d\n", - (unsigned long long)rsrc.start, hose->first_busno, + (unsigned long long)rsrc_reg.start, hose->first_busno, hose->last_busno); pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n", -- GitLab From 35225802e2e7019392fbff9227662d456eef4e24 Mon Sep 17 00:00:00 2001 From: John Rigby Date: Tue, 7 Oct 2008 15:13:18 -0600 Subject: [PATCH 4308/6244] powerpc/5121: Add PCI support. Uses mpc83xx_add_bridge in fsl_pci.c Adds second register tuple to pci node register property as done for 83xx device trees in a previous patch. Signed-off-by: John Rigby Acked-by: Grant Likely Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc5121ads.dts | 3 ++- arch/powerpc/platforms/512x/Kconfig | 2 ++ arch/powerpc/platforms/512x/mpc5121_ads.c | 10 ++++++++++ arch/powerpc/sysdev/fsl_pci.c | 4 ++-- 4 files changed, 16 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/boot/dts/mpc5121ads.dts b/arch/powerpc/boot/dts/mpc5121ads.dts index 1f9036c317b4..c2b8dbfab79e 100644 --- a/arch/powerpc/boot/dts/mpc5121ads.dts +++ b/arch/powerpc/boot/dts/mpc5121ads.dts @@ -403,7 +403,8 @@ #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; - reg = <0x80008500 0x100>; + reg = <0x80008500 0x100 /* internal registers */ + 0x80008300 0x8>; /* config space access registers */ compatible = "fsl,mpc5121-pci"; device_type = "pci"; }; diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig index c62f893ede19..326852c78b8f 100644 --- a/arch/powerpc/platforms/512x/Kconfig +++ b/arch/powerpc/platforms/512x/Kconfig @@ -3,6 +3,8 @@ config PPC_MPC512x select FSL_SOC select IPIC select PPC_CLOCK + select PPC_PCI_CHOICE + select FSL_PCI if PCI config PPC_MPC5121 bool diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c index 5ebf6939a697..441abc488851 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads.c @@ -22,16 +22,26 @@ #include #include +#include + #include "mpc512x.h" #include "mpc5121_ads.h" static void __init mpc5121_ads_setup_arch(void) { +#ifdef CONFIG_PCI + struct device_node *np; +#endif printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); /* * cpld regs are needed early */ mpc5121_ads_cpld_map(); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc5121-pci") + mpc83xx_add_bridge(np); +#endif } static void __init mpc5121_ads_init_IRQ(void) diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index a3f4abadbade..5b264eb4b1f7 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -251,7 +251,7 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header); DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header); #endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */ -#if defined(CONFIG_PPC_83xx) +#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x) int __init mpc83xx_add_bridge(struct device_node *dev) { int len; @@ -310,7 +310,7 @@ int __init mpc83xx_add_bridge(struct device_node *dev) setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 4, 0); - printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. " + printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. " "Firmware bus number: %d->%d\n", (unsigned long long)rsrc_reg.start, hose->first_busno, hose->last_busno); -- GitLab From 9bd54d185ab6c73f0cbd97b9f048394a3462193b Mon Sep 17 00:00:00 2001 From: Milton Miller Date: Fri, 10 Oct 2008 06:56:52 -0500 Subject: [PATCH 4309/6244] powerpc: remove non-dependent load fsl_booke PTE_64BIT b38fd42ff46a4a31dced8533e8a6e549693500b6 added false dependencys to order the load of upper and lower halfs of the pte, but only adjusted whitespace instead of deleting the old load in the iside handler, letting the hardware see the non-dependent load. This patch removes the extra load. Signed-off-by: Milton Miller Signed-off-by: Kumar Gala --- arch/powerpc/kernel/head_fsl_booke.S | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 18c0093f9323..590304c24dad 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -656,10 +656,6 @@ interrupt_base: bne 2f /* Bail if permission mismach */ -#ifdef CONFIG_PTE_64BIT - lwz r13,0(r12) -#endif - /* Jump to common TLB load point */ b finish_tlb_load -- GitLab From 43c9f434922ff834a6589709714f83a78c399bc1 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Tue, 23 Sep 2008 09:47:01 -0500 Subject: [PATCH 4310/6244] powerpc: remove support for bootmem-allocated memory for the DIU driver Early versions of the Freescale DIU framebuffer driver depended on a bootmem allocation of memory for the video buffer. The need for this feature was removed in commit 6b51d51a, so now we can remove the platform-specific code that allocated that memory. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 1 - arch/powerpc/sysdev/fsl_soc.c | 38 +--------------------- arch/powerpc/sysdev/fsl_soc.h | 8 ----- 3 files changed, 1 insertion(+), 46 deletions(-) diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c index 5eedb710896e..e8d54ac5292c 100644 --- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c +++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c @@ -238,7 +238,6 @@ static void __init mpc86xx_hpcd_setup_arch(void) } #endif #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) - preallocate_diu_videomemory(); diu_ops.get_pixel_format = mpc8610hpcd_get_pixel_format; diu_ops.set_gamma_table = mpc8610hpcd_set_gamma_table; diu_ops.set_monitor_port = mpc8610hpcd_set_monitor_port; diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index eeb07007c753..01b884b25696 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -720,42 +720,6 @@ void fsl_rstcr_restart(char *cmd) #endif #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) -struct platform_diu_data_ops diu_ops = { - .diu_size = 1280 * 1024 * 4, /* default one 1280x1024 buffer */ -}; +struct platform_diu_data_ops diu_ops; EXPORT_SYMBOL(diu_ops); - -int __init preallocate_diu_videomemory(void) -{ - pr_debug("diu_size=%lu\n", diu_ops.diu_size); - - diu_ops.diu_mem = __alloc_bootmem(diu_ops.diu_size, 8, 0); - if (!diu_ops.diu_mem) { - printk(KERN_ERR "fsl-diu: cannot allocate %lu bytes\n", - diu_ops.diu_size); - return -ENOMEM; - } - - pr_debug("diu_mem=%p\n", diu_ops.diu_mem); - - rh_init(&diu_ops.diu_rh_info, 4096, ARRAY_SIZE(diu_ops.diu_rh_block), - diu_ops.diu_rh_block); - return rh_attach_region(&diu_ops.diu_rh_info, - (unsigned long) diu_ops.diu_mem, - diu_ops.diu_size); -} - -static int __init early_parse_diufb(char *p) -{ - if (!p) - return 1; - - diu_ops.diu_size = _ALIGN_UP(memparse(p, &p), 8); - - pr_debug("diu_size=%lu\n", diu_ops.diu_size); - - return 0; -} -early_param("diufb", early_parse_diufb); - #endif diff --git a/arch/powerpc/sysdev/fsl_soc.h b/arch/powerpc/sysdev/fsl_soc.h index 024299887352..60f7f227327c 100644 --- a/arch/powerpc/sysdev/fsl_soc.h +++ b/arch/powerpc/sysdev/fsl_soc.h @@ -20,14 +20,7 @@ extern int fsl_spi_init(struct spi_board_info *board_infos, extern void fsl_rstcr_restart(char *cmd); #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) -#include -#include struct platform_diu_data_ops { - rh_block_t diu_rh_block[16]; - rh_info_t diu_rh_info; - unsigned long diu_size; - void *diu_mem; - unsigned int (*get_pixel_format) (unsigned int bits_per_pixel, int monitor_port); void (*set_gamma_table) (int monitor_port, char *gamma_table_base); @@ -38,7 +31,6 @@ struct platform_diu_data_ops { }; extern struct platform_diu_data_ops diu_ops; -int __init preallocate_diu_videomemory(void); #endif #endif -- GitLab From 8b77aeb4f52fca39e647159d87da3566f64ce30a Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Wed, 8 Oct 2008 22:16:05 +0400 Subject: [PATCH 4311/6244] powerpc/83xx: add DS1374 RTC support for the MPC837xE-MDS boards The RTC is sitting on the I2C1 bus at address 0x68. RTC interrupt signal is connected to the IPIC's EXT3 interrupt line. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc8377_mds.dts | 7 +++++++ arch/powerpc/boot/dts/mpc8378_mds.dts | 7 +++++++ arch/powerpc/boot/dts/mpc8379_mds.dts | 7 +++++++ 3 files changed, 21 insertions(+) diff --git a/arch/powerpc/boot/dts/mpc8377_mds.dts b/arch/powerpc/boot/dts/mpc8377_mds.dts index 87314c78b47b..0484561bd2c0 100644 --- a/arch/powerpc/boot/dts/mpc8377_mds.dts +++ b/arch/powerpc/boot/dts/mpc8377_mds.dts @@ -136,6 +136,13 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + interrupts = <19 0x8>; + interrupt-parent = <&ipic>; + }; }; i2c@3100 { diff --git a/arch/powerpc/boot/dts/mpc8378_mds.dts b/arch/powerpc/boot/dts/mpc8378_mds.dts index 02941919598f..67a08d2e2ff2 100644 --- a/arch/powerpc/boot/dts/mpc8378_mds.dts +++ b/arch/powerpc/boot/dts/mpc8378_mds.dts @@ -136,6 +136,13 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + interrupts = <19 0x8>; + interrupt-parent = <&ipic>; + }; }; i2c@3100 { diff --git a/arch/powerpc/boot/dts/mpc8379_mds.dts b/arch/powerpc/boot/dts/mpc8379_mds.dts index 13a231144dcc..323370a2b5ff 100644 --- a/arch/powerpc/boot/dts/mpc8379_mds.dts +++ b/arch/powerpc/boot/dts/mpc8379_mds.dts @@ -136,6 +136,13 @@ interrupts = <14 0x8>; interrupt-parent = <&ipic>; dfsrr; + + rtc@68 { + compatible = "dallas,ds1374"; + reg = <0x68>; + interrupts = <19 0x8>; + interrupt-parent = <&ipic>; + }; }; i2c@3100 { -- GitLab From 7e7385ce4115830bf5e0b43d62087a94871b78de Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Tue, 23 Sep 2008 18:12:19 +0400 Subject: [PATCH 4312/6244] OF: add fsl,mcu-mpc8349emitx to the exception list of/base.c matches on the first (most specific) entries, which isn't quite practical but it was discussed[1] that this won't change. The bindings specifies verbose information for the devices, but it doesn't fit in the I2C ID's 20 characters limit. The limit won't change[2], and the bindings won't change either as they're correct. So we have to put an exception for the MPC8349E-mITX-compatible MCUs. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- drivers/of/base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 4270eb4a26a1..7c79e94a35ea 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -410,7 +410,7 @@ struct of_modalias_table { char *modalias; }; static struct of_modalias_table of_modalias_table[] = { - /* Empty for now; add entries as needed */ + { "fsl,mcu-mpc8349emitx", "mcu-mpc8349emitx" }, }; /** -- GitLab From dbe216319f4e4b23a37eeb623c8338fa59ac050e Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 10 Oct 2008 10:35:50 -0500 Subject: [PATCH 4313/6244] powerpc: disable CHRP and PMAC support in various defconfigs Because CHRP and PMAC are by default enabled, several non-CHRP and non-PMAC PowerPC defconfigs will have these Kconfig options set erroneously. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- arch/powerpc/configs/83xx/asp8347_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc8313_rdb_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc8315_rdb_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc832x_mds_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc832x_rdb_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc834x_itx_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc834x_mds_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc836x_mds_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc836x_rdk_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc837x_mds_defconfig | 2 ++ arch/powerpc/configs/83xx/mpc837x_rdb_defconfig | 2 ++ arch/powerpc/configs/83xx/sbc834x_defconfig | 2 ++ arch/powerpc/configs/86xx/gef_sbc610_defconfig | 5 ++++- arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig | 2 ++ arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig | 2 ++ arch/powerpc/configs/86xx/sbc8641d_defconfig | 2 ++ arch/powerpc/configs/ep8248e_defconfig | 2 ++ arch/powerpc/configs/mpc8272_ads_defconfig | 2 ++ arch/powerpc/configs/mpc83xx_defconfig | 2 ++ arch/powerpc/configs/pq2fads_defconfig | 2 ++ 21 files changed, 44 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/configs/83xx/asp8347_defconfig b/arch/powerpc/configs/83xx/asp8347_defconfig index 6638f5a03a77..0b1fa20f745c 100644 --- a/arch/powerpc/configs/83xx/asp8347_defconfig +++ b/arch/powerpc/configs/83xx/asp8347_defconfig @@ -164,6 +164,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig index df125f30fae8..b7eae2bdf19c 100644 --- a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig index 6e0e08cf0b0d..b0a27a67d8c7 100644 --- a/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc832x_mds_defconfig b/arch/powerpc/configs/83xx/mpc832x_mds_defconfig index d6e204a7b26b..ad825bcddd1f 100644 --- a/arch/powerpc/configs/83xx/mpc832x_mds_defconfig +++ b/arch/powerpc/configs/83xx/mpc832x_mds_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig b/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig index 1f3d3434b29f..38267501f44d 100644 --- a/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc834x_itx_defconfig b/arch/powerpc/configs/83xx/mpc834x_itx_defconfig index 4686c2151d05..90aab340e7ff 100644 --- a/arch/powerpc/configs/83xx/mpc834x_itx_defconfig +++ b/arch/powerpc/configs/83xx/mpc834x_itx_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig b/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig index f11c25ecef76..7458a242d251 100644 --- a/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig +++ b/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc834x_mds_defconfig b/arch/powerpc/configs/83xx/mpc834x_mds_defconfig index ffe4b2ef9691..1a92798938cf 100644 --- a/arch/powerpc/configs/83xx/mpc834x_mds_defconfig +++ b/arch/powerpc/configs/83xx/mpc834x_mds_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig index 71445e31a304..03d8cede0272 100644 --- a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig +++ b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig @@ -163,6 +163,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig b/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig index 58486ccae461..cdf84177370a 100644 --- a/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig +++ b/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig @@ -164,6 +164,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc837x_mds_defconfig b/arch/powerpc/configs/83xx/mpc837x_mds_defconfig index 0171e2176454..97e02d7a5b09 100644 --- a/arch/powerpc/configs/83xx/mpc837x_mds_defconfig +++ b/arch/powerpc/configs/83xx/mpc837x_mds_defconfig @@ -164,6 +164,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig index d6b383bb3644..5ac33054ce2c 100644 --- a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig +++ b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig @@ -164,6 +164,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/83xx/sbc834x_defconfig b/arch/powerpc/configs/83xx/sbc834x_defconfig index b8dd17bf040e..c359cc2a380e 100644 --- a/arch/powerpc/configs/83xx/sbc834x_defconfig +++ b/arch/powerpc/configs/83xx/sbc834x_defconfig @@ -162,6 +162,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig index f589489449da..312d7afbbe44 100644 --- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig +++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig @@ -156,7 +156,10 @@ CONFIG_CLASSIC_RCU=y # # Platform support # -# CONFIG_PPC_MULTIPLATFORM is not set +CONFIG_PPC_MULTIPLATFORM=y +CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_PPC_82xx is not set # CONFIG_PPC_83xx is not set CONFIG_PPC_86xx=y diff --git a/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig b/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig index 14116a80c7cd..c98c6ee44492 100644 --- a/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig +++ b/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig @@ -165,6 +165,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig index 07e369d9e485..444ddf98436d 100644 --- a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig +++ b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig @@ -167,6 +167,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/86xx/sbc8641d_defconfig b/arch/powerpc/configs/86xx/sbc8641d_defconfig index 3326303d3765..d900f8f376cf 100644 --- a/arch/powerpc/configs/86xx/sbc8641d_defconfig +++ b/arch/powerpc/configs/86xx/sbc8641d_defconfig @@ -166,6 +166,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/ep8248e_defconfig b/arch/powerpc/configs/ep8248e_defconfig index a63cd05ef200..cd691f770810 100644 --- a/arch/powerpc/configs/ep8248e_defconfig +++ b/arch/powerpc/configs/ep8248e_defconfig @@ -150,6 +150,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/mpc8272_ads_defconfig b/arch/powerpc/configs/mpc8272_ads_defconfig index ddbca3e39ba4..ff6f7c475f47 100644 --- a/arch/powerpc/configs/mpc8272_ads_defconfig +++ b/arch/powerpc/configs/mpc8272_ads_defconfig @@ -151,6 +151,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/mpc83xx_defconfig b/arch/powerpc/configs/mpc83xx_defconfig index 994a4e7257f1..991c9bda12a9 100644 --- a/arch/powerpc/configs/mpc83xx_defconfig +++ b/arch/powerpc/configs/mpc83xx_defconfig @@ -166,6 +166,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set diff --git a/arch/powerpc/configs/pq2fads_defconfig b/arch/powerpc/configs/pq2fads_defconfig index e687cc0f2a95..7e17862c38b8 100644 --- a/arch/powerpc/configs/pq2fads_defconfig +++ b/arch/powerpc/configs/pq2fads_defconfig @@ -152,6 +152,8 @@ CONFIG_CLASSIC_RCU=y # CONFIG_PPC_MULTIPLATFORM=y CONFIG_CLASSIC32=y +# CONFIG_PPC_CHRP is not set +# CONFIG_PPC_PMAC is not set # CONFIG_MPC5121_ADS is not set # CONFIG_MPC5121_GENERIC is not set # CONFIG_PPC_MPC52xx is not set -- GitLab From b56c2768d28425783f895971854577f412ae486f Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 10 Oct 2008 11:52:31 -0500 Subject: [PATCH 4314/6244] powerpc: document the "fsl,ssi-dma-channel" compatible property The "fsl,ssi-dma-channel" compatible property is used to specify a DMA channel on the Freescale Elo DMA controller that should be used exclusively by the Freescale SSI audio controller. When a property is marked as such, the Elo DMA driver will ignore it, and so it will be available for the sound drivers. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- .../powerpc/dts-bindings/fsl/dma.txt | 13 ++++++++++-- .../powerpc/dts-bindings/fsl/ssi.txt | 20 +++++++++++++------ 2 files changed, 25 insertions(+), 8 deletions(-) diff --git a/Documentation/powerpc/dts-bindings/fsl/dma.txt b/Documentation/powerpc/dts-bindings/fsl/dma.txt index 86826df00e64..cc453110fc46 100644 --- a/Documentation/powerpc/dts-bindings/fsl/dma.txt +++ b/Documentation/powerpc/dts-bindings/fsl/dma.txt @@ -20,7 +20,7 @@ Required properties: - compatible : compatible list, contains 2 entries, first is "fsl,CHIP-dma-channel", where CHIP is the processor (mpc8349, mpc8350, etc.) and the second is - "fsl,elo-dma-channel" + "fsl,elo-dma-channel". However, see note below. - reg : - cell-index : dma channel index starts at 0. @@ -82,7 +82,7 @@ Required properties: - compatible : compatible list, contains 2 entries, first is "fsl,CHIP-dma-channel", where CHIP is the processor (mpc8540, mpc8560, etc.) and the second is - "fsl,eloplus-dma-channel" + "fsl,eloplus-dma-channel". However, see note below. - cell-index : dma channel index starts at 0. - reg : - interrupts : @@ -125,3 +125,12 @@ Example: interrupts = <17 2>; }; }; + +Note on DMA channel compatible properties: The compatible property must say +"fsl,elo-dma-channel" or "fsl,eloplus-dma-channel" to be used by the Elo DMA +driver (fsldma). Any DMA channel used by fsldma cannot be used by another +DMA driver, such as the SSI sound drivers for the MPC8610. Therefore, any DMA +channel that should be used for another driver should not use +"fsl,elo-dma-channel" or "fsl,eloplus-dma-channel". For the SSI drivers, for +example, the compatible property should be "fsl,ssi-dma-channel". See ssi.txt +for more information. diff --git a/Documentation/powerpc/dts-bindings/fsl/ssi.txt b/Documentation/powerpc/dts-bindings/fsl/ssi.txt index 5d9841303cae..a2d963998a65 100644 --- a/Documentation/powerpc/dts-bindings/fsl/ssi.txt +++ b/Documentation/powerpc/dts-bindings/fsl/ssi.txt @@ -24,12 +24,12 @@ Required properties: "rj-master" - r.j., SSI is clock master "ac97-slave" - AC97 mode, SSI is clock slave "ac97-master" - AC97 mode, SSI is clock master -- fsl,playback-dma: phandle to a DMA node for the DMA channel to use for - playback of audio. This is typically dictated by SOC - design. See the notes below. -- fsl,capture-dma: phandle to a DMA node for the DMA channel to use for - capture (recording) of audio. This is typically dictated - by SOC design. See the notes below. +- fsl,playback-dma: phandle to a node for the DMA channel to use for + playback of audio. This is typically dictated by SOC + design. See the notes below. +- fsl,capture-dma: phandle to a node for the DMA channel to use for + capture (recording) of audio. This is typically dictated + by SOC design. See the notes below. Optional properties: - codec-handle : phandle to a 'codec' node that defines an audio @@ -51,3 +51,11 @@ playback and DMA channel 1 for capture. SSI2 must use DMA channel 2 for playback and DMA channel 3 for capture. The developer can choose which DMA controller to use, but the channels themselves are hard-wired. The purpose of these two properties is to represent this hardware design. + +The device tree nodes for the DMA channels that are referenced by +"fsl,playback-dma" and "fsl,capture-dma" must be marked as compatible with +"fsl,ssi-dma-channel". The SOC-specific compatible string (e.g. +"fsl,mpc8610-dma-channel") can remain. If these nodes are left as +"fsl,elo-dma-channel" or "fsl,eloplus-dma-channel", then the generic Elo DMA +drivers (fsldma) will attempt to use them, and it will conflict with the +sound drivers. -- GitLab From 7de0c22bba1f6117c3447af2cdca9904303012da Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Fri, 10 Oct 2008 11:52:32 -0500 Subject: [PATCH 4315/6244] powerpc: reserve two DMA channels for audio in MPC8610 HPCD device tree The Freescale Elo DMA driver binds to all DMA channels in the device tree that are compatible with "fsl,eloplus-dma-channel". This conflicts with the sound drivers for the MPC8610 HPCD. On this board, the SSI uses two DMA channels and therefore those channels are not available for general purpose use. We change the compatible properties for these channels "fsl,ssi-dma-channel". This works because the sound drivers don't actually check the compatible property when it grabs channels. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc8610_hpcd.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts index 0f3a36e0ea6d..3f4c6102e4e1 100644 --- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts +++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts @@ -237,7 +237,7 @@ dma00: dma-channel@0 { compatible = "fsl,mpc8610-dma-channel", - "fsl,eloplus-dma-channel"; + "fsl,ssi-dma-channel"; cell-index = <0>; reg = <0x0 0x80>; interrupt-parent = <&mpic>; @@ -245,7 +245,7 @@ }; dma01: dma-channel@1 { compatible = "fsl,mpc8610-dma-channel", - "fsl,eloplus-dma-channel"; + "fsl,ssi-dma-channel"; cell-index = <1>; reg = <0x80 0x80>; interrupt-parent = <&mpic>; -- GitLab From d6c3db83c5567b3a4d8d0bf33dc5687abdf65274 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Tue, 23 Sep 2008 18:13:00 +0400 Subject: [PATCH 4316/6244] i2c: MPC8349E-mITX Power Management and GPIO expander driver On MPC8349E-mITX, MPC8315E-RDB and MPC837x-RDB boards there is a Freescale MC9S08QG8 (MCU) chip with the custom firmware pre-programmed. The chip is used to power-off the board by the software, and to control some GPIO pins. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- drivers/i2c/chips/Kconfig | 11 ++ drivers/i2c/chips/Makefile | 1 + drivers/i2c/chips/mcu_mpc8349emitx.c | 209 +++++++++++++++++++++++++++ 3 files changed, 221 insertions(+) create mode 100644 drivers/i2c/chips/mcu_mpc8349emitx.c diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index a95cb9465d65..17356827b93d 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -172,4 +172,15 @@ config MENELAUS and other features that are often used in portable devices like cell phones and PDAs. +config MCU_MPC8349EMITX + tristate "MPC8349E-mITX MCU driver" + depends on I2C && PPC_83xx + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + Say Y here to enable soft power-off functionality on the Freescale + boards with the MPC8349E-mITX-compatible MCU chips. This driver will + also register MCU GPIOs with the generic GPIO API, so you'll able + to use MCU pins as GPIOs. + endmenu diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 39e3e69ed125..ca520fa143d6 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o obj-$(CONFIG_TPS65010) += tps65010.o obj-$(CONFIG_MENELAUS) += menelaus.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o +obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o ifeq ($(CONFIG_I2C_DEBUG_CHIP),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/i2c/chips/mcu_mpc8349emitx.c b/drivers/i2c/chips/mcu_mpc8349emitx.c new file mode 100644 index 000000000000..82a9bcb858b6 --- /dev/null +++ b/drivers/i2c/chips/mcu_mpc8349emitx.c @@ -0,0 +1,209 @@ +/* + * Power Management and GPIO expander driver for MPC8349E-mITX-compatible MCU + * + * Copyright (c) 2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * I don't have specifications for the MCU firmware, I found this register + * and bits positions by the trial&error method. + */ +#define MCU_REG_CTRL 0x20 +#define MCU_CTRL_POFF 0x40 + +#define MCU_NUM_GPIO 2 + +struct mcu { + struct mutex lock; + struct device_node *np; + struct i2c_client *client; + struct of_gpio_chip of_gc; + u8 reg_ctrl; +}; + +static struct mcu *glob_mcu; + +static void mcu_power_off(void) +{ + struct mcu *mcu = glob_mcu; + + pr_info("Sending power-off request to the MCU...\n"); + mutex_lock(&mcu->lock); + i2c_smbus_write_byte_data(glob_mcu->client, MCU_REG_CTRL, + mcu->reg_ctrl | MCU_CTRL_POFF); + mutex_unlock(&mcu->lock); +} + +static void mcu_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) +{ + struct of_gpio_chip *of_gc = to_of_gpio_chip(gc); + struct mcu *mcu = container_of(of_gc, struct mcu, of_gc); + u8 bit = 1 << (4 + gpio); + + mutex_lock(&mcu->lock); + if (val) + mcu->reg_ctrl &= ~bit; + else + mcu->reg_ctrl |= bit; + + i2c_smbus_write_byte_data(mcu->client, MCU_REG_CTRL, mcu->reg_ctrl); + mutex_unlock(&mcu->lock); +} + +static int mcu_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) +{ + mcu_gpio_set(gc, gpio, val); + return 0; +} + +static int mcu_gpiochip_add(struct mcu *mcu) +{ + struct device_node *np; + struct of_gpio_chip *of_gc = &mcu->of_gc; + struct gpio_chip *gc = &of_gc->gc; + int ret; + + np = of_find_compatible_node(NULL, NULL, "fsl,mcu-mpc8349emitx"); + if (!np) + return -ENODEV; + + gc->owner = THIS_MODULE; + gc->label = np->full_name; + gc->can_sleep = 1; + gc->ngpio = MCU_NUM_GPIO; + gc->base = -1; + gc->set = mcu_gpio_set; + gc->direction_output = mcu_gpio_dir_out; + of_gc->gpio_cells = 2; + of_gc->xlate = of_gpio_simple_xlate; + + np->data = of_gc; + mcu->np = np; + + /* + * We don't want to lose the node, its ->data and ->full_name... + * So, if succeeded, we don't put the node here. + */ + ret = gpiochip_add(gc); + if (ret) + of_node_put(np); + return ret; +} + +static int mcu_gpiochip_remove(struct mcu *mcu) +{ + int ret; + + ret = gpiochip_remove(&mcu->of_gc.gc); + if (ret) + return ret; + of_node_put(mcu->np); + + return 0; +} + +static int __devinit mcu_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct mcu *mcu; + int ret; + + mcu = kzalloc(sizeof(*mcu), GFP_KERNEL); + if (!mcu) + return -ENOMEM; + + mutex_init(&mcu->lock); + mcu->client = client; + i2c_set_clientdata(client, mcu); + + ret = i2c_smbus_read_byte_data(mcu->client, MCU_REG_CTRL); + if (ret < 0) + goto err; + mcu->reg_ctrl = ret; + + ret = mcu_gpiochip_add(mcu); + if (ret) + goto err; + + /* XXX: this is potentially racy, but there is no lock for ppc_md */ + if (!ppc_md.power_off) { + glob_mcu = mcu; + ppc_md.power_off = mcu_power_off; + dev_info(&client->dev, "will provide power-off service\n"); + } + + return 0; +err: + kfree(mcu); + return ret; +} + +static int __devexit mcu_remove(struct i2c_client *client) +{ + struct mcu *mcu = i2c_get_clientdata(client); + int ret; + + if (glob_mcu == mcu) { + ppc_md.power_off = NULL; + glob_mcu = NULL; + } + + ret = mcu_gpiochip_remove(mcu); + if (ret) + return ret; + i2c_set_clientdata(client, NULL); + kfree(mcu); + return 0; +} + +static const struct i2c_device_id mcu_ids[] = { + { "mcu-mpc8349emitx", }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, mcu_ids); + +static struct i2c_driver mcu_driver = { + .driver = { + .name = "mcu-mpc8349emitx", + .owner = THIS_MODULE, + }, + .probe = mcu_probe, + .remove = __devexit_p(mcu_remove), + .id_table = mcu_ids, +}; + +static int __init mcu_init(void) +{ + return i2c_add_driver(&mcu_driver); +} +module_init(mcu_init); + +static void __exit mcu_exit(void) +{ + i2c_del_driver(&mcu_driver); +} +module_exit(mcu_exit); + +MODULE_DESCRIPTION("Power Management and GPIO expander driver for " + "MPC8349E-mITX-compatible MCU"); +MODULE_AUTHOR("Anton Vorontsov "); +MODULE_LICENSE("GPL"); -- GitLab From 6675847ea42d5acfaa644ac24eb0d87df5769cd5 Mon Sep 17 00:00:00 2001 From: Martyn Welch Date: Mon, 13 Oct 2008 16:16:45 +0100 Subject: [PATCH 4317/6244] powerpc: FPGA support for GE Fanuc SBC610 Support for the SBC610 VPX Single Board Computer from GE Fanuc (PowerPC MPC8641D). This patch adds support for the registers held in the devices main FPGA, exposing extra information about the revision of the board through cpuinfo. Signed-off-by: Martyn Welch Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/gef_sbc610.dts | 4 +++ arch/powerpc/platforms/86xx/gef_sbc610.c | 40 ++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts index 771a776d6101..6ed608322ddc 100644 --- a/arch/powerpc/boot/dts/gef_sbc610.dts +++ b/arch/powerpc/boot/dts/gef_sbc610.dts @@ -84,6 +84,10 @@ 6 0 0xfd000000 0x00800000 // IO FPGA (8-bit) 7 0 0xfd800000 0x00800000>; // IO FPGA (32-bit) + fpga@4,0 { + compatible = "gef,fpga-regs"; + reg = <0x4 0x0 0x40>; + }; gef_pic: pic@4,4000 { #interrupt-cells = <1>; interrupt-controller; diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c index 3873c2018cc3..821c45fac18b 100644 --- a/arch/powerpc/platforms/86xx/gef_sbc610.c +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c @@ -73,6 +73,7 @@ static void __init gef_sbc610_init_irq(void) static void __init gef_sbc610_setup_arch(void) { + struct device_node *regs; #ifdef CONFIG_PCI struct device_node *np; @@ -86,8 +87,43 @@ static void __init gef_sbc610_setup_arch(void) #ifdef CONFIG_SMP mpc86xx_smp_init(); #endif + + /* Remap basic board registers */ + regs = of_find_compatible_node(NULL, NULL, "gef,fpga-regs"); + if (regs) { + sbc610_regs = of_iomap(regs, 0); + if (sbc610_regs == NULL) + printk(KERN_WARNING "Unable to map board registers\n"); + of_node_put(regs); + } +} + +/* Return the PCB revision */ +static unsigned int gef_sbc610_get_pcb_rev(void) +{ + unsigned int reg; + + reg = ioread32(sbc610_regs); + return (reg >> 8) & 0xff; +} + +/* Return the board (software) revision */ +static unsigned int gef_sbc610_get_board_rev(void) +{ + unsigned int reg; + + reg = ioread32(sbc610_regs); + return (reg >> 16) & 0xff; } +/* Return the FPGA revision */ +static unsigned int gef_sbc610_get_fpga_rev(void) +{ + unsigned int reg; + + reg = ioread32(sbc610_regs); + return (reg >> 24) & 0xf; +} static void gef_sbc610_show_cpuinfo(struct seq_file *m) { @@ -96,6 +132,10 @@ static void gef_sbc610_show_cpuinfo(struct seq_file *m) seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n"); + seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(), + ('A' + gef_sbc610_get_board_rev() - 1)); + seq_printf(m, "FPGA Revision\t: %u\n", gef_sbc610_get_fpga_rev()); + seq_printf(m, "SVR\t\t: 0x%x\n", svid); seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024)); } -- GitLab From 3a1dfe6eefe483589c99c909202ffe1a20d589b5 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 13 Oct 2008 17:49:02 +0200 Subject: [PATCH 4318/6244] x86/mm: unify init task OOM handling Linus noticed that the "again:" versus "survive:" OOM logic for the init task was arbitrarily different. The 64-bit codepath is the better one, because it correctly re-lookups the vma after having dropped the ->mmap_sem. Signed-off-by: Ingo Molnar Acked-by: Linus Torvalds --- arch/x86/mm/fault.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index ac2ad781da00..8bc5956e1af4 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -671,7 +671,8 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) goto bad_area_nosemaphore; again: - /* When running in the kernel we expect faults to occur only to + /* + * When running in the kernel we expect faults to occur only to * addresses in user space. All other faults represent errors in the * kernel and should generate an OOPS. Unfortunately, in the case of an * erroneous fault occurring in a code path which already holds mmap_sem @@ -734,9 +735,6 @@ good_area: goto bad_area; } -#ifdef CONFIG_X86_32 -survive: -#endif /* * If for any reason at all we couldn't handle the fault, * make sure we exit gracefully rather than endlessly redo @@ -871,12 +869,11 @@ out_of_memory: up_read(&mm->mmap_sem); if (is_global_init(tsk)) { yield(); -#ifdef CONFIG_X86_32 - down_read(&mm->mmap_sem); - goto survive; -#else + /* + * Re-lookup the vma - in theory the vma tree might + * have changed: + */ goto again; -#endif } printk("VM: killing process %s\n", tsk->comm); -- GitLab From 1fb25be1e74498d389e4de819a6d1b174d6ccb7c Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Fri, 10 Oct 2008 22:05:12 +0400 Subject: [PATCH 4319/6244] powerpc/83xx: add NAND support for the MPC8360E-RDK boards The StMicro NAND chip (512Mbit, 64MB) is connected to the local bus, the first local bus' user-programmable machine is configured by the firmware to work with NAND chips. QE GPIO pin is used to poll the NAND's Ready-Not-Busy signal. Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/mpc836x_rdk.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/powerpc/boot/dts/mpc836x_rdk.dts b/arch/powerpc/boot/dts/mpc836x_rdk.dts index f747747e5318..decadf3d9e98 100644 --- a/arch/powerpc/boot/dts/mpc836x_rdk.dts +++ b/arch/powerpc/boot/dts/mpc836x_rdk.dts @@ -387,6 +387,18 @@ device-width = <1>; }; + upm@1,0 { + compatible = "fsl,upm-nand"; + reg = <1 0 1>; + fsl,upm-addr-offset = <16>; + fsl,upm-cmd-offset = <8>; + gpios = <&qe_pio_e 18 0>; + + flash { + compatible = "stm,nand512-a"; + }; + }; + display@2,0 { device_type = "display"; compatible = "fujitsu,MB86277", "fujitsu,mint"; -- GitLab From c0da99d5f7b0349cb11f970b3283c0d57beb5ec9 Mon Sep 17 00:00:00 2001 From: Anton Vorontsov Date: Thu, 9 Oct 2008 04:32:59 +0400 Subject: [PATCH 4320/6244] powerpc: fix fsl_upm nand driver modular build The fsl_upm nand driver fails to build because fsl_lbc_lock isn't exported, the lock is needed by the inlined fsl_upm_run_pattern() function: ERROR: "fsl_lbc_lock" [drivers/mtd/nand/fsl_upm.ko] undefined! Dave Jones purposed to export the lock, but it is better to just uninline the fsl_upm_run_pattern(). When uninlined we also no longer need the exported fsl_lbc_regs, and both fsl_lbc_lock and fsl_lbc_regs could be marked static. While at it, also add some missing includes that we should have included explicitly. Reported-by: Dave Jones Signed-off-by: Anton Vorontsov Signed-off-by: Kumar Gala --- arch/powerpc/include/asm/fsl_lbc.h | 48 +++------------------------ arch/powerpc/sysdev/fsl_lbc.c | 53 +++++++++++++++++++++++++++--- 2 files changed, 53 insertions(+), 48 deletions(-) diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h index 303f5484c050..63a4f779f531 100644 --- a/arch/powerpc/include/asm/fsl_lbc.h +++ b/arch/powerpc/include/asm/fsl_lbc.h @@ -23,9 +23,9 @@ #ifndef __ASM_FSL_LBC_H #define __ASM_FSL_LBC_H +#include #include -#include -#include +#include struct fsl_lbc_bank { __be32 br; /**< Base Register */ @@ -227,9 +227,6 @@ struct fsl_lbc_regs { u8 res8[0xF00]; }; -extern struct fsl_lbc_regs __iomem *fsl_lbc_regs; -extern spinlock_t fsl_lbc_lock; - /* * FSL UPM routines */ @@ -268,44 +265,7 @@ static inline void fsl_upm_end_pattern(struct fsl_upm *upm) cpu_relax(); } -/** - * fsl_upm_run_pattern - actually run an UPM pattern - * @upm: pointer to the fsl_upm structure obtained via fsl_upm_find - * @io_base: remapped pointer to where memory access should happen - * @mar: MAR register content during pattern execution - * - * This function triggers dummy write to the memory specified by the io_base, - * thus UPM pattern actually executed. Note that mar usage depends on the - * pre-programmed AMX bits in the UPM RAM. - */ -static inline int fsl_upm_run_pattern(struct fsl_upm *upm, - void __iomem *io_base, u32 mar) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&fsl_lbc_lock, flags); - - out_be32(&fsl_lbc_regs->mar, mar << (32 - upm->width)); - - switch (upm->width) { - case 8: - out_8(io_base, 0x0); - break; - case 16: - out_be16(io_base, 0x0); - break; - case 32: - out_be32(io_base, 0x0); - break; - default: - ret = -EINVAL; - break; - } - - spin_unlock_irqrestore(&fsl_lbc_lock, flags); - - return ret; -} +extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, + u32 mar); #endif /* __ASM_FSL_LBC_H */ diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 422c8faef593..0494ee55920f 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -11,14 +11,19 @@ * (at your option) any later version. */ +#include +#include #include +#include +#include +#include +#include #include +#include #include -spinlock_t fsl_lbc_lock = __SPIN_LOCK_UNLOCKED(fsl_lbc_lock); - -struct fsl_lbc_regs __iomem *fsl_lbc_regs; -EXPORT_SYMBOL(fsl_lbc_regs); +static spinlock_t fsl_lbc_lock = __SPIN_LOCK_UNLOCKED(fsl_lbc_lock); +static struct fsl_lbc_regs __iomem *fsl_lbc_regs; static char __initdata *compat_lbc[] = { "fsl,pq2-localbus", @@ -127,3 +132,43 @@ int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm) return 0; } EXPORT_SYMBOL(fsl_upm_find); + +/** + * fsl_upm_run_pattern - actually run an UPM pattern + * @upm: pointer to the fsl_upm structure obtained via fsl_upm_find + * @io_base: remapped pointer to where memory access should happen + * @mar: MAR register content during pattern execution + * + * This function triggers dummy write to the memory specified by the io_base, + * thus UPM pattern actually executed. Note that mar usage depends on the + * pre-programmed AMX bits in the UPM RAM. + */ +int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, u32 mar) +{ + int ret = 0; + unsigned long flags; + + spin_lock_irqsave(&fsl_lbc_lock, flags); + + out_be32(&fsl_lbc_regs->mar, mar << (32 - upm->width)); + + switch (upm->width) { + case 8: + out_8(io_base, 0x0); + break; + case 16: + out_be16(io_base, 0x0); + break; + case 32: + out_be32(io_base, 0x0); + break; + default: + ret = -EINVAL; + break; + } + + spin_unlock_irqrestore(&fsl_lbc_lock, flags); + + return ret; +} +EXPORT_SYMBOL(fsl_upm_run_pattern); -- GitLab From 41ca73229809eb3d173e316d11d3943d49924209 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 13 Oct 2008 10:31:37 +0100 Subject: [PATCH 4321/6244] drivers/serial/crisv10.c: add missing put_tty_driver alloc_tty_driver is called at the beginning of the function containing the lines of code shown in the patch. Thus, put_tty_driver is needed before returning in the error handling code. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // @nr exists@ local idexpression x; expression E,f; position p1,p2,p3; identifier l; statement S; @@ x = alloc_tty_driver@p1(...) ... if (x == NULL) S ... when != E = x when != put_tty_driver(x) when != goto l; ( return \(0\|x\); | return@p3 ...; ) @script:python@ p1 << nr.p1; p3 << nr.p3; @@ print "%s: call on line %s not freed or saved before return on line %s" % (p1[0].file,p1[0].line,p3[0].line) // Signed-off-by: Julia Lawall Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/crisv10.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index bf94a770bb44..a467c77d8a13 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -4419,6 +4419,7 @@ rs_init(void) rs485_pa_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); + put_tty_driver(driver); return -EBUSY; } #endif @@ -4427,6 +4428,7 @@ rs_init(void) rs485_port_g_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); + put_tty_driver(driver); return -EBUSY; } #endif -- GitLab From 2571cd6a8e07a13fd3ac77f5e2c5470966d6f9c9 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 13 Oct 2008 10:31:49 +0100 Subject: [PATCH 4322/6244] drivers/char/hvc_console.c: adjust call to put_tty_driver The call to put_tty_driver is out of place and is applied to the wrong argument. The function enclosing the patched code calls alloc_tty_driver and stores the result in drv. Subsequently, there are two occurrences of error handling code, one making a goto to put_tty and one making a goto to stop_thread. At the point of the first one the assignment hvc_driver = drv has not yet been executed, and from inspecting the rest of the file it seems that hvc_driver would be NULL. Thus the current call to put_tty_driver is useless, and one applied to drv is needed. The goto stop_thread is in the error handling code for a call to tty_register_driver, but the error cases in tty_register_driver do not free its argument, so it should be done here. Thus, I have moved the put_tty label after the stop_thread label, so that put_tty_driver is called in both cases. The semantic match that finds this problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // @r exists@ local idexpression x; expression E,f; position p1,p2,p3; identifier l; statement S; @@ x = alloc_tty_driver@p1(...) ... if (x == NULL) S ... when != E = x when != put_tty_driver(x) goto@p2 l; ... when != E = x when != f(...,x,...) when any ( return \(0\|x\); | return@p3 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; p3 << r.p3; @@ print "%s: call on line %s not freed or saved before return on line %s via line %s" % (p1[0].file,p1[0].line,p3[0].line,p2[0].line) // Signed-off-by: Julia Lawall Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/hvc_console.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index fd64137b1ab9..ec7aded0a2df 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -819,11 +819,11 @@ static int hvc_init(void) hvc_driver = drv; return 0; -put_tty: - put_tty_driver(hvc_driver); stop_thread: kthread_stop(hvc_task); hvc_task = NULL; +put_tty: + put_tty_driver(drv); out: return err; } -- GitLab From 02f11f392434656f00fdcc8c51348d52bd39afe8 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 10:31:59 +0100 Subject: [PATCH 4323/6244] coldfire: scheduled SERIAL_COLDFIRE removal This patch contains the scheduled removal of the obsolete SERIAL_COLDFIRE driver. Signed-off-by: Adrian Bunk Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- Documentation/feature-removal-schedule.txt | 8 - drivers/serial/Kconfig | 16 +- drivers/serial/Makefile | 1 - drivers/serial/mcfserial.c | 1965 -------------------- drivers/serial/mcfserial.h | 74 - 5 files changed, 2 insertions(+), 2062 deletions(-) delete mode 100644 drivers/serial/mcfserial.c delete mode 100644 drivers/serial/mcfserial.h diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 3d2d0c29f027..cc8093c15cf5 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -287,14 +287,6 @@ Who: Glauber Costa --------------------------- -What: old style serial driver for ColdFire (CONFIG_SERIAL_COLDFIRE) -When: 2.6.28 -Why: This driver still uses the old interface and has been replaced - by CONFIG_SERIAL_MCF. -Who: Sebastian Siewior - ---------------------------- - What: /sys/o2cb symlink When: January 2010 Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 77cb34270fc1..0db20452c79a 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -994,24 +994,12 @@ config SERIAL_68328_RTS_CTS bool "Support RTS/CTS on 68328 serial port" depends on SERIAL_68328 -config SERIAL_COLDFIRE - bool "ColdFire serial support (DEPRECATED)" - depends on COLDFIRE - help - This driver supports the built-in serial ports of the Motorola ColdFire - family of CPUs. - This driver is deprecated because it supports only the old interface - for serial drivers and features like magic keys are not working. - Please switch to the new style driver because this driver will be - removed soon. - config SERIAL_MCF - bool "Coldfire serial support (new style driver)" + bool "Coldfire serial support" depends on COLDFIRE select SERIAL_CORE help - This new serial driver supports the Freescale Coldfire serial ports - using the new serial driver subsystem. + This serial driver supports the Freescale Coldfire serial ports. config SERIAL_MCF_BAUDRATE int "Default baudrate for Coldfire serial ports" diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 7e7383e890d8..1462eb3f7bd2 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -40,7 +40,6 @@ obj-$(CONFIG_SERIAL_SUNSAB) += sunsab.o obj-$(CONFIG_SERIAL_MUX) += mux.o obj-$(CONFIG_SERIAL_68328) += 68328serial.o obj-$(CONFIG_SERIAL_68360) += 68360serial.o -obj-$(CONFIG_SERIAL_COLDFIRE) += mcfserial.o obj-$(CONFIG_SERIAL_MCF) += mcf.o obj-$(CONFIG_SERIAL_PMACZILOG) += pmac_zilog.o obj-$(CONFIG_SERIAL_LH7A40X) += serial_lh7a40x.o diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c deleted file mode 100644 index fbe3835f6b77..000000000000 --- a/drivers/serial/mcfserial.c +++ /dev/null @@ -1,1965 +0,0 @@ -#warning This driver is deprecated. Check Kconfig for details. -/* - * mcfserial.c -- serial driver for ColdFire internal UARTS. - * - * Copyright (C) 1999-2003 Greg Ungerer - * Copyright (c) 2000-2001 Lineo, Inc. - * Copyright (C) 2001-2002 SnapGear Inc. - * - * Based on code from 68332serial.c which was: - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 TSHG - * Copyright (c) 1999 Rt-Control Inc. - * - * Changes: - * 08/07/2003 Daniele Bellucci - * some cleanups in mcfrs_write. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "mcfserial.h" - -struct timer_list mcfrs_timer_struct; - -/* - * Default console baud rate, we use this as the default - * for all ports so init can just open /dev/console and - * keep going. Perhaps one day the cflag settings for the - * console can be used instead. - */ -#if defined(CONFIG_HW_FEITH) -#define CONSOLE_BAUD_RATE 38400 -#define DEFAULT_CBAUD B38400 -#elif defined(CONFIG_MOD5272) || defined(CONFIG_M5208EVB) || \ - defined(CONFIG_M5329EVB) || defined(CONFIG_GILBARCO) -#define CONSOLE_BAUD_RATE 115200 -#define DEFAULT_CBAUD B115200 -#elif defined(CONFIG_ARNEWSH) || defined(CONFIG_FREESCALE) || \ - defined(CONFIG_senTec) || defined(CONFIG_SNEHA) || defined(CONFIG_AVNET) -#define CONSOLE_BAUD_RATE 19200 -#define DEFAULT_CBAUD B19200 -#endif - -#ifndef CONSOLE_BAUD_RATE -#define CONSOLE_BAUD_RATE 9600 -#define DEFAULT_CBAUD B9600 -#endif - -int mcfrs_console_inited = 0; -int mcfrs_console_port = -1; -int mcfrs_console_baud = CONSOLE_BAUD_RATE; -int mcfrs_console_cbaud = DEFAULT_CBAUD; - -/* - * Driver data structures. - */ -static struct tty_driver *mcfrs_serial_driver; - -/* number of characters left in xmit buffer before we ask for more */ -#define WAKEUP_CHARS 256 - -/* Debugging... - */ -#undef SERIAL_DEBUG_OPEN -#undef SERIAL_DEBUG_FLOW - -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) -#define IRQBASE (MCFINT_VECBASE+MCFINT_UART0) -#else -#define IRQBASE 73 -#endif - -/* - * Configuration table, UARTs to look for at startup. - */ -static struct mcf_serial mcfrs_table[] = { - { /* ttyS0 */ - .magic = 0, - .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE1), - .irq = IRQBASE, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#ifdef MCFUART_BASE2 - { /* ttyS1 */ - .magic = 0, - .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE2), - .irq = IRQBASE+1, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#endif -#ifdef MCFUART_BASE3 - { /* ttyS2 */ - .magic = 0, - .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE3), - .irq = IRQBASE+2, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#endif -#ifdef MCFUART_BASE4 - { /* ttyS3 */ - .magic = 0, - .addr = (volatile unsigned char *) (MCF_MBAR+MCFUART_BASE4), - .irq = IRQBASE+3, - .flags = ASYNC_BOOT_AUTOCONF, - }, -#endif -}; - - -#define NR_PORTS (sizeof(mcfrs_table) / sizeof(struct mcf_serial)) - -/* - * This is used to figure out the divisor speeds and the timeouts. - */ -static int mcfrs_baud_table[] = { - 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, - 9600, 19200, 38400, 57600, 115200, 230400, 460800, 0 -}; -#define MCFRS_BAUD_TABLE_SIZE \ - (sizeof(mcfrs_baud_table)/sizeof(mcfrs_baud_table[0])) - - -#ifdef CONFIG_MAGIC_SYSRQ -/* - * Magic system request keys. Used for debugging... - */ -extern int magic_sysrq_key(int ch); -#endif - - -/* - * Forware declarations... - */ -static void mcfrs_change_speed(struct mcf_serial *info); -static void mcfrs_wait_until_sent(struct tty_struct *tty, int timeout); - - -static inline int serial_paranoia_check(struct mcf_serial *info, - char *name, const char *routine) -{ -#ifdef SERIAL_PARANOIA_CHECK - static const char badmagic[] = - "MCFRS(warning): bad magic number for serial struct %s in %s\n"; - static const char badinfo[] = - "MCFRS(warning): null mcf_serial for %s in %s\n"; - - if (!info) { - printk(badinfo, name, routine); - return 1; - } - if (info->magic != SERIAL_MAGIC) { - printk(badmagic, name, routine); - return 1; - } -#endif - return 0; -} - -/* - * Sets or clears DTR and RTS on the requested line. - */ -static void mcfrs_setsignals(struct mcf_serial *info, int dtr, int rts) -{ - volatile unsigned char *uartp; - unsigned long flags; - -#if 0 - printk("%s(%d): mcfrs_setsignals(info=%x,dtr=%d,rts=%d)\n", - __FILE__, __LINE__, info, dtr, rts); -#endif - - local_irq_save(flags); - if (dtr >= 0) { -#ifdef MCFPP_DTR0 - if (info->line) - mcf_setppdata(MCFPP_DTR1, (dtr ? 0 : MCFPP_DTR1)); - else - mcf_setppdata(MCFPP_DTR0, (dtr ? 0 : MCFPP_DTR0)); -#endif - } - if (rts >= 0) { - uartp = info->addr; - if (rts) { - info->sigs |= TIOCM_RTS; - uartp[MCFUART_UOP1] = MCFUART_UOP_RTS; - } else { - info->sigs &= ~TIOCM_RTS; - uartp[MCFUART_UOP0] = MCFUART_UOP_RTS; - } - } - local_irq_restore(flags); - return; -} - -/* - * Gets values of serial signals. - */ -static int mcfrs_getsignals(struct mcf_serial *info) -{ - volatile unsigned char *uartp; - unsigned long flags; - int sigs; -#if defined(CONFIG_NETtel) && defined(CONFIG_M5307) - unsigned short ppdata; -#endif - -#if 0 - printk("%s(%d): mcfrs_getsignals(info=%x)\n", __FILE__, __LINE__); -#endif - - local_irq_save(flags); - uartp = info->addr; - sigs = (uartp[MCFUART_UIPR] & MCFUART_UIPR_CTS) ? 0 : TIOCM_CTS; - sigs |= (info->sigs & TIOCM_RTS); - -#ifdef MCFPP_DCD0 -{ - unsigned int ppdata; - ppdata = mcf_getppdata(); - if (info->line == 0) { - sigs |= (ppdata & MCFPP_DCD0) ? 0 : TIOCM_CD; - sigs |= (ppdata & MCFPP_DTR0) ? 0 : TIOCM_DTR; - } else if (info->line == 1) { - sigs |= (ppdata & MCFPP_DCD1) ? 0 : TIOCM_CD; - sigs |= (ppdata & MCFPP_DTR1) ? 0 : TIOCM_DTR; - } -} -#endif - - local_irq_restore(flags); - return(sigs); -} - -/* - * ------------------------------------------------------------ - * mcfrs_stop() and mcfrs_start() - * - * This routines are called before setting or resetting tty->stopped. - * They enable or disable transmitter interrupts, as necessary. - * ------------------------------------------------------------ - */ -static void mcfrs_stop(struct tty_struct *tty) -{ - volatile unsigned char *uartp; - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - - if (serial_paranoia_check(info, tty->name, "mcfrs_stop")) - return; - - local_irq_save(flags); - uartp = info->addr; - info->imr &= ~MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - local_irq_restore(flags); -} - -static void mcfrs_start(struct tty_struct *tty) -{ - volatile unsigned char *uartp; - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - - if (serial_paranoia_check(info, tty->name, "mcfrs_start")) - return; - - local_irq_save(flags); - if (info->xmit_cnt && info->xmit_buf) { - uartp = info->addr; - info->imr |= MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - } - local_irq_restore(flags); -} - -/* - * ---------------------------------------------------------------------- - * - * Here starts the interrupt handling routines. All of the following - * subroutines are declared as inline and are folded into - * mcfrs_interrupt(). They were separated out for readability's sake. - * - * Note: mcfrs_interrupt() is a "fast" interrupt, which means that it - * runs with interrupts turned off. People who may want to modify - * mcfrs_interrupt() should try to keep the interrupt handler as fast as - * possible. After you are done making modifications, it is not a bad - * idea to do: - * - * gcc -S -DKERNEL -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer serial.c - * - * and look at the resulting assemble code in serial.s. - * - * - Ted Ts'o (tytso@mit.edu), 7-Mar-93 - * ----------------------------------------------------------------------- - */ - -static inline void receive_chars(struct mcf_serial *info) -{ - volatile unsigned char *uartp; - struct tty_struct *tty = info->port.tty; - unsigned char status, ch, flag; - - if (!tty) - return; - - uartp = info->addr; - - while ((status = uartp[MCFUART_USR]) & MCFUART_USR_RXREADY) { - ch = uartp[MCFUART_URB]; - info->stats.rx++; - -#ifdef CONFIG_MAGIC_SYSRQ - if (mcfrs_console_inited && (info->line == mcfrs_console_port)) { - if (magic_sysrq_key(ch)) - continue; - } -#endif - - flag = TTY_NORMAL; - if (status & MCFUART_USR_RXERR) { - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; - if (status & MCFUART_USR_RXBREAK) { - info->stats.rxbreak++; - flag = TTY_BREAK; - } else if (status & MCFUART_USR_RXPARITY) { - info->stats.rxparity++; - flag = TTY_PARITY; - } else if (status & MCFUART_USR_RXOVERRUN) { - info->stats.rxoverrun++; - flag = TTY_OVERRUN; - } else if (status & MCFUART_USR_RXFRAMING) { - info->stats.rxframing++; - flag = TTY_FRAME; - } - } - tty_insert_flip_char(tty, ch, flag); - } - tty_schedule_flip(tty); - return; -} - -static inline void transmit_chars(struct mcf_serial *info) -{ - volatile unsigned char *uartp; - - uartp = info->addr; - - if (info->x_char) { - /* Send special char - probably flow control */ - uartp[MCFUART_UTB] = info->x_char; - info->x_char = 0; - info->stats.tx++; - } - - if ((info->xmit_cnt <= 0) || info->port.tty->stopped) { - info->imr &= ~MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - return; - } - - while (uartp[MCFUART_USR] & MCFUART_USR_TXREADY) { - uartp[MCFUART_UTB] = info->xmit_buf[info->xmit_tail++]; - info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE-1); - info->stats.tx++; - if (--info->xmit_cnt <= 0) - break; - } - - if (info->xmit_cnt < WAKEUP_CHARS) - schedule_work(&info->tqueue); - return; -} - -/* - * This is the serial driver's generic interrupt routine - */ -irqreturn_t mcfrs_interrupt(int irq, void *dev_id) -{ - struct mcf_serial *info; - unsigned char isr; - - info = &mcfrs_table[(irq - IRQBASE)]; - isr = info->addr[MCFUART_UISR] & info->imr; - - if (isr & MCFUART_UIR_RXREADY) - receive_chars(info); - if (isr & MCFUART_UIR_TXREADY) - transmit_chars(info); - return IRQ_HANDLED; -} - -/* - * ------------------------------------------------------------------- - * Here ends the serial interrupt routines. - * ------------------------------------------------------------------- - */ - -static void mcfrs_offintr(struct work_struct *work) -{ - struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue); - struct tty_struct *tty = info->port.tty; - - if (tty) - tty_wakeup(tty); -} - - -/* - * Change of state on a DCD line. - */ -void mcfrs_modem_change(struct mcf_serial *info, int dcd) -{ - if (info->count == 0) - return; - - if (info->flags & ASYNC_CHECK_CD) { - if (dcd) - wake_up_interruptible(&info->open_wait); - else - schedule_work(&info->tqueue_hangup); - } -} - - -#ifdef MCFPP_DCD0 - -unsigned short mcfrs_ppstatus; - -/* - * This subroutine is called when the RS_TIMER goes off. It is used - * to monitor the state of the DCD lines - since they have no edge - * sensors and interrupt generators. - */ -static void mcfrs_timer(void) -{ - unsigned int ppstatus, dcdval, i; - - ppstatus = mcf_getppdata() & (MCFPP_DCD0 | MCFPP_DCD1); - - if (ppstatus != mcfrs_ppstatus) { - for (i = 0; (i < 2); i++) { - dcdval = (i ? MCFPP_DCD1 : MCFPP_DCD0); - if ((ppstatus & dcdval) != (mcfrs_ppstatus & dcdval)) { - mcfrs_modem_change(&mcfrs_table[i], - ((ppstatus & dcdval) ? 0 : 1)); - } - } - } - mcfrs_ppstatus = ppstatus; - - /* Re-arm timer */ - mcfrs_timer_struct.expires = jiffies + HZ/25; - add_timer(&mcfrs_timer_struct); -} - -#endif /* MCFPP_DCD0 */ - - -/* - * This routine is called from the scheduler tqueue when the interrupt - * routine has signalled that a hangup has occurred. The path of - * hangup processing is: - * - * serial interrupt routine -> (scheduler tqueue) -> - * do_serial_hangup() -> tty->hangup() -> mcfrs_hangup() - * - */ -static void do_serial_hangup(struct work_struct *work) -{ - struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue_hangup); - struct tty_struct *tty = info->port.tty; - - if (tty) - tty_hangup(tty); -} - -static int startup(struct mcf_serial * info) -{ - volatile unsigned char *uartp; - unsigned long flags; - - if (info->flags & ASYNC_INITIALIZED) - return 0; - - if (!info->xmit_buf) { - info->xmit_buf = (unsigned char *) __get_free_page(GFP_KERNEL); - if (!info->xmit_buf) - return -ENOMEM; - } - - local_irq_save(flags); - -#ifdef SERIAL_DEBUG_OPEN - printk("starting up ttyS%d (irq %d)...\n", info->line, info->irq); -#endif - - /* - * Reset UART, get it into known state... - */ - uartp = info->addr; - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ - mcfrs_setsignals(info, 1, 1); - - if (info->port.tty) - clear_bit(TTY_IO_ERROR, &info->port.tty->flags); - info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - - /* - * and set the speed of the serial port - */ - mcfrs_change_speed(info); - - /* - * Lastly enable the UART transmitter and receiver, and - * interrupt enables. - */ - info->imr = MCFUART_UIR_RXREADY; - uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; - uartp[MCFUART_UIMR] = info->imr; - - info->flags |= ASYNC_INITIALIZED; - local_irq_restore(flags); - return 0; -} - -/* - * This routine will shutdown a serial port; interrupts are disabled, and - * DTR is dropped if the hangup on close termio flag is on. - */ -static void shutdown(struct mcf_serial * info) -{ - volatile unsigned char *uartp; - unsigned long flags; - - if (!(info->flags & ASYNC_INITIALIZED)) - return; - -#ifdef SERIAL_DEBUG_OPEN - printk("Shutting down serial port %d (irq %d)....\n", info->line, - info->irq); -#endif - - local_irq_save(flags); - - uartp = info->addr; - uartp[MCFUART_UIMR] = 0; /* mask all interrupts */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ - - if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) - mcfrs_setsignals(info, 0, 0); - - if (info->xmit_buf) { - free_page((unsigned long) info->xmit_buf); - info->xmit_buf = 0; - } - - if (info->port.tty) - set_bit(TTY_IO_ERROR, &info->port.tty->flags); - - info->flags &= ~ASYNC_INITIALIZED; - local_irq_restore(flags); -} - - -/* - * This routine is called to set the UART divisor registers to match - * the specified baud rate for a serial port. - */ -static void mcfrs_change_speed(struct mcf_serial *info) -{ - volatile unsigned char *uartp; - unsigned int baudclk, cflag; - unsigned long flags; - unsigned char mr1, mr2; - int i; -#ifdef CONFIG_M5272 - unsigned int fraction; -#endif - - if (!info->port.tty || !info->port.tty->termios) - return; - cflag = info->port.tty->termios->c_cflag; - if (info->addr == 0) - return; - -#if 0 - printk("%s(%d): mcfrs_change_speed()\n", __FILE__, __LINE__); -#endif - - i = cflag & CBAUD; - if (i & CBAUDEX) { - i &= ~CBAUDEX; - if (i < 1 || i > 4) - info->port.tty->termios->c_cflag &= ~CBAUDEX; - else - i += 15; - } - if (i == 0) { - mcfrs_setsignals(info, 0, -1); - return; - } - - /* compute the baudrate clock */ -#ifdef CONFIG_M5272 - /* - * For the MCF5272, also compute the baudrate fraction. - */ - baudclk = (MCF_BUSCLK / mcfrs_baud_table[i]) / 32; - fraction = MCF_BUSCLK - (baudclk * 32 * mcfrs_baud_table[i]); - fraction *= 16; - fraction /= (32 * mcfrs_baud_table[i]); -#else - baudclk = ((MCF_BUSCLK / mcfrs_baud_table[i]) + 16) / 32; -#endif - - info->baud = mcfrs_baud_table[i]; - - mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR; - mr2 = 0; - - switch (cflag & CSIZE) { - case CS5: mr1 |= MCFUART_MR1_CS5; break; - case CS6: mr1 |= MCFUART_MR1_CS6; break; - case CS7: mr1 |= MCFUART_MR1_CS7; break; - case CS8: - default: mr1 |= MCFUART_MR1_CS8; break; - } - - if (cflag & PARENB) { - if (cflag & CMSPAR) { - if (cflag & PARODD) - mr1 |= MCFUART_MR1_PARITYMARK; - else - mr1 |= MCFUART_MR1_PARITYSPACE; - } else { - if (cflag & PARODD) - mr1 |= MCFUART_MR1_PARITYODD; - else - mr1 |= MCFUART_MR1_PARITYEVEN; - } - } else { - mr1 |= MCFUART_MR1_PARITYNONE; - } - - if (cflag & CSTOPB) - mr2 |= MCFUART_MR2_STOP2; - else - mr2 |= MCFUART_MR2_STOP1; - - if (cflag & CRTSCTS) { - mr1 |= MCFUART_MR1_RXRTS; - mr2 |= MCFUART_MR2_TXCTS; - } - - if (cflag & CLOCAL) - info->flags &= ~ASYNC_CHECK_CD; - else - info->flags |= ASYNC_CHECK_CD; - - uartp = info->addr; - - local_irq_save(flags); -#if 0 - printk("%s(%d): mr1=%x mr2=%x baudclk=%x\n", __FILE__, __LINE__, - mr1, mr2, baudclk); -#endif - /* - Note: pg 12-16 of MCF5206e User's Manual states that a - software reset should be performed prior to changing - UMR1,2, UCSR, UACR, bit 7 - */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */ - uartp[MCFUART_UMR] = mr1; - uartp[MCFUART_UMR] = mr2; - uartp[MCFUART_UBG1] = (baudclk & 0xff00) >> 8; /* set msb byte */ - uartp[MCFUART_UBG2] = (baudclk & 0xff); /* set lsb byte */ -#ifdef CONFIG_M5272 - uartp[MCFUART_UFPD] = (fraction & 0xf); /* set fraction */ -#endif - uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER; - uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; - mcfrs_setsignals(info, 1, -1); - local_irq_restore(flags); - return; -} - -static void mcfrs_flush_chars(struct tty_struct *tty) -{ - volatile unsigned char *uartp; - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - - if (serial_paranoia_check(info, tty->name, "mcfrs_flush_chars")) - return; - - uartp = (volatile unsigned char *) info->addr; - - /* - * re-enable receiver interrupt - */ - local_irq_save(flags); - if ((!(info->imr & MCFUART_UIR_RXREADY)) && - (info->flags & ASYNC_INITIALIZED) ) { - info->imr |= MCFUART_UIR_RXREADY; - uartp[MCFUART_UIMR] = info->imr; - } - local_irq_restore(flags); - - if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || - !info->xmit_buf) - return; - - /* Enable transmitter */ - local_irq_save(flags); - info->imr |= MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - local_irq_restore(flags); -} - -static int mcfrs_write(struct tty_struct * tty, - const unsigned char *buf, int count) -{ - volatile unsigned char *uartp; - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - int c, total = 0; - -#if 0 - printk("%s(%d): mcfrs_write(tty=%x,buf=%x,count=%d)\n", - __FILE__, __LINE__, (int)tty, (int)buf, count); -#endif - - if (serial_paranoia_check(info, tty->name, "mcfrs_write")) - return 0; - - if (!tty || !info->xmit_buf) - return 0; - - local_save_flags(flags); - while (1) { - local_irq_disable(); - c = min(count, (int) min(((int)SERIAL_XMIT_SIZE) - info->xmit_cnt - 1, - ((int)SERIAL_XMIT_SIZE) - info->xmit_head)); - local_irq_restore(flags); - - if (c <= 0) - break; - - memcpy(info->xmit_buf + info->xmit_head, buf, c); - - local_irq_disable(); - info->xmit_head = (info->xmit_head + c) & (SERIAL_XMIT_SIZE-1); - info->xmit_cnt += c; - local_irq_restore(flags); - - buf += c; - count -= c; - total += c; - } - - local_irq_disable(); - uartp = info->addr; - info->imr |= MCFUART_UIR_TXREADY; - uartp[MCFUART_UIMR] = info->imr; - local_irq_restore(flags); - - return total; -} - -static int mcfrs_write_room(struct tty_struct *tty) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - int ret; - - if (serial_paranoia_check(info, tty->name, "mcfrs_write_room")) - return 0; - ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1; - if (ret < 0) - ret = 0; - return ret; -} - -static int mcfrs_chars_in_buffer(struct tty_struct *tty) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - - if (serial_paranoia_check(info, tty->name, "mcfrs_chars_in_buffer")) - return 0; - return info->xmit_cnt; -} - -static void mcfrs_flush_buffer(struct tty_struct *tty) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - - if (serial_paranoia_check(info, tty->name, "mcfrs_flush_buffer")) - return; - - local_irq_save(flags); - info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; - local_irq_restore(flags); - - tty_wakeup(tty); -} - -/* - * ------------------------------------------------------------ - * mcfrs_throttle() - * - * This routine is called by the upper-layer tty layer to signal that - * incoming characters should be throttled. - * ------------------------------------------------------------ - */ -static void mcfrs_throttle(struct tty_struct * tty) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; -#ifdef SERIAL_DEBUG_THROTTLE - char buf[64]; - - printk("throttle %s: %d....\n", tty_name(tty, buf), - tty->ldisc.chars_in_buffer(tty)); -#endif - - if (serial_paranoia_check(info, tty->name, "mcfrs_throttle")) - return; - - if (I_IXOFF(tty)) - info->x_char = STOP_CHAR(tty); - - /* Turn off RTS line (do this atomic) */ -} - -static void mcfrs_unthrottle(struct tty_struct * tty) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; -#ifdef SERIAL_DEBUG_THROTTLE - char buf[64]; - - printk("unthrottle %s: %d....\n", tty_name(tty, buf), - tty->ldisc.chars_in_buffer(tty)); -#endif - - if (serial_paranoia_check(info, tty->name, "mcfrs_unthrottle")) - return; - - if (I_IXOFF(tty)) { - if (info->x_char) - info->x_char = 0; - else - info->x_char = START_CHAR(tty); - } - - /* Assert RTS line (do this atomic) */ -} - -/* - * ------------------------------------------------------------ - * mcfrs_ioctl() and friends - * ------------------------------------------------------------ - */ - -static int get_serial_info(struct mcf_serial * info, - struct serial_struct * retinfo) -{ - struct serial_struct tmp; - - if (!retinfo) - return -EFAULT; - memset(&tmp, 0, sizeof(tmp)); - tmp.type = info->type; - tmp.line = info->line; - tmp.port = (unsigned int) info->addr; - tmp.irq = info->irq; - tmp.flags = info->flags; - tmp.baud_base = info->baud_base; - tmp.close_delay = info->close_delay; - tmp.closing_wait = info->closing_wait; - tmp.custom_divisor = info->custom_divisor; - return copy_to_user(retinfo,&tmp,sizeof(*retinfo)) ? -EFAULT : 0; -} - -static int set_serial_info(struct mcf_serial * info, - struct serial_struct * new_info) -{ - struct serial_struct new_serial; - struct mcf_serial old_info; - int retval = 0; - - if (!new_info) - return -EFAULT; - if (copy_from_user(&new_serial,new_info,sizeof(new_serial))) - return -EFAULT; - old_info = *info; - - if (!capable(CAP_SYS_ADMIN)) { - if ((new_serial.baud_base != info->baud_base) || - (new_serial.type != info->type) || - (new_serial.close_delay != info->close_delay) || - ((new_serial.flags & ~ASYNC_USR_MASK) != - (info->flags & ~ASYNC_USR_MASK))) - return -EPERM; - info->flags = ((info->flags & ~ASYNC_USR_MASK) | - (new_serial.flags & ASYNC_USR_MASK)); - info->custom_divisor = new_serial.custom_divisor; - goto check_and_exit; - } - - if (info->count > 1) - return -EBUSY; - - /* - * OK, past this point, all the error checking has been done. - * At this point, we start making changes..... - */ - - info->baud_base = new_serial.baud_base; - info->flags = ((info->flags & ~ASYNC_FLAGS) | - (new_serial.flags & ASYNC_FLAGS)); - info->type = new_serial.type; - info->close_delay = new_serial.close_delay; - info->closing_wait = new_serial.closing_wait; - -check_and_exit: - retval = startup(info); - return retval; -} - -/* - * get_lsr_info - get line status register info - * - * Purpose: Let user call ioctl() to get info when the UART physically - * is emptied. On bus types like RS485, the transmitter must - * release the bus after transmitting. This must be done when - * the transmit shift register is empty, not be done when the - * transmit holding register is empty. This functionality - * allows an RS485 driver to be written in user space. - */ -static int get_lsr_info(struct mcf_serial * info, unsigned int *value) -{ - volatile unsigned char *uartp; - unsigned long flags; - unsigned char status; - - local_irq_save(flags); - uartp = info->addr; - status = (uartp[MCFUART_USR] & MCFUART_USR_TXEMPTY) ? TIOCSER_TEMT : 0; - local_irq_restore(flags); - - return put_user(status,value); -} - -/* - * This routine sends a break character out the serial port. - */ -static void send_break( struct mcf_serial * info, int duration) -{ - volatile unsigned char *uartp; - unsigned long flags; - - if (!info->addr) - return; - set_current_state(TASK_INTERRUPTIBLE); - uartp = info->addr; - - local_irq_save(flags); - uartp[MCFUART_UCR] = MCFUART_UCR_CMDBREAKSTART; - schedule_timeout(duration); - uartp[MCFUART_UCR] = MCFUART_UCR_CMDBREAKSTOP; - local_irq_restore(flags); -} - -static int mcfrs_tiocmget(struct tty_struct *tty, struct file *file) -{ - struct mcf_serial * info = (struct mcf_serial *)tty->driver_data; - - if (serial_paranoia_check(info, tty->name, "mcfrs_ioctl")) - return -ENODEV; - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - - return mcfrs_getsignals(info); -} - -static int mcfrs_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) -{ - struct mcf_serial * info = (struct mcf_serial *)tty->driver_data; - int rts = -1, dtr = -1; - - if (serial_paranoia_check(info, tty->name, "mcfrs_ioctl")) - return -ENODEV; - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - - if (set & TIOCM_RTS) - rts = 1; - if (set & TIOCM_DTR) - dtr = 1; - if (clear & TIOCM_RTS) - rts = 0; - if (clear & TIOCM_DTR) - dtr = 0; - - mcfrs_setsignals(info, dtr, rts); - - return 0; -} - -static int mcfrs_ioctl(struct tty_struct *tty, struct file * file, - unsigned int cmd, unsigned long arg) -{ - struct mcf_serial * info = (struct mcf_serial *)tty->driver_data; - int retval, error; - - if (serial_paranoia_check(info, tty->name, "mcfrs_ioctl")) - return -ENODEV; - - if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && - (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD) && - (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) { - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - } - - switch (cmd) { - case TCSBRK: /* SVID version: non-zero arg --> no break */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - if (!arg) - send_break(info, HZ/4); /* 1/4 second */ - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - send_break(info, arg ? arg*(HZ/10) : HZ/4); - return 0; - case TIOCGSERIAL: - if (access_ok(VERIFY_WRITE, (void *) arg, - sizeof(struct serial_struct))) - return get_serial_info(info, - (struct serial_struct *) arg); - return -EFAULT; - case TIOCSSERIAL: - return set_serial_info(info, - (struct serial_struct *) arg); - case TIOCSERGETLSR: /* Get line status register */ - if (access_ok(VERIFY_WRITE, (void *) arg, - sizeof(unsigned int))) - return get_lsr_info(info, (unsigned int *) arg); - return -EFAULT; - case TIOCSERGSTRUCT: - error = copy_to_user((struct mcf_serial *) arg, - info, sizeof(struct mcf_serial)); - if (error) - return -EFAULT; - return 0; - -#ifdef TIOCSET422 - case TIOCSET422: { - unsigned int val; - get_user(val, (unsigned int *) arg); - mcf_setpa(MCFPP_PA11, (val ? 0 : MCFPP_PA11)); - break; - } - case TIOCGET422: { - unsigned int val; - val = (mcf_getpa() & MCFPP_PA11) ? 0 : 1; - put_user(val, (unsigned int *) arg); - break; - } -#endif - - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static void mcfrs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) -{ - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - - if (tty->termios->c_cflag == old_termios->c_cflag) - return; - - mcfrs_change_speed(info); - - if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; - mcfrs_setsignals(info, -1, 1); -#if 0 - mcfrs_start(tty); -#endif - } -} - -/* - * ------------------------------------------------------------ - * mcfrs_close() - * - * This routine is called when the serial port gets closed. First, we - * wait for the last remaining data to be sent. Then, we unlink its - * S structure from the interrupt chain if necessary, and we free - * that IRQ if nothing is left in the chain. - * ------------------------------------------------------------ - */ -static void mcfrs_close(struct tty_struct *tty, struct file * filp) -{ - volatile unsigned char *uartp; - struct mcf_serial *info = (struct mcf_serial *)tty->driver_data; - unsigned long flags; - - if (!info || serial_paranoia_check(info, tty->name, "mcfrs_close")) - return; - - local_irq_save(flags); - - if (tty_hung_up_p(filp)) { - local_irq_restore(flags); - return; - } - -#ifdef SERIAL_DEBUG_OPEN - printk("mcfrs_close ttyS%d, count = %d\n", info->line, info->count); -#endif - if ((tty->count == 1) && (info->count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - printk("MCFRS: bad serial port count; tty->count is 1, " - "info->count is %d\n", info->count); - info->count = 1; - } - if (--info->count < 0) { - printk("MCFRS: bad serial port count for ttyS%d: %d\n", - info->line, info->count); - info->count = 0; - } - if (info->count) { - local_irq_restore(flags); - return; - } - info->flags |= ASYNC_CLOSING; - - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent(tty, info->closing_wait); - - /* - * At this point we stop accepting input. To do this, we - * disable the receive line status interrupts, and tell the - * interrupt driver to stop checking the data ready bit in the - * line status register. - */ - info->imr &= ~MCFUART_UIR_RXREADY; - uartp = info->addr; - uartp[MCFUART_UIMR] = info->imr; - -#if 0 - /* FIXME: do we need to keep this enabled for console?? */ - if (mcfrs_console_inited && (mcfrs_console_port == info->line)) { - /* Do not disable the UART */ ; - } else -#endif - shutdown(info); - mcfrs_flush_buffer(tty); - tty_ldisc_flush(tty); - - tty->closing = 0; - info->event = 0; - info->port.tty = NULL; -#if 0 - if (tty->ldisc.num != ldiscs[N_TTY].num) { - if (tty->ldisc.close) - (tty->ldisc.close)(tty); - tty->ldisc = ldiscs[N_TTY]; - tty->termios->c_line = N_TTY; - if (tty->ldisc.open) - (tty->ldisc.open)(tty); - } -#endif - if (info->blocked_open) { - if (info->close_delay) { - msleep_interruptible(jiffies_to_msecs(info->close_delay)); - } - wake_up_interruptible(&info->open_wait); - } - info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); - local_irq_restore(flags); -} - -/* - * mcfrs_wait_until_sent() --- wait until the transmitter is empty - */ -static void -mcfrs_wait_until_sent(struct tty_struct *tty, int timeout) -{ -#ifdef CONFIG_M5272 -#define MCF5272_FIFO_SIZE 25 /* fifo size + shift reg */ - - struct mcf_serial * info = (struct mcf_serial *)tty->driver_data; - volatile unsigned char *uartp; - unsigned long orig_jiffies, fifo_time, char_time, fifo_cnt; - - if (serial_paranoia_check(info, tty->name, "mcfrs_wait_until_sent")) - return; - - orig_jiffies = jiffies; - - /* - * Set the check interval to be 1/5 of the approximate time - * to send the entire fifo, and make it at least 1. The check - * interval should also be less than the timeout. - * - * Note: we have to use pretty tight timings here to satisfy - * the NIST-PCTS. - */ - lock_kernel(); - - fifo_time = (MCF5272_FIFO_SIZE * HZ * 10) / info->baud; - char_time = fifo_time / 5; - if (char_time == 0) - char_time = 1; - if (timeout && timeout < char_time) - char_time = timeout; - - /* - * Clamp the timeout period at 2 * the time to empty the - * fifo. Just to be safe, set the minimum at .5 seconds. - */ - fifo_time *= 2; - if (fifo_time < (HZ/2)) - fifo_time = HZ/2; - if (!timeout || timeout > fifo_time) - timeout = fifo_time; - - /* - * Account for the number of bytes in the UART - * transmitter FIFO plus any byte being shifted out. - */ - uartp = (volatile unsigned char *) info->addr; - for (;;) { - fifo_cnt = (uartp[MCFUART_UTF] & MCFUART_UTF_TXB); - if ((uartp[MCFUART_USR] & (MCFUART_USR_TXREADY| - MCFUART_USR_TXEMPTY)) == - MCFUART_USR_TXREADY) - fifo_cnt++; - if (fifo_cnt == 0) - break; - msleep_interruptible(jiffies_to_msecs(char_time)); - if (signal_pending(current)) - break; - if (timeout && time_after(jiffies, orig_jiffies + timeout)) - break; - } - unlock_kernel(); -#else - /* - * For the other coldfire models, assume all data has been sent - */ -#endif -} - -/* - * mcfrs_hangup() --- called by tty_hangup() when a hangup is signaled. - */ -void mcfrs_hangup(struct tty_struct *tty) -{ - struct mcf_serial * info = (struct mcf_serial *)tty->driver_data; - - if (serial_paranoia_check(info, tty->name, "mcfrs_hangup")) - return; - - mcfrs_flush_buffer(tty); - shutdown(info); - info->event = 0; - info->count = 0; - info->flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - wake_up_interruptible(&info->open_wait); -} - -/* - * ------------------------------------------------------------ - * mcfrs_open() and friends - * ------------------------------------------------------------ - */ -static int block_til_ready(struct tty_struct *tty, struct file * filp, - struct mcf_serial *info) -{ - DECLARE_WAITQUEUE(wait, current); - int retval; - int do_clocal = 0; - - /* - * If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (info->flags & ASYNC_CLOSING) { - interruptible_sleep_on(&info->close_wait); -#ifdef SERIAL_DO_RESTART - if (info->flags & ASYNC_HUP_NOTIFY) - return -EAGAIN; - else - return -ERESTARTSYS; -#else - return -EAGAIN; -#endif - } - - /* - * If non-blocking mode is set, or the port is not enabled, - * then make the check up front and then exit. - */ - if ((filp->f_flags & O_NONBLOCK) || - (tty->flags & (1 << TTY_IO_ERROR))) { - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; - } - - if (tty->termios->c_cflag & CLOCAL) - do_clocal = 1; - - /* - * Block waiting for the carrier detect and the line to become - * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that - * mcfrs_close() knows when to free things. We restore it upon - * exit, either normal or abnormal. - */ - retval = 0; - add_wait_queue(&info->open_wait, &wait); -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready before block: ttyS%d, count = %d\n", - info->line, info->count); -#endif - info->count--; - info->blocked_open++; - while (1) { - local_irq_disable(); - mcfrs_setsignals(info, 1, 1); - local_irq_enable(); - current->state = TASK_INTERRUPTIBLE; - if (tty_hung_up_p(filp) || - !(info->flags & ASYNC_INITIALIZED)) { -#ifdef SERIAL_DO_RESTART - if (info->flags & ASYNC_HUP_NOTIFY) - retval = -EAGAIN; - else - retval = -ERESTARTSYS; -#else - retval = -EAGAIN; -#endif - break; - } - if (!(info->flags & ASYNC_CLOSING) && - (do_clocal || (mcfrs_getsignals(info) & TIOCM_CD))) - break; - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready blocking: ttyS%d, count = %d\n", - info->line, info->count); -#endif - schedule(); - } - current->state = TASK_RUNNING; - remove_wait_queue(&info->open_wait, &wait); - if (!tty_hung_up_p(filp)) - info->count++; - info->blocked_open--; -#ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready after blocking: ttyS%d, count = %d\n", - info->line, info->count); -#endif - if (retval) - return retval; - info->flags |= ASYNC_NORMAL_ACTIVE; - return 0; -} - -/* - * This routine is called whenever a serial port is opened. It - * enables interrupts for a serial port, linking in its structure into - * the IRQ chain. It also performs the serial-specific - * initialization for the tty structure. - */ -int mcfrs_open(struct tty_struct *tty, struct file * filp) -{ - struct mcf_serial *info; - int retval, line; - - line = tty->index; - if ((line < 0) || (line >= NR_PORTS)) - return -ENODEV; - info = mcfrs_table + line; - if (serial_paranoia_check(info, tty->name, "mcfrs_open")) - return -ENODEV; -#ifdef SERIAL_DEBUG_OPEN - printk("mcfrs_open %s, count = %d\n", tty->name, info->count); -#endif - info->count++; - tty->driver_data = info; - info->port.tty = tty; - - /* - * Start up serial port - */ - retval = startup(info); - if (retval) - return retval; - - retval = block_til_ready(tty, filp, info); - if (retval) { -#ifdef SERIAL_DEBUG_OPEN - printk("mcfrs_open returning after block_til_ready with %d\n", - retval); -#endif - return retval; - } - -#ifdef SERIAL_DEBUG_OPEN - printk("mcfrs_open %s successful...\n", tty->name); -#endif - return 0; -} - -/* - * Based on the line number set up the internal interrupt stuff. - */ -static void mcfrs_irqinit(struct mcf_serial *info) -{ -#if defined(CONFIG_M5272) - volatile unsigned long *icrp; - volatile unsigned long *portp; - volatile unsigned char *uartp; - - uartp = info->addr; - icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR2); - - switch (info->line) { - case 0: - *icrp = 0xe0000000; - break; - case 1: - *icrp = 0x0e000000; - break; - default: - printk("MCFRS: don't know how to handle UART %d interrupt?\n", - info->line); - return; - } - - /* Enable the output lines for the serial ports */ - portp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PBCNT); - *portp = (*portp & ~0x000000ff) | 0x00000055; - portp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PDCNT); - *portp = (*portp & ~0x000003fc) | 0x000002a8; -#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) - volatile unsigned char *icrp, *uartp; - volatile unsigned long *imrp; - - uartp = info->addr; - - icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 + - MCFINTC_ICR0 + MCFINT_UART0 + info->line); - *icrp = 0x30 + info->line; /* level 6, line based priority */ - - imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 + - MCFINTC_IMRL); - *imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1); -#if defined(CONFIG_M527x) - { - /* - * External Pin Mask Setting & Enable External Pin for Interface - * mrcbis@aliceposta.it - */ - u16 *serpin_enable_mask; - serpin_enable_mask = (u16 *) (MCF_IPSBAR + MCF_GPIO_PAR_UART); - if (info->line == 0) - *serpin_enable_mask |= UART0_ENABLE_MASK; - else if (info->line == 1) - *serpin_enable_mask |= UART1_ENABLE_MASK; - else if (info->line == 2) - *serpin_enable_mask |= UART2_ENABLE_MASK; - } -#endif -#if defined(CONFIG_M528x) - /* make sure PUAPAR is set for UART0 and UART1 */ - if (info->line < 2) { - volatile unsigned char *portp = (volatile unsigned char *) (MCF_MBAR + MCF5282_GPIO_PUAPAR); - *portp |= (0x03 << (info->line * 2)); - } -#endif -#elif defined(CONFIG_M520x) - volatile unsigned char *icrp, *uartp; - volatile unsigned long *imrp; - - uartp = info->addr; - - icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 + - MCFINTC_ICR0 + MCFINT_UART0 + info->line); - *icrp = 0x03; - - imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 + - MCFINTC_IMRL); - *imrp &= ~((1 << (info->irq - MCFINT_VECBASE)) | 1); - if (info->line < 2) { - unsigned short *uart_par; - uart_par = (unsigned short *)(MCF_IPSBAR + MCF_GPIO_PAR_UART); - if (info->line == 0) - *uart_par |= MCF_GPIO_PAR_UART_PAR_UTXD0 - | MCF_GPIO_PAR_UART_PAR_URXD0; - else if (info->line == 1) - *uart_par |= MCF_GPIO_PAR_UART_PAR_UTXD1 - | MCF_GPIO_PAR_UART_PAR_URXD1; - } else if (info->line == 2) { - unsigned char *feci2c_par; - feci2c_par = (unsigned char *)(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C); - *feci2c_par &= ~0x0F; - *feci2c_par |= MCF_GPIO_PAR_FECI2C_PAR_SCL_UTXD2 - | MCF_GPIO_PAR_FECI2C_PAR_SDA_URXD2; - } -#elif defined(CONFIG_M532x) - volatile unsigned char *uartp; - uartp = info->addr; - switch (info->line) { - case 0: - MCF_INTC0_ICR26 = 0x3; - MCF_INTC0_CIMR = 26; - /* GPIO initialization */ - MCF_GPIO_PAR_UART |= 0x000F; - break; - case 1: - MCF_INTC0_ICR27 = 0x3; - MCF_INTC0_CIMR = 27; - /* GPIO initialization */ - MCF_GPIO_PAR_UART |= 0x0FF0; - break; - case 2: - MCF_INTC0_ICR28 = 0x3; - MCF_INTC0_CIMR = 28; - /* GPIOs also must be initalized, depends on board */ - break; - } -#else - volatile unsigned char *icrp, *uartp; - - switch (info->line) { - case 0: - icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_UART1ICR); - *icrp = /*MCFSIM_ICR_AUTOVEC |*/ MCFSIM_ICR_LEVEL6 | - MCFSIM_ICR_PRI1; - mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1); - break; - case 1: - icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_UART2ICR); - *icrp = /*MCFSIM_ICR_AUTOVEC |*/ MCFSIM_ICR_LEVEL6 | - MCFSIM_ICR_PRI2; - mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2); - break; - default: - printk("MCFRS: don't know how to handle UART %d interrupt?\n", - info->line); - return; - } - - uartp = info->addr; - uartp[MCFUART_UIVR] = info->irq; -#endif - - /* Clear mask, so no surprise interrupts. */ - uartp[MCFUART_UIMR] = 0; - - if (request_irq(info->irq, mcfrs_interrupt, IRQF_DISABLED, - "ColdFire UART", NULL)) { - printk("MCFRS: Unable to attach ColdFire UART %d interrupt " - "vector=%d\n", info->line, info->irq); - } - - return; -} - - -char *mcfrs_drivername = "ColdFire internal UART serial driver version 1.00\n"; - - -/* - * Serial stats reporting... - */ -int mcfrs_readproc(char *page, char **start, off_t off, int count, - int *eof, void *data) -{ - struct mcf_serial *info; - char str[20]; - int len, sigs, i; - - len = sprintf(page, mcfrs_drivername); - for (i = 0; (i < NR_PORTS); i++) { - info = &mcfrs_table[i]; - len += sprintf((page + len), "%d: port:%x irq=%d baud:%d ", - i, (unsigned int) info->addr, info->irq, info->baud); - if (info->stats.rx || info->stats.tx) - len += sprintf((page + len), "tx:%d rx:%d ", - info->stats.tx, info->stats.rx); - if (info->stats.rxframing) - len += sprintf((page + len), "fe:%d ", - info->stats.rxframing); - if (info->stats.rxparity) - len += sprintf((page + len), "pe:%d ", - info->stats.rxparity); - if (info->stats.rxbreak) - len += sprintf((page + len), "brk:%d ", - info->stats.rxbreak); - if (info->stats.rxoverrun) - len += sprintf((page + len), "oe:%d ", - info->stats.rxoverrun); - - str[0] = str[1] = 0; - if ((sigs = mcfrs_getsignals(info))) { - if (sigs & TIOCM_RTS) - strcat(str, "|RTS"); - if (sigs & TIOCM_CTS) - strcat(str, "|CTS"); - if (sigs & TIOCM_DTR) - strcat(str, "|DTR"); - if (sigs & TIOCM_CD) - strcat(str, "|CD"); - } - - len += sprintf((page + len), "%s\n", &str[1]); - } - - return(len); -} - - -/* Finally, routines used to initialize the serial driver. */ - -static void show_serial_version(void) -{ - printk(mcfrs_drivername); -} - -static const struct tty_operations mcfrs_ops = { - .open = mcfrs_open, - .close = mcfrs_close, - .write = mcfrs_write, - .flush_chars = mcfrs_flush_chars, - .write_room = mcfrs_write_room, - .chars_in_buffer = mcfrs_chars_in_buffer, - .flush_buffer = mcfrs_flush_buffer, - .ioctl = mcfrs_ioctl, - .throttle = mcfrs_throttle, - .unthrottle = mcfrs_unthrottle, - .set_termios = mcfrs_set_termios, - .stop = mcfrs_stop, - .start = mcfrs_start, - .hangup = mcfrs_hangup, - .read_proc = mcfrs_readproc, - .wait_until_sent = mcfrs_wait_until_sent, - .tiocmget = mcfrs_tiocmget, - .tiocmset = mcfrs_tiocmset, -}; - -/* mcfrs_init inits the driver */ -static int __init -mcfrs_init(void) -{ - struct mcf_serial *info; - unsigned long flags; - int i; - - /* Setup base handler, and timer table. */ -#ifdef MCFPP_DCD0 - init_timer(&mcfrs_timer_struct); - mcfrs_timer_struct.function = mcfrs_timer; - mcfrs_timer_struct.data = 0; - mcfrs_timer_struct.expires = jiffies + HZ/25; - add_timer(&mcfrs_timer_struct); - mcfrs_ppstatus = mcf_getppdata() & (MCFPP_DCD0 | MCFPP_DCD1); -#endif - mcfrs_serial_driver = alloc_tty_driver(NR_PORTS); - if (!mcfrs_serial_driver) - return -ENOMEM; - - show_serial_version(); - - /* Initialize the tty_driver structure */ - mcfrs_serial_driver->owner = THIS_MODULE; - mcfrs_serial_driver->name = "ttyS"; - mcfrs_serial_driver->driver_name = "mcfserial"; - mcfrs_serial_driver->major = TTY_MAJOR; - mcfrs_serial_driver->minor_start = 64; - mcfrs_serial_driver->type = TTY_DRIVER_TYPE_SERIAL; - mcfrs_serial_driver->subtype = SERIAL_TYPE_NORMAL; - mcfrs_serial_driver->init_termios = tty_std_termios; - - mcfrs_serial_driver->init_termios.c_cflag = - mcfrs_console_cbaud | CS8 | CREAD | HUPCL | CLOCAL; - mcfrs_serial_driver->flags = TTY_DRIVER_REAL_RAW; - - tty_set_operations(mcfrs_serial_driver, &mcfrs_ops); - - if (tty_register_driver(mcfrs_serial_driver)) { - printk("MCFRS: Couldn't register serial driver\n"); - put_tty_driver(mcfrs_serial_driver); - return(-EBUSY); - } - - local_irq_save(flags); - - /* - * Configure all the attached serial ports. - */ - for (i = 0, info = mcfrs_table; (i < NR_PORTS); i++, info++) { - info->magic = SERIAL_MAGIC; - info->line = i; - info->port.tty = NULL; - info->custom_divisor = 16; - info->close_delay = 50; - info->closing_wait = 3000; - info->x_char = 0; - info->event = 0; - info->count = 0; - info->blocked_open = 0; - INIT_WORK(&info->tqueue, mcfrs_offintr); - INIT_WORK(&info->tqueue_hangup, do_serial_hangup); - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - - info->imr = 0; - mcfrs_setsignals(info, 0, 0); - mcfrs_irqinit(info); - - printk("ttyS%d at 0x%04x (irq = %d)", info->line, - (unsigned int) info->addr, info->irq); - printk(" is a builtin ColdFire UART\n"); - } - - local_irq_restore(flags); - return 0; -} - -module_init(mcfrs_init); - -/****************************************************************************/ -/* Serial Console */ -/****************************************************************************/ - -/* - * Quick and dirty UART initialization, for console output. - */ - -void mcfrs_init_console(void) -{ - volatile unsigned char *uartp; - unsigned int clk; - - /* - * Reset UART, get it into known state... - */ - uartp = (volatile unsigned char *) (MCF_MBAR + - (mcfrs_console_port ? MCFUART_BASE2 : MCFUART_BASE1)); - - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ - uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */ - - /* - * Set port for defined baud , 8 data bits, 1 stop bit, no parity. - */ - uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8; - uartp[MCFUART_UMR] = MCFUART_MR2_STOP1; - -#ifdef CONFIG_M5272 -{ - /* - * For the MCF5272, also compute the baudrate fraction. - */ - int fraction = MCF_BUSCLK - (clk * 32 * mcfrs_console_baud); - fraction *= 16; - fraction /= (32 * mcfrs_console_baud); - uartp[MCFUART_UFPD] = (fraction & 0xf); /* set fraction */ - clk = (MCF_BUSCLK / mcfrs_console_baud) / 32; -} -#else - clk = ((MCF_BUSCLK / mcfrs_console_baud) + 16) / 32; /* set baud */ -#endif - - uartp[MCFUART_UBG1] = (clk & 0xff00) >> 8; /* set msb baud */ - uartp[MCFUART_UBG2] = (clk & 0xff); /* set lsb baud */ - uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER; - uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE; - - mcfrs_console_inited++; - return; -} - - -/* - * Setup for console. Argument comes from the boot command line. - */ - -int mcfrs_console_setup(struct console *cp, char *arg) -{ - int i, n = CONSOLE_BAUD_RATE; - - if (!cp) - return(-1); - - if (!strncmp(cp->name, "ttyS", 4)) - mcfrs_console_port = cp->index; - else if (!strncmp(cp->name, "cua", 3)) - mcfrs_console_port = cp->index; - else - return(-1); - - if (arg) - n = simple_strtoul(arg,NULL,0); - for (i = 0; i < MCFRS_BAUD_TABLE_SIZE; i++) - if (mcfrs_baud_table[i] == n) - break; - if (i < MCFRS_BAUD_TABLE_SIZE) { - mcfrs_console_baud = n; - mcfrs_console_cbaud = 0; - if (i > 15) { - mcfrs_console_cbaud |= CBAUDEX; - i -= 15; - } - mcfrs_console_cbaud |= i; - } - mcfrs_init_console(); /* make sure baud rate changes */ - return(0); -} - - -static struct tty_driver *mcfrs_console_device(struct console *c, int *index) -{ - *index = c->index; - return mcfrs_serial_driver; -} - - -/* - * Output a single character, using UART polled mode. - * This is used for console output. - */ - -int mcfrs_put_char(char ch) -{ - volatile unsigned char *uartp; - unsigned long flags; - int i; - - uartp = (volatile unsigned char *) (MCF_MBAR + - (mcfrs_console_port ? MCFUART_BASE2 : MCFUART_BASE1)); - - local_irq_save(flags); - for (i = 0; (i < 0x10000); i++) { - if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY) - break; - } - if (i < 0x10000) { - uartp[MCFUART_UTB] = ch; - for (i = 0; (i < 0x10000); i++) - if (uartp[MCFUART_USR] & MCFUART_USR_TXEMPTY) - break; - } - if (i >= 0x10000) - mcfrs_init_console(); /* try and get it back */ - local_irq_restore(flags); - - return 1; -} - - -/* - * rs_console_write is registered for printk output. - */ - -void mcfrs_console_write(struct console *cp, const char *p, unsigned len) -{ - if (!mcfrs_console_inited) - mcfrs_init_console(); - while (len-- > 0) { - if (*p == '\n') - mcfrs_put_char('\r'); - mcfrs_put_char(*p++); - } -} - -/* - * declare our consoles - */ - -struct console mcfrs_console = { - .name = "ttyS", - .write = mcfrs_console_write, - .device = mcfrs_console_device, - .setup = mcfrs_console_setup, - .flags = CON_PRINTBUFFER, - .index = -1, -}; - -static int __init mcfrs_console_init(void) -{ - register_console(&mcfrs_console); - return 0; -} - -console_initcall(mcfrs_console_init); - -/****************************************************************************/ diff --git a/drivers/serial/mcfserial.h b/drivers/serial/mcfserial.h deleted file mode 100644 index 56420e2cb110..000000000000 --- a/drivers/serial/mcfserial.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * mcfserial.c -- serial driver for ColdFire internal UARTS. - * - * Copyright (c) 1999 Greg Ungerer - * Copyright (c) 2000-2001 Lineo, Inc. - * Copyright (c) 2002 SnapGear Inc., - * - * Based on code from 68332serial.c which was: - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 TSHG - * Copyright (c) 1999 Rt-Control Inc. - */ -#ifndef _MCF_SERIAL_H -#define _MCF_SERIAL_H - -#include - -#ifdef __KERNEL__ - -/* - * Define a local serial stats structure. - */ - -struct mcf_stats { - unsigned int rx; - unsigned int tx; - unsigned int rxbreak; - unsigned int rxframing; - unsigned int rxparity; - unsigned int rxoverrun; -}; - - -/* - * This is our internal structure for each serial port's state. - * Each serial port has one of these structures associated with it. - */ - -struct mcf_serial { - int magic; - volatile unsigned char *addr; /* UART memory address */ - int irq; - int flags; /* defined in tty.h */ - int type; /* UART type */ - struct tty_struct *tty; - unsigned char imr; /* Software imr register */ - unsigned int baud; - int sigs; - int custom_divisor; - int x_char; /* xon/xoff character */ - int baud_base; - int close_delay; - unsigned short closing_wait; - unsigned short closing_wait2; - unsigned long event; - int line; - int count; /* # of fd on device */ - int blocked_open; /* # of blocked opens */ - unsigned char *xmit_buf; - int xmit_head; - int xmit_tail; - int xmit_cnt; - struct mcf_stats stats; - struct work_struct tqueue; - struct work_struct tqueue_hangup; - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - -}; - -#endif /* __KERNEL__ */ - -#endif /* _MCF_SERIAL_H */ -- GitLab From 9ae7b08ad5c91baf9c223844bfd41ca9bc54917b Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:32:09 +0100 Subject: [PATCH 4324/6244] epca: call tty_port_init Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/epca.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 456e4ede049f..4998b2761e8f 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -1376,6 +1376,7 @@ static void post_fep_init(unsigned int crd) unsigned long flags; u16 tseg, rseg; + tty_port_init(&ch->port); ch->brdchan = bc; ch->mailbox = gd; INIT_WORK(&ch->tqueue, do_softint); @@ -1510,10 +1511,6 @@ static void post_fep_init(unsigned int crd) ch->fepstopca = 0; ch->close_delay = 50; - ch->port.count = 0; - ch->port.blocked_open = 0; - init_waitqueue_head(&ch->port.open_wait); - init_waitqueue_head(&ch->port.close_wait); spin_unlock_irqrestore(&epca_lock, flags); } -- GitLab From c111340002278c0425841b19477a1fd290a6f532 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 10:32:35 +0100 Subject: [PATCH 4325/6244] Blackfin Serial Driver: use __initdata for data, not __init Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/bfin_5xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 4a0d30bed9f1..4a023c65e9f4 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -1056,7 +1056,7 @@ static __init void early_serial_write(struct console *con, const char *s, } } -static struct __init console bfin_early_serial_console = { +static struct __initdata console bfin_early_serial_console = { .name = "early_BFuart", .write = early_serial_write, .device = uart_console_device, -- GitLab From ccfbc3e1c860cce62e0b1c6c291647ecfe9ef296 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 10:32:44 +0100 Subject: [PATCH 4326/6244] Blackfin Serial Driver: Fix bug - should suspend/resume/remove all uart ports. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/bfin_5xx.c | 39 ++++++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 17 deletions(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 4a023c65e9f4..04eeef05e93c 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -1100,20 +1100,26 @@ static struct uart_driver bfin_serial_reg = { static int bfin_serial_suspend(struct platform_device *dev, pm_message_t state) { - struct bfin_serial_port *uart = platform_get_drvdata(dev); + int i; - if (uart) - uart_suspend_port(&bfin_serial_reg, &uart->port); + for (i = 0; i < nr_ports; i++) { + if (bfin_serial_ports[i].port.dev != &dev->dev) + continue; + uart_suspend_port(&bfin_serial_reg, &bfin_serial_ports[i].port); + } return 0; } static int bfin_serial_resume(struct platform_device *dev) { - struct bfin_serial_port *uart = platform_get_drvdata(dev); + int i; - if (uart) - uart_resume_port(&bfin_serial_reg, &uart->port); + for (i = 0; i < nr_ports; i++) { + if (bfin_serial_ports[i].port.dev != &dev->dev) + continue; + uart_resume_port(&bfin_serial_reg, &bfin_serial_ports[i].port); + } return 0; } @@ -1133,27 +1139,26 @@ static int bfin_serial_probe(struct platform_device *dev) continue; bfin_serial_ports[i].port.dev = &dev->dev; uart_add_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port); - platform_set_drvdata(dev, &bfin_serial_ports[i]); } } return 0; } -static int bfin_serial_remove(struct platform_device *pdev) +static int bfin_serial_remove(struct platform_device *dev) { - struct bfin_serial_port *uart = platform_get_drvdata(pdev); - + int i; + for (i = 0; i < nr_ports; i++) { + if (bfin_serial_ports[i].port.dev != &dev->dev) + continue; + uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port); + bfin_serial_ports[i].port.dev = NULL; #ifdef CONFIG_SERIAL_BFIN_CTSRTS - gpio_free(uart->cts_pin); - gpio_free(uart->rts_pin); + gpio_free(bfin_serial_ports[i].cts_pin); + gpio_free(bfin_serial_ports[i].rts_pin); #endif - - platform_set_drvdata(pdev, NULL); - - if (uart) - uart_remove_one_port(&bfin_serial_reg, &uart->port); + } return 0; } -- GitLab From d273e201717af57ae56299ef1e6e2f7a1f812020 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 10:33:06 +0100 Subject: [PATCH 4327/6244] Blackfin Serial Driver: trim trailing whitespace -- no functional changes Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/bfin_5xx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 04eeef05e93c..976de91307c3 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -1,7 +1,7 @@ /* * Blackfin On-Chip Serial Driver * - * Copyright 2006-2007 Analog Devices Inc. + * Copyright 2006-2008 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ * @@ -126,13 +126,13 @@ static int kgdb_entry_state; void kgdb_put_debug_char(int chr) { struct bfin_serial_port *uart; - + if (CONFIG_KGDB_UART_PORT < 0 || CONFIG_KGDB_UART_PORT >= BFIN_UART_NR_PORTS) uart = &bfin_serial_ports[0]; else uart = &bfin_serial_ports[CONFIG_KGDB_UART_PORT]; - + while (!(UART_GET_LSR(uart) & THRE)) { SSYNC(); } @@ -152,7 +152,7 @@ int kgdb_get_debug_char(void) uart = &bfin_serial_ports[0]; else uart = &bfin_serial_ports[CONFIG_KGDB_UART_PORT]; - + while(!(UART_GET_LSR(uart) & DR)) { SSYNC(); } -- GitLab From c9607ecc6ee50445e4d6bd3165f372a0f20f91ce Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 10:33:16 +0100 Subject: [PATCH 4328/6244] Blackfin Serial Driver: move common variables out of serial headers and into the serial driver move common variables out of serial headers and into the serial driver and rename "nr_ports" to "nr_active_ports" so as to easily differentiate between BFIN_UART_NR_PORTS (the # of available) and nr_ports (the # of enabled) Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- .../mach-bf527/include/mach/bfin_serial_5xx.h | 3 --- .../mach-bf533/include/mach/bfin_serial_5xx.h | 2 -- .../mach-bf537/include/mach/bfin_serial_5xx.h | 3 --- .../mach-bf548/include/mach/bfin_serial_5xx.h | 3 --- .../mach-bf561/include/mach/bfin_serial_5xx.h | 2 -- drivers/serial/bfin_5xx.c | 17 ++++++++++------- 6 files changed, 10 insertions(+), 20 deletions(-) diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h index 2526b6ed6faa..a23d04750810 100644 --- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h @@ -119,7 +119,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -164,8 +163,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index ebf592b59aab..20471cd5ebfe 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -111,7 +111,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -142,7 +141,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #define DRIVER_NAME "bfin-uart" -int nr_ports = BFIN_UART_NR_PORTS; static void bfin_serial_hw_init(struct bfin_serial_port *uart) { diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h index 1bf56ffa22f9..08dfe30300b0 100644 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h @@ -119,7 +119,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -164,8 +163,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index 5e29446a8e03..76976b17b530 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -105,7 +105,6 @@ struct bfin_serial_port { #endif }; -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -170,8 +169,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #endif }; -int nr_ports = ARRAY_SIZE(bfin_serial_resource); - #define DRIVER_NAME "bfin-uart" static void bfin_serial_hw_init(struct bfin_serial_port *uart) diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index 8aa02780e642..6cddca4aa182 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -111,7 +111,6 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; @@ -142,7 +141,6 @@ struct bfin_serial_res bfin_serial_resource[] = { #define DRIVER_NAME "bfin-uart" -int nr_ports = BFIN_UART_NR_PORTS; static void bfin_serial_hw_init(struct bfin_serial_port *uart) { diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 976de91307c3..382fb8d728df 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -42,6 +42,9 @@ #define BFIN_SERIAL_MAJOR 204 #define BFIN_SERIAL_MINOR 64 +static struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; +static int nr_active_ports = ARRAY_SIZE(bfin_serial_resource); + /* * Setup for console. Argument comes from the menuconfig */ @@ -859,7 +862,7 @@ static void __init bfin_serial_init_ports(void) return; first = 0; - for (i = 0; i < nr_ports; i++) { + for (i = 0; i < nr_active_ports; i++) { bfin_serial_ports[i].port.uartclk = get_sclk(); bfin_serial_ports[i].port.ops = &bfin_serial_pops; bfin_serial_ports[i].port.line = i; @@ -961,7 +964,7 @@ bfin_serial_console_setup(struct console *co, char *options) * if so, search for the first available port that does have * console support. */ - if (co->index == -1 || co->index >= nr_ports) + if (co->index == -1 || co->index >= nr_active_ports) co->index = 0; uart = &bfin_serial_ports[co->index]; @@ -1072,7 +1075,7 @@ struct console __init *bfin_earlyserial_init(unsigned int port, struct bfin_serial_port *uart; struct ktermios t; - if (port == -1 || port >= nr_ports) + if (port == -1 || port >= nr_active_ports) port = 0; bfin_serial_init_ports(); bfin_early_serial_console.index = port; @@ -1102,7 +1105,7 @@ static int bfin_serial_suspend(struct platform_device *dev, pm_message_t state) { int i; - for (i = 0; i < nr_ports; i++) { + for (i = 0; i < nr_active_ports; i++) { if (bfin_serial_ports[i].port.dev != &dev->dev) continue; uart_suspend_port(&bfin_serial_reg, &bfin_serial_ports[i].port); @@ -1115,7 +1118,7 @@ static int bfin_serial_resume(struct platform_device *dev) { int i; - for (i = 0; i < nr_ports; i++) { + for (i = 0; i < nr_active_ports; i++) { if (bfin_serial_ports[i].port.dev != &dev->dev) continue; uart_resume_port(&bfin_serial_reg, &bfin_serial_ports[i].port); @@ -1134,7 +1137,7 @@ static int bfin_serial_probe(struct platform_device *dev) break; if (i < dev->num_resources) { - for (i = 0; i < nr_ports; i++, res++) { + for (i = 0; i < nr_active_ports; i++, res++) { if (bfin_serial_ports[i].port.mapbase != res->start) continue; bfin_serial_ports[i].port.dev = &dev->dev; @@ -1149,7 +1152,7 @@ static int bfin_serial_remove(struct platform_device *dev) { int i; - for (i = 0; i < nr_ports; i++) { + for (i = 0; i < nr_active_ports; i++) { if (bfin_serial_ports[i].port.dev != &dev->dev) continue; uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port); -- GitLab From 08668ab7c2ca9bed281eb6763e5a8e15384b7fdc Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 10:33:25 +0100 Subject: [PATCH 4329/6244] Blackfin Serial Driver: Remove useless stop Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/bfin_5xx.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 382fb8d728df..8d2d75706685 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -320,9 +320,6 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uart->port); - - if (uart_circ_empty(xmit)) - bfin_serial_stop_tx(&uart->port); } static irqreturn_t bfin_serial_rx_int(int irq, void *dev_id) -- GitLab From 5ffdeea2f99ed9d46bf954c9fdc64da7da57e81b Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 10:33:33 +0100 Subject: [PATCH 4330/6244] Blackfin Serial Driver: Fix bug - Don't call tx_stop in tx_transfer. Disable irq and return immediately. Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/bfin_5xx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 8d2d75706685..5e20f50342a9 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -301,7 +301,11 @@ static void bfin_serial_tx_chars(struct bfin_serial_port *uart) bfin_serial_mctrl_check(uart); if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) { - bfin_serial_stop_tx(&uart->port); +#ifdef CONFIG_BF54x + /* Clear TFI bit */ + UART_PUT_LSR(uart, TFI); +#endif + UART_CLEAR_IER(uart, ETBEI); return; } -- GitLab From b3ef5aba64aed5be0fccca3ff39c8f2282111ce5 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Mon, 13 Oct 2008 10:33:42 +0100 Subject: [PATCH 4331/6244] Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UART We now use the sir_dev/irtty_sir/uart/bfin_serial drivers framework to monitor the TX status. Signed-off-by: Graf Yang Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h | 3 +++ arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h | 2 ++ arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h | 3 +++ arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h | 3 +++ arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h | 2 ++ drivers/serial/bfin_5xx.c | 4 ++++ 6 files changed, 17 insertions(+) diff --git a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h index a23d04750810..75722d6008b0 100644 --- a/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf527/include/mach/bfin_serial_5xx.h @@ -78,6 +78,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index 20471cd5ebfe..815bfe5dd1a9 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -69,6 +69,8 @@ # endif #endif +#define BFIN_UART_TX_FIFO_SIZE 2 + struct bfin_serial_port { struct uart_port port; unsigned int old_status; diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h index 08dfe30300b0..b3f87e1d16a2 100644 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h @@ -78,6 +78,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ diff --git a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h index 76976b17b530..e4cf35e7ab9f 100644 --- a/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf548/include/mach/bfin_serial_5xx.h @@ -82,6 +82,9 @@ # define CONFIG_UART1_RTS_PIN -1 # endif #endif + +#define BFIN_UART_TX_FIFO_SIZE 2 + /* * The pin configuration is different from schematic */ diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index 6cddca4aa182..e0ce0c1843d4 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -69,6 +69,8 @@ # endif #endif +#define BFIN_UART_TX_FIFO_SIZE 2 + struct bfin_serial_port { struct uart_port port; unsigned int old_status; diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 5e20f50342a9..a5cf0e70b3f6 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -761,6 +761,9 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, val |= UCEN; UART_PUT_GCTL(uart, val); + /* Port speed changed, update the per-port timeout. */ + uart_update_timeout(port, termios->c_cflag, baud); + spin_unlock_irqrestore(&uart->port.lock, flags); } @@ -865,6 +868,7 @@ static void __init bfin_serial_init_ports(void) for (i = 0; i < nr_active_ports; i++) { bfin_serial_ports[i].port.uartclk = get_sclk(); + bfin_serial_ports[i].port.fifosize = BFIN_UART_TX_FIFO_SIZE; bfin_serial_ports[i].port.ops = &bfin_serial_pops; bfin_serial_ports[i].port.line = i; bfin_serial_ports[i].port.iotype = UPIO_MEM; -- GitLab From ab2375f2fe256358a982e357d298801cf1adbd00 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 10:33:51 +0100 Subject: [PATCH 4332/6244] Blackfin Serial Driver: Fix bug - request UART2/3 peripheral mapped interrupts in PIO mode Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- arch/blackfin/kernel/bfin_dma_5xx.c | 13 ++++---- drivers/serial/bfin_5xx.c | 50 +++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+), 7 deletions(-) diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 93229b3d6e3e..339293d677cc 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -117,15 +117,14 @@ int request_dma(unsigned int channel, char *device_id) #ifdef CONFIG_BF54x if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) { - if (strncmp(device_id, "BFIN_UART", 9) == 0) { - dma_ch[channel].regs->peripheral_map &= 0x0FFF; - dma_ch[channel].regs->peripheral_map |= + unsigned int per_map; + per_map = dma_ch[channel].regs->peripheral_map & 0xFFF; + if (strncmp(device_id, "BFIN_UART", 9) == 0) + dma_ch[channel].regs->peripheral_map = per_map | ((channel - CH_UART2_RX + 0xC)<<12); - } else { - dma_ch[channel].regs->peripheral_map &= 0x0FFF; - dma_ch[channel].regs->peripheral_map |= + else + dma_ch[channel].regs->peripheral_map = per_map | ((channel - CH_UART2_RX + 0x6)<<12); - } } #endif diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index a5cf0e70b3f6..569f0e2476c6 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -649,6 +649,42 @@ static int bfin_serial_startup(struct uart_port *port) free_irq(uart->port.irq, uart); return -EBUSY; } + +# ifdef CONFIG_BF54x + { + unsigned uart_dma_ch_rx, uart_dma_ch_tx; + + switch (uart->port.irq) { + case IRQ_UART3_RX: + uart_dma_ch_rx = CH_UART3_RX; + uart_dma_ch_tx = CH_UART3_TX; + break; + case IRQ_UART2_RX: + uart_dma_ch_rx = CH_UART2_RX; + uart_dma_ch_tx = CH_UART2_TX; + break; + default: + uart_dma_ch_rx = uart_dma_ch_tx = 0; + break; + }; + + if (uart_dma_ch_rx && + request_dma(uart_dma_ch_rx, "BFIN_UART_RX") < 0) { + printk(KERN_NOTICE"Fail to attach UART interrupt\n"); + free_irq(uart->port.irq, uart); + free_irq(uart->port.irq + 1, uart); + return -EBUSY; + } + if (uart_dma_ch_tx && + request_dma(uart_dma_ch_tx, "BFIN_UART_TX") < 0) { + printk(KERN_NOTICE "Fail to attach UART interrupt\n"); + free_dma(uart_dma_ch_rx); + free_irq(uart->port.irq, uart); + free_irq(uart->port.irq + 1, uart); + return -EBUSY; + } + } +# endif #endif UART_SET_IER(uart, ERBFI); return 0; @@ -666,6 +702,20 @@ static void bfin_serial_shutdown(struct uart_port *port) del_timer(&(uart->rx_dma_timer)); dma_free_coherent(NULL, PAGE_SIZE, uart->rx_dma_buf.buf, 0); #else +#ifdef CONFIG_BF54x + switch (uart->port.irq) { + case IRQ_UART3_RX: + free_dma(CH_UART3_RX); + free_dma(CH_UART3_TX); + break; + case IRQ_UART2_RX: + free_dma(CH_UART2_RX); + free_dma(CH_UART2_TX); + break; + default: + break; + }; +#endif #ifdef CONFIG_KGDB_UART if (uart->port.line != CONFIG_KGDB_UART_PORT) #endif -- GitLab From 7aef709bf6f7a0886ee044960a7a86ea76dc6e2b Mon Sep 17 00:00:00 2001 From: Scott Ashcroft Date: Mon, 13 Oct 2008 10:34:00 +0100 Subject: [PATCH 4333/6244] Fix oti6858 debug level For some reason the oti6858 driver undefines and redefines the dbg macro. This makes it spew debugging messages at KERN_INFO instead of KERN_DEBUG. This patch removes the undef and define making the driver log like every other USB serial driver. Signed-off-by: Scott Ashcroft Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/usb/serial/oti6858.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index 81db5715ee25..42f92815c6e5 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -224,10 +224,6 @@ struct oti6858_private { struct usb_serial_port *port; /* USB port with which associated */ }; -#undef dbg -/* #define dbg(format, arg...) printk(KERN_INFO "%s: " format "\n", __FILE__, ## arg) */ -#define dbg(format, arg...) printk(KERN_INFO "" format "\n", ## arg) - static void setup_line(struct work_struct *work) { struct oti6858_private *priv = container_of(work, -- GitLab From 24e6fd4cdc841176ca3713fddc9a02bd128b1191 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:09 +0100 Subject: [PATCH 4334/6244] Char: cyclades. remove bogus iomap readl/writel are not expected to accept iomap return value. Replace bogus mapping by standard ioremap. Signed-off-by: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/cyclades.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index fe6d774fe2e4..5e5b1dc1a0a7 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -4993,12 +4993,14 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev, device_id == PCI_DEVICE_ID_CYCLOM_Y_Hi) { card_name = "Cyclom-Y"; - addr0 = pci_iomap(pdev, 0, CyPCI_Yctl); + addr0 = ioremap_nocache(pci_resource_start(pdev, 0), + CyPCI_Yctl); if (addr0 == NULL) { dev_err(&pdev->dev, "can't remap ctl region\n"); goto err_reg; } - addr2 = pci_iomap(pdev, 2, CyPCI_Ywin); + addr2 = ioremap_nocache(pci_resource_start(pdev, 2), + CyPCI_Ywin); if (addr2 == NULL) { dev_err(&pdev->dev, "can't remap base region\n"); goto err_unmap; @@ -5013,7 +5015,8 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev, } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Hi) { struct RUNTIME_9060 __iomem *ctl_addr; - ctl_addr = addr0 = pci_iomap(pdev, 0, CyPCI_Zctl); + ctl_addr = addr0 = ioremap_nocache(pci_resource_start(pdev, 0), + CyPCI_Zctl); if (addr0 == NULL) { dev_err(&pdev->dev, "can't remap ctl region\n"); goto err_reg; @@ -5026,8 +5029,8 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev, mailbox = (u32)readl(&ctl_addr->mail_box_0); - addr2 = pci_iomap(pdev, 2, mailbox == ZE_V1 ? - CyPCI_Ze_win : CyPCI_Zwin); + addr2 = ioremap_nocache(pci_resource_start(pdev, 2), + mailbox == ZE_V1 ? CyPCI_Ze_win : CyPCI_Zwin); if (addr2 == NULL) { dev_err(&pdev->dev, "can't remap base region\n"); goto err_unmap; @@ -5159,9 +5162,9 @@ err_null: cy_card[card_no].base_addr = NULL; free_irq(irq, &cy_card[card_no]); err_unmap: - pci_iounmap(pdev, addr0); + iounmap(addr0); if (addr2) - pci_iounmap(pdev, addr2); + iounmap(addr2); err_reg: pci_release_regions(pdev); err_dis: @@ -5186,9 +5189,9 @@ static void __devexit cy_pci_remove(struct pci_dev *pdev) cy_writew(cinfo->ctl_addr + 0x68, readw(cinfo->ctl_addr + 0x68) & ~0x0900); - pci_iounmap(pdev, cinfo->base_addr); + iounmap(cinfo->base_addr); if (cinfo->ctl_addr) - pci_iounmap(pdev, cinfo->ctl_addr); + iounmap(cinfo->ctl_addr); if (cinfo->irq #ifndef CONFIG_CYZ_INTR && !IS_CYC_Z(*cinfo) -- GitLab From 1361b7d3592b006574fb3cfeb21a02d520cca315 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:18 +0100 Subject: [PATCH 4335/6244] Char: sx, fix io unmapping board->base is increased for CF cards after mapping. Use board->base2 for unmapping the region, since it holds the original/correct address. Signed-off-by: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/sx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/sx.c b/drivers/char/sx.c index c385206f9db5..5b8d7a1aa3e6 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -2504,7 +2504,7 @@ static void __devexit sx_remove_card(struct sx_board *board, del_timer(&board->timer); if (pdev) { #ifdef CONFIG_PCI - pci_iounmap(pdev, board->base); + pci_iounmap(pdev, board->base2); pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2); #endif } else { @@ -2703,7 +2703,7 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev, return 0; err_unmap: - pci_iounmap(pdev, board->base); + pci_iounmap(pdev, board->base2); err_reg: pci_release_region(pdev, reg); err_flag: -- GitLab From 47babd4c6a16915aeb15d4216d91f03910572982 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:27 +0100 Subject: [PATCH 4336/6244] Char: merge ip2main and ip2base It's pretty useless to have one setup() function separated along with module_init() which only calls a function from ip2main anyway. Get rid of ip2base. Remove also checks of always-true now. Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/Makefile | 2 +- drivers/char/ip2/ip2base.c | 108 ------------------------------------- drivers/char/ip2/ip2main.c | 92 +++++++++++++++++++++++++------ 3 files changed, 77 insertions(+), 125 deletions(-) delete mode 100644 drivers/char/ip2/ip2base.c diff --git a/drivers/char/ip2/Makefile b/drivers/char/ip2/Makefile index 939618f62fe1..bc397d92b499 100644 --- a/drivers/char/ip2/Makefile +++ b/drivers/char/ip2/Makefile @@ -4,5 +4,5 @@ obj-$(CONFIG_COMPUTONE) += ip2.o -ip2-objs := ip2base.o ip2main.o +ip2-objs := ip2main.o diff --git a/drivers/char/ip2/ip2base.c b/drivers/char/ip2/ip2base.c deleted file mode 100644 index 8155e247c04b..000000000000 --- a/drivers/char/ip2/ip2base.c +++ /dev/null @@ -1,108 +0,0 @@ -// ip2.c -// This is a dummy module to make the firmware available when needed -// and allows it to be unloaded when not. Rumor is the __initdata -// macro doesn't always works on all platforms so we use this kludge. -// If not compiled as a module it just makes fip_firm avaliable then -// __initdata should work as advertized -// - -#include -#include -#include - -#ifndef __init -#define __init -#endif -#ifndef __initfunc -#define __initfunc(a) a -#endif -#ifndef __initdata -#define __initdata -#endif - -#include "ip2types.h" - -int -ip2_loadmain(int *, int *); // ref into ip2main.c - -/* Note: Add compiled in defaults to these arrays, not to the structure - in ip2.h any longer. That structure WILL get overridden - by these values, or command line values, or insmod values!!! =mhw= -*/ -static int io[IP2_MAX_BOARDS]= { 0, 0, 0, 0 }; -static int irq[IP2_MAX_BOARDS] = { -1, -1, -1, -1 }; - -static int poll_only = 0; - -MODULE_AUTHOR("Doug McNash"); -MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(irq,"Interrupts for IntelliPort Cards"); -module_param_array(io, int, NULL, 0); -MODULE_PARM_DESC(io,"I/O ports for IntelliPort Cards"); -module_param(poll_only, bool, 0); -MODULE_PARM_DESC(poll_only,"Do not use card interrupts"); - - -static int __init ip2_init(void) -{ - if( poll_only ) { - /* Hard lock the interrupts to zero */ - irq[0] = irq[1] = irq[2] = irq[3] = 0; - } - - return ip2_loadmain(io, irq); -} -module_init(ip2_init); - -MODULE_LICENSE("GPL"); - -#ifndef MODULE -/****************************************************************************** - * ip2_setup: - * str: kernel command line string - * - * Can't autoprobe the boards so user must specify configuration on - * kernel command line. Sane people build it modular but the others - * come here. - * - * Alternating pairs of io,irq for up to 4 boards. - * ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3 - * - * io=0 => No board - * io=1 => PCI - * io=2 => EISA - * else => ISA I/O address - * - * irq=0 or invalid for ISA will revert to polling mode - * - * Any value = -1, do not overwrite compiled in value. - * - ******************************************************************************/ -static int __init ip2_setup(char *str) -{ - int ints[10]; /* 4 boards, 2 parameters + 2 */ - int i, j; - - str = get_options (str, ARRAY_SIZE(ints), ints); - - for( i = 0, j = 1; i < 4; i++ ) { - if( j > ints[0] ) { - break; - } - if( ints[j] >= 0 ) { - io[i] = ints[j]; - } - j++; - if( j > ints[0] ) { - break; - } - if( ints[j] >= 0 ) { - irq[i] = ints[j]; - } - j++; - } - return 1; -} -__setup("ip2=", ip2_setup); -#endif /* !MODULE */ diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 689f9dcd3b86..79bca611d429 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -157,9 +157,6 @@ static char *pcVersion = "1.2.14"; static char *pcDriver_name = "ip2"; static char *pcIpl = "ip2ipl"; -// cheezy kludge or genius - you decide? -int ip2_loadmain(int *, int *); - /***********************/ /* Function Prototypes */ /***********************/ @@ -287,6 +284,7 @@ static int tracewrap; MODULE_AUTHOR("Doug McNash"); MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); +MODULE_LICENSE("GPL"); static int poll_only = 0; @@ -297,6 +295,22 @@ static int iindx; static char rirqs[IP2_MAX_BOARDS]; static int Valid_Irqs[] = { 3, 4, 5, 7, 10, 11, 12, 15, 0}; +/* Note: Add compiled in defaults to these arrays, not to the structure + in ip2.h any longer. That structure WILL get overridden + by these values, or command line values, or insmod values!!! =mhw= +*/ +static int io[IP2_MAX_BOARDS]; +static int irq[IP2_MAX_BOARDS] = { -1, -1, -1, -1 }; + +MODULE_AUTHOR("Doug McNash"); +MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); +module_param_array(irq, int, NULL, 0); +MODULE_PARM_DESC(irq, "Interrupts for IntelliPort Cards"); +module_param_array(io, int, NULL, 0); +MODULE_PARM_DESC(io, "I/O ports for IntelliPort Cards"); +module_param(poll_only, bool, 0); +MODULE_PARM_DESC(poll_only, "Do not use card interrupts"); + /* for sysfs class support */ static struct class *ip2_class; @@ -494,8 +508,53 @@ static const struct firmware *ip2_request_firmware(void) return fw; } -int -ip2_loadmain(int *iop, int *irqp) +#ifndef MODULE +/****************************************************************************** + * ip2_setup: + * str: kernel command line string + * + * Can't autoprobe the boards so user must specify configuration on + * kernel command line. Sane people build it modular but the others + * come here. + * + * Alternating pairs of io,irq for up to 4 boards. + * ip2=io0,irq0,io1,irq1,io2,irq2,io3,irq3 + * + * io=0 => No board + * io=1 => PCI + * io=2 => EISA + * else => ISA I/O address + * + * irq=0 or invalid for ISA will revert to polling mode + * + * Any value = -1, do not overwrite compiled in value. + * + ******************************************************************************/ +static int __init ip2_setup(char *str) +{ + int j, ints[10]; /* 4 boards, 2 parameters + 2 */ + unsigned int i; + + str = get_options(str, ARRAY_SIZE(ints), ints); + + for (i = 0, j = 1; i < 4; i++) { + if (j > ints[0]) + break; + if (ints[j] >= 0) + io[i] = ints[j]; + j++; + if (j > ints[0]) + break; + if (ints[j] >= 0) + irq[i] = ints[j]; + j++; + } + return 1; +} +__setup("ip2=", ip2_setup); +#endif /* !MODULE */ + +static int ip2_loadmain(void) { int i, j, box; int err = 0; @@ -505,6 +564,11 @@ ip2_loadmain(int *iop, int *irqp) static struct pci_dev *pci_dev_i = NULL; const struct firmware *fw = NULL; + if (poll_only) { + /* Hard lock the interrupts to zero */ + irq[0] = irq[1] = irq[2] = irq[3] = poll_only = 0; + } + ip2trace (ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0 ); /* process command line arguments to modprobe or @@ -512,14 +576,11 @@ ip2_loadmain(int *iop, int *irqp) /* irqp and iop should ALWAYS be specified now... But we check them individually just to be sure, anyways... */ for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if (iop) { - ip2config.addr[i] = iop[i]; - if (irqp) { - if( irqp[i] >= 0 ) { - ip2config.irq[i] = irqp[i]; - } else { - ip2config.irq[i] = 0; - } + ip2config.addr[i] = io[i]; + if (irq[i] >= 0) + ip2config.irq[i] = irq[i]; + else + ip2config.irq[i] = 0; // This is a little bit of a hack. If poll_only=1 on command // line back in ip2.c OR all IRQs on all specified boards are // explicitly set to 0, then drop to poll only mode and override @@ -531,9 +592,7 @@ ip2_loadmain(int *iop, int *irqp) // to -1, is to use 0 as a hard coded, do not probe. // // /\/\|=mhw=|\/\/ - poll_only |= irqp[i]; - } - } + poll_only |= irq[i]; } poll_only = !poll_only; @@ -783,6 +842,7 @@ out_chrdev: out: return err; } +module_init(ip2_loadmain); /******************************************************************************/ /* Function: ip2_init_board() */ -- GitLab From cf176bc30289f1e3ed858bc7630766cbd7d68a86 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:36 +0100 Subject: [PATCH 4337/6244] ip2: cleanup globals - do not init .bss zeroed data to zero again (by memset or explicit assignment) - use char [] instead of char * for string constants Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/ip2main.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 79bca611d429..1d4628499641 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -150,12 +150,12 @@ static int ip2_read_proc(char *, char **, off_t, int, int *, void * ); /*************/ /* String constants to identify ourselves */ -static char *pcName = "Computone IntelliPort Plus multiport driver"; -static char *pcVersion = "1.2.14"; +static const char pcName[] = "Computone IntelliPort Plus multiport driver"; +static const char pcVersion[] = "1.2.14"; /* String constants for port names */ -static char *pcDriver_name = "ip2"; -static char *pcIpl = "ip2ipl"; +static const char pcDriver_name[] = "ip2"; +static const char pcIpl[] = "ip2ipl"; /***********************/ /* Function Prototypes */ @@ -237,8 +237,8 @@ static const struct file_operations ip2_ipl = { .open = ip2_ipl_open, }; -static unsigned long irq_counter = 0; -static unsigned long bh_counter = 0; +static unsigned long irq_counter; +static unsigned long bh_counter; // Use immediate queue to service interrupts #define USE_IQI @@ -286,7 +286,7 @@ MODULE_AUTHOR("Doug McNash"); MODULE_DESCRIPTION("Computone IntelliPort Plus Driver"); MODULE_LICENSE("GPL"); -static int poll_only = 0; +static int poll_only; static int Eisa_irq; static int Eisa_slot; @@ -615,10 +615,6 @@ static int ip2_loadmain(void) /* Initialise the iiEllis subsystem. */ iiEllisInit(); - /* Initialize arrays. */ - memset( i2BoardPtrTable, 0, sizeof i2BoardPtrTable ); - memset( DevTable, 0, sizeof DevTable ); - /* Initialise all the boards we can find (up to the maximum). */ for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { switch ( ip2config.addr[i] ) { -- GitLab From 7ccd7020ef188b62781fe2f0a68131aa066d59a5 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:45 +0100 Subject: [PATCH 4338/6244] ip2: fix sparse warnings Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/ip2main.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 1d4628499641..098c9de3022d 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -375,9 +375,7 @@ have_requested_irq( char irq ) /* handle subsequent installations of the driver. All memory allocated by the */ /* driver should be returned since it may be unloaded from memory. */ /******************************************************************************/ -#ifdef MODULE -void __exit -ip2_cleanup_module(void) +static void __exit ip2_cleanup_module(void) { int err; int i; @@ -431,7 +429,8 @@ ip2_cleanup_module(void) ip2config.pci_dev[i] = NULL; } #endif - if ((pB = i2BoardPtrTable[i]) != 0 ) { + pB = i2BoardPtrTable[i]; + if (pB != NULL) { kfree ( pB ); i2BoardPtrTable[i] = NULL; } @@ -448,7 +447,6 @@ ip2_cleanup_module(void) #endif } module_exit(ip2_cleanup_module); -#endif /* MODULE */ static const struct tty_operations ip2_ops = { .open = ip2_open, @@ -1255,9 +1253,8 @@ ip2_polled_interrupt(void) { int i; i2eBordStrPtr pB; - const int irq = 0; - ip2trace (ITRC_NO_PORT, ITRC_INTR, 99, 1, irq ); + ip2trace(ITRC_NO_PORT, ITRC_INTR, 99, 1, 0); /* Service just the boards on the list using this irq */ for( i = 0; i < i2nBoards; ++i ) { @@ -1266,9 +1263,8 @@ ip2_polled_interrupt(void) // Only process those boards which match our IRQ. // IRQ = 0 for polled boards, we won't poll "IRQ" boards - if ( pB && (pB->i2eUsingIrq == irq) ) { + if (pB && pB->i2eUsingIrq == 0) ip2_irq_work(pB); - } } ++irq_counter; -- GitLab From f1ddfd950221cca4d7ba753a71bc4b8930a42a43 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 13 Oct 2008 10:34:56 +0100 Subject: [PATCH 4339/6244] ip2: init/deinit cleanup Cleanup of module_init/exit: - mostly whitespace - remove empty functions - replace c++ comments - remove useless prints (module loaded, unloaded) - mark the calls as __exit and __init - use break; and return; to save some indent levels after it - note resource leakage It's still mess, but now it's readable. Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/i2ellis.c | 32 --- drivers/char/ip2/i2ellis.h | 2 - drivers/char/ip2/ip2main.c | 415 ++++++++++++++++++------------------- 3 files changed, 198 insertions(+), 251 deletions(-) diff --git a/drivers/char/ip2/i2ellis.c b/drivers/char/ip2/i2ellis.c index 3601017f58cf..29db44de399f 100644 --- a/drivers/char/ip2/i2ellis.c +++ b/drivers/char/ip2/i2ellis.c @@ -68,38 +68,6 @@ static DEFINE_RWLOCK(Dl_spinlock); // iiInitialize //======================================================= -//****************************************************************************** -// Function: iiEllisInit() -// Parameters: None -// -// Returns: Nothing -// -// Description: -// -// This routine performs any required initialization of the iiEllis subsystem. -// -//****************************************************************************** -static void -iiEllisInit(void) -{ -} - -//****************************************************************************** -// Function: iiEllisCleanup() -// Parameters: None -// -// Returns: Nothing -// -// Description: -// -// This routine performs any required cleanup of the iiEllis subsystem. -// -//****************************************************************************** -static void -iiEllisCleanup(void) -{ -} - //****************************************************************************** // Function: iiSetAddress(pB, address, delay) // Parameters: pB - pointer to the board structure diff --git a/drivers/char/ip2/i2ellis.h b/drivers/char/ip2/i2ellis.h index c88a64e527aa..fb6df2456018 100644 --- a/drivers/char/ip2/i2ellis.h +++ b/drivers/char/ip2/i2ellis.h @@ -511,7 +511,6 @@ typedef void (*delayFunc_t)(unsigned int); // // Initialization of a board & structure is in four (five!) parts: // -// 0) iiEllisInit() - Initialize iiEllis subsystem. // 1) iiSetAddress() - Define the board address & delay function for a board. // 2) iiReset() - Reset the board (provided it exists) // -- Note you may do this to several boards -- @@ -523,7 +522,6 @@ typedef void (*delayFunc_t)(unsigned int); // loadware. To change loadware, you must begin again with step 2, resetting // the board again (step 1 not needed). -static void iiEllisInit(void); static int iiSetAddress(i2eBordStrPtr, int, delayFunc_t ); static int iiReset(i2eBordStrPtr); static int iiResetDelay(i2eBordStrPtr); diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 098c9de3022d..39269d19a02d 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -314,31 +314,27 @@ MODULE_PARM_DESC(poll_only, "Do not use card interrupts"); /* for sysfs class support */ static struct class *ip2_class; -// Some functions to keep track of what irq's we have +/* Some functions to keep track of what irqs we have */ -static int -is_valid_irq(int irq) +static int __init is_valid_irq(int irq) { int *i = Valid_Irqs; - while ((*i != 0) && (*i != irq)) { + while (*i != 0 && *i != irq) i++; - } - return (*i); + + return *i; } -static void -mark_requested_irq( char irq ) +static void __init mark_requested_irq(char irq) { rirqs[iindx++] = irq; } -#ifdef MODULE -static int -clear_requested_irq( char irq ) +static int __exit clear_requested_irq(char irq) { int i; - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) { if (rirqs[i] == irq) { rirqs[i] = 0; return 1; @@ -346,17 +342,15 @@ clear_requested_irq( char irq ) } return 0; } -#endif -static int -have_requested_irq( char irq ) +static int have_requested_irq(char irq) { - // array init to zeros so 0 irq will not be requested as a side effect + /* array init to zeros so 0 irq will not be requested as a side + * effect */ int i; - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) if (rirqs[i] == irq) return 1; - } return 0; } @@ -380,46 +374,44 @@ static void __exit ip2_cleanup_module(void) int err; int i; -#ifdef IP2DEBUG_INIT - printk (KERN_DEBUG "Unloading %s: version %s\n", pcName, pcVersion ); -#endif /* Stop poll timer if we had one. */ - if ( TimerOn ) { - del_timer ( &PollTimer ); + if (TimerOn) { + del_timer(&PollTimer); TimerOn = 0; } /* Reset the boards we have. */ - for( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( i2BoardPtrTable[i] ) { - iiReset( i2BoardPtrTable[i] ); - } - } + for (i = 0; i < IP2_MAX_BOARDS; i++) + if (i2BoardPtrTable[i]) + iiReset(i2BoardPtrTable[i]); /* The following is done at most once, if any boards were installed. */ - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( i2BoardPtrTable[i] ) { - iiResetDelay( i2BoardPtrTable[i] ); + for (i = 0; i < IP2_MAX_BOARDS; i++) { + if (i2BoardPtrTable[i]) { + iiResetDelay(i2BoardPtrTable[i]); /* free io addresses and Tibet */ - release_region( ip2config.addr[i], 8 ); + release_region(ip2config.addr[i], 8); device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i)); - device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i + 1)); + device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, + 4 * i + 1)); } /* Disable and remove interrupt handler. */ - if ( (ip2config.irq[i] > 0) && have_requested_irq(ip2config.irq[i]) ) { - free_irq ( ip2config.irq[i], (void *)&pcName); - clear_requested_irq( ip2config.irq[i]); + if (ip2config.irq[i] > 0 && + have_requested_irq(ip2config.irq[i])) { + free_irq(ip2config.irq[i], (void *)&pcName); + clear_requested_irq(ip2config.irq[i]); } } class_destroy(ip2_class); - if ( ( err = tty_unregister_driver ( ip2_tty_driver ) ) ) { - printk(KERN_ERR "IP2: failed to unregister tty driver (%d)\n", err); - } + err = tty_unregister_driver(ip2_tty_driver); + if (err) + printk(KERN_ERR "IP2: failed to unregister tty driver (%d)\n", + err); put_tty_driver(ip2_tty_driver); unregister_chrdev(IP2_IPL_MAJOR, pcIpl); remove_proc_entry("ip2mem", NULL); - // free memory + /* free memory */ for (i = 0; i < IP2_MAX_BOARDS; i++) { void *pB; #ifdef CONFIG_PCI @@ -431,20 +423,14 @@ static void __exit ip2_cleanup_module(void) #endif pB = i2BoardPtrTable[i]; if (pB != NULL) { - kfree ( pB ); + kfree(pB); i2BoardPtrTable[i] = NULL; } - if ((DevTableMem[i]) != NULL ) { - kfree ( DevTableMem[i] ); + if (DevTableMem[i] != NULL) { + kfree(DevTableMem[i]); DevTableMem[i] = NULL; } } - - /* Cleanup the iiEllis subsystem. */ - iiEllisCleanup(); -#ifdef IP2DEBUG_INIT - printk (KERN_DEBUG "IP2 Unloaded\n" ); -#endif } module_exit(ip2_cleanup_module); @@ -552,14 +538,13 @@ static int __init ip2_setup(char *str) __setup("ip2=", ip2_setup); #endif /* !MODULE */ -static int ip2_loadmain(void) +static int __init ip2_loadmain(void) { int i, j, box; int err = 0; - static int loaded; i2eBordStrPtr pB = NULL; int rc = -1; - static struct pci_dev *pci_dev_i = NULL; + struct pci_dev *pdev = NULL; const struct firmware *fw = NULL; if (poll_only) { @@ -567,119 +552,108 @@ static int ip2_loadmain(void) irq[0] = irq[1] = irq[2] = irq[3] = poll_only = 0; } - ip2trace (ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0 ); + ip2trace(ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0); /* process command line arguments to modprobe or insmod i.e. iop & irqp */ /* irqp and iop should ALWAYS be specified now... But we check them individually just to be sure, anyways... */ - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) { ip2config.addr[i] = io[i]; if (irq[i] >= 0) ip2config.irq[i] = irq[i]; else ip2config.irq[i] = 0; - // This is a little bit of a hack. If poll_only=1 on command - // line back in ip2.c OR all IRQs on all specified boards are - // explicitly set to 0, then drop to poll only mode and override - // PCI or EISA interrupts. This superceeds the old hack of - // triggering if all interrupts were zero (like da default). - // Still a hack but less prone to random acts of terrorism. - // - // What we really should do, now that the IRQ default is set - // to -1, is to use 0 as a hard coded, do not probe. - // - // /\/\|=mhw=|\/\/ + /* This is a little bit of a hack. If poll_only=1 on command + line back in ip2.c OR all IRQs on all specified boards are + explicitly set to 0, then drop to poll only mode and override + PCI or EISA interrupts. This superceeds the old hack of + triggering if all interrupts were zero (like da default). + Still a hack but less prone to random acts of terrorism. + + What we really should do, now that the IRQ default is set + to -1, is to use 0 as a hard coded, do not probe. + + /\/\|=mhw=|\/\/ + */ poll_only |= irq[i]; } poll_only = !poll_only; /* Announce our presence */ - printk( KERN_INFO "%s version %s\n", pcName, pcVersion ); - - // ip2 can be unloaded and reloaded for no good reason - // we can't let that happen here or bad things happen - // second load hoses board but not system - fixme later - if (loaded) { - printk( KERN_INFO "Still loaded\n" ); - return 0; - } - loaded++; + printk(KERN_INFO "%s version %s\n", pcName, pcVersion); ip2_tty_driver = alloc_tty_driver(IP2_MAX_PORTS); if (!ip2_tty_driver) return -ENOMEM; - /* Initialise the iiEllis subsystem. */ - iiEllisInit(); - /* Initialise all the boards we can find (up to the maximum). */ - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - switch ( ip2config.addr[i] ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) { + switch (ip2config.addr[i]) { case 0: /* skip this slot even if card is present */ break; default: /* ISA */ /* ISA address must be specified */ - if ( (ip2config.addr[i] < 0x100) || (ip2config.addr[i] > 0x3f8) ) { - printk ( KERN_ERR "IP2: Bad ISA board %d address %x\n", - i, ip2config.addr[i] ); + if (ip2config.addr[i] < 0x100 || + ip2config.addr[i] > 0x3f8) { + printk(KERN_ERR "IP2: Bad ISA board %d " + "address %x\n", i, + ip2config.addr[i]); ip2config.addr[i] = 0; - } else { - ip2config.type[i] = ISA; - - /* Check for valid irq argument, set for polling if invalid */ - if (ip2config.irq[i] && !is_valid_irq(ip2config.irq[i])) { - printk(KERN_ERR "IP2: Bad IRQ(%d) specified\n",ip2config.irq[i]); - ip2config.irq[i] = 0;// 0 is polling and is valid in that sense - } + break; + } + ip2config.type[i] = ISA; + + /* Check for valid irq argument, set for polling if + * invalid */ + if (ip2config.irq[i] && + !is_valid_irq(ip2config.irq[i])) { + printk(KERN_ERR "IP2: Bad IRQ(%d) specified\n", + ip2config.irq[i]); + /* 0 is polling and is valid in that sense */ + ip2config.irq[i] = 0; } break; case PCI: #ifdef CONFIG_PCI - { - int status; + { + u32 addr; + int status; - pci_dev_i = pci_get_device(PCI_VENDOR_ID_COMPUTONE, - PCI_DEVICE_ID_COMPUTONE_IP2EX, pci_dev_i); - if (pci_dev_i != NULL) { - unsigned int addr; - - if (pci_enable_device(pci_dev_i)) { - printk( KERN_ERR "IP2: can't enable PCI device at %s\n", - pci_name(pci_dev_i)); - break; - } - ip2config.type[i] = PCI; - ip2config.pci_dev[i] = pci_dev_get(pci_dev_i); - status = - pci_read_config_dword(pci_dev_i, PCI_BASE_ADDRESS_1, &addr); - if ( addr & 1 ) { - ip2config.addr[i]=(USHORT)(addr&0xfffe); - } else { - printk( KERN_ERR "IP2: PCI I/O address error\n"); - } + pdev = pci_get_device(PCI_VENDOR_ID_COMPUTONE, + PCI_DEVICE_ID_COMPUTONE_IP2EX, pdev); + if (pdev == NULL) { + ip2config.addr[i] = 0; + printk(KERN_ERR "IP2: PCI board %d not " + "found\n", i); + break; + } -// If the PCI BIOS assigned it, lets try and use it. If we -// can't acquire it or it screws up, deal with it then. - -// if (!is_valid_irq(pci_irq)) { -// printk( KERN_ERR "IP2: Bad PCI BIOS IRQ(%d)\n",pci_irq); -// pci_irq = 0; -// } - ip2config.irq[i] = pci_dev_i->irq; - } else { // ann error - ip2config.addr[i] = 0; - printk(KERN_ERR "IP2: PCI board %d not found\n", i); - } + if (pci_enable_device(pdev)) { + dev_err(&pdev->dev, "can't enable device\n"); + break; } + ip2config.type[i] = PCI; + ip2config.pci_dev[i] = pci_dev_get(pdev); + status = pci_read_config_dword(pdev, PCI_BASE_ADDRESS_1, + &addr); + if (addr & 1) + ip2config.addr[i] = (USHORT)(addr & 0xfffe); + else + dev_err(&pdev->dev, "I/O address error\n"); + + ip2config.irq[i] = pdev->irq; + } #else - printk( KERN_ERR "IP2: PCI card specified but PCI support not\n"); - printk( KERN_ERR "IP2: configured in this kernel.\n"); - printk( KERN_ERR "IP2: Recompile kernel with CONFIG_PCI defined!\n"); + printk(KERN_ERR "IP2: PCI card specified but PCI " + "support not enabled.\n"); + printk(KERN_ERR "IP2: Recompile kernel with CONFIG_PCI " + "defined!\n"); #endif /* CONFIG_PCI */ break; case EISA: - if ( (ip2config.addr[i] = find_eisa_board( Eisa_slot + 1 )) != 0) { + ip2config.addr[i] = find_eisa_board(Eisa_slot + 1); + if (ip2config.addr[i] != 0) { /* Eisa_irq set as side effect, boo */ ip2config.type[i] = EISA; } @@ -687,31 +661,32 @@ static int ip2_loadmain(void) break; } /* switch */ } /* for */ - if (pci_dev_i) - pci_dev_put(pci_dev_i); + pci_dev_put(pdev); - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( ip2config.addr[i] ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) { + if (ip2config.addr[i]) { pB = kzalloc(sizeof(i2eBordStr), GFP_KERNEL); if (pB) { i2BoardPtrTable[i] = pB; - iiSetAddress( pB, ip2config.addr[i], ii2DelayTimer ); - iiReset( pB ); - } else { - printk(KERN_ERR "IP2: board memory allocation error\n"); - } + iiSetAddress(pB, ip2config.addr[i], + ii2DelayTimer); + iiReset(pB); + } else + printk(KERN_ERR "IP2: board memory allocation " + "error\n"); } } - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( ( pB = i2BoardPtrTable[i] ) != NULL ) { - iiResetDelay( pB ); + for (i = 0; i < IP2_MAX_BOARDS; ++i) { + pB = i2BoardPtrTable[i]; + if (pB != NULL) { + iiResetDelay(pB); break; } } - for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { + for (i = 0; i < IP2_MAX_BOARDS; ++i) { /* We don't want to request the firmware unless we have at least one board */ - if ( i2BoardPtrTable[i] != NULL ) { + if (i2BoardPtrTable[i] != NULL) { if (!fw) fw = ip2_request_firmware(); if (!fw) @@ -722,7 +697,7 @@ static int ip2_loadmain(void) if (fw) release_firmware(fw); - ip2trace (ITRC_NO_PORT, ITRC_INIT, 2, 0 ); + ip2trace(ITRC_NO_PORT, ITRC_INIT, 2, 0); ip2_tty_driver->owner = THIS_MODULE; ip2_tty_driver->name = "ttyF"; @@ -733,20 +708,23 @@ static int ip2_loadmain(void) ip2_tty_driver->subtype = SERIAL_TYPE_NORMAL; ip2_tty_driver->init_termios = tty_std_termios; ip2_tty_driver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL; - ip2_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + ip2_tty_driver->flags = TTY_DRIVER_REAL_RAW | + TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(ip2_tty_driver, &ip2_ops); - ip2trace (ITRC_NO_PORT, ITRC_INIT, 3, 0 ); + ip2trace(ITRC_NO_PORT, ITRC_INIT, 3, 0); - /* Register the tty devices. */ - if ( ( err = tty_register_driver ( ip2_tty_driver ) ) ) { - printk(KERN_ERR "IP2: failed to register tty driver (%d)\n", err); + err = tty_register_driver(ip2_tty_driver); + if (err) { + printk(KERN_ERR "IP2: failed to register tty driver\n"); put_tty_driver(ip2_tty_driver); - return -EINVAL; - } else - /* Register the IPL driver. */ - if ( ( err = register_chrdev ( IP2_IPL_MAJOR, pcIpl, &ip2_ipl ) ) ) { - printk(KERN_ERR "IP2: failed to register IPL device (%d)\n", err ); + return err; /* leaking resources */ + } + + err = register_chrdev(IP2_IPL_MAJOR, pcIpl, &ip2_ipl); + if (err) { + printk(KERN_ERR "IP2: failed to register IPL device (%d)\n", + err); } else { /* create the sysfs class */ ip2_class = class_create(THIS_MODULE, "ip2"); @@ -758,82 +736,85 @@ static int ip2_loadmain(void) /* Register the read_procmem thing */ if (!proc_create("ip2mem",0,NULL,&ip2mem_proc_fops)) { printk(KERN_ERR "IP2: failed to register read_procmem\n"); - } else { + return -EIO; /* leaking resources */ + } - ip2trace (ITRC_NO_PORT, ITRC_INIT, 4, 0 ); - /* Register the interrupt handler or poll handler, depending upon the - * specified interrupt. - */ + ip2trace(ITRC_NO_PORT, ITRC_INIT, 4, 0); + /* Register the interrupt handler or poll handler, depending upon the + * specified interrupt. + */ - for( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( 0 == ip2config.addr[i] ) { - continue; - } + for (i = 0; i < IP2_MAX_BOARDS; ++i) { + if (ip2config.addr[i] == 0) + continue; - if ( NULL != ( pB = i2BoardPtrTable[i] ) ) { - device_create_drvdata(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i), - NULL, "ipl%d", i); - device_create_drvdata(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i + 1), - NULL, "stat%d", i); - - for ( box = 0; box < ABS_MAX_BOXES; ++box ) - { - for ( j = 0; j < ABS_BIGGEST_BOX; ++j ) - { - if ( pB->i2eChannelMap[box] & (1 << j) ) - { - tty_register_device(ip2_tty_driver, - j + ABS_BIGGEST_BOX * - (box+i*ABS_MAX_BOXES), NULL); - } - } - } - } + pB = i2BoardPtrTable[i]; + if (pB != NULL) { + device_create_drvdata(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i), + NULL, "ipl%d", i); + device_create_drvdata(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i + 1), + NULL, "stat%d", i); + + for (box = 0; box < ABS_MAX_BOXES; box++) + for (j = 0; j < ABS_BIGGEST_BOX; j++) + if (pB->i2eChannelMap[box] & (1 << j)) + tty_register_device( + ip2_tty_driver, + j + ABS_BIGGEST_BOX * + (box+i*ABS_MAX_BOXES), + NULL); + } - if (poll_only) { -// Poll only forces driver to only use polling and -// to ignore the probed PCI or EISA interrupts. - ip2config.irq[i] = CIR_POLL; - } - if ( ip2config.irq[i] == CIR_POLL ) { + if (poll_only) { + /* Poll only forces driver to only use polling and + to ignore the probed PCI or EISA interrupts. */ + ip2config.irq[i] = CIR_POLL; + } + if (ip2config.irq[i] == CIR_POLL) { retry: - if (!TimerOn) { - PollTimer.expires = POLL_TIMEOUT; - add_timer ( &PollTimer ); - TimerOn = 1; - printk( KERN_INFO "IP2: polling\n"); - } - } else { - if (have_requested_irq(ip2config.irq[i])) - continue; - rc = request_irq( ip2config.irq[i], ip2_interrupt, - IP2_SA_FLAGS | (ip2config.type[i] == PCI ? IRQF_SHARED : 0), - pcName, i2BoardPtrTable[i]); - if (rc) { - printk(KERN_ERR "IP2: an request_irq failed: error %d\n",rc); - ip2config.irq[i] = CIR_POLL; - printk( KERN_INFO "IP2: Polling %ld/sec.\n", - (POLL_TIMEOUT - jiffies)); - goto retry; - } - mark_requested_irq(ip2config.irq[i]); - /* Initialise the interrupt handler bottom half (aka slih). */ + if (!TimerOn) { + PollTimer.expires = POLL_TIMEOUT; + add_timer(&PollTimer); + TimerOn = 1; + printk(KERN_INFO "IP2: polling\n"); } - } - for( i = 0; i < IP2_MAX_BOARDS; ++i ) { - if ( i2BoardPtrTable[i] ) { - set_irq( i, ip2config.irq[i] ); /* set and enable board interrupt */ + } else { + if (have_requested_irq(ip2config.irq[i])) + continue; + rc = request_irq(ip2config.irq[i], ip2_interrupt, + IP2_SA_FLAGS | + (ip2config.type[i] == PCI ? IRQF_SHARED : 0), + pcName, i2BoardPtrTable[i]); + if (rc) { + printk(KERN_ERR "IP2: request_irq failed: " + "error %d\n", rc); + ip2config.irq[i] = CIR_POLL; + printk(KERN_INFO "IP2: Polling %ld/sec.\n", + (POLL_TIMEOUT - jiffies)); + goto retry; } + mark_requested_irq(ip2config.irq[i]); + /* Initialise the interrupt handler bottom half + * (aka slih). */ } } - ip2trace (ITRC_NO_PORT, ITRC_INIT, ITRC_RETURN, 0 ); - goto out; + + for (i = 0; i < IP2_MAX_BOARDS; ++i) { + if (i2BoardPtrTable[i]) { + /* set and enable board interrupt */ + set_irq(i, ip2config.irq[i]); + } + } + + ip2trace(ITRC_NO_PORT, ITRC_INIT, ITRC_RETURN, 0); + + return 0; out_chrdev: unregister_chrdev(IP2_IPL_MAJOR, "ip2"); -out: + /* unregister and put tty here */ return err; } module_init(ip2_loadmain); -- GitLab From 9d020a2e5fd2c79f5b08a6cab2b02e7231d7cb84 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Mon, 13 Oct 2008 10:35:05 +0100 Subject: [PATCH 4340/6244] ip2: avoid add_timer with pending timer add_timer() is not supposed to be called when the timer is pending. ip2 driver attempts to avoid that condition by setting and resetting a flag (TimerOn) in timer function. But there is some gap between add_timer() and setting TimerOn. This patch fix this problem by using mod_timer() and remove TimerOn which has been unnecessary by this change. Signed-off-by: Akinobu Mita Signed-off-by: Jiri Slaby Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/ip2main.c | 19 ++++--------------- 1 file changed, 4 insertions(+), 15 deletions(-) diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 39269d19a02d..66f52a28c40b 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -249,7 +249,6 @@ static unsigned long bh_counter; */ #define POLL_TIMEOUT (jiffies + 1) static DEFINE_TIMER(PollTimer, ip2_poll, 0, 0); -static char TimerOn; #ifdef IP2DEBUG_TRACE /* Trace (debug) buffer data */ @@ -374,11 +373,7 @@ static void __exit ip2_cleanup_module(void) int err; int i; - /* Stop poll timer if we had one. */ - if (TimerOn) { - del_timer(&PollTimer); - TimerOn = 0; - } + del_timer_sync(&PollTimer); /* Reset the boards we have. */ for (i = 0; i < IP2_MAX_BOARDS; i++) @@ -774,10 +769,8 @@ static int __init ip2_loadmain(void) } if (ip2config.irq[i] == CIR_POLL) { retry: - if (!TimerOn) { - PollTimer.expires = POLL_TIMEOUT; - add_timer(&PollTimer); - TimerOn = 1; + if (!timer_pending(&PollTimer)) { + mod_timer(&PollTimer, POLL_TIMEOUT); printk(KERN_INFO "IP2: polling\n"); } } else { @@ -1283,16 +1276,12 @@ ip2_poll(unsigned long arg) { ip2trace (ITRC_NO_PORT, ITRC_INTR, 100, 0 ); - TimerOn = 0; // it's the truth but not checked in service - // Just polled boards, IRQ = 0 will hit all non-interrupt boards. // It will NOT poll boards handled by hard interrupts. // The issue of queued BH interrupts is handled in ip2_interrupt(). ip2_polled_interrupt(); - PollTimer.expires = POLL_TIMEOUT; - add_timer( &PollTimer ); - TimerOn = 1; + mod_timer(&PollTimer, POLL_TIMEOUT); ip2trace (ITRC_NO_PORT, ITRC_INTR, ITRC_RETURN, 0 ); } -- GitLab From 7459b6ff36ab5e7d160980c3cb2be2f8cd194778 Mon Sep 17 00:00:00 2001 From: Miloslav Trmac Date: Mon, 13 Oct 2008 10:35:15 +0100 Subject: [PATCH 4341/6244] audit: Handle embedded NUL in TTY input auditing Data read from a TTY can contain an embedded NUL byte (e.g. after pressing Ctrl-2, or sent to a PTY). After the previous patch, the data would be logged only up to the first NUL. This patch modifies the AUDIT_TTY record to always use the hexadecimal format, which does not terminate at the first NUL byte. The vast majority of recorded TTY input data will contain either ' ' or '\n', so the hexadecimal format would have been used anyway. Signed-off-by: Miloslav Trmac Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_audit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c index 3582f43345a8..5787249934c8 100644 --- a/drivers/char/tty_audit.c +++ b/drivers/char/tty_audit.c @@ -93,7 +93,7 @@ static void tty_audit_buf_push(struct task_struct *tsk, uid_t loginuid, get_task_comm(name, tsk); audit_log_untrustedstring(ab, name); audit_log_format(ab, " data="); - audit_log_n_untrustedstring(ab, buf->data, buf->valid); + audit_log_n_hex(ab, buf->data, buf->valid); audit_log_end(ab); } buf->valid = 0; -- GitLab From 0c8946d97ae7d2d6691f8290a10faa63453b63f8 Mon Sep 17 00:00:00 2001 From: David Miller Date: Mon, 13 Oct 2008 10:35:23 +0100 Subject: [PATCH 4342/6244] serial: Make uart_port's ioport "unsigned long". Otherwise the top 32-bits of the resource value get chopped off on 64-bit systems, and the resulting I/O accesses go to random places. Thanks to testing and debugging by Josip Rodin, which helped track this down. Signed-off-by: David S. Miller Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- include/linux/serial_core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 3b2f6c04855e..e27f216361fc 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -241,7 +241,7 @@ typedef unsigned int __bitwise__ upf_t; struct uart_port { spinlock_t lock; /* port lock */ - unsigned int iobase; /* in/out[bwl] */ + unsigned long iobase; /* in/out[bwl] */ unsigned char __iomem *membase; /* read/write[bwl] */ unsigned int irq; /* irq number */ unsigned int uartclk; /* base uart clock */ -- GitLab From 716da631ae91fc5e9f8d5815f8ef5fbfed862b80 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:35:33 +0100 Subject: [PATCH 4343/6244] nozomi: Fix close on error Nozomi assumes the close method isn't called if open errors. The tty layer is different to other drives in this respect however. Pointed out by Denis J Barrow. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/nozomi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 66a0f931c66c..9a34a1935283 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1599,7 +1599,10 @@ static int ntty_open(struct tty_struct *tty, struct file *file) return 0; } -/* Called when the userspace process close the tty, /dev/noz*. */ +/* Called when the userspace process close the tty, /dev/noz*. Also + called immediately if ntty_open fails in which case tty->driver_data + will be NULL an we exit by the first return */ + static void ntty_close(struct tty_struct *tty, struct file *file) { struct nozomi *dc = get_dc_by_tty(tty); -- GitLab From 9bde10a4b8c54804236d3d6b4b75e98825a921e7 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 13 Oct 2008 10:35:42 +0100 Subject: [PATCH 4344/6244] serial-make-uart_ports-ioport-unsigned-long-fix Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/serial_core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index f977c98cfa95..308588e2072b 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2154,12 +2154,11 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) switch (port->iotype) { case UPIO_PORT: - snprintf(address, sizeof(address), - "I/O 0x%x", port->iobase); + snprintf(address, sizeof(address), "I/O 0x%lx", port->iobase); break; case UPIO_HUB6: snprintf(address, sizeof(address), - "I/O 0x%x offset 0x%x", port->iobase, port->hub6); + "I/O 0x%lx offset 0x%x", port->iobase, port->hub6); break; case UPIO_MEM: case UPIO_MEM32: -- GitLab From 4ad6de0b3f5d050b70e4c94a0cc8b26503f8cf28 Mon Sep 17 00:00:00 2001 From: Jason Wessel Date: Mon, 13 Oct 2008 10:35:51 +0100 Subject: [PATCH 4345/6244] usb: fix pl2303 initialization This patch removes the private check for the termios_initialized for the pl2303 usb driver. It forced the baud to 9600 on the first call to pl2303_set_termios() Based on the tty changes in the 2.6.27 kernel, the termios passed to the *_set_termios functions is always populated the first time. This means there is no need to privately initialize the settings the first time, and doing so will not allow the use of the kernel parameter "console=ttyUSB0,115200" as an example. Signed-off-by: Jason Wessel Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/usb/serial/pl2303.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 1ede1441cb1b..8d6006894bf5 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -154,7 +154,6 @@ struct pl2303_private { wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; - u8 termios_initialized; enum pl2303_type type; }; @@ -526,16 +525,6 @@ static void pl2303_set_termios(struct tty_struct *tty, dbg("%s - port %d", __func__, port->number); - spin_lock_irqsave(&priv->lock, flags); - if (!priv->termios_initialized) { - *(tty->termios) = tty_std_termios; - tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - tty->termios->c_ispeed = 9600; - tty->termios->c_ospeed = 9600; - priv->termios_initialized = 1; - } - spin_unlock_irqrestore(&priv->lock, flags); - /* The PL2303 is reported to lose bytes if you change serial settings even to the same values as before. Thus we actually need to filter in this specific case */ -- GitLab From 43b11d33f2c20c33fcf197780edb2e5d8a1b6a67 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:36:00 +0100 Subject: [PATCH 4346/6244] ftdi: A few errors are err() that should be debug which causes much spewage Fixes #10783 Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/usb/serial/ftdi_sio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 3dc93b542b30..1ac7e802b4b6 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -860,7 +860,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, kfree(buf); if (rv < 0) { - err("%s Error from MODEM_CTRL urb: DTR %s, RTS %s", + dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s", __func__, (set & TIOCM_DTR) ? "HIGH" : (clear & TIOCM_DTR) ? "LOW" : "unchanged", @@ -2256,7 +2256,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) 0, 0, buf, 1, WDR_TIMEOUT); if (ret < 0) { - err("%s Could not get modem status of device - err: %d", __func__, + dbg("%s Could not get modem status of device - err: %d", __func__, ret); return ret; } @@ -2275,7 +2275,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) 0, priv->interface, buf, 2, WDR_TIMEOUT); if (ret < 0) { - err("%s Could not get modem status of device - err: %d", __func__, + dbg("%s Could not get modem status of device - err: %d", __func__, ret); return ret; } -- GitLab From 40836c484c31301998a14be0439cc4e856399843 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:36:11 +0100 Subject: [PATCH 4347/6244] serial_8250: pci_enable_device fail is not fully handled talking about leaks - I noticed that the 'check return of pci_enable_dev()' in the 8250 pci resume function finally made it in despite my objections against it (causing stuff in higher levels to leak). Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/8250_pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index c2f23933155b..c014ffb110e9 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -2041,9 +2041,9 @@ static int pciserial_resume_one(struct pci_dev *dev) * The device may have been disabled. Re-enable it. */ err = pci_enable_device(dev); + /* FIXME: We cannot simply error out here */ if (err) - return err; - + printk(KERN_ERR "pciserial: Unable to re-enable ports, trying to continue.\n"); pciserial_resume_ports(priv); } return 0; -- GitLab From b5d674abcffeacaf83038bbf7c0caf24edd497dd Mon Sep 17 00:00:00 2001 From: Will Newton Date: Mon, 13 Oct 2008 10:36:21 +0100 Subject: [PATCH 4348/6244] 8250: remove a few inlines of dubious value Remove some inlines from various functions that are called once, are too big to inline, or are called only from slow path code. This saves around 300 bytes of code for me. Signed-off-by: Will Newton Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/8250.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 9ccc563d8730..ed593c4b6e7d 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -536,7 +536,7 @@ static unsigned int serial_icr_read(struct uart_8250_port *up, int offset) /* * FIFO support. */ -static inline void serial8250_clear_fifos(struct uart_8250_port *p) +static void serial8250_clear_fifos(struct uart_8250_port *p) { if (p->capabilities & UART_CAP_FIFO) { serial_outp(p, UART_FCR, UART_FCR_ENABLE_FIFO); @@ -551,7 +551,7 @@ static inline void serial8250_clear_fifos(struct uart_8250_port *p) * capability" bit enabled. Note that on XR16C850s, we need to * reset LCR to write to IER. */ -static inline void serial8250_set_sleep(struct uart_8250_port *p, int sleep) +static void serial8250_set_sleep(struct uart_8250_port *p, int sleep) { if (p->capabilities & UART_CAP_SLEEP) { if (p->capabilities & UART_CAP_EFR) { @@ -1424,8 +1424,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up) /* * This handles the interrupt from one port. */ -static inline void -serial8250_handle_port(struct uart_8250_port *up) +static void serial8250_handle_port(struct uart_8250_port *up) { unsigned int status; unsigned long flags; @@ -1719,7 +1718,7 @@ static void serial8250_break_ctl(struct uart_port *port, int break_state) /* * Wait for transmitter & holding register to empty */ -static inline void wait_for_xmitr(struct uart_8250_port *up, int bits) +static void wait_for_xmitr(struct uart_8250_port *up, int bits) { unsigned int status, tmout = 10000; -- GitLab From b70ac7718579b5cbf3bdd74fd01132d1c91596f4 Mon Sep 17 00:00:00 2001 From: David Miller Date: Mon, 13 Oct 2008 10:36:31 +0100 Subject: [PATCH 4349/6244] serial: allow 8250 to be used on sparc This requires three changes: 1) Remove !SPARC restriction in Kconfig. 2) Move Sparc specific serial drivers before 8250, so that serial console devices don't change names on us, even if 8250 finds devices. 3) Since the Sparc specific serial drivers try to use the same major/minor device namespace as 8250, some coordination is necessary. Use the sunserial_*() layer routines to allocate minor number space within TTY_MAJOR when CONFIG_SPARC. This has no effect on other platforms. Thanks to Josip Rodin for bringing up this issue and testing plus debugging various revisions of this patch. Signed-off-by: David S. Miller Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- arch/sparc/include/asm/serial.h | 6 ++++++ drivers/serial/8250.c | 21 +++++++++++++++++---- drivers/serial/Kconfig | 1 - drivers/serial/Makefile | 15 ++++++++++----- 4 files changed, 33 insertions(+), 10 deletions(-) create mode 100644 arch/sparc/include/asm/serial.h diff --git a/arch/sparc/include/asm/serial.h b/arch/sparc/include/asm/serial.h new file mode 100644 index 000000000000..f90d61c28059 --- /dev/null +++ b/arch/sparc/include/asm/serial.h @@ -0,0 +1,6 @@ +#ifndef __SPARC_SERIAL_H +#define __SPARC_SERIAL_H + +#define BASE_BAUD ( 1843200 / 16 ) + +#endif /* __SPARC_SERIAL_H */ diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index ed593c4b6e7d..db2cdc103c88 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -44,6 +44,10 @@ #include "8250.h" +#ifdef CONFIG_SPARC +#include "suncore.h" +#endif + /* * Configuration: * share_irqs - whether we pass IRQF_SHARED to request_irq(). This option @@ -2676,7 +2680,6 @@ static struct uart_driver serial8250_reg = { .dev_name = "ttyS", .major = TTY_MAJOR, .minor = 64, - .nr = UART_NR, .cons = SERIAL8250_CONSOLE, }; @@ -2958,10 +2961,12 @@ static int __init serial8250_init(void) "%d ports, IRQ sharing %sabled\n", nr_uarts, share_irqs ? "en" : "dis"); - for (i = 0; i < NR_IRQS; i++) - spin_lock_init(&irq_lists[i].lock); - +#ifdef CONFIG_SPARC + ret = sunserial_register_minors(&serial8250_reg, UART_NR); +#else + serial8250_reg.nr = UART_NR; ret = uart_register_driver(&serial8250_reg); +#endif if (ret) goto out; @@ -2986,7 +2991,11 @@ static int __init serial8250_init(void) put_dev: platform_device_put(serial8250_isa_devs); unreg_uart_drv: +#ifdef CONFIG_SPARC + sunserial_unregister_minors(&serial8250_reg, UART_NR); +#else uart_unregister_driver(&serial8250_reg); +#endif out: return ret; } @@ -3005,7 +3014,11 @@ static void __exit serial8250_exit(void) platform_driver_unregister(&serial8250_isa_driver); platform_device_unregister(isa_dev); +#ifdef CONFIG_SPARC + sunserial_unregister_minors(&serial8250_reg, UART_NR); +#else uart_unregister_driver(&serial8250_reg); +#endif } module_init(serial8250_init); diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 0db20452c79a..31786b3b0a68 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -9,7 +9,6 @@ menu "Serial drivers" # The new 8250/16550 serial drivers config SERIAL_8250 tristate "8250/16550 and compatible serial support" - depends on (BROKEN || !SPARC) select SERIAL_CORE ---help--- This selects whether you want to include the driver for the standard diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 1462eb3f7bd2..0c17c8ddb19d 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -4,6 +4,16 @@ obj-$(CONFIG_SERIAL_CORE) += serial_core.o obj-$(CONFIG_SERIAL_21285) += 21285.o + +# These Sparc drivers have to appear before others such as 8250 +# which share ttySx minor node space. Otherwise console device +# names change and other unplesantries. +obj-$(CONFIG_SERIAL_SUNCORE) += suncore.o +obj-$(CONFIG_SERIAL_SUNHV) += sunhv.o +obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o +obj-$(CONFIG_SERIAL_SUNSU) += sunsu.o +obj-$(CONFIG_SERIAL_SUNSAB) += sunsab.o + obj-$(CONFIG_SERIAL_8250) += 8250.o obj-$(CONFIG_SERIAL_8250_PNP) += 8250_pnp.o obj-$(CONFIG_SERIAL_8250_GSC) += 8250_gsc.o @@ -31,12 +41,7 @@ obj-$(CONFIG_SERIAL_S3C2400) += s3c2400.o obj-$(CONFIG_SERIAL_S3C2410) += s3c2410.o obj-$(CONFIG_SERIAL_S3C2412) += s3c2412.o obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o -obj-$(CONFIG_SERIAL_SUNCORE) += suncore.o -obj-$(CONFIG_SERIAL_SUNHV) += sunhv.o -obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o -obj-$(CONFIG_SERIAL_SUNSU) += sunsu.o -obj-$(CONFIG_SERIAL_SUNSAB) += sunsab.o obj-$(CONFIG_SERIAL_MUX) += mux.o obj-$(CONFIG_SERIAL_68328) += 68328serial.o obj-$(CONFIG_SERIAL_68360) += 68360serial.o -- GitLab From e6885107736a4dd23e7d3bc103fe6d043c63c4de Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:36:40 +0100 Subject: [PATCH 4350/6244] tty: move tioclinux from a special case Right now we have ifdefs and hooks in the core ioctl handler for TIOCLINUX and then test if its a console. This is brain dead. Instead call the tioclinux helper from the relevant driver ioctl methods. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 4 ---- drivers/char/vt.c | 2 -- drivers/char/vt_ioctl.c | 2 ++ 3 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e4dce8709541..2f05728920e7 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3026,10 +3026,6 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return put_user(tty->ldisc.ops->num, (int __user *)p); case TIOCSETD: return tiocsetd(tty, p); -#ifdef CONFIG_VT - case TIOCLINUX: - return tioclinux(tty, arg); -#endif /* * Break handling */ diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 60359c360912..05ca1c5dcb1c 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2583,8 +2583,6 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) int lines; int ret; - if (tty->driver->type != TTY_DRIVER_TYPE_CONSOLE) - return -EINVAL; if (current->signal->tty != tty && !capable(CAP_SYS_ADMIN)) return -EPERM; if (get_user(type, p)) diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index c904e9ad4a71..8944ce508e2f 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -395,6 +395,8 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, kbd = kbd_table + console; switch (cmd) { + case TIOCLINUX: + return tioclinux(tty, arg); case KIOCSOUND: if (!perm) goto eperm; -- GitLab From c564b6fda961bd999aac0b709b79288dd8f426cd Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:36:49 +0100 Subject: [PATCH 4351/6244] uml: small cleanups and note bugs to be dealt with by uml authors... Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- arch/um/drivers/line.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index d741f35d7b3a..14a102e877d6 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -275,6 +275,8 @@ int line_ioctl(struct tty_struct *tty, struct file * file, case TIOCGLTC: case TIOCSLTC: #endif + /* Note: these are out of date as we now have TCGETS2 etc but this + whole lot should probably go away */ case TCGETS: case TCSETSF: case TCSETSW: -- GitLab From e04957365b21066285557e42ffe16d8330d46c02 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:36:58 +0100 Subject: [PATCH 4352/6244] tty: split the buffering from tty_io The two are basically independent chunks of code so lets split them up for readability and sanity. It also makes the API boundaries much clearer. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/Makefile | 2 +- drivers/char/tty_buffer.c | 511 ++++++++++++++++++++++++++++++++++++++ drivers/char/tty_io.c | 502 ------------------------------------- include/linux/tty.h | 3 + 4 files changed, 515 insertions(+), 503 deletions(-) create mode 100644 drivers/char/tty_buffer.c diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 6850f6da7576..77ea41b88ea8 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -7,7 +7,7 @@ # FONTMAPFILE = cp437.uni -obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o +obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c new file mode 100644 index 000000000000..810ee25d66a4 --- /dev/null +++ b/drivers/char/tty_buffer.c @@ -0,0 +1,511 @@ +/* + * Tty buffer allocation management + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/** + * tty_buffer_free_all - free buffers used by a tty + * @tty: tty to free from + * + * Remove all the buffers pending on a tty whether queued with data + * or in the free ring. Must be called when the tty is no longer in use + * + * Locking: none + */ + +void tty_buffer_free_all(struct tty_struct *tty) +{ + struct tty_buffer *thead; + while ((thead = tty->buf.head) != NULL) { + tty->buf.head = thead->next; + kfree(thead); + } + while ((thead = tty->buf.free) != NULL) { + tty->buf.free = thead->next; + kfree(thead); + } + tty->buf.tail = NULL; + tty->buf.memory_used = 0; +} + +/** + * tty_buffer_alloc - allocate a tty buffer + * @tty: tty device + * @size: desired size (characters) + * + * Allocate a new tty buffer to hold the desired number of characters. + * Return NULL if out of memory or the allocation would exceed the + * per device queue + * + * Locking: Caller must hold tty->buf.lock + */ + +static struct tty_buffer *tty_buffer_alloc(struct tty_struct *tty, size_t size) +{ + struct tty_buffer *p; + + if (tty->buf.memory_used + size > 65536) + return NULL; + p = kmalloc(sizeof(struct tty_buffer) + 2 * size, GFP_ATOMIC); + if (p == NULL) + return NULL; + p->used = 0; + p->size = size; + p->next = NULL; + p->commit = 0; + p->read = 0; + p->char_buf_ptr = (char *)(p->data); + p->flag_buf_ptr = (unsigned char *)p->char_buf_ptr + size; + tty->buf.memory_used += size; + return p; +} + +/** + * tty_buffer_free - free a tty buffer + * @tty: tty owning the buffer + * @b: the buffer to free + * + * Free a tty buffer, or add it to the free list according to our + * internal strategy + * + * Locking: Caller must hold tty->buf.lock + */ + +static void tty_buffer_free(struct tty_struct *tty, struct tty_buffer *b) +{ + /* Dumb strategy for now - should keep some stats */ + tty->buf.memory_used -= b->size; + WARN_ON(tty->buf.memory_used < 0); + + if (b->size >= 512) + kfree(b); + else { + b->next = tty->buf.free; + tty->buf.free = b; + } +} + +/** + * __tty_buffer_flush - flush full tty buffers + * @tty: tty to flush + * + * flush all the buffers containing receive data. Caller must + * hold the buffer lock and must have ensured no parallel flush to + * ldisc is running. + * + * Locking: Caller must hold tty->buf.lock + */ + +static void __tty_buffer_flush(struct tty_struct *tty) +{ + struct tty_buffer *thead; + + while ((thead = tty->buf.head) != NULL) { + tty->buf.head = thead->next; + tty_buffer_free(tty, thead); + } + tty->buf.tail = NULL; +} + +/** + * tty_buffer_flush - flush full tty buffers + * @tty: tty to flush + * + * flush all the buffers containing receive data. If the buffer is + * being processed by flush_to_ldisc then we defer the processing + * to that function + * + * Locking: none + */ + +void tty_buffer_flush(struct tty_struct *tty) +{ + unsigned long flags; + spin_lock_irqsave(&tty->buf.lock, flags); + + /* If the data is being pushed to the tty layer then we can't + process it here. Instead set a flag and the flush_to_ldisc + path will process the flush request before it exits */ + if (test_bit(TTY_FLUSHING, &tty->flags)) { + set_bit(TTY_FLUSHPENDING, &tty->flags); + spin_unlock_irqrestore(&tty->buf.lock, flags); + wait_event(tty->read_wait, + test_bit(TTY_FLUSHPENDING, &tty->flags) == 0); + return; + } else + __tty_buffer_flush(tty); + spin_unlock_irqrestore(&tty->buf.lock, flags); +} + +/** + * tty_buffer_find - find a free tty buffer + * @tty: tty owning the buffer + * @size: characters wanted + * + * Locate an existing suitable tty buffer or if we are lacking one then + * allocate a new one. We round our buffers off in 256 character chunks + * to get better allocation behaviour. + * + * Locking: Caller must hold tty->buf.lock + */ + +static struct tty_buffer *tty_buffer_find(struct tty_struct *tty, size_t size) +{ + struct tty_buffer **tbh = &tty->buf.free; + while ((*tbh) != NULL) { + struct tty_buffer *t = *tbh; + if (t->size >= size) { + *tbh = t->next; + t->next = NULL; + t->used = 0; + t->commit = 0; + t->read = 0; + tty->buf.memory_used += t->size; + return t; + } + tbh = &((*tbh)->next); + } + /* Round the buffer size out */ + size = (size + 0xFF) & ~0xFF; + return tty_buffer_alloc(tty, size); + /* Should possibly check if this fails for the largest buffer we + have queued and recycle that ? */ +} + +/** + * tty_buffer_request_room - grow tty buffer if needed + * @tty: tty structure + * @size: size desired + * + * Make at least size bytes of linear space available for the tty + * buffer. If we fail return the size we managed to find. + * + * Locking: Takes tty->buf.lock + */ +int tty_buffer_request_room(struct tty_struct *tty, size_t size) +{ + struct tty_buffer *b, *n; + int left; + unsigned long flags; + + spin_lock_irqsave(&tty->buf.lock, flags); + + /* OPTIMISATION: We could keep a per tty "zero" sized buffer to + remove this conditional if its worth it. This would be invisible + to the callers */ + if ((b = tty->buf.tail) != NULL) + left = b->size - b->used; + else + left = 0; + + if (left < size) { + /* This is the slow path - looking for new buffers to use */ + if ((n = tty_buffer_find(tty, size)) != NULL) { + if (b != NULL) { + b->next = n; + b->commit = b->used; + } else + tty->buf.head = n; + tty->buf.tail = n; + } else + size = left; + } + + spin_unlock_irqrestore(&tty->buf.lock, flags); + return size; +} +EXPORT_SYMBOL_GPL(tty_buffer_request_room); + +/** + * tty_insert_flip_string - Add characters to the tty buffer + * @tty: tty structure + * @chars: characters + * @size: size + * + * Queue a series of bytes to the tty buffering. All the characters + * passed are marked as without error. Returns the number added. + * + * Locking: Called functions may take tty->buf.lock + */ + +int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, + size_t size) +{ + int copied = 0; + do { + int space = tty_buffer_request_room(tty, size - copied); + struct tty_buffer *tb = tty->buf.tail; + /* If there is no space then tb may be NULL */ + if (unlikely(space == 0)) + break; + memcpy(tb->char_buf_ptr + tb->used, chars, space); + memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); + tb->used += space; + copied += space; + chars += space; + /* There is a small chance that we need to split the data over + several buffers. If this is the case we must loop */ + } while (unlikely(size > copied)); + return copied; +} +EXPORT_SYMBOL(tty_insert_flip_string); + +/** + * tty_insert_flip_string_flags - Add characters to the tty buffer + * @tty: tty structure + * @chars: characters + * @flags: flag bytes + * @size: size + * + * Queue a series of bytes to the tty buffering. For each character + * the flags array indicates the status of the character. Returns the + * number added. + * + * Locking: Called functions may take tty->buf.lock + */ + +int tty_insert_flip_string_flags(struct tty_struct *tty, + const unsigned char *chars, const char *flags, size_t size) +{ + int copied = 0; + do { + int space = tty_buffer_request_room(tty, size - copied); + struct tty_buffer *tb = tty->buf.tail; + /* If there is no space then tb may be NULL */ + if (unlikely(space == 0)) + break; + memcpy(tb->char_buf_ptr + tb->used, chars, space); + memcpy(tb->flag_buf_ptr + tb->used, flags, space); + tb->used += space; + copied += space; + chars += space; + flags += space; + /* There is a small chance that we need to split the data over + several buffers. If this is the case we must loop */ + } while (unlikely(size > copied)); + return copied; +} +EXPORT_SYMBOL(tty_insert_flip_string_flags); + +/** + * tty_schedule_flip - push characters to ldisc + * @tty: tty to push from + * + * Takes any pending buffers and transfers their ownership to the + * ldisc side of the queue. It then schedules those characters for + * processing by the line discipline. + * + * Locking: Takes tty->buf.lock + */ + +void tty_schedule_flip(struct tty_struct *tty) +{ + unsigned long flags; + spin_lock_irqsave(&tty->buf.lock, flags); + if (tty->buf.tail != NULL) + tty->buf.tail->commit = tty->buf.tail->used; + spin_unlock_irqrestore(&tty->buf.lock, flags); + schedule_delayed_work(&tty->buf.work, 1); +} +EXPORT_SYMBOL(tty_schedule_flip); + +/** + * tty_prepare_flip_string - make room for characters + * @tty: tty + * @chars: return pointer for character write area + * @size: desired size + * + * Prepare a block of space in the buffer for data. Returns the length + * available and buffer pointer to the space which is now allocated and + * accounted for as ready for normal characters. This is used for drivers + * that need their own block copy routines into the buffer. There is no + * guarantee the buffer is a DMA target! + * + * Locking: May call functions taking tty->buf.lock + */ + +int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, + size_t size) +{ + int space = tty_buffer_request_room(tty, size); + if (likely(space)) { + struct tty_buffer *tb = tty->buf.tail; + *chars = tb->char_buf_ptr + tb->used; + memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); + tb->used += space; + } + return space; +} +EXPORT_SYMBOL_GPL(tty_prepare_flip_string); + +/** + * tty_prepare_flip_string_flags - make room for characters + * @tty: tty + * @chars: return pointer for character write area + * @flags: return pointer for status flag write area + * @size: desired size + * + * Prepare a block of space in the buffer for data. Returns the length + * available and buffer pointer to the space which is now allocated and + * accounted for as ready for characters. This is used for drivers + * that need their own block copy routines into the buffer. There is no + * guarantee the buffer is a DMA target! + * + * Locking: May call functions taking tty->buf.lock + */ + +int tty_prepare_flip_string_flags(struct tty_struct *tty, + unsigned char **chars, char **flags, size_t size) +{ + int space = tty_buffer_request_room(tty, size); + if (likely(space)) { + struct tty_buffer *tb = tty->buf.tail; + *chars = tb->char_buf_ptr + tb->used; + *flags = tb->flag_buf_ptr + tb->used; + tb->used += space; + } + return space; +} +EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags); + + + +/** + * flush_to_ldisc + * @work: tty structure passed from work queue. + * + * This routine is called out of the software interrupt to flush data + * from the buffer chain to the line discipline. + * + * Locking: holds tty->buf.lock to guard buffer list. Drops the lock + * while invoking the line discipline receive_buf method. The + * receive_buf method is single threaded for each tty instance. + */ + +static void flush_to_ldisc(struct work_struct *work) +{ + struct tty_struct *tty = + container_of(work, struct tty_struct, buf.work.work); + unsigned long flags; + struct tty_ldisc *disc; + struct tty_buffer *tbuf, *head; + char *char_buf; + unsigned char *flag_buf; + + disc = tty_ldisc_ref(tty); + if (disc == NULL) /* !TTY_LDISC */ + return; + + spin_lock_irqsave(&tty->buf.lock, flags); + /* So we know a flush is running */ + set_bit(TTY_FLUSHING, &tty->flags); + head = tty->buf.head; + if (head != NULL) { + tty->buf.head = NULL; + for (;;) { + int count = head->commit - head->read; + if (!count) { + if (head->next == NULL) + break; + tbuf = head; + head = head->next; + tty_buffer_free(tty, tbuf); + continue; + } + /* Ldisc or user is trying to flush the buffers + we are feeding to the ldisc, stop feeding the + line discipline as we want to empty the queue */ + if (test_bit(TTY_FLUSHPENDING, &tty->flags)) + break; + if (!tty->receive_room) { + schedule_delayed_work(&tty->buf.work, 1); + break; + } + if (count > tty->receive_room) + count = tty->receive_room; + char_buf = head->char_buf_ptr + head->read; + flag_buf = head->flag_buf_ptr + head->read; + head->read += count; + spin_unlock_irqrestore(&tty->buf.lock, flags); + disc->ops->receive_buf(tty, char_buf, + flag_buf, count); + spin_lock_irqsave(&tty->buf.lock, flags); + } + /* Restore the queue head */ + tty->buf.head = head; + } + /* We may have a deferred request to flush the input buffer, + if so pull the chain under the lock and empty the queue */ + if (test_bit(TTY_FLUSHPENDING, &tty->flags)) { + __tty_buffer_flush(tty); + clear_bit(TTY_FLUSHPENDING, &tty->flags); + wake_up(&tty->read_wait); + } + clear_bit(TTY_FLUSHING, &tty->flags); + spin_unlock_irqrestore(&tty->buf.lock, flags); + + tty_ldisc_deref(disc); +} + +/** + * tty_flip_buffer_push - terminal + * @tty: tty to push + * + * Queue a push of the terminal flip buffers to the line discipline. This + * function must not be called from IRQ context if tty->low_latency is set. + * + * In the event of the queue being busy for flipping the work will be + * held off and retried later. + * + * Locking: tty buffer lock. Driver locks in low latency mode. + */ + +void tty_flip_buffer_push(struct tty_struct *tty) +{ + unsigned long flags; + spin_lock_irqsave(&tty->buf.lock, flags); + if (tty->buf.tail != NULL) + tty->buf.tail->commit = tty->buf.tail->used; + spin_unlock_irqrestore(&tty->buf.lock, flags); + + if (tty->low_latency) + flush_to_ldisc(&tty->buf.work.work); + else + schedule_delayed_work(&tty->buf.work, 1); +} +EXPORT_SYMBOL(tty_flip_buffer_push); + +/** + * tty_buffer_init - prepare a tty buffer structure + * @tty: tty to initialise + * + * Set up the initial state of the buffer management for a tty device. + * Must be called before the other tty buffer functions are used. + * + * Locking: none + */ + +void tty_buffer_init(struct tty_struct *tty) +{ + spin_lock_init(&tty->buf.lock); + tty->buf.head = NULL; + tty->buf.tail = NULL; + tty->buf.free = NULL; + tty->buf.memory_used = 0; + INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc); +} + diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 2f05728920e7..3a726936aa5b 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -176,8 +176,6 @@ static struct tty_struct *alloc_tty_struct(void) return kzalloc(sizeof(struct tty_struct), GFP_KERNEL); } -static void tty_buffer_free_all(struct tty_struct *); - /** * free_tty_struct - free a disused tty * @tty: tty struct to free @@ -263,398 +261,6 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) return 0; } -/* - * Tty buffer allocation management - */ - -/** - * tty_buffer_free_all - free buffers used by a tty - * @tty: tty to free from - * - * Remove all the buffers pending on a tty whether queued with data - * or in the free ring. Must be called when the tty is no longer in use - * - * Locking: none - */ - -static void tty_buffer_free_all(struct tty_struct *tty) -{ - struct tty_buffer *thead; - while ((thead = tty->buf.head) != NULL) { - tty->buf.head = thead->next; - kfree(thead); - } - while ((thead = tty->buf.free) != NULL) { - tty->buf.free = thead->next; - kfree(thead); - } - tty->buf.tail = NULL; - tty->buf.memory_used = 0; -} - -/** - * tty_buffer_init - prepare a tty buffer structure - * @tty: tty to initialise - * - * Set up the initial state of the buffer management for a tty device. - * Must be called before the other tty buffer functions are used. - * - * Locking: none - */ - -static void tty_buffer_init(struct tty_struct *tty) -{ - spin_lock_init(&tty->buf.lock); - tty->buf.head = NULL; - tty->buf.tail = NULL; - tty->buf.free = NULL; - tty->buf.memory_used = 0; -} - -/** - * tty_buffer_alloc - allocate a tty buffer - * @tty: tty device - * @size: desired size (characters) - * - * Allocate a new tty buffer to hold the desired number of characters. - * Return NULL if out of memory or the allocation would exceed the - * per device queue - * - * Locking: Caller must hold tty->buf.lock - */ - -static struct tty_buffer *tty_buffer_alloc(struct tty_struct *tty, size_t size) -{ - struct tty_buffer *p; - - if (tty->buf.memory_used + size > 65536) - return NULL; - p = kmalloc(sizeof(struct tty_buffer) + 2 * size, GFP_ATOMIC); - if (p == NULL) - return NULL; - p->used = 0; - p->size = size; - p->next = NULL; - p->commit = 0; - p->read = 0; - p->char_buf_ptr = (char *)(p->data); - p->flag_buf_ptr = (unsigned char *)p->char_buf_ptr + size; - tty->buf.memory_used += size; - return p; -} - -/** - * tty_buffer_free - free a tty buffer - * @tty: tty owning the buffer - * @b: the buffer to free - * - * Free a tty buffer, or add it to the free list according to our - * internal strategy - * - * Locking: Caller must hold tty->buf.lock - */ - -static void tty_buffer_free(struct tty_struct *tty, struct tty_buffer *b) -{ - /* Dumb strategy for now - should keep some stats */ - tty->buf.memory_used -= b->size; - WARN_ON(tty->buf.memory_used < 0); - - if (b->size >= 512) - kfree(b); - else { - b->next = tty->buf.free; - tty->buf.free = b; - } -} - -/** - * __tty_buffer_flush - flush full tty buffers - * @tty: tty to flush - * - * flush all the buffers containing receive data. Caller must - * hold the buffer lock and must have ensured no parallel flush to - * ldisc is running. - * - * Locking: Caller must hold tty->buf.lock - */ - -static void __tty_buffer_flush(struct tty_struct *tty) -{ - struct tty_buffer *thead; - - while ((thead = tty->buf.head) != NULL) { - tty->buf.head = thead->next; - tty_buffer_free(tty, thead); - } - tty->buf.tail = NULL; -} - -/** - * tty_buffer_flush - flush full tty buffers - * @tty: tty to flush - * - * flush all the buffers containing receive data. If the buffer is - * being processed by flush_to_ldisc then we defer the processing - * to that function - * - * Locking: none - */ - -static void tty_buffer_flush(struct tty_struct *tty) -{ - unsigned long flags; - spin_lock_irqsave(&tty->buf.lock, flags); - - /* If the data is being pushed to the tty layer then we can't - process it here. Instead set a flag and the flush_to_ldisc - path will process the flush request before it exits */ - if (test_bit(TTY_FLUSHING, &tty->flags)) { - set_bit(TTY_FLUSHPENDING, &tty->flags); - spin_unlock_irqrestore(&tty->buf.lock, flags); - wait_event(tty->read_wait, - test_bit(TTY_FLUSHPENDING, &tty->flags) == 0); - return; - } else - __tty_buffer_flush(tty); - spin_unlock_irqrestore(&tty->buf.lock, flags); -} - -/** - * tty_buffer_find - find a free tty buffer - * @tty: tty owning the buffer - * @size: characters wanted - * - * Locate an existing suitable tty buffer or if we are lacking one then - * allocate a new one. We round our buffers off in 256 character chunks - * to get better allocation behaviour. - * - * Locking: Caller must hold tty->buf.lock - */ - -static struct tty_buffer *tty_buffer_find(struct tty_struct *tty, size_t size) -{ - struct tty_buffer **tbh = &tty->buf.free; - while ((*tbh) != NULL) { - struct tty_buffer *t = *tbh; - if (t->size >= size) { - *tbh = t->next; - t->next = NULL; - t->used = 0; - t->commit = 0; - t->read = 0; - tty->buf.memory_used += t->size; - return t; - } - tbh = &((*tbh)->next); - } - /* Round the buffer size out */ - size = (size + 0xFF) & ~0xFF; - return tty_buffer_alloc(tty, size); - /* Should possibly check if this fails for the largest buffer we - have queued and recycle that ? */ -} - -/** - * tty_buffer_request_room - grow tty buffer if needed - * @tty: tty structure - * @size: size desired - * - * Make at least size bytes of linear space available for the tty - * buffer. If we fail return the size we managed to find. - * - * Locking: Takes tty->buf.lock - */ -int tty_buffer_request_room(struct tty_struct *tty, size_t size) -{ - struct tty_buffer *b, *n; - int left; - unsigned long flags; - - spin_lock_irqsave(&tty->buf.lock, flags); - - /* OPTIMISATION: We could keep a per tty "zero" sized buffer to - remove this conditional if its worth it. This would be invisible - to the callers */ - if ((b = tty->buf.tail) != NULL) - left = b->size - b->used; - else - left = 0; - - if (left < size) { - /* This is the slow path - looking for new buffers to use */ - if ((n = tty_buffer_find(tty, size)) != NULL) { - if (b != NULL) { - b->next = n; - b->commit = b->used; - } else - tty->buf.head = n; - tty->buf.tail = n; - } else - size = left; - } - - spin_unlock_irqrestore(&tty->buf.lock, flags); - return size; -} -EXPORT_SYMBOL_GPL(tty_buffer_request_room); - -/** - * tty_insert_flip_string - Add characters to the tty buffer - * @tty: tty structure - * @chars: characters - * @size: size - * - * Queue a series of bytes to the tty buffering. All the characters - * passed are marked as without error. Returns the number added. - * - * Locking: Called functions may take tty->buf.lock - */ - -int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, - size_t size) -{ - int copied = 0; - do { - int space = tty_buffer_request_room(tty, size - copied); - struct tty_buffer *tb = tty->buf.tail; - /* If there is no space then tb may be NULL */ - if (unlikely(space == 0)) - break; - memcpy(tb->char_buf_ptr + tb->used, chars, space); - memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); - tb->used += space; - copied += space; - chars += space; - /* There is a small chance that we need to split the data over - several buffers. If this is the case we must loop */ - } while (unlikely(size > copied)); - return copied; -} -EXPORT_SYMBOL(tty_insert_flip_string); - -/** - * tty_insert_flip_string_flags - Add characters to the tty buffer - * @tty: tty structure - * @chars: characters - * @flags: flag bytes - * @size: size - * - * Queue a series of bytes to the tty buffering. For each character - * the flags array indicates the status of the character. Returns the - * number added. - * - * Locking: Called functions may take tty->buf.lock - */ - -int tty_insert_flip_string_flags(struct tty_struct *tty, - const unsigned char *chars, const char *flags, size_t size) -{ - int copied = 0; - do { - int space = tty_buffer_request_room(tty, size - copied); - struct tty_buffer *tb = tty->buf.tail; - /* If there is no space then tb may be NULL */ - if (unlikely(space == 0)) - break; - memcpy(tb->char_buf_ptr + tb->used, chars, space); - memcpy(tb->flag_buf_ptr + tb->used, flags, space); - tb->used += space; - copied += space; - chars += space; - flags += space; - /* There is a small chance that we need to split the data over - several buffers. If this is the case we must loop */ - } while (unlikely(size > copied)); - return copied; -} -EXPORT_SYMBOL(tty_insert_flip_string_flags); - -/** - * tty_schedule_flip - push characters to ldisc - * @tty: tty to push from - * - * Takes any pending buffers and transfers their ownership to the - * ldisc side of the queue. It then schedules those characters for - * processing by the line discipline. - * - * Locking: Takes tty->buf.lock - */ - -void tty_schedule_flip(struct tty_struct *tty) -{ - unsigned long flags; - spin_lock_irqsave(&tty->buf.lock, flags); - if (tty->buf.tail != NULL) - tty->buf.tail->commit = tty->buf.tail->used; - spin_unlock_irqrestore(&tty->buf.lock, flags); - schedule_delayed_work(&tty->buf.work, 1); -} -EXPORT_SYMBOL(tty_schedule_flip); - -/** - * tty_prepare_flip_string - make room for characters - * @tty: tty - * @chars: return pointer for character write area - * @size: desired size - * - * Prepare a block of space in the buffer for data. Returns the length - * available and buffer pointer to the space which is now allocated and - * accounted for as ready for normal characters. This is used for drivers - * that need their own block copy routines into the buffer. There is no - * guarantee the buffer is a DMA target! - * - * Locking: May call functions taking tty->buf.lock - */ - -int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, - size_t size) -{ - int space = tty_buffer_request_room(tty, size); - if (likely(space)) { - struct tty_buffer *tb = tty->buf.tail; - *chars = tb->char_buf_ptr + tb->used; - memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); - tb->used += space; - } - return space; -} - -EXPORT_SYMBOL_GPL(tty_prepare_flip_string); - -/** - * tty_prepare_flip_string_flags - make room for characters - * @tty: tty - * @chars: return pointer for character write area - * @flags: return pointer for status flag write area - * @size: desired size - * - * Prepare a block of space in the buffer for data. Returns the length - * available and buffer pointer to the space which is now allocated and - * accounted for as ready for characters. This is used for drivers - * that need their own block copy routines into the buffer. There is no - * guarantee the buffer is a DMA target! - * - * Locking: May call functions taking tty->buf.lock - */ - -int tty_prepare_flip_string_flags(struct tty_struct *tty, - unsigned char **chars, char **flags, size_t size) -{ - int space = tty_buffer_request_room(tty, size); - if (likely(space)) { - struct tty_buffer *tb = tty->buf.tail; - *chars = tb->char_buf_ptr + tb->used; - *flags = tb->flag_buf_ptr + tb->used; - tb->used += space; - } - return space; -} - -EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags); - - - /** * get_tty_driver - find device of a tty * @dev_t: device identifier @@ -3215,113 +2821,6 @@ void do_SAK(struct tty_struct *tty) EXPORT_SYMBOL(do_SAK); -/** - * flush_to_ldisc - * @work: tty structure passed from work queue. - * - * This routine is called out of the software interrupt to flush data - * from the buffer chain to the line discipline. - * - * Locking: holds tty->buf.lock to guard buffer list. Drops the lock - * while invoking the line discipline receive_buf method. The - * receive_buf method is single threaded for each tty instance. - */ - -static void flush_to_ldisc(struct work_struct *work) -{ - struct tty_struct *tty = - container_of(work, struct tty_struct, buf.work.work); - unsigned long flags; - struct tty_ldisc *disc; - struct tty_buffer *tbuf, *head; - char *char_buf; - unsigned char *flag_buf; - - disc = tty_ldisc_ref(tty); - if (disc == NULL) /* !TTY_LDISC */ - return; - - spin_lock_irqsave(&tty->buf.lock, flags); - /* So we know a flush is running */ - set_bit(TTY_FLUSHING, &tty->flags); - head = tty->buf.head; - if (head != NULL) { - tty->buf.head = NULL; - for (;;) { - int count = head->commit - head->read; - if (!count) { - if (head->next == NULL) - break; - tbuf = head; - head = head->next; - tty_buffer_free(tty, tbuf); - continue; - } - /* Ldisc or user is trying to flush the buffers - we are feeding to the ldisc, stop feeding the - line discipline as we want to empty the queue */ - if (test_bit(TTY_FLUSHPENDING, &tty->flags)) - break; - if (!tty->receive_room) { - schedule_delayed_work(&tty->buf.work, 1); - break; - } - if (count > tty->receive_room) - count = tty->receive_room; - char_buf = head->char_buf_ptr + head->read; - flag_buf = head->flag_buf_ptr + head->read; - head->read += count; - spin_unlock_irqrestore(&tty->buf.lock, flags); - disc->ops->receive_buf(tty, char_buf, - flag_buf, count); - spin_lock_irqsave(&tty->buf.lock, flags); - } - /* Restore the queue head */ - tty->buf.head = head; - } - /* We may have a deferred request to flush the input buffer, - if so pull the chain under the lock and empty the queue */ - if (test_bit(TTY_FLUSHPENDING, &tty->flags)) { - __tty_buffer_flush(tty); - clear_bit(TTY_FLUSHPENDING, &tty->flags); - wake_up(&tty->read_wait); - } - clear_bit(TTY_FLUSHING, &tty->flags); - spin_unlock_irqrestore(&tty->buf.lock, flags); - - tty_ldisc_deref(disc); -} - -/** - * tty_flip_buffer_push - terminal - * @tty: tty to push - * - * Queue a push of the terminal flip buffers to the line discipline. This - * function must not be called from IRQ context if tty->low_latency is set. - * - * In the event of the queue being busy for flipping the work will be - * held off and retried later. - * - * Locking: tty buffer lock. Driver locks in low latency mode. - */ - -void tty_flip_buffer_push(struct tty_struct *tty) -{ - unsigned long flags; - spin_lock_irqsave(&tty->buf.lock, flags); - if (tty->buf.tail != NULL) - tty->buf.tail->commit = tty->buf.tail->used; - spin_unlock_irqrestore(&tty->buf.lock, flags); - - if (tty->low_latency) - flush_to_ldisc(&tty->buf.work.work); - else - schedule_delayed_work(&tty->buf.work, 1); -} - -EXPORT_SYMBOL(tty_flip_buffer_push); - - /** * initialize_tty_struct * @tty: tty to initialize @@ -3342,7 +2841,6 @@ static void initialize_tty_struct(struct tty_struct *tty) tty->overrun_time = jiffies; tty->buf.head = tty->buf.tail = NULL; tty_buffer_init(tty); - INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc); mutex_init(&tty->termios_mutex); init_waitqueue_head(&tty->write_wait); init_waitqueue_head(&tty->read_wait); diff --git a/include/linux/tty.h b/include/linux/tty.h index 0cbec74ec086..7271c6247d82 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -347,6 +347,9 @@ extern void __do_SAK(struct tty_struct *tty); extern void disassociate_ctty(int priv); extern void no_tty(void); extern void tty_flip_buffer_push(struct tty_struct *tty); +extern void tty_buffer_free_all(struct tty_struct *tty); +extern void tty_buffer_flush(struct tty_struct *tty); +extern void tty_buffer_init(struct tty_struct *tty); extern speed_t tty_get_baud_rate(struct tty_struct *tty); extern speed_t tty_termios_baud_rate(struct ktermios *termios); extern speed_t tty_termios_input_baud_rate(struct ktermios *termios); -- GitLab From 9e48565d217a8a96cc7577308ad41e9e4b806a62 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:37:07 +0100 Subject: [PATCH 4353/6244] tty: Split tty_port into its own file Not much in it yet but this will grow a lot Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/Makefile | 2 +- drivers/char/tty_io.c | 36 --------------------------- drivers/char/tty_port.c | 55 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 56 insertions(+), 37 deletions(-) create mode 100644 drivers/char/tty_port.c diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 77ea41b88ea8..1a4247dccac4 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -7,7 +7,7 @@ # FONTMAPFILE = cp437.uni -obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o +obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o tty_port.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 3a726936aa5b..732316899ca4 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1139,42 +1139,6 @@ ssize_t redirected_tty_write(struct file *file, const char __user *buf, return tty_write(file, buf, count, ppos); } -void tty_port_init(struct tty_port *port) -{ - memset(port, 0, sizeof(*port)); - init_waitqueue_head(&port->open_wait); - init_waitqueue_head(&port->close_wait); - mutex_init(&port->mutex); - port->close_delay = (50 * HZ) / 100; - port->closing_wait = (3000 * HZ) / 100; -} -EXPORT_SYMBOL(tty_port_init); - -int tty_port_alloc_xmit_buf(struct tty_port *port) -{ - /* We may sleep in get_zeroed_page() */ - mutex_lock(&port->mutex); - if (port->xmit_buf == NULL) - port->xmit_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL); - mutex_unlock(&port->mutex); - if (port->xmit_buf == NULL) - return -ENOMEM; - return 0; -} -EXPORT_SYMBOL(tty_port_alloc_xmit_buf); - -void tty_port_free_xmit_buf(struct tty_port *port) -{ - mutex_lock(&port->mutex); - if (port->xmit_buf != NULL) { - free_page((unsigned long)port->xmit_buf); - port->xmit_buf = NULL; - } - mutex_unlock(&port->mutex); -} -EXPORT_SYMBOL(tty_port_free_xmit_buf); - - static char ptychar[] = "pqrstuvwxyzabcde"; /** diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c new file mode 100644 index 000000000000..6fadb19d630b --- /dev/null +++ b/drivers/char/tty_port.c @@ -0,0 +1,55 @@ +/* + * Tty port functions + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void tty_port_init(struct tty_port *port) +{ + memset(port, 0, sizeof(*port)); + init_waitqueue_head(&port->open_wait); + init_waitqueue_head(&port->close_wait); + mutex_init(&port->mutex); + port->close_delay = (50 * HZ) / 100; + port->closing_wait = (3000 * HZ) / 100; +} +EXPORT_SYMBOL(tty_port_init); + +int tty_port_alloc_xmit_buf(struct tty_port *port) +{ + /* We may sleep in get_zeroed_page() */ + mutex_lock(&port->mutex); + if (port->xmit_buf == NULL) + port->xmit_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL); + mutex_unlock(&port->mutex); + if (port->xmit_buf == NULL) + return -ENOMEM; + return 0; +} +EXPORT_SYMBOL(tty_port_alloc_xmit_buf); + +void tty_port_free_xmit_buf(struct tty_port *port) +{ + mutex_lock(&port->mutex); + if (port->xmit_buf != NULL) { + free_page((unsigned long)port->xmit_buf); + port->xmit_buf = NULL; + } + mutex_unlock(&port->mutex); +} +EXPORT_SYMBOL(tty_port_free_xmit_buf); + + -- GitLab From 348eb12e5598be97400c749d3d93a71856ae0b2b Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:37:17 +0100 Subject: [PATCH 4354/6244] pps: Reserve a line discipline number for PPS Add a new line discipline for "pulse per second" devices connected to a serial port. Signed-off-by: Rodolfo Giometti Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- include/linux/tty.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/tty.h b/include/linux/tty.h index 7271c6247d82..e3612c3ac194 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -23,7 +23,7 @@ */ #define NR_UNIX98_PTY_DEFAULT 4096 /* Default maximum for Unix98 ptys */ #define NR_UNIX98_PTY_MAX (1 << MINORBITS) /* Absolute limit */ -#define NR_LDISCS 18 +#define NR_LDISCS 19 /* line disciplines */ #define N_TTY 0 @@ -45,6 +45,7 @@ #define N_HCI 15 /* Bluetooth HCI UART */ #define N_GIGASET_M101 16 /* Siemens Gigaset M101 serial DECT adapter */ #define N_SLCAN 17 /* Serial / USB serial CAN Adaptors */ +#define N_PPS 18 /* Pulse per Second */ /* * This character is the same as _POSIX_VDISABLE: it cannot be used as -- GitLab From 9c9f4ded90a59eee84e15f5fd38c03d60184e112 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:37:26 +0100 Subject: [PATCH 4355/6244] tty: Add a kref count Introduce a kref to the tty structure and use it to protect the tty->signal tty references. For now we don't introduce it for anything else. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 54 ++++++++++++++++++++++++++++++++++++++----- include/linux/tty.h | 18 +++++++++++++++ kernel/fork.c | 5 +++- kernel/sys.c | 4 +--- 4 files changed, 71 insertions(+), 10 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 732316899ca4..310e0703e4a1 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -559,6 +559,7 @@ static void do_tty_hangup(struct work_struct *work) struct tty_ldisc *ld; int closecount = 0, n; unsigned long flags; + int refs = 0; if (!tty) return; @@ -625,8 +626,12 @@ static void do_tty_hangup(struct work_struct *work) if (tty->session) { do_each_pid_task(tty->session, PIDTYPE_SID, p) { spin_lock_irq(&p->sighand->siglock); - if (p->signal->tty == tty) + if (p->signal->tty == tty) { p->signal->tty = NULL; + /* We defer the dereferences outside fo + the tasklist lock */ + refs++; + } if (!p->signal->leader) { spin_unlock_irq(&p->sighand->siglock); continue; @@ -652,6 +657,10 @@ static void do_tty_hangup(struct work_struct *work) tty->ctrl_status = 0; spin_unlock_irqrestore(&tty->ctrl_lock, flags); + /* Account for the p->signal references we killed */ + while (refs--) + tty_kref_put(tty); + /* * If one of the devices matches a console pointer, we * cannot just call hangup() because that will cause @@ -1424,6 +1433,7 @@ release_mem_out: /** * release_one_tty - release tty structure memory + * @kref: kref of tty we are obliterating * * Releases memory associated with a tty structure, and clears out the * driver table slots. This function is called when a device is no longer @@ -1433,17 +1443,19 @@ release_mem_out: * tty_mutex - sometimes only * takes the file list lock internally when working on the list * of ttys that the driver keeps. - * FIXME: should we require tty_mutex is held here ?? */ -static void release_one_tty(struct tty_struct *tty, int idx) +static void release_one_tty(struct kref *kref) { + struct tty_struct *tty = container_of(kref, struct tty_struct, kref); int devpts = tty->driver->flags & TTY_DRIVER_DEVPTS_MEM; struct ktermios *tp; + int idx = tty->index; if (!devpts) tty->driver->ttys[idx] = NULL; if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) { + /* FIXME: Locking on ->termios array */ tp = tty->termios; if (!devpts) tty->driver->termios[idx] = NULL; @@ -1457,6 +1469,7 @@ static void release_one_tty(struct tty_struct *tty, int idx) tty->magic = 0; + /* FIXME: locking on tty->driver->refcount */ tty->driver->refcount--; file_list_lock(); @@ -1466,6 +1479,21 @@ static void release_one_tty(struct tty_struct *tty, int idx) free_tty_struct(tty); } +/** + * tty_kref_put - release a tty kref + * @tty: tty device + * + * Release a reference to a tty device and if need be let the kref + * layer destruct the object for us + */ + +void tty_kref_put(struct tty_struct *tty) +{ + if (tty) + kref_put(&tty->kref, release_one_tty); +} +EXPORT_SYMBOL(tty_kref_put); + /** * release_tty - release tty structure memory * @@ -1477,14 +1505,20 @@ static void release_one_tty(struct tty_struct *tty, int idx) * takes the file list lock internally when working on the list * of ttys that the driver keeps. * FIXME: should we require tty_mutex is held here ?? + * + * FIXME: We want to defer the module put of the driver to the + * destructor. */ static void release_tty(struct tty_struct *tty, int idx) { struct tty_driver *driver = tty->driver; + /* This should always be true but check for the moment */ + WARN_ON(tty->index != idx); + if (tty->link) - release_one_tty(tty->link, idx); - release_one_tty(tty, idx); + tty_kref_put(tty->link); + tty_kref_put(tty); module_put(driver->owner); } @@ -2798,6 +2832,7 @@ EXPORT_SYMBOL(do_SAK); static void initialize_tty_struct(struct tty_struct *tty) { memset(tty, 0, sizeof(struct tty_struct)); + kref_init(&tty->kref); tty->magic = TTY_MAGIC; tty_ldisc_init(tty); tty->session = NULL; @@ -3053,9 +3088,12 @@ EXPORT_SYMBOL(tty_devnum); void proc_clear_tty(struct task_struct *p) { + struct tty_struct *tty; spin_lock_irq(&p->sighand->siglock); + tty = p->signal->tty; p->signal->tty = NULL; spin_unlock_irq(&p->sighand->siglock); + tty_kref_put(tty); } /* Called under the sighand lock */ @@ -3071,9 +3109,13 @@ static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) tty->pgrp = get_pid(task_pgrp(tsk)); spin_unlock_irqrestore(&tty->ctrl_lock, flags); tty->session = get_pid(task_session(tsk)); + if (tsk->signal->tty) { + printk(KERN_DEBUG "tty not NULL!!\n"); + tty_kref_put(tsk->signal->tty); + } } put_pid(tsk->signal->tty_old_pgrp); - tsk->signal->tty = tty; + tsk->signal->tty = tty_kref_get(tty); tsk->signal->tty_old_pgrp = NULL; } diff --git a/include/linux/tty.h b/include/linux/tty.h index e3612c3ac194..b6e6c26883ee 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -209,6 +209,7 @@ struct tty_operations; struct tty_struct { int magic; + struct kref kref; struct tty_driver *driver; const struct tty_operations *ops; int index; @@ -311,6 +312,23 @@ extern int kmsg_redirect; extern void console_init(void); extern int vcs_init(void); +/** + * tty_kref_get - get a tty reference + * @tty: tty device + * + * Return a new reference to a tty object. The caller must hold + * sufficient locks/counts to ensure that their existing reference cannot + * go away + */ + +extern inline struct tty_struct *tty_kref_get(struct tty_struct *tty) +{ + if (tty) + kref_get(&tty->kref); + return tty; +} +extern void tty_kref_put(struct tty_struct *tty); + extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode, const char *routine); extern char *tty_name(struct tty_struct *tty, char *buf); diff --git a/kernel/fork.c b/kernel/fork.c index 7ce2ebe84796..30de644a40c4 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -802,6 +802,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) sig->leader = 0; /* session leadership doesn't inherit */ sig->tty_old_pgrp = NULL; + sig->tty = NULL; sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero; sig->gtime = cputime_zero; @@ -838,6 +839,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) void __cleanup_signal(struct signal_struct *sig) { exit_thread_group_keys(sig); + tty_kref_put(sig->tty); kmem_cache_free(signal_cachep, sig); } @@ -1227,7 +1229,8 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->nsproxy->pid_ns->child_reaper = p; p->signal->leader_pid = pid; - p->signal->tty = current->signal->tty; + tty_kref_put(p->signal->tty); + p->signal->tty = tty_kref_get(current->signal->tty); set_task_pgrp(p, task_pgrp_nr(current)); set_task_session(p, task_session_nr(current)); attach_pid(p, PIDTYPE_PGID, task_pgrp(current)); diff --git a/kernel/sys.c b/kernel/sys.c index 038a7bc0901d..234d9454294e 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1060,9 +1060,7 @@ asmlinkage long sys_setsid(void) group_leader->signal->leader = 1; __set_special_pids(sid); - spin_lock(&group_leader->sighand->siglock); - group_leader->signal->tty = NULL; - spin_unlock(&group_leader->sighand->siglock); + proc_clear_tty(group_leader); err = session; out: -- GitLab From 6f967f7891076abc09e12ce952f85825e7ee8caf Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:37:36 +0100 Subject: [PATCH 4356/6244] tty: use krefs to protect driver module counts The tty layer keeps driver module counts that are used so the driver knows when it can be unloaded. For obvious reasons we want to tie that to the refcounting properly. At this point the driver side itself isn't refcounted nicely but we can do that later and kref the drivers. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 310e0703e4a1..fa162c93ee02 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1293,6 +1293,12 @@ static int init_dev(struct tty_driver *driver, int idx, o_tty = alloc_tty_struct(); if (!o_tty) goto free_mem_out; + if (!try_module_get(driver->other->owner)) { + /* This cannot in fact currently happen */ + free_tty_struct(o_tty); + o_tty = NULL; + goto free_mem_out; + } initialize_tty_struct(o_tty); o_tty->driver = driver->other; o_tty->ops = driver->ops; @@ -1411,8 +1417,10 @@ end_init: /* Release locally allocated memory ... nothing placed in slots */ free_mem_out: kfree(o_tp); - if (o_tty) + if (o_tty) { + module_put(o_tty->driver->owner); free_tty_struct(o_tty); + } kfree(ltp); kfree(tp); free_tty_struct(tty); @@ -1447,6 +1455,7 @@ release_mem_out: static void release_one_tty(struct kref *kref) { struct tty_struct *tty = container_of(kref, struct tty_struct, kref); + struct tty_driver *driver = tty->driver; int devpts = tty->driver->flags & TTY_DRIVER_DEVPTS_MEM; struct ktermios *tp; int idx = tty->index; @@ -1471,6 +1480,7 @@ static void release_one_tty(struct kref *kref) tty->magic = 0; /* FIXME: locking on tty->driver->refcount */ tty->driver->refcount--; + module_put(driver->owner); file_list_lock(); list_del_init(&tty->tty_files); @@ -1506,20 +1516,15 @@ EXPORT_SYMBOL(tty_kref_put); * of ttys that the driver keeps. * FIXME: should we require tty_mutex is held here ?? * - * FIXME: We want to defer the module put of the driver to the - * destructor. */ static void release_tty(struct tty_struct *tty, int idx) { - struct tty_driver *driver = tty->driver; - /* This should always be true but check for the moment */ WARN_ON(tty->index != idx); if (tty->link) tty_kref_put(tty->link); tty_kref_put(tty); - module_put(driver->owner); } /* -- GitLab From c26c56c0f40e200e61d1390629c806f6adaffbcc Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:37:48 +0100 Subject: [PATCH 4357/6244] tty: Cris has a nice RS485 ioctl so we should steal it JP Tosoni observed: "About a RS485 ioctl: could you consider the attached files which are already in the Linux kernel (in include/asm-cris). They define a TIOCSERSETRS485 (ioctl.h), and the data structure (rs485.h) with allows to specify timings. Sounds just like what we want ?" and he's right: sort of. Rework the structure to use flag bits and make the time delay a fixed sized field so we don't get 32/64bit problems. Add the ioctls to x86 so that people know what to add to their platform of choice. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- include/asm-x86/ioctls.h | 2 ++ include/linux/serial.h | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/asm-x86/ioctls.h b/include/asm-x86/ioctls.h index 336603512399..1a8ac45b28be 100644 --- a/include/asm-x86/ioctls.h +++ b/include/asm-x86/ioctls.h @@ -51,6 +51,8 @@ #define TCSETS2 _IOW('T', 0x2B, struct termios2) #define TCSETSW2 _IOW('T', 0x2C, struct termios2) #define TCSETSF2 _IOW('T', 0x2D, struct termios2) +#define TIOCGRS485 0x542E +#define TIOCSRS485 0x542F #define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ diff --git a/include/linux/serial.h b/include/linux/serial.h index deb714314fb1..1ea8d9265bf6 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -173,6 +173,22 @@ struct serial_icounter_struct { int reserved[9]; }; +/* + * Serial interface for controlling RS485 settings on chips with suitable + * support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your + * platform. The set function returns the new state, with any unsupported bits + * reverted appropriately. + */ + +struct serial_rs485 { + __u32 flags; /* RS485 feature flags */ +#define SER_RS485_ENABLED (1 << 0) +#define SER_RS485_RTS_ON_SEND (1 << 1) +#define SER_RS485_RTS_AFTER_SEND (1 << 2) + __u32 delay_rts_before_send; /* Milliseconds */ + __u32 padding[6]; /* Memory is cheap, new structs + are a royal PITA .. */ +}; #ifdef __KERNEL__ #include -- GitLab From 5aaa70a80f5bbfcc4d6a1f844bdd1c5d6b445b5f Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:38:07 +0100 Subject: [PATCH 4358/6244] tty: ipw need reworking This came in via another tree and unfortunately is rather broken on the tty side. Comment the apparent locking problems for someone who knows the driver to look at. Fix the termios and other ioctl handling. The driver was calling the wrong methods for what it wanted to do but the right ones existed so its a simple fix up. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pcmcia/ipwireless/tty.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c index 3a23e7694d55..569f2f7743a7 100644 --- a/drivers/char/pcmcia/ipwireless/tty.c +++ b/drivers/char/pcmcia/ipwireless/tty.c @@ -276,6 +276,7 @@ static int ipw_write_room(struct tty_struct *linux_tty) struct ipw_tty *tty = linux_tty->driver_data; int room; + /* FIXME: Exactly how is the tty object locked here .. */ if (!tty) return -ENODEV; @@ -397,6 +398,7 @@ static int set_control_lines(struct ipw_tty *tty, unsigned int set, static int ipw_tiocmget(struct tty_struct *linux_tty, struct file *file) { struct ipw_tty *tty = linux_tty->driver_data; + /* FIXME: Exactly how is the tty object locked here .. */ if (!tty) return -ENODEV; @@ -412,6 +414,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, struct file *file, unsigned int set, unsigned int clear) { struct ipw_tty *tty = linux_tty->driver_data; + /* FIXME: Exactly how is the tty object locked here .. */ if (!tty) return -ENODEV; @@ -433,6 +436,8 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file, if (!tty->open_count) return -EINVAL; + /* FIXME: Exactly how is the tty object locked here .. */ + switch (cmd) { case TIOCGSERIAL: return ipwireless_get_serial_info(tty, (void __user *) arg); @@ -467,13 +472,6 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file, } return 0; - case TCGETS: - case TCGETA: - return n_tty_ioctl(linux_tty, file, cmd, arg); - - case TCFLSH: - return n_tty_ioctl(linux_tty, file, cmd, arg); - case FIONREAD: { int val = 0; @@ -482,10 +480,11 @@ static int ipw_ioctl(struct tty_struct *linux_tty, struct file *file, return -EFAULT; } return 0; + case TCFLSH: + return tty_perform_flush(linux_tty, arg); } } - - return -ENOIOCTLCMD; + return tty_mode_ioctl(linux_tty, file, cmd , arg); } static int add_tty(dev_node_t *nodesp, int j, @@ -588,6 +587,8 @@ void ipwireless_tty_free(struct ipw_tty *tty) tty_hangup(ttyj->linux_tty); /* Wait till the tty_hangup has completed */ flush_scheduled_work(); + /* FIXME: Exactly how is the tty object locked here + against a parallel ioctl etc */ mutex_lock(&ttyj->ipw_tty_mutex); } while (ttyj->open_count) -- GitLab From 1d65b4a088de407e99714fdc27862449db04fb5c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:38:18 +0100 Subject: [PATCH 4359/6244] tty: Add termiox We need a way to describe the various additional modes and flow control features that random weird hardware shows up and software such as wine wants to emulate as Windows supports them. TCGETX/TCSETX and the termiox ioctl are a SYS5 extension that we might as well adopt. This patches adds the structures and the basic ioctl interfaces when the TCGETX etc defines are added for an architecture. Drivers wishing to use this stuff need to add new methods. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_ioctl.c | 58 ++++++++++++++++++++++++++++++++++++++ include/asm-x86/ioctls.h | 4 +++ include/linux/termios.h | 15 ++++++++++ include/linux/tty.h | 1 + include/linux/tty_driver.h | 9 ++++++ 5 files changed, 87 insertions(+) diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index bf34e4597421..93bfa1d6cc92 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -579,6 +579,50 @@ static int get_termio(struct tty_struct *tty, struct termio __user *termio) return 0; } + +#ifdef TCGETX + +/** + * set_termiox - set termiox fields if possible + * @tty: terminal + * @arg: termiox structure from user + * @opt: option flags for ioctl type + * + * Implement the device calling points for the SYS5 termiox ioctl + * interface in Linux + */ + +static int set_termiox(struct tty_struct *tty, void __user *arg, int opt) +{ + struct termiox tnew; + struct tty_ldisc *ld; + + if (tty->termiox == NULL) + return -EINVAL; + if (copy_from_user(&tnew, arg, sizeof(struct termiox))) + return -EFAULT; + + ld = tty_ldisc_ref(tty); + if (ld != NULL) { + if ((opt & TERMIOS_FLUSH) && ld->ops->flush_buffer) + ld->ops->flush_buffer(tty); + tty_ldisc_deref(ld); + } + if (opt & TERMIOS_WAIT) { + tty_wait_until_sent(tty, 0); + if (signal_pending(current)) + return -EINTR; + } + + mutex_lock(&tty->termios_mutex); + if (tty->ops->set_termiox) + tty->ops->set_termiox(tty, &tnew); + mutex_unlock(&tty->termios_mutex); + return 0; +} + +#endif + static unsigned long inq_canon(struct tty_struct *tty) { int nr, head, tail; @@ -936,6 +980,20 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, return -EFAULT; return 0; #endif +#ifdef TCGETX + case TCGETX: + if (real_tty->termiox == NULL) + return -EINVAL; + if (copy_to_user(p, real_tty->termiox, sizeof(struct termiox))) + return -EFAULT; + return 0; + case TCSETX: + return set_termiox(real_tty, p, 0); + case TCSETXW: + return set_termiox(real_tty, p, TERMIOS_WAIT); + case TCSETXF: + return set_termiox(real_tty, p, TERMIOS_FLUSH); +#endif case TIOCGSOFTCAR: /* FIXME: for correctness we may need to take the termios lock here - review */ diff --git a/include/asm-x86/ioctls.h b/include/asm-x86/ioctls.h index 1a8ac45b28be..06752a649044 100644 --- a/include/asm-x86/ioctls.h +++ b/include/asm-x86/ioctls.h @@ -56,6 +56,10 @@ #define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ +#define TCGETX 0x5432 /* SYS5 TCGETX compatibility */ +#define TCSETX 0x5433 +#define TCSETXF 0x5434 +#define TCSETXW 0x5435 #define FIONCLEX 0x5450 #define FIOCLEX 0x5451 diff --git a/include/linux/termios.h b/include/linux/termios.h index 478662889f48..2acd0c1f8a2a 100644 --- a/include/linux/termios.h +++ b/include/linux/termios.h @@ -4,4 +4,19 @@ #include #include +#define NFF 5 + +struct termiox +{ + __u16 x_hflag; + __u16 x_cflag; + __u16 x_rflag[NFF]; + __u16 x_sflag; +}; + +#define RTSXOFF 0x0001 /* RTS flow control on input */ +#define CTSXON 0x0002 /* CTS flow control on output */ +#define DTRXOFF 0x0004 /* DTR flow control on input */ +#define DSRXON 0x0008 /* DCD flow control on output */ + #endif diff --git a/include/linux/tty.h b/include/linux/tty.h index b6e6c26883ee..b64d10b66548 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -219,6 +219,7 @@ struct tty_struct { spinlock_t ctrl_lock; /* Termios values are protected by the termios mutex */ struct ktermios *termios, *termios_locked; + struct termiox *termiox; /* May be NULL for unsupported */ char name[64]; struct pid *pgrp; /* Protected by ctrl lock */ struct pid *session; diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 16d27944c321..ac6e58e26b73 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -180,6 +180,14 @@ * not force errors here if they are not resizable objects (eg a serial * line). See tty_do_resize() if you need to wrap the standard method * in your own logic - the usual case. + * + * void (*set_termiox)(struct tty_struct *tty, struct termiox *new); + * + * Called when the device receives a termiox based ioctl. Passes down + * the requested data from user space. This method will not be invoked + * unless the tty also has a valid tty->termiox pointer. + * + * Optional: Called under the termios lock */ #include @@ -220,6 +228,7 @@ struct tty_operations { unsigned int set, unsigned int clear); int (*resize)(struct tty_struct *tty, struct tty_struct *real_tty, struct winsize *ws); + int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); int (*poll_get_char)(struct tty_driver *driver, int line); -- GitLab From 8f520021837d45c47d0ab57e7271f8d88bf7f3a4 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:38:46 +0100 Subject: [PATCH 4360/6244] tty: Termios locking - sort out real_tty confusions and lock reads This moves us towards sanity and should mean our termios locking is now complete and comprehensive. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 2 +- drivers/char/tty_ioctl.c | 58 ++++++++++++++++++++++++++-------------- 2 files changed, 39 insertions(+), 21 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index fa162c93ee02..ac53d7f9b5d4 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2605,7 +2605,7 @@ long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case TIOCSTI: return tiocsti(tty, p); case TIOCGWINSZ: - return tiocgwinsz(tty, p); + return tiocgwinsz(real_tty, p); case TIOCSWINSZ: return tiocswinsz(tty, real_tty, p); case TIOCCONS: diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 93bfa1d6cc92..30670851e51a 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -893,6 +893,7 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, { struct tty_struct *real_tty; void __user *p = (void __user *)arg; + int ret = 0; if (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER) @@ -928,18 +929,24 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, return set_termios(real_tty, p, TERMIOS_OLD); #ifndef TCGETS2 case TCGETS: + mutex_lock(&real_tty->termios_mutex); if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; #else case TCGETS: + mutex_lock(&real_tty->termios_mutex); if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; case TCGETS2: + mutex_lock(&real_tty->termios_mutex); if (kernel_termios_to_user_termios((struct termios2 __user *)arg, real_tty->termios)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; case TCSETSF2: return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT); case TCSETSW2: @@ -957,36 +964,46 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, return set_termios(real_tty, p, TERMIOS_TERMIO); #ifndef TCGETS2 case TIOCGLCKTRMIOS: + mutex_lock(&real_tty->termios_mutex); if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; case TIOCSLCKTRMIOS: if (!capable(CAP_SYS_ADMIN)) return -EPERM; + mutex_lock(&real_tty->termios_mutex); if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; #else case TIOCGLCKTRMIOS: + mutex_lock(&real_tty->termios_mutex); if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; case TIOCSLCKTRMIOS: if (!capable(CAP_SYS_ADMIN)) - return -EPERM; + ret = -EPERM; + mutex_lock(&real_tty->termios_mutex); if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg)) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; #endif #ifdef TCGETX case TCGETX: if (real_tty->termiox == NULL) return -EINVAL; + mutex_lock(&real_tty->termios_mutex); if (copy_to_user(p, real_tty->termiox, sizeof(struct termiox))) - return -EFAULT; - return 0; + ret = -EFAULT; + mutex_unlock(&real_tty->termios_mutex); + return ret; case TCSETX: return set_termiox(real_tty, p, 0); case TCSETXW: @@ -995,10 +1012,11 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file, return set_termiox(real_tty, p, TERMIOS_FLUSH); #endif case TIOCGSOFTCAR: - /* FIXME: for correctness we may need to take the termios - lock here - review */ - return put_user(C_CLOCAL(real_tty) ? 1 : 0, + mutex_lock(&real_tty->termios_mutex); + ret = put_user(C_CLOCAL(real_tty) ? 1 : 0, (int __user *)arg); + mutex_unlock(&real_tty->termios_mutex); + return ret; case TIOCSSOFTCAR: if (get_user(arg, (unsigned int __user *) arg)) return -EFAULT; -- GitLab From f4d2a6c2096b764decb20070b1bf4356de9144a8 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:39:01 +0100 Subject: [PATCH 4361/6244] tty: compare the tty winsize We always use the real tty one for stuff so the pty one should not be compared. As we propagate window changes to both it doesn't currently matter but will when we tidy up the pty termios logic a bit more Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index ac53d7f9b5d4..9a76db3cda1c 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2133,7 +2133,7 @@ int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, /* For a PTY we need to lock the tty side */ mutex_lock(&real_tty->termios_mutex); - if (!memcmp(ws, &tty->winsize, sizeof(*ws))) + if (!memcmp(ws, &real_tty->winsize, sizeof(*ws))) goto done; /* Get the PID values and reference them so we can avoid holding the tty ctrl lock while sending signals */ -- GitLab From 452a00d2ee288f2cbc36f676edd06cb14d2878c1 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:39:13 +0100 Subject: [PATCH 4362/6244] tty: Make get_current_tty use a kref We now return a kref covered tty reference. That ensures the tty structure doesn't go away when you have a return from get_current_tty. This is not enough to protect you from most of the resources being freed behind your back - yet. [Updated to include fixes for SELinux problems found by Andrew Morton and an s390 leak found while debugging the former] Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 10 ++++++---- drivers/s390/char/fs3270.c | 3 ++- fs/dquot.c | 6 +++--- security/selinux/hooks.c | 3 ++- 4 files changed, 13 insertions(+), 9 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 9a76db3cda1c..4c0e4ed31a48 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -786,12 +786,12 @@ void disassociate_ctty(int on_exit) tty = get_current_tty(); if (tty) { tty_pgrp = get_pid(tty->pgrp); - lock_kernel(); mutex_unlock(&tty_mutex); - /* XXX: here we race, there is nothing protecting tty */ + lock_kernel(); if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) tty_vhangup(tty); unlock_kernel(); + tty_kref_put(tty); } else if (on_exit) { struct pid *old_pgrp; spin_lock_irq(¤t->sighand->siglock); @@ -819,7 +819,6 @@ void disassociate_ctty(int on_exit) spin_unlock_irq(¤t->sighand->siglock); mutex_lock(&tty_mutex); - /* It is possible that do_tty_hangup has free'd this tty */ tty = get_current_tty(); if (tty) { unsigned long flags; @@ -829,6 +828,7 @@ void disassociate_ctty(int on_exit) tty->session = NULL; tty->pgrp = NULL; spin_unlock_irqrestore(&tty->ctrl_lock, flags); + tty_kref_put(tty); } else { #ifdef TTY_DEBUG_HANGUP printk(KERN_DEBUG "error attempted to write to tty [0x%p]" @@ -1806,6 +1806,8 @@ retry_open: index = tty->index; filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */ /* noctty = 1; */ + /* FIXME: Should we take a driver reference ? */ + tty_kref_put(tty); goto got_driver; } #ifdef CONFIG_VT @@ -3135,7 +3137,7 @@ struct tty_struct *get_current_tty(void) { struct tty_struct *tty; WARN_ON_ONCE(!mutex_is_locked(&tty_mutex)); - tty = current->signal->tty; + tty = tty_kref_get(current->signal->tty); /* * session->tty can be changed/cleared from under us, make sure we * issue the load. The obtained pointer, when not NULL, is valid as diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index d18e6d2e0b49..3ef5425d0eb8 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -430,11 +430,12 @@ fs3270_open(struct inode *inode, struct file *filp) mutex_lock(&tty_mutex); tty = get_current_tty(); if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) { - mutex_unlock(&tty_mutex); + tty_kref_put(tty); rc = -ENODEV; goto out; } minor = tty->index + RAW3270_FIRSTMINOR; + tty_kref_put(tty); mutex_unlock(&tty_mutex); } /* Check if some other program is already using fullscreen mode. */ diff --git a/fs/dquot.c b/fs/dquot.c index 8ec4d6cc7633..7417a6ca3129 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -897,8 +897,9 @@ static void print_warning(struct dquot *dquot, const int warntype) mutex_lock(&tty_mutex); tty = get_current_tty(); + mutex_unlock(&tty_mutex); if (!tty) - goto out_lock; + return; tty_write_message(tty, dquot->dq_sb->s_id); if (warntype == QUOTA_NL_ISOFTWARN || warntype == QUOTA_NL_BSOFTWARN) tty_write_message(tty, ": warning, "); @@ -926,8 +927,7 @@ static void print_warning(struct dquot *dquot, const int warntype) break; } tty_write_message(tty, msg); -out_lock: - mutex_unlock(&tty_mutex); + tty_kref_put(tty); } #endif diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 4a7374c12d9c..089d61a23952 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2123,6 +2123,7 @@ static inline void flush_unauthorized_files(struct files_struct *files) mutex_lock(&tty_mutex); tty = get_current_tty(); + mutex_unlock(&tty_mutex); if (tty) { file_list_lock(); file = list_entry(tty->tty_files.next, typeof(*file), f_u.fu_list); @@ -2139,8 +2140,8 @@ static inline void flush_unauthorized_files(struct files_struct *files) } } file_list_unlock(); + tty_kref_put(tty); } - mutex_unlock(&tty_mutex); /* Reset controlling tty. */ if (drop_tty) no_tty(); -- GitLab From 95f9bfc6b76e862265a2d70ae061eec18fe14140 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:39:23 +0100 Subject: [PATCH 4363/6244] tty: Move tty_write_message out of kernel/printk This is pure tty code so put it in the tty layer where it can be with the locking relevant material it uses Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 25 +++++++++++++++++++++++++ kernel/printk.c | 16 ---------------- 2 files changed, 25 insertions(+), 16 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 4c0e4ed31a48..913b50258f90 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1081,6 +1081,31 @@ out: return ret; } +/** + * tty_write_message - write a message to a certain tty, not just the console. + * @tty: the destination tty_struct + * @msg: the message to write + * + * This is used for messages that need to be redirected to a specific tty. + * We don't put it into the syslog queue right now maybe in the future if + * really needed. + * + * We must still hold the BKL and test the CLOSING flag for the moment. + */ + +void tty_write_message(struct tty_struct *tty, char *msg) +{ + lock_kernel(); + if (tty) { + mutex_lock(&tty->atomic_write_lock); + if (tty->ops->write && !test_bit(TTY_CLOSING, &tty->flags)) + tty->ops->write(tty, msg, strlen(msg)); + tty_write_unlock(tty); + } + unlock_kernel(); + return; +} + /** * tty_write - write method for tty device file diff --git a/kernel/printk.c b/kernel/printk.c index b51b1567bb55..a430fd04008b 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1291,22 +1291,6 @@ static int __init disable_boot_consoles(void) } late_initcall(disable_boot_consoles); -/** - * tty_write_message - write a message to a certain tty, not just the console. - * @tty: the destination tty_struct - * @msg: the message to write - * - * This is used for messages that need to be redirected to a specific tty. - * We don't put it into the syslog queue right now maybe in the future if - * really needed. - */ -void tty_write_message(struct tty_struct *tty, char *msg) -{ - if (tty && tty->ops->write) - tty->ops->write(tty, msg, strlen(msg)); - return; -} - #if defined CONFIG_PRINTK /* -- GitLab From 4a90f09b20f4622dcbff1f0e1e6bae1704f8ad8c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:39:46 +0100 Subject: [PATCH 4364/6244] tty: usb-serial krefs Use kref in the USB serial drivers so that we don't free tty structures from under the URB receive handlers as has historically been the case if you were unlucky. This also gives us a framework for general tty drivers to use tty_port objects and refcount. Contains two err->dev_err changes merged together to fix clashes in the -next tree. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_port.c | 41 ++++++++++++++ drivers/usb/serial/aircable.c | 15 +++--- drivers/usb/serial/belkin_sa.c | 3 +- drivers/usb/serial/console.c | 8 +-- drivers/usb/serial/cyberjack.c | 3 +- drivers/usb/serial/cypress_m8.c | 5 +- drivers/usb/serial/digi_acceleport.c | 19 ++++--- drivers/usb/serial/empeg.c | 8 +-- drivers/usb/serial/ftdi_sio.c | 19 ++++--- drivers/usb/serial/garmin_gps.c | 3 +- drivers/usb/serial/generic.c | 3 +- drivers/usb/serial/io_edgeport.c | 43 ++++++++++----- drivers/usb/serial/io_ti.c | 26 ++++++--- drivers/usb/serial/ipaq.c | 3 +- drivers/usb/serial/ipw.c | 3 +- drivers/usb/serial/ir-usb.c | 3 +- drivers/usb/serial/iuu_phoenix.c | 3 +- drivers/usb/serial/keyspan.c | 77 ++++++++++++++------------- drivers/usb/serial/keyspan_pda.c | 16 +++--- drivers/usb/serial/kl5kusb105.c | 3 +- drivers/usb/serial/kobil_sct.c | 3 +- drivers/usb/serial/mct_u232.c | 6 ++- drivers/usb/serial/mos7720.c | 36 ++----------- drivers/usb/serial/mos7840.c | 7 +-- drivers/usb/serial/navman.c | 3 +- drivers/usb/serial/omninet.c | 10 ++-- drivers/usb/serial/option.c | 18 ++++--- drivers/usb/serial/oti6858.c | 3 +- drivers/usb/serial/pl2303.c | 4 +- drivers/usb/serial/safe_serial.c | 11 ++-- drivers/usb/serial/sierra.c | 16 +++--- drivers/usb/serial/spcp8x5.c | 3 +- drivers/usb/serial/ti_usb_3410_5052.c | 44 +++++++-------- drivers/usb/serial/usb-serial.c | 24 +++++---- drivers/usb/serial/visor.c | 18 ++++--- drivers/usb/serial/whiteheat.c | 8 +-- include/linux/tty.h | 3 ++ 37 files changed, 313 insertions(+), 208 deletions(-) diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index 6fadb19d630b..553b0e9d8d17 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -23,6 +23,7 @@ void tty_port_init(struct tty_port *port) init_waitqueue_head(&port->open_wait); init_waitqueue_head(&port->close_wait); mutex_init(&port->mutex); + spin_lock_init(&port->lock); port->close_delay = (50 * HZ) / 100; port->closing_wait = (3000 * HZ) / 100; } @@ -53,3 +54,43 @@ void tty_port_free_xmit_buf(struct tty_port *port) EXPORT_SYMBOL(tty_port_free_xmit_buf); +/** + * tty_port_tty_get - get a tty reference + * @port: tty port + * + * Return a refcount protected tty instance or NULL if the port is not + * associated with a tty (eg due to close or hangup) + */ + +struct tty_struct *tty_port_tty_get(struct tty_port *port) +{ + unsigned long flags; + struct tty_struct *tty; + + spin_lock_irqsave(&port->lock, flags); + tty = tty_kref_get(port->tty); + spin_unlock_irqrestore(&port->lock, flags); + return tty; +} +EXPORT_SYMBOL(tty_port_tty_get); + +/** + * tty_port_tty_set - set the tty of a port + * @port: tty port + * @tty: the tty + * + * Associate the port and tty pair. Manages any internal refcounts. + * Pass NULL to deassociate a port + */ + +void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty) +{ + unsigned long flags; + + spin_lock_irqsave(&port->lock, flags); + if (port->tty) + tty_kref_put(port->tty); + port->tty = tty; + spin_unlock_irqrestore(&port->lock, flags); +} +EXPORT_SYMBOL(tty_port_tty_set); diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 79ea98c66fa8..99fb7dc59c45 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -272,7 +272,7 @@ static void aircable_read(struct work_struct *work) * 64 bytes, to ensure I do not get throttled. * Ask USB mailing list for better aproach. */ - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) { schedule_work(&priv->rx_work); @@ -283,12 +283,13 @@ static void aircable_read(struct work_struct *work) count = min(64, serial_buf_data_avail(priv->rx_buf)); if (count <= 0) - return; /* We have finished sending everything. */ + goto out; /* We have finished sending everything. */ tty_prepare_flip_string(tty, &data, count); if (!data) { - err("%s- kzalloc(%d) failed.", __func__, count); - return; + dev_err(&port->dev, "%s- kzalloc(%d) failed.", + __func__, count); + goto out; } serial_buf_get(priv->rx_buf, data, count); @@ -297,7 +298,8 @@ static void aircable_read(struct work_struct *work) if (serial_buf_data_avail(priv->rx_buf)) schedule_work(&priv->rx_work); - +out: + tty_kref_put(tty); return; } /* End of private methods */ @@ -495,7 +497,7 @@ static void aircable_read_bulk_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, urb->transfer_buffer); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { if (urb->actual_length <= 2) { /* This is an incomplete package */ @@ -527,6 +529,7 @@ static void aircable_read_bulk_callback(struct urb *urb) } aircable_read(&priv->rx_work); } + tty_kref_put(tty); /* Schedule the next read _if_ we are still open */ if (port->port.count) { diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index 2ebe06c3405a..1913bc7c5f0b 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -322,7 +322,7 @@ static void belkin_sa_read_int_callback(struct urb *urb) * to look in to this before committing any code. */ if (priv->last_lsr & BELKIN_SA_LSR_ERR) { - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); /* Overrun Error */ if (priv->last_lsr & BELKIN_SA_LSR_OE) { } @@ -335,6 +335,7 @@ static void belkin_sa_read_int_callback(struct urb *urb) /* Break Indicator */ if (priv->last_lsr & BELKIN_SA_LSR_BI) { } + tty_kref_put(tty); } #endif spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index e980766bb84b..5b20de130e08 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -117,7 +117,7 @@ static int usb_console_setup(struct console *co, char *options) } port = serial->port[0]; - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); info->port = port; @@ -143,7 +143,7 @@ static int usb_console_setup(struct console *co, char *options) } memset(&dummy, 0, sizeof(struct ktermios)); tty->termios = termios; - port->port.tty = tty; + tty_port_tty_set(&port->port, tty); } /* only call the device specific open if this @@ -163,7 +163,7 @@ static int usb_console_setup(struct console *co, char *options) tty_termios_encode_baud_rate(termios, baud, baud); serial->type->set_termios(tty, port, &dummy); - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); kfree(termios); kfree(tty); } @@ -176,7 +176,7 @@ out: return retval; free_termios: kfree(termios); - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); free_tty: kfree(tty); reset_open_count: diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index b4d72351cb96..94ef36c4764b 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -384,7 +384,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb) return; } - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) { dbg("%s - ignoring since device not open\n", __func__); return; @@ -394,6 +394,7 @@ static void cyberjack_read_bulk_callback(struct urb *urb) tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); spin_lock(&priv->lock); diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 22837a3f2f89..f3514a91f915 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -1286,7 +1286,7 @@ static void cypress_read_int_callback(struct urb *urb) } spin_unlock_irqrestore(&priv->lock, flags); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) { dbg("%s - bad tty pointer - exiting", __func__); return; @@ -1362,7 +1362,7 @@ static void cypress_read_int_callback(struct urb *urb) data[i]); tty_insert_flip_char(tty, data[i], tty_flag); } - tty_flip_buffer_push(port->port.tty); + tty_flip_buffer_push(tty); } spin_lock_irqsave(&priv->lock, flags); @@ -1371,6 +1371,7 @@ static void cypress_read_int_callback(struct urb *urb) spin_unlock_irqrestore(&priv->lock, flags); continue_read: + tty_kref_put(tty); /* Continue trying to always read... unless the port has closed. */ diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 240aad1acaab..5756ac6d6c92 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -604,7 +604,9 @@ static void digi_wakeup_write_lock(struct work_struct *work) static void digi_wakeup_write(struct usb_serial_port *port) { - tty_wakeup(port->port.tty); + struct tty_struct *tty = tty_port_tty_get(&port->port); + tty_wakeup(tty); + tty_kref_put(tty); } @@ -1668,7 +1670,7 @@ static int digi_read_inb_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; - struct tty_struct *tty = port->port.tty; + struct tty_struct *tty; struct digi_port *priv = usb_get_serial_port_data(port); int opcode = ((unsigned char *)urb->transfer_buffer)[0]; int len = ((unsigned char *)urb->transfer_buffer)[1]; @@ -1692,6 +1694,7 @@ static int digi_read_inb_callback(struct urb *urb) return -1; } + tty = tty_port_tty_get(&port->port); spin_lock(&priv->dp_port_lock); /* check for throttle; if set, do not resubmit read urb */ @@ -1735,6 +1738,7 @@ static int digi_read_inb_callback(struct urb *urb) } } spin_unlock(&priv->dp_port_lock); + tty_kref_put(tty); if (opcode == DIGI_CMD_RECEIVE_DISABLE) dbg("%s: got RECEIVE_DISABLE", __func__); @@ -1760,6 +1764,7 @@ static int digi_read_oob_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct usb_serial *serial = port->serial; + struct tty_struct *tty; struct digi_port *priv = usb_get_serial_port_data(port); int opcode, line, status, val; int i; @@ -1787,10 +1792,11 @@ static int digi_read_oob_callback(struct urb *urb) if (priv == NULL) return -1; + tty = tty_port_tty_get(&port->port); rts = 0; if (port->port.count) - rts = port->port.tty->termios->c_cflag & CRTSCTS; - + rts = tty->termios->c_cflag & CRTSCTS; + if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) { spin_lock(&priv->dp_port_lock); /* convert from digi flags to termiox flags */ @@ -1798,14 +1804,14 @@ static int digi_read_oob_callback(struct urb *urb) priv->dp_modem_signals |= TIOCM_CTS; /* port must be open to use tty struct */ if (rts) { - port->port.tty->hw_stopped = 0; + tty->hw_stopped = 0; digi_wakeup_write(port); } } else { priv->dp_modem_signals &= ~TIOCM_CTS; /* port must be open to use tty struct */ if (rts) - port->port.tty->hw_stopped = 1; + tty->hw_stopped = 1; } if (val & DIGI_READ_INPUT_SIGNALS_DSR) priv->dp_modem_signals |= TIOCM_DSR; @@ -1830,6 +1836,7 @@ static int digi_read_oob_callback(struct urb *urb) } else if (opcode == DIGI_CMD_IFLUSH_FIFO) { wake_up_interruptible(&priv->dp_flush_wait); } + tty_kref_put(tty); } return 0; diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index a6ab5b58d9ca..1072e847280f 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -33,9 +33,8 @@ * Moved MOD_DEC_USE_COUNT to end of empeg_close(). * * (12/03/2000) gb - * Added port->port.tty->ldisc.set_termios(port->port.tty, NULL) to - * empeg_open(). This notifies the tty driver that the termios have - * changed. + * Added tty->ldisc.set_termios(port, tty, NULL) to empeg_open(). + * This notifies the tty driver that the termios have changed. * * (11/13/2000) gb * Moved tty->low_latency = 1 from empeg_read_bulk_callback() to @@ -354,7 +353,7 @@ static void empeg_read_bulk_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); @@ -362,6 +361,7 @@ static void empeg_read_bulk_callback(struct urb *urb) tty_flip_buffer_push(tty); bytes_in += urb->actual_length; } + tty_kref_put(tty); /* Continue trying to always read */ usb_fill_bulk_urb( diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 1ac7e802b4b6..c2ac129557aa 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1808,7 +1808,7 @@ static void ftdi_read_bulk_callback(struct urb *urb) if (port->port.count <= 0) return; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) { dbg("%s - bad tty pointer - exiting", __func__); return; @@ -1817,7 +1817,7 @@ static void ftdi_read_bulk_callback(struct urb *urb) priv = usb_get_serial_port_data(port); if (!priv) { dbg("%s - bad port private data pointer - exiting", __func__); - return; + goto out; } if (urb != port->read_urb) @@ -1827,7 +1827,7 @@ static void ftdi_read_bulk_callback(struct urb *urb) /* This will happen at close every time so it is a dbg not an err */ dbg("(this is ok on close) nonzero read bulk status received: %d", status); - return; + goto out; } /* count data bytes, but not status bytes */ @@ -1838,7 +1838,8 @@ static void ftdi_read_bulk_callback(struct urb *urb) spin_unlock_irqrestore(&priv->rx_lock, flags); ftdi_process_read(&priv->rx_work.work); - +out: + tty_kref_put(tty); } /* ftdi_read_bulk_callback */ @@ -1863,7 +1864,7 @@ static void ftdi_process_read(struct work_struct *work) if (port->port.count <= 0) return; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) { dbg("%s - bad tty pointer - exiting", __func__); return; @@ -1872,13 +1873,13 @@ static void ftdi_process_read(struct work_struct *work) priv = usb_get_serial_port_data(port); if (!priv) { dbg("%s - bad port private data pointer - exiting", __func__); - return; + goto out; } urb = port->read_urb; if (!urb) { dbg("%s - bad read_urb pointer - exiting", __func__); - return; + goto out; } data = urb->transfer_buffer; @@ -2020,7 +2021,7 @@ static void ftdi_process_read(struct work_struct *work) schedule_delayed_work(&priv->rx_work, 1); else dbg("%s - port is closed", __func__); - return; + goto out; } /* urb is completely processed */ @@ -2041,6 +2042,8 @@ static void ftdi_process_read(struct work_struct *work) err("%s - failed resubmitting read urb, error %d", __func__, result); } +out: + tty_kref_put(tty); } /* ftdi_process_read */ diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index d95382088075..2ad0569bcf19 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -276,7 +276,7 @@ static inline int isAbortTrfCmnd(const unsigned char *buf) static void send_to_tty(struct usb_serial_port *port, char *data, unsigned int actual_length) { - struct tty_struct *tty = port->port.tty; + struct tty_struct *tty = tty_port_tty_get(&port->port); if (tty && actual_length) { @@ -287,6 +287,7 @@ static void send_to_tty(struct usb_serial_port *port, tty_insert_flip_string(tty, data, actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); } diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index fe84c88ec20c..814909f1ee63 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -330,7 +330,7 @@ static void resubmit_read_urb(struct usb_serial_port *port, gfp_t mem_flags) static void flush_and_resubmit_read_urb(struct usb_serial_port *port) { struct urb *urb = port->read_urb; - struct tty_struct *tty = port->port.tty; + struct tty_struct *tty = tty_port_tty_get(&port->port); int room; /* Push data to tty */ @@ -341,6 +341,7 @@ static void flush_and_resubmit_read_urb(struct usb_serial_port *port) tty_flip_buffer_push(tty); } } + tty_kref_put(tty); resubmit_read_urb(port, GFP_ATOMIC); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index bfa508ddb0fe..611f97fd62f1 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -600,6 +600,7 @@ static void edge_interrupt_callback(struct urb *urb) struct edgeport_serial *edge_serial = urb->context; struct edgeport_port *edge_port; struct usb_serial_port *port; + struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; int length = urb->actual_length; int bytes_avail; @@ -675,9 +676,12 @@ static void edge_interrupt_callback(struct urb *urb) /* tell the tty driver that something has changed */ - if (edge_port->port->port.tty) - tty_wakeup(edge_port->port->port.tty); - + tty = tty_port_tty_get( + &edge_port->port->port); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } /* Since we have more credit, check if more data can be sent */ send_more_port_data(edge_serial, @@ -778,13 +782,14 @@ static void edge_bulk_out_data_callback(struct urb *urb) __func__, status); } - tty = edge_port->port->port.tty; + tty = tty_port_tty_get(&edge_port->port->port); if (tty && edge_port->open) { /* let the tty driver wakeup if it has a special write_wakeup function */ tty_wakeup(tty); } + tty_kref_put(tty); /* Release the Write URB */ edge_port->write_in_progress = false; @@ -826,11 +831,12 @@ static void edge_bulk_out_cmd_callback(struct urb *urb) } /* Get pointer to tty */ - tty = edge_port->port->port.tty; + tty = tty_port_tty_get(&edge_port->port->port); /* tell the tty driver that something has changed */ if (tty && edge_port->open) tty_wakeup(tty); + tty_kref_put(tty); /* we have completed the command */ edge_port->commandPending = false; @@ -1932,11 +1938,13 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial, edge_serial->rxPort]; edge_port = usb_get_serial_port_data(port); if (edge_port->open) { - tty = edge_port->port->port.tty; + tty = tty_port_tty_get( + &edge_port->port->port); if (tty) { dbg("%s - Sending %d bytes to TTY for port %d", __func__, rxLen, edge_serial->rxPort); edge_tty_recv(&edge_serial->serial->dev->dev, tty, buffer, rxLen); + tty_kref_put(tty); } edge_port->icount.rx += rxLen; } @@ -1971,6 +1979,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, { struct usb_serial_port *port; struct edgeport_port *edge_port; + struct tty_struct *tty; __u8 code = edge_serial->rxStatusCode; /* switch the port pointer to the one being currently talked about */ @@ -2020,10 +2029,12 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, /* send the current line settings to the port so we are in sync with any further termios calls */ - /* FIXME: locking on tty */ - if (edge_port->port->port.tty) - change_port_settings(edge_port->port->port.tty, - edge_port, edge_port->port->port.tty->termios); + tty = tty_port_tty_get(&edge_port->port->port); + if (tty) { + change_port_settings(tty, + edge_port, tty->termios); + tty_kref_put(tty); + } /* we have completed the open */ edge_port->openPending = false; @@ -2163,10 +2174,14 @@ static void handle_new_lsr(struct edgeport_port *edge_port, __u8 lsrData, } /* Place LSR data byte into Rx buffer */ - if (lsrData && edge_port->port->port.tty) - edge_tty_recv(&edge_port->port->dev, - edge_port->port->port.tty, &data, 1); - + if (lsrData) { + struct tty_struct *tty = + tty_port_tty_get(&edge_port->port->port); + if (tty) { + edge_tty_recv(&edge_port->port->dev, tty, &data, 1); + tty_kref_put(tty); + } + } /* update input line counters */ icount = &edge_port->icount; if (newLsr & LSR_BREAK) diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index cb4c54316cf5..541dd8e6e7a2 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -572,7 +572,7 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout, int flush) { int baud_rate; - struct tty_struct *tty = port->port->port.tty; + struct tty_struct *tty = tty_port_tty_get(&port->port->port); wait_queue_t wait; unsigned long flags; @@ -599,6 +599,7 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout, if (flush) edge_buf_clear(port->ep_out_buf); spin_unlock_irqrestore(&port->ep_lock, flags); + tty_kref_put(tty); /* wait for data to drain from the device */ timeout += jiffies; @@ -1554,7 +1555,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) /* Save the new modem status */ edge_port->shadow_msr = msr & 0xf0; - tty = edge_port->port->port.tty; + tty = tty_port_tty_get(&edge_port->port->port); /* handle CTS flow control */ if (tty && C_CRTSCTS(tty)) { if (msr & EDGEPORT_MSR_CTS) { @@ -1564,6 +1565,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) tty->hw_stopped = 1; } } + tty_kref_put(tty); return; } @@ -1574,6 +1576,7 @@ static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, struct async_icount *icount; __u8 new_lsr = (__u8)(lsr & (__u8)(LSR_OVER_ERR | LSR_PAR_ERR | LSR_FRM_ERR | LSR_BREAK)); + struct tty_struct *tty; dbg("%s - %02x", __func__, new_lsr); @@ -1587,8 +1590,13 @@ static void handle_new_lsr(struct edgeport_port *edge_port, int lsr_data, new_lsr &= (__u8)(LSR_OVER_ERR | LSR_BREAK); /* Place LSR data byte into Rx buffer */ - if (lsr_data && edge_port->port->port.tty) - edge_tty_recv(&edge_port->port->dev, edge_port->port->port.tty, &data, 1); + if (lsr_data) { + tty = tty_port_tty_get(&edge_port->port->port); + if (tty) { + edge_tty_recv(&edge_port->port->dev, tty, &data, 1); + tty_kref_put(tty); + } + } /* update input line counters */ icount = &edge_port->icount; @@ -1749,7 +1757,7 @@ static void edge_bulk_in_callback(struct urb *urb) ++data; } - tty = edge_port->port->port.tty; + tty = tty_port_tty_get(&edge_port->port->port); if (tty && urb->actual_length) { usb_serial_debug_data(debug, &edge_port->port->dev, __func__, urb->actual_length, data); @@ -1761,6 +1769,7 @@ static void edge_bulk_in_callback(struct urb *urb) urb->actual_length); edge_port->icount.rx += urb->actual_length; } + tty_kref_put(tty); exit: /* continue read unless stopped */ @@ -1796,6 +1805,7 @@ static void edge_bulk_out_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct edgeport_port *edge_port = usb_get_serial_port_data(port); int status = urb->status; + struct tty_struct *tty; dbg("%s - port %d", __func__, port->number); @@ -1818,7 +1828,9 @@ static void edge_bulk_out_callback(struct urb *urb) } /* send any buffered data */ - edge_send(port->port.tty); + tty = tty_port_tty_get(&port->port); + edge_send(tty); + tty_kref_put(tty); } static int edge_open(struct tty_struct *tty, @@ -1876,7 +1888,7 @@ static int edge_open(struct tty_struct *tty, /* set up the port settings */ if (tty) - edge_set_termios(tty, port, port->port.tty->termios); + edge_set_termios(tty, port, tty->termios); /* open up the port */ diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index cd9a2e138c8b..2affa9c118b2 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -764,13 +764,14 @@ static void ipaq_read_bulk_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); bytes_in += urb->actual_length; } + tty_kref_put(tty); /* Continue trying to always read */ usb_fill_bulk_urb(port->read_urb, port->serial->dev, diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index a842025b9b57..480cac27d646 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -170,12 +170,13 @@ static void ipw_read_bulk_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Continue trying to always read */ usb_fill_bulk_urb(port->read_urb, port->serial->dev, diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index e59155c6607d..45d4043e04ab 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -465,11 +465,12 @@ static void ir_read_bulk_callback(struct urb *urb) ir_baud = *data & 0x0f; usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty_buffer_request_room(tty, urb->actual_length - 1)) { tty_insert_flip_string(tty, data+1, urb->actual_length - 1); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* * No break here. diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index ddff37fa6339..53710aa7eadd 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -629,13 +629,14 @@ static void read_buf_callback(struct urb *urb) } dbg("%s - %i chars to write", __func__, urb->actual_length); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (data == NULL) dbg("%s - data is NULL !!!", __func__); if (tty && urb->actual_length && data) { tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); iuu_led_activity_on(urb); } diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 704716f6f6d3..15447af48691 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -430,7 +430,7 @@ static void usa26_indat_callback(struct urb *urb) } port = urb->context; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { @@ -459,6 +459,7 @@ static void usa26_indat_callback(struct urb *urb) } tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; @@ -513,6 +514,7 @@ static void usa26_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; + struct tty_struct *tty; int old_dcd_state, err; int status = urb->status; @@ -553,12 +555,11 @@ static void usa26_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->port.tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ + if (old_dcd_state != p_priv->dcd_state) { + tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -604,11 +605,12 @@ static void usa28_indat_callback(struct urb *urb) p_priv = usb_get_serial_port_data(port); data = urb->transfer_buffer; - tty = port->port.tty; - if (urb->actual_length) { + tty =tty_port_tty_get(&port->port); + if (tty && urb->actual_length) { tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; @@ -652,6 +654,7 @@ static void usa28_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; + struct tty_struct *tty; int old_dcd_state; int status = urb->status; @@ -689,12 +692,11 @@ static void usa28_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->port.tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ + if( old_dcd_state != p_priv->dcd_state && old_dcd_state) { + tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -785,12 +787,11 @@ static void usa49_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->port.tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { + struct tty_struct *tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -827,7 +828,7 @@ static void usa49_indat_callback(struct urb *urb) } port = urb->context; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { /* 0x80 bit is error flag */ if ((data[0] & 0x80) == 0) { @@ -850,6 +851,7 @@ static void usa49_indat_callback(struct urb *urb) } tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Resubmit urb so we continue receiving */ urb->dev = port->serial->dev; @@ -893,7 +895,7 @@ static void usa49wg_indat_callback(struct urb *urb) return; } port = serial->port[data[i++]]; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); len = data[i++]; /* 0x80 bit is error flag */ @@ -927,6 +929,7 @@ static void usa49wg_indat_callback(struct urb *urb) } if (port->port.count) tty_flip_buffer_push(tty); + tty_kref_put(tty); } } @@ -967,8 +970,8 @@ static void usa90_indat_callback(struct urb *urb) port = urb->context; p_priv = usb_get_serial_port_data(port); - tty = port->port.tty; if (urb->actual_length) { + tty = tty_port_tty_get(&port->port); /* if current mode is DMA, looks like usa28 format otherwise looks like usa26 data format */ @@ -1004,6 +1007,7 @@ static void usa90_indat_callback(struct urb *urb) } } tty_flip_buffer_push(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -1025,6 +1029,7 @@ static void usa90_instat_callback(struct urb *urb) struct usb_serial *serial; struct usb_serial_port *port; struct keyspan_port_private *p_priv; + struct tty_struct *tty; int old_dcd_state, err; int status = urb->status; @@ -1053,12 +1058,11 @@ static void usa90_instat_callback(struct urb *urb) p_priv->dcd_state = ((msg->dcd) ? 1 : 0); p_priv->ri_state = ((msg->ri) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->port.tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { + tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -1130,12 +1134,11 @@ static void usa67_instat_callback(struct urb *urb) p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) - && old_dcd_state != p_priv->dcd_state) { - if (old_dcd_state) - tty_hangup(port->port.tty); - /* else */ - /* wake_up_interruptible(&p_priv->open_wait); */ + if (old_dcd_state != p_priv->dcd_state && old_dcd_state) { + struct tty_struct *tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); } /* Resubmit urb so we continue receiving */ @@ -1332,7 +1335,7 @@ static void keyspan_close(struct tty_struct *tty, stop_urb(p_priv->out_urbs[i]); } } - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); } /* download the firmware to a pre-renumeration device */ diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 040040a267d9..99e9a14c5bf6 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -172,8 +172,9 @@ static void keyspan_pda_wakeup_write(struct work_struct *work) struct keyspan_pda_private *priv = container_of(work, struct keyspan_pda_private, wakeup_work); struct usb_serial_port *port = priv->port; - - tty_wakeup(port->port.tty); + struct tty_struct *tty = tty_port_tty_get(&port->port); + tty_wakeup(tty); + tty_kref_put(tty); } static void keyspan_pda_request_unthrottle(struct work_struct *work) @@ -205,7 +206,7 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work) static void keyspan_pda_rx_interrupt(struct urb *urb) { struct usb_serial_port *port = urb->context; - struct tty_struct *tty = port->port.tty; + struct tty_struct *tty = tty_port_tty_get(&port->port); unsigned char *data = urb->transfer_buffer; int retval; int status = urb->status; @@ -222,7 +223,7 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) /* this urb is terminated, clean up */ dbg("%s - urb shutting down with status: %d", __func__, status); - return; + goto out; default: dbg("%s - nonzero urb status received: %d", __func__, status); @@ -261,8 +262,11 @@ static void keyspan_pda_rx_interrupt(struct urb *urb) exit: retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) - err("%s - usb_submit_urb failed with result %d", - __func__, retval); + dev_err(&port->dev, + "%s - usb_submit_urb failed with result %d", + __func__, retval); +out: + tty_kref_put(tty); } diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index b84dddc71124..ff3a07f5102f 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -658,7 +658,7 @@ static void klsi_105_read_bulk_callback(struct urb *urb) } else { int bytes_sent = ((__u8 *) data)[0] + ((unsigned int) ((__u8 *) data)[1] << 8); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); /* we should immediately resubmit the URB, before attempting * to pass the data on to the tty layer. But that needs locking * against re-entry an then mixed-up data because of @@ -679,6 +679,7 @@ static void klsi_105_read_bulk_callback(struct urb *urb) tty_buffer_request_room(tty, bytes_sent); tty_insert_flip_string(tty, data + 2, bytes_sent); tty_flip_buffer_push(tty); + tty_kref_put(tty); /* again lockless, but debug info only */ priv->bytes_in += bytes_sent; diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index deba28ec77e8..cfcf37c2b957 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -383,7 +383,7 @@ static void kobil_read_int_callback(struct urb *urb) return; } - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (urb->actual_length) { /* BEGIN DEBUG */ @@ -405,6 +405,7 @@ static void kobil_read_int_callback(struct urb *urb) tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* someone sets the dev to 0 if the close method has been called */ port->interrupt_in_urb->dev = port->serial->dev; diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 0ded8bd6ec85..9b2cef81cde0 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -563,10 +563,11 @@ static void mct_u232_read_int_callback(struct urb *urb) * Work-a-round: handle the 'usual' bulk-in pipe here */ if (urb->transfer_buffer_length > 2) { - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (urb->actual_length) { tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); + tty_kref_put(tty); } goto exit; } @@ -591,7 +592,7 @@ static void mct_u232_read_int_callback(struct urb *urb) * to look in to this before committing any code. */ if (priv->last_lsr & MCT_U232_LSR_ERR) { - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); /* Overrun Error */ if (priv->last_lsr & MCT_U232_LSR_OE) { } @@ -604,6 +605,7 @@ static void mct_u232_read_int_callback(struct urb *urb) /* Break Indicator */ if (priv->last_lsr & MCT_U232_LSR_BI) { } + tty_kref_put(tty); } #endif spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 7c4917d77c0a..7b538caec37f 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -216,12 +216,13 @@ static void mos7720_bulk_in_callback(struct urb *urb) data = urb->transfer_buffer; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); if (!port->read_urb) { dbg("URB KILLED !!!"); @@ -262,10 +263,11 @@ static void mos7720_bulk_out_data_callback(struct urb *urb) dbg("Entering ........."); - tty = mos7720_port->port->port.tty; + tty = tty_port_tty_get(&mos7720_port->port->port); if (tty && mos7720_port->open) tty_wakeup(tty); + tty_kref_put(tty); } /* @@ -1267,29 +1269,6 @@ static int get_lsr_info(struct tty_struct *tty, return 0; } -/* - * get_number_bytes_avail - get number of bytes available - * - * Purpose: Let user call ioctl to get the count of number of bytes available. - */ -static int get_number_bytes_avail(struct moschip_port *mos7720_port, - unsigned int __user *value) -{ - unsigned int result = 0; - struct tty_struct *tty = mos7720_port->port->port.tty; - - if (!tty) - return -ENOIOCTLCMD; - - result = tty->read_cnt; - - dbg("%s(%d) = %d", __func__, mos7720_port->port->number, result); - if (copy_to_user(value, &result, sizeof(int))) - return -EFAULT; - - return -ENOIOCTLCMD; -} - static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd, unsigned int __user *value) { @@ -1409,13 +1388,6 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file, dbg("%s - port %d, cmd = 0x%x", __func__, port->number, cmd); switch (cmd) { - case TIOCINQ: - /* return number of bytes available */ - dbg("%s (%d) TIOCINQ", __func__, port->number); - return get_number_bytes_avail(mos7720_port, - (unsigned int __user *)arg); - break; - case TIOCSERGETLSR: dbg("%s (%d) TIOCSERGETLSR", __func__, port->number); return get_lsr_info(tty, mos7720_port, diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 09d82062b973..60543d79ef56 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -709,12 +709,13 @@ static void mos7840_bulk_in_callback(struct urb *urb) dbg("%s", "Entering ........... \n"); if (urb->actual_length) { - tty = mos7840_port->port->port.tty; + tty = tty_port_tty_get(&mos7840_port->port->port); if (tty) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); dbg(" %s \n", data); tty_flip_buffer_push(tty); + tty_kref_put(tty); } mos7840_port->icount.rx += urb->actual_length; smp_wmb(); @@ -773,10 +774,10 @@ static void mos7840_bulk_out_data_callback(struct urb *urb) dbg("%s \n", "Entering ........."); - tty = mos7840_port->port->port.tty; - + tty = tty_port_tty_get(&mos7840_port->port->port); if (tty && mos7840_port->open) tty_wakeup(tty); + tty_kref_put(tty); } diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index d6736531a0fa..bcdcbb822705 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -64,12 +64,13 @@ static void navman_read_int_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); exit: result = usb_submit_urb(urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index ae8e227f3db2..c4d70b0f1e48 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -172,7 +172,7 @@ static int omninet_open(struct tty_struct *tty, dbg("%s - port %d", __func__, port->number); wport = serial->port[1]; - wport->port.tty = tty; /* FIXME */ + tty_port_tty_set(&wport->port, tty); /* Start reading from the device */ usb_fill_bulk_urb(port->read_urb, serial->dev, @@ -229,9 +229,11 @@ static void omninet_read_bulk_callback(struct urb *urb) } if (urb->actual_length && header->oh_len) { - tty_insert_flip_string(port->port.tty, - data + OMNINET_DATAOFFSET, header->oh_len); - tty_flip_buffer_push(port->port.tty); + struct tty_struct *tty = tty_port_tty_get(&port->port); + tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET, + header->oh_len); + tty_flip_buffer_push(tty); + tty_kref_put(tty); } /* Continue trying to always read */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 73f8277f88f2..6b1727e751e3 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -571,14 +571,14 @@ static void option_indat_callback(struct urb *urb) dbg("%s: nonzero status: %d on endpoint %02x.", __func__, status, endpoint); } else { - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); - } else { + } else dbg("%s: empty read urb received", __func__); - } + tty_kref_put(tty); /* Resubmit urb so we continue receiving */ if (port->port.count && status != -ESHUTDOWN) { @@ -647,9 +647,13 @@ static void option_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) && - old_dcd_state && !portdata->dcd_state) - tty_hangup(port->port.tty); + if (old_dcd_state && !portdata->dcd_state) { + struct tty_struct *tty = + tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty)) + tty_hangup(tty); + tty_kref_put(tty); + } } else { dbg("%s: type %x req %x", __func__, req_pkt->bRequestType, req_pkt->bRequest); @@ -793,7 +797,7 @@ static void option_close(struct tty_struct *tty, for (i = 0; i < N_OUT_URB; i++) usb_kill_urb(portdata->out_urbs[i]); } - port->port.tty = NULL; /* FIXME */ + tty_port_tty_set(&port->port, NULL); } /* Helper functions used by option_setup_urbs */ diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index 42f92815c6e5..ba551f00f16f 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -998,11 +998,12 @@ static void oti6858_read_bulk_callback(struct urb *urb) return; } - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty != NULL && urb->actual_length > 0) { tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* schedule the interrupt urb if we are still open */ if (port->port.count != 0) { diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 8d6006894bf5..908437847165 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -1046,7 +1046,7 @@ static void pl2303_read_bulk_callback(struct urb *urb) tty_flag = TTY_FRAME; dbg("%s - tty_flag = %d", __func__, tty_flag); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length + 1); /* overrun is special, not associated with a char */ @@ -1056,7 +1056,7 @@ static void pl2303_read_bulk_callback(struct urb *urb) tty_insert_flip_char(tty, data[i], tty_flag); tty_flip_buffer_push(tty); } - + tty_kref_put(tty); /* Schedule the next read _if_ we are still open */ if (port->port.count) { urb->dev = port->serial->dev; diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index def52d07a4ea..72903ac9f5c0 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -217,6 +217,7 @@ static void safe_read_bulk_callback(struct urb *urb) struct usb_serial_port *port = urb->context; unsigned char *data = urb->transfer_buffer; unsigned char length = urb->actual_length; + struct tty_struct *tty; int result; int status = urb->status; @@ -242,6 +243,7 @@ static void safe_read_bulk_callback(struct urb *urb) printk("\n"); } #endif + tty = tty_port_tty_get(&port->port); if (safe) { __u16 fcs; fcs = fcs_compute10(data, length, CRC10_INITFCS); @@ -250,9 +252,9 @@ static void safe_read_bulk_callback(struct urb *urb) if (actual_length <= (length - 2)) { info("%s - actual: %d", __func__, actual_length); - tty_insert_flip_string(port->port.tty, + tty_insert_flip_string(tty, data, actual_length); - tty_flip_buffer_push(port->port.tty); + tty_flip_buffer_push(tty); } else { err("%s - inconsistent lengths %d:%d", __func__, actual_length, length); @@ -261,9 +263,10 @@ static void safe_read_bulk_callback(struct urb *urb) err("%s - bad CRC %x", __func__, fcs); } } else { - tty_insert_flip_string(port->port.tty, data, length); - tty_flip_buffer_push(port->port.tty); + tty_insert_flip_string(tty, data, length); + tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Continue trying to always read */ usb_fill_bulk_urb(urb, port->serial->dev, diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index ea1a103c99be..8b9eaf383679 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -440,14 +440,14 @@ static void sierra_indat_callback(struct urb *urb) dbg("%s: nonzero status: %d on endpoint %02x.", __func__, status, endpoint); } else { - tty = port->port.tty; if (urb->actual_length) { + tty = tty_port_tty_get(&port->port); tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); - } else { + tty_kref_put(tty); + } else dbg("%s: empty read urb received", __func__); - } /* Resubmit urb so we continue receiving */ if (port->port.count && status != -ESHUTDOWN) { @@ -485,6 +485,7 @@ static void sierra_instat_callback(struct urb *urb) unsigned char signals = *((unsigned char *) urb->transfer_buffer + sizeof(struct usb_ctrlrequest)); + struct tty_struct *tty; dbg("%s: signal x%x", __func__, signals); @@ -494,9 +495,11 @@ static void sierra_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - if (port->port.tty && !C_CLOCAL(port->port.tty) && + tty = tty_port_tty_get(&port->port); + if (tty && !C_CLOCAL(tty) && old_dcd_state && !portdata->dcd_state) - tty_hangup(port->port.tty); + tty_hangup(tty); + tty_kref_put(tty); } else { dbg("%s: type %x req %x", __func__, req_pkt->bRequestType, req_pkt->bRequest); @@ -616,8 +619,7 @@ static void sierra_close(struct tty_struct *tty, } usb_kill_urb(port->interrupt_in_urb); - - port->port.tty = NULL; /* FIXME */ + tty_port_tty_set(&port->port, NULL); } static int sierra_startup(struct usb_serial *serial) diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 283cf6b36b2c..1533d6e12238 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -755,7 +755,7 @@ static void spcp8x5_read_bulk_callback(struct urb *urb) tty_flag = TTY_FRAME; dev_dbg(&port->dev, "tty_flag = %d\n", tty_flag); - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { tty_buffer_request_room(tty, urb->actual_length + 1); /* overrun is special, not associated with a char */ @@ -765,6 +765,7 @@ static void spcp8x5_read_bulk_callback(struct urb *urb) tty_insert_flip_char(tty, data[i], tty_flag); tty_flip_buffer_push(tty); } + tty_kref_put(tty); /* Schedule the next read _if_ we are still open */ if (port->port.count) { diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 9a3e495c769c..c90237d48b0e 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -179,7 +179,7 @@ static int ti_set_mcr(struct ti_port *tport, unsigned int mcr); static int ti_get_lsr(struct ti_port *tport); static int ti_get_serial_info(struct ti_port *tport, struct serial_struct __user *ret_arg); -static int ti_set_serial_info(struct ti_port *tport, +static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport, struct serial_struct __user *new_arg); static void ti_handle_new_msr(struct ti_port *tport, __u8 msr); @@ -857,8 +857,8 @@ static int ti_ioctl(struct tty_struct *tty, struct file *file, (struct serial_struct __user *)arg); case TIOCSSERIAL: dbg("%s - (%d) TIOCSSERIAL", __func__, port->number); - return ti_set_serial_info(tport, - (struct serial_struct __user *)arg); + return ti_set_serial_info(tty, tport, + (struct serial_struct __user *)arg); case TIOCMIWAIT: dbg("%s - (%d) TIOCMIWAIT", __func__, port->number); cprev = tport->tp_icount; @@ -1211,6 +1211,7 @@ static void ti_bulk_in_callback(struct urb *urb) struct device *dev = &urb->dev->dev; int status = urb->status; int retval = 0; + struct tty_struct *tty; dbg("%s", __func__); @@ -1239,20 +1240,22 @@ static void ti_bulk_in_callback(struct urb *urb) return; } - if (port->port.tty && urb->actual_length) { + tty = tty_port_tty_get(&port->port); + if (tty && urb->actual_length) { usb_serial_debug_data(debug, dev, __func__, urb->actual_length, urb->transfer_buffer); if (!tport->tp_is_open) dbg("%s - port closed, dropping data", __func__); else - ti_recv(&urb->dev->dev, port->port.tty, + ti_recv(&urb->dev->dev, tty, urb->transfer_buffer, urb->actual_length); spin_lock(&tport->tp_lock); tport->tp_icount.rx += urb->actual_length; spin_unlock(&tport->tp_lock); + tty_kref_put(tty); } exit: @@ -1330,7 +1333,7 @@ static void ti_send(struct ti_port *tport) { int count, result; struct usb_serial_port *port = tport->tp_port; - struct tty_struct *tty = port->port.tty; /* FIXME */ + struct tty_struct *tty = tty_port_tty_get(&port->port); /* FIXME */ unsigned long flags; @@ -1338,19 +1341,15 @@ static void ti_send(struct ti_port *tport) spin_lock_irqsave(&tport->tp_lock, flags); - if (tport->tp_write_urb_in_use) { - spin_unlock_irqrestore(&tport->tp_lock, flags); - return; - } + if (tport->tp_write_urb_in_use) + goto unlock; count = ti_buf_get(tport->tp_write_buf, port->write_urb->transfer_buffer, port->bulk_out_size); - if (count == 0) { - spin_unlock_irqrestore(&tport->tp_lock, flags); - return; - } + if (count == 0) + goto unlock; tport->tp_write_urb_in_use = 1; @@ -1380,7 +1379,13 @@ static void ti_send(struct ti_port *tport) /* more room in the buffer for new writes, wakeup */ if (tty) tty_wakeup(tty); + tty_kref_put(tty); wake_up_interruptible(&tport->tp_write_wait); + return; +unlock: + spin_unlock_irqrestore(&tport->tp_lock, flags); + tty_kref_put(tty); + return; } @@ -1464,20 +1469,16 @@ static int ti_get_serial_info(struct ti_port *tport, } -static int ti_set_serial_info(struct ti_port *tport, +static int ti_set_serial_info(struct tty_struct *tty, struct ti_port *tport, struct serial_struct __user *new_arg) { - struct usb_serial_port *port = tport->tp_port; struct serial_struct new_serial; if (copy_from_user(&new_serial, new_arg, sizeof(new_serial))) return -EFAULT; tport->tp_flags = new_serial.flags & TI_SET_SERIAL_FLAGS; - /* FIXME */ - if (port->port.tty) - port->port.tty->low_latency = - (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0; + tty->low_latency = (tport->tp_flags & ASYNC_LOW_LATENCY) ? 1 : 0; tport->tp_closing_wait = new_serial.closing_wait; return 0; @@ -1510,7 +1511,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr) tport->tp_msr = msr & TI_MSR_MASK; /* handle CTS flow control */ - tty = tport->tp_port->port.tty; + tty = tty_port_tty_get(&tport->tp_port->port); if (tty && C_CRTSCTS(tty)) { if (msr & TI_MSR_CTS) { tty->hw_stopped = 0; @@ -1519,6 +1520,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr) tty->hw_stopped = 1; } } + tty_kref_put(tty); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 4f7f9e3ae0a4..e7d4246027b2 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -214,7 +214,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp) /* set up our port structure making the tty driver * remember our port object, and us it */ tty->driver_data = port; - port->port.tty = tty; + tty_port_tty_set(&port->port, tty); if (port->port.count == 1) { @@ -246,7 +246,7 @@ bailout_module_put: bailout_mutex_unlock: port->port.count = 0; tty->driver_data = NULL; - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); mutex_unlock(&port->mutex); bailout_kref_put: usb_serial_put(serial); @@ -276,10 +276,11 @@ static void serial_close(struct tty_struct *tty, struct file *filp) port->serial->type->close(tty, port, filp); if (port->port.count == (port->console? 1 : 0)) { - if (port->port.tty) { - if (port->port.tty->driver_data) - port->port.tty->driver_data = NULL; - port->port.tty = NULL; + struct tty_struct *tty = tty_port_tty_get(&port->port); + if (tty) { + if (tty->driver_data) + tty->driver_data = NULL; + tty_port_tty_set(&port->port, NULL); } } @@ -508,11 +509,12 @@ static void usb_serial_port_work(struct work_struct *work) if (!port) return; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (!tty) return; tty_wakeup(tty); + tty_kref_put(tty); } static void port_release(struct device *dev) @@ -819,6 +821,7 @@ int usb_serial_probe(struct usb_interface *interface, port = kzalloc(sizeof(struct usb_serial_port), GFP_KERNEL); if (!port) goto probe_error; + tty_port_init(&port->port); port->serial = serial; spin_lock_init(&port->lock); mutex_init(&port->mutex); @@ -1040,8 +1043,11 @@ void usb_serial_disconnect(struct usb_interface *interface) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; if (port) { - if (port->port.tty) - tty_hangup(port->port.tty); + struct tty_struct *tty = tty_port_tty_get(&port->port); + if (tty) { + tty_hangup(tty); + tty_kref_put(tty); + } kill_traffic(port); } } diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index cf8924f9a2cc..a6d1c75a1c89 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -499,7 +499,7 @@ static void visor_read_bulk_callback(struct urb *urb) int status = urb->status; struct tty_struct *tty; int result; - int available_room; + int available_room = 0; dbg("%s - port %d", __func__, port->number); @@ -512,13 +512,17 @@ static void visor_read_bulk_callback(struct urb *urb) usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data); - tty = port->port.tty; - if (tty && urb->actual_length) { - available_room = tty_buffer_request_room(tty, + if (urb->actual_length) { + tty = tty_port_tty_get(&port->port); + if (tty) { + available_room = tty_buffer_request_room(tty, urb->actual_length); - if (available_room) { - tty_insert_flip_string(tty, data, available_room); - tty_flip_buffer_push(tty); + if (available_room) { + tty_insert_flip_string(tty, data, + available_room); + tty_flip_buffer_push(tty); + } + tty_kref_put(tty); } spin_lock(&priv->lock); priv->bytes_in += available_room; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 3a9d14384a43..11c8b97a5177 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -1481,7 +1481,7 @@ static void rx_data_softint(struct work_struct *work) struct whiteheat_private *info = container_of(work, struct whiteheat_private, rx_work); struct usb_serial_port *port = info->port; - struct tty_struct *tty = port->port.tty; + struct tty_struct *tty = tty_port_tty_get(&port->port); struct whiteheat_urb_wrap *wrap; struct urb *urb; unsigned long flags; @@ -1493,7 +1493,7 @@ static void rx_data_softint(struct work_struct *work) spin_lock_irqsave(&info->lock, flags); if (info->flags & THROTTLED) { spin_unlock_irqrestore(&info->lock, flags); - return; + goto out; } list_for_each_safe(tmp, tmp2, &info->rx_urb_q) { @@ -1513,7 +1513,7 @@ static void rx_data_softint(struct work_struct *work) spin_unlock_irqrestore(&info->lock, flags); tty_flip_buffer_push(tty); schedule_work(&info->rx_work); - return; + goto out; } tty_insert_flip_string(tty, urb->transfer_buffer, len); sent += len; @@ -1536,6 +1536,8 @@ static void rx_data_softint(struct work_struct *work) if (sent) tty_flip_buffer_push(tty); +out: + tty_kref_put(tty); } diff --git a/include/linux/tty.h b/include/linux/tty.h index b64d10b66548..c30ed8d3bcbd 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -182,6 +182,7 @@ struct signal_struct; struct tty_port { struct tty_struct *tty; /* Back pointer */ + spinlock_t lock; /* Lock protecting tty field */ int blocked_open; /* Waiting to open */ int count; /* Usage count */ wait_queue_head_t open_wait; /* Open waiters */ @@ -405,6 +406,8 @@ extern int tty_write_lock(struct tty_struct *tty, int ndelay); extern void tty_port_init(struct tty_port *port); extern int tty_port_alloc_xmit_buf(struct tty_port *port); extern void tty_port_free_xmit_buf(struct tty_port *port); +extern struct tty_struct *tty_port_tty_get(struct tty_port *port); +extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); extern int tty_unregister_ldisc(int disc); -- GitLab From d450b5a0196b6442cf3f29fc611d9c8daa56b559 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:39:58 +0100 Subject: [PATCH 4365/6244] tty: kref usage for isicom and moxa Rather than blindly keep taking krefs we reorder the code in a few places to pass the tty down to the right place (which is important as from the user side it is not the case that tty == port->tty in all situations). For the irq and related paths use the krefs to stop the tty being freed under us. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/isicom.c | 61 ++++++++++++++++++++++--------------------- drivers/char/moxa.c | 61 +++++++++++++++++++++++++++---------------- 2 files changed, 69 insertions(+), 53 deletions(-) diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 8f7cc190b62d..7d30ee1d3fca 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -421,17 +421,16 @@ static void isicom_tx(unsigned long _data) if (retries >= 100) goto unlock; + tty = tty_port_tty_get(&port->port); + if (tty == NULL) + goto put_unlock; + for (; count > 0; count--, port++) { /* port not active or tx disabled to force flow control */ if (!(port->port.flags & ASYNC_INITIALIZED) || !(port->status & ISI_TXOK)) continue; - tty = port->port.tty; - - if (tty == NULL) - continue; - txcount = min_t(short, TX_SIZE, port->xmit_cnt); if (txcount <= 0 || tty->stopped || tty->hw_stopped) continue; @@ -489,6 +488,8 @@ static void isicom_tx(unsigned long _data) tty_wakeup(tty); } +put_unlock: + tty_kref_put(tty); unlock: spin_unlock_irqrestore(&isi_card[card].card_lock, flags); /* schedule another tx for hopefully in about 10ms */ @@ -547,7 +548,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); if (tty == NULL) { word_count = byte_count >> 1; while (byte_count > 1) { @@ -588,7 +589,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) } if (port->port.flags & ASYNC_CTS_FLOW) { - if (port->port.tty->hw_stopped) { + if (tty->hw_stopped) { if (header & ISI_CTS) { port->port.tty->hw_stopped = 0; /* start tx ing */ @@ -597,7 +598,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) tty_wakeup(tty); } } else if (!(header & ISI_CTS)) { - port->port.tty->hw_stopped = 1; + tty->hw_stopped = 1; /* stop tx ing */ port->status &= ~(ISI_TXOK | ISI_CTS); } @@ -660,24 +661,21 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) } outw(0x0000, base+0x04); /* enable interrupts */ spin_unlock(&card->card_lock); + tty_kref_put(tty); return IRQ_HANDLED; } -static void isicom_config_port(struct isi_port *port) +static void isicom_config_port(struct tty_struct *tty) { + struct isi_port *port = tty->driver_data; struct isi_board *card = port->card; - struct tty_struct *tty; unsigned long baud; unsigned long base = card->base; u16 channel_setup, channel = port->channel, shift_count = card->shift_count; unsigned char flow_ctrl; - tty = port->port.tty; - - if (tty == NULL) - return; /* FIXME: Switch to new tty baud API */ baud = C_BAUD(tty); if (baud & CBAUDEX) { @@ -690,7 +688,7 @@ static void isicom_config_port(struct isi_port *port) /* 1,2,3,4 => 57.6, 115.2, 230, 460 kbps resp. */ if (baud < 1 || baud > 4) - port->port.tty->termios->c_cflag &= ~CBAUDEX; + tty->termios->c_cflag &= ~CBAUDEX; else baud += 15; } @@ -797,8 +795,9 @@ static inline void isicom_setup_board(struct isi_board *bp) spin_unlock_irqrestore(&bp->card_lock, flags); } -static int isicom_setup_port(struct isi_port *port) +static int isicom_setup_port(struct tty_struct *tty) { + struct isi_port *port = tty->driver_data; struct isi_board *card = port->card; unsigned long flags; @@ -808,8 +807,7 @@ static int isicom_setup_port(struct isi_port *port) return -ENOMEM; spin_lock_irqsave(&card->card_lock, flags); - if (port->port.tty) - clear_bit(TTY_IO_ERROR, &port->port.tty->flags); + clear_bit(TTY_IO_ERROR, &tty->flags); if (port->port.count == 1) card->count++; @@ -823,7 +821,7 @@ static int isicom_setup_port(struct isi_port *port) InterruptTheCard(card->base); } - isicom_config_port(port); + isicom_config_port(tty); port->port.flags |= ASYNC_INITIALIZED; spin_unlock_irqrestore(&card->card_lock, flags); @@ -934,8 +932,8 @@ static int isicom_open(struct tty_struct *tty, struct file *filp) port->port.count++; tty->driver_data = port; - port->port.tty = tty; - error = isicom_setup_port(port); + tty_port_tty_set(&port->port, tty); + error = isicom_setup_port(tty); if (error == 0) error = block_til_ready(tty, filp, port); return error; @@ -955,15 +953,17 @@ static void isicom_shutdown_port(struct isi_port *port) struct isi_board *card = port->card; struct tty_struct *tty; - tty = port->port.tty; + tty = tty_port_tty_get(&port->port); - if (!(port->port.flags & ASYNC_INITIALIZED)) + if (!(port->port.flags & ASYNC_INITIALIZED)) { + tty_kref_put(tty); return; + } tty_port_free_xmit_buf(&port->port); port->port.flags &= ~ASYNC_INITIALIZED; /* 3rd October 2000 : Vinayak P Risbud */ - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); /*Fix done by Anil .S on 30-04-2001 remote login through isi port has dtr toggle problem @@ -1243,9 +1243,10 @@ static int isicom_tiocmset(struct tty_struct *tty, struct file *file, return 0; } -static int isicom_set_serial_info(struct isi_port *port, - struct serial_struct __user *info) +static int isicom_set_serial_info(struct tty_struct *tty, + struct serial_struct __user *info) { + struct isi_port *port = tty->driver_data; struct serial_struct newinfo; int reconfig_port; @@ -1276,7 +1277,7 @@ static int isicom_set_serial_info(struct isi_port *port, if (reconfig_port) { unsigned long flags; spin_lock_irqsave(&port->card->card_lock, flags); - isicom_config_port(port); + isicom_config_port(tty); spin_unlock_irqrestore(&port->card->card_lock, flags); } unlock_kernel(); @@ -1318,7 +1319,7 @@ static int isicom_ioctl(struct tty_struct *tty, struct file *filp, return isicom_get_serial_info(port, argp); case TIOCSSERIAL: - return isicom_set_serial_info(port, argp); + return isicom_set_serial_info(tty, argp); default: return -ENOIOCTLCMD; @@ -1341,7 +1342,7 @@ static void isicom_set_termios(struct tty_struct *tty, return; spin_lock_irqsave(&port->card->card_lock, flags); - isicom_config_port(port); + isicom_config_port(tty); spin_unlock_irqrestore(&port->card->card_lock, flags); if ((old_termios->c_cflag & CRTSCTS) && @@ -1419,7 +1420,7 @@ static void isicom_hangup(struct tty_struct *tty) port->port.count = 0; port->port.flags &= ~ASYNC_NORMAL_ACTIVE; - port->port.tty = NULL; + tty_port_tty_set(&port->port, NULL); wake_up_interruptible(&port->port.open_wait); } diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index d3d7864e0c1e..5df4003ad873 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -205,7 +205,7 @@ static int moxa_tiocmset(struct tty_struct *tty, struct file *file, static void moxa_poll(unsigned long); static void moxa_set_tty_param(struct tty_struct *, struct ktermios *); static void moxa_setup_empty_event(struct tty_struct *); -static void moxa_shut_down(struct moxa_port *); +static void moxa_shut_down(struct tty_struct *); /* * moxa board interface functions: */ @@ -217,7 +217,7 @@ static void MoxaPortLineCtrl(struct moxa_port *, int, int); static void MoxaPortFlowCtrl(struct moxa_port *, int, int, int, int, int); static int MoxaPortLineStatus(struct moxa_port *); static void MoxaPortFlushData(struct moxa_port *, int); -static int MoxaPortWriteData(struct moxa_port *, const unsigned char *, int); +static int MoxaPortWriteData(struct tty_struct *, const unsigned char *, int); static int MoxaPortReadData(struct moxa_port *); static int MoxaPortTxQueue(struct moxa_port *); static int MoxaPortRxQueue(struct moxa_port *); @@ -332,6 +332,7 @@ static int moxa_ioctl(struct tty_struct *tty, struct file *file, for (i = 0; i < MAX_BOARDS; i++) { p = moxa_boards[i].ports; for (j = 0; j < MAX_PORTS_PER_BOARD; j++, p++, argm++) { + struct tty_struct *ttyp; memset(&tmp, 0, sizeof(tmp)); if (!moxa_boards[i].ready) goto copy; @@ -344,10 +345,12 @@ static int moxa_ioctl(struct tty_struct *tty, struct file *file, if (status & 4) tmp.dcd = 1; - if (!p->port.tty || !p->port.tty->termios) + ttyp = tty_port_tty_get(&p->port); + if (!ttyp || !ttyp->termios) tmp.cflag = p->cflag; else - tmp.cflag = p->port.tty->termios->c_cflag; + tmp.cflag = ttyp->termios->c_cflag; + tty_kref_put(tty); copy: if (copy_to_user(argm, &tmp, sizeof(tmp))) { mutex_unlock(&moxa_openlock); @@ -880,8 +883,14 @@ static void moxa_board_deinit(struct moxa_board_conf *brd) /* pci hot-un-plug support */ for (a = 0; a < brd->numPorts; a++) - if (brd->ports[a].port.flags & ASYNC_INITIALIZED) - tty_hangup(brd->ports[a].port.tty); + if (brd->ports[a].port.flags & ASYNC_INITIALIZED) { + struct tty_struct *tty = tty_port_tty_get( + &brd->ports[a].port); + if (tty) { + tty_hangup(tty); + tty_kref_put(tty); + } + } while (1) { opened = 0; for (a = 0; a < brd->numPorts; a++) @@ -1096,13 +1105,14 @@ static void __exit moxa_exit(void) module_init(moxa_init); module_exit(moxa_exit); -static void moxa_close_port(struct moxa_port *ch) +static void moxa_close_port(struct tty_struct *tty) { - moxa_shut_down(ch); + struct moxa_port *ch = tty->driver_data; + moxa_shut_down(tty); MoxaPortFlushData(ch, 2); ch->port.flags &= ~ASYNC_NORMAL_ACTIVE; - ch->port.tty->driver_data = NULL; - ch->port.tty = NULL; + tty->driver_data = NULL; + tty_port_tty_set(&ch->port, NULL); } static int moxa_block_till_ready(struct tty_struct *tty, struct file *filp, @@ -1161,7 +1171,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) ch = &brd->ports[port % MAX_PORTS_PER_BOARD]; ch->port.count++; tty->driver_data = ch; - ch->port.tty = tty; + tty_port_tty_set(&ch->port, tty); if (!(ch->port.flags & ASYNC_INITIALIZED)) { ch->statusflags = 0; moxa_set_tty_param(tty, tty->termios); @@ -1179,7 +1189,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) if (retval) { if (ch->port.count) /* 0 means already hung up... */ if (--ch->port.count == 0) - moxa_close_port(ch); + moxa_close_port(tty); } else ch->port.flags |= ASYNC_NORMAL_ACTIVE; mutex_unlock(&moxa_openlock); @@ -1219,7 +1229,7 @@ static void moxa_close(struct tty_struct *tty, struct file *filp) tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */ } - moxa_close_port(ch); + moxa_close_port(tty); unlock: mutex_unlock(&moxa_openlock); } @@ -1234,7 +1244,7 @@ static int moxa_write(struct tty_struct *tty, return 0; spin_lock_bh(&moxa_lock); - len = MoxaPortWriteData(ch, buf, count); + len = MoxaPortWriteData(tty, buf, count); spin_unlock_bh(&moxa_lock); ch->statusflags |= LOWWAIT; @@ -1409,7 +1419,7 @@ static void moxa_hangup(struct tty_struct *tty) return; } ch->port.count = 0; - moxa_close_port(ch); + moxa_close_port(tty); mutex_unlock(&moxa_openlock); wake_up_interruptible(&ch->port.open_wait); @@ -1417,11 +1427,14 @@ static void moxa_hangup(struct tty_struct *tty) static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd) { + struct tty_struct *tty; dcd = !!dcd; - if (dcd != p->DCDState && p->port.tty && C_CLOCAL(p->port.tty)) { - if (!dcd) - tty_hangup(p->port.tty); + if (dcd != p->DCDState) { + tty = tty_port_tty_get(&p->port); + if (tty && C_CLOCAL(tty) && !dcd) + tty_hangup(tty); + tty_kref_put(tty); } p->DCDState = dcd; } @@ -1429,7 +1442,7 @@ static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd) static int moxa_poll_port(struct moxa_port *p, unsigned int handle, u16 __iomem *ip) { - struct tty_struct *tty = p->port.tty; + struct tty_struct *tty = tty_port_tty_get(&p->port); void __iomem *ofsAddr; unsigned int inited = p->port.flags & ASYNC_INITIALIZED; u16 intr; @@ -1476,6 +1489,7 @@ static int moxa_poll_port(struct moxa_port *p, unsigned int handle, tty_insert_flip_char(tty, 0, TTY_BREAK); tty_schedule_flip(tty); } + tty_kref_put(tty); if (intr & IntrLine) moxa_new_dcdstate(p, readb(ofsAddr + FlagStat) & DCD_state); @@ -1560,9 +1574,9 @@ static void moxa_setup_empty_event(struct tty_struct *tty) spin_unlock_bh(&moxa_lock); } -static void moxa_shut_down(struct moxa_port *ch) +static void moxa_shut_down(struct tty_struct *tty) { - struct tty_struct *tp = ch->port.tty; + struct moxa_port *ch = tty->driver_data; if (!(ch->port.flags & ASYNC_INITIALIZED)) return; @@ -1572,7 +1586,7 @@ static void moxa_shut_down(struct moxa_port *ch) /* * If we're a modem control device and HUPCL is on, drop RTS & DTR. */ - if (C_HUPCL(tp)) + if (C_HUPCL(tty)) MoxaPortLineCtrl(ch, 0, 0); spin_lock_bh(&moxa_lock); @@ -1953,9 +1967,10 @@ static int MoxaPortLineStatus(struct moxa_port *port) return val; } -static int MoxaPortWriteData(struct moxa_port *port, +static int MoxaPortWriteData(struct tty_struct *tty, const unsigned char *buffer, int len) { + struct moxa_port *port = tty->driver_data; void __iomem *baseAddr, *ofsAddr, *ofs; unsigned int c, total; u16 head, tail, tx_mask, spage, epage; -- GitLab From d18a750fe9fa3b6cab882d51f99bba25bb0a006e Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:40:07 +0100 Subject: [PATCH 4366/6244] stallion: Use krefs Use tty_port_init and krefs in the stallion drivers to protect us from devices going away underneath us. As with the other drives some rearranging is done to pass the tty structure down properly on the user side. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/Kconfig | 4 +- drivers/char/istallion.c | 107 +++++++++++++++++++++------------------ drivers/char/stallion.c | 105 +++++++++++++++++++++++--------------- 3 files changed, 123 insertions(+), 93 deletions(-) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index caff85149b9d..700ff9679457 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -350,7 +350,7 @@ config STALDRV config STALLION tristate "Stallion EasyIO or EC8/32 support" - depends on STALDRV && BROKEN_ON_SMP && (ISA || EISA || PCI) + depends on STALDRV && (ISA || EISA || PCI) help If you have an EasyIO or EasyConnection 8/32 multiport Stallion card, then this is for you; say Y. Make sure to read @@ -361,7 +361,7 @@ config STALLION config ISTALLION tristate "Stallion EC8/64, ONboard, Brumby support" - depends on STALDRV && BROKEN_ON_SMP && (ISA || EISA || PCI) + depends on STALDRV && (ISA || EISA || PCI) help If you have an EasyConnection 8/64, ONboard, Brumby or Stallion serial multiport card, say Y here. Make sure to read diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 843a2afaf204..96ee1121acef 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -623,24 +623,25 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp); static void stli_poll(unsigned long arg); static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp); -static int stli_initopen(struct stlibrd *brdp, struct stliport *portp); +static int stli_initopen(struct tty_struct *tty, struct stlibrd *brdp, struct stliport *portp); static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait); static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait); -static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp); -static int stli_setport(struct stliport *portp); +static int stli_waitcarrier(struct tty_struct *tty, struct stlibrd *brdp, + struct stliport *portp, struct file *filp); +static int stli_setport(struct tty_struct *tty); static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback); static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp); -static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp); +static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp, asyport_t *pp, struct ktermios *tiosp); static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts); static long stli_mktiocm(unsigned long sigvalue); static void stli_read(struct stlibrd *brdp, struct stliport *portp); static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp); -static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp); +static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp); static int stli_getbrdstats(combrd_t __user *bp); -static int stli_getportstats(struct stliport *portp, comstats_t __user *cp); -static int stli_portcmdstats(struct stliport *portp); +static int stli_getportstats(struct tty_struct *tty, struct stliport *portp, comstats_t __user *cp); +static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp); static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp); static int stli_getportstruct(struct stliport __user *arg); static int stli_getbrdstruct(struct stlibrd __user *arg); @@ -731,12 +732,16 @@ static void stli_cleanup_ports(struct stlibrd *brdp) { struct stliport *portp; unsigned int j; + struct tty_struct *tty; for (j = 0; j < STL_MAXPORTS; j++) { portp = brdp->ports[j]; if (portp != NULL) { - if (portp->port.tty != NULL) - tty_hangup(portp->port.tty); + tty = tty_port_tty_get(&portp->port); + if (tty != NULL) { + tty_hangup(tty); + tty_kref_put(tty); + } kfree(portp); } } @@ -824,7 +829,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) * requires several commands to the board we will need to wait for any * other open that is already initializing the port. */ - portp->port.tty = tty; + tty_port_tty_set(&portp->port, tty); tty->driver_data = portp; portp->port.count++; @@ -835,7 +840,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) if ((portp->port.flags & ASYNC_INITIALIZED) == 0) { set_bit(ST_INITIALIZING, &portp->state); - if ((rc = stli_initopen(brdp, portp)) >= 0) { + if ((rc = stli_initopen(tty, brdp, portp)) >= 0) { portp->port.flags |= ASYNC_INITIALIZED; clear_bit(TTY_IO_ERROR, &tty->flags); } @@ -864,7 +869,7 @@ static int stli_open(struct tty_struct *tty, struct file *filp) * then also we might have to wait for carrier. */ if (!(filp->f_flags & O_NONBLOCK)) { - if ((rc = stli_waitcarrier(brdp, portp, filp)) != 0) + if ((rc = stli_waitcarrier(tty, brdp, portp, filp)) != 0) return rc; } portp->port.flags |= ASYNC_NORMAL_ACTIVE; @@ -930,7 +935,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp) stli_flushbuffer(tty); tty->closing = 0; - portp->port.tty = NULL; + tty_port_tty_set(&portp->port, NULL); if (portp->openwaitcnt) { if (portp->close_delay) @@ -952,9 +957,9 @@ static void stli_close(struct tty_struct *tty, struct file *filp) * this still all happens pretty quickly. */ -static int stli_initopen(struct stlibrd *brdp, struct stliport *portp) +static int stli_initopen(struct tty_struct *tty, + struct stlibrd *brdp, struct stliport *portp) { - struct tty_struct *tty; asynotify_t nt; asyport_t aport; int rc; @@ -969,10 +974,7 @@ static int stli_initopen(struct stlibrd *brdp, struct stliport *portp) sizeof(asynotify_t), 0)) < 0) return rc; - tty = portp->port.tty; - if (tty == NULL) - return -ENODEV; - stli_mkasyport(portp, &aport, tty->termios); + stli_mkasyport(tty, portp, &aport, tty->termios); if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0)) < 0) return rc; @@ -1161,22 +1163,21 @@ static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned l * waiting for the command to complete - so must have user context. */ -static int stli_setport(struct stliport *portp) +static int stli_setport(struct tty_struct *tty) { + struct stliport *portp = tty->driver_data; struct stlibrd *brdp; asyport_t aport; if (portp == NULL) return -ENODEV; - if (portp->port.tty == NULL) - return -ENODEV; if (portp->brdnr >= stli_nrbrds) return -ENODEV; brdp = stli_brds[portp->brdnr]; if (brdp == NULL) return -ENODEV; - stli_mkasyport(portp, &aport, portp->port.tty->termios); + stli_mkasyport(tty, portp, &aport, tty->termios); return(stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0)); } @@ -1187,7 +1188,8 @@ static int stli_setport(struct stliport *portp) * maybe because if we are clocal then we don't need to wait... */ -static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp) +static int stli_waitcarrier(struct tty_struct *tty, struct stlibrd *brdp, + struct stliport *portp, struct file *filp) { unsigned long flags; int rc, doclocal; @@ -1195,7 +1197,7 @@ static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct rc = 0; doclocal = 0; - if (portp->port.tty->termios->c_cflag & CLOCAL) + if (tty->termios->c_cflag & CLOCAL) doclocal++; spin_lock_irqsave(&stli_lock, flags); @@ -1572,10 +1574,11 @@ static int stli_getserial(struct stliport *portp, struct serial_struct __user *s * just quietly ignore any requests to change irq, etc. */ -static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp) +static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp) { struct serial_struct sio; int rc; + struct stliport *portp = tty->driver_data; if (copy_from_user(&sio, sp, sizeof(struct serial_struct))) return -EFAULT; @@ -1594,7 +1597,7 @@ static int stli_setserial(struct stliport *portp, struct serial_struct __user *s portp->closing_wait = sio.closing_wait; portp->custom_divisor = sio.custom_divisor; - if ((rc = stli_setport(portp)) < 0) + if ((rc = stli_setport(tty)) < 0) return rc; return 0; } @@ -1685,17 +1688,17 @@ static int stli_ioctl(struct tty_struct *tty, struct file *file, unsigned int cm rc = stli_getserial(portp, argp); break; case TIOCSSERIAL: - rc = stli_setserial(portp, argp); + rc = stli_setserial(tty, argp); break; case STL_GETPFLAG: rc = put_user(portp->pflag, (unsigned __user *)argp); break; case STL_SETPFLAG: if ((rc = get_user(portp->pflag, (unsigned __user *)argp)) == 0) - stli_setport(portp); + stli_setport(tty); break; case COM_GETPORTSTATS: - rc = stli_getportstats(portp, argp); + rc = stli_getportstats(tty, portp, argp); break; case COM_CLRPORTSTATS: rc = stli_clrportstats(portp, argp); @@ -1742,7 +1745,7 @@ static void stli_settermios(struct tty_struct *tty, struct ktermios *old) tiosp = tty->termios; - stli_mkasyport(portp, &aport, tiosp); + stli_mkasyport(tty, portp, &aport, tiosp); stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0); stli_mkasysigs(&portp->asig, ((tiosp->c_cflag & CBAUD) ? 1 : 0), -1); stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig, @@ -1854,7 +1857,7 @@ static void stli_hangup(struct tty_struct *tty) clear_bit(ST_TXBUSY, &portp->state); clear_bit(ST_RXSTOP, &portp->state); set_bit(TTY_IO_ERROR, &tty->flags); - portp->port.tty = NULL; + tty_port_tty_set(&portp->port, NULL); portp->port.flags &= ~ASYNC_NORMAL_ACTIVE; portp->port.count = 0; spin_unlock_irqrestore(&stli_lock, flags); @@ -1998,7 +2001,7 @@ static int stli_portinfo(struct stlibrd *brdp, struct stliport *portp, int portn char *sp, *uart; int rc, cnt; - rc = stli_portcmdstats(portp); + rc = stli_portcmdstats(NULL, portp); uart = "UNKNOWN"; if (brdp->state & BST_STARTED) { @@ -2188,7 +2191,7 @@ static void stli_read(struct stlibrd *brdp, struct stliport *portp) if (test_bit(ST_RXSTOP, &portp->state)) return; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (tty == NULL) return; @@ -2230,6 +2233,7 @@ static void stli_read(struct stlibrd *brdp, struct stliport *portp) set_bit(ST_RXING, &portp->state); tty_schedule_flip(tty); + tty_kref_put(tty); } /*****************************************************************************/ @@ -2362,7 +2366,7 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) if (ap->notify) { nt = ap->changed; ap->notify = 0; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (nt.signal & SG_DCD) { oldsigs = portp->sigs; @@ -2399,6 +2403,7 @@ static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp) tty_schedule_flip(tty); } } + tty_kref_put(tty); if (nt.data & DT_RXBUSY) { donerx++; @@ -2535,14 +2540,15 @@ static void stli_poll(unsigned long arg) * the slave. */ -static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp) +static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp, + asyport_t *pp, struct ktermios *tiosp) { memset(pp, 0, sizeof(asyport_t)); /* * Start of by setting the baud, char size, parity and stop bit info. */ - pp->baudout = tty_get_baud_rate(portp->port.tty); + pp->baudout = tty_get_baud_rate(tty); if ((tiosp->c_cflag & CBAUD) == B38400) { if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) pp->baudout = 57600; @@ -2695,7 +2701,7 @@ static int stli_initports(struct stlibrd *brdp) printk("STALLION: failed to allocate port structure\n"); continue; } - + tty_port_init(&portp->port); portp->magic = STLI_PORTMAGIC; portp->portnr = i; portp->brdnr = brdp->brdnr; @@ -4220,7 +4226,7 @@ static struct stliport *stli_getport(unsigned int brdnr, unsigned int panelnr, * what port to get stats for (used through board control device). */ -static int stli_portcmdstats(struct stliport *portp) +static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp) { unsigned long flags; struct stlibrd *brdp; @@ -4249,15 +4255,15 @@ static int stli_portcmdstats(struct stliport *portp) stli_comstats.flags = portp->port.flags; spin_lock_irqsave(&brd_lock, flags); - if (portp->port.tty != NULL) { - if (portp->port.tty->driver_data == portp) { - stli_comstats.ttystate = portp->port.tty->flags; + if (tty != NULL) { + if (portp->port.tty == tty) { + stli_comstats.ttystate = tty->flags; stli_comstats.rxbuffered = -1; - if (portp->port.tty->termios != NULL) { - stli_comstats.cflags = portp->port.tty->termios->c_cflag; - stli_comstats.iflags = portp->port.tty->termios->c_iflag; - stli_comstats.oflags = portp->port.tty->termios->c_oflag; - stli_comstats.lflags = portp->port.tty->termios->c_lflag; + if (tty->termios != NULL) { + stli_comstats.cflags = tty->termios->c_cflag; + stli_comstats.iflags = tty->termios->c_iflag; + stli_comstats.oflags = tty->termios->c_oflag; + stli_comstats.lflags = tty->termios->c_lflag; } } } @@ -4294,7 +4300,8 @@ static int stli_portcmdstats(struct stliport *portp) * what port to get stats for (used through board control device). */ -static int stli_getportstats(struct stliport *portp, comstats_t __user *cp) +static int stli_getportstats(struct tty_struct *tty, struct stliport *portp, + comstats_t __user *cp) { struct stlibrd *brdp; int rc; @@ -4312,7 +4319,7 @@ static int stli_getportstats(struct stliport *portp, comstats_t __user *cp) if (!brdp) return -ENODEV; - if ((rc = stli_portcmdstats(portp)) < 0) + if ((rc = stli_portcmdstats(tty, portp)) < 0) return rc; return copy_to_user(cp, &stli_comstats, sizeof(comstats_t)) ? @@ -4427,7 +4434,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un switch (cmd) { case COM_GETPORTSTATS: - rc = stli_getportstats(NULL, argp); + rc = stli_getportstats(NULL, NULL, argp); done++; break; case COM_CLRPORTSTATS: diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 19db1eb87c26..81b3234127db 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -405,9 +405,9 @@ static unsigned int stl_baudrates[] = { static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg); static int stl_brdinit(struct stlbrd *brdp); -static int stl_getportstats(struct stlport *portp, comstats_t __user *cp); +static int stl_getportstats(struct tty_struct *tty, struct stlport *portp, comstats_t __user *cp); static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp); -static int stl_waitcarrier(struct stlport *portp, struct file *filp); +static int stl_waitcarrier(struct tty_struct *tty, struct stlport *portp, struct file *filp); /* * CD1400 uart specific handling functions. @@ -612,8 +612,9 @@ static struct class *stallion_class; static void stl_cd_change(struct stlport *portp) { unsigned int oldsigs = portp->sigs; + struct tty_struct *tty = tty_port_tty_get(&portp->port); - if (!portp->port.tty) + if (!tty) return; portp->sigs = stl_getsignals(portp); @@ -623,7 +624,8 @@ static void stl_cd_change(struct stlport *portp) if ((oldsigs & TIOCM_CD) && ((portp->sigs & TIOCM_CD) == 0)) if (portp->port.flags & ASYNC_CHECK_CD) - tty_hangup(portp->port.tty); + tty_hangup(tty); + tty_kref_put(tty); } /* @@ -734,7 +736,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * On the first open of the device setup the port hardware, and * initialize the per port data structure. */ - portp->port.tty = tty; + tty_port_tty_set(&portp->port, tty); tty->driver_data = portp; portp->port.count++; @@ -774,7 +776,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * then also we might have to wait for carrier. */ if (!(filp->f_flags & O_NONBLOCK)) - if ((rc = stl_waitcarrier(portp, filp)) != 0) + if ((rc = stl_waitcarrier(tty, portp, filp)) != 0) return rc; portp->port.flags |= ASYNC_NORMAL_ACTIVE; @@ -789,7 +791,8 @@ static int stl_open(struct tty_struct *tty, struct file *filp) * maybe because if we are clocal then we don't need to wait... */ -static int stl_waitcarrier(struct stlport *portp, struct file *filp) +static int stl_waitcarrier(struct tty_struct *tty, struct stlport *portp, + struct file *filp) { unsigned long flags; int rc, doclocal; @@ -801,7 +804,7 @@ static int stl_waitcarrier(struct stlport *portp, struct file *filp) spin_lock_irqsave(&stallion_lock, flags); - if (portp->port.tty->termios->c_cflag & CLOCAL) + if (tty->termios->c_cflag & CLOCAL) doclocal++; portp->openwaitcnt++; @@ -949,7 +952,7 @@ static void stl_close(struct tty_struct *tty, struct file *filp) tty_ldisc_flush(tty); tty->closing = 0; - portp->port.tty = NULL; + tty_port_tty_set(&portp->port, NULL); if (portp->openwaitcnt) { if (portp->close_delay) @@ -1183,8 +1186,9 @@ static int stl_getserial(struct stlport *portp, struct serial_struct __user *sp) * just quietly ignore any requests to change irq, etc. */ -static int stl_setserial(struct stlport *portp, struct serial_struct __user *sp) +static int stl_setserial(struct tty_struct *tty, struct serial_struct __user *sp) { + struct stlport * portp = tty->driver_data; struct serial_struct sio; pr_debug("stl_setserial(portp=%p,sp=%p)\n", portp, sp); @@ -1205,7 +1209,7 @@ static int stl_setserial(struct stlport *portp, struct serial_struct __user *sp) portp->close_delay = sio.close_delay; portp->closing_wait = sio.closing_wait; portp->custom_divisor = sio.custom_divisor; - stl_setport(portp, portp->port.tty->termios); + stl_setport(portp, tty->termios); return 0; } @@ -1282,10 +1286,10 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd rc = stl_getserial(portp, argp); break; case TIOCSSERIAL: - rc = stl_setserial(portp, argp); + rc = stl_setserial(tty, argp); break; case COM_GETPORTSTATS: - rc = stl_getportstats(portp, argp); + rc = stl_getportstats(tty, portp, argp); break; case COM_CLRPORTSTATS: rc = stl_clrportstats(portp, argp); @@ -1452,7 +1456,7 @@ static void stl_hangup(struct tty_struct *tty) portp->tx.head = NULL; portp->tx.tail = NULL; } - portp->port.tty = NULL; + tty_port_tty_set(&portp->port, NULL); portp->port.flags &= ~ASYNC_NORMAL_ACTIVE; portp->port.count = 0; wake_up_interruptible(&portp->port.open_wait); @@ -1805,7 +1809,7 @@ static int __devinit stl_initports(struct stlbrd *brdp, struct stlpanel *panelp) "(size=%Zd)\n", sizeof(struct stlport)); break; } - + tty_port_init(&portp->port); portp->magic = STL_PORTMAGIC; portp->portnr = i; portp->brdnr = panelp->brdnr; @@ -1832,6 +1836,7 @@ static void stl_cleanup_panels(struct stlbrd *brdp) struct stlpanel *panelp; struct stlport *portp; unsigned int j, k; + struct tty_struct *tty; for (j = 0; j < STL_MAXPANELS; j++) { panelp = brdp->panels[j]; @@ -1841,8 +1846,11 @@ static void stl_cleanup_panels(struct stlbrd *brdp) portp = panelp->ports[k]; if (portp == NULL) continue; - if (portp->port.tty != NULL) - stl_hangup(portp->port.tty); + tty = tty_port_tty_get(&portp->port); + if (tty != NULL) { + stl_hangup(tty); + tty_kref_put(tty); + } kfree(portp->tx.buf); kfree(portp); } @@ -2498,7 +2506,7 @@ static struct stlport *stl_getport(int brdnr, int panelnr, int portnr) * what port to get stats for (used through board control device). */ -static int stl_getportstats(struct stlport *portp, comstats_t __user *cp) +static int stl_getportstats(struct tty_struct *tty, struct stlport *portp, comstats_t __user *cp) { comstats_t stl_comstats; unsigned char *head, *tail; @@ -2525,18 +2533,17 @@ static int stl_getportstats(struct stlport *portp, comstats_t __user *cp) portp->stats.rxbuffered = 0; spin_lock_irqsave(&stallion_lock, flags); - if (portp->port.tty != NULL) - if (portp->port.tty->driver_data == portp) { - portp->stats.ttystate = portp->port.tty->flags; - /* No longer available as a statistic */ - portp->stats.rxbuffered = 1; /*portp->port.tty->flip.count; */ - if (portp->port.tty->termios != NULL) { - portp->stats.cflags = portp->port.tty->termios->c_cflag; - portp->stats.iflags = portp->port.tty->termios->c_iflag; - portp->stats.oflags = portp->port.tty->termios->c_oflag; - portp->stats.lflags = portp->port.tty->termios->c_lflag; - } + if (tty != NULL && portp->port.tty == tty) { + portp->stats.ttystate = tty->flags; + /* No longer available as a statistic */ + portp->stats.rxbuffered = 1; /*tty->flip.count; */ + if (tty->termios != NULL) { + portp->stats.cflags = tty->termios->c_cflag; + portp->stats.iflags = tty->termios->c_iflag; + portp->stats.oflags = tty->termios->c_oflag; + portp->stats.lflags = tty->termios->c_lflag; } + } spin_unlock_irqrestore(&stallion_lock, flags); head = portp->tx.head; @@ -2640,7 +2647,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns switch (cmd) { case COM_GETPORTSTATS: - rc = stl_getportstats(NULL, argp); + rc = stl_getportstats(NULL, NULL, argp); break; case COM_CLRPORTSTATS: rc = stl_clrportstats(NULL, argp); @@ -3243,7 +3250,7 @@ static void stl_cd1400flowctrl(struct stlport *portp, int state) if (portp == NULL) return; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (tty == NULL) return; @@ -3288,6 +3295,7 @@ static void stl_cd1400flowctrl(struct stlport *portp, int state) BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); + tty_kref_put(tty); } /*****************************************************************************/ @@ -3305,7 +3313,7 @@ static void stl_cd1400sendflow(struct stlport *portp, int state) if (portp == NULL) return; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (tty == NULL) return; @@ -3325,6 +3333,7 @@ static void stl_cd1400sendflow(struct stlport *portp, int state) } BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); + tty_kref_put(tty); } /*****************************************************************************/ @@ -3478,6 +3487,7 @@ static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr) int len, stlen; char *head, *tail; unsigned char ioack, srer; + struct tty_struct *tty; pr_debug("stl_cd1400txisr(panelp=%p,ioaddr=%x)\n", panelp, ioaddr); @@ -3504,8 +3514,11 @@ static void stl_cd1400txisr(struct stlpanel *panelp, int ioaddr) if ((len == 0) || ((len < STL_TXBUFLOW) && (test_bit(ASYI_TXLOW, &portp->istate) == 0))) { set_bit(ASYI_TXLOW, &portp->istate); - if (portp->port.tty) - tty_wakeup(portp->port.tty); + tty = tty_port_tty_get(&portp->port); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } if (len == 0) { @@ -3569,7 +3582,7 @@ static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr) return; } portp = panelp->ports[(ioack >> 3)]; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if ((ioack & ACK_TYPMASK) == ACK_TYPRXGOOD) { outb((RDCR + portp->uartaddr), ioaddr); @@ -3633,10 +3646,12 @@ static void stl_cd1400rxisr(struct stlpanel *panelp, int ioaddr) } } else { printk("STALLION: bad RX interrupt ack value=%x\n", ioack); + tty_kref_put(tty); return; } stl_rxalldone: + tty_kref_put(tty); outb((EOSRR + portp->uartaddr), ioaddr); outb(0, (ioaddr + EREG_DATA)); } @@ -4175,7 +4190,7 @@ static void stl_sc26198flowctrl(struct stlport *portp, int state) if (portp == NULL) return; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (tty == NULL) return; @@ -4226,6 +4241,7 @@ static void stl_sc26198flowctrl(struct stlport *portp, int state) BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); + tty_kref_put(tty); } /*****************************************************************************/ @@ -4244,7 +4260,7 @@ static void stl_sc26198sendflow(struct stlport *portp, int state) if (portp == NULL) return; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); if (tty == NULL) return; @@ -4269,6 +4285,7 @@ static void stl_sc26198sendflow(struct stlport *portp, int state) } BRDDISABLE(portp->brdnr); spin_unlock_irqrestore(&brd_lock, flags); + tty_kref_put(tty); } /*****************************************************************************/ @@ -4408,6 +4425,7 @@ static void stl_sc26198intr(struct stlpanel *panelp, unsigned int iobase) static void stl_sc26198txisr(struct stlport *portp) { + struct tty_struct *tty; unsigned int ioaddr; unsigned char mr0; int len, stlen; @@ -4422,8 +4440,11 @@ static void stl_sc26198txisr(struct stlport *portp) if ((len == 0) || ((len < STL_TXBUFLOW) && (test_bit(ASYI_TXLOW, &portp->istate) == 0))) { set_bit(ASYI_TXLOW, &portp->istate); - if (portp->port.tty) - tty_wakeup(portp->port.tty); + tty = tty_port_tty_get(&portp->port); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } if (len == 0) { @@ -4476,7 +4497,7 @@ static void stl_sc26198rxisr(struct stlport *portp, unsigned int iack) pr_debug("stl_sc26198rxisr(portp=%p,iack=%x)\n", portp, iack); - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); ioaddr = portp->ioaddr; outb(GIBCR, (ioaddr + XP_ADDR)); len = inb(ioaddr + XP_DATA) + 1; @@ -4515,6 +4536,7 @@ static void stl_sc26198rxisr(struct stlport *portp, unsigned int iack) stl_sc26198txunflow(portp, tty); } } + tty_kref_put(tty); } /*****************************************************************************/ @@ -4528,7 +4550,7 @@ static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char struct tty_struct *tty; unsigned int ioaddr; - tty = portp->port.tty; + tty = tty_port_tty_get(&portp->port); ioaddr = portp->ioaddr; if (status & SR_RXPARITY) @@ -4566,6 +4588,7 @@ static void stl_sc26198rxbadch(struct stlport *portp, unsigned char status, char if (status == 0) portp->stats.rxtotal++; } + tty_kref_put(tty); } /*****************************************************************************/ -- GitLab From 216ba023a96c04e8d3aabf83d5931c35b6e2dbbb Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:40:19 +0100 Subject: [PATCH 4367/6244] mxser: Switch to kref tty Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/mxser.c | 192 +++++++++++++++++++++++-------------------- 1 file changed, 103 insertions(+), 89 deletions(-) diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index b638403e8e9c..308cb6014002 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -610,15 +610,16 @@ static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, return 0; } -static int mxser_set_baud(struct mxser_port *info, long newspd) +static int mxser_set_baud(struct tty_struct *tty, long newspd) { + struct mxser_port *info = tty->driver_data; int quot = 0, baud; unsigned char cval; - if (!info->port.tty || !info->port.tty->termios) + if (!tty->termios) return -1; - if (!(info->ioaddr)) + if (!info->ioaddr) return -1; if (newspd > info->max_baud) @@ -626,13 +627,13 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) if (newspd == 134) { quot = 2 * info->baud_base / 269; - tty_encode_baud_rate(info->port.tty, 134, 134); + tty_encode_baud_rate(tty, 134, 134); } else if (newspd) { quot = info->baud_base / newspd; if (quot == 0) quot = 1; baud = info->baud_base/quot; - tty_encode_baud_rate(info->port.tty, baud, baud); + tty_encode_baud_rate(tty, baud, baud); } else { quot = 0; } @@ -658,7 +659,7 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) outb(cval, info->ioaddr + UART_LCR); /* reset DLAB */ #ifdef BOTHER - if (C_BAUD(info->port.tty) == BOTHER) { + if (C_BAUD(tty) == BOTHER) { quot = info->baud_base % newspd; quot *= 8; if (quot % newspd > newspd / 2) { @@ -679,21 +680,22 @@ static int mxser_set_baud(struct mxser_port *info, long newspd) * This routine is called to set the UART divisor registers to match * the specified baud rate for a serial port. */ -static int mxser_change_speed(struct mxser_port *info, - struct ktermios *old_termios) +static int mxser_change_speed(struct tty_struct *tty, + struct ktermios *old_termios) { + struct mxser_port *info = tty->driver_data; unsigned cflag, cval, fcr; int ret = 0; unsigned char status; - if (!info->port.tty || !info->port.tty->termios) + if (!tty->termios) return ret; - cflag = info->port.tty->termios->c_cflag; - if (!(info->ioaddr)) + cflag = tty->termios->c_cflag; + if (!info->ioaddr) return ret; - if (mxser_set_baud_method[info->port.tty->index] == 0) - mxser_set_baud(info, tty_get_baud_rate(info->port.tty)); + if (mxser_set_baud_method[tty->index] == 0) + mxser_set_baud(tty, tty_get_baud_rate(tty)); /* byte size and parity */ switch (cflag & CSIZE) { @@ -762,9 +764,9 @@ static int mxser_change_speed(struct mxser_port *info, info->MCR |= UART_MCR_AFE; } else { status = inb(info->ioaddr + UART_MSR); - if (info->port.tty->hw_stopped) { + if (tty->hw_stopped) { if (status & UART_MSR_CTS) { - info->port.tty->hw_stopped = 0; + tty->hw_stopped = 0; if (info->type != PORT_16550A && !info->board->chip_flag) { outb(info->IER & ~UART_IER_THRI, @@ -774,11 +776,11 @@ static int mxser_change_speed(struct mxser_port *info, outb(info->IER, info->ioaddr + UART_IER); } - tty_wakeup(info->port.tty); + tty_wakeup(tty); } } else { if (!(status & UART_MSR_CTS)) { - info->port.tty->hw_stopped = 1; + tty->hw_stopped = 1; if ((info->type != PORT_16550A) && (!info->board->chip_flag)) { info->IER &= ~UART_IER_THRI; @@ -804,21 +806,21 @@ static int mxser_change_speed(struct mxser_port *info, * Set up parity check flag */ info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR; - if (I_INPCK(info->port.tty)) + if (I_INPCK(tty)) info->read_status_mask |= UART_LSR_FE | UART_LSR_PE; - if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty)) + if (I_BRKINT(tty) || I_PARMRK(tty)) info->read_status_mask |= UART_LSR_BI; info->ignore_status_mask = 0; - if (I_IGNBRK(info->port.tty)) { + if (I_IGNBRK(tty)) { info->ignore_status_mask |= UART_LSR_BI; info->read_status_mask |= UART_LSR_BI; /* * If we're ignore parity and break indicators, ignore * overruns too. (For real raw support). */ - if (I_IGNPAR(info->port.tty)) { + if (I_IGNPAR(tty)) { info->ignore_status_mask |= UART_LSR_OE | UART_LSR_PE | @@ -830,16 +832,16 @@ static int mxser_change_speed(struct mxser_port *info, } } if (info->board->chip_flag) { - mxser_set_must_xon1_value(info->ioaddr, START_CHAR(info->port.tty)); - mxser_set_must_xoff1_value(info->ioaddr, STOP_CHAR(info->port.tty)); - if (I_IXON(info->port.tty)) { + mxser_set_must_xon1_value(info->ioaddr, START_CHAR(tty)); + mxser_set_must_xoff1_value(info->ioaddr, STOP_CHAR(tty)); + if (I_IXON(tty)) { mxser_enable_must_rx_software_flow_control( info->ioaddr); } else { mxser_disable_must_rx_software_flow_control( info->ioaddr); } - if (I_IXOFF(info->port.tty)) { + if (I_IXOFF(tty)) { mxser_enable_must_tx_software_flow_control( info->ioaddr); } else { @@ -855,7 +857,8 @@ static int mxser_change_speed(struct mxser_port *info, return ret; } -static void mxser_check_modem_status(struct mxser_port *port, int status) +static void mxser_check_modem_status(struct tty_struct *tty, + struct mxser_port *port, int status) { /* update input line counters */ if (status & UART_MSR_TERI) @@ -874,10 +877,11 @@ static void mxser_check_modem_status(struct mxser_port *port, int status) wake_up_interruptible(&port->port.open_wait); } + tty = tty_port_tty_get(&port->port); if (port->port.flags & ASYNC_CTS_FLOW) { - if (port->port.tty->hw_stopped) { + if (tty->hw_stopped) { if (status & UART_MSR_CTS) { - port->port.tty->hw_stopped = 0; + tty->hw_stopped = 0; if ((port->type != PORT_16550A) && (!port->board->chip_flag)) { @@ -887,11 +891,11 @@ static void mxser_check_modem_status(struct mxser_port *port, int status) outb(port->IER, port->ioaddr + UART_IER); } - tty_wakeup(port->port.tty); + tty_wakeup(tty); } } else { if (!(status & UART_MSR_CTS)) { - port->port.tty->hw_stopped = 1; + tty->hw_stopped = 1; if (port->type != PORT_16550A && !port->board->chip_flag) { port->IER &= ~UART_IER_THRI; @@ -903,8 +907,9 @@ static void mxser_check_modem_status(struct mxser_port *port, int status) } } -static int mxser_startup(struct mxser_port *info) +static int mxser_startup(struct tty_struct *tty) { + struct mxser_port *info = tty->driver_data; unsigned long page; unsigned long flags; @@ -921,8 +926,7 @@ static int mxser_startup(struct mxser_port *info) } if (!info->ioaddr || !info->type) { - if (info->port.tty) - set_bit(TTY_IO_ERROR, &info->port.tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); free_page(page); spin_unlock_irqrestore(&info->slock, flags); return 0; @@ -952,8 +956,8 @@ static int mxser_startup(struct mxser_port *info) if (inb(info->ioaddr + UART_LSR) == 0xff) { spin_unlock_irqrestore(&info->slock, flags); if (capable(CAP_SYS_ADMIN)) { - if (info->port.tty) - set_bit(TTY_IO_ERROR, &info->port.tty->flags); + if (tty) + set_bit(TTY_IO_ERROR, &tty->flags); return 0; } else return -ENODEV; @@ -991,14 +995,13 @@ static int mxser_startup(struct mxser_port *info) (void) inb(info->ioaddr + UART_IIR); (void) inb(info->ioaddr + UART_MSR); - if (info->port.tty) - clear_bit(TTY_IO_ERROR, &info->port.tty->flags); + clear_bit(TTY_IO_ERROR, &tty->flags); info->xmit_cnt = info->xmit_head = info->xmit_tail = 0; /* * and set the speed of the serial port */ - mxser_change_speed(info, NULL); + mxser_change_speed(tty, NULL); info->port.flags |= ASYNC_INITIALIZED; spin_unlock_irqrestore(&info->slock, flags); @@ -1009,8 +1012,9 @@ static int mxser_startup(struct mxser_port *info) * This routine will shutdown a serial port; interrupts maybe disabled, and * DTR is dropped if the hangup on close termio flag is on. */ -static void mxser_shutdown(struct mxser_port *info) +static void mxser_shutdown(struct tty_struct *tty) { + struct mxser_port *info = tty->driver_data; unsigned long flags; if (!(info->port.flags & ASYNC_INITIALIZED)) @@ -1035,7 +1039,7 @@ static void mxser_shutdown(struct mxser_port *info) info->IER = 0; outb(0x00, info->ioaddr + UART_IER); - if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) + if (tty->termios->c_cflag & HUPCL) info->MCR &= ~(UART_MCR_DTR | UART_MCR_RTS); outb(info->MCR, info->ioaddr + UART_MCR); @@ -1051,8 +1055,7 @@ static void mxser_shutdown(struct mxser_port *info) /* read data port to reset things */ (void) inb(info->ioaddr + UART_RX); - if (info->port.tty) - set_bit(TTY_IO_ERROR, &info->port.tty->flags); + set_bit(TTY_IO_ERROR, &tty->flags); info->port.flags &= ~ASYNC_INITIALIZED; @@ -1084,14 +1087,14 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) return -ENODEV; tty->driver_data = info; - info->port.tty = tty; + tty_port_tty_set(&info->port, tty); /* * Start up serial port */ spin_lock_irqsave(&info->slock, flags); info->port.count++; spin_unlock_irqrestore(&info->slock, flags); - retval = mxser_startup(info); + retval = mxser_startup(tty); if (retval) return retval; @@ -1209,13 +1212,13 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) break; } } - mxser_shutdown(info); + mxser_shutdown(tty); mxser_flush_buffer(tty); tty_ldisc_flush(tty); tty->closing = 0; - info->port.tty = NULL; + tty_port_tty_set(&info->port, NULL); if (info->port.blocked_open) { if (info->port.close_delay) schedule_timeout_interruptible(info->port.close_delay); @@ -1337,12 +1340,13 @@ static int mxser_chars_in_buffer(struct tty_struct *tty) * friends of mxser_ioctl() * ------------------------------------------------------------ */ -static int mxser_get_serial_info(struct mxser_port *info, +static int mxser_get_serial_info(struct tty_struct *tty, struct serial_struct __user *retinfo) { + struct mxser_port *info = tty->driver_data; struct serial_struct tmp = { .type = info->type, - .line = info->port.tty->index, + .line = tty->index, .port = info->ioaddr, .irq = info->board->irq, .flags = info->port.flags, @@ -1357,9 +1361,10 @@ static int mxser_get_serial_info(struct mxser_port *info, return 0; } -static int mxser_set_serial_info(struct mxser_port *info, +static int mxser_set_serial_info(struct tty_struct *tty, struct serial_struct __user *new_info) { + struct mxser_port *info = tty->driver_data; struct serial_struct new_serial; speed_t baud; unsigned long sl_flags; @@ -1393,14 +1398,14 @@ static int mxser_set_serial_info(struct mxser_port *info, (new_serial.flags & ASYNC_FLAGS)); info->port.close_delay = new_serial.close_delay * HZ / 100; info->port.closing_wait = new_serial.closing_wait * HZ / 100; - info->port.tty->low_latency = - (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; + tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) + ? 1 : 0; if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST && (new_serial.baud_base != info->baud_base || new_serial.custom_divisor != info->custom_divisor)) { baud = new_serial.baud_base / new_serial.custom_divisor; - tty_encode_baud_rate(info->port.tty, baud, baud); + tty_encode_baud_rate(tty, baud, baud); } } @@ -1411,11 +1416,11 @@ static int mxser_set_serial_info(struct mxser_port *info, if (info->port.flags & ASYNC_INITIALIZED) { if (flags != (info->port.flags & ASYNC_SPD_MASK)) { spin_lock_irqsave(&info->slock, sl_flags); - mxser_change_speed(info, NULL); + mxser_change_speed(tty, NULL); spin_unlock_irqrestore(&info->slock, sl_flags); } } else - retval = mxser_startup(info); + retval = mxser_startup(tty); return retval; } @@ -1461,7 +1466,7 @@ static int mxser_tiocmget(struct tty_struct *tty, struct file *file) spin_lock_irqsave(&info->slock, flags); status = inb(info->ioaddr + UART_MSR); if (status & UART_MSR_ANY_DELTA) - mxser_check_modem_status(info, status); + mxser_check_modem_status(tty, info, status); spin_unlock_irqrestore(&info->slock, flags); return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) | ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) | @@ -1606,6 +1611,7 @@ static int __init mxser_read_register(int port, unsigned short *regs) static int mxser_ioctl_special(unsigned int cmd, void __user *argp) { struct mxser_port *port; + struct tty_struct *tty; int result, status; unsigned int i, j; int ret = 0; @@ -1643,12 +1649,14 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) if (!port->ioaddr) goto copy; + + tty = tty_port_tty_get(&port->port); - if (!port->port.tty || !port->port.tty->termios) + if (!tty || !tty->termios) ms.cflag = port->normal_termios.c_cflag; else - ms.cflag = port->port.tty->termios->c_cflag; - + ms.cflag = tty->termios->c_cflag; + tty_kref_put(tty); status = inb(port->ioaddr + UART_MSR); if (status & UART_MSR_DCD) ms.dcd = 1; @@ -1704,15 +1712,18 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp) me->up_txcnt[p] = port->mon_data.up_txcnt; me->modem_status[p] = port->mon_data.modem_status; - me->baudrate[p] = tty_get_baud_rate(port->port.tty); + tty = tty_port_tty_get(&port->port); - if (!port->port.tty || !port->port.tty->termios) { + if (!tty || !tty->termios) { cflag = port->normal_termios.c_cflag; iflag = port->normal_termios.c_iflag; + me->baudrate[p] = tty_termios_baud_rate(&port->normal_termios); } else { - cflag = port->port.tty->termios->c_cflag; - iflag = port->port.tty->termios->c_iflag; + cflag = tty->termios->c_cflag; + iflag = tty->termios->c_iflag; + me->baudrate[p] = tty_get_baud_rate(tty); } + tty_kref_put(tty); me->databits[p] = cflag & CSIZE; me->stopbits[p] = cflag & CSTOPB; @@ -1822,12 +1833,12 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, switch (cmd) { case TIOCGSERIAL: lock_kernel(); - retval = mxser_get_serial_info(info, argp); + retval = mxser_get_serial_info(tty, argp); unlock_kernel(); return retval; case TIOCSSERIAL: lock_kernel(); - retval = mxser_set_serial_info(info, argp); + retval = mxser_set_serial_info(tty, argp); unlock_kernel(); return retval; case TIOCSERGETLSR: /* Get line status register */ @@ -1896,7 +1907,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, lock_kernel(); status = mxser_get_msr(info->ioaddr, 1, tty->index); - mxser_check_modem_status(info, status); + mxser_check_modem_status(tty, info, status); mcr = inb(info->ioaddr + UART_MCR); if (mcr & MOXA_MUST_MCR_XON_FLAG) @@ -1909,7 +1920,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file, else info->mon_data.hold_reason |= NPPI_NOTIFY_XOFFXENT; - if (info->port.tty->hw_stopped) + if (tty->hw_stopped) info->mon_data.hold_reason |= NPPI_NOTIFY_CTSHOLD; else info->mon_data.hold_reason &= ~NPPI_NOTIFY_CTSHOLD; @@ -1958,7 +1969,7 @@ static void mxser_stoprx(struct tty_struct *tty) } } - if (info->port.tty->termios->c_cflag & CRTSCTS) { + if (tty->termios->c_cflag & CRTSCTS) { info->MCR &= ~UART_MCR_RTS; outb(info->MCR, info->ioaddr + UART_MCR); } @@ -1995,7 +2006,7 @@ static void mxser_unthrottle(struct tty_struct *tty) } } - if (info->port.tty->termios->c_cflag & CRTSCTS) { + if (tty->termios->c_cflag & CRTSCTS) { info->MCR |= UART_MCR_RTS; outb(info->MCR, info->ioaddr + UART_MCR); } @@ -2040,7 +2051,7 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi unsigned long flags; spin_lock_irqsave(&info->slock, flags); - mxser_change_speed(info, old_termios); + mxser_change_speed(tty, old_termios); spin_unlock_irqrestore(&info->slock, flags); if ((old_termios->c_cflag & CRTSCTS) && @@ -2138,10 +2149,10 @@ static void mxser_hangup(struct tty_struct *tty) struct mxser_port *info = tty->driver_data; mxser_flush_buffer(tty); - mxser_shutdown(info); + mxser_shutdown(tty); info->port.count = 0; info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; + tty_port_tty_set(&info->port, NULL); wake_up_interruptible(&info->port.open_wait); } @@ -2164,9 +2175,9 @@ static int mxser_rs_break(struct tty_struct *tty, int break_state) return 0; } -static void mxser_receive_chars(struct mxser_port *port, int *status) +static void mxser_receive_chars(struct tty_struct *tty, + struct mxser_port *port, int *status) { - struct tty_struct *tty = port->port.tty; unsigned char ch, gdl; int ignored = 0; int cnt = 0; @@ -2174,9 +2185,8 @@ static void mxser_receive_chars(struct mxser_port *port, int *status) int max = 256; recv_room = tty->receive_room; - if ((recv_room == 0) && (!port->ldisc_stop_rx)) + if (recv_room == 0 && !port->ldisc_stop_rx) mxser_stoprx(tty); - if (port->board->chip_flag != MOXA_OTHER_UART) { if (*status & UART_LSR_SPECIAL) @@ -2253,7 +2263,7 @@ intr_old: } while (*status & UART_LSR_DR); end_intr: - mxvar_log.rxcnt[port->port.tty->index] += cnt; + mxvar_log.rxcnt[tty->index] += cnt; port->mon_data.rxcnt += cnt; port->mon_data.up_rxcnt += cnt; @@ -2267,14 +2277,14 @@ end_intr: spin_lock(&port->slock); } -static void mxser_transmit_chars(struct mxser_port *port) +static void mxser_transmit_chars(struct tty_struct *tty, struct mxser_port *port) { int count, cnt; if (port->x_char) { outb(port->x_char, port->ioaddr + UART_TX); port->x_char = 0; - mxvar_log.txcnt[port->port.tty->index]++; + mxvar_log.txcnt[tty->index]++; port->mon_data.txcnt++; port->mon_data.up_txcnt++; port->icount.tx++; @@ -2284,8 +2294,8 @@ static void mxser_transmit_chars(struct mxser_port *port) if (port->port.xmit_buf == NULL) return; - if ((port->xmit_cnt <= 0) || port->port.tty->stopped || - (port->port.tty->hw_stopped && + if (port->xmit_cnt <= 0 || tty->stopped || + (tty->hw_stopped && (port->type != PORT_16550A) && (!port->board->chip_flag))) { port->IER &= ~UART_IER_THRI; @@ -2302,14 +2312,14 @@ static void mxser_transmit_chars(struct mxser_port *port) if (--port->xmit_cnt <= 0) break; } while (--count > 0); - mxvar_log.txcnt[port->port.tty->index] += (cnt - port->xmit_cnt); + mxvar_log.txcnt[tty->index] += (cnt - port->xmit_cnt); port->mon_data.txcnt += (cnt - port->xmit_cnt); port->mon_data.up_txcnt += (cnt - port->xmit_cnt); port->icount.tx += (cnt - port->xmit_cnt); - if (port->xmit_cnt < WAKEUP_CHARS) - tty_wakeup(port->port.tty); + if (port->xmit_cnt < WAKEUP_CHARS && tty) + tty_wakeup(tty); if (port->xmit_cnt <= 0) { port->IER &= ~UART_IER_THRI; @@ -2328,6 +2338,7 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id) int max, irqbits, bits, msr; unsigned int int_cnt, pass_counter = 0; int handled = IRQ_NONE; + struct tty_struct *tty; for (i = 0; i < MXSER_BOARDS; i++) if (dev_id == &mxser_boards[i]) { @@ -2360,13 +2371,15 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id) if (iir & UART_IIR_NO_INT) break; iir &= MOXA_MUST_IIR_MASK; - if (!port->port.tty || + tty = tty_port_tty_get(&port->port); + if (!tty || (port->port.flags & ASYNC_CLOSING) || !(port->port.flags & ASYNC_INITIALIZED)) { status = inb(port->ioaddr + UART_LSR); outb(0x27, port->ioaddr + UART_FCR); inb(port->ioaddr + UART_MSR); + tty_kref_put(tty); break; } @@ -2387,27 +2400,28 @@ static irqreturn_t mxser_interrupt(int irq, void *dev_id) iir == MOXA_MUST_IIR_RDA || iir == MOXA_MUST_IIR_RTO || iir == MOXA_MUST_IIR_LSR) - mxser_receive_chars(port, + mxser_receive_chars(tty, port, &status); } else { status &= port->read_status_mask; if (status & UART_LSR_DR) - mxser_receive_chars(port, + mxser_receive_chars(tty, port, &status); } msr = inb(port->ioaddr + UART_MSR); if (msr & UART_MSR_ANY_DELTA) - mxser_check_modem_status(port, msr); + mxser_check_modem_status(tty, port, msr); if (port->board->chip_flag) { if (iir == 0x02 && (status & UART_LSR_THRE)) - mxser_transmit_chars(port); + mxser_transmit_chars(tty, port); } else { if (status & UART_LSR_THRE) - mxser_transmit_chars(port); + mxser_transmit_chars(tty, port); } + tty_kref_put(tty); } while (int_cnt++ < MXSER_ISR_PASS_LIMIT); spin_unlock(&port->slock); } -- GitLab From 2cb5998b5f0ccc886fdda3509059eef297b49577 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:40:30 +0100 Subject: [PATCH 4368/6244] tty: the vhangup syscall is racy We now have the infrastructure to sort this out but rather than teaching the syscall tty lock rules we move the hard work into a tty helper Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 19 +++++++++++++++++++ fs/open.c | 3 +-- include/linux/tty.h | 1 + 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 913b50258f90..b5f57d0b30ee 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -729,6 +729,25 @@ void tty_vhangup(struct tty_struct *tty) EXPORT_SYMBOL(tty_vhangup); +/** + * tty_vhangup_self - process vhangup for own ctty + * + * Perform a vhangup on the current controlling tty + */ + +void tty_vhangup_self(void) +{ + struct tty_struct *tty; + + mutex_lock(&tty_mutex); + tty = get_current_tty(); + if (tty) { + tty_vhangup(tty); + tty_kref_put(tty); + } + mutex_unlock(&tty_mutex); +} + /** * tty_hung_up_p - was tty hung up * @filp: file pointer of tty diff --git a/fs/open.c b/fs/open.c index 07da9359481c..5596049863bf 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1141,8 +1141,7 @@ EXPORT_SYMBOL(sys_close); asmlinkage long sys_vhangup(void) { if (capable(CAP_SYS_TTY_CONFIG)) { - /* XXX: this needs locking */ - tty_vhangup(current->signal->tty); + tty_vhangup_self(); return 0; } return -EPERM; diff --git a/include/linux/tty.h b/include/linux/tty.h index c30ed8d3bcbd..e00393a3d1c9 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -361,6 +361,7 @@ extern int is_ignored(int sig); extern int tty_signal(int sig, struct tty_struct *tty); extern void tty_hangup(struct tty_struct *tty); extern void tty_vhangup(struct tty_struct *tty); +extern void tty_vhangup_self(void); extern void tty_unhangup(struct file *filp); extern int tty_hung_up_p(struct file *filp); extern void do_SAK(struct tty_struct *tty); -- GitLab From 934e6ebf96e8c1a0f299e64129fdaebc1132a427 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:40:43 +0100 Subject: [PATCH 4369/6244] tty: Redo current tty locking Currently it is sometimes locked by the tty mutex and sometimes by the sighand lock. The latter is in fact correct and now we can hand back referenced objects we can fix this up without problems around sleeping functions. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 18 ++++-------------- drivers/s390/char/fs3270.c | 1 + fs/dquot.c | 2 -- security/selinux/hooks.c | 2 -- 4 files changed, 5 insertions(+), 18 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index b5f57d0b30ee..f40298e9873a 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -739,13 +739,11 @@ void tty_vhangup_self(void) { struct tty_struct *tty; - mutex_lock(&tty_mutex); tty = get_current_tty(); if (tty) { tty_vhangup(tty); tty_kref_put(tty); } - mutex_unlock(&tty_mutex); } /** @@ -801,11 +799,9 @@ void disassociate_ctty(int on_exit) struct pid *tty_pgrp = NULL; - mutex_lock(&tty_mutex); tty = get_current_tty(); if (tty) { tty_pgrp = get_pid(tty->pgrp); - mutex_unlock(&tty_mutex); lock_kernel(); if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) tty_vhangup(tty); @@ -822,7 +818,6 @@ void disassociate_ctty(int on_exit) kill_pgrp(old_pgrp, SIGCONT, on_exit); put_pid(old_pgrp); } - mutex_unlock(&tty_mutex); return; } if (tty_pgrp) { @@ -837,7 +832,6 @@ void disassociate_ctty(int on_exit) current->signal->tty_old_pgrp = NULL; spin_unlock_irq(¤t->sighand->siglock); - mutex_lock(&tty_mutex); tty = get_current_tty(); if (tty) { unsigned long flags; @@ -854,7 +848,6 @@ void disassociate_ctty(int on_exit) " = NULL", tty); #endif } - mutex_unlock(&tty_mutex); /* Now clear signal->tty under the lock */ read_lock(&tasklist_lock); @@ -3180,14 +3173,11 @@ static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty) struct tty_struct *get_current_tty(void) { struct tty_struct *tty; - WARN_ON_ONCE(!mutex_is_locked(&tty_mutex)); + unsigned long flags; + + spin_lock_irqsave(¤t->sighand->siglock, flags); tty = tty_kref_get(current->signal->tty); - /* - * session->tty can be changed/cleared from under us, make sure we - * issue the load. The obtained pointer, when not NULL, is valid as - * long as we hold tty_mutex. - */ - barrier(); + spin_unlock_irqrestore(¤t->sighand->siglock, flags); return tty; } EXPORT_SYMBOL_GPL(get_current_tty); diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 3ef5425d0eb8..84fbc90480dc 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -431,6 +431,7 @@ fs3270_open(struct inode *inode, struct file *filp) tty = get_current_tty(); if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) { tty_kref_put(tty); + mutex_unlock(&tty_mutex); rc = -ENODEV; goto out; } diff --git a/fs/dquot.c b/fs/dquot.c index 7417a6ca3129..ad7e59003e04 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -895,9 +895,7 @@ static void print_warning(struct dquot *dquot, const int warntype) warntype == QUOTA_NL_BSOFTBELOW || !need_print_warning(dquot)) return; - mutex_lock(&tty_mutex); tty = get_current_tty(); - mutex_unlock(&tty_mutex); if (!tty) return; tty_write_message(tty, dquot->dq_sb->s_id); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 089d61a23952..48881394fbd4 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2121,9 +2121,7 @@ static inline void flush_unauthorized_files(struct files_struct *files) long j = -1; int drop_tty = 0; - mutex_lock(&tty_mutex); tty = get_current_tty(); - mutex_unlock(&tty_mutex); if (tty) { file_list_lock(); file = list_entry(tty->tty_files.next, typeof(*file), f_u.fu_list); -- GitLab From dbda4c0b97b18fd59b3964548361b4f92357f730 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:40:53 +0100 Subject: [PATCH 4370/6244] tty: Fix abusers of current->sighand->tty Various people outside the tty layer still stick their noses in behind the scenes. We need to make sure they also obey the locking and referencing rules. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- kernel/acct.c | 2 +- kernel/auditsc.c | 9 ++++----- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/kernel/acct.c b/kernel/acct.c index dd68b9059418..f6006a60df5d 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -548,7 +548,7 @@ static void do_acct_process(struct bsd_acct_struct *acct, #endif spin_lock_irq(¤t->sighand->siglock); - tty = current->signal->tty; + tty = current->signal->tty; /* Safe as we hold the siglock */ ac.ac_tty = tty ? old_encode_dev(tty_devnum(tty)) : 0; ac.ac_utime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_utime))); ac.ac_stime = encode_comp_t(jiffies_to_AHZ(cputime_to_jiffies(pacct->ac_stime))); diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 59cedfb040e7..cf5bc2f5f9c3 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -246,8 +246,8 @@ static int audit_match_perm(struct audit_context *ctx, int mask) unsigned n; if (unlikely(!ctx)) return 0; - n = ctx->major; + switch (audit_classify_syscall(ctx->arch, n)) { case 0: /* native */ if ((mask & AUDIT_PERM_WRITE) && @@ -1204,13 +1204,13 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts (context->return_valid==AUDITSC_SUCCESS)?"yes":"no", context->return_code); - mutex_lock(&tty_mutex); - read_lock(&tasklist_lock); + spin_lock_irq(&tsk->sighand->siglock); if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name) tty = tsk->signal->tty->name; else tty = "(none)"; - read_unlock(&tasklist_lock); + spin_unlock_irq(&tsk->sighand->siglock); + audit_log_format(ab, " a0=%lx a1=%lx a2=%lx a3=%lx items=%d" " ppid=%d pid=%d auid=%u uid=%u gid=%u" @@ -1230,7 +1230,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts context->egid, context->sgid, context->fsgid, tty, tsk->sessionid); - mutex_unlock(&tty_mutex); audit_log_task_info(ab, tsk); if (context->filterkey) { -- GitLab From 15582d36a15978355d2168eaa018a3736db7281f Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:41:03 +0100 Subject: [PATCH 4371/6244] pty: If the administrator creates a device for a ptmx slave we should not error The open path for ptmx slaves is via the ptmx device. Opening them any other way is not allowed. Vegard Nossum found that previously this was not the case and mknod foo c 128 42; cat foo would produce nasty diagnostics Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index f40298e9873a..2e96ce0fddc5 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1227,7 +1227,8 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) * init_dev - initialise a tty device * @driver: tty driver we are opening a device on * @idx: device index - * @tty: returned tty structure + * @ret_tty: returned tty structure + * @first_ok: ok to open a new device (used by ptmx) * * Prepare a tty device. This may not be a "new" clean device but * could also be an active device. The pty drivers require special @@ -1248,7 +1249,7 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) */ static int init_dev(struct tty_driver *driver, int idx, - struct tty_struct **ret_tty) + struct tty_struct **ret_tty, int first_ok) { struct tty_struct *tty, *o_tty; struct ktermios *tp, **tp_loc, *o_tp, **o_tp_loc; @@ -1279,6 +1280,11 @@ static int init_dev(struct tty_driver *driver, int idx, } if (tty) goto fast_track; + if (driver->subtype == PTY_TYPE_MASTER && + (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) { + retval = -EIO; + goto end_init; + } /* * First time open is complex, especially for PTY devices. * This code guarantees that either everything succeeds and the @@ -1413,7 +1419,7 @@ static int init_dev(struct tty_driver *driver, int idx, if (retval) goto release_mem_out; - goto success; + goto success; /* * This fast open can be used if the tty is already open. @@ -1795,7 +1801,7 @@ static void release_dev(struct file *filp) } /** - * tty_open - open a tty device + * __tty_open - open a tty device * @inode: inode of device file * @filp: file pointer to tty * @@ -1874,7 +1880,7 @@ retry_open: return -ENODEV; } got_driver: - retval = init_dev(driver, index, &tty); + retval = init_dev(driver, index, &tty, 0); mutex_unlock(&tty_mutex); if (retval) return retval; @@ -1971,7 +1977,7 @@ static int __ptmx_open(struct inode *inode, struct file *filp) return index; mutex_lock(&tty_mutex); - retval = init_dev(ptm_driver, index, &tty); + retval = init_dev(ptm_driver, index, &tty, 1); mutex_unlock(&tty_mutex); if (retval) -- GitLab From bf7a06bcce205705ea5c7675cbb8ea9239ea30a0 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:41:16 +0100 Subject: [PATCH 4372/6244] vt: remove bogus lock dropping For hysterical raisins the vt layer drops and retakes locks in the write method. This is a left over from the days when user/kernel data was passed directly to the tty not pre-buffered. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/vt.c | 18 ------------------ 1 file changed, 18 deletions(-) diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 05ca1c5dcb1c..ec94521c3118 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2136,27 +2136,9 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co release_console_sem(); return 0; } - release_console_sem(); - orig_buf = buf; orig_count = count; - /* At this point 'buf' is guaranteed to be a kernel buffer - * and therefore no access to userspace (and therefore sleeping) - * will be needed. The con_buf_mtx serializes all tty based - * console rendering and vcs write/read operations. We hold - * the console spinlock during the entire write. - */ - - acquire_console_sem(); - - vc = tty->driver_data; - if (vc == NULL) { - printk(KERN_ERR "vt: argh, driver_data _became_ NULL !\n"); - release_console_sem(); - goto out; - } - himask = vc->vc_hi_font_mask; charmask = himask ? 0x1ff : 0xff; -- GitLab From feebed6515a113eeb33919e9557a8b9710ea627c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:41:30 +0100 Subject: [PATCH 4373/6244] tty: shutdown method Right now there are various drivers that try to use tty->count to know when they get the final close. Aristeau Rozanski showed while debugging the vt sysfs race that this isn't entirely safe. Instead of driver side tricks to work around this introduce a shutdown which is called when the tty is being destructed. This also means that the shutdown method is tied into the refcounting. Use this to rework the console close/sysfs logic. Remove lots of special case code from the tty core code. The pty code can now have a shutdown() method that replaces the special case hackery in the tree free up paths. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 15 ++++++++---- drivers/char/tty_io.c | 49 ++++++++++++++++++++++---------------- drivers/char/vt.c | 34 +++++++++++++------------- include/linux/tty.h | 3 ++- include/linux/tty_driver.h | 6 +++++ 5 files changed, 65 insertions(+), 42 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 76b27932d229..ec09c1cd4fe9 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -388,7 +388,14 @@ static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file, return -ENOIOCTLCMD; } -static const struct tty_operations pty_unix98_ops = { +static void pty_shutdown(struct tty_struct *tty) +{ + /* We have our own method as we don't use the tty index */ + kfree(tty->termios); + kfree(tty->termios_locked); +} + +static const struct tty_operations ptm_unix98_ops = { .open = pty_open, .close = pty_close, .write = pty_write, @@ -397,10 +404,10 @@ static const struct tty_operations pty_unix98_ops = { .chars_in_buffer = pty_chars_in_buffer, .unthrottle = pty_unthrottle, .set_termios = pty_set_termios, - .ioctl = pty_unix98_ioctl + .ioctl = pty_unix98_ioctl, + .shutdown = pty_shutdown }; - static void __init unix98_pty_init(void) { ptm_driver = alloc_tty_driver(NR_UNIX98_PTY_MAX); @@ -427,7 +434,7 @@ static void __init unix98_pty_init(void) ptm_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM; ptm_driver->other = pts_driver; - tty_set_operations(ptm_driver, &pty_unix98_ops); + tty_set_operations(ptm_driver, &ptm_unix98_ops); pts_driver->owner = THIS_MODULE; pts_driver->driver_name = "pty_slave"; diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 2e96ce0fddc5..f91704d57a4e 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1482,6 +1482,31 @@ release_mem_out: goto end_init; } +void tty_free_termios(struct tty_struct *tty) +{ + struct ktermios *tp; + int idx = tty->index; + /* Kill this flag and push into drivers for locking etc */ + if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) { + /* FIXME: Locking on ->termios array */ + tp = tty->termios; + tty->driver->termios[idx] = NULL; + kfree(tp); + + tp = tty->termios_locked; + tty->driver->termios_locked[idx] = NULL; + kfree(tp); + } +} +EXPORT_SYMBOL(tty_free_termios); + +void tty_shutdown(struct tty_struct *tty) +{ + tty->driver->ttys[tty->index] = NULL; + tty_free_termios(tty); +} +EXPORT_SYMBOL(tty_shutdown); + /** * release_one_tty - release tty structure memory * @kref: kref of tty we are obliterating @@ -1499,27 +1524,11 @@ static void release_one_tty(struct kref *kref) { struct tty_struct *tty = container_of(kref, struct tty_struct, kref); struct tty_driver *driver = tty->driver; - int devpts = tty->driver->flags & TTY_DRIVER_DEVPTS_MEM; - struct ktermios *tp; - int idx = tty->index; - - if (!devpts) - tty->driver->ttys[idx] = NULL; - - if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) { - /* FIXME: Locking on ->termios array */ - tp = tty->termios; - if (!devpts) - tty->driver->termios[idx] = NULL; - kfree(tp); - - tp = tty->termios_locked; - if (!devpts) - tty->driver->termios_locked[idx] = NULL; - kfree(tp); - } - + if (tty->ops->shutdown) + tty->ops->shutdown(tty); + else + tty_shutdown(tty); tty->magic = 0; /* FIXME: locking on tty->driver->refcount */ tty->driver->refcount--; diff --git a/drivers/char/vt.c b/drivers/char/vt.c index ec94521c3118..37a45db5bae0 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2758,6 +2758,12 @@ static int con_open(struct tty_struct *tty, struct file *filp) ret = vc_allocate(currcons); if (ret == 0) { struct vc_data *vc = vc_cons[currcons].d; + + /* Still being freed */ + if (vc->vc_tty) { + release_console_sem(); + return -ERESTARTSYS; + } tty->driver_data = vc; vc->vc_tty = tty; @@ -2787,25 +2793,18 @@ static int con_open(struct tty_struct *tty, struct file *filp) */ static void con_close(struct tty_struct *tty, struct file *filp) { - mutex_lock(&tty_mutex); - acquire_console_sem(); - if (tty && tty->count == 1) { - struct vc_data *vc = tty->driver_data; + /* Nothing to do - we defer to shutdown */ +} - if (vc) - vc->vc_tty = NULL; - tty->driver_data = NULL; - vcs_remove_sysfs(tty); - release_console_sem(); - mutex_unlock(&tty_mutex); - /* - * tty_mutex is released, but we still hold BKL, so there is - * still exclusion against init_dev() - */ - return; - } +static void con_shutdown(struct tty_struct *tty) +{ + struct vc_data *vc = tty->driver_data; + BUG_ON(vc == NULL); + acquire_console_sem(); + vc->vc_tty = NULL; + vcs_remove_sysfs(tty); release_console_sem(); - mutex_unlock(&tty_mutex); + tty_shutdown(tty); } static int default_italic_color = 2; // green (ASCII) @@ -2930,6 +2929,7 @@ static const struct tty_operations con_ops = { .throttle = con_throttle, .unthrottle = con_unthrottle, .resize = vt_resize, + .shutdown = con_shutdown }; int __init vty_init(void) diff --git a/include/linux/tty.h b/include/linux/tty.h index e00393a3d1c9..6e39c705b9b6 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -354,7 +354,8 @@ extern void tty_throttle(struct tty_struct *tty); extern void tty_unthrottle(struct tty_struct *tty); extern int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty, struct winsize *ws); - +extern void tty_shutdown(struct tty_struct *tty); +extern void tty_free_termios(struct tty_struct *tty); extern int is_current_pgrp_orphaned(void); extern struct pid *tty_get_pgrp(struct tty_struct *tty); extern int is_ignored(int sig); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index ac6e58e26b73..2322313a8589 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -21,6 +21,11 @@ * * Required method. * + * void (*shutdown)(struct tty_struct * tty); + * + * This routine is called when a particular tty device is closed for + * the last time freeing up the resources. + * * int (*write)(struct tty_struct * tty, * const unsigned char *buf, int count); * @@ -200,6 +205,7 @@ struct tty_driver; struct tty_operations { int (*open)(struct tty_struct * tty, struct file * filp); void (*close)(struct tty_struct * tty, struct file * filp); + void (*shutdown)(struct tty_struct *tty); int (*write)(struct tty_struct * tty, const unsigned char *buf, int count); int (*put_char)(struct tty_struct *tty, unsigned char ch); -- GitLab From d81ed10307027e1643a65ab5fe17cc01233d376d Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:41:42 +0100 Subject: [PATCH 4374/6244] tty: Remove more special casing and out of place code Carry on pushing code out of tty_io when it belongs to other drivers. I'm not 100% happy with some of this and it will be worth revisiting some of the exports later when the restructuring work is done. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 78 ++++++++++++++++++ drivers/char/tty_io.c | 169 +++++++++------------------------------ drivers/char/tty_ioctl.c | 66 +++++++++++++-- drivers/char/vt.c | 30 ++++--- include/linux/tty.h | 6 ++ include/linux/vt_kern.h | 2 +- 6 files changed, 195 insertions(+), 156 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index ec09c1cd4fe9..328e8ac12306 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -332,6 +333,8 @@ int pty_limit = NR_UNIX98_PTY_DEFAULT; static int pty_limit_min = 0; static int pty_limit_max = NR_UNIX98_PTY_MAX; +static struct cdev ptmx_cdev; + static struct ctl_table pty_table[] = { { .ctl_name = PTY_MAX, @@ -408,6 +411,70 @@ static const struct tty_operations ptm_unix98_ops = { .shutdown = pty_shutdown }; + +/** + * ptmx_open - open a unix 98 pty master + * @inode: inode of device file + * @filp: file pointer to tty + * + * Allocate a unix98 pty master device from the ptmx driver. + * + * Locking: tty_mutex protects the init_dev work. tty->count should + * protect the rest. + * allocated_ptys_lock handles the list of free pty numbers + */ + +static int __ptmx_open(struct inode *inode, struct file *filp) +{ + struct tty_struct *tty; + int retval; + int index; + + nonseekable_open(inode, filp); + + /* find a device that is not in use. */ + index = devpts_new_index(); + if (index < 0) + return index; + + mutex_lock(&tty_mutex); + retval = tty_init_dev(ptm_driver, index, &tty, 1); + mutex_unlock(&tty_mutex); + + if (retval) + goto out; + + set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ + filp->private_data = tty; + file_move(filp, &tty->tty_files); + + retval = devpts_pty_new(tty->link); + if (retval) + goto out1; + + retval = ptm_driver->ops->open(tty, filp); + if (!retval) + return 0; +out1: + tty_release_dev(filp); + return retval; +out: + devpts_kill_index(index); + return retval; +} + +static int ptmx_open(struct inode *inode, struct file *filp) +{ + int ret; + + lock_kernel(); + ret = __ptmx_open(inode, filp); + unlock_kernel(); + return ret; +} + +static struct file_operations ptmx_fops; + static void __init unix98_pty_init(void) { ptm_driver = alloc_tty_driver(NR_UNIX98_PTY_MAX); @@ -459,7 +526,18 @@ static void __init unix98_pty_init(void) pty_table[1].data = &ptm_driver->refcount; register_sysctl_table(pty_root_table); + + /* Now create the /dev/ptmx special device */ + tty_default_fops(&ptmx_fops); + ptmx_fops.open = ptmx_open; + + cdev_init(&ptmx_cdev, &ptmx_fops); + if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || + register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) + panic("Couldn't register /dev/ptmx driver\n"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); } + #else static inline void unix98_pty_init(void) { } #endif diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index f91704d57a4e..fdcc43c8ef3c 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -49,7 +49,7 @@ * implement CONFIG_VT and generalize console device interface. * -- Marko Kohtala , March 97 * - * Rewrote init_dev and release_dev to eliminate races. + * Rewrote tty_init_dev and tty_release_dev to eliminate races. * -- Bill Hawes , June 97 * * Added devfs support. @@ -136,11 +136,6 @@ LIST_HEAD(tty_drivers); /* linked list of tty drivers */ DEFINE_MUTEX(tty_mutex); EXPORT_SYMBOL(tty_mutex); -#ifdef CONFIG_UNIX98_PTYS -extern struct tty_driver *ptm_driver; /* Unix98 pty masters; for /dev/ptmx */ -static int ptmx_open(struct inode *, struct file *); -#endif - static void initialize_tty_struct(struct tty_struct *tty); static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); @@ -425,20 +420,6 @@ static const struct file_operations tty_fops = { .fasync = tty_fasync, }; -#ifdef CONFIG_UNIX98_PTYS -static const struct file_operations ptmx_fops = { - .llseek = no_llseek, - .read = tty_read, - .write = tty_write, - .poll = tty_poll, - .unlocked_ioctl = tty_ioctl, - .compat_ioctl = tty_compat_ioctl, - .open = ptmx_open, - .release = tty_release, - .fasync = tty_fasync, -}; -#endif - static const struct file_operations console_fops = { .llseek = no_llseek, .read = tty_read, @@ -1224,7 +1205,7 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) } /** - * init_dev - initialise a tty device + * tty_init_dev - initialise a tty device * @driver: tty driver we are opening a device on * @idx: device index * @ret_tty: returned tty structure @@ -1248,7 +1229,7 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) * relaxed for the (most common) case of reopening a tty. */ -static int init_dev(struct tty_driver *driver, int idx, +int tty_init_dev(struct tty_driver *driver, int idx, struct tty_struct **ret_tty, int first_ok) { struct tty_struct *tty, *o_tty; @@ -1269,8 +1250,8 @@ static int init_dev(struct tty_driver *driver, int idx, goto end_init; } /* - * It's safe from now on because init_dev() is called with - * tty_mutex held and release_dev() won't change tty->count + * It's safe from now on because tty_init_dev() is called with + * tty_mutex held and tty_release_dev() won't change tty->count * or tty->flags without having to grab tty_mutex */ if (tty && driver->subtype == PTY_TYPE_MASTER) @@ -1449,7 +1430,7 @@ fast_track: /* FIXME */ if (!test_bit(TTY_LDISC, &tty->flags)) - printk(KERN_ERR "init_dev but no ldisc\n"); + printk(KERN_ERR "tty_init_dev but no ldisc\n"); success: *ret_tty = tty; @@ -1476,7 +1457,7 @@ fail_no_mem: /* call the tty release_tty routine to clean out this slot */ release_mem_out: if (printk_ratelimit()) - printk(KERN_INFO "init_dev: ldisc open failed, " + printk(KERN_INFO "tty_init_dev: ldisc open failed, " "clearing slot %d\n", idx); release_tty(tty, idx); goto end_init; @@ -1587,7 +1568,7 @@ static void release_tty(struct tty_struct *tty, int idx) * WSH 09/09/97: rewritten to avoid some nasty race conditions that could * lead to double frees or releasing memory still in use. */ -static void release_dev(struct file *filp) +void tty_release_dev(struct file *filp) { struct tty_struct *tty, *o_tty; int pty_master, tty_closing, o_tty_closing, do_sleep; @@ -1597,10 +1578,10 @@ static void release_dev(struct file *filp) tty = (struct tty_struct *)filp->private_data; if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, - "release_dev")) + "tty_release_dev")) return; - check_tty_count(tty, "release_dev"); + check_tty_count(tty, "tty_release_dev"); tty_fasync(-1, filp, 0); @@ -1612,24 +1593,24 @@ static void release_dev(struct file *filp) #ifdef TTY_PARANOIA_CHECK if (idx < 0 || idx >= tty->driver->num) { - printk(KERN_DEBUG "release_dev: bad idx when trying to " + printk(KERN_DEBUG "tty_release_dev: bad idx when trying to " "free (%s)\n", tty->name); return; } if (!(tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)) { if (tty != tty->driver->ttys[idx]) { - printk(KERN_DEBUG "release_dev: driver.table[%d] not tty " + printk(KERN_DEBUG "tty_release_dev: driver.table[%d] not tty " "for (%s)\n", idx, tty->name); return; } if (tty->termios != tty->driver->termios[idx]) { - printk(KERN_DEBUG "release_dev: driver.termios[%d] not termios " + printk(KERN_DEBUG "tty_release_dev: driver.termios[%d] not termios " "for (%s)\n", idx, tty->name); return; } if (tty->termios_locked != tty->driver->termios_locked[idx]) { - printk(KERN_DEBUG "release_dev: driver.termios_locked[%d] not " + printk(KERN_DEBUG "tty_release_dev: driver.termios_locked[%d] not " "termios_locked for (%s)\n", idx, tty->name); return; @@ -1638,7 +1619,7 @@ static void release_dev(struct file *filp) #endif #ifdef TTY_DEBUG_HANGUP - printk(KERN_DEBUG "release_dev of %s (tty count=%d)...", + printk(KERN_DEBUG "tty_release_dev of %s (tty count=%d)...", tty_name(tty, buf), tty->count); #endif @@ -1646,26 +1627,26 @@ static void release_dev(struct file *filp) if (tty->driver->other && !(tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)) { if (o_tty != tty->driver->other->ttys[idx]) { - printk(KERN_DEBUG "release_dev: other->table[%d] " + printk(KERN_DEBUG "tty_release_dev: other->table[%d] " "not o_tty for (%s)\n", idx, tty->name); return; } if (o_tty->termios != tty->driver->other->termios[idx]) { - printk(KERN_DEBUG "release_dev: other->termios[%d] " + printk(KERN_DEBUG "tty_release_dev: other->termios[%d] " "not o_termios for (%s)\n", idx, tty->name); return; } if (o_tty->termios_locked != tty->driver->other->termios_locked[idx]) { - printk(KERN_DEBUG "release_dev: other->termios_locked[" + printk(KERN_DEBUG "tty_release_dev: other->termios_locked[" "%d] not o_termios_locked for (%s)\n", idx, tty->name); return; } if (o_tty->link != tty) { - printk(KERN_DEBUG "release_dev: bad pty pointers\n"); + printk(KERN_DEBUG "tty_release_dev: bad pty pointers\n"); return; } } @@ -1723,7 +1704,7 @@ static void release_dev(struct file *filp) if (!do_sleep) break; - printk(KERN_WARNING "release_dev: %s: read/write wait queue " + printk(KERN_WARNING "tty_release_dev: %s: read/write wait queue " "active!\n", tty_name(tty, buf)); mutex_unlock(&tty_mutex); schedule(); @@ -1736,14 +1717,14 @@ static void release_dev(struct file *filp) */ if (pty_master) { if (--o_tty->count < 0) { - printk(KERN_WARNING "release_dev: bad pty slave count " + printk(KERN_WARNING "tty_release_dev: bad pty slave count " "(%d) for %s\n", o_tty->count, tty_name(o_tty, buf)); o_tty->count = 0; } } if (--tty->count < 0) { - printk(KERN_WARNING "release_dev: bad tty->count (%d) for %s\n", + printk(KERN_WARNING "tty_release_dev: bad tty->count (%d) for %s\n", tty->count, tty_name(tty, buf)); tty->count = 0; } @@ -1825,7 +1806,7 @@ static void release_dev(struct file *filp) * The termios state of a pty is reset on first open so that * settings don't persist across reuse. * - * Locking: tty_mutex protects tty, get_tty_driver and init_dev work. + * Locking: tty_mutex protects tty, get_tty_driver and tty_init_dev work. * tty->count should protect the rest. * ->siglock protects ->signal/->sighand */ @@ -1889,7 +1870,7 @@ retry_open: return -ENODEV; } got_driver: - retval = init_dev(driver, index, &tty, 0); + retval = tty_init_dev(driver, index, &tty, 0); mutex_unlock(&tty_mutex); if (retval) return retval; @@ -1920,7 +1901,7 @@ got_driver: printk(KERN_DEBUG "error %d in opening %s...", retval, tty->name); #endif - release_dev(filp); + tty_release_dev(filp); if (retval != -ERESTARTSYS) return retval; if (signal_pending(current)) @@ -1959,69 +1940,6 @@ static int tty_open(struct inode *inode, struct file *filp) -#ifdef CONFIG_UNIX98_PTYS -/** - * ptmx_open - open a unix 98 pty master - * @inode: inode of device file - * @filp: file pointer to tty - * - * Allocate a unix98 pty master device from the ptmx driver. - * - * Locking: tty_mutex protects theinit_dev work. tty->count should - * protect the rest. - * allocated_ptys_lock handles the list of free pty numbers - */ - -static int __ptmx_open(struct inode *inode, struct file *filp) -{ - struct tty_struct *tty; - int retval; - int index; - - nonseekable_open(inode, filp); - - /* find a device that is not in use. */ - index = devpts_new_index(); - if (index < 0) - return index; - - mutex_lock(&tty_mutex); - retval = init_dev(ptm_driver, index, &tty, 1); - mutex_unlock(&tty_mutex); - - if (retval) - goto out; - - set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ - filp->private_data = tty; - file_move(filp, &tty->tty_files); - - retval = devpts_pty_new(tty->link); - if (retval) - goto out1; - - check_tty_count(tty, "ptmx_open"); - retval = ptm_driver->ops->open(tty, filp); - if (!retval) - return 0; -out1: - release_dev(filp); - return retval; -out: - devpts_kill_index(index); - return retval; -} - -static int ptmx_open(struct inode *inode, struct file *filp) -{ - int ret; - - lock_kernel(); - ret = __ptmx_open(inode, filp); - unlock_kernel(); - return ret; -} -#endif /** * tty_release - vfs callback for close @@ -2032,13 +1950,13 @@ static int ptmx_open(struct inode *inode, struct file *filp) * this tty. There may however be several such references. * * Locking: - * Takes bkl. See release_dev + * Takes bkl. See tty_release_dev */ static int tty_release(struct inode *inode, struct file *filp) { lock_kernel(); - release_dev(filp); + tty_release_dev(filp); unlock_kernel(); return 0; } @@ -2932,7 +2850,7 @@ int tty_put_char(struct tty_struct *tty, unsigned char ch) EXPORT_SYMBOL_GPL(tty_put_char); -static struct class *tty_class; +struct class *tty_class; /** * tty_register_device - register a tty device @@ -3197,6 +3115,11 @@ struct tty_struct *get_current_tty(void) } EXPORT_SYMBOL_GPL(get_current_tty); +void tty_default_fops(struct file_operations *fops) +{ + *fops = tty_fops; +} + /* * Initialize the console device. This is called *early*, so * we can't necessarily depend on lots of kernel help here. @@ -3234,12 +3157,6 @@ postcore_initcall(tty_class_init); /* 3/2004 jmc: why do these devices exist? */ static struct cdev tty_cdev, console_cdev; -#ifdef CONFIG_UNIX98_PTYS -static struct cdev ptmx_cdev; -#endif -#ifdef CONFIG_VT -static struct cdev vc0_cdev; -#endif /* * Ok, now we can initialize the rest of the tty devices and can count @@ -3251,32 +3168,18 @@ static int __init tty_init(void) if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0) panic("Couldn't register /dev/tty driver\n"); - device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty"); cdev_init(&console_cdev, &console_fops); if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0) panic("Couldn't register /dev/console driver\n"); - device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, "console"); -#ifdef CONFIG_UNIX98_PTYS - cdev_init(&ptmx_cdev, &ptmx_fops); - if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || - register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) - panic("Couldn't register /dev/ptmx driver\n"); - device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); -#endif - #ifdef CONFIG_VT - cdev_init(&vc0_cdev, &console_fops); - if (cdev_add(&vc0_cdev, MKDEV(TTY_MAJOR, 0), 1) || - register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) - panic("Couldn't register /dev/tty0 driver\n"); - device_create_drvdata(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); - - vty_init(); + vty_init(&console_fops); #endif return 0; } diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 30670851e51a..14cc19c344cc 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -40,6 +40,15 @@ #define TERMIOS_OLD 8 +/** + * tty_chars_in_buffer - characters pending + * @tty: terminal + * + * Return the number of bytes of data in the device private + * output queue. If no private method is supplied there is assumed + * to be no queue on the device. + */ + int tty_chars_in_buffer(struct tty_struct *tty) { if (tty->ops->chars_in_buffer) @@ -47,26 +56,49 @@ int tty_chars_in_buffer(struct tty_struct *tty) else return 0; } - EXPORT_SYMBOL(tty_chars_in_buffer); +/** + * tty_write_room - write queue space + * @tty: terminal + * + * Return the number of bytes that can be queued to this device + * at the present time. The result should be treated as a guarantee + * and the driver cannot offer a value it later shrinks by more than + * the number of bytes written. If no method is provided 2K is always + * returned and data may be lost as there will be no flow control. + */ + int tty_write_room(struct tty_struct *tty) { if (tty->ops->write_room) return tty->ops->write_room(tty); return 2048; } - EXPORT_SYMBOL(tty_write_room); +/** + * tty_driver_flush_buffer - discard internal buffer + * @tty: terminal + * + * Discard the internal output buffer for this device. If no method + * is provided then either the buffer cannot be hardware flushed or + * there is no buffer driver side. + */ void tty_driver_flush_buffer(struct tty_struct *tty) { if (tty->ops->flush_buffer) tty->ops->flush_buffer(tty); } - EXPORT_SYMBOL(tty_driver_flush_buffer); +/** + * tty_throttle - flow control + * @tty: terminal + * + * Indicate that a tty should stop transmitting data down the stack. + */ + void tty_throttle(struct tty_struct *tty) { /* check TTY_THROTTLED first so it indicates our state */ @@ -76,6 +108,13 @@ void tty_throttle(struct tty_struct *tty) } EXPORT_SYMBOL(tty_throttle); +/** + * tty_unthrottle - flow control + * @tty: terminal + * + * Indicate that a tty may continue transmitting data down the stack. + */ + void tty_unthrottle(struct tty_struct *tty) { if (test_and_clear_bit(TTY_THROTTLED, &tty->flags) && @@ -112,6 +151,11 @@ void tty_wait_until_sent(struct tty_struct *tty, long timeout) } EXPORT_SYMBOL(tty_wait_until_sent); + +/* + * Termios Helper Methods + */ + static void unset_locked_termios(struct ktermios *termios, struct ktermios *old, struct ktermios *locked) @@ -346,6 +390,16 @@ void tty_termios_encode_baud_rate(struct ktermios *termios, } EXPORT_SYMBOL_GPL(tty_termios_encode_baud_rate); +/** + * tty_encode_baud_rate - set baud rate of the tty + * @ibaud: input baud rate + * @obad: output baud rate + * + * Update the current termios data for the tty with the new speed + * settings. The caller must hold the termios_mutex for the tty in + * question. + */ + void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud) { tty_termios_encode_baud_rate(tty->termios, ibaud, obaud); @@ -430,7 +484,7 @@ EXPORT_SYMBOL(tty_termios_hw_change); * is a bit of layering violation here with n_tty in terms of the * internal knowledge of this function. * - * Locking: termios_sem + * Locking: termios_mutex */ static void change_termios(struct tty_struct *tty, struct ktermios *new_termios) @@ -508,7 +562,7 @@ static void change_termios(struct tty_struct *tty, struct ktermios *new_termios) * functions before using change_termios to do the actual changes. * * Locking: - * Called functions take ldisc and termios_sem locks + * Called functions take ldisc and termios_mutex locks */ static int set_termios(struct tty_struct *tty, void __user *arg, int opt) @@ -715,7 +769,7 @@ static void set_sgflags(struct ktermios *termios, int flags) * Updates a terminal from the legacy BSD style terminal information * structure. * - * Locking: termios_sem + * Locking: termios_mutex */ static int set_sgttyb(struct tty_struct *tty, struct sgttyb __user *sgttyb) diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 37a45db5bae0..57029fefd64a 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -100,10 +100,10 @@ #include #include #include - -#include +#include +#include #include -#include +#include #define MAX_NR_CON_DRIVER 16 @@ -2352,8 +2352,6 @@ rescan_last_byte: FLUSH console_conditional_schedule(); release_console_sem(); - -out: notify_update(vc); return n; #undef FLUSH @@ -2784,13 +2782,6 @@ static int con_open(struct tty_struct *tty, struct file *filp) return ret; } -/* - * We take tty_mutex in here to prevent another thread from coming in via init_dev - * and taking a ref against the tty while we're in the process of forgetting - * about it and cleaning things up. - * - * This is because vcs_remove_sysfs() can sleep and will drop the BKL. - */ static void con_close(struct tty_struct *tty, struct file *filp) { /* Nothing to do - we defer to shutdown */ @@ -2932,8 +2923,16 @@ static const struct tty_operations con_ops = { .shutdown = con_shutdown }; -int __init vty_init(void) +static struct cdev vc0_cdev; + +int __init vty_init(const struct file_operations *console_fops) { + cdev_init(&vc0_cdev, console_fops); + if (cdev_add(&vc0_cdev, MKDEV(TTY_MAJOR, 0), 1) || + register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) + panic("Couldn't register /dev/tty0 driver\n"); + device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); + vcs_init(); console_driver = alloc_tty_driver(MAX_NR_CONSOLES); @@ -2952,7 +2951,6 @@ int __init vty_init(void) tty_set_operations(console_driver, &con_ops); if (tty_register_driver(console_driver)) panic("Couldn't register console driver\n"); - kbd_init(); console_map_init(); #ifdef CONFIG_PROM_CONSOLE @@ -3446,7 +3444,7 @@ int register_con_driver(const struct consw *csw, int first, int last) if (retval) goto err; - con_driver->dev = device_create_drvdata(vtconsole_class, NULL, + con_driver->dev = device_create(vtconsole_class, NULL, MKDEV(0, con_driver->node), NULL, "vtcon%i", con_driver->node); @@ -3557,7 +3555,7 @@ static int __init vtconsole_class_init(void) struct con_driver *con = ®istered_con_driver[i]; if (con->con && !con->dev) { - con->dev = device_create_drvdata(vtconsole_class, NULL, + con->dev = device_create(vtconsole_class, NULL, MKDEV(0, con->node), NULL, "vtcon%i", con->node); diff --git a/include/linux/tty.h b/include/linux/tty.h index 6e39c705b9b6..6cc7ccc93c69 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -314,6 +314,8 @@ extern int kmsg_redirect; extern void console_init(void); extern int vcs_init(void); +extern struct class *tty_class; + /** * tty_kref_get - get a tty reference * @tty: tty device @@ -398,6 +400,10 @@ extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg); extern dev_t tty_devnum(struct tty_struct *tty); extern void proc_clear_tty(struct task_struct *p); extern struct tty_struct *get_current_tty(void); +extern void tty_default_fops(struct file_operations *fops); +extern int tty_init_dev(struct tty_driver *driver, int idx, + struct tty_struct **ret_tty, int first_ok); +extern void tty_release_dev(struct file *filp); extern struct mutex tty_mutex; diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 1cbd0a7db4e6..2f1113467f70 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -96,7 +96,7 @@ void change_console(struct vc_data *new_vc); void reset_vc(struct vc_data *vc); extern int unbind_con_driver(const struct consw *csw, int first, int last, int deflt); -int vty_init(void); +int vty_init(const struct file_operations *console_fops); /* * vc_screen.c shares this temporary buffer with the console write code so that -- GitLab From 23499705753ab8b4c6b0b64e6c424a370bd900a1 Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:41:51 +0100 Subject: [PATCH 4375/6244] tty: Move parts of tty_init_dev into new functions Move the 'find-tty' and 'fast-track-open' parts of init_dev() to separate functions. Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 139 ++++++++++++++++++++++++++---------------- 1 file changed, 87 insertions(+), 52 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index fdcc43c8ef3c..a5408496d301 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1204,6 +1204,80 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) sprintf(p, "%s%d", driver->name, index + driver->name_base); } +/* + * find_tty() - find an existing tty, if any + * @driver: the driver for the tty + * @idx: the minor number + * + * Return the tty, if found or ERR_PTR() otherwise. + * + * Locking: tty_mutex must be held. If tty is found, the mutex must + * be held until the 'fast-open' is also done. + */ +struct tty_struct *find_tty(struct tty_driver *driver, int idx) +{ + struct tty_struct *tty; + + /* check whether we're reopening an existing tty */ + if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { + tty = devpts_get_tty(idx); + /* + * If we don't have a tty here on a slave open, it's because + * the master already started the close process and there's + * no relation between devpts file and tty anymore. + */ + if (!tty && driver->subtype == PTY_TYPE_SLAVE) + return ERR_PTR(-EIO); + + /* + * tty is safe on because we are called with tty_mutex held + * and release_dev() won't change tty->count or tty->flags + * without grabbing tty_mutex. + */ + if (tty && driver->subtype == PTY_TYPE_MASTER) + tty = tty->link; + } else + tty = driver->ttys[idx]; + return tty; +} + +/* + * fast_tty_open() - fast re-open of an open tty + * @tty - the tty to open + * + * Return 0 on success, -errno on error. + * + * Locking: tty_mutex must be held from the time the tty was found + * till this open completes. + */ +static int fast_tty_open(struct tty_struct *tty) +{ + struct tty_driver *driver = tty->driver; + + if (test_bit(TTY_CLOSING, &tty->flags)) + return -EIO; + + if (driver->type == TTY_DRIVER_TYPE_PTY && + driver->subtype == PTY_TYPE_MASTER) { + /* + * special case for PTY masters: only one open permitted, + * and the slave side open count is incremented as well. + */ + if (tty->count) + return -EIO; + + tty->link->count++; + } + tty->count++; + tty->driver = driver; /* N.B. why do this every time?? */ + + /* FIXME */ + if (!test_bit(TTY_LDISC, &tty->flags)) + printk(KERN_ERR "fast_tty_open: no ldisc\n"); + + return 0; +} + /** * tty_init_dev - initialise a tty device * @driver: tty driver we are opening a device on @@ -1238,29 +1312,21 @@ int tty_init_dev(struct tty_driver *driver, int idx, int retval = 0; /* check whether we're reopening an existing tty */ - if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { - tty = devpts_get_tty(idx); - /* - * If we don't have a tty here on a slave open, it's because - * the master already started the close process and there's - * no relation between devpts file and tty anymore. - */ - if (!tty && driver->subtype == PTY_TYPE_SLAVE) { - retval = -EIO; - goto end_init; - } - /* - * It's safe from now on because tty_init_dev() is called with - * tty_mutex held and tty_release_dev() won't change tty->count - * or tty->flags without having to grab tty_mutex - */ - if (tty && driver->subtype == PTY_TYPE_MASTER) - tty = tty->link; - } else { - tty = driver->ttys[idx]; + tty = find_tty(driver, idx); + if (IS_ERR(tty)) { + retval = PTR_ERR(tty); + goto end_init; + } + + if (tty) { + retval = fast_tty_open(tty); + if (retval) + return retval; + *ret_tty = tty; + return 0; } - if (tty) goto fast_track; + /* Check if pty master is being opened multiple times */ if (driver->subtype == PTY_TYPE_MASTER && (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) { retval = -EIO; @@ -1400,37 +1466,6 @@ int tty_init_dev(struct tty_driver *driver, int idx, if (retval) goto release_mem_out; - goto success; - - /* - * This fast open can be used if the tty is already open. - * No memory is allocated, and the only failures are from - * attempting to open a closing tty or attempting multiple - * opens on a pty master. - */ -fast_track: - if (test_bit(TTY_CLOSING, &tty->flags)) { - retval = -EIO; - goto end_init; - } - if (driver->type == TTY_DRIVER_TYPE_PTY && - driver->subtype == PTY_TYPE_MASTER) { - /* - * special case for PTY masters: only one open permitted, - * and the slave side open count is incremented as well. - */ - if (tty->count) { - retval = -EIO; - goto end_init; - } - tty->link->count++; - } - tty->count++; - tty->driver = driver; /* N.B. why do this every time?? */ - - /* FIXME */ - if (!test_bit(TTY_LDISC, &tty->flags)) - printk(KERN_ERR "tty_init_dev but no ldisc\n"); success: *ret_tty = tty; -- GitLab From 99f1fe189daf8e99a847e420567e49dd7ee2aae7 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:00 +0100 Subject: [PATCH 4376/6244] tty: Clean up the tty_init_dev changes further Fix up the naming, style and extract some bits of code into the driver specific code Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 49 ++++++++++++++++++++++++++++- drivers/char/tty_io.c | 64 ++++++++++++++------------------------ include/linux/tty_driver.h | 9 ++++++ 3 files changed, 81 insertions(+), 41 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 328e8ac12306..6e148ade7353 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -391,6 +391,41 @@ static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file, return -ENOIOCTLCMD; } +/** + * ptm_unix98_lookup - find a pty master + * @driver: ptm driver + * @idx: tty index + * + * Look up a pty master device. Called under the tty_mutex for now. + * This provides our locking. + */ + +static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, int idx) +{ + struct tty_struct *tty = devpts_get_tty(idx); + if (tty) + tty = tty->link; + return tty; +} + +/** + * pts_unix98_lookup - find a pty slave + * @driver: pts driver + * @idx: tty index + * + * Look up a pty master device. Called under the tty_mutex for now. + * This provides our locking. + */ + +static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, int idx) +{ + struct tty_struct *tty = devpts_get_tty(idx); + /* Master must be open before slave */ + if (!tty) + return ERR_PTR(-EIO); + return tty; +} + static void pty_shutdown(struct tty_struct *tty) { /* We have our own method as we don't use the tty index */ @@ -399,6 +434,7 @@ static void pty_shutdown(struct tty_struct *tty) } static const struct tty_operations ptm_unix98_ops = { + .lookup = ptm_unix98_lookup, .open = pty_open, .close = pty_close, .write = pty_write, @@ -411,6 +447,17 @@ static const struct tty_operations ptm_unix98_ops = { .shutdown = pty_shutdown }; +static const struct tty_operations pty_unix98_ops = { + .lookup = pts_unix98_lookup, + .open = pty_open, + .close = pty_close, + .write = pty_write, + .write_room = pty_write_room, + .flush_buffer = pty_flush_buffer, + .chars_in_buffer = pty_chars_in_buffer, + .unthrottle = pty_unthrottle, + .set_termios = pty_set_termios, +}; /** * ptmx_open - open a unix 98 pty master @@ -517,7 +564,7 @@ static void __init unix98_pty_init(void) pts_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM; pts_driver->other = ptm_driver; - tty_set_operations(pts_driver, &pty_ops); + tty_set_operations(pts_driver, &pty_unix98_ops); if (tty_register_driver(ptm_driver)) panic("Couldn't register Unix98 ptm driver"); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index a5408496d301..ac41af8763d1 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1204,53 +1204,38 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) sprintf(p, "%s%d", driver->name, index + driver->name_base); } -/* - * find_tty() - find an existing tty, if any - * @driver: the driver for the tty - * @idx: the minor number +/** + * tty_driver_lookup_tty() - find an existing tty, if any + * @driver: the driver for the tty + * @idx: the minor number * - * Return the tty, if found or ERR_PTR() otherwise. + * Return the tty, if found or ERR_PTR() otherwise. * - * Locking: tty_mutex must be held. If tty is found, the mutex must - * be held until the 'fast-open' is also done. + * Locking: tty_mutex must be held. If tty is found, the mutex must + * be held until the 'fast-open' is also done. Will change once we + * have refcounting in the driver and per driver locking */ -struct tty_struct *find_tty(struct tty_driver *driver, int idx) +struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int idx) { struct tty_struct *tty; - /* check whether we're reopening an existing tty */ - if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { - tty = devpts_get_tty(idx); - /* - * If we don't have a tty here on a slave open, it's because - * the master already started the close process and there's - * no relation between devpts file and tty anymore. - */ - if (!tty && driver->subtype == PTY_TYPE_SLAVE) - return ERR_PTR(-EIO); + if (driver->ops->lookup) + return driver->ops->lookup(driver, idx); - /* - * tty is safe on because we are called with tty_mutex held - * and release_dev() won't change tty->count or tty->flags - * without grabbing tty_mutex. - */ - if (tty && driver->subtype == PTY_TYPE_MASTER) - tty = tty->link; - } else tty = driver->ttys[idx]; return tty; } -/* - * fast_tty_open() - fast re-open of an open tty - * @tty - the tty to open +/** + * tty_reopen() - fast re-open of an open tty + * @tty - the tty to open * - * Return 0 on success, -errno on error. + * Return 0 on success, -errno on error. * - * Locking: tty_mutex must be held from the time the tty was found - * till this open completes. + * Locking: tty_mutex must be held from the time the tty was found + * till this open completes. */ -static int fast_tty_open(struct tty_struct *tty) +static int tty_reopen(struct tty_struct *tty) { struct tty_driver *driver = tty->driver; @@ -1271,9 +1256,7 @@ static int fast_tty_open(struct tty_struct *tty) tty->count++; tty->driver = driver; /* N.B. why do this every time?? */ - /* FIXME */ - if (!test_bit(TTY_LDISC, &tty->flags)) - printk(KERN_ERR "fast_tty_open: no ldisc\n"); + WARN_ON(!test_bit(TTY_LDISC, &tty->flags)); return 0; } @@ -1312,14 +1295,14 @@ int tty_init_dev(struct tty_driver *driver, int idx, int retval = 0; /* check whether we're reopening an existing tty */ - tty = find_tty(driver, idx); + tty = tty_driver_lookup_tty(driver, idx); if (IS_ERR(tty)) { retval = PTR_ERR(tty); goto end_init; } if (tty) { - retval = fast_tty_open(tty); + retval = tty_reopen(tty); if (retval) return retval; *ret_tty = tty; @@ -1440,6 +1423,8 @@ int tty_init_dev(struct tty_driver *driver, int idx, * All structures have been allocated, so now we install them. * Failures after this point use release_tty to clean up, so * there's no need to null out the local pointers. + * + * FIXME: We want a 'driver->install method ? */ if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM)) driver->ttys[idx] = tty; @@ -1466,9 +1451,8 @@ int tty_init_dev(struct tty_driver *driver, int idx, if (retval) goto release_mem_out; -success: - *ret_tty = tty; + *ret_tty = tty; /* All paths come through here to release the mutex */ end_init: return retval; diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 2322313a8589..2c5c35c4656f 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -7,6 +7,14 @@ * defined; unless noted otherwise, they are optional, and can be * filled in with a null pointer. * + * struct tty_struct * (*lookup)(struct tty_driver *self, int idx) + * + * Return the tty device corresponding to idx, NULL if there is not + * one currently in use and an ERR_PTR value on error. Called under + * tty_mutex (for now!) + * + * Optional method. Default behaviour is to use the ttys array + * * int (*open)(struct tty_struct * tty, struct file * filp); * * This routine is called when a particular tty device is opened. @@ -203,6 +211,7 @@ struct tty_struct; struct tty_driver; struct tty_operations { + struct tty_struct * (*lookup)(struct tty_driver *driver, int idx); int (*open)(struct tty_struct * tty, struct file * filp); void (*close)(struct tty_struct * tty, struct file * filp); void (*shutdown)(struct tty_struct *tty); -- GitLab From 7d7b93c1452f381350dbaf276a63357fa6559e6d Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:09 +0100 Subject: [PATCH 4377/6244] tty: kref the tty driver object Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/ip2/ip2main.c | 6 +- drivers/char/pty.c | 5 +- drivers/char/tty_io.c | 110 ++++++++++++++++++++----------------- drivers/net/wan/Kconfig | 2 +- include/linux/tty_driver.h | 15 +++-- 5 files changed, 80 insertions(+), 58 deletions(-) diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 66f52a28c40b..6774572d3759 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -264,8 +264,8 @@ static int tracewrap; /**********/ #if defined(MODULE) && defined(IP2DEBUG_OPEN) -#define DBG_CNT(s) printk(KERN_DEBUG "(%s): [%x] refc=%d, ttyc=%d, modc=%x -> %s\n", \ - tty->name,(pCh->flags),ip2_tty_driver->refcount, \ +#define DBG_CNT(s) printk(KERN_DEBUG "(%s): [%x] ttyc=%d, modc=%x -> %s\n", \ + tty->name,(pCh->flags), \ tty->count,/*GET_USE_COUNT(module)*/0,s) #else #define DBG_CNT(s) @@ -2893,7 +2893,7 @@ ip2_ipl_ioctl (struct file *pFile, UINT cmd, ULONG arg ) case 13: switch ( cmd ) { case 64: /* Driver - ip2stat */ - rc = put_user(ip2_tty_driver->refcount, pIndex++ ); + rc = put_user(-1, pIndex++ ); rc = put_user(irq_counter, pIndex++ ); rc = put_user(bh_counter, pIndex++ ); break; diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 6e148ade7353..0fdfa0517140 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -571,8 +571,11 @@ static void __init unix98_pty_init(void) if (tty_register_driver(pts_driver)) panic("Couldn't register Unix98 pts driver"); + /* FIXME: WTF */ +#if 0 pty_table[1].data = &ptm_driver->refcount; - register_sysctl_table(pty_root_table); +#endif + register_sysctl_table(pty_root_table); /* Now create the /dev/ptmx special device */ tty_default_fops(&ptmx_fops); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index ac41af8763d1..47aa437effe2 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -276,7 +276,7 @@ static struct tty_driver *get_tty_driver(dev_t device, int *index) if (device < base || device >= base + p->num) continue; *index = device - base; - return p; + return tty_driver_kref_get(p); } return NULL; } @@ -320,7 +320,7 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line) if (tty_line >= 0 && tty_line <= p->num && p->ops && p->ops->poll_init && !p->ops->poll_init(p, tty_line, str)) { - res = p; + res = tty_driver_kref_get(p); *line = tty_line; break; } @@ -1410,7 +1410,7 @@ int tty_init_dev(struct tty_driver *driver, int idx, *o_ltp_loc = o_ltp; o_tty->termios = *o_tp_loc; o_tty->termios_locked = *o_ltp_loc; - driver->other->refcount++; + tty_driver_kref_get(driver->other); if (driver->subtype == PTY_TYPE_MASTER) o_tty->count++; @@ -1438,7 +1438,7 @@ int tty_init_dev(struct tty_driver *driver, int idx, /* Compatibility until drivers always set this */ tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios); - driver->refcount++; + tty_driver_kref_get(driver); tty->count++; /* @@ -1530,8 +1530,7 @@ static void release_one_tty(struct kref *kref) else tty_shutdown(tty); tty->magic = 0; - /* FIXME: locking on tty->driver->refcount */ - tty->driver->refcount--; + tty_driver_kref_put(driver); module_put(driver->owner); file_list_lock(); @@ -1854,7 +1853,7 @@ retry_open: mutex_unlock(&tty_mutex); return -ENXIO; } - driver = tty->driver; + driver = tty_driver_kref_get(tty->driver); index = tty->index; filp->f_flags |= O_NONBLOCK; /* Don't let /dev/tty block */ /* noctty = 1; */ @@ -1865,14 +1864,14 @@ retry_open: #ifdef CONFIG_VT if (device == MKDEV(TTY_MAJOR, 0)) { extern struct tty_driver *console_driver; - driver = console_driver; + driver = tty_driver_kref_get(console_driver); index = fg_console; noctty = 1; goto got_driver; } #endif if (device == MKDEV(TTYAUX_MAJOR, 1)) { - driver = console_device(&index); + driver = tty_driver_kref_get(console_device(&index)); if (driver) { /* Don't let /dev/console block */ filp->f_flags |= O_NONBLOCK; @@ -1891,6 +1890,7 @@ retry_open: got_driver: retval = tty_init_dev(driver, index, &tty, 0); mutex_unlock(&tty_mutex); + tty_driver_kref_put(driver); if (retval) return retval; @@ -2866,7 +2866,6 @@ int tty_put_char(struct tty_struct *tty, unsigned char ch) return tty->ops->put_char(tty, ch); return tty->ops->write(tty, &ch, 1); } - EXPORT_SYMBOL_GPL(tty_put_char); struct class *tty_class; @@ -2909,6 +2908,7 @@ struct device *tty_register_device(struct tty_driver *driver, unsigned index, return device_create_drvdata(tty_class, device, dev, NULL, name); } +EXPORT_SYMBOL(tty_register_device); /** * tty_unregister_device - unregister a tty device @@ -2926,8 +2926,6 @@ void tty_unregister_device(struct tty_driver *driver, unsigned index) device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); } - -EXPORT_SYMBOL(tty_register_device); EXPORT_SYMBOL(tty_unregister_device); struct tty_driver *alloc_tty_driver(int lines) @@ -2936,27 +2934,70 @@ struct tty_driver *alloc_tty_driver(int lines) driver = kzalloc(sizeof(struct tty_driver), GFP_KERNEL); if (driver) { + kref_init(&driver->kref); driver->magic = TTY_DRIVER_MAGIC; driver->num = lines; /* later we'll move allocation of tables here */ } return driver; } +EXPORT_SYMBOL(alloc_tty_driver); -void put_tty_driver(struct tty_driver *driver) +static void destruct_tty_driver(struct kref *kref) { + struct tty_driver *driver = container_of(kref, struct tty_driver, kref); + int i; + struct ktermios *tp; + void *p; + + if (driver->flags & TTY_DRIVER_INSTALLED) { + /* + * Free the termios and termios_locked structures because + * we don't want to get memory leaks when modular tty + * drivers are removed from the kernel. + */ + for (i = 0; i < driver->num; i++) { + tp = driver->termios[i]; + if (tp) { + driver->termios[i] = NULL; + kfree(tp); + } + tp = driver->termios_locked[i]; + if (tp) { + driver->termios_locked[i] = NULL; + kfree(tp); + } + if (!(driver->flags & TTY_DRIVER_DYNAMIC_DEV)) + tty_unregister_device(driver, i); + } + p = driver->ttys; + proc_tty_unregister_driver(driver); + driver->ttys = NULL; + driver->termios = driver->termios_locked = NULL; + kfree(p); + cdev_del(&driver->cdev); + } kfree(driver); } +void tty_driver_kref_put(struct tty_driver *driver) +{ + kref_put(&driver->kref, destruct_tty_driver); +} +EXPORT_SYMBOL(tty_driver_kref_put); + void tty_set_operations(struct tty_driver *driver, const struct tty_operations *op) { driver->ops = op; }; +EXPORT_SYMBOL(tty_set_operations); -EXPORT_SYMBOL(alloc_tty_driver); +void put_tty_driver(struct tty_driver *d) +{ + tty_driver_kref_put(d); +} EXPORT_SYMBOL(put_tty_driver); -EXPORT_SYMBOL(tty_set_operations); /* * Called by a tty driver to register itself. @@ -2968,9 +3009,6 @@ int tty_register_driver(struct tty_driver *driver) dev_t dev; void **p = NULL; - if (driver->flags & TTY_DRIVER_INSTALLED) - return 0; - if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM) && driver->num) { p = kzalloc(driver->num * 3 * sizeof(void *), GFP_KERNEL); if (!p) @@ -3024,6 +3062,7 @@ int tty_register_driver(struct tty_driver *driver) tty_register_device(driver, i, NULL); } proc_tty_register_driver(driver); + driver->flags |= TTY_DRIVER_INSTALLED; return 0; } @@ -3034,46 +3073,19 @@ EXPORT_SYMBOL(tty_register_driver); */ int tty_unregister_driver(struct tty_driver *driver) { - int i; - struct ktermios *tp; - void *p; - +#if 0 + /* FIXME */ if (driver->refcount) return -EBUSY; - +#endif unregister_chrdev_region(MKDEV(driver->major, driver->minor_start), driver->num); mutex_lock(&tty_mutex); list_del(&driver->tty_drivers); mutex_unlock(&tty_mutex); - - /* - * Free the termios and termios_locked structures because - * we don't want to get memory leaks when modular tty - * drivers are removed from the kernel. - */ - for (i = 0; i < driver->num; i++) { - tp = driver->termios[i]; - if (tp) { - driver->termios[i] = NULL; - kfree(tp); - } - tp = driver->termios_locked[i]; - if (tp) { - driver->termios_locked[i] = NULL; - kfree(tp); - } - if (!(driver->flags & TTY_DRIVER_DYNAMIC_DEV)) - tty_unregister_device(driver, i); - } - p = driver->ttys; - proc_tty_unregister_driver(driver); - driver->ttys = NULL; - driver->termios = driver->termios_locked = NULL; - kfree(p); - cdev_del(&driver->cdev); return 0; } + EXPORT_SYMBOL(tty_unregister_driver); dev_t tty_devnum(struct tty_struct *tty) diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index 2ae2ec40015d..21efd99b9294 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -205,7 +205,7 @@ config WANXL_BUILD_FIRMWARE config PC300 tristate "Cyclades-PC300 support (RS-232/V.35, X.21, T1/E1 boards)" - depends on HDLC && PCI + depends on HDLC && PCI && BROKEN ---help--- Driver for the Cyclades-PC300 synchronous communication boards. diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 2c5c35c4656f..ba891dd23550 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -253,6 +253,7 @@ struct tty_operations { struct tty_driver { int magic; /* magic number for this structure */ + struct kref kref; /* Reference management */ struct cdev cdev; struct module *owner; const char *driver_name; @@ -266,7 +267,6 @@ struct tty_driver { short subtype; /* subtype of tty driver */ struct ktermios init_termios; /* Initial termios */ int flags; /* tty driver flags */ - int refcount; /* for loadable tty drivers */ struct proc_dir_entry *proc_entry; /* /proc fs entry */ struct tty_driver *other; /* only used for the PTY driver */ @@ -288,12 +288,19 @@ struct tty_driver { extern struct list_head tty_drivers; -struct tty_driver *alloc_tty_driver(int lines); -void put_tty_driver(struct tty_driver *driver); -void tty_set_operations(struct tty_driver *driver, +extern struct tty_driver *alloc_tty_driver(int lines); +extern void put_tty_driver(struct tty_driver *driver); +extern void tty_set_operations(struct tty_driver *driver, const struct tty_operations *op); extern struct tty_driver *tty_find_polling_driver(char *name, int *line); +extern void tty_driver_kref_put(struct tty_driver *driver); +extern inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d) +{ + kref_get(&d->kref); + return d; +} + /* tty driver magic number */ #define TTY_DRIVER_MAGIC 0x5402 -- GitLab From 8b0a88d5912ab549d5adac2c8498ecdaae5319a5 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:19 +0100 Subject: [PATCH 4378/6244] tty: More driver operations We have the lookup operation abstracted which is nice for pty cleanup but we really want to abstract the add/remove entries as well so that we can pull the pty code out of the tty core and create a clear defined interface for the tty driver table. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 16 +++++++++++ drivers/char/tty_io.c | 57 +++++++++++++++++++++++++++++++------- include/linux/tty_driver.h | 16 +++++++++++ 3 files changed, 79 insertions(+), 10 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 0fdfa0517140..4e6490bda751 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -433,8 +433,22 @@ static void pty_shutdown(struct tty_struct *tty) kfree(tty->termios_locked); } +/* We have no need to install and remove our tty objects as devpts does all + the work for us */ + +static int pty_install(struct tty_driver *driver, struct tty_struct *tty) +{ + return 0; +} + +static void pty_remove(struct tty_driver *driver, struct tty_struct *tty) +{ +} + static const struct tty_operations ptm_unix98_ops = { .lookup = ptm_unix98_lookup, + .install = pty_install, + .remove = pty_remove, .open = pty_open, .close = pty_close, .write = pty_write, @@ -449,6 +463,8 @@ static const struct tty_operations ptm_unix98_ops = { static const struct tty_operations pty_unix98_ops = { .lookup = pts_unix98_lookup, + .install = pty_install, + .remove = pty_remove, .open = pty_open, .close = pty_close, .write = pty_write, diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 47aa437effe2..888380f573dc 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1189,7 +1189,7 @@ static void pty_line_name(struct tty_driver *driver, int index, char *p) } /** - * pty_line_name - generate name for a tty + * tty_line_name - generate name for a tty * @driver: the tty driver in use * @index: the minor number * @p: output buffer of at least 7 bytes @@ -1222,13 +1222,51 @@ struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int idx) if (driver->ops->lookup) return driver->ops->lookup(driver, idx); - tty = driver->ttys[idx]; + tty = driver->ttys[idx]; return tty; } /** - * tty_reopen() - fast re-open of an open tty - * @tty - the tty to open + * tty_driver_install_tty() - install a tty entry in the driver + * @driver: the driver for the tty + * @tty: the tty + * + * Install a tty object into the driver tables. The tty->index field + * will be set by the time this is called. + * + * Locking: tty_mutex for now + */ +static int tty_driver_install_tty(struct tty_driver *driver, + struct tty_struct *tty) +{ + if (driver->ops->install) + return driver->ops->install(driver, tty); + driver->ttys[tty->index] = tty; + return 0; +} + +/** + * tty_driver_remove_tty() - remove a tty from the driver tables + * @driver: the driver for the tty + * @idx: the minor number + * + * Remvoe a tty object from the driver tables. The tty->index field + * will be set by the time this is called. + * + * Locking: tty_mutex for now + */ +static void tty_driver_remove_tty(struct tty_driver *driver, + struct tty_struct *tty) +{ + if (driver->ops->remove) + driver->ops->remove(driver, tty); + else + driver->ttys[tty->index] = NULL; +} + +/* + * tty_reopen() - fast re-open of an open tty + * @tty - the tty to open * * Return 0 on success, -errno on error. * @@ -1423,11 +1461,7 @@ int tty_init_dev(struct tty_driver *driver, int idx, * All structures have been allocated, so now we install them. * Failures after this point use release_tty to clean up, so * there's no need to null out the local pointers. - * - * FIXME: We want a 'driver->install method ? */ - if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM)) - driver->ttys[idx] = tty; if (!*tp_loc) *tp_loc = tp; @@ -1441,6 +1475,9 @@ int tty_init_dev(struct tty_driver *driver, int idx, tty_driver_kref_get(driver); tty->count++; + if (tty_driver_install_tty(driver, tty) < 0) + goto release_mem_out; + /* * Structures all installed ... call the ldisc open routines. * If we fail here just call release_tty to clean up. No need @@ -1502,7 +1539,7 @@ EXPORT_SYMBOL(tty_free_termios); void tty_shutdown(struct tty_struct *tty) { - tty->driver->ttys[tty->index] = NULL; + tty_driver_remove_tty(tty->driver, tty); tty_free_termios(tty); } EXPORT_SYMBOL(tty_shutdown); @@ -1615,7 +1652,7 @@ void tty_release_dev(struct file *filp) "free (%s)\n", tty->name); return; } - if (!(tty->driver->flags & TTY_DRIVER_DEVPTS_MEM)) { + if (!devpts) { if (tty != tty->driver->ttys[idx]) { printk(KERN_DEBUG "tty_release_dev: driver.table[%d] not tty " "for (%s)\n", idx, tty->name); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index ba891dd23550..005d06ad46a6 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -15,6 +15,20 @@ * * Optional method. Default behaviour is to use the ttys array * + * int (*install)(struct tty_driver *self, struct tty_struct *tty) + * + * Install a new tty into the tty driver internal tables. Used in + * conjunction with lookup and remove methods. + * + * Optional method. Default behaviour is to use the ttys array + * + * void (*remove)(struct tty_driver *self, struct tty_struct *tty) + * + * Remove a closed tty from the tty driver internal tables. Used in + * conjunction with lookup and remove methods. + * + * Optional method. Default behaviour is to use the ttys array + * * int (*open)(struct tty_struct * tty, struct file * filp); * * This routine is called when a particular tty device is opened. @@ -212,6 +226,8 @@ struct tty_driver; struct tty_operations { struct tty_struct * (*lookup)(struct tty_driver *driver, int idx); + int (*install)(struct tty_driver *driver, struct tty_struct *tty); + void (*remove)(struct tty_driver *driver, struct tty_struct *tty); int (*open)(struct tty_struct * tty, struct file * filp); void (*close)(struct tty_struct * tty, struct file * filp); void (*shutdown)(struct tty_struct *tty); -- GitLab From 73ec06fc5f5c8e1097a7a4a4ab2d7c6c3a007e81 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:29 +0100 Subject: [PATCH 4379/6244] tty: Finish fixing up the init_dev interface to use ERR_PTR Original suggestion and proposal from Sukadev Bhattiprolu. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 6 +++-- drivers/char/tty_io.c | 52 +++++++++++++++++-------------------------- include/linux/tty.h | 4 ++-- 3 files changed, 27 insertions(+), 35 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 4e6490bda751..c98450023030 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -501,11 +501,13 @@ static int __ptmx_open(struct inode *inode, struct file *filp) return index; mutex_lock(&tty_mutex); - retval = tty_init_dev(ptm_driver, index, &tty, 1); + tty = tty_init_dev(ptm_driver, index, 1); mutex_unlock(&tty_mutex); - if (retval) + if (IS_ERR(tty)) { + retval = PTR_ERR(tty); goto out; + } set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ filp->private_data = tty; diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 888380f573dc..b0ad4880c3a8 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1324,35 +1324,32 @@ static int tty_reopen(struct tty_struct *tty) * relaxed for the (most common) case of reopening a tty. */ -int tty_init_dev(struct tty_driver *driver, int idx, - struct tty_struct **ret_tty, int first_ok) +struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, + int first_ok) { struct tty_struct *tty, *o_tty; struct ktermios *tp, **tp_loc, *o_tp, **o_tp_loc; struct ktermios *ltp, **ltp_loc, *o_ltp, **o_ltp_loc; - int retval = 0; + int retval; /* check whether we're reopening an existing tty */ tty = tty_driver_lookup_tty(driver, idx); - if (IS_ERR(tty)) { - retval = PTR_ERR(tty); - goto end_init; - } + + if (IS_ERR(tty)) + return tty; if (tty) { retval = tty_reopen(tty); if (retval) - return retval; - *ret_tty = tty; - return 0; + return ERR_PTR(retval); + return tty; } /* Check if pty master is being opened multiple times */ if (driver->subtype == PTY_TYPE_MASTER && - (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) { - retval = -EIO; - goto end_init; - } + (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) + return ERR_PTR(-EIO); + /* * First time open is complex, especially for PTY devices. * This code guarantees that either everything succeeds and the @@ -1361,10 +1358,8 @@ int tty_init_dev(struct tty_driver *driver, int idx, * and locked termios may be retained.) */ - if (!try_module_get(driver->owner)) { - retval = -ENODEV; - goto end_init; - } + if (!try_module_get(driver->owner)) + return ERR_PTR(-ENODEV); o_tty = NULL; tp = o_tp = NULL; @@ -1475,7 +1470,8 @@ int tty_init_dev(struct tty_driver *driver, int idx, tty_driver_kref_get(driver); tty->count++; - if (tty_driver_install_tty(driver, tty) < 0) + retval = tty_driver_install_tty(driver, tty); + if (retval < 0) goto release_mem_out; /* @@ -1485,14 +1481,9 @@ int tty_init_dev(struct tty_driver *driver, int idx, */ retval = tty_ldisc_setup(tty, o_tty); - if (retval) goto release_mem_out; - - *ret_tty = tty; - /* All paths come through here to release the mutex */ -end_init: - return retval; + return tty; /* Release locally allocated memory ... nothing placed in slots */ free_mem_out: @@ -1507,8 +1498,7 @@ free_mem_out: fail_no_mem: module_put(driver->owner); - retval = -ENOMEM; - goto end_init; + return ERR_PTR(-ENOMEM); /* call the tty release_tty routine to clean out this slot */ release_mem_out: @@ -1516,7 +1506,7 @@ release_mem_out: printk(KERN_INFO "tty_init_dev: ldisc open failed, " "clearing slot %d\n", idx); release_tty(tty, idx); - goto end_init; + return ERR_PTR(retval); } void tty_free_termios(struct tty_struct *tty) @@ -1925,11 +1915,11 @@ retry_open: return -ENODEV; } got_driver: - retval = tty_init_dev(driver, index, &tty, 0); + tty = tty_init_dev(driver, index, 0); mutex_unlock(&tty_mutex); tty_driver_kref_put(driver); - if (retval) - return retval; + if (IS_ERR(tty)) + return PTR_ERR(tty); filp->private_data = tty; file_move(filp, &tty->tty_files); diff --git a/include/linux/tty.h b/include/linux/tty.h index 6cc7ccc93c69..54523a37e956 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -401,8 +401,8 @@ extern dev_t tty_devnum(struct tty_struct *tty); extern void proc_clear_tty(struct task_struct *p); extern struct tty_struct *get_current_tty(void); extern void tty_default_fops(struct file_operations *fops); -extern int tty_init_dev(struct tty_driver *driver, int idx, - struct tty_struct **ret_tty, int first_ok); +extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, + int first_ok); extern void tty_release_dev(struct file *filp); extern struct mutex tty_mutex; -- GitLab From bf970ee46e0fb363c8df4393229121d54330a98e Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:42:39 +0100 Subject: [PATCH 4380/6244] tty: extract the pty init time special cases The majority of the remaining init_dev code is pty special cases. We refactor this code into the driver->install method. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 126 ++++++++++++++++++++++++--- drivers/char/tty_io.c | 198 +++++++++++++++--------------------------- include/linux/tty.h | 5 ++ 3 files changed, 187 insertions(+), 142 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index c98450023030..c5a192dd00db 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -227,7 +227,58 @@ static void pty_set_termios(struct tty_struct *tty, struct ktermios *old_termios tty->termios->c_cflag |= (CS8 | CREAD); } +static int pty_install(struct tty_driver *driver, struct tty_struct *tty) +{ + struct tty_struct *o_tty; + int idx = tty->index; + int retval; + + o_tty = alloc_tty_struct(); + if (!o_tty) + return -ENOMEM; + if (!try_module_get(driver->other->owner)) { + /* This cannot in fact currently happen */ + free_tty_struct(o_tty); + return -ENOMEM; + } + initialize_tty_struct(o_tty, driver->other, idx); + + /* We always use new tty termios data so we can do this + the easy way .. */ + retval = tty_init_termios(tty); + if (retval) + goto free_mem_out; + + retval = tty_init_termios(o_tty); + if (retval) { + tty_free_termios(tty); + goto free_mem_out; + } + + /* + * Everything allocated ... set up the o_tty structure. + */ + driver->other->ttys[idx] = o_tty; + tty_driver_kref_get(driver->other); + if (driver->subtype == PTY_TYPE_MASTER) + o_tty->count++; + /* Establish the links in both directions */ + tty->link = o_tty; + o_tty->link = tty; + + tty_driver_kref_get(driver); + tty->count++; + driver->ttys[idx] = tty; + return 0; +free_mem_out: + module_put(o_tty->driver->owner); + free_tty_struct(o_tty); + return -ENOMEM; +} + + static const struct tty_operations pty_ops = { + .install = pty_install, .open = pty_open, .close = pty_close, .write = pty_write, @@ -332,6 +383,7 @@ static inline void legacy_pty_init(void) { } int pty_limit = NR_UNIX98_PTY_DEFAULT; static int pty_limit_min = 0; static int pty_limit_max = NR_UNIX98_PTY_MAX; +static int pty_count = 0; static struct cdev ptmx_cdev; @@ -351,6 +403,7 @@ static struct ctl_table pty_table[] = { .procname = "nr", .maxlen = sizeof(int), .mode = 0444, + .data = &pty_count, .proc_handler = &proc_dointvec, }, { .ctl_name = 0 @@ -426,7 +479,7 @@ static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, int idx) return tty; } -static void pty_shutdown(struct tty_struct *tty) +static void pty_unix98_shutdown(struct tty_struct *tty) { /* We have our own method as we don't use the tty index */ kfree(tty->termios); @@ -436,19 +489,71 @@ static void pty_shutdown(struct tty_struct *tty) /* We have no need to install and remove our tty objects as devpts does all the work for us */ -static int pty_install(struct tty_driver *driver, struct tty_struct *tty) +static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) { + struct tty_struct *o_tty; + int idx = tty->index; + + o_tty = alloc_tty_struct(); + if (!o_tty) + return -ENOMEM; + if (!try_module_get(driver->other->owner)) { + /* This cannot in fact currently happen */ + free_tty_struct(o_tty); + return -ENOMEM; + } + initialize_tty_struct(o_tty, driver->other, idx); + + tty->termios = kmalloc(sizeof(struct ktermios), GFP_KERNEL); + if (tty->termios == NULL) + goto free_mem_out; + *tty->termios = driver->init_termios; + tty->termios_locked = kzalloc(sizeof(struct ktermios), GFP_KERNEL); + if (tty->termios_locked == NULL) + goto free_mem_out; + o_tty->termios = kmalloc(sizeof(struct ktermios), GFP_KERNEL); + if (o_tty->termios == NULL) + goto free_mem_out; + *o_tty->termios = driver->other->init_termios; + o_tty->termios_locked = kzalloc(sizeof(struct ktermios), GFP_KERNEL); + if (o_tty->termios_locked == NULL) + goto free_mem_out; + + tty_driver_kref_get(driver->other); + if (driver->subtype == PTY_TYPE_MASTER) + o_tty->count++; + /* Establish the links in both directions */ + tty->link = o_tty; + o_tty->link = tty; + /* + * All structures have been allocated, so now we install them. + * Failures after this point use release_tty to clean up, so + * there's no need to null out the local pointers. + */ + tty_driver_kref_get(driver); + tty->count++; + pty_count++; return 0; +free_mem_out: + kfree(o_tty->termios); + module_put(o_tty->driver->owner); + free_tty_struct(o_tty); + kfree(tty->termios_locked); + kfree(tty->termios); + free_tty_struct(tty); + module_put(driver->owner); + return -ENOMEM; } -static void pty_remove(struct tty_driver *driver, struct tty_struct *tty) +static void pty_unix98_remove(struct tty_driver *driver, struct tty_struct *tty) { + pty_count--; } static const struct tty_operations ptm_unix98_ops = { .lookup = ptm_unix98_lookup, - .install = pty_install, - .remove = pty_remove, + .install = pty_unix98_install, + .remove = pty_unix98_remove, .open = pty_open, .close = pty_close, .write = pty_write, @@ -458,13 +563,13 @@ static const struct tty_operations ptm_unix98_ops = { .unthrottle = pty_unthrottle, .set_termios = pty_set_termios, .ioctl = pty_unix98_ioctl, - .shutdown = pty_shutdown + .shutdown = pty_unix98_shutdown }; static const struct tty_operations pty_unix98_ops = { .lookup = pts_unix98_lookup, - .install = pty_install, - .remove = pty_remove, + .install = pty_unix98_install, + .remove = pty_unix98_remove, .open = pty_open, .close = pty_close, .write = pty_write, @@ -473,6 +578,7 @@ static const struct tty_operations pty_unix98_ops = { .chars_in_buffer = pty_chars_in_buffer, .unthrottle = pty_unthrottle, .set_termios = pty_set_termios, + .shutdown = pty_unix98_shutdown }; /** @@ -589,10 +695,6 @@ static void __init unix98_pty_init(void) if (tty_register_driver(pts_driver)) panic("Couldn't register Unix98 pts driver"); - /* FIXME: WTF */ -#if 0 - pty_table[1].data = &ptm_driver->refcount; -#endif register_sysctl_table(pty_root_table); /* Now create the /dev/ptmx special device */ diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index b0ad4880c3a8..e881e9ed08de 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -136,8 +136,6 @@ LIST_HEAD(tty_drivers); /* linked list of tty drivers */ DEFINE_MUTEX(tty_mutex); EXPORT_SYMBOL(tty_mutex); -static void initialize_tty_struct(struct tty_struct *tty); - static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); static ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *); ssize_t redirected_tty_write(struct file *, const char __user *, @@ -166,7 +164,7 @@ static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); * Locking: none */ -static struct tty_struct *alloc_tty_struct(void) +struct tty_struct *alloc_tty_struct(void) { return kzalloc(sizeof(struct tty_struct), GFP_KERNEL); } @@ -180,7 +178,7 @@ static struct tty_struct *alloc_tty_struct(void) * Locking: none. Must be called after tty is definitely unused */ -static inline void free_tty_struct(struct tty_struct *tty) +void free_tty_struct(struct tty_struct *tty) { kfree(tty->write_buf); tty_buffer_free_all(tty); @@ -1226,23 +1224,71 @@ struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int idx) return tty; } +/** + * tty_init_termios - helper for termios setup + * @tty: the tty to set up + * + * Initialise the termios structures for this tty. Thus runs under + * the tty_mutex currently so we can be relaxed about ordering. + */ + +int tty_init_termios(struct tty_struct *tty) +{ + struct ktermios *tp, *ltp; + int idx = tty->index; + + tp = tty->driver->termios[idx]; + ltp = tty->driver->termios_locked[idx]; + if (tp == NULL) { + WARN_ON(ltp != NULL); + tp = kmalloc(sizeof(struct ktermios), GFP_KERNEL); + ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL); + if (tp == NULL || ltp == NULL) { + kfree(tp); + kfree(ltp); + return -ENOMEM; + } + memcpy(tp, &tty->driver->init_termios, + sizeof(struct ktermios)); + tty->driver->termios[idx] = tp; + tty->driver->termios_locked[idx] = ltp; + } + tty->termios = tp; + tty->termios_locked = ltp; + + /* Compatibility until drivers always set this */ + tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); + tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios); + return 0; +} + /** * tty_driver_install_tty() - install a tty entry in the driver * @driver: the driver for the tty * @tty: the tty * * Install a tty object into the driver tables. The tty->index field - * will be set by the time this is called. + * will be set by the time this is called. This method is responsible + * for ensuring any need additional structures are allocated and + * configured. * * Locking: tty_mutex for now */ static int tty_driver_install_tty(struct tty_driver *driver, struct tty_struct *tty) { + int idx = tty->index; + if (driver->ops->install) return driver->ops->install(driver, tty); - driver->ttys[tty->index] = tty; - return 0; + + if (tty_init_termios(tty) == 0) { + tty_driver_kref_get(driver); + tty->count++; + driver->ttys[idx] = tty; + return 0; + } + return -ENOMEM; } /** @@ -1327,9 +1373,7 @@ static int tty_reopen(struct tty_struct *tty) struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, int first_ok) { - struct tty_struct *tty, *o_tty; - struct ktermios *tp, **tp_loc, *o_tp, **o_tp_loc; - struct ktermios *ltp, **ltp_loc, *o_ltp, **o_ltp_loc; + struct tty_struct *tty; int retval; /* check whether we're reopening an existing tty */ @@ -1361,118 +1405,17 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, if (!try_module_get(driver->owner)) return ERR_PTR(-ENODEV); - o_tty = NULL; - tp = o_tp = NULL; - ltp = o_ltp = NULL; - tty = alloc_tty_struct(); if (!tty) goto fail_no_mem; - initialize_tty_struct(tty); - tty->driver = driver; - tty->ops = driver->ops; - tty->index = idx; - tty_line_name(driver, idx, tty->name); - - if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { - tp_loc = &tty->termios; - ltp_loc = &tty->termios_locked; - } else { - tp_loc = &driver->termios[idx]; - ltp_loc = &driver->termios_locked[idx]; - } - - if (!*tp_loc) { - tp = kmalloc(sizeof(struct ktermios), GFP_KERNEL); - if (!tp) - goto free_mem_out; - *tp = driver->init_termios; - } - - if (!*ltp_loc) { - ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL); - if (!ltp) - goto free_mem_out; - } - - if (driver->type == TTY_DRIVER_TYPE_PTY) { - o_tty = alloc_tty_struct(); - if (!o_tty) - goto free_mem_out; - if (!try_module_get(driver->other->owner)) { - /* This cannot in fact currently happen */ - free_tty_struct(o_tty); - o_tty = NULL; - goto free_mem_out; - } - initialize_tty_struct(o_tty); - o_tty->driver = driver->other; - o_tty->ops = driver->ops; - o_tty->index = idx; - tty_line_name(driver->other, idx, o_tty->name); - - if (driver->flags & TTY_DRIVER_DEVPTS_MEM) { - o_tp_loc = &o_tty->termios; - o_ltp_loc = &o_tty->termios_locked; - } else { - o_tp_loc = &driver->other->termios[idx]; - o_ltp_loc = &driver->other->termios_locked[idx]; - } - - if (!*o_tp_loc) { - o_tp = kmalloc(sizeof(struct ktermios), GFP_KERNEL); - if (!o_tp) - goto free_mem_out; - *o_tp = driver->other->init_termios; - } - - if (!*o_ltp_loc) { - o_ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL); - if (!o_ltp) - goto free_mem_out; - } - - /* - * Everything allocated ... set up the o_tty structure. - */ - if (!(driver->other->flags & TTY_DRIVER_DEVPTS_MEM)) - driver->other->ttys[idx] = o_tty; - if (!*o_tp_loc) - *o_tp_loc = o_tp; - if (!*o_ltp_loc) - *o_ltp_loc = o_ltp; - o_tty->termios = *o_tp_loc; - o_tty->termios_locked = *o_ltp_loc; - tty_driver_kref_get(driver->other); - if (driver->subtype == PTY_TYPE_MASTER) - o_tty->count++; - - /* Establish the links in both directions */ - tty->link = o_tty; - o_tty->link = tty; - } - - /* - * All structures have been allocated, so now we install them. - * Failures after this point use release_tty to clean up, so - * there's no need to null out the local pointers. - */ - - if (!*tp_loc) - *tp_loc = tp; - if (!*ltp_loc) - *ltp_loc = ltp; - tty->termios = *tp_loc; - tty->termios_locked = *ltp_loc; - /* Compatibility until drivers always set this */ - tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); - tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios); - tty_driver_kref_get(driver); - tty->count++; + initialize_tty_struct(tty, driver, idx); retval = tty_driver_install_tty(driver, tty); - if (retval < 0) - goto release_mem_out; + if (retval < 0) { + free_tty_struct(tty); + module_put(driver->owner); + return ERR_PTR(retval); + } /* * Structures all installed ... call the ldisc open routines. @@ -1480,22 +1423,11 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, * to decrement the use counts, as release_tty doesn't care. */ - retval = tty_ldisc_setup(tty, o_tty); + retval = tty_ldisc_setup(tty, tty->link); if (retval) goto release_mem_out; return tty; - /* Release locally allocated memory ... nothing placed in slots */ -free_mem_out: - kfree(o_tp); - if (o_tty) { - module_put(o_tty->driver->owner); - free_tty_struct(o_tty); - } - kfree(ltp); - kfree(tp); - free_tty_struct(tty); - fail_no_mem: module_put(driver->owner); return ERR_PTR(-ENOMEM); @@ -2852,7 +2784,8 @@ EXPORT_SYMBOL(do_SAK); * Locking: none - tty in question must not be exposed at this point */ -static void initialize_tty_struct(struct tty_struct *tty) +void initialize_tty_struct(struct tty_struct *tty, + struct tty_driver *driver, int idx) { memset(tty, 0, sizeof(struct tty_struct)); kref_init(&tty->kref); @@ -2873,6 +2806,11 @@ static void initialize_tty_struct(struct tty_struct *tty) spin_lock_init(&tty->ctrl_lock); INIT_LIST_HEAD(&tty->tty_files); INIT_WORK(&tty->SAK_work, do_SAK_work); + + tty->driver = driver; + tty->ops = driver->ops; + tty->index = idx; + tty_line_name(driver, idx, tty->name); } /** diff --git a/include/linux/tty.h b/include/linux/tty.h index 54523a37e956..3c7c75794a4a 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -401,9 +401,14 @@ extern dev_t tty_devnum(struct tty_struct *tty); extern void proc_clear_tty(struct task_struct *p); extern struct tty_struct *get_current_tty(void); extern void tty_default_fops(struct file_operations *fops); +extern struct tty_struct *alloc_tty_struct(void); +extern void free_tty_struct(struct tty_struct *tty); +extern void initialize_tty_struct(struct tty_struct *tty, + struct tty_driver *driver, int idx); extern struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, int first_ok); extern void tty_release_dev(struct file *filp); +extern int tty_init_termios(struct tty_struct *tty); extern struct mutex tty_mutex; -- GitLab From 4a2b5fddd53b80efcb3266ee36e23b8de28e761a Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:42:49 +0100 Subject: [PATCH 4381/6244] Move tty lookup/reopen to caller Move tty_driver_lookup_tty() and tty_reopen() from tty_init_dev() into tty_open() (one of the two callers of tty_init_dev()). These calls are not really required in ptmx_open(), the other caller, since ptmx_open() would be setting up a new tty. Changelog[v2]: - remove the lookup and reopen calls from ptmx_open - merge with recent changes to ttydev tree Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e881e9ed08de..36098ee8fe65 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1376,19 +1376,6 @@ struct tty_struct *tty_init_dev(struct tty_driver *driver, int idx, struct tty_struct *tty; int retval; - /* check whether we're reopening an existing tty */ - tty = tty_driver_lookup_tty(driver, idx); - - if (IS_ERR(tty)) - return tty; - - if (tty) { - retval = tty_reopen(tty); - if (retval) - return ERR_PTR(retval); - return tty; - } - /* Check if pty master is being opened multiple times */ if (driver->subtype == PTY_TYPE_MASTER && (driver->flags & TTY_DRIVER_DEVPTS_MEM) && !first_ok) @@ -1790,7 +1777,7 @@ void tty_release_dev(struct file *filp) static int __tty_open(struct inode *inode, struct file *filp) { - struct tty_struct *tty; + struct tty_struct *tty = NULL; int noctty, retval; struct tty_driver *driver; int index; @@ -1847,7 +1834,21 @@ retry_open: return -ENODEV; } got_driver: - tty = tty_init_dev(driver, index, 0); + if (!tty) { + /* check whether we're reopening an existing tty */ + tty = tty_driver_lookup_tty(driver, index); + + if (IS_ERR(tty)) + return PTR_ERR(tty); + } + + if (tty) { + retval = tty_reopen(tty); + if (retval) + tty = ERR_PTR(retval); + } else + tty = tty_init_dev(driver, index, 0); + mutex_unlock(&tty_mutex); tty_driver_kref_put(driver); if (IS_ERR(tty)) -- GitLab From 15f1a6338ddd4e69fff965d4b3a0e1bfb7a13d9c Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:42:59 +0100 Subject: [PATCH 4382/6244] Add an instance parameter devpts interfaces Pass-in 'inode' or 'tty' parameter to devpts interfaces. With multiple devpts instances, these parameters will be used in subsequent patches to identify the instance of devpts mounted. The parameters also help simplify devpts implementation. Changelog[v3]: - minor changes due to merge with ttydev updates - rename parameters to emphasize they are ptmx or pts inodes - pass-in tty_struct * to devpts_pty_kill() (this will help cleanup the get_node() call in a subsequent patch) Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 18 ++++++++++-------- drivers/char/tty_io.c | 14 ++++++++------ fs/devpts/inode.c | 11 ++++++----- include/linux/devpts_fs.h | 31 +++++++++++++++++++++---------- include/linux/tty_driver.h | 3 ++- 5 files changed, 47 insertions(+), 30 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index c5a192dd00db..a391badef52a 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -60,7 +60,7 @@ static void pty_close(struct tty_struct * tty, struct file * filp) set_bit(TTY_OTHER_CLOSED, &tty->flags); #ifdef CONFIG_UNIX98_PTYS if (tty->driver == ptm_driver) - devpts_pty_kill(tty->index); + devpts_pty_kill(tty->link); #endif tty_vhangup(tty->link); } @@ -453,9 +453,10 @@ static int pty_unix98_ioctl(struct tty_struct *tty, struct file *file, * This provides our locking. */ -static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, int idx) +static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, + struct inode *ptm_inode, int idx) { - struct tty_struct *tty = devpts_get_tty(idx); + struct tty_struct *tty = devpts_get_tty(ptm_inode, idx); if (tty) tty = tty->link; return tty; @@ -470,9 +471,10 @@ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, int idx) * This provides our locking. */ -static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, int idx) +static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, + struct inode *pts_inode, int idx) { - struct tty_struct *tty = devpts_get_tty(idx); + struct tty_struct *tty = devpts_get_tty(pts_inode, idx); /* Master must be open before slave */ if (!tty) return ERR_PTR(-EIO); @@ -602,7 +604,7 @@ static int __ptmx_open(struct inode *inode, struct file *filp) nonseekable_open(inode, filp); /* find a device that is not in use. */ - index = devpts_new_index(); + index = devpts_new_index(inode); if (index < 0) return index; @@ -619,7 +621,7 @@ static int __ptmx_open(struct inode *inode, struct file *filp) filp->private_data = tty; file_move(filp, &tty->tty_files); - retval = devpts_pty_new(tty->link); + retval = devpts_pty_new(inode, tty->link); if (retval) goto out1; @@ -630,7 +632,7 @@ out1: tty_release_dev(filp); return retval; out: - devpts_kill_index(index); + devpts_kill_index(inode, index); return retval; } diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 36098ee8fe65..959083961024 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1213,12 +1213,13 @@ static void tty_line_name(struct tty_driver *driver, int index, char *p) * be held until the 'fast-open' is also done. Will change once we * have refcounting in the driver and per driver locking */ -struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int idx) +struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, + struct inode *inode, int idx) { struct tty_struct *tty; if (driver->ops->lookup) - return driver->ops->lookup(driver, idx); + return driver->ops->lookup(driver, inode, idx); tty = driver->ttys[idx]; return tty; @@ -1539,10 +1540,11 @@ void tty_release_dev(struct file *filp) int devpts; int idx; char buf[64]; + struct inode *inode; + inode = filp->f_path.dentry->d_inode; tty = (struct tty_struct *)filp->private_data; - if (tty_paranoia_check(tty, filp->f_path.dentry->d_inode, - "tty_release_dev")) + if (tty_paranoia_check(tty, inode, "tty_release_dev")) return; check_tty_count(tty, "tty_release_dev"); @@ -1751,7 +1753,7 @@ void tty_release_dev(struct file *filp) /* Make this pty number available for reallocation */ if (devpts) - devpts_kill_index(idx); + devpts_kill_index(inode, idx); } /** @@ -1836,7 +1838,7 @@ retry_open: got_driver: if (!tty) { /* check whether we're reopening an existing tty */ - tty = tty_driver_lookup_tty(driver, index); + tty = tty_driver_lookup_tty(driver, inode, index); if (IS_ERR(tty)) return PTR_ERR(tty); diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 488eb424f662..638db9b769ac 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -177,7 +177,7 @@ static struct dentry *get_node(int num) return lookup_one_len(s, root, sprintf(s, "%d", num)); } -int devpts_new_index(void) +int devpts_new_index(struct inode *ptmx_inode) { int index; int ida_ret; @@ -205,14 +205,14 @@ retry: return index; } -void devpts_kill_index(int idx) +void devpts_kill_index(struct inode *ptmx_inode, int idx) { mutex_lock(&allocated_ptys_lock); ida_remove(&allocated_ptys, idx); mutex_unlock(&allocated_ptys_lock); } -int devpts_pty_new(struct tty_struct *tty) +int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty) { int number = tty->index; /* tty layer puts index from devpts_new_index() in here */ struct tty_driver *driver = tty->driver; @@ -245,7 +245,7 @@ int devpts_pty_new(struct tty_struct *tty) return 0; } -struct tty_struct *devpts_get_tty(int number) +struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number) { struct dentry *dentry = get_node(number); struct tty_struct *tty; @@ -262,8 +262,9 @@ struct tty_struct *devpts_get_tty(int number) return tty; } -void devpts_pty_kill(int number) +void devpts_pty_kill(struct tty_struct *tty) { + int number = tty->index; struct dentry *dentry = get_node(number); if (!IS_ERR(dentry)) { diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h index 154769cad3f3..5ce0e5fd712e 100644 --- a/include/linux/devpts_fs.h +++ b/include/linux/devpts_fs.h @@ -17,20 +17,31 @@ #ifdef CONFIG_UNIX98_PTYS -int devpts_new_index(void); -void devpts_kill_index(int idx); -int devpts_pty_new(struct tty_struct *tty); /* mknod in devpts */ -struct tty_struct *devpts_get_tty(int number); /* get tty structure */ -void devpts_pty_kill(int number); /* unlink */ +int devpts_new_index(struct inode *ptmx_inode); +void devpts_kill_index(struct inode *ptmx_inode, int idx); +/* mknod in devpts */ +int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty); +/* get tty structure */ +struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number); +/* unlink */ +void devpts_pty_kill(struct tty_struct *tty); #else /* Dummy stubs in the no-pty case */ -static inline int devpts_new_index(void) { return -EINVAL; } -static inline void devpts_kill_index(int idx) { } -static inline int devpts_pty_new(struct tty_struct *tty) { return -EINVAL; } -static inline struct tty_struct *devpts_get_tty(int number) { return NULL; } -static inline void devpts_pty_kill(int number) { } +static inline int devpts_new_index(struct inode *ptmx_inode) { return -EINVAL; } +static inline void devpts_kill_index(struct inode *ptmx_inode, int idx) { } +static inline int devpts_pty_new(struct inode *ptmx_inode, + struct tty_struct *tty) +{ + return -EINVAL; +} +static inline struct tty_struct *devpts_get_tty(struct inode *pts_inode, + int number) +{ + return NULL; +} +static inline void devpts_pty_kill(struct tty_struct *tty) { } #endif diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 005d06ad46a6..78416b901589 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -225,7 +225,8 @@ struct tty_struct; struct tty_driver; struct tty_operations { - struct tty_struct * (*lookup)(struct tty_driver *driver, int idx); + struct tty_struct * (*lookup)(struct tty_driver *driver, + struct inode *inode, int idx); int (*install)(struct tty_driver *driver, struct tty_struct *tty); void (*remove)(struct tty_driver *driver, struct tty_struct *tty); int (*open)(struct tty_struct * tty, struct file * filp); -- GitLab From 527b3e4773628b30d03323a2cb5fb0d84441990f Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:43:08 +0100 Subject: [PATCH 4383/6244] Simplify devpts_get_tty() As pointed out by H. Peter Anvin, since the inode for the pty is known, we don't need to look it up. Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- fs/devpts/inode.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 638db9b769ac..b292ed7ff1ca 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -27,6 +27,7 @@ #define DEVPTS_SUPER_MAGIC 0x1cd1 #define DEVPTS_DEFAULT_MODE 0600 +#define PTMX_MINOR 2 extern int pty_limit; /* Config limit on Unix98 ptys */ static DEFINE_IDA(allocated_ptys); @@ -247,19 +248,11 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty) struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number) { - struct dentry *dentry = get_node(number); - struct tty_struct *tty; - - tty = NULL; - if (!IS_ERR(dentry)) { - if (dentry->d_inode) - tty = dentry->d_inode->i_private; - dput(dentry); - } - - mutex_unlock(&devpts_root->d_inode->i_mutex); + BUG_ON(pts_inode->i_rdev == MKDEV(TTYAUX_MAJOR, PTMX_MINOR)); - return tty; + if (pts_inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) + return (struct tty_struct *)pts_inode->i_private; + return NULL; } void devpts_pty_kill(struct tty_struct *tty) -- GitLab From 89a52e109e2e2fe8bbd4e316cdb910774519c029 Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:43:18 +0100 Subject: [PATCH 4384/6244] Simplify devpts_pty_new() devpts_pty_new() is called when setting up a new pty and would not will not have an existing dentry or inode for the pty. So don't bother looking for an existing dentry - just create a new one. Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- fs/devpts/inode.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index b292ed7ff1ca..50e885f84bb0 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -220,6 +220,7 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty) dev_t device = MKDEV(driver->major, driver->minor_start+number); struct dentry *dentry; struct inode *inode = new_inode(devpts_mnt->mnt_sb); + char s[12]; /* We're supposed to be given the slave end of a pty */ BUG_ON(driver->type != TTY_DRIVER_TYPE_PTY); @@ -235,9 +236,13 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty) init_special_inode(inode, S_IFCHR|config.mode, device); inode->i_private = tty; - dentry = get_node(number); - if (!IS_ERR(dentry) && !dentry->d_inode) { - d_instantiate(dentry, inode); + sprintf(s, "%d", number); + + mutex_lock(&devpts_root->d_inode->i_mutex); + + dentry = d_alloc_name(devpts_root, s); + if (!IS_ERR(dentry)) { + d_add(dentry, inode); fsnotify_create(devpts_root->d_inode, dentry); } -- GitLab From a6f37daa8b892fd29dd71be0de61460a478cb122 Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Mon, 13 Oct 2008 10:43:27 +0100 Subject: [PATCH 4385/6244] Simplify devpts_pty_kill When creating a new pty, save the pty's inode in the tty->driver_data. Use this inode in pty_kill() to identify the devpts instance. Since we now have the inode for the pty, we can skip get_node() lookup and remove the unused get_node(). TODO: - check if the mutex_lock is needed in pty_kill(). Signed-off-by: Sukadev Bhattiprolu Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- fs/devpts/inode.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 50e885f84bb0..a70d5d0890c7 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -170,14 +170,6 @@ static struct file_system_type devpts_fs_type = { * to the System V naming convention */ -static struct dentry *get_node(int num) -{ - char s[12]; - struct dentry *root = devpts_root; - mutex_lock(&root->d_inode->i_mutex); - return lookup_one_len(s, root, sprintf(s, "%d", num)); -} - int devpts_new_index(struct inode *ptmx_inode) { int index; @@ -235,6 +227,7 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty) inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; init_special_inode(inode, S_IFCHR|config.mode, device); inode->i_private = tty; + tty->driver_data = inode; sprintf(s, "%d", number); @@ -262,18 +255,20 @@ struct tty_struct *devpts_get_tty(struct inode *pts_inode, int number) void devpts_pty_kill(struct tty_struct *tty) { - int number = tty->index; - struct dentry *dentry = get_node(number); + struct inode *inode = tty->driver_data; + struct dentry *dentry; - if (!IS_ERR(dentry)) { - struct inode *inode = dentry->d_inode; - if (inode) { - inode->i_nlink--; - d_delete(dentry); - dput(dentry); - } + BUG_ON(inode->i_rdev == MKDEV(TTYAUX_MAJOR, PTMX_MINOR)); + + mutex_lock(&devpts_root->d_inode->i_mutex); + + dentry = d_find_alias(inode); + if (dentry && !IS_ERR(dentry)) { + inode->i_nlink--; + d_delete(dentry); dput(dentry); } + mutex_unlock(&devpts_root->d_inode->i_mutex); } -- GitLab From fe9cd962a62cb5f666cf48b9941d3f3cde134254 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:43:38 +0100 Subject: [PATCH 4386/6244] pty: Coding style and polish We've done the heavy lifting now its time to mop up a bit Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 86 ++++++++++++++++++++++++---------------------- 1 file changed, 44 insertions(+), 42 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index a391badef52a..c3ab8c3110c9 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -8,10 +8,12 @@ * Added TTY_DO_WRITE_WAKEUP to enable n_tty to send POLL_OUT to * waiting writers -- Sapan Bhatia * - * + * When reading this code see also fs/devpts. In particular note that the + * driver_data field is used by the devpts side as a binding to the devpts + * inode. */ -#include /* For EXPORT_SYMBOL */ +#include #include #include @@ -24,26 +26,24 @@ #include #include #include - -#include -#include +#include #include #include +#include + /* These are global because they are accessed in tty_io.c */ #ifdef CONFIG_UNIX98_PTYS struct tty_driver *ptm_driver; static struct tty_driver *pts_driver; #endif -static void pty_close(struct tty_struct * tty, struct file * filp) +static void pty_close(struct tty_struct *tty, struct file *filp) { - if (!tty) - return; - if (tty->driver->subtype == PTY_TYPE_MASTER) { - if (tty->count > 1) - printk("master pty_close: count = %d!!\n", tty->count); - } else { + BUG_ON(!tty); + if (tty->driver->subtype == PTY_TYPE_MASTER) + WARN_ON(tty->count > 1); + else { if (tty->count > 2) return; } @@ -70,13 +70,13 @@ static void pty_close(struct tty_struct * tty, struct file * filp) * The unthrottle routine is called by the line discipline to signal * that it can receive more characters. For PTY's, the TTY_THROTTLED * flag is always set, to force the line discipline to always call the - * unthrottle routine when there are fewer than TTY_THRESHOLD_UNTHROTTLE + * unthrottle routine when there are fewer than TTY_THRESHOLD_UNTHROTTLE * characters in the queue. This is necessary since each time this * happens, we need to wake up any sleeping processes that could be * (1) trying to send data to the pty, or (2) waiting in wait_until_sent() * for the pty buffer to be drained. */ -static void pty_unthrottle(struct tty_struct * tty) +static void pty_unthrottle(struct tty_struct *tty) { struct tty_struct *o_tty = tty->link; @@ -88,7 +88,7 @@ static void pty_unthrottle(struct tty_struct * tty) } /* - * WSH 05/24/97: modified to + * WSH 05/24/97: modified to * (1) use space in tty->flip instead of a shared temp buffer * The flip buffers aren't being used for a pty, so there's lots * of space available. The buffer is protected by a per-pty @@ -101,7 +101,8 @@ static void pty_unthrottle(struct tty_struct * tty) * not our partners. We can't just take the other one blindly without * risking deadlocks. */ -static int pty_write(struct tty_struct * tty, const unsigned char *buf, int count) +static int pty_write(struct tty_struct *tty, const unsigned char *buf, + int count) { struct tty_struct *to = tty->link; int c; @@ -113,7 +114,7 @@ static int pty_write(struct tty_struct * tty, const unsigned char *buf, int coun if (c > count) c = count; to->ldisc.ops->receive_buf(to, buf, NULL, c); - + return c; } @@ -129,17 +130,17 @@ static int pty_write_room(struct tty_struct *tty) /* * WSH 05/24/97: Modified for asymmetric MASTER/SLAVE behavior - * The chars_in_buffer() value is used by the ldisc select() function + * The chars_in_buffer() value is used by the ldisc select() function * to hold off writing when chars_in_buffer > WAKEUP_CHARS (== 256). * The pty driver chars_in_buffer() Master/Slave must behave differently: * * The Master side needs to allow typed-ahead commands to accumulate * while being canonicalized, so we report "our buffer" as empty until * some threshold is reached, and then report the count. (Any count > - * WAKEUP_CHARS is regarded by select() as "full".) To avoid deadlock - * the count returned must be 0 if no canonical data is available to be + * WAKEUP_CHARS is regarded by select() as "full".) To avoid deadlock + * the count returned must be 0 if no canonical data is available to be * read. (The N_TTY ldisc.chars_in_buffer now knows this.) - * + * * The Slave side passes all characters in raw mode to the Master side's * buffer where they can be read immediately, so in this case we can * return the true count in the buffer. @@ -156,21 +157,22 @@ static int pty_chars_in_buffer(struct tty_struct *tty) /* The ldisc must report 0 if no characters available to be read */ count = to->ldisc.ops->chars_in_buffer(to); - if (tty->driver->subtype == PTY_TYPE_SLAVE) return count; + if (tty->driver->subtype == PTY_TYPE_SLAVE) + return count; - /* Master side driver ... if the other side's read buffer is less than + /* Master side driver ... if the other side's read buffer is less than * half full, return 0 to allow writers to proceed; otherwise return - * the count. This leaves a comfortable margin to avoid overflow, + * the count. This leaves a comfortable margin to avoid overflow, * and still allows half a buffer's worth of typed-ahead commands. */ - return ((count < N_TTY_BUF_SIZE/2) ? 0 : count); + return (count < N_TTY_BUF_SIZE/2) ? 0 : count; } /* Set the lock flag on a pty */ -static int pty_set_lock(struct tty_struct *tty, int __user * arg) +static int pty_set_lock(struct tty_struct *tty, int __user *arg) { int val; - if (get_user(val,arg)) + if (get_user(val, arg)) return -EFAULT; if (val) set_bit(TTY_PTY_LOCK, &tty->flags); @@ -183,13 +185,13 @@ static void pty_flush_buffer(struct tty_struct *tty) { struct tty_struct *to = tty->link; unsigned long flags; - + if (!to) return; - + if (to->ldisc.ops->flush_buffer) to->ldisc.ops->flush_buffer(to); - + if (to->packet) { spin_lock_irqsave(&tty->ctrl_lock, flags); tty->ctrl_status |= TIOCPKT_FLUSHWRITE; @@ -198,7 +200,7 @@ static void pty_flush_buffer(struct tty_struct *tty) } } -static int pty_open(struct tty_struct *tty, struct file * filp) +static int pty_open(struct tty_struct *tty, struct file *filp) { int retval = -ENODEV; @@ -221,10 +223,11 @@ out: return retval; } -static void pty_set_termios(struct tty_struct *tty, struct ktermios *old_termios) +static void pty_set_termios(struct tty_struct *tty, + struct ktermios *old_termios) { - tty->termios->c_cflag &= ~(CSIZE | PARENB); - tty->termios->c_cflag |= (CS8 | CREAD); + tty->termios->c_cflag &= ~(CSIZE | PARENB); + tty->termios->c_cflag |= (CS8 | CREAD); } static int pty_install(struct tty_driver *driver, struct tty_struct *tty) @@ -254,7 +257,7 @@ static int pty_install(struct tty_driver *driver, struct tty_struct *tty) tty_free_termios(tty); goto free_mem_out; } - + /* * Everything allocated ... set up the o_tty structure. */ @@ -381,9 +384,9 @@ static inline void legacy_pty_init(void) { } * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly. */ int pty_limit = NR_UNIX98_PTY_DEFAULT; -static int pty_limit_min = 0; +static int pty_limit_min; static int pty_limit_max = NR_UNIX98_PTY_MAX; -static int pty_count = 0; +static int pty_count; static struct cdev ptmx_cdev; @@ -537,11 +540,10 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) pty_count++; return 0; free_mem_out: - kfree(o_tty->termios); + pty_unix98_shutdown(o_tty); module_put(o_tty->driver->owner); free_tty_struct(o_tty); - kfree(tty->termios_locked); - kfree(tty->termios); + pty_unix98_shutdown(tty); free_tty_struct(tty); module_put(driver->owner); return -ENOMEM; @@ -691,13 +693,13 @@ static void __init unix98_pty_init(void) TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM; pts_driver->other = ptm_driver; tty_set_operations(pts_driver, &pty_unix98_ops); - + if (tty_register_driver(ptm_driver)) panic("Couldn't register Unix98 ptm driver"); if (tty_register_driver(pts_driver)) panic("Couldn't register Unix98 pts driver"); - register_sysctl_table(pty_root_table); + register_sysctl_table(pty_root_table); /* Now create the /dev/ptmx special device */ tty_default_fops(&ptmx_fops); -- GitLab From 335adde689150d2fcf4df3cb26a6fc6740ed1f3e Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:43:48 +0100 Subject: [PATCH 4387/6244] pty: Fix allocation failure double free The updating and moving around of the pty code added a bug where both the helper and caller free the main tty struct (the pty driver must free the o_tty pair itself however). Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index c3ab8c3110c9..3c6b7911665f 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -544,8 +544,6 @@ free_mem_out: module_put(o_tty->driver->owner); free_tty_struct(o_tty); pty_unix98_shutdown(tty); - free_tty_struct(tty); - module_put(driver->owner); return -ENOMEM; } -- GitLab From 8dff04ea316125639120c0a565ce0346b892fef7 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:43:58 +0100 Subject: [PATCH 4388/6244] pty: simplify unix98 allocation We need both termios and termios_locked so allocate them as one Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/pty.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 3c6b7911665f..6d4582712b1f 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -488,7 +488,6 @@ static void pty_unix98_shutdown(struct tty_struct *tty) { /* We have our own method as we don't use the tty index */ kfree(tty->termios); - kfree(tty->termios_locked); } /* We have no need to install and remove our tty objects as devpts does all @@ -509,20 +508,17 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) } initialize_tty_struct(o_tty, driver->other, idx); - tty->termios = kmalloc(sizeof(struct ktermios), GFP_KERNEL); + tty->termios = kzalloc(sizeof(struct ktermios[2]), GFP_KERNEL); if (tty->termios == NULL) goto free_mem_out; *tty->termios = driver->init_termios; - tty->termios_locked = kzalloc(sizeof(struct ktermios), GFP_KERNEL); - if (tty->termios_locked == NULL) - goto free_mem_out; - o_tty->termios = kmalloc(sizeof(struct ktermios), GFP_KERNEL); + tty->termios_locked = tty->termios + 1; + + o_tty->termios = kzalloc(sizeof(struct ktermios[2]), GFP_KERNEL); if (o_tty->termios == NULL) goto free_mem_out; *o_tty->termios = driver->other->init_termios; - o_tty->termios_locked = kzalloc(sizeof(struct ktermios), GFP_KERNEL); - if (o_tty->termios_locked == NULL) - goto free_mem_out; + o_tty->termios_locked = o_tty->termios + 1; tty_driver_kref_get(driver->other); if (driver->subtype == PTY_TYPE_MASTER) @@ -540,10 +536,10 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) pty_count++; return 0; free_mem_out: - pty_unix98_shutdown(o_tty); + kfree(o_tty->termios); module_put(o_tty->driver->owner); free_tty_struct(o_tty); - pty_unix98_shutdown(tty); + kfree(tty->termios); return -ENOMEM; } -- GitLab From fe6e29fdb1a7b94891bbdd3c67358fe4ed14639d Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:44:08 +0100 Subject: [PATCH 4389/6244] tty: simplify ktermios allocation Copy the simplification from the pty unix98 special case to the generic one. This allows us to kill off driver->termios_locked entirely which is nice. We have to whack bits of the cris driver as it meddles in places it shouldn't providing its own arrays that were never used anyway. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 46 ++++++---------------------------------- drivers/serial/crisv10.c | 3 --- 2 files changed, 7 insertions(+), 42 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 959083961024..502cad68f83c 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1235,27 +1235,20 @@ struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, int tty_init_termios(struct tty_struct *tty) { - struct ktermios *tp, *ltp; + struct ktermios *tp; int idx = tty->index; tp = tty->driver->termios[idx]; - ltp = tty->driver->termios_locked[idx]; if (tp == NULL) { - WARN_ON(ltp != NULL); - tp = kmalloc(sizeof(struct ktermios), GFP_KERNEL); - ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL); - if (tp == NULL || ltp == NULL) { - kfree(tp); - kfree(ltp); + tp = kzalloc(sizeof(struct ktermios[2]), GFP_KERNEL); + if (tp == NULL) return -ENOMEM; - } memcpy(tp, &tty->driver->init_termios, sizeof(struct ktermios)); tty->driver->termios[idx] = tp; - tty->driver->termios_locked[idx] = ltp; } tty->termios = tp; - tty->termios_locked = ltp; + tty->termios_locked = tp + 1; /* Compatibility until drivers always set this */ tty->termios->c_ispeed = tty_termios_input_baud_rate(tty->termios); @@ -1439,10 +1432,6 @@ void tty_free_termios(struct tty_struct *tty) tp = tty->termios; tty->driver->termios[idx] = NULL; kfree(tp); - - tp = tty->termios_locked; - tty->driver->termios_locked[idx] = NULL; - kfree(tp); } } EXPORT_SYMBOL(tty_free_termios); @@ -1575,12 +1564,6 @@ void tty_release_dev(struct file *filp) idx, tty->name); return; } - if (tty->termios_locked != tty->driver->termios_locked[idx]) { - printk(KERN_DEBUG "tty_release_dev: driver.termios_locked[%d] not " - "termios_locked for (%s)\n", - idx, tty->name); - return; - } } #endif @@ -1604,13 +1587,6 @@ void tty_release_dev(struct file *filp) idx, tty->name); return; } - if (o_tty->termios_locked != - tty->driver->other->termios_locked[idx]) { - printk(KERN_DEBUG "tty_release_dev: other->termios_locked[" - "%d] not o_termios_locked for (%s)\n", - idx, tty->name); - return; - } if (o_tty->link != tty) { printk(KERN_DEBUG "tty_release_dev: bad pty pointers\n"); return; @@ -2930,18 +2906,13 @@ static void destruct_tty_driver(struct kref *kref) driver->termios[i] = NULL; kfree(tp); } - tp = driver->termios_locked[i]; - if (tp) { - driver->termios_locked[i] = NULL; - kfree(tp); - } if (!(driver->flags & TTY_DRIVER_DYNAMIC_DEV)) tty_unregister_device(driver, i); } p = driver->ttys; proc_tty_unregister_driver(driver); driver->ttys = NULL; - driver->termios = driver->termios_locked = NULL; + driver->termios = NULL; kfree(p); cdev_del(&driver->cdev); } @@ -2978,7 +2949,7 @@ int tty_register_driver(struct tty_driver *driver) void **p = NULL; if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM) && driver->num) { - p = kzalloc(driver->num * 3 * sizeof(void *), GFP_KERNEL); + p = kzalloc(driver->num * 2 * sizeof(void *), GFP_KERNEL); if (!p) return -ENOMEM; } @@ -3002,12 +2973,9 @@ int tty_register_driver(struct tty_driver *driver) if (p) { driver->ttys = (struct tty_struct **)p; driver->termios = (struct ktermios **)(p + driver->num); - driver->termios_locked = (struct ktermios **) - (p + driver->num * 2); } else { driver->ttys = NULL; driver->termios = NULL; - driver->termios_locked = NULL; } cdev_init(&driver->cdev, &tty_fops); @@ -3016,7 +2984,7 @@ int tty_register_driver(struct tty_driver *driver) if (error) { unregister_chrdev_region(dev, driver->num); driver->ttys = NULL; - driver->termios = driver->termios_locked = NULL; + driver->termios = NULL; kfree(p); return error; } diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index a467c77d8a13..211c21797ce0 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -457,7 +457,6 @@ static struct e100_serial rs_table[] = { #define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial)) static struct ktermios *serial_termios[NR_PORTS]; -static struct ktermios *serial_termios_locked[NR_PORTS]; #ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER static struct fast_timer fast_timers[NR_PORTS]; #endif @@ -4448,8 +4447,6 @@ rs_init(void) driver->init_termios.c_ispeed = 115200; driver->init_termios.c_ospeed = 115200; driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; - driver->termios = serial_termios; - driver->termios_locked = serial_termios_locked; tty_set_operations(driver, &rs_ops); serial_driver = driver; -- GitLab From 47afa7a5a8a8fb9e60cdb6a3bd612e07c37e9d90 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:44:17 +0100 Subject: [PATCH 4390/6244] tty: some ICANON magic is in the wrong places Move the set up on ldisc change into the ldisc Move the INQ/OUTQ cases into the driver not in shared ioctl code where it gives bogus answers for other ldisc values Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/bluetooth/hci_ldisc.c | 2 +- drivers/char/n_hdlc.c | 2 +- drivers/char/n_tty.c | 53 +++++++++++++++++++++++++++++++++-- drivers/char/tty_ioctl.c | 42 ++------------------------- include/linux/tty.h | 2 +- 5 files changed, 56 insertions(+), 45 deletions(-) diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 8dfcf77cb717..4426bb552bd9 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -484,7 +484,7 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file, return -EUNATCH; default: - err = n_tty_ioctl(tty, file, cmd, arg); + err = n_tty_ioctl_helper(tty, file, cmd, arg); break; }; diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index 69ec6399c714..bacb3e2872ae 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -764,7 +764,7 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file, break; default: - error = n_tty_ioctl (tty, file, cmd, arg); + error = n_tty_ioctl_helper(tty, file, cmd, arg); break; } return error; diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 708c2b1dbe51..b4f5dccad2a6 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1011,8 +1011,20 @@ int is_ignored(int sig) static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) { - if (!tty) - return; + int canon_change = 1; + BUG_ON(!tty); + + if (old) + canon_change = (old->c_lflag ^ tty->termios->c_lflag) & ICANON; + if (canon_change) { + memset(&tty->read_flags, 0, sizeof tty->read_flags); + tty->canon_head = tty->read_tail; + tty->canon_data = 0; + tty->erasing = 0; + } + + if (canon_change && !L_ICANON(tty) && tty->read_cnt) + wake_up_interruptible(&tty->read_wait); tty->icanon = (L_ICANON(tty) != 0); if (test_bit(TTY_HW_COOK_IN, &tty->flags)) { @@ -1573,6 +1585,43 @@ static unsigned int normal_poll(struct tty_struct *tty, struct file *file, return mask; } +static unsigned long inq_canon(struct tty_struct *tty) +{ + int nr, head, tail; + + if (!tty->canon_data || !tty->read_buf) + return 0; + head = tty->canon_head; + tail = tty->read_tail; + nr = (head - tail) & (N_TTY_BUF_SIZE-1); + /* Skip EOF-chars.. */ + while (head != tail) { + if (test_bit(tail, tty->read_flags) && + tty->read_buf[tail] == __DISABLED_CHAR) + nr--; + tail = (tail+1) & (N_TTY_BUF_SIZE-1); + } + return nr; +} + +static int n_tty_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + int retval; + + switch (cmd) { + case TIOCOUTQ: + return put_user(tty_chars_in_buffer(tty), (int __user *) arg); + case TIOCINQ: + retval = tty->read_cnt; + if (L_ICANON(tty)) + retval = inq_canon(tty); + return put_user(retval, (unsigned int __user *) arg); + default: + return n_tty_ioctl_helper(tty, file, cmd, arg); + } +} + struct tty_ldisc_ops tty_ldisc_N_TTY = { .magic = TTY_LDISC_MAGIC, .name = "n_tty", diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index 14cc19c344cc..a408c8e487ec 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -489,7 +489,6 @@ EXPORT_SYMBOL(tty_termios_hw_change); static void change_termios(struct tty_struct *tty, struct ktermios *new_termios) { - int canon_change; struct ktermios old_termios; struct tty_ldisc *ld; unsigned long flags; @@ -505,18 +504,6 @@ static void change_termios(struct tty_struct *tty, struct ktermios *new_termios) old_termios = *tty->termios; *tty->termios = *new_termios; unset_locked_termios(tty->termios, &old_termios, tty->termios_locked); - canon_change = (old_termios.c_lflag ^ tty->termios->c_lflag) & ICANON; - if (canon_change) { - memset(&tty->read_flags, 0, sizeof tty->read_flags); - tty->canon_head = tty->read_tail; - tty->canon_data = 0; - tty->erasing = 0; - } - - /* This bit should be in the ldisc code */ - if (canon_change && !L_ICANON(tty) && tty->read_cnt) - /* Get characters left over from canonical mode. */ - wake_up_interruptible(&tty->read_wait); /* See if packet mode change of state. */ if (tty->link && tty->link->packet) { @@ -677,24 +664,6 @@ static int set_termiox(struct tty_struct *tty, void __user *arg, int opt) #endif -static unsigned long inq_canon(struct tty_struct *tty) -{ - int nr, head, tail; - - if (!tty->canon_data || !tty->read_buf) - return 0; - head = tty->canon_head; - tail = tty->read_tail; - nr = (head - tail) & (N_TTY_BUF_SIZE-1); - /* Skip EOF-chars.. */ - while (head != tail) { - if (test_bit(tail, tty->read_flags) && - tty->read_buf[tail] == __DISABLED_CHAR) - nr--; - tail = (tail+1) & (N_TTY_BUF_SIZE-1); - } - return nr; -} #ifdef TIOCGETP /* @@ -1110,7 +1079,7 @@ int tty_perform_flush(struct tty_struct *tty, unsigned long arg) } EXPORT_SYMBOL_GPL(tty_perform_flush); -int n_tty_ioctl(struct tty_struct *tty, struct file *file, +int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; @@ -1148,13 +1117,6 @@ int n_tty_ioctl(struct tty_struct *tty, struct file *file, return 0; case TCFLSH: return tty_perform_flush(tty, arg); - case TIOCOUTQ: - return put_user(tty_chars_in_buffer(tty), (int __user *) arg); - case TIOCINQ: - retval = tty->read_cnt; - if (L_ICANON(tty)) - retval = inq_canon(tty); - return put_user(retval, (unsigned int __user *) arg); case TIOCPKT: { int pktmode; @@ -1180,4 +1142,4 @@ int n_tty_ioctl(struct tty_struct *tty, struct file *file, return tty_mode_ioctl(tty, file, cmd, arg); } } -EXPORT_SYMBOL(n_tty_ioctl); +EXPORT_SYMBOL(n_tty_ioctl_helper); diff --git a/include/linux/tty.h b/include/linux/tty.h index 3c7c75794a4a..3b8121d4e36f 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -466,7 +466,7 @@ static inline void tty_audit_push_task(struct task_struct *tsk, #endif /* tty_ioctl.c */ -extern int n_tty_ioctl(struct tty_struct *tty, struct file *file, +extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); /* serial.c */ -- GitLab From 53e86317e967b9a1b1b78d6a076547144454bce1 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Mon, 13 Oct 2008 10:44:33 +0100 Subject: [PATCH 4391/6244] tty: Fallout from tty-move-canon-specials Today's linux-next build (x86_64 allmodconfig) failed like this: /drivers/char/tty_ioctl.c: In function 'change_termios': drivers/isdn/capi/capi.c:1234: error: implicit declaration of function 'n_tty_ioctl' drivers/isdn/gigaset/ser-gigaset.c: In function 'gigaset_tty_ioctl': drivers/isdn/gigaset/ser-gigaset.c:648: error: implicit declaration of function 'n_tty_ioctl' Introduced by commit 686b5e4aea05a80e370dc931b7f4a8d03c80da54 ("tty-move-canon-specials"). I added the following patch (which may not be correct). Signed-off-by: Stephen Rothwell Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/isdn/capi/capi.c | 2 +- drivers/isdn/gigaset/ser-gigaset.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 871b0cbca5e4..798d7f3e42ef 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1231,7 +1231,7 @@ static int capinc_tty_ioctl(struct tty_struct *tty, struct file * file, int error = 0; switch (cmd) { default: - error = n_tty_ioctl (tty, file, cmd, arg); + error = n_tty_ioctl_helper(tty, file, cmd, arg); break; } return error; diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 5e89fa177816..cc4f4e44ffe4 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -645,7 +645,7 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, case TCGETS: case TCGETA: /* pass through to underlying serial device */ - rc = n_tty_ioctl(tty, file, cmd, arg); + rc = n_tty_ioctl_helper(tty, file, cmd, arg); break; case TCFLSH: @@ -660,7 +660,7 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, break; } /* flush the serial port's buffer */ - rc = n_tty_ioctl(tty, file, cmd, arg); + rc = n_tty_ioctl_helper(tty, file, cmd, arg); break; case FIONREAD: -- GitLab From ea1afd256258f04a290aaa7fd5c2d4deb2e79e26 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:44:43 +0100 Subject: [PATCH 4392/6244] tty: fix up gigaset a bit Stephen's fixes reminded me that gigaset is still rather broken so fix it up a bit Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/ser-gigaset.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index cc4f4e44ffe4..07052ed2a0c5 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -571,6 +571,7 @@ gigaset_tty_close(struct tty_struct *tty) } /* prevent other callers from entering ldisc methods */ + /* FIXME: should use the tty state flags */ tty->disc_data = NULL; if (!cs->hw.ser) @@ -642,10 +643,11 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, return -ENXIO; switch (cmd) { - case TCGETS: - case TCGETA: - /* pass through to underlying serial device */ - rc = n_tty_ioctl_helper(tty, file, cmd, arg); + + case FIONREAD: + /* unused, always return zero */ + val = 0; + rc = put_user(val, p); break; case TCFLSH: @@ -659,20 +661,13 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, flush_send_queue(cs); break; } - /* flush the serial port's buffer */ - rc = n_tty_ioctl_helper(tty, file, cmd, arg); - break; - - case FIONREAD: - /* unused, always return zero */ - val = 0; - rc = put_user(val, p); - break; + /* Pass through */ default: - rc = -ENOIOCTLCMD; + /* pass through to underlying serial device */ + rc = n_tty_ioctl_helper(tty, file, cmd, arg); + break; } - cs_put(cs); return rc; } @@ -680,6 +675,8 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file, /* * Poll on the tty. * Unused, always return zero. + * + * FIXME: should probably return an exception - especially on hangup */ static unsigned int gigaset_tty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) -- GitLab From 51383f69ec56fe3f425d5255fb43e18c445e061c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:44:57 +0100 Subject: [PATCH 4393/6244] tty: Remove lots of NULL checks Many tty drivers contain 'can't happen' checks against NULL pointers passed in by the tty layer. These have never been possible to occur. Even more importantly if they ever do occur we want to know as it would be a serious bug. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/amiserial.c | 6 ------ drivers/char/generic_serial.c | 21 --------------------- drivers/char/istallion.c | 6 ------ drivers/char/mxser.c | 5 ----- drivers/char/n_r3964.c | 8 +------- drivers/char/stallion.c | 34 ---------------------------------- 6 files changed, 1 insertion(+), 79 deletions(-) diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 6e763e3f5a81..98821f97583c 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -837,9 +837,6 @@ static int rs_put_char(struct tty_struct *tty, unsigned char ch) struct async_struct *info; unsigned long flags; - if (!tty) - return 0; - info = tty->driver_data; if (serial_paranoia_check(info, tty->name, "rs_put_char")) @@ -892,9 +889,6 @@ static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count struct async_struct *info; unsigned long flags; - if (!tty) - return 0; - info = tty->driver_data; if (serial_paranoia_check(info, tty->name, "rs_write")) diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index 19d3afb0e50c..c6090f84a2e4 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -54,8 +54,6 @@ int gs_put_char(struct tty_struct * tty, unsigned char ch) func_enter (); - if (!tty) return 0; - port = tty->driver_data; if (!port) return 0; @@ -97,8 +95,6 @@ int gs_write(struct tty_struct * tty, func_enter (); - if (!tty) return 0; - port = tty->driver_data; if (!port) return 0; @@ -185,7 +181,6 @@ static int gs_real_chars_in_buffer(struct tty_struct *tty) struct gs_port *port; func_enter (); - if (!tty) return 0; port = tty->driver_data; if (!port->rd) return 0; @@ -274,8 +269,6 @@ void gs_flush_buffer(struct tty_struct *tty) func_enter (); - if (!tty) return; - port = tty->driver_data; if (!port) return; @@ -296,8 +289,6 @@ void gs_flush_chars(struct tty_struct * tty) func_enter (); - if (!tty) return; - port = tty->driver_data; if (!port) return; @@ -321,8 +312,6 @@ void gs_stop(struct tty_struct * tty) func_enter (); - if (!tty) return; - port = tty->driver_data; if (!port) return; @@ -341,8 +330,6 @@ void gs_start(struct tty_struct * tty) { struct gs_port *port; - if (!tty) return; - port = tty->driver_data; if (!port) return; @@ -393,8 +380,6 @@ void gs_hangup(struct tty_struct *tty) func_enter (); - if (!tty) return; - port = tty->driver_data; tty = port->port.tty; if (!tty) @@ -426,8 +411,6 @@ int gs_block_til_ready(void *port_, struct file * filp) tty = port->port.tty; - if (!tty) return 0; - gs_dprintk (GS_DEBUG_BTR, "Entering gs_block_till_ready.\n"); /* * If the device is in the middle of being closed, then block @@ -523,8 +506,6 @@ void gs_close(struct tty_struct * tty, struct file * filp) func_enter (); - if (!tty) return; - port = (struct gs_port *) tty->driver_data; if (!port) return; @@ -621,8 +602,6 @@ void gs_set_termios (struct tty_struct * tty, func_enter(); - if (!tty) return; - port = tty->driver_data; if (!port) return; diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 96ee1121acef..505d7a1f6b8c 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -1375,8 +1375,6 @@ static void stli_flushchars(struct tty_struct *tty) stli_txcookrealsize = 0; stli_txcooktty = NULL; - if (tty == NULL) - return; if (cooktty == NULL) return; if (tty != cooktty) @@ -1732,8 +1730,6 @@ static void stli_settermios(struct tty_struct *tty, struct ktermios *old) struct ktermios *tiosp; asyport_t aport; - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1938,8 +1934,6 @@ static void stli_waituntilsent(struct tty_struct *tty, int timeout) struct stliport *portp; unsigned long tend; - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 308cb6014002..8beef50f95a0 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -616,9 +616,6 @@ static int mxser_set_baud(struct tty_struct *tty, long newspd) int quot = 0, baud; unsigned char cval; - if (!tty->termios) - return -1; - if (!info->ioaddr) return -1; @@ -688,8 +685,6 @@ static int mxser_change_speed(struct tty_struct *tty, int ret = 0; unsigned char status; - if (!tty->termios) - return ret; cflag = tty->termios->c_cflag; if (!info->ioaddr) return ret; diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index ae377aa473ba..4a8215a89ad3 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -372,14 +372,8 @@ static void remove_from_rx_queue(struct r3964_info *pInfo, static void put_char(struct r3964_info *pInfo, unsigned char ch) { struct tty_struct *tty = pInfo->tty; - - if (tty == NULL) - return; - /* FIXME: put_char should not be called from an IRQ */ - if (tty->ops->put_char) { - tty->ops->put_char(tty, ch); - } + tty_put_char(tty, ch); pInfo->bcc ^= ch; } diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 81b3234127db..8b8f07a7f505 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -849,8 +849,6 @@ static void stl_flushbuffer(struct tty_struct *tty) pr_debug("stl_flushbuffer(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -868,8 +866,6 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout) pr_debug("stl_waituntilsent(tty=%p,timeout=%d)\n", tty, timeout); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1036,8 +1032,6 @@ static int stl_putchar(struct tty_struct *tty, unsigned char ch) pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == NULL) - return -EINVAL; portp = tty->driver_data; if (portp == NULL) return -EINVAL; @@ -1073,8 +1067,6 @@ static void stl_flushchars(struct tty_struct *tty) pr_debug("stl_flushchars(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1093,8 +1085,6 @@ static int stl_writeroom(struct tty_struct *tty) pr_debug("stl_writeroom(tty=%p)\n", tty); - if (tty == NULL) - return 0; portp = tty->driver_data; if (portp == NULL) return 0; @@ -1125,8 +1115,6 @@ static int stl_charsinbuffer(struct tty_struct *tty) pr_debug("stl_charsinbuffer(tty=%p)\n", tty); - if (tty == NULL) - return 0; portp = tty->driver_data; if (portp == NULL) return 0; @@ -1219,8 +1207,6 @@ static int stl_tiocmget(struct tty_struct *tty, struct file *file) { struct stlport *portp; - if (tty == NULL) - return -ENODEV; portp = tty->driver_data; if (portp == NULL) return -ENODEV; @@ -1236,8 +1222,6 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, struct stlport *portp; int rts = -1, dtr = -1; - if (tty == NULL) - return -ENODEV; portp = tty->driver_data; if (portp == NULL) return -ENODEV; @@ -1266,8 +1250,6 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd pr_debug("stl_ioctl(tty=%p,file=%p,cmd=%x,arg=%lx)\n", tty, file, cmd, arg); - if (tty == NULL) - return -ENODEV; portp = tty->driver_data; if (portp == NULL) return -ENODEV; @@ -1321,8 +1303,6 @@ static void stl_start(struct tty_struct *tty) pr_debug("stl_start(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1338,8 +1318,6 @@ static void stl_settermios(struct tty_struct *tty, struct ktermios *old) pr_debug("stl_settermios(tty=%p,old=%p)\n", tty, old); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1373,8 +1351,6 @@ static void stl_throttle(struct tty_struct *tty) pr_debug("stl_throttle(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1393,8 +1369,6 @@ static void stl_unthrottle(struct tty_struct *tty) pr_debug("stl_unthrottle(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1414,8 +1388,6 @@ static void stl_stop(struct tty_struct *tty) pr_debug("stl_stop(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1436,8 +1408,6 @@ static void stl_hangup(struct tty_struct *tty) pr_debug("stl_hangup(tty=%p)\n", tty); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; @@ -1470,8 +1440,6 @@ static int stl_breakctl(struct tty_struct *tty, int state) pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state); - if (tty == NULL) - return -EINVAL; portp = tty->driver_data; if (portp == NULL) return -EINVAL; @@ -1488,8 +1456,6 @@ static void stl_sendxchar(struct tty_struct *tty, char ch) pr_debug("stl_sendxchar(tty=%p,ch=%x)\n", tty, ch); - if (tty == NULL) - return; portp = tty->driver_data; if (portp == NULL) return; -- GitLab From 17b820606e7bdd3be31b001265d0177423fea5eb Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:45:06 +0100 Subject: [PATCH 4394/6244] tty: Minor tidyups and document fixes for n_tty Remove/fix some bogus NULL checks, comment some locking etc Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/n_tty.c | 48 ++++++++++++++++++++++++++++++++++---------- 1 file changed, 37 insertions(+), 11 deletions(-) diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index b4f5dccad2a6..c0285b95cf94 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -99,6 +99,7 @@ static inline int tty_put_user(struct tty_struct *tty, unsigned char x, static void n_tty_set_room(struct tty_struct *tty) { + /* tty->read_cnt is not read locked ? */ int left = N_TTY_BUF_SIZE - tty->read_cnt - 1; /* @@ -121,6 +122,16 @@ static void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) } } +/** + * put_tty_queue - add character to tty + * @c: character + * @tty: tty device + * + * Add a character to the tty read_buf queue. This is done under the + * read_lock to serialize character addition and also to protect us + * against parallel reads or flushes + */ + static void put_tty_queue(unsigned char c, struct tty_struct *tty) { unsigned long flags; @@ -137,14 +148,11 @@ static void put_tty_queue(unsigned char c, struct tty_struct *tty) * check_unthrottle - allow new receive data * @tty; tty device * - * Check whether to call the driver.unthrottle function. - * We test the TTY_THROTTLED bit first so that it always - * indicates the current state. The decision about whether - * it is worth allowing more input has been taken by the caller. + * Check whether to call the driver unthrottle functions + * * Can sleep, may be called under the atomic_read_lock mutex but * this is not guaranteed. */ - static void check_unthrottle(struct tty_struct *tty) { if (tty->count) @@ -158,6 +166,8 @@ static void check_unthrottle(struct tty_struct *tty) * Reset the read buffer counters, clear the flags, * and make sure the driver is unthrottled. Called * from n_tty_open() and n_tty_flush_buffer(). + * + * Locking: tty_read_lock for read fields. */ static void reset_buffer_flags(struct tty_struct *tty) { @@ -181,7 +191,7 @@ static void reset_buffer_flags(struct tty_struct *tty) * at hangup) or when the N_TTY line discipline internally has to * clean the pending queue (for example some signals). * - * Locking: ctrl_lock + * Locking: ctrl_lock, read_lock. */ static void n_tty_flush_buffer(struct tty_struct *tty) @@ -207,6 +217,8 @@ static void n_tty_flush_buffer(struct tty_struct *tty) * * Report the number of characters buffered to be delivered to user * at this instant in time. + * + * Locking: read_lock */ static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty) @@ -410,6 +422,8 @@ break_out: * * Echo user input back onto the screen. This must be called only when * L_ECHO(tty) is true. Called from the driver receive_buf path. + * + * Relies on BKL for tty column locking */ static void echo_char(unsigned char c, struct tty_struct *tty) @@ -422,6 +436,12 @@ static void echo_char(unsigned char c, struct tty_struct *tty) opost(c, tty); } +/** + * finsh_erasing - complete erase + * @tty: tty doing the erase + * + * Relies on BKL for tty column locking + */ static inline void finish_erasing(struct tty_struct *tty) { if (tty->erasing) { @@ -439,6 +459,8 @@ static inline void finish_erasing(struct tty_struct *tty) * Perform erase and necessary output when an erase character is * present in the stream from the driver layer. Handles the complexities * of UTF-8 multibyte symbols. + * + * Locking: read_lock for tty buffers, BKL for column/erasing state */ static void eraser(unsigned char c, struct tty_struct *tty) @@ -447,6 +469,7 @@ static void eraser(unsigned char c, struct tty_struct *tty) int head, seen_alnums, cnt; unsigned long flags; + /* FIXME: locking needed ? */ if (tty->read_head == tty->canon_head) { /* opost('\a', tty); */ /* what do you think? */ return; @@ -481,6 +504,7 @@ static void eraser(unsigned char c, struct tty_struct *tty) } seen_alnums = 0; + /* FIXME: Locking ?? */ while (tty->read_head != tty->canon_head) { head = tty->read_head; @@ -583,6 +607,8 @@ static void eraser(unsigned char c, struct tty_struct *tty) * may caus terminal flushing to take place according to the termios * settings and character used. Called from the driver receive_buf * path so serialized. + * + * Locking: ctrl_lock, read_lock (both via flush buffer) */ static inline void isig(int sig, struct tty_struct *tty, int flush) @@ -1007,6 +1033,8 @@ int is_ignored(int sig) * and is protected from re-entry by the tty layer. The user is * guaranteed that this function will not be re-entered or in progress * when the ldisc is closed. + * + * Locking: Caller holds tty->termios_mutex */ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) @@ -1266,10 +1294,7 @@ static ssize_t read_chan(struct tty_struct *tty, struct file *file, do_it_again: - if (!tty->read_buf) { - printk(KERN_ERR "n_tty_read_chan: read_buf == NULL?!?\n"); - return -EIO; - } + BUG_ON(!tty->read_buf); c = job_control(tty, file); if (c < 0) @@ -1589,7 +1614,7 @@ static unsigned long inq_canon(struct tty_struct *tty) { int nr, head, tail; - if (!tty->canon_data || !tty->read_buf) + if (!tty->canon_data) return 0; head = tty->canon_head; tail = tty->read_tail; @@ -1613,6 +1638,7 @@ static int n_tty_ioctl(struct tty_struct *tty, struct file *file, case TIOCOUTQ: return put_user(tty_chars_in_buffer(tty), (int __user *) arg); case TIOCINQ: + /* FIXME: Locking */ retval = tty->read_cnt; if (L_ICANON(tty)) retval = inq_canon(tty); -- GitLab From a7be18d436f0c7007794965e5af29fa1ffff1e05 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:45:17 +0100 Subject: [PATCH 4395/6244] applicom: Fix an unchecked user ioctl range and an error return Closes bug #11408 by checking the card index range for command 0 Fixes the ioctl to return ENOTTY which is correct for unknown ioctls Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/applicom.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index 31d08b641f5b..b899d9182c7d 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -712,8 +712,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un IndexCard = adgl->num_card-1; - if(cmd != 0 && cmd != 6 && - ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { + if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { static int warncount = 10; if (warncount) { printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1); @@ -832,8 +831,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un } break; default: - printk(KERN_INFO "APPLICOM driver ioctl, unknown function code %d\n",cmd) ; - ret = -EINVAL; + ret = -ENOTTY; break; } Dummy = readb(apbs[IndexCard].RamIO + VERS); -- GitLab From 8440838bc5337243917f13bc14ea2445da5e0197 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 13 Oct 2008 10:45:26 +0100 Subject: [PATCH 4396/6244] serial: fix device name reporting when minor space is shared between drivers The multiple drivers share the minor space occupied by a particular major number, the actual index within the device name's space is indicated by the tty_driver->name_base + uart_port->line Another usable formula is (uart_driver->minor - MINOR_BASE) + port->line Use those to print the device names properly in such situations in serial_core.c and 8250.c Signed-off-by: David S. Miller Signed-off-by: Andrew Morton Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/serial/8250.c | 22 +++++++++++++++------- drivers/serial/serial_core.c | 7 +++++-- 2 files changed, 20 insertions(+), 9 deletions(-) diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index db2cdc103c88..d4104a3bbe87 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -57,6 +57,13 @@ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS; static unsigned int nr_uarts = CONFIG_SERIAL_8250_RUNTIME_UARTS; +static struct uart_driver serial8250_reg; + +static int serial_index(struct uart_port *port) +{ + return (serial8250_reg.minor - 64) + port->line; +} + /* * Debugging. */ @@ -997,7 +1004,7 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) return; DEBUG_AUTOCONF("ttyS%d: autoconf (0x%04x, 0x%p): ", - up->port.line, up->port.iobase, up->port.membase); + serial_index(&up->port), up->port.iobase, up->port.membase); /* * We really do need global IRQs disabled here - we're going to @@ -1132,8 +1139,8 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) if (up->capabilities != uart_config[up->port.type].flags) { printk(KERN_WARNING "ttyS%d: detected caps %08x should be %08x\n", - up->port.line, up->capabilities, - uart_config[up->port.type].flags); + serial_index(&up->port), up->capabilities, + uart_config[up->port.type].flags); } up->port.fifosize = uart_config[up->port.type].fifo_size; @@ -1857,7 +1864,8 @@ static int serial8250_startup(struct uart_port *port) */ if (!(up->port.flags & UPF_BUGGY_UART) && (serial_inp(up, UART_LSR) == 0xff)) { - printk("ttyS%d: LSR safety check engaged!\n", up->port.line); + printk(KERN_INFO "ttyS%d: LSR safety check engaged!\n", + serial_index(&up->port)); return -ENODEV; } @@ -1912,7 +1920,8 @@ static int serial8250_startup(struct uart_port *port) */ if (!(iir1 & UART_IIR_NO_INT) && (iir & UART_IIR_NO_INT)) { up->bugs |= UART_BUG_THRE; - pr_debug("ttyS%d - using backup timer\n", port->line); + pr_debug("ttyS%d - using backup timer\n", + serial_index(port)); } } @@ -1972,7 +1981,7 @@ static int serial8250_startup(struct uart_port *port) if (!(up->bugs & UART_BUG_TXEN)) { up->bugs |= UART_BUG_TXEN; pr_debug("ttyS%d - enabling bad tx status workarounds\n", - port->line); + serial_index(port)); } } else { up->bugs &= ~UART_BUG_TXEN; @@ -2633,7 +2642,6 @@ static int serial8250_console_early_setup(void) return serial8250_find_port_for_earlycon(); } -static struct uart_driver serial8250_reg; static struct console serial8250_console = { .name = "ttyS", .write = serial8250_console_write, diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 308588e2072b..6bdf3362e3b1 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2051,7 +2051,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) "transmitter\n", port->dev ? port->dev->bus_id : "", port->dev ? ": " : "", - drv->dev_name, port->line); + drv->dev_name, + drv->tty_driver->name_base + port->line); ops->shutdown(port); } @@ -2176,7 +2177,9 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) printk(KERN_INFO "%s%s%s%d at %s (irq = %d) is a %s\n", port->dev ? port->dev->bus_id : "", port->dev ? ": " : "", - drv->dev_name, port->line, address, port->irq, uart_type(port)); + drv->dev_name, + drv->tty_driver->name_base + port->line, + address, port->irq, uart_type(port)); } static void -- GitLab From 402fda9201ac619ea1f120996b1a142c57aeeb6b Mon Sep 17 00:00:00 2001 From: Jason Wessel Date: Mon, 13 Oct 2008 10:45:36 +0100 Subject: [PATCH 4397/6244] tty: tty_io.c shadows sparse fix drivers/char/tty_io.c:1413:17: warning: symbol 'buf' shadows an earlier one drivers/char/tty_io.c:1379:20: originally declared here Signed-off-by: Jason Wessel Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 502cad68f83c..7053d6333692 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1026,19 +1026,19 @@ static inline ssize_t do_tty_write( /* write_buf/write_cnt is protected by the atomic_write_lock mutex */ if (tty->write_cnt < chunk) { - unsigned char *buf; + unsigned char *buf_chunk; if (chunk < 1024) chunk = 1024; - buf = kmalloc(chunk, GFP_KERNEL); - if (!buf) { + buf_chunk = kmalloc(chunk, GFP_KERNEL); + if (!buf_chunk) { ret = -ENOMEM; goto out; } kfree(tty->write_buf); tty->write_cnt = chunk; - tty->write_buf = buf; + tty->write_buf = buf_chunk; } /* Do the write .. */ -- GitLab From a90610e50b98e18385d4fbea2c9eaefb12c5a75c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:45:52 +0100 Subject: [PATCH 4398/6244] fs3270: remove extra locks get_current_tty now does internal locking and returns a referenced object, thus our use of tty_mutex here can go away. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/s390/char/fs3270.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 84fbc90480dc..1227f4591f8d 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -426,18 +426,14 @@ fs3270_open(struct inode *inode, struct file *filp) minor = iminor(filp->f_path.dentry->d_inode); /* Check for minor 0 multiplexer. */ if (minor == 0) { - struct tty_struct *tty; - mutex_lock(&tty_mutex); - tty = get_current_tty(); + struct tty_struct *tty = get_current_tty(); if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) { tty_kref_put(tty); - mutex_unlock(&tty_mutex); rc = -ENODEV; goto out; } minor = tty->index + RAW3270_FIRSTMINOR; tty_kref_put(tty); - mutex_unlock(&tty_mutex); } /* Check if some other program is already using fullscreen mode. */ fp = (struct fs3270 *) raw3270_find_view(&fs3270_fn, minor); -- GitLab From a18992d4652553f65469ac72b54b7fdd4f058277 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:46:09 +0100 Subject: [PATCH 4399/6244] fs3270: Correct error returns Drop the kernel lock further and also correct cases where we set rc to an error code, and then return 0 Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/s390/char/fs3270.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 1227f4591f8d..40759c33477d 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -418,23 +418,22 @@ fs3270_open(struct inode *inode, struct file *filp) { struct fs3270 *fp; struct idal_buffer *ib; - int minor, rc; + int minor, rc = 0; if (imajor(filp->f_path.dentry->d_inode) != IBM_FS3270_MAJOR) return -ENODEV; - lock_kernel(); minor = iminor(filp->f_path.dentry->d_inode); /* Check for minor 0 multiplexer. */ if (minor == 0) { struct tty_struct *tty = get_current_tty(); if (!tty || tty->driver->major != IBM_TTY3270_MAJOR) { tty_kref_put(tty); - rc = -ENODEV; - goto out; + return -ENODEV; } minor = tty->index + RAW3270_FIRSTMINOR; tty_kref_put(tty); } + lock_kernel(); /* Check if some other program is already using fullscreen mode. */ fp = (struct fs3270 *) raw3270_find_view(&fs3270_fn, minor); if (!IS_ERR(fp)) { @@ -476,7 +475,7 @@ fs3270_open(struct inode *inode, struct file *filp) filp->private_data = fp; out: unlock_kernel(); - return 0; + return rc; } /* -- GitLab From 11a96d1820113fde0d55c3487b7da7a9031326b8 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 10:46:24 +0100 Subject: [PATCH 4400/6244] tty: rename the remaining oddly named n_tty functions Original idea for this from a patch by Rodolfo Giometti which merges various bits of PPS support Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/n_tty.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index c0285b95cf94..efbfe9612658 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -26,7 +26,7 @@ * * 2002/03/18 Implemented n_tty_wakeup to send SIGIO POLL_OUTs to * waiting writing processes-Sapan Bhatia . - * Also fixed a bug in BLOCKING mode where write_chan returns + * Also fixed a bug in BLOCKING mode where n_tty_write returns * EAGAIN */ @@ -358,7 +358,7 @@ static int opost(unsigned char c, struct tty_struct *tty) * the simple cases normally found and helps to generate blocks of * symbols for the console driver and thus improve performance. * - * Called from write_chan under the tty layer write lock. Relies + * Called from n_tty_write under the tty layer write lock. Relies * on lock_kernel for the tty->column state. */ @@ -1183,7 +1183,7 @@ static inline int input_available_p(struct tty_struct *tty, int amt) * @b: user data * @nr: size of data * - * Helper function to speed up read_chan. It is only called when + * Helper function to speed up n_tty_read. It is only called when * ICANON is off; it copies characters straight from the tty queue to * user space directly. It can be profitably called twice; once to * drain the space from the tail pointer to the (physical) end of the @@ -1250,7 +1250,7 @@ static int job_control(struct tty_struct *tty, struct file *file) if (file->f_op->write != redirected_tty_write && current->signal->tty == tty) { if (!tty->pgrp) - printk(KERN_ERR "read_chan: no tty->pgrp!\n"); + printk(KERN_ERR "n_tty_read: no tty->pgrp!\n"); else if (task_pgrp(current) != tty->pgrp) { if (is_ignored(SIGTTIN) || is_current_pgrp_orphaned()) @@ -1265,7 +1265,7 @@ static int job_control(struct tty_struct *tty, struct file *file) /** - * read_chan - read function for tty + * n_tty_read - read function for tty * @tty: tty device * @file: file object * @buf: userspace buffer pointer @@ -1279,7 +1279,7 @@ static int job_control(struct tty_struct *tty, struct file *file) * This code must be sure never to sleep through a hangup. */ -static ssize_t read_chan(struct tty_struct *tty, struct file *file, +static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, unsigned char __user *buf, size_t nr) { unsigned char __user *b = buf; @@ -1481,7 +1481,7 @@ do_it_again: } /** - * write_chan - write function for tty + * n_tty_write - write function for tty * @tty: tty device * @file: file object * @buf: userspace buffer pointer @@ -1495,7 +1495,7 @@ do_it_again: * This code must be sure never to sleep through a hangup. */ -static ssize_t write_chan(struct tty_struct *tty, struct file *file, +static ssize_t n_tty_write(struct tty_struct *tty, struct file *file, const unsigned char *buf, size_t nr) { const unsigned char *b = buf; @@ -1569,7 +1569,7 @@ break_out: } /** - * normal_poll - poll method for N_TTY + * n_tty_poll - poll method for N_TTY * @tty: terminal device * @file: file accessing it * @wait: poll table @@ -1582,7 +1582,7 @@ break_out: * Called without the kernel lock held - fine */ -static unsigned int normal_poll(struct tty_struct *tty, struct file *file, +static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file, poll_table *wait) { unsigned int mask = 0; @@ -1655,11 +1655,11 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = { .close = n_tty_close, .flush_buffer = n_tty_flush_buffer, .chars_in_buffer = n_tty_chars_in_buffer, - .read = read_chan, - .write = write_chan, + .read = n_tty_read, + .write = n_tty_write, .ioctl = n_tty_ioctl, .set_termios = n_tty_set_termios, - .poll = normal_poll, + .poll = n_tty_poll, .receive_buf = n_tty_receive_buf, .write_wakeup = n_tty_write_wakeup }; -- GitLab From a447c0932445f92ce6f4c1bd020f62c5097a7842 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 13 Oct 2008 10:46:57 +0100 Subject: [PATCH 4401/6244] vfs: Use const for kernel parser table This is a much better version of a previous patch to make the parser tables constant. Rather than changing the typedef, we put the "const" in all the various places where its required, allowing the __initconst exception for nfsroot which was the cause of the previous trouble. This was posted for review some time ago and I believe its been in -mm since then. Signed-off-by: Steven Whitehouse Cc: Alexander Viro Signed-off-by: Linus Torvalds --- arch/powerpc/platforms/cell/spufs/inode.c | 2 +- arch/s390/hypfs/inode.c | 2 +- drivers/infiniband/ulp/srp/ib_srp.c | 2 +- drivers/usb/core/inode.c | 2 +- fs/9p/v9fs.c | 2 +- fs/adfs/super.c | 2 +- fs/affs/super.c | 2 +- fs/afs/super.c | 2 +- fs/autofs/inode.c | 2 +- fs/autofs4/inode.c | 2 +- fs/befs/linuxvfs.c | 2 +- fs/devpts/inode.c | 2 +- fs/ecryptfs/main.c | 2 +- fs/ext2/super.c | 2 +- fs/ext3/super.c | 2 +- fs/ext4/super.c | 2 +- fs/fat/inode.c | 6 +++--- fs/fuse/inode.c | 2 +- fs/gfs2/mount.c | 2 +- fs/hfs/super.c | 2 +- fs/hfsplus/options.c | 2 +- fs/hpfs/super.c | 2 +- fs/hugetlbfs/inode.c | 2 +- fs/isofs/inode.c | 2 +- fs/jfs/super.c | 2 +- fs/nfs/nfsroot.c | 2 +- fs/nfs/super.c | 6 +++--- fs/ocfs2/super.c | 2 +- fs/omfs/inode.c | 2 +- fs/ubifs/super.c | 2 +- fs/udf/super.c | 2 +- fs/ufs/super.c | 4 ++-- fs/xfs/linux-2.6/xfs_super.c | 2 +- include/linux/parser.h | 2 +- lib/parser.c | 2 +- net/9p/client.c | 2 +- net/9p/trans_fd.c | 2 +- security/selinux/hooks.c | 2 +- 38 files changed, 43 insertions(+), 43 deletions(-) diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 690ca7b0dcf6..2c8b8091250f 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -659,7 +659,7 @@ enum { Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err, }; -static match_table_t spufs_tokens = { +static const match_table_t spufs_tokens = { { Opt_uid, "uid=%d" }, { Opt_gid, "gid=%d" }, { Opt_mode, "mode=%o" }, diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 7383781f3e6a..36313801cd5c 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -219,7 +219,7 @@ static int hypfs_release(struct inode *inode, struct file *filp) enum { opt_uid, opt_gid, opt_err }; -static match_table_t hypfs_tokens = { +static const match_table_t hypfs_tokens = { {opt_uid, "uid=%u"}, {opt_gid, "gid=%u"}, {opt_err, NULL} diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index ed7c5f72cb8b..5b8b533f2908 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1683,7 +1683,7 @@ enum { SRP_OPT_SERVICE_ID), }; -static match_table_t srp_opt_tokens = { +static const match_table_t srp_opt_tokens = { { SRP_OPT_ID_EXT, "id_ext=%s" }, { SRP_OPT_IOC_GUID, "ioc_guid=%s" }, { SRP_OPT_DGID, "dgid=%s" }, diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index db410e92c80d..77fa7a080801 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -97,7 +97,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_devuid, "devuid=%u"}, {Opt_devgid, "devgid=%u"}, {Opt_devmode, "devmode=%o"}, diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 047c791427aa..c061c3f18e7c 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -55,7 +55,7 @@ enum { Opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_debug, "debug=%x"}, {Opt_dfltuid, "dfltuid=%u"}, {Opt_dfltgid, "dfltgid=%u"}, diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 26f3b43726bb..7f83a46f2b7e 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -157,7 +157,7 @@ static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt) enum {Opt_uid, Opt_gid, Opt_ownmask, Opt_othmask, Opt_err}; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, {Opt_ownmask, "ownmask=%o"}, diff --git a/fs/affs/super.c b/fs/affs/super.c index 3a89094f93d0..8989c93193ed 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -135,7 +135,7 @@ enum { Opt_verbose, Opt_volume, Opt_ignore, Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_bs, "bs=%u"}, {Opt_mode, "mode=%o"}, {Opt_mufs, "mufs"}, diff --git a/fs/afs/super.c b/fs/afs/super.c index 250d8c4d66e4..aee239a048cb 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -64,7 +64,7 @@ enum { afs_opt_vol, }; -static match_table_t afs_options_list = { +static const match_table_t afs_options_list = { { afs_opt_cell, "cell=%s" }, { afs_opt_rwpath, "rwpath" }, { afs_opt_vol, "vol=%s" }, diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c index dda510d31f84..b70eea1e8c59 100644 --- a/fs/autofs/inode.c +++ b/fs/autofs/inode.c @@ -59,7 +59,7 @@ static const struct super_operations autofs_sops = { enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto}; -static match_table_t autofs_tokens = { +static const match_table_t autofs_tokens = { {Opt_fd, "fd=%u"}, {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 7bb3e5ba0537..45d55819203d 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -213,7 +213,7 @@ static const struct super_operations autofs4_sops = { enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto, Opt_indirect, Opt_direct, Opt_offset}; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_fd, "fd=%u"}, {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 740f53672a8a..9286b2af893a 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -650,7 +650,7 @@ enum { Opt_uid, Opt_gid, Opt_charset, Opt_debug, Opt_err, }; -static match_table_t befs_tokens = { +static const match_table_t befs_tokens = { {Opt_uid, "uid=%d"}, {Opt_gid, "gid=%d"}, {Opt_charset, "iocharset=%s"}, diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index a70d5d0890c7..4a714f6c1bed 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -49,7 +49,7 @@ enum { Opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, {Opt_mode, "mode=%o"}, diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 448dfd597b5f..8ebe9a5d1d99 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -211,7 +211,7 @@ enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig, ecryptfs_opt_passthrough, ecryptfs_opt_xattr_metadata, ecryptfs_opt_encrypted_view, ecryptfs_opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { {ecryptfs_opt_sig, "sig=%s"}, {ecryptfs_opt_ecryptfs_sig, "ecryptfs_sig=%s"}, {ecryptfs_opt_cipher, "cipher=%s"}, diff --git a/fs/ext2/super.c b/fs/ext2/super.c index fd88c7b43e66..647cd888ac87 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -393,7 +393,7 @@ enum { Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_bsd_df, "bsddf"}, {Opt_minix_df, "minixdf"}, {Opt_grpid, "grpid"}, diff --git a/fs/ext3/super.c b/fs/ext3/super.c index f38a5afc39a1..399a96a6c556 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -760,7 +760,7 @@ enum { Opt_grpquota }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_bsd_df, "bsddf"}, {Opt_minix_df, "minixdf"}, {Opt_grpid, "grpid"}, diff --git a/fs/ext4/super.c b/fs/ext4/super.c index fb940c22ab0d..dea8f13c2fd9 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -919,7 +919,7 @@ enum { Opt_inode_readahead_blks }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_bsd_df, "bsddf"}, {Opt_minix_df, "minixdf"}, {Opt_grpid, "grpid"}, diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 80ff3381fa21..d12cdf2a0406 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -855,7 +855,7 @@ enum { Opt_obsolate, Opt_flush, Opt_tz_utc, Opt_err, }; -static match_table_t fat_tokens = { +static const match_table_t fat_tokens = { {Opt_check_r, "check=relaxed"}, {Opt_check_s, "check=strict"}, {Opt_check_n, "check=normal"}, @@ -890,14 +890,14 @@ static match_table_t fat_tokens = { {Opt_tz_utc, "tz=UTC"}, {Opt_err, NULL}, }; -static match_table_t msdos_tokens = { +static const match_table_t msdos_tokens = { {Opt_nodots, "nodots"}, {Opt_nodots, "dotsOK=no"}, {Opt_dots, "dots"}, {Opt_dots, "dotsOK=yes"}, {Opt_err, NULL} }; -static match_table_t vfat_tokens = { +static const match_table_t vfat_tokens = { {Opt_charset, "iocharset=%s"}, {Opt_shortname_lower, "shortname=lower"}, {Opt_shortname_win95, "shortname=win95"}, diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index d2249f174e20..6a84388cacff 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -354,7 +354,7 @@ enum { OPT_ERR }; -static match_table_t tokens = { +static const match_table_t tokens = { {OPT_FD, "fd=%u"}, {OPT_ROOTMODE, "rootmode=%o"}, {OPT_USER_ID, "user_id=%u"}, diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index df48333e6f01..f96eb90a2cfa 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -46,7 +46,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_lockproto, "lockproto=%s"}, {Opt_locktable, "locktable=%s"}, {Opt_hostdata, "hostdata=%s"}, diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 4abb1047c689..3c7c7637719c 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -173,7 +173,7 @@ enum { opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { { opt_uid, "uid=%u" }, { opt_gid, "gid=%u" }, { opt_umask, "umask=%o" }, diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c index 9997cbf8beb5..9699c56d323f 100644 --- a/fs/hfsplus/options.c +++ b/fs/hfsplus/options.c @@ -25,7 +25,7 @@ enum { opt_force, opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { { opt_creator, "creator=%s" }, { opt_type, "type=%s" }, { opt_umask, "umask=%o" }, diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index b8ae9c90ada0..29ad461d568f 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -215,7 +215,7 @@ enum { Opt_timeshift, Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_help, "help"}, {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 3f58923fb39b..61edc701b0e6 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -57,7 +57,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_size, "size=%s"}, {Opt_nr_inodes, "nr_inodes=%s"}, {Opt_mode, "mode=%o"}, diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 26948a6033b6..3f8af0f1505b 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -310,7 +310,7 @@ enum { Opt_nocompress, Opt_hide, Opt_showassoc, Opt_dmode, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_norock, "norock"}, {Opt_nojoliet, "nojoliet"}, {Opt_unhide, "unhide"}, diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 3630718be395..0dae345e481b 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -199,7 +199,7 @@ enum { Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_integrity, "integrity"}, {Opt_nointegrity, "nointegrity"}, {Opt_iocharset, "iocharset=%s"}, diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c index 46763d1cd397..8478fc25daee 100644 --- a/fs/nfs/nfsroot.c +++ b/fs/nfs/nfsroot.c @@ -127,7 +127,7 @@ enum { Opt_err }; -static match_table_t __initdata tokens = { +static match_table_t __initconst tokens = { {Opt_port, "port=%u"}, {Opt_rsize, "rsize=%u"}, {Opt_wsize, "wsize=%u"}, diff --git a/fs/nfs/super.c b/fs/nfs/super.c index e9b20173fef3..ffb697416cb1 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -98,7 +98,7 @@ enum { Opt_err }; -static match_table_t nfs_mount_option_tokens = { +static const match_table_t nfs_mount_option_tokens = { { Opt_userspace, "bg" }, { Opt_userspace, "fg" }, { Opt_userspace, "retry=%s" }, @@ -163,7 +163,7 @@ enum { Opt_xprt_err }; -static match_table_t nfs_xprt_protocol_tokens = { +static const match_table_t nfs_xprt_protocol_tokens = { { Opt_xprt_udp, "udp" }, { Opt_xprt_tcp, "tcp" }, { Opt_xprt_rdma, "rdma" }, @@ -180,7 +180,7 @@ enum { Opt_sec_err }; -static match_table_t nfs_secflavor_tokens = { +static const match_table_t nfs_secflavor_tokens = { { Opt_sec_none, "none" }, { Opt_sec_none, "null" }, { Opt_sec_sys, "sys" }, diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 88255d3f52b4..70334d85aff1 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -157,7 +157,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_barrier, "barrier=%u"}, {Opt_err_panic, "errors=panic"}, {Opt_err_ro, "errors=remount-ro"}, diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index d29047b1b9b0..cbf047a847c5 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -346,7 +346,7 @@ enum { Opt_uid, Opt_gid, Opt_umask, Opt_dmask, Opt_fmask }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_uid, "uid=%u"}, {Opt_gid, "gid=%u"}, {Opt_umask, "umask=%o"}, diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 3f4902060c7a..9a9220333b3b 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -848,7 +848,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_fast_unmount, "fast_unmount"}, {Opt_norm_unmount, "norm_unmount"}, {Opt_err, NULL}, diff --git a/fs/udf/super.c b/fs/udf/super.c index 5698bbf83bbf..e25e7010627b 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -369,7 +369,7 @@ enum { Opt_err, Opt_uforget, Opt_uignore, Opt_gforget, Opt_gignore }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_novrs, "novrs"}, {Opt_nostrict, "nostrict"}, {Opt_bs, "bs=%u"}, diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 3141969b456d..e65212dfb60e 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -309,7 +309,7 @@ enum { Opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_type_old, "ufstype=old"}, {Opt_type_sunx86, "ufstype=sunx86"}, {Opt_type_sun, "ufstype=sun"}, @@ -1233,7 +1233,7 @@ static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs) { struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb); unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE; - struct match_token *tp = tokens; + const struct match_token *tp = tokens; while (tp->token != Opt_onerror_panic && tp->token != mval) ++tp; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 18d3c8487835..7227b2efef22 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -158,7 +158,7 @@ enum { Opt_barrier, Opt_nobarrier, Opt_err }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_barrier, "barrier"}, {Opt_nobarrier, "nobarrier"}, {Opt_err, NULL} diff --git a/include/linux/parser.h b/include/linux/parser.h index 7dcd05075756..ea2281e726f6 100644 --- a/include/linux/parser.h +++ b/include/linux/parser.h @@ -25,7 +25,7 @@ typedef struct { char *to; } substring_t; -int match_token(char *, match_table_t table, substring_t args[]); +int match_token(char *, const match_table_t table, substring_t args[]); int match_int(substring_t *, int *result); int match_octal(substring_t *, int *result); int match_hex(substring_t *, int *result); diff --git a/lib/parser.c b/lib/parser.c index 4f0cbc03e0e8..b00d02059a5f 100644 --- a/lib/parser.c +++ b/lib/parser.c @@ -100,7 +100,7 @@ static int match_one(char *s, const char *p, substring_t args[]) * format identifiers which will be taken into account when matching the * tokens, and whose locations will be returned in the @args array. */ -int match_token(char *s, match_table_t table, substring_t args[]) +int match_token(char *s, const match_table_t table, substring_t args[]) { const struct match_token *p; diff --git a/net/9p/client.c b/net/9p/client.c index 10e320307ec0..e053e06028a5 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -52,7 +52,7 @@ enum { Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_msize, "msize=%u"}, {Opt_legacy, "noextend"}, {Opt_trans, "trans=%s"}, diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index d652baf5ff91..6dabbdb66651 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -86,7 +86,7 @@ enum { Opt_port, Opt_rfdno, Opt_wfdno, Opt_err, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_port, "port=%u"}, {Opt_rfdno, "rfdno=%u"}, {Opt_wfdno, "wfdno=%u"}, diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 88f19536efad..576e51199079 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -325,7 +325,7 @@ enum { Opt_rootcontext = 4, }; -static match_table_t tokens = { +static const match_table_t tokens = { {Opt_context, CONTEXT_STR "%s"}, {Opt_fscontext, FSCONTEXT_STR "%s"}, {Opt_defcontext, DEFCONTEXT_STR "%s"}, -- GitLab From 4501a466f28788485604ee42641d7a5fe7258d16 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 13 Oct 2008 09:24:58 -0700 Subject: [PATCH 4402/6244] MAINTAINERS: move F: line so that it does not break S: line info Move F: line so that it doesn't break the S: line and its explanations. Signed-off-by: Randy Dunlap Reported-by: Jianjun Kong Signed-off-by: Linus Torvalds --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 74b808205312..988b0a852890 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -72,8 +72,8 @@ M: Mail patches to L: Mailing list that is relevant to this area W: Web-page with status/info T: SCM tree type and location. Type is one of: git, hg, quilt. -S: Status, one of the following: F: Applicable files and/or directories +S: Status, one of the following: Supported: Someone is actually paid to look after this. Maintained: Someone actually looks after it. -- GitLab From 8f808417fe211648c0816e28947cdc74eb1e1032 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 26 Feb 2008 19:47:03 +0200 Subject: [PATCH 4403/6244] CRIS: proper defconfig setup This patch moves the cris defconfigs to arch/cris/configs/ where they belong. As a side effect they can now be used directly through e.g. make ARCH=cris artpec_3_defconfig The default defconfig is set through KBUILD_DEFCONFIG. Signed-off-by: Adrian Bunk Signed-off-by: Jesper Nilsson --- arch/cris/Makefile | 2 ++ arch/cris/{ => configs}/artpec_3_defconfig | 0 arch/cris/{arch-v10/defconfig => configs/etrax-100lx_defconfig} | 0 arch/cris/{defconfig => configs/etrax-100lx_v2_defconfig} | 0 arch/cris/{ => configs}/etraxfs_defconfig | 0 5 files changed, 2 insertions(+) rename arch/cris/{ => configs}/artpec_3_defconfig (100%) rename arch/cris/{arch-v10/defconfig => configs/etrax-100lx_defconfig} (100%) rename arch/cris/{defconfig => configs/etrax-100lx_v2_defconfig} (100%) rename arch/cris/{ => configs}/etraxfs_defconfig (100%) diff --git a/arch/cris/Makefile b/arch/cris/Makefile index 838cd2ae03ae..c6f5f5a2ffdf 100644 --- a/arch/cris/Makefile +++ b/arch/cris/Makefile @@ -10,6 +10,8 @@ # License. See the file "COPYING" in the main directory of this archive # for more details. +KBUILD_DEFCONFIG := etrax-100lx_v2_defconfig + arch-y := v10 arch-$(CONFIG_ETRAX_ARCH_V10) := v10 arch-$(CONFIG_ETRAX_ARCH_V32) := v32 diff --git a/arch/cris/artpec_3_defconfig b/arch/cris/configs/artpec_3_defconfig similarity index 100% rename from arch/cris/artpec_3_defconfig rename to arch/cris/configs/artpec_3_defconfig diff --git a/arch/cris/arch-v10/defconfig b/arch/cris/configs/etrax-100lx_defconfig similarity index 100% rename from arch/cris/arch-v10/defconfig rename to arch/cris/configs/etrax-100lx_defconfig diff --git a/arch/cris/defconfig b/arch/cris/configs/etrax-100lx_v2_defconfig similarity index 100% rename from arch/cris/defconfig rename to arch/cris/configs/etrax-100lx_v2_defconfig diff --git a/arch/cris/etraxfs_defconfig b/arch/cris/configs/etraxfs_defconfig similarity index 100% rename from arch/cris/etraxfs_defconfig rename to arch/cris/configs/etraxfs_defconfig -- GitLab From aa95f0e76571dc1b067d2839c11f2e5589d063d7 Mon Sep 17 00:00:00 2001 From: Sergei Shtylylov Date: Mon, 13 Oct 2008 21:39:29 +0200 Subject: [PATCH 4404/6244] sgiioc4: sgiioc4_read_status drive busy check fix Fix the drive non-busy criterion used by sgiioc4_read_status(): neither of the bits it expects to be set guarantees that the drive is not busy (and might be interrupting), only the BSY bit itself being zero gurantees that. While at it, use ATA_BUSY instead of hardcoded value everywhere... Signed-off-by: Sergei Shtylyov Cc: jeremy@sgi.com Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/sgiioc4.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 1017fb4f6317..12ad4ca4b037 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2003-2006 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (C) 2008 MontaVista Software, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License @@ -150,7 +151,7 @@ sgiioc4_clearirq(ide_drive_t * drive) int count = 0; stat = sgiioc4_read_status(hwif); - while ((stat & 0x80) && (count++ < 100)) { + while ((stat & ATA_BUSY) && (count++ < 100)) { udelay(1); stat = sgiioc4_read_status(hwif); } @@ -310,7 +311,7 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif) u8 reg = (u8) readb((void __iomem *) port); if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */ - if (reg & 0x51) { /* Not busy...check for interrupt */ + if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */ unsigned long other_ir = port - 0x110; unsigned int intr_reg = (u32) readl((void __iomem *) other_ir); -- GitLab From 9b5a18e19f8c610c270ee9a0ba03177d737f6aa5 Mon Sep 17 00:00:00 2001 From: Sergei Shtylylov Date: Mon, 13 Oct 2008 21:39:30 +0200 Subject: [PATCH 4405/6244] sgiioc4: fix messages Fix several issues with the log messages printed by ide_dma_sgiioc4() and sgiioc4_ide_setup_pci_device(): - IOC4 registers are memory-mapped but the "BM-DMA at" format corresponds to I/O mapped registers; - "%p" format specifiers and type casts used to print non-pointer values; - using KERN_INFO log level for the error message; - 'hwif->name' printed as drive's name. While at it, also: - return more fitting -EBUSY if request_mem_region() fails; - make the error message style consistent; - fix indentation, put the printk() facility and message on the same line; - use comparisions with NULL instead of ! operator.. Signed-off-by: Sergei Shtylyov Cc: jeremy@sgi.com Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/sgiioc4.c | 39 ++++++++++++++++----------------------- 1 file changed, 16 insertions(+), 23 deletions(-) diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 12ad4ca4b037..84cd986810cf 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -339,23 +339,20 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) if (dma_base == 0) return -1; - printk(KERN_INFO "%s: BM-DMA at 0x%04lx-0x%04lx\n", hwif->name, - dma_base, dma_base + num_ports - 1); + printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); - if (!request_mem_region(dma_base, num_ports, hwif->name)) { - printk(KERN_ERR - "%s(%s) -- ERROR, Addresses 0x%p to 0x%p " - "ALREADY in use\n", - __func__, hwif->name, (void *) dma_base, - (void *) dma_base + num_ports - 1); + if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) { + printk(KERN_ERR "%s(%s) -- ERROR: addresses 0x%08lx to 0x%08lx " + "already in use\n", __func__, hwif->name, + dma_base, dma_base + num_ports - 1); return -1; } virt_dma_base = ioremap(dma_base, num_ports); if (virt_dma_base == NULL) { - printk(KERN_ERR - "%s(%s) -- ERROR, Unable to map addresses 0x%lx to 0x%lx\n", - __func__, hwif->name, dma_base, dma_base + num_ports - 1); + printk(KERN_ERR "%s(%s) -- ERROR: unable to map addresses " + "0x%lx to 0x%lx\n", __func__, hwif->name, + dma_base, dma_base + num_ports - 1); goto dma_remap_failure; } hwif->dma_base = (unsigned long) virt_dma_base; @@ -378,11 +375,9 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) pci_free_consistent(dev, IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, hwif->dmatable_cpu, hwif->dmatable_dma); - printk(KERN_INFO - "%s() -- Error! Unable to allocate DMA Maps for drive %s\n", + printk(KERN_ERR "%s(%s) -- ERROR: Unable to allocate DMA maps\n", __func__, hwif->name); - printk(KERN_INFO - "Changing from DMA to PIO mode for Drive %s\n", hwif->name); + printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name); dma_pci_alloc_failure: iounmap(virt_dma_base); @@ -618,14 +613,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) irqport = (unsigned long) virt_base + IOC4_INTR_OFFSET; cmd_phys_base = bar0 + IOC4_CMD_OFFSET; - if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE, - DRV_NAME)) { - printk(KERN_ERR - "%s %s: -- ERROR, Addresses " - "0x%p to 0x%p ALREADY in use\n", - DRV_NAME, pci_name(dev), (void *)cmd_phys_base, - (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE); - return -ENOMEM; + if (request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE, + DRV_NAME) == NULL) { + printk(KERN_ERR "%s %s -- ERROR: addresses 0x%08lx to 0x%08lx " + "already in use\n", DRV_NAME, pci_name(dev), + cmd_phys_base, cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE); + return -EBUSY; } /* Initialize the IO registers */ -- GitLab From b14c72127fbe8f97e49de7437520175673f7306a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:30 +0200 Subject: [PATCH 4406/6244] ide: drop dsc_handle argument from ide_pc_intr() * Add 'int dsc' argument to ->pc_callback method. * Call ide_tape_handle_dsc() internally in ide_tape_callback() if dsc argument is set and update ide_pc_intr() accordingly. There should be no functional changes caused by this patch. Cc: Borislav Petkov Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 16 +++++++--------- drivers/ide/ide-floppy.c | 6 +++--- drivers/ide/ide-tape.c | 13 +++++++++---- drivers/scsi/ide-scsi.c | 5 ++--- include/linux/ide.h | 4 ++-- 5 files changed, 23 insertions(+), 21 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 608c5bade929..fb27c94aeb0d 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -207,7 +207,7 @@ EXPORT_SYMBOL_GPL(ide_set_media_lock); ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), + void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { ide_hwif_t *hwif = drive->hwif; @@ -216,12 +216,12 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, xfer_func_t *xferfunc; unsigned int temp; u16 bcount; - u8 stat, ireason, scsi = drive->scsi; + u8 stat, ireason, scsi = drive->scsi, dsc = 0; debug_log("Enter %s - interrupt handler\n", __func__); if (pc->flags & PC_FLAG_TIMEDOUT) { - drive->pc_callback(drive); + drive->pc_callback(drive, 0); return ide_stopped; } @@ -283,14 +283,12 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, } cmd_finished: pc->error = 0; - if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && - (stat & ATA_DSC) == 0) { - dsc_handle(drive); - return ide_stopped; - } + + if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && (stat & ATA_DSC) == 0) + dsc = 1; /* Command finished - Call the callback function */ - drive->pc_callback(drive); + drive->pc_callback(drive, dsc); return ide_stopped; } diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index d36f155470a4..b33080675f6b 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -156,7 +156,7 @@ static void idefloppy_update_buffers(ide_drive_t *drive, idefloppy_end_request(drive, 1, 0); } -static void ide_floppy_callback(ide_drive_t *drive) +static void ide_floppy_callback(ide_drive_t *drive, int dsc) { idefloppy_floppy_t *floppy = drive->driver_data; struct ide_atapi_pc *pc = floppy->pc; @@ -223,7 +223,7 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr, WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers, - idefloppy_retry_pc, NULL, ide_io_buffers); + idefloppy_retry_pc, ide_io_buffers); } /* @@ -308,7 +308,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->error = IDEFLOPPY_ERROR_GENERAL; floppy->failed_pc = NULL; - drive->pc_callback(drive); + drive->pc_callback(drive, 0); return ide_stopped; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index f8c84df4a0bc..70b499a617d8 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -522,7 +522,9 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) return 0; } -static void ide_tape_callback(ide_drive_t *drive) +static void ide_tape_handle_dsc(ide_drive_t *); + +static void ide_tape_callback(ide_drive_t *drive, int dsc) { idetape_tape_t *tape = drive->driver_data; struct ide_atapi_pc *pc = tape->pc; @@ -530,6 +532,9 @@ static void ide_tape_callback(ide_drive_t *drive) debug_log(DBG_PROCS, "Enter %s\n", __func__); + if (dsc) + ide_tape_handle_dsc(drive); + if (tape->failed_pc == pc) tape->failed_pc = NULL; @@ -658,7 +663,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD, NULL, idetape_update_buffers, idetape_retry_pc, - ide_tape_handle_dsc, ide_tape_io_buffers); + ide_tape_io_buffers); } /* @@ -743,7 +748,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->error = IDETAPE_ERROR_GENERAL; } tape->failed_pc = NULL; - drive->pc_callback(drive); + drive->pc_callback(drive, 0); return ide_stopped; } debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]); @@ -805,7 +810,7 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) pc->error = IDETAPE_ERROR_GENERAL; tape->failed_pc = NULL; } - drive->pc_callback(drive); + drive->pc_callback(drive, 0); return ide_stopped; } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 90212ac33be3..b9bfec24e913 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -137,7 +137,7 @@ static void ide_scsi_hex_dump(u8 *data, int len) static int idescsi_end_request(ide_drive_t *, int, int); -static void ide_scsi_callback(ide_drive_t *drive) +static void ide_scsi_callback(ide_drive_t *drive, int dsc) { idescsi_scsi_t *scsi = drive_to_idescsi(drive); struct ide_atapi_pc *pc = scsi->pc; @@ -298,8 +298,7 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) struct ide_atapi_pc *pc = scsi->pc; return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc), - idescsi_expiry, NULL, NULL, NULL, - ide_io_buffers); + idescsi_expiry, NULL, NULL, ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) diff --git a/include/linux/ide.h b/include/linux/ide.h index a9d82d6e6bdd..93fd2bc17bf8 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -485,7 +485,7 @@ struct ide_drive_s { struct completion gendev_rel_comp; /* to deal with device release() */ /* callback for packet commands */ - void (*pc_callback)(struct ide_drive_s *); + void (*pc_callback)(struct ide_drive_s *, int); unsigned long atapi_flags; }; @@ -1174,7 +1174,7 @@ int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), + void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int)); ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, -- GitLab From 2b9efba48283f34083df6bc53f6752fba4e4d409 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:31 +0200 Subject: [PATCH 4407/6244] ide: add pointer to the current packet command to ide_drive_t * Add pointer to the current packet command (struct ide_atapi_pc *pc) to ide_drive_t and use it instead of the pointer in struct ide_*_obj. * Use drive->pc in ide_{issue,transfer}_pc() and ide_pc_intr() instead of 'pc' argument. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 9 ++++--- drivers/ide/ide-floppy.c | 20 ++++++-------- drivers/ide/ide-floppy.h | 2 -- drivers/ide/ide-tape.c | 31 ++++++++------------- drivers/scsi/ide-scsi.c | 58 +++++++++++++++++++--------------------- include/linux/ide.h | 10 ++++--- 6 files changed, 60 insertions(+), 70 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index fb27c94aeb0d..0069c4f08244 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -204,12 +204,13 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) EXPORT_SYMBOL_GPL(ide_set_media_lock); /* TODO: unify the code thus making some arguments go away */ -ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { + struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->hwgroup->rq; const struct ide_tp_ops *tp_ops = hwif->tp_ops; @@ -416,10 +417,11 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) return ireason; } -ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, +ide_startstop_t ide_transfer_pc(ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry) { + struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->hwgroup->rq; ide_startstop_t startstop; @@ -458,10 +460,11 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, } EXPORT_SYMBOL_GPL(ide_transfer_pc); -ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc, +ide_startstop_t ide_issue_pc(ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry) { + struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; u16 bcount; u8 dma = 0; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index b33080675f6b..cb89caf07913 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -159,7 +159,7 @@ static void idefloppy_update_buffers(ide_drive_t *drive, static void ide_floppy_callback(ide_drive_t *drive, int dsc) { idefloppy_floppy_t *floppy = drive->driver_data; - struct ide_atapi_pc *pc = floppy->pc; + struct ide_atapi_pc *pc = drive->pc; int uptodate = pc->error ? 0 : 1; debug_log("Reached %s\n", __func__); @@ -171,7 +171,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) (pc->rq && blk_pc_request(pc->rq))) uptodate = 1; /* FIXME */ else if (pc->c[0] == GPCMD_REQUEST_SENSE) { - u8 *buf = floppy->pc->buf; + u8 *buf = pc->buf; if (!pc->error) { floppy->sense_key = buf[2] & 0x0F; @@ -219,9 +219,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive) /* The usual interrupt handler called during a packet command. */ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { - idefloppy_floppy_t *floppy = drive->driver_data; - - return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr, + return ide_pc_intr(drive, idefloppy_pc_intr, WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers, idefloppy_retry_pc, ide_io_buffers); } @@ -234,10 +232,8 @@ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) */ static int idefloppy_transfer_pc(ide_drive_t *drive) { - idefloppy_floppy_t *floppy = drive->driver_data; - /* Send the actual packet */ - drive->hwif->tp_ops->output_data(drive, NULL, floppy->pc->c, 12); + drive->hwif->tp_ops->output_data(drive, NULL, drive->pc->c, 12); /* Timeout for the packet command */ return WAIT_FLOPPY_CMD; @@ -251,7 +247,6 @@ static int idefloppy_transfer_pc(ide_drive_t *drive) static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; - struct ide_atapi_pc *pc = floppy->pc; ide_expiry_t *expiry; unsigned int timeout; @@ -271,7 +266,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) expiry = NULL; } - return ide_transfer_pc(drive, pc, idefloppy_pc_intr, timeout, expiry); + return ide_transfer_pc(drive, idefloppy_pc_intr, timeout, expiry); } static void ide_floppy_report_error(idefloppy_floppy_t *floppy, @@ -298,8 +293,9 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, if (floppy->failed_pc == NULL && pc->c[0] != GPCMD_REQUEST_SENSE) floppy->failed_pc = pc; + /* Set the current packet command */ - floppy->pc = pc; + drive->pc = pc; if (pc->retries > IDEFLOPPY_MAX_PC_RETRIES) { if (!(pc->flags & PC_FLAG_SUPPRESS_ERROR)) @@ -316,7 +312,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->retries++; - return ide_issue_pc(drive, pc, idefloppy_start_pc_transfer, + return ide_issue_pc(drive, idefloppy_start_pc_transfer, WAIT_FLOPPY_CMD, NULL); } diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index ecadc2bc322d..6eee8d3a7243 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -13,8 +13,6 @@ typedef struct ide_floppy_obj { struct kref kref; unsigned int openers; /* protected by BKL for now */ - /* Current packet command */ - struct ide_atapi_pc *pc; /* Last failed packet command */ struct ide_atapi_pc *failed_pc; /* used for blk_{fs,pc}_request() requests */ diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 70b499a617d8..5b2ac04d9be9 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -172,15 +172,11 @@ typedef struct ide_tape_obj { struct kref kref; /* - * pc points to the current processed packet command. - * * failed_pc points to the last failed packet command, or contains * NULL if we do not need to retry any packet command. This is * required since an additional packet command is needed before the * retry, to get detailed information on what went wrong. */ - /* Current packet command */ - struct ide_atapi_pc *pc; /* Last failed packet command */ struct ide_atapi_pc *failed_pc; /* used by REQ_IDETAPE_{READ,WRITE} requests */ @@ -527,7 +523,7 @@ static void ide_tape_handle_dsc(ide_drive_t *); static void ide_tape_callback(ide_drive_t *drive, int dsc) { idetape_tape_t *tape = drive->driver_data; - struct ide_atapi_pc *pc = tape->pc; + struct ide_atapi_pc *pc = drive->pc; int uptodate = pc->error ? 0 : 1; debug_log(DBG_PROCS, "Enter %s\n", __func__); @@ -563,7 +559,7 @@ static void ide_tape_callback(ide_drive_t *drive, int dsc) if (pc->error) uptodate = pc->error; } else if (pc->c[0] == READ_POSITION && uptodate) { - u8 *readpos = tape->pc->buf; + u8 *readpos = pc->buf; debug_log(DBG_SENSE, "BOP - %s\n", (readpos[0] & 0x80) ? "Yes" : "No"); @@ -659,9 +655,7 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { - idetape_tape_t *tape = drive->driver_data; - - return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD, + return ide_pc_intr(drive, idetape_pc_intr, WAIT_TAPE_CMD, NULL, idetape_update_buffers, idetape_retry_pc, ide_tape_io_buffers); } @@ -669,7 +663,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) /* * Packet Command Interface * - * The current Packet Command is available in tape->pc, and will not change + * The current Packet Command is available in drive->pc, and will not change * until we finish handling it. Each packet command is associated with a * callback function that will be called when the command is finished. * @@ -704,10 +698,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) */ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) { - idetape_tape_t *tape = drive->driver_data; - - return ide_transfer_pc(drive, tape->pc, idetape_pc_intr, - WAIT_TAPE_CMD, NULL); + return ide_transfer_pc(drive, idetape_pc_intr, WAIT_TAPE_CMD, NULL); } static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, @@ -715,7 +706,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, { idetape_tape_t *tape = drive->driver_data; - if (tape->pc->c[0] == REQUEST_SENSE && + if (drive->pc->c[0] == REQUEST_SENSE && pc->c[0] == REQUEST_SENSE) { printk(KERN_ERR "ide-tape: possible ide-tape.c bug - " "Two request sense in serial were issued\n"); @@ -723,8 +714,9 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, if (tape->failed_pc == NULL && pc->c[0] != REQUEST_SENSE) tape->failed_pc = pc; + /* Set the current packet command */ - tape->pc = pc; + drive->pc = pc; if (pc->retries > IDETAPE_MAX_PC_RETRIES || (pc->flags & PC_FLAG_ABORT)) { @@ -755,8 +747,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->retries++; - return ide_issue_pc(drive, pc, idetape_transfer_pc, - WAIT_TAPE_CMD, NULL); + return ide_issue_pc(drive, idetape_transfer_pc, WAIT_TAPE_CMD, NULL); } /* A mode sense command is used to "sense" tape parameters. */ @@ -790,7 +781,7 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - struct ide_atapi_pc *pc = tape->pc; + struct ide_atapi_pc *pc = drive->pc; u8 stat; stat = hwif->tp_ops->read_status(hwif); @@ -867,7 +858,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } /* Retry a failed packet command */ - if (tape->failed_pc && tape->pc->c[0] == REQUEST_SENSE) { + if (tape->failed_pc && drive->pc->c[0] == REQUEST_SENSE) { pc = tape->failed_pc; goto out; } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index b9bfec24e913..bb8b3b123c7d 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -82,7 +82,6 @@ typedef struct ide_scsi_obj { struct gendisk *disk; struct Scsi_Host *host; - struct ide_atapi_pc *pc; /* Current packet command */ unsigned long transform; /* SCSI cmd translation layer */ unsigned long log; /* log flags */ } idescsi_scsi_t; @@ -140,7 +139,7 @@ static int idescsi_end_request(ide_drive_t *, int, int); static void ide_scsi_callback(ide_drive_t *drive, int dsc) { idescsi_scsi_t *scsi = drive_to_idescsi(drive); - struct ide_atapi_pc *pc = scsi->pc; + struct ide_atapi_pc *pc = drive->pc; if (pc->flags & PC_FLAG_TIMEDOUT) debug_log("%s: got timed out packet %lu at %lu\n", __func__, @@ -267,7 +266,7 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) spin_unlock_irqrestore(host->host_lock, flags); kfree(pc); blk_put_request(rq); - scsi->pc = NULL; + drive->pc = NULL; return 0; } @@ -278,8 +277,7 @@ static inline unsigned long get_timeout(struct ide_atapi_pc *pc) static int idescsi_expiry(ide_drive_t *drive) { - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - struct ide_atapi_pc *pc = scsi->pc; + struct ide_atapi_pc *pc = drive->pc; debug_log("%s called for %lu at %lu\n", __func__, pc->scsi_cmd->serial_number, jiffies); @@ -294,19 +292,14 @@ static int idescsi_expiry(ide_drive_t *drive) */ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) { - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - struct ide_atapi_pc *pc = scsi->pc; - - return ide_pc_intr(drive, pc, idescsi_pc_intr, get_timeout(pc), + return ide_pc_intr(drive, idescsi_pc_intr, get_timeout(drive->pc), idescsi_expiry, NULL, NULL, ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) { - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - - return ide_transfer_pc(drive, scsi->pc, idescsi_pc_intr, - get_timeout(scsi->pc), idescsi_expiry); + return ide_transfer_pc(drive, idescsi_pc_intr, + get_timeout(drive->pc), idescsi_expiry); } static inline int idescsi_set_direction(struct ide_atapi_pc *pc) @@ -351,12 +344,10 @@ static int idescsi_map_sg(ide_drive_t *drive, struct ide_atapi_pc *pc) static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc) { - idescsi_scsi_t *scsi = drive_to_idescsi(drive); - /* Set the current packet command */ - scsi->pc = pc; + drive->pc = pc; - return ide_issue_pc(drive, pc, idescsi_transfer_pc, + return ide_issue_pc(drive, idescsi_transfer_pc, get_timeout(pc), idescsi_expiry); } @@ -621,6 +612,8 @@ static int idescsi_eh_abort (struct scsi_cmnd *cmd) int busy; int ret = FAILED; + struct ide_atapi_pc *pc; + /* In idescsi_eh_abort we try to gently pry our command from the ide subsystem */ if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) @@ -641,26 +634,27 @@ static int idescsi_eh_abort (struct scsi_cmnd *cmd) spin_lock_irq(&ide_lock); /* If there is no pc running we're done (our interrupt took care of it) */ - if (!scsi->pc) { + pc = drive->pc; + if (pc == NULL) { ret = SUCCESS; goto ide_unlock; } /* It's somewhere in flight. Does ide subsystem agree? */ - if (scsi->pc->scsi_cmd->serial_number == cmd->serial_number && !busy && - elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != scsi->pc->rq) { + if (pc->scsi_cmd->serial_number == cmd->serial_number && !busy && + elv_queue_empty(drive->queue) && HWGROUP(drive)->rq != pc->rq) { /* * FIXME - not sure this condition can ever occur */ printk (KERN_ERR "ide-scsi: cmd aborted!\n"); - if (blk_sense_request(scsi->pc->rq)) - kfree(scsi->pc->buf); + if (blk_sense_request(pc->rq)) + kfree(pc->buf); /* we need to call blk_put_request twice. */ - blk_put_request(scsi->pc->rq); - blk_put_request(scsi->pc->rq); - kfree(scsi->pc); - scsi->pc = NULL; + blk_put_request(pc->rq); + blk_put_request(pc->rq); + kfree(pc); + drive->pc = NULL; ret = SUCCESS; } @@ -682,6 +676,8 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd) int ready = 0; int ret = SUCCESS; + struct ide_atapi_pc *pc; + /* In idescsi_eh_reset we forcefully remove the command from the ide subsystem and reset the device. */ if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) @@ -696,7 +692,9 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd) spin_lock_irq(cmd->device->host->host_lock); spin_lock(&ide_lock); - if (!scsi->pc || (req = scsi->pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) { + pc = drive->pc; + + if (pc == NULL || (req = pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) { printk (KERN_WARNING "ide-scsi: No active request in idescsi_eh_reset\n"); spin_unlock(&ide_lock); spin_unlock_irq(cmd->device->host->host_lock); @@ -707,9 +705,9 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd) if (__blk_end_request(req, -EIO, 0)) BUG(); if (blk_sense_request(req)) - kfree(scsi->pc->buf); - kfree(scsi->pc); - scsi->pc = NULL; + kfree(pc->buf); + kfree(pc); + drive->pc = NULL; blk_put_request(req); /* now nuke the drive queue */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 93fd2bc17bf8..98d29df1ee04 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -322,6 +322,7 @@ typedef enum { ide_started, /* a drive operation was started, handler was set */ } ide_startstop_t; +struct ide_atapi_pc; struct ide_devset; struct ide_driver_s; @@ -484,6 +485,9 @@ struct ide_drive_s { struct device gendev; struct completion gendev_rel_comp; /* to deal with device release() */ + /* current packet command */ + struct ide_atapi_pc *pc; + /* callback for packet commands */ void (*pc_callback)(struct ide_drive_s *, int); @@ -1171,15 +1175,15 @@ int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int)); -ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, +ide_startstop_t ide_transfer_pc(ide_drive_t *, ide_handler_t *, unsigned int, ide_expiry_t *); -ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *, +ide_startstop_t ide_issue_pc(ide_drive_t *, ide_handler_t *, unsigned int, ide_expiry_t *); ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -- GitLab From 844b9468523c8c2c45b90df4efcabcbe4926b5ab Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:31 +0200 Subject: [PATCH 4408/6244] ide: drop 'timeout' and 'expiry' arguments from ide_pc_intr() * Move idescsi_expiry() to ide-atapi.c. * Move get_timeout() to . * Drop 'timeout' and 'expiry' arguments from ide_pc_intr(). While at it: * idescsi_expiry() -> ide_scsi_expiry() * get_timeout() -> ide_scsi_get_timeout() There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 34 +++++++++++++++++++++++++++------- drivers/ide/ide-floppy.c | 3 +-- drivers/ide/ide-tape.c | 5 ++--- drivers/scsi/ide-scsi.c | 25 ++++--------------------- include/linux/ide.h | 10 ++++++++-- 5 files changed, 42 insertions(+), 35 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 0069c4f08244..184835141412 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -203,9 +203,21 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) } EXPORT_SYMBOL_GPL(ide_set_media_lock); +int ide_scsi_expiry(ide_drive_t *drive) +{ + struct ide_atapi_pc *pc = drive->pc; + + debug_log("%s called for %lu at %lu\n", __func__, + pc->scsi_cmd->serial_number, jiffies); + + pc->flags |= PC_FLAG_TIMEDOUT; + + return 0; /* we do not want the IDE subsystem to retry */ +} +EXPORT_SYMBOL_GPL(ide_scsi_expiry); + /* TODO: unify the code thus making some arguments go away */ -ide_startstop_t ide_pc_intr(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) @@ -215,12 +227,22 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct request *rq = hwif->hwgroup->rq; const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xferfunc; - unsigned int temp; + ide_expiry_t *expiry; + unsigned int timeout, temp; u16 bcount; u8 stat, ireason, scsi = drive->scsi, dsc = 0; debug_log("Enter %s - interrupt handler\n", __func__); + if (scsi) { + timeout = ide_scsi_get_timeout(pc); + expiry = ide_scsi_expiry; + } else { + timeout = (drive->media == ide_floppy) ? WAIT_FLOPPY_CMD + : WAIT_TAPE_CMD; + expiry = NULL; + } + if (pc->flags & PC_FLAG_TIMEDOUT) { drive->pc_callback(drive, 0); return ide_stopped; @@ -347,9 +369,7 @@ cmd_finished: pc->xferred += temp; pc->cur_pos += temp; ide_pad_transfer(drive, 0, bcount - temp); - ide_set_handler(drive, handler, timeout, - expiry); - return ide_started; + goto next_irq; } debug_log("The device wants to send us more data than " "expected - allowing transfer\n"); @@ -376,7 +396,7 @@ cmd_finished: debug_log("[cmd %x] transferred %d bytes on that intr.\n", rq->cmd[0], bcount); - +next_irq: /* And set the interrupt handler again */ ide_set_handler(drive, handler, timeout, expiry); return ide_started; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index cb89caf07913..49e702670b8e 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -219,8 +219,7 @@ static void idefloppy_retry_pc(ide_drive_t *drive) /* The usual interrupt handler called during a packet command. */ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idefloppy_pc_intr, - WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers, + return ide_pc_intr(drive, idefloppy_pc_intr, idefloppy_update_buffers, idefloppy_retry_pc, ide_io_buffers); } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 5b2ac04d9be9..fe8502afd2ea 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -655,9 +655,8 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idetape_pc_intr, WAIT_TAPE_CMD, - NULL, idetape_update_buffers, idetape_retry_pc, - ide_tape_io_buffers); + return ide_pc_intr(drive, idetape_pc_intr, idetape_update_buffers, + idetape_retry_pc, ide_tape_io_buffers); } /* diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index bb8b3b123c7d..f71d1b34c3b1 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -270,36 +270,19 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) return 0; } -static inline unsigned long get_timeout(struct ide_atapi_pc *pc) -{ - return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies); -} - -static int idescsi_expiry(ide_drive_t *drive) -{ - struct ide_atapi_pc *pc = drive->pc; - - debug_log("%s called for %lu at %lu\n", __func__, - pc->scsi_cmd->serial_number, jiffies); - - pc->flags |= PC_FLAG_TIMEDOUT; - - return 0; /* we do not want the ide subsystem to retry */ -} - /* * Our interrupt handler. */ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) { - return ide_pc_intr(drive, idescsi_pc_intr, get_timeout(drive->pc), - idescsi_expiry, NULL, NULL, ide_io_buffers); + return ide_pc_intr(drive, idescsi_pc_intr, NULL, NULL, ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) { return ide_transfer_pc(drive, idescsi_pc_intr, - get_timeout(drive->pc), idescsi_expiry); + ide_scsi_get_timeout(drive->pc), + ide_scsi_expiry); } static inline int idescsi_set_direction(struct ide_atapi_pc *pc) @@ -348,7 +331,7 @@ static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive, drive->pc = pc; return ide_issue_pc(drive, idescsi_transfer_pc, - get_timeout(pc), idescsi_expiry); + ide_scsi_get_timeout(pc), ide_scsi_expiry); } /* diff --git a/include/linux/ide.h b/include/linux/ide.h index 98d29df1ee04..3bf2bf0a56dc 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1175,8 +1175,14 @@ int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, +static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) +{ + return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies); +} + +int ide_scsi_expiry(ide_drive_t *); + +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, -- GitLab From 67c56364df843fb9e3ed1af014b8fbe4b22ff25d Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:31 +0200 Subject: [PATCH 4409/6244] ide: add request_sense_{pc,rq} to ide_drive_t Add 'struct ide_atapi_pc request_sense_pc' and 'request request_sense_rq' to ide_drive_t and use them instead of fields in struct ide_{floppy,tape}_obj. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 4 +- drivers/ide/ide-floppy.h | 3 - drivers/ide/ide-tape.c | 7 +- include/linux/ide.h | 134 ++++++++++++++++++++------------------- 4 files changed, 72 insertions(+), 76 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 49e702670b8e..6a1ade8ca9fe 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -208,8 +208,8 @@ void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *pc) static void idefloppy_retry_pc(ide_drive_t *drive) { struct ide_floppy_obj *floppy = drive->driver_data; - struct request *rq = &floppy->request_sense_rq; - struct ide_atapi_pc *pc = &floppy->request_sense_pc; + struct request *rq = &drive->request_sense_rq; + struct ide_atapi_pc *pc = &drive->request_sense_pc; (void)ide_read_error(drive); ide_floppy_create_request_sense_cmd(pc); diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index 6eee8d3a7243..e9e14c30fed7 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -18,9 +18,6 @@ typedef struct ide_floppy_obj { /* used for blk_{fs,pc}_request() requests */ struct ide_atapi_pc queued_pc; - struct ide_atapi_pc request_sense_pc; - struct request request_sense_rq; - /* Last error information */ u8 sense_key, asc, ascq; /* delay this long before sending packet command */ diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index fe8502afd2ea..72ecc5657db2 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -182,9 +182,6 @@ typedef struct ide_tape_obj { /* used by REQ_IDETAPE_{READ,WRITE} requests */ struct ide_atapi_pc queued_pc; - struct ide_atapi_pc request_sense_pc; - struct request request_sense_rq; - /* * DSC polling variables. * @@ -600,8 +597,8 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) static void idetape_retry_pc(ide_drive_t *drive) { struct ide_tape_obj *tape = drive->driver_data; - struct request *rq = &tape->request_sense_rq; - struct ide_atapi_pc *pc = &tape->request_sense_pc; + struct request *rq = &drive->request_sense_rq; + struct ide_atapi_pc *pc = &drive->request_sense_pc; (void)ide_read_error(drive); idetape_create_request_sense_cmd(pc); diff --git a/include/linux/ide.h b/include/linux/ide.h index 3bf2bf0a56dc..908b4fc9772c 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -322,7 +322,71 @@ typedef enum { ide_started, /* a drive operation was started, handler was set */ } ide_startstop_t; -struct ide_atapi_pc; +/* ATAPI packet command flags */ +enum { + /* set when an error is considered normal - no retry (ide-tape) */ + PC_FLAG_ABORT = (1 << 0), + PC_FLAG_SUPPRESS_ERROR = (1 << 1), + PC_FLAG_WAIT_FOR_DSC = (1 << 2), + PC_FLAG_DMA_OK = (1 << 3), + PC_FLAG_DMA_IN_PROGRESS = (1 << 4), + PC_FLAG_DMA_ERROR = (1 << 5), + PC_FLAG_WRITING = (1 << 6), + /* command timed out */ + PC_FLAG_TIMEDOUT = (1 << 7), +}; + +/* + * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes. + * This is used for several packet commands (not for READ/WRITE commands). + */ +#define IDE_PC_BUFFER_SIZE 256 + +struct ide_atapi_pc { + /* actual packet bytes */ + u8 c[12]; + /* incremented on each retry */ + int retries; + int error; + + /* bytes to transfer */ + int req_xfer; + /* bytes actually transferred */ + int xferred; + + /* data buffer */ + u8 *buf; + /* current buffer position */ + u8 *cur_pos; + int buf_size; + /* missing/available data on the current buffer */ + int b_count; + + /* the corresponding request */ + struct request *rq; + + unsigned long flags; + + /* + * those are more or less driver-specific and some of them are subject + * to change/removal later. + */ + u8 pc_buf[IDE_PC_BUFFER_SIZE]; + + /* idetape only */ + struct idetape_bh *bh; + char *b_data; + + /* idescsi only for now */ + struct scatterlist *sg; + unsigned int sg_cnt; + + struct scsi_cmnd *scsi_cmd; + void (*done) (struct scsi_cmnd *); + + unsigned long timeout; +}; + struct ide_devset; struct ide_driver_s; @@ -492,6 +556,9 @@ struct ide_drive_s { void (*pc_callback)(struct ide_drive_s *, int); unsigned long atapi_flags; + + struct ide_atapi_pc request_sense_pc; + struct request request_sense_rq; }; typedef struct ide_drive_s ide_drive_t; @@ -768,71 +835,6 @@ ide_decl_devset(pio_mode); ide_decl_devset(unmaskirq); ide_decl_devset(using_dma); -/* ATAPI packet command flags */ -enum { - /* set when an error is considered normal - no retry (ide-tape) */ - PC_FLAG_ABORT = (1 << 0), - PC_FLAG_SUPPRESS_ERROR = (1 << 1), - PC_FLAG_WAIT_FOR_DSC = (1 << 2), - PC_FLAG_DMA_OK = (1 << 3), - PC_FLAG_DMA_IN_PROGRESS = (1 << 4), - PC_FLAG_DMA_ERROR = (1 << 5), - PC_FLAG_WRITING = (1 << 6), - /* command timed out */ - PC_FLAG_TIMEDOUT = (1 << 7), -}; - -/* - * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes. - * This is used for several packet commands (not for READ/WRITE commands). - */ -#define IDE_PC_BUFFER_SIZE 256 - -struct ide_atapi_pc { - /* actual packet bytes */ - u8 c[12]; - /* incremented on each retry */ - int retries; - int error; - - /* bytes to transfer */ - int req_xfer; - /* bytes actually transferred */ - int xferred; - - /* data buffer */ - u8 *buf; - /* current buffer position */ - u8 *cur_pos; - int buf_size; - /* missing/available data on the current buffer */ - int b_count; - - /* the corresponding request */ - struct request *rq; - - unsigned long flags; - - /* - * those are more or less driver-specific and some of them are subject - * to change/removal later. - */ - u8 pc_buf[IDE_PC_BUFFER_SIZE]; - - /* idetape only */ - struct idetape_bh *bh; - char *b_data; - - /* idescsi only for now */ - struct scatterlist *sg; - unsigned int sg_cnt; - - struct scsi_cmnd *scsi_cmd; - void (*done) (struct scsi_cmnd *); - - unsigned long timeout; -}; - #ifdef CONFIG_IDE_PROC_FS /* * /proc/ide interface -- GitLab From 6b0da28b2d0f4f4e2c55689fc062db569075ff60 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:32 +0200 Subject: [PATCH 4410/6244] ide: add ide_retry_pc() helper * Add ide_create_request_sense_cmd() and ide_retry_pc() helpers and convert ide-{atapi,floppy,tape}.c to use them. * Remove no longer used ide*_create_request_sense_cmd(), ide*_retry_pc() and 'retry_pc' argument from ide_pc_intr(). * Make ide_queue_pc_head() static. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 39 +++++++++++++++++++++++++++++----- drivers/ide/ide-floppy.c | 25 +--------------------- drivers/ide/ide-floppy.h | 1 - drivers/ide/ide-floppy_ioctl.c | 2 +- drivers/ide/ide-tape.c | 29 ++----------------------- drivers/scsi/ide-scsi.c | 2 +- include/linux/ide.h | 5 ++--- 7 files changed, 41 insertions(+), 62 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 184835141412..d758dcd87178 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -124,8 +124,8 @@ EXPORT_SYMBOL_GPL(ide_init_pc); * the current request, so that it will be processed immediately, on the next * pass through the driver. */ -void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk, - struct ide_atapi_pc *pc, struct request *rq) +static void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk, + struct ide_atapi_pc *pc, struct request *rq) { blk_rq_init(NULL, rq); rq->cmd_type = REQ_TYPE_SPECIAL; @@ -137,7 +137,6 @@ void ide_queue_pc_head(ide_drive_t *drive, struct gendisk *disk, rq->cmd[13] = REQ_IDETAPE_PC1; ide_do_drive_cmd(drive, rq); } -EXPORT_SYMBOL_GPL(ide_queue_pc_head); /* * Add a special packet command request to the tail of the request queue, @@ -203,6 +202,37 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on) } EXPORT_SYMBOL_GPL(ide_set_media_lock); +void ide_create_request_sense_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc) +{ + ide_init_pc(pc); + pc->c[0] = REQUEST_SENSE; + if (drive->media == ide_floppy) { + pc->c[4] = 255; + pc->req_xfer = 18; + } else { + pc->c[4] = 20; + pc->req_xfer = 20; + } +} +EXPORT_SYMBOL_GPL(ide_create_request_sense_cmd); + +/* + * Called when an error was detected during the last packet command. + * We queue a request sense packet command in the head of the request list. + */ +void ide_retry_pc(ide_drive_t *drive, struct gendisk *disk) +{ + struct request *rq = &drive->request_sense_rq; + struct ide_atapi_pc *pc = &drive->request_sense_pc; + + (void)ide_read_error(drive); + ide_create_request_sense_cmd(drive, pc); + if (drive->media == ide_tape) + set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); + ide_queue_pc_head(drive, disk, pc, rq); +} +EXPORT_SYMBOL_GPL(ide_retry_pc); + int ide_scsi_expiry(ide_drive_t *drive) { struct ide_atapi_pc *pc = drive->pc; @@ -219,7 +249,6 @@ EXPORT_SYMBOL_GPL(ide_scsi_expiry); /* TODO: unify the code thus making some arguments go away */ ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) { struct ide_atapi_pc *pc = drive->pc; @@ -299,7 +328,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, debug_log("[cmd %x]: check condition\n", rq->cmd[0]); /* Retry operation */ - retry_pc(drive); + ide_retry_pc(drive, rq->rq_disk); /* queued, but not started */ return ide_stopped; diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 6a1ade8ca9fe..6e62ffafc562 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -193,34 +193,11 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) idefloppy_end_request(drive, uptodate, 0); } -void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *pc) -{ - ide_init_pc(pc); - pc->c[0] = GPCMD_REQUEST_SENSE; - pc->c[4] = 255; - pc->req_xfer = 18; -} - -/* - * Called when an error was detected during the last packet command. We queue a - * request sense packet command in the head of the request list. - */ -static void idefloppy_retry_pc(ide_drive_t *drive) -{ - struct ide_floppy_obj *floppy = drive->driver_data; - struct request *rq = &drive->request_sense_rq; - struct ide_atapi_pc *pc = &drive->request_sense_pc; - - (void)ide_read_error(drive); - ide_floppy_create_request_sense_cmd(pc); - ide_queue_pc_head(drive, floppy->disk, pc, rq); -} - /* The usual interrupt handler called during a packet command. */ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { return ide_pc_intr(drive, idefloppy_pc_intr, idefloppy_update_buffers, - idefloppy_retry_pc, ide_io_buffers); + ide_io_buffers); } /* diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index e9e14c30fed7..ced5ceb474de 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -49,7 +49,6 @@ typedef struct ide_floppy_obj { /* ide-floppy.c */ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8); void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *); -void ide_floppy_create_request_sense_cmd(struct ide_atapi_pc *); /* ide-floppy_ioctl.c */ int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int, diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c index 5ffc4512d14b..9723ed9c61b4 100644 --- a/drivers/ide/ide-floppy_ioctl.c +++ b/drivers/ide/ide-floppy_ioctl.c @@ -195,7 +195,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) int progress_indication = 0x10000; if (drive->atapi_flags & IDE_AFLAG_SRFP) { - ide_floppy_create_request_sense_cmd(&pc); + ide_create_request_sense_cmd(drive, &pc); if (ide_queue_pc_tail(drive, floppy->disk, &pc)) return -EIO; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 72ecc5657db2..72caca3cb7aa 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -581,31 +581,6 @@ static void ide_tape_callback(ide_drive_t *drive, int dsc) idetape_end_request(drive, uptodate, 0); } -static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) -{ - ide_init_pc(pc); - pc->c[0] = REQUEST_SENSE; - pc->c[4] = 20; - pc->req_xfer = 20; -} - -/* - * idetape_retry_pc is called when an error was detected during the - * last packet command. We queue a request sense packet command in - * the head of the request list. - */ -static void idetape_retry_pc(ide_drive_t *drive) -{ - struct ide_tape_obj *tape = drive->driver_data; - struct request *rq = &drive->request_sense_rq; - struct ide_atapi_pc *pc = &drive->request_sense_pc; - - (void)ide_read_error(drive); - idetape_create_request_sense_cmd(pc); - set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); - ide_queue_pc_head(drive, tape->disk, pc, rq); -} - /* * Postpone the current request so that ide.c will be able to service requests * from another device on the same hwgroup while we are polling for DSC. @@ -653,7 +628,7 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { return ide_pc_intr(drive, idetape_pc_intr, idetape_update_buffers, - idetape_retry_pc, ide_tape_io_buffers); + ide_tape_io_buffers); } /* @@ -789,7 +764,7 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) printk(KERN_ERR "ide-tape: %s: I/O error, ", tape->name); /* Retry operation */ - idetape_retry_pc(drive); + ide_retry_pc(drive, tape->disk); return ide_stopped; } pc->error = 0; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index f71d1b34c3b1..ff2b19909838 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -275,7 +275,7 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) */ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) { - return ide_pc_intr(drive, idescsi_pc_intr, NULL, NULL, ide_io_buffers); + return ide_pc_intr(drive, idescsi_pc_intr, NULL, ide_io_buffers); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) diff --git a/include/linux/ide.h b/include/linux/ide.h index 908b4fc9772c..d88cced0d02c 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1169,13 +1169,13 @@ enum { REQ_IDETAPE_WRITE = (1 << 3), }; -void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, - struct request *); int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *); int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); +void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *); +void ide_retry_pc(ide_drive_t *, struct gendisk *); static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) { @@ -1186,7 +1186,6 @@ int ide_scsi_expiry(ide_drive_t *); ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - void (*retry_pc)(ide_drive_t *), int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int)); ide_startstop_t ide_transfer_pc(ide_drive_t *, -- GitLab From 85e39035ca381846b031690f4d1ac1f0660da0a2 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:32 +0200 Subject: [PATCH 4411/6244] ide: add ->pc_{update,io}_buffers methods Add ->pc_{update,io}_buffers methods to ide_drive_t and use them instead of {update,io}_buffers ide_pc_intr() arguments. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 14 ++++++-------- drivers/ide/ide-floppy.c | 7 ++++--- drivers/ide/ide-tape.c | 7 ++++--- drivers/scsi/ide-scsi.c | 6 ++++-- include/linux/ide.h | 9 +++++---- 5 files changed, 23 insertions(+), 20 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index d758dcd87178..f46bc5124e00 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -246,10 +246,7 @@ int ide_scsi_expiry(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_scsi_expiry); -/* TODO: unify the code thus making some arguments go away */ -ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, - void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned, int)) +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler) { struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; @@ -290,8 +287,8 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, pc->flags |= PC_FLAG_DMA_ERROR; } else { pc->xferred = pc->req_xfer; - if (update_buffers) - update_buffers(drive, pc); + if (drive->pc_update_buffers) + drive->pc_update_buffers(drive, pc); } debug_log("%s: DMA finished\n", drive->name); } @@ -386,7 +383,8 @@ cmd_finished: temp = 0; if (temp) { if (pc->sg) - io_buffers(drive, pc, temp, 0); + drive->pc_io_buffers(drive, pc, + temp, 0); else tp_ops->input_data(drive, NULL, pc->cur_pos, temp); @@ -410,7 +408,7 @@ cmd_finished: if ((drive->media == ide_floppy && !scsi && !pc->buf) || (drive->media == ide_tape && !scsi && pc->bh) || (scsi && pc->sg)) { - int done = io_buffers(drive, pc, bcount, + int done = drive->pc_io_buffers(drive, pc, bcount, !!(pc->flags & PC_FLAG_WRITING)); /* FIXME: don't do partial completions */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 6e62ffafc562..378a22ca55c1 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -196,8 +196,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) /* The usual interrupt handler called during a packet command. */ static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idefloppy_pc_intr, idefloppy_update_buffers, - ide_io_buffers); + return ide_pc_intr(drive, idefloppy_pc_intr); } /* @@ -636,7 +635,9 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) *((u16 *)&gcw) = id[ATA_ID_CONFIG]; - drive->pc_callback = ide_floppy_callback; + drive->pc_callback = ide_floppy_callback; + drive->pc_update_buffers = idefloppy_update_buffers; + drive->pc_io_buffers = ide_io_buffers; if (((gcw[0] & 0x60) >> 5) == 1) drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 72caca3cb7aa..5c26e98e2e39 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -627,8 +627,7 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, */ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { - return ide_pc_intr(drive, idetape_pc_intr, idetape_update_buffers, - ide_tape_io_buffers); + return ide_pc_intr(drive, idetape_pc_intr); } /* @@ -2211,7 +2210,9 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) u8 gcw[2]; u16 *ctl = (u16 *)&tape->caps[12]; - drive->pc_callback = ide_tape_callback; + drive->pc_callback = ide_tape_callback; + drive->pc_update_buffers = idetape_update_buffers; + drive->pc_io_buffers = ide_tape_io_buffers; spin_lock_init(&tape->lock); drive->dsc_overlap = 1; diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index ff2b19909838..b4ba40436c4f 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -275,7 +275,7 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) */ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) { - return ide_pc_intr(drive, idescsi_pc_intr, NULL, ide_io_buffers); + return ide_pc_intr(drive, idescsi_pc_intr); } static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) @@ -407,7 +407,9 @@ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) set_bit(IDESCSI_LOG_CMD, &scsi->log); #endif /* IDESCSI_DEBUG_LOG */ - drive->pc_callback = ide_scsi_callback; + drive->pc_callback = ide_scsi_callback; + drive->pc_update_buffers = NULL; + drive->pc_io_buffers = ide_io_buffers; ide_proc_register_driver(drive, scsi->driver); } diff --git a/include/linux/ide.h b/include/linux/ide.h index d88cced0d02c..f7fc53d1a810 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -555,6 +555,10 @@ struct ide_drive_s { /* callback for packet commands */ void (*pc_callback)(struct ide_drive_s *, int); + void (*pc_update_buffers)(struct ide_drive_s *, struct ide_atapi_pc *); + int (*pc_io_buffers)(struct ide_drive_s *, struct ide_atapi_pc *, + unsigned int, int); + unsigned long atapi_flags; struct ide_atapi_pc request_sense_pc; @@ -1184,10 +1188,7 @@ static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) int ide_scsi_expiry(ide_drive_t *); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler, - void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), - int (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, - int)); +ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler); ide_startstop_t ide_transfer_pc(ide_drive_t *, ide_handler_t *, unsigned int, ide_expiry_t *); ide_startstop_t ide_issue_pc(ide_drive_t *, -- GitLab From aa5d2de7b080873f6d9ac3aede423c9713bf0caa Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:32 +0200 Subject: [PATCH 4412/6244] ide: make ide_pc_intr() static * Always use ide_pc_intr as a handler in ide_pc_intr(). * Remove no longer used ide*_pc_intr() and 'handler' argument from ide_{transfer_pc,pc_intr}(). * Make ide_pc_intr() static. There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 15 +++++++++------ drivers/ide/ide-floppy.c | 10 ++-------- drivers/ide/ide-tape.c | 18 +++--------------- drivers/scsi/ide-scsi.c | 11 +---------- include/linux/ide.h | 4 +--- 5 files changed, 16 insertions(+), 42 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index f46bc5124e00..b558663418d8 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -246,7 +246,12 @@ int ide_scsi_expiry(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_scsi_expiry); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler) +/* + * This is the usual interrupt handler which will be called during a packet + * command. We will transfer some of the data (as requested by the drive) + * and will re-point interrupt handler to us. + */ +static ide_startstop_t ide_pc_intr(ide_drive_t *drive) { struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; @@ -425,10 +430,9 @@ cmd_finished: rq->cmd[0], bcount); next_irq: /* And set the interrupt handler again */ - ide_set_handler(drive, handler, timeout, expiry); + ide_set_handler(drive, ide_pc_intr, timeout, expiry); return ide_started; } -EXPORT_SYMBOL_GPL(ide_pc_intr); static u8 ide_read_ireason(ide_drive_t *drive) { @@ -464,8 +468,7 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) return ireason; } -ide_startstop_t ide_transfer_pc(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, +ide_startstop_t ide_transfer_pc(ide_drive_t *drive, unsigned int timeout, ide_expiry_t *expiry) { struct ide_atapi_pc *pc = drive->pc; @@ -491,7 +494,7 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, } /* Set the interrupt routine */ - ide_set_handler(drive, handler, timeout, expiry); + ide_set_handler(drive, ide_pc_intr, timeout, expiry); /* Begin DMA, if necessary */ if (pc->flags & PC_FLAG_DMA_OK) { diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 378a22ca55c1..7be3cd5daa9d 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -193,12 +193,6 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) idefloppy_end_request(drive, uptodate, 0); } -/* The usual interrupt handler called during a packet command. */ -static ide_startstop_t idefloppy_pc_intr(ide_drive_t *drive) -{ - return ide_pc_intr(drive, idefloppy_pc_intr); -} - /* * What we have here is a classic case of a top half / bottom half interrupt * service routine. In interrupt mode, the device sends an interrupt to signal @@ -230,7 +224,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) * where the Busy flag was apparently being deasserted before the * unit was ready to receive data. This was happening on a * 1200 MHz Athlon system. 10/26/01 25msec is too short, - * 40 and 50msec work well. idefloppy_pc_intr will not be actually + * 40 and 50msec work well. ide_pc_intr will not be actually * used until after the packet is moved in about 50 msec. */ if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) { @@ -241,7 +235,7 @@ static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) expiry = NULL; } - return ide_transfer_pc(drive, idefloppy_pc_intr, timeout, expiry); + return ide_transfer_pc(drive, timeout, expiry); } static void ide_floppy_report_error(idefloppy_floppy_t *floppy, diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 5c26e98e2e39..a148de623af0 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -618,18 +618,6 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, return bcount; } -/* - * This is the usual interrupt handler which will be called during a packet - * command. We will transfer some of the data (as requested by the drive) and - * will re-point interrupt handler to us. When data transfer is finished, we - * will act according to the algorithm described before - * idetape_issue_pc. - */ -static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) -{ - return ide_pc_intr(drive, idetape_pc_intr); -} - /* * Packet Command Interface * @@ -640,9 +628,9 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) * The handling will be done in three stages: * * 1. idetape_issue_pc will send the packet command to the drive, and will set - * the interrupt handler to idetape_pc_intr. + * the interrupt handler to ide_pc_intr. * - * 2. On each interrupt, idetape_pc_intr will be called. This step will be + * 2. On each interrupt, ide_pc_intr will be called. This step will be * repeated until the device signals us that no more interrupts will be issued. * * 3. ATAPI Tape media access commands have immediate status with a delayed @@ -668,7 +656,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) */ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) { - return ide_transfer_pc(drive, idetape_pc_intr, WAIT_TAPE_CMD, NULL); + return ide_transfer_pc(drive, WAIT_TAPE_CMD, NULL); } static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index b4ba40436c4f..8733fe349254 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -270,18 +270,9 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) return 0; } -/* - * Our interrupt handler. - */ -static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive) -{ - return ide_pc_intr(drive, idescsi_pc_intr); -} - static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) { - return ide_transfer_pc(drive, idescsi_pc_intr, - ide_scsi_get_timeout(drive->pc), + return ide_transfer_pc(drive, ide_scsi_get_timeout(drive->pc), ide_scsi_expiry); } diff --git a/include/linux/ide.h b/include/linux/ide.h index f7fc53d1a810..449a1094700f 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1188,9 +1188,7 @@ static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) int ide_scsi_expiry(ide_drive_t *); -ide_startstop_t ide_pc_intr(ide_drive_t *drive, ide_handler_t *handler); -ide_startstop_t ide_transfer_pc(ide_drive_t *, - ide_handler_t *, unsigned int, ide_expiry_t *); +ide_startstop_t ide_transfer_pc(ide_drive_t *, unsigned int, ide_expiry_t *); ide_startstop_t ide_issue_pc(ide_drive_t *, ide_handler_t *, unsigned int, ide_expiry_t *); -- GitLab From baf08f0be6d986521bb2fbdc7af51fc4847da734 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:32 +0200 Subject: [PATCH 4413/6244] ide: make ide_transfer_pc() static * Move ->ticks field from struct ide_floppy_obj to ide_drive_t. * Move idefloppy_transfer_pc() to ide-atapi.c and make ide_transfer_pc() use it. * Always use ide_transfer_pc as a handler in ide_issue_pc(). * Remove no longer used idefloppy_start_pc_transfer(), ide*_transfer_pc() and 'handler' argument from ide_issue_pc(). * Make ide_transfer_pc() static. While at it: * idefloppy_transfer_pc() -> ide_delayed_transfer_pc() * IDEFLOPPY_TICKS_DELAY -> IDEFLOPPY_PC_DELAY * ->ticks -> ->pc_delay There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 41 +++++++++++++++++++---- drivers/ide/ide-floppy.c | 72 +++++----------------------------------- drivers/ide/ide-floppy.h | 3 +- drivers/ide/ide-tape.c | 6 +--- drivers/scsi/ide-scsi.c | 9 +---- include/linux/ide.h | 7 ++-- 6 files changed, 49 insertions(+), 89 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index b558663418d8..2521677e1f48 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -468,12 +468,22 @@ static u8 ide_wait_ireason(ide_drive_t *drive, u8 ireason) return ireason; } -ide_startstop_t ide_transfer_pc(ide_drive_t *drive, unsigned int timeout, - ide_expiry_t *expiry) +static int ide_delayed_transfer_pc(ide_drive_t *drive) +{ + /* Send the actual packet */ + drive->hwif->tp_ops->output_data(drive, NULL, drive->pc->c, 12); + + /* Timeout for the packet command */ + return WAIT_FLOPPY_CMD; +} + +static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) { struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; struct request *rq = hwif->hwgroup->rq; + ide_expiry_t *expiry; + unsigned int timeout; ide_startstop_t startstop; u8 ireason; @@ -493,6 +503,25 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, unsigned int timeout, return ide_do_reset(drive); } + /* + * If necessary schedule the packet transfer to occur 'timeout' + * miliseconds later in ide_delayed_transfer_pc() after the device + * says it's ready for a packet. + */ + if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) { + timeout = drive->pc_delay; + expiry = &ide_delayed_transfer_pc; + } else { + if (drive->scsi) { + timeout = ide_scsi_get_timeout(pc); + expiry = ide_scsi_expiry; + } else { + timeout = (drive->media == ide_floppy) ? WAIT_FLOPPY_CMD + : WAIT_TAPE_CMD; + expiry = NULL; + } + } + /* Set the interrupt routine */ ide_set_handler(drive, ide_pc_intr, timeout, expiry); @@ -508,10 +537,8 @@ ide_startstop_t ide_transfer_pc(ide_drive_t *drive, unsigned int timeout, return ide_started; } -EXPORT_SYMBOL_GPL(ide_transfer_pc); -ide_startstop_t ide_issue_pc(ide_drive_t *drive, - ide_handler_t *handler, unsigned int timeout, +ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, ide_expiry_t *expiry) { struct ide_atapi_pc *pc = drive->pc; @@ -550,12 +577,12 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { - ide_execute_command(drive, ATA_CMD_PACKET, handler, + ide_execute_command(drive, ATA_CMD_PACKET, ide_transfer_pc, timeout, NULL); return ide_started; } else { ide_execute_pkt_cmd(drive); - return (*handler)(drive); + return ide_transfer_pc(drive); } } EXPORT_SYMBOL_GPL(ide_issue_pc); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 7be3cd5daa9d..2a34f1ad2284 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -73,7 +73,11 @@ #define CAPACITY_CURRENT 0x02 #define CAPACITY_NO_CARTRIDGE 0x03 -#define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */ +/* + * The following delay solves a problem with ATAPI Zip 100 drive where BSY bit + * was apparently being deasserted before the unit was ready to receive data. + */ +#define IDEFLOPPY_PC_DELAY (HZ/20) /* default delay for ZIP 100 (50ms) */ /* Error code returned in rq->errors to the higher part of the driver. */ #define IDEFLOPPY_ERROR_GENERAL 101 @@ -193,51 +197,6 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) idefloppy_end_request(drive, uptodate, 0); } -/* - * What we have here is a classic case of a top half / bottom half interrupt - * service routine. In interrupt mode, the device sends an interrupt to signal - * that it is ready to receive a packet. However, we need to delay about 2-3 - * ticks before issuing the packet or we gets in trouble. - */ -static int idefloppy_transfer_pc(ide_drive_t *drive) -{ - /* Send the actual packet */ - drive->hwif->tp_ops->output_data(drive, NULL, drive->pc->c, 12); - - /* Timeout for the packet command */ - return WAIT_FLOPPY_CMD; -} - -/* - * Called as an interrupt (or directly). When the device says it's ready for a - * packet, we schedule the packet transfer to occur about 2-3 ticks later in - * transfer_pc. - */ -static ide_startstop_t idefloppy_start_pc_transfer(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - ide_expiry_t *expiry; - unsigned int timeout; - - /* - * The following delay solves a problem with ATAPI Zip 100 drives - * where the Busy flag was apparently being deasserted before the - * unit was ready to receive data. This was happening on a - * 1200 MHz Athlon system. 10/26/01 25msec is too short, - * 40 and 50msec work well. ide_pc_intr will not be actually - * used until after the packet is moved in about 50 msec. - */ - if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) { - timeout = floppy->ticks; - expiry = &idefloppy_transfer_pc; - } else { - timeout = WAIT_FLOPPY_CMD; - expiry = NULL; - } - - return ide_transfer_pc(drive, timeout, expiry); -} - static void ide_floppy_report_error(idefloppy_floppy_t *floppy, struct ide_atapi_pc *pc) { @@ -281,8 +240,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, pc->retries++; - return ide_issue_pc(drive, idefloppy_start_pc_transfer, - WAIT_FLOPPY_CMD, NULL); + return ide_issue_pc(drive, WAIT_FLOPPY_CMD, NULL); } void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc) @@ -597,21 +555,7 @@ static sector_t idefloppy_capacity(ide_drive_t *drive) ide_devset_rw_field(bios_cyl, bios_cyl); ide_devset_rw_field(bios_head, bios_head); ide_devset_rw_field(bios_sect, bios_sect); - -static int get_ticks(ide_drive_t *drive) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - return floppy->ticks; -} - -static int set_ticks(ide_drive_t *drive, int arg) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - floppy->ticks = arg; - return 0; -} - -IDE_DEVSET(ticks, DS_SYNC, get_ticks, set_ticks); +ide_devset_rw_field(ticks, pc_delay); static const struct ide_proc_devset idefloppy_settings[] = { IDE_PROC_DEVSET(bios_cyl, 0, 1023), @@ -647,7 +591,7 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) if (!strncmp((char *)&id[ATA_ID_PROD], "IOMEGA ZIP 100 ATAPI", 20)) { drive->atapi_flags |= IDE_AFLAG_ZIP_DRIVE; /* This value will be visible in the /proc/ide/hdx/settings */ - floppy->ticks = IDEFLOPPY_TICKS_DELAY; + drive->pc_delay = IDEFLOPPY_PC_DELAY; blk_queue_max_sectors(drive->queue, 64); } diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index ced5ceb474de..00ad5f992dc0 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -20,8 +20,7 @@ typedef struct ide_floppy_obj { /* Last error information */ u8 sense_key, asc, ascq; - /* delay this long before sending packet command */ - u8 ticks; + int progress_indication; /* Device information */ diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index a148de623af0..622d5fed2dc5 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -654,10 +654,6 @@ static int ide_tape_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, * again, the callback function will be called and then we will handle the next * request. */ -static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) -{ - return ide_transfer_pc(drive, WAIT_TAPE_CMD, NULL); -} static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, struct ide_atapi_pc *pc) @@ -705,7 +701,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, pc->retries++; - return ide_issue_pc(drive, idetape_transfer_pc, WAIT_TAPE_CMD, NULL); + return ide_issue_pc(drive, WAIT_TAPE_CMD, NULL); } /* A mode sense command is used to "sense" tape parameters. */ diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 8733fe349254..7d3d03f98914 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -270,12 +270,6 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs) return 0; } -static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive) -{ - return ide_transfer_pc(drive, ide_scsi_get_timeout(drive->pc), - ide_scsi_expiry); -} - static inline int idescsi_set_direction(struct ide_atapi_pc *pc) { switch (pc->c[0]) { @@ -321,8 +315,7 @@ static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive, /* Set the current packet command */ drive->pc = pc; - return ide_issue_pc(drive, idescsi_transfer_pc, - ide_scsi_get_timeout(pc), ide_scsi_expiry); + return ide_issue_pc(drive, ide_scsi_get_timeout(pc), ide_scsi_expiry); } /* diff --git a/include/linux/ide.h b/include/linux/ide.h index 449a1094700f..85cb96c1fd61 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -531,6 +531,9 @@ struct ide_drive_s { u8 bios_head; /* BIOS/fdisk/LILO number of heads */ u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */ + /* delay this long before sending packet command */ + u8 pc_delay; + unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ unsigned int cyl; /* "real" number of cyls */ unsigned int drive_data; /* used by set_pio_mode/selectproc */ @@ -1188,9 +1191,7 @@ static inline unsigned long ide_scsi_get_timeout(struct ide_atapi_pc *pc) int ide_scsi_expiry(ide_drive_t *); -ide_startstop_t ide_transfer_pc(ide_drive_t *, unsigned int, ide_expiry_t *); -ide_startstop_t ide_issue_pc(ide_drive_t *, - ide_handler_t *, unsigned int, ide_expiry_t *); +ide_startstop_t ide_issue_pc(ide_drive_t *, unsigned int, ide_expiry_t *); ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); -- GitLab From 452a8ed8ce752a423013cfade1bbca5f13fd16eb Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:33 +0200 Subject: [PATCH 4414/6244] ide: remove CONFIG_BLK_DEV_IDE config option (take 2) Because hd.c was moved to drivers/block/ this config option is superfluous now and may be removed. v2: Fix drivers/ide/Makefile (noticed by Adrian Bunk). Cc: Adrian Bunk Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Kconfig | 38 ++------------------------------------ drivers/ide/Makefile | 8 ++++---- 2 files changed, 6 insertions(+), 40 deletions(-) diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index b50b5dac95b0..6c6dd2facede 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -54,38 +54,6 @@ menuconfig IDE if IDE -config BLK_DEV_IDE - tristate "Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support" - ---help--- - If you say Y here, you will use the full-featured IDE driver to - control up to ten ATA/IDE interfaces, each being able to serve a - "master" and a "slave" device, for a total of up to twenty ATA/IDE - disk/cdrom/tape/floppy drives. - - Useful information about large (>540 MB) IDE disks, multiple - interfaces, what to do if ATA/IDE devices are not automatically - detected, sound card ATA/IDE ports, module support, and other - topics, is contained in . For detailed - information about hard drives, consult the Disk-HOWTO and the - Multi-Disk-HOWTO, available from - . - - To fine-tune ATA/IDE drive/interface parameters for improved - performance, look for the hdparm package at - . - - To compile this driver as a module, choose M here and read - . The module will be called ide-mod. - Do not compile this driver as a module if your root file system (the - one containing the directory /) is located on an IDE device. - - If you have one or more IDE drives, say Y or M here. If your system - has no IDE drives, or if memory requirements are really tight, you - could say N here, and select the "Old hard disk driver" below - instead to save about 13 KB of memory in the kernel. - -if BLK_DEV_IDE - comment "Please see Documentation/ide/ide.txt for help/info on IDE drives" config IDE_TIMINGS @@ -348,7 +316,7 @@ config BLK_DEV_IDEPCI config IDEPCI_PCIBUS_ORDER bool "Probe IDE PCI devices in the PCI bus order (DEPRECATED)" - depends on BLK_DEV_IDE=y && BLK_DEV_IDEPCI + depends on IDE=y && BLK_DEV_IDEPCI default y help Probe IDE PCI devices in the order in which they appear on the @@ -729,7 +697,7 @@ endif config BLK_DEV_IDE_PMAC tristate "PowerMac on-board IDE support" - depends on PPC_PMAC && IDE=y && BLK_DEV_IDE=y + depends on PPC_PMAC && IDE=y select IDE_TIMINGS help This driver provides support for the on-board IDE controller on @@ -963,6 +931,4 @@ config BLK_DEV_IDEDMA def_bool BLK_DEV_IDEDMA_SFF || BLK_DEV_IDEDMA_PMAC || \ BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -endif - endif # IDE diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 308b8a12f314..f408983f89f3 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -15,14 +15,14 @@ ide-core-$(CONFIG_BLK_DEV_IDEDMA) += ide-dma.o ide-core-$(CONFIG_IDE_PROC_FS) += ide-proc.o ide-core-$(CONFIG_BLK_DEV_IDEACPI) += ide-acpi.o -obj-$(CONFIG_BLK_DEV_IDE) += ide-core.o +obj-$(CONFIG_IDE) += ide-core.o ifeq ($(CONFIG_IDE_ARM), y) ide-arm-core-y += arm/ide_arm.o obj-y += ide-arm-core.o endif -obj-$(CONFIG_BLK_DEV_IDE) += legacy/ pci/ +obj-$(CONFIG_IDE) += legacy/ pci/ obj-$(CONFIG_IDEPCI_PCIBUS_ORDER) += ide-scan-pci.o @@ -31,7 +31,7 @@ ifeq ($(CONFIG_BLK_DEV_CMD640), y) obj-y += cmd640-core.o endif -obj-$(CONFIG_BLK_DEV_IDE) += ppc/ +obj-$(CONFIG_IDE) += ppc/ obj-$(CONFIG_IDE_H8300) += h8300/ obj-$(CONFIG_IDE_GENERIC) += ide-generic.o obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o @@ -54,4 +54,4 @@ ifeq ($(CONFIG_BLK_DEV_PLATFORM), y) obj-y += ide-platform-core.o endif -obj-$(CONFIG_BLK_DEV_IDE) += arm/ mips/ +obj-$(CONFIG_IDE) += arm/ mips/ -- GitLab From 75d21fffd85fdb0a1d7238cf5996022d7bf424dd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:33 +0200 Subject: [PATCH 4415/6244] ide: remove unnecessary MAX_HWIFS checks from ide-probe.c MAX_HWIFS is now always equal to the number of IDE major numbers. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 06575a12b635..237b9871f80a 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -847,7 +847,6 @@ static void ide_port_tune_devices(ide_hwif_t *hwif) } } -#if MAX_HWIFS > 1 /* * save_match() is used to simplify logic in init_irq() below. * @@ -872,7 +871,6 @@ static void save_match(ide_hwif_t *hwif, ide_hwif_t *new, ide_hwif_t **match) if (!m || m->irq != hwif->irq) /* don't undo a prior perfect match */ *match = new; } -#endif /* MAX_HWIFS > 1 */ /* * init request queue @@ -1029,7 +1027,7 @@ static int init_irq (ide_hwif_t *hwif) mutex_lock(&ide_cfg_mtx); hwif->hwgroup = NULL; -#if MAX_HWIFS > 1 + /* * Group up with any other hwifs that share our irq(s). */ @@ -1054,7 +1052,7 @@ static int init_irq (ide_hwif_t *hwif) } } } -#endif /* MAX_HWIFS > 1 */ + /* * If we are still without a hwgroup, then form a new one */ @@ -1513,19 +1511,14 @@ static int ide_find_port_slot(const struct ide_port_info *d) * ports 0x1f0/0x170 (the ide0/ide1 defaults). */ mutex_lock(&ide_cfg_mtx); - if (MAX_HWIFS == 1) { - if (ide_indexes == 0 && i == 0) - idx = 1; + if (bootable) { + if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1) + idx = ffz(ide_indexes | i); } else { - if (bootable) { - if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1) - idx = ffz(ide_indexes | i); - } else { - if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1) - idx = ffz(ide_indexes | 3); - else if ((ide_indexes & 3) != 3) - idx = ffz(ide_indexes); - } + if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1) + idx = ffz(ide_indexes | 3); + else if ((ide_indexes & 3) != 3) + idx = ffz(ide_indexes); } if (idx >= 0) ide_indexes |= (1 << idx); -- GitLab From 91ddc9988efeaed487eb7dd81d2557e1b1d501ef Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 21:39:34 +0200 Subject: [PATCH 4416/6244] xtensa: remove dead CONFIG_BLK_DEV_IDE code I don't know why this was there, but it was dead code. Signed-off-by: Adrian Bunk Cc: chris@zankel.net Signed-off-by: Bartlomiej Zolnierkiewicz --- arch/xtensa/kernel/setup.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index a00359e8f7a8..9606d2bd1dd9 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -53,11 +53,6 @@ extern struct fd_ops no_fd_ops; struct fd_ops *fd_ops; #endif -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) -extern struct ide_ops no_ide_ops; -struct ide_ops *ide_ops; -#endif - extern struct rtc_ops no_rtc_ops; struct rtc_ops *rtc_ops; -- GitLab From 5aeddf907f149cae7e19b7c23ccea3823d00698c Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:34 +0200 Subject: [PATCH 4417/6244] ide: unify conversion macros Introduce to_ide_drv() and ide_drv_g() macros and replace the respective definitions of similar ones in each driver. There should be no functionality change resulting from this patch. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 17 ++++++----------- drivers/ide/ide-floppy.c | 21 +++++++++------------ drivers/ide/ide-tape.c | 23 ++++++++--------------- include/linux/ide.h | 8 +++++++- 4 files changed, 30 insertions(+), 39 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 465a92ca0179..8650ad43b324 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -52,11 +52,6 @@ static DEFINE_MUTEX(idecd_ref_mutex); -#define to_ide_cd(obj) container_of(obj, struct cdrom_info, kref) - -#define ide_cd_g(disk) \ - container_of((disk)->private_data, struct cdrom_info, driver) - static void ide_cd_release(struct kref *); static struct cdrom_info *ide_cd_get(struct gendisk *disk) @@ -64,7 +59,7 @@ static struct cdrom_info *ide_cd_get(struct gendisk *disk) struct cdrom_info *cd = NULL; mutex_lock(&idecd_ref_mutex); - cd = ide_cd_g(disk); + cd = ide_drv_g(disk, cdrom_info); if (cd) { if (ide_device_get(cd->drive)) cd = NULL; @@ -1941,7 +1936,7 @@ static void ide_cd_remove(ide_drive_t *drive) static void ide_cd_release(struct kref *kref) { - struct cdrom_info *info = to_ide_cd(kref); + struct cdrom_info *info = to_ide_drv(kref, cdrom_info); struct cdrom_device_info *devinfo = &info->devinfo; ide_drive_t *drive = info->drive; struct gendisk *g = info->disk; @@ -1999,7 +1994,7 @@ static int idecd_open(struct inode *inode, struct file *file) static int idecd_release(struct inode *inode, struct file *file) { struct gendisk *disk = inode->i_bdev->bd_disk; - struct cdrom_info *info = ide_cd_g(disk); + struct cdrom_info *info = ide_drv_g(disk, cdrom_info); cdrom_release(&info->devinfo, file); @@ -2051,7 +2046,7 @@ static int idecd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct block_device *bdev = inode->i_bdev; - struct cdrom_info *info = ide_cd_g(bdev->bd_disk); + struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info); int err; switch (cmd) { @@ -2072,13 +2067,13 @@ static int idecd_ioctl(struct inode *inode, struct file *file, static int idecd_media_changed(struct gendisk *disk) { - struct cdrom_info *info = ide_cd_g(disk); + struct cdrom_info *info = ide_drv_g(disk, cdrom_info); return cdrom_media_changed(&info->devinfo); } static int idecd_revalidate_disk(struct gendisk *disk) { - struct cdrom_info *info = ide_cd_g(disk); + struct cdrom_info *info = ide_drv_g(disk, cdrom_info); struct request_sense sense; ide_cd_read_toc(info->drive, &sense); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 2a34f1ad2284..2a54a25090cb 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -84,11 +84,6 @@ static DEFINE_MUTEX(idefloppy_ref_mutex); -#define to_ide_floppy(obj) container_of(obj, struct ide_floppy_obj, kref) - -#define ide_floppy_g(disk) \ - container_of((disk)->private_data, struct ide_floppy_obj, driver) - static void idefloppy_cleanup_obj(struct kref *); static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk) @@ -96,7 +91,7 @@ static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk) struct ide_floppy_obj *floppy = NULL; mutex_lock(&idefloppy_ref_mutex); - floppy = ide_floppy_g(disk); + floppy = ide_drv_g(disk, ide_floppy_obj); if (floppy) { if (ide_device_get(floppy->drive)) floppy = NULL; @@ -625,7 +620,7 @@ static void ide_floppy_remove(ide_drive_t *drive) static void idefloppy_cleanup_obj(struct kref *kref) { - struct ide_floppy_obj *floppy = to_ide_floppy(kref); + struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj); ide_drive_t *drive = floppy->drive; struct gendisk *g = floppy->disk; @@ -733,7 +728,7 @@ out_put_floppy: static int idefloppy_release(struct inode *inode, struct file *filp) { struct gendisk *disk = inode->i_bdev->bd_disk; - struct ide_floppy_obj *floppy = ide_floppy_g(disk); + struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); ide_drive_t *drive = floppy->drive; debug_log("Reached %s\n", __func__); @@ -752,7 +747,8 @@ static int idefloppy_release(struct inode *inode, struct file *filp) static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) { - struct ide_floppy_obj *floppy = ide_floppy_g(bdev->bd_disk); + struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk, + ide_floppy_obj); ide_drive_t *drive = floppy->drive; geo->heads = drive->bios_head; @@ -783,7 +779,8 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct block_device *bdev = inode->i_bdev; - struct ide_floppy_obj *floppy = ide_floppy_g(bdev->bd_disk); + struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk, + ide_floppy_obj); ide_drive_t *drive = floppy->drive; struct ide_atapi_pc pc; void __user *argp = (void __user *)arg; @@ -812,7 +809,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file, static int idefloppy_media_changed(struct gendisk *disk) { - struct ide_floppy_obj *floppy = ide_floppy_g(disk); + struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); ide_drive_t *drive = floppy->drive; int ret; @@ -828,7 +825,7 @@ static int idefloppy_media_changed(struct gendisk *disk) static int idefloppy_revalidate_disk(struct gendisk *disk) { - struct ide_floppy_obj *floppy = ide_floppy_g(disk); + struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); set_capacity(disk, idefloppy_capacity(floppy->drive)); return 0; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 622d5fed2dc5..2c235401aad1 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -267,11 +267,6 @@ static DEFINE_MUTEX(idetape_ref_mutex); static struct class *idetape_sysfs_class; -#define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref) - -#define ide_tape_g(disk) \ - container_of((disk)->private_data, struct ide_tape_obj, driver) - static void ide_tape_release(struct kref *); static struct ide_tape_obj *ide_tape_get(struct gendisk *disk) @@ -279,7 +274,7 @@ static struct ide_tape_obj *ide_tape_get(struct gendisk *disk) struct ide_tape_obj *tape = NULL; mutex_lock(&idetape_ref_mutex); - tape = ide_tape_g(disk); + tape = ide_drv_g(disk, ide_tape_obj); if (tape) { if (ide_device_get(tape->drive)) tape = NULL; @@ -306,8 +301,6 @@ static void ide_tape_put(struct ide_tape_obj *tape) */ static struct ide_tape_obj *idetape_devs[MAX_HWIFS * MAX_DRIVES]; -#define ide_tape_f(file) ((file)->private_data) - static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i) { struct ide_tape_obj *tape = NULL; @@ -1542,7 +1535,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, static ssize_t idetape_chrdev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct ide_tape_obj *tape = ide_tape_f(file); + struct ide_tape_obj *tape = file->private_data; ide_drive_t *drive = tape->drive; ssize_t bytes_read, temp, actually_read = 0, rc; ssize_t ret = 0; @@ -1604,7 +1597,7 @@ finish: static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct ide_tape_obj *tape = ide_tape_f(file); + struct ide_tape_obj *tape = file->private_data; ide_drive_t *drive = tape->drive; ssize_t actually_written = 0; ssize_t ret = 0; @@ -1836,7 +1829,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) static int idetape_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - struct ide_tape_obj *tape = ide_tape_f(file); + struct ide_tape_obj *tape = file->private_data; ide_drive_t *drive = tape->drive; struct mtop mtop; struct mtget mtget; @@ -2013,7 +2006,7 @@ static void idetape_write_release(ide_drive_t *drive, unsigned int minor) static int idetape_chrdev_release(struct inode *inode, struct file *filp) { - struct ide_tape_obj *tape = ide_tape_f(filp); + struct ide_tape_obj *tape = filp->private_data; ide_drive_t *drive = tape->drive; unsigned int minor = iminor(inode); @@ -2272,7 +2265,7 @@ static void ide_tape_remove(ide_drive_t *drive) static void ide_tape_release(struct kref *kref) { - struct ide_tape_obj *tape = to_ide_tape(kref); + struct ide_tape_obj *tape = to_ide_drv(kref, ide_tape_obj); ide_drive_t *drive = tape->drive; struct gendisk *g = tape->disk; @@ -2355,7 +2348,7 @@ static int idetape_open(struct inode *inode, struct file *filp) static int idetape_release(struct inode *inode, struct file *filp) { struct gendisk *disk = inode->i_bdev->bd_disk; - struct ide_tape_obj *tape = ide_tape_g(disk); + struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj); ide_tape_put(tape); @@ -2366,7 +2359,7 @@ static int idetape_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct block_device *bdev = inode->i_bdev; - struct ide_tape_obj *tape = ide_tape_g(bdev->bd_disk); + struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj); ide_drive_t *drive = tape->drive; int err = generic_ide_ioctl(drive, file, bdev, cmd, arg); if (err == -EINVAL) diff --git a/include/linux/ide.h b/include/linux/ide.h index 85cb96c1fd61..350ef47ed616 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -570,7 +570,13 @@ struct ide_drive_s { typedef struct ide_drive_s ide_drive_t; -#define to_ide_device(dev)container_of(dev, ide_drive_t, gendev) +#define to_ide_device(dev) container_of(dev, ide_drive_t, gendev) + +#define to_ide_drv(obj, cont_type) \ + container_of(obj, struct cont_type, kref) + +#define ide_drv_g(disk, cont_type) \ + container_of((disk)->private_data, struct cont_type, driver) struct ide_task_s; struct ide_port_info; -- GitLab From b22b2ca4ff0730b14d14bcc36bd1b84873557512 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:34 +0200 Subject: [PATCH 4418/6244] ide: add drive->debug_mask switch Add a debugging on/off switch for controlling driver debugging messages dynamically. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/ide.h b/include/linux/ide.h index 350ef47ed616..fcd98e1d1863 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -545,6 +545,9 @@ struct ide_drive_s { int lun; /* logical unit */ int crc_count; /* crc counter to reduce drive speed */ + + unsigned long debug_mask; /* debugging levels switch */ + #ifdef CONFIG_BLK_DEV_IDEACPI struct ide_acpi_drive_link *acpidata; #endif -- GitLab From e1c7c4641aae8d278fca62b3b5cffad3a8dcb0a4 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:35 +0200 Subject: [PATCH 4419/6244] ide: add a driver-wide debugging macro Add __ide_debug_log() debugging macro which is controlled by drive->debug_mask. The macro has to have the macro DRV_NAME defined in each driver before use. Also, add different debugging levels depending on the functionality debugged. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- include/linux/ide.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/linux/ide.h b/include/linux/ide.h index fcd98e1d1863..02c4c642e6a5 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -927,6 +927,26 @@ static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t * #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0; #endif +enum { + /* enter/exit functions */ + IDE_DBG_FUNC = (1 << 0), + /* sense key/asc handling */ + IDE_DBG_SENSE = (1 << 1), + /* packet commands handling */ + IDE_DBG_PC = (1 << 2), + /* request handling */ + IDE_DBG_RQ = (1 << 3), + /* driver probing/setup */ + IDE_DBG_PROBE = (1 << 4), +}; + +/* DRV_NAME has to be defined in the driver before using the macro below */ +#define __ide_debug_log(lvl, fmt, args...) \ +{ \ + if (unlikely(drive->debug_mask & lvl)) \ + printk(KERN_INFO DRV_NAME ": " fmt, ## args); \ +} + /* * Power Management step value (rq->pm->pm_step). * -- GitLab From 7b35572628bb807bf95e4d6282c67af95267928e Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:35 +0200 Subject: [PATCH 4420/6244] ide-floppy: convert driver to the new debugging macro Also: - leave in the possibility for optimizing away all debugging macros - add a PFX macro and prepend all printk calls with it for consistency - change idefloppy_create_rw_cmd's 1st arg from idefloppy_floppy_t * to ide_drive_t *. - add a missing printk-level in idefloppy_init - fix minor checkpatch warnings Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 140 +++++++++++++++++++++------------------ 1 file changed, 75 insertions(+), 65 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 2a54a25090cb..3de9478fe306 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -16,6 +16,7 @@ */ #define DRV_NAME "ide-floppy" +#define PFX DRV_NAME ": " #define IDEFLOPPY_VERSION "1.00" @@ -49,16 +50,12 @@ #include "ide-floppy.h" /* define to see debug info */ -#define IDEFLOPPY_DEBUG_LOG 0 - -/* #define IDEFLOPPY_DEBUG(fmt, args...) printk(KERN_INFO fmt, ## args) */ -#define IDEFLOPPY_DEBUG(fmt, args...) +#define IDEFLOPPY_DEBUG_LOG 0 #if IDEFLOPPY_DEBUG_LOG -#define debug_log(fmt, args...) \ - printk(KERN_INFO "ide-floppy: " fmt, ## args) +#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args) #else -#define debug_log(fmt, args...) do {} while (0) +#define ide_debug_log(lvl, fmt, args...) do {} while (0) #endif /* @@ -122,13 +119,21 @@ static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs) struct request *rq = HWGROUP(drive)->rq; int error; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); switch (uptodate) { - case 0: error = IDEFLOPPY_ERROR_GENERAL; break; - case 1: error = 0; break; - default: error = uptodate; + case 0: + error = IDEFLOPPY_ERROR_GENERAL; + break; + + case 1: + error = 0; + break; + + default: + error = uptodate; } + if (error) floppy->failed_pc = NULL; /* Why does this happen? */ @@ -161,7 +166,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) struct ide_atapi_pc *pc = drive->pc; int uptodate = pc->error ? 0 : 1; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); if (floppy->failed_pc == pc) floppy->failed_pc = NULL; @@ -180,13 +185,15 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc) (u16)get_unaligned((u16 *)&buf[16]) : 0x10000; if (floppy->failed_pc) - debug_log("pc = %x, ", floppy->failed_pc->c[0]); + ide_debug_log(IDE_DBG_PC, "pc = %x, ", + floppy->failed_pc->c[0]); - debug_log("sense key = %x, asc = %x, ascq = %x\n", - floppy->sense_key, floppy->asc, floppy->ascq); + ide_debug_log(IDE_DBG_SENSE, "sense key = %x, asc = %x," + "ascq = %x\n", floppy->sense_key, + floppy->asc, floppy->ascq); } else - printk(KERN_ERR "Error in REQUEST SENSE itself - " - "Aborting request!\n"); + printk(KERN_ERR PFX "Error in REQUEST SENSE itself - " + "Aborting request!\n"); } idefloppy_end_request(drive, uptodate, 0); @@ -201,7 +208,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy, floppy->ascq == 0x00) return; - printk(KERN_ERR "ide-floppy: %s: I/O error, pc = %2x, key = %2x, " + printk(KERN_ERR PFX "%s: I/O error, pc = %2x, key = %2x, " "asc = %2x, ascq = %2x\n", floppy->drive->name, pc->c[0], floppy->sense_key, floppy->asc, floppy->ascq); @@ -231,7 +238,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive, return ide_stopped; } - debug_log("Retry number - %d\n", pc->retries); + ide_debug_log(IDE_DBG_FUNC, "%s: Retry #%d\n", __func__, pc->retries); pc->retries++; @@ -265,23 +272,23 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) length += 32; break; default: - printk(KERN_ERR "ide-floppy: unsupported page code " - "in create_mode_sense_cmd\n"); + printk(KERN_ERR PFX "unsupported page code in %s\n", __func__); } put_unaligned(cpu_to_be16(length), (u16 *) &pc->c[7]); pc->req_xfer = length; } -static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy, +static void idefloppy_create_rw_cmd(ide_drive_t *drive, struct ide_atapi_pc *pc, struct request *rq, unsigned long sector) { + idefloppy_floppy_t *floppy = drive->driver_data; int block = sector / floppy->bs_factor; int blocks = rq->nr_sectors / floppy->bs_factor; int cmd = rq_data_dir(rq); - debug_log("create_rw10_cmd: block == %d, blocks == %d\n", - block, blocks); + ide_debug_log(IDE_DBG_FUNC, "%s: block: %d, blocks: %d\n", __func__, + block, blocks); ide_init_pc(pc); pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10; @@ -326,41 +333,42 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive, struct ide_atapi_pc *pc; unsigned long block = (unsigned long)block_s; - debug_log("%s: dev: %s, cmd: 0x%x, cmd_type: %x, errors: %d\n", - __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?", - rq->cmd[0], rq->cmd_type, rq->errors); + ide_debug_log(IDE_DBG_FUNC, "%s: dev: %s, cmd: 0x%x, cmd_type: %x, " + "errors: %d\n", + __func__, rq->rq_disk ? rq->rq_disk->disk_name : "?", + rq->cmd[0], rq->cmd_type, rq->errors); - debug_log("%s: sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n", - __func__, (long)rq->sector, rq->nr_sectors, - rq->current_nr_sectors); + ide_debug_log(IDE_DBG_FUNC, "%s: sector: %ld, nr_sectors: %ld, " + "current_nr_sectors: %d\n", + __func__, (long)rq->sector, rq->nr_sectors, + rq->current_nr_sectors); if (rq->errors >= ERROR_MAX) { if (floppy->failed_pc) ide_floppy_report_error(floppy, floppy->failed_pc); else - printk(KERN_ERR "ide-floppy: %s: I/O error\n", - drive->name); + printk(KERN_ERR PFX "%s: I/O error\n", drive->name); + idefloppy_end_request(drive, 0, 0); return ide_stopped; } if (blk_fs_request(rq)) { if (((long)rq->sector % floppy->bs_factor) || (rq->nr_sectors % floppy->bs_factor)) { - printk(KERN_ERR "%s: unsupported r/w request size\n", - drive->name); + printk(KERN_ERR PFX "%s: unsupported r/w rq size\n", + drive->name); idefloppy_end_request(drive, 0, 0); return ide_stopped; } pc = &floppy->queued_pc; - idefloppy_create_rw_cmd(floppy, pc, rq, block); + idefloppy_create_rw_cmd(drive, pc, rq, block); } else if (blk_special_request(rq)) { pc = (struct ide_atapi_pc *) rq->buffer; } else if (blk_pc_request(rq)) { pc = &floppy->queued_pc; idefloppy_blockpc_cmd(floppy, pc, rq); } else { - blk_dump_rq_flags(rq, - "ide-floppy: unsupported command in queue"); + blk_dump_rq_flags(rq, PFX "unsupported command in queue"); idefloppy_end_request(drive, 0, 0); return ide_stopped; } @@ -393,8 +401,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) ide_floppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE); if (ide_queue_pc_tail(drive, disk, &pc)) { - printk(KERN_ERR "ide-floppy: Can't get flexible disk page" - " parameters\n"); + printk(KERN_ERR PFX "Can't get flexible disk page params\n"); return 1; } @@ -417,7 +424,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) capacity = cyls * heads * sectors * sector_size; if (memcmp(page, &floppy->flexible_disk_page, 32)) - printk(KERN_INFO "%s: %dkB, %d/%d/%d CHS, %d kBps, " + printk(KERN_INFO PFX "%s: %dkB, %d/%d/%d CHS, %d kBps, " "%d sector size, %d rpm\n", drive->name, capacity / 1024, cyls, heads, sectors, transfer_rate / 8, sector_size, rpm); @@ -429,7 +436,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive) lba_capacity = floppy->blocks * floppy->block_size; if (capacity < lba_capacity) { - printk(KERN_NOTICE "%s: The disk reports a capacity of %d " + printk(KERN_NOTICE PFX "%s: The disk reports a capacity of %d " "bytes, but the drive only handles %d\n", drive->name, lba_capacity, capacity); floppy->blocks = floppy->block_size ? @@ -459,7 +466,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) ide_floppy_create_read_capacity_cmd(&pc); if (ide_queue_pc_tail(drive, disk, &pc)) { - printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n"); + printk(KERN_ERR PFX "Can't get floppy parameters\n"); return 1; } header_len = pc.buf[3]; @@ -472,8 +479,9 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) blocks = be32_to_cpup((__be32 *)&pc.buf[desc_start]); length = be16_to_cpup((__be16 *)&pc.buf[desc_start + 6]); - debug_log("Descriptor %d: %dkB, %d blocks, %d sector size\n", - i, blocks * length / 1024, blocks, length); + ide_debug_log(IDE_DBG_PROBE, "Descriptor %d: %dkB, %d blocks, " + "%d sector size\n", + i, blocks * length / 1024, blocks, length); if (i) continue; @@ -493,23 +501,24 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) case CAPACITY_CURRENT: /* Normal Zip/LS-120 disks */ if (memcmp(cap_desc, &floppy->cap_desc, 8)) - printk(KERN_INFO "%s: %dkB, %d blocks, %d " - "sector size\n", drive->name, - blocks * length / 1024, blocks, length); + printk(KERN_INFO PFX "%s: %dkB, %d blocks, %d " + "sector size\n", + drive->name, blocks * length / 1024, + blocks, length); memcpy(&floppy->cap_desc, cap_desc, 8); if (!length || length % 512) { - printk(KERN_NOTICE "%s: %d bytes block size " - "not supported\n", drive->name, length); + printk(KERN_NOTICE PFX "%s: %d bytes block size" + " not supported\n", drive->name, length); } else { floppy->blocks = blocks; floppy->block_size = length; floppy->bs_factor = length / 512; if (floppy->bs_factor != 1) - printk(KERN_NOTICE "%s: warning: non " - "512 bytes block size not " - "fully supported\n", - drive->name); + printk(KERN_NOTICE PFX "%s: Warning: " + "non 512 bytes block size not " + "fully supported\n", + drive->name); rc = 0; } break; @@ -518,15 +527,16 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) * This is a KERN_ERR so it appears on screen * for the user to see */ - printk(KERN_ERR "%s: No disk in drive\n", drive->name); + printk(KERN_ERR PFX "%s: No disk in drive\n", + drive->name); break; case CAPACITY_INVALID: - printk(KERN_ERR "%s: Invalid capacity for disk " + printk(KERN_ERR PFX "%s: Invalid capacity for disk " "in drive\n", drive->name); break; } - debug_log("Descriptor 0 Code: %d\n", - pc.buf[desc_start + 4] & 0x03); + ide_debug_log(IDE_DBG_PROBE, "Descriptor 0 Code: %d\n", + pc.buf[desc_start + 4] & 0x03); } /* Clik! disk does not support get_flexible_disk_page */ @@ -676,14 +686,14 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ide_drive_t *drive; int ret = 0; - debug_log("Reached %s\n", __func__); - floppy = ide_floppy_get(disk); if (!floppy) return -ENXIO; drive = floppy->drive; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + floppy->openers++; if (floppy->openers == 1) { @@ -731,7 +741,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp) struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); ide_drive_t *drive = floppy->drive; - debug_log("Reached %s\n", __func__); + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); if (floppy->openers == 1) { ide_set_media_lock(drive, disk, 0); @@ -852,14 +862,14 @@ static int ide_floppy_probe(ide_drive_t *drive) goto failed; if (!ide_check_atapi_device(drive, DRV_NAME)) { - printk(KERN_ERR "ide-floppy: %s: not supported by this version" - " of ide-floppy\n", drive->name); + printk(KERN_ERR PFX "%s: not supported by this version of " + DRV_NAME "\n", drive->name); goto failed; } floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL); if (!floppy) { - printk(KERN_ERR "ide-floppy: %s: Can't allocate a floppy" - " structure\n", drive->name); + printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n", + drive->name); goto failed; } @@ -902,7 +912,7 @@ static void __exit idefloppy_exit(void) static int __init idefloppy_init(void) { - printk("ide-floppy driver " IDEFLOPPY_VERSION "\n"); + printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n"); return driver_register(&idefloppy_driver.gen_driver); } -- GitLab From 0964dbe60c98f483567ac9a1220f6ab01a15c954 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:35 +0200 Subject: [PATCH 4421/6244] ide-floppy: add a debug_mask module parameter ... with which to control to verbosity of debug messages on module load time. Signed-off-by: Borislav Petkov [bart: no need to zero debug_mask + move module_param() closer debug_mask] [bart: init drive->debug_mask in ide_floppy_probe() not in idefloppy_open()] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 3de9478fe306..a11ec86925a3 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -49,6 +49,10 @@ #include "ide-floppy.h" +/* module parameters */ +static unsigned long debug_mask; +module_param(debug_mask, ulong, 0644); + /* define to see debug info */ #define IDEFLOPPY_DEBUG_LOG 0 @@ -889,6 +893,8 @@ static int ide_floppy_probe(ide_drive_t *drive) drive->driver_data = floppy; + drive->debug_mask = debug_mask; + idefloppy_setup(drive, floppy); g->minors = 1 << PARTN_BITS; -- GitLab From 1ea1031cf92b8b8bfbe796d8e8d38b68300475d2 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:35 +0200 Subject: [PATCH 4422/6244] ide: fix IDE ACPI for slave device-only configurations ACPI _GTM / _PS0 / _STM were not called if only slave device was present. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide.c | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 9dcf5aed92cb..64997873b6d7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -365,15 +365,15 @@ __IDE_DEVSET(pio_mode, 0, NULL, set_pio_mode); static int generic_ide_suspend(struct device *dev, pm_message_t mesg) { - ide_drive_t *drive = dev->driver_data; + ide_drive_t *drive = dev->driver_data, *pair = ide_get_pair_dev(drive); ide_hwif_t *hwif = HWIF(drive); struct request *rq; struct request_pm_state rqpm; ide_task_t args; int ret; - /* Call ACPI _GTM only once */ - if (!(drive->dn % 2)) + /* call ACPI _GTM only once */ + if ((drive->dn & 1) == 0 || pair == NULL) ide_acpi_get_timing(hwif); memset(&rqpm, 0, sizeof(rqpm)); @@ -389,26 +389,25 @@ static int generic_ide_suspend(struct device *dev, pm_message_t mesg) ret = blk_execute_rq(drive->queue, NULL, rq, 0); blk_put_request(rq); - /* only call ACPI _PS3 after both drivers are suspended */ - if (!ret && (((drive->dn % 2) && hwif->drives[0].present - && hwif->drives[1].present) - || !hwif->drives[0].present - || !hwif->drives[1].present)) + + /* call ACPI _PS3 only after both devices are suspended */ + if (ret == 0 && ((drive->dn & 1) || pair == NULL)) ide_acpi_set_state(hwif, 0); + return ret; } static int generic_ide_resume(struct device *dev) { - ide_drive_t *drive = dev->driver_data; + ide_drive_t *drive = dev->driver_data, *pair = ide_get_pair_dev(drive); ide_hwif_t *hwif = HWIF(drive); struct request *rq; struct request_pm_state rqpm; ide_task_t args; int err; - /* Call ACPI _STM only once */ - if (!(drive->dn % 2)) { + /* call ACPI _PS0 / _STM only once */ + if ((drive->dn & 1) == 0 || pair == NULL) { ide_acpi_set_state(hwif, 1); ide_acpi_push_timing(hwif); } -- GitLab From 35c137531245118962eb40a550661afe317bec03 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:36 +0200 Subject: [PATCH 4423/6244] ide-disk: set_addressing() fixes * Return -EIO if arg > 0 and LBA48 is unsupported. * No need to reset ->addressing. * Make ->addressing a single bit flag. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 11 +++++------ include/linux/ide.h | 2 +- 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 01846f244b40..65c499aab664 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -686,14 +686,13 @@ static int set_addressing(ide_drive_t *drive, int arg) if (arg < 0 || arg > 2) return -EINVAL; - drive->addressing = 0; - - if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) - return 0; - - if (ata_id_lba48_enabled(drive->id) == 0) + if (arg && ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) || + ata_id_lba48_enabled(drive->id) == 0)) return -EIO; + if (arg == 2) + arg = 0; + drive->addressing = arg; return 0; diff --git a/include/linux/ide.h b/include/linux/ide.h index 02c4c642e6a5..90d53c99fe92 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -509,7 +509,7 @@ struct ide_drive_s { unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ unsigned post_reset : 1; unsigned udma33_warned : 1; - unsigned addressing : 2; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ + unsigned addressing : 1; /* 0=28-bit, 1=48-bit */ unsigned wcache : 1; /* status of write cache */ unsigned nowerr : 1; /* used for ignoring ATA_DF */ -- GitLab From be3c096ebdbe3c828aacb5473751a22840753eff Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:36 +0200 Subject: [PATCH 4424/6244] ide-disk: add ide_do_setfeature() helper Add ide_do_setfeature() helper and convert set_{wcache,acoustic}() to use it. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 34 +++++++++++++++++++--------------- 1 file changed, 19 insertions(+), 15 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 65c499aab664..7ea075299bd9 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -580,6 +580,19 @@ static int set_nowerr(ide_drive_t *drive, int arg) return 0; } +static int ide_do_setfeature(ide_drive_t *drive, u8 feature, u8 nsect) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf.feature = feature; + task.tf.nsect = nsect; + task.tf.command = ATA_CMD_SET_FEATURES; + task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + + return ide_no_data_taskfile(drive, &task); +} + static void update_ordered(ide_drive_t *drive) { u16 *id = drive->id; @@ -619,19 +632,14 @@ ide_devset_get(wcache, wcache); static int set_wcache(ide_drive_t *drive, int arg) { - ide_task_t args; int err = 1; if (arg < 0 || arg > 1) return -EINVAL; if (ata_id_flush_enabled(drive->id)) { - memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? - SETFEATURES_WC_ON : SETFEATURES_WC_OFF; - args.tf.command = ATA_CMD_SET_FEATURES; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - err = ide_no_data_taskfile(drive, &args); + err = ide_do_setfeature(drive, + arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF, 0); if (err == 0) drive->wcache = arg; } @@ -658,18 +666,14 @@ ide_devset_get(acoustic, acoustic); static int set_acoustic(ide_drive_t *drive, int arg) { - ide_task_t args; - if (arg < 0 || arg > 254) return -EINVAL; - memset(&args, 0, sizeof(ide_task_t)); - args.tf.feature = arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF; - args.tf.nsect = arg; - args.tf.command = ATA_CMD_SET_FEATURES; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - ide_no_data_taskfile(drive, &args); + ide_do_setfeature(drive, + arg ? SETFEATURES_AAM_ON : SETFEATURES_AAM_OFF, arg); + drive->acoustic = arg; + return 0; } -- GitLab From 97100fc816badbbc162644cfde7ad39ae9211fb4 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:36 +0200 Subject: [PATCH 4425/6244] ide: add device flags Add 'unsigned long dev_flags' to ide_drive_t and convert bitfields to IDE_DFLAG_* flags. While at it: - IDE_DFLAG_ADDRESSING -> IDE_DFLAG_LBA48 - fixup some comments - remove needless g->flags zeroing from ide*_probe() There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-acpi.c | 12 ++-- drivers/ide/ide-atapi.c | 21 +++---- drivers/ide/ide-cd.c | 17 +++--- drivers/ide/ide-disk.c | 94 +++++++++++++++++------------ drivers/ide/ide-dma.c | 7 ++- drivers/ide/ide-floppy.c | 9 +-- drivers/ide/ide-io.c | 55 ++++++++++------- drivers/ide/ide-ioctls.c | 21 +++++-- drivers/ide/ide-iops.c | 24 ++++---- drivers/ide/ide-lib.c | 2 +- drivers/ide/ide-probe.c | 104 ++++++++++++++++++--------------- drivers/ide/ide-proc.c | 6 +- drivers/ide/ide-tape.c | 30 ++++++---- drivers/ide/ide-taskfile.c | 14 ++--- drivers/ide/ide.c | 35 ++++++----- drivers/ide/legacy/ht6560b.c | 9 +-- drivers/ide/pci/amd74xx.c | 2 +- drivers/ide/pci/cmd640.c | 14 ++--- drivers/ide/pci/it821x.c | 2 +- drivers/ide/pci/ns87415.c | 11 +++- drivers/ide/pci/pdc202xx_old.c | 4 +- drivers/ide/pci/sc1200.c | 3 +- drivers/ide/pci/trm290.c | 4 +- drivers/ide/ppc/pmac.c | 4 +- drivers/scsi/ide-scsi.c | 9 +-- include/linux/ide.h | 100 ++++++++++++++++++++++--------- 26 files changed, 370 insertions(+), 243 deletions(-) diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 2427c380b3dc..244a8a052ce8 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -290,7 +290,7 @@ static int do_drive_get_GTF(ide_drive_t *drive, DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n", hwif->name, dev->bus_id, port, hwif->channel); - if (!drive->present) { + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) { DEBPRINT("%s drive %d:%d not present\n", hwif->name, hwif->channel, port); goto out; @@ -420,8 +420,9 @@ static int do_drive_set_taskfiles(ide_drive_t *drive, DEBPRINT("ENTER: %s, hard_port#: %d\n", drive->name, drive->dn); - if (!drive->present) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) goto out; + if (!gtf_count) /* shouldn't be here */ goto out; @@ -660,7 +661,8 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on) if (!drive->acpidata->obj_handle) drive->acpidata->obj_handle = ide_acpi_drive_get_handle(drive); - if (drive->acpidata->obj_handle && drive->present) { + if (drive->acpidata->obj_handle && + (drive->dev_flags & IDE_DFLAG_PRESENT)) { acpi_bus_set_power(drive->acpidata->obj_handle, on? ACPI_STATE_D0: ACPI_STATE_D3); } @@ -720,7 +722,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif) memset(drive->acpidata, 0, sizeof(*drive->acpidata)); - if (!drive->present) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) continue; err = taskfile_lib_get_identify(drive, drive->acpidata->idbuff); @@ -745,7 +747,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif) for (i = 0; i < MAX_DRIVES; i++) { drive = &hwif->drives[i]; - if (drive->present) + if (drive->dev_flags & IDE_DFLAG_PRESENT) /* Execute ACPI startup code */ ide_acpi_exec_tfs(drive); } diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 2521677e1f48..a1d8c3557a42 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -261,7 +261,7 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) ide_expiry_t *expiry; unsigned int timeout, temp; u16 bcount; - u8 stat, ireason, scsi = drive->scsi, dsc = 0; + u8 stat, ireason, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI), dsc = 0; debug_log("Enter %s - interrupt handler\n", __func__); @@ -494,7 +494,8 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) } ireason = ide_read_ireason(drive); - if (drive->media == ide_tape && !drive->scsi) + if (drive->media == ide_tape && + (drive->dev_flags & IDE_DFLAG_SCSI) == 0) ireason = ide_wait_ireason(drive, ireason); if ((ireason & ATAPI_COD) == 0 || (ireason & ATAPI_IO)) { @@ -512,7 +513,7 @@ static ide_startstop_t ide_transfer_pc(ide_drive_t *drive) timeout = drive->pc_delay; expiry = &ide_delayed_transfer_pc; } else { - if (drive->scsi) { + if (drive->dev_flags & IDE_DFLAG_SCSI) { timeout = ide_scsi_get_timeout(pc); expiry = ide_scsi_expiry; } else { @@ -544,14 +545,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; u16 bcount; - u8 dma = 0; + u8 dma = 0, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); /* We haven't transferred any data yet */ pc->xferred = 0; pc->cur_pos = pc->buf; /* Request to transfer the entire buffer at once */ - if (drive->media == ide_tape && !drive->scsi) + if (drive->media == ide_tape && scsi == 0) bcount = pc->req_xfer; else bcount = min(pc->req_xfer, 63 * 1024); @@ -561,19 +562,19 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, ide_dma_off(drive); } - if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma) { - if (drive->scsi) + if ((pc->flags & PC_FLAG_DMA_OK) && + (drive->dev_flags & IDE_DFLAG_USING_DMA)) { + if (scsi) hwif->sg_mapped = 1; dma = !hwif->dma_ops->dma_setup(drive); - if (drive->scsi) + if (scsi) hwif->sg_mapped = 0; } if (!dma) pc->flags &= ~PC_FLAG_DMA_OK; - ide_pktcmd_tf_load(drive, drive->scsi ? 0 : IDE_TFLAG_OUT_DEVICE, - bcount, dma); + ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, dma); /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 8650ad43b324..ea7cd4e0b157 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -741,7 +741,7 @@ static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive) if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) { if (--retry == 0) - drive->dsc_overlap = 0; + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; } return ide_stopped; } @@ -1129,7 +1129,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) } cd->dma = 0; } else - cd->dma = drive->using_dma; + cd->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); if (write) cd->devinfo.media_written = 1; @@ -1166,7 +1166,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) else buf = rq->data; - info->dma = drive->using_dma; + info->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); /* * check if dma is safe @@ -1211,7 +1211,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, if (rq_data_dir(rq) == READ && IDE_LARGE_SEEK(info->last_block, block, IDECD_SEEK_THRESHOLD) && - drive->dsc_overlap) { + (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP)) { xferlen = 0; fn = cdrom_start_seek_continuation; @@ -1804,7 +1804,7 @@ static ide_proc_entry_t idecd_proc[] = { { NULL, 0, NULL, NULL } }; -ide_devset_rw_field(dsc_overlap, dsc_overlap); +ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP); static const struct ide_proc_devset idecd_settings[] = { IDE_PROC_DEVSET(dsc_overlap, 0, 1), @@ -1910,7 +1910,10 @@ static int ide_cdrom_setup(ide_drive_t *drive) /* set correct block size */ blk_queue_hardsect_size(drive->queue, CD_FRAMESIZE); - drive->dsc_overlap = (drive->next != drive); + if (drive->next != drive) + drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP; + else + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; if (ide_cdrom_register(drive, nslots)) { printk(KERN_ERR "%s: %s failed to register device with the" @@ -1944,7 +1947,7 @@ static void ide_cd_release(struct kref *kref) kfree(info->toc); if (devinfo->handle == drive) unregister_cdrom(devinfo); - drive->dsc_overlap = 0; + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; drive->driver_data = NULL; blk_queue_prep_rq(drive->queue, NULL); g->private_data = NULL; diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 7ea075299bd9..7ee2c9d2e5c2 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -140,9 +140,9 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, sector_t block) { ide_hwif_t *hwif = HWIF(drive); - unsigned int dma = drive->using_dma; u16 nsectors = (u16)rq->nr_sectors; - u8 lba48 = (drive->addressing == 1) ? 1 : 0; + u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48); + u8 dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); ide_task_t task; struct ide_taskfile *tf = &task.tf; ide_startstop_t rc; @@ -237,7 +237,7 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq, { ide_hwif_t *hwif = HWIF(drive); - BUG_ON(drive->blocked); + BUG_ON(drive->dev_flags & IDE_DFLAG_BLOCKED); if (!blk_fs_request(rq)) { blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command"); @@ -452,7 +452,7 @@ static int proc_idedisk_read_cache char *out = page; int len; - if (drive->id_read) + if (drive->dev_flags & IDE_DFLAG_ID_READ) len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); else len = sprintf(out, "(none)\n"); @@ -568,15 +568,20 @@ static int set_multcount(ide_drive_t *drive, int arg) return (drive->mult_count == arg) ? 0 : -EIO; } -ide_devset_get(nowerr, nowerr); +ide_devset_get_flag(nowerr, IDE_DFLAG_NOWERR); static int set_nowerr(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) return -EINVAL; - drive->nowerr = arg; + if (arg) + drive->dev_flags |= IDE_DFLAG_NOWERR; + else + drive->dev_flags &= ~IDE_DFLAG_NOWERR; + drive->bad_wstat = arg ? BAD_R_STAT : BAD_W_STAT; + return 0; } @@ -599,7 +604,7 @@ static void update_ordered(ide_drive_t *drive) unsigned ordered = QUEUE_ORDERED_NONE; prepare_flush_fn *prep_fn = NULL; - if (drive->wcache) { + if (drive->dev_flags & IDE_DFLAG_WCACHE) { unsigned long long capacity; int barrier; /* @@ -611,8 +616,10 @@ static void update_ordered(ide_drive_t *drive) * not available so we don't need to recheck that. */ capacity = idedisk_capacity(drive); - barrier = ata_id_flush_enabled(id) && !drive->noflush && - (drive->addressing == 0 || capacity <= (1ULL << 28) || + barrier = ata_id_flush_enabled(id) && + (drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 && + ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 || + capacity <= (1ULL << 28) || ata_id_flush_ext_enabled(id)); printk(KERN_INFO "%s: cache flushes %ssupported\n", @@ -628,7 +635,7 @@ static void update_ordered(ide_drive_t *drive) blk_queue_ordered(drive->queue, ordered, prep_fn); } -ide_devset_get(wcache, wcache); +ide_devset_get_flag(wcache, IDE_DFLAG_WCACHE); static int set_wcache(ide_drive_t *drive, int arg) { @@ -640,8 +647,12 @@ static int set_wcache(ide_drive_t *drive, int arg) if (ata_id_flush_enabled(drive->id)) { err = ide_do_setfeature(drive, arg ? SETFEATURES_WC_ON : SETFEATURES_WC_OFF, 0); - if (err == 0) - drive->wcache = arg; + if (err == 0) { + if (arg) + drive->dev_flags |= IDE_DFLAG_WCACHE; + else + drive->dev_flags &= ~IDE_DFLAG_WCACHE; + } } update_ordered(drive); @@ -677,7 +688,7 @@ static int set_acoustic(ide_drive_t *drive, int arg) return 0; } -ide_devset_get(addressing, addressing); +ide_devset_get_flag(addressing, IDE_DFLAG_LBA48); /* * drive->addressing: @@ -697,7 +708,10 @@ static int set_addressing(ide_drive_t *drive, int arg) if (arg == 2) arg = 0; - drive->addressing = arg; + if (arg) + drive->dev_flags |= IDE_DFLAG_LBA48; + else + drive->dev_flags &= ~IDE_DFLAG_LBA48; return 0; } @@ -743,20 +757,20 @@ static void idedisk_setup(ide_drive_t *drive) ide_proc_register_driver(drive, idkp->driver); - if (drive->id_read == 0) + if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) return; - if (drive->removable) { + if (drive->dev_flags & IDE_DFLAG_REMOVABLE) { /* * Removable disks (eg. SYQUEST); ignore 'WD' drives */ if (m[0] != 'W' || m[1] != 'D') - drive->doorlocking = 1; + drive->dev_flags |= IDE_DFLAG_DOORLOCKING; } (void)set_addressing(drive, 1); - if (drive->addressing == 1) { + if (drive->dev_flags & IDE_DFLAG_LBA48) { int max_s = 2048; if (max_s > hwif->rqsize) @@ -772,7 +786,8 @@ static void idedisk_setup(ide_drive_t *drive) init_idedisk_capacity(drive); /* limit drive capacity to 137GB if LBA48 cannot be used */ - if (drive->addressing == 0 && drive->capacity64 > 1ULL << 28) { + if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 && + drive->capacity64 > 1ULL << 28) { printk(KERN_WARNING "%s: cannot use LBA48 - full capacity " "%llu sectors (%llu MB)\n", drive->name, (unsigned long long)drive->capacity64, @@ -780,13 +795,14 @@ static void idedisk_setup(ide_drive_t *drive) drive->capacity64 = 1ULL << 28; } - if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && drive->addressing) { + if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && + (drive->dev_flags & IDE_DFLAG_LBA48)) { if (drive->capacity64 > 1ULL << 28) { printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode" " will be used for accessing sectors " "> %u\n", drive->name, 1 << 28); } else - drive->addressing = 0; + drive->dev_flags &= ~IDE_DFLAG_LBA48; } /* @@ -795,7 +811,7 @@ static void idedisk_setup(ide_drive_t *drive) */ capacity = idedisk_capacity(drive); - if (!drive->forced_geom) { + if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) { if (ata_id_lba48_enabled(drive->id)) { /* compatibility */ drive->bios_sect = 63; @@ -830,14 +846,15 @@ static void idedisk_setup(ide_drive_t *drive) /* write cache enabled? */ if ((id[ATA_ID_CSFO] & 1) || ata_id_wcache_enabled(id)) - drive->wcache = 1; + drive->dev_flags |= IDE_DFLAG_WCACHE; set_wcache(drive, 1); } static void ide_cacheflush_p(ide_drive_t *drive) { - if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) + if (ata_id_flush_enabled(drive->id) == 0 || + (drive->dev_flags & IDE_DFLAG_WCACHE) == 0) return; if (do_idedisk_flushcache(drive)) @@ -956,15 +973,16 @@ static int idedisk_open(struct inode *inode, struct file *filp) idkp->openers++; - if (drive->removable && idkp->openers == 1) { + if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) { check_disk_change(inode->i_bdev); /* * Ignore the return code from door_lock, * since the open() has already succeeded, * and the door_lock is irrelevant at this point. */ - if (drive->doorlocking && idedisk_set_doorlock(drive, 1)) - drive->doorlocking = 0; + if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) && + idedisk_set_doorlock(drive, 1)) + drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING; } return 0; } @@ -978,9 +996,10 @@ static int idedisk_release(struct inode *inode, struct file *filp) if (idkp->openers == 1) ide_cacheflush_p(drive); - if (drive->removable && idkp->openers == 1) { - if (drive->doorlocking && idedisk_set_doorlock(drive, 0)) - drive->doorlocking = 0; + if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) { + if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) && + idedisk_set_doorlock(drive, 0)) + drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING; } idkp->openers--; @@ -1031,12 +1050,13 @@ static int idedisk_media_changed(struct gendisk *disk) ide_drive_t *drive = idkp->drive; /* do not scan partitions twice if this is a removable device */ - if (drive->attach) { - drive->attach = 0; + if (drive->dev_flags & IDE_DFLAG_ATTACH) { + drive->dev_flags &= ~IDE_DFLAG_ATTACH; return 0; } + /* if removable, always assume it was changed */ - return drive->removable; + return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE); } static int idedisk_revalidate_disk(struct gendisk *disk) @@ -1094,15 +1114,15 @@ static int ide_disk_probe(ide_drive_t *drive) if ((!drive->head || drive->head > 16) && !drive->select.b.lba) { printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n", drive->name, drive->head); - drive->attach = 0; + drive->dev_flags &= ~IDE_DFLAG_ATTACH; } else - drive->attach = 1; + drive->dev_flags |= IDE_DFLAG_ATTACH; g->minors = IDE_DISK_MINORS; g->driverfs_dev = &drive->gendev; g->flags |= GENHD_FL_EXT_DEVT; - if (drive->removable) - g->flags |= GENHD_FL_REMOVABLE; + if (drive->dev_flags & IDE_DFLAG_REMOVABLE) + g->flags = GENHD_FL_REMOVABLE; set_capacity(g, idedisk_capacity(drive)); g->fops = &idedisk_ops; add_disk(g); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index ef2f1504c0d5..2dacd802c72c 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -397,7 +397,7 @@ EXPORT_SYMBOL_GPL(ide_dma_host_set); void ide_dma_off_quietly(ide_drive_t *drive) { - drive->using_dma = 0; + drive->dev_flags &= ~IDE_DFLAG_USING_DMA; ide_toggle_bounce(drive, 0); drive->hwif->dma_ops->dma_host_set(drive, 0); @@ -430,7 +430,7 @@ EXPORT_SYMBOL(ide_dma_off); void ide_dma_on(ide_drive_t *drive) { - drive->using_dma = 1; + drive->dev_flags |= IDE_DFLAG_USING_DMA; ide_toggle_bounce(drive, 1); drive->hwif->dma_ops->dma_host_set(drive, 1); @@ -727,7 +727,8 @@ static int ide_tune_dma(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; u8 speed; - if (drive->nodma || ata_id_has_dma(drive->id) == 0) + if (ata_id_has_dma(drive->id) == 0 || + (drive->dev_flags & IDE_DFLAG_NODMA)) return 0; /* consult the list of known "bad" drives */ diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index a11ec86925a3..cdfadb01d07f 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -828,8 +828,8 @@ static int idefloppy_media_changed(struct gendisk *disk) int ret; /* do not scan partitions twice if this is a removable device */ - if (drive->attach) { - drive->attach = 0; + if (drive->dev_flags & IDE_DFLAG_ATTACH) { + drive->dev_flags &= ~IDE_DFLAG_ATTACH; return 0; } ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED); @@ -896,12 +896,13 @@ static int ide_floppy_probe(ide_drive_t *drive) drive->debug_mask = debug_mask; idefloppy_setup(drive, floppy); + drive->dev_flags |= IDE_DFLAG_ATTACH; g->minors = 1 << PARTN_BITS; g->driverfs_dev = &drive->gendev; - g->flags = drive->removable ? GENHD_FL_REMOVABLE : 0; + if (drive->dev_flags & IDE_DFLAG_REMOVABLE) + g->flags = GENHD_FL_REMOVABLE; g->fops = &idefloppy_ops; - drive->attach = 1; add_disk(g); return 0; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 1c51949833be..5f0ed59bac6b 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -184,7 +184,8 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * if (drive->media != ide_disk) break; /* Not supported? Switch to next step now. */ - if (!drive->wcache || ata_id_flush_enabled(drive->id) == 0) { + if (ata_id_flush_enabled(drive->id) == 0 || + (drive->dev_flags & IDE_DFLAG_WCACHE) == 0) { ide_complete_power_step(drive, rq, 0, 0); return ide_stopped; } @@ -222,7 +223,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * if (drive->hwif->dma_ops == NULL) break; /* - * TODO: respect ->using_dma setting + * TODO: respect IDE_DFLAG_USING_DMA */ ide_set_dma(drive); break; @@ -287,7 +288,7 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq) if (blk_pm_suspend_request(rq)) { blk_stop_queue(drive->queue); } else { - drive->blocked = 0; + drive->dev_flags &= ~IDE_DFLAG_BLOCKED; blk_start_queue(drive->queue); } HWGROUP(drive)->rq = NULL; @@ -374,7 +375,8 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 { ide_hwif_t *hwif = drive->hwif; - if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) { + if ((stat & ATA_BUSY) || + ((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) { /* other bits are useless when BUSY */ rq->errors |= ERROR_RESET; } else if (stat & ATA_ERR) { @@ -428,7 +430,8 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u { ide_hwif_t *hwif = drive->hwif; - if ((stat & ATA_BUSY) || ((stat & ATA_DF) && !drive->nowerr)) { + if ((stat & ATA_BUSY) || + ((stat & ATA_DF) && (drive->dev_flags & IDE_DFLAG_NOWERR) == 0)) { /* other bits are useless when BUSY */ rq->errors |= ERROR_RESET; } else { @@ -607,7 +610,7 @@ static ide_startstop_t do_special (ide_drive_t *drive) if (set_pio_mode_abuse(drive->hwif, req_pio)) { /* - * take ide_lock for drive->[no_]unmask/[no_]io_32bit + * take ide_lock for IDE_DFLAG_[NO_]UNMASK/[NO_]IO_32BIT */ if (req_pio == 8 || req_pio == 9) { unsigned long flags; @@ -618,7 +621,8 @@ static ide_startstop_t do_special (ide_drive_t *drive) } else port_ops->set_pio_mode(drive, req_pio); } else { - int keep_dma = drive->using_dma; + int keep_dma = + !!(drive->dev_flags & IDE_DFLAG_USING_DMA); ide_set_pio(drive, req_pio); @@ -775,7 +779,7 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) if (blk_pm_suspend_request(rq) && pm->pm_step == ide_pm_state_start_suspend) /* Mark drive blocked when starting the suspend sequence. */ - drive->blocked = 1; + drive->dev_flags |= IDE_DFLAG_BLOCKED; else if (blk_pm_resume_request(rq) && pm->pm_step == ide_pm_state_start_resume) { /* @@ -895,7 +899,7 @@ void ide_stall_queue (ide_drive_t *drive, unsigned long timeout) if (timeout > WAIT_WORSTCASE) timeout = WAIT_WORSTCASE; drive->sleep = timeout + jiffies; - drive->sleeping = 1; + drive->dev_flags |= IDE_DFLAG_SLEEPING; } EXPORT_SYMBOL(ide_stall_queue); @@ -935,18 +939,23 @@ repeat: } do { - if ((!drive->sleeping || time_after_eq(jiffies, drive->sleep)) - && !elv_queue_empty(drive->queue)) { - if (!best - || (drive->sleeping && (!best->sleeping || time_before(drive->sleep, best->sleep))) - || (!best->sleeping && time_before(WAKEUP(drive), WAKEUP(best)))) - { + u8 dev_s = !!(drive->dev_flags & IDE_DFLAG_SLEEPING); + u8 best_s = (best && !!(best->dev_flags & IDE_DFLAG_SLEEPING)); + + if ((dev_s == 0 || time_after_eq(jiffies, drive->sleep)) && + !elv_queue_empty(drive->queue)) { + if (best == NULL || + (dev_s && (best_s == 0 || time_before(drive->sleep, best->sleep))) || + (best_s == 0 && time_before(WAKEUP(drive), WAKEUP(best)))) { if (!blk_queue_plugged(drive->queue)) best = drive; } } } while ((drive = drive->next) != hwgroup->drive); - if (best && best->nice1 && !best->sleeping && best != hwgroup->drive && best->service_time > WAIT_MIN_SLEEP) { + + if (best && (best->dev_flags & IDE_DFLAG_NICE1) && + (best->dev_flags & IDE_DFLAG_SLEEPING) == 0 && + best != hwgroup->drive && best->service_time > WAIT_MIN_SLEEP) { long t = (signed long)(WAKEUP(best) - jiffies); if (t >= WAIT_MIN_SLEEP) { /* @@ -955,7 +964,7 @@ repeat: */ drive = best->next; do { - if (!drive->sleeping + if ((drive->dev_flags & IDE_DFLAG_SLEEPING) == 0 && time_before(jiffies - best->service_time, WAKEUP(drive)) && time_before(WAKEUP(drive), jiffies + t)) { @@ -1026,7 +1035,9 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq) hwgroup->rq = NULL; drive = hwgroup->drive; do { - if (drive->sleeping && (!sleeping || time_before(drive->sleep, sleep))) { + if ((drive->dev_flags & IDE_DFLAG_SLEEPING) && + (sleeping == 0 || + time_before(drive->sleep, sleep))) { sleeping = 1; sleep = drive->sleep; } @@ -1075,7 +1086,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq) } hwgroup->hwif = hwif; hwgroup->drive = drive; - drive->sleeping = 0; + drive->dev_flags &= ~IDE_DFLAG_SLEEPING; drive->service_start = jiffies; if (blk_queue_plugged(drive->queue)) { @@ -1109,7 +1120,9 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq) * We count how many times we loop here to make sure we service * all drives in the hwgroup without looping for ever */ - if (drive->blocked && !blk_pm_request(rq) && !(rq->cmd_flags & REQ_PREEMPT)) { + if ((drive->dev_flags & IDE_DFLAG_BLOCKED) && + blk_pm_request(rq) == 0 && + (rq->cmd_flags & REQ_PREEMPT) == 0) { drive = drive->next ? drive->next : hwgroup->drive; if (loops++ < 4 && !blk_queue_plugged(drive->queue)) goto again; @@ -1491,7 +1504,7 @@ irqreturn_t ide_intr (int irq, void *dev_id) */ hwif->ide_dma_clear_irq(drive); - if (drive->unmask) + if (drive->dev_flags & IDE_DFLAG_UNMASK) local_irq_enable_in_hardirq(); /* service this interrupt, may set handler for next interrupt */ startstop = handler(drive); diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index cf01564901af..a90945f49792 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -62,7 +62,7 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, int size = (cmd == HDIO_GET_IDENTITY) ? (ATA_ID_WORDS * 2) : 142; int rc = 0; - if (drive->id_read == 0) { + if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) { rc = -ENOMSG; goto out; } @@ -86,8 +86,10 @@ out: static int ide_get_nice_ioctl(ide_drive_t *drive, unsigned long arg) { - return put_user((drive->dsc_overlap << IDE_NICE_DSC_OVERLAP) | - (drive->nice1 << IDE_NICE_1), (long __user *)arg); + return put_user((!!(drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) + << IDE_NICE_DSC_OVERLAP) | + (!!(drive->dev_flags & IDE_DFLAG_NICE1) + << IDE_NICE_1), (long __user *)arg); } static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) @@ -97,11 +99,18 @@ static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg) if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) && (drive->media == ide_disk || drive->media == ide_floppy || - drive->scsi)) + (drive->dev_flags & IDE_DFLAG_SCSI))) return -EPERM; - drive->dsc_overlap = (arg >> IDE_NICE_DSC_OVERLAP) & 1; - drive->nice1 = (arg >> IDE_NICE_1) & 1; + if ((arg >> IDE_NICE_DSC_OVERLAP) & 1) + drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP; + else + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; + + if ((arg >> IDE_NICE_1) & 1) + drive->dev_flags |= IDE_DFLAG_NICE1; + else + drive->dev_flags &= ~IDE_DFLAG_NICE1; return 0; } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 0a2fd3b37ac4..cec744cbbde0 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -647,7 +647,7 @@ u8 eighty_ninty_three (ide_drive_t *drive) return 1; no_80w: - if (drive->udma33_warned == 1) + if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED) return 0; printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, " @@ -655,7 +655,7 @@ no_80w: drive->name, hwif->cbl == ATA_CBL_PATA80 ? "drive" : "host"); - drive->udma33_warned = 1; + drive->dev_flags |= IDE_DFLAG_UDMA33_WARNED; return 0; } @@ -711,7 +711,7 @@ int ide_driveid_update(ide_drive_t *drive) kfree(id); - if (drive->using_dma && ide_id_dma_bug(drive)) + if ((drive->dev_flags & IDE_DFLAG_USING_DMA) && ide_id_dma_bug(drive)) ide_dma_off(drive); return 1; @@ -790,7 +790,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) skip: #ifdef CONFIG_BLK_DEV_IDEDMA - if (speed >= XFER_SW_DMA_0 && drive->using_dma) + if (speed >= XFER_SW_DMA_0 && (drive->dev_flags & IDE_DFLAG_USING_DMA)) hwif->dma_ops->dma_host_set(drive, 1); else if (hwif->dma_ops) /* check if host supports DMA */ ide_dma_off_quietly(drive); @@ -1016,9 +1016,13 @@ static void ide_disk_pre_reset(ide_drive_t *drive) drive->special.all = 0; drive->special.b.set_geometry = legacy; drive->special.b.recalibrate = legacy; + drive->mult_count = 0; - if (!drive->keep_settings && !drive->using_dma) + + if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0 && + (drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) drive->mult_req = 0; + if (drive->mult_req != drive->mult_count) drive->special.b.set_multmode = 1; } @@ -1030,18 +1034,18 @@ static void pre_reset(ide_drive_t *drive) if (drive->media == ide_disk) ide_disk_pre_reset(drive); else - drive->post_reset = 1; + drive->dev_flags |= IDE_DFLAG_POST_RESET; - if (drive->using_dma) { + if (drive->dev_flags & IDE_DFLAG_USING_DMA) { if (drive->crc_count) ide_check_dma_crc(drive); else ide_dma_off(drive); } - if (!drive->keep_settings) { - if (!drive->using_dma) { - drive->unmask = 0; + if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0) { + if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) { + drive->dev_flags &= ~IDE_DFLAG_UNMASK; drive->io_32bit = 0; } return; diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index ed426dd0fdd8..9fc4cfb2a272 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -317,7 +317,7 @@ static void ide_dump_sector(ide_drive_t *drive) { ide_task_t task; struct ide_taskfile *tf = &task.tf; - int lba48 = (drive->addressing == 1) ? 1 : 0; + u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48); memset(&task, 0, sizeof(task)); if (lba48) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 237b9871f80a..57c741876536 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -121,7 +121,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) /* read 512 bytes of id info */ hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE); - drive->id_read = 1; + drive->dev_flags |= IDE_DFLAG_ID_READ; + local_irq_enable(); #ifdef DEBUG printk(KERN_INFO "%s: dumping identify data\n", drive->name); @@ -153,8 +154,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) printk(KERN_INFO "%s: %s, ", drive->name, m); - drive->present = 1; - drive->dead = 0; + drive->dev_flags |= IDE_DFLAG_PRESENT; + drive->dev_flags &= ~IDE_DFLAG_DEAD; /* * Check for an ATAPI device @@ -172,14 +173,14 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) printk(KERN_CONT "cdrom or floppy?, assuming "); if (drive->media != ide_cdrom) { printk(KERN_CONT "FLOPPY"); - drive->removable = 1; + drive->dev_flags |= IDE_DFLAG_REMOVABLE; break; } } /* Early cdrom models used zero */ type = ide_cdrom; case ide_cdrom: - drive->removable = 1; + drive->dev_flags |= IDE_DFLAG_REMOVABLE; #ifdef CONFIG_PPC /* kludge for Apple PowerBook internal zip */ if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) { @@ -195,7 +196,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) break; case ide_optical: printk(KERN_CONT "OPTICAL"); - drive->removable = 1; + drive->dev_flags |= IDE_DFLAG_REMOVABLE; break; default: printk(KERN_CONT "UNKNOWN (type %d)", type); @@ -216,7 +217,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) /* CF devices are *not* removable in Linux definition of the term */ if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7))) - drive->removable = 1; + drive->dev_flags |= IDE_DFLAG_REMOVABLE; drive->media = ide_disk; @@ -226,7 +227,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) err_misc: kfree(id); - drive->present = 0; + drive->dev_flags &= ~IDE_DFLAG_PRESENT; return; } @@ -426,16 +427,15 @@ static int do_probe (ide_drive_t *drive, u8 cmd) ide_hwif_t *hwif = HWIF(drive); const struct ide_tp_ops *tp_ops = hwif->tp_ops; int rc; - u8 stat; + u8 present = !!(drive->dev_flags & IDE_DFLAG_PRESENT), stat; + + /* avoid waiting for inappropriate probes */ + if (present && drive->media != ide_disk && cmd == ATA_CMD_ID_ATA) + return 4; - if (drive->present) { - /* avoid waiting for inappropriate probes */ - if (drive->media != ide_disk && cmd == ATA_CMD_ID_ATA) - return 4; - } #ifdef DEBUG printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n", - drive->name, drive->present, drive->media, + drive->name, present, drive->media, (cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI"); #endif @@ -446,7 +446,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) SELECT_DRIVE(drive); msleep(50); - if (ide_read_device(drive) != drive->select.all && !drive->present) { + if (ide_read_device(drive) != drive->select.all && present == 0) { if (drive->select.b.unit != 0) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); @@ -460,7 +460,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) stat = tp_ops->read_status(hwif); if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) || - drive->present || cmd == ATA_CMD_ID_ATAPI) { + present || cmd == ATA_CMD_ID_ATAPI) { /* send cmd and wait */ if ((rc = try_to_identify(drive, cmd))) { /* failed: try again */ @@ -542,8 +542,8 @@ static void enable_nest (ide_drive_t *drive) * and presents things to the user as needed. * * Returns: 0 no device was found - * 1 device was found (note: drive->present might - * still be 0) + * 1 device was found + * (note: IDE_DFLAG_PRESENT might still be not set) */ static inline u8 probe_for_drive (ide_drive_t *drive) @@ -559,10 +559,10 @@ static inline u8 probe_for_drive (ide_drive_t *drive) * Also note that 0 everywhere means "can't do X" */ + drive->dev_flags &= ~IDE_DFLAG_ID_READ; + drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL); - drive->id_read = 0; - if(drive->id == NULL) - { + if (drive->id == NULL) { printk(KERN_ERR "ide: out of memory for id data.\n"); return 0; } @@ -571,14 +571,14 @@ static inline u8 probe_for_drive (ide_drive_t *drive) strcpy(m, "UNKNOWN"); /* skip probing? */ - if (!drive->noprobe) { + if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0) { retry: /* if !(success||timed-out) */ if (do_probe(drive, ATA_CMD_ID_ATA) >= 2) /* look for ATAPI device */ (void)do_probe(drive, ATA_CMD_ID_ATAPI); - if (!drive->present) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) /* drive not found */ return 0; @@ -588,7 +588,7 @@ retry: } /* identification failed? */ - if (!drive->id_read) { + if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) { if (drive->media == ide_disk) { printk(KERN_INFO "%s: non-IDE drive, CHS=%d/%d/%d\n", drive->name, drive->cyl, @@ -598,15 +598,17 @@ retry: } else { /* nuke it */ printk(KERN_WARNING "%s: Unknown device on bus refused identification. Ignoring.\n", drive->name); - drive->present = 0; + drive->dev_flags &= ~IDE_DFLAG_PRESENT; } } /* drive was found */ } - if(!drive->present) + + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) return 0; + /* The drive wasn't being helpful. Add generic info only */ - if (drive->id_read == 0) { + if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) { generic_id(drive); return 1; } @@ -616,7 +618,7 @@ retry: ide_disk_init_mult_count(drive); } - return drive->present; + return !!(drive->dev_flags & IDE_DFLAG_PRESENT); } static void hwif_release_dev(struct device *dev) @@ -707,7 +709,8 @@ static int ide_port_wait_ready(ide_hwif_t *hwif) ide_drive_t *drive = &hwif->drives[unit]; /* Ignore disks that we will not probe for later. */ - if (!drive->noprobe || drive->present) { + if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 || + (drive->dev_flags & IDE_DFLAG_PRESENT)) { SELECT_DRIVE(drive); hwif->tp_ops->set_irq(hwif, 1); mdelay(2); @@ -739,7 +742,7 @@ void ide_undecoded_slave(ide_drive_t *dev1) { ide_drive_t *dev0 = &dev1->hwif->drives[0]; - if ((dev1->dn & 1) == 0 || dev0->present == 0) + if ((dev1->dn & 1) == 0 || (dev0->dev_flags & IDE_DFLAG_PRESENT) == 0) return; /* If the models don't match they are not the same product */ @@ -759,7 +762,7 @@ void ide_undecoded_slave(ide_drive_t *dev1) /* Appears to be an IDE flash adapter with decode bugs */ printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n"); - dev1->present = 0; + dev1->dev_flags &= ~IDE_DFLAG_PRESENT; } EXPORT_SYMBOL_GPL(ide_undecoded_slave); @@ -772,7 +775,8 @@ static int ide_probe_port(ide_hwif_t *hwif) BUG_ON(hwif->present); - if (hwif->drives[0].noprobe && hwif->drives[1].noprobe) + if ((hwif->drives[0].dev_flags & IDE_DFLAG_NOPROBE) && + (hwif->drives[1].dev_flags & IDE_DFLAG_NOPROBE)) return -EACCES; /* @@ -796,7 +800,7 @@ static int ide_probe_port(ide_hwif_t *hwif) ide_drive_t *drive = &hwif->drives[unit]; drive->dn = (hwif->channel ? 2 : 0) + unit; (void) probe_for_drive(drive); - if (drive->present) + if (drive->dev_flags & IDE_DFLAG_PRESENT) rc = 0; } @@ -820,17 +824,19 @@ static void ide_port_tune_devices(ide_hwif_t *hwif) for (unit = 0; unit < MAX_DRIVES; unit++) { ide_drive_t *drive = &hwif->drives[unit]; - if (drive->present && port_ops && port_ops->quirkproc) - port_ops->quirkproc(drive); + if (drive->dev_flags & IDE_DFLAG_PRESENT) { + if (port_ops && port_ops->quirkproc) + port_ops->quirkproc(drive); + } } for (unit = 0; unit < MAX_DRIVES; ++unit) { ide_drive_t *drive = &hwif->drives[unit]; - if (drive->present) { + if (drive->dev_flags & IDE_DFLAG_PRESENT) { ide_set_max_pio(drive); - drive->nice1 = 1; + drive->dev_flags |= IDE_DFLAG_NICE1; if (hwif->dma_ops) ide_set_dma(drive); @@ -840,10 +846,11 @@ static void ide_port_tune_devices(ide_hwif_t *hwif) for (unit = 0; unit < MAX_DRIVES; ++unit) { ide_drive_t *drive = &hwif->drives[unit]; - if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) - drive->no_io_32bit = 1; + if ((hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) || + drive->id[ATA_ID_DWORD_IO]) + drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT; else - drive->no_io_32bit = drive->id[ATA_ID_DWORD_IO] ? 1 : 0; + drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT; } } @@ -957,7 +964,7 @@ static void ide_port_setup_devices(ide_hwif_t *hwif) for (i = 0; i < MAX_DRIVES; i++) { ide_drive_t *drive = &hwif->drives[i]; - if (!drive->present) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) continue; if (ide_init_queue(drive)) { @@ -1151,12 +1158,13 @@ static struct kobject *ata_probe(dev_t dev, int *part, void *data) ide_hwif_t *hwif = data; int unit = *part >> PARTN_BITS; ide_drive_t *drive = &hwif->drives[unit]; - if (!drive->present) + + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) return NULL; if (drive->media == ide_disk) request_module("ide-disk"); - if (drive->scsi) + if (drive->dev_flags & IDE_DFLAG_SCSI) request_module("ide-scsi"); if (drive->media == ide_cdrom || drive->media == ide_optical) request_module("ide-cd"); @@ -1246,7 +1254,7 @@ static void drive_release_dev (struct device *dev) ide_remove_drive_from_hwgroup(drive); kfree(drive->id); drive->id = NULL; - drive->present = 0; + drive->dev_flags &= ~IDE_DFLAG_PRESENT; /* Messed up locking ... */ spin_unlock_irq(&ide_lock); blk_cleanup_queue(drive->queue); @@ -1325,7 +1333,7 @@ static void hwif_register_devices(ide_hwif_t *hwif) struct device *dev = &drive->gendev; int ret; - if (!drive->present) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) continue; snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i); @@ -1352,9 +1360,9 @@ static void ide_port_init_devices(ide_hwif_t *hwif) if (hwif->host_flags & IDE_HFLAG_IO_32BIT) drive->io_32bit = 1; if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS) - drive->unmask = 1; + drive->dev_flags |= IDE_DFLAG_UNMASK; if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS) - drive->no_unmask = 1; + drive->dev_flags |= IDE_DFLAG_NO_UNMASK; if (port_ops && port_ops->init_dev) port_ops->init_dev(drive); diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index e7030a491463..b26926487cc0 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -227,7 +227,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg) ide_devset_rw(current_speed, xfer_rate); ide_devset_rw_field(init_speed, init_speed); -ide_devset_rw_field(nice1, nice1); +ide_devset_rw_flag(nice1, IDE_DFLAG_NICE1); ide_devset_rw_field(number, dn); static const struct ide_proc_devset ide_generic_settings[] = { @@ -622,9 +622,7 @@ void ide_proc_port_register_devices(ide_hwif_t *hwif) for (d = 0; d < MAX_DRIVES; d++) { ide_drive_t *drive = &hwif->drives[d]; - if (!drive->present) - continue; - if (drive->proc) + if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0 || drive->proc) continue; drive->proc = proc_mkdir(drive->name, parent); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 2c235401aad1..103f9f161716 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -826,12 +826,13 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, */ stat = hwif->tp_ops->read_status(hwif); - if (!drive->dsc_overlap && !(rq->cmd[13] & REQ_IDETAPE_PC2)) + if ((drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) == 0 && + (rq->cmd[13] & REQ_IDETAPE_PC2) == 0) set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); - if (drive->post_reset == 1) { + if (drive->dev_flags & IDE_DFLAG_POST_RESET) { set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags); - drive->post_reset = 0; + drive->dev_flags &= ~IDE_DFLAG_POST_RESET; } if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) && @@ -1354,7 +1355,7 @@ static int idetape_init_read(ide_drive_t *drive) * No point in issuing this if DSC overlap isn't supported, some * drives (Seagate STT3401A) will return an error. */ - if (drive->dsc_overlap) { + if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) { bytes_read = idetape_queue_rw_tail(drive, REQ_IDETAPE_READ, 0, tape->merge_bh); @@ -1630,7 +1631,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf, * point in issuing this if DSC overlap isn't supported, some * drives (Seagate STT3401A) will return an error. */ - if (drive->dsc_overlap) { + if (drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) { ssize_t retval = idetape_queue_rw_tail(drive, REQ_IDETAPE_WRITE, 0, tape->merge_bh); @@ -2145,7 +2146,7 @@ static int divf_tdsc(ide_drive_t *drive) { return HZ; } static int divf_buffer(ide_drive_t *drive) { return 2; } static int divf_buffer_size(ide_drive_t *drive) { return 1024; } -ide_devset_rw_field(dsc_overlap, dsc_overlap); +ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP); ide_tape_devset_rw_field(debug_mask, debug_mask); ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq); @@ -2192,15 +2193,19 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) drive->pc_io_buffers = ide_tape_io_buffers; spin_lock_init(&tape->lock); - drive->dsc_overlap = 1; + + drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP; + if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) { printk(KERN_INFO "ide-tape: %s: disabling DSC overlap\n", tape->name); - drive->dsc_overlap = 0; + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; } + /* Seagate Travan drives do not support DSC overlap. */ if (strstr((char *)&drive->id[ATA_ID_PROD], "Seagate STT3401")) - drive->dsc_overlap = 0; + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; + tape->minor = minor; tape->name[0] = 'h'; tape->name[1] = 't'; @@ -2247,7 +2252,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) (*(u16 *)&tape->caps[16] * 512) / tape->buffer_size, tape->buffer_size / 1024, tape->best_dsc_rw_freq * 1000 / HZ, - drive->using_dma ? ", DMA":""); + (drive->dev_flags & IDE_DFLAG_USING_DMA) ? ", DMA" : ""); ide_proc_register_driver(drive, tape->driver); } @@ -2271,7 +2276,7 @@ static void ide_tape_release(struct kref *kref) BUG_ON(tape->merge_bh_size); - drive->dsc_overlap = 0; + drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; drive->driver_data = NULL; device_destroy(idetape_sysfs_class, MKDEV(IDETAPE_MAJOR, tape->minor)); device_destroy(idetape_sysfs_class, @@ -2386,7 +2391,8 @@ static int ide_tape_probe(ide_drive_t *drive) if (drive->media != ide_tape) goto failed; - if (drive->id_read == 1 && !ide_check_atapi_device(drive, DRV_NAME)) { + if ((drive->dev_flags & IDE_DFLAG_ID_READ) && + ide_check_atapi_device(drive, DRV_NAME) == 0) { printk(KERN_ERR "ide-tape: %s: not supported by this version of" " the driver\n", drive->name); goto failed; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 487b18b3ebae..8da8d26db7ed 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -116,7 +116,8 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) WAIT_WORSTCASE, NULL); return ide_started; default: - if (drive->using_dma == 0 || dma_ops->dma_setup(drive)) + if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0 || + dma_ops->dma_setup(drive)) return ide_stopped; dma_ops->dma_exec_cmd(drive, tf->command); dma_ops->dma_start(drive); @@ -469,13 +470,12 @@ static ide_startstop_t pre_task_out_intr(ide_drive_t *drive, struct request *rq) if (ide_wait_stat(&startstop, drive, ATA_DRQ, drive->bad_wstat, WAIT_DRQ)) { printk(KERN_ERR "%s: no DRQ after issuing %sWRITE%s\n", - drive->name, - drive->hwif->data_phase ? "MULT" : "", - drive->addressing ? "_EXT" : ""); + drive->name, drive->hwif->data_phase ? "MULT" : "", + (drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : ""); return startstop; } - if (!drive->unmask) + if ((drive->dev_flags & IDE_DFLAG_UNMASK) == 0) local_irq_disable(); ide_set_handler(drive, &task_out_intr, WAIT_WORSTCASE, NULL); @@ -591,7 +591,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) args.tf_flags = IDE_TFLAG_IO_16BIT | IDE_TFLAG_DEVICE | IDE_TFLAG_IN_TF; - if (drive->addressing == 1) + if (drive->dev_flags & IDE_DFLAG_LBA48) args.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_IN_HOB); if (req_task->out_flags.all) { @@ -694,7 +694,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg) if ((args.tf_flags & IDE_TFLAG_FLAGGED_SET_IN_FLAGS) && req_task->in_flags.all == 0) { req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS; - if (drive->addressing == 1) + if (drive->dev_flags & IDE_DFLAG_LBA48) req_task->in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8); } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 64997873b6d7..78776bbb537e 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -138,7 +138,7 @@ static void __ide_port_unregister_devices(ide_hwif_t *hwif) for (i = 0; i < MAX_DRIVES; i++) { ide_drive_t *drive = &hwif->drives[i]; - if (drive->present) { + if (drive->dev_flags & IDE_DFLAG_PRESENT) { spin_unlock_irq(&ide_lock); device_unregister(&drive->gendev); wait_for_completion(&drive->gendev_rel_comp); @@ -254,7 +254,7 @@ ide_devset_get(io_32bit, io_32bit); static int set_io_32bit(ide_drive_t *drive, int arg) { - if (drive->no_io_32bit) + if (drive->dev_flags & IDE_DFLAG_NO_IO_32BIT) return -EPERM; if (arg < 0 || arg > 1 + (SUPPORT_VLB_SYNC << 1)) @@ -265,19 +265,22 @@ static int set_io_32bit(ide_drive_t *drive, int arg) return 0; } -ide_devset_get(ksettings, keep_settings); +ide_devset_get_flag(ksettings, IDE_DFLAG_KEEP_SETTINGS); static int set_ksettings(ide_drive_t *drive, int arg) { if (arg < 0 || arg > 1) return -EINVAL; - drive->keep_settings = arg; + if (arg) + drive->dev_flags |= IDE_DFLAG_KEEP_SETTINGS; + else + drive->dev_flags &= ~IDE_DFLAG_KEEP_SETTINGS; return 0; } -ide_devset_get(using_dma, using_dma); +ide_devset_get_flag(using_dma, IDE_DFLAG_USING_DMA); static int set_using_dma(ide_drive_t *drive, int arg) { @@ -339,17 +342,20 @@ static int set_pio_mode(ide_drive_t *drive, int arg) return 0; } -ide_devset_get(unmaskirq, unmask); +ide_devset_get_flag(unmaskirq, IDE_DFLAG_UNMASK); static int set_unmaskirq(ide_drive_t *drive, int arg) { - if (drive->no_unmask) + if (drive->dev_flags & IDE_DFLAG_NO_UNMASK) return -EPERM; if (arg < 0 || arg > 1) return -EINVAL; - drive->unmask = arg; + if (arg) + drive->dev_flags |= IDE_DFLAG_UNMASK; + else + drive->dev_flags &= ~IDE_DFLAG_UNMASK; return 0; } @@ -713,16 +719,16 @@ static void ide_dev_apply_params(ide_drive_t *drive) if (ide_nodma & (1 << i)) { printk(KERN_INFO "ide: disallowing DMA for %s\n", drive->name); - drive->nodma = 1; + drive->dev_flags |= IDE_DFLAG_NODMA; } if (ide_noflush & (1 << i)) { printk(KERN_INFO "ide: disabling flush requests for %s\n", drive->name); - drive->noflush = 1; + drive->dev_flags |= IDE_DFLAG_NOFLUSH; } if (ide_noprobe & (1 << i)) { printk(KERN_INFO "ide: skipping probe for %s\n", drive->name); - drive->noprobe = 1; + drive->dev_flags |= IDE_DFLAG_NOPROBE; } if (ide_nowerr & (1 << i)) { printk(KERN_INFO "ide: ignoring the ATA_DF bit for %s\n", @@ -731,7 +737,7 @@ static void ide_dev_apply_params(ide_drive_t *drive) } if (ide_cdroms & (1 << i)) { printk(KERN_INFO "ide: forcing %s as a CD-ROM\n", drive->name); - drive->present = 1; + drive->dev_flags |= IDE_DFLAG_PRESENT; drive->media = ide_cdrom; /* an ATAPI device ignores DRDY */ drive->ready_stat = 0; @@ -740,11 +746,12 @@ static void ide_dev_apply_params(ide_drive_t *drive) drive->cyl = drive->bios_cyl = ide_disks_chs[i].cyl; drive->head = drive->bios_head = ide_disks_chs[i].head; drive->sect = drive->bios_sect = ide_disks_chs[i].sect; - drive->forced_geom = 1; + printk(KERN_INFO "ide: forcing %s as a disk (%d/%d/%d)\n", drive->name, drive->cyl, drive->head, drive->sect); - drive->present = 1; + + drive->dev_flags |= IDE_DFLAG_FORCED_GEOM | IDE_DFLAG_PRESENT; drive->media = ide_disk; drive->ready_stat = ATA_DRDY; } diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/legacy/ht6560b.c index 5123ea291d07..c7e5c2246b79 100644 --- a/drivers/ide/legacy/ht6560b.c +++ b/drivers/ide/legacy/ht6560b.c @@ -120,7 +120,8 @@ static void ht6560b_selectproc (ide_drive_t *drive) * Need to enforce prefetch sometimes because otherwise * it'll hang (hard). */ - if (drive->media != ide_disk || !drive->present) + if (drive->media != ide_disk || + (drive->dev_flags & IDE_DFLAG_PRESENT) == 0) select |= HT_PREFETCH_MODE; if (select != current_select || timing != current_timing) { @@ -249,11 +250,11 @@ static void ht_set_prefetch(ide_drive_t *drive, u8 state) */ if (state) { drive->drive_data |= t; /* enable prefetch mode */ - drive->no_unmask = 1; - drive->unmask = 0; + drive->dev_flags |= IDE_DFLAG_NO_UNMASK; + drive->dev_flags &= ~IDE_DFLAG_UNMASK; } else { drive->drive_data &= ~t; /* disable prefetch mode */ - drive->no_unmask = 0; + drive->dev_flags &= ~IDE_DFLAG_NO_UNMASK; } spin_unlock_irqrestore(&ht6560b_lock, flags); diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 824471f91bf5..7dbc692c84c3 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -92,7 +92,7 @@ static void amd_set_drive(ide_drive_t *drive, const u8 speed) ide_timing_compute(drive, speed, &t, T, UT); - if (peer->present) { + if (peer->dev_flags & IDE_DFLAG_PRESENT) { ide_timing_compute(peer, peer->current_speed, &p, T, UT); ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT); } diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index 7f39cdb41410..d3afdffcb07a 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -378,13 +378,13 @@ static void __set_prefetch_mode(ide_drive_t *drive, int mode) { if (mode) { /* want prefetch on? */ #if CMD640_PREFETCH_MASKS - drive->no_unmask = 1; - drive->unmask = 0; + drive->dev_flags |= IDE_DFLAG_NO_UNMASK; + drive->dev_flags &= ~IDE_DFLAG_UNMASK; #endif - drive->no_io_32bit = 0; + drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT; } else { - drive->no_unmask = 0; - drive->no_io_32bit = 1; + drive->dev_flags &= ~IDE_DFLAG_NO_UNMASK; + drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT; drive->io_32bit = 0; } } @@ -471,7 +471,7 @@ static void program_drive_counts(ide_drive_t *drive, unsigned int index) ide_drive_t *peer = &hwif->drives[!drive->select.b.unit]; unsigned int mate = index ^ 1; - if (peer->present) { + if (peer->dev_flags & IDE_DFLAG_PRESENT) { if (setup_count < setup_counts[mate]) setup_count = setup_counts[mate]; if (active_count < active_counts[mate]) @@ -626,7 +626,7 @@ static void cmd640_init_dev(ide_drive_t *drive) */ check_prefetch(drive, i); printk(KERN_INFO DRV_NAME ": drive%d timings/prefetch(%s) preserved\n", - i, drive->no_io_32bit ? "off" : "on"); + i, (drive->dev_flags & IDE_DFLAG_NO_IO_32BIT) ? "off" : "on"); #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ } diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 46edd083b348..b761015ee190 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -454,7 +454,7 @@ static void it821x_quirkproc(ide_drive_t *drive) * IRQ mask as we may well be in PIO (eg rev 0x10) * for now and we know unmasking is safe on this chipset. */ - drive->unmask = 1; + drive->dev_flags |= IDE_DFLAG_UNMASK; } else { /* * Perform fixups on smart mode. We need to "lose" some diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 53bd645736d9..99e98e5e271c 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -137,7 +137,7 @@ static void __devinit superio_init_iops(struct hwif_s *hwif) static unsigned int ns87415_count = 0, ns87415_control[MAX_HWIFS] = { 0 }; /* - * This routine either enables/disables (according to drive->present) + * This routine either enables/disables (according to IDE_DFLAG_PRESENT) * the IRQ associated with the port (HWIF(drive)), * and selects either PIO or DMA handshaking for the next I/O operation. */ @@ -153,7 +153,11 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma) /* Adjust IRQ enable bit */ bit = 1 << (8 + hwif->channel); - new = drive->present ? (new & ~bit) : (new | bit); + + if (drive->dev_flags & IDE_DFLAG_PRESENT) + new &= ~bit; + else + new |= bit; /* Select PIO or DMA, DMA may only be selected for one drive/channel. */ bit = 1 << (20 + drive->select.b.unit + (hwif->channel << 1)); @@ -187,7 +191,8 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma) static void ns87415_selectproc (ide_drive_t *drive) { - ns87415_prepare_drive (drive, drive->using_dma); + ns87415_prepare_drive(drive, + !!(drive->dev_flags & IDE_DFLAG_USING_DMA)); } static int ns87415_dma_end(ide_drive_t *drive) diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index cb6d2a00c514..6d9240a9dcfa 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -168,7 +168,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive) { if (drive->current_speed > XFER_UDMA_2) pdc_old_enable_66MHz_clock(drive->hwif); - if (drive->media != ide_disk || drive->addressing == 1) { + if (drive->media != ide_disk || (drive->dev_flags & IDE_DFLAG_LBA48)) { struct request *rq = HWGROUP(drive)->rq; ide_hwif_t *hwif = HWIF(drive); unsigned long high_16 = hwif->extra_base - 16; @@ -188,7 +188,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive) static int pdc202xx_dma_end(ide_drive_t *drive) { - if (drive->media != ide_disk || drive->addressing == 1) { + if (drive->media != ide_disk || (drive->dev_flags & IDE_DFLAG_LBA48)) { ide_hwif_t *hwif = HWIF(drive); unsigned long high_16 = hwif->extra_base - 16; unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20); diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index bdc1fed41260..50405ed6f0cb 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -216,7 +216,8 @@ static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio) if (mode != -1) { printk("SC1200: %s: changing (U)DMA mode\n", drive->name); ide_dma_off_quietly(drive); - if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma) + if (ide_set_dma_mode(drive, mode) == 0 && + (drive->dev_flags & IDE_DFLAG_USING_DMA)) hwif->dma_ops->dma_host_set(drive, 1); return; } diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c index 4dfbc6a68b5b..c12ffbb28748 100644 --- a/drivers/ide/pci/trm290.c +++ b/drivers/ide/pci/trm290.c @@ -161,7 +161,7 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma) } /* enable IRQ if not probing */ - if (drive->present) { + if (drive->dev_flags & IDE_DFLAG_PRESENT) { reg = inw(hwif->config_data + 3); reg &= 0x13; reg &= ~(1 << hwif->channel); @@ -173,7 +173,7 @@ static void trm290_prepare_drive (ide_drive_t *drive, unsigned int use_dma) static void trm290_selectproc (ide_drive_t *drive) { - trm290_prepare_drive(drive, drive->using_dma); + trm290_prepare_drive(drive, !!(drive->dev_flags & IDE_DFLAG_USING_DMA)); } static void trm290_dma_exec_cmd(ide_drive_t *drive, u8 command) diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index c3432da78d52..0a6d40cebe47 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -966,11 +966,11 @@ static void pmac_ide_init_dev(ide_drive_t *drive) if (pmif->mediabay) { #ifdef CONFIG_PMAC_MEDIABAY if (check_media_bay_by_base(pmif->regbase, MB_CD) == 0) { - drive->noprobe = 0; + drive->dev_flags &= ~IDE_DFLAG_NOPROBE; return; } #endif - drive->noprobe = 1; + drive->dev_flags |= IDE_DFLAG_NOPROBE; } } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 7d3d03f98914..67e9ed95f669 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -331,7 +331,8 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r if (blk_sense_request(rq) || blk_special_request(rq)) { struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special; - if (drive->using_dma && !idescsi_map_sg(drive, pc)) + if ((drive->dev_flags & IDE_DFLAG_USING_DMA) && + idescsi_map_sg(drive, pc) == 0) pc->flags |= PC_FLAG_DMA_OK; return idescsi_issue_pc(drive, pc); @@ -415,7 +416,7 @@ static void ide_scsi_remove(ide_drive_t *drive) ide_scsi_put(scsi); - drive->scsi = 0; + drive->dev_flags &= ~IDE_DFLAG_SCSI; } static int ide_scsi_probe(ide_drive_t *); @@ -767,7 +768,7 @@ static int ide_scsi_probe(ide_drive_t *drive) !(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t)))) return -ENODEV; - drive->scsi = 1; + drive->dev_flags |= IDE_DFLAG_SCSI; g = alloc_disk(1 << PARTN_BITS); if (!g) @@ -808,7 +809,7 @@ static int ide_scsi_probe(ide_drive_t *drive) put_disk(g); out_host_put: - drive->scsi = 0; + drive->dev_flags &= ~IDE_DFLAG_SCSI; scsi_host_put(host); return err; } diff --git a/include/linux/ide.h b/include/linux/ide.h index 90d53c99fe92..b538d2e6dcbb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -459,6 +459,55 @@ enum { IDE_AFLAG_NO_AUTOCLOSE = (1 << 29), }; +/* device flags */ +enum { + /* restore settings after device reset */ + IDE_DFLAG_KEEP_SETTINGS = (1 << 0), + /* device is using DMA for read/write */ + IDE_DFLAG_USING_DMA = (1 << 1), + /* okay to unmask other IRQs */ + IDE_DFLAG_UNMASK = (1 << 2), + /* don't attempt flushes */ + IDE_DFLAG_NOFLUSH = (1 << 3), + /* DSC overlap */ + IDE_DFLAG_DSC_OVERLAP = (1 << 4), + /* give potential excess bandwidth */ + IDE_DFLAG_NICE1 = (1 << 5), + /* device is physically present */ + IDE_DFLAG_PRESENT = (1 << 6), + /* device ejected hint */ + IDE_DFLAG_DEAD = (1 << 7), + /* id read from device (synthetic if not set) */ + IDE_DFLAG_ID_READ = (1 << 8), + IDE_DFLAG_NOPROBE = (1 << 9), + /* need to do check_media_change() */ + IDE_DFLAG_REMOVABLE = (1 << 10), + /* needed for removable devices */ + IDE_DFLAG_ATTACH = (1 << 11), + IDE_DFLAG_FORCED_GEOM = (1 << 12), + /* disallow setting unmask bit */ + IDE_DFLAG_NO_UNMASK = (1 << 13), + /* disallow enabling 32-bit I/O */ + IDE_DFLAG_NO_IO_32BIT = (1 << 14), + /* for removable only: door lock/unlock works */ + IDE_DFLAG_DOORLOCKING = (1 << 15), + /* disallow DMA */ + IDE_DFLAG_NODMA = (1 << 16), + /* powermanagment told us not to do anything, so sleep nicely */ + IDE_DFLAG_BLOCKED = (1 << 17), + /* ide-scsi emulation */ + IDE_DFLAG_SCSI = (1 << 18), + /* sleeping & sleep field valid */ + IDE_DFLAG_SLEEPING = (1 << 19), + IDE_DFLAG_POST_RESET = (1 << 20), + IDE_DFLAG_UDMA33_WARNED = (1 << 21), + IDE_DFLAG_LBA48 = (1 << 22), + /* status of write cache */ + IDE_DFLAG_WCACHE = (1 << 23), + /* used for ignoring ATA_DF */ + IDE_DFLAG_NOWERR = (1 << 24), +}; + struct ide_drive_s { char name[4]; /* drive name, such as "hda" */ char driver_req[10]; /* requests specific driver */ @@ -475,6 +524,8 @@ struct ide_drive_s { #endif struct hwif_s *hwif; /* actually (ide_hwif_t *) */ + unsigned long dev_flags; + unsigned long sleep; /* sleep until this time */ unsigned long service_start; /* time we started last request */ unsigned long service_time; /* service time of last request */ @@ -487,32 +538,6 @@ struct ide_drive_s { u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ - unsigned keep_settings : 1; /* restore settings after drive reset */ - unsigned using_dma : 1; /* disk is using dma for read/write */ - unsigned unmask : 1; /* okay to unmask other irqs */ - unsigned noflush : 1; /* don't attempt flushes */ - unsigned dsc_overlap : 1; /* DSC overlap */ - unsigned nice1 : 1; /* give potential excess bandwidth */ - unsigned present : 1; /* drive is physically present */ - unsigned dead : 1; /* device ejected hint */ - unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */ - unsigned noprobe : 1; /* from: hdx=noprobe */ - unsigned removable : 1; /* 1 if need to do check_media_change */ - unsigned attach : 1; /* needed for removable devices */ - unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */ - unsigned no_unmask : 1; /* disallow setting unmask bit */ - unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */ - unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ - unsigned nodma : 1; /* disallow DMA */ - unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ - unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */ - unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ - unsigned post_reset : 1; - unsigned udma33_warned : 1; - unsigned addressing : 1; /* 0=28-bit, 1=48-bit */ - unsigned wcache : 1; /* status of write cache */ - unsigned nowerr : 1; /* used for ignoring ATA_DF */ - u8 quirk_list; /* considered quirky, set for a specific host */ u8 init_speed; /* transfer rate set at boot */ u8 current_speed; /* current transfer rate set */ @@ -826,6 +851,22 @@ static int set_##name(ide_drive_t *drive, int arg) \ return 0; \ } +#define ide_devset_get_flag(name, flag) \ +static int get_##name(ide_drive_t *drive) \ +{ \ + return !!(drive->dev_flags & flag); \ +} + +#define ide_devset_set_flag(name, flag) \ +static int set_##name(ide_drive_t *drive, int arg) \ +{ \ + if (arg) \ + drive->dev_flags |= flag; \ + else \ + drive->dev_flags &= ~flag; \ + return 0; \ +} + #define __IDE_DEVSET(_name, _flags, _get, _set) \ const struct ide_devset ide_devset_##_name = \ __DEVSET(_flags, _get, _set) @@ -861,6 +902,11 @@ ide_devset_get(_name, _field); \ ide_devset_set(_name, _field); \ IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) +#define ide_devset_rw_flag(_name, _field) \ +ide_devset_get_flag(_name, _field); \ +ide_devset_set_flag(_name, _field); \ +IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) + struct ide_proc_devset { const char *name; const struct ide_devset *setting; @@ -1587,6 +1633,6 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive) { ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1]; - return peer->present ? peer : NULL; + return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL; } #endif /* _IDE_H */ -- GitLab From c39220483ebe6871fb129d4b2236cd95290c41fc Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:37 +0200 Subject: [PATCH 4426/6244] ide: DMA_PIO_RETRY -> IDE_DFLAG_DMA_PIO_RETRY Add IDE_DFLAG_DMA_PIO_RETRY and use it instead of ide_drive_t.state + DMA_PIO_RETRY. There should be no functional changes cause by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 7 ++++--- include/linux/ide.h | 9 ++------- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 5f0ed59bac6b..11b602bb5741 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -78,8 +78,9 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq, * decide whether to reenable DMA -- 3 is a random magic for now, * if we DMA timeout more than 3 times, just stay in PIO */ - if (drive->state == DMA_PIO_RETRY && drive->retry_pio <= 3) { - drive->state = 0; + if ((drive->dev_flags & IDE_DFLAG_DMA_PIO_RETRY) && + drive->retry_pio <= 3) { + drive->dev_flags &= ~IDE_DFLAG_DMA_PIO_RETRY; ide_dma_on(drive); } @@ -1195,8 +1196,8 @@ static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) * a timeout -- we'll reenable after we finish this next request * (or rather the first chunk of it) in pio. */ + drive->dev_flags |= IDE_DFLAG_DMA_PIO_RETRY; drive->retry_pio++; - drive->state = DMA_PIO_RETRY; ide_dma_off_quietly(drive); /* diff --git a/include/linux/ide.h b/include/linux/ide.h index b538d2e6dcbb..230bd9dd851d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -48,12 +48,6 @@ typedef unsigned char byte; /* used everywhere */ #define ERROR_RESET 3 /* Reset controller every 4th retry */ #define ERROR_RECAL 1 /* Recalibrate every 2nd retry */ -/* - * state flags - */ - -#define DMA_PIO_RETRY 1 /* retrying in PIO */ - #define HWIF(drive) ((ide_hwif_t *)((drive)->hwif)) #define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup)) @@ -506,6 +500,8 @@ enum { IDE_DFLAG_WCACHE = (1 << 23), /* used for ignoring ATA_DF */ IDE_DFLAG_NOWERR = (1 << 24), + /* retrying in PIO */ + IDE_DFLAG_DMA_PIO_RETRY = (1 << 25), }; struct ide_drive_s { @@ -535,7 +531,6 @@ struct ide_drive_s { select_t select; /* basic drive/head select reg value */ u8 retry_pio; /* retrying dma capable host in pio */ - u8 state; /* retry state */ u8 waiting_for_dma; /* dma currently in progress */ u8 quirk_list; /* considered quirky, set for a specific host */ -- GitLab From 0ae4b3199ab1b6d511c6e0948e92049c272a346a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:37 +0200 Subject: [PATCH 4427/6244] ide: remove superfluous ->media field from ide_driver_t Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 1 - drivers/ide/ide-disk.c | 1 - drivers/ide/ide-floppy.c | 1 - drivers/ide/ide-tape.c | 1 - drivers/scsi/ide-scsi.c | 1 - include/linux/ide.h | 1 - 6 files changed, 6 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index ea7cd4e0b157..84bc2413312a 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1966,7 +1966,6 @@ static ide_driver_t ide_cdrom_driver = { .probe = ide_cd_probe, .remove = ide_cd_remove, .version = IDECD_VERSION, - .media = ide_cdrom, .do_request = ide_cd_do_request, .end_request = ide_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 7ee2c9d2e5c2..c35de54dfc22 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -938,7 +938,6 @@ static ide_driver_t idedisk_driver = { .resume = ide_disk_resume, .shutdown = ide_device_shutdown, .version = IDEDISK_VERSION, - .media = ide_disk, .do_request = ide_do_rw_disk, .end_request = ide_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index cdfadb01d07f..8c2b00941bd8 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -673,7 +673,6 @@ static ide_driver_t idefloppy_driver = { .probe = ide_floppy_probe, .remove = ide_floppy_remove, .version = IDEFLOPPY_VERSION, - .media = ide_floppy, .do_request = idefloppy_do_request, .end_request = idefloppy_end_request, .error = __ide_error, diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 103f9f161716..27665e3a41cb 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2318,7 +2318,6 @@ static ide_driver_t idetape_driver = { .probe = ide_tape_probe, .remove = ide_tape_remove, .version = IDETAPE_VERSION, - .media = ide_tape, .do_request = idetape_do_request, .end_request = idetape_end_request, .error = __ide_error, diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 67e9ed95f669..c2995972052c 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -437,7 +437,6 @@ static ide_driver_t idescsi_driver = { .probe = ide_scsi_probe, .remove = ide_scsi_remove, .version = IDESCSI_VERSION, - .media = ide_scsi, .do_request = idescsi_do_request, .end_request = idescsi_end_request, .error = idescsi_atapi_error, diff --git a/include/linux/ide.h b/include/linux/ide.h index 230bd9dd851d..7fd1ec135510 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1029,7 +1029,6 @@ enum { */ struct ide_driver_s { const char *version; - u8 media; ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); int (*end_request)(ide_drive_t *, int, int); ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); -- GitLab From e4634d4ef04fe6d7b114b612e5b71a84187ce76a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:37 +0200 Subject: [PATCH 4428/6244] ide: remove superfluous ->dma field from ide_hwif_t Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 2 -- drivers/ide/pci/scc_pata.c | 2 -- include/linux/ide.h | 2 -- 3 files changed, 6 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 2dacd802c72c..1185f5a4c154 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -525,7 +525,6 @@ void ide_dma_start(ide_drive_t *drive) outb(dma_cmd | 1, hwif->dma_base + ATA_DMA_CMD); } - hwif->dma = 1; wmb(); } @@ -564,7 +563,6 @@ int __ide_dma_end (ide_drive_t *drive) /* purge DMA mappings */ ide_destroy_dmatable(drive); /* verify good DMA status */ - hwif->dma = 0; wmb(); return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; } diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index e92a874b31df..9105a39398e2 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -353,7 +353,6 @@ static void scc_dma_start(ide_drive_t *drive) /* start DMA */ scc_ide_outb(dma_cmd | 1, hwif->dma_base); - hwif->dma = 1; wmb(); } @@ -374,7 +373,6 @@ static int __scc_dma_end(ide_drive_t *drive) /* purge DMA mappings */ ide_destroy_dmatable(drive); /* verify good DMA status */ - hwif->dma = 0; wmb(); return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; } diff --git a/include/linux/ide.h b/include/linux/ide.h index 7fd1ec135510..fdec0108dba1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -756,8 +756,6 @@ typedef struct hwif_s { void *hwif_data; /* extra hwif data */ - unsigned dma; - #ifdef CONFIG_BLK_DEV_IDEACPI struct ide_acpi_hwif_link *acpidata; #endif -- GitLab From c67c216d810a05fffdbdbdf1b81048f0d4759287 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:38 +0200 Subject: [PATCH 4429/6244] ide: remove superfluous ->waiting_for_dma checks Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 4 +--- drivers/ide/mips/au1xxx-ide.c | 6 +----- drivers/ide/pci/hpt366.c | 3 --- drivers/ide/pci/scc_pata.c | 3 --- drivers/ide/ppc/pmac.c | 3 --- 5 files changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 1185f5a4c154..82fa6107434b 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -578,9 +578,7 @@ int ide_dma_test_irq(ide_drive_t *drive) /* return 1 if INTR asserted */ if ((dma_stat & 4) == 4) return 1; - if (!drive->waiting_for_dma) - printk(KERN_WARNING "%s: (%s) called while not waiting\n", - drive->name, __func__); + return 0; } EXPORT_SYMBOL_GPL(ide_dma_test_irq); diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 11b7f61aae40..1c95a0ed7504 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -322,11 +322,7 @@ static int auide_dma_setup(ide_drive_t *drive) } static int auide_dma_test_irq(ide_drive_t *drive) -{ - if (drive->waiting_for_dma == 0) - printk(KERN_WARNING "%s: ide_dma_test_irq \ - called while not waiting\n", drive->name); - +{ /* If dbdma didn't execute the STOP command yet, the * active bit is still set */ diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index a194022b6a61..5d47916dab99 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -863,9 +863,6 @@ static int hpt374_dma_test_irq(ide_drive_t *drive) if (dma_stat & 4) return 1; - if (!drive->waiting_for_dma) - printk(KERN_WARNING "%s: (%s) called while not waiting\n", - drive->name, __func__); return 0; } diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 9105a39398e2..62fa31409a33 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -509,9 +509,6 @@ static int scc_dma_test_irq(ide_drive_t *drive) if (int_stat & INTSTS_IOIRQS) return 1; - if (!drive->waiting_for_dma) - printk(KERN_WARNING "%s: (%s) called while not waiting\n", - drive->name, __func__); return 0; } diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 0a6d40cebe47..2de22b6fe3bd 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1672,9 +1672,6 @@ pmac_ide_dma_test_irq (ide_drive_t *drive) status = readl(&dma->status); if (!(status & ACTIVE)) return 1; - if (!drive->waiting_for_dma) - printk(KERN_WARNING "ide%d, ide_dma_test_irq \ - called while not waiting\n", HWIF(drive)->index); /* If dbdma didn't execute the STOP command yet, the * active bit is still set. We consider that we aren't -- GitLab From d1d76714e2f0c520b6c2a84ab5b050d0b3244949 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:38 +0200 Subject: [PATCH 4430/6244] ide: fix HDIO_DRIVE_TASK[FILE] ioctls for CHS commands on LBA devices Add IDE_DFLAG_LBA device flag and use it instead of ->select.b.lba. Since ->tf_load uses ->select.all for ATA Device/Head register this fixes HDIO_DRIVE_TASK[FILE] ioctls for CHS commands on LBA devices. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 33 ++++++++++++++++++++------------- drivers/ide/ide-io.c | 4 ++-- include/linux/ide.h | 1 + 3 files changed, 23 insertions(+), 15 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index c35de54dfc22..6eb9fea32a56 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -162,7 +162,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, memset(&task, 0, sizeof(task)); task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - if (drive->select.b.lba) { + if (drive->dev_flags & IDE_DFLAG_LBA) { if (lba48) { pr_debug("%s: LBA=0x%012llx\n", drive->name, (unsigned long long)block); @@ -187,6 +187,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, tf->lbah = block >>= 8; tf->device = (block >> 8) & 0xf; } + + tf->device |= ATA_LBA; } else { unsigned int sect, head, cyl, track; @@ -384,28 +386,32 @@ static void idedisk_check_hpa(ide_drive_t *drive) static void init_idedisk_capacity(ide_drive_t *drive) { u16 *id = drive->id; - /* - * If this drive supports the Host Protected Area feature set, - * then we may need to change our opinion about the drive's capacity. - */ - int hpa = ata_id_hpa_enabled(id); + int lba; if (ata_id_lba48_enabled(id)) { /* drive speaks 48-bit LBA */ - drive->select.b.lba = 1; + lba = 1; drive->capacity64 = ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); - if (hpa) - idedisk_check_hpa(drive); } else if (ata_id_has_lba(id) && ata_id_is_lba_capacity_ok(id)) { /* drive speaks 28-bit LBA */ - drive->select.b.lba = 1; + lba = 1; drive->capacity64 = ata_id_u32(id, ATA_ID_LBA_CAPACITY); - if (hpa) - idedisk_check_hpa(drive); } else { /* drive speaks boring old 28-bit CHS */ + lba = 0; drive->capacity64 = drive->cyl * drive->head * drive->sect; } + + if (lba) { + drive->dev_flags |= IDE_DFLAG_LBA; + + /* + * If this device supports the Host Protected Area feature set, + * then we may need to change our opinion about its capacity. + */ + if (ata_id_hpa_enabled(id)) + idedisk_check_hpa(drive); + } } static sector_t idedisk_capacity(ide_drive_t *drive) @@ -1110,7 +1116,8 @@ static int ide_disk_probe(ide_drive_t *drive) drive->driver_data = idkp; idedisk_setup(drive); - if ((!drive->head || drive->head > 16) && !drive->select.b.lba) { + if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 && + (drive->head == 0 || drive->head > 16)) { printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n", drive->name, drive->head); drive->dev_flags &= ~IDE_DFLAG_ATTACH; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 11b602bb5741..623f6c246cf5 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -383,7 +383,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8 } else if (stat & ATA_ERR) { /* err has different meaning on cdrom and tape */ if (err == ATA_ABORTED) { - if (drive->select.b.lba && + if ((drive->dev_flags & IDE_DFLAG_LBA) && /* some newer drives don't support ATA_CMD_INIT_DEV_PARAMS */ hwif->tp_ops->read_status(hwif) == ATA_CMD_INIT_DEV_PARAMS) return ide_stopped; @@ -513,7 +513,7 @@ static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) tf->lbal = drive->sect; tf->lbam = drive->cyl; tf->lbah = drive->cyl >> 8; - tf->device = ((drive->head - 1) | drive->select.all) & ~ATA_LBA; + tf->device = (drive->head - 1) | drive->select.all; tf->command = ATA_CMD_INIT_DEV_PARAMS; } diff --git a/include/linux/ide.h b/include/linux/ide.h index fdec0108dba1..cf7ec3a9d173 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -502,6 +502,7 @@ enum { IDE_DFLAG_NOWERR = (1 << 24), /* retrying in PIO */ IDE_DFLAG_DMA_PIO_RETRY = (1 << 25), + IDE_DFLAG_LBA = (1 << 26), }; struct ide_drive_s { -- GitLab From 0d346ba0730d84f04022f9f984d3f606f69cef37 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:38 +0200 Subject: [PATCH 4431/6244] ide: sanitize ide*_pm_* enums * Move ide*_pm_* enums from ide-io.c to . * idedisk_pm_* -> ide_pm_* * ide_pm_state_* -> ide_pm_* * No need to set ide_pm_* enums to the fixed values. * Uppercase ide_pm_* enums. * Fix/update comments. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 62 ++++++++++++++++---------------------------- drivers/ide/ide.c | 4 +-- include/linux/ide.h | 34 ++++++++++++------------ 3 files changed, 40 insertions(+), 60 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 623f6c246cf5..f8d8642903da 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -132,21 +132,6 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) } EXPORT_SYMBOL(ide_end_request); -/* - * Power Management state machine. This one is rather trivial for now, - * we should probably add more, like switching back to PIO on suspend - * to help some BIOSes, re-do the door locking on resume, etc... - */ - -enum { - ide_pm_flush_cache = ide_pm_state_start_suspend, - idedisk_pm_standby, - - idedisk_pm_restore_pio = ide_pm_state_start_resume, - idedisk_pm_idle, - ide_pm_restore_dma, -}; - static void ide_complete_power_step(ide_drive_t *drive, struct request *rq, u8 stat, u8 error) { struct request_pm_state *pm = rq->data; @@ -155,20 +140,20 @@ static void ide_complete_power_step(ide_drive_t *drive, struct request *rq, u8 s return; switch (pm->pm_step) { - case ide_pm_flush_cache: /* Suspend step 1 (flush cache) complete */ + case IDE_PM_FLUSH_CACHE: /* Suspend step 1 (flush cache) */ if (pm->pm_state == PM_EVENT_FREEZE) - pm->pm_step = ide_pm_state_completed; + pm->pm_step = IDE_PM_COMPLETED; else - pm->pm_step = idedisk_pm_standby; + pm->pm_step = IDE_PM_STANDBY; break; - case idedisk_pm_standby: /* Suspend step 2 (standby) complete */ - pm->pm_step = ide_pm_state_completed; + case IDE_PM_STANDBY: /* Suspend step 2 (standby) */ + pm->pm_step = IDE_PM_COMPLETED; break; - case idedisk_pm_restore_pio: /* Resume step 1 complete */ - pm->pm_step = idedisk_pm_idle; + case IDE_PM_RESTORE_PIO: /* Resume step 1 (restore PIO) */ + pm->pm_step = IDE_PM_IDLE; break; - case idedisk_pm_idle: /* Resume step 2 (idle) complete */ - pm->pm_step = ide_pm_restore_dma; + case IDE_PM_IDLE: /* Resume step 2 (idle)*/ + pm->pm_step = IDE_PM_RESTORE_DMA; break; } } @@ -181,7 +166,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * memset(args, 0, sizeof(*args)); switch (pm->pm_step) { - case ide_pm_flush_cache: /* Suspend step 1 (flush cache) */ + case IDE_PM_FLUSH_CACHE: /* Suspend step 1 (flush cache) */ if (drive->media != ide_disk) break; /* Not supported? Switch to next step now. */ @@ -195,27 +180,23 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * else args->tf.command = ATA_CMD_FLUSH; goto out_do_tf; - - case idedisk_pm_standby: /* Suspend step 2 (standby) */ + case IDE_PM_STANDBY: /* Suspend step 2 (standby) */ args->tf.command = ATA_CMD_STANDBYNOW1; goto out_do_tf; - - case idedisk_pm_restore_pio: /* Resume step 1 (restore PIO) */ + case IDE_PM_RESTORE_PIO: /* Resume step 1 (restore PIO) */ ide_set_max_pio(drive); /* - * skip idedisk_pm_idle for ATAPI devices + * skip IDE_PM_IDLE for ATAPI devices */ if (drive->media != ide_disk) - pm->pm_step = ide_pm_restore_dma; + pm->pm_step = IDE_PM_RESTORE_DMA; else ide_complete_power_step(drive, rq, 0, 0); return ide_stopped; - - case idedisk_pm_idle: /* Resume step 2 (idle) */ + case IDE_PM_IDLE: /* Resume step 2 (idle) */ args->tf.command = ATA_CMD_IDLEIMMEDIATE; goto out_do_tf; - - case ide_pm_restore_dma: /* Resume step 3 (restore DMA) */ + case IDE_PM_RESTORE_DMA: /* Resume step 3 (restore DMA) */ /* * Right now, all we do is call ide_set_dma(drive), * we could be smarter and check for current xfer_speed @@ -229,7 +210,8 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * ide_set_dma(drive); break; } - pm->pm_step = ide_pm_state_completed; + + pm->pm_step = IDE_PM_COMPLETED; return ide_stopped; out_do_tf: @@ -345,7 +327,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) drive->name, rq->pm->pm_step, stat, err); #endif ide_complete_power_step(drive, rq, stat, err); - if (pm->pm_step == ide_pm_state_completed) + if (pm->pm_step == IDE_PM_COMPLETED) ide_complete_pm_request(drive, rq); return; } @@ -778,11 +760,11 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq) struct request_pm_state *pm = rq->data; if (blk_pm_suspend_request(rq) && - pm->pm_step == ide_pm_state_start_suspend) + pm->pm_step == IDE_PM_START_SUSPEND) /* Mark drive blocked when starting the suspend sequence. */ drive->dev_flags |= IDE_DFLAG_BLOCKED; else if (blk_pm_resume_request(rq) && - pm->pm_step == ide_pm_state_start_resume) { + pm->pm_step == IDE_PM_START_RESUME) { /* * The first thing we do on wakeup is to wait for BSY bit to * go away (with a looong timeout) as a drive on this hwif may @@ -862,7 +844,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) #endif startstop = ide_start_power_step(drive, rq); if (startstop == ide_stopped && - pm->pm_step == ide_pm_state_completed) + pm->pm_step == IDE_PM_COMPLETED) ide_complete_pm_request(drive, rq); return startstop; } else if (!rq->rq_disk && blk_special_request(rq)) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 78776bbb537e..40b5a4614340 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -388,7 +388,7 @@ static int generic_ide_suspend(struct device *dev, pm_message_t mesg) rq->cmd_type = REQ_TYPE_PM_SUSPEND; rq->special = &args; rq->data = &rqpm; - rqpm.pm_step = ide_pm_state_start_suspend; + rqpm.pm_step = IDE_PM_START_SUSPEND; if (mesg.event == PM_EVENT_PRETHAW) mesg.event = PM_EVENT_FREEZE; rqpm.pm_state = mesg.event; @@ -427,7 +427,7 @@ static int generic_ide_resume(struct device *dev) rq->cmd_flags |= REQ_PREEMPT; rq->special = &args; rq->data = &rqpm; - rqpm.pm_step = ide_pm_state_start_resume; + rqpm.pm_step = IDE_PM_START_RESUME; rqpm.pm_state = PM_EVENT_ON; err = blk_execute_rq(drive->queue, NULL, rq, 1); diff --git a/include/linux/ide.h b/include/linux/ide.h index cf7ec3a9d173..02984f1f041a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -988,36 +988,34 @@ enum { } /* - * Power Management step value (rq->pm->pm_step). + * Power Management state machine (rq->pm->pm_step). * - * The step value starts at 0 (ide_pm_state_start_suspend) for a - * suspend operation or 1000 (ide_pm_state_start_resume) for a - * resume operation. - * - * For each step, the core calls the subdriver start_power_step() first. + * For each step, the core calls ide_start_power_step() first. * This can return: * - ide_stopped : In this case, the core calls us back again unless * step have been set to ide_power_state_completed. * - ide_started : In this case, the channel is left busy until an * async event (interrupt) occurs. - * Typically, start_power_step() will issue a taskfile request with + * Typically, ide_start_power_step() will issue a taskfile request with * do_rw_taskfile(). * - * Upon reception of the interrupt, the core will call complete_power_step() + * Upon reception of the interrupt, the core will call ide_complete_power_step() * with the error code if any. This routine should update the step value * and return. It should not start a new request. The core will call - * start_power_step for the new step value, unless step have been set to - * ide_power_state_completed. - * - * Subdrivers are expected to define their own additional power - * steps from 1..999 for suspend and from 1001..1999 for resume, - * other values are reserved for future use. + * ide_start_power_step() for the new step value, unless step have been + * set to IDE_PM_COMPLETED. */ - enum { - ide_pm_state_completed = -1, - ide_pm_state_start_suspend = 0, - ide_pm_state_start_resume = 1000, + IDE_PM_START_SUSPEND, + IDE_PM_FLUSH_CACHE = IDE_PM_START_SUSPEND, + IDE_PM_STANDBY, + + IDE_PM_START_RESUME, + IDE_PM_RESTORE_PIO = IDE_PM_START_RESUME, + IDE_PM_IDLE, + IDE_PM_RESTORE_DMA, + + IDE_PM_COMPLETED, }; /* -- GitLab From 00bb2c16e84845a381162df03eec79129b30271c Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:39 +0200 Subject: [PATCH 4432/6244] cy82c693: remove dead CY82C693_SETDMA_CLOCK code Remove dead CY82C693_SETDMA_CLOCK code and now not needed init_chipset_cy82c693(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/cy82c693.c | 60 -------------------------------------- 1 file changed, 60 deletions(-) diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index 69820e9224d1..1e3d60a87008 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -50,18 +50,12 @@ #define DRV_NAME "cy82c693" -/* the current version */ -#define CY82_VERSION "CY82C693U driver v0.34 99-13-12 Andreas S. Krebs (akrebs@altavista.net)" - /* * The following are used to debug the driver. */ #define CY82C693_DEBUG_LOGS 0 #define CY82C693_DEBUG_INFO 0 -/* define CY82C693_SETDMA_CLOCK to set DMA Controller Clock Speed to ATCLK */ -#undef CY82C693_SETDMA_CLOCK - /* * NOTE: the value for busmaster timeout is tricky and I got it by * trial and error! By using a to low value will cause DMA timeouts @@ -89,7 +83,6 @@ #define CY82_INDEX_PORT 0x22 #define CY82_DATA_PORT 0x23 -#define CY82_INDEX_CTRLREG1 0x01 #define CY82_INDEX_CHANNEL0 0x30 #define CY82_INDEX_CHANNEL1 0x31 #define CY82_INDEX_TIMEOUT 0x32 @@ -329,58 +322,6 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio) #endif /* CY82C693_DEBUG_INFO */ } -/* - * this function is called during init and is used to setup the cy82c693 chip - */ -static unsigned int init_chipset_cy82c693(struct pci_dev *dev) -{ - if (PCI_FUNC(dev->devfn) != 1) - return 0; - -#ifdef CY82C693_SETDMA_CLOCK - u8 data = 0; -#endif /* CY82C693_SETDMA_CLOCK */ - - /* write info about this verion of the driver */ - printk(KERN_INFO CY82_VERSION "\n"); - -#ifdef CY82C693_SETDMA_CLOCK - /* okay let's set the DMA clock speed */ - - outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT); - data = inb(CY82_DATA_PORT); - -#if CY82C693_DEBUG_INFO - printk(KERN_INFO DRV_NAME ": Peripheral Configuration Register: 0x%X\n", - data); -#endif /* CY82C693_DEBUG_INFO */ - - /* - * for some reason sometimes the DMA controller - * speed is set to ATCLK/2 ???? - we fix this here - * - * note: i don't know what causes this strange behaviour, - * but even changing the dma speed doesn't solve it :-( - * the ide performance is still only half the normal speed - * - * if anybody knows what goes wrong with my machine, please - * let me know - ASK - */ - - data |= 0x03; - - outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT); - outb(data, CY82_DATA_PORT); - -#if CY82C693_DEBUG_INFO - printk(KERN_INFO ": New Peripheral Configuration Register: 0x%X\n", - data); -#endif /* CY82C693_DEBUG_INFO */ - -#endif /* CY82C693_SETDMA_CLOCK */ - return 0; -} - static void __devinit init_iops_cy82c693(ide_hwif_t *hwif) { static ide_hwif_t *primary; @@ -401,7 +342,6 @@ static const struct ide_port_ops cy82c693_port_ops = { static const struct ide_port_info cy82c693_chipset __devinitdata = { .name = DRV_NAME, - .init_chipset = init_chipset_cy82c693, .init_iops = init_iops_cy82c693, .port_ops = &cy82c693_port_ops, .chipset = ide_cy82c693, -- GitLab From 8595259ccb6a13b9aab31832ce874d157064d256 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:39 +0200 Subject: [PATCH 4433/6244] cy82c693: remove no longer needed CY82C693_DEBUG_LOGS code Having CY82C693_DEBUG_INFO is enough nowadays. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/cy82c693.c | 51 -------------------------------------- 1 file changed, 51 deletions(-) diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index 1e3d60a87008..5241ef74f8d9 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -53,7 +53,6 @@ /* * The following are used to debug the driver. */ -#define CY82C693_DEBUG_LOGS 0 #define CY82C693_DEBUG_INFO 0 /* @@ -172,17 +171,6 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode) index = hwif->channel ? CY82_INDEX_CHANNEL1 : CY82_INDEX_CHANNEL0; -#if CY82C693_DEBUG_LOGS - /* for debug let's show the previous values */ - - outb(index, CY82_INDEX_PORT); - data = inb(CY82_DATA_PORT); - - printk(KERN_INFO "%s (ch=%d, dev=%d): DMA mode is %d (single=%d)\n", - drive->name, HWIF(drive)->channel, drive->select.b.unit, - (data&0x3), ((data>>2)&1)); -#endif /* CY82C693_DEBUG_LOGS */ - data = (mode & 3) | (single << 2); outb(index, CY82_INDEX_PORT); @@ -232,45 +220,6 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio) } } -#if CY82C693_DEBUG_LOGS - /* for debug let's show the register values */ - - if (drive->select.b.unit == 0) { - /* - * get master drive registers - * address setup control register - * is 32 bit !!! - */ - pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl); - addrCtrl &= 0x0F; - - /* now let's get the remaining registers */ - pci_read_config_byte(dev, CY82_IDE_MASTER_IOR, &pclk.time_16r); - pci_read_config_byte(dev, CY82_IDE_MASTER_IOW, &pclk.time_16w); - pci_read_config_byte(dev, CY82_IDE_MASTER_8BIT, &pclk.time_8); - } else { - /* - * set slave drive registers - * address setup control register - * is 32 bit !!! - */ - pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl); - - addrCtrl &= 0xF0; - addrCtrl >>= 4; - - /* now let's get the remaining registers */ - pci_read_config_byte(dev, CY82_IDE_SLAVE_IOR, &pclk.time_16r); - pci_read_config_byte(dev, CY82_IDE_SLAVE_IOW, &pclk.time_16w); - pci_read_config_byte(dev, CY82_IDE_SLAVE_8BIT, &pclk.time_8); - } - - printk(KERN_INFO "%s (ch=%d, dev=%d): PIO timing is " - "(addr=0x%X, ior=0x%X, iow=0x%X, 8bit=0x%X)\n", - drive->name, hwif->channel, drive->select.b.unit, - addrCtrl, pclk.time_16r, pclk.time_16w, pclk.time_8); -#endif /* CY82C693_DEBUG_LOGS */ - /* let's calc the values for this PIO mode */ compute_clocks(pio, &pclk); -- GitLab From 123995b97136cb41fa282f0ed2385f2c8066df96 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:40 +0200 Subject: [PATCH 4434/6244] ide: use 'drive->dn & 1' instead of drive->select.b.unit * Call ide_port_init_devices() in ide_host_register() also if 'struct ide_port_info *d' is not available. * Init drive->dn in ide_port_init_devices() instead of ide_probe_port() so it is valid also in ->init_dev. * Pass device number to ide_dev_apply_params(). * Use 'drive->dn & 1' instead of drive->select.b.unit. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 2 +- drivers/ide/ide-probe.c | 26 +++++++++++++------------ drivers/ide/ide.c | 6 +++--- drivers/ide/legacy/ali14xx.c | 2 +- drivers/ide/legacy/qd65xx.c | 2 +- drivers/ide/pci/aec62xx.c | 2 +- drivers/ide/pci/alim15x3.c | 7 +++---- drivers/ide/pci/cmd640.c | 4 ++-- drivers/ide/pci/cs5535.c | 2 +- drivers/ide/pci/cy82c693.c | 7 +++---- drivers/ide/pci/it821x.c | 36 ++++++++++++++++------------------- drivers/ide/pci/ns87415.c | 4 ++-- drivers/ide/pci/opti621.c | 2 +- drivers/ide/pci/sc1200.c | 3 +-- drivers/ide/pci/scc_pata.c | 2 +- drivers/ide/pci/serverworks.c | 2 +- drivers/ide/pci/siimage.c | 9 +++++---- drivers/ide/pci/triflex.c | 9 ++++----- drivers/ide/ppc/pmac.c | 11 +++++------ 19 files changed, 66 insertions(+), 72 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 82fa6107434b..d5934fc8f85f 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -370,7 +370,7 @@ static int dma_timer_expiry (ide_drive_t *drive) void ide_dma_host_set(ide_drive_t *drive, int on) { ide_hwif_t *hwif = HWIF(drive); - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); if (on) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 57c741876536..58a2caf17903 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -447,7 +447,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) msleep(50); if (ide_read_device(drive) != drive->select.all && present == 0) { - if (drive->select.b.unit != 0) { + if (drive->dn & 1) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); /* allow ATA_BUSY to assert & clear */ @@ -493,7 +493,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) /* not present or maybe ATAPI */ rc = 3; } - if (drive->select.b.unit != 0) { + if (drive->dn & 1) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); msleep(50); @@ -798,7 +798,7 @@ static int ide_probe_port(ide_hwif_t *hwif) */ for (unit = 0; unit < MAX_DRIVES; ++unit) { ide_drive_t *drive = &hwif->drives[unit]; - drive->dn = (hwif->channel ? 2 : 0) + unit; + (void) probe_for_drive(drive); if (drive->dev_flags & IDE_DFLAG_PRESENT) rc = 0; @@ -1357,6 +1357,8 @@ static void ide_port_init_devices(ide_hwif_t *hwif) for (i = 0; i < MAX_DRIVES; i++) { ide_drive_t *drive = &hwif->drives[i]; + drive->dn = i + hwif->channel * 2; + if (hwif->host_flags & IDE_HFLAG_IO_32BIT) drive->io_32bit = 1; if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS) @@ -1627,18 +1629,18 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, if (d == NULL) { mate = NULL; - continue; - } + } else { + if ((i & 1) && mate) { + hwif->mate = mate; + mate->mate = hwif; + } - if ((i & 1) && mate) { - hwif->mate = mate; - mate->mate = hwif; - } + mate = (i & 1) ? NULL : hwif; - mate = (i & 1) ? NULL : hwif; + ide_init_port(hwif, i & 1, d); + ide_port_cable_detect(hwif); + } - ide_init_port(hwif, i & 1, d); - ide_port_cable_detect(hwif); ide_port_init_devices(hwif); } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 40b5a4614340..7624b937398a 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -713,9 +713,9 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp) module_param_call(chs, ide_set_disk_chs, NULL, NULL, 0); MODULE_PARM_DESC(chs, "force device as a disk (using CHS)"); -static void ide_dev_apply_params(ide_drive_t *drive) +static void ide_dev_apply_params(ide_drive_t *drive, u8 unit) { - int i = drive->hwif->index * MAX_DRIVES + drive->select.b.unit; + int i = drive->hwif->index * MAX_DRIVES + unit; if (ide_nodma & (1 << i)) { printk(KERN_INFO "ide: disallowing DMA for %s\n", drive->name); @@ -791,7 +791,7 @@ void ide_port_apply_params(ide_hwif_t *hwif) } for (i = 0; i < MAX_DRIVES; i++) - ide_dev_apply_params(&hwif->drives[i]); + ide_dev_apply_params(&hwif->drives[i], i); } /* diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/legacy/ali14xx.c index 7276c96aaa2a..90da1f953ed0 100644 --- a/drivers/ide/legacy/ali14xx.c +++ b/drivers/ide/legacy/ali14xx.c @@ -131,7 +131,7 @@ static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio) drive->name, pio, time1, time2, param1, param2, param3, param4); /* stuff timing parameters into controller registers */ - driveNum = (HWIF(drive)->index << 1) + drive->select.b.unit; + driveNum = (drive->hwif->index << 1) + (drive->dn & 1); spin_lock_irqsave(&ali14xx_lock, flags); outb_p(regOn, basePort); outReg(param1, regTab[driveNum].reg1); diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/legacy/qd65xx.c index ec408b3a7100..bc27c7aba936 100644 --- a/drivers/ide/legacy/qd65xx.c +++ b/drivers/ide/legacy/qd65xx.c @@ -305,7 +305,7 @@ static void __init qd6580_init_dev(ide_drive_t *drive) } else t2 = t1 = hwif->channel ? QD6580_DEF_DATA2 : QD6580_DEF_DATA; - drive->drive_data = drive->select.b.unit ? t2 : t1; + drive->drive_data = (drive->dn & 1) ? t2 : t1; } static const struct ide_port_ops qd6500_port_ops = { diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index e7475ba559c7..c294b19f5552 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -115,7 +115,7 @@ static void aec6260_set_mode(ide_drive_t *drive, const u8 speed) struct pci_dev *dev = to_pci_dev(hwif->dev); struct ide_host *host = pci_get_drvdata(dev); struct chipset_bus_clock_list_entry *bus_clock = host->host_priv; - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 tmp1 = 0, tmp2 = 0; u8 ultra = 0, drive_conf = 0, ultra_conf = 0; unsigned long flags; diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 053c75263918..f1c57f72bbdb 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -77,8 +77,7 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) int bus_speed = ide_pci_clk ? ide_pci_clk : 33; int port = hwif->channel ? 0x5c : 0x58; int portFIFO = hwif->channel ? 0x55 : 0x54; - u8 cd_dma_fifo = 0; - int unit = drive->select.b.unit & 1; + u8 cd_dma_fifo = 0, unit = drive->dn & 1; if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) s_clc = 0; @@ -112,7 +111,7 @@ static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) } pci_write_config_byte(dev, port, s_clc); - pci_write_config_byte(dev, port+drive->select.b.unit+2, (a_clc << 4) | r_clc); + pci_write_config_byte(dev, port + unit + 2, (a_clc << 4) | r_clc); local_irq_restore(flags); } @@ -154,7 +153,7 @@ static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed) ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); u8 speed1 = speed; - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 tmpbyte = 0x00; int m5229_udma = (hwif->channel) ? 0x57 : 0x56; diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c index d3afdffcb07a..e4306647d00d 100644 --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -468,7 +468,7 @@ static void program_drive_counts(ide_drive_t *drive, unsigned int index) */ if (index > 1) { ide_hwif_t *hwif = drive->hwif; - ide_drive_t *peer = &hwif->drives[!drive->select.b.unit]; + ide_drive_t *peer = &hwif->drives[!(drive->dn & 1)]; unsigned int mate = index ^ 1; if (peer->dev_flags & IDE_DFLAG_PRESENT) { @@ -607,7 +607,7 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio) static void cmd640_init_dev(ide_drive_t *drive) { - unsigned int i = drive->hwif->channel * 2 + drive->select.b.unit; + unsigned int i = drive->hwif->channel * 2 + (drive->dn & 1); #ifdef CONFIG_BLK_DEV_CMD640_ENHANCED /* diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 1e5bc59ea2fb..fa6dca9f3287 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -76,7 +76,7 @@ static unsigned int cs5535_udma_timings[5] = static void cs5535_set_speed(ide_drive_t *drive, const u8 speed) { u32 reg = 0, dummy; - int unit = drive->select.b.unit; + u8 unit = drive->dn & 1; /* Set the PIO timings */ if (speed < XFER_SW_DMA_0) { diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index 5241ef74f8d9..e5f8fc0ed318 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -178,8 +178,7 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode) #if CY82C693_DEBUG_INFO printk(KERN_INFO "%s (ch=%d, dev=%d): set DMA mode to %d (single=%d)\n", - drive->name, HWIF(drive)->channel, drive->select.b.unit, - mode & 3, single); + drive->name, hwif->channel, drive->dn & 1, mode & 3, single); #endif /* CY82C693_DEBUG_INFO */ /* @@ -224,7 +223,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio) compute_clocks(pio, &pclk); /* now let's write the clocks registers */ - if (drive->select.b.unit == 0) { + if ((drive->dn & 1) == 0) { /* * set master drive * address setup control register @@ -266,7 +265,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio) #if CY82C693_DEBUG_INFO printk(KERN_INFO "%s (ch=%d, dev=%d): set PIO timing to " "(addr=0x%X, ior=0x%X, iow=0x%X, 8bit=0x%X)\n", - drive->name, hwif->channel, drive->select.b.unit, + drive->name, hwif->channel, drive->dn & 1, addrCtrl, pclk.time_16r, pclk.time_16w, pclk.time_8); #endif /* CY82C693_DEBUG_INFO */ } diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index b761015ee190..1aada445a9c8 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -138,8 +138,7 @@ static void it821x_program_udma(ide_drive_t *drive, u16 timing) struct pci_dev *dev = to_pci_dev(hwif->dev); struct it821x_dev *itdev = ide_get_hwifdata(hwif); int channel = hwif->channel; - int unit = drive->select.b.unit; - u8 conf; + u8 unit = drive->dn & 1, conf; /* Program UDMA timing bits */ if(itdev->clock_mode == ATA_66) @@ -168,13 +167,11 @@ static void it821x_clock_strategy(ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); struct it821x_dev *itdev = ide_get_hwifdata(hwif); + ide_drive_t *pair; + int clock, altclock, sel = 0; + u8 unit = drive->dn & 1, v; - u8 unit = drive->select.b.unit; - ide_drive_t *pair = &hwif->drives[1-unit]; - - int clock, altclock; - u8 v; - int sel = 0; + pair = &hwif->drives[1 - unit]; if(itdev->want[0][0] > itdev->want[1][0]) { clock = itdev->want[0][1]; @@ -240,16 +237,17 @@ static void it821x_clock_strategy(ide_drive_t *drive) static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio) { - ide_hwif_t *hwif = drive->hwif; + ide_hwif_t *hwif = drive->hwif; struct it821x_dev *itdev = ide_get_hwifdata(hwif); - int unit = drive->select.b.unit; - ide_drive_t *pair = &hwif->drives[1 - unit]; - u8 set_pio = pio; + ide_drive_t *pair; + u8 unit = drive->dn & 1, set_pio = pio; /* Spec says 89 ref driver uses 88 */ static u16 pio_timings[]= { 0xAA88, 0xA382, 0xA181, 0x3332, 0x3121 }; static u8 pio_want[] = { ATA_66, ATA_66, ATA_66, ATA_66, ATA_ANY }; + pair = &hwif->drives[1 - unit]; + /* * Compute the best PIO mode we can for a given device. We must * pick a speed that does not cause problems with the other device @@ -286,9 +284,7 @@ static void it821x_tune_mwdma (ide_drive_t *drive, byte mode_wanted) ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); struct it821x_dev *itdev = (void *)ide_get_hwifdata(hwif); - int unit = drive->select.b.unit; - int channel = hwif->channel; - u8 conf; + u8 unit = drive->dn & 1, channel = hwif->channel, conf; static u16 dma[] = { 0x8866, 0x3222, 0x3121 }; static u8 mwdma_want[] = { ATA_ANY, ATA_66, ATA_ANY }; @@ -325,9 +321,7 @@ static void it821x_tune_udma (ide_drive_t *drive, byte mode_wanted) ide_hwif_t *hwif = drive->hwif; struct pci_dev *dev = to_pci_dev(hwif->dev); struct it821x_dev *itdev = ide_get_hwifdata(hwif); - int unit = drive->select.b.unit; - int channel = hwif->channel; - u8 conf; + u8 unit = drive->dn & 1, channel = hwif->channel, conf; static u16 udma[] = { 0x4433, 0x4231, 0x3121, 0x2121, 0x1111, 0x2211, 0x1111 }; static u8 udma_want[] = { ATA_ANY, ATA_50, ATA_ANY, ATA_66, ATA_66, ATA_50, ATA_66 }; @@ -369,7 +363,8 @@ static void it821x_dma_start(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; struct it821x_dev *itdev = ide_get_hwifdata(hwif); - int unit = drive->select.b.unit; + u8 unit = drive->dn & 1; + if(itdev->mwdma[unit] != MWDMA_OFF) it821x_program(drive, itdev->mwdma[unit]); else if(itdev->udma[unit] != UDMA_OFF && itdev->timing10) @@ -389,9 +384,10 @@ static void it821x_dma_start(ide_drive_t *drive) static int it821x_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - int unit = drive->select.b.unit; struct it821x_dev *itdev = ide_get_hwifdata(hwif); int ret = __ide_dma_end(drive); + u8 unit = drive->dn & 1; + if(itdev->mwdma[unit] != MWDMA_OFF) it821x_program(drive, itdev->pio[unit]); return ret; diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 99e98e5e271c..61a143661ee0 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -160,8 +160,8 @@ static void ns87415_prepare_drive (ide_drive_t *drive, unsigned int use_dma) new |= bit; /* Select PIO or DMA, DMA may only be selected for one drive/channel. */ - bit = 1 << (20 + drive->select.b.unit + (hwif->channel << 1)); - other = 1 << (20 + (1 - drive->select.b.unit) + (hwif->channel << 1)); + bit = 1 << (20 + (drive->dn & 1) + (hwif->channel << 1)); + other = 1 << (20 + (1 - (drive->dn & 1)) + (hwif->channel << 1)); new = use_dma ? ((new & ~other) | bit) : (new & ~bit); if (new != *old) { diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index 3de11ddcf863..f0db38bd70e3 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -179,7 +179,7 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio) misc = addr_timings[clk][addr_pio]; /* select Index-0/1 for Register-A/B */ - write_reg(drive->select.b.unit, MISC_REG); + write_reg(drive->dn & 1, MISC_REG); /* set read cycle timings */ write_reg(tim, READ_REG); /* set write cycle timings */ diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 50405ed6f0cb..79eeeadad655 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -126,7 +126,6 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - int unit = drive->select.b.unit; unsigned int reg, timings; unsigned short pci_clock; unsigned int basereg = hwif->channel ? 0x50 : 0x40; @@ -155,7 +154,7 @@ static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode) else timings = mwdma_timing[pci_clock][mode - XFER_MW_DMA_0]; - if (unit == 0) { /* are we configuring drive0? */ + if ((drive->dn & 1) == 0) { pci_read_config_dword(dev, basereg + 4, ®); timings |= reg & 0x80000000; /* preserve PIO format bit */ pci_write_config_dword(dev, basereg + 4, timings); diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 62fa31409a33..0eced0ae2e86 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -291,7 +291,7 @@ static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed) static void scc_dma_host_set(ide_drive_t *drive, int on) { ide_hwif_t *hwif = drive->hwif; - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 dma_stat = scc_ide_inb(hwif->dma_base + 4); if (on) diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 3dff2aea317e..7fac80192f3b 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -153,7 +153,7 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed) ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 ultra_enable = 0, ultra_timing = 0, dma_timing = 0; diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 174a873b4c64..134868c71c34 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -116,13 +116,14 @@ static inline unsigned long siimage_seldev(ide_drive_t *drive, int r) { ide_hwif_t *hwif = HWIF(drive); unsigned long base = (unsigned long)hwif->hwif_data; + u8 unit = drive->dn & 1; base += 0xA0 + r; if (hwif->host_flags & IDE_HFLAG_MMIO) base += hwif->channel << 6; else base += hwif->channel << 4; - base |= drive->select.b.unit << drive->select.b.unit; + base |= unit << unit; return base; } @@ -255,7 +256,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio) u8 addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84) : (mmio ? 0xB4 : 0x80); u8 mode = 0; - u8 unit = drive->select.b.unit; + u8 unit = drive->dn & 1; /* trim *taskfile* PIO to the slowest of the master/slave */ if (pair) { @@ -301,9 +302,9 @@ static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed) ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - u16 ultra = 0, multi = 0; - u8 mode = 0, unit = drive->select.b.unit; unsigned long base = (unsigned long)hwif->hwif_data; + u16 ultra = 0, multi = 0; + u8 mode = 0, unit = drive->dn & 1; u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; u8 scsc = 0, addr_mask = hwif->channel ? (mmio ? 0xF4 : 0x84) : (mmio ? 0xB4 : 0x80); diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index be8715dcee05..42fb98f268d5 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -38,13 +38,12 @@ static void triflex_set_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = to_pci_dev(hwif->dev); - u8 channel_offset = hwif->channel ? 0x74 : 0x70; - u16 timing = 0; u32 triflex_timings = 0; - u8 unit = (drive->select.b.unit & 0x01); - + u16 timing = 0; + u8 channel_offset = hwif->channel ? 0x74 : 0x70, unit = drive->dn & 1; + pci_read_config_dword(dev, channel_offset, &triflex_timings); - + switch(speed) { case XFER_MW_DMA_2: timing = 0x0103; diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 2de22b6fe3bd..5b083700d882 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -433,7 +433,7 @@ pmac_ide_selectproc(ide_drive_t *drive) if (pmif == NULL) return; - if (drive->select.b.unit & 0x01) + if (drive->dn & 1) writel(pmif->timings[1], PMAC_IDE_REG(IDE_TIMING_CONFIG)); else writel(pmif->timings[0], PMAC_IDE_REG(IDE_TIMING_CONFIG)); @@ -455,7 +455,7 @@ pmac_ide_kauai_selectproc(ide_drive_t *drive) if (pmif == NULL) return; - if (drive->select.b.unit & 0x01) { + if (drive->dn & 1) { writel(pmif->timings[1], PMAC_IDE_REG(IDE_KAUAI_PIO_CONFIG)); writel(pmif->timings[3], PMAC_IDE_REG(IDE_KAUAI_ULTRA_CONFIG)); } else { @@ -528,7 +528,7 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) return; /* which drive is it ? */ - timings = &pmif->timings[drive->select.b.unit & 0x01]; + timings = &pmif->timings[drive->dn & 1]; t = *timings; cycle_time = ide_pio_cycle_time(drive, pio); @@ -805,9 +805,9 @@ static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - int unit = (drive->select.b.unit & 0x01); int ret = 0; u32 *timings, *timings2, tl[2]; + u8 unit = drive->dn & 1; timings = &pmif->timings[unit]; timings2 = &pmif->timings[unit+2]; @@ -1558,8 +1558,7 @@ pmac_ide_dma_setup(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct request *rq = HWGROUP(drive)->rq; - u8 unit = (drive->select.b.unit & 0x01); - u8 ata4; + u8 unit = drive->dn & 1, ata4; if (pmif == NULL) return 1; -- GitLab From 7f612f272ad8abe82411f368bfacf793b466e1b3 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:40 +0200 Subject: [PATCH 4435/6244] ide: remove [ata_]select_t * Use 'drive->dn & 1' in ide_init_disk(). * remove [ata_]select_t. While at it: * Use ATA_DEVICE_OBS define in ide_port_init_devices_data(). Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/h8300/ide-h8300.c | 2 +- drivers/ide/ide-io.c | 2 +- drivers/ide/ide-iops.c | 2 +- drivers/ide/ide-probe.c | 4 ++-- drivers/ide/ide.c | 2 +- drivers/ide/legacy/ide-4drives.c | 2 +- drivers/ide/pci/scc_pata.c | 2 +- include/linux/ide.h | 32 +------------------------------- 8 files changed, 9 insertions(+), 39 deletions(-) diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/h8300/ide-h8300.c index bde7a585f198..e2cdd2e9cdec 100644 --- a/drivers/ide/h8300/ide-h8300.c +++ b/drivers/ide/h8300/ide-h8300.c @@ -80,7 +80,7 @@ static void h8300_tf_load(ide_drive_t *drive, ide_task_t *task) outb(tf->lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) - outb((tf->device & HIHI) | drive->select.all, + outb((tf->device & HIHI) | drive->select, io_ports->device_addr); } diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index f8d8642903da..ecfb87c10097 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -495,7 +495,7 @@ static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) tf->lbal = drive->sect; tf->lbam = drive->cyl; tf->lbah = drive->cyl >> 8; - tf->device = (drive->head - 1) | drive->select.all; + tf->device = (drive->head - 1) | drive->select; tf->command = ATA_CMD_INIT_DEV_PARAMS; } diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index cec744cbbde0..925fd037cdde 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -181,7 +181,7 @@ void ide_tf_load(ide_drive_t *drive, ide_task_t *task) tf_outb(tf->lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) - tf_outb((tf->device & HIHI) | drive->select.all, + tf_outb((tf->device & HIHI) | drive->select, io_ports->device_addr); } EXPORT_SYMBOL_GPL(ide_tf_load); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 58a2caf17903..242cfd09e16b 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -446,7 +446,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd) SELECT_DRIVE(drive); msleep(50); - if (ide_read_device(drive) != drive->select.all && present == 0) { + if (ide_read_device(drive) != drive->select && present == 0) { if (drive->dn & 1) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); @@ -1211,7 +1211,7 @@ EXPORT_SYMBOL_GPL(ide_unregister_region); void ide_init_disk(struct gendisk *disk, ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - unsigned int unit = (drive->select.all >> 4) & 1; + unsigned int unit = drive->dn & 1; disk->major = hwif->major; disk->first_minor = unit << PARTN_BITS; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 7624b937398a..9d3482d907c9 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -114,7 +114,7 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) memset(drive, 0, sizeof(*drive)); drive->media = ide_disk; - drive->select.all = (unit<<4)|0xa0; + drive->select = (unit << 4) | ATA_DEVICE_OBS; drive->hwif = hwif; drive->ready_stat = ATA_DRDY; drive->bad_wstat = BAD_W_STAT; diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c index c76d55de6996..9e85b1ec9607 100644 --- a/drivers/ide/legacy/ide-4drives.c +++ b/drivers/ide/legacy/ide-4drives.c @@ -14,7 +14,7 @@ MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port"); static void ide_4drives_init_dev(ide_drive_t *drive) { if (drive->hwif->channel) - drive->select.all ^= 0x20; + drive->select ^= 0x20; } static const struct ide_port_ops ide_4drives_port_ops = { diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 0eced0ae2e86..c2e85fc21b5a 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -705,7 +705,7 @@ static void scc_tf_load(ide_drive_t *drive, ide_task_t *task) scc_ide_outb(tf->lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) - scc_ide_outb((tf->device & HIHI) | drive->select.all, + scc_ide_outb((tf->device & HIHI) | drive->select, io_ports->device_addr); } diff --git a/include/linux/ide.h b/include/linux/ide.h index 02984f1f041a..3e418b996ef5 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -278,36 +278,6 @@ typedef union { } b; } special_t; -/* - * ATA-IDE Select Register, aka Device-Head - * - * head : always zeros here - * unit : drive select number: 0/1 - * bit5 : always 1 - * lba : using LBA instead of CHS - * bit7 : always 1 - */ -typedef union { - unsigned all : 8; - struct { -#if defined(__LITTLE_ENDIAN_BITFIELD) - unsigned head : 4; - unsigned unit : 1; - unsigned bit5 : 1; - unsigned lba : 1; - unsigned bit7 : 1; -#elif defined(__BIG_ENDIAN_BITFIELD) - unsigned bit7 : 1; - unsigned lba : 1; - unsigned bit5 : 1; - unsigned unit : 1; - unsigned head : 4; -#else -#error "Please fix " -#endif - } b; -} select_t, ata_select_t; - /* * Status returned from various ide_ functions */ @@ -529,8 +499,8 @@ struct ide_drive_s { unsigned long timeout; /* max time to wait for irq */ special_t special; /* special action flags */ - select_t select; /* basic drive/head select reg value */ + u8 select; /* basic drive/head select reg value */ u8 retry_pio; /* retrying dma capable host in pio */ u8 waiting_for_dma; /* dma currently in progress */ -- GitLab From 6982daf71ca9a0b0c36043315e1968b3cb709b7c Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:40 +0200 Subject: [PATCH 4436/6244] ide: convert 'pio_mode' device setting to use DS_SYNC flag * Convert 'pio_mode' device setting to use DS_SYNC flag. * Remove unused special_t.b.{set_tune,serviced} and ide_drive_t.tune_req. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 68 ++++---------------------------------------- drivers/ide/ide.c | 52 ++++++++++++++++++++++++++------- include/linux/ide.h | 7 +---- 3 files changed, 48 insertions(+), 79 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index ecfb87c10097..ec709269c066 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -543,30 +543,6 @@ static ide_startstop_t ide_disk_special(ide_drive_t *drive) return ide_started; } -/* - * handle HDIO_SET_PIO_MODE ioctl abusers here, eventually it will go away - */ -static int set_pio_mode_abuse(ide_hwif_t *hwif, u8 req_pio) -{ - switch (req_pio) { - case 202: - case 201: - case 200: - case 102: - case 101: - case 100: - return (hwif->host_flags & IDE_HFLAG_ABUSE_DMA_MODES) ? 1 : 0; - case 9: - case 8: - return (hwif->host_flags & IDE_HFLAG_ABUSE_PREFETCH) ? 1 : 0; - case 7: - case 6: - return (hwif->host_flags & IDE_HFLAG_ABUSE_FAST_DEVSEL) ? 1 : 0; - default: - return 0; - } -} - /** * do_special - issue some special commands * @drive: drive the command is for @@ -584,46 +560,12 @@ static ide_startstop_t do_special (ide_drive_t *drive) #ifdef DEBUG printk("%s: do_special: 0x%02x\n", drive->name, s->all); #endif - if (s->b.set_tune) { - ide_hwif_t *hwif = drive->hwif; - const struct ide_port_ops *port_ops = hwif->port_ops; - u8 req_pio = drive->tune_req; - - s->b.set_tune = 0; - - if (set_pio_mode_abuse(drive->hwif, req_pio)) { - /* - * take ide_lock for IDE_DFLAG_[NO_]UNMASK/[NO_]IO_32BIT - */ - if (req_pio == 8 || req_pio == 9) { - unsigned long flags; - - spin_lock_irqsave(&ide_lock, flags); - port_ops->set_pio_mode(drive, req_pio); - spin_unlock_irqrestore(&ide_lock, flags); - } else - port_ops->set_pio_mode(drive, req_pio); - } else { - int keep_dma = - !!(drive->dev_flags & IDE_DFLAG_USING_DMA); - - ide_set_pio(drive, req_pio); - - if (hwif->host_flags & IDE_HFLAG_SET_PIO_MODE_KEEP_DMA) { - if (keep_dma) - ide_dma_on(drive); - } - } - - return ide_stopped; - } else { - if (drive->media == ide_disk) - return ide_disk_special(drive); + if (drive->media == ide_disk) + return ide_disk_special(drive); - s->all = 0; - drive->mult_req = 0; - return ide_stopped; - } + s->all = 0; + drive->mult_req = 0; + return ide_stopped; } void ide_map_sg(ide_drive_t *drive, struct request *rq) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 9d3482d907c9..73e1cc5839d3 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -314,9 +314,32 @@ out: #endif } +/* + * handle HDIO_SET_PIO_MODE ioctl abusers here, eventually it will go away + */ +static int set_pio_mode_abuse(ide_hwif_t *hwif, u8 req_pio) +{ + switch (req_pio) { + case 202: + case 201: + case 200: + case 102: + case 101: + case 100: + return (hwif->host_flags & IDE_HFLAG_ABUSE_DMA_MODES) ? 1 : 0; + case 9: + case 8: + return (hwif->host_flags & IDE_HFLAG_ABUSE_PREFETCH) ? 1 : 0; + case 7: + case 6: + return (hwif->host_flags & IDE_HFLAG_ABUSE_FAST_DEVSEL) ? 1 : 0; + default: + return 0; + } +} + static int set_pio_mode(ide_drive_t *drive, int arg) { - struct request *rq; ide_hwif_t *hwif = drive->hwif; const struct ide_port_ops *port_ops = hwif->port_ops; @@ -327,17 +350,26 @@ static int set_pio_mode(ide_drive_t *drive, int arg) (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)) return -ENOSYS; - if (drive->special.b.set_tune) - return -EBUSY; + if (set_pio_mode_abuse(drive->hwif, arg)) { + if (arg == 8 || arg == 9) { + unsigned long flags; - rq = blk_get_request(drive->queue, READ, __GFP_WAIT); - rq->cmd_type = REQ_TYPE_ATA_TASKFILE; + /* take lock for IDE_DFLAG_[NO_]UNMASK/[NO_]IO_32BIT */ + spin_lock_irqsave(&ide_lock, flags); + port_ops->set_pio_mode(drive, arg); + spin_unlock_irqrestore(&ide_lock, flags); + } else + port_ops->set_pio_mode(drive, arg); + } else { + int keep_dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); - drive->tune_req = (u8) arg; - drive->special.b.set_tune = 1; + ide_set_pio(drive, arg); - blk_execute_rq(drive->queue, NULL, rq, 0); - blk_put_request(rq); + if (hwif->host_flags & IDE_HFLAG_SET_PIO_MODE_KEEP_DMA) { + if (keep_dma) + ide_dma_on(drive); + } + } return 0; } @@ -367,7 +399,7 @@ ide_gen_devset_rw(io_32bit, io_32bit); ide_gen_devset_rw(keepsettings, ksettings); ide_gen_devset_rw(unmaskirq, unmaskirq); ide_gen_devset_rw(using_dma, using_dma); -__IDE_DEVSET(pio_mode, 0, NULL, set_pio_mode); +__IDE_DEVSET(pio_mode, DS_SYNC, NULL, set_pio_mode); static int generic_ide_suspend(struct device *dev, pm_message_t mesg) { diff --git a/include/linux/ide.h b/include/linux/ide.h index 3e418b996ef5..a5e1888b1dab 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -262,8 +262,6 @@ static inline int __ide_default_irq(unsigned long base) * set_geometry : respecify drive geometry * recalibrate : seek to cyl 0 * set_multmode : set multmode count - * set_tune : tune interface for drive - * serviced : service command * reserved : unused */ typedef union { @@ -272,9 +270,7 @@ typedef union { unsigned set_geometry : 1; unsigned recalibrate : 1; unsigned set_multmode : 1; - unsigned set_tune : 1; - unsigned serviced : 1; - unsigned reserved : 3; + unsigned reserved : 5; } b; } special_t; @@ -514,7 +510,6 @@ struct ide_drive_s { u8 ready_stat; /* min status value for drive ready */ u8 mult_count; /* current multiple sector setting */ u8 mult_req; /* requested multiple sector setting */ - u8 tune_req; /* requested drive tuning setting */ u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ u8 bad_wstat; /* used for ignoring ATA_DF */ u8 head; /* "real" number of heads */ -- GitLab From 0e3d84a500d4e1672332b4961b98c35f6168e6f1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:41 +0200 Subject: [PATCH 4437/6244] ide: factor out reset error reporting from reset_pollfunc() Factor out reset error reporting from reset_pollfunc() to ide_reset_report_error() helper. While at it: - fix KERN_* printk() levels - remove 'switch ()' Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 40 +++++++++++++++++++++------------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 925fd037cdde..91182ebed468 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -940,6 +940,25 @@ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive) return ide_stopped; } +static void ide_reset_report_error(ide_hwif_t *hwif, u8 err) +{ + static const char *err_master_vals[] = + { NULL, "passed", "formatter device error", + "sector buffer error", "ECC circuitry error", + "controlling MPU error" }; + + u8 err_master = err & 0x7f; + + printk(KERN_ERR "%s: reset: master: ", hwif->name); + if (err_master && err_master < 6) + printk(KERN_CONT "%s", err_master_vals[err_master]); + else + printk(KERN_CONT "error (0x%02x?)", err); + if (err & 0x80) + printk(KERN_CONT "; slave: failed"); + printk(KERN_CONT "\n"); +} + /* * reset_pollfunc() gets invoked to poll the interface for completion every 50ms * during an ide reset operation. If the drives have not yet responded, @@ -975,31 +994,14 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive) drive->failures++; err = -EIO; } else { - printk("%s: reset: ", hwif->name); tmp = ide_read_error(drive); if (tmp == 1) { - printk("success\n"); + printk(KERN_INFO "%s: reset: success\n", hwif->name); drive->failures = 0; } else { + ide_reset_report_error(hwif, tmp); drive->failures++; - printk("master: "); - switch (tmp & 0x7f) { - case 1: printk("passed"); - break; - case 2: printk("formatter device error"); - break; - case 3: printk("sector buffer error"); - break; - case 4: printk("ECC circuitry error"); - break; - case 5: printk("controlling MPU error"); - break; - default:printk("error (0x%02x?)", tmp); - } - if (tmp & 0x80) - printk("; slave: failed"); - printk("\n"); err = -EIO; } } -- GitLab From d6ff9f64e68d23feab44efa07cc6aee01f3ef32b Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:41 +0200 Subject: [PATCH 4438/6244] ide: merge all TASKFILE_NO_DATA data phase handlers into taskfile_no_intr() * Add 'struct task_s' to ide_hwif_t and init it to the current command in do_rw_taskfile(). * Merge all TASKFILE_NO_DATA data phase handlers into taskfile_no_intr(). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-taskfile.c | 105 +++++------------- include/linux/ide.h | 211 +++++++++++++++++++------------------ 2 files changed, 131 insertions(+), 185 deletions(-) diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 8da8d26db7ed..a4c2d91179b3 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -53,9 +53,6 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf) } static ide_startstop_t task_no_data_intr(ide_drive_t *); -static ide_startstop_t set_geometry_intr(ide_drive_t *); -static ide_startstop_t recal_intr(ide_drive_t *); -static ide_startstop_t set_multmode_intr(ide_drive_t *); static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *); static ide_startstop_t task_in_intr(ide_drive_t *); @@ -79,6 +76,8 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) if (task->tf_flags & IDE_TFLAG_FLAGGED) task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS; + memcpy(&hwif->task, task, sizeof(*task)); + if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) { ide_tf_dump(drive->name, tf); tp_ops->set_irq(hwif, 1); @@ -99,19 +98,6 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) case TASKFILE_NO_DATA: if (handler == NULL) handler = task_no_data_intr; - if (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) { - switch (tf->command) { - case ATA_CMD_INIT_DEV_PARAMS: - handler = set_geometry_intr; - break; - case ATA_CMD_RESTORE: - handler = recal_intr; - break; - case ATA_CMD_SET_MULTI: - handler = set_multmode_intr; - break; - } - } ide_execute_command(drive, tf->command, handler, WAIT_WORSTCASE, NULL); return ide_started; @@ -127,33 +113,15 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task) EXPORT_SYMBOL_GPL(do_rw_taskfile); /* - * set_multmode_intr() is invoked on completion of a ATA_CMD_SET_MULTI cmd. - */ -static ide_startstop_t set_multmode_intr(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 stat; - - local_irq_enable_in_hardirq(); - stat = hwif->tp_ops->read_status(hwif); - - if (OK_STAT(stat, ATA_DRDY, BAD_STAT)) - drive->mult_count = drive->mult_req; - else { - drive->mult_req = drive->mult_count = 0; - drive->special.b.recalibrate = 1; - (void) ide_dump_status(drive, "set_multmode", stat); - } - return ide_stopped; -} - -/* - * set_geometry_intr() is invoked on completion of a ATA_CMD_INIT_DEV_PARAMS cmd. + * Handler for commands without a data phase */ -static ide_startstop_t set_geometry_intr(ide_drive_t *drive) +static ide_startstop_t task_no_data_intr(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - int retries = 5; + ide_task_t *task = &hwif->task; + struct ide_taskfile *tf = &task->tf; + int custom = (task->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0; + int retries = (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) ? 5 : 1; u8 stat; local_irq_enable_in_hardirq(); @@ -165,50 +133,27 @@ static ide_startstop_t set_geometry_intr(ide_drive_t *drive) udelay(10); }; - if (OK_STAT(stat, ATA_DRDY, BAD_STAT)) - return ide_stopped; - - if (stat & (ATA_ERR | ATA_DRQ)) - return ide_error(drive, "set_geometry_intr", stat); - - ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL); - return ide_started; -} - -/* - * recal_intr() is invoked on completion of a ATA_CMD_RESTORE (recalibrate) cmd. - */ -static ide_startstop_t recal_intr(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 stat; - - local_irq_enable_in_hardirq(); - stat = hwif->tp_ops->read_status(hwif); - - if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) - return ide_error(drive, "recal_intr", stat); - return ide_stopped; -} - -/* - * Handler for commands without a data phase - */ -static ide_startstop_t task_no_data_intr(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - ide_task_t *args = hwif->hwgroup->rq->special; - u8 stat; - - local_irq_enable_in_hardirq(); - stat = hwif->tp_ops->read_status(hwif); - - if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) + if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) { + if (custom && tf->command == ATA_CMD_SET_MULTI) { + drive->mult_req = drive->mult_count = 0; + drive->special.b.recalibrate = 1; + (void)ide_dump_status(drive, __func__, stat); + return ide_stopped; + } else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) { + if ((stat & (ATA_ERR | ATA_DRQ)) == 0) { + ide_set_handler(drive, &task_no_data_intr, + WAIT_WORSTCASE, NULL); + return ide_started; + } + } return ide_error(drive, "task_no_data_intr", stat); /* calls ide_end_drive_cmd */ + } - if (args) + if (!custom) ide_end_drive_cmd(drive, stat, ide_read_error(drive)); + else if (tf->command == ATA_CMD_SET_MULTI) + drive->mult_count = drive->mult_req; return ide_stopped; } diff --git a/include/linux/ide.h b/include/linux/ide.h index a5e1888b1dab..14d489c2e5a9 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -282,6 +282,110 @@ typedef enum { ide_started, /* a drive operation was started, handler was set */ } ide_startstop_t; +enum { + IDE_TFLAG_LBA48 = (1 << 0), + IDE_TFLAG_FLAGGED = (1 << 2), + IDE_TFLAG_OUT_DATA = (1 << 3), + IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), + IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | + IDE_TFLAG_OUT_HOB_NSECT | + IDE_TFLAG_OUT_HOB_LBAL | + IDE_TFLAG_OUT_HOB_LBAM | + IDE_TFLAG_OUT_HOB_LBAH, + IDE_TFLAG_OUT_FEATURE = (1 << 9), + IDE_TFLAG_OUT_NSECT = (1 << 10), + IDE_TFLAG_OUT_LBAL = (1 << 11), + IDE_TFLAG_OUT_LBAM = (1 << 12), + IDE_TFLAG_OUT_LBAH = (1 << 13), + IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | + IDE_TFLAG_OUT_NSECT | + IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_OUT_LBAM | + IDE_TFLAG_OUT_LBAH, + IDE_TFLAG_OUT_DEVICE = (1 << 14), + IDE_TFLAG_WRITE = (1 << 15), + IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), + IDE_TFLAG_IN_DATA = (1 << 17), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), + IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), + IDE_TFLAG_IN_HOB_NSECT = (1 << 21), + IDE_TFLAG_IN_HOB_LBAL = (1 << 22), + IDE_TFLAG_IN_HOB_LBAM = (1 << 23), + IDE_TFLAG_IN_HOB_LBAH = (1 << 24), + IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | + IDE_TFLAG_IN_HOB_LBAM | + IDE_TFLAG_IN_HOB_LBAH, + IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | + IDE_TFLAG_IN_HOB_NSECT | + IDE_TFLAG_IN_HOB_LBA, + IDE_TFLAG_IN_FEATURE = (1 << 1), + IDE_TFLAG_IN_NSECT = (1 << 25), + IDE_TFLAG_IN_LBAL = (1 << 26), + IDE_TFLAG_IN_LBAM = (1 << 27), + IDE_TFLAG_IN_LBAH = (1 << 28), + IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | + IDE_TFLAG_IN_LBAM | + IDE_TFLAG_IN_LBAH, + IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | + IDE_TFLAG_IN_LBA, + IDE_TFLAG_IN_DEVICE = (1 << 29), + IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | + IDE_TFLAG_IN_HOB, + IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | + IDE_TFLAG_IN_TF, + IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | + IDE_TFLAG_IN_DEVICE, + /* force 16-bit I/O operations */ + IDE_TFLAG_IO_16BIT = (1 << 30), + /* ide_task_t was allocated using kmalloc() */ + IDE_TFLAG_DYN = (1 << 31), +}; + +struct ide_taskfile { + u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ + + u8 hob_feature; /* 1-5: additional data to support LBA48 */ + u8 hob_nsect; + u8 hob_lbal; + u8 hob_lbam; + u8 hob_lbah; + + u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ + + union { /*  7: */ + u8 error; /* read: error */ + u8 feature; /* write: feature */ + }; + + u8 nsect; /* 8: number of sectors */ + u8 lbal; /* 9: LBA low */ + u8 lbam; /* 10: LBA mid */ + u8 lbah; /* 11: LBA high */ + + u8 device; /* 12: device select */ + + union { /* 13: */ + u8 status; /*  read: status  */ + u8 command; /* write: command */ + }; +}; + +typedef struct ide_task_s { + union { + struct ide_taskfile tf; + u8 tf_array[14]; + }; + u32 tf_flags; + int data_phase; + struct request *rq; /* copy of request */ + void *special; /* valid_t generally */ +} ide_task_t; + /* ATAPI packet command flags */ enum { /* set when an error is considered normal - no retry (ide-tape) */ @@ -567,7 +671,6 @@ typedef struct ide_drive_s ide_drive_t; #define ide_drv_g(disk, cont_type) \ container_of((disk)->private_data, struct cont_type, driver) -struct ide_task_s; struct ide_port_info; struct ide_tp_ops { @@ -694,6 +797,8 @@ typedef struct hwif_s { /* data phase of the active command (currently only valid for PIO/DMA) */ int data_phase; + struct ide_task_s task; /* current command */ + unsigned int nsect; unsigned int nleft; struct scatterlist *cursg; @@ -1059,110 +1164,6 @@ extern void ide_do_drive_cmd(ide_drive_t *, struct request *); extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); -enum { - IDE_TFLAG_LBA48 = (1 << 0), - IDE_TFLAG_FLAGGED = (1 << 2), - IDE_TFLAG_OUT_DATA = (1 << 3), - IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), - IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), - IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), - IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), - IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), - IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | - IDE_TFLAG_OUT_HOB_NSECT | - IDE_TFLAG_OUT_HOB_LBAL | - IDE_TFLAG_OUT_HOB_LBAM | - IDE_TFLAG_OUT_HOB_LBAH, - IDE_TFLAG_OUT_FEATURE = (1 << 9), - IDE_TFLAG_OUT_NSECT = (1 << 10), - IDE_TFLAG_OUT_LBAL = (1 << 11), - IDE_TFLAG_OUT_LBAM = (1 << 12), - IDE_TFLAG_OUT_LBAH = (1 << 13), - IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | - IDE_TFLAG_OUT_NSECT | - IDE_TFLAG_OUT_LBAL | - IDE_TFLAG_OUT_LBAM | - IDE_TFLAG_OUT_LBAH, - IDE_TFLAG_OUT_DEVICE = (1 << 14), - IDE_TFLAG_WRITE = (1 << 15), - IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), - IDE_TFLAG_IN_DATA = (1 << 17), - IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), - IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), - IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), - IDE_TFLAG_IN_HOB_NSECT = (1 << 21), - IDE_TFLAG_IN_HOB_LBAL = (1 << 22), - IDE_TFLAG_IN_HOB_LBAM = (1 << 23), - IDE_TFLAG_IN_HOB_LBAH = (1 << 24), - IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | - IDE_TFLAG_IN_HOB_LBAM | - IDE_TFLAG_IN_HOB_LBAH, - IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | - IDE_TFLAG_IN_HOB_NSECT | - IDE_TFLAG_IN_HOB_LBA, - IDE_TFLAG_IN_FEATURE = (1 << 1), - IDE_TFLAG_IN_NSECT = (1 << 25), - IDE_TFLAG_IN_LBAL = (1 << 26), - IDE_TFLAG_IN_LBAM = (1 << 27), - IDE_TFLAG_IN_LBAH = (1 << 28), - IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | - IDE_TFLAG_IN_LBAM | - IDE_TFLAG_IN_LBAH, - IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | - IDE_TFLAG_IN_LBA, - IDE_TFLAG_IN_DEVICE = (1 << 29), - IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | - IDE_TFLAG_IN_HOB, - IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | - IDE_TFLAG_IN_TF, - IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | - IDE_TFLAG_IN_DEVICE, - /* force 16-bit I/O operations */ - IDE_TFLAG_IO_16BIT = (1 << 30), - /* ide_task_t was allocated using kmalloc() */ - IDE_TFLAG_DYN = (1 << 31), -}; - -struct ide_taskfile { - u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ - - u8 hob_feature; /* 1-5: additional data to support LBA48 */ - u8 hob_nsect; - u8 hob_lbal; - u8 hob_lbam; - u8 hob_lbah; - - u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ - - union { /*  7: */ - u8 error; /* read: error */ - u8 feature; /* write: feature */ - }; - - u8 nsect; /* 8: number of sectors */ - u8 lbal; /* 9: LBA low */ - u8 lbam; /* 10: LBA mid */ - u8 lbah; /* 11: LBA high */ - - u8 device; /* 12: device select */ - - union { /* 13: */ - u8 status; /*  read: status  */ - u8 command; /* write: command */ - }; -}; - -typedef struct ide_task_s { - union { - struct ide_taskfile tf; - u8 tf_array[14]; - }; - u32 tf_flags; - int data_phase; - struct request *rq; /* copy of request */ - void *special; /* valid_t generally */ -} ide_task_t; - void ide_tf_dump(const char *, struct ide_taskfile *); void ide_exec_command(ide_hwif_t *, u8); -- GitLab From a9ab09e26055a76295548ca36ec00de2f4367d32 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:41 +0200 Subject: [PATCH 4439/6244] ide: use unique names for struct pci_driver instances Noticed-by: Russell King Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/aec62xx.c | 6 +++--- drivers/ide/pci/alim15x3.c | 6 +++--- drivers/ide/pci/amd74xx.c | 6 +++--- drivers/ide/pci/atiixp.c | 6 +++--- drivers/ide/pci/cmd64x.c | 6 +++--- drivers/ide/pci/cs5520.c | 4 ++-- drivers/ide/pci/cs5530.c | 6 +++--- drivers/ide/pci/cs5535.c | 6 +++--- drivers/ide/pci/cy82c693.c | 6 +++--- drivers/ide/pci/delkin_cb.c | 6 +++--- drivers/ide/pci/generic.c | 6 +++--- drivers/ide/pci/hpt34x.c | 6 +++--- drivers/ide/pci/hpt366.c | 6 +++--- drivers/ide/pci/it8213.c | 6 +++--- drivers/ide/pci/it821x.c | 6 +++--- drivers/ide/pci/jmicron.c | 6 +++--- drivers/ide/pci/ns87415.c | 6 +++--- drivers/ide/pci/opti621.c | 6 +++--- drivers/ide/pci/pdc202xx_new.c | 6 +++--- drivers/ide/pci/pdc202xx_old.c | 6 +++--- drivers/ide/pci/piix.c | 6 +++--- drivers/ide/pci/rz1000.c | 6 +++--- drivers/ide/pci/sc1200.c | 6 +++--- drivers/ide/pci/scc_pata.c | 6 +++--- drivers/ide/pci/serverworks.c | 6 +++--- drivers/ide/pci/siimage.c | 6 +++--- drivers/ide/pci/sis5513.c | 6 +++--- drivers/ide/pci/sl82c105.c | 6 +++--- drivers/ide/pci/slc90e66.c | 6 +++--- drivers/ide/pci/tc86c001.c | 6 +++--- drivers/ide/pci/triflex.c | 6 +++--- drivers/ide/pci/trm290.c | 6 +++--- drivers/ide/pci/via82cxxx.c | 6 +++--- 33 files changed, 98 insertions(+), 98 deletions(-) diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c index c294b19f5552..4142c698e0d3 100644 --- a/drivers/ide/pci/aec62xx.c +++ b/drivers/ide/pci/aec62xx.c @@ -302,7 +302,7 @@ static const struct pci_device_id aec62xx_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver aec62xx_pci_driver = { .name = "AEC62xx_IDE", .id_table = aec62xx_pci_tbl, .probe = aec62xx_init_one, @@ -313,12 +313,12 @@ static struct pci_driver driver = { static int __init aec62xx_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&aec62xx_pci_driver); } static void __exit aec62xx_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&aec62xx_pci_driver); } module_init(aec62xx_ide_init); diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index f1c57f72bbdb..9d017fc1895e 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -575,7 +575,7 @@ static const struct pci_device_id alim15x3_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, alim15x3_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver alim15x3_pci_driver = { .name = "ALI15x3_IDE", .id_table = alim15x3_pci_tbl, .probe = alim15x3_init_one, @@ -586,12 +586,12 @@ static struct pci_driver driver = { static int __init ali15x3_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&alim15x3_pci_driver); } static void __exit ali15x3_ide_exit(void) { - return pci_unregister_driver(&driver); + return pci_unregister_driver(&alim15x3_pci_driver); } module_init(ali15x3_ide_init); diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 7dbc692c84c3..81ec73134eda 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -319,7 +319,7 @@ static const struct pci_device_id amd74xx_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, amd74xx_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver amd74xx_pci_driver = { .name = "AMD_IDE", .id_table = amd74xx_pci_tbl, .probe = amd74xx_probe, @@ -330,12 +330,12 @@ static struct pci_driver driver = { static int __init amd74xx_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&amd74xx_pci_driver); } static void __exit amd74xx_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&amd74xx_pci_driver); } module_init(amd74xx_ide_init); diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index e4437034dd08..b2735d28f5cc 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -182,7 +182,7 @@ static const struct pci_device_id atiixp_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver atiixp_pci_driver = { .name = "ATIIXP_IDE", .id_table = atiixp_pci_tbl, .probe = atiixp_init_one, @@ -193,12 +193,12 @@ static struct pci_driver driver = { static int __init atiixp_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&atiixp_pci_driver); } static void __exit atiixp_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&atiixp_pci_driver); } module_init(atiixp_ide_init); diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 456dee18b660..bb89c505074c 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -505,7 +505,7 @@ static const struct pci_device_id cmd64x_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, cmd64x_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver cmd64x_pci_driver = { .name = "CMD64x_IDE", .id_table = cmd64x_pci_tbl, .probe = cmd64x_init_one, @@ -516,12 +516,12 @@ static struct pci_driver driver = { static int __init cmd64x_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&cmd64x_pci_driver); } static void __exit cmd64x_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&cmd64x_pci_driver); } module_init(cmd64x_ide_init); diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index d6341f7c4144..5efb467f8fa0 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -145,7 +145,7 @@ static const struct pci_device_id cs5520_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, cs5520_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver cs5520_pci_driver = { .name = "Cyrix_IDE", .id_table = cs5520_pci_tbl, .probe = cs5520_init_one, @@ -155,7 +155,7 @@ static struct pci_driver driver = { static int __init cs5520_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&cs5520_pci_driver); } module_init(cs5520_ide_init); diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c index da42fa7e9f97..53f079cc00af 100644 --- a/drivers/ide/pci/cs5530.c +++ b/drivers/ide/pci/cs5530.c @@ -267,7 +267,7 @@ static const struct pci_device_id cs5530_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, cs5530_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver cs5530_pci_driver = { .name = "CS5530 IDE", .id_table = cs5530_pci_tbl, .probe = cs5530_init_one, @@ -278,12 +278,12 @@ static struct pci_driver driver = { static int __init cs5530_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&cs5530_pci_driver); } static void __exit cs5530_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&cs5530_pci_driver); } module_init(cs5530_ide_init); diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index fa6dca9f3287..983d957a0189 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -192,7 +192,7 @@ static const struct pci_device_id cs5535_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, cs5535_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver cs5535_pci_driver = { .name = "CS5535_IDE", .id_table = cs5535_pci_tbl, .probe = cs5535_init_one, @@ -203,12 +203,12 @@ static struct pci_driver driver = { static int __init cs5535_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&cs5535_pci_driver); } static void __exit cs5535_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&cs5535_pci_driver); } module_init(cs5535_ide_init); diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c index e5f8fc0ed318..5297f07d2933 100644 --- a/drivers/ide/pci/cy82c693.c +++ b/drivers/ide/pci/cy82c693.c @@ -331,7 +331,7 @@ static const struct pci_device_id cy82c693_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, cy82c693_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver cy82c693_pci_driver = { .name = "Cypress_IDE", .id_table = cy82c693_pci_tbl, .probe = cy82c693_init_one, @@ -342,12 +342,12 @@ static struct pci_driver driver = { static int __init cy82c693_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&cy82c693_pci_driver); } static void __exit cy82c693_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&cy82c693_pci_driver); } module_init(cy82c693_ide_init); diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c index 83b63b365e51..8689a706f537 100644 --- a/drivers/ide/pci/delkin_cb.c +++ b/drivers/ide/pci/delkin_cb.c @@ -117,7 +117,7 @@ static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = { }; MODULE_DEVICE_TABLE(pci, delkin_cb_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver delkin_cb_pci_driver = { .name = "Delkin-ASKA-Workbit Cardbus IDE", .id_table = delkin_cb_pci_tbl, .probe = delkin_cb_probe, @@ -126,12 +126,12 @@ static struct pci_driver driver = { static int __init delkin_cb_init(void) { - return pci_register_driver(&driver); + return pci_register_driver(&delkin_cb_pci_driver); } static void __exit delkin_cb_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&delkin_cb_pci_driver); } module_init(delkin_cb_init); diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c index 092b238cb250..474f96a7c076 100644 --- a/drivers/ide/pci/generic.c +++ b/drivers/ide/pci/generic.c @@ -166,7 +166,7 @@ static const struct pci_device_id generic_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, generic_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver generic_pci_driver = { .name = "PCI_IDE", .id_table = generic_pci_tbl, .probe = generic_init_one, @@ -177,12 +177,12 @@ static struct pci_driver driver = { static int __init generic_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&generic_pci_driver); } static void __exit generic_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&generic_pci_driver); } module_init(generic_ide_init); diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c index 644de29f8fe4..fb1a3aa57f07 100644 --- a/drivers/ide/pci/hpt34x.c +++ b/drivers/ide/pci/hpt34x.c @@ -166,7 +166,7 @@ static const struct pci_device_id hpt34x_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver hpt34x_pci_driver = { .name = "HPT34x_IDE", .id_table = hpt34x_pci_tbl, .probe = hpt34x_init_one, @@ -177,12 +177,12 @@ static struct pci_driver driver = { static int __init hpt34x_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&hpt34x_pci_driver); } static void __exit hpt34x_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&hpt34x_pci_driver); } module_init(hpt34x_ide_init); diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 5d47916dab99..91f51e7b376f 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1619,7 +1619,7 @@ static const struct pci_device_id hpt366_pci_tbl[] __devinitconst = { }; MODULE_DEVICE_TABLE(pci, hpt366_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver hpt366_pci_driver = { .name = "HPT366_IDE", .id_table = hpt366_pci_tbl, .probe = hpt366_init_one, @@ -1630,12 +1630,12 @@ static struct pci_driver driver = { static int __init hpt366_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&hpt366_pci_driver); } static void __exit hpt366_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&hpt366_pci_driver); } module_init(hpt366_ide_init); diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c index 0954ccd08d6f..7c2feeb3c5ec 100644 --- a/drivers/ide/pci/it8213.c +++ b/drivers/ide/pci/it8213.c @@ -189,7 +189,7 @@ static const struct pci_device_id it8213_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, it8213_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver it8213_pci_driver = { .name = "ITE8213_IDE", .id_table = it8213_pci_tbl, .probe = it8213_init_one, @@ -200,12 +200,12 @@ static struct pci_driver driver = { static int __init it8213_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&it8213_pci_driver); } static void __exit it8213_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&it8213_pci_driver); } module_init(it8213_ide_init); diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index 1aada445a9c8..ae7e7420f198 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -676,7 +676,7 @@ static const struct pci_device_id it821x_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, it821x_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver it821x_pci_driver = { .name = "ITE821x IDE", .id_table = it821x_pci_tbl, .probe = it821x_init_one, @@ -687,12 +687,12 @@ static struct pci_driver driver = { static int __init it821x_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&it821x_pci_driver); } static void __exit it821x_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&it821x_pci_driver); } module_init(it821x_ide_init); diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c index acd647110648..9a68433cf46d 100644 --- a/drivers/ide/pci/jmicron.c +++ b/drivers/ide/pci/jmicron.c @@ -149,7 +149,7 @@ static struct pci_device_id jmicron_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, jmicron_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver jmicron_pci_driver = { .name = "JMicron IDE", .id_table = jmicron_pci_tbl, .probe = jmicron_init_one, @@ -160,12 +160,12 @@ static struct pci_driver driver = { static int __init jmicron_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&jmicron_pci_driver); } static void __exit jmicron_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&jmicron_pci_driver); } module_init(jmicron_ide_init); diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c index 61a143661ee0..13789060f407 100644 --- a/drivers/ide/pci/ns87415.c +++ b/drivers/ide/pci/ns87415.c @@ -339,7 +339,7 @@ static const struct pci_device_id ns87415_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, ns87415_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver ns87415_pci_driver = { .name = "NS87415_IDE", .id_table = ns87415_pci_tbl, .probe = ns87415_init_one, @@ -350,12 +350,12 @@ static struct pci_driver driver = { static int __init ns87415_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&ns87415_pci_driver); } static void __exit ns87415_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&ns87415_pci_driver); } module_init(ns87415_ide_init); diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c index f0db38bd70e3..6048eda3cd61 100644 --- a/drivers/ide/pci/opti621.c +++ b/drivers/ide/pci/opti621.c @@ -220,7 +220,7 @@ static const struct pci_device_id opti621_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, opti621_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver opti621_pci_driver = { .name = "Opti621_IDE", .id_table = opti621_pci_tbl, .probe = opti621_init_one, @@ -231,12 +231,12 @@ static struct pci_driver driver = { static int __init opti621_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&opti621_pci_driver); } static void __exit opti621_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&opti621_pci_driver); } module_init(opti621_ide_init); diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 9fc59962553b..211ae46e3e0c 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -561,7 +561,7 @@ static const struct pci_device_id pdc202new_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver pdc202new_pci_driver = { .name = "Promise_IDE", .id_table = pdc202new_pci_tbl, .probe = pdc202new_init_one, @@ -572,12 +572,12 @@ static struct pci_driver driver = { static int __init pdc202new_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&pdc202new_pci_driver); } static void __exit pdc202new_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&pdc202new_pci_driver); } module_init(pdc202new_ide_init); diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 6d9240a9dcfa..649b807c6aa6 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -426,7 +426,7 @@ static const struct pci_device_id pdc202xx_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, pdc202xx_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver pdc202xx_pci_driver = { .name = "Promise_Old_IDE", .id_table = pdc202xx_pci_tbl, .probe = pdc202xx_init_one, @@ -437,12 +437,12 @@ static struct pci_driver driver = { static int __init pdc202xx_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&pdc202xx_pci_driver); } static void __exit pdc202xx_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&pdc202xx_pci_driver); } module_init(pdc202xx_ide_init); diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index a06c03f8e295..a909684ee61b 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -444,7 +444,7 @@ static const struct pci_device_id piix_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, piix_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver piix_pci_driver = { .name = "PIIX_IDE", .id_table = piix_pci_tbl, .probe = piix_init_one, @@ -456,12 +456,12 @@ static struct pci_driver driver = { static int __init piix_ide_init(void) { piix_check_450nx(); - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&piix_pci_driver); } static void __exit piix_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&piix_pci_driver); } module_init(piix_ide_init); diff --git a/drivers/ide/pci/rz1000.c b/drivers/ide/pci/rz1000.c index c117a068761b..7daf0135cbac 100644 --- a/drivers/ide/pci/rz1000.c +++ b/drivers/ide/pci/rz1000.c @@ -59,7 +59,7 @@ static const struct pci_device_id rz1000_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, rz1000_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver rz1000_pci_driver = { .name = "RZ1000_IDE", .id_table = rz1000_pci_tbl, .probe = rz1000_init_one, @@ -68,12 +68,12 @@ static struct pci_driver driver = { static int __init rz1000_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&rz1000_pci_driver); } static void __exit rz1000_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&rz1000_pci_driver); } module_init(rz1000_ide_init); diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c index 79eeeadad655..f1a8758e3a99 100644 --- a/drivers/ide/pci/sc1200.c +++ b/drivers/ide/pci/sc1200.c @@ -328,7 +328,7 @@ static const struct pci_device_id sc1200_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, sc1200_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver sc1200_pci_driver = { .name = "SC1200_IDE", .id_table = sc1200_pci_tbl, .probe = sc1200_init_one, @@ -341,12 +341,12 @@ static struct pci_driver driver = { static int __init sc1200_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&sc1200_pci_driver); } static void __exit sc1200_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&sc1200_pci_driver); } module_init(sc1200_ide_init); diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index c2e85fc21b5a..3e75bf5f5e37 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -944,7 +944,7 @@ static const struct pci_device_id scc_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, scc_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver scc_pci_driver = { .name = "SCC IDE", .id_table = scc_pci_tbl, .probe = scc_init_one, @@ -953,14 +953,14 @@ static struct pci_driver driver = { static int scc_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&scc_pci_driver); } module_init(scc_ide_init); /* -- No exit code? static void scc_ide_exit(void) { - ide_pci_unregister_driver(&driver); + ide_pci_unregister_driver(&scc_pci_driver); } module_exit(scc_ide_exit); */ diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 7fac80192f3b..437bc919dafd 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -443,7 +443,7 @@ static const struct pci_device_id svwks_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, svwks_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver svwks_pci_driver = { .name = "Serverworks_IDE", .id_table = svwks_pci_tbl, .probe = svwks_init_one, @@ -454,12 +454,12 @@ static struct pci_driver driver = { static int __init svwks_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&svwks_pci_driver); } static void __exit svwks_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&svwks_pci_driver); } module_init(svwks_ide_init); diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 134868c71c34..0652e31119ef 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -830,7 +830,7 @@ static const struct pci_device_id siimage_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, siimage_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver siimage_pci_driver = { .name = "SiI_IDE", .id_table = siimage_pci_tbl, .probe = siimage_init_one, @@ -841,12 +841,12 @@ static struct pci_driver driver = { static int __init siimage_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&siimage_pci_driver); } static void __exit siimage_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&siimage_pci_driver); } module_init(siimage_ide_init); diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index 734dd41f1f67..ad32e18c5ba3 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -605,7 +605,7 @@ static const struct pci_device_id sis5513_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, sis5513_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver sis5513_pci_driver = { .name = "SIS_IDE", .id_table = sis5513_pci_tbl, .probe = sis5513_init_one, @@ -616,12 +616,12 @@ static struct pci_driver driver = { static int __init sis5513_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&sis5513_pci_driver); } static void __exit sis5513_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&sis5513_pci_driver); } module_init(sis5513_ide_init); diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 37a6b7bdc040..4399e76aa081 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -345,7 +345,7 @@ static const struct pci_device_id sl82c105_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, sl82c105_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver sl82c105_pci_driver = { .name = "W82C105_IDE", .id_table = sl82c105_pci_tbl, .probe = sl82c105_init_one, @@ -356,12 +356,12 @@ static struct pci_driver driver = { static int __init sl82c105_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&sl82c105_pci_driver); } static void __exit sl82c105_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&sl82c105_pci_driver); } module_init(sl82c105_ide_init); diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index a9551a13ac57..0f759e4ed779 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -154,7 +154,7 @@ static const struct pci_device_id slc90e66_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver slc90e66_pci_driver = { .name = "SLC90e66_IDE", .id_table = slc90e66_pci_tbl, .probe = slc90e66_init_one, @@ -165,12 +165,12 @@ static struct pci_driver driver = { static int __init slc90e66_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&slc90e66_pci_driver); } static void __exit slc90e66_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&slc90e66_pci_driver); } module_init(slc90e66_ide_init); diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index 927277c54ec9..a683377d75f1 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -245,7 +245,7 @@ static const struct pci_device_id tc86c001_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, tc86c001_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver tc86c001_pci_driver = { .name = "TC86C001", .id_table = tc86c001_pci_tbl, .probe = tc86c001_init_one, @@ -254,12 +254,12 @@ static struct pci_driver driver = { static int __init tc86c001_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&tc86c001_pci_driver); } static void __exit tc86c001_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&tc86c001_pci_driver); } module_init(tc86c001_ide_init); diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c index 42fb98f268d5..b6ff40336aa9 100644 --- a/drivers/ide/pci/triflex.c +++ b/drivers/ide/pci/triflex.c @@ -113,7 +113,7 @@ static const struct pci_device_id triflex_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver triflex_pci_driver = { .name = "TRIFLEX_IDE", .id_table = triflex_pci_tbl, .probe = triflex_init_one, @@ -124,12 +124,12 @@ static struct pci_driver driver = { static int __init triflex_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&triflex_pci_driver); } static void __exit triflex_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&triflex_pci_driver); } module_init(triflex_ide_init); diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c index c12ffbb28748..75ea61526566 100644 --- a/drivers/ide/pci/trm290.c +++ b/drivers/ide/pci/trm290.c @@ -350,7 +350,7 @@ static const struct pci_device_id trm290_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, trm290_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver trm290_pci_driver = { .name = "TRM290_IDE", .id_table = trm290_pci_tbl, .probe = trm290_init_one, @@ -359,12 +359,12 @@ static struct pci_driver driver = { static int __init trm290_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&trm290_pci_driver); } static void __exit trm290_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&trm290_pci_driver); } module_init(trm290_ide_init); diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index acacdaab69c2..2a812d3207e9 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -487,7 +487,7 @@ static const struct pci_device_id via_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, via_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver via_pci_driver = { .name = "VIA_IDE", .id_table = via_pci_tbl, .probe = via_init_one, @@ -498,12 +498,12 @@ static struct pci_driver driver = { static int __init via_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&via_pci_driver); } static void __exit via_ide_exit(void) { - pci_unregister_driver(&driver); + pci_unregister_driver(&via_pci_driver); } module_init(via_ide_init); -- GitLab From bfa7d8e55f0c5ae22ef57eb22942c74fdde7b9bd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:42 +0200 Subject: [PATCH 4440/6244] ide: ->ide_dma_clear_irq() -> ->clear_irq() * Rename ->ide_dma_clear_irq method to ->clear_irq and move it from ide_hwif_t to struct ide_port_ops. * Move ->waiting_for_dma check inside ->clear_irq method. * Move ->dma_base check inside ->clear_irq method. piix.c: * Add ich_port_ops and remove init_hwif_ich() wrapper. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 15 ++++----------- drivers/ide/pci/piix.c | 39 +++++++++++++++++++++++---------------- include/linux/ide.h | 4 ++-- 3 files changed, 29 insertions(+), 29 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index ec709269c066..d0579f1abddd 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -1418,23 +1418,16 @@ irqreturn_t ide_intr (int irq, void *dev_id) del_timer(&hwgroup->timer); spin_unlock(&ide_lock); - /* Some controllers might set DMA INTR no matter DMA or PIO; - * bmdma status might need to be cleared even for - * PIO interrupts to prevent spurious/lost irq. - */ - if (hwif->ide_dma_clear_irq && !(drive->waiting_for_dma)) - /* ide_dma_end() needs bmdma status for error checking. - * So, skip clearing bmdma status here and leave it - * to ide_dma_end() if this is dma interrupt. - */ - hwif->ide_dma_clear_irq(drive); + if (hwif->port_ops && hwif->port_ops->clear_irq) + hwif->port_ops->clear_irq(drive); if (drive->dev_flags & IDE_DFLAG_UNMASK) local_irq_enable_in_hardirq(); + /* service this interrupt, may set handler for next interrupt */ startstop = handler(drive); - spin_lock_irq(&ide_lock); + spin_lock_irq(&ide_lock); /* * Note that handler() may have set things up for another * interrupt to occur soon, but it cannot happen until diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index a909684ee61b..56feb939f82a 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -215,17 +215,26 @@ static unsigned int init_chipset_ich(struct pci_dev *dev) } /** - * piix_dma_clear_irq - clear BMDMA status - * @drive: IDE drive to clear + * ich_clear_irq - clear BMDMA status + * @drive: IDE drive * - * Called from ide_intr() for PIO interrupts - * to clear BMDMA status as needed by ICHx + * ICHx contollers set DMA INTR no matter DMA or PIO. + * BMDMA status might need to be cleared even for + * PIO interrupts to prevent spurious/lost IRQ. */ -static void piix_dma_clear_irq(ide_drive_t *drive) +static void ich_clear_irq(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); u8 dma_stat; + /* + * ide_dma_end() needs BMDMA status for error checking. + * So, skip clearing BMDMA status here and leave it + * to ide_dma_end() if this is DMA interrupt. + */ + if (drive->waiting_for_dma || hwif->dma_base == 0) + return; + /* clear the INTR & ERROR bits */ dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); /* Should we force the bit as well ? */ @@ -293,21 +302,19 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif) hwif->ultra_mask = hwif->mwdma_mask = hwif->swdma_mask = 0; } -static void __devinit init_hwif_ich(ide_hwif_t *hwif) -{ - init_hwif_piix(hwif); - - /* ICHx need to clear the BMDMA status for all interrupts */ - if (hwif->dma_base) - hwif->ide_dma_clear_irq = &piix_dma_clear_irq; -} - static const struct ide_port_ops piix_port_ops = { .set_pio_mode = piix_set_pio_mode, .set_dma_mode = piix_set_dma_mode, .cable_detect = piix_cable_detect, }; +static const struct ide_port_ops ich_port_ops = { + .set_pio_mode = piix_set_pio_mode, + .set_dma_mode = piix_set_dma_mode, + .clear_irq = ich_clear_irq, + .cable_detect = piix_cable_detect, +}; + #ifndef CONFIG_IA64 #define IDE_HFLAGS_PIIX IDE_HFLAG_LEGACY_IRQS #else @@ -331,9 +338,9 @@ static const struct ide_port_ops piix_port_ops = { { \ .name = DRV_NAME, \ .init_chipset = init_chipset_ich, \ - .init_hwif = init_hwif_ich, \ + .init_hwif = init_hwif_piix, \ .enablebits = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \ - .port_ops = &piix_port_ops, \ + .port_ops = &ich_port_ops, \ .host_flags = IDE_HFLAGS_PIIX, \ .pio_mask = ATA_PIO4, \ .swdma_mask = ATA_SWDMA2_ONLY, \ diff --git a/include/linux/ide.h b/include/linux/ide.h index 14d489c2e5a9..37a4344f3842 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -704,6 +704,7 @@ extern const struct ide_tp_ops default_tp_ops; * @resetproc: routine to reset controller after a disk reset * @maskproc: special host masking for drive selection * @quirkproc: check host's drive quirk list + * @clear_irq: clear IRQ * * @mdma_filter: filter MDMA modes * @udma_filter: filter UDMA modes @@ -720,6 +721,7 @@ struct ide_port_ops { void (*resetproc)(ide_drive_t *); void (*maskproc)(ide_drive_t *, int); void (*quirkproc)(ide_drive_t *); + void (*clear_irq)(ide_drive_t *); u8 (*mdma_filter)(ide_drive_t *); u8 (*udma_filter)(ide_drive_t *); @@ -782,8 +784,6 @@ typedef struct hwif_s { const struct ide_port_ops *port_ops; const struct ide_dma_ops *dma_ops; - void (*ide_dma_clear_irq)(ide_drive_t *drive); - /* dma physical region descriptor table (cpu view) */ unsigned int *dmatable_cpu; /* dma physical region descriptor table (dma view) */ -- GitLab From 6ccc6d7ecbb427580d045699e434bc5c6f45e227 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:42 +0200 Subject: [PATCH 4441/6244] ide-generic: no need to probe all ports at once Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 47 ++++++++++----------------------------- 1 file changed, 12 insertions(+), 35 deletions(-) diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 0a3cb0c33ae5..3104dc8d5b61 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -137,10 +137,9 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) static int __init ide_generic_init(void) { - hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; - struct ide_host *host; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; unsigned long io_addr; - int i, rc, primary = 0, secondary = 0; + int i, rc = 0, primary = 0, secondary = 0; #ifdef CONFIG_MIPS if (!ide_probe_legacy()) @@ -161,13 +160,9 @@ static int __init ide_generic_init(void) printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports " "upon user request\n"); - memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS); - for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) { io_addr = legacy_bases[i]; - hws[i] = NULL; - if ((probe_mask & (1 << i)) && io_addr) { if (!request_region(io_addr, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX " @@ -184,45 +179,27 @@ static int __init ide_generic_init(void) continue; } - memset(&hw[i], 0, sizeof(hw[i])); - ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); + memset(&hw, 0, sizeof(hw)); + ide_std_init_ports(&hw, io_addr, io_addr + 0x206); #ifdef CONFIG_IA64 - hw[i].irq = isa_irq_to_vector(legacy_irqs[i]); + hw.irq = isa_irq_to_vector(legacy_irqs[i]); #else - hw[i].irq = legacy_irqs[i]; + hw.irq = legacy_irqs[i]; #endif - hw[i].chipset = ide_generic; + hw.chipset = ide_generic; - hws[i] = &hw[i]; + rc = ide_host_add(NULL, hws, NULL); + if (rc) { + release_region(io_addr + 0x206, 1); + release_region(io_addr, 8); + } } } - host = ide_host_alloc_all(NULL, hws); - if (host == NULL) { - rc = -ENOMEM; - goto err; - } - - rc = ide_host_register(host, NULL, hws); - if (rc) - goto err_free; - if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " "class\n"); - return 0; -err_free: - ide_host_free(host); -err: - for (i = 0; i < MAX_HWIFS; i++) { - if (hws[i] == NULL) - continue; - - io_addr = hws[i]->io_ports.data_addr; - release_region(io_addr + 0x206, 1); - release_region(io_addr, 8); - } return rc; } -- GitLab From cf4049103be931fca133f66b3181490284a521c6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:42 +0200 Subject: [PATCH 4442/6244] ide-generic: remove no longer needed ide_probe_legacy() There is now a generic solution [ide_generic_check_pci_legacy_iobases()] so MIPS-specific ide_probe_legacy() is no longer necessary. Cc: Ralf Baechle Signed-off-by: Bartlomiej Zolnierkiewicz --- arch/mips/include/asm/mach-generic/ide.h | 29 ------------------------ drivers/ide/ide-generic.c | 4 ---- 2 files changed, 33 deletions(-) diff --git a/arch/mips/include/asm/mach-generic/ide.h b/arch/mips/include/asm/mach-generic/ide.h index 73008f7bdc93..9c93a5b36f2a 100644 --- a/arch/mips/include/asm/mach-generic/ide.h +++ b/arch/mips/include/asm/mach-generic/ide.h @@ -19,35 +19,6 @@ #include #include -static __inline__ int ide_probe_legacy(void) -{ -#ifdef CONFIG_PCI - struct pci_dev *dev; - /* - * This can be called on the ide_setup() path, super-early in - * boot. But the down_read() will enable local interrupts, - * which can cause some machines to crash. So here we detect - * and flag that situation and bail out early. - */ - if (no_pci_devices()) - return 0; - dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL); - if (dev) - goto found; - dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); - if (dev) - goto found; - return 0; -found: - pci_dev_put(dev); - return 1; -#elif defined(CONFIG_EISA) || defined(CONFIG_ISA) - return 1; -#else - return 0; -#endif -} - /* MIPS port and memory-mapped I/O string operations. */ static inline void __ide_flush_prologue(void) { diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 3104dc8d5b61..81a5282ce1eb 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -141,10 +141,6 @@ static int __init ide_generic_init(void) unsigned long io_addr; int i, rc = 0, primary = 0, secondary = 0; -#ifdef CONFIG_MIPS - if (!ide_probe_legacy()) - return -ENODEV; -#endif ide_generic_check_pci_legacy_iobases(&primary, &secondary); if (!probe_mask) { -- GitLab From a36223b0dc14606b5c80aacbbe6288133693a841 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:43 +0200 Subject: [PATCH 4443/6244] ide: remove ide_host_alloc_all() * Remove no longer used ide_host_alloc_all(). * Add MAX_HOST_PORTS define and use it instead of MAX_HWIFS as the maximum number of host ports possible. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-probe.c | 31 +++++++++---------------------- include/linux/ide.h | 5 +++-- 2 files changed, 12 insertions(+), 24 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 242cfd09e16b..3269cbf0e56d 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1544,8 +1544,7 @@ static void ide_free_port_slot(int idx) mutex_unlock(&ide_cfg_mtx); } -struct ide_host *ide_host_alloc_all(const struct ide_port_info *d, - hw_regs_t **hws) +struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) { struct ide_host *host; int i; @@ -1554,7 +1553,7 @@ struct ide_host *ide_host_alloc_all(const struct ide_port_info *d, if (host == NULL) return NULL; - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { ide_hwif_t *hwif; int idx; @@ -1596,18 +1595,6 @@ struct ide_host *ide_host_alloc_all(const struct ide_port_info *d, return host; } -EXPORT_SYMBOL_GPL(ide_host_alloc_all); - -struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) -{ - hw_regs_t *hws_all[MAX_HWIFS]; - int i; - - for (i = 0; i < MAX_HWIFS; i++) - hws_all[i] = (i < 4) ? hws[i] : NULL; - - return ide_host_alloc_all(d, hws_all); -} EXPORT_SYMBOL_GPL(ide_host_alloc); int ide_host_register(struct ide_host *host, const struct ide_port_info *d, @@ -1616,7 +1603,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, ide_hwif_t *hwif, *mate = NULL; int i, j = 0; - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) { @@ -1644,7 +1631,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, ide_port_init_devices(hwif); } - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) @@ -1661,7 +1648,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, ide_port_tune_devices(hwif); } - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) @@ -1685,7 +1672,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, ide_acpi_port_init_devices(hwif); } - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) @@ -1698,7 +1685,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, hwif_register_devices(hwif); } - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) @@ -1743,7 +1730,7 @@ void ide_host_free(struct ide_host *host) ide_hwif_t *hwif; int i; - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { hwif = host->ports[i]; if (hwif == NULL) @@ -1761,7 +1748,7 @@ void ide_host_remove(struct ide_host *host) { int i; - for (i = 0; i < MAX_HWIFS; i++) { + for (i = 0; i < MAX_HOST_PORTS; i++) { if (host->ports[i]) ide_unregister(host->ports[i]); } diff --git a/include/linux/ide.h b/include/linux/ide.h index 37a4344f3842..86fa030e8022 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -832,8 +832,10 @@ typedef struct hwif_s { #endif } ____cacheline_internodealigned_in_smp ide_hwif_t; +#define MAX_HOST_PORTS 4 + struct ide_host { - ide_hwif_t *ports[MAX_HWIFS]; + ide_hwif_t *ports[MAX_HOST_PORTS]; unsigned int n_ports; struct device *dev[2]; unsigned int (*init_chipset)(struct pci_dev *); @@ -1479,7 +1481,6 @@ void ide_undecoded_slave(ide_drive_t *); void ide_port_apply_params(ide_hwif_t *); -struct ide_host *ide_host_alloc_all(const struct ide_port_info *, hw_regs_t **); struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **); void ide_host_free(struct ide_host *); int ide_host_register(struct ide_host *, const struct ide_port_info *, -- GitLab From 4ab3d50224e35811b3351c28e63057595e8406e6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:43 +0200 Subject: [PATCH 4444/6244] ide: set IDE_AFLAG_DRQ_INTERRUPT in do_identify() Set IDE_AFLAG_DRQ_INTERRUPT in do_identify() instead of ATAPI device drivers *_setup() methods. While at it: - use ata_id_cdb_intr() There should be no functional changes caused by this patch. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 3 --- drivers/ide/ide-floppy.c | 5 ----- drivers/ide/ide-probe.c | 2 ++ drivers/ide/ide-tape.c | 7 ------- drivers/scsi/ide-scsi.c | 2 -- 5 files changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 84bc2413312a..e6c2a2e66ed2 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1891,9 +1891,6 @@ static int ide_cdrom_setup(ide_drive_t *drive) drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT | ide_cd_flags(id); - if ((id[ATA_ID_CONFIG] & 0x0060) == 0x20) - drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; - if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) && fw_rev[4] == '1' && fw_rev[6] <= '2') drive->atapi_flags |= (IDE_AFLAG_TOCTRACKS_AS_BCD | diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 8c2b00941bd8..9f2c6b2af98f 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -578,16 +578,11 @@ static const struct ide_proc_devset idefloppy_settings[] = { static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) { u16 *id = drive->id; - u8 gcw[2]; - - *((u16 *)&gcw) = id[ATA_ID_CONFIG]; drive->pc_callback = ide_floppy_callback; drive->pc_update_buffers = idefloppy_update_buffers; drive->pc_io_buffers = ide_io_buffers; - if (((gcw[0] & 0x60) >> 5) == 1) - drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; /* * We used to check revisions here. At this point however I'm giving up. * Just assume they are all broken, its easier. diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 3269cbf0e56d..bce427ee08aa 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -206,6 +206,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) drive->media = type; /* an ATAPI device ignores DRDY */ drive->ready_stat = 0; + if (ata_id_cdb_intr(id)) + drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; return; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 27665e3a41cb..25ac60f53273 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2185,7 +2185,6 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) unsigned long t; int speed; int buffer_size; - u8 gcw[2]; u16 *ctl = (u16 *)&tape->caps[12]; drive->pc_callback = ide_tape_callback; @@ -2212,12 +2211,6 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) tape->name[2] = '0' + minor; tape->chrdev_dir = IDETAPE_DIR_NONE; - *((u16 *)&gcw) = drive->id[ATA_ID_CONFIG]; - - /* Command packet DRQ type */ - if (((gcw[0] & 0x60) >> 5) == 1) - set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags); - idetape_get_inquiry_results(drive); idetape_get_mode_sense_results(drive); ide_tape_get_bsize_from_bdesc(drive); diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index c2995972052c..740bad435995 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -385,8 +385,6 @@ static const struct ide_proc_devset idescsi_settings[] = { */ static void idescsi_setup (ide_drive_t *drive, idescsi_scsi_t *scsi) { - if ((drive->id[ATA_ID_CONFIG] & 0x0060) == 0x20) - set_bit(IDE_AFLAG_DRQ_INTERRUPT, &drive->atapi_flags); clear_bit(IDESCSI_SG_TRANSFORM, &scsi->transform); #if IDESCSI_DEBUG_LOG set_bit(IDESCSI_LOG_CMD, &scsi->log); -- GitLab From 14d83b12c931b03dbe6b3dc79122db02521c890b Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:43 +0200 Subject: [PATCH 4445/6244] ide-cd: no need to zero drive->special.all Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index e6c2a2e66ed2..880d6d042fc8 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1886,8 +1886,6 @@ static int ide_cdrom_setup(ide_drive_t *drive) if (!drive->queue->unplug_delay) drive->queue->unplug_delay = 1; - drive->special.all = 0; - drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT | ide_cd_flags(id); -- GitLab From 5bb1536a07cca0b66f2bb41dfdf84140939b8f1f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:44 +0200 Subject: [PATCH 4446/6244] ide-floppy: move all ioctl handling to ide-floppy_ioctl.c (take 2) While at it: - idefloppy_ioctl() -> ide_floppy_ioctl() v2: Fix for idefloppy_ioctl name change from Stephen Rothwell. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-floppy.c | 52 +------------------------------- drivers/ide/ide-floppy.h | 3 +- drivers/ide/ide-floppy_ioctl.c | 54 ++++++++++++++++++++++++++++++++-- 3 files changed, 54 insertions(+), 55 deletions(-) diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 9f2c6b2af98f..169d4d93a6a9 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -765,56 +765,6 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, - unsigned long arg, unsigned int cmd) -{ - idefloppy_floppy_t *floppy = drive->driver_data; - struct gendisk *disk = floppy->disk; - int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; - - if (floppy->openers > 1) - return -EBUSY; - - ide_set_media_lock(drive, disk, prevent); - - if (cmd == CDROMEJECT) - ide_do_start_stop(drive, disk, 2); - - return 0; -} - -static int idefloppy_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct block_device *bdev = inode->i_bdev; - struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk, - ide_floppy_obj); - ide_drive_t *drive = floppy->drive; - struct ide_atapi_pc pc; - void __user *argp = (void __user *)arg; - int err; - - if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) - return ide_floppy_lockdoor(drive, &pc, arg, cmd); - - err = ide_floppy_format_ioctl(drive, file, cmd, argp); - if (err != -ENOTTY) - return err; - - /* - * skip SCSI_IOCTL_SEND_COMMAND (deprecated) - * and CDROM_SEND_PACKET (legacy) ioctls - */ - if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND) - err = scsi_cmd_ioctl(file, bdev->bd_disk->queue, - bdev->bd_disk, cmd, argp); - - if (err == -ENOTTY) - err = generic_ide_ioctl(drive, file, bdev, cmd, arg); - - return err; -} - static int idefloppy_media_changed(struct gendisk *disk) { struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); @@ -842,7 +792,7 @@ static struct block_device_operations idefloppy_ops = { .owner = THIS_MODULE, .open = idefloppy_open, .release = idefloppy_release, - .ioctl = idefloppy_ioctl, + .ioctl = ide_floppy_ioctl, .getgeo = idefloppy_getgeo, .media_changed = idefloppy_media_changed, .revalidate_disk = idefloppy_revalidate_disk diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index 00ad5f992dc0..914e4b2f855d 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -50,7 +50,6 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8); void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *); /* ide-floppy_ioctl.c */ -int ide_floppy_format_ioctl(ide_drive_t *, struct file *, unsigned int, - void __user *); +int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long); #endif /*__IDE_FLOPPY_H */ diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c index 9723ed9c61b4..a3a7a0809e2b 100644 --- a/drivers/ide/ide-floppy_ioctl.c +++ b/drivers/ide/ide-floppy_ioctl.c @@ -223,8 +223,26 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg) return 0; } -int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, - unsigned int cmd, void __user *argp) +static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, + unsigned long arg, unsigned int cmd) +{ + idefloppy_floppy_t *floppy = drive->driver_data; + struct gendisk *disk = floppy->disk; + int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; + + if (floppy->openers > 1) + return -EBUSY; + + ide_set_media_lock(drive, disk, prevent); + + if (cmd == CDROMEJECT) + ide_do_start_stop(drive, disk, 2); + + return 0; +} + +static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, + unsigned int cmd, void __user *argp) { switch (cmd) { case IDEFLOPPY_IOCTL_FORMAT_SUPPORTED: @@ -241,3 +259,35 @@ int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file, return -ENOTTY; } } + +int ide_floppy_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct block_device *bdev = inode->i_bdev; + struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk, + ide_floppy_obj); + ide_drive_t *drive = floppy->drive; + struct ide_atapi_pc pc; + void __user *argp = (void __user *)arg; + int err; + + if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR) + return ide_floppy_lockdoor(drive, &pc, arg, cmd); + + err = ide_floppy_format_ioctl(drive, file, cmd, argp); + if (err != -ENOTTY) + return err; + + /* + * skip SCSI_IOCTL_SEND_COMMAND (deprecated) + * and CDROM_SEND_PACKET (legacy) ioctls + */ + if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND) + err = scsi_cmd_ioctl(file, bdev->bd_disk->queue, + bdev->bd_disk, cmd, argp); + + if (err == -ENOTTY) + err = generic_ide_ioctl(drive, file, bdev, cmd, arg); + + return err; +} -- GitLab From b9103da463f72d03c513acdb18f1aebd7931ed1e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:44 +0200 Subject: [PATCH 4447/6244] ide-floppy: move /proc handling to ide-floppy_proc.c (take 2) While at it: - idefloppy_capacity() -> ide_floppy_capacity() - idefloppy_proc[] -> ide_floppy_proc[] - idefloppy_settings[] -> ide_floppy_settings[] v2: Build fix for CONFIG_IDE_PROC_FS=n from Elias Oltmanns. Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 4 ++++ drivers/ide/ide-floppy.c | 41 ++++------------------------------- drivers/ide/ide-floppy.h | 7 ++++++ drivers/ide/ide-floppy_proc.c | 33 ++++++++++++++++++++++++++++ 4 files changed, 48 insertions(+), 37 deletions(-) create mode 100644 drivers/ide/ide-floppy_proc.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index f408983f89f3..06e7867052d3 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -39,6 +39,10 @@ obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o +ifeq ($(CONFIG_IDE_PROC_FS), y) + ide-floppy_mod-y += ide-floppy_proc.o +endif + obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy_mod.o diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 169d4d93a6a9..cf0aa25470ee 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -552,7 +552,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive) return rc; } -static sector_t idefloppy_capacity(ide_drive_t *drive) +sector_t ide_floppy_capacity(ide_drive_t *drive) { idefloppy_floppy_t *floppy = drive->driver_data; unsigned long capacity = floppy->blocks * floppy->bs_factor; @@ -560,21 +560,6 @@ static sector_t idefloppy_capacity(ide_drive_t *drive) return capacity; } -#ifdef CONFIG_IDE_PROC_FS -ide_devset_rw_field(bios_cyl, bios_cyl); -ide_devset_rw_field(bios_head, bios_head); -ide_devset_rw_field(bios_sect, bios_sect); -ide_devset_rw_field(ticks, pc_delay); - -static const struct ide_proc_devset idefloppy_settings[] = { - IDE_PROC_DEVSET(bios_cyl, 0, 1023), - IDE_PROC_DEVSET(bios_head, 0, 255), - IDE_PROC_DEVSET(bios_sect, 0, 63), - IDE_PROC_DEVSET(ticks, 0, 255), - { 0 }, -}; -#endif - static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy) { u16 *id = drive->id; @@ -639,24 +624,6 @@ static void idefloppy_cleanup_obj(struct kref *kref) kfree(floppy); } -#ifdef CONFIG_IDE_PROC_FS -static int proc_idefloppy_read_capacity(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - ide_drive_t*drive = (ide_drive_t *)data; - int len; - - len = sprintf(page, "%llu\n", (long long)idefloppy_capacity(drive)); - PROC_IDE_READ_RETURN(page, start, off, count, eof, len); -} - -static ide_proc_entry_t idefloppy_proc[] = { - { "capacity", S_IFREG|S_IRUGO, proc_idefloppy_read_capacity, NULL }, - { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, - { NULL, 0, NULL, NULL } -}; -#endif /* CONFIG_IDE_PROC_FS */ - static int ide_floppy_probe(ide_drive_t *); static ide_driver_t idefloppy_driver = { @@ -672,8 +639,8 @@ static ide_driver_t idefloppy_driver = { .end_request = idefloppy_end_request, .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS - .proc = idefloppy_proc, - .settings = idefloppy_settings, + .proc = ide_floppy_proc, + .settings = ide_floppy_settings, #endif }; @@ -784,7 +751,7 @@ static int idefloppy_media_changed(struct gendisk *disk) static int idefloppy_revalidate_disk(struct gendisk *disk) { struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj); - set_capacity(disk, idefloppy_capacity(floppy->drive)); + set_capacity(disk, ide_floppy_capacity(floppy->drive)); return 0; } diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index 914e4b2f855d..17cf865e583d 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -48,8 +48,15 @@ typedef struct ide_floppy_obj { /* ide-floppy.c */ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8); void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *); +sector_t ide_floppy_capacity(ide_drive_t *); /* ide-floppy_ioctl.c */ int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long); +#ifdef CONFIG_IDE_PROC_FS +/* ide-floppy_proc.c */ +extern ide_proc_entry_t ide_floppy_proc[]; +extern const struct ide_proc_devset ide_floppy_settings[]; +#endif + #endif /*__IDE_FLOPPY_H */ diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c new file mode 100644 index 000000000000..76f0c6c4eca3 --- /dev/null +++ b/drivers/ide/ide-floppy_proc.c @@ -0,0 +1,33 @@ +#include +#include + +#include "ide-floppy.h" + +static int proc_idefloppy_read_capacity(char *page, char **start, off_t off, + int count, int *eof, void *data) +{ + ide_drive_t*drive = (ide_drive_t *)data; + int len; + + len = sprintf(page, "%llu\n", (long long)ide_floppy_capacity(drive)); + PROC_IDE_READ_RETURN(page, start, off, count, eof, len); +} + +ide_proc_entry_t ide_floppy_proc[] = { + { "capacity", S_IFREG|S_IRUGO, proc_idefloppy_read_capacity, NULL }, + { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, + { NULL, 0, NULL, NULL } +}; + +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); +ide_devset_rw_field(ticks, pc_delay); + +const struct ide_proc_devset ide_floppy_settings[] = { + IDE_PROC_DEVSET(bios_cyl, 0, 1023), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(ticks, 0, 255), + { 0 }, +}; -- GitLab From f87904898e91923a91b925078ac933f05076c7fd Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:45 +0200 Subject: [PATCH 4448/6244] ide-disk: move all ioctl handling to ide-disk_ioctl.c While at it: - idedisk_ioctl() -> ide_disk_ioctl() Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 3 ++- drivers/ide/ide-disk.c | 48 ++++++------------------------------ drivers/ide/ide-disk.h | 25 +++++++++++++++++++ drivers/ide/ide-disk_ioctl.c | 29 ++++++++++++++++++++++ drivers/ide/ide.c | 11 +++------ include/linux/ide.h | 7 ++++-- 6 files changed, 73 insertions(+), 50 deletions(-) create mode 100644 drivers/ide/ide-disk.h create mode 100644 drivers/ide/ide-disk_ioctl.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 06e7867052d3..57b252b8e792 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_IDE_H8300) += h8300/ obj-$(CONFIG_IDE_GENERIC) += ide-generic.o obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o +ide-disk_mod-y += ide-disk.o ide-disk_ioctl.o ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o @@ -43,7 +44,7 @@ ifeq ($(CONFIG_IDE_PROC_FS), y) ide-floppy_mod-y += ide-floppy_proc.o endif -obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o +obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk_mod.o obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o obj-$(CONFIG_BLK_DEV_IDEFLOPPY) += ide-floppy_mod.o obj-$(CONFIG_BLK_DEV_IDETAPE) += ide-tape.o diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 6eb9fea32a56..995d448109eb 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -45,21 +45,12 @@ #define IDE_DISK_MINORS 0 #endif -struct ide_disk_obj { - ide_drive_t *drive; - ide_driver_t *driver; - struct gendisk *disk; - struct kref kref; - unsigned int openers; /* protected by BKL for now */ -}; +#include "ide-disk.h" static DEFINE_MUTEX(idedisk_ref_mutex); #define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref) -#define ide_disk_g(disk) \ - container_of((disk)->private_data, struct ide_disk_obj, driver) - static void ide_disk_release(struct kref *); static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) @@ -722,12 +713,12 @@ static int set_addressing(ide_drive_t *drive, int arg) return 0; } -ide_devset_rw(acoustic, acoustic); -ide_devset_rw(address, addressing); -ide_devset_rw(multcount, multcount); -ide_devset_rw(wcache, wcache); +ide_ext_devset_rw(acoustic, acoustic); +ide_ext_devset_rw(address, addressing); +ide_ext_devset_rw(multcount, multcount); +ide_ext_devset_rw(wcache, wcache); -ide_devset_rw_sync(nowerr, nowerr); +ide_ext_devset_rw_sync(nowerr, nowerr); #ifdef CONFIG_IDE_PROC_FS ide_devset_rw_field(bios_cyl, bios_cyl); @@ -1025,30 +1016,6 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { -{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address }, -{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount }, -{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr }, -{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache }, -{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic }, -{ 0 } -}; - -static int idedisk_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct block_device *bdev = inode->i_bdev; - struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); - ide_drive_t *drive = idkp->drive; - int err; - - err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); - if (err != -EOPNOTSUPP) - return err; - - return generic_ide_ioctl(drive, file, bdev, cmd, arg); -} - static int idedisk_media_changed(struct gendisk *disk) { struct ide_disk_obj *idkp = ide_disk_g(disk); @@ -1075,7 +1042,7 @@ static struct block_device_operations idedisk_ops = { .owner = THIS_MODULE, .open = idedisk_open, .release = idedisk_release, - .ioctl = idedisk_ioctl, + .ioctl = ide_disk_ioctl, .getgeo = idedisk_getgeo, .media_changed = idedisk_media_changed, .revalidate_disk = idedisk_revalidate_disk @@ -1151,6 +1118,7 @@ static int __init idedisk_init(void) } MODULE_ALIAS("ide:*m-disk*"); +MODULE_ALIAS("ide-disk"); module_init(idedisk_init); module_exit(idedisk_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h new file mode 100644 index 000000000000..7f007854adac --- /dev/null +++ b/drivers/ide/ide-disk.h @@ -0,0 +1,25 @@ +#ifndef __IDE_DISK_H +#define __IDE_DISK_H + +struct ide_disk_obj { + ide_drive_t *drive; + ide_driver_t *driver; + struct gendisk *disk; + struct kref kref; + unsigned int openers; /* protected by BKL for now */ +}; + +#define ide_disk_g(disk) \ + container_of((disk)->private_data, struct ide_disk_obj, driver) + +/* ide-disk.c */ +ide_decl_devset(address); +ide_decl_devset(multcount); +ide_decl_devset(nowerr); +ide_decl_devset(wcache); +ide_decl_devset(acoustic); + +/* ide-disk_ioctl.c */ +int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long); + +#endif /* __IDE_DISK_H */ diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c new file mode 100644 index 000000000000..a6cf1a03a806 --- /dev/null +++ b/drivers/ide/ide-disk_ioctl.c @@ -0,0 +1,29 @@ +#include +#include +#include + +#include "ide-disk.h" + +static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = { +{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address }, +{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount }, +{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr }, +{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache }, +{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic }, +{ 0 } +}; + +int ide_disk_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct block_device *bdev = inode->i_bdev; + struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk); + ide_drive_t *drive = idkp->drive; + int err; + + err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); + if (err != -EOPNOTSUPP) + return err; + + return generic_ide_ioctl(drive, file, bdev, cmd, arg); +} diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 73e1cc5839d3..a498245dc213 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -392,13 +392,10 @@ static int set_unmaskirq(ide_drive_t *drive, int arg) return 0; } -#define ide_gen_devset_rw(_name, _func) \ -__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) - -ide_gen_devset_rw(io_32bit, io_32bit); -ide_gen_devset_rw(keepsettings, ksettings); -ide_gen_devset_rw(unmaskirq, unmaskirq); -ide_gen_devset_rw(using_dma, using_dma); +ide_ext_devset_rw_sync(io_32bit, io_32bit); +ide_ext_devset_rw_sync(keepsettings, ksettings); +ide_ext_devset_rw_sync(unmaskirq, unmaskirq); +ide_ext_devset_rw_sync(using_dma, using_dma); __IDE_DEVSET(pio_mode, DS_SYNC, NULL, set_pio_mode); static int generic_ide_suspend(struct device *dev, pm_message_t mesg) diff --git a/include/linux/ide.h b/include/linux/ide.h index 86fa030e8022..7ce245e6c6a5 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -946,8 +946,11 @@ IDE_DEVSET(_name, 0, get_##_func, set_##_func) #define ide_devset_w(_name, _func) \ IDE_DEVSET(_name, 0, NULL, set_##_func) -#define ide_devset_rw_sync(_name, _func) \ -IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) +#define ide_ext_devset_rw(_name, _func) \ +__IDE_DEVSET(_name, 0, get_##_func, set_##_func) + +#define ide_ext_devset_rw_sync(_name, _func) \ +__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) #define ide_decl_devset(_name) \ extern const struct ide_devset ide_devset_##_name -- GitLab From 06b89518fa69fb7243dc98c31f9a9cfa61bfe788 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:45 +0200 Subject: [PATCH 4449/6244] ide-disk: move /proc handling to ide-disk_proc.c (take 3) While at it: - idedisk_capacity() -> ide_disk_capacity() - idedisk_proc[] -> ide_disk_proc[] - idedisk_settings[] -> ide_disk_settings[] v2/3: Build fix for CONFIG_IDE_PROC_FS=n from Elias Oltmanns. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 1 + drivers/ide/ide-disk.c | 142 ++---------------------------------- drivers/ide/ide-disk.h | 7 ++ drivers/ide/ide-disk_proc.c | 129 ++++++++++++++++++++++++++++++++ 4 files changed, 144 insertions(+), 135 deletions(-) create mode 100644 drivers/ide/ide-disk_proc.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 57b252b8e792..e6e7811812d2 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -41,6 +41,7 @@ ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o ifeq ($(CONFIG_IDE_PROC_FS), y) + ide-disk_mod-y += ide-disk_proc.o ide-floppy_mod-y += ide-floppy_proc.o endif diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 995d448109eb..3853bde8eedc 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -405,115 +405,11 @@ static void init_idedisk_capacity(ide_drive_t *drive) } } -static sector_t idedisk_capacity(ide_drive_t *drive) +sector_t ide_disk_capacity(ide_drive_t *drive) { return drive->capacity64; } -#ifdef CONFIG_IDE_PROC_FS -static int smart_enable(ide_drive_t *drive) -{ - ide_task_t args; - struct ide_taskfile *tf = &args.tf; - - memset(&args, 0, sizeof(ide_task_t)); - tf->feature = ATA_SMART_ENABLE; - tf->lbam = ATA_SMART_LBAM_PASS; - tf->lbah = ATA_SMART_LBAH_PASS; - tf->command = ATA_CMD_SMART; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - return ide_no_data_taskfile(drive, &args); -} - -static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) -{ - ide_task_t args; - struct ide_taskfile *tf = &args.tf; - - memset(&args, 0, sizeof(ide_task_t)); - tf->feature = sub_cmd; - tf->nsect = 0x01; - tf->lbam = ATA_SMART_LBAM_PASS; - tf->lbah = ATA_SMART_LBAH_PASS; - tf->command = ATA_CMD_SMART; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - args.data_phase = TASKFILE_IN; - (void) smart_enable(drive); - return ide_raw_taskfile(drive, &args, buf, 1); -} - -static int proc_idedisk_read_cache - (char *page, char **start, off_t off, int count, int *eof, void *data) -{ - ide_drive_t *drive = (ide_drive_t *) data; - char *out = page; - int len; - - if (drive->dev_flags & IDE_DFLAG_ID_READ) - len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); - else - len = sprintf(out, "(none)\n"); - - PROC_IDE_READ_RETURN(page, start, off, count, eof, len); -} - -static int proc_idedisk_read_capacity - (char *page, char **start, off_t off, int count, int *eof, void *data) -{ - ide_drive_t*drive = (ide_drive_t *)data; - int len; - - len = sprintf(page, "%llu\n", (long long)idedisk_capacity(drive)); - - PROC_IDE_READ_RETURN(page, start, off, count, eof, len); -} - -static int proc_idedisk_read_smart(char *page, char **start, off_t off, - int count, int *eof, void *data, u8 sub_cmd) -{ - ide_drive_t *drive = (ide_drive_t *)data; - int len = 0, i = 0; - - if (get_smart_data(drive, page, sub_cmd) == 0) { - unsigned short *val = (unsigned short *) page; - char *out = (char *)val + SECTOR_SIZE; - - page = out; - do { - out += sprintf(out, "%04x%c", le16_to_cpu(*val), - (++i & 7) ? ' ' : '\n'); - val += 1; - } while (i < SECTOR_SIZE / 2); - len = out - page; - } - - PROC_IDE_READ_RETURN(page, start, off, count, eof, len); -} - -static int proc_idedisk_read_sv - (char *page, char **start, off_t off, int count, int *eof, void *data) -{ - return proc_idedisk_read_smart(page, start, off, count, eof, data, - ATA_SMART_READ_VALUES); -} - -static int proc_idedisk_read_st - (char *page, char **start, off_t off, int count, int *eof, void *data) -{ - return proc_idedisk_read_smart(page, start, off, count, eof, data, - ATA_SMART_READ_THRESHOLDS); -} - -static ide_proc_entry_t idedisk_proc[] = { - { "cache", S_IFREG|S_IRUGO, proc_idedisk_read_cache, NULL }, - { "capacity", S_IFREG|S_IRUGO, proc_idedisk_read_capacity, NULL }, - { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, - { "smart_values", S_IFREG|S_IRUSR, proc_idedisk_read_sv, NULL }, - { "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_st, NULL }, - { NULL, 0, NULL, NULL } -}; -#endif /* CONFIG_IDE_PROC_FS */ - static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) { ide_drive_t *drive = q->queuedata; @@ -612,7 +508,7 @@ static void update_ordered(ide_drive_t *drive) * time we have trimmed the drive capacity if LBA48 is * not available so we don't need to recheck that. */ - capacity = idedisk_capacity(drive); + capacity = ide_disk_capacity(drive); barrier = ata_id_flush_enabled(id) && (drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 && ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 || @@ -720,30 +616,6 @@ ide_ext_devset_rw(wcache, wcache); ide_ext_devset_rw_sync(nowerr, nowerr); -#ifdef CONFIG_IDE_PROC_FS -ide_devset_rw_field(bios_cyl, bios_cyl); -ide_devset_rw_field(bios_head, bios_head); -ide_devset_rw_field(bios_sect, bios_sect); -ide_devset_rw_field(failures, failures); -ide_devset_rw_field(lun, lun); -ide_devset_rw_field(max_failures, max_failures); - -static const struct ide_proc_devset idedisk_settings[] = { - IDE_PROC_DEVSET(acoustic, 0, 254), - IDE_PROC_DEVSET(address, 0, 2), - IDE_PROC_DEVSET(bios_cyl, 0, 65535), - IDE_PROC_DEVSET(bios_head, 0, 255), - IDE_PROC_DEVSET(bios_sect, 0, 63), - IDE_PROC_DEVSET(failures, 0, 65535), - IDE_PROC_DEVSET(lun, 0, 7), - IDE_PROC_DEVSET(max_failures, 0, 65535), - IDE_PROC_DEVSET(multcount, 0, 16), - IDE_PROC_DEVSET(nowerr, 0, 1), - IDE_PROC_DEVSET(wcache, 0, 1), - { 0 }, -}; -#endif - static void idedisk_setup(ide_drive_t *drive) { struct ide_disk_obj *idkp = drive->driver_data; @@ -806,7 +678,7 @@ static void idedisk_setup(ide_drive_t *drive) * if possible, give fdisk access to more of the drive, * by correcting bios_cyls: */ - capacity = idedisk_capacity(drive); + capacity = ide_disk_capacity(drive); if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) { if (ata_id_lba48_enabled(drive->id)) { @@ -939,8 +811,8 @@ static ide_driver_t idedisk_driver = { .end_request = ide_end_request, .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS - .proc = idedisk_proc, - .settings = idedisk_settings, + .proc = ide_disk_proc, + .settings = ide_disk_settings, #endif }; @@ -1034,7 +906,7 @@ static int idedisk_media_changed(struct gendisk *disk) static int idedisk_revalidate_disk(struct gendisk *disk) { struct ide_disk_obj *idkp = ide_disk_g(disk); - set_capacity(disk, idedisk_capacity(idkp->drive)); + set_capacity(disk, ide_disk_capacity(idkp->drive)); return 0; } @@ -1096,7 +968,7 @@ static int ide_disk_probe(ide_drive_t *drive) g->flags |= GENHD_FL_EXT_DEVT; if (drive->dev_flags & IDE_DFLAG_REMOVABLE) g->flags = GENHD_FL_REMOVABLE; - set_capacity(g, idedisk_capacity(drive)); + set_capacity(g, ide_disk_capacity(drive)); g->fops = &idedisk_ops; add_disk(g); return 0; diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h index 7f007854adac..a82fa4355665 100644 --- a/drivers/ide/ide-disk.h +++ b/drivers/ide/ide-disk.h @@ -13,6 +13,7 @@ struct ide_disk_obj { container_of((disk)->private_data, struct ide_disk_obj, driver) /* ide-disk.c */ +sector_t ide_disk_capacity(ide_drive_t *); ide_decl_devset(address); ide_decl_devset(multcount); ide_decl_devset(nowerr); @@ -22,4 +23,10 @@ ide_decl_devset(acoustic); /* ide-disk_ioctl.c */ int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +#ifdef CONFIG_IDE_PROC_FS +/* ide-disk_proc.c */ +extern ide_proc_entry_t ide_disk_proc[]; +extern const struct ide_proc_devset ide_disk_settings[]; +#endif + #endif /* __IDE_DISK_H */ diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c new file mode 100644 index 000000000000..4724976afe71 --- /dev/null +++ b/drivers/ide/ide-disk_proc.c @@ -0,0 +1,129 @@ +#include +#include +#include + +#include "ide-disk.h" + +static int smart_enable(ide_drive_t *drive) +{ + ide_task_t args; + struct ide_taskfile *tf = &args.tf; + + memset(&args, 0, sizeof(ide_task_t)); + tf->feature = ATA_SMART_ENABLE; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; + args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + return ide_no_data_taskfile(drive, &args); +} + +static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) +{ + ide_task_t args; + struct ide_taskfile *tf = &args.tf; + + memset(&args, 0, sizeof(ide_task_t)); + tf->feature = sub_cmd; + tf->nsect = 0x01; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; + args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + args.data_phase = TASKFILE_IN; + (void) smart_enable(drive); + return ide_raw_taskfile(drive, &args, buf, 1); +} + +static int proc_idedisk_read_cache + (char *page, char **start, off_t off, int count, int *eof, void *data) +{ + ide_drive_t *drive = (ide_drive_t *) data; + char *out = page; + int len; + + if (drive->dev_flags & IDE_DFLAG_ID_READ) + len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); + else + len = sprintf(out, "(none)\n"); + + PROC_IDE_READ_RETURN(page, start, off, count, eof, len); +} + +static int proc_idedisk_read_capacity + (char *page, char **start, off_t off, int count, int *eof, void *data) +{ + ide_drive_t*drive = (ide_drive_t *)data; + int len; + + len = sprintf(page, "%llu\n", (long long)ide_disk_capacity(drive)); + + PROC_IDE_READ_RETURN(page, start, off, count, eof, len); +} + +static int proc_idedisk_read_smart(char *page, char **start, off_t off, + int count, int *eof, void *data, u8 sub_cmd) +{ + ide_drive_t *drive = (ide_drive_t *)data; + int len = 0, i = 0; + + if (get_smart_data(drive, page, sub_cmd) == 0) { + unsigned short *val = (unsigned short *) page; + char *out = (char *)val + SECTOR_SIZE; + + page = out; + do { + out += sprintf(out, "%04x%c", le16_to_cpu(*val), + (++i & 7) ? ' ' : '\n'); + val += 1; + } while (i < SECTOR_SIZE / 2); + len = out - page; + } + + PROC_IDE_READ_RETURN(page, start, off, count, eof, len); +} + +static int proc_idedisk_read_sv + (char *page, char **start, off_t off, int count, int *eof, void *data) +{ + return proc_idedisk_read_smart(page, start, off, count, eof, data, + ATA_SMART_READ_VALUES); +} + +static int proc_idedisk_read_st + (char *page, char **start, off_t off, int count, int *eof, void *data) +{ + return proc_idedisk_read_smart(page, start, off, count, eof, data, + ATA_SMART_READ_THRESHOLDS); +} + +ide_proc_entry_t ide_disk_proc[] = { + { "cache", S_IFREG|S_IRUGO, proc_idedisk_read_cache, NULL }, + { "capacity", S_IFREG|S_IRUGO, proc_idedisk_read_capacity, NULL }, + { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, + { "smart_values", S_IFREG|S_IRUSR, proc_idedisk_read_sv, NULL }, + { "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_st, NULL }, + { NULL, 0, NULL, NULL } +}; + +ide_devset_rw_field(bios_cyl, bios_cyl); +ide_devset_rw_field(bios_head, bios_head); +ide_devset_rw_field(bios_sect, bios_sect); +ide_devset_rw_field(failures, failures); +ide_devset_rw_field(lun, lun); +ide_devset_rw_field(max_failures, max_failures); + +const struct ide_proc_devset ide_disk_settings[] = { + IDE_PROC_DEVSET(acoustic, 0, 254), + IDE_PROC_DEVSET(address, 0, 2), + IDE_PROC_DEVSET(bios_cyl, 0, 65535), + IDE_PROC_DEVSET(bios_head, 0, 255), + IDE_PROC_DEVSET(bios_sect, 0, 63), + IDE_PROC_DEVSET(failures, 0, 65535), + IDE_PROC_DEVSET(lun, 0, 7), + IDE_PROC_DEVSET(max_failures, 0, 65535), + IDE_PROC_DEVSET(multcount, 0, 16), + IDE_PROC_DEVSET(nowerr, 0, 1), + IDE_PROC_DEVSET(wcache, 0, 1), + { 0 }, +}; -- GitLab From e415e495f8294e536e09e6a15fba897cce4c0748 Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Mon, 13 Oct 2008 21:39:45 +0200 Subject: [PATCH 4450/6244] ide: Two fixes regarding memory allocation In function ide_devset_execute() we should use __GFP_WAIT rather than GFP_KERNEL. Also, the allocation cannot possibly fail at that point. More importantly, there is a potential memory leak in the device probing code. The infrastructure seems rather complex and I hope I haven't messed anything up by trying to fix this. Signed-off-by: Elias Oltmanns [bart: remove superfluous ide_lock taking] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 5 +---- drivers/ide/ide-probe.c | 20 +++++++++++++++----- 2 files changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index d0579f1abddd..e205f46c3c7a 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -655,10 +655,7 @@ int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting, if (!(setting->flags & DS_SYNC)) return setting->set(drive, arg); - rq = blk_get_request(q, READ, GFP_KERNEL); - if (!rq) - return -ENOMEM; - + rq = blk_get_request(q, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_SPECIAL; rq->cmd_len = 5; rq->cmd[0] = REQ_DEVSET_EXEC; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index bce427ee08aa..de8edd306c79 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -958,9 +958,9 @@ static void ide_add_drive_to_hwgroup(ide_drive_t *drive) * - allocate the block device queue * - link drive into the hwgroup */ -static void ide_port_setup_devices(ide_hwif_t *hwif) +static int ide_port_setup_devices(ide_hwif_t *hwif) { - int i; + int i, j = 0; mutex_lock(&ide_cfg_mtx); for (i = 0; i < MAX_DRIVES; i++) { @@ -972,12 +972,19 @@ static void ide_port_setup_devices(ide_hwif_t *hwif) if (ide_init_queue(drive)) { printk(KERN_ERR "ide: failed to init %s\n", drive->name); + kfree(drive->id); + drive->id = NULL; + drive->dev_flags &= ~IDE_DFLAG_PRESENT; continue; } + j++; + ide_add_drive_to_hwgroup(drive); } mutex_unlock(&ide_cfg_mtx); + + return j; } static ide_hwif_t *ide_ports[MAX_HWIFS]; @@ -1663,10 +1670,13 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, continue; } - j++; - if (hwif->present) - ide_port_setup_devices(hwif); + if (ide_port_setup_devices(hwif) == 0) { + hwif->present = 0; + continue; + } + + j++; ide_acpi_init(hwif); -- GitLab From 9055ba3ee2dba801e8e6bddec9003ad8bca153ab Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:45 +0200 Subject: [PATCH 4451/6244] pmac: remove superfluous pmif == NULL checks Cc: Benjamin Herrenschmidt Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ppc/pmac.c | 39 +++++---------------------------------- 1 file changed, 5 insertions(+), 34 deletions(-) diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 5b083700d882..7f2ce6195d1e 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -430,9 +430,6 @@ pmac_ide_selectproc(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (drive->dn & 1) writel(pmif->timings[1], PMAC_IDE_REG(IDE_TIMING_CONFIG)); else @@ -452,9 +449,6 @@ pmac_ide_kauai_selectproc(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (drive->dn & 1) { writel(pmif->timings[1], PMAC_IDE_REG(IDE_KAUAI_PIO_CONFIG)); writel(pmif->timings[3], PMAC_IDE_REG(IDE_KAUAI_ULTRA_CONFIG)); @@ -475,9 +469,6 @@ pmac_ide_do_update_timings(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - if (pmif == NULL) - return; - if (pmif->kind == controller_sh_ata6 || pmif->kind == controller_un_ata6 || pmif->kind == controller_k2_ata6) @@ -524,9 +515,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio) unsigned accessTime, recTime; unsigned int cycle_time; - if (pmif == NULL) - return; - /* which drive is it ? */ timings = &pmif->timings[drive->dn & 1]; t = *timings; @@ -1558,11 +1546,7 @@ pmac_ide_dma_setup(ide_drive_t *drive) pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct request *rq = HWGROUP(drive)->rq; - u8 unit = drive->dn & 1, ata4; - - if (pmif == NULL) - return 1; - ata4 = (pmif->kind == controller_kl_ata4); + u8 unit = drive->dn & 1, ata4 = (pmif->kind == controller_kl_ata4); if (!pmac_ide_build_dmatable(drive, rq)) { ide_map_sg(drive, rq); @@ -1616,12 +1600,8 @@ pmac_ide_dma_end (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; u32 dstat; - - if (pmif == NULL) - return 0; - dma = pmif->dma_regs; drive->waiting_for_dma = 0; dstat = readl(&dma->status); @@ -1646,13 +1626,9 @@ pmac_ide_dma_test_irq (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; unsigned long status, timeout; - if (pmif == NULL) - return 0; - dma = pmif->dma_regs; - /* We have to things to deal with here: * * - The dbdma won't stop if the command was started @@ -1705,14 +1681,9 @@ pmac_ide_dma_lost_irq (ide_drive_t *drive) ide_hwif_t *hwif = drive->hwif; pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); - volatile struct dbdma_regs __iomem *dma; - unsigned long status; - - if (pmif == NULL) - return; - dma = pmif->dma_regs; + volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; + unsigned long status = readl(&dma->status); - status = readl(&dma->status); printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status); } -- GitLab From f5e0b5ecb3afc8050259003067b6a1aef3635f12 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:45 +0200 Subject: [PATCH 4452/6244] pmac: remove needless pmac_ide_destroy_dmatable() wrapper hwif->sg_nents is always != 0 when this function is called and there is also no need to explicitely zero hwif->sg_nents. Cc: Benjamin Herrenschmidt Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ppc/pmac.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 7f2ce6195d1e..2e19d6298536 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1523,18 +1523,6 @@ use_pio_instead: return 0; /* revert to PIO for this request */ } -/* Teardown mappings after DMA has completed. */ -static void -pmac_ide_destroy_dmatable (ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - - if (hwif->sg_nents) { - ide_destroy_dmatable(drive); - hwif->sg_nents = 0; - } -} - /* * Prepare a DMA transfer. We build the DMA table, adjust the timings for * a read on KeyLargo ATA/66 and mark us as waiting for DMA completion @@ -1606,7 +1594,9 @@ pmac_ide_dma_end (ide_drive_t *drive) drive->waiting_for_dma = 0; dstat = readl(&dma->status); writel(((RUN|WAKE|DEAD) << 16), &dma->control); - pmac_ide_destroy_dmatable(drive); + + ide_destroy_dmatable(drive); + /* verify good dma status. we don't check for ACTIVE beeing 0. We should... * in theory, but with ATAPI decices doing buffer underruns, that would * cause us to disable DMA, which isn't what we want -- GitLab From 653bcf5292a9ac4ffc07315198f0ef995e0646a8 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:46 +0200 Subject: [PATCH 4453/6244] ide: __ide_dma_end() -> ide_dma_end() While at it: - use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 7 +++---- drivers/ide/pci/alim15x3.c | 2 +- drivers/ide/pci/cmd64x.c | 4 ++-- drivers/ide/pci/hpt366.c | 6 +++--- drivers/ide/pci/it821x.c | 2 +- drivers/ide/pci/pdc202xx_old.c | 4 ++-- drivers/ide/pci/siimage.c | 2 +- drivers/ide/pci/sl82c105.c | 2 +- drivers/ide/pci/tc86c001.c | 2 +- include/linux/ide.h | 2 +- 10 files changed, 16 insertions(+), 17 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index d5934fc8f85f..f142d8f1349e 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -531,7 +531,7 @@ void ide_dma_start(ide_drive_t *drive) EXPORT_SYMBOL_GPL(ide_dma_start); /* returns 1 on error, 0 otherwise */ -int __ide_dma_end (ide_drive_t *drive) +int ide_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; @@ -566,8 +566,7 @@ int __ide_dma_end (ide_drive_t *drive) wmb(); return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; } - -EXPORT_SYMBOL(__ide_dma_end); +EXPORT_SYMBOL_GPL(ide_dma_end); /* returns 1 if dma irq issued, 0 otherwise */ int ide_dma_test_irq(ide_drive_t *drive) @@ -880,7 +879,7 @@ const struct ide_dma_ops sff_dma_ops = { .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = ide_dma_test_irq, .dma_timeout = ide_dma_timeout, .dma_lost_irq = ide_dma_lost_irq, diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 9d017fc1895e..daf9dce39e52 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -507,7 +507,7 @@ static const struct ide_dma_ops ali_dma_ops = { .dma_setup = ali15x3_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = ide_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, .dma_timeout = ide_dma_timeout, diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index bb89c505074c..935385c77e06 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -228,7 +228,7 @@ static int cmd648_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); unsigned long base = hwif->dma_base - (hwif->channel * 8); - int err = __ide_dma_end(drive); + int err = ide_dma_end(drive); u8 irq_mask = hwif->channel ? MRDMODE_INTR_CH1 : MRDMODE_INTR_CH0; u8 mrdmode = inb(base + 1); @@ -248,7 +248,7 @@ static int cmd64x_dma_end(ide_drive_t *drive) u8 irq_mask = hwif->channel ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0; u8 irq_stat = 0; - int err = __ide_dma_end(drive); + int err = ide_dma_end(drive); (void) pci_read_config_byte(dev, irq_reg, &irq_stat); /* clear the interrupt bit */ diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 91f51e7b376f..9cf171cb9376 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -835,7 +835,7 @@ static int hpt370_dma_end(ide_drive_t *drive) if (dma_stat & 0x01) hpt370_irq_timeout(drive); } - return __ide_dma_end(drive); + return ide_dma_end(drive); } static void hpt370_dma_timeout(ide_drive_t *drive) @@ -877,7 +877,7 @@ static int hpt374_dma_end(ide_drive_t *drive) pci_read_config_byte(dev, mcr_addr, &mcr); if (bwsr & mask) pci_write_config_byte(dev, mcr_addr, mcr | 0x30); - return __ide_dma_end(drive); + return ide_dma_end(drive); } /** @@ -1453,7 +1453,7 @@ static const struct ide_dma_ops hpt36x_dma_ops = { .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = ide_dma_test_irq, .dma_lost_irq = hpt366_dma_lost_irq, .dma_timeout = ide_dma_timeout, diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c index ae7e7420f198..995e18bb3139 100644 --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -385,7 +385,7 @@ static int it821x_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; struct it821x_dev *itdev = ide_get_hwifdata(hwif); - int ret = __ide_dma_end(drive); + int ret = ide_dma_end(drive); u8 unit = drive->dn & 1; if(itdev->mwdma[unit] != MWDMA_OFF) diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index 649b807c6aa6..799557c25eef 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c @@ -200,7 +200,7 @@ static int pdc202xx_dma_end(ide_drive_t *drive) } if (drive->current_speed > XFER_UDMA_2) pdc_old_disable_66MHz_clock(drive->hwif); - return __ide_dma_end(drive); + return ide_dma_end(drive); } static int pdc202xx_dma_test_irq(ide_drive_t *drive) @@ -333,7 +333,7 @@ static const struct ide_dma_ops pdc20246_dma_ops = { .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = pdc202xx_dma_test_irq, .dma_lost_irq = pdc202xx_dma_lost_irq, .dma_timeout = pdc202xx_dma_timeout, diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 0652e31119ef..eb4faf92c571 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -713,7 +713,7 @@ static const struct ide_dma_ops sil_dma_ops = { .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = ide_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = siimage_dma_test_irq, .dma_timeout = ide_dma_timeout, .dma_lost_irq = ide_dma_lost_irq, diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index 4399e76aa081..84dc33602ff8 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -207,7 +207,7 @@ static int sl82c105_dma_end(ide_drive_t *drive) DBG(("%s(drive:%s)\n", __func__, drive->name)); - ret = __ide_dma_end(drive); + ret = ide_dma_end(drive); pci_write_config_word(dev, reg, drive->drive_data); diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index a683377d75f1..93e2cce4b296 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -186,7 +186,7 @@ static const struct ide_dma_ops tc86c001_dma_ops = { .dma_setup = ide_dma_setup, .dma_exec_cmd = ide_dma_exec_cmd, .dma_start = tc86c001_dma_start, - .dma_end = __ide_dma_end, + .dma_end = ide_dma_end, .dma_test_irq = ide_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, .dma_timeout = ide_dma_timeout, diff --git a/include/linux/ide.h b/include/linux/ide.h index 7ce245e6c6a5..22f7451f7b49 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1435,7 +1435,7 @@ void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); void ide_dma_exec_cmd(ide_drive_t *, u8); extern void ide_dma_start(ide_drive_t *); -extern int __ide_dma_end(ide_drive_t *); +int ide_dma_end(ide_drive_t *); int ide_dma_test_irq(ide_drive_t *); extern void ide_dma_lost_irq(ide_drive_t *); extern void ide_dma_timeout(ide_drive_t *); -- GitLab From de23ec9ca82357e6d337a2263befb1a65cf19c83 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:46 +0200 Subject: [PATCH 4454/6244] ide: make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n Make ide_dma_lost_irq() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n and convert {ics,au1xxx-}ide.c to use it. While at it: - use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/icside.c | 7 +------ drivers/ide/ide-dma.c | 9 ++++----- drivers/ide/mips/au1xxx-ide.c | 7 +------ include/linux/ide.h | 3 ++- 4 files changed, 8 insertions(+), 18 deletions(-) diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 70f5b164828b..40ebe04f3995 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -386,11 +386,6 @@ static void icside_dma_timeout(ide_drive_t *drive) icside_dma_end(drive); } -static void icside_dma_lost_irq(ide_drive_t *drive) -{ - printk(KERN_ERR "%s: IRQ lost\n", drive->name); -} - static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) { hwif->dmatable_cpu = NULL; @@ -407,7 +402,7 @@ static const struct ide_dma_ops icside_v6_dma_ops = { .dma_end = icside_dma_end, .dma_test_irq = icside_dma_test_irq, .dma_timeout = icside_dma_timeout, - .dma_lost_irq = icside_dma_lost_irq, + .dma_lost_irq = ide_dma_lost_irq, }; #else #define icside_v6_dma_ops NULL diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index f142d8f1349e..08cd878de50b 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -823,14 +823,13 @@ void ide_check_dma_crc(ide_drive_t *drive) ide_dma_on(drive); } -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -void ide_dma_lost_irq (ide_drive_t *drive) +void ide_dma_lost_irq(ide_drive_t *drive) { - printk("%s: DMA interrupt recovery\n", drive->name); + printk(KERN_ERR "%s: DMA interrupt recovery\n", drive->name); } +EXPORT_SYMBOL_GPL(ide_dma_lost_irq); -EXPORT_SYMBOL(ide_dma_lost_irq); - +#ifdef CONFIG_BLK_DEV_IDEDMA_SFF void ide_dma_timeout (ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 1c95a0ed7504..92c90db4bb30 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -340,11 +340,6 @@ static void auide_dma_host_set(ide_drive_t *drive, int on) { } -static void auide_dma_lost_irq(ide_drive_t *drive) -{ - printk(KERN_ERR "%s: IRQ lost\n", drive->name); -} - static void auide_ddma_tx_callback(int irq, void *param) { _auide_hwif *ahwif = (_auide_hwif*)param; @@ -390,7 +385,7 @@ static const struct ide_dma_ops au1xxx_dma_ops = { .dma_start = auide_dma_start, .dma_end = auide_dma_end, .dma_test_irq = auide_dma_test_irq, - .dma_lost_irq = auide_dma_lost_irq, + .dma_lost_irq = ide_dma_lost_irq, .dma_timeout = auide_dma_timeout, }; diff --git a/include/linux/ide.h b/include/linux/ide.h index 22f7451f7b49..ae4a25d2b066 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1437,11 +1437,12 @@ void ide_dma_exec_cmd(ide_drive_t *, u8); extern void ide_dma_start(ide_drive_t *); int ide_dma_end(ide_drive_t *); int ide_dma_test_irq(ide_drive_t *); -extern void ide_dma_lost_irq(ide_drive_t *); extern void ide_dma_timeout(ide_drive_t *); extern const struct ide_dma_ops sff_dma_ops; #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ +void ide_dma_lost_irq(ide_drive_t *); + #else static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } -- GitLab From ffa15a6915b7f6f6f69b4a66e1100a9c68d11250 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:46 +0200 Subject: [PATCH 4455/6244] ide: make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n Make ide_dma_timeout() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n and convert {ics,au1xxx-}ide.c to use it. While at it: - dump ATA Status register content on error - use EXPORT_SYMBOL_GPL() to match the rest of SFF DMA functions Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/arm/icside.c | 16 +--------------- drivers/ide/ide-dma.c | 9 +++++---- drivers/ide/mips/au1xxx-ide.c | 14 +------------- include/linux/ide.h | 2 +- 4 files changed, 8 insertions(+), 33 deletions(-) diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c index 40ebe04f3995..76bdc9a27f6f 100644 --- a/drivers/ide/arm/icside.c +++ b/drivers/ide/arm/icside.c @@ -372,20 +372,6 @@ static int icside_dma_test_irq(ide_drive_t *drive) ICS_ARCIN_V6_INTRSTAT_1)) & 1; } -static void icside_dma_timeout(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - - printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); - - if (icside_dma_test_irq(drive)) - return; - - ide_dump_status(drive, "DMA timeout", hwif->tp_ops->read_status(hwif)); - - icside_dma_end(drive); -} - static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) { hwif->dmatable_cpu = NULL; @@ -401,7 +387,7 @@ static const struct ide_dma_ops icside_v6_dma_ops = { .dma_start = icside_dma_start, .dma_end = icside_dma_end, .dma_test_irq = icside_dma_test_irq, - .dma_timeout = icside_dma_timeout, + .dma_timeout = ide_dma_timeout, .dma_lost_irq = ide_dma_lost_irq, }; #else diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 08cd878de50b..244b61b573ce 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -829,8 +829,7 @@ void ide_dma_lost_irq(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_dma_lost_irq); -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -void ide_dma_timeout (ide_drive_t *drive) +void ide_dma_timeout(ide_drive_t *drive) { ide_hwif_t *hwif = HWIF(drive); @@ -839,11 +838,13 @@ void ide_dma_timeout (ide_drive_t *drive) if (hwif->dma_ops->dma_test_irq(drive)) return; + ide_dump_status(drive, "DMA timeout", hwif->tp_ops->read_status(hwif)); + hwif->dma_ops->dma_end(drive); } +EXPORT_SYMBOL_GPL(ide_dma_timeout); -EXPORT_SYMBOL(ide_dma_timeout); - +#ifdef CONFIG_BLK_DEV_IDEDMA_SFF void ide_release_dma_engine(ide_hwif_t *hwif) { if (hwif->dmatable_cpu) { diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 92c90db4bb30..f9e88cfec827 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -366,18 +366,6 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de } #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static void auide_dma_timeout(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - - printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); - - if (auide_dma_test_irq(drive)) - return; - - auide_dma_end(drive); -} - static const struct ide_dma_ops au1xxx_dma_ops = { .dma_host_set = auide_dma_host_set, .dma_setup = auide_dma_setup, @@ -386,7 +374,7 @@ static const struct ide_dma_ops au1xxx_dma_ops = { .dma_end = auide_dma_end, .dma_test_irq = auide_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, - .dma_timeout = auide_dma_timeout, + .dma_timeout = ide_dma_timeout, }; static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) diff --git a/include/linux/ide.h b/include/linux/ide.h index ae4a25d2b066..39aaff8ff457 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1437,11 +1437,11 @@ void ide_dma_exec_cmd(ide_drive_t *, u8); extern void ide_dma_start(ide_drive_t *); int ide_dma_end(ide_drive_t *); int ide_dma_test_irq(ide_drive_t *); -extern void ide_dma_timeout(ide_drive_t *); extern const struct ide_dma_ops sff_dma_ops; #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ void ide_dma_lost_irq(ide_drive_t *); +void ide_dma_timeout(ide_drive_t *); #else static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } -- GitLab From 2bbd57cad3d72334c9fcc4e229a5a5b04dc6aebc Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:47 +0200 Subject: [PATCH 4456/6244] ide: switch to DMA-mapping API part #2 Follow-up to commit 5c05ff68b9a9b40a9be949497e0aa980185565cf ("ide: switch to DMA-mapping API"): * pci_{alloc,free}_consistent() -> dma_{alloc,free}_coherent() in ide_{allocate,release}_dma_engine(). * Add ->prd_max_nents and ->prd_ent_size fields to ide_hwif_t (+ set default values in ide_allocate_dma_engine()). * Make ide_{allocate,release}_dma_engine() available also for CONFIG_BLK_DEV_IDEDMA_SFF=n. Then convert au1xxx-ide.c, scc_pata.c and sgiioc4.c to use them. * Add missing ->init_dma method to scc_pata. This patch also fixes: - ->dmatable_cpu leak for au1xxx-ide - too early realease of ->dmatable_cpu for scc_pata - wrong amount of ->dmatable_cpu memory being freed for sgiioc4 While at it: - remove superfluous ->dma_base check from ide_unregister() - return -ENOMEM on error in ide_release_dma_engine() - beautify error message in ide_release_dma_engine() Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 31 +++++++++++++++++++------------ drivers/ide/ide.c | 3 +-- drivers/ide/mips/au1xxx-ide.c | 7 +++---- drivers/ide/pci/scc_pata.c | 14 +++++++------- drivers/ide/pci/sgiioc4.c | 15 +++++++-------- include/linux/ide.h | 17 ++++++++++------- 6 files changed, 47 insertions(+), 40 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 244b61b573ce..3f949b5db353 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -844,36 +844,43 @@ void ide_dma_timeout(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_dma_timeout); -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF void ide_release_dma_engine(ide_hwif_t *hwif) { if (hwif->dmatable_cpu) { - struct pci_dev *pdev = to_pci_dev(hwif->dev); + int prd_size = hwif->prd_max_nents * hwif->prd_ent_size; - pci_free_consistent(pdev, PRD_ENTRIES * PRD_BYTES, - hwif->dmatable_cpu, hwif->dmatable_dma); + dma_free_coherent(hwif->dev, prd_size, + hwif->dmatable_cpu, hwif->dmatable_dma); hwif->dmatable_cpu = NULL; } } +EXPORT_SYMBOL_GPL(ide_release_dma_engine); int ide_allocate_dma_engine(ide_hwif_t *hwif) { - struct pci_dev *pdev = to_pci_dev(hwif->dev); + int prd_size; - hwif->dmatable_cpu = pci_alloc_consistent(pdev, - PRD_ENTRIES * PRD_BYTES, - &hwif->dmatable_dma); + if (hwif->prd_max_nents == 0) + hwif->prd_max_nents = PRD_ENTRIES; + if (hwif->prd_ent_size == 0) + hwif->prd_ent_size = PRD_BYTES; - if (hwif->dmatable_cpu) - return 0; + prd_size = hwif->prd_max_nents * hwif->prd_ent_size; - printk(KERN_ERR "%s: -- Error, unable to allocate DMA table.\n", + hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, prd_size, + &hwif->dmatable_dma, + GFP_ATOMIC); + if (hwif->dmatable_cpu == NULL) { + printk(KERN_ERR "%s: unable to allocate PRD table\n", hwif->name); + return -ENOMEM; + } - return 1; + return 0; } EXPORT_SYMBOL_GPL(ide_allocate_dma_engine); +#ifdef CONFIG_BLK_DEV_IDEDMA_SFF const struct ide_dma_ops sff_dma_ops = { .dma_host_set = ide_dma_host_set, .dma_setup = ide_dma_setup, diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index a498245dc213..083783e851d1 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -227,8 +227,7 @@ void ide_unregister(ide_hwif_t *hwif) kfree(hwif->sg_table); unregister_blkdev(hwif->major, hwif->name); - if (hwif->dma_base) - ide_release_dma_engine(hwif); + ide_release_dma_engine(hwif); mutex_unlock(&ide_cfg_mtx); } diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index f9e88cfec827..0ec8fd1e4dcb 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -427,10 +427,9 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) NUM_DESCRIPTORS); auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, NUM_DESCRIPTORS); - - hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, - PRD_ENTRIES * PRD_BYTES, /* 1 Page */ - &hwif->dmatable_dma, GFP_KERNEL); + + /* FIXME: check return value */ + (void)ide_allocate_dma_engine(hwif); au1xxx_dbdma_start( auide->tx_chan ); au1xxx_dbdma_start( auide->rx_chan ); diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 3e75bf5f5e37..9ce1d8059921 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -821,6 +821,12 @@ static void __devinit init_iops_scc(ide_hwif_t *hwif) init_mmio_iops_scc(hwif); } +static int __devinit scc_init_dma(ide_hwif_t *hwif, + const struct ide_port_info *d) +{ + return ide_allocate_dma_engine(hwif); +} + static u8 scc_cable_detect(ide_hwif_t *hwif) { return ATA_CBL_PATA80; @@ -885,6 +891,7 @@ static const struct ide_dma_ops scc_dma_ops = { { \ .name = name_str, \ .init_iops = init_iops_scc, \ + .init_dma = scc_init_dma, \ .init_hwif = init_hwif_scc, \ .tp_ops = &scc_tp_ops, \ .port_ops = &scc_port_ops, \ @@ -922,13 +929,6 @@ static void __devexit scc_remove(struct pci_dev *dev) { struct scc_ports *ports = pci_get_drvdata(dev); struct ide_host *host = ports->host; - ide_hwif_t *hwif = host->ports[0]; - - if (hwif->dmatable_cpu) { - pci_free_consistent(dev, PRD_ENTRIES * PRD_BYTES, - hwif->dmatable_cpu, hwif->dmatable_dma); - hwif->dmatable_cpu = NULL; - } ide_host_remove(host); diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 84cd986810cf..dd634541ce36 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -357,14 +357,13 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) } hwif->dma_base = (unsigned long) virt_dma_base; - hwif->dmatable_cpu = pci_alloc_consistent(dev, - IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, - &hwif->dmatable_dma); + hwif->sg_max_nents = IOC4_PRD_ENTRIES; - if (!hwif->dmatable_cpu) - goto dma_pci_alloc_failure; + hwif->prd_max_nents = IOC4_PRD_ENTRIES; + hwif->prd_ent_size = IOC4_PRD_BYTES; - hwif->sg_max_nents = IOC4_PRD_ENTRIES; + if (ide_allocate_dma_engine(hwif)) + goto dma_pci_alloc_failure; pad = pci_alloc_consistent(dev, IOC4_IDE_CACHELINE_SIZE, (dma_addr_t *)&hwif->extra_base); @@ -373,8 +372,8 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) return 0; } - pci_free_consistent(dev, IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, - hwif->dmatable_cpu, hwif->dmatable_dma); + ide_release_dma_engine(hwif); + printk(KERN_ERR "%s(%s) -- ERROR: Unable to allocate DMA maps\n", __func__, hwif->name); printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name); diff --git a/include/linux/ide.h b/include/linux/ide.h index 39aaff8ff457..8121aa9240c4 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -788,6 +788,12 @@ typedef struct hwif_s { unsigned int *dmatable_cpu; /* dma physical region descriptor table (dma view) */ dma_addr_t dmatable_dma; + + /* maximum number of PRD table entries */ + int prd_max_nents; + /* PRD entry size in bytes */ + int prd_ent_size; + /* Scatter-gather list used to build the above */ struct scatterlist *sg_table; int sg_max_nents; /* Maximum number of entries in it */ @@ -1423,14 +1429,14 @@ int ide_set_dma(ide_drive_t *); void ide_check_dma_crc(ide_drive_t *); ide_startstop_t ide_dma_intr(ide_drive_t *); +int ide_allocate_dma_engine(ide_hwif_t *); +void ide_release_dma_engine(ide_hwif_t *); + int ide_build_sglist(ide_drive_t *, struct request *); void ide_destroy_dmatable(ide_drive_t *); #ifdef CONFIG_BLK_DEV_IDEDMA_SFF extern int ide_build_dmatable(ide_drive_t *, struct request *); -int ide_allocate_dma_engine(ide_hwif_t *); -void ide_release_dma_engine(ide_hwif_t *); - void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); void ide_dma_exec_cmd(ide_drive_t *, u8); @@ -1453,11 +1459,8 @@ static inline void ide_dma_on(ide_drive_t *drive) { ; } static inline void ide_dma_verbose(ide_drive_t *drive) { ; } static inline int ide_set_dma(ide_drive_t *drive) { return 1; } static inline void ide_check_dma_crc(ide_drive_t *drive) { ; } -#endif /* CONFIG_BLK_DEV_IDEDMA */ - -#ifndef CONFIG_BLK_DEV_IDEDMA_SFF static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; } -#endif +#endif /* CONFIG_BLK_DEV_IDEDMA */ #ifdef CONFIG_BLK_DEV_IDEACPI extern int ide_acpi_exec_tfs(ide_drive_t *drive); -- GitLab From c19f7f226ba011843a31ee4f21a19c36fa5a3ead Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:47 +0200 Subject: [PATCH 4457/6244] ide: remove needless includes from ide-dma.c Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 3f949b5db353..83885ba0496c 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -28,21 +28,13 @@ * for supplying a Promise UDMA board & WD UDMA drive for this work! */ -#include #include #include -#include -#include -#include -#include -#include #include -#include #include #include #include -#include static const struct drive_list_entry drive_whitelist [] = { -- GitLab From 14c123f37187aba0b4e0e893a969efc6820c4170 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:47 +0200 Subject: [PATCH 4458/6244] ide: cleanup ide_build_dmatable() - use for_each_sg() - move printing 'DMA table too small' message below use_pio_instead label - merge '64KB bug' comment with function documentation - fix intendation There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 73 ++++++++++++++++++------------------------- 1 file changed, 30 insertions(+), 43 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 83885ba0496c..4d212b867c35 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -153,8 +153,11 @@ EXPORT_SYMBOL_GPL(ide_build_sglist); * * ide_build_dmatable() prepares a dma request. We map the command * to get the pci bus addresses of the buffers and then build up - * the PRD table that the IDE layer wants to be fed. The code - * knows about the 64K wrap bug in the CS5530. + * the PRD table that the IDE layer wants to be fed. + * + * Most chipsets correctly interpret a length of 0x0000 as 64KB, + * but at least one (e.g. CS5530) misinterprets it as zero (!). + * So we break the 64KB entry into two 32KB entries instead. * * Returns the number of built PRD entries if all went okay, * returns 0 otherwise. @@ -171,15 +174,12 @@ int ide_build_dmatable (ide_drive_t *drive, struct request *rq) int i; struct scatterlist *sg; - hwif->sg_nents = i = ide_build_sglist(drive, rq); - - if (!i) + hwif->sg_nents = ide_build_sglist(drive, rq); + if (hwif->sg_nents == 0) return 0; - sg = hwif->sg_table; - while (i) { - u32 cur_addr; - u32 cur_len; + for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) { + u32 cur_addr, cur_len, xcount, bcount; cur_addr = sg_dma_address(sg); cur_len = sg_dma_len(sg); @@ -191,40 +191,27 @@ int ide_build_dmatable (ide_drive_t *drive, struct request *rq) */ while (cur_len) { - if (count++ >= PRD_ENTRIES) { - printk(KERN_ERR "%s: DMA table too small\n", drive->name); + if (count++ >= PRD_ENTRIES) goto use_pio_instead; - } else { - u32 xcount, bcount = 0x10000 - (cur_addr & 0xffff); - - if (bcount > cur_len) - bcount = cur_len; - *table++ = cpu_to_le32(cur_addr); - xcount = bcount & 0xffff; - if (is_trm290) - xcount = ((xcount >> 2) - 1) << 16; - else if (xcount == 0x0000) { - /* - * Most chipsets correctly interpret a length of 0x0000 as 64KB, - * but at least one (e.g. CS5530) misinterprets it as zero (!). - * So here we break the 64KB entry into two 32KB entries instead. - */ - if (count++ >= PRD_ENTRIES) { - printk(KERN_ERR "%s: DMA table too small\n", drive->name); - goto use_pio_instead; - } - *table++ = cpu_to_le32(0x8000); - *table++ = cpu_to_le32(cur_addr + 0x8000); - xcount = 0x8000; - } - *table++ = cpu_to_le32(xcount); - cur_addr += bcount; - cur_len -= bcount; + + bcount = 0x10000 - (cur_addr & 0xffff); + if (bcount > cur_len) + bcount = cur_len; + *table++ = cpu_to_le32(cur_addr); + xcount = bcount & 0xffff; + if (is_trm290) + xcount = ((xcount >> 2) - 1) << 16; + if (xcount == 0x0000) { + if (count++ >= PRD_ENTRIES) + goto use_pio_instead; + *table++ = cpu_to_le32(0x8000); + *table++ = cpu_to_le32(cur_addr + 0x8000); + xcount = 0x8000; } + *table++ = cpu_to_le32(xcount); + cur_addr += bcount; + cur_len -= bcount; } - - sg = sg_next(sg); - i--; } if (count) { @@ -233,14 +220,14 @@ int ide_build_dmatable (ide_drive_t *drive, struct request *rq) return count; } - printk(KERN_ERR "%s: empty DMA table?\n", drive->name); - use_pio_instead: + printk(KERN_ERR "%s: %s\n", drive->name, + count ? "DMA table too small" : "empty DMA table?"); + ide_destroy_dmatable(drive); return 0; /* revert to PIO for this request */ } - EXPORT_SYMBOL_GPL(ide_build_dmatable); #endif -- GitLab From db3f99ef7c30d541e4a78931acf2c64abe3e26d1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:47 +0200 Subject: [PATCH 4459/6244] ide: cleanup ide-dma.c - s/HWIF(drive)/drive->hwif/ - s/HWGROUP(drive)/[drive->]hwif->hwgroup/ - fixup error messages in ide_dma_intr() & dma_timer_expiry() - fix checkpatch.pl errors/warnings Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-dma.c | 88 +++++++++++++++++++------------------------ 1 file changed, 38 insertions(+), 50 deletions(-) diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 4d212b867c35..d935a6ec022f 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -33,11 +33,9 @@ #include #include #include +#include -#include - -static const struct drive_list_entry drive_whitelist [] = { - +static const struct drive_list_entry drive_whitelist[] = { { "Micropolis 2112A" , NULL }, { "CONNER CTMA 4000" , NULL }, { "CONNER CTT8000-A" , NULL }, @@ -45,8 +43,7 @@ static const struct drive_list_entry drive_whitelist [] = { { NULL , NULL } }; -static const struct drive_list_entry drive_blacklist [] = { - +static const struct drive_list_entry drive_blacklist[] = { { "WDC AC11000H" , NULL }, { "WDC AC22100H" , NULL }, { "WDC AC32500H" , NULL }, @@ -86,11 +83,11 @@ static const struct drive_list_entry drive_blacklist [] = { * ide_dma_intr - IDE DMA interrupt handler * @drive: the drive the interrupt is for * - * Handle an interrupt completing a read/write DMA transfer on an + * Handle an interrupt completing a read/write DMA transfer on an * IDE device */ - -ide_startstop_t ide_dma_intr (ide_drive_t *drive) + +ide_startstop_t ide_dma_intr(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; u8 stat = 0, dma_stat = 0; @@ -100,17 +97,16 @@ ide_startstop_t ide_dma_intr (ide_drive_t *drive) if (OK_STAT(stat, DRIVE_READY, drive->bad_wstat | ATA_DRQ)) { if (!dma_stat) { - struct request *rq = HWGROUP(drive)->rq; + struct request *rq = hwif->hwgroup->rq; task_end_request(drive, rq, stat); return ide_stopped; } - printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n", - drive->name, dma_stat); + printk(KERN_ERR "%s: %s: bad DMA status (0x%02x)\n", + drive->name, __func__, dma_stat); } return ide_error(drive, "dma_intr", stat); } - EXPORT_SYMBOL_GPL(ide_dma_intr); static int ide_dma_good_drive(ide_drive_t *drive) @@ -131,7 +127,7 @@ static int ide_dma_good_drive(ide_drive_t *drive) int ide_build_sglist(ide_drive_t *drive, struct request *rq) { - ide_hwif_t *hwif = HWIF(drive); + ide_hwif_t *hwif = drive->hwif; struct scatterlist *sg = hwif->sg_table; ide_map_sg(drive, rq); @@ -144,7 +140,6 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq) return dma_map_sg(hwif->dev, sg, hwif->sg_nents, hwif->sg_dma_direction); } - EXPORT_SYMBOL_GPL(ide_build_sglist); #ifdef CONFIG_BLK_DEV_IDEDMA_SFF @@ -164,10 +159,10 @@ EXPORT_SYMBOL_GPL(ide_build_sglist); * * May also be invoked from trm290.c */ - -int ide_build_dmatable (ide_drive_t *drive, struct request *rq) + +int ide_build_dmatable(ide_drive_t *drive, struct request *rq) { - ide_hwif_t *hwif = HWIF(drive); + ide_hwif_t *hwif = drive->hwif; __le32 *table = (__le32 *)hwif->dmatable_cpu; unsigned int is_trm290 = (hwif->chipset == ide_trm290) ? 1 : 0; unsigned int count = 0; @@ -241,15 +236,14 @@ EXPORT_SYMBOL_GPL(ide_build_dmatable); * an oops as only one mapping can be live for each target at a given * time. */ - -void ide_destroy_dmatable (ide_drive_t *drive) + +void ide_destroy_dmatable(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; dma_unmap_sg(hwif->dev, hwif->sg_table, hwif->sg_nents, hwif->sg_dma_direction); } - EXPORT_SYMBOL_GPL(ide_destroy_dmatable); #ifdef CONFIG_BLK_DEV_IDEDMA_SFF @@ -263,8 +257,8 @@ EXPORT_SYMBOL_GPL(ide_destroy_dmatable); * to have DMA handling bugs are also set up appropriately based * on the good/bad drive lists. */ - -static int config_drive_for_dma (ide_drive_t *drive) + +static int config_drive_for_dma(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; u16 *id = drive->id; @@ -304,26 +298,26 @@ static int config_drive_for_dma (ide_drive_t *drive) * * An IDE DMA transfer timed out. In the event of an error we ask * the driver to resolve the problem, if a DMA transfer is still - * in progress we continue to wait (arguably we need to add a + * in progress we continue to wait (arguably we need to add a * secondary 'I don't care what the drive thinks' timeout here) * Finally if we have an interrupt we let it complete the I/O. * But only one time - we clear expiry and if it's still not * completed after WAIT_CMD, we error and retry in PIO. * This can occur if an interrupt is lost or due to hang or bugs. */ - -static int dma_timer_expiry (ide_drive_t *drive) + +static int dma_timer_expiry(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + ide_hwif_t *hwif = drive->hwif; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - printk(KERN_WARNING "%s: dma_timer_expiry: dma status == 0x%02x\n", - drive->name, dma_stat); + printk(KERN_WARNING "%s: %s: DMA status (0x%02x)\n", + drive->name, __func__, dma_stat); if ((dma_stat & 0x18) == 0x18) /* BUSY Stupid Early Timer !! */ return WAIT_CMD; - HWGROUP(drive)->expiry = NULL; /* one free ride for now */ + hwif->hwgroup->expiry = NULL; /* one free ride for now */ /* 1 dmaing, 2 error, 4 intr */ if (dma_stat & 2) /* ERROR */ @@ -348,9 +342,9 @@ static int dma_timer_expiry (ide_drive_t *drive) void ide_dma_host_set(ide_drive_t *drive, int on) { - ide_hwif_t *hwif = HWIF(drive); - u8 unit = drive->dn & 1; - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + ide_hwif_t *hwif = drive->hwif; + u8 unit = drive->dn & 1; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); if (on) dma_stat |= (1 << (5 + unit)); @@ -363,7 +357,6 @@ void ide_dma_host_set(ide_drive_t *drive, int on) else outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS); } - EXPORT_SYMBOL_GPL(ide_dma_host_set); #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ @@ -371,7 +364,7 @@ EXPORT_SYMBOL_GPL(ide_dma_host_set); * ide_dma_off_quietly - Generic DMA kill * @drive: drive to control * - * Turn off the current DMA on this IDE controller. + * Turn off the current DMA on this IDE controller. */ void ide_dma_off_quietly(ide_drive_t *drive) @@ -381,7 +374,6 @@ void ide_dma_off_quietly(ide_drive_t *drive) drive->hwif->dma_ops->dma_host_set(drive, 0); } - EXPORT_SYMBOL(ide_dma_off_quietly); /** @@ -397,7 +389,6 @@ void ide_dma_off(ide_drive_t *drive) printk(KERN_INFO "%s: DMA disabled\n", drive->name); ide_dma_off_quietly(drive); } - EXPORT_SYMBOL(ide_dma_off); /** @@ -426,13 +417,13 @@ void ide_dma_on(ide_drive_t *drive) * override this function if they need to * * Returns 0 on success. If a PIO fallback is required then 1 - * is returned. + * is returned. */ int ide_dma_setup(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct request *rq = HWGROUP(drive)->rq; + struct request *rq = hwif->hwgroup->rq; unsigned int reading; u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; u8 dma_stat; @@ -474,13 +465,13 @@ int ide_dma_setup(ide_drive_t *drive) drive->waiting_for_dma = 1; return 0; } - EXPORT_SYMBOL_GPL(ide_dma_setup); void ide_dma_exec_cmd(ide_drive_t *drive, u8 command) { /* issue cmd to drive */ - ide_execute_command(drive, command, &ide_dma_intr, 2*WAIT_CMD, dma_timer_expiry); + ide_execute_command(drive, command, &ide_dma_intr, 2 * WAIT_CMD, + dma_timer_expiry); } EXPORT_SYMBOL_GPL(ide_dma_exec_cmd); @@ -506,7 +497,6 @@ void ide_dma_start(ide_drive_t *drive) wmb(); } - EXPORT_SYMBOL_GPL(ide_dma_start); /* returns 1 on error, 0 otherwise */ @@ -550,8 +540,8 @@ EXPORT_SYMBOL_GPL(ide_dma_end); /* returns 1 if dma irq issued, 0 otherwise */ int ide_dma_test_irq(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + ide_hwif_t *hwif = drive->hwif; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); /* return 1 if INTR asserted */ if ((dma_stat & 4) == 4) @@ -564,7 +554,7 @@ EXPORT_SYMBOL_GPL(ide_dma_test_irq); static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ -int __ide_dma_bad_drive (ide_drive_t *drive) +int __ide_dma_bad_drive(ide_drive_t *drive) { u16 *id = drive->id; @@ -576,7 +566,6 @@ int __ide_dma_bad_drive (ide_drive_t *drive) } return 0; } - EXPORT_SYMBOL(__ide_dma_bad_drive); static const u8 xfer_mode_bases[] = { @@ -592,7 +581,7 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode) const struct ide_port_ops *port_ops = hwif->port_ops; unsigned int mask = 0; - switch(base) { + switch (base) { case XFER_UDMA_0: if ((id[ATA_ID_FIELD_VALID] & 4) == 0) break; @@ -693,7 +682,6 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode) return mode; } - EXPORT_SYMBOL_GPL(ide_find_dma_mode); static int ide_tune_dma(ide_drive_t *drive) @@ -810,7 +798,7 @@ EXPORT_SYMBOL_GPL(ide_dma_lost_irq); void ide_dma_timeout(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); + ide_hwif_t *hwif = drive->hwif; printk(KERN_ERR "%s: timeout waiting for DMA\n", drive->name); -- GitLab From 2dbe7e919eb696c86790797f8a814bef19a0d50a Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 21:39:47 +0200 Subject: [PATCH 4460/6244] ide: move SFF DMA code to ide-dma-sff.c Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 1 + drivers/ide/ide-dma-sff.c | 356 +++++++++++++++++++++++++++++++++++++ drivers/ide/ide-dma.c | 363 +------------------------------------- include/linux/ide.h | 4 + 4 files changed, 362 insertions(+), 362 deletions(-) create mode 100644 drivers/ide/ide-dma-sff.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index e6e7811812d2..0c30adb115c8 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -12,6 +12,7 @@ ide-core-$(CONFIG_IDE_TIMINGS) += ide-timings.o ide-core-$(CONFIG_IDE_ATAPI) += ide-atapi.o ide-core-$(CONFIG_BLK_DEV_IDEPCI) += setup-pci.o ide-core-$(CONFIG_BLK_DEV_IDEDMA) += ide-dma.o +ide-core-$(CONFIG_BLK_DEV_IDEDMA_SFF) += ide-dma-sff.o ide-core-$(CONFIG_IDE_PROC_FS) += ide-proc.o ide-core-$(CONFIG_BLK_DEV_IDEACPI) += ide-acpi.o diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c new file mode 100644 index 000000000000..0903782689e9 --- /dev/null +++ b/drivers/ide/ide-dma-sff.c @@ -0,0 +1,356 @@ +#include +#include +#include +#include +#include +#include + +/** + * config_drive_for_dma - attempt to activate IDE DMA + * @drive: the drive to place in DMA mode + * + * If the drive supports at least mode 2 DMA or UDMA of any kind + * then attempt to place it into DMA mode. Drives that are known to + * support DMA but predate the DMA properties or that are known + * to have DMA handling bugs are also set up appropriately based + * on the good/bad drive lists. + */ + +int config_drive_for_dma(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u16 *id = drive->id; + + if (drive->media != ide_disk) { + if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) + return 0; + } + + /* + * Enable DMA on any drive that has + * UltraDMA (mode 0/1/2/3/4/5/6) enabled + */ + if ((id[ATA_ID_FIELD_VALID] & 4) && + ((id[ATA_ID_UDMA_MODES] >> 8) & 0x7f)) + return 1; + + /* + * Enable DMA on any drive that has mode2 DMA + * (multi or single) enabled + */ + if (id[ATA_ID_FIELD_VALID] & 2) /* regular DMA */ + if ((id[ATA_ID_MWDMA_MODES] & 0x404) == 0x404 || + (id[ATA_ID_SWDMA_MODES] & 0x404) == 0x404) + return 1; + + /* Consult the list of known "good" drives */ + if (ide_dma_good_drive(drive)) + return 1; + + return 0; +} + +/** + * ide_dma_host_set - Enable/disable DMA on a host + * @drive: drive to control + * + * Enable/disable DMA on an IDE controller following generic + * bus-mastering IDE controller behaviour. + */ + +void ide_dma_host_set(ide_drive_t *drive, int on) +{ + ide_hwif_t *hwif = drive->hwif; + u8 unit = drive->dn & 1; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + if (on) + dma_stat |= (1 << (5 + unit)); + else + dma_stat &= ~(1 << (5 + unit)); + + if (hwif->host_flags & IDE_HFLAG_MMIO) + writeb(dma_stat, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS); +} +EXPORT_SYMBOL_GPL(ide_dma_host_set); + +/** + * ide_build_dmatable - build IDE DMA table + * + * ide_build_dmatable() prepares a dma request. We map the command + * to get the pci bus addresses of the buffers and then build up + * the PRD table that the IDE layer wants to be fed. + * + * Most chipsets correctly interpret a length of 0x0000 as 64KB, + * but at least one (e.g. CS5530) misinterprets it as zero (!). + * So we break the 64KB entry into two 32KB entries instead. + * + * Returns the number of built PRD entries if all went okay, + * returns 0 otherwise. + * + * May also be invoked from trm290.c + */ + +int ide_build_dmatable(ide_drive_t *drive, struct request *rq) +{ + ide_hwif_t *hwif = drive->hwif; + __le32 *table = (__le32 *)hwif->dmatable_cpu; + unsigned int is_trm290 = (hwif->chipset == ide_trm290) ? 1 : 0; + unsigned int count = 0; + int i; + struct scatterlist *sg; + + hwif->sg_nents = ide_build_sglist(drive, rq); + if (hwif->sg_nents == 0) + return 0; + + for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) { + u32 cur_addr, cur_len, xcount, bcount; + + cur_addr = sg_dma_address(sg); + cur_len = sg_dma_len(sg); + + /* + * Fill in the dma table, without crossing any 64kB boundaries. + * Most hardware requires 16-bit alignment of all blocks, + * but the trm290 requires 32-bit alignment. + */ + + while (cur_len) { + if (count++ >= PRD_ENTRIES) + goto use_pio_instead; + + bcount = 0x10000 - (cur_addr & 0xffff); + if (bcount > cur_len) + bcount = cur_len; + *table++ = cpu_to_le32(cur_addr); + xcount = bcount & 0xffff; + if (is_trm290) + xcount = ((xcount >> 2) - 1) << 16; + if (xcount == 0x0000) { + if (count++ >= PRD_ENTRIES) + goto use_pio_instead; + *table++ = cpu_to_le32(0x8000); + *table++ = cpu_to_le32(cur_addr + 0x8000); + xcount = 0x8000; + } + *table++ = cpu_to_le32(xcount); + cur_addr += bcount; + cur_len -= bcount; + } + } + + if (count) { + if (!is_trm290) + *--table |= cpu_to_le32(0x80000000); + return count; + } + +use_pio_instead: + printk(KERN_ERR "%s: %s\n", drive->name, + count ? "DMA table too small" : "empty DMA table?"); + + ide_destroy_dmatable(drive); + + return 0; /* revert to PIO for this request */ +} +EXPORT_SYMBOL_GPL(ide_build_dmatable); + +/** + * ide_dma_setup - begin a DMA phase + * @drive: target device + * + * Build an IDE DMA PRD (IDE speak for scatter gather table) + * and then set up the DMA transfer registers for a device + * that follows generic IDE PCI DMA behaviour. Controllers can + * override this function if they need to + * + * Returns 0 on success. If a PIO fallback is required then 1 + * is returned. + */ + +int ide_dma_setup(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + struct request *rq = hwif->hwgroup->rq; + unsigned int reading; + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + u8 dma_stat; + + if (rq_data_dir(rq)) + reading = 0; + else + reading = 1 << 3; + + /* fall back to pio! */ + if (!ide_build_dmatable(drive, rq)) { + ide_map_sg(drive, rq); + return 1; + } + + /* PRD table */ + if (hwif->host_flags & IDE_HFLAG_MMIO) + writel(hwif->dmatable_dma, + (void __iomem *)(hwif->dma_base + ATA_DMA_TABLE_OFS)); + else + outl(hwif->dmatable_dma, hwif->dma_base + ATA_DMA_TABLE_OFS); + + /* specify r/w */ + if (mmio) + writeb(reading, (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + else + outb(reading, hwif->dma_base + ATA_DMA_CMD); + + /* read DMA status for INTR & ERROR flags */ + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + /* clear INTR & ERROR flags */ + if (mmio) + writeb(dma_stat | 6, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); + + drive->waiting_for_dma = 1; + return 0; +} +EXPORT_SYMBOL_GPL(ide_dma_setup); + +/** + * dma_timer_expiry - handle a DMA timeout + * @drive: Drive that timed out + * + * An IDE DMA transfer timed out. In the event of an error we ask + * the driver to resolve the problem, if a DMA transfer is still + * in progress we continue to wait (arguably we need to add a + * secondary 'I don't care what the drive thinks' timeout here) + * Finally if we have an interrupt we let it complete the I/O. + * But only one time - we clear expiry and if it's still not + * completed after WAIT_CMD, we error and retry in PIO. + * This can occur if an interrupt is lost or due to hang or bugs. + */ + +static int dma_timer_expiry(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + printk(KERN_WARNING "%s: %s: DMA status (0x%02x)\n", + drive->name, __func__, dma_stat); + + if ((dma_stat & 0x18) == 0x18) /* BUSY Stupid Early Timer !! */ + return WAIT_CMD; + + hwif->hwgroup->expiry = NULL; /* one free ride for now */ + + /* 1 dmaing, 2 error, 4 intr */ + if (dma_stat & 2) /* ERROR */ + return -1; + + if (dma_stat & 1) /* DMAing */ + return WAIT_CMD; + + if (dma_stat & 4) /* Got an Interrupt */ + return WAIT_CMD; + + return 0; /* Status is unknown -- reset the bus */ +} + +void ide_dma_exec_cmd(ide_drive_t *drive, u8 command) +{ + /* issue cmd to drive */ + ide_execute_command(drive, command, &ide_dma_intr, 2 * WAIT_CMD, + dma_timer_expiry); +} +EXPORT_SYMBOL_GPL(ide_dma_exec_cmd); + +void ide_dma_start(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u8 dma_cmd; + + /* Note that this is done *after* the cmd has + * been issued to the drive, as per the BM-IDE spec. + * The Promise Ultra33 doesn't work correctly when + * we do this part before issuing the drive cmd. + */ + if (hwif->host_flags & IDE_HFLAG_MMIO) { + dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + /* start DMA */ + writeb(dma_cmd | 1, + (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + } else { + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); + outb(dma_cmd | 1, hwif->dma_base + ATA_DMA_CMD); + } + + wmb(); +} +EXPORT_SYMBOL_GPL(ide_dma_start); + +/* returns 1 on error, 0 otherwise */ +int ide_dma_end(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; + u8 dma_stat = 0, dma_cmd = 0; + + drive->waiting_for_dma = 0; + + if (mmio) { + /* get DMA command mode */ + dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + /* stop DMA */ + writeb(dma_cmd & ~1, + (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); + } else { + dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); + outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); + } + + /* get DMA status */ + dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + if (mmio) + /* clear the INTR & ERROR bits */ + writeb(dma_stat | 6, + (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); + else + outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); + + /* purge DMA mappings */ + ide_destroy_dmatable(drive); + /* verify good DMA status */ + wmb(); + return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; +} +EXPORT_SYMBOL_GPL(ide_dma_end); + +/* returns 1 if dma irq issued, 0 otherwise */ +int ide_dma_test_irq(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); + + /* return 1 if INTR asserted */ + if ((dma_stat & 4) == 4) + return 1; + + return 0; +} +EXPORT_SYMBOL_GPL(ide_dma_test_irq); + +const struct ide_dma_ops sff_dma_ops = { + .dma_host_set = ide_dma_host_set, + .dma_setup = ide_dma_setup, + .dma_exec_cmd = ide_dma_exec_cmd, + .dma_start = ide_dma_start, + .dma_end = ide_dma_end, + .dma_test_irq = ide_dma_test_irq, + .dma_timeout = ide_dma_timeout, + .dma_lost_irq = ide_dma_lost_irq, +}; +EXPORT_SYMBOL_GPL(sff_dma_ops); diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index d935a6ec022f..fffd11717b2d 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -33,7 +33,6 @@ #include #include #include -#include static const struct drive_list_entry drive_whitelist[] = { { "Micropolis 2112A" , NULL }, @@ -109,7 +108,7 @@ ide_startstop_t ide_dma_intr(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_dma_intr); -static int ide_dma_good_drive(ide_drive_t *drive) +int ide_dma_good_drive(ide_drive_t *drive) { return ide_in_drive_list(drive->id, drive_whitelist); } @@ -142,90 +141,6 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq) } EXPORT_SYMBOL_GPL(ide_build_sglist); -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -/** - * ide_build_dmatable - build IDE DMA table - * - * ide_build_dmatable() prepares a dma request. We map the command - * to get the pci bus addresses of the buffers and then build up - * the PRD table that the IDE layer wants to be fed. - * - * Most chipsets correctly interpret a length of 0x0000 as 64KB, - * but at least one (e.g. CS5530) misinterprets it as zero (!). - * So we break the 64KB entry into two 32KB entries instead. - * - * Returns the number of built PRD entries if all went okay, - * returns 0 otherwise. - * - * May also be invoked from trm290.c - */ - -int ide_build_dmatable(ide_drive_t *drive, struct request *rq) -{ - ide_hwif_t *hwif = drive->hwif; - __le32 *table = (__le32 *)hwif->dmatable_cpu; - unsigned int is_trm290 = (hwif->chipset == ide_trm290) ? 1 : 0; - unsigned int count = 0; - int i; - struct scatterlist *sg; - - hwif->sg_nents = ide_build_sglist(drive, rq); - if (hwif->sg_nents == 0) - return 0; - - for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) { - u32 cur_addr, cur_len, xcount, bcount; - - cur_addr = sg_dma_address(sg); - cur_len = sg_dma_len(sg); - - /* - * Fill in the dma table, without crossing any 64kB boundaries. - * Most hardware requires 16-bit alignment of all blocks, - * but the trm290 requires 32-bit alignment. - */ - - while (cur_len) { - if (count++ >= PRD_ENTRIES) - goto use_pio_instead; - - bcount = 0x10000 - (cur_addr & 0xffff); - if (bcount > cur_len) - bcount = cur_len; - *table++ = cpu_to_le32(cur_addr); - xcount = bcount & 0xffff; - if (is_trm290) - xcount = ((xcount >> 2) - 1) << 16; - if (xcount == 0x0000) { - if (count++ >= PRD_ENTRIES) - goto use_pio_instead; - *table++ = cpu_to_le32(0x8000); - *table++ = cpu_to_le32(cur_addr + 0x8000); - xcount = 0x8000; - } - *table++ = cpu_to_le32(xcount); - cur_addr += bcount; - cur_len -= bcount; - } - } - - if (count) { - if (!is_trm290) - *--table |= cpu_to_le32(0x80000000); - return count; - } - -use_pio_instead: - printk(KERN_ERR "%s: %s\n", drive->name, - count ? "DMA table too small" : "empty DMA table?"); - - ide_destroy_dmatable(drive); - - return 0; /* revert to PIO for this request */ -} -EXPORT_SYMBOL_GPL(ide_build_dmatable); -#endif - /** * ide_destroy_dmatable - clean up DMA mapping * @drive: The drive to unmap @@ -246,120 +161,6 @@ void ide_destroy_dmatable(ide_drive_t *drive) } EXPORT_SYMBOL_GPL(ide_destroy_dmatable); -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -/** - * config_drive_for_dma - attempt to activate IDE DMA - * @drive: the drive to place in DMA mode - * - * If the drive supports at least mode 2 DMA or UDMA of any kind - * then attempt to place it into DMA mode. Drives that are known to - * support DMA but predate the DMA properties or that are known - * to have DMA handling bugs are also set up appropriately based - * on the good/bad drive lists. - */ - -static int config_drive_for_dma(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u16 *id = drive->id; - - if (drive->media != ide_disk) { - if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA) - return 0; - } - - /* - * Enable DMA on any drive that has - * UltraDMA (mode 0/1/2/3/4/5/6) enabled - */ - if ((id[ATA_ID_FIELD_VALID] & 4) && - ((id[ATA_ID_UDMA_MODES] >> 8) & 0x7f)) - return 1; - - /* - * Enable DMA on any drive that has mode2 DMA - * (multi or single) enabled - */ - if (id[ATA_ID_FIELD_VALID] & 2) /* regular DMA */ - if ((id[ATA_ID_MWDMA_MODES] & 0x404) == 0x404 || - (id[ATA_ID_SWDMA_MODES] & 0x404) == 0x404) - return 1; - - /* Consult the list of known "good" drives */ - if (ide_dma_good_drive(drive)) - return 1; - - return 0; -} - -/** - * dma_timer_expiry - handle a DMA timeout - * @drive: Drive that timed out - * - * An IDE DMA transfer timed out. In the event of an error we ask - * the driver to resolve the problem, if a DMA transfer is still - * in progress we continue to wait (arguably we need to add a - * secondary 'I don't care what the drive thinks' timeout here) - * Finally if we have an interrupt we let it complete the I/O. - * But only one time - we clear expiry and if it's still not - * completed after WAIT_CMD, we error and retry in PIO. - * This can occur if an interrupt is lost or due to hang or bugs. - */ - -static int dma_timer_expiry(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - - printk(KERN_WARNING "%s: %s: DMA status (0x%02x)\n", - drive->name, __func__, dma_stat); - - if ((dma_stat & 0x18) == 0x18) /* BUSY Stupid Early Timer !! */ - return WAIT_CMD; - - hwif->hwgroup->expiry = NULL; /* one free ride for now */ - - /* 1 dmaing, 2 error, 4 intr */ - if (dma_stat & 2) /* ERROR */ - return -1; - - if (dma_stat & 1) /* DMAing */ - return WAIT_CMD; - - if (dma_stat & 4) /* Got an Interrupt */ - return WAIT_CMD; - - return 0; /* Status is unknown -- reset the bus */ -} - -/** - * ide_dma_host_set - Enable/disable DMA on a host - * @drive: drive to control - * - * Enable/disable DMA on an IDE controller following generic - * bus-mastering IDE controller behaviour. - */ - -void ide_dma_host_set(ide_drive_t *drive, int on) -{ - ide_hwif_t *hwif = drive->hwif; - u8 unit = drive->dn & 1; - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - - if (on) - dma_stat |= (1 << (5 + unit)); - else - dma_stat &= ~(1 << (5 + unit)); - - if (hwif->host_flags & IDE_HFLAG_MMIO) - writeb(dma_stat, - (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); - else - outb(dma_stat, hwif->dma_base + ATA_DMA_STATUS); -} -EXPORT_SYMBOL_GPL(ide_dma_host_set); -#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ - /** * ide_dma_off_quietly - Generic DMA kill * @drive: drive to control @@ -406,154 +207,6 @@ void ide_dma_on(ide_drive_t *drive) drive->hwif->dma_ops->dma_host_set(drive, 1); } -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -/** - * ide_dma_setup - begin a DMA phase - * @drive: target device - * - * Build an IDE DMA PRD (IDE speak for scatter gather table) - * and then set up the DMA transfer registers for a device - * that follows generic IDE PCI DMA behaviour. Controllers can - * override this function if they need to - * - * Returns 0 on success. If a PIO fallback is required then 1 - * is returned. - */ - -int ide_dma_setup(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - struct request *rq = hwif->hwgroup->rq; - unsigned int reading; - u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; - u8 dma_stat; - - if (rq_data_dir(rq)) - reading = 0; - else - reading = 1 << 3; - - /* fall back to pio! */ - if (!ide_build_dmatable(drive, rq)) { - ide_map_sg(drive, rq); - return 1; - } - - /* PRD table */ - if (hwif->host_flags & IDE_HFLAG_MMIO) - writel(hwif->dmatable_dma, - (void __iomem *)(hwif->dma_base + ATA_DMA_TABLE_OFS)); - else - outl(hwif->dmatable_dma, hwif->dma_base + ATA_DMA_TABLE_OFS); - - /* specify r/w */ - if (mmio) - writeb(reading, (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); - else - outb(reading, hwif->dma_base + ATA_DMA_CMD); - - /* read DMA status for INTR & ERROR flags */ - dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - - /* clear INTR & ERROR flags */ - if (mmio) - writeb(dma_stat | 6, - (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); - else - outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); - - drive->waiting_for_dma = 1; - return 0; -} -EXPORT_SYMBOL_GPL(ide_dma_setup); - -void ide_dma_exec_cmd(ide_drive_t *drive, u8 command) -{ - /* issue cmd to drive */ - ide_execute_command(drive, command, &ide_dma_intr, 2 * WAIT_CMD, - dma_timer_expiry); -} -EXPORT_SYMBOL_GPL(ide_dma_exec_cmd); - -void ide_dma_start(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 dma_cmd; - - /* Note that this is done *after* the cmd has - * been issued to the drive, as per the BM-IDE spec. - * The Promise Ultra33 doesn't work correctly when - * we do this part before issuing the drive cmd. - */ - if (hwif->host_flags & IDE_HFLAG_MMIO) { - dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); - /* start DMA */ - writeb(dma_cmd | 1, - (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); - } else { - dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); - outb(dma_cmd | 1, hwif->dma_base + ATA_DMA_CMD); - } - - wmb(); -} -EXPORT_SYMBOL_GPL(ide_dma_start); - -/* returns 1 on error, 0 otherwise */ -int ide_dma_end(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; - u8 dma_stat = 0, dma_cmd = 0; - - drive->waiting_for_dma = 0; - - if (mmio) { - /* get DMA command mode */ - dma_cmd = readb((void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); - /* stop DMA */ - writeb(dma_cmd & ~1, - (void __iomem *)(hwif->dma_base + ATA_DMA_CMD)); - } else { - dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); - outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD); - } - - /* get DMA status */ - dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - - if (mmio) - /* clear the INTR & ERROR bits */ - writeb(dma_stat | 6, - (void __iomem *)(hwif->dma_base + ATA_DMA_STATUS)); - else - outb(dma_stat | 6, hwif->dma_base + ATA_DMA_STATUS); - - /* purge DMA mappings */ - ide_destroy_dmatable(drive); - /* verify good DMA status */ - wmb(); - return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; -} -EXPORT_SYMBOL_GPL(ide_dma_end); - -/* returns 1 if dma irq issued, 0 otherwise */ -int ide_dma_test_irq(ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 dma_stat = hwif->tp_ops->read_sff_dma_status(hwif); - - /* return 1 if INTR asserted */ - if ((dma_stat & 4) == 4) - return 1; - - return 0; -} -EXPORT_SYMBOL_GPL(ide_dma_test_irq); -#else -static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } -#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ - int __ide_dma_bad_drive(ide_drive_t *drive) { u16 *id = drive->id; @@ -846,17 +499,3 @@ int ide_allocate_dma_engine(ide_hwif_t *hwif) return 0; } EXPORT_SYMBOL_GPL(ide_allocate_dma_engine); - -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -const struct ide_dma_ops sff_dma_ops = { - .dma_host_set = ide_dma_host_set, - .dma_setup = ide_dma_setup, - .dma_exec_cmd = ide_dma_exec_cmd, - .dma_start = ide_dma_start, - .dma_end = ide_dma_end, - .dma_test_irq = ide_dma_test_irq, - .dma_timeout = ide_dma_timeout, - .dma_lost_irq = ide_dma_lost_irq, -}; -EXPORT_SYMBOL_GPL(sff_dma_ops); -#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 8121aa9240c4..5a39dab2cc91 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1412,6 +1412,7 @@ struct drive_list_entry { int ide_in_drive_list(u16 *, const struct drive_list_entry *); #ifdef CONFIG_BLK_DEV_IDEDMA +int ide_dma_good_drive(ide_drive_t *); int __ide_dma_bad_drive(ide_drive_t *); int ide_id_dma_bug(ide_drive_t *); @@ -1436,6 +1437,7 @@ int ide_build_sglist(ide_drive_t *, struct request *); void ide_destroy_dmatable(ide_drive_t *); #ifdef CONFIG_BLK_DEV_IDEDMA_SFF +int config_drive_for_dma(ide_drive_t *); extern int ide_build_dmatable(ide_drive_t *, struct request *); void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); @@ -1444,6 +1446,8 @@ extern void ide_dma_start(ide_drive_t *); int ide_dma_end(ide_drive_t *); int ide_dma_test_irq(ide_drive_t *); extern const struct ide_dma_ops sff_dma_ops; +#else +static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ void ide_dma_lost_irq(ide_drive_t *); -- GitLab From fc8323f793852ca1fcb58d96512fd71d39af2e9b Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:48 +0200 Subject: [PATCH 4461/6244] ide-cd: convert driver to new ide debugging macro (v3) Also, - leave in the possibility for optimizing away all debugging macros - add a PFX macro and prepend all printk calls with it for consistency - add debug macro calls in important driver paths - remove #if 0-ed code - mv restore_request -> ide_cd_restore_request - add a driver registration printk v2: failed_command can be NULL so check it before accessing it v3: fix another NULL ptr in debug statement There should be no functionality change resulting from this patch. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 187 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 150 insertions(+), 37 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 880d6d042fc8..52e4bbdfd4a8 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -23,6 +23,9 @@ * Documentation/ide/ChangeLog.ide-cd.1994-2004 */ +#define DRV_NAME "ide-cd" +#define PFX DRV_NAME ": " + #define IDECD_VERSION "5.00" #include @@ -50,6 +53,14 @@ #include "ide-cd.h" +#define IDECD_DEBUG_LOG 1 + +#if IDECD_DEBUG_LOG +#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args) +#else +#define ide_debug_log(lvl, fmt, args...) do {} while (0) +#endif + static DEFINE_MUTEX(idecd_ref_mutex); static void ide_cd_release(struct kref *); @@ -97,6 +108,9 @@ static int cdrom_log_sense(ide_drive_t *drive, struct request *rq, { int log = 0; + ide_debug_log(IDE_DBG_SENSE, "Call %s, sense_key: 0x%x\n", __func__, + sense->sense_key); + if (!sense || !rq || (rq->cmd_flags & REQ_QUIET)) return 0; @@ -145,6 +159,14 @@ static void cdrom_analyze_sense_data(ide_drive_t *drive, unsigned long bio_sectors; struct cdrom_info *info = drive->driver_data; + ide_debug_log(IDE_DBG_SENSE, "Call %s, error_code: 0x%x, " + "sense_key: 0x%x\n", __func__, sense->error_code, + sense->sense_key); + + if (failed_command) + ide_debug_log(IDE_DBG_SENSE, "%s: failed cmd: 0x%x\n", + __func__, failed_command->cmd[0]); + if (!cdrom_log_sense(drive, failed_command, sense)) return; @@ -195,6 +217,8 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, struct cdrom_info *info = drive->driver_data; struct request *rq = &info->request_sense_request; + ide_debug_log(IDE_DBG_SENSE, "Call %s\n", __func__); + if (sense == NULL) sense = &info->sense_data; @@ -214,6 +238,10 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, /* NOTE! Save the failed command in "rq->buffer" */ rq->buffer = (void *) failed_command; + if (failed_command) + ide_debug_log(IDE_DBG_SENSE, "failed_cmd: 0x%x\n", + failed_command->cmd[0]); + ide_do_drive_cmd(drive, rq); } @@ -222,6 +250,10 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate) struct request *rq = HWGROUP(drive)->rq; int nsectors = rq->hard_cur_sectors; + ide_debug_log(IDE_DBG_FUNC, "Call %s, cmd: 0x%x, uptodate: 0x%x, " + "nsectors: %d\n", __func__, rq->cmd[0], uptodate, + nsectors); + if (blk_sense_request(rq) && uptodate) { /* * For REQ_TYPE_SENSE, "rq->buffer" points to the original @@ -264,6 +296,9 @@ static void cdrom_end_request(ide_drive_t *drive, int uptodate) if (!nsectors) nsectors = 1; + ide_debug_log(IDE_DBG_FUNC, "Exit %s, uptodate: 0x%x, nsectors: %d\n", + __func__, uptodate, nsectors); + ide_end_request(drive, uptodate, nsectors); } @@ -299,11 +334,15 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) sense_key = err >> 4; if (rq == NULL) { - printk(KERN_ERR "%s: missing rq in %s\n", + printk(KERN_ERR PFX "%s: missing rq in %s\n", drive->name, __func__); return 1; } + ide_debug_log(IDE_DBG_RQ, "%s: stat: 0x%x, good_stat: 0x%x, " + "rq->cmd_type: 0x%x, err: 0x%x\n", __func__, stat, + good_stat, rq->cmd_type, err); + if (blk_sense_request(rq)) { /* * We got an error trying to get sense info from the drive @@ -369,7 +408,8 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) cdrom_saw_media_change(drive); /* fail the request */ - printk(KERN_ERR "%s: tray open\n", drive->name); + printk(KERN_ERR PFX "%s: tray open\n", + drive->name); do_end_request = 1; } else { struct cdrom_info *info = drive->driver_data; @@ -455,7 +495,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) if (stat & ATA_ERR) cdrom_queue_request_sense(drive, NULL, NULL); } else { - blk_dump_rq_flags(rq, "ide-cd: bad rq"); + blk_dump_rq_flags(rq, PFX "bad rq"); cdrom_end_request(drive, 0); } @@ -483,6 +523,9 @@ static int cdrom_timer_expiry(ide_drive_t *drive) struct request *rq = HWGROUP(drive)->rq; unsigned long wait = 0; + ide_debug_log(IDE_DBG_RQ, "Call %s: rq->cmd[0]: 0x%x\n", __func__, + rq->cmd[0]); + /* * Some commands are *slow* and normally take a long time to complete. * Usually we can use the ATAPI "disconnect" to bypass this, but not all @@ -499,7 +542,7 @@ static int cdrom_timer_expiry(ide_drive_t *drive) break; default: if (!(rq->cmd_flags & REQ_QUIET)) - printk(KERN_INFO "ide-cd: cmd 0x%x timed out\n", + printk(KERN_INFO PFX "cmd 0x%x timed out\n", rq->cmd[0]); wait = 0; break; @@ -522,6 +565,8 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, struct cdrom_info *info = drive->driver_data; ide_hwif_t *hwif = drive->hwif; + ide_debug_log(IDE_DBG_PC, "Call %s, xferlen: %d\n", __func__, xferlen); + /* FIXME: for Virtual DMA we must check harder */ if (info->dma) info->dma = !hwif->dma_ops->dma_setup(drive); @@ -562,6 +607,8 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, struct cdrom_info *info = drive->driver_data; ide_startstop_t startstop; + ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__); + if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { /* * Here we should have been called after receiving an interrupt @@ -610,6 +657,9 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, { ide_hwif_t *hwif = drive->hwif; + ide_debug_log(IDE_DBG_FUNC, "Call %s, ireason: 0x%x, rw: 0x%x\n", + __func__, ireason, rw); + /* * ireason == 0: the drive wants to receive data from us * ireason == 2: the drive is expecting to transfer data to us @@ -619,7 +669,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, else if (ireason == (rw << 1)) { /* whoops... */ - printk(KERN_ERR "%s: %s: wrong transfer direction!\n", + printk(KERN_ERR PFX "%s: %s: wrong transfer direction!\n", drive->name, __func__); ide_pad_transfer(drive, rw, len); @@ -632,7 +682,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, return 0; } else { /* drive wants a command packet, or invalid ireason... */ - printk(KERN_ERR "%s: %s: bad interrupt reason 0x%02x\n", + printk(KERN_ERR PFX "%s: %s: bad interrupt reason 0x%02x\n", drive->name, __func__, ireason); } @@ -649,17 +699,19 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq, */ static int ide_cd_check_transfer_size(ide_drive_t *drive, int len) { + ide_debug_log(IDE_DBG_FUNC, "Call %s, len: %d\n", __func__, len); + if ((len % SECTOR_SIZE) == 0) return 0; - printk(KERN_ERR "%s: %s: Bad transfer size %d\n", - drive->name, __func__, len); + printk(KERN_ERR PFX "%s: %s: Bad transfer size %d\n", drive->name, + __func__, len); if (drive->atapi_flags & IDE_AFLAG_LIMIT_NFRAMES) - printk(KERN_ERR " This drive is not supported by " - "this version of the driver\n"); + printk(KERN_ERR PFX "This drive is not supported by this " + "version of the driver\n"); else { - printk(KERN_ERR " Trying to limit transfer sizes\n"); + printk(KERN_ERR PFX "Trying to limit transfer sizes\n"); drive->atapi_flags |= IDE_AFLAG_LIMIT_NFRAMES; } @@ -671,6 +723,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *); static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, struct request *rq) { + ide_debug_log(IDE_DBG_RQ, "Call %s: rq->cmd_flags: 0x%x\n", __func__, + rq->cmd_flags); + if (rq_data_dir(rq) == READ) { unsigned short sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; @@ -690,7 +745,7 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, /* sanity check... */ if (rq->current_nr_sectors != bio_cur_sectors(rq->bio)) { - printk(KERN_ERR "%s: %s: buffer botch (%u)\n", + printk(KERN_ERR PFX "%s: %s: buffer botch (%u)\n", drive->name, __func__, rq->current_nr_sectors); cdrom_end_request(drive, 0); @@ -699,11 +754,7 @@ static ide_startstop_t ide_cd_prepare_rw_request(ide_drive_t *drive, rq->current_nr_sectors += nskip; } } -#if 0 - else - /* the immediate bit */ - rq->cmd[1] = 1 << 3; -#endif + /* set up the command */ rq->timeout = ATAPI_WAIT_PC; @@ -734,6 +785,8 @@ static ide_startstop_t cdrom_seek_intr(ide_drive_t *drive) int stat; static int retry = 10; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + if (cdrom_decode_status(drive, 0, &stat)) return ide_stopped; @@ -750,6 +803,8 @@ static void ide_cd_prepare_seek_request(ide_drive_t *drive, struct request *rq) { sector_t frame = rq->sector; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + sector_div(frame, queue_hardsect_size(drive->queue) >> SECTOR_BITS); memset(rq->cmd, 0, BLK_MAX_CDB); @@ -770,8 +825,11 @@ static ide_startstop_t cdrom_start_seek_continuation(ide_drive_t *drive) * Fix up a possibly partially-processed request so that we can start it over * entirely, or even put it back on the request queue. */ -static void restore_request(struct request *rq) +static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq) { + + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + if (rq->buffer != bio_data(rq->bio)) { sector_t n = (rq->buffer - (char *)bio_data(rq->bio)) / SECTOR_SIZE; @@ -790,8 +848,11 @@ static void restore_request(struct request *rq) /* * All other packet commands. */ -static void ide_cd_request_sense_fixup(struct request *rq) +static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq) { + + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + /* * Some of the trailing request sense fields are optional, * and some drives don't send them. Sigh. @@ -817,6 +878,10 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd, if (!sense) sense = &local_sense; + ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, " + "timeout: %d, cmd_flags: 0x%x\n", __func__, cmd[0], write, + timeout, cmd_flags); + /* start of retry loop */ do { struct request *rq; @@ -900,13 +965,16 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) u16 len; u8 ireason; + ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x\n", + __func__, rq->cmd[0], write); + /* check for errors */ dma = info->dma; if (dma) { info->dma = 0; dma_error = hwif->dma_ops->dma_end(drive); if (dma_error) { - printk(KERN_ERR "%s: DMA %s error\n", drive->name, + printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name, write ? "write" : "read"); ide_dma_off(drive); } @@ -932,6 +1000,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) if (thislen > len) thislen = len; + ide_debug_log(IDE_DBG_PC, "%s: DRQ: stat: 0x%x, thislen: %d\n", + __func__, stat, thislen); + /* If DRQ is clear, the command has completed. */ if ((stat & ATA_DRQ) == 0) { if (blk_fs_request(rq)) { @@ -941,7 +1012,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) */ uptodate = 1; if (rq->current_nr_sectors > 0) { - printk(KERN_ERR "%s: %s: data underrun " + printk(KERN_ERR PFX "%s: %s: data underrun " "(%d blocks)\n", drive->name, __func__, rq->current_nr_sectors); @@ -952,7 +1023,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) cdrom_end_request(drive, uptodate); return ide_stopped; } else if (!blk_pc_request(rq)) { - ide_cd_request_sense_fixup(rq); + ide_cd_request_sense_fixup(drive, rq); /* complain if we still have data left to transfer */ uptodate = rq->data_len ? 0 : 1; } @@ -995,6 +1066,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) xferfunc = hwif->tp_ops->input_data; } + ide_debug_log(IDE_DBG_PC, "%s: data transfer, rq->cmd_type: 0x%x, " + "ireason: 0x%x\n", __func__, rq->cmd_type, ireason); + /* transfer data */ while (thislen > 0) { u8 *ptr = blk_fs_request(rq) ? NULL : rq->data; @@ -1019,7 +1093,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) */ ide_pad_transfer(drive, 0, thislen); else { - printk(KERN_ERR "%s: confused, missing data\n", + printk(KERN_ERR PFX "%s: confused, missing data\n", drive->name); blk_dump_rq_flags(rq, rq_data_dir(rq) ? "cdrom_newpc_intr, write" @@ -1106,6 +1180,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) unsigned short sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; + ide_debug_log(IDE_DBG_RQ, "Call %s, write: 0x%x, secs_per_frame: %u\n", + __func__, write, sectors_per_frame); + if (write) { /* disk has become write protected */ if (get_disk_ro(cd->disk)) { @@ -1117,7 +1194,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) * We may be retrying this request after an error. Fix up any * weirdness which might be present in the request packet. */ - restore_request(rq); + ide_cd_restore_request(drive, rq); } /* use DMA, if possible / writes *must* be hardware frame aligned */ @@ -1148,6 +1225,9 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) { struct cdrom_info *info = drive->driver_data; + ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__, + rq->cmd_type); + if (blk_pc_request(rq)) rq->cmd_flags |= REQ_QUIET; else @@ -1191,6 +1271,9 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, ide_handler_t *fn; int xferlen; + ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd_type: 0x%x, block: %llu\n", + __func__, rq->cmd_type, (u64)block); + if (blk_fs_request(rq)) { if (drive->atapi_flags & IDE_AFLAG_SEEKING) { ide_hwif_t *hwif = drive->hwif; @@ -1203,7 +1286,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, IDECD_SEEK_TIMER); return ide_stopped; } - printk(KERN_ERR "%s: DSC timeout\n", + printk(KERN_ERR PFX "%s: DSC timeout\n", drive->name); } drive->atapi_flags &= ~IDE_AFLAG_SEEKING; @@ -1244,7 +1327,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, cdrom_end_request(drive, 1); return ide_stopped; } else { - blk_dump_rq_flags(rq, "ide-cd bad flags"); + blk_dump_rq_flags(rq, DRV_NAME " bad flags"); cdrom_end_request(drive, 0); return ide_stopped; } @@ -1274,6 +1357,8 @@ int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) struct cdrom_device_info *cdi = &info->devinfo; unsigned char cmd[BLK_MAX_CDB]; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + memset(cmd, 0, BLK_MAX_CDB); cmd[0] = GPCMD_TEST_UNIT_READY; @@ -1300,6 +1385,8 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, unsigned len = sizeof(capbuf); u32 blocklen; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + memset(cmd, 0, BLK_MAX_CDB); cmd[0] = GPCMD_READ_CDVD_CAPACITY; @@ -1319,10 +1406,10 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, case 4096: break; default: - printk(KERN_ERR "%s: weird block size %u\n", - drive->name, blocklen); - printk(KERN_ERR "%s: default to 2kb block size\n", - drive->name); + printk(KERN_ERR PFX "%s: weird block size %u\n", + drive->name, blocklen); + printk(KERN_ERR PFX "%s: default to 2kb block size\n", + drive->name); blocklen = 2048; break; } @@ -1338,6 +1425,8 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag, { unsigned char cmd[BLK_MAX_CDB]; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + memset(cmd, 0, BLK_MAX_CDB); cmd[0] = GPCMD_READ_TOC_PMA_ATIP; @@ -1366,11 +1455,13 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) long last_written; unsigned long sectors_per_frame = SECTORS_PER_FRAME; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + if (toc == NULL) { /* try to allocate space */ toc = kmalloc(sizeof(struct atapi_toc), GFP_KERNEL); if (toc == NULL) { - printk(KERN_ERR "%s: No cdrom TOC buffer!\n", + printk(KERN_ERR PFX "%s: No cdrom TOC buffer!\n", drive->name); return -ENOMEM; } @@ -1526,6 +1617,8 @@ int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf) struct packet_command cgc; int stat, attempts = 3, size = ATAPI_CAPABILITIES_PAGE_SIZE; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + if ((drive->atapi_flags & IDE_AFLAG_FULL_CAPS_PAGE) == 0) size -= ATAPI_CAPABILITIES_PAGE_PAD_SIZE; @@ -1544,6 +1637,8 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf) struct cdrom_info *cd = drive->driver_data; u16 curspeed, maxspeed; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + if (drive->atapi_flags & IDE_AFLAG_LE_SPEED_FIELDS) { curspeed = le16_to_cpup((__le16 *)&buf[8 + 14]); maxspeed = le16_to_cpup((__le16 *)&buf[8 + 8]); @@ -1584,6 +1679,8 @@ static int ide_cdrom_register(ide_drive_t *drive, int nslots) struct cdrom_info *info = drive->driver_data; struct cdrom_device_info *devinfo = &info->devinfo; + ide_debug_log(IDE_DBG_PROBE, "Call %s, nslots: %d\n", __func__, nslots); + devinfo->ops = &ide_cdrom_dops; devinfo->speed = info->current_speed; devinfo->capacity = nslots; @@ -1605,13 +1702,17 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) mechtype_t mechtype; int nslots = 1; + ide_debug_log(IDE_DBG_PROBE, "Call %s, drive->media: 0x%x, " + "drive->atapi_flags: 0x%lx\n", __func__, drive->media, + drive->atapi_flags); + cdi->mask = (CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R | CDC_DVD_RAM | CDC_SELECT_DISC | CDC_PLAY_AUDIO | CDC_MO_DRIVE | CDC_RAM); if (drive->media == ide_optical) { cdi->mask &= ~(CDC_MO_DRIVE | CDC_RAM); - printk(KERN_ERR "%s: ATAPI magneto-optical drive\n", + printk(KERN_ERR PFX "%s: ATAPI magneto-optical drive\n", drive->name); return nslots; } @@ -1669,7 +1770,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) ide_cdrom_update_speed(drive, buf); - printk(KERN_INFO "%s: ATAPI", drive->name); + printk(KERN_INFO PFX "%s: ATAPI", drive->name); /* don't print speed if the drive reported 0 */ if (cd->max_speed) @@ -1692,7 +1793,8 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive) else printk(KERN_CONT " drive"); - printk(KERN_CONT ", %dkB Cache\n", be16_to_cpup((__be16 *)&buf[8 + 12])); + printk(KERN_CONT ", %dkB Cache\n", + be16_to_cpup((__be16 *)&buf[8 + 12])); return nslots; } @@ -1879,6 +1981,8 @@ static int ide_cdrom_setup(ide_drive_t *drive) char *fw_rev = (char *)&id[ATA_ID_FW_REV]; int nslots; + ide_debug_log(IDE_DBG_PROBE, "Call %s\n", __func__); + blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn); blk_queue_dma_alignment(drive->queue, 31); blk_queue_update_dma_pad(drive->queue, 15); @@ -1911,7 +2015,7 @@ static int ide_cdrom_setup(ide_drive_t *drive) drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP; if (ide_cdrom_register(drive, nslots)) { - printk(KERN_ERR "%s: %s failed to register device with the" + printk(KERN_ERR PFX "%s: %s failed to register device with the" " cdrom driver.\n", drive->name, __func__); cd->devinfo.handle = NULL; return 1; @@ -1925,6 +2029,8 @@ static void ide_cd_remove(ide_drive_t *drive) { struct cdrom_info *info = drive->driver_data; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + ide_proc_unregister_driver(drive, info->driver); del_gendisk(info->disk); @@ -1939,6 +2045,8 @@ static void ide_cd_release(struct kref *kref) ide_drive_t *drive = info->drive; struct gendisk *g = info->disk; + ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__); + kfree(info->toc); if (devinfo->handle == drive) unregister_cdrom(devinfo); @@ -2099,6 +2207,10 @@ static int ide_cd_probe(ide_drive_t *drive) struct gendisk *g; struct request_sense sense; + ide_debug_log(IDE_DBG_PROBE, "Call %s, drive->driver_req: %s, " + "drive->media: 0x%x\n", __func__, drive->driver_req, + drive->media); + if (!strstr("ide-cdrom", drive->driver_req)) goto failed; @@ -2108,14 +2220,14 @@ static int ide_cd_probe(ide_drive_t *drive) /* skip drives that we were told to ignore */ if (ignore != NULL) { if (strstr(ignore, drive->name)) { - printk(KERN_INFO "ide-cd: ignoring drive %s\n", + printk(KERN_INFO PFX "ignoring drive %s\n", drive->name); goto failed; } } info = kzalloc(sizeof(struct cdrom_info), GFP_KERNEL); if (info == NULL) { - printk(KERN_ERR "%s: Can't allocate a cdrom structure\n", + printk(KERN_ERR PFX "%s: Can't allocate a cdrom structure\n", drive->name); goto failed; } @@ -2163,6 +2275,7 @@ static void __exit ide_cdrom_exit(void) static int __init ide_cdrom_init(void) { + printk(KERN_INFO DRV_NAME " driver " IDECD_VERSION "\n"); return driver_register(&ide_cdrom_driver.gen_driver); } -- GitLab From 35d9b17fe2dc48514fa3fbeec910e54103d13333 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:49 +0200 Subject: [PATCH 4462/6244] ide-cd: add a debug_mask module parameter Signed-off-by: Borislav Petkov [bart: no need to zero debug_mask + move it next to module_param()] Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 52e4bbdfd4a8..91a6b462d373 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -2197,8 +2197,11 @@ static struct block_device_operations idecd_ops = { /* module options */ static char *ignore; - module_param(ignore, charp, 0400); + +static unsigned long debug_mask; +module_param(debug_mask, ulong, 0644); + MODULE_DESCRIPTION("ATAPI CD-ROM Driver"); static int ide_cd_probe(ide_drive_t *drive) @@ -2225,6 +2228,9 @@ static int ide_cd_probe(ide_drive_t *drive) goto failed; } } + + drive->debug_mask = debug_mask; + info = kzalloc(sizeof(struct cdrom_info), GFP_KERNEL); if (info == NULL) { printk(KERN_ERR PFX "%s: Can't allocate a cdrom structure\n", -- GitLab From 0a9b6f8864362e31e348b12922a92b48b1b8cc94 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:49 +0200 Subject: [PATCH 4463/6244] ide: add ide_drive_t.dma flag This flag is to accomodate ide-cd functionality into ide atapi. There should be no functionality change resulting from this patch. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 9 +++++---- include/linux/ide.h | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index a1d8c3557a42..d55784173a79 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -545,7 +545,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; u16 bcount; - u8 dma = 0, scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); + u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); /* We haven't transferred any data yet */ pc->xferred = 0; @@ -566,15 +566,16 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, (drive->dev_flags & IDE_DFLAG_USING_DMA)) { if (scsi) hwif->sg_mapped = 1; - dma = !hwif->dma_ops->dma_setup(drive); + drive->dma = !hwif->dma_ops->dma_setup(drive); if (scsi) hwif->sg_mapped = 0; } - if (!dma) + if (!drive->dma) pc->flags &= ~PC_FLAG_DMA_OK; - ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, dma); + ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, + drive->dma); /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { diff --git a/include/linux/ide.h b/include/linux/ide.h index 5a39dab2cc91..8247b286838d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -603,6 +603,7 @@ struct ide_drive_s { u8 select; /* basic drive/head select reg value */ u8 retry_pio; /* retrying dma capable host in pio */ u8 waiting_for_dma; /* dma currently in progress */ + u8 dma; /* atapi dma flag */ u8 quirk_list; /* considered quirky, set for a specific host */ u8 init_speed; /* transfer rate set at boot */ -- GitLab From 12469ac0c1eed579f1b4a87e472471f14eaa5da3 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:49 +0200 Subject: [PATCH 4464/6244] ide-cd: move cdrom_info.dma to ide_drive_t.dma There should be no functionality change resulting from this patch. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 32 ++++++++++++++------------------ drivers/ide/ide-cd.h | 1 - 2 files changed, 14 insertions(+), 19 deletions(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 91a6b462d373..3a08a2ba6b17 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -562,22 +562,21 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, int xferlen, ide_handler_t *handler) { - struct cdrom_info *info = drive->driver_data; ide_hwif_t *hwif = drive->hwif; ide_debug_log(IDE_DBG_PC, "Call %s, xferlen: %d\n", __func__, xferlen); /* FIXME: for Virtual DMA we must check harder */ - if (info->dma) - info->dma = !hwif->dma_ops->dma_setup(drive); + if (drive->dma) + drive->dma = !hwif->dma_ops->dma_setup(drive); /* set up the controller registers */ ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL, - xferlen, info->dma); + xferlen, drive->dma); if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { /* waiting for CDB interrupt, not DMA yet. */ - if (info->dma) + if (drive->dma) drive->waiting_for_dma = 0; /* packet command */ @@ -604,7 +603,6 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, { ide_hwif_t *hwif = drive->hwif; int cmd_len; - struct cdrom_info *info = drive->driver_data; ide_startstop_t startstop; ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__); @@ -620,7 +618,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, return ide_stopped; /* ok, next interrupt will be DMA interrupt */ - if (info->dma) + if (drive->dma) drive->waiting_for_dma = 1; } else { /* otherwise, we must wait for DRQ to get set */ @@ -641,7 +639,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive, hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len); /* start the DMA if need be */ - if (info->dma) + if (drive->dma) hwif->dma_ops->dma_start(drive); return ide_started; @@ -955,7 +953,6 @@ static int cdrom_newpc_intr_dummy_cb(struct request *rq) static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - struct cdrom_info *info = drive->driver_data; struct request *rq = HWGROUP(drive)->rq; xfer_func_t *xferfunc; ide_expiry_t *expiry = NULL; @@ -969,9 +966,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) __func__, rq->cmd[0], write); /* check for errors */ - dma = info->dma; + dma = drive->dma; if (dma) { - info->dma = 0; + drive->dma = 0; dma_error = hwif->dma_ops->dma_end(drive); if (dma_error) { printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name, @@ -1204,9 +1201,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) cdrom_end_request(drive, 0); return ide_stopped; } - cd->dma = 0; + drive->dma = 0; } else - cd->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); + drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); if (write) cd->devinfo.media_written = 1; @@ -1223,7 +1220,6 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive) static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) { - struct cdrom_info *info = drive->driver_data; ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__, rq->cmd_type); @@ -1233,7 +1229,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) else rq->cmd_flags &= ~REQ_FAILED; - info->dma = 0; + drive->dma = 0; /* sg request */ if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) { @@ -1246,7 +1242,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) else buf = rq->data; - info->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); + drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA); /* * check if dma is safe @@ -1257,7 +1253,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) alignment = queue_dma_alignment(q) | q->dma_pad_mask; if ((unsigned long)buf & alignment || rq->data_len & alignment || object_is_on_stack(buf)) - info->dma = 0; + drive->dma = 0; } } @@ -1298,7 +1294,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, xferlen = 0; fn = cdrom_start_seek_continuation; - info->dma = 0; + drive->dma = 0; info->start_seek = jiffies; ide_cd_prepare_seek_request(drive, rq); diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index 61a4599b77db..5882b9a9ea8b 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -88,7 +88,6 @@ struct cdrom_info { struct request_sense sense_data; struct request request_sense_request; - int dma; unsigned long last_block; unsigned long start_seek; -- GitLab From f9476b96b5c19a843d6256b8d228ebf1edabb1b6 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 13 Oct 2008 21:39:50 +0200 Subject: [PATCH 4465/6244] ide-atapi: assign taskfile flags per device type There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-atapi.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index d55784173a79..2e305714c209 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -544,6 +544,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, { struct ide_atapi_pc *pc = drive->pc; ide_hwif_t *hwif = drive->hwif; + u32 tf_flags; u16 bcount; u8 scsi = !!(drive->dev_flags & IDE_DFLAG_SCSI); @@ -574,8 +575,14 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, unsigned int timeout, if (!drive->dma) pc->flags &= ~PC_FLAG_DMA_OK; - ide_pktcmd_tf_load(drive, scsi ? 0 : IDE_TFLAG_OUT_DEVICE, bcount, - drive->dma); + if (scsi) + tf_flags = 0; + else if (drive->media == ide_cdrom || drive->media == ide_optical) + tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL; + else + tf_flags = IDE_TFLAG_OUT_DEVICE; + + ide_pktcmd_tf_load(drive, tf_flags, bcount, drive->dma); /* Issue the packet command */ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) { -- GitLab From a8269e5423387ca0c6f6c75c42dad57c501025d3 Mon Sep 17 00:00:00 2001 From: Herton Ronaldo Krzesinski Date: Mon, 13 Oct 2008 21:39:50 +0200 Subject: [PATCH 4466/6244] piix: add Hercules EC-900 mini-notebook to ich_laptop short cable list Signed-off-by: Herton Ronaldo Krzesinski Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/piix.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c index 56feb939f82a..d63f9fdca76b 100644 --- a/drivers/ide/pci/piix.c +++ b/drivers/ide/pci/piix.c @@ -258,6 +258,7 @@ static const struct ich_laptop ich_laptop[] = { { 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */ { 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */ { 0x27DF, 0x103C, 0x30A1 }, /* ICH7 on HP Compaq nc2400 */ + { 0x27DF, 0x1071, 0xD221 }, /* ICH7 on Hercules EC-900 */ { 0x24CA, 0x1025, 0x0061 }, /* ICH4 on Acer Aspire 2023WLMi */ { 0x2653, 0x1043, 0x82D8 }, /* ICH6M on Asus Eee 701 */ /* end marker */ -- GitLab From 08243ba731ee08ff42cf1589379c81567690218f Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Mon, 13 Oct 2008 21:39:50 +0200 Subject: [PATCH 4467/6244] ide-cd: fix printk format warning Signed-off-by: Alexander Beregalov Cc: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-cd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 3a08a2ba6b17..3308b1cd3a33 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1268,7 +1268,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, int xferlen; ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd_type: 0x%x, block: %llu\n", - __func__, rq->cmd_type, (u64)block); + __func__, rq->cmd_type, (unsigned long long)block); if (blk_fs_request(rq)) { if (drive->atapi_flags & IDE_AFLAG_SEEKING) { -- GitLab From 4abdc6ee7c47a1a6e12f95717e461baeebee5df7 Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Mon, 13 Oct 2008 21:39:50 +0200 Subject: [PATCH 4468/6244] ide: Implement disk shock protection support (v4) On user request (through sysfs), the IDLE IMMEDIATE command with UNLOAD FEATURE as specified in ATA-7 is issued to the device and processing of the request queue is stopped thereafter until the specified timeout expires or user space asks to resume normal operation. This is supposed to prevent the heads of a hard drive from accidentally crashing onto the platter when a heavy shock is anticipated (like a falling laptop expected to hit the floor). Port resets are deferred whenever a device on that port is in the parked state. v3: Elias Oltmanns wrote: [...] > >> 1. Make sure that no negative value is being passed to > >> jiffies_to_msecs() in ide_park_show(). > >> 2. Drop the superfluous variable hwif in ide_special_rq(). > >> 3. Skip initialisation of task and tf in ide_special_rq() if we are not > >> handling a (un)park request. > > > > Well, #3 should have been done differently because we donn't want to > > check for REQ_(UN)?PARK_HEADS more often than is necessary. > > While preparing the backport to 2.6.27, it has just occurred to me that > we need to clear the IDE_DFLAG_PARKED flag in ide_disk_pre_reset() > because this flag must not be set after *any* sort of access to the > device. v4: Fix a memory leak due to a missing blk_put_request() in issue_park_cmd(). Additionally, we should plug the queue when enqueueing the unpark request because there is no guarantee that the park timeout has not expired by then. Even though the chance for that to happen is very slim, the request might end up hanging in the queue until the next I/O operation is queued up. While at it, clean up the code a little: - make issue_park_cmd() a function of type void since nobody cares for the return value anyway; - use blk_start_queueing() instead of __blk_run_queue() since we don't have to worry about recursion; - remove a superfluous pointer deference in task_no_data_intr(). Signed-off-by: Elias Oltmanns Cc: Jeff Garzik , Cc: Randy Dunlap Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Makefile | 2 +- drivers/ide/ide-io.c | 29 ++++++++- drivers/ide/ide-iops.c | 29 ++++++++- drivers/ide/ide-park.c | 121 +++++++++++++++++++++++++++++++++++++ drivers/ide/ide-probe.c | 5 ++ drivers/ide/ide-taskfile.c | 11 +++- drivers/ide/ide.c | 1 + include/linux/ide.h | 13 ++++ 8 files changed, 206 insertions(+), 5 deletions(-) create mode 100644 drivers/ide/ide-park.c diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 0c30adb115c8..ceaf779054ea 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -5,7 +5,7 @@ EXTRA_CFLAGS += -Idrivers/ide ide-core-y += ide.o ide-ioctls.o ide-io.o ide-iops.o ide-lib.o ide-probe.o \ - ide-taskfile.o ide-pio-blacklist.o + ide-taskfile.o ide-park.o ide-pio-blacklist.o # core IDE code ide-core-$(CONFIG_IDE_TIMINGS) += ide-timings.o diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index e205f46c3c7a..77c6eaeacefa 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -672,7 +672,32 @@ EXPORT_SYMBOL_GPL(ide_devset_execute); static ide_startstop_t ide_special_rq(ide_drive_t *drive, struct request *rq) { - switch (rq->cmd[0]) { + u8 cmd = rq->cmd[0]; + + if (cmd == REQ_PARK_HEADS || cmd == REQ_UNPARK_HEADS) { + ide_task_t task; + struct ide_taskfile *tf = &task.tf; + + memset(&task, 0, sizeof(task)); + if (cmd == REQ_PARK_HEADS) { + drive->sleep = *(unsigned long *)rq->special; + drive->dev_flags |= IDE_DFLAG_SLEEPING; + tf->command = ATA_CMD_IDLEIMMEDIATE; + tf->feature = 0x44; + tf->lbal = 0x4c; + tf->lbam = 0x4e; + tf->lbah = 0x55; + task.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER; + } else /* cmd == REQ_UNPARK_HEADS */ + tf->command = ATA_CMD_CHK_POWER; + + task.tf_flags |= IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + task.rq = rq; + drive->hwif->data_phase = task.data_phase = TASKFILE_NO_DATA; + return do_rw_taskfile(drive, &task); + } + + switch (cmd) { case REQ_DEVSET_EXEC: { int err, (*setfunc)(ide_drive_t *, int) = rq->special; @@ -1008,7 +1033,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq) } hwgroup->hwif = hwif; hwgroup->drive = drive; - drive->dev_flags &= ~IDE_DFLAG_SLEEPING; + drive->dev_flags &= ~(IDE_DFLAG_SLEEPING | IDE_DFLAG_PARKED); drive->service_start = jiffies; if (blk_queue_plugged(drive->queue)) { diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 91182ebed468..b762deb2dacb 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -1020,6 +1020,7 @@ static void ide_disk_pre_reset(ide_drive_t *drive) drive->special.b.recalibrate = legacy; drive->mult_count = 0; + drive->dev_flags &= ~IDE_DFLAG_PARKED; if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0 && (drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) @@ -1079,12 +1080,13 @@ static void pre_reset(ide_drive_t *drive) static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) { unsigned int unit; - unsigned long flags; + unsigned long flags, timeout; ide_hwif_t *hwif; ide_hwgroup_t *hwgroup; struct ide_io_ports *io_ports; const struct ide_tp_ops *tp_ops; const struct ide_port_ops *port_ops; + DEFINE_WAIT(wait); spin_lock_irqsave(&ide_lock, flags); hwif = HWIF(drive); @@ -1111,6 +1113,31 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi) return ide_started; } + /* We must not disturb devices in the IDE_DFLAG_PARKED state. */ + do { + unsigned long now; + + prepare_to_wait(&ide_park_wq, &wait, TASK_UNINTERRUPTIBLE); + timeout = jiffies; + for (unit = 0; unit < MAX_DRIVES; unit++) { + ide_drive_t *tdrive = &hwif->drives[unit]; + + if (tdrive->dev_flags & IDE_DFLAG_PRESENT && + tdrive->dev_flags & IDE_DFLAG_PARKED && + time_after(tdrive->sleep, timeout)) + timeout = tdrive->sleep; + } + + now = jiffies; + if (time_before_eq(timeout, now)) + break; + + spin_unlock_irqrestore(&ide_lock, flags); + timeout = schedule_timeout_uninterruptible(timeout - now); + spin_lock_irqsave(&ide_lock, flags); + } while (timeout); + finish_wait(&ide_park_wq, &wait); + /* * First, reset any device state data we were maintaining * for any of the drives on this interface. diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c new file mode 100644 index 000000000000..03b00e57e93f --- /dev/null +++ b/drivers/ide/ide-park.c @@ -0,0 +1,121 @@ +#include +#include +#include +#include + +DECLARE_WAIT_QUEUE_HEAD(ide_park_wq); + +static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) +{ + struct request_queue *q = drive->queue; + struct request *rq; + int rc; + + timeout += jiffies; + spin_lock_irq(&ide_lock); + if (drive->dev_flags & IDE_DFLAG_PARKED) { + ide_hwgroup_t *hwgroup = drive->hwif->hwgroup; + int reset_timer; + + reset_timer = time_before(timeout, drive->sleep); + drive->sleep = timeout; + wake_up_all(&ide_park_wq); + if (reset_timer && hwgroup->sleeping && + del_timer(&hwgroup->timer)) { + hwgroup->sleeping = 0; + hwgroup->busy = 0; + blk_start_queueing(q); + } + spin_unlock_irq(&ide_lock); + return; + } + spin_unlock_irq(&ide_lock); + + rq = blk_get_request(q, READ, __GFP_WAIT); + rq->cmd[0] = REQ_PARK_HEADS; + rq->cmd_len = 1; + rq->cmd_type = REQ_TYPE_SPECIAL; + rq->special = &timeout; + rc = blk_execute_rq(q, NULL, rq, 1); + blk_put_request(rq); + if (rc) + goto out; + + /* + * Make sure that *some* command is sent to the drive after the + * timeout has expired, so power management will be reenabled. + */ + rq = blk_get_request(q, READ, GFP_NOWAIT); + if (unlikely(!rq)) + goto out; + + rq->cmd[0] = REQ_UNPARK_HEADS; + rq->cmd_len = 1; + rq->cmd_type = REQ_TYPE_SPECIAL; + elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 1); + +out: + return; +} + +ssize_t ide_park_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + ide_drive_t *drive = to_ide_device(dev); + unsigned long now; + unsigned int msecs; + + if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD) + return -EOPNOTSUPP; + + spin_lock_irq(&ide_lock); + now = jiffies; + if (drive->dev_flags & IDE_DFLAG_PARKED && + time_after(drive->sleep, now)) + msecs = jiffies_to_msecs(drive->sleep - now); + else + msecs = 0; + spin_unlock_irq(&ide_lock); + + return snprintf(buf, 20, "%u\n", msecs); +} + +ssize_t ide_park_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len) +{ +#define MAX_PARK_TIMEOUT 30000 + ide_drive_t *drive = to_ide_device(dev); + long int input; + int rc; + + rc = strict_strtol(buf, 10, &input); + if (rc || input < -2) + return -EINVAL; + if (input > MAX_PARK_TIMEOUT) { + input = MAX_PARK_TIMEOUT; + rc = -EOVERFLOW; + } + + mutex_lock(&ide_setting_mtx); + if (input >= 0) { + if (drive->dev_flags & IDE_DFLAG_NO_UNLOAD) + rc = -EOPNOTSUPP; + else if (input || drive->dev_flags & IDE_DFLAG_PARKED) + issue_park_cmd(drive, msecs_to_jiffies(input)); + } else { + if (drive->media == ide_disk) + switch (input) { + case -1: + drive->dev_flags &= ~IDE_DFLAG_NO_UNLOAD; + break; + case -2: + drive->dev_flags |= IDE_DFLAG_NO_UNLOAD; + break; + } + else + rc = -EOPNOTSUPP; + } + mutex_unlock(&ide_setting_mtx); + + return rc ? rc : len; +} diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index de8edd306c79..f27baa5f140e 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -208,6 +208,8 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) drive->ready_stat = 0; if (ata_id_cdb_intr(id)) drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT; + /* we don't do head unloading on ATAPI devices */ + drive->dev_flags |= IDE_DFLAG_NO_UNLOAD; return; } @@ -223,6 +225,9 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd) drive->media = ide_disk; + if (!ata_id_has_unload(drive->id)) + drive->dev_flags |= IDE_DFLAG_NO_UNLOAD; + printk(KERN_CONT "%s DISK drive\n", is_cfa ? "CFA" : "ATA"); return; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index a4c2d91179b3..bf4fb9d8d176 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -152,7 +152,16 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive) if (!custom) ide_end_drive_cmd(drive, stat, ide_read_error(drive)); - else if (tf->command == ATA_CMD_SET_MULTI) + else if (tf->command == ATA_CMD_IDLEIMMEDIATE) { + hwif->tp_ops->tf_read(drive, task); + if (tf->lbal != 0xc4) { + printk(KERN_ERR "%s: head unload failed!\n", + drive->name); + ide_tf_dump(drive->name, tf); + } else + drive->dev_flags |= IDE_DFLAG_PARKED; + ide_end_drive_cmd(drive, stat, ide_read_error(drive)); + } else if (tf->command == ATA_CMD_SET_MULTI) drive->mult_count = drive->mult_req; return ide_stopped; diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 083783e851d1..04f8f13cb9d7 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -587,6 +587,7 @@ static struct device_attribute ide_dev_attrs[] = { __ATTR_RO(model), __ATTR_RO(firmware), __ATTR(serial, 0400, serial_show, NULL), + __ATTR(unload_heads, 0644, ide_park_show, ide_park_store), __ATTR_NULL }; diff --git a/include/linux/ide.h b/include/linux/ide.h index 8247b286838d..c47e371554c1 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -156,6 +156,8 @@ enum { */ #define REQ_DRIVE_RESET 0x20 #define REQ_DEVSET_EXEC 0x21 +#define REQ_PARK_HEADS 0x22 +#define REQ_UNPARK_HEADS 0x23 /* * Check for an interrupt and acknowledge the interrupt status @@ -573,6 +575,10 @@ enum { /* retrying in PIO */ IDE_DFLAG_DMA_PIO_RETRY = (1 << 25), IDE_DFLAG_LBA = (1 << 26), + /* don't unload heads */ + IDE_DFLAG_NO_UNLOAD = (1 << 27), + /* heads unloaded, please don't reset port */ + IDE_DFLAG_PARKED = (1 << 28) }; struct ide_drive_s { @@ -1207,6 +1213,13 @@ int ide_check_atapi_device(ide_drive_t *, const char *); void ide_init_pc(struct ide_atapi_pc *); +/* Disk head parking */ +extern wait_queue_head_t ide_park_wq; +ssize_t ide_park_show(struct device *dev, struct device_attribute *attr, + char *buf); +ssize_t ide_park_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len); + /* * Special requests for ide-tape block device strategy routine. * -- GitLab From 9c6102d446985bca9c426cb2d9b478ed21d2b024 Mon Sep 17 00:00:00 2001 From: Elias Oltmanns Date: Mon, 13 Oct 2008 21:39:50 +0200 Subject: [PATCH 4469/6244] ata: Add documentation for hard disk shock protection interface (v3) Put some information (and pointers to more) into the kernel's doc tree, describing briefly the interface to the kernel's disk head unloading facility. Information about how to set up a complete shock protection system under GNU/Linux can be found on the web and is referenced accordingly. v3: Here is some final polish including various spelling corrections pointed out by Grant Grundler and Peter Moulder. Also, I have added some information about the timing constraints related to disk head parking. The patch looks more impressive than it really is and I think it would be alright just to incorporate it into the original patch so as not to clutter up the git log. Signed-off-by: Elias Oltmanns Cc: Jeff Garzik Cc: Randy Dunlap Cc: Tejun Heo Signed-off-by: Bartlomiej Zolnierkiewicz --- .../laptops/disk-shock-protection.txt | 149 ++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 Documentation/laptops/disk-shock-protection.txt diff --git a/Documentation/laptops/disk-shock-protection.txt b/Documentation/laptops/disk-shock-protection.txt new file mode 100644 index 000000000000..0e6ba2663834 --- /dev/null +++ b/Documentation/laptops/disk-shock-protection.txt @@ -0,0 +1,149 @@ +Hard disk shock protection +========================== + +Author: Elias Oltmanns +Last modified: 2008-10-03 + + +0. Contents +----------- + +1. Intro +2. The interface +3. References +4. CREDITS + + +1. Intro +-------- + +ATA/ATAPI-7 specifies the IDLE IMMEDIATE command with unload feature. +Issuing this command should cause the drive to switch to idle mode and +unload disk heads. This feature is being used in modern laptops in +conjunction with accelerometers and appropriate software to implement +a shock protection facility. The idea is to stop all I/O operations on +the internal hard drive and park its heads on the ramp when critical +situations are anticipated. The desire to have such a feature +available on GNU/Linux systems has been the original motivation to +implement a generic disk head parking interface in the Linux kernel. +Please note, however, that other components have to be set up on your +system in order to get disk shock protection working (see +section 3. References below for pointers to more information about +that). + + +2. The interface +---------------- + +For each ATA device, the kernel exports the file +block/*/device/unload_heads in sysfs (here assumed to be mounted under +/sys). Access to /sys/block/*/device/unload_heads is denied with +-EOPNOTSUPP if the device does not support the unload feature. +Otherwise, writing an integer value to this file will take the heads +of the respective drive off the platter and block all I/O operations +for the specified number of milliseconds. When the timeout expires and +no further disk head park request has been issued in the meantime, +normal operation will be resumed. The maximal value accepted for a +timeout is 30000 milliseconds. Exceeding this limit will return +-EOVERFLOW, but heads will be parked anyway and the timeout will be +set to 30 seconds. However, you can always change a timeout to any +value between 0 and 30000 by issuing a subsequent head park request +before the timeout of the previous one has expired. In particular, the +total timeout can exceed 30 seconds and, more importantly, you can +cancel a previously set timeout and resume normal operation +immediately by specifying a timeout of 0. Values below -2 are rejected +with -EINVAL (see below for the special meaning of -1 and -2). If the +timeout specified for a recent head park request has not yet expired, +reading from /sys/block/*/device/unload_heads will report the number +of milliseconds remaining until normal operation will be resumed; +otherwise, reading the unload_heads attribute will return 0. + +For example, do the following in order to park the heads of drive +/dev/sda and stop all I/O operations for five seconds: + +# echo 5000 > /sys/block/sda/device/unload_heads + +A simple + +# cat /sys/block/sda/device/unload_heads + +will show you how many milliseconds are left before normal operation +will be resumed. + +A word of caution: The fact that the interface operates on a basis of +milliseconds may raise expectations that cannot be satisfied in +reality. In fact, the ATA specs clearly state that the time for an +unload operation to complete is vendor specific. The hint in ATA-7 +that this will typically be within 500 milliseconds apparently has +been dropped in ATA-8. + +There is a technical detail of this implementation that may cause some +confusion and should be discussed here. When a head park request has +been issued to a device successfully, all I/O operations on the +controller port this device is attached to will be deferred. That is +to say, any other device that may be connected to the same port will +be affected too. The only exception is that a subsequent head unload +request to that other device will be executed immediately. Further +operations on that port will be deferred until the timeout specified +for either device on the port has expired. As far as PATA (old style +IDE) configurations are concerned, there can only be two devices +attached to any single port. In SATA world we have port multipliers +which means that a user-issued head parking request to one device may +actually result in stopping I/O to a whole bunch of devices. However, +since this feature is supposed to be used on laptops and does not seem +to be very useful in any other environment, there will be mostly one +device per port. Even if the CD/DVD writer happens to be connected to +the same port as the hard drive, it generally *should* recover just +fine from the occasional buffer under-run incurred by a head park +request to the HD. Actually, when you are using an ide driver rather +than its libata counterpart (i.e. your disk is called /dev/hda +instead of /dev/sda), then parking the heads of one drive (drive X) +will generally not affect the mode of operation of another drive +(drive Y) on the same port as described above. It is only when a port +reset is required to recover from an exception on drive Y that further +I/O operations on that drive (and the reset itself) will be delayed +until drive X is no longer in the parked state. + +Finally, there are some hard drives that only comply with an earlier +version of the ATA standard than ATA-7, but do support the unload +feature nonetheless. Unfortunately, there is no safe way Linux can +detect these devices, so you won't be able to write to the +unload_heads attribute. If you know that your device really does +support the unload feature (for instance, because the vendor of your +laptop or the hard drive itself told you so), then you can tell the +kernel to enable the usage of this feature for that drive by writing +the special value -1 to the unload_heads attribute: + +# echo -1 > /sys/block/sda/device/unload_heads + +will enable the feature for /dev/sda, and giving -2 instead of -1 will +disable it again. + + +3. References +------------- + +There are several laptops from different vendors featuring shock +protection capabilities. As manufacturers have refused to support open +source development of the required software components so far, Linux +support for shock protection varies considerably between different +hardware implementations. Ideally, this section should contain a list +of pointers at different projects aiming at an implementation of shock +protection on different systems. Unfortunately, I only know of a +single project which, although still considered experimental, is fit +for use. Please feel free to add projects that have been the victims +of my ignorance. + +- http://www.thinkwiki.org/wiki/HDAPS + See this page for information about Linux support of the hard disk + active protection system as implemented in IBM/Lenovo Thinkpads. + + +4. CREDITS +---------- + +This implementation of disk head parking has been inspired by a patch +originally published by Jon Escombe . My efforts +to develop an implementation of this feature that is fit to be merged +into mainline have been aided by various kernel developers, in +particular by Tejun Heo and Bartlomiej Zolnierkiewicz. -- GitLab From a5766f11cfd3a0c03450d99c8fe548c2940be884 Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Fri, 10 Oct 2008 13:22:20 +0100 Subject: [PATCH 4470/6244] regulator: core - Rework machine API to remove string based functions. This improves the machine level API in order to configure regulator constraints and consumers as platform data and removes the old string based API that required several calls to set up each regulator. The intention is to create a struct regulator_init_data, populate it's fields with constraints, consumers devices, etc and then register the regulator device from board.c in the standard Linux way. e.g. regulator LDO2 (supplying codec and sim) platform data. /* regulator LDO2 consumer devices */ static struct regulator_consumer_supply ldo2_consumers[] = { { .dev = &platform_audio_device.dev, .supply = "codec_avdd", }, { .dev = &platform_sim_device.dev, .supply = "sim_vcc", } }; /* regulator LDO2 constraints */ static struct regulator_init_data ldo2_data = { .constraints = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, .apply_uV = 1, }, .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), .consumer_supplies = ldo2_consumers, }; /* machine regulator devices with thier consumers and constraints */ static struct platform_device wm8350_regulator_devices[] = { { .name = "wm8350-regulator", .id = WM8350_LDO_2, .dev = { .platform_data = &ldo2_data, }, }, }; Changes in detail:- o Removed all const char* regulator config functions in machine API. o Created new struct regulator_init_data to contain regulator machine configuration constraints and consmuers. o Changed set_supply(), set_machine_constraints(), set_consumer_device_supply() to remove their string identifier parameters. Also made them static and moved functions nearer top of core.c. o Removed no longer used inline func to_rdev() o Added regulator_get_init_drvdata() to retrieve init data. o Added struct device* as parameter to regulator_register(). o Changed my email address. Signed-off-by: Eric Miao Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- Documentation/power/regulator/machine.txt | 140 +++--- Documentation/power/regulator/regulator.txt | 8 +- drivers/regulator/bq24022.c | 21 +- drivers/regulator/core.c | 457 ++++++++++---------- include/linux/regulator/driver.h | 8 +- include/linux/regulator/machine.h | 30 +- 6 files changed, 334 insertions(+), 330 deletions(-) diff --git a/Documentation/power/regulator/machine.txt b/Documentation/power/regulator/machine.txt index c9a35665cf70..ce3487d99abe 100644 --- a/Documentation/power/regulator/machine.txt +++ b/Documentation/power/regulator/machine.txt @@ -2,17 +2,8 @@ Regulator Machine Driver Interface =================================== The regulator machine driver interface is intended for board/machine specific -initialisation code to configure the regulator subsystem. Typical things that -machine drivers would do are :- +initialisation code to configure the regulator subsystem. - 1. Regulator -> Device mapping. - 2. Regulator supply configuration. - 3. Power Domain constraint setting. - - - -1. Regulator -> device mapping -============================== Consider the following machine :- Regulator-1 -+-> Regulator-2 --> [Consumer A @ 1.8 - 2.0V] @@ -21,81 +12,82 @@ Consider the following machine :- The drivers for consumers A & B must be mapped to the correct regulator in order to control their power supply. This mapping can be achieved in machine -initialisation code by calling :- +initialisation code by creating a struct regulator_consumer_supply for +each regulator. + +struct regulator_consumer_supply { + struct device *dev; /* consumer */ + const char *supply; /* consumer supply - e.g. "vcc" */ +}; -int regulator_set_device_supply(const char *regulator, struct device *dev, - const char *supply); +e.g. for the machine above -and is shown with the following code :- +static struct regulator_consumer_supply regulator1_consumers[] = { +{ + .dev = &platform_consumerB_device.dev, + .supply = "Vcc", +},}; -regulator_set_device_supply("Regulator-1", devB, "Vcc"); -regulator_set_device_supply("Regulator-2", devA, "Vcc"); +static struct regulator_consumer_supply regulator2_consumers[] = { +{ + .dev = &platform_consumerA_device.dev, + .supply = "Vcc", +},}; This maps Regulator-1 to the 'Vcc' supply for Consumer B and maps Regulator-2 to the 'Vcc' supply for Consumer A. - -2. Regulator supply configuration. -================================== -Consider the following machine (again) :- - - Regulator-1 -+-> Regulator-2 --> [Consumer A @ 1.8 - 2.0V] - | - +-> [Consumer B @ 3.3V] +Constraints can now be registered by defining a struct regulator_init_data +for each regulator power domain. This structure also maps the consumers +to their supply regulator :- + +static struct regulator_init_data regulator1_data = { + .constraints = { + .min_uV = 3300000, + .max_uV = 3300000, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + }, + .num_consumer_supplies = ARRAY_SIZE(regulator1_consumers), + .consumer_supplies = regulator1_consumers, +}; Regulator-1 supplies power to Regulator-2. This relationship must be registered with the core so that Regulator-1 is also enabled when Consumer A enables it's -supply (Regulator-2). - -This relationship can be register with the core via :- - -int regulator_set_supply(const char *regulator, const char *regulator_supply); - -In this example we would use the following code :- - -regulator_set_supply("Regulator-2", "Regulator-1"); - -Relationships can be queried by calling :- - -const char *regulator_get_supply(const char *regulator); - - -3. Power Domain constraint setting. -=================================== -Each power domain within a system has physical constraints on voltage and -current. This must be defined in software so that the power domain is always -operated within specifications. - -Consider the following machine (again) :- - - Regulator-1 -+-> Regulator-2 --> [Consumer A @ 1.8 - 2.0V] - | - +-> [Consumer B @ 3.3V] - -This gives us two regulators and two power domains: - - Domain 1: Regulator-2, Consumer B. - Domain 2: Consumer A. - -Constraints can be registered by calling :- - -int regulator_set_platform_constraints(const char *regulator, - struct regulation_constraints *constraints); - -The example is defined as follows :- - -struct regulation_constraints domain_1 = { - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, +supply (Regulator-2). The supply regulator is set by the supply_regulator_dev +field below:- + +static struct regulator_init_data regulator2_data = { + .supply_regulator_dev = &platform_regulator1_device.dev, + .constraints = { + .min_uV = 1800000, + .max_uV = 2000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .valid_modes_mask = REGULATOR_MODE_NORMAL, + }, + .num_consumer_supplies = ARRAY_SIZE(regulator2_consumers), + .consumer_supplies = regulator2_consumers, }; -struct regulation_constraints domain_2 = { - .min_uV = 1800000, - .max_uV = 2000000, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, - .valid_modes_mask = REGULATOR_MODE_NORMAL, +Finally the regulator devices must be registered in the usual manner. + +static struct platform_device regulator_devices[] = { +{ + .name = "regulator", + .id = DCDC_1, + .dev = { + .platform_data = ®ulator1_data, + }, +}, +{ + .name = "regulator", + .id = DCDC_2, + .dev = { + .platform_data = ®ulator2_data, + }, +}, }; +/* register regulator 1 device */ +platform_device_register(&wm8350_regulator_devices[0]); -regulator_set_platform_constraints("Regulator-1", &domain_1); -regulator_set_platform_constraints("Regulator-2", &domain_2); +/* register regulator 2 device */ +platform_device_register(&wm8350_regulator_devices[1]); diff --git a/Documentation/power/regulator/regulator.txt b/Documentation/power/regulator/regulator.txt index a69050143592..4200accb9bba 100644 --- a/Documentation/power/regulator/regulator.txt +++ b/Documentation/power/regulator/regulator.txt @@ -10,11 +10,11 @@ Registration Drivers can register a regulator by calling :- -struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, - void *reg_data); +struct regulator_dev *regulator_register(struct device *dev, + struct regulator_desc *regulator_desc); -This will register the regulators capabilities and operations the regulator -core. The core does not touch reg_data (private to regulator driver). +This will register the regulators capabilities and operations to the regulator +core. Regulators can be unregistered by calling :- diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c index 263699d6152d..366565aba865 100644 --- a/drivers/regulator/bq24022.c +++ b/drivers/regulator/bq24022.c @@ -18,13 +18,13 @@ #include #include + static int bq24022_set_current_limit(struct regulator_dev *rdev, int min_uA, int max_uA) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - dev_dbg(&pdev->dev, "setting current limit to %s mA\n", + dev_dbg(rdev_get_dev(rdev), "setting current limit to %s mA\n", max_uA >= 500000 ? "500" : "100"); /* REVISIT: maybe return error if min_uA != 0 ? */ @@ -34,18 +34,16 @@ static int bq24022_set_current_limit(struct regulator_dev *rdev, static int bq24022_get_current_limit(struct regulator_dev *rdev) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); return gpio_get_value(pdata->gpio_iset2) ? 500000 : 100000; } static int bq24022_enable(struct regulator_dev *rdev) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - dev_dbg(&pdev->dev, "enabling charger\n"); + dev_dbg(rdev_get_dev(rdev), "enabling charger\n"); gpio_set_value(pdata->gpio_nce, 0); return 0; @@ -53,10 +51,9 @@ static int bq24022_enable(struct regulator_dev *rdev) static int bq24022_disable(struct regulator_dev *rdev) { - struct platform_device *pdev = rdev_get_drvdata(rdev); - struct bq24022_mach_info *pdata = pdev->dev.platform_data; + struct bq24022_mach_info *pdata = rdev_get_drvdata(rdev); - dev_dbg(&pdev->dev, "disabling charger\n"); + dev_dbg(rdev_get_dev(rdev), "disabling charger\n"); gpio_set_value(pdata->gpio_nce, 1); return 0; @@ -108,7 +105,7 @@ static int __init bq24022_probe(struct platform_device *pdev) ret = gpio_direction_output(pdata->gpio_iset2, 0); ret = gpio_direction_output(pdata->gpio_nce, 1); - bq24022 = regulator_register(&bq24022_desc, pdev); + bq24022 = regulator_register(&bq24022_desc, &pdev->dev, pdata); if (IS_ERR(bq24022)) { dev_dbg(&pdev->dev, "couldn't register regulator\n"); ret = PTR_ERR(bq24022); diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 9c7986261568..84202eaace57 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2,8 +2,9 @@ * core.c -- Voltage/Current Regulator framework. * * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * Copyright 2008 SlimLogic Ltd. * - * Author: Liam Girdwood + * Author: Liam Girdwood * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -64,14 +65,9 @@ struct regulator_map { struct list_head list; struct device *dev; const char *supply; - const char *regulator; + struct regulator_dev *regulator; }; -static inline struct regulator_dev *to_rdev(struct device *d) -{ - return container_of(d, struct regulator_dev, dev); -} - /* * struct regulator * @@ -227,7 +223,7 @@ static ssize_t device_requested_uA_show(struct device *dev, static ssize_t regulator_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); ssize_t ret; mutex_lock(&rdev->mutex); @@ -240,7 +236,7 @@ static ssize_t regulator_uV_show(struct device *dev, static ssize_t regulator_uA_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); } @@ -248,7 +244,7 @@ static ssize_t regulator_uA_show(struct device *dev, static ssize_t regulator_opmode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); int mode = _regulator_get_mode(rdev); switch (mode) { @@ -267,7 +263,7 @@ static ssize_t regulator_opmode_show(struct device *dev, static ssize_t regulator_state_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); int state = _regulator_is_enabled(rdev); if (state > 0) @@ -281,7 +277,7 @@ static ssize_t regulator_state_show(struct device *dev, static ssize_t regulator_min_uA_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "constraint not defined\n"); @@ -292,7 +288,7 @@ static ssize_t regulator_min_uA_show(struct device *dev, static ssize_t regulator_max_uA_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "constraint not defined\n"); @@ -303,7 +299,7 @@ static ssize_t regulator_max_uA_show(struct device *dev, static ssize_t regulator_min_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "constraint not defined\n"); @@ -314,7 +310,7 @@ static ssize_t regulator_min_uV_show(struct device *dev, static ssize_t regulator_max_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "constraint not defined\n"); @@ -325,7 +321,7 @@ static ssize_t regulator_max_uV_show(struct device *dev, static ssize_t regulator_total_uA_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); struct regulator *regulator; int uA = 0; @@ -339,14 +335,14 @@ static ssize_t regulator_total_uA_show(struct device *dev, static ssize_t regulator_num_users_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); return sprintf(buf, "%d\n", rdev->use_count); } static ssize_t regulator_type_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); switch (rdev->desc->type) { case REGULATOR_VOLTAGE: @@ -360,7 +356,7 @@ static ssize_t regulator_type_show(struct device *dev, static ssize_t regulator_suspend_mem_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -370,7 +366,7 @@ static ssize_t regulator_suspend_mem_uV_show(struct device *dev, static ssize_t regulator_suspend_disk_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -380,7 +376,7 @@ static ssize_t regulator_suspend_disk_uV_show(struct device *dev, static ssize_t regulator_suspend_standby_uV_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -406,7 +402,7 @@ static ssize_t suspend_opmode_show(struct regulator_dev *rdev, static ssize_t regulator_suspend_mem_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -417,7 +413,7 @@ static ssize_t regulator_suspend_mem_mode_show(struct device *dev, static ssize_t regulator_suspend_disk_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -428,7 +424,7 @@ static ssize_t regulator_suspend_disk_mode_show(struct device *dev, static ssize_t regulator_suspend_standby_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -439,7 +435,7 @@ static ssize_t regulator_suspend_standby_mode_show(struct device *dev, static ssize_t regulator_suspend_mem_state_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -453,7 +449,7 @@ static ssize_t regulator_suspend_mem_state_show(struct device *dev, static ssize_t regulator_suspend_disk_state_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -467,7 +463,7 @@ static ssize_t regulator_suspend_disk_state_show(struct device *dev, static ssize_t regulator_suspend_standby_state_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); if (!rdev->constraints) return sprintf(buf, "not defined\n"); @@ -512,7 +508,7 @@ static struct device_attribute regulator_dev_attrs[] = { static void regulator_dev_release(struct device *dev) { - struct regulator_dev *rdev = to_rdev(dev); + struct regulator_dev *rdev = dev_get_drvdata(dev); kfree(rdev); } @@ -569,8 +565,11 @@ static int suspend_set_state(struct regulator_dev *rdev, /* enable & disable are mandatory for suspend control */ if (!rdev->desc->ops->set_suspend_enable || - !rdev->desc->ops->set_suspend_disable) + !rdev->desc->ops->set_suspend_disable) { + printk(KERN_ERR "%s: no way to set suspend state\n", + __func__); return -EINVAL; + } if (rstate->enabled) ret = rdev->desc->ops->set_suspend_enable(rdev); @@ -656,6 +655,125 @@ static void print_constraints(struct regulator_dev *rdev) printk(KERN_INFO "regulator: %s: %s\n", rdev->desc->name, buf); } +/** + * set_machine_constraints - sets regulator constraints + * @regulator: regulator source + * + * Allows platform initialisation code to define and constrain + * regulator circuits e.g. valid voltage/current ranges, etc. NOTE: + * Constraints *must* be set by platform code in order for some + * regulator operations to proceed i.e. set_voltage, set_current_limit, + * set_mode. + */ +static int set_machine_constraints(struct regulator_dev *rdev, + struct regulation_constraints *constraints) +{ + int ret = 0; + + rdev->constraints = constraints; + + /* do we need to apply the constraint voltage */ + if (rdev->constraints->apply_uV && + rdev->constraints->min_uV == rdev->constraints->max_uV && + rdev->desc->ops->set_voltage) { + ret = rdev->desc->ops->set_voltage(rdev, + rdev->constraints->min_uV, rdev->constraints->max_uV); + if (ret < 0) { + printk(KERN_ERR "%s: failed to apply %duV" + " constraint\n", __func__, + rdev->constraints->min_uV); + rdev->constraints = NULL; + goto out; + } + } + + /* are we enabled at boot time by firmware / bootloader */ + if (rdev->constraints->boot_on) + rdev->use_count = 1; + + /* do we need to setup our suspend state */ + if (constraints->initial_state) + ret = suspend_prepare(rdev, constraints->initial_state); + + print_constraints(rdev); +out: + return ret; +} + +/** + * set_supply - set regulator supply regulator + * @regulator: regulator name + * @supply: supply regulator name + * + * Called by platform initialisation code to set the supply regulator for this + * regulator. This ensures that a regulators supply will also be enabled by the + * core if it's child is enabled. + */ +static int set_supply(struct regulator_dev *rdev, + struct regulator_dev *supply_rdev) +{ + int err; + + err = sysfs_create_link(&rdev->dev.kobj, &supply_rdev->dev.kobj, + "supply"); + if (err) { + printk(KERN_ERR + "%s: could not add device link %s err %d\n", + __func__, supply_rdev->dev.kobj.name, err); + goto out; + } + rdev->supply = supply_rdev; + list_add(&rdev->slist, &supply_rdev->supply_list); +out: + return err; +} + +/** + * set_consumer_device_supply: Bind a regulator to a symbolic supply + * @regulator: regulator source + * @dev: device the supply applies to + * @supply: symbolic name for supply + * + * Allows platform initialisation code to map physical regulator + * sources to symbolic names for supplies for use by devices. Devices + * should use these symbolic names to request regulators, avoiding the + * need to provide board-specific regulator names as platform data. + */ +static int set_consumer_device_supply(struct regulator_dev *rdev, + struct device *consumer_dev, const char *supply) +{ + struct regulator_map *node; + + if (supply == NULL) + return -EINVAL; + + node = kmalloc(sizeof(struct regulator_map), GFP_KERNEL); + if (node == NULL) + return -ENOMEM; + + node->regulator = rdev; + node->dev = consumer_dev; + node->supply = supply; + + list_add(&node->list, ®ulator_map_list); + return 0; +} + +static void unset_consumer_device_supply(struct regulator_dev *rdev, + struct device *consumer_dev) +{ + struct regulator_map *node, *n; + + list_for_each_entry_safe(node, n, ®ulator_map_list, list) { + if (rdev == node->regulator && + consumer_dev == node->dev) { + list_del(&node->list); + kfree(node); + return; + } + } +} + #define REG_STR_SIZE 32 static struct regulator *create_regulator(struct regulator_dev *rdev, @@ -746,7 +864,6 @@ struct regulator *regulator_get(struct device *dev, const char *id) struct regulator_dev *rdev; struct regulator_map *map; struct regulator *regulator = ERR_PTR(-ENODEV); - const char *supply = id; if (id == NULL) { printk(KERN_ERR "regulator: get() with no identifier\n"); @@ -758,15 +875,9 @@ struct regulator *regulator_get(struct device *dev, const char *id) list_for_each_entry(map, ®ulator_map_list, list) { if (dev == map->dev && strcmp(map->supply, id) == 0) { - supply = map->regulator; - break; - } - } - - list_for_each_entry(rdev, ®ulator_list, list) { - if (strcmp(supply, rdev->desc->name) == 0 && - try_module_get(rdev->owner)) + rdev = map->regulator; goto found; + } } printk(KERN_ERR "regulator: Unable to get requested regulator: %s\n", id); @@ -774,12 +885,16 @@ struct regulator *regulator_get(struct device *dev, const char *id) return regulator; found: + if (!try_module_get(rdev->owner)) + goto out; + regulator = create_regulator(rdev, dev, id); if (regulator == NULL) { regulator = ERR_PTR(-ENOMEM); module_put(rdev->owner); } +out: mutex_unlock(®ulator_list_mutex); return regulator; } @@ -1559,11 +1674,12 @@ EXPORT_SYMBOL_GPL(regulator_notifier_call_chain); * Returns 0 on success. */ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, - void *reg_data) + struct device *dev, void *driver_data) { static atomic_t regulator_no = ATOMIC_INIT(0); struct regulator_dev *rdev; - int ret; + struct regulator_init_data *init_data = dev->platform_data; + int ret, i; if (regulator_desc == NULL) return ERR_PTR(-EINVAL); @@ -1582,7 +1698,7 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, mutex_lock(®ulator_list_mutex); mutex_init(&rdev->mutex); - rdev->reg_data = reg_data; + rdev->reg_data = driver_data; rdev->owner = regulator_desc->owner; rdev->desc = regulator_desc; INIT_LIST_HEAD(&rdev->consumer_list); @@ -1591,20 +1707,68 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, INIT_LIST_HEAD(&rdev->slist); BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier); + /* preform any regulator specific init */ + if (init_data->regulator_init) { + ret = init_data->regulator_init(rdev->reg_data); + if (ret < 0) { + kfree(rdev); + rdev = ERR_PTR(ret); + goto out; + } + } + + /* set regulator constraints */ + ret = set_machine_constraints(rdev, &init_data->constraints); + if (ret < 0) { + kfree(rdev); + rdev = ERR_PTR(ret); + goto out; + } + + /* register with sysfs */ rdev->dev.class = ®ulator_class; - device_initialize(&rdev->dev); + rdev->dev.parent = dev; snprintf(rdev->dev.bus_id, sizeof(rdev->dev.bus_id), - "regulator_%ld_%s", - (unsigned long)atomic_inc_return(®ulator_no) - 1, - regulator_desc->name); - - ret = device_add(&rdev->dev); - if (ret == 0) - list_add(&rdev->list, ®ulator_list); - else { + "regulator.%d", atomic_inc_return(®ulator_no) - 1); + ret = device_register(&rdev->dev); + if (ret != 0) { kfree(rdev); rdev = ERR_PTR(ret); + goto out; + } + + dev_set_drvdata(&rdev->dev, rdev); + + /* set supply regulator if it exists */ + if (init_data->supply_regulator_dev) { + ret = set_supply(rdev, + dev_get_drvdata(init_data->supply_regulator_dev)); + if (ret < 0) { + device_unregister(&rdev->dev); + kfree(rdev); + rdev = ERR_PTR(ret); + goto out; + } + } + + /* add consumers devices */ + for (i = 0; i < init_data->num_consumer_supplies; i++) { + ret = set_consumer_device_supply(rdev, + init_data->consumer_supplies[i].dev, + init_data->consumer_supplies[i].supply); + if (ret < 0) { + for (--i; i >= 0; i--) + unset_consumer_device_supply(rdev, + init_data->consumer_supplies[i].dev); + device_unregister(&rdev->dev); + kfree(rdev); + rdev = ERR_PTR(ret); + goto out; + } } + + list_add(&rdev->list, ®ulator_list); +out: mutex_unlock(®ulator_list_mutex); return rdev; } @@ -1630,187 +1794,6 @@ void regulator_unregister(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(regulator_unregister); -/** - * regulator_set_supply - set regulator supply regulator - * @regulator: regulator name - * @supply: supply regulator name - * - * Called by platform initialisation code to set the supply regulator for this - * regulator. This ensures that a regulators supply will also be enabled by the - * core if it's child is enabled. - */ -int regulator_set_supply(const char *regulator, const char *supply) -{ - struct regulator_dev *rdev, *supply_rdev; - int err; - - if (regulator == NULL || supply == NULL) - return -EINVAL; - - mutex_lock(®ulator_list_mutex); - - list_for_each_entry(rdev, ®ulator_list, list) { - if (!strcmp(rdev->desc->name, regulator)) - goto found_regulator; - } - mutex_unlock(®ulator_list_mutex); - return -ENODEV; - -found_regulator: - list_for_each_entry(supply_rdev, ®ulator_list, list) { - if (!strcmp(supply_rdev->desc->name, supply)) - goto found_supply; - } - mutex_unlock(®ulator_list_mutex); - return -ENODEV; - -found_supply: - err = sysfs_create_link(&rdev->dev.kobj, &supply_rdev->dev.kobj, - "supply"); - if (err) { - printk(KERN_ERR - "%s: could not add device link %s err %d\n", - __func__, supply_rdev->dev.kobj.name, err); - goto out; - } - rdev->supply = supply_rdev; - list_add(&rdev->slist, &supply_rdev->supply_list); -out: - mutex_unlock(®ulator_list_mutex); - return err; -} -EXPORT_SYMBOL_GPL(regulator_set_supply); - -/** - * regulator_get_supply - get regulator supply regulator - * @regulator: regulator name - * - * Returns the supply supply regulator name or NULL if no supply regulator - * exists (i.e the regulator is supplied directly from USB, Line, Battery, etc) - */ -const char *regulator_get_supply(const char *regulator) -{ - struct regulator_dev *rdev; - - if (regulator == NULL) - return NULL; - - mutex_lock(®ulator_list_mutex); - list_for_each_entry(rdev, ®ulator_list, list) { - if (!strcmp(rdev->desc->name, regulator)) - goto found; - } - mutex_unlock(®ulator_list_mutex); - return NULL; - -found: - mutex_unlock(®ulator_list_mutex); - if (rdev->supply) - return rdev->supply->desc->name; - else - return NULL; -} -EXPORT_SYMBOL_GPL(regulator_get_supply); - -/** - * regulator_set_machine_constraints - sets regulator constraints - * @regulator: regulator source - * - * Allows platform initialisation code to define and constrain - * regulator circuits e.g. valid voltage/current ranges, etc. NOTE: - * Constraints *must* be set by platform code in order for some - * regulator operations to proceed i.e. set_voltage, set_current_limit, - * set_mode. - */ -int regulator_set_machine_constraints(const char *regulator_name, - struct regulation_constraints *constraints) -{ - struct regulator_dev *rdev; - int ret = 0; - - if (regulator_name == NULL) - return -EINVAL; - - mutex_lock(®ulator_list_mutex); - - list_for_each_entry(rdev, ®ulator_list, list) { - if (!strcmp(regulator_name, rdev->desc->name)) - goto found; - } - ret = -ENODEV; - goto out; - -found: - mutex_lock(&rdev->mutex); - rdev->constraints = constraints; - - /* do we need to apply the constraint voltage */ - if (rdev->constraints->apply_uV && - rdev->constraints->min_uV == rdev->constraints->max_uV && - rdev->desc->ops->set_voltage) { - ret = rdev->desc->ops->set_voltage(rdev, - rdev->constraints->min_uV, rdev->constraints->max_uV); - if (ret < 0) { - printk(KERN_ERR "%s: failed to apply %duV" - " constraint\n", __func__, - rdev->constraints->min_uV); - rdev->constraints = NULL; - goto out; - } - } - - /* are we enabled at boot time by firmware / bootloader */ - if (rdev->constraints->boot_on) - rdev->use_count = 1; - - /* do we need to setup our suspend state */ - if (constraints->initial_state) - ret = suspend_prepare(rdev, constraints->initial_state); - - print_constraints(rdev); - mutex_unlock(&rdev->mutex); - -out: - mutex_unlock(®ulator_list_mutex); - return ret; -} -EXPORT_SYMBOL_GPL(regulator_set_machine_constraints); - - -/** - * regulator_set_device_supply: Bind a regulator to a symbolic supply - * @regulator: regulator source - * @dev: device the supply applies to - * @supply: symbolic name for supply - * - * Allows platform initialisation code to map physical regulator - * sources to symbolic names for supplies for use by devices. Devices - * should use these symbolic names to request regulators, avoiding the - * need to provide board-specific regulator names as platform data. - */ -int regulator_set_device_supply(const char *regulator, struct device *dev, - const char *supply) -{ - struct regulator_map *node; - - if (regulator == NULL || supply == NULL) - return -EINVAL; - - node = kmalloc(sizeof(struct regulator_map), GFP_KERNEL); - if (node == NULL) - return -ENOMEM; - - node->regulator = regulator; - node->dev = dev; - node->supply = supply; - - mutex_lock(®ulator_list_mutex); - list_add(&node->list, ®ulator_map_list); - mutex_unlock(®ulator_list_mutex); - return 0; -} -EXPORT_SYMBOL_GPL(regulator_set_device_supply); - /** * regulator_suspend_prepare: prepare regulators for system wide suspend * @state: system suspend state @@ -1893,6 +1876,18 @@ int rdev_get_id(struct regulator_dev *rdev) } EXPORT_SYMBOL_GPL(rdev_get_id); +struct device *rdev_get_dev(struct regulator_dev *rdev) +{ + return &rdev->dev; +} +EXPORT_SYMBOL_GPL(rdev_get_dev); + +void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data) +{ + return reg_init_data->driver_data; +} +EXPORT_SYMBOL_GPL(regulator_get_init_drvdata); + static int __init regulator_init(void) { printk(KERN_INFO "regulator: core version %s\n", REGULATOR_VERSION); diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 1d712c7172a2..bc01b42a8583 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -18,8 +18,8 @@ #include #include -struct regulator_constraints; struct regulator_dev; +struct regulator_init_data; /** * struct regulator_ops - regulator operations. @@ -85,15 +85,17 @@ struct regulator_desc { struct module *owner; }; - struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, - void *reg_data); + struct device *dev, void *driver_data); void regulator_unregister(struct regulator_dev *rdev); int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); void *rdev_get_drvdata(struct regulator_dev *rdev); +struct device *rdev_get_dev(struct regulator_dev *rdev); int rdev_get_id(struct regulator_dev *rdev); +void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); + #endif diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 11e737dbfcf2..c6d69331a81e 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -89,15 +89,33 @@ struct regulation_constraints { unsigned apply_uV:1; /* apply uV constraint iff min == max */ }; -int regulator_set_supply(const char *regulator, const char *regulator_supply); +/** + * struct regulator_consumer_supply - supply -> device mapping + * + * This maps a supply name to a device. + */ +struct regulator_consumer_supply { + struct device *dev; /* consumer */ + const char *supply; /* consumer supply - e.g. "vcc" */ +}; -const char *regulator_get_supply(const char *regulator); +/** + * struct regulator_init_data - regulator platform initialisation data. + * + * Initialisation constraints, our supply and consumers supplies. + */ +struct regulator_init_data { + struct device *supply_regulator_dev; /* or NULL for LINE */ -int regulator_set_machine_constraints(const char *regulator, - struct regulation_constraints *constraints); + struct regulation_constraints constraints; -int regulator_set_device_supply(const char *regulator, struct device *dev, - const char *supply); + int num_consumer_supplies; + struct regulator_consumer_supply *consumer_supplies; + + /* optional regulator machine specific init */ + int (*regulator_init)(void *driver_data); + void *driver_data; /* core does not touch this */ +}; int regulator_suspend_prepare(suspend_state_t state); -- GitLab From 3de89609a82aa68f543cba263eb28725e0fde511 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Sep 2008 16:21:17 +0100 Subject: [PATCH 4471/6244] regulator: Fix typo Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- include/linux/regulator/driver.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index bc01b42a8583..e37d80561985 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -51,7 +51,7 @@ struct regulator_ops { int output_uV, int load_uA); /* the operations below are for configuration of regulator state when - * it's parent PMIC enters a global STANBY/HIBERNATE state */ + * its parent PMIC enters a global STANDBY/HIBERNATE state */ /* set regulator suspend voltage */ int (*set_suspend_voltage) (struct regulator_dev *, int uV); -- GitLab From 46fabe1edd44a8893d88d7982f88d01ccf77f0bb Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Sep 2008 16:21:18 +0100 Subject: [PATCH 4472/6244] regulator: check for init_data on registration Since it is now mandatory to supply constraints via init_data on device registration check for that when registering, saving us from oopsing later on. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 84202eaace57..65e07b941a36 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1691,6 +1691,9 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc, !regulator_desc->type == REGULATOR_CURRENT) return ERR_PTR(-EINVAL); + if (!init_data) + return ERR_PTR(-EINVAL); + rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL); if (rdev == NULL) return ERR_PTR(-ENOMEM); -- GitLab From e06f5b4fea243b152c79fe5d9552a852069de483 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Sep 2008 16:21:19 +0100 Subject: [PATCH 4473/6244] regulator: Additional diagnostics for machine constraints Try to find a human readable name for the regulator we're failing on and print a specific diagnostic when we fail to set the suspend state. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 65e07b941a36..04408896705e 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -669,6 +669,14 @@ static int set_machine_constraints(struct regulator_dev *rdev, struct regulation_constraints *constraints) { int ret = 0; + const char *name; + + if (constraints->name) + name = constraints->name; + else if (rdev->desc->name) + name = rdev->desc->name; + else + name = "regulator"; rdev->constraints = constraints; @@ -679,9 +687,9 @@ static int set_machine_constraints(struct regulator_dev *rdev, ret = rdev->desc->ops->set_voltage(rdev, rdev->constraints->min_uV, rdev->constraints->max_uV); if (ret < 0) { - printk(KERN_ERR "%s: failed to apply %duV" - " constraint\n", __func__, - rdev->constraints->min_uV); + printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", + __func__, + rdev->constraints->min_uV, name); rdev->constraints = NULL; goto out; } @@ -692,8 +700,15 @@ static int set_machine_constraints(struct regulator_dev *rdev, rdev->use_count = 1; /* do we need to setup our suspend state */ - if (constraints->initial_state) + if (constraints->initial_state) { ret = suspend_prepare(rdev, constraints->initial_state); + if (ret < 0) { + printk(KERN_ERR "%s: failed to set suspend state for %s\n", + __func__, name); + rdev->constraints = NULL; + goto out; + } + } print_constraints(rdev); out: -- GitLab From e5fda26c7ea9430d7d953364f900bafdce2be67b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 9 Sep 2008 16:21:20 +0100 Subject: [PATCH 4474/6244] regulator: Enable regulators marked as always_on If the machine constraints mark a regulator as always_on but this was not done by the bootloader then enable the regulator when applying constraints. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/core.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 04408896705e..9a6757decd3d 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -670,6 +670,7 @@ static int set_machine_constraints(struct regulator_dev *rdev, { int ret = 0; const char *name; + struct regulator_ops *ops = rdev->desc->ops; if (constraints->name) name = constraints->name; @@ -683,8 +684,8 @@ static int set_machine_constraints(struct regulator_dev *rdev, /* do we need to apply the constraint voltage */ if (rdev->constraints->apply_uV && rdev->constraints->min_uV == rdev->constraints->max_uV && - rdev->desc->ops->set_voltage) { - ret = rdev->desc->ops->set_voltage(rdev, + ops->set_voltage) { + ret = ops->set_voltage(rdev, rdev->constraints->min_uV, rdev->constraints->max_uV); if (ret < 0) { printk(KERN_ERR "%s: failed to apply %duV constraint to %s\n", @@ -710,6 +711,20 @@ static int set_machine_constraints(struct regulator_dev *rdev, } } + /* if always_on is set then turn the regulator on if it's not + * already on. */ + if (constraints->always_on && ops->enable && + ((ops->is_enabled && !ops->is_enabled(rdev)) || + (!ops->is_enabled && !constraints->boot_on))) { + ret = ops->enable(rdev); + if (ret < 0) { + printk(KERN_ERR "%s: failed to enable %s\n", + __func__, name); + rdev->constraints = NULL; + goto out; + } + } + print_constraints(rdev); out: return ret; -- GitLab From 8a62ab4c4eaf5bce4d9cc84b77d6402c4742d9ab Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Sun, 14 Sep 2008 17:40:21 +0100 Subject: [PATCH 4475/6244] regulator: update email address for Liam Girdwood Additionally added another web resource for voltage regulators. Signed-off-by: Liam Girdwood --- .../ABI/testing/sysfs-class-regulator | 42 +++++++++---------- MAINTAINERS | 3 +- 2 files changed, 23 insertions(+), 22 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-class-regulator b/Documentation/ABI/testing/sysfs-class-regulator index 79a4a75b2d2c..84e66fdad028 100644 --- a/Documentation/ABI/testing/sysfs-class-regulator +++ b/Documentation/ABI/testing/sysfs-class-regulator @@ -1,7 +1,7 @@ What: /sys/class/regulator/.../state Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called state. This holds the regulator output state. @@ -27,7 +27,7 @@ Description: What: /sys/class/regulator/.../type Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called type. This holds the regulator type. @@ -51,7 +51,7 @@ Description: What: /sys/class/regulator/.../microvolts Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called microvolts. This holds the regulator output voltage setting @@ -65,7 +65,7 @@ Description: What: /sys/class/regulator/.../microamps Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called microamps. This holds the regulator output current limit @@ -79,7 +79,7 @@ Description: What: /sys/class/regulator/.../opmode Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called opmode. This holds the regulator operating mode setting. @@ -102,7 +102,7 @@ Description: What: /sys/class/regulator/.../min_microvolts Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called min_microvolts. This holds the minimum safe working regulator @@ -116,7 +116,7 @@ Description: What: /sys/class/regulator/.../max_microvolts Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called max_microvolts. This holds the maximum safe working regulator @@ -130,7 +130,7 @@ Description: What: /sys/class/regulator/.../min_microamps Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called min_microamps. This holds the minimum safe working regulator @@ -145,7 +145,7 @@ Description: What: /sys/class/regulator/.../max_microamps Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called max_microamps. This holds the maximum safe working regulator @@ -160,7 +160,7 @@ Description: What: /sys/class/regulator/.../num_users Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called num_users. This holds the number of consumer devices that @@ -170,7 +170,7 @@ Description: What: /sys/class/regulator/.../requested_microamps Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called requested_microamps. This holds the total requested load @@ -181,7 +181,7 @@ Description: What: /sys/class/regulator/.../parent Date: April 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Some regulator directories will contain a link called parent. This points to the parent or supply regulator if one exists. @@ -189,7 +189,7 @@ Description: What: /sys/class/regulator/.../suspend_mem_microvolts Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_mem_microvolts. This holds the regulator output @@ -203,7 +203,7 @@ Description: What: /sys/class/regulator/.../suspend_disk_microvolts Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_disk_microvolts. This holds the regulator output @@ -217,7 +217,7 @@ Description: What: /sys/class/regulator/.../suspend_standby_microvolts Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_standby_microvolts. This holds the regulator output @@ -231,7 +231,7 @@ Description: What: /sys/class/regulator/.../suspend_mem_mode Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_mem_mode. This holds the regulator operating mode @@ -245,7 +245,7 @@ Description: What: /sys/class/regulator/.../suspend_disk_mode Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_disk_mode. This holds the regulator operating mode @@ -258,7 +258,7 @@ Description: What: /sys/class/regulator/.../suspend_standby_mode Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_standby_mode. This holds the regulator operating mode @@ -272,7 +272,7 @@ Description: What: /sys/class/regulator/.../suspend_mem_state Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_mem_state. This holds the regulator operating state @@ -287,7 +287,7 @@ Description: What: /sys/class/regulator/.../suspend_disk_state Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_disk_state. This holds the regulator operating state @@ -302,7 +302,7 @@ Description: What: /sys/class/regulator/.../suspend_standby_state Date: May 2008 KernelVersion: 2.6.26 -Contact: Liam Girdwood +Contact: Liam Girdwood Description: Each regulator directory will contain a field called suspend_standby_state. This holds the regulator operating diff --git a/MAINTAINERS b/MAINTAINERS index 74b808205312..3fa9ac680f0f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4520,10 +4520,11 @@ S: Maintained VOLTAGE AND CURRENT REGULATOR FRAMEWORK P: Liam Girdwood -M: lg@opensource.wolfsonmicro.com +M: lrg@slimlogic.co.uk P: Mark Brown M: broonie@opensource.wolfsonmicro.com W: http://opensource.wolfsonmicro.com/node/15 +W: http://www.slimlogic.co.uk/?page_id=5 T: git kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6.git S: Supported -- GitLab From 1d9f9f040035da73d6ee5d2b3b3a25483a980da3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 10 Sep 2008 18:58:42 +0100 Subject: [PATCH 4476/6244] mfd: Core support for the WM8400 AudioPlus HiFi CODEC and PMU The WM8400 is a highly integrated audio CODEC and power management unit optimised for use in mobile multimedia applications. This patch adds core support for the WM8400 to the MFD subsystem. Both I2C and SPI access are supported by the hardware but currently only I2C access is implemented. The code is structured to allow SPI support to be slotted in later. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/Kconfig | 8 + drivers/mfd/Makefile | 2 + drivers/mfd/wm8400-core.c | 455 +++++++++++ include/linux/mfd/wm8400-audio.h | 1186 ++++++++++++++++++++++++++++ include/linux/mfd/wm8400-private.h | 935 ++++++++++++++++++++++ 5 files changed, 2586 insertions(+) create mode 100644 drivers/mfd/wm8400-core.c create mode 100644 include/linux/mfd/wm8400-audio.h create mode 100644 include/linux/mfd/wm8400-private.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 0dae245c6259..a3ddf6581ea6 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -87,6 +87,14 @@ config MFD_TC6393XB help Support for Toshiba Mobile IO Controller TC6393XB +config MFD_WM8400 + tristate "Support Wolfson Microelectronics WM8400" + help + Support for the Wolfson Microelecronics WM8400 PMIC and audio + CODEC. This driver adds provides common support for accessing + the device, additional drivers must be enabled in order to use + the functionality of the device. + endmenu menu "Multimedia Capabilities Port drivers" diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 6abebe364419..1624c7d87a49 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -12,6 +12,8 @@ obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o +obj-$(CONFIG_MFD_WM8400) += wm8400-core.o + obj-$(CONFIG_MFD_CORE) += mfd-core.o obj-$(CONFIG_MCP) += mcp-core.o diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c new file mode 100644 index 000000000000..6a0cedb5bb8a --- /dev/null +++ b/drivers/mfd/wm8400-core.c @@ -0,0 +1,455 @@ +/* + * Core driver for WM8400. + * + * Copyright 2008 Wolfson Microelectronics PLC. + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + */ + +#include +#include +#include +#include +#include + +static struct { + u16 readable; /* Mask of readable bits */ + u16 writable; /* Mask of writable bits */ + u16 vol; /* Mask of volatile bits */ + int is_codec; /* Register controlled by codec reset */ + u16 default_val; /* Value on reset */ +} reg_data[] = { + { 0xFFFF, 0xFFFF, 0x0000, 0, 0x6172 }, /* R0 */ + { 0x7000, 0x0000, 0x8000, 0, 0x0000 }, /* R1 */ + { 0xFF17, 0xFF17, 0x0000, 0, 0x0000 }, /* R2 */ + { 0xEBF3, 0xEBF3, 0x0000, 1, 0x6000 }, /* R3 */ + { 0x3CF3, 0x3CF3, 0x0000, 1, 0x0000 }, /* R4 */ + { 0xF1F8, 0xF1F8, 0x0000, 1, 0x4050 }, /* R5 */ + { 0xFC1F, 0xFC1F, 0x0000, 1, 0x4000 }, /* R6 */ + { 0xDFDE, 0xDFDE, 0x0000, 1, 0x01C8 }, /* R7 */ + { 0xFCFC, 0xFCFC, 0x0000, 1, 0x0000 }, /* R8 */ + { 0xEFFF, 0xEFFF, 0x0000, 1, 0x0040 }, /* R9 */ + { 0xEFFF, 0xEFFF, 0x0000, 1, 0x0040 }, /* R10 */ + { 0x27F7, 0x27F7, 0x0000, 1, 0x0004 }, /* R11 */ + { 0x01FF, 0x01FF, 0x0000, 1, 0x00C0 }, /* R12 */ + { 0x01FF, 0x01FF, 0x0000, 1, 0x00C0 }, /* R13 */ + { 0x1FEF, 0x1FEF, 0x0000, 1, 0x0000 }, /* R14 */ + { 0x0163, 0x0163, 0x0000, 1, 0x0100 }, /* R15 */ + { 0x01FF, 0x01FF, 0x0000, 1, 0x00C0 }, /* R16 */ + { 0x01FF, 0x01FF, 0x0000, 1, 0x00C0 }, /* R17 */ + { 0x1FFF, 0x0FFF, 0x0000, 1, 0x0000 }, /* R18 */ + { 0xFFFF, 0xFFFF, 0x0000, 1, 0x1000 }, /* R19 */ + { 0xFFFF, 0xFFFF, 0x0000, 1, 0x1010 }, /* R20 */ + { 0xFFFF, 0xFFFF, 0x0000, 1, 0x1010 }, /* R21 */ + { 0x0FDD, 0x0FDD, 0x0000, 1, 0x8000 }, /* R22 */ + { 0x1FFF, 0x1FFF, 0x0000, 1, 0x0800 }, /* R23 */ + { 0x0000, 0x01DF, 0x0000, 1, 0x008B }, /* R24 */ + { 0x0000, 0x01DF, 0x0000, 1, 0x008B }, /* R25 */ + { 0x0000, 0x01DF, 0x0000, 1, 0x008B }, /* R26 */ + { 0x0000, 0x01DF, 0x0000, 1, 0x008B }, /* R27 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R28 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R29 */ + { 0x0000, 0x0077, 0x0000, 1, 0x0066 }, /* R30 */ + { 0x0000, 0x0033, 0x0000, 1, 0x0022 }, /* R31 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0079 }, /* R32 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0079 }, /* R33 */ + { 0x0000, 0x0003, 0x0000, 1, 0x0003 }, /* R34 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0003 }, /* R35 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R36 */ + { 0x0000, 0x003F, 0x0000, 1, 0x0100 }, /* R37 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R38 */ + { 0x0000, 0x000F, 0x0000, 0, 0x0000 }, /* R39 */ + { 0x0000, 0x00FF, 0x0000, 1, 0x0000 }, /* R40 */ + { 0x0000, 0x01B7, 0x0000, 1, 0x0000 }, /* R41 */ + { 0x0000, 0x01B7, 0x0000, 1, 0x0000 }, /* R42 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R43 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R44 */ + { 0x0000, 0x00FD, 0x0000, 1, 0x0000 }, /* R45 */ + { 0x0000, 0x00FD, 0x0000, 1, 0x0000 }, /* R46 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R47 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R48 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R49 */ + { 0x0000, 0x01FF, 0x0000, 1, 0x0000 }, /* R50 */ + { 0x0000, 0x01B3, 0x0000, 1, 0x0180 }, /* R51 */ + { 0x0000, 0x0077, 0x0000, 1, 0x0000 }, /* R52 */ + { 0x0000, 0x0077, 0x0000, 1, 0x0000 }, /* R53 */ + { 0x0000, 0x00FF, 0x0000, 1, 0x0000 }, /* R54 */ + { 0x0000, 0x0001, 0x0000, 1, 0x0000 }, /* R55 */ + { 0x0000, 0x003F, 0x0000, 1, 0x0000 }, /* R56 */ + { 0x0000, 0x004F, 0x0000, 1, 0x0000 }, /* R57 */ + { 0x0000, 0x00FD, 0x0000, 1, 0x0000 }, /* R58 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R59 */ + { 0x1FFF, 0x1FFF, 0x0000, 1, 0x0000 }, /* R60 */ + { 0xFFFF, 0xFFFF, 0x0000, 1, 0x0000 }, /* R61 */ + { 0x03FF, 0x03FF, 0x0000, 1, 0x0000 }, /* R62 */ + { 0x007F, 0x007F, 0x0000, 1, 0x0000 }, /* R63 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R64 */ + { 0xDFFF, 0xDFFF, 0x0000, 0, 0x0000 }, /* R65 */ + { 0xDFFF, 0xDFFF, 0x0000, 0, 0x0000 }, /* R66 */ + { 0xDFFF, 0xDFFF, 0x0000, 0, 0x0000 }, /* R67 */ + { 0xDFFF, 0xDFFF, 0x0000, 0, 0x0000 }, /* R68 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R69 */ + { 0xFFFF, 0xFFFF, 0x0000, 0, 0x4400 }, /* R70 */ + { 0x23FF, 0x23FF, 0x0000, 0, 0x0000 }, /* R71 */ + { 0xFFFF, 0xFFFF, 0x0000, 0, 0x4400 }, /* R72 */ + { 0x23FF, 0x23FF, 0x0000, 0, 0x0000 }, /* R73 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R74 */ + { 0x000E, 0x000E, 0x0000, 0, 0x0008 }, /* R75 */ + { 0xE00F, 0xE00F, 0x0000, 0, 0x0000 }, /* R76 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R77 */ + { 0x03C0, 0x03C0, 0x0000, 0, 0x02C0 }, /* R78 */ + { 0xFFFF, 0x0000, 0xffff, 0, 0x0000 }, /* R79 */ + { 0xFFFF, 0xFFFF, 0x0000, 0, 0x0000 }, /* R80 */ + { 0xFFFF, 0x0000, 0xffff, 0, 0x0000 }, /* R81 */ + { 0x2BFF, 0x0000, 0xffff, 0, 0x0000 }, /* R82 */ + { 0x0000, 0x0000, 0x0000, 0, 0x0000 }, /* R83 */ + { 0x80FF, 0x80FF, 0x0000, 0, 0x00ff }, /* R84 */ +}; + +static int wm8400_read(struct wm8400 *wm8400, u8 reg, int num_regs, u16 *dest) +{ + int i, ret = 0; + + BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache)); + + /* If there are any volatile reads then read back the entire block */ + for (i = reg; i < reg + num_regs; i++) + if (reg_data[i].vol) { + ret = wm8400->read_dev(wm8400->io_data, reg, + num_regs, dest); + if (ret != 0) + return ret; + for (i = 0; i < num_regs; i++) + dest[i] = be16_to_cpu(dest[i]); + + return 0; + } + + /* Otherwise use the cache */ + memcpy(dest, &wm8400->reg_cache[reg], num_regs * sizeof(u16)); + + return 0; +} + +static int wm8400_write(struct wm8400 *wm8400, u8 reg, int num_regs, + u16 *src) +{ + int ret, i; + + BUG_ON(reg + num_regs - 1 > ARRAY_SIZE(wm8400->reg_cache)); + + for (i = 0; i < num_regs; i++) { + BUG_ON(!reg_data[reg + i].writable); + wm8400->reg_cache[reg + i] = src[i]; + src[i] = cpu_to_be16(src[i]); + } + + /* Do the actual I/O */ + ret = wm8400->write_dev(wm8400->io_data, reg, num_regs, src); + if (ret != 0) + return -EIO; + + return 0; +} + +/** + * wm8400_reg_read - Single register read + * + * @wm8400: Pointer to wm8400 control structure + * @reg: Register to read + * + * @return Read value + */ +u16 wm8400_reg_read(struct wm8400 *wm8400, u8 reg) +{ + u16 val; + + mutex_lock(&wm8400->io_lock); + + wm8400_read(wm8400, reg, 1, &val); + + mutex_unlock(&wm8400->io_lock); + + return val; +} +EXPORT_SYMBOL_GPL(wm8400_reg_read); + +int wm8400_block_read(struct wm8400 *wm8400, u8 reg, int count, u16 *data) +{ + int ret; + + mutex_lock(&wm8400->io_lock); + + ret = wm8400_read(wm8400, reg, count, data); + + mutex_unlock(&wm8400->io_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(wm8400_block_read); + +/** + * wm8400_set_bits - Bitmask write + * + * @wm8400: Pointer to wm8400 control structure + * @reg: Register to access + * @mask: Mask of bits to change + * @val: Value to set for masked bits + */ +int wm8400_set_bits(struct wm8400 *wm8400, u8 reg, u16 mask, u16 val) +{ + u16 tmp; + int ret; + + mutex_lock(&wm8400->io_lock); + + ret = wm8400_read(wm8400, reg, 1, &tmp); + tmp = (tmp & ~mask) | val; + if (ret == 0) + ret = wm8400_write(wm8400, reg, 1, &tmp); + + mutex_unlock(&wm8400->io_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(wm8400_set_bits); + +/** + * wm8400_reset_codec_reg_cache - Reset cached codec registers to + * their default values. + */ +void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400) +{ + int i; + + mutex_lock(&wm8400->io_lock); + + /* Reset all codec registers to their initial value */ + for (i = 0; i < ARRAY_SIZE(wm8400->reg_cache); i++) + if (reg_data[i].is_codec) + wm8400->reg_cache[i] = reg_data[i].default_val; + + mutex_unlock(&wm8400->io_lock); +} +EXPORT_SYMBOL_GPL(wm8400_reset_codec_reg_cache); + +/* + * wm8400_init - Generic initialisation + * + * The WM8400 can be configured as either an I2C or SPI device. Probe + * functions for each bus set up the accessors then call into this to + * set up the device itself. + */ +static int wm8400_init(struct wm8400 *wm8400, + struct wm8400_platform_data *pdata) +{ + u16 reg; + int ret, i; + + mutex_init(&wm8400->io_lock); + + wm8400->dev->driver_data = wm8400; + + /* Check that this is actually a WM8400 */ + ret = wm8400->read_dev(wm8400->io_data, WM8400_RESET_ID, 1, ®); + if (ret != 0) { + dev_err(wm8400->dev, "Chip ID register read failed\n"); + return -EIO; + } + if (be16_to_cpu(reg) != reg_data[WM8400_RESET_ID].default_val) { + dev_err(wm8400->dev, "Device is not a WM8400, ID is %x\n", + be16_to_cpu(reg)); + return -ENODEV; + } + + /* We don't know what state the hardware is in and since this + * is a PMIC we can't reset it safely so initialise the register + * cache from the hardware. + */ + ret = wm8400->read_dev(wm8400->io_data, 0, + ARRAY_SIZE(wm8400->reg_cache), + wm8400->reg_cache); + if (ret != 0) { + dev_err(wm8400->dev, "Register cache read failed\n"); + return -EIO; + } + for (i = 0; i < ARRAY_SIZE(wm8400->reg_cache); i++) + wm8400->reg_cache[i] = be16_to_cpu(wm8400->reg_cache[i]); + + /* If the codec is in reset use hard coded values */ + if (!(wm8400->reg_cache[WM8400_POWER_MANAGEMENT_1] & WM8400_CODEC_ENA)) + for (i = 0; i < ARRAY_SIZE(wm8400->reg_cache); i++) + if (reg_data[i].is_codec) + wm8400->reg_cache[i] = reg_data[i].default_val; + + ret = wm8400_read(wm8400, WM8400_ID, 1, ®); + if (ret != 0) { + dev_err(wm8400->dev, "ID register read failed: %d\n", ret); + return ret; + } + reg = (reg & WM8400_CHIP_REV_MASK) >> WM8400_CHIP_REV_SHIFT; + dev_info(wm8400->dev, "WM8400 revision %x\n", reg); + + if (pdata && pdata->platform_init) { + ret = pdata->platform_init(wm8400->dev); + if (ret != 0) + dev_err(wm8400->dev, "Platform init failed: %d\n", + ret); + } else + dev_warn(wm8400->dev, "No platform initialisation supplied\n"); + + return ret; +} + +static void wm8400_release(struct wm8400 *wm8400) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(wm8400->regulators); i++) + if (wm8400->regulators[i].name) + platform_device_unregister(&wm8400->regulators[i]); +} + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static int wm8400_i2c_read(void *io_data, char reg, int count, u16 *dest) +{ + struct i2c_client *i2c = io_data; + struct i2c_msg xfer[2]; + int ret; + + /* Write register */ + xfer[0].addr = i2c->addr; + xfer[0].flags = 0; + xfer[0].len = 1; + xfer[0].buf = ® + + /* Read data */ + xfer[1].addr = i2c->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = count * sizeof(u16); + xfer[1].buf = (u8 *)dest; + + ret = i2c_transfer(i2c->adapter, xfer, 2); + if (ret == 2) + ret = 0; + else if (ret >= 0) + ret = -EIO; + + return ret; +} + +static int wm8400_i2c_write(void *io_data, char reg, int count, const u16 *src) +{ + struct i2c_client *i2c = io_data; + u8 *msg; + int ret; + + /* We add 1 byte for device register - ideally I2C would gather. */ + msg = kmalloc((count * sizeof(u16)) + 1, GFP_KERNEL); + if (msg == NULL) + return -ENOMEM; + + msg[0] = reg; + memcpy(&msg[1], src, count * sizeof(u16)); + + ret = i2c_master_send(i2c, msg, (count * sizeof(u16)) + 1); + + if (ret == (count * 2) + 1) + ret = 0; + else if (ret >= 0) + ret = -EIO; + + kfree(msg); + + return ret; +} + +static int wm8400_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct wm8400 *wm8400; + int ret; + + wm8400 = kzalloc(sizeof(struct wm8400), GFP_KERNEL); + if (wm8400 == NULL) { + ret = -ENOMEM; + goto err; + } + + wm8400->io_data = i2c; + wm8400->read_dev = wm8400_i2c_read; + wm8400->write_dev = wm8400_i2c_write; + wm8400->dev = &i2c->dev; + i2c_set_clientdata(i2c, wm8400); + + ret = wm8400_init(wm8400, i2c->dev.platform_data); + if (ret != 0) + goto struct_err; + + return 0; + +struct_err: + i2c_set_clientdata(i2c, NULL); + kfree(wm8400); +err: + return ret; +} + +static int wm8400_i2c_remove(struct i2c_client *i2c) +{ + struct wm8400 *wm8400 = i2c_get_clientdata(i2c); + + wm8400_release(wm8400); + i2c_set_clientdata(i2c, NULL); + kfree(wm8400); + + return 0; +} + +static const struct i2c_device_id wm8400_i2c_id[] = { + { "wm8400", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8400_i2c_id); + +static struct i2c_driver wm8400_i2c_driver = { + .driver = { + .name = "WM8400", + .owner = THIS_MODULE, + }, + .probe = wm8400_i2c_probe, + .remove = wm8400_i2c_remove, + .id_table = wm8400_i2c_id, +}; +#endif + +static int __init wm8400_module_init(void) +{ + int ret = -ENODEV; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + ret = i2c_add_driver(&wm8400_i2c_driver); + if (ret != 0) + pr_err("Failed to register I2C driver: %d\n", ret); +#endif + + return ret; +} +module_init(wm8400_module_init); + +static void __exit wm8400_module_exit(void) +{ +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&wm8400_i2c_driver); +#endif +} +module_exit(wm8400_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Mark Brown "); diff --git a/include/linux/mfd/wm8400-audio.h b/include/linux/mfd/wm8400-audio.h new file mode 100644 index 000000000000..b6640e018046 --- /dev/null +++ b/include/linux/mfd/wm8400-audio.h @@ -0,0 +1,1186 @@ +/* + * wm8400 private definitions for audio + * + * Copyright 2008 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_MFD_WM8400_AUDIO_H +#define __LINUX_MFD_WM8400_AUDIO_H + +#include + +/* + * R2 (0x02) - Power Management (1) + */ +#define WM8400_CODEC_ENA 0x8000 /* CODEC_ENA */ +#define WM8400_CODEC_ENA_MASK 0x8000 /* CODEC_ENA */ +#define WM8400_CODEC_ENA_SHIFT 15 /* CODEC_ENA */ +#define WM8400_CODEC_ENA_WIDTH 1 /* CODEC_ENA */ +#define WM8400_SYSCLK_ENA 0x4000 /* SYSCLK_ENA */ +#define WM8400_SYSCLK_ENA_MASK 0x4000 /* SYSCLK_ENA */ +#define WM8400_SYSCLK_ENA_SHIFT 14 /* SYSCLK_ENA */ +#define WM8400_SYSCLK_ENA_WIDTH 1 /* SYSCLK_ENA */ +#define WM8400_SPK_MIX_ENA 0x2000 /* SPK_MIX_ENA */ +#define WM8400_SPK_MIX_ENA_MASK 0x2000 /* SPK_MIX_ENA */ +#define WM8400_SPK_MIX_ENA_SHIFT 13 /* SPK_MIX_ENA */ +#define WM8400_SPK_MIX_ENA_WIDTH 1 /* SPK_MIX_ENA */ +#define WM8400_SPK_ENA 0x1000 /* SPK_ENA */ +#define WM8400_SPK_ENA_MASK 0x1000 /* SPK_ENA */ +#define WM8400_SPK_ENA_SHIFT 12 /* SPK_ENA */ +#define WM8400_SPK_ENA_WIDTH 1 /* SPK_ENA */ +#define WM8400_OUT3_ENA 0x0800 /* OUT3_ENA */ +#define WM8400_OUT3_ENA_MASK 0x0800 /* OUT3_ENA */ +#define WM8400_OUT3_ENA_SHIFT 11 /* OUT3_ENA */ +#define WM8400_OUT3_ENA_WIDTH 1 /* OUT3_ENA */ +#define WM8400_OUT4_ENA 0x0400 /* OUT4_ENA */ +#define WM8400_OUT4_ENA_MASK 0x0400 /* OUT4_ENA */ +#define WM8400_OUT4_ENA_SHIFT 10 /* OUT4_ENA */ +#define WM8400_OUT4_ENA_WIDTH 1 /* OUT4_ENA */ +#define WM8400_LOUT_ENA 0x0200 /* LOUT_ENA */ +#define WM8400_LOUT_ENA_MASK 0x0200 /* LOUT_ENA */ +#define WM8400_LOUT_ENA_SHIFT 9 /* LOUT_ENA */ +#define WM8400_LOUT_ENA_WIDTH 1 /* LOUT_ENA */ +#define WM8400_ROUT_ENA 0x0100 /* ROUT_ENA */ +#define WM8400_ROUT_ENA_MASK 0x0100 /* ROUT_ENA */ +#define WM8400_ROUT_ENA_SHIFT 8 /* ROUT_ENA */ +#define WM8400_ROUT_ENA_WIDTH 1 /* ROUT_ENA */ +#define WM8400_MIC1BIAS_ENA 0x0010 /* MIC1BIAS_ENA */ +#define WM8400_MIC1BIAS_ENA_MASK 0x0010 /* MIC1BIAS_ENA */ +#define WM8400_MIC1BIAS_ENA_SHIFT 4 /* MIC1BIAS_ENA */ +#define WM8400_MIC1BIAS_ENA_WIDTH 1 /* MIC1BIAS_ENA */ +#define WM8400_VMID_MODE_MASK 0x0006 /* VMID_MODE - [2:1] */ +#define WM8400_VMID_MODE_SHIFT 1 /* VMID_MODE - [2:1] */ +#define WM8400_VMID_MODE_WIDTH 2 /* VMID_MODE - [2:1] */ +#define WM8400_VREF_ENA 0x0001 /* VREF_ENA */ +#define WM8400_VREF_ENA_MASK 0x0001 /* VREF_ENA */ +#define WM8400_VREF_ENA_SHIFT 0 /* VREF_ENA */ +#define WM8400_VREF_ENA_WIDTH 1 /* VREF_ENA */ + +/* + * R3 (0x03) - Power Management (2) + */ +#define WM8400_FLL_ENA 0x8000 /* FLL_ENA */ +#define WM8400_FLL_ENA_MASK 0x8000 /* FLL_ENA */ +#define WM8400_FLL_ENA_SHIFT 15 /* FLL_ENA */ +#define WM8400_FLL_ENA_WIDTH 1 /* FLL_ENA */ +#define WM8400_TSHUT_ENA 0x4000 /* TSHUT_ENA */ +#define WM8400_TSHUT_ENA_MASK 0x4000 /* TSHUT_ENA */ +#define WM8400_TSHUT_ENA_SHIFT 14 /* TSHUT_ENA */ +#define WM8400_TSHUT_ENA_WIDTH 1 /* TSHUT_ENA */ +#define WM8400_TSHUT_OPDIS 0x2000 /* TSHUT_OPDIS */ +#define WM8400_TSHUT_OPDIS_MASK 0x2000 /* TSHUT_OPDIS */ +#define WM8400_TSHUT_OPDIS_SHIFT 13 /* TSHUT_OPDIS */ +#define WM8400_TSHUT_OPDIS_WIDTH 1 /* TSHUT_OPDIS */ +#define WM8400_OPCLK_ENA 0x0800 /* OPCLK_ENA */ +#define WM8400_OPCLK_ENA_MASK 0x0800 /* OPCLK_ENA */ +#define WM8400_OPCLK_ENA_SHIFT 11 /* OPCLK_ENA */ +#define WM8400_OPCLK_ENA_WIDTH 1 /* OPCLK_ENA */ +#define WM8400_AINL_ENA 0x0200 /* AINL_ENA */ +#define WM8400_AINL_ENA_MASK 0x0200 /* AINL_ENA */ +#define WM8400_AINL_ENA_SHIFT 9 /* AINL_ENA */ +#define WM8400_AINL_ENA_WIDTH 1 /* AINL_ENA */ +#define WM8400_AINR_ENA 0x0100 /* AINR_ENA */ +#define WM8400_AINR_ENA_MASK 0x0100 /* AINR_ENA */ +#define WM8400_AINR_ENA_SHIFT 8 /* AINR_ENA */ +#define WM8400_AINR_ENA_WIDTH 1 /* AINR_ENA */ +#define WM8400_LIN34_ENA 0x0080 /* LIN34_ENA */ +#define WM8400_LIN34_ENA_MASK 0x0080 /* LIN34_ENA */ +#define WM8400_LIN34_ENA_SHIFT 7 /* LIN34_ENA */ +#define WM8400_LIN34_ENA_WIDTH 1 /* LIN34_ENA */ +#define WM8400_LIN12_ENA 0x0040 /* LIN12_ENA */ +#define WM8400_LIN12_ENA_MASK 0x0040 /* LIN12_ENA */ +#define WM8400_LIN12_ENA_SHIFT 6 /* LIN12_ENA */ +#define WM8400_LIN12_ENA_WIDTH 1 /* LIN12_ENA */ +#define WM8400_RIN34_ENA 0x0020 /* RIN34_ENA */ +#define WM8400_RIN34_ENA_MASK 0x0020 /* RIN34_ENA */ +#define WM8400_RIN34_ENA_SHIFT 5 /* RIN34_ENA */ +#define WM8400_RIN34_ENA_WIDTH 1 /* RIN34_ENA */ +#define WM8400_RIN12_ENA 0x0010 /* RIN12_ENA */ +#define WM8400_RIN12_ENA_MASK 0x0010 /* RIN12_ENA */ +#define WM8400_RIN12_ENA_SHIFT 4 /* RIN12_ENA */ +#define WM8400_RIN12_ENA_WIDTH 1 /* RIN12_ENA */ +#define WM8400_ADCL_ENA 0x0002 /* ADCL_ENA */ +#define WM8400_ADCL_ENA_MASK 0x0002 /* ADCL_ENA */ +#define WM8400_ADCL_ENA_SHIFT 1 /* ADCL_ENA */ +#define WM8400_ADCL_ENA_WIDTH 1 /* ADCL_ENA */ +#define WM8400_ADCR_ENA 0x0001 /* ADCR_ENA */ +#define WM8400_ADCR_ENA_MASK 0x0001 /* ADCR_ENA */ +#define WM8400_ADCR_ENA_SHIFT 0 /* ADCR_ENA */ +#define WM8400_ADCR_ENA_WIDTH 1 /* ADCR_ENA */ + +/* + * R4 (0x04) - Power Management (3) + */ +#define WM8400_LON_ENA 0x2000 /* LON_ENA */ +#define WM8400_LON_ENA_MASK 0x2000 /* LON_ENA */ +#define WM8400_LON_ENA_SHIFT 13 /* LON_ENA */ +#define WM8400_LON_ENA_WIDTH 1 /* LON_ENA */ +#define WM8400_LOP_ENA 0x1000 /* LOP_ENA */ +#define WM8400_LOP_ENA_MASK 0x1000 /* LOP_ENA */ +#define WM8400_LOP_ENA_SHIFT 12 /* LOP_ENA */ +#define WM8400_LOP_ENA_WIDTH 1 /* LOP_ENA */ +#define WM8400_RON_ENA 0x0800 /* RON_ENA */ +#define WM8400_RON_ENA_MASK 0x0800 /* RON_ENA */ +#define WM8400_RON_ENA_SHIFT 11 /* RON_ENA */ +#define WM8400_RON_ENA_WIDTH 1 /* RON_ENA */ +#define WM8400_ROP_ENA 0x0400 /* ROP_ENA */ +#define WM8400_ROP_ENA_MASK 0x0400 /* ROP_ENA */ +#define WM8400_ROP_ENA_SHIFT 10 /* ROP_ENA */ +#define WM8400_ROP_ENA_WIDTH 1 /* ROP_ENA */ +#define WM8400_LOPGA_ENA 0x0080 /* LOPGA_ENA */ +#define WM8400_LOPGA_ENA_MASK 0x0080 /* LOPGA_ENA */ +#define WM8400_LOPGA_ENA_SHIFT 7 /* LOPGA_ENA */ +#define WM8400_LOPGA_ENA_WIDTH 1 /* LOPGA_ENA */ +#define WM8400_ROPGA_ENA 0x0040 /* ROPGA_ENA */ +#define WM8400_ROPGA_ENA_MASK 0x0040 /* ROPGA_ENA */ +#define WM8400_ROPGA_ENA_SHIFT 6 /* ROPGA_ENA */ +#define WM8400_ROPGA_ENA_WIDTH 1 /* ROPGA_ENA */ +#define WM8400_LOMIX_ENA 0x0020 /* LOMIX_ENA */ +#define WM8400_LOMIX_ENA_MASK 0x0020 /* LOMIX_ENA */ +#define WM8400_LOMIX_ENA_SHIFT 5 /* LOMIX_ENA */ +#define WM8400_LOMIX_ENA_WIDTH 1 /* LOMIX_ENA */ +#define WM8400_ROMIX_ENA 0x0010 /* ROMIX_ENA */ +#define WM8400_ROMIX_ENA_MASK 0x0010 /* ROMIX_ENA */ +#define WM8400_ROMIX_ENA_SHIFT 4 /* ROMIX_ENA */ +#define WM8400_ROMIX_ENA_WIDTH 1 /* ROMIX_ENA */ +#define WM8400_DACL_ENA 0x0002 /* DACL_ENA */ +#define WM8400_DACL_ENA_MASK 0x0002 /* DACL_ENA */ +#define WM8400_DACL_ENA_SHIFT 1 /* DACL_ENA */ +#define WM8400_DACL_ENA_WIDTH 1 /* DACL_ENA */ +#define WM8400_DACR_ENA 0x0001 /* DACR_ENA */ +#define WM8400_DACR_ENA_MASK 0x0001 /* DACR_ENA */ +#define WM8400_DACR_ENA_SHIFT 0 /* DACR_ENA */ +#define WM8400_DACR_ENA_WIDTH 1 /* DACR_ENA */ + +/* + * R5 (0x05) - Audio Interface (1) + */ +#define WM8400_AIFADCL_SRC 0x8000 /* AIFADCL_SRC */ +#define WM8400_AIFADCL_SRC_MASK 0x8000 /* AIFADCL_SRC */ +#define WM8400_AIFADCL_SRC_SHIFT 15 /* AIFADCL_SRC */ +#define WM8400_AIFADCL_SRC_WIDTH 1 /* AIFADCL_SRC */ +#define WM8400_AIFADCR_SRC 0x4000 /* AIFADCR_SRC */ +#define WM8400_AIFADCR_SRC_MASK 0x4000 /* AIFADCR_SRC */ +#define WM8400_AIFADCR_SRC_SHIFT 14 /* AIFADCR_SRC */ +#define WM8400_AIFADCR_SRC_WIDTH 1 /* AIFADCR_SRC */ +#define WM8400_AIFADC_TDM 0x2000 /* AIFADC_TDM */ +#define WM8400_AIFADC_TDM_MASK 0x2000 /* AIFADC_TDM */ +#define WM8400_AIFADC_TDM_SHIFT 13 /* AIFADC_TDM */ +#define WM8400_AIFADC_TDM_WIDTH 1 /* AIFADC_TDM */ +#define WM8400_AIFADC_TDM_CHAN 0x1000 /* AIFADC_TDM_CHAN */ +#define WM8400_AIFADC_TDM_CHAN_MASK 0x1000 /* AIFADC_TDM_CHAN */ +#define WM8400_AIFADC_TDM_CHAN_SHIFT 12 /* AIFADC_TDM_CHAN */ +#define WM8400_AIFADC_TDM_CHAN_WIDTH 1 /* AIFADC_TDM_CHAN */ +#define WM8400_AIF_BCLK_INV 0x0100 /* AIF_BCLK_INV */ +#define WM8400_AIF_BCLK_INV_MASK 0x0100 /* AIF_BCLK_INV */ +#define WM8400_AIF_BCLK_INV_SHIFT 8 /* AIF_BCLK_INV */ +#define WM8400_AIF_BCLK_INV_WIDTH 1 /* AIF_BCLK_INV */ +#define WM8400_AIF_LRCLK_INV 0x0080 /* AIF_LRCLK_INV */ +#define WM8400_AIF_LRCLK_INV_MASK 0x0080 /* AIF_LRCLK_INV */ +#define WM8400_AIF_LRCLK_INV_SHIFT 7 /* AIF_LRCLK_INV */ +#define WM8400_AIF_LRCLK_INV_WIDTH 1 /* AIF_LRCLK_INV */ +#define WM8400_AIF_WL_MASK 0x0060 /* AIF_WL - [6:5] */ +#define WM8400_AIF_WL_SHIFT 5 /* AIF_WL - [6:5] */ +#define WM8400_AIF_WL_WIDTH 2 /* AIF_WL - [6:5] */ +#define WM8400_AIF_WL_16BITS (0 << 5) +#define WM8400_AIF_WL_20BITS (1 << 5) +#define WM8400_AIF_WL_24BITS (2 << 5) +#define WM8400_AIF_WL_32BITS (3 << 5) +#define WM8400_AIF_FMT_MASK 0x0018 /* AIF_FMT - [4:3] */ +#define WM8400_AIF_FMT_SHIFT 3 /* AIF_FMT - [4:3] */ +#define WM8400_AIF_FMT_WIDTH 2 /* AIF_FMT - [4:3] */ +#define WM8400_AIF_FMT_RIGHTJ (0 << 3) +#define WM8400_AIF_FMT_LEFTJ (1 << 3) +#define WM8400_AIF_FMT_I2S (2 << 3) +#define WM8400_AIF_FMT_DSP (3 << 3) + +/* + * R6 (0x06) - Audio Interface (2) + */ +#define WM8400_DACL_SRC 0x8000 /* DACL_SRC */ +#define WM8400_DACL_SRC_MASK 0x8000 /* DACL_SRC */ +#define WM8400_DACL_SRC_SHIFT 15 /* DACL_SRC */ +#define WM8400_DACL_SRC_WIDTH 1 /* DACL_SRC */ +#define WM8400_DACR_SRC 0x4000 /* DACR_SRC */ +#define WM8400_DACR_SRC_MASK 0x4000 /* DACR_SRC */ +#define WM8400_DACR_SRC_SHIFT 14 /* DACR_SRC */ +#define WM8400_DACR_SRC_WIDTH 1 /* DACR_SRC */ +#define WM8400_AIFDAC_TDM 0x2000 /* AIFDAC_TDM */ +#define WM8400_AIFDAC_TDM_MASK 0x2000 /* AIFDAC_TDM */ +#define WM8400_AIFDAC_TDM_SHIFT 13 /* AIFDAC_TDM */ +#define WM8400_AIFDAC_TDM_WIDTH 1 /* AIFDAC_TDM */ +#define WM8400_AIFDAC_TDM_CHAN 0x1000 /* AIFDAC_TDM_CHAN */ +#define WM8400_AIFDAC_TDM_CHAN_MASK 0x1000 /* AIFDAC_TDM_CHAN */ +#define WM8400_AIFDAC_TDM_CHAN_SHIFT 12 /* AIFDAC_TDM_CHAN */ +#define WM8400_AIFDAC_TDM_CHAN_WIDTH 1 /* AIFDAC_TDM_CHAN */ +#define WM8400_DAC_BOOST_MASK 0x0C00 /* DAC_BOOST - [11:10] */ +#define WM8400_DAC_BOOST_SHIFT 10 /* DAC_BOOST - [11:10] */ +#define WM8400_DAC_BOOST_WIDTH 2 /* DAC_BOOST - [11:10] */ +#define WM8400_DAC_COMP 0x0010 /* DAC_COMP */ +#define WM8400_DAC_COMP_MASK 0x0010 /* DAC_COMP */ +#define WM8400_DAC_COMP_SHIFT 4 /* DAC_COMP */ +#define WM8400_DAC_COMP_WIDTH 1 /* DAC_COMP */ +#define WM8400_DAC_COMPMODE 0x0008 /* DAC_COMPMODE */ +#define WM8400_DAC_COMPMODE_MASK 0x0008 /* DAC_COMPMODE */ +#define WM8400_DAC_COMPMODE_SHIFT 3 /* DAC_COMPMODE */ +#define WM8400_DAC_COMPMODE_WIDTH 1 /* DAC_COMPMODE */ +#define WM8400_ADC_COMP 0x0004 /* ADC_COMP */ +#define WM8400_ADC_COMP_MASK 0x0004 /* ADC_COMP */ +#define WM8400_ADC_COMP_SHIFT 2 /* ADC_COMP */ +#define WM8400_ADC_COMP_WIDTH 1 /* ADC_COMP */ +#define WM8400_ADC_COMPMODE 0x0002 /* ADC_COMPMODE */ +#define WM8400_ADC_COMPMODE_MASK 0x0002 /* ADC_COMPMODE */ +#define WM8400_ADC_COMPMODE_SHIFT 1 /* ADC_COMPMODE */ +#define WM8400_ADC_COMPMODE_WIDTH 1 /* ADC_COMPMODE */ +#define WM8400_LOOPBACK 0x0001 /* LOOPBACK */ +#define WM8400_LOOPBACK_MASK 0x0001 /* LOOPBACK */ +#define WM8400_LOOPBACK_SHIFT 0 /* LOOPBACK */ +#define WM8400_LOOPBACK_WIDTH 1 /* LOOPBACK */ + +/* + * R7 (0x07) - Clocking (1) + */ +#define WM8400_TOCLK_RATE 0x8000 /* TOCLK_RATE */ +#define WM8400_TOCLK_RATE_MASK 0x8000 /* TOCLK_RATE */ +#define WM8400_TOCLK_RATE_SHIFT 15 /* TOCLK_RATE */ +#define WM8400_TOCLK_RATE_WIDTH 1 /* TOCLK_RATE */ +#define WM8400_TOCLK_ENA 0x4000 /* TOCLK_ENA */ +#define WM8400_TOCLK_ENA_MASK 0x4000 /* TOCLK_ENA */ +#define WM8400_TOCLK_ENA_SHIFT 14 /* TOCLK_ENA */ +#define WM8400_TOCLK_ENA_WIDTH 1 /* TOCLK_ENA */ +#define WM8400_OPCLKDIV_MASK 0x1E00 /* OPCLKDIV - [12:9] */ +#define WM8400_OPCLKDIV_SHIFT 9 /* OPCLKDIV - [12:9] */ +#define WM8400_OPCLKDIV_WIDTH 4 /* OPCLKDIV - [12:9] */ +#define WM8400_DCLKDIV_MASK 0x01C0 /* DCLKDIV - [8:6] */ +#define WM8400_DCLKDIV_SHIFT 6 /* DCLKDIV - [8:6] */ +#define WM8400_DCLKDIV_WIDTH 3 /* DCLKDIV - [8:6] */ +#define WM8400_BCLK_DIV_MASK 0x001E /* BCLK_DIV - [4:1] */ +#define WM8400_BCLK_DIV_SHIFT 1 /* BCLK_DIV - [4:1] */ +#define WM8400_BCLK_DIV_WIDTH 4 /* BCLK_DIV - [4:1] */ + +/* + * R8 (0x08) - Clocking (2) + */ +#define WM8400_MCLK_SRC 0x8000 /* MCLK_SRC */ +#define WM8400_MCLK_SRC_MASK 0x8000 /* MCLK_SRC */ +#define WM8400_MCLK_SRC_SHIFT 15 /* MCLK_SRC */ +#define WM8400_MCLK_SRC_WIDTH 1 /* MCLK_SRC */ +#define WM8400_SYSCLK_SRC 0x4000 /* SYSCLK_SRC */ +#define WM8400_SYSCLK_SRC_MASK 0x4000 /* SYSCLK_SRC */ +#define WM8400_SYSCLK_SRC_SHIFT 14 /* SYSCLK_SRC */ +#define WM8400_SYSCLK_SRC_WIDTH 1 /* SYSCLK_SRC */ +#define WM8400_CLK_FORCE 0x2000 /* CLK_FORCE */ +#define WM8400_CLK_FORCE_MASK 0x2000 /* CLK_FORCE */ +#define WM8400_CLK_FORCE_SHIFT 13 /* CLK_FORCE */ +#define WM8400_CLK_FORCE_WIDTH 1 /* CLK_FORCE */ +#define WM8400_MCLK_DIV_MASK 0x1800 /* MCLK_DIV - [12:11] */ +#define WM8400_MCLK_DIV_SHIFT 11 /* MCLK_DIV - [12:11] */ +#define WM8400_MCLK_DIV_WIDTH 2 /* MCLK_DIV - [12:11] */ +#define WM8400_MCLK_INV 0x0400 /* MCLK_INV */ +#define WM8400_MCLK_INV_MASK 0x0400 /* MCLK_INV */ +#define WM8400_MCLK_INV_SHIFT 10 /* MCLK_INV */ +#define WM8400_MCLK_INV_WIDTH 1 /* MCLK_INV */ +#define WM8400_ADC_CLKDIV_MASK 0x00E0 /* ADC_CLKDIV - [7:5] */ +#define WM8400_ADC_CLKDIV_SHIFT 5 /* ADC_CLKDIV - [7:5] */ +#define WM8400_ADC_CLKDIV_WIDTH 3 /* ADC_CLKDIV - [7:5] */ +#define WM8400_DAC_CLKDIV_MASK 0x001C /* DAC_CLKDIV - [4:2] */ +#define WM8400_DAC_CLKDIV_SHIFT 2 /* DAC_CLKDIV - [4:2] */ +#define WM8400_DAC_CLKDIV_WIDTH 3 /* DAC_CLKDIV - [4:2] */ + +/* + * R9 (0x09) - Audio Interface (3) + */ +#define WM8400_AIF_MSTR1 0x8000 /* AIF_MSTR1 */ +#define WM8400_AIF_MSTR1_MASK 0x8000 /* AIF_MSTR1 */ +#define WM8400_AIF_MSTR1_SHIFT 15 /* AIF_MSTR1 */ +#define WM8400_AIF_MSTR1_WIDTH 1 /* AIF_MSTR1 */ +#define WM8400_AIF_MSTR2 0x4000 /* AIF_MSTR2 */ +#define WM8400_AIF_MSTR2_MASK 0x4000 /* AIF_MSTR2 */ +#define WM8400_AIF_MSTR2_SHIFT 14 /* AIF_MSTR2 */ +#define WM8400_AIF_MSTR2_WIDTH 1 /* AIF_MSTR2 */ +#define WM8400_AIF_SEL 0x2000 /* AIF_SEL */ +#define WM8400_AIF_SEL_MASK 0x2000 /* AIF_SEL */ +#define WM8400_AIF_SEL_SHIFT 13 /* AIF_SEL */ +#define WM8400_AIF_SEL_WIDTH 1 /* AIF_SEL */ +#define WM8400_ADCLRC_DIR 0x0800 /* ADCLRC_DIR */ +#define WM8400_ADCLRC_DIR_MASK 0x0800 /* ADCLRC_DIR */ +#define WM8400_ADCLRC_DIR_SHIFT 11 /* ADCLRC_DIR */ +#define WM8400_ADCLRC_DIR_WIDTH 1 /* ADCLRC_DIR */ +#define WM8400_ADCLRC_RATE_MASK 0x07FF /* ADCLRC_RATE - [10:0] */ +#define WM8400_ADCLRC_RATE_SHIFT 0 /* ADCLRC_RATE - [10:0] */ +#define WM8400_ADCLRC_RATE_WIDTH 11 /* ADCLRC_RATE - [10:0] */ + +/* + * R10 (0x0A) - Audio Interface (4) + */ +#define WM8400_ALRCGPIO1 0x8000 /* ALRCGPIO1 */ +#define WM8400_ALRCGPIO1_MASK 0x8000 /* ALRCGPIO1 */ +#define WM8400_ALRCGPIO1_SHIFT 15 /* ALRCGPIO1 */ +#define WM8400_ALRCGPIO1_WIDTH 1 /* ALRCGPIO1 */ +#define WM8400_ALRCBGPIO6 0x4000 /* ALRCBGPIO6 */ +#define WM8400_ALRCBGPIO6_MASK 0x4000 /* ALRCBGPIO6 */ +#define WM8400_ALRCBGPIO6_SHIFT 14 /* ALRCBGPIO6 */ +#define WM8400_ALRCBGPIO6_WIDTH 1 /* ALRCBGPIO6 */ +#define WM8400_AIF_TRIS 0x2000 /* AIF_TRIS */ +#define WM8400_AIF_TRIS_MASK 0x2000 /* AIF_TRIS */ +#define WM8400_AIF_TRIS_SHIFT 13 /* AIF_TRIS */ +#define WM8400_AIF_TRIS_WIDTH 1 /* AIF_TRIS */ +#define WM8400_DACLRC_DIR 0x0800 /* DACLRC_DIR */ +#define WM8400_DACLRC_DIR_MASK 0x0800 /* DACLRC_DIR */ +#define WM8400_DACLRC_DIR_SHIFT 11 /* DACLRC_DIR */ +#define WM8400_DACLRC_DIR_WIDTH 1 /* DACLRC_DIR */ +#define WM8400_DACLRC_RATE_MASK 0x07FF /* DACLRC_RATE - [10:0] */ +#define WM8400_DACLRC_RATE_SHIFT 0 /* DACLRC_RATE - [10:0] */ +#define WM8400_DACLRC_RATE_WIDTH 11 /* DACLRC_RATE - [10:0] */ + +/* + * R11 (0x0B) - DAC CTRL + */ +#define WM8400_DAC_SDMCLK_RATE 0x2000 /* DAC_SDMCLK_RATE */ +#define WM8400_DAC_SDMCLK_RATE_MASK 0x2000 /* DAC_SDMCLK_RATE */ +#define WM8400_DAC_SDMCLK_RATE_SHIFT 13 /* DAC_SDMCLK_RATE */ +#define WM8400_DAC_SDMCLK_RATE_WIDTH 1 /* DAC_SDMCLK_RATE */ +#define WM8400_AIF_LRCLKRATE 0x0400 /* AIF_LRCLKRATE */ +#define WM8400_AIF_LRCLKRATE_MASK 0x0400 /* AIF_LRCLKRATE */ +#define WM8400_AIF_LRCLKRATE_SHIFT 10 /* AIF_LRCLKRATE */ +#define WM8400_AIF_LRCLKRATE_WIDTH 1 /* AIF_LRCLKRATE */ +#define WM8400_DAC_MONO 0x0200 /* DAC_MONO */ +#define WM8400_DAC_MONO_MASK 0x0200 /* DAC_MONO */ +#define WM8400_DAC_MONO_SHIFT 9 /* DAC_MONO */ +#define WM8400_DAC_MONO_WIDTH 1 /* DAC_MONO */ +#define WM8400_DAC_SB_FILT 0x0100 /* DAC_SB_FILT */ +#define WM8400_DAC_SB_FILT_MASK 0x0100 /* DAC_SB_FILT */ +#define WM8400_DAC_SB_FILT_SHIFT 8 /* DAC_SB_FILT */ +#define WM8400_DAC_SB_FILT_WIDTH 1 /* DAC_SB_FILT */ +#define WM8400_DAC_MUTERATE 0x0080 /* DAC_MUTERATE */ +#define WM8400_DAC_MUTERATE_MASK 0x0080 /* DAC_MUTERATE */ +#define WM8400_DAC_MUTERATE_SHIFT 7 /* DAC_MUTERATE */ +#define WM8400_DAC_MUTERATE_WIDTH 1 /* DAC_MUTERATE */ +#define WM8400_DAC_MUTEMODE 0x0040 /* DAC_MUTEMODE */ +#define WM8400_DAC_MUTEMODE_MASK 0x0040 /* DAC_MUTEMODE */ +#define WM8400_DAC_MUTEMODE_SHIFT 6 /* DAC_MUTEMODE */ +#define WM8400_DAC_MUTEMODE_WIDTH 1 /* DAC_MUTEMODE */ +#define WM8400_DEEMP_MASK 0x0030 /* DEEMP - [5:4] */ +#define WM8400_DEEMP_SHIFT 4 /* DEEMP - [5:4] */ +#define WM8400_DEEMP_WIDTH 2 /* DEEMP - [5:4] */ +#define WM8400_DAC_MUTE 0x0004 /* DAC_MUTE */ +#define WM8400_DAC_MUTE_MASK 0x0004 /* DAC_MUTE */ +#define WM8400_DAC_MUTE_SHIFT 2 /* DAC_MUTE */ +#define WM8400_DAC_MUTE_WIDTH 1 /* DAC_MUTE */ +#define WM8400_DACL_DATINV 0x0002 /* DACL_DATINV */ +#define WM8400_DACL_DATINV_MASK 0x0002 /* DACL_DATINV */ +#define WM8400_DACL_DATINV_SHIFT 1 /* DACL_DATINV */ +#define WM8400_DACL_DATINV_WIDTH 1 /* DACL_DATINV */ +#define WM8400_DACR_DATINV 0x0001 /* DACR_DATINV */ +#define WM8400_DACR_DATINV_MASK 0x0001 /* DACR_DATINV */ +#define WM8400_DACR_DATINV_SHIFT 0 /* DACR_DATINV */ +#define WM8400_DACR_DATINV_WIDTH 1 /* DACR_DATINV */ + +/* + * R12 (0x0C) - Left DAC Digital Volume + */ +#define WM8400_DAC_VU 0x0100 /* DAC_VU */ +#define WM8400_DAC_VU_MASK 0x0100 /* DAC_VU */ +#define WM8400_DAC_VU_SHIFT 8 /* DAC_VU */ +#define WM8400_DAC_VU_WIDTH 1 /* DAC_VU */ +#define WM8400_DACL_VOL_MASK 0x00FF /* DACL_VOL - [7:0] */ +#define WM8400_DACL_VOL_SHIFT 0 /* DACL_VOL - [7:0] */ +#define WM8400_DACL_VOL_WIDTH 8 /* DACL_VOL - [7:0] */ + +/* + * R13 (0x0D) - Right DAC Digital Volume + */ +#define WM8400_DAC_VU 0x0100 /* DAC_VU */ +#define WM8400_DAC_VU_MASK 0x0100 /* DAC_VU */ +#define WM8400_DAC_VU_SHIFT 8 /* DAC_VU */ +#define WM8400_DAC_VU_WIDTH 1 /* DAC_VU */ +#define WM8400_DACR_VOL_MASK 0x00FF /* DACR_VOL - [7:0] */ +#define WM8400_DACR_VOL_SHIFT 0 /* DACR_VOL - [7:0] */ +#define WM8400_DACR_VOL_WIDTH 8 /* DACR_VOL - [7:0] */ + +/* + * R14 (0x0E) - Digital Side Tone + */ +#define WM8400_ADCL_DAC_SVOL_MASK 0x1E00 /* ADCL_DAC_SVOL - [12:9] */ +#define WM8400_ADCL_DAC_SVOL_SHIFT 9 /* ADCL_DAC_SVOL - [12:9] */ +#define WM8400_ADCL_DAC_SVOL_WIDTH 4 /* ADCL_DAC_SVOL - [12:9] */ +#define WM8400_ADCR_DAC_SVOL_MASK 0x01E0 /* ADCR_DAC_SVOL - [8:5] */ +#define WM8400_ADCR_DAC_SVOL_SHIFT 5 /* ADCR_DAC_SVOL - [8:5] */ +#define WM8400_ADCR_DAC_SVOL_WIDTH 4 /* ADCR_DAC_SVOL - [8:5] */ +#define WM8400_ADC_TO_DACL_MASK 0x000C /* ADC_TO_DACL - [3:2] */ +#define WM8400_ADC_TO_DACL_SHIFT 2 /* ADC_TO_DACL - [3:2] */ +#define WM8400_ADC_TO_DACL_WIDTH 2 /* ADC_TO_DACL - [3:2] */ +#define WM8400_ADC_TO_DACR_MASK 0x0003 /* ADC_TO_DACR - [1:0] */ +#define WM8400_ADC_TO_DACR_SHIFT 0 /* ADC_TO_DACR - [1:0] */ +#define WM8400_ADC_TO_DACR_WIDTH 2 /* ADC_TO_DACR - [1:0] */ + +/* + * R15 (0x0F) - ADC CTRL + */ +#define WM8400_ADC_HPF_ENA 0x0100 /* ADC_HPF_ENA */ +#define WM8400_ADC_HPF_ENA_MASK 0x0100 /* ADC_HPF_ENA */ +#define WM8400_ADC_HPF_ENA_SHIFT 8 /* ADC_HPF_ENA */ +#define WM8400_ADC_HPF_ENA_WIDTH 1 /* ADC_HPF_ENA */ +#define WM8400_ADC_HPF_CUT_MASK 0x0060 /* ADC_HPF_CUT - [6:5] */ +#define WM8400_ADC_HPF_CUT_SHIFT 5 /* ADC_HPF_CUT - [6:5] */ +#define WM8400_ADC_HPF_CUT_WIDTH 2 /* ADC_HPF_CUT - [6:5] */ +#define WM8400_ADCL_DATINV 0x0002 /* ADCL_DATINV */ +#define WM8400_ADCL_DATINV_MASK 0x0002 /* ADCL_DATINV */ +#define WM8400_ADCL_DATINV_SHIFT 1 /* ADCL_DATINV */ +#define WM8400_ADCL_DATINV_WIDTH 1 /* ADCL_DATINV */ +#define WM8400_ADCR_DATINV 0x0001 /* ADCR_DATINV */ +#define WM8400_ADCR_DATINV_MASK 0x0001 /* ADCR_DATINV */ +#define WM8400_ADCR_DATINV_SHIFT 0 /* ADCR_DATINV */ +#define WM8400_ADCR_DATINV_WIDTH 1 /* ADCR_DATINV */ + +/* + * R16 (0x10) - Left ADC Digital Volume + */ +#define WM8400_ADC_VU 0x0100 /* ADC_VU */ +#define WM8400_ADC_VU_MASK 0x0100 /* ADC_VU */ +#define WM8400_ADC_VU_SHIFT 8 /* ADC_VU */ +#define WM8400_ADC_VU_WIDTH 1 /* ADC_VU */ +#define WM8400_ADCL_VOL_MASK 0x00FF /* ADCL_VOL - [7:0] */ +#define WM8400_ADCL_VOL_SHIFT 0 /* ADCL_VOL - [7:0] */ +#define WM8400_ADCL_VOL_WIDTH 8 /* ADCL_VOL - [7:0] */ + +/* + * R17 (0x11) - Right ADC Digital Volume + */ +#define WM8400_ADC_VU 0x0100 /* ADC_VU */ +#define WM8400_ADC_VU_MASK 0x0100 /* ADC_VU */ +#define WM8400_ADC_VU_SHIFT 8 /* ADC_VU */ +#define WM8400_ADC_VU_WIDTH 1 /* ADC_VU */ +#define WM8400_ADCR_VOL_MASK 0x00FF /* ADCR_VOL - [7:0] */ +#define WM8400_ADCR_VOL_SHIFT 0 /* ADCR_VOL - [7:0] */ +#define WM8400_ADCR_VOL_WIDTH 8 /* ADCR_VOL - [7:0] */ + +/* + * R24 (0x18) - Left Line Input 1&2 Volume + */ +#define WM8400_IPVU 0x0100 /* IPVU */ +#define WM8400_IPVU_MASK 0x0100 /* IPVU */ +#define WM8400_IPVU_SHIFT 8 /* IPVU */ +#define WM8400_IPVU_WIDTH 1 /* IPVU */ +#define WM8400_LI12MUTE 0x0080 /* LI12MUTE */ +#define WM8400_LI12MUTE_MASK 0x0080 /* LI12MUTE */ +#define WM8400_LI12MUTE_SHIFT 7 /* LI12MUTE */ +#define WM8400_LI12MUTE_WIDTH 1 /* LI12MUTE */ +#define WM8400_LI12ZC 0x0040 /* LI12ZC */ +#define WM8400_LI12ZC_MASK 0x0040 /* LI12ZC */ +#define WM8400_LI12ZC_SHIFT 6 /* LI12ZC */ +#define WM8400_LI12ZC_WIDTH 1 /* LI12ZC */ +#define WM8400_LIN12VOL_MASK 0x001F /* LIN12VOL - [4:0] */ +#define WM8400_LIN12VOL_SHIFT 0 /* LIN12VOL - [4:0] */ +#define WM8400_LIN12VOL_WIDTH 5 /* LIN12VOL - [4:0] */ + +/* + * R25 (0x19) - Left Line Input 3&4 Volume + */ +#define WM8400_IPVU 0x0100 /* IPVU */ +#define WM8400_IPVU_MASK 0x0100 /* IPVU */ +#define WM8400_IPVU_SHIFT 8 /* IPVU */ +#define WM8400_IPVU_WIDTH 1 /* IPVU */ +#define WM8400_LI34MUTE 0x0080 /* LI34MUTE */ +#define WM8400_LI34MUTE_MASK 0x0080 /* LI34MUTE */ +#define WM8400_LI34MUTE_SHIFT 7 /* LI34MUTE */ +#define WM8400_LI34MUTE_WIDTH 1 /* LI34MUTE */ +#define WM8400_LI34ZC 0x0040 /* LI34ZC */ +#define WM8400_LI34ZC_MASK 0x0040 /* LI34ZC */ +#define WM8400_LI34ZC_SHIFT 6 /* LI34ZC */ +#define WM8400_LI34ZC_WIDTH 1 /* LI34ZC */ +#define WM8400_LIN34VOL_MASK 0x001F /* LIN34VOL - [4:0] */ +#define WM8400_LIN34VOL_SHIFT 0 /* LIN34VOL - [4:0] */ +#define WM8400_LIN34VOL_WIDTH 5 /* LIN34VOL - [4:0] */ + +/* + * R26 (0x1A) - Right Line Input 1&2 Volume + */ +#define WM8400_IPVU 0x0100 /* IPVU */ +#define WM8400_IPVU_MASK 0x0100 /* IPVU */ +#define WM8400_IPVU_SHIFT 8 /* IPVU */ +#define WM8400_IPVU_WIDTH 1 /* IPVU */ +#define WM8400_RI12MUTE 0x0080 /* RI12MUTE */ +#define WM8400_RI12MUTE_MASK 0x0080 /* RI12MUTE */ +#define WM8400_RI12MUTE_SHIFT 7 /* RI12MUTE */ +#define WM8400_RI12MUTE_WIDTH 1 /* RI12MUTE */ +#define WM8400_RI12ZC 0x0040 /* RI12ZC */ +#define WM8400_RI12ZC_MASK 0x0040 /* RI12ZC */ +#define WM8400_RI12ZC_SHIFT 6 /* RI12ZC */ +#define WM8400_RI12ZC_WIDTH 1 /* RI12ZC */ +#define WM8400_RIN12VOL_MASK 0x001F /* RIN12VOL - [4:0] */ +#define WM8400_RIN12VOL_SHIFT 0 /* RIN12VOL - [4:0] */ +#define WM8400_RIN12VOL_WIDTH 5 /* RIN12VOL - [4:0] */ + +/* + * R27 (0x1B) - Right Line Input 3&4 Volume + */ +#define WM8400_IPVU 0x0100 /* IPVU */ +#define WM8400_IPVU_MASK 0x0100 /* IPVU */ +#define WM8400_IPVU_SHIFT 8 /* IPVU */ +#define WM8400_IPVU_WIDTH 1 /* IPVU */ +#define WM8400_RI34MUTE 0x0080 /* RI34MUTE */ +#define WM8400_RI34MUTE_MASK 0x0080 /* RI34MUTE */ +#define WM8400_RI34MUTE_SHIFT 7 /* RI34MUTE */ +#define WM8400_RI34MUTE_WIDTH 1 /* RI34MUTE */ +#define WM8400_RI34ZC 0x0040 /* RI34ZC */ +#define WM8400_RI34ZC_MASK 0x0040 /* RI34ZC */ +#define WM8400_RI34ZC_SHIFT 6 /* RI34ZC */ +#define WM8400_RI34ZC_WIDTH 1 /* RI34ZC */ +#define WM8400_RIN34VOL_MASK 0x001F /* RIN34VOL - [4:0] */ +#define WM8400_RIN34VOL_SHIFT 0 /* RIN34VOL - [4:0] */ +#define WM8400_RIN34VOL_WIDTH 5 /* RIN34VOL - [4:0] */ + +/* + * R28 (0x1C) - Left Output Volume + */ +#define WM8400_OPVU 0x0100 /* OPVU */ +#define WM8400_OPVU_MASK 0x0100 /* OPVU */ +#define WM8400_OPVU_SHIFT 8 /* OPVU */ +#define WM8400_OPVU_WIDTH 1 /* OPVU */ +#define WM8400_LOZC 0x0080 /* LOZC */ +#define WM8400_LOZC_MASK 0x0080 /* LOZC */ +#define WM8400_LOZC_SHIFT 7 /* LOZC */ +#define WM8400_LOZC_WIDTH 1 /* LOZC */ +#define WM8400_LOUTVOL_MASK 0x007F /* LOUTVOL - [6:0] */ +#define WM8400_LOUTVOL_SHIFT 0 /* LOUTVOL - [6:0] */ +#define WM8400_LOUTVOL_WIDTH 7 /* LOUTVOL - [6:0] */ + +/* + * R29 (0x1D) - Right Output Volume + */ +#define WM8400_OPVU 0x0100 /* OPVU */ +#define WM8400_OPVU_MASK 0x0100 /* OPVU */ +#define WM8400_OPVU_SHIFT 8 /* OPVU */ +#define WM8400_OPVU_WIDTH 1 /* OPVU */ +#define WM8400_ROZC 0x0080 /* ROZC */ +#define WM8400_ROZC_MASK 0x0080 /* ROZC */ +#define WM8400_ROZC_SHIFT 7 /* ROZC */ +#define WM8400_ROZC_WIDTH 1 /* ROZC */ +#define WM8400_ROUTVOL_MASK 0x007F /* ROUTVOL - [6:0] */ +#define WM8400_ROUTVOL_SHIFT 0 /* ROUTVOL - [6:0] */ +#define WM8400_ROUTVOL_WIDTH 7 /* ROUTVOL - [6:0] */ + +/* + * R30 (0x1E) - Line Outputs Volume + */ +#define WM8400_LONMUTE 0x0040 /* LONMUTE */ +#define WM8400_LONMUTE_MASK 0x0040 /* LONMUTE */ +#define WM8400_LONMUTE_SHIFT 6 /* LONMUTE */ +#define WM8400_LONMUTE_WIDTH 1 /* LONMUTE */ +#define WM8400_LOPMUTE 0x0020 /* LOPMUTE */ +#define WM8400_LOPMUTE_MASK 0x0020 /* LOPMUTE */ +#define WM8400_LOPMUTE_SHIFT 5 /* LOPMUTE */ +#define WM8400_LOPMUTE_WIDTH 1 /* LOPMUTE */ +#define WM8400_LOATTN 0x0010 /* LOATTN */ +#define WM8400_LOATTN_MASK 0x0010 /* LOATTN */ +#define WM8400_LOATTN_SHIFT 4 /* LOATTN */ +#define WM8400_LOATTN_WIDTH 1 /* LOATTN */ +#define WM8400_RONMUTE 0x0004 /* RONMUTE */ +#define WM8400_RONMUTE_MASK 0x0004 /* RONMUTE */ +#define WM8400_RONMUTE_SHIFT 2 /* RONMUTE */ +#define WM8400_RONMUTE_WIDTH 1 /* RONMUTE */ +#define WM8400_ROPMUTE 0x0002 /* ROPMUTE */ +#define WM8400_ROPMUTE_MASK 0x0002 /* ROPMUTE */ +#define WM8400_ROPMUTE_SHIFT 1 /* ROPMUTE */ +#define WM8400_ROPMUTE_WIDTH 1 /* ROPMUTE */ +#define WM8400_ROATTN 0x0001 /* ROATTN */ +#define WM8400_ROATTN_MASK 0x0001 /* ROATTN */ +#define WM8400_ROATTN_SHIFT 0 /* ROATTN */ +#define WM8400_ROATTN_WIDTH 1 /* ROATTN */ + +/* + * R31 (0x1F) - Out3/4 Volume + */ +#define WM8400_OUT3MUTE 0x0020 /* OUT3MUTE */ +#define WM8400_OUT3MUTE_MASK 0x0020 /* OUT3MUTE */ +#define WM8400_OUT3MUTE_SHIFT 5 /* OUT3MUTE */ +#define WM8400_OUT3MUTE_WIDTH 1 /* OUT3MUTE */ +#define WM8400_OUT3ATTN 0x0010 /* OUT3ATTN */ +#define WM8400_OUT3ATTN_MASK 0x0010 /* OUT3ATTN */ +#define WM8400_OUT3ATTN_SHIFT 4 /* OUT3ATTN */ +#define WM8400_OUT3ATTN_WIDTH 1 /* OUT3ATTN */ +#define WM8400_OUT4MUTE 0x0002 /* OUT4MUTE */ +#define WM8400_OUT4MUTE_MASK 0x0002 /* OUT4MUTE */ +#define WM8400_OUT4MUTE_SHIFT 1 /* OUT4MUTE */ +#define WM8400_OUT4MUTE_WIDTH 1 /* OUT4MUTE */ +#define WM8400_OUT4ATTN 0x0001 /* OUT4ATTN */ +#define WM8400_OUT4ATTN_MASK 0x0001 /* OUT4ATTN */ +#define WM8400_OUT4ATTN_SHIFT 0 /* OUT4ATTN */ +#define WM8400_OUT4ATTN_WIDTH 1 /* OUT4ATTN */ + +/* + * R32 (0x20) - Left OPGA Volume + */ +#define WM8400_OPVU 0x0100 /* OPVU */ +#define WM8400_OPVU_MASK 0x0100 /* OPVU */ +#define WM8400_OPVU_SHIFT 8 /* OPVU */ +#define WM8400_OPVU_WIDTH 1 /* OPVU */ +#define WM8400_LOPGAZC 0x0080 /* LOPGAZC */ +#define WM8400_LOPGAZC_MASK 0x0080 /* LOPGAZC */ +#define WM8400_LOPGAZC_SHIFT 7 /* LOPGAZC */ +#define WM8400_LOPGAZC_WIDTH 1 /* LOPGAZC */ +#define WM8400_LOPGAVOL_MASK 0x007F /* LOPGAVOL - [6:0] */ +#define WM8400_LOPGAVOL_SHIFT 0 /* LOPGAVOL - [6:0] */ +#define WM8400_LOPGAVOL_WIDTH 7 /* LOPGAVOL - [6:0] */ + +/* + * R33 (0x21) - Right OPGA Volume + */ +#define WM8400_OPVU 0x0100 /* OPVU */ +#define WM8400_OPVU_MASK 0x0100 /* OPVU */ +#define WM8400_OPVU_SHIFT 8 /* OPVU */ +#define WM8400_OPVU_WIDTH 1 /* OPVU */ +#define WM8400_ROPGAZC 0x0080 /* ROPGAZC */ +#define WM8400_ROPGAZC_MASK 0x0080 /* ROPGAZC */ +#define WM8400_ROPGAZC_SHIFT 7 /* ROPGAZC */ +#define WM8400_ROPGAZC_WIDTH 1 /* ROPGAZC */ +#define WM8400_ROPGAVOL_MASK 0x007F /* ROPGAVOL - [6:0] */ +#define WM8400_ROPGAVOL_SHIFT 0 /* ROPGAVOL - [6:0] */ +#define WM8400_ROPGAVOL_WIDTH 7 /* ROPGAVOL - [6:0] */ + +/* + * R34 (0x22) - Speaker Volume + */ +#define WM8400_SPKATTN_MASK 0x0003 /* SPKATTN - [1:0] */ +#define WM8400_SPKATTN_SHIFT 0 /* SPKATTN - [1:0] */ +#define WM8400_SPKATTN_WIDTH 2 /* SPKATTN - [1:0] */ + +/* + * R35 (0x23) - ClassD1 + */ +#define WM8400_CDMODE 0x0100 /* CDMODE */ +#define WM8400_CDMODE_MASK 0x0100 /* CDMODE */ +#define WM8400_CDMODE_SHIFT 8 /* CDMODE */ +#define WM8400_CDMODE_WIDTH 1 /* CDMODE */ +#define WM8400_CLASSD_CLK_SEL 0x0080 /* CLASSD_CLK_SEL */ +#define WM8400_CLASSD_CLK_SEL_MASK 0x0080 /* CLASSD_CLK_SEL */ +#define WM8400_CLASSD_CLK_SEL_SHIFT 7 /* CLASSD_CLK_SEL */ +#define WM8400_CLASSD_CLK_SEL_WIDTH 1 /* CLASSD_CLK_SEL */ +#define WM8400_CD_SRCTRL 0x0040 /* CD_SRCTRL */ +#define WM8400_CD_SRCTRL_MASK 0x0040 /* CD_SRCTRL */ +#define WM8400_CD_SRCTRL_SHIFT 6 /* CD_SRCTRL */ +#define WM8400_CD_SRCTRL_WIDTH 1 /* CD_SRCTRL */ +#define WM8400_SPKNOPOP 0x0020 /* SPKNOPOP */ +#define WM8400_SPKNOPOP_MASK 0x0020 /* SPKNOPOP */ +#define WM8400_SPKNOPOP_SHIFT 5 /* SPKNOPOP */ +#define WM8400_SPKNOPOP_WIDTH 1 /* SPKNOPOP */ +#define WM8400_DBLERATE 0x0010 /* DBLERATE */ +#define WM8400_DBLERATE_MASK 0x0010 /* DBLERATE */ +#define WM8400_DBLERATE_SHIFT 4 /* DBLERATE */ +#define WM8400_DBLERATE_WIDTH 1 /* DBLERATE */ +#define WM8400_LOOPTEST 0x0008 /* LOOPTEST */ +#define WM8400_LOOPTEST_MASK 0x0008 /* LOOPTEST */ +#define WM8400_LOOPTEST_SHIFT 3 /* LOOPTEST */ +#define WM8400_LOOPTEST_WIDTH 1 /* LOOPTEST */ +#define WM8400_HALFABBIAS 0x0004 /* HALFABBIAS */ +#define WM8400_HALFABBIAS_MASK 0x0004 /* HALFABBIAS */ +#define WM8400_HALFABBIAS_SHIFT 2 /* HALFABBIAS */ +#define WM8400_HALFABBIAS_WIDTH 1 /* HALFABBIAS */ +#define WM8400_TRIDEL_MASK 0x0003 /* TRIDEL - [1:0] */ +#define WM8400_TRIDEL_SHIFT 0 /* TRIDEL - [1:0] */ +#define WM8400_TRIDEL_WIDTH 2 /* TRIDEL - [1:0] */ + +/* + * R37 (0x25) - ClassD3 + */ +#define WM8400_DCGAIN_MASK 0x0038 /* DCGAIN - [5:3] */ +#define WM8400_DCGAIN_SHIFT 3 /* DCGAIN - [5:3] */ +#define WM8400_DCGAIN_WIDTH 3 /* DCGAIN - [5:3] */ +#define WM8400_ACGAIN_MASK 0x0007 /* ACGAIN - [2:0] */ +#define WM8400_ACGAIN_SHIFT 0 /* ACGAIN - [2:0] */ +#define WM8400_ACGAIN_WIDTH 3 /* ACGAIN - [2:0] */ + +/* + * R39 (0x27) - Input Mixer1 + */ +#define WM8400_AINLMODE_MASK 0x000C /* AINLMODE - [3:2] */ +#define WM8400_AINLMODE_SHIFT 2 /* AINLMODE - [3:2] */ +#define WM8400_AINLMODE_WIDTH 2 /* AINLMODE - [3:2] */ +#define WM8400_AINRMODE_MASK 0x0003 /* AINRMODE - [1:0] */ +#define WM8400_AINRMODE_SHIFT 0 /* AINRMODE - [1:0] */ +#define WM8400_AINRMODE_WIDTH 2 /* AINRMODE - [1:0] */ + +/* + * R40 (0x28) - Input Mixer2 + */ +#define WM8400_LMP4 0x0080 /* LMP4 */ +#define WM8400_LMP4_MASK 0x0080 /* LMP4 */ +#define WM8400_LMP4_SHIFT 7 /* LMP4 */ +#define WM8400_LMP4_WIDTH 1 /* LMP4 */ +#define WM8400_LMN3 0x0040 /* LMN3 */ +#define WM8400_LMN3_MASK 0x0040 /* LMN3 */ +#define WM8400_LMN3_SHIFT 6 /* LMN3 */ +#define WM8400_LMN3_WIDTH 1 /* LMN3 */ +#define WM8400_LMP2 0x0020 /* LMP2 */ +#define WM8400_LMP2_MASK 0x0020 /* LMP2 */ +#define WM8400_LMP2_SHIFT 5 /* LMP2 */ +#define WM8400_LMP2_WIDTH 1 /* LMP2 */ +#define WM8400_LMN1 0x0010 /* LMN1 */ +#define WM8400_LMN1_MASK 0x0010 /* LMN1 */ +#define WM8400_LMN1_SHIFT 4 /* LMN1 */ +#define WM8400_LMN1_WIDTH 1 /* LMN1 */ +#define WM8400_RMP4 0x0008 /* RMP4 */ +#define WM8400_RMP4_MASK 0x0008 /* RMP4 */ +#define WM8400_RMP4_SHIFT 3 /* RMP4 */ +#define WM8400_RMP4_WIDTH 1 /* RMP4 */ +#define WM8400_RMN3 0x0004 /* RMN3 */ +#define WM8400_RMN3_MASK 0x0004 /* RMN3 */ +#define WM8400_RMN3_SHIFT 2 /* RMN3 */ +#define WM8400_RMN3_WIDTH 1 /* RMN3 */ +#define WM8400_RMP2 0x0002 /* RMP2 */ +#define WM8400_RMP2_MASK 0x0002 /* RMP2 */ +#define WM8400_RMP2_SHIFT 1 /* RMP2 */ +#define WM8400_RMP2_WIDTH 1 /* RMP2 */ +#define WM8400_RMN1 0x0001 /* RMN1 */ +#define WM8400_RMN1_MASK 0x0001 /* RMN1 */ +#define WM8400_RMN1_SHIFT 0 /* RMN1 */ +#define WM8400_RMN1_WIDTH 1 /* RMN1 */ + +/* + * R41 (0x29) - Input Mixer3 + */ +#define WM8400_L34MNB 0x0100 /* L34MNB */ +#define WM8400_L34MNB_MASK 0x0100 /* L34MNB */ +#define WM8400_L34MNB_SHIFT 8 /* L34MNB */ +#define WM8400_L34MNB_WIDTH 1 /* L34MNB */ +#define WM8400_L34MNBST 0x0080 /* L34MNBST */ +#define WM8400_L34MNBST_MASK 0x0080 /* L34MNBST */ +#define WM8400_L34MNBST_SHIFT 7 /* L34MNBST */ +#define WM8400_L34MNBST_WIDTH 1 /* L34MNBST */ +#define WM8400_L12MNB 0x0020 /* L12MNB */ +#define WM8400_L12MNB_MASK 0x0020 /* L12MNB */ +#define WM8400_L12MNB_SHIFT 5 /* L12MNB */ +#define WM8400_L12MNB_WIDTH 1 /* L12MNB */ +#define WM8400_L12MNBST 0x0010 /* L12MNBST */ +#define WM8400_L12MNBST_MASK 0x0010 /* L12MNBST */ +#define WM8400_L12MNBST_SHIFT 4 /* L12MNBST */ +#define WM8400_L12MNBST_WIDTH 1 /* L12MNBST */ +#define WM8400_LDBVOL_MASK 0x0007 /* LDBVOL - [2:0] */ +#define WM8400_LDBVOL_SHIFT 0 /* LDBVOL - [2:0] */ +#define WM8400_LDBVOL_WIDTH 3 /* LDBVOL - [2:0] */ + +/* + * R42 (0x2A) - Input Mixer4 + */ +#define WM8400_R34MNB 0x0100 /* R34MNB */ +#define WM8400_R34MNB_MASK 0x0100 /* R34MNB */ +#define WM8400_R34MNB_SHIFT 8 /* R34MNB */ +#define WM8400_R34MNB_WIDTH 1 /* R34MNB */ +#define WM8400_R34MNBST 0x0080 /* R34MNBST */ +#define WM8400_R34MNBST_MASK 0x0080 /* R34MNBST */ +#define WM8400_R34MNBST_SHIFT 7 /* R34MNBST */ +#define WM8400_R34MNBST_WIDTH 1 /* R34MNBST */ +#define WM8400_R12MNB 0x0020 /* R12MNB */ +#define WM8400_R12MNB_MASK 0x0020 /* R12MNB */ +#define WM8400_R12MNB_SHIFT 5 /* R12MNB */ +#define WM8400_R12MNB_WIDTH 1 /* R12MNB */ +#define WM8400_R12MNBST 0x0010 /* R12MNBST */ +#define WM8400_R12MNBST_MASK 0x0010 /* R12MNBST */ +#define WM8400_R12MNBST_SHIFT 4 /* R12MNBST */ +#define WM8400_R12MNBST_WIDTH 1 /* R12MNBST */ +#define WM8400_RDBVOL_MASK 0x0007 /* RDBVOL - [2:0] */ +#define WM8400_RDBVOL_SHIFT 0 /* RDBVOL - [2:0] */ +#define WM8400_RDBVOL_WIDTH 3 /* RDBVOL - [2:0] */ + +/* + * R43 (0x2B) - Input Mixer5 + */ +#define WM8400_LI2BVOL_MASK 0x01C0 /* LI2BVOL - [8:6] */ +#define WM8400_LI2BVOL_SHIFT 6 /* LI2BVOL - [8:6] */ +#define WM8400_LI2BVOL_WIDTH 3 /* LI2BVOL - [8:6] */ +#define WM8400_LR4BVOL_MASK 0x0038 /* LR4BVOL - [5:3] */ +#define WM8400_LR4BVOL_SHIFT 3 /* LR4BVOL - [5:3] */ +#define WM8400_LR4BVOL_WIDTH 3 /* LR4BVOL - [5:3] */ +#define WM8400_LL4BVOL_MASK 0x0007 /* LL4BVOL - [2:0] */ +#define WM8400_LL4BVOL_SHIFT 0 /* LL4BVOL - [2:0] */ +#define WM8400_LL4BVOL_WIDTH 3 /* LL4BVOL - [2:0] */ + +/* + * R44 (0x2C) - Input Mixer6 + */ +#define WM8400_RI2BVOL_MASK 0x01C0 /* RI2BVOL - [8:6] */ +#define WM8400_RI2BVOL_SHIFT 6 /* RI2BVOL - [8:6] */ +#define WM8400_RI2BVOL_WIDTH 3 /* RI2BVOL - [8:6] */ +#define WM8400_RL4BVOL_MASK 0x0038 /* RL4BVOL - [5:3] */ +#define WM8400_RL4BVOL_SHIFT 3 /* RL4BVOL - [5:3] */ +#define WM8400_RL4BVOL_WIDTH 3 /* RL4BVOL - [5:3] */ +#define WM8400_RR4BVOL_MASK 0x0007 /* RR4BVOL - [2:0] */ +#define WM8400_RR4BVOL_SHIFT 0 /* RR4BVOL - [2:0] */ +#define WM8400_RR4BVOL_WIDTH 3 /* RR4BVOL - [2:0] */ + +/* + * R45 (0x2D) - Output Mixer1 + */ +#define WM8400_LRBLO 0x0080 /* LRBLO */ +#define WM8400_LRBLO_MASK 0x0080 /* LRBLO */ +#define WM8400_LRBLO_SHIFT 7 /* LRBLO */ +#define WM8400_LRBLO_WIDTH 1 /* LRBLO */ +#define WM8400_LLBLO 0x0040 /* LLBLO */ +#define WM8400_LLBLO_MASK 0x0040 /* LLBLO */ +#define WM8400_LLBLO_SHIFT 6 /* LLBLO */ +#define WM8400_LLBLO_WIDTH 1 /* LLBLO */ +#define WM8400_LRI3LO 0x0020 /* LRI3LO */ +#define WM8400_LRI3LO_MASK 0x0020 /* LRI3LO */ +#define WM8400_LRI3LO_SHIFT 5 /* LRI3LO */ +#define WM8400_LRI3LO_WIDTH 1 /* LRI3LO */ +#define WM8400_LLI3LO 0x0010 /* LLI3LO */ +#define WM8400_LLI3LO_MASK 0x0010 /* LLI3LO */ +#define WM8400_LLI3LO_SHIFT 4 /* LLI3LO */ +#define WM8400_LLI3LO_WIDTH 1 /* LLI3LO */ +#define WM8400_LR12LO 0x0008 /* LR12LO */ +#define WM8400_LR12LO_MASK 0x0008 /* LR12LO */ +#define WM8400_LR12LO_SHIFT 3 /* LR12LO */ +#define WM8400_LR12LO_WIDTH 1 /* LR12LO */ +#define WM8400_LL12LO 0x0004 /* LL12LO */ +#define WM8400_LL12LO_MASK 0x0004 /* LL12LO */ +#define WM8400_LL12LO_SHIFT 2 /* LL12LO */ +#define WM8400_LL12LO_WIDTH 1 /* LL12LO */ +#define WM8400_LDLO 0x0001 /* LDLO */ +#define WM8400_LDLO_MASK 0x0001 /* LDLO */ +#define WM8400_LDLO_SHIFT 0 /* LDLO */ +#define WM8400_LDLO_WIDTH 1 /* LDLO */ + +/* + * R46 (0x2E) - Output Mixer2 + */ +#define WM8400_RLBRO 0x0080 /* RLBRO */ +#define WM8400_RLBRO_MASK 0x0080 /* RLBRO */ +#define WM8400_RLBRO_SHIFT 7 /* RLBRO */ +#define WM8400_RLBRO_WIDTH 1 /* RLBRO */ +#define WM8400_RRBRO 0x0040 /* RRBRO */ +#define WM8400_RRBRO_MASK 0x0040 /* RRBRO */ +#define WM8400_RRBRO_SHIFT 6 /* RRBRO */ +#define WM8400_RRBRO_WIDTH 1 /* RRBRO */ +#define WM8400_RLI3RO 0x0020 /* RLI3RO */ +#define WM8400_RLI3RO_MASK 0x0020 /* RLI3RO */ +#define WM8400_RLI3RO_SHIFT 5 /* RLI3RO */ +#define WM8400_RLI3RO_WIDTH 1 /* RLI3RO */ +#define WM8400_RRI3RO 0x0010 /* RRI3RO */ +#define WM8400_RRI3RO_MASK 0x0010 /* RRI3RO */ +#define WM8400_RRI3RO_SHIFT 4 /* RRI3RO */ +#define WM8400_RRI3RO_WIDTH 1 /* RRI3RO */ +#define WM8400_RL12RO 0x0008 /* RL12RO */ +#define WM8400_RL12RO_MASK 0x0008 /* RL12RO */ +#define WM8400_RL12RO_SHIFT 3 /* RL12RO */ +#define WM8400_RL12RO_WIDTH 1 /* RL12RO */ +#define WM8400_RR12RO 0x0004 /* RR12RO */ +#define WM8400_RR12RO_MASK 0x0004 /* RR12RO */ +#define WM8400_RR12RO_SHIFT 2 /* RR12RO */ +#define WM8400_RR12RO_WIDTH 1 /* RR12RO */ +#define WM8400_RDRO 0x0001 /* RDRO */ +#define WM8400_RDRO_MASK 0x0001 /* RDRO */ +#define WM8400_RDRO_SHIFT 0 /* RDRO */ +#define WM8400_RDRO_WIDTH 1 /* RDRO */ + +/* + * R47 (0x2F) - Output Mixer3 + */ +#define WM8400_LLI3LOVOL_MASK 0x01C0 /* LLI3LOVOL - [8:6] */ +#define WM8400_LLI3LOVOL_SHIFT 6 /* LLI3LOVOL - [8:6] */ +#define WM8400_LLI3LOVOL_WIDTH 3 /* LLI3LOVOL - [8:6] */ +#define WM8400_LR12LOVOL_MASK 0x0038 /* LR12LOVOL - [5:3] */ +#define WM8400_LR12LOVOL_SHIFT 3 /* LR12LOVOL - [5:3] */ +#define WM8400_LR12LOVOL_WIDTH 3 /* LR12LOVOL - [5:3] */ +#define WM8400_LL12LOVOL_MASK 0x0007 /* LL12LOVOL - [2:0] */ +#define WM8400_LL12LOVOL_SHIFT 0 /* LL12LOVOL - [2:0] */ +#define WM8400_LL12LOVOL_WIDTH 3 /* LL12LOVOL - [2:0] */ + +/* + * R48 (0x30) - Output Mixer4 + */ +#define WM8400_RRI3ROVOL_MASK 0x01C0 /* RRI3ROVOL - [8:6] */ +#define WM8400_RRI3ROVOL_SHIFT 6 /* RRI3ROVOL - [8:6] */ +#define WM8400_RRI3ROVOL_WIDTH 3 /* RRI3ROVOL - [8:6] */ +#define WM8400_RL12ROVOL_MASK 0x0038 /* RL12ROVOL - [5:3] */ +#define WM8400_RL12ROVOL_SHIFT 3 /* RL12ROVOL - [5:3] */ +#define WM8400_RL12ROVOL_WIDTH 3 /* RL12ROVOL - [5:3] */ +#define WM8400_RR12ROVOL_MASK 0x0007 /* RR12ROVOL - [2:0] */ +#define WM8400_RR12ROVOL_SHIFT 0 /* RR12ROVOL - [2:0] */ +#define WM8400_RR12ROVOL_WIDTH 3 /* RR12ROVOL - [2:0] */ + +/* + * R49 (0x31) - Output Mixer5 + */ +#define WM8400_LRI3LOVOL_MASK 0x01C0 /* LRI3LOVOL - [8:6] */ +#define WM8400_LRI3LOVOL_SHIFT 6 /* LRI3LOVOL - [8:6] */ +#define WM8400_LRI3LOVOL_WIDTH 3 /* LRI3LOVOL - [8:6] */ +#define WM8400_LRBLOVOL_MASK 0x0038 /* LRBLOVOL - [5:3] */ +#define WM8400_LRBLOVOL_SHIFT 3 /* LRBLOVOL - [5:3] */ +#define WM8400_LRBLOVOL_WIDTH 3 /* LRBLOVOL - [5:3] */ +#define WM8400_LLBLOVOL_MASK 0x0007 /* LLBLOVOL - [2:0] */ +#define WM8400_LLBLOVOL_SHIFT 0 /* LLBLOVOL - [2:0] */ +#define WM8400_LLBLOVOL_WIDTH 3 /* LLBLOVOL - [2:0] */ + +/* + * R50 (0x32) - Output Mixer6 + */ +#define WM8400_RLI3ROVOL_MASK 0x01C0 /* RLI3ROVOL - [8:6] */ +#define WM8400_RLI3ROVOL_SHIFT 6 /* RLI3ROVOL - [8:6] */ +#define WM8400_RLI3ROVOL_WIDTH 3 /* RLI3ROVOL - [8:6] */ +#define WM8400_RLBROVOL_MASK 0x0038 /* RLBROVOL - [5:3] */ +#define WM8400_RLBROVOL_SHIFT 3 /* RLBROVOL - [5:3] */ +#define WM8400_RLBROVOL_WIDTH 3 /* RLBROVOL - [5:3] */ +#define WM8400_RRBROVOL_MASK 0x0007 /* RRBROVOL - [2:0] */ +#define WM8400_RRBROVOL_SHIFT 0 /* RRBROVOL - [2:0] */ +#define WM8400_RRBROVOL_WIDTH 3 /* RRBROVOL - [2:0] */ + +/* + * R51 (0x33) - Out3/4 Mixer + */ +#define WM8400_VSEL_MASK 0x0180 /* VSEL - [8:7] */ +#define WM8400_VSEL_SHIFT 7 /* VSEL - [8:7] */ +#define WM8400_VSEL_WIDTH 2 /* VSEL - [8:7] */ +#define WM8400_LI4O3 0x0020 /* LI4O3 */ +#define WM8400_LI4O3_MASK 0x0020 /* LI4O3 */ +#define WM8400_LI4O3_SHIFT 5 /* LI4O3 */ +#define WM8400_LI4O3_WIDTH 1 /* LI4O3 */ +#define WM8400_LPGAO3 0x0010 /* LPGAO3 */ +#define WM8400_LPGAO3_MASK 0x0010 /* LPGAO3 */ +#define WM8400_LPGAO3_SHIFT 4 /* LPGAO3 */ +#define WM8400_LPGAO3_WIDTH 1 /* LPGAO3 */ +#define WM8400_RI4O4 0x0002 /* RI4O4 */ +#define WM8400_RI4O4_MASK 0x0002 /* RI4O4 */ +#define WM8400_RI4O4_SHIFT 1 /* RI4O4 */ +#define WM8400_RI4O4_WIDTH 1 /* RI4O4 */ +#define WM8400_RPGAO4 0x0001 /* RPGAO4 */ +#define WM8400_RPGAO4_MASK 0x0001 /* RPGAO4 */ +#define WM8400_RPGAO4_SHIFT 0 /* RPGAO4 */ +#define WM8400_RPGAO4_WIDTH 1 /* RPGAO4 */ + +/* + * R52 (0x34) - Line Mixer1 + */ +#define WM8400_LLOPGALON 0x0040 /* LLOPGALON */ +#define WM8400_LLOPGALON_MASK 0x0040 /* LLOPGALON */ +#define WM8400_LLOPGALON_SHIFT 6 /* LLOPGALON */ +#define WM8400_LLOPGALON_WIDTH 1 /* LLOPGALON */ +#define WM8400_LROPGALON 0x0020 /* LROPGALON */ +#define WM8400_LROPGALON_MASK 0x0020 /* LROPGALON */ +#define WM8400_LROPGALON_SHIFT 5 /* LROPGALON */ +#define WM8400_LROPGALON_WIDTH 1 /* LROPGALON */ +#define WM8400_LOPLON 0x0010 /* LOPLON */ +#define WM8400_LOPLON_MASK 0x0010 /* LOPLON */ +#define WM8400_LOPLON_SHIFT 4 /* LOPLON */ +#define WM8400_LOPLON_WIDTH 1 /* LOPLON */ +#define WM8400_LR12LOP 0x0004 /* LR12LOP */ +#define WM8400_LR12LOP_MASK 0x0004 /* LR12LOP */ +#define WM8400_LR12LOP_SHIFT 2 /* LR12LOP */ +#define WM8400_LR12LOP_WIDTH 1 /* LR12LOP */ +#define WM8400_LL12LOP 0x0002 /* LL12LOP */ +#define WM8400_LL12LOP_MASK 0x0002 /* LL12LOP */ +#define WM8400_LL12LOP_SHIFT 1 /* LL12LOP */ +#define WM8400_LL12LOP_WIDTH 1 /* LL12LOP */ +#define WM8400_LLOPGALOP 0x0001 /* LLOPGALOP */ +#define WM8400_LLOPGALOP_MASK 0x0001 /* LLOPGALOP */ +#define WM8400_LLOPGALOP_SHIFT 0 /* LLOPGALOP */ +#define WM8400_LLOPGALOP_WIDTH 1 /* LLOPGALOP */ + +/* + * R53 (0x35) - Line Mixer2 + */ +#define WM8400_RROPGARON 0x0040 /* RROPGARON */ +#define WM8400_RROPGARON_MASK 0x0040 /* RROPGARON */ +#define WM8400_RROPGARON_SHIFT 6 /* RROPGARON */ +#define WM8400_RROPGARON_WIDTH 1 /* RROPGARON */ +#define WM8400_RLOPGARON 0x0020 /* RLOPGARON */ +#define WM8400_RLOPGARON_MASK 0x0020 /* RLOPGARON */ +#define WM8400_RLOPGARON_SHIFT 5 /* RLOPGARON */ +#define WM8400_RLOPGARON_WIDTH 1 /* RLOPGARON */ +#define WM8400_ROPRON 0x0010 /* ROPRON */ +#define WM8400_ROPRON_MASK 0x0010 /* ROPRON */ +#define WM8400_ROPRON_SHIFT 4 /* ROPRON */ +#define WM8400_ROPRON_WIDTH 1 /* ROPRON */ +#define WM8400_RL12ROP 0x0004 /* RL12ROP */ +#define WM8400_RL12ROP_MASK 0x0004 /* RL12ROP */ +#define WM8400_RL12ROP_SHIFT 2 /* RL12ROP */ +#define WM8400_RL12ROP_WIDTH 1 /* RL12ROP */ +#define WM8400_RR12ROP 0x0002 /* RR12ROP */ +#define WM8400_RR12ROP_MASK 0x0002 /* RR12ROP */ +#define WM8400_RR12ROP_SHIFT 1 /* RR12ROP */ +#define WM8400_RR12ROP_WIDTH 1 /* RR12ROP */ +#define WM8400_RROPGAROP 0x0001 /* RROPGAROP */ +#define WM8400_RROPGAROP_MASK 0x0001 /* RROPGAROP */ +#define WM8400_RROPGAROP_SHIFT 0 /* RROPGAROP */ +#define WM8400_RROPGAROP_WIDTH 1 /* RROPGAROP */ + +/* + * R54 (0x36) - Speaker Mixer + */ +#define WM8400_LB2SPK 0x0080 /* LB2SPK */ +#define WM8400_LB2SPK_MASK 0x0080 /* LB2SPK */ +#define WM8400_LB2SPK_SHIFT 7 /* LB2SPK */ +#define WM8400_LB2SPK_WIDTH 1 /* LB2SPK */ +#define WM8400_RB2SPK 0x0040 /* RB2SPK */ +#define WM8400_RB2SPK_MASK 0x0040 /* RB2SPK */ +#define WM8400_RB2SPK_SHIFT 6 /* RB2SPK */ +#define WM8400_RB2SPK_WIDTH 1 /* RB2SPK */ +#define WM8400_LI2SPK 0x0020 /* LI2SPK */ +#define WM8400_LI2SPK_MASK 0x0020 /* LI2SPK */ +#define WM8400_LI2SPK_SHIFT 5 /* LI2SPK */ +#define WM8400_LI2SPK_WIDTH 1 /* LI2SPK */ +#define WM8400_RI2SPK 0x0010 /* RI2SPK */ +#define WM8400_RI2SPK_MASK 0x0010 /* RI2SPK */ +#define WM8400_RI2SPK_SHIFT 4 /* RI2SPK */ +#define WM8400_RI2SPK_WIDTH 1 /* RI2SPK */ +#define WM8400_LOPGASPK 0x0008 /* LOPGASPK */ +#define WM8400_LOPGASPK_MASK 0x0008 /* LOPGASPK */ +#define WM8400_LOPGASPK_SHIFT 3 /* LOPGASPK */ +#define WM8400_LOPGASPK_WIDTH 1 /* LOPGASPK */ +#define WM8400_ROPGASPK 0x0004 /* ROPGASPK */ +#define WM8400_ROPGASPK_MASK 0x0004 /* ROPGASPK */ +#define WM8400_ROPGASPK_SHIFT 2 /* ROPGASPK */ +#define WM8400_ROPGASPK_WIDTH 1 /* ROPGASPK */ +#define WM8400_LDSPK 0x0002 /* LDSPK */ +#define WM8400_LDSPK_MASK 0x0002 /* LDSPK */ +#define WM8400_LDSPK_SHIFT 1 /* LDSPK */ +#define WM8400_LDSPK_WIDTH 1 /* LDSPK */ +#define WM8400_RDSPK 0x0001 /* RDSPK */ +#define WM8400_RDSPK_MASK 0x0001 /* RDSPK */ +#define WM8400_RDSPK_SHIFT 0 /* RDSPK */ +#define WM8400_RDSPK_WIDTH 1 /* RDSPK */ + +/* + * R55 (0x37) - Additional Control + */ +#define WM8400_VROI 0x0001 /* VROI */ +#define WM8400_VROI_MASK 0x0001 /* VROI */ +#define WM8400_VROI_SHIFT 0 /* VROI */ +#define WM8400_VROI_WIDTH 1 /* VROI */ + +/* + * R56 (0x38) - AntiPOP1 + */ +#define WM8400_DIS_LLINE 0x0020 /* DIS_LLINE */ +#define WM8400_DIS_LLINE_MASK 0x0020 /* DIS_LLINE */ +#define WM8400_DIS_LLINE_SHIFT 5 /* DIS_LLINE */ +#define WM8400_DIS_LLINE_WIDTH 1 /* DIS_LLINE */ +#define WM8400_DIS_RLINE 0x0010 /* DIS_RLINE */ +#define WM8400_DIS_RLINE_MASK 0x0010 /* DIS_RLINE */ +#define WM8400_DIS_RLINE_SHIFT 4 /* DIS_RLINE */ +#define WM8400_DIS_RLINE_WIDTH 1 /* DIS_RLINE */ +#define WM8400_DIS_OUT3 0x0008 /* DIS_OUT3 */ +#define WM8400_DIS_OUT3_MASK 0x0008 /* DIS_OUT3 */ +#define WM8400_DIS_OUT3_SHIFT 3 /* DIS_OUT3 */ +#define WM8400_DIS_OUT3_WIDTH 1 /* DIS_OUT3 */ +#define WM8400_DIS_OUT4 0x0004 /* DIS_OUT4 */ +#define WM8400_DIS_OUT4_MASK 0x0004 /* DIS_OUT4 */ +#define WM8400_DIS_OUT4_SHIFT 2 /* DIS_OUT4 */ +#define WM8400_DIS_OUT4_WIDTH 1 /* DIS_OUT4 */ +#define WM8400_DIS_LOUT 0x0002 /* DIS_LOUT */ +#define WM8400_DIS_LOUT_MASK 0x0002 /* DIS_LOUT */ +#define WM8400_DIS_LOUT_SHIFT 1 /* DIS_LOUT */ +#define WM8400_DIS_LOUT_WIDTH 1 /* DIS_LOUT */ +#define WM8400_DIS_ROUT 0x0001 /* DIS_ROUT */ +#define WM8400_DIS_ROUT_MASK 0x0001 /* DIS_ROUT */ +#define WM8400_DIS_ROUT_SHIFT 0 /* DIS_ROUT */ +#define WM8400_DIS_ROUT_WIDTH 1 /* DIS_ROUT */ + +/* + * R57 (0x39) - AntiPOP2 + */ +#define WM8400_SOFTST 0x0040 /* SOFTST */ +#define WM8400_SOFTST_MASK 0x0040 /* SOFTST */ +#define WM8400_SOFTST_SHIFT 6 /* SOFTST */ +#define WM8400_SOFTST_WIDTH 1 /* SOFTST */ +#define WM8400_BUFIOEN 0x0008 /* BUFIOEN */ +#define WM8400_BUFIOEN_MASK 0x0008 /* BUFIOEN */ +#define WM8400_BUFIOEN_SHIFT 3 /* BUFIOEN */ +#define WM8400_BUFIOEN_WIDTH 1 /* BUFIOEN */ +#define WM8400_BUFDCOPEN 0x0004 /* BUFDCOPEN */ +#define WM8400_BUFDCOPEN_MASK 0x0004 /* BUFDCOPEN */ +#define WM8400_BUFDCOPEN_SHIFT 2 /* BUFDCOPEN */ +#define WM8400_BUFDCOPEN_WIDTH 1 /* BUFDCOPEN */ +#define WM8400_POBCTRL 0x0002 /* POBCTRL */ +#define WM8400_POBCTRL_MASK 0x0002 /* POBCTRL */ +#define WM8400_POBCTRL_SHIFT 1 /* POBCTRL */ +#define WM8400_POBCTRL_WIDTH 1 /* POBCTRL */ +#define WM8400_VMIDTOG 0x0001 /* VMIDTOG */ +#define WM8400_VMIDTOG_MASK 0x0001 /* VMIDTOG */ +#define WM8400_VMIDTOG_SHIFT 0 /* VMIDTOG */ +#define WM8400_VMIDTOG_WIDTH 1 /* VMIDTOG */ + +/* + * R58 (0x3A) - MICBIAS + */ +#define WM8400_MCDSCTH_MASK 0x00C0 /* MCDSCTH - [7:6] */ +#define WM8400_MCDSCTH_SHIFT 6 /* MCDSCTH - [7:6] */ +#define WM8400_MCDSCTH_WIDTH 2 /* MCDSCTH - [7:6] */ +#define WM8400_MCDTHR_MASK 0x0038 /* MCDTHR - [5:3] */ +#define WM8400_MCDTHR_SHIFT 3 /* MCDTHR - [5:3] */ +#define WM8400_MCDTHR_WIDTH 3 /* MCDTHR - [5:3] */ +#define WM8400_MCD 0x0004 /* MCD */ +#define WM8400_MCD_MASK 0x0004 /* MCD */ +#define WM8400_MCD_SHIFT 2 /* MCD */ +#define WM8400_MCD_WIDTH 1 /* MCD */ +#define WM8400_MBSEL 0x0001 /* MBSEL */ +#define WM8400_MBSEL_MASK 0x0001 /* MBSEL */ +#define WM8400_MBSEL_SHIFT 0 /* MBSEL */ +#define WM8400_MBSEL_WIDTH 1 /* MBSEL */ + +/* + * R60 (0x3C) - FLL Control 1 + */ +#define WM8400_FLL_REF_FREQ 0x1000 /* FLL_REF_FREQ */ +#define WM8400_FLL_REF_FREQ_MASK 0x1000 /* FLL_REF_FREQ */ +#define WM8400_FLL_REF_FREQ_SHIFT 12 /* FLL_REF_FREQ */ +#define WM8400_FLL_REF_FREQ_WIDTH 1 /* FLL_REF_FREQ */ +#define WM8400_FLL_CLK_SRC_MASK 0x0C00 /* FLL_CLK_SRC - [11:10] */ +#define WM8400_FLL_CLK_SRC_SHIFT 10 /* FLL_CLK_SRC - [11:10] */ +#define WM8400_FLL_CLK_SRC_WIDTH 2 /* FLL_CLK_SRC - [11:10] */ +#define WM8400_FLL_FRAC 0x0200 /* FLL_FRAC */ +#define WM8400_FLL_FRAC_MASK 0x0200 /* FLL_FRAC */ +#define WM8400_FLL_FRAC_SHIFT 9 /* FLL_FRAC */ +#define WM8400_FLL_FRAC_WIDTH 1 /* FLL_FRAC */ +#define WM8400_FLL_OSC_ENA 0x0100 /* FLL_OSC_ENA */ +#define WM8400_FLL_OSC_ENA_MASK 0x0100 /* FLL_OSC_ENA */ +#define WM8400_FLL_OSC_ENA_SHIFT 8 /* FLL_OSC_ENA */ +#define WM8400_FLL_OSC_ENA_WIDTH 1 /* FLL_OSC_ENA */ +#define WM8400_FLL_CTRL_RATE_MASK 0x00E0 /* FLL_CTRL_RATE - [7:5] */ +#define WM8400_FLL_CTRL_RATE_SHIFT 5 /* FLL_CTRL_RATE - [7:5] */ +#define WM8400_FLL_CTRL_RATE_WIDTH 3 /* FLL_CTRL_RATE - [7:5] */ +#define WM8400_FLL_FRATIO_MASK 0x001F /* FLL_FRATIO - [4:0] */ +#define WM8400_FLL_FRATIO_SHIFT 0 /* FLL_FRATIO - [4:0] */ +#define WM8400_FLL_FRATIO_WIDTH 5 /* FLL_FRATIO - [4:0] */ + +/* + * R61 (0x3D) - FLL Control 2 + */ +#define WM8400_FLL_K_MASK 0xFFFF /* FLL_K - [15:0] */ +#define WM8400_FLL_K_SHIFT 0 /* FLL_K - [15:0] */ +#define WM8400_FLL_K_WIDTH 16 /* FLL_K - [15:0] */ + +/* + * R62 (0x3E) - FLL Control 3 + */ +#define WM8400_FLL_N_MASK 0x03FF /* FLL_N - [9:0] */ +#define WM8400_FLL_N_SHIFT 0 /* FLL_N - [9:0] */ +#define WM8400_FLL_N_WIDTH 10 /* FLL_N - [9:0] */ + +/* + * R63 (0x3F) - FLL Control 4 + */ +#define WM8400_FLL_TRK_GAIN_MASK 0x0078 /* FLL_TRK_GAIN - [6:3] */ +#define WM8400_FLL_TRK_GAIN_SHIFT 3 /* FLL_TRK_GAIN - [6:3] */ +#define WM8400_FLL_TRK_GAIN_WIDTH 4 /* FLL_TRK_GAIN - [6:3] */ +#define WM8400_FLL_OUTDIV_MASK 0x0007 /* FLL_OUTDIV - [2:0] */ +#define WM8400_FLL_OUTDIV_SHIFT 0 /* FLL_OUTDIV - [2:0] */ +#define WM8400_FLL_OUTDIV_WIDTH 3 /* FLL_OUTDIV - [2:0] */ + +void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400); + +#endif diff --git a/include/linux/mfd/wm8400-private.h b/include/linux/mfd/wm8400-private.h new file mode 100644 index 000000000000..49042e990f05 --- /dev/null +++ b/include/linux/mfd/wm8400-private.h @@ -0,0 +1,935 @@ +/* + * wm8400 private definitions. + * + * Copyright 2008 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_MFD_WM8400_PRIV_H +#define __LINUX_MFD_WM8400_PRIV_H + +#include +#include + +#define WM8400_REGISTER_COUNT 0x55 + +struct wm8400 { + struct device *dev; + + int (*read_dev)(void *data, char reg, int count, u16 *dst); + int (*write_dev)(void *data, char reg, int count, const u16 *src); + + struct mutex io_lock; + void *io_data; + + u16 reg_cache[WM8400_REGISTER_COUNT]; + + struct platform_device regulators[6]; +}; + +/* + * Register values. + */ +#define WM8400_RESET_ID 0x00 +#define WM8400_ID 0x01 +#define WM8400_POWER_MANAGEMENT_1 0x02 +#define WM8400_POWER_MANAGEMENT_2 0x03 +#define WM8400_POWER_MANAGEMENT_3 0x04 +#define WM8400_AUDIO_INTERFACE_1 0x05 +#define WM8400_AUDIO_INTERFACE_2 0x06 +#define WM8400_CLOCKING_1 0x07 +#define WM8400_CLOCKING_2 0x08 +#define WM8400_AUDIO_INTERFACE_3 0x09 +#define WM8400_AUDIO_INTERFACE_4 0x0A +#define WM8400_DAC_CTRL 0x0B +#define WM8400_LEFT_DAC_DIGITAL_VOLUME 0x0C +#define WM8400_RIGHT_DAC_DIGITAL_VOLUME 0x0D +#define WM8400_DIGITAL_SIDE_TONE 0x0E +#define WM8400_ADC_CTRL 0x0F +#define WM8400_LEFT_ADC_DIGITAL_VOLUME 0x10 +#define WM8400_RIGHT_ADC_DIGITAL_VOLUME 0x11 +#define WM8400_GPIO_CTRL_1 0x12 +#define WM8400_GPIO1_GPIO2 0x13 +#define WM8400_GPIO3_GPIO4 0x14 +#define WM8400_GPIO5_GPIO6 0x15 +#define WM8400_GPIOCTRL_2 0x16 +#define WM8400_GPIO_POL 0x17 +#define WM8400_LEFT_LINE_INPUT_1_2_VOLUME 0x18 +#define WM8400_LEFT_LINE_INPUT_3_4_VOLUME 0x19 +#define WM8400_RIGHT_LINE_INPUT_1_2_VOLUME 0x1A +#define WM8400_RIGHT_LINE_INPUT_3_4_VOLUME 0x1B +#define WM8400_LEFT_OUTPUT_VOLUME 0x1C +#define WM8400_RIGHT_OUTPUT_VOLUME 0x1D +#define WM8400_LINE_OUTPUTS_VOLUME 0x1E +#define WM8400_OUT3_4_VOLUME 0x1F +#define WM8400_LEFT_OPGA_VOLUME 0x20 +#define WM8400_RIGHT_OPGA_VOLUME 0x21 +#define WM8400_SPEAKER_VOLUME 0x22 +#define WM8400_CLASSD1 0x23 +#define WM8400_CLASSD3 0x25 +#define WM8400_INPUT_MIXER1 0x27 +#define WM8400_INPUT_MIXER2 0x28 +#define WM8400_INPUT_MIXER3 0x29 +#define WM8400_INPUT_MIXER4 0x2A +#define WM8400_INPUT_MIXER5 0x2B +#define WM8400_INPUT_MIXER6 0x2C +#define WM8400_OUTPUT_MIXER1 0x2D +#define WM8400_OUTPUT_MIXER2 0x2E +#define WM8400_OUTPUT_MIXER3 0x2F +#define WM8400_OUTPUT_MIXER4 0x30 +#define WM8400_OUTPUT_MIXER5 0x31 +#define WM8400_OUTPUT_MIXER6 0x32 +#define WM8400_OUT3_4_MIXER 0x33 +#define WM8400_LINE_MIXER1 0x34 +#define WM8400_LINE_MIXER2 0x35 +#define WM8400_SPEAKER_MIXER 0x36 +#define WM8400_ADDITIONAL_CONTROL 0x37 +#define WM8400_ANTIPOP1 0x38 +#define WM8400_ANTIPOP2 0x39 +#define WM8400_MICBIAS 0x3A +#define WM8400_FLL_CONTROL_1 0x3C +#define WM8400_FLL_CONTROL_2 0x3D +#define WM8400_FLL_CONTROL_3 0x3E +#define WM8400_FLL_CONTROL_4 0x3F +#define WM8400_LDO1_CONTROL 0x41 +#define WM8400_LDO2_CONTROL 0x42 +#define WM8400_LDO3_CONTROL 0x43 +#define WM8400_LDO4_CONTROL 0x44 +#define WM8400_DCDC1_CONTROL_1 0x46 +#define WM8400_DCDC1_CONTROL_2 0x47 +#define WM8400_DCDC2_CONTROL_1 0x48 +#define WM8400_DCDC2_CONTROL_2 0x49 +#define WM8400_INTERFACE 0x4B +#define WM8400_PM_GENERAL 0x4C +#define WM8400_PM_SHUTDOWN_CONTROL 0x4E +#define WM8400_INTERRUPT_STATUS_1 0x4F +#define WM8400_INTERRUPT_STATUS_1_MASK 0x50 +#define WM8400_INTERRUPT_LEVELS 0x51 +#define WM8400_SHUTDOWN_REASON 0x52 +#define WM8400_LINE_CIRCUITS 0x54 + +/* + * Field Definitions. + */ + +/* + * R0 (0x00) - Reset/ID + */ +#define WM8400_SW_RESET_CHIP_ID_MASK 0xFFFF /* SW_RESET/CHIP_ID - [15:0] */ +#define WM8400_SW_RESET_CHIP_ID_SHIFT 0 /* SW_RESET/CHIP_ID - [15:0] */ +#define WM8400_SW_RESET_CHIP_ID_WIDTH 16 /* SW_RESET/CHIP_ID - [15:0] */ + +/* + * R1 (0x01) - ID + */ +#define WM8400_CHIP_REV_MASK 0x7000 /* CHIP_REV - [14:12] */ +#define WM8400_CHIP_REV_SHIFT 12 /* CHIP_REV - [14:12] */ +#define WM8400_CHIP_REV_WIDTH 3 /* CHIP_REV - [14:12] */ + +/* + * R18 (0x12) - GPIO CTRL 1 + */ +#define WM8400_IRQ 0x1000 /* IRQ */ +#define WM8400_IRQ_MASK 0x1000 /* IRQ */ +#define WM8400_IRQ_SHIFT 12 /* IRQ */ +#define WM8400_IRQ_WIDTH 1 /* IRQ */ +#define WM8400_TEMPOK 0x0800 /* TEMPOK */ +#define WM8400_TEMPOK_MASK 0x0800 /* TEMPOK */ +#define WM8400_TEMPOK_SHIFT 11 /* TEMPOK */ +#define WM8400_TEMPOK_WIDTH 1 /* TEMPOK */ +#define WM8400_MIC1SHRT 0x0400 /* MIC1SHRT */ +#define WM8400_MIC1SHRT_MASK 0x0400 /* MIC1SHRT */ +#define WM8400_MIC1SHRT_SHIFT 10 /* MIC1SHRT */ +#define WM8400_MIC1SHRT_WIDTH 1 /* MIC1SHRT */ +#define WM8400_MIC1DET 0x0200 /* MIC1DET */ +#define WM8400_MIC1DET_MASK 0x0200 /* MIC1DET */ +#define WM8400_MIC1DET_SHIFT 9 /* MIC1DET */ +#define WM8400_MIC1DET_WIDTH 1 /* MIC1DET */ +#define WM8400_FLL_LCK 0x0100 /* FLL_LCK */ +#define WM8400_FLL_LCK_MASK 0x0100 /* FLL_LCK */ +#define WM8400_FLL_LCK_SHIFT 8 /* FLL_LCK */ +#define WM8400_FLL_LCK_WIDTH 1 /* FLL_LCK */ +#define WM8400_GPIO_STATUS_MASK 0x00FF /* GPIO_STATUS - [7:0] */ +#define WM8400_GPIO_STATUS_SHIFT 0 /* GPIO_STATUS - [7:0] */ +#define WM8400_GPIO_STATUS_WIDTH 8 /* GPIO_STATUS - [7:0] */ + +/* + * R19 (0x13) - GPIO1 & GPIO2 + */ +#define WM8400_GPIO2_DEB_ENA 0x8000 /* GPIO2_DEB_ENA */ +#define WM8400_GPIO2_DEB_ENA_MASK 0x8000 /* GPIO2_DEB_ENA */ +#define WM8400_GPIO2_DEB_ENA_SHIFT 15 /* GPIO2_DEB_ENA */ +#define WM8400_GPIO2_DEB_ENA_WIDTH 1 /* GPIO2_DEB_ENA */ +#define WM8400_GPIO2_IRQ_ENA 0x4000 /* GPIO2_IRQ_ENA */ +#define WM8400_GPIO2_IRQ_ENA_MASK 0x4000 /* GPIO2_IRQ_ENA */ +#define WM8400_GPIO2_IRQ_ENA_SHIFT 14 /* GPIO2_IRQ_ENA */ +#define WM8400_GPIO2_IRQ_ENA_WIDTH 1 /* GPIO2_IRQ_ENA */ +#define WM8400_GPIO2_PU 0x2000 /* GPIO2_PU */ +#define WM8400_GPIO2_PU_MASK 0x2000 /* GPIO2_PU */ +#define WM8400_GPIO2_PU_SHIFT 13 /* GPIO2_PU */ +#define WM8400_GPIO2_PU_WIDTH 1 /* GPIO2_PU */ +#define WM8400_GPIO2_PD 0x1000 /* GPIO2_PD */ +#define WM8400_GPIO2_PD_MASK 0x1000 /* GPIO2_PD */ +#define WM8400_GPIO2_PD_SHIFT 12 /* GPIO2_PD */ +#define WM8400_GPIO2_PD_WIDTH 1 /* GPIO2_PD */ +#define WM8400_GPIO2_SEL_MASK 0x0F00 /* GPIO2_SEL - [11:8] */ +#define WM8400_GPIO2_SEL_SHIFT 8 /* GPIO2_SEL - [11:8] */ +#define WM8400_GPIO2_SEL_WIDTH 4 /* GPIO2_SEL - [11:8] */ +#define WM8400_GPIO1_DEB_ENA 0x0080 /* GPIO1_DEB_ENA */ +#define WM8400_GPIO1_DEB_ENA_MASK 0x0080 /* GPIO1_DEB_ENA */ +#define WM8400_GPIO1_DEB_ENA_SHIFT 7 /* GPIO1_DEB_ENA */ +#define WM8400_GPIO1_DEB_ENA_WIDTH 1 /* GPIO1_DEB_ENA */ +#define WM8400_GPIO1_IRQ_ENA 0x0040 /* GPIO1_IRQ_ENA */ +#define WM8400_GPIO1_IRQ_ENA_MASK 0x0040 /* GPIO1_IRQ_ENA */ +#define WM8400_GPIO1_IRQ_ENA_SHIFT 6 /* GPIO1_IRQ_ENA */ +#define WM8400_GPIO1_IRQ_ENA_WIDTH 1 /* GPIO1_IRQ_ENA */ +#define WM8400_GPIO1_PU 0x0020 /* GPIO1_PU */ +#define WM8400_GPIO1_PU_MASK 0x0020 /* GPIO1_PU */ +#define WM8400_GPIO1_PU_SHIFT 5 /* GPIO1_PU */ +#define WM8400_GPIO1_PU_WIDTH 1 /* GPIO1_PU */ +#define WM8400_GPIO1_PD 0x0010 /* GPIO1_PD */ +#define WM8400_GPIO1_PD_MASK 0x0010 /* GPIO1_PD */ +#define WM8400_GPIO1_PD_SHIFT 4 /* GPIO1_PD */ +#define WM8400_GPIO1_PD_WIDTH 1 /* GPIO1_PD */ +#define WM8400_GPIO1_SEL_MASK 0x000F /* GPIO1_SEL - [3:0] */ +#define WM8400_GPIO1_SEL_SHIFT 0 /* GPIO1_SEL - [3:0] */ +#define WM8400_GPIO1_SEL_WIDTH 4 /* GPIO1_SEL - [3:0] */ + +/* + * R20 (0x14) - GPIO3 & GPIO4 + */ +#define WM8400_GPIO4_DEB_ENA 0x8000 /* GPIO4_DEB_ENA */ +#define WM8400_GPIO4_DEB_ENA_MASK 0x8000 /* GPIO4_DEB_ENA */ +#define WM8400_GPIO4_DEB_ENA_SHIFT 15 /* GPIO4_DEB_ENA */ +#define WM8400_GPIO4_DEB_ENA_WIDTH 1 /* GPIO4_DEB_ENA */ +#define WM8400_GPIO4_IRQ_ENA 0x4000 /* GPIO4_IRQ_ENA */ +#define WM8400_GPIO4_IRQ_ENA_MASK 0x4000 /* GPIO4_IRQ_ENA */ +#define WM8400_GPIO4_IRQ_ENA_SHIFT 14 /* GPIO4_IRQ_ENA */ +#define WM8400_GPIO4_IRQ_ENA_WIDTH 1 /* GPIO4_IRQ_ENA */ +#define WM8400_GPIO4_PU 0x2000 /* GPIO4_PU */ +#define WM8400_GPIO4_PU_MASK 0x2000 /* GPIO4_PU */ +#define WM8400_GPIO4_PU_SHIFT 13 /* GPIO4_PU */ +#define WM8400_GPIO4_PU_WIDTH 1 /* GPIO4_PU */ +#define WM8400_GPIO4_PD 0x1000 /* GPIO4_PD */ +#define WM8400_GPIO4_PD_MASK 0x1000 /* GPIO4_PD */ +#define WM8400_GPIO4_PD_SHIFT 12 /* GPIO4_PD */ +#define WM8400_GPIO4_PD_WIDTH 1 /* GPIO4_PD */ +#define WM8400_GPIO4_SEL_MASK 0x0F00 /* GPIO4_SEL - [11:8] */ +#define WM8400_GPIO4_SEL_SHIFT 8 /* GPIO4_SEL - [11:8] */ +#define WM8400_GPIO4_SEL_WIDTH 4 /* GPIO4_SEL - [11:8] */ +#define WM8400_GPIO3_DEB_ENA 0x0080 /* GPIO3_DEB_ENA */ +#define WM8400_GPIO3_DEB_ENA_MASK 0x0080 /* GPIO3_DEB_ENA */ +#define WM8400_GPIO3_DEB_ENA_SHIFT 7 /* GPIO3_DEB_ENA */ +#define WM8400_GPIO3_DEB_ENA_WIDTH 1 /* GPIO3_DEB_ENA */ +#define WM8400_GPIO3_IRQ_ENA 0x0040 /* GPIO3_IRQ_ENA */ +#define WM8400_GPIO3_IRQ_ENA_MASK 0x0040 /* GPIO3_IRQ_ENA */ +#define WM8400_GPIO3_IRQ_ENA_SHIFT 6 /* GPIO3_IRQ_ENA */ +#define WM8400_GPIO3_IRQ_ENA_WIDTH 1 /* GPIO3_IRQ_ENA */ +#define WM8400_GPIO3_PU 0x0020 /* GPIO3_PU */ +#define WM8400_GPIO3_PU_MASK 0x0020 /* GPIO3_PU */ +#define WM8400_GPIO3_PU_SHIFT 5 /* GPIO3_PU */ +#define WM8400_GPIO3_PU_WIDTH 1 /* GPIO3_PU */ +#define WM8400_GPIO3_PD 0x0010 /* GPIO3_PD */ +#define WM8400_GPIO3_PD_MASK 0x0010 /* GPIO3_PD */ +#define WM8400_GPIO3_PD_SHIFT 4 /* GPIO3_PD */ +#define WM8400_GPIO3_PD_WIDTH 1 /* GPIO3_PD */ +#define WM8400_GPIO3_SEL_MASK 0x000F /* GPIO3_SEL - [3:0] */ +#define WM8400_GPIO3_SEL_SHIFT 0 /* GPIO3_SEL - [3:0] */ +#define WM8400_GPIO3_SEL_WIDTH 4 /* GPIO3_SEL - [3:0] */ + +/* + * R21 (0x15) - GPIO5 & GPIO6 + */ +#define WM8400_GPIO6_DEB_ENA 0x8000 /* GPIO6_DEB_ENA */ +#define WM8400_GPIO6_DEB_ENA_MASK 0x8000 /* GPIO6_DEB_ENA */ +#define WM8400_GPIO6_DEB_ENA_SHIFT 15 /* GPIO6_DEB_ENA */ +#define WM8400_GPIO6_DEB_ENA_WIDTH 1 /* GPIO6_DEB_ENA */ +#define WM8400_GPIO6_IRQ_ENA 0x4000 /* GPIO6_IRQ_ENA */ +#define WM8400_GPIO6_IRQ_ENA_MASK 0x4000 /* GPIO6_IRQ_ENA */ +#define WM8400_GPIO6_IRQ_ENA_SHIFT 14 /* GPIO6_IRQ_ENA */ +#define WM8400_GPIO6_IRQ_ENA_WIDTH 1 /* GPIO6_IRQ_ENA */ +#define WM8400_GPIO6_PU 0x2000 /* GPIO6_PU */ +#define WM8400_GPIO6_PU_MASK 0x2000 /* GPIO6_PU */ +#define WM8400_GPIO6_PU_SHIFT 13 /* GPIO6_PU */ +#define WM8400_GPIO6_PU_WIDTH 1 /* GPIO6_PU */ +#define WM8400_GPIO6_PD 0x1000 /* GPIO6_PD */ +#define WM8400_GPIO6_PD_MASK 0x1000 /* GPIO6_PD */ +#define WM8400_GPIO6_PD_SHIFT 12 /* GPIO6_PD */ +#define WM8400_GPIO6_PD_WIDTH 1 /* GPIO6_PD */ +#define WM8400_GPIO6_SEL_MASK 0x0F00 /* GPIO6_SEL - [11:8] */ +#define WM8400_GPIO6_SEL_SHIFT 8 /* GPIO6_SEL - [11:8] */ +#define WM8400_GPIO6_SEL_WIDTH 4 /* GPIO6_SEL - [11:8] */ +#define WM8400_GPIO5_DEB_ENA 0x0080 /* GPIO5_DEB_ENA */ +#define WM8400_GPIO5_DEB_ENA_MASK 0x0080 /* GPIO5_DEB_ENA */ +#define WM8400_GPIO5_DEB_ENA_SHIFT 7 /* GPIO5_DEB_ENA */ +#define WM8400_GPIO5_DEB_ENA_WIDTH 1 /* GPIO5_DEB_ENA */ +#define WM8400_GPIO5_IRQ_ENA 0x0040 /* GPIO5_IRQ_ENA */ +#define WM8400_GPIO5_IRQ_ENA_MASK 0x0040 /* GPIO5_IRQ_ENA */ +#define WM8400_GPIO5_IRQ_ENA_SHIFT 6 /* GPIO5_IRQ_ENA */ +#define WM8400_GPIO5_IRQ_ENA_WIDTH 1 /* GPIO5_IRQ_ENA */ +#define WM8400_GPIO5_PU 0x0020 /* GPIO5_PU */ +#define WM8400_GPIO5_PU_MASK 0x0020 /* GPIO5_PU */ +#define WM8400_GPIO5_PU_SHIFT 5 /* GPIO5_PU */ +#define WM8400_GPIO5_PU_WIDTH 1 /* GPIO5_PU */ +#define WM8400_GPIO5_PD 0x0010 /* GPIO5_PD */ +#define WM8400_GPIO5_PD_MASK 0x0010 /* GPIO5_PD */ +#define WM8400_GPIO5_PD_SHIFT 4 /* GPIO5_PD */ +#define WM8400_GPIO5_PD_WIDTH 1 /* GPIO5_PD */ +#define WM8400_GPIO5_SEL_MASK 0x000F /* GPIO5_SEL - [3:0] */ +#define WM8400_GPIO5_SEL_SHIFT 0 /* GPIO5_SEL - [3:0] */ +#define WM8400_GPIO5_SEL_WIDTH 4 /* GPIO5_SEL - [3:0] */ + +/* + * R22 (0x16) - GPIOCTRL 2 + */ +#define WM8400_TEMPOK_IRQ_ENA 0x0800 /* TEMPOK_IRQ_ENA */ +#define WM8400_TEMPOK_IRQ_ENA_MASK 0x0800 /* TEMPOK_IRQ_ENA */ +#define WM8400_TEMPOK_IRQ_ENA_SHIFT 11 /* TEMPOK_IRQ_ENA */ +#define WM8400_TEMPOK_IRQ_ENA_WIDTH 1 /* TEMPOK_IRQ_ENA */ +#define WM8400_MIC1SHRT_IRQ_ENA 0x0400 /* MIC1SHRT_IRQ_ENA */ +#define WM8400_MIC1SHRT_IRQ_ENA_MASK 0x0400 /* MIC1SHRT_IRQ_ENA */ +#define WM8400_MIC1SHRT_IRQ_ENA_SHIFT 10 /* MIC1SHRT_IRQ_ENA */ +#define WM8400_MIC1SHRT_IRQ_ENA_WIDTH 1 /* MIC1SHRT_IRQ_ENA */ +#define WM8400_MIC1DET_IRQ_ENA 0x0200 /* MIC1DET_IRQ_ENA */ +#define WM8400_MIC1DET_IRQ_ENA_MASK 0x0200 /* MIC1DET_IRQ_ENA */ +#define WM8400_MIC1DET_IRQ_ENA_SHIFT 9 /* MIC1DET_IRQ_ENA */ +#define WM8400_MIC1DET_IRQ_ENA_WIDTH 1 /* MIC1DET_IRQ_ENA */ +#define WM8400_FLL_LCK_IRQ_ENA 0x0100 /* FLL_LCK_IRQ_ENA */ +#define WM8400_FLL_LCK_IRQ_ENA_MASK 0x0100 /* FLL_LCK_IRQ_ENA */ +#define WM8400_FLL_LCK_IRQ_ENA_SHIFT 8 /* FLL_LCK_IRQ_ENA */ +#define WM8400_FLL_LCK_IRQ_ENA_WIDTH 1 /* FLL_LCK_IRQ_ENA */ +#define WM8400_GPI8_DEB_ENA 0x0080 /* GPI8_DEB_ENA */ +#define WM8400_GPI8_DEB_ENA_MASK 0x0080 /* GPI8_DEB_ENA */ +#define WM8400_GPI8_DEB_ENA_SHIFT 7 /* GPI8_DEB_ENA */ +#define WM8400_GPI8_DEB_ENA_WIDTH 1 /* GPI8_DEB_ENA */ +#define WM8400_GPI8_IRQ_ENA 0x0040 /* GPI8_IRQ_ENA */ +#define WM8400_GPI8_IRQ_ENA_MASK 0x0040 /* GPI8_IRQ_ENA */ +#define WM8400_GPI8_IRQ_ENA_SHIFT 6 /* GPI8_IRQ_ENA */ +#define WM8400_GPI8_IRQ_ENA_WIDTH 1 /* GPI8_IRQ_ENA */ +#define WM8400_GPI8_ENA 0x0010 /* GPI8_ENA */ +#define WM8400_GPI8_ENA_MASK 0x0010 /* GPI8_ENA */ +#define WM8400_GPI8_ENA_SHIFT 4 /* GPI8_ENA */ +#define WM8400_GPI8_ENA_WIDTH 1 /* GPI8_ENA */ +#define WM8400_GPI7_DEB_ENA 0x0008 /* GPI7_DEB_ENA */ +#define WM8400_GPI7_DEB_ENA_MASK 0x0008 /* GPI7_DEB_ENA */ +#define WM8400_GPI7_DEB_ENA_SHIFT 3 /* GPI7_DEB_ENA */ +#define WM8400_GPI7_DEB_ENA_WIDTH 1 /* GPI7_DEB_ENA */ +#define WM8400_GPI7_IRQ_ENA 0x0004 /* GPI7_IRQ_ENA */ +#define WM8400_GPI7_IRQ_ENA_MASK 0x0004 /* GPI7_IRQ_ENA */ +#define WM8400_GPI7_IRQ_ENA_SHIFT 2 /* GPI7_IRQ_ENA */ +#define WM8400_GPI7_IRQ_ENA_WIDTH 1 /* GPI7_IRQ_ENA */ +#define WM8400_GPI7_ENA 0x0001 /* GPI7_ENA */ +#define WM8400_GPI7_ENA_MASK 0x0001 /* GPI7_ENA */ +#define WM8400_GPI7_ENA_SHIFT 0 /* GPI7_ENA */ +#define WM8400_GPI7_ENA_WIDTH 1 /* GPI7_ENA */ + +/* + * R23 (0x17) - GPIO_POL + */ +#define WM8400_IRQ_INV 0x1000 /* IRQ_INV */ +#define WM8400_IRQ_INV_MASK 0x1000 /* IRQ_INV */ +#define WM8400_IRQ_INV_SHIFT 12 /* IRQ_INV */ +#define WM8400_IRQ_INV_WIDTH 1 /* IRQ_INV */ +#define WM8400_TEMPOK_POL 0x0800 /* TEMPOK_POL */ +#define WM8400_TEMPOK_POL_MASK 0x0800 /* TEMPOK_POL */ +#define WM8400_TEMPOK_POL_SHIFT 11 /* TEMPOK_POL */ +#define WM8400_TEMPOK_POL_WIDTH 1 /* TEMPOK_POL */ +#define WM8400_MIC1SHRT_POL 0x0400 /* MIC1SHRT_POL */ +#define WM8400_MIC1SHRT_POL_MASK 0x0400 /* MIC1SHRT_POL */ +#define WM8400_MIC1SHRT_POL_SHIFT 10 /* MIC1SHRT_POL */ +#define WM8400_MIC1SHRT_POL_WIDTH 1 /* MIC1SHRT_POL */ +#define WM8400_MIC1DET_POL 0x0200 /* MIC1DET_POL */ +#define WM8400_MIC1DET_POL_MASK 0x0200 /* MIC1DET_POL */ +#define WM8400_MIC1DET_POL_SHIFT 9 /* MIC1DET_POL */ +#define WM8400_MIC1DET_POL_WIDTH 1 /* MIC1DET_POL */ +#define WM8400_FLL_LCK_POL 0x0100 /* FLL_LCK_POL */ +#define WM8400_FLL_LCK_POL_MASK 0x0100 /* FLL_LCK_POL */ +#define WM8400_FLL_LCK_POL_SHIFT 8 /* FLL_LCK_POL */ +#define WM8400_FLL_LCK_POL_WIDTH 1 /* FLL_LCK_POL */ +#define WM8400_GPIO_POL_MASK 0x00FF /* GPIO_POL - [7:0] */ +#define WM8400_GPIO_POL_SHIFT 0 /* GPIO_POL - [7:0] */ +#define WM8400_GPIO_POL_WIDTH 8 /* GPIO_POL - [7:0] */ + +/* + * R65 (0x41) - LDO 1 Control + */ +#define WM8400_LDO1_ENA 0x8000 /* LDO1_ENA */ +#define WM8400_LDO1_ENA_MASK 0x8000 /* LDO1_ENA */ +#define WM8400_LDO1_ENA_SHIFT 15 /* LDO1_ENA */ +#define WM8400_LDO1_ENA_WIDTH 1 /* LDO1_ENA */ +#define WM8400_LDO1_SWI 0x4000 /* LDO1_SWI */ +#define WM8400_LDO1_SWI_MASK 0x4000 /* LDO1_SWI */ +#define WM8400_LDO1_SWI_SHIFT 14 /* LDO1_SWI */ +#define WM8400_LDO1_SWI_WIDTH 1 /* LDO1_SWI */ +#define WM8400_LDO1_OPFLT 0x1000 /* LDO1_OPFLT */ +#define WM8400_LDO1_OPFLT_MASK 0x1000 /* LDO1_OPFLT */ +#define WM8400_LDO1_OPFLT_SHIFT 12 /* LDO1_OPFLT */ +#define WM8400_LDO1_OPFLT_WIDTH 1 /* LDO1_OPFLT */ +#define WM8400_LDO1_ERRACT 0x0800 /* LDO1_ERRACT */ +#define WM8400_LDO1_ERRACT_MASK 0x0800 /* LDO1_ERRACT */ +#define WM8400_LDO1_ERRACT_SHIFT 11 /* LDO1_ERRACT */ +#define WM8400_LDO1_ERRACT_WIDTH 1 /* LDO1_ERRACT */ +#define WM8400_LDO1_HIB_MODE 0x0400 /* LDO1_HIB_MODE */ +#define WM8400_LDO1_HIB_MODE_MASK 0x0400 /* LDO1_HIB_MODE */ +#define WM8400_LDO1_HIB_MODE_SHIFT 10 /* LDO1_HIB_MODE */ +#define WM8400_LDO1_HIB_MODE_WIDTH 1 /* LDO1_HIB_MODE */ +#define WM8400_LDO1_VIMG_MASK 0x03E0 /* LDO1_VIMG - [9:5] */ +#define WM8400_LDO1_VIMG_SHIFT 5 /* LDO1_VIMG - [9:5] */ +#define WM8400_LDO1_VIMG_WIDTH 5 /* LDO1_VIMG - [9:5] */ +#define WM8400_LDO1_VSEL_MASK 0x001F /* LDO1_VSEL - [4:0] */ +#define WM8400_LDO1_VSEL_SHIFT 0 /* LDO1_VSEL - [4:0] */ +#define WM8400_LDO1_VSEL_WIDTH 5 /* LDO1_VSEL - [4:0] */ + +/* + * R66 (0x42) - LDO 2 Control + */ +#define WM8400_LDO2_ENA 0x8000 /* LDO2_ENA */ +#define WM8400_LDO2_ENA_MASK 0x8000 /* LDO2_ENA */ +#define WM8400_LDO2_ENA_SHIFT 15 /* LDO2_ENA */ +#define WM8400_LDO2_ENA_WIDTH 1 /* LDO2_ENA */ +#define WM8400_LDO2_SWI 0x4000 /* LDO2_SWI */ +#define WM8400_LDO2_SWI_MASK 0x4000 /* LDO2_SWI */ +#define WM8400_LDO2_SWI_SHIFT 14 /* LDO2_SWI */ +#define WM8400_LDO2_SWI_WIDTH 1 /* LDO2_SWI */ +#define WM8400_LDO2_OPFLT 0x1000 /* LDO2_OPFLT */ +#define WM8400_LDO2_OPFLT_MASK 0x1000 /* LDO2_OPFLT */ +#define WM8400_LDO2_OPFLT_SHIFT 12 /* LDO2_OPFLT */ +#define WM8400_LDO2_OPFLT_WIDTH 1 /* LDO2_OPFLT */ +#define WM8400_LDO2_ERRACT 0x0800 /* LDO2_ERRACT */ +#define WM8400_LDO2_ERRACT_MASK 0x0800 /* LDO2_ERRACT */ +#define WM8400_LDO2_ERRACT_SHIFT 11 /* LDO2_ERRACT */ +#define WM8400_LDO2_ERRACT_WIDTH 1 /* LDO2_ERRACT */ +#define WM8400_LDO2_HIB_MODE 0x0400 /* LDO2_HIB_MODE */ +#define WM8400_LDO2_HIB_MODE_MASK 0x0400 /* LDO2_HIB_MODE */ +#define WM8400_LDO2_HIB_MODE_SHIFT 10 /* LDO2_HIB_MODE */ +#define WM8400_LDO2_HIB_MODE_WIDTH 1 /* LDO2_HIB_MODE */ +#define WM8400_LDO2_VIMG_MASK 0x03E0 /* LDO2_VIMG - [9:5] */ +#define WM8400_LDO2_VIMG_SHIFT 5 /* LDO2_VIMG - [9:5] */ +#define WM8400_LDO2_VIMG_WIDTH 5 /* LDO2_VIMG - [9:5] */ +#define WM8400_LDO2_VSEL_MASK 0x001F /* LDO2_VSEL - [4:0] */ +#define WM8400_LDO2_VSEL_SHIFT 0 /* LDO2_VSEL - [4:0] */ +#define WM8400_LDO2_VSEL_WIDTH 5 /* LDO2_VSEL - [4:0] */ + +/* + * R67 (0x43) - LDO 3 Control + */ +#define WM8400_LDO3_ENA 0x8000 /* LDO3_ENA */ +#define WM8400_LDO3_ENA_MASK 0x8000 /* LDO3_ENA */ +#define WM8400_LDO3_ENA_SHIFT 15 /* LDO3_ENA */ +#define WM8400_LDO3_ENA_WIDTH 1 /* LDO3_ENA */ +#define WM8400_LDO3_SWI 0x4000 /* LDO3_SWI */ +#define WM8400_LDO3_SWI_MASK 0x4000 /* LDO3_SWI */ +#define WM8400_LDO3_SWI_SHIFT 14 /* LDO3_SWI */ +#define WM8400_LDO3_SWI_WIDTH 1 /* LDO3_SWI */ +#define WM8400_LDO3_OPFLT 0x1000 /* LDO3_OPFLT */ +#define WM8400_LDO3_OPFLT_MASK 0x1000 /* LDO3_OPFLT */ +#define WM8400_LDO3_OPFLT_SHIFT 12 /* LDO3_OPFLT */ +#define WM8400_LDO3_OPFLT_WIDTH 1 /* LDO3_OPFLT */ +#define WM8400_LDO3_ERRACT 0x0800 /* LDO3_ERRACT */ +#define WM8400_LDO3_ERRACT_MASK 0x0800 /* LDO3_ERRACT */ +#define WM8400_LDO3_ERRACT_SHIFT 11 /* LDO3_ERRACT */ +#define WM8400_LDO3_ERRACT_WIDTH 1 /* LDO3_ERRACT */ +#define WM8400_LDO3_HIB_MODE 0x0400 /* LDO3_HIB_MODE */ +#define WM8400_LDO3_HIB_MODE_MASK 0x0400 /* LDO3_HIB_MODE */ +#define WM8400_LDO3_HIB_MODE_SHIFT 10 /* LDO3_HIB_MODE */ +#define WM8400_LDO3_HIB_MODE_WIDTH 1 /* LDO3_HIB_MODE */ +#define WM8400_LDO3_VIMG_MASK 0x03E0 /* LDO3_VIMG - [9:5] */ +#define WM8400_LDO3_VIMG_SHIFT 5 /* LDO3_VIMG - [9:5] */ +#define WM8400_LDO3_VIMG_WIDTH 5 /* LDO3_VIMG - [9:5] */ +#define WM8400_LDO3_VSEL_MASK 0x001F /* LDO3_VSEL - [4:0] */ +#define WM8400_LDO3_VSEL_SHIFT 0 /* LDO3_VSEL - [4:0] */ +#define WM8400_LDO3_VSEL_WIDTH 5 /* LDO3_VSEL - [4:0] */ + +/* + * R68 (0x44) - LDO 4 Control + */ +#define WM8400_LDO4_ENA 0x8000 /* LDO4_ENA */ +#define WM8400_LDO4_ENA_MASK 0x8000 /* LDO4_ENA */ +#define WM8400_LDO4_ENA_SHIFT 15 /* LDO4_ENA */ +#define WM8400_LDO4_ENA_WIDTH 1 /* LDO4_ENA */ +#define WM8400_LDO4_SWI 0x4000 /* LDO4_SWI */ +#define WM8400_LDO4_SWI_MASK 0x4000 /* LDO4_SWI */ +#define WM8400_LDO4_SWI_SHIFT 14 /* LDO4_SWI */ +#define WM8400_LDO4_SWI_WIDTH 1 /* LDO4_SWI */ +#define WM8400_LDO4_OPFLT 0x1000 /* LDO4_OPFLT */ +#define WM8400_LDO4_OPFLT_MASK 0x1000 /* LDO4_OPFLT */ +#define WM8400_LDO4_OPFLT_SHIFT 12 /* LDO4_OPFLT */ +#define WM8400_LDO4_OPFLT_WIDTH 1 /* LDO4_OPFLT */ +#define WM8400_LDO4_ERRACT 0x0800 /* LDO4_ERRACT */ +#define WM8400_LDO4_ERRACT_MASK 0x0800 /* LDO4_ERRACT */ +#define WM8400_LDO4_ERRACT_SHIFT 11 /* LDO4_ERRACT */ +#define WM8400_LDO4_ERRACT_WIDTH 1 /* LDO4_ERRACT */ +#define WM8400_LDO4_HIB_MODE 0x0400 /* LDO4_HIB_MODE */ +#define WM8400_LDO4_HIB_MODE_MASK 0x0400 /* LDO4_HIB_MODE */ +#define WM8400_LDO4_HIB_MODE_SHIFT 10 /* LDO4_HIB_MODE */ +#define WM8400_LDO4_HIB_MODE_WIDTH 1 /* LDO4_HIB_MODE */ +#define WM8400_LDO4_VIMG_MASK 0x03E0 /* LDO4_VIMG - [9:5] */ +#define WM8400_LDO4_VIMG_SHIFT 5 /* LDO4_VIMG - [9:5] */ +#define WM8400_LDO4_VIMG_WIDTH 5 /* LDO4_VIMG - [9:5] */ +#define WM8400_LDO4_VSEL_MASK 0x001F /* LDO4_VSEL - [4:0] */ +#define WM8400_LDO4_VSEL_SHIFT 0 /* LDO4_VSEL - [4:0] */ +#define WM8400_LDO4_VSEL_WIDTH 5 /* LDO4_VSEL - [4:0] */ + +/* + * R70 (0x46) - DCDC1 Control 1 + */ +#define WM8400_DC1_ENA 0x8000 /* DC1_ENA */ +#define WM8400_DC1_ENA_MASK 0x8000 /* DC1_ENA */ +#define WM8400_DC1_ENA_SHIFT 15 /* DC1_ENA */ +#define WM8400_DC1_ENA_WIDTH 1 /* DC1_ENA */ +#define WM8400_DC1_ACTIVE 0x4000 /* DC1_ACTIVE */ +#define WM8400_DC1_ACTIVE_MASK 0x4000 /* DC1_ACTIVE */ +#define WM8400_DC1_ACTIVE_SHIFT 14 /* DC1_ACTIVE */ +#define WM8400_DC1_ACTIVE_WIDTH 1 /* DC1_ACTIVE */ +#define WM8400_DC1_SLEEP 0x2000 /* DC1_SLEEP */ +#define WM8400_DC1_SLEEP_MASK 0x2000 /* DC1_SLEEP */ +#define WM8400_DC1_SLEEP_SHIFT 13 /* DC1_SLEEP */ +#define WM8400_DC1_SLEEP_WIDTH 1 /* DC1_SLEEP */ +#define WM8400_DC1_OPFLT 0x1000 /* DC1_OPFLT */ +#define WM8400_DC1_OPFLT_MASK 0x1000 /* DC1_OPFLT */ +#define WM8400_DC1_OPFLT_SHIFT 12 /* DC1_OPFLT */ +#define WM8400_DC1_OPFLT_WIDTH 1 /* DC1_OPFLT */ +#define WM8400_DC1_ERRACT 0x0800 /* DC1_ERRACT */ +#define WM8400_DC1_ERRACT_MASK 0x0800 /* DC1_ERRACT */ +#define WM8400_DC1_ERRACT_SHIFT 11 /* DC1_ERRACT */ +#define WM8400_DC1_ERRACT_WIDTH 1 /* DC1_ERRACT */ +#define WM8400_DC1_HIB_MODE 0x0400 /* DC1_HIB_MODE */ +#define WM8400_DC1_HIB_MODE_MASK 0x0400 /* DC1_HIB_MODE */ +#define WM8400_DC1_HIB_MODE_SHIFT 10 /* DC1_HIB_MODE */ +#define WM8400_DC1_HIB_MODE_WIDTH 1 /* DC1_HIB_MODE */ +#define WM8400_DC1_SOFTST_MASK 0x0300 /* DC1_SOFTST - [9:8] */ +#define WM8400_DC1_SOFTST_SHIFT 8 /* DC1_SOFTST - [9:8] */ +#define WM8400_DC1_SOFTST_WIDTH 2 /* DC1_SOFTST - [9:8] */ +#define WM8400_DC1_OV_PROT 0x0080 /* DC1_OV_PROT */ +#define WM8400_DC1_OV_PROT_MASK 0x0080 /* DC1_OV_PROT */ +#define WM8400_DC1_OV_PROT_SHIFT 7 /* DC1_OV_PROT */ +#define WM8400_DC1_OV_PROT_WIDTH 1 /* DC1_OV_PROT */ +#define WM8400_DC1_VSEL_MASK 0x007F /* DC1_VSEL - [6:0] */ +#define WM8400_DC1_VSEL_SHIFT 0 /* DC1_VSEL - [6:0] */ +#define WM8400_DC1_VSEL_WIDTH 7 /* DC1_VSEL - [6:0] */ + +/* + * R71 (0x47) - DCDC1 Control 2 + */ +#define WM8400_DC1_FRC_PWM 0x2000 /* DC1_FRC_PWM */ +#define WM8400_DC1_FRC_PWM_MASK 0x2000 /* DC1_FRC_PWM */ +#define WM8400_DC1_FRC_PWM_SHIFT 13 /* DC1_FRC_PWM */ +#define WM8400_DC1_FRC_PWM_WIDTH 1 /* DC1_FRC_PWM */ +#define WM8400_DC1_STBY_LIM_MASK 0x0300 /* DC1_STBY_LIM - [9:8] */ +#define WM8400_DC1_STBY_LIM_SHIFT 8 /* DC1_STBY_LIM - [9:8] */ +#define WM8400_DC1_STBY_LIM_WIDTH 2 /* DC1_STBY_LIM - [9:8] */ +#define WM8400_DC1_ACT_LIM 0x0080 /* DC1_ACT_LIM */ +#define WM8400_DC1_ACT_LIM_MASK 0x0080 /* DC1_ACT_LIM */ +#define WM8400_DC1_ACT_LIM_SHIFT 7 /* DC1_ACT_LIM */ +#define WM8400_DC1_ACT_LIM_WIDTH 1 /* DC1_ACT_LIM */ +#define WM8400_DC1_VIMG_MASK 0x007F /* DC1_VIMG - [6:0] */ +#define WM8400_DC1_VIMG_SHIFT 0 /* DC1_VIMG - [6:0] */ +#define WM8400_DC1_VIMG_WIDTH 7 /* DC1_VIMG - [6:0] */ + +/* + * R72 (0x48) - DCDC2 Control 1 + */ +#define WM8400_DC2_ENA 0x8000 /* DC2_ENA */ +#define WM8400_DC2_ENA_MASK 0x8000 /* DC2_ENA */ +#define WM8400_DC2_ENA_SHIFT 15 /* DC2_ENA */ +#define WM8400_DC2_ENA_WIDTH 1 /* DC2_ENA */ +#define WM8400_DC2_ACTIVE 0x4000 /* DC2_ACTIVE */ +#define WM8400_DC2_ACTIVE_MASK 0x4000 /* DC2_ACTIVE */ +#define WM8400_DC2_ACTIVE_SHIFT 14 /* DC2_ACTIVE */ +#define WM8400_DC2_ACTIVE_WIDTH 1 /* DC2_ACTIVE */ +#define WM8400_DC2_SLEEP 0x2000 /* DC2_SLEEP */ +#define WM8400_DC2_SLEEP_MASK 0x2000 /* DC2_SLEEP */ +#define WM8400_DC2_SLEEP_SHIFT 13 /* DC2_SLEEP */ +#define WM8400_DC2_SLEEP_WIDTH 1 /* DC2_SLEEP */ +#define WM8400_DC2_OPFLT 0x1000 /* DC2_OPFLT */ +#define WM8400_DC2_OPFLT_MASK 0x1000 /* DC2_OPFLT */ +#define WM8400_DC2_OPFLT_SHIFT 12 /* DC2_OPFLT */ +#define WM8400_DC2_OPFLT_WIDTH 1 /* DC2_OPFLT */ +#define WM8400_DC2_ERRACT 0x0800 /* DC2_ERRACT */ +#define WM8400_DC2_ERRACT_MASK 0x0800 /* DC2_ERRACT */ +#define WM8400_DC2_ERRACT_SHIFT 11 /* DC2_ERRACT */ +#define WM8400_DC2_ERRACT_WIDTH 1 /* DC2_ERRACT */ +#define WM8400_DC2_HIB_MODE 0x0400 /* DC2_HIB_MODE */ +#define WM8400_DC2_HIB_MODE_MASK 0x0400 /* DC2_HIB_MODE */ +#define WM8400_DC2_HIB_MODE_SHIFT 10 /* DC2_HIB_MODE */ +#define WM8400_DC2_HIB_MODE_WIDTH 1 /* DC2_HIB_MODE */ +#define WM8400_DC2_SOFTST_MASK 0x0300 /* DC2_SOFTST - [9:8] */ +#define WM8400_DC2_SOFTST_SHIFT 8 /* DC2_SOFTST - [9:8] */ +#define WM8400_DC2_SOFTST_WIDTH 2 /* DC2_SOFTST - [9:8] */ +#define WM8400_DC2_OV_PROT 0x0080 /* DC2_OV_PROT */ +#define WM8400_DC2_OV_PROT_MASK 0x0080 /* DC2_OV_PROT */ +#define WM8400_DC2_OV_PROT_SHIFT 7 /* DC2_OV_PROT */ +#define WM8400_DC2_OV_PROT_WIDTH 1 /* DC2_OV_PROT */ +#define WM8400_DC2_VSEL_MASK 0x007F /* DC2_VSEL - [6:0] */ +#define WM8400_DC2_VSEL_SHIFT 0 /* DC2_VSEL - [6:0] */ +#define WM8400_DC2_VSEL_WIDTH 7 /* DC2_VSEL - [6:0] */ + +/* + * R73 (0x49) - DCDC2 Control 2 + */ +#define WM8400_DC2_FRC_PWM 0x2000 /* DC2_FRC_PWM */ +#define WM8400_DC2_FRC_PWM_MASK 0x2000 /* DC2_FRC_PWM */ +#define WM8400_DC2_FRC_PWM_SHIFT 13 /* DC2_FRC_PWM */ +#define WM8400_DC2_FRC_PWM_WIDTH 1 /* DC2_FRC_PWM */ +#define WM8400_DC2_STBY_LIM_MASK 0x0300 /* DC2_STBY_LIM - [9:8] */ +#define WM8400_DC2_STBY_LIM_SHIFT 8 /* DC2_STBY_LIM - [9:8] */ +#define WM8400_DC2_STBY_LIM_WIDTH 2 /* DC2_STBY_LIM - [9:8] */ +#define WM8400_DC2_ACT_LIM 0x0080 /* DC2_ACT_LIM */ +#define WM8400_DC2_ACT_LIM_MASK 0x0080 /* DC2_ACT_LIM */ +#define WM8400_DC2_ACT_LIM_SHIFT 7 /* DC2_ACT_LIM */ +#define WM8400_DC2_ACT_LIM_WIDTH 1 /* DC2_ACT_LIM */ +#define WM8400_DC2_VIMG_MASK 0x007F /* DC2_VIMG - [6:0] */ +#define WM8400_DC2_VIMG_SHIFT 0 /* DC2_VIMG - [6:0] */ +#define WM8400_DC2_VIMG_WIDTH 7 /* DC2_VIMG - [6:0] */ + +/* + * R75 (0x4B) - Interface + */ +#define WM8400_AUTOINC 0x0008 /* AUTOINC */ +#define WM8400_AUTOINC_MASK 0x0008 /* AUTOINC */ +#define WM8400_AUTOINC_SHIFT 3 /* AUTOINC */ +#define WM8400_AUTOINC_WIDTH 1 /* AUTOINC */ +#define WM8400_ARA_ENA 0x0004 /* ARA_ENA */ +#define WM8400_ARA_ENA_MASK 0x0004 /* ARA_ENA */ +#define WM8400_ARA_ENA_SHIFT 2 /* ARA_ENA */ +#define WM8400_ARA_ENA_WIDTH 1 /* ARA_ENA */ +#define WM8400_SPI_CFG 0x0002 /* SPI_CFG */ +#define WM8400_SPI_CFG_MASK 0x0002 /* SPI_CFG */ +#define WM8400_SPI_CFG_SHIFT 1 /* SPI_CFG */ +#define WM8400_SPI_CFG_WIDTH 1 /* SPI_CFG */ + +/* + * R76 (0x4C) - PM GENERAL + */ +#define WM8400_CODEC_SOFTST 0x8000 /* CODEC_SOFTST */ +#define WM8400_CODEC_SOFTST_MASK 0x8000 /* CODEC_SOFTST */ +#define WM8400_CODEC_SOFTST_SHIFT 15 /* CODEC_SOFTST */ +#define WM8400_CODEC_SOFTST_WIDTH 1 /* CODEC_SOFTST */ +#define WM8400_CODEC_SOFTSD 0x4000 /* CODEC_SOFTSD */ +#define WM8400_CODEC_SOFTSD_MASK 0x4000 /* CODEC_SOFTSD */ +#define WM8400_CODEC_SOFTSD_SHIFT 14 /* CODEC_SOFTSD */ +#define WM8400_CODEC_SOFTSD_WIDTH 1 /* CODEC_SOFTSD */ +#define WM8400_CHIP_SOFTSD 0x2000 /* CHIP_SOFTSD */ +#define WM8400_CHIP_SOFTSD_MASK 0x2000 /* CHIP_SOFTSD */ +#define WM8400_CHIP_SOFTSD_SHIFT 13 /* CHIP_SOFTSD */ +#define WM8400_CHIP_SOFTSD_WIDTH 1 /* CHIP_SOFTSD */ +#define WM8400_DSLEEP1_POL 0x0008 /* DSLEEP1_POL */ +#define WM8400_DSLEEP1_POL_MASK 0x0008 /* DSLEEP1_POL */ +#define WM8400_DSLEEP1_POL_SHIFT 3 /* DSLEEP1_POL */ +#define WM8400_DSLEEP1_POL_WIDTH 1 /* DSLEEP1_POL */ +#define WM8400_DSLEEP2_POL 0x0004 /* DSLEEP2_POL */ +#define WM8400_DSLEEP2_POL_MASK 0x0004 /* DSLEEP2_POL */ +#define WM8400_DSLEEP2_POL_SHIFT 2 /* DSLEEP2_POL */ +#define WM8400_DSLEEP2_POL_WIDTH 1 /* DSLEEP2_POL */ +#define WM8400_PWR_STATE_MASK 0x0003 /* PWR_STATE - [1:0] */ +#define WM8400_PWR_STATE_SHIFT 0 /* PWR_STATE - [1:0] */ +#define WM8400_PWR_STATE_WIDTH 2 /* PWR_STATE - [1:0] */ + +/* + * R78 (0x4E) - PM Shutdown Control + */ +#define WM8400_CHIP_GT150_ERRACT 0x0200 /* CHIP_GT150_ERRACT */ +#define WM8400_CHIP_GT150_ERRACT_MASK 0x0200 /* CHIP_GT150_ERRACT */ +#define WM8400_CHIP_GT150_ERRACT_SHIFT 9 /* CHIP_GT150_ERRACT */ +#define WM8400_CHIP_GT150_ERRACT_WIDTH 1 /* CHIP_GT150_ERRACT */ +#define WM8400_CHIP_GT115_ERRACT 0x0100 /* CHIP_GT115_ERRACT */ +#define WM8400_CHIP_GT115_ERRACT_MASK 0x0100 /* CHIP_GT115_ERRACT */ +#define WM8400_CHIP_GT115_ERRACT_SHIFT 8 /* CHIP_GT115_ERRACT */ +#define WM8400_CHIP_GT115_ERRACT_WIDTH 1 /* CHIP_GT115_ERRACT */ +#define WM8400_LINE_CMP_ERRACT 0x0080 /* LINE_CMP_ERRACT */ +#define WM8400_LINE_CMP_ERRACT_MASK 0x0080 /* LINE_CMP_ERRACT */ +#define WM8400_LINE_CMP_ERRACT_SHIFT 7 /* LINE_CMP_ERRACT */ +#define WM8400_LINE_CMP_ERRACT_WIDTH 1 /* LINE_CMP_ERRACT */ +#define WM8400_UVLO_ERRACT 0x0040 /* UVLO_ERRACT */ +#define WM8400_UVLO_ERRACT_MASK 0x0040 /* UVLO_ERRACT */ +#define WM8400_UVLO_ERRACT_SHIFT 6 /* UVLO_ERRACT */ +#define WM8400_UVLO_ERRACT_WIDTH 1 /* UVLO_ERRACT */ + +/* + * R79 (0x4F) - Interrupt Status 1 + */ +#define WM8400_MICD_CINT 0x8000 /* MICD_CINT */ +#define WM8400_MICD_CINT_MASK 0x8000 /* MICD_CINT */ +#define WM8400_MICD_CINT_SHIFT 15 /* MICD_CINT */ +#define WM8400_MICD_CINT_WIDTH 1 /* MICD_CINT */ +#define WM8400_MICSCD_CINT 0x4000 /* MICSCD_CINT */ +#define WM8400_MICSCD_CINT_MASK 0x4000 /* MICSCD_CINT */ +#define WM8400_MICSCD_CINT_SHIFT 14 /* MICSCD_CINT */ +#define WM8400_MICSCD_CINT_WIDTH 1 /* MICSCD_CINT */ +#define WM8400_JDL_CINT 0x2000 /* JDL_CINT */ +#define WM8400_JDL_CINT_MASK 0x2000 /* JDL_CINT */ +#define WM8400_JDL_CINT_SHIFT 13 /* JDL_CINT */ +#define WM8400_JDL_CINT_WIDTH 1 /* JDL_CINT */ +#define WM8400_JDR_CINT 0x1000 /* JDR_CINT */ +#define WM8400_JDR_CINT_MASK 0x1000 /* JDR_CINT */ +#define WM8400_JDR_CINT_SHIFT 12 /* JDR_CINT */ +#define WM8400_JDR_CINT_WIDTH 1 /* JDR_CINT */ +#define WM8400_CODEC_SEQ_END_EINT 0x0800 /* CODEC_SEQ_END_EINT */ +#define WM8400_CODEC_SEQ_END_EINT_MASK 0x0800 /* CODEC_SEQ_END_EINT */ +#define WM8400_CODEC_SEQ_END_EINT_SHIFT 11 /* CODEC_SEQ_END_EINT */ +#define WM8400_CODEC_SEQ_END_EINT_WIDTH 1 /* CODEC_SEQ_END_EINT */ +#define WM8400_CDEL_TO_EINT 0x0400 /* CDEL_TO_EINT */ +#define WM8400_CDEL_TO_EINT_MASK 0x0400 /* CDEL_TO_EINT */ +#define WM8400_CDEL_TO_EINT_SHIFT 10 /* CDEL_TO_EINT */ +#define WM8400_CDEL_TO_EINT_WIDTH 1 /* CDEL_TO_EINT */ +#define WM8400_CHIP_GT150_EINT 0x0200 /* CHIP_GT150_EINT */ +#define WM8400_CHIP_GT150_EINT_MASK 0x0200 /* CHIP_GT150_EINT */ +#define WM8400_CHIP_GT150_EINT_SHIFT 9 /* CHIP_GT150_EINT */ +#define WM8400_CHIP_GT150_EINT_WIDTH 1 /* CHIP_GT150_EINT */ +#define WM8400_CHIP_GT115_EINT 0x0100 /* CHIP_GT115_EINT */ +#define WM8400_CHIP_GT115_EINT_MASK 0x0100 /* CHIP_GT115_EINT */ +#define WM8400_CHIP_GT115_EINT_SHIFT 8 /* CHIP_GT115_EINT */ +#define WM8400_CHIP_GT115_EINT_WIDTH 1 /* CHIP_GT115_EINT */ +#define WM8400_LINE_CMP_EINT 0x0080 /* LINE_CMP_EINT */ +#define WM8400_LINE_CMP_EINT_MASK 0x0080 /* LINE_CMP_EINT */ +#define WM8400_LINE_CMP_EINT_SHIFT 7 /* LINE_CMP_EINT */ +#define WM8400_LINE_CMP_EINT_WIDTH 1 /* LINE_CMP_EINT */ +#define WM8400_UVLO_EINT 0x0040 /* UVLO_EINT */ +#define WM8400_UVLO_EINT_MASK 0x0040 /* UVLO_EINT */ +#define WM8400_UVLO_EINT_SHIFT 6 /* UVLO_EINT */ +#define WM8400_UVLO_EINT_WIDTH 1 /* UVLO_EINT */ +#define WM8400_DC2_UV_EINT 0x0020 /* DC2_UV_EINT */ +#define WM8400_DC2_UV_EINT_MASK 0x0020 /* DC2_UV_EINT */ +#define WM8400_DC2_UV_EINT_SHIFT 5 /* DC2_UV_EINT */ +#define WM8400_DC2_UV_EINT_WIDTH 1 /* DC2_UV_EINT */ +#define WM8400_DC1_UV_EINT 0x0010 /* DC1_UV_EINT */ +#define WM8400_DC1_UV_EINT_MASK 0x0010 /* DC1_UV_EINT */ +#define WM8400_DC1_UV_EINT_SHIFT 4 /* DC1_UV_EINT */ +#define WM8400_DC1_UV_EINT_WIDTH 1 /* DC1_UV_EINT */ +#define WM8400_LDO4_UV_EINT 0x0008 /* LDO4_UV_EINT */ +#define WM8400_LDO4_UV_EINT_MASK 0x0008 /* LDO4_UV_EINT */ +#define WM8400_LDO4_UV_EINT_SHIFT 3 /* LDO4_UV_EINT */ +#define WM8400_LDO4_UV_EINT_WIDTH 1 /* LDO4_UV_EINT */ +#define WM8400_LDO3_UV_EINT 0x0004 /* LDO3_UV_EINT */ +#define WM8400_LDO3_UV_EINT_MASK 0x0004 /* LDO3_UV_EINT */ +#define WM8400_LDO3_UV_EINT_SHIFT 2 /* LDO3_UV_EINT */ +#define WM8400_LDO3_UV_EINT_WIDTH 1 /* LDO3_UV_EINT */ +#define WM8400_LDO2_UV_EINT 0x0002 /* LDO2_UV_EINT */ +#define WM8400_LDO2_UV_EINT_MASK 0x0002 /* LDO2_UV_EINT */ +#define WM8400_LDO2_UV_EINT_SHIFT 1 /* LDO2_UV_EINT */ +#define WM8400_LDO2_UV_EINT_WIDTH 1 /* LDO2_UV_EINT */ +#define WM8400_LDO1_UV_EINT 0x0001 /* LDO1_UV_EINT */ +#define WM8400_LDO1_UV_EINT_MASK 0x0001 /* LDO1_UV_EINT */ +#define WM8400_LDO1_UV_EINT_SHIFT 0 /* LDO1_UV_EINT */ +#define WM8400_LDO1_UV_EINT_WIDTH 1 /* LDO1_UV_EINT */ + +/* + * R80 (0x50) - Interrupt Status 1 Mask + */ +#define WM8400_IM_MICD_CINT 0x8000 /* IM_MICD_CINT */ +#define WM8400_IM_MICD_CINT_MASK 0x8000 /* IM_MICD_CINT */ +#define WM8400_IM_MICD_CINT_SHIFT 15 /* IM_MICD_CINT */ +#define WM8400_IM_MICD_CINT_WIDTH 1 /* IM_MICD_CINT */ +#define WM8400_IM_MICSCD_CINT 0x4000 /* IM_MICSCD_CINT */ +#define WM8400_IM_MICSCD_CINT_MASK 0x4000 /* IM_MICSCD_CINT */ +#define WM8400_IM_MICSCD_CINT_SHIFT 14 /* IM_MICSCD_CINT */ +#define WM8400_IM_MICSCD_CINT_WIDTH 1 /* IM_MICSCD_CINT */ +#define WM8400_IM_JDL_CINT 0x2000 /* IM_JDL_CINT */ +#define WM8400_IM_JDL_CINT_MASK 0x2000 /* IM_JDL_CINT */ +#define WM8400_IM_JDL_CINT_SHIFT 13 /* IM_JDL_CINT */ +#define WM8400_IM_JDL_CINT_WIDTH 1 /* IM_JDL_CINT */ +#define WM8400_IM_JDR_CINT 0x1000 /* IM_JDR_CINT */ +#define WM8400_IM_JDR_CINT_MASK 0x1000 /* IM_JDR_CINT */ +#define WM8400_IM_JDR_CINT_SHIFT 12 /* IM_JDR_CINT */ +#define WM8400_IM_JDR_CINT_WIDTH 1 /* IM_JDR_CINT */ +#define WM8400_IM_CODEC_SEQ_END_EINT 0x0800 /* IM_CODEC_SEQ_END_EINT */ +#define WM8400_IM_CODEC_SEQ_END_EINT_MASK 0x0800 /* IM_CODEC_SEQ_END_EINT */ +#define WM8400_IM_CODEC_SEQ_END_EINT_SHIFT 11 /* IM_CODEC_SEQ_END_EINT */ +#define WM8400_IM_CODEC_SEQ_END_EINT_WIDTH 1 /* IM_CODEC_SEQ_END_EINT */ +#define WM8400_IM_CDEL_TO_EINT 0x0400 /* IM_CDEL_TO_EINT */ +#define WM8400_IM_CDEL_TO_EINT_MASK 0x0400 /* IM_CDEL_TO_EINT */ +#define WM8400_IM_CDEL_TO_EINT_SHIFT 10 /* IM_CDEL_TO_EINT */ +#define WM8400_IM_CDEL_TO_EINT_WIDTH 1 /* IM_CDEL_TO_EINT */ +#define WM8400_IM_CHIP_GT150_EINT 0x0200 /* IM_CHIP_GT150_EINT */ +#define WM8400_IM_CHIP_GT150_EINT_MASK 0x0200 /* IM_CHIP_GT150_EINT */ +#define WM8400_IM_CHIP_GT150_EINT_SHIFT 9 /* IM_CHIP_GT150_EINT */ +#define WM8400_IM_CHIP_GT150_EINT_WIDTH 1 /* IM_CHIP_GT150_EINT */ +#define WM8400_IM_CHIP_GT115_EINT 0x0100 /* IM_CHIP_GT115_EINT */ +#define WM8400_IM_CHIP_GT115_EINT_MASK 0x0100 /* IM_CHIP_GT115_EINT */ +#define WM8400_IM_CHIP_GT115_EINT_SHIFT 8 /* IM_CHIP_GT115_EINT */ +#define WM8400_IM_CHIP_GT115_EINT_WIDTH 1 /* IM_CHIP_GT115_EINT */ +#define WM8400_IM_LINE_CMP_EINT 0x0080 /* IM_LINE_CMP_EINT */ +#define WM8400_IM_LINE_CMP_EINT_MASK 0x0080 /* IM_LINE_CMP_EINT */ +#define WM8400_IM_LINE_CMP_EINT_SHIFT 7 /* IM_LINE_CMP_EINT */ +#define WM8400_IM_LINE_CMP_EINT_WIDTH 1 /* IM_LINE_CMP_EINT */ +#define WM8400_IM_UVLO_EINT 0x0040 /* IM_UVLO_EINT */ +#define WM8400_IM_UVLO_EINT_MASK 0x0040 /* IM_UVLO_EINT */ +#define WM8400_IM_UVLO_EINT_SHIFT 6 /* IM_UVLO_EINT */ +#define WM8400_IM_UVLO_EINT_WIDTH 1 /* IM_UVLO_EINT */ +#define WM8400_IM_DC2_UV_EINT 0x0020 /* IM_DC2_UV_EINT */ +#define WM8400_IM_DC2_UV_EINT_MASK 0x0020 /* IM_DC2_UV_EINT */ +#define WM8400_IM_DC2_UV_EINT_SHIFT 5 /* IM_DC2_UV_EINT */ +#define WM8400_IM_DC2_UV_EINT_WIDTH 1 /* IM_DC2_UV_EINT */ +#define WM8400_IM_DC1_UV_EINT 0x0010 /* IM_DC1_UV_EINT */ +#define WM8400_IM_DC1_UV_EINT_MASK 0x0010 /* IM_DC1_UV_EINT */ +#define WM8400_IM_DC1_UV_EINT_SHIFT 4 /* IM_DC1_UV_EINT */ +#define WM8400_IM_DC1_UV_EINT_WIDTH 1 /* IM_DC1_UV_EINT */ +#define WM8400_IM_LDO4_UV_EINT 0x0008 /* IM_LDO4_UV_EINT */ +#define WM8400_IM_LDO4_UV_EINT_MASK 0x0008 /* IM_LDO4_UV_EINT */ +#define WM8400_IM_LDO4_UV_EINT_SHIFT 3 /* IM_LDO4_UV_EINT */ +#define WM8400_IM_LDO4_UV_EINT_WIDTH 1 /* IM_LDO4_UV_EINT */ +#define WM8400_IM_LDO3_UV_EINT 0x0004 /* IM_LDO3_UV_EINT */ +#define WM8400_IM_LDO3_UV_EINT_MASK 0x0004 /* IM_LDO3_UV_EINT */ +#define WM8400_IM_LDO3_UV_EINT_SHIFT 2 /* IM_LDO3_UV_EINT */ +#define WM8400_IM_LDO3_UV_EINT_WIDTH 1 /* IM_LDO3_UV_EINT */ +#define WM8400_IM_LDO2_UV_EINT 0x0002 /* IM_LDO2_UV_EINT */ +#define WM8400_IM_LDO2_UV_EINT_MASK 0x0002 /* IM_LDO2_UV_EINT */ +#define WM8400_IM_LDO2_UV_EINT_SHIFT 1 /* IM_LDO2_UV_EINT */ +#define WM8400_IM_LDO2_UV_EINT_WIDTH 1 /* IM_LDO2_UV_EINT */ +#define WM8400_IM_LDO1_UV_EINT 0x0001 /* IM_LDO1_UV_EINT */ +#define WM8400_IM_LDO1_UV_EINT_MASK 0x0001 /* IM_LDO1_UV_EINT */ +#define WM8400_IM_LDO1_UV_EINT_SHIFT 0 /* IM_LDO1_UV_EINT */ +#define WM8400_IM_LDO1_UV_EINT_WIDTH 1 /* IM_LDO1_UV_EINT */ + +/* + * R81 (0x51) - Interrupt Levels + */ +#define WM8400_MICD_LVL 0x8000 /* MICD_LVL */ +#define WM8400_MICD_LVL_MASK 0x8000 /* MICD_LVL */ +#define WM8400_MICD_LVL_SHIFT 15 /* MICD_LVL */ +#define WM8400_MICD_LVL_WIDTH 1 /* MICD_LVL */ +#define WM8400_MICSCD_LVL 0x4000 /* MICSCD_LVL */ +#define WM8400_MICSCD_LVL_MASK 0x4000 /* MICSCD_LVL */ +#define WM8400_MICSCD_LVL_SHIFT 14 /* MICSCD_LVL */ +#define WM8400_MICSCD_LVL_WIDTH 1 /* MICSCD_LVL */ +#define WM8400_JDL_LVL 0x2000 /* JDL_LVL */ +#define WM8400_JDL_LVL_MASK 0x2000 /* JDL_LVL */ +#define WM8400_JDL_LVL_SHIFT 13 /* JDL_LVL */ +#define WM8400_JDL_LVL_WIDTH 1 /* JDL_LVL */ +#define WM8400_JDR_LVL 0x1000 /* JDR_LVL */ +#define WM8400_JDR_LVL_MASK 0x1000 /* JDR_LVL */ +#define WM8400_JDR_LVL_SHIFT 12 /* JDR_LVL */ +#define WM8400_JDR_LVL_WIDTH 1 /* JDR_LVL */ +#define WM8400_CODEC_SEQ_END_LVL 0x0800 /* CODEC_SEQ_END_LVL */ +#define WM8400_CODEC_SEQ_END_LVL_MASK 0x0800 /* CODEC_SEQ_END_LVL */ +#define WM8400_CODEC_SEQ_END_LVL_SHIFT 11 /* CODEC_SEQ_END_LVL */ +#define WM8400_CODEC_SEQ_END_LVL_WIDTH 1 /* CODEC_SEQ_END_LVL */ +#define WM8400_CDEL_TO_LVL 0x0400 /* CDEL_TO_LVL */ +#define WM8400_CDEL_TO_LVL_MASK 0x0400 /* CDEL_TO_LVL */ +#define WM8400_CDEL_TO_LVL_SHIFT 10 /* CDEL_TO_LVL */ +#define WM8400_CDEL_TO_LVL_WIDTH 1 /* CDEL_TO_LVL */ +#define WM8400_CHIP_GT150_LVL 0x0200 /* CHIP_GT150_LVL */ +#define WM8400_CHIP_GT150_LVL_MASK 0x0200 /* CHIP_GT150_LVL */ +#define WM8400_CHIP_GT150_LVL_SHIFT 9 /* CHIP_GT150_LVL */ +#define WM8400_CHIP_GT150_LVL_WIDTH 1 /* CHIP_GT150_LVL */ +#define WM8400_CHIP_GT115_LVL 0x0100 /* CHIP_GT115_LVL */ +#define WM8400_CHIP_GT115_LVL_MASK 0x0100 /* CHIP_GT115_LVL */ +#define WM8400_CHIP_GT115_LVL_SHIFT 8 /* CHIP_GT115_LVL */ +#define WM8400_CHIP_GT115_LVL_WIDTH 1 /* CHIP_GT115_LVL */ +#define WM8400_LINE_CMP_LVL 0x0080 /* LINE_CMP_LVL */ +#define WM8400_LINE_CMP_LVL_MASK 0x0080 /* LINE_CMP_LVL */ +#define WM8400_LINE_CMP_LVL_SHIFT 7 /* LINE_CMP_LVL */ +#define WM8400_LINE_CMP_LVL_WIDTH 1 /* LINE_CMP_LVL */ +#define WM8400_UVLO_LVL 0x0040 /* UVLO_LVL */ +#define WM8400_UVLO_LVL_MASK 0x0040 /* UVLO_LVL */ +#define WM8400_UVLO_LVL_SHIFT 6 /* UVLO_LVL */ +#define WM8400_UVLO_LVL_WIDTH 1 /* UVLO_LVL */ +#define WM8400_DC2_UV_LVL 0x0020 /* DC2_UV_LVL */ +#define WM8400_DC2_UV_LVL_MASK 0x0020 /* DC2_UV_LVL */ +#define WM8400_DC2_UV_LVL_SHIFT 5 /* DC2_UV_LVL */ +#define WM8400_DC2_UV_LVL_WIDTH 1 /* DC2_UV_LVL */ +#define WM8400_DC1_UV_LVL 0x0010 /* DC1_UV_LVL */ +#define WM8400_DC1_UV_LVL_MASK 0x0010 /* DC1_UV_LVL */ +#define WM8400_DC1_UV_LVL_SHIFT 4 /* DC1_UV_LVL */ +#define WM8400_DC1_UV_LVL_WIDTH 1 /* DC1_UV_LVL */ +#define WM8400_LDO4_UV_LVL 0x0008 /* LDO4_UV_LVL */ +#define WM8400_LDO4_UV_LVL_MASK 0x0008 /* LDO4_UV_LVL */ +#define WM8400_LDO4_UV_LVL_SHIFT 3 /* LDO4_UV_LVL */ +#define WM8400_LDO4_UV_LVL_WIDTH 1 /* LDO4_UV_LVL */ +#define WM8400_LDO3_UV_LVL 0x0004 /* LDO3_UV_LVL */ +#define WM8400_LDO3_UV_LVL_MASK 0x0004 /* LDO3_UV_LVL */ +#define WM8400_LDO3_UV_LVL_SHIFT 2 /* LDO3_UV_LVL */ +#define WM8400_LDO3_UV_LVL_WIDTH 1 /* LDO3_UV_LVL */ +#define WM8400_LDO2_UV_LVL 0x0002 /* LDO2_UV_LVL */ +#define WM8400_LDO2_UV_LVL_MASK 0x0002 /* LDO2_UV_LVL */ +#define WM8400_LDO2_UV_LVL_SHIFT 1 /* LDO2_UV_LVL */ +#define WM8400_LDO2_UV_LVL_WIDTH 1 /* LDO2_UV_LVL */ +#define WM8400_LDO1_UV_LVL 0x0001 /* LDO1_UV_LVL */ +#define WM8400_LDO1_UV_LVL_MASK 0x0001 /* LDO1_UV_LVL */ +#define WM8400_LDO1_UV_LVL_SHIFT 0 /* LDO1_UV_LVL */ +#define WM8400_LDO1_UV_LVL_WIDTH 1 /* LDO1_UV_LVL */ + +/* + * R82 (0x52) - Shutdown Reason + */ +#define WM8400_SDR_CHIP_SOFTSD 0x2000 /* SDR_CHIP_SOFTSD */ +#define WM8400_SDR_CHIP_SOFTSD_MASK 0x2000 /* SDR_CHIP_SOFTSD */ +#define WM8400_SDR_CHIP_SOFTSD_SHIFT 13 /* SDR_CHIP_SOFTSD */ +#define WM8400_SDR_CHIP_SOFTSD_WIDTH 1 /* SDR_CHIP_SOFTSD */ +#define WM8400_SDR_NPDN 0x0800 /* SDR_NPDN */ +#define WM8400_SDR_NPDN_MASK 0x0800 /* SDR_NPDN */ +#define WM8400_SDR_NPDN_SHIFT 11 /* SDR_NPDN */ +#define WM8400_SDR_NPDN_WIDTH 1 /* SDR_NPDN */ +#define WM8400_SDR_CHIP_GT150 0x0200 /* SDR_CHIP_GT150 */ +#define WM8400_SDR_CHIP_GT150_MASK 0x0200 /* SDR_CHIP_GT150 */ +#define WM8400_SDR_CHIP_GT150_SHIFT 9 /* SDR_CHIP_GT150 */ +#define WM8400_SDR_CHIP_GT150_WIDTH 1 /* SDR_CHIP_GT150 */ +#define WM8400_SDR_CHIP_GT115 0x0100 /* SDR_CHIP_GT115 */ +#define WM8400_SDR_CHIP_GT115_MASK 0x0100 /* SDR_CHIP_GT115 */ +#define WM8400_SDR_CHIP_GT115_SHIFT 8 /* SDR_CHIP_GT115 */ +#define WM8400_SDR_CHIP_GT115_WIDTH 1 /* SDR_CHIP_GT115 */ +#define WM8400_SDR_LINE_CMP 0x0080 /* SDR_LINE_CMP */ +#define WM8400_SDR_LINE_CMP_MASK 0x0080 /* SDR_LINE_CMP */ +#define WM8400_SDR_LINE_CMP_SHIFT 7 /* SDR_LINE_CMP */ +#define WM8400_SDR_LINE_CMP_WIDTH 1 /* SDR_LINE_CMP */ +#define WM8400_SDR_UVLO 0x0040 /* SDR_UVLO */ +#define WM8400_SDR_UVLO_MASK 0x0040 /* SDR_UVLO */ +#define WM8400_SDR_UVLO_SHIFT 6 /* SDR_UVLO */ +#define WM8400_SDR_UVLO_WIDTH 1 /* SDR_UVLO */ +#define WM8400_SDR_DC2_UV 0x0020 /* SDR_DC2_UV */ +#define WM8400_SDR_DC2_UV_MASK 0x0020 /* SDR_DC2_UV */ +#define WM8400_SDR_DC2_UV_SHIFT 5 /* SDR_DC2_UV */ +#define WM8400_SDR_DC2_UV_WIDTH 1 /* SDR_DC2_UV */ +#define WM8400_SDR_DC1_UV 0x0010 /* SDR_DC1_UV */ +#define WM8400_SDR_DC1_UV_MASK 0x0010 /* SDR_DC1_UV */ +#define WM8400_SDR_DC1_UV_SHIFT 4 /* SDR_DC1_UV */ +#define WM8400_SDR_DC1_UV_WIDTH 1 /* SDR_DC1_UV */ +#define WM8400_SDR_LDO4_UV 0x0008 /* SDR_LDO4_UV */ +#define WM8400_SDR_LDO4_UV_MASK 0x0008 /* SDR_LDO4_UV */ +#define WM8400_SDR_LDO4_UV_SHIFT 3 /* SDR_LDO4_UV */ +#define WM8400_SDR_LDO4_UV_WIDTH 1 /* SDR_LDO4_UV */ +#define WM8400_SDR_LDO3_UV 0x0004 /* SDR_LDO3_UV */ +#define WM8400_SDR_LDO3_UV_MASK 0x0004 /* SDR_LDO3_UV */ +#define WM8400_SDR_LDO3_UV_SHIFT 2 /* SDR_LDO3_UV */ +#define WM8400_SDR_LDO3_UV_WIDTH 1 /* SDR_LDO3_UV */ +#define WM8400_SDR_LDO2_UV 0x0002 /* SDR_LDO2_UV */ +#define WM8400_SDR_LDO2_UV_MASK 0x0002 /* SDR_LDO2_UV */ +#define WM8400_SDR_LDO2_UV_SHIFT 1 /* SDR_LDO2_UV */ +#define WM8400_SDR_LDO2_UV_WIDTH 1 /* SDR_LDO2_UV */ +#define WM8400_SDR_LDO1_UV 0x0001 /* SDR_LDO1_UV */ +#define WM8400_SDR_LDO1_UV_MASK 0x0001 /* SDR_LDO1_UV */ +#define WM8400_SDR_LDO1_UV_SHIFT 0 /* SDR_LDO1_UV */ +#define WM8400_SDR_LDO1_UV_WIDTH 1 /* SDR_LDO1_UV */ + +/* + * R84 (0x54) - Line Circuits + */ +#define WM8400_BG_LINE_COMP 0x8000 /* BG_LINE_COMP */ +#define WM8400_BG_LINE_COMP_MASK 0x8000 /* BG_LINE_COMP */ +#define WM8400_BG_LINE_COMP_SHIFT 15 /* BG_LINE_COMP */ +#define WM8400_BG_LINE_COMP_WIDTH 1 /* BG_LINE_COMP */ +#define WM8400_LINE_CMP_VTHI_MASK 0x00F0 /* LINE_CMP_VTHI - [7:4] */ +#define WM8400_LINE_CMP_VTHI_SHIFT 4 /* LINE_CMP_VTHI - [7:4] */ +#define WM8400_LINE_CMP_VTHI_WIDTH 4 /* LINE_CMP_VTHI - [7:4] */ +#define WM8400_LINE_CMP_VTHD_MASK 0x000F /* LINE_CMP_VTHD - [3:0] */ +#define WM8400_LINE_CMP_VTHD_SHIFT 0 /* LINE_CMP_VTHD - [3:0] */ +#define WM8400_LINE_CMP_VTHD_WIDTH 4 /* LINE_CMP_VTHD - [3:0] */ + +u16 wm8400_reg_read(struct wm8400 *wm8400, u8 reg); +int wm8400_block_read(struct wm8400 *wm8400, u8 reg, int count, u16 *data); +int wm8400_set_bits(struct wm8400 *wm8400, u8 reg, u16 mask, u16 val); + +#endif -- GitLab From 42fad570b666256a3fd009e23e74cbb365a29ca8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 11 Sep 2008 11:12:01 +0100 Subject: [PATCH 4477/6244] regulator: Add WM8400 regulator support The WM8400 provides two programmable DCDC step-down (buck) convertors and four low-dropout (LDO) regulators. This driver provides support for runtime managment of these in the standard regulator API. Support for configuration of the suspend and hibernate mode behaviour of the regulators is not yet included. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/Kconfig | 7 + drivers/regulator/Makefile | 1 + drivers/regulator/wm8400-regulator.c | 368 +++++++++++++++++++++++++++ include/linux/mfd/wm8400-private.h | 1 + include/linux/mfd/wm8400.h | 40 +++ 5 files changed, 417 insertions(+) create mode 100644 drivers/regulator/wm8400-regulator.c create mode 100644 include/linux/mfd/wm8400.h diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index a656128f1fdd..99906872cb91 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -56,4 +56,11 @@ config REGULATOR_BQ24022 charging select between 100 mA and 500 mA charging current limit. +config REGULATOR_WM8400 + tristate "Wolfson Microelectroncis WM8400 AudioPlus PMIC" + depends on MFD_WM8400 + select REGULATOR + help + This driver provides support for the voltage regulators of the + WM8400 AudioPlus PMIC. endmenu diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index ac2c64efe65c..3c6ac73af152 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -8,5 +8,6 @@ obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o +obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c new file mode 100644 index 000000000000..48b372e038a8 --- /dev/null +++ b/drivers/regulator/wm8400-regulator.c @@ -0,0 +1,368 @@ +/* + * Regulator support for WM8400 + * + * Copyright 2008 Wolfson Microelectronics PLC. + * + * Author: Mark Brown + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + */ + +#include +#include +#include +#include +#include + +static int wm8400_ldo_is_enabled(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + u16 val; + + val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev)); + return (val & WM8400_LDO1_ENA) != 0; +} + +static int wm8400_ldo_enable(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + + return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev), + WM8400_LDO1_ENA, WM8400_LDO1_ENA); +} + +static int wm8400_ldo_disable(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + + return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev), + WM8400_LDO1_ENA, 0); +} + +static int wm8400_ldo_get_voltage(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + u16 val; + + val = wm8400_reg_read(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev)); + val &= WM8400_LDO1_VSEL_MASK; + + if (val < 15) + return 900000 + (val * 50000); + else + return 1600000 + ((val - 14) * 100000); +} + +static int wm8400_ldo_set_voltage(struct regulator_dev *dev, + int min_uV, int max_uV) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + u16 val; + + if (min_uV < 900000 || min_uV > 3300000) + return -EINVAL; + + if (min_uV < 1700000) { + /* Steps of 50mV from 900mV; */ + val = (min_uV - 850001) / 50000; + + if ((val * 50000) + 900000 > max_uV) + return -EINVAL; + BUG_ON((val * 50000) + 900000 < min_uV); + } else { + /* Steps of 100mV from 1700mV */ + val = ((min_uV - 1600001) / 100000); + + if ((val * 100000) + 1700000 > max_uV) + return -EINVAL; + BUG_ON((val * 100000) + 1700000 < min_uV); + + val += 0xf; + } + + return wm8400_set_bits(wm8400, WM8400_LDO1_CONTROL + rdev_get_id(dev), + WM8400_LDO1_VSEL_MASK, val); +} + +static struct regulator_ops wm8400_ldo_ops = { + .is_enabled = wm8400_ldo_is_enabled, + .enable = wm8400_ldo_enable, + .disable = wm8400_ldo_disable, + .get_voltage = wm8400_ldo_get_voltage, + .set_voltage = wm8400_ldo_set_voltage, +}; + +static int wm8400_dcdc_is_enabled(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + u16 val; + + val = wm8400_reg_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset); + return (val & WM8400_DC1_ENA) != 0; +} + +static int wm8400_dcdc_enable(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_ENA, WM8400_DC1_ENA); +} + +static int wm8400_dcdc_disable(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_ENA, 0); +} + +static int wm8400_dcdc_get_voltage(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + u16 val; + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + + val = wm8400_reg_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset); + val &= WM8400_DC1_VSEL_MASK; + + return 850000 + (25000 * val); +} + +static int wm8400_dcdc_set_voltage(struct regulator_dev *dev, + int min_uV, int max_uV) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + u16 val; + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + + if (min_uV < 850000) + return -EINVAL; + + val = (min_uV - 825001) / 25000; + + if (850000 + (25000 * val) > max_uV) + return -EINVAL; + BUG_ON(850000 + (25000 * val) < min_uV); + + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_VSEL_MASK, val); +} + +static unsigned int wm8400_dcdc_get_mode(struct regulator_dev *dev) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + u16 data[2]; + int ret; + + ret = wm8400_block_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset, 2, + data); + if (ret != 0) + return 0; + + /* Datasheet: hibernate */ + if (data[0] & WM8400_DC1_SLEEP) + return REGULATOR_MODE_STANDBY; + + /* Datasheet: standby */ + if (!(data[0] & WM8400_DC1_ACTIVE)) + return REGULATOR_MODE_IDLE; + + /* Datasheet: active with or without force PWM */ + if (data[1] & WM8400_DC1_FRC_PWM) + return REGULATOR_MODE_FAST; + else + return REGULATOR_MODE_NORMAL; +} + +static int wm8400_dcdc_set_mode(struct regulator_dev *dev, unsigned int mode) +{ + struct wm8400 *wm8400 = rdev_get_drvdata(dev); + int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; + int ret; + + switch (mode) { + case REGULATOR_MODE_FAST: + /* Datasheet: active with force PWM */ + ret = wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_2 + offset, + WM8400_DC1_FRC_PWM, WM8400_DC1_FRC_PWM); + if (ret != 0) + return ret; + + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_ACTIVE | WM8400_DC1_SLEEP, + WM8400_DC1_ACTIVE); + + case REGULATOR_MODE_NORMAL: + /* Datasheet: active */ + ret = wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_2 + offset, + WM8400_DC1_FRC_PWM, 0); + if (ret != 0) + return ret; + + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_ACTIVE | WM8400_DC1_SLEEP, + WM8400_DC1_ACTIVE); + + case REGULATOR_MODE_IDLE: + /* Datasheet: standby */ + ret = wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_ACTIVE, 0); + if (ret != 0) + return ret; + return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + WM8400_DC1_SLEEP, 0); + + default: + return -EINVAL; + } +} + +static unsigned int wm8400_dcdc_get_optimum_mode(struct regulator_dev *dev, + int input_uV, int output_uV, + int load_uA) +{ + return REGULATOR_MODE_NORMAL; +} + +static struct regulator_ops wm8400_dcdc_ops = { + .is_enabled = wm8400_dcdc_is_enabled, + .enable = wm8400_dcdc_enable, + .disable = wm8400_dcdc_disable, + .get_voltage = wm8400_dcdc_get_voltage, + .set_voltage = wm8400_dcdc_set_voltage, + .get_mode = wm8400_dcdc_get_mode, + .set_mode = wm8400_dcdc_set_mode, + .get_optimum_mode = wm8400_dcdc_get_optimum_mode, +}; + +static struct regulator_desc regulators[] = { + { + .name = "LDO1", + .id = WM8400_LDO1, + .ops = &wm8400_ldo_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO2", + .id = WM8400_LDO2, + .ops = &wm8400_ldo_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO3", + .id = WM8400_LDO3, + .ops = &wm8400_ldo_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO4", + .id = WM8400_LDO4, + .ops = &wm8400_ldo_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC1", + .id = WM8400_DCDC1, + .ops = &wm8400_dcdc_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC2", + .id = WM8400_DCDC2, + .ops = &wm8400_dcdc_ops, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, +}; + +static int __init wm8400_regulator_probe(struct platform_device *pdev) +{ + struct regulator_dev *rdev; + + rdev = regulator_register(®ulators[pdev->id], &pdev->dev, + pdev->dev.driver_data); + + if (IS_ERR(rdev)) + return PTR_ERR(rdev); + + return 0; +} + +static int __devexit wm8400_regulator_remove(struct platform_device *pdev) +{ + struct regulator_dev *rdev = platform_get_drvdata(pdev); + + regulator_unregister(rdev); + + return 0; +} + +static struct platform_driver wm8400_regulator_driver = { + .driver = { + .name = "wm8400-regulator", + }, + .probe = wm8400_regulator_probe, + .remove = __devexit_p(wm8400_regulator_remove), +}; + +/** + * wm8400_register_regulator - enable software control of a WM8400 regulator + * + * This function enables software control of a WM8400 regulator via + * the regulator API. It is intended to be called from the + * platform_init() callback of the WM8400 MFD driver. + * + * @param dev The WM8400 device to operate on. + * @param reg The regulator to control. + * @param initdata Regulator initdata for the regulator. + */ +int wm8400_register_regulator(struct device *dev, int reg, + struct regulator_init_data *initdata) +{ + struct wm8400 *wm8400 = dev->driver_data; + + if (wm8400->regulators[reg].name) + return -EBUSY; + + initdata->driver_data = wm8400; + + wm8400->regulators[reg].name = "wm8400-regulator"; + wm8400->regulators[reg].id = reg; + wm8400->regulators[reg].dev.parent = dev; + wm8400->regulators[reg].dev.driver_data = wm8400; + wm8400->regulators[reg].dev.platform_data = initdata; + + return platform_device_register(&wm8400->regulators[reg]); +} +EXPORT_SYMBOL_GPL(wm8400_register_regulator); + +static int __init wm8400_regulator_init(void) +{ + return platform_driver_register(&wm8400_regulator_driver); +} +module_init(wm8400_regulator_init); + +static void __exit wm8400_regulator_exit(void) +{ + platform_driver_unregister(&wm8400_regulator_driver); +} +module_exit(wm8400_regulator_exit); + +MODULE_AUTHOR("Mark Brown "); +MODULE_DESCRIPTION("WM8400 regulator driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:wm8400-regulator"); diff --git a/include/linux/mfd/wm8400-private.h b/include/linux/mfd/wm8400-private.h index 49042e990f05..2aab4e93a5c9 100644 --- a/include/linux/mfd/wm8400-private.h +++ b/include/linux/mfd/wm8400-private.h @@ -21,6 +21,7 @@ #ifndef __LINUX_MFD_WM8400_PRIV_H #define __LINUX_MFD_WM8400_PRIV_H +#include #include #include diff --git a/include/linux/mfd/wm8400.h b/include/linux/mfd/wm8400.h new file mode 100644 index 000000000000..b46b566ac1ac --- /dev/null +++ b/include/linux/mfd/wm8400.h @@ -0,0 +1,40 @@ +/* + * wm8400 client interface + * + * Copyright 2008 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_MFD_WM8400_H +#define __LINUX_MFD_WM8400_H + +#include + +#define WM8400_LDO1 0 +#define WM8400_LDO2 1 +#define WM8400_LDO3 2 +#define WM8400_LDO4 3 +#define WM8400_DCDC1 4 +#define WM8400_DCDC2 5 + +struct wm8400_platform_data { + int (*platform_init)(struct device *dev); +}; + +int wm8400_register_regulator(struct device *dev, int reg, + struct regulator_init_data *initdata); + +#endif -- GitLab From bc558a60b58f638ee0188affb627d4894a97b1c7 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:33:20 +0100 Subject: [PATCH 4478/6244] regulator: Export regulator name via sysfs Provide a new file 'name' in the regulator sysfs class with a human readable name for the regulator for use in applications. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- .../ABI/testing/sysfs-class-regulator | 13 +++++++++++++ drivers/regulator/core.c | 18 ++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-regulator b/Documentation/ABI/testing/sysfs-class-regulator index 84e66fdad028..3731f6f29bcb 100644 --- a/Documentation/ABI/testing/sysfs-class-regulator +++ b/Documentation/ABI/testing/sysfs-class-regulator @@ -157,6 +157,19 @@ Description: platform code. +What: /sys/class/regulator/.../name +Date: October 2008 +KernelVersion: 2.6.28 +Contact: Liam Girdwood +Description: + Each regulator directory will contain a field called + name. This holds a string identifying the regulator for + display purposes. + + NOTE: this will be empty if no suitable name is provided + by platform or regulator drivers. + + What: /sys/class/regulator/.../num_users Date: April 2008 KernelVersion: 2.6.26 diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 9a6757decd3d..02a774424e8d 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -241,6 +241,22 @@ static ssize_t regulator_uA_show(struct device *dev, return sprintf(buf, "%d\n", _regulator_get_current_limit(rdev)); } +static ssize_t regulator_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct regulator_dev *rdev = dev_get_drvdata(dev); + const char *name; + + if (rdev->constraints->name) + name = rdev->constraints->name; + else if (rdev->desc->name) + name = rdev->desc->name; + else + name = ""; + + return sprintf(buf, "%s\n", name); +} + static ssize_t regulator_opmode_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -473,7 +489,9 @@ static ssize_t regulator_suspend_standby_state_show(struct device *dev, else return sprintf(buf, "disabled\n"); } + static struct device_attribute regulator_dev_attrs[] = { + __ATTR(name, 0444, regulator_name_show, NULL), __ATTR(microvolts, 0444, regulator_uV_show, NULL), __ATTR(microamps, 0444, regulator_uA_show, NULL), __ATTR(opmode, 0444, regulator_opmode_show, NULL), -- GitLab From 06532c474718e330a7e3625ef91b94e22991128c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:03 +0100 Subject: [PATCH 4479/6244] mfd: Add WM8350 audio register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/audio.h | 592 +++++++++++++++++++++++++++++++ 1 file changed, 592 insertions(+) create mode 100644 include/linux/mfd/wm8350/audio.h diff --git a/include/linux/mfd/wm8350/audio.h b/include/linux/mfd/wm8350/audio.h new file mode 100644 index 000000000000..43342f767112 --- /dev/null +++ b/include/linux/mfd/wm8350/audio.h @@ -0,0 +1,592 @@ +/* + * audio.h -- Audio Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_WM8350_AUDIO_H_ +#define __LINUX_MFD_WM8350_AUDIO_H_ + +#define WM8350_CLOCK_CONTROL_1 0x28 +#define WM8350_CLOCK_CONTROL_2 0x29 +#define WM8350_FLL_CONTROL_1 0x2A +#define WM8350_FLL_CONTROL_2 0x2B +#define WM8350_FLL_CONTROL_3 0x2C +#define WM8350_FLL_CONTROL_4 0x2D +#define WM8350_DAC_CONTROL 0x30 +#define WM8350_DAC_DIGITAL_VOLUME_L 0x32 +#define WM8350_DAC_DIGITAL_VOLUME_R 0x33 +#define WM8350_DAC_LR_RATE 0x35 +#define WM8350_DAC_CLOCK_CONTROL 0x36 +#define WM8350_DAC_MUTE 0x3A +#define WM8350_DAC_MUTE_VOLUME 0x3B +#define WM8350_DAC_SIDE 0x3C +#define WM8350_ADC_CONTROL 0x40 +#define WM8350_ADC_DIGITAL_VOLUME_L 0x42 +#define WM8350_ADC_DIGITAL_VOLUME_R 0x43 +#define WM8350_ADC_DIVIDER 0x44 +#define WM8350_ADC_LR_RATE 0x46 +#define WM8350_INPUT_CONTROL 0x48 +#define WM8350_IN3_INPUT_CONTROL 0x49 +#define WM8350_MIC_BIAS_CONTROL 0x4A +#define WM8350_OUTPUT_CONTROL 0x4C +#define WM8350_JACK_DETECT 0x4D +#define WM8350_ANTI_POP_CONTROL 0x4E +#define WM8350_LEFT_INPUT_VOLUME 0x50 +#define WM8350_RIGHT_INPUT_VOLUME 0x51 +#define WM8350_LEFT_MIXER_CONTROL 0x58 +#define WM8350_RIGHT_MIXER_CONTROL 0x59 +#define WM8350_OUT3_MIXER_CONTROL 0x5C +#define WM8350_OUT4_MIXER_CONTROL 0x5D +#define WM8350_OUTPUT_LEFT_MIXER_VOLUME 0x60 +#define WM8350_OUTPUT_RIGHT_MIXER_VOLUME 0x61 +#define WM8350_INPUT_MIXER_VOLUME_L 0x62 +#define WM8350_INPUT_MIXER_VOLUME_R 0x63 +#define WM8350_INPUT_MIXER_VOLUME 0x64 +#define WM8350_LOUT1_VOLUME 0x68 +#define WM8350_ROUT1_VOLUME 0x69 +#define WM8350_LOUT2_VOLUME 0x6A +#define WM8350_ROUT2_VOLUME 0x6B +#define WM8350_BEEP_VOLUME 0x6F +#define WM8350_AI_FORMATING 0x70 +#define WM8350_ADC_DAC_COMP 0x71 +#define WM8350_AI_ADC_CONTROL 0x72 +#define WM8350_AI_DAC_CONTROL 0x73 +#define WM8350_AIF_TEST 0x74 +#define WM8350_JACK_PIN_STATUS 0xE7 + +/* Bit values for R08 (0x08) */ +#define WM8350_CODEC_ISEL_1_5 0 /* x1.5 */ +#define WM8350_CODEC_ISEL_1_0 1 /* x1.0 */ +#define WM8350_CODEC_ISEL_0_75 2 /* x0.75 */ +#define WM8350_CODEC_ISEL_0_5 3 /* x0.5 */ + +#define WM8350_VMID_OFF 0 +#define WM8350_VMID_500K 1 +#define WM8350_VMID_100K 2 +#define WM8350_VMID_10K 3 + +/* + * R40 (0x28) - Clock Control 1 + */ +#define WM8350_TOCLK_RATE 0x4000 +#define WM8350_MCLK_SEL 0x0800 +#define WM8350_MCLK_DIV_MASK 0x0100 +#define WM8350_BCLK_DIV_MASK 0x00F0 +#define WM8350_OPCLK_DIV_MASK 0x0007 + +/* + * R41 (0x29) - Clock Control 2 + */ +#define WM8350_LRC_ADC_SEL 0x8000 +#define WM8350_MCLK_DIR 0x0001 + +/* + * R42 (0x2A) - FLL Control 1 + */ +#define WM8350_FLL_DITHER_WIDTH_MASK 0x3000 +#define WM8350_FLL_DITHER_HP 0x0800 +#define WM8350_FLL_OUTDIV_MASK 0x0700 +#define WM8350_FLL_RSP_RATE_MASK 0x00F0 +#define WM8350_FLL_RATE_MASK 0x0007 + +/* + * R43 (0x2B) - FLL Control 2 + */ +#define WM8350_FLL_RATIO_MASK 0xF800 +#define WM8350_FLL_N_MASK 0x03FF + +/* + * R44 (0x2C) - FLL Control 3 + */ +#define WM8350_FLL_K_MASK 0xFFFF + +/* + * R45 (0x2D) - FLL Control 4 + */ +#define WM8350_FLL_FRAC 0x0020 +#define WM8350_FLL_SLOW_LOCK_REF 0x0010 +#define WM8350_FLL_CLK_SRC_MASK 0x0003 + +/* + * R48 (0x30) - DAC Control + */ +#define WM8350_DAC_MONO 0x2000 +#define WM8350_AIF_LRCLKRATE 0x1000 +#define WM8350_DEEMP_MASK 0x0030 +#define WM8350_DACL_DATINV 0x0002 +#define WM8350_DACR_DATINV 0x0001 + +/* + * R50 (0x32) - DAC Digital Volume L + */ +#define WM8350_DAC_VU 0x0100 +#define WM8350_DACL_VOL_MASK 0x00FF + +/* + * R51 (0x33) - DAC Digital Volume R + */ +#define WM8350_DAC_VU 0x0100 +#define WM8350_DACR_VOL_MASK 0x00FF + +/* + * R53 (0x35) - DAC LR Rate + */ +#define WM8350_DACLRC_ENA 0x0800 +#define WM8350_DACLRC_RATE_MASK 0x07FF + +/* + * R54 (0x36) - DAC Clock Control + */ +#define WM8350_DACCLK_POL 0x0010 +#define WM8350_DAC_CLKDIV_MASK 0x0007 + +/* + * R58 (0x3A) - DAC Mute + */ +#define WM8350_DAC_MUTE_ENA 0x4000 + +/* + * R59 (0x3B) - DAC Mute Volume + */ +#define WM8350_DAC_MUTEMODE 0x4000 +#define WM8350_DAC_MUTERATE 0x2000 +#define WM8350_DAC_SB_FILT 0x1000 + +/* + * R60 (0x3C) - DAC Side + */ +#define WM8350_ADC_TO_DACL_MASK 0x3000 +#define WM8350_ADC_TO_DACR_MASK 0x0C00 + +/* + * R64 (0x40) - ADC Control + */ +#define WM8350_ADC_HPF_CUT_MASK 0x0300 +#define WM8350_ADCL_DATINV 0x0002 +#define WM8350_ADCR_DATINV 0x0001 + +/* + * R66 (0x42) - ADC Digital Volume L + */ +#define WM8350_ADC_VU 0x0100 +#define WM8350_ADCL_VOL_MASK 0x00FF + +/* + * R67 (0x43) - ADC Digital Volume R + */ +#define WM8350_ADC_VU 0x0100 +#define WM8350_ADCR_VOL_MASK 0x00FF + +/* + * R68 (0x44) - ADC Divider + */ +#define WM8350_ADCL_DAC_SVOL_MASK 0x0F00 +#define WM8350_ADCR_DAC_SVOL_MASK 0x00F0 +#define WM8350_ADCCLK_POL 0x0008 +#define WM8350_ADC_CLKDIV_MASK 0x0007 + +/* + * R70 (0x46) - ADC LR Rate + */ +#define WM8350_ADCLRC_ENA 0x0800 +#define WM8350_ADCLRC_RATE_MASK 0x07FF + +/* + * R72 (0x48) - Input Control + */ +#define WM8350_IN2R_ENA 0x0400 +#define WM8350_IN1RN_ENA 0x0200 +#define WM8350_IN1RP_ENA 0x0100 +#define WM8350_IN2L_ENA 0x0004 +#define WM8350_IN1LN_ENA 0x0002 +#define WM8350_IN1LP_ENA 0x0001 + +/* + * R73 (0x49) - IN3 Input Control + */ +#define WM8350_IN3R_SHORT 0x4000 +#define WM8350_IN3L_SHORT 0x0040 + +/* + * R74 (0x4A) - Mic Bias Control + */ +#define WM8350_MICBSEL 0x4000 +#define WM8350_MCDTHR_MASK 0x001C +#define WM8350_MCDSCTHR_MASK 0x0003 + +/* + * R76 (0x4C) - Output Control + */ +#define WM8350_OUT4_VROI 0x0800 +#define WM8350_OUT3_VROI 0x0400 +#define WM8350_OUT2_VROI 0x0200 +#define WM8350_OUT1_VROI 0x0100 +#define WM8350_OUT2_FB 0x0004 +#define WM8350_OUT1_FB 0x0001 + +/* + * R77 (0x4D) - Jack Detect + */ +#define WM8350_JDL_ENA 0x8000 +#define WM8350_JDR_ENA 0x4000 + +/* + * R78 (0x4E) - Anti Pop Control + */ +#define WM8350_ANTI_POP_MASK 0x0300 +#define WM8350_DIS_OP_LN4_MASK 0x00C0 +#define WM8350_DIS_OP_LN3_MASK 0x0030 +#define WM8350_DIS_OP_OUT2_MASK 0x000C +#define WM8350_DIS_OP_OUT1_MASK 0x0003 + +/* + * R80 (0x50) - Left Input Volume + */ +#define WM8350_INL_MUTE 0x4000 +#define WM8350_INL_ZC 0x2000 +#define WM8350_IN_VU 0x0100 +#define WM8350_INL_VOL_MASK 0x00FC + +/* + * R81 (0x51) - Right Input Volume + */ +#define WM8350_INR_MUTE 0x4000 +#define WM8350_INR_ZC 0x2000 +#define WM8350_IN_VU 0x0100 +#define WM8350_INR_VOL_MASK 0x00FC + +/* + * R88 (0x58) - Left Mixer Control + */ +#define WM8350_DACR_TO_MIXOUTL 0x1000 +#define WM8350_DACL_TO_MIXOUTL 0x0800 +#define WM8350_IN3L_TO_MIXOUTL 0x0004 +#define WM8350_INR_TO_MIXOUTL 0x0002 +#define WM8350_INL_TO_MIXOUTL 0x0001 + +/* + * R89 (0x59) - Right Mixer Control + */ +#define WM8350_DACR_TO_MIXOUTR 0x1000 +#define WM8350_DACL_TO_MIXOUTR 0x0800 +#define WM8350_IN3R_TO_MIXOUTR 0x0008 +#define WM8350_INR_TO_MIXOUTR 0x0002 +#define WM8350_INL_TO_MIXOUTR 0x0001 + +/* + * R92 (0x5C) - OUT3 Mixer Control + */ +#define WM8350_DACL_TO_OUT3 0x0800 +#define WM8350_MIXINL_TO_OUT3 0x0100 +#define WM8350_OUT4_TO_OUT3 0x0008 +#define WM8350_MIXOUTL_TO_OUT3 0x0001 + +/* + * R93 (0x5D) - OUT4 Mixer Control + */ +#define WM8350_DACR_TO_OUT4 0x1000 +#define WM8350_DACL_TO_OUT4 0x0800 +#define WM8350_OUT4_ATTN 0x0400 +#define WM8350_MIXINR_TO_OUT4 0x0200 +#define WM8350_OUT3_TO_OUT4 0x0004 +#define WM8350_MIXOUTR_TO_OUT4 0x0002 +#define WM8350_MIXOUTL_TO_OUT4 0x0001 + +/* + * R96 (0x60) - Output Left Mixer Volume + */ +#define WM8350_IN3L_MIXOUTL_VOL_MASK 0x0E00 +#define WM8350_IN3L_MIXOUTL_VOL_SHIFT 9 +#define WM8350_INR_MIXOUTL_VOL_MASK 0x00E0 +#define WM8350_INR_MIXOUTL_VOL_SHIFT 5 +#define WM8350_INL_MIXOUTL_VOL_MASK 0x000E +#define WM8350_INL_MIXOUTL_VOL_SHIFT 1 + +/* Bit values for R96 (0x60) */ +#define WM8350_IN3L_MIXOUTL_VOL_OFF 0 +#define WM8350_IN3L_MIXOUTL_VOL_M12DB 1 +#define WM8350_IN3L_MIXOUTL_VOL_M9DB 2 +#define WM8350_IN3L_MIXOUTL_VOL_M6DB 3 +#define WM8350_IN3L_MIXOUTL_VOL_M3DB 4 +#define WM8350_IN3L_MIXOUTL_VOL_0DB 5 +#define WM8350_IN3L_MIXOUTL_VOL_3DB 6 +#define WM8350_IN3L_MIXOUTL_VOL_6DB 7 + +#define WM8350_INR_MIXOUTL_VOL_OFF 0 +#define WM8350_INR_MIXOUTL_VOL_M12DB 1 +#define WM8350_INR_MIXOUTL_VOL_M9DB 2 +#define WM8350_INR_MIXOUTL_VOL_M6DB 3 +#define WM8350_INR_MIXOUTL_VOL_M3DB 4 +#define WM8350_INR_MIXOUTL_VOL_0DB 5 +#define WM8350_INR_MIXOUTL_VOL_3DB 6 +#define WM8350_INR_MIXOUTL_VOL_6DB 7 + +#define WM8350_INL_MIXOUTL_VOL_OFF 0 +#define WM8350_INL_MIXOUTL_VOL_M12DB 1 +#define WM8350_INL_MIXOUTL_VOL_M9DB 2 +#define WM8350_INL_MIXOUTL_VOL_M6DB 3 +#define WM8350_INL_MIXOUTL_VOL_M3DB 4 +#define WM8350_INL_MIXOUTL_VOL_0DB 5 +#define WM8350_INL_MIXOUTL_VOL_3DB 6 +#define WM8350_INL_MIXOUTL_VOL_6DB 7 + +/* + * R97 (0x61) - Output Right Mixer Volume + */ +#define WM8350_IN3R_MIXOUTR_VOL_MASK 0xE000 +#define WM8350_IN3R_MIXOUTR_VOL_SHIFT 13 +#define WM8350_INR_MIXOUTR_VOL_MASK 0x00E0 +#define WM8350_INR_MIXOUTR_VOL_SHIFT 5 +#define WM8350_INL_MIXOUTR_VOL_MASK 0x000E +#define WM8350_INL_MIXOUTR_VOL_SHIFT 1 + +/* Bit values for R96 (0x60) */ +#define WM8350_IN3R_MIXOUTR_VOL_OFF 0 +#define WM8350_IN3R_MIXOUTR_VOL_M12DB 1 +#define WM8350_IN3R_MIXOUTR_VOL_M9DB 2 +#define WM8350_IN3R_MIXOUTR_VOL_M6DB 3 +#define WM8350_IN3R_MIXOUTR_VOL_M3DB 4 +#define WM8350_IN3R_MIXOUTR_VOL_0DB 5 +#define WM8350_IN3R_MIXOUTR_VOL_3DB 6 +#define WM8350_IN3R_MIXOUTR_VOL_6DB 7 + +#define WM8350_INR_MIXOUTR_VOL_OFF 0 +#define WM8350_INR_MIXOUTR_VOL_M12DB 1 +#define WM8350_INR_MIXOUTR_VOL_M9DB 2 +#define WM8350_INR_MIXOUTR_VOL_M6DB 3 +#define WM8350_INR_MIXOUTR_VOL_M3DB 4 +#define WM8350_INR_MIXOUTR_VOL_0DB 5 +#define WM8350_INR_MIXOUTR_VOL_3DB 6 +#define WM8350_INR_MIXOUTR_VOL_6DB 7 + +#define WM8350_INL_MIXOUTR_VOL_OFF 0 +#define WM8350_INL_MIXOUTR_VOL_M12DB 1 +#define WM8350_INL_MIXOUTR_VOL_M9DB 2 +#define WM8350_INL_MIXOUTR_VOL_M6DB 3 +#define WM8350_INL_MIXOUTR_VOL_M3DB 4 +#define WM8350_INL_MIXOUTR_VOL_0DB 5 +#define WM8350_INL_MIXOUTR_VOL_3DB 6 +#define WM8350_INL_MIXOUTR_VOL_6DB 7 + +/* + * R98 (0x62) - Input Mixer Volume L + */ +#define WM8350_IN3L_MIXINL_VOL_MASK 0x0E00 +#define WM8350_IN2L_MIXINL_VOL_MASK 0x000E +#define WM8350_INL_MIXINL_VOL 0x0001 + +/* + * R99 (0x63) - Input Mixer Volume R + */ +#define WM8350_IN3R_MIXINR_VOL_MASK 0xE000 +#define WM8350_IN2R_MIXINR_VOL_MASK 0x00E0 +#define WM8350_INR_MIXINR_VOL 0x0001 + +/* + * R100 (0x64) - Input Mixer Volume + */ +#define WM8350_OUT4_MIXIN_DST 0x8000 +#define WM8350_OUT4_MIXIN_VOL_MASK 0x000E + +/* + * R104 (0x68) - LOUT1 Volume + */ +#define WM8350_OUT1L_MUTE 0x4000 +#define WM8350_OUT1L_ZC 0x2000 +#define WM8350_OUT1_VU 0x0100 +#define WM8350_OUT1L_VOL_MASK 0x00FC +#define WM8350_OUT1L_VOL_SHIFT 2 + +/* + * R105 (0x69) - ROUT1 Volume + */ +#define WM8350_OUT1R_MUTE 0x4000 +#define WM8350_OUT1R_ZC 0x2000 +#define WM8350_OUT1_VU 0x0100 +#define WM8350_OUT1R_VOL_MASK 0x00FC +#define WM8350_OUT1R_VOL_SHIFT 2 + +/* + * R106 (0x6A) - LOUT2 Volume + */ +#define WM8350_OUT2L_MUTE 0x4000 +#define WM8350_OUT2L_ZC 0x2000 +#define WM8350_OUT2_VU 0x0100 +#define WM8350_OUT2L_VOL_MASK 0x00FC + +/* + * R107 (0x6B) - ROUT2 Volume + */ +#define WM8350_OUT2R_MUTE 0x4000 +#define WM8350_OUT2R_ZC 0x2000 +#define WM8350_OUT2R_INV 0x0400 +#define WM8350_OUT2R_INV_MUTE 0x0200 +#define WM8350_OUT2_VU 0x0100 +#define WM8350_OUT2R_VOL_MASK 0x00FC + +/* + * R111 (0x6F) - BEEP Volume + */ +#define WM8350_IN3R_OUT2R_VOL_MASK 0x00E0 + +/* + * R112 (0x70) - AI Formating + */ +#define WM8350_AIF_BCLK_INV 0x8000 +#define WM8350_AIF_TRI 0x2000 +#define WM8350_AIF_LRCLK_INV 0x1000 +#define WM8350_AIF_WL_MASK 0x0C00 +#define WM8350_AIF_FMT_MASK 0x0300 + +/* + * R113 (0x71) - ADC DAC COMP + */ +#define WM8350_DAC_COMP 0x0080 +#define WM8350_DAC_COMPMODE 0x0040 +#define WM8350_ADC_COMP 0x0020 +#define WM8350_ADC_COMPMODE 0x0010 +#define WM8350_LOOPBACK 0x0001 + +/* + * R114 (0x72) - AI ADC Control + */ +#define WM8350_AIFADC_PD 0x0080 +#define WM8350_AIFADCL_SRC 0x0040 +#define WM8350_AIFADCR_SRC 0x0020 +#define WM8350_AIFADC_TDM_CHAN 0x0010 +#define WM8350_AIFADC_TDM 0x0008 + +/* + * R115 (0x73) - AI DAC Control + */ +#define WM8350_BCLK_MSTR 0x4000 +#define WM8350_AIFDAC_PD 0x0080 +#define WM8350_DACL_SRC 0x0040 +#define WM8350_DACR_SRC 0x0020 +#define WM8350_AIFDAC_TDM_CHAN 0x0010 +#define WM8350_AIFDAC_TDM 0x0008 +#define WM8350_DAC_BOOST_MASK 0x0003 + +/* + * R116 (0x74) - AIF Test + */ +#define WM8350_CODEC_BYP 0x4000 +#define WM8350_AIFADC_WR_TST 0x2000 +#define WM8350_AIFADC_RD_TST 0x1000 +#define WM8350_AIFDAC_WR_TST 0x0800 +#define WM8350_AIFDAC_RD_TST 0x0400 +#define WM8350_AIFADC_ASYN 0x0020 +#define WM8350_AIFDAC_ASYN 0x0010 + +/* + * R231 (0xE7) - Jack Status + */ +#define WM8350_JACK_R_LVL 0x0400 + +/* + * WM8350 Platform setup + */ +#define WM8350_S_CURVE_NONE 0x0 +#define WM8350_S_CURVE_FAST 0x1 +#define WM8350_S_CURVE_MEDIUM 0x2 +#define WM8350_S_CURVE_SLOW 0x3 + +#define WM8350_DISCHARGE_OFF 0x0 +#define WM8350_DISCHARGE_FAST 0x1 +#define WM8350_DISCHARGE_MEDIUM 0x2 +#define WM8350_DISCHARGE_SLOW 0x3 + +#define WM8350_TIE_OFF_500R 0x0 +#define WM8350_TIE_OFF_30K 0x1 + +/* + * Clock sources & directions + */ +#define WM8350_SYSCLK 0 + +#define WM8350_MCLK_SEL_PLL_MCLK 0 +#define WM8350_MCLK_SEL_PLL_DAC 1 +#define WM8350_MCLK_SEL_PLL_ADC 2 +#define WM8350_MCLK_SEL_PLL_32K 3 +#define WM8350_MCLK_SEL_MCLK 5 + +#define WM8350_MCLK_DIR_OUT 0 +#define WM8350_MCLK_DIR_IN 1 + +/* clock divider id's */ +#define WM8350_ADC_CLKDIV 0 +#define WM8350_DAC_CLKDIV 1 +#define WM8350_BCLK_CLKDIV 2 +#define WM8350_OPCLK_CLKDIV 3 +#define WM8350_TO_CLKDIV 4 +#define WM8350_SYS_CLKDIV 5 +#define WM8350_DACLR_CLKDIV 6 +#define WM8350_ADCLR_CLKDIV 7 + +/* ADC clock dividers */ +#define WM8350_ADCDIV_1 0x0 +#define WM8350_ADCDIV_1_5 0x1 +#define WM8350_ADCDIV_2 0x2 +#define WM8350_ADCDIV_3 0x3 +#define WM8350_ADCDIV_4 0x4 +#define WM8350_ADCDIV_5_5 0x5 +#define WM8350_ADCDIV_6 0x6 + +/* ADC clock dividers */ +#define WM8350_DACDIV_1 0x0 +#define WM8350_DACDIV_1_5 0x1 +#define WM8350_DACDIV_2 0x2 +#define WM8350_DACDIV_3 0x3 +#define WM8350_DACDIV_4 0x4 +#define WM8350_DACDIV_5_5 0x5 +#define WM8350_DACDIV_6 0x6 + +/* BCLK clock dividers */ +#define WM8350_BCLK_DIV_1 (0x0 << 4) +#define WM8350_BCLK_DIV_1_5 (0x1 << 4) +#define WM8350_BCLK_DIV_2 (0x2 << 4) +#define WM8350_BCLK_DIV_3 (0x3 << 4) +#define WM8350_BCLK_DIV_4 (0x4 << 4) +#define WM8350_BCLK_DIV_5_5 (0x5 << 4) +#define WM8350_BCLK_DIV_6 (0x6 << 4) +#define WM8350_BCLK_DIV_8 (0x7 << 4) +#define WM8350_BCLK_DIV_11 (0x8 << 4) +#define WM8350_BCLK_DIV_12 (0x9 << 4) +#define WM8350_BCLK_DIV_16 (0xa << 4) +#define WM8350_BCLK_DIV_22 (0xb << 4) +#define WM8350_BCLK_DIV_24 (0xc << 4) +#define WM8350_BCLK_DIV_32 (0xd << 4) +#define WM8350_BCLK_DIV_44 (0xe << 4) +#define WM8350_BCLK_DIV_48 (0xf << 4) + +/* Sys (MCLK) clock dividers */ +#define WM8350_MCLK_DIV_1 (0x0 << 8) +#define WM8350_MCLK_DIV_2 (0x1 << 8) + +/* OP clock dividers */ +#define WM8350_OPCLK_DIV_1 0x0 +#define WM8350_OPCLK_DIV_2 0x1 +#define WM8350_OPCLK_DIV_3 0x2 +#define WM8350_OPCLK_DIV_4 0x3 +#define WM8350_OPCLK_DIV_5_5 0x4 +#define WM8350_OPCLK_DIV_6 0x5 + +/* DAI ID */ +#define WM8350_HIFI_DAI 0 + +/* + * Audio interrupts. + */ +#define WM8350_IRQ_CODEC_JCK_DET_L 39 +#define WM8350_IRQ_CODEC_JCK_DET_R 40 +#define WM8350_IRQ_CODEC_MICSCD 41 +#define WM8350_IRQ_CODEC_MICD 42 + +#endif -- GitLab From 0c42e0b7631f1bfccc27eedac2a1e03f4c8c824c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:04 +0100 Subject: [PATCH 4480/6244] mfd: Add WM8350 GPIO register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/gpio.h | 326 ++++++++++++++++++++++++++++++++ 1 file changed, 326 insertions(+) create mode 100644 include/linux/mfd/wm8350/gpio.h diff --git a/include/linux/mfd/wm8350/gpio.h b/include/linux/mfd/wm8350/gpio.h new file mode 100644 index 000000000000..928aa6e91e36 --- /dev/null +++ b/include/linux/mfd/wm8350/gpio.h @@ -0,0 +1,326 @@ +/* + * gpio.h -- GPIO Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_WM8350_GPIO_H_ +#define __LINUX_MFD_WM8350_GPIO_H_ + +/* + * GPIO Registers. + */ +#define WM8350_GPIO_DEBOUNCE 0x80 +#define WM8350_GPIO_PIN_PULL_UP_CONTROL 0x81 +#define WM8350_GPIO_PULL_DOWN_CONTROL 0x82 +#define WM8350_GPIO_INT_MODE 0x83 +#define WM8350_GPIO_CONTROL 0x85 +#define WM8350_GPIO_CONFIGURATION_I_O 0x86 +#define WM8350_GPIO_PIN_POLARITY_TYPE 0x87 +#define WM8350_GPIO_FUNCTION_SELECT_1 0x8C +#define WM8350_GPIO_FUNCTION_SELECT_2 0x8D +#define WM8350_GPIO_FUNCTION_SELECT_3 0x8E +#define WM8350_GPIO_FUNCTION_SELECT_4 0x8F + +/* + * GPIO Functions + */ +#define WM8350_GPIO0_GPIO_IN 0x0 +#define WM8350_GPIO0_GPIO_OUT 0x0 +#define WM8350_GPIO0_PWR_ON_IN 0x1 +#define WM8350_GPIO0_PWR_ON_OUT 0x1 +#define WM8350_GPIO0_LDO_EN_IN 0x2 +#define WM8350_GPIO0_VRTC_OUT 0x2 +#define WM8350_GPIO0_LPWR1_IN 0x3 +#define WM8350_GPIO0_POR_B_OUT 0x3 + +#define WM8350_GPIO1_GPIO_IN 0x0 +#define WM8350_GPIO1_GPIO_OUT 0x0 +#define WM8350_GPIO1_PWR_ON_IN 0x1 +#define WM8350_GPIO1_DO_CONF_OUT 0x1 +#define WM8350_GPIO1_LDO_EN_IN 0x2 +#define WM8350_GPIO1_RESET_OUT 0x2 +#define WM8350_GPIO1_LPWR2_IN 0x3 +#define WM8350_GPIO1_MEMRST_OUT 0x3 + +#define WM8350_GPIO2_GPIO_IN 0x0 +#define WM8350_GPIO2_GPIO_OUT 0x0 +#define WM8350_GPIO2_PWR_ON_IN 0x1 +#define WM8350_GPIO2_PWR_ON_OUT 0x1 +#define WM8350_GPIO2_WAKE_UP_IN 0x2 +#define WM8350_GPIO2_VRTC_OUT 0x2 +#define WM8350_GPIO2_32KHZ_IN 0x3 +#define WM8350_GPIO2_32KHZ_OUT 0x3 + +#define WM8350_GPIO3_GPIO_IN 0x0 +#define WM8350_GPIO3_GPIO_OUT 0x0 +#define WM8350_GPIO3_PWR_ON_IN 0x1 +#define WM8350_GPIO3_P_CLK_OUT 0x1 +#define WM8350_GPIO3_LDO_EN_IN 0x2 +#define WM8350_GPIO3_VRTC_OUT 0x2 +#define WM8350_GPIO3_PWR_OFF_IN 0x3 +#define WM8350_GPIO3_32KHZ_OUT 0x3 + +#define WM8350_GPIO4_GPIO_IN 0x0 +#define WM8350_GPIO4_GPIO_OUT 0x0 +#define WM8350_GPIO4_MR_IN 0x1 +#define WM8350_GPIO4_MEM_RST_OUT 0x1 +#define WM8350_GPIO4_FLASH_IN 0x2 +#define WM8350_GPIO4_ADA_OUT 0x2 +#define WM8350_GPIO4_HIBERNATE_IN 0x3 +#define WM8350_GPIO4_FLASH_OUT 0x3 +#define WM8350_GPIO4_MICDET_OUT 0x4 +#define WM8350_GPIO4_MICSHT_OUT 0x5 + +#define WM8350_GPIO5_GPIO_IN 0x0 +#define WM8350_GPIO5_GPIO_OUT 0x0 +#define WM8350_GPIO5_LPWR1_IN 0x1 +#define WM8350_GPIO5_P_CLK_OUT 0x1 +#define WM8350_GPIO5_ADCLRCLK_IN 0x2 +#define WM8350_GPIO5_ADCLRCLK_OUT 0x2 +#define WM8350_GPIO5_HIBERNATE_IN 0x3 +#define WM8350_GPIO5_32KHZ_OUT 0x3 +#define WM8350_GPIO5_MICDET_OUT 0x4 +#define WM8350_GPIO5_MICSHT_OUT 0x5 +#define WM8350_GPIO5_ADA_OUT 0x6 +#define WM8350_GPIO5_OPCLK_OUT 0x7 + +#define WM8350_GPIO6_GPIO_IN 0x0 +#define WM8350_GPIO6_GPIO_OUT 0x0 +#define WM8350_GPIO6_LPWR2_IN 0x1 +#define WM8350_GPIO6_MEMRST_OUT 0x1 +#define WM8350_GPIO6_FLASH_IN 0x2 +#define WM8350_GPIO6_ADA_OUT 0x2 +#define WM8350_GPIO6_HIBERNATE_IN 0x3 +#define WM8350_GPIO6_RTC_OUT 0x3 +#define WM8350_GPIO6_MICDET_OUT 0x4 +#define WM8350_GPIO6_MICSHT_OUT 0x5 +#define WM8350_GPIO6_ADCLRCLKB_OUT 0x6 +#define WM8350_GPIO6_SDOUT_OUT 0x7 + +#define WM8350_GPIO7_GPIO_IN 0x0 +#define WM8350_GPIO7_GPIO_OUT 0x0 +#define WM8350_GPIO7_LPWR3_IN 0x1 +#define WM8350_GPIO7_P_CLK_OUT 0x1 +#define WM8350_GPIO7_MASK_IN 0x2 +#define WM8350_GPIO7_VCC_FAULT_OUT 0x2 +#define WM8350_GPIO7_HIBERNATE_IN 0x3 +#define WM8350_GPIO7_BATT_FAULT_OUT 0x3 +#define WM8350_GPIO7_MICDET_OUT 0x4 +#define WM8350_GPIO7_MICSHT_OUT 0x5 +#define WM8350_GPIO7_ADA_OUT 0x6 +#define WM8350_GPIO7_CSB_IN 0x7 + +#define WM8350_GPIO8_GPIO_IN 0x0 +#define WM8350_GPIO8_GPIO_OUT 0x0 +#define WM8350_GPIO8_MR_IN 0x1 +#define WM8350_GPIO8_VCC_FAULT_OUT 0x1 +#define WM8350_GPIO8_ADCBCLK_IN 0x2 +#define WM8350_GPIO8_ADCBCLK_OUT 0x2 +#define WM8350_GPIO8_PWR_OFF_IN 0x3 +#define WM8350_GPIO8_BATT_FAULT_OUT 0x3 +#define WM8350_GPIO8_ALTSCL_IN 0xf + +#define WM8350_GPIO9_GPIO_IN 0x0 +#define WM8350_GPIO9_GPIO_OUT 0x0 +#define WM8350_GPIO9_HEARTBEAT_IN 0x1 +#define WM8350_GPIO9_VCC_FAULT_OUT 0x1 +#define WM8350_GPIO9_MASK_IN 0x2 +#define WM8350_GPIO9_LINE_GT_BATT_OUT 0x2 +#define WM8350_GPIO9_PWR_OFF_IN 0x3 +#define WM8350_GPIO9_BATT_FAULT_OUT 0x3 +#define WM8350_GPIO9_ALTSDA_OUT 0xf + +#define WM8350_GPIO10_GPIO_IN 0x0 +#define WM8350_GPIO10_GPIO_OUT 0x0 +#define WM8350_GPIO10_ISINKC_OUT 0x1 +#define WM8350_GPIO10_PWR_OFF_IN 0x2 +#define WM8350_GPIO10_LINE_GT_BATT_OUT 0x2 +#define WM8350_GPIO10_CHD_IND_IN 0x3 + +#define WM8350_GPIO11_GPIO_IN 0x0 +#define WM8350_GPIO11_GPIO_OUT 0x0 +#define WM8350_GPIO11_ISINKD_OUT 0x1 +#define WM8350_GPIO11_WAKEUP_IN 0x2 +#define WM8350_GPIO11_LINE_GT_BATT_OUT 0x2 +#define WM8350_GPIO11_CHD_IND_IN 0x3 + +#define WM8350_GPIO12_GPIO_IN 0x0 +#define WM8350_GPIO12_GPIO_OUT 0x0 +#define WM8350_GPIO12_ISINKE_OUT 0x1 +#define WM8350_GPIO12_LINE_GT_BATT_OUT 0x2 +#define WM8350_GPIO12_LINE_EN_OUT 0x3 +#define WM8350_GPIO12_32KHZ_OUT 0x4 + +#define WM8350_GPIO_DIR_IN 0 +#define WM8350_GPIO_DIR_OUT 1 +#define WM8350_GPIO_ACTIVE_LOW 0 +#define WM8350_GPIO_ACTIVE_HIGH 1 +#define WM8350_GPIO_PULL_NONE 0 +#define WM8350_GPIO_PULL_UP 1 +#define WM8350_GPIO_PULL_DOWN 2 +#define WM8350_GPIO_INVERT_OFF 0 +#define WM8350_GPIO_INVERT_ON 1 +#define WM8350_GPIO_DEBOUNCE_OFF 0 +#define WM8350_GPIO_DEBOUNCE_ON 1 + +/* + * R128 (0x80) - GPIO Debounce + */ +#define WM8350_GP12_DB 0x1000 +#define WM8350_GP11_DB 0x0800 +#define WM8350_GP10_DB 0x0400 +#define WM8350_GP9_DB 0x0200 +#define WM8350_GP8_DB 0x0100 +#define WM8350_GP7_DB 0x0080 +#define WM8350_GP6_DB 0x0040 +#define WM8350_GP5_DB 0x0020 +#define WM8350_GP4_DB 0x0010 +#define WM8350_GP3_DB 0x0008 +#define WM8350_GP2_DB 0x0004 +#define WM8350_GP1_DB 0x0002 +#define WM8350_GP0_DB 0x0001 + +/* + * R129 (0x81) - GPIO Pin pull up Control + */ +#define WM8350_GP12_PU 0x1000 +#define WM8350_GP11_PU 0x0800 +#define WM8350_GP10_PU 0x0400 +#define WM8350_GP9_PU 0x0200 +#define WM8350_GP8_PU 0x0100 +#define WM8350_GP7_PU 0x0080 +#define WM8350_GP6_PU 0x0040 +#define WM8350_GP5_PU 0x0020 +#define WM8350_GP4_PU 0x0010 +#define WM8350_GP3_PU 0x0008 +#define WM8350_GP2_PU 0x0004 +#define WM8350_GP1_PU 0x0002 +#define WM8350_GP0_PU 0x0001 + +/* + * R130 (0x82) - GPIO Pull down Control + */ +#define WM8350_GP12_PD 0x1000 +#define WM8350_GP11_PD 0x0800 +#define WM8350_GP10_PD 0x0400 +#define WM8350_GP9_PD 0x0200 +#define WM8350_GP8_PD 0x0100 +#define WM8350_GP7_PD 0x0080 +#define WM8350_GP6_PD 0x0040 +#define WM8350_GP5_PD 0x0020 +#define WM8350_GP4_PD 0x0010 +#define WM8350_GP3_PD 0x0008 +#define WM8350_GP2_PD 0x0004 +#define WM8350_GP1_PD 0x0002 +#define WM8350_GP0_PD 0x0001 + +/* + * R131 (0x83) - GPIO Interrupt Mode + */ +#define WM8350_GP12_INTMODE 0x1000 +#define WM8350_GP11_INTMODE 0x0800 +#define WM8350_GP10_INTMODE 0x0400 +#define WM8350_GP9_INTMODE 0x0200 +#define WM8350_GP8_INTMODE 0x0100 +#define WM8350_GP7_INTMODE 0x0080 +#define WM8350_GP6_INTMODE 0x0040 +#define WM8350_GP5_INTMODE 0x0020 +#define WM8350_GP4_INTMODE 0x0010 +#define WM8350_GP3_INTMODE 0x0008 +#define WM8350_GP2_INTMODE 0x0004 +#define WM8350_GP1_INTMODE 0x0002 +#define WM8350_GP0_INTMODE 0x0001 + +/* + * R133 (0x85) - GPIO Control + */ +#define WM8350_GP_DBTIME_MASK 0x00C0 + +/* + * R134 (0x86) - GPIO Configuration (i/o) + */ +#define WM8350_GP12_DIR 0x1000 +#define WM8350_GP11_DIR 0x0800 +#define WM8350_GP10_DIR 0x0400 +#define WM8350_GP9_DIR 0x0200 +#define WM8350_GP8_DIR 0x0100 +#define WM8350_GP7_DIR 0x0080 +#define WM8350_GP6_DIR 0x0040 +#define WM8350_GP5_DIR 0x0020 +#define WM8350_GP4_DIR 0x0010 +#define WM8350_GP3_DIR 0x0008 +#define WM8350_GP2_DIR 0x0004 +#define WM8350_GP1_DIR 0x0002 +#define WM8350_GP0_DIR 0x0001 + +/* + * R135 (0x87) - GPIO Pin Polarity / Type + */ +#define WM8350_GP12_CFG 0x1000 +#define WM8350_GP11_CFG 0x0800 +#define WM8350_GP10_CFG 0x0400 +#define WM8350_GP9_CFG 0x0200 +#define WM8350_GP8_CFG 0x0100 +#define WM8350_GP7_CFG 0x0080 +#define WM8350_GP6_CFG 0x0040 +#define WM8350_GP5_CFG 0x0020 +#define WM8350_GP4_CFG 0x0010 +#define WM8350_GP3_CFG 0x0008 +#define WM8350_GP2_CFG 0x0004 +#define WM8350_GP1_CFG 0x0002 +#define WM8350_GP0_CFG 0x0001 + +/* + * R140 (0x8C) - GPIO Function Select 1 + */ +#define WM8350_GP3_FN_MASK 0xF000 +#define WM8350_GP2_FN_MASK 0x0F00 +#define WM8350_GP1_FN_MASK 0x00F0 +#define WM8350_GP0_FN_MASK 0x000F + +/* + * R141 (0x8D) - GPIO Function Select 2 + */ +#define WM8350_GP7_FN_MASK 0xF000 +#define WM8350_GP6_FN_MASK 0x0F00 +#define WM8350_GP5_FN_MASK 0x00F0 +#define WM8350_GP4_FN_MASK 0x000F + +/* + * R142 (0x8E) - GPIO Function Select 3 + */ +#define WM8350_GP11_FN_MASK 0xF000 +#define WM8350_GP10_FN_MASK 0x0F00 +#define WM8350_GP9_FN_MASK 0x00F0 +#define WM8350_GP8_FN_MASK 0x000F + +/* + * R143 (0x8F) - GPIO Function Select 4 + */ +#define WM8350_GP12_FN_MASK 0x000F + +/* + * R230 (0xE6) - GPIO Pin Status + */ +#define WM8350_GP12_LVL 0x1000 +#define WM8350_GP11_LVL 0x0800 +#define WM8350_GP10_LVL 0x0400 +#define WM8350_GP9_LVL 0x0200 +#define WM8350_GP8_LVL 0x0100 +#define WM8350_GP7_LVL 0x0080 +#define WM8350_GP6_LVL 0x0040 +#define WM8350_GP5_LVL 0x0020 +#define WM8350_GP4_LVL 0x0010 +#define WM8350_GP3_LVL 0x0008 +#define WM8350_GP2_LVL 0x0004 +#define WM8350_GP1_LVL 0x0002 +#define WM8350_GP0_LVL 0x0001 + +#endif -- GitLab From 03c127ee1e0c5f7a5285d1af3d5c1571ac2646a1 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:05 +0100 Subject: [PATCH 4481/6244] mfd: Add WM8350 PMIC register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/pmic.h | 699 ++++++++++++++++++++++++++++++++ 1 file changed, 699 insertions(+) create mode 100644 include/linux/mfd/wm8350/pmic.h diff --git a/include/linux/mfd/wm8350/pmic.h b/include/linux/mfd/wm8350/pmic.h new file mode 100644 index 000000000000..28d2fab27875 --- /dev/null +++ b/include/linux/mfd/wm8350/pmic.h @@ -0,0 +1,699 @@ +/* + * pmic.h -- Power Managment Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_WM8350_PMIC_H +#define __LINUX_MFD_WM8350_PMIC_H + +/* + * Register values. + */ + +#define WM8350_CURRENT_SINK_DRIVER_A 0xAC +#define WM8350_CSA_FLASH_CONTROL 0xAD +#define WM8350_CURRENT_SINK_DRIVER_B 0xAE +#define WM8350_CSB_FLASH_CONTROL 0xAF +#define WM8350_DCDC_LDO_REQUESTED 0xB0 +#define WM8350_DCDC_ACTIVE_OPTIONS 0xB1 +#define WM8350_DCDC_SLEEP_OPTIONS 0xB2 +#define WM8350_POWER_CHECK_COMPARATOR 0xB3 +#define WM8350_DCDC1_CONTROL 0xB4 +#define WM8350_DCDC1_TIMEOUTS 0xB5 +#define WM8350_DCDC1_LOW_POWER 0xB6 +#define WM8350_DCDC2_CONTROL 0xB7 +#define WM8350_DCDC2_TIMEOUTS 0xB8 +#define WM8350_DCDC3_CONTROL 0xBA +#define WM8350_DCDC3_TIMEOUTS 0xBB +#define WM8350_DCDC3_LOW_POWER 0xBC +#define WM8350_DCDC4_CONTROL 0xBD +#define WM8350_DCDC4_TIMEOUTS 0xBE +#define WM8350_DCDC4_LOW_POWER 0xBF +#define WM8350_DCDC5_CONTROL 0xC0 +#define WM8350_DCDC5_TIMEOUTS 0xC1 +#define WM8350_DCDC6_CONTROL 0xC3 +#define WM8350_DCDC6_TIMEOUTS 0xC4 +#define WM8350_DCDC6_LOW_POWER 0xC5 +#define WM8350_LIMIT_SWITCH_CONTROL 0xC7 +#define WM8350_LDO1_CONTROL 0xC8 +#define WM8350_LDO1_TIMEOUTS 0xC9 +#define WM8350_LDO1_LOW_POWER 0xCA +#define WM8350_LDO2_CONTROL 0xCB +#define WM8350_LDO2_TIMEOUTS 0xCC +#define WM8350_LDO2_LOW_POWER 0xCD +#define WM8350_LDO3_CONTROL 0xCE +#define WM8350_LDO3_TIMEOUTS 0xCF +#define WM8350_LDO3_LOW_POWER 0xD0 +#define WM8350_LDO4_CONTROL 0xD1 +#define WM8350_LDO4_TIMEOUTS 0xD2 +#define WM8350_LDO4_LOW_POWER 0xD3 +#define WM8350_VCC_FAULT_MASKS 0xD7 +#define WM8350_MAIN_BANDGAP_CONTROL 0xD8 +#define WM8350_OSC_CONTROL 0xD9 +#define WM8350_RTC_TICK_CONTROL 0xDA +#define WM8350_SECURITY 0xDB +#define WM8350_RAM_BIST_1 0xDC +#define WM8350_DCDC_LDO_STATUS 0xE1 +#define WM8350_GPIO_PIN_STATUS 0xE6 + +#define WM8350_DCDC1_FORCE_PWM 0xF8 +#define WM8350_DCDC3_FORCE_PWM 0xFA +#define WM8350_DCDC4_FORCE_PWM 0xFB +#define WM8350_DCDC6_FORCE_PWM 0xFD + +/* + * R172 (0xAC) - Current Sink Driver A + */ +#define WM8350_CS1_HIB_MODE 0x1000 +#define WM8350_CS1_HIB_MODE_MASK 0x1000 +#define WM8350_CS1_HIB_MODE_SHIFT 12 +#define WM8350_CS1_ISEL_MASK 0x003F +#define WM8350_CS1_ISEL_SHIFT 0 + +/* Bit values for R172 (0xAC) */ +#define WM8350_CS1_HIB_MODE_DISABLE 0 +#define WM8350_CS1_HIB_MODE_LEAVE 1 + +#define WM8350_CS1_ISEL_220M 0x3F + +/* + * R173 (0xAD) - CSA Flash control + */ +#define WM8350_CS1_FLASH_MODE 0x8000 +#define WM8350_CS1_TRIGSRC 0x4000 +#define WM8350_CS1_DRIVE 0x2000 +#define WM8350_CS1_FLASH_DUR_MASK 0x0300 +#define WM8350_CS1_OFF_RAMP_MASK 0x0030 +#define WM8350_CS1_ON_RAMP_MASK 0x0003 + +/* + * R174 (0xAE) - Current Sink Driver B + */ +#define WM8350_CS2_HIB_MODE 0x1000 +#define WM8350_CS2_ISEL_MASK 0x003F + +/* + * R175 (0xAF) - CSB Flash control + */ +#define WM8350_CS2_FLASH_MODE 0x8000 +#define WM8350_CS2_TRIGSRC 0x4000 +#define WM8350_CS2_DRIVE 0x2000 +#define WM8350_CS2_FLASH_DUR_MASK 0x0300 +#define WM8350_CS2_OFF_RAMP_MASK 0x0030 +#define WM8350_CS2_ON_RAMP_MASK 0x0003 + +/* + * R176 (0xB0) - DCDC/LDO requested + */ +#define WM8350_LS_ENA 0x8000 +#define WM8350_LDO4_ENA 0x0800 +#define WM8350_LDO3_ENA 0x0400 +#define WM8350_LDO2_ENA 0x0200 +#define WM8350_LDO1_ENA 0x0100 +#define WM8350_DC6_ENA 0x0020 +#define WM8350_DC5_ENA 0x0010 +#define WM8350_DC4_ENA 0x0008 +#define WM8350_DC3_ENA 0x0004 +#define WM8350_DC2_ENA 0x0002 +#define WM8350_DC1_ENA 0x0001 + +/* + * R177 (0xB1) - DCDC Active options + */ +#define WM8350_PUTO_MASK 0x3000 +#define WM8350_PWRUP_DELAY_MASK 0x0300 +#define WM8350_DC6_ACTIVE 0x0020 +#define WM8350_DC4_ACTIVE 0x0008 +#define WM8350_DC3_ACTIVE 0x0004 +#define WM8350_DC1_ACTIVE 0x0001 + +/* + * R178 (0xB2) - DCDC Sleep options + */ +#define WM8350_DC6_SLEEP 0x0020 +#define WM8350_DC4_SLEEP 0x0008 +#define WM8350_DC3_SLEEP 0x0004 +#define WM8350_DC1_SLEEP 0x0001 + +/* + * R179 (0xB3) - Power-check comparator + */ +#define WM8350_PCCMP_ERRACT 0x4000 +#define WM8350_PCCMP_RAIL 0x0100 +#define WM8350_PCCMP_OFF_THR_MASK 0x0070 +#define WM8350_PCCMP_ON_THR_MASK 0x0007 + +/* + * R180 (0xB4) - DCDC1 Control + */ +#define WM8350_DC1_OPFLT 0x0400 +#define WM8350_DC1_VSEL_MASK 0x007F +#define WM8350_DC1_VSEL_SHIFT 0 + +/* + * R181 (0xB5) - DCDC1 Timeouts + */ +#define WM8350_DC1_ERRACT_MASK 0xC000 +#define WM8350_DC1_ERRACT_SHIFT 14 +#define WM8350_DC1_ENSLOT_MASK 0x3C00 +#define WM8350_DC1_ENSLOT_SHIFT 10 +#define WM8350_DC1_SDSLOT_MASK 0x03C0 +#define WM8350_DC1_UVTO_MASK 0x0030 +#define WM8350_DC1_SDSLOT_SHIFT 6 + +/* Bit values for R181 (0xB5) */ +#define WM8350_DC1_ERRACT_NONE 0 +#define WM8350_DC1_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC1_ERRACT_SHUTDOWN_SYS 2 + +/* + * R182 (0xB6) - DCDC1 Low Power + */ +#define WM8350_DC1_HIB_MODE_MASK 0x7000 +#define WM8350_DC1_HIB_TRIG_MASK 0x0300 +#define WM8350_DC1_VIMG_MASK 0x007F + +/* + * R183 (0xB7) - DCDC2 Control + */ +#define WM8350_DC2_MODE 0x4000 +#define WM8350_DC2_MODE_MASK 0x4000 +#define WM8350_DC2_MODE_SHIFT 14 +#define WM8350_DC2_HIB_MODE 0x1000 +#define WM8350_DC2_HIB_MODE_MASK 0x1000 +#define WM8350_DC2_HIB_MODE_SHIFT 12 +#define WM8350_DC2_HIB_TRIG_MASK 0x0300 +#define WM8350_DC2_HIB_TRIG_SHIFT 8 +#define WM8350_DC2_ILIM 0x0040 +#define WM8350_DC2_ILIM_MASK 0x0040 +#define WM8350_DC2_ILIM_SHIFT 6 +#define WM8350_DC2_RMP_MASK 0x0018 +#define WM8350_DC2_RMP_SHIFT 3 +#define WM8350_DC2_FBSRC_MASK 0x0003 +#define WM8350_DC2_FBSRC_SHIFT 0 + +/* Bit values for R183 (0xB7) */ +#define WM8350_DC2_MODE_BOOST 0 +#define WM8350_DC2_MODE_SWITCH 1 + +#define WM8350_DC2_HIB_MODE_ACTIVE 1 +#define WM8350_DC2_HIB_MODE_DISABLE 0 + +#define WM8350_DC2_HIB_TRIG_NONE 0 +#define WM8350_DC2_HIB_TRIG_LPWR1 1 +#define WM8350_DC2_HIB_TRIG_LPWR2 2 +#define WM8350_DC2_HIB_TRIG_LPWR3 3 + +#define WM8350_DC2_ILIM_HIGH 0 +#define WM8350_DC2_ILIM_LOW 1 + +#define WM8350_DC2_RMP_30V 0 +#define WM8350_DC2_RMP_20V 1 +#define WM8350_DC2_RMP_10V 2 +#define WM8350_DC2_RMP_5V 3 + +#define WM8350_DC2_FBSRC_FB2 0 +#define WM8350_DC2_FBSRC_ISINKA 1 +#define WM8350_DC2_FBSRC_ISINKB 2 +#define WM8350_DC2_FBSRC_USB 3 + +/* + * R184 (0xB8) - DCDC2 Timeouts + */ +#define WM8350_DC2_ERRACT_MASK 0xC000 +#define WM8350_DC2_ERRACT_SHIFT 14 +#define WM8350_DC2_ENSLOT_MASK 0x3C00 +#define WM8350_DC2_ENSLOT_SHIFT 10 +#define WM8350_DC2_SDSLOT_MASK 0x03C0 +#define WM8350_DC2_UVTO_MASK 0x0030 + +/* Bit values for R184 (0xB8) */ +#define WM8350_DC2_ERRACT_NONE 0 +#define WM8350_DC2_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC2_ERRACT_SHUTDOWN_SYS 2 + +/* + * R186 (0xBA) - DCDC3 Control + */ +#define WM8350_DC3_OPFLT 0x0400 +#define WM8350_DC3_VSEL_MASK 0x007F +#define WM8350_DC3_VSEL_SHIFT 0 + +/* + * R187 (0xBB) - DCDC3 Timeouts + */ +#define WM8350_DC3_ERRACT_MASK 0xC000 +#define WM8350_DC3_ERRACT_SHIFT 14 +#define WM8350_DC3_ENSLOT_MASK 0x3C00 +#define WM8350_DC3_ENSLOT_SHIFT 10 +#define WM8350_DC3_SDSLOT_MASK 0x03C0 +#define WM8350_DC3_UVTO_MASK 0x0030 +#define WM8350_DC3_SDSLOT_SHIFT 6 + +/* Bit values for R187 (0xBB) */ +#define WM8350_DC3_ERRACT_NONE 0 +#define WM8350_DC3_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC3_ERRACT_SHUTDOWN_SYS 2 +/* + * R188 (0xBC) - DCDC3 Low Power + */ +#define WM8350_DC3_HIB_MODE_MASK 0x7000 +#define WM8350_DC3_HIB_TRIG_MASK 0x0300 +#define WM8350_DC3_VIMG_MASK 0x007F + +/* + * R189 (0xBD) - DCDC4 Control + */ +#define WM8350_DC4_OPFLT 0x0400 +#define WM8350_DC4_VSEL_MASK 0x007F +#define WM8350_DC4_VSEL_SHIFT 0 + +/* + * R190 (0xBE) - DCDC4 Timeouts + */ +#define WM8350_DC4_ERRACT_MASK 0xC000 +#define WM8350_DC4_ERRACT_SHIFT 14 +#define WM8350_DC4_ENSLOT_MASK 0x3C00 +#define WM8350_DC4_ENSLOT_SHIFT 10 +#define WM8350_DC4_SDSLOT_MASK 0x03C0 +#define WM8350_DC4_UVTO_MASK 0x0030 +#define WM8350_DC4_SDSLOT_SHIFT 6 + +/* Bit values for R190 (0xBE) */ +#define WM8350_DC4_ERRACT_NONE 0 +#define WM8350_DC4_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC4_ERRACT_SHUTDOWN_SYS 2 + +/* + * R191 (0xBF) - DCDC4 Low Power + */ +#define WM8350_DC4_HIB_MODE_MASK 0x7000 +#define WM8350_DC4_HIB_TRIG_MASK 0x0300 +#define WM8350_DC4_VIMG_MASK 0x007F + +/* + * R192 (0xC0) - DCDC5 Control + */ +#define WM8350_DC5_MODE 0x4000 +#define WM8350_DC5_MODE_MASK 0x4000 +#define WM8350_DC5_MODE_SHIFT 14 +#define WM8350_DC5_HIB_MODE 0x1000 +#define WM8350_DC5_HIB_MODE_MASK 0x1000 +#define WM8350_DC5_HIB_MODE_SHIFT 12 +#define WM8350_DC5_HIB_TRIG_MASK 0x0300 +#define WM8350_DC5_HIB_TRIG_SHIFT 8 +#define WM8350_DC5_ILIM 0x0040 +#define WM8350_DC5_ILIM_MASK 0x0040 +#define WM8350_DC5_ILIM_SHIFT 6 +#define WM8350_DC5_RMP_MASK 0x0018 +#define WM8350_DC5_RMP_SHIFT 3 +#define WM8350_DC5_FBSRC_MASK 0x0003 +#define WM8350_DC5_FBSRC_SHIFT 0 + +/* Bit values for R192 (0xC0) */ +#define WM8350_DC5_MODE_BOOST 0 +#define WM8350_DC5_MODE_SWITCH 1 + +#define WM8350_DC5_HIB_MODE_ACTIVE 1 +#define WM8350_DC5_HIB_MODE_DISABLE 0 + +#define WM8350_DC5_HIB_TRIG_NONE 0 +#define WM8350_DC5_HIB_TRIG_LPWR1 1 +#define WM8350_DC5_HIB_TRIG_LPWR2 2 +#define WM8350_DC5_HIB_TRIG_LPWR3 3 + +#define WM8350_DC5_ILIM_HIGH 0 +#define WM8350_DC5_ILIM_LOW 1 + +#define WM8350_DC5_RMP_30V 0 +#define WM8350_DC5_RMP_20V 1 +#define WM8350_DC5_RMP_10V 2 +#define WM8350_DC5_RMP_5V 3 + +#define WM8350_DC5_FBSRC_FB2 0 +#define WM8350_DC5_FBSRC_ISINKA 1 +#define WM8350_DC5_FBSRC_ISINKB 2 +#define WM8350_DC5_FBSRC_USB 3 + +/* + * R193 (0xC1) - DCDC5 Timeouts + */ +#define WM8350_DC5_ERRACT_MASK 0xC000 +#define WM8350_DC5_ERRACT_SHIFT 14 +#define WM8350_DC5_ENSLOT_MASK 0x3C00 +#define WM8350_DC5_ENSLOT_SHIFT 10 +#define WM8350_DC5_SDSLOT_MASK 0x03C0 +#define WM8350_DC5_UVTO_MASK 0x0030 +#define WM8350_DC5_SDSLOT_SHIFT 6 + +/* Bit values for R193 (0xC1) */ +#define WM8350_DC5_ERRACT_NONE 0 +#define WM8350_DC5_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC5_ERRACT_SHUTDOWN_SYS 2 + +/* + * R195 (0xC3) - DCDC6 Control + */ +#define WM8350_DC6_OPFLT 0x0400 +#define WM8350_DC6_VSEL_MASK 0x007F +#define WM8350_DC6_VSEL_SHIFT 0 + +/* + * R196 (0xC4) - DCDC6 Timeouts + */ +#define WM8350_DC6_ERRACT_MASK 0xC000 +#define WM8350_DC6_ERRACT_SHIFT 14 +#define WM8350_DC6_ENSLOT_MASK 0x3C00 +#define WM8350_DC6_ENSLOT_SHIFT 10 +#define WM8350_DC6_SDSLOT_MASK 0x03C0 +#define WM8350_DC6_UVTO_MASK 0x0030 +#define WM8350_DC6_SDSLOT_SHIFT 6 + +/* Bit values for R196 (0xC4) */ +#define WM8350_DC6_ERRACT_NONE 0 +#define WM8350_DC6_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_DC6_ERRACT_SHUTDOWN_SYS 2 + +/* + * R197 (0xC5) - DCDC6 Low Power + */ +#define WM8350_DC6_HIB_MODE_MASK 0x7000 +#define WM8350_DC6_HIB_TRIG_MASK 0x0300 +#define WM8350_DC6_VIMG_MASK 0x007F + +/* + * R199 (0xC7) - Limit Switch Control + */ +#define WM8350_LS_ERRACT_MASK 0xC000 +#define WM8350_LS_ERRACT_SHIFT 14 +#define WM8350_LS_ENSLOT_MASK 0x3C00 +#define WM8350_LS_ENSLOT_SHIFT 10 +#define WM8350_LS_SDSLOT_MASK 0x03C0 +#define WM8350_LS_SDSLOT_SHIFT 6 +#define WM8350_LS_HIB_MODE 0x0010 +#define WM8350_LS_HIB_MODE_MASK 0x0010 +#define WM8350_LS_HIB_MODE_SHIFT 4 +#define WM8350_LS_HIB_PROT 0x0002 +#define WM8350_LS_HIB_PROT_MASK 0x0002 +#define WM8350_LS_HIB_PROT_SHIFT 1 +#define WM8350_LS_PROT 0x0001 +#define WM8350_LS_PROT_MASK 0x0001 +#define WM8350_LS_PROT_SHIFT 0 + +/* Bit values for R199 (0xC7) */ +#define WM8350_LS_ERRACT_NONE 0 +#define WM8350_LS_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_LS_ERRACT_SHUTDOWN_SYS 2 + +/* + * R200 (0xC8) - LDO1 Control + */ +#define WM8350_LDO1_SWI 0x4000 +#define WM8350_LDO1_OPFLT 0x0400 +#define WM8350_LDO1_VSEL_MASK 0x001F +#define WM8350_LDO1_VSEL_SHIFT 0 + +/* + * R201 (0xC9) - LDO1 Timeouts + */ +#define WM8350_LDO1_ERRACT_MASK 0xC000 +#define WM8350_LDO1_ERRACT_SHIFT 14 +#define WM8350_LDO1_ENSLOT_MASK 0x3C00 +#define WM8350_LDO1_ENSLOT_SHIFT 10 +#define WM8350_LDO1_SDSLOT_MASK 0x03C0 +#define WM8350_LDO1_UVTO_MASK 0x0030 +#define WM8350_LDO1_SDSLOT_SHIFT 6 + +/* Bit values for R201 (0xC9) */ +#define WM8350_LDO1_ERRACT_NONE 0 +#define WM8350_LDO1_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_LDO1_ERRACT_SHUTDOWN_SYS 2 + +/* + * R202 (0xCA) - LDO1 Low Power + */ +#define WM8350_LDO1_HIB_MODE_MASK 0x3000 +#define WM8350_LDO1_HIB_TRIG_MASK 0x0300 +#define WM8350_LDO1_VIMG_MASK 0x001F +#define WM8350_LDO1_HIB_MODE_DIS (0x1 << 12) + + +/* + * R203 (0xCB) - LDO2 Control + */ +#define WM8350_LDO2_SWI 0x4000 +#define WM8350_LDO2_OPFLT 0x0400 +#define WM8350_LDO2_VSEL_MASK 0x001F +#define WM8350_LDO2_VSEL_SHIFT 0 + +/* + * R204 (0xCC) - LDO2 Timeouts + */ +#define WM8350_LDO2_ERRACT_MASK 0xC000 +#define WM8350_LDO2_ERRACT_SHIFT 14 +#define WM8350_LDO2_ENSLOT_MASK 0x3C00 +#define WM8350_LDO2_ENSLOT_SHIFT 10 +#define WM8350_LDO2_SDSLOT_MASK 0x03C0 +#define WM8350_LDO2_SDSLOT_SHIFT 6 + +/* Bit values for R204 (0xCC) */ +#define WM8350_LDO2_ERRACT_NONE 0 +#define WM8350_LDO2_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_LDO2_ERRACT_SHUTDOWN_SYS 2 + +/* + * R205 (0xCD) - LDO2 Low Power + */ +#define WM8350_LDO2_HIB_MODE_MASK 0x3000 +#define WM8350_LDO2_HIB_TRIG_MASK 0x0300 +#define WM8350_LDO2_VIMG_MASK 0x001F + +/* + * R206 (0xCE) - LDO3 Control + */ +#define WM8350_LDO3_SWI 0x4000 +#define WM8350_LDO3_OPFLT 0x0400 +#define WM8350_LDO3_VSEL_MASK 0x001F +#define WM8350_LDO3_VSEL_SHIFT 0 + +/* + * R207 (0xCF) - LDO3 Timeouts + */ +#define WM8350_LDO3_ERRACT_MASK 0xC000 +#define WM8350_LDO3_ERRACT_SHIFT 14 +#define WM8350_LDO3_ENSLOT_MASK 0x3C00 +#define WM8350_LDO3_ENSLOT_SHIFT 10 +#define WM8350_LDO3_SDSLOT_MASK 0x03C0 +#define WM8350_LDO3_UVTO_MASK 0x0030 +#define WM8350_LDO3_SDSLOT_SHIFT 6 + +/* Bit values for R207 (0xCF) */ +#define WM8350_LDO3_ERRACT_NONE 0 +#define WM8350_LDO3_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_LDO3_ERRACT_SHUTDOWN_SYS 2 + +/* + * R208 (0xD0) - LDO3 Low Power + */ +#define WM8350_LDO3_HIB_MODE_MASK 0x3000 +#define WM8350_LDO3_HIB_TRIG_MASK 0x0300 +#define WM8350_LDO3_VIMG_MASK 0x001F + +/* + * R209 (0xD1) - LDO4 Control + */ +#define WM8350_LDO4_SWI 0x4000 +#define WM8350_LDO4_OPFLT 0x0400 +#define WM8350_LDO4_VSEL_MASK 0x001F +#define WM8350_LDO4_VSEL_SHIFT 0 + +/* + * R210 (0xD2) - LDO4 Timeouts + */ +#define WM8350_LDO4_ERRACT_MASK 0xC000 +#define WM8350_LDO4_ERRACT_SHIFT 14 +#define WM8350_LDO4_ENSLOT_MASK 0x3C00 +#define WM8350_LDO4_ENSLOT_SHIFT 10 +#define WM8350_LDO4_SDSLOT_MASK 0x03C0 +#define WM8350_LDO4_UVTO_MASK 0x0030 +#define WM8350_LDO4_SDSLOT_SHIFT 6 + +/* Bit values for R210 (0xD2) */ +#define WM8350_LDO4_ERRACT_NONE 0 +#define WM8350_LDO4_ERRACT_SHUTDOWN_CONV 1 +#define WM8350_LDO4_ERRACT_SHUTDOWN_SYS 2 + +/* + * R211 (0xD3) - LDO4 Low Power + */ +#define WM8350_LDO4_HIB_MODE_MASK 0x3000 +#define WM8350_LDO4_HIB_TRIG_MASK 0x0300 +#define WM8350_LDO4_VIMG_MASK 0x001F + +/* + * R215 (0xD7) - VCC_FAULT Masks + */ +#define WM8350_LS_FAULT 0x8000 +#define WM8350_LDO4_FAULT 0x0800 +#define WM8350_LDO3_FAULT 0x0400 +#define WM8350_LDO2_FAULT 0x0200 +#define WM8350_LDO1_FAULT 0x0100 +#define WM8350_DC6_FAULT 0x0020 +#define WM8350_DC5_FAULT 0x0010 +#define WM8350_DC4_FAULT 0x0008 +#define WM8350_DC3_FAULT 0x0004 +#define WM8350_DC2_FAULT 0x0002 +#define WM8350_DC1_FAULT 0x0001 + +/* + * R216 (0xD8) - Main Bandgap Control + */ +#define WM8350_MBG_LOAD_FUSES 0x8000 +#define WM8350_MBG_FUSE_WPREP 0x4000 +#define WM8350_MBG_FUSE_WRITE 0x2000 +#define WM8350_MBG_FUSE_TRIM_MASK 0x1F00 +#define WM8350_MBG_TRIM_SRC 0x0020 +#define WM8350_MBG_USER_TRIM_MASK 0x001F + +/* + * R217 (0xD9) - OSC Control + */ +#define WM8350_OSC_LOAD_FUSES 0x8000 +#define WM8350_OSC_FUSE_WPREP 0x4000 +#define WM8350_OSC_FUSE_WRITE 0x2000 +#define WM8350_OSC_FUSE_TRIM_MASK 0x0F00 +#define WM8350_OSC_TRIM_SRC 0x0020 +#define WM8350_OSC_USER_TRIM_MASK 0x000F + +/* + * R248 (0xF8) - DCDC1 Force PWM + */ +#define WM8350_DCDC1_FORCE_PWM_ENA 0x0010 + +/* + * R250 (0xFA) - DCDC3 Force PWM + */ +#define WM8350_DCDC3_FORCE_PWM_ENA 0x0010 + +/* + * R251 (0xFB) - DCDC4 Force PWM + */ +#define WM8350_DCDC4_FORCE_PWM_ENA 0x0010 + +/* + * R253 (0xFD) - DCDC1 Force PWM + */ +#define WM8350_DCDC6_FORCE_PWM_ENA 0x0010 + +/* + * DCDC's + */ +#define WM8350_DCDC_1 0 +#define WM8350_DCDC_2 1 +#define WM8350_DCDC_3 2 +#define WM8350_DCDC_4 3 +#define WM8350_DCDC_5 4 +#define WM8350_DCDC_6 5 + +/* DCDC modes */ +#define WM8350_DCDC_ACTIVE_STANDBY 0 +#define WM8350_DCDC_ACTIVE_PULSE 1 +#define WM8350_DCDC_SLEEP_NORMAL 0 +#define WM8350_DCDC_SLEEP_LOW 1 + +/* DCDC Low power (Hibernate) mode */ +#define WM8350_DCDC_HIB_MODE_CUR (0 << 12) +#define WM8350_DCDC_HIB_MODE_IMAGE (1 << 12) +#define WM8350_DCDC_HIB_MODE_STANDBY (2 << 12) +#define WM8350_DCDC_HIB_MODE_LDO (4 << 12) +#define WM8350_DCDC_HIB_MODE_LDO_IM (5 << 12) +#define WM8350_DCDC_HIB_MODE_DIS (7 << 12) +#define WM8350_DCDC_HIB_MODE_MASK (7 << 12) + +/* DCDC Low Power (Hibernate) signal */ +#define WM8350_DCDC_HIB_SIG_REG (0 << 8) +#define WM8350_DCDC_HIB_SIG_LPWR1 (1 << 8) +#define WM8350_DCDC_HIB_SIG_LPWR2 (2 << 8) +#define WM8350_DCDC_HIB_SIG_LPWR3 (3 << 8) + +/* LDO Low power (Hibernate) mode */ +#define WM8350_LDO_HIB_MODE_IMAGE (0 << 0) +#define WM8350_LDO_HIB_MODE_DIS (1 << 0) + +/* LDO Low Power (Hibernate) signal */ +#define WM8350_LDO_HIB_SIG_REG (0 << 8) +#define WM8350_LDO_HIB_SIG_LPWR1 (1 << 8) +#define WM8350_LDO_HIB_SIG_LPWR2 (2 << 8) +#define WM8350_LDO_HIB_SIG_LPWR3 (3 << 8) + +/* + * LDOs + */ +#define WM8350_LDO_1 6 +#define WM8350_LDO_2 7 +#define WM8350_LDO_3 8 +#define WM8350_LDO_4 9 + +/* + * ISINKs + */ +#define WM8350_ISINK_A 10 +#define WM8350_ISINK_B 11 + +#define WM8350_ISINK_MODE_BOOST 0 +#define WM8350_ISINK_MODE_SWITCH 1 +#define WM8350_ISINK_ILIM_NORMAL 0 +#define WM8350_ISINK_ILIM_LOW 1 + +#define WM8350_ISINK_FLASH_DISABLE 0 +#define WM8350_ISINK_FLASH_ENABLE 1 +#define WM8350_ISINK_FLASH_TRIG_BIT 0 +#define WM8350_ISINK_FLASH_TRIG_GPIO 1 +#define WM8350_ISINK_FLASH_MODE_EN (1 << 13) +#define WM8350_ISINK_FLASH_MODE_DIS (0 << 13) +#define WM8350_ISINK_FLASH_DUR_32MS (0 << 8) +#define WM8350_ISINK_FLASH_DUR_64MS (1 << 8) +#define WM8350_ISINK_FLASH_DUR_96MS (2 << 8) +#define WM8350_ISINK_FLASH_DUR_1024MS (3 << 8) +#define WM8350_ISINK_FLASH_ON_INSTANT (0 << 4) +#define WM8350_ISINK_FLASH_ON_0_25S (1 << 4) +#define WM8350_ISINK_FLASH_ON_0_50S (2 << 4) +#define WM8350_ISINK_FLASH_ON_1_00S (3 << 4) +#define WM8350_ISINK_FLASH_ON_1_95S (1 << 4) +#define WM8350_ISINK_FLASH_ON_3_91S (2 << 4) +#define WM8350_ISINK_FLASH_ON_7_80S (3 << 4) +#define WM8350_ISINK_FLASH_OFF_INSTANT (0 << 0) +#define WM8350_ISINK_FLASH_OFF_0_25S (1 << 0) +#define WM8350_ISINK_FLASH_OFF_0_50S (2 << 0) +#define WM8350_ISINK_FLASH_OFF_1_00S (3 << 0) +#define WM8350_ISINK_FLASH_OFF_1_95S (1 << 0) +#define WM8350_ISINK_FLASH_OFF_3_91S (2 << 0) +#define WM8350_ISINK_FLASH_OFF_7_80S (3 << 0) + +/* + * Regulator Interrupts. + */ +#define WM8350_IRQ_CS1 13 +#define WM8350_IRQ_CS2 14 +#define WM8350_IRQ_UV_LDO4 25 +#define WM8350_IRQ_UV_LDO3 26 +#define WM8350_IRQ_UV_LDO2 27 +#define WM8350_IRQ_UV_LDO1 28 +#define WM8350_IRQ_UV_DC6 29 +#define WM8350_IRQ_UV_DC5 30 +#define WM8350_IRQ_UV_DC4 31 +#define WM8350_IRQ_UV_DC3 32 +#define WM8350_IRQ_UV_DC2 33 +#define WM8350_IRQ_UV_DC1 34 +#define WM8350_IRQ_OC_LS 35 + +#define NUM_WM8350_REGULATORS 12 + +#endif -- GitLab From f8ea79c2ab39513e90054ed2828a85759d979bfa Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:06 +0100 Subject: [PATCH 4482/6244] mfd: Add WM8350 PMU register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/supply.h | 105 ++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 include/linux/mfd/wm8350/supply.h diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h new file mode 100644 index 000000000000..f1d4317cf022 --- /dev/null +++ b/include/linux/mfd/wm8350/supply.h @@ -0,0 +1,105 @@ +/* + * supply.h -- Power Supply Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_WM8350_SUPPLY_H_ +#define __LINUX_MFD_WM8350_SUPPLY_H_ + +/* + * Charger registers + */ +#define WM8350_BATTERY_CHARGER_CONTROL_1 0xA8 +#define WM8350_BATTERY_CHARGER_CONTROL_2 0xA9 +#define WM8350_BATTERY_CHARGER_CONTROL_3 0xAA + +/* + * R168 (0xA8) - Battery Charger Control 1 + */ +#define WM8350_CHG_ENA_R168 0x8000 +#define WM8350_CHG_THR 0x2000 +#define WM8350_CHG_EOC_SEL_MASK 0x1C00 +#define WM8350_CHG_TRICKLE_TEMP_CHOKE 0x0200 +#define WM8350_CHG_TRICKLE_USB_CHOKE 0x0100 +#define WM8350_CHG_RECOVER_T 0x0080 +#define WM8350_CHG_END_ACT 0x0040 +#define WM8350_CHG_FAST 0x0020 +#define WM8350_CHG_FAST_USB_THROTTLE 0x0010 +#define WM8350_CHG_NTC_MON 0x0008 +#define WM8350_CHG_BATT_HOT_MON 0x0004 +#define WM8350_CHG_BATT_COLD_MON 0x0002 +#define WM8350_CHG_CHIP_TEMP_MON 0x0001 + +/* + * R169 (0xA9) - Battery Charger Control 2 + */ +#define WM8350_CHG_ACTIVE 0x8000 +#define WM8350_CHG_PAUSE 0x4000 +#define WM8350_CHG_STS_MASK 0x3000 +#define WM8350_CHG_TIME_MASK 0x0F00 +#define WM8350_CHG_MASK_WALL_FB 0x0080 +#define WM8350_CHG_TRICKLE_SEL 0x0040 +#define WM8350_CHG_VSEL_MASK 0x0030 +#define WM8350_CHG_ISEL_MASK 0x000F +#define WM8350_CHG_STS_OFF 0x0000 +#define WM8350_CHG_STS_TRICKLE 0x1000 +#define WM8350_CHG_STS_FAST 0x2000 + +/* + * R170 (0xAA) - Battery Charger Control 3 + */ +#define WM8350_CHG_THROTTLE_T_MASK 0x0060 +#define WM8350_CHG_SMART 0x0010 +#define WM8350_CHG_TIMER_ADJT_MASK 0x000F + +/* + * Charger Interrupts + */ +#define WM8350_IRQ_CHG_BAT_HOT 0 +#define WM8350_IRQ_CHG_BAT_COLD 1 +#define WM8350_IRQ_CHG_BAT_FAIL 2 +#define WM8350_IRQ_CHG_TO 3 +#define WM8350_IRQ_CHG_END 4 +#define WM8350_IRQ_CHG_START 5 +#define WM8350_IRQ_CHG_FAST_RDY 6 +#define WM8350_IRQ_CHG_VBATT_LT_3P9 10 +#define WM8350_IRQ_CHG_VBATT_LT_3P1 11 +#define WM8350_IRQ_CHG_VBATT_LT_2P85 12 + +/* + * Charger Policy + */ +#define WM8350_CHG_TRICKLE_50mA (0 << 6) +#define WM8350_CHG_TRICKLE_100mA (1 << 6) +#define WM8350_CHG_4_05V (0 << 4) +#define WM8350_CHG_4_10V (1 << 4) +#define WM8350_CHG_4_15V (2 << 4) +#define WM8350_CHG_4_20V (3 << 4) +#define WM8350_CHG_FAST_LIMIT_mA(x) ((x / 50) & 0xf) +#define WM8350_CHG_EOC_mA(x) (((x - 10) & 0x7) << 10) +#define WM8350_CHG_TRICKLE_3_1V (0 << 13) +#define WM8350_CHG_TRICKLE_3_9V (1 << 13) + +/* + * Supply Registers. + */ +#define WM8350_USB_VOLTAGE_READBACK 0x9C +#define WM8350_LINE_VOLTAGE_READBACK 0x9D +#define WM8350_BATT_VOLTAGE_READBACK 0x9E + +/* + * Supply Interrupts. + */ +#define WM8350_IRQ_USB_LIMIT 15 +#define WM8350_IRQ_EXT_USB_FB 36 +#define WM8350_IRQ_EXT_WALL_FB 37 +#define WM8350_IRQ_EXT_BAT_FB 38 + +#endif -- GitLab From e7aabc346b111ae2ebcd390dcca7200a3361bb62 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:07 +0100 Subject: [PATCH 4483/6244] mfd: Add WM8350 comparator register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/comparator.h | 167 ++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 include/linux/mfd/wm8350/comparator.h diff --git a/include/linux/mfd/wm8350/comparator.h b/include/linux/mfd/wm8350/comparator.h new file mode 100644 index 000000000000..053788649452 --- /dev/null +++ b/include/linux/mfd/wm8350/comparator.h @@ -0,0 +1,167 @@ +/* + * comparator.h -- Comparator Aux ADC for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __LINUX_MFD_WM8350_COMPARATOR_H_ +#define __LINUX_MFD_WM8350_COMPARATOR_H_ + +/* + * Registers + */ + +#define WM8350_DIGITISER_CONTROL_1 0x90 +#define WM8350_DIGITISER_CONTROL_2 0x91 +#define WM8350_AUX1_READBACK 0x98 +#define WM8350_AUX2_READBACK 0x99 +#define WM8350_AUX3_READBACK 0x9A +#define WM8350_AUX4_READBACK 0x9B +#define WM8350_CHIP_TEMP_READBACK 0x9F +#define WM8350_GENERIC_COMPARATOR_CONTROL 0xA3 +#define WM8350_GENERIC_COMPARATOR_1 0xA4 +#define WM8350_GENERIC_COMPARATOR_2 0xA5 +#define WM8350_GENERIC_COMPARATOR_3 0xA6 +#define WM8350_GENERIC_COMPARATOR_4 0xA7 + +/* + * R144 (0x90) - Digitiser Control (1) + */ +#define WM8350_AUXADC_CTC 0x4000 +#define WM8350_AUXADC_POLL 0x2000 +#define WM8350_AUXADC_HIB_MODE 0x1000 +#define WM8350_AUXADC_SEL8 0x0080 +#define WM8350_AUXADC_SEL7 0x0040 +#define WM8350_AUXADC_SEL6 0x0020 +#define WM8350_AUXADC_SEL5 0x0010 +#define WM8350_AUXADC_SEL4 0x0008 +#define WM8350_AUXADC_SEL3 0x0004 +#define WM8350_AUXADC_SEL2 0x0002 +#define WM8350_AUXADC_SEL1 0x0001 + +/* + * R145 (0x91) - Digitiser Control (2) + */ +#define WM8350_AUXADC_MASKMODE_MASK 0x3000 +#define WM8350_AUXADC_CRATE_MASK 0x0700 +#define WM8350_AUXADC_CAL 0x0004 +#define WM8350_AUX_RBMODE 0x0002 +#define WM8350_AUXADC_WAIT 0x0001 + +/* + * R152 (0x98) - AUX1 Readback + */ +#define WM8350_AUXADC_SCALE1_MASK 0x6000 +#define WM8350_AUXADC_REF1 0x1000 +#define WM8350_AUXADC_DATA1_MASK 0x0FFF + +/* + * R153 (0x99) - AUX2 Readback + */ +#define WM8350_AUXADC_SCALE2_MASK 0x6000 +#define WM8350_AUXADC_REF2 0x1000 +#define WM8350_AUXADC_DATA2_MASK 0x0FFF + +/* + * R154 (0x9A) - AUX3 Readback + */ +#define WM8350_AUXADC_SCALE3_MASK 0x6000 +#define WM8350_AUXADC_REF3 0x1000 +#define WM8350_AUXADC_DATA3_MASK 0x0FFF + +/* + * R155 (0x9B) - AUX4 Readback + */ +#define WM8350_AUXADC_SCALE4_MASK 0x6000 +#define WM8350_AUXADC_REF4 0x1000 +#define WM8350_AUXADC_DATA4_MASK 0x0FFF + +/* + * R156 (0x9C) - USB Voltage Readback + */ +#define WM8350_AUXADC_DATA_USB_MASK 0x0FFF + +/* + * R157 (0x9D) - LINE Voltage Readback + */ +#define WM8350_AUXADC_DATA_LINE_MASK 0x0FFF + +/* + * R158 (0x9E) - BATT Voltage Readback + */ +#define WM8350_AUXADC_DATA_BATT_MASK 0x0FFF + +/* + * R159 (0x9F) - Chip Temp Readback + */ +#define WM8350_AUXADC_DATA_CHIPTEMP_MASK 0x0FFF + +/* + * R163 (0xA3) - Generic Comparator Control + */ +#define WM8350_DCMP4_ENA 0x0008 +#define WM8350_DCMP3_ENA 0x0004 +#define WM8350_DCMP2_ENA 0x0002 +#define WM8350_DCMP1_ENA 0x0001 + +/* + * R164 (0xA4) - Generic comparator 1 + */ +#define WM8350_DCMP1_SRCSEL_MASK 0xE000 +#define WM8350_DCMP1_GT 0x1000 +#define WM8350_DCMP1_THR_MASK 0x0FFF + +/* + * R165 (0xA5) - Generic comparator 2 + */ +#define WM8350_DCMP2_SRCSEL_MASK 0xE000 +#define WM8350_DCMP2_GT 0x1000 +#define WM8350_DCMP2_THR_MASK 0x0FFF + +/* + * R166 (0xA6) - Generic comparator 3 + */ +#define WM8350_DCMP3_SRCSEL_MASK 0xE000 +#define WM8350_DCMP3_GT 0x1000 +#define WM8350_DCMP3_THR_MASK 0x0FFF + +/* + * R167 (0xA7) - Generic comparator 4 + */ +#define WM8350_DCMP4_SRCSEL_MASK 0xE000 +#define WM8350_DCMP4_GT 0x1000 +#define WM8350_DCMP4_THR_MASK 0x0FFF + +/* + * Interrupts. + */ +#define WM8350_IRQ_AUXADC_DATARDY 16 +#define WM8350_IRQ_AUXADC_DCOMP4 17 +#define WM8350_IRQ_AUXADC_DCOMP3 18 +#define WM8350_IRQ_AUXADC_DCOMP2 19 +#define WM8350_IRQ_AUXADC_DCOMP1 20 +#define WM8350_IRQ_SYS_HYST_COMP_FAIL 21 +#define WM8350_IRQ_SYS_CHIP_GT115 22 +#define WM8350_IRQ_SYS_CHIP_GT140 23 + +/* + * USB/2, LINE & BATT = ((VRTC * 2) / 4095)) * 10e6 uV + * Where VRTC = 2.7 V + */ +#define WM8350_AUX_COEFF 1319 + +#define WM8350_AUXADC_AUX1 0 +#define WM8350_AUXADC_AUX2 1 +#define WM8350_AUXADC_AUX3 2 +#define WM8350_AUXADC_AUX4 3 +#define WM8350_AUXADC_USB 4 +#define WM8350_AUXADC_LINE 5 +#define WM8350_AUXADC_BATT 6 +#define WM8350_AUXADC_TEMP 7 + +#endif -- GitLab From 64a91ce93499dad945c4725d39b52f734d31b742 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:08 +0100 Subject: [PATCH 4484/6244] mfd: Add WM8350 RTC register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/rtc.h | 260 +++++++++++++++++++++++++++++++++ 1 file changed, 260 insertions(+) create mode 100644 include/linux/mfd/wm8350/rtc.h diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h new file mode 100644 index 000000000000..cb337ea8082f --- /dev/null +++ b/include/linux/mfd/wm8350/rtc.h @@ -0,0 +1,260 @@ +/* + * rtc.h -- RTC driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __LINUX_MFD_WM8350_RTC_H +#define __LINUX_MFD_WM8350_RTC_H + +/* + * Register values. + */ +#define WM8350_RTC_SECONDS_MINUTES 0x10 +#define WM8350_RTC_HOURS_DAY 0x11 +#define WM8350_RTC_DATE_MONTH 0x12 +#define WM8350_RTC_YEAR 0x13 +#define WM8350_ALARM_SECONDS_MINUTES 0x14 +#define WM8350_ALARM_HOURS_DAY 0x15 +#define WM8350_ALARM_DATE_MONTH 0x16 +#define WM8350_RTC_TIME_CONTROL 0x17 + +/* + * R16 (0x10) - RTC Seconds/Minutes + */ +#define WM8350_RTC_MINS_MASK 0x7F00 +#define WM8350_RTC_MINS_SHIFT 8 +#define WM8350_RTC_SECS_MASK 0x007F +#define WM8350_RTC_SECS_SHIFT 0 + +/* + * R17 (0x11) - RTC Hours/Day + */ +#define WM8350_RTC_DAY_MASK 0x0700 +#define WM8350_RTC_DAY_SHIFT 8 +#define WM8350_RTC_HPM_MASK 0x0020 +#define WM8350_RTC_HPM_SHIFT 5 +#define WM8350_RTC_HRS_MASK 0x001F +#define WM8350_RTC_HRS_SHIFT 0 + +/* Bit values for R21 (0x15) */ +#define WM8350_RTC_DAY_SUN 1 +#define WM8350_RTC_DAY_MON 2 +#define WM8350_RTC_DAY_TUE 3 +#define WM8350_RTC_DAY_WED 4 +#define WM8350_RTC_DAY_THU 5 +#define WM8350_RTC_DAY_FRI 6 +#define WM8350_RTC_DAY_SAT 7 + +#define WM8350_RTC_HPM_AM 0 +#define WM8350_RTC_HPM_PM 1 + +/* + * R18 (0x12) - RTC Date/Month + */ +#define WM8350_RTC_MTH_MASK 0x1F00 +#define WM8350_RTC_MTH_SHIFT 8 +#define WM8350_RTC_DATE_MASK 0x003F +#define WM8350_RTC_DATE_SHIFT 0 + +/* Bit values for R22 (0x16) */ +#define WM8350_RTC_MTH_JAN 1 +#define WM8350_RTC_MTH_FEB 2 +#define WM8350_RTC_MTH_MAR 3 +#define WM8350_RTC_MTH_APR 4 +#define WM8350_RTC_MTH_MAY 5 +#define WM8350_RTC_MTH_JUN 6 +#define WM8350_RTC_MTH_JUL 7 +#define WM8350_RTC_MTH_AUG 8 +#define WM8350_RTC_MTH_SEP 9 +#define WM8350_RTC_MTH_OCT 10 +#define WM8350_RTC_MTH_NOV 11 +#define WM8350_RTC_MTH_DEC 12 +#define WM8350_RTC_MTH_JAN_BCD 0x01 +#define WM8350_RTC_MTH_FEB_BCD 0x02 +#define WM8350_RTC_MTH_MAR_BCD 0x03 +#define WM8350_RTC_MTH_APR_BCD 0x04 +#define WM8350_RTC_MTH_MAY_BCD 0x05 +#define WM8350_RTC_MTH_JUN_BCD 0x06 +#define WM8350_RTC_MTH_JUL_BCD 0x07 +#define WM8350_RTC_MTH_AUG_BCD 0x08 +#define WM8350_RTC_MTH_SEP_BCD 0x09 +#define WM8350_RTC_MTH_OCT_BCD 0x10 +#define WM8350_RTC_MTH_NOV_BCD 0x11 +#define WM8350_RTC_MTH_DEC_BCD 0x12 + +/* + * R19 (0x13) - RTC Year + */ +#define WM8350_RTC_YHUNDREDS_MASK 0x3F00 +#define WM8350_RTC_YHUNDREDS_SHIFT 8 +#define WM8350_RTC_YUNITS_MASK 0x00FF +#define WM8350_RTC_YUNITS_SHIFT 0 + +/* + * R20 (0x14) - Alarm Seconds/Minutes + */ +#define WM8350_RTC_ALMMINS_MASK 0x7F00 +#define WM8350_RTC_ALMMINS_SHIFT 8 +#define WM8350_RTC_ALMSECS_MASK 0x007F +#define WM8350_RTC_ALMSECS_SHIFT 0 + +/* Bit values for R20 (0x14) */ +#define WM8350_RTC_ALMMINS_DONT_CARE -1 +#define WM8350_RTC_ALMSECS_DONT_CARE -1 + +/* + * R21 (0x15) - Alarm Hours/Day + */ +#define WM8350_RTC_ALMDAY_MASK 0x0F00 +#define WM8350_RTC_ALMDAY_SHIFT 8 +#define WM8350_RTC_ALMHPM_MASK 0x0020 +#define WM8350_RTC_ALMHPM_SHIFT 5 +#define WM8350_RTC_ALMHRS_MASK 0x001F +#define WM8350_RTC_ALMHRS_SHIFT 0 + +/* Bit values for R21 (0x15) */ +#define WM8350_RTC_ALMDAY_DONT_CARE -1 +#define WM8350_RTC_ALMDAY_SUN 1 +#define WM8350_RTC_ALMDAY_MON 2 +#define WM8350_RTC_ALMDAY_TUE 3 +#define WM8350_RTC_ALMDAY_WED 4 +#define WM8350_RTC_ALMDAY_THU 5 +#define WM8350_RTC_ALMDAY_FRI 6 +#define WM8350_RTC_ALMDAY_SAT 7 + +#define WM8350_RTC_ALMHPM_AM 0 +#define WM8350_RTC_ALMHPM_PM 1 + +#define WM8350_RTC_ALMHRS_DONT_CARE -1 + +/* + * R22 (0x16) - Alarm Date/Month + */ +#define WM8350_RTC_ALMMTH_MASK 0x1F00 +#define WM8350_RTC_ALMMTH_SHIFT 8 +#define WM8350_RTC_ALMDATE_MASK 0x003F +#define WM8350_RTC_ALMDATE_SHIFT 0 + +/* Bit values for R22 (0x16) */ +#define WM8350_RTC_ALMDATE_DONT_CARE -1 + +#define WM8350_RTC_ALMMTH_DONT_CARE -1 +#define WM8350_RTC_ALMMTH_JAN 1 +#define WM8350_RTC_ALMMTH_FEB 2 +#define WM8350_RTC_ALMMTH_MAR 3 +#define WM8350_RTC_ALMMTH_APR 4 +#define WM8350_RTC_ALMMTH_MAY 5 +#define WM8350_RTC_ALMMTH_JUN 6 +#define WM8350_RTC_ALMMTH_JUL 7 +#define WM8350_RTC_ALMMTH_AUG 8 +#define WM8350_RTC_ALMMTH_SEP 9 +#define WM8350_RTC_ALMMTH_OCT 10 +#define WM8350_RTC_ALMMTH_NOV 11 +#define WM8350_RTC_ALMMTH_DEC 12 +#define WM8350_RTC_ALMMTH_JAN_BCD 0x01 +#define WM8350_RTC_ALMMTH_FEB_BCD 0x02 +#define WM8350_RTC_ALMMTH_MAR_BCD 0x03 +#define WM8350_RTC_ALMMTH_APR_BCD 0x04 +#define WM8350_RTC_ALMMTH_MAY_BCD 0x05 +#define WM8350_RTC_ALMMTH_JUN_BCD 0x06 +#define WM8350_RTC_ALMMTH_JUL_BCD 0x07 +#define WM8350_RTC_ALMMTH_AUG_BCD 0x08 +#define WM8350_RTC_ALMMTH_SEP_BCD 0x09 +#define WM8350_RTC_ALMMTH_OCT_BCD 0x10 +#define WM8350_RTC_ALMMTH_NOV_BCD 0x11 +#define WM8350_RTC_ALMMTH_DEC_BCD 0x12 + +/* + * R23 (0x17) - RTC Time Control + */ +#define WM8350_RTC_BCD 0x8000 +#define WM8350_RTC_BCD_MASK 0x8000 +#define WM8350_RTC_BCD_SHIFT 15 +#define WM8350_RTC_12HR 0x4000 +#define WM8350_RTC_12HR_MASK 0x4000 +#define WM8350_RTC_12HR_SHIFT 14 +#define WM8350_RTC_DST 0x2000 +#define WM8350_RTC_DST_MASK 0x2000 +#define WM8350_RTC_DST_SHIFT 13 +#define WM8350_RTC_SET 0x0800 +#define WM8350_RTC_SET_MASK 0x0800 +#define WM8350_RTC_SET_SHIFT 11 +#define WM8350_RTC_STS 0x0400 +#define WM8350_RTC_STS_MASK 0x0400 +#define WM8350_RTC_STS_SHIFT 10 +#define WM8350_RTC_ALMSET 0x0200 +#define WM8350_RTC_ALMSET_MASK 0x0200 +#define WM8350_RTC_ALMSET_SHIFT 9 +#define WM8350_RTC_ALMSTS 0x0100 +#define WM8350_RTC_ALMSTS_MASK 0x0100 +#define WM8350_RTC_ALMSTS_SHIFT 8 +#define WM8350_RTC_PINT 0x0070 +#define WM8350_RTC_PINT_MASK 0x0070 +#define WM8350_RTC_PINT_SHIFT 4 +#define WM8350_RTC_DSW 0x000F +#define WM8350_RTC_DSW_MASK 0x000F +#define WM8350_RTC_DSW_SHIFT 0 + +/* Bit values for R23 (0x17) */ +#define WM8350_RTC_BCD_BINARY 0 +#define WM8350_RTC_BCD_BCD 1 + +#define WM8350_RTC_12HR_24HR 0 +#define WM8350_RTC_12HR_12HR 1 + +#define WM8350_RTC_DST_DISABLED 0 +#define WM8350_RTC_DST_ENABLED 1 + +#define WM8350_RTC_SET_RUN 0 +#define WM8350_RTC_SET_SET 1 + +#define WM8350_RTC_STS_RUNNING 0 +#define WM8350_RTC_STS_STOPPED 1 + +#define WM8350_RTC_ALMSET_RUN 0 +#define WM8350_RTC_ALMSET_SET 1 + +#define WM8350_RTC_ALMSTS_RUNNING 0 +#define WM8350_RTC_ALMSTS_STOPPED 1 + +#define WM8350_RTC_PINT_DISABLED 0 +#define WM8350_RTC_PINT_SECS 1 +#define WM8350_RTC_PINT_MINS 2 +#define WM8350_RTC_PINT_HRS 3 +#define WM8350_RTC_PINT_DAYS 4 +#define WM8350_RTC_PINT_MTHS 5 + +#define WM8350_RTC_DSW_DISABLED 0 +#define WM8350_RTC_DSW_1HZ 1 +#define WM8350_RTC_DSW_2HZ 2 +#define WM8350_RTC_DSW_4HZ 3 +#define WM8350_RTC_DSW_8HZ 4 +#define WM8350_RTC_DSW_16HZ 5 +#define WM8350_RTC_DSW_32HZ 6 +#define WM8350_RTC_DSW_64HZ 7 +#define WM8350_RTC_DSW_128HZ 8 +#define WM8350_RTC_DSW_256HZ 9 +#define WM8350_RTC_DSW_512HZ 10 +#define WM8350_RTC_DSW_1024HZ 11 + +/* + * R218 (0xDA) - RTC Tick Control + */ +#define WM8350_RTC_TICKSTS 0x4000 +#define WM8350_RTC_CLKSRC 0x2000 +#define WM8350_RTC_TRIM_MASK 0x03FF + +/* + * RTC Interrupts. + */ +#define WM8350_IRQ_RTC_PER 7 +#define WM8350_IRQ_RTC_SEC 8 +#define WM8350_IRQ_RTC_ALM 9 + +#endif -- GitLab From 213f326810b6852bc54f38fd8bb71793f70f2c7a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:09 +0100 Subject: [PATCH 4485/6244] mfd: Add WM8350 watchdog register definitions Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- include/linux/mfd/wm8350/wdt.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 include/linux/mfd/wm8350/wdt.h diff --git a/include/linux/mfd/wm8350/wdt.h b/include/linux/mfd/wm8350/wdt.h new file mode 100644 index 000000000000..72fc9f554569 --- /dev/null +++ b/include/linux/mfd/wm8350/wdt.h @@ -0,0 +1,22 @@ +/* + * wdt.h -- Watchdog Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __LINUX_MFD_WM8350_WDT_H_ +#define __LINUX_MFD_WM8350_WDT_H_ + +#define WM8350_WDOG_HIB_MODE 0x0080 +#define WM8350_WDOG_DEBUG 0x0040 +#define WM8350_WDOG_MODE_MASK 0x0030 +#define WM8350_WDOG_TO_MASK 0x0007 + +#define WM8350_IRQ_SYS_WDOG_TO 24 + +#endif -- GitLab From 89b4012befb1abca5e86d232bc0e2a797b0d9825 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:10 +0100 Subject: [PATCH 4486/6244] mfd: Core support for the WM8350 AudioPlus PMIC The WM8350 is an integrated audio and power management subsystem intended for use as the primary PMIC in mobile multimedia applications. The WM8350 can be controlled via either I2C or SPI - the control interface is provided by a separate module in order to allow greatest flexibility in configuring the kernel. This driver was originally written by Liam Girdwood and has since been updated to current kernel APIs and split up for submission by me. All the heavy lifting here was done by Liam. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/Kconfig | 19 + drivers/mfd/Makefile | 2 + drivers/mfd/wm8350-core.c | 456 +++++++++++ drivers/mfd/wm8350-regmap.c | 1347 +++++++++++++++++++++++++++++++ include/linux/mfd/wm8350/core.h | 585 ++++++++++++++ 5 files changed, 2409 insertions(+) create mode 100644 drivers/mfd/wm8350-core.c create mode 100644 drivers/mfd/wm8350-regmap.c create mode 100644 include/linux/mfd/wm8350/core.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index a3ddf6581ea6..5d7bbf45cae0 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -95,6 +95,25 @@ config MFD_WM8400 the device, additional drivers must be enabled in order to use the functionality of the device. +config MFD_WM8350 + tristate + +config MFD_WM8350_CONFIG_MODE_0 + bool + depends on MFD_WM8350 + +config MFD_WM8350_CONFIG_MODE_1 + bool + depends on MFD_WM8350 + +config MFD_WM8350_CONFIG_MODE_2 + bool + depends on MFD_WM8350 + +config MFD_WM8350_CONFIG_MODE_3 + bool + depends on MFD_WM8350 + endmenu menu "Multimedia Capabilities Port drivers" diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 1624c7d87a49..bec1e92d37ba 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -13,6 +13,8 @@ obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o obj-$(CONFIG_MFD_WM8400) += wm8400-core.o +wm8350-objs := wm8350-core.o wm8350-regmap.o +obj-$(CONFIG_MFD_WM8350) += wm8350.o obj-$(CONFIG_MFD_CORE) += mfd-core.o diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c new file mode 100644 index 000000000000..c7552c0b7797 --- /dev/null +++ b/drivers/mfd/wm8350-core.c @@ -0,0 +1,456 @@ +/* + * wm8350-core.c -- Device access for Wolfson WM8350 + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood, Mark Brown + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define WM8350_UNLOCK_KEY 0x0013 +#define WM8350_LOCK_KEY 0x0000 + +#define WM8350_CLOCK_CONTROL_1 0x28 +#define WM8350_AIF_TEST 0x74 + +/* debug */ +#define WM8350_BUS_DEBUG 0 +#if WM8350_BUS_DEBUG +#define dump(regs, src) do { \ + int i_; \ + u16 *src_ = src; \ + printk(KERN_DEBUG); \ + for (i_ = 0; i_ < regs; i_++) \ + printk(" 0x%4.4x", *src_++); \ + printk("\n"); \ +} while (0); +#else +#define dump(bytes, src) +#endif + +#define WM8350_LOCK_DEBUG 0 +#if WM8350_LOCK_DEBUG +#define ldbg(format, arg...) printk(format, ## arg) +#else +#define ldbg(format, arg...) +#endif + +/* + * WM8350 Device IO + */ +static DEFINE_MUTEX(io_mutex); +static DEFINE_MUTEX(reg_lock_mutex); +static DEFINE_MUTEX(auxadc_mutex); + +/* Perform a physical read from the device. + */ +static int wm8350_phys_read(struct wm8350 *wm8350, u8 reg, int num_regs, + u16 *dest) +{ + int i, ret; + int bytes = num_regs * 2; + + dev_dbg(wm8350->dev, "volatile read\n"); + ret = wm8350->read_dev(wm8350, reg, bytes, (char *)dest); + + for (i = reg; i < reg + num_regs; i++) { + /* Cache is CPU endian */ + dest[i - reg] = be16_to_cpu(dest[i - reg]); + + /* Satisfy non-volatile bits from cache */ + dest[i - reg] &= wm8350_reg_io_map[i].vol; + dest[i - reg] |= wm8350->reg_cache[i]; + + /* Mask out non-readable bits */ + dest[i - reg] &= wm8350_reg_io_map[i].readable; + } + + dump(num_regs, dest); + + return ret; +} + +static int wm8350_read(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *dest) +{ + int i; + int end = reg + num_regs; + int ret = 0; + int bytes = num_regs * 2; + + if (wm8350->read_dev == NULL) + return -ENODEV; + + if ((reg + num_regs - 1) > WM8350_MAX_REGISTER) { + dev_err(wm8350->dev, "invalid reg %x\n", + reg + num_regs - 1); + return -EINVAL; + } + + dev_dbg(wm8350->dev, + "%s R%d(0x%2.2x) %d regs\n", __func__, reg, reg, num_regs); + +#if WM8350_BUS_DEBUG + /* we can _safely_ read any register, but warn if read not supported */ + for (i = reg; i < end; i++) { + if (!wm8350_reg_io_map[i].readable) + dev_warn(wm8350->dev, + "reg R%d is not readable\n", i); + } +#endif + + /* if any volatile registers are required, then read back all */ + for (i = reg; i < end; i++) + if (wm8350_reg_io_map[i].vol) + return wm8350_phys_read(wm8350, reg, num_regs, dest); + + /* no volatiles, then cache is good */ + dev_dbg(wm8350->dev, "cache read\n"); + memcpy(dest, &wm8350->reg_cache[reg], bytes); + dump(num_regs, dest); + return ret; +} + +static inline int is_reg_locked(struct wm8350 *wm8350, u8 reg) +{ + if (reg == WM8350_SECURITY || + wm8350->reg_cache[WM8350_SECURITY] == WM8350_UNLOCK_KEY) + return 0; + + if ((reg == WM8350_GPIO_CONFIGURATION_I_O) || + (reg >= WM8350_GPIO_FUNCTION_SELECT_1 && + reg <= WM8350_GPIO_FUNCTION_SELECT_4) || + (reg >= WM8350_BATTERY_CHARGER_CONTROL_1 && + reg <= WM8350_BATTERY_CHARGER_CONTROL_3)) + return 1; + return 0; +} + +static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src) +{ + int i; + int end = reg + num_regs; + int bytes = num_regs * 2; + + if (wm8350->write_dev == NULL) + return -ENODEV; + + if ((reg + num_regs - 1) > WM8350_MAX_REGISTER) { + dev_err(wm8350->dev, "invalid reg %x\n", + reg + num_regs - 1); + return -EINVAL; + } + + /* it's generally not a good idea to write to RO or locked registers */ + for (i = reg; i < end; i++) { + if (!wm8350_reg_io_map[i].writable) { + dev_err(wm8350->dev, + "attempted write to read only reg R%d\n", i); + return -EINVAL; + } + + if (is_reg_locked(wm8350, i)) { + dev_err(wm8350->dev, + "attempted write to locked reg R%d\n", i); + return -EINVAL; + } + + src[i - reg] &= wm8350_reg_io_map[i].writable; + + wm8350->reg_cache[i] = + (wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable) + | src[i - reg]; + + src[i - reg] = cpu_to_be16(src[i - reg]); + } + + /* Actually write it out */ + return wm8350->write_dev(wm8350, reg, bytes, (char *)src); +} + +/* + * Safe read, modify, write methods + */ +int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask) +{ + u16 data; + int err; + + mutex_lock(&io_mutex); + err = wm8350_read(wm8350, reg, 1, &data); + if (err) { + dev_err(wm8350->dev, "read from reg R%d failed\n", reg); + goto out; + } + + data &= ~mask; + err = wm8350_write(wm8350, reg, 1, &data); + if (err) + dev_err(wm8350->dev, "write to reg R%d failed\n", reg); +out: + mutex_unlock(&io_mutex); + return err; +} +EXPORT_SYMBOL_GPL(wm8350_clear_bits); + +int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask) +{ + u16 data; + int err; + + mutex_lock(&io_mutex); + err = wm8350_read(wm8350, reg, 1, &data); + if (err) { + dev_err(wm8350->dev, "read from reg R%d failed\n", reg); + goto out; + } + + data |= mask; + err = wm8350_write(wm8350, reg, 1, &data); + if (err) + dev_err(wm8350->dev, "write to reg R%d failed\n", reg); +out: + mutex_unlock(&io_mutex); + return err; +} +EXPORT_SYMBOL_GPL(wm8350_set_bits); + +u16 wm8350_reg_read(struct wm8350 *wm8350, int reg) +{ + u16 data; + int err; + + mutex_lock(&io_mutex); + err = wm8350_read(wm8350, reg, 1, &data); + if (err) + dev_err(wm8350->dev, "read from reg R%d failed\n", reg); + + mutex_unlock(&io_mutex); + return data; +} +EXPORT_SYMBOL_GPL(wm8350_reg_read); + +int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val) +{ + int ret; + u16 data = val; + + mutex_lock(&io_mutex); + ret = wm8350_write(wm8350, reg, 1, &data); + if (ret) + dev_err(wm8350->dev, "write to reg R%d failed\n", reg); + mutex_unlock(&io_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_reg_write); + +int wm8350_block_read(struct wm8350 *wm8350, int start_reg, int regs, + u16 *dest) +{ + int err = 0; + + mutex_lock(&io_mutex); + err = wm8350_read(wm8350, start_reg, regs, dest); + if (err) + dev_err(wm8350->dev, "block read starting from R%d failed\n", + start_reg); + mutex_unlock(&io_mutex); + return err; +} +EXPORT_SYMBOL_GPL(wm8350_block_read); + +int wm8350_block_write(struct wm8350 *wm8350, int start_reg, int regs, + u16 *src) +{ + int ret = 0; + + mutex_lock(&io_mutex); + ret = wm8350_write(wm8350, start_reg, regs, src); + if (ret) + dev_err(wm8350->dev, "block write starting at R%d failed\n", + start_reg); + mutex_unlock(&io_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_block_write); + +int wm8350_reg_lock(struct wm8350 *wm8350) +{ + u16 key = WM8350_LOCK_KEY; + int ret; + + ldbg(__func__); + mutex_lock(&io_mutex); + ret = wm8350_write(wm8350, WM8350_SECURITY, 1, &key); + if (ret) + dev_err(wm8350->dev, "lock failed\n"); + mutex_unlock(&io_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_reg_lock); + +int wm8350_reg_unlock(struct wm8350 *wm8350) +{ + u16 key = WM8350_UNLOCK_KEY; + int ret; + + ldbg(__func__); + mutex_lock(&io_mutex); + ret = wm8350_write(wm8350, WM8350_SECURITY, 1, &key); + if (ret) + dev_err(wm8350->dev, "unlock failed\n"); + mutex_unlock(&io_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_reg_unlock); + +/* + * Cache is always host endian. + */ +static int wm8350_create_cache(struct wm8350 *wm8350, int mode) +{ + int i, ret = 0; + u16 value; + const u16 *reg_map; + + switch (mode) { +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0 + case 0: + reg_map = wm8350_mode0_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_1 + case 1: + reg_map = wm8350_mode1_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_2 + case 2: + reg_map = wm8350_mode2_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_3 + case 3: + reg_map = wm8350_mode3_defaults; + break; +#endif + default: + dev_err(wm8350->dev, "Configuration mode %d not supported\n", + mode); + return -EINVAL; + } + + wm8350->reg_cache = + kzalloc(sizeof(u16) * (WM8350_MAX_REGISTER + 1), GFP_KERNEL); + if (wm8350->reg_cache == NULL) + return -ENOMEM; + + /* Read the initial cache state back from the device - this is + * a PMIC so the device many not be in a virgin state and we + * can't rely on the silicon values. + */ + for (i = 0; i < WM8350_MAX_REGISTER; i++) { + /* audio register range */ + if (wm8350_reg_io_map[i].readable && + (i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) { + ret = wm8350->read_dev(wm8350, i, 2, (char *)&value); + if (ret < 0) { + dev_err(wm8350->dev, + "failed to read initial cache value\n"); + goto out; + } + value = be16_to_cpu(value); + value &= wm8350_reg_io_map[i].readable; + wm8350->reg_cache[i] = value; + } else + wm8350->reg_cache[i] = reg_map[i]; + } + +out: + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_create_cache); + +int wm8350_device_init(struct wm8350 *wm8350) +{ + int ret = -EINVAL; + u16 id1, id2, mask, mode; + + /* get WM8350 revision and config mode */ + wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1); + wm8350->read_dev(wm8350, WM8350_ID, sizeof(id2), &id2); + + id1 = be16_to_cpu(id1); + id2 = be16_to_cpu(id2); + + if (id1 == 0x0) + dev_info(wm8350->dev, "Found Rev C device\n"); + else if (id1 == 0x6143) { + switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) { + case WM8350_REV_E: + dev_info(wm8350->dev, "Found Rev E device\n"); + wm8350->rev = WM8350_REV_E; + break; + case WM8350_REV_F: + dev_info(wm8350->dev, "Found Rev F device\n"); + wm8350->rev = WM8350_REV_F; + break; + case WM8350_REV_G: + dev_info(wm8350->dev, "Found Rev G device\n"); + wm8350->rev = WM8350_REV_G; + break; + default: + /* For safety we refuse to run on unknown hardware */ + dev_info(wm8350->dev, "Found unknown rev\n"); + ret = -ENODEV; + goto err; + } + } else { + dev_info(wm8350->dev, "Device with ID %x is not a WM8350\n", + id1); + ret = -ENODEV; + goto err; + } + + mode = id2 & WM8350_CONF_STS_MASK >> 10; + mask = id2 & WM8350_CUST_ID_MASK; + dev_info(wm8350->dev, "Config mode %d, ROM mask %d\n", mode, mask); + + ret = wm8350_create_cache(wm8350, mode); + if (ret < 0) { + printk(KERN_ERR "wm8350: failed to create register cache\n"); + return ret; + } + + return 0; + +err: + kfree(wm8350->reg_cache); + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_device_init); + +void wm8350_device_exit(struct wm8350 *wm8350) +{ + kfree(wm8350->reg_cache); +} +EXPORT_SYMBOL_GPL(wm8350_device_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c new file mode 100644 index 000000000000..974678db22cd --- /dev/null +++ b/drivers/mfd/wm8350-regmap.c @@ -0,0 +1,1347 @@ +/* + * wm8350-regmap.c -- Wolfson Microelectronics WM8350 register map + * + * This file splits out the tables describing the defaults and access + * status of the WM8350 registers since they are rather large. + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include + +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8350_mode0_defaults[] = { + 0x17FF, /* R0 - Reset/ID */ + 0x1000, /* R1 - ID */ + 0x0000, /* R2 */ + 0x1002, /* R3 - System Control 1 */ + 0x0004, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 - Power Up Interrupt Status */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 - Power Up Interrupt Status Mask */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3B00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - LOUT1 Volume */ + 0x00E4, /* R105 - ROUT1 Volume */ + 0x00E4, /* R106 - LOUT2 Volume */ + 0x02E4, /* R107 - ROUT2 Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 - AIF Test */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x03FC, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0FFC, /* R134 - GPIO Configuration (i/o) */ + 0x0FFC, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0013, /* R140 - GPIO Function Select 1 */ + 0x0000, /* R141 - GPIO Function Select 2 */ + 0x0000, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x002D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0000, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0000, /* R186 - DCDC3 Control */ + 0x0000, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0000, /* R189 - DCDC4 Control */ + 0x0000, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0000, /* R195 - DCDC6 Control */ + 0x0000, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x001B, /* R203 - LDO2 Control */ + 0x0000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001B, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001B, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 */ + 0x4000, /* R220 - RAM BIST 1 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 */ + 0x0000, /* R227 */ + 0x0000, /* R228 */ + 0x0000, /* R229 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 */ + 0x0000, /* R232 */ + 0x0000, /* R233 */ + 0x0000, /* R234 */ + 0x0000, /* R235 */ + 0x0000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0000, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0000, /* R243 */ + 0x0000, /* R244 */ + 0x0000, /* R245 */ + 0x0000, /* R246 */ + 0x0000, /* R247 */ + 0x0000, /* R248 */ + 0x0000, /* R249 */ + 0x0000, /* R250 */ + 0x0000, /* R251 */ + 0x0000, /* R252 */ + 0x0000, /* R253 */ + 0x0000, /* R254 */ + 0x0000, /* R255 */ +}; +#endif + +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_1 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8350_mode1_defaults[] = { + 0x17FF, /* R0 - Reset/ID */ + 0x1000, /* R1 - ID */ + 0x0000, /* R2 */ + 0x1002, /* R3 - System Control 1 */ + 0x0014, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 - Power Up Interrupt Status */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 - Power Up Interrupt Status Mask */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3B00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - LOUT1 Volume */ + 0x00E4, /* R105 - ROUT1 Volume */ + 0x00E4, /* R106 - LOUT2 Volume */ + 0x02E4, /* R107 - ROUT2 Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 - AIF Test */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x03FC, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x00FB, /* R134 - GPIO Configuration (i/o) */ + 0x04FE, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0312, /* R140 - GPIO Function Select 1 */ + 0x1003, /* R141 - GPIO Function Select 2 */ + 0x1331, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x002D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x0062, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0026, /* R186 - DCDC3 Control */ + 0x0400, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0062, /* R189 - DCDC4 Control */ + 0x0400, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0026, /* R195 - DCDC6 Control */ + 0x0800, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x0006, /* R200 - LDO1 Control */ + 0x0400, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0006, /* R203 - LDO2 Control */ + 0x0400, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001B, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001B, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 */ + 0x4000, /* R220 - RAM BIST 1 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 */ + 0x0000, /* R227 */ + 0x0000, /* R228 */ + 0x0000, /* R229 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 */ + 0x0000, /* R232 */ + 0x0000, /* R233 */ + 0x0000, /* R234 */ + 0x0000, /* R235 */ + 0x0000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0000, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0000, /* R243 */ + 0x0000, /* R244 */ + 0x0000, /* R245 */ + 0x0000, /* R246 */ + 0x0000, /* R247 */ + 0x0000, /* R248 */ + 0x0000, /* R249 */ + 0x0000, /* R250 */ + 0x0000, /* R251 */ + 0x0000, /* R252 */ + 0x0000, /* R253 */ + 0x0000, /* R254 */ + 0x0000, /* R255 */ +}; +#endif + +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_2 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8350_mode2_defaults[] = { + 0x17FF, /* R0 - Reset/ID */ + 0x1000, /* R1 - ID */ + 0x0000, /* R2 */ + 0x1002, /* R3 - System Control 1 */ + 0x0014, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 - Power Up Interrupt Status */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 - Power Up Interrupt Status Mask */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3B00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - LOUT1 Volume */ + 0x00E4, /* R105 - ROUT1 Volume */ + 0x00E4, /* R106 - LOUT2 Volume */ + 0x02E4, /* R107 - ROUT2 Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 - AIF Test */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x03FC, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x08FB, /* R134 - GPIO Configuration (i/o) */ + 0x0CFE, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0312, /* R140 - GPIO Function Select 1 */ + 0x0003, /* R141 - GPIO Function Select 2 */ + 0x2331, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x002D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x002E, /* R186 - DCDC3 Control */ + 0x0800, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x000E, /* R189 - DCDC4 Control */ + 0x0800, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0026, /* R195 - DCDC6 Control */ + 0x0C00, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001A, /* R200 - LDO1 Control */ + 0x0800, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0010, /* R203 - LDO2 Control */ + 0x0800, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x000A, /* R206 - LDO3 Control */ + 0x0C00, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001A, /* R209 - LDO4 Control */ + 0x0800, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 */ + 0x4000, /* R220 - RAM BIST 1 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 */ + 0x0000, /* R227 */ + 0x0000, /* R228 */ + 0x0000, /* R229 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 */ + 0x0000, /* R232 */ + 0x0000, /* R233 */ + 0x0000, /* R234 */ + 0x0000, /* R235 */ + 0x0000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0000, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0000, /* R243 */ + 0x0000, /* R244 */ + 0x0000, /* R245 */ + 0x0000, /* R246 */ + 0x0000, /* R247 */ + 0x0000, /* R248 */ + 0x0000, /* R249 */ + 0x0000, /* R250 */ + 0x0000, /* R251 */ + 0x0000, /* R252 */ + 0x0000, /* R253 */ + 0x0000, /* R254 */ + 0x0000, /* R255 */ +}; +#endif + +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_3 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8350_mode3_defaults[] = { + 0x17FF, /* R0 - Reset/ID */ + 0x1000, /* R1 - ID */ + 0x0000, /* R2 */ + 0x1000, /* R3 - System Control 1 */ + 0x0004, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 - Power Up Interrupt Status */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 - Power Up Interrupt Status Mask */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3B00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - LOUT1 Volume */ + 0x00E4, /* R105 - ROUT1 Volume */ + 0x00E4, /* R106 - LOUT2 Volume */ + 0x02E4, /* R107 - ROUT2 Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 - AIF Test */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x03FC, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0A7B, /* R134 - GPIO Configuration (i/o) */ + 0x06FE, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x1312, /* R140 - GPIO Function Select 1 */ + 0x1030, /* R141 - GPIO Function Select 2 */ + 0x2231, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x002D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x000E, /* R186 - DCDC3 Control */ + 0x0400, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0026, /* R189 - DCDC4 Control */ + 0x0400, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0026, /* R195 - DCDC6 Control */ + 0x0400, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x001C, /* R203 - LDO2 Control */ + 0x0400, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001C, /* R206 - LDO3 Control */ + 0x0400, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001F, /* R209 - LDO4 Control */ + 0x0400, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 */ + 0x4000, /* R220 - RAM BIST 1 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 */ + 0x0000, /* R227 */ + 0x0000, /* R228 */ + 0x0000, /* R229 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 */ + 0x0000, /* R232 */ + 0x0000, /* R233 */ + 0x0000, /* R234 */ + 0x0000, /* R235 */ + 0x0000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0000, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0000, /* R243 */ + 0x0000, /* R244 */ + 0x0000, /* R245 */ + 0x0000, /* R246 */ + 0x0000, /* R247 */ + 0x0000, /* R248 */ + 0x0000, /* R249 */ + 0x0000, /* R250 */ + 0x0000, /* R251 */ + 0x0000, /* R252 */ + 0x0000, /* R253 */ + 0x0000, /* R254 */ + 0x0000, /* R255 */ +}; +#endif + +/* The register defaults for the config mode used must be compiled in but + * due to the impact on kernel size it is possible to disable + */ +#ifndef WM8350_HAVE_CONFIG_MODE +#warning No WM8350 config modes supported - select at least one of the +#warning MFD_WM8350_CONFIG_MODE_n options from the board driver. +#endif + +/* + * Access masks. + */ + +const struct wm8350_reg_access wm8350_reg_io_map[] = { + /* read write volatile */ + { 0xFFFF, 0xFFFF, 0xFFFF }, /* R0 - Reset/ID */ + { 0x7CFF, 0x0C00, 0x7FFF }, /* R1 - ID */ + { 0x0000, 0x0000, 0x0000 }, /* R2 */ + { 0xBE3B, 0xBE3B, 0x8000 }, /* R3 - System Control 1 */ + { 0xFCF7, 0xFCF7, 0xF800 }, /* R4 - System Control 2 */ + { 0x80FF, 0x80FF, 0x8000 }, /* R5 - System Hibernate */ + { 0xFB0E, 0xFB0E, 0x0000 }, /* R6 - Interface Control */ + { 0x0000, 0x0000, 0x0000 }, /* R7 */ + { 0xE537, 0xE537, 0xFFFF }, /* R8 - Power mgmt (1) */ + { 0x0FF3, 0x0FF3, 0xFFFF }, /* R9 - Power mgmt (2) */ + { 0x008F, 0x008F, 0xFFFF }, /* R10 - Power mgmt (3) */ + { 0x6D3C, 0x6D3C, 0xFFFF }, /* R11 - Power mgmt (4) */ + { 0x1F8F, 0x1F8F, 0xFFFF }, /* R12 - Power mgmt (5) */ + { 0x8F3F, 0x8F3F, 0xFFFF }, /* R13 - Power mgmt (6) */ + { 0x0003, 0x0003, 0xFFFF }, /* R14 - Power mgmt (7) */ + { 0x0000, 0x0000, 0x0000 }, /* R15 */ + { 0x7F7F, 0x7F7F, 0xFFFF }, /* R16 - RTC Seconds/Minutes */ + { 0x073F, 0x073F, 0xFFFF }, /* R17 - RTC Hours/Day */ + { 0x1F3F, 0x1F3F, 0xFFFF }, /* R18 - RTC Date/Month */ + { 0x3FFF, 0x00FF, 0xFFFF }, /* R19 - RTC Year */ + { 0x7F7F, 0x7F7F, 0x0000 }, /* R20 - Alarm Seconds/Minutes */ + { 0x0F3F, 0x0F3F, 0x0000 }, /* R21 - Alarm Hours/Day */ + { 0x1F3F, 0x1F3F, 0x0000 }, /* R22 - Alarm Date/Month */ + { 0xEF7F, 0xEA7F, 0xFFFF }, /* R23 - RTC Time Control */ + { 0x3BFF, 0x0000, 0xFFFF }, /* R24 - System Interrupts */ + { 0xFEE7, 0x0000, 0xFFFF }, /* R25 - Interrupt Status 1 */ + { 0x35FF, 0x0000, 0xFFFF }, /* R26 - Interrupt Status 2 */ + { 0x0F3F, 0x0000, 0xFFFF }, /* R27 - Power Up Interrupt Status */ + { 0x0F3F, 0x0000, 0xFFFF }, /* R28 - Under Voltage Interrupt status */ + { 0x8000, 0x0000, 0xFFFF }, /* R29 - Over Current Interrupt status */ + { 0x1FFF, 0x0000, 0xFFFF }, /* R30 - GPIO Interrupt Status */ + { 0xEF7F, 0x0000, 0xFFFF }, /* R31 - Comparator Interrupt Status */ + { 0x3FFF, 0x3FFF, 0x0000 }, /* R32 - System Interrupts Mask */ + { 0xFEE7, 0xFEE7, 0x0000 }, /* R33 - Interrupt Status 1 Mask */ + { 0xF5FF, 0xF5FF, 0x0000 }, /* R34 - Interrupt Status 2 Mask */ + { 0x0F3F, 0x0F3F, 0x0000 }, /* R35 - Power Up Interrupt Status Mask */ + { 0x0F3F, 0x0F3F, 0x0000 }, /* R36 - Under Voltage Int status Mask */ + { 0x8000, 0x8000, 0x0000 }, /* R37 - Over Current Int status Mask */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R38 - GPIO Interrupt Status Mask */ + { 0xEF7F, 0xEF7F, 0x0000 }, /* R39 - Comparator IntStatus Mask */ + { 0xC9F7, 0xC9F7, 0xFFFF }, /* R40 - Clock Control 1 */ + { 0x8001, 0x8001, 0x0000 }, /* R41 - Clock Control 2 */ + { 0xFFF7, 0xFFF7, 0xFFFF }, /* R42 - FLL Control 1 */ + { 0xFBFF, 0xFBFF, 0x0000 }, /* R43 - FLL Control 2 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R44 - FLL Control 3 */ + { 0x0033, 0x0033, 0x0000 }, /* R45 - FLL Control 4 */ + { 0x0000, 0x0000, 0x0000 }, /* R46 */ + { 0x0000, 0x0000, 0x0000 }, /* R47 */ + { 0x3033, 0x3033, 0x0000 }, /* R48 - DAC Control */ + { 0x0000, 0x0000, 0x0000 }, /* R49 */ + { 0x81FF, 0x81FF, 0xFFFF }, /* R50 - DAC Digital Volume L */ + { 0x81FF, 0x81FF, 0xFFFF }, /* R51 - DAC Digital Volume R */ + { 0x0000, 0x0000, 0x0000 }, /* R52 */ + { 0x0FFF, 0x0FFF, 0xFFFF }, /* R53 - DAC LR Rate */ + { 0x0017, 0x0017, 0x0000 }, /* R54 - DAC Clock Control */ + { 0x0000, 0x0000, 0x0000 }, /* R55 */ + { 0x0000, 0x0000, 0x0000 }, /* R56 */ + { 0x0000, 0x0000, 0x0000 }, /* R57 */ + { 0x4000, 0x4000, 0x0000 }, /* R58 - DAC Mute */ + { 0x7000, 0x7000, 0x0000 }, /* R59 - DAC Mute Volume */ + { 0x3C00, 0x3C00, 0x0000 }, /* R60 - DAC Side */ + { 0x0000, 0x0000, 0x0000 }, /* R61 */ + { 0x0000, 0x0000, 0x0000 }, /* R62 */ + { 0x0000, 0x0000, 0x0000 }, /* R63 */ + { 0x8303, 0x8303, 0xFFFF }, /* R64 - ADC Control */ + { 0x0000, 0x0000, 0x0000 }, /* R65 */ + { 0x81FF, 0x81FF, 0xFFFF }, /* R66 - ADC Digital Volume L */ + { 0x81FF, 0x81FF, 0xFFFF }, /* R67 - ADC Digital Volume R */ + { 0x0FFF, 0x0FFF, 0x0000 }, /* R68 - ADC Divider */ + { 0x0000, 0x0000, 0x0000 }, /* R69 */ + { 0x0FFF, 0x0FFF, 0xFFFF }, /* R70 - ADC LR Rate */ + { 0x0000, 0x0000, 0x0000 }, /* R71 */ + { 0x0707, 0x0707, 0xFFFF }, /* R72 - Input Control */ + { 0xC0C0, 0xC0C0, 0xFFFF }, /* R73 - IN3 Input Control */ + { 0xC09F, 0xC09F, 0xFFFF }, /* R74 - Mic Bias Control */ + { 0x0000, 0x0000, 0x0000 }, /* R75 */ + { 0x0F15, 0x0F15, 0xFFFF }, /* R76 - Output Control */ + { 0xC000, 0xC000, 0xFFFF }, /* R77 - Jack Detect */ + { 0x03FF, 0x03FF, 0x0000 }, /* R78 - Anti Pop Control */ + { 0x0000, 0x0000, 0x0000 }, /* R79 */ + { 0xE1FC, 0xE1FC, 0x8000 }, /* R80 - Left Input Volume */ + { 0xE1FC, 0xE1FC, 0x8000 }, /* R81 - Right Input Volume */ + { 0x0000, 0x0000, 0x0000 }, /* R82 */ + { 0x0000, 0x0000, 0x0000 }, /* R83 */ + { 0x0000, 0x0000, 0x0000 }, /* R84 */ + { 0x0000, 0x0000, 0x0000 }, /* R85 */ + { 0x0000, 0x0000, 0x0000 }, /* R86 */ + { 0x0000, 0x0000, 0x0000 }, /* R87 */ + { 0x9807, 0x9807, 0xFFFF }, /* R88 - Left Mixer Control */ + { 0x980B, 0x980B, 0xFFFF }, /* R89 - Right Mixer Control */ + { 0x0000, 0x0000, 0x0000 }, /* R90 */ + { 0x0000, 0x0000, 0x0000 }, /* R91 */ + { 0x8909, 0x8909, 0xFFFF }, /* R92 - OUT3 Mixer Control */ + { 0x9E07, 0x9E07, 0xFFFF }, /* R93 - OUT4 Mixer Control */ + { 0x0000, 0x0000, 0x0000 }, /* R94 */ + { 0x0000, 0x0000, 0x0000 }, /* R95 */ + { 0x0EEE, 0x0EEE, 0x0000 }, /* R96 - Output Left Mixer Volume */ + { 0xE0EE, 0xE0EE, 0x0000 }, /* R97 - Output Right Mixer Volume */ + { 0x0E0F, 0x0E0F, 0x0000 }, /* R98 - Input Mixer Volume L */ + { 0xE0E1, 0xE0E1, 0x0000 }, /* R99 - Input Mixer Volume R */ + { 0x800E, 0x800E, 0x0000 }, /* R100 - Input Mixer Volume */ + { 0x0000, 0x0000, 0x0000 }, /* R101 */ + { 0x0000, 0x0000, 0x0000 }, /* R102 */ + { 0x0000, 0x0000, 0x0000 }, /* R103 */ + { 0xE1FC, 0xE1FC, 0xFFFF }, /* R104 - LOUT1 Volume */ + { 0xE1FC, 0xE1FC, 0xFFFF }, /* R105 - ROUT1 Volume */ + { 0xE1FC, 0xE1FC, 0xFFFF }, /* R106 - LOUT2 Volume */ + { 0xE7FC, 0xE7FC, 0xFFFF }, /* R107 - ROUT2 Volume */ + { 0x0000, 0x0000, 0x0000 }, /* R108 */ + { 0x0000, 0x0000, 0x0000 }, /* R109 */ + { 0x0000, 0x0000, 0x0000 }, /* R110 */ + { 0x80E0, 0x80E0, 0xFFFF }, /* R111 - BEEP Volume */ + { 0xBF00, 0xBF00, 0x0000 }, /* R112 - AI Formating */ + { 0x00F1, 0x00F1, 0x0000 }, /* R113 - ADC DAC COMP */ + { 0x00F8, 0x00F8, 0x0000 }, /* R114 - AI ADC Control */ + { 0x40FB, 0x40FB, 0x0000 }, /* R115 - AI DAC Control */ + { 0x7C30, 0x7C30, 0x0000 }, /* R116 - AIF Test */ + { 0x0000, 0x0000, 0x0000 }, /* R117 */ + { 0x0000, 0x0000, 0x0000 }, /* R118 */ + { 0x0000, 0x0000, 0x0000 }, /* R119 */ + { 0x0000, 0x0000, 0x0000 }, /* R120 */ + { 0x0000, 0x0000, 0x0000 }, /* R121 */ + { 0x0000, 0x0000, 0x0000 }, /* R122 */ + { 0x0000, 0x0000, 0x0000 }, /* R123 */ + { 0x0000, 0x0000, 0x0000 }, /* R124 */ + { 0x0000, 0x0000, 0x0000 }, /* R125 */ + { 0x0000, 0x0000, 0x0000 }, /* R126 */ + { 0x0000, 0x0000, 0x0000 }, /* R127 */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R128 - GPIO Debounce */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R129 - GPIO Pin pull up Control */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R130 - GPIO Pull down Control */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R131 - GPIO Interrupt Mode */ + { 0x0000, 0x0000, 0x0000 }, /* R132 */ + { 0x00C0, 0x00C0, 0x0000 }, /* R133 - GPIO Control */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R134 - GPIO Configuration (i/o) */ + { 0x1FFF, 0x1FFF, 0x0000 }, /* R135 - GPIO Pin Polarity / Type */ + { 0x0000, 0x0000, 0x0000 }, /* R136 */ + { 0x0000, 0x0000, 0x0000 }, /* R137 */ + { 0x0000, 0x0000, 0x0000 }, /* R138 */ + { 0x0000, 0x0000, 0x0000 }, /* R139 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R140 - GPIO Function Select 1 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R141 - GPIO Function Select 2 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R142 - GPIO Function Select 3 */ + { 0x000F, 0x000F, 0x0000 }, /* R143 - GPIO Function Select 4 */ + { 0xF0FF, 0xF0FF, 0xA000 }, /* R144 - Digitiser Control (1) */ + { 0x3707, 0x3707, 0x0000 }, /* R145 - Digitiser Control (2) */ + { 0x0000, 0x0000, 0x0000 }, /* R146 */ + { 0x0000, 0x0000, 0x0000 }, /* R147 */ + { 0x0000, 0x0000, 0x0000 }, /* R148 */ + { 0x0000, 0x0000, 0x0000 }, /* R149 */ + { 0x0000, 0x0000, 0x0000 }, /* R150 */ + { 0x0000, 0x0000, 0x0000 }, /* R151 */ + { 0x7FFF, 0x7000, 0xFFFF }, /* R152 - AUX1 Readback */ + { 0x7FFF, 0x7000, 0xFFFF }, /* R153 - AUX2 Readback */ + { 0x7FFF, 0x7000, 0xFFFF }, /* R154 - AUX3 Readback */ + { 0x7FFF, 0x7000, 0xFFFF }, /* R155 - AUX4 Readback */ + { 0x0FFF, 0x0000, 0xFFFF }, /* R156 - USB Voltage Readback */ + { 0x0FFF, 0x0000, 0xFFFF }, /* R157 - LINE Voltage Readback */ + { 0x0FFF, 0x0000, 0xFFFF }, /* R158 - BATT Voltage Readback */ + { 0x0FFF, 0x0000, 0xFFFF }, /* R159 - Chip Temp Readback */ + { 0x0000, 0x0000, 0x0000 }, /* R160 */ + { 0x0000, 0x0000, 0x0000 }, /* R161 */ + { 0x0000, 0x0000, 0x0000 }, /* R162 */ + { 0x000F, 0x000F, 0x0000 }, /* R163 - Generic Comparator Control */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R164 - Generic comparator 1 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R165 - Generic comparator 2 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R166 - Generic comparator 3 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R167 - Generic comparator 4 */ + { 0xBFFF, 0xBFFF, 0x8000 }, /* R168 - Battery Charger Control 1 */ + { 0xFFFF, 0x4FFF, 0xB000 }, /* R169 - Battery Charger Control 2 */ + { 0x007F, 0x007F, 0x0000 }, /* R170 - Battery Charger Control 3 */ + { 0x0000, 0x0000, 0x0000 }, /* R171 */ + { 0x903F, 0x903F, 0xFFFF }, /* R172 - Current Sink Driver A */ + { 0xE333, 0xE333, 0xFFFF }, /* R173 - CSA Flash control */ + { 0x903F, 0x903F, 0xFFFF }, /* R174 - Current Sink Driver B */ + { 0xE333, 0xE333, 0xFFFF }, /* R175 - CSB Flash control */ + { 0x8F3F, 0x8F3F, 0xFFFF }, /* R176 - DCDC/LDO requested */ + { 0x332D, 0x332D, 0x0000 }, /* R177 - DCDC Active options */ + { 0x002D, 0x002D, 0x0000 }, /* R178 - DCDC Sleep options */ + { 0x5177, 0x5177, 0x8000 }, /* R179 - Power-check comparator */ + { 0x047F, 0x047F, 0x0000 }, /* R180 - DCDC1 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R181 - DCDC1 Timeouts */ + { 0x737F, 0x737F, 0x0000 }, /* R182 - DCDC1 Low Power */ + { 0x535B, 0x535B, 0x0000 }, /* R183 - DCDC2 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R184 - DCDC2 Timeouts */ + { 0x0000, 0x0000, 0x0000 }, /* R185 */ + { 0x047F, 0x047F, 0x0000 }, /* R186 - DCDC3 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R187 - DCDC3 Timeouts */ + { 0x737F, 0x737F, 0x0000 }, /* R188 - DCDC3 Low Power */ + { 0x047F, 0x047F, 0x0000 }, /* R189 - DCDC4 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R190 - DCDC4 Timeouts */ + { 0x737F, 0x737F, 0x0000 }, /* R191 - DCDC4 Low Power */ + { 0x535B, 0x535B, 0x0000 }, /* R192 - DCDC5 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R193 - DCDC5 Timeouts */ + { 0x0000, 0x0000, 0x0000 }, /* R194 */ + { 0x047F, 0x047F, 0x0000 }, /* R195 - DCDC6 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R196 - DCDC6 Timeouts */ + { 0x737F, 0x737F, 0x0000 }, /* R197 - DCDC6 Low Power */ + { 0x0000, 0x0000, 0x0000 }, /* R198 */ + { 0xFFD3, 0xFFD3, 0x0000 }, /* R199 - Limit Switch Control */ + { 0x441F, 0x441F, 0x0000 }, /* R200 - LDO1 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R201 - LDO1 Timeouts */ + { 0x331F, 0x331F, 0x0000 }, /* R202 - LDO1 Low Power */ + { 0x441F, 0x441F, 0x0000 }, /* R203 - LDO2 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R204 - LDO2 Timeouts */ + { 0x331F, 0x331F, 0x0000 }, /* R205 - LDO2 Low Power */ + { 0x441F, 0x441F, 0x0000 }, /* R206 - LDO3 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R207 - LDO3 Timeouts */ + { 0x331F, 0x331F, 0x0000 }, /* R208 - LDO3 Low Power */ + { 0x441F, 0x441F, 0x0000 }, /* R209 - LDO4 Control */ + { 0xFFC0, 0xFFC0, 0x0000 }, /* R210 - LDO4 Timeouts */ + { 0x331F, 0x331F, 0x0000 }, /* R211 - LDO4 Low Power */ + { 0x0000, 0x0000, 0x0000 }, /* R212 */ + { 0x0000, 0x0000, 0x0000 }, /* R213 */ + { 0x0000, 0x0000, 0x0000 }, /* R214 */ + { 0x8F3F, 0x8F3F, 0x0000 }, /* R215 - VCC_FAULT Masks */ + { 0xFF3F, 0xE03F, 0x0000 }, /* R216 - Main Bandgap Control */ + { 0xEF2F, 0xE02F, 0x0000 }, /* R217 - OSC Control */ + { 0xF3FF, 0xB3FF, 0xc000 }, /* R218 - RTC Tick Control */ + { 0xFFFF, 0xFFFF, 0xFFFF }, /* R219 */ + { 0x09FF, 0x01FF, 0x0000 }, /* R220 - RAM BIST 1 */ + { 0x0000, 0x0000, 0x0000 }, /* R221 */ + { 0xFFFF, 0xFFFF, 0xFFFF }, /* R222 */ + { 0xFFFF, 0xFFFF, 0xFFFF }, /* R223 */ + { 0x0000, 0x0000, 0x0000 }, /* R224 */ + { 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */ + { 0x0000, 0x0000, 0x0000 }, /* R226 */ + { 0x0000, 0x0000, 0xFFFF }, /* R227 */ + { 0x0000, 0x0000, 0x0000 }, /* R228 */ + { 0x0000, 0x0000, 0x0000 }, /* R229 */ + { 0xFFFF, 0x1FFF, 0xFFFF }, /* R230 - GPIO Pin Status */ + { 0xFFFF, 0x1FFF, 0xFFFF }, /* R231 */ + { 0xFFFF, 0x1FFF, 0xFFFF }, /* R232 */ + { 0xFFFF, 0x1FFF, 0xFFFF }, /* R233 */ + { 0x0000, 0x0000, 0x0000 }, /* R234 */ + { 0x0000, 0x0000, 0x0000 }, /* R235 */ + { 0x0000, 0x0000, 0x0000 }, /* R236 */ + { 0x0000, 0x0000, 0x0000 }, /* R237 */ + { 0x0000, 0x0000, 0x0000 }, /* R238 */ + { 0x0000, 0x0000, 0x0000 }, /* R239 */ + { 0x0000, 0x0000, 0x0000 }, /* R240 */ + { 0x0000, 0x0000, 0x0000 }, /* R241 */ + { 0x0000, 0x0000, 0x0000 }, /* R242 */ + { 0x0000, 0x0000, 0x0000 }, /* R243 */ + { 0x0000, 0x0000, 0x0000 }, /* R244 */ + { 0x0000, 0x0000, 0x0000 }, /* R245 */ + { 0x0000, 0x0000, 0x0000 }, /* R246 */ + { 0x0000, 0x0000, 0x0000 }, /* R247 */ + { 0xFFFF, 0x0010, 0xFFFF }, /* R248 */ + { 0x0000, 0x0000, 0x0000 }, /* R249 */ + { 0xFFFF, 0x0010, 0xFFFF }, /* R250 */ + { 0xFFFF, 0x0010, 0xFFFF }, /* R251 */ + { 0x0000, 0x0000, 0x0000 }, /* R252 */ + { 0xFFFF, 0x0010, 0xFFFF }, /* R253 */ + { 0x0000, 0x0000, 0x0000 }, /* R254 */ + { 0x0000, 0x0000, 0x0000 }, /* R255 */ +}; diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h new file mode 100644 index 000000000000..94778c1669dc --- /dev/null +++ b/include/linux/mfd/wm8350/core.h @@ -0,0 +1,585 @@ +/* + * core.h -- Core Driver for Wolfson WM8350 PMIC + * + * Copyright 2007 Wolfson Microelectronics PLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#ifndef __LINUX_MFD_WM8350_CORE_H_ +#define __LINUX_MFD_WM8350_CORE_H_ + +#include +#include +#include + +/* + * Register values. + */ +#define WM8350_RESET_ID 0x00 +#define WM8350_ID 0x01 +#define WM8350_SYSTEM_CONTROL_1 0x03 +#define WM8350_SYSTEM_CONTROL_2 0x04 +#define WM8350_SYSTEM_HIBERNATE 0x05 +#define WM8350_INTERFACE_CONTROL 0x06 +#define WM8350_POWER_MGMT_1 0x08 +#define WM8350_POWER_MGMT_2 0x09 +#define WM8350_POWER_MGMT_3 0x0A +#define WM8350_POWER_MGMT_4 0x0B +#define WM8350_POWER_MGMT_5 0x0C +#define WM8350_POWER_MGMT_6 0x0D +#define WM8350_POWER_MGMT_7 0x0E + +#define WM8350_SYSTEM_INTERRUPTS 0x18 +#define WM8350_INT_STATUS_1 0x19 +#define WM8350_INT_STATUS_2 0x1A +#define WM8350_POWER_UP_INT_STATUS 0x1B +#define WM8350_UNDER_VOLTAGE_INT_STATUS 0x1C +#define WM8350_OVER_CURRENT_INT_STATUS 0x1D +#define WM8350_GPIO_INT_STATUS 0x1E +#define WM8350_COMPARATOR_INT_STATUS 0x1F +#define WM8350_SYSTEM_INTERRUPTS_MASK 0x20 +#define WM8350_INT_STATUS_1_MASK 0x21 +#define WM8350_INT_STATUS_2_MASK 0x22 +#define WM8350_POWER_UP_INT_STATUS_MASK 0x23 +#define WM8350_UNDER_VOLTAGE_INT_STATUS_MASK 0x24 +#define WM8350_OVER_CURRENT_INT_STATUS_MASK 0x25 +#define WM8350_GPIO_INT_STATUS_MASK 0x26 +#define WM8350_COMPARATOR_INT_STATUS_MASK 0x27 + +#define WM8350_MAX_REGISTER 0xFF + +/* + * Field Definitions. + */ + +/* + * R0 (0x00) - Reset/ID + */ +#define WM8350_SW_RESET_CHIP_ID_MASK 0xFFFF + +/* + * R1 (0x01) - ID + */ +#define WM8350_CHIP_REV_MASK 0x7000 +#define WM8350_CONF_STS_MASK 0x0C00 +#define WM8350_CUST_ID_MASK 0x00FF + +/* + * R3 (0x03) - System Control 1 + */ +#define WM8350_CHIP_ON 0x8000 +#define WM8350_POWERCYCLE 0x2000 +#define WM8350_VCC_FAULT_OV 0x1000 +#define WM8350_REG_RSTB_TIME_MASK 0x0C00 +#define WM8350_BG_SLEEP 0x0200 +#define WM8350_MEM_VALID 0x0020 +#define WM8350_CHIP_SET_UP 0x0010 +#define WM8350_ON_DEB_T 0x0008 +#define WM8350_ON_POL 0x0002 +#define WM8350_IRQ_POL 0x0001 + +/* + * R4 (0x04) - System Control 2 + */ +#define WM8350_USB_SUSPEND_8MA 0x8000 +#define WM8350_USB_SUSPEND 0x4000 +#define WM8350_USB_MSTR 0x2000 +#define WM8350_USB_MSTR_SRC 0x1000 +#define WM8350_USB_500MA 0x0800 +#define WM8350_USB_NOLIM 0x0400 + +/* + * R5 (0x05) - System Hibernate + */ +#define WM8350_HIBERNATE 0x8000 +#define WM8350_WDOG_HIB_MODE 0x0080 +#define WM8350_REG_HIB_STARTUP_SEQ 0x0040 +#define WM8350_REG_RESET_HIB_MODE 0x0020 +#define WM8350_RST_HIB_MODE 0x0010 +#define WM8350_IRQ_HIB_MODE 0x0008 +#define WM8350_MEMRST_HIB_MODE 0x0004 +#define WM8350_PCCOMP_HIB_MODE 0x0002 +#define WM8350_TEMPMON_HIB_MODE 0x0001 + +/* + * R6 (0x06) - Interface Control + */ +#define WM8350_USE_DEV_PINS 0x8000 +#define WM8350_USE_DEV_PINS_MASK 0x8000 +#define WM8350_USE_DEV_PINS_SHIFT 15 +#define WM8350_DEV_ADDR_MASK 0x6000 +#define WM8350_DEV_ADDR_SHIFT 13 +#define WM8350_CONFIG_DONE 0x1000 +#define WM8350_CONFIG_DONE_MASK 0x1000 +#define WM8350_CONFIG_DONE_SHIFT 12 +#define WM8350_RECONFIG_AT_ON 0x0800 +#define WM8350_RECONFIG_AT_ON_MASK 0x0800 +#define WM8350_RECONFIG_AT_ON_SHIFT 11 +#define WM8350_AUTOINC 0x0200 +#define WM8350_AUTOINC_MASK 0x0200 +#define WM8350_AUTOINC_SHIFT 9 +#define WM8350_ARA 0x0100 +#define WM8350_ARA_MASK 0x0100 +#define WM8350_ARA_SHIFT 8 +#define WM8350_SPI_CFG 0x0008 +#define WM8350_SPI_CFG_MASK 0x0008 +#define WM8350_SPI_CFG_SHIFT 3 +#define WM8350_SPI_4WIRE 0x0004 +#define WM8350_SPI_4WIRE_MASK 0x0004 +#define WM8350_SPI_4WIRE_SHIFT 2 +#define WM8350_SPI_3WIRE 0x0002 +#define WM8350_SPI_3WIRE_MASK 0x0002 +#define WM8350_SPI_3WIRE_SHIFT 1 + +/* Bit values for R06 (0x06) */ +#define WM8350_USE_DEV_PINS_PRIMARY 0 +#define WM8350_USE_DEV_PINS_DEV 1 + +#define WM8350_DEV_ADDR_34 0 +#define WM8350_DEV_ADDR_36 1 +#define WM8350_DEV_ADDR_3C 2 +#define WM8350_DEV_ADDR_3E 3 + +#define WM8350_CONFIG_DONE_OFF 0 +#define WM8350_CONFIG_DONE_DONE 1 + +#define WM8350_RECONFIG_AT_ON_OFF 0 +#define WM8350_RECONFIG_AT_ON_ON 1 + +#define WM8350_AUTOINC_OFF 0 +#define WM8350_AUTOINC_ON 1 + +#define WM8350_ARA_OFF 0 +#define WM8350_ARA_ON 1 + +#define WM8350_SPI_CFG_CMOS 0 +#define WM8350_SPI_CFG_OD 1 + +#define WM8350_SPI_4WIRE_3WIRE 0 +#define WM8350_SPI_4WIRE_4WIRE 1 + +#define WM8350_SPI_3WIRE_I2C 0 +#define WM8350_SPI_3WIRE_SPI 1 + +/* + * R8 (0x08) - Power mgmt (1) + */ +#define WM8350_CODEC_ISEL_MASK 0xC000 +#define WM8350_VBUFEN 0x2000 +#define WM8350_OUTPUT_DRAIN_EN 0x0400 +#define WM8350_MIC_DET_ENA 0x0100 +#define WM8350_BIASEN 0x0020 +#define WM8350_MICBEN 0x0010 +#define WM8350_VMIDEN 0x0004 +#define WM8350_VMID_MASK 0x0003 +#define WM8350_VMID_SHIFT 0 + +/* + * R9 (0x09) - Power mgmt (2) + */ +#define WM8350_IN3R_ENA 0x0800 +#define WM8350_IN3L_ENA 0x0400 +#define WM8350_INR_ENA 0x0200 +#define WM8350_INL_ENA 0x0100 +#define WM8350_MIXINR_ENA 0x0080 +#define WM8350_MIXINL_ENA 0x0040 +#define WM8350_OUT4_ENA 0x0020 +#define WM8350_OUT3_ENA 0x0010 +#define WM8350_MIXOUTR_ENA 0x0002 +#define WM8350_MIXOUTL_ENA 0x0001 + +/* + * R10 (0x0A) - Power mgmt (3) + */ +#define WM8350_IN3R_TO_OUT2R 0x0080 +#define WM8350_OUT2R_ENA 0x0008 +#define WM8350_OUT2L_ENA 0x0004 +#define WM8350_OUT1R_ENA 0x0002 +#define WM8350_OUT1L_ENA 0x0001 + +/* + * R11 (0x0B) - Power mgmt (4) + */ +#define WM8350_SYSCLK_ENA 0x4000 +#define WM8350_ADC_HPF_ENA 0x2000 +#define WM8350_FLL_ENA 0x0800 +#define WM8350_FLL_OSC_ENA 0x0400 +#define WM8350_TOCLK_ENA 0x0100 +#define WM8350_DACR_ENA 0x0020 +#define WM8350_DACL_ENA 0x0010 +#define WM8350_ADCR_ENA 0x0008 +#define WM8350_ADCL_ENA 0x0004 + +/* + * R12 (0x0C) - Power mgmt (5) + */ +#define WM8350_CODEC_ENA 0x1000 +#define WM8350_RTC_TICK_ENA 0x0800 +#define WM8350_OSC32K_ENA 0x0400 +#define WM8350_CHG_ENA 0x0200 +#define WM8350_ACC_DET_ENA 0x0100 +#define WM8350_AUXADC_ENA 0x0080 +#define WM8350_DCMP4_ENA 0x0008 +#define WM8350_DCMP3_ENA 0x0004 +#define WM8350_DCMP2_ENA 0x0002 +#define WM8350_DCMP1_ENA 0x0001 + +/* + * R13 (0x0D) - Power mgmt (6) + */ +#define WM8350_LS_ENA 0x8000 +#define WM8350_LDO4_ENA 0x0800 +#define WM8350_LDO3_ENA 0x0400 +#define WM8350_LDO2_ENA 0x0200 +#define WM8350_LDO1_ENA 0x0100 +#define WM8350_DC6_ENA 0x0020 +#define WM8350_DC5_ENA 0x0010 +#define WM8350_DC4_ENA 0x0008 +#define WM8350_DC3_ENA 0x0004 +#define WM8350_DC2_ENA 0x0002 +#define WM8350_DC1_ENA 0x0001 + +/* + * R14 (0x0E) - Power mgmt (7) + */ +#define WM8350_CS2_ENA 0x0002 +#define WM8350_CS1_ENA 0x0001 + +/* + * R24 (0x18) - System Interrupts + */ +#define WM8350_OC_INT 0x2000 +#define WM8350_UV_INT 0x1000 +#define WM8350_PUTO_INT 0x0800 +#define WM8350_CS_INT 0x0200 +#define WM8350_EXT_INT 0x0100 +#define WM8350_CODEC_INT 0x0080 +#define WM8350_GP_INT 0x0040 +#define WM8350_AUXADC_INT 0x0020 +#define WM8350_RTC_INT 0x0010 +#define WM8350_SYS_INT 0x0008 +#define WM8350_CHG_INT 0x0004 +#define WM8350_USB_INT 0x0002 +#define WM8350_WKUP_INT 0x0001 + +/* + * R25 (0x19) - Interrupt Status 1 + */ +#define WM8350_CHG_BAT_HOT_EINT 0x8000 +#define WM8350_CHG_BAT_COLD_EINT 0x4000 +#define WM8350_CHG_BAT_FAIL_EINT 0x2000 +#define WM8350_CHG_TO_EINT 0x1000 +#define WM8350_CHG_END_EINT 0x0800 +#define WM8350_CHG_START_EINT 0x0400 +#define WM8350_CHG_FAST_RDY_EINT 0x0200 +#define WM8350_RTC_PER_EINT 0x0080 +#define WM8350_RTC_SEC_EINT 0x0040 +#define WM8350_RTC_ALM_EINT 0x0020 +#define WM8350_CHG_VBATT_LT_3P9_EINT 0x0004 +#define WM8350_CHG_VBATT_LT_3P1_EINT 0x0002 +#define WM8350_CHG_VBATT_LT_2P85_EINT 0x0001 + +/* + * R26 (0x1A) - Interrupt Status 2 + */ +#define WM8350_CS1_EINT 0x2000 +#define WM8350_CS2_EINT 0x1000 +#define WM8350_USB_LIMIT_EINT 0x0400 +#define WM8350_AUXADC_DATARDY_EINT 0x0100 +#define WM8350_AUXADC_DCOMP4_EINT 0x0080 +#define WM8350_AUXADC_DCOMP3_EINT 0x0040 +#define WM8350_AUXADC_DCOMP2_EINT 0x0020 +#define WM8350_AUXADC_DCOMP1_EINT 0x0010 +#define WM8350_SYS_HYST_COMP_FAIL_EINT 0x0008 +#define WM8350_SYS_CHIP_GT115_EINT 0x0004 +#define WM8350_SYS_CHIP_GT140_EINT 0x0002 +#define WM8350_SYS_WDOG_TO_EINT 0x0001 + +/* + * R27 (0x1B) - Power Up Interrupt Status + */ +#define WM8350_PUTO_LDO4_EINT 0x0800 +#define WM8350_PUTO_LDO3_EINT 0x0400 +#define WM8350_PUTO_LDO2_EINT 0x0200 +#define WM8350_PUTO_LDO1_EINT 0x0100 +#define WM8350_PUTO_DC6_EINT 0x0020 +#define WM8350_PUTO_DC5_EINT 0x0010 +#define WM8350_PUTO_DC4_EINT 0x0008 +#define WM8350_PUTO_DC3_EINT 0x0004 +#define WM8350_PUTO_DC2_EINT 0x0002 +#define WM8350_PUTO_DC1_EINT 0x0001 + +/* + * R28 (0x1C) - Under Voltage Interrupt status + */ +#define WM8350_UV_LDO4_EINT 0x0800 +#define WM8350_UV_LDO3_EINT 0x0400 +#define WM8350_UV_LDO2_EINT 0x0200 +#define WM8350_UV_LDO1_EINT 0x0100 +#define WM8350_UV_DC6_EINT 0x0020 +#define WM8350_UV_DC5_EINT 0x0010 +#define WM8350_UV_DC4_EINT 0x0008 +#define WM8350_UV_DC3_EINT 0x0004 +#define WM8350_UV_DC2_EINT 0x0002 +#define WM8350_UV_DC1_EINT 0x0001 + +/* + * R29 (0x1D) - Over Current Interrupt status + */ +#define WM8350_OC_LS_EINT 0x8000 + +/* + * R30 (0x1E) - GPIO Interrupt Status + */ +#define WM8350_GP12_EINT 0x1000 +#define WM8350_GP11_EINT 0x0800 +#define WM8350_GP10_EINT 0x0400 +#define WM8350_GP9_EINT 0x0200 +#define WM8350_GP8_EINT 0x0100 +#define WM8350_GP7_EINT 0x0080 +#define WM8350_GP6_EINT 0x0040 +#define WM8350_GP5_EINT 0x0020 +#define WM8350_GP4_EINT 0x0010 +#define WM8350_GP3_EINT 0x0008 +#define WM8350_GP2_EINT 0x0004 +#define WM8350_GP1_EINT 0x0002 +#define WM8350_GP0_EINT 0x0001 + +/* + * R31 (0x1F) - Comparator Interrupt Status + */ +#define WM8350_EXT_USB_FB_EINT 0x8000 +#define WM8350_EXT_WALL_FB_EINT 0x4000 +#define WM8350_EXT_BAT_FB_EINT 0x2000 +#define WM8350_CODEC_JCK_DET_L_EINT 0x0800 +#define WM8350_CODEC_JCK_DET_R_EINT 0x0400 +#define WM8350_CODEC_MICSCD_EINT 0x0200 +#define WM8350_CODEC_MICD_EINT 0x0100 +#define WM8350_WKUP_OFF_STATE_EINT 0x0040 +#define WM8350_WKUP_HIB_STATE_EINT 0x0020 +#define WM8350_WKUP_CONV_FAULT_EINT 0x0010 +#define WM8350_WKUP_WDOG_RST_EINT 0x0008 +#define WM8350_WKUP_GP_PWR_ON_EINT 0x0004 +#define WM8350_WKUP_ONKEY_EINT 0x0002 +#define WM8350_WKUP_GP_WAKEUP_EINT 0x0001 + +/* + * R32 (0x20) - System Interrupts Mask + */ +#define WM8350_IM_OC_INT 0x2000 +#define WM8350_IM_UV_INT 0x1000 +#define WM8350_IM_PUTO_INT 0x0800 +#define WM8350_IM_SPARE_INT 0x0400 +#define WM8350_IM_CS_INT 0x0200 +#define WM8350_IM_EXT_INT 0x0100 +#define WM8350_IM_CODEC_INT 0x0080 +#define WM8350_IM_GP_INT 0x0040 +#define WM8350_IM_AUXADC_INT 0x0020 +#define WM8350_IM_RTC_INT 0x0010 +#define WM8350_IM_SYS_INT 0x0008 +#define WM8350_IM_CHG_INT 0x0004 +#define WM8350_IM_USB_INT 0x0002 +#define WM8350_IM_WKUP_INT 0x0001 + +/* + * R33 (0x21) - Interrupt Status 1 Mask + */ +#define WM8350_IM_CHG_BAT_HOT_EINT 0x8000 +#define WM8350_IM_CHG_BAT_COLD_EINT 0x4000 +#define WM8350_IM_CHG_BAT_FAIL_EINT 0x2000 +#define WM8350_IM_CHG_TO_EINT 0x1000 +#define WM8350_IM_CHG_END_EINT 0x0800 +#define WM8350_IM_CHG_START_EINT 0x0400 +#define WM8350_IM_CHG_FAST_RDY_EINT 0x0200 +#define WM8350_IM_RTC_PER_EINT 0x0080 +#define WM8350_IM_RTC_SEC_EINT 0x0040 +#define WM8350_IM_RTC_ALM_EINT 0x0020 +#define WM8350_IM_CHG_VBATT_LT_3P9_EINT 0x0004 +#define WM8350_IM_CHG_VBATT_LT_3P1_EINT 0x0002 +#define WM8350_IM_CHG_VBATT_LT_2P85_EINT 0x0001 + +/* + * R34 (0x22) - Interrupt Status 2 Mask + */ +#define WM8350_IM_SPARE2_EINT 0x8000 +#define WM8350_IM_SPARE1_EINT 0x4000 +#define WM8350_IM_CS1_EINT 0x2000 +#define WM8350_IM_CS2_EINT 0x1000 +#define WM8350_IM_USB_LIMIT_EINT 0x0400 +#define WM8350_IM_AUXADC_DATARDY_EINT 0x0100 +#define WM8350_IM_AUXADC_DCOMP4_EINT 0x0080 +#define WM8350_IM_AUXADC_DCOMP3_EINT 0x0040 +#define WM8350_IM_AUXADC_DCOMP2_EINT 0x0020 +#define WM8350_IM_AUXADC_DCOMP1_EINT 0x0010 +#define WM8350_IM_SYS_HYST_COMP_FAIL_EINT 0x0008 +#define WM8350_IM_SYS_CHIP_GT115_EINT 0x0004 +#define WM8350_IM_SYS_CHIP_GT140_EINT 0x0002 +#define WM8350_IM_SYS_WDOG_TO_EINT 0x0001 + +/* + * R35 (0x23) - Power Up Interrupt Status Mask + */ +#define WM8350_IM_PUTO_LDO4_EINT 0x0800 +#define WM8350_IM_PUTO_LDO3_EINT 0x0400 +#define WM8350_IM_PUTO_LDO2_EINT 0x0200 +#define WM8350_IM_PUTO_LDO1_EINT 0x0100 +#define WM8350_IM_PUTO_DC6_EINT 0x0020 +#define WM8350_IM_PUTO_DC5_EINT 0x0010 +#define WM8350_IM_PUTO_DC4_EINT 0x0008 +#define WM8350_IM_PUTO_DC3_EINT 0x0004 +#define WM8350_IM_PUTO_DC2_EINT 0x0002 +#define WM8350_IM_PUTO_DC1_EINT 0x0001 + +/* + * R36 (0x24) - Under Voltage Interrupt status Mask + */ +#define WM8350_IM_UV_LDO4_EINT 0x0800 +#define WM8350_IM_UV_LDO3_EINT 0x0400 +#define WM8350_IM_UV_LDO2_EINT 0x0200 +#define WM8350_IM_UV_LDO1_EINT 0x0100 +#define WM8350_IM_UV_DC6_EINT 0x0020 +#define WM8350_IM_UV_DC5_EINT 0x0010 +#define WM8350_IM_UV_DC4_EINT 0x0008 +#define WM8350_IM_UV_DC3_EINT 0x0004 +#define WM8350_IM_UV_DC2_EINT 0x0002 +#define WM8350_IM_UV_DC1_EINT 0x0001 + +/* + * R37 (0x25) - Over Current Interrupt status Mask + */ +#define WM8350_IM_OC_LS_EINT 0x8000 + +/* + * R38 (0x26) - GPIO Interrupt Status Mask + */ +#define WM8350_IM_GP12_EINT 0x1000 +#define WM8350_IM_GP11_EINT 0x0800 +#define WM8350_IM_GP10_EINT 0x0400 +#define WM8350_IM_GP9_EINT 0x0200 +#define WM8350_IM_GP8_EINT 0x0100 +#define WM8350_IM_GP7_EINT 0x0080 +#define WM8350_IM_GP6_EINT 0x0040 +#define WM8350_IM_GP5_EINT 0x0020 +#define WM8350_IM_GP4_EINT 0x0010 +#define WM8350_IM_GP3_EINT 0x0008 +#define WM8350_IM_GP2_EINT 0x0004 +#define WM8350_IM_GP1_EINT 0x0002 +#define WM8350_IM_GP0_EINT 0x0001 + +/* + * R39 (0x27) - Comparator Interrupt Status Mask + */ +#define WM8350_IM_EXT_USB_FB_EINT 0x8000 +#define WM8350_IM_EXT_WALL_FB_EINT 0x4000 +#define WM8350_IM_EXT_BAT_FB_EINT 0x2000 +#define WM8350_IM_CODEC_JCK_DET_L_EINT 0x0800 +#define WM8350_IM_CODEC_JCK_DET_R_EINT 0x0400 +#define WM8350_IM_CODEC_MICSCD_EINT 0x0200 +#define WM8350_IM_CODEC_MICD_EINT 0x0100 +#define WM8350_IM_WKUP_OFF_STATE_EINT 0x0040 +#define WM8350_IM_WKUP_HIB_STATE_EINT 0x0020 +#define WM8350_IM_WKUP_CONV_FAULT_EINT 0x0010 +#define WM8350_IM_WKUP_WDOG_RST_EINT 0x0008 +#define WM8350_IM_WKUP_GP_PWR_ON_EINT 0x0004 +#define WM8350_IM_WKUP_ONKEY_EINT 0x0002 +#define WM8350_IM_WKUP_GP_WAKEUP_EINT 0x0001 + +/* + * R220 (0xDC) - RAM BIST 1 + */ +#define WM8350_READ_STATUS 0x0800 +#define WM8350_TSTRAM_CLK 0x0100 +#define WM8350_TSTRAM_CLK_ENA 0x0080 +#define WM8350_STARTSEQ 0x0040 +#define WM8350_READ_SRC 0x0020 +#define WM8350_COUNT_DIR 0x0010 +#define WM8350_TSTRAM_MODE_MASK 0x000E +#define WM8350_TSTRAM_ENA 0x0001 + +/* + * R225 (0xE1) - DCDC/LDO status + */ +#define WM8350_LS_STS 0x8000 +#define WM8350_LDO4_STS 0x0800 +#define WM8350_LDO3_STS 0x0400 +#define WM8350_LDO2_STS 0x0200 +#define WM8350_LDO1_STS 0x0100 +#define WM8350_DC6_STS 0x0020 +#define WM8350_DC5_STS 0x0010 +#define WM8350_DC4_STS 0x0008 +#define WM8350_DC3_STS 0x0004 +#define WM8350_DC2_STS 0x0002 +#define WM8350_DC1_STS 0x0001 + +/* WM8350 wake up conditions */ +#define WM8350_IRQ_WKUP_OFF_STATE 43 +#define WM8350_IRQ_WKUP_HIB_STATE 44 +#define WM8350_IRQ_WKUP_CONV_FAULT 45 +#define WM8350_IRQ_WKUP_WDOG_RST 46 +#define WM8350_IRQ_WKUP_GP_PWR_ON 47 +#define WM8350_IRQ_WKUP_ONKEY 48 +#define WM8350_IRQ_WKUP_GP_WAKEUP 49 + +/* wm8350 chip revisions */ +#define WM8350_REV_E 0x4 +#define WM8350_REV_F 0x5 +#define WM8350_REV_G 0x6 + +struct wm8350_reg_access { + u16 readable; /* Mask of readable bits */ + u16 writable; /* Mask of writable bits */ + u16 vol; /* Mask of volatile bits */ +}; +extern const struct wm8350_reg_access wm8350_reg_io_map[]; +extern const u16 wm8350_mode0_defaults[]; +extern const u16 wm8350_mode1_defaults[]; +extern const u16 wm8350_mode2_defaults[]; +extern const u16 wm8350_mode3_defaults[]; + +struct wm8350; + +struct wm8350_irq { + void (*handler) (struct wm8350 *, int, void *); + void *data; +}; + +struct wm8350 { + int rev; /* chip revision */ + + struct device *dev; + + /* device IO */ + union { + struct i2c_client *i2c_client; + struct spi_device *spi_device; + }; + int (*read_dev)(struct wm8350 *wm8350, char reg, int size, void *dest); + int (*write_dev)(struct wm8350 *wm8350, char reg, int size, + void *src); + u16 *reg_cache; +}; + +/* + * WM8350 device initialisation and exit. + */ +int wm8350_device_init(struct wm8350 *wm8350); +void wm8350_device_exit(struct wm8350 *wm8350); + +/* + * WM8350 device IO + */ +int wm8350_clear_bits(struct wm8350 *wm8350, u16 reg, u16 mask); +int wm8350_set_bits(struct wm8350 *wm8350, u16 reg, u16 mask); +u16 wm8350_reg_read(struct wm8350 *wm8350, int reg); +int wm8350_reg_write(struct wm8350 *wm8350, int reg, u16 val); +int wm8350_reg_lock(struct wm8350 *wm8350); +int wm8350_reg_unlock(struct wm8350 *wm8350); +int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, u16 *dest); +int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src); + +#endif -- GitLab From c661a0b92d487ac20cc9cddbb8f4d40e4dcdbec1 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:11 +0100 Subject: [PATCH 4487/6244] mfd: Add I2C control support for WM8350 Implement the I2C control interface for the WM8350. This code was originally written by Liam Girdwood and has been updated for submission by Mark Brown. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/Kconfig | 11 ++++ drivers/mfd/Makefile | 1 + drivers/mfd/wm8350-i2c.c | 120 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 132 insertions(+) create mode 100644 drivers/mfd/wm8350-i2c.c diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 5d7bbf45cae0..5eff8ad834d6 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -114,6 +114,17 @@ config MFD_WM8350_CONFIG_MODE_3 bool depends on MFD_WM8350 +config MFD_WM8350_I2C + tristate "Support Wolfson Microelectronics WM8350 with I2C" + select MFD_WM8350 + depends on I2C + help + The WM8350 is an integrated audio and power management + subsystem with watchdog and RTC functionality for embedded + systems. This option enables core support for the WM8350 with + I2C as the control interface. Additional options must be + selected to enable support for the functionality of the chip. + endmenu menu "Multimedia Capabilities Port drivers" diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index bec1e92d37ba..45038aed2d31 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o obj-$(CONFIG_MFD_WM8400) += wm8400-core.o wm8350-objs := wm8350-core.o wm8350-regmap.o obj-$(CONFIG_MFD_WM8350) += wm8350.o +obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o obj-$(CONFIG_MFD_CORE) += mfd-core.o diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c new file mode 100644 index 000000000000..2b0569cf9512 --- /dev/null +++ b/drivers/mfd/wm8350-i2c.c @@ -0,0 +1,120 @@ +/* + * wm8350-i2c.c -- Generic I2C driver for Wolfson WM8350 PMIC + * + * This driver defines and configures the WM8350 for the Freescale i.MX32ADS. + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * linux@wolfsonmicro.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include +#include +#include +#include +#include +#include + +static int wm8350_i2c_read_device(struct wm8350 *wm8350, char reg, + int bytes, void *dest) +{ + int ret; + + ret = i2c_master_send(wm8350->i2c_client, ®, 1); + if (ret < 0) + return ret; + return i2c_master_recv(wm8350->i2c_client, dest, bytes); +} + +static int wm8350_i2c_write_device(struct wm8350 *wm8350, char reg, + int bytes, void *src) +{ + /* we add 1 byte for device register */ + u8 msg[(WM8350_MAX_REGISTER << 1) + 1]; + + if (bytes > ((WM8350_MAX_REGISTER << 1) + 1)) + return -EINVAL; + + msg[0] = reg; + memcpy(&msg[1], src, bytes); + return i2c_master_send(wm8350->i2c_client, msg, bytes + 1); +} + +static int wm8350_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct wm8350 *wm8350; + int ret = 0; + + wm8350 = kzalloc(sizeof(struct wm8350), GFP_KERNEL); + if (wm8350 == NULL) { + kfree(i2c); + return -ENOMEM; + } + + i2c_set_clientdata(i2c, wm8350); + wm8350->dev = &i2c->dev; + wm8350->i2c_client = i2c; + wm8350->read_dev = wm8350_i2c_read_device; + wm8350->write_dev = wm8350_i2c_write_device; + + ret = wm8350_device_init(wm8350); + if (ret < 0) + goto err; + + return ret; + +err: + kfree(wm8350); + return ret; +} + +static int wm8350_i2c_remove(struct i2c_client *i2c) +{ + struct wm8350 *wm8350 = i2c_get_clientdata(i2c); + + wm8350_device_exit(wm8350); + kfree(wm8350); + + return 0; +} + +static const struct i2c_device_id wm8350_i2c_id[] = { + { "wm8350", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm8350_i2c_id); + + +static struct i2c_driver wm8350_i2c_driver = { + .driver = { + .name = "wm8350", + .owner = THIS_MODULE, + }, + .probe = wm8350_i2c_probe, + .remove = wm8350_i2c_remove, + .id_table = wm8350_i2c_id, +}; + +static int __init wm8350_i2c_init(void) +{ + return i2c_add_driver(&wm8350_i2c_driver); +} +/* init early so consumer devices can complete system boot */ +subsys_initcall(wm8350_i2c_init); + +static void __exit wm8350_i2c_exit(void) +{ + i2c_del_driver(&wm8350_i2c_driver); +} +module_exit(wm8350_i2c_exit); + +MODULE_DESCRIPTION("I2C support for the WM8350 AudioPlus PMIC"); +MODULE_LICENSE("GPL"); -- GitLab From 0e7203933224cbe09b5a9125f55b177b8dd5b1bd Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:12 +0100 Subject: [PATCH 4488/6244] mfd: Add GPIO pin configuration support for WM8350 The WM8350 provides a number of user-configurable pins providing access to various signals generated by the functions on the chip. These are referred to as GPIO pins in the device documentation but in Linux terms they are more general than that, providing configuration of alternate functions. This patch implements support for selecting the alternate functions for these pins. They can also be used as GPIOs in the normal Linux sense - a subsequent patch will add support for doing so. This code was all written by Liam Girdwood and has had minor updates and rearrangements by Mark Brown. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/Makefile | 2 +- drivers/mfd/wm8350-gpio.c | 222 ++++++++++++++++++++++++++++++++ include/linux/mfd/wm8350/gpio.h | 10 ++ 3 files changed, 233 insertions(+), 1 deletion(-) create mode 100644 drivers/mfd/wm8350-gpio.c diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 45038aed2d31..759b1fe1c891 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -13,7 +13,7 @@ obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o obj-$(CONFIG_MFD_WM8400) += wm8400-core.o -wm8350-objs := wm8350-core.o wm8350-regmap.o +wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o obj-$(CONFIG_MFD_WM8350) += wm8350.o obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o diff --git a/drivers/mfd/wm8350-gpio.c b/drivers/mfd/wm8350-gpio.c new file mode 100644 index 000000000000..ebf99bef392f --- /dev/null +++ b/drivers/mfd/wm8350-gpio.c @@ -0,0 +1,222 @@ +/* + * wm8350-core.c -- Device access for Wolfson WM8350 + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include +#include +#include + +#include +#include +#include + +static int gpio_set_dir(struct wm8350 *wm8350, int gpio, int dir) +{ + int ret; + + wm8350_reg_unlock(wm8350); + if (dir == WM8350_GPIO_DIR_OUT) + ret = wm8350_clear_bits(wm8350, + WM8350_GPIO_CONFIGURATION_I_O, + 1 << gpio); + else + ret = wm8350_set_bits(wm8350, + WM8350_GPIO_CONFIGURATION_I_O, + 1 << gpio); + wm8350_reg_lock(wm8350); + return ret; +} + +static int gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) +{ + if (db == WM8350_GPIO_DEBOUNCE_ON) + return wm8350_set_bits(wm8350, WM8350_GPIO_DEBOUNCE, + 1 << gpio); + else + return wm8350_clear_bits(wm8350, + WM8350_GPIO_DEBOUNCE, 1 << gpio); +} + +static int gpio_set_func(struct wm8350 *wm8350, int gpio, int func) +{ + u16 reg; + + wm8350_reg_unlock(wm8350); + switch (gpio) { + case 0: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_1) + & ~WM8350_GP0_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_1, + reg | ((func & 0xf) << 0)); + break; + case 1: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_1) + & ~WM8350_GP1_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_1, + reg | ((func & 0xf) << 4)); + break; + case 2: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_1) + & ~WM8350_GP2_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_1, + reg | ((func & 0xf) << 8)); + break; + case 3: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_1) + & ~WM8350_GP3_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_1, + reg | ((func & 0xf) << 12)); + break; + case 4: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_2) + & ~WM8350_GP4_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_2, + reg | ((func & 0xf) << 0)); + break; + case 5: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_2) + & ~WM8350_GP5_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_2, + reg | ((func & 0xf) << 4)); + break; + case 6: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_2) + & ~WM8350_GP6_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_2, + reg | ((func & 0xf) << 8)); + break; + case 7: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_2) + & ~WM8350_GP7_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_2, + reg | ((func & 0xf) << 12)); + break; + case 8: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_3) + & ~WM8350_GP8_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_3, + reg | ((func & 0xf) << 0)); + break; + case 9: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_3) + & ~WM8350_GP9_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_3, + reg | ((func & 0xf) << 4)); + break; + case 10: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_3) + & ~WM8350_GP10_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_3, + reg | ((func & 0xf) << 8)); + break; + case 11: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_3) + & ~WM8350_GP11_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_3, + reg | ((func & 0xf) << 12)); + break; + case 12: + reg = wm8350_reg_read(wm8350, WM8350_GPIO_FUNCTION_SELECT_4) + & ~WM8350_GP12_FN_MASK; + wm8350_reg_write(wm8350, WM8350_GPIO_FUNCTION_SELECT_4, + reg | ((func & 0xf) << 0)); + break; + default: + wm8350_reg_lock(wm8350); + return -EINVAL; + } + + wm8350_reg_lock(wm8350); + return 0; +} + +static int gpio_set_pull_up(struct wm8350 *wm8350, int gpio, int up) +{ + if (up) + return wm8350_set_bits(wm8350, + WM8350_GPIO_PIN_PULL_UP_CONTROL, + 1 << gpio); + else + return wm8350_clear_bits(wm8350, + WM8350_GPIO_PIN_PULL_UP_CONTROL, + 1 << gpio); +} + +static int gpio_set_pull_down(struct wm8350 *wm8350, int gpio, int down) +{ + if (down) + return wm8350_set_bits(wm8350, + WM8350_GPIO_PULL_DOWN_CONTROL, + 1 << gpio); + else + return wm8350_clear_bits(wm8350, + WM8350_GPIO_PULL_DOWN_CONTROL, + 1 << gpio); +} + +static int gpio_set_polarity(struct wm8350 *wm8350, int gpio, int pol) +{ + if (pol == WM8350_GPIO_ACTIVE_HIGH) + return wm8350_set_bits(wm8350, + WM8350_GPIO_PIN_POLARITY_TYPE, + 1 << gpio); + else + return wm8350_clear_bits(wm8350, + WM8350_GPIO_PIN_POLARITY_TYPE, + 1 << gpio); +} + +static int gpio_set_invert(struct wm8350 *wm8350, int gpio, int invert) +{ + if (invert == WM8350_GPIO_INVERT_ON) + return wm8350_set_bits(wm8350, WM8350_GPIO_INT_MODE, 1 << gpio); + else + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_MODE, 1 << gpio); +} + +int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, + int pol, int pull, int invert, int debounce) +{ + /* make sure we never pull up and down at the same time */ + if (pull == WM8350_GPIO_PULL_NONE) { + if (gpio_set_pull_up(wm8350, gpio, 0)) + goto err; + if (gpio_set_pull_down(wm8350, gpio, 0)) + goto err; + } else if (pull == WM8350_GPIO_PULL_UP) { + if (gpio_set_pull_down(wm8350, gpio, 0)) + goto err; + if (gpio_set_pull_up(wm8350, gpio, 1)) + goto err; + } else if (pull == WM8350_GPIO_PULL_DOWN) { + if (gpio_set_pull_up(wm8350, gpio, 0)) + goto err; + if (gpio_set_pull_down(wm8350, gpio, 1)) + goto err; + } + + if (gpio_set_invert(wm8350, gpio, invert)) + goto err; + if (gpio_set_polarity(wm8350, gpio, pol)) + goto err; + if (gpio_set_debounce(wm8350, gpio, debounce)) + goto err; + if (gpio_set_dir(wm8350, gpio, dir)) + goto err; + return gpio_set_func(wm8350, gpio, func); + +err: + return -EIO; +} +EXPORT_SYMBOL_GPL(wm8350_gpio_config); diff --git a/include/linux/mfd/wm8350/gpio.h b/include/linux/mfd/wm8350/gpio.h index 928aa6e91e36..c6cd2ca8854a 100644 --- a/include/linux/mfd/wm8350/gpio.h +++ b/include/linux/mfd/wm8350/gpio.h @@ -323,4 +323,14 @@ #define WM8350_GP1_LVL 0x0002 #define WM8350_GP0_LVL 0x0001 +struct wm8350; + +int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, + int pol, int pull, int invert, int debounce); + +/* + * GPIO Interrupts + */ +#define WM8350_IRQ_GPIO(x) (50 + x) + #endif -- GitLab From bcdd4efc1b6b8b98f30e127115f4bc7bbcd6f7ce Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:13 +0100 Subject: [PATCH 4489/6244] mfd: Add initialisation callback for WM8350 Some functions of the WM8350 require board-specific initialisation on startup. Provide a callback to the WM8350 driver in platform data for platforms to use to configure the chip. Use of a callback allows platforms to control the ordering of initialisation which can be important. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 12 +++++++++++- drivers/mfd/wm8350-i2c.c | 2 +- include/linux/mfd/wm8350/core.h | 14 +++++++++++++- 3 files changed, 25 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index c7552c0b7797..071834ba6954 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -388,7 +388,8 @@ out: } EXPORT_SYMBOL_GPL(wm8350_create_cache); -int wm8350_device_init(struct wm8350 *wm8350) +int wm8350_device_init(struct wm8350 *wm8350, + struct wm8350_platform_data *pdata) { int ret = -EINVAL; u16 id1, id2, mask, mode; @@ -439,6 +440,15 @@ int wm8350_device_init(struct wm8350 *wm8350) return ret; } + if (pdata->init) { + ret = pdata->init(wm8350); + if (ret != 0) { + dev_err(wm8350->dev, "Platform init() failed: %d\n", + ret); + goto err; + } + } + return 0; err: diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 2b0569cf9512..245b790961aa 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -65,7 +65,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c, wm8350->read_dev = wm8350_i2c_read_device; wm8350->write_dev = wm8350_i2c_write_device; - ret = wm8350_device_init(wm8350); + ret = wm8350_device_init(wm8350, i2c->dev.platform_data); if (ret < 0) goto err; diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 94778c1669dc..8f2beae6278e 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -564,10 +564,22 @@ struct wm8350 { u16 *reg_cache; }; +/** + * Data to be supplied by the platform to initialise the WM8350. + * + * @init: Function called during driver initialisation. Should be + * used by the platform to configure GPIO functions and similar. + */ +struct wm8350_platform_data { + int (*init)(struct wm8350 *wm8350); +}; + + /* * WM8350 device initialisation and exit. */ -int wm8350_device_init(struct wm8350 *wm8350); +int wm8350_device_init(struct wm8350 *wm8350, + struct wm8350_platform_data *pdata); void wm8350_device_exit(struct wm8350 *wm8350); /* -- GitLab From ebccec0fa4e35dff0c18663a492a65f4dc6cad7a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:14 +0100 Subject: [PATCH 4490/6244] mfd: Add WM8350 interrupt support The WM8350 has an interrupt line to the CPU which is shared by the devices on the CPU. This patch adds support for the interrupt controller within the WM8350 which identifies which identifies the interrupt cause. In common with other similar chips this is done outside the standard interrupt framework due to the need to access the interrupt controller over an interrupt-driven bus. This code was all originally written by Liam Girdwood with updates for submission by me. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 770 +++++++++++++++++++++++++++++++- drivers/mfd/wm8350-i2c.c | 2 +- include/linux/mfd/wm8350/core.h | 21 +- 3 files changed, 787 insertions(+), 6 deletions(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 071834ba6954..e74829f298b9 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -15,15 +15,20 @@ #include #include #include +#include #include #include #include +#include #include #include +#include #include #include +#include #include +#include #define WM8350_UNLOCK_KEY 0x0013 #define WM8350_LOCK_KEY 0x0000 @@ -321,6 +326,743 @@ int wm8350_reg_unlock(struct wm8350 *wm8350) } EXPORT_SYMBOL_GPL(wm8350_reg_unlock); +static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq) +{ + mutex_lock(&wm8350->irq_mutex); + + if (wm8350->irq[irq].handler) + wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data); + else { + dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n", + irq); + wm8350_mask_irq(wm8350, irq); + } + + mutex_unlock(&wm8350->irq_mutex); +} + +/* + * wm8350_irq_worker actually handles the interrupts. Since all + * interrupts are clear on read the IRQ line will be reasserted and + * the physical IRQ will be handled again if another interrupt is + * asserted while we run - in the normal course of events this is a + * rare occurrence so we save I2C/SPI reads. + */ +static void wm8350_irq_worker(struct work_struct *work) +{ + struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work); + u16 level_one, status1, status2, comp; + + /* TODO: Use block reads to improve performance? */ + level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS) + & ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK); + status1 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_1) + & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_1_MASK); + status2 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_2) + & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_2_MASK); + comp = wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS) + & ~wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK); + + /* over current */ + if (level_one & WM8350_OC_INT) { + u16 oc; + + oc = wm8350_reg_read(wm8350, WM8350_OVER_CURRENT_INT_STATUS); + oc &= ~wm8350_reg_read(wm8350, + WM8350_OVER_CURRENT_INT_STATUS_MASK); + + if (oc & WM8350_OC_LS_EINT) /* limit switch */ + wm8350_irq_call_handler(wm8350, WM8350_IRQ_OC_LS); + } + + /* under voltage */ + if (level_one & WM8350_UV_INT) { + u16 uv; + + uv = wm8350_reg_read(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS); + uv &= ~wm8350_reg_read(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK); + + if (uv & WM8350_UV_DC1_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC1); + if (uv & WM8350_UV_DC2_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC2); + if (uv & WM8350_UV_DC3_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC3); + if (uv & WM8350_UV_DC4_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC4); + if (uv & WM8350_UV_DC5_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC5); + if (uv & WM8350_UV_DC6_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC6); + if (uv & WM8350_UV_LDO1_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO1); + if (uv & WM8350_UV_LDO2_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO2); + if (uv & WM8350_UV_LDO3_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO3); + if (uv & WM8350_UV_LDO4_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO4); + } + + /* charger, RTC */ + if (status1) { + if (status1 & WM8350_CHG_BAT_HOT_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_BAT_HOT); + if (status1 & WM8350_CHG_BAT_COLD_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_BAT_COLD); + if (status1 & WM8350_CHG_BAT_FAIL_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_BAT_FAIL); + if (status1 & WM8350_CHG_TO_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_TO); + if (status1 & WM8350_CHG_END_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_END); + if (status1 & WM8350_CHG_START_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_START); + if (status1 & WM8350_CHG_FAST_RDY_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_FAST_RDY); + if (status1 & WM8350_CHG_VBATT_LT_3P9_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_VBATT_LT_3P9); + if (status1 & WM8350_CHG_VBATT_LT_3P1_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_VBATT_LT_3P1); + if (status1 & WM8350_CHG_VBATT_LT_2P85_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CHG_VBATT_LT_2P85); + if (status1 & WM8350_RTC_ALM_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_ALM); + if (status1 & WM8350_RTC_SEC_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_SEC); + if (status1 & WM8350_RTC_PER_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_PER); + } + + /* current sink, system, aux adc */ + if (status2) { + if (status2 & WM8350_CS1_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS1); + if (status2 & WM8350_CS2_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS2); + + if (status2 & WM8350_SYS_HYST_COMP_FAIL_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_SYS_HYST_COMP_FAIL); + if (status2 & WM8350_SYS_CHIP_GT115_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_SYS_CHIP_GT115); + if (status2 & WM8350_SYS_CHIP_GT140_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_SYS_CHIP_GT140); + if (status2 & WM8350_SYS_WDOG_TO_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_SYS_WDOG_TO); + + if (status2 & WM8350_AUXADC_DATARDY_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_AUXADC_DATARDY); + if (status2 & WM8350_AUXADC_DCOMP4_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_AUXADC_DCOMP4); + if (status2 & WM8350_AUXADC_DCOMP3_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_AUXADC_DCOMP3); + if (status2 & WM8350_AUXADC_DCOMP2_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_AUXADC_DCOMP2); + if (status2 & WM8350_AUXADC_DCOMP1_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_AUXADC_DCOMP1); + + if (status2 & WM8350_USB_LIMIT_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_USB_LIMIT); + } + + /* wake, codec, ext */ + if (comp) { + if (comp & WM8350_WKUP_OFF_STATE_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_OFF_STATE); + if (comp & WM8350_WKUP_HIB_STATE_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_HIB_STATE); + if (comp & WM8350_WKUP_CONV_FAULT_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_CONV_FAULT); + if (comp & WM8350_WKUP_WDOG_RST_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_WDOG_RST); + if (comp & WM8350_WKUP_GP_PWR_ON_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_GP_PWR_ON); + if (comp & WM8350_WKUP_ONKEY_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_WKUP_ONKEY); + if (comp & WM8350_WKUP_GP_WAKEUP_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_WKUP_GP_WAKEUP); + + if (comp & WM8350_CODEC_JCK_DET_L_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CODEC_JCK_DET_L); + if (comp & WM8350_CODEC_JCK_DET_R_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CODEC_JCK_DET_R); + if (comp & WM8350_CODEC_MICSCD_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_CODEC_MICSCD); + if (comp & WM8350_CODEC_MICD_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_CODEC_MICD); + + if (comp & WM8350_EXT_USB_FB_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_USB_FB); + if (comp & WM8350_EXT_WALL_FB_EINT) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_EXT_WALL_FB); + if (comp & WM8350_EXT_BAT_FB_EINT) + wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_BAT_FB); + } + + if (level_one & WM8350_GP_INT) { + int i; + u16 gpio; + + gpio = wm8350_reg_read(wm8350, WM8350_GPIO_INT_STATUS); + gpio &= ~wm8350_reg_read(wm8350, + WM8350_GPIO_INT_STATUS_MASK); + + for (i = 0; i < 12; i++) { + if (gpio & (1 << i)) + wm8350_irq_call_handler(wm8350, + WM8350_IRQ_GPIO(i)); + } + } + + enable_irq(wm8350->chip_irq); +} + +static irqreturn_t wm8350_irq(int irq, void *data) +{ + struct wm8350 *wm8350 = data; + + disable_irq_nosync(irq); + schedule_work(&wm8350->irq_work); + + return IRQ_HANDLED; +} + +int wm8350_register_irq(struct wm8350 *wm8350, int irq, + void (*handler) (struct wm8350 *, int, void *), + void *data) +{ + if (irq < 0 || irq > WM8350_NUM_IRQ || !handler) + return -EINVAL; + + if (wm8350->irq[irq].handler) + return -EBUSY; + + mutex_lock(&wm8350->irq_mutex); + wm8350->irq[irq].handler = handler; + wm8350->irq[irq].data = data; + mutex_unlock(&wm8350->irq_mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_register_irq); + +int wm8350_free_irq(struct wm8350 *wm8350, int irq) +{ + if (irq < 0 || irq > WM8350_NUM_IRQ) + return -EINVAL; + + mutex_lock(&wm8350->irq_mutex); + wm8350->irq[irq].handler = NULL; + mutex_unlock(&wm8350->irq_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_free_irq); + +int wm8350_mask_irq(struct wm8350 *wm8350, int irq) +{ + switch (irq) { + case WM8350_IRQ_CHG_BAT_HOT: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_HOT_EINT); + case WM8350_IRQ_CHG_BAT_COLD: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_COLD_EINT); + case WM8350_IRQ_CHG_BAT_FAIL: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_FAIL_EINT); + case WM8350_IRQ_CHG_TO: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_TO_EINT); + case WM8350_IRQ_CHG_END: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_END_EINT); + case WM8350_IRQ_CHG_START: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_START_EINT); + case WM8350_IRQ_CHG_FAST_RDY: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_FAST_RDY_EINT); + case WM8350_IRQ_RTC_PER: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_PER_EINT); + case WM8350_IRQ_RTC_SEC: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_SEC_EINT); + case WM8350_IRQ_RTC_ALM: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_ALM_EINT); + case WM8350_IRQ_CHG_VBATT_LT_3P9: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_3P9_EINT); + case WM8350_IRQ_CHG_VBATT_LT_3P1: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_3P1_EINT); + case WM8350_IRQ_CHG_VBATT_LT_2P85: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_2P85_EINT); + case WM8350_IRQ_CS1: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_CS1_EINT); + case WM8350_IRQ_CS2: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_CS2_EINT); + case WM8350_IRQ_USB_LIMIT: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_USB_LIMIT_EINT); + case WM8350_IRQ_AUXADC_DATARDY: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DATARDY_EINT); + case WM8350_IRQ_AUXADC_DCOMP4: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP4_EINT); + case WM8350_IRQ_AUXADC_DCOMP3: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP3_EINT); + case WM8350_IRQ_AUXADC_DCOMP2: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP2_EINT); + case WM8350_IRQ_AUXADC_DCOMP1: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP1_EINT); + case WM8350_IRQ_SYS_HYST_COMP_FAIL: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_HYST_COMP_FAIL_EINT); + case WM8350_IRQ_SYS_CHIP_GT115: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_CHIP_GT115_EINT); + case WM8350_IRQ_SYS_CHIP_GT140: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_CHIP_GT140_EINT); + case WM8350_IRQ_SYS_WDOG_TO: + return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_WDOG_TO_EINT); + case WM8350_IRQ_UV_LDO4: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO4_EINT); + case WM8350_IRQ_UV_LDO3: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO3_EINT); + case WM8350_IRQ_UV_LDO2: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO2_EINT); + case WM8350_IRQ_UV_LDO1: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO1_EINT); + case WM8350_IRQ_UV_DC6: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC6_EINT); + case WM8350_IRQ_UV_DC5: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC5_EINT); + case WM8350_IRQ_UV_DC4: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC4_EINT); + case WM8350_IRQ_UV_DC3: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC3_EINT); + case WM8350_IRQ_UV_DC2: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC2_EINT); + case WM8350_IRQ_UV_DC1: + return wm8350_set_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC1_EINT); + case WM8350_IRQ_OC_LS: + return wm8350_set_bits(wm8350, + WM8350_OVER_CURRENT_INT_STATUS_MASK, + WM8350_IM_OC_LS_EINT); + case WM8350_IRQ_EXT_USB_FB: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_USB_FB_EINT); + case WM8350_IRQ_EXT_WALL_FB: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_WALL_FB_EINT); + case WM8350_IRQ_EXT_BAT_FB: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_BAT_FB_EINT); + case WM8350_IRQ_CODEC_JCK_DET_L: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_JCK_DET_L_EINT); + case WM8350_IRQ_CODEC_JCK_DET_R: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_JCK_DET_R_EINT); + case WM8350_IRQ_CODEC_MICSCD: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_MICSCD_EINT); + case WM8350_IRQ_CODEC_MICD: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_MICD_EINT); + case WM8350_IRQ_WKUP_OFF_STATE: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_OFF_STATE_EINT); + case WM8350_IRQ_WKUP_HIB_STATE: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_HIB_STATE_EINT); + case WM8350_IRQ_WKUP_CONV_FAULT: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_CONV_FAULT_EINT); + case WM8350_IRQ_WKUP_WDOG_RST: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_OFF_STATE_EINT); + case WM8350_IRQ_WKUP_GP_PWR_ON: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_GP_PWR_ON_EINT); + case WM8350_IRQ_WKUP_ONKEY: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_ONKEY_EINT); + case WM8350_IRQ_WKUP_GP_WAKEUP: + return wm8350_set_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_GP_WAKEUP_EINT); + case WM8350_IRQ_GPIO(0): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP0_EINT); + case WM8350_IRQ_GPIO(1): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP1_EINT); + case WM8350_IRQ_GPIO(2): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP2_EINT); + case WM8350_IRQ_GPIO(3): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP3_EINT); + case WM8350_IRQ_GPIO(4): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP4_EINT); + case WM8350_IRQ_GPIO(5): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP5_EINT); + case WM8350_IRQ_GPIO(6): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP6_EINT); + case WM8350_IRQ_GPIO(7): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP7_EINT); + case WM8350_IRQ_GPIO(8): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP8_EINT); + case WM8350_IRQ_GPIO(9): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP9_EINT); + case WM8350_IRQ_GPIO(10): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP10_EINT); + case WM8350_IRQ_GPIO(11): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP11_EINT); + case WM8350_IRQ_GPIO(12): + return wm8350_set_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP12_EINT); + default: + dev_warn(wm8350->dev, "Attempting to mask unknown IRQ %d\n", + irq); + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_mask_irq); + +int wm8350_unmask_irq(struct wm8350 *wm8350, int irq) +{ + switch (irq) { + case WM8350_IRQ_CHG_BAT_HOT: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_HOT_EINT); + case WM8350_IRQ_CHG_BAT_COLD: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_COLD_EINT); + case WM8350_IRQ_CHG_BAT_FAIL: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_BAT_FAIL_EINT); + case WM8350_IRQ_CHG_TO: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_TO_EINT); + case WM8350_IRQ_CHG_END: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_END_EINT); + case WM8350_IRQ_CHG_START: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_START_EINT); + case WM8350_IRQ_CHG_FAST_RDY: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_FAST_RDY_EINT); + case WM8350_IRQ_RTC_PER: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_PER_EINT); + case WM8350_IRQ_RTC_SEC: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_SEC_EINT); + case WM8350_IRQ_RTC_ALM: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_RTC_ALM_EINT); + case WM8350_IRQ_CHG_VBATT_LT_3P9: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_3P9_EINT); + case WM8350_IRQ_CHG_VBATT_LT_3P1: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_3P1_EINT); + case WM8350_IRQ_CHG_VBATT_LT_2P85: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK, + WM8350_IM_CHG_VBATT_LT_2P85_EINT); + case WM8350_IRQ_CS1: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_CS1_EINT); + case WM8350_IRQ_CS2: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_CS2_EINT); + case WM8350_IRQ_USB_LIMIT: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_USB_LIMIT_EINT); + case WM8350_IRQ_AUXADC_DATARDY: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DATARDY_EINT); + case WM8350_IRQ_AUXADC_DCOMP4: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP4_EINT); + case WM8350_IRQ_AUXADC_DCOMP3: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP3_EINT); + case WM8350_IRQ_AUXADC_DCOMP2: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP2_EINT); + case WM8350_IRQ_AUXADC_DCOMP1: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_AUXADC_DCOMP1_EINT); + case WM8350_IRQ_SYS_HYST_COMP_FAIL: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_HYST_COMP_FAIL_EINT); + case WM8350_IRQ_SYS_CHIP_GT115: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_CHIP_GT115_EINT); + case WM8350_IRQ_SYS_CHIP_GT140: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_CHIP_GT140_EINT); + case WM8350_IRQ_SYS_WDOG_TO: + return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK, + WM8350_IM_SYS_WDOG_TO_EINT); + case WM8350_IRQ_UV_LDO4: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO4_EINT); + case WM8350_IRQ_UV_LDO3: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO3_EINT); + case WM8350_IRQ_UV_LDO2: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO2_EINT); + case WM8350_IRQ_UV_LDO1: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_LDO1_EINT); + case WM8350_IRQ_UV_DC6: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC6_EINT); + case WM8350_IRQ_UV_DC5: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC5_EINT); + case WM8350_IRQ_UV_DC4: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC4_EINT); + case WM8350_IRQ_UV_DC3: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC3_EINT); + case WM8350_IRQ_UV_DC2: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC2_EINT); + case WM8350_IRQ_UV_DC1: + return wm8350_clear_bits(wm8350, + WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, + WM8350_IM_UV_DC1_EINT); + case WM8350_IRQ_OC_LS: + return wm8350_clear_bits(wm8350, + WM8350_OVER_CURRENT_INT_STATUS_MASK, + WM8350_IM_OC_LS_EINT); + case WM8350_IRQ_EXT_USB_FB: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_USB_FB_EINT); + case WM8350_IRQ_EXT_WALL_FB: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_WALL_FB_EINT); + case WM8350_IRQ_EXT_BAT_FB: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_EXT_BAT_FB_EINT); + case WM8350_IRQ_CODEC_JCK_DET_L: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_JCK_DET_L_EINT); + case WM8350_IRQ_CODEC_JCK_DET_R: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_JCK_DET_R_EINT); + case WM8350_IRQ_CODEC_MICSCD: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_MICSCD_EINT); + case WM8350_IRQ_CODEC_MICD: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_CODEC_MICD_EINT); + case WM8350_IRQ_WKUP_OFF_STATE: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_OFF_STATE_EINT); + case WM8350_IRQ_WKUP_HIB_STATE: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_HIB_STATE_EINT); + case WM8350_IRQ_WKUP_CONV_FAULT: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_CONV_FAULT_EINT); + case WM8350_IRQ_WKUP_WDOG_RST: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_OFF_STATE_EINT); + case WM8350_IRQ_WKUP_GP_PWR_ON: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_GP_PWR_ON_EINT); + case WM8350_IRQ_WKUP_ONKEY: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_ONKEY_EINT); + case WM8350_IRQ_WKUP_GP_WAKEUP: + return wm8350_clear_bits(wm8350, + WM8350_COMPARATOR_INT_STATUS_MASK, + WM8350_IM_WKUP_GP_WAKEUP_EINT); + case WM8350_IRQ_GPIO(0): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP0_EINT); + case WM8350_IRQ_GPIO(1): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP1_EINT); + case WM8350_IRQ_GPIO(2): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP2_EINT); + case WM8350_IRQ_GPIO(3): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP3_EINT); + case WM8350_IRQ_GPIO(4): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP4_EINT); + case WM8350_IRQ_GPIO(5): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP5_EINT); + case WM8350_IRQ_GPIO(6): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP6_EINT); + case WM8350_IRQ_GPIO(7): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP7_EINT); + case WM8350_IRQ_GPIO(8): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP8_EINT); + case WM8350_IRQ_GPIO(9): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP9_EINT); + case WM8350_IRQ_GPIO(10): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP10_EINT); + case WM8350_IRQ_GPIO(11): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP11_EINT); + case WM8350_IRQ_GPIO(12): + return wm8350_clear_bits(wm8350, + WM8350_GPIO_INT_STATUS_MASK, + WM8350_IM_GP12_EINT); + default: + dev_warn(wm8350->dev, "Attempting to unmask unknown IRQ %d\n", + irq); + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_unmask_irq); + /* * Cache is always host endian. */ @@ -388,11 +1130,12 @@ out: } EXPORT_SYMBOL_GPL(wm8350_create_cache); -int wm8350_device_init(struct wm8350 *wm8350, +int wm8350_device_init(struct wm8350 *wm8350, int irq, struct wm8350_platform_data *pdata) { int ret = -EINVAL; u16 id1, id2, mask, mode; + int i; /* get WM8350 revision and config mode */ wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1); @@ -401,9 +1144,7 @@ int wm8350_device_init(struct wm8350 *wm8350, id1 = be16_to_cpu(id1); id2 = be16_to_cpu(id2); - if (id1 == 0x0) - dev_info(wm8350->dev, "Found Rev C device\n"); - else if (id1 == 0x6143) { + if (id1 == 0x6143) { switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) { case WM8350_REV_E: dev_info(wm8350->dev, "Found Rev E device\n"); @@ -449,6 +1190,24 @@ int wm8350_device_init(struct wm8350 *wm8350, } } + mutex_init(&wm8350->irq_mutex); + INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); + if (irq != NO_IRQ) { + ret = request_irq(irq, wm8350_irq, 0, + "wm8350", wm8350); + if (ret != 0) { + dev_err(wm8350->dev, "Failed to request IRQ: %d\n", + ret); + goto err; + } + } else { + dev_err(wm8350->dev, "No IRQ configured\n"); + goto err; + } + wm8350->chip_irq = irq; + + wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0); + return 0; err: @@ -459,8 +1218,11 @@ EXPORT_SYMBOL_GPL(wm8350_device_init); void wm8350_device_exit(struct wm8350 *wm8350) { + free_irq(wm8350->chip_irq, wm8350); + flush_work(&wm8350->irq_work); kfree(wm8350->reg_cache); } EXPORT_SYMBOL_GPL(wm8350_device_exit); +MODULE_DESCRIPTION("WM8350 AudioPlus PMIC core driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 245b790961aa..8dfe21bb3bd1 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -65,7 +65,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c, wm8350->read_dev = wm8350_i2c_read_device; wm8350->write_dev = wm8350_i2c_write_device; - ret = wm8350_device_init(wm8350, i2c->dev.platform_data); + ret = wm8350_device_init(wm8350, i2c->irq, i2c->dev.platform_data); if (ret < 0) goto err; diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 8f2beae6278e..d86d38260c6b 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -530,6 +530,8 @@ #define WM8350_REV_F 0x5 #define WM8350_REV_G 0x6 +#define WM8350_NUM_IRQ 63 + struct wm8350_reg_access { u16 readable; /* Mask of readable bits */ u16 writable; /* Mask of writable bits */ @@ -562,6 +564,12 @@ struct wm8350 { int (*write_dev)(struct wm8350 *wm8350, char reg, int size, void *src); u16 *reg_cache; + + /* Interrupt handling */ + struct work_struct irq_work; + struct mutex irq_mutex; /* IRQ table mutex */ + struct wm8350_irq irq[WM8350_NUM_IRQ]; + int chip_irq; }; /** @@ -578,7 +586,7 @@ struct wm8350_platform_data { /* * WM8350 device initialisation and exit. */ -int wm8350_device_init(struct wm8350 *wm8350, +int wm8350_device_init(struct wm8350 *wm8350, int irq, struct wm8350_platform_data *pdata); void wm8350_device_exit(struct wm8350 *wm8350); @@ -594,4 +602,15 @@ int wm8350_reg_unlock(struct wm8350 *wm8350); int wm8350_block_read(struct wm8350 *wm8350, int reg, int size, u16 *dest); int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src); +/* + * WM8350 internal interrupts + */ +int wm8350_register_irq(struct wm8350 *wm8350, int irq, + void (*handler) (struct wm8350 *, int, void *), + void *data); +int wm8350_free_irq(struct wm8350 *wm8350, int irq); +int wm8350_mask_irq(struct wm8350 *wm8350, int irq); +int wm8350_unmask_irq(struct wm8350 *wm8350, int irq); + + #endif -- GitLab From da09155ac8d3f04c299b3d82a6ab0df8d03da632 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:15 +0100 Subject: [PATCH 4491/6244] regulator: Add WM8350 regulator support The WM8350 features six DCDC convertors (four buck and two boost), four LDO voltage regulators and two constant current sinks. This driver adds support for these through the regulator API. This driver was written by Liam Girdwood with updates for submission from Mark Brown. Signed-off-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 6 + drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/wm8350-regulator.c | 1431 ++++++++++++++++++++++++++ include/linux/mfd/wm8350/core.h | 5 + include/linux/mfd/wm8350/pmic.h | 42 + 6 files changed, 1494 insertions(+) create mode 100644 drivers/regulator/wm8350-regulator.c diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index e74829f298b9..9a1a0b2b581e 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1218,6 +1218,12 @@ EXPORT_SYMBOL_GPL(wm8350_device_init); void wm8350_device_exit(struct wm8350 *wm8350) { + int i; + + for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++) + if (wm8350->pmic.pdev[i] != NULL) + platform_device_unregister(wm8350->pmic.pdev[i]); + free_irq(wm8350->chip_irq, wm8350); flush_work(&wm8350->irq_work); kfree(wm8350->reg_cache); diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 99906872cb91..a620023169bc 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -56,6 +56,14 @@ config REGULATOR_BQ24022 charging select between 100 mA and 500 mA charging current limit. +config REGULATOR_WM8350 + tristate "Wolfson Microelectroncis WM8350 AudioPlus PMIC" + depends on MFD_WM8350 + select REGULATOR + help + This driver provides support for the voltage and current regulators + of the WM8350 AudioPlus PMIC. + config REGULATOR_WM8400 tristate "Wolfson Microelectroncis WM8400 AudioPlus PMIC" depends on MFD_WM8400 @@ -63,4 +71,5 @@ config REGULATOR_WM8400 help This driver provides support for the voltage regulators of the WM8400 AudioPlus PMIC. + endmenu diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 3c6ac73af152..0de39fe2eaea 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_REGULATOR_FIXED_VOLTAGE) += fixed.o obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o +obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c new file mode 100644 index 000000000000..1f44b17e23b1 --- /dev/null +++ b/drivers/regulator/wm8350-regulator.c @@ -0,0 +1,1431 @@ +/* + * wm8350.c -- Voltage and current regulation for the Wolfson WM8350 PMIC + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * linux@wolfsonmicro.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Microamps */ +static const int isink_cur[] = { + 4, + 5, + 6, + 7, + 8, + 10, + 11, + 14, + 16, + 19, + 23, + 27, + 32, + 39, + 46, + 54, + 65, + 77, + 92, + 109, + 130, + 154, + 183, + 218, + 259, + 308, + 367, + 436, + 518, + 616, + 733, + 872, + 1037, + 1233, + 1466, + 1744, + 2073, + 2466, + 2933, + 3487, + 4147, + 4932, + 5865, + 6975, + 8294, + 9864, + 11730, + 13949, + 16589, + 19728, + 23460, + 27899, + 33178, + 39455, + 46920, + 55798, + 66355, + 78910, + 93840, + 111596, + 132710, + 157820, + 187681, + 223191 +}; + +static int get_isink_val(int min_uA, int max_uA, u16 *setting) +{ + int i; + + for (i = ARRAY_SIZE(isink_cur) - 1; i >= 0; i--) { + if (min_uA <= isink_cur[i] && max_uA >= isink_cur[i]) { + *setting = i; + return 0; + } + } + return -EINVAL; +} + +static inline int wm8350_ldo_val_to_mvolts(unsigned int val) +{ + if (val < 16) + return (val * 50) + 900; + else + return ((val - 16) * 100) + 1800; + +} + +static inline unsigned int wm8350_ldo_mvolts_to_val(int mV) +{ + if (mV < 1800) + return (mV - 900) / 50; + else + return ((mV - 1800) / 100) + 16; +} + +static inline int wm8350_dcdc_val_to_mvolts(unsigned int val) +{ + return (val * 25) + 850; +} + +static inline unsigned int wm8350_dcdc_mvolts_to_val(int mV) +{ + return (mV - 850) / 25; +} + +static int wm8350_isink_set_current(struct regulator_dev *rdev, int min_uA, + int max_uA) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + u16 val, setting; + int ret; + + ret = get_isink_val(min_uA, max_uA, &setting); + if (ret != 0) + return ret; + + switch (isink) { + case WM8350_ISINK_A: + val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) & + ~WM8350_CS1_ISEL_MASK; + wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_A, + val | setting); + break; + case WM8350_ISINK_B: + val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) & + ~WM8350_CS1_ISEL_MASK; + wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_B, + val | setting); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int wm8350_isink_get_current(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + u16 val; + + switch (isink) { + case WM8350_ISINK_A: + val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) & + WM8350_CS1_ISEL_MASK; + break; + case WM8350_ISINK_B: + val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) & + WM8350_CS1_ISEL_MASK; + break; + default: + return 0; + } + + return (isink_cur[val] + 50) / 100; +} + +/* turn on ISINK followed by DCDC */ +static int wm8350_isink_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + + switch (isink) { + case WM8350_ISINK_A: + switch (wm8350->pmic.isink_A_dcdc) { + case WM8350_DCDC_2: + case WM8350_DCDC_5: + wm8350_set_bits(wm8350, WM8350_POWER_MGMT_7, + WM8350_CS1_ENA); + wm8350_set_bits(wm8350, WM8350_CSA_FLASH_CONTROL, + WM8350_CS1_DRIVE); + wm8350_set_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, + 1 << (wm8350->pmic.isink_A_dcdc - + WM8350_DCDC_1)); + break; + default: + return -EINVAL; + } + break; + case WM8350_ISINK_B: + switch (wm8350->pmic.isink_B_dcdc) { + case WM8350_DCDC_2: + case WM8350_DCDC_5: + wm8350_set_bits(wm8350, WM8350_POWER_MGMT_7, + WM8350_CS2_ENA); + wm8350_set_bits(wm8350, WM8350_CSB_FLASH_CONTROL, + WM8350_CS2_DRIVE); + wm8350_set_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, + 1 << (wm8350->pmic.isink_B_dcdc - + WM8350_DCDC_1)); + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + return 0; +} + +static int wm8350_isink_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + + switch (isink) { + case WM8350_ISINK_A: + switch (wm8350->pmic.isink_A_dcdc) { + case WM8350_DCDC_2: + case WM8350_DCDC_5: + wm8350_clear_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, + 1 << (wm8350->pmic.isink_A_dcdc - + WM8350_DCDC_1)); + wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_7, + WM8350_CS1_ENA); + break; + default: + return -EINVAL; + } + break; + case WM8350_ISINK_B: + switch (wm8350->pmic.isink_B_dcdc) { + case WM8350_DCDC_2: + case WM8350_DCDC_5: + wm8350_clear_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, + 1 << (wm8350->pmic.isink_B_dcdc - + WM8350_DCDC_1)); + wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_7, + WM8350_CS2_ENA); + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + return 0; +} + +static int wm8350_isink_is_enabled(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int isink = rdev_get_id(rdev); + + switch (isink) { + case WM8350_ISINK_A: + return wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) & + 0x8000; + case WM8350_ISINK_B: + return wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) & + 0x8000; + } + return -EINVAL; +} + +int wm8350_isink_set_flash(struct wm8350 *wm8350, int isink, u16 mode, + u16 trigger, u16 duration, u16 on_ramp, u16 off_ramp, + u16 drive) +{ + switch (isink) { + case WM8350_ISINK_A: + wm8350_reg_write(wm8350, WM8350_CSA_FLASH_CONTROL, + (mode ? WM8350_CS1_FLASH_MODE : 0) | + (trigger ? WM8350_CS1_TRIGSRC : 0) | + duration | on_ramp | off_ramp | drive); + break; + case WM8350_ISINK_B: + wm8350_reg_write(wm8350, WM8350_CSB_FLASH_CONTROL, + (mode ? WM8350_CS2_FLASH_MODE : 0) | + (trigger ? WM8350_CS2_TRIGSRC : 0) | + duration | on_ramp | off_ramp | drive); + break; + default: + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_isink_set_flash); + +static int wm8350_dcdc_set_voltage(struct regulator_dev *rdev, int min_uV, + int max_uV) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, dcdc = rdev_get_id(rdev), mV, + min_mV = min_uV / 1000, max_mV = max_uV / 1000; + u16 val; + + if (min_mV < 850 || min_mV > 4025) + return -EINVAL; + if (max_mV < 850 || max_mV > 4025) + return -EINVAL; + + /* step size is 25mV */ + mV = (min_mV - 826) / 25; + if (wm8350_dcdc_val_to_mvolts(mV) > max_mV) + return -EINVAL; + BUG_ON(wm8350_dcdc_val_to_mvolts(mV) < min_mV); + + switch (dcdc) { + case WM8350_DCDC_1: + volt_reg = WM8350_DCDC1_CONTROL; + break; + case WM8350_DCDC_3: + volt_reg = WM8350_DCDC3_CONTROL; + break; + case WM8350_DCDC_4: + volt_reg = WM8350_DCDC4_CONTROL; + break; + case WM8350_DCDC_6: + volt_reg = WM8350_DCDC6_CONTROL; + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + /* all DCDCs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_DC1_VSEL_MASK; + wm8350_reg_write(wm8350, volt_reg, val | mV); + return 0; +} + +static int wm8350_dcdc_get_voltage(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, dcdc = rdev_get_id(rdev); + u16 val; + + switch (dcdc) { + case WM8350_DCDC_1: + volt_reg = WM8350_DCDC1_CONTROL; + break; + case WM8350_DCDC_3: + volt_reg = WM8350_DCDC3_CONTROL; + break; + case WM8350_DCDC_4: + volt_reg = WM8350_DCDC4_CONTROL; + break; + case WM8350_DCDC_6: + volt_reg = WM8350_DCDC6_CONTROL; + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + /* all DCDCs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & WM8350_DC1_VSEL_MASK; + return wm8350_dcdc_val_to_mvolts(val) * 1000; +} + +static int wm8350_dcdc_set_suspend_voltage(struct regulator_dev *rdev, int uV) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, mV = uV / 1000, dcdc = rdev_get_id(rdev); + u16 val; + + dev_dbg(wm8350->dev, "%s %d mV %d\n", __func__, dcdc, mV); + + if (mV && (mV < 850 || mV > 4025)) { + dev_err(wm8350->dev, + "DCDC%d suspend voltage %d mV out of range\n", + dcdc, mV); + return -EINVAL; + } + if (mV == 0) + mV = 850; + + switch (dcdc) { + case WM8350_DCDC_1: + volt_reg = WM8350_DCDC1_LOW_POWER; + break; + case WM8350_DCDC_3: + volt_reg = WM8350_DCDC3_LOW_POWER; + break; + case WM8350_DCDC_4: + volt_reg = WM8350_DCDC4_LOW_POWER; + break; + case WM8350_DCDC_6: + volt_reg = WM8350_DCDC6_LOW_POWER; + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + /* all DCDCs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_DC1_VSEL_MASK; + wm8350_reg_write(wm8350, volt_reg, + val | wm8350_dcdc_mvolts_to_val(mV)); + return 0; +} + +static int wm8350_dcdc_set_suspend_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 val; + + switch (dcdc) { + case WM8350_DCDC_1: + val = wm8350_reg_read(wm8350, WM8350_DCDC1_LOW_POWER) + & ~WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC1_LOW_POWER, + wm8350->pmic.dcdc1_hib_mode); + break; + case WM8350_DCDC_3: + val = wm8350_reg_read(wm8350, WM8350_DCDC3_LOW_POWER) + & ~WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC3_LOW_POWER, + wm8350->pmic.dcdc3_hib_mode); + break; + case WM8350_DCDC_4: + val = wm8350_reg_read(wm8350, WM8350_DCDC4_LOW_POWER) + & ~WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC4_LOW_POWER, + wm8350->pmic.dcdc4_hib_mode); + break; + case WM8350_DCDC_6: + val = wm8350_reg_read(wm8350, WM8350_DCDC6_LOW_POWER) + & ~WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC6_LOW_POWER, + wm8350->pmic.dcdc6_hib_mode); + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + return 0; +} + +static int wm8350_dcdc_set_suspend_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 val; + + switch (dcdc) { + case WM8350_DCDC_1: + val = wm8350_reg_read(wm8350, WM8350_DCDC1_LOW_POWER); + wm8350->pmic.dcdc1_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC1_LOW_POWER, + WM8350_DCDC_HIB_MODE_DIS); + break; + case WM8350_DCDC_3: + val = wm8350_reg_read(wm8350, WM8350_DCDC3_LOW_POWER); + wm8350->pmic.dcdc3_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC3_LOW_POWER, + WM8350_DCDC_HIB_MODE_DIS); + break; + case WM8350_DCDC_4: + val = wm8350_reg_read(wm8350, WM8350_DCDC4_LOW_POWER); + wm8350->pmic.dcdc4_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC4_LOW_POWER, + WM8350_DCDC_HIB_MODE_DIS); + break; + case WM8350_DCDC_6: + val = wm8350_reg_read(wm8350, WM8350_DCDC6_LOW_POWER); + wm8350->pmic.dcdc6_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC6_LOW_POWER, + WM8350_DCDC_HIB_MODE_DIS); + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + return 0; +} + +static int wm8350_dcdc25_set_suspend_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 val; + + switch (dcdc) { + case WM8350_DCDC_2: + val = wm8350_reg_read(wm8350, WM8350_DCDC2_CONTROL) + & ~WM8350_DC2_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC2_CONTROL, val | + WM8350_DC2_HIB_MODE_ACTIVE); + break; + case WM8350_DCDC_5: + val = wm8350_reg_read(wm8350, WM8350_DCDC5_CONTROL) + & ~WM8350_DC2_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC5_CONTROL, val | + WM8350_DC5_HIB_MODE_ACTIVE); + break; + default: + return -EINVAL; + } + return 0; +} + +static int wm8350_dcdc25_set_suspend_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 val; + + switch (dcdc) { + case WM8350_DCDC_2: + val = wm8350_reg_read(wm8350, WM8350_DCDC2_CONTROL) + & ~WM8350_DC2_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC2_CONTROL, val | + WM8350_DC2_HIB_MODE_DISABLE); + break; + case WM8350_DCDC_5: + val = wm8350_reg_read(wm8350, WM8350_DCDC5_CONTROL) + & ~WM8350_DC2_HIB_MODE_MASK; + wm8350_reg_write(wm8350, WM8350_DCDC5_CONTROL, val | + WM8350_DC2_HIB_MODE_DISABLE); + break; + default: + return -EINVAL; + } + return 0; +} + +static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 *hib_mode; + + switch (dcdc) { + case WM8350_DCDC_1: + hib_mode = &wm8350->pmic.dcdc1_hib_mode; + break; + case WM8350_DCDC_3: + hib_mode = &wm8350->pmic.dcdc3_hib_mode; + break; + case WM8350_DCDC_4: + hib_mode = &wm8350->pmic.dcdc4_hib_mode; + break; + case WM8350_DCDC_6: + hib_mode = &wm8350->pmic.dcdc6_hib_mode; + break; + case WM8350_DCDC_2: + case WM8350_DCDC_5: + default: + return -EINVAL; + } + + switch (mode) { + case REGULATOR_MODE_NORMAL: + *hib_mode = WM8350_DCDC_HIB_MODE_IMAGE; + break; + case REGULATOR_MODE_IDLE: + *hib_mode = WM8350_DCDC_HIB_MODE_STANDBY; + break; + case REGULATOR_MODE_STANDBY: + *hib_mode = WM8350_DCDC_HIB_MODE_LDO_IM; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int wm8350_ldo_set_suspend_voltage(struct regulator_dev *rdev, int uV) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, mV = uV / 1000, ldo = rdev_get_id(rdev); + u16 val; + + dev_dbg(wm8350->dev, "%s %d mV %d\n", __func__, ldo, mV); + + if (mV < 900 || mV > 3300) { + dev_err(wm8350->dev, "LDO%d voltage %d mV out of range\n", + ldo, mV); + return -EINVAL; + } + + switch (ldo) { + case WM8350_LDO_1: + volt_reg = WM8350_LDO1_LOW_POWER; + break; + case WM8350_LDO_2: + volt_reg = WM8350_LDO2_LOW_POWER; + break; + case WM8350_LDO_3: + volt_reg = WM8350_LDO3_LOW_POWER; + break; + case WM8350_LDO_4: + volt_reg = WM8350_LDO4_LOW_POWER; + break; + default: + return -EINVAL; + } + + /* all LDOs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_VSEL_MASK; + wm8350_reg_write(wm8350, volt_reg, + val | wm8350_ldo_mvolts_to_val(mV)); + return 0; +} + +static int wm8350_ldo_set_suspend_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, ldo = rdev_get_id(rdev); + u16 val; + + switch (ldo) { + case WM8350_LDO_1: + volt_reg = WM8350_LDO1_LOW_POWER; + break; + case WM8350_LDO_2: + volt_reg = WM8350_LDO2_LOW_POWER; + break; + case WM8350_LDO_3: + volt_reg = WM8350_LDO3_LOW_POWER; + break; + case WM8350_LDO_4: + volt_reg = WM8350_LDO4_LOW_POWER; + break; + default: + return -EINVAL; + } + + /* all LDOs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_HIB_MODE_MASK; + wm8350_reg_write(wm8350, volt_reg, val); + return 0; +} + +static int wm8350_ldo_set_suspend_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, ldo = rdev_get_id(rdev); + u16 val; + + switch (ldo) { + case WM8350_LDO_1: + volt_reg = WM8350_LDO1_LOW_POWER; + break; + case WM8350_LDO_2: + volt_reg = WM8350_LDO2_LOW_POWER; + break; + case WM8350_LDO_3: + volt_reg = WM8350_LDO3_LOW_POWER; + break; + case WM8350_LDO_4: + volt_reg = WM8350_LDO4_LOW_POWER; + break; + default: + return -EINVAL; + } + + /* all LDOs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_HIB_MODE_MASK; + wm8350_reg_write(wm8350, volt_reg, WM8350_LDO1_HIB_MODE_DIS); + return 0; +} + +static int wm8350_ldo_set_voltage(struct regulator_dev *rdev, int min_uV, + int max_uV) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, ldo = rdev_get_id(rdev), mV, min_mV = min_uV / 1000, + max_mV = max_uV / 1000; + u16 val; + + if (min_mV < 900 || min_mV > 3300) + return -EINVAL; + if (max_mV < 900 || max_mV > 3300) + return -EINVAL; + + if (min_mV < 1800) { + /* step size is 50mV < 1800mV */ + mV = (min_mV - 851) / 50; + if (wm8350_ldo_val_to_mvolts(mV) > max_mV) + return -EINVAL; + BUG_ON(wm8350_ldo_val_to_mvolts(mV) < min_mV); + } else { + /* step size is 100mV > 1800mV */ + mV = ((min_mV - 1701) / 100) + 16; + if (wm8350_ldo_val_to_mvolts(mV) > max_mV) + return -EINVAL; + BUG_ON(wm8350_ldo_val_to_mvolts(mV) < min_mV); + } + + switch (ldo) { + case WM8350_LDO_1: + volt_reg = WM8350_LDO1_CONTROL; + break; + case WM8350_LDO_2: + volt_reg = WM8350_LDO2_CONTROL; + break; + case WM8350_LDO_3: + volt_reg = WM8350_LDO3_CONTROL; + break; + case WM8350_LDO_4: + volt_reg = WM8350_LDO4_CONTROL; + break; + default: + return -EINVAL; + } + + /* all LDOs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_VSEL_MASK; + wm8350_reg_write(wm8350, volt_reg, val | mV); + return 0; +} + +static int wm8350_ldo_get_voltage(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int volt_reg, ldo = rdev_get_id(rdev); + u16 val; + + switch (ldo) { + case WM8350_LDO_1: + volt_reg = WM8350_LDO1_CONTROL; + break; + case WM8350_LDO_2: + volt_reg = WM8350_LDO2_CONTROL; + break; + case WM8350_LDO_3: + volt_reg = WM8350_LDO3_CONTROL; + break; + case WM8350_LDO_4: + volt_reg = WM8350_LDO4_CONTROL; + break; + default: + return -EINVAL; + } + + /* all LDOs have same mV bits */ + val = wm8350_reg_read(wm8350, volt_reg) & WM8350_LDO1_VSEL_MASK; + return wm8350_ldo_val_to_mvolts(val) * 1000; +} + +int wm8350_dcdc_set_slot(struct wm8350 *wm8350, int dcdc, u16 start, + u16 stop, u16 fault) +{ + int slot_reg; + u16 val; + + dev_dbg(wm8350->dev, "%s %d start %d stop %d\n", + __func__, dcdc, start, stop); + + /* slot valid ? */ + if (start > 15 || stop > 15) + return -EINVAL; + + switch (dcdc) { + case WM8350_DCDC_1: + slot_reg = WM8350_DCDC1_TIMEOUTS; + break; + case WM8350_DCDC_2: + slot_reg = WM8350_DCDC2_TIMEOUTS; + break; + case WM8350_DCDC_3: + slot_reg = WM8350_DCDC3_TIMEOUTS; + break; + case WM8350_DCDC_4: + slot_reg = WM8350_DCDC4_TIMEOUTS; + break; + case WM8350_DCDC_5: + slot_reg = WM8350_DCDC5_TIMEOUTS; + break; + case WM8350_DCDC_6: + slot_reg = WM8350_DCDC6_TIMEOUTS; + break; + default: + return -EINVAL; + } + + val = wm8350_reg_read(wm8350, slot_reg) & + ~(WM8350_DC1_ENSLOT_MASK | WM8350_DC1_SDSLOT_MASK | + WM8350_DC1_ERRACT_MASK); + wm8350_reg_write(wm8350, slot_reg, + val | (start << WM8350_DC1_ENSLOT_SHIFT) | + (stop << WM8350_DC1_SDSLOT_SHIFT) | + (fault << WM8350_DC1_ERRACT_SHIFT)); + + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_dcdc_set_slot); + +int wm8350_ldo_set_slot(struct wm8350 *wm8350, int ldo, u16 start, u16 stop) +{ + int slot_reg; + u16 val; + + dev_dbg(wm8350->dev, "%s %d start %d stop %d\n", + __func__, ldo, start, stop); + + /* slot valid ? */ + if (start > 15 || stop > 15) + return -EINVAL; + + switch (ldo) { + case WM8350_LDO_1: + slot_reg = WM8350_LDO1_TIMEOUTS; + break; + case WM8350_LDO_2: + slot_reg = WM8350_LDO2_TIMEOUTS; + break; + case WM8350_LDO_3: + slot_reg = WM8350_LDO3_TIMEOUTS; + break; + case WM8350_LDO_4: + slot_reg = WM8350_LDO4_TIMEOUTS; + break; + default: + return -EINVAL; + } + + val = wm8350_reg_read(wm8350, slot_reg) & ~WM8350_LDO1_SDSLOT_MASK; + wm8350_reg_write(wm8350, slot_reg, val | ((start << 10) | (stop << 6))); + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_ldo_set_slot); + +int wm8350_dcdc25_set_mode(struct wm8350 *wm8350, int dcdc, u16 mode, + u16 ilim, u16 ramp, u16 feedback) +{ + u16 val; + + dev_dbg(wm8350->dev, "%s %d mode: %s %s\n", __func__, dcdc, + mode ? "normal" : "boost", ilim ? "low" : "normal"); + + switch (dcdc) { + case WM8350_DCDC_2: + val = wm8350_reg_read(wm8350, WM8350_DCDC2_CONTROL) + & ~(WM8350_DC2_MODE_MASK | WM8350_DC2_ILIM_MASK | + WM8350_DC2_RMP_MASK | WM8350_DC2_FBSRC_MASK); + wm8350_reg_write(wm8350, WM8350_DCDC2_CONTROL, val | + (mode << WM8350_DC2_MODE_SHIFT) | + (ilim << WM8350_DC2_ILIM_SHIFT) | + (ramp << WM8350_DC2_RMP_SHIFT) | + (feedback << WM8350_DC2_FBSRC_SHIFT)); + break; + case WM8350_DCDC_5: + val = wm8350_reg_read(wm8350, WM8350_DCDC5_CONTROL) + & ~(WM8350_DC5_MODE_MASK | WM8350_DC5_ILIM_MASK | + WM8350_DC5_RMP_MASK | WM8350_DC5_FBSRC_MASK); + wm8350_reg_write(wm8350, WM8350_DCDC5_CONTROL, val | + (mode << WM8350_DC5_MODE_SHIFT) | + (ilim << WM8350_DC5_ILIM_SHIFT) | + (ramp << WM8350_DC5_RMP_SHIFT) | + (feedback << WM8350_DC5_FBSRC_SHIFT)); + break; + default: + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(wm8350_dcdc25_set_mode); + +static int wm8350_dcdc_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 shift; + + if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) + return -EINVAL; + + shift = dcdc - WM8350_DCDC_1; + wm8350_set_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, 1 << shift); + return 0; +} + +static int wm8350_dcdc_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 shift; + + if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) + return -EINVAL; + + shift = dcdc - WM8350_DCDC_1; + wm8350_clear_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, 1 << shift); + + return 0; +} + +static int wm8350_ldo_enable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int ldo = rdev_get_id(rdev); + u16 shift; + + if (ldo < WM8350_LDO_1 || ldo > WM8350_LDO_4) + return -EINVAL; + + shift = (ldo - WM8350_LDO_1) + 8; + wm8350_set_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, 1 << shift); + return 0; +} + +static int wm8350_ldo_disable(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int ldo = rdev_get_id(rdev); + u16 shift; + + if (ldo < WM8350_LDO_1 || ldo > WM8350_LDO_4) + return -EINVAL; + + shift = (ldo - WM8350_LDO_1) + 8; + wm8350_clear_bits(wm8350, WM8350_DCDC_LDO_REQUESTED, 1 << shift); + return 0; +} + +static int force_continuous_enable(struct wm8350 *wm8350, int dcdc, int enable) +{ + int reg = 0, ret; + + switch (dcdc) { + case WM8350_DCDC_1: + reg = WM8350_DCDC1_FORCE_PWM; + break; + case WM8350_DCDC_3: + reg = WM8350_DCDC3_FORCE_PWM; + break; + case WM8350_DCDC_4: + reg = WM8350_DCDC4_FORCE_PWM; + break; + case WM8350_DCDC_6: + reg = WM8350_DCDC6_FORCE_PWM; + break; + default: + return -EINVAL; + } + + if (enable) + ret = wm8350_set_bits(wm8350, reg, + WM8350_DCDC1_FORCE_PWM_ENA); + else + ret = wm8350_clear_bits(wm8350, reg, + WM8350_DCDC1_FORCE_PWM_ENA); + return ret; +} + +static int wm8350_dcdc_set_mode(struct regulator_dev *rdev, unsigned int mode) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 val; + + if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) + return -EINVAL; + + if (dcdc == WM8350_DCDC_2 || dcdc == WM8350_DCDC_5) + return -EINVAL; + + val = 1 << (dcdc - WM8350_DCDC_1); + + switch (mode) { + case REGULATOR_MODE_FAST: + /* force continuous mode */ + wm8350_set_bits(wm8350, WM8350_DCDC_ACTIVE_OPTIONS, val); + wm8350_clear_bits(wm8350, WM8350_DCDC_SLEEP_OPTIONS, val); + force_continuous_enable(wm8350, dcdc, 1); + break; + case REGULATOR_MODE_NORMAL: + /* active / pulse skipping */ + wm8350_set_bits(wm8350, WM8350_DCDC_ACTIVE_OPTIONS, val); + wm8350_clear_bits(wm8350, WM8350_DCDC_SLEEP_OPTIONS, val); + force_continuous_enable(wm8350, dcdc, 0); + break; + case REGULATOR_MODE_IDLE: + /* standby mode */ + force_continuous_enable(wm8350, dcdc, 0); + wm8350_clear_bits(wm8350, WM8350_DCDC_SLEEP_OPTIONS, val); + wm8350_clear_bits(wm8350, WM8350_DCDC_ACTIVE_OPTIONS, val); + break; + case REGULATOR_MODE_STANDBY: + /* LDO mode */ + force_continuous_enable(wm8350, dcdc, 0); + wm8350_set_bits(wm8350, WM8350_DCDC_SLEEP_OPTIONS, val); + break; + } + + return 0; +} + +static unsigned int wm8350_dcdc_get_mode(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev); + u16 mask, sleep, active, force; + int mode = REGULATOR_MODE_NORMAL; + + if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) + return -EINVAL; + + if (dcdc == WM8350_DCDC_2 || dcdc == WM8350_DCDC_5) + return -EINVAL; + + mask = 1 << (dcdc - WM8350_DCDC_1); + active = wm8350_reg_read(wm8350, WM8350_DCDC_ACTIVE_OPTIONS) & mask; + sleep = wm8350_reg_read(wm8350, WM8350_DCDC_SLEEP_OPTIONS) & mask; + force = wm8350_reg_read(wm8350, WM8350_DCDC1_FORCE_PWM) + & WM8350_DCDC1_FORCE_PWM_ENA; + dev_dbg(wm8350->dev, "mask %x active %x sleep %x force %x", + mask, active, sleep, force); + + if (active && !sleep) { + if (force) + mode = REGULATOR_MODE_FAST; + else + mode = REGULATOR_MODE_NORMAL; + } else if (!active && !sleep) + mode = REGULATOR_MODE_IDLE; + else if (!sleep) + mode = REGULATOR_MODE_STANDBY; + + return mode; +} + +static unsigned int wm8350_ldo_get_mode(struct regulator_dev *rdev) +{ + return REGULATOR_MODE_NORMAL; +} + +struct wm8350_dcdc_efficiency { + int uA_load_min; + int uA_load_max; + unsigned int mode; +}; + +static const struct wm8350_dcdc_efficiency dcdc1_6_efficiency[] = { + {0, 10000, REGULATOR_MODE_STANDBY}, /* 0 - 10mA - LDO */ + {10000, 100000, REGULATOR_MODE_IDLE}, /* 10mA - 100mA - Standby */ + {100000, 1000000, REGULATOR_MODE_NORMAL}, /* > 100mA - Active */ + {-1, -1, REGULATOR_MODE_NORMAL}, +}; + +static const struct wm8350_dcdc_efficiency dcdc3_4_efficiency[] = { + {0, 10000, REGULATOR_MODE_STANDBY}, /* 0 - 10mA - LDO */ + {10000, 100000, REGULATOR_MODE_IDLE}, /* 10mA - 100mA - Standby */ + {100000, 800000, REGULATOR_MODE_NORMAL}, /* > 100mA - Active */ + {-1, -1, REGULATOR_MODE_NORMAL}, +}; + +static unsigned int get_mode(int uA, const struct wm8350_dcdc_efficiency *eff) +{ + int i = 0; + + while (eff[i].uA_load_min != -1) { + if (uA >= eff[i].uA_load_min && uA <= eff[i].uA_load_max) + return eff[i].mode; + } + return REGULATOR_MODE_NORMAL; +} + +/* Query the regulator for it's most efficient mode @ uV,uA + * WM8350 regulator efficiency is pretty similar over + * different input and output uV. + */ +static unsigned int wm8350_dcdc_get_optimum_mode(struct regulator_dev *rdev, + int input_uV, int output_uV, + int output_uA) +{ + int dcdc = rdev_get_id(rdev), mode; + + switch (dcdc) { + case WM8350_DCDC_1: + case WM8350_DCDC_6: + mode = get_mode(output_uA, dcdc1_6_efficiency); + break; + case WM8350_DCDC_3: + case WM8350_DCDC_4: + mode = get_mode(output_uA, dcdc3_4_efficiency); + break; + default: + mode = REGULATOR_MODE_NORMAL; + break; + } + return mode; +} + +static int wm8350_dcdc_is_enabled(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int dcdc = rdev_get_id(rdev), shift; + + if (dcdc < WM8350_DCDC_1 || dcdc > WM8350_DCDC_6) + return -EINVAL; + + shift = dcdc - WM8350_DCDC_1; + return wm8350_reg_read(wm8350, WM8350_DCDC_LDO_REQUESTED) + & (1 << shift); +} + +static int wm8350_ldo_is_enabled(struct regulator_dev *rdev) +{ + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + int ldo = rdev_get_id(rdev), shift; + + if (ldo < WM8350_LDO_1 || ldo > WM8350_LDO_4) + return -EINVAL; + + shift = (ldo - WM8350_LDO_1) + 8; + return wm8350_reg_read(wm8350, WM8350_DCDC_LDO_REQUESTED) + & (1 << shift); +} + +static struct regulator_ops wm8350_dcdc_ops = { + .set_voltage = wm8350_dcdc_set_voltage, + .get_voltage = wm8350_dcdc_get_voltage, + .enable = wm8350_dcdc_enable, + .disable = wm8350_dcdc_disable, + .get_mode = wm8350_dcdc_get_mode, + .set_mode = wm8350_dcdc_set_mode, + .get_optimum_mode = wm8350_dcdc_get_optimum_mode, + .is_enabled = wm8350_dcdc_is_enabled, + .set_suspend_voltage = wm8350_dcdc_set_suspend_voltage, + .set_suspend_enable = wm8350_dcdc_set_suspend_enable, + .set_suspend_disable = wm8350_dcdc_set_suspend_disable, + .set_suspend_mode = wm8350_dcdc_set_suspend_mode, +}; + +static struct regulator_ops wm8350_dcdc2_5_ops = { + .enable = wm8350_dcdc_enable, + .disable = wm8350_dcdc_disable, + .is_enabled = wm8350_dcdc_is_enabled, + .set_suspend_enable = wm8350_dcdc25_set_suspend_enable, + .set_suspend_disable = wm8350_dcdc25_set_suspend_disable, +}; + +static struct regulator_ops wm8350_ldo_ops = { + .set_voltage = wm8350_ldo_set_voltage, + .get_voltage = wm8350_ldo_get_voltage, + .enable = wm8350_ldo_enable, + .disable = wm8350_ldo_disable, + .is_enabled = wm8350_ldo_is_enabled, + .get_mode = wm8350_ldo_get_mode, + .set_suspend_voltage = wm8350_ldo_set_suspend_voltage, + .set_suspend_enable = wm8350_ldo_set_suspend_enable, + .set_suspend_disable = wm8350_ldo_set_suspend_disable, +}; + +static struct regulator_ops wm8350_isink_ops = { + .set_current_limit = wm8350_isink_set_current, + .get_current_limit = wm8350_isink_get_current, + .enable = wm8350_isink_enable, + .disable = wm8350_isink_disable, + .is_enabled = wm8350_isink_is_enabled, +}; + +static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = { + { + .name = "DCDC1", + .id = WM8350_DCDC_1, + .ops = &wm8350_dcdc_ops, + .irq = WM8350_IRQ_UV_DC1, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC2", + .id = WM8350_DCDC_2, + .ops = &wm8350_dcdc2_5_ops, + .irq = WM8350_IRQ_UV_DC2, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC3", + .id = WM8350_DCDC_3, + .ops = &wm8350_dcdc_ops, + .irq = WM8350_IRQ_UV_DC3, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC4", + .id = WM8350_DCDC_4, + .ops = &wm8350_dcdc_ops, + .irq = WM8350_IRQ_UV_DC4, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC5", + .id = WM8350_DCDC_5, + .ops = &wm8350_dcdc2_5_ops, + .irq = WM8350_IRQ_UV_DC5, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "DCDC6", + .id = WM8350_DCDC_6, + .ops = &wm8350_dcdc_ops, + .irq = WM8350_IRQ_UV_DC6, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO1", + .id = WM8350_LDO_1, + .ops = &wm8350_ldo_ops, + .irq = WM8350_IRQ_UV_LDO1, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO2", + .id = WM8350_LDO_2, + .ops = &wm8350_ldo_ops, + .irq = WM8350_IRQ_UV_LDO2, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO3", + .id = WM8350_LDO_3, + .ops = &wm8350_ldo_ops, + .irq = WM8350_IRQ_UV_LDO3, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "LDO4", + .id = WM8350_LDO_4, + .ops = &wm8350_ldo_ops, + .irq = WM8350_IRQ_UV_LDO4, + .type = REGULATOR_VOLTAGE, + .owner = THIS_MODULE, + }, + { + .name = "ISINKA", + .id = WM8350_ISINK_A, + .ops = &wm8350_isink_ops, + .irq = WM8350_IRQ_CS1, + .type = REGULATOR_CURRENT, + .owner = THIS_MODULE, + }, + { + .name = "ISINKB", + .id = WM8350_ISINK_B, + .ops = &wm8350_isink_ops, + .irq = WM8350_IRQ_CS2, + .type = REGULATOR_CURRENT, + .owner = THIS_MODULE, + }, +}; + +static void pmic_uv_handler(struct wm8350 *wm8350, int irq, void *data) +{ + struct regulator_dev *rdev = (struct regulator_dev *)data; + + if (irq == WM8350_IRQ_CS1 || irq == WM8350_IRQ_CS2) + regulator_notifier_call_chain(rdev, + REGULATOR_EVENT_REGULATION_OUT, + wm8350); + else + regulator_notifier_call_chain(rdev, + REGULATOR_EVENT_UNDER_VOLTAGE, + wm8350); +} + +static int wm8350_regulator_probe(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev); + struct regulator_dev *rdev; + int ret; + u16 val; + + if (pdev->id < WM8350_DCDC_1 || pdev->id > WM8350_ISINK_B) + return -ENODEV; + + /* do any regulatior specific init */ + switch (pdev->id) { + case WM8350_DCDC_1: + val = wm8350_reg_read(wm8350, WM8350_DCDC1_LOW_POWER); + wm8350->pmic.dcdc1_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + break; + case WM8350_DCDC_3: + val = wm8350_reg_read(wm8350, WM8350_DCDC3_LOW_POWER); + wm8350->pmic.dcdc3_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + break; + case WM8350_DCDC_4: + val = wm8350_reg_read(wm8350, WM8350_DCDC4_LOW_POWER); + wm8350->pmic.dcdc4_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + break; + case WM8350_DCDC_6: + val = wm8350_reg_read(wm8350, WM8350_DCDC6_LOW_POWER); + wm8350->pmic.dcdc6_hib_mode = val & WM8350_DCDC_HIB_MODE_MASK; + break; + } + + + /* register regulator */ + rdev = regulator_register(&wm8350_reg[pdev->id], &pdev->dev, + dev_get_drvdata(&pdev->dev)); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register %s\n", + wm8350_reg[pdev->id].name); + return PTR_ERR(rdev); + } + + /* register regulator IRQ */ + ret = wm8350_register_irq(wm8350, wm8350_reg[pdev->id].irq, + pmic_uv_handler, rdev); + if (ret < 0) { + regulator_unregister(rdev); + dev_err(&pdev->dev, "failed to register regulator %s IRQ\n", + wm8350_reg[pdev->id].name); + return ret; + } + + wm8350_unmask_irq(wm8350, wm8350_reg[pdev->id].irq); + + return 0; +} + +static int wm8350_regulator_remove(struct platform_device *pdev) +{ + struct regulator_dev *rdev = platform_get_drvdata(pdev); + struct wm8350 *wm8350 = rdev_get_drvdata(rdev); + + wm8350_mask_irq(wm8350, wm8350_reg[pdev->id].irq); + wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq); + + regulator_unregister(rdev); + + return 0; +} + +int wm8350_register_regulator(struct wm8350 *wm8350, int reg, + struct regulator_init_data *initdata) +{ + struct platform_device *pdev; + int ret; + + if (wm8350->pmic.pdev[reg]) + return -EBUSY; + + pdev = platform_device_alloc("wm8350-regulator", reg); + if (!pdev) + return -ENOMEM; + + wm8350->pmic.pdev[reg] = pdev; + + initdata->driver_data = wm8350; + + pdev->dev.platform_data = initdata; + pdev->dev.parent = wm8350->dev; + platform_set_drvdata(pdev, wm8350); + + ret = platform_device_add(pdev); + + if (ret != 0) { + dev_err(wm8350->dev, "Failed to register regulator %d: %d\n", + reg, ret); + platform_device_del(pdev); + wm8350->pmic.pdev[reg] = NULL; + } + + return ret; +} +EXPORT_SYMBOL_GPL(wm8350_register_regulator); + +static struct platform_driver wm8350_regulator_driver = { + .probe = wm8350_regulator_probe, + .remove = wm8350_regulator_remove, + .driver = { + .name = "wm8350-regulator", + }, +}; + +static int __init wm8350_regulator_init(void) +{ + return platform_driver_register(&wm8350_regulator_driver); +} +subsys_initcall(wm8350_regulator_init); + +static void __exit wm8350_regulator_exit(void) +{ + platform_driver_unregister(&wm8350_regulator_driver); +} +module_exit(wm8350_regulator_exit); + +/* Module information */ +MODULE_AUTHOR("Liam Girdwood"); +MODULE_DESCRIPTION("WM8350 voltage and current regulator driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index d86d38260c6b..348101cb00dc 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -17,6 +17,8 @@ #include #include +#include + /* * Register values. */ @@ -570,6 +572,9 @@ struct wm8350 { struct mutex irq_mutex; /* IRQ table mutex */ struct wm8350_irq irq[WM8350_NUM_IRQ]; int chip_irq; + + /* Client devices */ + struct wm8350_pmic pmic; }; /** diff --git a/include/linux/mfd/wm8350/pmic.h b/include/linux/mfd/wm8350/pmic.h index 28d2fab27875..69b69e07f62f 100644 --- a/include/linux/mfd/wm8350/pmic.h +++ b/include/linux/mfd/wm8350/pmic.h @@ -696,4 +696,46 @@ #define NUM_WM8350_REGULATORS 12 +struct wm8350; +struct platform_device; +struct regulator_init_data; + +struct wm8350_pmic { + /* ISINK to DCDC mapping */ + int isink_A_dcdc; + int isink_B_dcdc; + + /* hibernate configs */ + u16 dcdc1_hib_mode; + u16 dcdc3_hib_mode; + u16 dcdc4_hib_mode; + u16 dcdc6_hib_mode; + + /* regulator devices */ + struct platform_device *pdev[NUM_WM8350_REGULATORS]; +}; + +int wm8350_register_regulator(struct wm8350 *wm8350, int reg, + struct regulator_init_data *initdata); + +/* + * Additional DCDC control not supported via regulator API + */ +int wm8350_dcdc_set_slot(struct wm8350 *wm8350, int dcdc, u16 start, + u16 stop, u16 fault); +int wm8350_dcdc25_set_mode(struct wm8350 *wm8350, int dcdc, u16 mode, + u16 ilim, u16 ramp, u16 feedback); + +/* + * Additional LDO control not supported via regulator API + */ +int wm8350_ldo_set_slot(struct wm8350 *wm8350, int ldo, u16 start, u16 stop); + +/* + * Additional ISINK control not supported via regulator API + */ +int wm8350_isink_set_flash(struct wm8350 *wm8350, int isink, u16 mode, + u16 trigger, u16 duration, u16 on_ramp, + u16 off_ramp, u16 drive); + #endif -- GitLab From 9201d38b97c7de1b8e6e40449745acf456cff437 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 10 Oct 2008 15:58:16 +0100 Subject: [PATCH 4492/6244] mfd: Add WM8350 subdevice registration helper Most of the subdevices for the WM8350 code are registered in the same fashion so factor out the code to do the initial registration. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 9a1a0b2b581e..cd1f76efed4e 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1130,6 +1130,32 @@ out: } EXPORT_SYMBOL_GPL(wm8350_create_cache); +/* + * Register a client device. This is non-fatal since there is no need to + * fail the entire device init due to a single platform device failing. + */ +static void wm8350_client_dev_register(struct wm8350 *wm8350, + const char *name, + struct platform_device **pdev) +{ + int ret; + + *pdev = platform_device_alloc(name, -1); + if (pdev == NULL) { + dev_err(wm8350->dev, "Failed to allocate %s\n", name); + return; + } + + (*pdev)->dev.parent = wm8350->dev; + platform_set_drvdata(*pdev, wm8350); + ret = platform_device_add(*pdev); + if (ret != 0) { + dev_err(wm8350->dev, "Failed to register %s: %d\n", name, ret); + platform_device_put(*pdev); + *pdev = NULL; + } +} + int wm8350_device_init(struct wm8350 *wm8350, int irq, struct wm8350_platform_data *pdata) { -- GitLab From 129eef96c9e25ce6516e2ddd5a338a14362b815b Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 27 Aug 2008 04:16:08 +0800 Subject: [PATCH 4493/6244] da903x: add regulator support for DA9030/DA9034 Signed-off-by: Eric Miao Signed-off-by: Mike Rapoport Signed-off-by: Liam Girdwood --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/da903x.c | 513 +++++++++++++++++++++++++++++++++++++ 3 files changed, 522 insertions(+) create mode 100644 drivers/regulator/da903x.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index a620023169bc..4dada6ee1119 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -72,4 +72,12 @@ config REGULATOR_WM8400 This driver provides support for the voltage regulators of the WM8400 AudioPlus PMIC. +config REGULATOR_DA903X + tristate "Support regulators on Dialog Semiconductor DA9030/DA9034 PMIC" + depends on PMIC_DA903X + select REGULATOR + help + Say y here to support the BUCKs and LDOs regulators found on + Dialog Semiconductor DA9030/DA9034 PMIC. + endmenu diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 0de39fe2eaea..254d40c02ee8 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -10,5 +10,6 @@ obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o +obj-$(CONFIG_REGULATOR_DA903X) += da903x.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c new file mode 100644 index 000000000000..3688e339db87 --- /dev/null +++ b/drivers/regulator/da903x.c @@ -0,0 +1,513 @@ +/* + * Regulators driver for Dialog Semiconductor DA903x + * + * Copyright (C) 2006-2008 Marvell International Ltd. + * Copyright (C) 2008 Compulab Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include + +/* DA9030 Registers */ +#define DA9030_INVAL (-1) +#define DA9030_LDO1011 (0x10) +#define DA9030_LDO15 (0x11) +#define DA9030_LDO1416 (0x12) +#define DA9030_LDO1819 (0x13) +#define DA9030_LDO17 (0x14) +#define DA9030_BUCK2DVM1 (0x15) +#define DA9030_BUCK2DVM2 (0x16) +#define DA9030_RCTL11 (0x17) +#define DA9030_RCTL21 (0x18) +#define DA9030_LDO1 (0x90) +#define DA9030_LDO23 (0x91) +#define DA9030_LDO45 (0x92) +#define DA9030_LDO6 (0x93) +#define DA9030_LDO78 (0x94) +#define DA9030_LDO912 (0x95) +#define DA9030_BUCK (0x96) +#define DA9030_RCTL12 (0x97) +#define DA9030_RCTL22 (0x98) +#define DA9030_LDO_UNLOCK (0xa0) +#define DA9030_LDO_UNLOCK_MASK (0xe0) +#define DA9034_OVER1 (0x10) + +/* DA9034 Registers */ +#define DA9034_INVAL (-1) +#define DA9034_OVER2 (0x11) +#define DA9034_OVER3 (0x12) +#define DA9034_LDO643 (0x13) +#define DA9034_LDO987 (0x14) +#define DA9034_LDO1110 (0x15) +#define DA9034_LDO1312 (0x16) +#define DA9034_LDO1514 (0x17) +#define DA9034_VCC1 (0x20) +#define DA9034_ADTV1 (0x23) +#define DA9034_ADTV2 (0x24) +#define DA9034_AVRC (0x25) +#define DA9034_CDTV1 (0x26) +#define DA9034_CDTV2 (0x27) +#define DA9034_CVRC (0x28) +#define DA9034_SDTV1 (0x29) +#define DA9034_SDTV2 (0x2a) +#define DA9034_SVRC (0x2b) +#define DA9034_MDTV1 (0x32) +#define DA9034_MDTV2 (0x33) +#define DA9034_MVRC (0x34) + +struct da903x_regulator_info { + struct regulator_desc desc; + + int min_uV; + int max_uV; + int step_uV; + int vol_reg; + int vol_shift; + int vol_nbits; + int update_reg; + int update_bit; + int enable_reg; + int enable_bit; +}; + +static inline int check_range(struct da903x_regulator_info *info, + int min_uV, int max_uV) +{ + if (min_uV < info->min_uV || min_uV > info->max_uV) + return -EINVAL; + + return 0; +} + +/* DA9030/DA9034 common operations */ +static int da903x_set_ldo_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV", min_uV, max_uV); + return -EINVAL; + } + + val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; + val <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + return da903x_update(da9034_dev, info->vol_reg, val, mask); +} + +static int da903x_get_voltage(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int ret; + + ret = da903x_read(da9034_dev, info->vol_reg, &val); + if (ret) + return ret; + + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + val = (val & mask) >> info->vol_shift; + + return info->min_uV + info->step_uV * val; +} + +static int da903x_enable(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + + return da903x_set_bits(da9034_dev, info->enable_reg, + 1 << info->enable_bit); +} + +static int da903x_disable(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + + return da903x_clr_bits(da9034_dev, info->enable_reg, + 1 << info->enable_bit); +} + +static int da903x_is_enabled(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t reg_val; + int ret; + + ret = da903x_read(da9034_dev, info->enable_reg, ®_val); + if (ret) + return ret; + + return reg_val & (1 << info->enable_bit); +} + +/* DA9030 specific operations */ +static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da903x_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int ret; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV", min_uV, max_uV); + return -EINVAL; + } + + val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; + val <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + val |= DA9030_LDO_UNLOCK; /* have to set UNLOCK bits */ + mask |= DA9030_LDO_UNLOCK_MASK; + + /* write twice */ + ret = da903x_update(da903x_dev, info->vol_reg, val, mask); + if (ret) + return ret; + + return da903x_update(da903x_dev, info->vol_reg, val, mask); +} + +static int da9030_set_ldo14_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da903x_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int thresh; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV", min_uV, max_uV); + return -EINVAL; + } + + thresh = (info->max_uV + info->min_uV) / 2; + if (min_uV < thresh) { + val = (thresh - min_uV + info->step_uV - 1) / info->step_uV; + val |= 0x4; + } else { + val = (min_uV - thresh + info->step_uV - 1) / info->step_uV; + } + + val <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + return da903x_update(da903x_dev, info->vol_reg, val, mask); +} + +static int da9030_get_ldo14_voltage(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da903x_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int ret; + + ret = da903x_read(da903x_dev, info->vol_reg, &val); + if (ret) + return ret; + + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + val = (val & mask) >> info->vol_shift; + + if (val & 0x4) + return info->min_uV + info->step_uV * (3 - (val & ~0x4)); + else + return (info->max_uV + info->min_uV) / 2 + + info->step_uV * (val & ~0x4); +} + +/* DA9034 specific operations */ +static int da9034_set_dvc_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int ret; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV", min_uV, max_uV); + return -EINVAL; + } + + val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; + val <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + ret = da903x_update(da9034_dev, info->vol_reg, val, mask); + if (ret) + return ret; + + ret = da903x_set_bits(da9034_dev, info->update_reg, + 1 << info->update_bit); + return ret; +} + +static int da9034_set_ldo12_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + + if (check_range(info, min_uV, max_uV)) { + pr_err("invalid voltage range (%d, %d) uV", min_uV, max_uV); + return -EINVAL; + } + + val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV; + val = (val > 7 || val < 20) ? 8 : val - 12; + val <<= info->vol_shift; + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + + return da903x_update(da9034_dev, info->vol_reg, val, mask); +} + +static int da9034_get_ldo12_voltage(struct regulator_dev *rdev) +{ + struct da903x_regulator_info *info = rdev_get_drvdata(rdev); + struct device *da9034_dev = rdev_get_dev(rdev)->parent; + uint8_t val, mask; + int ret; + + ret = da903x_read(da9034_dev, info->vol_reg, &val); + if (ret) + return ret; + + mask = ((1 << info->vol_nbits) - 1) << info->vol_shift; + val = (val & mask) >> info->vol_shift; + + if (val >= 8) + return 2700000 + info->step_uV * (val - 8); + + return info->min_uV + info->step_uV * val; +} + +static struct regulator_ops da903x_regulator_ldo_ops = { + .set_voltage = da903x_set_ldo_voltage, + .get_voltage = da903x_get_voltage, + .enable = da903x_enable, + .disable = da903x_disable, + .is_enabled = da903x_is_enabled, +}; + +/* NOTE: this is dedicated for the insane DA9030 LDO14 */ +static struct regulator_ops da9030_regulator_ldo14_ops = { + .set_voltage = da9030_set_ldo14_voltage, + .get_voltage = da9030_get_ldo14_voltage, + .enable = da903x_enable, + .disable = da903x_disable, + .is_enabled = da903x_is_enabled, +}; + +/* NOTE: this is dedicated for the DA9030 LDO1 and LDO15 that have locks */ +static struct regulator_ops da9030_regulator_ldo1_15_ops = { + .set_voltage = da9030_set_ldo1_15_voltage, + .get_voltage = da903x_get_voltage, + .enable = da903x_enable, + .disable = da903x_disable, + .is_enabled = da903x_is_enabled, +}; + +static struct regulator_ops da9034_regulator_dvc_ops = { + .set_voltage = da9034_set_dvc_voltage, + .get_voltage = da903x_get_voltage, + .enable = da903x_enable, + .disable = da903x_disable, + .is_enabled = da903x_is_enabled, +}; + +/* NOTE: this is dedicated for the insane LDO12 */ +static struct regulator_ops da9034_regulator_ldo12_ops = { + .set_voltage = da9034_set_ldo12_voltage, + .get_voltage = da9034_get_ldo12_voltage, + .enable = da903x_enable, + .disable = da903x_disable, + .is_enabled = da903x_is_enabled, +}; + +#define DA903x_LDO(_pmic, _id, min, max, step, vreg, shift, nbits, ereg, ebit) \ +{ \ + .desc = { \ + .name = "LDO" #_id, \ + .ops = &da903x_regulator_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = _pmic##_ID_LDO##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = (min) * 1000, \ + .max_uV = (max) * 1000, \ + .step_uV = (step) * 1000, \ + .vol_reg = _pmic##_##vreg, \ + .vol_shift = (shift), \ + .vol_nbits = (nbits), \ + .enable_reg = _pmic##_##ereg, \ + .enable_bit = (ebit), \ +} + +#define DA9034_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ +{ \ + .desc = { \ + .name = #_id, \ + .ops = &da9034_regulator_dvc_ops, \ + .type = REGULATOR_VOLTAGE, \ + .id = DA9034_ID_##_id, \ + .owner = THIS_MODULE, \ + }, \ + .min_uV = (min) * 1000, \ + .max_uV = (max) * 1000, \ + .step_uV = (step) * 1000, \ + .vol_reg = DA9034_##vreg, \ + .vol_shift = (0), \ + .vol_nbits = (nbits), \ + .update_reg = DA9034_##ureg, \ + .update_bit = (ubit), \ + .enable_reg = DA9034_##ereg, \ + .enable_bit = (ebit), \ +} + +#define DA9034_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ + DA903x_LDO(DA9034, _id, min, max, step, vreg, shift, nbits, ereg, ebit) + +#define DA9030_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ + DA903x_LDO(DA9030, _id, min, max, step, vreg, shift, nbits, ereg, ebit) + +static struct da903x_regulator_info da903x_regulator_info[] = { + /* DA9030 */ + DA9030_LDO( 1, 1200, 3200, 100, LDO1, 0, 5, RCTL12, 1), + DA9030_LDO( 2, 1800, 3200, 100, LDO23, 0, 4, RCTL12, 2), + DA9030_LDO( 3, 1800, 3200, 100, LDO23, 4, 4, RCTL12, 3), + DA9030_LDO( 4, 1800, 3200, 100, LDO45, 0, 4, RCTL12, 4), + DA9030_LDO( 5, 1800, 3200, 100, LDO45, 4, 4, RCTL12, 5), + DA9030_LDO( 6, 1800, 3200, 100, LDO6, 0, 4, RCTL12, 6), + DA9030_LDO( 7, 1800, 3200, 100, LDO78, 0, 4, RCTL12, 7), + DA9030_LDO( 8, 1800, 3200, 100, LDO78, 4, 4, RCTL22, 0), + DA9030_LDO( 9, 1800, 3200, 100, LDO912, 0, 4, RCTL22, 1), + DA9030_LDO(10, 1800, 3200, 100, LDO1011, 0, 4, RCTL22, 2), + DA9030_LDO(11, 1800, 3200, 100, LDO1011, 4, 4, RCTL22, 3), + DA9030_LDO(12, 1800, 3200, 100, LDO912, 4, 4, RCTL22, 4), + DA9030_LDO(14, 2760, 2940, 30, LDO1416, 0, 3, RCTL11, 4), + DA9030_LDO(15, 1100, 2650, 50, LDO15, 0, 5, RCTL11, 5), + DA9030_LDO(16, 1100, 2650, 50, LDO1416, 3, 5, RCTL11, 6), + DA9030_LDO(17, 1800, 3200, 100, LDO17, 0, 4, RCTL11, 7), + DA9030_LDO(18, 1800, 3200, 100, LDO1819, 0, 4, RCTL21, 2), + DA9030_LDO(19, 1800, 3200, 100, LDO1819, 4, 4, RCTL21, 1), + DA9030_LDO(13, 2100, 2100, 0, INVAL, 0, 0, RCTL11, 3), /* fixed @2.1V */ + + /* DA9034 */ + DA9034_DVC(BUCK1, 725, 1500, 25, ADTV1, 5, VCC1, 0, OVER1, 0), + DA9034_DVC(BUCK2, 725, 1500, 25, CDTV1, 5, VCC1, 2, OVER1, 1), + DA9034_DVC(LDO2, 725, 1500, 25, SDTV1, 5, VCC1, 4, OVER1, 2), + DA9034_DVC(LDO1, 1700, 2075, 25, MDTV1, 4, VCC1, 6, OVER3, 4), + + DA9034_LDO( 3, 1800, 3300, 100, LDO643, 0, 4, OVER3, 5), + DA9034_LDO( 4, 1800, 2900,1100, LDO643, 4, 1, OVER3, 6), + DA9034_LDO( 6, 2500, 2850, 50, LDO643, 5, 3, OVER2, 0), + DA9034_LDO( 7, 2700, 3050, 50, LDO987, 0, 3, OVER2, 1), + DA9034_LDO( 8, 2700, 2850, 50, LDO987, 3, 2, OVER2, 2), + DA9034_LDO( 9, 2700, 3050, 50, LDO987, 5, 3, OVER2, 3), + DA9034_LDO(10, 2700, 3050, 50, LDO1110, 0, 3, OVER2, 4), + DA9034_LDO(11, 1800, 3300, 100, LDO1110, 4, 4, OVER2, 5), + DA9034_LDO(12, 1700, 3050, 50, LDO1312, 0, 4, OVER3, 6), + DA9034_LDO(13, 1800, 3300, 100, LDO1312, 4, 4, OVER2, 7), + DA9034_LDO(14, 1800, 3300, 100, LDO1514, 0, 4, OVER3, 0), + DA9034_LDO(15, 1800, 3300, 100, LDO1514, 4, 4, OVER3, 1), + DA9034_LDO(5, 3100, 3100, 0, INVAL, 0, 0, OVER3, 7), /* fixed @3.1V */ +}; + +static inline struct da903x_regulator_info *find_regulator_info(int id) +{ + struct da903x_regulator_info *ri; + int i; + + for (i = 0; i < ARRAY_SIZE(da903x_regulator_info); i++) { + ri = &da903x_regulator_info[i]; + if (ri->desc.id == id) + return ri; + } + return NULL; +} + +static int __devinit da903x_regulator_probe(struct platform_device *pdev) +{ + struct da903x_regulator_info *ri = NULL; + struct regulator_dev *rdev; + + ri = find_regulator_info(pdev->id); + if (ri == NULL) { + dev_err(&pdev->dev, "invalid regulator ID specified\n"); + return -EINVAL; + } + + /* Workaround for the weird LDO12 voltage setting */ + if (ri->desc.id == DA9034_ID_LDO12) + ri->desc.ops = &da9034_regulator_ldo12_ops; + + if (ri->desc.id == DA9030_ID_LDO14) + ri->desc.ops = &da9030_regulator_ldo14_ops; + + if (ri->desc.id == DA9030_ID_LDO1 || ri->desc.id == DA9030_ID_LDO15) + ri->desc.ops = &da9030_regulator_ldo1_15_ops; + + rdev = regulator_register(&ri->desc, pdev->dev.parent, ri); + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "failed to register regulator %s\n", + ri->desc.name); + return PTR_ERR(rdev); + } + + platform_set_drvdata(pdev, rdev); + return 0; +} + +static int __devexit da903x_regulator_remove(struct platform_device *pdev) +{ + struct regulator_dev *rdev = platform_get_drvdata(pdev); + + regulator_unregister(rdev); + return 0; +} + +static struct platform_driver da903x_regulator_driver = { + .driver = { + .name = "da903x-regulator", + .owner = THIS_MODULE, + }, + .probe = da903x_regulator_probe, + .remove = da903x_regulator_remove, +}; + +static int __init da903x_regulator_init(void) +{ + return platform_driver_register(&da903x_regulator_driver); +} +module_init(da903x_regulator_init); + +static void __exit da903x_regulator_exit(void) +{ + platform_driver_unregister(&da903x_regulator_driver); +} +module_exit(da903x_regulator_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Eric Miao " + "Mike Rapoport "); +MODULE_DESCRIPTION("Regulator Driver for Dialog Semiconductor DA903X PMIC"); +MODULE_ALIAS("platform:da903x-regulator"); -- GitLab From add41cb46175618fd42bc1ca07fe7f9dd38bf702 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 13 Oct 2008 15:45:22 +0100 Subject: [PATCH 4494/6244] mfd: Add placeholders for WM8350 client devices In order to avoid merge problems further down the line add placeholders for several of the WM8350 client devices and register them, otherwise the patches adding the client devices will all try to update the same code. Also remove redundant checks for null regulator platform devices while we're at it. Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 18 ++++++++++++++++-- include/linux/mfd/wm8350/audio.h | 6 ++++++ include/linux/mfd/wm8350/core.h | 10 ++++++++++ include/linux/mfd/wm8350/gpio.h | 6 ++++++ include/linux/mfd/wm8350/rtc.h | 6 ++++++ include/linux/mfd/wm8350/supply.h | 6 ++++++ include/linux/mfd/wm8350/wdt.h | 8 +++++++- 7 files changed, 57 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index cd1f76efed4e..382e38c66914 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1234,6 +1234,15 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0); + wm8350_client_dev_register(wm8350, "wm8350-codec", + &(wm8350->codec.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-gpio", + &(wm8350->gpio.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-power", + &(wm8350->power.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-wdt", &(wm8350->wdt.pdev)); + return 0; err: @@ -1247,8 +1256,13 @@ void wm8350_device_exit(struct wm8350 *wm8350) int i; for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++) - if (wm8350->pmic.pdev[i] != NULL) - platform_device_unregister(wm8350->pmic.pdev[i]); + platform_device_unregister(wm8350->pmic.pdev[i]); + + platform_device_unregister(wm8350->wdt.pdev); + platform_device_unregister(wm8350->rtc.pdev); + platform_device_unregister(wm8350->power.pdev); + platform_device_unregister(wm8350->gpio.pdev); + platform_device_unregister(wm8350->codec.pdev); free_irq(wm8350->chip_irq, wm8350); flush_work(&wm8350->irq_work); diff --git a/include/linux/mfd/wm8350/audio.h b/include/linux/mfd/wm8350/audio.h index 43342f767112..217bb22ebb8e 100644 --- a/include/linux/mfd/wm8350/audio.h +++ b/include/linux/mfd/wm8350/audio.h @@ -13,6 +13,8 @@ #ifndef __LINUX_MFD_WM8350_AUDIO_H_ #define __LINUX_MFD_WM8350_AUDIO_H_ +#include + #define WM8350_CLOCK_CONTROL_1 0x28 #define WM8350_CLOCK_CONTROL_2 0x29 #define WM8350_FLL_CONTROL_1 0x2A @@ -589,4 +591,8 @@ #define WM8350_IRQ_CODEC_MICSCD 41 #define WM8350_IRQ_CODEC_MICD 42 +struct wm8350_codec { + struct platform_device *pdev; +}; + #endif diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 348101cb00dc..6ebf97f2a475 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -17,7 +17,12 @@ #include #include +#include +#include #include +#include +#include +#include /* * Register values. @@ -574,7 +579,12 @@ struct wm8350 { int chip_irq; /* Client devices */ + struct wm8350_codec codec; + struct wm8350_gpio gpio; struct wm8350_pmic pmic; + struct wm8350_power power; + struct wm8350_rtc rtc; + struct wm8350_wdt wdt; }; /** diff --git a/include/linux/mfd/wm8350/gpio.h b/include/linux/mfd/wm8350/gpio.h index c6cd2ca8854a..ed91e8f5d298 100644 --- a/include/linux/mfd/wm8350/gpio.h +++ b/include/linux/mfd/wm8350/gpio.h @@ -13,6 +13,8 @@ #ifndef __LINUX_MFD_WM8350_GPIO_H_ #define __LINUX_MFD_WM8350_GPIO_H_ +#include + /* * GPIO Registers. */ @@ -328,6 +330,10 @@ struct wm8350; int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, int pol, int pull, int invert, int debounce); +struct wm8350_gpio { + struct platform_device *pdev; +}; + /* * GPIO Interrupts */ diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h index cb337ea8082f..dfda69e9f440 100644 --- a/include/linux/mfd/wm8350/rtc.h +++ b/include/linux/mfd/wm8350/rtc.h @@ -12,6 +12,8 @@ #ifndef __LINUX_MFD_WM8350_RTC_H #define __LINUX_MFD_WM8350_RTC_H +#include + /* * Register values. */ @@ -257,4 +259,8 @@ #define WM8350_IRQ_RTC_SEC 8 #define WM8350_IRQ_RTC_ALM 9 +struct wm8350_rtc { + struct platform_device *pdev; +}; + #endif diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h index f1d4317cf022..1c8f3cde79b0 100644 --- a/include/linux/mfd/wm8350/supply.h +++ b/include/linux/mfd/wm8350/supply.h @@ -13,6 +13,8 @@ #ifndef __LINUX_MFD_WM8350_SUPPLY_H_ #define __LINUX_MFD_WM8350_SUPPLY_H_ +#include + /* * Charger registers */ @@ -102,4 +104,8 @@ #define WM8350_IRQ_EXT_WALL_FB 37 #define WM8350_IRQ_EXT_BAT_FB 38 +struct wm8350_power { + struct platform_device *pdev; +}; + #endif diff --git a/include/linux/mfd/wm8350/wdt.h b/include/linux/mfd/wm8350/wdt.h index 72fc9f554569..f6135b5e5ef4 100644 --- a/include/linux/mfd/wm8350/wdt.h +++ b/include/linux/mfd/wm8350/wdt.h @@ -1,7 +1,7 @@ /* * wdt.h -- Watchdog Driver for Wolfson WM8350 PMIC * - * Copyright 2007 Wolfson Microelectronics PLC + * Copyright 2007, 2008 Wolfson Microelectronics PLC * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -12,6 +12,8 @@ #ifndef __LINUX_MFD_WM8350_WDT_H_ #define __LINUX_MFD_WM8350_WDT_H_ +#include + #define WM8350_WDOG_HIB_MODE 0x0080 #define WM8350_WDOG_DEBUG 0x0040 #define WM8350_WDOG_MODE_MASK 0x0030 @@ -19,4 +21,8 @@ #define WM8350_IRQ_SYS_WDOG_TO 24 +struct wm8350_wdt { + struct platform_device *pdev; +}; + #endif -- GitLab From caf1859199e4360ffa826179bc0e881b0348f3ce Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 13 Oct 2008 15:45:23 +0100 Subject: [PATCH 4495/6244] mfd: Fix warning in WM8350 Signed-off-by: Mark Brown Acked-by: Samuel Ortiz Signed-off-by: Liam Girdwood --- drivers/mfd/wm8350-core.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 382e38c66914..25a7a5d08bce 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1161,7 +1161,6 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, { int ret = -EINVAL; u16 id1, id2, mask, mode; - int i; /* get WM8350 revision and config mode */ wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1); -- GitLab From 53da4939f349d4edd283b043219221ca5b78e4d4 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 21 Jul 2008 14:29:16 -0700 Subject: [PATCH 4496/6244] ocfs2: POSIX file locks support This is actually pretty easy since fs/dlm already handles the bulk of the work. The Ocfs2 userspace cluster stack module already uses fs/dlm as the underlying lock manager, so I only had to add the right calls. Cluster-aware POSIX locks ("plocks") can be turned off by the same means at UNIX locks - mount with 'noflocks', or create a local-only Ocfs2 volume. Internally, the file system uses two sets of file_operations, depending on whether cluster aware plocks is required. This turns out to be easier than implementing local-only versions of ->lock. Signed-off-by: Mark Fasheh --- fs/ocfs2/file.c | 51 +++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/file.h | 2 ++ fs/ocfs2/inode.c | 15 +++++++++++-- fs/ocfs2/locks.c | 15 +++++++++++++ fs/ocfs2/locks.h | 1 + fs/ocfs2/stack_user.c | 33 ++++++++++++++++++++++++++++ fs/ocfs2/stackglue.c | 20 +++++++++++++++++ fs/ocfs2/stackglue.h | 19 ++++++++++++++++ 8 files changed, 154 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index ed38796052d2..1015ef16a8bf 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -2237,6 +2237,10 @@ const struct inode_operations ocfs2_special_file_iops = { .permission = ocfs2_permission, }; +/* + * Other than ->lock, keep ocfs2_fops and ocfs2_dops in sync with + * ocfs2_fops_no_plocks and ocfs2_dops_no_plocks! + */ const struct file_operations ocfs2_fops = { .llseek = generic_file_llseek, .read = do_sync_read, @@ -2251,6 +2255,7 @@ const struct file_operations ocfs2_fops = { #ifdef CONFIG_COMPAT .compat_ioctl = ocfs2_compat_ioctl, #endif + .lock = ocfs2_lock, .flock = ocfs2_flock, .splice_read = ocfs2_file_splice_read, .splice_write = ocfs2_file_splice_write, @@ -2266,6 +2271,52 @@ const struct file_operations ocfs2_dops = { .unlocked_ioctl = ocfs2_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = ocfs2_compat_ioctl, +#endif + .lock = ocfs2_lock, + .flock = ocfs2_flock, +}; + +/* + * POSIX-lockless variants of our file_operations. + * + * These will be used if the underlying cluster stack does not support + * posix file locking, if the user passes the "localflocks" mount + * option, or if we have a local-only fs. + * + * ocfs2_flock is in here because all stacks handle UNIX file locks, + * so we still want it in the case of no stack support for + * plocks. Internally, it will do the right thing when asked to ignore + * the cluster. + */ +const struct file_operations ocfs2_fops_no_plocks = { + .llseek = generic_file_llseek, + .read = do_sync_read, + .write = do_sync_write, + .mmap = ocfs2_mmap, + .fsync = ocfs2_sync_file, + .release = ocfs2_file_release, + .open = ocfs2_file_open, + .aio_read = ocfs2_file_aio_read, + .aio_write = ocfs2_file_aio_write, + .unlocked_ioctl = ocfs2_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ocfs2_compat_ioctl, +#endif + .flock = ocfs2_flock, + .splice_read = ocfs2_file_splice_read, + .splice_write = ocfs2_file_splice_write, +}; + +const struct file_operations ocfs2_dops_no_plocks = { + .llseek = generic_file_llseek, + .read = generic_read_dir, + .readdir = ocfs2_readdir, + .fsync = ocfs2_sync_file, + .release = ocfs2_dir_release, + .open = ocfs2_dir_open, + .unlocked_ioctl = ocfs2_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ocfs2_compat_ioctl, #endif .flock = ocfs2_flock, }; diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index 1e27b4d017ea..5a6d3e48e4ba 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -28,6 +28,8 @@ extern const struct file_operations ocfs2_fops; extern const struct file_operations ocfs2_dops; +extern const struct file_operations ocfs2_fops_no_plocks; +extern const struct file_operations ocfs2_dops_no_plocks; extern const struct inode_operations ocfs2_file_iops; extern const struct inode_operations ocfs2_special_file_iops; struct ocfs2_alloc_context; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7e9e4c79aec7..99f012a0f207 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -219,6 +219,7 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, struct super_block *sb; struct ocfs2_super *osb; int status = -EINVAL; + int use_plocks = 1; mlog_entry("(0x%p, size:%llu)\n", inode, (unsigned long long)le64_to_cpu(fe->i_size)); @@ -226,6 +227,10 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, sb = inode->i_sb; osb = OCFS2_SB(sb); + if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) || + ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks()) + use_plocks = 0; + /* this means that read_inode cannot create a superblock inode * today. change if needed. */ if (!OCFS2_IS_VALID_DINODE(fe) || @@ -295,13 +300,19 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, switch (inode->i_mode & S_IFMT) { case S_IFREG: - inode->i_fop = &ocfs2_fops; + if (use_plocks) + inode->i_fop = &ocfs2_fops; + else + inode->i_fop = &ocfs2_fops_no_plocks; inode->i_op = &ocfs2_file_iops; i_size_write(inode, le64_to_cpu(fe->i_size)); break; case S_IFDIR: inode->i_op = &ocfs2_dir_iops; - inode->i_fop = &ocfs2_dops; + if (use_plocks) + inode->i_fop = &ocfs2_dops; + else + inode->i_fop = &ocfs2_dops_no_plocks; i_size_write(inode, le64_to_cpu(fe->i_size)); break; case S_IFLNK: diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c index 203f87143877..544ac6245175 100644 --- a/fs/ocfs2/locks.c +++ b/fs/ocfs2/locks.c @@ -24,6 +24,7 @@ */ #include +#include #define MLOG_MASK_PREFIX ML_INODE #include @@ -32,6 +33,7 @@ #include "dlmglue.h" #include "file.h" +#include "inode.h" #include "locks.h" static int ocfs2_do_flock(struct file *file, struct inode *inode, @@ -123,3 +125,16 @@ int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl) else return ocfs2_do_flock(file, inode, cmd, fl); } + +int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl) +{ + struct inode *inode = file->f_mapping->host; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (!(fl->fl_flags & FL_POSIX)) + return -ENOLCK; + if (__mandatory_lock(inode)) + return -ENOLCK; + + return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl); +} diff --git a/fs/ocfs2/locks.h b/fs/ocfs2/locks.h index 9743ef2324ec..496d488b271f 100644 --- a/fs/ocfs2/locks.h +++ b/fs/ocfs2/locks.h @@ -27,5 +27,6 @@ #define OCFS2_LOCKS_H int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl); +int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl); #endif /* OCFS2_LOCKS_H */ diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c index 353fc35c6748..faec2d879357 100644 --- a/fs/ocfs2/stack_user.c +++ b/fs/ocfs2/stack_user.c @@ -28,6 +28,7 @@ #include "ocfs2.h" /* For struct ocfs2_lock_res */ #include "stackglue.h" +#include /* * The control protocol starts with a handshake. Until the handshake @@ -746,6 +747,37 @@ static void user_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb) { } +static int user_plock(struct ocfs2_cluster_connection *conn, + u64 ino, + struct file *file, + int cmd, + struct file_lock *fl) +{ + /* + * This more or less just demuxes the plock request into any + * one of three dlm calls. + * + * Internally, fs/dlm will pass these to a misc device, which + * a userspace daemon will read and write to. + * + * For now, cancel requests (which happen internally only), + * are turned into unlocks. Most of this function taken from + * gfs2_lock. + */ + + if (cmd == F_CANCELLK) { + cmd = F_SETLK; + fl->fl_type = F_UNLCK; + } + + if (IS_GETLK(cmd)) + return dlm_posix_get(conn->cc_lockspace, ino, file, fl); + else if (fl->fl_type == F_UNLCK) + return dlm_posix_unlock(conn->cc_lockspace, ino, file, fl); + else + return dlm_posix_lock(conn->cc_lockspace, ino, file, cmd, fl); +} + /* * Compare a requested locking protocol version against the current one. * @@ -839,6 +871,7 @@ static struct ocfs2_stack_operations ocfs2_user_plugin_ops = { .dlm_unlock = user_dlm_unlock, .lock_status = user_dlm_lock_status, .lock_lvb = user_dlm_lvb, + .plock = user_plock, .dump_lksb = user_dlm_dump_lksb, }; diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c index 07f348b8d721..7150f5dce957 100644 --- a/fs/ocfs2/stackglue.c +++ b/fs/ocfs2/stackglue.c @@ -288,6 +288,26 @@ void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb) } EXPORT_SYMBOL_GPL(ocfs2_dlm_dump_lksb); +int ocfs2_stack_supports_plocks(void) +{ + return !!(active_stack && active_stack->sp_ops->plock); +} +EXPORT_SYMBOL_GPL(ocfs2_stack_supports_plocks); + +/* + * ocfs2_plock() can only be safely called if + * ocfs2_stack_supports_plocks() returned true + */ +int ocfs2_plock(struct ocfs2_cluster_connection *conn, u64 ino, + struct file *file, int cmd, struct file_lock *fl) +{ + WARN_ON_ONCE(active_stack->sp_ops->plock == NULL); + if (active_stack->sp_ops->plock) + return active_stack->sp_ops->plock(conn, ino, file, cmd, fl); + return -EOPNOTSUPP; +} +EXPORT_SYMBOL_GPL(ocfs2_plock); + int ocfs2_cluster_connect(const char *stack_name, const char *group, int grouplen, diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h index db56281dd1be..c571af375ef8 100644 --- a/fs/ocfs2/stackglue.h +++ b/fs/ocfs2/stackglue.h @@ -28,6 +28,10 @@ #include "dlm/dlmapi.h" #include +/* Needed for plock-related prototypes */ +struct file; +struct file_lock; + /* * dlmconstants.h does not have a LOCAL flag. We hope to remove it * some day, but right now we need it. Let's fake it. This value is larger @@ -186,6 +190,17 @@ struct ocfs2_stack_operations { */ void *(*lock_lvb)(union ocfs2_dlm_lksb *lksb); + /* + * Cluster-aware posix locks + * + * This is NULL for stacks which do not support posix locks. + */ + int (*plock)(struct ocfs2_cluster_connection *conn, + u64 ino, + struct file *file, + int cmd, + struct file_lock *fl); + /* * This is an optoinal debugging hook. If provided, the * stack can dump debugging information about this lock. @@ -240,6 +255,10 @@ int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb); void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb); void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb); +int ocfs2_stack_supports_plocks(void); +int ocfs2_plock(struct ocfs2_cluster_connection *conn, u64 ino, + struct file *file, int cmd, struct file_lock *fl); + void ocfs2_stack_glue_set_locking_protocol(struct ocfs2_locking_protocol *proto); -- GitLab From ebcee4b5c9136096f64ee6f691a013d7c0a4bc34 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 28 Jul 2008 14:55:20 -0700 Subject: [PATCH 4497/6244] ocfs2: Track local alloc bits internally Do this instead of tracking absolute local alloc size. This avoids needless re-calculatiion of bits from bytes in localalloc.c. Additionally, the value is now in a more natural unit for internal file system bitmap work. Signed-off-by: Mark Fasheh --- fs/ocfs2/localalloc.c | 34 ++++++++++++---------------------- fs/ocfs2/ocfs2.h | 10 +++++++++- fs/ocfs2/super.c | 8 +++++--- 3 files changed, 26 insertions(+), 26 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 28e492e4ec88..b05ce6642919 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -47,8 +47,6 @@ #define OCFS2_LOCAL_ALLOC(dinode) (&((dinode)->id2.i_lab)) -static inline int ocfs2_local_alloc_window_bits(struct ocfs2_super *osb); - static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc); static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb, @@ -75,21 +73,13 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, struct inode *local_alloc_inode); -static inline int ocfs2_local_alloc_window_bits(struct ocfs2_super *osb) -{ - BUG_ON(osb->s_clustersize_bits > 20); - - /* Size local alloc windows by the megabyte */ - return osb->local_alloc_size << (20 - osb->s_clustersize_bits); -} - /* * Tell us whether a given allocation should use the local alloc * file. Otherwise, it has to go to the main bitmap. */ int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, u64 bits) { - int la_bits = ocfs2_local_alloc_window_bits(osb); + int la_bits = osb->local_alloc_bits; int ret = 0; if (osb->local_alloc_state != OCFS2_LA_ENABLED) @@ -120,14 +110,16 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) mlog_entry_void(); - if (osb->local_alloc_size == 0) + if (osb->local_alloc_bits == 0) goto bail; - if (ocfs2_local_alloc_window_bits(osb) >= osb->bitmap_cpg) { + if (osb->local_alloc_bits >= osb->bitmap_cpg) { mlog(ML_NOTICE, "Requested local alloc window %d is larger " "than max possible %u. Using defaults.\n", - ocfs2_local_alloc_window_bits(osb), (osb->bitmap_cpg - 1)); - osb->local_alloc_size = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE; + osb->local_alloc_bits, (osb->bitmap_cpg - 1)); + osb->local_alloc_bits = + ocfs2_megabytes_to_clusters(osb->sb, + OCFS2_DEFAULT_LOCAL_ALLOC_SIZE); } /* read the alloc off disk */ @@ -190,8 +182,7 @@ bail: if (inode) iput(inode); - mlog(0, "Local alloc window bits = %d\n", - ocfs2_local_alloc_window_bits(osb)); + mlog(0, "Local alloc window bits = %d\n", osb->local_alloc_bits); mlog_exit(status); return status; @@ -490,7 +481,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, goto bail; } - if (bits_wanted > ocfs2_local_alloc_window_bits(osb)) { + if (bits_wanted > osb->local_alloc_bits) { mlog(0, "Asking for more than my max window size!\n"); status = -ENOSPC; goto bail; @@ -803,7 +794,7 @@ static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb, goto bail; } - (*ac)->ac_bits_wanted = ocfs2_local_alloc_window_bits(osb); + (*ac)->ac_bits_wanted = osb->local_alloc_bits; status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); if (status < 0) { @@ -849,7 +840,7 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, "one\n"); mlog(0, "Allocating %u clusters for a new window.\n", - ocfs2_local_alloc_window_bits(osb)); + osb->local_alloc_bits); /* Instruct the allocation code to try the most recently used * cluster group. We'll re-record the group used this pass @@ -859,8 +850,7 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, /* we used the generic suballoc reserve function, but we set * everything up nicely, so there's no reason why we can't use * the more specific cluster api to claim bits. */ - status = ocfs2_claim_clusters(osb, handle, ac, - ocfs2_local_alloc_window_bits(osb), + status = ocfs2_claim_clusters(osb, handle, ac, osb->local_alloc_bits, &cluster_off, &cluster_count); if (status < 0) { if (status != -ENOSPC) diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 7f625f2b1117..43dd42e313a1 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -252,7 +252,7 @@ struct ocfs2_super struct ocfs2_journal *journal; unsigned long osb_commit_interval; - int local_alloc_size; + unsigned int local_alloc_bits; enum ocfs2_local_alloc_state local_alloc_state; struct buffer_head *local_alloc_bh; u64 la_last_gd; @@ -554,6 +554,14 @@ static inline unsigned int ocfs2_pages_per_cluster(struct super_block *sb) return pages_per_cluster; } +static inline unsigned int ocfs2_megabytes_to_clusters(struct super_block *sb, + unsigned int megs) +{ + BUILD_BUG_ON(OCFS2_MAX_CLUSTERSIZE > 1048576); + + return megs << (20 - OCFS2_SB(sb)->s_clustersize_bits); +} + static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb) { spin_lock(&osb->osb_lock); diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 70334d85aff1..3dee61ebd69a 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -637,7 +637,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; osb->osb_commit_interval = parsed_options.commit_interval; - osb->local_alloc_size = parsed_options.localalloc_opt; + osb->local_alloc_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt); status = ocfs2_verify_userspace_stack(osb, &parsed_options); if (status) @@ -938,6 +938,7 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) { struct ocfs2_super *osb = OCFS2_SB(mnt->mnt_sb); unsigned long opts = osb->s_mount_opt; + unsigned int local_alloc_megs; if (opts & OCFS2_MOUNT_HB_LOCAL) seq_printf(s, ",_netdev,heartbeat=local"); @@ -970,8 +971,9 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) seq_printf(s, ",commit=%u", (unsigned) (osb->osb_commit_interval / HZ)); - if (osb->local_alloc_size != OCFS2_DEFAULT_LOCAL_ALLOC_SIZE) - seq_printf(s, ",localalloc=%d", osb->local_alloc_size); + local_alloc_megs = osb->local_alloc_bits >> (20 - osb->s_clustersize_bits); + if (local_alloc_megs != OCFS2_DEFAULT_LOCAL_ALLOC_SIZE) + seq_printf(s, ",localalloc=%d", local_alloc_megs); if (opts & OCFS2_MOUNT_LOCALFLOCKS) seq_printf(s, ",localflocks,"); -- GitLab From 9c7af40b210e87f8fddd97b0badc0a352862234a Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 28 Jul 2008 18:02:53 -0700 Subject: [PATCH 4498/6244] ocfs2: throttle back local alloc when low on disk space Ocfs2's local allocator disables itself for the duration of a mount point when it has trouble allocating a large enough area from the primary bitmap. That can cause performance problems, especially for disks which were only temporarily full or fragmented. This patch allows for the allocator to shrink it's window first, before being disabled. Later, it can also be re-enabled so that any performance drop is minimized. To do this, we allow the value of osb->local_alloc_bits to be shrunk when needed. The default value is recorded in a mostly read-only variable so that we can re-initialize when required. Locking had to be updated so that we could protect changes to local_alloc_bits. Mostly this involves protecting various local alloc values with the osb spinlock. A new state is also added, OCFS2_LA_THROTTLED, which is used when the local allocator is has shrunk, but is not disabled. If the available space dips below 1 megabyte, the local alloc file is disabled. In either case, local alloc is re-enabled 30 seconds after the event, or when an appropriate amount of bits is seen in the primary bitmap. Signed-off-by: Mark Fasheh --- fs/ocfs2/localalloc.c | 198 +++++++++++++++++++++++++++++++++++++++--- fs/ocfs2/localalloc.h | 4 + fs/ocfs2/ocfs2.h | 23 ++++- fs/ocfs2/suballoc.c | 31 ++++--- fs/ocfs2/suballoc.h | 1 + fs/ocfs2/super.c | 4 +- 6 files changed, 230 insertions(+), 31 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index b05ce6642919..f71658adddb5 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -73,16 +73,51 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, struct inode *local_alloc_inode); +static inline int ocfs2_la_state_enabled(struct ocfs2_super *osb) +{ + return (osb->local_alloc_state == OCFS2_LA_THROTTLED || + osb->local_alloc_state == OCFS2_LA_ENABLED); +} + +void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb, + unsigned int num_clusters) +{ + spin_lock(&osb->osb_lock); + if (osb->local_alloc_state == OCFS2_LA_DISABLED || + osb->local_alloc_state == OCFS2_LA_THROTTLED) + if (num_clusters >= osb->local_alloc_default_bits) { + cancel_delayed_work(&osb->la_enable_wq); + osb->local_alloc_state = OCFS2_LA_ENABLED; + } + spin_unlock(&osb->osb_lock); +} + +void ocfs2_la_enable_worker(struct work_struct *work) +{ + struct ocfs2_super *osb = + container_of(work, struct ocfs2_super, + la_enable_wq.work); + spin_lock(&osb->osb_lock); + osb->local_alloc_state = OCFS2_LA_ENABLED; + spin_unlock(&osb->osb_lock); +} + /* * Tell us whether a given allocation should use the local alloc * file. Otherwise, it has to go to the main bitmap. + * + * This function does semi-dirty reads of local alloc size and state! + * This is ok however, as the values are re-checked once under mutex. */ int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, u64 bits) { - int la_bits = osb->local_alloc_bits; int ret = 0; + int la_bits; + + spin_lock(&osb->osb_lock); + la_bits = osb->local_alloc_bits; - if (osb->local_alloc_state != OCFS2_LA_ENABLED) + if (!ocfs2_la_state_enabled(osb)) goto bail; /* la_bits should be at least twice the size (in clusters) of @@ -96,6 +131,7 @@ int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, u64 bits) bail: mlog(0, "state=%d, bits=%llu, la_bits=%d, ret=%d\n", osb->local_alloc_state, (unsigned long long)bits, la_bits, ret); + spin_unlock(&osb->osb_lock); return ret; } @@ -208,6 +244,9 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) mlog_entry_void(); + cancel_delayed_work(&osb->la_enable_wq); + flush_workqueue(ocfs2_wq); + if (osb->local_alloc_state == OCFS2_LA_UNUSED) goto out; @@ -445,7 +484,7 @@ out: } /* - * make sure we've got at least bitswanted contiguous bits in the + * make sure we've got at least bits_wanted contiguous bits in the * local alloc. You lose them when you drop i_mutex. * * We will add ourselves to the transaction passed in, but may start @@ -476,16 +515,18 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, mutex_lock(&local_alloc_inode->i_mutex); - if (osb->local_alloc_state != OCFS2_LA_ENABLED) { - status = -ENOSPC; - goto bail; - } - - if (bits_wanted > osb->local_alloc_bits) { - mlog(0, "Asking for more than my max window size!\n"); + /* + * We must double check state and allocator bits because + * another process may have changed them while holding i_mutex. + */ + spin_lock(&osb->osb_lock); + if (!ocfs2_la_state_enabled(osb) || + (bits_wanted > osb->local_alloc_bits)) { + spin_unlock(&osb->osb_lock); status = -ENOSPC; goto bail; } + spin_unlock(&osb->osb_lock); alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; @@ -513,6 +554,21 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, mlog_errno(status); goto bail; } + + /* + * Under certain conditions, the window slide code + * might have reduced the number of bits available or + * disabled the the local alloc entirely. Re-check + * here and return -ENOSPC if necessary. + */ + status = -ENOSPC; + if (!ocfs2_la_state_enabled(osb)) + goto bail; + + free_bits = le32_to_cpu(alloc->id1.bitmap1.i_total) - + le32_to_cpu(alloc->id1.bitmap1.i_used); + if (bits_wanted > free_bits) + goto bail; } ac->ac_inode = local_alloc_inode; @@ -780,6 +836,85 @@ bail: return status; } +enum ocfs2_la_event { + OCFS2_LA_EVENT_SLIDE, /* Normal window slide. */ + OCFS2_LA_EVENT_FRAGMENTED, /* The global bitmap has + * enough bits theoretically + * free, but a contiguous + * allocation could not be + * found. */ + OCFS2_LA_EVENT_ENOSPC, /* Global bitmap doesn't have + * enough bits free to satisfy + * our request. */ +}; +#define OCFS2_LA_ENABLE_INTERVAL (30 * HZ) +/* + * Given an event, calculate the size of our next local alloc window. + * + * This should always be called under i_mutex of the local alloc inode + * so that local alloc disabling doesn't race with processes trying to + * use the allocator. + * + * Returns the state which the local alloc was left in. This value can + * be ignored by some paths. + */ +static int ocfs2_recalc_la_window(struct ocfs2_super *osb, + enum ocfs2_la_event event) +{ + unsigned int bits; + int state; + + spin_lock(&osb->osb_lock); + if (osb->local_alloc_state == OCFS2_LA_DISABLED) { + WARN_ON_ONCE(osb->local_alloc_state == OCFS2_LA_DISABLED); + goto out_unlock; + } + + /* + * ENOSPC and fragmentation are treated similarly for now. + */ + if (event == OCFS2_LA_EVENT_ENOSPC || + event == OCFS2_LA_EVENT_FRAGMENTED) { + /* + * We ran out of contiguous space in the primary + * bitmap. Drastically reduce the number of bits used + * by local alloc until we have to disable it. + */ + bits = osb->local_alloc_bits >> 1; + if (bits > ocfs2_megabytes_to_clusters(osb->sb, 1)) { + /* + * By setting state to THROTTLED, we'll keep + * the number of local alloc bits used down + * until an event occurs which would give us + * reason to assume the bitmap situation might + * have changed. + */ + osb->local_alloc_state = OCFS2_LA_THROTTLED; + osb->local_alloc_bits = bits; + } else { + osb->local_alloc_state = OCFS2_LA_DISABLED; + } + queue_delayed_work(ocfs2_wq, &osb->la_enable_wq, + OCFS2_LA_ENABLE_INTERVAL); + goto out_unlock; + } + + /* + * Don't increase the size of the local alloc window until we + * know we might be able to fulfill the request. Otherwise, we + * risk bouncing around the global bitmap during periods of + * low space. + */ + if (osb->local_alloc_state != OCFS2_LA_THROTTLED) + osb->local_alloc_bits = osb->local_alloc_default_bits; + +out_unlock: + state = osb->local_alloc_state; + spin_unlock(&osb->osb_lock); + + return state; +} + static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb, struct ocfs2_alloc_context **ac, struct inode **bitmap_inode, @@ -794,12 +929,21 @@ static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb, goto bail; } +retry_enospc: (*ac)->ac_bits_wanted = osb->local_alloc_bits; status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); + if (status == -ENOSPC) { + if (ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_ENOSPC) == + OCFS2_LA_DISABLED) + goto bail; + + ocfs2_free_ac_resource(*ac); + memset(*ac, 0, sizeof(struct ocfs2_alloc_context)); + goto retry_enospc; + } if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); + mlog_errno(status); goto bail; } @@ -852,6 +996,34 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, * the more specific cluster api to claim bits. */ status = ocfs2_claim_clusters(osb, handle, ac, osb->local_alloc_bits, &cluster_off, &cluster_count); + if (status == -ENOSPC) { +retry_enospc: + /* + * Note: We could also try syncing the journal here to + * allow use of any free bits which the current + * transaction can't give us access to. --Mark + */ + if (ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_FRAGMENTED) == + OCFS2_LA_DISABLED) + goto bail; + + status = ocfs2_claim_clusters(osb, handle, ac, + osb->local_alloc_bits, + &cluster_off, + &cluster_count); + if (status == -ENOSPC) + goto retry_enospc; + /* + * We only shrunk the *minimum* number of in our + * request - it's entirely possible that the allocator + * might give us more than we asked for. + */ + if (status == 0) { + spin_lock(&osb->osb_lock); + osb->local_alloc_bits = cluster_count; + spin_unlock(&osb->osb_lock); + } + } if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -895,6 +1067,8 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, mlog_entry_void(); + ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_SLIDE); + /* This will lock the main bitmap for us. */ status = ocfs2_local_alloc_reserve_for_window(osb, &ac, diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h index 3f76631e110c..ac5ea9f86653 100644 --- a/fs/ocfs2/localalloc.h +++ b/fs/ocfs2/localalloc.h @@ -52,4 +52,8 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb, u32 *bit_off, u32 *num_bits); +void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb, + unsigned int num_clusters); +void ocfs2_la_enable_worker(struct work_struct *work); + #endif /* OCFS2_LOCALALLOC_H */ diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 43dd42e313a1..4d6e200a4843 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -171,9 +171,13 @@ struct ocfs2_alloc_stats enum ocfs2_local_alloc_state { - OCFS2_LA_UNUSED = 0, - OCFS2_LA_ENABLED, - OCFS2_LA_DISABLED + OCFS2_LA_UNUSED = 0, /* Local alloc will never be used for + * this mountpoint. */ + OCFS2_LA_ENABLED, /* Local alloc is in use. */ + OCFS2_LA_THROTTLED, /* Local alloc is in use, but number + * of bits has been reduced. */ + OCFS2_LA_DISABLED /* Local alloc has temporarily been + * disabled. */ }; enum ocfs2_mount_options @@ -252,9 +256,20 @@ struct ocfs2_super struct ocfs2_journal *journal; unsigned long osb_commit_interval; + struct delayed_work la_enable_wq; + + /* + * Must hold local alloc i_mutex and osb->osb_lock to change + * local_alloc_bits. Reads can be done under either lock. + */ unsigned int local_alloc_bits; - enum ocfs2_local_alloc_state local_alloc_state; + unsigned int local_alloc_default_bits; + + enum ocfs2_local_alloc_state local_alloc_state; /* protected + * by osb_lock */ + struct buffer_head *local_alloc_bh; + u64 la_last_gd; /* Next two fields are for local node slot recovery during diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index d2d278fb9819..de7b93d76d12 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -111,7 +111,7 @@ static inline void ocfs2_block_to_cluster_group(struct inode *inode, u64 *bg_blkno, u16 *bg_bit_off); -static void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) +void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) { struct inode *inode = ac->ac_inode; @@ -686,15 +686,6 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb, if ((status < 0) && (status != -ENOSPC)) { mlog_errno(status); goto bail; - } else if (status == -ENOSPC) { - /* reserve_local_bits will return enospc with - * the local alloc inode still locked, so we - * can change this safely here. */ - mlog(0, "Disabling local alloc\n"); - /* We set to OCFS2_LA_DISABLED so that umount - * can clean up what's left of the local - * allocation */ - osb->local_alloc_state = OCFS2_LA_DISABLED; } } @@ -1005,6 +996,7 @@ static int ocfs2_cluster_group_search(struct inode *inode, int search = -ENOSPC; int ret; struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *) group_bh->b_data; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u16 tmp_off, tmp_found; unsigned int max_bits, gd_cluster_off; @@ -1045,6 +1037,12 @@ static int ocfs2_cluster_group_search(struct inode *inode, *bit_off = tmp_off; *bits_found = tmp_found; search = 0; /* success */ + } else if (tmp_found) { + /* + * Don't show bits which we'll be returning + * for allocation to the local alloc bitmap. + */ + ocfs2_local_alloc_seen_free_bits(osb, tmp_found); } } @@ -1203,9 +1201,8 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, status = -ENOSPC; /* for now, the chain search is a bit simplistic. We just use * the 1st group with any empty bits. */ - while ((status = ac->ac_group_search(alloc_inode, group_bh, - bits_wanted, min_bits, bit_off, - &tmp_bits)) == -ENOSPC) { + while ((status = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, + min_bits, bit_off, &tmp_bits)) == -ENOSPC) { if (!bg->bg_next_group) break; @@ -1838,9 +1835,15 @@ int ocfs2_free_clusters(handle_t *handle, status = ocfs2_free_suballoc_bits(handle, bitmap_inode, bitmap_bh, bg_start_bit, bg_blkno, num_clusters); - if (status < 0) + if (status < 0) { mlog_errno(status); + goto out; + } + + ocfs2_local_alloc_seen_free_bits(OCFS2_SB(bitmap_inode->i_sb), + num_clusters); +out: mlog_exit(status); return status; } diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 544c600662bd..40d51daf5fbc 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -147,6 +147,7 @@ static inline int ocfs2_is_cluster_bitmap(struct inode *inode) * apis above. */ int ocfs2_reserve_cluster_bitmap_bits(struct ocfs2_super *osb, struct ocfs2_alloc_context *ac); +void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); /* given a cluster offset, calculate which block group it belongs to * and return that block offset. */ diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 3dee61ebd69a..a2d3dcf70252 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -637,7 +637,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; osb->osb_commit_interval = parsed_options.commit_interval; - osb->local_alloc_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt); + osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt); + osb->local_alloc_bits = osb->local_alloc_default_bits; status = ocfs2_verify_userspace_stack(osb, &parsed_options); if (status) @@ -1425,6 +1426,7 @@ static int ocfs2_initialize_super(struct super_block *sb, osb->local_alloc_state = OCFS2_LA_UNUSED; osb->local_alloc_bh = NULL; + INIT_DELAYED_WORK(&osb->la_enable_wq, ocfs2_la_enable_worker); init_waitqueue_head(&osb->osb_mount_event); -- GitLab From 9a8ff578fb430a8816dfbc73c77e5e09c6d9c343 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 29 Jul 2008 18:29:18 -0700 Subject: [PATCH 4499/6244] ocfs2: track local alloc state via debugfs A per-mount debugfs file, "local_alloc" is created which when read will expose live state of the nodes local alloc file. Performance impact is minimal, only a bit of memory overhead per mount point. Still, the code is hidden behind CONFIG_OCFS2_FS_STATS. This feature will help us debug local alloc performance problems on a live system. Signed-off-by: Mark Fasheh --- fs/ocfs2/localalloc.c | 87 +++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/ocfs2.h | 5 +++ 2 files changed, 92 insertions(+) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index f71658adddb5..b889f10d8090 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -28,6 +28,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_DISK_ALLOC #include @@ -73,6 +74,85 @@ static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, struct inode *local_alloc_inode); +#ifdef CONFIG_OCFS2_FS_STATS + +DEFINE_MUTEX(la_debug_mutex); + +static int ocfs2_la_debug_open(struct inode *inode, struct file *file) +{ + file->private_data = inode->i_private; + return 0; +} + +#define LA_DEBUG_BUF_SZ PAGE_CACHE_SIZE +#define LA_DEBUG_VER 1 +static ssize_t ocfs2_la_debug_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct ocfs2_super *osb = file->private_data; + int written, ret; + char *buf = osb->local_alloc_debug_buf; + + mutex_lock(&la_debug_mutex); + memset(buf, 0, LA_DEBUG_BUF_SZ); + + written = snprintf(buf, LA_DEBUG_BUF_SZ, + "0x%x\t0x%llx\t%u\t%u\t0x%x\n", + LA_DEBUG_VER, + (unsigned long long)osb->la_last_gd, + osb->local_alloc_default_bits, + osb->local_alloc_bits, osb->local_alloc_state); + + ret = simple_read_from_buffer(userbuf, count, ppos, buf, written); + + mutex_unlock(&la_debug_mutex); + return ret; +} + +static const struct file_operations ocfs2_la_debug_fops = { + .open = ocfs2_la_debug_open, + .read = ocfs2_la_debug_read, +}; + +static void ocfs2_init_la_debug(struct ocfs2_super *osb) +{ + osb->local_alloc_debug_buf = kmalloc(LA_DEBUG_BUF_SZ, GFP_NOFS); + if (!osb->local_alloc_debug_buf) + return; + + osb->local_alloc_debug = debugfs_create_file("local_alloc_stats", + S_IFREG|S_IRUSR, + osb->osb_debug_root, + osb, + &ocfs2_la_debug_fops); + if (!osb->local_alloc_debug) { + kfree(osb->local_alloc_debug_buf); + osb->local_alloc_debug_buf = NULL; + } +} + +static void ocfs2_shutdown_la_debug(struct ocfs2_super *osb) +{ + if (osb->local_alloc_debug) + debugfs_remove(osb->local_alloc_debug); + + if (osb->local_alloc_debug_buf) + kfree(osb->local_alloc_debug_buf); + + osb->local_alloc_debug_buf = NULL; + osb->local_alloc_debug = NULL; +} +#else /* CONFIG_OCFS2_FS_STATS */ +static void ocfs2_init_la_debug(struct ocfs2_super *osb) +{ + return; +} +static void ocfs2_shutdown_la_debug(struct ocfs2_super *osb) +{ + return; +} +#endif + static inline int ocfs2_la_state_enabled(struct ocfs2_super *osb) { return (osb->local_alloc_state == OCFS2_LA_THROTTLED || @@ -146,6 +226,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) mlog_entry_void(); + ocfs2_init_la_debug(osb); + if (osb->local_alloc_bits == 0) goto bail; @@ -218,6 +300,9 @@ bail: if (inode) iput(inode); + if (status < 0) + ocfs2_shutdown_la_debug(osb); + mlog(0, "Local alloc window bits = %d\n", osb->local_alloc_bits); mlog_exit(status); @@ -247,6 +332,8 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) cancel_delayed_work(&osb->la_enable_wq); flush_workqueue(ocfs2_wq); + ocfs2_shutdown_la_debug(osb); + if (osb->local_alloc_state == OCFS2_LA_UNUSED) goto out; diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 4d6e200a4843..128279986d65 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -272,6 +272,11 @@ struct ocfs2_super u64 la_last_gd; +#ifdef CONFIG_OCFS2_FS_STATS + struct dentry *local_alloc_debug; + char *local_alloc_debug_buf; +#endif + /* Next two fields are for local node slot recovery during * mount. */ int dirty; -- GitLab From 231b87d10920e024efaf0f9e86e1bab7bced1620 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:42 +0800 Subject: [PATCH 4500/6244] ocfs2: Modify ocfs2_num_free_extents for future xattr usage. ocfs2_num_free_extents() is used to find the number of free extent records in an inode btree. Hence, it takes an "ocfs2_dinode" parameter. We want to use this for extended attribute trees in the future, so genericize the interface the take a buffer head. A future patch will allow that buffer_head to contain any structure rooting an ocfs2 btree. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 3 ++- fs/ocfs2/alloc.h | 2 +- fs/ocfs2/aops.c | 5 +++-- fs/ocfs2/dir.c | 3 ++- fs/ocfs2/file.c | 11 ++++++----- fs/ocfs2/file.h | 2 +- 6 files changed, 15 insertions(+), 11 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 29ff57ec5d1f..377acb24f67b 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -368,12 +368,13 @@ struct ocfs2_merge_ctxt { */ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct ocfs2_dinode *fe) + struct buffer_head *bh) { int retval; struct ocfs2_extent_list *el; struct ocfs2_extent_block *eb; struct buffer_head *eb_bh = NULL; + struct ocfs2_dinode *fe = (struct ocfs2_dinode *)bh->b_data; mlog_entry_void(); diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 60cd3d59230c..5c0f764b59ec 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -47,7 +47,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, struct ocfs2_cached_dealloc_ctxt *dealloc); int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct ocfs2_dinode *fe); + struct buffer_head *bh); /* how many new metadata chunks would an allocation need at maximum? */ static inline int ocfs2_extend_meta_needed(struct ocfs2_dinode *fe) { diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index a53da1466277..e2008dcec753 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1712,8 +1712,9 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, * ocfs2_lock_allocators(). It greatly over-estimates * the work to be done. */ - ret = ocfs2_lock_allocators(inode, di, clusters_to_alloc, - extents_to_split, &data_ac, &meta_ac); + ret = ocfs2_lock_allocators(inode, wc->w_di_bh, + clusters_to_alloc, extents_to_split, + &data_ac, &meta_ac); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 9cce563fd627..fda09c32a5f2 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1479,7 +1479,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, spin_lock(&OCFS2_I(dir)->ip_lock); if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) { spin_unlock(&OCFS2_I(dir)->ip_lock); - num_free_extents = ocfs2_num_free_extents(osb, dir, fe); + num_free_extents = ocfs2_num_free_extents(osb, dir, + parent_fe_bh); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 1015ef16a8bf..b6c483dfe615 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -521,7 +521,7 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, inode, fe); + free_extents = ocfs2_num_free_extents(osb, inode, fe_bh); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -609,7 +609,7 @@ leave: * File systems which don't support holes call this from * ocfs2_extend_allocation(). */ -int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, +int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *di_bh, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, struct ocfs2_alloc_context **meta_ac) @@ -617,6 +617,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, int ret = 0, num_free_extents; unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; *meta_ac = NULL; if (data_ac) @@ -629,7 +630,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, (unsigned long long)OCFS2_I(inode)->ip_blkno, (long long)i_size_read(inode), le32_to_cpu(di->i_clusters), clusters_to_add, extents_to_split); - num_free_extents = ocfs2_num_free_extents(osb, inode, di); + num_free_extents = ocfs2_num_free_extents(osb, inode, di_bh); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); @@ -724,7 +725,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, restart_all: BUG_ON(le32_to_cpu(fe->i_clusters) != OCFS2_I(inode)->ip_clusters); - status = ocfs2_lock_allocators(inode, fe, clusters_to_add, 0, &data_ac, + status = ocfs2_lock_allocators(inode, bh, clusters_to_add, 0, &data_ac, &meta_ac); if (status) { mlog_errno(status); @@ -1395,7 +1396,7 @@ static int __ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - ret = ocfs2_lock_allocators(inode, di, 0, 1, NULL, &meta_ac); + ret = ocfs2_lock_allocators(inode, di_bh, 0, 1, NULL, &meta_ac); if (ret) { mlog_errno(ret); return ret; diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index 5a6d3e48e4ba..c96b8054fbe7 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -57,7 +57,7 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, enum ocfs2_alloc_restarted *reason_ret); int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size, u64 zero_to); -int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di, +int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *fe, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, struct ocfs2_alloc_context **meta_ac); -- GitLab From 811f933df1e55615fd0bb4818f31e3868a8e6e23 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:43 +0800 Subject: [PATCH 4501/6244] ocfs2: Use ocfs2_extent_list instead of ocfs2_dinode. ocfs2_extend_meta_needed(), ocfs2_calc_extend_credits() and ocfs2_reserve_new_metadata() are all useful for extent tree operations. But they are all limited to an inode btree because they use a struct ocfs2_dinode parameter. Change their parameter to struct ocfs2_extent_list (the part of an ocfs2_dinode they actually use) so that the xattr btree code can use these functions. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 3 ++- fs/ocfs2/alloc.h | 12 +++++++++--- fs/ocfs2/aops.c | 3 ++- fs/ocfs2/dir.c | 5 +++-- fs/ocfs2/file.c | 9 +++++---- fs/ocfs2/journal.h | 17 +++++++++++------ fs/ocfs2/suballoc.c | 4 ++-- fs/ocfs2/suballoc.h | 7 ++++++- 8 files changed, 40 insertions(+), 20 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 377acb24f67b..dc36cd140754 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -4527,7 +4527,8 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, } else rightmost_el = path_leaf_el(path); - credits += path->p_tree_depth + ocfs2_extend_meta_needed(di); + credits += path->p_tree_depth + + ocfs2_extend_meta_needed(&di->id2.i_list); ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 5c0f764b59ec..a0e334f10cd1 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -48,8 +48,14 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct buffer_head *bh); -/* how many new metadata chunks would an allocation need at maximum? */ -static inline int ocfs2_extend_meta_needed(struct ocfs2_dinode *fe) +/* + * how many new metadata chunks would an allocation need at maximum? + * + * Please note that the caller must make sure that root_el is the root + * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise + * the result may be wrong. + */ +static inline int ocfs2_extend_meta_needed(struct ocfs2_extent_list *root_el) { /* * Rather than do all the work of determining how much we need @@ -59,7 +65,7 @@ static inline int ocfs2_extend_meta_needed(struct ocfs2_dinode *fe) * new tree_depth==0 extent_block, and one block at the new * top-of-the tree. */ - return le16_to_cpu(fe->id2.i_list.l_tree_depth) + 2; + return le16_to_cpu(root_el->l_tree_depth) + 2; } void ocfs2_dinode_new_extent_list(struct inode *inode, struct ocfs2_dinode *di); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index e2008dcec753..bbe3f8b2d0e2 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1720,7 +1720,8 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, goto out; } - credits = ocfs2_calc_extend_credits(inode->i_sb, di, + credits = ocfs2_calc_extend_credits(inode->i_sb, + &di->id2.i_list, clusters_to_alloc); } diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index fda09c32a5f2..126aa219c0c1 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1430,6 +1430,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, int credits, num_free_extents, drop_alloc_sem = 0; loff_t dir_i_size; struct ocfs2_dinode *fe = (struct ocfs2_dinode *) parent_fe_bh->b_data; + struct ocfs2_extent_list *el = &fe->id2.i_list; struct ocfs2_alloc_context *data_ac = NULL; struct ocfs2_alloc_context *meta_ac = NULL; handle_t *handle = NULL; @@ -1488,7 +1489,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, } if (!num_free_extents) { - status = ocfs2_reserve_new_metadata(osb, fe, &meta_ac); + status = ocfs2_reserve_new_metadata(osb, el, &meta_ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -1503,7 +1504,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, goto bail; } - credits = ocfs2_calc_extend_credits(sb, fe, 1); + credits = ocfs2_calc_extend_credits(sb, el, 1); } else { spin_unlock(&OCFS2_I(dir)->ip_lock); credits = OCFS2_SIMPLE_DIR_EXTEND_CREDITS; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index b6c483dfe615..a31bba6c5575 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -540,7 +540,7 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, goto leave; } else if ((!free_extents) && (ocfs2_alloc_context_bits_left(meta_ac) - < ocfs2_extend_meta_needed(fe))) { + < ocfs2_extend_meta_needed(&fe->id2.i_list))) { mlog(0, "filesystem is really fragmented...\n"); status = -EAGAIN; reason = RESTART_META; @@ -652,7 +652,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *di_bh, */ if (!num_free_extents || (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { - ret = ocfs2_reserve_new_metadata(osb, di, meta_ac); + ret = ocfs2_reserve_new_metadata(osb, &di->id2.i_list, meta_ac); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); @@ -732,7 +732,8 @@ restart_all: goto leave; } - credits = ocfs2_calc_extend_credits(osb->sb, fe, clusters_to_add); + credits = ocfs2_calc_extend_credits(osb->sb, &fe->id2.i_list, + clusters_to_add); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); @@ -790,7 +791,7 @@ restarted_transaction: mlog(0, "restarting transaction.\n"); /* TODO: This can be more intelligent. */ credits = ocfs2_calc_extend_credits(osb->sb, - fe, + &fe->id2.i_list, clusters_to_add); status = ocfs2_extend_trans(handle, credits); if (status < 0) { diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 2178ebffa05f..9485f8037d9b 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -340,11 +340,16 @@ int ocfs2_journal_dirty_data(handle_t *handle, #define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3 \ + OCFS2_UNLINK_CREDITS) +/* + * Please note that the caller must make sure that root_el is the root + * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise + * the result may be wrong. + */ static inline int ocfs2_calc_extend_credits(struct super_block *sb, - struct ocfs2_dinode *fe, + struct ocfs2_extent_list *root_el, u32 bits_wanted) { - int bitmap_blocks, sysfile_bitmap_blocks, dinode_blocks; + int bitmap_blocks, sysfile_bitmap_blocks, extent_blocks; /* bitmap dinode, group desc. + relinked group. */ bitmap_blocks = OCFS2_SUBALLOC_ALLOC; @@ -355,16 +360,16 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb, * however many metadata chunks needed * a remaining suballoc * alloc. */ sysfile_bitmap_blocks = 1 + - (OCFS2_SUBALLOC_ALLOC - 1) * ocfs2_extend_meta_needed(fe); + (OCFS2_SUBALLOC_ALLOC - 1) * ocfs2_extend_meta_needed(root_el); /* this does not include *new* metadata blocks, which are - * accounted for in sysfile_bitmap_blocks. fe + + * accounted for in sysfile_bitmap_blocks. root_el + * prev. last_eb_blk + blocks along edge of tree. * calc_symlink_credits passes because we just need 1 * credit for the dinode there. */ - dinode_blocks = 1 + 1 + le16_to_cpu(fe->id2.i_list.l_tree_depth); + extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); - return bitmap_blocks + sysfile_bitmap_blocks + dinode_blocks; + return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks; } static inline int ocfs2_calc_symlink_credits(struct super_block *sb) diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index de7b93d76d12..2a817bca1ddb 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -494,7 +494,7 @@ bail: } int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, - struct ocfs2_dinode *fe, + struct ocfs2_extent_list *root_el, struct ocfs2_alloc_context **ac) { int status; @@ -507,7 +507,7 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, goto bail; } - (*ac)->ac_bits_wanted = ocfs2_extend_meta_needed(fe); + (*ac)->ac_bits_wanted = ocfs2_extend_meta_needed(root_el); (*ac)->ac_which = OCFS2_AC_USE_META; slot = osb->slot_num; (*ac)->ac_group_search = ocfs2_block_group_search; diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 40d51daf5fbc..3f96c875bcf7 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -59,8 +59,13 @@ static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac) return ac->ac_bits_wanted - ac->ac_bits_given; } +/* + * Please note that the caller must make sure that root_el is the root + * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise + * the result may be wrong. + */ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, - struct ocfs2_dinode *fe, + struct ocfs2_extent_list *root_el, struct ocfs2_alloc_context **ac); int ocfs2_reserve_new_inode(struct ocfs2_super *osb, struct ocfs2_alloc_context **ac); -- GitLab From e7d4cb6bc19658646357eeff134645cd9bc3479f Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:44 +0800 Subject: [PATCH 4502/6244] ocfs2: Abstract ocfs2_extent_tree in b-tree operations. In the old extent tree operation, we take the hypothesis that we are using the ocfs2_extent_list in ocfs2_dinode as the tree root. As xattr will also use ocfs2_extent_list to store large value for a xattr entry, we refactor the tree operation so that xattr can use it directly. The refactoring includes 4 steps: 1. Abstract set/get of last_eb_blk and update_clusters since they may be stored in different location for dinode and xattr. 2. Add a new structure named ocfs2_extent_tree to indicate the extent tree the operation will work on. 3. Remove all the use of fe_bh and di, use root_bh and root_el in extent tree instead. So now all the fe_bh is replaced with et->root_bh, el with root_el accordingly. 4. Make ocfs2_lock_allocators generic. Now it is limited to be only used in file extend allocation. But the whole function is useful when we want to store large EAs. Note: This patch doesn't touch ocfs2_commit_truncate() since it is not used for anything other than truncate inode data btrees. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 508 ++++++++++++++++++++++++++++---------------- fs/ocfs2/alloc.h | 23 +- fs/ocfs2/aops.c | 11 +- fs/ocfs2/dir.c | 7 +- fs/ocfs2/file.c | 104 ++------- fs/ocfs2/file.h | 4 - fs/ocfs2/suballoc.c | 82 +++++++ fs/ocfs2/suballoc.h | 5 + 8 files changed, 456 insertions(+), 288 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index dc36cd140754..579659bae6c5 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -49,6 +49,143 @@ #include "buffer_head_io.h" +/* + * ocfs2_extent_tree and ocfs2_extent_tree_operations are used to abstract + * the b-tree operations in ocfs2. Now all the b-tree operations are not + * limited to ocfs2_dinode only. Any data which need to allocate clusters + * to store can use b-tree. And it only needs to implement its ocfs2_extent_tree + * and operation. + * + * ocfs2_extent_tree contains info for the root of the b-tree, it must have a + * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree + * functions. + * ocfs2_extent_tree_operations abstract the normal operations we do for + * the root of extent b-tree. + */ +struct ocfs2_extent_tree; + +struct ocfs2_extent_tree_operations { + void (*set_last_eb_blk) (struct ocfs2_extent_tree *et, u64 blkno); + u64 (*get_last_eb_blk) (struct ocfs2_extent_tree *et); + void (*update_clusters) (struct inode *inode, + struct ocfs2_extent_tree *et, + u32 new_clusters); + int (*sanity_check) (struct inode *inode, struct ocfs2_extent_tree *et); +}; + +struct ocfs2_extent_tree { + enum ocfs2_extent_tree_type type; + struct ocfs2_extent_tree_operations *eops; + struct buffer_head *root_bh; + struct ocfs2_extent_list *root_el; +}; + +static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 blkno) +{ + struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data; + + BUG_ON(et->type != OCFS2_DINODE_EXTENT); + di->i_last_eb_blk = cpu_to_le64(blkno); +} + +static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et) +{ + struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data; + + BUG_ON(et->type != OCFS2_DINODE_EXTENT); + return le64_to_cpu(di->i_last_eb_blk); +} + +static void ocfs2_dinode_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters) +{ + struct ocfs2_dinode *di = + (struct ocfs2_dinode *)et->root_bh->b_data; + + le32_add_cpu(&di->i_clusters, clusters); + spin_lock(&OCFS2_I(inode)->ip_lock); + OCFS2_I(inode)->ip_clusters = le32_to_cpu(di->i_clusters); + spin_unlock(&OCFS2_I(inode)->ip_lock); +} + +static int ocfs2_dinode_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et) +{ + int ret = 0; + struct ocfs2_dinode *di; + + BUG_ON(et->type != OCFS2_DINODE_EXTENT); + + di = (struct ocfs2_dinode *)et->root_bh->b_data; + if (!OCFS2_IS_VALID_DINODE(di)) { + ret = -EIO; + ocfs2_error(inode->i_sb, + "Inode %llu has invalid path root", + (unsigned long long)OCFS2_I(inode)->ip_blkno); + } + + return ret; +} + +static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { + .set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, + .get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, + .update_clusters = ocfs2_dinode_update_clusters, + .sanity_check = ocfs2_dinode_sanity_check, +}; + +static struct ocfs2_extent_tree* + ocfs2_new_extent_tree(struct buffer_head *bh, + enum ocfs2_extent_tree_type et_type) +{ + struct ocfs2_extent_tree *et; + + et = kzalloc(sizeof(*et), GFP_NOFS); + if (!et) + return NULL; + + et->type = et_type; + get_bh(bh); + et->root_bh = bh; + + /* current we only support dinode extent. */ + BUG_ON(et->type != OCFS2_DINODE_EXTENT); + if (et_type == OCFS2_DINODE_EXTENT) { + et->root_el = &((struct ocfs2_dinode *)bh->b_data)->id2.i_list; + et->eops = &ocfs2_dinode_et_ops; + } + + return et; +} + +static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et) +{ + if (et) { + brelse(et->root_bh); + kfree(et); + } +} + +static inline void ocfs2_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 new_last_eb_blk) +{ + et->eops->set_last_eb_blk(et, new_last_eb_blk); +} + +static inline u64 ocfs2_get_last_eb_blk(struct ocfs2_extent_tree *et) +{ + return et->eops->get_last_eb_blk(et); +} + +static inline void ocfs2_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters) +{ + et->eops->update_clusters(inode, et, clusters); +} + static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc); static int ocfs2_cache_extent_block_free(struct ocfs2_cached_dealloc_ctxt *ctxt, struct ocfs2_extent_block *eb); @@ -204,17 +341,6 @@ static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, return path; } -/* - * Allocate and initialize a new path based on a disk inode tree. - */ -static struct ocfs2_path *ocfs2_new_inode_path(struct buffer_head *di_bh) -{ - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - struct ocfs2_extent_list *el = &di->id2.i_list; - - return ocfs2_new_path(di_bh, el); -} - /* * Convenience function to journal all components in a path. */ @@ -368,24 +494,33 @@ struct ocfs2_merge_ctxt { */ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *bh) + struct buffer_head *root_bh, + enum ocfs2_extent_tree_type type) { int retval; - struct ocfs2_extent_list *el; + struct ocfs2_extent_list *el = NULL; struct ocfs2_extent_block *eb; struct buffer_head *eb_bh = NULL; - struct ocfs2_dinode *fe = (struct ocfs2_dinode *)bh->b_data; + u64 last_eb_blk = 0; mlog_entry_void(); - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - retval = -EIO; - goto bail; + if (type == OCFS2_DINODE_EXTENT) { + struct ocfs2_dinode *fe = + (struct ocfs2_dinode *)root_bh->b_data; + if (!OCFS2_IS_VALID_DINODE(fe)) { + OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); + retval = -EIO; + goto bail; + } + + if (fe->i_last_eb_blk) + last_eb_blk = le64_to_cpu(fe->i_last_eb_blk); + el = &fe->id2.i_list; } - if (fe->i_last_eb_blk) { - retval = ocfs2_read_block(osb, le64_to_cpu(fe->i_last_eb_blk), + if (last_eb_blk) { + retval = ocfs2_read_block(osb, last_eb_blk, &eb_bh, OCFS2_BH_CACHED, inode); if (retval < 0) { mlog_errno(retval); @@ -393,8 +528,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, } eb = (struct ocfs2_extent_block *) eb_bh->b_data; el = &eb->h_list; - } else - el = &fe->id2.i_list; + } BUG_ON(el->l_tree_depth != 0); @@ -532,7 +666,7 @@ static inline u32 ocfs2_sum_rightmost_rec(struct ocfs2_extent_list *el) static int ocfs2_add_branch(struct ocfs2_super *osb, handle_t *handle, struct inode *inode, - struct buffer_head *fe_bh, + struct ocfs2_extent_tree *et, struct buffer_head *eb_bh, struct buffer_head **last_eb_bh, struct ocfs2_alloc_context *meta_ac) @@ -541,7 +675,6 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, u64 next_blkno, new_last_eb_blk; struct buffer_head *bh; struct buffer_head **new_eb_bhs = NULL; - struct ocfs2_dinode *fe; struct ocfs2_extent_block *eb; struct ocfs2_extent_list *eb_el; struct ocfs2_extent_list *el; @@ -551,13 +684,11 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, BUG_ON(!last_eb_bh || !*last_eb_bh); - fe = (struct ocfs2_dinode *) fe_bh->b_data; - if (eb_bh) { eb = (struct ocfs2_extent_block *) eb_bh->b_data; el = &eb->h_list; } else - el = &fe->id2.i_list; + el = et->root_el; /* we never add a branch to a leaf. */ BUG_ON(!el->l_tree_depth); @@ -647,7 +778,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, mlog_errno(status); goto bail; } - status = ocfs2_journal_access(handle, inode, fe_bh, + status = ocfs2_journal_access(handle, inode, et->root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -663,7 +794,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, } /* Link the new branch into the rest of the tree (el will - * either be on the fe, or the extent block passed in. */ + * either be on the root_bh, or the extent block passed in. */ i = le16_to_cpu(el->l_next_free_rec); el->l_recs[i].e_blkno = cpu_to_le64(next_blkno); el->l_recs[i].e_cpos = cpu_to_le32(new_cpos); @@ -672,7 +803,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, /* fe needs a new last extent block pointer, as does the * next_leaf on the previously last-extent-block. */ - fe->i_last_eb_blk = cpu_to_le64(new_last_eb_blk); + ocfs2_set_last_eb_blk(et, new_last_eb_blk); eb = (struct ocfs2_extent_block *) (*last_eb_bh)->b_data; eb->h_next_leaf_blk = cpu_to_le64(new_last_eb_blk); @@ -680,7 +811,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, status = ocfs2_journal_dirty(handle, *last_eb_bh); if (status < 0) mlog_errno(status); - status = ocfs2_journal_dirty(handle, fe_bh); + status = ocfs2_journal_dirty(handle, et->root_bh); if (status < 0) mlog_errno(status); if (eb_bh) { @@ -718,16 +849,15 @@ bail: static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, handle_t *handle, struct inode *inode, - struct buffer_head *fe_bh, + struct ocfs2_extent_tree *et, struct ocfs2_alloc_context *meta_ac, struct buffer_head **ret_new_eb_bh) { int status, i; u32 new_clusters; struct buffer_head *new_eb_bh = NULL; - struct ocfs2_dinode *fe; struct ocfs2_extent_block *eb; - struct ocfs2_extent_list *fe_el; + struct ocfs2_extent_list *root_el; struct ocfs2_extent_list *eb_el; mlog_entry_void(); @@ -747,8 +877,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, } eb_el = &eb->h_list; - fe = (struct ocfs2_dinode *) fe_bh->b_data; - fe_el = &fe->id2.i_list; + root_el = et->root_el; status = ocfs2_journal_access(handle, inode, new_eb_bh, OCFS2_JOURNAL_ACCESS_CREATE); @@ -757,11 +886,11 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, goto bail; } - /* copy the fe data into the new extent block */ - eb_el->l_tree_depth = fe_el->l_tree_depth; - eb_el->l_next_free_rec = fe_el->l_next_free_rec; - for(i = 0; i < le16_to_cpu(fe_el->l_next_free_rec); i++) - eb_el->l_recs[i] = fe_el->l_recs[i]; + /* copy the root extent list data into the new extent block */ + eb_el->l_tree_depth = root_el->l_tree_depth; + eb_el->l_next_free_rec = root_el->l_next_free_rec; + for (i = 0; i < le16_to_cpu(root_el->l_next_free_rec); i++) + eb_el->l_recs[i] = root_el->l_recs[i]; status = ocfs2_journal_dirty(handle, new_eb_bh); if (status < 0) { @@ -769,7 +898,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, inode, fe_bh, + status = ocfs2_journal_access(handle, inode, et->root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -778,21 +907,21 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, new_clusters = ocfs2_sum_rightmost_rec(eb_el); - /* update fe now */ - le16_add_cpu(&fe_el->l_tree_depth, 1); - fe_el->l_recs[0].e_cpos = 0; - fe_el->l_recs[0].e_blkno = eb->h_blkno; - fe_el->l_recs[0].e_int_clusters = cpu_to_le32(new_clusters); - for(i = 1; i < le16_to_cpu(fe_el->l_next_free_rec); i++) - memset(&fe_el->l_recs[i], 0, sizeof(struct ocfs2_extent_rec)); - fe_el->l_next_free_rec = cpu_to_le16(1); + /* update root_bh now */ + le16_add_cpu(&root_el->l_tree_depth, 1); + root_el->l_recs[0].e_cpos = 0; + root_el->l_recs[0].e_blkno = eb->h_blkno; + root_el->l_recs[0].e_int_clusters = cpu_to_le32(new_clusters); + for (i = 1; i < le16_to_cpu(root_el->l_next_free_rec); i++) + memset(&root_el->l_recs[i], 0, sizeof(struct ocfs2_extent_rec)); + root_el->l_next_free_rec = cpu_to_le16(1); /* If this is our 1st tree depth shift, then last_eb_blk * becomes the allocated extent block */ - if (fe_el->l_tree_depth == cpu_to_le16(1)) - fe->i_last_eb_blk = eb->h_blkno; + if (root_el->l_tree_depth == cpu_to_le16(1)) + ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); - status = ocfs2_journal_dirty(handle, fe_bh); + status = ocfs2_journal_dirty(handle, et->root_bh); if (status < 0) { mlog_errno(status); goto bail; @@ -818,22 +947,21 @@ bail: * 1) a lowest extent block is found, then we pass it back in * *lowest_eb_bh and return '0' * - * 2) the search fails to find anything, but the dinode has room. We + * 2) the search fails to find anything, but the root_el has room. We * pass NULL back in *lowest_eb_bh, but still return '0' * - * 3) the search fails to find anything AND the dinode is full, in + * 3) the search fails to find anything AND the root_el is full, in * which case we return > 0 * * return status < 0 indicates an error. */ static int ocfs2_find_branch_target(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *fe_bh, + struct ocfs2_extent_tree *et, struct buffer_head **target_bh) { int status = 0, i; u64 blkno; - struct ocfs2_dinode *fe; struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; struct buffer_head *bh = NULL; @@ -843,8 +971,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, *target_bh = NULL; - fe = (struct ocfs2_dinode *) fe_bh->b_data; - el = &fe->id2.i_list; + el = et->root_el; while(le16_to_cpu(el->l_tree_depth) > 1) { if (le16_to_cpu(el->l_next_free_rec) == 0) { @@ -896,8 +1023,8 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, /* If we didn't find one and the fe doesn't have any room, * then return '1' */ - if (!lowest_bh - && (fe->id2.i_list.l_next_free_rec == fe->id2.i_list.l_count)) + el = et->root_el; + if (!lowest_bh && (el->l_next_free_rec == el->l_count)) status = 1; *target_bh = lowest_bh; @@ -920,19 +1047,19 @@ bail: * *last_eb_bh will be updated by ocfs2_add_branch(). */ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle, - struct buffer_head *di_bh, int *final_depth, + struct ocfs2_extent_tree *et, int *final_depth, struct buffer_head **last_eb_bh, struct ocfs2_alloc_context *meta_ac) { int ret, shift; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - int depth = le16_to_cpu(di->id2.i_list.l_tree_depth); + struct ocfs2_extent_list *el = et->root_el; + int depth = le16_to_cpu(el->l_tree_depth); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct buffer_head *bh = NULL; BUG_ON(meta_ac == NULL); - shift = ocfs2_find_branch_target(osb, inode, di_bh, &bh); + shift = ocfs2_find_branch_target(osb, inode, et, &bh); if (shift < 0) { ret = shift; mlog_errno(ret); @@ -949,7 +1076,7 @@ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle, /* ocfs2_shift_tree_depth will return us a buffer with * the new extent block (so we can pass that to * ocfs2_add_branch). */ - ret = ocfs2_shift_tree_depth(osb, handle, inode, di_bh, + ret = ocfs2_shift_tree_depth(osb, handle, inode, et, meta_ac, &bh); if (ret < 0) { mlog_errno(ret); @@ -976,7 +1103,7 @@ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle, /* call ocfs2_add_branch to add the final part of the tree with * the new data. */ mlog(0, "add branch. bh = %p\n", bh); - ret = ocfs2_add_branch(osb, handle, inode, di_bh, bh, last_eb_bh, + ret = ocfs2_add_branch(osb, handle, inode, et, bh, last_eb_bh, meta_ac); if (ret < 0) { mlog_errno(ret); @@ -2059,11 +2186,11 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, struct ocfs2_path *right_path, int subtree_index, struct ocfs2_cached_dealloc_ctxt *dealloc, - int *deleted) + int *deleted, + struct ocfs2_extent_tree *et) { int ret, i, del_right_subtree = 0, right_has_empty = 0; - struct buffer_head *root_bh, *di_bh = path_root_bh(right_path); - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; + struct buffer_head *root_bh, *et_root_bh = path_root_bh(right_path); struct ocfs2_extent_list *right_leaf_el, *left_leaf_el; struct ocfs2_extent_block *eb; @@ -2115,7 +2242,7 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, * We have to update i_last_eb_blk during the meta * data delete. */ - ret = ocfs2_journal_access(handle, inode, di_bh, + ret = ocfs2_journal_access(handle, inode, et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -2190,7 +2317,7 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, ocfs2_update_edge_lengths(inode, handle, left_path); eb = (struct ocfs2_extent_block *)path_leaf_bh(left_path)->b_data; - di->i_last_eb_blk = eb->h_blkno; + ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); /* * Removal of the extent in the left leaf was skipped @@ -2200,7 +2327,7 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, if (right_has_empty) ocfs2_remove_empty_extent(left_leaf_el); - ret = ocfs2_journal_dirty(handle, di_bh); + ret = ocfs2_journal_dirty(handle, et_root_bh); if (ret) mlog_errno(ret); @@ -2323,7 +2450,8 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, handle_t *handle, int orig_credits, struct ocfs2_path *path, struct ocfs2_cached_dealloc_ctxt *dealloc, - struct ocfs2_path **empty_extent_path) + struct ocfs2_path **empty_extent_path, + struct ocfs2_extent_tree *et) { int ret, subtree_root, deleted; u32 right_cpos; @@ -2396,7 +2524,7 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, ret = ocfs2_rotate_subtree_left(inode, handle, left_path, right_path, subtree_root, - dealloc, &deleted); + dealloc, &deleted, et); if (ret == -EAGAIN) { /* * The rotation has to temporarily stop due to @@ -2439,29 +2567,20 @@ out: } static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, - struct ocfs2_path *path, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_path *path, + struct ocfs2_cached_dealloc_ctxt *dealloc, + struct ocfs2_extent_tree *et) { int ret, subtree_index; u32 cpos; struct ocfs2_path *left_path = NULL; - struct ocfs2_dinode *di; struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; - /* - * XXX: This code assumes that the root is an inode, which is - * true for now but may change as tree code gets generic. - */ - di = (struct ocfs2_dinode *)path_root_bh(path)->b_data; - if (!OCFS2_IS_VALID_DINODE(di)) { - ret = -EIO; - ocfs2_error(inode->i_sb, - "Inode %llu has invalid path root", - (unsigned long long)OCFS2_I(inode)->ip_blkno); - goto out; - } + ret = et->eops->sanity_check(inode, et); + if (ret) + goto out; /* * There's two ways we handle this depending on * whether path is the only existing one. @@ -2518,7 +2637,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, ocfs2_update_edge_lengths(inode, handle, left_path); eb = (struct ocfs2_extent_block *)path_leaf_bh(left_path)->b_data; - di->i_last_eb_blk = eb->h_blkno; + ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); } else { /* * 'path' is also the leftmost path which @@ -2529,12 +2648,12 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, */ ocfs2_unlink_path(inode, handle, dealloc, path, 1); - el = &di->id2.i_list; + el = et->root_el; el->l_tree_depth = 0; el->l_next_free_rec = 0; memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec)); - di->i_last_eb_blk = 0; + ocfs2_set_last_eb_blk(et, 0); } ocfs2_journal_dirty(handle, path_root_bh(path)); @@ -2562,7 +2681,8 @@ out: */ static int ocfs2_rotate_tree_left(struct inode *inode, handle_t *handle, struct ocfs2_path *path, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_cached_dealloc_ctxt *dealloc, + struct ocfs2_extent_tree *et) { int ret, orig_credits = handle->h_buffer_credits; struct ocfs2_path *tmp_path = NULL, *restart_path = NULL; @@ -2576,7 +2696,7 @@ static int ocfs2_rotate_tree_left(struct inode *inode, handle_t *handle, if (path->p_tree_depth == 0) { rightmost_no_delete: /* - * In-inode extents. This is trivially handled, so do + * Inline extents. This is trivially handled, so do * it up front. */ ret = ocfs2_rotate_rightmost_leaf_left(inode, handle, @@ -2630,7 +2750,7 @@ rightmost_no_delete: */ ret = ocfs2_remove_rightmost_path(inode, handle, path, - dealloc); + dealloc, et); if (ret) mlog_errno(ret); goto out; @@ -2642,7 +2762,7 @@ rightmost_no_delete: */ try_rotate: ret = __ocfs2_rotate_tree_left(inode, handle, orig_credits, path, - dealloc, &restart_path); + dealloc, &restart_path, et); if (ret && ret != -EAGAIN) { mlog_errno(ret); goto out; @@ -2654,7 +2774,7 @@ try_rotate: ret = __ocfs2_rotate_tree_left(inode, handle, orig_credits, tmp_path, dealloc, - &restart_path); + &restart_path, et); if (ret && ret != -EAGAIN) { mlog_errno(ret); goto out; @@ -2940,6 +3060,7 @@ static int ocfs2_merge_rec_left(struct inode *inode, handle_t *handle, struct ocfs2_extent_rec *split_rec, struct ocfs2_cached_dealloc_ctxt *dealloc, + struct ocfs2_extent_tree *et, int index) { int ret, i, subtree_index = 0, has_empty_extent = 0; @@ -3060,7 +3181,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, le16_to_cpu(el->l_next_free_rec) == 1) { ret = ocfs2_remove_rightmost_path(inode, handle, - right_path, dealloc); + right_path, + dealloc, et); if (ret) { mlog_errno(ret); goto out; @@ -3087,7 +3209,8 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, int split_index, struct ocfs2_extent_rec *split_rec, struct ocfs2_cached_dealloc_ctxt *dealloc, - struct ocfs2_merge_ctxt *ctxt) + struct ocfs2_merge_ctxt *ctxt, + struct ocfs2_extent_tree *et) { int ret = 0; @@ -3105,7 +3228,7 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, * illegal. */ ret = ocfs2_rotate_tree_left(inode, handle, path, - dealloc); + dealloc, et); if (ret) { mlog_errno(ret); goto out; @@ -3148,7 +3271,8 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, BUG_ON(!ocfs2_is_empty_extent(&el->l_recs[0])); /* The merge left us with an empty extent, remove it. */ - ret = ocfs2_rotate_tree_left(inode, handle, path, dealloc); + ret = ocfs2_rotate_tree_left(inode, handle, path, + dealloc, et); if (ret) { mlog_errno(ret); goto out; @@ -3162,7 +3286,7 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, */ ret = ocfs2_merge_rec_left(inode, path, handle, rec, - dealloc, + dealloc, et, split_index); if (ret) { @@ -3171,7 +3295,7 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, } ret = ocfs2_rotate_tree_left(inode, handle, path, - dealloc); + dealloc, et); /* * Error from this last rotate is not critical, so * print but don't bubble it up. @@ -3191,7 +3315,7 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, ret = ocfs2_merge_rec_left(inode, path, handle, split_rec, - dealloc, + dealloc, et, split_index); if (ret) { mlog_errno(ret); @@ -3214,7 +3338,7 @@ static int ocfs2_try_to_merge_extent(struct inode *inode, * our leaf. Try to rotate it away. */ ret = ocfs2_rotate_tree_left(inode, handle, path, - dealloc); + dealloc, et); if (ret) mlog_errno(ret); ret = 0; @@ -3348,16 +3472,6 @@ rotate: ocfs2_rotate_leaf(el, insert_rec); } -static inline void ocfs2_update_dinode_clusters(struct inode *inode, - struct ocfs2_dinode *di, - u32 clusters) -{ - le32_add_cpu(&di->i_clusters, clusters); - spin_lock(&OCFS2_I(inode)->ip_lock); - OCFS2_I(inode)->ip_clusters = le32_to_cpu(di->i_clusters); - spin_unlock(&OCFS2_I(inode)->ip_lock); -} - static void ocfs2_adjust_rightmost_records(struct inode *inode, handle_t *handle, struct ocfs2_path *path, @@ -3559,8 +3673,8 @@ static void ocfs2_split_record(struct inode *inode, } /* - * This function only does inserts on an allocation b-tree. For dinode - * lists, ocfs2_insert_at_leaf() is called directly. + * This function only does inserts on an allocation b-tree. For tree + * depth = 0, ocfs2_insert_at_leaf() is called directly. * * right_path is the path we want to do the actual insert * in. left_path should only be passed in if we need to update that @@ -3657,7 +3771,7 @@ out: static int ocfs2_do_insert_extent(struct inode *inode, handle_t *handle, - struct buffer_head *di_bh, + struct ocfs2_extent_tree *et, struct ocfs2_extent_rec *insert_rec, struct ocfs2_insert_type *type) { @@ -3665,13 +3779,11 @@ static int ocfs2_do_insert_extent(struct inode *inode, u32 cpos; struct ocfs2_path *right_path = NULL; struct ocfs2_path *left_path = NULL; - struct ocfs2_dinode *di; struct ocfs2_extent_list *el; - di = (struct ocfs2_dinode *) di_bh->b_data; - el = &di->id2.i_list; + el = et->root_el; - ret = ocfs2_journal_access(handle, inode, di_bh, + ret = ocfs2_journal_access(handle, inode, et->root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -3683,7 +3795,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, goto out_update_clusters; } - right_path = ocfs2_new_inode_path(di_bh); + right_path = ocfs2_new_path(et->root_bh, et->root_el); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3733,7 +3845,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, * ocfs2_rotate_tree_right() might have extended the * transaction without re-journaling our tree root. */ - ret = ocfs2_journal_access(handle, inode, di_bh, + ret = ocfs2_journal_access(handle, inode, et->root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -3758,10 +3870,10 @@ static int ocfs2_do_insert_extent(struct inode *inode, out_update_clusters: if (type->ins_split == SPLIT_NONE) - ocfs2_update_dinode_clusters(inode, di, - le16_to_cpu(insert_rec->e_leaf_clusters)); + ocfs2_update_clusters(inode, et, + le16_to_cpu(insert_rec->e_leaf_clusters)); - ret = ocfs2_journal_dirty(handle, di_bh); + ret = ocfs2_journal_dirty(handle, et->root_bh); if (ret) mlog_errno(ret); @@ -3915,8 +4027,8 @@ static void ocfs2_figure_contig_type(struct inode *inode, * ocfs2_figure_appending_type() will figure out whether we'll have to * insert at the tail of the rightmost leaf. * - * This should also work against the dinode list for tree's with 0 - * depth. If we consider the dinode list to be the rightmost leaf node + * This should also work against the root extent list for tree's with 0 + * depth. If we consider the root extent list to be the rightmost leaf node * then the logic here makes sense. */ static void ocfs2_figure_appending_type(struct ocfs2_insert_type *insert, @@ -3967,14 +4079,13 @@ set_tail_append: * structure. */ static int ocfs2_figure_insert_type(struct inode *inode, - struct buffer_head *di_bh, + struct ocfs2_extent_tree *et, struct buffer_head **last_eb_bh, struct ocfs2_extent_rec *insert_rec, int *free_records, struct ocfs2_insert_type *insert) { int ret; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; struct ocfs2_path *path = NULL; @@ -3982,7 +4093,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, insert->ins_split = SPLIT_NONE; - el = &di->id2.i_list; + el = et->root_el; insert->ins_tree_depth = le16_to_cpu(el->l_tree_depth); if (el->l_tree_depth) { @@ -3993,7 +4104,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * may want it later. */ ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - le64_to_cpu(di->i_last_eb_blk), &bh, + ocfs2_get_last_eb_blk(et), &bh, OCFS2_BH_CACHED, inode); if (ret) { mlog_exit(ret); @@ -4020,7 +4131,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, return 0; } - path = ocfs2_new_inode_path(di_bh); + path = ocfs2_new_path(et->root_bh, et->root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -4070,7 +4181,8 @@ static int ocfs2_figure_insert_type(struct inode *inode, * the case that we're doing a tail append, so maybe we can * take advantage of that information somehow. */ - if (le64_to_cpu(di->i_last_eb_blk) == path_leaf_bh(path)->b_blocknr) { + if (ocfs2_get_last_eb_blk(et) == + path_leaf_bh(path)->b_blocknr) { /* * Ok, ocfs2_find_path() returned us the rightmost * tree path. This might be an appending insert. There are @@ -4100,21 +4212,30 @@ out: int ocfs2_insert_extent(struct ocfs2_super *osb, handle_t *handle, struct inode *inode, - struct buffer_head *fe_bh, + struct buffer_head *root_bh, u32 cpos, u64 start_blk, u32 new_clusters, u8 flags, - struct ocfs2_alloc_context *meta_ac) + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_extent_tree_type et_type) { int status; int uninitialized_var(free_records); struct buffer_head *last_eb_bh = NULL; struct ocfs2_insert_type insert = {0, }; struct ocfs2_extent_rec rec; + struct ocfs2_extent_tree *et = NULL; BUG_ON(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL); + et = ocfs2_new_extent_tree(root_bh, et_type); + if (!et) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + mlog(0, "add %u clusters at position %u to inode %llu\n", new_clusters, cpos, (unsigned long long)OCFS2_I(inode)->ip_blkno); @@ -4132,7 +4253,7 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, rec.e_leaf_clusters = cpu_to_le16(new_clusters); rec.e_flags = flags; - status = ocfs2_figure_insert_type(inode, fe_bh, &last_eb_bh, &rec, + status = ocfs2_figure_insert_type(inode, et, &last_eb_bh, &rec, &free_records, &insert); if (status < 0) { mlog_errno(status); @@ -4146,7 +4267,7 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, free_records, insert.ins_tree_depth); if (insert.ins_contig == CONTIG_NONE && free_records == 0) { - status = ocfs2_grow_tree(inode, handle, fe_bh, + status = ocfs2_grow_tree(inode, handle, et, &insert.ins_tree_depth, &last_eb_bh, meta_ac); if (status) { @@ -4156,16 +4277,18 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, } /* Finally, we can add clusters. This might rotate the tree for us. */ - status = ocfs2_do_insert_extent(inode, handle, fe_bh, &rec, &insert); + status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert); if (status < 0) mlog_errno(status); - else + else if (et->type == OCFS2_DINODE_EXTENT) ocfs2_extent_map_insert_rec(inode, &rec); bail: if (last_eb_bh) brelse(last_eb_bh); + if (et) + ocfs2_free_extent_tree(et); mlog_exit(status); return status; } @@ -4193,7 +4316,7 @@ static void ocfs2_make_right_split_rec(struct super_block *sb, static int ocfs2_split_and_insert(struct inode *inode, handle_t *handle, struct ocfs2_path *path, - struct buffer_head *di_bh, + struct ocfs2_extent_tree *et, struct buffer_head **last_eb_bh, int split_index, struct ocfs2_extent_rec *orig_split_rec, @@ -4207,7 +4330,6 @@ static int ocfs2_split_and_insert(struct inode *inode, struct ocfs2_extent_rec split_rec = *orig_split_rec; struct ocfs2_insert_type insert; struct ocfs2_extent_block *eb; - struct ocfs2_dinode *di; leftright: /* @@ -4216,8 +4338,7 @@ leftright: */ rec = path_leaf_el(path)->l_recs[split_index]; - di = (struct ocfs2_dinode *)di_bh->b_data; - rightmost_el = &di->id2.i_list; + rightmost_el = et->root_el; depth = le16_to_cpu(rightmost_el->l_tree_depth); if (depth) { @@ -4228,8 +4349,8 @@ leftright: if (le16_to_cpu(rightmost_el->l_next_free_rec) == le16_to_cpu(rightmost_el->l_count)) { - ret = ocfs2_grow_tree(inode, handle, di_bh, &depth, last_eb_bh, - meta_ac); + ret = ocfs2_grow_tree(inode, handle, et, + &depth, last_eb_bh, meta_ac); if (ret) { mlog_errno(ret); goto out; @@ -4266,8 +4387,7 @@ leftright: do_leftright = 1; } - ret = ocfs2_do_insert_extent(inode, handle, di_bh, &split_rec, - &insert); + ret = ocfs2_do_insert_extent(inode, handle, et, &split_rec, &insert); if (ret) { mlog_errno(ret); goto out; @@ -4309,8 +4429,9 @@ out: * of the tree is required. All other cases will degrade into a less * optimal tree layout. * - * last_eb_bh should be the rightmost leaf block for any inode with a - * btree. Since a split may grow the tree or a merge might shrink it, the caller cannot trust the contents of that buffer after this call. + * last_eb_bh should be the rightmost leaf block for any extent + * btree. Since a split may grow the tree or a merge might shrink it, + * the caller cannot trust the contents of that buffer after this call. * * This code is optimized for readability - several passes might be * made over certain portions of the tree. All of those blocks will @@ -4318,7 +4439,7 @@ out: * extra overhead is not expressed in terms of disk reads. */ static int __ocfs2_mark_extent_written(struct inode *inode, - struct buffer_head *di_bh, + struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_path *path, int split_index, @@ -4358,10 +4479,9 @@ static int __ocfs2_mark_extent_written(struct inode *inode, */ if (path->p_tree_depth) { struct ocfs2_extent_block *eb; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - le64_to_cpu(di->i_last_eb_blk), + ocfs2_get_last_eb_blk(et), &last_eb_bh, OCFS2_BH_CACHED, inode); if (ret) { mlog_exit(ret); @@ -4395,7 +4515,7 @@ static int __ocfs2_mark_extent_written(struct inode *inode, if (ctxt.c_split_covers_rec) el->l_recs[split_index] = *split_rec; else - ret = ocfs2_split_and_insert(inode, handle, path, di_bh, + ret = ocfs2_split_and_insert(inode, handle, path, et, &last_eb_bh, split_index, split_rec, meta_ac); if (ret) @@ -4403,7 +4523,7 @@ static int __ocfs2_mark_extent_written(struct inode *inode, } else { ret = ocfs2_try_to_merge_extent(inode, handle, path, split_index, split_rec, - dealloc, &ctxt); + dealloc, &ctxt, et); if (ret) mlog_errno(ret); } @@ -4421,16 +4541,18 @@ out: * * The caller is responsible for passing down meta_ac if we'll need it. */ -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *di_bh, +int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_cached_dealloc_ctxt *dealloc, + enum ocfs2_extent_tree_type et_type) { int ret, index; u64 start_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys); struct ocfs2_extent_rec split_rec; struct ocfs2_path *left_path = NULL; struct ocfs2_extent_list *el; + struct ocfs2_extent_tree *et = NULL; mlog(0, "Inode %lu cpos %u, len %u, phys %u (%llu)\n", inode->i_ino, cpos, len, phys, (unsigned long long)start_blkno); @@ -4444,13 +4566,21 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *di_bh, goto out; } + et = ocfs2_new_extent_tree(root_bh, et_type); + if (!et) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + /* * XXX: This should be fixed up so that we just re-insert the * next extent records. */ - ocfs2_extent_map_trunc(inode, 0); + if (et_type == OCFS2_DINODE_EXTENT) + ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_inode_path(di_bh); + left_path = ocfs2_new_path(et->root_bh, et->root_el); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4481,23 +4611,25 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *di_bh, split_rec.e_flags = path_leaf_el(left_path)->l_recs[index].e_flags; split_rec.e_flags &= ~OCFS2_EXT_UNWRITTEN; - ret = __ocfs2_mark_extent_written(inode, di_bh, handle, left_path, - index, &split_rec, meta_ac, dealloc); + ret = __ocfs2_mark_extent_written(inode, et, handle, left_path, + index, &split_rec, meta_ac, + dealloc); if (ret) mlog_errno(ret); out: ocfs2_free_path(left_path); + if (et) + ocfs2_free_extent_tree(et); return ret; } -static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, +static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_path *path, int index, u32 new_range, struct ocfs2_alloc_context *meta_ac) { int ret, depth, credits = handle->h_buffer_credits; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct buffer_head *last_eb_bh = NULL; struct ocfs2_extent_block *eb; struct ocfs2_extent_list *rightmost_el, *el; @@ -4515,7 +4647,7 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, depth = path->p_tree_depth; if (depth > 0) { ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - le64_to_cpu(di->i_last_eb_blk), + ocfs2_get_last_eb_blk(et), &last_eb_bh, OCFS2_BH_CACHED, inode); if (ret < 0) { mlog_errno(ret); @@ -4528,7 +4660,7 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, rightmost_el = path_leaf_el(path); credits += path->p_tree_depth + - ocfs2_extend_meta_needed(&di->id2.i_list); + ocfs2_extend_meta_needed(et->root_el); ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); @@ -4537,7 +4669,7 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, if (le16_to_cpu(rightmost_el->l_next_free_rec) == le16_to_cpu(rightmost_el->l_count)) { - ret = ocfs2_grow_tree(inode, handle, di_bh, &depth, &last_eb_bh, + ret = ocfs2_grow_tree(inode, handle, et, &depth, &last_eb_bh, meta_ac); if (ret) { mlog_errno(ret); @@ -4551,7 +4683,7 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, insert.ins_split = SPLIT_RIGHT; insert.ins_tree_depth = depth; - ret = ocfs2_do_insert_extent(inode, handle, di_bh, &split_rec, &insert); + ret = ocfs2_do_insert_extent(inode, handle, et, &split_rec, &insert); if (ret) mlog_errno(ret); @@ -4563,7 +4695,8 @@ out: static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle, struct ocfs2_path *path, int index, struct ocfs2_cached_dealloc_ctxt *dealloc, - u32 cpos, u32 len) + u32 cpos, u32 len, + struct ocfs2_extent_tree *et) { int ret; u32 left_cpos, rec_range, trunc_range; @@ -4575,7 +4708,7 @@ static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle, struct ocfs2_extent_block *eb; if (ocfs2_is_empty_extent(&el->l_recs[0]) && index > 0) { - ret = ocfs2_rotate_tree_left(inode, handle, path, dealloc); + ret = ocfs2_rotate_tree_left(inode, handle, path, dealloc, et); if (ret) { mlog_errno(ret); goto out; @@ -4706,7 +4839,7 @@ static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle, ocfs2_journal_dirty(handle, path_leaf_bh(path)); - ret = ocfs2_rotate_tree_left(inode, handle, path, dealloc); + ret = ocfs2_rotate_tree_left(inode, handle, path, dealloc, et); if (ret) { mlog_errno(ret); goto out; @@ -4717,20 +4850,29 @@ out: return ret; } -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, +int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_cached_dealloc_ctxt *dealloc, + enum ocfs2_extent_tree_type et_type) { int ret, index; u32 rec_range, trunc_range; struct ocfs2_extent_rec *rec; struct ocfs2_extent_list *el; - struct ocfs2_path *path; + struct ocfs2_path *path = NULL; + struct ocfs2_extent_tree *et = NULL; + + et = ocfs2_new_extent_tree(root_bh, et_type); + if (!et) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_inode_path(di_bh); + path = ocfs2_new_path(et->root_bh, et->root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -4783,13 +4925,13 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, if (le32_to_cpu(rec->e_cpos) == cpos || rec_range == trunc_range) { ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; } } else { - ret = ocfs2_split_tree(inode, di_bh, handle, path, index, + ret = ocfs2_split_tree(inode, et, handle, path, index, trunc_range, meta_ac); if (ret) { mlog_errno(ret); @@ -4838,7 +4980,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, } ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; @@ -4847,6 +4989,8 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, out: ocfs2_free_path(path); + if (et) + ocfs2_free_extent_tree(et); return ret; } @@ -6355,7 +6499,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, * the in-inode data from our pages. */ ret = ocfs2_insert_extent(osb, handle, inode, di_bh, - 0, block, 1, 0, NULL); + 0, block, 1, 0, + NULL, OCFS2_DINODE_EXTENT); if (ret) { mlog_errno(ret); goto out_commit; @@ -6397,13 +6542,14 @@ int ocfs2_commit_truncate(struct ocfs2_super *osb, handle_t *handle = NULL; struct inode *tl_inode = osb->osb_tl_inode; struct ocfs2_path *path = NULL; + struct ocfs2_dinode *di = (struct ocfs2_dinode *)fe_bh->b_data; mlog_entry_void(); new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb, i_size_read(inode)); - path = ocfs2_new_inode_path(fe_bh); + path = ocfs2_new_path(fe_bh, &di->id2.i_list); if (!path) { status = -ENOMEM; mlog_errno(status); diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index a0e334f10cd1..473c8bcc62fb 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -26,28 +26,37 @@ #ifndef OCFS2_ALLOC_H #define OCFS2_ALLOC_H +enum ocfs2_extent_tree_type { + OCFS2_DINODE_EXTENT = 0, +}; + struct ocfs2_alloc_context; int ocfs2_insert_extent(struct ocfs2_super *osb, handle_t *handle, struct inode *inode, - struct buffer_head *fe_bh, + struct buffer_head *root_bh, u32 cpos, u64 start_blk, u32 new_clusters, u8 flags, - struct ocfs2_alloc_context *meta_ac); + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_extent_tree_type et_type); struct ocfs2_cached_dealloc_ctxt; -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *di_bh, +int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc); -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *di_bh, + struct ocfs2_cached_dealloc_ctxt *dealloc, + enum ocfs2_extent_tree_type et_type); +int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc); + struct ocfs2_cached_dealloc_ctxt *dealloc, + enum ocfs2_extent_tree_type et_type); int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *bh); + struct buffer_head *root_bh, + enum ocfs2_extent_tree_type et_type); + /* * how many new metadata chunks would an allocation need at maximum? * diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index bbe3f8b2d0e2..44ea5eb3fdc4 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1278,7 +1278,8 @@ static int ocfs2_write_cluster(struct address_space *mapping, } else if (unwritten) { ret = ocfs2_mark_extent_written(inode, wc->w_di_bh, wc->w_handle, cpos, 1, phys, - meta_ac, &wc->w_dealloc); + meta_ac, &wc->w_dealloc, + OCFS2_DINODE_EXTENT); if (ret < 0) { mlog_errno(ret); goto out; @@ -1712,7 +1713,13 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, * ocfs2_lock_allocators(). It greatly over-estimates * the work to be done. */ - ret = ocfs2_lock_allocators(inode, wc->w_di_bh, + mlog(0, "extend inode %llu, i_size = %lld, di->i_clusters = %u," + " clusters_to_add = %u, extents_to_split = %u\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (long long)i_size_read(inode), le32_to_cpu(di->i_clusters), + clusters_to_alloc, extents_to_split); + + ret = ocfs2_lock_allocators(inode, wc->w_di_bh, &di->id2.i_list, clusters_to_alloc, extents_to_split, &data_ac, &meta_ac); if (ret) { diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 126aa219c0c1..ba0fb9e16264 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1306,7 +1306,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * related blocks have been journaled already. */ ret = ocfs2_insert_extent(osb, handle, dir, di_bh, 0, blkno, len, 0, - NULL); + NULL, OCFS2_DINODE_EXTENT); if (ret) { mlog_errno(ret); goto out_commit; @@ -1338,7 +1338,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off); ret = ocfs2_insert_extent(osb, handle, dir, di_bh, 1, blkno, - len, 0, NULL); + len, 0, NULL, OCFS2_DINODE_EXTENT); if (ret) { mlog_errno(ret); goto out_commit; @@ -1481,7 +1481,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) { spin_unlock(&OCFS2_I(dir)->ip_lock); num_free_extents = ocfs2_num_free_extents(osb, dir, - parent_fe_bh); + parent_fe_bh, + OCFS2_DINODE_EXTENT); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index a31bba6c5575..f567cc53d9bc 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -521,7 +521,8 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, inode, fe_bh); + free_extents = ocfs2_num_free_extents(osb, inode, fe_bh, + OCFS2_DINODE_EXTENT); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -570,7 +571,7 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); status = ocfs2_insert_extent(osb, handle, inode, fe_bh, *logical_offset, block, num_bits, - flags, meta_ac); + flags, meta_ac, OCFS2_DINODE_EXTENT); if (status < 0) { mlog_errno(status); goto leave; @@ -599,92 +600,6 @@ leave: return status; } -/* - * For a given allocation, determine which allocators will need to be - * accessed, and lock them, reserving the appropriate number of bits. - * - * Sparse file systems call this from ocfs2_write_begin_nolock() - * and ocfs2_allocate_unwritten_extents(). - * - * File systems which don't support holes call this from - * ocfs2_extend_allocation(). - */ -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *di_bh, - u32 clusters_to_add, u32 extents_to_split, - struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac) -{ - int ret = 0, num_free_extents; - unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - - *meta_ac = NULL; - if (data_ac) - *data_ac = NULL; - - BUG_ON(clusters_to_add != 0 && data_ac == NULL); - - mlog(0, "extend inode %llu, i_size = %lld, di->i_clusters = %u, " - "clusters_to_add = %u, extents_to_split = %u\n", - (unsigned long long)OCFS2_I(inode)->ip_blkno, (long long)i_size_read(inode), - le32_to_cpu(di->i_clusters), clusters_to_add, extents_to_split); - - num_free_extents = ocfs2_num_free_extents(osb, inode, di_bh); - if (num_free_extents < 0) { - ret = num_free_extents; - mlog_errno(ret); - goto out; - } - - /* - * Sparse allocation file systems need to be more conservative - * with reserving room for expansion - the actual allocation - * happens while we've got a journal handle open so re-taking - * a cluster lock (because we ran out of room for another - * extent) will violate ordering rules. - * - * Most of the time we'll only be seeing this 1 cluster at a time - * anyway. - * - * Always lock for any unwritten extents - we might want to - * add blocks during a split. - */ - if (!num_free_extents || - (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { - ret = ocfs2_reserve_new_metadata(osb, &di->id2.i_list, meta_ac); - if (ret < 0) { - if (ret != -ENOSPC) - mlog_errno(ret); - goto out; - } - } - - if (clusters_to_add == 0) - goto out; - - ret = ocfs2_reserve_clusters(osb, clusters_to_add, data_ac); - if (ret < 0) { - if (ret != -ENOSPC) - mlog_errno(ret); - goto out; - } - -out: - if (ret) { - if (*meta_ac) { - ocfs2_free_alloc_context(*meta_ac); - *meta_ac = NULL; - } - - /* - * We cannot have an error and a non null *data_ac. - */ - } - - return ret; -} - static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, u32 clusters_to_add, int mark_unwritten) { @@ -725,7 +640,13 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, restart_all: BUG_ON(le32_to_cpu(fe->i_clusters) != OCFS2_I(inode)->ip_clusters); - status = ocfs2_lock_allocators(inode, bh, clusters_to_add, 0, &data_ac, + mlog(0, "extend inode %llu, i_size = %lld, di->i_clusters = %u, " + "clusters_to_add = %u\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (long long)i_size_read(inode), le32_to_cpu(fe->i_clusters), + clusters_to_add); + status = ocfs2_lock_allocators(inode, bh, &fe->id2.i_list, + clusters_to_add, 0, &data_ac, &meta_ac); if (status) { mlog_errno(status); @@ -1397,7 +1318,8 @@ static int __ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - ret = ocfs2_lock_allocators(inode, di_bh, 0, 1, NULL, &meta_ac); + ret = ocfs2_lock_allocators(inode, di_bh, &di->id2.i_list, + 0, 1, NULL, &meta_ac); if (ret) { mlog_errno(ret); return ret; @@ -1428,7 +1350,7 @@ static int __ocfs2_remove_inode_range(struct inode *inode, } ret = ocfs2_remove_extent(inode, di_bh, cpos, len, handle, meta_ac, - dealloc); + dealloc, OCFS2_DINODE_EXTENT); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index c96b8054fbe7..18e5c80cc737 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -57,10 +57,6 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb, enum ocfs2_alloc_restarted *reason_ret); int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size, u64 zero_to); -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *fe, - u32 clusters_to_add, u32 extents_to_split, - struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac); int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 2a817bca1ddb..b642c825fb7c 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1894,3 +1894,85 @@ static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe) (unsigned long long)fe->id2.i_chain.cl_recs[i].c_blkno); } } + +/* + * For a given allocation, determine which allocators will need to be + * accessed, and lock them, reserving the appropriate number of bits. + * + * Sparse file systems call this from ocfs2_write_begin_nolock() + * and ocfs2_allocate_unwritten_extents(). + * + * File systems which don't support holes call this from + * ocfs2_extend_allocation(). + */ +int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, + struct ocfs2_extent_list *root_el, + u32 clusters_to_add, u32 extents_to_split, + struct ocfs2_alloc_context **data_ac, + struct ocfs2_alloc_context **meta_ac) +{ + int ret = 0, num_free_extents; + unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + *meta_ac = NULL; + if (data_ac) + *data_ac = NULL; + + BUG_ON(clusters_to_add != 0 && data_ac == NULL); + + num_free_extents = ocfs2_num_free_extents(osb, inode, root_bh, + OCFS2_DINODE_EXTENT); + if (num_free_extents < 0) { + ret = num_free_extents; + mlog_errno(ret); + goto out; + } + + /* + * Sparse allocation file systems need to be more conservative + * with reserving room for expansion - the actual allocation + * happens while we've got a journal handle open so re-taking + * a cluster lock (because we ran out of room for another + * extent) will violate ordering rules. + * + * Most of the time we'll only be seeing this 1 cluster at a time + * anyway. + * + * Always lock for any unwritten extents - we might want to + * add blocks during a split. + */ + if (!num_free_extents || + (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { + ret = ocfs2_reserve_new_metadata(osb, root_el, meta_ac); + if (ret < 0) { + if (ret != -ENOSPC) + mlog_errno(ret); + goto out; + } + } + + if (clusters_to_add == 0) + goto out; + + ret = ocfs2_reserve_clusters(osb, clusters_to_add, data_ac); + if (ret < 0) { + if (ret != -ENOSPC) + mlog_errno(ret); + goto out; + } + +out: + if (ret) { + if (*meta_ac) { + ocfs2_free_alloc_context(*meta_ac); + *meta_ac = NULL; + } + + /* + * We cannot have an error and a non null *data_ac. + */ + } + + return ret; +} diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 3f96c875bcf7..a3e531e62df2 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -162,4 +162,9 @@ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); int ocfs2_check_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, struct ocfs2_group_desc *gd); +int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, + struct ocfs2_extent_list *root_el, + u32 clusters_to_add, u32 extents_to_split, + struct ocfs2_alloc_context **data_ac, + struct ocfs2_alloc_context **meta_ac); #endif /* _CHAINALLOC_H_ */ -- GitLab From 0eb8d47e69a2211a36643b180f1843ef45f6017d Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:45 +0800 Subject: [PATCH 4503/6244] ocfs2: Make high level btree extend code generic Factor out the non-inode specifics of ocfs2_do_extend_allocation() into a more generic function, ocfs2_do_cluster_allocation(). ocfs2_do_extend_allocation calls ocfs2_do_cluster_allocation() now, but the latter can be used for other btree types as well. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 110 ++++++++++++++++++++++++++++++++++++++ fs/ocfs2/alloc.h | 17 ++++++ fs/ocfs2/aops.c | 8 +-- fs/ocfs2/dir.c | 6 +-- fs/ocfs2/file.c | 136 ++++++++++------------------------------------- fs/ocfs2/file.h | 26 ++++----- fs/ocfs2/namei.c | 8 +-- 7 files changed, 176 insertions(+), 135 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 579659bae6c5..cacfc118b71c 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -4293,6 +4293,116 @@ bail: return status; } +/* + * Allcate and add clusters into the extent b-tree. + * The new clusters(clusters_to_add) will be inserted at logical_offset. + * The extent b-tree's root is root_el and it should be in root_bh, and + * it is not limited to the file storage. Any extent tree can use this + * function if it implements the proper ocfs2_extent_tree. + */ +int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, + struct inode *inode, + u32 *logical_offset, + u32 clusters_to_add, + int mark_unwritten, + struct buffer_head *root_bh, + struct ocfs2_extent_list *root_el, + handle_t *handle, + struct ocfs2_alloc_context *data_ac, + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_alloc_restarted *reason_ret, + enum ocfs2_extent_tree_type type) +{ + int status = 0; + int free_extents; + enum ocfs2_alloc_restarted reason = RESTART_NONE; + u32 bit_off, num_bits; + u64 block; + u8 flags = 0; + + BUG_ON(!clusters_to_add); + + if (mark_unwritten) + flags = OCFS2_EXT_UNWRITTEN; + + free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type); + if (free_extents < 0) { + status = free_extents; + mlog_errno(status); + goto leave; + } + + /* there are two cases which could cause us to EAGAIN in the + * we-need-more-metadata case: + * 1) we haven't reserved *any* + * 2) we are so fragmented, we've needed to add metadata too + * many times. */ + if (!free_extents && !meta_ac) { + mlog(0, "we haven't reserved any metadata!\n"); + status = -EAGAIN; + reason = RESTART_META; + goto leave; + } else if ((!free_extents) + && (ocfs2_alloc_context_bits_left(meta_ac) + < ocfs2_extend_meta_needed(root_el))) { + mlog(0, "filesystem is really fragmented...\n"); + status = -EAGAIN; + reason = RESTART_META; + goto leave; + } + + status = __ocfs2_claim_clusters(osb, handle, data_ac, 1, + clusters_to_add, &bit_off, &num_bits); + if (status < 0) { + if (status != -ENOSPC) + mlog_errno(status); + goto leave; + } + + BUG_ON(num_bits > clusters_to_add); + + /* reserve our write early -- insert_extent may update the inode */ + status = ocfs2_journal_access(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + block = ocfs2_clusters_to_blocks(osb->sb, bit_off); + mlog(0, "Allocating %u clusters at block %u for inode %llu\n", + num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); + status = ocfs2_insert_extent(osb, handle, inode, root_bh, + *logical_offset, block, num_bits, + flags, meta_ac, type); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + status = ocfs2_journal_dirty(handle, root_bh); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + clusters_to_add -= num_bits; + *logical_offset += num_bits; + + if (clusters_to_add) { + mlog(0, "need to alloc once more, wanted = %u\n", + clusters_to_add); + status = -EAGAIN; + reason = RESTART_TRANS; + } + +leave: + mlog_exit(status); + if (reason_ret) + *reason_ret = reason; + return status; +} + static void ocfs2_make_right_split_rec(struct super_block *sb, struct ocfs2_extent_rec *split_rec, u32 cpos, diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 473c8bcc62fb..5e090c5d8498 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -41,6 +41,23 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, u8 flags, struct ocfs2_alloc_context *meta_ac, enum ocfs2_extent_tree_type et_type); +enum ocfs2_alloc_restarted { + RESTART_NONE = 0, + RESTART_TRANS, + RESTART_META +}; +int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, + struct inode *inode, + u32 *logical_offset, + u32 clusters_to_add, + int mark_unwritten, + struct buffer_head *root_bh, + struct ocfs2_extent_list *root_el, + handle_t *handle, + struct ocfs2_alloc_context *data_ac, + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_alloc_restarted *reason_ret, + enum ocfs2_extent_tree_type type); struct ocfs2_cached_dealloc_ctxt; int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, handle_t *handle, u32 cpos, u32 len, u32 phys, diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 44ea5eb3fdc4..e7acd2867904 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1255,10 +1255,10 @@ static int ocfs2_write_cluster(struct address_space *mapping, * any additional semaphores or cluster locks. */ tmp_pos = cpos; - ret = ocfs2_do_extend_allocation(OCFS2_SB(inode->i_sb), inode, - &tmp_pos, 1, 0, wc->w_di_bh, - wc->w_handle, data_ac, - meta_ac, NULL); + ret = ocfs2_add_inode_data(OCFS2_SB(inode->i_sb), inode, + &tmp_pos, 1, 0, wc->w_di_bh, + wc->w_handle, data_ac, + meta_ac, NULL); /* * This shouldn't happen because we must have already * calculated the correct meta data allocation required. The diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index ba0fb9e16264..d17c34b0ac6b 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1383,9 +1383,9 @@ static int ocfs2_do_extend_dir(struct super_block *sb, if (extend) { u32 offset = OCFS2_I(dir)->ip_clusters; - status = ocfs2_do_extend_allocation(OCFS2_SB(sb), dir, &offset, - 1, 0, parent_fe_bh, handle, - data_ac, meta_ac, NULL); + status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset, + 1, 0, parent_fe_bh, handle, + data_ac, meta_ac, NULL); BUG_ON(status == -EAGAIN); if (status < 0) { mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index f567cc53d9bc..7bb4fde70054 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -488,7 +488,7 @@ bail: } /* - * extend allocation only here. + * extend file allocation only here. * we'll update all the disk stuff, and oip->alloc_size * * expect stuff to be locked, a transaction started and enough data / @@ -497,107 +497,25 @@ bail: * Will return -EAGAIN, and a reason if a restart is needed. * If passed in, *reason will always be set, even in error. */ -int ocfs2_do_extend_allocation(struct ocfs2_super *osb, - struct inode *inode, - u32 *logical_offset, - u32 clusters_to_add, - int mark_unwritten, - struct buffer_head *fe_bh, - handle_t *handle, - struct ocfs2_alloc_context *data_ac, - struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret) +int ocfs2_add_inode_data(struct ocfs2_super *osb, + struct inode *inode, + u32 *logical_offset, + u32 clusters_to_add, + int mark_unwritten, + struct buffer_head *fe_bh, + handle_t *handle, + struct ocfs2_alloc_context *data_ac, + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_alloc_restarted *reason_ret) { - int status = 0; - int free_extents; struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data; - enum ocfs2_alloc_restarted reason = RESTART_NONE; - u32 bit_off, num_bits; - u64 block; - u8 flags = 0; - - BUG_ON(!clusters_to_add); - - if (mark_unwritten) - flags = OCFS2_EXT_UNWRITTEN; - - free_extents = ocfs2_num_free_extents(osb, inode, fe_bh, - OCFS2_DINODE_EXTENT); - if (free_extents < 0) { - status = free_extents; - mlog_errno(status); - goto leave; - } - - /* there are two cases which could cause us to EAGAIN in the - * we-need-more-metadata case: - * 1) we haven't reserved *any* - * 2) we are so fragmented, we've needed to add metadata too - * many times. */ - if (!free_extents && !meta_ac) { - mlog(0, "we haven't reserved any metadata!\n"); - status = -EAGAIN; - reason = RESTART_META; - goto leave; - } else if ((!free_extents) - && (ocfs2_alloc_context_bits_left(meta_ac) - < ocfs2_extend_meta_needed(&fe->id2.i_list))) { - mlog(0, "filesystem is really fragmented...\n"); - status = -EAGAIN; - reason = RESTART_META; - goto leave; - } + struct ocfs2_extent_list *el = &fe->id2.i_list; - status = __ocfs2_claim_clusters(osb, handle, data_ac, 1, - clusters_to_add, &bit_off, &num_bits); - if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); - goto leave; - } - - BUG_ON(num_bits > clusters_to_add); - - /* reserve our write early -- insert_extent may update the inode */ - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (status < 0) { - mlog_errno(status); - goto leave; - } - - block = ocfs2_clusters_to_blocks(osb->sb, bit_off); - mlog(0, "Allocating %u clusters at block %u for inode %llu\n", - num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - status = ocfs2_insert_extent(osb, handle, inode, fe_bh, - *logical_offset, block, num_bits, - flags, meta_ac, OCFS2_DINODE_EXTENT); - if (status < 0) { - mlog_errno(status); - goto leave; - } - - status = ocfs2_journal_dirty(handle, fe_bh); - if (status < 0) { - mlog_errno(status); - goto leave; - } - - clusters_to_add -= num_bits; - *logical_offset += num_bits; - - if (clusters_to_add) { - mlog(0, "need to alloc once more, clusters = %u, wanted = " - "%u\n", fe->i_clusters, clusters_to_add); - status = -EAGAIN; - reason = RESTART_TRANS; - } - -leave: - mlog_exit(status); - if (reason_ret) - *reason_ret = reason; - return status; + return ocfs2_add_clusters_in_btree(osb, inode, logical_offset, + clusters_to_add, mark_unwritten, + fe_bh, el, handle, + data_ac, meta_ac, reason_ret, + OCFS2_DINODE_EXTENT); } static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, @@ -676,16 +594,16 @@ restarted_transaction: prev_clusters = OCFS2_I(inode)->ip_clusters; - status = ocfs2_do_extend_allocation(osb, - inode, - &logical_start, - clusters_to_add, - mark_unwritten, - bh, - handle, - data_ac, - meta_ac, - &why); + status = ocfs2_add_inode_data(osb, + inode, + &logical_start, + clusters_to_add, + mark_unwritten, + bh, + handle, + data_ac, + meta_ac, + &why); if ((status < 0) && (status != -EAGAIN)) { if (status != -ENOSPC) mlog_errno(status); diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index 18e5c80cc737..e92382cbca5f 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -33,6 +33,7 @@ extern const struct file_operations ocfs2_dops_no_plocks; extern const struct inode_operations ocfs2_file_iops; extern const struct inode_operations ocfs2_special_file_iops; struct ocfs2_alloc_context; +enum ocfs2_alloc_restarted; struct ocfs2_file_private { struct file *fp_file; @@ -40,21 +41,16 @@ struct ocfs2_file_private { struct ocfs2_lock_res fp_flock; }; -enum ocfs2_alloc_restarted { - RESTART_NONE = 0, - RESTART_TRANS, - RESTART_META -}; -int ocfs2_do_extend_allocation(struct ocfs2_super *osb, - struct inode *inode, - u32 *logical_offset, - u32 clusters_to_add, - int mark_unwritten, - struct buffer_head *fe_bh, - handle_t *handle, - struct ocfs2_alloc_context *data_ac, - struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret); +int ocfs2_add_inode_data(struct ocfs2_super *osb, + struct inode *inode, + u32 *logical_offset, + u32 clusters_to_add, + int mark_unwritten, + struct buffer_head *fe_bh, + handle_t *handle, + struct ocfs2_alloc_context *data_ac, + struct ocfs2_alloc_context *meta_ac, + enum ocfs2_alloc_restarted *reason_ret); int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size, u64 zero_to); int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index d5d808fe0140..2cd6f501755e 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1598,10 +1598,10 @@ static int ocfs2_symlink(struct inode *dir, u32 offset = 0; inode->i_op = &ocfs2_symlink_inode_operations; - status = ocfs2_do_extend_allocation(osb, inode, &offset, 1, 0, - new_fe_bh, - handle, data_ac, NULL, - NULL); + status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0, + new_fe_bh, + handle, data_ac, NULL, + NULL); if (status < 0) { if (status != -ENOSPC && status != -EINTR) { mlog(ML_ERROR, -- GitLab From 5a7bc8eb29b8c759df374d97b6189e03d4ea71c5 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:46 +0800 Subject: [PATCH 4504/6244] ocfs2: Add the basic xattr disk layout in ocfs2_fs.h Ocfs2 uses a very flexible structure for storing extended attributes on disk. Small amount of attributes are stored directly in the inode block - up to 256 bytes worth. If that fills up, attributes are also stored in an external block, linked to from the inode block. That block can in turn expand to a btree, capable of storing large numbers of attributes. Individual attribute values are stored inline if they're small enough (currently about 80 bytes, this can be changed though), and otherwise are expanded to a btree. The theoretical limit to the size of an individual attribute is about the same as an inode, though the kernel's upper bound on the size of an attributes data is far smaller. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/ocfs2_fs.h | 118 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 4f619850ccf7..1b46505e1e36 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -64,6 +64,7 @@ #define OCFS2_INODE_SIGNATURE "INODE01" #define OCFS2_EXTENT_BLOCK_SIGNATURE "EXBLK01" #define OCFS2_GROUP_DESC_SIGNATURE "GROUP01" +#define OCFS2_XATTR_BLOCK_SIGNATURE "XATTR01" /* Compatibility flags */ #define OCFS2_HAS_COMPAT_FEATURE(sb,mask) \ @@ -715,6 +716,123 @@ struct ocfs2_group_desc /*40*/ __u8 bg_bitmap[0]; }; +/* + * On disk extended attribute structure for OCFS2. + */ + +/* + * ocfs2_xattr_entry indicates one extend attribute. + * + * Note that it can be stored in inode, one block or one xattr bucket. + */ +struct ocfs2_xattr_entry { + __le32 xe_name_hash; /* hash value of xattr prefix+suffix. */ + __le16 xe_name_offset; /* byte offset from the 1st etnry in the local + local xattr storage(inode, xattr block or + xattr bucket). */ + __u8 xe_name_len; /* xattr name len, does't include prefix. */ + __u8 xe_type; /* the low 7 bits indicates the name prefix's + * type and the highest 1 bits indicate whether + * the EA is stored in the local storage. */ + __le64 xe_value_size; /* real xattr value length. */ +}; + +/* + * On disk structure for xattr header. + * + * One ocfs2_xattr_header describes how many ocfs2_xattr_entry records in + * the local xattr storage. + */ +struct ocfs2_xattr_header { + __le16 xh_count; /* contains the count of how + many records are in the + local xattr storage. */ + __le16 xh_reserved1; + __le32 xh_reserved2; + __le64 xh_csum; + struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */ +}; + +/* + * On disk structure for xattr value root. + * + * It is used when one extended attribute's size is larger, and we will save it + * in an outside cluster. It will stored in a b-tree like file content. + */ +struct ocfs2_xattr_value_root { +/*00*/ __le32 xr_clusters; /* clusters covered by xattr value. */ + __le32 xr_reserved0; + __le64 xr_last_eb_blk; /* Pointer to last extent block */ +/*10*/ struct ocfs2_extent_list xr_list; /* Extent record list */ +}; + +/* + * On disk structure for xattr tree root. + * + * It is used when there are too many extended attributes for one file. These + * attributes will be organized and stored in an indexed-btree. + */ +struct ocfs2_xattr_tree_root { +/*00*/ __le32 xt_clusters; /* clusters covered by xattr. */ + __le32 xt_reserved0; + __le64 xt_last_eb_blk; /* Pointer to last extent block */ +/*10*/ struct ocfs2_extent_list xt_list; /* Extent record list */ +}; + +#define OCFS2_XATTR_INDEXED 0x1 + +/* + * On disk structure for xattr block. + */ +struct ocfs2_xattr_block { +/*00*/ __u8 xb_signature[8]; /* Signature for verification */ + __le16 xb_suballoc_slot; /* Slot suballocator this + block belongs to. */ + __le16 xb_suballoc_bit; /* Bit offset in suballocator + block group */ + __le32 xb_fs_generation; /* Must match super block */ +/*10*/ __le64 xb_blkno; /* Offset on disk, in blocks */ + __le64 xb_csum; +/*20*/ __le16 xb_flags; /* Indicates whether this block contains + real xattr or a xattr tree. */ + __le16 xb_reserved0; + __le32 xb_reserved1; + __le64 xb_reserved2; +/*30*/ union { + struct ocfs2_xattr_header xb_header; /* xattr header if this + block contains xattr */ + struct ocfs2_xattr_tree_root xb_root;/* xattr tree root if this + block cotains xattr + tree. */ + } xb_attrs; +}; + +#define OCFS2_XATTR_ENTRY_LOCAL 0x80 +#define OCFS2_XATTR_TYPE_MASK 0x7F +static inline void ocfs2_xattr_set_local(struct ocfs2_xattr_entry *xe, + int local) +{ + if (local) + xe->xe_type |= OCFS2_XATTR_ENTRY_LOCAL; + else + xe->xe_type &= ~OCFS2_XATTR_ENTRY_LOCAL; +} + +static inline int ocfs2_xattr_is_local(struct ocfs2_xattr_entry *xe) +{ + return xe->xe_type & OCFS2_XATTR_ENTRY_LOCAL; +} + +static inline void ocfs2_xattr_set_type(struct ocfs2_xattr_entry *xe, int type) +{ + xe->xe_type |= type & OCFS2_XATTR_TYPE_MASK; +} + +static inline int ocfs2_xattr_get_type(struct ocfs2_xattr_entry *xe) +{ + return xe->xe_type & OCFS2_XATTR_TYPE_MASK; +} + #ifdef __KERNEL__ static inline int ocfs2_fast_symlink_chars(struct super_block *sb) { -- GitLab From ac11c827192272eabb68b8f4cf844066461d9690 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:47 +0800 Subject: [PATCH 4505/6244] ocfs2: Add helper function in uptodate.c for removing xattr clusters The old uptodate only handles the issue of removing one buffer_head from ocfs2 inode's buffer cache. With xattr clusters, we may need to remove multiple buffer_head's at a time. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/uptodate.c | 32 ++++++++++++++++++++++++++------ fs/ocfs2/uptodate.h | 3 +++ 2 files changed, 29 insertions(+), 6 deletions(-) diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index 4da8851f2b23..e26459e7d554 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -511,14 +511,10 @@ static void ocfs2_remove_metadata_tree(struct ocfs2_caching_info *ci, ci->ci_num_cached--; } -/* Called when we remove a chunk of metadata from an inode. We don't - * bother reverting things to an inlined array in the case of a remove - * which moves us back under the limit. */ -void ocfs2_remove_from_cache(struct inode *inode, - struct buffer_head *bh) +static void ocfs2_remove_block_from_cache(struct inode *inode, + sector_t block) { int index; - sector_t block = bh->b_blocknr; struct ocfs2_meta_cache_item *item = NULL; struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_caching_info *ci = &oi->ip_metadata_cache; @@ -544,6 +540,30 @@ void ocfs2_remove_from_cache(struct inode *inode, kmem_cache_free(ocfs2_uptodate_cachep, item); } +/* + * Called when we remove a chunk of metadata from an inode. We don't + * bother reverting things to an inlined array in the case of a remove + * which moves us back under the limit. + */ +void ocfs2_remove_from_cache(struct inode *inode, + struct buffer_head *bh) +{ + sector_t block = bh->b_blocknr; + + ocfs2_remove_block_from_cache(inode, block); +} + +/* Called when we remove xattr clusters from an inode. */ +void ocfs2_remove_xattr_clusters_from_cache(struct inode *inode, + sector_t block, + u32 c_len) +{ + u64 i, b_len = ocfs2_clusters_to_blocks(inode->i_sb, 1) * c_len; + + for (i = 0; i < b_len; i++, block++) + ocfs2_remove_block_from_cache(inode, block); +} + int __init init_ocfs2_uptodate_cache(void) { ocfs2_uptodate_cachep = kmem_cache_create("ocfs2_uptodate", diff --git a/fs/ocfs2/uptodate.h b/fs/ocfs2/uptodate.h index 2e73206059a8..531b4b3a0c47 100644 --- a/fs/ocfs2/uptodate.h +++ b/fs/ocfs2/uptodate.h @@ -40,6 +40,9 @@ void ocfs2_set_new_buffer_uptodate(struct inode *inode, struct buffer_head *bh); void ocfs2_remove_from_cache(struct inode *inode, struct buffer_head *bh); +void ocfs2_remove_xattr_clusters_from_cache(struct inode *inode, + sector_t block, + u32 c_len); int ocfs2_buffer_read_ahead(struct inode *inode, struct buffer_head *bh); -- GitLab From 86f69fe9c069dd8608d238581eea259caa1dfc99 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 13 Oct 2008 14:32:52 -0700 Subject: [PATCH 4506/6244] Staging: workaround build system bug This is needed as CONFIG_STAGING is set to y, yet there is no code in drivers/staging/ to build, so the build-in.o doesn't get created properly. Create a "dummy" module in drivers/staging called staging.c to work around this bug. Cc: Sam Ravnborg Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Makefile | 3 +++ drivers/staging/staging.c | 19 +++++++++++++++++++ 2 files changed, 22 insertions(+) create mode 100644 drivers/staging/staging.c diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 93decb89b1d8..7c466e94fd93 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -1,5 +1,8 @@ # Makefile for staging directory +# fix for build system bug... +obj-$(CONFIG_STAGING) += staging.o + obj-$(CONFIG_ET131X) += et131x/ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_SXG) += sxg/ diff --git a/drivers/staging/staging.c b/drivers/staging/staging.c new file mode 100644 index 000000000000..233e589c0932 --- /dev/null +++ b/drivers/staging/staging.c @@ -0,0 +1,19 @@ +#include +#include +#include + +static int __init staging_init(void) +{ + return 0; +} + +static void __exit staging_exit(void) +{ +} + +module_init(staging_init); +module_exit(staging_exit); + +MODULE_AUTHOR("Greg Kroah-Hartman"); +MODULE_DESCRIPTION("Staging Core"); +MODULE_LICENSE("GPL"); -- GitLab From 99e06e372378c5833a0c60274b645dfb2e4a4b08 Mon Sep 17 00:00:00 2001 From: Pavel Roskin Date: Mon, 13 Oct 2008 14:33:13 -0700 Subject: [PATCH 4507/6244] staging: at76_usb wireless driver Add the at76_usb wireless driver to the staging tree while the other kernel driver (out of tree) gets rewritten to use the internal wireless stack. This patch comes directly from the Fedora kernel tree, with only the directory placement of the files changed. Signed-off-by: Pavel Roskin Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- drivers/staging/Kconfig | 2 + drivers/staging/Makefile | 1 + drivers/staging/at76_usb/Kconfig | 8 + drivers/staging/at76_usb/Makefile | 1 + drivers/staging/at76_usb/TODO | 2 + drivers/staging/at76_usb/at76_usb.c | 5559 +++++++++++++++++++++++++++ drivers/staging/at76_usb/at76_usb.h | 619 +++ 7 files changed, 6192 insertions(+) create mode 100644 drivers/staging/at76_usb/Kconfig create mode 100644 drivers/staging/at76_usb/Makefile create mode 100644 drivers/staging/at76_usb/TODO create mode 100644 drivers/staging/at76_usb/at76_usb.c create mode 100644 drivers/staging/at76_usb/at76_usb.h diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 25338b7eac98..2a79decd7dfc 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -41,4 +41,6 @@ source "drivers/staging/wlan-ng/Kconfig" source "drivers/staging/echo/Kconfig" +source "drivers/staging/at76_usb/Kconfig" + endif # STAGING diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7c466e94fd93..325bca4f71c0 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -12,3 +12,4 @@ obj-$(CONFIG_USB_IP_COMMON) += usbip/ obj-$(CONFIG_W35UND) += winbond/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_ECHO) += echo/ +obj-$(CONFIG_USB_ATMEL) += at76_usb/ diff --git a/drivers/staging/at76_usb/Kconfig b/drivers/staging/at76_usb/Kconfig new file mode 100644 index 000000000000..8606f9621624 --- /dev/null +++ b/drivers/staging/at76_usb/Kconfig @@ -0,0 +1,8 @@ +config USB_ATMEL + tristate "Atmel at76c503/at76c505/at76c505a USB cards" + depends on WLAN_80211 && USB + default N + select FW_LOADER + ---help--- + Enable support for USB Wireless devices using Atmel at76c503, + at76c505 or at76c505a chips. diff --git a/drivers/staging/at76_usb/Makefile b/drivers/staging/at76_usb/Makefile new file mode 100644 index 000000000000..6a47e8872309 --- /dev/null +++ b/drivers/staging/at76_usb/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_USB_ATMEL) += at76_usb.o diff --git a/drivers/staging/at76_usb/TODO b/drivers/staging/at76_usb/TODO new file mode 100644 index 000000000000..6911ca71a41a --- /dev/null +++ b/drivers/staging/at76_usb/TODO @@ -0,0 +1,2 @@ +rewrite the driver to use the proper in-kernel wireless stack +instead of using its own. diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c new file mode 100644 index 000000000000..52df0c665183 --- /dev/null +++ b/drivers/staging/at76_usb/at76_usb.c @@ -0,0 +1,5559 @@ +/* + * at76c503/at76c505 USB driver + * + * Copyright (c) 2002 - 2003 Oliver Kurth + * Copyright (c) 2004 Joerg Albert + * Copyright (c) 2004 Nick Jones + * Copyright (c) 2004 Balint Seeber + * Copyright (c) 2007 Guido Guenther + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This file is part of the Berlios driver for WLAN USB devices based on the + * Atmel AT76C503A/505/505A. + * + * Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "at76_usb.h" + +/* Version information */ +#define DRIVER_NAME "at76_usb" +#define DRIVER_VERSION "0.17" +#define DRIVER_DESC "Atmel at76x USB Wireless LAN Driver" + +/* at76_debug bits */ +#define DBG_PROGRESS 0x00000001 /* authentication/accociation */ +#define DBG_BSS_TABLE 0x00000002 /* show BSS table after scans */ +#define DBG_IOCTL 0x00000004 /* ioctl calls / settings */ +#define DBG_MAC_STATE 0x00000008 /* MAC state transitions */ +#define DBG_TX_DATA 0x00000010 /* tx header */ +#define DBG_TX_DATA_CONTENT 0x00000020 /* tx content */ +#define DBG_TX_MGMT 0x00000040 /* tx management */ +#define DBG_RX_DATA 0x00000080 /* rx data header */ +#define DBG_RX_DATA_CONTENT 0x00000100 /* rx data content */ +#define DBG_RX_MGMT 0x00000200 /* rx mgmt frame headers */ +#define DBG_RX_BEACON 0x00000400 /* rx beacon */ +#define DBG_RX_CTRL 0x00000800 /* rx control */ +#define DBG_RX_MGMT_CONTENT 0x00001000 /* rx mgmt content */ +#define DBG_RX_FRAGS 0x00002000 /* rx data fragment handling */ +#define DBG_DEVSTART 0x00004000 /* fw download, device start */ +#define DBG_URB 0x00008000 /* rx urb status, ... */ +#define DBG_RX_ATMEL_HDR 0x00010000 /* Atmel-specific Rx headers */ +#define DBG_PROC_ENTRY 0x00020000 /* procedure entries/exits */ +#define DBG_PM 0x00040000 /* power management settings */ +#define DBG_BSS_MATCH 0x00080000 /* BSS match failures */ +#define DBG_PARAMS 0x00100000 /* show configured parameters */ +#define DBG_WAIT_COMPLETE 0x00200000 /* command completion */ +#define DBG_RX_FRAGS_SKB 0x00400000 /* skb header of Rx fragments */ +#define DBG_BSS_TABLE_RM 0x00800000 /* purging bss table entries */ +#define DBG_MONITOR_MODE 0x01000000 /* monitor mode */ +#define DBG_MIB 0x02000000 /* dump all MIBs on startup */ +#define DBG_MGMT_TIMER 0x04000000 /* dump mgmt_timer ops */ +#define DBG_WE_EVENTS 0x08000000 /* dump wireless events */ +#define DBG_FW 0x10000000 /* firmware download */ +#define DBG_DFU 0x20000000 /* device firmware upgrade */ + +#define DBG_DEFAULTS 0 + +/* Use our own dbg macro */ +#define at76_dbg(bits, format, arg...) \ + do { \ + if (at76_debug & (bits)) \ + printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \ + } while (0) + +static int at76_debug = DBG_DEFAULTS; + +/* Protect against concurrent firmware loading and parsing */ +static struct mutex fw_mutex; + +static struct fwentry firmwares[] = { + [0] = {""}, + [BOARD_503_ISL3861] = {"atmel_at76c503-i3861.bin"}, + [BOARD_503_ISL3863] = {"atmel_at76c503-i3863.bin"}, + [BOARD_503] = {"atmel_at76c503-rfmd.bin"}, + [BOARD_503_ACC] = {"atmel_at76c503-rfmd-acc.bin"}, + [BOARD_505] = {"atmel_at76c505-rfmd.bin"}, + [BOARD_505_2958] = {"atmel_at76c505-rfmd2958.bin"}, + [BOARD_505A] = {"atmel_at76c505a-rfmd2958.bin"}, + [BOARD_505AMX] = {"atmel_at76c505amx-rfmd.bin"}, +}; + +#define USB_DEVICE_DATA(__ops) .driver_info = (kernel_ulong_t)(__ops) + +static struct usb_device_id dev_table[] = { + /* + * at76c503-i3861 + */ + /* Generic AT76C503/3861 device */ + {USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Linksys WUSB11 v2.1/v2.6 */ + {USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Netgear MA101 rev. A */ + {USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Tekram U300C / Allnet ALL0193 */ + {USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* HP HN210W J7801A */ + {USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Sitecom/Z-Com/Zyxel M4Y-750 */ + {USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Dynalink/Askey WLL013 (intersil) */ + {USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */ + {USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* BenQ AWL300 */ + {USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Addtron AWU-120, Compex WLU11 */ + {USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Intel AP310 AnyPoint II USB */ + {USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Dynalink L11U */ + {USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* Arescom WL-210, FCC id 07J-GL2411USB */ + {USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* I-O DATA WN-B11/USB */ + {USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* BT Voyager 1010 */ + {USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861)}, + /* + * at76c503-i3863 + */ + /* Generic AT76C503/3863 device */ + {USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863)}, + /* Samsung SWL-2100U */ + {USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863)}, + /* + * at76c503-rfmd + */ + /* Generic AT76C503/RFMD device */ + {USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503)}, + /* Dynalink/Askey WLL013 (rfmd) */ + {USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503)}, + /* Linksys WUSB11 v2.6 */ + {USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503)}, + /* Network Everywhere NWU11B */ + {USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503)}, + /* Netgear MA101 rev. B */ + {USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503)}, + /* D-Link DWL-120 rev. E */ + {USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503)}, + /* Actiontec 802UAT1, HWU01150-01UK */ + {USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503)}, + /* AirVast W-Buddie WN210 */ + {USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503)}, + /* Dick Smith Electronics XH1153 802.11b USB adapter */ + {USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503)}, + /* CNet CNUSB611 */ + {USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503)}, + /* FiberLine FL-WL200U */ + {USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503)}, + /* BenQ AWL400 USB stick */ + {USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503)}, + /* 3Com 3CRSHEW696 */ + {USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503)}, + /* Siemens Santis ADSL WLAN USB adapter WLL 013 */ + {USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503)}, + /* Belkin F5D6050, version 2 */ + {USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503)}, + /* iBlitzz, BWU613 (not *B or *SB) */ + {USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503)}, + /* Gigabyte GN-WLBM101 */ + {USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503)}, + /* Planex GW-US11S */ + {USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503)}, + /* Internal WLAN adapter in h5[4,5]xx series iPAQs */ + {USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503)}, + /* Corega Wireless LAN USB-11 mini */ + {USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503)}, + /* Corega Wireless LAN USB-11 mini2 */ + {USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503)}, + /* Uniden PCW100 */ + {USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503)}, + /* + * at76c503-rfmd-acc + */ + /* SMC2664W */ + {USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC)}, + /* Belkin F5D6050, SMC2662W v2, SMC2662W-AR */ + {USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC)}, + /* + * at76c505-rfmd + */ + /* Generic AT76C505/RFMD */ + {USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505)}, + /* + * at76c505-rfmd2958 + */ + /* Generic AT76C505/RFMD, OvisLink WL-1130USB */ + {USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)}, + /* Fiberline FL-WL240U */ + {USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958)}, + /* CNet CNUSB-611G */ + {USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958)}, + /* Linksys WUSB11 v2.8 */ + {USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958)}, + /* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */ + {USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958)}, + /* Corega WLAN USB Stick 11 */ + {USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)}, + /* Microstar MSI Box MS6978 */ + {USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958)}, + /* + * at76c505a-rfmd2958 + */ + /* Generic AT76C505A device */ + {USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A)}, + /* Generic AT76C505AS device */ + {USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A)}, + /* Siemens Gigaset USB WLAN Adapter 11 */ + {USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A)}, + /* + * at76c505amx-rfmd + */ + /* Generic AT76C505AMX device */ + {USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX)}, + {} +}; + +MODULE_DEVICE_TABLE(usb, dev_table); + +/* Supported rates of this hardware, bit 7 marks basic rates */ +static const u8 hw_rates[] = { 0x82, 0x84, 0x0b, 0x16 }; + +/* Frequency of each channel in MHz */ +static const long channel_frequency[] = { + 2412, 2417, 2422, 2427, 2432, 2437, 2442, + 2447, 2452, 2457, 2462, 2467, 2472, 2484 +}; + +#define NUM_CHANNELS ARRAY_SIZE(channel_frequency) + +static const char *const preambles[] = { "long", "short", "auto" }; + +static const char *const mac_states[] = { + [MAC_INIT] = "INIT", + [MAC_SCANNING] = "SCANNING", + [MAC_AUTH] = "AUTH", + [MAC_ASSOC] = "ASSOC", + [MAC_JOINING] = "JOINING", + [MAC_CONNECTED] = "CONNECTED", + [MAC_OWN_IBSS] = "OWN_IBSS" +}; + +/* Firmware download */ +/* DFU states */ +#define STATE_IDLE 0x00 +#define STATE_DETACH 0x01 +#define STATE_DFU_IDLE 0x02 +#define STATE_DFU_DOWNLOAD_SYNC 0x03 +#define STATE_DFU_DOWNLOAD_BUSY 0x04 +#define STATE_DFU_DOWNLOAD_IDLE 0x05 +#define STATE_DFU_MANIFEST_SYNC 0x06 +#define STATE_DFU_MANIFEST 0x07 +#define STATE_DFU_MANIFEST_WAIT_RESET 0x08 +#define STATE_DFU_UPLOAD_IDLE 0x09 +#define STATE_DFU_ERROR 0x0a + +/* DFU commands */ +#define DFU_DETACH 0 +#define DFU_DNLOAD 1 +#define DFU_UPLOAD 2 +#define DFU_GETSTATUS 3 +#define DFU_CLRSTATUS 4 +#define DFU_GETSTATE 5 +#define DFU_ABORT 6 + +#define FW_BLOCK_SIZE 1024 + +struct dfu_status { + unsigned char status; + unsigned char poll_timeout[3]; + unsigned char state; + unsigned char string; +} __attribute__((packed)); + +static inline int at76_is_intersil(enum board_type board) +{ + return (board == BOARD_503_ISL3861 || board == BOARD_503_ISL3863); +} + +static inline int at76_is_503rfmd(enum board_type board) +{ + return (board == BOARD_503 || board == BOARD_503_ACC); +} + +static inline int at76_is_505a(enum board_type board) +{ + return (board == BOARD_505A || board == BOARD_505AMX); +} + +/* Load a block of the first (internal) part of the firmware */ +static int at76_load_int_fw_block(struct usb_device *udev, int blockno, + void *block, int size) +{ + return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), DFU_DNLOAD, + USB_TYPE_CLASS | USB_DIR_OUT | + USB_RECIP_INTERFACE, blockno, 0, block, size, + USB_CTRL_GET_TIMEOUT); +} + +static int at76_dfu_get_status(struct usb_device *udev, + struct dfu_status *status) +{ + int ret; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), DFU_GETSTATUS, + USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, + 0, 0, status, sizeof(struct dfu_status), + USB_CTRL_GET_TIMEOUT); + return ret; +} + +static u8 at76_dfu_get_state(struct usb_device *udev, u8 *state) +{ + int ret; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), DFU_GETSTATE, + USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, + 0, 0, state, 1, USB_CTRL_GET_TIMEOUT); + return ret; +} + +/* Convert timeout from the DFU status to jiffies */ +static inline unsigned long at76_get_timeout(struct dfu_status *s) +{ + return msecs_to_jiffies((s->poll_timeout[2] << 16) + | (s->poll_timeout[1] << 8) + | (s->poll_timeout[0])); +} + +/* Load internal firmware from the buffer. If manifest_sync_timeout > 0, use + * its value in jiffies in the MANIFEST_SYNC state. */ +static int at76_usbdfu_download(struct usb_device *udev, u8 *buf, u32 size, + int manifest_sync_timeout) +{ + u8 *block; + struct dfu_status dfu_stat_buf; + int ret = 0; + int need_dfu_state = 1; + int is_done = 0; + u8 dfu_state = 0; + u32 dfu_timeout = 0; + int bsize = 0; + int blockno = 0; + + at76_dbg(DBG_DFU, "%s( %p, %u, %d)", __func__, buf, size, + manifest_sync_timeout); + + if (!size) { + dev_printk(KERN_ERR, &udev->dev, "FW buffer length invalid!\n"); + return -EINVAL; + } + + block = kmalloc(FW_BLOCK_SIZE, GFP_KERNEL); + if (!block) + return -ENOMEM; + + do { + if (need_dfu_state) { + ret = at76_dfu_get_state(udev, &dfu_state); + if (ret < 0) { + dev_printk(KERN_ERR, &udev->dev, + "cannot get DFU state: %d\n", ret); + goto exit; + } + need_dfu_state = 0; + } + + switch (dfu_state) { + case STATE_DFU_DOWNLOAD_SYNC: + at76_dbg(DBG_DFU, "STATE_DFU_DOWNLOAD_SYNC"); + ret = at76_dfu_get_status(udev, &dfu_stat_buf); + if (ret >= 0) { + dfu_state = dfu_stat_buf.state; + dfu_timeout = at76_get_timeout(&dfu_stat_buf); + need_dfu_state = 0; + } else + dev_printk(KERN_ERR, &udev->dev, + "at76_dfu_get_status returned %d\n", + ret); + break; + + case STATE_DFU_DOWNLOAD_BUSY: + at76_dbg(DBG_DFU, "STATE_DFU_DOWNLOAD_BUSY"); + need_dfu_state = 1; + + at76_dbg(DBG_DFU, "DFU: Resetting device"); + schedule_timeout_interruptible(dfu_timeout); + break; + + case STATE_DFU_DOWNLOAD_IDLE: + at76_dbg(DBG_DFU, "DOWNLOAD..."); + /* fall through */ + case STATE_DFU_IDLE: + at76_dbg(DBG_DFU, "DFU IDLE"); + + bsize = min_t(int, size, FW_BLOCK_SIZE); + memcpy(block, buf, bsize); + at76_dbg(DBG_DFU, "int fw, size left = %5d, " + "bsize = %4d, blockno = %2d", size, bsize, + blockno); + ret = + at76_load_int_fw_block(udev, blockno, block, bsize); + buf += bsize; + size -= bsize; + blockno++; + + if (ret != bsize) + dev_printk(KERN_ERR, &udev->dev, + "at76_load_int_fw_block " + "returned %d\n", ret); + need_dfu_state = 1; + break; + + case STATE_DFU_MANIFEST_SYNC: + at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST_SYNC"); + + ret = at76_dfu_get_status(udev, &dfu_stat_buf); + if (ret < 0) + break; + + dfu_state = dfu_stat_buf.state; + dfu_timeout = at76_get_timeout(&dfu_stat_buf); + need_dfu_state = 0; + + /* override the timeout from the status response, + needed for AT76C505A */ + if (manifest_sync_timeout > 0) + dfu_timeout = manifest_sync_timeout; + + at76_dbg(DBG_DFU, "DFU: Waiting for manifest phase"); + schedule_timeout_interruptible(dfu_timeout); + break; + + case STATE_DFU_MANIFEST: + at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST"); + is_done = 1; + break; + + case STATE_DFU_MANIFEST_WAIT_RESET: + at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST_WAIT_RESET"); + is_done = 1; + break; + + case STATE_DFU_UPLOAD_IDLE: + at76_dbg(DBG_DFU, "STATE_DFU_UPLOAD_IDLE"); + break; + + case STATE_DFU_ERROR: + at76_dbg(DBG_DFU, "STATE_DFU_ERROR"); + ret = -EPIPE; + break; + + default: + at76_dbg(DBG_DFU, "DFU UNKNOWN STATE (%d)", dfu_state); + ret = -EINVAL; + break; + } + } while (!is_done && (ret >= 0)); + +exit: + kfree(block); + if (ret >= 0) + ret = 0; + + return ret; +} + +/* Report that the scan results are ready */ +static inline void at76_iwevent_scan_complete(struct net_device *netdev) +{ + union iwreq_data wrqu; + wrqu.data.length = 0; + wrqu.data.flags = 0; + wireless_send_event(netdev, SIOCGIWSCAN, &wrqu, NULL); + at76_dbg(DBG_WE_EVENTS, "%s: SIOCGIWSCAN sent", netdev->name); +} + +static inline void at76_iwevent_bss_connect(struct net_device *netdev, + u8 *bssid) +{ + union iwreq_data wrqu; + wrqu.data.length = 0; + wrqu.data.flags = 0; + memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL); + at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name, + __func__); +} + +static inline void at76_iwevent_bss_disconnect(struct net_device *netdev) +{ + union iwreq_data wrqu; + wrqu.data.length = 0; + wrqu.data.flags = 0; + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL); + at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name, + __func__); +} + +#define HEX2STR_BUFFERS 4 +#define HEX2STR_MAX_LEN 64 +#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10) + +/* Convert binary data into hex string */ +static char *hex2str(void *buf, int len) +{ + static atomic_t a = ATOMIC_INIT(0); + static char bufs[HEX2STR_BUFFERS][3 * HEX2STR_MAX_LEN + 1]; + char *ret = bufs[atomic_inc_return(&a) & (HEX2STR_BUFFERS - 1)]; + char *obuf = ret; + u8 *ibuf = buf; + + if (len > HEX2STR_MAX_LEN) + len = HEX2STR_MAX_LEN; + + if (len <= 0) { + ret[0] = '\0'; + return ret; + } + + while (len--) { + *obuf++ = BIN2HEX(*ibuf >> 4); + *obuf++ = BIN2HEX(*ibuf & 0xf); + *obuf++ = '-'; + ibuf++; + } + *(--obuf) = '\0'; + + return ret; +} + +#define MAC2STR_BUFFERS 4 + +static inline char *mac2str(u8 *mac) +{ + static atomic_t a = ATOMIC_INIT(0); + static char bufs[MAC2STR_BUFFERS][6 * 3]; + char *str; + + str = bufs[atomic_inc_return(&a) & (MAC2STR_BUFFERS - 1)]; + sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x", + mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); + return str; +} + +/* LED trigger */ +static int tx_activity; +static void at76_ledtrig_tx_timerfunc(unsigned long data); +static DEFINE_TIMER(ledtrig_tx_timer, at76_ledtrig_tx_timerfunc, 0, 0); +DEFINE_LED_TRIGGER(ledtrig_tx); + +static void at76_ledtrig_tx_timerfunc(unsigned long data) +{ + static int tx_lastactivity; + + if (tx_lastactivity != tx_activity) { + tx_lastactivity = tx_activity; + led_trigger_event(ledtrig_tx, LED_FULL); + mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4); + } else + led_trigger_event(ledtrig_tx, LED_OFF); +} + +static void at76_ledtrig_tx_activity(void) +{ + tx_activity++; + if (!timer_pending(&ledtrig_tx_timer)) + mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4); +} + +/* Check if the given ssid is hidden */ +static inline int at76_is_hidden_ssid(u8 *ssid, int length) +{ + static const u8 zeros[32]; + + if (length == 0) + return 1; + + if (length == 1 && ssid[0] == ' ') + return 1; + + return (memcmp(ssid, zeros, length) == 0); +} + +static inline void at76_free_bss_list(struct at76_priv *priv) +{ + struct list_head *next, *ptr; + unsigned long flags; + + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + + priv->curr_bss = NULL; + + list_for_each_safe(ptr, next, &priv->bss_list) { + list_del(ptr); + kfree(list_entry(ptr, struct bss_info, list)); + } + + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); +} + +static int at76_remap(struct usb_device *udev) +{ + int ret; + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0a, + USB_TYPE_VENDOR | USB_DIR_OUT | + USB_RECIP_INTERFACE, 0, 0, NULL, 0, + USB_CTRL_GET_TIMEOUT); + if (ret < 0) + return ret; + return 0; +} + +static int at76_get_op_mode(struct usb_device *udev) +{ + int ret; + u8 op_mode; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, 0x01, 0, &op_mode, 1, + USB_CTRL_GET_TIMEOUT); + if (ret < 0) + return ret; + else if (ret < 1) + return -EIO; + else + return op_mode; +} + +/* Load a block of the second ("external") part of the firmware */ +static inline int at76_load_ext_fw_block(struct usb_device *udev, int blockno, + void *block, int size) +{ + return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e, + USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE, + 0x0802, blockno, block, size, + USB_CTRL_GET_TIMEOUT); +} + +static inline int at76_get_hw_cfg(struct usb_device *udev, + union at76_hwcfg *buf, int buf_size) +{ + return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, 0x0a02, 0, + buf, buf_size, USB_CTRL_GET_TIMEOUT); +} + +/* Intersil boards use a different "value" for GetHWConfig requests */ +static inline int at76_get_hw_cfg_intersil(struct usb_device *udev, + union at76_hwcfg *buf, int buf_size) +{ + return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, 0x0902, 0, + buf, buf_size, USB_CTRL_GET_TIMEOUT); +} + +/* Get the hardware configuration for the adapter and put it to the appropriate + * fields of 'priv' (the GetHWConfig request and interpretation of the result + * depends on the board type) */ +static int at76_get_hw_config(struct at76_priv *priv) +{ + int ret; + union at76_hwcfg *hwcfg = kmalloc(sizeof(*hwcfg), GFP_KERNEL); + + if (!hwcfg) + return -ENOMEM; + + if (at76_is_intersil(priv->board_type)) { + ret = at76_get_hw_cfg_intersil(priv->udev, hwcfg, + sizeof(hwcfg->i)); + if (ret < 0) + goto exit; + memcpy(priv->mac_addr, hwcfg->i.mac_addr, ETH_ALEN); + priv->regulatory_domain = hwcfg->i.regulatory_domain; + } else if (at76_is_503rfmd(priv->board_type)) { + ret = at76_get_hw_cfg(priv->udev, hwcfg, sizeof(hwcfg->r3)); + if (ret < 0) + goto exit; + memcpy(priv->mac_addr, hwcfg->r3.mac_addr, ETH_ALEN); + priv->regulatory_domain = hwcfg->r3.regulatory_domain; + } else { + ret = at76_get_hw_cfg(priv->udev, hwcfg, sizeof(hwcfg->r5)); + if (ret < 0) + goto exit; + memcpy(priv->mac_addr, hwcfg->r5.mac_addr, ETH_ALEN); + priv->regulatory_domain = hwcfg->r5.regulatory_domain; + } + +exit: + kfree(hwcfg); + if (ret < 0) + printk(KERN_ERR "%s: cannot get HW Config (error %d)\n", + priv->netdev->name, ret); + + return ret; +} + +static struct reg_domain const *at76_get_reg_domain(u16 code) +{ + int i; + static struct reg_domain const fd_tab[] = { + {0x10, "FCC (USA)", 0x7ff}, /* ch 1-11 */ + {0x20, "IC (Canada)", 0x7ff}, /* ch 1-11 */ + {0x30, "ETSI (most of Europe)", 0x1fff}, /* ch 1-13 */ + {0x31, "Spain", 0x600}, /* ch 10-11 */ + {0x32, "France", 0x1e00}, /* ch 10-13 */ + {0x40, "MKK (Japan)", 0x2000}, /* ch 14 */ + {0x41, "MKK1 (Japan)", 0x3fff}, /* ch 1-14 */ + {0x50, "Israel", 0x3fc}, /* ch 3-9 */ + {0x00, "", 0xffffffff} /* ch 1-32 */ + }; + + /* Last entry is fallback for unknown domain code */ + for (i = 0; i < ARRAY_SIZE(fd_tab) - 1; i++) + if (code == fd_tab[i].code) + break; + + return &fd_tab[i]; +} + +static inline int at76_get_mib(struct usb_device *udev, u16 mib, void *buf, + int buf_size) +{ + int ret; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, mib << 8, 0, buf, buf_size, + USB_CTRL_GET_TIMEOUT); + if (ret >= 0 && ret != buf_size) + return -EIO; + return ret; +} + +/* Return positive number for status, negative for an error */ +static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd) +{ + u8 stat_buf[40]; + int ret; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x22, + USB_TYPE_VENDOR | USB_DIR_IN | + USB_RECIP_INTERFACE, cmd, 0, stat_buf, + sizeof(stat_buf), USB_CTRL_GET_TIMEOUT); + if (ret < 0) + return ret; + + return stat_buf[5]; +} + +static int at76_set_card_command(struct usb_device *udev, int cmd, void *buf, + int buf_size) +{ + int ret; + struct at76_command *cmd_buf = kmalloc(sizeof(struct at76_command) + + buf_size, GFP_KERNEL); + + if (!cmd_buf) + return -ENOMEM; + + cmd_buf->cmd = cmd; + cmd_buf->reserved = 0; + cmd_buf->size = cpu_to_le16(buf_size); + memcpy(cmd_buf->data, buf, buf_size); + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e, + USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE, + 0, 0, cmd_buf, + sizeof(struct at76_command) + buf_size, + USB_CTRL_GET_TIMEOUT); + kfree(cmd_buf); + return ret; +} + +#define MAKE_CMD_STATUS_CASE(c) case (c): return #c +static const char *at76_get_cmd_status_string(u8 cmd_status) +{ + switch (cmd_status) { + MAKE_CMD_STATUS_CASE(CMD_STATUS_IDLE); + MAKE_CMD_STATUS_CASE(CMD_STATUS_COMPLETE); + MAKE_CMD_STATUS_CASE(CMD_STATUS_UNKNOWN); + MAKE_CMD_STATUS_CASE(CMD_STATUS_INVALID_PARAMETER); + MAKE_CMD_STATUS_CASE(CMD_STATUS_FUNCTION_NOT_SUPPORTED); + MAKE_CMD_STATUS_CASE(CMD_STATUS_TIME_OUT); + MAKE_CMD_STATUS_CASE(CMD_STATUS_IN_PROGRESS); + MAKE_CMD_STATUS_CASE(CMD_STATUS_HOST_FAILURE); + MAKE_CMD_STATUS_CASE(CMD_STATUS_SCAN_FAILED); + } + + return "UNKNOWN"; +} + +/* Wait until the command is completed */ +static int at76_wait_completion(struct at76_priv *priv, int cmd) +{ + int status = 0; + unsigned long timeout = jiffies + CMD_COMPLETION_TIMEOUT; + + do { + status = at76_get_cmd_status(priv->udev, cmd); + if (status < 0) { + printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n", + priv->netdev->name, status); + break; + } + + at76_dbg(DBG_WAIT_COMPLETE, + "%s: Waiting on cmd %d, status = %d (%s)", + priv->netdev->name, cmd, status, + at76_get_cmd_status_string(status)); + + if (status != CMD_STATUS_IN_PROGRESS + && status != CMD_STATUS_IDLE) + break; + + schedule_timeout_interruptible(HZ / 10); /* 100 ms */ + if (time_after(jiffies, timeout)) { + printk(KERN_ERR + "%s: completion timeout for command %d\n", + priv->netdev->name, cmd); + status = -ETIMEDOUT; + break; + } + } while (1); + + return status; +} + +static int at76_set_mib(struct at76_priv *priv, struct set_mib_buffer *buf) +{ + int ret; + + ret = at76_set_card_command(priv->udev, CMD_SET_MIB, buf, + offsetof(struct set_mib_buffer, + data) + buf->size); + if (ret < 0) + return ret; + + ret = at76_wait_completion(priv, CMD_SET_MIB); + if (ret != CMD_STATUS_COMPLETE) { + printk(KERN_INFO + "%s: set_mib: at76_wait_completion failed " + "with %d\n", priv->netdev->name, ret); + ret = -EIO; + } + + return ret; +} + +/* Return < 0 on error, == 0 if no command sent, == 1 if cmd sent */ +static int at76_set_radio(struct at76_priv *priv, int enable) +{ + int ret; + int cmd; + + if (priv->radio_on == enable) + return 0; + + cmd = enable ? CMD_RADIO_ON : CMD_RADIO_OFF; + + ret = at76_set_card_command(priv->udev, cmd, NULL, 0); + if (ret < 0) + printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n", + priv->netdev->name, cmd, ret); + else + ret = 1; + + priv->radio_on = enable; + return ret; +} + +/* Set current power save mode (AT76_PM_OFF/AT76_PM_ON/AT76_PM_SMART) */ +static int at76_set_pm_mode(struct at76_priv *priv) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC_MGMT; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_mac_mgmt, power_mgmt_mode); + priv->mib_buf.data.byte = priv->pm_mode; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +/* Set the association id for power save mode */ +static int at76_set_associd(struct at76_priv *priv, u16 id) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC_MGMT; + priv->mib_buf.size = 2; + priv->mib_buf.index = offsetof(struct mib_mac_mgmt, station_id); + priv->mib_buf.data.word = cpu_to_le16(id); + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (associd) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +/* Set the listen interval for power save mode */ +static int at76_set_listen_interval(struct at76_priv *priv, u16 interval) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC; + priv->mib_buf.size = 2; + priv->mib_buf.index = offsetof(struct mib_mac, listen_interval); + priv->mib_buf.data.word = cpu_to_le16(interval); + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR + "%s: set_mib (listen_interval) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static int at76_set_preamble(struct at76_priv *priv, u8 type) +{ + int ret = 0; + + priv->mib_buf.type = MIB_LOCAL; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_local, preamble_type); + priv->mib_buf.data.byte = type; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static int at76_set_frag(struct at76_priv *priv, u16 size) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC; + priv->mib_buf.size = 2; + priv->mib_buf.index = offsetof(struct mib_mac, frag_threshold); + priv->mib_buf.data.word = cpu_to_le16(size); + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static int at76_set_rts(struct at76_priv *priv, u16 size) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC; + priv->mib_buf.size = 2; + priv->mib_buf.index = offsetof(struct mib_mac, rts_threshold); + priv->mib_buf.data.word = cpu_to_le16(size); + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (rts) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static int at76_set_autorate_fallback(struct at76_priv *priv, int onoff) +{ + int ret = 0; + + priv->mib_buf.type = MIB_LOCAL; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_local, txautorate_fallback); + priv->mib_buf.data.byte = onoff; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static int at76_add_mac_address(struct at76_priv *priv, void *addr) +{ + int ret = 0; + + priv->mib_buf.type = MIB_MAC_ADDR; + priv->mib_buf.size = ETH_ALEN; + priv->mib_buf.index = offsetof(struct mib_mac_addr, mac_addr); + memcpy(priv->mib_buf.data.addr, addr, ETH_ALEN); + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (MAC_ADDR, mac_addr) failed: %d\n", + priv->netdev->name, ret); + + return ret; +} + +static void at76_dump_mib_mac_addr(struct at76_priv *priv) +{ + int i; + int ret; + struct mib_mac_addr *m = kmalloc(sizeof(struct mib_mac_addr), + GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m, + sizeof(struct mib_mac_addr)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x", + priv->netdev->name, + mac2str(m->mac_addr), m->res[0], m->res[1]); + for (i = 0; i < ARRAY_SIZE(m->group_addr); i++) + at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, " + "status %d", priv->netdev->name, i, + mac2str(m->group_addr[i]), m->group_addr_status[i]); +exit: + kfree(m); +} + +static void at76_dump_mib_mac_wep(struct at76_priv *priv) +{ + int i; + int ret; + int key_len; + struct mib_mac_wep *m = kmalloc(sizeof(struct mib_mac_wep), GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m, + sizeof(struct mib_mac_wep)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: priv_invoked %u def_key_id %u " + "key_len %u excl_unencr %u wep_icv_err %u wep_excluded %u " + "encr_level %u key %d", priv->netdev->name, + m->privacy_invoked, m->wep_default_key_id, + m->wep_key_mapping_len, m->exclude_unencrypted, + le32_to_cpu(m->wep_icv_error_count), + le32_to_cpu(m->wep_excluded_count), m->encryption_level, + m->wep_default_key_id); + + key_len = (m->encryption_level == 1) ? + WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN; + + for (i = 0; i < WEP_KEYS; i++) + at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: key %d: %s", + priv->netdev->name, i, + hex2str(m->wep_default_keyvalue[i], key_len)); +exit: + kfree(m); +} + +static void at76_dump_mib_mac_mgmt(struct at76_priv *priv) +{ + int ret; + struct mib_mac_mgmt *m = kmalloc(sizeof(struct mib_mac_mgmt), + GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m, + sizeof(struct mib_mac_mgmt)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB MAC_MGMT: beacon_period %d CFP_max_duration " + "%d medium_occupancy_limit %d station_id 0x%x ATIM_window %d " + "CFP_mode %d privacy_opt_impl %d DTIM_period %d CFP_period %d " + "current_bssid %s current_essid %s current_bss_type %d " + "pm_mode %d ibss_change %d res %d " + "multi_domain_capability_implemented %d " + "international_roaming %d country_string %.3s", + priv->netdev->name, le16_to_cpu(m->beacon_period), + le16_to_cpu(m->CFP_max_duration), + le16_to_cpu(m->medium_occupancy_limit), + le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window), + m->CFP_mode, m->privacy_option_implemented, m->DTIM_period, + m->CFP_period, mac2str(m->current_bssid), + hex2str(m->current_essid, IW_ESSID_MAX_SIZE), + m->current_bss_type, m->power_mgmt_mode, m->ibss_change, + m->res, m->multi_domain_capability_implemented, + m->multi_domain_capability_enabled, m->country_string); +exit: + kfree(m); +} + +static void at76_dump_mib_mac(struct at76_priv *priv) +{ + int ret; + struct mib_mac *m = kmalloc(sizeof(struct mib_mac), GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB MAC: max_tx_msdu_lifetime %d " + "max_rx_lifetime %d frag_threshold %d rts_threshold %d " + "cwmin %d cwmax %d short_retry_time %d long_retry_time %d " + "scan_type %d scan_channel %d probe_delay %u " + "min_channel_time %d max_channel_time %d listen_int %d " + "desired_ssid %s desired_bssid %s desired_bsstype %d", + priv->netdev->name, le32_to_cpu(m->max_tx_msdu_lifetime), + le32_to_cpu(m->max_rx_lifetime), + le16_to_cpu(m->frag_threshold), le16_to_cpu(m->rts_threshold), + le16_to_cpu(m->cwmin), le16_to_cpu(m->cwmax), + m->short_retry_time, m->long_retry_time, m->scan_type, + m->scan_channel, le16_to_cpu(m->probe_delay), + le16_to_cpu(m->min_channel_time), + le16_to_cpu(m->max_channel_time), + le16_to_cpu(m->listen_interval), + hex2str(m->desired_ssid, IW_ESSID_MAX_SIZE), + mac2str(m->desired_bssid), m->desired_bsstype); +exit: + kfree(m); +} + +static void at76_dump_mib_phy(struct at76_priv *priv) +{ + int ret; + struct mib_phy *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB PHY: ed_threshold %d slot_time %d " + "sifs_time %d preamble_length %d plcp_header_length %d " + "mpdu_max_length %d cca_mode_supported %d operation_rate_set " + "0x%x 0x%x 0x%x 0x%x channel_id %d current_cca_mode %d " + "phy_type %d current_reg_domain %d", + priv->netdev->name, le32_to_cpu(m->ed_threshold), + le16_to_cpu(m->slot_time), le16_to_cpu(m->sifs_time), + le16_to_cpu(m->preamble_length), + le16_to_cpu(m->plcp_header_length), + le16_to_cpu(m->mpdu_max_length), + le16_to_cpu(m->cca_mode_supported), m->operation_rate_set[0], + m->operation_rate_set[1], m->operation_rate_set[2], + m->operation_rate_set[3], m->channel_id, m->current_cca_mode, + m->phy_type, m->current_reg_domain); +exit: + kfree(m); +} + +static void at76_dump_mib_local(struct at76_priv *priv) +{ + int ret; + struct mib_local *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB LOCAL: beacon_enable %d " + "txautorate_fallback %d ssid_size %d promiscuous_mode %d " + "preamble_type %d", priv->netdev->name, m->beacon_enable, + m->txautorate_fallback, m->ssid_size, m->promiscuous_mode, + m->preamble_type); +exit: + kfree(m); +} + +static void at76_dump_mib_mdomain(struct at76_priv *priv) +{ + int ret; + struct mib_mdomain *m = kmalloc(sizeof(struct mib_mdomain), GFP_KERNEL); + + if (!m) + return; + + ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m, + sizeof(struct mib_mdomain)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: channel_list %s", + priv->netdev->name, + hex2str(m->channel_list, sizeof(m->channel_list))); + + at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: tx_powerlevel %s", + priv->netdev->name, + hex2str(m->tx_powerlevel, sizeof(m->tx_powerlevel))); +exit: + kfree(m); +} + +static int at76_get_current_bssid(struct at76_priv *priv) +{ + int ret = 0; + struct mib_mac_mgmt *mac_mgmt = + kmalloc(sizeof(struct mib_mac_mgmt), GFP_KERNEL); + + if (!mac_mgmt) { + ret = -ENOMEM; + goto exit; + } + + ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, mac_mgmt, + sizeof(struct mib_mac_mgmt)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib failed: %d\n", + priv->netdev->name, ret); + goto error; + } + memcpy(priv->bssid, mac_mgmt->current_bssid, ETH_ALEN); + printk(KERN_INFO "%s: using BSSID %s\n", priv->netdev->name, + mac2str(priv->bssid)); +error: + kfree(mac_mgmt); +exit: + return ret; +} + +static int at76_get_current_channel(struct at76_priv *priv) +{ + int ret = 0; + struct mib_phy *phy = kmalloc(sizeof(struct mib_phy), GFP_KERNEL); + + if (!phy) { + ret = -ENOMEM; + goto exit; + } + ret = at76_get_mib(priv->udev, MIB_PHY, phy, sizeof(struct mib_phy)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib(MIB_PHY) failed: %d\n", + priv->netdev->name, ret); + goto error; + } + priv->channel = phy->channel_id; +error: + kfree(phy); +exit: + return ret; +} + +/** + * at76_start_scan - start a scan + * + * @use_essid - use the configured ESSID in non passive mode + */ +static int at76_start_scan(struct at76_priv *priv, int use_essid) +{ + struct at76_req_scan scan; + + memset(&scan, 0, sizeof(struct at76_req_scan)); + memset(scan.bssid, 0xff, ETH_ALEN); + + if (use_essid) { + memcpy(scan.essid, priv->essid, IW_ESSID_MAX_SIZE); + scan.essid_size = priv->essid_size; + } else + scan.essid_size = 0; + + /* jal: why should we start at a certain channel? we do scan the whole + range allowed by reg domain. */ + scan.channel = priv->channel; + + /* atmelwlandriver differs between scan type 0 and 1 (active/passive) + For ad-hoc mode, it uses type 0 only. */ + scan.scan_type = priv->scan_mode; + + /* INFO: For probe_delay, not multiplying by 1024 as this will be + slightly less than min_channel_time + (per spec: probe delay < min. channel time) */ + scan.min_channel_time = cpu_to_le16(priv->scan_min_time); + scan.max_channel_time = cpu_to_le16(priv->scan_max_time); + scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000); + scan.international_scan = 0; + + /* other values are set to 0 for type 0 */ + + at76_dbg(DBG_PROGRESS, "%s: start_scan (use_essid = %d, intl = %d, " + "channel = %d, probe_delay = %d, scan_min_time = %d, " + "scan_max_time = %d)", + priv->netdev->name, use_essid, + scan.international_scan, scan.channel, + le16_to_cpu(scan.probe_delay), + le16_to_cpu(scan.min_channel_time), + le16_to_cpu(scan.max_channel_time)); + + return at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan)); +} + +/* Enable monitor mode */ +static int at76_start_monitor(struct at76_priv *priv) +{ + struct at76_req_scan scan; + int ret; + + memset(&scan, 0, sizeof(struct at76_req_scan)); + memset(scan.bssid, 0xff, ETH_ALEN); + + scan.channel = priv->channel; + scan.scan_type = SCAN_TYPE_PASSIVE; + scan.international_scan = 0; + + ret = at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan)); + if (ret >= 0) + ret = at76_get_cmd_status(priv->udev, CMD_SCAN); + + return ret; +} + +static int at76_start_ibss(struct at76_priv *priv) +{ + struct at76_req_ibss bss; + int ret; + + WARN_ON(priv->mac_state != MAC_OWN_IBSS); + if (priv->mac_state != MAC_OWN_IBSS) + return -EBUSY; + + memset(&bss, 0, sizeof(struct at76_req_ibss)); + memset(bss.bssid, 0xff, ETH_ALEN); + memcpy(bss.essid, priv->essid, IW_ESSID_MAX_SIZE); + bss.essid_size = priv->essid_size; + bss.bss_type = ADHOC_MODE; + bss.channel = priv->channel; + + ret = at76_set_card_command(priv->udev, CMD_START_IBSS, &bss, + sizeof(struct at76_req_ibss)); + if (ret < 0) { + printk(KERN_ERR "%s: start_ibss failed: %d\n", + priv->netdev->name, ret); + return ret; + } + + ret = at76_wait_completion(priv, CMD_START_IBSS); + if (ret != CMD_STATUS_COMPLETE) { + printk(KERN_ERR "%s: start_ibss failed to complete, %d\n", + priv->netdev->name, ret); + return ret; + } + + ret = at76_get_current_bssid(priv); + if (ret < 0) + return ret; + + ret = at76_get_current_channel(priv); + if (ret < 0) + return ret; + + /* not sure what this is good for ??? */ + priv->mib_buf.type = MIB_MAC_MGMT; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change); + priv->mib_buf.data.byte = 0; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) { + printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n", + priv->netdev->name, ret); + return ret; + } + + netif_carrier_on(priv->netdev); + netif_start_queue(priv->netdev); + return 0; +} + +/* Request card to join BSS in managed or ad-hoc mode */ +static int at76_join_bss(struct at76_priv *priv, struct bss_info *ptr) +{ + struct at76_req_join join; + + BUG_ON(!ptr); + + memset(&join, 0, sizeof(struct at76_req_join)); + memcpy(join.bssid, ptr->bssid, ETH_ALEN); + memcpy(join.essid, ptr->ssid, ptr->ssid_len); + join.essid_size = ptr->ssid_len; + join.bss_type = (priv->iw_mode == IW_MODE_ADHOC ? 1 : 2); + join.channel = ptr->channel; + join.timeout = cpu_to_le16(2000); + + at76_dbg(DBG_PROGRESS, + "%s join addr %s ssid %s type %d ch %d timeout %d", + priv->netdev->name, mac2str(join.bssid), join.essid, + join.bss_type, join.channel, le16_to_cpu(join.timeout)); + return at76_set_card_command(priv->udev, CMD_JOIN, &join, + sizeof(struct at76_req_join)); +} + +/* Calculate padding from txbuf->wlength (which excludes the USB TX header), + likely to compensate a flaw in the AT76C503A USB part ... */ +static inline int at76_calc_padding(int wlen) +{ + /* add the USB TX header */ + wlen += AT76_TX_HDRLEN; + + wlen = wlen % 64; + + if (wlen < 50) + return 50 - wlen; + + if (wlen >= 61) + return 64 + 50 - wlen; + + return 0; +} + +/* We are doing a lot of things here in an interrupt. Need + a bh handler (Watching TV with a TV card is probably + a good test: if you see flickers, we are doing too much. + Currently I do see flickers... even with our tasklet :-( ) + Maybe because the bttv driver and usb-uhci use the same interrupt +*/ +/* Or maybe because our BH handler is preempting bttv's BH handler.. BHs don't + * solve everything.. (alex) */ +static void at76_rx_callback(struct urb *urb) +{ + struct at76_priv *priv = urb->context; + + priv->rx_tasklet.data = (unsigned long)urb; + tasklet_schedule(&priv->rx_tasklet); + return; +} + +static void at76_tx_callback(struct urb *urb) +{ + struct at76_priv *priv = urb->context; + struct net_device_stats *stats = &priv->stats; + unsigned long flags; + struct at76_tx_buffer *mgmt_buf; + int ret; + + switch (urb->status) { + case 0: + stats->tx_packets++; + break; + case -ENOENT: + case -ECONNRESET: + /* urb has been unlinked */ + return; + default: + at76_dbg(DBG_URB, "%s - nonzero tx status received: %d", + __func__, urb->status); + stats->tx_errors++; + break; + } + + spin_lock_irqsave(&priv->mgmt_spinlock, flags); + mgmt_buf = priv->next_mgmt_bulk; + priv->next_mgmt_bulk = NULL; + spin_unlock_irqrestore(&priv->mgmt_spinlock, flags); + + if (!mgmt_buf) { + netif_wake_queue(priv->netdev); + return; + } + + /* we don't copy the padding bytes, but add them + to the length */ + memcpy(priv->bulk_out_buffer, mgmt_buf, + le16_to_cpu(mgmt_buf->wlength) + AT76_TX_HDRLEN); + usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, + priv->bulk_out_buffer, + le16_to_cpu(mgmt_buf->wlength) + mgmt_buf->padding + + AT76_TX_HDRLEN, at76_tx_callback, priv); + ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC); + if (ret) + printk(KERN_ERR "%s: error in tx submit urb: %d\n", + priv->netdev->name, ret); + + kfree(mgmt_buf); +} + +/* Send a management frame on bulk-out. txbuf->wlength must be set */ +static int at76_tx_mgmt(struct at76_priv *priv, struct at76_tx_buffer *txbuf) +{ + unsigned long flags; + int ret; + int urb_status; + void *oldbuf = NULL; + + netif_carrier_off(priv->netdev); /* stop netdev watchdog */ + netif_stop_queue(priv->netdev); /* stop tx data packets */ + + spin_lock_irqsave(&priv->mgmt_spinlock, flags); + + urb_status = priv->tx_urb->status; + if (urb_status == -EINPROGRESS) { + /* cannot transmit now, put in the queue */ + oldbuf = priv->next_mgmt_bulk; + priv->next_mgmt_bulk = txbuf; + } + spin_unlock_irqrestore(&priv->mgmt_spinlock, flags); + + if (oldbuf) { + /* a data/mgmt tx is already pending in the URB - + if this is no error in some situations we must + implement a queue or silently modify the old msg */ + printk(KERN_ERR "%s: removed pending mgmt buffer %s\n", + priv->netdev->name, hex2str(oldbuf, 64)); + kfree(oldbuf); + return 0; + } + + txbuf->tx_rate = TX_RATE_1MBIT; + txbuf->padding = at76_calc_padding(le16_to_cpu(txbuf->wlength)); + memset(txbuf->reserved, 0, sizeof(txbuf->reserved)); + + if (priv->next_mgmt_bulk) + printk(KERN_ERR "%s: URB status %d, but mgmt is pending\n", + priv->netdev->name, urb_status); + + at76_dbg(DBG_TX_MGMT, + "%s: tx mgmt: wlen %d tx_rate %d pad %d %s", + priv->netdev->name, le16_to_cpu(txbuf->wlength), + txbuf->tx_rate, txbuf->padding, + hex2str(txbuf->packet, le16_to_cpu(txbuf->wlength))); + + /* txbuf was not consumed above -> send mgmt msg immediately */ + memcpy(priv->bulk_out_buffer, txbuf, + le16_to_cpu(txbuf->wlength) + AT76_TX_HDRLEN); + usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, + priv->bulk_out_buffer, + le16_to_cpu(txbuf->wlength) + txbuf->padding + + AT76_TX_HDRLEN, at76_tx_callback, priv); + ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC); + if (ret) + printk(KERN_ERR "%s: error in tx submit urb: %d\n", + priv->netdev->name, ret); + + kfree(txbuf); + + return ret; +} + +/* Go to the next information element */ +static inline void next_ie(struct ieee80211_info_element **ie) +{ + *ie = (struct ieee80211_info_element *)(&(*ie)->data[(*ie)->len]); +} + +/* Challenge is the challenge string (in TLV format) + we got with seq_nr 2 for shared secret authentication only and + send in seq_nr 3 WEP encrypted to prove we have the correct WEP key; + otherwise it is NULL */ +static int at76_auth_req(struct at76_priv *priv, struct bss_info *bss, + int seq_nr, struct ieee80211_info_element *challenge) +{ + struct at76_tx_buffer *tx_buffer; + struct ieee80211_hdr_3addr *mgmt; + struct ieee80211_auth *req; + int buf_len = (seq_nr != 3 ? AUTH_FRAME_SIZE : + AUTH_FRAME_SIZE + 1 + 1 + challenge->len); + + BUG_ON(!bss); + BUG_ON(seq_nr == 3 && !challenge); + tx_buffer = kmalloc(buf_len + MAX_PADDING_SIZE, GFP_ATOMIC); + if (!tx_buffer) + return -ENOMEM; + + req = (struct ieee80211_auth *)tx_buffer->packet; + mgmt = &req->header; + + /* make wireless header */ + /* first auth msg is not encrypted, only the second (seq_nr == 3) */ + mgmt->frame_ctl = + cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH | + (seq_nr == 3 ? IEEE80211_FCTL_PROTECTED : 0)); + + mgmt->duration_id = cpu_to_le16(0x8000); + memcpy(mgmt->addr1, bss->bssid, ETH_ALEN); + memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN); + memcpy(mgmt->addr3, bss->bssid, ETH_ALEN); + mgmt->seq_ctl = cpu_to_le16(0); + + req->algorithm = cpu_to_le16(priv->auth_mode); + req->transaction = cpu_to_le16(seq_nr); + req->status = cpu_to_le16(0); + + if (seq_nr == 3) + memcpy(req->info_element, challenge, 1 + 1 + challenge->len); + + /* init. at76_priv tx header */ + tx_buffer->wlength = cpu_to_le16(buf_len - AT76_TX_HDRLEN); + at76_dbg(DBG_TX_MGMT, "%s: AuthReq bssid %s alg %d seq_nr %d", + priv->netdev->name, mac2str(mgmt->addr3), + le16_to_cpu(req->algorithm), le16_to_cpu(req->transaction)); + if (seq_nr == 3) + at76_dbg(DBG_TX_MGMT, "%s: AuthReq challenge: %s ...", + priv->netdev->name, hex2str(req->info_element, 18)); + + /* either send immediately (if no data tx is pending + or put it in pending list */ + return at76_tx_mgmt(priv, tx_buffer); +} + +static int at76_assoc_req(struct at76_priv *priv, struct bss_info *bss) +{ + struct at76_tx_buffer *tx_buffer; + struct ieee80211_hdr_3addr *mgmt; + struct ieee80211_assoc_request *req; + struct ieee80211_info_element *ie; + char *essid; + int essid_len; + u16 capa; + + BUG_ON(!bss); + + tx_buffer = kmalloc(ASSOCREQ_MAX_SIZE + MAX_PADDING_SIZE, GFP_ATOMIC); + if (!tx_buffer) + return -ENOMEM; + + req = (struct ieee80211_assoc_request *)tx_buffer->packet; + mgmt = &req->header; + ie = req->info_element; + + /* make wireless header */ + mgmt->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ASSOC_REQ); + + mgmt->duration_id = cpu_to_le16(0x8000); + memcpy(mgmt->addr1, bss->bssid, ETH_ALEN); + memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN); + memcpy(mgmt->addr3, bss->bssid, ETH_ALEN); + mgmt->seq_ctl = cpu_to_le16(0); + + /* we must set the Privacy bit in the capabilities to assure an + Agere-based AP with optional WEP transmits encrypted frames + to us. AP only set the Privacy bit in their capabilities + if WEP is mandatory in the BSS! */ + capa = bss->capa; + if (priv->wep_enabled) + capa |= WLAN_CAPABILITY_PRIVACY; + if (priv->preamble_type != PREAMBLE_TYPE_LONG) + capa |= WLAN_CAPABILITY_SHORT_PREAMBLE; + req->capability = cpu_to_le16(capa); + + req->listen_interval = cpu_to_le16(2 * bss->beacon_interval); + + /* write TLV data elements */ + + ie->id = MFIE_TYPE_SSID; + ie->len = bss->ssid_len; + memcpy(ie->data, bss->ssid, bss->ssid_len); + next_ie(&ie); + + ie->id = MFIE_TYPE_RATES; + ie->len = sizeof(hw_rates); + memcpy(ie->data, hw_rates, sizeof(hw_rates)); + next_ie(&ie); /* ie points behind the supp_rates field */ + + /* init. at76_priv tx header */ + tx_buffer->wlength = cpu_to_le16((u8 *)ie - (u8 *)mgmt); + + ie = req->info_element; + essid = ie->data; + essid_len = min_t(int, IW_ESSID_MAX_SIZE, ie->len); + + next_ie(&ie); /* points to IE of rates now */ + at76_dbg(DBG_TX_MGMT, + "%s: AssocReq bssid %s capa 0x%04x ssid %.*s rates %s", + priv->netdev->name, mac2str(mgmt->addr3), + le16_to_cpu(req->capability), essid_len, essid, + hex2str(ie->data, ie->len)); + + /* either send immediately (if no data tx is pending + or put it in pending list */ + return at76_tx_mgmt(priv, tx_buffer); +} + +/* We got to check the bss_list for old entries */ +static void at76_bss_list_timeout(unsigned long par) +{ + struct at76_priv *priv = (struct at76_priv *)par; + unsigned long flags; + struct list_head *lptr, *nptr; + struct bss_info *ptr; + + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + + list_for_each_safe(lptr, nptr, &priv->bss_list) { + + ptr = list_entry(lptr, struct bss_info, list); + + if (ptr != priv->curr_bss + && time_after(jiffies, ptr->last_rx + BSS_LIST_TIMEOUT)) { + at76_dbg(DBG_BSS_TABLE_RM, + "%s: bss_list: removing old BSS %s ch %d", + priv->netdev->name, mac2str(ptr->bssid), + ptr->channel); + list_del(&ptr->list); + kfree(ptr); + } + } + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); + /* restart the timer */ + mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT); +} + +static inline void at76_set_mac_state(struct at76_priv *priv, + enum mac_state mac_state) +{ + at76_dbg(DBG_MAC_STATE, "%s state: %s", priv->netdev->name, + mac_states[mac_state]); + priv->mac_state = mac_state; +} + +static void at76_dump_bss_table(struct at76_priv *priv) +{ + struct bss_info *ptr; + unsigned long flags; + struct list_head *lptr; + + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + + at76_dbg(DBG_BSS_TABLE, "%s BSS table (curr=%p):", priv->netdev->name, + priv->curr_bss); + + list_for_each(lptr, &priv->bss_list) { + ptr = list_entry(lptr, struct bss_info, list); + at76_dbg(DBG_BSS_TABLE, "0x%p: bssid %s channel %d ssid %.*s " + "(%s) capa 0x%04x rates %s rssi %d link %d noise %d", + ptr, mac2str(ptr->bssid), ptr->channel, ptr->ssid_len, + ptr->ssid, hex2str(ptr->ssid, ptr->ssid_len), + ptr->capa, hex2str(ptr->rates, ptr->rates_len), + ptr->rssi, ptr->link_qual, ptr->noise_level); + } + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); +} + +/* Called upon successful association to mark interface as connected */ +static void at76_work_assoc_done(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_assoc_done); + + mutex_lock(&priv->mtx); + + WARN_ON(priv->mac_state != MAC_ASSOC); + WARN_ON(!priv->curr_bss); + if (priv->mac_state != MAC_ASSOC || !priv->curr_bss) + goto exit; + + if (priv->iw_mode == IW_MODE_INFRA) { + if (priv->pm_mode != AT76_PM_OFF) { + /* calculate the listen interval in units of + beacon intervals of the curr_bss */ + u32 pm_period_beacon = (priv->pm_period >> 10) / + priv->curr_bss->beacon_interval; + + pm_period_beacon = max(pm_period_beacon, 2u); + pm_period_beacon = min(pm_period_beacon, 0xffffu); + + at76_dbg(DBG_PM, + "%s: pm_mode %d assoc id 0x%x listen int %d", + priv->netdev->name, priv->pm_mode, + priv->assoc_id, pm_period_beacon); + + at76_set_associd(priv, priv->assoc_id); + at76_set_listen_interval(priv, (u16)pm_period_beacon); + } + schedule_delayed_work(&priv->dwork_beacon, BEACON_TIMEOUT); + } + at76_set_pm_mode(priv); + + netif_carrier_on(priv->netdev); + netif_wake_queue(priv->netdev); + at76_set_mac_state(priv, MAC_CONNECTED); + at76_iwevent_bss_connect(priv->netdev, priv->curr_bss->bssid); + at76_dbg(DBG_PROGRESS, "%s: connected to BSSID %s", + priv->netdev->name, mac2str(priv->curr_bss->bssid)); + +exit: + mutex_unlock(&priv->mtx); +} + +/* We only store the new mac address in netdev struct, + it gets set when the netdev is opened. */ +static int at76_set_mac_address(struct net_device *netdev, void *addr) +{ + struct sockaddr *mac = addr; + memcpy(netdev->dev_addr, mac->sa_data, ETH_ALEN); + return 1; +} + +static struct net_device_stats *at76_get_stats(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + return &priv->stats; +} + +static struct iw_statistics *at76_get_wireless_stats(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "RETURN qual %d level %d noise %d updated %d", + priv->wstats.qual.qual, priv->wstats.qual.level, + priv->wstats.qual.noise, priv->wstats.qual.updated); + + return &priv->wstats; +} + +static void at76_set_multicast(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + int promisc; + + promisc = ((netdev->flags & IFF_PROMISC) != 0); + if (promisc != priv->promisc) { + /* This gets called in interrupt, must reschedule */ + priv->promisc = promisc; + schedule_work(&priv->work_set_promisc); + } +} + +/* Stop all network activity, flush all pending tasks */ +static void at76_quiesce(struct at76_priv *priv) +{ + unsigned long flags; + + netif_stop_queue(priv->netdev); + netif_carrier_off(priv->netdev); + + at76_set_mac_state(priv, MAC_INIT); + + cancel_delayed_work(&priv->dwork_get_scan); + cancel_delayed_work(&priv->dwork_beacon); + cancel_delayed_work(&priv->dwork_auth); + cancel_delayed_work(&priv->dwork_assoc); + cancel_delayed_work(&priv->dwork_restart); + + spin_lock_irqsave(&priv->mgmt_spinlock, flags); + kfree(priv->next_mgmt_bulk); + priv->next_mgmt_bulk = NULL; + spin_unlock_irqrestore(&priv->mgmt_spinlock, flags); +} + +/******************************************************************************* + * at76_priv implementations of iw_handler functions: + */ +static int at76_iw_handler_commit(struct net_device *netdev, + struct iw_request_info *info, + void *null, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "%s %s: restarting the device", netdev->name, + __func__); + + if (priv->mac_state != MAC_INIT) + at76_quiesce(priv); + + /* Wait half second before the restart to process subsequent + * requests from the same iwconfig in a single restart */ + schedule_delayed_work(&priv->dwork_restart, HZ / 2); + + return 0; +} + +static int at76_iw_handler_get_name(struct net_device *netdev, + struct iw_request_info *info, + char *name, char *extra) +{ + strcpy(name, "IEEE 802.11b"); + at76_dbg(DBG_IOCTL, "%s: SIOCGIWNAME - name %s", netdev->name, name); + return 0; +} + +static int at76_iw_handler_set_freq(struct net_device *netdev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int chan = -1; + int ret = -EIWCOMMIT; + at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - freq.m %d freq.e %d", + netdev->name, freq->m, freq->e); + + if ((freq->e == 0) && (freq->m <= 1000)) + /* Setting by channel number */ + chan = freq->m; + else { + /* Setting by frequency - search the table */ + int mult = 1; + int i; + + for (i = 0; i < (6 - freq->e); i++) + mult *= 10; + + for (i = 0; i < NUM_CHANNELS; i++) { + if (freq->m == (channel_frequency[i] * mult)) + chan = i + 1; + } + } + + if (chan < 1 || !priv->domain) + /* non-positive channels are invalid + * we need a domain info to set the channel + * either that or an invalid frequency was + * provided by the user */ + ret = -EINVAL; + else if (!(priv->domain->channel_map & (1 << (chan - 1)))) { + printk(KERN_INFO "%s: channel %d not allowed for domain %s\n", + priv->netdev->name, chan, priv->domain->name); + ret = -EINVAL; + } + + if (ret == -EIWCOMMIT) { + priv->channel = chan; + at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - ch %d", netdev->name, + chan); + } + + return ret; +} + +static int at76_iw_handler_get_freq(struct net_device *netdev, + struct iw_request_info *info, + struct iw_freq *freq, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + freq->m = priv->channel; + freq->e = 0; + + if (priv->channel) + at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - freq %ld x 10e%d", + netdev->name, channel_frequency[priv->channel - 1], 6); + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - ch %d", netdev->name, + priv->channel); + + return 0; +} + +static int at76_iw_handler_set_mode(struct net_device *netdev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWMODE - %d", netdev->name, *mode); + + if ((*mode != IW_MODE_ADHOC) && (*mode != IW_MODE_INFRA) && + (*mode != IW_MODE_MONITOR)) + return -EINVAL; + + priv->iw_mode = *mode; + if (priv->iw_mode != IW_MODE_INFRA) + priv->pm_mode = AT76_PM_OFF; + + return -EIWCOMMIT; +} + +static int at76_iw_handler_get_mode(struct net_device *netdev, + struct iw_request_info *info, + __u32 *mode, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + *mode = priv->iw_mode; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWMODE - %d", netdev->name, *mode); + + return 0; +} + +static int at76_iw_handler_get_range(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + /* inspired by atmel.c */ + struct at76_priv *priv = netdev_priv(netdev); + struct iw_range *range = (struct iw_range *)extra; + int i; + + data->length = sizeof(struct iw_range); + memset(range, 0, sizeof(struct iw_range)); + + /* TODO: range->throughput = xxxxxx; */ + + range->min_nwid = 0x0000; + range->max_nwid = 0x0000; + + /* this driver doesn't maintain sensitivity information */ + range->sensitivity = 0; + + range->max_qual.qual = 100; + range->max_qual.level = 100; + range->max_qual.noise = 0; + range->max_qual.updated = IW_QUAL_NOISE_INVALID; + + range->avg_qual.qual = 50; + range->avg_qual.level = 50; + range->avg_qual.noise = 0; + range->avg_qual.updated = IW_QUAL_NOISE_INVALID; + + range->bitrate[0] = 1000000; + range->bitrate[1] = 2000000; + range->bitrate[2] = 5500000; + range->bitrate[3] = 11000000; + range->num_bitrates = 4; + + range->min_rts = 0; + range->max_rts = MAX_RTS_THRESHOLD; + + range->min_frag = MIN_FRAG_THRESHOLD; + range->max_frag = MAX_FRAG_THRESHOLD; + + range->pmp_flags = IW_POWER_PERIOD; + range->pmt_flags = IW_POWER_ON; + range->pm_capa = IW_POWER_PERIOD | IW_POWER_ALL_R; + + range->encoding_size[0] = WEP_SMALL_KEY_LEN; + range->encoding_size[1] = WEP_LARGE_KEY_LEN; + range->num_encoding_sizes = 2; + range->max_encoding_tokens = WEP_KEYS; + + /* both WL-240U and Linksys WUSB11 v2.6 specify 15 dBm as output power + - take this for all (ignore antenna gains) */ + range->txpower[0] = 15; + range->num_txpower = 1; + range->txpower_capa = IW_TXPOW_DBM; + + range->we_version_source = WIRELESS_EXT; + range->we_version_compiled = WIRELESS_EXT; + + /* same as the values used in atmel.c */ + range->retry_capa = IW_RETRY_LIMIT; + range->retry_flags = IW_RETRY_LIMIT; + range->r_time_flags = 0; + range->min_retry = 1; + range->max_retry = 255; + + range->num_channels = NUM_CHANNELS; + range->num_frequency = 0; + + for (i = 0; i < NUM_CHANNELS; i++) { + /* test if channel map bit is raised */ + if (priv->domain->channel_map & (0x1 << i)) { + range->num_frequency += 1; + + range->freq[i].i = i + 1; + range->freq[i].m = channel_frequency[i] * 100000; + range->freq[i].e = 1; /* freq * 10^1 */ + } + } + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWRANGE", netdev->name); + + return 0; +} + +static int at76_iw_handler_set_spy(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = 0; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWSPY - number of addresses %d", + netdev->name, data->length); + + spin_lock_bh(&priv->spy_spinlock); + ret = iw_handler_set_spy(priv->netdev, info, (union iwreq_data *)data, + extra); + spin_unlock_bh(&priv->spy_spinlock); + + return ret; +} + +static int at76_iw_handler_get_spy(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + + struct at76_priv *priv = netdev_priv(netdev); + int ret = 0; + + spin_lock_bh(&priv->spy_spinlock); + ret = iw_handler_get_spy(priv->netdev, info, + (union iwreq_data *)data, extra); + spin_unlock_bh(&priv->spy_spinlock); + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWSPY - number of addresses %d", + netdev->name, data->length); + + return ret; +} + +static int at76_iw_handler_set_thrspy(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWTHRSPY - number of addresses %d)", + netdev->name, data->length); + + spin_lock_bh(&priv->spy_spinlock); + ret = iw_handler_set_thrspy(netdev, info, (union iwreq_data *)data, + extra); + spin_unlock_bh(&priv->spy_spinlock); + + return ret; +} + +static int at76_iw_handler_get_thrspy(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret; + + spin_lock_bh(&priv->spy_spinlock); + ret = iw_handler_get_thrspy(netdev, info, (union iwreq_data *)data, + extra); + spin_unlock_bh(&priv->spy_spinlock); + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWTHRSPY - number of addresses %d)", + netdev->name, data->length); + + return ret; +} + +static int at76_iw_handler_set_wap(struct net_device *netdev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWAP - wap/bssid %s", netdev->name, + mac2str(ap_addr->sa_data)); + + /* if the incoming address == ff:ff:ff:ff:ff:ff, the user has + chosen any or auto AP preference */ + if (is_broadcast_ether_addr(ap_addr->sa_data) + || is_zero_ether_addr(ap_addr->sa_data)) + priv->wanted_bssid_valid = 0; + else { + /* user wants to set a preferred AP address */ + priv->wanted_bssid_valid = 1; + memcpy(priv->wanted_bssid, ap_addr->sa_data, ETH_ALEN); + } + + return -EIWCOMMIT; +} + +static int at76_iw_handler_get_wap(struct net_device *netdev, + struct iw_request_info *info, + struct sockaddr *ap_addr, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + ap_addr->sa_family = ARPHRD_ETHER; + memcpy(ap_addr->sa_data, priv->bssid, ETH_ALEN); + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWAP - wap/bssid %s", netdev->name, + mac2str(ap_addr->sa_data)); + + return 0; +} + +static int at76_iw_handler_set_scan(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = 0; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWSCAN", netdev->name); + + if (mutex_lock_interruptible(&priv->mtx)) + return -EINTR; + + if (!netif_running(netdev)) { + ret = -ENETDOWN; + goto exit; + } + + /* jal: we don't allow "iwlist ethX scan" while we are + in monitor mode */ + if (priv->iw_mode == IW_MODE_MONITOR) { + ret = -EBUSY; + goto exit; + } + + /* Discard old scan results */ + if ((jiffies - priv->last_scan) > (20 * HZ)) + priv->scan_state = SCAN_IDLE; + priv->last_scan = jiffies; + + /* Initiate a scan command */ + if (priv->scan_state == SCAN_IN_PROGRESS) { + ret = -EBUSY; + goto exit; + } + + priv->scan_state = SCAN_IN_PROGRESS; + + at76_quiesce(priv); + + /* Try to do passive or active scan if WE asks as. */ + if (wrqu->data.length + && wrqu->data.length == sizeof(struct iw_scan_req)) { + struct iw_scan_req *req = (struct iw_scan_req *)extra; + + if (req->scan_type == IW_SCAN_TYPE_PASSIVE) + priv->scan_mode = SCAN_TYPE_PASSIVE; + else if (req->scan_type == IW_SCAN_TYPE_ACTIVE) + priv->scan_mode = SCAN_TYPE_ACTIVE; + + /* Sanity check values? */ + if (req->min_channel_time > 0) + priv->scan_min_time = req->min_channel_time; + + if (req->max_channel_time > 0) + priv->scan_max_time = req->max_channel_time; + } + + /* change to scanning state */ + at76_set_mac_state(priv, MAC_SCANNING); + schedule_work(&priv->work_start_scan); + +exit: + mutex_unlock(&priv->mtx); + return ret; +} + +static int at76_iw_handler_get_scan(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + unsigned long flags; + struct list_head *lptr, *nptr; + struct bss_info *curr_bss; + struct iw_event *iwe = kmalloc(sizeof(struct iw_event), GFP_KERNEL); + char *curr_val, *curr_pos = extra; + int i; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWSCAN", netdev->name); + + if (!iwe) + return -ENOMEM; + + if (priv->scan_state != SCAN_COMPLETED) + /* scan not yet finished */ + return -EAGAIN; + + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + + list_for_each_safe(lptr, nptr, &priv->bss_list) { + curr_bss = list_entry(lptr, struct bss_info, list); + + iwe->cmd = SIOCGIWAP; + iwe->u.ap_addr.sa_family = ARPHRD_ETHER; + memcpy(iwe->u.ap_addr.sa_data, curr_bss->bssid, 6); + curr_pos = iwe_stream_add_event(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + IW_EV_ADDR_LEN); + + iwe->u.data.length = curr_bss->ssid_len; + iwe->cmd = SIOCGIWESSID; + iwe->u.data.flags = 1; + + curr_pos = iwe_stream_add_point(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + curr_bss->ssid); + + iwe->cmd = SIOCGIWMODE; + iwe->u.mode = (curr_bss->capa & WLAN_CAPABILITY_IBSS) ? + IW_MODE_ADHOC : + (curr_bss->capa & WLAN_CAPABILITY_ESS) ? + IW_MODE_MASTER : IW_MODE_AUTO; + /* IW_MODE_AUTO = 0 which I thought is + * the most logical value to return in this case */ + curr_pos = iwe_stream_add_event(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + IW_EV_UINT_LEN); + + iwe->cmd = SIOCGIWFREQ; + iwe->u.freq.m = curr_bss->channel; + iwe->u.freq.e = 0; + curr_pos = iwe_stream_add_event(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + IW_EV_FREQ_LEN); + + iwe->cmd = SIOCGIWENCODE; + if (curr_bss->capa & WLAN_CAPABILITY_PRIVACY) + iwe->u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; + else + iwe->u.data.flags = IW_ENCODE_DISABLED; + + iwe->u.data.length = 0; + curr_pos = iwe_stream_add_point(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + NULL); + + /* Add quality statistics */ + iwe->cmd = IWEVQUAL; + iwe->u.qual.noise = 0; + iwe->u.qual.updated = + IW_QUAL_NOISE_INVALID | IW_QUAL_LEVEL_UPDATED; + iwe->u.qual.level = (curr_bss->rssi * 100 / 42); + if (iwe->u.qual.level > 100) + iwe->u.qual.level = 100; + if (at76_is_intersil(priv->board_type)) + iwe->u.qual.qual = curr_bss->link_qual; + else { + iwe->u.qual.qual = 0; + iwe->u.qual.updated |= IW_QUAL_QUAL_INVALID; + } + /* Add new value to event */ + curr_pos = iwe_stream_add_event(info, curr_pos, + extra + IW_SCAN_MAX_DATA, iwe, + IW_EV_QUAL_LEN); + + /* Rate: stuffing multiple values in a single event requires + * a bit more of magic - Jean II */ + curr_val = curr_pos + IW_EV_LCP_LEN; + + iwe->cmd = SIOCGIWRATE; + /* Those two flags are ignored... */ + iwe->u.bitrate.fixed = 0; + iwe->u.bitrate.disabled = 0; + /* Max 8 values */ + for (i = 0; i < curr_bss->rates_len; i++) { + /* Bit rate given in 500 kb/s units (+ 0x80) */ + iwe->u.bitrate.value = + ((curr_bss->rates[i] & 0x7f) * 500000); + /* Add new value to event */ + curr_val = iwe_stream_add_value(info, curr_pos, + curr_val, + extra + + IW_SCAN_MAX_DATA, iwe, + IW_EV_PARAM_LEN); + } + + /* Check if we added any event */ + if ((curr_val - curr_pos) > IW_EV_LCP_LEN) + curr_pos = curr_val; + + /* more information may be sent back using IWECUSTOM */ + + } + + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); + + data->length = (curr_pos - extra); + data->flags = 0; + + kfree(iwe); + return 0; +} + +static int at76_iw_handler_set_essid(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWESSID - %s", netdev->name, extra); + + if (data->flags) { + memcpy(priv->essid, extra, data->length); + priv->essid_size = data->length; + } else + priv->essid_size = 0; /* Use any SSID */ + + return -EIWCOMMIT; +} + +static int at76_iw_handler_get_essid(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + if (priv->essid_size) { + /* not the ANY ssid in priv->essid */ + data->flags = 1; + data->length = priv->essid_size; + memcpy(extra, priv->essid, data->length); + } else { + /* the ANY ssid was specified */ + if (priv->mac_state == MAC_CONNECTED && priv->curr_bss) { + /* report the SSID we have found */ + data->flags = 1; + data->length = priv->curr_bss->ssid_len; + memcpy(extra, priv->curr_bss->ssid, data->length); + } else { + /* report ANY back */ + data->flags = 0; + data->length = 0; + } + } + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWESSID - %.*s", netdev->name, + data->length, extra); + + return 0; +} + +static int at76_iw_handler_set_rate(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *bitrate, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWRATE - %d", netdev->name, + bitrate->value); + + switch (bitrate->value) { + case -1: + priv->txrate = TX_RATE_AUTO; + break; /* auto rate */ + case 1000000: + priv->txrate = TX_RATE_1MBIT; + break; + case 2000000: + priv->txrate = TX_RATE_2MBIT; + break; + case 5500000: + priv->txrate = TX_RATE_5_5MBIT; + break; + case 11000000: + priv->txrate = TX_RATE_11MBIT; + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int at76_iw_handler_get_rate(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *bitrate, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = 0; + + switch (priv->txrate) { + /* return max rate if RATE_AUTO */ + case TX_RATE_AUTO: + bitrate->value = 11000000; + break; + case TX_RATE_1MBIT: + bitrate->value = 1000000; + break; + case TX_RATE_2MBIT: + bitrate->value = 2000000; + break; + case TX_RATE_5_5MBIT: + bitrate->value = 5500000; + break; + case TX_RATE_11MBIT: + bitrate->value = 11000000; + break; + default: + ret = -EINVAL; + } + + bitrate->fixed = (priv->txrate != TX_RATE_AUTO); + bitrate->disabled = 0; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWRATE - %d", netdev->name, + bitrate->value); + + return ret; +} + +static int at76_iw_handler_set_rts(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = -EIWCOMMIT; + int rthr = rts->value; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWRTS - value %d disabled %s", + netdev->name, rts->value, (rts->disabled) ? "true" : "false"); + + if (rts->disabled) + rthr = MAX_RTS_THRESHOLD; + + if ((rthr < 0) || (rthr > MAX_RTS_THRESHOLD)) + ret = -EINVAL; + else + priv->rts_threshold = rthr; + + return ret; +} + +static int at76_iw_handler_get_rts(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *rts, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + rts->value = priv->rts_threshold; + rts->disabled = (rts->value >= MAX_RTS_THRESHOLD); + rts->fixed = 1; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWRTS - value %d disabled %s", + netdev->name, rts->value, (rts->disabled) ? "true" : "false"); + + return 0; +} + +static int at76_iw_handler_set_frag(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *frag, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = -EIWCOMMIT; + int fthr = frag->value; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWFRAG - value %d, disabled %s", + netdev->name, frag->value, + (frag->disabled) ? "true" : "false"); + + if (frag->disabled) + fthr = MAX_FRAG_THRESHOLD; + + if ((fthr < MIN_FRAG_THRESHOLD) || (fthr > MAX_FRAG_THRESHOLD)) + ret = -EINVAL; + else + priv->frag_threshold = fthr & ~0x1; /* get an even value */ + + return ret; +} + +static int at76_iw_handler_get_frag(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *frag, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + frag->value = priv->frag_threshold; + frag->disabled = (frag->value >= MAX_FRAG_THRESHOLD); + frag->fixed = 1; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWFRAG - value %d, disabled %s", + netdev->name, frag->value, + (frag->disabled) ? "true" : "false"); + + return 0; +} + +static int at76_iw_handler_get_txpow(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *power, char *extra) +{ + power->value = 15; + power->fixed = 1; /* No power control */ + power->disabled = 0; + power->flags = IW_TXPOW_DBM; + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWTXPOW - txpow %d dBm", netdev->name, + power->value); + + return 0; +} + +/* jal: short retry is handled by the firmware (at least 0.90.x), + while long retry is not (?) */ +static int at76_iw_handler_set_retry(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *retry, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWRETRY disabled %d flags 0x%x val %d", + netdev->name, retry->disabled, retry->flags, retry->value); + + if (!retry->disabled && (retry->flags & IW_RETRY_LIMIT)) { + if ((retry->flags & IW_RETRY_MIN) || + !(retry->flags & IW_RETRY_MAX)) + priv->short_retry_limit = retry->value; + else + ret = -EINVAL; + } else + ret = -EINVAL; + + return ret; +} + +/* Adapted (ripped) from atmel.c */ +static int at76_iw_handler_get_retry(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *retry, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWRETRY", netdev->name); + + retry->disabled = 0; /* Can't be disabled */ + retry->flags = IW_RETRY_LIMIT; + retry->value = priv->short_retry_limit; + + return 0; +} + +static int at76_iw_handler_set_encode(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *encoding, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int index = (encoding->flags & IW_ENCODE_INDEX) - 1; + int len = encoding->length; + + at76_dbg(DBG_IOCTL, "%s: SIOCSIWENCODE - enc.flags %08x " + "pointer %p len %d", netdev->name, encoding->flags, + encoding->pointer, encoding->length); + at76_dbg(DBG_IOCTL, + "%s: SIOCSIWENCODE - old wepstate: enabled %s key_id %d " + "auth_mode %s", netdev->name, + (priv->wep_enabled) ? "true" : "false", priv->wep_key_id, + (priv->auth_mode == + WLAN_AUTH_SHARED_KEY) ? "restricted" : "open"); + + /* take the old default key if index is invalid */ + if ((index < 0) || (index >= WEP_KEYS)) + index = priv->wep_key_id; + + if (len > 0) { + if (len > WEP_LARGE_KEY_LEN) + len = WEP_LARGE_KEY_LEN; + + memset(priv->wep_keys[index], 0, WEP_KEY_LEN); + memcpy(priv->wep_keys[index], extra, len); + priv->wep_keys_len[index] = (len <= WEP_SMALL_KEY_LEN) ? + WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN; + priv->wep_enabled = 1; + } + + priv->wep_key_id = index; + priv->wep_enabled = ((encoding->flags & IW_ENCODE_DISABLED) == 0); + + if (encoding->flags & IW_ENCODE_RESTRICTED) + priv->auth_mode = WLAN_AUTH_SHARED_KEY; + if (encoding->flags & IW_ENCODE_OPEN) + priv->auth_mode = WLAN_AUTH_OPEN; + + at76_dbg(DBG_IOCTL, + "%s: SIOCSIWENCODE - new wepstate: enabled %s key_id %d " + "key_len %d auth_mode %s", netdev->name, + (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1, + priv->wep_keys_len[priv->wep_key_id], + (priv->auth_mode == + WLAN_AUTH_SHARED_KEY) ? "restricted" : "open"); + + return -EIWCOMMIT; +} + +static int at76_iw_handler_get_encode(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *encoding, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int index = (encoding->flags & IW_ENCODE_INDEX) - 1; + + if ((index < 0) || (index >= WEP_KEYS)) + index = priv->wep_key_id; + + encoding->flags = + (priv->auth_mode == WLAN_AUTH_SHARED_KEY) ? + IW_ENCODE_RESTRICTED : IW_ENCODE_OPEN; + + if (!priv->wep_enabled) + encoding->flags |= IW_ENCODE_DISABLED; + + if (encoding->pointer) { + encoding->length = priv->wep_keys_len[index]; + + memcpy(extra, priv->wep_keys[index], priv->wep_keys_len[index]); + + encoding->flags |= (index + 1); + } + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWENCODE - enc.flags %08x " + "pointer %p len %d", netdev->name, encoding->flags, + encoding->pointer, encoding->length); + at76_dbg(DBG_IOCTL, + "%s: SIOCGIWENCODE - wepstate: enabled %s key_id %d " + "key_len %d auth_mode %s", netdev->name, + (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1, + priv->wep_keys_len[priv->wep_key_id], + (priv->auth_mode == + WLAN_AUTH_SHARED_KEY) ? "restricted" : "open"); + + return 0; +} + +static int at76_iw_handler_set_power(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *prq, char *extra) +{ + int err = -EIWCOMMIT; + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_IOCTL, + "%s: SIOCSIWPOWER - disabled %s flags 0x%x value 0x%x", + netdev->name, (prq->disabled) ? "true" : "false", prq->flags, + prq->value); + + if (prq->disabled) + priv->pm_mode = AT76_PM_OFF; + else { + switch (prq->flags & IW_POWER_MODE) { + case IW_POWER_ALL_R: + case IW_POWER_ON: + break; + default: + err = -EINVAL; + goto exit; + } + if (prq->flags & IW_POWER_PERIOD) + priv->pm_period = prq->value; + + if (prq->flags & IW_POWER_TIMEOUT) { + err = -EINVAL; + goto exit; + } + priv->pm_mode = AT76_PM_ON; + } +exit: + return err; +} + +static int at76_iw_handler_get_power(struct net_device *netdev, + struct iw_request_info *info, + struct iw_param *power, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + power->disabled = (priv->pm_mode == AT76_PM_OFF); + if (!power->disabled) { + power->flags = IW_POWER_PERIOD | IW_POWER_ALL_R; + power->value = priv->pm_period; + } + + at76_dbg(DBG_IOCTL, "%s: SIOCGIWPOWER - %s flags 0x%x value 0x%x", + netdev->name, power->disabled ? "disabled" : "enabled", + power->flags, power->value); + + return 0; +} + +/******************************************************************************* + * Private IOCTLS + */ +static int at76_iw_set_short_preamble(struct net_device *netdev, + struct iw_request_info *info, char *name, + char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int val = *((int *)name); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_SHORT_PREAMBLE, %d", + netdev->name, val); + + if (val < PREAMBLE_TYPE_LONG || val > PREAMBLE_TYPE_AUTO) + ret = -EINVAL; + else + priv->preamble_type = val; + + return ret; +} + +static int at76_iw_get_short_preamble(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + + snprintf(wrqu->name, sizeof(wrqu->name), "%s (%d)", + preambles[priv->preamble_type], priv->preamble_type); + return 0; +} + +static int at76_iw_set_debug(struct net_device *netdev, + struct iw_request_info *info, + struct iw_point *data, char *extra) +{ + char *ptr; + u32 val; + + if (data->length > 0) { + val = simple_strtol(extra, &ptr, 0); + + if (ptr == extra) + val = DBG_DEFAULTS; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG input %d: %s -> 0x%x", + netdev->name, data->length, extra, val); + } else + val = DBG_DEFAULTS; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG, old 0x%x, new 0x%x", + netdev->name, at76_debug, val); + + /* jal: some more output to pin down lockups */ + at76_dbg(DBG_IOCTL, "%s: netif running %d queue_stopped %d " + "carrier_ok %d", netdev->name, netif_running(netdev), + netif_queue_stopped(netdev), netif_carrier_ok(netdev)); + + at76_debug = val; + + return 0; +} + +static int at76_iw_get_debug(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + snprintf(wrqu->name, sizeof(wrqu->name), "0x%08x", at76_debug); + return 0; +} + +static int at76_iw_set_powersave_mode(struct net_device *netdev, + struct iw_request_info *info, char *name, + char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int val = *((int *)name); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_POWERSAVE_MODE, %d (%s)", + netdev->name, val, + val == AT76_PM_OFF ? "active" : val == AT76_PM_ON ? "save" : + val == AT76_PM_SMART ? "smart save" : ""); + if (val < AT76_PM_OFF || val > AT76_PM_SMART) + ret = -EINVAL; + else + priv->pm_mode = val; + + return ret; +} + +static int at76_iw_get_powersave_mode(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int *param = (int *)extra; + + param[0] = priv->pm_mode; + return 0; +} + +static int at76_iw_set_scan_times(struct net_device *netdev, + struct iw_request_info *info, char *name, + char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int mint = *((int *)name); + int maxt = *((int *)name + 1); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_TIMES - min %d max %d", + netdev->name, mint, maxt); + if (mint <= 0 || maxt <= 0 || mint > maxt) + ret = -EINVAL; + else { + priv->scan_min_time = mint; + priv->scan_max_time = maxt; + } + + return ret; +} + +static int at76_iw_get_scan_times(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int *param = (int *)extra; + + param[0] = priv->scan_min_time; + param[1] = priv->scan_max_time; + return 0; +} + +static int at76_iw_set_scan_mode(struct net_device *netdev, + struct iw_request_info *info, char *name, + char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int val = *((int *)name); + int ret = -EIWCOMMIT; + + at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_MODE - mode %s", + netdev->name, (val = SCAN_TYPE_ACTIVE) ? "active" : + (val = SCAN_TYPE_PASSIVE) ? "passive" : ""); + + if (val != SCAN_TYPE_ACTIVE && val != SCAN_TYPE_PASSIVE) + ret = -EINVAL; + else + priv->scan_mode = val; + + return ret; +} + +static int at76_iw_get_scan_mode(struct net_device *netdev, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct at76_priv *priv = netdev_priv(netdev); + int *param = (int *)extra; + + param[0] = priv->scan_mode; + return 0; +} + +#define AT76_SET_HANDLER(h, f) [h - SIOCIWFIRST] = (iw_handler) f + +/* Standard wireless handlers */ +static const iw_handler at76_handlers[] = { + AT76_SET_HANDLER(SIOCSIWCOMMIT, at76_iw_handler_commit), + AT76_SET_HANDLER(SIOCGIWNAME, at76_iw_handler_get_name), + AT76_SET_HANDLER(SIOCSIWFREQ, at76_iw_handler_set_freq), + AT76_SET_HANDLER(SIOCGIWFREQ, at76_iw_handler_get_freq), + AT76_SET_HANDLER(SIOCSIWMODE, at76_iw_handler_set_mode), + AT76_SET_HANDLER(SIOCGIWMODE, at76_iw_handler_get_mode), + AT76_SET_HANDLER(SIOCGIWRANGE, at76_iw_handler_get_range), + AT76_SET_HANDLER(SIOCSIWSPY, at76_iw_handler_set_spy), + AT76_SET_HANDLER(SIOCGIWSPY, at76_iw_handler_get_spy), + AT76_SET_HANDLER(SIOCSIWTHRSPY, at76_iw_handler_set_thrspy), + AT76_SET_HANDLER(SIOCGIWTHRSPY, at76_iw_handler_get_thrspy), + AT76_SET_HANDLER(SIOCSIWAP, at76_iw_handler_set_wap), + AT76_SET_HANDLER(SIOCGIWAP, at76_iw_handler_get_wap), + AT76_SET_HANDLER(SIOCSIWSCAN, at76_iw_handler_set_scan), + AT76_SET_HANDLER(SIOCGIWSCAN, at76_iw_handler_get_scan), + AT76_SET_HANDLER(SIOCSIWESSID, at76_iw_handler_set_essid), + AT76_SET_HANDLER(SIOCGIWESSID, at76_iw_handler_get_essid), + AT76_SET_HANDLER(SIOCSIWRATE, at76_iw_handler_set_rate), + AT76_SET_HANDLER(SIOCGIWRATE, at76_iw_handler_get_rate), + AT76_SET_HANDLER(SIOCSIWRTS, at76_iw_handler_set_rts), + AT76_SET_HANDLER(SIOCGIWRTS, at76_iw_handler_get_rts), + AT76_SET_HANDLER(SIOCSIWFRAG, at76_iw_handler_set_frag), + AT76_SET_HANDLER(SIOCGIWFRAG, at76_iw_handler_get_frag), + AT76_SET_HANDLER(SIOCGIWTXPOW, at76_iw_handler_get_txpow), + AT76_SET_HANDLER(SIOCSIWRETRY, at76_iw_handler_set_retry), + AT76_SET_HANDLER(SIOCGIWRETRY, at76_iw_handler_get_retry), + AT76_SET_HANDLER(SIOCSIWENCODE, at76_iw_handler_set_encode), + AT76_SET_HANDLER(SIOCGIWENCODE, at76_iw_handler_get_encode), + AT76_SET_HANDLER(SIOCSIWPOWER, at76_iw_handler_set_power), + AT76_SET_HANDLER(SIOCGIWPOWER, at76_iw_handler_get_power) +}; + +#define AT76_SET_PRIV(h, f) [h - SIOCIWFIRSTPRIV] = (iw_handler) f + +/* Private wireless handlers */ +static const iw_handler at76_priv_handlers[] = { + AT76_SET_PRIV(AT76_SET_SHORT_PREAMBLE, at76_iw_set_short_preamble), + AT76_SET_PRIV(AT76_GET_SHORT_PREAMBLE, at76_iw_get_short_preamble), + AT76_SET_PRIV(AT76_SET_DEBUG, at76_iw_set_debug), + AT76_SET_PRIV(AT76_GET_DEBUG, at76_iw_get_debug), + AT76_SET_PRIV(AT76_SET_POWERSAVE_MODE, at76_iw_set_powersave_mode), + AT76_SET_PRIV(AT76_GET_POWERSAVE_MODE, at76_iw_get_powersave_mode), + AT76_SET_PRIV(AT76_SET_SCAN_TIMES, at76_iw_set_scan_times), + AT76_SET_PRIV(AT76_GET_SCAN_TIMES, at76_iw_get_scan_times), + AT76_SET_PRIV(AT76_SET_SCAN_MODE, at76_iw_set_scan_mode), + AT76_SET_PRIV(AT76_GET_SCAN_MODE, at76_iw_get_scan_mode), +}; + +/* Names and arguments of private wireless handlers */ +static const struct iw_priv_args at76_priv_args[] = { + /* 0 - long, 1 - short */ + {AT76_SET_SHORT_PREAMBLE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"}, + + {AT76_GET_SHORT_PREAMBLE, + 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_preamble"}, + + /* we must pass the new debug mask as a string, because iwpriv cannot + * parse hex numbers starting with 0x :-( */ + {AT76_SET_DEBUG, + IW_PRIV_TYPE_CHAR | 10, 0, "set_debug"}, + + {AT76_GET_DEBUG, + 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_debug"}, + + /* 1 - active, 2 - power save, 3 - smart power save */ + {AT76_SET_POWERSAVE_MODE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_powersave"}, + + {AT76_GET_POWERSAVE_MODE, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_powersave"}, + + /* min_channel_time, max_channel_time */ + {AT76_SET_SCAN_TIMES, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_scan_times"}, + + {AT76_GET_SCAN_TIMES, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, "get_scan_times"}, + + /* 0 - active, 1 - passive scan */ + {AT76_SET_SCAN_MODE, + IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_scan_mode"}, + + {AT76_GET_SCAN_MODE, + 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_scan_mode"}, +}; + +static const struct iw_handler_def at76_handler_def = { + .num_standard = ARRAY_SIZE(at76_handlers), + .num_private = ARRAY_SIZE(at76_priv_handlers), + .num_private_args = ARRAY_SIZE(at76_priv_args), + .standard = at76_handlers, + .private = at76_priv_handlers, + .private_args = at76_priv_args, + .get_wireless_stats = at76_get_wireless_stats, +}; + +static const u8 snapsig[] = { 0xaa, 0xaa, 0x03 }; + +/* RFC 1042 encapsulates Ethernet frames in 802.2 SNAP (0xaa, 0xaa, 0x03) with + * a SNAP OID of 0 (0x00, 0x00, 0x00) */ +static const u8 rfc1042sig[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; + +static int at76_tx(struct sk_buff *skb, struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + struct net_device_stats *stats = &priv->stats; + int ret = 0; + int wlen; + int submit_len; + struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer; + struct ieee80211_hdr_3addr *i802_11_hdr = + (struct ieee80211_hdr_3addr *)tx_buffer->packet; + u8 *payload = i802_11_hdr->payload; + struct ethhdr *eh = (struct ethhdr *)skb->data; + + if (netif_queue_stopped(netdev)) { + printk(KERN_ERR "%s: %s called while netdev is stopped\n", + netdev->name, __func__); + /* skip this packet */ + dev_kfree_skb(skb); + return 0; + } + + if (priv->tx_urb->status == -EINPROGRESS) { + printk(KERN_ERR "%s: %s called while tx urb is pending\n", + netdev->name, __func__); + /* skip this packet */ + dev_kfree_skb(skb); + return 0; + } + + if (skb->len < ETH_HLEN) { + printk(KERN_ERR "%s: %s: skb too short (%d)\n", + netdev->name, __func__, skb->len); + dev_kfree_skb(skb); + return 0; + } + + at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */ + + /* we can get rid of memcpy if we set netdev->hard_header_len to + reserve enough space, but we would need to keep the skb around */ + + if (ntohs(eh->h_proto) <= ETH_DATA_LEN) { + /* this is a 802.3 packet */ + if (skb->len >= ETH_HLEN + sizeof(rfc1042sig) + && skb->data[ETH_HLEN] == rfc1042sig[0] + && skb->data[ETH_HLEN + 1] == rfc1042sig[1]) { + /* higher layer delivered SNAP header - keep it */ + memcpy(payload, skb->data + ETH_HLEN, + skb->len - ETH_HLEN); + wlen = IEEE80211_3ADDR_LEN + skb->len - ETH_HLEN; + } else { + printk(KERN_ERR "%s: dropping non-SNAP 802.2 packet " + "(DSAP 0x%02x SSAP 0x%02x cntrl 0x%02x)\n", + priv->netdev->name, skb->data[ETH_HLEN], + skb->data[ETH_HLEN + 1], + skb->data[ETH_HLEN + 2]); + dev_kfree_skb(skb); + return 0; + } + } else { + /* add RFC 1042 header in front */ + memcpy(payload, rfc1042sig, sizeof(rfc1042sig)); + memcpy(payload + sizeof(rfc1042sig), &eh->h_proto, + skb->len - offsetof(struct ethhdr, h_proto)); + wlen = IEEE80211_3ADDR_LEN + sizeof(rfc1042sig) + skb->len - + offsetof(struct ethhdr, h_proto); + } + + /* make wireless header */ + i802_11_hdr->frame_ctl = + cpu_to_le16(IEEE80211_FTYPE_DATA | + (priv->wep_enabled ? IEEE80211_FCTL_PROTECTED : 0) | + (priv->iw_mode == + IW_MODE_INFRA ? IEEE80211_FCTL_TODS : 0)); + + if (priv->iw_mode == IW_MODE_ADHOC) { + memcpy(i802_11_hdr->addr1, eh->h_dest, ETH_ALEN); + memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN); + memcpy(i802_11_hdr->addr3, priv->bssid, ETH_ALEN); + } else if (priv->iw_mode == IW_MODE_INFRA) { + memcpy(i802_11_hdr->addr1, priv->bssid, ETH_ALEN); + memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN); + memcpy(i802_11_hdr->addr3, eh->h_dest, ETH_ALEN); + } + + i802_11_hdr->duration_id = cpu_to_le16(0); + i802_11_hdr->seq_ctl = cpu_to_le16(0); + + /* setup 'Atmel' header */ + tx_buffer->wlength = cpu_to_le16(wlen); + tx_buffer->tx_rate = priv->txrate; + /* for broadcast destination addresses, the firmware 0.100.x + seems to choose the highest rate set with CMD_STARTUP in + basic_rate_set replacing this value */ + + memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved)); + + tx_buffer->padding = at76_calc_padding(wlen); + submit_len = wlen + AT76_TX_HDRLEN + tx_buffer->padding; + + at76_dbg(DBG_TX_DATA_CONTENT, "%s skb->data %s", priv->netdev->name, + hex2str(skb->data, 32)); + at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr %s", + priv->netdev->name, + le16_to_cpu(tx_buffer->wlength), + tx_buffer->padding, tx_buffer->tx_rate, + hex2str(i802_11_hdr, sizeof(*i802_11_hdr))); + at76_dbg(DBG_TX_DATA_CONTENT, "%s payload %s", priv->netdev->name, + hex2str(payload, 48)); + + /* send stuff */ + netif_stop_queue(netdev); + netdev->trans_start = jiffies; + + usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer, + submit_len, at76_tx_callback, priv); + ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC); + if (ret) { + stats->tx_errors++; + printk(KERN_ERR "%s: error in tx submit urb: %d\n", + netdev->name, ret); + if (ret == -EINVAL) + printk(KERN_ERR + "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n", + priv->netdev->name, priv->tx_urb, + priv->tx_urb->hcpriv, priv->tx_urb->complete); + } else { + stats->tx_bytes += skb->len; + dev_kfree_skb(skb); + } + + return ret; +} + +static void at76_tx_timeout(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + + if (!priv) + return; + dev_warn(&netdev->dev, "tx timeout."); + + usb_unlink_urb(priv->tx_urb); + priv->stats.tx_errors++; +} + +static int at76_submit_rx_urb(struct at76_priv *priv) +{ + int ret; + int size; + struct sk_buff *skb = priv->rx_skb; + + if (!priv->rx_urb) { + printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n", + priv->netdev->name, __func__); + return -EFAULT; + } + + if (!skb) { + skb = dev_alloc_skb(sizeof(struct at76_rx_buffer)); + if (!skb) { + printk(KERN_ERR "%s: cannot allocate rx skbuff\n", + priv->netdev->name); + ret = -ENOMEM; + goto exit; + } + priv->rx_skb = skb; + } else { + skb_push(skb, skb_headroom(skb)); + skb_trim(skb, 0); + } + + size = skb_tailroom(skb); + usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, + skb_put(skb, size), size, at76_rx_callback, priv); + ret = usb_submit_urb(priv->rx_urb, GFP_ATOMIC); + if (ret < 0) { + if (ret == -ENODEV) + at76_dbg(DBG_DEVSTART, + "usb_submit_urb returned -ENODEV"); + else + printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n", + priv->netdev->name, ret); + } + +exit: + if (ret < 0 && ret != -ENODEV) + printk(KERN_ERR "%s: cannot submit rx urb - please unload the " + "driver and/or power cycle the device\n", + priv->netdev->name); + + return ret; +} + +static int at76_open(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + int ret = 0; + + at76_dbg(DBG_PROC_ENTRY, "%s(): entry", __func__); + + if (mutex_lock_interruptible(&priv->mtx)) + return -EINTR; + + /* if netdev->dev_addr != priv->mac_addr we must + set the mac address in the device ! */ + if (compare_ether_addr(netdev->dev_addr, priv->mac_addr)) { + if (at76_add_mac_address(priv, netdev->dev_addr) >= 0) + at76_dbg(DBG_PROGRESS, "%s: set new MAC addr %s", + netdev->name, mac2str(netdev->dev_addr)); + } + + priv->scan_state = SCAN_IDLE; + priv->last_scan = jiffies; + + ret = at76_submit_rx_urb(priv); + if (ret < 0) { + printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n", + netdev->name, ret); + goto error; + } + + schedule_delayed_work(&priv->dwork_restart, 0); + + at76_dbg(DBG_PROC_ENTRY, "%s(): end", __func__); +error: + mutex_unlock(&priv->mtx); + return ret < 0 ? ret : 0; +} + +static int at76_stop(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + + at76_dbg(DBG_DEVSTART, "%s: ENTER", __func__); + + if (mutex_lock_interruptible(&priv->mtx)) + return -EINTR; + + at76_quiesce(priv); + + if (!priv->device_unplugged) { + /* We are called by "ifconfig ethX down", not because the + * device is not available anymore. */ + at76_set_radio(priv, 0); + + /* We unlink rx_urb because at76_open() re-submits it. + * If unplugged, at76_delete_device() takes care of it. */ + usb_kill_urb(priv->rx_urb); + } + + /* free the bss_list */ + at76_free_bss_list(priv); + + mutex_unlock(&priv->mtx); + at76_dbg(DBG_DEVSTART, "%s: EXIT", __func__); + + return 0; +} + +static void at76_ethtool_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *info) +{ + struct at76_priv *priv = netdev_priv(netdev); + + strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); + strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); + + usb_make_path(priv->udev, info->bus_info, sizeof(info->bus_info)); + + snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d.%d-%d", + priv->fw_version.major, priv->fw_version.minor, + priv->fw_version.patch, priv->fw_version.build); +} + +static u32 at76_ethtool_get_link(struct net_device *netdev) +{ + struct at76_priv *priv = netdev_priv(netdev); + return priv->mac_state == MAC_CONNECTED; +} + +static struct ethtool_ops at76_ethtool_ops = { + .get_drvinfo = at76_ethtool_get_drvinfo, + .get_link = at76_ethtool_get_link, +}; + +/* Download external firmware */ +static int at76_load_external_fw(struct usb_device *udev, struct fwentry *fwe) +{ + int ret; + int op_mode; + int blockno = 0; + int bsize; + u8 *block; + u8 *buf = fwe->extfw; + int size = fwe->extfw_size; + + if (!buf || !size) + return -ENOENT; + + op_mode = at76_get_op_mode(udev); + at76_dbg(DBG_DEVSTART, "opmode %d", op_mode); + + if (op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) { + dev_printk(KERN_ERR, &udev->dev, "unexpected opmode %d\n", + op_mode); + return -EINVAL; + } + + block = kmalloc(FW_BLOCK_SIZE, GFP_KERNEL); + if (!block) + return -ENOMEM; + + at76_dbg(DBG_DEVSTART, "downloading external firmware"); + + /* for fw >= 0.100, the device needs an extra empty block */ + do { + bsize = min_t(int, size, FW_BLOCK_SIZE); + memcpy(block, buf, bsize); + at76_dbg(DBG_DEVSTART, + "ext fw, size left = %5d, bsize = %4d, blockno = %2d", + size, bsize, blockno); + ret = at76_load_ext_fw_block(udev, blockno, block, bsize); + if (ret != bsize) { + dev_printk(KERN_ERR, &udev->dev, + "loading %dth firmware block failed: %d\n", + blockno, ret); + goto exit; + } + buf += bsize; + size -= bsize; + blockno++; + } while (bsize > 0); + + if (at76_is_505a(fwe->board_type)) { + at76_dbg(DBG_DEVSTART, "200 ms delay for 505a"); + schedule_timeout_interruptible(HZ / 5 + 1); + } + +exit: + kfree(block); + if (ret < 0) + dev_printk(KERN_ERR, &udev->dev, + "downloading external firmware failed: %d\n", ret); + return ret; +} + +/* Download internal firmware */ +static int at76_load_internal_fw(struct usb_device *udev, struct fwentry *fwe) +{ + int ret; + int need_remap = !at76_is_505a(fwe->board_type); + + ret = at76_usbdfu_download(udev, fwe->intfw, fwe->intfw_size, + need_remap ? 0 : 2 * HZ); + + if (ret < 0) { + dev_printk(KERN_ERR, &udev->dev, + "downloading internal fw failed with %d\n", ret); + goto exit; + } + + at76_dbg(DBG_DEVSTART, "sending REMAP"); + + /* no REMAP for 505A (see SF driver) */ + if (need_remap) { + ret = at76_remap(udev); + if (ret < 0) { + dev_printk(KERN_ERR, &udev->dev, + "sending REMAP failed with %d\n", ret); + goto exit; + } + } + + at76_dbg(DBG_DEVSTART, "sleeping for 2 seconds"); + schedule_timeout_interruptible(2 * HZ + 1); + usb_reset_device(udev); + +exit: + return ret; +} + +static int at76_match_essid(struct at76_priv *priv, struct bss_info *ptr) +{ + /* common criteria for both modi */ + + int ret = (priv->essid_size == 0 /* ANY ssid */ || + (priv->essid_size == ptr->ssid_len && + !memcmp(priv->essid, ptr->ssid, ptr->ssid_len))); + if (!ret) + at76_dbg(DBG_BSS_MATCH, + "%s bss table entry %p: essid didn't match", + priv->netdev->name, ptr); + return ret; +} + +static inline int at76_match_mode(struct at76_priv *priv, struct bss_info *ptr) +{ + int ret; + + if (priv->iw_mode == IW_MODE_ADHOC) + ret = ptr->capa & WLAN_CAPABILITY_IBSS; + else + ret = ptr->capa & WLAN_CAPABILITY_ESS; + if (!ret) + at76_dbg(DBG_BSS_MATCH, + "%s bss table entry %p: mode didn't match", + priv->netdev->name, ptr); + return ret; +} + +static int at76_match_rates(struct at76_priv *priv, struct bss_info *ptr) +{ + int i; + + for (i = 0; i < ptr->rates_len; i++) { + u8 rate = ptr->rates[i]; + + if (!(rate & 0x80)) + continue; + + /* this is a basic rate we have to support + (see IEEE802.11, ch. 7.3.2.2) */ + if (rate != (0x80 | hw_rates[0]) + && rate != (0x80 | hw_rates[1]) + && rate != (0x80 | hw_rates[2]) + && rate != (0x80 | hw_rates[3])) { + at76_dbg(DBG_BSS_MATCH, + "%s: bss table entry %p: basic rate %02x not " + "supported", priv->netdev->name, ptr, rate); + return 0; + } + } + + /* if we use short preamble, the bss must support it */ + if (priv->preamble_type == PREAMBLE_TYPE_SHORT && + !(ptr->capa & WLAN_CAPABILITY_SHORT_PREAMBLE)) { + at76_dbg(DBG_BSS_MATCH, + "%s: %p does not support short preamble", + priv->netdev->name, ptr); + return 0; + } else + return 1; +} + +static inline int at76_match_wep(struct at76_priv *priv, struct bss_info *ptr) +{ + if (!priv->wep_enabled && ptr->capa & WLAN_CAPABILITY_PRIVACY) { + /* we have disabled WEP, but the BSS signals privacy */ + at76_dbg(DBG_BSS_MATCH, + "%s: bss table entry %p: requires encryption", + priv->netdev->name, ptr); + return 0; + } + /* otherwise if the BSS does not signal privacy it may well + accept encrypted packets from us ... */ + return 1; +} + +static inline int at76_match_bssid(struct at76_priv *priv, struct bss_info *ptr) +{ + if (!priv->wanted_bssid_valid || + !compare_ether_addr(ptr->bssid, priv->wanted_bssid)) + return 1; + + at76_dbg(DBG_BSS_MATCH, + "%s: requested bssid - %s does not match", + priv->netdev->name, mac2str(priv->wanted_bssid)); + at76_dbg(DBG_BSS_MATCH, + " AP bssid - %s of bss table entry %p", + mac2str(ptr->bssid), ptr); + return 0; +} + +/** + * at76_match_bss - try to find a matching bss in priv->bss + * + * last - last bss tried + * + * last == NULL signals a new round starting with priv->bss_list.next + * this function must be called inside an acquired priv->bss_list_spinlock + * otherwise the timeout on bss may remove the newly chosen entry + */ +static struct bss_info *at76_match_bss(struct at76_priv *priv, + struct bss_info *last) +{ + struct bss_info *ptr = NULL; + struct list_head *curr; + + curr = last ? last->list.next : priv->bss_list.next; + while (curr != &priv->bss_list) { + ptr = list_entry(curr, struct bss_info, list); + if (at76_match_essid(priv, ptr) && at76_match_mode(priv, ptr) + && at76_match_wep(priv, ptr) && at76_match_rates(priv, ptr) + && at76_match_bssid(priv, ptr)) + break; + curr = curr->next; + } + + if (curr == &priv->bss_list) + ptr = NULL; + /* otherwise ptr points to the struct bss_info we have chosen */ + + at76_dbg(DBG_BSS_TABLE, "%s %s: returned %p", priv->netdev->name, + __func__, ptr); + return ptr; +} + +/* Start joining a matching BSS, or create own IBSS */ +static void at76_work_join(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_join); + int ret; + unsigned long flags; + + mutex_lock(&priv->mtx); + + WARN_ON(priv->mac_state != MAC_JOINING); + if (priv->mac_state != MAC_JOINING) + goto exit; + + /* secure the access to priv->curr_bss ! */ + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + priv->curr_bss = at76_match_bss(priv, priv->curr_bss); + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); + + if (!priv->curr_bss) { + /* here we haven't found a matching (i)bss ... */ + if (priv->iw_mode == IW_MODE_ADHOC) { + at76_set_mac_state(priv, MAC_OWN_IBSS); + at76_start_ibss(priv); + goto exit; + } + /* haven't found a matching BSS in infra mode - try again */ + at76_set_mac_state(priv, MAC_SCANNING); + schedule_work(&priv->work_start_scan); + goto exit; + } + + ret = at76_join_bss(priv, priv->curr_bss); + if (ret < 0) { + printk(KERN_ERR "%s: join_bss failed with %d\n", + priv->netdev->name, ret); + goto exit; + } + + ret = at76_wait_completion(priv, CMD_JOIN); + if (ret != CMD_STATUS_COMPLETE) { + if (ret != CMD_STATUS_TIME_OUT) + printk(KERN_ERR "%s: join_bss completed with %d\n", + priv->netdev->name, ret); + else + printk(KERN_INFO "%s: join_bss ssid %s timed out\n", + priv->netdev->name, + mac2str(priv->curr_bss->bssid)); + + /* retry next BSS immediately */ + schedule_work(&priv->work_join); + goto exit; + } + + /* here we have joined the (I)BSS */ + if (priv->iw_mode == IW_MODE_ADHOC) { + struct bss_info *bptr = priv->curr_bss; + at76_set_mac_state(priv, MAC_CONNECTED); + /* get ESSID, BSSID and channel for priv->curr_bss */ + priv->essid_size = bptr->ssid_len; + memcpy(priv->essid, bptr->ssid, bptr->ssid_len); + memcpy(priv->bssid, bptr->bssid, ETH_ALEN); + priv->channel = bptr->channel; + at76_iwevent_bss_connect(priv->netdev, bptr->bssid); + netif_carrier_on(priv->netdev); + netif_start_queue(priv->netdev); + /* just to be sure */ + cancel_delayed_work(&priv->dwork_get_scan); + cancel_delayed_work(&priv->dwork_auth); + cancel_delayed_work(&priv->dwork_assoc); + } else { + /* send auth req */ + priv->retries = AUTH_RETRIES; + at76_set_mac_state(priv, MAC_AUTH); + at76_auth_req(priv, priv->curr_bss, 1, NULL); + at76_dbg(DBG_MGMT_TIMER, + "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__); + schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT); + } + +exit: + mutex_unlock(&priv->mtx); +} + +/* Reap scan results */ +static void at76_dwork_get_scan(struct work_struct *work) +{ + int status; + int ret; + struct at76_priv *priv = container_of(work, struct at76_priv, + dwork_get_scan.work); + + mutex_lock(&priv->mtx); + WARN_ON(priv->mac_state != MAC_SCANNING); + if (priv->mac_state != MAC_SCANNING) + goto exit; + + status = at76_get_cmd_status(priv->udev, CMD_SCAN); + if (status < 0) { + printk(KERN_ERR "%s: %s: at76_get_cmd_status failed with %d\n", + priv->netdev->name, __func__, status); + status = CMD_STATUS_IN_PROGRESS; + /* INFO: Hope it was a one off error - if not, scanning + further down the line and stop this cycle */ + } + at76_dbg(DBG_PROGRESS, + "%s %s: got cmd_status %d (state %s, need_any %d)", + priv->netdev->name, __func__, status, + mac_states[priv->mac_state], priv->scan_need_any); + + if (status != CMD_STATUS_COMPLETE) { + if ((status != CMD_STATUS_IN_PROGRESS) && + (status != CMD_STATUS_IDLE)) + printk(KERN_ERR "%s: %s: Bad scan status: %s\n", + priv->netdev->name, __func__, + at76_get_cmd_status_string(status)); + + /* the first cmd status after scan start is always a IDLE -> + start the timer to poll again until COMPLETED */ + at76_dbg(DBG_MGMT_TIMER, + "%s:%d: starting mgmt_timer for %d ticks", + __func__, __LINE__, SCAN_POLL_INTERVAL); + schedule_delayed_work(&priv->dwork_get_scan, + SCAN_POLL_INTERVAL); + goto exit; + } + + if (at76_debug & DBG_BSS_TABLE) + at76_dump_bss_table(priv); + + if (priv->scan_need_any) { + ret = at76_start_scan(priv, 0); + if (ret < 0) + printk(KERN_ERR + "%s: %s: start_scan (ANY) failed with %d\n", + priv->netdev->name, __func__, ret); + at76_dbg(DBG_MGMT_TIMER, + "%s:%d: starting mgmt_timer for %d ticks", __func__, + __LINE__, SCAN_POLL_INTERVAL); + schedule_delayed_work(&priv->dwork_get_scan, + SCAN_POLL_INTERVAL); + priv->scan_need_any = 0; + } else { + priv->scan_state = SCAN_COMPLETED; + /* report the end of scan to user space */ + at76_iwevent_scan_complete(priv->netdev); + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + } + +exit: + mutex_unlock(&priv->mtx); +} + +/* Handle loss of beacons from the AP */ +static void at76_dwork_beacon(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + dwork_beacon.work); + + mutex_lock(&priv->mtx); + if (priv->mac_state != MAC_CONNECTED || priv->iw_mode != IW_MODE_INFRA) + goto exit; + + /* We haven't received any beacons from out AP for BEACON_TIMEOUT */ + printk(KERN_INFO "%s: lost beacon bssid %s\n", + priv->netdev->name, mac2str(priv->curr_bss->bssid)); + + netif_carrier_off(priv->netdev); + netif_stop_queue(priv->netdev); + at76_iwevent_bss_disconnect(priv->netdev); + at76_set_mac_state(priv, MAC_SCANNING); + schedule_work(&priv->work_start_scan); + +exit: + mutex_unlock(&priv->mtx); +} + +/* Handle authentication response timeout */ +static void at76_dwork_auth(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + dwork_auth.work); + + mutex_lock(&priv->mtx); + WARN_ON(priv->mac_state != MAC_AUTH); + if (priv->mac_state != MAC_AUTH) + goto exit; + + at76_dbg(DBG_PROGRESS, "%s: authentication response timeout", + priv->netdev->name); + + if (priv->retries-- >= 0) { + at76_auth_req(priv, priv->curr_bss, 1, NULL); + at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", + __func__, __LINE__); + schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT); + } else { + /* try to get next matching BSS */ + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + } + +exit: + mutex_unlock(&priv->mtx); +} + +/* Handle association response timeout */ +static void at76_dwork_assoc(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + dwork_assoc.work); + + mutex_lock(&priv->mtx); + WARN_ON(priv->mac_state != MAC_ASSOC); + if (priv->mac_state != MAC_ASSOC) + goto exit; + + at76_dbg(DBG_PROGRESS, "%s: association response timeout", + priv->netdev->name); + + if (priv->retries-- >= 0) { + at76_assoc_req(priv, priv->curr_bss); + at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", + __func__, __LINE__); + schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT); + } else { + /* try to get next matching BSS */ + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + } + +exit: + mutex_unlock(&priv->mtx); +} + +/* Read new bssid in ad-hoc mode */ +static void at76_work_new_bss(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_new_bss); + int ret; + struct mib_mac_mgmt mac_mgmt; + + mutex_lock(&priv->mtx); + + ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, &mac_mgmt, + sizeof(struct mib_mac_mgmt)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_get_mib failed: %d\n", + priv->netdev->name, ret); + goto exit; + } + + at76_dbg(DBG_PROGRESS, "ibss_change = 0x%2x", mac_mgmt.ibss_change); + memcpy(priv->bssid, mac_mgmt.current_bssid, ETH_ALEN); + at76_dbg(DBG_PROGRESS, "using BSSID %s", mac2str(priv->bssid)); + + at76_iwevent_bss_connect(priv->netdev, priv->bssid); + + priv->mib_buf.type = MIB_MAC_MGMT; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change); + priv->mib_buf.data.byte = 0; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n", + priv->netdev->name, ret); + +exit: + mutex_unlock(&priv->mtx); +} + +static int at76_startup_device(struct at76_priv *priv) +{ + struct at76_card_config *ccfg = &priv->card_config; + int ret; + + at76_dbg(DBG_PARAMS, + "%s param: ssid %.*s (%s) mode %s ch %d wep %s key %d " + "keylen %d", priv->netdev->name, priv->essid_size, priv->essid, + hex2str(priv->essid, IW_ESSID_MAX_SIZE), + priv->iw_mode == IW_MODE_ADHOC ? "adhoc" : "infra", + priv->channel, priv->wep_enabled ? "enabled" : "disabled", + priv->wep_key_id, priv->wep_keys_len[priv->wep_key_id]); + at76_dbg(DBG_PARAMS, + "%s param: preamble %s rts %d retry %d frag %d " + "txrate %s auth_mode %d", priv->netdev->name, + preambles[priv->preamble_type], priv->rts_threshold, + priv->short_retry_limit, priv->frag_threshold, + priv->txrate == TX_RATE_1MBIT ? "1MBit" : priv->txrate == + TX_RATE_2MBIT ? "2MBit" : priv->txrate == + TX_RATE_5_5MBIT ? "5.5MBit" : priv->txrate == + TX_RATE_11MBIT ? "11MBit" : priv->txrate == + TX_RATE_AUTO ? "auto" : "", priv->auth_mode); + at76_dbg(DBG_PARAMS, + "%s param: pm_mode %d pm_period %d auth_mode %s " + "scan_times %d %d scan_mode %s", + priv->netdev->name, priv->pm_mode, priv->pm_period, + priv->auth_mode == WLAN_AUTH_OPEN ? "open" : "shared_secret", + priv->scan_min_time, priv->scan_max_time, + priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive"); + + memset(ccfg, 0, sizeof(struct at76_card_config)); + ccfg->promiscuous_mode = 0; + ccfg->short_retry_limit = priv->short_retry_limit; + + if (priv->wep_enabled) { + if (priv->wep_keys_len[priv->wep_key_id] > WEP_SMALL_KEY_LEN) + ccfg->encryption_type = 2; + else + ccfg->encryption_type = 1; + + /* jal: always exclude unencrypted if WEP is active */ + ccfg->exclude_unencrypted = 1; + } else { + ccfg->exclude_unencrypted = 0; + ccfg->encryption_type = 0; + } + + ccfg->rts_threshold = cpu_to_le16(priv->rts_threshold); + ccfg->fragmentation_threshold = cpu_to_le16(priv->frag_threshold); + + memcpy(ccfg->basic_rate_set, hw_rates, 4); + /* jal: really needed, we do a set_mib for autorate later ??? */ + ccfg->auto_rate_fallback = (priv->txrate == TX_RATE_AUTO ? 1 : 0); + ccfg->channel = priv->channel; + ccfg->privacy_invoked = priv->wep_enabled; + memcpy(ccfg->current_ssid, priv->essid, IW_ESSID_MAX_SIZE); + ccfg->ssid_len = priv->essid_size; + + ccfg->wep_default_key_id = priv->wep_key_id; + memcpy(ccfg->wep_default_key_value, priv->wep_keys, 4 * WEP_KEY_LEN); + + ccfg->short_preamble = priv->preamble_type; + ccfg->beacon_period = cpu_to_le16(priv->beacon_period); + + ret = at76_set_card_command(priv->udev, CMD_STARTUP, &priv->card_config, + sizeof(struct at76_card_config)); + if (ret < 0) { + printk(KERN_ERR "%s: at76_set_card_command failed: %d\n", + priv->netdev->name, ret); + return ret; + } + + at76_wait_completion(priv, CMD_STARTUP); + + /* remove BSSID from previous run */ + memset(priv->bssid, 0, ETH_ALEN); + + if (at76_set_radio(priv, 1) == 1) + at76_wait_completion(priv, CMD_RADIO_ON); + + ret = at76_set_preamble(priv, priv->preamble_type); + if (ret < 0) + return ret; + + ret = at76_set_frag(priv, priv->frag_threshold); + if (ret < 0) + return ret; + + ret = at76_set_rts(priv, priv->rts_threshold); + if (ret < 0) + return ret; + + ret = at76_set_autorate_fallback(priv, + priv->txrate == TX_RATE_AUTO ? 1 : 0); + if (ret < 0) + return ret; + + ret = at76_set_pm_mode(priv); + if (ret < 0) + return ret; + + if (at76_debug & DBG_MIB) { + at76_dump_mib_mac(priv); + at76_dump_mib_mac_addr(priv); + at76_dump_mib_mac_mgmt(priv); + at76_dump_mib_mac_wep(priv); + at76_dump_mib_mdomain(priv); + at76_dump_mib_phy(priv); + at76_dump_mib_local(priv); + } + + return 0; +} + +/* Restart the interface */ +static void at76_dwork_restart(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + dwork_restart.work); + + mutex_lock(&priv->mtx); + + netif_carrier_off(priv->netdev); /* stop netdev watchdog */ + netif_stop_queue(priv->netdev); /* stop tx data packets */ + + at76_startup_device(priv); + + if (priv->iw_mode != IW_MODE_MONITOR) { + priv->netdev->type = ARPHRD_ETHER; + at76_set_mac_state(priv, MAC_SCANNING); + schedule_work(&priv->work_start_scan); + } else { + priv->netdev->type = ARPHRD_IEEE80211_RADIOTAP; + at76_start_monitor(priv); + } + + mutex_unlock(&priv->mtx); +} + +/* Initiate scanning */ +static void at76_work_start_scan(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_start_scan); + int ret; + + mutex_lock(&priv->mtx); + + WARN_ON(priv->mac_state != MAC_SCANNING); + if (priv->mac_state != MAC_SCANNING) + goto exit; + + /* only clear the bss list when a scan is actively initiated, + * otherwise simply rely on at76_bss_list_timeout */ + if (priv->scan_state == SCAN_IN_PROGRESS) { + at76_free_bss_list(priv); + priv->scan_need_any = 1; + } else + priv->scan_need_any = 0; + + ret = at76_start_scan(priv, 1); + + if (ret < 0) + printk(KERN_ERR "%s: %s: start_scan failed with %d\n", + priv->netdev->name, __func__, ret); + else { + at76_dbg(DBG_MGMT_TIMER, + "%s:%d: starting mgmt_timer for %d ticks", + __func__, __LINE__, SCAN_POLL_INTERVAL); + schedule_delayed_work(&priv->dwork_get_scan, + SCAN_POLL_INTERVAL); + } + +exit: + mutex_unlock(&priv->mtx); +} + +/* Enable or disable promiscuous mode */ +static void at76_work_set_promisc(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_set_promisc); + int ret = 0; + + mutex_lock(&priv->mtx); + + priv->mib_buf.type = MIB_LOCAL; + priv->mib_buf.size = 1; + priv->mib_buf.index = offsetof(struct mib_local, promiscuous_mode); + priv->mib_buf.data.byte = priv->promisc ? 1 : 0; + + ret = at76_set_mib(priv, &priv->mib_buf); + if (ret < 0) + printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n", + priv->netdev->name, ret); + + mutex_unlock(&priv->mtx); +} + +/* Submit Rx urb back to the device */ +static void at76_work_submit_rx(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_submit_rx); + + mutex_lock(&priv->mtx); + at76_submit_rx_urb(priv); + mutex_unlock(&priv->mtx); +} + +/* We got an association response */ +static void at76_rx_mgmt_assoc(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct ieee80211_assoc_response *resp = + (struct ieee80211_assoc_response *)buf->packet; + u16 assoc_id = le16_to_cpu(resp->aid); + u16 status = le16_to_cpu(resp->status); + + at76_dbg(DBG_RX_MGMT, "%s: rx AssocResp bssid %s capa 0x%04x status " + "0x%04x assoc_id 0x%04x rates %s", priv->netdev->name, + mac2str(resp->header.addr3), le16_to_cpu(resp->capability), + status, assoc_id, hex2str(resp->info_element->data, + resp->info_element->len)); + + if (priv->mac_state != MAC_ASSOC) { + printk(KERN_INFO "%s: AssocResp in state %s ignored\n", + priv->netdev->name, mac_states[priv->mac_state]); + return; + } + + BUG_ON(!priv->curr_bss); + + cancel_delayed_work(&priv->dwork_assoc); + if (status == WLAN_STATUS_SUCCESS) { + struct bss_info *ptr = priv->curr_bss; + priv->assoc_id = assoc_id & 0x3fff; + /* update iwconfig params */ + memcpy(priv->bssid, ptr->bssid, ETH_ALEN); + memcpy(priv->essid, ptr->ssid, ptr->ssid_len); + priv->essid_size = ptr->ssid_len; + priv->channel = ptr->channel; + schedule_work(&priv->work_assoc_done); + } else { + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + } +} + +/* Process disassociation request from the AP */ +static void at76_rx_mgmt_disassoc(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct ieee80211_disassoc *resp = + (struct ieee80211_disassoc *)buf->packet; + struct ieee80211_hdr_3addr *mgmt = &resp->header; + + at76_dbg(DBG_RX_MGMT, + "%s: rx DisAssoc bssid %s reason 0x%04x destination %s", + priv->netdev->name, mac2str(mgmt->addr3), + le16_to_cpu(resp->reason), mac2str(mgmt->addr1)); + + /* We are not connected, ignore */ + if (priv->mac_state == MAC_SCANNING || priv->mac_state == MAC_INIT + || !priv->curr_bss) + return; + + /* Not our BSSID, ignore */ + if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid)) + return; + + /* Not for our STA and not broadcast, ignore */ + if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1) + && !is_broadcast_ether_addr(mgmt->addr1)) + return; + + if (priv->mac_state != MAC_ASSOC && priv->mac_state != MAC_CONNECTED + && priv->mac_state != MAC_JOINING) { + printk(KERN_INFO "%s: DisAssoc in state %s ignored\n", + priv->netdev->name, mac_states[priv->mac_state]); + return; + } + + if (priv->mac_state == MAC_CONNECTED) { + netif_carrier_off(priv->netdev); + netif_stop_queue(priv->netdev); + at76_iwevent_bss_disconnect(priv->netdev); + } + cancel_delayed_work(&priv->dwork_get_scan); + cancel_delayed_work(&priv->dwork_beacon); + cancel_delayed_work(&priv->dwork_auth); + cancel_delayed_work(&priv->dwork_assoc); + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); +} + +static void at76_rx_mgmt_auth(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct ieee80211_auth *resp = (struct ieee80211_auth *)buf->packet; + struct ieee80211_hdr_3addr *mgmt = &resp->header; + int seq_nr = le16_to_cpu(resp->transaction); + int alg = le16_to_cpu(resp->algorithm); + int status = le16_to_cpu(resp->status); + + at76_dbg(DBG_RX_MGMT, + "%s: rx AuthFrame bssid %s alg %d seq_nr %d status %d " + "destination %s", priv->netdev->name, mac2str(mgmt->addr3), + alg, seq_nr, status, mac2str(mgmt->addr1)); + + if (alg == WLAN_AUTH_SHARED_KEY && seq_nr == 2) + at76_dbg(DBG_RX_MGMT, "%s: AuthFrame challenge %s ...", + priv->netdev->name, hex2str(resp->info_element, 18)); + + if (priv->mac_state != MAC_AUTH) { + printk(KERN_INFO "%s: ignored AuthFrame in state %s\n", + priv->netdev->name, mac_states[priv->mac_state]); + return; + } + if (priv->auth_mode != alg) { + printk(KERN_INFO "%s: ignored AuthFrame for alg %d\n", + priv->netdev->name, alg); + return; + } + + BUG_ON(!priv->curr_bss); + + /* Not our BSSID or not for our STA, ignore */ + if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid) + || compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)) + return; + + cancel_delayed_work(&priv->dwork_auth); + if (status != WLAN_STATUS_SUCCESS) { + /* try to join next bss */ + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + return; + } + + if (priv->auth_mode == WLAN_AUTH_OPEN || seq_nr == 4) { + priv->retries = ASSOC_RETRIES; + at76_set_mac_state(priv, MAC_ASSOC); + at76_assoc_req(priv, priv->curr_bss); + at76_dbg(DBG_MGMT_TIMER, + "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__); + schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT); + return; + } + + WARN_ON(seq_nr != 2); + at76_auth_req(priv, priv->curr_bss, seq_nr + 1, resp->info_element); + at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", __func__, + __LINE__); + schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT); +} + +static void at76_rx_mgmt_deauth(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct ieee80211_disassoc *resp = + (struct ieee80211_disassoc *)buf->packet; + struct ieee80211_hdr_3addr *mgmt = &resp->header; + + at76_dbg(DBG_RX_MGMT | DBG_PROGRESS, + "%s: rx DeAuth bssid %s reason 0x%04x destination %s", + priv->netdev->name, mac2str(mgmt->addr3), + le16_to_cpu(resp->reason), mac2str(mgmt->addr1)); + + if (priv->mac_state != MAC_AUTH && priv->mac_state != MAC_ASSOC + && priv->mac_state != MAC_CONNECTED) { + printk(KERN_INFO "%s: DeAuth in state %s ignored\n", + priv->netdev->name, mac_states[priv->mac_state]); + return; + } + + BUG_ON(!priv->curr_bss); + + /* Not our BSSID, ignore */ + if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid)) + return; + + /* Not for our STA and not broadcast, ignore */ + if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1) + && !is_broadcast_ether_addr(mgmt->addr1)) + return; + + if (priv->mac_state == MAC_CONNECTED) + at76_iwevent_bss_disconnect(priv->netdev); + + at76_set_mac_state(priv, MAC_JOINING); + schedule_work(&priv->work_join); + cancel_delayed_work(&priv->dwork_get_scan); + cancel_delayed_work(&priv->dwork_beacon); + cancel_delayed_work(&priv->dwork_auth); + cancel_delayed_work(&priv->dwork_assoc); +} + +static void at76_rx_mgmt_beacon(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + int varpar_len; + /* beacon content */ + struct ieee80211_beacon *bdata = (struct ieee80211_beacon *)buf->packet; + struct ieee80211_hdr_3addr *mgmt = &bdata->header; + + struct list_head *lptr; + struct bss_info *match; /* entry matching addr3 with its bssid */ + int new_entry = 0; + int len; + struct ieee80211_info_element *ie; + int have_ssid = 0; + int have_rates = 0; + int have_channel = 0; + int keep_going = 1; + unsigned long flags; + + spin_lock_irqsave(&priv->bss_list_spinlock, flags); + if (priv->mac_state == MAC_CONNECTED) { + /* in state MAC_CONNECTED we use the mgmt_timer to control + the beacon of the BSS */ + BUG_ON(!priv->curr_bss); + + if (!compare_ether_addr(priv->curr_bss->bssid, mgmt->addr3)) { + /* We got our AP's beacon, defer the timeout handler. + Kill pending work first, as schedule_delayed_work() + won't do it. */ + cancel_delayed_work(&priv->dwork_beacon); + schedule_delayed_work(&priv->dwork_beacon, + BEACON_TIMEOUT); + priv->curr_bss->rssi = buf->rssi; + priv->beacons_received++; + goto exit; + } + } + + /* look if we have this BSS already in the list */ + match = NULL; + + if (!list_empty(&priv->bss_list)) { + list_for_each(lptr, &priv->bss_list) { + struct bss_info *bss_ptr = + list_entry(lptr, struct bss_info, list); + if (!compare_ether_addr(bss_ptr->bssid, mgmt->addr3)) { + match = bss_ptr; + break; + } + } + } + + if (!match) { + /* BSS not in the list - append it */ + match = kzalloc(sizeof(struct bss_info), GFP_ATOMIC); + if (!match) { + at76_dbg(DBG_BSS_TABLE, + "%s: cannot kmalloc new bss info (%zd byte)", + priv->netdev->name, sizeof(struct bss_info)); + goto exit; + } + new_entry = 1; + list_add_tail(&match->list, &priv->bss_list); + } + + match->capa = le16_to_cpu(bdata->capability); + match->beacon_interval = le16_to_cpu(bdata->beacon_interval); + match->rssi = buf->rssi; + match->link_qual = buf->link_quality; + match->noise_level = buf->noise_level; + memcpy(match->bssid, mgmt->addr3, ETH_ALEN); + at76_dbg(DBG_RX_BEACON, "%s: bssid %s", priv->netdev->name, + mac2str(match->bssid)); + + ie = bdata->info_element; + + /* length of var length beacon parameters */ + varpar_len = min_t(int, le16_to_cpu(buf->wlength) - + sizeof(struct ieee80211_beacon), + BEACON_MAX_DATA_LENGTH); + + /* This routine steps through the bdata->data array to get + * some useful information about the access point. + * Currently, this implementation supports receipt of: SSID, + * supported transfer rates and channel, in any order, with some + * tolerance for intermittent unknown codes (although this + * functionality may not be necessary as the useful information will + * usually arrive in consecutively, but there have been some + * reports of some of the useful information fields arriving in a + * different order). + * It does not support any more IE types although MFIE_TYPE_TIM may + * be supported (on my AP at least). + * The bdata->data array is about 1500 bytes long but only ~36 of those + * bytes are useful, hence the have_ssid etc optimizations. */ + + while (keep_going && + ((&ie->data[ie->len] - (u8 *)bdata->info_element) <= + varpar_len)) { + + switch (ie->id) { + + case MFIE_TYPE_SSID: + if (have_ssid) + break; + + len = min_t(int, IW_ESSID_MAX_SIZE, ie->len); + + /* we copy only if this is a new entry, + or the incoming SSID is not a hidden SSID. This + will protect us from overwriting a real SSID read + in a ProbeResponse with a hidden one from a + following beacon. */ + if (!new_entry && at76_is_hidden_ssid(ie->data, len)) { + have_ssid = 1; + break; + } + + match->ssid_len = len; + memcpy(match->ssid, ie->data, len); + at76_dbg(DBG_RX_BEACON, "%s: SSID - %.*s", + priv->netdev->name, len, match->ssid); + have_ssid = 1; + break; + + case MFIE_TYPE_RATES: + if (have_rates) + break; + + match->rates_len = + min_t(int, sizeof(match->rates), ie->len); + memcpy(match->rates, ie->data, match->rates_len); + have_rates = 1; + at76_dbg(DBG_RX_BEACON, "%s: SUPPORTED RATES %s", + priv->netdev->name, + hex2str(ie->data, ie->len)); + break; + + case MFIE_TYPE_DS_SET: + if (have_channel) + break; + + match->channel = ie->data[0]; + have_channel = 1; + at76_dbg(DBG_RX_BEACON, "%s: CHANNEL - %d", + priv->netdev->name, match->channel); + break; + + case MFIE_TYPE_CF_SET: + case MFIE_TYPE_TIM: + case MFIE_TYPE_IBSS_SET: + default: + at76_dbg(DBG_RX_BEACON, "%s: beacon IE id %d len %d %s", + priv->netdev->name, ie->id, ie->len, + hex2str(ie->data, ie->len)); + break; + } + + /* advance to the next informational element */ + next_ie(&ie); + + /* Optimization: after all, the bdata->data array is + * varpar_len bytes long, whereas we get all of the useful + * information after only ~36 bytes, this saves us a lot of + * time (and trouble as the remaining portion of the array + * could be full of junk) + * Comment this out if you want to see what other information + * comes from the AP - although little of it may be useful */ + } + + at76_dbg(DBG_RX_BEACON, "%s: Finished processing beacon data", + priv->netdev->name); + + match->last_rx = jiffies; /* record last rx of beacon */ + +exit: + spin_unlock_irqrestore(&priv->bss_list_spinlock, flags); +} + +/* Calculate the link level from a given rx_buffer */ +static void at76_calc_level(struct at76_priv *priv, struct at76_rx_buffer *buf, + struct iw_quality *qual) +{ + /* just a guess for now, might be different for other chips */ + int max_rssi = 42; + + qual->level = (buf->rssi * 100 / max_rssi); + if (qual->level > 100) + qual->level = 100; + qual->updated |= IW_QUAL_LEVEL_UPDATED; +} + +/* Calculate the link quality from a given rx_buffer */ +static void at76_calc_qual(struct at76_priv *priv, struct at76_rx_buffer *buf, + struct iw_quality *qual) +{ + if (at76_is_intersil(priv->board_type)) + qual->qual = buf->link_quality; + else { + unsigned long elapsed; + + /* Update qual at most once a second */ + elapsed = jiffies - priv->beacons_last_qual; + if (elapsed < 1 * HZ) + return; + + qual->qual = qual->level * priv->beacons_received * + msecs_to_jiffies(priv->beacon_period) / elapsed; + + priv->beacons_last_qual = jiffies; + priv->beacons_received = 0; + } + qual->qual = (qual->qual > 100) ? 100 : qual->qual; + qual->updated |= IW_QUAL_QUAL_UPDATED; +} + +/* Calculate the noise quality from a given rx_buffer */ +static void at76_calc_noise(struct at76_priv *priv, struct at76_rx_buffer *buf, + struct iw_quality *qual) +{ + qual->noise = 0; + qual->updated |= IW_QUAL_NOISE_INVALID; +} + +static void at76_update_wstats(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct iw_quality *qual = &priv->wstats.qual; + + if (buf->rssi && priv->mac_state == MAC_CONNECTED) { + qual->updated = 0; + at76_calc_level(priv, buf, qual); + at76_calc_qual(priv, buf, qual); + at76_calc_noise(priv, buf, qual); + } else { + qual->qual = 0; + qual->level = 0; + qual->noise = 0; + qual->updated = IW_QUAL_ALL_INVALID; + } +} + +static void at76_rx_mgmt(struct at76_priv *priv, struct at76_rx_buffer *buf) +{ + struct ieee80211_hdr_3addr *mgmt = + (struct ieee80211_hdr_3addr *)buf->packet; + u16 framectl = le16_to_cpu(mgmt->frame_ctl); + + /* update wstats */ + if (priv->mac_state != MAC_INIT && priv->mac_state != MAC_SCANNING) { + /* jal: this is a dirty hack needed by Tim in ad-hoc mode */ + /* Data packets always seem to have a 0 link level, so we + only read link quality info from management packets. + Atmel driver actually averages the present, and previous + values, we just present the raw value at the moment - TJS */ + if (priv->iw_mode == IW_MODE_ADHOC + || (priv->curr_bss + && !compare_ether_addr(mgmt->addr3, + priv->curr_bss->bssid))) + at76_update_wstats(priv, buf); + } + + at76_dbg(DBG_RX_MGMT_CONTENT, "%s rx mgmt framectl 0x%x %s", + priv->netdev->name, framectl, + hex2str(mgmt, le16_to_cpu(buf->wlength))); + + switch (framectl & IEEE80211_FCTL_STYPE) { + case IEEE80211_STYPE_BEACON: + case IEEE80211_STYPE_PROBE_RESP: + at76_rx_mgmt_beacon(priv, buf); + break; + + case IEEE80211_STYPE_ASSOC_RESP: + at76_rx_mgmt_assoc(priv, buf); + break; + + case IEEE80211_STYPE_DISASSOC: + at76_rx_mgmt_disassoc(priv, buf); + break; + + case IEEE80211_STYPE_AUTH: + at76_rx_mgmt_auth(priv, buf); + break; + + case IEEE80211_STYPE_DEAUTH: + at76_rx_mgmt_deauth(priv, buf); + break; + + default: + printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n", + priv->netdev->name, framectl); + } + + return; +} + +/* Convert the 802.11 header into an ethernet-style header, make skb + * ready for consumption by netif_rx() */ +static void at76_ieee80211_to_eth(struct sk_buff *skb, int iw_mode) +{ + struct ieee80211_hdr_3addr *i802_11_hdr; + struct ethhdr *eth_hdr_p; + u8 *src_addr; + u8 *dest_addr; + + i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data; + + /* That would be the ethernet header if the hardware converted + * the frame for us. Make sure the source and the destination + * match the 802.11 header. Which hardware does it? */ + eth_hdr_p = (struct ethhdr *)skb_pull(skb, IEEE80211_3ADDR_LEN); + + dest_addr = i802_11_hdr->addr1; + if (iw_mode == IW_MODE_ADHOC) + src_addr = i802_11_hdr->addr2; + else + src_addr = i802_11_hdr->addr3; + + if (!compare_ether_addr(eth_hdr_p->h_source, src_addr) && + !compare_ether_addr(eth_hdr_p->h_dest, dest_addr)) + /* Yes, we already have an ethernet header */ + skb_reset_mac_header(skb); + else { + u16 len; + + /* Need to build an ethernet header */ + if (!memcmp(skb->data, snapsig, sizeof(snapsig))) { + /* SNAP frame - decapsulate, keep proto */ + skb_push(skb, offsetof(struct ethhdr, h_proto) - + sizeof(rfc1042sig)); + len = 0; + } else { + /* 802.3 frame, proto is length */ + len = skb->len; + skb_push(skb, ETH_HLEN); + } + + skb_reset_mac_header(skb); + eth_hdr_p = eth_hdr(skb); + /* This needs to be done in this order (eth_hdr_p->h_dest may + * overlap src_addr) */ + memcpy(eth_hdr_p->h_source, src_addr, ETH_ALEN); + memcpy(eth_hdr_p->h_dest, dest_addr, ETH_ALEN); + if (len) + eth_hdr_p->h_proto = htons(len); + } + + skb->protocol = eth_type_trans(skb, skb->dev); +} + +/* Check for fragmented data in priv->rx_skb. If the packet was no fragment + or it was the last of a fragment set a skb containing the whole packet + is returned for further processing. Otherwise we get NULL and are + done and the packet is either stored inside the fragment buffer + or thrown away. Every returned skb starts with the ieee802_11 header + and contains _no_ FCS at the end */ +static struct sk_buff *at76_check_for_rx_frags(struct at76_priv *priv) +{ + struct sk_buff *skb = priv->rx_skb; + struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data; + struct ieee80211_hdr_3addr *i802_11_hdr = + (struct ieee80211_hdr_3addr *)buf->packet; + /* seq_ctrl, fragment_number, sequence number of new packet */ + u16 sctl = le16_to_cpu(i802_11_hdr->seq_ctl); + u16 fragnr = sctl & 0xf; + u16 seqnr = sctl >> 4; + u16 frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl); + + /* Length including the IEEE802.11 header, but without the trailing + * FCS and without the Atmel Rx header */ + int length = le16_to_cpu(buf->wlength) - IEEE80211_FCS_LEN; + + /* where does the data payload start in skb->data ? */ + u8 *data = i802_11_hdr->payload; + + /* length of payload, excl. the trailing FCS */ + int data_len = length - IEEE80211_3ADDR_LEN; + + int i; + struct rx_data_buf *bptr, *optr; + unsigned long oldest = ~0UL; + + at76_dbg(DBG_RX_FRAGS, + "%s: rx data frame_ctl %04x addr2 %s seq/frag %d/%d " + "length %d data %d: %s ...", priv->netdev->name, frame_ctl, + mac2str(i802_11_hdr->addr2), seqnr, fragnr, length, data_len, + hex2str(data, 32)); + + at76_dbg(DBG_RX_FRAGS_SKB, "%s: incoming skb: head %p data %p " + "tail %p end %p len %d", priv->netdev->name, skb->head, + skb->data, skb_tail_pointer(skb), skb_end_pointer(skb), + skb->len); + + if (data_len < 0) { + /* make sure data starts in the buffer */ + printk(KERN_INFO "%s: data frame too short\n", + priv->netdev->name); + return NULL; + } + + WARN_ON(length <= AT76_RX_HDRLEN); + if (length <= AT76_RX_HDRLEN) + return NULL; + + /* remove the at76_rx_buffer header - we don't need it anymore */ + /* we need the IEEE802.11 header (for the addresses) if this packet + is the first of a chain */ + skb_pull(skb, AT76_RX_HDRLEN); + + /* remove FCS at end */ + skb_trim(skb, length); + + at76_dbg(DBG_RX_FRAGS_SKB, "%s: trimmed skb: head %p data %p tail %p " + "end %p len %d data %p data_len %d", priv->netdev->name, + skb->head, skb->data, skb_tail_pointer(skb), + skb_end_pointer(skb), skb->len, data, data_len); + + if (fragnr == 0 && !(frame_ctl & IEEE80211_FCTL_MOREFRAGS)) { + /* unfragmented packet received */ + /* Use a new skb for the next receive */ + priv->rx_skb = NULL; + at76_dbg(DBG_RX_FRAGS, "%s: unfragmented", priv->netdev->name); + return skb; + } + + /* look if we've got a chain for the sender address. + afterwards optr points to first free or the oldest entry, + or, if i < NR_RX_DATA_BUF, bptr points to the entry for the + sender address */ + /* determining the oldest entry doesn't cope with jiffies wrapping + but I don't care to delete a young entry at these rare moments ... */ + + bptr = priv->rx_data; + optr = NULL; + for (i = 0; i < NR_RX_DATA_BUF; i++, bptr++) { + if (!bptr->skb) { + optr = bptr; + oldest = 0UL; + continue; + } + + if (!compare_ether_addr(i802_11_hdr->addr2, bptr->sender)) + break; + + if (!optr) { + optr = bptr; + oldest = bptr->last_rx; + } else if (bptr->last_rx < oldest) + optr = bptr; + } + + if (i < NR_RX_DATA_BUF) { + + at76_dbg(DBG_RX_FRAGS, "%s: %d. cacheentry (seq/frag = %d/%d) " + "matched sender addr", + priv->netdev->name, i, bptr->seqnr, bptr->fragnr); + + /* bptr points to an entry for the sender address */ + if (bptr->seqnr == seqnr) { + int left; + /* the fragment has the current sequence number */ + if (((bptr->fragnr + 1) & 0xf) != fragnr) { + /* wrong fragment number -> ignore it */ + /* is & 0xf necessary above ??? */ + at76_dbg(DBG_RX_FRAGS, + "%s: frag nr mismatch: %d + 1 != %d", + priv->netdev->name, bptr->fragnr, + fragnr); + return NULL; + } + bptr->last_rx = jiffies; + /* the next following fragment number -> + add the data at the end */ + + /* for test only ??? */ + left = skb_tailroom(bptr->skb); + if (left < data_len) + printk(KERN_INFO + "%s: only %d byte free (need %d)\n", + priv->netdev->name, left, data_len); + else + memcpy(skb_put(bptr->skb, data_len), data, + data_len); + + bptr->fragnr = fragnr; + if (frame_ctl & IEEE80211_FCTL_MOREFRAGS) + return NULL; + + /* this was the last fragment - send it */ + skb = bptr->skb; + bptr->skb = NULL; /* free the entry */ + at76_dbg(DBG_RX_FRAGS, "%s: last frag of seq %d", + priv->netdev->name, seqnr); + return skb; + } + + /* got another sequence number */ + if (fragnr == 0) { + /* it's the start of a new chain - replace the + old one by this */ + /* bptr->sender has the correct value already */ + at76_dbg(DBG_RX_FRAGS, + "%s: start of new seq %d, removing old seq %d", + priv->netdev->name, seqnr, bptr->seqnr); + bptr->seqnr = seqnr; + bptr->fragnr = 0; + bptr->last_rx = jiffies; + /* swap bptr->skb and priv->rx_skb */ + skb = bptr->skb; + bptr->skb = priv->rx_skb; + priv->rx_skb = skb; + } else { + /* it from the middle of a new chain -> + delete the old entry and skip the new one */ + at76_dbg(DBG_RX_FRAGS, + "%s: middle of new seq %d (%d) " + "removing old seq %d", + priv->netdev->name, seqnr, fragnr, + bptr->seqnr); + dev_kfree_skb(bptr->skb); + bptr->skb = NULL; + } + return NULL; + } + + /* if we didn't find a chain for the sender address, optr + points either to the first free or the oldest entry */ + + if (fragnr != 0) { + /* this is not the begin of a fragment chain ... */ + at76_dbg(DBG_RX_FRAGS, + "%s: no chain for non-first fragment (%d)", + priv->netdev->name, fragnr); + return NULL; + } + + BUG_ON(!optr); + if (optr->skb) { + /* swap the skb's */ + skb = optr->skb; + optr->skb = priv->rx_skb; + priv->rx_skb = skb; + + at76_dbg(DBG_RX_FRAGS, + "%s: free old contents: sender %s seq/frag %d/%d", + priv->netdev->name, mac2str(optr->sender), + optr->seqnr, optr->fragnr); + + } else { + /* take the skb from priv->rx_skb */ + optr->skb = priv->rx_skb; + /* let at76_submit_rx_urb() allocate a new skb */ + priv->rx_skb = NULL; + + at76_dbg(DBG_RX_FRAGS, "%s: use a free entry", + priv->netdev->name); + } + memcpy(optr->sender, i802_11_hdr->addr2, ETH_ALEN); + optr->seqnr = seqnr; + optr->fragnr = 0; + optr->last_rx = jiffies; + + return NULL; +} + +/* Rx interrupt: we expect the complete data buffer in priv->rx_skb */ +static void at76_rx_data(struct at76_priv *priv) +{ + struct net_device *netdev = priv->netdev; + struct net_device_stats *stats = &priv->stats; + struct sk_buff *skb = priv->rx_skb; + struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data; + struct ieee80211_hdr_3addr *i802_11_hdr; + int length = le16_to_cpu(buf->wlength); + + at76_dbg(DBG_RX_DATA, "%s received data packet: %s", netdev->name, + hex2str(skb->data, AT76_RX_HDRLEN)); + + at76_dbg(DBG_RX_DATA_CONTENT, "rx packet: %s", + hex2str(skb->data + AT76_RX_HDRLEN, length)); + + skb = at76_check_for_rx_frags(priv); + if (!skb) + return; + + /* Atmel header and the FCS are already removed */ + i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data; + + skb->dev = netdev; + skb->ip_summed = CHECKSUM_NONE; /* TODO: should check CRC */ + + if (is_broadcast_ether_addr(i802_11_hdr->addr1)) { + if (!compare_ether_addr(i802_11_hdr->addr1, netdev->broadcast)) + skb->pkt_type = PACKET_BROADCAST; + else + skb->pkt_type = PACKET_MULTICAST; + } else if (compare_ether_addr(i802_11_hdr->addr1, netdev->dev_addr)) + skb->pkt_type = PACKET_OTHERHOST; + + at76_ieee80211_to_eth(skb, priv->iw_mode); + + netdev->last_rx = jiffies; + netif_rx(skb); + stats->rx_packets++; + stats->rx_bytes += length; + + return; +} + +static void at76_rx_monitor_mode(struct at76_priv *priv) +{ + struct at76_rx_radiotap *rt; + u8 *payload; + int skblen; + struct net_device *netdev = priv->netdev; + struct at76_rx_buffer *buf = + (struct at76_rx_buffer *)priv->rx_skb->data; + /* length including the IEEE802.11 header and the trailing FCS, + but not at76_rx_buffer */ + int length = le16_to_cpu(buf->wlength); + struct sk_buff *skb = priv->rx_skb; + struct net_device_stats *stats = &priv->stats; + + if (length < IEEE80211_FCS_LEN) { + /* buffer contains no data */ + at76_dbg(DBG_MONITOR_MODE, + "%s: MONITOR MODE: rx skb without data", + priv->netdev->name); + return; + } + + skblen = sizeof(struct at76_rx_radiotap) + length; + + skb = dev_alloc_skb(skblen); + if (!skb) { + printk(KERN_ERR "%s: MONITOR MODE: dev_alloc_skb for radiotap " + "header returned NULL\n", priv->netdev->name); + return; + } + + skb_put(skb, skblen); + + rt = (struct at76_rx_radiotap *)skb->data; + payload = skb->data + sizeof(struct at76_rx_radiotap); + + rt->rt_hdr.it_version = 0; + rt->rt_hdr.it_pad = 0; + rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct at76_rx_radiotap)); + rt->rt_hdr.it_present = cpu_to_le32(AT76_RX_RADIOTAP_PRESENT); + + rt->rt_tsft = cpu_to_le64(le32_to_cpu(buf->rx_time)); + rt->rt_rate = hw_rates[buf->rx_rate] & (~0x80); + rt->rt_signal = buf->rssi; + rt->rt_noise = buf->noise_level; + rt->rt_flags = IEEE80211_RADIOTAP_F_FCS; + if (buf->fragmentation) + rt->rt_flags |= IEEE80211_RADIOTAP_F_FRAG; + + memcpy(payload, buf->packet, length); + skb->dev = netdev; + skb->ip_summed = CHECKSUM_NONE; + skb_reset_mac_header(skb); + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = htons(ETH_P_802_2); + + netdev->last_rx = jiffies; + netif_rx(skb); + stats->rx_packets++; + stats->rx_bytes += length; +} + +/* Check if we spy on the sender address in buf and update stats */ +static void at76_iwspy_update(struct at76_priv *priv, + struct at76_rx_buffer *buf) +{ + struct ieee80211_hdr_3addr *hdr = + (struct ieee80211_hdr_3addr *)buf->packet; + struct iw_quality qual; + + /* We can only set the level here */ + qual.updated = IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; + qual.level = 0; + qual.noise = 0; + at76_calc_level(priv, buf, &qual); + + spin_lock_bh(&priv->spy_spinlock); + + if (priv->spy_data.spy_number > 0) + wireless_spy_update(priv->netdev, hdr->addr2, &qual); + + spin_unlock_bh(&priv->spy_spinlock); +} + +static void at76_rx_tasklet(unsigned long param) +{ + struct urb *urb = (struct urb *)param; + struct at76_priv *priv = urb->context; + struct net_device *netdev = priv->netdev; + struct at76_rx_buffer *buf; + struct ieee80211_hdr_3addr *i802_11_hdr; + u16 frame_ctl; + + if (priv->device_unplugged) { + at76_dbg(DBG_DEVSTART, "device unplugged"); + if (urb) + at76_dbg(DBG_DEVSTART, "urb status %d", urb->status); + return; + } + + if (!priv->rx_skb || !netdev || !priv->rx_skb->data) + return; + + buf = (struct at76_rx_buffer *)priv->rx_skb->data; + + i802_11_hdr = (struct ieee80211_hdr_3addr *)buf->packet; + + frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl); + + if (urb->status != 0) { + if (urb->status != -ENOENT && urb->status != -ECONNRESET) + at76_dbg(DBG_URB, + "%s %s: - nonzero Rx bulk status received: %d", + __func__, netdev->name, urb->status); + return; + } + + at76_dbg(DBG_RX_ATMEL_HDR, + "%s: rx frame: rate %d rssi %d noise %d link %d %s", + priv->netdev->name, buf->rx_rate, buf->rssi, buf->noise_level, + buf->link_quality, hex2str(i802_11_hdr, 48)); + if (priv->iw_mode == IW_MODE_MONITOR) { + at76_rx_monitor_mode(priv); + goto exit; + } + + /* there is a new bssid around, accept it: */ + if (buf->newbss && priv->iw_mode == IW_MODE_ADHOC) { + at76_dbg(DBG_PROGRESS, "%s: rx newbss", netdev->name); + schedule_work(&priv->work_new_bss); + } + + switch (frame_ctl & IEEE80211_FCTL_FTYPE) { + case IEEE80211_FTYPE_DATA: + at76_rx_data(priv); + break; + + case IEEE80211_FTYPE_MGMT: + /* jal: TODO: find out if we can update iwspy also on + other frames than management (might depend on the + radio chip / firmware version !) */ + + at76_iwspy_update(priv, buf); + + at76_rx_mgmt(priv, buf); + break; + + case IEEE80211_FTYPE_CTL: + at76_dbg(DBG_RX_CTRL, "%s: ignored ctrl frame: %04x", + priv->netdev->name, frame_ctl); + break; + + default: + printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n", + priv->netdev->name, frame_ctl); + } +exit: + at76_submit_rx_urb(priv); +} + +/* Load firmware into kernel memory and parse it */ +static struct fwentry *at76_load_firmware(struct usb_device *udev, + enum board_type board_type) +{ + int ret; + char *str; + struct at76_fw_header *fwh; + struct fwentry *fwe = &firmwares[board_type]; + + mutex_lock(&fw_mutex); + + if (fwe->loaded) { + at76_dbg(DBG_FW, "re-using previously loaded fw"); + goto exit; + } + + at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname); + ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev); + if (ret < 0) { + dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n", + fwe->fwname); + dev_printk(KERN_ERR, &udev->dev, + "you may need to download the firmware from " + "http://developer.berlios.de/projects/at76c503a/"); + goto exit; + } + + at76_dbg(DBG_FW, "got it."); + fwh = (struct at76_fw_header *)(fwe->fw->data); + + if (fwe->fw->size <= sizeof(*fwh)) { + dev_printk(KERN_ERR, &udev->dev, + "firmware is too short (0x%zx)\n", fwe->fw->size); + goto exit; + } + + /* CRC currently not checked */ + fwe->board_type = le32_to_cpu(fwh->board_type); + if (fwe->board_type != board_type) { + dev_printk(KERN_ERR, &udev->dev, + "board type mismatch, requested %u, got %u\n", + board_type, fwe->board_type); + goto exit; + } + + fwe->fw_version.major = fwh->major; + fwe->fw_version.minor = fwh->minor; + fwe->fw_version.patch = fwh->patch; + fwe->fw_version.build = fwh->build; + + str = (char *)fwh + le32_to_cpu(fwh->str_offset); + fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset); + fwe->intfw_size = le32_to_cpu(fwh->int_fw_len); + fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset); + fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len); + + fwe->loaded = 1; + + dev_printk(KERN_DEBUG, &udev->dev, + "using firmware %s (version %d.%d.%d-%d)\n", + fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build); + + at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type, + le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len), + le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len)); + at76_dbg(DBG_DEVSTART, "firmware id %s", str); + +exit: + mutex_unlock(&fw_mutex); + + if (fwe->loaded) + return fwe; + else + return NULL; +} + +/* Allocate network device and initialize private data */ +static struct at76_priv *at76_alloc_new_device(struct usb_device *udev) +{ + struct net_device *netdev; + struct at76_priv *priv; + int i; + + /* allocate memory for our device state and initialize it */ + netdev = alloc_etherdev(sizeof(struct at76_priv)); + if (!netdev) { + dev_printk(KERN_ERR, &udev->dev, "out of memory\n"); + return NULL; + } + + priv = netdev_priv(netdev); + + priv->udev = udev; + priv->netdev = netdev; + + mutex_init(&priv->mtx); + INIT_WORK(&priv->work_assoc_done, at76_work_assoc_done); + INIT_WORK(&priv->work_join, at76_work_join); + INIT_WORK(&priv->work_new_bss, at76_work_new_bss); + INIT_WORK(&priv->work_start_scan, at76_work_start_scan); + INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc); + INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx); + INIT_DELAYED_WORK(&priv->dwork_restart, at76_dwork_restart); + INIT_DELAYED_WORK(&priv->dwork_get_scan, at76_dwork_get_scan); + INIT_DELAYED_WORK(&priv->dwork_beacon, at76_dwork_beacon); + INIT_DELAYED_WORK(&priv->dwork_auth, at76_dwork_auth); + INIT_DELAYED_WORK(&priv->dwork_assoc, at76_dwork_assoc); + + spin_lock_init(&priv->mgmt_spinlock); + priv->next_mgmt_bulk = NULL; + priv->mac_state = MAC_INIT; + + /* initialize empty BSS list */ + priv->curr_bss = NULL; + INIT_LIST_HEAD(&priv->bss_list); + spin_lock_init(&priv->bss_list_spinlock); + + init_timer(&priv->bss_list_timer); + priv->bss_list_timer.data = (unsigned long)priv; + priv->bss_list_timer.function = at76_bss_list_timeout; + + spin_lock_init(&priv->spy_spinlock); + + /* mark all rx data entries as unused */ + for (i = 0; i < NR_RX_DATA_BUF; i++) + priv->rx_data[i].skb = NULL; + + priv->rx_tasklet.func = at76_rx_tasklet; + priv->rx_tasklet.data = 0; + + priv->pm_mode = AT76_PM_OFF; + priv->pm_period = 0; + + return priv; +} + +static int at76_alloc_urbs(struct at76_priv *priv, + struct usb_interface *interface) +{ + struct usb_endpoint_descriptor *endpoint, *ep_in, *ep_out; + int i; + int buffer_size; + struct usb_host_interface *iface_desc; + + at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__); + + at76_dbg(DBG_URB, "%s: NumEndpoints %d ", __func__, + interface->altsetting[0].desc.bNumEndpoints); + + ep_in = NULL; + ep_out = NULL; + iface_desc = interface->cur_altsetting; + for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { + endpoint = &iface_desc->endpoint[i].desc; + + at76_dbg(DBG_URB, "%s: %d. endpoint: addr 0x%x attr 0x%x", + __func__, i, endpoint->bEndpointAddress, + endpoint->bmAttributes); + + if (!ep_in && usb_endpoint_is_bulk_in(endpoint)) + ep_in = endpoint; + + if (!ep_out && usb_endpoint_is_bulk_out(endpoint)) + ep_out = endpoint; + } + + if (!ep_in || !ep_out) { + dev_printk(KERN_ERR, &interface->dev, + "bulk endpoints missing\n"); + return -ENXIO; + } + + priv->rx_pipe = usb_rcvbulkpipe(priv->udev, ep_in->bEndpointAddress); + priv->tx_pipe = usb_sndbulkpipe(priv->udev, ep_out->bEndpointAddress); + + priv->rx_urb = usb_alloc_urb(0, GFP_KERNEL); + priv->tx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!priv->rx_urb || !priv->tx_urb) { + dev_printk(KERN_ERR, &interface->dev, "cannot allocate URB\n"); + return -ENOMEM; + } + + buffer_size = sizeof(struct at76_tx_buffer) + MAX_PADDING_SIZE; + priv->bulk_out_buffer = kmalloc(buffer_size, GFP_KERNEL); + if (!priv->bulk_out_buffer) { + dev_printk(KERN_ERR, &interface->dev, + "cannot allocate output buffer\n"); + return -ENOMEM; + } + + at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__); + + return 0; +} + +/* Register network device and initialize the hardware */ +static int at76_init_new_device(struct at76_priv *priv, + struct usb_interface *interface) +{ + struct net_device *netdev = priv->netdev; + int ret; + + /* set up the endpoint information */ + /* check out the endpoints */ + + at76_dbg(DBG_DEVSTART, "USB interface: %d endpoints", + interface->cur_altsetting->desc.bNumEndpoints); + + ret = at76_alloc_urbs(priv, interface); + if (ret < 0) + goto exit; + + /* MAC address */ + ret = at76_get_hw_config(priv); + if (ret < 0) { + dev_printk(KERN_ERR, &interface->dev, + "cannot get MAC address\n"); + goto exit; + } + + priv->domain = at76_get_reg_domain(priv->regulatory_domain); + /* init. netdev->dev_addr */ + memcpy(netdev->dev_addr, priv->mac_addr, ETH_ALEN); + + priv->channel = DEF_CHANNEL; + priv->iw_mode = IW_MODE_INFRA; + priv->rts_threshold = DEF_RTS_THRESHOLD; + priv->frag_threshold = DEF_FRAG_THRESHOLD; + priv->short_retry_limit = DEF_SHORT_RETRY_LIMIT; + priv->txrate = TX_RATE_AUTO; + priv->preamble_type = PREAMBLE_TYPE_LONG; + priv->beacon_period = 100; + priv->beacons_last_qual = jiffies; + priv->auth_mode = WLAN_AUTH_OPEN; + priv->scan_min_time = DEF_SCAN_MIN_TIME; + priv->scan_max_time = DEF_SCAN_MAX_TIME; + priv->scan_mode = SCAN_TYPE_ACTIVE; + + netdev->flags &= ~IFF_MULTICAST; /* not yet or never */ + netdev->open = at76_open; + netdev->stop = at76_stop; + netdev->get_stats = at76_get_stats; + netdev->ethtool_ops = &at76_ethtool_ops; + + /* Add pointers to enable iwspy support. */ + priv->wireless_data.spy_data = &priv->spy_data; + netdev->wireless_data = &priv->wireless_data; + + netdev->hard_start_xmit = at76_tx; + netdev->tx_timeout = at76_tx_timeout; + netdev->watchdog_timeo = 2 * HZ; + netdev->wireless_handlers = &at76_handler_def; + netdev->set_multicast_list = at76_set_multicast; + netdev->set_mac_address = at76_set_mac_address; + dev_alloc_name(netdev, "wlan%d"); + + ret = register_netdev(priv->netdev); + if (ret) { + dev_printk(KERN_ERR, &interface->dev, + "cannot register netdevice (status %d)!\n", ret); + goto exit; + } + priv->netdev_registered = 1; + + printk(KERN_INFO "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n", + netdev->name, interface->dev.bus_id, mac2str(priv->mac_addr), + priv->fw_version.major, priv->fw_version.minor, + priv->fw_version.patch, priv->fw_version.build); + printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n", netdev->name, + priv->regulatory_domain, priv->domain->name); + + /* we let this timer run the whole time this driver instance lives */ + mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT); + +exit: + return ret; +} + +static void at76_delete_device(struct at76_priv *priv) +{ + int i; + + at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__); + + /* The device is gone, don't bother turning it off */ + priv->device_unplugged = 1; + + if (priv->netdev_registered) + unregister_netdev(priv->netdev); + + /* assuming we used keventd, it must quiesce too */ + flush_scheduled_work(); + + kfree(priv->bulk_out_buffer); + + if (priv->tx_urb) { + usb_kill_urb(priv->tx_urb); + usb_free_urb(priv->tx_urb); + } + if (priv->rx_urb) { + usb_kill_urb(priv->rx_urb); + usb_free_urb(priv->rx_urb); + } + + at76_dbg(DBG_PROC_ENTRY, "%s: unlinked urbs", __func__); + + if (priv->rx_skb) + kfree_skb(priv->rx_skb); + + at76_free_bss_list(priv); + del_timer_sync(&priv->bss_list_timer); + cancel_delayed_work(&priv->dwork_get_scan); + cancel_delayed_work(&priv->dwork_beacon); + cancel_delayed_work(&priv->dwork_auth); + cancel_delayed_work(&priv->dwork_assoc); + + if (priv->mac_state == MAC_CONNECTED) + at76_iwevent_bss_disconnect(priv->netdev); + + for (i = 0; i < NR_RX_DATA_BUF; i++) + if (priv->rx_data[i].skb) { + dev_kfree_skb(priv->rx_data[i].skb); + priv->rx_data[i].skb = NULL; + } + usb_put_dev(priv->udev); + + at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/netdev", __func__); + free_netdev(priv->netdev); /* priv is in netdev */ + + at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__); +} + +static int at76_probe(struct usb_interface *interface, + const struct usb_device_id *id) +{ + int ret; + struct at76_priv *priv; + struct fwentry *fwe; + struct usb_device *udev; + int op_mode; + int need_ext_fw = 0; + struct mib_fw_version fwv; + int board_type = (int)id->driver_info; + + udev = usb_get_dev(interface_to_usbdev(interface)); + + /* Load firmware into kernel memory */ + fwe = at76_load_firmware(udev, board_type); + if (!fwe) { + ret = -ENOENT; + goto error; + } + + op_mode = at76_get_op_mode(udev); + + at76_dbg(DBG_DEVSTART, "opmode %d", op_mode); + + /* we get OPMODE_NONE with 2.4.23, SMC2662W-AR ??? + we get 204 with 2.4.23, Fiberline FL-WL240u (505A+RFMD2958) ??? */ + + if (op_mode == OPMODE_HW_CONFIG_MODE) { + dev_printk(KERN_ERR, &interface->dev, + "cannot handle a device in HW_CONFIG_MODE\n"); + ret = -EBUSY; + goto error; + } + + if (op_mode != OPMODE_NORMAL_NIC_WITH_FLASH + && op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) { + /* download internal firmware part */ + dev_printk(KERN_DEBUG, &interface->dev, + "downloading internal firmware\n"); + ret = at76_load_internal_fw(udev, fwe); + if (ret < 0) { + dev_printk(KERN_ERR, &interface->dev, + "error %d downloading internal firmware\n", + ret); + goto error; + } + usb_put_dev(udev); + return ret; + } + + /* Internal firmware already inside the device. Get firmware + * version to test if external firmware is loaded. + * This works only for newer firmware, e.g. the Intersil 0.90.x + * says "control timeout on ep0in" and subsequent + * at76_get_op_mode() fail too :-( */ + + /* if version >= 0.100.x.y or device with built-in flash we can + * query the device for the fw version */ + if ((fwe->fw_version.major > 0 || fwe->fw_version.minor >= 100) + || (op_mode == OPMODE_NORMAL_NIC_WITH_FLASH)) { + ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv)); + if (ret < 0 || (fwv.major | fwv.minor) == 0) + need_ext_fw = 1; + } else + /* No way to check firmware version, reload to be sure */ + need_ext_fw = 1; + + if (need_ext_fw) { + dev_printk(KERN_DEBUG, &interface->dev, + "downloading external firmware\n"); + + ret = at76_load_external_fw(udev, fwe); + if (ret) + goto error; + + /* Re-check firmware version */ + ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv)); + if (ret < 0) { + dev_printk(KERN_ERR, &interface->dev, + "error %d getting firmware version\n", ret); + goto error; + } + } + + priv = at76_alloc_new_device(udev); + if (!priv) { + ret = -ENOMEM; + goto error; + } + + SET_NETDEV_DEV(priv->netdev, &interface->dev); + usb_set_intfdata(interface, priv); + + memcpy(&priv->fw_version, &fwv, sizeof(struct mib_fw_version)); + priv->board_type = board_type; + + ret = at76_init_new_device(priv, interface); + if (ret < 0) + at76_delete_device(priv); + + return ret; + +error: + usb_put_dev(udev); + return ret; +} + +static void at76_disconnect(struct usb_interface *interface) +{ + struct at76_priv *priv; + + priv = usb_get_intfdata(interface); + usb_set_intfdata(interface, NULL); + + /* Disconnect after loading internal firmware */ + if (!priv) + return; + + printk(KERN_INFO "%s: disconnecting\n", priv->netdev->name); + at76_delete_device(priv); + dev_printk(KERN_INFO, &interface->dev, "disconnected\n"); +} + +/* Structure for registering this driver with the USB subsystem */ +static struct usb_driver at76_driver = { + .name = DRIVER_NAME, + .probe = at76_probe, + .disconnect = at76_disconnect, + .id_table = dev_table, +}; + +static int __init at76_mod_init(void) +{ + int result; + + printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " loading\n"); + + mutex_init(&fw_mutex); + + /* register this driver with the USB subsystem */ + result = usb_register(&at76_driver); + if (result < 0) + printk(KERN_ERR DRIVER_NAME + ": usb_register failed (status %d)\n", result); + + led_trigger_register_simple("at76_usb-tx", &ledtrig_tx); + return result; +} + +static void __exit at76_mod_exit(void) +{ + int i; + + printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " unloading\n"); + usb_deregister(&at76_driver); + for (i = 0; i < ARRAY_SIZE(firmwares); i++) { + if (firmwares[i].fw) + release_firmware(firmwares[i].fw); + } + led_trigger_unregister_simple(ledtrig_tx); +} + +module_param_named(debug, at76_debug, int, 0600); +MODULE_PARM_DESC(debug, "Debugging level"); + +module_init(at76_mod_init); +module_exit(at76_mod_exit); + +MODULE_AUTHOR("Oliver Kurth "); +MODULE_AUTHOR("Joerg Albert "); +MODULE_AUTHOR("Alex "); +MODULE_AUTHOR("Nick Jones"); +MODULE_AUTHOR("Balint Seeber "); +MODULE_AUTHOR("Pavel Roskin "); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/at76_usb/at76_usb.h b/drivers/staging/at76_usb/at76_usb.h new file mode 100644 index 000000000000..b20be9da1fa1 --- /dev/null +++ b/drivers/staging/at76_usb/at76_usb.h @@ -0,0 +1,619 @@ +/* + * Copyright (c) 2002,2003 Oliver Kurth + * (c) 2003,2004 Joerg Albert + * (c) 2007 Guido Guenther + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This driver was based on information from the Sourceforge driver + * released and maintained by Atmel: + * + * http://sourceforge.net/projects/atmelwlandriver/ + * + * Although the code was completely re-written, + * it would have been impossible without Atmel's decision to + * release an Open Source driver (unfortunately the firmware was + * kept binary only). Thanks for that decision to Atmel! + */ + +#ifndef _AT76_USB_H +#define _AT76_USB_H + +/* Board types */ +enum board_type { + BOARD_503_ISL3861 = 1, + BOARD_503_ISL3863 = 2, + BOARD_503 = 3, + BOARD_503_ACC = 4, + BOARD_505 = 5, + BOARD_505_2958 = 6, + BOARD_505A = 7, + BOARD_505AMX = 8 +}; + +/* our private ioctl's */ +/* preamble length (0 - long, 1 - short, 2 - auto) */ +#define AT76_SET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 0) +#define AT76_GET_SHORT_PREAMBLE (SIOCIWFIRSTPRIV + 1) +/* which debug channels are enabled */ +#define AT76_SET_DEBUG (SIOCIWFIRSTPRIV + 2) +#define AT76_GET_DEBUG (SIOCIWFIRSTPRIV + 3) +/* power save mode (incl. the Atmel proprietary smart save mode) */ +#define AT76_SET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 4) +#define AT76_GET_POWERSAVE_MODE (SIOCIWFIRSTPRIV + 5) +/* min and max channel times for scan */ +#define AT76_SET_SCAN_TIMES (SIOCIWFIRSTPRIV + 6) +#define AT76_GET_SCAN_TIMES (SIOCIWFIRSTPRIV + 7) +/* scan mode (0 - active, 1 - passive) */ +#define AT76_SET_SCAN_MODE (SIOCIWFIRSTPRIV + 8) +#define AT76_GET_SCAN_MODE (SIOCIWFIRSTPRIV + 9) + +#define CMD_STATUS_IDLE 0x00 +#define CMD_STATUS_COMPLETE 0x01 +#define CMD_STATUS_UNKNOWN 0x02 +#define CMD_STATUS_INVALID_PARAMETER 0x03 +#define CMD_STATUS_FUNCTION_NOT_SUPPORTED 0x04 +#define CMD_STATUS_TIME_OUT 0x07 +#define CMD_STATUS_IN_PROGRESS 0x08 +#define CMD_STATUS_HOST_FAILURE 0xff +#define CMD_STATUS_SCAN_FAILED 0xf0 + +/* answers to get op mode */ +#define OPMODE_NONE 0x00 +#define OPMODE_NORMAL_NIC_WITH_FLASH 0x01 +#define OPMODE_HW_CONFIG_MODE 0x02 +#define OPMODE_DFU_MODE_WITH_FLASH 0x03 +#define OPMODE_NORMAL_NIC_WITHOUT_FLASH 0x04 + +#define CMD_SET_MIB 0x01 +#define CMD_GET_MIB 0x02 +#define CMD_SCAN 0x03 +#define CMD_JOIN 0x04 +#define CMD_START_IBSS 0x05 +#define CMD_RADIO_ON 0x06 +#define CMD_RADIO_OFF 0x07 +#define CMD_STARTUP 0x0B + +#define MIB_LOCAL 0x01 +#define MIB_MAC_ADDR 0x02 +#define MIB_MAC 0x03 +#define MIB_MAC_MGMT 0x05 +#define MIB_MAC_WEP 0x06 +#define MIB_PHY 0x07 +#define MIB_FW_VERSION 0x08 +#define MIB_MDOMAIN 0x09 + +#define ADHOC_MODE 1 +#define INFRASTRUCTURE_MODE 2 + +/* values for struct mib_local, field preamble_type */ +#define PREAMBLE_TYPE_LONG 0 +#define PREAMBLE_TYPE_SHORT 1 +#define PREAMBLE_TYPE_AUTO 2 + +/* values for tx_rate */ +#define TX_RATE_1MBIT 0 +#define TX_RATE_2MBIT 1 +#define TX_RATE_5_5MBIT 2 +#define TX_RATE_11MBIT 3 +#define TX_RATE_AUTO 4 + +/* power management modes */ +#define AT76_PM_OFF 1 +#define AT76_PM_ON 2 +#define AT76_PM_SMART 3 + +struct hwcfg_r505 { + u8 cr39_values[14]; + u8 reserved1[14]; + u8 bb_cr[14]; + u8 pidvid[4]; + u8 mac_addr[ETH_ALEN]; + u8 regulatory_domain; + u8 reserved2[14]; + u8 cr15_values[14]; + u8 reserved3[3]; +} __attribute__((packed)); + +struct hwcfg_rfmd { + u8 cr20_values[14]; + u8 cr21_values[14]; + u8 bb_cr[14]; + u8 pidvid[4]; + u8 mac_addr[ETH_ALEN]; + u8 regulatory_domain; + u8 low_power_values[14]; + u8 normal_power_values[14]; + u8 reserved1[3]; +} __attribute__((packed)); + +struct hwcfg_intersil { + u8 mac_addr[ETH_ALEN]; + u8 cr31_values[14]; + u8 cr58_values[14]; + u8 pidvid[4]; + u8 regulatory_domain; + u8 reserved[1]; +} __attribute__((packed)); + +union at76_hwcfg { + struct hwcfg_intersil i; + struct hwcfg_rfmd r3; + struct hwcfg_r505 r5; +}; + +#define WEP_SMALL_KEY_LEN (40 / 8) +#define WEP_LARGE_KEY_LEN (104 / 8) + +struct at76_card_config { + u8 exclude_unencrypted; + u8 promiscuous_mode; + u8 short_retry_limit; + u8 encryption_type; + __le16 rts_threshold; + __le16 fragmentation_threshold; /* 256..2346 */ + u8 basic_rate_set[4]; + u8 auto_rate_fallback; /* 0,1 */ + u8 channel; + u8 privacy_invoked; + u8 wep_default_key_id; /* 0..3 */ + u8 current_ssid[32]; + u8 wep_default_key_value[4][WEP_KEY_LEN]; + u8 ssid_len; + u8 short_preamble; + __le16 beacon_period; +} __attribute__((packed)); + +struct at76_command { + u8 cmd; + u8 reserved; + __le16 size; + u8 data[0]; +} __attribute__((packed)); + +/* Length of Atmel-specific Rx header before 802.11 frame */ +#define AT76_RX_HDRLEN offsetof(struct at76_rx_buffer, packet) + +struct at76_rx_buffer { + __le16 wlength; + u8 rx_rate; + u8 newbss; + u8 fragmentation; + u8 rssi; + u8 link_quality; + u8 noise_level; + __le32 rx_time; + u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN]; +} __attribute__((packed)); + +/* Length of Atmel-specific Tx header before 802.11 frame */ +#define AT76_TX_HDRLEN offsetof(struct at76_tx_buffer, packet) + +struct at76_tx_buffer { + __le16 wlength; + u8 tx_rate; + u8 padding; + u8 reserved[4]; + u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN]; +} __attribute__((packed)); + +/* defines for scan_type below */ +#define SCAN_TYPE_ACTIVE 0 +#define SCAN_TYPE_PASSIVE 1 + +struct at76_req_scan { + u8 bssid[ETH_ALEN]; + u8 essid[32]; + u8 scan_type; + u8 channel; + __le16 probe_delay; + __le16 min_channel_time; + __le16 max_channel_time; + u8 essid_size; + u8 international_scan; +} __attribute__((packed)); + +struct at76_req_ibss { + u8 bssid[ETH_ALEN]; + u8 essid[32]; + u8 bss_type; + u8 channel; + u8 essid_size; + u8 reserved[3]; +} __attribute__((packed)); + +struct at76_req_join { + u8 bssid[ETH_ALEN]; + u8 essid[32]; + u8 bss_type; + u8 channel; + __le16 timeout; + u8 essid_size; + u8 reserved; +} __attribute__((packed)); + +struct set_mib_buffer { + u8 type; + u8 size; + u8 index; + u8 reserved; + union { + u8 byte; + __le16 word; + u8 addr[ETH_ALEN]; + } data; +} __attribute__((packed)); + +struct mib_local { + u16 reserved0; + u8 beacon_enable; + u8 txautorate_fallback; + u8 reserved1; + u8 ssid_size; + u8 promiscuous_mode; + u16 reserved2; + u8 preamble_type; + u16 reserved3; +} __attribute__((packed)); + +struct mib_mac_addr { + u8 mac_addr[ETH_ALEN]; + u8 res[2]; /* ??? */ + u8 group_addr[4][ETH_ALEN]; + u8 group_addr_status[4]; +} __attribute__((packed)); + +struct mib_mac { + __le32 max_tx_msdu_lifetime; + __le32 max_rx_lifetime; + __le16 frag_threshold; + __le16 rts_threshold; + __le16 cwmin; + __le16 cwmax; + u8 short_retry_time; + u8 long_retry_time; + u8 scan_type; /* active or passive */ + u8 scan_channel; + __le16 probe_delay; /* delay before ProbeReq in active scan, RO */ + __le16 min_channel_time; + __le16 max_channel_time; + __le16 listen_interval; + u8 desired_ssid[32]; + u8 desired_bssid[ETH_ALEN]; + u8 desired_bsstype; /* ad-hoc or infrastructure */ + u8 reserved2; +} __attribute__((packed)); + +struct mib_mac_mgmt { + __le16 beacon_period; + __le16 CFP_max_duration; + __le16 medium_occupancy_limit; + __le16 station_id; /* assoc id */ + __le16 ATIM_window; + u8 CFP_mode; + u8 privacy_option_implemented; + u8 DTIM_period; + u8 CFP_period; + u8 current_bssid[ETH_ALEN]; + u8 current_essid[32]; + u8 current_bss_type; + u8 power_mgmt_mode; + /* rfmd and 505 */ + u8 ibss_change; + u8 res; + u8 multi_domain_capability_implemented; + u8 multi_domain_capability_enabled; + u8 country_string[3]; + u8 reserved[3]; +} __attribute__((packed)); + +struct mib_mac_wep { + u8 privacy_invoked; /* 0 disable encr., 1 enable encr */ + u8 wep_default_key_id; + u8 wep_key_mapping_len; + u8 exclude_unencrypted; + __le32 wep_icv_error_count; + __le32 wep_excluded_count; + u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN]; + u8 encryption_level; /* 1 for 40bit, 2 for 104bit encryption */ +} __attribute__((packed)); + +struct mib_phy { + __le32 ed_threshold; + + __le16 slot_time; + __le16 sifs_time; + __le16 preamble_length; + __le16 plcp_header_length; + __le16 mpdu_max_length; + __le16 cca_mode_supported; + + u8 operation_rate_set[4]; + u8 channel_id; + u8 current_cca_mode; + u8 phy_type; + u8 current_reg_domain; +} __attribute__((packed)); + +struct mib_fw_version { + u8 major; + u8 minor; + u8 patch; + u8 build; +} __attribute__((packed)); + +struct mib_mdomain { + u8 tx_powerlevel[14]; + u8 channel_list[14]; /* 0 for invalid channels */ +} __attribute__((packed)); + +struct at76_fw_header { + __le32 crc; /* CRC32 of the whole image */ + __le32 board_type; /* firmware compatibility code */ + u8 build; /* firmware build number */ + u8 patch; /* firmware patch level */ + u8 minor; /* firmware minor version */ + u8 major; /* firmware major version */ + __le32 str_offset; /* offset of the copyright string */ + __le32 int_fw_offset; /* internal firmware image offset */ + __le32 int_fw_len; /* internal firmware image length */ + __le32 ext_fw_offset; /* external firmware image offset */ + __le32 ext_fw_len; /* external firmware image length */ +} __attribute__((packed)); + +enum mac_state { + MAC_INIT, + MAC_SCANNING, + MAC_AUTH, + MAC_ASSOC, + MAC_JOINING, + MAC_CONNECTED, + MAC_OWN_IBSS +}; + +/* a description of a regulatory domain and the allowed channels */ +struct reg_domain { + u16 code; + char const *name; + u32 channel_map; /* if bit N is set, channel (N+1) is allowed */ +}; + +/* how long do we keep a (I)BSS in the bss_list in jiffies + this should be long enough for the user to retrieve the table + (by iwlist ?) after the device started, because all entries from + other channels than the one the device locks on get removed, too */ +#define BSS_LIST_TIMEOUT (120 * HZ) +/* struct to store BSS info found during scan */ +#define BSS_LIST_MAX_RATE_LEN 32 /* 32 rates should be enough ... */ + +struct bss_info { + struct list_head list; + + u8 bssid[ETH_ALEN]; /* bssid */ + u8 ssid[IW_ESSID_MAX_SIZE]; /* essid */ + u8 ssid_len; /* length of ssid above */ + u8 channel; + u16 capa; /* BSS capabilities */ + u16 beacon_interval; /* beacon interval, Kus (1024 microseconds) */ + u8 rates[BSS_LIST_MAX_RATE_LEN]; /* supported rates in units of + 500 kbps, ORed with 0x80 for + basic rates */ + u8 rates_len; + + /* quality of received beacon */ + u8 rssi; + u8 link_qual; + u8 noise_level; + + unsigned long last_rx; /* time (jiffies) of last beacon received */ +}; + +/* a rx data buffer to collect rx fragments */ +struct rx_data_buf { + u8 sender[ETH_ALEN]; /* sender address */ + u16 seqnr; /* sequence number */ + u16 fragnr; /* last fragment received */ + unsigned long last_rx; /* jiffies of last rx */ + struct sk_buff *skb; /* == NULL if entry is free */ +}; + +#define NR_RX_DATA_BUF 8 + +/* Data for one loaded firmware file */ +struct fwentry { + const char *const fwname; + const struct firmware *fw; + int extfw_size; + int intfw_size; + /* pointer to loaded firmware, no need to free */ + u8 *extfw; /* external firmware, extfw_size bytes long */ + u8 *intfw; /* internal firmware, intfw_size bytes long */ + enum board_type board_type; /* board type */ + struct mib_fw_version fw_version; + int loaded; /* Loaded and parsed successfully */ +}; + +struct at76_priv { + struct usb_device *udev; /* USB device pointer */ + struct net_device *netdev; /* net device pointer */ + struct net_device_stats stats; /* net device stats */ + struct iw_statistics wstats; /* wireless stats */ + + struct sk_buff *rx_skb; /* skbuff for receiving data */ + void *bulk_out_buffer; /* buffer for sending data */ + + struct urb *tx_urb; /* URB for sending data */ + struct urb *rx_urb; /* URB for receiving data */ + + unsigned int tx_pipe; /* bulk out pipe */ + unsigned int rx_pipe; /* bulk in pipe */ + + struct mutex mtx; /* locks this structure */ + + /* work queues */ + struct work_struct work_assoc_done; + struct work_struct work_join; + struct work_struct work_new_bss; + struct work_struct work_start_scan; + struct work_struct work_set_promisc; + struct work_struct work_submit_rx; + struct delayed_work dwork_restart; + struct delayed_work dwork_get_scan; + struct delayed_work dwork_beacon; + struct delayed_work dwork_auth; + struct delayed_work dwork_assoc; + + struct tasklet_struct rx_tasklet; + + /* the WEP stuff */ + int wep_enabled; /* 1 if WEP is enabled */ + int wep_key_id; /* key id to be used */ + u8 wep_keys[WEP_KEYS][WEP_KEY_LEN]; /* the four WEP keys, + 5 or 13 bytes are used */ + u8 wep_keys_len[WEP_KEYS]; /* the length of the above keys */ + + int channel; + int iw_mode; + u8 bssid[ETH_ALEN]; + u8 essid[IW_ESSID_MAX_SIZE]; + int essid_size; + int radio_on; + int promisc; + + int preamble_type; /* 0 - long, 1 - short, 2 - auto */ + int auth_mode; /* authentication type: 0 open, 1 shared key */ + int txrate; /* 0,1,2,3 = 1,2,5.5,11 Mbps, 4 is auto */ + int frag_threshold; /* threshold for fragmentation of tx packets */ + int rts_threshold; /* threshold for RTS mechanism */ + int short_retry_limit; + + int scan_min_time; /* scan min channel time */ + int scan_max_time; /* scan max channel time */ + int scan_mode; /* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */ + int scan_need_any; /* if set, need to scan for any ESSID */ + + /* the list we got from scanning */ + spinlock_t bss_list_spinlock; /* protects bss_list operations */ + struct list_head bss_list; /* list of BSS we got beacons from */ + struct timer_list bss_list_timer; /* timer to purge old entries + from bss_list */ + struct bss_info *curr_bss; /* current BSS */ + u16 assoc_id; /* current association ID, if associated */ + + u8 wanted_bssid[ETH_ALEN]; + int wanted_bssid_valid; /* != 0 if wanted_bssid is to be used */ + + /* some data for infrastructure mode only */ + spinlock_t mgmt_spinlock; /* this spinlock protects access to + next_mgmt_bulk */ + + struct at76_tx_buffer *next_mgmt_bulk; /* pending management msg to + send via bulk out */ + enum mac_state mac_state; + enum { + SCAN_IDLE, + SCAN_IN_PROGRESS, + SCAN_COMPLETED + } scan_state; + time_t last_scan; + + int retries; /* remaining retries in case of timeout when + * sending AuthReq or AssocReq */ + u8 pm_mode; /* power management mode */ + u32 pm_period; /* power management period in microseconds */ + + struct reg_domain const *domain; /* reg domain description */ + + /* iwspy support */ + spinlock_t spy_spinlock; + struct iw_spy_data spy_data; + + struct iw_public_data wireless_data; + + /* These fields contain HW config provided by the device (not all of + * these fields are used by all board types) */ + u8 mac_addr[ETH_ALEN]; + u8 regulatory_domain; + + struct at76_card_config card_config; + + /* store rx fragments until complete */ + struct rx_data_buf rx_data[NR_RX_DATA_BUF]; + + enum board_type board_type; + struct mib_fw_version fw_version; + + unsigned int device_unplugged:1; + unsigned int netdev_registered:1; + struct set_mib_buffer mib_buf; /* global buffer for set_mib calls */ + + /* beacon counting */ + int beacon_period; /* period of mgmt beacons, Kus */ + int beacons_received; + unsigned long beacons_last_qual; /* time we restarted counting + beacons */ +}; + +struct at76_rx_radiotap { + struct ieee80211_radiotap_header rt_hdr; + __le64 rt_tsft; + u8 rt_flags; + u8 rt_rate; + s8 rt_signal; + s8 rt_noise; +}; + +#define AT76_RX_RADIOTAP_PRESENT \ + ((1 << IEEE80211_RADIOTAP_TSFT) | \ + (1 << IEEE80211_RADIOTAP_FLAGS) | \ + (1 << IEEE80211_RADIOTAP_RATE) | \ + (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \ + (1 << IEEE80211_RADIOTAP_DB_ANTNOISE)) + +#define BEACON_MAX_DATA_LENGTH 1500 + +/* the maximum size of an AssocReq packet */ +#define ASSOCREQ_MAX_SIZE \ + (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \ + 1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4) + +/* for shared secret auth, add the challenge text size */ +#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth)) + +/* Maximal number of AuthReq retries */ +#define AUTH_RETRIES 3 + +/* Maximal number of AssocReq retries */ +#define ASSOC_RETRIES 3 + +/* Beacon timeout in managed mode when we are connected */ +#define BEACON_TIMEOUT (10 * HZ) + +/* Timeout for authentication response */ +#define AUTH_TIMEOUT (1 * HZ) + +/* Timeout for association response */ +#define ASSOC_TIMEOUT (1 * HZ) + +/* Polling interval when scan is running */ +#define SCAN_POLL_INTERVAL (HZ / 4) + +/* Command completion timeout */ +#define CMD_COMPLETION_TIMEOUT (5 * HZ) + +#define DEF_RTS_THRESHOLD 1536 +#define DEF_FRAG_THRESHOLD 1536 +#define DEF_SHORT_RETRY_LIMIT 8 +#define DEF_CHANNEL 10 +#define DEF_SCAN_MIN_TIME 10 +#define DEF_SCAN_MAX_TIME 120 + +#define MAX_RTS_THRESHOLD (MAX_FRAG_THRESHOLD + 1) + +/* the max padding size for tx in bytes (see calc_padding) */ +#define MAX_PADDING_SIZE 53 + +#endif /* _AT76_USB_H */ -- GitLab From 8aa2659009714cf5f9ffe7f3e16ccfa8ff0e0d61 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Thu, 9 Oct 2008 17:06:24 +0000 Subject: [PATCH 4508/6244] powerpc: Fix DMA offset for non-coherent DMA After Becky's work we can almost have different DMA offsets between on-chip devices and PCI. Almost because there's a problem with the non-coherent DMA code that basically ignores the programmed offset to use the global one for everything. This fixes it. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/dma.c | 8 ++++++-- arch/powerpc/lib/dma-noncoherent.c | 2 +- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 41fdd48bf433..1562daf8839a 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -30,11 +30,15 @@ static unsigned long get_dma_direct_offset(struct device *dev) void *dma_direct_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { + void *ret; #ifdef CONFIG_NOT_COHERENT_CACHE - return __dma_alloc_coherent(size, dma_handle, flag); + ret = __dma_alloc_coherent(size, dma_handle, flag); + if (ret == NULL) + return NULL; + *dma_handle += get_dma_direct_offset(dev); + return ret; #else struct page *page; - void *ret; int node = dev_to_node(dev); /* ignore region specifiers */ diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c index 5d83907f6591..31734c0969cd 100644 --- a/arch/powerpc/lib/dma-noncoherent.c +++ b/arch/powerpc/lib/dma-noncoherent.c @@ -203,7 +203,7 @@ __dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp) /* * Set the "dma handle" */ - *handle = page_to_bus(page); + *handle = page_to_phys(page); do { BUG_ON(!pte_none(*pte)); -- GitLab From cd301c7ba4bbb5a0ee6ebf13eb4a304f29b13847 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Sun, 12 Oct 2008 04:08:14 +0000 Subject: [PATCH 4509/6244] powerpc: Reflect the used arguments in machine_init() prototype The "phys" argument to machine_init() isn't used and isn't likely to ever be so let's remove it. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/setup_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 1e0df1658d3f..c1a27626a940 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -111,7 +111,7 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) * This is called very early on the boot process, after a minimal * MMU environment has been set up but before MMU_init is called. */ -notrace void __init machine_init(unsigned long dt_ptr, unsigned long phys) +notrace void __init machine_init(unsigned long dt_ptr) { /* Enable early debugging if any specified (see udbg.h) */ udbg_early_init(); -- GitLab From f5ea64dcbad89875d130596df14c9b25d994a737 Mon Sep 17 00:00:00 2001 From: David Gibson Date: Sun, 12 Oct 2008 17:54:24 +0000 Subject: [PATCH 4510/6244] powerpc: Get USE_STRICT_MM_TYPECHECKS working again The typesafe version of the powerpc pagetable handling (with USE_STRICT_MM_TYPECHECKS defined) has bitrotted again. This patch makes a bunch of small fixes to get it back to building status. It's still not enabled by default as gcc still generates worse code with it for some reason. Signed-off-by: David Gibson Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/mman.h | 2 +- arch/powerpc/include/asm/pgtable-ppc32.h | 17 +++++++++-------- arch/powerpc/include/asm/pgtable-ppc64.h | 12 ++++++------ arch/powerpc/mm/gup.c | 7 ++++--- arch/powerpc/mm/hash_utils_64.c | 4 ++-- arch/powerpc/mm/init_64.c | 4 ++-- 6 files changed, 24 insertions(+), 22 deletions(-) diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index 9209f755763e..e7b99bac9f48 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -44,7 +44,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot) static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) { - return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : 0; + return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0); } #define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags) diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h index 29c83d85b04f..6ab7c67cb5ab 100644 --- a/arch/powerpc/include/asm/pgtable-ppc32.h +++ b/arch/powerpc/include/asm/pgtable-ppc32.h @@ -431,11 +431,11 @@ extern int icache_44x_need_flush; #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) -#define PAGE_PROT_BITS __pgprot(_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \ - _PAGE_WRITETHRU | _PAGE_ENDIAN | \ - _PAGE_USER | _PAGE_ACCESSED | \ - _PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | \ - _PAGE_EXEC | _PAGE_HWEXEC) +#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \ + _PAGE_WRITETHRU | _PAGE_ENDIAN | \ + _PAGE_USER | _PAGE_ACCESSED | \ + _PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | \ + _PAGE_EXEC | _PAGE_HWEXEC) /* * Note: the _PAGE_COHERENT bit automatically gets set in the hardware * PTE if CONFIG_SMP is defined (hash_page does this); there is no need @@ -570,9 +570,9 @@ static inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |= _PAGE_ACCESSED; return pte; } static inline pte_t pte_mkspecial(pte_t pte) { pte_val(pte) |= _PAGE_SPECIAL; return pte; } -static inline unsigned long pte_pgprot(pte_t pte) +static inline pgprot_t pte_pgprot(pte_t pte) { - return __pgprot(pte_val(pte)) & PAGE_PROT_BITS; + return __pgprot(pte_val(pte) & PAGE_PROT_BITS); } static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) @@ -688,7 +688,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) : "r" (pte) : "memory"); #else - *ptep = (*ptep & _PAGE_HASHPTE) | (pte & ~_PAGE_HASHPTE); + *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE) + | (pte_val(pte) & ~_PAGE_HASHPTE)); #endif } diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 4597c491e9b5..4c0a8c62859d 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -117,10 +117,10 @@ #define PAGE_AGP __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_NO_CACHE) #define HAVE_PAGE_AGP -#define PAGE_PROT_BITS __pgprot(_PAGE_GUARDED | _PAGE_COHERENT | \ - _PAGE_NO_CACHE | _PAGE_WRITETHRU | \ - _PAGE_4K_PFN | _PAGE_RW | _PAGE_USER | \ - _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_EXEC) +#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | \ + _PAGE_NO_CACHE | _PAGE_WRITETHRU | \ + _PAGE_4K_PFN | _PAGE_RW | _PAGE_USER | \ + _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_EXEC) /* PTEIDX nibble */ #define _PTEIDX_SECONDARY 0x8 #define _PTEIDX_GROUP_IX 0x7 @@ -264,9 +264,9 @@ static inline pte_t pte_mkhuge(pte_t pte) { return pte; } static inline pte_t pte_mkspecial(pte_t pte) { pte_val(pte) |= _PAGE_SPECIAL; return pte; } -static inline unsigned long pte_pgprot(pte_t pte) +static inline pgprot_t pte_pgprot(pte_t pte) { - return __pgprot(pte_val(pte)) & PAGE_PROT_BITS; + return __pgprot(pte_val(pte) & PAGE_PROT_BITS); } /* Atomic PTE updates */ diff --git a/arch/powerpc/mm/gup.c b/arch/powerpc/mm/gup.c index 9fdf4d6335e4..28a114db3ba0 100644 --- a/arch/powerpc/mm/gup.c +++ b/arch/powerpc/mm/gup.c @@ -41,7 +41,7 @@ static noinline int gup_pte_range(pmd_t pmd, unsigned long addr, page = pte_page(pte); if (!page_cache_get_speculative(page)) return 0; - if (unlikely(pte != *ptep)) { + if (unlikely(pte_val(pte) != pte_val(*ptep))) { put_page(page); return 0; } @@ -92,7 +92,7 @@ static noinline int gup_huge_pte(pte_t *ptep, struct hstate *hstate, *nr -= refs; return 0; } - if (unlikely(pte != *ptep)) { + if (unlikely(pte_val(pte) != pte_val(*ptep))) { /* Could be optimized better */ while (*nr) { put_page(page); @@ -237,7 +237,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, pgd_t pgd = *pgdp; VM_BUG_ON(shift != mmu_psize_defs[get_slice_psize(mm, addr)].shift); - pr_debug(" %016lx: normal pgd %p\n", addr, (void *)pgd); + pr_debug(" %016lx: normal pgd %p\n", addr, + (void *)pgd_val(pgd)); next = pgd_addr_end(addr, end); if (pgd_none(pgd)) goto slow; diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 09db4efe1921..5c64af174752 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -541,7 +541,7 @@ static unsigned long __init htab_get_table_size(void) void create_section_mapping(unsigned long start, unsigned long end) { BUG_ON(htab_bolt_mapping(start, end, __pa(start), - PAGE_KERNEL, mmu_linear_psize, + pgprot_val(PAGE_KERNEL), mmu_linear_psize, mmu_kernel_ssize)); } @@ -649,7 +649,7 @@ void __init htab_initialize(void) mtspr(SPRN_SDR1, _SDR1); } - prot = PAGE_KERNEL; + prot = pgprot_val(PAGE_KERNEL); #ifdef CONFIG_DEBUG_PAGEALLOC linear_map_hash_count = lmb_end_of_DRAM() >> PAGE_SHIFT; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 036fe2f10c77..3e6a6543f53a 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -228,8 +228,8 @@ int __meminit vmemmap_populate(struct page *start_page, start, p, __pa(p)); mapped = htab_bolt_mapping(start, start + page_size, __pa(p), - PAGE_KERNEL, mmu_vmemmap_psize, - mmu_kernel_ssize); + pgprot_val(PAGE_KERNEL), + mmu_vmemmap_psize, mmu_kernel_ssize); BUG_ON(mapped < 0); } -- GitLab From f56654c435c06f2b2bd5751889b1a08a3add7d6c Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:48 +0800 Subject: [PATCH 4511/6244] ocfs2: Add extent tree operation for xattr value btrees Add some thin wrappers around ocfs2_insert_extent() for each of the 3 different btree types, ocfs2_inode_insert_extent(), ocfs2_xattr_value_insert_extent() and ocfs2_xattr_tree_insert_extent(). The last is for the xattr index btree, which will be used in a followup patch. All the old callers in file.c etc will call ocfs2_dinode_insert_extent(), while the other two handle the xattr issue. And the init of extent tree are handled by these functions. When storing xattr value which is too large, we will allocate some clusters for it and here ocfs2_extent_list and ocfs2_extent_rec will also be used. In order to re-use the b-tree operation code, a new parameter named "private" is added into ocfs2_extent_tree and it is used to indicate the root of ocfs2_exent_list. The reason is that we can't deduce the root from the buffer_head now. It may be in an inode, an ocfs2_xattr_block or even worse, in any place in an ocfs2_xattr_bucket. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/Makefile | 3 +- fs/ocfs2/alloc.c | 184 +++++++++++++++++----- fs/ocfs2/alloc.h | 42 +++-- fs/ocfs2/aops.c | 5 +- fs/ocfs2/cluster/masklog.c | 1 + fs/ocfs2/cluster/masklog.h | 1 + fs/ocfs2/dir.c | 11 +- fs/ocfs2/extent_map.c | 60 ++++++++ fs/ocfs2/extent_map.h | 4 + fs/ocfs2/file.c | 9 +- fs/ocfs2/suballoc.c | 5 +- fs/ocfs2/suballoc.h | 3 +- fs/ocfs2/xattr.c | 305 +++++++++++++++++++++++++++++++++++++ 13 files changed, 569 insertions(+), 64 deletions(-) create mode 100644 fs/ocfs2/xattr.c diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index f6956de56fdb..af63980319c3 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -34,7 +34,8 @@ ocfs2-objs := \ symlink.o \ sysfile.o \ uptodate.o \ - ver.o + ver.o \ + xattr.o \ ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index cacfc118b71c..e45421fee204 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -78,6 +78,7 @@ struct ocfs2_extent_tree { struct ocfs2_extent_tree_operations *eops; struct buffer_head *root_bh; struct ocfs2_extent_list *root_el; + void *private; }; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -136,9 +137,50 @@ static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { .sanity_check = ocfs2_dinode_sanity_check, }; +static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 blkno) +{ + struct ocfs2_xattr_value_root *xv = + (struct ocfs2_xattr_value_root *)et->private; + + xv->xr_last_eb_blk = cpu_to_le64(blkno); +} + +static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_value_root *xv = + (struct ocfs2_xattr_value_root *) et->private; + + return le64_to_cpu(xv->xr_last_eb_blk); +} + +static void ocfs2_xattr_value_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters) +{ + struct ocfs2_xattr_value_root *xv = + (struct ocfs2_xattr_value_root *)et->private; + + le32_add_cpu(&xv->xr_clusters, clusters); +} + +static int ocfs2_xattr_value_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et) +{ + return 0; +} + +static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { + .set_last_eb_blk = ocfs2_xattr_value_set_last_eb_blk, + .get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, + .update_clusters = ocfs2_xattr_value_update_clusters, + .sanity_check = ocfs2_xattr_value_sanity_check, +}; + static struct ocfs2_extent_tree* ocfs2_new_extent_tree(struct buffer_head *bh, - enum ocfs2_extent_tree_type et_type) + enum ocfs2_extent_tree_type et_type, + void *private) { struct ocfs2_extent_tree *et; @@ -149,12 +191,16 @@ static struct ocfs2_extent_tree* et->type = et_type; get_bh(bh); et->root_bh = bh; + et->private = private; - /* current we only support dinode extent. */ - BUG_ON(et->type != OCFS2_DINODE_EXTENT); if (et_type == OCFS2_DINODE_EXTENT) { et->root_el = &((struct ocfs2_dinode *)bh->b_data)->id2.i_list; et->eops = &ocfs2_dinode_et_ops; + } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { + struct ocfs2_xattr_value_root *xv = + (struct ocfs2_xattr_value_root *) private; + et->root_el = &xv->xr_list; + et->eops = &ocfs2_xattr_et_ops; } return et; @@ -495,7 +541,8 @@ struct ocfs2_merge_ctxt { int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct buffer_head *root_bh, - enum ocfs2_extent_tree_type type) + enum ocfs2_extent_tree_type type, + void *private) { int retval; struct ocfs2_extent_list *el = NULL; @@ -517,6 +564,12 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, if (fe->i_last_eb_blk) last_eb_blk = le64_to_cpu(fe->i_last_eb_blk); el = &fe->id2.i_list; + } else if (type == OCFS2_XATTR_VALUE_EXTENT) { + struct ocfs2_xattr_value_root *xv = + (struct ocfs2_xattr_value_root *) private; + + last_eb_blk = le64_to_cpu(xv->xr_last_eb_blk); + el = &xv->xr_list; } if (last_eb_blk) { @@ -4209,33 +4262,25 @@ out: * * The caller needs to update fe->i_clusters */ -int ocfs2_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - enum ocfs2_extent_tree_type et_type) +static int ocfs2_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_extent_tree *et) { int status; int uninitialized_var(free_records); struct buffer_head *last_eb_bh = NULL; struct ocfs2_insert_type insert = {0, }; struct ocfs2_extent_rec rec; - struct ocfs2_extent_tree *et = NULL; BUG_ON(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL); - et = ocfs2_new_extent_tree(root_bh, et_type); - if (!et) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } - mlog(0, "add %u clusters at position %u to inode %llu\n", new_clusters, cpos, (unsigned long long)OCFS2_I(inode)->ip_blkno); @@ -4287,9 +4332,68 @@ bail: if (last_eb_bh) brelse(last_eb_bh); + mlog_exit(status); + return status; +} + +int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac) +{ + int status; + struct ocfs2_extent_tree *et = NULL; + + et = ocfs2_new_extent_tree(root_bh, OCFS2_DINODE_EXTENT, NULL); + if (!et) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + + status = ocfs2_insert_extent(osb, handle, inode, root_bh, + cpos, start_blk, new_clusters, + flags, meta_ac, et); + if (et) ocfs2_free_extent_tree(et); - mlog_exit(status); +bail: + return status; +} + +int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac, + void *private) +{ + int status; + struct ocfs2_extent_tree *et = NULL; + + et = ocfs2_new_extent_tree(root_bh, OCFS2_XATTR_VALUE_EXTENT, private); + if (!et) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + + status = ocfs2_insert_extent(osb, handle, inode, root_bh, + cpos, start_blk, new_clusters, + flags, meta_ac, et); + + if (et) + ocfs2_free_extent_tree(et); +bail: return status; } @@ -4311,7 +4415,8 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type) + enum ocfs2_extent_tree_type type, + void *private) { int status = 0; int free_extents; @@ -4325,7 +4430,8 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type); + free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type, + private); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -4372,9 +4478,16 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, block = ocfs2_clusters_to_blocks(osb->sb, bit_off); mlog(0, "Allocating %u clusters at block %u for inode %llu\n", num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - *logical_offset, block, num_bits, - flags, meta_ac, type); + if (type == OCFS2_DINODE_EXTENT) + status = ocfs2_dinode_insert_extent(osb, handle, inode, root_bh, + *logical_offset, block, + num_bits, flags, meta_ac); + else + status = ocfs2_xattr_value_insert_extent(osb, handle, + inode, root_bh, + *logical_offset, + block, num_bits, flags, + meta_ac, private); if (status < 0) { mlog_errno(status); goto leave; @@ -4655,7 +4768,8 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type) + enum ocfs2_extent_tree_type et_type, + void *private) { int ret, index; u64 start_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys); @@ -4676,7 +4790,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, goto out; } - et = ocfs2_new_extent_tree(root_bh, et_type); + et = ocfs2_new_extent_tree(root_bh, et_type, private); if (!et) { ret = -ENOMEM; mlog_errno(ret); @@ -4964,7 +5078,8 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type) + enum ocfs2_extent_tree_type et_type, + void *private) { int ret, index; u32 rec_range, trunc_range; @@ -4973,7 +5088,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_path *path = NULL; struct ocfs2_extent_tree *et = NULL; - et = ocfs2_new_extent_tree(root_bh, et_type); + et = ocfs2_new_extent_tree(root_bh, et_type, private); if (!et) { ret = -ENOMEM; mlog_errno(ret); @@ -6608,9 +6723,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, * this proves to be false, we could always re-build * the in-inode data from our pages. */ - ret = ocfs2_insert_extent(osb, handle, inode, di_bh, - 0, block, 1, 0, - NULL, OCFS2_DINODE_EXTENT); + ret = ocfs2_dinode_insert_extent(osb, handle, inode, di_bh, + 0, block, 1, 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 5e090c5d8498..ec7baeb2ea7d 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -28,19 +28,29 @@ enum ocfs2_extent_tree_type { OCFS2_DINODE_EXTENT = 0, + OCFS2_XATTR_VALUE_EXTENT, }; struct ocfs2_alloc_context; -int ocfs2_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - enum ocfs2_extent_tree_type et_type); +int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac); +int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac, + void *private); enum ocfs2_alloc_restarted { RESTART_NONE = 0, RESTART_TRANS, @@ -57,22 +67,26 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type); + enum ocfs2_extent_tree_type type, + void *private); struct ocfs2_cached_dealloc_ctxt; int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type); + enum ocfs2_extent_tree_type et_type, + void *private); int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type); + enum ocfs2_extent_tree_type et_type, + void *private); int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct buffer_head *root_bh, - enum ocfs2_extent_tree_type et_type); + enum ocfs2_extent_tree_type et_type, + void *private); /* * how many new metadata chunks would an allocation need at maximum? diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index e7acd2867904..530b1ff599c0 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1279,7 +1279,7 @@ static int ocfs2_write_cluster(struct address_space *mapping, ret = ocfs2_mark_extent_written(inode, wc->w_di_bh, wc->w_handle, cpos, 1, phys, meta_ac, &wc->w_dealloc, - OCFS2_DINODE_EXTENT); + OCFS2_DINODE_EXTENT, NULL); if (ret < 0) { mlog_errno(ret); goto out; @@ -1721,7 +1721,8 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, ret = ocfs2_lock_allocators(inode, wc->w_di_bh, &di->id2.i_list, clusters_to_alloc, extents_to_split, - &data_ac, &meta_ac); + &data_ac, &meta_ac, + OCFS2_DINODE_EXTENT, NULL); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c index 23c732f27529..d8a0cb92cef6 100644 --- a/fs/ocfs2/cluster/masklog.c +++ b/fs/ocfs2/cluster/masklog.c @@ -109,6 +109,7 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = { define_mask(CONN), define_mask(QUORUM), define_mask(EXPORT), + define_mask(XATTR), define_mask(ERROR), define_mask(NOTICE), define_mask(KTHREAD), diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h index 597e064bb94f..57670c680471 100644 --- a/fs/ocfs2/cluster/masklog.h +++ b/fs/ocfs2/cluster/masklog.h @@ -112,6 +112,7 @@ #define ML_CONN 0x0000000004000000ULL /* net connection management */ #define ML_QUORUM 0x0000000008000000ULL /* net connection quorum */ #define ML_EXPORT 0x0000000010000000ULL /* ocfs2 export operations */ +#define ML_XATTR 0x0000000020000000ULL /* ocfs2 extended attributes */ /* bits that are infrequently given and frequently matched in the high word */ #define ML_ERROR 0x0000000100000000ULL /* sent to KERN_ERR */ #define ML_NOTICE 0x0000000200000000ULL /* setn to KERN_NOTICE */ diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index d17c34b0ac6b..5426a02c12bb 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1305,8 +1305,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * This should never fail as our extent list is empty and all * related blocks have been journaled already. */ - ret = ocfs2_insert_extent(osb, handle, dir, di_bh, 0, blkno, len, 0, - NULL, OCFS2_DINODE_EXTENT); + ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 0, blkno, + len, 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1337,8 +1337,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, } blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off); - ret = ocfs2_insert_extent(osb, handle, dir, di_bh, 1, blkno, - len, 0, NULL, OCFS2_DINODE_EXTENT); + ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 1, + blkno, len, 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1482,7 +1482,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, spin_unlock(&OCFS2_I(dir)->ip_lock); num_free_extents = ocfs2_num_free_extents(osb, dir, parent_fe_bh, - OCFS2_DINODE_EXTENT); + OCFS2_DINODE_EXTENT, + NULL); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index aed268e80b49..a7b1cfa735bf 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -551,6 +551,66 @@ static void ocfs2_relative_extent_offsets(struct super_block *sb, *num_clusters = le16_to_cpu(rec->e_leaf_clusters) - coff; } +int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, + u32 *p_cluster, u32 *num_clusters, + struct ocfs2_extent_list *el) +{ + int ret = 0, i; + struct buffer_head *eb_bh = NULL; + struct ocfs2_extent_block *eb; + struct ocfs2_extent_rec *rec; + u32 coff; + + if (el->l_tree_depth) { + ret = ocfs2_find_leaf(inode, el, v_cluster, &eb_bh); + if (ret) { + mlog_errno(ret); + goto out; + } + + eb = (struct ocfs2_extent_block *) eb_bh->b_data; + el = &eb->h_list; + + if (el->l_tree_depth) { + ocfs2_error(inode->i_sb, + "Inode %lu has non zero tree depth in " + "xattr leaf block %llu\n", inode->i_ino, + (unsigned long long)eb_bh->b_blocknr); + ret = -EROFS; + goto out; + } + } + + i = ocfs2_search_extent_list(el, v_cluster); + if (i == -1) { + ret = -EROFS; + mlog_errno(ret); + goto out; + } else { + rec = &el->l_recs[i]; + BUG_ON(v_cluster < le32_to_cpu(rec->e_cpos)); + + if (!rec->e_blkno) { + ocfs2_error(inode->i_sb, "Inode %lu has bad extent " + "record (%u, %u, 0) in xattr", inode->i_ino, + le32_to_cpu(rec->e_cpos), + ocfs2_rec_clusters(el, rec)); + ret = -EROFS; + goto out; + } + coff = v_cluster - le32_to_cpu(rec->e_cpos); + *p_cluster = ocfs2_blocks_to_clusters(inode->i_sb, + le64_to_cpu(rec->e_blkno)); + *p_cluster = *p_cluster + coff; + if (num_clusters) + *num_clusters = ocfs2_rec_clusters(el, rec) - coff; + } +out: + if (eb_bh) + brelse(eb_bh); + return ret; +} + int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, unsigned int *extent_flags) diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index 1b97490e1ea8..1c4aa8b06f34 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -53,4 +53,8 @@ int ocfs2_extent_map_get_blocks(struct inode *inode, u64 v_blkno, u64 *p_blkno, int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 map_start, u64 map_len); +int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, + u32 *p_cluster, u32 *num_clusters, + struct ocfs2_extent_list *el); + #endif /* _EXTENT_MAP_H */ diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 7bb4fde70054..89d8541f85b5 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -515,7 +515,7 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, clusters_to_add, mark_unwritten, fe_bh, el, handle, data_ac, meta_ac, reason_ret, - OCFS2_DINODE_EXTENT); + OCFS2_DINODE_EXTENT, NULL); } static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, @@ -565,7 +565,7 @@ restart_all: clusters_to_add); status = ocfs2_lock_allocators(inode, bh, &fe->id2.i_list, clusters_to_add, 0, &data_ac, - &meta_ac); + &meta_ac, OCFS2_DINODE_EXTENT, NULL); if (status) { mlog_errno(status); goto leave; @@ -1237,7 +1237,8 @@ static int __ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; ret = ocfs2_lock_allocators(inode, di_bh, &di->id2.i_list, - 0, 1, NULL, &meta_ac); + 0, 1, NULL, &meta_ac, + OCFS2_DINODE_EXTENT, NULL); if (ret) { mlog_errno(ret); return ret; @@ -1268,7 +1269,7 @@ static int __ocfs2_remove_inode_range(struct inode *inode, } ret = ocfs2_remove_extent(inode, di_bh, cpos, len, handle, meta_ac, - dealloc, OCFS2_DINODE_EXTENT); + dealloc, OCFS2_DINODE_EXTENT, NULL); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index b642c825fb7c..bb774d70d268 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1909,7 +1909,8 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_extent_list *root_el, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac) + struct ocfs2_alloc_context **meta_ac, + enum ocfs2_extent_tree_type type, void *private) { int ret = 0, num_free_extents; unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; @@ -1922,7 +1923,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, BUG_ON(clusters_to_add != 0 && data_ac == NULL); num_free_extents = ocfs2_num_free_extents(osb, inode, root_bh, - OCFS2_DINODE_EXTENT); + type, private); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index a3e531e62df2..9e026c8afee4 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -166,5 +166,6 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_extent_list *root_el, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac); + struct ocfs2_alloc_context **meta_ac, + enum ocfs2_extent_tree_type type, void *private); #endif /* _CHAINALLOC_H_ */ diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c new file mode 100644 index 000000000000..9604a4cd02bb --- /dev/null +++ b/fs/ocfs2/xattr.c @@ -0,0 +1,305 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * xattr.c + * + * Copyright (C) 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#define MLOG_MASK_PREFIX ML_XATTR +#include + +#include "ocfs2.h" +#include "alloc.h" +#include "dlmglue.h" +#include "file.h" +#include "inode.h" +#include "journal.h" +#include "ocfs2_fs.h" +#include "suballoc.h" +#include "uptodate.h" +#include "buffer_head_io.h" + +static int ocfs2_xattr_extend_allocation(struct inode *inode, + u32 clusters_to_add, + struct buffer_head *xattr_bh, + struct ocfs2_xattr_value_root *xv) +{ + int status = 0; + int restart_func = 0; + int credits = 0; + handle_t *handle = NULL; + struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *meta_ac = NULL; + enum ocfs2_alloc_restarted why; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_extent_list *root_el = &xv->xr_list; + u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); + + mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); + +restart_all: + + status = ocfs2_lock_allocators(inode, xattr_bh, root_el, + clusters_to_add, 0, &data_ac, + &meta_ac, OCFS2_XATTR_VALUE_EXTENT, xv); + if (status) { + mlog_errno(status); + goto leave; + } + + credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + handle = NULL; + mlog_errno(status); + goto leave; + } + +restarted_transaction: + status = ocfs2_journal_access(handle, inode, xattr_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + prev_clusters = le32_to_cpu(xv->xr_clusters); + status = ocfs2_add_clusters_in_btree(osb, + inode, + &logical_start, + clusters_to_add, + 0, + xattr_bh, + root_el, + handle, + data_ac, + meta_ac, + &why, + OCFS2_XATTR_VALUE_EXTENT, + xv); + if ((status < 0) && (status != -EAGAIN)) { + if (status != -ENOSPC) + mlog_errno(status); + goto leave; + } + + status = ocfs2_journal_dirty(handle, xattr_bh); + if (status < 0) { + mlog_errno(status); + goto leave; + } + + clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters; + + if (why != RESTART_NONE && clusters_to_add) { + if (why == RESTART_META) { + mlog(0, "restarting function.\n"); + restart_func = 1; + } else { + BUG_ON(why != RESTART_TRANS); + + mlog(0, "restarting transaction.\n"); + /* TODO: This can be more intelligent. */ + credits = ocfs2_calc_extend_credits(osb->sb, + root_el, + clusters_to_add); + status = ocfs2_extend_trans(handle, credits); + if (status < 0) { + /* handle still has to be committed at + * this point. */ + status = -ENOMEM; + mlog_errno(status); + goto leave; + } + goto restarted_transaction; + } + } + +leave: + if (handle) { + ocfs2_commit_trans(osb, handle); + handle = NULL; + } + if (data_ac) { + ocfs2_free_alloc_context(data_ac); + data_ac = NULL; + } + if (meta_ac) { + ocfs2_free_alloc_context(meta_ac); + meta_ac = NULL; + } + if ((!status) && restart_func) { + restart_func = 0; + goto restart_all; + } + + return status; +} + +static int __ocfs2_remove_xattr_range(struct inode *inode, + struct buffer_head *root_bh, + struct ocfs2_xattr_value_root *xv, + u32 cpos, u32 phys_cpos, u32 len, + struct ocfs2_cached_dealloc_ctxt *dealloc) +{ + int ret; + u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + struct ocfs2_alloc_context *meta_ac = NULL; + + ret = ocfs2_lock_allocators(inode, root_bh, &xv->xr_list, + 0, 1, NULL, &meta_ac, + OCFS2_XATTR_VALUE_EXTENT, xv); + if (ret) { + mlog_errno(ret); + return ret; + } + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, + dealloc, OCFS2_XATTR_VALUE_EXTENT, xv); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + le32_add_cpu(&xv->xr_clusters, -len); + + ret = ocfs2_journal_dirty(handle, root_bh); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); + if (ret) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + mutex_unlock(&tl_inode->i_mutex); + + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + + return ret; +} + +static int ocfs2_xattr_shrink_size(struct inode *inode, + u32 old_clusters, + u32 new_clusters, + struct buffer_head *root_bh, + struct ocfs2_xattr_value_root *xv) +{ + int ret = 0; + u32 trunc_len, cpos, phys_cpos, alloc_size; + u64 block; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_cached_dealloc_ctxt dealloc; + + ocfs2_init_dealloc_ctxt(&dealloc); + + if (old_clusters <= new_clusters) + return 0; + + cpos = new_clusters; + trunc_len = old_clusters - new_clusters; + while (trunc_len) { + ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos, + &alloc_size, &xv->xr_list); + if (ret) { + mlog_errno(ret); + goto out; + } + + if (alloc_size > trunc_len) + alloc_size = trunc_len; + + ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos, + phys_cpos, alloc_size, + &dealloc); + if (ret) { + mlog_errno(ret); + goto out; + } + + block = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); + ocfs2_remove_xattr_clusters_from_cache(inode, block, + alloc_size); + cpos += alloc_size; + trunc_len -= alloc_size; + } + +out: + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &dealloc); + + return ret; +} + +static int ocfs2_xattr_value_truncate(struct inode *inode, + struct buffer_head *root_bh, + struct ocfs2_xattr_value_root *xv, + int len) +{ + int ret; + u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len); + u32 old_clusters = le32_to_cpu(xv->xr_clusters); + + if (new_clusters == old_clusters) + return 0; + + if (new_clusters > old_clusters) + ret = ocfs2_xattr_extend_allocation(inode, + new_clusters - old_clusters, + root_bh, xv); + else + ret = ocfs2_xattr_shrink_size(inode, + old_clusters, new_clusters, + root_bh, xv); + + return ret; +} -- GitLab From fdd77704a8b4666a32120fcd1e4a9fedaf3263d8 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Mon, 18 Aug 2008 17:08:55 +0800 Subject: [PATCH 4512/6244] ocfs2: reserve inline space for extended attribute Add the structures and helper functions we want for handling inline extended attributes. We also update the inline-data handlers so that they properly function in the event that we have both inline data and inline attributes sharing an inode block. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 22 ++++++++++++++++------ fs/ocfs2/ocfs2.h | 1 + fs/ocfs2/ocfs2_fs.h | 46 ++++++++++++++++++++++++++++++++++++++++++--- fs/ocfs2/super.c | 2 ++ 4 files changed, 62 insertions(+), 9 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index e45421fee204..ace27d1ca574 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -6577,20 +6577,29 @@ out: return ret; } -static void ocfs2_zero_dinode_id2(struct inode *inode, struct ocfs2_dinode *di) +static void ocfs2_zero_dinode_id2_with_xattr(struct inode *inode, + struct ocfs2_dinode *di) { unsigned int blocksize = 1 << inode->i_sb->s_blocksize_bits; + unsigned int xattrsize = le16_to_cpu(di->i_xattr_inline_size); - memset(&di->id2, 0, blocksize - offsetof(struct ocfs2_dinode, id2)); + if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_XATTR_FL) + memset(&di->id2, 0, blocksize - + offsetof(struct ocfs2_dinode, id2) - + xattrsize); + else + memset(&di->id2, 0, blocksize - + offsetof(struct ocfs2_dinode, id2)); } void ocfs2_dinode_new_extent_list(struct inode *inode, struct ocfs2_dinode *di) { - ocfs2_zero_dinode_id2(inode, di); + ocfs2_zero_dinode_id2_with_xattr(inode, di); di->id2.i_list.l_tree_depth = 0; di->id2.i_list.l_next_free_rec = 0; - di->id2.i_list.l_count = cpu_to_le16(ocfs2_extent_recs_per_inode(inode->i_sb)); + di->id2.i_list.l_count = cpu_to_le16( + ocfs2_extent_recs_per_inode_with_xattr(inode->i_sb, di)); } void ocfs2_set_inode_data_inline(struct inode *inode, struct ocfs2_dinode *di) @@ -6607,9 +6616,10 @@ void ocfs2_set_inode_data_inline(struct inode *inode, struct ocfs2_dinode *di) * We clear the entire i_data structure here so that all * fields can be properly initialized. */ - ocfs2_zero_dinode_id2(inode, di); + ocfs2_zero_dinode_id2_with_xattr(inode, di); - idata->id_count = cpu_to_le16(ocfs2_max_inline_data(inode->i_sb)); + idata->id_count = cpu_to_le16( + ocfs2_max_inline_data_with_xattr(inode->i_sb, di)); } int ocfs2_convert_inline_data_to_extents(struct inode *inode, diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 128279986d65..ce75ca312a2d 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -245,6 +245,7 @@ struct ocfs2_super int s_sectsize_bits; int s_clustersize; int s_clustersize_bits; + unsigned int s_xattr_inline_size; atomic_t vol_state; struct mutex recovery_lock; diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 1b46505e1e36..1055ba0af9bb 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -300,6 +300,12 @@ struct ocfs2_new_group_input { */ #define OCFS2_DEFAULT_LOCAL_ALLOC_SIZE 8 +/* + * Inline extended attribute size (in bytes) + * The value chosen should be aligned to 16 byte boundaries. + */ +#define OCFS2_MIN_XATTR_INLINE_SIZE 256 + struct ocfs2_system_inode_info { char *si_name; int si_iflags; @@ -622,7 +628,8 @@ struct ocfs2_dinode { belongs to */ __le16 i_suballoc_bit; /* Bit offset in suballocator block group */ -/*10*/ __le32 i_reserved0; +/*10*/ __le16 i_reserved0; + __le16 i_xattr_inline_size; __le32 i_clusters; /* Cluster count */ __le32 i_uid; /* Owner UID */ __le32 i_gid; /* Owning GID */ @@ -641,11 +648,12 @@ struct ocfs2_dinode { __le32 i_atime_nsec; __le32 i_ctime_nsec; __le32 i_mtime_nsec; - __le32 i_attr; +/*70*/ __le32 i_attr; __le16 i_orphaned_slot; /* Only valid when OCFS2_ORPHANED_FL was set in i_flags */ __le16 i_dyn_features; -/*70*/ __le64 i_reserved2[8]; + __le64 i_xattr_loc; +/*80*/ __le64 i_reserved2[7]; /*B8*/ union { __le64 i_pad1; /* Generic way to refer to this 64bit union */ @@ -846,6 +854,20 @@ static inline int ocfs2_max_inline_data(struct super_block *sb) offsetof(struct ocfs2_dinode, id2.i_data.id_data); } +static inline int ocfs2_max_inline_data_with_xattr(struct super_block *sb, + struct ocfs2_dinode *di) +{ + unsigned int xattrsize = le16_to_cpu(di->i_xattr_inline_size); + + if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_XATTR_FL) + return sb->s_blocksize - + offsetof(struct ocfs2_dinode, id2.i_data.id_data) - + xattrsize; + else + return sb->s_blocksize - + offsetof(struct ocfs2_dinode, id2.i_data.id_data); +} + static inline int ocfs2_extent_recs_per_inode(struct super_block *sb) { int size; @@ -856,6 +878,24 @@ static inline int ocfs2_extent_recs_per_inode(struct super_block *sb) return size / sizeof(struct ocfs2_extent_rec); } +static inline int ocfs2_extent_recs_per_inode_with_xattr( + struct super_block *sb, + struct ocfs2_dinode *di) +{ + int size; + unsigned int xattrsize = le16_to_cpu(di->i_xattr_inline_size); + + if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_XATTR_FL) + size = sb->s_blocksize - + offsetof(struct ocfs2_dinode, id2.i_list.l_recs) - + xattrsize; + else + size = sb->s_blocksize - + offsetof(struct ocfs2_dinode, id2.i_list.l_recs); + + return size / sizeof(struct ocfs2_extent_rec); +} + static inline int ocfs2_chain_recs_per_inode(struct super_block *sb) { int size; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index a2d3dcf70252..9bdb3aeefe89 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1424,6 +1424,8 @@ static int ocfs2_initialize_super(struct super_block *sb, osb->slot_num = OCFS2_INVALID_SLOT; + osb->s_xattr_inline_size = OCFS2_MIN_XATTR_INLINE_SIZE; + osb->local_alloc_state = OCFS2_LA_UNUSED; osb->local_alloc_bh = NULL; INIT_DELAYED_WORK(&osb->la_enable_wq, ocfs2_la_enable_worker); -- GitLab From cf1d6c763fbcb115263114302485ad17e7933d87 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Mon, 18 Aug 2008 17:11:00 +0800 Subject: [PATCH 4513/6244] ocfs2: Add extended attribute support This patch implements storing extended attributes both in inode or a single external block. We only store EA's in-inode when blocksize > 512 or that inode block has free space for it. When an EA's value is larger than 80 bytes, we will store the value via b-tree outside inode or block. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh --- fs/ocfs2/Makefile | 2 + fs/ocfs2/file.c | 5 + fs/ocfs2/inode.c | 8 + fs/ocfs2/inode.h | 3 + fs/ocfs2/journal.h | 10 + fs/ocfs2/namei.c | 5 + fs/ocfs2/ocfs2.h | 2 + fs/ocfs2/ocfs2_fs.h | 8 +- fs/ocfs2/suballoc.c | 17 +- fs/ocfs2/suballoc.h | 3 + fs/ocfs2/super.c | 14 + fs/ocfs2/symlink.c | 9 + fs/ocfs2/xattr.c | 1620 ++++++++++++++++++++++++++++++++++++++ fs/ocfs2/xattr.h | 51 ++ fs/ocfs2/xattr_trusted.c | 82 ++ fs/ocfs2/xattr_user.c | 94 +++ 16 files changed, 1927 insertions(+), 6 deletions(-) create mode 100644 fs/ocfs2/xattr.h create mode 100644 fs/ocfs2/xattr_trusted.c create mode 100644 fs/ocfs2/xattr_user.c diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index af63980319c3..21323da40855 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -36,6 +36,8 @@ ocfs2-objs := \ uptodate.o \ ver.o \ xattr.o \ + xattr_user.o \ + xattr_trusted.o ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 89d8541f85b5..f4273c2c2095 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -55,6 +55,7 @@ #include "mmap.h" #include "suballoc.h" #include "super.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -2070,6 +2071,10 @@ const struct inode_operations ocfs2_file_iops = { .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, .permission = ocfs2_permission, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .listxattr = ocfs2_listxattr, + .removexattr = generic_removexattr, .fallocate = ocfs2_fallocate, .fiemap = ocfs2_fiemap, }; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 99f012a0f207..4738dd25bb94 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -49,6 +49,7 @@ #include "symlink.h" #include "sysfile.h" #include "uptodate.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -741,6 +742,13 @@ static int ocfs2_wipe_inode(struct inode *inode, goto bail_unlock_dir; } + /*Free extended attribute resources associated with this inode.*/ + status = ocfs2_xattr_remove(inode, di_bh); + if (status < 0) { + mlog_errno(status); + goto bail_unlock_dir; + } + status = ocfs2_remove_inode(inode, di_bh, orphan_dir_inode, orphan_dir_bh); if (status < 0) diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index 390a85596aa0..499bc62e758b 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -40,6 +40,9 @@ struct ocfs2_inode_info /* protects allocation changes on this inode. */ struct rw_semaphore ip_alloc_sem; + /* protects extended attribute changes on this inode */ + struct rw_semaphore ip_xattr_sem; + /* These fields are protected by ip_lock */ spinlock_t ip_lock; u32 ip_open_count; diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 9485f8037d9b..08d1add14872 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -283,6 +283,9 @@ int ocfs2_journal_dirty_data(handle_t *handle, /* simple file updates like chmod, etc. */ #define OCFS2_INODE_UPDATE_CREDITS 1 +/* extended attribute block update */ +#define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1 + /* group extend. inode update and last group update. */ #define OCFS2_GROUP_EXTEND_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) @@ -340,6 +343,13 @@ int ocfs2_journal_dirty_data(handle_t *handle, #define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3 \ + OCFS2_UNLINK_CREDITS) +/* global bitmap dinode, group desc., relinked group, + * suballocator dinode, group desc., relinked group, + * dinode, xattr block */ +#define OCFS2_XATTR_BLOCK_CREATE_CREDITS (OCFS2_SUBALLOC_ALLOC * 2 + \ + + OCFS2_INODE_UPDATE_CREDITS \ + + OCFS2_XATTR_BLOCK_UPDATE_CREDITS) + /* * Please note that the caller must make sure that root_el is the root * of extent tree. So for an inode, it should be &fe->id2.i_list. Otherwise diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 2cd6f501755e..76d1d1314308 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -60,6 +60,7 @@ #include "symlink.h" #include "sysfile.h" #include "uptodate.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -1918,4 +1919,8 @@ const struct inode_operations ocfs2_dir_iops = { .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, .permission = ocfs2_permission, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .listxattr = ocfs2_listxattr, + .removexattr = generic_removexattr, }; diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index ce75ca312a2d..cae0dd4b7f75 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -188,6 +188,7 @@ enum ocfs2_mount_options OCFS2_MOUNT_ERRORS_PANIC = 1 << 3, /* Panic on errors */ OCFS2_MOUNT_DATA_WRITEBACK = 1 << 4, /* No data ordering */ OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */ + OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */ }; #define OCFS2_OSB_SOFT_RO 0x0001 @@ -218,6 +219,7 @@ struct ocfs2_super u32 bitmap_cpg; u8 *uuid; char *uuid_str; + u32 uuid_hash; u8 *vol_label; u64 first_cluster_group_blkno; u32 fs_generation; diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 1055ba0af9bb..98e1f8bba0e1 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -570,7 +570,7 @@ struct ocfs2_super_block { /*40*/ __le16 s_max_slots; /* Max number of simultaneous mounts before tunefs required */ __le16 s_tunefs_flag; - __le32 s_reserved1; + __le32 s_uuid_hash; /* hash value of uuid */ __le64 s_first_cluster_group; /* Block offset of 1st cluster * group header */ /*50*/ __u8 s_label[OCFS2_MAX_VOL_LABEL_LEN]; /* Label for mounting, etc. */ @@ -787,7 +787,11 @@ struct ocfs2_xattr_tree_root { /*10*/ struct ocfs2_extent_list xt_list; /* Extent record list */ }; -#define OCFS2_XATTR_INDEXED 0x1 +#define OCFS2_XATTR_INDEXED 0x1 +#define OCFS2_HASH_SHIFT 5 +#define OCFS2_XATTR_ROUND 3 +#define OCFS2_XATTR_SIZE(size) (((size) + OCFS2_XATTR_ROUND) & \ + ~(OCFS2_XATTR_ROUND)) /* * On disk structure for xattr block. diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index bb774d70d268..f1871ca83815 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -493,9 +493,9 @@ bail: return status; } -int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, - struct ocfs2_extent_list *root_el, - struct ocfs2_alloc_context **ac) +int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb, + int blocks, + struct ocfs2_alloc_context **ac) { int status; u32 slot; @@ -507,7 +507,7 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, goto bail; } - (*ac)->ac_bits_wanted = ocfs2_extend_meta_needed(root_el); + (*ac)->ac_bits_wanted = blocks; (*ac)->ac_which = OCFS2_AC_USE_META; slot = osb->slot_num; (*ac)->ac_group_search = ocfs2_block_group_search; @@ -532,6 +532,15 @@ bail: return status; } +int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, + struct ocfs2_extent_list *root_el, + struct ocfs2_alloc_context **ac) +{ + return ocfs2_reserve_new_metadata_blocks(osb, + ocfs2_extend_meta_needed(root_el), + ac); +} + static int ocfs2_steal_inode_from_other_nodes(struct ocfs2_super *osb, struct ocfs2_alloc_context *ac) { diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 9e026c8afee4..028fd633b44e 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -67,6 +67,9 @@ static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac) int ocfs2_reserve_new_metadata(struct ocfs2_super *osb, struct ocfs2_extent_list *root_el, struct ocfs2_alloc_context **ac); +int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb, + int blocks, + struct ocfs2_alloc_context **ac); int ocfs2_reserve_new_inode(struct ocfs2_super *osb, struct ocfs2_alloc_context **ac); int ocfs2_reserve_clusters(struct ocfs2_super *osb, diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 9bdb3aeefe89..3b04f5d2e896 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -64,6 +64,7 @@ #include "sysfile.h" #include "uptodate.h" #include "ver.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -154,6 +155,8 @@ enum { Opt_localalloc, Opt_localflocks, Opt_stack, + Opt_user_xattr, + Opt_nouser_xattr, Opt_err, }; @@ -173,6 +176,8 @@ static const match_table_t tokens = { {Opt_localalloc, "localalloc=%d"}, {Opt_localflocks, "localflocks"}, {Opt_stack, "cluster_stack=%s"}, + {Opt_user_xattr, "user_xattr"}, + {Opt_nouser_xattr, "nouser_xattr"}, {Opt_err, NULL} }; @@ -848,6 +853,12 @@ static int ocfs2_parse_options(struct super_block *sb, case Opt_data_writeback: mopt->mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK; break; + case Opt_user_xattr: + mopt->mount_opt &= ~OCFS2_MOUNT_NOUSERXATTR; + break; + case Opt_nouser_xattr: + mopt->mount_opt |= OCFS2_MOUNT_NOUSERXATTR; + break; case Opt_atime_quantum: if (match_int(&args[0], &option)) { status = 0; @@ -1135,6 +1146,7 @@ static void ocfs2_inode_init_once(void *data) oi->ip_dir_start_lookup = 0; init_rwsem(&oi->ip_alloc_sem); + init_rwsem(&oi->ip_xattr_sem); mutex_init(&oi->ip_io_mutex); oi->ip_blkno = 0ULL; @@ -1378,6 +1390,7 @@ static int ocfs2_initialize_super(struct super_block *sb, sb->s_fs_info = osb; sb->s_op = &ocfs2_sops; sb->s_export_op = &ocfs2_export_ops; + sb->s_xattr = ocfs2_xattr_handlers; sb->s_time_gran = 1; sb->s_flags |= MS_NOATIME; /* this is needed to support O_LARGEFILE */ @@ -1574,6 +1587,7 @@ static int ocfs2_initialize_super(struct super_block *sb, osb->first_cluster_group_blkno = le64_to_cpu(di->id2.i_super.s_first_cluster_group); osb->fs_generation = le32_to_cpu(di->i_fs_generation); + osb->uuid_hash = le32_to_cpu(di->id2.i_super.s_uuid_hash); mlog(0, "vol_label: %s\n", osb->vol_label); mlog(0, "uuid: %s\n", osb->uuid_str); mlog(0, "root_blkno=%llu, system_dir_blkno=%llu\n", diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index ba9dbb51d25b..8c5879c7f846 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -50,6 +50,7 @@ #include "inode.h" #include "journal.h" #include "symlink.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -168,10 +169,18 @@ const struct inode_operations ocfs2_symlink_inode_operations = { .follow_link = ocfs2_follow_link, .getattr = ocfs2_getattr, .setattr = ocfs2_setattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .listxattr = ocfs2_listxattr, + .removexattr = generic_removexattr, }; const struct inode_operations ocfs2_fast_symlink_inode_operations = { .readlink = ocfs2_readlink, .follow_link = ocfs2_follow_link, .getattr = ocfs2_getattr, .setattr = ocfs2_setattr, + .setxattr = generic_setxattr, + .getxattr = generic_getxattr, + .listxattr = ocfs2_listxattr, + .removexattr = generic_removexattr, }; diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9604a4cd02bb..67bebd9259e7 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -5,6 +5,9 @@ * * Copyright (C) 2008 Oracle. All rights reserved. * + * CREDITS: + * Lots of code in this file is taken from ext3. + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either @@ -21,6 +24,19 @@ * Boston, MA 021110-1307, USA. */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + #define MLOG_MASK_PREFIX ML_XATTR #include @@ -28,12 +44,119 @@ #include "alloc.h" #include "dlmglue.h" #include "file.h" +#include "symlink.h" +#include "sysfile.h" #include "inode.h" #include "journal.h" #include "ocfs2_fs.h" #include "suballoc.h" #include "uptodate.h" #include "buffer_head_io.h" +#include "xattr.h" + + +struct ocfs2_xattr_def_value_root { + struct ocfs2_xattr_value_root xv; + struct ocfs2_extent_rec er; +}; + +#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) +#define OCFS2_XATTR_INLINE_SIZE 80 + +static struct ocfs2_xattr_def_value_root def_xv = { + .xv.xr_list.l_count = cpu_to_le16(1), +}; + +struct xattr_handler *ocfs2_xattr_handlers[] = { + &ocfs2_xattr_user_handler, + &ocfs2_xattr_trusted_handler, + NULL +}; + +static struct xattr_handler *ocfs2_xattr_handler_map[] = { + [OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler, + [OCFS2_XATTR_INDEX_TRUSTED] = &ocfs2_xattr_trusted_handler, +}; + +struct ocfs2_xattr_info { + int name_index; + const char *name; + const void *value; + size_t value_len; +}; + +struct ocfs2_xattr_search { + struct buffer_head *inode_bh; + /* + * xattr_bh point to the block buffer head which has extended attribute + * when extended attribute in inode, xattr_bh is equal to inode_bh. + */ + struct buffer_head *xattr_bh; + struct ocfs2_xattr_header *header; + void *base; + void *end; + struct ocfs2_xattr_entry *here; + int not_found; +}; + +static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) +{ + struct xattr_handler *handler = NULL; + + if (name_index > 0 && name_index < OCFS2_XATTR_MAX) + handler = ocfs2_xattr_handler_map[name_index]; + + return handler; +} + +static inline u32 ocfs2_xattr_name_hash(struct inode *inode, + char *prefix, + int prefix_len, + char *name, + int name_len) +{ + /* Get hash value of uuid from super block */ + u32 hash = OCFS2_SB(inode->i_sb)->uuid_hash; + int i; + + /* hash extended attribute prefix */ + for (i = 0; i < prefix_len; i++) { + hash = (hash << OCFS2_HASH_SHIFT) ^ + (hash >> (8*sizeof(hash) - OCFS2_HASH_SHIFT)) ^ + *prefix++; + } + /* hash extended attribute name */ + for (i = 0; i < name_len; i++) { + hash = (hash << OCFS2_HASH_SHIFT) ^ + (hash >> (8*sizeof(hash) - OCFS2_HASH_SHIFT)) ^ + *name++; + } + + return hash; +} + +/* + * ocfs2_xattr_hash_entry() + * + * Compute the hash of an extended attribute. + */ +static void ocfs2_xattr_hash_entry(struct inode *inode, + struct ocfs2_xattr_header *header, + struct ocfs2_xattr_entry *entry) +{ + u32 hash = 0; + struct xattr_handler *handler = + ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); + char *prefix = handler->prefix; + char *name = (char *)header + le16_to_cpu(entry->xe_name_offset); + int prefix_len = strlen(handler->prefix); + + hash = ocfs2_xattr_name_hash(inode, prefix, prefix_len, name, + entry->xe_name_len); + entry->xe_name_hash = cpu_to_le32(hash); + + return; +} static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, @@ -303,3 +426,1500 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, return ret; } + +static int ocfs2_xattr_list_entries(struct inode *inode, + struct ocfs2_xattr_header *header, + char *buffer, size_t buffer_size) +{ + size_t rest = buffer_size; + int i; + + for (i = 0 ; i < le16_to_cpu(header->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; + struct xattr_handler *handler = + ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); + + if (handler) { + size_t size = handler->list(inode, buffer, rest, + ((char *)header + + le16_to_cpu(entry->xe_name_offset)), + entry->xe_name_len); + if (buffer) { + if (size > rest) + return -ERANGE; + buffer += size; + } + rest -= size; + } + } + + return buffer_size - rest; +} + +static int ocfs2_xattr_ibody_list(struct inode *inode, + struct ocfs2_dinode *di, + char *buffer, + size_t buffer_size) +{ + struct ocfs2_xattr_header *header = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(inode); + int ret = 0; + + if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) + return ret; + + header = (struct ocfs2_xattr_header *) + ((void *)di + inode->i_sb->s_blocksize - + le16_to_cpu(di->i_xattr_inline_size)); + + ret = ocfs2_xattr_list_entries(inode, header, buffer, buffer_size); + + return ret; +} + +static int ocfs2_xattr_block_list(struct inode *inode, + struct ocfs2_dinode *di, + char *buffer, + size_t buffer_size) +{ + struct buffer_head *blk_bh = NULL; + struct ocfs2_xattr_header *header = NULL; + int ret = 0; + + if (!di->i_xattr_loc) + return ret; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + le64_to_cpu(di->i_xattr_loc), + &blk_bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + /*Verify the signature of xattr block*/ + if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, + strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { + ret = -EFAULT; + goto cleanup; + } + + header = &((struct ocfs2_xattr_block *)blk_bh->b_data)-> + xb_attrs.xb_header; + + ret = ocfs2_xattr_list_entries(inode, header, buffer, buffer_size); +cleanup: + brelse(blk_bh); + + return ret; +} + +ssize_t ocfs2_listxattr(struct dentry *dentry, + char *buffer, + size_t size) +{ + int ret = 0, i_ret = 0, b_ret = 0; + struct buffer_head *di_bh = NULL; + struct ocfs2_dinode *di = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(dentry->d_inode); + + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) + return ret; + + ret = ocfs2_inode_lock(dentry->d_inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + + di = (struct ocfs2_dinode *)di_bh->b_data; + + down_read(&oi->ip_xattr_sem); + i_ret = ocfs2_xattr_ibody_list(dentry->d_inode, di, buffer, size); + if (i_ret < 0) + b_ret = 0; + else { + if (buffer) { + buffer += i_ret; + size -= i_ret; + } + b_ret = ocfs2_xattr_block_list(dentry->d_inode, di, + buffer, size); + if (b_ret < 0) + i_ret = 0; + } + up_read(&oi->ip_xattr_sem); + ocfs2_inode_unlock(dentry->d_inode, 0); + + brelse(di_bh); + + return i_ret + b_ret; +} + +static int ocfs2_xattr_find_entry(int name_index, + const char *name, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_xattr_entry *entry; + size_t name_len; + int i, cmp = 1; + + if (name == NULL) + return -EINVAL; + + name_len = strlen(name); + entry = xs->here; + for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + cmp = name_index - ocfs2_xattr_get_type(entry); + if (!cmp) + cmp = name_len - entry->xe_name_len; + if (!cmp) + cmp = memcmp(name, (xs->base + + le16_to_cpu(entry->xe_name_offset)), + name_len); + if (cmp == 0) + break; + entry += 1; + } + xs->here = entry; + + return cmp ? -ENODATA : 0; +} + +static int ocfs2_xattr_get_value_outside(struct inode *inode, + struct ocfs2_xattr_search *xs, + void *buffer, + size_t len) +{ + u32 cpos, p_cluster, num_clusters, bpc, clusters; + u64 blkno; + int i, ret = 0; + size_t cplen, blocksize; + struct buffer_head *bh = NULL; + struct ocfs2_xattr_value_root *xv; + struct ocfs2_extent_list *el; + + xv = (struct ocfs2_xattr_value_root *) + (xs->base + le16_to_cpu(xs->here->xe_name_offset) + + OCFS2_XATTR_SIZE(xs->here->xe_name_len)); + el = &xv->xr_list; + clusters = le32_to_cpu(xv->xr_clusters); + bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + blocksize = inode->i_sb->s_blocksize; + + cpos = 0; + while (cpos < clusters) { + ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster, + &num_clusters, el); + if (ret) { + mlog_errno(ret); + goto out; + } + + blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); + /* Copy ocfs2_xattr_value */ + for (i = 0; i < num_clusters * bpc; i++, blkno++) { + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, + &bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + cplen = len >= blocksize ? blocksize : len; + memcpy(buffer, bh->b_data, cplen); + len -= cplen; + buffer += cplen; + + brelse(bh); + bh = NULL; + if (len == 0) + break; + } + cpos += num_clusters; + } +out: + return ret; +} + +static int ocfs2_xattr_ibody_get(struct inode *inode, + int name_index, + const char *name, + void *buffer, + size_t buffer_size, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + size_t size; + int ret = 0; + + if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) + return -ENODATA; + + xs->end = (void *)di + inode->i_sb->s_blocksize; + xs->header = (struct ocfs2_xattr_header *) + (xs->end - le16_to_cpu(di->i_xattr_inline_size)); + xs->base = (void *)xs->header; + xs->here = xs->header->xh_entries; + + ret = ocfs2_xattr_find_entry(name_index, name, xs); + if (ret) + return ret; + size = le64_to_cpu(xs->here->xe_value_size); + if (buffer) { + if (size > buffer_size) + return -ERANGE; + if (ocfs2_xattr_is_local(xs->here)) { + memcpy(buffer, (void *)xs->base + + le16_to_cpu(xs->here->xe_name_offset) + + OCFS2_XATTR_SIZE(xs->here->xe_name_len), size); + } else { + ret = ocfs2_xattr_get_value_outside(inode, xs, + buffer, size); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + } + } + + return size; +} + +static int ocfs2_xattr_block_get(struct inode *inode, + int name_index, + const char *name, + void *buffer, + size_t buffer_size, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + struct buffer_head *blk_bh = NULL; + struct ocfs2_xattr_block *xb; + size_t size; + int ret = -ENODATA; + + if (!di->i_xattr_loc) + return ret; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + le64_to_cpu(di->i_xattr_loc), + &blk_bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + /*Verify the signature of xattr block*/ + if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, + strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { + ret = -EFAULT; + goto cleanup; + } + + xs->xattr_bh = blk_bh; + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; + xs->header = &xb->xb_attrs.xb_header; + xs->base = (void *)xs->header; + xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; + xs->here = xs->header->xh_entries; + + ret = ocfs2_xattr_find_entry(name_index, name, xs); + if (ret) + goto cleanup; + size = le64_to_cpu(xs->here->xe_value_size); + if (buffer) { + ret = -ERANGE; + if (size > buffer_size) + goto cleanup; + if (ocfs2_xattr_is_local(xs->here)) { + memcpy(buffer, (void *)xs->base + + le16_to_cpu(xs->here->xe_name_offset) + + OCFS2_XATTR_SIZE(xs->here->xe_name_len), size); + } else { + ret = ocfs2_xattr_get_value_outside(inode, xs, + buffer, size); + if (ret < 0) { + mlog_errno(ret); + goto cleanup; + } + } + } + ret = size; +cleanup: + brelse(blk_bh); + + return ret; +} + +/* ocfs2_xattr_get() + * + * Copy an extended attribute into the buffer provided. + * Buffer is NULL to compute the size of buffer required. + */ +int ocfs2_xattr_get(struct inode *inode, + int name_index, + const char *name, + void *buffer, + size_t buffer_size) +{ + int ret; + struct ocfs2_dinode *di = NULL; + struct buffer_head *di_bh = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_xattr_search xis = { + .not_found = -ENODATA, + }; + struct ocfs2_xattr_search xbs = { + .not_found = -ENODATA, + }; + + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) + ret = -ENODATA; + + ret = ocfs2_inode_lock(inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + xis.inode_bh = xbs.inode_bh = di_bh; + di = (struct ocfs2_dinode *)di_bh->b_data; + + down_read(&oi->ip_xattr_sem); + ret = ocfs2_xattr_ibody_get(inode, name_index, name, buffer, + buffer_size, &xis); + if (ret == -ENODATA) + ret = ocfs2_xattr_block_get(inode, name_index, name, buffer, + buffer_size, &xbs); + up_read(&oi->ip_xattr_sem); + ocfs2_inode_unlock(inode, 0); + + brelse(di_bh); + + return ret; +} + +static int __ocfs2_xattr_set_value_outside(struct inode *inode, + struct ocfs2_xattr_value_root *xv, + const void *value, + int value_len) +{ + int ret = 0, i, cp_len, credits; + u16 blocksize = inode->i_sb->s_blocksize; + u32 p_cluster, num_clusters; + u32 cpos = 0, bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len); + u64 blkno; + struct buffer_head *bh = NULL; + handle_t *handle; + + BUG_ON(clusters > le32_to_cpu(xv->xr_clusters)); + + credits = clusters * bpc; + handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + + while (cpos < clusters) { + ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster, + &num_clusters, &xv->xr_list); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); + + for (i = 0; i < num_clusters * bpc; i++, blkno++) { + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, + &bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_journal_access(handle, + inode, + bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + cp_len = value_len > blocksize ? blocksize : value_len; + memcpy(bh->b_data, value, cp_len); + value_len -= cp_len; + value += cp_len; + if (cp_len < blocksize) + memset(bh->b_data + cp_len, 0, + blocksize - cp_len); + + ret = ocfs2_journal_dirty(handle, bh); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + brelse(bh); + bh = NULL; + + /* + * XXX: do we need to empty all the following + * blocks in this cluster? + */ + if (!value_len) + break; + } + cpos += num_clusters; + } +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + brelse(bh); + + return ret; +} + +static int ocfs2_xattr_cleanup(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + size_t offs) +{ + handle_t *handle = NULL; + int ret = 0; + size_t name_len = strlen(xi->name); + void *val = xs->base + offs; + size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), + OCFS2_XATTR_BLOCK_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + /* Decrease xattr count */ + le16_add_cpu(&xs->header->xh_count, -1); + /* Remove the xattr entry and tree root which has already be set*/ + memset((void *)xs->here, 0, sizeof(struct ocfs2_xattr_entry)); + memset(val, 0, size); + + ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + if (ret < 0) + mlog_errno(ret); +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + return ret; +} + +static int ocfs2_xattr_update_entry(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + size_t offs) +{ + handle_t *handle = NULL; + int ret = 0; + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), + OCFS2_XATTR_BLOCK_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + xs->here->xe_name_offset = cpu_to_le16(offs); + xs->here->xe_value_size = cpu_to_le64(xi->value_len); + if (xi->value_len <= OCFS2_XATTR_INLINE_SIZE) + ocfs2_xattr_set_local(xs->here, 1); + else + ocfs2_xattr_set_local(xs->here, 0); + ocfs2_xattr_hash_entry(inode, xs->header, xs->here); + + ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + if (ret < 0) + mlog_errno(ret); +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + return ret; +} + +/* + * ocfs2_xattr_set_value_outside() + * + * Set large size value in B tree. + */ +static int ocfs2_xattr_set_value_outside(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + size_t offs) +{ + size_t name_len = strlen(xi->name); + void *val = xs->base + offs; + struct ocfs2_xattr_value_root *xv = NULL; + size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; + int ret = 0; + + memset(val, 0, size); + memcpy(val, xi->name, name_len); + xv = (struct ocfs2_xattr_value_root *) + (val + OCFS2_XATTR_SIZE(name_len)); + xv->xr_clusters = 0; + xv->xr_last_eb_blk = 0; + xv->xr_list.l_tree_depth = 0; + xv->xr_list.l_count = cpu_to_le16(1); + xv->xr_list.l_next_free_rec = 0; + + ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, + xi->value_len); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value, + xi->value_len); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + ret = ocfs2_xattr_update_entry(inode, xi, xs, offs); + if (ret < 0) + mlog_errno(ret); + + return ret; +} + +/* + * ocfs2_xattr_set_entry_local() + * + * Set, replace or remove extended attribute in local. + */ +static void ocfs2_xattr_set_entry_local(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_entry *last, + size_t min_offs) +{ + size_t name_len = strlen(xi->name); + int i; + + if (xi->value && xs->not_found) { + /* Insert the new xattr entry. */ + le16_add_cpu(&xs->header->xh_count, 1); + ocfs2_xattr_set_type(last, xi->name_index); + ocfs2_xattr_set_local(last, 1); + last->xe_name_len = name_len; + } else { + void *first_val; + void *val; + size_t offs, size; + + first_val = xs->base + min_offs; + offs = le16_to_cpu(xs->here->xe_name_offset); + val = xs->base + offs; + + if (le64_to_cpu(xs->here->xe_value_size) > + OCFS2_XATTR_INLINE_SIZE) + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_ROOT_SIZE; + else + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size)); + + if (xi->value && size == OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(xi->value_len)) { + /* The old and the new value have the + same size. Just replace the value. */ + ocfs2_xattr_set_local(xs->here, 1); + xs->here->xe_value_size = cpu_to_le64(xi->value_len); + /* Clear value bytes. */ + memset(val + OCFS2_XATTR_SIZE(name_len), + 0, + OCFS2_XATTR_SIZE(xi->value_len)); + memcpy(val + OCFS2_XATTR_SIZE(name_len), + xi->value, + xi->value_len); + return; + } + /* Remove the old name+value. */ + memmove(first_val + size, first_val, val - first_val); + memset(first_val, 0, size); + xs->here->xe_name_hash = 0; + xs->here->xe_name_offset = 0; + ocfs2_xattr_set_local(xs->here, 1); + xs->here->xe_value_size = 0; + + min_offs += size; + + /* Adjust all value offsets. */ + last = xs->header->xh_entries; + for (i = 0 ; i < le16_to_cpu(xs->header->xh_count); i++) { + size_t o = le16_to_cpu(last->xe_name_offset); + + if (o < offs) + last->xe_name_offset = cpu_to_le16(o + size); + last += 1; + } + + if (!xi->value) { + /* Remove the old entry. */ + last -= 1; + memmove(xs->here, xs->here + 1, + (void *)last - (void *)xs->here); + memset(last, 0, sizeof(struct ocfs2_xattr_entry)); + le16_add_cpu(&xs->header->xh_count, -1); + } + } + if (xi->value) { + /* Insert the new name+value. */ + size_t size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(xi->value_len); + void *val = xs->base + min_offs - size; + + xs->here->xe_name_offset = cpu_to_le16(min_offs - size); + memset(val, 0, size); + memcpy(val, xi->name, name_len); + memcpy(val + OCFS2_XATTR_SIZE(name_len), + xi->value, + xi->value_len); + xs->here->xe_value_size = cpu_to_le64(xi->value_len); + ocfs2_xattr_set_local(xs->here, 1); + ocfs2_xattr_hash_entry(inode, xs->header, xs->here); + } + + return; +} + +/* + * ocfs2_xattr_set_entry() + * + * Set extended attribute entry into inode or block. + * + * If extended attribute value size > OCFS2_XATTR_INLINE_SIZE, + * We first insert tree root(ocfs2_xattr_value_root) with set_entry_local(), + * then set value in B tree with set_value_outside(). + */ +static int ocfs2_xattr_set_entry(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + int flag) +{ + struct ocfs2_xattr_entry *last; + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name); + size_t size_l = 0; + handle_t *handle = NULL; + int free, i, ret; + struct ocfs2_xattr_info xi_l = { + .name_index = xi->name_index, + .name = xi->name, + .value = xi->value, + .value_len = xi->value_len, + }; + + /* Compute min_offs, last and free space. */ + last = xs->header->xh_entries; + + for (i = 0 ; i < le16_to_cpu(xs->header->xh_count); i++) { + size_t offs = le16_to_cpu(last->xe_name_offset); + if (offs < min_offs) + min_offs = offs; + last += 1; + } + + free = min_offs - ((void *)last - xs->base) - sizeof(__u32); + if (free < 0) + return -EFAULT; + + if (!xs->not_found) { + size_t size = 0; + if (ocfs2_xattr_is_local(xs->here)) + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size)); + else + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_ROOT_SIZE; + free += (size + sizeof(struct ocfs2_xattr_entry)); + } + /* Check free space in inode or block */ + if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + if (free < sizeof(struct ocfs2_xattr_entry) + + OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_ROOT_SIZE) { + ret = -ENOSPC; + goto out; + } + size_l = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; + xi_l.value = (void *)&def_xv; + xi_l.value_len = OCFS2_XATTR_ROOT_SIZE; + } else if (xi->value) { + if (free < sizeof(struct ocfs2_xattr_entry) + + OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(xi->value_len)) { + ret = -ENOSPC; + goto out; + } + } + + if (!xs->not_found) { + /* For existing extended attribute */ + size_t size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size)); + size_t offs = le16_to_cpu(xs->here->xe_name_offset); + void *val = xs->base + offs; + + if (ocfs2_xattr_is_local(xs->here) && size == size_l) { + /* Replace existing local xattr with tree root */ + ret = ocfs2_xattr_set_value_outside(inode, xi, xs, + offs); + if (ret < 0) + mlog_errno(ret); + goto out; + } else if (!ocfs2_xattr_is_local(xs->here)) { + /* For existing xattr which has value outside */ + struct ocfs2_xattr_value_root *xv = NULL; + xv = (struct ocfs2_xattr_value_root *)(val + + OCFS2_XATTR_SIZE(name_len)); + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + /* + * If new value need set outside also, + * first truncate old value to new value, + * then set new value with set_value_outside(). + */ + ret = ocfs2_xattr_value_truncate(inode, + xs->xattr_bh, + xv, + xi->value_len); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + + ret = __ocfs2_xattr_set_value_outside(inode, + xv, + xi->value, + xi->value_len); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_xattr_update_entry(inode, + xi, + xs, + offs); + if (ret < 0) + mlog_errno(ret); + goto out; + } else { + /* + * If new value need set in local, + * just trucate old value to zero. + */ + ret = ocfs2_xattr_value_truncate(inode, + xs->xattr_bh, + xv, + 0); + if (ret < 0) + mlog_errno(ret); + } + } + } + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), + OCFS2_INODE_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + if (!(flag & OCFS2_INLINE_XATTR_FL)) { + /*set extended attribue in external blcok*/ + ret = ocfs2_extend_trans(handle, + OCFS2_XATTR_BLOCK_UPDATE_CREDITS); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + } + + /* + * Set value in local, include set tree root in local. + * This is the first step for value size >INLINE_SIZE. + */ + ocfs2_xattr_set_entry_local(inode, &xi_l, xs, last, min_offs); + + if (!(flag & OCFS2_INLINE_XATTR_FL)) { + ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + } + + if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) && + (flag & OCFS2_INLINE_XATTR_FL)) { + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + unsigned int xattrsize = osb->s_xattr_inline_size; + + /* + * Adjust extent record count or inline data size + * to reserve space for extended attribute. + */ + if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) { + struct ocfs2_inline_data *idata = &di->id2.i_data; + le16_add_cpu(&idata->id_count, -xattrsize); + } else if (!(ocfs2_inode_is_fast_symlink(inode))) { + struct ocfs2_extent_list *el = &di->id2.i_list; + le16_add_cpu(&el->l_count, -(xattrsize / + sizeof(struct ocfs2_extent_rec))); + } + di->i_xattr_inline_size = cpu_to_le16(xattrsize); + } + /* Update xattr flag */ + spin_lock(&oi->ip_lock); + oi->ip_dyn_features |= flag; + di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features); + spin_unlock(&oi->ip_lock); + /* Update inode ctime */ + inode->i_ctime = CURRENT_TIME; + di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + + ret = ocfs2_journal_dirty(handle, xs->inode_bh); + if (ret < 0) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); + + if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + /* + * Set value outside in B tree. + * This is the second step for value size > INLINE_SIZE. + */ + size_t offs = le16_to_cpu(xs->here->xe_name_offset); + ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs); + if (ret < 0) { + int ret2; + + mlog_errno(ret); + /* + * If set value outside failed, we have to clean + * the junk tree root we have already set in local. + */ + ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs); + if (ret2 < 0) + mlog_errno(ret2); + } + } +out: + return ret; + +} + +static int ocfs2_xattr_free_block(handle_t *handle, + struct ocfs2_super *osb, + struct ocfs2_xattr_block *xb) +{ + struct inode *xb_alloc_inode; + struct buffer_head *xb_alloc_bh = NULL; + u64 blk = le64_to_cpu(xb->xb_blkno); + u16 bit = le16_to_cpu(xb->xb_suballoc_bit); + u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit); + int ret = 0; + + xb_alloc_inode = ocfs2_get_system_file_inode(osb, + EXTENT_ALLOC_SYSTEM_INODE, + le16_to_cpu(xb->xb_suballoc_slot)); + if (!xb_alloc_inode) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + mutex_lock(&xb_alloc_inode->i_mutex); + + ret = ocfs2_inode_lock(xb_alloc_inode, &xb_alloc_bh, 1); + if (ret < 0) { + mlog_errno(ret); + goto out_mutex; + } + ret = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_FREE); + if (ret < 0) { + mlog_errno(ret); + goto out_unlock; + } + ret = ocfs2_free_suballoc_bits(handle, xb_alloc_inode, xb_alloc_bh, + bit, bg_blkno, 1); + if (ret < 0) + mlog_errno(ret); +out_unlock: + ocfs2_inode_unlock(xb_alloc_inode, 1); + brelse(xb_alloc_bh); +out_mutex: + mutex_unlock(&xb_alloc_inode->i_mutex); + iput(xb_alloc_inode); +out: + return ret; +} + +static int ocfs2_remove_value_outside(struct inode*inode, + struct buffer_head *bh, + struct ocfs2_xattr_header *header) +{ + int ret = 0, i; + + for (i = 0; i < le16_to_cpu(header->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; + + if (!ocfs2_xattr_is_local(entry)) { + struct ocfs2_xattr_value_root *xv; + void *val; + + val = (void *)header + + le16_to_cpu(entry->xe_name_offset); + xv = (struct ocfs2_xattr_value_root *) + (val + OCFS2_XATTR_SIZE(entry->xe_name_len)); + ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + } + } + + return ret; +} + +static int ocfs2_xattr_ibody_remove(struct inode *inode, + struct buffer_head *di_bh) +{ + + struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; + struct ocfs2_xattr_header *header; + int ret; + + header = (struct ocfs2_xattr_header *) + ((void *)di + inode->i_sb->s_blocksize - + le16_to_cpu(di->i_xattr_inline_size)); + + ret = ocfs2_remove_value_outside(inode, di_bh, header); + + return ret; +} + +static int ocfs2_xattr_block_remove(struct inode *inode, + struct buffer_head *blk_bh) +{ + struct ocfs2_xattr_block *xb; + struct ocfs2_xattr_header *header; + int ret = 0; + + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; + header = &(xb->xb_attrs.xb_header); + + ret = ocfs2_remove_value_outside(inode, blk_bh, header); + + return ret; +} + +/* + * ocfs2_xattr_remove() + * + * Free extended attribute resources associated with this inode. + */ +int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) +{ + struct ocfs2_xattr_block *xb; + struct buffer_head *blk_bh = NULL; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; + handle_t *handle; + int ret; + + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) + return 0; + + if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) { + ret = ocfs2_xattr_ibody_remove(inode, di_bh); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + if (di->i_xattr_loc) { + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + le64_to_cpu(di->i_xattr_loc), + &blk_bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + /*Verify the signature of xattr block*/ + if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, + strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { + ret = -EFAULT; + goto out; + } + + ret = ocfs2_xattr_block_remove(inode, blk_bh); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), + OCFS2_INODE_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + ret = ocfs2_journal_access(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + if (di->i_xattr_loc) { + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; + ocfs2_xattr_free_block(handle, osb, xb); + di->i_xattr_loc = cpu_to_le64(0); + } + + spin_lock(&oi->ip_lock); + oi->ip_dyn_features &= ~(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL); + di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features); + spin_unlock(&oi->ip_lock); + + ret = ocfs2_journal_dirty(handle, di_bh); + if (ret < 0) + mlog_errno(ret); +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + brelse(blk_bh); + + return ret; +} + +static int ocfs2_xattr_has_space_inline(struct inode *inode, + struct ocfs2_dinode *di) +{ + struct ocfs2_inode_info *oi = OCFS2_I(inode); + unsigned int xattrsize = OCFS2_SB(inode->i_sb)->s_xattr_inline_size; + int free; + + if (xattrsize < OCFS2_MIN_XATTR_INLINE_SIZE) + return 0; + + if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) { + struct ocfs2_inline_data *idata = &di->id2.i_data; + free = le16_to_cpu(idata->id_count) - le64_to_cpu(di->i_size); + } else if (ocfs2_inode_is_fast_symlink(inode)) { + free = ocfs2_fast_symlink_chars(inode->i_sb) - + le64_to_cpu(di->i_size); + } else { + struct ocfs2_extent_list *el = &di->id2.i_list; + free = (le16_to_cpu(el->l_count) - + le16_to_cpu(el->l_next_free_rec)) * + sizeof(struct ocfs2_extent_rec); + } + if (free >= xattrsize) + return 1; + + return 0; +} + +/* + * ocfs2_xattr_ibody_find() + * + * Find extended attribute in inode block and + * fill search info into struct ocfs2_xattr_search. + */ +static int ocfs2_xattr_ibody_find(struct inode *inode, + int name_index, + const char *name, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + int ret; + int has_space = 0; + + if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) + return 0; + + if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) { + down_read(&oi->ip_alloc_sem); + has_space = ocfs2_xattr_has_space_inline(inode, di); + up_read(&oi->ip_alloc_sem); + if (!has_space) + return 0; + } + + xs->xattr_bh = xs->inode_bh; + xs->end = (void *)di + inode->i_sb->s_blocksize; + if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) + xs->header = (struct ocfs2_xattr_header *) + (xs->end - le16_to_cpu(di->i_xattr_inline_size)); + else + xs->header = (struct ocfs2_xattr_header *) + (xs->end - OCFS2_SB(inode->i_sb)->s_xattr_inline_size); + xs->base = (void *)xs->header; + xs->here = xs->header->xh_entries; + + /* Find the named attribute. */ + if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) { + ret = ocfs2_xattr_find_entry(name_index, name, xs); + if (ret && ret != -ENODATA) + return ret; + xs->not_found = ret; + } + + return 0; +} + +/* + * ocfs2_xattr_ibody_set() + * + * Set, replace or remove an extended attribute into inode block. + * + */ +static int ocfs2_xattr_ibody_set(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + int ret; + + if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) + return -ENOSPC; + + down_write(&oi->ip_alloc_sem); + if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) { + if (!ocfs2_xattr_has_space_inline(inode, di)) { + ret = -ENOSPC; + goto out; + } + } + + ret = ocfs2_xattr_set_entry(inode, xi, xs, + (OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL)); +out: + up_write(&oi->ip_alloc_sem); + + return ret; +} + +/* + * ocfs2_xattr_block_find() + * + * Find extended attribute in external block and + * fill search info into struct ocfs2_xattr_search. + */ +static int ocfs2_xattr_block_find(struct inode *inode, + int name_index, + const char *name, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + struct buffer_head *blk_bh = NULL; + int ret = 0; + + if (!di->i_xattr_loc) + return ret; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + le64_to_cpu(di->i_xattr_loc), + &blk_bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + /*Verify the signature of xattr block*/ + if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, + strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { + ret = -EFAULT; + goto cleanup; + } + + xs->xattr_bh = blk_bh; + xs->header = &((struct ocfs2_xattr_block *)blk_bh->b_data)-> + xb_attrs.xb_header; + xs->base = (void *)xs->header; + xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; + xs->here = xs->header->xh_entries; + + ret = ocfs2_xattr_find_entry(name_index, name, xs); + if (ret && ret != -ENODATA) { + xs->xattr_bh = NULL; + goto cleanup; + } + xs->not_found = ret; + return 0; + +cleanup: + brelse(blk_bh); + + return ret; +} + +/* + * ocfs2_xattr_block_set() + * + * Set, replace or remove an extended attribute into external block. + * + */ +static int ocfs2_xattr_block_set(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + struct buffer_head *new_bh = NULL; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + struct ocfs2_alloc_context *meta_ac = NULL; + handle_t *handle = NULL; + struct ocfs2_xattr_block *xblk = NULL; + u16 suballoc_bit_start; + u32 num_got; + u64 first_blkno; + int ret; + + if (!xs->xattr_bh) { + /* + * Alloc one external block for extended attribute + * outside of inode. + */ + ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + handle = ocfs2_start_trans(osb, + OCFS2_XATTR_BLOCK_CREATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + ret = ocfs2_journal_access(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1, + &suballoc_bit_start, &num_got, + &first_blkno); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + new_bh = sb_getblk(inode->i_sb, first_blkno); + ocfs2_set_new_buffer_uptodate(inode, new_bh); + + ret = ocfs2_journal_access(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + /* Initialize ocfs2_xattr_block */ + xs->xattr_bh = new_bh; + xblk = (struct ocfs2_xattr_block *)new_bh->b_data; + memset(xblk, 0, inode->i_sb->s_blocksize); + strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE); + xblk->xb_suballoc_slot = cpu_to_le16(osb->slot_num); + xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start); + xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation); + xblk->xb_blkno = cpu_to_le64(first_blkno); + + xs->header = &xblk->xb_attrs.xb_header; + xs->base = (void *)xs->header; + xs->end = (void *)xblk + inode->i_sb->s_blocksize; + xs->here = xs->header->xh_entries; + + + ret = ocfs2_journal_dirty(handle, new_bh); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + di->i_xattr_loc = cpu_to_le64(first_blkno); + ret = ocfs2_journal_dirty(handle, xs->inode_bh); + if (ret < 0) + mlog_errno(ret); +out_commit: + ocfs2_commit_trans(osb, handle); +out: + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + if (ret < 0) + return ret; + } + + /* Set extended attribute into external block */ + ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL); + + return ret; +} + +/* + * ocfs2_xattr_set() + * + * Set, replace or remove an extended attribute for this inode. + * value is NULL to remove an existing extended attribute, else either + * create or replace an extended attribute. + */ +int ocfs2_xattr_set(struct inode *inode, + int name_index, + const char *name, + const void *value, + size_t value_len, + int flags) +{ + struct buffer_head *di_bh = NULL; + struct ocfs2_dinode *di; + int ret; + + struct ocfs2_xattr_info xi = { + .name_index = name_index, + .name = name, + .value = value, + .value_len = value_len, + }; + + struct ocfs2_xattr_search xis = { + .not_found = -ENODATA, + }; + + struct ocfs2_xattr_search xbs = { + .not_found = -ENODATA, + }; + + ret = ocfs2_inode_lock(inode, &di_bh, 1); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + xis.inode_bh = xbs.inode_bh = di_bh; + di = (struct ocfs2_dinode *)di_bh->b_data; + + down_write(&OCFS2_I(inode)->ip_xattr_sem); + /* + * Scan inode and external block to find the same name + * extended attribute and collect search infomation. + */ + ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis); + if (ret) + goto cleanup; + if (xis.not_found) { + ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs); + if (ret) + goto cleanup; + } + + if (xis.not_found && xbs.not_found) { + ret = -ENODATA; + if (flags & XATTR_REPLACE) + goto cleanup; + ret = 0; + if (!value) + goto cleanup; + } else { + ret = -EEXIST; + if (flags & XATTR_CREATE) + goto cleanup; + } + + if (!value) { + /* Remove existing extended attribute */ + if (!xis.not_found) + ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + else if (!xbs.not_found) + ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + } else { + /* We always try to set extended attribute into inode first*/ + ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + if (!ret && !xbs.not_found) { + /* + * If succeed and that extended attribute existing in + * external block, then we will remove it. + */ + xi.value = NULL; + xi.value_len = 0; + ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + } else if (ret == -ENOSPC) { + if (di->i_xattr_loc && !xbs.xattr_bh) { + ret = ocfs2_xattr_block_find(inode, name_index, + name, &xbs); + if (ret) + goto cleanup; + } + /* + * If no space in inode, we will set extended attribute + * into external block. + */ + ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + if (ret) + goto cleanup; + if (!xis.not_found) { + /* + * If succeed and that extended attribute + * existing in inode, we will remove it. + */ + xi.value = NULL; + xi.value_len = 0; + ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + } + } + } +cleanup: + up_write(&OCFS2_I(inode)->ip_xattr_sem); + ocfs2_inode_unlock(inode, 1); + brelse(di_bh); + brelse(xbs.xattr_bh); + + return ret; +} + diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h new file mode 100644 index 000000000000..ed32377be9db --- /dev/null +++ b/fs/ocfs2/xattr.h @@ -0,0 +1,51 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * xattr.h + * + * Function prototypes + * + * Copyright (C) 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef OCFS2_XATTR_H +#define OCFS2_XATTR_H + +#include +#include + +enum ocfs2_xattr_type { + OCFS2_XATTR_INDEX_USER = 1, + OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS, + OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT, + OCFS2_XATTR_INDEX_TRUSTED, + OCFS2_XATTR_INDEX_SECURITY, + OCFS2_XATTR_MAX +}; + +extern struct xattr_handler ocfs2_xattr_user_handler; +extern struct xattr_handler ocfs2_xattr_trusted_handler; + +extern ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); +extern int ocfs2_xattr_get(struct inode *, int, const char *, void *, size_t); +extern int ocfs2_xattr_set(struct inode *, int, const char *, const void *, + size_t, int); +extern int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh); +extern struct xattr_handler *ocfs2_xattr_handlers[]; + +#endif /* OCFS2_XATTR_H */ diff --git a/fs/ocfs2/xattr_trusted.c b/fs/ocfs2/xattr_trusted.c new file mode 100644 index 000000000000..4c589c447aaf --- /dev/null +++ b/fs/ocfs2/xattr_trusted.c @@ -0,0 +1,82 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * xattr_trusted.c + * + * Copyright (C) 2008 Oracle. All rights reserved. + * + * CREDITS: + * Lots of code in this file is taken from ext3. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#include +#include +#include + +#define MLOG_MASK_PREFIX ML_INODE +#include + +#include "ocfs2.h" +#include "alloc.h" +#include "dlmglue.h" +#include "file.h" +#include "ocfs2_fs.h" +#include "xattr.h" + +#define XATTR_TRUSTED_PREFIX "trusted." + +static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name, + buffer, size); +} + +static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_trusted_handler = { + .prefix = XATTR_TRUSTED_PREFIX, + .list = ocfs2_xattr_trusted_list, + .get = ocfs2_xattr_trusted_get, + .set = ocfs2_xattr_trusted_set, +}; diff --git a/fs/ocfs2/xattr_user.c b/fs/ocfs2/xattr_user.c new file mode 100644 index 000000000000..93ba71637788 --- /dev/null +++ b/fs/ocfs2/xattr_user.c @@ -0,0 +1,94 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * xattr_user.c + * + * Copyright (C) 2008 Oracle. All rights reserved. + * + * CREDITS: + * Lots of code in this file is taken from ext3. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#include +#include +#include + +#define MLOG_MASK_PREFIX ML_INODE +#include + +#include "ocfs2.h" +#include "alloc.h" +#include "dlmglue.h" +#include "file.h" +#include "ocfs2_fs.h" +#include "xattr.h" + +#define XATTR_USER_PREFIX "user." + +static size_t ocfs2_xattr_user_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return 0; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_USER_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_user_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name, + buffer, size); +} + +static int ocfs2_xattr_user_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_user_handler = { + .prefix = XATTR_USER_PREFIX, + .list = ocfs2_xattr_user_list, + .get = ocfs2_xattr_user_get, + .set = ocfs2_xattr_user_set, +}; -- GitLab From ba492615f0d32d0210b02c14b24512b4372b13d6 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:49 +0800 Subject: [PATCH 4514/6244] ocfs2: Add xattr index tree operations When necessary, an ocfs2_xattr_block will embed an ocfs2_extent_list to store large numbers of EAs. This patch adds a new type in ocfs2_extent_tree_type and adds the implementation so that we can re-use the b-tree code to handle the storage of many EAs. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/alloc.h | 10 ++++++ 2 files changed, 99 insertions(+) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index ace27d1ca574..06ea7913c134 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -177,6 +177,48 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { .sanity_check = ocfs2_xattr_value_sanity_check, }; +static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 blkno) +{ + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *) et->root_bh->b_data; + struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; + + xt->xt_last_eb_blk = cpu_to_le64(blkno); +} + +static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *) et->root_bh->b_data; + struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; + + return le64_to_cpu(xt->xt_last_eb_blk); +} + +static void ocfs2_xattr_tree_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters) +{ + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)et->root_bh->b_data; + + le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters); +} + +static int ocfs2_xattr_tree_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et) +{ + return 0; +} + +static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { + .set_last_eb_blk = ocfs2_xattr_tree_set_last_eb_blk, + .get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, + .update_clusters = ocfs2_xattr_tree_update_clusters, + .sanity_check = ocfs2_xattr_tree_sanity_check, +}; + static struct ocfs2_extent_tree* ocfs2_new_extent_tree(struct buffer_head *bh, enum ocfs2_extent_tree_type et_type, @@ -201,6 +243,11 @@ static struct ocfs2_extent_tree* (struct ocfs2_xattr_value_root *) private; et->root_el = &xv->xr_list; et->eops = &ocfs2_xattr_et_ops; + } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)bh->b_data; + et->root_el = &xb->xb_attrs.xb_root.xt_list; + et->eops = &ocfs2_xattr_tree_et_ops; } return et; @@ -570,6 +617,12 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, last_eb_blk = le64_to_cpu(xv->xr_last_eb_blk); el = &xv->xr_list; + } else if (type == OCFS2_XATTR_TREE_EXTENT) { + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)root_bh->b_data; + + last_eb_blk = le64_to_cpu(xb->xb_attrs.xb_root.xt_last_eb_blk); + el = &xb->xb_attrs.xb_root.xt_list; } if (last_eb_blk) { @@ -4397,6 +4450,36 @@ bail: return status; } +int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac) +{ + int status; + struct ocfs2_extent_tree *et = NULL; + + et = ocfs2_new_extent_tree(root_bh, OCFS2_XATTR_TREE_EXTENT, NULL); + if (!et) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + + status = ocfs2_insert_extent(osb, handle, inode, root_bh, + cpos, start_blk, new_clusters, + flags, meta_ac, et); + + if (et) + ocfs2_free_extent_tree(et); +bail: + return status; +} + /* * Allcate and add clusters into the extent b-tree. * The new clusters(clusters_to_add) will be inserted at logical_offset. @@ -4482,6 +4565,12 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, status = ocfs2_dinode_insert_extent(osb, handle, inode, root_bh, *logical_offset, block, num_bits, flags, meta_ac); + else if (type == OCFS2_XATTR_TREE_EXTENT) + status = ocfs2_xattr_tree_insert_extent(osb, handle, + inode, root_bh, + *logical_offset, + block, num_bits, flags, + meta_ac); else status = ocfs2_xattr_value_insert_extent(osb, handle, inode, root_bh, diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index ec7baeb2ea7d..cd4e12d2b6b9 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -29,6 +29,7 @@ enum ocfs2_extent_tree_type { OCFS2_DINODE_EXTENT = 0, OCFS2_XATTR_VALUE_EXTENT, + OCFS2_XATTR_TREE_EXTENT, }; struct ocfs2_alloc_context; @@ -51,6 +52,15 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, u8 flags, struct ocfs2_alloc_context *meta_ac, void *private); +int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct buffer_head *root_bh, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac); enum ocfs2_alloc_restarted { RESTART_NONE = 0, RESTART_TRANS, -- GitLab From 0c044f0b24b9128ba8c297149d88bd81f2e36af3 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:50 +0800 Subject: [PATCH 4515/6244] ocfs2: Add xattr bucket iteration for large numbers of EAs Ocfs2 breaks up xattr index tree leaves into 4k regions, called buckets. Attributes are stored within a given bucket, depending on hash value. After a discussion with Mark, we decided that the per-bucket index (xe_entry[]) would only exist in the 1st block of a bucket. Likewise, name/value pairs will not straddle more than one block. This allows the majority of operations to work directly on the buffer heads in a leaf block. This patch adds code to iterate the buckets in an EA. A new abstration of ocfs2_xattr_bucket is added. It records the bhs in this bucket and ocfs2_xattr_header. This keeps the code neat, improving readibility. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/ocfs2_fs.h | 35 +++++- fs/ocfs2/xattr.c | 255 +++++++++++++++++++++++++++++++++++++++++++- fs/ocfs2/xattr.h | 9 ++ 3 files changed, 293 insertions(+), 6 deletions(-) diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 98e1f8bba0e1..8d5e72f2c5cf 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -755,8 +755,13 @@ struct ocfs2_xattr_header { __le16 xh_count; /* contains the count of how many records are in the local xattr storage. */ - __le16 xh_reserved1; - __le32 xh_reserved2; + __le16 xh_free_start; /* current offset for storing + xattr. */ + __le16 xh_name_value_len; /* total length of name/value + length in this bucket. */ + __le16 xh_num_buckets; /* bucket nums in one extent + record, only valid in the + first bucket. */ __le64 xh_csum; struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */ }; @@ -793,6 +798,10 @@ struct ocfs2_xattr_tree_root { #define OCFS2_XATTR_SIZE(size) (((size) + OCFS2_XATTR_ROUND) & \ ~(OCFS2_XATTR_ROUND)) +#define OCFS2_XATTR_BUCKET_SIZE 4096 +#define OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET (OCFS2_XATTR_BUCKET_SIZE \ + / OCFS2_MIN_BLOCKSIZE) + /* * On disk structure for xattr block. */ @@ -963,6 +972,17 @@ static inline u64 ocfs2_backup_super_blkno(struct super_block *sb, int index) return 0; } + +static inline u16 ocfs2_xattr_recs_per_xb(struct super_block *sb) +{ + int size; + + size = sb->s_blocksize - + offsetof(struct ocfs2_xattr_block, + xb_attrs.xb_root.xt_list.l_recs); + + return size / sizeof(struct ocfs2_extent_rec); +} #else static inline int ocfs2_fast_symlink_chars(int blocksize) { @@ -1046,6 +1066,17 @@ static inline uint64_t ocfs2_backup_super_blkno(int blocksize, int index) return 0; } + +static inline int ocfs2_xattr_recs_per_xb(int blocksize) +{ + int size; + + size = blocksize - + offsetof(struct ocfs2_xattr_block, + xb_attrs.xb_root.xt_list.l_recs); + + return size / sizeof(struct ocfs2_extent_rec); +} #endif /* __KERNEL__ */ diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 67bebd9259e7..fb17f7fe4c66 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -52,6 +52,7 @@ #include "suballoc.h" #include "uptodate.h" #include "buffer_head_io.h" +#include "super.h" #include "xattr.h" @@ -60,6 +61,11 @@ struct ocfs2_xattr_def_value_root { struct ocfs2_extent_rec er; }; +struct ocfs2_xattr_bucket { + struct buffer_head *bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; + struct ocfs2_xattr_header *xh; +}; + #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) #define OCFS2_XATTR_INLINE_SIZE 80 @@ -99,6 +105,11 @@ struct ocfs2_xattr_search { int not_found; }; +static int ocfs2_xattr_tree_list_index_block(struct inode *inode, + struct ocfs2_xattr_tree_root *xt, + char *buffer, + size_t buffer_size); + static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) { struct xattr_handler *handler = NULL; @@ -483,7 +494,7 @@ static int ocfs2_xattr_block_list(struct inode *inode, size_t buffer_size) { struct buffer_head *blk_bh = NULL; - struct ocfs2_xattr_header *header = NULL; + struct ocfs2_xattr_block *xb; int ret = 0; if (!di->i_xattr_loc) @@ -503,10 +514,17 @@ static int ocfs2_xattr_block_list(struct inode *inode, goto cleanup; } - header = &((struct ocfs2_xattr_block *)blk_bh->b_data)-> - xb_attrs.xb_header; + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - ret = ocfs2_xattr_list_entries(inode, header, buffer, buffer_size); + if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { + struct ocfs2_xattr_header *header = &xb->xb_attrs.xb_header; + ret = ocfs2_xattr_list_entries(inode, header, + buffer, buffer_size); + } else { + struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; + ret = ocfs2_xattr_tree_list_index_block(inode, xt, + buffer, buffer_size); + } cleanup: brelse(blk_bh); @@ -1923,3 +1941,232 @@ cleanup: return ret; } +/* + * Find the xattr extent rec which may contains name_hash. + * e_cpos will be the first name hash of the xattr rec. + * el must be the ocfs2_xattr_header.xb_attrs.xb_root.xt_list. + */ +static int ocfs2_xattr_get_rec(struct inode *inode, + u32 name_hash, + u64 *p_blkno, + u32 *e_cpos, + u32 *num_clusters, + struct ocfs2_extent_list *el) +{ + int ret = 0, i; + struct buffer_head *eb_bh = NULL; + struct ocfs2_extent_block *eb; + struct ocfs2_extent_rec *rec = NULL; + u64 e_blkno = 0; + + if (el->l_tree_depth) { + ret = ocfs2_find_leaf(inode, el, name_hash, &eb_bh); + if (ret) { + mlog_errno(ret); + goto out; + } + + eb = (struct ocfs2_extent_block *) eb_bh->b_data; + el = &eb->h_list; + + if (el->l_tree_depth) { + ocfs2_error(inode->i_sb, + "Inode %lu has non zero tree depth in " + "xattr tree block %llu\n", inode->i_ino, + (unsigned long long)eb_bh->b_blocknr); + ret = -EROFS; + goto out; + } + } + + for (i = le16_to_cpu(el->l_next_free_rec) - 1; i >= 0; i--) { + rec = &el->l_recs[i]; + + if (le32_to_cpu(rec->e_cpos) <= name_hash) { + e_blkno = le64_to_cpu(rec->e_blkno); + break; + } + } + + if (!e_blkno) { + ocfs2_error(inode->i_sb, "Inode %lu has bad extent " + "record (%u, %u, 0) in xattr", inode->i_ino, + le32_to_cpu(rec->e_cpos), + ocfs2_rec_clusters(el, rec)); + ret = -EROFS; + goto out; + } + + *p_blkno = le64_to_cpu(rec->e_blkno); + *num_clusters = le16_to_cpu(rec->e_leaf_clusters); + if (e_cpos) + *e_cpos = le32_to_cpu(rec->e_cpos); +out: + brelse(eb_bh); + return ret; +} + +typedef int (xattr_bucket_func)(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + void *para); + +static int ocfs2_iterate_xattr_buckets(struct inode *inode, + u64 blkno, + u32 clusters, + xattr_bucket_func *func, + void *para) +{ + int i, j, ret = 0; + int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)); + u32 num_buckets = clusters * bpc; + struct ocfs2_xattr_bucket bucket; + + memset(&bucket, 0, sizeof(bucket)); + + mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n", + clusters, blkno); + + for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { + ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), + blkno, blk_per_bucket, + bucket.bhs, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + bucket.xh = (struct ocfs2_xattr_header *)bucket.bhs[0]->b_data; + /* + * The real bucket num in this series of blocks is stored + * in the 1st bucket. + */ + if (i == 0) + num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets); + + mlog(0, "iterating xattr bucket %llu\n", blkno); + if (func) { + ret = func(inode, &bucket, para); + if (ret) { + mlog_errno(ret); + break; + } + } + + for (j = 0; j < blk_per_bucket; j++) + brelse(bucket.bhs[j]); + memset(&bucket, 0, sizeof(bucket)); + } + +out: + for (j = 0; j < blk_per_bucket; j++) + brelse(bucket.bhs[j]); + + return ret; +} + +struct ocfs2_xattr_tree_list { + char *buffer; + size_t buffer_size; +}; + +static int ocfs2_xattr_bucket_get_name_value(struct inode *inode, + struct ocfs2_xattr_header *xh, + int index, + int *block_off, + int *new_offset) +{ + u16 name_offset; + + if (index < 0 || index >= le16_to_cpu(xh->xh_count)) + return -EINVAL; + + name_offset = le16_to_cpu(xh->xh_entries[index].xe_name_offset); + + *block_off = name_offset >> inode->i_sb->s_blocksize_bits; + *new_offset = name_offset % inode->i_sb->s_blocksize; + + return 0; +} + +static int ocfs2_list_xattr_bucket(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + void *para) +{ + int ret = 0; + struct ocfs2_xattr_tree_list *xl = (struct ocfs2_xattr_tree_list *)para; + size_t size; + int i, block_off, new_offset; + + for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i]; + struct xattr_handler *handler = + ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); + + if (handler) { + ret = ocfs2_xattr_bucket_get_name_value(inode, + bucket->xh, + i, + &block_off, + &new_offset); + if (ret) + break; + size = handler->list(inode, xl->buffer, xl->buffer_size, + bucket->bhs[block_off]->b_data + + new_offset, + entry->xe_name_len); + if (xl->buffer) { + if (size > xl->buffer_size) + return -ERANGE; + xl->buffer += size; + } + xl->buffer_size -= size; + } + } + + return ret; +} + +static int ocfs2_xattr_tree_list_index_block(struct inode *inode, + struct ocfs2_xattr_tree_root *xt, + char *buffer, + size_t buffer_size) +{ + struct ocfs2_extent_list *el = &xt->xt_list; + int ret = 0; + u32 name_hash = UINT_MAX, e_cpos = 0, num_clusters = 0; + u64 p_blkno = 0; + struct ocfs2_xattr_tree_list xl = { + .buffer = buffer, + .buffer_size = buffer_size, + }; + + if (le16_to_cpu(el->l_next_free_rec) == 0) + return 0; + + while (name_hash > 0) { + ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, + &e_cpos, &num_clusters, el); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_iterate_xattr_buckets(inode, p_blkno, num_clusters, + ocfs2_list_xattr_bucket, + &xl); + if (ret) { + mlog_errno(ret); + goto out; + } + + if (e_cpos == 0) + break; + + name_hash = e_cpos - 1; + } + + ret = buffer_size - xl.buffer_size; +out: + return ret; +} diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index ed32377be9db..02afa87d5e69 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -48,4 +48,13 @@ extern int ocfs2_xattr_set(struct inode *, int, const char *, const void *, extern int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh); extern struct xattr_handler *ocfs2_xattr_handlers[]; +static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb) +{ + return (1 << osb->s_clustersize_bits) / OCFS2_XATTR_BUCKET_SIZE; +} + +static inline u16 ocfs2_blocks_per_xattr_bucket(struct super_block *sb) +{ + return OCFS2_XATTR_BUCKET_SIZE / (1 << sb->s_blocksize_bits); +} #endif /* OCFS2_XATTR_H */ -- GitLab From 589dc2602f2a1b7fa5e59b90f548af189f128d77 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:51 +0800 Subject: [PATCH 4516/6244] ocfs2: Add xattr lookup code xattr btrees Add code to lookup a given extended attribute in the xattr btree. Lookup follows this general scheme: 1. Use ocfs2_xattr_get_rec to find the xattr extent record 2. Find the xattr bucket within the extent which may contain this xattr 3. Iterate the bucket to find the xattr. In ocfs2_xattr_block_get(), we need to recalcuate the block offset and name offset for the right position of name/value. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 351 +++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 328 insertions(+), 23 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index fb17f7fe4c66..acccdfabd2d6 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -99,12 +99,25 @@ struct ocfs2_xattr_search { */ struct buffer_head *xattr_bh; struct ocfs2_xattr_header *header; + struct ocfs2_xattr_bucket bucket; void *base; void *end; struct ocfs2_xattr_entry *here; int not_found; }; +static int ocfs2_xattr_bucket_get_name_value(struct inode *inode, + struct ocfs2_xattr_header *xh, + int index, + int *block_off, + int *new_offset); + +static int ocfs2_xattr_index_block_find(struct inode *inode, + struct buffer_head *root_bh, + int name_index, + const char *name, + struct ocfs2_xattr_search *xs); + static int ocfs2_xattr_tree_list_index_block(struct inode *inode, struct ocfs2_xattr_tree_root *xt, char *buffer, @@ -604,7 +617,7 @@ static int ocfs2_xattr_find_entry(int name_index, } static int ocfs2_xattr_get_value_outside(struct inode *inode, - struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_value_root *xv, void *buffer, size_t len) { @@ -613,12 +626,8 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode, int i, ret = 0; size_t cplen, blocksize; struct buffer_head *bh = NULL; - struct ocfs2_xattr_value_root *xv; struct ocfs2_extent_list *el; - xv = (struct ocfs2_xattr_value_root *) - (xs->base + le16_to_cpu(xs->here->xe_name_offset) + - OCFS2_XATTR_SIZE(xs->here->xe_name_len)); el = &xv->xr_list; clusters = le32_to_cpu(xv->xr_clusters); bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); @@ -668,6 +677,7 @@ static int ocfs2_xattr_ibody_get(struct inode *inode, { struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; + struct ocfs2_xattr_value_root *xv; size_t size; int ret = 0; @@ -692,7 +702,11 @@ static int ocfs2_xattr_ibody_get(struct inode *inode, le16_to_cpu(xs->here->xe_name_offset) + OCFS2_XATTR_SIZE(xs->here->xe_name_len), size); } else { - ret = ocfs2_xattr_get_value_outside(inode, xs, + xv = (struct ocfs2_xattr_value_root *) + (xs->base + le16_to_cpu( + xs->here->xe_name_offset) + + OCFS2_XATTR_SIZE(xs->here->xe_name_len)); + ret = ocfs2_xattr_get_value_outside(inode, xv, buffer, size); if (ret < 0) { mlog_errno(ret); @@ -714,12 +728,15 @@ static int ocfs2_xattr_block_get(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; struct buffer_head *blk_bh = NULL; struct ocfs2_xattr_block *xb; + struct ocfs2_xattr_value_root *xv; size_t size; - int ret = -ENODATA; + int ret = -ENODATA, name_offset, name_len, block_off, i; if (!di->i_xattr_loc) return ret; + memset(&xs->bucket, 0, sizeof(xs->bucket)); + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), le64_to_cpu(di->i_xattr_loc), &blk_bh, OCFS2_BH_CACHED, inode); @@ -736,12 +753,19 @@ static int ocfs2_xattr_block_get(struct inode *inode, xs->xattr_bh = blk_bh; xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - xs->header = &xb->xb_attrs.xb_header; - xs->base = (void *)xs->header; - xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; - xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { + xs->header = &xb->xb_attrs.xb_header; + xs->base = (void *)xs->header; + xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; + xs->here = xs->header->xh_entries; + + ret = ocfs2_xattr_find_entry(name_index, name, xs); + } else + ret = ocfs2_xattr_index_block_find(inode, blk_bh, + name_index, + name, xs); + if (ret) goto cleanup; size = le64_to_cpu(xs->here->xe_value_size); @@ -749,12 +773,26 @@ static int ocfs2_xattr_block_get(struct inode *inode, ret = -ERANGE; if (size > buffer_size) goto cleanup; + + name_offset = le16_to_cpu(xs->here->xe_name_offset); + name_len = OCFS2_XATTR_SIZE(xs->here->xe_name_len); + i = xs->here - xs->header->xh_entries; + + if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { + ret = ocfs2_xattr_bucket_get_name_value(inode, + xs->bucket.xh, + i, + &block_off, + &name_offset); + xs->base = xs->bucket.bhs[block_off]->b_data; + } if (ocfs2_xattr_is_local(xs->here)) { memcpy(buffer, (void *)xs->base + - le16_to_cpu(xs->here->xe_name_offset) + - OCFS2_XATTR_SIZE(xs->here->xe_name_len), size); + name_offset + name_len, size); } else { - ret = ocfs2_xattr_get_value_outside(inode, xs, + xv = (struct ocfs2_xattr_value_root *) + (xs->base + name_offset + name_len); + ret = ocfs2_xattr_get_value_outside(inode, xv, buffer, size); if (ret < 0) { mlog_errno(ret); @@ -764,8 +802,11 @@ static int ocfs2_xattr_block_get(struct inode *inode, } ret = size; cleanup: - brelse(blk_bh); + for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++) + brelse(xs->bucket.bhs[i]); + memset(&xs->bucket, 0, sizeof(xs->bucket)); + brelse(blk_bh); return ret; } @@ -1679,6 +1720,7 @@ static int ocfs2_xattr_block_find(struct inode *inode, { struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; struct buffer_head *blk_bh = NULL; + struct ocfs2_xattr_block *xb; int ret = 0; if (!di->i_xattr_loc) @@ -1699,20 +1741,26 @@ static int ocfs2_xattr_block_find(struct inode *inode, } xs->xattr_bh = blk_bh; - xs->header = &((struct ocfs2_xattr_block *)blk_bh->b_data)-> - xb_attrs.xb_header; - xs->base = (void *)xs->header; - xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; - xs->here = xs->header->xh_entries; + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; + + if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { + xs->header = &xb->xb_attrs.xb_header; + xs->base = (void *)xs->header; + xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; + xs->here = xs->header->xh_entries; + + ret = ocfs2_xattr_find_entry(name_index, name, xs); + } else + ret = ocfs2_xattr_index_block_find(inode, blk_bh, + name_index, + name, xs); - ret = ocfs2_xattr_find_entry(name_index, name, xs); if (ret && ret != -ENODATA) { xs->xattr_bh = NULL; goto cleanup; } xs->not_found = ret; return 0; - cleanup: brelse(blk_bh); @@ -1941,6 +1989,18 @@ cleanup: return ret; } +static inline u32 ocfs2_xattr_hash_by_name(struct inode *inode, + int name_index, + const char *suffix_name) +{ + struct xattr_handler *handler = ocfs2_xattr_handler(name_index); + char *prefix = handler->prefix; + int prefix_len = strlen(handler->prefix); + + return ocfs2_xattr_name_hash(inode, prefix, prefix_len, + (char *)suffix_name, strlen(suffix_name)); +} + /* * Find the xattr extent rec which may contains name_hash. * e_cpos will be the first name hash of the xattr rec. @@ -2010,6 +2070,251 @@ typedef int (xattr_bucket_func)(struct inode *inode, struct ocfs2_xattr_bucket *bucket, void *para); +static int ocfs2_find_xe_in_bucket(struct inode *inode, + struct buffer_head *header_bh, + int name_index, + const char *name, + u32 name_hash, + u16 *xe_index, + int *found) +{ + int i, ret = 0, cmp = 1, block_off, new_offset; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)header_bh->b_data; + size_t name_len = strlen(name); + struct ocfs2_xattr_entry *xe = NULL; + struct buffer_head *name_bh = NULL; + char *xe_name; + + /* + * We don't use binary search in the bucket because there + * may be multiple entries with the same name hash. + */ + for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { + xe = &xh->xh_entries[i]; + + if (name_hash > le32_to_cpu(xe->xe_name_hash)) + continue; + else if (name_hash < le32_to_cpu(xe->xe_name_hash)) + break; + + cmp = name_index - ocfs2_xattr_get_type(xe); + if (!cmp) + cmp = name_len - xe->xe_name_len; + if (cmp) + continue; + + ret = ocfs2_xattr_bucket_get_name_value(inode, + xh, + i, + &block_off, + &new_offset); + if (ret) { + mlog_errno(ret); + break; + } + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + header_bh->b_blocknr + block_off, + &name_bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + break; + } + xe_name = name_bh->b_data + new_offset; + + cmp = memcmp(name, xe_name, name_len); + brelse(name_bh); + name_bh = NULL; + + if (cmp == 0) { + *xe_index = i; + *found = 1; + ret = 0; + break; + } + } + + return ret; +} + +/* + * Find the specified xattr entry in a series of buckets. + * This series start from p_blkno and last for num_clusters. + * The ocfs2_xattr_header.xh_num_buckets of the first bucket contains + * the num of the valid buckets. + * + * Return the buffer_head this xattr should reside in. And if the xattr's + * hash is in the gap of 2 buckets, return the lower bucket. + */ +static int ocfs2_xattr_bucket_find(struct inode *inode, + int name_index, + const char *name, + u32 name_hash, + u64 p_blkno, + u32 first_hash, + u32 num_clusters, + struct ocfs2_xattr_search *xs) +{ + int ret, found = 0; + struct buffer_head *bh = NULL; + struct buffer_head *lower_bh = NULL; + struct ocfs2_xattr_header *xh = NULL; + struct ocfs2_xattr_entry *xe = NULL; + u16 index = 0; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int low_bucket = 0, bucket, high_bucket; + u32 last_hash; + u64 blkno; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, + &bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + xh = (struct ocfs2_xattr_header *)bh->b_data; + high_bucket = le16_to_cpu(xh->xh_num_buckets) - 1; + + while (low_bucket <= high_bucket) { + brelse(bh); + bh = NULL; + bucket = (low_bucket + high_bucket) / 2; + + blkno = p_blkno + bucket * blk_per_bucket; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, + &bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + xh = (struct ocfs2_xattr_header *)bh->b_data; + xe = &xh->xh_entries[0]; + if (name_hash < le32_to_cpu(xe->xe_name_hash)) { + high_bucket = bucket - 1; + continue; + } + + /* + * Check whether the hash of the last entry in our + * bucket is larger than the search one. + */ + xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1]; + last_hash = le32_to_cpu(xe->xe_name_hash); + + /* record lower_bh which may be the insert place. */ + brelse(lower_bh); + lower_bh = bh; + bh = NULL; + + if (name_hash > le32_to_cpu(xe->xe_name_hash)) { + low_bucket = bucket + 1; + continue; + } + + /* the searched xattr should reside in this bucket if exists. */ + ret = ocfs2_find_xe_in_bucket(inode, lower_bh, + name_index, name, name_hash, + &index, &found); + if (ret) { + mlog_errno(ret); + goto out; + } + break; + } + + /* + * Record the bucket we have found. + * When the xattr's hash value is in the gap of 2 buckets, we will + * always set it to the previous bucket. + */ + if (!lower_bh) { + /* + * We can't find any bucket whose first name_hash is less + * than the find name_hash. + */ + BUG_ON(bh->b_blocknr != p_blkno); + lower_bh = bh; + bh = NULL; + } + xs->bucket.bhs[0] = lower_bh; + xs->bucket.xh = (struct ocfs2_xattr_header *) + xs->bucket.bhs[0]->b_data; + lower_bh = NULL; + + xs->header = xs->bucket.xh; + xs->base = xs->bucket.bhs[0]->b_data; + xs->end = xs->base + inode->i_sb->s_blocksize; + + if (found) { + /* + * If we have found the xattr enty, read all the blocks in + * this bucket. + */ + ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), + xs->bucket.bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bhs[1], + OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + xs->here = &xs->header->xh_entries[index]; + mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, + (unsigned long long)xs->bucket.bhs[0]->b_blocknr, index); + } else + ret = -ENODATA; + +out: + brelse(bh); + brelse(lower_bh); + return ret; +} + +static int ocfs2_xattr_index_block_find(struct inode *inode, + struct buffer_head *root_bh, + int name_index, + const char *name, + struct ocfs2_xattr_search *xs) +{ + int ret; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)root_bh->b_data; + struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; + struct ocfs2_extent_list *el = &xb_root->xt_list; + u64 p_blkno = 0; + u32 first_hash, num_clusters = 0; + u32 name_hash = ocfs2_xattr_hash_by_name(inode, name_index, name); + + if (le16_to_cpu(el->l_next_free_rec) == 0) + return -ENODATA; + + mlog(0, "find xattr %s, hash = %u, index = %d in xattr tree\n", + name, name_hash, name_index); + + ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, &first_hash, + &num_clusters, el); + if (ret) { + mlog_errno(ret); + goto out; + } + + BUG_ON(p_blkno == 0 || num_clusters == 0 || first_hash > name_hash); + + mlog(0, "find xattr extent rec %u clusters from %llu, the first hash " + "in the rec is %u\n", num_clusters, p_blkno, first_hash); + + ret = ocfs2_xattr_bucket_find(inode, name_index, name, name_hash, + p_blkno, first_hash, num_clusters, xs); + +out: + return ret; +} + static int ocfs2_iterate_xattr_buckets(struct inode *inode, u64 blkno, u32 clusters, -- GitLab From ca12b7c48942d21b2e7890b820db9d578bc291cd Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:52 +0800 Subject: [PATCH 4517/6244] ocfs2: Optionally limit extent size in ocfs2_insert_extent() In xattr bucket, we want to limit the maximum size of a btree leaf, otherwise we'll lose the benefits of hashing because we'll have to search large leaves. So add a new field in ocfs2_extent_tree which indicates the maximum leaf cluster size we want so that we can prevent ocfs2_insert_extent() from merging the leaf record even if it is contiguous with an adjacent record. Other btree types are not affected by this change. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 39 ++++++++++++++++++++++++++++++--------- fs/ocfs2/alloc.h | 5 +++++ 2 files changed, 35 insertions(+), 9 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 06ea7913c134..f65cb43edb7c 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -79,6 +79,7 @@ struct ocfs2_extent_tree { struct buffer_head *root_bh; struct ocfs2_extent_list *root_el; void *private; + unsigned int max_leaf_clusters; }; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -220,7 +221,8 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { }; static struct ocfs2_extent_tree* - ocfs2_new_extent_tree(struct buffer_head *bh, + ocfs2_new_extent_tree(struct inode *inode, + struct buffer_head *bh, enum ocfs2_extent_tree_type et_type, void *private) { @@ -248,6 +250,8 @@ static struct ocfs2_extent_tree* (struct ocfs2_xattr_block *)bh->b_data; et->root_el = &xb->xb_attrs.xb_root.xt_list; et->eops = &ocfs2_xattr_tree_et_ops; + et->max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } return et; @@ -4109,7 +4113,8 @@ out: static void ocfs2_figure_contig_type(struct inode *inode, struct ocfs2_insert_type *insert, struct ocfs2_extent_list *el, - struct ocfs2_extent_rec *insert_rec) + struct ocfs2_extent_rec *insert_rec, + struct ocfs2_extent_tree *et) { int i; enum ocfs2_contig_type contig_type = CONTIG_NONE; @@ -4125,6 +4130,20 @@ static void ocfs2_figure_contig_type(struct inode *inode, } } insert->ins_contig = contig_type; + + if (insert->ins_contig != CONTIG_NONE) { + struct ocfs2_extent_rec *rec = + &el->l_recs[insert->ins_contig_index]; + unsigned int len = le16_to_cpu(rec->e_leaf_clusters) + + le16_to_cpu(insert_rec->e_leaf_clusters); + + /* + * Caller might want us to limit the size of extents, don't + * calculate contiguousness if we might exceed that limit. + */ + if (et->max_leaf_clusters && len > et->max_leaf_clusters) + insert->ins_contig = CONTIG_NONE; + } } /* @@ -4232,7 +4251,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, le16_to_cpu(el->l_next_free_rec); if (!insert->ins_tree_depth) { - ocfs2_figure_contig_type(inode, insert, el, insert_rec); + ocfs2_figure_contig_type(inode, insert, el, insert_rec, et); ocfs2_figure_appending_type(insert, el, insert_rec); return 0; } @@ -4266,7 +4285,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * into two types of appends: simple record append, or a * rotate inside the tail leaf. */ - ocfs2_figure_contig_type(inode, insert, el, insert_rec); + ocfs2_figure_contig_type(inode, insert, el, insert_rec, et); /* * The insert code isn't quite ready to deal with all cases of @@ -4402,7 +4421,7 @@ int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, int status; struct ocfs2_extent_tree *et = NULL; - et = ocfs2_new_extent_tree(root_bh, OCFS2_DINODE_EXTENT, NULL); + et = ocfs2_new_extent_tree(inode, root_bh, OCFS2_DINODE_EXTENT, NULL); if (!et) { status = -ENOMEM; mlog_errno(status); @@ -4433,7 +4452,8 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, int status; struct ocfs2_extent_tree *et = NULL; - et = ocfs2_new_extent_tree(root_bh, OCFS2_XATTR_VALUE_EXTENT, private); + et = ocfs2_new_extent_tree(inode, root_bh, + OCFS2_XATTR_VALUE_EXTENT, private); if (!et) { status = -ENOMEM; mlog_errno(status); @@ -4463,7 +4483,8 @@ int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, int status; struct ocfs2_extent_tree *et = NULL; - et = ocfs2_new_extent_tree(root_bh, OCFS2_XATTR_TREE_EXTENT, NULL); + et = ocfs2_new_extent_tree(inode, root_bh, OCFS2_XATTR_TREE_EXTENT, + NULL); if (!et) { status = -ENOMEM; mlog_errno(status); @@ -4879,7 +4900,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, goto out; } - et = ocfs2_new_extent_tree(root_bh, et_type, private); + et = ocfs2_new_extent_tree(inode, root_bh, et_type, private); if (!et) { ret = -ENOMEM; mlog_errno(ret); @@ -5177,7 +5198,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_path *path = NULL; struct ocfs2_extent_tree *et = NULL; - et = ocfs2_new_extent_tree(root_bh, et_type, private); + et = ocfs2_new_extent_tree(inode, root_bh, et_type, private); if (!et) { ret = -ENOMEM; mlog_errno(ret); diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index cd4e12d2b6b9..23c695ddaa52 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -32,6 +32,11 @@ enum ocfs2_extent_tree_type { OCFS2_XATTR_TREE_EXTENT, }; +/* + * For xattr tree leaf, we limit the leaf byte size to be 64K. + */ +#define OCFS2_MAX_XATTR_TREE_LEAF_SIZE 65536 + struct ocfs2_alloc_context; int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, handle_t *handle, -- GitLab From 012255961c9ecfe22b7a1df47ac26ab37818cb1e Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:53 +0800 Subject: [PATCH 4518/6244] ocfs2: Enable xattr set in index btree Where the previous patches added the ability of list/get xattr in buckets for ocfs2, this patch enables ocfs2 to store large numbers of EAs. The original design doc is written by Mark Fasheh, and it can be found in http://oss.oracle.com/osswiki/OCFS2/DesignDocs/IndexedEATrees. I only had to make small modifications to it. First, because the bucket size is 4K, a new field named xh_free_start is added in ocfs2_xattr_header to indicate the next valid name/value offset in a bucket. It is used when we store new EA name/value. With this field, we can find the place more quickly and what's more, we don't need to sort the name/value every time to let the last entry indicate the next unused space. This makes the insert operation more efficient for blocksizes smaller than 4k. Because of the new xh_free_start, another field named as xh_name_value_len is also added in ocfs2_xattr_header. It records the total length of all the name/values in the bucket. We need this so that we can check it and defragment the bucket if there is not enough contiguous free space. An xattr insertion looks like this: 1. xattr_index_block_find: find the right bucket by the name_hash, say bucketA. 2. check whether there is enough space in bucketA. If yes, insert it directly and modify xh_free_start and xh_name_value_len accordingly. If not, check xh_name_value_len to see whether we can store this by defragment the bucket. If yes, defragment it and go on insertion. 3. If defragement doesn't work, check whether there is new empty bucket in the clusters within this extent record. If yes, init the new bucket and move all the buckets after bucketA one by one to the next bucket. Move half of the entries in bucketA to the next bucket and go on insertion. 4. If there is no new bucket, grow the extent tree. As for xattr deletion, we will delete an xattr bucket when all it's xattrs are removed and move all the buckets after it to the previous one. When all the xattr buckets in an extend record are freed, free this extend records from ocfs2_xattr_tree. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 2267 +++++++++++++++++++++++++++++++++++++++++++++- fs/ocfs2/xattr.h | 8 + 2 files changed, 2273 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index acccdfabd2d6..5e8fae948882 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -36,6 +36,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_XATTR #include @@ -123,6 +124,13 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, char *buffer, size_t buffer_size); +static int ocfs2_xattr_create_index_block(struct inode *inode, + struct ocfs2_xattr_search *xs); + +static int ocfs2_xattr_set_entry_index_block(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs); + static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) { struct xattr_handler *handler = NULL; @@ -1767,6 +1775,52 @@ cleanup: return ret; } +/* + * When all the xattrs are deleted from index btree, the ocfs2_xattr_tree + * will be erased and ocfs2_xattr_block will have its ocfs2_xattr_header + * re-initialized. + */ +static int ocfs2_restore_xattr_block(struct inode *inode, + struct ocfs2_xattr_search *xs) +{ + int ret; + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; + struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list; + u16 xb_flags = le16_to_cpu(xb->xb_flags); + + BUG_ON(!(xb_flags & OCFS2_XATTR_INDEXED) || + le16_to_cpu(el->l_next_free_rec) != 0); + + handle = ocfs2_start_trans(osb, OCFS2_XATTR_BLOCK_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + handle = NULL; + goto out; + } + + ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize - + offsetof(struct ocfs2_xattr_block, xb_attrs)); + + xb->xb_flags = cpu_to_le16(xb_flags & ~OCFS2_XATTR_INDEXED); + + ocfs2_journal_dirty(handle, xs->xattr_bh); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + return ret; +} + /* * ocfs2_xattr_block_set() * @@ -1862,10 +1916,25 @@ out: ocfs2_free_alloc_context(meta_ac); if (ret < 0) return ret; + } else + xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; + + if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) { + /* Set extended attribute into external block */ + ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL); + if (!ret || ret != -ENOSPC) + goto end; + + ret = ocfs2_xattr_create_index_block(inode, xs); + if (ret) + goto end; } - /* Set extended attribute into external block */ - ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL); + ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs); + if (!ret && xblk->xb_attrs.xb_root.xt_list.l_next_free_rec == 0) + ret = ocfs2_restore_xattr_block(inode, xs); + +end: return ret; } @@ -1887,6 +1956,7 @@ int ocfs2_xattr_set(struct inode *inode, struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; int ret; + u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); struct ocfs2_xattr_info xi = { .name_index = name_index, @@ -1985,6 +2055,8 @@ cleanup: ocfs2_inode_unlock(inode, 1); brelse(di_bh); brelse(xbs.xattr_bh); + for (i = 0; i < blk_per_bucket; i++) + brelse(xbs.bucket.bhs[i]); return ret; } @@ -2475,3 +2547,2194 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, out: return ret; } + +static int cmp_xe(const void *a, const void *b) +{ + const struct ocfs2_xattr_entry *l = a, *r = b; + u32 l_hash = le32_to_cpu(l->xe_name_hash); + u32 r_hash = le32_to_cpu(r->xe_name_hash); + + if (l_hash > r_hash) + return 1; + if (l_hash < r_hash) + return -1; + return 0; +} + +static void swap_xe(void *a, void *b, int size) +{ + struct ocfs2_xattr_entry *l = a, *r = b, tmp; + + tmp = *l; + memcpy(l, r, sizeof(struct ocfs2_xattr_entry)); + memcpy(r, &tmp, sizeof(struct ocfs2_xattr_entry)); +} + +/* + * When the ocfs2_xattr_block is filled up, new bucket will be created + * and all the xattr entries will be moved to the new bucket. + * Note: we need to sort the entries since they are not saved in order + * in the ocfs2_xattr_block. + */ +static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, + struct buffer_head *xb_bh, + struct buffer_head *xh_bh, + struct buffer_head *data_bh) +{ + int i, blocksize = inode->i_sb->s_blocksize; + u16 offset, size, off_change; + struct ocfs2_xattr_entry *xe; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xb_bh->b_data; + struct ocfs2_xattr_header *xb_xh = &xb->xb_attrs.xb_header; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)xh_bh->b_data; + u16 count = le16_to_cpu(xb_xh->xh_count); + char *target = xh_bh->b_data, *src = xb_bh->b_data; + + mlog(0, "cp xattr from block %llu to bucket %llu\n", + (unsigned long long)xb_bh->b_blocknr, + (unsigned long long)xh_bh->b_blocknr); + + memset(xh_bh->b_data, 0, blocksize); + if (data_bh) + memset(data_bh->b_data, 0, blocksize); + /* + * Since the xe_name_offset is based on ocfs2_xattr_header, + * there is a offset change corresponding to the change of + * ocfs2_xattr_header's position. + */ + off_change = offsetof(struct ocfs2_xattr_block, xb_attrs.xb_header); + xe = &xb_xh->xh_entries[count - 1]; + offset = le16_to_cpu(xe->xe_name_offset) + off_change; + size = blocksize - offset; + + /* copy all the names and values. */ + if (data_bh) + target = data_bh->b_data; + memcpy(target + offset, src + offset, size); + + /* Init new header now. */ + xh->xh_count = xb_xh->xh_count; + xh->xh_num_buckets = cpu_to_le16(1); + xh->xh_name_value_len = cpu_to_le16(size); + xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE - size); + + /* copy all the entries. */ + target = xh_bh->b_data; + offset = offsetof(struct ocfs2_xattr_header, xh_entries); + size = count * sizeof(struct ocfs2_xattr_entry); + memcpy(target + offset, (char *)xb_xh + offset, size); + + /* Change the xe offset for all the xe because of the move. */ + off_change = OCFS2_XATTR_BUCKET_SIZE - blocksize + + offsetof(struct ocfs2_xattr_block, xb_attrs.xb_header); + for (i = 0; i < count; i++) + le16_add_cpu(&xh->xh_entries[i].xe_name_offset, off_change); + + mlog(0, "copy entry: start = %u, size = %u, offset_change = %u\n", + offset, size, off_change); + + sort(target + offset, count, sizeof(struct ocfs2_xattr_entry), + cmp_xe, swap_xe); +} + +/* + * After we move xattr from block to index btree, we have to + * update ocfs2_xattr_search to the new xe and base. + * + * When the entry is in xattr block, xattr_bh indicates the storage place. + * While if the entry is in index b-tree, "bucket" indicates the + * real place of the xattr. + */ +static int ocfs2_xattr_update_xattr_search(struct inode *inode, + struct ocfs2_xattr_search *xs, + struct buffer_head *old_bh, + struct buffer_head *new_bh) +{ + int ret = 0; + char *buf = old_bh->b_data; + struct ocfs2_xattr_block *old_xb = (struct ocfs2_xattr_block *)buf; + struct ocfs2_xattr_header *old_xh = &old_xb->xb_attrs.xb_header; + int i, blocksize = inode->i_sb->s_blocksize; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + xs->bucket.bhs[0] = new_bh; + get_bh(new_bh); + xs->bucket.xh = (struct ocfs2_xattr_header *)xs->bucket.bhs[0]->b_data; + xs->header = xs->bucket.xh; + + xs->base = new_bh->b_data; + xs->end = xs->base + inode->i_sb->s_blocksize; + + if (!xs->not_found) { + if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { + ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), + xs->bucket.bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bhs[1], + OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + return ret; + } + + i = xs->here - old_xh->xh_entries; + xs->here = &xs->header->xh_entries[i]; + } + } + + return ret; +} + +static int ocfs2_xattr_create_index_block(struct inode *inode, + struct ocfs2_xattr_search *xs) +{ + int ret, credits = OCFS2_SUBALLOC_ALLOC; + u32 bit_off, len; + u64 blkno; + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_inode_info *oi = OCFS2_I(inode); + struct ocfs2_alloc_context *data_ac; + struct buffer_head *xh_bh = NULL, *data_bh = NULL; + struct buffer_head *xb_bh = xs->xattr_bh; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xb_bh->b_data; + struct ocfs2_xattr_tree_root *xr; + u16 xb_flags = le16_to_cpu(xb->xb_flags); + u16 bpb = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + mlog(0, "create xattr index block for %llu\n", + (unsigned long long)xb_bh->b_blocknr); + + BUG_ON(xb_flags & OCFS2_XATTR_INDEXED); + + ret = ocfs2_reserve_clusters(osb, 1, &data_ac); + if (ret) { + mlog_errno(ret); + goto out; + } + + /* + * XXX: + * We can use this lock for now, and maybe move to a dedicated mutex + * if performance becomes a problem later. + */ + down_write(&oi->ip_alloc_sem); + + /* + * 3 more credits, one for xattr block update, one for the 1st block + * of the new xattr bucket and one for the value/data. + */ + credits += 3; + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out_sem; + } + + ret = ocfs2_journal_access(handle, inode, xb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + /* + * The bucket may spread in many blocks, and + * we will only touch the 1st block and the last block + * in the whole bucket(one for entry and one for data). + */ + blkno = ocfs2_clusters_to_blocks(inode->i_sb, bit_off); + + mlog(0, "allocate 1 cluster from %llu to xattr block\n", blkno); + + xh_bh = sb_getblk(inode->i_sb, blkno); + if (!xh_bh) { + ret = -EIO; + mlog_errno(ret); + goto out_commit; + } + + ocfs2_set_new_buffer_uptodate(inode, xh_bh); + + ret = ocfs2_journal_access(handle, inode, xh_bh, + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + if (bpb > 1) { + data_bh = sb_getblk(inode->i_sb, blkno + bpb - 1); + if (!data_bh) { + ret = -EIO; + mlog_errno(ret); + goto out_commit; + } + + ocfs2_set_new_buffer_uptodate(inode, data_bh); + + ret = ocfs2_journal_access(handle, inode, data_bh, + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + } + + ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xh_bh, data_bh); + + ocfs2_journal_dirty(handle, xh_bh); + if (data_bh) + ocfs2_journal_dirty(handle, data_bh); + + ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh); + + /* Change from ocfs2_xattr_header to ocfs2_xattr_tree_root */ + memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize - + offsetof(struct ocfs2_xattr_block, xb_attrs)); + + xr = &xb->xb_attrs.xb_root; + xr->xt_clusters = cpu_to_le32(1); + xr->xt_last_eb_blk = 0; + xr->xt_list.l_tree_depth = 0; + xr->xt_list.l_count = cpu_to_le16(ocfs2_xattr_recs_per_xb(inode->i_sb)); + xr->xt_list.l_next_free_rec = cpu_to_le16(1); + + xr->xt_list.l_recs[0].e_cpos = 0; + xr->xt_list.l_recs[0].e_blkno = cpu_to_le64(blkno); + xr->xt_list.l_recs[0].e_leaf_clusters = cpu_to_le16(1); + + xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED); + + ret = ocfs2_journal_dirty(handle, xb_bh); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + +out_commit: + ocfs2_commit_trans(osb, handle); + +out_sem: + up_write(&oi->ip_alloc_sem); + +out: + if (data_ac) + ocfs2_free_alloc_context(data_ac); + + brelse(xh_bh); + brelse(data_bh); + + return ret; +} + +static int cmp_xe_offset(const void *a, const void *b) +{ + const struct ocfs2_xattr_entry *l = a, *r = b; + u32 l_name_offset = le16_to_cpu(l->xe_name_offset); + u32 r_name_offset = le16_to_cpu(r->xe_name_offset); + + if (l_name_offset < r_name_offset) + return 1; + if (l_name_offset > r_name_offset) + return -1; + return 0; +} + +/* + * defrag a xattr bucket if we find that the bucket has some + * holes beteen name/value pairs. + * We will move all the name/value pairs to the end of the bucket + * so that we can spare some space for insertion. + */ +static int ocfs2_defrag_xattr_bucket(struct inode *inode, + struct ocfs2_xattr_bucket *bucket) +{ + int ret, i; + size_t end, offset, len, value_len; + struct ocfs2_xattr_header *xh; + char *entries, *buf, *bucket_buf = NULL; + u64 blkno = bucket->bhs[0]->b_blocknr; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + u16 xh_free_start; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + size_t blocksize = inode->i_sb->s_blocksize; + handle_t *handle; + struct buffer_head **bhs; + struct ocfs2_xattr_entry *xe; + + bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, + GFP_NOFS); + if (!bhs) + return -ENOMEM; + + ret = ocfs2_read_blocks(osb, blkno, blk_per_bucket, bhs, + OCFS2_BH_CACHED, inode); + if (ret) + goto out; + + /* + * In order to make the operation more efficient and generic, + * we copy all the blocks into a contiguous memory and do the + * defragment there, so if anything is error, we will not touch + * the real block. + */ + bucket_buf = kmalloc(OCFS2_XATTR_BUCKET_SIZE, GFP_NOFS); + if (!bucket_buf) { + ret = -EIO; + goto out; + } + + buf = bucket_buf; + for (i = 0; i < blk_per_bucket; i++, buf += blocksize) + memcpy(buf, bhs[i]->b_data, blocksize); + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), blk_per_bucket); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + handle = NULL; + mlog_errno(ret); + goto out; + } + + for (i = 0; i < blk_per_bucket; i++) { + ret = ocfs2_journal_access(handle, inode, bhs[i], + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto commit; + } + } + + xh = (struct ocfs2_xattr_header *)bucket_buf; + entries = (char *)xh->xh_entries; + xh_free_start = le16_to_cpu(xh->xh_free_start); + + mlog(0, "adjust xattr bucket in %llu, count = %u, " + "xh_free_start = %u, xh_name_value_len = %u.\n", + blkno, le16_to_cpu(xh->xh_count), xh_free_start, + le16_to_cpu(xh->xh_name_value_len)); + + /* + * sort all the entries by their offset. + * the largest will be the first, so that we can + * move them to the end one by one. + */ + sort(entries, le16_to_cpu(xh->xh_count), + sizeof(struct ocfs2_xattr_entry), + cmp_xe_offset, swap_xe); + + /* Move all name/values to the end of the bucket. */ + xe = xh->xh_entries; + end = OCFS2_XATTR_BUCKET_SIZE; + for (i = 0; i < le16_to_cpu(xh->xh_count); i++, xe++) { + offset = le16_to_cpu(xe->xe_name_offset); + if (ocfs2_xattr_is_local(xe)) + value_len = OCFS2_XATTR_SIZE( + le64_to_cpu(xe->xe_value_size)); + else + value_len = OCFS2_XATTR_ROOT_SIZE; + len = OCFS2_XATTR_SIZE(xe->xe_name_len) + value_len; + + /* + * We must make sure that the name/value pair + * exist in the same block. So adjust end to + * the previous block end if needed. + */ + if (((end - len) / blocksize != + (end - 1) / blocksize)) + end = end - end % blocksize; + + if (end > offset + len) { + memmove(bucket_buf + end - len, + bucket_buf + offset, len); + xe->xe_name_offset = cpu_to_le16(end - len); + } + + mlog_bug_on_msg(end < offset + len, "Defrag check failed for " + "bucket %llu\n", (unsigned long long)blkno); + + end -= len; + } + + mlog_bug_on_msg(xh_free_start > end, "Defrag check failed for " + "bucket %llu\n", (unsigned long long)blkno); + + if (xh_free_start == end) + goto commit; + + memset(bucket_buf + xh_free_start, 0, end - xh_free_start); + xh->xh_free_start = cpu_to_le16(end); + + /* sort the entries by their name_hash. */ + sort(entries, le16_to_cpu(xh->xh_count), + sizeof(struct ocfs2_xattr_entry), + cmp_xe, swap_xe); + + buf = bucket_buf; + for (i = 0; i < blk_per_bucket; i++, buf += blocksize) { + memcpy(bhs[i]->b_data, buf, blocksize); + ocfs2_journal_dirty(handle, bhs[i]); + } + +commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out: + + if (bhs) { + for (i = 0; i < blk_per_bucket; i++) + brelse(bhs[i]); + } + kfree(bhs); + + kfree(bucket_buf); + return ret; +} + +/* + * Move half nums of the xattr bucket in the previous cluster to this new + * cluster. We only touch the last cluster of the previous extend record. + * + * first_bh is the first buffer_head of a series of bucket in the same + * extent rec and header_bh is the header of one bucket in this cluster. + * They will be updated if we move the data header_bh contains to the new + * cluster. first_hash will be set as the 1st xe's name_hash of the new cluster. + */ +static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, + handle_t *handle, + struct buffer_head **first_bh, + struct buffer_head **header_bh, + u64 new_blkno, + u64 prev_blkno, + u32 num_clusters, + u32 *first_hash) +{ + int i, ret, credits; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); + int blocksize = inode->i_sb->s_blocksize; + struct buffer_head *old_bh, *new_bh, *prev_bh, *new_first_bh = NULL; + struct ocfs2_xattr_header *new_xh; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)((*first_bh)->b_data); + + BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets); + BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize); + + prev_bh = *first_bh; + get_bh(prev_bh); + xh = (struct ocfs2_xattr_header *)prev_bh->b_data; + + prev_blkno += (num_clusters - 1) * bpc + bpc / 2; + + mlog(0, "move half of xattrs in cluster %llu to %llu\n", + prev_blkno, new_blkno); + + /* + * We need to update the 1st half of the new cluster and + * 1 more for the update of the 1st bucket of the previous + * extent record. + */ + credits = bpc / 2 + 1; + ret = ocfs2_extend_trans(handle, credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, prev_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + for (i = 0; i < bpc / 2; i++, prev_blkno++, new_blkno++) { + old_bh = new_bh = NULL; + new_bh = sb_getblk(inode->i_sb, new_blkno); + if (!new_bh) { + ret = -EIO; + mlog_errno(ret); + goto out; + } + + ocfs2_set_new_buffer_uptodate(inode, new_bh); + + ret = ocfs2_journal_access(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret < 0) { + mlog_errno(ret); + brelse(new_bh); + goto out; + } + + ret = ocfs2_read_block(osb, prev_blkno, + &old_bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + brelse(new_bh); + goto out; + } + + memcpy(new_bh->b_data, old_bh->b_data, blocksize); + + if (i == 0) { + new_xh = (struct ocfs2_xattr_header *)new_bh->b_data; + new_xh->xh_num_buckets = cpu_to_le16(num_buckets / 2); + + if (first_hash) + *first_hash = le32_to_cpu( + new_xh->xh_entries[0].xe_name_hash); + new_first_bh = new_bh; + get_bh(new_first_bh); + } + + ocfs2_journal_dirty(handle, new_bh); + + if (*header_bh == old_bh) { + brelse(*header_bh); + *header_bh = new_bh; + get_bh(*header_bh); + + brelse(*first_bh); + *first_bh = new_first_bh; + get_bh(*first_bh); + } + brelse(new_bh); + brelse(old_bh); + } + + le16_add_cpu(&xh->xh_num_buckets, -(num_buckets / 2)); + + ocfs2_journal_dirty(handle, prev_bh); +out: + brelse(prev_bh); + brelse(new_first_bh); + return ret; +} + +static int ocfs2_read_xattr_bucket(struct inode *inode, + u64 blkno, + struct buffer_head **bhs, + int new) +{ + int ret = 0; + u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + if (!new) + return ocfs2_read_blocks(OCFS2_SB(inode->i_sb), blkno, + blk_per_bucket, bhs, + OCFS2_BH_CACHED, inode); + + for (i = 0; i < blk_per_bucket; i++) { + bhs[i] = sb_getblk(inode->i_sb, blkno + i); + if (bhs[i] == NULL) { + ret = -EIO; + mlog_errno(ret); + break; + } + ocfs2_set_new_buffer_uptodate(inode, bhs[i]); + } + + return ret; +} + +/* + * Move half num of the xattrs in old bucket(blk) to new bucket(new_blk). + * first_hash will record the 1st hash of the new bucket. + */ +static int ocfs2_half_xattr_bucket(struct inode *inode, + handle_t *handle, + u64 blk, + u64 new_blk, + u32 *first_hash, + int new_bucket_head) +{ + int ret, i; + u16 count, start, len, name_value_len, xe_len, name_offset; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + struct buffer_head **s_bhs, **t_bhs = NULL; + struct ocfs2_xattr_header *xh; + struct ocfs2_xattr_entry *xe; + int blocksize = inode->i_sb->s_blocksize; + + mlog(0, "move half of xattrs from bucket %llu to %llu\n", + blk, new_blk); + + s_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); + if (!s_bhs) + return -ENOMEM; + + ret = ocfs2_read_xattr_bucket(inode, blk, s_bhs, 0); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, s_bhs[0], + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + t_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); + if (!t_bhs) { + ret = -ENOMEM; + goto out; + } + + ret = ocfs2_read_xattr_bucket(inode, new_blk, t_bhs, new_bucket_head); + if (ret) { + mlog_errno(ret); + goto out; + } + + for (i = 0; i < blk_per_bucket; i++) { + ret = ocfs2_journal_access(handle, inode, t_bhs[i], + OCFS2_JOURNAL_ACCESS_CREATE); + if (ret) { + mlog_errno(ret); + goto out; + } + } + + /* copy the whole bucket to the new first. */ + for (i = 0; i < blk_per_bucket; i++) + memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); + + /* update the new bucket. */ + xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data; + count = le16_to_cpu(xh->xh_count); + start = count / 2; + + /* + * Calculate the total name/value len and xh_free_start for + * the old bucket first. + */ + name_offset = OCFS2_XATTR_BUCKET_SIZE; + name_value_len = 0; + for (i = 0; i < start; i++) { + xe = &xh->xh_entries[i]; + xe_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + if (ocfs2_xattr_is_local(xe)) + xe_len += + OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size)); + else + xe_len += OCFS2_XATTR_ROOT_SIZE; + name_value_len += xe_len; + if (le16_to_cpu(xe->xe_name_offset) < name_offset) + name_offset = le16_to_cpu(xe->xe_name_offset); + } + + /* + * Now begin the modification to the new bucket. + * + * In the new bucket, We just move the xattr entry to the beginning + * and don't touch the name/value. So there will be some holes in the + * bucket, and they will be removed when ocfs2_defrag_xattr_bucket is + * called. + */ + xe = &xh->xh_entries[start]; + len = sizeof(struct ocfs2_xattr_entry) * (count - start); + mlog(0, "mv xattr entry len %d from %d to %d\n", len, + (char *)xe - (char *)xh, (char *)xh->xh_entries - (char *)xh); + memmove((char *)xh->xh_entries, (char *)xe, len); + xe = &xh->xh_entries[count - start]; + len = sizeof(struct ocfs2_xattr_entry) * start; + memset((char *)xe, 0, len); + + le16_add_cpu(&xh->xh_count, -start); + le16_add_cpu(&xh->xh_name_value_len, -name_value_len); + + /* Calculate xh_free_start for the new bucket. */ + xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE); + for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { + xe = &xh->xh_entries[i]; + xe_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + if (ocfs2_xattr_is_local(xe)) + xe_len += + OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size)); + else + xe_len += OCFS2_XATTR_ROOT_SIZE; + if (le16_to_cpu(xe->xe_name_offset) < + le16_to_cpu(xh->xh_free_start)) + xh->xh_free_start = xe->xe_name_offset; + } + + /* set xh->xh_num_buckets for the new xh. */ + if (new_bucket_head) + xh->xh_num_buckets = cpu_to_le16(1); + else + xh->xh_num_buckets = 0; + + for (i = 0; i < blk_per_bucket; i++) { + ocfs2_journal_dirty(handle, t_bhs[i]); + if (ret) + mlog_errno(ret); + } + + /* store the first_hash of the new bucket. */ + if (first_hash) + *first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); + + /* + * Now only update the 1st block of the old bucket. + * Please note that the entry has been sorted already above. + */ + xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data; + memset(&xh->xh_entries[start], 0, + sizeof(struct ocfs2_xattr_entry) * (count - start)); + xh->xh_count = cpu_to_le16(start); + xh->xh_free_start = cpu_to_le16(name_offset); + xh->xh_name_value_len = cpu_to_le16(name_value_len); + + ocfs2_journal_dirty(handle, s_bhs[0]); + if (ret) + mlog_errno(ret); + +out: + if (s_bhs) { + for (i = 0; i < blk_per_bucket; i++) + brelse(s_bhs[i]); + } + kfree(s_bhs); + + if (t_bhs) { + for (i = 0; i < blk_per_bucket; i++) + brelse(t_bhs[i]); + } + kfree(t_bhs); + + return ret; +} + +/* + * Copy xattr from one bucket to another bucket. + * + * The caller must make sure that the journal transaction + * has enough space for journaling. + */ +static int ocfs2_cp_xattr_bucket(struct inode *inode, + handle_t *handle, + u64 s_blkno, + u64 t_blkno, + int t_is_new) +{ + int ret, i; + int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int blocksize = inode->i_sb->s_blocksize; + struct buffer_head **s_bhs, **t_bhs = NULL; + + BUG_ON(s_blkno == t_blkno); + + mlog(0, "cp bucket %llu to %llu, target is %d\n", + s_blkno, t_blkno, t_is_new); + + s_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, + GFP_NOFS); + if (!s_bhs) + return -ENOMEM; + + ret = ocfs2_read_xattr_bucket(inode, s_blkno, s_bhs, 0); + if (ret) + goto out; + + t_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, + GFP_NOFS); + if (!t_bhs) { + ret = -ENOMEM; + goto out; + } + + ret = ocfs2_read_xattr_bucket(inode, t_blkno, t_bhs, t_is_new); + if (ret) + goto out; + + for (i = 0; i < blk_per_bucket; i++) { + ret = ocfs2_journal_access(handle, inode, t_bhs[i], + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) + goto out; + } + + for (i = 0; i < blk_per_bucket; i++) { + memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); + ocfs2_journal_dirty(handle, t_bhs[i]); + } + +out: + if (s_bhs) { + for (i = 0; i < blk_per_bucket; i++) + brelse(s_bhs[i]); + } + kfree(s_bhs); + + if (t_bhs) { + for (i = 0; i < blk_per_bucket; i++) + brelse(t_bhs[i]); + } + kfree(t_bhs); + + return ret; +} + +/* + * Copy one xattr cluster from src_blk to to_blk. + * The to_blk will become the first bucket header of the cluster, so its + * xh_num_buckets will be initialized as the bucket num in the cluster. + */ +static int ocfs2_cp_xattr_cluster(struct inode *inode, + handle_t *handle, + struct buffer_head *first_bh, + u64 src_blk, + u64 to_blk, + u32 *first_hash) +{ + int i, ret, credits; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); + struct buffer_head *bh = NULL; + struct ocfs2_xattr_header *xh; + u64 to_blk_start = to_blk; + + mlog(0, "cp xattrs from cluster %llu to %llu\n", src_blk, to_blk); + + /* + * We need to update the new cluster and 1 more for the update of + * the 1st bucket of the previous extent rec. + */ + credits = bpc + 1; + ret = ocfs2_extend_trans(handle, credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, first_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + for (i = 0; i < num_buckets; i++) { + ret = ocfs2_cp_xattr_bucket(inode, handle, + src_blk, to_blk, 1); + if (ret) { + mlog_errno(ret); + goto out; + } + + src_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + to_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + } + + /* update the old bucket header. */ + xh = (struct ocfs2_xattr_header *)first_bh->b_data; + le16_add_cpu(&xh->xh_num_buckets, -num_buckets); + + ocfs2_journal_dirty(handle, first_bh); + + /* update the new bucket header. */ + ret = ocfs2_read_block(osb, to_blk_start, &bh, OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + xh = (struct ocfs2_xattr_header *)bh->b_data; + xh->xh_num_buckets = cpu_to_le16(num_buckets); + + ocfs2_journal_dirty(handle, bh); + + if (first_hash) + *first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); +out: + brelse(bh); + return ret; +} + +/* + * Move half of the xattrs in this cluster to the new cluster. + * This function should only be called when bucket size == cluster size. + * Otherwise ocfs2_mv_xattr_bucket_cross_cluster should be used instead. + */ +static int ocfs2_half_xattr_cluster(struct inode *inode, + handle_t *handle, + u64 prev_blk, + u64 new_blk, + u32 *first_hash) +{ + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int ret, credits = 2 * blk_per_bucket; + + BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize); + + ret = ocfs2_extend_trans(handle, credits); + if (ret) { + mlog_errno(ret); + return ret; + } + + /* Move half of the xattr in start_blk to the next bucket. */ + return ocfs2_half_xattr_bucket(inode, handle, prev_blk, + new_blk, first_hash, 1); +} + +/* + * Move some xattrs from the old cluster to the new one since they are not + * contiguous in ocfs2 xattr tree. + * + * new_blk starts a new separate cluster, and we will move some xattrs from + * prev_blk to it. v_start will be set as the first name hash value in this + * new cluster so that it can be used as e_cpos during tree insertion and + * don't collide with our original b-tree operations. first_bh and header_bh + * will also be updated since they will be used in ocfs2_extend_xattr_bucket + * to extend the insert bucket. + * + * The problem is how much xattr should we move to the new one and when should + * we update first_bh and header_bh? + * 1. If cluster size > bucket size, that means the previous cluster has more + * than 1 bucket, so just move half nums of bucket into the new cluster and + * update the first_bh and header_bh if the insert bucket has been moved + * to the new cluster. + * 2. If cluster_size == bucket_size: + * a) If the previous extent rec has more than one cluster and the insert + * place isn't in the last cluster, copy the entire last cluster to the + * new one. This time, we don't need to upate the first_bh and header_bh + * since they will not be moved into the new cluster. + * b) Otherwise, move the bottom half of the xattrs in the last cluster into + * the new one. And we set the extend flag to zero if the insert place is + * moved into the new allocated cluster since no extend is needed. + */ +static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, + handle_t *handle, + struct buffer_head **first_bh, + struct buffer_head **header_bh, + u64 new_blk, + u64 prev_blk, + u32 prev_clusters, + u32 *v_start, + int *extend) +{ + int ret = 0; + int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + + mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n", + prev_blk, prev_clusters, new_blk); + + if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) + ret = ocfs2_mv_xattr_bucket_cross_cluster(inode, + handle, + first_bh, + header_bh, + new_blk, + prev_blk, + prev_clusters, + v_start); + else { + u64 last_blk = prev_blk + bpc * (prev_clusters - 1); + + if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) + ret = ocfs2_cp_xattr_cluster(inode, handle, *first_bh, + last_blk, new_blk, + v_start); + else { + ret = ocfs2_half_xattr_cluster(inode, handle, + last_blk, new_blk, + v_start); + + if ((*header_bh)->b_blocknr == last_blk && extend) + *extend = 0; + } + } + + return ret; +} + +/* + * Add a new cluster for xattr storage. + * + * If the new cluster is contiguous with the previous one, it will be + * appended to the same extent record, and num_clusters will be updated. + * If not, we will insert a new extent for it and move some xattrs in + * the last cluster into the new allocated one. + * We also need to limit the maximum size of a btree leaf, otherwise we'll + * lose the benefits of hashing because we'll have to search large leaves. + * So now the maximum size is OCFS2_MAX_XATTR_TREE_LEAF_SIZE(or clustersize, + * if it's bigger). + * + * first_bh is the first block of the previous extent rec and header_bh + * indicates the bucket we will insert the new xattrs. They will be updated + * when the header_bh is moved into the new cluster. + */ +static int ocfs2_add_new_xattr_cluster(struct inode *inode, + struct buffer_head *root_bh, + struct buffer_head **first_bh, + struct buffer_head **header_bh, + u32 *num_clusters, + u32 prev_cpos, + u64 prev_blkno, + int *extend) +{ + int ret, credits; + u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + u32 prev_clusters = *num_clusters; + u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0; + u64 block; + handle_t *handle = NULL; + struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *meta_ac = NULL; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)root_bh->b_data; + struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; + struct ocfs2_extent_list *root_el = &xb_root->xt_list; + enum ocfs2_extent_tree_type type = OCFS2_XATTR_TREE_EXTENT; + + mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " + "previous xattr blkno = %llu\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + prev_cpos, prev_blkno); + + ret = ocfs2_lock_allocators(inode, root_bh, root_el, + clusters_to_add, 0, &data_ac, + &meta_ac, type, NULL); + if (ret) { + mlog_errno(ret); + goto leave; + } + + credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + handle = NULL; + mlog_errno(ret); + goto leave; + } + + ret = ocfs2_journal_access(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto leave; + } + + ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1, + clusters_to_add, &bit_off, &num_bits); + if (ret < 0) { + if (ret != -ENOSPC) + mlog_errno(ret); + goto leave; + } + + BUG_ON(num_bits > clusters_to_add); + + block = ocfs2_clusters_to_blocks(osb->sb, bit_off); + mlog(0, "Allocating %u clusters at block %u for xattr in inode %llu\n", + num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); + + if (prev_blkno + prev_clusters * bpc == block && + (prev_clusters + num_bits) << osb->s_clustersize_bits <= + OCFS2_MAX_XATTR_TREE_LEAF_SIZE) { + /* + * If this cluster is contiguous with the old one and + * adding this new cluster, we don't surpass the limit of + * OCFS2_MAX_XATTR_TREE_LEAF_SIZE, cool. We will let it be + * initialized and used like other buckets in the previous + * cluster. + * So add it as a contiguous one. The caller will handle + * its init process. + */ + v_start = prev_cpos + prev_clusters; + *num_clusters = prev_clusters + num_bits; + mlog(0, "Add contiguous %u clusters to previous extent rec.\n", + num_bits); + } else { + ret = ocfs2_adjust_xattr_cross_cluster(inode, + handle, + first_bh, + header_bh, + block, + prev_blkno, + prev_clusters, + &v_start, + extend); + if (ret) { + mlog_errno(ret); + goto leave; + } + } + + mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", + num_bits, block, v_start); + ret = ocfs2_xattr_tree_insert_extent(osb, handle, inode, root_bh, + v_start, block, num_bits, + 0, meta_ac); + if (ret < 0) { + mlog_errno(ret); + goto leave; + } + + ret = ocfs2_journal_dirty(handle, root_bh); + if (ret < 0) { + mlog_errno(ret); + goto leave; + } + +leave: + if (handle) + ocfs2_commit_trans(osb, handle); + if (data_ac) + ocfs2_free_alloc_context(data_ac); + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + + return ret; +} + +/* + * Extend a new xattr bucket and move xattrs to the end one by one until + * We meet with start_bh. Only move half of the xattrs to the bucket after it. + */ +static int ocfs2_extend_xattr_bucket(struct inode *inode, + struct buffer_head *first_bh, + struct buffer_head *start_bh, + u32 num_clusters) +{ + int ret, credits; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + u64 start_blk = start_bh->b_blocknr, end_blk; + u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb); + handle_t *handle; + struct ocfs2_xattr_header *first_xh = + (struct ocfs2_xattr_header *)first_bh->b_data; + u16 bucket = le16_to_cpu(first_xh->xh_num_buckets); + + mlog(0, "extend xattr bucket in %llu, xattr extend rec starting " + "from %llu, len = %u\n", start_blk, + (unsigned long long)first_bh->b_blocknr, num_clusters); + + BUG_ON(bucket >= num_buckets); + + end_blk = first_bh->b_blocknr + (bucket - 1) * blk_per_bucket; + + /* + * We will touch all the buckets after the start_bh(include it). + * Add one more bucket and modify the first_bh. + */ + credits = end_blk - start_blk + 2 * blk_per_bucket + 1; + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + handle = NULL; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, first_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto commit; + } + + while (end_blk != start_blk) { + ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk, + end_blk + blk_per_bucket, 0); + if (ret) + goto commit; + end_blk -= blk_per_bucket; + } + + /* Move half of the xattr in start_blk to the next bucket. */ + ret = ocfs2_half_xattr_bucket(inode, handle, start_blk, + start_blk + blk_per_bucket, NULL, 0); + + le16_add_cpu(&first_xh->xh_num_buckets, 1); + ocfs2_journal_dirty(handle, first_bh); + +commit: + ocfs2_commit_trans(osb, handle); +out: + return ret; +} + +/* + * Add new xattr bucket in an extent record and adjust the buckets accordingly. + * xb_bh is the ocfs2_xattr_block. + * We will move all the buckets starting from header_bh to the next place. As + * for this one, half num of its xattrs will be moved to the next one. + * + * We will allocate a new cluster if current cluster is full and adjust + * header_bh and first_bh if the insert place is moved to the new cluster. + */ +static int ocfs2_add_new_xattr_bucket(struct inode *inode, + struct buffer_head *xb_bh, + struct buffer_head *header_bh) +{ + struct ocfs2_xattr_header *first_xh = NULL; + struct buffer_head *first_bh = NULL; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xb_bh->b_data; + struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; + struct ocfs2_extent_list *el = &xb_root->xt_list; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)header_bh->b_data; + u32 name_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); + struct super_block *sb = inode->i_sb; + struct ocfs2_super *osb = OCFS2_SB(sb); + int ret, num_buckets, extend = 1; + u64 p_blkno; + u32 e_cpos, num_clusters; + + mlog(0, "Add new xattr bucket starting form %llu\n", + (unsigned long long)header_bh->b_blocknr); + + /* + * Add refrence for header_bh here because it may be + * changed in ocfs2_add_new_xattr_cluster and we need + * to free it in the end. + */ + get_bh(header_bh); + + ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, &e_cpos, + &num_clusters, el); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_block(osb, p_blkno, + &first_bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters; + first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; + + if (num_buckets == le16_to_cpu(first_xh->xh_num_buckets)) { + ret = ocfs2_add_new_xattr_cluster(inode, + xb_bh, + &first_bh, + &header_bh, + &num_clusters, + e_cpos, + p_blkno, + &extend); + if (ret) { + mlog_errno(ret); + goto out; + } + } + + if (extend) + ret = ocfs2_extend_xattr_bucket(inode, + first_bh, + header_bh, + num_clusters); + if (ret) + mlog_errno(ret); +out: + brelse(first_bh); + brelse(header_bh); + return ret; +} + +static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + int offs) +{ + int block_off = offs >> inode->i_sb->s_blocksize_bits; + + offs = offs % inode->i_sb->s_blocksize; + return bucket->bhs[block_off]->b_data + offs; +} + +/* + * Handle the normal xattr set, including replace, delete and new. + * When the bucket is empty, "is_empty" is set and the caller can + * free this bucket. + * + * Note: "local" indicates the real data's locality. So we can't + * just its bucket locality by its length. + */ +static void ocfs2_xattr_set_entry_normal(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + u32 name_hash, + int local, + int *is_empty) +{ + struct ocfs2_xattr_entry *last, *xe; + int name_len = strlen(xi->name); + struct ocfs2_xattr_header *xh = xs->header; + u16 count = le16_to_cpu(xh->xh_count), start; + size_t blocksize = inode->i_sb->s_blocksize; + char *val; + size_t offs, size, new_size; + + last = &xh->xh_entries[count]; + if (!xs->not_found) { + xe = xs->here; + offs = le16_to_cpu(xe->xe_name_offset); + if (ocfs2_xattr_is_local(xe)) + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size)); + else + size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(OCFS2_XATTR_ROOT_SIZE); + + /* + * If the new value will be stored outside, xi->value has been + * initalized as an empty ocfs2_xattr_value_root, and the same + * goes with xi->value_len, so we can set new_size safely here. + * See ocfs2_xattr_set_in_bucket. + */ + new_size = OCFS2_XATTR_SIZE(name_len) + + OCFS2_XATTR_SIZE(xi->value_len); + + le16_add_cpu(&xh->xh_name_value_len, -size); + if (xi->value) { + if (new_size > size) + goto set_new_name_value; + + /* Now replace the old value with new one. */ + if (local) + xe->xe_value_size = cpu_to_le64(xi->value_len); + else + xe->xe_value_size = 0; + + val = ocfs2_xattr_bucket_get_val(inode, + &xs->bucket, offs); + memset(val + OCFS2_XATTR_SIZE(name_len), 0, + size - OCFS2_XATTR_SIZE(name_len)); + if (OCFS2_XATTR_SIZE(xi->value_len) > 0) + memcpy(val + OCFS2_XATTR_SIZE(name_len), + xi->value, xi->value_len); + + le16_add_cpu(&xh->xh_name_value_len, new_size); + ocfs2_xattr_set_local(xe, local); + return; + } else { + /* Remove the old entry. */ + last -= 1; + memmove(xe, xe + 1, + (void *)last - (void *)xe); + memset(last, 0, sizeof(struct ocfs2_xattr_entry)); + le16_add_cpu(&xh->xh_count, -1); + if (xh->xh_count == 0 && is_empty) + *is_empty = 1; + return; + } + } else { + /* find a new entry for insert. */ + int low = 0, high = count - 1, tmp; + struct ocfs2_xattr_entry *tmp_xe; + + while (low <= high) { + tmp = (low + high) / 2; + tmp_xe = &xh->xh_entries[tmp]; + + if (name_hash > le32_to_cpu(tmp_xe->xe_name_hash)) + low = tmp + 1; + else if (name_hash < + le32_to_cpu(tmp_xe->xe_name_hash)) + high = tmp - 1; + else + break; + } + + xe = &xh->xh_entries[low]; + if (low != count) + memmove(xe + 1, xe, (void *)last - (void *)xe); + + le16_add_cpu(&xh->xh_count, 1); + memset(xe, 0, sizeof(struct ocfs2_xattr_entry)); + xe->xe_name_hash = cpu_to_le32(name_hash); + xe->xe_name_len = name_len; + ocfs2_xattr_set_type(xe, xi->name_index); + } + +set_new_name_value: + /* Insert the new name+value. */ + size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(xi->value_len); + + /* + * We must make sure that the name/value pair + * exists in the same block. + */ + offs = le16_to_cpu(xh->xh_free_start); + start = offs - size; + + if (start >> inode->i_sb->s_blocksize_bits != + (offs - 1) >> inode->i_sb->s_blocksize_bits) { + offs = offs - offs % blocksize; + xh->xh_free_start = cpu_to_le16(offs); + } + + val = ocfs2_xattr_bucket_get_val(inode, + &xs->bucket, offs - size); + xe->xe_name_offset = cpu_to_le16(offs - size); + + memset(val, 0, size); + memcpy(val, xi->name, name_len); + memcpy(val + OCFS2_XATTR_SIZE(name_len), xi->value, xi->value_len); + + xe->xe_value_size = cpu_to_le64(xi->value_len); + ocfs2_xattr_set_local(xe, local); + xs->here = xe; + le16_add_cpu(&xh->xh_free_start, -size); + le16_add_cpu(&xh->xh_name_value_len, size); + + return; +} + +static int ocfs2_xattr_bucket_handle_journal(struct inode *inode, + handle_t *handle, + struct ocfs2_xattr_search *xs, + struct buffer_head **bhs, + u16 bh_num) +{ + int ret = 0, off, block_off; + struct ocfs2_xattr_entry *xe = xs->here; + + /* + * First calculate all the blocks we should journal_access + * and journal_dirty. The first block should always be touched. + */ + ret = ocfs2_journal_dirty(handle, bhs[0]); + if (ret) + mlog_errno(ret); + + /* calc the data. */ + off = le16_to_cpu(xe->xe_name_offset); + block_off = off >> inode->i_sb->s_blocksize_bits; + ret = ocfs2_journal_dirty(handle, bhs[block_off]); + if (ret) + mlog_errno(ret); + + return ret; +} + +/* + * Set the xattr entry in the specified bucket. + * The bucket is indicated by xs->bucket and it should have the enough + * space for the xattr insertion. + */ +static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + u32 name_hash, + int local, + int *bucket_empty) +{ + int i, ret; + handle_t *handle = NULL; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + mlog(0, "Set xattr entry len = %d index = %d in bucket %llu\n", + xi->value_len, xi->name_index, + (unsigned long long)xs->bucket.bhs[0]->b_blocknr); + + if (!xs->bucket.bhs[1]) { + ret = ocfs2_read_blocks(osb, + xs->bucket.bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bhs[1], + OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans(osb, blk_per_bucket); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + handle = NULL; + mlog_errno(ret); + goto out; + } + + for (i = 0; i < blk_per_bucket; i++) { + ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[i], + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, + local, bucket_empty); + + /*Only dirty the blocks we have touched in set xattr. */ + ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs, + xs->bucket.bhs, blk_per_bucket); + if (ret) + mlog_errno(ret); +out: + ocfs2_commit_trans(osb, handle); + + return ret; +} + +static int ocfs2_xattr_value_update_size(struct inode *inode, + struct buffer_head *xe_bh, + struct ocfs2_xattr_entry *xe, + u64 new_size) +{ + int ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + handle_t *handle = NULL; + + handle = ocfs2_start_trans(osb, 1); + if (handle == NULL) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, xe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto out_commit; + } + + xe->xe_value_size = cpu_to_le64(new_size); + + ret = ocfs2_journal_dirty(handle, xe_bh); + if (ret < 0) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + return ret; +} + +/* + * Truncate the specified xe_off entry in xattr bucket. + * bucket is indicated by header_bh and len is the new length. + * Both the ocfs2_xattr_value_root and the entry will be updated here. + * + * Copy the new updated xe and xe_value_root to new_xe and new_xv if needed. + */ +static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, + struct buffer_head *header_bh, + int xe_off, + int len) +{ + int ret, offset; + u64 value_blk; + struct buffer_head *value_bh = NULL; + struct ocfs2_xattr_value_root *xv; + struct ocfs2_xattr_entry *xe; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)header_bh->b_data; + size_t blocksize = inode->i_sb->s_blocksize; + + xe = &xh->xh_entries[xe_off]; + + BUG_ON(!xe || ocfs2_xattr_is_local(xe)); + + offset = le16_to_cpu(xe->xe_name_offset) + + OCFS2_XATTR_SIZE(xe->xe_name_len); + + value_blk = offset / blocksize; + + /* We don't allow ocfs2_xattr_value to be stored in different block. */ + BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); + value_blk += header_bh->b_blocknr; + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), value_blk, + &value_bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + goto out; + } + + xv = (struct ocfs2_xattr_value_root *) + (value_bh->b_data + offset % blocksize); + + mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", + xe_off, (unsigned long long)header_bh->b_blocknr, len); + ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len); + if (ret) { + mlog_errno(ret); + goto out; + } + +out: + brelse(value_bh); + return ret; +} + +static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, + struct ocfs2_xattr_search *xs, + int len) +{ + int ret, offset; + struct ocfs2_xattr_entry *xe = xs->here; + struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base; + + BUG_ON(!xs->bucket.bhs[0] || !xe || ocfs2_xattr_is_local(xe)); + + offset = xe - xh->xh_entries; + ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bhs[0], + offset, len); + if (ret) + mlog_errno(ret); + + return ret; +} + +static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, + struct ocfs2_xattr_search *xs, + char *val, + int value_len) +{ + int offset; + struct ocfs2_xattr_value_root *xv; + struct ocfs2_xattr_entry *xe = xs->here; + + BUG_ON(!xs->base || !xe || ocfs2_xattr_is_local(xe)); + + offset = le16_to_cpu(xe->xe_name_offset) + + OCFS2_XATTR_SIZE(xe->xe_name_len); + + xv = (struct ocfs2_xattr_value_root *)(xs->base + offset); + + return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len); +} + +/* + * Remove the xattr bucket pointed by bucket_bh. + * All the buckets after it in the same xattr extent rec will be + * move forward one by one. + */ +static int ocfs2_rm_xattr_bucket(struct inode *inode, + struct buffer_head *first_bh, + struct ocfs2_xattr_bucket *bucket) +{ + int ret = 0, credits; + struct ocfs2_xattr_header *xh = + (struct ocfs2_xattr_header *)first_bh->b_data; + u16 bucket_num = le16_to_cpu(xh->xh_num_buckets); + u64 end, start = bucket->bhs[0]->b_blocknr; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + handle_t *handle; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + end = first_bh->b_blocknr + (bucket_num - 1) * blk_per_bucket; + + mlog(0, "rm xattr bucket %llu\n", start); + /* + * We need to update the first xattr_header and all the buckets starting + * from start in this xattr rec. + * + * XXX: Should we empty the old last bucket here? + */ + credits = 1 + end - start; + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + return ret; + } + + ret = ocfs2_journal_access(handle, inode, first_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + + while (start < end) { + ret = ocfs2_cp_xattr_bucket(inode, handle, + start + blk_per_bucket, + start, 0); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + start += blk_per_bucket; + } + + /* update the first_bh. */ + xh->xh_num_buckets = cpu_to_le16(bucket_num - 1); + ocfs2_journal_dirty(handle, first_bh); + +out_commit: + ocfs2_commit_trans(osb, handle); + return ret; +} + +static int ocfs2_rm_xattr_cluster(struct inode *inode, + struct buffer_head *root_bh, + u64 blkno, + u32 cpos, + u32 len) +{ + int ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)root_bh->b_data; + struct ocfs2_extent_list *root_el = &xb->xb_attrs.xb_root.xt_list; + struct ocfs2_alloc_context *meta_ac = NULL; + struct ocfs2_cached_dealloc_ctxt dealloc; + + ocfs2_init_dealloc_ctxt(&dealloc); + + mlog(0, "rm xattr extent rec at %u len = %u, start from %llu\n", + cpos, len, (unsigned long long)blkno); + + ocfs2_remove_xattr_clusters_from_cache(inode, blkno, len); + + ret = ocfs2_lock_allocators(inode, root_bh, root_el, + 0, 1, NULL, &meta_ac, + OCFS2_XATTR_TREE_EXTENT, NULL); + if (ret) { + mlog_errno(ret); + return ret; + } + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + if (handle == NULL) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, + &dealloc, OCFS2_XATTR_TREE_EXTENT, NULL); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, -len); + + ret = ocfs2_journal_dirty(handle, root_bh); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_truncate_log_append(osb, handle, blkno, len); + if (ret) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + ocfs2_schedule_truncate_log_flush(osb, 1); + + mutex_unlock(&tl_inode->i_mutex); + + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + + ocfs2_run_deallocs(osb, &dealloc); + + return ret; +} + +/* + * Free the xattr bucket indicated by xs->bucket and if all the buckets + * in the clusters is free, free the clusters also. + */ +static int ocfs2_xattr_bucket_shrink(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs, + u32 name_hash) +{ + int ret; + u32 e_cpos, num_clusters; + u64 p_blkno; + struct buffer_head *first_bh = NULL; + struct ocfs2_xattr_header *first_xh; + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; + + BUG_ON(xs->header->xh_count != 0); + + ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, + &e_cpos, &num_clusters, + &xb->xb_attrs.xb_root.xt_list); + if (ret) { + mlog_errno(ret); + return ret; + } + + ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, + &first_bh, OCFS2_BH_CACHED, inode); + if (ret) { + mlog_errno(ret); + return ret; + } + + ret = ocfs2_rm_xattr_bucket(inode, first_bh, &xs->bucket); + if (ret) { + mlog_errno(ret); + goto out; + } + + first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; + if (first_xh->xh_num_buckets == 0) + ret = ocfs2_rm_xattr_cluster(inode, xs->xattr_bh, + p_blkno, e_cpos, + num_clusters); + +out: + brelse(first_bh); + return ret; +} + +static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, + struct ocfs2_xattr_search *xs) +{ + handle_t *handle = NULL; + struct ocfs2_xattr_header *xh = xs->bucket.xh; + struct ocfs2_xattr_entry *last = &xh->xh_entries[ + le16_to_cpu(xh->xh_count) - 1]; + int ret = 0; + + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), 1); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + return; + } + + ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[0], + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + /* Remove the old entry. */ + memmove(xs->here, xs->here + 1, + (void *)last - (void *)xs->here); + memset(last, 0, sizeof(struct ocfs2_xattr_entry)); + le16_add_cpu(&xh->xh_count, -1); + + ret = ocfs2_journal_dirty(handle, xs->bucket.bhs[0]); + if (ret < 0) + mlog_errno(ret); +out_commit: + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +} + +/* + * Set the xattr name/value in the bucket specified in xs. + * + * As the new value in xi may be stored in the bucket or in an outside cluster, + * we divide the whole process into 3 steps: + * 1. insert name/value in the bucket(ocfs2_xattr_set_entry_in_bucket) + * 2. truncate of the outside cluster(ocfs2_xattr_bucket_value_truncate_xs) + * 3. Set the value to the outside cluster(ocfs2_xattr_bucket_set_value_outside) + * 4. If the clusters for the new outside value can't be allocated, we need + * to free the xattr we allocated in set. + */ +static int ocfs2_xattr_set_in_bucket(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + int ret, local = 1, bucket_empty = 0; + size_t value_len; + char *val = (char *)xi->value; + struct ocfs2_xattr_entry *xe = xs->here; + u32 name_hash = ocfs2_xattr_hash_by_name(inode, + xi->name_index, xi->name); + + if (!xs->not_found && !ocfs2_xattr_is_local(xe)) { + /* + * We need to truncate the xattr storage first. + * + * If both the old and new value are stored to + * outside block, we only need to truncate + * the storage and then set the value outside. + * + * If the new value should be stored within block, + * we should free all the outside block first and + * the modification to the xattr block will be done + * by following steps. + */ + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + value_len = xi->value_len; + else + value_len = 0; + + ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, + value_len); + if (ret) + goto out; + + if (value_len) + goto set_value_outside; + } + + value_len = xi->value_len; + /* So we have to handle the inside block change now. */ + if (value_len > OCFS2_XATTR_INLINE_SIZE) { + /* + * If the new value will be stored outside of block, + * initalize a new empty value root and insert it first. + */ + local = 0; + xi->value = &def_xv; + xi->value_len = OCFS2_XATTR_ROOT_SIZE; + } + + ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, + local, &bucket_empty); + if (ret) { + mlog_errno(ret); + goto out; + } + + if (value_len > OCFS2_XATTR_INLINE_SIZE) { + /* allocate the space now for the outside block storage. */ + ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, + value_len); + if (ret) { + mlog_errno(ret); + + if (xs->not_found) { + /* + * We can't allocate enough clusters for outside + * storage and we have allocated xattr already, + * so need to remove it. + */ + ocfs2_xattr_bucket_remove_xs(inode, xs); + } + goto out; + } + } else { + if (bucket_empty) + ret = ocfs2_xattr_bucket_shrink(inode, xi, + xs, name_hash); + goto out; + } + +set_value_outside: + ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len); +out: + return ret; +} + +/* check whether the xattr bucket is filled up with the same hash value. */ +static int ocfs2_check_xattr_bucket_collision(struct inode *inode, + struct ocfs2_xattr_bucket *bucket) +{ + struct ocfs2_xattr_header *xh = bucket->xh; + + if (xh->xh_entries[le16_to_cpu(xh->xh_count) - 1].xe_name_hash == + xh->xh_entries[0].xe_name_hash) { + mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, " + "hash = %u\n", + (unsigned long long)bucket->bhs[0]->b_blocknr, + le32_to_cpu(xh->xh_entries[0].xe_name_hash)); + return -ENOSPC; + } + + return 0; +} + +static int ocfs2_xattr_set_entry_index_block(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + struct ocfs2_xattr_header *xh; + struct ocfs2_xattr_entry *xe; + u16 count, header_size, xh_free_start; + int i, free, max_free, need, old; + size_t value_size = 0, name_len = strlen(xi->name); + size_t blocksize = inode->i_sb->s_blocksize; + int ret, allocation = 0; + u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + mlog_entry("Set xattr %s in xattr index block\n", xi->name); + +try_again: + xh = xs->header; + count = le16_to_cpu(xh->xh_count); + xh_free_start = le16_to_cpu(xh->xh_free_start); + header_size = sizeof(struct ocfs2_xattr_header) + + count * sizeof(struct ocfs2_xattr_entry); + max_free = OCFS2_XATTR_BUCKET_SIZE - + le16_to_cpu(xh->xh_name_value_len) - header_size; + + mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size " + "of %u which exceed block size\n", + (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + header_size); + + if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) + value_size = OCFS2_XATTR_ROOT_SIZE; + else if (xi->value) + value_size = OCFS2_XATTR_SIZE(xi->value_len); + + if (xs->not_found) + need = sizeof(struct ocfs2_xattr_entry) + + OCFS2_XATTR_SIZE(name_len) + value_size; + else { + need = value_size + OCFS2_XATTR_SIZE(name_len); + + /* + * We only replace the old value if the new length is smaller + * than the old one. Otherwise we will allocate new space in the + * bucket to store it. + */ + xe = xs->here; + if (ocfs2_xattr_is_local(xe)) + old = OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size)); + else + old = OCFS2_XATTR_SIZE(OCFS2_XATTR_ROOT_SIZE); + + if (old >= value_size) + need = 0; + } + + free = xh_free_start - header_size; + /* + * We need to make sure the new name/value pair + * can exist in the same block. + */ + if (xh_free_start % blocksize < need) + free -= xh_free_start % blocksize; + + mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, " + "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len =" + " %u\n", xs->not_found, + (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + free, need, max_free, le16_to_cpu(xh->xh_free_start), + le16_to_cpu(xh->xh_name_value_len)); + + if (free < need || count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { + if (need <= max_free && + count < ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { + /* + * We can create the space by defragment. Since only the + * name/value will be moved, the xe shouldn't be changed + * in xs. + */ + ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket); + if (ret) { + mlog_errno(ret); + goto out; + } + + xh_free_start = le16_to_cpu(xh->xh_free_start); + free = xh_free_start - header_size; + if (xh_free_start % blocksize < need) + free -= xh_free_start % blocksize; + + if (free >= need) + goto xattr_set; + + mlog(0, "Can't get enough space for xattr insert by " + "defragment. Need %u bytes, but we have %d, so " + "allocate new bucket for it.\n", need, free); + } + + /* + * We have to add new buckets or clusters and one + * allocation should leave us enough space for insert. + */ + BUG_ON(allocation); + + /* + * We do not allow for overlapping ranges between buckets. And + * the maximum number of collisions we will allow for then is + * one bucket's worth, so check it here whether we need to + * add a new bucket for the insert. + */ + ret = ocfs2_check_xattr_bucket_collision(inode, &xs->bucket); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_add_new_xattr_bucket(inode, + xs->xattr_bh, + xs->bucket.bhs[0]); + if (ret) { + mlog_errno(ret); + goto out; + } + + for (i = 0; i < blk_per_bucket; i++) + brelse(xs->bucket.bhs[i]); + + memset(&xs->bucket, 0, sizeof(xs->bucket)); + + ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh, + xi->name_index, + xi->name, xs); + if (ret && ret != -ENODATA) + goto out; + xs->not_found = ret; + allocation = 1; + goto try_again; + } + +xattr_set: + ret = ocfs2_xattr_set_in_bucket(inode, xi, xs); +out: + mlog_exit(ret); + return ret; +} diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 02afa87d5e69..c25c7c62a059 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -57,4 +57,12 @@ static inline u16 ocfs2_blocks_per_xattr_bucket(struct super_block *sb) { return OCFS2_XATTR_BUCKET_SIZE / (1 << sb->s_blocksize_bits); } + +static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) +{ + u16 len = sb->s_blocksize - + offsetof(struct ocfs2_xattr_header, xh_entries); + + return len / sizeof(struct ocfs2_xattr_entry); +} #endif /* OCFS2_XATTR_H */ -- GitLab From a394425643e1e9c3a624d629fc8ba5633d8474c6 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 18 Aug 2008 17:38:54 +0800 Subject: [PATCH 4519/6244] ocfs2: Delete all xattr buckets during inode removal In inode removal, we need to iterate all the buckets, remove any externally-stored EA values and delete the xattr buckets. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 84 +++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 80 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5e8fae948882..9ec7136b3ad7 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -131,6 +131,9 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs); +static int ocfs2_delete_xattr_index_block(struct inode *inode, + struct buffer_head *xb_bh); + static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) { struct xattr_handler *handler = NULL; @@ -1511,13 +1514,14 @@ static int ocfs2_xattr_block_remove(struct inode *inode, struct buffer_head *blk_bh) { struct ocfs2_xattr_block *xb; - struct ocfs2_xattr_header *header; int ret = 0; xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - header = &(xb->xb_attrs.xb_header); - - ret = ocfs2_remove_value_outside(inode, blk_bh, header); + if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { + struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header); + ret = ocfs2_remove_value_outside(inode, blk_bh, header); + } else + ret = ocfs2_delete_xattr_index_block(inode, blk_bh); return ret; } @@ -4738,3 +4742,75 @@ out: mlog_exit(ret); return ret; } + +static int ocfs2_delete_xattr_in_bucket(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + void *para) +{ + int ret = 0; + struct ocfs2_xattr_header *xh = bucket->xh; + u16 i; + struct ocfs2_xattr_entry *xe; + + for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { + xe = &xh->xh_entries[i]; + if (ocfs2_xattr_is_local(xe)) + continue; + + ret = ocfs2_xattr_bucket_value_truncate(inode, + bucket->bhs[0], + i, 0); + if (ret) { + mlog_errno(ret); + break; + } + } + + return ret; +} + +static int ocfs2_delete_xattr_index_block(struct inode *inode, + struct buffer_head *xb_bh) +{ + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)xb_bh->b_data; + struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list; + int ret = 0; + u32 name_hash = UINT_MAX, e_cpos, num_clusters; + u64 p_blkno; + + if (le16_to_cpu(el->l_next_free_rec) == 0) + return 0; + + while (name_hash > 0) { + ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, + &e_cpos, &num_clusters, el); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_iterate_xattr_buckets(inode, p_blkno, num_clusters, + ocfs2_delete_xattr_in_bucket, + NULL); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_rm_xattr_cluster(inode, xb_bh, + p_blkno, e_cpos, num_clusters); + if (ret) { + mlog_errno(ret); + break; + } + + if (e_cpos == 0) + break; + + name_hash = e_cpos - 1; + } + +out: + return ret; +} -- GitLab From 8154da3d2114241cf3edb108b43e2172be86d483 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Mon, 18 Aug 2008 17:11:46 +0800 Subject: [PATCH 4520/6244] ocfs2: Add incompatible flag for extended attribute This patch adds the s_incompat flag for extended attribute support. This helps us ensure that older versions of Ocfs2 or ocfs2-tools will not be able to mount a volume with xattr support. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh --- fs/ocfs2/ocfs2.h | 7 +++++++ fs/ocfs2/ocfs2_fs.h | 19 +++++++++++++------ fs/ocfs2/super.c | 3 ++- fs/ocfs2/xattr.c | 12 ++++++++++++ 4 files changed, 34 insertions(+), 7 deletions(-) diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index cae0dd4b7f75..6d3c10ddf489 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -363,6 +363,13 @@ static inline int ocfs2_supports_inline_data(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_supports_xattr(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR) + return 1; + return 0; +} + /* set / clear functions because cluster events can make these happen * in parallel so we want the transitions to be atomic. this also * means that any future flags osb_flags must be protected by spinlock diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 8d5e72f2c5cf..f24ce3d3f956 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -91,7 +91,8 @@ | OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC \ | OCFS2_FEATURE_INCOMPAT_INLINE_DATA \ | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \ - | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK) + | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \ + | OCFS2_FEATURE_INCOMPAT_XATTR) #define OCFS2_FEATURE_RO_COMPAT_SUPP OCFS2_FEATURE_RO_COMPAT_UNWRITTEN /* @@ -128,10 +129,6 @@ /* Support for data packed into inode blocks */ #define OCFS2_FEATURE_INCOMPAT_INLINE_DATA 0x0040 -/* Support for the extended slot map */ -#define OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP 0x100 - - /* * Support for alternate, userspace cluster stacks. If set, the superblock * field s_cluster_info contains a tag for the alternate stack in use as @@ -143,6 +140,12 @@ */ #define OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK 0x0080 +/* Support for the extended slot map */ +#define OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP 0x100 + +/* Support for extended attributes */ +#define OCFS2_FEATURE_INCOMPAT_XATTR 0x0200 + /* * backup superblock flag is used to indicate that this volume * has backup superblocks. @@ -578,7 +581,11 @@ struct ocfs2_super_block { /*A0*/ struct ocfs2_cluster_info s_cluster_info; /* Selected userspace stack. Only valid with INCOMPAT flag. */ -/*B8*/ __le64 s_reserved2[17]; /* Fill out superblock */ +/*B8*/ __le16 s_xattr_inline_size; /* extended attribute inline size + for this fs*/ + __le16 s_reserved0; + __le32 s_reserved1; +/*C0*/ __le64 s_reserved2[16]; /* Fill out superblock */ /*140*/ /* diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 3b04f5d2e896..c85e525950a9 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1437,7 +1437,8 @@ static int ocfs2_initialize_super(struct super_block *sb, osb->slot_num = OCFS2_INVALID_SLOT; - osb->s_xattr_inline_size = OCFS2_MIN_XATTR_INLINE_SIZE; + osb->s_xattr_inline_size = le16_to_cpu( + di->id2.i_super.s_xattr_inline_size); osb->local_alloc_state = OCFS2_LA_UNUSED; osb->local_alloc_bh = NULL; diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9ec7136b3ad7..090449f9263e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -564,6 +564,9 @@ ssize_t ocfs2_listxattr(struct dentry *dentry, struct ocfs2_dinode *di = NULL; struct ocfs2_inode_info *oi = OCFS2_I(dentry->d_inode); + if (!ocfs2_supports_xattr(OCFS2_SB(dentry->d_sb))) + return -EOPNOTSUPP; + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) return ret; @@ -843,6 +846,9 @@ int ocfs2_xattr_get(struct inode *inode, .not_found = -ENODATA, }; + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) + return -EOPNOTSUPP; + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) ret = -ENODATA; @@ -1541,6 +1547,9 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) handle_t *handle; int ret; + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) + return 0; + if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) return 0; @@ -1977,6 +1986,9 @@ int ocfs2_xattr_set(struct inode *inode, .not_found = -ENODATA, }; + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) + return -EOPNOTSUPP; + ret = ocfs2_inode_lock(inode, &di_bh, 1); if (ret < 0) { mlog_errno(ret); -- GitLab From ff1ec20ef65d51cc3466e86912cdeaac16f3aaa0 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 19 Aug 2008 10:54:29 -0700 Subject: [PATCH 4521/6244] ocfs2: fix printk format warnings This patch fixes the following build warnings: fs/ocfs2/xattr.c: In function 'ocfs2_half_xattr_bucket': fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 7 has type 'long int' fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 8 has type 'long int' fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 7 has type 'long int' fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 8 has type 'long int' fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 7 has type 'long int' fs/ocfs2/xattr.c:3282: warning: format '%d' expects type 'int', but argument 8 has type 'long int' fs/ocfs2/xattr.c: In function 'ocfs2_xattr_set_entry_in_bucket': fs/ocfs2/xattr.c:4092: warning: format '%d' expects type 'int', but argument 6 has type 'size_t' fs/ocfs2/xattr.c:4092: warning: format '%d' expects type 'int', but argument 6 has type 'size_t' fs/ocfs2/xattr.c:4092: warning: format '%d' expects type 'int', but argument 6 has type 'size_t' Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 090449f9263e..1b349c7367a9 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3264,7 +3264,8 @@ static int ocfs2_half_xattr_bucket(struct inode *inode, xe = &xh->xh_entries[start]; len = sizeof(struct ocfs2_xattr_entry) * (count - start); mlog(0, "mv xattr entry len %d from %d to %d\n", len, - (char *)xe - (char *)xh, (char *)xh->xh_entries - (char *)xh); + (int)((char *)xe - (char *)xh), + (int)((char *)xh->xh_entries - (char *)xh)); memmove((char *)xh->xh_entries, (char *)xe, len); xe = &xh->xh_entries[count - start]; len = sizeof(struct ocfs2_xattr_entry) * start; @@ -4073,8 +4074,8 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - mlog(0, "Set xattr entry len = %d index = %d in bucket %llu\n", - xi->value_len, xi->name_index, + mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", + (unsigned long)xi->value_len, xi->name_index, (unsigned long long)xs->bucket.bhs[0]->b_blocknr); if (!xs->bucket.bhs[1]) { -- GitLab From 35dc0aa3c5e7391319754e0c19cdfc0a28eb5b25 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 16:25:06 -0700 Subject: [PATCH 4522/6244] ocfs2: Prefix the extent tree operations structure. The ocfs2_extent_tree_operations structure gains a field prefix on its members. The ->eo_sanity_check() operation gains a wrapper function for completeness. All of the extent tree operation wrappers gain a consistent name (ocfs2_et_*()). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 85 ++++++++++++++++++++++++++---------------------- 1 file changed, 46 insertions(+), 39 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index f65cb43edb7c..f2e35a8f0197 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -65,12 +65,13 @@ struct ocfs2_extent_tree; struct ocfs2_extent_tree_operations { - void (*set_last_eb_blk) (struct ocfs2_extent_tree *et, u64 blkno); - u64 (*get_last_eb_blk) (struct ocfs2_extent_tree *et); - void (*update_clusters) (struct inode *inode, - struct ocfs2_extent_tree *et, - u32 new_clusters); - int (*sanity_check) (struct inode *inode, struct ocfs2_extent_tree *et); + void (*eo_set_last_eb_blk)(struct ocfs2_extent_tree *et, + u64 blkno); + u64 (*eo_get_last_eb_blk)(struct ocfs2_extent_tree *et); + void (*eo_update_clusters)(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 new_clusters); + int (*eo_sanity_check)(struct inode *inode, struct ocfs2_extent_tree *et); }; struct ocfs2_extent_tree { @@ -132,10 +133,10 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, } static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { - .set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, - .get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, - .update_clusters = ocfs2_dinode_update_clusters, - .sanity_check = ocfs2_dinode_sanity_check, + .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, + .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, + .eo_update_clusters = ocfs2_dinode_update_clusters, + .eo_sanity_check = ocfs2_dinode_sanity_check, }; static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -172,10 +173,10 @@ static int ocfs2_xattr_value_sanity_check(struct inode *inode, } static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { - .set_last_eb_blk = ocfs2_xattr_value_set_last_eb_blk, - .get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, - .update_clusters = ocfs2_xattr_value_update_clusters, - .sanity_check = ocfs2_xattr_value_sanity_check, + .eo_set_last_eb_blk = ocfs2_xattr_value_set_last_eb_blk, + .eo_get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, + .eo_update_clusters = ocfs2_xattr_value_update_clusters, + .eo_sanity_check = ocfs2_xattr_value_sanity_check, }; static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -214,10 +215,10 @@ static int ocfs2_xattr_tree_sanity_check(struct inode *inode, } static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { - .set_last_eb_blk = ocfs2_xattr_tree_set_last_eb_blk, - .get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, - .update_clusters = ocfs2_xattr_tree_update_clusters, - .sanity_check = ocfs2_xattr_tree_sanity_check, + .eo_set_last_eb_blk = ocfs2_xattr_tree_set_last_eb_blk, + .eo_get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, + .eo_update_clusters = ocfs2_xattr_tree_update_clusters, + .eo_sanity_check = ocfs2_xattr_tree_sanity_check, }; static struct ocfs2_extent_tree* @@ -265,22 +266,28 @@ static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et) } } -static inline void ocfs2_set_last_eb_blk(struct ocfs2_extent_tree *et, - u64 new_last_eb_blk) +static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 new_last_eb_blk) { - et->eops->set_last_eb_blk(et, new_last_eb_blk); + et->eops->eo_set_last_eb_blk(et, new_last_eb_blk); } -static inline u64 ocfs2_get_last_eb_blk(struct ocfs2_extent_tree *et) +static inline u64 ocfs2_et_get_last_eb_blk(struct ocfs2_extent_tree *et) { - return et->eops->get_last_eb_blk(et); + return et->eops->eo_get_last_eb_blk(et); } -static inline void ocfs2_update_clusters(struct inode *inode, - struct ocfs2_extent_tree *et, - u32 clusters) +static inline void ocfs2_et_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters) +{ + et->eops->eo_update_clusters(inode, et, clusters); +} + +static inline int ocfs2_et_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et) { - et->eops->update_clusters(inode, et, clusters); + return et->eops->eo_sanity_check(inode, et); } static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc); @@ -913,7 +920,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, /* fe needs a new last extent block pointer, as does the * next_leaf on the previously last-extent-block. */ - ocfs2_set_last_eb_blk(et, new_last_eb_blk); + ocfs2_et_set_last_eb_blk(et, new_last_eb_blk); eb = (struct ocfs2_extent_block *) (*last_eb_bh)->b_data; eb->h_next_leaf_blk = cpu_to_le64(new_last_eb_blk); @@ -1029,7 +1036,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, /* If this is our 1st tree depth shift, then last_eb_blk * becomes the allocated extent block */ if (root_el->l_tree_depth == cpu_to_le16(1)) - ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); + ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); status = ocfs2_journal_dirty(handle, et->root_bh); if (status < 0) { @@ -2427,7 +2434,7 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, ocfs2_update_edge_lengths(inode, handle, left_path); eb = (struct ocfs2_extent_block *)path_leaf_bh(left_path)->b_data; - ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); + ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); /* * Removal of the extent in the left leaf was skipped @@ -2688,7 +2695,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, struct ocfs2_extent_list *el; - ret = et->eops->sanity_check(inode, et); + ret = ocfs2_et_sanity_check(inode, et); if (ret) goto out; /* @@ -2747,7 +2754,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, ocfs2_update_edge_lengths(inode, handle, left_path); eb = (struct ocfs2_extent_block *)path_leaf_bh(left_path)->b_data; - ocfs2_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); + ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); } else { /* * 'path' is also the leftmost path which @@ -2763,7 +2770,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, el->l_next_free_rec = 0; memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec)); - ocfs2_set_last_eb_blk(et, 0); + ocfs2_et_set_last_eb_blk(et, 0); } ocfs2_journal_dirty(handle, path_root_bh(path)); @@ -3980,8 +3987,8 @@ static int ocfs2_do_insert_extent(struct inode *inode, out_update_clusters: if (type->ins_split == SPLIT_NONE) - ocfs2_update_clusters(inode, et, - le16_to_cpu(insert_rec->e_leaf_clusters)); + ocfs2_et_update_clusters(inode, et, + le16_to_cpu(insert_rec->e_leaf_clusters)); ret = ocfs2_journal_dirty(handle, et->root_bh); if (ret) @@ -4229,7 +4236,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * may want it later. */ ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - ocfs2_get_last_eb_blk(et), &bh, + ocfs2_et_get_last_eb_blk(et), &bh, OCFS2_BH_CACHED, inode); if (ret) { mlog_exit(ret); @@ -4306,7 +4313,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * the case that we're doing a tail append, so maybe we can * take advantage of that information somehow. */ - if (ocfs2_get_last_eb_blk(et) == + if (ocfs2_et_get_last_eb_blk(et) == path_leaf_bh(path)->b_blocknr) { /* * Ok, ocfs2_find_path() returned us the rightmost @@ -4814,7 +4821,7 @@ static int __ocfs2_mark_extent_written(struct inode *inode, struct ocfs2_extent_block *eb; ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - ocfs2_get_last_eb_blk(et), + ocfs2_et_get_last_eb_blk(et), &last_eb_bh, OCFS2_BH_CACHED, inode); if (ret) { mlog_exit(ret); @@ -4981,7 +4988,7 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, depth = path->p_tree_depth; if (depth > 0) { ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - ocfs2_get_last_eb_blk(et), + ocfs2_et_get_last_eb_blk(et), &last_eb_bh, OCFS2_BH_CACHED, inode); if (ret < 0) { mlog_errno(ret); -- GitLab From ce1d9ea621291ed5e985d6677278c6bb20d96a40 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 16:30:07 -0700 Subject: [PATCH 4523/6244] ocfs2: Prefix the ocfs2_extent_tree structure. The members of the ocfs2_extent_tree structure gain a prefix of 'et_'. All users are updated. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 118 ++++++++++++++++++++++++----------------------- 1 file changed, 61 insertions(+), 57 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index f2e35a8f0197..4ade2b259e6d 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -75,28 +75,30 @@ struct ocfs2_extent_tree_operations { }; struct ocfs2_extent_tree { - enum ocfs2_extent_tree_type type; - struct ocfs2_extent_tree_operations *eops; - struct buffer_head *root_bh; - struct ocfs2_extent_list *root_el; - void *private; - unsigned int max_leaf_clusters; + enum ocfs2_extent_tree_type et_type; + struct ocfs2_extent_tree_operations *et_ops; + struct buffer_head *et_root_bh; + struct ocfs2_extent_list *et_root_el; + void *et_private; + unsigned int et_max_leaf_clusters; }; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { - struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data; + struct ocfs2_dinode *di = + (struct ocfs2_dinode *)et->et_root_bh->b_data; - BUG_ON(et->type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); di->i_last_eb_blk = cpu_to_le64(blkno); } static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et) { - struct ocfs2_dinode *di = (struct ocfs2_dinode *)et->root_bh->b_data; + struct ocfs2_dinode *di = + (struct ocfs2_dinode *)et->et_root_bh->b_data; - BUG_ON(et->type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); return le64_to_cpu(di->i_last_eb_blk); } @@ -105,7 +107,7 @@ static void ocfs2_dinode_update_clusters(struct inode *inode, u32 clusters) { struct ocfs2_dinode *di = - (struct ocfs2_dinode *)et->root_bh->b_data; + (struct ocfs2_dinode *)et->et_root_bh->b_data; le32_add_cpu(&di->i_clusters, clusters); spin_lock(&OCFS2_I(inode)->ip_lock); @@ -119,9 +121,9 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, int ret = 0; struct ocfs2_dinode *di; - BUG_ON(et->type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); - di = (struct ocfs2_dinode *)et->root_bh->b_data; + di = (struct ocfs2_dinode *)et->et_root_bh->b_data; if (!OCFS2_IS_VALID_DINODE(di)) { ret = -EIO; ocfs2_error(inode->i_sb, @@ -143,7 +145,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->private; + (struct ocfs2_xattr_value_root *)et->et_private; xv->xr_last_eb_blk = cpu_to_le64(blkno); } @@ -151,7 +153,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) et->private; + (struct ocfs2_xattr_value_root *) et->et_private; return le64_to_cpu(xv->xr_last_eb_blk); } @@ -161,7 +163,7 @@ static void ocfs2_xattr_value_update_clusters(struct inode *inode, u32 clusters) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->private; + (struct ocfs2_xattr_value_root *)et->et_private; le32_add_cpu(&xv->xr_clusters, clusters); } @@ -183,7 +185,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *) et->root_bh->b_data; + (struct ocfs2_xattr_block *) et->et_root_bh->b_data; struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; xt->xt_last_eb_blk = cpu_to_le64(blkno); @@ -192,7 +194,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et) { struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *) et->root_bh->b_data; + (struct ocfs2_xattr_block *) et->et_root_bh->b_data; struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; return le64_to_cpu(xt->xt_last_eb_blk); @@ -203,7 +205,7 @@ static void ocfs2_xattr_tree_update_clusters(struct inode *inode, u32 clusters) { struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)et->root_bh->b_data; + (struct ocfs2_xattr_block *)et->et_root_bh->b_data; le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters); } @@ -233,25 +235,26 @@ static struct ocfs2_extent_tree* if (!et) return NULL; - et->type = et_type; + et->et_type = et_type; get_bh(bh); - et->root_bh = bh; - et->private = private; + et->et_root_bh = bh; + et->et_private = private; if (et_type == OCFS2_DINODE_EXTENT) { - et->root_el = &((struct ocfs2_dinode *)bh->b_data)->id2.i_list; - et->eops = &ocfs2_dinode_et_ops; + et->et_root_el = + &((struct ocfs2_dinode *)bh->b_data)->id2.i_list; + et->et_ops = &ocfs2_dinode_et_ops; } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { struct ocfs2_xattr_value_root *xv = (struct ocfs2_xattr_value_root *) private; - et->root_el = &xv->xr_list; - et->eops = &ocfs2_xattr_et_ops; + et->et_root_el = &xv->xr_list; + et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)bh->b_data; - et->root_el = &xb->xb_attrs.xb_root.xt_list; - et->eops = &ocfs2_xattr_tree_et_ops; - et->max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + et->et_root_el = &xb->xb_attrs.xb_root.xt_list; + et->et_ops = &ocfs2_xattr_tree_et_ops; + et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } @@ -261,7 +264,7 @@ static struct ocfs2_extent_tree* static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et) { if (et) { - brelse(et->root_bh); + brelse(et->et_root_bh); kfree(et); } } @@ -269,25 +272,25 @@ static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et) static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 new_last_eb_blk) { - et->eops->eo_set_last_eb_blk(et, new_last_eb_blk); + et->et_ops->eo_set_last_eb_blk(et, new_last_eb_blk); } static inline u64 ocfs2_et_get_last_eb_blk(struct ocfs2_extent_tree *et) { - return et->eops->eo_get_last_eb_blk(et); + return et->et_ops->eo_get_last_eb_blk(et); } static inline void ocfs2_et_update_clusters(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters) { - et->eops->eo_update_clusters(inode, et, clusters); + et->et_ops->eo_update_clusters(inode, et, clusters); } static inline int ocfs2_et_sanity_check(struct inode *inode, struct ocfs2_extent_tree *et) { - return et->eops->eo_sanity_check(inode, et); + return et->et_ops->eo_sanity_check(inode, et); } static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc); @@ -805,7 +808,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, eb = (struct ocfs2_extent_block *) eb_bh->b_data; el = &eb->h_list; } else - el = et->root_el; + el = et->et_root_el; /* we never add a branch to a leaf. */ BUG_ON(!el->l_tree_depth); @@ -895,7 +898,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, mlog_errno(status); goto bail; } - status = ocfs2_journal_access(handle, inode, et->root_bh, + status = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -928,7 +931,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, status = ocfs2_journal_dirty(handle, *last_eb_bh); if (status < 0) mlog_errno(status); - status = ocfs2_journal_dirty(handle, et->root_bh); + status = ocfs2_journal_dirty(handle, et->et_root_bh); if (status < 0) mlog_errno(status); if (eb_bh) { @@ -994,7 +997,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, } eb_el = &eb->h_list; - root_el = et->root_el; + root_el = et->et_root_el; status = ocfs2_journal_access(handle, inode, new_eb_bh, OCFS2_JOURNAL_ACCESS_CREATE); @@ -1015,7 +1018,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, inode, et->root_bh, + status = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -1038,7 +1041,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, if (root_el->l_tree_depth == cpu_to_le16(1)) ocfs2_et_set_last_eb_blk(et, le64_to_cpu(eb->h_blkno)); - status = ocfs2_journal_dirty(handle, et->root_bh); + status = ocfs2_journal_dirty(handle, et->et_root_bh); if (status < 0) { mlog_errno(status); goto bail; @@ -1088,7 +1091,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, *target_bh = NULL; - el = et->root_el; + el = et->et_root_el; while(le16_to_cpu(el->l_tree_depth) > 1) { if (le16_to_cpu(el->l_next_free_rec) == 0) { @@ -1140,7 +1143,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, /* If we didn't find one and the fe doesn't have any room, * then return '1' */ - el = et->root_el; + el = et->et_root_el; if (!lowest_bh && (el->l_next_free_rec == el->l_count)) status = 1; @@ -1169,7 +1172,7 @@ static int ocfs2_grow_tree(struct inode *inode, handle_t *handle, struct ocfs2_alloc_context *meta_ac) { int ret, shift; - struct ocfs2_extent_list *el = et->root_el; + struct ocfs2_extent_list *el = et->et_root_el; int depth = le16_to_cpu(el->l_tree_depth); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct buffer_head *bh = NULL; @@ -2765,7 +2768,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, */ ocfs2_unlink_path(inode, handle, dealloc, path, 1); - el = et->root_el; + el = et->et_root_el; el->l_tree_depth = 0; el->l_next_free_rec = 0; memset(&el->l_recs[0], 0, sizeof(struct ocfs2_extent_rec)); @@ -3898,9 +3901,9 @@ static int ocfs2_do_insert_extent(struct inode *inode, struct ocfs2_path *left_path = NULL; struct ocfs2_extent_list *el; - el = et->root_el; + el = et->et_root_el; - ret = ocfs2_journal_access(handle, inode, et->root_bh, + ret = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -3912,7 +3915,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, goto out_update_clusters; } - right_path = ocfs2_new_path(et->root_bh, et->root_el); + right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3962,7 +3965,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, * ocfs2_rotate_tree_right() might have extended the * transaction without re-journaling our tree root. */ - ret = ocfs2_journal_access(handle, inode, et->root_bh, + ret = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -3990,7 +3993,7 @@ out_update_clusters: ocfs2_et_update_clusters(inode, et, le16_to_cpu(insert_rec->e_leaf_clusters)); - ret = ocfs2_journal_dirty(handle, et->root_bh); + ret = ocfs2_journal_dirty(handle, et->et_root_bh); if (ret) mlog_errno(ret); @@ -4148,7 +4151,8 @@ static void ocfs2_figure_contig_type(struct inode *inode, * Caller might want us to limit the size of extents, don't * calculate contiguousness if we might exceed that limit. */ - if (et->max_leaf_clusters && len > et->max_leaf_clusters) + if (et->et_max_leaf_clusters && + (len > et->et_max_leaf_clusters)) insert->ins_contig = CONTIG_NONE; } } @@ -4225,7 +4229,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, insert->ins_split = SPLIT_NONE; - el = et->root_el; + el = et->et_root_el; insert->ins_tree_depth = le16_to_cpu(el->l_tree_depth); if (el->l_tree_depth) { @@ -4263,7 +4267,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, return 0; } - path = ocfs2_new_path(et->root_bh, et->root_el); + path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -4404,7 +4408,7 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb, status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert); if (status < 0) mlog_errno(status); - else if (et->type == OCFS2_DINODE_EXTENT) + else if (et->et_type == OCFS2_DINODE_EXTENT) ocfs2_extent_map_insert_rec(inode, &rec); bail: @@ -4678,7 +4682,7 @@ leftright: */ rec = path_leaf_el(path)->l_recs[split_index]; - rightmost_el = et->root_el; + rightmost_el = et->et_root_el; depth = le16_to_cpu(rightmost_el->l_tree_depth); if (depth) { @@ -4921,7 +4925,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, if (et_type == OCFS2_DINODE_EXTENT) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et->root_bh, et->root_el); + left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -5001,7 +5005,7 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, rightmost_el = path_leaf_el(path); credits += path->p_tree_depth + - ocfs2_extend_meta_needed(et->root_el); + ocfs2_extend_meta_needed(et->et_root_el); ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); @@ -5214,7 +5218,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et->root_bh, et->root_el); + path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); -- GitLab From dc0ce61af418305afa7e0d05d86ab334e0daabf7 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 16:48:35 -0700 Subject: [PATCH 4524/6244] ocfs2: Make ocfs2_extent_tree get/put instead of alloc. Rather than allocating a struct ocfs2_extent_tree, just put it on the stack. Fill it with ocfs2_get_extent_tree() and drop it with ocfs2_put_extent_tree(). Now the callers don't have to ENOMEM, yet still safely ref the root_bh. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 117 +++++++++++++++-------------------------------- 1 file changed, 36 insertions(+), 81 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4ade2b259e6d..c200d3321689 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -223,22 +223,17 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_sanity_check = ocfs2_xattr_tree_sanity_check, }; -static struct ocfs2_extent_tree* - ocfs2_new_extent_tree(struct inode *inode, - struct buffer_head *bh, - enum ocfs2_extent_tree_type et_type, - void *private) +static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + enum ocfs2_extent_tree_type et_type, + void *private) { - struct ocfs2_extent_tree *et; - - et = kzalloc(sizeof(*et), GFP_NOFS); - if (!et) - return NULL; - et->et_type = et_type; get_bh(bh); et->et_root_bh = bh; et->et_private = private; + et->et_max_leaf_clusters = 0; if (et_type == OCFS2_DINODE_EXTENT) { et->et_root_el = @@ -257,16 +252,11 @@ static struct ocfs2_extent_tree* et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } - - return et; } -static void ocfs2_free_extent_tree(struct ocfs2_extent_tree *et) +static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) { - if (et) { - brelse(et->et_root_bh); - kfree(et); - } + brelse(et->et_root_bh); } static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -4430,22 +4420,15 @@ int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac) { int status; - struct ocfs2_extent_tree *et = NULL; - - et = ocfs2_new_extent_tree(inode, root_bh, OCFS2_DINODE_EXTENT, NULL); - if (!et) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } + struct ocfs2_extent_tree et; + ocfs2_get_extent_tree(&et, inode, root_bh, OCFS2_DINODE_EXTENT, + NULL); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, - flags, meta_ac, et); + flags, meta_ac, &et); + ocfs2_put_extent_tree(&et); - if (et) - ocfs2_free_extent_tree(et); -bail: return status; } @@ -4461,23 +4444,15 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, void *private) { int status; - struct ocfs2_extent_tree *et = NULL; - - et = ocfs2_new_extent_tree(inode, root_bh, - OCFS2_XATTR_VALUE_EXTENT, private); - if (!et) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } + struct ocfs2_extent_tree et; + ocfs2_get_extent_tree(&et, inode, root_bh, + OCFS2_XATTR_VALUE_EXTENT, private); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, - flags, meta_ac, et); + flags, meta_ac, &et); + ocfs2_put_extent_tree(&et); - if (et) - ocfs2_free_extent_tree(et); -bail: return status; } @@ -4492,23 +4467,15 @@ int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac) { int status; - struct ocfs2_extent_tree *et = NULL; - - et = ocfs2_new_extent_tree(inode, root_bh, OCFS2_XATTR_TREE_EXTENT, - NULL); - if (!et) { - status = -ENOMEM; - mlog_errno(status); - goto bail; - } + struct ocfs2_extent_tree et; + ocfs2_get_extent_tree(&et, inode, root_bh, OCFS2_XATTR_TREE_EXTENT, + NULL); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, - flags, meta_ac, et); + flags, meta_ac, &et); + ocfs2_put_extent_tree(&et); - if (et) - ocfs2_free_extent_tree(et); -bail: return status; } @@ -4897,11 +4864,13 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_extent_rec split_rec; struct ocfs2_path *left_path = NULL; struct ocfs2_extent_list *el; - struct ocfs2_extent_tree *et = NULL; + struct ocfs2_extent_tree et; mlog(0, "Inode %lu cpos %u, len %u, phys %u (%llu)\n", inode->i_ino, cpos, len, phys, (unsigned long long)start_blkno); + ocfs2_get_extent_tree(&et, inode, root_bh, et_type, private); + if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) { ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents " "that are being written to, but the feature bit " @@ -4911,13 +4880,6 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, goto out; } - et = ocfs2_new_extent_tree(inode, root_bh, et_type, private); - if (!et) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } - /* * XXX: This should be fixed up so that we just re-insert the * next extent records. @@ -4925,7 +4887,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, if (et_type == OCFS2_DINODE_EXTENT) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + left_path = ocfs2_new_path(et.et_root_bh, et.et_root_el); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4956,7 +4918,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, split_rec.e_flags = path_leaf_el(left_path)->l_recs[index].e_flags; split_rec.e_flags &= ~OCFS2_EXT_UNWRITTEN; - ret = __ocfs2_mark_extent_written(inode, et, handle, left_path, + ret = __ocfs2_mark_extent_written(inode, &et, handle, left_path, index, &split_rec, meta_ac, dealloc); if (ret) @@ -4964,8 +4926,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(left_path); - if (et) - ocfs2_free_extent_tree(et); + ocfs2_put_extent_tree(&et); return ret; } @@ -5207,18 +5168,13 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_extent_rec *rec; struct ocfs2_extent_list *el; struct ocfs2_path *path = NULL; - struct ocfs2_extent_tree *et = NULL; + struct ocfs2_extent_tree et; - et = ocfs2_new_extent_tree(inode, root_bh, et_type, private); - if (!et) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } + ocfs2_get_extent_tree(&et, inode, root_bh, et_type, private); ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + path = ocfs2_new_path(et.et_root_bh, et.et_root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -5271,13 +5227,13 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, if (le32_to_cpu(rec->e_cpos) == cpos || rec_range == trunc_range) { ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, et); + cpos, len, &et); if (ret) { mlog_errno(ret); goto out; } } else { - ret = ocfs2_split_tree(inode, et, handle, path, index, + ret = ocfs2_split_tree(inode, &et, handle, path, index, trunc_range, meta_ac); if (ret) { mlog_errno(ret); @@ -5326,7 +5282,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, } ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, et); + cpos, len, &et); if (ret) { mlog_errno(ret); goto out; @@ -5335,8 +5291,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(path); - if (et) - ocfs2_free_extent_tree(et); + ocfs2_put_extent_tree(&et); return ret; } -- GitLab From ea5efa151265a743f48e3d371992a0100d73a0eb Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 16:57:27 -0700 Subject: [PATCH 4525/6244] ocfs2: Make 'private' into 'object' on ocfs2_extent_tree. The 'private' pointer was a way to store off xattr values, which don't live at a set place in the bh. But the concept of "the object containing the extent tree" is much more generic. For an inode it's the struct ocfs2_dinode, for an xattr value its the value. Let's save off the 'object' at all times. If NULL is passed to ocfs2_get_extent_tree(), 'object' is set to bh->b_data; Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 62 ++++++++++++++++++++++-------------------------- 1 file changed, 29 insertions(+), 33 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index c200d3321689..4cefcb6a47a5 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -79,15 +79,14 @@ struct ocfs2_extent_tree { struct ocfs2_extent_tree_operations *et_ops; struct buffer_head *et_root_bh; struct ocfs2_extent_list *et_root_el; - void *et_private; + void *et_object; unsigned int et_max_leaf_clusters; }; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { - struct ocfs2_dinode *di = - (struct ocfs2_dinode *)et->et_root_bh->b_data; + struct ocfs2_dinode *di = et->et_object; BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); di->i_last_eb_blk = cpu_to_le64(blkno); @@ -95,8 +94,7 @@ static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et) { - struct ocfs2_dinode *di = - (struct ocfs2_dinode *)et->et_root_bh->b_data; + struct ocfs2_dinode *di = et->et_object; BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); return le64_to_cpu(di->i_last_eb_blk); @@ -106,8 +104,7 @@ static void ocfs2_dinode_update_clusters(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters) { - struct ocfs2_dinode *di = - (struct ocfs2_dinode *)et->et_root_bh->b_data; + struct ocfs2_dinode *di = et->et_object; le32_add_cpu(&di->i_clusters, clusters); spin_lock(&OCFS2_I(inode)->ip_lock); @@ -123,7 +120,7 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); - di = (struct ocfs2_dinode *)et->et_root_bh->b_data; + di = et->et_object; if (!OCFS2_IS_VALID_DINODE(di)) { ret = -EIO; ocfs2_error(inode->i_sb, @@ -145,7 +142,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_private; + (struct ocfs2_xattr_value_root *)et->et_object; xv->xr_last_eb_blk = cpu_to_le64(blkno); } @@ -153,7 +150,7 @@ static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) et->et_private; + (struct ocfs2_xattr_value_root *) et->et_object; return le64_to_cpu(xv->xr_last_eb_blk); } @@ -163,7 +160,7 @@ static void ocfs2_xattr_value_update_clusters(struct inode *inode, u32 clusters) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_private; + (struct ocfs2_xattr_value_root *)et->et_object; le32_add_cpu(&xv->xr_clusters, clusters); } @@ -184,8 +181,7 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *) et->et_root_bh->b_data; + struct ocfs2_xattr_block *xb = et->et_object; struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; xt->xt_last_eb_blk = cpu_to_le64(blkno); @@ -193,8 +189,7 @@ static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, static u64 ocfs2_xattr_tree_get_last_eb_blk(struct ocfs2_extent_tree *et) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *) et->et_root_bh->b_data; + struct ocfs2_xattr_block *xb = et->et_object; struct ocfs2_xattr_tree_root *xt = &xb->xb_attrs.xb_root; return le64_to_cpu(xt->xt_last_eb_blk); @@ -204,8 +199,7 @@ static void ocfs2_xattr_tree_update_clusters(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)et->et_root_bh->b_data; + struct ocfs2_xattr_block *xb = et->et_object; le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters); } @@ -227,26 +221,28 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh, enum ocfs2_extent_tree_type et_type, - void *private) + void *obj) { et->et_type = et_type; get_bh(bh); et->et_root_bh = bh; - et->et_private = private; et->et_max_leaf_clusters = 0; + if (!obj) + obj = (void *)bh->b_data; + et->et_object = obj; if (et_type == OCFS2_DINODE_EXTENT) { et->et_root_el = - &((struct ocfs2_dinode *)bh->b_data)->id2.i_list; + &((struct ocfs2_dinode *)obj)->id2.i_list; et->et_ops = &ocfs2_dinode_et_ops; } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) private; + (struct ocfs2_xattr_value_root *)obj; et->et_root_el = &xv->xr_list; et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)bh->b_data; + (struct ocfs2_xattr_block *)obj; et->et_root_el = &xb->xb_attrs.xb_root.xt_list; et->et_ops = &ocfs2_xattr_tree_et_ops; et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, @@ -593,7 +589,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct buffer_head *root_bh, enum ocfs2_extent_tree_type type, - void *private) + void *obj) { int retval; struct ocfs2_extent_list *el = NULL; @@ -617,7 +613,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, el = &fe->id2.i_list; } else if (type == OCFS2_XATTR_VALUE_EXTENT) { struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) private; + (struct ocfs2_xattr_value_root *) obj; last_eb_blk = le64_to_cpu(xv->xr_last_eb_blk); el = &xv->xr_list; @@ -4441,13 +4437,13 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, u32 new_clusters, u8 flags, struct ocfs2_alloc_context *meta_ac, - void *private) + void *obj) { int status; struct ocfs2_extent_tree et; ocfs2_get_extent_tree(&et, inode, root_bh, - OCFS2_XATTR_VALUE_EXTENT, private); + OCFS2_XATTR_VALUE_EXTENT, obj); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, flags, meta_ac, &et); @@ -4498,7 +4494,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret, enum ocfs2_extent_tree_type type, - void *private) + void *obj) { int status = 0; int free_extents; @@ -4513,7 +4509,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, flags = OCFS2_EXT_UNWRITTEN; free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type, - private); + obj); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -4575,7 +4571,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, inode, root_bh, *logical_offset, block, num_bits, flags, - meta_ac, private); + meta_ac, obj); if (status < 0) { mlog_errno(status); goto leave; @@ -4857,7 +4853,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, enum ocfs2_extent_tree_type et_type, - void *private) + void *obj) { int ret, index; u64 start_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys); @@ -4869,7 +4865,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, mlog(0, "Inode %lu cpos %u, len %u, phys %u (%llu)\n", inode->i_ino, cpos, len, phys, (unsigned long long)start_blkno); - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, private); + ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) { ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents " @@ -5161,7 +5157,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc, enum ocfs2_extent_tree_type et_type, - void *private) + void *obj) { int ret, index; u32 rec_range, trunc_range; @@ -5170,7 +5166,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_path *path = NULL; struct ocfs2_extent_tree et; - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, private); + ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); ocfs2_extent_map_trunc(inode, 0); -- GitLab From 0ce1010f1a4319e02574b856d50dfdc0ed855f40 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 17:19:50 -0700 Subject: [PATCH 4526/6244] ocfs2: Provide the get_root_el() method to ocfs2_extent_tree_operations. The root_el of an ocfs2_extent_tree needs to be calculated from et->et_object. Make it an operation on et->et_ops. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 38 ++++++++++++++++++++++++++++++-------- 1 file changed, 30 insertions(+), 8 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4cefcb6a47a5..fe2ddbb81f74 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -72,6 +72,10 @@ struct ocfs2_extent_tree_operations { struct ocfs2_extent_tree *et, u32 new_clusters); int (*eo_sanity_check)(struct inode *inode, struct ocfs2_extent_tree *et); + + /* These are internal to ocfs2_extent_tree and don't have + * accessor functions */ + void (*eo_fill_root_el)(struct ocfs2_extent_tree *et); }; struct ocfs2_extent_tree { @@ -83,6 +87,13 @@ struct ocfs2_extent_tree { unsigned int et_max_leaf_clusters; }; +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_dinode *di = et->et_object; + + et->et_root_el = &di->id2.i_list; +} + static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -136,8 +147,16 @@ static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, .eo_update_clusters = ocfs2_dinode_update_clusters, .eo_sanity_check = ocfs2_dinode_sanity_check, + .eo_fill_root_el = ocfs2_dinode_fill_root_el, }; +static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_value_root *xv = et->et_object; + + et->et_root_el = &xv->xr_list; +} + static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -176,8 +195,16 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { .eo_get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_value_update_clusters, .eo_sanity_check = ocfs2_xattr_value_sanity_check, + .eo_fill_root_el = ocfs2_xattr_value_fill_root_el, }; +static void ocfs2_xattr_tree_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_xattr_block *xb = et->et_object; + + et->et_root_el = &xb->xb_attrs.xb_root.xt_list; +} + static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -215,6 +242,7 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_tree_update_clusters, .eo_sanity_check = ocfs2_xattr_tree_sanity_check, + .eo_fill_root_el = ocfs2_xattr_tree_fill_root_el, }; static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, @@ -232,22 +260,16 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_object = obj; if (et_type == OCFS2_DINODE_EXTENT) { - et->et_root_el = - &((struct ocfs2_dinode *)obj)->id2.i_list; et->et_ops = &ocfs2_dinode_et_ops; } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)obj; - et->et_root_el = &xv->xr_list; et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)obj; - et->et_root_el = &xb->xb_attrs.xb_root.xt_list; et->et_ops = &ocfs2_xattr_tree_et_ops; et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } + + et->et_ops->eo_fill_root_el(et); } static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) -- GitLab From 1c25d93a4a27c90c3ae33f9e724f7b67783d68d1 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 17:09:42 -0700 Subject: [PATCH 4527/6244] ocfs2: Use struct ocfs2_extent_tree in ocfs2_num_free_extents(). ocfs2_num_free_extents() re-implements the logic of ocfs2_get_extent_tree(). Now that ocfs2_get_extent_tree() does not allocate, let's use it in ocfs2_num_free_extents() to simplify the code. The inode validation code in ocfs2_num_free_extents() is not needed. All callers are passing in pre-validated inodes. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 30 +++++------------------------- 1 file changed, 5 insertions(+), 25 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index fe2ddbb81f74..d1aa7249deb2 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -618,34 +618,13 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct ocfs2_extent_block *eb; struct buffer_head *eb_bh = NULL; u64 last_eb_blk = 0; + struct ocfs2_extent_tree et; mlog_entry_void(); - if (type == OCFS2_DINODE_EXTENT) { - struct ocfs2_dinode *fe = - (struct ocfs2_dinode *)root_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - retval = -EIO; - goto bail; - } - - if (fe->i_last_eb_blk) - last_eb_blk = le64_to_cpu(fe->i_last_eb_blk); - el = &fe->id2.i_list; - } else if (type == OCFS2_XATTR_VALUE_EXTENT) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) obj; - - last_eb_blk = le64_to_cpu(xv->xr_last_eb_blk); - el = &xv->xr_list; - } else if (type == OCFS2_XATTR_TREE_EXTENT) { - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)root_bh->b_data; - - last_eb_blk = le64_to_cpu(xb->xb_attrs.xb_root.xt_last_eb_blk); - el = &xb->xb_attrs.xb_root.xt_list; - } + ocfs2_get_extent_tree(&et, inode, root_bh, type, obj); + el = et.et_root_el; + last_eb_blk = ocfs2_et_get_last_eb_blk(&et); if (last_eb_blk) { retval = ocfs2_read_block(osb, last_eb_blk, @@ -665,6 +644,7 @@ bail: if (eb_bh) brelse(eb_bh); + ocfs2_put_extent_tree(&et); mlog_exit(retval); return retval; } -- GitLab From 943cced39ee45ed2db25efd25eee8ba49cf2dfc4 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 17:31:10 -0700 Subject: [PATCH 4528/6244] ocfs2: Determine an extent tree's max_leaf_clusters in an et_op. Provide an optional extent_tree_operation to specify the max_leaf_clusters of an ocfs2_extent_tree. If not provided, the value is 0 (unlimited). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index d1aa7249deb2..64f1af4e999e 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -76,6 +76,8 @@ struct ocfs2_extent_tree_operations { /* These are internal to ocfs2_extent_tree and don't have * accessor functions */ void (*eo_fill_root_el)(struct ocfs2_extent_tree *et); + void (*eo_fill_max_leaf_clusters)(struct inode *inode, + struct ocfs2_extent_tree *et); }; struct ocfs2_extent_tree { @@ -205,6 +207,14 @@ static void ocfs2_xattr_tree_fill_root_el(struct ocfs2_extent_tree *et) et->et_root_el = &xb->xb_attrs.xb_root.xt_list; } +static void ocfs2_xattr_tree_fill_max_leaf_clusters(struct inode *inode, + struct ocfs2_extent_tree *et) +{ + et->et_max_leaf_clusters = + ocfs2_clusters_for_bytes(inode->i_sb, + OCFS2_MAX_XATTR_TREE_LEAF_SIZE); +} + static void ocfs2_xattr_tree_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { @@ -243,6 +253,7 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_update_clusters = ocfs2_xattr_tree_update_clusters, .eo_sanity_check = ocfs2_xattr_tree_sanity_check, .eo_fill_root_el = ocfs2_xattr_tree_fill_root_el, + .eo_fill_max_leaf_clusters = ocfs2_xattr_tree_fill_max_leaf_clusters, }; static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, @@ -254,7 +265,6 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_type = et_type; get_bh(bh); et->et_root_bh = bh; - et->et_max_leaf_clusters = 0; if (!obj) obj = (void *)bh->b_data; et->et_object = obj; @@ -265,11 +275,13 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops = &ocfs2_xattr_et_ops; } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { et->et_ops = &ocfs2_xattr_tree_et_ops; - et->et_max_leaf_clusters = ocfs2_clusters_for_bytes(inode->i_sb, - OCFS2_MAX_XATTR_TREE_LEAF_SIZE); } et->et_ops->eo_fill_root_el(et); + if (!et->et_ops->eo_fill_max_leaf_clusters) + et->et_max_leaf_clusters = 0; + else + et->et_ops->eo_fill_max_leaf_clusters(inode, et); } static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) -- GitLab From 1a09f556e5415a29cdddaf9a6ebf474194161cf3 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 17:44:24 -0700 Subject: [PATCH 4529/6244] ocfs2: Create specific get_extent_tree functions. A caller knows what kind of extent tree they have. There's no reason they have to call ocfs2_get_extent_tree() with a NULL when they could just as easily call a specific function to their type of extent tree. Introduce ocfs2_dinode_get_extent_tree(), ocfs2_xattr_tree_get_extent_tree(), and ocfs2_xattr_value_get_extent_tree(). They only take the necessary arguments, calling into the underlying __ocfs2_get_extent_tree() to do the real work. __ocfs2_get_extent_tree() is the old ocfs2_get_extent_tree(), but without needing any switch-by-type logic. ocfs2_get_extent_tree() is now a wrapper around the specific calls. It exists because a couple alloc.c functions can take et_type. This will go later. Another benefit is that ocfs2_xattr_value_get_extent_tree() can take a struct ocfs2_xattr_value_root* instead of void*. This gives us typechecking where we didn't have it before. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 76 +++++++++++++++++++++++++++++++++++------------- fs/ocfs2/alloc.h | 2 +- 2 files changed, 56 insertions(+), 22 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 64f1af4e999e..7b08180a4c67 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -192,7 +192,7 @@ static int ocfs2_xattr_value_sanity_check(struct inode *inode, return 0; } -static struct ocfs2_extent_tree_operations ocfs2_xattr_et_ops = { +static struct ocfs2_extent_tree_operations ocfs2_xattr_value_et_ops = { .eo_set_last_eb_blk = ocfs2_xattr_value_set_last_eb_blk, .eo_get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_value_update_clusters, @@ -256,27 +256,21 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_fill_max_leaf_clusters = ocfs2_xattr_tree_fill_max_leaf_clusters, }; -static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - enum ocfs2_extent_tree_type et_type, - void *obj) +static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + void *obj, + enum ocfs2_extent_tree_type et_type, + struct ocfs2_extent_tree_operations *ops) { et->et_type = et_type; + et->et_ops = ops; get_bh(bh); et->et_root_bh = bh; if (!obj) obj = (void *)bh->b_data; et->et_object = obj; - if (et_type == OCFS2_DINODE_EXTENT) { - et->et_ops = &ocfs2_dinode_et_ops; - } else if (et_type == OCFS2_XATTR_VALUE_EXTENT) { - et->et_ops = &ocfs2_xattr_et_ops; - } else if (et_type == OCFS2_XATTR_TREE_EXTENT) { - et->et_ops = &ocfs2_xattr_tree_et_ops; - } - et->et_ops->eo_fill_root_el(et); if (!et->et_ops->eo_fill_max_leaf_clusters) et->et_max_leaf_clusters = 0; @@ -284,6 +278,49 @@ static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops->eo_fill_max_leaf_clusters(inode, et); } +static void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) +{ + __ocfs2_get_extent_tree(et, inode, bh, NULL, OCFS2_DINODE_EXTENT, + &ocfs2_dinode_et_ops); +} + +static void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) +{ + __ocfs2_get_extent_tree(et, inode, bh, NULL, + OCFS2_XATTR_TREE_EXTENT, + &ocfs2_xattr_tree_et_ops); +} + +static void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv) +{ + __ocfs2_get_extent_tree(et, inode, bh, xv, + OCFS2_XATTR_VALUE_EXTENT, + &ocfs2_xattr_value_et_ops); +} + +static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + enum ocfs2_extent_tree_type et_type, + void *obj) +{ + if (et_type == OCFS2_DINODE_EXTENT) + ocfs2_get_dinode_extent_tree(et, inode, bh); + else if (et_type == OCFS2_XATTR_VALUE_EXTENT) + ocfs2_get_xattr_tree_extent_tree(et, inode, bh); + else if (et_type == OCFS2_XATTR_TREE_EXTENT) + ocfs2_get_xattr_value_extent_tree(et, inode, bh, obj); + else + BUG(); +} + static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) { brelse(et->et_root_bh); @@ -4432,8 +4469,7 @@ int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, int status; struct ocfs2_extent_tree et; - ocfs2_get_extent_tree(&et, inode, root_bh, OCFS2_DINODE_EXTENT, - NULL); + ocfs2_get_dinode_extent_tree(&et, inode, root_bh); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, flags, meta_ac, &et); @@ -4451,13 +4487,12 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, u32 new_clusters, u8 flags, struct ocfs2_alloc_context *meta_ac, - void *obj) + struct ocfs2_xattr_value_root *xv) { int status; struct ocfs2_extent_tree et; - ocfs2_get_extent_tree(&et, inode, root_bh, - OCFS2_XATTR_VALUE_EXTENT, obj); + ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, flags, meta_ac, &et); @@ -4479,8 +4514,7 @@ int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, int status; struct ocfs2_extent_tree et; - ocfs2_get_extent_tree(&et, inode, root_bh, OCFS2_XATTR_TREE_EXTENT, - NULL); + ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); status = ocfs2_insert_extent(osb, handle, inode, root_bh, cpos, start_blk, new_clusters, flags, meta_ac, &et); diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 23c695ddaa52..5cc9a83cf1a1 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -56,7 +56,7 @@ int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, u32 new_clusters, u8 flags, struct ocfs2_alloc_context *meta_ac, - void *private); + struct ocfs2_xattr_value_root *xv); int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, handle_t *handle, struct inode *inode, -- GitLab From 1e61ee79e2a96f62c007486677319814ce621c3c Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 18:32:45 -0700 Subject: [PATCH 4530/6244] ocfs2: Add an insertion check to ocfs2_extent_tree_operations. A couple places check an extent_tree for a valid inode. We move that out to add an eo_insert_check() operation. It can be called from ocfs2_insert_extent() and elsewhere. We also have the wrapper calls ocfs2_et_insert_check() and ocfs2_et_sanity_check() ignore NULL ops. That way we don't have to provide useless operations for xattr types. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 69 ++++++++++++++++++++++++++++++------------------ 1 file changed, 44 insertions(+), 25 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 7b08180a4c67..ce54730e18ff 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -71,6 +71,9 @@ struct ocfs2_extent_tree_operations { void (*eo_update_clusters)(struct inode *inode, struct ocfs2_extent_tree *et, u32 new_clusters); + int (*eo_insert_check)(struct inode *inode, + struct ocfs2_extent_tree *et, + struct ocfs2_extent_rec *rec); int (*eo_sanity_check)(struct inode *inode, struct ocfs2_extent_tree *et); /* These are internal to ocfs2_extent_tree and don't have @@ -125,6 +128,25 @@ static void ocfs2_dinode_update_clusters(struct inode *inode, spin_unlock(&OCFS2_I(inode)->ip_lock); } +static int ocfs2_dinode_insert_check(struct inode *inode, + struct ocfs2_extent_tree *et, + struct ocfs2_extent_rec *rec) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + BUG_ON(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL); + mlog_bug_on_msg(!ocfs2_sparse_alloc(osb) && + (OCFS2_I(inode)->ip_clusters != rec->e_cpos), + "Device %s, asking for sparse allocation: inode %llu, " + "cpos %u, clusters %u\n", + osb->dev_str, + (unsigned long long)OCFS2_I(inode)->ip_blkno, + rec->e_cpos, + OCFS2_I(inode)->ip_clusters); + + return 0; +} + static int ocfs2_dinode_sanity_check(struct inode *inode, struct ocfs2_extent_tree *et) { @@ -148,6 +170,7 @@ static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, .eo_update_clusters = ocfs2_dinode_update_clusters, + .eo_insert_check = ocfs2_dinode_insert_check, .eo_sanity_check = ocfs2_dinode_sanity_check, .eo_fill_root_el = ocfs2_dinode_fill_root_el, }; @@ -186,17 +209,10 @@ static void ocfs2_xattr_value_update_clusters(struct inode *inode, le32_add_cpu(&xv->xr_clusters, clusters); } -static int ocfs2_xattr_value_sanity_check(struct inode *inode, - struct ocfs2_extent_tree *et) -{ - return 0; -} - static struct ocfs2_extent_tree_operations ocfs2_xattr_value_et_ops = { .eo_set_last_eb_blk = ocfs2_xattr_value_set_last_eb_blk, .eo_get_last_eb_blk = ocfs2_xattr_value_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_value_update_clusters, - .eo_sanity_check = ocfs2_xattr_value_sanity_check, .eo_fill_root_el = ocfs2_xattr_value_fill_root_el, }; @@ -241,17 +257,10 @@ static void ocfs2_xattr_tree_update_clusters(struct inode *inode, le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, clusters); } -static int ocfs2_xattr_tree_sanity_check(struct inode *inode, - struct ocfs2_extent_tree *et) -{ - return 0; -} - static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_set_last_eb_blk = ocfs2_xattr_tree_set_last_eb_blk, .eo_get_last_eb_blk = ocfs2_xattr_tree_get_last_eb_blk, .eo_update_clusters = ocfs2_xattr_tree_update_clusters, - .eo_sanity_check = ocfs2_xattr_tree_sanity_check, .eo_fill_root_el = ocfs2_xattr_tree_fill_root_el, .eo_fill_max_leaf_clusters = ocfs2_xattr_tree_fill_max_leaf_clusters, }; @@ -344,10 +353,25 @@ static inline void ocfs2_et_update_clusters(struct inode *inode, et->et_ops->eo_update_clusters(inode, et, clusters); } +static inline int ocfs2_et_insert_check(struct inode *inode, + struct ocfs2_extent_tree *et, + struct ocfs2_extent_rec *rec) +{ + int ret = 0; + + if (et->et_ops->eo_insert_check) + ret = et->et_ops->eo_insert_check(inode, et, rec); + return ret; +} + static inline int ocfs2_et_sanity_check(struct inode *inode, struct ocfs2_extent_tree *et) { - return et->et_ops->eo_sanity_check(inode, et); + int ret = 0; + + if (et->et_ops->eo_sanity_check) + ret = et->et_ops->eo_sanity_check(inode, et); + return ret; } static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc); @@ -4399,24 +4423,19 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb, struct ocfs2_insert_type insert = {0, }; struct ocfs2_extent_rec rec; - BUG_ON(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL); - mlog(0, "add %u clusters at position %u to inode %llu\n", new_clusters, cpos, (unsigned long long)OCFS2_I(inode)->ip_blkno); - mlog_bug_on_msg(!ocfs2_sparse_alloc(osb) && - (OCFS2_I(inode)->ip_clusters != cpos), - "Device %s, asking for sparse allocation: inode %llu, " - "cpos %u, clusters %u\n", - osb->dev_str, - (unsigned long long)OCFS2_I(inode)->ip_blkno, cpos, - OCFS2_I(inode)->ip_clusters); - memset(&rec, 0, sizeof(rec)); rec.e_cpos = cpu_to_le32(cpos); rec.e_blkno = cpu_to_le64(start_blk); rec.e_leaf_clusters = cpu_to_le16(new_clusters); rec.e_flags = flags; + status = ocfs2_et_insert_check(inode, et, &rec); + if (status) { + mlog_errno(status); + goto bail; + } status = ocfs2_figure_insert_type(inode, et, &last_eb_bh, &rec, &free_records, &insert); -- GitLab From f99b9b7ccf6a691f653cec45f36bfdd1e94769c7 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 20 Aug 2008 19:36:33 -0700 Subject: [PATCH 4531/6244] ocfs2: Make ocfs2_extent_tree the first-class representation of a tree. We now have three different kinds of extent trees in ocfs2: inode data (dinode), extended attributes (xattr_tree), and extended attribute values (xattr_value). There is a nice abstraction for them, ocfs2_extent_tree, but it is hidden in alloc.c. All the calling functions have to pick amongst a varied API and pass in type bits and often extraneous pointers. A better way is to make ocfs2_extent_tree a first-class object. Everyone converts their object to an ocfs2_extent_tree() via the ocfs2_get_*_extent_tree() calls, then uses the ocfs2_extent_tree for all tree calls to alloc.c. This simplifies a lot of callers, making for readability. It also provides an easy way to add additional extent tree types, as they only need to be defined in alloc.c with a ocfs2_get__extent_tree() function. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 300 +++++++++++++------------------------------- fs/ocfs2/alloc.h | 111 ++++++++-------- fs/ocfs2/aops.c | 16 ++- fs/ocfs2/dir.c | 20 +-- fs/ocfs2/file.c | 36 +++--- fs/ocfs2/suballoc.c | 12 +- fs/ocfs2/suballoc.h | 6 +- fs/ocfs2/xattr.c | 71 ++++++----- 8 files changed, 240 insertions(+), 332 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index ce54730e18ff..786a82982622 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -49,20 +49,6 @@ #include "buffer_head_io.h" -/* - * ocfs2_extent_tree and ocfs2_extent_tree_operations are used to abstract - * the b-tree operations in ocfs2. Now all the b-tree operations are not - * limited to ocfs2_dinode only. Any data which need to allocate clusters - * to store can use b-tree. And it only needs to implement its ocfs2_extent_tree - * and operation. - * - * ocfs2_extent_tree contains info for the root of the b-tree, it must have a - * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree - * functions. - * ocfs2_extent_tree_operations abstract the normal operations we do for - * the root of extent b-tree. - */ -struct ocfs2_extent_tree; struct ocfs2_extent_tree_operations { void (*eo_set_last_eb_blk)(struct ocfs2_extent_tree *et, @@ -83,28 +69,38 @@ struct ocfs2_extent_tree_operations { struct ocfs2_extent_tree *et); }; -struct ocfs2_extent_tree { - enum ocfs2_extent_tree_type et_type; - struct ocfs2_extent_tree_operations *et_ops; - struct buffer_head *et_root_bh; - struct ocfs2_extent_list *et_root_el; - void *et_object; - unsigned int et_max_leaf_clusters; -}; -static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) -{ - struct ocfs2_dinode *di = et->et_object; - - et->et_root_el = &di->id2.i_list; -} +/* + * Pre-declare ocfs2_dinode_et_ops so we can use it as a sanity check + * in the methods. + */ +static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et); +static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 blkno); +static void ocfs2_dinode_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters); +static int ocfs2_dinode_insert_check(struct inode *inode, + struct ocfs2_extent_tree *et, + struct ocfs2_extent_rec *rec); +static int ocfs2_dinode_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et); +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et); +static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { + .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, + .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, + .eo_update_clusters = ocfs2_dinode_update_clusters, + .eo_insert_check = ocfs2_dinode_insert_check, + .eo_sanity_check = ocfs2_dinode_sanity_check, + .eo_fill_root_el = ocfs2_dinode_fill_root_el, +}; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { struct ocfs2_dinode *di = et->et_object; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); di->i_last_eb_blk = cpu_to_le64(blkno); } @@ -112,7 +108,7 @@ static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et) { struct ocfs2_dinode *di = et->et_object; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); return le64_to_cpu(di->i_last_eb_blk); } @@ -153,7 +149,7 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, int ret = 0; struct ocfs2_dinode *di; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); di = et->et_object; if (!OCFS2_IS_VALID_DINODE(di)) { @@ -166,14 +162,13 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, return ret; } -static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { - .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, - .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, - .eo_update_clusters = ocfs2_dinode_update_clusters, - .eo_insert_check = ocfs2_dinode_insert_check, - .eo_sanity_check = ocfs2_dinode_sanity_check, - .eo_fill_root_el = ocfs2_dinode_fill_root_el, -}; +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_dinode *di = et->et_object; + + et->et_root_el = &di->id2.i_list; +} + static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) { @@ -269,10 +264,8 @@ static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh, void *obj, - enum ocfs2_extent_tree_type et_type, struct ocfs2_extent_tree_operations *ops) { - et->et_type = et_type; et->et_ops = ops; get_bh(bh); et->et_root_bh = bh; @@ -287,50 +280,31 @@ static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops->eo_fill_max_leaf_clusters(inode, et); } -static void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) +void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) { - __ocfs2_get_extent_tree(et, inode, bh, NULL, OCFS2_DINODE_EXTENT, - &ocfs2_dinode_et_ops); + __ocfs2_get_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); } -static void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) +void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) { __ocfs2_get_extent_tree(et, inode, bh, NULL, - OCFS2_XATTR_TREE_EXTENT, &ocfs2_xattr_tree_et_ops); } -static void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv) +void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv) { __ocfs2_get_extent_tree(et, inode, bh, xv, - OCFS2_XATTR_VALUE_EXTENT, &ocfs2_xattr_value_et_ops); } -static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - enum ocfs2_extent_tree_type et_type, - void *obj) -{ - if (et_type == OCFS2_DINODE_EXTENT) - ocfs2_get_dinode_extent_tree(et, inode, bh); - else if (et_type == OCFS2_XATTR_VALUE_EXTENT) - ocfs2_get_xattr_tree_extent_tree(et, inode, bh); - else if (et_type == OCFS2_XATTR_TREE_EXTENT) - ocfs2_get_xattr_value_extent_tree(et, inode, bh, obj); - else - BUG(); -} - -static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) +void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) { brelse(et->et_root_bh); } @@ -682,22 +656,18 @@ struct ocfs2_merge_ctxt { */ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *root_bh, - enum ocfs2_extent_tree_type type, - void *obj) + struct ocfs2_extent_tree *et) { int retval; struct ocfs2_extent_list *el = NULL; struct ocfs2_extent_block *eb; struct buffer_head *eb_bh = NULL; u64 last_eb_blk = 0; - struct ocfs2_extent_tree et; mlog_entry_void(); - ocfs2_get_extent_tree(&et, inode, root_bh, type, obj); - el = et.et_root_el; - last_eb_blk = ocfs2_et_get_last_eb_blk(&et); + el = et->et_root_el; + last_eb_blk = ocfs2_et_get_last_eb_blk(et); if (last_eb_blk) { retval = ocfs2_read_block(osb, last_eb_blk, @@ -717,7 +687,6 @@ bail: if (eb_bh) brelse(eb_bh); - ocfs2_put_extent_tree(&et); mlog_exit(retval); return retval; } @@ -4406,16 +4375,15 @@ out: * * The caller needs to update fe->i_clusters */ -static int ocfs2_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_extent_tree *et) +int ocfs2_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac) { int status; int uninitialized_var(free_records); @@ -4464,7 +4432,7 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb, status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert); if (status < 0) mlog_errno(status); - else if (et->et_type == OCFS2_DINODE_EXTENT) + else if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_insert_rec(inode, &rec); bail: @@ -4475,77 +4443,10 @@ bail: return status; } -int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_dinode_extent_tree(&et, inode, root_bh); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - -int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_xattr_value_root *xv) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - -int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - /* * Allcate and add clusters into the extent b-tree. * The new clusters(clusters_to_add) will be inserted at logical_offset. - * The extent b-tree's root is root_el and it should be in root_bh, and + * The extent b-tree's root is specified by et, and * it is not limited to the file storage. Any extent tree can use this * function if it implements the proper ocfs2_extent_tree. */ @@ -4554,14 +4455,11 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, u32 *logical_offset, u32 clusters_to_add, int mark_unwritten, - struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, + struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type, - void *obj) + enum ocfs2_alloc_restarted *reason_ret) { int status = 0; int free_extents; @@ -4575,8 +4473,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type, - obj); + free_extents = ocfs2_num_free_extents(osb, inode, et); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -4595,7 +4492,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, goto leave; } else if ((!free_extents) && (ocfs2_alloc_context_bits_left(meta_ac) - < ocfs2_extend_meta_needed(root_el))) { + < ocfs2_extend_meta_needed(et->et_root_el))) { mlog(0, "filesystem is really fragmented...\n"); status = -EAGAIN; reason = RESTART_META; @@ -4613,7 +4510,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, BUG_ON(num_bits > clusters_to_add); /* reserve our write early -- insert_extent may update the inode */ - status = ocfs2_journal_access(handle, inode, root_bh, + status = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -4623,28 +4520,15 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, block = ocfs2_clusters_to_blocks(osb->sb, bit_off); mlog(0, "Allocating %u clusters at block %u for inode %llu\n", num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - if (type == OCFS2_DINODE_EXTENT) - status = ocfs2_dinode_insert_extent(osb, handle, inode, root_bh, - *logical_offset, block, - num_bits, flags, meta_ac); - else if (type == OCFS2_XATTR_TREE_EXTENT) - status = ocfs2_xattr_tree_insert_extent(osb, handle, - inode, root_bh, - *logical_offset, - block, num_bits, flags, - meta_ac); - else - status = ocfs2_xattr_value_insert_extent(osb, handle, - inode, root_bh, - *logical_offset, - block, num_bits, flags, - meta_ac, obj); + status = ocfs2_insert_extent(osb, handle, inode, et, + *logical_offset, block, + num_bits, flags, meta_ac); if (status < 0) { mlog_errno(status); goto leave; } - status = ocfs2_journal_dirty(handle, root_bh); + status = ocfs2_journal_dirty(handle, et->et_root_bh); if (status < 0) { mlog_errno(status); goto leave; @@ -4915,25 +4799,21 @@ out: * * The caller is responsible for passing down meta_ac if we'll need it. */ -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_mark_extent_written(struct inode *inode, + struct ocfs2_extent_tree *et, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *obj) + struct ocfs2_cached_dealloc_ctxt *dealloc) { int ret, index; u64 start_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys); struct ocfs2_extent_rec split_rec; struct ocfs2_path *left_path = NULL; struct ocfs2_extent_list *el; - struct ocfs2_extent_tree et; mlog(0, "Inode %lu cpos %u, len %u, phys %u (%llu)\n", inode->i_ino, cpos, len, phys, (unsigned long long)start_blkno); - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); - if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) { ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents " "that are being written to, but the feature bit " @@ -4946,11 +4826,14 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, /* * XXX: This should be fixed up so that we just re-insert the * next extent records. + * + * XXX: This is a hack on the extent tree, maybe it should be + * an op? */ - if (et_type == OCFS2_DINODE_EXTENT) + if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et.et_root_bh, et.et_root_el); + left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4981,7 +4864,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, split_rec.e_flags = path_leaf_el(left_path)->l_recs[index].e_flags; split_rec.e_flags &= ~OCFS2_EXT_UNWRITTEN; - ret = __ocfs2_mark_extent_written(inode, &et, handle, left_path, + ret = __ocfs2_mark_extent_written(inode, et, handle, left_path, index, &split_rec, meta_ac, dealloc); if (ret) @@ -4989,7 +4872,6 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(left_path); - ocfs2_put_extent_tree(&et); return ret; } @@ -5219,25 +5101,21 @@ out: return ret; } -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_remove_extent(struct inode *inode, + struct ocfs2_extent_tree *et, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *obj) + struct ocfs2_cached_dealloc_ctxt *dealloc) { int ret, index; u32 rec_range, trunc_range; struct ocfs2_extent_rec *rec; struct ocfs2_extent_list *el; struct ocfs2_path *path = NULL; - struct ocfs2_extent_tree et; - - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et.et_root_bh, et.et_root_el); + path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -5290,13 +5168,13 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, if (le32_to_cpu(rec->e_cpos) == cpos || rec_range == trunc_range) { ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, &et); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; } } else { - ret = ocfs2_split_tree(inode, &et, handle, path, index, + ret = ocfs2_split_tree(inode, et, handle, path, index, trunc_range, meta_ac); if (ret) { mlog_errno(ret); @@ -5345,7 +5223,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, } ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, &et); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; @@ -5354,7 +5232,6 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(path); - ocfs2_put_extent_tree(&et); return ret; } @@ -6773,6 +6650,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, struct ocfs2_alloc_context *data_ac = NULL; struct page **pages = NULL; loff_t end = osb->s_clustersize; + struct ocfs2_extent_tree et; has_data = i_size_read(inode) ? 1 : 0; @@ -6872,8 +6750,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, * this proves to be false, we could always re-build * the in-inode data from our pages. */ - ret = ocfs2_dinode_insert_extent(osb, handle, inode, di_bh, - 0, block, 1, 0, NULL); + ocfs2_get_dinode_extent_tree(&et, inode, di_bh); + ret = ocfs2_insert_extent(osb, handle, inode, &et, + 0, block, 1, 0, NULL); + ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 5cc9a83cf1a1..35ad07f96104 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -26,46 +26,66 @@ #ifndef OCFS2_ALLOC_H #define OCFS2_ALLOC_H -enum ocfs2_extent_tree_type { - OCFS2_DINODE_EXTENT = 0, - OCFS2_XATTR_VALUE_EXTENT, - OCFS2_XATTR_TREE_EXTENT, -}; /* * For xattr tree leaf, we limit the leaf byte size to be 64K. */ #define OCFS2_MAX_XATTR_TREE_LEAF_SIZE 65536 +/* + * ocfs2_extent_tree and ocfs2_extent_tree_operations are used to abstract + * the b-tree operations in ocfs2. Now all the b-tree operations are not + * limited to ocfs2_dinode only. Any data which need to allocate clusters + * to store can use b-tree. And it only needs to implement its ocfs2_extent_tree + * and operation. + * + * ocfs2_extent_tree becomes the first-class object for extent tree + * manipulation. Callers of the alloc.c code need to fill it via one of + * the ocfs2_get_*_extent_tree() operations below. + * + * ocfs2_extent_tree contains info for the root of the b-tree, it must have a + * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree + * functions. + * ocfs2_extent_tree_operations abstract the normal operations we do for + * the root of extent b-tree. + */ +struct ocfs2_extent_tree_operations; +struct ocfs2_extent_tree { + struct ocfs2_extent_tree_operations *et_ops; + struct buffer_head *et_root_bh; + struct ocfs2_extent_list *et_root_el; + void *et_object; + unsigned int et_max_leaf_clusters; +}; + +/* + * ocfs2_*_get_extent_tree() will fill an ocfs2_extent_tree from the + * specified object buffer. The bh is referenced until + * ocfs2_put_extent_tree(). + */ +void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh); +void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh); +void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv); +void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et); + struct ocfs2_alloc_context; -int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac); -int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_xattr_value_root *xv); -int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac); +int ocfs2_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac); + enum ocfs2_alloc_restarted { RESTART_NONE = 0, RESTART_TRANS, @@ -76,32 +96,25 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, u32 *logical_offset, u32 clusters_to_add, int mark_unwritten, - struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, + struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type, - void *private); + enum ocfs2_alloc_restarted *reason_ret); struct ocfs2_cached_dealloc_ctxt; -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_mark_extent_written(struct inode *inode, + struct ocfs2_extent_tree *et, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *private); -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, + struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_remove_extent(struct inode *inode, + struct ocfs2_extent_tree *et, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *private); + struct ocfs2_cached_dealloc_ctxt *dealloc); int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *root_bh, - enum ocfs2_extent_tree_type et_type, - void *private); + struct ocfs2_extent_tree *et); /* * how many new metadata chunks would an allocation need at maximum? diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 530b1ff599c0..ed937fa9e4e3 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1242,6 +1242,7 @@ static int ocfs2_write_cluster(struct address_space *mapping, int ret, i, new, should_zero = 0; u64 v_blkno, p_blkno; struct inode *inode = mapping->host; + struct ocfs2_extent_tree et; new = phys == 0 ? 1 : 0; if (new || unwritten) @@ -1276,10 +1277,11 @@ static int ocfs2_write_cluster(struct address_space *mapping, goto out; } } else if (unwritten) { - ret = ocfs2_mark_extent_written(inode, wc->w_di_bh, + ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ret = ocfs2_mark_extent_written(inode, &et, wc->w_handle, cpos, 1, phys, - meta_ac, &wc->w_dealloc, - OCFS2_DINODE_EXTENT, NULL); + meta_ac, &wc->w_dealloc); + ocfs2_put_extent_tree(&et); if (ret < 0) { mlog_errno(ret); goto out; @@ -1666,6 +1668,7 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, struct ocfs2_alloc_context *data_ac = NULL; struct ocfs2_alloc_context *meta_ac = NULL; handle_t *handle; + struct ocfs2_extent_tree et; ret = ocfs2_alloc_write_ctxt(&wc, osb, pos, len, di_bh); if (ret) { @@ -1719,10 +1722,11 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, (long long)i_size_read(inode), le32_to_cpu(di->i_clusters), clusters_to_alloc, extents_to_split); - ret = ocfs2_lock_allocators(inode, wc->w_di_bh, &di->id2.i_list, + ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ret = ocfs2_lock_allocators(inode, &et, clusters_to_alloc, extents_to_split, - &data_ac, &meta_ac, - OCFS2_DINODE_EXTENT, NULL); + &data_ac, &meta_ac); + ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 5426a02c12bb..2cdc55390348 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1192,6 +1192,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, struct buffer_head *dirdata_bh = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; handle_t *handle; + struct ocfs2_extent_tree et; + + ocfs2_get_dinode_extent_tree(&et, dir, di_bh); alloc = ocfs2_clusters_for_bytes(sb, bytes); @@ -1305,8 +1308,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * This should never fail as our extent list is empty and all * related blocks have been journaled already. */ - ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 0, blkno, - len, 0, NULL); + ret = ocfs2_insert_extent(osb, handle, dir, &et, 0, blkno, len, + 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1337,8 +1340,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, } blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off); - ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 1, - blkno, len, 0, NULL); + ret = ocfs2_insert_extent(osb, handle, dir, &et, 1, + blkno, len, 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1360,6 +1363,7 @@ out: brelse(dirdata_bh); + ocfs2_put_extent_tree(&et); return ret; } @@ -1437,6 +1441,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, struct buffer_head *new_bh = NULL; struct ocfs2_dir_entry * de; struct super_block *sb = osb->sb; + struct ocfs2_extent_tree et; mlog_entry_void(); @@ -1480,10 +1485,9 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, spin_lock(&OCFS2_I(dir)->ip_lock); if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) { spin_unlock(&OCFS2_I(dir)->ip_lock); - num_free_extents = ocfs2_num_free_extents(osb, dir, - parent_fe_bh, - OCFS2_DINODE_EXTENT, - NULL); + ocfs2_get_dinode_extent_tree(&et, dir, parent_fe_bh); + num_free_extents = ocfs2_num_free_extents(osb, dir, &et); + ocfs2_put_extent_tree(&et); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index f4273c2c2095..ca3d38addbb9 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -509,14 +509,17 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret) { - struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data; - struct ocfs2_extent_list *el = &fe->id2.i_list; + int ret; + struct ocfs2_extent_tree et; - return ocfs2_add_clusters_in_btree(osb, inode, logical_offset, + ocfs2_get_dinode_extent_tree(&et, inode, fe_bh); + ret = ocfs2_add_clusters_in_btree(osb, inode, logical_offset, clusters_to_add, mark_unwritten, - fe_bh, el, handle, - data_ac, meta_ac, reason_ret, - OCFS2_DINODE_EXTENT, NULL); + &et, handle, + data_ac, meta_ac, reason_ret); + ocfs2_put_extent_tree(&et); + + return ret; } static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, @@ -533,6 +536,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, struct ocfs2_alloc_context *meta_ac = NULL; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_extent_tree et; mlog_entry("(clusters_to_add = %u)\n", clusters_to_add); @@ -564,9 +568,10 @@ restart_all: (unsigned long long)OCFS2_I(inode)->ip_blkno, (long long)i_size_read(inode), le32_to_cpu(fe->i_clusters), clusters_to_add); - status = ocfs2_lock_allocators(inode, bh, &fe->id2.i_list, - clusters_to_add, 0, &data_ac, - &meta_ac, OCFS2_DINODE_EXTENT, NULL); + ocfs2_get_dinode_extent_tree(&et, inode, bh); + status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); + ocfs2_put_extent_tree(&et); if (status) { mlog_errno(status); goto leave; @@ -1236,11 +1241,13 @@ static int __ocfs2_remove_inode_range(struct inode *inode, handle_t *handle; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; + struct ocfs2_extent_tree et; + + ocfs2_get_dinode_extent_tree(&et, inode, di_bh); - ret = ocfs2_lock_allocators(inode, di_bh, &di->id2.i_list, - 0, 1, NULL, &meta_ac, - OCFS2_DINODE_EXTENT, NULL); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -1269,8 +1276,8 @@ static int __ocfs2_remove_inode_range(struct inode *inode, goto out; } - ret = ocfs2_remove_extent(inode, di_bh, cpos, len, handle, meta_ac, - dealloc, OCFS2_DINODE_EXTENT, NULL); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -1297,6 +1304,7 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index f1871ca83815..8d3947e94a2e 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1914,12 +1914,11 @@ static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe) * File systems which don't support holes call this from * ocfs2_extend_allocation(). */ -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, +int ocfs2_lock_allocators(struct inode *inode, + struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac, - enum ocfs2_extent_tree_type type, void *private) + struct ocfs2_alloc_context **meta_ac) { int ret = 0, num_free_extents; unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; @@ -1931,8 +1930,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, BUG_ON(clusters_to_add != 0 && data_ac == NULL); - num_free_extents = ocfs2_num_free_extents(osb, inode, root_bh, - type, private); + num_free_extents = ocfs2_num_free_extents(osb, inode, et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); @@ -1954,7 +1952,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, */ if (!num_free_extents || (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { - ret = ocfs2_reserve_new_metadata(osb, root_el, meta_ac); + ret = ocfs2_reserve_new_metadata(osb, et->et_root_el, meta_ac); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 028fd633b44e..dd0963695edc 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -165,10 +165,8 @@ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); int ocfs2_check_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, struct ocfs2_group_desc *gd); -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, +int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac, - enum ocfs2_extent_tree_type type, void *private); + struct ocfs2_alloc_context **meta_ac); #endif /* _CHAINALLOC_H_ */ diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 1b349c7367a9..9c3d4dc3e2ea 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -206,22 +206,24 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_extent_list *root_el = &xv->xr_list; u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); + struct ocfs2_extent_tree et; mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); + ocfs2_get_xattr_value_extent_tree(&et, inode, xattr_bh, xv); + restart_all: - status = ocfs2_lock_allocators(inode, xattr_bh, root_el, - clusters_to_add, 0, &data_ac, - &meta_ac, OCFS2_XATTR_VALUE_EXTENT, xv); + status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); if (status) { mlog_errno(status); goto leave; } - credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, + clusters_to_add); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); @@ -244,14 +246,11 @@ restarted_transaction: &logical_start, clusters_to_add, 0, - xattr_bh, - root_el, + &et, handle, data_ac, meta_ac, - &why, - OCFS2_XATTR_VALUE_EXTENT, - xv); + &why); if ((status < 0) && (status != -EAGAIN)) { if (status != -ENOSPC) mlog_errno(status); @@ -276,7 +275,7 @@ restarted_transaction: mlog(0, "restarting transaction.\n"); /* TODO: This can be more intelligent. */ credits = ocfs2_calc_extend_credits(osb->sb, - root_el, + et.et_root_el, clusters_to_add); status = ocfs2_extend_trans(handle, credits); if (status < 0) { @@ -308,6 +307,7 @@ leave: goto restart_all; } + ocfs2_put_extent_tree(&et); return status; } @@ -323,11 +323,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, struct inode *tl_inode = osb->osb_tl_inode; handle_t *handle; struct ocfs2_alloc_context *meta_ac = NULL; + struct ocfs2_extent_tree et; + + ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); - ret = ocfs2_lock_allocators(inode, root_bh, &xv->xr_list, - 0, 1, NULL, &meta_ac, - OCFS2_XATTR_VALUE_EXTENT, xv); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -356,8 +358,8 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out_commit; } - ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, - dealloc, OCFS2_XATTR_VALUE_EXTENT, xv); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -383,6 +385,7 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } @@ -3622,26 +3625,24 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, struct ocfs2_alloc_context *data_ac = NULL; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)root_bh->b_data; - struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; - struct ocfs2_extent_list *root_el = &xb_root->xt_list; - enum ocfs2_extent_tree_type type = OCFS2_XATTR_TREE_EXTENT; + struct ocfs2_extent_tree et; mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " "previous xattr blkno = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno, prev_cpos, prev_blkno); - ret = ocfs2_lock_allocators(inode, root_bh, root_el, - clusters_to_add, 0, &data_ac, - &meta_ac, type, NULL); + ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); + + ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); if (ret) { mlog_errno(ret); goto leave; } - credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, + clusters_to_add); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -3705,9 +3706,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, block, v_start); - ret = ocfs2_xattr_tree_insert_extent(osb, handle, inode, root_bh, - v_start, block, num_bits, - 0, meta_ac); + ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, + num_bits, 0, meta_ac); if (ret < 0) { mlog_errno(ret); goto leave; @@ -3727,6 +3727,7 @@ leave: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } @@ -4331,9 +4332,11 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, handle_t *handle; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)root_bh->b_data; - struct ocfs2_extent_list *root_el = &xb->xb_attrs.xb_root.xt_list; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_cached_dealloc_ctxt dealloc; + struct ocfs2_extent_tree et; + + ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); ocfs2_init_dealloc_ctxt(&dealloc); @@ -4342,10 +4345,9 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, ocfs2_remove_xattr_clusters_from_cache(inode, blkno, len); - ret = ocfs2_lock_allocators(inode, root_bh, root_el, - 0, 1, NULL, &meta_ac, - OCFS2_XATTR_TREE_EXTENT, NULL); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -4374,8 +4376,8 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, goto out_commit; } - ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, - &dealloc, OCFS2_XATTR_TREE_EXTENT, NULL); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + &dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -4405,6 +4407,7 @@ out: ocfs2_run_deallocs(osb, &dealloc); + ocfs2_put_extent_tree(&et); return ret; } -- GitLab From 1625f8ac151743e452ec062c2989669c508ffa48 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 21 Aug 2008 17:11:10 -0700 Subject: [PATCH 4532/6244] ocfs2: Comment struct ocfs2_extent_tree_operations. struct ocfs2_extent_tree_operations provides methods for the different on-disk btrees in ocfs2. Describing what those methods do is probably a good idea. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 45 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 2 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 786a82982622..06b9bd73d6d2 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -50,21 +50,62 @@ #include "buffer_head_io.h" +/* + * Operations for a specific extent tree type. + * + * To implement an on-disk btree (extent tree) type in ocfs2, add + * an ocfs2_extent_tree_operations structure and the matching + * ocfs2_get__extent_tree() function. That's pretty much it + * for the allocation portion of the extent tree. + */ struct ocfs2_extent_tree_operations { + /* + * last_eb_blk is the block number of the right most leaf extent + * block. Most on-disk structures containing an extent tree store + * this value for fast access. The ->eo_set_last_eb_blk() and + * ->eo_get_last_eb_blk() operations access this value. They are + * both required. + */ void (*eo_set_last_eb_blk)(struct ocfs2_extent_tree *et, u64 blkno); u64 (*eo_get_last_eb_blk)(struct ocfs2_extent_tree *et); + + /* + * The on-disk structure usually keeps track of how many total + * clusters are stored in this extent tree. This function updates + * that value. new_clusters is the delta, and must be + * added to the total. Required. + */ void (*eo_update_clusters)(struct inode *inode, struct ocfs2_extent_tree *et, u32 new_clusters); + + /* + * If ->eo_insert_check() exists, it is called before rec is + * inserted into the extent tree. It is optional. + */ int (*eo_insert_check)(struct inode *inode, struct ocfs2_extent_tree *et, struct ocfs2_extent_rec *rec); int (*eo_sanity_check)(struct inode *inode, struct ocfs2_extent_tree *et); - /* These are internal to ocfs2_extent_tree and don't have - * accessor functions */ + /* + * -------------------------------------------------------------- + * The remaining are internal to ocfs2_extent_tree and don't have + * accessor functions + */ + + /* + * ->eo_fill_root_el() takes et->et_object and sets et->et_root_el. + * It is required. + */ void (*eo_fill_root_el)(struct ocfs2_extent_tree *et); + + /* + * ->eo_fill_max_leaf_clusters sets et->et_max_leaf_clusters if + * it exists. If it does not, et->et_max_leaf_clusters is set + * to 0 (unlimited). Optional. + */ void (*eo_fill_max_leaf_clusters)(struct inode *inode, struct ocfs2_extent_tree *et); }; -- GitLab From 8d6220d6a74a33552cf877bcea25503d7f6a59e6 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 22 Aug 2008 12:46:09 -0700 Subject: [PATCH 4533/6244] ocfs2: Change ocfs2_get_*_extent_tree() to ocfs2_init_*_extent_tree() The original get/put_extent_tree() functions held a reference on et_root_bh. However, every single caller already has a safe reference, making the get/put cycle irrelevant. We change ocfs2_get_*_extent_tree() to ocfs2_init_*_extent_tree(). It no longer gets a reference on et_root_bh. ocfs2_put_extent_tree() is removed. Callers now have a simpler init+use pattern. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 49 +++++++++++++++++++++--------------------------- fs/ocfs2/alloc.h | 26 ++++++++++++------------- fs/ocfs2/aops.c | 6 ++---- fs/ocfs2/dir.c | 6 ++---- fs/ocfs2/file.c | 10 +++------- fs/ocfs2/xattr.c | 14 ++++---------- 6 files changed, 44 insertions(+), 67 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 06b9bd73d6d2..47201b67dbf2 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -55,7 +55,7 @@ * * To implement an on-disk btree (extent tree) type in ocfs2, add * an ocfs2_extent_tree_operations structure and the matching - * ocfs2_get__extent_tree() function. That's pretty much it + * ocfs2_init__extent_tree() function. That's pretty much it * for the allocation portion of the extent tree. */ struct ocfs2_extent_tree_operations { @@ -301,14 +301,13 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { .eo_fill_max_leaf_clusters = ocfs2_xattr_tree_fill_max_leaf_clusters, }; -static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - void *obj, - struct ocfs2_extent_tree_operations *ops) +static void __ocfs2_init_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + void *obj, + struct ocfs2_extent_tree_operations *ops) { et->et_ops = ops; - get_bh(bh); et->et_root_bh = bh; if (!obj) obj = (void *)bh->b_data; @@ -321,33 +320,28 @@ static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops->eo_fill_max_leaf_clusters(inode, et); } -void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) -{ - __ocfs2_get_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); -} - -void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) +void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) { - __ocfs2_get_extent_tree(et, inode, bh, NULL, - &ocfs2_xattr_tree_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); } -void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, +void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv) + struct buffer_head *bh) { - __ocfs2_get_extent_tree(et, inode, bh, xv, - &ocfs2_xattr_value_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, NULL, + &ocfs2_xattr_tree_et_ops); } -void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) +void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv) { - brelse(et->et_root_bh); + __ocfs2_init_extent_tree(et, inode, bh, xv, + &ocfs2_xattr_value_et_ops); } static inline void ocfs2_et_set_last_eb_blk(struct ocfs2_extent_tree *et, @@ -6791,10 +6785,9 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, * this proves to be false, we could always re-build * the in-inode data from our pages. */ - ocfs2_get_dinode_extent_tree(&et, inode, di_bh); + ocfs2_init_dinode_extent_tree(&et, inode, di_bh); ret = ocfs2_insert_extent(osb, handle, inode, &et, 0, block, 1, 0, NULL); - ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 35ad07f96104..70257c84cfbe 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -41,7 +41,7 @@ * * ocfs2_extent_tree becomes the first-class object for extent tree * manipulation. Callers of the alloc.c code need to fill it via one of - * the ocfs2_get_*_extent_tree() operations below. + * the ocfs2_init_*_extent_tree() operations below. * * ocfs2_extent_tree contains info for the root of the b-tree, it must have a * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree @@ -59,21 +59,19 @@ struct ocfs2_extent_tree { }; /* - * ocfs2_*_get_extent_tree() will fill an ocfs2_extent_tree from the - * specified object buffer. The bh is referenced until - * ocfs2_put_extent_tree(). + * ocfs2_init_*_extent_tree() will fill an ocfs2_extent_tree from the + * specified object buffer. */ -void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh); -void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh); -void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, +void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh); +void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv); -void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et); + struct buffer_head *bh); +void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv); struct ocfs2_alloc_context; int ocfs2_insert_extent(struct ocfs2_super *osb, diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index ed937fa9e4e3..259775eedb85 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1277,11 +1277,10 @@ static int ocfs2_write_cluster(struct address_space *mapping, goto out; } } else if (unwritten) { - ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ocfs2_init_dinode_extent_tree(&et, inode, wc->w_di_bh); ret = ocfs2_mark_extent_written(inode, &et, wc->w_handle, cpos, 1, phys, meta_ac, &wc->w_dealloc); - ocfs2_put_extent_tree(&et); if (ret < 0) { mlog_errno(ret); goto out; @@ -1722,11 +1721,10 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, (long long)i_size_read(inode), le32_to_cpu(di->i_clusters), clusters_to_alloc, extents_to_split); - ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ocfs2_init_dinode_extent_tree(&et, inode, wc->w_di_bh); ret = ocfs2_lock_allocators(inode, &et, clusters_to_alloc, extents_to_split, &data_ac, &meta_ac); - ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 2cdc55390348..167e6c96277d 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1194,7 +1194,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, handle_t *handle; struct ocfs2_extent_tree et; - ocfs2_get_dinode_extent_tree(&et, dir, di_bh); + ocfs2_init_dinode_extent_tree(&et, dir, di_bh); alloc = ocfs2_clusters_for_bytes(sb, bytes); @@ -1363,7 +1363,6 @@ out: brelse(dirdata_bh); - ocfs2_put_extent_tree(&et); return ret; } @@ -1485,9 +1484,8 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, spin_lock(&OCFS2_I(dir)->ip_lock); if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) { spin_unlock(&OCFS2_I(dir)->ip_lock); - ocfs2_get_dinode_extent_tree(&et, dir, parent_fe_bh); + ocfs2_init_dinode_extent_tree(&et, dir, parent_fe_bh); num_free_extents = ocfs2_num_free_extents(osb, dir, &et); - ocfs2_put_extent_tree(&et); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index ca3d38addbb9..441c6a94059d 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -512,12 +512,11 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, int ret; struct ocfs2_extent_tree et; - ocfs2_get_dinode_extent_tree(&et, inode, fe_bh); + ocfs2_init_dinode_extent_tree(&et, inode, fe_bh); ret = ocfs2_add_clusters_in_btree(osb, inode, logical_offset, clusters_to_add, mark_unwritten, &et, handle, data_ac, meta_ac, reason_ret); - ocfs2_put_extent_tree(&et); return ret; } @@ -568,10 +567,9 @@ restart_all: (unsigned long long)OCFS2_I(inode)->ip_blkno, (long long)i_size_read(inode), le32_to_cpu(fe->i_clusters), clusters_to_add); - ocfs2_get_dinode_extent_tree(&et, inode, bh); + ocfs2_init_dinode_extent_tree(&et, inode, bh); status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, &data_ac, &meta_ac); - ocfs2_put_extent_tree(&et); if (status) { mlog_errno(status); goto leave; @@ -1243,11 +1241,10 @@ static int __ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_extent_tree et; - ocfs2_get_dinode_extent_tree(&et, inode, di_bh); + ocfs2_init_dinode_extent_tree(&et, inode, di_bh); ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { - ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -1304,7 +1301,6 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); - ocfs2_put_extent_tree(&et); return ret; } diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9c3d4dc3e2ea..1a4de3dc2ba9 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -211,7 +211,7 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); - ocfs2_get_xattr_value_extent_tree(&et, inode, xattr_bh, xv); + ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv); restart_all: @@ -307,7 +307,6 @@ leave: goto restart_all; } - ocfs2_put_extent_tree(&et); return status; } @@ -325,11 +324,10 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_extent_tree et; - ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); + ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv); ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { - ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -385,7 +383,6 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); - ocfs2_put_extent_tree(&et); return ret; } @@ -3632,7 +3629,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, (unsigned long long)OCFS2_I(inode)->ip_blkno, prev_cpos, prev_blkno); - ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); + ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, &data_ac, &meta_ac); @@ -3727,7 +3724,6 @@ leave: if (meta_ac) ocfs2_free_alloc_context(meta_ac); - ocfs2_put_extent_tree(&et); return ret; } @@ -4336,7 +4332,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, struct ocfs2_cached_dealloc_ctxt dealloc; struct ocfs2_extent_tree et; - ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); + ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); ocfs2_init_dealloc_ctxt(&dealloc); @@ -4347,7 +4343,6 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { - ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -4407,7 +4402,6 @@ out: ocfs2_run_deallocs(osb, &dealloc); - ocfs2_put_extent_tree(&et); return ret; } -- GitLab From 28b8ca0b7f70b1b048d03dc0b9d87f58619e9791 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 1 Sep 2008 08:45:18 +0800 Subject: [PATCH 4534/6244] ocfs2: bug-fix for journal extend in xattr. In ocfs2_extend_trans, when we can't extend the current transaction, it will commit current transaction and restart a new one. So if the previous credits we have allocated aren't used(the block isn't dirtied before our extend), we will not have enough credits for any future operation(it will cause jbd complain and bug out). So check this and re-extend it. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 1a4de3dc2ba9..38e3e5e216bd 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1336,8 +1336,9 @@ static int ocfs2_xattr_set_entry(struct inode *inode, } if (!(flag & OCFS2_INLINE_XATTR_FL)) { - /*set extended attribue in external blcok*/ + /* set extended attribute in external block. */ ret = ocfs2_extend_trans(handle, + OCFS2_INODE_UPDATE_CREDITS + OCFS2_XATTR_BLOCK_UPDATE_CREDITS); if (ret) { mlog_errno(ret); @@ -3701,6 +3702,18 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } } + if (handle->h_buffer_credits < credits) { + /* + * The journal has been restarted before, and don't + * have enough space for the insertion, so extend it + * here. + */ + ret = ocfs2_extend_trans(handle, credits); + if (ret) { + mlog_errno(ret); + goto leave; + } + } mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, block, v_start); ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, -- GitLab From 08413899db89d8d636c2a2d4ba5c356ab587d7ef Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 29 Aug 2008 09:00:19 +0800 Subject: [PATCH 4535/6244] ocfs2: Resolve deadlock in ocfs2_xattr_free_block. In ocfs2_xattr_free_block, we take a cluster lock on xb_alloc_inode while we have a transaction open. This will deadlock the downconvert thread, so fix it. We can clean up how xattr blocks are removed while here - this patch also moves the mechanism of releasing xattr block (including both value, xattr tree and xattr block) into this function. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 152 +++++++++++++++++++++++++---------------------- 1 file changed, 82 insertions(+), 70 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 38e3e5e216bd..b2e25a828e38 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1427,51 +1427,6 @@ out: } -static int ocfs2_xattr_free_block(handle_t *handle, - struct ocfs2_super *osb, - struct ocfs2_xattr_block *xb) -{ - struct inode *xb_alloc_inode; - struct buffer_head *xb_alloc_bh = NULL; - u64 blk = le64_to_cpu(xb->xb_blkno); - u16 bit = le16_to_cpu(xb->xb_suballoc_bit); - u64 bg_blkno = ocfs2_which_suballoc_group(blk, bit); - int ret = 0; - - xb_alloc_inode = ocfs2_get_system_file_inode(osb, - EXTENT_ALLOC_SYSTEM_INODE, - le16_to_cpu(xb->xb_suballoc_slot)); - if (!xb_alloc_inode) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } - mutex_lock(&xb_alloc_inode->i_mutex); - - ret = ocfs2_inode_lock(xb_alloc_inode, &xb_alloc_bh, 1); - if (ret < 0) { - mlog_errno(ret); - goto out_mutex; - } - ret = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_FREE); - if (ret < 0) { - mlog_errno(ret); - goto out_unlock; - } - ret = ocfs2_free_suballoc_bits(handle, xb_alloc_inode, xb_alloc_bh, - bit, bg_blkno, 1); - if (ret < 0) - mlog_errno(ret); -out_unlock: - ocfs2_inode_unlock(xb_alloc_inode, 1); - brelse(xb_alloc_bh); -out_mutex: - mutex_unlock(&xb_alloc_inode->i_mutex); - iput(xb_alloc_inode); -out: - return ret; -} - static int ocfs2_remove_value_outside(struct inode*inode, struct buffer_head *bh, struct ocfs2_xattr_header *header) @@ -1533,6 +1488,84 @@ static int ocfs2_xattr_block_remove(struct inode *inode, return ret; } +static int ocfs2_xattr_free_block(struct inode *inode, + u64 block) +{ + struct inode *xb_alloc_inode; + struct buffer_head *xb_alloc_bh = NULL; + struct buffer_head *blk_bh = NULL; + struct ocfs2_xattr_block *xb; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + handle_t *handle; + int ret = 0; + u64 blk, bg_blkno; + u16 bit; + + ret = ocfs2_read_block(osb, block, &blk_bh, + OCFS2_BH_CACHED, inode); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + + /*Verify the signature of xattr block*/ + if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, + strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { + ret = -EFAULT; + goto out; + } + + ret = ocfs2_xattr_block_remove(inode, blk_bh); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; + blk = le64_to_cpu(xb->xb_blkno); + bit = le16_to_cpu(xb->xb_suballoc_bit); + bg_blkno = ocfs2_which_suballoc_group(blk, bit); + + xb_alloc_inode = ocfs2_get_system_file_inode(osb, + EXTENT_ALLOC_SYSTEM_INODE, + le16_to_cpu(xb->xb_suballoc_slot)); + if (!xb_alloc_inode) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + mutex_lock(&xb_alloc_inode->i_mutex); + + ret = ocfs2_inode_lock(xb_alloc_inode, &xb_alloc_bh, 1); + if (ret < 0) { + mlog_errno(ret); + goto out_mutex; + } + + handle = ocfs2_start_trans(osb, OCFS2_SUBALLOC_FREE); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out_unlock; + } + + ret = ocfs2_free_suballoc_bits(handle, xb_alloc_inode, xb_alloc_bh, + bit, bg_blkno, 1); + if (ret < 0) + mlog_errno(ret); + + ocfs2_commit_trans(osb, handle); +out_unlock: + ocfs2_inode_unlock(xb_alloc_inode, 1); + brelse(xb_alloc_bh); +out_mutex: + mutex_unlock(&xb_alloc_inode->i_mutex); + iput(xb_alloc_inode); +out: + brelse(blk_bh); + return ret; +} + /* * ocfs2_xattr_remove() * @@ -1540,9 +1573,6 @@ static int ocfs2_xattr_block_remove(struct inode *inode, */ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) { - struct ocfs2_xattr_block *xb; - struct buffer_head *blk_bh = NULL; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; handle_t *handle; @@ -1561,22 +1591,10 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) goto out; } } - if (di->i_xattr_loc) { - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED, inode); - if (ret < 0) { - mlog_errno(ret); - return ret; - } - /*Verify the signature of xattr block*/ - if (memcmp((void *)blk_bh->b_data, OCFS2_XATTR_BLOCK_SIGNATURE, - strlen(OCFS2_XATTR_BLOCK_SIGNATURE))) { - ret = -EFAULT; - goto out; - } - ret = ocfs2_xattr_block_remove(inode, blk_bh); + if (di->i_xattr_loc) { + ret = ocfs2_xattr_free_block(inode, + le64_to_cpu(di->i_xattr_loc)); if (ret < 0) { mlog_errno(ret); goto out; @@ -1597,11 +1615,7 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) goto out_commit; } - if (di->i_xattr_loc) { - xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - ocfs2_xattr_free_block(handle, osb, xb); - di->i_xattr_loc = cpu_to_le64(0); - } + di->i_xattr_loc = 0; spin_lock(&oi->ip_lock); oi->ip_dyn_features &= ~(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL); @@ -1614,8 +1628,6 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) out_commit: ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: - brelse(blk_bh); - return ret; } -- GitLab From 1187c968852e3c668f3b9376083851f81f6eee22 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 3 Sep 2008 20:03:39 -0700 Subject: [PATCH 4536/6244] ocfs2: Limit inode allocation to 32bits. ocfs2 inode numbers are block numbers. For any filesystem with less than 2^32 blocks, this is not a problem. However, when ocfs2 starts using JDB2, it will be able to support filesystems with more than 2^32 blocks. This would result in inode numbers higher than 2^32. The problem is that stat(2) can't handle those numbers on 32bit machines. The simple solution is to have ocfs2 allocate all inodes below that boundary. The suballoc code is changed to honor an optional block limit. Only the inode suballocator sets that limit - all other allocations stay unlimited. The biggest trick is to grow the inode suballocator beneath that limit. There's no point in allocating block groups that are above the limit, then rejecting their elements later on. We want to prevent the inode allocator from ever having block groups above the limit. This involves a little gyration with the local alloc code. If the local alloc window is above the limit, it signals the caller to try the global bitmap but does not disable the local alloc file (which can be used for other allocations). [ Minor cleanup - removed an ML_NOTICE comment. --Mark ] Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/localalloc.c | 55 ++++++++++++++++++++++++++++ fs/ocfs2/suballoc.c | 83 +++++++++++++++++++++++++++++++++++-------- fs/ocfs2/suballoc.h | 11 +++--- 3 files changed, 130 insertions(+), 19 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index b889f10d8090..02227c392510 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -570,6 +570,46 @@ out: return status; } +/* Check to see if the local alloc window is within ac->ac_max_block */ +static int ocfs2_local_alloc_in_range(struct inode *inode, + struct ocfs2_alloc_context *ac, + u32 bits_wanted) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_dinode *alloc; + struct ocfs2_local_alloc *la; + int start; + u64 block_off; + + if (!ac->ac_max_block) + return 1; + + alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; + la = OCFS2_LOCAL_ALLOC(alloc); + + start = ocfs2_local_alloc_find_clear_bits(osb, alloc, bits_wanted); + if (start == -1) { + mlog_errno(-ENOSPC); + return 0; + } + + /* + * Converting (bm_off + start + bits_wanted) to blocks gives us + * the blkno just past our actual allocation. This is perfect + * to compare with ac_max_block. + */ + block_off = ocfs2_clusters_to_blocks(inode->i_sb, + le32_to_cpu(la->la_bm_off) + + start + bits_wanted); + mlog(0, "Checking %llu against %llu\n", + (unsigned long long)block_off, + (unsigned long long)ac->ac_max_block); + if (block_off > ac->ac_max_block) + return 0; + + return 1; +} + /* * make sure we've got at least bits_wanted contiguous bits in the * local alloc. You lose them when you drop i_mutex. @@ -658,6 +698,21 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, goto bail; } + if (ac->ac_max_block) + mlog(0, "Calling in_range for max block %llu\n", + (unsigned long long)ac->ac_max_block); + + if (!ocfs2_local_alloc_in_range(local_alloc_inode, ac, + bits_wanted)) { + /* + * The window is outside ac->ac_max_block. + * This errno tells the caller to keep localalloc enabled + * but to get the allocation from the main bitmap. + */ + status = -EFBIG; + goto bail; + } + ac->ac_inode = local_alloc_inode; /* We should never use localalloc from another slot */ ac->ac_alloc_slot = osb->slot_num; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 8d3947e94a2e..213bdca16fe4 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -62,15 +62,18 @@ static int ocfs2_block_group_fill(handle_t *handle, struct ocfs2_chain_list *cl); static int ocfs2_block_group_alloc(struct ocfs2_super *osb, struct inode *alloc_inode, - struct buffer_head *bh); + struct buffer_head *bh, + u64 max_block); static int ocfs2_cluster_group_search(struct inode *inode, struct buffer_head *group_bh, u32 bits_wanted, u32 min_bits, + u64 max_block, u16 *bit_off, u16 *bits_found); static int ocfs2_block_group_search(struct inode *inode, struct buffer_head *group_bh, u32 bits_wanted, u32 min_bits, + u64 max_block, u16 *bit_off, u16 *bits_found); static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb, struct ocfs2_alloc_context *ac, @@ -110,6 +113,9 @@ static inline void ocfs2_block_to_cluster_group(struct inode *inode, u64 data_blkno, u64 *bg_blkno, u16 *bg_bit_off); +static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb, + u32 bits_wanted, u64 max_block, + struct ocfs2_alloc_context **ac); void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) { @@ -276,7 +282,8 @@ static inline u16 ocfs2_find_smallest_chain(struct ocfs2_chain_list *cl) */ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, struct inode *alloc_inode, - struct buffer_head *bh) + struct buffer_head *bh, + u64 max_block) { int status, credits; struct ocfs2_dinode *fe = (struct ocfs2_dinode *) bh->b_data; @@ -294,9 +301,9 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, mlog_entry_void(); cl = &fe->id2.i_chain; - status = ocfs2_reserve_clusters(osb, - le16_to_cpu(cl->cl_cpg), - &ac); + status = ocfs2_reserve_clusters_with_limit(osb, + le16_to_cpu(cl->cl_cpg), + max_block, &ac); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -469,7 +476,8 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, goto bail; } - status = ocfs2_block_group_alloc(osb, alloc_inode, bh); + status = ocfs2_block_group_alloc(osb, alloc_inode, bh, + ac->ac_max_block); if (status < 0) { if (status != -ENOSPC) mlog_errno(status); @@ -590,6 +598,13 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb, (*ac)->ac_group_search = ocfs2_block_group_search; + /* + * stat(2) can't handle i_ino > 32bits, so we tell the + * lower levels not to allocate us a block group past that + * limit. + */ + (*ac)->ac_max_block = (u32)~0U; + /* * slot is set when we successfully steal inode from other nodes. * It is reset in 3 places: @@ -670,9 +685,9 @@ bail: /* Callers don't need to care which bitmap (local alloc or main) to * use so we figure it out for them, but unfortunately this clutters * things a bit. */ -int ocfs2_reserve_clusters(struct ocfs2_super *osb, - u32 bits_wanted, - struct ocfs2_alloc_context **ac) +static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb, + u32 bits_wanted, u64 max_block, + struct ocfs2_alloc_context **ac) { int status; @@ -686,13 +701,18 @@ int ocfs2_reserve_clusters(struct ocfs2_super *osb, } (*ac)->ac_bits_wanted = bits_wanted; + (*ac)->ac_max_block = max_block; status = -ENOSPC; if (ocfs2_alloc_should_use_local(osb, bits_wanted)) { status = ocfs2_reserve_local_alloc_bits(osb, bits_wanted, *ac); - if ((status < 0) && (status != -ENOSPC)) { + if (status == -EFBIG) { + /* The local alloc window is outside ac_max_block. + * use the main bitmap. */ + status = -ENOSPC; + } else if ((status < 0) && (status != -ENOSPC)) { mlog_errno(status); goto bail; } @@ -718,6 +738,13 @@ bail: return status; } +int ocfs2_reserve_clusters(struct ocfs2_super *osb, + u32 bits_wanted, + struct ocfs2_alloc_context **ac) +{ + return ocfs2_reserve_clusters_with_limit(osb, bits_wanted, 0, ac); +} + /* * More or less lifted from ext3. I'll leave their description below: * @@ -1000,10 +1027,12 @@ static inline int ocfs2_block_group_reasonably_empty(struct ocfs2_group_desc *bg static int ocfs2_cluster_group_search(struct inode *inode, struct buffer_head *group_bh, u32 bits_wanted, u32 min_bits, + u64 max_block, u16 *bit_off, u16 *bits_found) { int search = -ENOSPC; int ret; + u64 blkoff; struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *) group_bh->b_data; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u16 tmp_off, tmp_found; @@ -1038,6 +1067,17 @@ static int ocfs2_cluster_group_search(struct inode *inode, if (ret) return ret; + if (max_block) { + blkoff = ocfs2_clusters_to_blocks(inode->i_sb, + gd_cluster_off + + tmp_off + tmp_found); + mlog(0, "Checking %llu against %llu\n", + (unsigned long long)blkoff, + (unsigned long long)max_block); + if (blkoff > max_block) + return -ENOSPC; + } + /* ocfs2_block_group_find_clear_bits() might * return success, but we still want to return * -ENOSPC unless it found the minimum number @@ -1061,19 +1101,31 @@ static int ocfs2_cluster_group_search(struct inode *inode, static int ocfs2_block_group_search(struct inode *inode, struct buffer_head *group_bh, u32 bits_wanted, u32 min_bits, + u64 max_block, u16 *bit_off, u16 *bits_found) { int ret = -ENOSPC; + u64 blkoff; struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) group_bh->b_data; BUG_ON(min_bits != 1); BUG_ON(ocfs2_is_cluster_bitmap(inode)); - if (bg->bg_free_bits_count) + if (bg->bg_free_bits_count) { ret = ocfs2_block_group_find_clear_bits(OCFS2_SB(inode->i_sb), group_bh, bits_wanted, le16_to_cpu(bg->bg_bits), bit_off, bits_found); + if (!ret && max_block) { + blkoff = le64_to_cpu(bg->bg_blkno) + *bit_off + + *bits_found; + mlog(0, "Checking %llu against %llu\n", + (unsigned long long)blkoff, + (unsigned long long)max_block); + if (blkoff > max_block) + ret = -ENOSPC; + } + } return ret; } @@ -1138,7 +1190,7 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, } ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, - bit_off, &found); + ac->ac_max_block, bit_off, &found); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); @@ -1210,11 +1262,12 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, status = -ENOSPC; /* for now, the chain search is a bit simplistic. We just use * the 1st group with any empty bits. */ - while ((status = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, - min_bits, bit_off, &tmp_bits)) == -ENOSPC) { + while ((status = ac->ac_group_search(alloc_inode, group_bh, + bits_wanted, min_bits, + ac->ac_max_block, bit_off, + &tmp_bits)) == -ENOSPC) { if (!bg->bg_next_group) break; - if (prev_group_bh) { brelse(prev_group_bh); prev_group_bh = NULL; diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index dd0963695edc..4df159d8f450 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -28,10 +28,11 @@ typedef int (group_search_t)(struct inode *, struct buffer_head *, - u32, - u32, - u16 *, - u16 *); + u32, /* bits_wanted */ + u32, /* min_bits */ + u64, /* max_block */ + u16 *, /* *bit_off */ + u16 *); /* *bits_found */ struct ocfs2_alloc_context { struct inode *ac_inode; /* which bitmap are we allocating from? */ @@ -51,6 +52,8 @@ struct ocfs2_alloc_context { group_search_t *ac_group_search; u64 ac_last_group; + u64 ac_max_block; /* Highest block number to allocate. 0 is + is the same as ~0 - unlimited */ }; void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac); -- GitLab From 12462f1d9f0b96389497438dc2730c6f7410be82 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 3 Sep 2008 20:03:40 -0700 Subject: [PATCH 4537/6244] ocfs2: Add the 'inode64' mount option. Now that ocfs2 limits inode numbers to 32bits, add a mount option to disable the limit. This parallels XFS. 64bit systems can handle the larger inode numbers. [ Added description of inode64 mount option in ocfs2.txt. --Mark ] Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- Documentation/filesystems/ocfs2.txt | 4 ++++ fs/ocfs2/ocfs2.h | 1 + fs/ocfs2/suballoc.c | 5 +++-- fs/ocfs2/super.c | 17 +++++++++++++++++ 4 files changed, 25 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt index c318a8bbb1ef..6acf1b4f2466 100644 --- a/Documentation/filesystems/ocfs2.txt +++ b/Documentation/filesystems/ocfs2.txt @@ -76,3 +76,7 @@ localalloc=8(*) Allows custom localalloc size in MB. If the value is too large, the fs will silently revert it to the default. Localalloc is not enabled for local mounts. localflocks This disables cluster aware flock. +inode64 Indicates that Ocfs2 is allowed to create inodes at + any location in the filesystem, including those which + will result in inode numbers occupying more than 32 + bits of significance. diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 6d3c10ddf489..78ae4f87e6b0 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -189,6 +189,7 @@ enum ocfs2_mount_options OCFS2_MOUNT_DATA_WRITEBACK = 1 << 4, /* No data ordering */ OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */ OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */ + OCFS2_MOUNT_INODE64 = 1 << 7, /* Allow inode numbers > 2^32 */ }; #define OCFS2_OSB_SOFT_RO 0x0001 diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 213bdca16fe4..d7a6f928c317 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -601,9 +601,10 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb, /* * stat(2) can't handle i_ino > 32bits, so we tell the * lower levels not to allocate us a block group past that - * limit. + * limit. The 'inode64' mount option avoids this behavior. */ - (*ac)->ac_max_block = (u32)~0U; + if (!(osb->s_mount_opt & OCFS2_MOUNT_INODE64)) + (*ac)->ac_max_block = (u32)~0U; /* * slot is set when we successfully steal inode from other nodes. diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index c85e525950a9..1a51c8c53bef 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -157,6 +157,7 @@ enum { Opt_stack, Opt_user_xattr, Opt_nouser_xattr, + Opt_inode64, Opt_err, }; @@ -178,6 +179,7 @@ static const match_table_t tokens = { {Opt_stack, "cluster_stack=%s"}, {Opt_user_xattr, "user_xattr"}, {Opt_nouser_xattr, "nouser_xattr"}, + {Opt_inode64, "inode64"}, {Opt_err, NULL} }; @@ -411,6 +413,15 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) goto out; } + /* Probably don't want this on remount; it might + * mess with other nodes */ + if (!(osb->s_mount_opt & OCFS2_MOUNT_INODE64) && + (parsed_options.mount_opt & OCFS2_MOUNT_INODE64)) { + ret = -EINVAL; + mlog(ML_ERROR, "Cannot enable inode64 on remount\n"); + goto out; + } + /* We're going to/from readonly mode. */ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) { /* Lock here so the check of HARD_RO and the potential @@ -930,6 +941,9 @@ static int ocfs2_parse_options(struct super_block *sb, OCFS2_STACK_LABEL_LEN); mopt->cluster_stack[OCFS2_STACK_LABEL_LEN] = '\0'; break; + case Opt_inode64: + mopt->mount_opt |= OCFS2_MOUNT_INODE64; + break; default: mlog(ML_ERROR, "Unrecognized mount option \"%s\" " @@ -994,6 +1008,9 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN, osb->osb_cluster_stack); + if (opts & OCFS2_MOUNT_INODE64) + seq_printf(s, ",inode64"); + return 0; } -- GitLab From 2b4e30fbde425828b17f0e9c8f8e3fd3ecb2bc75 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 3 Sep 2008 20:03:41 -0700 Subject: [PATCH 4538/6244] ocfs2: Switch over to JBD2. ocfs2 wants JBD2 for many reasons, not the least of which is that JBD is limiting our maximum filesystem size. It's a pretty trivial change. Most functions are just renamed. The only functional change is moving to Jan's inode-based ordered data mode. It's better, too. Because JBD2 reads and writes JBD journals, this is compatible with any existing filesystem. It can even interact with JBD-based ocfs2 as long as the journal is formated for JBD. We provide a compatibility option so that paranoid people can still use JBD for the time being. This will go away shortly. [ Moved call of ocfs2_begin_ordered_truncate() from ocfs2_delete_inode() to ocfs2_truncate_for_delete(). --Mark ] Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/Kconfig | 34 +++++++++------ fs/ocfs2/alloc.c | 28 +++++-------- fs/ocfs2/aops.c | 21 +++++++--- fs/ocfs2/file.c | 14 +++++-- fs/ocfs2/inode.c | 5 +++ fs/ocfs2/inode.h | 1 + fs/ocfs2/journal.c | 72 +++++++++++++++++--------------- fs/ocfs2/journal.h | 25 +++++++++-- fs/ocfs2/ocfs2.h | 7 +++- fs/ocfs2/ocfs2_jbd_compat.h | 82 +++++++++++++++++++++++++++++++++++++ fs/ocfs2/super.c | 10 +++-- fs/ocfs2/uptodate.c | 6 ++- 12 files changed, 224 insertions(+), 81 deletions(-) create mode 100644 fs/ocfs2/ocfs2_jbd_compat.h diff --git a/fs/Kconfig b/fs/Kconfig index f54a157a0296..4be00d812576 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -220,17 +220,16 @@ config JBD tristate help This is a generic journalling layer for block devices. It is - currently used by the ext3 and OCFS2 file systems, but it could - also be used to add journal support to other file systems or block + currently used by the ext3 file system, but it could also be + used to add journal support to other file systems or block devices such as RAID or LVM. - If you are using the ext3 or OCFS2 file systems, you need to - say Y here. If you are not using ext3 OCFS2 then you will probably - want to say N. + If you are using the ext3 file system, you need to say Y here. + If you are not using ext3 then you will probably want to say N. To compile this device as a module, choose M here: the module will be - called jbd. If you are compiling ext3 or OCFS2 into the kernel, - you cannot compile this code as a module. + called jbd. If you are compiling ext3 into the kernel, you + cannot compile this code as a module. config JBD_DEBUG bool "JBD (ext3) debugging support" @@ -254,15 +253,16 @@ config JBD2 help This is a generic journaling layer for block devices that support both 32-bit and 64-bit block numbers. It is currently used by - the ext4 filesystem, but it could also be used to add + the ext4 and OCFS2 filesystems, but it could also be used to add journal support to other file systems or block devices such as RAID or LVM. - If you are using ext4, you need to say Y here. If you are not - using ext4 then you will probably want to say N. + If you are using ext4 or OCFS2, you need to say Y here. + If you are not using ext4 or OCFS2 then you will + probably want to say N. To compile this device as a module, choose M here. The module will be - called jbd2. If you are compiling ext4 into the kernel, + called jbd2. If you are compiling ext4 or OCFS2 into the kernel, you cannot compile this code as a module. config JBD2_DEBUG @@ -440,7 +440,7 @@ config OCFS2_FS tristate "OCFS2 file system support" depends on NET && SYSFS select CONFIGFS_FS - select JBD + select JBD2 select CRC32 help OCFS2 is a general purpose extent based shared disk cluster file @@ -511,6 +511,16 @@ config OCFS2_DEBUG_FS this option for debugging only as it is likely to decrease performance of the filesystem. +config OCFS2_COMPAT_JBD + bool "Use JBD for compatibility" + depends on OCFS2_FS + default n + select JBD + help + The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 + is backwards compatible with JBD. It is safe to say N here. + However, if you really want to use the original JBD, say Y here. + endif # BLOCK config DNOTIFY diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 47201b67dbf2..ebfe36ab2d5e 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -6421,20 +6421,13 @@ bail: return status; } -static int ocfs2_writeback_zero_func(handle_t *handle, struct buffer_head *bh) +static int ocfs2_zero_func(handle_t *handle, struct buffer_head *bh) { set_buffer_uptodate(bh); mark_buffer_dirty(bh); return 0; } -static int ocfs2_ordered_zero_func(handle_t *handle, struct buffer_head *bh) -{ - set_buffer_uptodate(bh); - mark_buffer_dirty(bh); - return ocfs2_journal_dirty_data(handle, bh); -} - static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle, unsigned int from, unsigned int to, struct page *page, int zero, u64 *phys) @@ -6453,17 +6446,18 @@ static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle, * here if they aren't - ocfs2_map_page_blocks() * might've skipped some */ - if (ocfs2_should_order_data(inode)) { - ret = walk_page_buffers(handle, - page_buffers(page), - from, to, &partial, - ocfs2_ordered_zero_func); - if (ret < 0) - mlog_errno(ret); - } else { + ret = walk_page_buffers(handle, page_buffers(page), + from, to, &partial, + ocfs2_zero_func); + if (ret < 0) + mlog_errno(ret); + else if (ocfs2_should_order_data(inode)) { + ret = ocfs2_jbd2_file_inode(handle, inode); +#ifdef CONFIG_OCFS2_COMPAT_JBD ret = walk_page_buffers(handle, page_buffers(page), from, to, &partial, - ocfs2_writeback_zero_func); + ocfs2_journal_dirty_data); +#endif if (ret < 0) mlog_errno(ret); } diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 259775eedb85..de179054a74b 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -485,11 +485,14 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode, } if (ocfs2_should_order_data(inode)) { + ret = ocfs2_jbd2_file_inode(handle, inode); +#ifdef CONFIG_OCFS2_COMPAT_JBD ret = walk_page_buffers(handle, page_buffers(page), from, to, NULL, ocfs2_journal_dirty_data); - if (ret < 0) +#endif + if (ret < 0) mlog_errno(ret); } out: @@ -669,7 +672,7 @@ static void ocfs2_invalidatepage(struct page *page, unsigned long offset) { journal_t *journal = OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal; - journal_invalidatepage(journal, page, offset); + jbd2_journal_invalidatepage(journal, page, offset); } static int ocfs2_releasepage(struct page *page, gfp_t wait) @@ -678,7 +681,7 @@ static int ocfs2_releasepage(struct page *page, gfp_t wait) if (!page_has_buffers(page)) return 0; - return journal_try_to_free_buffers(journal, page, wait); + return jbd2_journal_try_to_free_buffers(journal, page, wait); } static ssize_t ocfs2_direct_IO(int rw, @@ -1074,11 +1077,15 @@ static void ocfs2_write_failure(struct inode *inode, tmppage = wc->w_pages[i]; if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) + if (ocfs2_should_order_data(inode)) { + ocfs2_jbd2_file_inode(wc->w_handle, inode); +#ifdef CONFIG_OCFS2_COMPAT_JBD walk_page_buffers(wc->w_handle, page_buffers(tmppage), from, to, NULL, ocfs2_journal_dirty_data); +#endif + } block_commit_write(tmppage, from, to); } @@ -1917,11 +1924,15 @@ int ocfs2_write_end_nolock(struct address_space *mapping, } if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) + if (ocfs2_should_order_data(inode)) { + ocfs2_jbd2_file_inode(wc->w_handle, inode); +#ifdef CONFIG_OCFS2_COMPAT_JBD walk_page_buffers(wc->w_handle, page_buffers(tmppage), from, to, NULL, ocfs2_journal_dirty_data); +#endif + } block_commit_write(tmppage, from, to); } } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 441c6a94059d..c95318bc00cb 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -185,7 +185,7 @@ static int ocfs2_sync_file(struct file *file, goto bail; journal = osb->journal->j_journal; - err = journal_force_commit(journal); + err = jbd2_journal_force_commit(journal); bail: mlog_exit(err); @@ -941,9 +941,15 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) goto bail_unlock; } - if (i_size_read(inode) > attr->ia_size) + if (i_size_read(inode) > attr->ia_size) { + if (ocfs2_should_order_data(inode)) { + status = ocfs2_begin_ordered_truncate(inode, + attr->ia_size); + if (status) + goto bail_unlock; + } status = ocfs2_truncate_file(inode, bh, attr->ia_size); - else + } else status = ocfs2_extend_file(inode, bh, attr->ia_size); if (status < 0) { if (status != -ENOSPC) @@ -1888,7 +1894,7 @@ out_dio: */ if (old_size != i_size_read(inode) || old_clusters != OCFS2_I(inode)->ip_clusters) { - ret = journal_force_commit(osb->journal->j_journal); + ret = jbd2_journal_force_commit(osb->journal->j_journal); if (ret < 0) written = ret; } diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 4738dd25bb94..9d92c859ac94 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -534,6 +534,9 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb, * data and fast symlinks. */ if (fe->i_clusters) { + if (ocfs2_should_order_data(inode)) + ocfs2_begin_ordered_truncate(inode, 0); + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); if (IS_ERR(handle)) { status = PTR_ERR(handle); @@ -1100,6 +1103,8 @@ void ocfs2_clear_inode(struct inode *inode) oi->ip_last_trans = 0; oi->ip_dir_start_lookup = 0; oi->ip_blkno = 0ULL; + jbd2_journal_release_jbd_inode(OCFS2_SB(inode->i_sb)->journal->j_journal, + &oi->ip_jinode); bail: mlog_exit_void(); diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index 499bc62e758b..f66e4340f178 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -71,6 +71,7 @@ struct ocfs2_inode_info struct ocfs2_extent_map ip_extent_map; struct inode vfs_inode; + struct jbd2_inode ip_jinode; }; /* diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index c47bc2a809c2..373d94366a4c 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -215,9 +215,9 @@ static int ocfs2_commit_cache(struct ocfs2_super *osb) goto finally; } - journal_lock_updates(journal->j_journal); - status = journal_flush(journal->j_journal); - journal_unlock_updates(journal->j_journal); + jbd2_journal_lock_updates(journal->j_journal); + status = jbd2_journal_flush(journal->j_journal); + jbd2_journal_unlock_updates(journal->j_journal); if (status < 0) { up_write(&journal->j_trans_barrier); mlog_errno(status); @@ -264,7 +264,7 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) down_read(&osb->journal->j_trans_barrier); - handle = journal_start(journal, max_buffs); + handle = jbd2_journal_start(journal, max_buffs); if (IS_ERR(handle)) { up_read(&osb->journal->j_trans_barrier); @@ -290,7 +290,7 @@ int ocfs2_commit_trans(struct ocfs2_super *osb, BUG_ON(!handle); - ret = journal_stop(handle); + ret = jbd2_journal_stop(handle); if (ret < 0) mlog_errno(ret); @@ -304,7 +304,7 @@ int ocfs2_commit_trans(struct ocfs2_super *osb, * transaction. extend_trans will either extend the current handle by * nblocks, or commit it and start a new one with nblocks credits. * - * This might call journal_restart() which will commit dirty buffers + * This might call jbd2_journal_restart() which will commit dirty buffers * and then restart the transaction. Before calling * ocfs2_extend_trans(), any changed blocks should have been * dirtied. After calling it, all blocks which need to be changed must @@ -332,7 +332,7 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks) #ifdef CONFIG_OCFS2_DEBUG_FS status = 1; #else - status = journal_extend(handle, nblocks); + status = jbd2_journal_extend(handle, nblocks); if (status < 0) { mlog_errno(status); goto bail; @@ -340,8 +340,10 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks) #endif if (status > 0) { - mlog(0, "journal_extend failed, trying journal_restart\n"); - status = journal_restart(handle, nblocks); + mlog(0, + "jbd2_journal_extend failed, trying " + "jbd2_journal_restart\n"); + status = jbd2_journal_restart(handle, nblocks); if (status < 0) { mlog_errno(status); goto bail; @@ -393,11 +395,11 @@ int ocfs2_journal_access(handle_t *handle, switch (type) { case OCFS2_JOURNAL_ACCESS_CREATE: case OCFS2_JOURNAL_ACCESS_WRITE: - status = journal_get_write_access(handle, bh); + status = jbd2_journal_get_write_access(handle, bh); break; case OCFS2_JOURNAL_ACCESS_UNDO: - status = journal_get_undo_access(handle, bh); + status = jbd2_journal_get_undo_access(handle, bh); break; default: @@ -422,7 +424,7 @@ int ocfs2_journal_dirty(handle_t *handle, mlog_entry("(bh->b_blocknr=%llu)\n", (unsigned long long)bh->b_blocknr); - status = journal_dirty_metadata(handle, bh); + status = jbd2_journal_dirty_metadata(handle, bh); if (status < 0) mlog(ML_ERROR, "Could not dirty metadata buffer. " "(bh->b_blocknr=%llu)\n", @@ -432,6 +434,7 @@ int ocfs2_journal_dirty(handle_t *handle, return status; } +#ifdef CONFIG_OCFS2_COMPAT_JBD int ocfs2_journal_dirty_data(handle_t *handle, struct buffer_head *bh) { @@ -443,8 +446,9 @@ int ocfs2_journal_dirty_data(handle_t *handle, return err; } +#endif -#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD_DEFAULT_MAX_COMMIT_AGE) +#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE) void ocfs2_set_journal_params(struct ocfs2_super *osb) { @@ -457,9 +461,9 @@ void ocfs2_set_journal_params(struct ocfs2_super *osb) spin_lock(&journal->j_state_lock); journal->j_commit_interval = commit_interval; if (osb->s_mount_opt & OCFS2_MOUNT_BARRIER) - journal->j_flags |= JFS_BARRIER; + journal->j_flags |= JBD2_BARRIER; else - journal->j_flags &= ~JFS_BARRIER; + journal->j_flags &= ~JBD2_BARRIER; spin_unlock(&journal->j_state_lock); } @@ -524,14 +528,14 @@ int ocfs2_journal_init(struct ocfs2_journal *journal, int *dirty) mlog(0, "inode->ip_clusters = %u\n", OCFS2_I(inode)->ip_clusters); /* call the kernels journal init function now */ - j_journal = journal_init_inode(inode); + j_journal = jbd2_journal_init_inode(inode); if (j_journal == NULL) { mlog(ML_ERROR, "Linux journal layer error\n"); status = -EINVAL; goto done; } - mlog(0, "Returned from journal_init_inode\n"); + mlog(0, "Returned from jbd2_journal_init_inode\n"); mlog(0, "j_journal->j_maxlen = %u\n", j_journal->j_maxlen); *dirty = (le32_to_cpu(di->id1.journal1.ij_flags) & @@ -639,7 +643,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) if (journal->j_state != OCFS2_JOURNAL_LOADED) goto done; - /* need to inc inode use count as journal_destroy will iput. */ + /* need to inc inode use count - jbd2_journal_destroy will iput. */ if (!igrab(inode)) BUG(); @@ -668,9 +672,9 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0); if (ocfs2_mount_local(osb)) { - journal_lock_updates(journal->j_journal); - status = journal_flush(journal->j_journal); - journal_unlock_updates(journal->j_journal); + jbd2_journal_lock_updates(journal->j_journal); + status = jbd2_journal_flush(journal->j_journal); + jbd2_journal_unlock_updates(journal->j_journal); if (status < 0) mlog_errno(status); } @@ -686,7 +690,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) } /* Shutdown the kernel journal system */ - journal_destroy(journal->j_journal); + jbd2_journal_destroy(journal->j_journal); OCFS2_I(inode)->ip_open_count--; @@ -711,15 +715,15 @@ static void ocfs2_clear_journal_error(struct super_block *sb, { int olderr; - olderr = journal_errno(journal); + olderr = jbd2_journal_errno(journal); if (olderr) { mlog(ML_ERROR, "File system error %d recorded in " "journal %u.\n", olderr, slot); mlog(ML_ERROR, "File system on device %s needs checking.\n", sb->s_id); - journal_ack_err(journal); - journal_clear_err(journal); + jbd2_journal_ack_err(journal); + jbd2_journal_clear_err(journal); } } @@ -734,7 +738,7 @@ int ocfs2_journal_load(struct ocfs2_journal *journal, int local, int replayed) osb = journal->j_osb; - status = journal_load(journal->j_journal); + status = jbd2_journal_load(journal->j_journal); if (status < 0) { mlog(ML_ERROR, "Failed to load journal!\n"); goto done; @@ -778,7 +782,7 @@ int ocfs2_journal_wipe(struct ocfs2_journal *journal, int full) BUG_ON(!journal); - status = journal_wipe(journal->j_journal, full); + status = jbd2_journal_wipe(journal->j_journal, full); if (status < 0) { mlog_errno(status); goto bail; @@ -1229,19 +1233,19 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb, } mlog(0, "calling journal_init_inode\n"); - journal = journal_init_inode(inode); + journal = jbd2_journal_init_inode(inode); if (journal == NULL) { mlog(ML_ERROR, "Linux journal layer error\n"); status = -EIO; goto done; } - status = journal_load(journal); + status = jbd2_journal_load(journal); if (status < 0) { mlog_errno(status); if (!igrab(inode)) BUG(); - journal_destroy(journal); + jbd2_journal_destroy(journal); goto done; } @@ -1249,9 +1253,9 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb, /* wipe the journal */ mlog(0, "flushing the journal.\n"); - journal_lock_updates(journal); - status = journal_flush(journal); - journal_unlock_updates(journal); + jbd2_journal_lock_updates(journal); + status = jbd2_journal_flush(journal); + jbd2_journal_unlock_updates(journal); if (status < 0) mlog_errno(status); @@ -1272,7 +1276,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb, if (!igrab(inode)) BUG(); - journal_destroy(journal); + jbd2_journal_destroy(journal); done: /* drop the lock on this nodes journal */ diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 08d1add14872..d4d14e9a3cea 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -27,7 +27,12 @@ #define OCFS2_JOURNAL_H #include -#include +#ifndef CONFIG_OCFS2_COMPAT_JBD +# include +#else +# include +# include "ocfs2_jbd_compat.h" +#endif enum ocfs2_journal_state { OCFS2_JOURNAL_FREE = 0, @@ -215,8 +220,8 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode) * buffer. Will have to call ocfs2_journal_dirty once * we've actually dirtied it. Type is one of . or . * ocfs2_journal_dirty - Mark a journalled buffer as having dirty data. - * ocfs2_journal_dirty_data - Indicate that a data buffer should go out before - * the current handle commits. + * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before + * the current handle commits. */ /* You must always start_trans with a number of buffs > 0, but it's @@ -268,8 +273,10 @@ int ocfs2_journal_access(handle_t *handle, */ int ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh); +#ifdef CONFIG_OCFS2_COMPAT_JBD int ocfs2_journal_dirty_data(handle_t *handle, struct buffer_head *bh); +#endif /* * Credit Macros: @@ -430,4 +437,16 @@ static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb, return credits; } +static inline int ocfs2_jbd2_file_inode(handle_t *handle, struct inode *inode) +{ + return jbd2_journal_file_inode(handle, &OCFS2_I(inode)->ip_jinode); +} + +static inline int ocfs2_begin_ordered_truncate(struct inode *inode, + loff_t new_size) +{ + return jbd2_journal_begin_ordered_truncate(&OCFS2_I(inode)->ip_jinode, + new_size); +} + #endif /* OCFS2_JOURNAL_H */ diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 78ae4f87e6b0..a21a465490c4 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -34,7 +34,12 @@ #include #include #include -#include +#ifndef CONFIG_OCFS2_COMPAT_JBD +# include +#else +# include +# include "ocfs2_jbd_compat.h" +#endif /* For union ocfs2_dlm_lksb */ #include "stackglue.h" diff --git a/fs/ocfs2/ocfs2_jbd_compat.h b/fs/ocfs2/ocfs2_jbd_compat.h new file mode 100644 index 000000000000..b91c78f8f558 --- /dev/null +++ b/fs/ocfs2/ocfs2_jbd_compat.h @@ -0,0 +1,82 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * ocfs2_jbd_compat.h + * + * Compatibility defines for JBD. + * + * Copyright (C) 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef OCFS2_JBD_COMPAT_H +#define OCFS2_JBD_COMPAT_H + +#ifndef CONFIG_OCFS2_COMPAT_JBD +# error Should not have been included +#endif + +struct jbd2_inode { + unsigned int dummy; +}; + +#define JBD2_BARRIER JFS_BARRIER +#define JBD2_DEFAULT_MAX_COMMIT_AGE JBD_DEFAULT_MAX_COMMIT_AGE + +#define jbd2_journal_ack_err journal_ack_err +#define jbd2_journal_clear_err journal_clear_err +#define jbd2_journal_destroy journal_destroy +#define jbd2_journal_dirty_metadata journal_dirty_metadata +#define jbd2_journal_errno journal_errno +#define jbd2_journal_extend journal_extend +#define jbd2_journal_flush journal_flush +#define jbd2_journal_force_commit journal_force_commit +#define jbd2_journal_get_write_access journal_get_write_access +#define jbd2_journal_get_undo_access journal_get_undo_access +#define jbd2_journal_init_inode journal_init_inode +#define jbd2_journal_invalidatepage journal_invalidatepage +#define jbd2_journal_load journal_load +#define jbd2_journal_lock_updates journal_lock_updates +#define jbd2_journal_restart journal_restart +#define jbd2_journal_start journal_start +#define jbd2_journal_start_commit journal_start_commit +#define jbd2_journal_stop journal_stop +#define jbd2_journal_try_to_free_buffers journal_try_to_free_buffers +#define jbd2_journal_unlock_updates journal_unlock_updates +#define jbd2_journal_wipe journal_wipe +#define jbd2_log_wait_commit log_wait_commit + +static inline int jbd2_journal_file_inode(handle_t *handle, + struct jbd2_inode *inode) +{ + return 0; +} + +static inline int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, + loff_t new_size) +{ + return 0; +} + +static inline void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, + struct inode *inode) +{ + return; +} + +static inline void jbd2_journal_release_jbd_inode(journal_t *journal, + struct jbd2_inode *jinode) +{ + return; +} + + +#endif /* OCFS2_JBD_COMPAT_H */ diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 1a51c8c53bef..8b4c5c67dcd4 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -212,10 +212,11 @@ static int ocfs2_sync_fs(struct super_block *sb, int wait) ocfs2_schedule_truncate_log_flush(osb, 0); } - if (journal_start_commit(OCFS2_SB(sb)->journal->j_journal, &target)) { + if (jbd2_journal_start_commit(OCFS2_SB(sb)->journal->j_journal, + &target)) { if (wait) - log_wait_commit(OCFS2_SB(sb)->journal->j_journal, - target); + jbd2_log_wait_commit(OCFS2_SB(sb)->journal->j_journal, + target); } return 0; } @@ -332,6 +333,7 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb) if (!oi) return NULL; + jbd2_journal_init_jbd_inode(&oi->ip_jinode, &oi->vfs_inode); return &oi->vfs_inode; } @@ -896,7 +898,7 @@ static int ocfs2_parse_options(struct super_block *sb, if (option < 0) return 0; if (option == 0) - option = JBD_DEFAULT_MAX_COMMIT_AGE; + option = JBD2_DEFAULT_MAX_COMMIT_AGE; mopt->commit_interval = HZ * option; break; case Opt_localalloc: diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index e26459e7d554..523514020891 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -53,7 +53,11 @@ #include #include #include -#include +#ifndef CONFIG_OCFS2_COMPAT_JBD +# include +#else +# include +#endif #define MLOG_MASK_PREFIX ML_UPTODATE -- GitLab From b0f73cfc36ed62decdd3f78e943bbfd00ee80e49 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Fri, 5 Sep 2008 11:29:14 -0700 Subject: [PATCH 4539/6244] ocfs2: Add xattr mount option in ocfs2_show_options() Patch adds check for [no]user_xattr in ocfs2_show_options() that completes the list of all mount options. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh --- fs/ocfs2/super.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 8b4c5c67dcd4..d2027cec8f3b 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1010,6 +1010,11 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN, osb->osb_cluster_stack); + if (opts & OCFS2_MOUNT_NOUSERXATTR) + seq_printf(s, ",nouser_xattr"); + else + seq_printf(s, ",user_xattr"); + if (opts & OCFS2_MOUNT_INODE64) seq_printf(s, ",inode64"); -- GitLab From 06b240d8af21ddee4cfec3b0f02b81d9f168a98a Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 19 Sep 2008 22:16:34 +0800 Subject: [PATCH 4540/6244] ocfs2/xattr.c: Fix a bug when inserting xattr. During the process of xatt insertion, we use binary search to find the right place and "low" is set to it. But when there is one xattr which has the same name hash as the inserted one, low is the wrong value. So set it to the right position. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index b2e25a828e38..b1f2a164e7dc 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4003,8 +4003,10 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, else if (name_hash < le32_to_cpu(tmp_xe->xe_name_hash)) high = tmp - 1; - else + else { + low = tmp; break; + } } xe = &xh->xh_entries[low]; -- GitLab From 5a09561199e7f8d3feaaa01c39372050e140b775 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 19 Sep 2008 22:17:41 +0800 Subject: [PATCH 4541/6244] ocfs2: Add empty bucket support in xattr. As Mark mentioned, it may be time-consuming when we remove the empty xattr bucket, so this patch try to let empty bucket exist in xattr operation. The modification includes: 1. Remove the functin of bucket and extent record deletion during xattr delete. 2. In xattr set: 1) Don't clean the last entry so that if the bucket is empty, the hash value of the bucket is the hash value of the entry which is deleted last. 2) During insert, if we meet with an empty bucket, just use the 1st entry. 3. In binary search of xattr bucket, use the bucket hash value(which stored in the 1st xattr entry) to find the right place. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 197 +++++++++++------------------------------------ 1 file changed, 43 insertions(+), 154 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index b1f2a164e7dc..64700c3fc244 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2301,9 +2301,12 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, /* * Check whether the hash of the last entry in our - * bucket is larger than the search one. + * bucket is larger than the search one. for an empty + * bucket, the last one is also the first one. */ - xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1]; + if (xh->xh_count) + xe = &xh->xh_entries[le16_to_cpu(xh->xh_count) - 1]; + last_hash = le32_to_cpu(xe->xe_name_hash); /* record lower_bh which may be the insert place. */ @@ -2450,7 +2453,8 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, if (i == 0) num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets); - mlog(0, "iterating xattr bucket %llu\n", blkno); + mlog(0, "iterating xattr bucket %llu, first hash %u\n", blkno, + le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash)); if (func) { ret = func(inode, &bucket, para); if (ret) { @@ -3915,8 +3919,6 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode, /* * Handle the normal xattr set, including replace, delete and new. - * When the bucket is empty, "is_empty" is set and the caller can - * free this bucket. * * Note: "local" indicates the real data's locality. So we can't * just its bucket locality by its length. @@ -3925,8 +3927,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, u32 name_hash, - int local, - int *is_empty) + int local) { struct ocfs2_xattr_entry *last, *xe; int name_len = strlen(xi->name); @@ -3979,14 +3980,23 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, ocfs2_xattr_set_local(xe, local); return; } else { - /* Remove the old entry. */ + /* + * Remove the old entry if there is more than one. + * We don't remove the last entry so that we can + * use it to indicate the hash value of the empty + * bucket. + */ last -= 1; - memmove(xe, xe + 1, - (void *)last - (void *)xe); - memset(last, 0, sizeof(struct ocfs2_xattr_entry)); le16_add_cpu(&xh->xh_count, -1); - if (xh->xh_count == 0 && is_empty) - *is_empty = 1; + if (xh->xh_count) { + memmove(xe, xe + 1, + (void *)last - (void *)xe); + memset(last, 0, + sizeof(struct ocfs2_xattr_entry)); + } else + xh->xh_free_start = + cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE); + return; } } else { @@ -3994,7 +4004,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, int low = 0, high = count - 1, tmp; struct ocfs2_xattr_entry *tmp_xe; - while (low <= high) { + while (low <= high && count) { tmp = (low + high) / 2; tmp_xe = &xh->xh_entries[tmp]; @@ -4090,8 +4100,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, u32 name_hash, - int local, - int *bucket_empty) + int local) { int i, ret; handle_t *handle = NULL; @@ -4130,8 +4139,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, } } - ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, - local, bucket_empty); + ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local); /*Only dirty the blocks we have touched in set xattr. */ ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs, @@ -4280,69 +4288,6 @@ static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len); } -/* - * Remove the xattr bucket pointed by bucket_bh. - * All the buckets after it in the same xattr extent rec will be - * move forward one by one. - */ -static int ocfs2_rm_xattr_bucket(struct inode *inode, - struct buffer_head *first_bh, - struct ocfs2_xattr_bucket *bucket) -{ - int ret = 0, credits; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)first_bh->b_data; - u16 bucket_num = le16_to_cpu(xh->xh_num_buckets); - u64 end, start = bucket->bhs[0]->b_blocknr; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - handle_t *handle; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - - end = first_bh->b_blocknr + (bucket_num - 1) * blk_per_bucket; - - mlog(0, "rm xattr bucket %llu\n", start); - /* - * We need to update the first xattr_header and all the buckets starting - * from start in this xattr rec. - * - * XXX: Should we empty the old last bucket here? - */ - credits = 1 + end - start; - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - return ret; - } - - ret = ocfs2_journal_access(handle, inode, first_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - - while (start < end) { - ret = ocfs2_cp_xattr_bucket(inode, handle, - start + blk_per_bucket, - start, 0); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - start += blk_per_bucket; - } - - /* update the first_bh. */ - xh->xh_num_buckets = cpu_to_le16(bucket_num - 1); - ocfs2_journal_dirty(handle, first_bh); - -out_commit: - ocfs2_commit_trans(osb, handle); - return ret; -} - static int ocfs2_rm_xattr_cluster(struct inode *inode, struct buffer_head *root_bh, u64 blkno, @@ -4432,57 +4377,6 @@ out: return ret; } -/* - * Free the xattr bucket indicated by xs->bucket and if all the buckets - * in the clusters is free, free the clusters also. - */ -static int ocfs2_xattr_bucket_shrink(struct inode *inode, - struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs, - u32 name_hash) -{ - int ret; - u32 e_cpos, num_clusters; - u64 p_blkno; - struct buffer_head *first_bh = NULL; - struct ocfs2_xattr_header *first_xh; - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; - - BUG_ON(xs->header->xh_count != 0); - - ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, - &e_cpos, &num_clusters, - &xb->xb_attrs.xb_root.xt_list); - if (ret) { - mlog_errno(ret); - return ret; - } - - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, - &first_bh, OCFS2_BH_CACHED, inode); - if (ret) { - mlog_errno(ret); - return ret; - } - - ret = ocfs2_rm_xattr_bucket(inode, first_bh, &xs->bucket); - if (ret) { - mlog_errno(ret); - goto out; - } - - first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; - if (first_xh->xh_num_buckets == 0) - ret = ocfs2_rm_xattr_cluster(inode, xs->xattr_bh, - p_blkno, e_cpos, - num_clusters); - -out: - brelse(first_bh); - return ret; -} - static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, struct ocfs2_xattr_search *xs) { @@ -4534,7 +4428,7 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs) { - int ret, local = 1, bucket_empty = 0; + int ret, local = 1; size_t value_len; char *val = (char *)xi->value; struct ocfs2_xattr_entry *xe = xs->here; @@ -4580,34 +4474,29 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, xi->value_len = OCFS2_XATTR_ROOT_SIZE; } - ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, - local, &bucket_empty); + ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local); if (ret) { mlog_errno(ret); goto out; } - if (value_len > OCFS2_XATTR_INLINE_SIZE) { - /* allocate the space now for the outside block storage. */ - ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, - value_len); - if (ret) { - mlog_errno(ret); + if (value_len <= OCFS2_XATTR_INLINE_SIZE) + goto out; - if (xs->not_found) { - /* - * We can't allocate enough clusters for outside - * storage and we have allocated xattr already, - * so need to remove it. - */ - ocfs2_xattr_bucket_remove_xs(inode, xs); - } - goto out; + /* allocate the space now for the outside block storage. */ + ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, + value_len); + if (ret) { + mlog_errno(ret); + + if (xs->not_found) { + /* + * We can't allocate enough clusters for outside + * storage and we have allocated xattr already, + * so need to remove it. + */ + ocfs2_xattr_bucket_remove_xs(inode, xs); } - } else { - if (bucket_empty) - ret = ocfs2_xattr_bucket_shrink(inode, xi, - xs, name_hash); goto out; } -- GitLab From 009d37502a7b9fc89741e66b4454afca4edc1c26 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 6 Oct 2008 16:16:08 -0700 Subject: [PATCH 4542/6244] ocfs2: Remove pointless !! ocfs2_stack_supports_plocks() doesn't need this to properly return a zero or one value. Signed-off-by: Mark Fasheh --- fs/ocfs2/stackglue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c index 7150f5dce957..68b668b0e60a 100644 --- a/fs/ocfs2/stackglue.c +++ b/fs/ocfs2/stackglue.c @@ -290,7 +290,7 @@ EXPORT_SYMBOL_GPL(ocfs2_dlm_dump_lksb); int ocfs2_stack_supports_plocks(void) { - return !!(active_stack && active_stack->sp_ops->plock); + return active_stack && active_stack->sp_ops->plock; } EXPORT_SYMBOL_GPL(ocfs2_stack_supports_plocks); -- GitLab From 4cc8124584610fbe087ea2bed29ca52d2d0aa84a Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 11:02:04 -0700 Subject: [PATCH 4543/6244] ocfs2: make la_debug_mutex static It can also be moved into ocfs2_la_debug_read(). Signed-off-by: Mark Fasheh --- fs/ocfs2/localalloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 02227c392510..b1c634d676a0 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -76,8 +76,6 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, #ifdef CONFIG_OCFS2_FS_STATS -DEFINE_MUTEX(la_debug_mutex); - static int ocfs2_la_debug_open(struct inode *inode, struct file *file) { file->private_data = inode->i_private; @@ -89,6 +87,7 @@ static int ocfs2_la_debug_open(struct inode *inode, struct file *file) static ssize_t ocfs2_la_debug_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { + static DEFINE_MUTEX(la_debug_mutex); struct ocfs2_super *osb = file->private_data; int written, ret; char *buf = osb->local_alloc_debug_buf; -- GitLab From 696b55d768ea5ebf38a369da615f8c956750ab3f Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 11:09:24 -0700 Subject: [PATCH 4544/6244] ocfs2: Documentation update for user_xattr / nouser_xattr mount options Signed-off-by: Mark Fasheh --- Documentation/filesystems/ocfs2.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt index 6acf1b4f2466..4340cc825796 100644 --- a/Documentation/filesystems/ocfs2.txt +++ b/Documentation/filesystems/ocfs2.txt @@ -80,3 +80,5 @@ inode64 Indicates that Ocfs2 is allowed to create inodes at any location in the filesystem, including those which will result in inode numbers occupying more than 32 bits of significance. +user_xattr (*) Enables Extended User Attributes. +nouser_xattr Disables Extended User Attributes. -- GitLab From fd8351f83d413b41da956109cf429c15881886e2 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 12:50:46 -0700 Subject: [PATCH 4545/6244] ocfs2: use smaller counters in ocfs2_remove_xattr_clusters_from_cache i and b_len don't really need to be u64's. Xattr extent lengths should be limited by the VFS, and then the size of our on-disk length field. Signed-off-by: Mark Fasheh --- fs/ocfs2/uptodate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/uptodate.c b/fs/ocfs2/uptodate.c index 523514020891..187b99ff0368 100644 --- a/fs/ocfs2/uptodate.c +++ b/fs/ocfs2/uptodate.c @@ -562,7 +562,7 @@ void ocfs2_remove_xattr_clusters_from_cache(struct inode *inode, sector_t block, u32 c_len) { - u64 i, b_len = ocfs2_clusters_to_blocks(inode->i_sb, 1) * c_len; + unsigned int i, b_len = ocfs2_clusters_to_blocks(inode->i_sb, 1) * c_len; for (i = 0; i < b_len; i++, block++) ocfs2_remove_block_from_cache(inode, block); -- GitLab From a81cb88b64a479b78c6dd5666678d50171865db8 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 14:25:16 -0700 Subject: [PATCH 4546/6244] ocfs2: Don't check for NULL before brelse() This is pointless as brelse() already does the check. Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 33 ++++++----------- fs/ocfs2/aops.c | 3 +- fs/ocfs2/dir.c | 24 +++++-------- fs/ocfs2/file.c | 9 ++--- fs/ocfs2/inode.c | 7 ++-- fs/ocfs2/ioctl.c | 3 +- fs/ocfs2/journal.c | 9 ++--- fs/ocfs2/localalloc.c | 15 +++----- fs/ocfs2/namei.c | 83 ++++++++++++++----------------------------- fs/ocfs2/suballoc.c | 29 ++++++--------- fs/ocfs2/super.c | 3 +- fs/ocfs2/symlink.c | 3 +- 12 files changed, 74 insertions(+), 147 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index ebfe36ab2d5e..052c4cf7db95 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -719,8 +719,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, retval = le16_to_cpu(el->l_count) - le16_to_cpu(el->l_next_free_rec); bail: - if (eb_bh) - brelse(eb_bh); + brelse(eb_bh); mlog_exit(retval); return retval; @@ -806,8 +805,7 @@ static int ocfs2_create_new_meta_bhs(struct ocfs2_super *osb, bail: if (status < 0) { for(i = 0; i < wanted; i++) { - if (bhs[i]) - brelse(bhs[i]); + brelse(bhs[i]); bhs[i] = NULL; } } @@ -1017,8 +1015,7 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, bail: if (new_eb_bhs) { for (i = 0; i < new_blocks; i++) - if (new_eb_bhs[i]) - brelse(new_eb_bhs[i]); + brelse(new_eb_bhs[i]); kfree(new_eb_bhs); } @@ -1116,8 +1113,7 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, new_eb_bh = NULL; status = 0; bail: - if (new_eb_bh) - brelse(new_eb_bh); + brelse(new_eb_bh); mlog_exit(status); return status; @@ -1177,10 +1173,8 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, goto bail; } - if (bh) { - brelse(bh); - bh = NULL; - } + brelse(bh); + bh = NULL; status = ocfs2_read_block(osb, blkno, &bh, OCFS2_BH_CACHED, inode); @@ -1199,8 +1193,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, if (le16_to_cpu(el->l_next_free_rec) < le16_to_cpu(el->l_count)) { - if (lowest_bh) - brelse(lowest_bh); + brelse(lowest_bh); lowest_bh = bh; get_bh(lowest_bh); } @@ -1214,8 +1207,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, *target_bh = lowest_bh; bail: - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; @@ -4471,8 +4463,7 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, ocfs2_extent_map_insert_rec(inode, &rec); bail: - if (last_eb_bh) - brelse(last_eb_bh); + brelse(last_eb_bh); mlog_exit(status); return status; @@ -5677,8 +5668,7 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb, bail: if (tl_inode) iput(tl_inode); - if (tl_bh) - brelse(tl_bh); + brelse(tl_bh); if (status < 0 && (*tl_copy)) { kfree(*tl_copy); @@ -7115,8 +7105,7 @@ static void ocfs2_free_truncate_context(struct ocfs2_truncate_context *tc) mlog(ML_NOTICE, "Truncate completion has non-empty dealloc context\n"); - if (tc->tc_last_eb_bh) - brelse(tc->tc_last_eb_bh); + brelse(tc->tc_last_eb_bh); kfree(tc); } diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index de179054a74b..98e16fb49e4b 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -128,8 +128,7 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, err = 0; bail: - if (bh) - brelse(bh); + brelse(bh); mlog_exit(err); return err; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 167e6c96277d..3614651dcdb2 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -716,8 +716,7 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, for (i = ra_sectors >> (sb->s_blocksize_bits - 9); i > 0; i--) { tmp = ocfs2_bread(inode, ++blk, &err, 1); - if (tmp) - brelse(tmp); + brelse(tmp); } last_ra_blk = blk; ra_sectors = 8; @@ -899,10 +898,8 @@ int ocfs2_find_files_on_disk(const char *name, leave: if (status < 0) { *dirent = NULL; - if (*dirent_bh) { - brelse(*dirent_bh); - *dirent_bh = NULL; - } + brelse(*dirent_bh); + *dirent_bh = NULL; } mlog_exit(status); @@ -951,8 +948,7 @@ int ocfs2_check_dir_for_entry(struct inode *dir, ret = 0; bail: - if (dirent_bh) - brelse(dirent_bh); + brelse(dirent_bh); mlog_exit(ret); return ret; @@ -1127,8 +1123,7 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, status = 0; bail: - if (new_bh) - brelse(new_bh); + brelse(new_bh); mlog_exit(status); return status; @@ -1574,8 +1569,7 @@ bail: if (meta_ac) ocfs2_free_alloc_context(meta_ac); - if (new_bh) - brelse(new_bh); + brelse(new_bh); mlog_exit(status); return status; @@ -1702,8 +1696,7 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = 0; bail: - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; @@ -1762,7 +1755,6 @@ int ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb, *ret_de_bh = bh; bh = NULL; out: - if (bh) - brelse(bh); + brelse(bh); return ret; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index c95318bc00cb..408d5a66591d 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -671,10 +671,8 @@ leave: restart_func = 0; goto restart_all; } - if (bh) { - brelse(bh); - bh = NULL; - } + brelse(bh); + bh = NULL; mlog_exit(status); return status; @@ -991,8 +989,7 @@ bail_unlock_rw: if (size_change) ocfs2_rw_unlock(inode, 1); bail: - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 9d92c859ac94..05ad1186a167 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1174,10 +1174,9 @@ struct buffer_head *ocfs2_bread(struct inode *inode, return bh; fail: - if (bh) { - brelse(bh); - bh = NULL; - } + brelse(bh); + bh = NULL; + *err = -EIO; return NULL; } diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 7b142f0ce995..9fcd36dcc9a0 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -102,8 +102,7 @@ bail_unlock: bail: mutex_unlock(&inode->i_mutex); - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 373d94366a4c..562ba652593e 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -554,8 +554,7 @@ done: if (status < 0) { if (inode_lock) ocfs2_inode_unlock(inode, 1); - if (bh != NULL) - brelse(bh); + brelse(bh); if (inode) { OCFS2_I(inode)->ip_open_count--; iput(inode); @@ -869,8 +868,7 @@ static int ocfs2_force_read_journal(struct inode *inode) bail: for(i = 0; i < CONCURRENT_JOURNAL_FILL; i++) - if (bhs[i]) - brelse(bhs[i]); + brelse(bhs[i]); mlog_exit(status); return status; } @@ -1286,8 +1284,7 @@ done: if (inode) iput(inode); - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index b1c634d676a0..1c4f0645fb37 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -294,8 +294,7 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) bail: if (status < 0) - if (alloc_bh) - brelse(alloc_bh); + brelse(alloc_bh); if (inode) iput(inode); @@ -411,8 +410,7 @@ out_commit: ocfs2_commit_trans(osb, handle); out_unlock: - if (main_bm_bh) - brelse(main_bm_bh); + brelse(main_bm_bh); ocfs2_inode_unlock(main_bm_inode, 1); @@ -488,8 +486,7 @@ bail: *alloc_copy = NULL; } - if (alloc_bh) - brelse(alloc_bh); + brelse(alloc_bh); if (inode) { mutex_unlock(&inode->i_mutex); @@ -557,8 +554,7 @@ out_unlock: out_mutex: mutex_unlock(&main_bm_inode->i_mutex); - if (main_bm_bh) - brelse(main_bm_bh); + brelse(main_bm_bh); iput(main_bm_inode); @@ -1281,8 +1277,7 @@ bail: if (handle) ocfs2_commit_trans(osb, handle); - if (main_bm_bh) - brelse(main_bm_bh); + brelse(main_bm_bh); if (main_bm_inode) iput(main_bm_inode); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 76d1d1314308..7d0dd5c95eb3 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -328,14 +328,9 @@ leave: if (status == -ENOSPC) mlog(0, "Disk is full\n"); - if (new_fe_bh) - brelse(new_fe_bh); - - if (de_bh) - brelse(de_bh); - - if (parent_fe_bh) - brelse(parent_fe_bh); + brelse(new_fe_bh); + brelse(de_bh); + brelse(parent_fe_bh); if ((status < 0) && inode) iput(inode); @@ -648,12 +643,9 @@ out_unlock_inode: out: ocfs2_inode_unlock(dir, 1); - if (de_bh) - brelse(de_bh); - if (fe_bh) - brelse(fe_bh); - if (parent_fe_bh) - brelse(parent_fe_bh); + brelse(de_bh); + brelse(fe_bh); + brelse(parent_fe_bh); mlog_exit(err); @@ -852,17 +844,10 @@ leave: iput(orphan_dir); } - if (fe_bh) - brelse(fe_bh); - - if (dirent_bh) - brelse(dirent_bh); - - if (parent_node_bh) - brelse(parent_node_bh); - - if (orphan_entry_bh) - brelse(orphan_entry_bh); + brelse(fe_bh); + brelse(dirent_bh); + brelse(parent_node_bh); + brelse(orphan_entry_bh); mlog_exit(status); @@ -1373,24 +1358,15 @@ bail: if (new_inode) iput(new_inode); - if (newfe_bh) - brelse(newfe_bh); - if (old_inode_bh) - brelse(old_inode_bh); - if (old_dir_bh) - brelse(old_dir_bh); - if (new_dir_bh) - brelse(new_dir_bh); - if (new_de_bh) - brelse(new_de_bh); - if (old_de_bh) - brelse(old_de_bh); - if (old_inode_de_bh) - brelse(old_inode_de_bh); - if (orphan_entry_bh) - brelse(orphan_entry_bh); - if (insert_entry_bh) - brelse(insert_entry_bh); + brelse(newfe_bh); + brelse(old_inode_bh); + brelse(old_dir_bh); + brelse(new_dir_bh); + brelse(new_de_bh); + brelse(old_de_bh); + brelse(old_inode_de_bh); + brelse(orphan_entry_bh); + brelse(insert_entry_bh); mlog_exit(status); @@ -1493,8 +1469,7 @@ bail: if (bhs) { for(i = 0; i < blocks; i++) - if (bhs[i]) - brelse(bhs[i]); + brelse(bhs[i]); kfree(bhs); } @@ -1660,12 +1635,9 @@ bail: ocfs2_inode_unlock(dir, 1); - if (new_fe_bh) - brelse(new_fe_bh); - if (parent_fe_bh) - brelse(parent_fe_bh); - if (de_bh) - brelse(de_bh); + brelse(new_fe_bh); + brelse(parent_fe_bh); + brelse(de_bh); if (inode_ac) ocfs2_free_alloc_context(inode_ac); if (data_ac) @@ -1760,8 +1732,7 @@ leave: iput(orphan_dir_inode); } - if (orphan_dir_bh) - brelse(orphan_dir_bh); + brelse(orphan_dir_bh); mlog_exit(status); return status; @@ -1830,8 +1801,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num); leave: - if (orphan_dir_bh) - brelse(orphan_dir_bh); + brelse(orphan_dir_bh); mlog_exit(status); return status; @@ -1899,8 +1869,7 @@ int ocfs2_orphan_del(struct ocfs2_super *osb, } leave: - if (target_de_bh) - brelse(target_de_bh); + brelse(target_de_bh); mlog_exit(status); return status; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index d7a6f928c317..08d8844a3c2d 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -130,10 +130,8 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac) iput(inode); ac->ac_inode = NULL; } - if (ac->ac_bh) { - brelse(ac->ac_bh); - ac->ac_bh = NULL; - } + brelse(ac->ac_bh); + ac->ac_bh = NULL; } void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac) @@ -401,8 +399,7 @@ bail: if (ac) ocfs2_free_alloc_context(ac); - if (bg_bh) - brelse(bg_bh); + brelse(bg_bh); mlog_exit(status); return status; @@ -494,8 +491,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, get_bh(bh); ac->ac_bh = bh; bail: - if (bh) - brelse(bh); + brelse(bh); mlog_exit(status); return status; @@ -1269,10 +1265,10 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, &tmp_bits)) == -ENOSPC) { if (!bg->bg_next_group) break; - if (prev_group_bh) { - brelse(prev_group_bh); - prev_group_bh = NULL; - } + + brelse(prev_group_bh); + prev_group_bh = NULL; + next_group = le64_to_cpu(bg->bg_next_group); prev_group_bh = group_bh; group_bh = NULL; @@ -1367,10 +1363,8 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, *bg_blkno = le64_to_cpu(bg->bg_blkno); *bits_left = le16_to_cpu(bg->bg_free_bits_count); bail: - if (group_bh) - brelse(group_bh); - if (prev_group_bh) - brelse(prev_group_bh); + brelse(group_bh); + brelse(prev_group_bh); mlog_exit(status); return status; @@ -1844,8 +1838,7 @@ int ocfs2_free_suballoc_bits(handle_t *handle, } bail: - if (group_bh) - brelse(group_bh); + brelse(group_bh); mlog_exit(status); return status; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index d2027cec8f3b..304b63ac78cf 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -762,8 +762,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) return status; read_super_error: - if (bh != NULL) - brelse(bh); + brelse(bh); if (inode) iput(inode); diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index 8c5879c7f846..c6c94b55774f 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -158,8 +158,7 @@ bail: kunmap(page); page_cache_release(page); } - if (bh) - brelse(bh); + brelse(bh); return ERR_PTR(status); } -- GitLab From 40daa16a3441abe822bfcc748150116a77aee2ea Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 14:31:42 -0700 Subject: [PATCH 4547/6244] ocfs2: Uninline ocfs2_xattr_name_hash() This is too big to be inlined. Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 64700c3fc244..e21a1a8b4257 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -144,11 +144,11 @@ static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) return handler; } -static inline u32 ocfs2_xattr_name_hash(struct inode *inode, - char *prefix, - int prefix_len, - char *name, - int name_len) +static u32 ocfs2_xattr_name_hash(struct inode *inode, + char *prefix, + int prefix_len, + char *name, + int name_len) { /* Get hash value of uuid from super block */ u32 hash = OCFS2_SB(inode->i_sb)->uuid_hash; -- GitLab From 99219aea68b5bff4f182858372b43181ad3bdb34 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 7 Oct 2008 14:52:59 -0700 Subject: [PATCH 4548/6244] ocfs2: Move trusted and user attribute support into xattr.c Per Christoph Hellwig's suggestion - don't split these up. It's not like we gained much by having the two tiny files around. Signed-off-by: Mark Fasheh --- fs/ocfs2/Makefile | 4 +- fs/ocfs2/xattr.c | 110 +++++++++++++++++++++++++++++++++++++++ fs/ocfs2/xattr_trusted.c | 82 ----------------------------- fs/ocfs2/xattr_user.c | 94 --------------------------------- 4 files changed, 111 insertions(+), 179 deletions(-) delete mode 100644 fs/ocfs2/xattr_trusted.c delete mode 100644 fs/ocfs2/xattr_user.c diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index 21323da40855..589dcdfdfe3c 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -35,9 +35,7 @@ ocfs2-objs := \ sysfile.o \ uptodate.o \ ver.o \ - xattr.o \ - xattr_user.o \ - xattr_trusted.o + xattr.o ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index e21a1a8b4257..0f556b00235e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -37,6 +37,9 @@ #include #include #include +#include +#include +#include #define MLOG_MASK_PREFIX ML_XATTR #include @@ -4740,3 +4743,110 @@ static int ocfs2_delete_xattr_index_block(struct inode *inode, out: return ret; } + +/* + * 'trusted' attributes support + */ + +#define XATTR_TRUSTED_PREFIX "trusted." + +static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name, + buffer, size); +} + +static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_trusted_handler = { + .prefix = XATTR_TRUSTED_PREFIX, + .list = ocfs2_xattr_trusted_list, + .get = ocfs2_xattr_trusted_get, + .set = ocfs2_xattr_trusted_set, +}; + + +/* + * 'user' attributes support + */ + +#define XATTR_USER_PREFIX "user." + +static size_t ocfs2_xattr_user_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1; + const size_t total_len = prefix_len + name_len + 1; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return 0; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_USER_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_user_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name, + buffer, size); +} + +static int ocfs2_xattr_user_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + if (strcmp(name, "") == 0) + return -EINVAL; + if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) + return -EOPNOTSUPP; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_user_handler = { + .prefix = XATTR_USER_PREFIX, + .list = ocfs2_xattr_user_list, + .get = ocfs2_xattr_user_get, + .set = ocfs2_xattr_user_set, +}; diff --git a/fs/ocfs2/xattr_trusted.c b/fs/ocfs2/xattr_trusted.c deleted file mode 100644 index 4c589c447aaf..000000000000 --- a/fs/ocfs2/xattr_trusted.c +++ /dev/null @@ -1,82 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * xattr_trusted.c - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * CREDITS: - * Lots of code in this file is taken from ext3. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#include -#include -#include - -#define MLOG_MASK_PREFIX ML_INODE -#include - -#include "ocfs2.h" -#include "alloc.h" -#include "dlmglue.h" -#include "file.h" -#include "ocfs2_fs.h" -#include "xattr.h" - -#define XATTR_TRUSTED_PREFIX "trusted." - -static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, - size_t list_size, const char *name, - size_t name_len) -{ - const size_t prefix_len = sizeof(XATTR_TRUSTED_PREFIX) - 1; - const size_t total_len = prefix_len + name_len + 1; - - if (list && total_len <= list_size) { - memcpy(list, XATTR_TRUSTED_PREFIX, prefix_len); - memcpy(list + prefix_len, name, name_len); - list[prefix_len + name_len] = '\0'; - } - return total_len; -} - -static int ocfs2_xattr_trusted_get(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") == 0) - return -EINVAL; - return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED, name, - buffer, size); -} - -static int ocfs2_xattr_trusted_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") == 0) - return -EINVAL; - - return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED, name, value, - size, flags); -} - -struct xattr_handler ocfs2_xattr_trusted_handler = { - .prefix = XATTR_TRUSTED_PREFIX, - .list = ocfs2_xattr_trusted_list, - .get = ocfs2_xattr_trusted_get, - .set = ocfs2_xattr_trusted_set, -}; diff --git a/fs/ocfs2/xattr_user.c b/fs/ocfs2/xattr_user.c deleted file mode 100644 index 93ba71637788..000000000000 --- a/fs/ocfs2/xattr_user.c +++ /dev/null @@ -1,94 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * xattr_user.c - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * CREDITS: - * Lots of code in this file is taken from ext3. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - */ - -#include -#include -#include - -#define MLOG_MASK_PREFIX ML_INODE -#include - -#include "ocfs2.h" -#include "alloc.h" -#include "dlmglue.h" -#include "file.h" -#include "ocfs2_fs.h" -#include "xattr.h" - -#define XATTR_USER_PREFIX "user." - -static size_t ocfs2_xattr_user_list(struct inode *inode, char *list, - size_t list_size, const char *name, - size_t name_len) -{ - const size_t prefix_len = sizeof(XATTR_USER_PREFIX) - 1; - const size_t total_len = prefix_len + name_len + 1; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return 0; - - if (list && total_len <= list_size) { - memcpy(list, XATTR_USER_PREFIX, prefix_len); - memcpy(list + prefix_len, name, name_len); - list[prefix_len + name_len] = '\0'; - } - return total_len; -} - -static int ocfs2_xattr_user_get(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (strcmp(name, "") == 0) - return -EINVAL; - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return -EOPNOTSUPP; - return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name, - buffer, size); -} - -static int ocfs2_xattr_user_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - - if (strcmp(name, "") == 0) - return -EINVAL; - if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR) - return -EOPNOTSUPP; - - return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER, name, value, - size, flags); -} - -struct xattr_handler ocfs2_xattr_user_handler = { - .prefix = XATTR_USER_PREFIX, - .list = ocfs2_xattr_user_list, - .get = ocfs2_xattr_user_get, - .set = ocfs2_xattr_user_set, -}; -- GitLab From 2057e5c6780d86939a199031cdbafb81e6f88aac Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 9 Oct 2008 23:06:13 +0800 Subject: [PATCH 4549/6244] ocfs2: Calculate EA hash only by its suffix. According to Christoph Hellwig's advice, the hash value of EA is only calculated by its suffix. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 35 +++++------------------------------ 1 file changed, 5 insertions(+), 30 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 0f556b00235e..092a12318986 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -148,21 +148,13 @@ static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) } static u32 ocfs2_xattr_name_hash(struct inode *inode, - char *prefix, - int prefix_len, - char *name, + const char *name, int name_len) { /* Get hash value of uuid from super block */ u32 hash = OCFS2_SB(inode->i_sb)->uuid_hash; int i; - /* hash extended attribute prefix */ - for (i = 0; i < prefix_len; i++) { - hash = (hash << OCFS2_HASH_SHIFT) ^ - (hash >> (8*sizeof(hash) - OCFS2_HASH_SHIFT)) ^ - *prefix++; - } /* hash extended attribute name */ for (i = 0; i < name_len; i++) { hash = (hash << OCFS2_HASH_SHIFT) ^ @@ -183,14 +175,9 @@ static void ocfs2_xattr_hash_entry(struct inode *inode, struct ocfs2_xattr_entry *entry) { u32 hash = 0; - struct xattr_handler *handler = - ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); - char *prefix = handler->prefix; char *name = (char *)header + le16_to_cpu(entry->xe_name_offset); - int prefix_len = strlen(handler->prefix); - hash = ocfs2_xattr_name_hash(inode, prefix, prefix_len, name, - entry->xe_name_len); + hash = ocfs2_xattr_name_hash(inode, name, entry->xe_name_len); entry->xe_name_hash = cpu_to_le32(hash); return; @@ -2093,18 +2080,6 @@ cleanup: return ret; } -static inline u32 ocfs2_xattr_hash_by_name(struct inode *inode, - int name_index, - const char *suffix_name) -{ - struct xattr_handler *handler = ocfs2_xattr_handler(name_index); - char *prefix = handler->prefix; - int prefix_len = strlen(handler->prefix); - - return ocfs2_xattr_name_hash(inode, prefix, prefix_len, - (char *)suffix_name, strlen(suffix_name)); -} - /* * Find the xattr extent rec which may contains name_hash. * e_cpos will be the first name hash of the xattr rec. @@ -2395,7 +2370,7 @@ static int ocfs2_xattr_index_block_find(struct inode *inode, struct ocfs2_extent_list *el = &xb_root->xt_list; u64 p_blkno = 0; u32 first_hash, num_clusters = 0; - u32 name_hash = ocfs2_xattr_hash_by_name(inode, name_index, name); + u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name)); if (le16_to_cpu(el->l_next_free_rec) == 0) return -ENODATA; @@ -4435,8 +4410,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, size_t value_len; char *val = (char *)xi->value; struct ocfs2_xattr_entry *xe = xs->here; - u32 name_hash = ocfs2_xattr_hash_by_name(inode, - xi->name_index, xi->name); + u32 name_hash = ocfs2_xattr_name_hash(inode, xi->name, + strlen(xi->name)); if (!xs->not_found && !ocfs2_xattr_is_local(xe)) { /* -- GitLab From 936b8834366ec05f2a6993f73afd8348cac9718e Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 9 Oct 2008 23:06:14 +0800 Subject: [PATCH 4550/6244] ocfs2: Refactor xattr list and remove ocfs2_xattr_handler(). According to Christoph Hellwig's advice, we really don't need a ->list to handle one xattr's list. Just a map from index to xattr prefix is enough. And I also refactor the old list method with the reference from fs/xfs/linux-2.6/xfs_xattr.c and the xattr list method in btrfs. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 95 ++++++++++++++++++++++++++++++------------------ 1 file changed, 60 insertions(+), 35 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 092a12318986..8f522f2f84a5 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -137,14 +137,14 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, static int ocfs2_delete_xattr_index_block(struct inode *inode, struct buffer_head *xb_bh); -static inline struct xattr_handler *ocfs2_xattr_handler(int name_index) +static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; if (name_index > 0 && name_index < OCFS2_XATTR_MAX) handler = ocfs2_xattr_handler_map[name_index]; - return handler; + return handler ? handler->prefix : NULL; } static u32 ocfs2_xattr_name_hash(struct inode *inode, @@ -452,33 +452,56 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, return ret; } +static int ocfs2_xattr_list_entry(char *buffer, size_t size, + size_t *result, const char *prefix, + const char *name, int name_len) +{ + char *p = buffer + *result; + int prefix_len = strlen(prefix); + int total_len = prefix_len + name_len + 1; + + *result += total_len; + + /* we are just looking for how big our buffer needs to be */ + if (!size) + return 0; + + if (*result > size) + return -ERANGE; + + memcpy(p, prefix, prefix_len); + memcpy(p + prefix_len, name, name_len); + p[prefix_len + name_len] = '\0'; + + return 0; +} + static int ocfs2_xattr_list_entries(struct inode *inode, struct ocfs2_xattr_header *header, char *buffer, size_t buffer_size) { - size_t rest = buffer_size; - int i; + size_t result = 0; + int i, type, ret; + const char *prefix, *name; for (i = 0 ; i < le16_to_cpu(header->xh_count); i++) { struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; - struct xattr_handler *handler = - ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); - - if (handler) { - size_t size = handler->list(inode, buffer, rest, - ((char *)header + - le16_to_cpu(entry->xe_name_offset)), - entry->xe_name_len); - if (buffer) { - if (size > rest) - return -ERANGE; - buffer += size; - } - rest -= size; + type = ocfs2_xattr_get_type(entry); + prefix = ocfs2_xattr_prefix(type); + + if (prefix) { + name = (const char *)header + + le16_to_cpu(entry->xe_name_offset); + + ret = ocfs2_xattr_list_entry(buffer, buffer_size, + &result, prefix, name, + entry->xe_name_len); + if (ret) + return ret; } } - return buffer_size - rest; + return result; } static int ocfs2_xattr_ibody_list(struct inode *inode, @@ -2456,6 +2479,7 @@ out: struct ocfs2_xattr_tree_list { char *buffer; size_t buffer_size; + size_t result; }; static int ocfs2_xattr_bucket_get_name_value(struct inode *inode, @@ -2481,17 +2505,17 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, struct ocfs2_xattr_bucket *bucket, void *para) { - int ret = 0; + int ret = 0, type; struct ocfs2_xattr_tree_list *xl = (struct ocfs2_xattr_tree_list *)para; - size_t size; int i, block_off, new_offset; + const char *prefix, *name; for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) { struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i]; - struct xattr_handler *handler = - ocfs2_xattr_handler(ocfs2_xattr_get_type(entry)); + type = ocfs2_xattr_get_type(entry); + prefix = ocfs2_xattr_prefix(type); - if (handler) { + if (prefix) { ret = ocfs2_xattr_bucket_get_name_value(inode, bucket->xh, i, @@ -2499,16 +2523,16 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, &new_offset); if (ret) break; - size = handler->list(inode, xl->buffer, xl->buffer_size, - bucket->bhs[block_off]->b_data + - new_offset, - entry->xe_name_len); - if (xl->buffer) { - if (size > xl->buffer_size) - return -ERANGE; - xl->buffer += size; - } - xl->buffer_size -= size; + + name = (const char *)bucket->bhs[block_off]->b_data + + new_offset; + ret = ocfs2_xattr_list_entry(xl->buffer, + xl->buffer_size, + &xl->result, + prefix, name, + entry->xe_name_len); + if (ret) + break; } } @@ -2527,6 +2551,7 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, struct ocfs2_xattr_tree_list xl = { .buffer = buffer, .buffer_size = buffer_size, + .result = 0, }; if (le16_to_cpu(el->l_next_free_rec) == 0) @@ -2554,7 +2579,7 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, name_hash = e_cpos - 1; } - ret = buffer_size - xl.buffer_size; + ret = xl.result; out: return ret; } -- GitLab From b7c6bfb710cfd6552c3186cb8ce1ac9eef7a0e3d Mon Sep 17 00:00:00 2001 From: Kamalesh Babulal Date: Mon, 13 Oct 2008 18:41:01 -0700 Subject: [PATCH 4551/6244] net: fix driver build errors due to missing net/ip6_checksum.h include MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 2.6.27-git2 kernel build fails with allyesconfig on powerpc with build error CC drivers/net/enic/enic_main.o drivers/net/enic/enic_main.c: In function ‘enic_queue_wq_skb_tso’: drivers/net/enic/enic_main.c:576: error: implicit declaration of function ‘csum_ipv6_magic’ make[3]: *** [drivers/net/enic/enic_main.o] Error 1 drivers/net/qlge/qlge_main.c: In function ‘ql_tso’: drivers/net/qlge/qlge_main.c:1862: error: implicit declaration of function ‘csum_ipv6_magic’ make[3]: *** [drivers/net/qlge/qlge_main.o] Error 1 drivers/net/jme.c: In function ‘jme_tx_tso’: drivers/net/jme.c:1784: error: implicit declaration of function ‘csum_ipv6_magic’ make[2]: *** [drivers/net/jme.o] Error 1 Signed-off-by: Kamalesh Babulal Signed-off-by: Ron Mercer Signed-off-by: David S. Miller --- drivers/net/enic/enic_main.c | 1 + drivers/net/jme.c | 1 + drivers/net/qlge/qlge_main.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index f3a47a87dbbe..180e968dc54d 100644 --- a/drivers/net/enic/enic_main.c +++ b/drivers/net/enic/enic_main.c @@ -34,6 +34,7 @@ #include #include #include +#include #include "cq_enet_desc.h" #include "vnic_dev.h" diff --git a/drivers/net/jme.c b/drivers/net/jme.c index 156f159aafbb..81c6cdc3851f 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "jme.h" static int force_pseudohp = -1; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 297877b68c46..4b2caa6b7ac5 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "qlge.h" -- GitLab From 6bff338bb60cb97f4ad06aa20f5c8e547eb1bc7a Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Mon, 13 Oct 2008 18:42:07 -0700 Subject: [PATCH 4552/6244] misdn: use nonseekable_open() The driver just sets ->llseek to NULL. It should also clear FMODE_LSEEK to tell the VFS that seeks are not supported. Pointed out by Christoph Hellwig. Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- drivers/isdn/mISDN/timerdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c index e7462924b505..875fabe16e36 100644 --- a/drivers/isdn/mISDN/timerdev.c +++ b/drivers/isdn/mISDN/timerdev.c @@ -61,7 +61,7 @@ mISDN_open(struct inode *ino, struct file *filep) init_waitqueue_head(&dev->wait); filep->private_data = dev; __module_get(THIS_MODULE); - return 0; + return nonseekable_open(ino, filep); } static int -- GitLab From 9e9540b8f7b91c8818e2386add3b58a961459166 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 18:42:55 -0700 Subject: [PATCH 4553/6244] mISDN/dsp_cmx.c: fix size checks The checks for ensuring that the array indices are inside the range were flipped. Reported-by: Adrian Bunk Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- drivers/isdn/mISDN/dsp_cmx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index e92b1ba4b45e..c2f51cc50760 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -452,10 +452,10 @@ one_member: if (finddsp->features.pcm_id == dsp->features.pcm_id) { if (finddsp->pcm_slot_rx >= 0 && finddsp->pcm_slot_rx < sizeof(freeslots)) - freeslots[finddsp->pcm_slot_tx] = 0; + freeslots[finddsp->pcm_slot_rx] = 0; if (finddsp->pcm_slot_tx >= 0 && finddsp->pcm_slot_tx < sizeof(freeslots)) - freeslots[finddsp->pcm_slot_rx] = 0; + freeslots[finddsp->pcm_slot_tx] = 0; } } i = 0; -- GitLab From b4bb4ac8cb05ab5c13dfb7b47ef243982d3ad526 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Mon, 13 Oct 2008 18:43:59 -0700 Subject: [PATCH 4554/6244] pktgen: fix skb leak in case of failure MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Seems that skb goes into void unless something magic happened in pskb_expand_head in case of failure. Signed-off-by: Ilpo Järvinen Acked-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/core/pktgen.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index a756847e3814..99f656d35b4f 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2474,7 +2474,7 @@ static inline int process_ipsec(struct pktgen_dev *pkt_dev, if (ret < 0) { printk(KERN_ERR "Error expanding " "ipsec packet %d\n",ret); - return 0; + goto err; } } @@ -2484,8 +2484,7 @@ static inline int process_ipsec(struct pktgen_dev *pkt_dev, if (ret) { printk(KERN_ERR "Error creating ipsec " "packet %d\n",ret); - kfree_skb(skb); - return 0; + goto err; } /* restore ll */ eth = (__u8 *) skb_push(skb, ETH_HLEN); @@ -2494,6 +2493,9 @@ static inline int process_ipsec(struct pktgen_dev *pkt_dev, } } return 1; +err: + kfree_skb(skb); + return 0; } #endif -- GitLab From 78c36b15a02941403be5f1d28c06074f1e192079 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 13 Oct 2008 18:46:22 -0700 Subject: [PATCH 4555/6244] net/phy: add missing kernel-doc Fix kernel-doc warning, missing description: Warning(lin2627-g3-kdocfixes//drivers/net/phy/mdio_bus.c:63): No description found for parameter 'd' Signed-off-by: Randy Dunlap Signed-off-by: David S. Miller --- drivers/net/phy/mdio_bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 6671e2da0d57..d0ed1ef284a8 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -55,6 +55,7 @@ EXPORT_SYMBOL(mdiobus_alloc); /** * mdiobus_release - mii_bus device release callback + * @d: the target struct device that contains the mii_bus * * Description: called when the last reference to an mii_bus is * dropped, to free the underlying memory. -- GitLab From fe642ebc2d5f5b0d82dd248a6f1ef3984b83f3cc Mon Sep 17 00:00:00 2001 From: Divy Le Ray Date: Mon, 13 Oct 2008 18:47:02 -0700 Subject: [PATCH 4556/6244] cxgb3: update driver version Add a field to the driver versioning info. Update version to 1.1.0. Signed-off-by: Divy Le Ray Signed-off-by: David S. Miller --- drivers/net/cxgb3/version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/cxgb3/version.h b/drivers/net/cxgb3/version.h index 29db711303b9..ed169073177e 100644 --- a/drivers/net/cxgb3/version.h +++ b/drivers/net/cxgb3/version.h @@ -35,7 +35,7 @@ #define DRV_DESC "Chelsio T3 Network Driver" #define DRV_NAME "cxgb3" /* Driver version */ -#define DRV_VERSION "1.0-ko" +#define DRV_VERSION "1.1.0-ko" /* Firmware version */ #define FW_VERSION_MAJOR 7 -- GitLab From a02d44a02bd2b3f3848f30e335adc3c076b3f905 Mon Sep 17 00:00:00 2001 From: Divy Le Ray Date: Mon, 13 Oct 2008 18:47:30 -0700 Subject: [PATCH 4557/6244] cxgb3: extend copyrights to 2008 Update copyright banner to 2008. Signed-off-by: Divy Le Ray Signed-off-by: David S. Miller --- drivers/net/cxgb3/adapter.h | 2 +- drivers/net/cxgb3/ael1002.c | 2 +- drivers/net/cxgb3/common.h | 2 +- drivers/net/cxgb3/cxgb3_ctl_defs.h | 2 +- drivers/net/cxgb3/cxgb3_defs.h | 2 +- drivers/net/cxgb3/cxgb3_ioctl.h | 2 +- drivers/net/cxgb3/cxgb3_main.c | 2 +- drivers/net/cxgb3/cxgb3_offload.c | 2 +- drivers/net/cxgb3/cxgb3_offload.h | 2 +- drivers/net/cxgb3/firmware_exports.h | 2 +- drivers/net/cxgb3/l2t.c | 2 +- drivers/net/cxgb3/l2t.h | 2 +- drivers/net/cxgb3/mc5.c | 2 +- drivers/net/cxgb3/sge.c | 2 +- drivers/net/cxgb3/t3_cpl.h | 2 +- drivers/net/cxgb3/t3_hw.c | 2 +- drivers/net/cxgb3/t3cdev.h | 2 +- drivers/net/cxgb3/version.h | 2 +- drivers/net/cxgb3/vsc8211.c | 2 +- drivers/net/cxgb3/xgmac.c | 2 +- 20 files changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h index 455ef529cd62..bc8e2413abd2 100644 --- a/drivers/net/cxgb3/adapter.h +++ b/drivers/net/cxgb3/adapter.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c index 744fac0b1617..5c3c05da4d96 100644 --- a/drivers/net/cxgb3/ael1002.c +++ b/drivers/net/cxgb3/ael1002.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h index 593fb643a615..e312d315a42d 100644 --- a/drivers/net/cxgb3/common.h +++ b/drivers/net/cxgb3/common.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h index 6ad92405d9a0..1d8d46eb3c96 100644 --- a/drivers/net/cxgb3/cxgb3_ctl_defs.h +++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_defs.h b/drivers/net/cxgb3/cxgb3_defs.h index 45e92164c260..47e53769af5b 100644 --- a/drivers/net/cxgb3/cxgb3_defs.h +++ b/drivers/net/cxgb3/cxgb3_defs.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_ioctl.h b/drivers/net/cxgb3/cxgb3_ioctl.h index 3e8d5faec3a4..b19e4376ba76 100644 --- a/drivers/net/cxgb3/cxgb3_ioctl.h +++ b/drivers/net/cxgb3/cxgb3_ioctl.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index f31985df0bb9..1ace41a13ac3 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 0f6fd63b2847..265aa8a15afa 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h index 7a379138b5a6..d514e5019dfc 100644 --- a/drivers/net/cxgb3/cxgb3_offload.h +++ b/drivers/net/cxgb3/cxgb3_offload.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/firmware_exports.h b/drivers/net/cxgb3/firmware_exports.h index b75ddd8777fe..0d9b0e6dccff 100644 --- a/drivers/net/cxgb3/firmware_exports.h +++ b/drivers/net/cxgb3/firmware_exports.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2004-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/l2t.c b/drivers/net/cxgb3/l2t.c index b2c5314582aa..4407ac9bb555 100644 --- a/drivers/net/cxgb3/l2t.c +++ b/drivers/net/cxgb3/l2t.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/l2t.h b/drivers/net/cxgb3/l2t.h index 42ce65f76a87..fd3eb07e3f40 100644 --- a/drivers/net/cxgb3/l2t.h +++ b/drivers/net/cxgb3/l2t.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/mc5.c b/drivers/net/cxgb3/mc5.c index 4c4d6e877ea6..3b5517b8fbde 100644 --- a/drivers/net/cxgb3/mc5.c +++ b/drivers/net/cxgb3/mc5.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 87919419b707..c6480be0bc1f 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/t3_cpl.h b/drivers/net/cxgb3/t3_cpl.h index 917970ed24a1..852c399a8b0a 100644 --- a/drivers/net/cxgb3/t3_cpl.h +++ b/drivers/net/cxgb3/t3_cpl.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2004-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 4da5b09b9bc2..968f64be3743 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/t3cdev.h b/drivers/net/cxgb3/t3cdev.h index 0a21cfbd2b21..be55e9ae74d1 100644 --- a/drivers/net/cxgb3/t3cdev.h +++ b/drivers/net/cxgb3/t3cdev.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2007 Chelsio Communications. All rights reserved. + * Copyright (C) 2006-2008 Chelsio Communications. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/version.h b/drivers/net/cxgb3/version.h index ed169073177e..bb8698a86754 100644 --- a/drivers/net/cxgb3/version.h +++ b/drivers/net/cxgb3/version.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/vsc8211.c b/drivers/net/cxgb3/vsc8211.c index 306c2dc4ab34..33f956bd6b59 100644 --- a/drivers/net/cxgb3/vsc8211.c +++ b/drivers/net/cxgb3/vsc8211.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/net/cxgb3/xgmac.c b/drivers/net/cxgb3/xgmac.c index ffdc0a1892bd..9d7786937aad 100644 --- a/drivers/net/cxgb3/xgmac.c +++ b/drivers/net/cxgb3/xgmac.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2007 Chelsio, Inc. All rights reserved. + * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU -- GitLab From 892871dcc39c23d3e30f8c317a5bfbab74084a40 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 18:48:09 -0700 Subject: [PATCH 4558/6244] net: export genphy_restart_aneg This patch fixes the following build error caused by commit ed94493fb38a665cebcf750dfabe8a6dd13e136f (mv643xx_eth: convert to phylib): <-- snip --> ... Building modules, stage 2. MODPOST 1280 modules ERROR: "genphy_restart_aneg" [drivers/net/mv643xx_eth.ko] undefined! ... make[2]: *** [__modpost] Error 1 <-- snip --> Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- drivers/net/phy/phy_device.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 171627480058..f11e900b437b 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -557,6 +557,7 @@ int genphy_restart_aneg(struct phy_device *phydev) return ctl; } +EXPORT_SYMBOL(genphy_restart_aneg); /** -- GitLab From ebe05d06a5051e7ddc07d76eab541a1d6b6eafcd Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 13 Oct 2008 18:48:43 -0700 Subject: [PATCH 4559/6244] s390: claw compile fixlet Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- drivers/s390/net/claw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 8f83fc994f50..f5e618562c5f 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -2913,7 +2913,7 @@ claw_new_device(struct ccwgroup_device *cgdev) if (ret != 0) { printk(KERN_WARNING "claw: ccw_device_set_online %s WRITE failed " - "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev) + "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev), ret); goto out; } -- GitLab From bc0da3fcec1cec11dc451b8fcb9c9ad7e4ca6e12 Mon Sep 17 00:00:00 2001 From: Martin Langer Date: Mon, 13 Oct 2008 18:49:38 -0700 Subject: [PATCH 4560/6244] de2104x: wrong MAC address fix The de2104x returns sometimes a wrong MAC address. The wrong one is like the original one, but it comes with an one byte shift. I found this bug on an older alpha ev5 cpu. More details are available in Gentoo bugreport #240718. It seems the hardware is sometimes a little bit too slow for an immediate access. This patch solves the problem by introducing a small udelay. Signed-off-by: Martin Langer Signed-off-by: David S. Miller --- drivers/net/tulip/de2104x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index f54c45049d50..124d5d690dde 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -1688,6 +1688,7 @@ static void __devinit de21040_get_mac_address (struct de_private *de) unsigned i; dw32 (ROMCmd, 0); /* Reset the pointer with a dummy write. */ + udelay(5); for (i = 0; i < 6; i++) { int value, boguscnt = 100000; -- GitLab From eb8a4cb6df3031de3c37c272c031b02ad58dcc67 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Mon, 13 Oct 2008 18:53:05 -0700 Subject: [PATCH 4561/6244] enic: Fix Kconfig headline description I don't think the enic driver has anything to do with Mark Everett (http://en.wikipedia.org/wiki/A_Man_Called_E). Fix the Kconfig description. Signed-off-by: Roland Dreier Signed-off-by: David S. Miller --- drivers/net/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index e9d529442b06..1d8af3348331 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2400,7 +2400,7 @@ config EHEA will be called ehea. config ENIC - tristate "E, the Cisco 10G Ethernet NIC" + tristate "Cisco 10G Ethernet NIC support" depends on PCI && INET select INET_LRO help -- GitLab From e7dc849494608fca7a7493c07eb190219c00d064 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Mon, 13 Oct 2008 18:54:07 -0700 Subject: [PATCH 4562/6244] netns: mib6 section fixlet LD net/ipv6/ipv6.o WARNING: net/ipv6/ipv6.o(.text+0xd8): Section mismatch in reference from the function inet6_net_init() to the function .init.text:ipv6_init_mibs() Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/ipv6/af_inet6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 050e14b7f701..01edac888510 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -834,7 +834,7 @@ static void __net_exit ipv6_cleanup_mibs(struct net *net) snmp_mib_free((void **)net->mib.icmpv6msg_statistics); } -static int inet6_net_init(struct net *net) +static int __net_init inet6_net_init(struct net *net) { int err = 0; -- GitLab From 510149e31974fdbb2c00c9bee6c0e2a688e61c85 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 13 Oct 2008 18:58:48 -0700 Subject: [PATCH 4563/6244] dsa: fix compile bug on s390 git commit 45cec1bac0719c904bb5f4405c2937f7e715888c "dsa: Need to select PHYLIB." causes this build bug on s390: drivers/built-in.o: In function `phy_stop_interrupts': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:631: undefined reference to `free_irq' /home/heicarst/linux-2.6/drivers/net/phy/phy.c:646: undefined reference to `enable_irq' drivers/built-in.o: In function `phy_start_interrupts': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:601: undefined reference to `request_irq' drivers/built-in.o: In function `phy_interrupt': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:528: undefined reference to `disable_irq_nosync' drivers/built-in.o: In function `phy_change': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:674: undefined reference to `enable_irq' /home/heicarst/linux-2.6/drivers/net/phy/phy.c:692: undefined reference to `disable_irq' PHYLIB has alread a depend on !S390, however select PHYLIB at DSA overrides that unfortunately. So add a depend on !S390 to DSA as well. Signed-off-by: Heiko Carstens Signed-off-by: David S. Miller --- net/dsa/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index cdce4c6c672a..49211b35725b 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -1,7 +1,7 @@ menuconfig NET_DSA bool "Distributed Switch Architecture support" default n - depends on EXPERIMENTAL + depends on EXPERIMENTAL && !S390 select PHYLIB ---help--- This allows you to use hardware switch chips that use -- GitLab From 113aa838ec3a235d883f8357d31d90e16c47fc89 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 19:01:08 -0700 Subject: [PATCH 4564/6244] net: Rationalise email address: Network Specific Parts Clean up the various different email addresses of mine listed in the code to a single current and valid address. As Dave says his network merges for 2.6.28 are now done this seems a good point to send them in where they won't risk disrupting real changes. Signed-off-by: Alan Cox Signed-off-by: David S. Miller --- drivers/net/3c501.c | 12 ++++++------ drivers/net/3c515.c | 2 +- drivers/net/appletalk/cops.c | 2 +- drivers/net/eexpress.c | 2 +- drivers/net/ibmlana.c | 2 +- drivers/net/macmace.c | 2 +- drivers/net/pcmcia/3c589_cs.c | 2 +- drivers/net/pcmcia/nmclan_cs.c | 2 +- drivers/net/tlan.c | 3 ++- drivers/net/tokenring/smctr.c | 2 +- drivers/net/tulip/dmfe.c | 4 ++-- drivers/net/via-velocity.c | 2 +- drivers/net/wan/z85230.c | 3 ++- drivers/net/wan/z85230.h | 2 +- drivers/net/wireless/wavelan.c | 2 +- drivers/net/wireless/wavelan.p.h | 2 +- include/linux/if_ether.h | 2 +- include/linux/if_fddi.h | 2 +- include/linux/if_hippi.h | 2 +- include/linux/igmp.h | 2 +- include/linux/netdevice.h | 2 +- net/802/psnap.c | 2 +- net/appletalk/ddp.c | 4 ++-- net/core/datagram.c | 2 +- net/core/dev_mcast.c | 2 +- net/core/skbuff.c | 2 +- net/core/stream.c | 2 +- net/ipv4/icmp.c | 2 +- net/ipv4/igmp.c | 2 +- net/ipv4/ip_fragment.c | 2 +- net/ipv4/ip_input.c | 2 +- net/ipv4/ipip.c | 2 +- net/ipv4/ipmr.c | 2 +- net/ipv4/udp.c | 2 +- net/netlink/af_netlink.c | 2 +- net/sunrpc/xprtsock.c | 4 ++-- net/unix/af_unix.c | 2 +- 37 files changed, 47 insertions(+), 45 deletions(-) diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c index 5ba4bab6d43e..7d15e7c6bcad 100644 --- a/drivers/net/3c501.c +++ b/drivers/net/3c501.c @@ -17,7 +17,7 @@ Annapolis MD 21403 Fixed (again!) the missing interrupt locking on TX/RX shifting. - Alan Cox + Alan Cox Removed calls to init_etherdev since they are no longer needed, and cleaned up modularization just a bit. The driver still allows only @@ -29,16 +29,16 @@ the board. Now getting 150K/second FTP with a 3c501 card. Still playing with a TX-TX optimisation to see if we can touch 180-200K/second as seems theoretically maximum. - 19950402 Alan Cox + 19950402 Alan Cox Cleaned up for 2.3.x because we broke SMP now. - 20000208 Alan Cox + 20000208 Alan Cox Check up pass for 2.5. Nothing significant changed - 20021009 Alan Cox + 20021009 Alan Cox Fixed zero fill corner case - 20030104 Alan Cox + 20030104 Alan Cox For the avoidance of doubt the "preferred form" of this code is one which @@ -104,7 +104,7 @@ static const char version[] = - DRV_NAME ".c: " DRV_VERSION " Alan Cox (alan@redhat.com).\n"; + DRV_NAME ".c: " DRV_VERSION " Alan Cox (alan@lxorguk.ukuu.org.uk).\n"; /* * Braindamage remaining: diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c index e4e3241628d6..a0f8b6e2d0af 100644 --- a/drivers/net/3c515.c +++ b/drivers/net/3c515.c @@ -18,7 +18,7 @@ 2001/11/17 - Added ethtool support (jgarzik) - 2002/10/28 - Locking updates for 2.5 (alan@redhat.com) + 2002/10/28 - Locking updates for 2.5 (alan@lxorguk.ukuu.org.uk) */ diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index a0b4c8516073..735fc9476403 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -4,7 +4,7 @@ * - Jay Schulist * * With more than a little help from; - * - Alan Cox + * - Alan Cox * * Derived from: * - skeleton.c: A network driver outline for linux. diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c index 795c594a4b7c..b751c1b96cfa 100644 --- a/drivers/net/eexpress.c +++ b/drivers/net/eexpress.c @@ -8,7 +8,7 @@ * * Many modifications, and currently maintained, by * Philip Blundell - * Added the Compaq LTE Alan Cox + * Added the Compaq LTE Alan Cox * Added MCA support Adam Fritzler * * Note - this driver is experimental still - it has problems on faster diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c index 95e3464068db..f02764725a22 100644 --- a/drivers/net/ibmlana.c +++ b/drivers/net/ibmlana.c @@ -71,7 +71,7 @@ History: June 1st, 2000 corrected version codes, added support for the latest 2.3 changes Oct 28th, 2002 - cleaned up for the 2.5 tree + cleaned up for the 2.5 tree *************************************************************************/ diff --git a/drivers/net/macmace.c b/drivers/net/macmace.c index 51ad3765e075..85587a6667b9 100644 --- a/drivers/net/macmace.c +++ b/drivers/net/macmace.c @@ -9,7 +9,7 @@ * 2 of the License, or (at your option) any later version. * * Copyright (C) 1996 Paul Mackerras. - * Copyright (C) 1998 Alan Cox + * Copyright (C) 1998 Alan Cox * * Modified heavily by Joshua M. Thompson based on Dave Huang's NetBSD driver * diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 549a64558420..29bd8532d323 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -15,7 +15,7 @@ incorporated herein by reference. Donald Becker may be reached at becker@scyld.com - Updated for 2.5.x by Alan Cox + Updated for 2.5.x by Alan Cox ======================================================================*/ diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c index cfcbea9b7e2e..ee5dcbfd0ba9 100644 --- a/drivers/net/pcmcia/nmclan_cs.c +++ b/drivers/net/pcmcia/nmclan_cs.c @@ -69,7 +69,7 @@ Driver Notes and Issues History ------------------------------------------------------------------------------- Log: nmclan_cs.c,v - * 2.5.75-ac1 2003/07/11 Alan Cox + * 2.5.75-ac1 2003/07/11 Alan Cox * Fixed hang on card eject as we probe it * Cleaned up to use new style locking. * diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index ec871f646766..c41d68761364 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -29,7 +29,8 @@ * * Tigran Aivazian : TLan_PciProbe() now uses * new PCI BIOS interface. - * Alan Cox : Fixed the out of memory + * Alan Cox : + * Fixed the out of memory * handling. * * Torben Mathiasen New Maintainer! diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c index fa73e6eed6be..ed50d288e494 100644 --- a/drivers/net/tokenring/smctr.c +++ b/drivers/net/tokenring/smctr.c @@ -25,7 +25,7 @@ * To do: * 1. Multicast support. * - * Initial 2.5 cleanup Alan Cox 2002/10/28 + * Initial 2.5 cleanup Alan Cox 2002/10/28 */ #include diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c index 656200472fa1..8e46a513a252 100644 --- a/drivers/net/tulip/dmfe.c +++ b/drivers/net/tulip/dmfe.c @@ -23,7 +23,7 @@ Marcelo Tosatti : Made it compile in 2.3 (device to net_device) - Alan Cox : + Alan Cox : Cleaned up for kernel merge. Removed the back compatibility support Reformatted, fixing spelling etc as I went @@ -49,7 +49,7 @@ support. Updated PCI resource allocation. Do not forget to unmap PCI mapped skbs. - Alan Cox + Alan Cox Added new PCI identifiers provided by Clear Zhang at ALi for their 1563 ethernet device. diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index ad20f96edfa1..2dced383bcfb 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -12,7 +12,7 @@ * Scatter gather * More testing * - * The changes are (c) Copyright 2004, Red Hat Inc. + * The changes are (c) Copyright 2004, Red Hat Inc. * Additional fixes and clean up: Francois Romieu * * This source has not been verified for use in safety critical systems. diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c index 243bd8d918fe..ccd9cd35ecbe 100644 --- a/drivers/net/wan/z85230.c +++ b/drivers/net/wan/z85230.c @@ -18,7 +18,8 @@ * DMA now uses get_free_page as kmalloc buffers may span a 64K * boundary. * - * Modified for SMP safety and SMP locking by Alan Cox + * Modified for SMP safety and SMP locking by Alan Cox + * * * Performance * diff --git a/drivers/net/wan/z85230.h b/drivers/net/wan/z85230.h index 4f372396c512..85b3e785d484 100644 --- a/drivers/net/wan/z85230.h +++ b/drivers/net/wan/z85230.h @@ -2,7 +2,7 @@ * Description of Z8530 Z85C30 and Z85230 communications chips * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Alan Cox + * Copyright (C) 1998 Alan Cox */ #ifndef _Z8530_H diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c index 136220b5ca81..e939a73ff794 100644 --- a/drivers/net/wireless/wavelan.c +++ b/drivers/net/wireless/wavelan.c @@ -4387,7 +4387,7 @@ MODULE_LICENSE("GPL"); * * Thanks go also to: * James Ashton (jaa101@syseng.anu.edu.au), - * Alan Cox (alan@redhat.com), + * Alan Cox (alan@lxorguk.ukuu.org.uk), * Allan Creighton (allanc@cs.usyd.edu.au), * Matthew Geier (matthew@cs.usyd.edu.au), * Remo di Giovanni (remo@cs.usyd.edu.au), diff --git a/drivers/net/wireless/wavelan.p.h b/drivers/net/wireless/wavelan.p.h index b33ac47dd8df..44d31bbf39e4 100644 --- a/drivers/net/wireless/wavelan.p.h +++ b/drivers/net/wireless/wavelan.p.h @@ -186,7 +186,7 @@ * * Thanks go also to: * James Ashton , - * Alan Cox , + * Alan Cox , * Allan Creighton , * Matthew Geier , * Remo di Giovanni , diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index bf1a53b2682e..7f3c735f422b 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -9,7 +9,7 @@ * * Author: Fred N. van Kempen, * Donald Becker, - * Alan Cox, + * Alan Cox, * Steve Whitehouse, * * This program is free software; you can redistribute it and/or diff --git a/include/linux/if_fddi.h b/include/linux/if_fddi.h index ae77daed6c2f..45de1046dbbf 100644 --- a/include/linux/if_fddi.h +++ b/include/linux/if_fddi.h @@ -12,7 +12,7 @@ * if_fddi.h is based on previous if_ether.h and if_tr.h work by * Fred N. van Kempen, * Donald Becker, - * Alan Cox, + * Alan Cox, * Steve Whitehouse, * Peter De Schrijver, * diff --git a/include/linux/if_hippi.h b/include/linux/if_hippi.h index 94d31ca7d71a..f0f23516bb59 100644 --- a/include/linux/if_hippi.h +++ b/include/linux/if_hippi.h @@ -9,7 +9,7 @@ * * Author: Fred N. van Kempen, * Donald Becker, - * Alan Cox, + * Alan Cox, * Steve Whitehouse, * Jes Sorensen, * diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 7bb3c095c15b..f734a0ba0698 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -2,7 +2,7 @@ * Linux NET3: Internet Group Management Protocol [IGMP] * * Authors: - * Alan Cox + * Alan Cox * * Extended to talk the BSD extended IGMP protocol of mrouted 3.6 * diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d3ea3de70a8a..64875859d654 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -11,7 +11,7 @@ * Fred N. van Kempen, * Corey Minyard * Donald J. Becker, - * Alan Cox, + * Alan Cox, * Bjorn Ekwall. * Pekka Riikonen * diff --git a/net/802/psnap.c b/net/802/psnap.c index b3cfe5a14fca..70980baeb682 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -1,7 +1,7 @@ /* * SNAP data link layer. Derived from 802.2 * - * Alan Cox , + * Alan Cox , * from the 802.2 layer by Greg Page. * Merged in additions from Greg Page's psnap.c. * diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 0c850427a85b..d3134e7e6ee8 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -2,7 +2,7 @@ * DDP: An implementation of the AppleTalk DDP protocol for * Ethernet 'ELAP'. * - * Alan Cox + * Alan Cox * * With more than a little assistance from * @@ -1934,6 +1934,6 @@ static void __exit atalk_exit(void) module_exit(atalk_exit); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Alan Cox "); +MODULE_AUTHOR("Alan Cox "); MODULE_DESCRIPTION("AppleTalk 0.20\n"); MODULE_ALIAS_NETPROTO(PF_APPLETALK); diff --git a/net/core/datagram.c b/net/core/datagram.c index 52f577a0f544..ee631843c2f5 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -9,7 +9,7 @@ * identical recvmsg() code. So we share it here. The poll was * shared before but buried in udp.c so I moved it. * - * Authors: Alan Cox . (datagram_poll() from old + * Authors: Alan Cox . (datagram_poll() from old * udp.c code) * * Fixes: diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c index 5402b3b38e0d..9e2fa39f22a3 100644 --- a/net/core/dev_mcast.c +++ b/net/core/dev_mcast.c @@ -6,7 +6,7 @@ * Richard Underwood * * Stir fried together from the IP multicast and CAP patches above - * Alan Cox + * Alan Cox * * Fixes: * Alan Cox : Update the device on a real delete diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 7f7bb1a636d9..4e22e3a35359 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1,7 +1,7 @@ /* * Routines having to do with the 'struct sk_buff' memory handlers. * - * Authors: Alan Cox + * Authors: Alan Cox * Florian La Roche * * Fixes: diff --git a/net/core/stream.c b/net/core/stream.c index a6b3437ff082..8727cead64ad 100644 --- a/net/core/stream.c +++ b/net/core/stream.c @@ -9,7 +9,7 @@ * * Authors: Arnaldo Carvalho de Melo * (from old tcp.c code) - * Alan Cox (Borrowed comments 8-)) + * Alan Cox (Borrowed comments 8-)) */ #include diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 55c355e63234..72b2de76f1cd 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -1,7 +1,7 @@ /* * NET3: Implementation of the ICMP protocol layer. * - * Alan Cox, + * Alan Cox, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 7f9e337e3908..a0d86455c53e 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -9,7 +9,7 @@ * seems to fall out with gcc 2.6.2. * * Authors: - * Alan Cox + * Alan Cox * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 2152d222b954..e4f81f54befe 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -6,7 +6,7 @@ * The IP fragmentation functionality. * * Authors: Fred N. van Kempen - * Alan Cox + * Alan Cox * * Fixes: * Alan Cox : Split from ip.c , see ip_input.c for history. diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index e0bed56c51f1..861978a4f1a8 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -8,7 +8,7 @@ * Authors: Ross Biro * Fred N. van Kempen, * Donald Becker, - * Alan Cox, + * Alan Cox, * Richard Underwood * Stefan Becker, * Jorge Cwik, diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 4c6d2caf9203..29609d29df76 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -41,7 +41,7 @@ Made the tunnels use dev->name not tunnel: when error reporting. Added tx_dropped stat - -Alan Cox (Alan.Cox@linux.org) 21 March 95 + -Alan Cox (alan@lxorguk.ukuu.org.uk) 21 March 95 Reworked: Changed to tunnel to destination gateway in addition to the diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index c519b8d30eee..b42e082cc170 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1,7 +1,7 @@ /* * IP multicast routing support for mrouted 3.6/3.8 * - * (c) 1995 Alan Cox, + * (c) 1995 Alan Cox, * Linux Consultancy and Custom Driver Development * * This program is free software; you can redistribute it and/or diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index eacf4cfef146..2095abc3caba 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -8,7 +8,7 @@ * Authors: Ross Biro * Fred N. van Kempen, * Arnt Gulbrandsen, - * Alan Cox, + * Alan Cox, * Hirokazu Takahashi, * * Fixes: diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index b0eacc0007cc..2fd8afac5f71 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1,7 +1,7 @@ /* * NETLINK Kernel-user communication protocol. * - * Authors: Alan Cox + * Authors: Alan Cox * Alexey Kuznetsov * * This program is free software; you can redistribute it and/or diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 4486c59c3aca..9a288d5eea64 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -3,8 +3,8 @@ * * Client-side transport implementation for sockets. * - * TCP callback races fixes (C) 1998 Red Hat Software - * TCP send fixes (C) 1998 Red Hat Software + * TCP callback races fixes (C) 1998 Red Hat + * TCP send fixes (C) 1998 Red Hat * TCP NFS related read + write fixes * (C) 1999 Dave Airlie, University of Limerick, Ireland * diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 015606b54d9b..c647aab8d418 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1,7 +1,7 @@ /* * NET4: Implementation of BSD Unix domain sockets. * - * Authors: Alan Cox, + * Authors: Alan Cox, * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License -- GitLab From 5bd8a05e937b3ab88cd7ea569e32738f36c42bd0 Mon Sep 17 00:00:00 2001 From: Colin B Macdonald Date: Sat, 11 Oct 2008 18:16:38 -0400 Subject: [PATCH 4565/6244] Input: i8042 - add Thinkpad R31 to nomux list Thinkpad R31 needs i8042 nomux quirk. Stops jittery jumping mouse and random keyboard input. Fixes kernel bug #11723. Cherry picked from Ubuntu who have sometimes (on-again-off-again) had a fix in their patched kernels. Signed-off-by: Colin B Macdonald Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042-x86ia64io.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index fe732a574ec2..9f39e26a53d8 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -322,6 +322,13 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"), }, }, + { + .ident = "IBM 2656", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "IBM"), + DMI_MATCH(DMI_PRODUCT_NAME, "2656"), + }, + }, { } }; -- GitLab From b8d055a878ee0f997ded40649701089d2486f850 Mon Sep 17 00:00:00 2001 From: Liam Girdwood Date: Mon, 13 Oct 2008 23:00:15 -0400 Subject: [PATCH 4566/6244] Input: wm97xx - update email address for Liam Girdwood This updates the email address for Liam Girdwood as my old address is no longer valid. Signed-off-by: Liam Girdwood Signed-off-by: Dmitry Torokhov --- MAINTAINERS | 2 +- drivers/input/touchscreen/mainstone-wm97xx.c | 5 ++--- drivers/input/touchscreen/wm9705.c | 5 ++--- drivers/input/touchscreen/wm9712.c | 5 ++--- drivers/input/touchscreen/wm9713.c | 5 ++--- drivers/input/touchscreen/wm97xx-core.c | 5 ++--- 6 files changed, 11 insertions(+), 16 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index deedc0d827b5..a36fd755207a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4574,7 +4574,7 @@ WM97XX TOUCHSCREEN DRIVERS P: Mark Brown M: broonie@opensource.wolfsonmicro.com P: Liam Girdwood -M: liam.girdwood@wolfsonmicro.com +M: lrg@slimlogic.co.uk L: linux-input@vger.kernel.org T: git git://opensource.wolfsonmicro.com/linux-2.6-touch W: http://opensource.wolfsonmicro.com/node/7 diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c index 590a1379aa32..09ec98fb9024 100644 --- a/drivers/input/touchscreen/mainstone-wm97xx.c +++ b/drivers/input/touchscreen/mainstone-wm97xx.c @@ -3,8 +3,7 @@ * Wolfson WM97xx AC97 Codecs. * * Copyright 2004, 2007 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * Parts Copyright : Ian Molton * Andrew Zabolotny * @@ -297,6 +296,6 @@ module_init(mainstone_wm97xx_init); module_exit(mainstone_wm97xx_exit); /* Module information */ -MODULE_AUTHOR("Liam Girdwood "); +MODULE_AUTHOR("Liam Girdwood "); MODULE_DESCRIPTION("wm97xx continuous touch driver for mainstone"); MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/wm9705.c b/drivers/input/touchscreen/wm9705.c index 978e1a13ffc7..2847c00fdfaa 100644 --- a/drivers/input/touchscreen/wm9705.c +++ b/drivers/input/touchscreen/wm9705.c @@ -2,8 +2,7 @@ * wm9705.c -- Codec driver for Wolfson WM9705 AC97 Codec. * * Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * Parts Copyright : Ian Molton * Andrew Zabolotny * Russell King @@ -348,6 +347,6 @@ struct wm97xx_codec_drv wm9705_codec = { EXPORT_SYMBOL_GPL(wm9705_codec); /* Module information */ -MODULE_AUTHOR("Liam Girdwood "); +MODULE_AUTHOR("Liam Girdwood "); MODULE_DESCRIPTION("WM9705 Touch Screen Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c index 4c5d85a249ae..e2085da1c79f 100644 --- a/drivers/input/touchscreen/wm9712.c +++ b/drivers/input/touchscreen/wm9712.c @@ -2,8 +2,7 @@ * wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs. * * Copyright 2003, 2004, 2005, 2006, 2007 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * Parts Copyright : Ian Molton * Andrew Zabolotny * Russell King @@ -463,6 +462,6 @@ struct wm97xx_codec_drv wm9712_codec = { EXPORT_SYMBOL_GPL(wm9712_codec); /* Module information */ -MODULE_AUTHOR("Liam Girdwood "); +MODULE_AUTHOR("Liam Girdwood "); MODULE_DESCRIPTION("WM9712 Touch Screen Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c index 838458792ea0..1a98369a66b7 100644 --- a/drivers/input/touchscreen/wm9713.c +++ b/drivers/input/touchscreen/wm9713.c @@ -2,8 +2,7 @@ * wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec. * * Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * Parts Copyright : Ian Molton * Andrew Zabolotny * Russell King @@ -477,6 +476,6 @@ struct wm97xx_codec_drv wm9713_codec = { EXPORT_SYMBOL_GPL(wm9713_codec); /* Module information */ -MODULE_AUTHOR("Liam Girdwood "); +MODULE_AUTHOR("Liam Girdwood "); MODULE_DESCRIPTION("WM9713 Touch Screen Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c index cdc24ad314e0..8937a9e567b2 100644 --- a/drivers/input/touchscreen/wm97xx-core.c +++ b/drivers/input/touchscreen/wm97xx-core.c @@ -3,8 +3,7 @@ * and WM9713 AC97 Codecs. * * Copyright 2003, 2004, 2005, 2006, 2007, 2008 Wolfson Microelectronics PLC. - * Author: Liam Girdwood - * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com + * Author: Liam Girdwood * Parts Copyright : Ian Molton * Andrew Zabolotny * Russell King @@ -825,6 +824,6 @@ module_init(wm97xx_init); module_exit(wm97xx_exit); /* Module information */ -MODULE_AUTHOR("Liam Girdwood "); +MODULE_AUTHOR("Liam Girdwood "); MODULE_DESCRIPTION("WM97xx Core - Touch Screen / AUX ADC / GPIO Driver"); MODULE_LICENSE("GPL"); -- GitLab From d21995e3e3acb78e8c48c6631432a3bff191bc46 Mon Sep 17 00:00:00 2001 From: Matthew Ranostay Date: Mon, 13 Oct 2008 13:22:45 -0400 Subject: [PATCH 4567/6244] ALSA: hda: fix nid variable warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixed compiler warning with possible uninitialized variable 'nid'. CC [M] /home/mranostay/git/alsa-driver/pci/hda/patch_sigmatel.o /home/mranostay/git/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/patch_sigmatel.c: In function ‘stac92xx_parse_auto_config’: /home/mranostay/git/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/patch_sigmatel.c:2815: warning: ‘nid’ may be used uninitialized in this function Signed-off-by: Matthew Ranostay Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index c59065513118..a2ac7205d45d 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2816,7 +2816,7 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, static const char *chname[4] = { "Front", "Surround", NULL /*CLFE*/, "Side" }; - hda_nid_t nid; + hda_nid_t nid = 0; int i, err; struct sigmatel_spec *spec = codec->spec; -- GitLab From d5d8d83773165b951d190717637bfbc1eb0111a0 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 13 Oct 2008 19:16:14 +0100 Subject: [PATCH 4568/6244] ALSA: ASoC: Hide TLV320AIC26 configuration option for non-OpenFirwmare users Make the visibility of the tristate conditional on having the OpenFirmware helper code enabed so that users who can't use it don't see the visible option. Kconfig ignores dependencies for select so other users are unaffected. Thanks to Takashi for the suggestion. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/codecs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 4975d8573e4f..38a0e3b620a7 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -68,7 +68,7 @@ config SND_SOC_TLV320AIC23 depends on I2C config SND_SOC_TLV320AIC26 - tristate "TI TLV320AIC26 Codec support" + tristate "TI TLV320AIC26 Codec support" if SND_SOC_OF_SIMPLE depends on SPI config SND_SOC_TLV320AIC3X -- GitLab From 485013717020cd8961337309e359d6cef43d6022 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 13 Oct 2008 22:55:59 -0700 Subject: [PATCH 4569/6244] qlge: Fix page size ifdef test. This ASIC does support all page sizes. For 4k and 8k page size the TX control block needs an external scatter gather list. For page sizes larger than 8k the max frags is satisfied by the original TX control block. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller --- drivers/net/qlge/qlge.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index c37ea436c918..38116f9d4163 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -58,7 +58,7 @@ */ #if (PAGE_SHIFT == 12) || (PAGE_SHIFT == 13) /* 4k & 8k pages */ #define TX_DESC_PER_OAL ((MAX_SKB_FRAGS - TX_DESC_PER_IOCB) + 2) -#elif (PAGE_SHIFT == 16) /* 64k pages */ +#else /* all other page sizes */ #define TX_DESC_PER_OAL 0 #endif -- GitLab From 97e1c18e8d17bd87e1e383b2e9d9fc740332c8e2 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 18 Jul 2008 12:16:16 -0400 Subject: [PATCH 4570/6244] tracing: Kernel Tracepoints Implementation of kernel tracepoints. Inspired from the Linux Kernel Markers. Allows complete typing verification by declaring both tracing statement inline functions and probe registration/unregistration static inline functions within the same macro "DEFINE_TRACE". No format string is required. See the tracepoint Documentation and Samples patches for usage examples. Taken from the documentation patch : "A tracepoint placed in code provides a hook to call a function (probe) that you can provide at runtime. A tracepoint can be "on" (a probe is connected to it) or "off" (no probe is attached). When a tracepoint is "off" it has no effect, except for adding a tiny time penalty (checking a condition for a branch) and space penalty (adding a few bytes for the function call at the end of the instrumented function and adds a data structure in a separate section). When a tracepoint is "on", the function you provide is called each time the tracepoint is executed, in the execution context of the caller. When the function provided ends its execution, it returns to the caller (continuing from the tracepoint site). You can put tracepoints at important locations in the code. They are lightweight hooks that can pass an arbitrary number of parameters, which prototypes are described in a tracepoint declaration placed in a header file." Addition and removal of tracepoints is synchronized by RCU using the scheduler (and preempt_disable) as guarantees to find a quiescent state (this is really RCU "classic"). The update side uses rcu_barrier_sched() with call_rcu_sched() and the read/execute side uses "preempt_disable()/preempt_enable()". We make sure the previous array containing probes, which has been scheduled for deletion by the rcu callback, is indeed freed before we proceed to the next update. It therefore limits the rate of modification of a single tracepoint to one update per RCU period. The objective here is to permit fast batch add/removal of probes on _different_ tracepoints. Changelog : - Use #name ":" #proto as string to identify the tracepoint in the tracepoint table. This will make sure not type mismatch happens due to connexion of a probe with the wrong type to a tracepoint declared with the same name in a different header. - Add tracepoint_entry_free_old. - Change __TO_TRACE to get rid of the 'i' iterator. Masami Hiramatsu : Tested on x86-64. Performance impact of a tracepoint : same as markers, except that it adds about 70 bytes of instructions in an unlikely branch of each instrumented function (the for loop, the stack setup and the function call). It currently adds a memory read, a test and a conditional branch at the instrumentation site (in the hot path). Immediate values will eventually change this into a load immediate, test and branch, which removes the memory read which will make the i-cache impact smaller (changing the memory read for a load immediate removes 3-4 bytes per site on x86_32 (depending on mov prefixes), or 7-8 bytes on x86_64, it also saves the d-cache hit). About the performance impact of tracepoints (which is comparable to markers), even without immediate values optimizations, tests done by Hideo Aoki on ia64 show no regression. His test case was using hackbench on a kernel where scheduler instrumentation (about 5 events in code scheduler code) was added. Quoting Hideo Aoki about Markers : I evaluated overhead of kernel marker using linux-2.6-sched-fixes git tree, which includes several markers for LTTng, using an ia64 server. While the immediate trace mark feature isn't implemented on ia64, there is no major performance regression. So, I think that we don't have any issues to propose merging marker point patches into Linus's tree from the viewpoint of performance impact. I prepared two kernels to evaluate. The first one was compiled without CONFIG_MARKERS. The second one was enabled CONFIG_MARKERS. I downloaded the original hackbench from the following URL: http://devresources.linux-foundation.org/craiger/hackbench/src/hackbench.c I ran hackbench 5 times in each condition and calculated the average and difference between the kernels. The parameter of hackbench: every 50 from 50 to 800 The number of CPUs of the server: 2, 4, and 8 Below is the results. As you can see, major performance regression wasn't found in any case. Even if number of processes increases, differences between marker-enabled kernel and marker- disabled kernel doesn't increase. Moreover, if number of CPUs increases, the differences doesn't increase either. Curiously, marker-enabled kernel is better than marker-disabled kernel in more than half cases, although I guess it comes from the difference of memory access pattern. * 2 CPUs Number of | without | with | diff | diff | processes | Marker [Sec] | Marker [Sec] | [Sec] | [%] | -------------------------------------------------------------- 50 | 4.811 | 4.872 | +0.061 | +1.27 | 100 | 9.854 | 10.309 | +0.454 | +4.61 | 150 | 15.602 | 15.040 | -0.562 | -3.6 | 200 | 20.489 | 20.380 | -0.109 | -0.53 | 250 | 25.798 | 25.652 | -0.146 | -0.56 | 300 | 31.260 | 30.797 | -0.463 | -1.48 | 350 | 36.121 | 35.770 | -0.351 | -0.97 | 400 | 42.288 | 42.102 | -0.186 | -0.44 | 450 | 47.778 | 47.253 | -0.526 | -1.1 | 500 | 51.953 | 52.278 | +0.325 | +0.63 | 550 | 58.401 | 57.700 | -0.701 | -1.2 | 600 | 63.334 | 63.222 | -0.112 | -0.18 | 650 | 68.816 | 68.511 | -0.306 | -0.44 | 700 | 74.667 | 74.088 | -0.579 | -0.78 | 750 | 78.612 | 79.582 | +0.970 | +1.23 | 800 | 85.431 | 85.263 | -0.168 | -0.2 | -------------------------------------------------------------- * 4 CPUs Number of | without | with | diff | diff | processes | Marker [Sec] | Marker [Sec] | [Sec] | [%] | -------------------------------------------------------------- 50 | 2.586 | 2.584 | -0.003 | -0.1 | 100 | 5.254 | 5.283 | +0.030 | +0.56 | 150 | 8.012 | 8.074 | +0.061 | +0.76 | 200 | 11.172 | 11.000 | -0.172 | -1.54 | 250 | 13.917 | 14.036 | +0.119 | +0.86 | 300 | 16.905 | 16.543 | -0.362 | -2.14 | 350 | 19.901 | 20.036 | +0.135 | +0.68 | 400 | 22.908 | 23.094 | +0.186 | +0.81 | 450 | 26.273 | 26.101 | -0.172 | -0.66 | 500 | 29.554 | 29.092 | -0.461 | -1.56 | 550 | 32.377 | 32.274 | -0.103 | -0.32 | 600 | 35.855 | 35.322 | -0.533 | -1.49 | 650 | 39.192 | 38.388 | -0.804 | -2.05 | 700 | 41.744 | 41.719 | -0.025 | -0.06 | 750 | 45.016 | 44.496 | -0.520 | -1.16 | 800 | 48.212 | 47.603 | -0.609 | -1.26 | -------------------------------------------------------------- * 8 CPUs Number of | without | with | diff | diff | processes | Marker [Sec] | Marker [Sec] | [Sec] | [%] | -------------------------------------------------------------- 50 | 2.094 | 2.072 | -0.022 | -1.07 | 100 | 4.162 | 4.273 | +0.111 | +2.66 | 150 | 6.485 | 6.540 | +0.055 | +0.84 | 200 | 8.556 | 8.478 | -0.078 | -0.91 | 250 | 10.458 | 10.258 | -0.200 | -1.91 | 300 | 12.425 | 12.750 | +0.325 | +2.62 | 350 | 14.807 | 14.839 | +0.032 | +0.22 | 400 | 16.801 | 16.959 | +0.158 | +0.94 | 450 | 19.478 | 19.009 | -0.470 | -2.41 | 500 | 21.296 | 21.504 | +0.208 | +0.98 | 550 | 23.842 | 23.979 | +0.137 | +0.57 | 600 | 26.309 | 26.111 | -0.198 | -0.75 | 650 | 28.705 | 28.446 | -0.259 | -0.9 | 700 | 31.233 | 31.394 | +0.161 | +0.52 | 750 | 34.064 | 33.720 | -0.344 | -1.01 | 800 | 36.320 | 36.114 | -0.206 | -0.57 | -------------------------------------------------------------- Signed-off-by: Mathieu Desnoyers Acked-by: Masami Hiramatsu Acked-by: 'Peter Zijlstra' Signed-off-by: Ingo Molnar --- include/asm-generic/vmlinux.lds.h | 6 +- include/linux/module.h | 17 ++ include/linux/tracepoint.h | 127 ++++++++ init/Kconfig | 7 + kernel/Makefile | 1 + kernel/module.c | 66 ++++- kernel/tracepoint.c | 476 ++++++++++++++++++++++++++++++ 7 files changed, 698 insertions(+), 2 deletions(-) create mode 100644 include/linux/tracepoint.h create mode 100644 kernel/tracepoint.c diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7440a0dceddb..3d8e472a09c8 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -52,7 +52,10 @@ . = ALIGN(8); \ VMLINUX_SYMBOL(__start___markers) = .; \ *(__markers) \ - VMLINUX_SYMBOL(__stop___markers) = .; + VMLINUX_SYMBOL(__stop___markers) = .; \ + VMLINUX_SYMBOL(__start___tracepoints) = .; \ + *(__tracepoints) \ + VMLINUX_SYMBOL(__stop___tracepoints) = .; #define RO_DATA(align) \ . = ALIGN((align)); \ @@ -61,6 +64,7 @@ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ *(__markers_strings) /* Markers: strings */ \ + *(__tracepoints_strings)/* Tracepoints: strings */ \ } \ \ .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ diff --git a/include/linux/module.h b/include/linux/module.h index 68e09557c951..8b6113503863 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -331,6 +332,10 @@ struct module struct marker *markers; unsigned int num_markers; #endif +#ifdef CONFIG_TRACEPOINTS + struct tracepoint *tracepoints; + unsigned int num_tracepoints; +#endif #ifdef CONFIG_MODULE_UNLOAD /* What modules depend on me? */ @@ -454,6 +459,9 @@ extern void print_modules(void); extern void module_update_markers(void); +extern void module_update_tracepoints(void); +extern int module_get_iter_tracepoints(struct tracepoint_iter *iter); + #else /* !CONFIG_MODULES... */ #define EXPORT_SYMBOL(sym) #define EXPORT_SYMBOL_GPL(sym) @@ -558,6 +566,15 @@ static inline void module_update_markers(void) { } +static inline void module_update_tracepoints(void) +{ +} + +static inline int module_get_iter_tracepoints(struct tracepoint_iter *iter) +{ + return 0; +} + #endif /* CONFIG_MODULES */ struct device_driver; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h new file mode 100644 index 000000000000..e623a6fca5c3 --- /dev/null +++ b/include/linux/tracepoint.h @@ -0,0 +1,127 @@ +#ifndef _LINUX_TRACEPOINT_H +#define _LINUX_TRACEPOINT_H + +/* + * Kernel Tracepoint API. + * + * See Documentation/tracepoint.txt. + * + * (C) Copyright 2008 Mathieu Desnoyers + * + * Heavily inspired from the Linux Kernel Markers. + * + * This file is released under the GPLv2. + * See the file COPYING for more details. + */ + +#include +#include + +struct module; +struct tracepoint; + +struct tracepoint { + const char *name; /* Tracepoint name */ + int state; /* State. */ + void **funcs; +} __attribute__((aligned(8))); + + +#define TPPROTO(args...) args +#define TPARGS(args...) args + +#ifdef CONFIG_TRACEPOINTS + +/* + * it_func[0] is never NULL because there is at least one element in the array + * when the array itself is non NULL. + */ +#define __DO_TRACE(tp, proto, args) \ + do { \ + void **it_func; \ + \ + rcu_read_lock_sched(); \ + it_func = rcu_dereference((tp)->funcs); \ + if (it_func) { \ + do { \ + ((void(*)(proto))(*it_func))(args); \ + } while (*(++it_func)); \ + } \ + rcu_read_unlock_sched(); \ + } while (0) + +/* + * Make sure the alignment of the structure in the __tracepoints section will + * not add unwanted padding between the beginning of the section and the + * structure. Force alignment to the same alignment as the section start. + */ +#define DEFINE_TRACE(name, proto, args) \ + static inline void trace_##name(proto) \ + { \ + static const char __tpstrtab_##name[] \ + __attribute__((section("__tracepoints_strings"))) \ + = #name ":" #proto; \ + static struct tracepoint __tracepoint_##name \ + __attribute__((section("__tracepoints"), aligned(8))) = \ + { __tpstrtab_##name, 0, NULL }; \ + if (unlikely(__tracepoint_##name.state)) \ + __DO_TRACE(&__tracepoint_##name, \ + TPPROTO(proto), TPARGS(args)); \ + } \ + static inline int register_trace_##name(void (*probe)(proto)) \ + { \ + return tracepoint_probe_register(#name ":" #proto, \ + (void *)probe); \ + } \ + static inline void unregister_trace_##name(void (*probe)(proto))\ + { \ + tracepoint_probe_unregister(#name ":" #proto, \ + (void *)probe); \ + } + +extern void tracepoint_update_probe_range(struct tracepoint *begin, + struct tracepoint *end); + +#else /* !CONFIG_TRACEPOINTS */ +#define DEFINE_TRACE(name, proto, args) \ + static inline void _do_trace_##name(struct tracepoint *tp, proto) \ + { } \ + static inline void trace_##name(proto) \ + { } \ + static inline int register_trace_##name(void (*probe)(proto)) \ + { \ + return -ENOSYS; \ + } \ + static inline void unregister_trace_##name(void (*probe)(proto))\ + { } + +static inline void tracepoint_update_probe_range(struct tracepoint *begin, + struct tracepoint *end) +{ } +#endif /* CONFIG_TRACEPOINTS */ + +/* + * Connect a probe to a tracepoint. + * Internal API, should not be used directly. + */ +extern int tracepoint_probe_register(const char *name, void *probe); + +/* + * Disconnect a probe from a tracepoint. + * Internal API, should not be used directly. + */ +extern int tracepoint_probe_unregister(const char *name, void *probe); + +struct tracepoint_iter { + struct module *module; + struct tracepoint *tracepoint; +}; + +extern void tracepoint_iter_start(struct tracepoint_iter *iter); +extern void tracepoint_iter_next(struct tracepoint_iter *iter); +extern void tracepoint_iter_stop(struct tracepoint_iter *iter); +extern void tracepoint_iter_reset(struct tracepoint_iter *iter); +extern int tracepoint_get_iter_range(struct tracepoint **tracepoint, + struct tracepoint *begin, struct tracepoint *end); + +#endif diff --git a/init/Kconfig b/init/Kconfig index c11da38837e5..70082678a914 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -771,6 +771,13 @@ config PROFILING Say Y here to enable the extended profiling support mechanisms used by profilers such as OProfile. +config TRACEPOINTS + bool "Activate tracepoints" + default y + help + Place an empty function call at each tracepoint site. Can be + dynamically changed for a probe function. + config MARKERS bool "Activate markers" help diff --git a/kernel/Makefile b/kernel/Makefile index 4e1d7df7c3e2..8f9ce7ec21b6 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -83,6 +83,7 @@ obj-$(CONFIG_SYSCTL) += utsname_sysctl.o obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o obj-$(CONFIG_MARKERS) += marker.o +obj-$(CONFIG_TRACEPOINTS) += tracepoint.o obj-$(CONFIG_LATENCYTOP) += latencytop.o obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o obj-$(CONFIG_FTRACE) += trace/ diff --git a/kernel/module.c b/kernel/module.c index 9db11911e04b..661d73db786e 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -46,6 +46,7 @@ #include #include #include +#include #if 0 #define DEBUGP printk @@ -1831,6 +1832,8 @@ static noinline struct module *load_module(void __user *umod, #endif unsigned int markersindex; unsigned int markersstringsindex; + unsigned int tracepointsindex; + unsigned int tracepointsstringsindex; struct module *mod; long err = 0; void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */ @@ -2117,6 +2120,9 @@ static noinline struct module *load_module(void __user *umod, markersindex = find_sec(hdr, sechdrs, secstrings, "__markers"); markersstringsindex = find_sec(hdr, sechdrs, secstrings, "__markers_strings"); + tracepointsindex = find_sec(hdr, sechdrs, secstrings, "__tracepoints"); + tracepointsstringsindex = find_sec(hdr, sechdrs, secstrings, + "__tracepoints_strings"); /* Now do relocations. */ for (i = 1; i < hdr->e_shnum; i++) { @@ -2144,6 +2150,12 @@ static noinline struct module *load_module(void __user *umod, mod->num_markers = sechdrs[markersindex].sh_size / sizeof(*mod->markers); #endif +#ifdef CONFIG_TRACEPOINTS + mod->tracepoints = (void *)sechdrs[tracepointsindex].sh_addr; + mod->num_tracepoints = + sechdrs[tracepointsindex].sh_size / sizeof(*mod->tracepoints); +#endif + /* Find duplicate symbols */ err = verify_export_symbols(mod); @@ -2162,11 +2174,16 @@ static noinline struct module *load_module(void __user *umod, add_kallsyms(mod, sechdrs, symindex, strindex, secstrings); + if (!mod->taints) { #ifdef CONFIG_MARKERS - if (!mod->taints) marker_update_probe_range(mod->markers, mod->markers + mod->num_markers); #endif +#ifdef CONFIG_TRACEPOINTS + tracepoint_update_probe_range(mod->tracepoints, + mod->tracepoints + mod->num_tracepoints); +#endif + } err = module_finalize(hdr, sechdrs, mod); if (err < 0) goto cleanup; @@ -2717,3 +2734,50 @@ void module_update_markers(void) mutex_unlock(&module_mutex); } #endif + +#ifdef CONFIG_TRACEPOINTS +void module_update_tracepoints(void) +{ + struct module *mod; + + mutex_lock(&module_mutex); + list_for_each_entry(mod, &modules, list) + if (!mod->taints) + tracepoint_update_probe_range(mod->tracepoints, + mod->tracepoints + mod->num_tracepoints); + mutex_unlock(&module_mutex); +} + +/* + * Returns 0 if current not found. + * Returns 1 if current found. + */ +int module_get_iter_tracepoints(struct tracepoint_iter *iter) +{ + struct module *iter_mod; + int found = 0; + + mutex_lock(&module_mutex); + list_for_each_entry(iter_mod, &modules, list) { + if (!iter_mod->taints) { + /* + * Sorted module list + */ + if (iter_mod < iter->module) + continue; + else if (iter_mod > iter->module) + iter->tracepoint = NULL; + found = tracepoint_get_iter_range(&iter->tracepoint, + iter_mod->tracepoints, + iter_mod->tracepoints + + iter_mod->num_tracepoints); + if (found) { + iter->module = iter_mod; + break; + } + } + } + mutex_unlock(&module_mutex); + return found; +} +#endif diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c new file mode 100644 index 000000000000..42e86ddbd2a0 --- /dev/null +++ b/kernel/tracepoint.c @@ -0,0 +1,476 @@ +/* + * Copyright (C) 2008 Mathieu Desnoyers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +extern struct tracepoint __start___tracepoints[]; +extern struct tracepoint __stop___tracepoints[]; + +/* Set to 1 to enable tracepoint debug output */ +static const int tracepoint_debug; + +/* + * tracepoints_mutex nests inside module_mutex. Tracepoints mutex protects the + * builtin and module tracepoints and the hash table. + */ +static DEFINE_MUTEX(tracepoints_mutex); + +/* + * Tracepoint hash table, containing the active tracepoints. + * Protected by tracepoints_mutex. + */ +#define TRACEPOINT_HASH_BITS 6 +#define TRACEPOINT_TABLE_SIZE (1 << TRACEPOINT_HASH_BITS) + +/* + * Note about RCU : + * It is used to to delay the free of multiple probes array until a quiescent + * state is reached. + * Tracepoint entries modifications are protected by the tracepoints_mutex. + */ +struct tracepoint_entry { + struct hlist_node hlist; + void **funcs; + int refcount; /* Number of times armed. 0 if disarmed. */ + struct rcu_head rcu; + void *oldptr; + unsigned char rcu_pending:1; + char name[0]; +}; + +static struct hlist_head tracepoint_table[TRACEPOINT_TABLE_SIZE]; + +static void free_old_closure(struct rcu_head *head) +{ + struct tracepoint_entry *entry = container_of(head, + struct tracepoint_entry, rcu); + kfree(entry->oldptr); + /* Make sure we free the data before setting the pending flag to 0 */ + smp_wmb(); + entry->rcu_pending = 0; +} + +static void tracepoint_entry_free_old(struct tracepoint_entry *entry, void *old) +{ + if (!old) + return; + entry->oldptr = old; + entry->rcu_pending = 1; + /* write rcu_pending before calling the RCU callback */ + smp_wmb(); +#ifdef CONFIG_PREEMPT_RCU + synchronize_sched(); /* Until we have the call_rcu_sched() */ +#endif + call_rcu(&entry->rcu, free_old_closure); +} + +static void debug_print_probes(struct tracepoint_entry *entry) +{ + int i; + + if (!tracepoint_debug) + return; + + for (i = 0; entry->funcs[i]; i++) + printk(KERN_DEBUG "Probe %d : %p\n", i, entry->funcs[i]); +} + +static void * +tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe) +{ + int nr_probes = 0; + void **old, **new; + + WARN_ON(!probe); + + debug_print_probes(entry); + old = entry->funcs; + if (old) { + /* (N -> N+1), (N != 0, 1) probes */ + for (nr_probes = 0; old[nr_probes]; nr_probes++) + if (old[nr_probes] == probe) + return ERR_PTR(-EEXIST); + } + /* + 2 : one for new probe, one for NULL func */ + new = kzalloc((nr_probes + 2) * sizeof(void *), GFP_KERNEL); + if (new == NULL) + return ERR_PTR(-ENOMEM); + if (old) + memcpy(new, old, nr_probes * sizeof(void *)); + new[nr_probes] = probe; + entry->refcount = nr_probes + 1; + entry->funcs = new; + debug_print_probes(entry); + return old; +} + +static void * +tracepoint_entry_remove_probe(struct tracepoint_entry *entry, void *probe) +{ + int nr_probes = 0, nr_del = 0, i; + void **old, **new; + + old = entry->funcs; + + debug_print_probes(entry); + /* (N -> M), (N > 1, M >= 0) probes */ + for (nr_probes = 0; old[nr_probes]; nr_probes++) { + if ((!probe || old[nr_probes] == probe)) + nr_del++; + } + + if (nr_probes - nr_del == 0) { + /* N -> 0, (N > 1) */ + entry->funcs = NULL; + entry->refcount = 0; + debug_print_probes(entry); + return old; + } else { + int j = 0; + /* N -> M, (N > 1, M > 0) */ + /* + 1 for NULL */ + new = kzalloc((nr_probes - nr_del + 1) + * sizeof(void *), GFP_KERNEL); + if (new == NULL) + return ERR_PTR(-ENOMEM); + for (i = 0; old[i]; i++) + if ((probe && old[i] != probe)) + new[j++] = old[i]; + entry->refcount = nr_probes - nr_del; + entry->funcs = new; + } + debug_print_probes(entry); + return old; +} + +/* + * Get tracepoint if the tracepoint is present in the tracepoint hash table. + * Must be called with tracepoints_mutex held. + * Returns NULL if not present. + */ +static struct tracepoint_entry *get_tracepoint(const char *name) +{ + struct hlist_head *head; + struct hlist_node *node; + struct tracepoint_entry *e; + u32 hash = jhash(name, strlen(name), 0); + + head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + hlist_for_each_entry(e, node, head, hlist) { + if (!strcmp(name, e->name)) + return e; + } + return NULL; +} + +/* + * Add the tracepoint to the tracepoint hash table. Must be called with + * tracepoints_mutex held. + */ +static struct tracepoint_entry *add_tracepoint(const char *name) +{ + struct hlist_head *head; + struct hlist_node *node; + struct tracepoint_entry *e; + size_t name_len = strlen(name) + 1; + u32 hash = jhash(name, name_len-1, 0); + + head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + hlist_for_each_entry(e, node, head, hlist) { + if (!strcmp(name, e->name)) { + printk(KERN_NOTICE + "tracepoint %s busy\n", name); + return ERR_PTR(-EEXIST); /* Already there */ + } + } + /* + * Using kmalloc here to allocate a variable length element. Could + * cause some memory fragmentation if overused. + */ + e = kmalloc(sizeof(struct tracepoint_entry) + name_len, GFP_KERNEL); + if (!e) + return ERR_PTR(-ENOMEM); + memcpy(&e->name[0], name, name_len); + e->funcs = NULL; + e->refcount = 0; + e->rcu_pending = 0; + hlist_add_head(&e->hlist, head); + return e; +} + +/* + * Remove the tracepoint from the tracepoint hash table. Must be called with + * mutex_lock held. + */ +static int remove_tracepoint(const char *name) +{ + struct hlist_head *head; + struct hlist_node *node; + struct tracepoint_entry *e; + int found = 0; + size_t len = strlen(name) + 1; + u32 hash = jhash(name, len-1, 0); + + head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + hlist_for_each_entry(e, node, head, hlist) { + if (!strcmp(name, e->name)) { + found = 1; + break; + } + } + if (!found) + return -ENOENT; + if (e->refcount) + return -EBUSY; + hlist_del(&e->hlist); + /* Make sure the call_rcu has been executed */ + if (e->rcu_pending) + rcu_barrier(); + kfree(e); + return 0; +} + +/* + * Sets the probe callback corresponding to one tracepoint. + */ +static void set_tracepoint(struct tracepoint_entry **entry, + struct tracepoint *elem, int active) +{ + WARN_ON(strcmp((*entry)->name, elem->name) != 0); + + /* + * rcu_assign_pointer has a smp_wmb() which makes sure that the new + * probe callbacks array is consistent before setting a pointer to it. + * This array is referenced by __DO_TRACE from + * include/linux/tracepoints.h. A matching smp_read_barrier_depends() + * is used. + */ + rcu_assign_pointer(elem->funcs, (*entry)->funcs); + elem->state = active; +} + +/* + * Disable a tracepoint and its probe callback. + * Note: only waiting an RCU period after setting elem->call to the empty + * function insures that the original callback is not used anymore. This insured + * by preempt_disable around the call site. + */ +static void disable_tracepoint(struct tracepoint *elem) +{ + elem->state = 0; +} + +/** + * tracepoint_update_probe_range - Update a probe range + * @begin: beginning of the range + * @end: end of the range + * + * Updates the probe callback corresponding to a range of tracepoints. + */ +void tracepoint_update_probe_range(struct tracepoint *begin, + struct tracepoint *end) +{ + struct tracepoint *iter; + struct tracepoint_entry *mark_entry; + + mutex_lock(&tracepoints_mutex); + for (iter = begin; iter < end; iter++) { + mark_entry = get_tracepoint(iter->name); + if (mark_entry) { + set_tracepoint(&mark_entry, iter, + !!mark_entry->refcount); + } else { + disable_tracepoint(iter); + } + } + mutex_unlock(&tracepoints_mutex); +} + +/* + * Update probes, removing the faulty probes. + */ +static void tracepoint_update_probes(void) +{ + /* Core kernel tracepoints */ + tracepoint_update_probe_range(__start___tracepoints, + __stop___tracepoints); + /* tracepoints in modules. */ + module_update_tracepoints(); +} + +/** + * tracepoint_probe_register - Connect a probe to a tracepoint + * @name: tracepoint name + * @probe: probe handler + * + * Returns 0 if ok, error value on error. + * The probe address must at least be aligned on the architecture pointer size. + */ +int tracepoint_probe_register(const char *name, void *probe) +{ + struct tracepoint_entry *entry; + int ret = 0; + void *old; + + mutex_lock(&tracepoints_mutex); + entry = get_tracepoint(name); + if (!entry) { + entry = add_tracepoint(name); + if (IS_ERR(entry)) { + ret = PTR_ERR(entry); + goto end; + } + } + /* + * If we detect that a call_rcu is pending for this tracepoint, + * make sure it's executed now. + */ + if (entry->rcu_pending) + rcu_barrier(); + old = tracepoint_entry_add_probe(entry, probe); + if (IS_ERR(old)) { + ret = PTR_ERR(old); + goto end; + } + mutex_unlock(&tracepoints_mutex); + tracepoint_update_probes(); /* may update entry */ + mutex_lock(&tracepoints_mutex); + entry = get_tracepoint(name); + WARN_ON(!entry); + tracepoint_entry_free_old(entry, old); +end: + mutex_unlock(&tracepoints_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(tracepoint_probe_register); + +/** + * tracepoint_probe_unregister - Disconnect a probe from a tracepoint + * @name: tracepoint name + * @probe: probe function pointer + * + * We do not need to call a synchronize_sched to make sure the probes have + * finished running before doing a module unload, because the module unload + * itself uses stop_machine(), which insures that every preempt disabled section + * have finished. + */ +int tracepoint_probe_unregister(const char *name, void *probe) +{ + struct tracepoint_entry *entry; + void *old; + int ret = -ENOENT; + + mutex_lock(&tracepoints_mutex); + entry = get_tracepoint(name); + if (!entry) + goto end; + if (entry->rcu_pending) + rcu_barrier(); + old = tracepoint_entry_remove_probe(entry, probe); + mutex_unlock(&tracepoints_mutex); + tracepoint_update_probes(); /* may update entry */ + mutex_lock(&tracepoints_mutex); + entry = get_tracepoint(name); + if (!entry) + goto end; + tracepoint_entry_free_old(entry, old); + remove_tracepoint(name); /* Ignore busy error message */ + ret = 0; +end: + mutex_unlock(&tracepoints_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(tracepoint_probe_unregister); + +/** + * tracepoint_get_iter_range - Get a next tracepoint iterator given a range. + * @tracepoint: current tracepoints (in), next tracepoint (out) + * @begin: beginning of the range + * @end: end of the range + * + * Returns whether a next tracepoint has been found (1) or not (0). + * Will return the first tracepoint in the range if the input tracepoint is + * NULL. + */ +int tracepoint_get_iter_range(struct tracepoint **tracepoint, + struct tracepoint *begin, struct tracepoint *end) +{ + if (!*tracepoint && begin != end) { + *tracepoint = begin; + return 1; + } + if (*tracepoint >= begin && *tracepoint < end) + return 1; + return 0; +} +EXPORT_SYMBOL_GPL(tracepoint_get_iter_range); + +static void tracepoint_get_iter(struct tracepoint_iter *iter) +{ + int found = 0; + + /* Core kernel tracepoints */ + if (!iter->module) { + found = tracepoint_get_iter_range(&iter->tracepoint, + __start___tracepoints, __stop___tracepoints); + if (found) + goto end; + } + /* tracepoints in modules. */ + found = module_get_iter_tracepoints(iter); +end: + if (!found) + tracepoint_iter_reset(iter); +} + +void tracepoint_iter_start(struct tracepoint_iter *iter) +{ + tracepoint_get_iter(iter); +} +EXPORT_SYMBOL_GPL(tracepoint_iter_start); + +void tracepoint_iter_next(struct tracepoint_iter *iter) +{ + iter->tracepoint++; + /* + * iter->tracepoint may be invalid because we blindly incremented it. + * Make sure it is valid by marshalling on the tracepoints, getting the + * tracepoints from following modules if necessary. + */ + tracepoint_get_iter(iter); +} +EXPORT_SYMBOL_GPL(tracepoint_iter_next); + +void tracepoint_iter_stop(struct tracepoint_iter *iter) +{ +} +EXPORT_SYMBOL_GPL(tracepoint_iter_stop); + +void tracepoint_iter_reset(struct tracepoint_iter *iter) +{ + iter->module = NULL; + iter->tracepoint = NULL; +} +EXPORT_SYMBOL_GPL(tracepoint_iter_reset); -- GitLab From 24b8d831d56aac7907752d22d2aba5d8127db6f6 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 18 Jul 2008 12:16:16 -0400 Subject: [PATCH 4571/6244] tracing: tracepoints, documentation Documentation of tracepoint usage. Signed-off-by: Mathieu Desnoyers Acked-by: 'Peter Zijlstra' Signed-off-by: Ingo Molnar --- Documentation/tracepoints.txt | 101 ++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 Documentation/tracepoints.txt diff --git a/Documentation/tracepoints.txt b/Documentation/tracepoints.txt new file mode 100644 index 000000000000..5d354e167494 --- /dev/null +++ b/Documentation/tracepoints.txt @@ -0,0 +1,101 @@ + Using the Linux Kernel Tracepoints + + Mathieu Desnoyers + + +This document introduces Linux Kernel Tracepoints and their use. It provides +examples of how to insert tracepoints in the kernel and connect probe functions +to them and provides some examples of probe functions. + + +* Purpose of tracepoints + +A tracepoint placed in code provides a hook to call a function (probe) that you +can provide at runtime. A tracepoint can be "on" (a probe is connected to it) or +"off" (no probe is attached). When a tracepoint is "off" it has no effect, +except for adding a tiny time penalty (checking a condition for a branch) and +space penalty (adding a few bytes for the function call at the end of the +instrumented function and adds a data structure in a separate section). When a +tracepoint is "on", the function you provide is called each time the tracepoint +is executed, in the execution context of the caller. When the function provided +ends its execution, it returns to the caller (continuing from the tracepoint +site). + +You can put tracepoints at important locations in the code. They are +lightweight hooks that can pass an arbitrary number of parameters, +which prototypes are described in a tracepoint declaration placed in a header +file. + +They can be used for tracing and performance accounting. + + +* Usage + +Two elements are required for tracepoints : + +- A tracepoint definition, placed in a header file. +- The tracepoint statement, in C code. + +In order to use tracepoints, you should include linux/tracepoint.h. + +In include/trace/subsys.h : + +#include + +DEFINE_TRACE(subsys_eventname, + TPPTOTO(int firstarg, struct task_struct *p), + TPARGS(firstarg, p)); + +In subsys/file.c (where the tracing statement must be added) : + +#include + +void somefct(void) +{ + ... + trace_subsys_eventname(arg, task); + ... +} + +Where : +- subsys_eventname is an identifier unique to your event + - subsys is the name of your subsystem. + - eventname is the name of the event to trace. +- TPPTOTO(int firstarg, struct task_struct *p) is the prototype of the function + called by this tracepoint. +- TPARGS(firstarg, p) are the parameters names, same as found in the prototype. + +Connecting a function (probe) to a tracepoint is done by providing a probe +(function to call) for the specific tracepoint through +register_trace_subsys_eventname(). Removing a probe is done through +unregister_trace_subsys_eventname(); it will remove the probe sure there is no +caller left using the probe when it returns. Probe removal is preempt-safe +because preemption is disabled around the probe call. See the "Probe example" +section below for a sample probe module. + +The tracepoint mechanism supports inserting multiple instances of the same +tracepoint, but a single definition must be made of a given tracepoint name over +all the kernel to make sure no type conflict will occur. Name mangling of the +tracepoints is done using the prototypes to make sure typing is correct. +Verification of probe type correctness is done at the registration site by the +compiler. Tracepoints can be put in inline functions, inlined static functions, +and unrolled loops as well as regular functions. + +The naming scheme "subsys_event" is suggested here as a convention intended +to limit collisions. Tracepoint names are global to the kernel: they are +considered as being the same whether they are in the core kernel image or in +modules. + + +* Probe / tracepoint example + +See the example provided in samples/tracepoints/src + +Compile them with your kernel. + +Run, as root : +modprobe tracepoint-example (insmod order is not important) +modprobe tracepoint-probe-example +cat /proc/tracepoint-example (returns an expected error) +rmmod tracepoint-example tracepoint-probe-example +dmesg -- GitLab From 4a0897526bbc5c6ac0df80b16b8c60339e717ae2 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 18 Jul 2008 12:16:16 -0400 Subject: [PATCH 4572/6244] tracing: tracepoints, samples Tracepoint example code under samples/. Signed-off-by: Mathieu Desnoyers Acked-by: 'Peter Zijlstra' Signed-off-by: Ingo Molnar --- samples/Kconfig | 6 ++ samples/Makefile | 2 +- samples/tracepoints/Makefile | 6 ++ samples/tracepoints/tp-samples-trace.h | 13 +++++ samples/tracepoints/tracepoint-probe-sample.c | 55 +++++++++++++++++++ .../tracepoints/tracepoint-probe-sample2.c | 42 ++++++++++++++ samples/tracepoints/tracepoint-sample.c | 53 ++++++++++++++++++ 7 files changed, 176 insertions(+), 1 deletion(-) create mode 100644 samples/tracepoints/Makefile create mode 100644 samples/tracepoints/tp-samples-trace.h create mode 100644 samples/tracepoints/tracepoint-probe-sample.c create mode 100644 samples/tracepoints/tracepoint-probe-sample2.c create mode 100644 samples/tracepoints/tracepoint-sample.c diff --git a/samples/Kconfig b/samples/Kconfig index e1fb471cc501..4b02f5a0e656 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -13,6 +13,12 @@ config SAMPLE_MARKERS help This build markers example modules. +config SAMPLE_TRACEPOINTS + tristate "Build tracepoints examples -- loadable modules only" + depends on TRACEPOINTS && m + help + This build tracepoints example modules. + config SAMPLE_KOBJECT tristate "Build kobject examples" help diff --git a/samples/Makefile b/samples/Makefile index 2e02575f7794..10eaca89fe17 100644 --- a/samples/Makefile +++ b/samples/Makefile @@ -1,3 +1,3 @@ # Makefile for Linux samples code -obj-$(CONFIG_SAMPLES) += markers/ kobject/ kprobes/ +obj-$(CONFIG_SAMPLES) += markers/ kobject/ kprobes/ tracepoints/ diff --git a/samples/tracepoints/Makefile b/samples/tracepoints/Makefile new file mode 100644 index 000000000000..36479ad9ae14 --- /dev/null +++ b/samples/tracepoints/Makefile @@ -0,0 +1,6 @@ +# builds the tracepoint example kernel modules; +# then to use one (as root): insmod + +obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-sample.o +obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-probe-sample.o +obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-probe-sample2.o diff --git a/samples/tracepoints/tp-samples-trace.h b/samples/tracepoints/tp-samples-trace.h new file mode 100644 index 000000000000..0216b55bd640 --- /dev/null +++ b/samples/tracepoints/tp-samples-trace.h @@ -0,0 +1,13 @@ +#ifndef _TP_SAMPLES_TRACE_H +#define _TP_SAMPLES_TRACE_H + +#include /* for struct inode and struct file */ +#include + +DEFINE_TRACE(subsys_event, + TPPROTO(struct inode *inode, struct file *file), + TPARGS(inode, file)); +DEFINE_TRACE(subsys_eventb, + TPPROTO(void), + TPARGS()); +#endif diff --git a/samples/tracepoints/tracepoint-probe-sample.c b/samples/tracepoints/tracepoint-probe-sample.c new file mode 100644 index 000000000000..55abfdda4bd4 --- /dev/null +++ b/samples/tracepoints/tracepoint-probe-sample.c @@ -0,0 +1,55 @@ +/* + * tracepoint-probe-sample.c + * + * sample tracepoint probes. + */ + +#include +#include +#include +#include "tp-samples-trace.h" + +/* + * Here the caller only guarantees locking for struct file and struct inode. + * Locking must therefore be done in the probe to use the dentry. + */ +static void probe_subsys_event(struct inode *inode, struct file *file) +{ + path_get(&file->f_path); + dget(file->f_path.dentry); + printk(KERN_INFO "Event is encountered with filename %s\n", + file->f_path.dentry->d_name.name); + dput(file->f_path.dentry); + path_put(&file->f_path); +} + +static void probe_subsys_eventb(void) +{ + printk(KERN_INFO "Event B is encountered\n"); +} + +int __init tp_sample_trace_init(void) +{ + int ret; + + ret = register_trace_subsys_event(probe_subsys_event); + WARN_ON(ret); + ret = register_trace_subsys_eventb(probe_subsys_eventb); + WARN_ON(ret); + + return 0; +} + +module_init(tp_sample_trace_init); + +void __exit tp_sample_trace_exit(void) +{ + unregister_trace_subsys_eventb(probe_subsys_eventb); + unregister_trace_subsys_event(probe_subsys_event); +} + +module_exit(tp_sample_trace_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Mathieu Desnoyers"); +MODULE_DESCRIPTION("Tracepoint Probes Samples"); diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c new file mode 100644 index 000000000000..5e9fcf4afffe --- /dev/null +++ b/samples/tracepoints/tracepoint-probe-sample2.c @@ -0,0 +1,42 @@ +/* + * tracepoint-probe-sample2.c + * + * 2nd sample tracepoint probes. + */ + +#include +#include +#include "tp-samples-trace.h" + +/* + * Here the caller only guarantees locking for struct file and struct inode. + * Locking must therefore be done in the probe to use the dentry. + */ +static void probe_subsys_event(struct inode *inode, struct file *file) +{ + printk(KERN_INFO "Event is encountered with inode number %lu\n", + inode->i_ino); +} + +int __init tp_sample_trace_init(void) +{ + int ret; + + ret = register_trace_subsys_event(probe_subsys_event); + WARN_ON(ret); + + return 0; +} + +module_init(tp_sample_trace_init); + +void __exit tp_sample_trace_exit(void) +{ + unregister_trace_subsys_event(probe_subsys_event); +} + +module_exit(tp_sample_trace_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Mathieu Desnoyers"); +MODULE_DESCRIPTION("Tracepoint Probes Samples"); diff --git a/samples/tracepoints/tracepoint-sample.c b/samples/tracepoints/tracepoint-sample.c new file mode 100644 index 000000000000..4ae4b7fcc043 --- /dev/null +++ b/samples/tracepoints/tracepoint-sample.c @@ -0,0 +1,53 @@ +/* tracepoint-sample.c + * + * Executes a tracepoint when /proc/tracepoint-example is opened. + * + * (C) Copyright 2007 Mathieu Desnoyers + * + * This file is released under the GPLv2. + * See the file COPYING for more details. + */ + +#include +#include +#include +#include "tp-samples-trace.h" + +struct proc_dir_entry *pentry_example; + +static int my_open(struct inode *inode, struct file *file) +{ + int i; + + trace_subsys_event(inode, file); + for (i = 0; i < 10; i++) + trace_subsys_eventb(); + return -EPERM; +} + +static struct file_operations mark_ops = { + .open = my_open, +}; + +static int example_init(void) +{ + printk(KERN_ALERT "example init\n"); + pentry_example = proc_create("tracepoint-example", 0444, NULL, + &mark_ops); + if (!pentry_example) + return -EPERM; + return 0; +} + +static void example_exit(void) +{ + printk(KERN_ALERT "example exit\n"); + remove_proc_entry("tracepoint-example", NULL); +} + +module_init(example_init) +module_exit(example_exit) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Mathieu Desnoyers"); +MODULE_DESCRIPTION("Tracepoint example"); -- GitLab From 0a16b6075843325dc402edf80c1662838b929aff Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 18 Jul 2008 12:16:17 -0400 Subject: [PATCH 4573/6244] tracing, sched: LTTng instrumentation - scheduler Instrument the scheduler activity (sched_switch, migration, wakeups, wait for a task, signal delivery) and process/thread creation/destruction (fork, exit, kthread stop). Actually, kthread creation is not instrumented in this patch because it is architecture dependent. It allows to connect tracers such as ftrace which detects scheduling latencies, good/bad scheduler decisions. Tools like LTTng can export this scheduler information along with instrumentation of the rest of the kernel activity to perform post-mortem analysis on the scheduler activity. About the performance impact of tracepoints (which is comparable to markers), even without immediate values optimizations, tests done by Hideo Aoki on ia64 show no regression. His test case was using hackbench on a kernel where scheduler instrumentation (about 5 events in code scheduler code) was added. See the "Tracepoints" patch header for performance result detail. Changelog : - Change instrumentation location and parameter to match ftrace instrumentation, previously done with kernel markers. [ mingo@elte.hu: conflict resolutions ] Signed-off-by: Mathieu Desnoyers Acked-by: 'Peter Zijlstra' Signed-off-by: Ingo Molnar --- include/trace/sched.h | 45 +++++++++++++++++++++++++++++++++++++++++++ kernel/exit.c | 10 +++++++++- kernel/fork.c | 3 +++ kernel/kthread.c | 5 +++++ kernel/sched.c | 17 ++++++---------- kernel/signal.c | 3 +++ 6 files changed, 71 insertions(+), 12 deletions(-) create mode 100644 include/trace/sched.h diff --git a/include/trace/sched.h b/include/trace/sched.h new file mode 100644 index 000000000000..506ae1323656 --- /dev/null +++ b/include/trace/sched.h @@ -0,0 +1,45 @@ +#ifndef _TRACE_SCHED_H +#define _TRACE_SCHED_H + +#include +#include + +DEFINE_TRACE(sched_kthread_stop, + TPPROTO(struct task_struct *t), + TPARGS(t)); +DEFINE_TRACE(sched_kthread_stop_ret, + TPPROTO(int ret), + TPARGS(ret)); +DEFINE_TRACE(sched_wait_task, + TPPROTO(struct rq *rq, struct task_struct *p), + TPARGS(rq, p)); +DEFINE_TRACE(sched_wakeup, + TPPROTO(struct rq *rq, struct task_struct *p), + TPARGS(rq, p)); +DEFINE_TRACE(sched_wakeup_new, + TPPROTO(struct rq *rq, struct task_struct *p), + TPARGS(rq, p)); +DEFINE_TRACE(sched_switch, + TPPROTO(struct rq *rq, struct task_struct *prev, + struct task_struct *next), + TPARGS(rq, prev, next)); +DEFINE_TRACE(sched_migrate_task, + TPPROTO(struct rq *rq, struct task_struct *p, int dest_cpu), + TPARGS(rq, p, dest_cpu)); +DEFINE_TRACE(sched_process_free, + TPPROTO(struct task_struct *p), + TPARGS(p)); +DEFINE_TRACE(sched_process_exit, + TPPROTO(struct task_struct *p), + TPARGS(p)); +DEFINE_TRACE(sched_process_wait, + TPPROTO(struct pid *pid), + TPARGS(pid)); +DEFINE_TRACE(sched_process_fork, + TPPROTO(struct task_struct *parent, struct task_struct *child), + TPARGS(parent, child)); +DEFINE_TRACE(sched_signal_send, + TPPROTO(int sig, struct task_struct *p), + TPARGS(sig, p)); + +#endif diff --git a/kernel/exit.c b/kernel/exit.c index 85a83c831856..7b71f87f1207 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -47,6 +47,7 @@ #include #include #include +#include #include #include @@ -149,7 +150,10 @@ static void __exit_signal(struct task_struct *tsk) static void delayed_put_task_struct(struct rcu_head *rhp) { - put_task_struct(container_of(rhp, struct task_struct, rcu)); + struct task_struct *tsk = container_of(rhp, struct task_struct, rcu); + + trace_sched_process_free(tsk); + put_task_struct(tsk); } @@ -1074,6 +1078,8 @@ NORET_TYPE void do_exit(long code) if (group_dead) acct_process(); + trace_sched_process_exit(tsk); + exit_sem(tsk); exit_files(tsk); exit_fs(tsk); @@ -1675,6 +1681,8 @@ static long do_wait(enum pid_type type, struct pid *pid, int options, struct task_struct *tsk; int retval; + trace_sched_process_wait(pid); + add_wait_queue(¤t->signal->wait_chldexit,&wait); repeat: /* diff --git a/kernel/fork.c b/kernel/fork.c index 30de644a40c4..cfaff92f61ff 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -58,6 +58,7 @@ #include #include #include +#include #include #include @@ -1364,6 +1365,8 @@ long do_fork(unsigned long clone_flags, if (!IS_ERR(p)) { struct completion vfork; + trace_sched_process_fork(current, p); + nr = task_pid_vnr(p); if (clone_flags & CLONE_PARENT_SETTID) diff --git a/kernel/kthread.c b/kernel/kthread.c index 96cff2f8710b..50598e29439a 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -13,6 +13,7 @@ #include #include #include +#include #define KTHREAD_NICE_LEVEL (-5) @@ -206,6 +207,8 @@ int kthread_stop(struct task_struct *k) /* It could exit after stop_info.k set, but before wake_up_process. */ get_task_struct(k); + trace_sched_kthread_stop(k); + /* Must init completion *before* thread sees kthread_stop_info.k */ init_completion(&kthread_stop_info.done); smp_wmb(); @@ -221,6 +224,8 @@ int kthread_stop(struct task_struct *k) ret = kthread_stop_info.err; mutex_unlock(&kthread_stop_lock); + trace_sched_kthread_stop_ret(ret); + return ret; } EXPORT_SYMBOL(kthread_stop); diff --git a/kernel/sched.c b/kernel/sched.c index 6f230596bd0c..3d1ad130c24e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -71,6 +71,7 @@ #include #include #include +#include #include #include @@ -1936,6 +1937,7 @@ unsigned long wait_task_inactive(struct task_struct *p, long match_state) * just go back and repeat. */ rq = task_rq_lock(p, &flags); + trace_sched_wait_task(rq, p); running = task_running(rq, p); on_rq = p->se.on_rq; ncsw = 0; @@ -2297,9 +2299,7 @@ out_activate: success = 1; out_running: - trace_mark(kernel_sched_wakeup, - "pid %d state %ld ## rq %p task %p rq->curr %p", - p->pid, p->state, rq, p, rq->curr); + trace_sched_wakeup(rq, p); check_preempt_curr(rq, p, sync); p->state = TASK_RUNNING; @@ -2432,9 +2432,7 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags) p->sched_class->task_new(rq, p); inc_nr_running(rq); } - trace_mark(kernel_sched_wakeup_new, - "pid %d state %ld ## rq %p task %p rq->curr %p", - p->pid, p->state, rq, p, rq->curr); + trace_sched_wakeup_new(rq, p); check_preempt_curr(rq, p, 0); #ifdef CONFIG_SMP if (p->sched_class->task_wake_up) @@ -2607,11 +2605,7 @@ context_switch(struct rq *rq, struct task_struct *prev, struct mm_struct *mm, *oldmm; prepare_task_switch(rq, prev, next); - trace_mark(kernel_sched_schedule, - "prev_pid %d next_pid %d prev_state %ld " - "## rq %p prev %p next %p", - prev->pid, next->pid, prev->state, - rq, prev, next); + trace_sched_switch(rq, prev, next); mm = next->mm; oldmm = prev->active_mm; /* @@ -2851,6 +2845,7 @@ static void sched_migrate_task(struct task_struct *p, int dest_cpu) || unlikely(!cpu_active(dest_cpu))) goto out; + trace_sched_migrate_task(rq, p, dest_cpu); /* force the process onto the specified CPU */ if (migrate_task(p, dest_cpu, &req)) { /* Need to wait for migration thread (might exit: take ref). */ diff --git a/kernel/signal.c b/kernel/signal.c index e661b01d340f..bf40ecc87b26 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -803,6 +804,8 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t, struct sigpending *pending; struct sigqueue *q; + trace_sched_signal_send(sig, t); + assert_spin_locked(&t->sighand->siglock); if (!prepare_signal(sig, t)) return 0; -- GitLab From b07c3f193a8074aa4afe43cfa8ae38ec4c7ccfa9 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 18 Jul 2008 12:16:17 -0400 Subject: [PATCH 4574/6244] ftrace: port to tracepoints Porting the trace_mark() used by ftrace to tracepoints. (cleanup) Changelog : - Change error messages : marker -> tracepoint [ mingo@elte.hu: conflict resolutions ] Signed-off-by: Mathieu Desnoyers Acked-by: 'Peter Zijlstra' Signed-off-by: Ingo Molnar --- kernel/trace/trace_sched_switch.c | 120 ++++++-------------------- kernel/trace/trace_sched_wakeup.c | 135 ++++++++---------------------- 2 files changed, 58 insertions(+), 197 deletions(-) diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index cb817a209aa0..789e927abc9c 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -9,8 +9,8 @@ #include #include #include -#include #include +#include #include "trace.h" @@ -19,16 +19,17 @@ static int __read_mostly tracer_enabled; static atomic_t sched_ref; static void -sched_switch_func(void *private, void *__rq, struct task_struct *prev, +probe_sched_switch(struct rq *__rq, struct task_struct *prev, struct task_struct *next) { - struct trace_array **ptr = private; - struct trace_array *tr = *ptr; struct trace_array_cpu *data; unsigned long flags; long disabled; int cpu; + if (!atomic_read(&sched_ref)) + return; + tracing_record_cmdline(prev); tracing_record_cmdline(next); @@ -37,95 +38,42 @@ sched_switch_func(void *private, void *__rq, struct task_struct *prev, local_irq_save(flags); cpu = raw_smp_processor_id(); - data = tr->data[cpu]; + data = ctx_trace->data[cpu]; disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - tracing_sched_switch_trace(tr, data, prev, next, flags); + tracing_sched_switch_trace(ctx_trace, data, prev, next, flags); atomic_dec(&data->disabled); local_irq_restore(flags); } -static notrace void -sched_switch_callback(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - struct task_struct *prev; - struct task_struct *next; - struct rq *__rq; - - if (!atomic_read(&sched_ref)) - return; - - /* skip prev_pid %d next_pid %d prev_state %ld */ - (void)va_arg(*args, int); - (void)va_arg(*args, int); - (void)va_arg(*args, long); - __rq = va_arg(*args, typeof(__rq)); - prev = va_arg(*args, typeof(prev)); - next = va_arg(*args, typeof(next)); - - /* - * If tracer_switch_func only points to the local - * switch func, it still needs the ptr passed to it. - */ - sched_switch_func(probe_data, __rq, prev, next); -} - static void -wakeup_func(void *private, void *__rq, struct task_struct *wakee, struct - task_struct *curr) +probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) { - struct trace_array **ptr = private; - struct trace_array *tr = *ptr; struct trace_array_cpu *data; unsigned long flags; long disabled; int cpu; - if (!tracer_enabled) + if (!likely(tracer_enabled)) return; - tracing_record_cmdline(curr); + tracing_record_cmdline(current); local_irq_save(flags); cpu = raw_smp_processor_id(); - data = tr->data[cpu]; + data = ctx_trace->data[cpu]; disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - tracing_sched_wakeup_trace(tr, data, wakee, curr, flags); + tracing_sched_wakeup_trace(ctx_trace, data, wakee, current, + flags); atomic_dec(&data->disabled); local_irq_restore(flags); } -static notrace void -wake_up_callback(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - struct task_struct *curr; - struct task_struct *task; - struct rq *__rq; - - if (likely(!tracer_enabled)) - return; - - /* Skip pid %d state %ld */ - (void)va_arg(*args, int); - (void)va_arg(*args, long); - /* now get the meat: "rq %p task %p rq->curr %p" */ - __rq = va_arg(*args, typeof(__rq)); - task = va_arg(*args, typeof(task)); - curr = va_arg(*args, typeof(curr)); - - tracing_record_cmdline(task); - tracing_record_cmdline(curr); - - wakeup_func(probe_data, __rq, task, curr); -} - static void sched_switch_reset(struct trace_array *tr) { int cpu; @@ -140,60 +88,40 @@ static int tracing_sched_register(void) { int ret; - ret = marker_probe_register("kernel_sched_wakeup", - "pid %d state %ld ## rq %p task %p rq->curr %p", - wake_up_callback, - &ctx_trace); + ret = register_trace_sched_wakeup(probe_sched_wakeup); if (ret) { - pr_info("wakeup trace: Couldn't add marker" + pr_info("wakeup trace: Couldn't activate tracepoint" " probe to kernel_sched_wakeup\n"); return ret; } - ret = marker_probe_register("kernel_sched_wakeup_new", - "pid %d state %ld ## rq %p task %p rq->curr %p", - wake_up_callback, - &ctx_trace); + ret = register_trace_sched_wakeup_new(probe_sched_wakeup); if (ret) { - pr_info("wakeup trace: Couldn't add marker" + pr_info("wakeup trace: Couldn't activate tracepoint" " probe to kernel_sched_wakeup_new\n"); goto fail_deprobe; } - ret = marker_probe_register("kernel_sched_schedule", - "prev_pid %d next_pid %d prev_state %ld " - "## rq %p prev %p next %p", - sched_switch_callback, - &ctx_trace); + ret = register_trace_sched_switch(probe_sched_switch); if (ret) { - pr_info("sched trace: Couldn't add marker" + pr_info("sched trace: Couldn't activate tracepoint" " probe to kernel_sched_schedule\n"); goto fail_deprobe_wake_new; } return ret; fail_deprobe_wake_new: - marker_probe_unregister("kernel_sched_wakeup_new", - wake_up_callback, - &ctx_trace); + unregister_trace_sched_wakeup_new(probe_sched_wakeup); fail_deprobe: - marker_probe_unregister("kernel_sched_wakeup", - wake_up_callback, - &ctx_trace); + unregister_trace_sched_wakeup(probe_sched_wakeup); return ret; } static void tracing_sched_unregister(void) { - marker_probe_unregister("kernel_sched_schedule", - sched_switch_callback, - &ctx_trace); - marker_probe_unregister("kernel_sched_wakeup_new", - wake_up_callback, - &ctx_trace); - marker_probe_unregister("kernel_sched_wakeup", - wake_up_callback, - &ctx_trace); + unregister_trace_sched_switch(probe_sched_switch); + unregister_trace_sched_wakeup_new(probe_sched_wakeup); + unregister_trace_sched_wakeup(probe_sched_wakeup); } static void tracing_start_sched_switch(void) diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index e303ccb62cdf..08206b4e29c4 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -15,7 +15,7 @@ #include #include #include -#include +#include #include "trace.h" @@ -112,18 +112,18 @@ static int report_latency(cycle_t delta) } static void notrace -wakeup_sched_switch(void *private, void *rq, struct task_struct *prev, +probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, struct task_struct *next) { unsigned long latency = 0, t0 = 0, t1 = 0; - struct trace_array **ptr = private; - struct trace_array *tr = *ptr; struct trace_array_cpu *data; cycle_t T0, T1, delta; unsigned long flags; long disabled; int cpu; + tracing_record_cmdline(prev); + if (unlikely(!tracer_enabled)) return; @@ -140,11 +140,11 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev, return; /* The task we are waiting for is waking up */ - data = tr->data[wakeup_cpu]; + data = wakeup_trace->data[wakeup_cpu]; /* disable local data, not wakeup_cpu data */ cpu = raw_smp_processor_id(); - disabled = atomic_inc_return(&tr->data[cpu]->disabled); + disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled); if (likely(disabled != 1)) goto out; @@ -155,7 +155,7 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev, if (unlikely(!tracer_enabled || next != wakeup_task)) goto out_unlock; - trace_function(tr, data, CALLER_ADDR1, CALLER_ADDR2, flags); + trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags); /* * usecs conversion is slow so we try to delay the conversion @@ -174,39 +174,14 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev, t0 = nsecs_to_usecs(T0); t1 = nsecs_to_usecs(T1); - update_max_tr(tr, wakeup_task, wakeup_cpu); + update_max_tr(wakeup_trace, wakeup_task, wakeup_cpu); out_unlock: - __wakeup_reset(tr); + __wakeup_reset(wakeup_trace); __raw_spin_unlock(&wakeup_lock); local_irq_restore(flags); out: - atomic_dec(&tr->data[cpu]->disabled); -} - -static notrace void -sched_switch_callback(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - struct task_struct *prev; - struct task_struct *next; - struct rq *__rq; - - /* skip prev_pid %d next_pid %d prev_state %ld */ - (void)va_arg(*args, int); - (void)va_arg(*args, int); - (void)va_arg(*args, long); - __rq = va_arg(*args, typeof(__rq)); - prev = va_arg(*args, typeof(prev)); - next = va_arg(*args, typeof(next)); - - tracing_record_cmdline(prev); - - /* - * If tracer_switch_func only points to the local - * switch func, it still needs the ptr passed to it. - */ - wakeup_sched_switch(probe_data, __rq, prev, next); + atomic_dec(&wakeup_trace->data[cpu]->disabled); } static void __wakeup_reset(struct trace_array *tr) @@ -240,19 +215,24 @@ static void wakeup_reset(struct trace_array *tr) } static void -wakeup_check_start(struct trace_array *tr, struct task_struct *p, - struct task_struct *curr) +probe_wakeup(struct rq *rq, struct task_struct *p) { int cpu = smp_processor_id(); unsigned long flags; long disabled; + if (likely(!tracer_enabled)) + return; + + tracing_record_cmdline(p); + tracing_record_cmdline(current); + if (likely(!rt_task(p)) || p->prio >= wakeup_prio || - p->prio >= curr->prio) + p->prio >= current->prio) return; - disabled = atomic_inc_return(&tr->data[cpu]->disabled); + disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled); if (unlikely(disabled != 1)) goto out; @@ -264,7 +244,7 @@ wakeup_check_start(struct trace_array *tr, struct task_struct *p, goto out_locked; /* reset the trace */ - __wakeup_reset(tr); + __wakeup_reset(wakeup_trace); wakeup_cpu = task_cpu(p); wakeup_prio = p->prio; @@ -274,74 +254,37 @@ wakeup_check_start(struct trace_array *tr, struct task_struct *p, local_save_flags(flags); - tr->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu); - trace_function(tr, tr->data[wakeup_cpu], + wakeup_trace->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu); + trace_function(wakeup_trace, wakeup_trace->data[wakeup_cpu], CALLER_ADDR1, CALLER_ADDR2, flags); out_locked: __raw_spin_unlock(&wakeup_lock); out: - atomic_dec(&tr->data[cpu]->disabled); -} - -static notrace void -wake_up_callback(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - struct trace_array **ptr = probe_data; - struct trace_array *tr = *ptr; - struct task_struct *curr; - struct task_struct *task; - struct rq *__rq; - - if (likely(!tracer_enabled)) - return; - - /* Skip pid %d state %ld */ - (void)va_arg(*args, int); - (void)va_arg(*args, long); - /* now get the meat: "rq %p task %p rq->curr %p" */ - __rq = va_arg(*args, typeof(__rq)); - task = va_arg(*args, typeof(task)); - curr = va_arg(*args, typeof(curr)); - - tracing_record_cmdline(task); - tracing_record_cmdline(curr); - - wakeup_check_start(tr, task, curr); + atomic_dec(&wakeup_trace->data[cpu]->disabled); } static void start_wakeup_tracer(struct trace_array *tr) { int ret; - ret = marker_probe_register("kernel_sched_wakeup", - "pid %d state %ld ## rq %p task %p rq->curr %p", - wake_up_callback, - &wakeup_trace); + ret = register_trace_sched_wakeup(probe_wakeup); if (ret) { - pr_info("wakeup trace: Couldn't add marker" + pr_info("wakeup trace: Couldn't activate tracepoint" " probe to kernel_sched_wakeup\n"); return; } - ret = marker_probe_register("kernel_sched_wakeup_new", - "pid %d state %ld ## rq %p task %p rq->curr %p", - wake_up_callback, - &wakeup_trace); + ret = register_trace_sched_wakeup_new(probe_wakeup); if (ret) { - pr_info("wakeup trace: Couldn't add marker" + pr_info("wakeup trace: Couldn't activate tracepoint" " probe to kernel_sched_wakeup_new\n"); goto fail_deprobe; } - ret = marker_probe_register("kernel_sched_schedule", - "prev_pid %d next_pid %d prev_state %ld " - "## rq %p prev %p next %p", - sched_switch_callback, - &wakeup_trace); + ret = register_trace_sched_switch(probe_wakeup_sched_switch); if (ret) { - pr_info("sched trace: Couldn't add marker" + pr_info("sched trace: Couldn't activate tracepoint" " probe to kernel_sched_schedule\n"); goto fail_deprobe_wake_new; } @@ -363,28 +306,18 @@ static void start_wakeup_tracer(struct trace_array *tr) return; fail_deprobe_wake_new: - marker_probe_unregister("kernel_sched_wakeup_new", - wake_up_callback, - &wakeup_trace); + unregister_trace_sched_wakeup_new(probe_wakeup); fail_deprobe: - marker_probe_unregister("kernel_sched_wakeup", - wake_up_callback, - &wakeup_trace); + unregister_trace_sched_wakeup(probe_wakeup); } static void stop_wakeup_tracer(struct trace_array *tr) { tracer_enabled = 0; unregister_ftrace_function(&trace_ops); - marker_probe_unregister("kernel_sched_schedule", - sched_switch_callback, - &wakeup_trace); - marker_probe_unregister("kernel_sched_wakeup_new", - wake_up_callback, - &wakeup_trace); - marker_probe_unregister("kernel_sched_wakeup", - wake_up_callback, - &wakeup_trace); + unregister_trace_sched_switch(probe_wakeup_sched_switch); + unregister_trace_sched_wakeup_new(probe_wakeup); + unregister_trace_sched_wakeup(probe_wakeup); } static void wakeup_tracer_init(struct trace_array *tr) -- GitLab From fa340d9c050e78fb21a142b617304214ae5e0c2d Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 23 Jul 2008 13:38:00 +0200 Subject: [PATCH 4575/6244] tracing: disable tracepoints by default while it's arguably low overhead, we dont enable new features by default. Signed-off-by: Ingo Molnar --- init/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/init/Kconfig b/init/Kconfig index 70082678a914..d5994490b0b0 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -773,7 +773,6 @@ config PROFILING config TRACEPOINTS bool "Activate tracepoints" - default y help Place an empty function call at each tracepoint site. Can be dynamically changed for a probe function. -- GitLab From cf569a932217b97e2fc2c48aa597fe29519a0cff Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 23 Jul 2008 13:48:22 +0200 Subject: [PATCH 4576/6244] sched: clean up tracepoints make it a bit more structured hence more readable. Signed-off-by: Ingo Molnar --- include/trace/sched.h | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/include/trace/sched.h b/include/trace/sched.h index 506ae1323656..ad47369d01b5 100644 --- a/include/trace/sched.h +++ b/include/trace/sched.h @@ -6,40 +6,51 @@ DEFINE_TRACE(sched_kthread_stop, TPPROTO(struct task_struct *t), - TPARGS(t)); + TPARGS(t)); + DEFINE_TRACE(sched_kthread_stop_ret, TPPROTO(int ret), - TPARGS(ret)); + TPARGS(ret)); + DEFINE_TRACE(sched_wait_task, TPPROTO(struct rq *rq, struct task_struct *p), - TPARGS(rq, p)); + TPARGS(rq, p)); + DEFINE_TRACE(sched_wakeup, TPPROTO(struct rq *rq, struct task_struct *p), - TPARGS(rq, p)); + TPARGS(rq, p)); + DEFINE_TRACE(sched_wakeup_new, TPPROTO(struct rq *rq, struct task_struct *p), - TPARGS(rq, p)); + TPARGS(rq, p)); + DEFINE_TRACE(sched_switch, TPPROTO(struct rq *rq, struct task_struct *prev, struct task_struct *next), - TPARGS(rq, prev, next)); + TPARGS(rq, prev, next)); + DEFINE_TRACE(sched_migrate_task, TPPROTO(struct rq *rq, struct task_struct *p, int dest_cpu), - TPARGS(rq, p, dest_cpu)); + TPARGS(rq, p, dest_cpu)); + DEFINE_TRACE(sched_process_free, TPPROTO(struct task_struct *p), - TPARGS(p)); + TPARGS(p)); + DEFINE_TRACE(sched_process_exit, TPPROTO(struct task_struct *p), - TPARGS(p)); + TPARGS(p)); + DEFINE_TRACE(sched_process_wait, TPPROTO(struct pid *pid), - TPARGS(pid)); + TPARGS(pid)); + DEFINE_TRACE(sched_process_fork, TPPROTO(struct task_struct *parent, struct task_struct *child), - TPARGS(parent, child)); + TPARGS(parent, child)); + DEFINE_TRACE(sched_signal_send, TPPROTO(int sig, struct task_struct *p), - TPARGS(sig, p)); + TPARGS(sig, p)); #endif -- GitLab From 5f87f1121895dc09d2d1c1db5f14af6aa4ce3e94 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 23 Jul 2008 14:15:22 +0200 Subject: [PATCH 4577/6244] tracing: clean up tracepoints kconfig structure do not expose users to CONFIG_TRACEPOINTS - tracers can select it just fine. update ftrace to select CONFIG_TRACEPOINTS. Signed-off-by: Ingo Molnar --- init/Kconfig | 9 +++++---- kernel/trace/Kconfig | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index d5994490b0b0..031344f954fd 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -771,11 +771,12 @@ config PROFILING Say Y here to enable the extended profiling support mechanisms used by profilers such as OProfile. +# +# Place an empty function call at each tracepoint site. Can be +# dynamically changed for a probe function. +# config TRACEPOINTS - bool "Activate tracepoints" - help - Place an empty function call at each tracepoint site. Can be - dynamically changed for a probe function. + bool config MARKERS bool "Activate markers" diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 263e9e6bbd60..cae2637d5e68 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -14,6 +14,7 @@ config TRACING bool select DEBUG_FS select STACKTRACE + select TRACEPOINTS config FTRACE bool "Kernel Function Tracer" -- GitLab From 611b1597680dd4a57896bcca1af0484be463c55e Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Mon, 21 Jul 2008 18:49:56 +0300 Subject: [PATCH 4578/6244] x86: fix mmiotrace 8-bit register decoding When SIL, DIL, BPL or SPL registers were used in MMIO, the datum was extracted from AH, BH, CH, or DH, which are incorrect. Signed-off-by: Pekka Paalanen Cc: "Vegard Nossum" Cc: "Steven Rostedt" Cc: proski@gnu.org Cc: "Pekka Enberg" Signed-off-by: Ingo Molnar --- arch/x86/mm/pf_in.c | 121 ++++++++++++++++++++++++++++++-------------- 1 file changed, 84 insertions(+), 37 deletions(-) diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c index efa1911e20ca..df3d5c861cda 100644 --- a/arch/x86/mm/pf_in.c +++ b/arch/x86/mm/pf_in.c @@ -79,25 +79,34 @@ static unsigned int mw32[] = { 0xC7 }; static unsigned int mw64[] = { 0x89, 0x8B }; #endif /* not __i386__ */ -static int skip_prefix(unsigned char *addr, int *shorted, int *enlarged, - int *rexr) +struct prefix_bits { + unsigned shorted:1; + unsigned enlarged:1; + unsigned rexr:1; + unsigned rex:1; +}; + +static int skip_prefix(unsigned char *addr, struct prefix_bits *prf) { int i; unsigned char *p = addr; - *shorted = 0; - *enlarged = 0; - *rexr = 0; + prf->shorted = 0; + prf->enlarged = 0; + prf->rexr = 0; + prf->rex = 0; restart: for (i = 0; i < ARRAY_SIZE(prefix_codes); i++) { if (*p == prefix_codes[i]) { if (*p == 0x66) - *shorted = 1; + prf->shorted = 1; #ifdef __amd64__ if ((*p & 0xf8) == 0x48) - *enlarged = 1; + prf->enlarged = 1; if ((*p & 0xf4) == 0x44) - *rexr = 1; + prf->rexr = 1; + if ((*p & 0xf0) == 0x40) + prf->rex = 1; #endif p++; goto restart; @@ -135,12 +144,12 @@ enum reason_type get_ins_type(unsigned long ins_addr) { unsigned int opcode; unsigned char *p; - int shorted, enlarged, rexr; + struct prefix_bits prf; int i; enum reason_type rv = OTHERS; p = (unsigned char *)ins_addr; - p += skip_prefix(p, &shorted, &enlarged, &rexr); + p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); CHECK_OP_TYPE(opcode, reg_rop, REG_READ); @@ -156,10 +165,11 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr) { unsigned int opcode; unsigned char *p; - int i, shorted, enlarged, rexr; + struct prefix_bits prf; + int i; p = (unsigned char *)ins_addr; - p += skip_prefix(p, &shorted, &enlarged, &rexr); + p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(rw8); i++) @@ -168,7 +178,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr) for (i = 0; i < ARRAY_SIZE(rw32); i++) if (rw32[i] == opcode) - return (shorted ? 2 : (enlarged ? 8 : 4)); + return prf.shorted ? 2 : (prf.enlarged ? 8 : 4); printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode); return 0; @@ -178,10 +188,11 @@ unsigned int get_ins_mem_width(unsigned long ins_addr) { unsigned int opcode; unsigned char *p; - int i, shorted, enlarged, rexr; + struct prefix_bits prf; + int i; p = (unsigned char *)ins_addr; - p += skip_prefix(p, &shorted, &enlarged, &rexr); + p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(mw8); i++) @@ -194,11 +205,11 @@ unsigned int get_ins_mem_width(unsigned long ins_addr) for (i = 0; i < ARRAY_SIZE(mw32); i++) if (mw32[i] == opcode) - return shorted ? 2 : 4; + return prf.shorted ? 2 : 4; for (i = 0; i < ARRAY_SIZE(mw64); i++) if (mw64[i] == opcode) - return shorted ? 2 : (enlarged ? 8 : 4); + return prf.shorted ? 2 : (prf.enlarged ? 8 : 4); printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode); return 0; @@ -238,7 +249,7 @@ enum { #endif }; -static unsigned char *get_reg_w8(int no, struct pt_regs *regs) +static unsigned char *get_reg_w8(int no, int rex, struct pt_regs *regs) { unsigned char *rv = NULL; @@ -255,18 +266,6 @@ static unsigned char *get_reg_w8(int no, struct pt_regs *regs) case arg_DL: rv = (unsigned char *)®s->dx; break; - case arg_AH: - rv = 1 + (unsigned char *)®s->ax; - break; - case arg_BH: - rv = 1 + (unsigned char *)®s->bx; - break; - case arg_CH: - rv = 1 + (unsigned char *)®s->cx; - break; - case arg_DH: - rv = 1 + (unsigned char *)®s->dx; - break; #ifdef __amd64__ case arg_R8: rv = (unsigned char *)®s->r8; @@ -294,9 +293,55 @@ static unsigned char *get_reg_w8(int no, struct pt_regs *regs) break; #endif default: - printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no); break; } + + if (rv) + return rv; + + if (rex) { + /* + * If REX prefix exists, access low bytes of SI etc. + * instead of AH etc. + */ + switch (no) { + case arg_SI: + rv = (unsigned char *)®s->si; + break; + case arg_DI: + rv = (unsigned char *)®s->di; + break; + case arg_BP: + rv = (unsigned char *)®s->bp; + break; + case arg_SP: + rv = (unsigned char *)®s->sp; + break; + default: + break; + } + } else { + switch (no) { + case arg_AH: + rv = 1 + (unsigned char *)®s->ax; + break; + case arg_BH: + rv = 1 + (unsigned char *)®s->bx; + break; + case arg_CH: + rv = 1 + (unsigned char *)®s->cx; + break; + case arg_DH: + rv = 1 + (unsigned char *)®s->dx; + break; + default: + break; + } + } + + if (!rv) + printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no); + return rv; } @@ -368,11 +413,12 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) unsigned char mod_rm; int reg; unsigned char *p; - int i, shorted, enlarged, rexr; + struct prefix_bits prf; + int i; unsigned long rv; p = (unsigned char *)ins_addr; - p += skip_prefix(p, &shorted, &enlarged, &rexr); + p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(reg_rop); i++) if (reg_rop[i] == opcode) { @@ -392,10 +438,10 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) do_work: mod_rm = *p; - reg = ((mod_rm >> 3) & 0x7) | (rexr << 3); + reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3); switch (get_ins_reg_width(ins_addr)) { case 1: - return *get_reg_w8(reg, regs); + return *get_reg_w8(reg, prf.rex, regs); case 2: return *(unsigned short *)get_reg_w32(reg, regs); @@ -422,11 +468,12 @@ unsigned long get_ins_imm_val(unsigned long ins_addr) unsigned char mod_rm; unsigned char mod; unsigned char *p; - int i, shorted, enlarged, rexr; + struct prefix_bits prf; + int i; unsigned long rv; p = (unsigned char *)ins_addr; - p += skip_prefix(p, &shorted, &enlarged, &rexr); + p += skip_prefix(p, &prf); p += get_opcode(p, &opcode); for (i = 0; i < ARRAY_SIZE(imm_wop); i++) if (imm_wop[i] == opcode) { -- GitLab From 9795302acf2817d0842e56d23df6008e43df0970 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Thu, 24 Jul 2008 16:37:23 -0400 Subject: [PATCH 4579/6244] tracepoints: use TABLE_SIZE macro Steven Rostedt suggested: | Wouldn't it look nicer to have: (TRACEPOINT_TABLE_SIZE - 1) ? Signed-off-by: Mathieu Desnoyers Cc: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/tracepoint.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 42e86ddbd2a0..c7c62a4a75f5 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -177,7 +177,7 @@ static struct tracepoint_entry *get_tracepoint(const char *name) struct tracepoint_entry *e; u32 hash = jhash(name, strlen(name), 0); - head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)]; hlist_for_each_entry(e, node, head, hlist) { if (!strcmp(name, e->name)) return e; @@ -197,7 +197,7 @@ static struct tracepoint_entry *add_tracepoint(const char *name) size_t name_len = strlen(name) + 1; u32 hash = jhash(name, name_len-1, 0); - head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)]; hlist_for_each_entry(e, node, head, hlist) { if (!strcmp(name, e->name)) { printk(KERN_NOTICE @@ -233,7 +233,7 @@ static int remove_tracepoint(const char *name) size_t len = strlen(name) + 1; u32 hash = jhash(name, len-1, 0); - head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)]; + head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)]; hlist_for_each_entry(e, node, head, hlist) { if (!strcmp(name, e->name)) { found = 1; -- GitLab From 36dcd67ae994fece615b7c700958d215e884b9ae Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 29 Jul 2008 12:00:59 +0200 Subject: [PATCH 4580/6244] ftrace: ignore functions that cannot be kprobe-ed kprobes already has an extensive list of annotations for functions that should not be instrumented. Add notrace annotations to these functions as well. This is particularly useful for functions called by the NMI path. Signed-off-by: Ingo Molnar --- include/linux/kprobes.h | 5 +++-- kernel/notifier.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 0be7795655fa..497b1d1f7a05 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -29,6 +29,7 @@ * and Prasanna S Panchamukhi * added function-return probes. */ +#include #include #include #include @@ -47,7 +48,7 @@ #define KPROBE_HIT_SSDONE 0x00000008 /* Attach to insert probes on any functions which should be ignored*/ -#define __kprobes __attribute__((__section__(".kprobes.text"))) +#define __kprobes __attribute__((__section__(".kprobes.text"))) notrace struct kprobe; struct pt_regs; @@ -256,7 +257,7 @@ void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head); #else /* CONFIG_KPROBES */ -#define __kprobes /**/ +#define __kprobes notrace struct jprobe; struct kretprobe; diff --git a/kernel/notifier.c b/kernel/notifier.c index 823be11584ef..4282c0a40a57 100644 --- a/kernel/notifier.c +++ b/kernel/notifier.c @@ -550,7 +550,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier); static ATOMIC_NOTIFIER_HEAD(die_chain); -int notify_die(enum die_val val, const char *str, +int notrace notify_die(enum die_val val, const char *str, struct pt_regs *regs, long err, int trap, int sig) { struct die_args args = { -- GitLab From 8b1fa1d7b22f386747c7b78b918d4c680c16066f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 29 Jul 2008 12:36:02 +0200 Subject: [PATCH 4581/6244] ftrace: mark lapic_wd_event() notrace it can be called in the NMI path: [ 0.645999] calling ftrace_dynamic_init+0x0/0xd6 [ 0.647521] ------------[ cut here ]------------ [ 0.647521] WARNING: at kernel/trace/ftrace.c:348 ftrace_record_ip+0x4e/0x252() [ 0.647521] Modules linked in: [ 0.647521] Pid: 15, comm: kstop1 Not tainted 2.6.27-rc1-tip #22686 [ 0.647521] [ 0.647521] Call Trace: [ 0.647521] [] warn_on_slowpath+0x5d/0x84 [ 0.647521] [] ? lapic_wd_event+0xb/0x5c [ 0.647521] [] ftrace_record_ip+0x4e/0x252 [ 0.647521] [] mcount_call+0x5/0x31 [ 0.647521] [] ? lapic_wd_event+0x10/0x5c [ 0.647521] [] nmi_watchdog_tick+0x19d/0x1ad [ 0.647521] [] default_do_nmi+0x75/0x1e3 [ 0.647521] [] do_nmi+0x5d/0x94 [ 0.647521] [] nmi+0xa2/0xc2 [ 0.647521] [] ? check_bytes_and_report+0x11/0xcc [ 0.647521] <> [] ? mcount_call+0x5/0x31 [ 0.647521] [] check_object+0x61/0x1b0 [ 0.647521] [] __slab_free+0x169/0x2ae [ 0.647521] [] ? __cleanup_sighand+0x25/0x27 [ 0.647521] [] ? __cleanup_sighand+0x25/0x27 [ 0.647521] [] kmem_cache_free+0x85/0xb9 [ 0.647521] [] __cleanup_sighand+0x25/0x27 [ 0.647521] [] release_task+0x256/0x339 [ 0.647521] [] do_exit+0x764/0x7ef [ 0.647521] [] __xchg+0x0/0x38 [ 0.647521] [] ? stop_cpu+0x0/0xb2 [ 0.647521] [] ? stop_cpu+0x0/0xb2 [ 0.647521] [] kthread+0x4e/0x7b [ 0.647521] [] child_rip+0xa/0x11 [ 0.647521] [] ? restore_args+0x0/0x30 [ 0.647521] [] ? native_load_tls+0x14/0x2e [ 0.647521] [] ? kthread+0x0/0x7b [ 0.647521] [] ? child_rip+0x0/0x11 [ 0.647521] [ 0.647521] ---[ end trace 4eaa2a86a8e2da22 ]--- [ 0.672032] initcall ftrace_dynamic_init+0x0/0xd6 returned 0 after 19 msecs also mark it no-kprobes while at it. Signed-off-by: Ingo Molnar --- arch/x86/kernel/cpu/perfctr-watchdog.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index 6bff382094f5..9abd48b22674 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -17,6 +17,8 @@ #include #include #include +#include + #include #include @@ -336,7 +338,8 @@ static void single_msr_unreserve(void) release_perfctr_nmi(wd_ops->perfctr); } -static void single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) +static void __kprobes +single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) { /* start the cycle over again */ write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz); @@ -401,7 +404,7 @@ static int setup_p6_watchdog(unsigned nmi_hz) return 1; } -static void p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) +static void __kprobes p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) { /* * P6 based Pentium M need to re-unmask @@ -605,7 +608,7 @@ static void p4_unreserve(void) release_perfctr_nmi(MSR_P4_IQ_PERFCTR0); } -static void p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) +static void __kprobes p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz) { unsigned dummy; /* @@ -784,7 +787,7 @@ unsigned lapic_adjust_nmi_hz(unsigned hz) return hz; } -int lapic_wd_event(unsigned nmi_hz) +int __kprobes lapic_wd_event(unsigned nmi_hz) { struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk); u64 ctr; -- GitLab From 8da3821ba5634497da63d58a69e24a97697c4a2b Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:07 -0400 Subject: [PATCH 4582/6244] ftrace: create __mcount_loc section This patch creates a section in the kernel called "__mcount_loc". This will hold a list of pointers to the mcount relocation for each call site of mcount. For example: objdump -dr init/main.o [...] Disassembly of section .text: 0000000000000000 : 0: 55 push %rbp [...] 000000000000017b : 17b: 55 push %rbp 17c: 48 89 e5 mov %rsp,%rbp 17f: 53 push %rbx 180: 48 83 ec 08 sub $0x8,%rsp 184: e8 00 00 00 00 callq 189 185: R_X86_64_PC32 mcount+0xfffffffffffffffc [...] We will add a section to point to each function call. .section __mcount_loc,"a",@progbits [...] .quad .text + 0x185 [...] The offset to of the mcount call site in init_post is an offset from the start of the section, and not the start of the function init_post. The mcount relocation is at the call site 0x185 from the start of the .text section. .text + 0x185 == init_post + 0xa We need a way to add this __mcount_loc section in a way that we do not lose the relocations after final link. The .text section here will be attached to all other .text sections after final link and the offsets will be meaningless. We need to keep track of where these .text sections are. To do this, we use the start of the first function in the section. do_one_initcall. We can make a tmp.s file with this function as a reference to the start of the .text section. .section __mcount_loc,"a",@progbits [...] .quad do_one_initcall + 0x185 [...] Then we can compile the tmp.s into a tmp.o gcc -c tmp.s -o tmp.o And link it into back into main.o. ld -r main.o tmp.o -o tmp_main.o mv tmp_main.o main.o But we have a problem. What happens if the first function in a section is not exported, and is a static function. The linker will not let the tmp.o use it. This case exists in main.o as well. Disassembly of section .init.text: 0000000000000000 : 0: 55 push %rbp 1: 48 89 e5 mov %rsp,%rbp 4: e8 00 00 00 00 callq 9 5: R_X86_64_PC32 mcount+0xfffffffffffffffc The first function in .init.text is a static function. 00000000000000a8 t __setup_set_reset_devices 000000000000105f t __setup_str_set_reset_devices 0000000000000000 t set_reset_devices The lowercase 't' means that set_reset_devices is local and is not exported. If we simply try to link the tmp.o with the set_reset_devices we end up with two symbols: one local and one global. .section __mcount_loc,"a",@progbits .quad set_reset_devices + 0x10 00000000000000a8 t __setup_set_reset_devices 000000000000105f t __setup_str_set_reset_devices 0000000000000000 t set_reset_devices U set_reset_devices We still have an undefined reference to set_reset_devices, and if we try to compile the kernel, we will end up with an undefined reference to set_reset_devices, or even worst, it could be exported someplace else, and then we will have a reference to the wrong location. To handle this case, we make an intermediate step using objcopy. We convert set_reset_devices into a global exported symbol before linking it with tmp.o and set it back afterwards. 00000000000000a8 t __setup_set_reset_devices 000000000000105f t __setup_str_set_reset_devices 0000000000000000 T set_reset_devices 00000000000000a8 t __setup_set_reset_devices 000000000000105f t __setup_str_set_reset_devices 0000000000000000 T set_reset_devices 00000000000000a8 t __setup_set_reset_devices 000000000000105f t __setup_str_set_reset_devices 0000000000000000 t set_reset_devices Now we have a section in main.o called __mcount_loc that we can place somewhere in the kernel using vmlinux.ld.S and access it to convert all these locations that call mcount into nops before starting SMP and thus, eliminating the need to do this with kstop_machine. Note, A well documented perl script (scripts/recordmcount.pl) is used to do all this in one location. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/asm-generic/vmlinux.lds.h | 8 + kernel/trace/Kconfig | 8 + scripts/Makefile.build | 6 + scripts/recordmcount.pl | 280 ++++++++++++++++++++++++++++++ 4 files changed, 302 insertions(+) create mode 100755 scripts/recordmcount.pl diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 3d8e472a09c8..838d9b2a0da1 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -37,6 +37,13 @@ #define MEM_DISCARD(sec) *(.mem##sec) #endif +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +#define MCOUNT_REC() VMLINUX_SYMBOL(__start_mcount_loc) = .; \ + *(__mcount_loc) \ + VMLINUX_SYMBOL(__stop_mcount_loc) = .; +#else +#define MCOUNT_REC() +#endif /* .data section */ #define DATA_DATA \ @@ -192,6 +199,7 @@ /* __*init sections */ \ __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) { \ *(.ref.rodata) \ + MCOUNT_REC() \ DEV_KEEP(init.rodata) \ DEV_KEEP(exit.rodata) \ CPU_KEEP(init.rodata) \ diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index cae2637d5e68..14d9505178ca 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -7,6 +7,9 @@ config HAVE_FTRACE config HAVE_DYNAMIC_FTRACE bool +config HAVE_FTRACE_MCOUNT_RECORD + bool + config TRACER_MAX_TRACE bool @@ -122,6 +125,11 @@ config DYNAMIC_FTRACE were made. If so, it runs stop_machine (stops all CPUS) and modifies the code to jump over the call to ftrace. +config FTRACE_MCOUNT_RECORD + def_bool y + depends on DYNAMIC_FTRACE + depends on HAVE_FTRACE_MCOUNT_RECORD + config FTRACE_SELFTEST bool diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 277cfe0b7100..463ddcc583ed 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -198,10 +198,16 @@ cmd_modversions = \ fi; endif +ifdef CONFIG_FTRACE_MCOUNT_RECORD +cmd_record_mcount = scripts/recordmcount.pl "$(ARCH)" \ + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)"; +endif + define rule_cc_o_c $(call echo-cmd,checksrc) $(cmd_checksrc) \ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \ $(cmd_modversions) \ + $(cmd_record_mcount) \ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ $(dot-target).tmp; \ rm -f $(depfile); \ diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl new file mode 100755 index 000000000000..44b4b23e91b2 --- /dev/null +++ b/scripts/recordmcount.pl @@ -0,0 +1,280 @@ +#!/usr/bin/perl -w +# (c) 2008, Steven Rostedt +# Licensed under the terms of the GNU GPL License version 2 +# +# recordmcount.pl - makes a section called __mcount_loc that holds +# all the offsets to the calls to mcount. +# +# +# What we want to end up with is a section in vmlinux called +# __mcount_loc that contains a list of pointers to all the +# call sites in the kernel that call mcount. Later on boot up, the kernel +# will read this list, save the locations and turn them into nops. +# When tracing or profiling is later enabled, these locations will then +# be converted back to pointers to some function. +# +# This is no easy feat. This script is called just after the original +# object is compiled and before it is linked. +# +# The references to the call sites are offsets from the section of text +# that the call site is in. Hence, all functions in a section that +# has a call site to mcount, will have the offset from the beginning of +# the section and not the beginning of the function. +# +# The trick is to find a way to record the beginning of the section. +# The way we do this is to look at the first function in the section +# which will also be the location of that section after final link. +# e.g. +# +# .section ".text.sched" +# .globl my_func +# my_func: +# [...] +# call mcount (offset: 0x5) +# [...] +# ret +# other_func: +# [...] +# call mcount (offset: 0x1b) +# [...] +# +# Both relocation offsets for the mcounts in the above example will be +# offset from .text.sched. If we make another file called tmp.s with: +# +# .section __mcount_loc +# .quad my_func + 0x5 +# .quad my_func + 0x1b +# +# We can then compile this tmp.s into tmp.o, and link it to the original +# object. +# +# But this gets hard if my_func is not globl (a static function). +# In such a case we have: +# +# .section ".text.sched" +# my_func: +# [...] +# call mcount (offset: 0x5) +# [...] +# ret +# .globl my_func +# other_func: +# [...] +# call mcount (offset: 0x1b) +# [...] +# +# If we make the tmp.s the same as above, when we link together with +# the original object, we will end up with two symbols for my_func: +# one local, one global. After final compile, we will end up with +# an undefined reference to my_func. +# +# Since local objects can reference local variables, we need to find +# a way to make tmp.o reference the local objects of the original object +# file after it is linked together. To do this, we convert the my_func +# into a global symbol before linking tmp.o. Then after we link tmp.o +# we will only have a single symbol for my_func that is global. +# We can convert my_func back into a local symbol and we are done. +# +# Here are the steps we take: +# +# 1) Record all the local symbols by using 'nm' +# 2) Use objdump to find all the call site offsets and sections for +# mcount. +# 3) Compile the list into its own object. +# 4) Do we have to deal with local functions? If not, go to step 8. +# 5) Make an object that converts these local functions to global symbols +# with objcopy. +# 6) Link together this new object with the list object. +# 7) Convert the local functions back to local symbols and rename +# the result as the original object. +# End. +# 8) Link the object with the list object. +# 9) Move the result back to the original object. +# End. +# + +use strict; + +my $P = $0; +$P =~ s@.*/@@g; + +my $V = '0.1'; + +if ($#ARGV < 6) { + print "usage: $P arch objdump objcopy cc ld nm rm mv inputfile\n"; + print "version: $V\n"; + exit(1); +} + +my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV; + +$objdump = "objdump" if ((length $objdump) == 0); +$objcopy = "objcopy" if ((length $objcopy) == 0); +$cc = "gcc" if ((length $cc) == 0); +$ld = "ld" if ((length $ld) == 0); +$nm = "nm" if ((length $nm) == 0); +$rm = "rm" if ((length $rm) == 0); +$mv = "mv" if ((length $mv) == 0); + +#print STDERR "running: $P '$arch' '$objdump' '$objcopy' '$cc' '$ld' " . +# "'$nm' '$rm' '$mv' '$inputfile'\n"; + +my %locals; +my %convert; + +my $type; +my $section_regex; # Find the start of a section +my $function_regex; # Find the name of a function (return func name) +my $mcount_regex; # Find the call site to mcount (return offset) + +if ($arch eq "x86_64") { + $section_regex = "Disassembly of section"; + $function_regex = "<(.*?)>:"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$"; + $type = ".quad"; +} elsif ($arch eq "i386") { + $section_regex = "Disassembly of section"; + $function_regex = "<(.*?)>:"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; + $type = ".long"; +} else { + die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD"; +} + +my $text_found = 0; +my $read_function = 0; +my $opened = 0; +my $text = ""; +my $mcount_section = "__mcount_loc"; + +my $dirname; +my $filename; +my $prefix; +my $ext; + +if ($inputfile =~ m,^(.*)/([^/]*)$,) { + $dirname = $1; + $filename = $2; +} else { + $dirname = "."; + $filename = $inputfile; +} + +if ($filename =~ m,^(.*)(\.\S),) { + $prefix = $1; + $ext = $2; +} else { + $prefix = $filename; + $ext = ""; +} + +my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s"; +my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o"; + +# +# Step 1: find all the local symbols (static functions). +# +open (IN, "$nm $inputfile|") || die "error running $nm"; +while () { + if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) { + $locals{$1} = 1; + } +} +close(IN); + +# +# Step 2: find the sections and mcount call sites +# +open(IN, "$objdump -dr $inputfile|") || die "error running $objdump"; + +while () { + # is it a section? + if (/$section_regex/) { + $read_function = 1; + $text_found = 0; + # section found, now is this a start of a function? + } elsif ($read_function && /$function_regex/) { + $read_function = 0; + $text_found = 1; + $text = $1; + # is this function static? If so, note this fact. + if (defined $locals{$text}) { + $convert{$text} = 1; + } + # is this a call site to mcount? If so, print the offset from the section + } elsif ($text_found && /$mcount_regex/) { + if (!$opened) { + open(FILE, ">$mcount_s") || die "can't create $mcount_s\n"; + $opened = 1; + print FILE "\t.section $mcount_section,\"a\",\@progbits\n"; + } + print FILE "\t$type $text + 0x$1\n"; + } +} + +# If we did not find any mcount callers, we are done (do nothing). +if (!$opened) { + exit(0); +} + +close(FILE); + +# +# Step 3: Compile the file that holds the list of call sites to mcount. +# +`$cc -o $mcount_o -c $mcount_s`; + +my @converts = keys %convert; + +# +# Step 4: Do we have sections that started with local functions? +# +if ($#converts >= 0) { + my $globallist = ""; + my $locallist = ""; + + foreach my $con (@converts) { + $globallist .= " --globalize-symbol $con"; + $locallist .= " --localize-symbol $con"; + } + + my $globalobj = $dirname . "/.tmp_gl_" . $filename; + my $globalmix = $dirname . "/.tmp_mx_" . $filename; + + # + # Step 5: set up each local function as a global + # + `$objcopy $globallist $inputfile $globalobj`; + + # + # Step 6: Link the global version to our list. + # + `$ld -r $globalobj $mcount_o -o $globalmix`; + + # + # Step 7: Convert the local functions back into local symbols + # + `$objcopy $locallist $globalmix $inputfile`; + + # Remove the temp files + `$rm $globalobj $globalmix`; + +} else { + + my $mix = $dirname . "/.tmp_mx_" . $filename; + + # + # Step 8: Link the object with our list of call sites object. + # + `$ld -r $inputfile $mcount_o -o $mix`; + + # + # Step 9: Move the result back to the original object. + # + `$mv $mix $inputfile`; +} + +# Clean up the temp files +`$rm $mcount_o $mcount_s`; + +exit(0); -- GitLab From 68bf21aa15c85d2e9b623dcda2b1ed8893275fa1 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:08 -0400 Subject: [PATCH 4583/6244] ftrace: mcount call site on boot nops core This is the infrastructure to the converting the mcount call sites recorded by the __mcount_loc section into nops on boot. It also allows for using these sites to enable tracing as normal. When the __mcount_loc section is used, the "ftraced" kernel thread is disabled. This uses the current infrastructure to record the mcount call sites as well as convert them to nops. The mcount function is kept as a stub on boot up and not converted to the ftrace_record_ip function. We use the ftrace_record_ip to only record from the table. This patch does not handle modules. That comes with a later patch. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/asm-x86/ftrace.h | 10 +++ include/linux/ftrace.h | 6 ++ init/main.c | 3 + kernel/trace/ftrace.c | 148 +++++++++++++++++++++++++++------------ 4 files changed, 124 insertions(+), 43 deletions(-) diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h index be0e004ad148..1bb6f9bbe1ab 100644 --- a/include/asm-x86/ftrace.h +++ b/include/asm-x86/ftrace.h @@ -7,6 +7,16 @@ #ifndef __ASSEMBLY__ extern void mcount(void); + +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + /* + * call mcount is "e8 <4 byte offset>" + * The addr points to the 4 byte offset and the caller of this + * function wants the pointer to e8. Simply subtract one. + */ + return addr - 1; +} #endif #endif /* CONFIG_FTRACE */ diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index bb384068272e..d4d6ab453b78 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -162,4 +162,10 @@ static inline void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } #endif +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +extern void ftrace_init(void); +#else +static inline void ftrace_init(void) { } +#endif + #endif /* _LINUX_FTRACE_H */ diff --git a/init/main.c b/init/main.c index 3820323c4c84..ded1fae965ab 100644 --- a/init/main.c +++ b/init/main.c @@ -60,6 +60,7 @@ #include #include #include +#include #include #include @@ -687,6 +688,8 @@ asmlinkage void __init start_kernel(void) acpi_early_init(); /* before LAPIC and SMP init */ + ftrace_init(); + /* Do the rest non-__init'ed, we're now alive */ rest_init(); } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index f6e3af31b403..df96d5990c04 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -792,47 +792,7 @@ static int ftrace_update_code(void) return 1; } -static int ftraced(void *ignore) -{ - unsigned long usecs; - - while (!kthread_should_stop()) { - - set_current_state(TASK_INTERRUPTIBLE); - - /* check once a second */ - schedule_timeout(HZ); - - if (unlikely(ftrace_disabled)) - continue; - - mutex_lock(&ftrace_sysctl_lock); - mutex_lock(&ftraced_lock); - if (!ftraced_suspend && !ftraced_stop && - ftrace_update_code()) { - usecs = nsecs_to_usecs(ftrace_update_time); - if (ftrace_update_tot_cnt > 100000) { - ftrace_update_tot_cnt = 0; - pr_info("hm, dftrace overflow: %lu change%s" - " (%lu total) in %lu usec%s\n", - ftrace_update_cnt, - ftrace_update_cnt != 1 ? "s" : "", - ftrace_update_tot_cnt, - usecs, usecs != 1 ? "s" : ""); - ftrace_disabled = 1; - WARN_ON_ONCE(1); - } - } - mutex_unlock(&ftraced_lock); - mutex_unlock(&ftrace_sysctl_lock); - - ftrace_shutdown_replenish(); - } - __set_current_state(TASK_RUNNING); - return 0; -} - -static int __init ftrace_dyn_table_alloc(void) +static int __init ftrace_dyn_table_alloc(unsigned long num_to_init) { struct ftrace_page *pg; int cnt; @@ -859,7 +819,9 @@ static int __init ftrace_dyn_table_alloc(void) pg = ftrace_pages = ftrace_pages_start; - cnt = NR_TO_INIT / ENTRIES_PER_PAGE; + cnt = num_to_init / ENTRIES_PER_PAGE; + pr_info("ftrace: allocating %ld hash entries in %d pages\n", + num_to_init, cnt); for (i = 0; i < cnt; i++) { pg->next = (void *)get_zeroed_page(GFP_KERNEL); @@ -1556,6 +1518,104 @@ static __init int ftrace_init_debugfs(void) fs_initcall(ftrace_init_debugfs); +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +static int ftrace_convert_nops(unsigned long *start, + unsigned long *end) +{ + unsigned long *p; + unsigned long addr; + unsigned long flags; + + p = start; + while (p < end) { + addr = ftrace_call_adjust(*p++); + ftrace_record_ip(addr); + ftrace_shutdown_replenish(); + } + + /* p is ignored */ + local_irq_save(flags); + __ftrace_update_code(p); + local_irq_restore(flags); + + return 0; +} + +extern unsigned long __start_mcount_loc[]; +extern unsigned long __stop_mcount_loc[]; + +void __init ftrace_init(void) +{ + unsigned long count, addr, flags; + int ret; + + /* Keep the ftrace pointer to the stub */ + addr = (unsigned long)ftrace_stub; + + local_irq_save(flags); + ftrace_dyn_arch_init(&addr); + local_irq_restore(flags); + + /* ftrace_dyn_arch_init places the return code in addr */ + if (addr) + goto failed; + + count = __stop_mcount_loc - __start_mcount_loc; + + ret = ftrace_dyn_table_alloc(count); + if (ret) + goto failed; + + last_ftrace_enabled = ftrace_enabled = 1; + + ret = ftrace_convert_nops(__start_mcount_loc, + __stop_mcount_loc); + + return; + failed: + ftrace_disabled = 1; +} +#else /* CONFIG_FTRACE_MCOUNT_RECORD */ +static int ftraced(void *ignore) +{ + unsigned long usecs; + + while (!kthread_should_stop()) { + + set_current_state(TASK_INTERRUPTIBLE); + + /* check once a second */ + schedule_timeout(HZ); + + if (unlikely(ftrace_disabled)) + continue; + + mutex_lock(&ftrace_sysctl_lock); + mutex_lock(&ftraced_lock); + if (!ftraced_suspend && !ftraced_stop && + ftrace_update_code()) { + usecs = nsecs_to_usecs(ftrace_update_time); + if (ftrace_update_tot_cnt > 100000) { + ftrace_update_tot_cnt = 0; + pr_info("hm, dftrace overflow: %lu change%s" + " (%lu total) in %lu usec%s\n", + ftrace_update_cnt, + ftrace_update_cnt != 1 ? "s" : "", + ftrace_update_tot_cnt, + usecs, usecs != 1 ? "s" : ""); + ftrace_disabled = 1; + WARN_ON_ONCE(1); + } + } + mutex_unlock(&ftraced_lock); + mutex_unlock(&ftrace_sysctl_lock); + + ftrace_shutdown_replenish(); + } + __set_current_state(TASK_RUNNING); + return 0; +} + static int __init ftrace_dynamic_init(void) { struct task_struct *p; @@ -1572,7 +1632,7 @@ static int __init ftrace_dynamic_init(void) goto failed; } - ret = ftrace_dyn_table_alloc(); + ret = ftrace_dyn_table_alloc(NR_TO_INIT); if (ret) goto failed; @@ -1593,6 +1653,8 @@ static int __init ftrace_dynamic_init(void) } core_initcall(ftrace_dynamic_init); +#endif /* CONFIG_FTRACE_MCOUNT_RECORD */ + #else # define ftrace_startup() do { } while (0) # define ftrace_shutdown() do { } while (0) -- GitLab From 90d595fe5ca4b685465c068907e6e554760abea8 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:09 -0400 Subject: [PATCH 4584/6244] ftrace: enable mcount recording for modules This patch enables the loading of the __mcount_section of modules and changing all the callers of mcount into nops. The modification is done before the init_module function is called, so again, we do not need to use kstop_machine to make these changes. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 3 +++ kernel/module.c | 11 +++++++++++ kernel/trace/ftrace.c | 5 +++++ 3 files changed, 19 insertions(+) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index d4d6ab453b78..4936489f9ed8 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -164,8 +164,11 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } #ifdef CONFIG_FTRACE_MCOUNT_RECORD extern void ftrace_init(void); +extern void ftrace_init_module(unsigned long *start, unsigned long *end); #else static inline void ftrace_init(void) { } +static inline void +ftrace_init_module(unsigned long *start, unsigned long *end) { } #endif #endif /* _LINUX_FTRACE_H */ diff --git a/kernel/module.c b/kernel/module.c index 661d73db786e..d753fd9d83ec 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -47,6 +47,7 @@ #include #include #include +#include #if 0 #define DEBUGP printk @@ -1834,6 +1835,7 @@ static noinline struct module *load_module(void __user *umod, unsigned int markersstringsindex; unsigned int tracepointsindex; unsigned int tracepointsstringsindex; + unsigned int mcountindex; struct module *mod; long err = 0; void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */ @@ -2124,6 +2126,9 @@ static noinline struct module *load_module(void __user *umod, tracepointsstringsindex = find_sec(hdr, sechdrs, secstrings, "__tracepoints_strings"); + mcountindex = find_sec(hdr, sechdrs, secstrings, + "__mcount_loc"); + /* Now do relocations. */ for (i = 1; i < hdr->e_shnum; i++) { const char *strtab = (char *)sechdrs[strindex].sh_addr; @@ -2184,6 +2189,12 @@ static noinline struct module *load_module(void __user *umod, mod->tracepoints + mod->num_tracepoints); #endif } + + if (mcountindex) { + void *mseg = (void *)sechdrs[mcountindex].sh_addr; + ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size); + } + err = module_finalize(hdr, sechdrs, mod); if (err < 0) goto cleanup; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index df96d5990c04..ea45bb1c0fd6 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1541,6 +1541,11 @@ static int ftrace_convert_nops(unsigned long *start, return 0; } +void ftrace_init_module(unsigned long *start, unsigned long *end) +{ + ftrace_convert_nops(start, end); +} + extern unsigned long __start_mcount_loc[]; extern unsigned long __stop_mcount_loc[]; -- GitLab From 29e71abf56cebc5c5a4e184a6eb4360cc58554ad Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:10 -0400 Subject: [PATCH 4585/6244] ftrace: rebuild everything on change to FTRACE_MCOUNT_RECORD When enabling or disabling CONFIG_FTRACE_MCOUNT_RECORD, we want a full kernel compile to handle the adding of the __mcount_loc sections. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/kernel.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 75d81f157d2e..ecce4a4ccd5f 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -486,4 +486,9 @@ struct sysinfo { #define NUMA_BUILD 0 #endif +/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */ +#ifdef CONFIG_FTRACE_MCOUNT_RECORD +# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD +#endif + #endif -- GitLab From e4b2b8866121bd06d5f3d9de0f79a04339ffa252 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:11 -0400 Subject: [PATCH 4586/6244] ftrace: enable using mcount recording on x86 Enable the use of the __mcount_loc infrastructure on x86_64 and i386. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index fc8351f374fd..5a34c5427a07 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -25,6 +25,7 @@ config X86 select HAVE_KPROBES select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_KRETPROBES + select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64) -- GitLab From 0a37605c2261a06d8cafc62dee11374ad676c8c4 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 15:45:12 -0400 Subject: [PATCH 4587/6244] ftrace: x86 mcount stub x86 now sets up the mcount locations through the build and no longer needs to record the ip when the function is executed. This patch changes the initial mcount to simply return. There's no need to do any other work. If the ftrace start up test fails, the original mcount will be what everything will use, so having this as fast as possible is a good thing. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 14 -------------- arch/x86/kernel/entry_64.S | 26 -------------------------- arch/x86/kernel/ftrace.c | 14 ++------------ 3 files changed, 2 insertions(+), 52 deletions(-) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index b21fbfaffe39..4e4269c73bb7 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1153,20 +1153,6 @@ ENDPROC(xen_failsafe_callback) #ifdef CONFIG_DYNAMIC_FTRACE ENTRY(mcount) - pushl %eax - pushl %ecx - pushl %edx - movl 0xc(%esp), %eax - subl $MCOUNT_INSN_SIZE, %eax - -.globl mcount_call -mcount_call: - call ftrace_stub - - popl %edx - popl %ecx - popl %eax - ret END(mcount) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 1db6ce4314e1..09e7145484c5 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -64,32 +64,6 @@ #ifdef CONFIG_FTRACE #ifdef CONFIG_DYNAMIC_FTRACE ENTRY(mcount) - - subq $0x38, %rsp - movq %rax, (%rsp) - movq %rcx, 8(%rsp) - movq %rdx, 16(%rsp) - movq %rsi, 24(%rsp) - movq %rdi, 32(%rsp) - movq %r8, 40(%rsp) - movq %r9, 48(%rsp) - - movq 0x38(%rsp), %rdi - subq $MCOUNT_INSN_SIZE, %rdi - -.globl mcount_call -mcount_call: - call ftrace_stub - - movq 48(%rsp), %r9 - movq 40(%rsp), %r8 - movq 32(%rsp), %rdi - movq 24(%rsp), %rsi - movq 16(%rsp), %rdx - movq 8(%rsp), %rcx - movq (%rsp), %rax - addq $0x38, %rsp - retq END(mcount) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index ab115cd15fdf..96aadbfedcc6 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -112,18 +112,8 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func) notrace int ftrace_mcount_set(unsigned long *data) { - unsigned long ip = (long)(&mcount_call); - unsigned long *addr = data; - unsigned char old[MCOUNT_INSN_SIZE], *new; - - /* - * Replace the mcount stub with a pointer to the - * ip recorder function. - */ - memcpy(old, &mcount_call, MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, *addr); - *addr = ftrace_modify_code(ip, old, new); - + /* mcount is initialized as a nop */ + *data = 0; return 0; } -- GitLab From 732f3ca7d4ba3c1be8d051d52302ef441ee7748b Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 18:05:05 -0400 Subject: [PATCH 4588/6244] ftrace: use only 5 byte nops for x86 Mathieu Desnoyers revealed a bug in the original code. The nop that is used to relpace the mcount caller can be a two part nop. This runs the risk where a process can be preempted after executing the first nop, but before the second part of the nop. The ftrace code calls kstop_machine to keep multiple CPUs from executing code that is being modified, but it does not protect against a task preempting in the middle of a two part nop. If the above preemption happens and the tracer is enabled, after the kstop_machine runs, all those nops will be calls to the trace function. If the preempted process that was preempted between the two nops is executed again, it will execute half of the call to the trace function, and this might crash the system. This patch instead uses what both the latest Intel and AMD spec suggests. That is the P6_NOP5 sequence of "0x0f 0x1f 0x44 0x00 0x00". Note, some older CPUs and QEMU might fault on this nop, so this nop is executed with fault handling first. If it detects a fault, it will then use the code "0x66 0x66 0x66 0x66 0x90". If that faults, it will then default to a simple "jmp 1f; .byte 0x00 0x00 0x00; 1:". The jmp is not optimal but will do if the first two can not be executed. TODO: Examine the cpuid to determine the nop to use. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/kernel/ftrace.c | 68 +++++++++++++++++++++++++++++++++++----- 1 file changed, 61 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 96aadbfedcc6..4151c91254e8 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -16,8 +16,8 @@ #include #include -#include #include +#include /* Long is fine, even if it is only 4 bytes ;-) */ @@ -119,13 +119,67 @@ notrace int ftrace_mcount_set(unsigned long *data) int __init ftrace_dyn_arch_init(void *data) { - const unsigned char *const *noptable = find_nop_table(); - - /* This is running in kstop_machine */ - - ftrace_mcount_set(data); + extern const unsigned char ftrace_test_p6nop[]; + extern const unsigned char ftrace_test_nop5[]; + extern const unsigned char ftrace_test_jmp[]; + int faulted = 0; - ftrace_nop = (unsigned long *)noptable[MCOUNT_INSN_SIZE]; + /* + * There is no good nop for all x86 archs. + * We will default to using the P6_NOP5, but first we + * will test to make sure that the nop will actually + * work on this CPU. If it faults, we will then + * go to a lesser efficient 5 byte nop. If that fails + * we then just use a jmp as our nop. This isn't the most + * efficient nop, but we can not use a multi part nop + * since we would then risk being preempted in the middle + * of that nop, and if we enabled tracing then, it might + * cause a system crash. + * + * TODO: check the cpuid to determine the best nop. + */ + asm volatile ( + "jmp ftrace_test_jmp\n" + /* This code needs to stay around */ + ".section .text, \"ax\"\n" + "ftrace_test_jmp:" + "jmp ftrace_test_p6nop\n" + ".byte 0x00,0x00,0x00\n" /* 2 byte jmp + 3 bytes */ + "ftrace_test_p6nop:" + P6_NOP5 + "jmp 1f\n" + "ftrace_test_nop5:" + ".byte 0x66,0x66,0x66,0x66,0x90\n" + "jmp 1f\n" + ".previous\n" + "1:" + ".section .fixup, \"ax\"\n" + "2: movl $1, %0\n" + " jmp ftrace_test_nop5\n" + "3: movl $2, %0\n" + " jmp 1b\n" + ".previous\n" + _ASM_EXTABLE(ftrace_test_p6nop, 2b) + _ASM_EXTABLE(ftrace_test_nop5, 3b) + : "=r"(faulted) : "0" (faulted)); + + switch (faulted) { + case 0: + pr_info("ftrace: converting mcount calls to 0f 1f 44 00 00\n"); + ftrace_nop = (unsigned long *)ftrace_test_p6nop; + break; + case 1: + pr_info("ftrace: converting mcount calls to 66 66 66 66 90\n"); + ftrace_nop = (unsigned long *)ftrace_test_nop5; + break; + case 2: + pr_info("ftrace: converting mcount calls to jmp 1f\n"); + ftrace_nop = (unsigned long *)ftrace_test_jmp; + break; + } + + /* The return code is retured via data */ + *(unsigned long *)data = 0; return 0; } -- GitLab From a9fdda33cd7c7519b082e37538fe790f9ff684bb Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 22:47:17 -0400 Subject: [PATCH 4589/6244] ftrace: do not show freed records in available_filter_functions Seems that freed records can appear in the available_filter_functions list. This patch fixes that. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index ea45bb1c0fd6..8affb6d00ec1 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -872,15 +872,13 @@ t_next(struct seq_file *m, void *v, loff_t *pos) } } else { rec = &iter->pg->records[iter->idx++]; - if ((!(iter->flags & FTRACE_ITER_FAILURES) && + if ((rec->flags & FTRACE_FL_FREE) || + + (!(iter->flags & FTRACE_ITER_FAILURES) && (rec->flags & FTRACE_FL_FAILED)) || ((iter->flags & FTRACE_ITER_FAILURES) && - (!(rec->flags & FTRACE_FL_FAILED) || - (rec->flags & FTRACE_FL_FREE))) || - - ((iter->flags & FTRACE_ITER_FILTER) && - !(rec->flags & FTRACE_FL_FILTER)) || + !(rec->flags & FTRACE_FL_FAILED)) || ((iter->flags & FTRACE_ITER_NOTRACE) && !(rec->flags & FTRACE_FL_NOTRACE))) { -- GitLab From 28614889bcb2558a47d02d52394b7fd9795a9547 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 22:47:18 -0400 Subject: [PATCH 4590/6244] ftrace: move notrace to compiler.h The notrace define belongs in compiler.h so that it can be used in init.h Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/compiler.h | 2 ++ include/linux/linkage.h | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 8322141ee480..98115d9d04da 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -44,6 +44,8 @@ extern void __chk_io_ptr(const volatile void __iomem *); # error Sorry, your compiler is too old/not recognized. #endif +#define notrace __attribute__((no_instrument_function)) + /* Intel compiler defines __GNUC__. So we will overwrite implementations * coming from above header files here */ diff --git a/include/linux/linkage.h b/include/linux/linkage.h index 56ba37394656..9fd1f859021b 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -4,8 +4,6 @@ #include #include -#define notrace __attribute__((no_instrument_function)) - #ifdef __cplusplus #define CPP_ASMLINKAGE extern "C" #else -- GitLab From fed1939c64d2288938fdc1c367d49082da65e195 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 14 Aug 2008 22:47:19 -0400 Subject: [PATCH 4591/6244] ftrace: remove old pointers to mcount When a mcount pointer is recorded into a table, it is used to add or remove calls to mcount (replacing them with nops). If the code is removed via removing a module, the pointers still exist. At modifying the code a check is always made to make sure the code being replaced is the code expected. In-other-words, the code being replaced is compared to what it is expected to be before being replaced. There is a very small chance that the code being replaced just happens to look like code that calls mcount (very small since the call to mcount is relative). To remove this chance, this patch adds ftrace_release to allow module unloading to remove the pointers to mcount within the module. Another change for init calls is made to not trace calls marked with __init. The tracing can not be started until after init is done anyway. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 2 ++ include/linux/init.h | 2 +- kernel/module.c | 12 ++++++++---- kernel/trace/ftrace.c | 32 ++++++++++++++++++++++++++++++-- 4 files changed, 41 insertions(+), 7 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 4936489f9ed8..6b232a2460c0 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -165,10 +165,12 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } #ifdef CONFIG_FTRACE_MCOUNT_RECORD extern void ftrace_init(void); extern void ftrace_init_module(unsigned long *start, unsigned long *end); +extern void ftrace_release(void *start, unsigned long size); #else static inline void ftrace_init(void) { } static inline void ftrace_init_module(unsigned long *start, unsigned long *end) { } +static inline void ftrace_release(void *start, unsigned long size) { } #endif #endif /* _LINUX_FTRACE_H */ diff --git a/include/linux/init.h b/include/linux/init.h index 93538b696e3d..27f61f6b3cb9 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -40,7 +40,7 @@ /* These are for everybody (although not all archs will actually discard it in modules) */ -#define __init __section(.init.text) __cold +#define __init __section(.init.text) __cold notrace #define __initdata __section(.init.data) #define __initconst __section(.init.rodata) #define __exitdata __section(.exit.data) diff --git a/kernel/module.c b/kernel/module.c index d753fd9d83ec..7576c2d9462f 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1431,6 +1431,9 @@ static void free_module(struct module *mod) /* Module unload stuff */ module_unload_free(mod); + /* release any pointers to mcount in this module */ + ftrace_release(mod->module_core, mod->core_size); + /* This may be NULL, but that's OK */ module_free(mod, mod->module_init); kfree(mod->args); @@ -1839,6 +1842,7 @@ static noinline struct module *load_module(void __user *umod, struct module *mod; long err = 0; void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */ + void *mseg; struct exception_table_entry *extable; mm_segment_t old_fs; @@ -2190,10 +2194,9 @@ static noinline struct module *load_module(void __user *umod, #endif } - if (mcountindex) { - void *mseg = (void *)sechdrs[mcountindex].sh_addr; - ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size); - } + /* sechdrs[0].sh_size is always zero */ + mseg = (void *)sechdrs[mcountindex].sh_addr; + ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size); err = module_finalize(hdr, sechdrs, mod); if (err < 0) @@ -2264,6 +2267,7 @@ static noinline struct module *load_module(void __user *umod, cleanup: kobject_del(&mod->mkobj.kobj); kobject_put(&mod->mkobj.kobj); + ftrace_release(mod->module_core, mod->core_size); free_unload: module_unload_free(mod); module_free(mod, mod->module_init); diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8affb6d00ec1..eadd0eaea9b6 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -294,13 +294,37 @@ static inline void ftrace_del_hash(struct dyn_ftrace *node) static void ftrace_free_rec(struct dyn_ftrace *rec) { - /* no locking, only called from kstop_machine */ - rec->ip = (unsigned long)ftrace_free_records; ftrace_free_records = rec; rec->flags |= FTRACE_FL_FREE; } +void ftrace_release(void *start, unsigned long size) +{ + struct dyn_ftrace *rec; + struct ftrace_page *pg; + unsigned long s = (unsigned long)start; + unsigned long e = s + size; + int i; + + if (!start) + return; + + /* No interrupt should call this */ + spin_lock(&ftrace_lock); + + for (pg = ftrace_pages_start; pg; pg = pg->next) { + for (i = 0; i < pg->index; i++) { + rec = &pg->records[i]; + + if ((rec->ip >= s) && (rec->ip < e)) + ftrace_free_rec(rec); + } + } + spin_unlock(&ftrace_lock); + +} + static struct dyn_ftrace *ftrace_alloc_dyn_node(unsigned long ip) { struct dyn_ftrace *rec; @@ -1527,7 +1551,9 @@ static int ftrace_convert_nops(unsigned long *start, p = start; while (p < end) { addr = ftrace_call_adjust(*p++); + spin_lock(&ftrace_lock); ftrace_record_ip(addr); + spin_unlock(&ftrace_lock); ftrace_shutdown_replenish(); } @@ -1541,6 +1567,8 @@ static int ftrace_convert_nops(unsigned long *start, void ftrace_init_module(unsigned long *start, unsigned long *end) { + if (start == end) + return; ftrace_convert_nops(start, end); } -- GitLab From 2e2ca155cd2213b4f398031180fb3d399d5b7db9 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 1 Aug 2008 12:26:40 -0400 Subject: [PATCH 4592/6244] ftrace: new continue entry - separate out from trace_entry Some tracers will need to work with more than one entry. In order to do this the trace_entry structure was split into two fields. One for the start of all entries, and one to continue an existing entry. The trace_entry structure now has a "field" entry that consists of the previous content of the trace_entry, and a "cont" entry that is just a string buffer the size of the "field" entry. Thanks to Andrew Morton for suggesting this idea. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 267 +++++++++++++++++---------------- kernel/trace/trace.h | 17 ++- kernel/trace/trace_mmiotrace.c | 12 +- 3 files changed, 160 insertions(+), 136 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8f3fb3db61c3..76dfe6d2466c 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -817,10 +817,11 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) pc = preempt_count(); - entry->preempt_count = pc & 0xff; - entry->pid = (tsk) ? tsk->pid : 0; - entry->t = ftrace_now(raw_smp_processor_id()); - entry->flags = (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | + entry->field.preempt_count = pc & 0xff; + entry->field.pid = (tsk) ? tsk->pid : 0; + entry->field.t = ftrace_now(raw_smp_processor_id()); + entry->field.flags = + (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | ((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) | ((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) | (need_resched() ? TRACE_FLAG_NEED_RESCHED : 0); @@ -835,11 +836,11 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, raw_local_irq_save(irq_flags); __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, flags); - entry->type = TRACE_FN; - entry->fn.ip = ip; - entry->fn.parent_ip = parent_ip; + entry->type = TRACE_FN; + entry->field.fn.ip = ip; + entry->field.fn.parent_ip = parent_ip; __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); } @@ -862,10 +863,10 @@ void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data, raw_local_irq_save(irq_flags); __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_RW; - entry->mmiorw = *rw; + entry->type = TRACE_MMIO_RW; + entry->field.mmiorw = *rw; __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -882,10 +883,10 @@ void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data, raw_local_irq_save(irq_flags); __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_MAP; - entry->mmiomap = *map; + entry->type = TRACE_MMIO_MAP; + entry->field.mmiomap = *map; __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -909,12 +910,12 @@ void __trace_stack(struct trace_array *tr, tracing_generic_entry_update(entry, flags); entry->type = TRACE_STACK; - memset(&entry->stack, 0, sizeof(entry->stack)); + memset(&entry->field.stack, 0, sizeof(entry->field.stack)); trace.nr_entries = 0; trace.max_entries = FTRACE_STACK_ENTRIES; trace.skip = skip; - trace.entries = entry->stack.caller; + trace.entries = entry->field.stack.caller; save_stack_trace(&trace); } @@ -930,12 +931,12 @@ __trace_special(void *__tr, void *__data, raw_local_irq_save(irq_flags); __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, 0); - entry->type = TRACE_SPECIAL; - entry->special.arg1 = arg1; - entry->special.arg2 = arg2; - entry->special.arg3 = arg3; + entry->type = TRACE_SPECIAL; + entry->field.special.arg1 = arg1; + entry->field.special.arg2 = arg2; + entry->field.special.arg3 = arg3; __trace_stack(tr, data, irq_flags, 4); __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -955,15 +956,15 @@ tracing_sched_switch_trace(struct trace_array *tr, raw_local_irq_save(irq_flags); __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, flags); - entry->type = TRACE_CTX; - entry->ctx.prev_pid = prev->pid; - entry->ctx.prev_prio = prev->prio; - entry->ctx.prev_state = prev->state; - entry->ctx.next_pid = next->pid; - entry->ctx.next_prio = next->prio; - entry->ctx.next_state = next->state; + entry->type = TRACE_CTX; + entry->field.ctx.prev_pid = prev->pid; + entry->field.ctx.prev_prio = prev->prio; + entry->field.ctx.prev_state = prev->state; + entry->field.ctx.next_pid = next->pid; + entry->field.ctx.next_prio = next->prio; + entry->field.ctx.next_state = next->state; __trace_stack(tr, data, flags, 5); __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -984,12 +985,12 @@ tracing_sched_wakeup_trace(struct trace_array *tr, entry = tracing_get_trace_entry(tr, data); tracing_generic_entry_update(entry, flags); entry->type = TRACE_WAKE; - entry->ctx.prev_pid = curr->pid; - entry->ctx.prev_prio = curr->prio; - entry->ctx.prev_state = curr->state; - entry->ctx.next_pid = wakee->pid; - entry->ctx.next_prio = wakee->prio; - entry->ctx.next_state = wakee->state; + entry->field.ctx.prev_pid = curr->pid; + entry->field.ctx.prev_prio = curr->prio; + entry->field.ctx.prev_state = curr->state; + entry->field.ctx.next_pid = wakee->pid; + entry->field.ctx.next_prio = wakee->prio; + entry->field.ctx.next_state = wakee->state; __trace_stack(tr, data, flags, 6); __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -1118,7 +1119,7 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu) /* * Pick the entry with the smallest timestamp: */ - if (ent && (!next || ent->t < next->t)) { + if (ent && (!next || ent->field.t < next->field.t)) { next = ent; next_cpu = cpu; } @@ -1422,19 +1423,20 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter) static void lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) { + struct trace_field *field = &entry->field; int hardirq, softirq; char *comm; - comm = trace_find_cmdline(entry->pid); + comm = trace_find_cmdline(field->pid); - trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid); + trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid); trace_seq_printf(s, "%d", cpu); trace_seq_printf(s, "%c%c", - (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', - ((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); + (field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', + ((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); - hardirq = entry->flags & TRACE_FLAG_HARDIRQ; - softirq = entry->flags & TRACE_FLAG_SOFTIRQ; + hardirq = field->flags & TRACE_FLAG_HARDIRQ; + softirq = field->flags & TRACE_FLAG_SOFTIRQ; if (hardirq && softirq) { trace_seq_putc(s, 'H'); } else { @@ -1448,8 +1450,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) } } - if (entry->preempt_count) - trace_seq_printf(s, "%x", entry->preempt_count); + if (field->preempt_count) + trace_seq_printf(s, "%x", field->preempt_count); else trace_seq_puts(s, "."); } @@ -1479,6 +1481,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) struct trace_entry *next_entry = find_next_entry(iter, NULL); unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE); struct trace_entry *entry = iter->ent; + struct trace_field *field = &entry->field; unsigned long abs_usecs; unsigned long rel_usecs; char *comm; @@ -1488,17 +1491,17 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) if (!next_entry) next_entry = entry; - rel_usecs = ns2usecs(next_entry->t - entry->t); - abs_usecs = ns2usecs(entry->t - iter->tr->time_start); + rel_usecs = ns2usecs(next_entry->field.t - entry->field.t); + abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start); if (verbose) { - comm = trace_find_cmdline(entry->pid); + comm = trace_find_cmdline(field->pid); trace_seq_printf(s, "%16s %5d %d %d %08x %08x [%08lx]" " %ld.%03ldms (+%ld.%03ldms): ", comm, - entry->pid, cpu, entry->flags, - entry->preempt_count, trace_idx, - ns2usecs(entry->t), + field->pid, cpu, field->flags, + field->preempt_count, trace_idx, + ns2usecs(field->t), abs_usecs/1000, abs_usecs % 1000, rel_usecs/1000, rel_usecs % 1000); @@ -1508,41 +1511,42 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) } switch (entry->type) { case TRACE_FN: - seq_print_ip_sym(s, entry->fn.ip, sym_flags); + seq_print_ip_sym(s, field->fn.ip, sym_flags); trace_seq_puts(s, " ("); - if (kretprobed(entry->fn.parent_ip)) + if (kretprobed(field->fn.parent_ip)) trace_seq_puts(s, KRETPROBE_MSG); else - seq_print_ip_sym(s, entry->fn.parent_ip, sym_flags); + seq_print_ip_sym(s, field->fn.parent_ip, sym_flags); trace_seq_puts(s, ")\n"); break; case TRACE_CTX: case TRACE_WAKE: - T = entry->ctx.next_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.next_state] : 'X'; + T = field->ctx.next_state < sizeof(state_to_char) ? + state_to_char[field->ctx.next_state] : 'X'; - state = entry->ctx.prev_state ? __ffs(entry->ctx.prev_state) + 1 : 0; + state = field->ctx.prev_state ? + __ffs(field->ctx.prev_state) + 1 : 0; S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X'; - comm = trace_find_cmdline(entry->ctx.next_pid); + comm = trace_find_cmdline(field->ctx.next_pid); trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c %s\n", - entry->ctx.prev_pid, - entry->ctx.prev_prio, + field->ctx.prev_pid, + field->ctx.prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", - entry->ctx.next_pid, - entry->ctx.next_prio, + field->ctx.next_pid, + field->ctx.next_prio, T, comm); break; case TRACE_SPECIAL: trace_seq_printf(s, "# %ld %ld %ld\n", - entry->special.arg1, - entry->special.arg2, - entry->special.arg3); + field->special.arg1, + field->special.arg2, + field->special.arg3); break; case TRACE_STACK: for (i = 0; i < FTRACE_STACK_ENTRIES; i++) { if (i) trace_seq_puts(s, " <= "); - seq_print_ip_sym(s, entry->stack.caller[i], sym_flags); + seq_print_ip_sym(s, field->stack.caller[i], sym_flags); } trace_seq_puts(s, "\n"); break; @@ -1557,6 +1561,7 @@ static int print_trace_fmt(struct trace_iterator *iter) struct trace_seq *s = &iter->seq; unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); struct trace_entry *entry; + struct trace_field *field; unsigned long usec_rem; unsigned long long t; unsigned long secs; @@ -1566,14 +1571,15 @@ static int print_trace_fmt(struct trace_iterator *iter) int i; entry = iter->ent; + field = &entry->field; - comm = trace_find_cmdline(iter->ent->pid); + comm = trace_find_cmdline(iter->ent->field.pid); - t = ns2usecs(entry->t); + t = ns2usecs(field->t); usec_rem = do_div(t, 1000000ULL); secs = (unsigned long)t; - ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid); + ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid); if (!ret) return 0; ret = trace_seq_printf(s, "[%02d] ", iter->cpu); @@ -1585,18 +1591,19 @@ static int print_trace_fmt(struct trace_iterator *iter) switch (entry->type) { case TRACE_FN: - ret = seq_print_ip_sym(s, entry->fn.ip, sym_flags); + ret = seq_print_ip_sym(s, field->fn.ip, sym_flags); if (!ret) return 0; if ((sym_flags & TRACE_ITER_PRINT_PARENT) && - entry->fn.parent_ip) { + field->fn.parent_ip) { ret = trace_seq_printf(s, " <-"); if (!ret) return 0; - if (kretprobed(entry->fn.parent_ip)) + if (kretprobed(field->fn.parent_ip)) ret = trace_seq_puts(s, KRETPROBE_MSG); else - ret = seq_print_ip_sym(s, entry->fn.parent_ip, + ret = seq_print_ip_sym(s, + field->fn.parent_ip, sym_flags); if (!ret) return 0; @@ -1607,26 +1614,26 @@ static int print_trace_fmt(struct trace_iterator *iter) break; case TRACE_CTX: case TRACE_WAKE: - S = entry->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.prev_state] : 'X'; - T = entry->ctx.next_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.next_state] : 'X'; + S = field->ctx.prev_state < sizeof(state_to_char) ? + state_to_char[field->ctx.prev_state] : 'X'; + T = field->ctx.next_state < sizeof(state_to_char) ? + state_to_char[field->ctx.next_state] : 'X'; ret = trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c\n", - entry->ctx.prev_pid, - entry->ctx.prev_prio, + field->ctx.prev_pid, + field->ctx.prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", - entry->ctx.next_pid, - entry->ctx.next_prio, + field->ctx.next_pid, + field->ctx.next_prio, T); if (!ret) return 0; break; case TRACE_SPECIAL: ret = trace_seq_printf(s, "# %ld %ld %ld\n", - entry->special.arg1, - entry->special.arg2, - entry->special.arg3); + field->special.arg1, + field->special.arg2, + field->special.arg3); if (!ret) return 0; break; @@ -1637,7 +1644,7 @@ static int print_trace_fmt(struct trace_iterator *iter) if (!ret) return 0; } - ret = seq_print_ip_sym(s, entry->stack.caller[i], + ret = seq_print_ip_sym(s, field->stack.caller[i], sym_flags); if (!ret) return 0; @@ -1654,37 +1661,40 @@ static int print_raw_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; + struct trace_field *field; int ret; int S, T; entry = iter->ent; + field = &entry->field; ret = trace_seq_printf(s, "%d %d %llu ", - entry->pid, iter->cpu, entry->t); + field->pid, iter->cpu, field->t); if (!ret) return 0; switch (entry->type) { case TRACE_FN: ret = trace_seq_printf(s, "%x %x\n", - entry->fn.ip, entry->fn.parent_ip); + field->fn.ip, + field->fn.parent_ip); if (!ret) return 0; break; case TRACE_CTX: case TRACE_WAKE: - S = entry->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.prev_state] : 'X'; - T = entry->ctx.next_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.next_state] : 'X'; + S = field->ctx.prev_state < sizeof(state_to_char) ? + state_to_char[field->ctx.prev_state] : 'X'; + T = field->ctx.next_state < sizeof(state_to_char) ? + state_to_char[field->ctx.next_state] : 'X'; if (entry->type == TRACE_WAKE) S = '+'; ret = trace_seq_printf(s, "%d %d %c %d %d %c\n", - entry->ctx.prev_pid, - entry->ctx.prev_prio, + field->ctx.prev_pid, + field->ctx.prev_prio, S, - entry->ctx.next_pid, - entry->ctx.next_prio, + field->ctx.next_pid, + field->ctx.next_prio, T); if (!ret) return 0; @@ -1692,9 +1702,9 @@ static int print_raw_fmt(struct trace_iterator *iter) case TRACE_SPECIAL: case TRACE_STACK: ret = trace_seq_printf(s, "# %ld %ld %ld\n", - entry->special.arg1, - entry->special.arg2, - entry->special.arg3); + field->special.arg1, + field->special.arg2, + field->special.arg3); if (!ret) return 0; break; @@ -1719,40 +1729,41 @@ static int print_hex_fmt(struct trace_iterator *iter) struct trace_seq *s = &iter->seq; unsigned char newline = '\n'; struct trace_entry *entry; + struct trace_field *field; int S, T; entry = iter->ent; + field = &entry->field; - SEQ_PUT_HEX_FIELD_RET(s, entry->pid); + SEQ_PUT_HEX_FIELD_RET(s, field->pid); SEQ_PUT_HEX_FIELD_RET(s, iter->cpu); - SEQ_PUT_HEX_FIELD_RET(s, entry->t); + SEQ_PUT_HEX_FIELD_RET(s, field->t); switch (entry->type) { case TRACE_FN: - SEQ_PUT_HEX_FIELD_RET(s, entry->fn.ip); - SEQ_PUT_HEX_FIELD_RET(s, entry->fn.parent_ip); + SEQ_PUT_HEX_FIELD_RET(s, field->fn.ip); + SEQ_PUT_HEX_FIELD_RET(s, field->fn.parent_ip); break; case TRACE_CTX: case TRACE_WAKE: - S = entry->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.prev_state] : 'X'; - T = entry->ctx.next_state < sizeof(state_to_char) ? - state_to_char[entry->ctx.next_state] : 'X'; + S = field->ctx.prev_state < sizeof(state_to_char) ? + state_to_char[field->ctx.prev_state] : 'X'; + T = field->ctx.next_state < sizeof(state_to_char) ? + state_to_char[field->ctx.next_state] : 'X'; if (entry->type == TRACE_WAKE) S = '+'; - SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.prev_pid); - SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.prev_prio); + SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid); + SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio); SEQ_PUT_HEX_FIELD_RET(s, S); - SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.next_pid); - SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.next_prio); - SEQ_PUT_HEX_FIELD_RET(s, entry->fn.parent_ip); + SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid); + SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio); SEQ_PUT_HEX_FIELD_RET(s, T); break; case TRACE_SPECIAL: case TRACE_STACK: - SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg1); - SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg2); - SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg3); + SEQ_PUT_HEX_FIELD_RET(s, field->special.arg1); + SEQ_PUT_HEX_FIELD_RET(s, field->special.arg2); + SEQ_PUT_HEX_FIELD_RET(s, field->special.arg3); break; } SEQ_PUT_FIELD_RET(s, newline); @@ -1764,31 +1775,33 @@ static int print_bin_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; + struct trace_field *field; entry = iter->ent; + field = &entry->field; - SEQ_PUT_FIELD_RET(s, entry->pid); - SEQ_PUT_FIELD_RET(s, entry->cpu); - SEQ_PUT_FIELD_RET(s, entry->t); + SEQ_PUT_FIELD_RET(s, field->pid); + SEQ_PUT_FIELD_RET(s, field->cpu); + SEQ_PUT_FIELD_RET(s, field->t); switch (entry->type) { case TRACE_FN: - SEQ_PUT_FIELD_RET(s, entry->fn.ip); - SEQ_PUT_FIELD_RET(s, entry->fn.parent_ip); + SEQ_PUT_FIELD_RET(s, field->fn.ip); + SEQ_PUT_FIELD_RET(s, field->fn.parent_ip); break; case TRACE_CTX: - SEQ_PUT_FIELD_RET(s, entry->ctx.prev_pid); - SEQ_PUT_FIELD_RET(s, entry->ctx.prev_prio); - SEQ_PUT_FIELD_RET(s, entry->ctx.prev_state); - SEQ_PUT_FIELD_RET(s, entry->ctx.next_pid); - SEQ_PUT_FIELD_RET(s, entry->ctx.next_prio); - SEQ_PUT_FIELD_RET(s, entry->ctx.next_state); + SEQ_PUT_FIELD_RET(s, field->ctx.prev_pid); + SEQ_PUT_FIELD_RET(s, field->ctx.prev_prio); + SEQ_PUT_FIELD_RET(s, field->ctx.prev_state); + SEQ_PUT_FIELD_RET(s, field->ctx.next_pid); + SEQ_PUT_FIELD_RET(s, field->ctx.next_prio); + SEQ_PUT_FIELD_RET(s, field->ctx.next_state); break; case TRACE_SPECIAL: case TRACE_STACK: - SEQ_PUT_FIELD_RET(s, entry->special.arg1); - SEQ_PUT_FIELD_RET(s, entry->special.arg2); - SEQ_PUT_FIELD_RET(s, entry->special.arg3); + SEQ_PUT_FIELD_RET(s, field->special.arg1); + SEQ_PUT_FIELD_RET(s, field->special.arg2); + SEQ_PUT_FIELD_RET(s, field->special.arg3); break; } return 1; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f69f86788c2b..6ddd6a6556cf 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -61,13 +61,12 @@ struct stack_entry { }; /* - * The trace entry - the most basic unit of tracing. This is what + * The trace field - the most basic unit of tracing. This is what * is printed in the end as a single line in the trace output, such as: * * bash-15816 [01] 235.197585: idle_cpu <- irq_enter */ -struct trace_entry { - char type; +struct trace_field { char cpu; char flags; char preempt_count; @@ -83,6 +82,18 @@ struct trace_entry { }; }; +struct trace_field_cont { + char buf[sizeof(struct trace_field)]; +}; + +struct trace_entry { + char type; + union { + struct trace_field field; + struct trace_field_cont cont; + }; +}; + #define TRACE_ENTRY_SIZE sizeof(struct trace_entry) /* diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index b13dc19dcbb4..9b7a936f4b1f 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -174,14 +174,14 @@ print_out: static int mmio_print_rw(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct mmiotrace_rw *rw = &entry->mmiorw; + struct mmiotrace_rw *rw = &entry->field.mmiorw; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->t); + unsigned long long t = ns2usecs(entry->field.t); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; - switch (entry->mmiorw.opcode) { + switch (entry->field.mmiorw.opcode) { case MMIO_READ: ret = trace_seq_printf(s, "R %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n", @@ -216,14 +216,14 @@ static int mmio_print_rw(struct trace_iterator *iter) static int mmio_print_map(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct mmiotrace_map *m = &entry->mmiomap; + struct mmiotrace_map *m = &entry->field.mmiomap; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->t); + unsigned long long t = ns2usecs(entry->field.t); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; - switch (entry->mmiorw.opcode) { + switch (entry->field.mmiorw.opcode) { case MMIO_PROBE: ret = trace_seq_printf(s, "MAP %lu.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n", -- GitLab From dd0e545f061f90099a3dcc13aa77e29c6295cf23 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 1 Aug 2008 12:26:41 -0400 Subject: [PATCH 4593/6244] ftrace: printk formatting infrastructure This patch adds a feature that can help kernel developers debug their code using ftrace. int ftrace_printk(const char *fmt, ...); This records into the ftrace buffer using printf formatting. The entry size in the buffers are still a fixed length. A new type has been added that allows for more entries to be used for a single recording. The start of the print is still the same as the other entries. It returns the number of characters written to the ftrace buffer. For example: Having a module with the following code: static int __init ftrace_print_test(void) { ftrace_printk("jiffies are %ld\n", jiffies); return 0; } Gives me: insmod-5441 3...1 7569us : ftrace_print_test: jiffies are 4296626666 for the latency_trace file and: insmod-5441 [03] 1959.370498: ftrace_print_test jiffies are 4296626666 for the trace file. Note: Only the infrastructure should go into the kernel. It is to help facilitate debugging for other kernel developers. Calls to ftrace_printk is not intended to be left in the kernel, and should be frowned upon just like scattering printks around in the code. But having this easily at your fingertips helps the debugging go faster and bugs be solved quicker. Maybe later on, we can hook this with markers and have their printf format be sucked into ftrace output. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 10 ++ kernel/trace/trace.c | 273 ++++++++++++++++++++++++++++++---- kernel/trace/trace.h | 11 ++ kernel/trace/trace_selftest.c | 11 +- 4 files changed, 272 insertions(+), 33 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 6b232a2460c0..f53b975e32fa 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -157,9 +157,18 @@ static inline void __ftrace_enabled_restore(int enabled) #ifdef CONFIG_TRACING extern void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3); +# define ftrace_printk(x...) __ftrace_printk(_THIS_IP_, x) +extern int +__ftrace_printk(unsigned long ip, const char *fmt, ...) + __attribute__ ((format (printf, 2, 3))); #else static inline void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } +static inline int +ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0))) +{ + return 0; +} #endif #ifdef CONFIG_FTRACE_MCOUNT_RECORD @@ -173,4 +182,5 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { } static inline void ftrace_release(void *start, unsigned long size) { } #endif + #endif /* _LINUX_FTRACE_H */ diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 76dfe6d2466c..a917bea82715 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -197,12 +197,14 @@ unsigned long nsecs_to_usecs(unsigned long nsecs) * NEED_RESCED - reschedule is requested * HARDIRQ - inside an interrupt handler * SOFTIRQ - inside a softirq handler + * CONT - multiple entries hold the trace item */ enum trace_flag_type { TRACE_FLAG_IRQS_OFF = 0x01, TRACE_FLAG_NEED_RESCHED = 0x02, TRACE_FLAG_HARDIRQ = 0x04, TRACE_FLAG_SOFTIRQ = 0x08, + TRACE_FLAG_CONT = 0x10, }; /* @@ -1074,6 +1076,7 @@ enum trace_file_type { TRACE_FILE_LAT_FMT = 1, }; +/* Return the current entry. */ static struct trace_entry * trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data, struct trace_iterator *iter, int cpu) @@ -1104,8 +1107,58 @@ trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data, return &array[iter->next_page_idx[cpu]]; } +/* Increment the index counter of an iterator by one */ +static void trace_iterator_increment(struct trace_iterator *iter, int cpu) +{ + iter->idx++; + iter->next_idx[cpu]++; + iter->next_page_idx[cpu]++; + + if (iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE) { + struct trace_array_cpu *data = iter->tr->data[cpu]; + + iter->next_page_idx[cpu] = 0; + iter->next_page[cpu] = + trace_next_list(data, iter->next_page[cpu]); + } +} + static struct trace_entry * -find_next_entry(struct trace_iterator *iter, int *ent_cpu) +trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data, + struct trace_iterator *iter, int cpu) +{ + struct list_head *next_page; + struct trace_entry *ent; + int idx, next_idx, next_page_idx; + + ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); + + if (likely(!ent || ent->type != TRACE_CONT)) + return ent; + + /* save the iterator details */ + idx = iter->idx; + next_idx = iter->next_idx[cpu]; + next_page_idx = iter->next_page_idx[cpu]; + next_page = iter->next_page[cpu]; + + /* find a real entry */ + do { + trace_iterator_increment(iter, cpu); + ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); + } while (ent && ent->type != TRACE_CONT); + + /* reset the iterator */ + iter->idx = idx; + iter->next_idx[cpu] = next_idx; + iter->next_page_idx[cpu] = next_page_idx; + iter->next_page[cpu] = next_page; + + return ent; +} + +static struct trace_entry * +__find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc) { struct trace_array *tr = iter->tr; struct trace_entry *ent, *next = NULL; @@ -1115,7 +1168,23 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu) for_each_tracing_cpu(cpu) { if (!head_page(tr->data[cpu])) continue; + ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); + + if (ent && ent->type == TRACE_CONT) { + struct trace_array_cpu *data = tr->data[cpu]; + + if (!inc) + ent = trace_entry_next(tr, data, iter, cpu); + else { + while (ent && ent->type == TRACE_CONT) { + trace_iterator_increment(iter, cpu); + ent = trace_entry_idx(tr, tr->data[cpu], + iter, cpu); + } + } + } + /* * Pick the entry with the smallest timestamp: */ @@ -1131,25 +1200,39 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu) return next; } -static void trace_iterator_increment(struct trace_iterator *iter) +/* Find the next real entry, without updating the iterator itself */ +static struct trace_entry * +find_next_entry(struct trace_iterator *iter, int *ent_cpu) { - iter->idx++; - iter->next_idx[iter->cpu]++; - iter->next_page_idx[iter->cpu]++; + return __find_next_entry(iter, ent_cpu, 0); +} + +/* Find the next real entry, and increment the iterator to the next entry */ +static void *find_next_entry_inc(struct trace_iterator *iter) +{ + struct trace_entry *next; + int next_cpu = -1; - if (iter->next_page_idx[iter->cpu] >= ENTRIES_PER_PAGE) { - struct trace_array_cpu *data = iter->tr->data[iter->cpu]; + next = __find_next_entry(iter, &next_cpu, 1); - iter->next_page_idx[iter->cpu] = 0; - iter->next_page[iter->cpu] = - trace_next_list(data, iter->next_page[iter->cpu]); - } + iter->prev_ent = iter->ent; + iter->prev_cpu = iter->cpu; + + iter->ent = next; + iter->cpu = next_cpu; + + if (next) + trace_iterator_increment(iter, iter->cpu); + + return next ? iter : NULL; } static void trace_consume(struct trace_iterator *iter) { struct trace_array_cpu *data = iter->tr->data[iter->cpu]; + struct trace_entry *ent; + again: data->trace_tail_idx++; if (data->trace_tail_idx >= ENTRIES_PER_PAGE) { data->trace_tail = trace_next_page(data, data->trace_tail); @@ -1160,25 +1243,11 @@ static void trace_consume(struct trace_iterator *iter) if (data->trace_head == data->trace_tail && data->trace_head_idx == data->trace_tail_idx) data->trace_idx = 0; -} - -static void *find_next_entry_inc(struct trace_iterator *iter) -{ - struct trace_entry *next; - int next_cpu = -1; - - next = find_next_entry(iter, &next_cpu); - - iter->prev_ent = iter->ent; - iter->prev_cpu = iter->cpu; - - iter->ent = next; - iter->cpu = next_cpu; - - if (next) - trace_iterator_increment(iter); - return next ? iter : NULL; + ent = trace_entry_idx(iter->tr, iter->tr->data[iter->cpu], + iter, iter->cpu); + if (ent && ent->type == TRACE_CONT) + goto again; } static void *s_next(struct seq_file *m, void *v, loff_t *pos) @@ -1473,6 +1542,26 @@ lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs, static const char state_to_char[] = TASK_STATE_TO_CHAR_STR; +static void +trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) +{ + struct trace_array *tr = iter->tr; + struct trace_array_cpu *data = tr->data[iter->cpu]; + struct trace_entry *ent; + + ent = trace_entry_idx(tr, data, iter, iter->cpu); + if (!ent || ent->type != TRACE_CONT) { + trace_seq_putc(s, '\n'); + return; + } + + do { + trace_seq_printf(s, "%s", ent->cont.buf); + trace_iterator_increment(iter, iter->cpu); + ent = trace_entry_idx(tr, data, iter, iter->cpu); + } while (ent && ent->type == TRACE_CONT); +} + static int print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) { @@ -1491,6 +1580,10 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) if (!next_entry) next_entry = entry; + + if (entry->type == TRACE_CONT) + return 1; + rel_usecs = ns2usecs(next_entry->field.t - entry->field.t); abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start); @@ -1550,6 +1643,12 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) } trace_seq_puts(s, "\n"); break; + case TRACE_PRINT: + seq_print_ip_sym(s, field->print.ip, sym_flags); + trace_seq_printf(s, ": %s", field->print.buf); + if (field->flags && TRACE_FLAG_CONT) + trace_seq_print_cont(s, iter); + break; default: trace_seq_printf(s, "Unknown type %d\n", entry->type); } @@ -1571,6 +1670,10 @@ static int print_trace_fmt(struct trace_iterator *iter) int i; entry = iter->ent; + + if (entry->type == TRACE_CONT) + return 1; + field = &entry->field; comm = trace_find_cmdline(iter->ent->field.pid); @@ -1653,6 +1756,12 @@ static int print_trace_fmt(struct trace_iterator *iter) if (!ret) return 0; break; + case TRACE_PRINT: + seq_print_ip_sym(s, field->print.ip, sym_flags); + trace_seq_printf(s, ": %s", field->print.buf); + if (field->flags && TRACE_FLAG_CONT) + trace_seq_print_cont(s, iter); + break; } return 1; } @@ -1666,6 +1775,10 @@ static int print_raw_fmt(struct trace_iterator *iter) int S, T; entry = iter->ent; + + if (entry->type == TRACE_CONT) + return 1; + field = &entry->field; ret = trace_seq_printf(s, "%d %d %llu ", @@ -1708,6 +1821,12 @@ static int print_raw_fmt(struct trace_iterator *iter) if (!ret) return 0; break; + case TRACE_PRINT: + trace_seq_printf(s, "# %lx %s", + field->print.ip, field->print.buf); + if (field->flags && TRACE_FLAG_CONT) + trace_seq_print_cont(s, iter); + break; } return 1; } @@ -1733,6 +1852,10 @@ static int print_hex_fmt(struct trace_iterator *iter) int S, T; entry = iter->ent; + + if (entry->type == TRACE_CONT) + return 1; + field = &entry->field; SEQ_PUT_HEX_FIELD_RET(s, field->pid); @@ -1778,6 +1901,10 @@ static int print_bin_fmt(struct trace_iterator *iter) struct trace_field *field; entry = iter->ent; + + if (entry->type == TRACE_CONT) + return 1; + field = &entry->field; SEQ_PUT_FIELD_RET(s, field->pid); @@ -2943,6 +3070,94 @@ static __init void tracer_init_debugfs(void) #endif } +#define TRACE_BUF_SIZE 1024 +#define TRACE_PRINT_BUF_SIZE \ + (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) +#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) + +/** + * ftrace_printk - printf formatting in the ftrace buffer + * @fmt - the printf format for printing. + * + * Note: __ftrace_printk is an internal function for ftrace_printk and + * the @ip is passed in via the ftrace_printk macro. + * + * This function allows a kernel developer to debug fast path sections + * that printk is not appropriate for. By scattering in various + * printk like tracing in the code, a developer can quickly see + * where problems are occurring. + * + * This is intended as a debugging tool for the developer only. + * Please reframe from leaving ftrace_printks scattered around in + * your code. + */ +int __ftrace_printk(unsigned long ip, const char *fmt, ...) +{ + struct trace_array *tr = &global_trace; + static DEFINE_SPINLOCK(trace_buf_lock); + static char trace_buf[TRACE_BUF_SIZE]; + struct trace_array_cpu *data; + struct trace_entry *entry; + unsigned long flags; + long disabled; + va_list ap; + int cpu, len = 0, write, written = 0; + + if (likely(!ftrace_function_enabled)) + return 0; + + local_irq_save(flags); + cpu = raw_smp_processor_id(); + data = tr->data[cpu]; + disabled = atomic_inc_return(&data->disabled); + + if (unlikely(disabled != 1 || !ftrace_function_enabled)) + goto out; + + spin_lock(&trace_buf_lock); + va_start(ap, fmt); + len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, ap); + va_end(ap); + + len = min(len, TRACE_BUF_SIZE-1); + trace_buf[len] = 0; + + __raw_spin_lock(&data->lock); + entry = tracing_get_trace_entry(tr, data); + tracing_generic_entry_update(entry, flags); + entry->type = TRACE_PRINT; + entry->field.print.ip = ip; + + write = min(len, (int)(TRACE_PRINT_BUF_SIZE-1)); + + memcpy(&entry->field.print.buf, trace_buf, write); + entry->field.print.buf[write] = 0; + written = write; + + if (written != len) + entry->field.flags |= TRACE_FLAG_CONT; + + while (written != len) { + entry = tracing_get_trace_entry(tr, data); + + entry->type = TRACE_CONT; + write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1)); + memcpy(&entry->cont.buf, trace_buf+written, write); + entry->cont.buf[write] = 0; + written += write; + } + __raw_spin_unlock(&data->lock); + + spin_unlock(&trace_buf_lock); + + out: + atomic_dec(&data->disabled); + local_irq_restore(flags); + + return len; +} +EXPORT_SYMBOL_GPL(__ftrace_printk); + static int trace_alloc_page(void) { struct trace_array_cpu *data; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 6ddd6a6556cf..50b6d7a6f01a 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -13,7 +13,9 @@ enum trace_type { TRACE_FN, TRACE_CTX, TRACE_WAKE, + TRACE_CONT, TRACE_STACK, + TRACE_PRINT, TRACE_SPECIAL, TRACE_MMIO_RW, TRACE_MMIO_MAP, @@ -60,6 +62,14 @@ struct stack_entry { unsigned long caller[FTRACE_STACK_ENTRIES]; }; +/* + * ftrace_printk entry: + */ +struct print_entry { + unsigned long ip; + char buf[]; +}; + /* * The trace field - the most basic unit of tracing. This is what * is printed in the end as a single line in the trace output, such as: @@ -77,6 +87,7 @@ struct trace_field { struct ctx_switch_entry ctx; struct special_entry special; struct stack_entry stack; + struct print_entry print; struct mmiotrace_rw mmiorw; struct mmiotrace_map mmiomap; }; diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 0911b7e073bf..630715bbd572 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -9,7 +9,9 @@ static inline int trace_valid_entry(struct trace_entry *entry) case TRACE_FN: case TRACE_CTX: case TRACE_WAKE: + case TRACE_CONT: case TRACE_STACK: + case TRACE_PRINT: case TRACE_SPECIAL: return 1; } @@ -120,11 +122,11 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace, struct trace_array *tr, int (*func)(void)) { - unsigned long count; - int ret; int save_ftrace_enabled = ftrace_enabled; int save_tracer_enabled = tracer_enabled; + unsigned long count; char *func_name; + int ret; /* The ftrace test PASSED */ printk(KERN_CONT "PASSED\n"); @@ -157,6 +159,7 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace, /* enable tracing */ tr->ctrl = 1; trace->init(tr); + /* Sleep for a 1/10 of a second */ msleep(100); @@ -212,10 +215,10 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace, int trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr) { - unsigned long count; - int ret; int save_ftrace_enabled = ftrace_enabled; int save_tracer_enabled = tracer_enabled; + unsigned long count; + int ret; /* make sure msleep has been recorded */ msleep(1); -- GitLab From 2f2c99dba2398ef7d9c21f7c793180a50e68b1f0 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 1 Aug 2008 16:45:49 -0400 Subject: [PATCH 4594/6244] ftrace: ftrace_printk doc moved Based on Randy Dunlap's suggestion, the ftrace_printk kernel-doc belongs with the ftrace_printk macro that should be used. Not with the __ftrace_printk internal function. Signed-off-by: Steven Rostedt Acked-by: Randy Dunlap Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 19 ++++++++++++++++++- kernel/trace/trace.c | 16 ---------------- 2 files changed, 18 insertions(+), 17 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index f53b975e32fa..018af16bce5c 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -157,7 +157,24 @@ static inline void __ftrace_enabled_restore(int enabled) #ifdef CONFIG_TRACING extern void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3); -# define ftrace_printk(x...) __ftrace_printk(_THIS_IP_, x) + +/** + * ftrace_printk - printf formatting in the ftrace buffer + * @fmt: the printf format for printing + * + * Note: __ftrace_printk is an internal function for ftrace_printk and + * the @ip is passed in via the ftrace_printk macro. + * + * This function allows a kernel developer to debug fast path sections + * that printk is not appropriate for. By scattering in various + * printk like tracing in the code, a developer can quickly see + * where problems are occurring. + * + * This is intended as a debugging tool for the developer only. + * Please refrain from leaving ftrace_printks scattered around in + * your code. + */ +# define ftrace_printk(fmt...) __ftrace_printk(_THIS_IP_, fmt) extern int __ftrace_printk(unsigned long ip, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a917bea82715..2597e7e49c35 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3075,22 +3075,6 @@ static __init void tracer_init_debugfs(void) (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) #define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) -/** - * ftrace_printk - printf formatting in the ftrace buffer - * @fmt - the printf format for printing. - * - * Note: __ftrace_printk is an internal function for ftrace_printk and - * the @ip is passed in via the ftrace_printk macro. - * - * This function allows a kernel developer to debug fast path sections - * that printk is not appropriate for. By scattering in various - * printk like tracing in the code, a developer can quickly see - * where problems are occurring. - * - * This is intended as a debugging tool for the developer only. - * Please reframe from leaving ftrace_printks scattered around in - * your code. - */ int __ftrace_printk(unsigned long ip, const char *fmt, ...) { struct trace_array *tr = &global_trace; -- GitLab From 3f5a54e371ca20b119b73704f6c01b71295c1714 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 30 Jul 2008 22:36:46 -0400 Subject: [PATCH 4595/6244] ftrace: dump out ftrace buffers to console on panic At OLS I had a lot of interest to be able to have the ftrace buffers dumped on panic. Usually one would expect to uses kexec and examine the buffers after a new kernel is loaded. But sometimes the resources do not permit kdump and kexec, so having an option to still see the sequence of events up to the crash is very advantageous. This patch adds the option to have the ftrace buffers dumped to the console in the latency_trace format on a panic. When the option is set, the default entries per CPU buffer are lowered to 16384, since the writing to the serial (if that is the console) may take an awful long time otherwise. [ Changes since -v1: Got alpine to send correctly (as well as spell check working). Removed config option. Moved the static variables into ftrace_dump itself. Gave printk a log level. ] Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 2 + kernel/trace/trace.c | 175 ++++++++++++++++++++++++++++++++++++++++- 2 files changed, 176 insertions(+), 1 deletion(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 018af16bce5c..f7fb92045bf0 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -178,6 +178,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3); extern int __ftrace_printk(unsigned long ip, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); +extern void ftrace_dump(void); #else static inline void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } @@ -186,6 +187,7 @@ ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0))) { return 0; } +static inline void ftrace_dump(void) { } #endif #ifdef CONFIG_FTRACE_MCOUNT_RECORD diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 2597e7e49c35..97513c8ecd67 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -22,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -103,8 +105,15 @@ int ftrace_function_enabled; * trace_nr_entries is the number of entries that is allocated * for a buffer. Note, the number of entries is always rounded * to ENTRIES_PER_PAGE. + * + * This number is purposely set to a low number of 16384. + * If the dump on oops happens, it will be much appreciated + * to not have to wait for all that output. Anyway this can be + * boot time and run time configurable. */ -static unsigned long trace_nr_entries = 65536UL; +#define TRACE_ENTRIES_DEFAULT 16384UL + +static unsigned long trace_nr_entries = TRACE_ENTRIES_DEFAULT; /* trace_types holds a link list of available tracers. */ static struct tracer *trace_types __read_mostly; @@ -3142,6 +3151,165 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) } EXPORT_SYMBOL_GPL(__ftrace_printk); +static int trace_panic_handler(struct notifier_block *this, + unsigned long event, void *unused) +{ + ftrace_dump(); + return NOTIFY_OK; +} + +static struct notifier_block trace_panic_notifier = { + .notifier_call = trace_panic_handler, + .next = NULL, + .priority = 150 /* priority: INT_MAX >= x >= 0 */ +}; + +static int trace_die_handler(struct notifier_block *self, + unsigned long val, + void *data) +{ + switch (val) { + case DIE_OOPS: + ftrace_dump(); + break; + default: + break; + } + return NOTIFY_OK; +} + +static struct notifier_block trace_die_notifier = { + .notifier_call = trace_die_handler, + .priority = 200 +}; + +/* + * printk is set to max of 1024, we really don't need it that big. + * Nothing should be printing 1000 characters anyway. + */ +#define TRACE_MAX_PRINT 1000 + +/* + * Define here KERN_TRACE so that we have one place to modify + * it if we decide to change what log level the ftrace dump + * should be at. + */ +#define KERN_TRACE KERN_INFO + +static void +trace_printk_seq(struct trace_seq *s) +{ + /* Probably should print a warning here. */ + if (s->len >= 1000) + s->len = 1000; + + /* should be zero ended, but we are paranoid. */ + s->buffer[s->len] = 0; + + printk(KERN_TRACE "%s", s->buffer); + + trace_seq_reset(s); +} + + +void ftrace_dump(void) +{ + static DEFINE_SPINLOCK(ftrace_dump_lock); + /* use static because iter can be a bit big for the stack */ + static struct trace_iterator iter; + struct trace_array_cpu *data; + static cpumask_t mask; + static int dump_ran; + unsigned long flags; + int cnt = 0; + int cpu; + + /* only one dump */ + spin_lock_irqsave(&ftrace_dump_lock, flags); + if (dump_ran) + goto out; + + dump_ran = 1; + + /* No turning back! */ + ftrace_kill_atomic(); + + printk(KERN_TRACE "Dumping ftrace buffer:\n"); + + iter.tr = &global_trace; + iter.trace = current_trace; + + /* + * We need to stop all tracing on all CPUS to read the + * the next buffer. This is a bit expensive, but is + * not done often. We fill all what we can read, + * and then release the locks again. + */ + + cpus_clear(mask); + + for_each_tracing_cpu(cpu) { + data = iter.tr->data[cpu]; + + if (!head_page(data) || !data->trace_idx) + continue; + + atomic_inc(&data->disabled); + cpu_set(cpu, mask); + } + + for_each_cpu_mask(cpu, mask) { + data = iter.tr->data[cpu]; + __raw_spin_lock(&data->lock); + + if (data->overrun > iter.last_overrun[cpu]) + iter.overrun[cpu] += + data->overrun - iter.last_overrun[cpu]; + iter.last_overrun[cpu] = data->overrun; + } + + while (!trace_empty(&iter)) { + + if (!cnt) + printk(KERN_TRACE "---------------------------------\n"); + + cnt++; + + /* reset all but tr, trace, and overruns */ + memset(&iter.seq, 0, + sizeof(struct trace_iterator) - + offsetof(struct trace_iterator, seq)); + iter.iter_flags |= TRACE_FILE_LAT_FMT; + iter.pos = -1; + + if (find_next_entry_inc(&iter) != NULL) { + print_trace_line(&iter); + trace_consume(&iter); + } + + trace_printk_seq(&iter.seq); + } + + if (!cnt) + printk(KERN_TRACE " (ftrace buffer empty)\n"); + else + printk(KERN_TRACE "---------------------------------\n"); + + for_each_cpu_mask(cpu, mask) { + data = iter.tr->data[cpu]; + __raw_spin_unlock(&data->lock); + } + + for_each_cpu_mask(cpu, mask) { + data = iter.tr->data[cpu]; + atomic_dec(&data->disabled); + } + + + out: + spin_unlock_irqrestore(&ftrace_dump_lock, flags); +} + static int trace_alloc_page(void) { struct trace_array_cpu *data; @@ -3338,6 +3506,11 @@ __init static int tracer_alloc_buffers(void) global_trace.ctrl = tracer_enabled; tracing_disabled = 0; + atomic_notifier_chain_register(&panic_notifier_list, + &trace_panic_notifier); + + register_die_notifier(&trace_die_notifier); + return 0; free_buffers: -- GitLab From 7b928c23fa3e9fa37d1d4ba52ba963f41ee5aae0 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 15 Aug 2008 17:48:02 +0200 Subject: [PATCH 4596/6244] ftrace: build fix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: In file included from init/main.c:65: include/linux/ftrace.h:166: error: expected ‘,' or ‘;' before ‘{' token make[1]: *** [init/main.o] Error 1 make: *** [init/main.o] Error 2 Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index f7fb92045bf0..ce929cb55435 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -183,7 +183,10 @@ extern void ftrace_dump(void); static inline void ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { } static inline int -ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0))) +ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0))); + +static inline int +ftrace_printk(const char *fmt, ...) { return 0; } -- GitLab From c5131ad6c3cbe8f6674993e29a76cecf8deb4384 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 15 Aug 2008 18:22:09 +0200 Subject: [PATCH 4597/6244] ftrace: ftrace_kill_atomic() build fix fix: kernel/built-in.o: In function `ftrace_dump': (.text+0x2e2ea): undefined reference to `ftrace_kill_atomic' Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index ce929cb55435..36c439927ff1 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -36,6 +36,7 @@ extern void ftrace_stub(unsigned long a0, unsigned long a1); # define register_ftrace_function(ops) do { } while (0) # define unregister_ftrace_function(ops) do { } while (0) # define clear_ftrace_function(ops) do { } while (0) +static inline void ftrace_kill_atomic(void) { } #endif /* CONFIG_FTRACE */ #ifdef CONFIG_DYNAMIC_FTRACE -- GitLab From 3989cce82b272bd6312555fcc47c11715c157102 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 9 Jun 2008 20:54:22 +0200 Subject: [PATCH 4598/6244] ftrace: scripts/recordmcount.pl cross-build hack hack around: ld: Relocatable linking with relocations from format elf32-i386 (init/.tmp_gl_calibrate.o) to format elf64-x86-64 (init/.tmp_mx_calibrate.o) i CC arch/x86/mm/extable.o objcopy: 'init/.tmp_mx_calibrate.o': No such file rm: cannot remove `init/.tmp_mx_calibrate.o': No such file or directory ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/extable.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_extable.o) is not supported mv: cannot stat `arch/x86/mm/.tmp_mx_extable.o': No such file or directory ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/fault.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_fault.o) is not supported Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 44b4b23e91b2..e4922a6c963b 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -108,6 +108,20 @@ if ($#ARGV < 6) { my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV; +if ($arch eq "i386") { + $ld = "ld -m elf_i386"; + $objdump = "objdump -M i386"; + $objcopy = "objcopy -O elf32-i386"; + $cc = "gcc -m32"; +} + +if ($arch eq "x86_64") { + $ld = "ld -m elf_x86_64"; + $objdump = "objdump -M x86-64"; + $objcopy = "objcopy -O elf64-x86-64"; + $cc = "gcc -m64"; +} + $objdump = "objdump" if ((length $objdump) == 0); $objcopy = "objcopy" if ((length $objcopy) == 0); $cc = "gcc" if ((length $cc) == 0); -- GitLab From 98a983aad2e5b3dc83a8a761675445cdd8f3e6bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Fri, 15 Aug 2008 21:08:22 +0200 Subject: [PATCH 4599/6244] ftrace: fix some mistakes in error messages This patch fixes some mistakes on the tracer in warning messages when debugfs fails to create tracing files. Signed-off-by: Frederic Weisbecker Cc: srostedt@redhat.com Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 97513c8ecd67..896e59f772c9 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3030,12 +3030,12 @@ static __init void tracer_init_debugfs(void) entry = debugfs_create_file("available_tracers", 0444, d_tracer, &global_trace, &show_traces_fops); if (!entry) - pr_warning("Could not create debugfs 'trace' entry\n"); + pr_warning("Could not create debugfs 'available_tracers' entry\n"); entry = debugfs_create_file("current_tracer", 0444, d_tracer, &global_trace, &set_tracer_fops); if (!entry) - pr_warning("Could not create debugfs 'trace' entry\n"); + pr_warning("Could not create debugfs 'current_tracer' entry\n"); entry = debugfs_create_file("tracing_max_latency", 0644, d_tracer, &tracing_max_latency, @@ -3048,7 +3048,7 @@ static __init void tracer_init_debugfs(void) &tracing_thresh, &tracing_max_lat_fops); if (!entry) pr_warning("Could not create debugfs " - "'tracing_threash' entry\n"); + "'tracing_thresh' entry\n"); entry = debugfs_create_file("README", 0644, d_tracer, NULL, &tracing_readme_fops); if (!entry) @@ -3058,13 +3058,13 @@ static __init void tracer_init_debugfs(void) NULL, &tracing_pipe_fops); if (!entry) pr_warning("Could not create debugfs " - "'tracing_threash' entry\n"); + "'trace_pipe' entry\n"); entry = debugfs_create_file("trace_entries", 0644, d_tracer, &global_trace, &tracing_entries_fops); if (!entry) pr_warning("Could not create debugfs " - "'tracing_threash' entry\n"); + "'trace_entries' entry\n"); #ifdef CONFIG_DYNAMIC_FTRACE entry = debugfs_create_file("dyn_ftrace_total_info", 0444, d_tracer, -- GitLab From 00fd61aee10533e003f2f00ab7163207660a4051 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 15 Aug 2008 21:40:04 -0400 Subject: [PATCH 4600/6244] ftrace: do not init module on ftrace disabled If one of the self tests of ftrace has disabled the function tracer, do not run the code to convert the mcount calls in modules. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index eadd0eaea9b6..11d94f2dc485 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -307,7 +307,7 @@ void ftrace_release(void *start, unsigned long size) unsigned long e = s + size; int i; - if (!start) + if (ftrace_disabled || !start) return; /* No interrupt should call this */ @@ -1567,7 +1567,7 @@ static int ftrace_convert_nops(unsigned long *start, void ftrace_init_module(unsigned long *start, unsigned long *end) { - if (start == end) + if (ftrace_disabled || start == end) return; ftrace_convert_nops(start, end); } -- GitLab From 99ecdc43bc17faf5fa571db8569df171ecd0e5b8 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 15 Aug 2008 21:40:05 -0400 Subject: [PATCH 4601/6244] ftrace: add necessary locking for ftrace records The new design of pre-recorded mcounts and updating the code outside of kstop_machine has changed the way the records themselves are protected. This patch uses the ftrace_lock to protect the records. Note, the lock still does not need to be taken within calls that are only called via kstop_machine, since the that code can not run while the spin lock is held. Also removed the hash_lock needed for the daemon when MCOUNT_RECORD is configured. Also did a slight cleanup of an unused variable. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 44 +++++++++++++++++++++++++++++-------------- 1 file changed, 30 insertions(+), 14 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 11d94f2dc485..43665add9805 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -81,7 +81,7 @@ void clear_ftrace_function(void) static int __register_ftrace_function(struct ftrace_ops *ops) { - /* Should never be called by interrupts */ + /* should not be called from interrupt context */ spin_lock(&ftrace_lock); ops->next = ftrace_list; @@ -115,6 +115,7 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) struct ftrace_ops **p; int ret = 0; + /* should not be called from interrupt context */ spin_lock(&ftrace_lock); /* @@ -153,6 +154,21 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) #ifdef CONFIG_DYNAMIC_FTRACE +#ifndef CONFIG_FTRACE_MCOUNT_RECORD +/* + * The hash lock is only needed when the recording of the mcount + * callers are dynamic. That is, by the caller themselves and + * not recorded via the compilation. + */ +static DEFINE_SPINLOCK(ftrace_hash_lock); +#define ftrace_hash_lock(flags) spin_lock_irqsave(ftrace_hash_lock, flags) +#define ftrace_hash_unlock(flags) spin_lock_irqsave(ftrace_hash_lock, flags) +#else +/* This is protected via the ftrace_lock with MCOUNT_RECORD. */ +#define ftrace_hash_lock(flags) do { (void)flags; } while (0) +#define ftrace_hash_unlock(flags) do { } while(0) +#endif + static struct task_struct *ftraced_task; enum { @@ -171,7 +187,6 @@ static struct hlist_head ftrace_hash[FTRACE_HASHSIZE]; static DEFINE_PER_CPU(int, ftrace_shutdown_disable_cpu); -static DEFINE_SPINLOCK(ftrace_shutdown_lock); static DEFINE_MUTEX(ftraced_lock); static DEFINE_MUTEX(ftrace_regex_lock); @@ -310,7 +325,7 @@ void ftrace_release(void *start, unsigned long size) if (ftrace_disabled || !start) return; - /* No interrupt should call this */ + /* should not be called from interrupt context */ spin_lock(&ftrace_lock); for (pg = ftrace_pages_start; pg; pg = pg->next) { @@ -362,7 +377,6 @@ ftrace_record_ip(unsigned long ip) unsigned long flags; unsigned long key; int resched; - int atomic; int cpu; if (!ftrace_enabled || ftrace_disabled) @@ -392,9 +406,7 @@ ftrace_record_ip(unsigned long ip) if (ftrace_ip_in_hash(ip, key)) goto out; - atomic = irqs_disabled(); - - spin_lock_irqsave(&ftrace_shutdown_lock, flags); + ftrace_hash_lock(flags); /* This ip may have hit the hash before the lock */ if (ftrace_ip_in_hash(ip, key)) @@ -411,7 +423,7 @@ ftrace_record_ip(unsigned long ip) ftraced_trigger = 1; out_unlock: - spin_unlock_irqrestore(&ftrace_shutdown_lock, flags); + ftrace_hash_unlock(flags); out: per_cpu(ftrace_shutdown_disable_cpu, cpu)--; @@ -887,6 +899,8 @@ t_next(struct seq_file *m, void *v, loff_t *pos) (*pos)++; + /* should not be called from interrupt context */ + spin_lock(&ftrace_lock); retry: if (iter->idx >= iter->pg->index) { if (iter->pg->next) { @@ -910,6 +924,7 @@ t_next(struct seq_file *m, void *v, loff_t *pos) goto retry; } } + spin_unlock(&ftrace_lock); iter->pos = *pos; @@ -1023,8 +1038,8 @@ static void ftrace_filter_reset(int enable) unsigned long type = enable ? FTRACE_FL_FILTER : FTRACE_FL_NOTRACE; unsigned i; - /* keep kstop machine from running */ - preempt_disable(); + /* should not be called from interrupt context */ + spin_lock(&ftrace_lock); if (enable) ftrace_filtered = 0; pg = ftrace_pages_start; @@ -1037,7 +1052,7 @@ static void ftrace_filter_reset(int enable) } pg = pg->next; } - preempt_enable(); + spin_unlock(&ftrace_lock); } static int @@ -1149,8 +1164,8 @@ ftrace_match(unsigned char *buff, int len, int enable) } } - /* keep kstop machine from running */ - preempt_disable(); + /* should not be called from interrupt context */ + spin_lock(&ftrace_lock); if (enable) ftrace_filtered = 1; pg = ftrace_pages_start; @@ -1187,7 +1202,7 @@ ftrace_match(unsigned char *buff, int len, int enable) } pg = pg->next; } - preempt_enable(); + spin_unlock(&ftrace_lock); } static ssize_t @@ -1551,6 +1566,7 @@ static int ftrace_convert_nops(unsigned long *start, p = start; while (p < end) { addr = ftrace_call_adjust(*p++); + /* should not be called from interrupt context */ spin_lock(&ftrace_lock); ftrace_record_ip(addr); spin_unlock(&ftrace_lock); -- GitLab From 3700273586ee6a58b95dd07d9f8a02db4a9b476f Mon Sep 17 00:00:00 2001 From: Huang Ying Date: Mon, 18 Aug 2008 16:24:56 +0800 Subject: [PATCH 4602/6244] ftrace: fix incorrect comment style of __ftrace_enabled_save() This patch fixes incorrect comment style of __ftrace_enabled_save(). Signed-off-by: Huang Ying Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 36c439927ff1..8b4cf38c80d2 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -99,9 +99,11 @@ static inline void tracer_disable(void) #endif } -/* Ftrace disable/restore without lock. Some synchronization mechanism +/* + * Ftrace disable/restore without lock. Some synchronization mechanism * must be used to prevent ftrace_enabled to be changed between - * disable/restore. */ + * disable/restore. + */ static inline int __ftrace_enabled_save(void) { #ifdef CONFIG_FTRACE -- GitLab From 6a4917e3ae5194a10e0723f96edc854c381e3063 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Mon, 18 Aug 2008 15:58:12 -0700 Subject: [PATCH 4603/6244] ftrace: fix build problem with CONFIG_FTRACE I'm seeing when I use separate src/build dirs: make[3]: *** [arch/x86/kernel/time_32.o] Error 1 /bin/sh: scripts/recordmcount.pl: No such file or directory make[3]: *** [arch/x86/kernel/irq_32.o] Error 1 /bin/sh: scripts/recordmcount.pl: No such file or directory make[3]: *** [arch/x86/kernel/ldt.o] Error 1 /bin/sh: scripts/recordmcount.pl: No such file or directory make[3]: *** [arch/x86/kernel/i8259.o] Error 1 /bin/sh: scripts/recordmcount.pl: No such file or directory This fixes it. Signed-off-by: Ingo Molnar --- scripts/Makefile.build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 463ddcc583ed..232485ec5265 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -199,7 +199,7 @@ cmd_modversions = \ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD -cmd_record_mcount = scripts/recordmcount.pl "$(ARCH)" \ +cmd_record_mcount = $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)"; endif -- GitLab From d74fcd1e4e8842d5302cd303ef25cef7e67f68b4 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 15 Aug 2008 11:40:24 -0400 Subject: [PATCH 4604/6244] ftrace: update recordmount.pl arch changes I'm trying to keep all the arch changes in recordmcount.pl in one place. I moved your code into that area, by adding the flags to the commands that were passed in. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index e4922a6c963b..36c8355c555e 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -108,20 +108,6 @@ if ($#ARGV < 6) { my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV; -if ($arch eq "i386") { - $ld = "ld -m elf_i386"; - $objdump = "objdump -M i386"; - $objcopy = "objcopy -O elf32-i386"; - $cc = "gcc -m32"; -} - -if ($arch eq "x86_64") { - $ld = "ld -m elf_x86_64"; - $objdump = "objdump -M x86-64"; - $objcopy = "objcopy -O elf64-x86-64"; - $cc = "gcc -m64"; -} - $objdump = "objdump" if ((length $objdump) == 0); $objcopy = "objcopy" if ((length $objcopy) == 0); $cc = "gcc" if ((length $cc) == 0); @@ -146,11 +132,25 @@ if ($arch eq "x86_64") { $function_regex = "<(.*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$"; $type = ".quad"; + + # force flags for this arch + $ld .= " -m elf_x86_64"; + $objdump .= " -M x86-64"; + $objcopy .= " -O elf64-x86-64"; + $cc .= " -m64"; + } elsif ($arch eq "i386") { $section_regex = "Disassembly of section"; $function_regex = "<(.*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; $type = ".long"; + + # force flags for this arch + $ld .= " -m elf_i386"; + $objdump .= " -M i386"; + $objcopy .= " -O elf32-i386"; + $cc .= " -m32"; + } else { die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD"; } -- GitLab From 8feff1cacc29e9cfdc6d1ce5f2108db87b91046e Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 20 Aug 2008 10:07:35 -0400 Subject: [PATCH 4605/6244] ftrace: handle weak symbol functions During tests and checks, I've discovered that there were failures to convert mcount callers into nops. Looking deeper into these failures, code that was attempted to be changed was not an mcount caller. The current code only updates if the code being changed is what it expects, but I still investigate any time there is a failure. What was happening is that a weak symbol was being used as a reference for other mcount callers. That weak symbol was also referenced elsewhere so the offsets were using the strong symbol and not the function symbol that it was referenced from. This patch changes the setting up of the mcount_loc section to search for a global function that is not weak. It will pick a local over a weak but if only a weak is found in a section, a warning is printed and the mcount location is not recorded (just to be safe). Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 106 ++++++++++++++++++++++++++++++++-------- 1 file changed, 86 insertions(+), 20 deletions(-) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 36c8355c555e..1891cf9743fc 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -119,17 +119,19 @@ $mv = "mv" if ((length $mv) == 0); #print STDERR "running: $P '$arch' '$objdump' '$objcopy' '$cc' '$ld' " . # "'$nm' '$rm' '$mv' '$inputfile'\n"; -my %locals; -my %convert; +my %locals; # List of local (static) functions +my %weak; # List of weak functions +my %convert; # List of local functions used that needs conversion my $type; my $section_regex; # Find the start of a section -my $function_regex; # Find the name of a function (return func name) +my $function_regex; # Find the name of a function + # (return offset and func name) my $mcount_regex; # Find the call site to mcount (return offset) if ($arch eq "x86_64") { $section_regex = "Disassembly of section"; - $function_regex = "<(.*?)>:"; + $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$"; $type = ".quad"; @@ -141,7 +143,7 @@ if ($arch eq "x86_64") { } elsif ($arch eq "i386") { $section_regex = "Disassembly of section"; - $function_regex = "<(.*?)>:"; + $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; $type = ".long"; @@ -158,7 +160,6 @@ if ($arch eq "x86_64") { my $text_found = 0; my $read_function = 0; my $opened = 0; -my $text = ""; my $mcount_section = "__mcount_loc"; my $dirname; @@ -186,46 +187,111 @@ my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s"; my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o"; # -# Step 1: find all the local symbols (static functions). +# Step 1: find all the local (static functions) and weak symbols. +# 't' is local, 'w/W' is weak (we never use a weak function) # open (IN, "$nm $inputfile|") || die "error running $nm"; while () { if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) { $locals{$1} = 1; + } elsif (/^[0-9a-fA-F]+\s+([wW])\s+(\S+)/) { + $weak{$2} = $1; } } close(IN); +my @offsets; # Array of offsets of mcount callers +my $ref_func; # reference function to use for offsets +my $offset = 0; # offset of ref_func to section beginning + +## +# update_funcs - print out the current mcount callers +# +# Go through the list of offsets to callers and write them to +# the output file in a format that can be read by an assembler. +# +sub update_funcs +{ + return if ($#offsets < 0); + + defined($ref_func) || die "No function to reference"; + + # A section only had a weak function, to represent it. + # Unfortunately, a weak function may be overwritten by another + # function of the same name, making all these offsets incorrect. + # To be safe, we simply print a warning and bail. + if (defined $weak{$ref_func}) { + print STDERR + "$inputfile: WARNING: referencing weak function" . + " $ref_func for mcount\n"; + return; + } + + # is this function static? If so, note this fact. + if (defined $locals{$ref_func}) { + $convert{$ref_func} = 1; + } + + # Loop through all the mcount caller offsets and print a reference + # to the caller based from the ref_func. + for (my $i=0; $i <= $#offsets; $i++) { + if (!$opened) { + open(FILE, ">$mcount_s") || die "can't create $mcount_s\n"; + $opened = 1; + print FILE "\t.section $mcount_section,\"a\",\@progbits\n"; + } + printf FILE "\t%s %s + %d\n", $type, $ref_func, $offsets[$i] - $offset; + } +} + # # Step 2: find the sections and mcount call sites # open(IN, "$objdump -dr $inputfile|") || die "error running $objdump"; +my $text; + while () { # is it a section? if (/$section_regex/) { $read_function = 1; + # print out any recorded offsets + update_funcs() if ($text_found); + + # reset all markers and arrays $text_found = 0; + undef($ref_func); + undef(@offsets); + # section found, now is this a start of a function? } elsif ($read_function && /$function_regex/) { - $read_function = 0; $text_found = 1; - $text = $1; - # is this function static? If so, note this fact. - if (defined $locals{$text}) { - $convert{$text} = 1; + $offset = hex $1; + $text = $2; + + # if this is either a local function or a weak function + # keep looking for functions that are global that + # we can use safely. + if (!defined($locals{$text}) && !defined($weak{$text})) { + $ref_func = $text; + $read_function = 0; + } else { + # if we already have a function, and this is weak, skip it + if (!defined($ref_func) || !defined($weak{$text})) { + $ref_func = $text; + } } - # is this a call site to mcount? If so, print the offset from the section - } elsif ($text_found && /$mcount_regex/) { - if (!$opened) { - open(FILE, ">$mcount_s") || die "can't create $mcount_s\n"; - $opened = 1; - print FILE "\t.section $mcount_section,\"a\",\@progbits\n"; - } - print FILE "\t$type $text + 0x$1\n"; + } + + # is this a call site to mcount? If so, record it to print later + if ($text_found && /$mcount_regex/) { + $offsets[$#offsets + 1] = hex $1; } } +# dump out anymore offsets that may have been found +update_funcs() if ($text_found); + # If we did not find any mcount callers, we are done (do nothing). if (!$opened) { exit(0); -- GitLab From 6f93fc076a464bfe24e8d4c5fea3f6ca5bdb264d Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 20 Aug 2008 12:55:07 -0400 Subject: [PATCH 4606/6244] ftrace: x86 use copy to and from user functions The modification of code is performed either by kstop_machine, before SMP starts, or on module code before the module is executed. There is no reason to do the modifications from assembly. The copy to and from user functions are sufficient and produces cleaner and easier to read code. Thanks to Benjamin Herrenschmidt for suggesting the idea. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/kernel/ftrace.c | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 4151c91254e8..082d99642622 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -11,6 +11,7 @@ #include #include +#include #include #include #include @@ -60,11 +61,7 @@ notrace int ftrace_modify_code(unsigned long ip, unsigned char *old_code, unsigned char *new_code) { - unsigned replaced; - unsigned old = *(unsigned *)old_code; /* 4 bytes */ - unsigned new = *(unsigned *)new_code; /* 4 bytes */ - unsigned char newch = new_code[4]; - int faulted = 0; + unsigned char replaced[MCOUNT_INSN_SIZE]; /* * Note: Due to modules and __init, code can @@ -72,29 +69,20 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code, * as well as code changing. * * No real locking needed, this code is run through - * kstop_machine. + * kstop_machine, or before SMP starts. */ - asm volatile ( - "1: lock\n" - " cmpxchg %3, (%2)\n" - " jnz 2f\n" - " movb %b4, 4(%2)\n" - "2:\n" - ".section .fixup, \"ax\"\n" - "3: movl $1, %0\n" - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) - : "=r"(faulted), "=a"(replaced) - : "r"(ip), "r"(new), "c"(newch), - "0"(faulted), "a"(old) - : "memory"); - sync_core(); + if (__copy_from_user(replaced, (char __user *)ip, MCOUNT_INSN_SIZE)) + return 1; - if (replaced != old && replaced != new) - faulted = 2; + if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) + return 2; - return faulted; + WARN_ON_ONCE(__copy_to_user((char __user *)ip, new_code, + MCOUNT_INSN_SIZE)); + + sync_core(); + + return 0; } notrace int ftrace_update_ftrace_func(ftrace_func_t func) -- GitLab From 2d7da80f7138c4276ef4fa0334be400b805d0fbf Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Mon, 25 Aug 2008 13:08:44 +1000 Subject: [PATCH 4607/6244] ftrace: fix build failure After disabling FTRACE_MCOUNT_RECORD via a patch, a dormant build failure surfaced: kernel/trace/ftrace.c: In function 'ftrace_record_ip': kernel/trace/ftrace.c:416: error: incompatible type for argument 1 of '_spin_lock_irqsave' kernel/trace/ftrace.c:433: error: incompatible type for argument 1 of '_spin_lock_irqsave' Introduced by commit 6dad8e07f4c10b17b038e84d29f3ca41c2e55cd0 ("ftrace: add necessary locking for ftrace records"). Signed-off-by: Stephen Rothwell Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 43665add9805..7599abdf6d4d 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -161,8 +161,8 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) * not recorded via the compilation. */ static DEFINE_SPINLOCK(ftrace_hash_lock); -#define ftrace_hash_lock(flags) spin_lock_irqsave(ftrace_hash_lock, flags) -#define ftrace_hash_unlock(flags) spin_lock_irqsave(ftrace_hash_lock, flags) +#define ftrace_hash_lock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags) +#define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags) #else /* This is protected via the ftrace_lock with MCOUNT_RECORD. */ #define ftrace_hash_lock(flags) do { (void)flags; } while (0) -- GitLab From ac8825ec6d941b6899331b84c7d6bf027c3bb4f1 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 25 Aug 2008 08:12:04 +0200 Subject: [PATCH 4608/6244] ftrace: clean up macro usage enclose the argument in parenthesis. (especially since we cast it, which is a high prio operation) Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7599abdf6d4d..969a83f75a3e 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -165,7 +165,7 @@ static DEFINE_SPINLOCK(ftrace_hash_lock); #define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags) #else /* This is protected via the ftrace_lock with MCOUNT_RECORD. */ -#define ftrace_hash_lock(flags) do { (void)flags; } while (0) +#define ftrace_hash_lock(flags) do { (void)(flags); } while (0) #define ftrace_hash_unlock(flags) do { } while(0) #endif -- GitLab From f2f8458e751f9ae41dfec3c00a46d3e62dc38f60 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 25 Aug 2008 14:52:11 -0400 Subject: [PATCH 4609/6244] ftrace: objcopy version test for local symbols The --globalize-symbols option came out in objcopy version 2.17. If the kernel is being compiled on a system with a lower version of objcopy, then we can not use the globalize / localize trick to link to symbols pointing to local functions. This patch tests the version of objcopy and will only use the trick if the version is greater than or equal to 2.17. Otherwise, if an object has only local functions within a section, it will give a nice warning and recommend the user to upgrade their objcopy. Leaving the symbols unrecorded is not that big of a deal, since the mcount record method changes the actual mcount code to be a simple "ret" without recording registers or anything. Reported-by: Stephen Rothwell Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 1891cf9743fc..ee9e12676776 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -186,6 +186,36 @@ if ($filename =~ m,^(.*)(\.\S),) { my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s"; my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o"; +# +# --globalize-symbols came out in 2.17, we must test the version +# of objcopy, and if it is less than 2.17, then we can not +# record local functions. +my $use_locals = 01; +my $local_warn_once = 0; +my $found_version = 0; + +open (IN, "$objcopy --version |") || die "error running $objcopy"; +while () { + if (/objcopy.*\s(\d+)\.(\d+)/) { + my $major = $1; + my $minor = $2; + + $found_version = 1; + if ($major < 2 || + ($major == 2 && $minor < 17)) { + $use_locals = 0; + } + last; + } +} +close (IN); + +if (!$found_version) { + print STDERR "WARNING: could not find objcopy version.\n" . + "\tDisabling local function references.\n"; +} + + # # Step 1: find all the local (static functions) and weak symbols. # 't' is local, 'w/W' is weak (we never use a weak function) @@ -229,6 +259,17 @@ sub update_funcs # is this function static? If so, note this fact. if (defined $locals{$ref_func}) { + + # only use locals if objcopy supports globalize-symbols + if (!$use_locals) { + print STDERR + "$inputfile: WARNING: referencing local function " . + "$ref_func for mcount\n" . + "\tConsider upgrading objcopy to support the globalize-" . + "symbols option.\n" + if (!$local_warn_once++); + return; + } $convert{$ref_func} = 1; } -- GitLab From b3a320417484a6d6b9d28098944df58341353992 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 27 Aug 2008 09:08:30 +0200 Subject: [PATCH 4610/6244] kbuild: ftrace: don't assume that scripts/recordmcount.pl is executable CHK include/linux/version.h CHK include/linux/utsrelease.h CC scripts/mod/empty.o /bin/sh: /usr/src/25/scripts/recordmcount.pl: Permission denied We shouldn't assume that files have their `x' bits set. There are various ways in which file permissions get lost, including use of patch(1). It might not be correct to assume that perl lives in $PATH? Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- scripts/Makefile.build | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 232485ec5265..5ed4cbf1e0e1 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -199,8 +199,9 @@ cmd_modversions = \ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD -cmd_record_mcount = $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ - "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)"; +cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl \ + "$(ARCH)" "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" \ + "$(MV)" "$(@)"; endif define rule_cc_o_c -- GitLab From e5a81b629ea8feb9e7530cfac35cfb41c45facf3 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 27 Aug 2008 23:31:01 -0400 Subject: [PATCH 4611/6244] ftrace: add stack tracer This is another tracer using the ftrace infrastructure, that examines at each function call the size of the stack. If the stack use is greater than the previous max it is recorded. You can always see (and set) the max stack size seen. By setting it to zero will start the recording again. The backtrace is also available. For example: # cat /debug/tracing/stack_max_size 1856 # cat /debug/tracing/stack_trace [] stack_trace_call+0x8f/0x101 [] ftrace_call+0x5/0x8 [] clocksource_get_next+0x12/0x48 [] update_wall_time+0x538/0x6d1 [] do_timer+0x23/0xb0 [] tick_do_update_jiffies64+0xd9/0xf1 [] tick_sched_timer+0x4a/0xad [] __run_hrtimer+0x3e/0x75 [] hrtimer_interrupt+0xf1/0x154 [] smp_apic_timer_interrupt+0x71/0x84 [] apic_timer_interrupt+0x2d/0x34 [] finish_task_switch+0x29/0xa0 [] schedule+0x765/0x7be [] schedule_timeout+0x1b/0x90 [] wait_for_common+0xab/0x101 [] wait_for_completion+0x12/0x14 [] blk_execute_rq+0x84/0x99 [] scsi_execute+0xc2/0x105 [] scsi_execute_req+0x57/0x7f [] sr_test_unit_ready+0x3e/0x97 [] sr_media_change+0x43/0x205 [] media_changed+0x48/0x77 [] cdrom_media_changed+0x31/0x37 [] sr_block_media_changed+0x16/0x18 [] check_disk_change+0x1b/0x63 [] cdrom_open+0x7a1/0x806 [] sr_block_open+0x78/0x8d [] do_open+0x90/0x257 [] blkdev_open+0x2d/0x56 [] __dentry_open+0x14d/0x23c [] nameidata_to_filp+0x24/0x38 [] do_filp_open+0x347/0x626 [] do_sys_open+0x47/0xbc [] sys_open+0x23/0x2b [] sysenter_do_call+0x12/0x26 I've tested this on both x86_64 and i386. Signed-off-by: Steven Rostedt Cc: Peter Zijlstra Cc: Andrew Morton Cc: Linus Torvalds Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 9 ++ kernel/trace/Makefile | 1 + kernel/trace/trace_stack.c | 254 +++++++++++++++++++++++++++++++++++++ 3 files changed, 264 insertions(+) create mode 100644 kernel/trace/trace_stack.c diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 14d9505178ca..2a22e46390d3 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -106,6 +106,15 @@ config CONTEXT_SWITCH_TRACER This tracer gets called from the context switch and records all switching of tasks. +config STACK_TRACER + bool "Trace max stack" + depends on HAVE_FTRACE + select FTRACE + select STACKTRACE + help + This tracer records the max stack of the kernel, and displays + it in debugfs/tracing/stack_trace + config DYNAMIC_FTRACE bool "enable/disable ftrace tracepoints dynamically" depends on FTRACE diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 71d17de17288..58ec61c44bd6 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_FTRACE) += trace_functions.o obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o +obj-$(CONFIG_STACK_TRACER) += trace_stack.o obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o libftrace-y := ftrace.o diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c new file mode 100644 index 000000000000..4d1e522e3fe8 --- /dev/null +++ b/kernel/trace/trace_stack.c @@ -0,0 +1,254 @@ +/* + * Copyright (C) 2008 Steven Rostedt + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "trace.h" + +#define STACK_TRACE_ENTRIES 500 + +static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES] = + { [0 ... (STACK_TRACE_ENTRIES-1)] = ULONG_MAX }; +static struct stack_trace max_stack_trace = { + .max_entries = STACK_TRACE_ENTRIES, + .entries = stack_dump_trace, +}; + +static unsigned long max_stack_size; +static raw_spinlock_t max_stack_lock = + (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; + +static int stack_trace_disabled __read_mostly; +static DEFINE_PER_CPU(int, trace_active); + +static inline void check_stack(void) +{ + unsigned long this_size; + unsigned long flags; + + this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1); + this_size = THREAD_SIZE - this_size; + + if (this_size <= max_stack_size) + return; + + raw_local_irq_save(flags); + __raw_spin_lock(&max_stack_lock); + + /* a race could have already updated it */ + if (this_size <= max_stack_size) + goto out; + + max_stack_size = this_size; + + max_stack_trace.nr_entries = 0; + max_stack_trace.skip = 1; + + save_stack_trace(&max_stack_trace); + + out: + __raw_spin_unlock(&max_stack_lock); + raw_local_irq_restore(flags); +} + +static void +stack_trace_call(unsigned long ip, unsigned long parent_ip) +{ + int cpu, resched; + + if (unlikely(!ftrace_enabled || stack_trace_disabled)) + return; + + resched = need_resched(); + preempt_disable_notrace(); + + cpu = raw_smp_processor_id(); + /* no atomic needed, we only modify this variable by this cpu */ + if (per_cpu(trace_active, cpu)++ != 0) + goto out; + + check_stack(); + + out: + per_cpu(trace_active, cpu)--; + /* prevent recursion in schedule */ + if (resched) + preempt_enable_no_resched_notrace(); + else + preempt_enable_notrace(); +} + +static struct ftrace_ops trace_ops __read_mostly = +{ + .func = stack_trace_call, +}; + +static ssize_t +stack_max_size_read(struct file *filp, char __user *ubuf, + size_t count, loff_t *ppos) +{ + unsigned long *ptr = filp->private_data; + char buf[64]; + int r; + + r = snprintf(buf, sizeof(buf), "%ld\n", *ptr); + if (r > sizeof(buf)) + r = sizeof(buf); + return simple_read_from_buffer(ubuf, count, ppos, buf, r); +} + +static ssize_t +stack_max_size_write(struct file *filp, const char __user *ubuf, + size_t count, loff_t *ppos) +{ + long *ptr = filp->private_data; + unsigned long val, flags; + char buf[64]; + int ret; + + if (count >= sizeof(buf)) + return -EINVAL; + + if (copy_from_user(&buf, ubuf, count)) + return -EFAULT; + + buf[count] = 0; + + ret = strict_strtoul(buf, 10, &val); + if (ret < 0) + return ret; + + raw_local_irq_save(flags); + __raw_spin_lock(&max_stack_lock); + *ptr = val; + __raw_spin_unlock(&max_stack_lock); + raw_local_irq_restore(flags); + + return count; +} + +static struct file_operations stack_max_size_fops = { + .open = tracing_open_generic, + .read = stack_max_size_read, + .write = stack_max_size_write, +}; + +static void * +t_next(struct seq_file *m, void *v, loff_t *pos) +{ + unsigned long *t = m->private; + + (*pos)++; + + if (!t || *t == ULONG_MAX) + return NULL; + + t++; + m->private = t; + + return t; +} + +static void *t_start(struct seq_file *m, loff_t *pos) +{ + unsigned long *t = m->private; + loff_t l = 0; + + local_irq_disable(); + __raw_spin_lock(&max_stack_lock); + + for (; t && l < *pos; t = t_next(m, t, &l)) + ; + + return t; +} + +static void t_stop(struct seq_file *m, void *p) +{ + __raw_spin_unlock(&max_stack_lock); + local_irq_enable(); +} + +static int trace_lookup_stack(struct seq_file *m, unsigned long addr) +{ +#ifdef CONFIG_KALLSYMS + char str[KSYM_SYMBOL_LEN]; + + sprint_symbol(str, addr); + + return seq_printf(m, "[<%p>] %s\n", (void*)addr, str); +#else + return seq_printf(m, "%p\n", (void*)addr); +#endif +} + +static int t_show(struct seq_file *m, void *v) +{ + unsigned long *t = v; + + if (!t || *t == ULONG_MAX) + return 0; + + trace_lookup_stack(m, *t); + + return 0; +} + +static struct seq_operations stack_trace_seq_ops = { + .start = t_start, + .next = t_next, + .stop = t_stop, + .show = t_show, +}; + +static int stack_trace_open(struct inode *inode, struct file *file) +{ + int ret; + + ret = seq_open(file, &stack_trace_seq_ops); + if (!ret) { + struct seq_file *m = file->private_data; + m->private = stack_dump_trace; + } + + return ret; +} + +static struct file_operations stack_trace_fops = { + .open = stack_trace_open, + .read = seq_read, + .llseek = seq_lseek, +}; + +static __init int stack_trace_init(void) +{ + struct dentry *d_tracer; + struct dentry *entry; + + d_tracer = tracing_init_dentry(); + + entry = debugfs_create_file("stack_max_size", 0644, d_tracer, + &max_stack_size, &stack_max_size_fops); + if (!entry) + pr_warning("Could not create debugfs 'stack_max_size' entry\n"); + + entry = debugfs_create_file("stack_trace", 0444, d_tracer, + NULL, &stack_trace_fops); + if (!entry) + pr_warning("Could not create debugfs 'stack_trace' entry\n"); + + register_ftrace_function(&trace_ops); + + return 0; +} + +device_initcall(stack_trace_init); -- GitLab From 3b47bfc1fca01cccad9cce2d18b79b18ef2e4131 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 27 Aug 2008 23:24:15 -0400 Subject: [PATCH 4612/6244] ftrace: remove direct reference to mcount in trace code The mcount record method of ftrace scans objdump for references to mcount. Using mcount as the reference to test if the calls to mcount being replaced are indeed calls to mcount, this use of mcount was also caught as a location to change. Using a variable that points to the mcount address moves this reference into the data section that is not scanned, and we do not use a false location to try and modify. The warn on code was what was used to detect this bug. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 969a83f75a3e..b69966f0f144 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -36,6 +36,14 @@ int ftrace_enabled __read_mostly; static int last_ftrace_enabled; +/* + * Since MCOUNT_ADDR may point to mcount itself, we do not want + * to get it confused by reading a reference in the code as we + * are parsing on objcopy output of text. Use a variable for + * it instead. + */ +static unsigned long mcount_addr = MCOUNT_ADDR; + /* * ftrace_disabled is set when an anomaly is discovered. * ftrace_disabled is much stronger than ftrace_enabled. @@ -577,7 +585,7 @@ ftrace_code_disable(struct dyn_ftrace *rec) ip = rec->ip; nop = ftrace_nop_replace(); - call = ftrace_call_replace(ip, MCOUNT_ADDR); + call = ftrace_call_replace(ip, mcount_addr); failed = ftrace_modify_code(ip, call, nop); if (failed) { -- GitLab From d53475b5aa946752e3306b2ecb5a8c9c51cf8dd0 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 27 Aug 2008 13:02:01 -0400 Subject: [PATCH 4613/6244] ftrace: remove warning of old objcopy and local functions The warning messages about old objcopy and local functions spam the user quite drastically. Remove the warning until we can find a nicer way of tell the user to upgrade their objcopy. Signed-off-by: Steven Rostedt Cc: Stephen Rothwell Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 6 ------ 1 file changed, 6 deletions(-) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index ee9e12676776..f56d760bd589 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -262,12 +262,6 @@ sub update_funcs # only use locals if objcopy supports globalize-symbols if (!$use_locals) { - print STDERR - "$inputfile: WARNING: referencing local function " . - "$ref_func for mcount\n" . - "\tConsider upgrading objcopy to support the globalize-" . - "symbols option.\n" - if (!$local_warn_once++); return; } $convert{$ref_func} = 1; -- GitLab From 1b6cced6ec9677fa65471e890dfdcb4bf5387643 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 29 Aug 2008 16:51:43 -0400 Subject: [PATCH 4614/6244] ftrace: stack trace add indexes This patch adds indexes into the stack that the functions in the stack dump were found at. As an added bonus, I also added a diff to show which function is the most notorious consumer of the stack. The output now looks like this: # cat /debug/tracing/stack_trace Depth Size Location (48 entries) ----- ---- -------- 0) 2476 212 blk_recount_segments+0x39/0x59 1) 2264 12 bio_phys_segments+0x16/0x1d 2) 2252 20 blk_rq_bio_prep+0x23/0xaf 3) 2232 12 init_request_from_bio+0x74/0x77 4) 2220 56 __make_request+0x294/0x331 5) 2164 136 generic_make_request+0x34f/0x37d 6) 2028 56 submit_bio+0xe7/0xef 7) 1972 28 submit_bh+0xd1/0xf0 8) 1944 112 block_read_full_page+0x299/0x2a9 9) 1832 8 blkdev_readpage+0x14/0x16 10) 1824 28 read_cache_page_async+0x7e/0x109 11) 1796 16 read_cache_page+0x11/0x49 12) 1780 32 read_dev_sector+0x3c/0x72 13) 1748 48 read_lba+0x4d/0xaa 14) 1700 168 efi_partition+0x85/0x61b 15) 1532 72 rescan_partitions+0x10e/0x266 16) 1460 40 do_open+0x1c7/0x24e 17) 1420 292 __blkdev_get+0x79/0x84 18) 1128 12 blkdev_get+0x12/0x14 19) 1116 20 register_disk+0xd1/0x11e 20) 1096 28 add_disk+0x34/0x90 21) 1068 52 sd_probe+0x2b1/0x366 22) 1016 20 driver_probe_device+0xa5/0x120 23) 996 8 __device_attach+0xd/0xf 24) 988 32 bus_for_each_drv+0x3e/0x68 25) 956 24 device_attach+0x56/0x6c 26) 932 16 bus_attach_device+0x26/0x4d 27) 916 64 device_add+0x380/0x4b4 28) 852 28 scsi_sysfs_add_sdev+0xa1/0x1c9 29) 824 160 scsi_probe_and_add_lun+0x919/0xa2a 30) 664 36 __scsi_add_device+0x88/0xae 31) 628 44 ata_scsi_scan_host+0x9e/0x21c 32) 584 28 ata_host_register+0x1cb/0x1db 33) 556 24 ata_host_activate+0x98/0xb5 34) 532 192 ahci_init_one+0x9bd/0x9e9 35) 340 20 pci_device_probe+0x3e/0x5e 36) 320 20 driver_probe_device+0xa5/0x120 37) 300 20 __driver_attach+0x3f/0x5e 38) 280 36 bus_for_each_dev+0x40/0x62 39) 244 12 driver_attach+0x19/0x1b 40) 232 28 bus_add_driver+0x9c/0x1af 41) 204 28 driver_register+0x76/0xd2 42) 176 20 __pci_register_driver+0x44/0x71 43) 156 8 ahci_init+0x14/0x16 44) 148 100 _stext+0x42/0x122 45) 48 20 kernel_init+0x175/0x1dc 46) 28 28 kernel_thread_helper+0x7/0x10 The first column is simply an index starting from the inner most function and counting down to the outer most. The next column is the location that the function was found on the stack. The next column is the size of the stack for that function. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace_stack.c | 90 +++++++++++++++++++++++++++++++------- 1 file changed, 73 insertions(+), 17 deletions(-) diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 4d1e522e3fe8..74c5d9a3afae 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -16,8 +16,10 @@ #define STACK_TRACE_ENTRIES 500 -static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES] = - { [0 ... (STACK_TRACE_ENTRIES-1)] = ULONG_MAX }; +static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES+1] = + { [0 ... (STACK_TRACE_ENTRIES)] = ULONG_MAX }; +static unsigned stack_dump_index[STACK_TRACE_ENTRIES]; + static struct stack_trace max_stack_trace = { .max_entries = STACK_TRACE_ENTRIES, .entries = stack_dump_trace, @@ -32,8 +34,9 @@ static DEFINE_PER_CPU(int, trace_active); static inline void check_stack(void) { - unsigned long this_size; - unsigned long flags; + unsigned long this_size, flags; + unsigned long *p, *top, *start; + int i; this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1); this_size = THREAD_SIZE - this_size; @@ -51,10 +54,42 @@ static inline void check_stack(void) max_stack_size = this_size; max_stack_trace.nr_entries = 0; - max_stack_trace.skip = 1; + max_stack_trace.skip = 3; save_stack_trace(&max_stack_trace); + /* + * Now find where in the stack these are. + */ + i = 0; + start = &this_size; + top = (unsigned long *) + (((unsigned long)start & ~(THREAD_SIZE-1)) + THREAD_SIZE); + + /* + * Loop through all the entries. One of the entries may + * for some reason be missed on the stack, so we may + * have to account for them. If they are all there, this + * loop will only happen once. This code only takes place + * on a new max, so it is far from a fast path. + */ + while (i < max_stack_trace.nr_entries) { + + stack_dump_index[i] = this_size; + p = start; + + for (; p < top && i < max_stack_trace.nr_entries; p++) { + if (*p == stack_dump_trace[i]) { + this_size = stack_dump_index[i++] = + (top - p) * sizeof(unsigned long); + /* Start the search from here */ + start = p + 1; + } + } + + i++; + } + out: __raw_spin_unlock(&max_stack_lock); raw_local_irq_restore(flags); @@ -145,22 +180,24 @@ static struct file_operations stack_max_size_fops = { static void * t_next(struct seq_file *m, void *v, loff_t *pos) { - unsigned long *t = m->private; + long i = (long)m->private; (*pos)++; - if (!t || *t == ULONG_MAX) + i++; + + if (i >= max_stack_trace.nr_entries || + stack_dump_trace[i] == ULONG_MAX) return NULL; - t++; - m->private = t; + m->private = (void *)i; - return t; + return &m->private; } static void *t_start(struct seq_file *m, loff_t *pos) { - unsigned long *t = m->private; + void *t = &m->private; loff_t l = 0; local_irq_disable(); @@ -178,14 +215,15 @@ static void t_stop(struct seq_file *m, void *p) local_irq_enable(); } -static int trace_lookup_stack(struct seq_file *m, unsigned long addr) +static int trace_lookup_stack(struct seq_file *m, long i) { + unsigned long addr = stack_dump_trace[i]; #ifdef CONFIG_KALLSYMS char str[KSYM_SYMBOL_LEN]; sprint_symbol(str, addr); - return seq_printf(m, "[<%p>] %s\n", (void*)addr, str); + return seq_printf(m, "%s\n", str); #else return seq_printf(m, "%p\n", (void*)addr); #endif @@ -193,12 +231,30 @@ static int trace_lookup_stack(struct seq_file *m, unsigned long addr) static int t_show(struct seq_file *m, void *v) { - unsigned long *t = v; + long i = *(long *)v; + int size; + + if (i < 0) { + seq_printf(m, " Depth Size Location" + " (%d entries)\n" + " ----- ---- --------\n", + max_stack_trace.nr_entries); + return 0; + } - if (!t || *t == ULONG_MAX) + if (i >= max_stack_trace.nr_entries || + stack_dump_trace[i] == ULONG_MAX) return 0; - trace_lookup_stack(m, *t); + if (i+1 == max_stack_trace.nr_entries || + stack_dump_trace[i+1] == ULONG_MAX) + size = stack_dump_index[i]; + else + size = stack_dump_index[i] - stack_dump_index[i+1]; + + seq_printf(m, "%3ld) %8d %5d ", i, stack_dump_index[i], size); + + trace_lookup_stack(m, i); return 0; } @@ -217,7 +273,7 @@ static int stack_trace_open(struct inode *inode, struct file *file) ret = seq_open(file, &stack_trace_seq_ops); if (!ret) { struct seq_file *m = file->private_data; - m->private = stack_dump_trace; + m->private = (void *)-1; } return ret; -- GitLab From 2ff01c6a17391225a18256d510b6e5b4aba40aa1 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 4 Sep 2008 15:04:37 +0200 Subject: [PATCH 4615/6244] stack tracer: depends on DEBUG_KERNEL Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 2a22e46390d3..5a9cffb0fafb 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -109,6 +109,7 @@ config CONTEXT_SWITCH_TRACER config STACK_TRACER bool "Trace max stack" depends on HAVE_FTRACE + depends on DEBUG_KERNEL select FTRACE select STACKTRACE help -- GitLab From a6168353d1c0b24b7512e14d1c3e47ed69881a23 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Wed, 20 Aug 2008 16:36:11 -0700 Subject: [PATCH 4616/6244] ftrace: make output nicely spaced for up to 999 cpus Currently some of the ftrace output goes skewiff if you have more than 9 cpus, and some if you have more than 99. Twiddle with the headers and format strings to make up to 999 cpus display without causing spacing problems. Signed-off-by: Michael Ellerman Acked-by: Steven Rostedt Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 896e59f772c9..1801900908e1 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1409,21 +1409,21 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags) static void print_lat_help_header(struct seq_file *m) { - seq_puts(m, "# _------=> CPU# \n"); - seq_puts(m, "# / _-----=> irqs-off \n"); - seq_puts(m, "# | / _----=> need-resched \n"); - seq_puts(m, "# || / _---=> hardirq/softirq \n"); - seq_puts(m, "# ||| / _--=> preempt-depth \n"); - seq_puts(m, "# |||| / \n"); - seq_puts(m, "# ||||| delay \n"); - seq_puts(m, "# cmd pid ||||| time | caller \n"); - seq_puts(m, "# \\ / ||||| \\ | / \n"); + seq_puts(m, "# _------=> CPU# \n"); + seq_puts(m, "# / _-----=> irqs-off \n"); + seq_puts(m, "# | / _----=> need-resched \n"); + seq_puts(m, "# || / _---=> hardirq/softirq \n"); + seq_puts(m, "# ||| / _--=> preempt-depth \n"); + seq_puts(m, "# |||| / \n"); + seq_puts(m, "# ||||| delay \n"); + seq_puts(m, "# cmd pid ||||| time | caller \n"); + seq_puts(m, "# \\ / ||||| \\ | / \n"); } static void print_func_help_header(struct seq_file *m) { - seq_puts(m, "# TASK-PID CPU# TIMESTAMP FUNCTION\n"); - seq_puts(m, "# | | | | |\n"); + seq_puts(m, "# TASK-PID CPU# TIMESTAMP FUNCTION\n"); + seq_puts(m, "# | | | | |\n"); } @@ -1508,7 +1508,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) comm = trace_find_cmdline(field->pid); trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid); - trace_seq_printf(s, "%d", cpu); + trace_seq_printf(s, "%3d", cpu); trace_seq_printf(s, "%c%c", (field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', ((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); @@ -1598,7 +1598,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) if (verbose) { comm = trace_find_cmdline(field->pid); - trace_seq_printf(s, "%16s %5d %d %d %08x %08x [%08lx]" + trace_seq_printf(s, "%16s %5d %3d %d %08x %08x [%08lx]" " %ld.%03ldms (+%ld.%03ldms): ", comm, field->pid, cpu, field->flags, @@ -1694,7 +1694,7 @@ static int print_trace_fmt(struct trace_iterator *iter) ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid); if (!ret) return 0; - ret = trace_seq_printf(s, "[%02d] ", iter->cpu); + ret = trace_seq_printf(s, "[%03d] ", iter->cpu); if (!ret) return 0; ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem); -- GitLab From 652567aa2000f1d4a1fd434382a30d8dd4a7c980 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 3 Sep 2008 17:42:50 -0400 Subject: [PATCH 4617/6244] ftrace: binary and not logical for continue test Peter Zijlstra provided me with a nice brown paper bag while letting me know that I was doing a logical AND and not a binary one, making a condition true more often than it should be. Luckily, a false true is handled by the calling function and no harm is done. But this needs to be fixed regardless. Signed-off-by: Steven Rostedt Acked-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1801900908e1..9639e45f0860 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1655,7 +1655,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) case TRACE_PRINT: seq_print_ip_sym(s, field->print.ip, sym_flags); trace_seq_printf(s, ": %s", field->print.buf); - if (field->flags && TRACE_FLAG_CONT) + if (field->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; default: @@ -1768,7 +1768,7 @@ static int print_trace_fmt(struct trace_iterator *iter) case TRACE_PRINT: seq_print_ip_sym(s, field->print.ip, sym_flags); trace_seq_printf(s, ": %s", field->print.buf); - if (field->flags && TRACE_FLAG_CONT) + if (field->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; } @@ -1833,7 +1833,7 @@ static int print_raw_fmt(struct trace_iterator *iter) case TRACE_PRINT: trace_seq_printf(s, "# %lx %s", field->print.ip, field->print.buf); - if (field->flags && TRACE_FLAG_CONT) + if (field->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; } -- GitLab From 5a90f577e5369a84b720ead42e621fcb1b8a8b21 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 3 Sep 2008 17:42:51 -0400 Subject: [PATCH 4618/6244] ftrace: print continue index fix An item in the trace buffer that is bigger than one entry may be split up using the TRACE_CONT entry. This makes it a virtual single entry. The current code increments the iterator index even while traversing TRACE_CONT entries, making it look like the iterator is further than it actually is. This patch adds code to not increment the iterator index while skipping over TRACE_CONT entries. Signed-off-by: Steven Rostedt Acked-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 9639e45f0860..d24101cfc425 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1117,9 +1117,8 @@ trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data, } /* Increment the index counter of an iterator by one */ -static void trace_iterator_increment(struct trace_iterator *iter, int cpu) +static void __trace_iterator_increment(struct trace_iterator *iter, int cpu) { - iter->idx++; iter->next_idx[cpu]++; iter->next_page_idx[cpu]++; @@ -1132,6 +1131,12 @@ static void trace_iterator_increment(struct trace_iterator *iter, int cpu) } } +static void trace_iterator_increment(struct trace_iterator *iter, int cpu) +{ + iter->idx++; + __trace_iterator_increment(iter, cpu); +} + static struct trace_entry * trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data, struct trace_iterator *iter, int cpu) @@ -1153,7 +1158,7 @@ trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data, /* find a real entry */ do { - trace_iterator_increment(iter, cpu); + __trace_iterator_increment(iter, cpu); ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); } while (ent && ent->type != TRACE_CONT); @@ -1187,7 +1192,7 @@ __find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc) ent = trace_entry_next(tr, data, iter, cpu); else { while (ent && ent->type == TRACE_CONT) { - trace_iterator_increment(iter, cpu); + __trace_iterator_increment(iter, cpu); ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); } @@ -1566,7 +1571,7 @@ trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) do { trace_seq_printf(s, "%s", ent->cont.buf); - trace_iterator_increment(iter, iter->cpu); + __trace_iterator_increment(iter, iter->cpu); ent = trace_entry_idx(tr, data, iter, iter->cpu); } while (ent && ent->type == TRACE_CONT); } -- GitLab From f09ce573f57ddc35c67b39e51f34545877b30031 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 4 Sep 2008 10:24:14 +0200 Subject: [PATCH 4619/6244] ftrace: make ftrace_printk usable with the other tracers Currently ftrace_printk only works with the ftrace tracer, switch it to an iter_ctrl setting so we can make us of them with other tracers too. [rostedt@redhat.com: tweak to the disable condition] Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 8 +++++--- kernel/trace/trace.h | 1 + 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index d24101cfc425..8a00d6c5c0f5 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -235,6 +235,7 @@ static const char *trace_options[] = { "block", "stacktrace", "sched-tree", + "ftrace_printk", NULL }; @@ -3091,9 +3092,10 @@ static __init void tracer_init_debugfs(void) int __ftrace_printk(unsigned long ip, const char *fmt, ...) { - struct trace_array *tr = &global_trace; static DEFINE_SPINLOCK(trace_buf_lock); static char trace_buf[TRACE_BUF_SIZE]; + + struct trace_array *tr = &global_trace; struct trace_array_cpu *data; struct trace_entry *entry; unsigned long flags; @@ -3101,7 +3103,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) va_list ap; int cpu, len = 0, write, written = 0; - if (likely(!ftrace_function_enabled)) + if (!(trace_flags & TRACE_ITER_PRINTK) || !tr->ctrl || tracing_disabled) return 0; local_irq_save(flags); @@ -3109,7 +3111,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) data = tr->data[cpu]; disabled = atomic_inc_return(&data->disabled); - if (unlikely(disabled != 1 || !ftrace_function_enabled)) + if (unlikely(disabled != 1)) goto out; spin_lock(&trace_buf_lock); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 50b6d7a6f01a..5f54c875c8be 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -356,6 +356,7 @@ enum trace_iterator_flags { TRACE_ITER_BLOCK = 0x80, TRACE_ITER_STACKTRACE = 0x100, TRACE_ITER_SCHED_TREE = 0x200, + TRACE_ITER_PRINTK = 0x400, }; #endif /* _LINUX_KERNEL_TRACE_H */ -- GitLab From 80b5e940050c273ba277acbf3a9fbc1d4441e681 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 4 Sep 2008 10:24:16 +0200 Subject: [PATCH 4620/6244] ftrace: sched_switch: show the wakee's cpu While profiling the smp behaviour of the scheduler it was needed to know to which cpu a task got woken. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 12 +++++++++--- kernel/trace/trace.h | 1 + 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8a00d6c5c0f5..7e6cb4fe62f2 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -977,6 +977,7 @@ tracing_sched_switch_trace(struct trace_array *tr, entry->field.ctx.next_pid = next->pid; entry->field.ctx.next_prio = next->prio; entry->field.ctx.next_state = next->state; + entry->field.ctx.next_cpu = task_cpu(next); __trace_stack(tr, data, flags, 5); __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -1003,6 +1004,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, entry->field.ctx.next_pid = wakee->pid; entry->field.ctx.next_prio = wakee->prio; entry->field.ctx.next_state = wakee->state; + entry->field.ctx.next_cpu = task_cpu(wakee); __trace_stack(tr, data, flags, 6); __raw_spin_unlock(&data->lock); raw_local_irq_restore(irq_flags); @@ -1636,10 +1638,11 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) __ffs(field->ctx.prev_state) + 1 : 0; S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X'; comm = trace_find_cmdline(field->ctx.next_pid); - trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c %s\n", + trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n", field->ctx.prev_pid, field->ctx.prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", + field->ctx.next_cpu, field->ctx.next_pid, field->ctx.next_prio, T, comm); @@ -1736,11 +1739,12 @@ static int print_trace_fmt(struct trace_iterator *iter) state_to_char[field->ctx.prev_state] : 'X'; T = field->ctx.next_state < sizeof(state_to_char) ? state_to_char[field->ctx.next_state] : 'X'; - ret = trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c\n", + ret = trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c\n", field->ctx.prev_pid, field->ctx.prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", + field->ctx.next_cpu, field->ctx.next_pid, field->ctx.next_prio, T); @@ -1817,10 +1821,11 @@ static int print_raw_fmt(struct trace_iterator *iter) state_to_char[field->ctx.next_state] : 'X'; if (entry->type == TRACE_WAKE) S = '+'; - ret = trace_seq_printf(s, "%d %d %c %d %d %c\n", + ret = trace_seq_printf(s, "%d %d %c %d %d %d %c\n", field->ctx.prev_pid, field->ctx.prev_prio, S, + field->ctx.next_cpu, field->ctx.next_pid, field->ctx.next_prio, T); @@ -1893,6 +1898,7 @@ static int print_hex_fmt(struct trace_iterator *iter) SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid); SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio); SEQ_PUT_HEX_FIELD_RET(s, S); + SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_cpu); SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid); SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio); SEQ_PUT_HEX_FIELD_RET(s, T); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 5f54c875c8be..77c265f6a779 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -41,6 +41,7 @@ struct ctx_switch_entry { unsigned int next_pid; unsigned char next_prio; unsigned char next_state; + unsigned int next_cpu; }; /* -- GitLab From d3ee6d992821f471193a7ee7a00af9ebb4bf5d01 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 4 Sep 2008 14:04:51 +0200 Subject: [PATCH 4621/6244] ftrace: make it depend on DEBUG_KERNEL make most of the tracers depend on DEBUG_KERNEL - that's their intended purpose. (most distributions have DEBUG_KERNEL enabled anyway so this is not a practical limitation - but it simplifies the tracing menu in the normal case) Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 5a9cffb0fafb..16e5bb5daaa5 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -22,6 +22,7 @@ config TRACING config FTRACE bool "Kernel Function Tracer" depends on HAVE_FTRACE + depends on DEBUG_KERNEL select FRAME_POINTER select TRACING select CONTEXT_SWITCH_TRACER @@ -40,6 +41,7 @@ config IRQSOFF_TRACER depends on TRACE_IRQFLAGS_SUPPORT depends on GENERIC_TIME depends on HAVE_FTRACE + depends on DEBUG_KERNEL select TRACE_IRQFLAGS select TRACING select TRACER_MAX_TRACE @@ -63,6 +65,7 @@ config PREEMPT_TRACER depends on GENERIC_TIME depends on PREEMPT depends on HAVE_FTRACE + depends on DEBUG_KERNEL select TRACING select TRACER_MAX_TRACE help @@ -90,6 +93,7 @@ config SYSPROF_TRACER config SCHED_TRACER bool "Scheduling Latency Tracer" depends on HAVE_FTRACE + depends on DEBUG_KERNEL select TRACING select CONTEXT_SWITCH_TRACER select TRACER_MAX_TRACE @@ -100,6 +104,7 @@ config SCHED_TRACER config CONTEXT_SWITCH_TRACER bool "Trace process context switches" depends on HAVE_FTRACE + depends on DEBUG_KERNEL select TRACING select MARKERS help @@ -120,6 +125,7 @@ config DYNAMIC_FTRACE bool "enable/disable ftrace tracepoints dynamically" depends on FTRACE depends on HAVE_DYNAMIC_FTRACE + depends on DEBUG_KERNEL default y help This option will modify all the calls to ftrace dynamically @@ -146,6 +152,7 @@ config FTRACE_SELFTEST config FTRACE_STARTUP_TEST bool "Perform a startup test on ftrace" depends on TRACING + depends on DEBUG_KERNEL select FTRACE_SELFTEST help This option performs a series of startup tests on ftrace. On bootup -- GitLab From c0719e5a4b1ccc04180b7a7b71095c9fb7131919 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Sat, 6 Sep 2008 01:06:03 -0400 Subject: [PATCH 4622/6244] ftrace: use ftrace_release for all dynamic ftrace functions ftrace_release is necessary for all uses of dynamic ftrace and not just the archs that have CONFIG_FTRACE_MCOUNT_RECORD defined. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 8b4cf38c80d2..5de9903645d5 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -77,8 +77,10 @@ extern void mcount_call(void); extern int skip_trace(unsigned long ip); -void ftrace_disable_daemon(void); -void ftrace_enable_daemon(void); +extern void ftrace_release(void *start, unsigned long size); + +extern void ftrace_disable_daemon(void); +extern void ftrace_enable_daemon(void); #else # define skip_trace(ip) ({ 0; }) @@ -86,6 +88,7 @@ void ftrace_enable_daemon(void); # define ftrace_set_filter(buf, len, reset) do { } while (0) # define ftrace_disable_daemon() do { } while (0) # define ftrace_enable_daemon() do { } while (0) +static inline void ftrace_release(void *start, unsigned long size) { } #endif /* CONFIG_DYNAMIC_FTRACE */ /* totally disable ftrace - can not re-enable after this */ @@ -199,12 +202,10 @@ static inline void ftrace_dump(void) { } #ifdef CONFIG_FTRACE_MCOUNT_RECORD extern void ftrace_init(void); extern void ftrace_init_module(unsigned long *start, unsigned long *end); -extern void ftrace_release(void *start, unsigned long size); #else static inline void ftrace_init(void) { } static inline void ftrace_init_module(unsigned long *start, unsigned long *end) { } -static inline void ftrace_release(void *start, unsigned long size) { } #endif -- GitLab From 644f991d4b920ab1f5043509651479420b293490 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Sat, 6 Sep 2008 01:06:04 -0400 Subject: [PATCH 4623/6244] ftrace: fix unlocking of hash This must be brown paper bag week for Steven Rostedt! While working on ftrace for PPC, I discovered that the hash locking done when CONFIG_FTRACE_MCOUNT_RECORD is not set, is totally incorrect. With a cut and paste error, I had the hash lock macro to lock for both hash_lock _and_ hash_unlock! This bug did not affect x86 since this bug was introduced when CONFIG_FTRACE_MCOUNT_RECORD was added to x86. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index b69966f0f144..c9e09d86e1d8 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -170,7 +170,8 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) */ static DEFINE_SPINLOCK(ftrace_hash_lock); #define ftrace_hash_lock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags) -#define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags) +#define ftrace_hash_unlock(flags) \ + spin_unlock_irqrestore(&ftrace_hash_lock, flags) #else /* This is protected via the ftrace_lock with MCOUNT_RECORD. */ #define ftrace_hash_lock(flags) do { (void)(flags); } while (0) -- GitLab From bbe5c7830c6dbde58726d44ec0337bc8b2d95d37 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 21:54:16 +0300 Subject: [PATCH 4624/6244] x86 mmiotrace: fix a rare memory leak Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/mm/mmio-mod.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index 635b50e85581..754bd1eaf4f6 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -307,8 +307,10 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size, map.map_id = trace->id; spin_lock_irq(&trace_lock); - if (!is_enabled()) + if (!is_enabled()) { + kfree(trace); goto not_enabled; + } mmio_trace_mapping(&map); list_add_tail(&trace->list, &trace_list); -- GitLab From 45dcd8b8a8ca855591e3ac882d3a7fc255d09d43 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 21:56:41 +0300 Subject: [PATCH 4625/6244] ftrace: move mmiotrace functions out of trace.c Moves the mmiotrace specific functions from trace.c to trace_mmiotrace.c. Functions trace_wake_up(), tracing_get_trace_entry(), and tracing_generic_entry_update() are therefore made available outside trace.c. Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 46 ++-------------------------------- kernel/trace/trace.h | 15 +++++------ kernel/trace/trace_mmiotrace.c | 42 +++++++++++++++++++++++++++++++ 3 files changed, 50 insertions(+), 53 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 7e6cb4fe62f2..d372bc535963 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -785,7 +785,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr) return page_address(page); } -static inline struct trace_entry * +struct trace_entry * tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data) { unsigned long idx, idx_next; @@ -821,7 +821,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data) return entry; } -static inline void +void tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) { struct task_struct *tsk = current; @@ -865,48 +865,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data, trace_function(tr, data, ip, parent_ip, flags); } -#ifdef CONFIG_MMIOTRACE -void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data, - struct mmiotrace_rw *rw) -{ - struct trace_entry *entry; - unsigned long irq_flags; - - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_RW; - entry->field.mmiorw = *rw; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); - - trace_wake_up(); -} - -void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data, - struct mmiotrace_map *map) -{ - struct trace_entry *entry; - unsigned long irq_flags; - - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_MAP; - entry->field.mmiomap = *map; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); - - trace_wake_up(); -} -#endif - void __trace_stack(struct trace_array *tr, struct trace_array_cpu *data, unsigned long flags, diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 77c265f6a779..9d39aa00a9c6 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -213,11 +213,17 @@ struct trace_iterator { long idx; }; +void trace_wake_up(void); void tracing_reset(struct trace_array_cpu *data); int tracing_open_generic(struct inode *inode, struct file *filp); struct dentry *tracing_init_dentry(void); void init_tracer_sysprof_debugfs(struct dentry *d_tracer); +struct trace_entry *tracing_get_trace_entry(struct trace_array *tr, + struct trace_array_cpu *data); +void tracing_generic_entry_update(struct trace_entry *entry, + unsigned long flags); + void ftrace(struct trace_array *tr, struct trace_array_cpu *data, unsigned long ip, @@ -291,15 +297,6 @@ extern unsigned long ftrace_update_tot_cnt; extern int DYN_FTRACE_TEST_NAME(void); #endif -#ifdef CONFIG_MMIOTRACE -extern void __trace_mmiotrace_rw(struct trace_array *tr, - struct trace_array_cpu *data, - struct mmiotrace_rw *rw); -extern void __trace_mmiotrace_map(struct trace_array *tr, - struct trace_array_cpu *data, - struct mmiotrace_map *map); -#endif - #ifdef CONFIG_FTRACE_STARTUP_TEST #ifdef CONFIG_FTRACE extern int trace_selftest_startup_function(struct tracer *trace, diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 9b7a936f4b1f..ef02747b26d9 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -276,6 +276,27 @@ __init static int init_mmio_trace(void) } device_initcall(init_mmio_trace); +static void __trace_mmiotrace_rw(struct trace_array *tr, + struct trace_array_cpu *data, + struct mmiotrace_rw *rw) +{ + struct trace_entry *entry; + unsigned long irq_flags; + + raw_local_irq_save(irq_flags); + __raw_spin_lock(&data->lock); + + entry = tracing_get_trace_entry(tr, data); + tracing_generic_entry_update(entry, 0); + entry->type = TRACE_MMIO_RW; + entry->field.mmiorw = *rw; + + __raw_spin_unlock(&data->lock); + raw_local_irq_restore(irq_flags); + + trace_wake_up(); +} + void mmio_trace_rw(struct mmiotrace_rw *rw) { struct trace_array *tr = mmio_trace_array; @@ -283,6 +304,27 @@ void mmio_trace_rw(struct mmiotrace_rw *rw) __trace_mmiotrace_rw(tr, data, rw); } +static void __trace_mmiotrace_map(struct trace_array *tr, + struct trace_array_cpu *data, + struct mmiotrace_map *map) +{ + struct trace_entry *entry; + unsigned long irq_flags; + + raw_local_irq_save(irq_flags); + __raw_spin_lock(&data->lock); + + entry = tracing_get_trace_entry(tr, data); + tracing_generic_entry_update(entry, 0); + entry->type = TRACE_MMIO_MAP; + entry->field.mmiomap = *map; + + __raw_spin_unlock(&data->lock); + raw_local_irq_restore(irq_flags); + + trace_wake_up(); +} + void mmio_trace_mapping(struct mmiotrace_map *map) { struct trace_array *tr = mmio_trace_array; -- GitLab From 801fe40001dfc263848552fb28924b766ed44ea4 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 21:58:24 +0300 Subject: [PATCH 4626/6244] ftrace: add trace_vprintk() trace_vprintk() for easier implementation of tracer specific *_printk functions. Add check check for no_tracer, and implement __ftrace_printk() as a wrapper. Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 24 ++++++++++++++++++------ kernel/trace/trace.h | 1 + 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index d372bc535963..406de9cf2820 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3054,7 +3054,7 @@ static __init void tracer_init_debugfs(void) (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) #define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) -int __ftrace_printk(unsigned long ip, const char *fmt, ...) +int trace_vprintk(unsigned long ip, const char *fmt, va_list args) { static DEFINE_SPINLOCK(trace_buf_lock); static char trace_buf[TRACE_BUF_SIZE]; @@ -3064,10 +3064,9 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) struct trace_entry *entry; unsigned long flags; long disabled; - va_list ap; int cpu, len = 0, write, written = 0; - if (!(trace_flags & TRACE_ITER_PRINTK) || !tr->ctrl || tracing_disabled) + if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled) return 0; local_irq_save(flags); @@ -3079,9 +3078,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) goto out; spin_lock(&trace_buf_lock); - va_start(ap, fmt); - len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, ap); - va_end(ap); + len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args); len = min(len, TRACE_BUF_SIZE-1); trace_buf[len] = 0; @@ -3120,6 +3117,21 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...) return len; } +EXPORT_SYMBOL_GPL(trace_vprintk); + +int __ftrace_printk(unsigned long ip, const char *fmt, ...) +{ + int ret; + va_list ap; + + if (!(trace_flags & TRACE_ITER_PRINTK)) + return 0; + + va_start(ap, fmt); + ret = trace_vprintk(ip, fmt, ap); + va_end(ap); + return ret; +} EXPORT_SYMBOL_GPL(__ftrace_printk); static int trace_panic_handler(struct notifier_block *this, diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 9d39aa00a9c6..be3b3cf95f4b 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -333,6 +333,7 @@ extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...); extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf, size_t cnt); extern long ns2usecs(cycle_t nsec); +extern int trace_vprintk(unsigned long ip, const char *fmt, va_list args); extern unsigned long trace_flags; -- GitLab From 9e57fb35d711331a9b1410c5c56ebeb3733428a0 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 22:00:34 +0300 Subject: [PATCH 4627/6244] x86 mmiotrace: implement mmiotrace_printk() Offer mmiotrace users a function to inject markers from inside the kernel. This depends on the trace_vprintk() patch. Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/mm/mmio-mod.c | 19 ++++++++++++++++++- arch/x86/mm/testmmiotrace.c | 4 ++++ include/linux/mmiotrace.h | 17 +++++++++++++++-- kernel/trace/trace_mmiotrace.c | 5 +++++ 4 files changed, 42 insertions(+), 3 deletions(-) diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index 754bd1eaf4f6..5e2e2e72ee80 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -75,7 +75,7 @@ static LIST_HEAD(trace_list); /* struct remap_trace */ * and trace_lock. * - Routines depending on is_enabled() must take trace_lock. * - trace_list users must hold trace_lock. - * - is_enabled() guarantees that mmio_trace_record is allowed. + * - is_enabled() guarantees that mmio_trace_{rw,mapping} are allowed. * - pre/post callbacks assume the effect of is_enabled() being true. */ @@ -379,6 +379,23 @@ void mmiotrace_iounmap(volatile void __iomem *addr) iounmap_trace_core(addr); } +int mmiotrace_printk(const char *fmt, ...) +{ + int ret = 0; + va_list args; + unsigned long flags; + va_start(args, fmt); + + spin_lock_irqsave(&trace_lock, flags); + if (is_enabled()) + ret = mmio_trace_printk(fmt, args); + spin_unlock_irqrestore(&trace_lock, flags); + + va_end(args); + return ret; +} +EXPORT_SYMBOL(mmiotrace_printk); + static void clear_trace_list(void) { struct remap_trace *trace; diff --git a/arch/x86/mm/testmmiotrace.c b/arch/x86/mm/testmmiotrace.c index d877c5b423ef..ab50a8d7402c 100644 --- a/arch/x86/mm/testmmiotrace.c +++ b/arch/x86/mm/testmmiotrace.c @@ -3,6 +3,7 @@ */ #include #include +#include #define MODULE_NAME "testmmiotrace" @@ -13,6 +14,7 @@ MODULE_PARM_DESC(mmio_address, "Start address of the mapping of 16 kB."); static void do_write_test(void __iomem *p) { unsigned int i; + mmiotrace_printk("Write test.\n"); for (i = 0; i < 256; i++) iowrite8(i, p + i); for (i = 1024; i < (5 * 1024); i += 2) @@ -24,6 +26,7 @@ static void do_write_test(void __iomem *p) static void do_read_test(void __iomem *p) { unsigned int i; + mmiotrace_printk("Read test.\n"); for (i = 0; i < 256; i++) ioread8(p + i); for (i = 1024; i < (5 * 1024); i += 2) @@ -39,6 +42,7 @@ static void do_test(void) pr_err(MODULE_NAME ": could not ioremap, aborting.\n"); return; } + mmiotrace_printk("ioremap returned %p.\n", p); do_write_test(p); do_read_test(p); iounmap(p); diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index 61d19e1b7a0b..60cc3bf5c538 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -34,11 +34,15 @@ extern void unregister_kmmio_probe(struct kmmio_probe *p); /* Called from page fault handler. */ extern int kmmio_handler(struct pt_regs *regs, unsigned long addr); -/* Called from ioremap.c */ #ifdef CONFIG_MMIOTRACE +/* Called from ioremap.c */ extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size, void __iomem *addr); extern void mmiotrace_iounmap(volatile void __iomem *addr); + +/* For anyone to insert markers. Remember trailing newline. */ +extern int mmiotrace_printk(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); #else static inline void mmiotrace_ioremap(resource_size_t offset, unsigned long size, void __iomem *addr) @@ -48,7 +52,15 @@ static inline void mmiotrace_ioremap(resource_size_t offset, static inline void mmiotrace_iounmap(volatile void __iomem *addr) { } -#endif /* CONFIG_MMIOTRACE_HOOKS */ + +static inline int mmiotrace_printk(const char *fmt, ...) + __attribute__ ((format (printf, 1, 0))); + +static inline int mmiotrace_printk(const char *fmt, ...) +{ + return 0; +} +#endif /* CONFIG_MMIOTRACE */ enum mm_io_opcode { MMIO_READ = 0x1, /* struct mmiotrace_rw */ @@ -81,5 +93,6 @@ extern void enable_mmiotrace(void); extern void disable_mmiotrace(void); extern void mmio_trace_rw(struct mmiotrace_rw *rw); extern void mmio_trace_mapping(struct mmiotrace_map *map); +extern int mmio_trace_printk(const char *fmt, va_list args); #endif /* MMIOTRACE_H */ diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index ef02747b26d9..767d1faf56e5 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -335,3 +335,8 @@ void mmio_trace_mapping(struct mmiotrace_map *map) __trace_mmiotrace_map(tr, data, map); preempt_enable(); } + +int mmio_trace_printk(const char *fmt, va_list args) +{ + return trace_vprintk(0, fmt, args); +} -- GitLab From fc5e27ae4b45a0619701a83f30d9b7fad7ed9400 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 22:02:27 +0300 Subject: [PATCH 4628/6244] mmiotrace: handle TRACE_PRINT entries Also make trace_seq_print_cont() non-static, and add a newline if the seq buffer can't hold all data. Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 31 +++++++++++-------------------- kernel/trace/trace.h | 19 +++++++++++++++++++ kernel/trace/trace_mmiotrace.c | 23 +++++++++++++++++++++++ 3 files changed, 53 insertions(+), 20 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 406de9cf2820..7e7154f77009 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -199,23 +199,6 @@ unsigned long nsecs_to_usecs(unsigned long nsecs) return nsecs / 1000; } -/* - * trace_flag_type is an enumeration that holds different - * states when a trace occurs. These are: - * IRQS_OFF - interrupts were disabled - * NEED_RESCED - reschedule is requested - * HARDIRQ - inside an interrupt handler - * SOFTIRQ - inside a softirq handler - * CONT - multiple entries hold the trace item - */ -enum trace_flag_type { - TRACE_FLAG_IRQS_OFF = 0x01, - TRACE_FLAG_NEED_RESCHED = 0x02, - TRACE_FLAG_HARDIRQ = 0x04, - TRACE_FLAG_SOFTIRQ = 0x08, - TRACE_FLAG_CONT = 0x10, -}; - /* * TRACE_ITER_SYM_MASK masks the options in trace_flags that * control the output of kernel symbols. @@ -1517,12 +1500,16 @@ lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs, static const char state_to_char[] = TASK_STATE_TO_CHAR_STR; -static void -trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) +/* + * The message is supposed to contain an ending newline. + * If the printing stops prematurely, try to add a newline of our own. + */ +void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) { struct trace_array *tr = iter->tr; struct trace_array_cpu *data = tr->data[iter->cpu]; struct trace_entry *ent; + bool ok = true; ent = trace_entry_idx(tr, data, iter, iter->cpu); if (!ent || ent->type != TRACE_CONT) { @@ -1531,10 +1518,14 @@ trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) } do { - trace_seq_printf(s, "%s", ent->cont.buf); + if (ok) + ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0); __trace_iterator_increment(iter, iter->cpu); ent = trace_entry_idx(tr, data, iter, iter->cpu); } while (ent && ent->type == TRACE_CONT); + + if (!ok) + trace_seq_putc(s, '\n'); } static int diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index be3b3cf95f4b..648433d18ccb 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -71,6 +71,23 @@ struct print_entry { char buf[]; }; +/* + * trace_flag_type is an enumeration that holds different + * states when a trace occurs. These are: + * IRQS_OFF - interrupts were disabled + * NEED_RESCED - reschedule is requested + * HARDIRQ - inside an interrupt handler + * SOFTIRQ - inside a softirq handler + * CONT - multiple entries hold the trace item + */ +enum trace_flag_type { + TRACE_FLAG_IRQS_OFF = 0x01, + TRACE_FLAG_NEED_RESCHED = 0x02, + TRACE_FLAG_HARDIRQ = 0x04, + TRACE_FLAG_SOFTIRQ = 0x08, + TRACE_FLAG_CONT = 0x10, +}; + /* * The trace field - the most basic unit of tracing. This is what * is printed in the end as a single line in the trace output, such as: @@ -330,6 +347,8 @@ extern int trace_selftest_startup_sysprof(struct tracer *trace, extern void *head_page(struct trace_array_cpu *data); extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...); +extern void trace_seq_print_cont(struct trace_seq *s, + struct trace_iterator *iter); extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf, size_t cnt); extern long ns2usecs(cycle_t nsec); diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 767d1faf56e5..a108c326f36e 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -245,6 +245,27 @@ static int mmio_print_map(struct trace_iterator *iter) return 0; } +static int mmio_print_mark(struct trace_iterator *iter) +{ + struct trace_entry *entry = iter->ent; + const char *msg = entry->field.print.buf; + struct trace_seq *s = &iter->seq; + unsigned long long t = ns2usecs(entry->field.t); + unsigned long usec_rem = do_div(t, 1000000ULL); + unsigned secs = (unsigned long)t; + int ret; + + /* The trailing newline must be in the message. */ + ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg); + if (!ret) + return 0; + + if (entry->field.flags & TRACE_FLAG_CONT) + trace_seq_print_cont(s, iter); + + return 1; +} + /* return 0 to abort printing without consuming current entry in pipe mode */ static int mmio_print_line(struct trace_iterator *iter) { @@ -253,6 +274,8 @@ static int mmio_print_line(struct trace_iterator *iter) return mmio_print_rw(iter); case TRACE_MMIO_MAP: return mmio_print_map(iter); + case TRACE_PRINT: + return mmio_print_mark(iter); default: return 1; /* ignore unknown entries */ } -- GitLab From 4427414170a63331a9cc36b9598502c5cdfe453b Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 22:03:56 +0300 Subject: [PATCH 4629/6244] mmiotrace: remove left-over marker cruft Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/mm/mmio-mod.c | 64 --------------------------------------- include/linux/mmiotrace.h | 3 +- 2 files changed, 1 insertion(+), 66 deletions(-) diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index 5e2e2e72ee80..2c4baa88f2cb 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -56,13 +56,6 @@ struct remap_trace { static DEFINE_PER_CPU(struct trap_reason, pf_reason); static DEFINE_PER_CPU(struct mmiotrace_rw, cpu_trace); -#if 0 /* XXX: no way gather this info anymore */ -/* Access to this is not per-cpu. */ -static DEFINE_PER_CPU(atomic_t, dropped); -#endif - -static struct dentry *marker_file; - static DEFINE_MUTEX(mmiotrace_mutex); static DEFINE_SPINLOCK(trace_lock); static atomic_t mmiotrace_enabled; @@ -97,44 +90,6 @@ static bool is_enabled(void) return atomic_read(&mmiotrace_enabled); } -#if 0 /* XXX: needs rewrite */ -/* - * Write callback for the debugfs entry: - * Read a marker and write it to the mmio trace log - */ -static ssize_t write_marker(struct file *file, const char __user *buffer, - size_t count, loff_t *ppos) -{ - char *event = NULL; - struct mm_io_header *headp; - ssize_t len = (count > 65535) ? 65535 : count; - - event = kzalloc(sizeof(*headp) + len, GFP_KERNEL); - if (!event) - return -ENOMEM; - - headp = (struct mm_io_header *)event; - headp->type = MMIO_MAGIC | (MMIO_MARKER << MMIO_OPCODE_SHIFT); - headp->data_len = len; - - if (copy_from_user(event + sizeof(*headp), buffer, len)) { - kfree(event); - return -EFAULT; - } - - spin_lock_irq(&trace_lock); -#if 0 /* XXX: convert this to use tracing */ - if (is_enabled()) - relay_write(chan, event, sizeof(*headp) + len); - else -#endif - len = -EINVAL; - spin_unlock_irq(&trace_lock); - kfree(event); - return len; -} -#endif - static void print_pte(unsigned long address) { unsigned int level; @@ -481,26 +436,12 @@ static void leave_uniprocessor(void) } #endif -#if 0 /* XXX: out of order */ -static struct file_operations fops_marker = { - .owner = THIS_MODULE, - .write = write_marker -}; -#endif - void enable_mmiotrace(void) { mutex_lock(&mmiotrace_mutex); if (is_enabled()) goto out; -#if 0 /* XXX: tracing does not support text entries */ - marker_file = debugfs_create_file("marker", 0660, dir, NULL, - &fops_marker); - if (!marker_file) - pr_err(NAME "marker file creation failed.\n"); -#endif - if (nommiotrace) pr_info(NAME "MMIO tracing disabled.\n"); enter_uniprocessor(); @@ -525,11 +466,6 @@ void disable_mmiotrace(void) clear_trace_list(); /* guarantees: no more kmmio callbacks */ leave_uniprocessor(); - if (marker_file) { - debugfs_remove(marker_file); - marker_file = NULL; - } - pr_info(NAME "disabled.\n"); out: mutex_unlock(&mmiotrace_mutex); diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index 60cc3bf5c538..139d7c88d9c9 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -67,8 +67,7 @@ enum mm_io_opcode { MMIO_WRITE = 0x2, /* struct mmiotrace_rw */ MMIO_PROBE = 0x3, /* struct mmiotrace_map */ MMIO_UNPROBE = 0x4, /* struct mmiotrace_map */ - MMIO_MARKER = 0x5, /* raw char data */ - MMIO_UNKNOWN_OP = 0x6, /* struct mmiotrace_rw */ + MMIO_UNKNOWN_OP = 0x5, /* struct mmiotrace_rw */ }; struct mmiotrace_rw { -- GitLab From 5bf9a1ee350a10feb94107de32a203d81fbbe706 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Tue, 16 Sep 2008 22:06:42 +0300 Subject: [PATCH 4630/6244] ftrace: inject markers via trace_marker file MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow a user to inject a marker (TRACE_PRINT entry) into the trace ring buffer. The related file operations are derived from code by Frédéric Weisbecker . Signed-off-by: Pekka Paalanen Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- Documentation/tracers/mmiotrace.txt | 5 +- kernel/trace/trace.c | 76 +++++++++++++++++++++++++++-- kernel/trace/trace.h | 4 ++ 3 files changed, 77 insertions(+), 8 deletions(-) diff --git a/Documentation/tracers/mmiotrace.txt b/Documentation/tracers/mmiotrace.txt index a4afb560a45b..5bbbe2096223 100644 --- a/Documentation/tracers/mmiotrace.txt +++ b/Documentation/tracers/mmiotrace.txt @@ -36,7 +36,7 @@ $ mount -t debugfs debugfs /debug $ echo mmiotrace > /debug/tracing/current_tracer $ cat /debug/tracing/trace_pipe > mydump.txt & Start X or whatever. -$ echo "X is up" > /debug/tracing/marker +$ echo "X is up" > /debug/tracing/trace_marker $ echo none > /debug/tracing/current_tracer Check for lost events. @@ -59,9 +59,8 @@ The 'cat' process should stay running (sleeping) in the background. Load the driver you want to trace and use it. Mmiotrace will only catch MMIO accesses to areas that are ioremapped while mmiotrace is active. -[Unimplemented feature:] During tracing you can place comments (markers) into the trace by -$ echo "X is up" > /debug/tracing/marker +$ echo "X is up" > /debug/tracing/trace_marker This makes it easier to see which part of the (huge) trace corresponds to which action. It is recommended to place descriptive markers about what you do. diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 7e7154f77009..eee1fd964898 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2879,6 +2879,66 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, return cnt; } +static int tracing_open_mark(struct inode *inode, struct file *filp) +{ + int ret; + + ret = tracing_open_generic(inode, filp); + if (ret) + return ret; + + if (current_trace == &no_tracer) + return -ENODEV; + + return 0; +} + +static int mark_printk(const char *fmt, ...) +{ + int ret; + va_list args; + va_start(args, fmt); + ret = trace_vprintk(0, fmt, args); + va_end(args); + return ret; +} + +static ssize_t +tracing_mark_write(struct file *filp, const char __user *ubuf, + size_t cnt, loff_t *fpos) +{ + char *buf; + char *end; + struct trace_array *tr = &global_trace; + + if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled) + return -EINVAL; + + if (cnt > TRACE_BUF_SIZE) + cnt = TRACE_BUF_SIZE; + + buf = kmalloc(cnt + 1, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + if (copy_from_user(buf, ubuf, cnt)) { + kfree(buf); + return -EFAULT; + } + + /* Cut from the first nil or newline. */ + buf[cnt] = '\0'; + end = strchr(buf, '\n'); + if (end) + *end = '\0'; + + cnt = mark_printk("%s\n", buf); + kfree(buf); + *fpos += cnt; + + return cnt; +} + static struct file_operations tracing_max_lat_fops = { .open = tracing_open_generic, .read = tracing_max_lat_read, @@ -2910,6 +2970,11 @@ static struct file_operations tracing_entries_fops = { .write = tracing_entries_write, }; +static struct file_operations tracing_mark_fops = { + .open = tracing_open_mark, + .write = tracing_mark_write, +}; + #ifdef CONFIG_DYNAMIC_FTRACE static ssize_t @@ -3027,6 +3092,12 @@ static __init void tracer_init_debugfs(void) pr_warning("Could not create debugfs " "'trace_entries' entry\n"); + entry = debugfs_create_file("trace_marker", 0220, d_tracer, + NULL, &tracing_mark_fops); + if (!entry) + pr_warning("Could not create debugfs " + "'trace_marker' entry\n"); + #ifdef CONFIG_DYNAMIC_FTRACE entry = debugfs_create_file("dyn_ftrace_total_info", 0444, d_tracer, &ftrace_update_tot_cnt, @@ -3040,11 +3111,6 @@ static __init void tracer_init_debugfs(void) #endif } -#define TRACE_BUF_SIZE 1024 -#define TRACE_PRINT_BUF_SIZE \ - (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) -#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) - int trace_vprintk(unsigned long ip, const char *fmt, va_list args) { static DEFINE_SPINLOCK(trace_buf_lock); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 648433d18ccb..42f65d0097f0 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -124,6 +124,10 @@ struct trace_entry { }; #define TRACE_ENTRY_SIZE sizeof(struct trace_entry) +#define TRACE_BUF_SIZE 1024 +#define TRACE_PRINT_BUF_SIZE \ + (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) +#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) /* * The CPU trace array - it consists of thousands of trace entries -- GitLab From fb1b6d8b5154c692172a424e45fbd0573295cb93 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Fri, 19 Sep 2008 03:06:43 -0700 Subject: [PATCH 4631/6244] ftrace: add nop tracer A no-op tracer which can serve two purposes: 1. A template for development of a new tracer. 2. A convenient way to see ftrace_printk() calls without an irrelevant trace making the output messy. [ mingo@elte.hu: resolved conflicts ] Signed-off-by: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 10 ++++++ kernel/trace/Makefile | 1 + kernel/trace/trace.h | 4 +++ kernel/trace/trace_nop.c | 65 +++++++++++++++++++++++++++++++++++ kernel/trace/trace_selftest.c | 9 +++++ 5 files changed, 89 insertions(+) create mode 100644 kernel/trace/trace_nop.c diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 16e5bb5daaa5..d7b2de744631 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -101,6 +101,16 @@ config SCHED_TRACER This tracer tracks the latency of the highest priority task to be scheduled in, starting from the point it has woken up. +config NOP_TRACER + bool "NOP Tracer" + depends on HAVE_FTRACE + depends on DEBUG_KERNEL + select TRACING + help + This tracer does nothing. The primary purpose for it is to + politely print the output of ftrace_printk() calls without + the overhead of an irrelevant trace taking place. + config CONTEXT_SWITCH_TRACER bool "Trace process context switches" depends on HAVE_FTRACE diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 58ec61c44bd6..73ba13f5a461 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_FTRACE) += trace_functions.o obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o +obj-$(CONFIG_NOP_TRACER) += trace_nop.o obj-$(CONFIG_STACK_TRACER) += trace_stack.o obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 42f65d0097f0..447d4b9b6391 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -339,6 +339,10 @@ extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace, extern int trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr); #endif +#ifdef CONFIG_NOP_TRACER +extern int trace_selftest_startup_nop(struct tracer *trace, + struct trace_array *tr); +#endif #ifdef CONFIG_CONTEXT_SWITCH_TRACER extern int trace_selftest_startup_sched_switch(struct tracer *trace, struct trace_array *tr); diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c new file mode 100644 index 000000000000..dafaefb84038 --- /dev/null +++ b/kernel/trace/trace_nop.c @@ -0,0 +1,65 @@ +/* + * nop tracer + * + * Copyright (C) 2008 Steven Noonan + * + */ + +#include +#include +#include +#include + +#include "trace.h" + +static struct trace_array *ctx_trace; + +static void start_nop_trace(struct trace_array *tr) +{ + /* Nothing to do! */ +} + +static void stop_nop_trace(struct trace_array *tr) +{ + /* Nothing to do! */ +} + +static void nop_trace_init(struct trace_array *tr) +{ + ctx_trace = tr; + + if (tr->ctrl) + start_nop_trace(tr); +} + +static void nop_trace_reset(struct trace_array *tr) +{ + if (tr->ctrl) + stop_nop_trace(tr); +} + +static void nop_trace_ctrl_update(struct trace_array *tr) +{ + /* When starting a new trace, reset the buffers */ + if (tr->ctrl) + start_nop_trace(tr); + else + stop_nop_trace(tr); +} + +static struct tracer nop_trace __read_mostly = +{ + .name = "nop", + .init = nop_trace_init, + .reset = nop_trace_reset, + .ctrl_update = nop_trace_ctrl_update, +#ifdef CONFIG_FTRACE_SELFTEST + .selftest = trace_selftest_startup_nop, +#endif +}; + +__init static int init_nop_trace(void) +{ + return register_tracer(&nop_trace); +} +device_initcall(init_nop_trace); diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 630715bbd572..82db9103b9bc 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -418,6 +418,15 @@ trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array * } #endif /* CONFIG_IRQSOFF_TRACER && CONFIG_PREEMPT_TRACER */ +#ifdef CONFIG_NOP_TRACER +int +trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr) +{ + /* What could possibly go wrong? */ + return 0; +} +#endif + #ifdef CONFIG_SCHED_TRACER static int trace_wakeup_test_thread(void *data) { -- GitLab From 71c67d58b5660f8e42c7d4c3e77cbc03fac5ed31 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Sat, 20 Sep 2008 01:00:37 -0700 Subject: [PATCH 4632/6244] ftrace: mcount_addr defined but not used When CONFIG_DYNAMIC_FTRACE isn't used, neither is mcount_addr. This patch eliminates that warning. Signed-off-by: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index c9e09d86e1d8..7694f3e59797 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -36,14 +36,6 @@ int ftrace_enabled __read_mostly; static int last_ftrace_enabled; -/* - * Since MCOUNT_ADDR may point to mcount itself, we do not want - * to get it confused by reading a reference in the code as we - * are parsing on objcopy output of text. Use a variable for - * it instead. - */ -static unsigned long mcount_addr = MCOUNT_ADDR; - /* * ftrace_disabled is set when an anomaly is discovered. * ftrace_disabled is much stronger than ftrace_enabled. @@ -178,6 +170,14 @@ static DEFINE_SPINLOCK(ftrace_hash_lock); #define ftrace_hash_unlock(flags) do { } while(0) #endif +/* + * Since MCOUNT_ADDR may point to mcount itself, we do not want + * to get it confused by reading a reference in the code as we + * are parsing on objcopy output of text. Use a variable for + * it instead. + */ +static unsigned long mcount_addr = MCOUNT_ADDR; + static struct task_struct *ftraced_task; enum { -- GitLab From 8925b394eca0bb0a444a6487d702d0f650e94a10 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Sat, 20 Sep 2008 01:00:38 -0700 Subject: [PATCH 4633/6244] trace: remove pointless ifdefs The functions are already 'extern' anyway, so there's no problem with linkage. Removing these ifdefs also helps find any potential compiler errors. Suggested by Andrew Morton. Signed-off-by: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/trace.h | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 447d4b9b6391..c8c687088b4d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -319,38 +319,22 @@ extern int DYN_FTRACE_TEST_NAME(void); #endif #ifdef CONFIG_FTRACE_STARTUP_TEST -#ifdef CONFIG_FTRACE extern int trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_IRQSOFF_TRACER extern int trace_selftest_startup_irqsoff(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_PREEMPT_TRACER extern int trace_selftest_startup_preemptoff(struct tracer *trace, struct trace_array *tr); -#endif -#if defined(CONFIG_IRQSOFF_TRACER) && defined(CONFIG_PREEMPT_TRACER) extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_SCHED_TRACER extern int trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_NOP_TRACER extern int trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_CONTEXT_SWITCH_TRACER extern int trace_selftest_startup_sched_switch(struct tracer *trace, struct trace_array *tr); -#endif -#ifdef CONFIG_SYSPROF_TRACER extern int trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr); -#endif #endif /* CONFIG_FTRACE_STARTUP_TEST */ extern void *head_page(struct trace_array_cpu *data); -- GitLab From 35cb5ed01261f5669657d2f1720aca902299887d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Sun, 21 Sep 2008 20:10:14 +0200 Subject: [PATCH 4634/6244] tracing/ftrace: make nop tracer reset previous entries If nop tracer is selected, some old entries from the previous tracer could still be enqueued. Tracing have to be reset. Signed-off-by: Frederic Weisbecker Cc: Steven Rostedt Cc: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/trace_nop.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c index dafaefb84038..9fb02c17ad0c 100644 --- a/kernel/trace/trace_nop.c +++ b/kernel/trace/trace_nop.c @@ -26,8 +26,12 @@ static void stop_nop_trace(struct trace_array *tr) static void nop_trace_init(struct trace_array *tr) { + int cpu; ctx_trace = tr; + for_each_online_cpu(cpu) + tracing_reset(tr->data[cpu]); + if (tr->ctrl) start_nop_trace(tr); } -- GitLab From 2a3a4f669df2164288d11406d11d5e4933bf5e53 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Sun, 21 Sep 2008 20:12:14 +0200 Subject: [PATCH 4635/6244] tracing/ftrace: tracing engine depends on Nop Tracer Now that the nop tracer is used as the default tracer by replacing the "none" tracer, tracing engine depends on it. Signed-off-by: Frederic Weisbecker Cc: Steven Rostedt Cc: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index d7b2de744631..254328dec672 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -1,8 +1,13 @@ # # Architectures that offer an FTRACE implementation should select HAVE_FTRACE: # + +config NOP_TRACER + bool + config HAVE_FTRACE bool + select NOP_TRACER config HAVE_DYNAMIC_FTRACE bool @@ -101,16 +106,6 @@ config SCHED_TRACER This tracer tracks the latency of the highest priority task to be scheduled in, starting from the point it has woken up. -config NOP_TRACER - bool "NOP Tracer" - depends on HAVE_FTRACE - depends on DEBUG_KERNEL - select TRACING - help - This tracer does nothing. The primary purpose for it is to - politely print the output of ftrace_printk() calls without - the overhead of an irrelevant trace taking place. - config CONTEXT_SWITCH_TRACER bool "Trace process context switches" depends on HAVE_FTRACE -- GitLab From 43a15386c4faf913f7d70a47748c266d6210cd6e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Sun, 21 Sep 2008 20:16:30 +0200 Subject: [PATCH 4636/6244] tracing/ftrace: replace none tracer by nop tracer Replace "none" tracer by the recently created "nop" tracer. Both are pretty similar except that nop accepts TRACE_PRINT or TRACE_SPECIAL entries. And as a consequence, changing the size of the ring buffer now requires that tracing has already been disabled. Signed-off-by: Frederic Weisbecker Cc: Steven Rostedt Cc: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 49 ++++++++-------------------------------- kernel/trace/trace.h | 2 ++ kernel/trace/trace_nop.c | 7 +----- 3 files changed, 12 insertions(+), 46 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index eee1fd964898..f2ef72fa3f17 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -142,24 +142,6 @@ static DECLARE_WAIT_QUEUE_HEAD(trace_wait); /* trace_flags holds iter_ctrl options */ unsigned long trace_flags = TRACE_ITER_PRINT_PARENT; -static notrace void no_trace_init(struct trace_array *tr) -{ - int cpu; - - ftrace_function_enabled = 0; - if(tr->ctrl) - for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); - tracer_enabled = 0; -} - -/* dummy trace to disable tracing */ -static struct tracer no_tracer __read_mostly = { - .name = "none", - .init = no_trace_init -}; - - /** * trace_wake_up - wake up tasks waiting for trace input * @@ -962,7 +944,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) long disabled; int cpu; - if (tracing_disabled || current_trace == &no_tracer || !tr->ctrl) + if (tracing_disabled || !tr->ctrl) return; local_irq_save(flags); @@ -2795,6 +2777,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, unsigned long val; char buf[64]; int i, ret; + struct trace_array *tr = filp->private_data; if (cnt >= sizeof(buf)) return -EINVAL; @@ -2814,9 +2797,9 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, mutex_lock(&trace_types_lock); - if (current_trace != &no_tracer) { + if (tr->ctrl) { cnt = -EBUSY; - pr_info("ftrace: set current_tracer to none" + pr_info("ftrace: please disable tracing" " before modifying buffer size\n"); goto out; } @@ -2879,20 +2862,6 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, return cnt; } -static int tracing_open_mark(struct inode *inode, struct file *filp) -{ - int ret; - - ret = tracing_open_generic(inode, filp); - if (ret) - return ret; - - if (current_trace == &no_tracer) - return -ENODEV; - - return 0; -} - static int mark_printk(const char *fmt, ...) { int ret; @@ -2911,7 +2880,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, char *end; struct trace_array *tr = &global_trace; - if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled) + if (!tr->ctrl || tracing_disabled) return -EINVAL; if (cnt > TRACE_BUF_SIZE) @@ -2971,7 +2940,7 @@ static struct file_operations tracing_entries_fops = { }; static struct file_operations tracing_mark_fops = { - .open = tracing_open_mark, + .open = tracing_open_generic, .write = tracing_mark_write, }; @@ -3123,7 +3092,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) long disabled; int cpu, len = 0, write, written = 0; - if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled) + if (!tr->ctrl || tracing_disabled) return 0; local_irq_save(flags); @@ -3539,8 +3508,8 @@ __init static int tracer_alloc_buffers(void) trace_init_cmdlines(); - register_tracer(&no_tracer); - current_trace = &no_tracer; + register_tracer(&nop_trace); + current_trace = &nop_trace; /* All seems OK, enable tracing */ global_trace.ctrl = tracer_enabled; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index c8c687088b4d..cb2c3fb7dd54 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -369,4 +369,6 @@ enum trace_iterator_flags { TRACE_ITER_PRINTK = 0x400, }; +extern struct tracer nop_trace; + #endif /* _LINUX_KERNEL_TRACE_H */ diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c index 9fb02c17ad0c..16c9ba060bab 100644 --- a/kernel/trace/trace_nop.c +++ b/kernel/trace/trace_nop.c @@ -51,7 +51,7 @@ static void nop_trace_ctrl_update(struct trace_array *tr) stop_nop_trace(tr); } -static struct tracer nop_trace __read_mostly = +struct tracer nop_trace __read_mostly = { .name = "nop", .init = nop_trace_init, @@ -62,8 +62,3 @@ static struct tracer nop_trace __read_mostly = #endif }; -__init static int init_nop_trace(void) -{ - return register_tracer(&nop_trace); -} -device_initcall(init_nop_trace); -- GitLab From 05736a427f7e16be948ccbf39782bd3a6ae16b14 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 22 Sep 2008 14:55:47 -0700 Subject: [PATCH 4637/6244] ftrace: warn on failure to disable mcount callers With the recent updates to ftrace, there should not be any failures when modifying the code. If there is, then we need to warn about it. This patch has a cleaned up version of the code that I used to discover that the weak symbols were causing failures. Signed-off-by: Steven Rostedt Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7694f3e59797..4dda4f60a2a9 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -576,6 +576,16 @@ static void ftrace_shutdown_replenish(void) ftrace_pages->next = (void *)get_zeroed_page(GFP_KERNEL); } +static void print_ip_ins(const char *fmt, unsigned char *p) +{ + int i; + + printk(KERN_CONT "%s", fmt); + + for (i = 0; i < MCOUNT_INSN_SIZE; i++) + printk(KERN_CONT "%s%02x", i ? ":" : "", p[i]); +} + static int ftrace_code_disable(struct dyn_ftrace *rec) { @@ -590,6 +600,23 @@ ftrace_code_disable(struct dyn_ftrace *rec) failed = ftrace_modify_code(ip, call, nop); if (failed) { + switch (failed) { + case 1: + WARN_ON_ONCE(1); + pr_info("ftrace faulted on modifying "); + print_ip_sym(ip); + break; + case 2: + WARN_ON_ONCE(1); + pr_info("ftrace failed to modify "); + print_ip_sym(ip); + print_ip_ins(" expected: ", call); + print_ip_ins(" actual: ", (unsigned char *)ip); + print_ip_ins(" replace: ", nop); + printk(KERN_CONT "\n"); + break; + } + rec->flags |= FTRACE_FL_FAILED; return 0; } -- GitLab From 37a52f5ef120b93734bb2461744512b55695f69c Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Tue, 23 Sep 2008 15:05:46 -0700 Subject: [PATCH 4638/6244] x86: suppress trivial sparse signedness warnings Could just as easily change the three casts to cast to the correct type...this patch changes the type of ftrace_nop instead. Supresses sparse warnings: arch/x86/kernel/ftrace.c:157:14: warning: incorrect type in assignment (different signedness) arch/x86/kernel/ftrace.c:157:14: expected long *static [toplevel] ftrace_nop arch/x86/kernel/ftrace.c:157:14: got unsigned long * arch/x86/kernel/ftrace.c:161:14: warning: incorrect type in assignment (different signedness) arch/x86/kernel/ftrace.c:161:14: expected long *static [toplevel] ftrace_nop arch/x86/kernel/ftrace.c:161:14: got unsigned long * arch/x86/kernel/ftrace.c:165:14: warning: incorrect type in assignment (different signedness) arch/x86/kernel/ftrace.c:165:14: expected long *static [toplevel] ftrace_nop arch/x86/kernel/ftrace.c:165:14: got unsigned long * Signed-off-by: Harvey Harrison Signed-off-by: Ingo Molnar --- arch/x86/kernel/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 082d99642622..66d900248fc2 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -22,7 +22,7 @@ /* Long is fine, even if it is only 4 bytes ;-) */ -static long *ftrace_nop; +static unsigned long *ftrace_nop; union ftrace_code_union { char code[MCOUNT_INSN_SIZE]; -- GitLab From ac2b86fdef5b44f194eefaa6b7b6aea9423d1bc2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Wed, 24 Sep 2008 16:31:56 +0100 Subject: [PATCH 4639/6244] x86/ftrace: use uaccess in atomic context With latest -tip I get this bug: [ 49.439988] in_atomic():0, irqs_disabled():1 [ 49.440118] INFO: lockdep is turned off. [ 49.440118] Pid: 2814, comm: modprobe Tainted: G W 2.6.27-rc7 #4 [ 49.440118] [] __might_sleep+0xe1/0x120 [ 49.440118] [] ftrace_modify_code+0x2a/0xd0 [ 49.440118] [] ? ftrace_test_p6nop+0x0/0xa [ 49.440118] [] __ftrace_update_code+0xfe/0x2f0 [ 49.440118] [] ? ftrace_test_p6nop+0x0/0xa [ 49.440118] [] ftrace_convert_nops+0x50/0x80 [ 49.440118] [] ftrace_init_module+0x16/0x20 [ 49.440118] [] load_module+0x185b/0x1d30 [ 49.440118] [] ? find_get_page+0x0/0xf0 [ 49.440118] [] ? sprintf+0x0/0x30 [ 49.440118] [] ? mutex_lock_interruptible_nested+0x1f2/0x350 [ 49.440118] [] sys_init_module+0x53/0x1b0 [ 49.440118] [] ? do_page_fault+0x0/0x740 [ 49.440118] [] syscall_call+0x7/0xb [ 49.440118] ======================= It is because ftrace_modify_code() calls copy_to_user and copy_from_user. These functions have been inserted after guessing that there couldn't be any race condition but copy_[to/from]_user might sleep and __ftrace_update_code is called with local_irq_saved. These function have been inserted since this commit: d5e92e8978fd2574e415dc2792c5eb592978243d: "ftrace: x86 use copy from user function" Signed-off-by: Frederic Weisbecker Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/kernel/ftrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 66d900248fc2..222507e8157b 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -71,13 +71,13 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code, * No real locking needed, this code is run through * kstop_machine, or before SMP starts. */ - if (__copy_from_user(replaced, (char __user *)ip, MCOUNT_INSN_SIZE)) + if (__copy_from_user_inatomic(replaced, (char __user *)ip, MCOUNT_INSN_SIZE)) return 1; if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) return 2; - WARN_ON_ONCE(__copy_to_user((char __user *)ip, new_code, + WARN_ON_ONCE(__copy_to_user_inatomic((char __user *)ip, new_code, MCOUNT_INSN_SIZE)); sync_core(); -- GitLab From d74185ed27651ad8d920b37d7851306ad01f7d6f Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Mon, 29 Sep 2008 16:00:05 +0800 Subject: [PATCH 4640/6244] markers: fix unregister bug and reenter bug unregister bug: codes using makers are typically calling marker_probe_unregister() and then destroying the data that marker_probe_func needs(or unloading this module). This is bug when the corresponding marker_probe_func is still running(on other cpus), it is using the destroying/ed data. we should call synchronize_sched() after marker_update_probes(). reenter bug: marker_probe_register(), marker_probe_unregister() and marker_probe_unregister_private_data() are not reentrant safe functions. these 3 functions release markers_mutex and then require it again and do "entry->oldptr = old; ...", but entry->oldptr maybe is using now for these 3 functions may reenter when markers_mutex is released. we use synchronize_sched() instead of call_rcu_sched() to fix this bug. actually we can do: " if (entry->rcu_pending) rcu_barrier_sched(); " after require markers_mutex again. but synchronize_sched() is better and simpler. For these 3 functions are not critical path. Signed-off-by: Lai Jiangshan Cc: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 52 ++++++------------------------------------------- 1 file changed, 6 insertions(+), 46 deletions(-) diff --git a/kernel/marker.c b/kernel/marker.c index 7d1faecd7a51..9f76c4a622ec 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -60,9 +60,6 @@ struct marker_entry { struct marker_probe_closure single; struct marker_probe_closure *multi; int refcount; /* Number of times armed. 0 if disarmed. */ - struct rcu_head rcu; - void *oldptr; - unsigned char rcu_pending:1; unsigned char ptype:1; char name[0]; /* Contains name'\0'format'\0' */ }; @@ -199,16 +196,6 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...) } EXPORT_SYMBOL_GPL(marker_probe_cb_noarg); -static void free_old_closure(struct rcu_head *head) -{ - struct marker_entry *entry = container_of(head, - struct marker_entry, rcu); - kfree(entry->oldptr); - /* Make sure we free the data before setting the pending flag to 0 */ - smp_wmb(); - entry->rcu_pending = 0; -} - static void debug_print_probes(struct marker_entry *entry) { int i; @@ -417,7 +404,6 @@ static struct marker_entry *add_marker(const char *name, const char *format) e->multi = NULL; e->ptype = 0; e->refcount = 0; - e->rcu_pending = 0; hlist_add_head(&e->hlist, head); return e; } @@ -447,9 +433,6 @@ static int remove_marker(const char *name) if (e->single.func != __mark_empty_function) return -EBUSY; hlist_del(&e->hlist); - /* Make sure the call_rcu has been executed */ - if (e->rcu_pending) - rcu_barrier_sched(); kfree(e); return 0; } @@ -479,12 +462,8 @@ static int marker_set_format(struct marker_entry **entry, const char *format) e->multi = (*entry)->multi; e->ptype = (*entry)->ptype; e->refcount = (*entry)->refcount; - e->rcu_pending = 0; hlist_add_before(&e->hlist, &(*entry)->hlist); hlist_del(&(*entry)->hlist); - /* Make sure the call_rcu has been executed */ - if ((*entry)->rcu_pending) - rcu_barrier_sched(); kfree(*entry); *entry = e; trace_mark(core_marker_format, "name %s format %s", @@ -658,12 +637,6 @@ int marker_probe_register(const char *name, const char *format, goto end; } } - /* - * If we detect that a call_rcu is pending for this marker, - * make sure it's executed now. - */ - if (entry->rcu_pending) - rcu_barrier_sched(); old = marker_entry_add_probe(entry, probe, probe_private); if (IS_ERR(old)) { ret = PTR_ERR(old); @@ -671,14 +644,11 @@ int marker_probe_register(const char *name, const char *format, } mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ + synchronize_sched(); + kfree(old); mutex_lock(&markers_mutex); entry = get_marker(name); WARN_ON(!entry); - entry->oldptr = old; - entry->rcu_pending = 1; - /* write rcu_pending before calling the RCU callback */ - smp_wmb(); - call_rcu_sched(&entry->rcu, free_old_closure); end: mutex_unlock(&markers_mutex); return ret; @@ -708,20 +678,15 @@ int marker_probe_unregister(const char *name, entry = get_marker(name); if (!entry) goto end; - if (entry->rcu_pending) - rcu_barrier_sched(); old = marker_entry_remove_probe(entry, probe, probe_private); mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ + synchronize_sched(); + kfree(old); mutex_lock(&markers_mutex); entry = get_marker(name); if (!entry) goto end; - entry->oldptr = old; - entry->rcu_pending = 1; - /* write rcu_pending before calling the RCU callback */ - smp_wmb(); - call_rcu_sched(&entry->rcu, free_old_closure); remove_marker(name); /* Ignore busy error message */ ret = 0; end: @@ -787,19 +752,14 @@ int marker_probe_unregister_private_data(marker_probe_func *probe, ret = -ENOENT; goto end; } - if (entry->rcu_pending) - rcu_barrier_sched(); old = marker_entry_remove_probe(entry, NULL, probe_private); mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ + synchronize_sched(); + kfree(old); mutex_lock(&markers_mutex); entry = get_marker_from_private_data(probe, probe_private); WARN_ON(!entry); - entry->oldptr = old; - entry->rcu_pending = 1; - /* write rcu_pending before calling the RCU callback */ - smp_wmb(); - call_rcu_sched(&entry->rcu, free_old_closure); remove_marker(entry->name); /* Ignore busy error message */ end: mutex_unlock(&markers_mutex); -- GitLab From ca2db6cf30d6a45798b7a760d0c4f7735b16799d Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Tue, 30 Sep 2008 01:49:39 -0400 Subject: [PATCH 4641/6244] tracepoints: use rcu sched Make tracepoints use rcu sched. (cleanup) Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/tracepoint.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index c7c62a4a75f5..db39961a0d03 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -80,10 +80,7 @@ static void tracepoint_entry_free_old(struct tracepoint_entry *entry, void *old) entry->rcu_pending = 1; /* write rcu_pending before calling the RCU callback */ smp_wmb(); -#ifdef CONFIG_PREEMPT_RCU - synchronize_sched(); /* Until we have the call_rcu_sched() */ -#endif - call_rcu(&entry->rcu, free_old_closure); + call_rcu_sched(&entry->rcu, free_old_closure); } static void debug_print_probes(struct tracepoint_entry *entry) @@ -245,9 +242,9 @@ static int remove_tracepoint(const char *name) if (e->refcount) return -EBUSY; hlist_del(&e->hlist); - /* Make sure the call_rcu has been executed */ + /* Make sure the call_rcu_sched has been executed */ if (e->rcu_pending) - rcu_barrier(); + rcu_barrier_sched(); kfree(e); return 0; } @@ -344,11 +341,11 @@ int tracepoint_probe_register(const char *name, void *probe) } } /* - * If we detect that a call_rcu is pending for this tracepoint, + * If we detect that a call_rcu_sched is pending for this tracepoint, * make sure it's executed now. */ if (entry->rcu_pending) - rcu_barrier(); + rcu_barrier_sched(); old = tracepoint_entry_add_probe(entry, probe); if (IS_ERR(old)) { ret = PTR_ERR(old); @@ -387,7 +384,7 @@ int tracepoint_probe_unregister(const char *name, void *probe) if (!entry) goto end; if (entry->rcu_pending) - rcu_barrier(); + rcu_barrier_sched(); old = tracepoint_entry_remove_probe(entry, probe); mutex_unlock(&tracepoints_mutex); tracepoint_update_probes(); /* may update entry */ -- GitLab From 9a1e9693f534174945154197fec4ec92f168ce21 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Tue, 30 Sep 2008 01:51:12 -0400 Subject: [PATCH 4642/6244] tracepoints: fix reentrancy The tracepoints had the same problem markers did have wrt reentrancy. Apply a similar fix using a rcu_barrier after each tracepoint mutex lock. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/tracepoint.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index db39961a0d03..f2b7c28a4708 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -356,6 +356,8 @@ int tracepoint_probe_register(const char *name, void *probe) mutex_lock(&tracepoints_mutex); entry = get_tracepoint(name); WARN_ON(!entry); + if (entry->rcu_pending) + rcu_barrier_sched(); tracepoint_entry_free_old(entry, old); end: mutex_unlock(&tracepoints_mutex); @@ -392,6 +394,8 @@ int tracepoint_probe_unregister(const char *name, void *probe) entry = get_tracepoint(name); if (!entry) goto end; + if (entry->rcu_pending) + rcu_barrier_sched(); tracepoint_entry_free_old(entry, old); remove_tracepoint(name); /* Ignore busy error message */ ret = 0; -- GitLab From e98d0eabef2748d88fa58760d104e8e68517406b Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 29 Sep 2008 11:05:13 -0400 Subject: [PATCH 4643/6244] markers: marker_synchronize_unregister() Create marker_synchronize_unregister() which must be called before the end of exit() to make sure every probe callers have exited the non preemptible section and thus are not executing the probe code anymore. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- include/linux/marker.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/marker.h b/include/linux/marker.h index 1290653f9241..889196c7fbb1 100644 --- a/include/linux/marker.h +++ b/include/linux/marker.h @@ -160,4 +160,11 @@ extern int marker_probe_unregister_private_data(marker_probe_func *probe, extern void *marker_get_private_data(const char *name, marker_probe_func *probe, int num); +/* + * marker_synchronize_unregister must be called between the last marker probe + * unregistration and the end of module exit to make sure there is no caller + * executing a probe when it is freed. + */ +#define marker_synchronize_unregister() synchronize_sched() + #endif -- GitLab From e2d3b75dbc486253c910722486ac64087f96c59f Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 29 Sep 2008 11:08:03 -0400 Subject: [PATCH 4644/6244] markers: fix unregister bug and reenter bug, cleanup Use the new rcu_read_lock_sched/unlock_sched() in marker code around the call site instead of preempt_disable/enable(). It helps reviewing the code more easily. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/kernel/marker.c b/kernel/marker.c index 9f76c4a622ec..fe5ca72f9659 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -100,11 +100,11 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...) char ptype; /* - * preempt_disable does two things : disabling preemption to make sure - * the teardown of the callbacks can be done correctly when they are in - * modules and they insure RCU read coherency. + * rcu_read_lock_sched does two things : disabling preemption to make + * sure the teardown of the callbacks can be done correctly when they + * are in modules and they insure RCU read coherency. */ - preempt_disable(); + rcu_read_lock_sched(); ptype = mdata->ptype; if (likely(!ptype)) { marker_probe_func *func; @@ -142,7 +142,7 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...) va_end(args); } } - preempt_enable(); + rcu_read_unlock_sched(); } EXPORT_SYMBOL_GPL(marker_probe_cb); @@ -159,7 +159,7 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...) va_list args; /* not initialized */ char ptype; - preempt_disable(); + rcu_read_lock_sched(); ptype = mdata->ptype; if (likely(!ptype)) { marker_probe_func *func; @@ -192,7 +192,7 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...) multi[i].func(multi[i].probe_private, call_private, mdata->format, &args); } - preempt_enable(); + rcu_read_unlock_sched(); } EXPORT_SYMBOL_GPL(marker_probe_cb_noarg); @@ -539,7 +539,7 @@ static int set_marker(struct marker_entry **entry, struct marker *elem, * Disable a marker and its probe callback. * Note: only waiting an RCU period after setting elem->call to the empty * function insures that the original callback is not used anymore. This insured - * by preempt_disable around the call site. + * by rcu_read_lock_sched around the call site. */ static void disable_marker(struct marker *elem) { -- GitLab From 531d297569014e8f889b167a2d15d72429faead1 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 29 Sep 2008 11:09:15 -0400 Subject: [PATCH 4645/6244] markers: probe example, fix teardown Need a marker_synchronize_unregister() before the end of exit() to make sure every probe callers have exited the non preemptible section and thus are not executing the probe code anymore. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- samples/markers/probe-example.c | 1 + 1 file changed, 1 insertion(+) diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c index c8e099d4d1fd..2dfb3b32937e 100644 --- a/samples/markers/probe-example.c +++ b/samples/markers/probe-example.c @@ -81,6 +81,7 @@ static void __exit probe_fini(void) probe_array[i].probe_func, &probe_array[i]); printk(KERN_INFO "Number of event b : %u\n", atomic_read(&eventb_count)); + marker_synchronize_unregister(); } module_init(probe_init); -- GitLab From 91a8d46c47e7eb1c53c181e4328a3cfa45ae4ad3 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 29 Sep 2008 11:10:34 -0400 Subject: [PATCH 4646/6244] markers: documentation fix for teardown Document the need for a marker_synchronize_unregister() before the end of exit() to make sure every probe callers have exited the non preemptible section and thus are not executing the probe code anymore. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- Documentation/markers.txt | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/Documentation/markers.txt b/Documentation/markers.txt index d9f50a19fa0c..089f6138fcd9 100644 --- a/Documentation/markers.txt +++ b/Documentation/markers.txt @@ -50,10 +50,12 @@ Connecting a function (probe) to a marker is done by providing a probe (function to call) for the specific marker through marker_probe_register() and can be activated by calling marker_arm(). Marker deactivation can be done by calling marker_disarm() as many times as marker_arm() has been called. Removing a probe -is done through marker_probe_unregister(); it will disarm the probe and make -sure there is no caller left using the probe when it returns. Probe removal is -preempt-safe because preemption is disabled around the probe call. See the -"Probe example" section below for a sample probe module. +is done through marker_probe_unregister(); it will disarm the probe. +marker_synchronize_unregister() must be called before the end of the module exit +function to make sure there is no caller left using the probe. This, and the +fact that preemption is disabled around the probe call, make sure that probe +removal and module unload are safe. See the "Probe example" section below for a +sample probe module. The marker mechanism supports inserting multiple instances of the same marker. Markers can be put in inline functions, inlined static functions, and -- GitLab From 5b9261d93e5fa3db4995d5b77b5ed365166e001c Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 29 Sep 2008 11:11:47 -0400 Subject: [PATCH 4647/6244] sputrace: use marker_synchronize_unregister() We need a marker_synchronize_unregister() before the end of exit() to make sure every probe callers have exited the non preemptible section and thus are not executing the probe code anymore. Signed-off-by: Mathieu Desnoyers Acked-by: Jeremy Kerr Signed-off-by: Ingo Molnar --- arch/powerpc/platforms/cell/spufs/sputrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c index 92d20e993ede..2ece399f2862 100644 --- a/arch/powerpc/platforms/cell/spufs/sputrace.c +++ b/arch/powerpc/platforms/cell/spufs/sputrace.c @@ -232,6 +232,7 @@ static void __exit sputrace_exit(void) remove_proc_entry("sputrace", NULL); kfree(sputrace_log); + marker_synchronize_unregister(); } module_init(sputrace_init); -- GitLab From ed86a59071a4ccd0e9bcefc61e013759a21eda78 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Wed, 1 Oct 2008 12:03:25 -0400 Subject: [PATCH 4648/6244] markers: re-enable fast batch registration Lai Jiangshan discovered a reentrancy issue with markers and fixed it by adding synchronize_sched() calls at each registration/unregistraiton. It works, but it removes the ability to do batch registration/unregistration and can cause registration of ~100 markers to take about 30 seconds on a loaded machine (synchronize_sched() is much slower on such workloads). This patch implements a version of the fix which won't slow down marker batch registration/unregistration. It also go back to the original non-synchronized reg/unreg. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 58 ++++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 52 insertions(+), 6 deletions(-) diff --git a/kernel/marker.c b/kernel/marker.c index fe5ca72f9659..05a25776f71f 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -60,6 +60,9 @@ struct marker_entry { struct marker_probe_closure single; struct marker_probe_closure *multi; int refcount; /* Number of times armed. 0 if disarmed. */ + struct rcu_head rcu; + void *oldptr; + unsigned char rcu_pending:1; unsigned char ptype:1; char name[0]; /* Contains name'\0'format'\0' */ }; @@ -196,6 +199,16 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...) } EXPORT_SYMBOL_GPL(marker_probe_cb_noarg); +static void free_old_closure(struct rcu_head *head) +{ + struct marker_entry *entry = container_of(head, + struct marker_entry, rcu); + kfree(entry->oldptr); + /* Make sure we free the data before setting the pending flag to 0 */ + smp_wmb(); + entry->rcu_pending = 0; +} + static void debug_print_probes(struct marker_entry *entry) { int i; @@ -404,6 +417,7 @@ static struct marker_entry *add_marker(const char *name, const char *format) e->multi = NULL; e->ptype = 0; e->refcount = 0; + e->rcu_pending = 0; hlist_add_head(&e->hlist, head); return e; } @@ -433,6 +447,9 @@ static int remove_marker(const char *name) if (e->single.func != __mark_empty_function) return -EBUSY; hlist_del(&e->hlist); + /* Make sure the call_rcu has been executed */ + if (e->rcu_pending) + rcu_barrier_sched(); kfree(e); return 0; } @@ -462,8 +479,12 @@ static int marker_set_format(struct marker_entry **entry, const char *format) e->multi = (*entry)->multi; e->ptype = (*entry)->ptype; e->refcount = (*entry)->refcount; + e->rcu_pending = 0; hlist_add_before(&e->hlist, &(*entry)->hlist); hlist_del(&(*entry)->hlist); + /* Make sure the call_rcu has been executed */ + if ((*entry)->rcu_pending) + rcu_barrier_sched(); kfree(*entry); *entry = e; trace_mark(core_marker_format, "name %s format %s", @@ -637,6 +658,12 @@ int marker_probe_register(const char *name, const char *format, goto end; } } + /* + * If we detect that a call_rcu is pending for this marker, + * make sure it's executed now. + */ + if (entry->rcu_pending) + rcu_barrier_sched(); old = marker_entry_add_probe(entry, probe, probe_private); if (IS_ERR(old)) { ret = PTR_ERR(old); @@ -644,11 +671,16 @@ int marker_probe_register(const char *name, const char *format, } mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ - synchronize_sched(); - kfree(old); mutex_lock(&markers_mutex); entry = get_marker(name); WARN_ON(!entry); + if (entry->rcu_pending) + rcu_barrier_sched(); + entry->oldptr = old; + entry->rcu_pending = 1; + /* write rcu_pending before calling the RCU callback */ + smp_wmb(); + call_rcu_sched(&entry->rcu, free_old_closure); end: mutex_unlock(&markers_mutex); return ret; @@ -678,15 +710,22 @@ int marker_probe_unregister(const char *name, entry = get_marker(name); if (!entry) goto end; + if (entry->rcu_pending) + rcu_barrier_sched(); old = marker_entry_remove_probe(entry, probe, probe_private); mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ - synchronize_sched(); - kfree(old); mutex_lock(&markers_mutex); entry = get_marker(name); if (!entry) goto end; + if (entry->rcu_pending) + rcu_barrier_sched(); + entry->oldptr = old; + entry->rcu_pending = 1; + /* write rcu_pending before calling the RCU callback */ + smp_wmb(); + call_rcu_sched(&entry->rcu, free_old_closure); remove_marker(name); /* Ignore busy error message */ ret = 0; end: @@ -752,14 +791,21 @@ int marker_probe_unregister_private_data(marker_probe_func *probe, ret = -ENOENT; goto end; } + if (entry->rcu_pending) + rcu_barrier_sched(); old = marker_entry_remove_probe(entry, NULL, probe_private); mutex_unlock(&markers_mutex); marker_update_probes(); /* may update entry */ - synchronize_sched(); - kfree(old); mutex_lock(&markers_mutex); entry = get_marker_from_private_data(probe, probe_private); WARN_ON(!entry); + if (entry->rcu_pending) + rcu_barrier_sched(); + entry->oldptr = old; + entry->rcu_pending = 1; + /* write rcu_pending before calling the RCU callback */ + smp_wmb(); + call_rcu_sched(&entry->rcu, free_old_closure); remove_marker(entry->name); /* Ignore busy error message */ end: mutex_unlock(&markers_mutex); -- GitLab From 53c8c8fdfd2d2d515bdcb3d0f2a11d1f3f42ece1 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 3 Oct 2008 11:52:54 -0400 Subject: [PATCH 4649/6244] markers: turn marker_synchronize_unregister() into an inline Turn marker synchronize unregister into a static inline. There is no reason to keep it as a macro over a static inline. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- include/linux/marker.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/marker.h b/include/linux/marker.h index 889196c7fbb1..38e32e781ed7 100644 --- a/include/linux/marker.h +++ b/include/linux/marker.h @@ -13,6 +13,7 @@ */ #include +#include struct module; struct marker; @@ -165,6 +166,9 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe, * unregistration and the end of module exit to make sure there is no caller * executing a probe when it is freed. */ -#define marker_synchronize_unregister() synchronize_sched() +static inline void marker_synchronize_unregister(void) +{ + synchronize_sched(); +} #endif -- GitLab From 48043bcdf8f398d28e75ffed6ee85208d751f87f Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Wed, 8 Oct 2008 10:23:36 +0800 Subject: [PATCH 4650/6244] markers: fix unchecked format when the second, third... probe is registered, its format is not checked, this patch fixes it. Signed-off-by: Lai Jiangshan Acked-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/kernel/marker.c b/kernel/marker.c index 05a25776f71f..3b75d0e8b5a4 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -653,11 +653,17 @@ int marker_probe_register(const char *name, const char *format, entry = get_marker(name); if (!entry) { entry = add_marker(name, format); - if (IS_ERR(entry)) { + if (IS_ERR(entry)) ret = PTR_ERR(entry); - goto end; - } + } else if (format) { + if (!entry->format) + ret = marker_set_format(&entry, format); + else if (strcmp(entry->format, format)) + ret = -EPERM; } + if (ret) + goto end; + /* * If we detect that a call_rcu is pending for this marker, * make sure it's executed now. -- GitLab From 1b7ae37c030a9fbbb5ebbf5d7bbfd7208cf805b7 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 10 Oct 2008 14:43:57 +0800 Subject: [PATCH 4651/6244] markers: bit-field is not thread-safe nor smp-safe bit-field is not thread-safe nor smp-safe. struct marker_entry.rcu_pending is not protected by any lock in rcu-callback free_old_closure(). so we must turn it into a safe type. detail: I suppose rcu_pending and ptype are store in struct marker_entry.tmp1 free_old_closure() side: change ptype side: | load struct marker_entry.tmp1 --------------------------------|-------------------------------- | change ptype bit in tmp1 load struct marker_entry.tmp1 | change rcu_pending bit in tmp1 | store tmp1 | --------------------------------|-------------------------------- | store tmp1 now this result equals that free_old_closure() do not change rcu_pending bit, bug! This bug will cause redundant rcu_barrier_sched() called. not too harmful. ----- corresponding: free_old_closure() side: change ptype side: load struct marker_entry.tmp1 | --------------------------------|-------------------------------- | load struct marker_entry.tmp1 change rcu_pending bit in tmp1 | | change ptype bit in tmp1 | store tmp1 --------------------------------|-------------------------------- store tmp1 | now this result equals that change ptype side do not change ptype bit, bug! this bug cause marker_probe_cb() access to invalid memory. oops! see also: http://en.wikipedia.org/wiki/Bit_field Signed-off-by: Lai Jiangshan Acked-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- kernel/marker.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/marker.c b/kernel/marker.c index 3b75d0e8b5a4..e9c6b2bc9400 100644 --- a/kernel/marker.c +++ b/kernel/marker.c @@ -62,7 +62,7 @@ struct marker_entry { int refcount; /* Number of times armed. 0 if disarmed. */ struct rcu_head rcu; void *oldptr; - unsigned char rcu_pending:1; + int rcu_pending; unsigned char ptype:1; char name[0]; /* Contains name'\0'format'\0' */ }; -- GitLab From aa5d9151f745b6ee6a236a1f109118034277eb92 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 13 Sep 2008 09:36:06 -0700 Subject: [PATCH 4652/6244] tracing/fastboot: add a script to visualize the kernel boot process / time When optimizing the kernel boot time, it's very valuable to visualize what is going on at which time. In addition, with the fastboot asynchronous initcall level, it's very valuable to see which initcall gets run where and when. This patch adds a script to turn a dmesg into a SVG graph (that can be shown with tools such as InkScape, Gimp or Firefox) and a small change to the initcall code to print the PID of the thread calling the initcall (so that the script can work out the parallelism). Signed-off-by: Arjan van de Ven --- init/main.c | 3 +- scripts/bootgraph.pl | 138 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 140 insertions(+), 1 deletion(-) create mode 100644 scripts/bootgraph.pl diff --git a/init/main.c b/init/main.c index ded1fae965ab..16abba05c826 100644 --- a/init/main.c +++ b/init/main.c @@ -711,7 +711,8 @@ int do_one_initcall(initcall_t fn) int result; if (initcall_debug) { - printk("calling %pF\n", fn); + printk("calling %pF", fn); + printk(" @ %i\n", task_pid_nr(current)); t0 = ktime_get(); } diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl new file mode 100644 index 000000000000..d459b8bdef02 --- /dev/null +++ b/scripts/bootgraph.pl @@ -0,0 +1,138 @@ +#!/usr/bin/perl + +# Copyright 2008, Intel Corporation +# +# This file is part of the Linux kernel +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# +# Authors: +# Arjan van de Ven + + +# +# This script turns a dmesg output into a SVG graphic that shows which +# functions take how much time. You can view SVG graphics with various +# programs, including Inkscape, The Gimp and Firefox. +# +# +# For this script to work, the kernel needs to be compiled with the +# CONFIG_PRINTK_TIME configuration option enabled, and with +# "initcall_debug" passed on the kernel command line. +# +# usage: +# dmesg | perl scripts/bootgraph.pl > output.svg +# + +my @rows; +my %start, %end, %row; +my $done = 0; +my $rowcount = 0; +my $maxtime = 0; +my $count = 0; +while (<>) { + my $line = $_; + if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) { + my $func = $2; + if ($done == 0) { + $start{$func} = $1; + } + $row{$func} = 1; + if ($line =~ /\@ ([0-9]+)/) { + my $pid = $1; + if (!defined($rows[$pid])) { + $rowcount = $rowcount + 1; + $rows[$pid] = $rowcount; + } + $row{$func} = $rows[$pid]; + } + $count = $count + 1; + } + + if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) { + if ($done == 0) { + $end{$2} = $1; + $maxtime = $1; + } + } + if ($line =~ /Write protecting the/) { + $done = 1; + } +} + +if ($count == 0) { + print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n"; + print "that initcall_debug is passed on the kernel command line.\n\n"; + print "Usage: \n"; + print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; + exit; +} + +print " \n"; +print "\n"; + +my @styles; + +$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[8] = "fill:rgb(255,0,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; + +my $mult = 950.0 / $maxtime; +my $threshold = 0.0500 / $maxtime; +my $stylecounter = 0; +while (($key,$value) = each %start) { + my $duration = $end{$key} - $start{$key}; + + if ($duration >= $threshold) { + my $s, $s2, $e, $y; + $s = $value * $mult; + $s2 = $s + 6; + $e = $end{$key} * $mult; + $w = $e - $s; + + $y = $row{$key} * 150; + $y2 = $y + 4; + + $style = $styles[$stylecounter]; + $stylecounter = $stylecounter + 1; + if ($stylecounter > 11) { + $stylecounter = 0; + }; + + print "\n"; + print "$key\n"; + } +} + + +# print the time line on top +my $time = 0.0; +while ($time < $maxtime) { + my $s2 = $time * $mult; + print "$time\n"; + $time = $time + 0.1; +} + +print "\n"; -- GitLab From d13744cd6e3fef373a3fe656ac349b4e7c49ff79 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Tue, 23 Sep 2008 11:32:08 +0100 Subject: [PATCH 4653/6244] tracing/ftrace: add the boot tracer Add the boot/initcall tracer. It's primary purpose is to be able to trace the initcalls. It is intended to be used with scripts/bootgraph.pl after some small improvements. Note that it is not active after its init. To avoid tracing (and so crashing) before the whole tracing engine init, you have to explicitly call start_boot_trace() after do_pre_smp_initcalls() to enable it. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 19 +++++++ kernel/trace/trace.h | 4 ++ kernel/trace/trace_boot.c | 101 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 124 insertions(+) create mode 100644 kernel/trace/trace_boot.c diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 5de9903645d5..91954eb6460f 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -5,6 +5,8 @@ #include #include +#include +#include extern int ftrace_enabled; extern int @@ -209,4 +211,21 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { } #endif +struct boot_trace { + pid_t caller; + initcall_t func; + int result; + unsigned long long duration; +}; + +#ifdef CONFIG_BOOT_TRACER +extern void trace_boot(struct boot_trace *it); +extern void start_boot_trace(void); +#else +static inline void trace_boot(struct boot_trace *it) { } +static inline void start_boot_trace(void) { } +#endif + + + #endif /* _LINUX_FTRACE_H */ diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index cb2c3fb7dd54..b28bf8812efc 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -6,6 +6,7 @@ #include #include #include +#include enum trace_type { __TRACE_FIRST_TYPE = 0, @@ -19,6 +20,7 @@ enum trace_type { TRACE_SPECIAL, TRACE_MMIO_RW, TRACE_MMIO_MAP, + TRACE_BOOT, __TRACE_LAST_TYPE }; @@ -30,6 +32,7 @@ struct ftrace_entry { unsigned long ip; unsigned long parent_ip; }; +extern struct tracer boot_tracer; /* * Context switch trace entry - which task (and prio) we switched from/to: @@ -108,6 +111,7 @@ struct trace_field { struct print_entry print; struct mmiotrace_rw mmiorw; struct mmiotrace_map mmiomap; + struct boot_trace initcall; }; }; diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c new file mode 100644 index 000000000000..c65ef8ffd6b4 --- /dev/null +++ b/kernel/trace/trace_boot.c @@ -0,0 +1,101 @@ +/* + * ring buffer based initcalls tracer + * + * Copyright (C) 2008 Frederic Weisbecker + * + */ + +#include +#include +#include + +#include "trace.h" + +static struct trace_array *boot_trace; +static int trace_boot_enabled; + + +/* Should be started after do_pre_smp_initcalls() in init/main.c */ +void start_boot_trace(void) +{ + trace_boot_enabled = 1; +} + +void stop_boot_trace(struct trace_array *tr) +{ + trace_boot_enabled = 0; +} + +static void boot_trace_init(struct trace_array *tr) +{ + int cpu; + boot_trace = tr; + + trace_boot_enabled = 0; + + for_each_cpu_mask(cpu, cpu_possible_map) + tracing_reset(tr->data[cpu]); +} + +static void boot_trace_ctrl_update(struct trace_array *tr) +{ + if (tr->ctrl) + start_boot_trace(); + else + stop_boot_trace(tr); +} + +static int initcall_print_line(struct trace_iterator *iter) +{ + int ret = 1; + struct trace_entry *entry = iter->ent; + struct boot_trace *it = &entry->field.initcall; + struct trace_seq *s = &iter->seq; + + if (iter->ent->type == TRACE_BOOT) + ret = trace_seq_printf(s, "%pF called from %i " + "returned %d after %lld msecs\n", + it->func, it->caller, it->result, + it->duration); + if (ret) + return 1; + return 0; +} + +struct tracer boot_tracer __read_mostly = +{ + .name = "initcall", + .init = boot_trace_init, + .reset = stop_boot_trace, + .ctrl_update = boot_trace_ctrl_update, + .print_line = initcall_print_line, +}; + + +void trace_boot(struct boot_trace *it) +{ + struct trace_entry *entry; + struct trace_array_cpu *data; + unsigned long irq_flags; + struct trace_array *tr = boot_trace; + + if (!trace_boot_enabled) + return; + + preempt_disable(); + data = tr->data[smp_processor_id()]; + + raw_local_irq_save(irq_flags); + __raw_spin_lock(&data->lock); + + entry = tracing_get_trace_entry(tr, data); + tracing_generic_entry_update(entry, 0); + entry->type = TRACE_BOOT; + entry->field.initcall = *it; + + __raw_spin_unlock(&data->lock); + raw_local_irq_restore(irq_flags); + trace_wake_up(); + + preempt_enable(); +} -- GitLab From b5ad384e79add1d87fff54070000dadcf218ffab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Tue, 23 Sep 2008 11:34:32 +0100 Subject: [PATCH 4654/6244] tracing/ftrace: make tracing suitable to run the boot tracer The tracing engine have now to be init in early_initcall to set the boot tracer. Only the debugfs settings will be initialized at fs_initcall time. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index f2ef72fa3f17..6ada059832a6 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2990,7 +2990,7 @@ struct dentry *tracing_init_dentry(void) #include "trace_selftest.c" #endif -static __init void tracer_init_debugfs(void) +static __init int tracer_init_debugfs(void) { struct dentry *d_tracer; struct dentry *entry; @@ -3078,6 +3078,7 @@ static __init void tracer_init_debugfs(void) #ifdef CONFIG_SYSPROF_TRACER init_tracer_sysprof_debugfs(d_tracer); #endif + return 0; } int trace_vprintk(unsigned long ip, const char *fmt, va_list args) @@ -3504,17 +3505,20 @@ __init static int tracer_alloc_buffers(void) pages, trace_nr_entries, (long)TRACE_ENTRY_SIZE); pr_info(" actual entries %ld\n", global_trace.entries); - tracer_init_debugfs(); - trace_init_cmdlines(); register_tracer(&nop_trace); +#ifdef CONFIG_BOOT_TRACER + register_tracer(&boot_tracer); + current_trace = &boot_tracer; + current_trace->init(&global_trace); +#else current_trace = &nop_trace; +#endif /* All seems OK, enable tracing */ global_trace.ctrl = tracer_enabled; tracing_disabled = 0; - atomic_notifier_chain_register(&panic_notifier_list, &trace_panic_notifier); @@ -3548,4 +3552,5 @@ __init static int tracer_alloc_buffers(void) } return ret; } -fs_initcall(tracer_alloc_buffers); +early_initcall(tracer_alloc_buffers); +fs_initcall(tracer_init_debugfs); -- GitLab From 1f5c2abbdeb2bb07b20c6a66bfecefe6c867b1ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Tue, 23 Sep 2008 11:36:20 +0100 Subject: [PATCH 4655/6244] tracing/ftrace: give an entry on the config for boot tracer Bring the entry to choose the boot tracer on the kernel config. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 12 ++++++++++++ kernel/trace/Makefile | 1 + 2 files changed, 13 insertions(+) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 254328dec672..81a17ef6b942 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -116,6 +116,18 @@ config CONTEXT_SWITCH_TRACER This tracer gets called from the context switch and records all switching of tasks. +config BOOT_TRACER + bool "Trace boot initcalls" + depends on HAVE_FTRACE + depends on DEBUG_KERNEL + select TRACING + help + This tracer helps developers to optimize boot times: it records + the timings of the initcalls. Its aim is to be parsed by the + /scripts/bootgraph.pl tool to produce pretty graphics about + boot inefficiencies, giving a visual representation of the + delays during initcalls. + config STACK_TRACER bool "Trace max stack" depends on HAVE_FTRACE diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 73ba13f5a461..35a07f7cfa86 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -22,5 +22,6 @@ obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o obj-$(CONFIG_NOP_TRACER) += trace_nop.o obj-$(CONFIG_STACK_TRACER) += trace_stack.o obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o +obj-$(CONFIG_BOOT_TRACER) += trace_boot.o libftrace-y := ftrace.o -- GitLab From 3bf77af6e1fef1124bf71d81f9f84885f0ee0dea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Tue, 23 Sep 2008 11:38:18 +0100 Subject: [PATCH 4656/6244] tracing/ftrace: launch boot tracing after pre-smp initcalls Launch the boot tracing inside the initcall_debug area. Old printk have not been removed to keep the old way of initcall tracing for backward compatibility. [ mingo@elte.hu: resolved conflicts ] Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- init/main.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/init/main.c b/init/main.c index 16abba05c826..1e39a1eab190 100644 --- a/init/main.c +++ b/init/main.c @@ -709,10 +709,12 @@ int do_one_initcall(initcall_t fn) ktime_t t0, t1, delta; char msgbuf[64]; int result; + struct boot_trace it; if (initcall_debug) { - printk("calling %pF", fn); - printk(" @ %i\n", task_pid_nr(current)); + it.caller = task_pid_nr(current); + it.func = fn; + printk("calling %pF @ %i\n", fn, it.caller); t0 = ktime_get(); } @@ -721,10 +723,11 @@ int do_one_initcall(initcall_t fn) if (initcall_debug) { t1 = ktime_get(); delta = ktime_sub(t1, t0); - - printk("initcall %pF returned %d after %Ld msecs\n", - fn, result, - (unsigned long long) delta.tv64 >> 20); + it.result = result; + it.duration = (unsigned long long) delta.tv64 >> 20; + printk("initcall %pF returned %d after %Ld msecs\n", fn, + result, it.duration); + trace_boot(&it); } msgbuf[0] = 0; @@ -859,6 +862,7 @@ static int __init kernel_init(void * unused) smp_prepare_cpus(setup_max_cpus); do_pre_smp_initcalls(); + start_boot_trace(); smp_init(); sched_init_smp(); -- GitLab From 3ce2b9200da8b7170cc7463b7ee4212fad7b291e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Wed, 24 Sep 2008 10:36:09 +0100 Subject: [PATCH 4657/6244] ftrace/fastboot: disable tracers self-tests when boot tracer is selected The tracing engine resets the ring buffer and the tracers touch it too during self-tests. These self-tests happen during tracers registering and work against boot tracing which is logging initcalls. We have to disable tracing self-tests if the boot-tracer is selected. Reported-by: Ingo Molnar Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 81a17ef6b942..4feb3c81f94d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -126,7 +126,9 @@ config BOOT_TRACER the timings of the initcalls. Its aim is to be parsed by the /scripts/bootgraph.pl tool to produce pretty graphics about boot inefficiencies, giving a visual representation of the - delays during initcalls. + delays during initcalls. Note that tracers self tests can't + be enabled if this tracer is selected since only one tracer + should touch the tracing buffer at a time. config STACK_TRACER bool "Trace max stack" @@ -168,8 +170,7 @@ config FTRACE_SELFTEST config FTRACE_STARTUP_TEST bool "Perform a startup test on ftrace" - depends on TRACING - depends on DEBUG_KERNEL + depends on TRACING && DEBUG_KERNEL && !BOOT_TRACER select FTRACE_SELFTEST help This option performs a series of startup tests on ftrace. On bootup -- GitLab From 7c572ac0cf5e8cd8e17f084bc6c253296cc42279 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= Date: Thu, 25 Sep 2008 13:25:30 +0100 Subject: [PATCH 4658/6244] tracing/ftrace: don't consume unhandled entries by boot tracer When the boot tracer can't handle an entry output, it returns 1. It should return 0 to relay on other output functions. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/trace_boot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index c65ef8ffd6b4..d5c9e2e4a9c4 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -47,7 +47,7 @@ static void boot_trace_ctrl_update(struct trace_array *tr) static int initcall_print_line(struct trace_iterator *iter) { - int ret = 1; + int ret = 0; struct trace_entry *entry = iter->ent; struct boot_trace *it = &entry->field.initcall; struct trace_seq *s = &iter->seq; -- GitLab From 5aa60c6073456812251caf9177cb921b2de68f77 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:37 -0400 Subject: [PATCH 4659/6244] ftrace: give time for wakeup test to run It is possible that the testing thread in the ftrace wakeup test does not run before we stop the trace. This will cause the trace to fail since nothing will be in the buffers. This patch adds a small wait in the wakeup test to allow for the woken task to run and be traced. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace_selftest.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 82db9103b9bc..5ebd4b135498 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -498,6 +498,9 @@ trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr) wake_up_process(p); + /* give a little time to let the thread wake up */ + msleep(100); + /* stop the tracing. */ tr->ctrl = 0; trace->ctrl_update(tr); -- GitLab From 7a8e76a3829f1067b70f715771ff88baf2fbf3c3 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:38 -0400 Subject: [PATCH 4660/6244] tracing: unified trace buffer This is a unified tracing buffer that implements a ring buffer that hopefully everyone will eventually be able to use. The events recorded into the buffer have the following structure: struct ring_buffer_event { u32 type:2, len:3, time_delta:27; u32 array[]; }; The minimum size of an event is 8 bytes. All events are 4 byte aligned inside the buffer. There are 4 types (all internal use for the ring buffer, only the data type is exported to the interface users). RINGBUF_TYPE_PADDING: this type is used to note extra space at the end of a buffer page. RINGBUF_TYPE_TIME_EXTENT: This type is used when the time between events is greater than the 27 bit delta can hold. We add another 32 bits, and record that in its own event (8 byte size). RINGBUF_TYPE_TIME_STAMP: (Not implemented yet). This will hold data to help keep the buffer timestamps in sync. RINGBUF_TYPE_DATA: The event actually holds user data. The "len" field is only three bits. Since the data must be 4 byte aligned, this field is shifted left by 2, giving a max length of 28 bytes. If the data load is greater than 28 bytes, the first array field holds the full length of the data load and the len field is set to zero. Example, data size of 7 bytes: type = RINGBUF_TYPE_DATA len = 2 time_delta: - array[0..1]: <7 bytes of data> <1 byte empty> This event is saved in 12 bytes of the buffer. An event with 82 bytes of data: type = RINGBUF_TYPE_DATA len = 0 time_delta: - array[0]: 84 (Note the alignment) array[1..14]: <82 bytes of data> <2 bytes empty> The above event is saved in 92 bytes (if my math is correct). 82 bytes of data, 2 bytes empty, 4 byte header, 4 byte length. Do not reference the above event struct directly. Use the following functions to gain access to the event table, since the ring_buffer_event structure may change in the future. ring_buffer_event_length(event): get the length of the event. This is the size of the memory used to record this event, and not the size of the data pay load. ring_buffer_time_delta(event): get the time delta of the event This returns the delta time stamp since the last event. Note: Even though this is in the header, there should be no reason to access this directly, accept for debugging. ring_buffer_event_data(event): get the data from the event This is the function to use to get the actual data from the event. Note, it is only a pointer to the data inside the buffer. This data must be copied to another location otherwise you risk it being written over in the buffer. ring_buffer_lock: A way to lock the entire buffer. ring_buffer_unlock: unlock the buffer. ring_buffer_alloc: create a new ring buffer. Can choose between overwrite or consumer/producer mode. Overwrite will overwrite old data, where as consumer producer will throw away new data if the consumer catches up with the producer. The consumer/producer is the default. ring_buffer_free: free the ring buffer. ring_buffer_resize: resize the buffer. Changes the size of each cpu buffer. Note, it is up to the caller to provide that the buffer is not being used while this is happening. This requirement may go away but do not count on it. ring_buffer_lock_reserve: locks the ring buffer and allocates an entry on the buffer to write to. ring_buffer_unlock_commit: unlocks the ring buffer and commits it to the buffer. ring_buffer_write: writes some data into the ring buffer. ring_buffer_peek: Look at a next item in the cpu buffer. ring_buffer_consume: get the next item in the cpu buffer and consume it. That is, this function increments the head pointer. ring_buffer_read_start: Start an iterator of a cpu buffer. For now, this disables the cpu buffer, until you issue a finish. This is just because we do not want the iterator to be overwritten. This restriction may change in the future. But note, this is used for static reading of a buffer which is usually done "after" a trace. Live readings would want to use the ring_buffer_consume above, which will not disable the ring buffer. ring_buffer_read_finish: Finishes the read iterator and reenables the ring buffer. ring_buffer_iter_peek: Look at the next item in the cpu iterator. ring_buffer_read: Read the iterator and increment it. ring_buffer_iter_reset: Reset the iterator to point to the beginning of the cpu buffer. ring_buffer_iter_empty: Returns true if the iterator is at the end of the cpu buffer. ring_buffer_size: returns the size in bytes of each cpu buffer. Note, the real size is this times the number of CPUs. ring_buffer_reset_cpu: Sets the cpu buffer to empty ring_buffer_reset: sets all cpu buffers to empty ring_buffer_swap_cpu: swaps a cpu buffer from one buffer with a cpu buffer of another buffer. This is handy when you want to take a snap shot of a running trace on just one cpu. Having a backup buffer, to swap with facilitates this. Ftrace max latencies use this. ring_buffer_empty: Returns true if the ring buffer is empty. ring_buffer_empty_cpu: Returns true if the cpu buffer is empty. ring_buffer_record_disable: disable all cpu buffers (read only) ring_buffer_record_disable_cpu: disable a single cpu buffer (read only) ring_buffer_record_enable: enable all cpu buffers. ring_buffer_record_enabl_cpu: enable a single cpu buffer. ring_buffer_entries: The number of entries in a ring buffer. ring_buffer_overruns: The number of entries removed due to writing wrap. ring_buffer_time_stamp: Get the time stamp used by the ring buffer ring_buffer_normalize_time_stamp: normalize the ring buffer time stamp into nanosecs. I still need to implement the GTOD feature. But we need support from the cpu frequency infrastructure. But this can be done at a later time without affecting the ring buffer interface. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ring_buffer.h | 130 +++ kernel/trace/Kconfig | 4 + kernel/trace/Makefile | 1 + kernel/trace/ring_buffer.c | 1672 +++++++++++++++++++++++++++++++++++ 4 files changed, 1807 insertions(+) create mode 100644 include/linux/ring_buffer.h create mode 100644 kernel/trace/ring_buffer.c diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h new file mode 100644 index 000000000000..c52375b8330d --- /dev/null +++ b/include/linux/ring_buffer.h @@ -0,0 +1,130 @@ +#ifndef _LINUX_RING_BUFFER_H +#define _LINUX_RING_BUFFER_H + +#include +#include + +struct ring_buffer; +struct ring_buffer_iter; + +/* + * Don't reference this struct directly, use functions below. + */ +struct ring_buffer_event { + u32 type:2, len:3, time_delta:27; + u32 array[]; +}; + +/** + * enum ring_buffer_type - internal ring buffer types + * + * @RINGBUF_TYPE_PADDING: Left over page padding + * array is ignored + * size is variable depending on how much + * padding is needed + * + * @RINGBUF_TYPE_TIME_EXTEND: Extend the time delta + * array[0] = time delta (28 .. 59) + * size = 8 bytes + * + * @RINGBUF_TYPE_TIME_STAMP: Sync time stamp with external clock + * array[0] = tv_nsec + * array[1] = tv_sec + * size = 16 bytes + * + * @RINGBUF_TYPE_DATA: Data record + * If len is zero: + * array[0] holds the actual length + * array[1..(length+3)/4-1] holds data + * else + * length = len << 2 + * array[0..(length+3)/4] holds data + */ +enum ring_buffer_type { + RINGBUF_TYPE_PADDING, + RINGBUF_TYPE_TIME_EXTEND, + /* FIXME: RINGBUF_TYPE_TIME_STAMP not implemented */ + RINGBUF_TYPE_TIME_STAMP, + RINGBUF_TYPE_DATA, +}; + +unsigned ring_buffer_event_length(struct ring_buffer_event *event); +void *ring_buffer_event_data(struct ring_buffer_event *event); + +/** + * ring_buffer_event_time_delta - return the delta timestamp of the event + * @event: the event to get the delta timestamp of + * + * The delta timestamp is the 27 bit timestamp since the last event. + */ +static inline unsigned +ring_buffer_event_time_delta(struct ring_buffer_event *event) +{ + return event->time_delta; +} + +void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags); +void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags); + +/* + * size is in bytes for each per CPU buffer. + */ +struct ring_buffer * +ring_buffer_alloc(unsigned long size, unsigned flags); +void ring_buffer_free(struct ring_buffer *buffer); + +int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size); + +struct ring_buffer_event * +ring_buffer_lock_reserve(struct ring_buffer *buffer, + unsigned long length, + unsigned long *flags); +int ring_buffer_unlock_commit(struct ring_buffer *buffer, + struct ring_buffer_event *event, + unsigned long flags); +int ring_buffer_write(struct ring_buffer *buffer, + unsigned long length, void *data); + +struct ring_buffer_event * +ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts); +struct ring_buffer_event * +ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts); + +struct ring_buffer_iter * +ring_buffer_read_start(struct ring_buffer *buffer, int cpu); +void ring_buffer_read_finish(struct ring_buffer_iter *iter); + +struct ring_buffer_event * +ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts); +struct ring_buffer_event * +ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts); +void ring_buffer_iter_reset(struct ring_buffer_iter *iter); +int ring_buffer_iter_empty(struct ring_buffer_iter *iter); + +unsigned long ring_buffer_size(struct ring_buffer *buffer); + +void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu); +void ring_buffer_reset(struct ring_buffer *buffer); + +int ring_buffer_swap_cpu(struct ring_buffer *buffer_a, + struct ring_buffer *buffer_b, int cpu); + +int ring_buffer_empty(struct ring_buffer *buffer); +int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu); + +void ring_buffer_record_disable(struct ring_buffer *buffer); +void ring_buffer_record_enable(struct ring_buffer *buffer); +void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu); +void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu); + +unsigned long ring_buffer_entries(struct ring_buffer *buffer); +unsigned long ring_buffer_overruns(struct ring_buffer *buffer); + +u64 ring_buffer_time_stamp(int cpu); +void ring_buffer_normalize_time_stamp(int cpu, u64 *ts); + +enum ring_buffer_flags { + RB_FL_OVERWRITE = 1 << 0, +}; + +#endif /* _LINUX_RING_BUFFER_H */ diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 4feb3c81f94d..396aea11398e 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -18,9 +18,13 @@ config HAVE_FTRACE_MCOUNT_RECORD config TRACER_MAX_TRACE bool +config RING_BUFFER + bool + config TRACING bool select DEBUG_FS + select RING_BUFFER select STACKTRACE select TRACEPOINTS diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 35a07f7cfa86..a85dfba88ba0 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -11,6 +11,7 @@ obj-y += trace_selftest_dynamic.o endif obj-$(CONFIG_FTRACE) += libftrace.o +obj-$(CONFIG_RING_BUFFER) += ring_buffer.o obj-$(CONFIG_TRACING) += trace.o obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c new file mode 100644 index 000000000000..830a2930dd91 --- /dev/null +++ b/kernel/trace/ring_buffer.c @@ -0,0 +1,1672 @@ +/* + * Generic ring buffer + * + * Copyright (C) 2008 Steven Rostedt + */ +#include +#include +#include +#include +#include +#include +#include +#include /* used for sched_clock() (for now) */ +#include +#include +#include +#include + +/* Up this if you want to test the TIME_EXTENTS and normalization */ +#define DEBUG_SHIFT 0 + +/* FIXME!!! */ +u64 ring_buffer_time_stamp(int cpu) +{ + /* shift to debug/test normalization and TIME_EXTENTS */ + return sched_clock() << DEBUG_SHIFT; +} + +void ring_buffer_normalize_time_stamp(int cpu, u64 *ts) +{ + /* Just stupid testing the normalize function and deltas */ + *ts >>= DEBUG_SHIFT; +} + +#define RB_EVNT_HDR_SIZE (sizeof(struct ring_buffer_event)) +#define RB_ALIGNMENT_SHIFT 2 +#define RB_ALIGNMENT (1 << RB_ALIGNMENT_SHIFT) +#define RB_MAX_SMALL_DATA 28 + +enum { + RB_LEN_TIME_EXTEND = 8, + RB_LEN_TIME_STAMP = 16, +}; + +/* inline for ring buffer fast paths */ +static inline unsigned +rb_event_length(struct ring_buffer_event *event) +{ + unsigned length; + + switch (event->type) { + case RINGBUF_TYPE_PADDING: + /* undefined */ + return -1; + + case RINGBUF_TYPE_TIME_EXTEND: + return RB_LEN_TIME_EXTEND; + + case RINGBUF_TYPE_TIME_STAMP: + return RB_LEN_TIME_STAMP; + + case RINGBUF_TYPE_DATA: + if (event->len) + length = event->len << RB_ALIGNMENT_SHIFT; + else + length = event->array[0]; + return length + RB_EVNT_HDR_SIZE; + default: + BUG(); + } + /* not hit */ + return 0; +} + +/** + * ring_buffer_event_length - return the length of the event + * @event: the event to get the length of + */ +unsigned ring_buffer_event_length(struct ring_buffer_event *event) +{ + return rb_event_length(event); +} + +/* inline for ring buffer fast paths */ +static inline void * +rb_event_data(struct ring_buffer_event *event) +{ + BUG_ON(event->type != RINGBUF_TYPE_DATA); + /* If length is in len field, then array[0] has the data */ + if (event->len) + return (void *)&event->array[0]; + /* Otherwise length is in array[0] and array[1] has the data */ + return (void *)&event->array[1]; +} + +/** + * ring_buffer_event_data - return the data of the event + * @event: the event to get the data from + */ +void *ring_buffer_event_data(struct ring_buffer_event *event) +{ + return rb_event_data(event); +} + +#define for_each_buffer_cpu(buffer, cpu) \ + for_each_cpu_mask(cpu, buffer->cpumask) + +#define TS_SHIFT 27 +#define TS_MASK ((1ULL << TS_SHIFT) - 1) +#define TS_DELTA_TEST (~TS_MASK) + +/* + * This hack stolen from mm/slob.c. + * We can store per page timing information in the page frame of the page. + * Thanks to Peter Zijlstra for suggesting this idea. + */ +struct buffer_page { + union { + struct { + unsigned long flags; /* mandatory */ + atomic_t _count; /* mandatory */ + u64 time_stamp; /* page time stamp */ + unsigned size; /* size of page data */ + struct list_head list; /* list of free pages */ + }; + struct page page; + }; +}; + +/* + * We need to fit the time_stamp delta into 27 bits. + */ +static inline int test_time_stamp(u64 delta) +{ + if (delta & TS_DELTA_TEST) + return 1; + return 0; +} + +#define BUF_PAGE_SIZE PAGE_SIZE + +/* + * head_page == tail_page && head == tail then buffer is empty. + */ +struct ring_buffer_per_cpu { + int cpu; + struct ring_buffer *buffer; + spinlock_t lock; + struct lock_class_key lock_key; + struct list_head pages; + unsigned long head; /* read from head */ + unsigned long tail; /* write to tail */ + struct buffer_page *head_page; + struct buffer_page *tail_page; + unsigned long overrun; + unsigned long entries; + u64 write_stamp; + u64 read_stamp; + atomic_t record_disabled; +}; + +struct ring_buffer { + unsigned long size; + unsigned pages; + unsigned flags; + int cpus; + cpumask_t cpumask; + atomic_t record_disabled; + + struct mutex mutex; + + struct ring_buffer_per_cpu **buffers; +}; + +struct ring_buffer_iter { + struct ring_buffer_per_cpu *cpu_buffer; + unsigned long head; + struct buffer_page *head_page; + u64 read_stamp; +}; + +#define RB_WARN_ON(buffer, cond) \ + if (unlikely(cond)) { \ + atomic_inc(&buffer->record_disabled); \ + WARN_ON(1); \ + return -1; \ + } + +/** + * check_pages - integrity check of buffer pages + * @cpu_buffer: CPU buffer with pages to test + * + * As a safty measure we check to make sure the data pages have not + * been corrupted. + */ +static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct list_head *head = &cpu_buffer->pages; + struct buffer_page *page, *tmp; + + RB_WARN_ON(cpu_buffer, head->next->prev != head); + RB_WARN_ON(cpu_buffer, head->prev->next != head); + + list_for_each_entry_safe(page, tmp, head, list) { + RB_WARN_ON(cpu_buffer, page->list.next->prev != &page->list); + RB_WARN_ON(cpu_buffer, page->list.prev->next != &page->list); + } + + return 0; +} + +static unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer) +{ + return cpu_buffer->head_page->size; +} + +static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, + unsigned nr_pages) +{ + struct list_head *head = &cpu_buffer->pages; + struct buffer_page *page, *tmp; + unsigned long addr; + LIST_HEAD(pages); + unsigned i; + + for (i = 0; i < nr_pages; i++) { + addr = __get_free_page(GFP_KERNEL); + if (!addr) + goto free_pages; + page = (struct buffer_page *)virt_to_page(addr); + list_add(&page->list, &pages); + } + + list_splice(&pages, head); + + rb_check_pages(cpu_buffer); + + return 0; + + free_pages: + list_for_each_entry_safe(page, tmp, &pages, list) { + list_del_init(&page->list); + __free_page(&page->page); + } + return -ENOMEM; +} + +static struct ring_buffer_per_cpu * +rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + int ret; + + cpu_buffer = kzalloc_node(ALIGN(sizeof(*cpu_buffer), cache_line_size()), + GFP_KERNEL, cpu_to_node(cpu)); + if (!cpu_buffer) + return NULL; + + cpu_buffer->cpu = cpu; + cpu_buffer->buffer = buffer; + spin_lock_init(&cpu_buffer->lock); + INIT_LIST_HEAD(&cpu_buffer->pages); + + ret = rb_allocate_pages(cpu_buffer, buffer->pages); + if (ret < 0) + goto fail_free_buffer; + + cpu_buffer->head_page + = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + cpu_buffer->tail_page + = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + + return cpu_buffer; + + fail_free_buffer: + kfree(cpu_buffer); + return NULL; +} + +static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct list_head *head = &cpu_buffer->pages; + struct buffer_page *page, *tmp; + + list_for_each_entry_safe(page, tmp, head, list) { + list_del_init(&page->list); + __free_page(&page->page); + } + kfree(cpu_buffer); +} + +/** + * ring_buffer_alloc - allocate a new ring_buffer + * @size: the size in bytes that is needed. + * @flags: attributes to set for the ring buffer. + * + * Currently the only flag that is available is the RB_FL_OVERWRITE + * flag. This flag means that the buffer will overwrite old data + * when the buffer wraps. If this flag is not set, the buffer will + * drop data when the tail hits the head. + */ +struct ring_buffer *ring_buffer_alloc(unsigned long size, unsigned flags) +{ + struct ring_buffer *buffer; + int bsize; + int cpu; + + /* keep it in its own cache line */ + buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()), + GFP_KERNEL); + if (!buffer) + return NULL; + + buffer->pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE); + buffer->flags = flags; + + /* need at least two pages */ + if (buffer->pages == 1) + buffer->pages++; + + buffer->cpumask = cpu_possible_map; + buffer->cpus = nr_cpu_ids; + + bsize = sizeof(void *) * nr_cpu_ids; + buffer->buffers = kzalloc(ALIGN(bsize, cache_line_size()), + GFP_KERNEL); + if (!buffer->buffers) + goto fail_free_buffer; + + for_each_buffer_cpu(buffer, cpu) { + buffer->buffers[cpu] = + rb_allocate_cpu_buffer(buffer, cpu); + if (!buffer->buffers[cpu]) + goto fail_free_buffers; + } + + mutex_init(&buffer->mutex); + + return buffer; + + fail_free_buffers: + for_each_buffer_cpu(buffer, cpu) { + if (buffer->buffers[cpu]) + rb_free_cpu_buffer(buffer->buffers[cpu]); + } + kfree(buffer->buffers); + + fail_free_buffer: + kfree(buffer); + return NULL; +} + +/** + * ring_buffer_free - free a ring buffer. + * @buffer: the buffer to free. + */ +void +ring_buffer_free(struct ring_buffer *buffer) +{ + int cpu; + + for_each_buffer_cpu(buffer, cpu) + rb_free_cpu_buffer(buffer->buffers[cpu]); + + kfree(buffer); +} + +static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); + +static void +rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) +{ + struct buffer_page *page; + struct list_head *p; + unsigned i; + + atomic_inc(&cpu_buffer->record_disabled); + synchronize_sched(); + + for (i = 0; i < nr_pages; i++) { + BUG_ON(list_empty(&cpu_buffer->pages)); + p = cpu_buffer->pages.next; + page = list_entry(p, struct buffer_page, list); + list_del_init(&page->list); + __free_page(&page->page); + } + BUG_ON(list_empty(&cpu_buffer->pages)); + + rb_reset_cpu(cpu_buffer); + + rb_check_pages(cpu_buffer); + + atomic_dec(&cpu_buffer->record_disabled); + +} + +static void +rb_insert_pages(struct ring_buffer_per_cpu *cpu_buffer, + struct list_head *pages, unsigned nr_pages) +{ + struct buffer_page *page; + struct list_head *p; + unsigned i; + + atomic_inc(&cpu_buffer->record_disabled); + synchronize_sched(); + + for (i = 0; i < nr_pages; i++) { + BUG_ON(list_empty(pages)); + p = pages->next; + page = list_entry(p, struct buffer_page, list); + list_del_init(&page->list); + list_add_tail(&page->list, &cpu_buffer->pages); + } + rb_reset_cpu(cpu_buffer); + + rb_check_pages(cpu_buffer); + + atomic_dec(&cpu_buffer->record_disabled); +} + +/** + * ring_buffer_resize - resize the ring buffer + * @buffer: the buffer to resize. + * @size: the new size. + * + * The tracer is responsible for making sure that the buffer is + * not being used while changing the size. + * Note: We may be able to change the above requirement by using + * RCU synchronizations. + * + * Minimum size is 2 * BUF_PAGE_SIZE. + * + * Returns -1 on failure. + */ +int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) +{ + struct ring_buffer_per_cpu *cpu_buffer; + unsigned nr_pages, rm_pages, new_pages; + struct buffer_page *page, *tmp; + unsigned long buffer_size; + unsigned long addr; + LIST_HEAD(pages); + int i, cpu; + + size = DIV_ROUND_UP(size, BUF_PAGE_SIZE); + size *= BUF_PAGE_SIZE; + buffer_size = buffer->pages * BUF_PAGE_SIZE; + + /* we need a minimum of two pages */ + if (size < BUF_PAGE_SIZE * 2) + size = BUF_PAGE_SIZE * 2; + + if (size == buffer_size) + return size; + + mutex_lock(&buffer->mutex); + + nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE); + + if (size < buffer_size) { + + /* easy case, just free pages */ + BUG_ON(nr_pages >= buffer->pages); + + rm_pages = buffer->pages - nr_pages; + + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + rb_remove_pages(cpu_buffer, rm_pages); + } + goto out; + } + + /* + * This is a bit more difficult. We only want to add pages + * when we can allocate enough for all CPUs. We do this + * by allocating all the pages and storing them on a local + * link list. If we succeed in our allocation, then we + * add these pages to the cpu_buffers. Otherwise we just free + * them all and return -ENOMEM; + */ + BUG_ON(nr_pages <= buffer->pages); + new_pages = nr_pages - buffer->pages; + + for_each_buffer_cpu(buffer, cpu) { + for (i = 0; i < new_pages; i++) { + addr = __get_free_page(GFP_KERNEL); + if (!addr) + goto free_pages; + page = (struct buffer_page *)virt_to_page(addr); + list_add(&page->list, &pages); + } + } + + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + rb_insert_pages(cpu_buffer, &pages, new_pages); + } + + BUG_ON(!list_empty(&pages)); + + out: + buffer->pages = nr_pages; + mutex_unlock(&buffer->mutex); + + return size; + + free_pages: + list_for_each_entry_safe(page, tmp, &pages, list) { + list_del_init(&page->list); + __free_page(&page->page); + } + return -ENOMEM; +} + +static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) +{ + return cpu_buffer->head_page == cpu_buffer->tail_page && + cpu_buffer->head == cpu_buffer->tail; +} + +static inline int rb_null_event(struct ring_buffer_event *event) +{ + return event->type == RINGBUF_TYPE_PADDING; +} + +static inline void *rb_page_index(struct buffer_page *page, unsigned index) +{ + void *addr = page_address(&page->page); + + return addr + index; +} + +static inline struct ring_buffer_event * +rb_head_event(struct ring_buffer_per_cpu *cpu_buffer) +{ + return rb_page_index(cpu_buffer->head_page, + cpu_buffer->head); +} + +static inline struct ring_buffer_event * +rb_iter_head_event(struct ring_buffer_iter *iter) +{ + return rb_page_index(iter->head_page, + iter->head); +} + +/* + * When the tail hits the head and the buffer is in overwrite mode, + * the head jumps to the next page and all content on the previous + * page is discarded. But before doing so, we update the overrun + * variable of the buffer. + */ +static void rb_update_overflow(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct ring_buffer_event *event; + unsigned long head; + + for (head = 0; head < rb_head_size(cpu_buffer); + head += rb_event_length(event)) { + + event = rb_page_index(cpu_buffer->head_page, head); + BUG_ON(rb_null_event(event)); + /* Only count data entries */ + if (event->type != RINGBUF_TYPE_DATA) + continue; + cpu_buffer->overrun++; + cpu_buffer->entries--; + } +} + +static inline void rb_inc_page(struct ring_buffer_per_cpu *cpu_buffer, + struct buffer_page **page) +{ + struct list_head *p = (*page)->list.next; + + if (p == &cpu_buffer->pages) + p = p->next; + + *page = list_entry(p, struct buffer_page, list); +} + +static inline void +rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts) +{ + cpu_buffer->tail_page->time_stamp = *ts; + cpu_buffer->write_stamp = *ts; +} + +static void rb_reset_read_page(struct ring_buffer_per_cpu *cpu_buffer) +{ + cpu_buffer->read_stamp = cpu_buffer->head_page->time_stamp; + cpu_buffer->head = 0; +} + +static void +rb_reset_iter_read_page(struct ring_buffer_iter *iter) +{ + iter->read_stamp = iter->head_page->time_stamp; + iter->head = 0; +} + +/** + * ring_buffer_update_event - update event type and data + * @event: the even to update + * @type: the type of event + * @length: the size of the event field in the ring buffer + * + * Update the type and data fields of the event. The length + * is the actual size that is written to the ring buffer, + * and with this, we can determine what to place into the + * data field. + */ +static inline void +rb_update_event(struct ring_buffer_event *event, + unsigned type, unsigned length) +{ + event->type = type; + + switch (type) { + + case RINGBUF_TYPE_PADDING: + break; + + case RINGBUF_TYPE_TIME_EXTEND: + event->len = + (RB_LEN_TIME_EXTEND + (RB_ALIGNMENT-1)) + >> RB_ALIGNMENT_SHIFT; + break; + + case RINGBUF_TYPE_TIME_STAMP: + event->len = + (RB_LEN_TIME_STAMP + (RB_ALIGNMENT-1)) + >> RB_ALIGNMENT_SHIFT; + break; + + case RINGBUF_TYPE_DATA: + length -= RB_EVNT_HDR_SIZE; + if (length > RB_MAX_SMALL_DATA) { + event->len = 0; + event->array[0] = length; + } else + event->len = + (length + (RB_ALIGNMENT-1)) + >> RB_ALIGNMENT_SHIFT; + break; + default: + BUG(); + } +} + +static inline unsigned rb_calculate_event_length(unsigned length) +{ + struct ring_buffer_event event; /* Used only for sizeof array */ + + /* zero length can cause confusions */ + if (!length) + length = 1; + + if (length > RB_MAX_SMALL_DATA) + length += sizeof(event.array[0]); + + length += RB_EVNT_HDR_SIZE; + length = ALIGN(length, RB_ALIGNMENT); + + return length; +} + +static struct ring_buffer_event * +__rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, + unsigned type, unsigned long length, u64 *ts) +{ + struct buffer_page *head_page, *tail_page; + unsigned long tail; + struct ring_buffer *buffer = cpu_buffer->buffer; + struct ring_buffer_event *event; + + tail_page = cpu_buffer->tail_page; + head_page = cpu_buffer->head_page; + tail = cpu_buffer->tail; + + if (tail + length > BUF_PAGE_SIZE) { + struct buffer_page *next_page = tail_page; + + rb_inc_page(cpu_buffer, &next_page); + + if (next_page == head_page) { + if (!(buffer->flags & RB_FL_OVERWRITE)) + return NULL; + + /* count overflows */ + rb_update_overflow(cpu_buffer); + + rb_inc_page(cpu_buffer, &head_page); + cpu_buffer->head_page = head_page; + rb_reset_read_page(cpu_buffer); + } + + if (tail != BUF_PAGE_SIZE) { + event = rb_page_index(tail_page, tail); + /* page padding */ + event->type = RINGBUF_TYPE_PADDING; + } + + tail_page->size = tail; + tail_page = next_page; + tail_page->size = 0; + tail = 0; + cpu_buffer->tail_page = tail_page; + cpu_buffer->tail = tail; + rb_add_stamp(cpu_buffer, ts); + } + + BUG_ON(tail + length > BUF_PAGE_SIZE); + + event = rb_page_index(tail_page, tail); + rb_update_event(event, type, length); + + return event; +} + +static int +rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, + u64 *ts, u64 *delta) +{ + struct ring_buffer_event *event; + static int once; + + if (unlikely(*delta > (1ULL << 59) && !once++)) { + printk(KERN_WARNING "Delta way too big! %llu" + " ts=%llu write stamp = %llu\n", + *delta, *ts, cpu_buffer->write_stamp); + WARN_ON(1); + } + + /* + * The delta is too big, we to add a + * new timestamp. + */ + event = __rb_reserve_next(cpu_buffer, + RINGBUF_TYPE_TIME_EXTEND, + RB_LEN_TIME_EXTEND, + ts); + if (!event) + return -1; + + /* check to see if we went to the next page */ + if (cpu_buffer->tail) { + /* Still on same page, update timestamp */ + event->time_delta = *delta & TS_MASK; + event->array[0] = *delta >> TS_SHIFT; + /* commit the time event */ + cpu_buffer->tail += + rb_event_length(event); + cpu_buffer->write_stamp = *ts; + *delta = 0; + } + + return 0; +} + +static struct ring_buffer_event * +rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, + unsigned type, unsigned long length) +{ + struct ring_buffer_event *event; + u64 ts, delta; + + ts = ring_buffer_time_stamp(cpu_buffer->cpu); + + if (cpu_buffer->tail) { + delta = ts - cpu_buffer->write_stamp; + + if (test_time_stamp(delta)) { + int ret; + + ret = rb_add_time_stamp(cpu_buffer, &ts, &delta); + if (ret < 0) + return NULL; + } + } else { + rb_add_stamp(cpu_buffer, &ts); + delta = 0; + } + + event = __rb_reserve_next(cpu_buffer, type, length, &ts); + if (!event) + return NULL; + + /* If the reserve went to the next page, our delta is zero */ + if (!cpu_buffer->tail) + delta = 0; + + event->time_delta = delta; + + return event; +} + +/** + * ring_buffer_lock_reserve - reserve a part of the buffer + * @buffer: the ring buffer to reserve from + * @length: the length of the data to reserve (excluding event header) + * @flags: a pointer to save the interrupt flags + * + * Returns a reseverd event on the ring buffer to copy directly to. + * The user of this interface will need to get the body to write into + * and can use the ring_buffer_event_data() interface. + * + * The length is the length of the data needed, not the event length + * which also includes the event header. + * + * Must be paired with ring_buffer_unlock_commit, unless NULL is returned. + * If NULL is returned, then nothing has been allocated or locked. + */ +struct ring_buffer_event * +ring_buffer_lock_reserve(struct ring_buffer *buffer, + unsigned long length, + unsigned long *flags) +{ + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + int cpu; + + if (atomic_read(&buffer->record_disabled)) + return NULL; + + raw_local_irq_save(*flags); + cpu = raw_smp_processor_id(); + + if (!cpu_isset(cpu, buffer->cpumask)) + goto out_irq; + + cpu_buffer = buffer->buffers[cpu]; + spin_lock(&cpu_buffer->lock); + + if (atomic_read(&cpu_buffer->record_disabled)) + goto no_record; + + length = rb_calculate_event_length(length); + if (length > BUF_PAGE_SIZE) + return NULL; + + event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length); + if (!event) + goto no_record; + + return event; + + no_record: + spin_unlock(&cpu_buffer->lock); + out_irq: + local_irq_restore(*flags); + return NULL; +} + +static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer, + struct ring_buffer_event *event) +{ + cpu_buffer->tail += rb_event_length(event); + cpu_buffer->tail_page->size = cpu_buffer->tail; + cpu_buffer->write_stamp += event->time_delta; + cpu_buffer->entries++; +} + +/** + * ring_buffer_unlock_commit - commit a reserved + * @buffer: The buffer to commit to + * @event: The event pointer to commit. + * @flags: the interrupt flags received from ring_buffer_lock_reserve. + * + * This commits the data to the ring buffer, and releases any locks held. + * + * Must be paired with ring_buffer_lock_reserve. + */ +int ring_buffer_unlock_commit(struct ring_buffer *buffer, + struct ring_buffer_event *event, + unsigned long flags) +{ + struct ring_buffer_per_cpu *cpu_buffer; + int cpu = raw_smp_processor_id(); + + cpu_buffer = buffer->buffers[cpu]; + + assert_spin_locked(&cpu_buffer->lock); + + rb_commit(cpu_buffer, event); + + spin_unlock(&cpu_buffer->lock); + raw_local_irq_restore(flags); + + return 0; +} + +/** + * ring_buffer_write - write data to the buffer without reserving + * @buffer: The ring buffer to write to. + * @length: The length of the data being written (excluding the event header) + * @data: The data to write to the buffer. + * + * This is like ring_buffer_lock_reserve and ring_buffer_unlock_commit as + * one function. If you already have the data to write to the buffer, it + * may be easier to simply call this function. + * + * Note, like ring_buffer_lock_reserve, the length is the length of the data + * and not the length of the event which would hold the header. + */ +int ring_buffer_write(struct ring_buffer *buffer, + unsigned long length, + void *data) +{ + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + unsigned long event_length, flags; + void *body; + int ret = -EBUSY; + int cpu; + + if (atomic_read(&buffer->record_disabled)) + return -EBUSY; + + local_irq_save(flags); + cpu = raw_smp_processor_id(); + + if (!cpu_isset(cpu, buffer->cpumask)) + goto out_irq; + + cpu_buffer = buffer->buffers[cpu]; + spin_lock(&cpu_buffer->lock); + + if (atomic_read(&cpu_buffer->record_disabled)) + goto out; + + event_length = rb_calculate_event_length(length); + event = rb_reserve_next_event(cpu_buffer, + RINGBUF_TYPE_DATA, event_length); + if (!event) + goto out; + + body = rb_event_data(event); + + memcpy(body, data, length); + + rb_commit(cpu_buffer, event); + + ret = 0; + out: + spin_unlock(&cpu_buffer->lock); + out_irq: + local_irq_restore(flags); + + return ret; +} + +/** + * ring_buffer_lock - lock the ring buffer + * @buffer: The ring buffer to lock + * @flags: The place to store the interrupt flags + * + * This locks all the per CPU buffers. + * + * Must be unlocked by ring_buffer_unlock. + */ +void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags) +{ + struct ring_buffer_per_cpu *cpu_buffer; + int cpu; + + local_irq_save(*flags); + + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + spin_lock(&cpu_buffer->lock); + } +} + +/** + * ring_buffer_unlock - unlock a locked buffer + * @buffer: The locked buffer to unlock + * @flags: The interrupt flags received by ring_buffer_lock + */ +void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags) +{ + struct ring_buffer_per_cpu *cpu_buffer; + int cpu; + + for (cpu = buffer->cpus - 1; cpu >= 0; cpu--) { + if (!cpu_isset(cpu, buffer->cpumask)) + continue; + cpu_buffer = buffer->buffers[cpu]; + spin_unlock(&cpu_buffer->lock); + } + + local_irq_restore(flags); +} + +/** + * ring_buffer_record_disable - stop all writes into the buffer + * @buffer: The ring buffer to stop writes to. + * + * This prevents all writes to the buffer. Any attempt to write + * to the buffer after this will fail and return NULL. + * + * The caller should call synchronize_sched() after this. + */ +void ring_buffer_record_disable(struct ring_buffer *buffer) +{ + atomic_inc(&buffer->record_disabled); +} + +/** + * ring_buffer_record_enable - enable writes to the buffer + * @buffer: The ring buffer to enable writes + * + * Note, multiple disables will need the same number of enables + * to truely enable the writing (much like preempt_disable). + */ +void ring_buffer_record_enable(struct ring_buffer *buffer) +{ + atomic_dec(&buffer->record_disabled); +} + +/** + * ring_buffer_record_disable_cpu - stop all writes into the cpu_buffer + * @buffer: The ring buffer to stop writes to. + * @cpu: The CPU buffer to stop + * + * This prevents all writes to the buffer. Any attempt to write + * to the buffer after this will fail and return NULL. + * + * The caller should call synchronize_sched() after this. + */ +void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + if (!cpu_isset(cpu, buffer->cpumask)) + return; + + cpu_buffer = buffer->buffers[cpu]; + atomic_inc(&cpu_buffer->record_disabled); +} + +/** + * ring_buffer_record_enable_cpu - enable writes to the buffer + * @buffer: The ring buffer to enable writes + * @cpu: The CPU to enable. + * + * Note, multiple disables will need the same number of enables + * to truely enable the writing (much like preempt_disable). + */ +void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + if (!cpu_isset(cpu, buffer->cpumask)) + return; + + cpu_buffer = buffer->buffers[cpu]; + atomic_dec(&cpu_buffer->record_disabled); +} + +/** + * ring_buffer_entries_cpu - get the number of entries in a cpu buffer + * @buffer: The ring buffer + * @cpu: The per CPU buffer to get the entries from. + */ +unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + if (!cpu_isset(cpu, buffer->cpumask)) + return 0; + + cpu_buffer = buffer->buffers[cpu]; + return cpu_buffer->entries; +} + +/** + * ring_buffer_overrun_cpu - get the number of overruns in a cpu_buffer + * @buffer: The ring buffer + * @cpu: The per CPU buffer to get the number of overruns from + */ +unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + if (!cpu_isset(cpu, buffer->cpumask)) + return 0; + + cpu_buffer = buffer->buffers[cpu]; + return cpu_buffer->overrun; +} + +/** + * ring_buffer_entries - get the number of entries in a buffer + * @buffer: The ring buffer + * + * Returns the total number of entries in the ring buffer + * (all CPU entries) + */ +unsigned long ring_buffer_entries(struct ring_buffer *buffer) +{ + struct ring_buffer_per_cpu *cpu_buffer; + unsigned long entries = 0; + int cpu; + + /* if you care about this being correct, lock the buffer */ + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + entries += cpu_buffer->entries; + } + + return entries; +} + +/** + * ring_buffer_overrun_cpu - get the number of overruns in buffer + * @buffer: The ring buffer + * + * Returns the total number of overruns in the ring buffer + * (all CPU entries) + */ +unsigned long ring_buffer_overruns(struct ring_buffer *buffer) +{ + struct ring_buffer_per_cpu *cpu_buffer; + unsigned long overruns = 0; + int cpu; + + /* if you care about this being correct, lock the buffer */ + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + overruns += cpu_buffer->overrun; + } + + return overruns; +} + +/** + * ring_buffer_iter_reset - reset an iterator + * @iter: The iterator to reset + * + * Resets the iterator, so that it will start from the beginning + * again. + */ +void ring_buffer_iter_reset(struct ring_buffer_iter *iter) +{ + struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; + + iter->head_page = cpu_buffer->head_page; + iter->head = cpu_buffer->head; + rb_reset_iter_read_page(iter); +} + +/** + * ring_buffer_iter_empty - check if an iterator has no more to read + * @iter: The iterator to check + */ +int ring_buffer_iter_empty(struct ring_buffer_iter *iter) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + cpu_buffer = iter->cpu_buffer; + + return iter->head_page == cpu_buffer->tail_page && + iter->head == cpu_buffer->tail; +} + +static void +rb_update_read_stamp(struct ring_buffer_per_cpu *cpu_buffer, + struct ring_buffer_event *event) +{ + u64 delta; + + switch (event->type) { + case RINGBUF_TYPE_PADDING: + return; + + case RINGBUF_TYPE_TIME_EXTEND: + delta = event->array[0]; + delta <<= TS_SHIFT; + delta += event->time_delta; + cpu_buffer->read_stamp += delta; + return; + + case RINGBUF_TYPE_TIME_STAMP: + /* FIXME: not implemented */ + return; + + case RINGBUF_TYPE_DATA: + cpu_buffer->read_stamp += event->time_delta; + return; + + default: + BUG(); + } + return; +} + +static void +rb_update_iter_read_stamp(struct ring_buffer_iter *iter, + struct ring_buffer_event *event) +{ + u64 delta; + + switch (event->type) { + case RINGBUF_TYPE_PADDING: + return; + + case RINGBUF_TYPE_TIME_EXTEND: + delta = event->array[0]; + delta <<= TS_SHIFT; + delta += event->time_delta; + iter->read_stamp += delta; + return; + + case RINGBUF_TYPE_TIME_STAMP: + /* FIXME: not implemented */ + return; + + case RINGBUF_TYPE_DATA: + iter->read_stamp += event->time_delta; + return; + + default: + BUG(); + } + return; +} + +static void rb_advance_head(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct ring_buffer_event *event; + unsigned length; + + /* + * Check if we are at the end of the buffer. + */ + if (cpu_buffer->head >= cpu_buffer->head_page->size) { + BUG_ON(cpu_buffer->head_page == cpu_buffer->tail_page); + rb_inc_page(cpu_buffer, &cpu_buffer->head_page); + rb_reset_read_page(cpu_buffer); + return; + } + + event = rb_head_event(cpu_buffer); + + if (event->type == RINGBUF_TYPE_DATA) + cpu_buffer->entries--; + + length = rb_event_length(event); + + /* + * This should not be called to advance the header if we are + * at the tail of the buffer. + */ + BUG_ON((cpu_buffer->head_page == cpu_buffer->tail_page) && + (cpu_buffer->head + length > cpu_buffer->tail)); + + rb_update_read_stamp(cpu_buffer, event); + + cpu_buffer->head += length; + + /* check for end of page */ + if ((cpu_buffer->head >= cpu_buffer->head_page->size) && + (cpu_buffer->head_page != cpu_buffer->tail_page)) + rb_advance_head(cpu_buffer); +} + +static void rb_advance_iter(struct ring_buffer_iter *iter) +{ + struct ring_buffer *buffer; + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + unsigned length; + + cpu_buffer = iter->cpu_buffer; + buffer = cpu_buffer->buffer; + + /* + * Check if we are at the end of the buffer. + */ + if (iter->head >= iter->head_page->size) { + BUG_ON(iter->head_page == cpu_buffer->tail_page); + rb_inc_page(cpu_buffer, &iter->head_page); + rb_reset_iter_read_page(iter); + return; + } + + event = rb_iter_head_event(iter); + + length = rb_event_length(event); + + /* + * This should not be called to advance the header if we are + * at the tail of the buffer. + */ + BUG_ON((iter->head_page == cpu_buffer->tail_page) && + (iter->head + length > cpu_buffer->tail)); + + rb_update_iter_read_stamp(iter, event); + + iter->head += length; + + /* check for end of page padding */ + if ((iter->head >= iter->head_page->size) && + (iter->head_page != cpu_buffer->tail_page)) + rb_advance_iter(iter); +} + +/** + * ring_buffer_peek - peek at the next event to be read + * @buffer: The ring buffer to read + * @cpu: The cpu to peak at + * @ts: The timestamp counter of this event. + * + * This will return the event that will be read next, but does + * not consume the data. + */ +struct ring_buffer_event * +ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts) +{ + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + + if (!cpu_isset(cpu, buffer->cpumask)) + return NULL; + + cpu_buffer = buffer->buffers[cpu]; + + again: + if (rb_per_cpu_empty(cpu_buffer)) + return NULL; + + event = rb_head_event(cpu_buffer); + + switch (event->type) { + case RINGBUF_TYPE_PADDING: + rb_inc_page(cpu_buffer, &cpu_buffer->head_page); + rb_reset_read_page(cpu_buffer); + goto again; + + case RINGBUF_TYPE_TIME_EXTEND: + /* Internal data, OK to advance */ + rb_advance_head(cpu_buffer); + goto again; + + case RINGBUF_TYPE_TIME_STAMP: + /* FIXME: not implemented */ + rb_advance_head(cpu_buffer); + goto again; + + case RINGBUF_TYPE_DATA: + if (ts) { + *ts = cpu_buffer->read_stamp + event->time_delta; + ring_buffer_normalize_time_stamp(cpu_buffer->cpu, ts); + } + return event; + + default: + BUG(); + } + + return NULL; +} + +/** + * ring_buffer_iter_peek - peek at the next event to be read + * @iter: The ring buffer iterator + * @ts: The timestamp counter of this event. + * + * This will return the event that will be read next, but does + * not increment the iterator. + */ +struct ring_buffer_event * +ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts) +{ + struct ring_buffer *buffer; + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + + if (ring_buffer_iter_empty(iter)) + return NULL; + + cpu_buffer = iter->cpu_buffer; + buffer = cpu_buffer->buffer; + + again: + if (rb_per_cpu_empty(cpu_buffer)) + return NULL; + + event = rb_iter_head_event(iter); + + switch (event->type) { + case RINGBUF_TYPE_PADDING: + rb_inc_page(cpu_buffer, &iter->head_page); + rb_reset_iter_read_page(iter); + goto again; + + case RINGBUF_TYPE_TIME_EXTEND: + /* Internal data, OK to advance */ + rb_advance_iter(iter); + goto again; + + case RINGBUF_TYPE_TIME_STAMP: + /* FIXME: not implemented */ + rb_advance_iter(iter); + goto again; + + case RINGBUF_TYPE_DATA: + if (ts) { + *ts = iter->read_stamp + event->time_delta; + ring_buffer_normalize_time_stamp(cpu_buffer->cpu, ts); + } + return event; + + default: + BUG(); + } + + return NULL; +} + +/** + * ring_buffer_consume - return an event and consume it + * @buffer: The ring buffer to get the next event from + * + * Returns the next event in the ring buffer, and that event is consumed. + * Meaning, that sequential reads will keep returning a different event, + * and eventually empty the ring buffer if the producer is slower. + */ +struct ring_buffer_event * +ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts) +{ + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_event *event; + + if (!cpu_isset(cpu, buffer->cpumask)) + return NULL; + + event = ring_buffer_peek(buffer, cpu, ts); + if (!event) + return NULL; + + cpu_buffer = buffer->buffers[cpu]; + rb_advance_head(cpu_buffer); + + return event; +} + +/** + * ring_buffer_read_start - start a non consuming read of the buffer + * @buffer: The ring buffer to read from + * @cpu: The cpu buffer to iterate over + * + * This starts up an iteration through the buffer. It also disables + * the recording to the buffer until the reading is finished. + * This prevents the reading from being corrupted. This is not + * a consuming read, so a producer is not expected. + * + * Must be paired with ring_buffer_finish. + */ +struct ring_buffer_iter * +ring_buffer_read_start(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + struct ring_buffer_iter *iter; + + if (!cpu_isset(cpu, buffer->cpumask)) + return NULL; + + iter = kmalloc(sizeof(*iter), GFP_KERNEL); + if (!iter) + return NULL; + + cpu_buffer = buffer->buffers[cpu]; + + iter->cpu_buffer = cpu_buffer; + + atomic_inc(&cpu_buffer->record_disabled); + synchronize_sched(); + + spin_lock(&cpu_buffer->lock); + iter->head = cpu_buffer->head; + iter->head_page = cpu_buffer->head_page; + rb_reset_iter_read_page(iter); + spin_unlock(&cpu_buffer->lock); + + return iter; +} + +/** + * ring_buffer_finish - finish reading the iterator of the buffer + * @iter: The iterator retrieved by ring_buffer_start + * + * This re-enables the recording to the buffer, and frees the + * iterator. + */ +void +ring_buffer_read_finish(struct ring_buffer_iter *iter) +{ + struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; + + atomic_dec(&cpu_buffer->record_disabled); + kfree(iter); +} + +/** + * ring_buffer_read - read the next item in the ring buffer by the iterator + * @iter: The ring buffer iterator + * @ts: The time stamp of the event read. + * + * This reads the next event in the ring buffer and increments the iterator. + */ +struct ring_buffer_event * +ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts) +{ + struct ring_buffer_event *event; + + event = ring_buffer_iter_peek(iter, ts); + if (!event) + return NULL; + + rb_advance_iter(iter); + + return event; +} + +/** + * ring_buffer_size - return the size of the ring buffer (in bytes) + * @buffer: The ring buffer. + */ +unsigned long ring_buffer_size(struct ring_buffer *buffer) +{ + return BUF_PAGE_SIZE * buffer->pages; +} + +static void +rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) +{ + cpu_buffer->head_page + = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + cpu_buffer->tail_page + = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + + cpu_buffer->head = cpu_buffer->tail = 0; + cpu_buffer->overrun = 0; + cpu_buffer->entries = 0; +} + +/** + * ring_buffer_reset_cpu - reset a ring buffer per CPU buffer + * @buffer: The ring buffer to reset a per cpu buffer of + * @cpu: The CPU buffer to be reset + */ +void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer = buffer->buffers[cpu]; + unsigned long flags; + + if (!cpu_isset(cpu, buffer->cpumask)) + return; + + raw_local_irq_save(flags); + spin_lock(&cpu_buffer->lock); + + rb_reset_cpu(cpu_buffer); + + spin_unlock(&cpu_buffer->lock); + raw_local_irq_restore(flags); +} + +/** + * ring_buffer_reset - reset a ring buffer + * @buffer: The ring buffer to reset all cpu buffers + */ +void ring_buffer_reset(struct ring_buffer *buffer) +{ + unsigned long flags; + int cpu; + + ring_buffer_lock(buffer, &flags); + + for_each_buffer_cpu(buffer, cpu) + rb_reset_cpu(buffer->buffers[cpu]); + + ring_buffer_unlock(buffer, flags); +} + +/** + * rind_buffer_empty - is the ring buffer empty? + * @buffer: The ring buffer to test + */ +int ring_buffer_empty(struct ring_buffer *buffer) +{ + struct ring_buffer_per_cpu *cpu_buffer; + int cpu; + + /* yes this is racy, but if you don't like the race, lock the buffer */ + for_each_buffer_cpu(buffer, cpu) { + cpu_buffer = buffer->buffers[cpu]; + if (!rb_per_cpu_empty(cpu_buffer)) + return 0; + } + return 1; +} + +/** + * ring_buffer_empty_cpu - is a cpu buffer of a ring buffer empty? + * @buffer: The ring buffer + * @cpu: The CPU buffer to test + */ +int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer; + + if (!cpu_isset(cpu, buffer->cpumask)) + return 1; + + cpu_buffer = buffer->buffers[cpu]; + return rb_per_cpu_empty(cpu_buffer); +} + +/** + * ring_buffer_swap_cpu - swap a CPU buffer between two ring buffers + * @buffer_a: One buffer to swap with + * @buffer_b: The other buffer to swap with + * + * This function is useful for tracers that want to take a "snapshot" + * of a CPU buffer and has another back up buffer lying around. + * it is expected that the tracer handles the cpu buffer not being + * used at the moment. + */ +int ring_buffer_swap_cpu(struct ring_buffer *buffer_a, + struct ring_buffer *buffer_b, int cpu) +{ + struct ring_buffer_per_cpu *cpu_buffer_a; + struct ring_buffer_per_cpu *cpu_buffer_b; + + if (!cpu_isset(cpu, buffer_a->cpumask) || + !cpu_isset(cpu, buffer_b->cpumask)) + return -EINVAL; + + /* At least make sure the two buffers are somewhat the same */ + if (buffer_a->size != buffer_b->size || + buffer_a->pages != buffer_b->pages) + return -EINVAL; + + cpu_buffer_a = buffer_a->buffers[cpu]; + cpu_buffer_b = buffer_b->buffers[cpu]; + + /* + * We can't do a synchronize_sched here because this + * function can be called in atomic context. + * Normally this will be called from the same CPU as cpu. + * If not it's up to the caller to protect this. + */ + atomic_inc(&cpu_buffer_a->record_disabled); + atomic_inc(&cpu_buffer_b->record_disabled); + + buffer_a->buffers[cpu] = cpu_buffer_b; + buffer_b->buffers[cpu] = cpu_buffer_a; + + cpu_buffer_b->buffer = buffer_a; + cpu_buffer_a->buffer = buffer_b; + + atomic_dec(&cpu_buffer_a->record_disabled); + atomic_dec(&cpu_buffer_b->record_disabled); + + return 0; +} + -- GitLab From a7b1374333407f409cf8df7e623b12490f073c84 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:39 -0400 Subject: [PATCH 4661/6244] ring_buffer: add paranoid check for buffer page If for some strange reason the buffer_page gets bigger, or the page struct gets smaller, I want to know this ASAP. The best way is to not let the kernel compile. This patch adds code to test the size of the struct buffer_page against the page struct and will cause compile issues if the buffer_page ever gets bigger than the page struct. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 830a2930dd91..95ca9338cb6c 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -289,6 +289,12 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) kfree(cpu_buffer); } +/* + * Causes compile errors if the struct buffer_page gets bigger + * than the struct page. + */ +extern int ring_buffer_page_too_big(void); + /** * ring_buffer_alloc - allocate a new ring_buffer * @size: the size in bytes that is needed. @@ -305,6 +311,11 @@ struct ring_buffer *ring_buffer_alloc(unsigned long size, unsigned flags) int bsize; int cpu; + /* Paranoid! Optimizes out when all is well */ + if (sizeof(struct buffer_page) > sizeof(struct page)) + ring_buffer_page_too_big(); + + /* keep it in its own cache line */ buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()), GFP_KERNEL); -- GitLab From ed56829cb3195de499f97fa6108fe9134319bae6 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:40 -0400 Subject: [PATCH 4662/6244] ring_buffer: reset buffer page when freeing Mathieu Desnoyers pointed out that the freeing of the page frame needs to be reset otherwise we might trigger BUG_ON in the page free code. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 95ca9338cb6c..cfa711374d9a 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -127,6 +127,17 @@ struct buffer_page { }; }; +/* + * Also stolen from mm/slob.c. Thanks to Mathieu Desnoyers for pointing + * this issue out. + */ +static inline void free_buffer_page(struct buffer_page *bpage) +{ + reset_page_mapcount(&bpage->page); + bpage->page.mapping = NULL; + __free_page(&bpage->page); +} + /* * We need to fit the time_stamp delta into 27 bits. */ @@ -240,7 +251,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, free_pages: list_for_each_entry_safe(page, tmp, &pages, list) { list_del_init(&page->list); - __free_page(&page->page); + free_buffer_page(page); } return -ENOMEM; } @@ -284,7 +295,7 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) list_for_each_entry_safe(page, tmp, head, list) { list_del_init(&page->list); - __free_page(&page->page); + free_buffer_page(page); } kfree(cpu_buffer); } @@ -393,7 +404,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) p = cpu_buffer->pages.next; page = list_entry(p, struct buffer_page, list); list_del_init(&page->list); - __free_page(&page->page); + free_buffer_page(page); } BUG_ON(list_empty(&cpu_buffer->pages)); @@ -520,7 +531,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) free_pages: list_for_each_entry_safe(page, tmp, &pages, list) { list_del_init(&page->list); - __free_page(&page->page); + free_buffer_page(page); } return -ENOMEM; } -- GitLab From 3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:41 -0400 Subject: [PATCH 4663/6244] ftrace: make work with new ring buffer This patch ports ftrace over to the new ring buffer. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 932 ++++++++---------------------- kernel/trace/trace.h | 22 +- kernel/trace/trace_boot.c | 16 +- kernel/trace/trace_functions.c | 2 +- kernel/trace/trace_irqsoff.c | 6 +- kernel/trace/trace_mmiotrace.c | 40 +- kernel/trace/trace_nop.c | 2 +- kernel/trace/trace_sched_switch.c | 2 +- kernel/trace/trace_sched_wakeup.c | 2 +- kernel/trace/trace_selftest.c | 60 +- kernel/trace/trace_sysprof.c | 2 +- 11 files changed, 288 insertions(+), 798 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6ada059832a6..ef80793858b8 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -33,25 +33,22 @@ #include #include +#include #include "trace.h" +#define TRACE_BUFFER_FLAGS (RB_FL_OVERWRITE) + unsigned long __read_mostly tracing_max_latency = (cycle_t)ULONG_MAX; unsigned long __read_mostly tracing_thresh; -static unsigned long __read_mostly tracing_nr_buffers; static cpumask_t __read_mostly tracing_buffer_mask; #define for_each_tracing_cpu(cpu) \ for_each_cpu_mask(cpu, tracing_buffer_mask) -static int trace_alloc_page(void); -static int trace_free_page(void); - static int tracing_disabled = 1; -static unsigned long tracing_pages_allocated; - long ns2usecs(cycle_t nsec) { @@ -62,7 +59,9 @@ ns2usecs(cycle_t nsec) cycle_t ftrace_now(int cpu) { - return cpu_clock(cpu); + u64 ts = ring_buffer_time_stamp(cpu); + ring_buffer_normalize_time_stamp(cpu, &ts); + return ts; } /* @@ -102,18 +101,18 @@ static int tracer_enabled = 1; int ftrace_function_enabled; /* - * trace_nr_entries is the number of entries that is allocated - * for a buffer. Note, the number of entries is always rounded - * to ENTRIES_PER_PAGE. + * trace_buf_size is the size in bytes that is allocated + * for a buffer. Note, the number of bytes is always rounded + * to page size. * * This number is purposely set to a low number of 16384. * If the dump on oops happens, it will be much appreciated * to not have to wait for all that output. Anyway this can be * boot time and run time configurable. */ -#define TRACE_ENTRIES_DEFAULT 16384UL +#define TRACE_BUF_SIZE_DEFAULT 1441792UL /* 16384 * 88 (sizeof(entry)) */ -static unsigned long trace_nr_entries = TRACE_ENTRIES_DEFAULT; +static unsigned long trace_buf_size = TRACE_BUF_SIZE_DEFAULT; /* trace_types holds a link list of available tracers. */ static struct tracer *trace_types __read_mostly; @@ -158,23 +157,21 @@ void trace_wake_up(void) wake_up(&trace_wait); } -#define ENTRIES_PER_PAGE (PAGE_SIZE / sizeof(struct trace_entry)) - -static int __init set_nr_entries(char *str) +static int __init set_buf_size(char *str) { - unsigned long nr_entries; + unsigned long buf_size; int ret; if (!str) return 0; - ret = strict_strtoul(str, 0, &nr_entries); + ret = strict_strtoul(str, 0, &buf_size); /* nr_entries can not be zero */ - if (ret < 0 || nr_entries == 0) + if (ret < 0 || buf_size == 0) return 0; - trace_nr_entries = nr_entries; + trace_buf_size = buf_size; return 1; } -__setup("trace_entries=", set_nr_entries); +__setup("trace_buf_size=", set_buf_size); unsigned long nsecs_to_usecs(unsigned long nsecs) { @@ -243,54 +240,6 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) tracing_record_cmdline(current); } -#define CHECK_COND(cond) \ - if (unlikely(cond)) { \ - tracing_disabled = 1; \ - WARN_ON(1); \ - return -1; \ - } - -/** - * check_pages - integrity check of trace buffers - * - * As a safty measure we check to make sure the data pages have not - * been corrupted. - */ -int check_pages(struct trace_array_cpu *data) -{ - struct page *page, *tmp; - - CHECK_COND(data->trace_pages.next->prev != &data->trace_pages); - CHECK_COND(data->trace_pages.prev->next != &data->trace_pages); - - list_for_each_entry_safe(page, tmp, &data->trace_pages, lru) { - CHECK_COND(page->lru.next->prev != &page->lru); - CHECK_COND(page->lru.prev->next != &page->lru); - } - - return 0; -} - -/** - * head_page - page address of the first page in per_cpu buffer. - * - * head_page returns the page address of the first page in - * a per_cpu buffer. This also preforms various consistency - * checks to make sure the buffer has not been corrupted. - */ -void *head_page(struct trace_array_cpu *data) -{ - struct page *page; - - if (list_empty(&data->trace_pages)) - return NULL; - - page = list_entry(data->trace_pages.next, struct page, lru); - BUG_ON(&page->lru == &data->trace_pages); - - return page_address(page); -} - /** * trace_seq_printf - sequence printing of trace information * @s: trace sequence descriptor @@ -437,34 +386,6 @@ trace_print_seq(struct seq_file *m, struct trace_seq *s) trace_seq_reset(s); } -/* - * flip the trace buffers between two trace descriptors. - * This usually is the buffers between the global_trace and - * the max_tr to record a snapshot of a current trace. - * - * The ftrace_max_lock must be held. - */ -static void -flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2) -{ - struct list_head flip_pages; - - INIT_LIST_HEAD(&flip_pages); - - memcpy(&tr1->trace_head_idx, &tr2->trace_head_idx, - sizeof(struct trace_array_cpu) - - offsetof(struct trace_array_cpu, trace_head_idx)); - - check_pages(tr1); - check_pages(tr2); - list_splice_init(&tr1->trace_pages, &flip_pages); - list_splice_init(&tr2->trace_pages, &tr1->trace_pages); - list_splice_init(&flip_pages, &tr2->trace_pages); - BUG_ON(!list_empty(&flip_pages)); - check_pages(tr1); - check_pages(tr2); -} - /** * update_max_tr - snapshot all trace buffers from global_trace to max_tr * @tr: tracer @@ -477,17 +398,15 @@ flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2) void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) { - struct trace_array_cpu *data; - int i; + struct ring_buffer *buf = tr->buffer; WARN_ON_ONCE(!irqs_disabled()); __raw_spin_lock(&ftrace_max_lock); - /* clear out all the previous traces */ - for_each_tracing_cpu(i) { - data = tr->data[i]; - flip_trace(max_tr.data[i], data); - tracing_reset(data); - } + + tr->buffer = max_tr.buffer; + max_tr.buffer = buf; + + ring_buffer_reset(tr->buffer); __update_max_tr(tr, tsk, cpu); __raw_spin_unlock(&ftrace_max_lock); @@ -504,16 +423,15 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) void update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu) { - struct trace_array_cpu *data = tr->data[cpu]; - int i; + int ret; WARN_ON_ONCE(!irqs_disabled()); __raw_spin_lock(&ftrace_max_lock); - for_each_tracing_cpu(i) - tracing_reset(max_tr.data[i]); - flip_trace(max_tr.data[cpu], data); - tracing_reset(data); + ring_buffer_reset(max_tr.buffer); + ret = ring_buffer_swap_cpu(max_tr.buffer, tr->buffer, cpu); + + WARN_ON_ONCE(ret); __update_max_tr(tr, tsk, cpu); __raw_spin_unlock(&ftrace_max_lock); @@ -550,7 +468,6 @@ int register_tracer(struct tracer *type) #ifdef CONFIG_FTRACE_STARTUP_TEST if (type->selftest) { struct tracer *saved_tracer = current_trace; - struct trace_array_cpu *data; struct trace_array *tr = &global_trace; int saved_ctrl = tr->ctrl; int i; @@ -562,10 +479,7 @@ int register_tracer(struct tracer *type) * If we fail, we do not register this tracer. */ for_each_tracing_cpu(i) { - data = tr->data[i]; - if (!head_page(data)) - continue; - tracing_reset(data); + tracing_reset(tr, i); } current_trace = type; tr->ctrl = 0; @@ -581,10 +495,7 @@ int register_tracer(struct tracer *type) } /* Only reset on passing, to avoid touching corrupted buffers */ for_each_tracing_cpu(i) { - data = tr->data[i]; - if (!head_page(data)) - continue; - tracing_reset(data); + tracing_reset(tr, i); } printk(KERN_CONT "PASSED\n"); } @@ -630,13 +541,9 @@ void unregister_tracer(struct tracer *type) mutex_unlock(&trace_types_lock); } -void tracing_reset(struct trace_array_cpu *data) +void tracing_reset(struct trace_array *tr, int cpu) { - data->trace_idx = 0; - data->overrun = 0; - data->trace_head = data->trace_tail = head_page(data); - data->trace_head_idx = 0; - data->trace_tail_idx = 0; + ring_buffer_reset_cpu(tr->buffer, cpu); } #define SAVED_CMDLINES 128 @@ -722,70 +629,6 @@ void tracing_record_cmdline(struct task_struct *tsk) trace_save_cmdline(tsk); } -static inline struct list_head * -trace_next_list(struct trace_array_cpu *data, struct list_head *next) -{ - /* - * Roundrobin - but skip the head (which is not a real page): - */ - next = next->next; - if (unlikely(next == &data->trace_pages)) - next = next->next; - BUG_ON(next == &data->trace_pages); - - return next; -} - -static inline void * -trace_next_page(struct trace_array_cpu *data, void *addr) -{ - struct list_head *next; - struct page *page; - - page = virt_to_page(addr); - - next = trace_next_list(data, &page->lru); - page = list_entry(next, struct page, lru); - - return page_address(page); -} - -struct trace_entry * -tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data) -{ - unsigned long idx, idx_next; - struct trace_entry *entry; - - data->trace_idx++; - idx = data->trace_head_idx; - idx_next = idx + 1; - - BUG_ON(idx * TRACE_ENTRY_SIZE >= PAGE_SIZE); - - entry = data->trace_head + idx * TRACE_ENTRY_SIZE; - - if (unlikely(idx_next >= ENTRIES_PER_PAGE)) { - data->trace_head = trace_next_page(data, data->trace_head); - idx_next = 0; - } - - if (data->trace_head == data->trace_tail && - idx_next == data->trace_tail_idx) { - /* overrun */ - data->overrun++; - data->trace_tail_idx++; - if (data->trace_tail_idx >= ENTRIES_PER_PAGE) { - data->trace_tail = - trace_next_page(data, data->trace_tail); - data->trace_tail_idx = 0; - } - } - - data->trace_head_idx = idx_next; - - return entry; -} - void tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) { @@ -796,7 +639,6 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) entry->field.preempt_count = pc & 0xff; entry->field.pid = (tsk) ? tsk->pid : 0; - entry->field.t = ftrace_now(raw_smp_processor_id()); entry->field.flags = (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | ((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) | @@ -808,18 +650,20 @@ void trace_function(struct trace_array *tr, struct trace_array_cpu *data, unsigned long ip, unsigned long parent_ip, unsigned long flags) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, flags); entry->type = TRACE_FN; entry->field.fn.ip = ip; entry->field.fn.parent_ip = parent_ip; - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); } void @@ -835,13 +679,19 @@ void __trace_stack(struct trace_array *tr, unsigned long flags, int skip) { + struct ring_buffer_event *event; struct trace_entry *entry; struct stack_trace trace; + unsigned long irq_flags; if (!(trace_flags & TRACE_ITER_STACKTRACE)) return; - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, flags); entry->type = TRACE_STACK; @@ -853,28 +703,31 @@ void __trace_stack(struct trace_array *tr, trace.entries = entry->field.stack.caller; save_stack_trace(&trace); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); } void __trace_special(void *__tr, void *__data, unsigned long arg1, unsigned long arg2, unsigned long arg3) { + struct ring_buffer_event *event; struct trace_array_cpu *data = __data; struct trace_array *tr = __tr; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_SPECIAL; entry->field.special.arg1 = arg1; entry->field.special.arg2 = arg2; entry->field.special.arg3 = arg3; + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, irq_flags, 4); - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); trace_wake_up(); } @@ -886,12 +739,15 @@ tracing_sched_switch_trace(struct trace_array *tr, struct task_struct *next, unsigned long flags) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, flags); entry->type = TRACE_CTX; entry->field.ctx.prev_pid = prev->pid; @@ -901,9 +757,8 @@ tracing_sched_switch_trace(struct trace_array *tr, entry->field.ctx.next_prio = next->prio; entry->field.ctx.next_state = next->state; entry->field.ctx.next_cpu = task_cpu(next); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, flags, 5); - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); } void @@ -913,12 +768,15 @@ tracing_sched_wakeup_trace(struct trace_array *tr, struct task_struct *curr, unsigned long flags) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, flags); entry->type = TRACE_WAKE; entry->field.ctx.prev_pid = curr->pid; @@ -928,9 +786,8 @@ tracing_sched_wakeup_trace(struct trace_array *tr, entry->field.ctx.next_prio = wakee->prio; entry->field.ctx.next_state = wakee->state; entry->field.ctx.next_cpu = task_cpu(wakee); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, flags, 6); - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); trace_wake_up(); } @@ -1011,183 +868,77 @@ enum trace_file_type { TRACE_FILE_LAT_FMT = 1, }; -/* Return the current entry. */ -static struct trace_entry * -trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data, - struct trace_iterator *iter, int cpu) -{ - struct page *page; - struct trace_entry *array; - - if (iter->next_idx[cpu] >= tr->entries || - iter->next_idx[cpu] >= data->trace_idx || - (data->trace_head == data->trace_tail && - data->trace_head_idx == data->trace_tail_idx)) - return NULL; - - if (!iter->next_page[cpu]) { - /* Initialize the iterator for this cpu trace buffer */ - WARN_ON(!data->trace_tail); - page = virt_to_page(data->trace_tail); - iter->next_page[cpu] = &page->lru; - iter->next_page_idx[cpu] = data->trace_tail_idx; - } - - page = list_entry(iter->next_page[cpu], struct page, lru); - BUG_ON(&data->trace_pages == &page->lru); - - array = page_address(page); - - WARN_ON(iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE); - return &array[iter->next_page_idx[cpu]]; -} - -/* Increment the index counter of an iterator by one */ -static void __trace_iterator_increment(struct trace_iterator *iter, int cpu) -{ - iter->next_idx[cpu]++; - iter->next_page_idx[cpu]++; - - if (iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE) { - struct trace_array_cpu *data = iter->tr->data[cpu]; - - iter->next_page_idx[cpu] = 0; - iter->next_page[cpu] = - trace_next_list(data, iter->next_page[cpu]); - } -} - static void trace_iterator_increment(struct trace_iterator *iter, int cpu) { iter->idx++; - __trace_iterator_increment(iter, cpu); + ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); } static struct trace_entry * -trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data, - struct trace_iterator *iter, int cpu) +peek_next_entry(struct trace_iterator *iter, int cpu, u64 *ts) { - struct list_head *next_page; - struct trace_entry *ent; - int idx, next_idx, next_page_idx; - - ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); - - if (likely(!ent || ent->type != TRACE_CONT)) - return ent; - - /* save the iterator details */ - idx = iter->idx; - next_idx = iter->next_idx[cpu]; - next_page_idx = iter->next_page_idx[cpu]; - next_page = iter->next_page[cpu]; - - /* find a real entry */ - do { - __trace_iterator_increment(iter, cpu); - ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); - } while (ent && ent->type != TRACE_CONT); - - /* reset the iterator */ - iter->idx = idx; - iter->next_idx[cpu] = next_idx; - iter->next_page_idx[cpu] = next_page_idx; - iter->next_page[cpu] = next_page; + struct ring_buffer_event *event; + struct ring_buffer_iter *buf_iter = iter->buffer_iter[cpu]; - return ent; + event = ring_buffer_iter_peek(buf_iter, ts); + return event ? ring_buffer_event_data(event) : NULL; } - static struct trace_entry * -__find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc) +__find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts) { - struct trace_array *tr = iter->tr; + struct ring_buffer *buffer = iter->tr->buffer; struct trace_entry *ent, *next = NULL; + u64 next_ts = 0, ts; int next_cpu = -1; int cpu; for_each_tracing_cpu(cpu) { - if (!head_page(tr->data[cpu])) - continue; - ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu); + if (ring_buffer_empty_cpu(buffer, cpu)) + continue; - if (ent && ent->type == TRACE_CONT) { - struct trace_array_cpu *data = tr->data[cpu]; - - if (!inc) - ent = trace_entry_next(tr, data, iter, cpu); - else { - while (ent && ent->type == TRACE_CONT) { - __trace_iterator_increment(iter, cpu); - ent = trace_entry_idx(tr, tr->data[cpu], - iter, cpu); - } - } - } + ent = peek_next_entry(iter, cpu, &ts); /* * Pick the entry with the smallest timestamp: */ - if (ent && (!next || ent->field.t < next->field.t)) { + if (ent && (!next || ts < next_ts)) { next = ent; next_cpu = cpu; + next_ts = ts; } } if (ent_cpu) *ent_cpu = next_cpu; + if (ent_ts) + *ent_ts = next_ts; + return next; } /* Find the next real entry, without updating the iterator itself */ static struct trace_entry * -find_next_entry(struct trace_iterator *iter, int *ent_cpu) +find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts) { - return __find_next_entry(iter, ent_cpu, 0); + return __find_next_entry(iter, ent_cpu, ent_ts); } /* Find the next real entry, and increment the iterator to the next entry */ static void *find_next_entry_inc(struct trace_iterator *iter) { - struct trace_entry *next; - int next_cpu = -1; - - next = __find_next_entry(iter, &next_cpu, 1); - - iter->prev_ent = iter->ent; - iter->prev_cpu = iter->cpu; + iter->ent = __find_next_entry(iter, &iter->cpu, &iter->ts); - iter->ent = next; - iter->cpu = next_cpu; - - if (next) + if (iter->ent) trace_iterator_increment(iter, iter->cpu); - return next ? iter : NULL; + return iter->ent ? iter : NULL; } static void trace_consume(struct trace_iterator *iter) { - struct trace_array_cpu *data = iter->tr->data[iter->cpu]; - struct trace_entry *ent; - - again: - data->trace_tail_idx++; - if (data->trace_tail_idx >= ENTRIES_PER_PAGE) { - data->trace_tail = trace_next_page(data, data->trace_tail); - data->trace_tail_idx = 0; - } - - /* Check if we empty it, then reset the index */ - if (data->trace_head == data->trace_tail && - data->trace_head_idx == data->trace_tail_idx) - data->trace_idx = 0; - - ent = trace_entry_idx(iter->tr, iter->tr->data[iter->cpu], - iter, iter->cpu); - if (ent && ent->type == TRACE_CONT) - goto again; + ring_buffer_consume(iter->tr->buffer, iter->cpu, &iter->ts); } static void *s_next(struct seq_file *m, void *v, loff_t *pos) @@ -1220,7 +971,7 @@ static void *s_start(struct seq_file *m, loff_t *pos) struct trace_iterator *iter = m->private; void *p = NULL; loff_t l = 0; - int i; + int cpu; mutex_lock(&trace_types_lock); @@ -1239,12 +990,9 @@ static void *s_start(struct seq_file *m, loff_t *pos) iter->ent = NULL; iter->cpu = 0; iter->idx = -1; - iter->prev_ent = NULL; - iter->prev_cpu = -1; - for_each_tracing_cpu(i) { - iter->next_idx[i] = 0; - iter->next_page[i] = NULL; + for_each_tracing_cpu(cpu) { + ring_buffer_iter_reset(iter->buffer_iter[cpu]); } for (p = iter; p && l < *pos; p = s_next(m, p, &l)) @@ -1365,23 +1113,16 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter) struct trace_array *tr = iter->tr; struct trace_array_cpu *data = tr->data[tr->cpu]; struct tracer *type = current_trace; - unsigned long total = 0; - unsigned long entries = 0; - int cpu; + unsigned long total; + unsigned long entries; const char *name = "preemption"; if (type) name = type->name; - for_each_tracing_cpu(cpu) { - if (head_page(tr->data[cpu])) { - total += tr->data[cpu]->trace_idx; - if (tr->data[cpu]->trace_idx > tr->entries) - entries += tr->entries; - else - entries += tr->data[cpu]->trace_idx; - } - } + entries = ring_buffer_entries(iter->tr->buffer); + total = entries + + ring_buffer_overruns(iter->tr->buffer); seq_printf(m, "%s latency trace v1.1.5 on %s\n", name, UTS_RELEASE); @@ -1468,7 +1209,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) unsigned long preempt_mark_thresh = 100; static void -lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs, +lat_print_timestamp(struct trace_seq *s, u64 abs_usecs, unsigned long rel_usecs) { trace_seq_printf(s, " %4lldus", abs_usecs); @@ -1488,12 +1229,10 @@ static const char state_to_char[] = TASK_STATE_TO_CHAR_STR; */ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) { - struct trace_array *tr = iter->tr; - struct trace_array_cpu *data = tr->data[iter->cpu]; struct trace_entry *ent; bool ok = true; - ent = trace_entry_idx(tr, data, iter, iter->cpu); + ent = peek_next_entry(iter, iter->cpu, NULL); if (!ent || ent->type != TRACE_CONT) { trace_seq_putc(s, '\n'); return; @@ -1502,8 +1241,8 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) do { if (ok) ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0); - __trace_iterator_increment(iter, iter->cpu); - ent = trace_entry_idx(tr, data, iter, iter->cpu); + ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + ent = peek_next_entry(iter, iter->cpu, NULL); } while (ent && ent->type == TRACE_CONT); if (!ok) @@ -1515,25 +1254,26 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) { struct trace_seq *s = &iter->seq; unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); - struct trace_entry *next_entry = find_next_entry(iter, NULL); + struct trace_entry *next_entry; unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE); struct trace_entry *entry = iter->ent; struct trace_field *field = &entry->field; unsigned long abs_usecs; unsigned long rel_usecs; + u64 next_ts; char *comm; int S, T; int i; unsigned state; - if (!next_entry) - next_entry = entry; - if (entry->type == TRACE_CONT) return 1; - rel_usecs = ns2usecs(next_entry->field.t - entry->field.t); - abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start); + next_entry = find_next_entry(iter, NULL, &next_ts); + if (!next_entry) + next_ts = iter->ts; + rel_usecs = ns2usecs(next_ts - iter->ts); + abs_usecs = ns2usecs(iter->ts - iter->tr->time_start); if (verbose) { comm = trace_find_cmdline(field->pid); @@ -1542,7 +1282,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) comm, field->pid, cpu, field->flags, field->preempt_count, trace_idx, - ns2usecs(field->t), + ns2usecs(iter->ts), abs_usecs/1000, abs_usecs % 1000, rel_usecs/1000, rel_usecs % 1000); @@ -1627,7 +1367,7 @@ static int print_trace_fmt(struct trace_iterator *iter) comm = trace_find_cmdline(iter->ent->field.pid); - t = ns2usecs(field->t); + t = ns2usecs(iter->ts); usec_rem = do_div(t, 1000000ULL); secs = (unsigned long)t; @@ -1732,7 +1472,7 @@ static int print_raw_fmt(struct trace_iterator *iter) field = &entry->field; ret = trace_seq_printf(s, "%d %d %llu ", - field->pid, iter->cpu, field->t); + field->pid, iter->cpu, iter->ts); if (!ret) return 0; @@ -1811,7 +1551,7 @@ static int print_hex_fmt(struct trace_iterator *iter) SEQ_PUT_HEX_FIELD_RET(s, field->pid); SEQ_PUT_HEX_FIELD_RET(s, iter->cpu); - SEQ_PUT_HEX_FIELD_RET(s, field->t); + SEQ_PUT_HEX_FIELD_RET(s, iter->ts); switch (entry->type) { case TRACE_FN: @@ -1861,7 +1601,7 @@ static int print_bin_fmt(struct trace_iterator *iter) SEQ_PUT_FIELD_RET(s, field->pid); SEQ_PUT_FIELD_RET(s, field->cpu); - SEQ_PUT_FIELD_RET(s, field->t); + SEQ_PUT_FIELD_RET(s, iter->ts); switch (entry->type) { case TRACE_FN: @@ -1888,15 +1628,10 @@ static int print_bin_fmt(struct trace_iterator *iter) static int trace_empty(struct trace_iterator *iter) { - struct trace_array_cpu *data; int cpu; for_each_tracing_cpu(cpu) { - data = iter->tr->data[cpu]; - - if (head_page(data) && data->trace_idx && - (data->trace_tail != data->trace_head || - data->trace_tail_idx != data->trace_head_idx)) + if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) return 0; } return 1; @@ -1961,6 +1696,8 @@ static struct trace_iterator * __tracing_open(struct inode *inode, struct file *file, int *ret) { struct trace_iterator *iter; + struct seq_file *m; + int cpu; if (tracing_disabled) { *ret = -ENODEV; @@ -1981,28 +1718,43 @@ __tracing_open(struct inode *inode, struct file *file, int *ret) iter->trace = current_trace; iter->pos = -1; + for_each_tracing_cpu(cpu) { + iter->buffer_iter[cpu] = + ring_buffer_read_start(iter->tr->buffer, cpu); + if (!iter->buffer_iter[cpu]) + goto fail_buffer; + } + /* TODO stop tracer */ *ret = seq_open(file, &tracer_seq_ops); - if (!*ret) { - struct seq_file *m = file->private_data; - m->private = iter; + if (*ret) + goto fail_buffer; - /* stop the trace while dumping */ - if (iter->tr->ctrl) { - tracer_enabled = 0; - ftrace_function_enabled = 0; - } + m = file->private_data; + m->private = iter; - if (iter->trace && iter->trace->open) - iter->trace->open(iter); - } else { - kfree(iter); - iter = NULL; + /* stop the trace while dumping */ + if (iter->tr->ctrl) { + tracer_enabled = 0; + ftrace_function_enabled = 0; } + + if (iter->trace && iter->trace->open) + iter->trace->open(iter); + mutex_unlock(&trace_types_lock); out: return iter; + + fail_buffer: + for_each_tracing_cpu(cpu) { + if (iter->buffer_iter[cpu]) + ring_buffer_read_finish(iter->buffer_iter[cpu]); + } + mutex_unlock(&trace_types_lock); + + return ERR_PTR(-ENOMEM); } int tracing_open_generic(struct inode *inode, struct file *filp) @@ -2018,8 +1770,14 @@ int tracing_release(struct inode *inode, struct file *file) { struct seq_file *m = (struct seq_file *)file->private_data; struct trace_iterator *iter = m->private; + int cpu; mutex_lock(&trace_types_lock); + for_each_tracing_cpu(cpu) { + if (iter->buffer_iter[cpu]) + ring_buffer_read_finish(iter->buffer_iter[cpu]); + } + if (iter->trace && iter->trace->close) iter->trace->close(iter); @@ -2526,6 +2284,7 @@ static atomic_t tracing_reader; static int tracing_open_pipe(struct inode *inode, struct file *filp) { struct trace_iterator *iter; + int cpu; if (tracing_disabled) return -ENODEV; @@ -2546,17 +2305,38 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp) iter->trace = current_trace; filp->private_data = iter; + for_each_tracing_cpu(cpu) { + iter->buffer_iter[cpu] = + ring_buffer_read_start(iter->tr->buffer, cpu); + if (!iter->buffer_iter[cpu]) + goto fail_buffer; + } + if (iter->trace->pipe_open) iter->trace->pipe_open(iter); mutex_unlock(&trace_types_lock); return 0; + + fail_buffer: + for_each_tracing_cpu(cpu) { + if (iter->buffer_iter[cpu]) + ring_buffer_read_finish(iter->buffer_iter[cpu]); + } + mutex_unlock(&trace_types_lock); + + return -ENOMEM; } static int tracing_release_pipe(struct inode *inode, struct file *file) { struct trace_iterator *iter = file->private_data; + int cpu; + for_each_tracing_cpu(cpu) { + if (iter->buffer_iter[cpu]) + ring_buffer_read_finish(iter->buffer_iter[cpu]); + } kfree(iter); atomic_dec(&tracing_reader); @@ -2592,13 +2372,10 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { struct trace_iterator *iter = filp->private_data; - struct trace_array_cpu *data; - static cpumask_t mask; unsigned long flags; #ifdef CONFIG_FTRACE int ftrace_save; #endif - int cpu; ssize_t sret; /* return any leftover data */ @@ -2687,32 +2464,13 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, * and then release the locks again. */ - cpus_clear(mask); - local_irq_save(flags); + local_irq_disable(); #ifdef CONFIG_FTRACE ftrace_save = ftrace_enabled; ftrace_enabled = 0; #endif smp_wmb(); - for_each_tracing_cpu(cpu) { - data = iter->tr->data[cpu]; - - if (!head_page(data) || !data->trace_idx) - continue; - - atomic_inc(&data->disabled); - cpu_set(cpu, mask); - } - - for_each_cpu_mask(cpu, mask) { - data = iter->tr->data[cpu]; - __raw_spin_lock(&data->lock); - - if (data->overrun > iter->last_overrun[cpu]) - iter->overrun[cpu] += - data->overrun - iter->last_overrun[cpu]; - iter->last_overrun[cpu] = data->overrun; - } + ring_buffer_lock(iter->tr->buffer, &flags); while (find_next_entry_inc(iter) != NULL) { int ret; @@ -2731,19 +2489,11 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, break; } - for_each_cpu_mask(cpu, mask) { - data = iter->tr->data[cpu]; - __raw_spin_unlock(&data->lock); - } - - for_each_cpu_mask(cpu, mask) { - data = iter->tr->data[cpu]; - atomic_dec(&data->disabled); - } + ring_buffer_unlock(iter->tr->buffer, flags); #ifdef CONFIG_FTRACE ftrace_enabled = ftrace_save; #endif - local_irq_restore(flags); + local_irq_enable(); /* Now copy what we have to the user */ sret = trace_seq_to_user(&iter->seq, ubuf, cnt); @@ -2776,7 +2526,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, { unsigned long val; char buf[64]; - int i, ret; + int ret; struct trace_array *tr = filp->private_data; if (cnt >= sizeof(buf)) @@ -2804,52 +2554,31 @@ tracing_entries_write(struct file *filp, const char __user *ubuf, goto out; } - if (val > global_trace.entries) { - long pages_requested; - unsigned long freeable_pages; - - /* make sure we have enough memory before mapping */ - pages_requested = - (val + (ENTRIES_PER_PAGE-1)) / ENTRIES_PER_PAGE; - - /* account for each buffer (and max_tr) */ - pages_requested *= tracing_nr_buffers * 2; - - /* Check for overflow */ - if (pages_requested < 0) { - cnt = -ENOMEM; - goto out; - } - - freeable_pages = determine_dirtyable_memory(); - - /* we only allow to request 1/4 of useable memory */ - if (pages_requested > - ((freeable_pages + tracing_pages_allocated) / 4)) { - cnt = -ENOMEM; + if (val != global_trace.entries) { + ret = ring_buffer_resize(global_trace.buffer, val); + if (ret < 0) { + cnt = ret; goto out; } - while (global_trace.entries < val) { - if (trace_alloc_page()) { - cnt = -ENOMEM; - goto out; + ret = ring_buffer_resize(max_tr.buffer, val); + if (ret < 0) { + int r; + cnt = ret; + r = ring_buffer_resize(global_trace.buffer, + global_trace.entries); + if (r < 0) { + /* AARGH! We are left with different + * size max buffer!!!! */ + WARN_ON(1); + tracing_disabled = 1; } - /* double check that we don't go over the known pages */ - if (tracing_pages_allocated > pages_requested) - break; + goto out; } - } else { - /* include the number of entries in val (inc of page entries) */ - while (global_trace.entries > val + (ENTRIES_PER_PAGE - 1)) - trace_free_page(); + global_trace.entries = val; } - /* check integrity */ - for_each_tracing_cpu(i) - check_pages(global_trace.data[i]); - filp->f_pos += cnt; /* If check pages failed, return ENOMEM */ @@ -3086,10 +2815,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) static DEFINE_SPINLOCK(trace_buf_lock); static char trace_buf[TRACE_BUF_SIZE]; + struct ring_buffer_event *event; struct trace_array *tr = &global_trace; struct trace_array_cpu *data; struct trace_entry *entry; - unsigned long flags; + unsigned long flags, irq_flags; long disabled; int cpu, len = 0, write, written = 0; @@ -3110,8 +2840,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) len = min(len, TRACE_BUF_SIZE-1); trace_buf[len] = 0; - __raw_spin_lock(&data->lock); - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + goto out_unlock; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, flags); entry->type = TRACE_PRINT; entry->field.print.ip = ip; @@ -3121,21 +2854,27 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) memcpy(&entry->field.print.buf, trace_buf, write); entry->field.print.buf[write] = 0; written = write; + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); if (written != len) entry->field.flags |= TRACE_FLAG_CONT; while (written != len) { - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + goto out_unlock; + entry = ring_buffer_event_data(event); entry->type = TRACE_CONT; write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1)); memcpy(&entry->cont.buf, trace_buf+written, write); entry->cont.buf[write] = 0; written += write; + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); } - __raw_spin_unlock(&data->lock); + out_unlock: spin_unlock(&trace_buf_lock); out: @@ -3227,12 +2966,10 @@ void ftrace_dump(void) static DEFINE_SPINLOCK(ftrace_dump_lock); /* use static because iter can be a bit big for the stack */ static struct trace_iterator iter; - struct trace_array_cpu *data; static cpumask_t mask; static int dump_ran; - unsigned long flags; + unsigned long flags, irq_flags; int cnt = 0; - int cpu; /* only one dump */ spin_lock_irqsave(&ftrace_dump_lock, flags); @@ -3258,25 +2995,7 @@ void ftrace_dump(void) cpus_clear(mask); - for_each_tracing_cpu(cpu) { - data = iter.tr->data[cpu]; - - if (!head_page(data) || !data->trace_idx) - continue; - - atomic_inc(&data->disabled); - cpu_set(cpu, mask); - } - - for_each_cpu_mask(cpu, mask) { - data = iter.tr->data[cpu]; - __raw_spin_lock(&data->lock); - - if (data->overrun > iter.last_overrun[cpu]) - iter.overrun[cpu] += - data->overrun - iter.last_overrun[cpu]; - iter.last_overrun[cpu] = data->overrun; - } + ring_buffer_lock(iter.tr->buffer, &irq_flags); while (!trace_empty(&iter)) { @@ -3305,205 +3024,47 @@ void ftrace_dump(void) else printk(KERN_TRACE "---------------------------------\n"); - for_each_cpu_mask(cpu, mask) { - data = iter.tr->data[cpu]; - __raw_spin_unlock(&data->lock); - } - - for_each_cpu_mask(cpu, mask) { - data = iter.tr->data[cpu]; - atomic_dec(&data->disabled); - } - + ring_buffer_unlock(iter.tr->buffer, irq_flags); out: spin_unlock_irqrestore(&ftrace_dump_lock, flags); } -static int trace_alloc_page(void) +__init static int tracer_alloc_buffers(void) { struct trace_array_cpu *data; - struct page *page, *tmp; - LIST_HEAD(pages); - void *array; - unsigned pages_allocated = 0; int i; - /* first allocate a page for each CPU */ - for_each_tracing_cpu(i) { - array = (void *)__get_free_page(GFP_KERNEL); - if (array == NULL) { - printk(KERN_ERR "tracer: failed to allocate page" - "for trace buffer!\n"); - goto free_pages; - } - - pages_allocated++; - page = virt_to_page(array); - list_add(&page->lru, &pages); + /* TODO: make the number of buffers hot pluggable with CPUS */ + tracing_buffer_mask = cpu_possible_map; -/* Only allocate if we are actually using the max trace */ -#ifdef CONFIG_TRACER_MAX_TRACE - array = (void *)__get_free_page(GFP_KERNEL); - if (array == NULL) { - printk(KERN_ERR "tracer: failed to allocate page" - "for trace buffer!\n"); - goto free_pages; - } - pages_allocated++; - page = virt_to_page(array); - list_add(&page->lru, &pages); -#endif + global_trace.buffer = ring_buffer_alloc(trace_buf_size, + TRACE_BUFFER_FLAGS); + if (!global_trace.buffer) { + printk(KERN_ERR "tracer: failed to allocate ring buffer!\n"); + WARN_ON(1); + return 0; } - - /* Now that we successfully allocate a page per CPU, add them */ - for_each_tracing_cpu(i) { - data = global_trace.data[i]; - page = list_entry(pages.next, struct page, lru); - list_del_init(&page->lru); - list_add_tail(&page->lru, &data->trace_pages); - ClearPageLRU(page); + global_trace.entries = ring_buffer_size(global_trace.buffer); #ifdef CONFIG_TRACER_MAX_TRACE - data = max_tr.data[i]; - page = list_entry(pages.next, struct page, lru); - list_del_init(&page->lru); - list_add_tail(&page->lru, &data->trace_pages); - SetPageLRU(page); -#endif - } - tracing_pages_allocated += pages_allocated; - global_trace.entries += ENTRIES_PER_PAGE; - - return 0; - - free_pages: - list_for_each_entry_safe(page, tmp, &pages, lru) { - list_del_init(&page->lru); - __free_page(page); + max_tr.buffer = ring_buffer_alloc(trace_buf_size, + TRACE_BUFFER_FLAGS); + if (!max_tr.buffer) { + printk(KERN_ERR "tracer: failed to allocate max ring buffer!\n"); + WARN_ON(1); + ring_buffer_free(global_trace.buffer); + return 0; } - return -ENOMEM; -} - -static int trace_free_page(void) -{ - struct trace_array_cpu *data; - struct page *page; - struct list_head *p; - int i; - int ret = 0; - - /* free one page from each buffer */ - for_each_tracing_cpu(i) { - data = global_trace.data[i]; - p = data->trace_pages.next; - if (p == &data->trace_pages) { - /* should never happen */ - WARN_ON(1); - tracing_disabled = 1; - ret = -1; - break; - } - page = list_entry(p, struct page, lru); - ClearPageLRU(page); - list_del(&page->lru); - tracing_pages_allocated--; - tracing_pages_allocated--; - __free_page(page); - - tracing_reset(data); - -#ifdef CONFIG_TRACER_MAX_TRACE - data = max_tr.data[i]; - p = data->trace_pages.next; - if (p == &data->trace_pages) { - /* should never happen */ - WARN_ON(1); - tracing_disabled = 1; - ret = -1; - break; - } - page = list_entry(p, struct page, lru); - ClearPageLRU(page); - list_del(&page->lru); - __free_page(page); - - tracing_reset(data); + max_tr.entries = ring_buffer_size(max_tr.buffer); + WARN_ON(max_tr.entries != global_trace.entries); #endif - } - global_trace.entries -= ENTRIES_PER_PAGE; - - return ret; -} - -__init static int tracer_alloc_buffers(void) -{ - struct trace_array_cpu *data; - void *array; - struct page *page; - int pages = 0; - int ret = -ENOMEM; - int i; - - /* TODO: make the number of buffers hot pluggable with CPUS */ - tracing_nr_buffers = num_possible_cpus(); - tracing_buffer_mask = cpu_possible_map; /* Allocate the first page for all buffers */ for_each_tracing_cpu(i) { data = global_trace.data[i] = &per_cpu(global_trace_cpu, i); max_tr.data[i] = &per_cpu(max_data, i); - - array = (void *)__get_free_page(GFP_KERNEL); - if (array == NULL) { - printk(KERN_ERR "tracer: failed to allocate page" - "for trace buffer!\n"); - goto free_buffers; - } - - /* set the array to the list */ - INIT_LIST_HEAD(&data->trace_pages); - page = virt_to_page(array); - list_add(&page->lru, &data->trace_pages); - /* use the LRU flag to differentiate the two buffers */ - ClearPageLRU(page); - - data->lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; - max_tr.data[i]->lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED; - -/* Only allocate if we are actually using the max trace */ -#ifdef CONFIG_TRACER_MAX_TRACE - array = (void *)__get_free_page(GFP_KERNEL); - if (array == NULL) { - printk(KERN_ERR "tracer: failed to allocate page" - "for trace buffer!\n"); - goto free_buffers; - } - - INIT_LIST_HEAD(&max_tr.data[i]->trace_pages); - page = virt_to_page(array); - list_add(&page->lru, &max_tr.data[i]->trace_pages); - SetPageLRU(page); -#endif - } - - /* - * Since we allocate by orders of pages, we may be able to - * round up a bit. - */ - global_trace.entries = ENTRIES_PER_PAGE; - pages++; - - while (global_trace.entries < trace_nr_entries) { - if (trace_alloc_page()) - break; - pages++; } - max_tr.entries = global_trace.entries; - - pr_info("tracer: %d pages allocated for %ld entries of %ld bytes\n", - pages, trace_nr_entries, (long)TRACE_ENTRY_SIZE); - pr_info(" actual entries %ld\n", global_trace.entries); trace_init_cmdlines(); @@ -3519,38 +3080,13 @@ __init static int tracer_alloc_buffers(void) /* All seems OK, enable tracing */ global_trace.ctrl = tracer_enabled; tracing_disabled = 0; + atomic_notifier_chain_register(&panic_notifier_list, &trace_panic_notifier); register_die_notifier(&trace_die_notifier); return 0; - - free_buffers: - for (i-- ; i >= 0; i--) { - struct page *page, *tmp; - struct trace_array_cpu *data = global_trace.data[i]; - - if (data) { - list_for_each_entry_safe(page, tmp, - &data->trace_pages, lru) { - list_del_init(&page->lru); - __free_page(page); - } - } - -#ifdef CONFIG_TRACER_MAX_TRACE - data = max_tr.data[i]; - if (data) { - list_for_each_entry_safe(page, tmp, - &data->trace_pages, lru) { - list_del_init(&page->lru); - __free_page(page); - } - } -#endif - } - return ret; } early_initcall(tracer_alloc_buffers); fs_initcall(tracer_init_debugfs); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index b28bf8812efc..f6965f775b43 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -5,6 +5,7 @@ #include #include #include +#include #include #include @@ -102,7 +103,6 @@ struct trace_field { char flags; char preempt_count; int pid; - cycle_t t; union { struct ftrace_entry fn; struct ctx_switch_entry ctx; @@ -139,16 +139,9 @@ struct trace_entry { * the trace, etc.) */ struct trace_array_cpu { - struct list_head trace_pages; atomic_t disabled; - raw_spinlock_t lock; - struct lock_class_key lock_key; /* these fields get copied into max-trace: */ - unsigned trace_head_idx; - unsigned trace_tail_idx; - void *trace_head; /* producer */ - void *trace_tail; /* consumer */ unsigned long trace_idx; unsigned long overrun; unsigned long saved_latency; @@ -172,6 +165,7 @@ struct trace_iterator; * They have on/off state as well: */ struct trace_array { + struct ring_buffer *buffer; unsigned long entries; long ctrl; int cpu; @@ -219,27 +213,21 @@ struct trace_iterator { struct trace_array *tr; struct tracer *trace; void *private; - long last_overrun[NR_CPUS]; - long overrun[NR_CPUS]; + struct ring_buffer_iter *buffer_iter[NR_CPUS]; /* The below is zeroed out in pipe_read */ struct trace_seq seq; struct trace_entry *ent; int cpu; - - struct trace_entry *prev_ent; - int prev_cpu; + u64 ts; unsigned long iter_flags; loff_t pos; - unsigned long next_idx[NR_CPUS]; - struct list_head *next_page[NR_CPUS]; - unsigned next_page_idx[NR_CPUS]; long idx; }; void trace_wake_up(void); -void tracing_reset(struct trace_array_cpu *data); +void tracing_reset(struct trace_array *tr, int cpu); int tracing_open_generic(struct inode *inode, struct file *filp); struct dentry *tracing_init_dentry(void); void init_tracer_sysprof_debugfs(struct dentry *d_tracer); diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index d5c9e2e4a9c4..3657eec6b87d 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -34,7 +34,7 @@ static void boot_trace_init(struct trace_array *tr) trace_boot_enabled = 0; for_each_cpu_mask(cpu, cpu_possible_map) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void boot_trace_ctrl_update(struct trace_array *tr) @@ -74,6 +74,7 @@ struct tracer boot_tracer __read_mostly = void trace_boot(struct boot_trace *it) { + struct ring_buffer_event *event; struct trace_entry *entry; struct trace_array_cpu *data; unsigned long irq_flags; @@ -85,17 +86,18 @@ void trace_boot(struct boot_trace *it) preempt_disable(); data = tr->data[smp_processor_id()]; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + goto out; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_BOOT; entry->field.initcall = *it; + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); trace_wake_up(); + out: preempt_enable(); } diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 312144897970..e90eb0c2c56c 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -23,7 +23,7 @@ static void function_reset(struct trace_array *tr) tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void start_function_trace(struct trace_array *tr) diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index ece6cfb649fa..37ad49407f27 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -173,7 +173,7 @@ out_unlock: out: data->critical_sequence = max_sequence; data->preempt_timestamp = ftrace_now(cpu); - tracing_reset(data); + tracing_reset(tr, cpu); trace_function(tr, data, CALLER_ADDR0, parent_ip, flags); } @@ -203,7 +203,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip) data->critical_sequence = max_sequence; data->preempt_timestamp = ftrace_now(cpu); data->critical_start = parent_ip ? : ip; - tracing_reset(data); + tracing_reset(tr, cpu); local_save_flags(flags); @@ -234,7 +234,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip) data = tr->data[cpu]; - if (unlikely(!data) || unlikely(!head_page(data)) || + if (unlikely(!data) || !data->critical_start || atomic_read(&data->disabled)) return; diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index a108c326f36e..bdbf09d8413c 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -27,7 +27,7 @@ static void mmio_reset_data(struct trace_array *tr) tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void mmio_trace_init(struct trace_array *tr) @@ -130,10 +130,14 @@ static unsigned long count_overruns(struct trace_iterator *iter) { int cpu; unsigned long cnt = 0; +/* FIXME: */ +#if 0 for_each_online_cpu(cpu) { cnt += iter->overrun[cpu]; iter->overrun[cpu] = 0; } +#endif + (void)cpu; return cnt; } @@ -176,7 +180,7 @@ static int mmio_print_rw(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; struct mmiotrace_rw *rw = &entry->field.mmiorw; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; @@ -218,7 +222,7 @@ static int mmio_print_map(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; struct mmiotrace_map *m = &entry->field.mmiomap; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; @@ -250,7 +254,7 @@ static int mmio_print_mark(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; const char *msg = entry->field.print.buf; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret; @@ -303,19 +307,19 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data, struct mmiotrace_rw *rw) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_MMIO_RW; entry->field.mmiorw = *rw; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); } @@ -331,19 +335,19 @@ static void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data, struct mmiotrace_map *map) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_MMIO_MAP; entry->field.mmiomap = *map; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); } diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c index 16c9ba060bab..4592b4862515 100644 --- a/kernel/trace/trace_nop.c +++ b/kernel/trace/trace_nop.c @@ -30,7 +30,7 @@ static void nop_trace_init(struct trace_array *tr) ctx_trace = tr; for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); if (tr->ctrl) start_nop_trace(tr); diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index 789e927abc9c..e0b06db0f7af 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -81,7 +81,7 @@ static void sched_switch_reset(struct trace_array *tr) tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static int tracing_sched_register(void) diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index 08206b4e29c4..01e75e0639b7 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -191,7 +191,7 @@ static void __wakeup_reset(struct trace_array *tr) for_each_possible_cpu(cpu) { data = tr->data[cpu]; - tracing_reset(data); + tracing_reset(tr, cpu); } wakeup_cpu = -1; diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c index 5ebd4b135498..09cf230d7eca 100644 --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -18,58 +18,20 @@ static inline int trace_valid_entry(struct trace_entry *entry) return 0; } -static int -trace_test_buffer_cpu(struct trace_array *tr, struct trace_array_cpu *data) +static int trace_test_buffer_cpu(struct trace_array *tr, int cpu) { - struct trace_entry *entries; - struct page *page; - int idx = 0; - int i; + struct ring_buffer_event *event; + struct trace_entry *entry; - BUG_ON(list_empty(&data->trace_pages)); - page = list_entry(data->trace_pages.next, struct page, lru); - entries = page_address(page); + while ((event = ring_buffer_consume(tr->buffer, cpu, NULL))) { + entry = ring_buffer_event_data(event); - check_pages(data); - if (head_page(data) != entries) - goto failed; - - /* - * The starting trace buffer always has valid elements, - * if any element exists. - */ - entries = head_page(data); - - for (i = 0; i < tr->entries; i++) { - - if (i < data->trace_idx && !trace_valid_entry(&entries[idx])) { + if (!trace_valid_entry(entry)) { printk(KERN_CONT ".. invalid entry %d ", - entries[idx].type); + entry->type); goto failed; } - - idx++; - if (idx >= ENTRIES_PER_PAGE) { - page = virt_to_page(entries); - if (page->lru.next == &data->trace_pages) { - if (i != tr->entries - 1) { - printk(KERN_CONT ".. entries buffer mismatch"); - goto failed; - } - } else { - page = list_entry(page->lru.next, struct page, lru); - entries = page_address(page); - } - idx = 0; - } - } - - page = virt_to_page(entries); - if (page->lru.next != &data->trace_pages) { - printk(KERN_CONT ".. too many entries"); - goto failed; } - return 0; failed: @@ -91,13 +53,11 @@ static int trace_test_buffer(struct trace_array *tr, unsigned long *count) /* Don't allow flipping of max traces now */ raw_local_irq_save(flags); __raw_spin_lock(&ftrace_max_lock); - for_each_possible_cpu(cpu) { - if (!head_page(tr->data[cpu])) - continue; - cnt += tr->data[cpu]->trace_idx; + cnt = ring_buffer_entries(tr->buffer); - ret = trace_test_buffer_cpu(tr, tr->data[cpu]); + for_each_possible_cpu(cpu) { + ret = trace_test_buffer_cpu(tr, cpu); if (ret) break; } diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c index db58fb66a135..9587d3bcba55 100644 --- a/kernel/trace/trace_sysprof.c +++ b/kernel/trace/trace_sysprof.c @@ -241,7 +241,7 @@ static void stack_reset(struct trace_array *tr) tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void start_stack_trace(struct trace_array *tr) -- GitLab From 777e208d40d0953efc6fb4ab58590da3f7d8f02d Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Mon, 29 Sep 2008 23:02:42 -0400 Subject: [PATCH 4664/6244] ftrace: take advantage of variable length entries Now that the underlining ring buffer for ftrace now hold variable length entries, we can take advantage of this by only storing the size of the actual event into the buffer. This happens to increase the number of entries in the buffer dramatically. We can also get rid of the "trace_cont" operation, but I'm keeping that until we have no more users. Some of the ftrace tracers can now change their code to adapt to this new feature. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 439 ++++++++++++++++++--------------- kernel/trace/trace.h | 81 +++--- kernel/trace/trace_boot.c | 13 +- kernel/trace/trace_mmiotrace.c | 31 +-- 4 files changed, 301 insertions(+), 263 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ef80793858b8..ed9e47c18810 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -637,9 +637,9 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) pc = preempt_count(); - entry->field.preempt_count = pc & 0xff; - entry->field.pid = (tsk) ? tsk->pid : 0; - entry->field.flags = + entry->preempt_count = pc & 0xff; + entry->pid = (tsk) ? tsk->pid : 0; + entry->flags = (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | ((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) | ((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) | @@ -651,7 +651,7 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, unsigned long ip, unsigned long parent_ip, unsigned long flags) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct ftrace_entry *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -659,10 +659,10 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, flags); - entry->type = TRACE_FN; - entry->field.fn.ip = ip; - entry->field.fn.parent_ip = parent_ip; + tracing_generic_entry_update(&entry->ent, flags); + entry->ent.type = TRACE_FN; + entry->ip = ip; + entry->parent_ip = parent_ip; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); } @@ -680,7 +680,7 @@ void __trace_stack(struct trace_array *tr, int skip) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct stack_entry *entry; struct stack_trace trace; unsigned long irq_flags; @@ -692,15 +692,15 @@ void __trace_stack(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, flags); - entry->type = TRACE_STACK; + tracing_generic_entry_update(&entry->ent, flags); + entry->ent.type = TRACE_STACK; - memset(&entry->field.stack, 0, sizeof(entry->field.stack)); + memset(&entry->caller, 0, sizeof(entry->caller)); trace.nr_entries = 0; trace.max_entries = FTRACE_STACK_ENTRIES; trace.skip = skip; - trace.entries = entry->field.stack.caller; + trace.entries = entry->caller; save_stack_trace(&trace); ring_buffer_unlock_commit(tr->buffer, event, irq_flags); @@ -713,7 +713,7 @@ __trace_special(void *__tr, void *__data, struct ring_buffer_event *event; struct trace_array_cpu *data = __data; struct trace_array *tr = __tr; - struct trace_entry *entry; + struct special_entry *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -721,11 +721,11 @@ __trace_special(void *__tr, void *__data, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_SPECIAL; - entry->field.special.arg1 = arg1; - entry->field.special.arg2 = arg2; - entry->field.special.arg3 = arg3; + tracing_generic_entry_update(&entry->ent, 0); + entry->ent.type = TRACE_SPECIAL; + entry->arg1 = arg1; + entry->arg2 = arg2; + entry->arg3 = arg3; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, irq_flags, 4); @@ -740,7 +740,7 @@ tracing_sched_switch_trace(struct trace_array *tr, unsigned long flags) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct ctx_switch_entry *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -748,15 +748,15 @@ tracing_sched_switch_trace(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, flags); - entry->type = TRACE_CTX; - entry->field.ctx.prev_pid = prev->pid; - entry->field.ctx.prev_prio = prev->prio; - entry->field.ctx.prev_state = prev->state; - entry->field.ctx.next_pid = next->pid; - entry->field.ctx.next_prio = next->prio; - entry->field.ctx.next_state = next->state; - entry->field.ctx.next_cpu = task_cpu(next); + tracing_generic_entry_update(&entry->ent, flags); + entry->ent.type = TRACE_CTX; + entry->prev_pid = prev->pid; + entry->prev_prio = prev->prio; + entry->prev_state = prev->state; + entry->next_pid = next->pid; + entry->next_prio = next->prio; + entry->next_state = next->state; + entry->next_cpu = task_cpu(next); ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, flags, 5); } @@ -769,7 +769,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, unsigned long flags) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct ctx_switch_entry *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -777,15 +777,15 @@ tracing_sched_wakeup_trace(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, flags); - entry->type = TRACE_WAKE; - entry->field.ctx.prev_pid = curr->pid; - entry->field.ctx.prev_prio = curr->prio; - entry->field.ctx.prev_state = curr->state; - entry->field.ctx.next_pid = wakee->pid; - entry->field.ctx.next_prio = wakee->prio; - entry->field.ctx.next_state = wakee->state; - entry->field.ctx.next_cpu = task_cpu(wakee); + tracing_generic_entry_update(&entry->ent, flags); + entry->ent.type = TRACE_WAKE; + entry->prev_pid = curr->pid; + entry->prev_prio = curr->prio; + entry->prev_state = curr->state; + entry->next_pid = wakee->pid; + entry->next_prio = wakee->prio; + entry->next_state = wakee->state; + entry->next_cpu = task_cpu(wakee); ring_buffer_unlock_commit(tr->buffer, event, irq_flags); __trace_stack(tr, data, flags, 6); @@ -1173,20 +1173,19 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter) static void lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) { - struct trace_field *field = &entry->field; int hardirq, softirq; char *comm; - comm = trace_find_cmdline(field->pid); + comm = trace_find_cmdline(entry->pid); - trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid); + trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid); trace_seq_printf(s, "%3d", cpu); trace_seq_printf(s, "%c%c", - (field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', - ((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); + (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.', + ((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.')); - hardirq = field->flags & TRACE_FLAG_HARDIRQ; - softirq = field->flags & TRACE_FLAG_SOFTIRQ; + hardirq = entry->flags & TRACE_FLAG_HARDIRQ; + softirq = entry->flags & TRACE_FLAG_SOFTIRQ; if (hardirq && softirq) { trace_seq_putc(s, 'H'); } else { @@ -1200,8 +1199,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu) } } - if (field->preempt_count) - trace_seq_printf(s, "%x", field->preempt_count); + if (entry->preempt_count) + trace_seq_printf(s, "%x", entry->preempt_count); else trace_seq_puts(s, "."); } @@ -1230,6 +1229,7 @@ static const char state_to_char[] = TASK_STATE_TO_CHAR_STR; void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) { struct trace_entry *ent; + struct trace_field_cont *cont; bool ok = true; ent = peek_next_entry(iter, iter->cpu, NULL); @@ -1239,8 +1239,9 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) } do { + cont = (struct trace_field_cont *)ent; if (ok) - ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0); + ok = (trace_seq_printf(s, "%s", cont->buf) > 0); ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); ent = peek_next_entry(iter, iter->cpu, NULL); } while (ent && ent->type == TRACE_CONT); @@ -1257,7 +1258,6 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) struct trace_entry *next_entry; unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE); struct trace_entry *entry = iter->ent; - struct trace_field *field = &entry->field; unsigned long abs_usecs; unsigned long rel_usecs; u64 next_ts; @@ -1276,12 +1276,12 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) abs_usecs = ns2usecs(iter->ts - iter->tr->time_start); if (verbose) { - comm = trace_find_cmdline(field->pid); + comm = trace_find_cmdline(entry->pid); trace_seq_printf(s, "%16s %5d %3d %d %08x %08x [%08lx]" " %ld.%03ldms (+%ld.%03ldms): ", comm, - field->pid, cpu, field->flags, - field->preempt_count, trace_idx, + entry->pid, cpu, entry->flags, + entry->preempt_count, trace_idx, ns2usecs(iter->ts), abs_usecs/1000, abs_usecs % 1000, rel_usecs/1000, @@ -1291,53 +1291,69 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) lat_print_timestamp(s, abs_usecs, rel_usecs); } switch (entry->type) { - case TRACE_FN: - seq_print_ip_sym(s, field->fn.ip, sym_flags); + case TRACE_FN: { + struct ftrace_entry *field = (struct ftrace_entry *)entry; + + seq_print_ip_sym(s, field->ip, sym_flags); trace_seq_puts(s, " ("); - if (kretprobed(field->fn.parent_ip)) + if (kretprobed(field->parent_ip)) trace_seq_puts(s, KRETPROBE_MSG); else - seq_print_ip_sym(s, field->fn.parent_ip, sym_flags); + seq_print_ip_sym(s, field->parent_ip, sym_flags); trace_seq_puts(s, ")\n"); break; + } case TRACE_CTX: - case TRACE_WAKE: - T = field->ctx.next_state < sizeof(state_to_char) ? - state_to_char[field->ctx.next_state] : 'X'; + case TRACE_WAKE: { + struct ctx_switch_entry *field = + (struct ctx_switch_entry *)entry; + + T = field->next_state < sizeof(state_to_char) ? + state_to_char[field->next_state] : 'X'; - state = field->ctx.prev_state ? - __ffs(field->ctx.prev_state) + 1 : 0; + state = field->prev_state ? + __ffs(field->prev_state) + 1 : 0; S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X'; - comm = trace_find_cmdline(field->ctx.next_pid); + comm = trace_find_cmdline(field->next_pid); trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n", - field->ctx.prev_pid, - field->ctx.prev_prio, + field->prev_pid, + field->prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", - field->ctx.next_cpu, - field->ctx.next_pid, - field->ctx.next_prio, + field->next_cpu, + field->next_pid, + field->next_prio, T, comm); break; - case TRACE_SPECIAL: + } + case TRACE_SPECIAL: { + struct special_entry *field = (struct special_entry *)entry; + trace_seq_printf(s, "# %ld %ld %ld\n", - field->special.arg1, - field->special.arg2, - field->special.arg3); + field->arg1, + field->arg2, + field->arg3); break; - case TRACE_STACK: + } + case TRACE_STACK: { + struct stack_entry *field = (struct stack_entry *)entry; + for (i = 0; i < FTRACE_STACK_ENTRIES; i++) { if (i) trace_seq_puts(s, " <= "); - seq_print_ip_sym(s, field->stack.caller[i], sym_flags); + seq_print_ip_sym(s, field->caller[i], sym_flags); } trace_seq_puts(s, "\n"); break; - case TRACE_PRINT: - seq_print_ip_sym(s, field->print.ip, sym_flags); - trace_seq_printf(s, ": %s", field->print.buf); - if (field->flags & TRACE_FLAG_CONT) + } + case TRACE_PRINT: { + struct print_entry *field = (struct print_entry *)entry; + + seq_print_ip_sym(s, field->ip, sym_flags); + trace_seq_printf(s, ": %s", field->buf); + if (entry->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; + } default: trace_seq_printf(s, "Unknown type %d\n", entry->type); } @@ -1349,7 +1365,6 @@ static int print_trace_fmt(struct trace_iterator *iter) struct trace_seq *s = &iter->seq; unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); struct trace_entry *entry; - struct trace_field *field; unsigned long usec_rem; unsigned long long t; unsigned long secs; @@ -1363,15 +1378,13 @@ static int print_trace_fmt(struct trace_iterator *iter) if (entry->type == TRACE_CONT) return 1; - field = &entry->field; - - comm = trace_find_cmdline(iter->ent->field.pid); + comm = trace_find_cmdline(iter->ent->pid); t = ns2usecs(iter->ts); usec_rem = do_div(t, 1000000ULL); secs = (unsigned long)t; - ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid); + ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid); if (!ret) return 0; ret = trace_seq_printf(s, "[%03d] ", iter->cpu); @@ -1382,20 +1395,22 @@ static int print_trace_fmt(struct trace_iterator *iter) return 0; switch (entry->type) { - case TRACE_FN: - ret = seq_print_ip_sym(s, field->fn.ip, sym_flags); + case TRACE_FN: { + struct ftrace_entry *field = (struct ftrace_entry *)entry; + + ret = seq_print_ip_sym(s, field->ip, sym_flags); if (!ret) return 0; if ((sym_flags & TRACE_ITER_PRINT_PARENT) && - field->fn.parent_ip) { + field->parent_ip) { ret = trace_seq_printf(s, " <-"); if (!ret) return 0; - if (kretprobed(field->fn.parent_ip)) + if (kretprobed(field->parent_ip)) ret = trace_seq_puts(s, KRETPROBE_MSG); else ret = seq_print_ip_sym(s, - field->fn.parent_ip, + field->parent_ip, sym_flags); if (!ret) return 0; @@ -1404,40 +1419,50 @@ static int print_trace_fmt(struct trace_iterator *iter) if (!ret) return 0; break; + } case TRACE_CTX: - case TRACE_WAKE: - S = field->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[field->ctx.prev_state] : 'X'; - T = field->ctx.next_state < sizeof(state_to_char) ? - state_to_char[field->ctx.next_state] : 'X'; + case TRACE_WAKE: { + struct ctx_switch_entry *field = + (struct ctx_switch_entry *)entry; + + S = field->prev_state < sizeof(state_to_char) ? + state_to_char[field->prev_state] : 'X'; + T = field->next_state < sizeof(state_to_char) ? + state_to_char[field->next_state] : 'X'; ret = trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c\n", - field->ctx.prev_pid, - field->ctx.prev_prio, + field->prev_pid, + field->prev_prio, S, entry->type == TRACE_CTX ? "==>" : " +", - field->ctx.next_cpu, - field->ctx.next_pid, - field->ctx.next_prio, + field->next_cpu, + field->next_pid, + field->next_prio, T); if (!ret) return 0; break; - case TRACE_SPECIAL: + } + case TRACE_SPECIAL: { + struct special_entry *field = (struct special_entry *)entry; + ret = trace_seq_printf(s, "# %ld %ld %ld\n", - field->special.arg1, - field->special.arg2, - field->special.arg3); + field->arg1, + field->arg2, + field->arg3); if (!ret) return 0; break; - case TRACE_STACK: + } + case TRACE_STACK: { + struct stack_entry *field = (struct stack_entry *)entry; + for (i = 0; i < FTRACE_STACK_ENTRIES; i++) { if (i) { ret = trace_seq_puts(s, " <= "); if (!ret) return 0; } - ret = seq_print_ip_sym(s, field->stack.caller[i], + ret = seq_print_ip_sym(s, field->caller[i], sym_flags); if (!ret) return 0; @@ -1446,13 +1471,17 @@ static int print_trace_fmt(struct trace_iterator *iter) if (!ret) return 0; break; - case TRACE_PRINT: - seq_print_ip_sym(s, field->print.ip, sym_flags); - trace_seq_printf(s, ": %s", field->print.buf); - if (field->flags & TRACE_FLAG_CONT) + } + case TRACE_PRINT: { + struct print_entry *field = (struct print_entry *)entry; + + seq_print_ip_sym(s, field->ip, sym_flags); + trace_seq_printf(s, ": %s", field->buf); + if (entry->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; } + } return 1; } @@ -1460,7 +1489,6 @@ static int print_raw_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; - struct trace_field *field; int ret; int S, T; @@ -1469,56 +1497,66 @@ static int print_raw_fmt(struct trace_iterator *iter) if (entry->type == TRACE_CONT) return 1; - field = &entry->field; - ret = trace_seq_printf(s, "%d %d %llu ", - field->pid, iter->cpu, iter->ts); + entry->pid, iter->cpu, iter->ts); if (!ret) return 0; switch (entry->type) { - case TRACE_FN: + case TRACE_FN: { + struct ftrace_entry *field = (struct ftrace_entry *)entry; + ret = trace_seq_printf(s, "%x %x\n", - field->fn.ip, - field->fn.parent_ip); + field->ip, + field->parent_ip); if (!ret) return 0; break; + } case TRACE_CTX: - case TRACE_WAKE: - S = field->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[field->ctx.prev_state] : 'X'; - T = field->ctx.next_state < sizeof(state_to_char) ? - state_to_char[field->ctx.next_state] : 'X'; + case TRACE_WAKE: { + struct ctx_switch_entry *field = + (struct ctx_switch_entry *)entry; + + S = field->prev_state < sizeof(state_to_char) ? + state_to_char[field->prev_state] : 'X'; + T = field->next_state < sizeof(state_to_char) ? + state_to_char[field->next_state] : 'X'; if (entry->type == TRACE_WAKE) S = '+'; ret = trace_seq_printf(s, "%d %d %c %d %d %d %c\n", - field->ctx.prev_pid, - field->ctx.prev_prio, + field->prev_pid, + field->prev_prio, S, - field->ctx.next_cpu, - field->ctx.next_pid, - field->ctx.next_prio, + field->next_cpu, + field->next_pid, + field->next_prio, T); if (!ret) return 0; break; + } case TRACE_SPECIAL: - case TRACE_STACK: + case TRACE_STACK: { + struct special_entry *field = (struct special_entry *)entry; + ret = trace_seq_printf(s, "# %ld %ld %ld\n", - field->special.arg1, - field->special.arg2, - field->special.arg3); + field->arg1, + field->arg2, + field->arg3); if (!ret) return 0; break; - case TRACE_PRINT: - trace_seq_printf(s, "# %lx %s", - field->print.ip, field->print.buf); - if (field->flags & TRACE_FLAG_CONT) + } + case TRACE_PRINT: { + struct print_entry *field = (struct print_entry *)entry; + + trace_seq_printf(s, "# %lx %s", field->ip, field->buf); + if (entry->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); break; } + } return 1; } @@ -1539,7 +1577,6 @@ static int print_hex_fmt(struct trace_iterator *iter) struct trace_seq *s = &iter->seq; unsigned char newline = '\n'; struct trace_entry *entry; - struct trace_field *field; int S, T; entry = iter->ent; @@ -1547,40 +1584,48 @@ static int print_hex_fmt(struct trace_iterator *iter) if (entry->type == TRACE_CONT) return 1; - field = &entry->field; - - SEQ_PUT_HEX_FIELD_RET(s, field->pid); + SEQ_PUT_HEX_FIELD_RET(s, entry->pid); SEQ_PUT_HEX_FIELD_RET(s, iter->cpu); SEQ_PUT_HEX_FIELD_RET(s, iter->ts); switch (entry->type) { - case TRACE_FN: - SEQ_PUT_HEX_FIELD_RET(s, field->fn.ip); - SEQ_PUT_HEX_FIELD_RET(s, field->fn.parent_ip); + case TRACE_FN: { + struct ftrace_entry *field = (struct ftrace_entry *)entry; + + SEQ_PUT_HEX_FIELD_RET(s, field->ip); + SEQ_PUT_HEX_FIELD_RET(s, field->parent_ip); break; + } case TRACE_CTX: - case TRACE_WAKE: - S = field->ctx.prev_state < sizeof(state_to_char) ? - state_to_char[field->ctx.prev_state] : 'X'; - T = field->ctx.next_state < sizeof(state_to_char) ? - state_to_char[field->ctx.next_state] : 'X'; + case TRACE_WAKE: { + struct ctx_switch_entry *field = + (struct ctx_switch_entry *)entry; + + S = field->prev_state < sizeof(state_to_char) ? + state_to_char[field->prev_state] : 'X'; + T = field->next_state < sizeof(state_to_char) ? + state_to_char[field->next_state] : 'X'; if (entry->type == TRACE_WAKE) S = '+'; - SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid); - SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio); + SEQ_PUT_HEX_FIELD_RET(s, field->prev_pid); + SEQ_PUT_HEX_FIELD_RET(s, field->prev_prio); SEQ_PUT_HEX_FIELD_RET(s, S); - SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_cpu); - SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid); - SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio); + SEQ_PUT_HEX_FIELD_RET(s, field->next_cpu); + SEQ_PUT_HEX_FIELD_RET(s, field->next_pid); + SEQ_PUT_HEX_FIELD_RET(s, field->next_prio); SEQ_PUT_HEX_FIELD_RET(s, T); break; + } case TRACE_SPECIAL: - case TRACE_STACK: - SEQ_PUT_HEX_FIELD_RET(s, field->special.arg1); - SEQ_PUT_HEX_FIELD_RET(s, field->special.arg2); - SEQ_PUT_HEX_FIELD_RET(s, field->special.arg3); + case TRACE_STACK: { + struct special_entry *field = (struct special_entry *)entry; + + SEQ_PUT_HEX_FIELD_RET(s, field->arg1); + SEQ_PUT_HEX_FIELD_RET(s, field->arg2); + SEQ_PUT_HEX_FIELD_RET(s, field->arg3); break; } + } SEQ_PUT_FIELD_RET(s, newline); return 1; @@ -1590,39 +1635,46 @@ static int print_bin_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; - struct trace_field *field; entry = iter->ent; if (entry->type == TRACE_CONT) return 1; - field = &entry->field; - - SEQ_PUT_FIELD_RET(s, field->pid); - SEQ_PUT_FIELD_RET(s, field->cpu); + SEQ_PUT_FIELD_RET(s, entry->pid); + SEQ_PUT_FIELD_RET(s, iter->cpu); SEQ_PUT_FIELD_RET(s, iter->ts); switch (entry->type) { - case TRACE_FN: - SEQ_PUT_FIELD_RET(s, field->fn.ip); - SEQ_PUT_FIELD_RET(s, field->fn.parent_ip); + case TRACE_FN: { + struct ftrace_entry *field = (struct ftrace_entry *)entry; + + SEQ_PUT_FIELD_RET(s, field->ip); + SEQ_PUT_FIELD_RET(s, field->parent_ip); break; - case TRACE_CTX: - SEQ_PUT_FIELD_RET(s, field->ctx.prev_pid); - SEQ_PUT_FIELD_RET(s, field->ctx.prev_prio); - SEQ_PUT_FIELD_RET(s, field->ctx.prev_state); - SEQ_PUT_FIELD_RET(s, field->ctx.next_pid); - SEQ_PUT_FIELD_RET(s, field->ctx.next_prio); - SEQ_PUT_FIELD_RET(s, field->ctx.next_state); + } + case TRACE_CTX: { + struct ctx_switch_entry *field = + (struct ctx_switch_entry *)entry; + + SEQ_PUT_FIELD_RET(s, field->prev_pid); + SEQ_PUT_FIELD_RET(s, field->prev_prio); + SEQ_PUT_FIELD_RET(s, field->prev_state); + SEQ_PUT_FIELD_RET(s, field->next_pid); + SEQ_PUT_FIELD_RET(s, field->next_prio); + SEQ_PUT_FIELD_RET(s, field->next_state); break; + } case TRACE_SPECIAL: - case TRACE_STACK: - SEQ_PUT_FIELD_RET(s, field->special.arg1); - SEQ_PUT_FIELD_RET(s, field->special.arg2); - SEQ_PUT_FIELD_RET(s, field->special.arg3); + case TRACE_STACK: { + struct special_entry *field = (struct special_entry *)entry; + + SEQ_PUT_FIELD_RET(s, field->arg1); + SEQ_PUT_FIELD_RET(s, field->arg2); + SEQ_PUT_FIELD_RET(s, field->arg3); break; } + } return 1; } @@ -2818,10 +2870,10 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) struct ring_buffer_event *event; struct trace_array *tr = &global_trace; struct trace_array_cpu *data; - struct trace_entry *entry; + struct print_entry *entry; unsigned long flags, irq_flags; long disabled; - int cpu, len = 0, write, written = 0; + int cpu, len = 0, size; if (!tr->ctrl || tracing_disabled) return 0; @@ -2840,40 +2892,19 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) len = min(len, TRACE_BUF_SIZE-1); trace_buf[len] = 0; - event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), - &irq_flags); + size = sizeof(*entry) + len + 1; + event = ring_buffer_lock_reserve(tr->buffer, size, &irq_flags); if (!event) goto out_unlock; - entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, flags); - entry->type = TRACE_PRINT; - entry->field.print.ip = ip; + entry = ring_buffer_event_data(event); + tracing_generic_entry_update(&entry->ent, flags); + entry->ent.type = TRACE_PRINT; + entry->ip = ip; - write = min(len, (int)(TRACE_PRINT_BUF_SIZE-1)); - - memcpy(&entry->field.print.buf, trace_buf, write); - entry->field.print.buf[write] = 0; - written = write; + memcpy(&entry->buf, trace_buf, len); + entry->buf[len] = 0; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - if (written != len) - entry->field.flags |= TRACE_FLAG_CONT; - - while (written != len) { - event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), - &irq_flags); - if (!event) - goto out_unlock; - entry = ring_buffer_event_data(event); - - entry->type = TRACE_CONT; - write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1)); - memcpy(&entry->cont.buf, trace_buf+written, write); - entry->cont.buf[write] = 0; - written += write; - ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - } - out_unlock: spin_unlock(&trace_buf_lock); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f6965f775b43..e541a6b7e312 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -26,10 +26,25 @@ enum trace_type { __TRACE_LAST_TYPE }; +/* + * The trace entry - the most basic unit of tracing. This is what + * is printed in the end as a single line in the trace output, such as: + * + * bash-15816 [01] 235.197585: idle_cpu <- irq_enter + */ +struct trace_entry { + unsigned char type; + unsigned char cpu; + unsigned char flags; + unsigned char preempt_count; + int pid; +}; + /* * Function trace entry - function address and parent function addres: */ struct ftrace_entry { + struct trace_entry ent; unsigned long ip; unsigned long parent_ip; }; @@ -39,6 +54,7 @@ extern struct tracer boot_tracer; * Context switch trace entry - which task (and prio) we switched from/to: */ struct ctx_switch_entry { + struct trace_entry ent; unsigned int prev_pid; unsigned char prev_prio; unsigned char prev_state; @@ -52,6 +68,7 @@ struct ctx_switch_entry { * Special (free-form) trace entry: */ struct special_entry { + struct trace_entry ent; unsigned long arg1; unsigned long arg2; unsigned long arg3; @@ -64,6 +81,7 @@ struct special_entry { #define FTRACE_STACK_ENTRIES 8 struct stack_entry { + struct trace_entry ent; unsigned long caller[FTRACE_STACK_ENTRIES]; }; @@ -71,10 +89,34 @@ struct stack_entry { * ftrace_printk entry: */ struct print_entry { + struct trace_entry ent; unsigned long ip; char buf[]; }; +#define TRACE_OLD_SIZE 88 + +struct trace_field_cont { + unsigned char type; + /* Temporary till we get rid of this completely */ + char buf[TRACE_OLD_SIZE - 1]; +}; + +struct trace_mmiotrace_rw { + struct trace_entry ent; + struct mmiotrace_rw rw; +}; + +struct trace_mmiotrace_map { + struct trace_entry ent; + struct mmiotrace_map map; +}; + +struct trace_boot { + struct trace_entry ent; + struct boot_trace initcall; +}; + /* * trace_flag_type is an enumeration that holds different * states when a trace occurs. These are: @@ -92,46 +134,7 @@ enum trace_flag_type { TRACE_FLAG_CONT = 0x10, }; -/* - * The trace field - the most basic unit of tracing. This is what - * is printed in the end as a single line in the trace output, such as: - * - * bash-15816 [01] 235.197585: idle_cpu <- irq_enter - */ -struct trace_field { - char cpu; - char flags; - char preempt_count; - int pid; - union { - struct ftrace_entry fn; - struct ctx_switch_entry ctx; - struct special_entry special; - struct stack_entry stack; - struct print_entry print; - struct mmiotrace_rw mmiorw; - struct mmiotrace_map mmiomap; - struct boot_trace initcall; - }; -}; - -struct trace_field_cont { - char buf[sizeof(struct trace_field)]; -}; - -struct trace_entry { - char type; - union { - struct trace_field field; - struct trace_field_cont cont; - }; -}; - -#define TRACE_ENTRY_SIZE sizeof(struct trace_entry) #define TRACE_BUF_SIZE 1024 -#define TRACE_PRINT_BUF_SIZE \ - (sizeof(struct trace_field) - offsetof(struct trace_field, print.buf)) -#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field) /* * The CPU trace array - it consists of thousands of trace entries diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index 3657eec6b87d..fa8cca1be115 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -49,10 +49,11 @@ static int initcall_print_line(struct trace_iterator *iter) { int ret = 0; struct trace_entry *entry = iter->ent; - struct boot_trace *it = &entry->field.initcall; + struct trace_boot *field = (struct trace_boot *)entry; + struct boot_trace *it = &field->initcall; struct trace_seq *s = &iter->seq; - if (iter->ent->type == TRACE_BOOT) + if (entry->type == TRACE_BOOT) ret = trace_seq_printf(s, "%pF called from %i " "returned %d after %lld msecs\n", it->func, it->caller, it->result, @@ -75,7 +76,7 @@ struct tracer boot_tracer __read_mostly = void trace_boot(struct boot_trace *it) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct trace_boot *entry; struct trace_array_cpu *data; unsigned long irq_flags; struct trace_array *tr = boot_trace; @@ -91,9 +92,9 @@ void trace_boot(struct boot_trace *it) if (!event) goto out; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_BOOT; - entry->field.initcall = *it; + tracing_generic_entry_update(&entry->ent, 0); + entry->ent.type = TRACE_BOOT; + entry->initcall = *it; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index bdbf09d8413c..3df441ea2749 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -178,14 +178,16 @@ print_out: static int mmio_print_rw(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct mmiotrace_rw *rw = &entry->field.mmiorw; + struct trace_mmiotrace_rw *field = + (struct trace_mmiotrace_rw *)entry; + struct mmiotrace_rw *rw = &field->rw; struct trace_seq *s = &iter->seq; unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; - switch (entry->field.mmiorw.opcode) { + switch (rw->opcode) { case MMIO_READ: ret = trace_seq_printf(s, "R %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n", @@ -220,14 +222,14 @@ static int mmio_print_rw(struct trace_iterator *iter) static int mmio_print_map(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct mmiotrace_map *m = &entry->field.mmiomap; + struct mmiotrace_map *m = (struct mmiotrace_map *)entry; struct trace_seq *s = &iter->seq; unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; - switch (entry->field.mmiorw.opcode) { + switch (m->opcode) { case MMIO_PROBE: ret = trace_seq_printf(s, "MAP %lu.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n", @@ -252,7 +254,8 @@ static int mmio_print_map(struct trace_iterator *iter) static int mmio_print_mark(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - const char *msg = entry->field.print.buf; + struct print_entry *print = (struct print_entry *)entry; + const char *msg = print->buf; struct trace_seq *s = &iter->seq; unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); @@ -264,7 +267,7 @@ static int mmio_print_mark(struct trace_iterator *iter) if (!ret) return 0; - if (entry->field.flags & TRACE_FLAG_CONT) + if (entry->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); return 1; @@ -308,7 +311,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, struct mmiotrace_rw *rw) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct trace_mmiotrace_rw *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -316,9 +319,9 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_RW; - entry->field.mmiorw = *rw; + tracing_generic_entry_update(&entry->ent, 0); + entry->ent.type = TRACE_MMIO_RW; + entry->rw = *rw; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); @@ -336,7 +339,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr, struct mmiotrace_map *map) { struct ring_buffer_event *event; - struct trace_entry *entry; + struct trace_mmiotrace_map *entry; unsigned long irq_flags; event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), @@ -344,9 +347,9 @@ static void __trace_mmiotrace_map(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(entry, 0); - entry->type = TRACE_MMIO_MAP; - entry->field.mmiomap = *map; + tracing_generic_entry_update(&entry->ent, 0); + entry->ent.type = TRACE_MMIO_MAP; + entry->map = *map; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); -- GitLab From 2c4f035f6c3e8fda661eb6105aa51ef07aa71607 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Mon, 29 Sep 2008 20:18:34 +0200 Subject: [PATCH 4665/6244] tracing/ftrace: change the type of the print_line callback We need a kind of disambiguation when a print_line callback returns 0. _There is not enough space to print all the entry. Please flush the seq and retry. _I can't handle this type of entry This patch changes the type of this callback for better information. Also some changes have been made in this V2. _ Only relay to default functions after the print_line callback fails. _ This patch doesn't fix the issue with the broken pipe (see patch 2/4 for that) Some things are still in discussion: _ Find better names for the enum print_line_t values _ Change the type of print_trace_line into boolean. Patches to change that can be sent later. Signed-off-by: Frederic Weisbecker Acked-by: Pekka Paalanen Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 77 +++++++++++++++++++++++--------------------- kernel/trace/trace.h | 10 +++++- 2 files changed, 50 insertions(+), 37 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ed9e47c18810..b38a4bb40548 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1250,7 +1250,7 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) trace_seq_putc(s, '\n'); } -static int +static enum print_line_t print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) { struct trace_seq *s = &iter->seq; @@ -1267,7 +1267,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) unsigned state; if (entry->type == TRACE_CONT) - return 1; + return TRACE_TYPE_HANDLED; next_entry = find_next_entry(iter, NULL, &next_ts); if (!next_entry) @@ -1357,10 +1357,10 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) default: trace_seq_printf(s, "Unknown type %d\n", entry->type); } - return 1; + return TRACE_TYPE_HANDLED; } -static int print_trace_fmt(struct trace_iterator *iter) +static enum print_line_t print_trace_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK); @@ -1376,7 +1376,7 @@ static int print_trace_fmt(struct trace_iterator *iter) entry = iter->ent; if (entry->type == TRACE_CONT) - return 1; + return TRACE_TYPE_HANDLED; comm = trace_find_cmdline(iter->ent->pid); @@ -1386,13 +1386,13 @@ static int print_trace_fmt(struct trace_iterator *iter) ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; ret = trace_seq_printf(s, "[%03d] ", iter->cpu); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; switch (entry->type) { case TRACE_FN: { @@ -1400,12 +1400,12 @@ static int print_trace_fmt(struct trace_iterator *iter) ret = seq_print_ip_sym(s, field->ip, sym_flags); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; if ((sym_flags & TRACE_ITER_PRINT_PARENT) && field->parent_ip) { ret = trace_seq_printf(s, " <-"); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; if (kretprobed(field->parent_ip)) ret = trace_seq_puts(s, KRETPROBE_MSG); else @@ -1413,11 +1413,11 @@ static int print_trace_fmt(struct trace_iterator *iter) field->parent_ip, sym_flags); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; } ret = trace_seq_printf(s, "\n"); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_CTX: @@ -1439,7 +1439,7 @@ static int print_trace_fmt(struct trace_iterator *iter) field->next_prio, T); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_SPECIAL: { @@ -1450,7 +1450,7 @@ static int print_trace_fmt(struct trace_iterator *iter) field->arg2, field->arg3); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_STACK: { @@ -1460,16 +1460,16 @@ static int print_trace_fmt(struct trace_iterator *iter) if (i) { ret = trace_seq_puts(s, " <= "); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; } ret = seq_print_ip_sym(s, field->caller[i], sym_flags); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; } ret = trace_seq_puts(s, "\n"); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_PRINT: { @@ -1482,10 +1482,10 @@ static int print_trace_fmt(struct trace_iterator *iter) break; } } - return 1; + return TRACE_TYPE_HANDLED; } -static int print_raw_fmt(struct trace_iterator *iter) +static enum print_line_t print_raw_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; @@ -1495,12 +1495,12 @@ static int print_raw_fmt(struct trace_iterator *iter) entry = iter->ent; if (entry->type == TRACE_CONT) - return 1; + return TRACE_TYPE_HANDLED; ret = trace_seq_printf(s, "%d %d %llu ", entry->pid, iter->cpu, iter->ts); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; switch (entry->type) { case TRACE_FN: { @@ -1510,7 +1510,7 @@ static int print_raw_fmt(struct trace_iterator *iter) field->ip, field->parent_ip); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_CTX: @@ -1533,7 +1533,7 @@ static int print_raw_fmt(struct trace_iterator *iter) field->next_prio, T); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_SPECIAL: @@ -1545,7 +1545,7 @@ static int print_raw_fmt(struct trace_iterator *iter) field->arg2, field->arg3); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; break; } case TRACE_PRINT: { @@ -1557,7 +1557,7 @@ static int print_raw_fmt(struct trace_iterator *iter) break; } } - return 1; + return TRACE_TYPE_HANDLED; } #define SEQ_PUT_FIELD_RET(s, x) \ @@ -1572,7 +1572,7 @@ do { \ return 0; \ } while (0) -static int print_hex_fmt(struct trace_iterator *iter) +static enum print_line_t print_hex_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; unsigned char newline = '\n'; @@ -1582,7 +1582,7 @@ static int print_hex_fmt(struct trace_iterator *iter) entry = iter->ent; if (entry->type == TRACE_CONT) - return 1; + return TRACE_TYPE_HANDLED; SEQ_PUT_HEX_FIELD_RET(s, entry->pid); SEQ_PUT_HEX_FIELD_RET(s, iter->cpu); @@ -1628,10 +1628,10 @@ static int print_hex_fmt(struct trace_iterator *iter) } SEQ_PUT_FIELD_RET(s, newline); - return 1; + return TRACE_TYPE_HANDLED; } -static int print_bin_fmt(struct trace_iterator *iter) +static enum print_line_t print_bin_fmt(struct trace_iterator *iter) { struct trace_seq *s = &iter->seq; struct trace_entry *entry; @@ -1639,7 +1639,7 @@ static int print_bin_fmt(struct trace_iterator *iter) entry = iter->ent; if (entry->type == TRACE_CONT) - return 1; + return TRACE_TYPE_HANDLED; SEQ_PUT_FIELD_RET(s, entry->pid); SEQ_PUT_FIELD_RET(s, iter->cpu); @@ -1686,13 +1686,18 @@ static int trace_empty(struct trace_iterator *iter) if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) return 0; } - return 1; + return TRACE_TYPE_HANDLED; } -static int print_trace_line(struct trace_iterator *iter) +static enum print_line_t print_trace_line(struct trace_iterator *iter) { - if (iter->trace && iter->trace->print_line) - return iter->trace->print_line(iter); + enum print_line_t ret; + + if (iter->trace && iter->trace->print_line) { + ret = iter->trace->print_line(iter); + if (ret != TRACE_TYPE_UNHANDLED) + return ret; + } if (trace_flags & TRACE_ITER_BIN) return print_bin_fmt(iter); @@ -2525,11 +2530,11 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, ring_buffer_lock(iter->tr->buffer, &flags); while (find_next_entry_inc(iter) != NULL) { - int ret; + enum print_line_t ret; int len = iter->seq.len; ret = print_trace_line(iter); - if (!ret) { + if (ret == TRACE_TYPE_PARTIAL_LINE) { /* don't print partial lines */ iter->seq.len = len; break; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index e541a6b7e312..a921ba5d292d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -177,6 +177,14 @@ struct trace_array { struct trace_array_cpu *data[NR_CPUS]; }; + +/* Return values for print_line callback */ +enum print_line_t { + TRACE_TYPE_PARTIAL_LINE = 0, /* Retry after flushing the seq */ + TRACE_TYPE_HANDLED = 1, + TRACE_TYPE_UNHANDLED = 2 /* Relay to other output functions */ +}; + /* * A specific tracer, represented by methods that operate on a trace array: */ @@ -197,7 +205,7 @@ struct tracer { int (*selftest)(struct tracer *trace, struct trace_array *tr); #endif - int (*print_line)(struct trace_iterator *iter); + enum print_line_t (*print_line)(struct trace_iterator *iter); struct tracer *next; int print_max; }; -- GitLab From 9ff4b9744c187cae58c3774361ea090addbc4130 Mon Sep 17 00:00:00 2001 From: Pekka Paalanen Date: Mon, 29 Sep 2008 20:23:48 +0200 Subject: [PATCH 4666/6244] tracing/ftrace: fix pipe breaking This patch fixes a bug which break the pipe when the seq is empty. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b38a4bb40548..6a1c76bb56ba 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2439,7 +2439,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, sret = trace_seq_to_user(&iter->seq, ubuf, cnt); if (sret != -EBUSY) return sret; - sret = 0; trace_seq_reset(&iter->seq); @@ -2450,6 +2449,8 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, goto out; } +waitagain: + sret = 0; while (trace_empty(iter)) { if ((filp->f_flags & O_NONBLOCK)) { @@ -2556,8 +2557,13 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, sret = trace_seq_to_user(&iter->seq, ubuf, cnt); if (iter->seq.readpos >= iter->seq.len) trace_seq_reset(&iter->seq); + + /* + * If there was nothing to send to user, inspite of consuming trace + * entries, go back to wait for more entries. + */ if (sret == -EBUSY) - sret = 0; + goto waitagain; out: mutex_unlock(&trace_types_lock); -- GitLab From 07f4e4f790895d55f46aaf89e7437da4a585989c Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Mon, 29 Sep 2008 20:27:42 +0200 Subject: [PATCH 4667/6244] tracing/ftrace: adapt mmiotrace to the new type of print_line Adapt mmiotrace to the new print_line type. By default, it ignores (and consumes) types it doesn't support. Signed-off-by: Frederic Weisbecker Acked-by: Pekka Paalanen Signed-off-by: Ingo Molnar --- kernel/trace/trace_mmiotrace.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 3df441ea2749..1a266aa08e1a 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -175,7 +175,7 @@ print_out: return (ret == -EBUSY) ? 0 : ret; } -static int mmio_print_rw(struct trace_iterator *iter) +static enum print_line_t mmio_print_rw(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; struct trace_mmiotrace_rw *field = @@ -215,11 +215,11 @@ static int mmio_print_rw(struct trace_iterator *iter) break; } if (ret) - return 1; - return 0; + return TRACE_TYPE_HANDLED; + return TRACE_TYPE_PARTIAL_LINE; } -static int mmio_print_map(struct trace_iterator *iter) +static enum print_line_t mmio_print_map(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; struct mmiotrace_map *m = (struct mmiotrace_map *)entry; @@ -227,7 +227,7 @@ static int mmio_print_map(struct trace_iterator *iter) unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; - int ret = 1; + int ret; switch (m->opcode) { case MMIO_PROBE: @@ -247,11 +247,11 @@ static int mmio_print_map(struct trace_iterator *iter) break; } if (ret) - return 1; - return 0; + return TRACE_TYPE_HANDLED; + return TRACE_TYPE_PARTIAL_LINE; } -static int mmio_print_mark(struct trace_iterator *iter) +static enum print_line_t mmio_print_mark(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; struct print_entry *print = (struct print_entry *)entry; @@ -265,16 +265,15 @@ static int mmio_print_mark(struct trace_iterator *iter) /* The trailing newline must be in the message. */ ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg); if (!ret) - return 0; + return TRACE_TYPE_PARTIAL_LINE; if (entry->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); - return 1; + return TRACE_TYPE_HANDLED; } -/* return 0 to abort printing without consuming current entry in pipe mode */ -static int mmio_print_line(struct trace_iterator *iter) +static enum print_line_t mmio_print_line(struct trace_iterator *iter) { switch (iter->ent->type) { case TRACE_MMIO_RW: @@ -284,7 +283,7 @@ static int mmio_print_line(struct trace_iterator *iter) case TRACE_PRINT: return mmio_print_mark(iter); default: - return 1; /* ignore unknown entries */ + return TRACE_TYPE_HANDLED; /* ignore unknown entries */ } } -- GitLab From 9e9efffb7848fe53c334996819139b431b983ac2 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Mon, 29 Sep 2008 20:31:58 +0200 Subject: [PATCH 4668/6244] tracing/ftrace: adapt the boot tracer to the new print_line type This patch adapts the boot tracer to the new type of the print_line callback. It still relays entries it doesn't support to default output functions. Signed-off-by: Frederic Weisbecker Acked-by: Pekka Paalanen Signed-off-by: Ingo Molnar --- kernel/trace/trace_boot.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index fa8cca1be115..43bde20b95bd 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -45,22 +45,25 @@ static void boot_trace_ctrl_update(struct trace_array *tr) stop_boot_trace(tr); } -static int initcall_print_line(struct trace_iterator *iter) +static enum print_line_t initcall_print_line(struct trace_iterator *iter) { - int ret = 0; + int ret; struct trace_entry *entry = iter->ent; struct trace_boot *field = (struct trace_boot *)entry; struct boot_trace *it = &field->initcall; struct trace_seq *s = &iter->seq; - if (entry->type == TRACE_BOOT) + if (entry->type == TRACE_BOOT) { ret = trace_seq_printf(s, "%pF called from %i " "returned %d after %lld msecs\n", it->func, it->caller, it->result, it->duration); - if (ret) - return 1; - return 0; + if (ret) + return TRACE_TYPE_HANDLED; + else + return TRACE_TYPE_PARTIAL_LINE; + } + return TRACE_TYPE_UNHANDLED; } struct tracer boot_tracer __read_mostly = -- GitLab From 70255b5e3f1bd1a5af5b1e425ec2c4db7c735112 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 1 Oct 2008 00:29:52 -0400 Subject: [PATCH 4669/6244] ring_buffer: remove raw from local_irq_save The raw_local_irq_save causes issues with lockdep. We don't need it so replace them with local_irq_save. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index cfa711374d9a..8e7392fd0db9 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -847,7 +847,7 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, if (atomic_read(&buffer->record_disabled)) return NULL; - raw_local_irq_save(*flags); + local_irq_save(*flags); cpu = raw_smp_processor_id(); if (!cpu_isset(cpu, buffer->cpumask)) @@ -909,7 +909,7 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer, rb_commit(cpu_buffer, event); spin_unlock(&cpu_buffer->lock); - raw_local_irq_restore(flags); + local_irq_restore(flags); return 0; } @@ -1583,13 +1583,13 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu) if (!cpu_isset(cpu, buffer->cpumask)) return; - raw_local_irq_save(flags); + local_irq_save(flags); spin_lock(&cpu_buffer->lock); rb_reset_cpu(cpu_buffer); spin_unlock(&cpu_buffer->lock); - raw_local_irq_restore(flags); + local_irq_restore(flags); } /** -- GitLab From d769041f865330034131525ee6a7f72eb4af2a24 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 1 Oct 2008 00:29:53 -0400 Subject: [PATCH 4670/6244] ring_buffer: implement new locking The old "lock always" scheme had issues with lockdep, and was not very efficient anyways. This patch does a new design to be partially lockless on writes. Writes will add new entries to the per cpu pages by simply disabling interrupts. When a write needs to go to another page than it will grab the lock. A new "read page" has been added so that the reader can pull out a page from the ring buffer to read without worrying about the writer writing over it. This allows us to not take the lock for all reads. The lock is now only taken when a read needs to go to a new page. This is far from lockless, and interrupts still need to be disabled, but it is a step towards a more lockless solution, and it also solves a lot of the issues that were noticed by the first conversion of ftrace to the ring buffers. Note: the ring_buffer_{un}lock API has been removed. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- include/linux/ring_buffer.h | 3 - kernel/trace/ring_buffer.c | 298 ++++++++++++++++++++---------------- kernel/trace/trace.c | 113 +++++++++----- 3 files changed, 247 insertions(+), 167 deletions(-) diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index c52375b8330d..536b0ca46a03 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -63,9 +63,6 @@ ring_buffer_event_time_delta(struct ring_buffer_event *event) return event->time_delta; } -void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags); -void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags); - /* * size is in bytes for each per CPU buffer. */ diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 8e7392fd0db9..9631abf2ae29 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -161,8 +161,10 @@ struct ring_buffer_per_cpu { struct list_head pages; unsigned long head; /* read from head */ unsigned long tail; /* write to tail */ + unsigned long reader; struct buffer_page *head_page; struct buffer_page *tail_page; + struct buffer_page *reader_page; unsigned long overrun; unsigned long entries; u64 write_stamp; @@ -260,6 +262,7 @@ static struct ring_buffer_per_cpu * rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) { struct ring_buffer_per_cpu *cpu_buffer; + unsigned long addr; int ret; cpu_buffer = kzalloc_node(ALIGN(sizeof(*cpu_buffer), cache_line_size()), @@ -272,9 +275,16 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) spin_lock_init(&cpu_buffer->lock); INIT_LIST_HEAD(&cpu_buffer->pages); + addr = __get_free_page(GFP_KERNEL); + if (!addr) + goto fail_free_buffer; + cpu_buffer->reader_page = (struct buffer_page *)virt_to_page(addr); + INIT_LIST_HEAD(&cpu_buffer->reader_page->list); + cpu_buffer->reader_page->size = 0; + ret = rb_allocate_pages(cpu_buffer, buffer->pages); if (ret < 0) - goto fail_free_buffer; + goto fail_free_reader; cpu_buffer->head_page = list_entry(cpu_buffer->pages.next, struct buffer_page, list); @@ -283,6 +293,9 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) return cpu_buffer; + fail_free_reader: + free_buffer_page(cpu_buffer->reader_page); + fail_free_buffer: kfree(cpu_buffer); return NULL; @@ -293,6 +306,9 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) struct list_head *head = &cpu_buffer->pages; struct buffer_page *page, *tmp; + list_del_init(&cpu_buffer->reader_page->list); + free_buffer_page(cpu_buffer->reader_page); + list_for_each_entry_safe(page, tmp, head, list) { list_del_init(&page->list); free_buffer_page(page); @@ -538,8 +554,10 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) { - return cpu_buffer->head_page == cpu_buffer->tail_page && - cpu_buffer->head == cpu_buffer->tail; + return (cpu_buffer->reader == cpu_buffer->reader_page->size && + (cpu_buffer->tail_page == cpu_buffer->reader_page || + (cpu_buffer->tail_page == cpu_buffer->head_page && + cpu_buffer->head == cpu_buffer->tail))); } static inline int rb_null_event(struct ring_buffer_event *event) @@ -555,10 +573,10 @@ static inline void *rb_page_index(struct buffer_page *page, unsigned index) } static inline struct ring_buffer_event * -rb_head_event(struct ring_buffer_per_cpu *cpu_buffer) +rb_reader_event(struct ring_buffer_per_cpu *cpu_buffer) { - return rb_page_index(cpu_buffer->head_page, - cpu_buffer->head); + return rb_page_index(cpu_buffer->reader_page, + cpu_buffer->reader); } static inline struct ring_buffer_event * @@ -610,15 +628,32 @@ rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts) cpu_buffer->write_stamp = *ts; } -static void rb_reset_read_page(struct ring_buffer_per_cpu *cpu_buffer) +static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer) { - cpu_buffer->read_stamp = cpu_buffer->head_page->time_stamp; cpu_buffer->head = 0; } -static void -rb_reset_iter_read_page(struct ring_buffer_iter *iter) +static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer) { + cpu_buffer->read_stamp = cpu_buffer->reader_page->time_stamp; + cpu_buffer->reader = 0; +} + +static inline void rb_inc_iter(struct ring_buffer_iter *iter) +{ + struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; + + /* + * The iterator could be on the reader page (it starts there). + * But the head could have moved, since the reader was + * found. Check for this case and assign the iterator + * to the head page instead of next. + */ + if (iter->head_page == cpu_buffer->reader_page) + iter->head_page = cpu_buffer->head_page; + else + rb_inc_page(cpu_buffer, &iter->head_page); + iter->read_stamp = iter->head_page->time_stamp; iter->head = 0; } @@ -693,30 +728,39 @@ static struct ring_buffer_event * __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, unsigned type, unsigned long length, u64 *ts) { - struct buffer_page *head_page, *tail_page; + struct buffer_page *tail_page, *head_page, *reader_page; unsigned long tail; struct ring_buffer *buffer = cpu_buffer->buffer; struct ring_buffer_event *event; + /* No locking needed for tail page */ tail_page = cpu_buffer->tail_page; - head_page = cpu_buffer->head_page; tail = cpu_buffer->tail; if (tail + length > BUF_PAGE_SIZE) { struct buffer_page *next_page = tail_page; + spin_lock(&cpu_buffer->lock); rb_inc_page(cpu_buffer, &next_page); + head_page = cpu_buffer->head_page; + reader_page = cpu_buffer->reader_page; + + /* we grabbed the lock before incrementing */ + WARN_ON(next_page == reader_page); + if (next_page == head_page) { - if (!(buffer->flags & RB_FL_OVERWRITE)) + if (!(buffer->flags & RB_FL_OVERWRITE)) { + spin_unlock(&cpu_buffer->lock); return NULL; + } /* count overflows */ rb_update_overflow(cpu_buffer); rb_inc_page(cpu_buffer, &head_page); cpu_buffer->head_page = head_page; - rb_reset_read_page(cpu_buffer); + rb_reset_head_page(cpu_buffer); } if (tail != BUF_PAGE_SIZE) { @@ -732,6 +776,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, cpu_buffer->tail_page = tail_page; cpu_buffer->tail = tail; rb_add_stamp(cpu_buffer, ts); + spin_unlock(&cpu_buffer->lock); } BUG_ON(tail + length > BUF_PAGE_SIZE); @@ -802,7 +847,9 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, return NULL; } } else { + spin_lock(&cpu_buffer->lock); rb_add_stamp(cpu_buffer, &ts); + spin_unlock(&cpu_buffer->lock); delta = 0; } @@ -851,13 +898,12 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, cpu = raw_smp_processor_id(); if (!cpu_isset(cpu, buffer->cpumask)) - goto out_irq; + goto out; cpu_buffer = buffer->buffers[cpu]; - spin_lock(&cpu_buffer->lock); if (atomic_read(&cpu_buffer->record_disabled)) - goto no_record; + goto out; length = rb_calculate_event_length(length); if (length > BUF_PAGE_SIZE) @@ -865,13 +911,11 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length); if (!event) - goto no_record; + goto out; return event; - no_record: - spin_unlock(&cpu_buffer->lock); - out_irq: + out: local_irq_restore(*flags); return NULL; } @@ -904,11 +948,8 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer, cpu_buffer = buffer->buffers[cpu]; - assert_spin_locked(&cpu_buffer->lock); - rb_commit(cpu_buffer, event); - spin_unlock(&cpu_buffer->lock); local_irq_restore(flags); return 0; @@ -945,10 +986,9 @@ int ring_buffer_write(struct ring_buffer *buffer, cpu = raw_smp_processor_id(); if (!cpu_isset(cpu, buffer->cpumask)) - goto out_irq; + goto out; cpu_buffer = buffer->buffers[cpu]; - spin_lock(&cpu_buffer->lock); if (atomic_read(&cpu_buffer->record_disabled)) goto out; @@ -967,55 +1007,11 @@ int ring_buffer_write(struct ring_buffer *buffer, ret = 0; out: - spin_unlock(&cpu_buffer->lock); - out_irq: local_irq_restore(flags); return ret; } -/** - * ring_buffer_lock - lock the ring buffer - * @buffer: The ring buffer to lock - * @flags: The place to store the interrupt flags - * - * This locks all the per CPU buffers. - * - * Must be unlocked by ring_buffer_unlock. - */ -void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags) -{ - struct ring_buffer_per_cpu *cpu_buffer; - int cpu; - - local_irq_save(*flags); - - for_each_buffer_cpu(buffer, cpu) { - cpu_buffer = buffer->buffers[cpu]; - spin_lock(&cpu_buffer->lock); - } -} - -/** - * ring_buffer_unlock - unlock a locked buffer - * @buffer: The locked buffer to unlock - * @flags: The interrupt flags received by ring_buffer_lock - */ -void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags) -{ - struct ring_buffer_per_cpu *cpu_buffer; - int cpu; - - for (cpu = buffer->cpus - 1; cpu >= 0; cpu--) { - if (!cpu_isset(cpu, buffer->cpumask)) - continue; - cpu_buffer = buffer->buffers[cpu]; - spin_unlock(&cpu_buffer->lock); - } - - local_irq_restore(flags); -} - /** * ring_buffer_record_disable - stop all writes into the buffer * @buffer: The ring buffer to stop writes to. @@ -1169,9 +1165,18 @@ void ring_buffer_iter_reset(struct ring_buffer_iter *iter) { struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; - iter->head_page = cpu_buffer->head_page; - iter->head = cpu_buffer->head; - rb_reset_iter_read_page(iter); + /* Iterator usage is expected to have record disabled */ + if (list_empty(&cpu_buffer->reader_page->list)) { + iter->head_page = cpu_buffer->head_page; + iter->head = cpu_buffer->head; + } else { + iter->head_page = cpu_buffer->reader_page; + iter->head = cpu_buffer->reader; + } + if (iter->head) + iter->read_stamp = cpu_buffer->read_stamp; + else + iter->read_stamp = iter->head_page->time_stamp; } /** @@ -1250,43 +1255,84 @@ rb_update_iter_read_stamp(struct ring_buffer_iter *iter, return; } -static void rb_advance_head(struct ring_buffer_per_cpu *cpu_buffer) +static struct buffer_page * +rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) { - struct ring_buffer_event *event; - unsigned length; + struct buffer_page *reader = NULL; + unsigned long flags; + + spin_lock_irqsave(&cpu_buffer->lock, flags); + + again: + reader = cpu_buffer->reader_page; + + /* If there's more to read, return this page */ + if (cpu_buffer->reader < reader->size) + goto out; + + /* Never should we have an index greater than the size */ + WARN_ON(cpu_buffer->reader > reader->size); + + /* check if we caught up to the tail */ + reader = NULL; + if (cpu_buffer->tail_page == cpu_buffer->reader_page) + goto out; /* - * Check if we are at the end of the buffer. + * Splice the empty reader page into the list around the head. + * Reset the reader page to size zero. */ - if (cpu_buffer->head >= cpu_buffer->head_page->size) { - BUG_ON(cpu_buffer->head_page == cpu_buffer->tail_page); - rb_inc_page(cpu_buffer, &cpu_buffer->head_page); - rb_reset_read_page(cpu_buffer); - return; - } - event = rb_head_event(cpu_buffer); + reader = cpu_buffer->head_page; + cpu_buffer->reader_page->list.next = reader->list.next; + cpu_buffer->reader_page->list.prev = reader->list.prev; + cpu_buffer->reader_page->size = 0; - if (event->type == RINGBUF_TYPE_DATA) - cpu_buffer->entries--; - - length = rb_event_length(event); + /* Make the reader page now replace the head */ + reader->list.prev->next = &cpu_buffer->reader_page->list; + reader->list.next->prev = &cpu_buffer->reader_page->list; /* - * This should not be called to advance the header if we are - * at the tail of the buffer. + * If the tail is on the reader, then we must set the head + * to the inserted page, otherwise we set it one before. */ - BUG_ON((cpu_buffer->head_page == cpu_buffer->tail_page) && - (cpu_buffer->head + length > cpu_buffer->tail)); + cpu_buffer->head_page = cpu_buffer->reader_page; - rb_update_read_stamp(cpu_buffer, event); + if (cpu_buffer->tail_page != reader) + rb_inc_page(cpu_buffer, &cpu_buffer->head_page); + + /* Finally update the reader page to the new head */ + cpu_buffer->reader_page = reader; + rb_reset_reader_page(cpu_buffer); + + goto again; + + out: + spin_unlock_irqrestore(&cpu_buffer->lock, flags); + + return reader; +} + +static void rb_advance_reader(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct ring_buffer_event *event; + struct buffer_page *reader; + unsigned length; + + reader = rb_get_reader_page(cpu_buffer); - cpu_buffer->head += length; + /* This function should not be called when buffer is empty */ + BUG_ON(!reader); - /* check for end of page */ - if ((cpu_buffer->head >= cpu_buffer->head_page->size) && - (cpu_buffer->head_page != cpu_buffer->tail_page)) - rb_advance_head(cpu_buffer); + event = rb_reader_event(cpu_buffer); + + if (event->type == RINGBUF_TYPE_DATA) + cpu_buffer->entries--; + + rb_update_read_stamp(cpu_buffer, event); + + length = rb_event_length(event); + cpu_buffer->reader += length; } static void rb_advance_iter(struct ring_buffer_iter *iter) @@ -1304,8 +1350,7 @@ static void rb_advance_iter(struct ring_buffer_iter *iter) */ if (iter->head >= iter->head_page->size) { BUG_ON(iter->head_page == cpu_buffer->tail_page); - rb_inc_page(cpu_buffer, &iter->head_page); - rb_reset_iter_read_page(iter); + rb_inc_iter(iter); return; } @@ -1344,6 +1389,7 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts) { struct ring_buffer_per_cpu *cpu_buffer; struct ring_buffer_event *event; + struct buffer_page *reader; if (!cpu_isset(cpu, buffer->cpumask)) return NULL; @@ -1351,25 +1397,26 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts) cpu_buffer = buffer->buffers[cpu]; again: - if (rb_per_cpu_empty(cpu_buffer)) + reader = rb_get_reader_page(cpu_buffer); + if (!reader) return NULL; - event = rb_head_event(cpu_buffer); + event = rb_reader_event(cpu_buffer); switch (event->type) { case RINGBUF_TYPE_PADDING: - rb_inc_page(cpu_buffer, &cpu_buffer->head_page); - rb_reset_read_page(cpu_buffer); - goto again; + WARN_ON(1); + rb_advance_reader(cpu_buffer); + return NULL; case RINGBUF_TYPE_TIME_EXTEND: /* Internal data, OK to advance */ - rb_advance_head(cpu_buffer); + rb_advance_reader(cpu_buffer); goto again; case RINGBUF_TYPE_TIME_STAMP: /* FIXME: not implemented */ - rb_advance_head(cpu_buffer); + rb_advance_reader(cpu_buffer); goto again; case RINGBUF_TYPE_DATA: @@ -1415,8 +1462,7 @@ ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts) switch (event->type) { case RINGBUF_TYPE_PADDING: - rb_inc_page(cpu_buffer, &iter->head_page); - rb_reset_iter_read_page(iter); + rb_inc_iter(iter); goto again; case RINGBUF_TYPE_TIME_EXTEND: @@ -1465,7 +1511,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts) return NULL; cpu_buffer = buffer->buffers[cpu]; - rb_advance_head(cpu_buffer); + rb_advance_reader(cpu_buffer); return event; } @@ -1487,6 +1533,7 @@ ring_buffer_read_start(struct ring_buffer *buffer, int cpu) { struct ring_buffer_per_cpu *cpu_buffer; struct ring_buffer_iter *iter; + unsigned long flags; if (!cpu_isset(cpu, buffer->cpumask)) return NULL; @@ -1502,11 +1549,9 @@ ring_buffer_read_start(struct ring_buffer *buffer, int cpu) atomic_inc(&cpu_buffer->record_disabled); synchronize_sched(); - spin_lock(&cpu_buffer->lock); - iter->head = cpu_buffer->head; - iter->head_page = cpu_buffer->head_page; - rb_reset_iter_read_page(iter); - spin_unlock(&cpu_buffer->lock); + spin_lock_irqsave(&cpu_buffer->lock, flags); + ring_buffer_iter_reset(iter); + spin_unlock_irqrestore(&cpu_buffer->lock, flags); return iter; } @@ -1562,10 +1607,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) { cpu_buffer->head_page = list_entry(cpu_buffer->pages.next, struct buffer_page, list); - cpu_buffer->tail_page - = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + cpu_buffer->head_page->size = 0; + cpu_buffer->tail_page = cpu_buffer->head_page; + cpu_buffer->tail_page->size = 0; + INIT_LIST_HEAD(&cpu_buffer->reader_page->list); + cpu_buffer->reader_page->size = 0; + + cpu_buffer->head = cpu_buffer->tail = cpu_buffer->reader = 0; - cpu_buffer->head = cpu_buffer->tail = 0; cpu_buffer->overrun = 0; cpu_buffer->entries = 0; } @@ -1583,13 +1632,11 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu) if (!cpu_isset(cpu, buffer->cpumask)) return; - local_irq_save(flags); - spin_lock(&cpu_buffer->lock); + spin_lock_irqsave(&cpu_buffer->lock, flags); rb_reset_cpu(cpu_buffer); - spin_unlock(&cpu_buffer->lock); - local_irq_restore(flags); + spin_unlock_irqrestore(&cpu_buffer->lock, flags); } /** @@ -1598,15 +1645,10 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu) */ void ring_buffer_reset(struct ring_buffer *buffer) { - unsigned long flags; int cpu; - ring_buffer_lock(buffer, &flags); - for_each_buffer_cpu(buffer, cpu) - rb_reset_cpu(buffer->buffers[cpu]); - - ring_buffer_unlock(buffer, flags); + ring_buffer_reset_cpu(buffer, cpu); } /** diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6a1c76bb56ba..b542f8837801 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -42,6 +42,20 @@ unsigned long __read_mostly tracing_max_latency = (cycle_t)ULONG_MAX; unsigned long __read_mostly tracing_thresh; +static DEFINE_PER_CPU(local_t, ftrace_cpu_disabled); + +static inline void ftrace_disable_cpu(void) +{ + preempt_disable(); + local_inc(&__get_cpu_var(ftrace_cpu_disabled)); +} + +static inline void ftrace_enable_cpu(void) +{ + local_dec(&__get_cpu_var(ftrace_cpu_disabled)); + preempt_enable(); +} + static cpumask_t __read_mostly tracing_buffer_mask; #define for_each_tracing_cpu(cpu) \ @@ -406,7 +420,9 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) tr->buffer = max_tr.buffer; max_tr.buffer = buf; + ftrace_disable_cpu(); ring_buffer_reset(tr->buffer); + ftrace_enable_cpu(); __update_max_tr(tr, tsk, cpu); __raw_spin_unlock(&ftrace_max_lock); @@ -428,9 +444,13 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu) WARN_ON_ONCE(!irqs_disabled()); __raw_spin_lock(&ftrace_max_lock); + ftrace_disable_cpu(); + ring_buffer_reset(max_tr.buffer); ret = ring_buffer_swap_cpu(max_tr.buffer, tr->buffer, cpu); + ftrace_enable_cpu(); + WARN_ON_ONCE(ret); __update_max_tr(tr, tsk, cpu); @@ -543,7 +563,9 @@ void unregister_tracer(struct tracer *type) void tracing_reset(struct trace_array *tr, int cpu) { + ftrace_disable_cpu(); ring_buffer_reset_cpu(tr->buffer, cpu); + ftrace_enable_cpu(); } #define SAVED_CMDLINES 128 @@ -654,6 +676,10 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, struct ftrace_entry *entry; unsigned long irq_flags; + /* If we are reading the ring buffer, don't trace */ + if (unlikely(local_read(&__get_cpu_var(ftrace_cpu_disabled)))) + return; + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), &irq_flags); if (!event) @@ -870,8 +896,14 @@ enum trace_file_type { static void trace_iterator_increment(struct trace_iterator *iter, int cpu) { + /* Don't allow ftrace to trace into the ring buffers */ + ftrace_disable_cpu(); + iter->idx++; - ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + if (iter->buffer_iter[iter->cpu]) + ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + + ftrace_enable_cpu(); } static struct trace_entry * @@ -880,9 +912,19 @@ peek_next_entry(struct trace_iterator *iter, int cpu, u64 *ts) struct ring_buffer_event *event; struct ring_buffer_iter *buf_iter = iter->buffer_iter[cpu]; - event = ring_buffer_iter_peek(buf_iter, ts); + /* Don't allow ftrace to trace into the ring buffers */ + ftrace_disable_cpu(); + + if (buf_iter) + event = ring_buffer_iter_peek(buf_iter, ts); + else + event = ring_buffer_peek(iter->tr->buffer, cpu, ts); + + ftrace_enable_cpu(); + return event ? ring_buffer_event_data(event) : NULL; } + static struct trace_entry * __find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts) { @@ -938,7 +980,10 @@ static void *find_next_entry_inc(struct trace_iterator *iter) static void trace_consume(struct trace_iterator *iter) { + /* Don't allow ftrace to trace into the ring buffers */ + ftrace_disable_cpu(); ring_buffer_consume(iter->tr->buffer, iter->cpu, &iter->ts); + ftrace_enable_cpu(); } static void *s_next(struct seq_file *m, void *v, loff_t *pos) @@ -991,10 +1036,14 @@ static void *s_start(struct seq_file *m, loff_t *pos) iter->cpu = 0; iter->idx = -1; + ftrace_disable_cpu(); + for_each_tracing_cpu(cpu) { ring_buffer_iter_reset(iter->buffer_iter[cpu]); } + ftrace_enable_cpu(); + for (p = iter; p && l < *pos; p = s_next(m, p, &l)) ; @@ -1242,7 +1291,16 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter) cont = (struct trace_field_cont *)ent; if (ok) ok = (trace_seq_printf(s, "%s", cont->buf) > 0); - ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + + ftrace_disable_cpu(); + + if (iter->buffer_iter[iter->cpu]) + ring_buffer_read(iter->buffer_iter[iter->cpu], NULL); + else + ring_buffer_consume(iter->tr->buffer, iter->cpu, NULL); + + ftrace_enable_cpu(); + ent = peek_next_entry(iter, iter->cpu, NULL); } while (ent && ent->type == TRACE_CONT); @@ -1683,9 +1741,15 @@ static int trace_empty(struct trace_iterator *iter) int cpu; for_each_tracing_cpu(cpu) { - if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) - return 0; + if (iter->buffer_iter[cpu]) { + if (!ring_buffer_iter_empty(iter->buffer_iter[cpu])) + return 0; + } else { + if (!ring_buffer_empty_cpu(iter->tr->buffer, cpu)) + return 0; + } } + return TRACE_TYPE_HANDLED; } @@ -1776,8 +1840,10 @@ __tracing_open(struct inode *inode, struct file *file, int *ret) iter->pos = -1; for_each_tracing_cpu(cpu) { + iter->buffer_iter[cpu] = ring_buffer_read_start(iter->tr->buffer, cpu); + if (!iter->buffer_iter[cpu]) goto fail_buffer; } @@ -2341,7 +2407,6 @@ static atomic_t tracing_reader; static int tracing_open_pipe(struct inode *inode, struct file *filp) { struct trace_iterator *iter; - int cpu; if (tracing_disabled) return -ENODEV; @@ -2362,38 +2427,17 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp) iter->trace = current_trace; filp->private_data = iter; - for_each_tracing_cpu(cpu) { - iter->buffer_iter[cpu] = - ring_buffer_read_start(iter->tr->buffer, cpu); - if (!iter->buffer_iter[cpu]) - goto fail_buffer; - } - if (iter->trace->pipe_open) iter->trace->pipe_open(iter); mutex_unlock(&trace_types_lock); return 0; - - fail_buffer: - for_each_tracing_cpu(cpu) { - if (iter->buffer_iter[cpu]) - ring_buffer_read_finish(iter->buffer_iter[cpu]); - } - mutex_unlock(&trace_types_lock); - - return -ENOMEM; } static int tracing_release_pipe(struct inode *inode, struct file *file) { struct trace_iterator *iter = file->private_data; - int cpu; - for_each_tracing_cpu(cpu) { - if (iter->buffer_iter[cpu]) - ring_buffer_read_finish(iter->buffer_iter[cpu]); - } kfree(iter); atomic_dec(&tracing_reader); @@ -2429,7 +2473,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { struct trace_iterator *iter = filp->private_data; - unsigned long flags; #ifdef CONFIG_FTRACE int ftrace_save; #endif @@ -2528,7 +2571,6 @@ waitagain: ftrace_enabled = 0; #endif smp_wmb(); - ring_buffer_lock(iter->tr->buffer, &flags); while (find_next_entry_inc(iter) != NULL) { enum print_line_t ret; @@ -2547,7 +2589,6 @@ waitagain: break; } - ring_buffer_unlock(iter->tr->buffer, flags); #ifdef CONFIG_FTRACE ftrace_enabled = ftrace_save; #endif @@ -3010,8 +3051,8 @@ void ftrace_dump(void) static struct trace_iterator iter; static cpumask_t mask; static int dump_ran; - unsigned long flags, irq_flags; - int cnt = 0; + unsigned long flags; + int cnt = 0, cpu; /* only one dump */ spin_lock_irqsave(&ftrace_dump_lock, flags); @@ -3023,6 +3064,10 @@ void ftrace_dump(void) /* No turning back! */ ftrace_kill_atomic(); + for_each_tracing_cpu(cpu) { + atomic_inc(&global_trace.data[cpu]->disabled); + } + printk(KERN_TRACE "Dumping ftrace buffer:\n"); iter.tr = &global_trace; @@ -3037,8 +3082,6 @@ void ftrace_dump(void) cpus_clear(mask); - ring_buffer_lock(iter.tr->buffer, &irq_flags); - while (!trace_empty(&iter)) { if (!cnt) @@ -3066,8 +3109,6 @@ void ftrace_dump(void) else printk(KERN_TRACE "---------------------------------\n"); - ring_buffer_unlock(iter.tr->buffer, irq_flags); - out: spin_unlock_irqrestore(&ftrace_dump_lock, flags); } -- GitLab From 797d3712a9dd75c720558612be05f42c031a7bb5 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Tue, 30 Sep 2008 18:13:45 +0200 Subject: [PATCH 4671/6244] tracing/ftrace: adapt mmiotrace to the new type of print_line, fix Correct the value's type of trace_empty function Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b542f8837801..c1634068adfa 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1750,7 +1750,7 @@ static int trace_empty(struct trace_iterator *iter) } } - return TRACE_TYPE_HANDLED; + return 1; } static enum print_line_t print_trace_line(struct trace_iterator *iter) -- GitLab From 7104f300c5a69b46dda00d898034dd05c9f21739 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 1 Oct 2008 10:52:51 -0400 Subject: [PATCH 4672/6244] ftrace: type cast filter+verifier The mmiotrace map had a bug that would typecast the entry from the trace to the wrong type. That is a known danger of C typecasts, there's absolutely zero checking done on them. Help that problem a bit by using a GCC extension to implement a type filter that restricts the types that a trace record can be cast into, and by adding a dynamic check (in debug mode) to verify the type of the entry. This patch adds a macro to assign all entries of ftrace using the type of the variable and checking the entry id. The typecasts are now done in the macro for only those types that it knows about, which should be all the types that are allowed to be read from the tracer. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 85 ++++++++++++++++++++++++---------- kernel/trace/trace.h | 42 +++++++++++++++++ kernel/trace/trace_mmiotrace.c | 14 ++++-- 3 files changed, 112 insertions(+), 29 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index c1634068adfa..948f7d821c62 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1350,7 +1350,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) } switch (entry->type) { case TRACE_FN: { - struct ftrace_entry *field = (struct ftrace_entry *)entry; + struct ftrace_entry *field; + + trace_assign_type(field, entry); seq_print_ip_sym(s, field->ip, sym_flags); trace_seq_puts(s, " ("); @@ -1363,8 +1365,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) } case TRACE_CTX: case TRACE_WAKE: { - struct ctx_switch_entry *field = - (struct ctx_switch_entry *)entry; + struct ctx_switch_entry *field; + + trace_assign_type(field, entry); T = field->next_state < sizeof(state_to_char) ? state_to_char[field->next_state] : 'X'; @@ -1384,7 +1387,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) break; } case TRACE_SPECIAL: { - struct special_entry *field = (struct special_entry *)entry; + struct special_entry *field; + + trace_assign_type(field, entry); trace_seq_printf(s, "# %ld %ld %ld\n", field->arg1, @@ -1393,7 +1398,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) break; } case TRACE_STACK: { - struct stack_entry *field = (struct stack_entry *)entry; + struct stack_entry *field; + + trace_assign_type(field, entry); for (i = 0; i < FTRACE_STACK_ENTRIES; i++) { if (i) @@ -1404,7 +1411,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu) break; } case TRACE_PRINT: { - struct print_entry *field = (struct print_entry *)entry; + struct print_entry *field; + + trace_assign_type(field, entry); seq_print_ip_sym(s, field->ip, sym_flags); trace_seq_printf(s, ": %s", field->buf); @@ -1454,7 +1463,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) switch (entry->type) { case TRACE_FN: { - struct ftrace_entry *field = (struct ftrace_entry *)entry; + struct ftrace_entry *field; + + trace_assign_type(field, entry); ret = seq_print_ip_sym(s, field->ip, sym_flags); if (!ret) @@ -1480,8 +1491,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) } case TRACE_CTX: case TRACE_WAKE: { - struct ctx_switch_entry *field = - (struct ctx_switch_entry *)entry; + struct ctx_switch_entry *field; + + trace_assign_type(field, entry); S = field->prev_state < sizeof(state_to_char) ? state_to_char[field->prev_state] : 'X'; @@ -1501,7 +1513,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) break; } case TRACE_SPECIAL: { - struct special_entry *field = (struct special_entry *)entry; + struct special_entry *field; + + trace_assign_type(field, entry); ret = trace_seq_printf(s, "# %ld %ld %ld\n", field->arg1, @@ -1512,7 +1526,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) break; } case TRACE_STACK: { - struct stack_entry *field = (struct stack_entry *)entry; + struct stack_entry *field; + + trace_assign_type(field, entry); for (i = 0; i < FTRACE_STACK_ENTRIES; i++) { if (i) { @@ -1531,7 +1547,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) break; } case TRACE_PRINT: { - struct print_entry *field = (struct print_entry *)entry; + struct print_entry *field; + + trace_assign_type(field, entry); seq_print_ip_sym(s, field->ip, sym_flags); trace_seq_printf(s, ": %s", field->buf); @@ -1562,7 +1580,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter) switch (entry->type) { case TRACE_FN: { - struct ftrace_entry *field = (struct ftrace_entry *)entry; + struct ftrace_entry *field; + + trace_assign_type(field, entry); ret = trace_seq_printf(s, "%x %x\n", field->ip, @@ -1573,8 +1593,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter) } case TRACE_CTX: case TRACE_WAKE: { - struct ctx_switch_entry *field = - (struct ctx_switch_entry *)entry; + struct ctx_switch_entry *field; + + trace_assign_type(field, entry); S = field->prev_state < sizeof(state_to_char) ? state_to_char[field->prev_state] : 'X'; @@ -1596,7 +1617,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter) } case TRACE_SPECIAL: case TRACE_STACK: { - struct special_entry *field = (struct special_entry *)entry; + struct special_entry *field; + + trace_assign_type(field, entry); ret = trace_seq_printf(s, "# %ld %ld %ld\n", field->arg1, @@ -1607,7 +1630,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter) break; } case TRACE_PRINT: { - struct print_entry *field = (struct print_entry *)entry; + struct print_entry *field; + + trace_assign_type(field, entry); trace_seq_printf(s, "# %lx %s", field->ip, field->buf); if (entry->flags & TRACE_FLAG_CONT) @@ -1648,7 +1673,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter) switch (entry->type) { case TRACE_FN: { - struct ftrace_entry *field = (struct ftrace_entry *)entry; + struct ftrace_entry *field; + + trace_assign_type(field, entry); SEQ_PUT_HEX_FIELD_RET(s, field->ip); SEQ_PUT_HEX_FIELD_RET(s, field->parent_ip); @@ -1656,8 +1683,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter) } case TRACE_CTX: case TRACE_WAKE: { - struct ctx_switch_entry *field = - (struct ctx_switch_entry *)entry; + struct ctx_switch_entry *field; + + trace_assign_type(field, entry); S = field->prev_state < sizeof(state_to_char) ? state_to_char[field->prev_state] : 'X'; @@ -1676,7 +1704,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter) } case TRACE_SPECIAL: case TRACE_STACK: { - struct special_entry *field = (struct special_entry *)entry; + struct special_entry *field; + + trace_assign_type(field, entry); SEQ_PUT_HEX_FIELD_RET(s, field->arg1); SEQ_PUT_HEX_FIELD_RET(s, field->arg2); @@ -1705,15 +1735,18 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter) switch (entry->type) { case TRACE_FN: { - struct ftrace_entry *field = (struct ftrace_entry *)entry; + struct ftrace_entry *field; + + trace_assign_type(field, entry); SEQ_PUT_FIELD_RET(s, field->ip); SEQ_PUT_FIELD_RET(s, field->parent_ip); break; } case TRACE_CTX: { - struct ctx_switch_entry *field = - (struct ctx_switch_entry *)entry; + struct ctx_switch_entry *field; + + trace_assign_type(field, entry); SEQ_PUT_FIELD_RET(s, field->prev_pid); SEQ_PUT_FIELD_RET(s, field->prev_prio); @@ -1725,7 +1758,9 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter) } case TRACE_SPECIAL: case TRACE_STACK: { - struct special_entry *field = (struct special_entry *)entry; + struct special_entry *field; + + trace_assign_type(field, entry); SEQ_PUT_FIELD_RET(s, field->arg1); SEQ_PUT_FIELD_RET(s, field->arg2); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index a921ba5d292d..f02042d0d828 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -177,6 +177,48 @@ struct trace_array { struct trace_array_cpu *data[NR_CPUS]; }; +#define FTRACE_CMP_TYPE(var, type) \ + __builtin_types_compatible_p(typeof(var), type *) + +#undef IF_ASSIGN +#define IF_ASSIGN(var, entry, etype, id) \ + if (FTRACE_CMP_TYPE(var, etype)) { \ + var = (typeof(var))(entry); \ + WARN_ON(id && (entry)->type != id); \ + break; \ + } + +/* Will cause compile errors if type is not found. */ +extern void __ftrace_bad_type(void); + +/* + * The trace_assign_type is a verifier that the entry type is + * the same as the type being assigned. To add new types simply + * add a line with the following format: + * + * IF_ASSIGN(var, ent, type, id); + * + * Where "type" is the trace type that includes the trace_entry + * as the "ent" item. And "id" is the trace identifier that is + * used in the trace_type enum. + * + * If the type can have more than one id, then use zero. + */ +#define trace_assign_type(var, ent) \ + do { \ + IF_ASSIGN(var, ent, struct ftrace_entry, TRACE_FN); \ + IF_ASSIGN(var, ent, struct ctx_switch_entry, 0); \ + IF_ASSIGN(var, ent, struct trace_field_cont, TRACE_CONT); \ + IF_ASSIGN(var, ent, struct stack_entry, TRACE_STACK); \ + IF_ASSIGN(var, ent, struct print_entry, TRACE_PRINT); \ + IF_ASSIGN(var, ent, struct special_entry, 0); \ + IF_ASSIGN(var, ent, struct trace_mmiotrace_rw, \ + TRACE_MMIO_RW); \ + IF_ASSIGN(var, ent, struct trace_mmiotrace_map, \ + TRACE_MMIO_MAP); \ + IF_ASSIGN(var, ent, struct trace_boot, TRACE_BOOT); \ + __ftrace_bad_type(); \ + } while (0) /* Return values for print_line callback */ enum print_line_t { diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 1a266aa08e1a..0e819f47bb7a 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -178,15 +178,17 @@ print_out: static enum print_line_t mmio_print_rw(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct trace_mmiotrace_rw *field = - (struct trace_mmiotrace_rw *)entry; - struct mmiotrace_rw *rw = &field->rw; + struct trace_mmiotrace_rw *field; + struct mmiotrace_rw *rw; struct trace_seq *s = &iter->seq; unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; + trace_assign_type(field, entry); + rw = &field->rw; + switch (rw->opcode) { case MMIO_READ: ret = trace_seq_printf(s, @@ -222,13 +224,17 @@ static enum print_line_t mmio_print_rw(struct trace_iterator *iter) static enum print_line_t mmio_print_map(struct trace_iterator *iter) { struct trace_entry *entry = iter->ent; - struct mmiotrace_map *m = (struct mmiotrace_map *)entry; + struct trace_mmiotrace_map *field; + struct mmiotrace_map *m; struct trace_seq *s = &iter->seq; unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret; + trace_assign_type(field, entry); + m = &field->map; + switch (m->opcode) { case MMIO_PROBE: ret = trace_seq_printf(s, -- GitLab From e4c2ce82ca2710e17cb4df8eb2b249fa2eb5af30 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 1 Oct 2008 11:14:54 -0400 Subject: [PATCH 4673/6244] ring_buffer: allocate buffer page pointer The current method of overlaying the page frame as the buffer page pointer can be very dangerous and limits our ability to do other things with a page from the buffer, like send it off to disk. This patch allocates the buffer_page instead of overlaying the page's page frame. The use of the buffer_page has hardly changed due to this. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 54 ++++++++++++++++++++++---------------- 1 file changed, 32 insertions(+), 22 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 9631abf2ae29..98145718988d 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -115,16 +115,10 @@ void *ring_buffer_event_data(struct ring_buffer_event *event) * Thanks to Peter Zijlstra for suggesting this idea. */ struct buffer_page { - union { - struct { - unsigned long flags; /* mandatory */ - atomic_t _count; /* mandatory */ - u64 time_stamp; /* page time stamp */ - unsigned size; /* size of page data */ - struct list_head list; /* list of free pages */ - }; - struct page page; - }; + u64 time_stamp; /* page time stamp */ + unsigned size; /* size of page data */ + struct list_head list; /* list of free pages */ + void *page; /* Actual data page */ }; /* @@ -133,9 +127,9 @@ struct buffer_page { */ static inline void free_buffer_page(struct buffer_page *bpage) { - reset_page_mapcount(&bpage->page); - bpage->page.mapping = NULL; - __free_page(&bpage->page); + if (bpage->page) + __free_page(bpage->page); + kfree(bpage); } /* @@ -237,11 +231,16 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned i; for (i = 0; i < nr_pages; i++) { + page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()), + GFP_KERNEL, cpu_to_node(cpu)); + if (!page) + goto free_pages; + list_add(&page->list, &pages); + addr = __get_free_page(GFP_KERNEL); if (!addr) goto free_pages; - page = (struct buffer_page *)virt_to_page(addr); - list_add(&page->list, &pages); + page->page = (void *)addr; } list_splice(&pages, head); @@ -262,6 +261,7 @@ static struct ring_buffer_per_cpu * rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) { struct ring_buffer_per_cpu *cpu_buffer; + struct buffer_page *page; unsigned long addr; int ret; @@ -275,10 +275,17 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) spin_lock_init(&cpu_buffer->lock); INIT_LIST_HEAD(&cpu_buffer->pages); + page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()), + GFP_KERNEL, cpu_to_node(cpu)); + if (!page) + goto fail_free_buffer; + + cpu_buffer->reader_page = page; addr = __get_free_page(GFP_KERNEL); if (!addr) - goto fail_free_buffer; - cpu_buffer->reader_page = (struct buffer_page *)virt_to_page(addr); + goto fail_free_reader; + page->page = (void *)addr; + INIT_LIST_HEAD(&cpu_buffer->reader_page->list); cpu_buffer->reader_page->size = 0; @@ -523,11 +530,16 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) for_each_buffer_cpu(buffer, cpu) { for (i = 0; i < new_pages; i++) { + page = kzalloc_node(ALIGN(sizeof(*page), + cache_line_size()), + GFP_KERNEL, cpu_to_node(cpu)); + if (!page) + goto free_pages; + list_add(&page->list, &pages); addr = __get_free_page(GFP_KERNEL); if (!addr) goto free_pages; - page = (struct buffer_page *)virt_to_page(addr); - list_add(&page->list, &pages); + page->page = (void *)addr; } } @@ -567,9 +579,7 @@ static inline int rb_null_event(struct ring_buffer_event *event) static inline void *rb_page_index(struct buffer_page *page, unsigned index) { - void *addr = page_address(&page->page); - - return addr + index; + return page->page + index; } static inline struct ring_buffer_event * -- GitLab From 38697053fa006411224a1790e2adb8216440ab0f Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Wed, 1 Oct 2008 13:14:09 -0400 Subject: [PATCH 4674/6244] ftrace: preempt disable over interrupt disable With the new ring buffer infrastructure in ftrace, I'm trying to make ftrace a little more light weight. This patch converts a lot of the local_irq_save/restore into preempt_disable/enable. The original preempt count in a lot of cases has to be sent in as a parameter so that it can be recorded correctly. Some places were recording it incorrectly before anyway. This is also laying the ground work to make ftrace a little bit more reentrant, and remove all locking. The function tracers must still protect from reentrancy. Note: All the function tracers must be careful when using preempt_disable. It must do the following: resched = need_resched(); preempt_disable_notrace(); [...] if (resched) preempt_enable_no_resched_notrace(); else preempt_enable_notrace(); The reason is that if this function traces schedule() itself, the preempt_enable_notrace() will cause a schedule, which will lead us into a recursive failure. If we needed to reschedule before calling preempt_disable, we should have already scheduled. Since we did not, this is most likely that we should not and are probably inside a schedule function. If resched was not set, we still need to catch the need resched flag being set when preemption was off and the if case at the end will catch that for us. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 123 +++++++++++++++--------------- kernel/trace/trace.h | 13 ++-- kernel/trace/trace_boot.c | 2 +- kernel/trace/trace_irqsoff.c | 13 ++-- kernel/trace/trace_mmiotrace.c | 4 +- kernel/trace/trace_sched_switch.c | 9 ++- kernel/trace/trace_sched_wakeup.c | 13 +++- 7 files changed, 97 insertions(+), 80 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 948f7d821c62..1cd2e8143bb4 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -652,12 +652,10 @@ void tracing_record_cmdline(struct task_struct *tsk) } void -tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) +tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags, + int pc) { struct task_struct *tsk = current; - unsigned long pc; - - pc = preempt_count(); entry->preempt_count = pc & 0xff; entry->pid = (tsk) ? tsk->pid : 0; @@ -670,7 +668,8 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags) void trace_function(struct trace_array *tr, struct trace_array_cpu *data, - unsigned long ip, unsigned long parent_ip, unsigned long flags) + unsigned long ip, unsigned long parent_ip, unsigned long flags, + int pc) { struct ring_buffer_event *event; struct ftrace_entry *entry; @@ -685,7 +684,7 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, flags); + tracing_generic_entry_update(&entry->ent, flags, pc); entry->ent.type = TRACE_FN; entry->ip = ip; entry->parent_ip = parent_ip; @@ -694,16 +693,17 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data, void ftrace(struct trace_array *tr, struct trace_array_cpu *data, - unsigned long ip, unsigned long parent_ip, unsigned long flags) + unsigned long ip, unsigned long parent_ip, unsigned long flags, + int pc) { if (likely(!atomic_read(&data->disabled))) - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, pc); } -void __trace_stack(struct trace_array *tr, - struct trace_array_cpu *data, - unsigned long flags, - int skip) +static void ftrace_trace_stack(struct trace_array *tr, + struct trace_array_cpu *data, + unsigned long flags, + int skip, int pc) { struct ring_buffer_event *event; struct stack_entry *entry; @@ -718,7 +718,7 @@ void __trace_stack(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, flags); + tracing_generic_entry_update(&entry->ent, flags, pc); entry->ent.type = TRACE_STACK; memset(&entry->caller, 0, sizeof(entry->caller)); @@ -732,9 +732,18 @@ void __trace_stack(struct trace_array *tr, ring_buffer_unlock_commit(tr->buffer, event, irq_flags); } -void -__trace_special(void *__tr, void *__data, - unsigned long arg1, unsigned long arg2, unsigned long arg3) +void __trace_stack(struct trace_array *tr, + struct trace_array_cpu *data, + unsigned long flags, + int skip) +{ + ftrace_trace_stack(tr, data, flags, skip, preempt_count()); +} + +static void +ftrace_trace_special(void *__tr, void *__data, + unsigned long arg1, unsigned long arg2, unsigned long arg3, + int pc) { struct ring_buffer_event *event; struct trace_array_cpu *data = __data; @@ -747,23 +756,30 @@ __trace_special(void *__tr, void *__data, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, 0); + tracing_generic_entry_update(&entry->ent, 0, pc); entry->ent.type = TRACE_SPECIAL; entry->arg1 = arg1; entry->arg2 = arg2; entry->arg3 = arg3; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - __trace_stack(tr, data, irq_flags, 4); + ftrace_trace_stack(tr, data, irq_flags, 4, pc); trace_wake_up(); } +void +__trace_special(void *__tr, void *__data, + unsigned long arg1, unsigned long arg2, unsigned long arg3) +{ + ftrace_trace_special(__tr, __data, arg1, arg2, arg3, preempt_count()); +} + void tracing_sched_switch_trace(struct trace_array *tr, struct trace_array_cpu *data, struct task_struct *prev, struct task_struct *next, - unsigned long flags) + unsigned long flags, int pc) { struct ring_buffer_event *event; struct ctx_switch_entry *entry; @@ -774,7 +790,7 @@ tracing_sched_switch_trace(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, flags); + tracing_generic_entry_update(&entry->ent, flags, pc); entry->ent.type = TRACE_CTX; entry->prev_pid = prev->pid; entry->prev_prio = prev->prio; @@ -784,7 +800,7 @@ tracing_sched_switch_trace(struct trace_array *tr, entry->next_state = next->state; entry->next_cpu = task_cpu(next); ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - __trace_stack(tr, data, flags, 5); + ftrace_trace_stack(tr, data, flags, 5, pc); } void @@ -792,7 +808,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, struct trace_array_cpu *data, struct task_struct *wakee, struct task_struct *curr, - unsigned long flags) + unsigned long flags, int pc) { struct ring_buffer_event *event; struct ctx_switch_entry *entry; @@ -803,7 +819,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, flags); + tracing_generic_entry_update(&entry->ent, flags, pc); entry->ent.type = TRACE_WAKE; entry->prev_pid = curr->pid; entry->prev_prio = curr->prio; @@ -813,7 +829,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr, entry->next_state = wakee->state; entry->next_cpu = task_cpu(wakee); ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - __trace_stack(tr, data, flags, 6); + ftrace_trace_stack(tr, data, flags, 6, pc); trace_wake_up(); } @@ -823,23 +839,24 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { struct trace_array *tr = &global_trace; struct trace_array_cpu *data; - unsigned long flags; long disabled; int cpu; + int pc; if (tracing_disabled || !tr->ctrl) return; - local_irq_save(flags); + pc = preempt_count(); + preempt_disable_notrace(); cpu = raw_smp_processor_id(); data = tr->data[cpu]; disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - __trace_special(tr, data, arg1, arg2, arg3); + ftrace_trace_special(tr, data, arg1, arg2, arg3, pc); atomic_dec(&data->disabled); - local_irq_restore(flags); + preempt_enable_notrace(); } #ifdef CONFIG_FTRACE @@ -850,7 +867,8 @@ function_trace_call(unsigned long ip, unsigned long parent_ip) struct trace_array_cpu *data; unsigned long flags; long disabled; - int cpu; + int cpu, resched; + int pc; if (unlikely(!ftrace_function_enabled)) return; @@ -858,16 +876,22 @@ function_trace_call(unsigned long ip, unsigned long parent_ip) if (skip_trace(ip)) return; - local_irq_save(flags); + pc = preempt_count(); + resched = need_resched(); + preempt_disable_notrace(); + local_save_flags(flags); cpu = raw_smp_processor_id(); data = tr->data[cpu]; disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, pc); atomic_dec(&data->disabled); - local_irq_restore(flags); + if (resched) + preempt_enable_no_resched_notrace(); + else + preempt_enable_notrace(); } static struct ftrace_ops trace_ops __read_mostly = @@ -2508,9 +2532,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { struct trace_iterator *iter = filp->private_data; -#ifdef CONFIG_FTRACE - int ftrace_save; -#endif ssize_t sret; /* return any leftover data */ @@ -2593,20 +2614,6 @@ waitagain: offsetof(struct trace_iterator, seq)); iter->pos = -1; - /* - * We need to stop all tracing on all CPUS to read the - * the next buffer. This is a bit expensive, but is - * not done often. We fill all what we can read, - * and then release the locks again. - */ - - local_irq_disable(); -#ifdef CONFIG_FTRACE - ftrace_save = ftrace_enabled; - ftrace_enabled = 0; -#endif - smp_wmb(); - while (find_next_entry_inc(iter) != NULL) { enum print_line_t ret; int len = iter->seq.len; @@ -2624,11 +2631,6 @@ waitagain: break; } -#ifdef CONFIG_FTRACE - ftrace_enabled = ftrace_save; -#endif - local_irq_enable(); - /* Now copy what we have to the user */ sret = trace_seq_to_user(&iter->seq, ubuf, cnt); if (iter->seq.readpos >= iter->seq.len) @@ -2960,12 +2962,13 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) struct print_entry *entry; unsigned long flags, irq_flags; long disabled; - int cpu, len = 0, size; + int cpu, len = 0, size, pc; if (!tr->ctrl || tracing_disabled) return 0; - local_irq_save(flags); + pc = preempt_count(); + preempt_disable_notrace(); cpu = raw_smp_processor_id(); data = tr->data[cpu]; disabled = atomic_inc_return(&data->disabled); @@ -2973,7 +2976,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) if (unlikely(disabled != 1)) goto out; - spin_lock(&trace_buf_lock); + spin_lock_irqsave(&trace_buf_lock, flags); len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args); len = min(len, TRACE_BUF_SIZE-1); @@ -2984,7 +2987,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) if (!event) goto out_unlock; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, flags); + tracing_generic_entry_update(&entry->ent, flags, pc); entry->ent.type = TRACE_PRINT; entry->ip = ip; @@ -2993,11 +2996,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) ring_buffer_unlock_commit(tr->buffer, event, irq_flags); out_unlock: - spin_unlock(&trace_buf_lock); + spin_unlock_irqrestore(&trace_buf_lock, flags); out: atomic_dec(&data->disabled); - local_irq_restore(flags); + preempt_enable_notrace(); return len; } diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f02042d0d828..f1f99572cde7 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -288,35 +288,36 @@ void init_tracer_sysprof_debugfs(struct dentry *d_tracer); struct trace_entry *tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data); void tracing_generic_entry_update(struct trace_entry *entry, - unsigned long flags); + unsigned long flags, + int pc); void ftrace(struct trace_array *tr, struct trace_array_cpu *data, unsigned long ip, unsigned long parent_ip, - unsigned long flags); + unsigned long flags, int pc); void tracing_sched_switch_trace(struct trace_array *tr, struct trace_array_cpu *data, struct task_struct *prev, struct task_struct *next, - unsigned long flags); + unsigned long flags, int pc); void tracing_record_cmdline(struct task_struct *tsk); void tracing_sched_wakeup_trace(struct trace_array *tr, struct trace_array_cpu *data, struct task_struct *wakee, struct task_struct *cur, - unsigned long flags); + unsigned long flags, int pc); void trace_special(struct trace_array *tr, struct trace_array_cpu *data, unsigned long arg1, unsigned long arg2, - unsigned long arg3); + unsigned long arg3, int pc); void trace_function(struct trace_array *tr, struct trace_array_cpu *data, unsigned long ip, unsigned long parent_ip, - unsigned long flags); + unsigned long flags, int pc); void tracing_start_cmdline_record(void); void tracing_stop_cmdline_record(void); diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index 43bde20b95bd..f2dac6f1cf06 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -95,7 +95,7 @@ void trace_boot(struct boot_trace *it) if (!event) goto out; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, 0); + tracing_generic_entry_update(&entry->ent, 0, 0); entry->ent.type = TRACE_BOOT; entry->initcall = *it; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index 37ad49407f27..f925dbbff2a6 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -95,7 +95,7 @@ irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip) disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, preempt_count()); atomic_dec(&data->disabled); } @@ -130,6 +130,7 @@ check_critical_timing(struct trace_array *tr, unsigned long latency, t0, t1; cycle_t T0, T1, delta; unsigned long flags; + int pc; /* * usecs conversion is slow so we try to delay the conversion @@ -144,13 +145,15 @@ check_critical_timing(struct trace_array *tr, if (!report_latency(delta)) goto out; + pc = preempt_count(); + spin_lock_irqsave(&max_trace_lock, flags); /* check if we are still the max latency */ if (!report_latency(delta)) goto out_unlock; - trace_function(tr, data, CALLER_ADDR0, parent_ip, flags); + trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc); latency = nsecs_to_usecs(delta); @@ -174,7 +177,7 @@ out: data->critical_sequence = max_sequence; data->preempt_timestamp = ftrace_now(cpu); tracing_reset(tr, cpu); - trace_function(tr, data, CALLER_ADDR0, parent_ip, flags); + trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc); } static inline void @@ -207,7 +210,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip) local_save_flags(flags); - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, preempt_count()); per_cpu(tracing_cpu, cpu) = 1; @@ -241,7 +244,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip) atomic_inc(&data->disabled); local_save_flags(flags); - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, preempt_count()); check_critical_timing(tr, data, parent_ip ? : ip, cpu); data->critical_start = 0; atomic_dec(&data->disabled); diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 0e819f47bb7a..f28484618ff0 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -324,7 +324,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, 0); + tracing_generic_entry_update(&entry->ent, 0, preempt_count()); entry->ent.type = TRACE_MMIO_RW; entry->rw = *rw; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); @@ -352,7 +352,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr, if (!event) return; entry = ring_buffer_event_data(event); - tracing_generic_entry_update(&entry->ent, 0); + tracing_generic_entry_update(&entry->ent, 0, preempt_count()); entry->ent.type = TRACE_MMIO_MAP; entry->map = *map; ring_buffer_unlock_commit(tr->buffer, event, irq_flags); diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index e0b06db0f7af..c7fa08a5b7f4 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -26,6 +26,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev, unsigned long flags; long disabled; int cpu; + int pc; if (!atomic_read(&sched_ref)) return; @@ -36,13 +37,14 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev, if (!tracer_enabled) return; + pc = preempt_count(); local_irq_save(flags); cpu = raw_smp_processor_id(); data = ctx_trace->data[cpu]; disabled = atomic_inc_return(&data->disabled); if (likely(disabled == 1)) - tracing_sched_switch_trace(ctx_trace, data, prev, next, flags); + tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc); atomic_dec(&data->disabled); local_irq_restore(flags); @@ -54,11 +56,12 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) struct trace_array_cpu *data; unsigned long flags; long disabled; - int cpu; + int cpu, pc; if (!likely(tracer_enabled)) return; + pc = preempt_count(); tracing_record_cmdline(current); local_irq_save(flags); @@ -68,7 +71,7 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) if (likely(disabled == 1)) tracing_sched_wakeup_trace(ctx_trace, data, wakee, current, - flags); + flags, pc); atomic_dec(&data->disabled); local_irq_restore(flags); diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c index 01e75e0639b7..fe4a252c2363 100644 --- a/kernel/trace/trace_sched_wakeup.c +++ b/kernel/trace/trace_sched_wakeup.c @@ -44,10 +44,12 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip) long disabled; int resched; int cpu; + int pc; if (likely(!wakeup_task)) return; + pc = preempt_count(); resched = need_resched(); preempt_disable_notrace(); @@ -70,7 +72,7 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip) if (task_cpu(wakeup_task) != cpu) goto unlock; - trace_function(tr, data, ip, parent_ip, flags); + trace_function(tr, data, ip, parent_ip, flags, pc); unlock: __raw_spin_unlock(&wakeup_lock); @@ -121,6 +123,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, unsigned long flags; long disabled; int cpu; + int pc; tracing_record_cmdline(prev); @@ -139,6 +142,8 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, if (next != wakeup_task) return; + pc = preempt_count(); + /* The task we are waiting for is waking up */ data = wakeup_trace->data[wakeup_cpu]; @@ -155,7 +160,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev, if (unlikely(!tracer_enabled || next != wakeup_task)) goto out_unlock; - trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags); + trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags, pc); /* * usecs conversion is slow so we try to delay the conversion @@ -220,6 +225,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p) int cpu = smp_processor_id(); unsigned long flags; long disabled; + int pc; if (likely(!tracer_enabled)) return; @@ -232,6 +238,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p) p->prio >= current->prio) return; + pc = preempt_count(); disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled); if (unlikely(disabled != 1)) goto out; @@ -256,7 +263,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p) wakeup_trace->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu); trace_function(wakeup_trace, wakeup_trace->data[wakeup_cpu], - CALLER_ADDR1, CALLER_ADDR2, flags); + CALLER_ADDR1, CALLER_ADDR2, flags, pc); out_locked: __raw_spin_unlock(&wakeup_lock); -- GitLab From 77ae11f63befb7fc41ec256f1fcb72ca7e4160d5 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 2 Oct 2008 11:04:14 +0200 Subject: [PATCH 4675/6244] ring-buffer: fix build error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix: kernel/trace/ring_buffer.c: In function ‘rb_allocate_pages’: kernel/trace/ring_buffer.c:235: error: ‘cpu’ undeclared (first use in this function) kernel/trace/ring_buffer.c:235: error: (Each undeclared identifier is reported only once kernel/trace/ring_buffer.c:235: error: for each function it appears in.) Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 98145718988d..54a30986493a 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -232,7 +232,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, for (i = 0; i < nr_pages; i++) { page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()), - GFP_KERNEL, cpu_to_node(cpu)); + GFP_KERNEL, cpu_to_node(i)); if (!page) goto free_pages; list_add(&page->list, &pages); -- GitLab From cb5ab74204a6e2579d1119bf1348eb806526b12b Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 2 Oct 2008 12:59:20 +0200 Subject: [PATCH 4676/6244] tracing/fastboot: change the printing of boot tracer according to bootgraph.pl Change the boot tracer printing to make it parsable for the scripts/bootgraph.pl script. We have now to output two lines for each initcall, according to the printk in do_one_initcall() in init/main.c We need now the call's time and the return's time. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 2 ++ init/main.c | 20 +++++++++----------- kernel/trace/trace_boot.c | 22 +++++++++++++++------- 3 files changed, 26 insertions(+), 18 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 91954eb6460f..4455490d91bd 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -216,6 +216,8 @@ struct boot_trace { initcall_t func; int result; unsigned long long duration; + ktime_t calltime; + ktime_t rettime; }; #ifdef CONFIG_BOOT_TRACER diff --git a/init/main.c b/init/main.c index 1e39a1eab190..61eb66159391 100644 --- a/init/main.c +++ b/init/main.c @@ -706,34 +706,32 @@ __setup("initcall_debug", initcall_debug_setup); int do_one_initcall(initcall_t fn) { int count = preempt_count(); - ktime_t t0, t1, delta; + ktime_t delta; char msgbuf[64]; - int result; struct boot_trace it; if (initcall_debug) { it.caller = task_pid_nr(current); it.func = fn; printk("calling %pF @ %i\n", fn, it.caller); - t0 = ktime_get(); + it.calltime = ktime_get(); } - result = fn(); + it.result = fn(); if (initcall_debug) { - t1 = ktime_get(); - delta = ktime_sub(t1, t0); - it.result = result; + it.rettime = ktime_get(); + delta = ktime_sub(it.rettime, it.calltime); it.duration = (unsigned long long) delta.tv64 >> 20; printk("initcall %pF returned %d after %Ld msecs\n", fn, - result, it.duration); + it.result, it.duration); trace_boot(&it); } msgbuf[0] = 0; - if (result && result != -ENODEV && initcall_debug) - sprintf(msgbuf, "error code %d ", result); + if (it.result && it.result != -ENODEV && initcall_debug) + sprintf(msgbuf, "error code %d ", it.result); if (preempt_count() != count) { strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); @@ -747,7 +745,7 @@ int do_one_initcall(initcall_t fn) printk("initcall %pF returned with %s\n", fn, msgbuf); } - return result; + return it.result; } diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index f2dac6f1cf06..7c15f3e68ba3 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -52,16 +52,24 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter) struct trace_boot *field = (struct trace_boot *)entry; struct boot_trace *it = &field->initcall; struct trace_seq *s = &iter->seq; + struct timespec calltime = ktime_to_timespec(it->calltime); + struct timespec rettime = ktime_to_timespec(it->rettime); if (entry->type == TRACE_BOOT) { - ret = trace_seq_printf(s, "%pF called from %i " - "returned %d after %lld msecs\n", - it->func, it->caller, it->result, - it->duration); - if (ret) - return TRACE_TYPE_HANDLED; - else + ret = trace_seq_printf(s, "[%5ld.%06ld] calling %pF @ %i\n", + calltime.tv_sec, + calltime.tv_nsec, + it->func, it->caller); + if (!ret) return TRACE_TYPE_PARTIAL_LINE; + ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %pF " + "returned %d after %lld msecs\n", + rettime.tv_sec, + rettime.tv_nsec, + it->func, it->result, it->duration); + if (!ret) + return TRACE_TYPE_PARTIAL_LINE; + return TRACE_TYPE_HANDLED; } return TRACE_TYPE_UNHANDLED; } -- GitLab From 5601020feb0c3010e9e3e0131e9697ac6a06777b Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Thu, 2 Oct 2008 13:26:05 +0200 Subject: [PATCH 4677/6244] tracing/fastboot: get the initcall name before it disappears After some initcall traces, some initcall names may be inconsistent. That's because these functions will disappear from the .init section and also their name from the symbols table. So we have to copy the name of the function in a buffer large enough during the trace appending. It is not costly for the ring_buffer because the number of initcall entries is commonly not really large. Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 7 ++++--- init/main.c | 3 +-- kernel/trace/trace_boot.c | 14 ++++++++++---- 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 4455490d91bd..e672e51c40a9 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -7,6 +7,7 @@ #include #include #include +#include extern int ftrace_enabled; extern int @@ -213,7 +214,7 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { } struct boot_trace { pid_t caller; - initcall_t func; + char func[KSYM_NAME_LEN]; int result; unsigned long long duration; ktime_t calltime; @@ -221,10 +222,10 @@ struct boot_trace { }; #ifdef CONFIG_BOOT_TRACER -extern void trace_boot(struct boot_trace *it); +extern void trace_boot(struct boot_trace *it, initcall_t fn); extern void start_boot_trace(void); #else -static inline void trace_boot(struct boot_trace *it) { } +static inline void trace_boot(struct boot_trace *it, initcall_t fn) { } static inline void start_boot_trace(void) { } #endif diff --git a/init/main.c b/init/main.c index 61eb66159391..8e96a0ef17f4 100644 --- a/init/main.c +++ b/init/main.c @@ -712,7 +712,6 @@ int do_one_initcall(initcall_t fn) if (initcall_debug) { it.caller = task_pid_nr(current); - it.func = fn; printk("calling %pF @ %i\n", fn, it.caller); it.calltime = ktime_get(); } @@ -725,7 +724,7 @@ int do_one_initcall(initcall_t fn) it.duration = (unsigned long long) delta.tv64 >> 20; printk("initcall %pF returned %d after %Ld msecs\n", fn, it.result, it.duration); - trace_boot(&it); + trace_boot(&it, fn); } msgbuf[0] = 0; diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index 7c15f3e68ba3..b9dc2c0093ab 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "trace.h" @@ -56,17 +57,19 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter) struct timespec rettime = ktime_to_timespec(it->rettime); if (entry->type == TRACE_BOOT) { - ret = trace_seq_printf(s, "[%5ld.%06ld] calling %pF @ %i\n", + ret = trace_seq_printf(s, "[%5ld.%06ld] calling %s @ %i\n", calltime.tv_sec, calltime.tv_nsec, it->func, it->caller); if (!ret) return TRACE_TYPE_PARTIAL_LINE; - ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %pF " + + ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %s " "returned %d after %lld msecs\n", rettime.tv_sec, rettime.tv_nsec, it->func, it->result, it->duration); + if (!ret) return TRACE_TYPE_PARTIAL_LINE; return TRACE_TYPE_HANDLED; @@ -83,8 +86,7 @@ struct tracer boot_tracer __read_mostly = .print_line = initcall_print_line, }; - -void trace_boot(struct boot_trace *it) +void trace_boot(struct boot_trace *it, initcall_t fn) { struct ring_buffer_event *event; struct trace_boot *entry; @@ -95,6 +97,10 @@ void trace_boot(struct boot_trace *it) if (!trace_boot_enabled) return; + /* Get its name now since this function could + * disappear because it is in the .init section. + */ + sprint_symbol(it->func, (unsigned long)fn); preempt_disable(); data = tr->data[smp_processor_id()]; -- GitLab From 3e1932ad59726d794a865cc159c0593d54bf0cb6 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 2 Oct 2008 17:45:47 +0200 Subject: [PATCH 4678/6244] tracing/fastboot: build fix fix: In file included from kernel/sysctl.c:52: include/linux/ftrace.h:217: error: 'KSYM_NAME_LEN' undeclared here (not in a function) Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index e672e51c40a9..deded114dffd 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -1,14 +1,14 @@ #ifndef _LINUX_FTRACE_H #define _LINUX_FTRACE_H -#ifdef CONFIG_FTRACE - #include #include #include #include #include +#ifdef CONFIG_FTRACE + extern int ftrace_enabled; extern int ftrace_enable_sysctl(struct ctl_table *table, int write, -- GitLab From eb7fa935274bb233686fdf7a53f40c5d9ee76ed6 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Thu, 2 Oct 2008 12:00:07 -0700 Subject: [PATCH 4679/6244] ftrace: ktime.h not included in ftrace.h Including eliminates the following error: include/linux/ftrace.h:220: error: expected specifier-qualifier-list before 'ktime_t' Signed-off-by: Steven Noonan Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index deded114dffd..ed53265d1f63 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -3,6 +3,7 @@ #include #include +#include #include #include #include -- GitLab From aa1e0e3bcf95ce684d005bedb16e5d4559455685 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 2 Oct 2008 19:18:09 -0400 Subject: [PATCH 4680/6244] ring_buffer: map to cpu not page My original patch had a compile bug when NUMA was configured. I referenced cpu when it should have been cpu_buffer->cpu. Ingo quickly fixed this bug by replacing cpu with 'i' because that was the loop counter. Unfortunately, the 'i' was the counter of pages, not CPUs. This caused a crash when the number of pages allocated for the buffers exceeded the number of pages, which would usually be the case. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 54a30986493a..6b8dac02364f 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -232,7 +232,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, for (i = 0; i < nr_pages; i++) { page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()), - GFP_KERNEL, cpu_to_node(i)); + GFP_KERNEL, cpu_to_node(cpu_buffer->cpu)); if (!page) goto free_pages; list_add(&page->list, &pages); -- GitLab From 6450c1d3213e27b0dcbf34cce7ad1ae74244c520 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 2 Oct 2008 19:23:04 -0400 Subject: [PATCH 4681/6244] ftrace: move pc counter in irqtrace The assigning of the pc counter is in the wrong spot in the check_critical_timing function. The pc variable is used in the out jump. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace_irqsoff.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index f925dbbff2a6..a7db7f040ae0 100644 --- a/kernel/trace/trace_irqsoff.c +++ b/kernel/trace/trace_irqsoff.c @@ -142,11 +142,11 @@ check_critical_timing(struct trace_array *tr, local_save_flags(flags); + pc = preempt_count(); + if (!report_latency(delta)) goto out; - pc = preempt_count(); - spin_lock_irqsave(&max_trace_lock, flags); /* check if we are still the max latency */ -- GitLab From 097d036a2f25eecc42435c57e010aaf4a2eed2d9 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Fri, 3 Oct 2008 15:39:21 +0200 Subject: [PATCH 4682/6244] tracing/fastboot: only trace non-module initcalls At this time, only built-in initcalls interest us. We can't really produce a relevant graph if we include the modules initcall too. I had good results after this patch (see svg in attachment). Signed-off-by: Frederic Weisbecker Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 2 ++ init/main.c | 1 + kernel/trace/trace_boot.c | 11 ++++++++--- 3 files changed, 11 insertions(+), 3 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index ed53265d1f63..5812dba4ee24 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -225,9 +225,11 @@ struct boot_trace { #ifdef CONFIG_BOOT_TRACER extern void trace_boot(struct boot_trace *it, initcall_t fn); extern void start_boot_trace(void); +extern void stop_boot_trace(void); #else static inline void trace_boot(struct boot_trace *it, initcall_t fn) { } static inline void start_boot_trace(void) { } +static inline void stop_boot_trace(void) { } #endif diff --git a/init/main.c b/init/main.c index 8e96a0ef17f4..e7939de80f3e 100644 --- a/init/main.c +++ b/init/main.c @@ -886,6 +886,7 @@ static int __init kernel_init(void * unused) * we're essentially up and running. Get rid of the * initmem segments and start the user-mode stuff.. */ + stop_boot_trace(); init_post(); return 0; } diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index b9dc2c0093ab..a7efe3559654 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -22,11 +22,16 @@ void start_boot_trace(void) trace_boot_enabled = 1; } -void stop_boot_trace(struct trace_array *tr) +void stop_boot_trace(void) { trace_boot_enabled = 0; } +void reset_boot_trace(struct trace_array *tr) +{ + stop_boot_trace(); +} + static void boot_trace_init(struct trace_array *tr) { int cpu; @@ -43,7 +48,7 @@ static void boot_trace_ctrl_update(struct trace_array *tr) if (tr->ctrl) start_boot_trace(); else - stop_boot_trace(tr); + stop_boot_trace(); } static enum print_line_t initcall_print_line(struct trace_iterator *iter) @@ -81,7 +86,7 @@ struct tracer boot_tracer __read_mostly = { .name = "initcall", .init = boot_trace_init, - .reset = stop_boot_trace, + .reset = reset_boot_trace, .ctrl_update = boot_trace_ctrl_update, .print_line = initcall_print_line, }; -- GitLab From 6f807acd27734197b11d42829d3cbb9c0937b572 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Sat, 4 Oct 2008 02:00:58 -0400 Subject: [PATCH 4683/6244] ring-buffer: move page indexes into page headers Remove the global head and tail indexes and move them into the page header. Each page will now keep track of where the last write and read was made. We also rename the head and tail to read and write for better clarification. This patch is needed for future enhancements to move the ring buffer to a lockless solution. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 75 +++++++++++++++++++++----------------- 1 file changed, 41 insertions(+), 34 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 6b8dac02364f..09d4f0d879a7 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -117,6 +117,8 @@ void *ring_buffer_event_data(struct ring_buffer_event *event) struct buffer_page { u64 time_stamp; /* page time stamp */ unsigned size; /* size of page data */ + unsigned write; /* index for next write */ + unsigned read; /* index for next read */ struct list_head list; /* list of free pages */ void *page; /* Actual data page */ }; @@ -153,11 +155,8 @@ struct ring_buffer_per_cpu { spinlock_t lock; struct lock_class_key lock_key; struct list_head pages; - unsigned long head; /* read from head */ - unsigned long tail; /* write to tail */ - unsigned long reader; - struct buffer_page *head_page; - struct buffer_page *tail_page; + struct buffer_page *head_page; /* read from head */ + struct buffer_page *tail_page; /* write to tail */ struct buffer_page *reader_page; unsigned long overrun; unsigned long entries; @@ -566,10 +565,11 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) { - return (cpu_buffer->reader == cpu_buffer->reader_page->size && + return cpu_buffer->reader_page->read == cpu_buffer->reader_page->size && (cpu_buffer->tail_page == cpu_buffer->reader_page || (cpu_buffer->tail_page == cpu_buffer->head_page && - cpu_buffer->head == cpu_buffer->tail))); + cpu_buffer->head_page->read == + cpu_buffer->tail_page->write)); } static inline int rb_null_event(struct ring_buffer_event *event) @@ -577,7 +577,7 @@ static inline int rb_null_event(struct ring_buffer_event *event) return event->type == RINGBUF_TYPE_PADDING; } -static inline void *rb_page_index(struct buffer_page *page, unsigned index) +static inline void *__rb_page_index(struct buffer_page *page, unsigned index) { return page->page + index; } @@ -585,15 +585,21 @@ static inline void *rb_page_index(struct buffer_page *page, unsigned index) static inline struct ring_buffer_event * rb_reader_event(struct ring_buffer_per_cpu *cpu_buffer) { - return rb_page_index(cpu_buffer->reader_page, - cpu_buffer->reader); + return __rb_page_index(cpu_buffer->reader_page, + cpu_buffer->reader_page->read); +} + +static inline struct ring_buffer_event * +rb_head_event(struct ring_buffer_per_cpu *cpu_buffer) +{ + return __rb_page_index(cpu_buffer->head_page, + cpu_buffer->head_page->read); } static inline struct ring_buffer_event * rb_iter_head_event(struct ring_buffer_iter *iter) { - return rb_page_index(iter->head_page, - iter->head); + return __rb_page_index(iter->head_page, iter->head); } /* @@ -610,7 +616,7 @@ static void rb_update_overflow(struct ring_buffer_per_cpu *cpu_buffer) for (head = 0; head < rb_head_size(cpu_buffer); head += rb_event_length(event)) { - event = rb_page_index(cpu_buffer->head_page, head); + event = __rb_page_index(cpu_buffer->head_page, head); BUG_ON(rb_null_event(event)); /* Only count data entries */ if (event->type != RINGBUF_TYPE_DATA) @@ -640,13 +646,13 @@ rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts) static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer) { - cpu_buffer->head = 0; + cpu_buffer->head_page->read = 0; } static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer) { cpu_buffer->read_stamp = cpu_buffer->reader_page->time_stamp; - cpu_buffer->reader = 0; + cpu_buffer->reader_page->read = 0; } static inline void rb_inc_iter(struct ring_buffer_iter *iter) @@ -743,9 +749,8 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, struct ring_buffer *buffer = cpu_buffer->buffer; struct ring_buffer_event *event; - /* No locking needed for tail page */ tail_page = cpu_buffer->tail_page; - tail = cpu_buffer->tail; + tail = cpu_buffer->tail_page->write; if (tail + length > BUF_PAGE_SIZE) { struct buffer_page *next_page = tail_page; @@ -774,7 +779,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, } if (tail != BUF_PAGE_SIZE) { - event = rb_page_index(tail_page, tail); + event = __rb_page_index(tail_page, tail); /* page padding */ event->type = RINGBUF_TYPE_PADDING; } @@ -784,14 +789,14 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, tail_page->size = 0; tail = 0; cpu_buffer->tail_page = tail_page; - cpu_buffer->tail = tail; + cpu_buffer->tail_page->write = tail; rb_add_stamp(cpu_buffer, ts); spin_unlock(&cpu_buffer->lock); } BUG_ON(tail + length > BUF_PAGE_SIZE); - event = rb_page_index(tail_page, tail); + event = __rb_page_index(tail_page, tail); rb_update_event(event, type, length); return event; @@ -823,12 +828,12 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, return -1; /* check to see if we went to the next page */ - if (cpu_buffer->tail) { + if (cpu_buffer->tail_page->write) { /* Still on same page, update timestamp */ event->time_delta = *delta & TS_MASK; event->array[0] = *delta >> TS_SHIFT; /* commit the time event */ - cpu_buffer->tail += + cpu_buffer->tail_page->write += rb_event_length(event); cpu_buffer->write_stamp = *ts; *delta = 0; @@ -846,7 +851,7 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, ts = ring_buffer_time_stamp(cpu_buffer->cpu); - if (cpu_buffer->tail) { + if (cpu_buffer->tail_page->write) { delta = ts - cpu_buffer->write_stamp; if (test_time_stamp(delta)) { @@ -868,7 +873,7 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, return NULL; /* If the reserve went to the next page, our delta is zero */ - if (!cpu_buffer->tail) + if (!cpu_buffer->tail_page->write) delta = 0; event->time_delta = delta; @@ -933,8 +938,8 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer, struct ring_buffer_event *event) { - cpu_buffer->tail += rb_event_length(event); - cpu_buffer->tail_page->size = cpu_buffer->tail; + cpu_buffer->tail_page->write += rb_event_length(event); + cpu_buffer->tail_page->size = cpu_buffer->tail_page->write; cpu_buffer->write_stamp += event->time_delta; cpu_buffer->entries++; } @@ -1178,10 +1183,10 @@ void ring_buffer_iter_reset(struct ring_buffer_iter *iter) /* Iterator usage is expected to have record disabled */ if (list_empty(&cpu_buffer->reader_page->list)) { iter->head_page = cpu_buffer->head_page; - iter->head = cpu_buffer->head; + iter->head = cpu_buffer->head_page->read; } else { iter->head_page = cpu_buffer->reader_page; - iter->head = cpu_buffer->reader; + iter->head = cpu_buffer->reader_page->read; } if (iter->head) iter->read_stamp = cpu_buffer->read_stamp; @@ -1200,7 +1205,7 @@ int ring_buffer_iter_empty(struct ring_buffer_iter *iter) cpu_buffer = iter->cpu_buffer; return iter->head_page == cpu_buffer->tail_page && - iter->head == cpu_buffer->tail; + iter->head == cpu_buffer->tail_page->write; } static void @@ -1277,11 +1282,11 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) reader = cpu_buffer->reader_page; /* If there's more to read, return this page */ - if (cpu_buffer->reader < reader->size) + if (cpu_buffer->reader_page->read < reader->size) goto out; /* Never should we have an index greater than the size */ - WARN_ON(cpu_buffer->reader > reader->size); + WARN_ON(cpu_buffer->reader_page->read > reader->size); /* check if we caught up to the tail */ reader = NULL; @@ -1342,7 +1347,7 @@ static void rb_advance_reader(struct ring_buffer_per_cpu *cpu_buffer) rb_update_read_stamp(cpu_buffer, event); length = rb_event_length(event); - cpu_buffer->reader += length; + cpu_buffer->reader_page->read += length; } static void rb_advance_iter(struct ring_buffer_iter *iter) @@ -1373,7 +1378,7 @@ static void rb_advance_iter(struct ring_buffer_iter *iter) * at the tail of the buffer. */ BUG_ON((iter->head_page == cpu_buffer->tail_page) && - (iter->head + length > cpu_buffer->tail)); + (iter->head + length > cpu_buffer->tail_page->write)); rb_update_iter_read_stamp(iter, event); @@ -1623,7 +1628,9 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) INIT_LIST_HEAD(&cpu_buffer->reader_page->list); cpu_buffer->reader_page->size = 0; - cpu_buffer->head = cpu_buffer->tail = cpu_buffer->reader = 0; + cpu_buffer->head_page->read = 0; + cpu_buffer->tail_page->write = 0; + cpu_buffer->reader_page->read = 0; cpu_buffer->overrun = 0; cpu_buffer->entries = 0; -- GitLab From bf41a158cacba6ca5fc6407a54e7ad8ce1567e2e Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Sat, 4 Oct 2008 02:00:59 -0400 Subject: [PATCH 4684/6244] ring-buffer: make reentrant This patch replaces the local_irq_save/restore with preempt_disable/ enable. This allows for interrupts to enter while recording. To write to the ring buffer, you must reserve data, and then commit it. During this time, an interrupt may call a trace function that will also record into the buffer before the commit is made. The interrupt will reserve its entry after the first entry, even though the first entry did not finish yet. The time stamp delta of the interrupt entry will be zero, since in the view of the trace, the interrupt happened during the first field anyway. Locking still takes place when the tail/write moves from one page to the next. The reader always takes the locks. A new page pointer is added, called the commit. The write/tail will always point to the end of all entries. The commit field will point to the last committed entry. Only this commit entry may update the write time stamp. The reader can only go up to the commit. It cannot go past it. If a lot of interrupts come in during a commit that fills up the buffer, and it happens to make it all the way around the buffer back to the commit, then a warning is printed and new events will be dropped. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ring_buffer.c | 487 ++++++++++++++++++++++++++++--------- 1 file changed, 374 insertions(+), 113 deletions(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 09d4f0d879a7..94af1fe56bb4 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -116,8 +116,8 @@ void *ring_buffer_event_data(struct ring_buffer_event *event) */ struct buffer_page { u64 time_stamp; /* page time stamp */ - unsigned size; /* size of page data */ - unsigned write; /* index for next write */ + local_t write; /* index for next write */ + local_t commit; /* write commited index */ unsigned read; /* index for next read */ struct list_head list; /* list of free pages */ void *page; /* Actual data page */ @@ -157,6 +157,7 @@ struct ring_buffer_per_cpu { struct list_head pages; struct buffer_page *head_page; /* read from head */ struct buffer_page *tail_page; /* write to tail */ + struct buffer_page *commit_page; /* commited pages */ struct buffer_page *reader_page; unsigned long overrun; unsigned long entries; @@ -185,12 +186,32 @@ struct ring_buffer_iter { u64 read_stamp; }; -#define RB_WARN_ON(buffer, cond) \ - if (unlikely(cond)) { \ - atomic_inc(&buffer->record_disabled); \ - WARN_ON(1); \ - return -1; \ - } +#define RB_WARN_ON(buffer, cond) \ + do { \ + if (unlikely(cond)) { \ + atomic_inc(&buffer->record_disabled); \ + WARN_ON(1); \ + } \ + } while (0) + +#define RB_WARN_ON_RET(buffer, cond) \ + do { \ + if (unlikely(cond)) { \ + atomic_inc(&buffer->record_disabled); \ + WARN_ON(1); \ + return -1; \ + } \ + } while (0) + +#define RB_WARN_ON_ONCE(buffer, cond) \ + do { \ + static int once; \ + if (unlikely(cond) && !once) { \ + once++; \ + atomic_inc(&buffer->record_disabled); \ + WARN_ON(1); \ + } \ + } while (0) /** * check_pages - integrity check of buffer pages @@ -204,22 +225,19 @@ static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer) struct list_head *head = &cpu_buffer->pages; struct buffer_page *page, *tmp; - RB_WARN_ON(cpu_buffer, head->next->prev != head); - RB_WARN_ON(cpu_buffer, head->prev->next != head); + RB_WARN_ON_RET(cpu_buffer, head->next->prev != head); + RB_WARN_ON_RET(cpu_buffer, head->prev->next != head); list_for_each_entry_safe(page, tmp, head, list) { - RB_WARN_ON(cpu_buffer, page->list.next->prev != &page->list); - RB_WARN_ON(cpu_buffer, page->list.prev->next != &page->list); + RB_WARN_ON_RET(cpu_buffer, + page->list.next->prev != &page->list); + RB_WARN_ON_RET(cpu_buffer, + page->list.prev->next != &page->list); } return 0; } -static unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer) -{ - return cpu_buffer->head_page->size; -} - static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages) { @@ -286,7 +304,6 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) page->page = (void *)addr; INIT_LIST_HEAD(&cpu_buffer->reader_page->list); - cpu_buffer->reader_page->size = 0; ret = rb_allocate_pages(cpu_buffer, buffer->pages); if (ret < 0) @@ -294,8 +311,7 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu) cpu_buffer->head_page = list_entry(cpu_buffer->pages.next, struct buffer_page, list); - cpu_buffer->tail_page - = list_entry(cpu_buffer->pages.next, struct buffer_page, list); + cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page; return cpu_buffer; @@ -563,15 +579,6 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size) return -ENOMEM; } -static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) -{ - return cpu_buffer->reader_page->read == cpu_buffer->reader_page->size && - (cpu_buffer->tail_page == cpu_buffer->reader_page || - (cpu_buffer->tail_page == cpu_buffer->head_page && - cpu_buffer->head_page->read == - cpu_buffer->tail_page->write)); -} - static inline int rb_null_event(struct ring_buffer_event *event) { return event->type == RINGBUF_TYPE_PADDING; @@ -602,6 +609,33 @@ rb_iter_head_event(struct ring_buffer_iter *iter) return __rb_page_index(iter->head_page, iter->head); } +static inline unsigned rb_page_write(struct buffer_page *bpage) +{ + return local_read(&bpage->write); +} + +static inline unsigned rb_page_commit(struct buffer_page *bpage) +{ + return local_read(&bpage->commit); +} + +/* Size is determined by what has been commited */ +static inline unsigned rb_page_size(struct buffer_page *bpage) +{ + return rb_page_commit(bpage); +} + +static inline unsigned +rb_commit_index(struct ring_buffer_per_cpu *cpu_buffer) +{ + return rb_page_commit(cpu_buffer->commit_page); +} + +static inline unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer) +{ + return rb_page_commit(cpu_buffer->head_page); +} + /* * When the tail hits the head and the buffer is in overwrite mode, * the head jumps to the next page and all content on the previous @@ -637,16 +671,76 @@ static inline void rb_inc_page(struct ring_buffer_per_cpu *cpu_buffer, *page = list_entry(p, struct buffer_page, list); } -static inline void -rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts) +static inline unsigned +rb_event_index(struct ring_buffer_event *event) { - cpu_buffer->tail_page->time_stamp = *ts; - cpu_buffer->write_stamp = *ts; + unsigned long addr = (unsigned long)event; + + return (addr & ~PAGE_MASK) - (PAGE_SIZE - BUF_PAGE_SIZE); } -static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer) +static inline int +rb_is_commit(struct ring_buffer_per_cpu *cpu_buffer, + struct ring_buffer_event *event) { - cpu_buffer->head_page->read = 0; + unsigned long addr = (unsigned long)event; + unsigned long index; + + index = rb_event_index(event); + addr &= PAGE_MASK; + + return cpu_buffer->commit_page->page == (void *)addr && + rb_commit_index(cpu_buffer) == index; +} + +static inline void +rb_set_commit_event(struct ring_buffer_per_cpu *cpu_buffer, + struct ring_buffer_event *event) +{ + unsigned long addr = (unsigned long)event; + unsigned long index; + + index = rb_event_index(event); + addr &= PAGE_MASK; + + while (cpu_buffer->commit_page->page != (void *)addr) { + RB_WARN_ON(cpu_buffer, + cpu_buffer->commit_page == cpu_buffer->tail_page); + cpu_buffer->commit_page->commit = + cpu_buffer->commit_page->write; + rb_inc_page(cpu_buffer, &cpu_buffer->commit_page); + cpu_buffer->write_stamp = cpu_buffer->commit_page->time_stamp; + } + + /* Now set the commit to the event's index */ + local_set(&cpu_buffer->commit_page->commit, index); +} + +static inline void +rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer) +{ + /* + * We only race with interrupts and NMIs on this CPU. + * If we own the commit event, then we can commit + * all others that interrupted us, since the interruptions + * are in stack format (they finish before they come + * back to us). This allows us to do a simple loop to + * assign the commit to the tail. + */ + while (cpu_buffer->commit_page != cpu_buffer->tail_page) { + cpu_buffer->commit_page->commit = + cpu_buffer->commit_page->write; + rb_inc_page(cpu_buffer, &cpu_buffer->commit_page); + cpu_buffer->write_stamp = cpu_buffer->commit_page->time_stamp; + /* add barrier to keep gcc from optimizing too much */ + barrier(); + } + while (rb_commit_index(cpu_buffer) != + rb_page_write(cpu_buffer->commit_page)) { + cpu_buffer->commit_page->commit = + cpu_buffer->commit_page->write; + barrier(); + } } static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer) @@ -745,61 +839,120 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, unsigned type, unsigned long length, u64 *ts) { struct buffer_page *tail_page, *head_page, *reader_page; - unsigned long tail; + unsigned long tail, write; struct ring_buffer *buffer = cpu_buffer->buffer; struct ring_buffer_event *event; + unsigned long flags; tail_page = cpu_buffer->tail_page; - tail = cpu_buffer->tail_page->write; + write = local_add_return(length, &tail_page->write); + tail = write - length; - if (tail + length > BUF_PAGE_SIZE) { + /* See if we shot pass the end of this buffer page */ + if (write > BUF_PAGE_SIZE) { struct buffer_page *next_page = tail_page; - spin_lock(&cpu_buffer->lock); + spin_lock_irqsave(&cpu_buffer->lock, flags); + rb_inc_page(cpu_buffer, &next_page); head_page = cpu_buffer->head_page; reader_page = cpu_buffer->reader_page; /* we grabbed the lock before incrementing */ - WARN_ON(next_page == reader_page); + RB_WARN_ON(cpu_buffer, next_page == reader_page); + + /* + * If for some reason, we had an interrupt storm that made + * it all the way around the buffer, bail, and warn + * about it. + */ + if (unlikely(next_page == cpu_buffer->commit_page)) { + WARN_ON_ONCE(1); + goto out_unlock; + } if (next_page == head_page) { if (!(buffer->flags & RB_FL_OVERWRITE)) { - spin_unlock(&cpu_buffer->lock); - return NULL; + /* reset write */ + if (tail <= BUF_PAGE_SIZE) + local_set(&tail_page->write, tail); + goto out_unlock; } - /* count overflows */ - rb_update_overflow(cpu_buffer); + /* tail_page has not moved yet? */ + if (tail_page == cpu_buffer->tail_page) { + /* count overflows */ + rb_update_overflow(cpu_buffer); + + rb_inc_page(cpu_buffer, &head_page); + cpu_buffer->head_page = head_page; + cpu_buffer->head_page->read = 0; + } + } - rb_inc_page(cpu_buffer, &head_page); - cpu_buffer->head_page = head_page; - rb_reset_head_page(cpu_buffer); + /* + * If the tail page is still the same as what we think + * it is, then it is up to us to update the tail + * pointer. + */ + if (tail_page == cpu_buffer->tail_page) { + local_set(&next_page->write, 0); + local_set(&next_page->commit, 0); + cpu_buffer->tail_page = next_page; + + /* reread the time stamp */ + *ts = ring_buffer_time_stamp(cpu_buffer->cpu); + cpu_buffer->tail_page->time_stamp = *ts; } - if (tail != BUF_PAGE_SIZE) { + /* + * The actual tail page has moved forward. + */ + if (tail < BUF_PAGE_SIZE) { + /* Mark the rest of the page with padding */ event = __rb_page_index(tail_page, tail); - /* page padding */ event->type = RINGBUF_TYPE_PADDING; } - tail_page->size = tail; - tail_page = next_page; - tail_page->size = 0; - tail = 0; - cpu_buffer->tail_page = tail_page; - cpu_buffer->tail_page->write = tail; - rb_add_stamp(cpu_buffer, ts); - spin_unlock(&cpu_buffer->lock); + if (tail <= BUF_PAGE_SIZE) + /* Set the write back to the previous setting */ + local_set(&tail_page->write, tail); + + /* + * If this was a commit entry that failed, + * increment that too + */ + if (tail_page == cpu_buffer->commit_page && + tail == rb_commit_index(cpu_buffer)) { + rb_set_commit_to_write(cpu_buffer); + } + + spin_unlock_irqrestore(&cpu_buffer->lock, flags); + + /* fail and let the caller try again */ + return ERR_PTR(-EAGAIN); } - BUG_ON(tail + length > BUF_PAGE_SIZE); + /* We reserved something on the buffer */ + + BUG_ON(write > BUF_PAGE_SIZE); event = __rb_page_index(tail_page, tail); rb_update_event(event, type, length); + /* + * If this is a commit and the tail is zero, then update + * this page's time stamp. + */ + if (!tail && rb_is_commit(cpu_buffer, event)) + cpu_buffer->commit_page->time_stamp = *ts; + return event; + + out_unlock: + spin_unlock_irqrestore(&cpu_buffer->lock, flags); + return NULL; } static int @@ -808,6 +961,7 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, { struct ring_buffer_event *event; static int once; + int ret; if (unlikely(*delta > (1ULL << 59) && !once++)) { printk(KERN_WARNING "Delta way too big! %llu" @@ -825,21 +979,38 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer, RB_LEN_TIME_EXTEND, ts); if (!event) - return -1; + return -EBUSY; - /* check to see if we went to the next page */ - if (cpu_buffer->tail_page->write) { - /* Still on same page, update timestamp */ - event->time_delta = *delta & TS_MASK; - event->array[0] = *delta >> TS_SHIFT; - /* commit the time event */ - cpu_buffer->tail_page->write += - rb_event_length(event); + if (PTR_ERR(event) == -EAGAIN) + return -EAGAIN; + + /* Only a commited time event can update the write stamp */ + if (rb_is_commit(cpu_buffer, event)) { + /* + * If this is the first on the page, then we need to + * update the page itself, and just put in a zero. + */ + if (rb_event_index(event)) { + event->time_delta = *delta & TS_MASK; + event->array[0] = *delta >> TS_SHIFT; + } else { + cpu_buffer->commit_page->time_stamp = *ts; + event->time_delta = 0; + event->array[0] = 0; + } cpu_buffer->write_stamp = *ts; - *delta = 0; + /* let the caller know this was the commit */ + ret = 1; + } else { + /* Darn, this is just wasted space */ + event->time_delta = 0; + event->array[0] = 0; + ret = 0; } - return 0; + *delta = 0; + + return ret; } static struct ring_buffer_event * @@ -848,32 +1019,69 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, { struct ring_buffer_event *event; u64 ts, delta; + int commit = 0; + again: ts = ring_buffer_time_stamp(cpu_buffer->cpu); - if (cpu_buffer->tail_page->write) { + /* + * Only the first commit can update the timestamp. + * Yes there is a race here. If an interrupt comes in + * just after the conditional and it traces too, then it + * will also check the deltas. More than one timestamp may + * also be made. But only the entry that did the actual + * commit will be something other than zero. + */ + if (cpu_buffer->tail_page == cpu_buffer->commit_page && + rb_page_write(cpu_buffer->tail_page) == + rb_commit_index(cpu_buffer)) { + delta = ts - cpu_buffer->write_stamp; + /* make sure this delta is calculated here */ + barrier(); + + /* Did the write stamp get updated already? */ + if (unlikely(ts < cpu_buffer->write_stamp)) + goto again; + if (test_time_stamp(delta)) { - int ret; - ret = rb_add_time_stamp(cpu_buffer, &ts, &delta); - if (ret < 0) + commit = rb_add_time_stamp(cpu_buffer, &ts, &delta); + + if (commit == -EBUSY) return NULL; + + if (commit == -EAGAIN) + goto again; + + RB_WARN_ON(cpu_buffer, commit < 0); } - } else { - spin_lock(&cpu_buffer->lock); - rb_add_stamp(cpu_buffer, &ts); - spin_unlock(&cpu_buffer->lock); + } else + /* Non commits have zero deltas */ delta = 0; - } event = __rb_reserve_next(cpu_buffer, type, length, &ts); - if (!event) + if (PTR_ERR(event) == -EAGAIN) + goto again; + + if (!event) { + if (unlikely(commit)) + /* + * Ouch! We needed a timestamp and it was commited. But + * we didn't get our event reserved. + */ + rb_set_commit_to_write(cpu_buffer); return NULL; + } - /* If the reserve went to the next page, our delta is zero */ - if (!cpu_buffer->tail_page->write) + /* + * If the timestamp was commited, make the commit our entry + * now so that we will update it when needed. + */ + if (commit) + rb_set_commit_event(cpu_buffer, event); + else if (!rb_is_commit(cpu_buffer, event)) delta = 0; event->time_delta = delta; @@ -881,6 +1089,8 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer, return event; } +static DEFINE_PER_CPU(int, rb_need_resched); + /** * ring_buffer_lock_reserve - reserve a part of the buffer * @buffer: the ring buffer to reserve from @@ -904,12 +1114,15 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, { struct ring_buffer_per_cpu *cpu_buffer; struct ring_buffer_event *event; - int cpu; + int cpu, resched; if (atomic_read(&buffer->record_disabled)) return NULL; - local_irq_save(*flags); + /* If we are tracing schedule, we don't want to recurse */ + resched = need_resched(); + preempt_disable_notrace(); + cpu = raw_smp_processor_id(); if (!cpu_isset(cpu, buffer->cpumask)) @@ -922,26 +1135,42 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, length = rb_calculate_event_length(length); if (length > BUF_PAGE_SIZE) - return NULL; + goto out; event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length); if (!event) goto out; + /* + * Need to store resched state on this cpu. + * Only the first needs to. + */ + + if (preempt_count() == 1) + per_cpu(rb_need_resched, cpu) = resched; + return event; out: - local_irq_restore(*flags); + if (resched) + preempt_enable_notrace(); + else + preempt_enable_notrace(); return NULL; } static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer, struct ring_buffer_event *event) { - cpu_buffer->tail_page->write += rb_event_length(event); - cpu_buffer->tail_page->size = cpu_buffer->tail_page->write; - cpu_buffer->write_stamp += event->time_delta; cpu_buffer->entries++; + + /* Only process further if we own the commit */ + if (!rb_is_commit(cpu_buffer, event)) + return; + + cpu_buffer->write_stamp += event->time_delta; + + rb_set_commit_to_write(cpu_buffer); } /** @@ -965,7 +1194,16 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer, rb_commit(cpu_buffer, event); - local_irq_restore(flags); + /* + * Only the last preempt count needs to restore preemption. + */ + if (preempt_count() == 1) { + if (per_cpu(rb_need_resched, cpu)) + preempt_enable_no_resched_notrace(); + else + preempt_enable_notrace(); + } else + preempt_enable_no_resched_notrace(); return 0; } @@ -989,15 +1227,17 @@ int ring_buffer_write(struct ring_buffer *buffer, { struct ring_buffer_per_cpu *cpu_buffer; struct ring_buffer_event *event; - unsigned long event_length, flags; + unsigned long event_length; void *body; int ret = -EBUSY; - int cpu; + int cpu, resched; if (atomic_read(&buffer->record_disabled)) return -EBUSY; - local_irq_save(flags); + resched = need_resched(); + preempt_disable_notrace(); + cpu = raw_smp_processor_id(); if (!cpu_isset(cpu, buffer->cpumask)) @@ -1022,11 +1262,26 @@ int ring_buffer_write(struct ring_buffer *buffer, ret = 0; out: - local_irq_restore(flags); + if (resched) + preempt_enable_no_resched_notrace(); + else + preempt_enable_notrace(); return ret; } +static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer) +{ + struct buffer_page *reader = cpu_buffer->reader_page; + struct buffer_page *head = cpu_buffer->head_page; + struct buffer_page *commit = cpu_buffer->commit_page; + + return reader->read == rb_page_commit(reader) && + (commit == reader || + (commit == head && + head->read == rb_page_commit(commit))); +} + /** * ring_buffer_record_disable - stop all writes into the buffer * @buffer: The ring buffer to stop writes to. @@ -1204,8 +1459,8 @@ int ring_buffer_iter_empty(struct ring_buffer_iter *iter) cpu_buffer = iter->cpu_buffer; - return iter->head_page == cpu_buffer->tail_page && - iter->head == cpu_buffer->tail_page->write; + return iter->head_page == cpu_buffer->commit_page && + iter->head == rb_commit_index(cpu_buffer); } static void @@ -1282,15 +1537,16 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) reader = cpu_buffer->reader_page; /* If there's more to read, return this page */ - if (cpu_buffer->reader_page->read < reader->size) + if (cpu_buffer->reader_page->read < rb_page_size(reader)) goto out; /* Never should we have an index greater than the size */ - WARN_ON(cpu_buffer->reader_page->read > reader->size); + RB_WARN_ON(cpu_buffer, + cpu_buffer->reader_page->read > rb_page_size(reader)); /* check if we caught up to the tail */ reader = NULL; - if (cpu_buffer->tail_page == cpu_buffer->reader_page) + if (cpu_buffer->commit_page == cpu_buffer->reader_page) goto out; /* @@ -1301,7 +1557,9 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) reader = cpu_buffer->head_page; cpu_buffer->reader_page->list.next = reader->list.next; cpu_buffer->reader_page->list.prev = reader->list.prev; - cpu_buffer->reader_page->size = 0; + + local_set(&cpu_buffer->reader_page->write, 0); + local_set(&cpu_buffer->reader_page->commit, 0); /* Make the reader page now replace the head */ reader->list.prev->next = &cpu_buffer->reader_page->list; @@ -1313,7 +1571,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) */ cpu_buffer->head_page = cpu_buffer->reader_page; - if (cpu_buffer->tail_page != reader) + if (cpu_buffer->commit_page != reader) rb_inc_page(cpu_buffer, &cpu_buffer->head_page); /* Finally update the reader page to the new head */ @@ -1363,8 +1621,8 @@ static void rb_advance_iter(struct ring_buffer_iter *iter) /* * Check if we are at the end of the buffer. */ - if (iter->head >= iter->head_page->size) { - BUG_ON(iter->head_page == cpu_buffer->tail_page); + if (iter->head >= rb_page_size(iter->head_page)) { + BUG_ON(iter->head_page == cpu_buffer->commit_page); rb_inc_iter(iter); return; } @@ -1377,16 +1635,16 @@ static void rb_advance_iter(struct ring_buffer_iter *iter) * This should not be called to advance the header if we are * at the tail of the buffer. */ - BUG_ON((iter->head_page == cpu_buffer->tail_page) && - (iter->head + length > cpu_buffer->tail_page->write)); + BUG_ON((iter->head_page == cpu_buffer->commit_page) && + (iter->head + length > rb_commit_index(cpu_buffer))); rb_update_iter_read_stamp(iter, event); iter->head += length; /* check for end of page padding */ - if ((iter->head >= iter->head_page->size) && - (iter->head_page != cpu_buffer->tail_page)) + if ((iter->head >= rb_page_size(iter->head_page)) && + (iter->head_page != cpu_buffer->commit_page)) rb_advance_iter(iter); } @@ -1420,7 +1678,7 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts) switch (event->type) { case RINGBUF_TYPE_PADDING: - WARN_ON(1); + RB_WARN_ON(cpu_buffer, 1); rb_advance_reader(cpu_buffer); return NULL; @@ -1622,14 +1880,17 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) { cpu_buffer->head_page = list_entry(cpu_buffer->pages.next, struct buffer_page, list); - cpu_buffer->head_page->size = 0; - cpu_buffer->tail_page = cpu_buffer->head_page; - cpu_buffer->tail_page->size = 0; - INIT_LIST_HEAD(&cpu_buffer->reader_page->list); - cpu_buffer->reader_page->size = 0; + local_set(&cpu_buffer->head_page->write, 0); + local_set(&cpu_buffer->head_page->commit, 0); cpu_buffer->head_page->read = 0; - cpu_buffer->tail_page->write = 0; + + cpu_buffer->tail_page = cpu_buffer->head_page; + cpu_buffer->commit_page = cpu_buffer->head_page; + + INIT_LIST_HEAD(&cpu_buffer->reader_page->list); + local_set(&cpu_buffer->reader_page->write, 0); + local_set(&cpu_buffer->reader_page->commit, 0); cpu_buffer->reader_page->read = 0; cpu_buffer->overrun = 0; -- GitLab From 3ea2e6d71aafe35b8aaf89ed711a283815acfae6 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Sat, 4 Oct 2008 02:01:00 -0400 Subject: [PATCH 4685/6244] ftrace: make some tracers reentrant Now that the ring buffer is reentrant, some of the ftrace tracers (sched_swich, debugging traces) can also be reentrant. Note: Never make the function tracer reentrant, that can cause recursion problems all over the kernel. The function tracer must disable reentrancy. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 10 ++-------- kernel/trace/trace_sched_switch.c | 10 ++-------- 2 files changed, 4 insertions(+), 16 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1cd2e8143bb4..caa4051ce778 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -839,7 +839,6 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { struct trace_array *tr = &global_trace; struct trace_array_cpu *data; - long disabled; int cpu; int pc; @@ -850,12 +849,10 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) preempt_disable_notrace(); cpu = raw_smp_processor_id(); data = tr->data[cpu]; - disabled = atomic_inc_return(&data->disabled); - if (likely(disabled == 1)) + if (likely(!atomic_read(&data->disabled))) ftrace_trace_special(tr, data, arg1, arg2, arg3, pc); - atomic_dec(&data->disabled); preempt_enable_notrace(); } @@ -2961,7 +2958,6 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) struct trace_array_cpu *data; struct print_entry *entry; unsigned long flags, irq_flags; - long disabled; int cpu, len = 0, size, pc; if (!tr->ctrl || tracing_disabled) @@ -2971,9 +2967,8 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) preempt_disable_notrace(); cpu = raw_smp_processor_id(); data = tr->data[cpu]; - disabled = atomic_inc_return(&data->disabled); - if (unlikely(disabled != 1)) + if (unlikely(atomic_read(&data->disabled))) goto out; spin_lock_irqsave(&trace_buf_lock, flags); @@ -2999,7 +2994,6 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args) spin_unlock_irqrestore(&trace_buf_lock, flags); out: - atomic_dec(&data->disabled); preempt_enable_notrace(); return len; diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index c7fa08a5b7f4..b8f56beb1a62 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -24,7 +24,6 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev, { struct trace_array_cpu *data; unsigned long flags; - long disabled; int cpu; int pc; @@ -41,12 +40,10 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev, local_irq_save(flags); cpu = raw_smp_processor_id(); data = ctx_trace->data[cpu]; - disabled = atomic_inc_return(&data->disabled); - if (likely(disabled == 1)) + if (likely(!atomic_read(&data->disabled))) tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc); - atomic_dec(&data->disabled); local_irq_restore(flags); } @@ -55,7 +52,6 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) { struct trace_array_cpu *data; unsigned long flags; - long disabled; int cpu, pc; if (!likely(tracer_enabled)) @@ -67,13 +63,11 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) local_irq_save(flags); cpu = raw_smp_processor_id(); data = ctx_trace->data[cpu]; - disabled = atomic_inc_return(&data->disabled); - if (likely(disabled == 1)) + if (likely(!atomic_read(&data->disabled))) tracing_sched_wakeup_trace(ctx_trace, data, wakee, current, flags, pc); - atomic_dec(&data->disabled); local_irq_restore(flags); } -- GitLab From c2931e05ec5965597cbfb79ad332d4a29aeceb23 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 4 Oct 2008 22:04:44 +0200 Subject: [PATCH 4686/6244] ftrace: return an error when setting a nonexistent tracer When one try to set a nonexistent tracer, no error is returned as if the name of the tracer was correct. We should return -EINVAL. Signed-off-by: Frederic Weisbecker Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index caa4051ce778..78d56614c95b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2381,9 +2381,11 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf, struct tracer *t; char buf[max_tracer_type_len+1]; int i; + size_t ret; if (cnt > max_tracer_type_len) cnt = max_tracer_type_len; + ret = cnt; if (copy_from_user(&buf, ubuf, cnt)) return -EFAULT; @@ -2399,7 +2401,11 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf, if (strcmp(t->name, buf) == 0) break; } - if (!t || t == current_trace) + if (!t) { + ret = -EINVAL; + goto out; + } + if (t == current_trace) goto out; if (current_trace && current_trace->reset) @@ -2412,9 +2418,10 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf, out: mutex_unlock(&trace_types_lock); - filp->f_pos += cnt; + if (ret == cnt) + filp->f_pos += cnt; - return cnt; + return ret; } static ssize_t -- GitLab From 8a5d900cca57115326bc5b9e7f3bac980986c2c8 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 4 Oct 2008 13:42:27 -0700 Subject: [PATCH 4687/6244] tracing/fastboot: fix printk format typo in boot tracer MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When printing nanoseconds, the right printk format string is %09 not %06... Signed-off-by: Arjan van de Ven Acked-by: Frédéric Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/trace_boot.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index a7efe3559654..d0a5e50eeff2 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -62,14 +62,14 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter) struct timespec rettime = ktime_to_timespec(it->rettime); if (entry->type == TRACE_BOOT) { - ret = trace_seq_printf(s, "[%5ld.%06ld] calling %s @ %i\n", + ret = trace_seq_printf(s, "[%5ld.%09ld] calling %s @ %i\n", calltime.tv_sec, calltime.tv_nsec, it->func, it->caller); if (!ret) return TRACE_TYPE_PARTIAL_LINE; - ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %s " + ret = trace_seq_printf(s, "[%5ld.%09ld] initcall %s " "returned %d after %lld msecs\n", rettime.tv_sec, rettime.tv_nsec, -- GitLab From ddc7a01aad195708fc943d9446411d11e3547784 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 4 Oct 2008 21:35:48 +0200 Subject: [PATCH 4688/6244] tracing/fastboot: fix initcalls disposition in bootgraph.pl When bootgraph.pl parses a file, it gives one row for each initcall's pid. But only few of them will be displayed => the longest. This patch corrects it by giving only a rows for pids which have initcalls that will be displayed. [ mingo@elte.hu: resolved conflicts ] Signed-off-by: Frederic Weisbecker Acked-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- scripts/bootgraph.pl | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index d459b8bdef02..c34b359c34a3 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -37,12 +37,12 @@ # dmesg | perl scripts/bootgraph.pl > output.svg # -my @rows; -my %start, %end, %row; +my %start, %end; my $done = 0; -my $rowcount = 0; my $maxtime = 0; my $count = 0; +my %pids; + while (<>) { my $line = $_; if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) { @@ -50,14 +50,8 @@ while (<>) { if ($done == 0) { $start{$func} = $1; } - $row{$func} = 1; if ($line =~ /\@ ([0-9]+)/) { - my $pid = $1; - if (!defined($rows[$pid])) { - $rowcount = $rowcount + 1; - $rows[$pid] = $rowcount; - } - $row{$func} = $rows[$pid]; + $pids{$func} = $1; } $count = $count + 1; } @@ -102,17 +96,25 @@ $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb( my $mult = 950.0 / $maxtime; my $threshold = 0.0500 / $maxtime; my $stylecounter = 0; +my %rows; +my $rowscount = 1; while (($key,$value) = each %start) { my $duration = $end{$key} - $start{$key}; if ($duration >= $threshold) { my $s, $s2, $e, $y; - $s = $value * $mult; + $pid = $pids{$key}; + + if (!defined($rows{$pid})) { + $rows{$pid} = $rowscount; + $rowscount = $rowscount + 1; + } + $s = ($value - $firsttime) * $mult; $s2 = $s + 6; $e = $end{$key} * $mult; $w = $e - $s; - $y = $row{$key} * 150; + $y = $rows{$pid} * 150; $y2 = $y + 4; $style = $styles[$stylecounter]; -- GitLab From 2fbc474901933c8f0c09b0280dfbb6780cb8bd60 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 8 Oct 2008 16:51:49 -0700 Subject: [PATCH 4689/6244] ftrace: fix hex output mode of ftrace Fix the output of ftrace in hex mode as the hi/lo nibbles are output in reverse order. Without this patch, the output of ftrace is: raw mode : 6474 0 141531612444 0 140 + 6402 120 S hex mode : 000091a4 00000000 000000023f1f50c1 00000000 c8 000000b2 00009120 87 ffff00c8 00000035 There is an inversion on ouput hex(6474) is 194a [based on a patch by Philippe Reynes ] Signed-off-by: Harvey Harrison Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 78d56614c95b..36cbb873845f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -336,14 +336,12 @@ trace_seq_putmem(struct trace_seq *s, void *mem, size_t len) } #define HEX_CHARS 17 -static const char hex2asc[] = "0123456789abcdef"; static int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len) { unsigned char hex[HEX_CHARS]; unsigned char *data = mem; - unsigned char byte; int i, j; BUG_ON(len >= HEX_CHARS); @@ -353,10 +351,8 @@ trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len) #else for (i = len-1, j = 0; i >= 0; i--) { #endif - byte = data[i]; - - hex[j++] = hex2asc[byte & 0x0f]; - hex[j++] = hex2asc[byte >> 4]; + hex[j++] = hex_asc_hi(data[i]); + hex[j++] = hex_asc_lo(data[i]); } hex[j++] = ' '; -- GitLab From ad0a3b68114e8f3c25ac0045b45a2838f23e3b3a Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 8 Oct 2008 17:44:55 -0700 Subject: [PATCH 4690/6244] trace: add build-time check to avoid overrunning hex buffer Remove the runtime BUG_ON and change to a compile-time check in the macro that calls the hex format routine [Noticed by Joe Perches] Signed-off-by: Harvey Harrison Signed-off-by: Ingo Molnar --- kernel/trace/trace.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 36cbb873845f..d345d649d073 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -335,7 +335,8 @@ trace_seq_putmem(struct trace_seq *s, void *mem, size_t len) return len; } -#define HEX_CHARS 17 +#define MAX_MEMHEX_BYTES 8 +#define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) static int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len) @@ -344,8 +345,6 @@ trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len) unsigned char *data = mem; int i, j; - BUG_ON(len >= HEX_CHARS); - #ifdef __BIG_ENDIAN for (i = 0, j = 0; i < len; i++) { #else @@ -1668,6 +1667,7 @@ do { \ #define SEQ_PUT_HEX_FIELD_RET(s, x) \ do { \ + BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \ if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \ return 0; \ } while (0) -- GitLab From ca538f6bbe583406f941f3041d40c41f9a13d1de Mon Sep 17 00:00:00 2001 From: Tim Bird Date: Thu, 9 Oct 2008 15:23:05 -0700 Subject: [PATCH 4691/6244] tracing/fastboot: add better resolution to initcall debug/tracing Change the time resolution for initcall_debug to microseconds, from milliseconds. This is handy to determine which initcalls you want to work on for faster booting. One one of my test machines, over 90% of the initcalls are less than a millisecond and (without this patch) these are all reported as 0 msecs. Working on the 900 us ones is more important than the 4 us ones. With 'quiet' on the kernel command line, this adds no significant overhead to kernel boot time. Signed-off-by: Tim Bird Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- include/linux/ftrace.h | 4 ++-- init/main.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 5812dba4ee24..a3d46151be19 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -215,9 +215,9 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { } struct boot_trace { pid_t caller; - char func[KSYM_NAME_LEN]; + char func[KSYM_NAME_LEN]; int result; - unsigned long long duration; + unsigned long long duration; /* usecs */ ktime_t calltime; ktime_t rettime; }; diff --git a/init/main.c b/init/main.c index e7939de80f3e..b2e7ff4a5349 100644 --- a/init/main.c +++ b/init/main.c @@ -721,8 +721,8 @@ int do_one_initcall(initcall_t fn) if (initcall_debug) { it.rettime = ktime_get(); delta = ktime_sub(it.rettime, it.calltime); - it.duration = (unsigned long long) delta.tv64 >> 20; - printk("initcall %pF returned %d after %Ld msecs\n", fn, + it.duration = (unsigned long long) delta.tv64 >> 10; + printk("initcall %pF returned %d after %Ld usecs\n", fn, it.result, it.duration); trace_boot(&it, fn); } -- GitLab From bfadadfccc19e36f7d600c5ce7b3e5ba5197fbf0 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 10 Oct 2008 03:48:25 -0400 Subject: [PATCH 4692/6244] markers: fix synchronize marker unregister static inline Use a #define for synchronize marker unregister to fix include dependencies. Fixes the slab circular inclusion which triggers when slab.git is combined with tracing.git, where rcupdate includes slab, which includes markers which includes rcupdate. Signed-off-by: Mathieu Desnoyers Acked-by: Pekka Enberg Signed-off-by: Ingo Molnar --- include/linux/marker.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/include/linux/marker.h b/include/linux/marker.h index 38e32e781ed7..889196c7fbb1 100644 --- a/include/linux/marker.h +++ b/include/linux/marker.h @@ -13,7 +13,6 @@ */ #include -#include struct module; struct marker; @@ -166,9 +165,6 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe, * unregistration and the end of module exit to make sure there is no caller * executing a probe when it is freed. */ -static inline void marker_synchronize_unregister(void) -{ - synchronize_sched(); -} +#define marker_synchronize_unregister() synchronize_sched() #endif -- GitLab From 8b27386a9ce9c7f0f8702cff7565a46802ad57d1 Mon Sep 17 00:00:00 2001 From: Anders Kaseorg Date: Thu, 9 Oct 2008 22:19:08 -0400 Subject: [PATCH 4693/6244] ftrace: make ftrace_test_p6nop disassembler-friendly Commit 4c3dc21b136f8cb4b72afee16c3ba7e961656c0b in tip introduced the 5-byte NOP ftrace_test_p6nop: jmp . + 5 .byte 0x00, 0x00, 0x00 This is not friendly to disassemblers because an odd number of 0x00s ends in the middle of an instruction boundary. This changes the 0x00s to 1-byte NOPs (0x90). Signed-off-by: Anders Kaseorg Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- arch/x86/kernel/ftrace.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 222507e8157b..d073d981a730 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -132,7 +132,9 @@ int __init ftrace_dyn_arch_init(void *data) ".section .text, \"ax\"\n" "ftrace_test_jmp:" "jmp ftrace_test_p6nop\n" - ".byte 0x00,0x00,0x00\n" /* 2 byte jmp + 3 bytes */ + "nop\n" + "nop\n" + "nop\n" /* 2 byte jmp + 3 bytes */ "ftrace_test_p6nop:" P6_NOP5 "jmp 1f\n" @@ -161,7 +163,7 @@ int __init ftrace_dyn_arch_init(void *data) ftrace_nop = (unsigned long *)ftrace_test_nop5; break; case 2: - pr_info("ftrace: converting mcount calls to jmp 1f\n"); + pr_info("ftrace: converting mcount calls to jmp . + 5\n"); ftrace_nop = (unsigned long *)ftrace_test_jmp; break; } -- GitLab From f2461fc82a083dd60062e05e704c5fcc1c658ba1 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Mon, 6 Oct 2008 10:33:00 -0400 Subject: [PATCH 4694/6244] tracepoints: tracepoint_synchronize_unregister() Create tracepoint_synchronize_unregister() which must be called before the end of exit() to make sure every probe callers have exited the non preemptible section and thus are not executing the probe code anymore. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- include/linux/tracepoint.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index e623a6fca5c3..199f4c207c1e 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -124,4 +124,11 @@ extern void tracepoint_iter_reset(struct tracepoint_iter *iter); extern int tracepoint_get_iter_range(struct tracepoint **tracepoint, struct tracepoint *begin, struct tracepoint *end); +/* + * tracepoint_synchronize_unregister must be called between the last tracepoint + * probe unregistration and the end of module exit to make sure there is no + * caller executing a probe when it is freed. + */ +#define tracepoint_synchronize_unregister() synchronize_sched() + #endif -- GitLab From 231375cc5cc3549bb413f94a164bdcbd5f9ce943 Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 3 Oct 2008 15:01:33 -0400 Subject: [PATCH 4695/6244] tracepoints: synchronize unregister static inline Turn tracepoint synchronize unregister into a static inline. There is no reason to keep it as a macro over a static inline. Signed-off-by: Mathieu Desnoyers Signed-off-by: Ingo Molnar --- include/linux/tracepoint.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 199f4c207c1e..c5bb39c7a770 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -129,6 +129,9 @@ extern int tracepoint_get_iter_range(struct tracepoint **tracepoint, * probe unregistration and the end of module exit to make sure there is no * caller executing a probe when it is freed. */ -#define tracepoint_synchronize_unregister() synchronize_sched() +static inline void tracepoint_synchronize_unregister(void) +{ + synchronize_sched(); +} #endif -- GitLab From 80a398a55d3096ff4572b44271d095413749ebb4 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 14 Sep 2008 15:30:52 -0700 Subject: [PATCH 4696/6244] tracing/fastboot: fix issues and improve output of bootgraph.pl David Sanders reported some issues with bootgraph.pl's display of his sytems bootup; this commit fixes these by scaling the graph not from 0 - end time but from the first initcall to the end time; the minimum display size etc also now need to scale with this, as does the axis display. Signed-off-by: Arjan van de Ven --- scripts/bootgraph.pl | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index c34b359c34a3..4baf49985589 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -40,6 +40,7 @@ my %start, %end; my $done = 0; my $maxtime = 0; +my $firsttime = 100; my $count = 0; my %pids; @@ -49,6 +50,9 @@ while (<>) { my $func = $2; if ($done == 0) { $start{$func} = $1; + if ($1 < $firsttime) { + $firsttime = $1; + } } if ($line =~ /\@ ([0-9]+)/) { $pids{$func} = $1; @@ -65,6 +69,9 @@ while (<>) { if ($line =~ /Write protecting the/) { $done = 1; } + if ($line =~ /Freeing unused kernel memory/) { + $done = 1; + } } if ($count == 0) { @@ -93,8 +100,8 @@ $styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0 $styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -my $mult = 950.0 / $maxtime; -my $threshold = 0.0500 / $maxtime; +my $mult = 950.0 / ($maxtime - $firsttime); +my $threshold = ($maxtime - $firsttime) / 60.0; my $stylecounter = 0; my %rows; my $rowscount = 1; @@ -103,15 +110,9 @@ while (($key,$value) = each %start) { if ($duration >= $threshold) { my $s, $s2, $e, $y; - $pid = $pids{$key}; - - if (!defined($rows{$pid})) { - $rows{$pid} = $rowscount; - $rowscount = $rowscount + 1; - } $s = ($value - $firsttime) * $mult; $s2 = $s + 6; - $e = $end{$key} * $mult; + $e = ($end{$key} - $firsttime) * $mult; $w = $e - $s; $y = $rows{$pid} * 150; @@ -130,11 +131,13 @@ while (($key,$value) = each %start) { # print the time line on top -my $time = 0.0; +my $time = $firsttime; +my $step = ($maxtime - $firsttime) / 15; while ($time < $maxtime) { - my $s2 = $time * $mult; - print "$time\n"; - $time = $time + 0.1; + my $s2 = ($time - $firsttime) * $mult; + my $tm = int($time * 100) / 100.0; + print "$tm\n"; + $time = $time + $step; } print "\n"; -- GitLab From 5c542368a3ded88bed98239fb3570dda416203ee Mon Sep 17 00:00:00 2001 From: Arnaud Patard Date: Fri, 19 Sep 2008 20:16:25 -0700 Subject: [PATCH 4697/6244] tracing/fastboot: fix bootgraph.pl initcall name regexp The regexp used to match the start and the end of an initcall are matching only on [a-zA-Z\_]. This rules out initcalls with a number in them. This patch is fixing that. Signed-off-by: Arnaud Patard Signed-off-by: Ingo Molnar --- scripts/bootgraph.pl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index 4baf49985589..479fb4ea8914 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -46,7 +46,7 @@ my %pids; while (<>) { my $line = $_; - if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) { + if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_]+)\+/) { my $func = $2; if ($done == 0) { $start{$func} = $1; @@ -60,7 +60,7 @@ while (<>) { $count = $count + 1; } - if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) { + if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) { if ($done == 0) { $end{$2} = $1; $maxtime = $1; @@ -75,8 +75,8 @@ while (<>) { } if ($count == 0) { - print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n"; - print "that initcall_debug is passed on the kernel command line.\n\n"; + print "No data found in the dmesg. Make sure that 'printk.time=1' and\n"; + print "'initcall_debug' are passed on the kernel command line.\n\n"; print "Usage: \n"; print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; exit; -- GitLab From 07d1890420cce95c577736e4d67f70cbd39845fe Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Sat, 4 Oct 2008 21:35:48 +0200 Subject: [PATCH 4698/6244] tracing/fastboot: fix initcalls disposition in bootgraph.pl When bootgraph.pl parses a file, it gives one row for each initcall's pid. But only few of them will be displayed => the longest. This patch corrects it by giving only a rows for pids which have initcalls that will be displayed. Signed-off-by: Frederic Weisbecker Acked-by: Arjan van de Ven Signed-off-by: Ingo Molnar --- scripts/bootgraph.pl | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index 479fb4ea8914..5e7316e5aa39 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -110,6 +110,12 @@ while (($key,$value) = each %start) { if ($duration >= $threshold) { my $s, $s2, $e, $y; + $pid = $pids{$key}; + + if (!defined($rows{$pid})) { + $rows{$pid} = $rowscount; + $rowscount = $rowscount + 1; + } $s = ($value - $firsttime) * $mult; $s2 = $s + 6; $e = ($end{$key} - $firsttime) * $mult; -- GitLab From 8825e8e8d09c1fe6352f94c70f6ff73db449ff56 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 14 Oct 2008 09:57:05 +0100 Subject: [PATCH 4699/6244] ALSA: Fix pxa2xx-ac97-lib.c compilation The last ALSA merge broke pxa2xx-ac97-lib.c, as it brought back references to cpu_is_pxa21x that Eric Miao removed in commit 0ffcbfd54ea81ca24c0749f55ca4fcf3e2bdc23e: [ARM] pxa: make cpu_is_pxa2* macros more consistent This patch gets rid of those references, and only keeps cpu_is_pxa25x(). Signed-off-by: Marc Zyngier Acked-by: Eric Miao Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/arm/pxa2xx-ac97-lib.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 99026dfb81ea..34c1d94f921e 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -50,7 +50,7 @@ unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg) mutex_lock(&car_mutex); /* set up primary or secondary codec space */ - if ((cpu_is_pxa21x() || cpu_is_pxa25x()) && reg == AC97_GPIO_STATUS) + if (cpu_is_pxa25x() && reg == AC97_GPIO_STATUS) reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE; else reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; @@ -90,7 +90,7 @@ void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, mutex_lock(&car_mutex); /* set up primary or secondary codec space */ - if ((cpu_is_pxa21x() || cpu_is_pxa25x()) && reg == AC97_GPIO_STATUS) + if (cpu_is_pxa25x() && reg == AC97_GPIO_STATUS) reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE; else reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE; @@ -200,7 +200,7 @@ static inline void pxa_ac97_cold_pxa3xx(void) bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97) { #ifdef CONFIG_PXA25x - if (cpu_is_pxa21x() || cpu_is_pxa25x()) + if (cpu_is_pxa25x()) pxa_ac97_warm_pxa25x(); else #endif @@ -230,7 +230,7 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_try_warm_reset); bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97) { #ifdef CONFIG_PXA25x - if (cpu_is_pxa21x() || cpu_is_pxa25x()) + if (cpu_is_pxa25x()) pxa_ac97_cold_pxa25x(); else #endif @@ -301,7 +301,7 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_suspend); int pxa2xx_ac97_hw_resume(void) { - if (cpu_is_pxa21x() || cpu_is_pxa25x() || cpu_is_pxa27x()) { + if (cpu_is_pxa25x() || cpu_is_pxa27x()) { pxa_gpio_mode(GPIO31_SYNC_AC97_MD); pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); @@ -325,7 +325,7 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev) if (ret < 0) goto err; - if (cpu_is_pxa21x() || cpu_is_pxa25x() || cpu_is_pxa27x()) { + if (cpu_is_pxa25x() || cpu_is_pxa27x()) { pxa_gpio_mode(GPIO31_SYNC_AC97_MD); pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); -- GitLab From daa847356a4f2b2722d78b389ec4f172f24fecd5 Mon Sep 17 00:00:00 2001 From: Chen Gong Date: Tue, 16 Sep 2008 14:14:12 +0800 Subject: [PATCH 4700/6244] [MTD] m25p80.c extended jedec support (v2) Include missing parts of previous patch. Signed-off-by: Chen Gong Signed-off-by: David Woodhouse --- drivers/mtd/devices/m25p80.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 4d3ae085b1d2..697a3a217837 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -548,7 +548,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) { int tmp; u8 code = OPCODE_RDID; - u8 id[3]; + u8 id[5]; u32 jedec; u16 ext_jedec; struct flash_info *info; @@ -557,7 +557,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) * string for after vendor-specific data, after the three bytes * we use here. Supporting some chips might require using it. */ - tmp = spi_write_then_read(spi, &code, 1, id, 3); + tmp = spi_write_then_read(spi, &code, 1, id, 5); if (tmp < 0) { DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n", spi->dev.bus_id, tmp); -- GitLab From 08d790432906b3815a1dc91a826ca85ff2a73b6c Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Tue, 14 Oct 2008 11:00:51 +0100 Subject: [PATCH 4701/6244] [MTD] [MAPS] Remove unused variable after ROM API cleanup. Signed-off-by: David Woodhouse --- drivers/mtd/maps/pci.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c index d978c2e28b1d..48f4cf5cb9d1 100644 --- a/drivers/mtd/maps/pci.c +++ b/drivers/mtd/maps/pci.c @@ -225,8 +225,6 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map) static void intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map) { - u32 val; - if (map->base) iounmap(map->base); -- GitLab From 3fc2389847a84d06263c13a3b6dfe1f1d6eea935 Mon Sep 17 00:00:00 2001 From: Richard Genoud Date: Sun, 12 Oct 2008 08:42:28 +0200 Subject: [PATCH 4702/6244] [MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written The functions that write the OOB info (on hardware ECC only) use the HW_SYNDROME method. This is not correct : the start position is "pos = eccsize + chunk" and should be eccsize. So, the standard (nand_write_oob_std) function should be used. This patch corrects this by using NAND_ECC_HW instead of NAND_ECC_HW_SYNDROME. This has only been tested on small pages nand flash. (if anyone can test it on large pages that would be great). kernel version : 2.6.27-rc2 (current git mtd-2.6) Signed-off-by: Richard Genoud Signed-off-by: David Woodhouse --- drivers/mtd/nand/atmel_nand.c | 58 ++++------------------------------- 1 file changed, 6 insertions(+), 52 deletions(-) diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 3387e0d5076b..c98c1570a40b 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -173,48 +173,6 @@ static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len) __raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2); } -/* - * write oob for small pages - */ -static int atmel_nand_write_oob_512(struct mtd_info *mtd, - struct nand_chip *chip, int page) -{ - int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad; - int eccsize = chip->ecc.size, length = mtd->oobsize; - int len, pos, status = 0; - const uint8_t *bufpoi = chip->oob_poi; - - pos = eccsize + chunk; - - chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page); - len = min_t(int, length, chunk); - chip->write_buf(mtd, bufpoi, len); - bufpoi += len; - length -= len; - if (length > 0) - chip->write_buf(mtd, bufpoi, length); - - chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); - status = chip->waitfunc(mtd, chip); - - return status & NAND_STATUS_FAIL ? -EIO : 0; - -} - -/* - * read oob for small pages - */ -static int atmel_nand_read_oob_512(struct mtd_info *mtd, - struct nand_chip *chip, int page, int sndcmd) -{ - if (sndcmd) { - chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page); - sndcmd = 0; - } - chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); - return sndcmd; -} - /* * Calculate HW ECC * @@ -235,14 +193,14 @@ static int atmel_nand_calculate(struct mtd_info *mtd, /* get the first 2 ECC bytes */ ecc_value = ecc_readl(host->ecc, PR); - ecc_code[eccpos[0]] = ecc_value & 0xFF; - ecc_code[eccpos[1]] = (ecc_value >> 8) & 0xFF; + ecc_code[0] = ecc_value & 0xFF; + ecc_code[1] = (ecc_value >> 8) & 0xFF; /* get the last 2 ECC bytes */ ecc_value = ecc_readl(host->ecc, NPR) & ATMEL_ECC_NPARITY; - ecc_code[eccpos[2]] = ecc_value & 0xFF; - ecc_code[eccpos[3]] = (ecc_value >> 8) & 0xFF; + ecc_code[2] = ecc_value & 0xFF; + ecc_code[3] = (ecc_value >> 8) & 0xFF; return 0; } @@ -476,14 +434,12 @@ static int __init atmel_nand_probe(struct platform_device *pdev) res = -EIO; goto err_ecc_ioremap; } - nand_chip->ecc.mode = NAND_ECC_HW_SYNDROME; + nand_chip->ecc.mode = NAND_ECC_HW; nand_chip->ecc.calculate = atmel_nand_calculate; nand_chip->ecc.correct = atmel_nand_correct; nand_chip->ecc.hwctl = atmel_nand_hwctl; nand_chip->ecc.read_page = atmel_nand_read_page; nand_chip->ecc.bytes = 4; - nand_chip->ecc.prepad = 0; - nand_chip->ecc.postpad = 0; } nand_chip->chip_delay = 20; /* 20us command delay time */ @@ -514,7 +470,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev) goto err_scan_ident; } - if (nand_chip->ecc.mode == NAND_ECC_HW_SYNDROME) { + if (nand_chip->ecc.mode == NAND_ECC_HW) { /* ECC is calculated for the whole page (1 step) */ nand_chip->ecc.size = mtd->writesize; @@ -522,8 +478,6 @@ static int __init atmel_nand_probe(struct platform_device *pdev) switch (mtd->writesize) { case 512: nand_chip->ecc.layout = &atmel_oobinfo_small; - nand_chip->ecc.read_oob = atmel_nand_read_oob_512; - nand_chip->ecc.write_oob = atmel_nand_write_oob_512; ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_528); break; case 1024: -- GitLab From 4519d9e54dcd273975ad0adebad2a08c20428029 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 14 Oct 2008 14:15:43 +0200 Subject: [PATCH 4703/6244] tracing/stacktrace: improve help text Improve the help text that is displayed for CONFIG_STACK_TRACER. Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 396aea11398e..11fd03a429f0 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -141,8 +141,17 @@ config STACK_TRACER select FTRACE select STACKTRACE help - This tracer records the max stack of the kernel, and displays - it in debugfs/tracing/stack_trace + This special tracer records the maximum stack footprint of the + kernel and displays it in debugfs/tracing/stack_trace. + + This tracer works by hooking into every function call that the + kernel executes, and keeping a maximum stack depth value and + stack-trace saved. Because this logic has to execute in every + kernel function, all the time, this option can slow down the + kernel measurably and is generally intended for kernel + developers only. + + Say N if unsure. config DYNAMIC_FTRACE bool "enable/disable ftrace tracepoints dynamically" -- GitLab From 98d9c66ab07471006fd7910cb16453581c41a3e7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 14 Oct 2008 14:27:20 +0200 Subject: [PATCH 4704/6244] tracing/fastboot: improve help text Improve the help text of the boot tracer. Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 11fd03a429f0..1cb3e1f616af 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -127,12 +127,17 @@ config BOOT_TRACER select TRACING help This tracer helps developers to optimize boot times: it records - the timings of the initcalls. Its aim is to be parsed by the - /scripts/bootgraph.pl tool to produce pretty graphics about - boot inefficiencies, giving a visual representation of the - delays during initcalls. Note that tracers self tests can't - be enabled if this tracer is selected since only one tracer - should touch the tracing buffer at a time. + the timings of the initcalls and traces key events and the identity + of tasks that can cause boot delays, such as context-switches. + + Its aim is to be parsed by the /scripts/bootgraph.pl tool to + produce pretty graphics about boot inefficiencies, giving a visual + representation of the delays during initcalls - but the raw + /debug/tracing/trace text output is readable too. + + ( Note that tracing self tests can't be enabled if this tracer is + selected, because the self-tests are an initcall as well and that + would invalidate the boot trace. ) config STACK_TRACER bool "Trace max stack" -- GitLab From 6028aa01f759a1dae11e5d0e495b3dc9d2b0a47b Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Tue, 14 Oct 2008 21:23:26 +0900 Subject: [PATCH 4705/6244] [MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL Several Renesas SuperH CPU has FLCTL. The FLCTL support NAND Flash. This driver support SH7723. Signed-off-by: Yoshihiro Shimoda Acked-by: Paul Mundt Signed-off-by: David Woodhouse --- drivers/mtd/nand/Kconfig | 7 + drivers/mtd/nand/Makefile | 1 + drivers/mtd/nand/sh_flctl.c | 301 +++++++++++++++++++++++++++++++++++ include/linux/mtd/sh_flctl.h | 125 +++++++++++++++ 4 files changed, 434 insertions(+) create mode 100644 drivers/mtd/nand/sh_flctl.c create mode 100644 include/linux/mtd/sh_flctl.h diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 82815dd64bf6..89b4d39386ab 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -407,4 +407,11 @@ config MTD_NAND_MXC This enables the driver for the NAND flash controller on the MXC processors. +config MTD_NAND_SH_FLCTL + tristate "Support for NAND on Renesas SuperH FLCTL" + depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723 + help + Several Renesas SuperH CPU has FLCTL. This option enables support + for NAND Flash using FLCTL. This driver support SH7723. + endif # MTD_NAND diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index e0fee048c1b4..9bfeca324b32 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o obj-$(CONFIG_MTD_NAND_FSL_ELBC) += fsl_elbc_nand.o obj-$(CONFIG_MTD_NAND_FSL_UPM) += fsl_upm.o +obj-$(CONFIG_MTD_NAND_SH_FLCTL) += sh_flctl.o obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o nand-objs := nand_base.o nand_bbt.o diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c new file mode 100644 index 000000000000..600a76f5580e --- /dev/null +++ b/drivers/mtd/nand/sh_flctl.c @@ -0,0 +1,301 @@ +/* + * SuperH FLCTL nand controller + * + * Copyright © 2008 Renesas Solutions Corp. + * Copyright © 2008 Atom Create Engineering Co., Ltd. + * + * Based on fsl_elbc_nand.c, Copyright © 2006-2007 Freescale Semiconductor + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +static struct nand_ecclayout flctl_4secc_oob_16 = { + .eccbytes = 10, + .eccpos = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, + .oobfree = { + {.offset = 12, + . length = 4} }, +}; + +static struct nand_ecclayout flctl_4secc_oob_64 = { + .eccbytes = 10, + .eccpos = {48, 49, 50, 51, 52, 53, 54, 55, 56, 57}, + .oobfree = { + {.offset = 60, + . length = 4} }, +}; + +static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; + +static struct nand_bbt_descr flctl_4secc_smallpage = { + .options = NAND_BBT_SCAN2NDPAGE, + .offs = 11, + .len = 1, + .pattern = scan_ff_pattern, +}; + +static struct nand_bbt_descr flctl_4secc_largepage = { + .options = 0, + .offs = 58, + .len = 2, + .pattern = scan_ff_pattern, +}; + +static void empty_fifo(struct sh_flctl *flctl) +{ + writel(0x000c0000, FLINTDMACR(flctl)); /* FIFO Clear */ + writel(0x00000000, FLINTDMACR(flctl)); /* Clear Error flags */ +} + +static void start_translation(struct sh_flctl *flctl) +{ + writeb(TRSTRT, FLTRCR(flctl)); +} + +static void wait_completion(struct sh_flctl *flctl) +{ + uint32_t timeout = LOOP_TIMEOUT_MAX; + + while (timeout--) { + if (readb(FLTRCR(flctl)) & TREND) { + writeb(0x0, FLTRCR(flctl)); + return; + } + udelay(1); + } + + printk(KERN_ERR "wait_completion(): Timeout occured \n"); + writeb(0x0, FLTRCR(flctl)); +} + +static void set_addr(struct mtd_info *mtd, int column, int page_addr) +{ + struct sh_flctl *flctl = mtd_to_flctl(mtd); + uint32_t addr = 0; + + if (column == -1) { + addr = page_addr; /* ERASE1 */ + } else if (page_addr != -1) { + /* SEQIN, READ0, etc.. */ + if (flctl->page_size) { + addr = column & 0x0FFF; + addr |= (page_addr & 0xff) << 16; + addr |= ((page_addr >> 8) & 0xff) << 24; + /* big than 128MB */ + if (flctl->rw_ADRCNT == ADRCNT2_E) { + uint32_t addr2; + addr2 = (page_addr >> 16) & 0xff; + writel(addr2, FLADR2(flctl)); + } + } else { + addr = column; + addr |= (page_addr & 0xff) << 8; + addr |= ((page_addr >> 8) & 0xff) << 16; + addr |= ((page_addr >> 16) & 0xff) << 24; + } + } + writel(addr, FLADR(flctl)); +} + +static void wait_rfifo_ready(struct sh_flctl *flctl) +{ + uint32_t timeout = LOOP_TIMEOUT_MAX; + + while (timeout--) { + uint32_t val; + /* check FIFO */ + val = readl(FLDTCNTR(flctl)) >> 16; + if (val & 0xFF) + return; + udelay(1); + } + printk(KERN_ERR "wait_rfifo_ready(): Timeout occured \n"); +} + +static void wait_wfifo_ready(struct sh_flctl *flctl) +{ + uint32_t len, timeout = LOOP_TIMEOUT_MAX; + + while (timeout--) { + /* check FIFO */ + len = (readl(FLDTCNTR(flctl)) >> 16) & 0xFF; + if (len >= 4) + return; + udelay(1); + } + printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n"); +} + +static int wait_recfifo_ready(struct sh_flctl *flctl) +{ + uint32_t timeout = LOOP_TIMEOUT_MAX; + int checked[4]; + void __iomem *ecc_reg[4]; + int i; + uint32_t data, size; + + memset(checked, 0, sizeof(checked)); + + while (timeout--) { + size = readl(FLDTCNTR(flctl)) >> 24; + if (size & 0xFF) + return 0; /* success */ + + if (readl(FL4ECCCR(flctl)) & _4ECCFA) + return 1; /* can't correct */ + + udelay(1); + if (!(readl(FL4ECCCR(flctl)) & _4ECCEND)) + continue; + + /* start error correction */ + ecc_reg[0] = FL4ECCRESULT0(flctl); + ecc_reg[1] = FL4ECCRESULT1(flctl); + ecc_reg[2] = FL4ECCRESULT2(flctl); + ecc_reg[3] = FL4ECCRESULT3(flctl); + + for (i = 0; i < 3; i++) { + data = readl(ecc_reg[i]); + if (data != INIT_FL4ECCRESULT_VAL && !checked[i]) { + uint8_t org; + int index; + + index = data >> 16; + org = flctl->done_buff[index]; + flctl->done_buff[index] = org ^ (data & 0xFF); + checked[i] = 1; + } + } + + writel(0, FL4ECCCR(flctl)); + } + + printk(KERN_ERR "wait_recfifo_ready(): Timeout occured \n"); + return 1; /* timeout */ +} + +static void wait_wecfifo_ready(struct sh_flctl *flctl) +{ + uint32_t timeout = LOOP_TIMEOUT_MAX; + uint32_t len; + + while (timeout--) { + /* check FLECFIFO */ + len = (readl(FLDTCNTR(flctl)) >> 24) & 0xFF; + if (len >= 4) + return; + udelay(1); + } + printk(KERN_ERR "wait_wecfifo_ready(): Timeout occured \n"); +} + +static void read_datareg(struct sh_flctl *flctl, int offset) +{ + unsigned long data; + unsigned long *buf = (unsigned long *)&flctl->done_buff[offset]; + + wait_completion(flctl); + + data = readl(FLDATAR(flctl)); + *buf = le32_to_cpu(data); +} + +static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset) +{ + int i, len_4align; + unsigned long *buf = (unsigned long *)&flctl->done_buff[offset]; + void *fifo_addr = (void *)FLDTFIFO(flctl); + + len_4align = (rlen + 3) / 4; + + for (i = 0; i < len_4align; i++) { + wait_rfifo_ready(flctl); + buf[i] = readl(fifo_addr); + buf[i] = be32_to_cpu(buf[i]); + } +} + +static int read_ecfiforeg(struct sh_flctl *flctl, uint8_t *buff) +{ + int i; + unsigned long *ecc_buf = (unsigned long *)buff; + void *fifo_addr = (void *)FLECFIFO(flctl); + + for (i = 0; i < 4; i++) { + if (wait_recfifo_ready(flctl)) + return 1; + ecc_buf[i] = readl(fifo_addr); + ecc_buf[i] = be32_to_cpu(ecc_buf[i]); + } + + return 0; +} + +static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset) +{ + int i, len_4align; + unsigned long *data = (unsigned long *)&flctl->done_buff[offset]; + void *fifo_addr = (void *)FLDTFIFO(flctl); + + len_4align = (rlen + 3) / 4; + for (i = 0; i < len_4align; i++) { + wait_wfifo_ready(flctl); + writel(cpu_to_be32(data[i]), fifo_addr); + } +} + +static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val) +{ + struct sh_flctl *flctl = mtd_to_flctl(mtd); + uint32_t flcmncr_val = readl(FLCMNCR(flctl)); + uint32_t flcmdcr_val, addr_len_bytes = 0; + + /* Set SNAND bit if page size is 2048byte */ + if (flctl->page_size) + flcmncr_val |= SNAND_E; + else + flcmncr_val &= ~SNAND_E; + + /* default FLCMDCR val */ + flcmdcr_val = DOCMD1_E | DOADR_E; + + /* Set for FLCMDCR */ + switch (cmd) { + case NAND_CMD_ERASE1: + addr_len_bytes = flctl->erase_ADRCNT; + flcmdcr_val |= DOCMD2_E; + break; + case NAND_CMD_READ0: + case NAND_CMD_READOOB: + addr_len_bytes = flctl->rw_ADRCNT; + flcmdcr_val |= CDSRC_E; + break; + case NAND_CMD_SEQIN: + /* This case is that cmd is READ0 or READ1 or READ00 */ + flcmdcr_val &= ~DOADR_E; /* ONLY execute 1st cmd */ + break; + case NAND_CMD_PAGEPROG: + addr_len_bytes = flctl->rw_ADRCNT; diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h new file mode 100644 index 000000000000..e77c1cea404d --- /dev/null +++ b/include/linux/mtd/sh_flctl.h @@ -0,0 +1,125 @@ +/* + * SuperH FLCTL nand controller + * + * Copyright © 2008 Renesas Solutions Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __SH_FLCTL_H__ +#define __SH_FLCTL_H__ + +#include +#include +#include + +/* FLCTL registers */ +#define FLCMNCR(f) (f->reg + 0x0) +#define FLCMDCR(f) (f->reg + 0x4) +#define FLCMCDR(f) (f->reg + 0x8) +#define FLADR(f) (f->reg + 0xC) +#define FLADR2(f) (f->reg + 0x3C) +#define FLDATAR(f) (f->reg + 0x10) +#define FLDTCNTR(f) (f->reg + 0x14) +#define FLINTDMACR(f) (f->reg + 0x18) +#define FLBSYTMR(f) (f->reg + 0x1C) +#define FLBSYCNT(f) (f->reg + 0x20) +#define FLDTFIFO(f) (f->reg + 0x24) +#define FLECFIFO(f) (f->reg + 0x28) +#define FLTRCR(f) (f->reg + 0x2C) +#define FL4ECCRESULT0(f) (f->reg + 0x80) +#define FL4ECCRESULT1(f) (f->reg + 0x84) +#define FL4ECCRESULT2(f) (f->reg + 0x88) +#define FL4ECCRESULT3(f) (f->reg + 0x8C) +#define FL4ECCCR(f) (f->reg + 0x90) +#define FL4ECCCNT(f) (f->reg + 0x94) +#define FLERRADR(f) (f->reg + 0x98) + +/* FLCMNCR control bits */ +#define ECCPOS2 (0x1 << 25) +#define _4ECCCNTEN (0x1 << 24) +#define _4ECCEN (0x1 << 23) +#define _4ECCCORRECT (0x1 << 22) +#define SNAND_E (0x1 << 18) /* SNAND (0=512 1=2048)*/ +#define QTSEL_E (0x1 << 17) +#define ENDIAN (0x1 << 16) /* 1 = little endian */ +#define FCKSEL_E (0x1 << 15) +#define ECCPOS_00 (0x00 << 12) +#define ECCPOS_01 (0x01 << 12) +#define ECCPOS_02 (0x02 << 12) +#define ACM_SACCES_MODE (0x01 << 10) +#define NANWF_E (0x1 << 9) +#define SE_D (0x1 << 8) /* Spare area disable */ +#define CE1_ENABLE (0x1 << 4) /* Chip Enable 1 */ +#define CE0_ENABLE (0x1 << 3) /* Chip Enable 0 */ +#define TYPESEL_SET (0x1 << 0) + +/* FLCMDCR control bits */ +#define ADRCNT2_E (0x1 << 31) /* 5byte address enable */ +#define ADRMD_E (0x1 << 26) /* Sector address access */ +#define CDSRC_E (0x1 << 25) /* Data buffer selection */ +#define DOSR_E (0x1 << 24) /* Status read check */ +#define SELRW (0x1 << 21) /* 0:read 1:write */ +#define DOADR_E (0x1 << 20) /* Address stage execute */ +#define ADRCNT_1 (0x00 << 18) /* Address data bytes: 1byte */ +#define ADRCNT_2 (0x01 << 18) /* Address data bytes: 2byte */ +#define ADRCNT_3 (0x02 << 18) /* Address data bytes: 3byte */ +#define ADRCNT_4 (0x03 << 18) /* Address data bytes: 4byte */ +#define DOCMD2_E (0x1 << 17) /* 2nd cmd stage execute */ +#define DOCMD1_E (0x1 << 16) /* 1st cmd stage execute */ + +/* FLTRCR control bits */ +#define TRSTRT (0x1 << 0) /* translation start */ +#define TREND (0x1 << 1) /* translation end */ + +/* FL4ECCCR control bits */ +#define _4ECCFA (0x1 << 2) /* 4 symbols correct fault */ +#define _4ECCEND (0x1 << 1) /* 4 symbols end */ +#define _4ECCEXST (0x1 << 0) /* 4 symbols exist */ + +#define INIT_FL4ECCRESULT_VAL 0x03FF03FF +#define LOOP_TIMEOUT_MAX 0x00010000 + +#define mtd_to_flctl(mtd) container_of(mtd, struct sh_flctl, mtd) + +struct sh_flctl { + struct mtd_info mtd; + struct nand_chip chip; + void __iomem *reg; + + uint8_t done_buff[2048 + 64]; /* max size 2048 + 64 */ + int read_bytes; + int index; + int seqin_column; /* column in SEQIN cmd */ + int seqin_page_addr; /* page_addr in SEQIN cmd */ + uint32_t seqin_read_cmd; /* read cmd in SEQIN cmd */ + int erase1_page_addr; /* page_addr in ERASE1 cmd */ + uint32_t erase_ADRCNT; /* bits of FLCMDCR in ERASE1 cmd */ + uint32_t rw_ADRCNT; /* bits of FLCMDCR in READ WRITE cmd */ + + int hwecc_cant_correct[4]; + + unsigned page_size:1; /* NAND page size (0 = 512, 1 = 2048) */ + unsigned hwecc:1; /* Hardware ECC (0 = disabled, 1 = enabled) */ +}; + +struct sh_flctl_platform_data { + struct mtd_partition *parts; + int nr_parts; + unsigned long flcmncr_val; + + unsigned has_hwecc:1; +}; + +#endif /* __SH_FLCTL_H__ */ -- GitLab From 8a0aba733db1adb5e1f0e828889a18f4c1c512de Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Thu, 16 Oct 2008 10:06:27 -0400 Subject: [PATCH 4706/6244] ext4: let the block device know when unused blocks can be discarded Let the block device know when unused blocks can be discarded, using the new sb_issue_discard() interface. Signed-off-by: "Theodore Ts'o" --- fs/ext4/mballoc.c | 7 +++++++ fs/ext4/mballoc.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index bd9b011941a2..815a22ea6078 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2653,6 +2653,7 @@ ext4_mb_free_committed_blocks(struct super_block *sb) struct ext4_sb_info *sbi = EXT4_SB(sb); int err, count = 0, count2 = 0; struct ext4_free_data *entry; + ext4_fsblk_t discard_block; if (list_empty(&sbi->s_committed_transaction)) return; @@ -2696,6 +2697,12 @@ ext4_mb_free_committed_blocks(struct super_block *sb) page_cache_release(e4b.bd_bitmap_page); } ext4_unlock_group(sb, entry->group); + discard_block = (ext4_fsblk_t) entry->group * EXT4_BLOCKS_PER_GROUP(sb) + + entry->start_blk + + le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block); + trace_mark(ext4_discard_blocks, "dev %s blk %llu count %u", sb->s_id, + (unsigned long long) discard_block, entry->count); + sb_issue_discard(sb, discard_block, entry->count); kmem_cache_free(ext4_free_ext_cachep, entry); ext4_mb_release_desc(&e4b); diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h index 9e815c4e37df..94cb7b9fe3ee 100644 --- a/fs/ext4/mballoc.h +++ b/fs/ext4/mballoc.h @@ -18,6 +18,8 @@ #include #include #include +#include +#include #include "ext4_jbd2.h" #include "ext4.h" #include "group.h" -- GitLab From af6f029d3836eb7264cd3fbb13a6baf0e5fdb5ea Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 14 Oct 2008 09:20:19 -0400 Subject: [PATCH 4707/6244] ext4: Use tag dirty lookup during mpage_da_submit_io This enables us to drop the range_cont writeback mode use from ext4_da_writepages. Signed-off-by: Aneesh Kumar K.V --- fs/ext4/inode.c | 30 +++++++++++++----------------- 1 file changed, 13 insertions(+), 17 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 9b4ec9decfd1..4ee3f0692eeb 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1656,17 +1656,23 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd) while (index <= end) { /* XXX: optimize tail */ - nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE); + /* + * We can use PAGECACHE_TAG_DIRTY lookup here because + * even though we have cleared the dirty flag on the page + * We still keep the page in the radix tree with tag + * PAGECACHE_TAG_DIRTY. See clear_page_dirty_for_io. + * The PAGECACHE_TAG_DIRTY is cleared in set_page_writeback + * which is called via the below writepage callback. + */ + nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, + PAGECACHE_TAG_DIRTY, + min(end - index, + (pgoff_t)PAGEVEC_SIZE-1) + 1); if (nr_pages == 0) break; for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; - index = page->index; - if (index > end) - break; - index++; - err = mapping->a_ops->writepage(page, mpd->wbc); if (!err) mpd->pages_written++; @@ -2361,7 +2367,6 @@ static int ext4_da_writepages(struct address_space *mapping, struct writeback_control *wbc) { handle_t *handle = NULL; - loff_t range_start = 0; struct mpage_da_data mpd; struct inode *inode = mapping->host; int needed_blocks, ret = 0, nr_to_writebump = 0; @@ -2386,14 +2391,7 @@ static int ext4_da_writepages(struct address_space *mapping, wbc->nr_to_write = sbi->s_mb_stream_request; } - if (!wbc->range_cyclic) - /* - * If range_cyclic is not set force range_cont - * and save the old writeback_index - */ - wbc->range_cont = 1; - range_start = wbc->range_start; pages_skipped = wbc->pages_skipped; mpd.wbc = wbc; @@ -2452,9 +2450,8 @@ restart_loop: wbc->nr_to_write = to_write; } - if (wbc->range_cont && (pages_skipped != wbc->pages_skipped)) { + if (!wbc->range_cyclic && (pages_skipped != wbc->pages_skipped)) { /* We skipped pages in this loop */ - wbc->range_start = range_start; wbc->nr_to_write = to_write + wbc->pages_skipped - pages_skipped; wbc->pages_skipped = pages_skipped; @@ -2463,7 +2460,6 @@ restart_loop: out_writepages: wbc->nr_to_write = to_write - nr_to_writebump; - wbc->range_start = range_start; return ret; } -- GitLab From 74baaaaec8b4f22e1ae279f5ecca4ff705b28912 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 14 Oct 2008 09:21:02 -0400 Subject: [PATCH 4708/6244] vfs: Remove the range_cont writeback mode. Ext4 was the only user of range_cont writeback mode and ext4 switched to a different method. So remove the range_cont mode which is not used in the kernel. Signed-off-by: Aneesh Kumar K.V Signed-off-by: "Theodore Ts'o" CC: linux-fsdevel@vger.kernel.org --- include/linux/writeback.h | 1 - mm/page-writeback.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 12b15c561a1f..bd91987c065f 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -63,7 +63,6 @@ struct writeback_control { unsigned for_writepages:1; /* This is a writepages() call */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ - unsigned range_cont:1; }; /* diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c130a137c129..e373f14d26f6 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -961,8 +961,6 @@ retry: if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = index; - if (wbc->range_cont) - wbc->range_start = index << PAGE_CACHE_SHIFT; return ret; } EXPORT_SYMBOL(write_cache_pages); -- GitLab From 85462323555dda749f1c5373a8d72679464c968d Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Sun, 8 Jun 2008 21:20:43 +0400 Subject: [PATCH 4709/6244] do_generic_file_read: s/EINTR/EIO/ if lock_page_killable() fails If lock_page_killable() fails because the task was killed by SIGKILL or any other fatal signal, do_generic_file_read() returns -EIO. This seems to be OK, because in fact the userspace won't see this error, the task will dequeue SIGKILL and exit. However, /sbin/init is different, it will dequeue SIGKILL, ignore it, and return to the user-space with the bogus -EIO. Change the code to return the error code from lock_page_killable(), -EINTR. This doesn't fix the bug, but perhaps makes sense anyway. Imho, with this change the code looks a bit more logical, and the "good" init should handle the spurious EINTR or short read. Afaics we can also change lock_page_killable() to return -ERESTARTNOINTR, but this can't prevent the short reads. Signed-off-by: Oleg Nesterov Signed-off-by: Ingo Molnar --- mm/filemap.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 876bc595d0f8..494ff20b6cfa 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1100,8 +1100,9 @@ page_ok: page_not_up_to_date: /* Get exclusive access to the page ... */ - if (lock_page_killable(page)) - goto readpage_eio; + error = lock_page_killable(page); + if (unlikely(error)) + goto readpage_error; page_not_up_to_date_locked: /* Did it get truncated before we got the lock? */ @@ -1130,8 +1131,9 @@ readpage: } if (!PageUptodate(page)) { - if (lock_page_killable(page)) - goto readpage_eio; + error = lock_page_killable(page); + if (unlikely(error)) + goto readpage_error; if (!PageUptodate(page)) { if (page->mapping == NULL) { /* @@ -1143,15 +1145,14 @@ readpage: } unlock_page(page); shrink_readahead_size_eio(filp, ra); - goto readpage_eio; + error = -EIO; + goto readpage_error; } unlock_page(page); } goto page_ok; -readpage_eio: - error = -EIO; readpage_error: /* UHHUH! A synchronous read error occurred. Report it */ desc->error = error; -- GitLab From a5f08a327abc45eb6cb3cc1f5fabf38607ae2acc Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Tue, 14 Oct 2008 17:30:02 +0200 Subject: [PATCH 4710/6244] i2c/isp1301_omap: Convert to a new-style i2c driver, part 1 Based on David Brownell's patch for tps65010, this patch starts converting isp1301_omap.c to new-style i2c driver. Signed-off-by: Felipe Balbi Signed-off-by: Jean Delvare Acked-by: Tony Lindgren --- drivers/i2c/chips/isp1301_omap.c | 59 ++++++++++++++++---------------- 1 file changed, 30 insertions(+), 29 deletions(-) diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 4655b794ebe3..8444fc6fbf61 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -49,7 +49,8 @@ MODULE_LICENSE("GPL"); struct isp1301 { struct otg_transceiver otg; - struct i2c_client client; + struct i2c_client *client; + struct i2c_client c; void (*i2c_release)(struct device *dev); int irq; @@ -153,25 +154,25 @@ static struct i2c_driver isp1301_driver; static inline u8 isp1301_get_u8(struct isp1301 *isp, u8 reg) { - return i2c_smbus_read_byte_data(&isp->client, reg + 0); + return i2c_smbus_read_byte_data(isp->client, reg + 0); } static inline int isp1301_get_u16(struct isp1301 *isp, u8 reg) { - return i2c_smbus_read_word_data(&isp->client, reg); + return i2c_smbus_read_word_data(isp->client, reg); } static inline int isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits) { - return i2c_smbus_write_byte_data(&isp->client, reg + 0, bits); + return i2c_smbus_write_byte_data(isp->client, reg + 0, bits); } static inline int isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits) { - return i2c_smbus_write_byte_data(&isp->client, reg + 1, bits); + return i2c_smbus_write_byte_data(isp->client, reg + 1, bits); } /*-------------------------------------------------------------------------*/ @@ -349,10 +350,10 @@ isp1301_defer_work(struct isp1301 *isp, int work) int status; if (isp && !test_and_set_bit(work, &isp->todo)) { - (void) get_device(&isp->client.dev); + (void) get_device(&isp->client->dev); status = schedule_work(&isp->work); if (!status && !isp->working) - dev_vdbg(&isp->client.dev, + dev_vdbg(&isp->client->dev, "work item %d may be lost\n", work); } } @@ -1135,7 +1136,7 @@ isp1301_work(struct work_struct *work) /* transfer state from otg engine to isp1301 */ if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) { otg_update_isp(isp); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } #endif /* transfer state from isp1301 to otg engine */ @@ -1143,7 +1144,7 @@ isp1301_work(struct work_struct *work) u8 stat = isp1301_clear_latch(isp); isp_update_otg(isp, stat); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) { @@ -1178,7 +1179,7 @@ isp1301_work(struct work_struct *work) } host_resume(isp); // mdelay(10); - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (test_and_clear_bit(WORK_TIMER, &isp->todo)) { @@ -1187,15 +1188,15 @@ isp1301_work(struct work_struct *work) if (!stop) mod_timer(&isp->timer, jiffies + TIMER_JIFFIES); #endif - put_device(&isp->client.dev); + put_device(&isp->client->dev); } if (isp->todo) - dev_vdbg(&isp->client.dev, + dev_vdbg(&isp->client->dev, "work done, todo = 0x%lx\n", isp->todo); if (stop) { - dev_dbg(&isp->client.dev, "stop\n"); + dev_dbg(&isp->client->dev, "stop\n"); break; } } while (isp->todo); @@ -1219,7 +1220,7 @@ static void isp1301_release(struct device *dev) { struct isp1301 *isp; - isp = container_of(dev, struct isp1301, client.dev); + isp = dev_get_drvdata(dev); /* ugly -- i2c hijacks our memory hook to wait_for_completion() */ if (isp->i2c_release) @@ -1233,7 +1234,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) { struct isp1301 *isp; - isp = container_of(i2c, struct isp1301, client); + isp = i2c_get_clientdata(i2c); isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0); isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0); @@ -1285,7 +1286,7 @@ static int isp1301_otg_enable(struct isp1301 *isp) isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND); - dev_info(&isp->client.dev, "ready for dual-role USB ...\n"); + dev_info(&isp->client->dev, "ready for dual-role USB ...\n"); return 0; } @@ -1310,7 +1311,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) #ifdef CONFIG_USB_OTG isp->otg.host = host; - dev_dbg(&isp->client.dev, "registered host\n"); + dev_dbg(&isp->client->dev, "registered host\n"); host_suspend(isp); if (isp->otg.gadget) return isp1301_otg_enable(isp); @@ -1325,7 +1326,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) if (machine_is_omap_h2()) isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0); - dev_info(&isp->client.dev, "A-Host sessions ok\n"); + dev_info(&isp->client->dev, "A-Host sessions ok\n"); isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING, INTR_ID_GND); isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, @@ -1343,7 +1344,7 @@ isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host) return 0; #else - dev_dbg(&isp->client.dev, "host sessions not allowed\n"); + dev_dbg(&isp->client->dev, "host sessions not allowed\n"); return -EINVAL; #endif @@ -1370,7 +1371,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) #ifdef CONFIG_USB_OTG isp->otg.gadget = gadget; - dev_dbg(&isp->client.dev, "registered gadget\n"); + dev_dbg(&isp->client->dev, "registered gadget\n"); /* gadget driver may be suspended until vbus_connect () */ if (isp->otg.host) return isp1301_otg_enable(isp); @@ -1395,7 +1396,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) INTR_SESS_VLD); isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING, INTR_VBUS_VLD); - dev_info(&isp->client.dev, "B-Peripheral sessions ok\n"); + dev_info(&isp->client->dev, "B-Peripheral sessions ok\n"); dump_regs(isp, __func__); /* If this has a Mini-AB connector, this mode is highly @@ -1408,7 +1409,7 @@ isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget) return 0; #else - dev_dbg(&isp->client.dev, "peripheral sessions not allowed\n"); + dev_dbg(&isp->client->dev, "peripheral sessions not allowed\n"); return -EINVAL; #endif } @@ -1528,12 +1529,12 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) isp->timer.data = (unsigned long) isp; isp->irq = -1; - isp->client.addr = address; - i2c_set_clientdata(&isp->client, isp); - isp->client.adapter = bus; - isp->client.driver = &isp1301_driver; - strlcpy(isp->client.name, DRIVER_NAME, I2C_NAME_SIZE); - i2c = &isp->client; + isp->c.addr = address; + i2c_set_clientdata(&isp->c, isp); + isp->c.adapter = bus; + isp->c.driver = &isp1301_driver; + strlcpy(isp->c.name, DRIVER_NAME, I2C_NAME_SIZE); + isp->client = i2c = &isp->c; /* if this is a true probe, verify the chip ... */ if (kind < 0) { @@ -1618,7 +1619,7 @@ fail2: goto fail1; } - isp->otg.dev = &isp->client.dev; + isp->otg.dev = &isp->client->dev; isp->otg.label = DRIVER_NAME; isp->otg.set_host = isp1301_set_host, -- GitLab From 9df013b3e46c67dd3745df91eaccdc719118e0cc Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:02 +0200 Subject: [PATCH 4711/6244] i2c/isp1301_omap: Convert to a new-style i2c driver, part 2 Based on David Brownell's patch for tps65010 and previous work by Felipe Balbi, this patch finishes converting isp1301_omap to a new-style i2c driver. There's definitely room for further drivers cleanups, but these are out of the scope of this patch. Signed-off-by: Jean Delvare Acked-by: Tony Lindgren --- arch/arm/mach-omap1/board-h3.c | 4 ++ arch/arm/mach-omap2/board-h4.c | 11 ++++ drivers/i2c/chips/isp1301_omap.c | 98 +++++++++++--------------------- 3 files changed, 48 insertions(+), 65 deletions(-) diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 2ced6d9984d2..adfcd7b51393 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -476,6 +476,10 @@ static struct i2c_board_info __initdata h3_i2c_board_info[] = { I2C_BOARD_INFO("tps65013", 0x48), /* .irq = OMAP_GPIO_IRQ(??), */ }, + { + I2C_BOARD_INFO("isp1301_omap", 0x2d), + .irq = OMAP_GPIO_IRQ(14), + }, }; static struct omap_gpio_switch h3_gpio_switches[] __initdata = { diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index d4e3b6fc4705..2fef2c845083 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -391,6 +392,13 @@ static struct omap_board_config_kernel h4_config[] = { { OMAP_TAG_LCD, &h4_lcd_config }, }; +static struct i2c_board_info __initdata h4_i2c_board_info[] = { + { + I2C_BOARD_INFO("isp1301_omap", 0x2d), + .irq = OMAP_GPIO_IRQ(125), + }, +}; + static void __init omap_h4_init(void) { /* @@ -411,6 +419,9 @@ static void __init omap_h4_init(void) } #endif + i2c_register_board_info(1, h4_i2c_board_info, + ARRAY_SIZE(h4_i2c_board_info)); + platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); omap_board_config = h4_config; omap_board_config_size = ARRAY_SIZE(h4_config); diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c index 8444fc6fbf61..28902ebd5539 100644 --- a/drivers/i2c/chips/isp1301_omap.c +++ b/drivers/i2c/chips/isp1301_omap.c @@ -50,10 +50,8 @@ MODULE_LICENSE("GPL"); struct isp1301 { struct otg_transceiver otg; struct i2c_client *client; - struct i2c_client c; void (*i2c_release)(struct device *dev); - int irq; int irq_type; u32 last_otg_ctrl; @@ -139,14 +137,6 @@ static inline void notresponding(struct isp1301 *isp) /*-------------------------------------------------------------------------*/ -/* only two addresses possible */ -#define ISP_BASE 0x2c -static unsigned short normal_i2c[] = { - ISP_BASE, ISP_BASE + 1, - I2C_CLIENT_END }; - -I2C_CLIENT_INSMOD; - static struct i2c_driver isp1301_driver; /* smbus apis are used for portability */ @@ -1230,7 +1220,7 @@ static void isp1301_release(struct device *dev) static struct isp1301 *the_transceiver; -static int isp1301_detach_client(struct i2c_client *i2c) +static int __exit isp1301_remove(struct i2c_client *i2c) { struct isp1301 *isp; @@ -1238,7 +1228,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0); isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0); - free_irq(isp->irq, isp); + free_irq(i2c->irq, isp); #ifdef CONFIG_USB_OTG otg_unbind(isp); #endif @@ -1253,7 +1243,7 @@ static int isp1301_detach_client(struct i2c_client *i2c) put_device(&i2c->dev); the_transceiver = 0; - return i2c_detach_client(i2c); + return 0; } /*-------------------------------------------------------------------------*/ @@ -1509,12 +1499,10 @@ isp1301_start_hnp(struct otg_transceiver *dev) /*-------------------------------------------------------------------------*/ -/* no error returns, they'd just make bus scanning stop */ -static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) +static int __init isp1301_probe(struct i2c_client *i2c) { int status; struct isp1301 *isp; - struct i2c_client *i2c; if (the_transceiver) return 0; @@ -1528,37 +1516,19 @@ static int isp1301_probe(struct i2c_adapter *bus, int address, int kind) isp->timer.function = isp1301_timer; isp->timer.data = (unsigned long) isp; - isp->irq = -1; - isp->c.addr = address; - i2c_set_clientdata(&isp->c, isp); - isp->c.adapter = bus; - isp->c.driver = &isp1301_driver; - strlcpy(isp->c.name, DRIVER_NAME, I2C_NAME_SIZE); - isp->client = i2c = &isp->c; - - /* if this is a true probe, verify the chip ... */ - if (kind < 0) { - status = isp1301_get_u16(isp, ISP1301_VENDOR_ID); - if (status != I2C_VENDOR_ID_PHILIPS) { - dev_dbg(&bus->dev, "addr %d not philips id: %d\n", - address, status); - goto fail1; - } - status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID); - if (status != I2C_PRODUCT_ID_PHILIPS_1301) { - dev_dbg(&bus->dev, "%d not isp1301, %d\n", - address, status); - goto fail1; - } - } + i2c_set_clientdata(i2c, isp); + isp->client = i2c; - status = i2c_attach_client(i2c); - if (status < 0) { - dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n", - DRIVER_NAME, address, status); -fail1: - kfree(isp); - return 0; + /* verify the chip (shouldn't be necesary) */ + status = isp1301_get_u16(isp, ISP1301_VENDOR_ID); + if (status != I2C_VENDOR_ID_PHILIPS) { + dev_dbg(&i2c->dev, "not philips id: %d\n", status); + goto fail; + } + status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID); + if (status != I2C_PRODUCT_ID_PHILIPS_1301) { + dev_dbg(&i2c->dev, "not isp1301, %d\n", status); + goto fail; } isp->i2c_release = i2c->dev.release; i2c->dev.release = isp1301_release; @@ -1587,7 +1557,7 @@ fail1: status = otg_bind(isp); if (status < 0) { dev_dbg(&i2c->dev, "can't bind OTG\n"); - goto fail2; + goto fail; } #endif @@ -1600,26 +1570,21 @@ fail1: /* IRQ wired at M14 */ omap_cfg_reg(M14_1510_GPIO2); - isp->irq = OMAP_GPIO_IRQ(2); if (gpio_request(2, "isp1301") == 0) gpio_direction_input(2); isp->irq_type = IRQF_TRIGGER_FALLING; } isp->irq_type |= IRQF_SAMPLE_RANDOM; - status = request_irq(isp->irq, isp1301_irq, + status = request_irq(i2c->irq, isp1301_irq, isp->irq_type, DRIVER_NAME, isp); if (status < 0) { dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n", - isp->irq, status); -#ifdef CONFIG_USB_OTG -fail2: -#endif - i2c_detach_client(i2c); - goto fail1; + i2c->irq, status); + goto fail; } - isp->otg.dev = &isp->client->dev; + isp->otg.dev = &i2c->dev; isp->otg.label = DRIVER_NAME; isp->otg.set_host = isp1301_set_host, @@ -1650,22 +1615,25 @@ fail2: status); return 0; -} -static int isp1301_scan_bus(struct i2c_adapter *bus) -{ - if (!i2c_check_functionality(bus, I2C_FUNC_SMBUS_BYTE_DATA - | I2C_FUNC_SMBUS_READ_WORD_DATA)) - return -EINVAL; - return i2c_probe(bus, &addr_data, isp1301_probe); +fail: + kfree(isp); + return -ENODEV; } +static const struct i2c_device_id isp1301_id[] = { + { "isp1301_omap", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, isp1301_id); + static struct i2c_driver isp1301_driver = { .driver = { .name = "isp1301_omap", }, - .attach_adapter = isp1301_scan_bus, - .detach_client = isp1301_detach_client, + .probe = isp1301_probe, + .remove = __exit_p(isp1301_remove), + .id_table = isp1301_id, }; /*-------------------------------------------------------------------------*/ -- GitLab From ce5640330b10c6cecfbda50569b9f53c081d10c6 Mon Sep 17 00:00:00 2001 From: Rene Herman Date: Tue, 14 Oct 2008 17:30:03 +0200 Subject: [PATCH 4712/6244] i2c-pca-isa: Don't grab arbitrary resources Grabbing ISA bus resources without anything or anyone telling us we should can break boot on randconfig/allyesconfig builds by keeping resources that are in fact owned by different hardware busy and does as reported by Ingo Molnar. Generally it's also dangerous to just poke at random I/O ports and especially those in the range where other old easily confused ISA hardware might live. For this specialized I2C bus driver, insist that the user specifies the resources before grabbing them. The^WA user of this driver is a one time echo "options i2c-pca-isa base=0x330 irq=10" >> /etc/modprobe.conf away from the old behaviour. Signed-off-by: Rene Herman Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-pca-isa.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c index a119784bae10..f80df9ae5054 100644 --- a/drivers/i2c/busses/i2c-pca-isa.c +++ b/drivers/i2c/busses/i2c-pca-isa.c @@ -36,8 +36,8 @@ #define DRIVER "i2c-pca-isa" #define IO_SIZE 4 -static unsigned long base = 0x330; -static int irq = 10; +static unsigned long base; +static int irq = -1; /* Data sheet recommends 59kHz for 100kHz operation due to variation * in the actual clock rate */ @@ -107,6 +107,19 @@ static struct i2c_adapter pca_isa_ops = { .timeout = 100, }; +static int __devinit pca_isa_match(struct device *dev, unsigned int id) +{ + int match = base != 0; + + if (match) { + if (irq <= -1) + dev_warn(dev, "Using polling mode (specify irq)\n"); + } else + dev_err(dev, "Please specify I/O base\n"); + + return match; +} + static int __devinit pca_isa_probe(struct device *dev, unsigned int id) { init_waitqueue_head(&pca_wait); @@ -153,7 +166,7 @@ static int __devexit pca_isa_remove(struct device *dev, unsigned int id) { i2c_del_adapter(&pca_isa_ops); - if (irq > 0) { + if (irq > -1) { disable_irq(irq); free_irq(irq, &pca_isa_ops); } @@ -163,6 +176,7 @@ static int __devexit pca_isa_remove(struct device *dev, unsigned int id) } static struct isa_driver pca_isa_driver = { + .match = pca_isa_match, .probe = pca_isa_probe, .remove = __devexit_p(pca_isa_remove), .driver = { -- GitLab From 4ad48e6ab18c86255f534a2cdcba5a4ead57a15f Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 14 Oct 2008 17:30:03 +0200 Subject: [PATCH 4713/6244] i2c: Renesas Highlander FPGA SMBus support This adds support for the SMBus adapter found in the various FPGAs on the Renesas Highlander platforms. Particularly the R0P7780LC0011RL and R0P7785LC0011RL FPGAs. Functionality is fairly restricted, in that only byte and block data transfers are supported. Normal/fast mode and IRQ/polling are also supported. Primarily used for various RTCs and thermal sensors. Signed-off-by: Paul Mundt Signed-off-by: Jean Delvare --- drivers/i2c/busses/Kconfig | 12 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-highlander.c | 498 ++++++++++++++++++++++++++++ 3 files changed, 511 insertions(+) create mode 100644 drivers/i2c/busses/i2c-highlander.c diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 6ee997b2817c..e54b9fe46804 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -330,6 +330,18 @@ config I2C_GPIO This is a very simple bitbanging I2C driver utilizing the arch-neutral GPIO API to control the SCL and SDA lines. +config I2C_HIGHLANDER + tristate "Highlander FPGA SMBus interface" + depends on SH_HIGHLANDER + help + If you say yes to this option, support will be included for + the SMBus interface located in the FPGA on various Highlander + boards, particularly the R0P7780LC0011RL and R0P7785LC0011RL + FPGAs. This is wholly unrelated to the SoC I2C. + + This driver can also be built as a module. If so, the module + will be called i2c-highlander. + config I2C_IBM_IIC tristate "IBM PPC 4xx on-chip I2C interface" depends on 4xx diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 97dbfa2107fe..0c2c4b26cdf1 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_I2C_BLACKFIN_TWI) += i2c-bfin-twi.o obj-$(CONFIG_I2C_CPM) += i2c-cpm.o obj-$(CONFIG_I2C_DAVINCI) += i2c-davinci.o obj-$(CONFIG_I2C_GPIO) += i2c-gpio.o +obj-$(CONFIG_I2C_HIGHLANDER) += i2c-highlander.o obj-$(CONFIG_I2C_IBM_IIC) += i2c-ibm_iic.o obj-$(CONFIG_I2C_IOP3XX) += i2c-iop3xx.o obj-$(CONFIG_I2C_IXP2000) += i2c-ixp2000.o diff --git a/drivers/i2c/busses/i2c-highlander.c b/drivers/i2c/busses/i2c-highlander.c new file mode 100644 index 000000000000..f4d22ae9d294 --- /dev/null +++ b/drivers/i2c/busses/i2c-highlander.c @@ -0,0 +1,498 @@ +/* + * Renesas Solutions Highlander FPGA I2C/SMBus support. + * + * Supported devices: R0P7780LC0011RL, R0P7785LC0011RL + * + * Copyright (C) 2008 Paul Mundt + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008 Atom Create Engineering Co., Ltd. + * + * This file is subject to the terms and conditions of the GNU General + * Public License version 2. See the file "COPYING" in the main directory + * of this archive for more details. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#define SMCR 0x00 +#define SMCR_START (1 << 0) +#define SMCR_IRIC (1 << 1) +#define SMCR_BBSY (1 << 2) +#define SMCR_ACKE (1 << 3) +#define SMCR_RST (1 << 4) +#define SMCR_IEIC (1 << 6) + +#define SMSMADR 0x02 + +#define SMMR 0x04 +#define SMMR_MODE0 (1 << 0) +#define SMMR_MODE1 (1 << 1) +#define SMMR_CAP (1 << 3) +#define SMMR_TMMD (1 << 4) +#define SMMR_SP (1 << 7) + +#define SMSADR 0x06 +#define SMTRDR 0x46 + +struct highlander_i2c_dev { + struct device *dev; + void __iomem *base; + struct i2c_adapter adapter; + struct completion cmd_complete; + unsigned long last_read_time; + int irq; + u8 *buf; + size_t buf_len; +}; + +static int iic_force_poll, iic_force_normal; +static int iic_timeout = 1000, iic_read_delay; + +static inline void highlander_i2c_irq_enable(struct highlander_i2c_dev *dev) +{ + iowrite16(ioread16(dev->base + SMCR) | SMCR_IEIC, dev->base + SMCR); +} + +static inline void highlander_i2c_irq_disable(struct highlander_i2c_dev *dev) +{ + iowrite16(ioread16(dev->base + SMCR) & ~SMCR_IEIC, dev->base + SMCR); +} + +static inline void highlander_i2c_start(struct highlander_i2c_dev *dev) +{ + iowrite16(ioread16(dev->base + SMCR) | SMCR_START, dev->base + SMCR); +} + +static inline void highlander_i2c_done(struct highlander_i2c_dev *dev) +{ + iowrite16(ioread16(dev->base + SMCR) | SMCR_IRIC, dev->base + SMCR); +} + +static void highlander_i2c_setup(struct highlander_i2c_dev *dev) +{ + u16 smmr; + + smmr = ioread16(dev->base + SMMR); + smmr |= SMMR_TMMD; + + if (iic_force_normal) + smmr &= ~SMMR_SP; + else + smmr |= SMMR_SP; + + iowrite16(smmr, dev->base + SMMR); +} + +static void smbus_write_data(u8 *src, u16 *dst, int len) +{ + for (; len > 1; len -= 2) { + *dst++ = be16_to_cpup((u16 *)src); + src += 2; + } + + if (len) + *dst = *src << 8; +} + +static void smbus_read_data(u16 *src, u8 *dst, int len) +{ + for (; len > 1; len -= 2) { + *(u16 *)dst = cpu_to_be16p(src++); + dst += 2; + } + + if (len) + *dst = *src >> 8; +} + +static void highlander_i2c_command(struct highlander_i2c_dev *dev, + u8 command, int len) +{ + unsigned int i; + u16 cmd = (command << 8) | command; + + for (i = 0; i < len; i += 2) { + if (len - i == 1) + cmd = command << 8; + iowrite16(cmd, dev->base + SMSADR + i); + dev_dbg(dev->dev, "command data[%x] 0x%04x\n", i/2, cmd); + } +} + +static int highlander_i2c_wait_for_bbsy(struct highlander_i2c_dev *dev) +{ + unsigned long timeout; + + timeout = jiffies + msecs_to_jiffies(iic_timeout); + while (ioread16(dev->base + SMCR) & SMCR_BBSY) { + if (time_after(jiffies, timeout)) { + dev_warn(dev->dev, "timeout waiting for bus ready\n"); + return -ETIMEDOUT; + } + + msleep(1); + } + + return 0; +} + +static int highlander_i2c_reset(struct highlander_i2c_dev *dev) +{ + iowrite16(ioread16(dev->base + SMCR) | SMCR_RST, dev->base + SMCR); + return highlander_i2c_wait_for_bbsy(dev); +} + +static int highlander_i2c_wait_for_ack(struct highlander_i2c_dev *dev) +{ + u16 tmp = ioread16(dev->base + SMCR); + + if ((tmp & (SMCR_IRIC | SMCR_ACKE)) == SMCR_ACKE) { + dev_warn(dev->dev, "ack abnormality\n"); + return highlander_i2c_reset(dev); + } + + return 0; +} + +static irqreturn_t highlander_i2c_irq(int irq, void *dev_id) +{ + struct highlander_i2c_dev *dev = dev_id; + + highlander_i2c_done(dev); + complete(&dev->cmd_complete); + + return IRQ_HANDLED; +} + +static void highlander_i2c_poll(struct highlander_i2c_dev *dev) +{ + unsigned long timeout; + u16 smcr; + + timeout = jiffies + msecs_to_jiffies(iic_timeout); + for (;;) { + smcr = ioread16(dev->base + SMCR); + + /* + * Don't bother checking ACKE here, this and the reset + * are handled in highlander_i2c_wait_xfer_done() when + * waiting for the ACK. + */ + + if (smcr & SMCR_IRIC) + return; + if (time_after(jiffies, timeout)) + break; + + cpu_relax(); + cond_resched(); + } + + dev_err(dev->dev, "polling timed out\n"); +} + +static inline int highlander_i2c_wait_xfer_done(struct highlander_i2c_dev *dev) +{ + if (dev->irq) + wait_for_completion_timeout(&dev->cmd_complete, + msecs_to_jiffies(iic_timeout)); + else + /* busy looping, the IRQ of champions */ + highlander_i2c_poll(dev); + + return highlander_i2c_wait_for_ack(dev); +} + +static int highlander_i2c_read(struct highlander_i2c_dev *dev) +{ + int i, cnt; + u16 data[16]; + + if (highlander_i2c_wait_for_bbsy(dev)) + return -EAGAIN; + + highlander_i2c_start(dev); + + if (highlander_i2c_wait_xfer_done(dev)) { + dev_err(dev->dev, "Arbitration loss\n"); + return -EAGAIN; + } + + /* + * The R0P7780LC0011RL FPGA needs a significant delay between + * data read cycles, otherwise the transciever gets confused and + * garbage is returned when the read is subsequently aborted. + * + * It is not sufficient to wait for BBSY. + * + * While this generally only applies to the older SH7780-based + * Highlanders, the same issue can be observed on SH7785 ones, + * albeit less frequently. SH7780-based Highlanders may need + * this to be as high as 1000 ms. + */ + if (iic_read_delay && time_before(jiffies, dev->last_read_time + + msecs_to_jiffies(iic_read_delay))) + msleep(jiffies_to_msecs((dev->last_read_time + + msecs_to_jiffies(iic_read_delay)) - jiffies)); + + cnt = (dev->buf_len + 1) >> 1; + for (i = 0; i < cnt; i++) { + data[i] = ioread16(dev->base + SMTRDR + (i * sizeof(u16))); + dev_dbg(dev->dev, "read data[%x] 0x%04x\n", i, data[i]); + } + + smbus_read_data(data, dev->buf, dev->buf_len); + + dev->last_read_time = jiffies; + + return 0; +} + +static int highlander_i2c_write(struct highlander_i2c_dev *dev) +{ + int i, cnt; + u16 data[16]; + + smbus_write_data(dev->buf, data, dev->buf_len); + + cnt = (dev->buf_len + 1) >> 1; + for (i = 0; i < cnt; i++) { + iowrite16(data[i], dev->base + SMTRDR + (i * sizeof(u16))); + dev_dbg(dev->dev, "write data[%x] 0x%04x\n", i, data[i]); + } + + if (highlander_i2c_wait_for_bbsy(dev)) + return -EAGAIN; + + highlander_i2c_start(dev); + + return highlander_i2c_wait_xfer_done(dev); +} + +static int highlander_i2c_smbus_xfer(struct i2c_adapter *adap, u16 addr, + unsigned short flags, char read_write, + u8 command, int size, + union i2c_smbus_data *data) +{ + struct highlander_i2c_dev *dev = i2c_get_adapdata(adap); + int read = read_write & I2C_SMBUS_READ; + u16 tmp; + + init_completion(&dev->cmd_complete); + + dev_dbg(dev->dev, "addr %04x, command %02x, read_write %d, size %d\n", + addr, command, read_write, size); + + /* + * Set up the buffer and transfer size + */ + switch (size) { + case I2C_SMBUS_BYTE_DATA: + dev->buf = &data->byte; + dev->buf_len = 1; + break; + case I2C_SMBUS_I2C_BLOCK_DATA: + dev->buf = &data->block[1]; + dev->buf_len = data->block[0]; + break; + default: + dev_err(dev->dev, "unsupported command %d\n", size); + return -EINVAL; + } + + /* + * Encode the mode setting + */ + tmp = ioread16(dev->base + SMMR); + tmp &= ~(SMMR_MODE0 | SMMR_MODE1); + + switch (dev->buf_len) { + case 1: + /* default */ + break; + case 8: + tmp |= SMMR_MODE0; + break; + case 16: + tmp |= SMMR_MODE1; + break; + case 32: + tmp |= (SMMR_MODE0 | SMMR_MODE1); + break; + default: + dev_err(dev->dev, "unsupported xfer size %d\n", dev->buf_len); + return -EINVAL; + } + + iowrite16(tmp, dev->base + SMMR); + + /* Ensure we're in a sane state */ + highlander_i2c_done(dev); + + /* Set slave address */ + iowrite16((addr << 1) | read, dev->base + SMSMADR); + + highlander_i2c_command(dev, command, dev->buf_len); + + if (read) + return highlander_i2c_read(dev); + else + return highlander_i2c_write(dev); +} + +static u32 highlander_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_I2C_BLOCK; +} + +static const struct i2c_algorithm highlander_i2c_algo = { + .smbus_xfer = highlander_i2c_smbus_xfer, + .functionality = highlander_i2c_func, +}; + +static int __devinit highlander_i2c_probe(struct platform_device *pdev) +{ + struct highlander_i2c_dev *dev; + struct i2c_adapter *adap; + struct resource *res; + int ret; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "no mem resource\n"); + return -ENODEV; + } + + dev = kzalloc(sizeof(struct highlander_i2c_dev), GFP_KERNEL); + if (unlikely(!dev)) + return -ENOMEM; + + dev->base = ioremap_nocache(res->start, res->end - res->start + 1); + if (unlikely(!dev->base)) { + ret = -ENXIO; + goto err; + } + + dev->dev = &pdev->dev; + platform_set_drvdata(pdev, dev); + + dev->irq = platform_get_irq(pdev, 0); + if (iic_force_poll) + dev->irq = 0; + + if (dev->irq) { + ret = request_irq(dev->irq, highlander_i2c_irq, IRQF_DISABLED, + pdev->name, dev); + if (unlikely(ret)) + goto err_unmap; + + highlander_i2c_irq_enable(dev); + } else { + dev_notice(&pdev->dev, "no IRQ, using polling mode\n"); + highlander_i2c_irq_disable(dev); + } + + dev->last_read_time = jiffies; /* initial read jiffies */ + + highlander_i2c_setup(dev); + + adap = &dev->adapter; + i2c_set_adapdata(adap, dev); + adap->owner = THIS_MODULE; + adap->class = I2C_CLASS_HWMON; + strlcpy(adap->name, "HL FPGA I2C adapter", sizeof(adap->name)); + adap->algo = &highlander_i2c_algo; + adap->dev.parent = &pdev->dev; + adap->nr = pdev->id; + + /* + * Reset the adapter + */ + ret = highlander_i2c_reset(dev); + if (unlikely(ret)) { + dev_err(&pdev->dev, "controller didn't come up\n"); + goto err_free_irq; + } + + ret = i2c_add_numbered_adapter(adap); + if (unlikely(ret)) { + dev_err(&pdev->dev, "failure adding adapter\n"); + goto err_free_irq; + } + + return 0; + +err_free_irq: + if (dev->irq) + free_irq(dev->irq, dev); +err_unmap: + iounmap(dev->base); +err: + kfree(dev); + + platform_set_drvdata(pdev, NULL); + + return ret; +} + +static int __devexit highlander_i2c_remove(struct platform_device *pdev) +{ + struct highlander_i2c_dev *dev = platform_get_drvdata(pdev); + + i2c_del_adapter(&dev->adapter); + + if (dev->irq) + free_irq(dev->irq, dev); + + iounmap(dev->base); + kfree(dev); + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver highlander_i2c_driver = { + .driver = { + .name = "i2c-highlander", + .owner = THIS_MODULE, + }, + + .probe = highlander_i2c_probe, + .remove = __devexit_p(highlander_i2c_remove), +}; + +static int __init highlander_i2c_init(void) +{ + return platform_driver_register(&highlander_i2c_driver); +} + +static void __exit highlander_i2c_exit(void) +{ + platform_driver_unregister(&highlander_i2c_driver); +} + +module_init(highlander_i2c_init); +module_exit(highlander_i2c_exit); + +MODULE_AUTHOR("Paul Mundt"); +MODULE_DESCRIPTION("Renesas Highlander FPGA I2C/SMBus adapter"); +MODULE_LICENSE("GPL v2"); + +module_param(iic_force_poll, bool, 0); +module_param(iic_force_normal, bool, 0); +module_param(iic_timeout, int, 0); +module_param(iic_read_delay, int, 0); + +MODULE_PARM_DESC(iic_force_poll, "Force polling mode"); +MODULE_PARM_DESC(iic_force_normal, + "Force normal mode (100 kHz), default is fast mode (400 kHz)"); +MODULE_PARM_DESC(iic_timeout, "Set timeout value in msecs (default 1000 ms)"); +MODULE_PARM_DESC(iic_read_delay, + "Delay between data read cycles (default 0 ms)"); -- GitLab From b806a71a0e9dacb6763371561caa693c78b93d40 Mon Sep 17 00:00:00 2001 From: Rudolf Marek Date: Tue, 14 Oct 2008 17:30:03 +0200 Subject: [PATCH 4714/6244] i2c-viapro: Add VX800/VX820 support Thanks to new datasheets published on http://linux.via.com.tw we can now add support for VX800/VX820 chipsets. Signed-off-by: Rudolf Marek Signed-off-by: Jean Delvare --- Documentation/i2c/busses/i2c-viapro | 8 ++++++-- drivers/i2c/busses/Kconfig | 4 +++- drivers/i2c/busses/i2c-viapro.c | 4 ++++ 3 files changed, 13 insertions(+), 3 deletions(-) diff --git a/Documentation/i2c/busses/i2c-viapro b/Documentation/i2c/busses/i2c-viapro index 1405fb69984c..22efedf60c87 100644 --- a/Documentation/i2c/busses/i2c-viapro +++ b/Documentation/i2c/busses/i2c-viapro @@ -16,6 +16,9 @@ Supported adapters: * VIA Technologies, Inc. CX700 Datasheet: available on request and under NDA from VIA + * VIA Technologies, Inc. VX800/VX820 + Datasheet: available on http://linux.via.com.tw + Authors: Kyösti Mälkki , Mark D. Studebaker , @@ -49,6 +52,7 @@ Your lspci -n listing must show one of these : device 1106:3372 (VT8237S) device 1106:3287 (VT8251) device 1106:8324 (CX700) + device 1106:8353 (VX800/VX820) If none of these show up, you should look in the BIOS for settings like enable ACPI / SMBus or even USB. @@ -57,5 +61,5 @@ Except for the oldest chips (VT82C596A/B, VT82C686A and most probably VT8231), this driver supports I2C block transactions. Such transactions are mainly useful to read from and write to EEPROMs. -The CX700 additionally appears to support SMBus PEC, although this driver -doesn't implement it yet. +The CX700/VX800/VX820 additionally appears to support SMBus PEC, although +this driver doesn't implement it yet. diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index e54b9fe46804..b32164cfbc4d 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -209,7 +209,7 @@ config I2C_VIA will be called i2c-via. config I2C_VIAPRO - tristate "VIA VT82C596/82C686/82xx and CX700" + tristate "VIA VT82C596/82C686/82xx and CX700/VX800/VX820" depends on PCI help If you say yes to this option, support will be included for the VIA @@ -223,6 +223,8 @@ config I2C_VIAPRO VT8237R/A/S VT8251 CX700 + VX800 + VX820 This driver can also be built as a module. If so, the module will be called i2c-viapro. diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 862eb352a2d9..1345da97b23b 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -36,6 +36,7 @@ VT8237S 0x3372 yes VT8251 0x3287 yes CX700 0x8324 yes + VX800/VX820 0x8353 yes Note: we assume there can only be one device, with one SMBus interface. */ @@ -396,6 +397,7 @@ found: switch (pdev->device) { case PCI_DEVICE_ID_VIA_CX700: + case PCI_DEVICE_ID_VIA_VX800: case PCI_DEVICE_ID_VIA_8251: case PCI_DEVICE_ID_VIA_8237: case PCI_DEVICE_ID_VIA_8237A: @@ -459,6 +461,8 @@ static struct pci_device_id vt596_ids[] = { .driver_data = SMBBA3 }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700), .driver_data = SMBBA3 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800), + .driver_data = SMBBA3 }, { 0, } }; -- GitLab From b84ee0b0c7dc91b729672e6a971fe3b0629ef0ad Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 14 Oct 2008 17:30:04 +0200 Subject: [PATCH 4715/6244] i2c/tps65010: Vibrator hookup to gpiolib All the tps6501{0,1,2,3,4} chips have a signal for hooking up with a vibrator (for non-auditory cell phone "ring") ... expose that as one more (output-only) GPIO. [ dbrownell@users.sourceforge.net: comments; list tps65014 too ] Signed-off-by: Marek Vasut Signed-off-by: David Brownell Signed-off-by: Jean Delvare --- drivers/i2c/chips/tps65010.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c index cf02e8fceb42..acf8b9d5f575 100644 --- a/drivers/i2c/chips/tps65010.c +++ b/drivers/i2c/chips/tps65010.c @@ -456,14 +456,17 @@ static irqreturn_t tps65010_irq(int irq, void *_tps) /* offsets 0..3 == GPIO1..GPIO4 * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes) + * offset 6 == vibrator motor driver */ static void tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { if (offset < 4) tps65010_set_gpio_out_value(offset + 1, value); - else + else if (offset < 6) tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); } static int @@ -477,8 +480,10 @@ tps65010_output(struct gpio_chip *chip, unsigned offset, int value) if (!(tps->outmask & (1 << offset))) return -EINVAL; tps65010_set_gpio_out_value(offset + 1, value); - } else + } else if (offset < 6) tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); return 0; } @@ -646,7 +651,7 @@ static int tps65010_probe(struct i2c_client *client, tps->chip.get = tps65010_gpio_get; tps->chip.base = board->base; - tps->chip.ngpio = 6; + tps->chip.ngpio = 7; tps->chip.can_sleep = 1; status = gpiochip_add(&tps->chip); @@ -675,6 +680,7 @@ static const struct i2c_device_id tps65010_id[] = { { "tps65011", TPS65011 }, { "tps65012", TPS65012 }, { "tps65013", TPS65013 }, + { "tps65014", TPS65011 }, /* tps65011 charging at 6.5V max */ { } }; MODULE_DEVICE_TABLE(i2c, tps65010_id); -- GitLab From dbc2bc251e06c83efcc8d39f1e7de12c2b1ff591 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:04 +0200 Subject: [PATCH 4716/6244] hwmon: (dme1737) Be less i2c-centric The dme1737 driver support both LPC (ISA) and SMBus devices. At the moment it's rather i2c-centric, and LPC variants use a fake i2c_client for some operations. In a near future, i2c_client will be allocated by i2c-core rather than by the device drivers, so non-i2c drivers will not have one. As a preparation step, change the driver code to no longer assume that an i2c_client structure is always available. No functional change. Signed-off-by: Jean Delvare Cc: Juerg Haefliger --- drivers/hwmon/dme1737.c | 226 ++++++++++++++++++++-------------------- 1 file changed, 111 insertions(+), 115 deletions(-) diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index cdb8311e4ef7..2bf97e1470c0 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -175,11 +175,12 @@ static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23}; * Data structures and manipulation thereof * --------------------------------------------------------------------- */ -/* For ISA chips, we abuse the i2c_client addr and name fields. We also use - the driver field to differentiate between I2C and ISA chips. */ struct dme1737_data { - struct i2c_client client; + struct i2c_client _client; /* will go away soon */ + struct i2c_client *client; /* for I2C devices only */ struct device *hwmon_dev; + const char *name; + unsigned int addr; /* for ISA devices only */ struct mutex update_lock; int valid; /* !=0 if following fields are valid */ @@ -512,11 +513,12 @@ static inline int PWM_OFF_TO_REG(int val, int ix, int reg) * before calling dme1737_read or dme1737_write. * --------------------------------------------------------------------- */ -static u8 dme1737_read(struct i2c_client *client, u8 reg) +static u8 dme1737_read(const struct dme1737_data *data, u8 reg) { + struct i2c_client *client = data->client; s32 val; - if (client->driver) { /* I2C device */ + if (client) { /* I2C device */ val = i2c_smbus_read_byte_data(client, reg); if (val < 0) { @@ -525,18 +527,19 @@ static u8 dme1737_read(struct i2c_client *client, u8 reg) "maintainer.\n", reg); } } else { /* ISA device */ - outb(reg, client->addr); - val = inb(client->addr + 1); + outb(reg, data->addr); + val = inb(data->addr + 1); } return val; } -static s32 dme1737_write(struct i2c_client *client, u8 reg, u8 val) +static s32 dme1737_write(const struct dme1737_data *data, u8 reg, u8 val) { + struct i2c_client *client = data->client; s32 res = 0; - if (client->driver) { /* I2C device */ + if (client) { /* I2C device */ res = i2c_smbus_write_byte_data(client, reg, val); if (res < 0) { @@ -545,8 +548,8 @@ static s32 dme1737_write(struct i2c_client *client, u8 reg, u8 val) "maintainer.\n", reg); } } else { /* ISA device */ - outb(reg, client->addr); - outb(val, client->addr + 1); + outb(reg, data->addr); + outb(val, data->addr + 1); } return res; @@ -555,7 +558,6 @@ static s32 dme1737_write(struct i2c_client *client, u8 reg, u8 val) static struct dme1737_data *dme1737_update_device(struct device *dev) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; int ix; u8 lsb[5]; @@ -563,7 +565,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) /* Enable a Vbat monitoring cycle every 10 mins */ if (time_after(jiffies, data->last_vbat + 600 * HZ) || !data->valid) { - dme1737_write(client, DME1737_REG_CONFIG, dme1737_read(client, + dme1737_write(data, DME1737_REG_CONFIG, dme1737_read(data, DME1737_REG_CONFIG) | 0x10); data->last_vbat = jiffies; } @@ -571,7 +573,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) /* Sample register contents every 1 sec */ if (time_after(jiffies, data->last_update + HZ) || !data->valid) { if (data->type != sch5027) { - data->vid = dme1737_read(client, DME1737_REG_VID) & + data->vid = dme1737_read(data, DME1737_REG_VID) & 0x3f; } @@ -580,11 +582,11 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) /* Voltage inputs are stored as 16 bit values even * though they have only 12 bits resolution. This is * to make it consistent with the temp inputs. */ - data->in[ix] = dme1737_read(client, + data->in[ix] = dme1737_read(data, DME1737_REG_IN(ix)) << 8; - data->in_min[ix] = dme1737_read(client, + data->in_min[ix] = dme1737_read(data, DME1737_REG_IN_MIN(ix)); - data->in_max[ix] = dme1737_read(client, + data->in_max[ix] = dme1737_read(data, DME1737_REG_IN_MAX(ix)); } @@ -595,14 +597,14 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) * to take advantage of implicit conversions between * register values (2's complement) and temp values * (signed decimal). */ - data->temp[ix] = dme1737_read(client, + data->temp[ix] = dme1737_read(data, DME1737_REG_TEMP(ix)) << 8; - data->temp_min[ix] = dme1737_read(client, + data->temp_min[ix] = dme1737_read(data, DME1737_REG_TEMP_MIN(ix)); - data->temp_max[ix] = dme1737_read(client, + data->temp_max[ix] = dme1737_read(data, DME1737_REG_TEMP_MAX(ix)); if (data->type != sch5027) { - data->temp_offset[ix] = dme1737_read(client, + data->temp_offset[ix] = dme1737_read(data, DME1737_REG_TEMP_OFFSET(ix)); } } @@ -612,7 +614,7 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) * which the registers are read (MSB first, then LSB) is * important! */ for (ix = 0; ix < ARRAY_SIZE(lsb); ix++) { - lsb[ix] = dme1737_read(client, + lsb[ix] = dme1737_read(data, DME1737_REG_IN_TEMP_LSB(ix)); } for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) { @@ -631,19 +633,19 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) if (!(data->has_fan & (1 << ix))) { continue; } - data->fan[ix] = dme1737_read(client, + data->fan[ix] = dme1737_read(data, DME1737_REG_FAN(ix)); - data->fan[ix] |= dme1737_read(client, + data->fan[ix] |= dme1737_read(data, DME1737_REG_FAN(ix) + 1) << 8; - data->fan_min[ix] = dme1737_read(client, + data->fan_min[ix] = dme1737_read(data, DME1737_REG_FAN_MIN(ix)); - data->fan_min[ix] |= dme1737_read(client, + data->fan_min[ix] |= dme1737_read(data, DME1737_REG_FAN_MIN(ix) + 1) << 8; - data->fan_opt[ix] = dme1737_read(client, + data->fan_opt[ix] = dme1737_read(data, DME1737_REG_FAN_OPT(ix)); /* fan_max exists only for fan[5-6] */ if (ix > 3) { - data->fan_max[ix - 4] = dme1737_read(client, + data->fan_max[ix - 4] = dme1737_read(data, DME1737_REG_FAN_MAX(ix)); } } @@ -655,63 +657,63 @@ static struct dme1737_data *dme1737_update_device(struct device *dev) if (!(data->has_pwm & (1 << ix))) { continue; } - data->pwm[ix] = dme1737_read(client, + data->pwm[ix] = dme1737_read(data, DME1737_REG_PWM(ix)); - data->pwm_freq[ix] = dme1737_read(client, + data->pwm_freq[ix] = dme1737_read(data, DME1737_REG_PWM_FREQ(ix)); /* pwm_config and pwm_min exist only for pwm[1-3] */ if (ix < 3) { - data->pwm_config[ix] = dme1737_read(client, + data->pwm_config[ix] = dme1737_read(data, DME1737_REG_PWM_CONFIG(ix)); - data->pwm_min[ix] = dme1737_read(client, + data->pwm_min[ix] = dme1737_read(data, DME1737_REG_PWM_MIN(ix)); } } for (ix = 0; ix < ARRAY_SIZE(data->pwm_rr); ix++) { - data->pwm_rr[ix] = dme1737_read(client, + data->pwm_rr[ix] = dme1737_read(data, DME1737_REG_PWM_RR(ix)); } /* Thermal zone registers */ for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) { - data->zone_low[ix] = dme1737_read(client, + data->zone_low[ix] = dme1737_read(data, DME1737_REG_ZONE_LOW(ix)); - data->zone_abs[ix] = dme1737_read(client, + data->zone_abs[ix] = dme1737_read(data, DME1737_REG_ZONE_ABS(ix)); } if (data->type != sch5027) { for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) { - data->zone_hyst[ix] = dme1737_read(client, + data->zone_hyst[ix] = dme1737_read(data, DME1737_REG_ZONE_HYST(ix)); } } /* Alarm registers */ - data->alarms = dme1737_read(client, + data->alarms = dme1737_read(data, DME1737_REG_ALARM1); /* Bit 7 tells us if the other alarm registers are non-zero and * therefore also need to be read */ if (data->alarms & 0x80) { - data->alarms |= dme1737_read(client, + data->alarms |= dme1737_read(data, DME1737_REG_ALARM2) << 8; - data->alarms |= dme1737_read(client, + data->alarms |= dme1737_read(data, DME1737_REG_ALARM3) << 16; } /* The ISA chips require explicit clearing of alarm bits. * Don't worry, an alarm will come back if the condition * that causes it still exists */ - if (!client->driver) { + if (!data->client) { if (data->alarms & 0xff0000) { - dme1737_write(client, DME1737_REG_ALARM3, + dme1737_write(data, DME1737_REG_ALARM3, 0xff); } if (data->alarms & 0xff00) { - dme1737_write(client, DME1737_REG_ALARM2, + dme1737_write(data, DME1737_REG_ALARM2, 0xff); } if (data->alarms & 0xff) { - dme1737_write(client, DME1737_REG_ALARM1, + dme1737_write(data, DME1737_REG_ALARM1, 0xff); } } @@ -770,7 +772,6 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; @@ -781,12 +782,12 @@ static ssize_t set_in(struct device *dev, struct device_attribute *attr, switch (fn) { case SYS_IN_MIN: data->in_min[ix] = IN_TO_REG(val, data->in_nominal[ix]); - dme1737_write(client, DME1737_REG_IN_MIN(ix), + dme1737_write(data, DME1737_REG_IN_MIN(ix), data->in_min[ix]); break; case SYS_IN_MAX: data->in_max[ix] = IN_TO_REG(val, data->in_nominal[ix]); - dme1737_write(client, DME1737_REG_IN_MAX(ix), + dme1737_write(data, DME1737_REG_IN_MAX(ix), data->in_max[ix]); break; default: @@ -850,7 +851,6 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; @@ -861,17 +861,17 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr, switch (fn) { case SYS_TEMP_MIN: data->temp_min[ix] = TEMP_TO_REG(val); - dme1737_write(client, DME1737_REG_TEMP_MIN(ix), + dme1737_write(data, DME1737_REG_TEMP_MIN(ix), data->temp_min[ix]); break; case SYS_TEMP_MAX: data->temp_max[ix] = TEMP_TO_REG(val); - dme1737_write(client, DME1737_REG_TEMP_MAX(ix), + dme1737_write(data, DME1737_REG_TEMP_MAX(ix), data->temp_max[ix]); break; case SYS_TEMP_OFFSET: data->temp_offset[ix] = TEMP_TO_REG(val); - dme1737_write(client, DME1737_REG_TEMP_OFFSET(ix), + dme1737_write(data, DME1737_REG_TEMP_OFFSET(ix), data->temp_offset[ix]); break; default: @@ -939,7 +939,6 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; @@ -950,37 +949,37 @@ static ssize_t set_zone(struct device *dev, struct device_attribute *attr, switch (fn) { case SYS_ZONE_AUTO_POINT1_TEMP_HYST: /* Refresh the cache */ - data->zone_low[ix] = dme1737_read(client, + data->zone_low[ix] = dme1737_read(data, DME1737_REG_ZONE_LOW(ix)); /* Modify the temp hyst value */ data->zone_hyst[ix == 2] = TEMP_HYST_TO_REG( TEMP_FROM_REG(data->zone_low[ix], 8) - - val, ix, dme1737_read(client, + val, ix, dme1737_read(data, DME1737_REG_ZONE_HYST(ix == 2))); - dme1737_write(client, DME1737_REG_ZONE_HYST(ix == 2), + dme1737_write(data, DME1737_REG_ZONE_HYST(ix == 2), data->zone_hyst[ix == 2]); break; case SYS_ZONE_AUTO_POINT1_TEMP: data->zone_low[ix] = TEMP_TO_REG(val); - dme1737_write(client, DME1737_REG_ZONE_LOW(ix), + dme1737_write(data, DME1737_REG_ZONE_LOW(ix), data->zone_low[ix]); break; case SYS_ZONE_AUTO_POINT2_TEMP: /* Refresh the cache */ - data->zone_low[ix] = dme1737_read(client, + data->zone_low[ix] = dme1737_read(data, DME1737_REG_ZONE_LOW(ix)); /* Modify the temp range value (which is stored in the upper * nibble of the pwm_freq register) */ data->pwm_freq[ix] = TEMP_RANGE_TO_REG(val - TEMP_FROM_REG(data->zone_low[ix], 8), - dme1737_read(client, + dme1737_read(data, DME1737_REG_PWM_FREQ(ix))); - dme1737_write(client, DME1737_REG_PWM_FREQ(ix), + dme1737_write(data, DME1737_REG_PWM_FREQ(ix), data->pwm_freq[ix]); break; case SYS_ZONE_AUTO_POINT3_TEMP: data->zone_abs[ix] = TEMP_TO_REG(val); - dme1737_write(client, DME1737_REG_ZONE_ABS(ix), + dme1737_write(data, DME1737_REG_ZONE_ABS(ix), data->zone_abs[ix]); break; default: @@ -1046,7 +1045,6 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; @@ -1060,21 +1058,21 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, data->fan_min[ix] = FAN_TO_REG(val, 0); } else { /* Refresh the cache */ - data->fan_opt[ix] = dme1737_read(client, + data->fan_opt[ix] = dme1737_read(data, DME1737_REG_FAN_OPT(ix)); /* Modify the fan min value */ data->fan_min[ix] = FAN_TO_REG(val, FAN_TPC_FROM_REG(data->fan_opt[ix])); } - dme1737_write(client, DME1737_REG_FAN_MIN(ix), + dme1737_write(data, DME1737_REG_FAN_MIN(ix), data->fan_min[ix] & 0xff); - dme1737_write(client, DME1737_REG_FAN_MIN(ix) + 1, + dme1737_write(data, DME1737_REG_FAN_MIN(ix) + 1, data->fan_min[ix] >> 8); break; case SYS_FAN_MAX: /* Only valid for fan[5-6] */ data->fan_max[ix - 4] = FAN_MAX_TO_REG(val); - dme1737_write(client, DME1737_REG_FAN_MAX(ix), + dme1737_write(data, DME1737_REG_FAN_MAX(ix), data->fan_max[ix - 4]); break; case SYS_FAN_TYPE: @@ -1086,9 +1084,9 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *attr, val); goto exit; } - data->fan_opt[ix] = FAN_TYPE_TO_REG(val, dme1737_read(client, + data->fan_opt[ix] = FAN_TYPE_TO_REG(val, dme1737_read(data, DME1737_REG_FAN_OPT(ix))); - dme1737_write(client, DME1737_REG_FAN_OPT(ix), + dme1737_write(data, DME1737_REG_FAN_OPT(ix), data->fan_opt[ix]); break; default: @@ -1185,7 +1183,6 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; @@ -1196,12 +1193,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, switch (fn) { case SYS_PWM: data->pwm[ix] = SENSORS_LIMIT(val, 0, 255); - dme1737_write(client, DME1737_REG_PWM(ix), data->pwm[ix]); + dme1737_write(data, DME1737_REG_PWM(ix), data->pwm[ix]); break; case SYS_PWM_FREQ: - data->pwm_freq[ix] = PWM_FREQ_TO_REG(val, dme1737_read(client, + data->pwm_freq[ix] = PWM_FREQ_TO_REG(val, dme1737_read(data, DME1737_REG_PWM_FREQ(ix))); - dme1737_write(client, DME1737_REG_PWM_FREQ(ix), + dme1737_write(data, DME1737_REG_PWM_FREQ(ix), data->pwm_freq[ix]); break; case SYS_PWM_ENABLE: @@ -1214,7 +1211,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, goto exit; } /* Refresh the cache */ - data->pwm_config[ix] = dme1737_read(client, + data->pwm_config[ix] = dme1737_read(data, DME1737_REG_PWM_CONFIG(ix)); if (val == PWM_EN_FROM_REG(data->pwm_config[ix])) { /* Bail out if no change */ @@ -1226,14 +1223,14 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, data->pwm_acz[ix] = PWM_ACZ_FROM_REG( data->pwm_config[ix]); /* Save the current ramp rate state and disable it */ - data->pwm_rr[ix > 0] = dme1737_read(client, + data->pwm_rr[ix > 0] = dme1737_read(data, DME1737_REG_PWM_RR(ix > 0)); data->pwm_rr_en &= ~(1 << ix); if (PWM_RR_EN_FROM_REG(data->pwm_rr[ix > 0], ix)) { data->pwm_rr_en |= (1 << ix); data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(0, ix, data->pwm_rr[ix > 0]); - dme1737_write(client, + dme1737_write(data, DME1737_REG_PWM_RR(ix > 0), data->pwm_rr[ix > 0]); } @@ -1247,14 +1244,14 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, /* Turn fan fully on */ data->pwm_config[ix] = PWM_EN_TO_REG(0, data->pwm_config[ix]); - dme1737_write(client, DME1737_REG_PWM_CONFIG(ix), + dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), data->pwm_config[ix]); break; case 1: /* Turn on manual mode */ data->pwm_config[ix] = PWM_EN_TO_REG(1, data->pwm_config[ix]); - dme1737_write(client, DME1737_REG_PWM_CONFIG(ix), + dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), data->pwm_config[ix]); /* Change permissions of pwm[ix] to read-writeable */ dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix], @@ -1269,14 +1266,14 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, data->pwm_config[ix] = PWM_ACZ_TO_REG( data->pwm_acz[ix], data->pwm_config[ix]); - dme1737_write(client, DME1737_REG_PWM_CONFIG(ix), + dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), data->pwm_config[ix]); /* Enable PWM ramp rate if previously enabled */ if (data->pwm_rr_en & (1 << ix)) { data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(1, ix, - dme1737_read(client, + dme1737_read(data, DME1737_REG_PWM_RR(ix > 0))); - dme1737_write(client, + dme1737_write(data, DME1737_REG_PWM_RR(ix > 0), data->pwm_rr[ix > 0]); } @@ -1286,9 +1283,9 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, case SYS_PWM_RAMP_RATE: /* Only valid for pwm[1-3] */ /* Refresh the cache */ - data->pwm_config[ix] = dme1737_read(client, + data->pwm_config[ix] = dme1737_read(data, DME1737_REG_PWM_CONFIG(ix)); - data->pwm_rr[ix > 0] = dme1737_read(client, + data->pwm_rr[ix > 0] = dme1737_read(data, DME1737_REG_PWM_RR(ix > 0)); /* Set the ramp rate value */ if (val > 0) { @@ -1301,7 +1298,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(val > 0, ix, data->pwm_rr[ix > 0]); } - dme1737_write(client, DME1737_REG_PWM_RR(ix > 0), + dme1737_write(data, DME1737_REG_PWM_RR(ix > 0), data->pwm_rr[ix > 0]); break; case SYS_PWM_AUTO_CHANNELS_ZONE: @@ -1315,14 +1312,14 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, goto exit; } /* Refresh the cache */ - data->pwm_config[ix] = dme1737_read(client, + data->pwm_config[ix] = dme1737_read(data, DME1737_REG_PWM_CONFIG(ix)); if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) { /* PWM is already in auto mode so update the temp * channel assignment */ data->pwm_config[ix] = PWM_ACZ_TO_REG(val, data->pwm_config[ix]); - dme1737_write(client, DME1737_REG_PWM_CONFIG(ix), + dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), data->pwm_config[ix]); } else { /* PWM is not in auto mode so we save the temp @@ -1333,7 +1330,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, case SYS_PWM_AUTO_PWM_MIN: /* Only valid for pwm[1-3] */ /* Refresh the cache */ - data->pwm_min[ix] = dme1737_read(client, + data->pwm_min[ix] = dme1737_read(data, DME1737_REG_PWM_MIN(ix)); /* There are only 2 values supported for the auto_pwm_min * value: 0 or auto_point1_pwm. So if the temperature drops @@ -1341,20 +1338,20 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, * off or runs at auto_point1_pwm duty-cycle. */ if (val > ((data->pwm_min[ix] + 1) / 2)) { data->pwm_rr[0] = PWM_OFF_TO_REG(1, ix, - dme1737_read(client, + dme1737_read(data, DME1737_REG_PWM_RR(0))); } else { data->pwm_rr[0] = PWM_OFF_TO_REG(0, ix, - dme1737_read(client, + dme1737_read(data, DME1737_REG_PWM_RR(0))); } - dme1737_write(client, DME1737_REG_PWM_RR(0), + dme1737_write(data, DME1737_REG_PWM_RR(0), data->pwm_rr[0]); break; case SYS_PWM_AUTO_POINT1_PWM: /* Only valid for pwm[1-3] */ data->pwm_min[ix] = SENSORS_LIMIT(val, 0, 255); - dme1737_write(client, DME1737_REG_PWM_MIN(ix), + dme1737_write(data, DME1737_REG_PWM_MIN(ix), data->pwm_min[ix]); break; default: @@ -1402,7 +1399,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute *attr, { struct dme1737_data *data = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", data->client.name); + return sprintf(buf, "%s\n", data->name); } /* --------------------------------------------------------------------- @@ -1908,7 +1905,7 @@ static void dme1737_remove_files(struct device *dev) sysfs_remove_group(&dev->kobj, &dme1737_group); - if (!data->client.driver) { + if (!data->client) { sysfs_remove_file(&dev->kobj, &dev_attr_name.attr); } } @@ -1919,7 +1916,7 @@ static int dme1737_create_files(struct device *dev) int err, ix; /* Create a name attribute for ISA devices */ - if (!data->client.driver && + if (!data->client && (err = sysfs_create_file(&dev->kobj, &dev_attr_name.attr))) { goto exit; } @@ -2013,14 +2010,14 @@ exit: static int dme1737_init_device(struct device *dev) { struct dme1737_data *data = dev_get_drvdata(dev); - struct i2c_client *client = &data->client; + struct i2c_client *client = data->client; int ix; u8 reg; /* Point to the right nominal voltages array */ data->in_nominal = IN_NOMINAL(data->type); - data->config = dme1737_read(client, DME1737_REG_CONFIG); + data->config = dme1737_read(data, DME1737_REG_CONFIG); /* Inform if part is not monitoring/started */ if (!(data->config & 0x01)) { if (!force_start) { @@ -2032,7 +2029,7 @@ static int dme1737_init_device(struct device *dev) /* Force monitoring */ data->config |= 0x01; - dme1737_write(client, DME1737_REG_CONFIG, data->config); + dme1737_write(data, DME1737_REG_CONFIG, data->config); } /* Inform if part is not ready */ if (!(data->config & 0x04)) { @@ -2041,8 +2038,8 @@ static int dme1737_init_device(struct device *dev) } /* Determine which optional fan and pwm features are enabled/present */ - if (client->driver) { /* I2C chip */ - data->config2 = dme1737_read(client, DME1737_REG_CONFIG2); + if (client) { /* I2C chip */ + data->config2 = dme1737_read(data, DME1737_REG_CONFIG2); /* Check if optional fan3 input is enabled */ if (data->config2 & 0x04) { data->has_fan |= (1 << 2); @@ -2051,7 +2048,7 @@ static int dme1737_init_device(struct device *dev) /* Fan4 and pwm3 are only available if the client's I2C address * is the default 0x2e. Otherwise the I/Os associated with * these functions are used for addr enable/select. */ - if (data->client.addr == 0x2e) { + if (client->addr == 0x2e) { data->has_fan |= (1 << 3); data->has_pwm |= (1 << 2); } @@ -2086,16 +2083,16 @@ static int dme1737_init_device(struct device *dev) (data->has_fan & (1 << 4)) ? "yes" : "no", (data->has_fan & (1 << 5)) ? "yes" : "no"); - reg = dme1737_read(client, DME1737_REG_TACH_PWM); + reg = dme1737_read(data, DME1737_REG_TACH_PWM); /* Inform if fan-to-pwm mapping differs from the default */ - if (client->driver && reg != 0xa4) { /* I2C chip */ + if (client && reg != 0xa4) { /* I2C chip */ dev_warn(dev, "Non-standard fan to pwm mapping: " "fan1->pwm%d, fan2->pwm%d, fan3->pwm%d, " "fan4->pwm%d. Please report to the driver " "maintainer.\n", (reg & 0x03) + 1, ((reg >> 2) & 0x03) + 1, ((reg >> 4) & 0x03) + 1, ((reg >> 6) & 0x03) + 1); - } else if (!client->driver && reg != 0x24) { /* ISA chip */ + } else if (!client && reg != 0x24) { /* ISA chip */ dev_warn(dev, "Non-standard fan to pwm mapping: " "fan1->pwm%d, fan2->pwm%d, fan3->pwm%d. " "Please report to the driver maintainer.\n", @@ -2108,7 +2105,7 @@ static int dme1737_init_device(struct device *dev) * disabled). */ if (!(data->config & 0x02)) { for (ix = 0; ix < 3; ix++) { - data->pwm_config[ix] = dme1737_read(client, + data->pwm_config[ix] = dme1737_read(data, DME1737_REG_PWM_CONFIG(ix)); if ((data->has_pwm & (1 << ix)) && (PWM_EN_FROM_REG(data->pwm_config[ix]) == -1)) { @@ -2116,8 +2113,8 @@ static int dme1737_init_device(struct device *dev) "manual mode.\n", ix + 1); data->pwm_config[ix] = PWM_EN_TO_REG(1, data->pwm_config[ix]); - dme1737_write(client, DME1737_REG_PWM(ix), 0); - dme1737_write(client, + dme1737_write(data, DME1737_REG_PWM(ix), 0); + dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), data->pwm_config[ix]); } @@ -2210,7 +2207,8 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, goto exit; } - client = &data->client; + client = &data->_client; + data->client = client; i2c_set_clientdata(client, data); client->addr = address; client->adapter = adapter; @@ -2220,8 +2218,8 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, /* A negative kind means that the driver was loaded with no force * parameter (default), so we must identify the chip. */ if (kind < 0) { - company = dme1737_read(client, DME1737_REG_COMPANY); - verstep = dme1737_read(client, DME1737_REG_VERSTEP); + company = dme1737_read(data, DME1737_REG_COMPANY); + verstep = dme1737_read(data, DME1737_REG_VERSTEP); if (company == DME1737_COMPANY_SMSC && (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { @@ -2246,6 +2244,7 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, /* Fill in the remaining client fields and put it into the global * list */ strlcpy(client->name, name, I2C_NAME_SIZE); + data->name = client->name; mutex_init(&data->update_lock); /* Tell the I2C layer a new client has arrived */ @@ -2403,7 +2402,6 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev) { u8 company, device; struct resource *res; - struct i2c_client *client; struct dme1737_data *data; struct device *dev = &pdev->dev; int err; @@ -2422,15 +2420,13 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev) goto exit_release_region; } - client = &data->client; - i2c_set_clientdata(client, data); - client->addr = res->start; + data->addr = res->start; platform_set_drvdata(pdev, data); /* Skip chip detection if module is loaded with force_id parameter */ if (!force_id) { - company = dme1737_read(client, DME1737_REG_COMPANY); - device = dme1737_read(client, DME1737_REG_DEVICE); + company = dme1737_read(data, DME1737_REG_COMPANY); + device = dme1737_read(data, DME1737_REG_DEVICE); if (!((company == DME1737_COMPANY_SMSC) && (device == SCH311X_DEVICE))) { @@ -2441,10 +2437,10 @@ static int __devinit dme1737_isa_probe(struct platform_device *pdev) data->type = sch311x; /* Fill in the remaining client fields and initialize the mutex */ - strlcpy(client->name, "sch311x", I2C_NAME_SIZE); + data->name = "sch311x"; mutex_init(&data->update_lock); - dev_info(dev, "Found a SCH311x chip at 0x%04x\n", client->addr); + dev_info(dev, "Found a SCH311x chip at 0x%04x\n", data->addr); /* Initialize the chip */ if ((err = dme1737_init_device(dev))) { @@ -2485,7 +2481,7 @@ static int __devexit dme1737_isa_remove(struct platform_device *pdev) hwmon_device_unregister(data->hwmon_dev); dme1737_remove_files(&pdev->dev); - release_region(data->client.addr, DME1737_EXTENT); + release_region(data->addr, DME1737_EXTENT); platform_set_drvdata(pdev, NULL); kfree(data); -- GitLab From 67a37308ae37f8948d3c26f75a18f0ddb77ac198 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:04 +0200 Subject: [PATCH 4717/6244] hwmon: (dme1737) Convert to a new-style i2c driver The new-style dme1737 driver implements the optional detect() callback to cover the use cases of the legacy driver. I don't actually expect any new-style device for that driver, but as the old i2c API is going away soon, we have to switch to the new one. Signed-off-by: Jean Delvare Cc: Juerg Haefliger --- drivers/hwmon/dme1737.c | 106 ++++++++++++++++++---------------------- 1 file changed, 48 insertions(+), 58 deletions(-) diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 2bf97e1470c0..27a5d397f9a1 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -176,7 +176,6 @@ static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23}; * --------------------------------------------------------------------- */ struct dme1737_data { - struct i2c_client _client; /* will go away soon */ struct i2c_client *client; /* for I2C devices only */ struct device *hwmon_dev; const char *name; @@ -2188,38 +2187,24 @@ exit: return err; } -static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, - int kind) +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int dme1737_i2c_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) { + struct i2c_adapter *adapter = client->adapter; + struct device *dev = &adapter->dev; u8 company, verstep = 0; - struct i2c_client *client; - struct dme1737_data *data; - struct device *dev; - int err = 0; const char *name; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { - goto exit; - } - - if (!(data = kzalloc(sizeof(struct dme1737_data), GFP_KERNEL))) { - err = -ENOMEM; - goto exit; + return -ENODEV; } - client = &data->_client; - data->client = client; - i2c_set_clientdata(client, data); - client->addr = address; - client->adapter = adapter; - client->driver = &dme1737_i2c_driver; - dev = &client->dev; - /* A negative kind means that the driver was loaded with no force * parameter (default), so we must identify the chip. */ if (kind < 0) { - company = dme1737_read(data, DME1737_REG_COMPANY); - verstep = dme1737_read(data, DME1737_REG_VERSTEP); + company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); + verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); if (company == DME1737_COMPANY_SMSC && (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { @@ -2228,8 +2213,7 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, verstep == SCH5027_VERSTEP) { kind = sch5027; } else { - err = -ENODEV; - goto exit_kfree; + return -ENODEV; } } @@ -2239,33 +2223,44 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, kind = dme1737; name = "dme1737"; } - data->type = kind; - - /* Fill in the remaining client fields and put it into the global - * list */ - strlcpy(client->name, name, I2C_NAME_SIZE); - data->name = client->name; - mutex_init(&data->update_lock); - - /* Tell the I2C layer a new client has arrived */ - if ((err = i2c_attach_client(client))) { - goto exit_kfree; - } dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n", kind == sch5027 ? "SCH5027" : "DME1737", client->addr, verstep); + strlcpy(info->type, name, I2C_NAME_SIZE); + + return 0; +} + +static int dme1737_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct dme1737_data *data; + struct device *dev = &client->dev; + int err; + + data = kzalloc(sizeof(struct dme1737_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + data->type = id->driver_data; + data->client = client; + data->name = client->name; + mutex_init(&data->update_lock); /* Initialize the DME1737 chip */ if ((err = dme1737_init_device(dev))) { dev_err(dev, "Failed to initialize device.\n"); - goto exit_detach; + goto exit_kfree; } /* Create sysfs files */ if ((err = dme1737_create_files(dev))) { dev_err(dev, "Failed to create sysfs files.\n"); - goto exit_detach; + goto exit_kfree; } /* Register device */ @@ -2280,45 +2275,40 @@ static int dme1737_i2c_detect(struct i2c_adapter *adapter, int address, exit_remove: dme1737_remove_files(dev); -exit_detach: - i2c_detach_client(client); exit_kfree: kfree(data); exit: return err; } -static int dme1737_i2c_attach_adapter(struct i2c_adapter *adapter) -{ - if (!(adapter->class & I2C_CLASS_HWMON)) { - return 0; - } - - return i2c_probe(adapter, &addr_data, dme1737_i2c_detect); -} - -static int dme1737_i2c_detach_client(struct i2c_client *client) +static int dme1737_i2c_remove(struct i2c_client *client) { struct dme1737_data *data = i2c_get_clientdata(client); - int err; hwmon_device_unregister(data->hwmon_dev); dme1737_remove_files(&client->dev); - if ((err = i2c_detach_client(client))) { - return err; - } - kfree(data); return 0; } +static const struct i2c_device_id dme1737_id[] = { + { "dme1737", dme1737 }, + { "sch5027", sch5027 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, dme1737_id); + static struct i2c_driver dme1737_i2c_driver = { + .class = I2C_CLASS_HWMON, .driver = { .name = "dme1737", }, - .attach_adapter = dme1737_i2c_attach_adapter, - .detach_client = dme1737_i2c_detach_client, + .probe = dme1737_i2c_probe, + .remove = dme1737_i2c_remove, + .id_table = dme1737_id, + .detect = dme1737_i2c_detect, + .address_data = &addr_data, }; /* --------------------------------------------------------------------- -- GitLab From 9def255631bb742264d334d77819e1ae5278a515 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:04 +0200 Subject: [PATCH 4718/6244] i2c-parport-light: Don't register a platform device resource The i2c-parport-light driver isn't a real platform driver, so it should not instantiate platform devices with resources. The resource management system can't cope with colliding resources, and we are likely to create such a colliding resource. So, better just try to grab the I/O ports we need right at module initialization time, and bail out if we can't. It has the added benefit that the module will no longer load if it isn't going to work, which is definitely more user-friendly. Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-parport-light.c | 39 ++++++-------------------- 1 file changed, 8 insertions(+), 31 deletions(-) diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c index c6faf9bdad18..b2b8380f6602 100644 --- a/drivers/i2c/busses/i2c-parport-light.c +++ b/drivers/i2c/busses/i2c-parport-light.c @@ -123,11 +123,6 @@ static struct i2c_adapter parport_adapter = { static int __devinit i2c_parport_probe(struct platform_device *pdev) { int err; - struct resource *res; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!request_region(res->start, res->end - res->start + 1, DRVNAME)) - return -EBUSY; /* Reset hardware to a sane state (SCL and SDA high) */ parport_setsda(NULL, 1); @@ -138,29 +133,19 @@ static int __devinit i2c_parport_probe(struct platform_device *pdev) parport_adapter.dev.parent = &pdev->dev; err = i2c_bit_add_bus(&parport_adapter); - if (err) { + if (err) dev_err(&pdev->dev, "Unable to register with I2C\n"); - goto exit_region; - } - return 0; - -exit_region: - release_region(res->start, res->end - res->start + 1); return err; } static int __devexit i2c_parport_remove(struct platform_device *pdev) { - struct resource *res; - i2c_del_adapter(&parport_adapter); /* Un-init if needed (power off...) */ if (adapter_parm[type].init.val) line_set(0, &adapter_parm[type].init); - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - release_region(res->start, res->end - res->start + 1); return 0; } @@ -175,12 +160,6 @@ static struct platform_driver i2c_parport_driver = { static int __init i2c_parport_device_add(u16 address) { - struct resource res = { - .start = address, - .end = address + 2, - .name = DRVNAME, - .flags = IORESOURCE_IO, - }; int err; pdev = platform_device_alloc(DRVNAME, -1); @@ -190,13 +169,6 @@ static int __init i2c_parport_device_add(u16 address) goto exit; } - err = platform_device_add_resources(pdev, &res, 1); - if (err) { - printk(KERN_ERR DRVNAME ": Device resource addition failed " - "(%d)\n", err); - goto exit_device_put; - } - err = platform_device_add(pdev); if (err) { printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", @@ -231,13 +203,16 @@ static int __init i2c_parport_init(void) base = DEFAULT_BASE; } + if (!request_region(base, 3, DRVNAME)) + return -EBUSY; + if (!adapter_parm[type].getscl.val) parport_algo_data.getscl = NULL; /* Sets global pdev as a side effect */ err = i2c_parport_device_add(base); if (err) - goto exit; + goto exit_release; err = platform_driver_register(&i2c_parport_driver); if (err) @@ -247,7 +222,8 @@ static int __init i2c_parport_init(void) exit_device: platform_device_unregister(pdev); -exit: +exit_release: + release_region(base, 3); return err; } @@ -255,6 +231,7 @@ static void __exit i2c_parport_exit(void) { platform_driver_unregister(&i2c_parport_driver); platform_device_unregister(pdev); + release_region(base, 3); } MODULE_AUTHOR("Jean Delvare "); -- GitLab From fceb2d06800ddae53095f63843d85fcff4f701ac Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:05 +0200 Subject: [PATCH 4719/6244] i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare --- Documentation/i2c/dev-interface | 65 ++++++++++++++++++++------------- 1 file changed, 40 insertions(+), 25 deletions(-) diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface index 9dd79123ddd9..689a79ea5ce7 100644 --- a/Documentation/i2c/dev-interface +++ b/Documentation/i2c/dev-interface @@ -4,6 +4,10 @@ the /dev interface. You need to load module i2c-dev for this. Each registered i2c adapter gets a number, counting from 0. You can examine /sys/class/i2c-dev/ to see what number corresponds to which adapter. +Alternatively, you can run "i2cdetect -l" to obtain a formated list of all +i2c adapters present on your system at a given time. i2cdetect is part of +the i2c-tools package. + I2C device files are character device files with major device number 89 and a minor device number corresponding to the number assigned as explained above. They should be called "i2c-%d" (i2c-0, i2c-1, ..., @@ -17,30 +21,34 @@ So let's say you want to access an i2c adapter from a C program. The first thing to do is "#include ". Please note that there are two files named "i2c-dev.h" out there, one is distributed with the Linux kernel and is meant to be included from kernel -driver code, the other one is distributed with lm_sensors and is +driver code, the other one is distributed with i2c-tools and is meant to be included from user-space programs. You obviously want the second one here. Now, you have to decide which adapter you want to access. You should -inspect /sys/class/i2c-dev/ to decide this. Adapter numbers are assigned -somewhat dynamically, so you can not even assume /dev/i2c-0 is the -first adapter. +inspect /sys/class/i2c-dev/ or run "i2cdetect -l" to decide this. +Adapter numbers are assigned somewhat dynamically, so you can not +assume much about them. They can even change from one boot to the next. Next thing, open the device file, as follows: + int file; int adapter_nr = 2; /* probably dynamically determined */ char filename[20]; - sprintf(filename,"/dev/i2c-%d",adapter_nr); - if ((file = open(filename,O_RDWR)) < 0) { + snprintf(filename, 19, "/dev/i2c-%d", adapter_nr); + file = open(filename, O_RDWR); + if (file < 0) { /* ERROR HANDLING; you can check errno to see what went wrong */ exit(1); } When you have opened the device, you must specify with what device address you want to communicate: + int addr = 0x40; /* The I2C address */ - if (ioctl(file,I2C_SLAVE,addr) < 0) { + + if (ioctl(file, I2C_SLAVE, addr) < 0) { /* ERROR HANDLING; you can check errno to see what went wrong */ exit(1); } @@ -48,31 +56,41 @@ address you want to communicate: Well, you are all set up now. You can now use SMBus commands or plain I2C to communicate with your device. SMBus commands are preferred if the device supports them. Both are illustrated below. + __u8 register = 0x10; /* Device register to access */ __s32 res; char buf[10]; + /* Using SMBus commands */ - res = i2c_smbus_read_word_data(file,register); + res = i2c_smbus_read_word_data(file, register); if (res < 0) { /* ERROR HANDLING: i2c transaction failed */ } else { /* res contains the read word */ } + /* Using I2C Write, equivalent of - i2c_smbus_write_word_data(file,register,0x6543) */ + i2c_smbus_write_word_data(file, register, 0x6543) */ buf[0] = register; buf[1] = 0x43; buf[2] = 0x65; - if ( write(file,buf,3) != 3) { + if (write(file, buf, 3) ! =3) { /* ERROR HANDLING: i2c transaction failed */ } + /* Using I2C Read, equivalent of i2c_smbus_read_byte(file) */ - if (read(file,buf,1) != 1) { + if (read(file, buf, 1) != 1) { /* ERROR HANDLING: i2c transaction failed */ } else { /* buf[0] contains the read byte */ } +Note that only a subset of the I2C and SMBus protocols can be achieved by +the means of read() and write() calls. In particular, so-called combined +transactions (mixing read and write messages in the same transaction) +aren't supported. For this reason, this interface is almost never used by +user-space programs. + IMPORTANT: because of the use of inline functions, you *have* to use '-O' or some variation when you compile your program! @@ -80,31 +98,29 @@ IMPORTANT: because of the use of inline functions, you *have* to use Full interface description ========================== -The following IOCTLs are defined and fully supported -(see also i2c-dev.h): +The following IOCTLs are defined: -ioctl(file,I2C_SLAVE,long addr) +ioctl(file, I2C_SLAVE, long addr) Change slave address. The address is passed in the 7 lower bits of the argument (except for 10 bit addresses, passed in the 10 lower bits in this case). -ioctl(file,I2C_TENBIT,long select) +ioctl(file, I2C_TENBIT, long select) Selects ten bit addresses if select not equals 0, selects normal 7 bit addresses if select equals 0. Default 0. This request is only valid if the adapter has I2C_FUNC_10BIT_ADDR. -ioctl(file,I2C_PEC,long select) +ioctl(file, I2C_PEC, long select) Selects SMBus PEC (packet error checking) generation and verification if select not equals 0, disables if select equals 0. Default 0. Used only for SMBus transactions. This request only has an effect if the the adapter has I2C_FUNC_SMBUS_PEC; it is still safe if not, it just doesn't have any effect. -ioctl(file,I2C_FUNCS,unsigned long *funcs) +ioctl(file, I2C_FUNCS, unsigned long *funcs) Gets the adapter functionality and puts it in *funcs. -ioctl(file,I2C_RDWR,struct i2c_rdwr_ioctl_data *msgset) - +ioctl(file, I2C_RDWR, struct i2c_rdwr_ioctl_data *msgset) Do combined read/write transaction without stop in between. Only valid if the adapter has I2C_FUNC_I2C. The argument is a pointer to a @@ -120,10 +136,9 @@ ioctl(file,I2C_RDWR,struct i2c_rdwr_ioctl_data *msgset) The slave address and whether to use ten bit address mode has to be set in each message, overriding the values set with the above ioctl's. - -Other values are NOT supported at this moment, except for I2C_SMBUS, -which you should never directly call; instead, use the access functions -below. +ioctl(file, I2C_SMBUS, struct i2c_smbus_ioctl_data *args) + Not meant to be called directly; instead, use the access functions + below. You can do plain i2c transactions by using read(2) and write(2) calls. You do not need to pass the address byte; instead, set it through @@ -148,7 +163,7 @@ what happened. The 'write' transactions return 0 on success; the returns the number of values read. The block buffers need not be longer than 32 bytes. -The above functions are all macros, that resolve to calls to the -i2c_smbus_access function, that on its turn calls a specific ioctl +The above functions are all inline functions, that resolve to calls to +the i2c_smbus_access function, that on its turn calls a specific ioctl with the data in a specific format. Read the source code if you want to know what happens behind the screens. -- GitLab From 7c15fd1249658e203b2ac8661e48da6c2102e563 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:05 +0200 Subject: [PATCH 4720/6244] i2c: Document the implementation details of the /dev interface I wrote this explanation to answer a question on the i2c mailing list, and thought it would be good to have in the kernel documentation. Signed-off-by: Jean Delvare --- Documentation/i2c/dev-interface | 45 +++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface index 689a79ea5ce7..3e742ba25536 100644 --- a/Documentation/i2c/dev-interface +++ b/Documentation/i2c/dev-interface @@ -167,3 +167,48 @@ The above functions are all inline functions, that resolve to calls to the i2c_smbus_access function, that on its turn calls a specific ioctl with the data in a specific format. Read the source code if you want to know what happens behind the screens. + + +Implementation details +====================== + +For the interested, here's the code flow which happens inside the kernel +when you use the /dev interface to I2C: + +1* Your program opens /dev/i2c-N and calls ioctl() on it, as described in +section "C example" above. + +2* These open() and ioctl() calls are handled by the i2c-dev kernel +driver: see i2c-dev.c:i2cdev_open() and i2c-dev.c:i2cdev_ioctl(), +respectively. You can think of i2c-dev as a generic I2C chip driver +that can be programmed from user-space. + +3* Some ioctl() calls are for administrative tasks and are handled by +i2c-dev directly. Examples include I2C_SLAVE (set the address of the +device you want to access) and I2C_PEC (enable or disable SMBus error +checking on future transactions.) + +4* Other ioctl() calls are converted to in-kernel function calls by +i2c-dev. Examples include I2C_FUNCS, which queries the I2C adapter +functionality using i2c.h:i2c_get_functionality(), and I2C_SMBUS, which +performs an SMBus transaction using i2c-core.c:i2c_smbus_xfer(). + +The i2c-dev driver is responsible for checking all the parameters that +come from user-space for validity. After this point, there is no +difference between these calls that came from user-space through i2c-dev +and calls that would have been performed by kernel I2C chip drivers +directly. This means that I2C bus drivers don't need to implement +anything special to support access from user-space. + +5* These i2c-core.c/i2c.h functions are wrappers to the actual +implementation of your I2C bus driver. Each adapter must declare +callback functions implementing these standard calls. +i2c.h:i2c_get_functionality() calls i2c_adapter.algo->functionality(), +while i2c-core.c:i2c_smbus_xfer() calls either +adapter.algo->smbus_xfer() if it is implemented, or if not, +i2c-core.c:i2c_smbus_xfer_emulated() which in turn calls +i2c_adapter.algo->master_xfer(). + +After your I2C bus driver has processed these requests, execution runs +up the call chain, with almost no processing done, except by i2c-dev to +package the returned data, if any, in suitable format for the ioctl. -- GitLab From 1d0b19c9a0612c653d1a0df267ba159089f6d139 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Tue, 14 Oct 2008 17:30:05 +0200 Subject: [PATCH 4721/6244] i2c: Guard against oopses from bad init sequences Guard I2C against oopsing because of init sequence problems, by verifying that i2c_init() has been called before calling any routines that rely on that initialization. This specific test just requires that bus_register(&i2c_bus_type) was called. Examples of this kind of oopsing come from subystems and drivers which register I2C drivers in their subsys_initcall code but which are statically linked before I2C by drivers/Makefile. Signed-off-by: David Brownell Signed-off-by: Jean Delvare --- drivers/i2c/i2c-core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index b346a687ab59..a96e1bf27649 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -437,6 +437,10 @@ static int i2c_register_adapter(struct i2c_adapter *adap) { int res = 0, dummy; + /* Can't register until after driver model init */ + if (unlikely(WARN_ON(!i2c_bus_type.p))) + return -EAGAIN; + mutex_init(&adap->bus_lock); mutex_init(&adap->clist_lock); INIT_LIST_HEAD(&adap->clients); @@ -696,6 +700,10 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) { int res; + /* Can't register until after driver model init */ + if (unlikely(WARN_ON(!i2c_bus_type.p))) + return -EAGAIN; + /* new style driver methods can't mix with legacy ones */ if (is_newstyle_driver(driver)) { if (driver->attach_adapter || driver->detach_adapter -- GitLab From f1453ee3a4da94250849606882948c590a4ad8dd Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 14 Oct 2008 17:30:06 +0200 Subject: [PATCH 4722/6244] i2c: Only build Tyan SMBus mux drivers on x86 The two Tyan SMBus mux drivers (i2c-amd756-s4882 and i2c-nforce2-s4985) are only useful on specific x86 motherboards, so there is no point in letting them be built on other architectures. Signed-off-by: Jean Delvare --- drivers/i2c/busses/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index b32164cfbc4d..acadbc51fc0f 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -55,7 +55,7 @@ config I2C_AMD756 config I2C_AMD756_S4882 tristate "SMBus multiplexing on the Tyan S4882" - depends on I2C_AMD756 && EXPERIMENTAL + depends on I2C_AMD756 && X86 && EXPERIMENTAL help Enabling this option will add specific SMBus support for the Tyan S4882 motherboard. On this 4-CPU board, the SMBus is multiplexed @@ -148,7 +148,7 @@ config I2C_NFORCE2 config I2C_NFORCE2_S4985 tristate "SMBus multiplexing on the Tyan S4985" - depends on I2C_NFORCE2 && EXPERIMENTAL + depends on I2C_NFORCE2 && X86 && EXPERIMENTAL help Enabling this option will add specific SMBus support for the Tyan S4985 motherboard. On this 4-CPU board, the SMBus is multiplexed -- GitLab From a10f9e7caf8d3028d8fb1d4c3d590492cde3df3e Mon Sep 17 00:00:00 2001 From: David Brownell Date: Tue, 14 Oct 2008 17:30:06 +0200 Subject: [PATCH 4723/6244] i2c: Do earlier driver model init Move I2C driver model init earlier in the boot sequence. This avoids oopsing in statically linked systems when some subsystems register I2C drivers in subsys_initcall() code, but those subsystems are linked (and initialized) before I2C. Signed-off-by: David Brownell Signed-off-by: Jean Delvare --- drivers/i2c/i2c-core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index a96e1bf27649..80ae12048e85 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -986,7 +986,10 @@ static void __exit i2c_exit(void) bus_unregister(&i2c_bus_type); } -subsys_initcall(i2c_init); +/* We must initialize early, because some subsystems register i2c drivers + * in subsys_initcall() code, but are linked (and initialized) before i2c. + */ +postcore_initcall(i2c_init); module_exit(i2c_exit); /* ---------------------------------------------------- -- GitLab From 596c88f4601e6245a15ea7619527674abbfdcf92 Mon Sep 17 00:00:00 2001 From: Prakash Mortha Date: Tue, 14 Oct 2008 17:30:06 +0200 Subject: [PATCH 4724/6244] i2c: Restore i2c_smbus_process_call function Restore the i2c_smbus_process_call() as one driver (for the Micronas MAP5401) will need it soon. [JD: Update documentation accordingly.] Signed-off-by: Prakash Mortha Signed-off-by: Jean Delvare --- Documentation/i2c/smbus-protocol | 4 ++-- Documentation/i2c/writing-clients | 4 ++-- drivers/i2c/i2c-core.c | 22 ++++++++++++++++++++++ 3 files changed, 26 insertions(+), 4 deletions(-) diff --git a/Documentation/i2c/smbus-protocol b/Documentation/i2c/smbus-protocol index 24bfb65da17d..9df47441f0e7 100644 --- a/Documentation/i2c/smbus-protocol +++ b/Documentation/i2c/smbus-protocol @@ -109,8 +109,8 @@ specified through the Comm byte. S Addr Wr [A] Comm [A] DataLow [A] DataHigh [A] P -SMBus Process Call -================== +SMBus Process Call: i2c_smbus_process_call() +============================================= This command selects a device register (through the Comm byte), sends 16 bits of data to it, and reads 16 bits of data in return. diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 6b61b3a2e90b..d73ee117a8ca 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -606,6 +606,8 @@ SMBus communication extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command); extern s32 i2c_smbus_write_word_data(struct i2c_client * client, u8 command, u16 value); + extern s32 i2c_smbus_process_call(struct i2c_client *client, + u8 command, u16 value); extern s32 i2c_smbus_read_block_data(struct i2c_client * client, u8 command, u8 *values); extern s32 i2c_smbus_write_block_data(struct i2c_client * client, @@ -621,8 +623,6 @@ These ones were removed from i2c-core because they had no users, but could be added back later if needed: extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value); - extern s32 i2c_smbus_process_call(struct i2c_client * client, - u8 command, u16 value); extern s32 i2c_smbus_block_process_call(struct i2c_client *client, u8 command, u8 length, u8 *values) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 80ae12048e85..42e852d79ffa 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1687,6 +1687,28 @@ s32 i2c_smbus_write_word_data(struct i2c_client *client, u8 command, u16 value) } EXPORT_SYMBOL(i2c_smbus_write_word_data); +/** + * i2c_smbus_process_call - SMBus "process call" protocol + * @client: Handle to slave device + * @command: Byte interpreted by slave + * @value: 16-bit "word" being written + * + * This executes the SMBus "process call" protocol, returning negative errno + * else a 16-bit unsigned "word" received from the device. + */ +s32 i2c_smbus_process_call(struct i2c_client *client, u8 command, u16 value) +{ + union i2c_smbus_data data; + int status; + data.word = value; + + status = i2c_smbus_xfer(client->adapter, client->addr, client->flags, + I2C_SMBUS_WRITE, command, + I2C_SMBUS_PROC_CALL, &data); + return (status < 0) ? status : data.word; +} +EXPORT_SYMBOL(i2c_smbus_process_call); + /** * i2c_smbus_read_block_data - SMBus "block read" protocol * @client: Handle to slave device -- GitLab From a05f2c5a2735ee1d68770137fbbfc334d3b9cda9 Mon Sep 17 00:00:00 2001 From: Prakash Mortha Date: Tue, 14 Oct 2008 17:30:06 +0200 Subject: [PATCH 4725/6244] i2c-viapro: Add support for SMBus Process Call transactions Add support for SMBus Process Call transactions. These are combined word write, word read transactions. Signed-off-by: Prakash Mortha Signed-off-by: Jean Delvare --- drivers/i2c/busses/i2c-viapro.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 1345da97b23b..73dc52e114eb 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -83,6 +83,7 @@ static unsigned short SMBHSTCFG = 0xD2; #define VT596_BYTE 0x04 #define VT596_BYTE_DATA 0x08 #define VT596_WORD_DATA 0x0C +#define VT596_PROC_CALL 0x10 #define VT596_BLOCK_DATA 0x14 #define VT596_I2C_BLOCK_DATA 0x34 @@ -233,6 +234,12 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr, } size = VT596_WORD_DATA; break; + case I2C_SMBUS_PROC_CALL: + outb_p(command, SMBHSTCMD); + outb_p(data->word & 0xff, SMBHSTDAT0); + outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1); + size = VT596_PROC_CALL; + break; case I2C_SMBUS_I2C_BLOCK_DATA: if (!(vt596_features & FEATURE_I2CBLOCK)) goto exit_unsupported; @@ -263,6 +270,9 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr, if (status) return status; + if (size == VT596_PROC_CALL) + read_write = I2C_SMBUS_READ; + if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK)) return 0; @@ -272,6 +282,7 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr, data->byte = inb_p(SMBHSTDAT0); break; case VT596_WORD_DATA: + case VT596_PROC_CALL: data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8); break; case VT596_I2C_BLOCK_DATA: @@ -296,7 +307,7 @@ static u32 vt596_func(struct i2c_adapter *adapter) { u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_BLOCK_DATA; + I2C_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_BLOCK_DATA; if (vt596_features & FEATURE_I2CBLOCK) func |= I2C_FUNC_SMBUS_I2C_BLOCK; -- GitLab From 4aba41ea8bdc1b475861f5e5c1649ab20251090c Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 14 Oct 2008 11:29:06 +0100 Subject: [PATCH 4726/6244] 8250: Fix lock warning (and possible crash) Splitting the 8250 code back up to avoid a clash with the NR_IRQS removal patch introduced a last minute bug. Put back the additional needed lines for the old lock init Signed-off-by: Alan Cox [ Ingo also reports that this can cause a spontaneous reboot crash with certain configs, and sends in an identical patch ] Tested-by: Kamalesh Babulal Signed-off-by: Linus Torvalds --- drivers/serial/8250.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index d4104a3bbe87..d3ca7d32abe0 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2969,6 +2969,9 @@ static int __init serial8250_init(void) "%d ports, IRQ sharing %sabled\n", nr_uarts, share_irqs ? "en" : "dis"); + for (i = 0; i < NR_IRQS; i++) + spin_lock_init(&irq_lists[i].lock); + #ifdef CONFIG_SPARC ret = sunserial_register_minors(&serial8250_reg, UART_NR); #else -- GitLab From 5b1d5f953bbb50dcbdf93719cb622aa128ba7527 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 21:58:47 +0200 Subject: [PATCH 4727/6244] m68k: use bcd2bin/bin2bcd This patch changes m68k to use the new bcd2bin/bin2bcd functions instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros. It also remove local bcd2bin/bin2bcd implementations in favor of the global ones. Signed-off-by: Adrian Bunk Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/atari/time.c | 35 ++++++++++++++++++----------------- arch/m68k/bvme6000/config.c | 15 +-------------- arch/m68k/bvme6000/rtc.c | 30 +++++++++++++++--------------- arch/m68k/mvme16x/rtc.c | 26 +++++++++++++------------- arch/m68k/q40/config.c | 12 +----------- arch/m68k/sun3x/time.c | 28 ++++++++++++++-------------- 6 files changed, 62 insertions(+), 84 deletions(-) diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c index e0d3c8bfb408..e2df4a13d2bb 100644 --- a/arch/m68k/atari/time.c +++ b/arch/m68k/atari/time.c @@ -191,13 +191,14 @@ int atari_tt_hwclk( int op, struct rtc_time *t ) } if (!(ctrl & RTC_DM_BINARY)) { - BIN_TO_BCD(sec); - BIN_TO_BCD(min); - BIN_TO_BCD(hour); - BIN_TO_BCD(day); - BIN_TO_BCD(mon); - BIN_TO_BCD(year); - if (wday >= 0) BIN_TO_BCD(wday); + sec = bin2bcd(sec); + min = bin2bcd(min); + hour = bin2bcd(hour); + day = bin2bcd(day); + mon = bin2bcd(mon); + year = bin2bcd(year); + if (wday >= 0) + wday = bin2bcd(wday); } } @@ -252,13 +253,13 @@ int atari_tt_hwclk( int op, struct rtc_time *t ) } if (!(ctrl & RTC_DM_BINARY)) { - BCD_TO_BIN(sec); - BCD_TO_BIN(min); - BCD_TO_BIN(hour); - BCD_TO_BIN(day); - BCD_TO_BIN(mon); - BCD_TO_BIN(year); - BCD_TO_BIN(wday); + sec = bcd2bin(sec); + min = bcd2bin(min); + hour = bcd2bin(hour); + day = bcd2bin(day); + mon = bcd2bin(mon); + year = bcd2bin(year); + wday = bcd2bin(wday); } if (!(ctrl & RTC_24H)) { @@ -318,7 +319,7 @@ int atari_tt_set_clock_mmss (unsigned long nowtime) rtc_minutes = RTC_READ (RTC_MINUTES); if (!(save_control & RTC_DM_BINARY)) - BCD_TO_BIN (rtc_minutes); + rtc_minutes = bcd2bin(rtc_minutes); /* Since we're only adjusting minutes and seconds, don't interfere with hour overflow. This avoids messing with unknown time zones @@ -329,8 +330,8 @@ int atari_tt_set_clock_mmss (unsigned long nowtime) { if (!(save_control & RTC_DM_BINARY)) { - BIN_TO_BCD (real_seconds); - BIN_TO_BCD (real_minutes); + real_seconds = bin2bcd(real_seconds); + real_minutes = bin2bcd(real_minutes); } RTC_WRITE (RTC_SECONDS, real_seconds); RTC_WRITE (RTC_MINUTES, real_minutes); diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c index 9433a88a33c4..65c9204ab9ac 100644 --- a/arch/m68k/bvme6000/config.c +++ b/arch/m68k/bvme6000/config.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -46,9 +47,6 @@ extern void bvme6000_reset (void); extern void bvme6000_waitbut(void); void bvme6000_set_vectors (void); -static unsigned char bcd2bin (unsigned char b); -static unsigned char bin2bcd (unsigned char b); - /* Save tick handler routine pointer, will point to do_timer() in * kernel/sched.c, called via bvme6000_process_int() */ @@ -264,17 +262,6 @@ unsigned long bvme6000_gettimeoffset (void) return v; } -static unsigned char bcd2bin (unsigned char b) -{ - return ((b>>4)*10 + (b&15)); -} - -static unsigned char bin2bcd (unsigned char b) -{ - return (((b/10)*16) + (b%10)); -} - - /* * Looks like op is non-zero for setting the clock, and zero for * reading the clock. diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c index e8ac3f7d72df..808c9018b115 100644 --- a/arch/m68k/bvme6000/rtc.c +++ b/arch/m68k/bvme6000/rtc.c @@ -57,16 +57,16 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, rtc->msr = 0x40; memset(&wtime, 0, sizeof(struct rtc_time)); do { - wtime.tm_sec = BCD2BIN(rtc->bcd_sec); - wtime.tm_min = BCD2BIN(rtc->bcd_min); - wtime.tm_hour = BCD2BIN(rtc->bcd_hr); - wtime.tm_mday = BCD2BIN(rtc->bcd_dom); - wtime.tm_mon = BCD2BIN(rtc->bcd_mth)-1; - wtime.tm_year = BCD2BIN(rtc->bcd_year); + wtime.tm_sec = bcd2bin(rtc->bcd_sec); + wtime.tm_min = bcd2bin(rtc->bcd_min); + wtime.tm_hour = bcd2bin(rtc->bcd_hr); + wtime.tm_mday = bcd2bin(rtc->bcd_dom); + wtime.tm_mon = bcd2bin(rtc->bcd_mth)-1; + wtime.tm_year = bcd2bin(rtc->bcd_year); if (wtime.tm_year < 70) wtime.tm_year += 100; - wtime.tm_wday = BCD2BIN(rtc->bcd_dow)-1; - } while (wtime.tm_sec != BCD2BIN(rtc->bcd_sec)); + wtime.tm_wday = bcd2bin(rtc->bcd_dow)-1; + } while (wtime.tm_sec != bcd2bin(rtc->bcd_sec)); rtc->msr = msr; local_irq_restore(flags); return copy_to_user(argp, &wtime, sizeof wtime) ? @@ -114,14 +114,14 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, rtc->t0cr_rtmr = yrs%4; rtc->bcd_tenms = 0; - rtc->bcd_sec = BIN2BCD(sec); - rtc->bcd_min = BIN2BCD(min); - rtc->bcd_hr = BIN2BCD(hrs); - rtc->bcd_dom = BIN2BCD(day); - rtc->bcd_mth = BIN2BCD(mon); - rtc->bcd_year = BIN2BCD(yrs%100); + rtc->bcd_sec = bin2bcd(sec); + rtc->bcd_min = bin2bcd(min); + rtc->bcd_hr = bin2bcd(hrs); + rtc->bcd_dom = bin2bcd(day); + rtc->bcd_mth = bin2bcd(mon); + rtc->bcd_year = bin2bcd(yrs%100); if (rtc_tm.tm_wday >= 0) - rtc->bcd_dow = BIN2BCD(rtc_tm.tm_wday+1); + rtc->bcd_dow = bin2bcd(rtc_tm.tm_wday+1); rtc->t0cr_rtmr = yrs%4 | 0x08; rtc->msr = msr; diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c index 432a9f13b2ed..cea5e3e4e636 100644 --- a/arch/m68k/mvme16x/rtc.c +++ b/arch/m68k/mvme16x/rtc.c @@ -52,15 +52,15 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, /* Ensure clock and real-time-mode-register are accessible */ rtc->ctrl = RTC_READ; memset(&wtime, 0, sizeof(struct rtc_time)); - wtime.tm_sec = BCD2BIN(rtc->bcd_sec); - wtime.tm_min = BCD2BIN(rtc->bcd_min); - wtime.tm_hour = BCD2BIN(rtc->bcd_hr); - wtime.tm_mday = BCD2BIN(rtc->bcd_dom); - wtime.tm_mon = BCD2BIN(rtc->bcd_mth)-1; - wtime.tm_year = BCD2BIN(rtc->bcd_year); + wtime.tm_sec = bcd2bin(rtc->bcd_sec); + wtime.tm_min = bcd2bin(rtc->bcd_min); + wtime.tm_hour = bcd2bin(rtc->bcd_hr); + wtime.tm_mday = bcd2bin(rtc->bcd_dom); + wtime.tm_mon = bcd2bin(rtc->bcd_mth)-1; + wtime.tm_year = bcd2bin(rtc->bcd_year); if (wtime.tm_year < 70) wtime.tm_year += 100; - wtime.tm_wday = BCD2BIN(rtc->bcd_dow)-1; + wtime.tm_wday = bcd2bin(rtc->bcd_dow)-1; rtc->ctrl = 0; local_irq_restore(flags); return copy_to_user(argp, &wtime, sizeof wtime) ? @@ -104,12 +104,12 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd, local_irq_save(flags); rtc->ctrl = RTC_WRITE; - rtc->bcd_sec = BIN2BCD(sec); - rtc->bcd_min = BIN2BCD(min); - rtc->bcd_hr = BIN2BCD(hrs); - rtc->bcd_dom = BIN2BCD(day); - rtc->bcd_mth = BIN2BCD(mon); - rtc->bcd_year = BIN2BCD(yrs%100); + rtc->bcd_sec = bin2bcd(sec); + rtc->bcd_min = bin2bcd(min); + rtc->bcd_hr = bin2bcd(hrs); + rtc->bcd_dom = bin2bcd(day); + rtc->bcd_mth = bin2bcd(mon); + rtc->bcd_year = bin2bcd(yrs%100); rtc->ctrl = 0; local_irq_restore(flags); diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c index be9de2f3dc48..9c7eefa3f98a 100644 --- a/arch/m68k/q40/config.c +++ b/arch/m68k/q40/config.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -216,17 +217,6 @@ int q40_parse_bootinfo(const struct bi_record *rec) } -static inline unsigned char bcd2bin(unsigned char b) -{ - return (b >> 4) * 10 + (b & 15); -} - -static inline unsigned char bin2bcd(unsigned char b) -{ - return (b / 10) * 16 + (b % 10); -} - - static unsigned long q40_gettimeoffset(void) { return 5000 * (ql_ticks != 0); diff --git a/arch/m68k/sun3x/time.c b/arch/m68k/sun3x/time.c index f5eaafb00d21..536a04aaf22f 100644 --- a/arch/m68k/sun3x/time.c +++ b/arch/m68k/sun3x/time.c @@ -47,23 +47,23 @@ int sun3x_hwclk(int set, struct rtc_time *t) if(set) { h->csr |= C_WRITE; - h->sec = BIN2BCD(t->tm_sec); - h->min = BIN2BCD(t->tm_min); - h->hour = BIN2BCD(t->tm_hour); - h->wday = BIN2BCD(t->tm_wday); - h->mday = BIN2BCD(t->tm_mday); - h->month = BIN2BCD(t->tm_mon); - h->year = BIN2BCD(t->tm_year); + h->sec = bin2bcd(t->tm_sec); + h->min = bin2bcd(t->tm_min); + h->hour = bin2bcd(t->tm_hour); + h->wday = bin2bcd(t->tm_wday); + h->mday = bin2bcd(t->tm_mday); + h->month = bin2bcd(t->tm_mon); + h->year = bin2bcd(t->tm_year); h->csr &= ~C_WRITE; } else { h->csr |= C_READ; - t->tm_sec = BCD2BIN(h->sec); - t->tm_min = BCD2BIN(h->min); - t->tm_hour = BCD2BIN(h->hour); - t->tm_wday = BCD2BIN(h->wday); - t->tm_mday = BCD2BIN(h->mday); - t->tm_mon = BCD2BIN(h->month); - t->tm_year = BCD2BIN(h->year); + t->tm_sec = bcd2bin(h->sec); + t->tm_min = bcd2bin(h->min); + t->tm_hour = bcd2bin(h->hour); + t->tm_wday = bcd2bin(h->wday); + t->tm_mday = bcd2bin(h->mday); + t->tm_mon = bcd2bin(h->month); + t->tm_year = bcd2bin(h->year); h->csr &= ~C_READ; } -- GitLab From 8fbbae657305f83ed009143c4c7a8737d75621b2 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:48 +0200 Subject: [PATCH 4728/6244] m68k: Use new printk() extension %pS to print symbols This changes the oops and backtrace code to use the new `%pS' printk() extension to print out symbols rather than manually calling print_symbol. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/traps.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index 75b8340b254b..6d813de2baf1 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -883,8 +883,7 @@ void show_trace(unsigned long *stack) if (i % 5 == 0) printk("\n "); #endif - printk(" [<%08lx>]", addr); - print_symbol(" %s\n", addr); + printk(" [<%08lx>] %pS\n", addr, (void *)addr); i++; } } @@ -900,10 +899,8 @@ void show_registers(struct pt_regs *regs) int i; print_modules(); - printk("PC: [<%08lx>]",regs->pc); - print_symbol(" %s", regs->pc); - printk("\nSR: %04x SP: %p a2: %08lx\n", - regs->sr, regs, regs->a2); + printk("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc); + printk("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2); printk("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n", regs->d0, regs->d1, regs->d2, regs->d3); printk("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", -- GitLab From 68abceef1051b254964995c6acabaac95cec9c35 Mon Sep 17 00:00:00 2001 From: Roman Zippel Date: Mon, 13 Oct 2008 21:58:49 +0200 Subject: [PATCH 4729/6244] m68k: Put .bss at the end of the data section Put .bss at the end of the data section Signed-off-by: Roman Zippel Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/vmlinux-std.lds | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index 99b0784c0552..bc63ff6cdb35 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -34,10 +34,10 @@ SECTIONS CONSTRUCTORS } - .bss : { *(.bss) } /* BSS */ - . = ALIGN(16); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } :data + .data.cacheline_aligned : { *(.data.cacheline_aligned) } + + .bss : { *(.bss) } /* BSS */ _edata = .; /* End of data section */ @@ -48,7 +48,7 @@ SECTIONS _sinittext = .; INIT_TEXT _einittext = .; - } + } :data .init.data : { INIT_DATA } . = ALIGN(16); __setup_start = .; -- GitLab From 08a3db94f2a36c28278922732bc281c1722ceb18 Mon Sep 17 00:00:00 2001 From: Roman Zippel Date: Mon, 13 Oct 2008 21:58:50 +0200 Subject: [PATCH 4730/6244] m68k: Add NOTES to init data so its discarded at boot Add .note.gnu.build-id to init data so it's discarded at boot. [Andreas Schwab] Use NOTES macro Signed-off-by: Roman Zippel Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/vmlinux-std.lds | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index bc63ff6cdb35..f846d4e3e5e1 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -74,6 +74,7 @@ SECTIONS .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; #endif + NOTES . = ALIGN(8192); __init_end = .; -- GitLab From 8c68383edfeaa524f589aeca1d217baff6bae69b Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:51 +0200 Subject: [PATCH 4731/6244] m68k: Reverse platform MMU logic so Sun 3 is last Currently Sun 3 support is the first platform option, as the Sun 3 MMU is incompatible with standard Motorola MMUs. However, this means that `allmodconfig' enables support for Sun 3, and thus disables support for all other platforms. Reverse the logic and move Sun 3 last, so `allmodconfig' enables all platforms except for Sun 3, increasing compile-coverage. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/Kconfig | 43 ++++++++++++++++++++++--------------------- 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 41e5bf02e230..c56af4b7054c 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -105,21 +105,9 @@ config PCMCIA To compile this driver as modules, choose M here: the modules will be called pcmcia_core and ds. -config SUN3 - bool "Sun3 support" - select M68020 - select MMU_SUN3 if MMU - help - This option enables support for the Sun 3 series of workstations - (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires - that all other hardware types must be disabled, as Sun 3 kernels - are incompatible with all other m68k targets (including Sun 3x!). - - If you don't want to compile a kernel exclusively for a Sun 3, say N. - config AMIGA bool "Amiga support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help This option enables support for the Amiga series of computers. If you plan to use this kernel on an Amiga, say Y here and browse the @@ -127,7 +115,7 @@ config AMIGA config ATARI bool "Atari support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help This option enables support for the 68000-based Atari series of computers (including the TT, Falcon and Medusa). If you plan to use @@ -153,7 +141,7 @@ config PCI config MAC bool "Macintosh support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help This option enables support for the Apple Macintosh series of computers (yes, there is experimental support now, at least for part @@ -174,14 +162,14 @@ config M68K_L2_CACHE config APOLLO bool "Apollo support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help Say Y here if you want to run Linux on an MC680x0-based Apollo Domain workstation such as the DN3500. config VME bool "VME (Motorola and BVM) support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help Say Y here if you want to build a kernel for a 680x0 based VME board. Boards currently supported include Motorola boards MVME147, @@ -218,7 +206,7 @@ config BVME6000 config HP300 bool "HP9000/300 and HP9000/400 support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help This option enables support for the HP9000/300 and HP9000/400 series of workstations. Support for these machines is still somewhat @@ -237,7 +225,7 @@ config DIO config SUN3X bool "Sun3x support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU select M68030 help This option enables support for the Sun 3x series of workstations. @@ -250,7 +238,7 @@ config SUN3X config Q40 bool "Q40/Q60 support" - depends on !MMU_SUN3 + select MMU_MOTOROLA if MMU help The Q40 is a Motorola 68040-based successor to the Sinclair QL manufactured in Germany. There is an official Q40 home page at @@ -258,6 +246,19 @@ config Q40 Q60. Select your CPU below. For 68LC060 don't forget to enable FPU emulation. +config SUN3 + bool "Sun3 support" + depends on !MMU_MOTOROLA + select MMU_SUN3 if MMU + select M68020 + help + This option enables support for the Sun 3 series of workstations + (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires + that all other hardware types must be disabled, as Sun 3 kernels + are incompatible with all other m68k targets (including Sun 3x!). + + If you don't want to compile a kernel exclusively for a Sun 3, say N. + comment "Processor type" config M68020 @@ -295,10 +296,10 @@ config M68060 config MMU_MOTOROLA bool depends on MMU && !MMU_SUN3 - default y config MMU_SUN3 bool + depends on MMU && !MMU_MOTOROLA config M68KFPU_EMU bool "Math emulation support (EXPERIMENTAL)" -- GitLab From 39d2d99d988142b7db38afab568c72da03b96237 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:53 +0200 Subject: [PATCH 4732/6244] m68k: Modular Amiga keyboard needs key_maps | ERROR: "key_maps" [drivers/input/keyboard/amikbd.ko] undefined! Export key_maps in the Amiga core code, as its defined in an autogenerated file (drivers/char/defkeymap.c) Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/amiga/config.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c index df679d96b1cb..0a3f9e8ebde0 100644 --- a/arch/m68k/amiga/config.c +++ b/arch/m68k/amiga/config.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -984,3 +985,11 @@ static int amiga_get_hardware_list(char *buffer) return len; } + +/* + * The Amiga keyboard driver needs key_maps, but we cannot export it in + * drivers/char/defkeymap.c, as it is autogenerated + */ +#ifdef CONFIG_HW_CONSOLE +EXPORT_SYMBOL_GPL(key_maps); +#endif -- GitLab From 3e24fc947ce38e204c3bc58a7a68251facebf0ac Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:54 +0200 Subject: [PATCH 4733/6244] m68k: Remove unused atari_kbd_translate() If CONFIG_VT=n, I get: | arch/m68k/atari/built-in.o: In function `atari_kbd_translate': | arch/m68k/atari/atakeyb.c:640: undefined reference to `shift_state' Just remove atari_kbd_translate(), as it's unused. Signed-off-by: Geert Uytterhoeven Acked-by: Michael Schmitz Signed-off-by: Linus Torvalds --- arch/m68k/atari/atakeyb.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c index bb959fbab2dc..c038b7c7eff0 100644 --- a/arch/m68k/atari/atakeyb.c +++ b/arch/m68k/atari/atakeyb.c @@ -635,15 +635,3 @@ int atari_keyb_init(void) return 0; } EXPORT_SYMBOL_GPL(atari_keyb_init); - -int atari_kbd_translate(unsigned char keycode, unsigned char *keycodep, char raw_mode) -{ -#ifdef CONFIG_MAGIC_SYSRQ - /* ALT+HELP pressed? */ - if ((keycode == 98) && ((shift_state & 0xff) == 8)) - *keycodep = 0xff; - else -#endif - *keycodep = keycode; - return 1; -} -- GitLab From 7ae4833af0dda3bdfb65004856c3f83871fd8ce4 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:55 +0200 Subject: [PATCH 4734/6244] m68k: Define rtc_lock on Atari The nvram and rtc-cmos drivers use the spinlock rtc_lock to protect against concurrent accesses to the CMOS memory. As m68k doesn't support SMP or preempt yet, the spinlock calls tend to get optimized away, but not for all configurations, causing in some rare cases: | ERROR: "rtc_lock" [drivers/rtc/rtc-cmos.ko] undefined! | ERROR: "rtc_lock" [drivers/char/nvram.ko] undefined! Add the spinlock to the Atari core code to avoid this. Signed-off-by: Geert Uytterhoeven Acked-by: Michael Schmitz Signed-off-by: Linus Torvalds --- arch/m68k/atari/time.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c index e2df4a13d2bb..1edde27fa32d 100644 --- a/arch/m68k/atari/time.c +++ b/arch/m68k/atari/time.c @@ -20,6 +20,9 @@ #include +DEFINE_SPINLOCK(rtc_lock); +EXPORT_SYMBOL_GPL(rtc_lock); + void __init atari_sched_init(irq_handler_t timer_routine) { -- GitLab From dec6d14da8b46e1f8bef6f570fb7418359cefcde Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:56 +0200 Subject: [PATCH 4735/6244] m68k: Add missing dma_sync_single_range_for_{cpu,device}() | include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_cpu': | include/linux/ssb/ssb.h:517: error: implicit declaration of function 'dma_sync_single_range_for_cpu' | include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_device': | include/linux/ssb/ssb.h:538: error: implicit declaration of function 'dma_sync_single_range_for_device' Add the missing dma_sync_single_range_for_{cpu,device}(), and remove the `inline' for the non-static function dma_sync_single_for_device(). Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/dma.c | 4 ++-- include/asm-m68k/dma-mapping.h | 16 ++++++++++++++++ 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 6f8c080dd9f9..2bb4245404d8 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -66,8 +66,8 @@ void dma_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(dma_free_coherent); -inline void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir) +void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, + size_t size, enum dma_data_direction dir) { switch (dir) { case DMA_TO_DEVICE: diff --git a/include/asm-m68k/dma-mapping.h b/include/asm-m68k/dma-mapping.h index 91f7944333d4..26f505488c11 100644 --- a/include/asm-m68k/dma-mapping.h +++ b/include/asm-m68k/dma-mapping.h @@ -74,6 +74,14 @@ extern void dma_sync_single_for_device(struct device *, dma_addr_t, size_t, extern void dma_sync_sg_for_device(struct device *, struct scatterlist *, int, enum dma_data_direction); +static inline void dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + /* just sync everything for now */ + dma_sync_single_for_device(dev, dma_handle, offset + size, direction); +} + static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir) { @@ -84,6 +92,14 @@ static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *s { } +static inline void dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + /* just sync everything for now */ + dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction); +} + static inline int dma_mapping_error(struct device *dev, dma_addr_t handle) { return 0; -- GitLab From 998aaf01c6f6f3dffc1ea9e7b20b131e38fdbc78 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:57 +0200 Subject: [PATCH 4736/6244] m68k: needs Several multi-bus subsystems: | include/linux/ssb/ssb.h: In function 'ssb_dma_mapping_error': | include/linux/ssb/ssb.h:430: error: implicit declaration of function 'pci_dma_mapping_error' | include/linux/ssb/ssb.h: In function 'ssb_dma_map_single': | include/linux/ssb/ssb.h:444: error: implicit declaration of function 'pci_map_single' | include/linux/ssb/ssb.h: In function 'ssb_dma_unmap_single': | include/linux/ssb/ssb.h:458: error: implicit declaration of function 'pci_unmap_single' | include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_cpu': | include/linux/ssb/ssb.h:475: error: implicit declaration of function 'pci_dma_sync_single_for_cpu' | include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_device': | include/linux/ssb/ssb.h:493: error: implicit declaration of function 'pci_dma_sync_single_for_device' or legacy drivers: | drivers/net/hp100.c: In function 'pdl_map_data': | drivers/net/hp100.c:291: error: implicit declaration of function 'pci_map_single' | drivers/net/hp100.c: In function 'hp100_probe1': | drivers/net/hp100.c:707: error: implicit declaration of function 'pci_alloc_consistent' | drivers/net/hp100.c:782: error: implicit declaration of function 'pci_free_consistent' | drivers/net/hp100.c: In function 'hp100_clean_txring': | drivers/net/hp100.c:1614: error: implicit declaration of function 'pci_unmap_single' and | drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_allocate_scb': | drivers/scsi/aic7xxx_old.c:2573: error: implicit declaration of function 'pci_alloc_consistent' | drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_done': | drivers/scsi/aic7xxx_old.c:2697: error: implicit declaration of function 'pci_unmap_single' | drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_handle_seqint': | drivers/scsi/aic7xxx_old.c:4275: error: implicit declaration of function 'pci_map_single' | drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_free': | drivers/scsi/aic7xxx_old.c:8460: error: implicit declaration of function 'pci_free_consistent' rely on PCI DMA operations to be always available. Add #include to to make them happy. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- include/asm-m68k/pci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/asm-m68k/pci.h b/include/asm-m68k/pci.h index 678cb0b52314..d43febbc9c7d 100644 --- a/include/asm-m68k/pci.h +++ b/include/asm-m68k/pci.h @@ -8,6 +8,7 @@ */ #include +#include struct pci_ops; -- GitLab From 7477fb6fbc339469ea945e007f3f7b3bb13b25f7 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:58:58 +0200 Subject: [PATCH 4737/6244] HP input: kill warnings due to suseconds_t differences Kill compiler warnings related to printf() formats in the input drivers for various HP9000 machines, which are shared between PA-RISC (suseconds_t is int) and m68k (suseconds_t is long). As both are 32-bit, it's safe to cast to int. Signed-off-by: Geert Uytterhoeven Acked-by: Helge Deller Signed-off-by: Linus Torvalds --- drivers/input/misc/hp_sdc_rtc.c | 10 +++++----- drivers/input/serio/hp_sdc.c | 2 +- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index daa9d4220331..82ec6b1b6467 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -458,35 +458,35 @@ static int hp_sdc_rtc_proc_output (char *buf) p += sprintf(p, "i8042 rtc\t: READ FAILED!\n"); } else { p += sprintf(p, "i8042 rtc\t: %ld.%02d seconds\n", - tv.tv_sec, tv.tv_usec/1000); + tv.tv_sec, (int)tv.tv_usec/1000); } if (hp_sdc_rtc_read_fhs(&tv)) { p += sprintf(p, "handshake\t: READ FAILED!\n"); } else { p += sprintf(p, "handshake\t: %ld.%02d seconds\n", - tv.tv_sec, tv.tv_usec/1000); + tv.tv_sec, (int)tv.tv_usec/1000); } if (hp_sdc_rtc_read_mt(&tv)) { p += sprintf(p, "alarm\t\t: READ FAILED!\n"); } else { p += sprintf(p, "alarm\t\t: %ld.%02d seconds\n", - tv.tv_sec, tv.tv_usec/1000); + tv.tv_sec, (int)tv.tv_usec/1000); } if (hp_sdc_rtc_read_dt(&tv)) { p += sprintf(p, "delay\t\t: READ FAILED!\n"); } else { p += sprintf(p, "delay\t\t: %ld.%02d seconds\n", - tv.tv_sec, tv.tv_usec/1000); + tv.tv_sec, (int)tv.tv_usec/1000); } if (hp_sdc_rtc_read_ct(&tv)) { p += sprintf(p, "periodic\t: READ FAILED!\n"); } else { p += sprintf(p, "periodic\t: %ld.%02d seconds\n", - tv.tv_sec, tv.tv_usec/1000); + tv.tv_sec, (int)tv.tv_usec/1000); } p += sprintf(p, diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c index 0d395979b2d1..bfe49243f38b 100644 --- a/drivers/input/serio/hp_sdc.c +++ b/drivers/input/serio/hp_sdc.c @@ -323,7 +323,7 @@ static void hp_sdc_tasklet(unsigned long foo) * it back to the application. and be less verbose. */ printk(KERN_WARNING PREFIX "read timeout (%ius)!\n", - tv.tv_usec - hp_sdc.rtv.tv_usec); + (int)(tv.tv_usec - hp_sdc.rtv.tv_usec)); curr->idx += hp_sdc.rqty; hp_sdc.rqty = 0; tmp = curr->seq[curr->actidx]; -- GitLab From 29c8a24672e1cdfee99c15b870c57eb30ae69daf Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 21:58:59 +0200 Subject: [PATCH 4738/6244] m68k: Remove the broken Hades support This patch removes the Hades support that was marked as BROKEN 5 years ago. Signed-off-by: Adrian Bunk Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/Kconfig | 13 - arch/m68k/atari/Makefile | 3 - arch/m68k/atari/ataints.c | 6 +- arch/m68k/atari/config.c | 37 +-- arch/m68k/atari/hades-pci.c | 440 ------------------------------- arch/m68k/kernel/bios32.c | 6 +- arch/m68k/kernel/process.c | 2 +- drivers/block/ataflop.c | 4 - drivers/scsi/Kconfig | 8 - drivers/scsi/atari_dma_emul.c | 468 --------------------------------- drivers/scsi/atari_scsi.c | 27 +- include/asm-m68k/atarihw.h | 1 - include/asm-m68k/entry.h | 2 +- include/asm-m68k/virtconvert.h | 6 - 14 files changed, 23 insertions(+), 1000 deletions(-) delete mode 100644 arch/m68k/atari/hades-pci.c delete mode 100644 drivers/scsi/atari_dma_emul.c diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index c56af4b7054c..2ec21f7fcb52 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -122,22 +122,9 @@ config ATARI this kernel on an Atari, say Y here and browse the material available in ; otherwise say N. -config HADES - bool "Hades support" - depends on ATARI && BROKEN - help - This option enables support for the Hades Atari clone. If you plan - to use this kernel on a Hades, say Y here; otherwise say N. - config PCI bool - depends on HADES - default y help - Find out whether you have a PCI motherboard. PCI is the name of a - bus system, i.e. the way the CPU talks to the other stuff inside - your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or - VESA. If you have PCI, say Y, otherwise N. config MAC bool "Macintosh support" diff --git a/arch/m68k/atari/Makefile b/arch/m68k/atari/Makefile index 2cd905efe63a..0cac723306f9 100644 --- a/arch/m68k/atari/Makefile +++ b/arch/m68k/atari/Makefile @@ -5,7 +5,4 @@ obj-y := config.o time.o debug.o ataints.o stdma.o \ atasound.o stram.o -ifeq ($(CONFIG_PCI),y) -obj-$(CONFIG_HADES) += hades-pci.o -endif obj-$(CONFIG_ATARI_KBD_CORE) += atakeyb.o diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index b45593a60bdd..dba4afabb444 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -407,10 +407,8 @@ void __init atari_init_IRQ(void) * gets overruns) */ - if (!MACH_IS_HADES) { - vectors[VEC_INT2] = falcon_hblhandler; - vectors[VEC_INT4] = falcon_hblhandler; - } + vectors[VEC_INT2] = falcon_hblhandler; + vectors[VEC_INT4] = falcon_hblhandler; } if (ATARIHW_PRESENT(PCM_8BIT) && ATARIHW_PRESENT(MICROWIRE)) { diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c index 5945e1505558..af031855f796 100644 --- a/arch/m68k/atari/config.c +++ b/arch/m68k/atari/config.c @@ -231,7 +231,7 @@ void __init config_atari(void) */ printk("Atari hardware found: "); - if (MACH_IS_MEDUSA || MACH_IS_HADES) { + if (MACH_IS_MEDUSA) { /* There's no Atari video hardware on the Medusa, but all the * addresses below generate a DTACK so no bus error occurs! */ } else if (hwreg_present(f030_xreg)) { @@ -269,10 +269,6 @@ void __init config_atari(void) ATARIHW_SET(SCSI_DMA); printk("TT_SCSI_DMA "); } - if (!MACH_IS_HADES && hwreg_present(&st_dma.dma_hi)) { - ATARIHW_SET(STND_DMA); - printk("STND_DMA "); - } /* * The ST-DMA address registers aren't readable * on all Medusas, so the test below may fail @@ -294,12 +290,11 @@ void __init config_atari(void) ATARIHW_SET(YM_2149); printk("YM2149 "); } - if (!MACH_IS_MEDUSA && !MACH_IS_HADES && - hwreg_present(&tt_dmasnd.ctrl)) { + if (!MACH_IS_MEDUSA && hwreg_present(&tt_dmasnd.ctrl)) { ATARIHW_SET(PCM_8BIT); printk("PCM "); } - if (!MACH_IS_HADES && hwreg_present(&falcon_codec.unused5)) { + if (hwreg_present(&falcon_codec.unused5)) { ATARIHW_SET(CODEC); printk("CODEC "); } @@ -313,7 +308,7 @@ void __init config_atari(void) (tt_scc_dma.dma_ctrl = 0x01, (tt_scc_dma.dma_ctrl & 1) == 1) && (tt_scc_dma.dma_ctrl = 0x00, (tt_scc_dma.dma_ctrl & 1) == 0) #else - !MACH_IS_MEDUSA && !MACH_IS_HADES + !MACH_IS_MEDUSA #endif ) { ATARIHW_SET(SCC_DMA); @@ -327,10 +322,7 @@ void __init config_atari(void) ATARIHW_SET(ST_ESCC); printk("ST_ESCC "); } - if (MACH_IS_HADES) { - ATARIHW_SET(VME); - printk("VME "); - } else if (hwreg_present(&tt_scu.sys_mask)) { + if (hwreg_present(&tt_scu.sys_mask)) { ATARIHW_SET(SCU); /* Assume a VME bus if there's a SCU */ ATARIHW_SET(VME); @@ -340,7 +332,7 @@ void __init config_atari(void) ATARIHW_SET(ANALOG_JOY); printk("ANALOG_JOY "); } - if (!MACH_IS_HADES && hwreg_present(blitter.halftone)) { + if (hwreg_present(blitter.halftone)) { ATARIHW_SET(BLITTER); printk("BLITTER "); } @@ -349,8 +341,7 @@ void __init config_atari(void) printk("IDE "); } #if 1 /* This maybe wrong */ - if (!MACH_IS_MEDUSA && !MACH_IS_HADES && - hwreg_present(&tt_microwire.data) && + if (!MACH_IS_MEDUSA && hwreg_present(&tt_microwire.data) && hwreg_present(&tt_microwire.mask) && (tt_microwire.mask = 0x7ff, udelay(1), @@ -369,19 +360,18 @@ void __init config_atari(void) mach_hwclk = atari_tt_hwclk; mach_set_clock_mmss = atari_tt_set_clock_mmss; } - if (!MACH_IS_HADES && hwreg_present(&mste_rtc.sec_ones)) { + if (hwreg_present(&mste_rtc.sec_ones)) { ATARIHW_SET(MSTE_CLK); printk("MSTE_CLK "); mach_hwclk = atari_mste_hwclk; mach_set_clock_mmss = atari_mste_set_clock_mmss; } - if (!MACH_IS_MEDUSA && !MACH_IS_HADES && - hwreg_present(&dma_wd.fdc_speed) && + if (!MACH_IS_MEDUSA && hwreg_present(&dma_wd.fdc_speed) && hwreg_write(&dma_wd.fdc_speed, 0)) { ATARIHW_SET(FDCSPEED); printk("FDC_SPEED "); } - if (!MACH_IS_HADES && !ATARIHW_PRESENT(ST_SCSI)) { + if (!ATARIHW_PRESENT(ST_SCSI)) { ATARIHW_SET(ACSI); printk("ACSI "); } @@ -449,7 +439,7 @@ void __init config_atari(void) * 0xFFxxxxxx -> 0x00xxxxxx, so that the first 16MB is accessible * in the last 16MB of the address space. */ - tos_version = (MACH_IS_MEDUSA || MACH_IS_HADES) ? + tos_version = (MACH_IS_MEDUSA) ? 0xfff : *(unsigned short *)0xff000002; atari_rtc_year_offset = (tos_version < 0x306) ? 70 : 68; } @@ -511,8 +501,7 @@ static void atari_reset(void) * On the Medusa, phys. 0x4 may contain garbage because it's no * ROM. See above for explanation why we cannot use PTOV(4). */ - reset_addr = MACH_IS_HADES ? 0x7fe00030 : - MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : + reset_addr = MACH_IS_MEDUSA || MACH_IS_AB40 ? 0xe00030 : *(unsigned long *) 0xff000004; /* reset ACIA for switch off OverScan, if it's active */ @@ -606,8 +595,6 @@ static void atari_get_model(char *model) if (MACH_IS_MEDUSA) /* Medusa has TT _MCH cookie */ strcat(model, "Medusa"); - else if (MACH_IS_HADES) - strcat(model, "Hades"); else strcat(model, "TT"); break; diff --git a/arch/m68k/atari/hades-pci.c b/arch/m68k/atari/hades-pci.c deleted file mode 100644 index 2bbabc008708..000000000000 --- a/arch/m68k/atari/hades-pci.c +++ /dev/null @@ -1,440 +0,0 @@ -/* - * hades-pci.c - Hardware specific PCI BIOS functions the Hades Atari clone. - * - * Written by Wout Klaren. - */ - -#include -#include -#include - -#if 0 -# define DBG_DEVS(args) printk args -#else -# define DBG_DEVS(args) -#endif - -#if defined(CONFIG_PCI) && defined(CONFIG_HADES) - -#include -#include -#include - -#include -#include -#include -#include - -#define HADES_MEM_BASE 0x80000000 -#define HADES_MEM_SIZE 0x20000000 -#define HADES_CONFIG_BASE 0xA0000000 -#define HADES_CONFIG_SIZE 0x10000000 -#define HADES_IO_BASE 0xB0000000 -#define HADES_IO_SIZE 0x10000000 -#define HADES_VIRT_IO_SIZE 0x00010000 /* Only 64k is remapped and actually used. */ - -#define N_SLOTS 4 /* Number of PCI slots. */ - -static const char pci_mem_name[] = "PCI memory space"; -static const char pci_io_name[] = "PCI I/O space"; -static const char pci_config_name[] = "PCI config space"; - -static struct resource config_space = { - .name = pci_config_name, - .start = HADES_CONFIG_BASE, - .end = HADES_CONFIG_BASE + HADES_CONFIG_SIZE - 1 -}; -static struct resource io_space = { - .name = pci_io_name, - .start = HADES_IO_BASE, - .end = HADES_IO_BASE + HADES_IO_SIZE - 1 -}; - -static const unsigned long pci_conf_base_phys[] = { - 0xA0080000, 0xA0040000, 0xA0020000, 0xA0010000 -}; -static unsigned long pci_conf_base_virt[N_SLOTS]; -static unsigned long pci_io_base_virt; - -/* - * static void *mk_conf_addr(unsigned char bus, unsigned char device_fn, - * unsigned char where) - * - * Calculate the address of the PCI configuration area of the given - * device. - * - * BUG: boards with multiple functions are probably not correctly - * supported. - */ - -static void *mk_conf_addr(struct pci_dev *dev, int where) -{ - int device = dev->devfn >> 3, function = dev->devfn & 7; - void *result; - - DBG_DEVS(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, pci_addr=0x%p)\n", - dev->bus->number, dev->devfn, where, pci_addr)); - - if (device > 3) - { - DBG_DEVS(("mk_conf_addr: device (%d) > 3, returning NULL\n", device)); - return NULL; - } - - if (dev->bus->number != 0) - { - DBG_DEVS(("mk_conf_addr: bus (%d) > 0, returning NULL\n", device)); - return NULL; - } - - result = (void *) (pci_conf_base_virt[device] | (function << 8) | (where)); - DBG_DEVS(("mk_conf_addr: returning pci_addr 0x%lx\n", (unsigned long) result)); - return result; -} - -static int hades_read_config_byte(struct pci_dev *dev, int where, u8 *value) -{ - volatile unsigned char *pci_addr; - - *value = 0xff; - - if ((pci_addr = (unsigned char *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - *value = *pci_addr; - - return PCIBIOS_SUCCESSFUL; -} - -static int hades_read_config_word(struct pci_dev *dev, int where, u16 *value) -{ - volatile unsigned short *pci_addr; - - *value = 0xffff; - - if (where & 0x1) - return PCIBIOS_BAD_REGISTER_NUMBER; - - if ((pci_addr = (unsigned short *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - *value = le16_to_cpu(*pci_addr); - - return PCIBIOS_SUCCESSFUL; -} - -static int hades_read_config_dword(struct pci_dev *dev, int where, u32 *value) -{ - volatile unsigned int *pci_addr; - unsigned char header_type; - int result; - - *value = 0xffffffff; - - if (where & 0x3) - return PCIBIOS_BAD_REGISTER_NUMBER; - - if ((pci_addr = (unsigned int *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - *value = le32_to_cpu(*pci_addr); - - /* - * Check if the value is an address on the bus. If true, add the - * base address of the PCI memory or PCI I/O area on the Hades. - */ - - if ((result = hades_read_config_byte(dev, PCI_HEADER_TYPE, - &header_type)) != PCIBIOS_SUCCESSFUL) - return result; - - if (((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_1)) || - ((header_type != PCI_HEADER_TYPE_BRIDGE) && ((where >= PCI_BASE_ADDRESS_2) && - (where <= PCI_BASE_ADDRESS_5)))) - { - if ((*value & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) - { - /* - * Base address register that contains an I/O address. If the - * address is valid on the Hades (0 <= *value < HADES_VIRT_IO_SIZE), - * add 'pci_io_base_virt' to the value. - */ - - if (*value < HADES_VIRT_IO_SIZE) - *value += pci_io_base_virt; - } - else - { - /* - * Base address register that contains an memory address. If the - * address is valid on the Hades (0 <= *value < HADES_MEM_SIZE), - * add HADES_MEM_BASE to the value. - */ - - if (*value == 0) - { - /* - * Base address is 0. Test if this base - * address register is used. - */ - - *pci_addr = 0xffffffff; - if (*pci_addr != 0) - { - *pci_addr = *value; - if (*value < HADES_MEM_SIZE) - *value += HADES_MEM_BASE; - } - } - else - { - if (*value < HADES_MEM_SIZE) - *value += HADES_MEM_BASE; - } - } - } - - return PCIBIOS_SUCCESSFUL; -} - -static int hades_write_config_byte(struct pci_dev *dev, int where, u8 value) -{ - volatile unsigned char *pci_addr; - - if ((pci_addr = (unsigned char *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - *pci_addr = value; - - return PCIBIOS_SUCCESSFUL; -} - -static int hades_write_config_word(struct pci_dev *dev, int where, u16 value) -{ - volatile unsigned short *pci_addr; - - if ((pci_addr = (unsigned short *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - *pci_addr = cpu_to_le16(value); - - return PCIBIOS_SUCCESSFUL; -} - -static int hades_write_config_dword(struct pci_dev *dev, int where, u32 value) -{ - volatile unsigned int *pci_addr; - unsigned char header_type; - int result; - - if ((pci_addr = (unsigned int *) mk_conf_addr(dev, where)) == NULL) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* - * Check if the value is an address on the bus. If true, subtract the - * base address of the PCI memory or PCI I/O area on the Hades. - */ - - if ((result = hades_read_config_byte(dev, PCI_HEADER_TYPE, - &header_type)) != PCIBIOS_SUCCESSFUL) - return result; - - if (((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_1)) || - ((header_type != PCI_HEADER_TYPE_BRIDGE) && ((where >= PCI_BASE_ADDRESS_2) && - (where <= PCI_BASE_ADDRESS_5)))) - { - if ((value & PCI_BASE_ADDRESS_SPACE) == - PCI_BASE_ADDRESS_SPACE_IO) - { - /* - * I/O address. Check if the address is valid address on - * the Hades (pci_io_base_virt <= value < pci_io_base_virt + - * HADES_VIRT_IO_SIZE) or if the value is 0xffffffff. If not - * true do not write the base address register. If it is a - * valid base address subtract 'pci_io_base_virt' from the value. - */ - - if ((value >= pci_io_base_virt) && (value < (pci_io_base_virt + - HADES_VIRT_IO_SIZE))) - value -= pci_io_base_virt; - else - { - if (value != 0xffffffff) - return PCIBIOS_SET_FAILED; - } - } - else - { - /* - * Memory address. Check if the address is valid address on - * the Hades (HADES_MEM_BASE <= value < HADES_MEM_BASE + HADES_MEM_SIZE) or - * if the value is 0xffffffff. If not true do not write - * the base address register. If it is a valid base address - * subtract HADES_MEM_BASE from the value. - */ - - if ((value >= HADES_MEM_BASE) && (value < (HADES_MEM_BASE + HADES_MEM_SIZE))) - value -= HADES_MEM_BASE; - else - { - if (value != 0xffffffff) - return PCIBIOS_SET_FAILED; - } - } - } - - *pci_addr = cpu_to_le32(value); - - return PCIBIOS_SUCCESSFUL; -} - -/* - * static inline void hades_fixup(void) - * - * Assign IRQ numbers as used by Linux to the interrupt pins - * of the PCI cards. - */ - -static void __init hades_fixup(int pci_modify) -{ - char irq_tab[4] = { - [0] = IRQ_TT_MFP_IO0, /* Slot 0. */ - [1] = IRQ_TT_MFP_IO1, /* Slot 1. */ - [2] = IRQ_TT_MFP_SCC, /* Slot 2. */ - [3] = IRQ_TT_MFP_SCSIDMA /* Slot 3. */ - }; - struct pci_dev *dev = NULL; - unsigned char slot; - - /* - * Go through all devices, fixing up irqs as we see fit: - */ - - while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) - { - if (dev->class >> 16 != PCI_BASE_CLASS_BRIDGE) - { - slot = PCI_SLOT(dev->devfn); /* Determine slot number. */ - dev->irq = irq_tab[slot]; - if (pci_modify) - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - } - } -} - -/* - * static void hades_conf_device(struct pci_dev *dev) - * - * Machine dependent Configure the given device. - * - * Parameters: - * - * dev - the pci device. - */ - -static void __init hades_conf_device(struct pci_dev *dev) -{ - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0); -} - -static struct pci_ops hades_pci_ops = { - .read_byte = hades_read_config_byte, - .read_word = hades_read_config_word, - .read_dword = hades_read_config_dword, - .write_byte = hades_write_config_byte, - .write_word = hades_write_config_word, - .write_dword = hades_write_config_dword -}; - -/* - * struct pci_bus_info *init_hades_pci(void) - * - * Machine specific initialisation: - * - * - Allocate and initialise a 'pci_bus_info' structure - * - Initialise hardware - * - * Result: pointer to 'pci_bus_info' structure. - */ - -struct pci_bus_info * __init init_hades_pci(void) -{ - struct pci_bus_info *bus; - int i; - - /* - * Remap I/O and configuration space. - */ - - pci_io_base_virt = (unsigned long) ioremap(HADES_IO_BASE, HADES_VIRT_IO_SIZE); - - for (i = 0; i < N_SLOTS; i++) - pci_conf_base_virt[i] = (unsigned long) ioremap(pci_conf_base_phys[i], 0x10000); - - /* - * Allocate memory for bus info structure. - */ - - bus = kzalloc(sizeof(struct pci_bus_info), GFP_KERNEL); - if (unlikely(!bus)) - goto iounmap_base_virt; - - /* - * Claim resources. The m68k has no separate I/O space, both - * PCI memory space and PCI I/O space are in memory space. Therefore - * the I/O resources are requested in memory space as well. - */ - - if (unlikely(request_resource(&iomem_resource, &config_space) != 0)) - goto free_bus; - - if (unlikely(request_resource(&iomem_resource, &io_space) != 0)) - goto release_config_space; - - bus->mem_space.start = HADES_MEM_BASE; - bus->mem_space.end = HADES_MEM_BASE + HADES_MEM_SIZE - 1; - bus->mem_space.name = pci_mem_name; -#if 1 - if (unlikely(request_resource(&iomem_resource, &bus->mem_space) != 0)) - goto release_io_space; -#endif - bus->io_space.start = pci_io_base_virt; - bus->io_space.end = pci_io_base_virt + HADES_VIRT_IO_SIZE - 1; - bus->io_space.name = pci_io_name; -#if 1 - if (unlikely(request_resource(&ioport_resource, &bus->io_space) != 0)) - goto release_bus_mem_space; -#endif - /* - * Set hardware dependent functions. - */ - - bus->m68k_pci_ops = &hades_pci_ops; - bus->fixup = hades_fixup; - bus->conf_device = hades_conf_device; - - /* - * Select high to low edge for PCI interrupts. - */ - - tt_mfp.active_edge &= ~0x27; - - return bus; - -release_bus_mem_space: - release_resource(&bus->mem_space); -release_io_space: - release_resource(&io_space); -release_config_space: - release_resource(&config_space); -free_bus: - kfree(bus); -iounmap_base_virt: - iounmap((void *)pci_io_base_virt); - - for (i = 0; i < N_SLOTS; i++) - iounmap((void *)pci_conf_base_virt[i]); - - return NULL; -} -#endif diff --git a/arch/m68k/kernel/bios32.c b/arch/m68k/kernel/bios32.c index af170c2be735..1c3b752f5608 100644 --- a/arch/m68k/kernel/bios32.c +++ b/arch/m68k/kernel/bios32.c @@ -476,10 +476,12 @@ void __init pcibios_init(void) printk("Linux/m68k PCI BIOS32 revision %x.%02x\n", MAJOR_REV, MINOR_REV); bus_info = NULL; -#ifdef CONFIG_HADES + +/* Hades code was: if (MACH_IS_HADES) bus_info = init_hades_pci(); -#endif +*/ + if (bus_info != NULL) { printk("PCI: Probing PCI hardware\n"); diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 7888cdf91f5d..3042c2bc8c58 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -78,7 +78,7 @@ unsigned long thread_saved_pc(struct task_struct *tsk) static void default_idle(void) { if (!need_resched()) -#if defined(MACH_ATARI_ONLY) && !defined(CONFIG_HADES) +#if defined(MACH_ATARI_ONLY) /* block out HSYNC on the atari (falcon) */ __asm__("stop #0x2200" : : : "cc"); #else diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 49f274197b16..432cf4018291 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1882,10 +1882,6 @@ static int __init atari_floppy_init (void) /* Amiga, Mac, ... don't have Atari-compatible floppy :-) */ return -ENODEV; - if (MACH_IS_HADES) - /* Hades doesn't have Atari-compatible floppy */ - return -ENODEV; - if (register_blkdev(FLOPPY_MAJOR,"fd")) return -EBUSY; diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index d3b211af4e1c..96033ecb675d 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1670,14 +1670,6 @@ config ATARI_SCSI_RESET_BOOT boot process fractionally longer but may assist recovery from errors that leave the devices with SCSI operations partway completed. -config TT_DMA_EMUL - bool "Hades SCSI DMA emulator" - depends on ATARI_SCSI && HADES - help - This option enables code which emulates the TT SCSI DMA chip on the - Hades. This increases the SCSI transfer rates at least ten times - compared to PIO transfers. - config MAC_SCSI bool "Macintosh NCR5380 SCSI" depends on MAC && SCSI=y diff --git a/drivers/scsi/atari_dma_emul.c b/drivers/scsi/atari_dma_emul.c deleted file mode 100644 index cdc710ea00fa..000000000000 --- a/drivers/scsi/atari_dma_emul.c +++ /dev/null @@ -1,468 +0,0 @@ -/* - * atari_dma_emul.c -- TT SCSI DMA emulator for the Hades. - * - * Copyright 1997 Wout Klaren - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * This code was written using the Hades TOS source code as a - * reference. This source code can be found on the home page - * of Medusa Computer Systems. - * - * Version 0.1, 1997-09-24. - * - * This code should be considered experimental. It has only been - * tested on a Hades with a 68060. It might not work on a Hades - * with a 68040. Make backups of your hard drives before using - * this code. - */ - -#include -#include -#include - -#define hades_dma_ctrl (*(unsigned char *) 0xffff8717) -#define hades_psdm_reg (*(unsigned char *) 0xffff8741) - -#define TRANSFER_SIZE 16 - -struct m68040_frame { - unsigned long effaddr; /* effective address */ - unsigned short ssw; /* special status word */ - unsigned short wb3s; /* write back 3 status */ - unsigned short wb2s; /* write back 2 status */ - unsigned short wb1s; /* write back 1 status */ - unsigned long faddr; /* fault address */ - unsigned long wb3a; /* write back 3 address */ - unsigned long wb3d; /* write back 3 data */ - unsigned long wb2a; /* write back 2 address */ - unsigned long wb2d; /* write back 2 data */ - unsigned long wb1a; /* write back 1 address */ - unsigned long wb1dpd0; /* write back 1 data/push data 0*/ - unsigned long pd1; /* push data 1*/ - unsigned long pd2; /* push data 2*/ - unsigned long pd3; /* push data 3*/ -}; - -static void writeback (unsigned short wbs, unsigned long wba, - unsigned long wbd, void *old_buserr) -{ - mm_segment_t fs = get_fs(); - static void *save_buserr; - - __asm__ __volatile__ ("movec.l %%vbr,%%a0\n\t" - "move.l %0,8(%%a0)\n\t" - : - : "r" (&&bus_error) - : "a0" ); - - save_buserr = old_buserr; - - set_fs (MAKE_MM_SEG(wbs & WBTM_040)); - - switch (wbs & WBSIZ_040) { - case BA_SIZE_BYTE: - put_user (wbd & 0xff, (char *)wba); - break; - case BA_SIZE_WORD: - put_user (wbd & 0xffff, (short *)wba); - break; - case BA_SIZE_LONG: - put_user (wbd, (int *)wba); - break; - } - - set_fs (fs); - return; - -bus_error: - __asm__ __volatile__ ("cmp.l %0,2(%%sp)\n\t" - "bcs.s .jump_old\n\t" - "cmp.l %1,2(%%sp)\n\t" - "bls.s .restore_old\n" - ".jump_old:\n\t" - "move.l %2,-(%%sp)\n\t" - "rts\n" - ".restore_old:\n\t" - "move.l %%a0,-(%%sp)\n\t" - "movec.l %%vbr,%%a0\n\t" - "move.l %2,8(%%a0)\n\t" - "move.l (%%sp)+,%%a0\n\t" - "rte\n\t" - : - : "i" (writeback), "i" (&&bus_error), - "m" (save_buserr) ); -} - -/* - * static inline void set_restdata_reg(unsigned char *cur_addr) - * - * Set the rest data register if necessary. - */ - -static inline void set_restdata_reg(unsigned char *cur_addr) -{ - if (((long) cur_addr & ~3) != 0) - tt_scsi_dma.dma_restdata = - *((unsigned long *) ((long) cur_addr & ~3)); -} - -/* - * void hades_dma_emulator(int irq, void *dummy) - * - * This code emulates TT SCSI DMA on the Hades. - * - * Note the following: - * - * 1. When there is no byte available to read from the SCSI bus, or - * when a byte cannot yet bet written to the SCSI bus, a bus - * error occurs when reading or writing the pseudo DMA data - * register (hades_psdm_reg). We have to catch this bus error - * and try again to read or write the byte. If after several tries - * we still get a bus error, the interrupt handler is left. When - * the byte can be read or written, the interrupt handler is - * called again. - * - * 2. The SCSI interrupt must be disabled in this interrupt handler. - * - * 3. If we set the EOP signal, the SCSI controller still expects one - * byte to be read or written. Therefore the last byte is transferred - * separately, after setting the EOP signal. - * - * 4. When this function is left, the address pointer (start_addr) is - * converted to a physical address. Because it points one byte - * further than the last transferred byte, it can point outside the - * current page. If virt_to_phys() is called with this address we - * might get an access error. Therefore virt_to_phys() is called with - * start_addr - 1 if the count has reached zero. The result is - * increased with one. - */ - -static irqreturn_t hades_dma_emulator(int irq, void *dummy) -{ - unsigned long dma_base; - register unsigned long dma_cnt asm ("d3"); - static long save_buserr; - register unsigned long save_sp asm ("d4"); - register int tries asm ("d5"); - register unsigned char *start_addr asm ("a3"), *end_addr asm ("a4"); - register unsigned char *eff_addr; - register unsigned char *psdm_reg; - unsigned long rem; - - atari_disable_irq(IRQ_TT_MFP_SCSI); - - /* - * Read the dma address and count registers. - */ - - dma_base = SCSI_DMA_READ_P(dma_addr); - dma_cnt = SCSI_DMA_READ_P(dma_cnt); - - /* - * Check if DMA is still enabled. - */ - - if ((tt_scsi_dma.dma_ctrl & 2) == 0) - { - atari_enable_irq(IRQ_TT_MFP_SCSI); - return IRQ_HANDLED; - } - - if (dma_cnt == 0) - { - printk(KERN_NOTICE "DMA emulation: count is zero.\n"); - tt_scsi_dma.dma_ctrl &= 0xfd; /* DMA ready. */ - atari_enable_irq(IRQ_TT_MFP_SCSI); - return IRQ_HANDLED; - } - - /* - * Install new bus error routine. - */ - - __asm__ __volatile__ ("movec.l %%vbr,%%a0\n\t" - "move.l 8(%%a0),%0\n\t" - "move.l %1,8(%%a0)\n\t" - : "=&r" (save_buserr) - : "r" (&&scsi_bus_error) - : "a0" ); - - hades_dma_ctrl &= 0xfc; /* Bus error and EOP off. */ - - /* - * Save the stack pointer. - */ - - __asm__ __volatile__ ("move.l %%sp,%0\n\t" - : "=&r" (save_sp) ); - - tries = 100; /* Maximum number of bus errors. */ - start_addr = phys_to_virt(dma_base); - end_addr = start_addr + dma_cnt; - -scsi_loop: - dma_cnt--; - rem = dma_cnt & (TRANSFER_SIZE - 1); - dma_cnt &= ~(TRANSFER_SIZE - 1); - psdm_reg = &hades_psdm_reg; - - if (tt_scsi_dma.dma_ctrl & 1) /* Read or write? */ - { - /* - * SCSI write. Abort when count is zero. - */ - - switch (rem) - { - case 0: - while (dma_cnt > 0) - { - dma_cnt -= TRANSFER_SIZE; - - *psdm_reg = *start_addr++; - case 15: - *psdm_reg = *start_addr++; - case 14: - *psdm_reg = *start_addr++; - case 13: - *psdm_reg = *start_addr++; - case 12: - *psdm_reg = *start_addr++; - case 11: - *psdm_reg = *start_addr++; - case 10: - *psdm_reg = *start_addr++; - case 9: - *psdm_reg = *start_addr++; - case 8: - *psdm_reg = *start_addr++; - case 7: - *psdm_reg = *start_addr++; - case 6: - *psdm_reg = *start_addr++; - case 5: - *psdm_reg = *start_addr++; - case 4: - *psdm_reg = *start_addr++; - case 3: - *psdm_reg = *start_addr++; - case 2: - *psdm_reg = *start_addr++; - case 1: - *psdm_reg = *start_addr++; - } - } - - hades_dma_ctrl |= 1; /* Set EOP. */ - udelay(10); - *psdm_reg = *start_addr++; /* Dummy byte. */ - tt_scsi_dma.dma_ctrl &= 0xfd; /* DMA ready. */ - } - else - { - /* - * SCSI read. Abort when count is zero. - */ - - switch (rem) - { - case 0: - while (dma_cnt > 0) - { - dma_cnt -= TRANSFER_SIZE; - - *start_addr++ = *psdm_reg; - case 15: - *start_addr++ = *psdm_reg; - case 14: - *start_addr++ = *psdm_reg; - case 13: - *start_addr++ = *psdm_reg; - case 12: - *start_addr++ = *psdm_reg; - case 11: - *start_addr++ = *psdm_reg; - case 10: - *start_addr++ = *psdm_reg; - case 9: - *start_addr++ = *psdm_reg; - case 8: - *start_addr++ = *psdm_reg; - case 7: - *start_addr++ = *psdm_reg; - case 6: - *start_addr++ = *psdm_reg; - case 5: - *start_addr++ = *psdm_reg; - case 4: - *start_addr++ = *psdm_reg; - case 3: - *start_addr++ = *psdm_reg; - case 2: - *start_addr++ = *psdm_reg; - case 1: - *start_addr++ = *psdm_reg; - } - } - - hades_dma_ctrl |= 1; /* Set EOP. */ - udelay(10); - *start_addr++ = *psdm_reg; - tt_scsi_dma.dma_ctrl &= 0xfd; /* DMA ready. */ - - set_restdata_reg(start_addr); - } - - if (start_addr != end_addr) - printk(KERN_CRIT "DMA emulation: FATAL: Count is not zero at end of transfer.\n"); - - dma_cnt = end_addr - start_addr; - -scsi_end: - dma_base = (dma_cnt == 0) ? virt_to_phys(start_addr - 1) + 1 : - virt_to_phys(start_addr); - - SCSI_DMA_WRITE_P(dma_addr, dma_base); - SCSI_DMA_WRITE_P(dma_cnt, dma_cnt); - - /* - * Restore old bus error routine. - */ - - __asm__ __volatile__ ("movec.l %%vbr,%%a0\n\t" - "move.l %0,8(%%a0)\n\t" - : - : "r" (save_buserr) - : "a0" ); - - atari_enable_irq(IRQ_TT_MFP_SCSI); - - return IRQ_HANDLED; - -scsi_bus_error: - /* - * First check if the bus error is caused by our code. - * If not, call the original handler. - */ - - __asm__ __volatile__ ("cmp.l %0,2(%%sp)\n\t" - "bcs.s .old_vector\n\t" - "cmp.l %1,2(%%sp)\n\t" - "bls.s .scsi_buserr\n" - ".old_vector:\n\t" - "move.l %2,-(%%sp)\n\t" - "rts\n" - ".scsi_buserr:\n\t" - : - : "i" (&&scsi_loop), "i" (&&scsi_end), - "m" (save_buserr) ); - - if (CPU_IS_060) - { - /* - * Get effective address and restore the stack. - */ - - __asm__ __volatile__ ("move.l 8(%%sp),%0\n\t" - "move.l %1,%%sp\n\t" - : "=a&" (eff_addr) - : "r" (save_sp) ); - } - else - { - register struct m68040_frame *frame; - - __asm__ __volatile__ ("lea 8(%%sp),%0\n\t" - : "=a&" (frame) ); - - if (tt_scsi_dma.dma_ctrl & 1) - { - /* - * Bus error while writing. - */ - - if (frame->wb3s & WBV_040) - { - if (frame->wb3a == (long) &hades_psdm_reg) - start_addr--; - else - writeback(frame->wb3s, frame->wb3a, - frame->wb3d, &&scsi_bus_error); - } - - if (frame->wb2s & WBV_040) - { - if (frame->wb2a == (long) &hades_psdm_reg) - start_addr--; - else - writeback(frame->wb2s, frame->wb2a, - frame->wb2d, &&scsi_bus_error); - } - - if (frame->wb1s & WBV_040) - { - if (frame->wb1a == (long) &hades_psdm_reg) - start_addr--; - } - } - else - { - /* - * Bus error while reading. - */ - - if (frame->wb3s & WBV_040) - writeback(frame->wb3s, frame->wb3a, - frame->wb3d, &&scsi_bus_error); - } - - eff_addr = (unsigned char *) frame->faddr; - - __asm__ __volatile__ ("move.l %0,%%sp\n\t" - : - : "r" (save_sp) ); - } - - dma_cnt = end_addr - start_addr; - - if (eff_addr == &hades_psdm_reg) - { - /* - * Bus error occurred while reading the pseudo - * DMA register. Time out. - */ - - tries--; - - if (tries <= 0) - { - if ((tt_scsi_dma.dma_ctrl & 1) == 0) /* Read or write? */ - set_restdata_reg(start_addr); - - if (dma_cnt <= 1) - printk(KERN_CRIT "DMA emulation: Fatal " - "error while %s the last byte.\n", - (tt_scsi_dma.dma_ctrl & 1) - ? "writing" : "reading"); - - goto scsi_end; - } - else - goto scsi_loop; - } - else - { - /* - * Bus error during pseudo DMA transfer. - * Terminate the DMA transfer. - */ - - hades_dma_ctrl |= 3; /* Set EOP and bus error. */ - if ((tt_scsi_dma.dma_ctrl & 1) == 0) /* Read or write? */ - set_restdata_reg(start_addr); - goto scsi_end; - } -} diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index f5732d8f67fe..21fe07f9df87 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -249,10 +249,6 @@ static int setup_hostid = -1; module_param(setup_hostid, int, 0); -#if defined(CONFIG_TT_DMA_EMUL) -#include "atari_dma_emul.c" -#endif - #if defined(REAL_DMA) static int scsi_dma_is_ignored_buserr(unsigned char dma_stat) @@ -695,21 +691,8 @@ int atari_scsi_detect(struct scsi_host_template *host) #ifdef REAL_DMA tt_scsi_dma.dma_ctrl = 0; atari_dma_residual = 0; -#ifdef CONFIG_TT_DMA_EMUL - if (MACH_IS_HADES) { - if (request_irq(IRQ_AUTO_2, hades_dma_emulator, - IRQ_TYPE_PRIO, "Hades DMA emulator", - hades_dma_emulator)) { - printk(KERN_ERR "atari_scsi_detect: cannot allocate irq %d, aborting (MACH_IS_HADES)",IRQ_AUTO_2); - free_irq(IRQ_TT_MFP_SCSI, instance); - scsi_unregister(atari_scsi_host); - atari_stram_free(atari_dma_buffer); - atari_dma_buffer = 0; - return 0; - } - } -#endif - if (MACH_IS_MEDUSA || MACH_IS_HADES) { + + if (MACH_IS_MEDUSA) { /* While the read overruns (described by Drew Eckhardt in * NCR5380.c) never happened on TTs, they do in fact on the Medusa * (This was the cause why SCSI didn't work right for so long @@ -1007,11 +990,7 @@ static unsigned long atari_dma_xfer_len(unsigned long wanted_len, Scsi_Cmnd *cmd, int write_flag) { unsigned long possible_len, limit; -#ifndef CONFIG_TT_DMA_EMUL - if (MACH_IS_HADES) - /* Hades has no SCSI DMA at all :-( Always force use of PIO */ - return 0; -#endif + if (IS_A_TT()) /* TT SCSI DMA can transfer arbitrary #bytes */ return wanted_len; diff --git a/include/asm-m68k/atarihw.h b/include/asm-m68k/atarihw.h index ecf007df7743..1412b4ab202f 100644 --- a/include/asm-m68k/atarihw.h +++ b/include/asm-m68k/atarihw.h @@ -39,7 +39,6 @@ extern int atari_dont_touch_floppy_select; #define MACH_IS_TT ((atari_mch_cookie >> 16) == ATARI_MCH_TT) #define MACH_IS_FALCON ((atari_mch_cookie >> 16) == ATARI_MCH_FALCON) #define MACH_IS_MEDUSA (atari_mch_type == ATARI_MACH_MEDUSA) -#define MACH_IS_HADES (atari_mch_type == ATARI_MACH_HADES) #define MACH_IS_AB40 (atari_mch_type == ATARI_MACH_AB40) /* values for atari_switches */ diff --git a/include/asm-m68k/entry.h b/include/asm-m68k/entry.h index f8f6b185d793..5202f5a5b420 100644 --- a/include/asm-m68k/entry.h +++ b/include/asm-m68k/entry.h @@ -31,7 +31,7 @@ */ /* the following macro is used when enabling interrupts */ -#if defined(MACH_ATARI_ONLY) && !defined(CONFIG_HADES) +#if defined(MACH_ATARI_ONLY) /* block out HSYNC on the atari */ #define ALLOWINT (~0x400) #define MAX_NOINT_IPL 3 diff --git a/include/asm-m68k/virtconvert.h b/include/asm-m68k/virtconvert.h index dea32fbc7e51..22ab05c9c52b 100644 --- a/include/asm-m68k/virtconvert.h +++ b/include/asm-m68k/virtconvert.h @@ -40,15 +40,9 @@ static inline void *phys_to_virt(unsigned long address) /* * IO bus memory addresses are 1:1 with the physical address, - * except on the PCI bus of the Hades. */ -#ifdef CONFIG_HADES -#define virt_to_bus(a) (virt_to_phys(a) + (MACH_IS_HADES ? 0x80000000 : 0)) -#define bus_to_virt(a) (phys_to_virt((a) - (MACH_IS_HADES ? 0x80000000 : 0))) -#else #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt -#endif #endif #endif -- GitLab From 2171a19a246551dac7805faa077075f7222507ac Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 13 Oct 2008 21:59:00 +0200 Subject: [PATCH 4739/6244] m68k: remove the dead PCI code This patch removes the no longer used m68k PCI code. Signed-off-by: Adrian Bunk Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/Kconfig | 4 - arch/m68k/kernel/Makefile | 1 - arch/m68k/kernel/bios32.c | 516 -------------------------------------- include/asm-m68k/dma.h | 4 - include/asm-m68k/io.h | 66 +---- include/asm-m68k/pci.h | 46 ---- 6 files changed, 7 insertions(+), 630 deletions(-) delete mode 100644 arch/m68k/kernel/bios32.c diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 2ec21f7fcb52..677c93a490f6 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -122,10 +122,6 @@ config ATARI this kernel on an Atari, say Y here and browse the material available in ; otherwise say N. -config PCI - bool - help - config MAC bool "Macintosh support" select MMU_MOTOROLA if MMU diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index 3a7f62225504..55d5d6b680a2 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -14,5 +14,4 @@ obj-y := entry.o process.o traps.o ints.o signal.o ptrace.o module.o \ devres-y = ../../../kernel/irq/devres.o -obj-$(CONFIG_PCI) += bios32.o obj-y$(CONFIG_MMU_SUN3) += dma.o # no, it's not a typo diff --git a/arch/m68k/kernel/bios32.c b/arch/m68k/kernel/bios32.c deleted file mode 100644 index 1c3b752f5608..000000000000 --- a/arch/m68k/kernel/bios32.c +++ /dev/null @@ -1,516 +0,0 @@ -/* - * bios32.c - PCI BIOS functions for m68k systems. - * - * Written by Wout Klaren. - * - * Based on the DEC Alpha bios32.c by Dave Rusling and David Mosberger. - */ - -#include -#include - -#if 0 -# define DBG_DEVS(args) printk args -#else -# define DBG_DEVS(args) -#endif - -#ifdef CONFIG_PCI - -/* - * PCI support for Linux/m68k. Currently only the Hades is supported. - * - * The support for PCI bridges in the DEC Alpha version has - * been removed in this version. - */ - -#include -#include -#include - -#include -#include -#include - -#define KB 1024 -#define MB (1024*KB) -#define GB (1024*MB) - -#define MAJOR_REV 0 -#define MINOR_REV 5 - -/* - * Align VAL to ALIGN, which must be a power of two. - */ - -#define ALIGN(val,align) (((val) + ((align) - 1)) & ~((align) - 1)) - -/* - * Offsets relative to the I/O and memory base addresses from where resources - * are allocated. - */ - -#define IO_ALLOC_OFFSET 0x00004000 -#define MEM_ALLOC_OFFSET 0x04000000 - -/* - * Declarations of hardware specific initialisation functions. - */ - -extern struct pci_bus_info *init_hades_pci(void); - -/* - * Bus info structure of the PCI bus. A pointer to this structure is - * put in the sysdata member of the pci_bus structure. - */ - -static struct pci_bus_info *bus_info; - -static int pci_modify = 1; /* If set, layout the PCI bus ourself. */ -static int skip_vga; /* If set do not modify base addresses - of vga cards.*/ -static int disable_pci_burst; /* If set do not allow PCI bursts. */ - -static unsigned int io_base; -static unsigned int mem_base; - -/* - * static void disable_dev(struct pci_dev *dev) - * - * Disable PCI device DEV so that it does not respond to I/O or memory - * accesses. - * - * Parameters: - * - * dev - device to disable. - */ - -static void __init disable_dev(struct pci_dev *dev) -{ - unsigned short cmd; - - if (((dev->class >> 8 == PCI_CLASS_NOT_DEFINED_VGA) || - (dev->class >> 8 == PCI_CLASS_DISPLAY_VGA) || - (dev->class >> 8 == PCI_CLASS_DISPLAY_XGA)) && skip_vga) - return; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - - cmd &= (~PCI_COMMAND_IO & ~PCI_COMMAND_MEMORY & ~PCI_COMMAND_MASTER); - pci_write_config_word(dev, PCI_COMMAND, cmd); -} - -/* - * static void layout_dev(struct pci_dev *dev) - * - * Layout memory and I/O for a device. - * - * Parameters: - * - * device - device to layout memory and I/O for. - */ - -static void __init layout_dev(struct pci_dev *dev) -{ - unsigned short cmd; - unsigned int base, mask, size, reg; - unsigned int alignto; - int i; - - /* - * Skip video cards if requested. - */ - - if (((dev->class >> 8 == PCI_CLASS_NOT_DEFINED_VGA) || - (dev->class >> 8 == PCI_CLASS_DISPLAY_VGA) || - (dev->class >> 8 == PCI_CLASS_DISPLAY_XGA)) && skip_vga) - return; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - - for (reg = PCI_BASE_ADDRESS_0, i = 0; reg <= PCI_BASE_ADDRESS_5; reg += 4, i++) - { - /* - * Figure out how much space and of what type this - * device wants. - */ - - pci_write_config_dword(dev, reg, 0xffffffff); - pci_read_config_dword(dev, reg, &base); - - if (!base) - { - /* this base-address register is unused */ - dev->resource[i].start = 0; - dev->resource[i].end = 0; - dev->resource[i].flags = 0; - continue; - } - - /* - * We've read the base address register back after - * writing all ones and so now we must decode it. - */ - - if (base & PCI_BASE_ADDRESS_SPACE_IO) - { - /* - * I/O space base address register. - */ - - cmd |= PCI_COMMAND_IO; - - base &= PCI_BASE_ADDRESS_IO_MASK; - mask = (~base << 1) | 0x1; - size = (mask & base) & 0xffffffff; - - /* - * Align to multiple of size of minimum base. - */ - - alignto = max_t(unsigned int, 0x040, size); - base = ALIGN(io_base, alignto); - io_base = base + size; - pci_write_config_dword(dev, reg, base | PCI_BASE_ADDRESS_SPACE_IO); - - dev->resource[i].start = base; - dev->resource[i].end = dev->resource[i].start + size - 1; - dev->resource[i].flags = IORESOURCE_IO | PCI_BASE_ADDRESS_SPACE_IO; - - DBG_DEVS(("layout_dev: IO address: %lX\n", base)); - } - else - { - unsigned int type; - - /* - * Memory space base address register. - */ - - cmd |= PCI_COMMAND_MEMORY; - type = base & PCI_BASE_ADDRESS_MEM_TYPE_MASK; - base &= PCI_BASE_ADDRESS_MEM_MASK; - mask = (~base << 1) | 0x1; - size = (mask & base) & 0xffffffff; - switch (type) - { - case PCI_BASE_ADDRESS_MEM_TYPE_32: - case PCI_BASE_ADDRESS_MEM_TYPE_64: - break; - - case PCI_BASE_ADDRESS_MEM_TYPE_1M: - printk("bios32 WARNING: slot %d, function %d " - "requests memory below 1MB---don't " - "know how to do that.\n", - PCI_SLOT(dev->devfn), - PCI_FUNC(dev->devfn)); - continue; - } - - /* - * Align to multiple of size of minimum base. - */ - - alignto = max_t(unsigned int, 0x1000, size); - base = ALIGN(mem_base, alignto); - mem_base = base + size; - pci_write_config_dword(dev, reg, base); - - dev->resource[i].start = base; - dev->resource[i].end = dev->resource[i].start + size - 1; - dev->resource[i].flags = IORESOURCE_MEM; - - if (type == PCI_BASE_ADDRESS_MEM_TYPE_64) - { - /* - * 64-bit address, set the highest 32 bits - * to zero. - */ - - reg += 4; - pci_write_config_dword(dev, reg, 0); - - i++; - dev->resource[i].start = 0; - dev->resource[i].end = 0; - dev->resource[i].flags = 0; - } - } - } - - /* - * Enable device: - */ - - if (dev->class >> 8 == PCI_CLASS_NOT_DEFINED || - dev->class >> 8 == PCI_CLASS_NOT_DEFINED_VGA || - dev->class >> 8 == PCI_CLASS_DISPLAY_VGA || - dev->class >> 8 == PCI_CLASS_DISPLAY_XGA) - { - /* - * All of these (may) have I/O scattered all around - * and may not use i/o-base address registers at all. - * So we just have to always enable I/O to these - * devices. - */ - cmd |= PCI_COMMAND_IO; - } - - pci_write_config_word(dev, PCI_COMMAND, cmd | PCI_COMMAND_MASTER); - - pci_write_config_byte(dev, PCI_LATENCY_TIMER, (disable_pci_burst) ? 0 : 32); - - if (bus_info != NULL) - bus_info->conf_device(dev); /* Machine dependent configuration. */ - - DBG_DEVS(("layout_dev: bus %d slot 0x%x VID 0x%x DID 0x%x class 0x%x\n", - dev->bus->number, PCI_SLOT(dev->devfn), dev->vendor, dev->device, dev->class)); -} - -/* - * static void layout_bus(struct pci_bus *bus) - * - * Layout memory and I/O for all devices on the given bus. - * - * Parameters: - * - * bus - bus. - */ - -static void __init layout_bus(struct pci_bus *bus) -{ - unsigned int bio, bmem; - struct pci_dev *dev; - - DBG_DEVS(("layout_bus: starting bus %d\n", bus->number)); - - if (!bus->devices && !bus->children) - return; - - /* - * Align the current bases on appropriate boundaries (4K for - * IO and 1MB for memory). - */ - - bio = io_base = ALIGN(io_base, 4*KB); - bmem = mem_base = ALIGN(mem_base, 1*MB); - - /* - * PCI devices might have been setup by a PCI BIOS emulation - * running under TOS. In these cases there is a - * window during which two devices may have an overlapping - * address range. To avoid this causing trouble, we first - * turn off the I/O and memory address decoders for all PCI - * devices. They'll be re-enabled only once all address - * decoders are programmed consistently. - */ - - DBG_DEVS(("layout_bus: disable_dev for bus %d\n", bus->number)); - - for (dev = bus->devices; dev; dev = dev->sibling) - { - if ((dev->class >> 16 != PCI_BASE_CLASS_BRIDGE) || - (dev->class >> 8 == PCI_CLASS_BRIDGE_PCMCIA)) - disable_dev(dev); - } - - /* - * Allocate space to each device: - */ - - DBG_DEVS(("layout_bus: starting bus %d devices\n", bus->number)); - - for (dev = bus->devices; dev; dev = dev->sibling) - { - if ((dev->class >> 16 != PCI_BASE_CLASS_BRIDGE) || - (dev->class >> 8 == PCI_CLASS_BRIDGE_PCMCIA)) - layout_dev(dev); - } - - DBG_DEVS(("layout_bus: bus %d finished\n", bus->number)); -} - -/* - * static void pcibios_fixup(void) - * - * Layout memory and I/O of all devices on the PCI bus if 'pci_modify' is - * true. This might be necessary because not every m68k machine with a PCI - * bus has a PCI BIOS. This function should be called right after - * pci_scan_bus() in pcibios_init(). - */ - -static void __init pcibios_fixup(void) -{ - if (pci_modify) - { - /* - * Set base addresses for allocation of I/O and memory space. - */ - - io_base = bus_info->io_space.start + IO_ALLOC_OFFSET; - mem_base = bus_info->mem_space.start + MEM_ALLOC_OFFSET; - - /* - * Scan the tree, allocating PCI memory and I/O space. - */ - - layout_bus(pci_bus_b(pci_root.next)); - } - - /* - * Fix interrupt assignments, etc. - */ - - bus_info->fixup(pci_modify); -} - -/* - * static void pcibios_claim_resources(struct pci_bus *bus) - * - * Claim all resources that are assigned to devices on the given bus. - * - * Parameters: - * - * bus - bus. - */ - -static void __init pcibios_claim_resources(struct pci_bus *bus) -{ - struct pci_dev *dev; - int i; - - while (bus) - { - for (dev = bus->devices; (dev != NULL); dev = dev->sibling) - { - for (i = 0; i < PCI_NUM_RESOURCES; i++) - { - struct resource *r = &dev->resource[i]; - struct resource *pr; - struct pci_bus_info *bus_info = (struct pci_bus_info *) dev->sysdata; - - if ((r->start == 0) || (r->parent != NULL)) - continue; -#if 1 - if (r->flags & IORESOURCE_IO) - pr = &bus_info->io_space; - else - pr = &bus_info->mem_space; -#else - if (r->flags & IORESOURCE_IO) - pr = &ioport_resource; - else - pr = &iomem_resource; -#endif - if (request_resource(pr, r) < 0) - { - printk(KERN_ERR "PCI: Address space collision on region %d of device %s\n", i, dev->name); - } - } - } - - if (bus->children) - pcibios_claim_resources(bus->children); - - bus = bus->next; - } -} - -/* - * int pcibios_assign_resource(struct pci_dev *dev, int i) - * - * Assign a new address to a PCI resource. - * - * Parameters: - * - * dev - device. - * i - resource. - * - * Result: 0 if successful. - */ - -int __init pcibios_assign_resource(struct pci_dev *dev, int i) -{ - struct resource *r = &dev->resource[i]; - struct resource *pr = pci_find_parent_resource(dev, r); - unsigned long size = r->end + 1; - - if (!pr) - return -EINVAL; - - if (r->flags & IORESOURCE_IO) - { - if (size > 0x100) - return -EFBIG; - - if (allocate_resource(pr, r, size, bus_info->io_space.start + - IO_ALLOC_OFFSET, bus_info->io_space.end, 1024)) - return -EBUSY; - } - else - { - if (allocate_resource(pr, r, size, bus_info->mem_space.start + - MEM_ALLOC_OFFSET, bus_info->mem_space.end, size)) - return -EBUSY; - } - - if (i < 6) - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0 + 4 * i, r->start); - - return 0; -} - -void __init pcibios_fixup_bus(struct pci_bus *bus) -{ - struct pci_dev *dev; - void *sysdata; - - sysdata = (bus->parent) ? bus->parent->sysdata : bus->sysdata; - - for (dev = bus->devices; (dev != NULL); dev = dev->sibling) - dev->sysdata = sysdata; -} - -void __init pcibios_init(void) -{ - printk("Linux/m68k PCI BIOS32 revision %x.%02x\n", MAJOR_REV, MINOR_REV); - - bus_info = NULL; - -/* Hades code was: - if (MACH_IS_HADES) - bus_info = init_hades_pci(); -*/ - - if (bus_info != NULL) - { - printk("PCI: Probing PCI hardware\n"); - pci_scan_bus(0, bus_info->m68k_pci_ops, bus_info); - pcibios_fixup(); - pcibios_claim_resources(pci_root); - } - else - printk("PCI: No PCI bus detected\n"); -} - -char * __init pcibios_setup(char *str) -{ - if (!strcmp(str, "nomodify")) - { - pci_modify = 0; - return NULL; - } - else if (!strcmp(str, "skipvga")) - { - skip_vga = 1; - return NULL; - } - else if (!strcmp(str, "noburst")) - { - disable_pci_burst = 1; - return NULL; - } - - return str; -} -#endif /* CONFIG_PCI */ diff --git a/include/asm-m68k/dma.h b/include/asm-m68k/dma.h index d0c9e61e57b4..4240fbc946f8 100644 --- a/include/asm-m68k/dma.h +++ b/include/asm-m68k/dma.h @@ -11,10 +11,6 @@ extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ extern void free_dma(unsigned int dmanr); /* release it again */ -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else #define isa_dma_bridge_buggy (0) -#endif #endif /* _M68K_DMA_H */ diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h index 657187f0c7c2..9e673e3bd434 100644 --- a/include/asm-m68k/io.h +++ b/include/asm-m68k/io.h @@ -7,15 +7,12 @@ * - added skeleton for GG-II and Amiga PCMCIA * 2/3/01 RZ: - moved a few more defs into raw_io.h * - * inX/outX/readX/writeX should not be used by any driver unless it does - * ISA or PCI access. Other drivers should use function defined in raw_io.h + * inX/outX should not be used by any driver unless it does + * ISA access. Other drivers should use function defined in raw_io.h * or define its own macros on top of these. * - * inX(),outX() are for PCI and ISA I/O - * readX(),writeX() are for PCI memory + * inX(),outX() are for ISA I/O * isa_readX(),isa_writeX() are for ISA memory - * - * moved mem{cpy,set}_*io inside CONFIG_PCI */ #ifndef _IO_H @@ -256,10 +253,7 @@ static inline void isa_delay(void) (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \ raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1)) -#endif /* CONFIG_ISA */ - -#if defined(CONFIG_ISA) && !defined(CONFIG_PCI) #define inb isa_inb #define inb_p isa_inb_p #define outb isa_outb @@ -282,55 +276,9 @@ static inline void isa_delay(void) #define readw isa_readw #define writeb isa_writeb #define writew isa_writew -#endif /* CONFIG_ISA */ - -#if defined(CONFIG_PCI) - -#define readl(addr) in_le32(addr) -#define writel(val,addr) out_le32((addr),(val)) - -/* those can be defined for both ISA and PCI - it won't work though */ -#define readb(addr) in_8(addr) -#define readw(addr) in_le16(addr) -#define writeb(val,addr) out_8((addr),(val)) -#define writew(val,addr) out_le16((addr),(val)) -#define readb_relaxed(addr) readb(addr) -#define readw_relaxed(addr) readw(addr) -#define readl_relaxed(addr) readl(addr) +#else /* CONFIG_ISA */ -#ifndef CONFIG_ISA -#define inb(port) in_8(port) -#define outb(val,port) out_8((port),(val)) -#define inw(port) in_le16(port) -#define outw(val,port) out_le16((port),(val)) -#define inl(port) in_le32(port) -#define outl(val,port) out_le32((port),(val)) - -#else -/* - * kernel with both ISA and PCI compiled in, those have - * conflicting defs for in/out. Simply consider port < 1024 - * ISA and everything else PCI. read,write not defined - * in this case - */ -#define inb(port) ((port)<1024 ? isa_inb(port) : in_8(port)) -#define inb_p(port) ((port)<1024 ? isa_inb_p(port) : in_8(port)) -#define inw(port) ((port)<1024 ? isa_inw(port) : in_le16(port)) -#define inw_p(port) ((port)<1024 ? isa_inw_p(port) : in_le16(port)) -#define inl(port) ((port)<1024 ? isa_inl(port) : in_le32(port)) -#define inl_p(port) ((port)<1024 ? isa_inl_p(port) : in_le32(port)) - -#define outb(val,port) ((port)<1024 ? isa_outb((val),(port)) : out_8((port),(val))) -#define outb_p(val,port) ((port)<1024 ? isa_outb_p((val),(port)) : out_8((port),(val))) -#define outw(val,port) ((port)<1024 ? isa_outw((val),(port)) : out_le16((port),(val))) -#define outw_p(val,port) ((port)<1024 ? isa_outw_p((val),(port)) : out_le16((port),(val))) -#define outl(val,port) ((port)<1024 ? isa_outl((val),(port)) : out_le32((port),(val))) -#define outl_p(val,port) ((port)<1024 ? isa_outl_p((val),(port)) : out_le32((port),(val))) -#endif -#endif /* CONFIG_PCI */ - -#if !defined(CONFIG_ISA) && !defined(CONFIG_PCI) /* * We need to define dummy functions for GENERIC_IOMAP support. */ @@ -357,11 +305,11 @@ static inline void isa_delay(void) #define writeb(val,addr) out_8((addr),(val)) #define readw(addr) in_le16(addr) #define writew(val,addr) out_le16((addr),(val)) -#endif -#if !defined(CONFIG_PCI) + +#endif /* CONFIG_ISA */ + #define readl(addr) in_le32(addr) #define writel(val,addr) out_le32((addr),(val)) -#endif #define mmiowb() diff --git a/include/asm-m68k/pci.h b/include/asm-m68k/pci.h index d43febbc9c7d..4ad0aea48ab4 100644 --- a/include/asm-m68k/pci.h +++ b/include/asm-m68k/pci.h @@ -1,54 +1,8 @@ #ifndef _ASM_M68K_PCI_H #define _ASM_M68K_PCI_H -/* - * asm-m68k/pci_m68k.h - m68k specific PCI declarations. - * - * Written by Wout Klaren. - */ - -#include #include -struct pci_ops; - -/* - * Structure with hardware dependent information and functions of the - * PCI bus. - */ - -struct pci_bus_info -{ - /* - * Resources of the PCI bus. - */ - - struct resource mem_space; - struct resource io_space; - - /* - * System dependent functions. - */ - - struct pci_ops *m68k_pci_ops; - - void (*fixup)(int pci_modify); - void (*conf_device)(struct pci_dev *dev); -}; - -#define pcibios_assign_all_busses() 0 -#define pcibios_scan_all_fns(a, b) 0 - -static inline void pcibios_set_master(struct pci_dev *dev) -{ - /* No special bus mastering setup handling */ -} - -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - /* The PCI address space does equal the physical memory * address space. The networking and block device layers use * this boolean for bounce buffer decisions. -- GitLab From da9870e477492e0f837aa0cd26b2ac2e372b91d2 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:59:01 +0200 Subject: [PATCH 4740/6244] m68k: init_irq_proc depends on CONFIG_PROC_FS If CONFIG_PROC_FS is not set, I get: | arch/m68k/kernel/ints.c:433: error: redefinition of 'init_irq_proc' | include/linux/interrupt.h:438: error: previous definition of 'init_irq_proc' was here This was introduced by commit 6168a702ab0be181e5e57a0b2d0e7376f7a47f0b ("Declare init_irq_proc before we use it."), which replaced the #ifdef protection of the init_irq_proc() call by a static inline dummy if CONFIG_PROC_FS is not set. Make init_irq_proc() depend on CONFIG_PROC_FS to fix this. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/kernel/ints.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index ded7dd2f67b2..7e8a0d394e61 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -429,8 +429,9 @@ int show_interrupts(struct seq_file *p, void *v) return 0; } +#ifdef CONFIG_PROC_FS void init_irq_proc(void) { /* Insert /proc/irq driver here */ } - +#endif -- GitLab From fff11c0c827c88f1bca0e475fcd4d319ff44c0ac Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:59:02 +0200 Subject: [PATCH 4741/6244] m68k: Atari SCSI needs NVRAM ERROR: "nvram_read_byte" [drivers/scsi/atari_scsi.ko] undefined! ERROR: "nvram_check_checksum" [drivers/scsi/atari_scsi.ko] undefined! Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- drivers/scsi/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 96033ecb675d..403ecad48d4b 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1640,6 +1640,7 @@ config ATARI_SCSI tristate "Atari native SCSI support" depends on ATARI && SCSI select SCSI_SPI_ATTRS + select NVRAM ---help--- If you have an Atari with built-in NCR5380 SCSI controller (TT, Falcon, ...) say Y to get it supported. Of course also, if you have -- GitLab From 56f26f7b78af36d0f048a9403084870d2ffb549f Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 13 Oct 2008 21:59:03 +0200 Subject: [PATCH 4742/6244] net/rfkill/rfkill-input.c needs For some m68k configs, I get: | net/rfkill/rfkill-input.c: In function 'rfkill_start': | net/rfkill/rfkill-input.c:208: error: dereferencing pointer to incomplete type As the incomplete type is `struct task_struct', including fixes it. Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- net/rfkill/rfkill-input.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c index e5b69556bb5b..21124ec0a73d 100644 --- a/net/rfkill/rfkill-input.c +++ b/net/rfkill/rfkill-input.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "rfkill-input.h" -- GitLab From 79aa79bac979323a8cb10438be16d29cf252167d Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 13 Oct 2008 21:59:04 +0200 Subject: [PATCH 4743/6244] arch/m68k/mm/kmap.c: introduce missing kfree Error handling code following a kmalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // @r exists@ local idexpression x; statement S; expression E; identifier f,l; position p1,p2; expression *ptr != NULL; @@ ( if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S | x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); .. if (x == NULL) S ) <... when != x when != if (...) { <+...x...+> } x->f = E ..> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // Signed-off-by: Julia Lawall Signed-off-by: Geert Uytterhoeven Signed-off-by: Linus Torvalds --- arch/m68k/mm/kmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index 46b7d6035aab..df620ac2a296 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -66,8 +66,10 @@ static struct vm_struct *get_io_area(unsigned long size) for (p = &iolist; (tmp = *p) ; p = &tmp->next) { if (size + addr < (unsigned long)tmp->addr) break; - if (addr > KMAP_END-size) + if (addr > KMAP_END-size) { + kfree(area); return NULL; + } addr = tmp->size + (unsigned long)tmp->addr; } area->addr = (void *)addr; -- GitLab From 8dddfe192632361b62eee9c8320bc9feff57898b Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Tue, 14 Oct 2008 20:04:46 +0200 Subject: [PATCH 4744/6244] mmc_block: tell block layer there is no seek penalty Signed-off-by: Pierre Ossman --- drivers/mmc/card/queue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 406989e992ba..7a72e75d5c67 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -132,6 +132,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock blk_queue_prep_rq(mq->queue, mmc_prep_request); blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL); + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); #ifdef CONFIG_MMC_BLOCK_BOUNCE if (host->max_hw_segs == 1) { -- GitLab From da1e90985a0e767e44397c9db0937e236033fa58 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:29 -0700 Subject: [PATCH 4745/6244] ocfs2: Separate out sync reads from ocfs2_read_blocks() The ocfs2_read_blocks() function currently handles sync reads, cached, reads, and sometimes cached reads. We're going to add some functionality to it, so first we should simplify it. The uncached, synchronous reads are much easer to handle as a separate function, so we instroduce ocfs2_read_blocks_sync(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/buffer_head_io.c | 84 ++++++++++++++++++++++++++++++++++++++- fs/ocfs2/buffer_head_io.h | 2 + fs/ocfs2/inode.c | 7 +++- fs/ocfs2/journal.c | 5 +-- fs/ocfs2/resize.c | 8 ++-- 5 files changed, 96 insertions(+), 10 deletions(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index f136639f5b41..ca4ab7ce85bf 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -66,7 +66,7 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, /* remove from dirty list before I/O. */ clear_buffer_dirty(bh); - get_bh(bh); /* for end_buffer_write_sync() */ + get_bh(bh); /* for end_buffer_write_sync() */ bh->b_end_io = end_buffer_write_sync; submit_bh(WRITE, bh); @@ -88,6 +88,88 @@ out: return ret; } +int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, + unsigned int nr, struct buffer_head *bhs[]) +{ + int status = 0; + unsigned int i; + struct buffer_head *bh; + + if (!nr) { + mlog(ML_BH_IO, "No buffers will be read!\n"); + goto bail; + } + + for (i = 0 ; i < nr ; i++) { + if (bhs[i] == NULL) { + bhs[i] = sb_getblk(osb->sb, block++); + if (bhs[i] == NULL) { + status = -EIO; + mlog_errno(status); + goto bail; + } + } + bh = bhs[i]; + + if (buffer_jbd(bh)) { + mlog(ML_ERROR, + "trying to sync read a jbd " + "managed bh (blocknr = %llu), skipping\n", + (unsigned long long)bh->b_blocknr); + continue; + } + + if (buffer_dirty(bh)) { + /* This should probably be a BUG, or + * at least return an error. */ + mlog(ML_ERROR, + "trying to sync read a dirty " + "buffer! (blocknr = %llu), skipping\n", + (unsigned long long)bh->b_blocknr); + continue; + } + + lock_buffer(bh); + if (buffer_jbd(bh)) { + mlog(ML_ERROR, + "block %llu had the JBD bit set " + "while I was in lock_buffer!", + (unsigned long long)bh->b_blocknr); + BUG(); + } + + clear_buffer_uptodate(bh); + get_bh(bh); /* for end_buffer_read_sync() */ + bh->b_end_io = end_buffer_read_sync; + submit_bh(READ, bh); + } + + for (i = nr; i > 0; i--) { + bh = bhs[i - 1]; + + if (buffer_jbd(bh)) { + mlog(ML_ERROR, + "the journal got the buffer while it was " + "locked for io! (blocknr = %llu)\n", + (unsigned long long)bh->b_blocknr); + BUG(); + } + + wait_on_buffer(bh); + if (!buffer_uptodate(bh)) { + /* Status won't be cleared from here on out, + * so we can safely record this and loop back + * to cleanup the other buffers. */ + status = -EIO; + put_bh(bh); + bhs[i - 1] = NULL; + } + } + +bail: + return status; +} + int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr, struct buffer_head *bhs[], int flags, struct inode *inode) diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index c2e78614c3e5..71646b470ac8 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -46,6 +46,8 @@ int ocfs2_read_blocks(struct ocfs2_super *osb, struct buffer_head *bhs[], int flags, struct inode *inode); +int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, + unsigned int nr, struct buffer_head *bhs[]); int ocfs2_write_super_or_backup(struct ocfs2_super *osb, struct buffer_head *bh); diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 05ad1186a167..522297033945 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -460,8 +460,11 @@ static int ocfs2_read_locked_inode(struct inode *inode, } } - status = ocfs2_read_block(osb, args->fi_blkno, &bh, 0, - can_lock ? inode : NULL); + if (can_lock) + status = ocfs2_read_block(osb, args->fi_blkno, &bh, 0, + inode); + else + status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 562ba652593e..10c51b562be8 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -850,9 +850,8 @@ static int ocfs2_force_read_journal(struct inode *inode) /* We are reading journal data which should not * be put in the uptodate cache */ - status = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), - p_blkno, p_blocks, bhs, 0, - NULL); + status = ocfs2_read_blocks_sync(OCFS2_SB(inode->i_sb), + p_blkno, p_blocks, bhs); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 8166968e9015..472d854796c2 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -200,7 +200,7 @@ static int update_backups(struct inode * inode, u32 clusters, char *data) if (cluster > clusters) break; - ret = ocfs2_read_block(osb, blkno, &backup, 0, NULL); + ret = ocfs2_read_blocks_sync(osb, blkno, 1, &backup); if (ret < 0) { mlog_errno(ret); break; @@ -236,8 +236,8 @@ static void ocfs2_update_super_and_backups(struct inode *inode, * update the superblock last. * It doesn't matter if the write failed. */ - ret = ocfs2_read_block(osb, OCFS2_SUPER_BLOCK_BLKNO, - &super_bh, 0, NULL); + ret = ocfs2_read_blocks_sync(osb, OCFS2_SUPER_BLOCK_BLKNO, 1, + &super_bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -540,7 +540,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) goto out_unlock; } - ret = ocfs2_read_block(osb, input->group, &group_bh, 0, NULL); + ret = ocfs2_read_blocks_sync(osb, input->group, 1, &group_bh); if (ret < 0) { mlog(ML_ERROR, "Can't read the group descriptor # %llu " "from the device.", (unsigned long long)input->group); -- GitLab From a468b6484fcd13a24addeb1212538776171b49a6 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Tue, 14 Oct 2008 18:17:53 +0100 Subject: [PATCH 4746/6244] [ARM] 5301/1: ARM: OMAP: Add missing irq defines Some McBSP irq defines were missing that should have been added with the earlier McBSP patches. Add the missing McBSP irqs, and a few other missing irqs as defined in linux-omap tree. Also add a blank line to separate irq defines from the irq line calculations. Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/plat-omap/include/mach/irqs.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/plat-omap/include/mach/irqs.h b/arch/arm/plat-omap/include/mach/irqs.h index 9ee04969d366..ed1c1253b666 100644 --- a/arch/arm/plat-omap/include/mach/irqs.h +++ b/arch/arm/plat-omap/include/mach/irqs.h @@ -266,6 +266,8 @@ #define INT_24XX_GPTIMER11 47 #define INT_24XX_GPTIMER12 48 #define INT_24XX_SHA1MD5 51 +#define INT_24XX_MCBSP4_IRQ_TX 54 +#define INT_24XX_MCBSP4_IRQ_RX 55 #define INT_24XX_I2C1_IRQ 56 #define INT_24XX_I2C2_IRQ 57 #define INT_24XX_HDQ_IRQ 58 @@ -284,7 +286,22 @@ #define INT_24XX_USB_IRQ_HGEN 78 #define INT_24XX_USB_IRQ_HSOF 79 #define INT_24XX_USB_IRQ_OTG 80 +#define INT_24XX_MCBSP5_IRQ_TX 81 +#define INT_24XX_MCBSP5_IRQ_RX 82 #define INT_24XX_MMC_IRQ 83 +#define INT_24XX_MMC2_IRQ 86 +#define INT_24XX_MCBSP3_IRQ_TX 89 +#define INT_24XX_MCBSP3_IRQ_RX 90 +#define INT_24XX_SPI3_IRQ 91 + +#define INT_243X_MCBSP2_IRQ 16 +#define INT_243X_MCBSP3_IRQ 17 +#define INT_243X_MCBSP4_IRQ 18 +#define INT_243X_MCBSP5_IRQ 19 +#define INT_243X_MCBSP1_IRQ 64 +#define INT_243X_HS_USB_MC 92 +#define INT_243X_HS_USB_DMA 93 +#define INT_243X_CARKIT_IRQ 94 #define INT_34XX_BENCH_MPU_EMUL 3 #define INT_34XX_ST_MCBSP2_IRQ 4 @@ -321,6 +338,7 @@ #define INT_34XX_PARTHASH_IRQ 79 #define INT_34XX_MMC3_IRQ 94 #define INT_34XX_GPT12_IRQ 95 + /* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730) and * 16 MPUIO lines */ #define OMAP_MAX_GPIO_LINES 192 -- GitLab From 31d33073ca38603dea705dae45e094a64ca062d6 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:30 -0700 Subject: [PATCH 4747/6244] ocfs2: Require an inode for ocfs2_read_block(s)(). Now that synchronous readers are using ocfs2_read_blocks_sync(), all callers of ocfs2_read_blocks() are passing an inode. Use it unconditionally. Since it's there, we don't need to pass the ocfs2_super either. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 30 ++++++++-------- fs/ocfs2/aops.c | 10 +++--- fs/ocfs2/buffer_head_io.c | 35 +++++++----------- fs/ocfs2/buffer_head_io.h | 18 ++++------ fs/ocfs2/dir.c | 12 +++---- fs/ocfs2/dlmglue.c | 9 +++-- fs/ocfs2/extent_map.c | 12 +++---- fs/ocfs2/file.c | 12 +++---- fs/ocfs2/inode.c | 6 ++-- fs/ocfs2/journal.c | 2 +- fs/ocfs2/localalloc.c | 8 ++--- fs/ocfs2/namei.c | 5 ++- fs/ocfs2/resize.c | 4 +-- fs/ocfs2/slot_map.c | 5 ++- fs/ocfs2/suballoc.c | 17 +++++---- fs/ocfs2/symlink.c | 5 ++- fs/ocfs2/xattr.c | 74 ++++++++++++++++++--------------------- 17 files changed, 116 insertions(+), 148 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 052c4cf7db95..a164e09491f8 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -705,8 +705,8 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, last_eb_blk = ocfs2_et_get_last_eb_blk(et); if (last_eb_blk) { - retval = ocfs2_read_block(osb, last_eb_blk, - &eb_bh, OCFS2_BH_CACHED, inode); + retval = ocfs2_read_block(inode, last_eb_blk, + &eb_bh, OCFS2_BH_CACHED); if (retval < 0) { mlog_errno(retval); goto bail; @@ -1176,8 +1176,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, brelse(bh); bh = NULL; - status = ocfs2_read_block(osb, blkno, &bh, OCFS2_BH_CACHED, - inode); + status = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; @@ -1541,8 +1540,7 @@ static int __ocfs2_find_path(struct inode *inode, brelse(bh); bh = NULL; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, - &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -4296,9 +4294,9 @@ static int ocfs2_figure_insert_type(struct inode *inode, * ocfs2_figure_insert_type() and ocfs2_add_branch() * may want it later. */ - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), &bh, - OCFS2_BH_CACHED, inode); + OCFS2_BH_CACHED); if (ret) { mlog_exit(ret); goto out; @@ -4764,9 +4762,9 @@ static int __ocfs2_mark_extent_written(struct inode *inode, if (path->p_tree_depth) { struct ocfs2_extent_block *eb; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh, OCFS2_BH_CACHED, inode); + &last_eb_bh, OCFS2_BH_CACHED); if (ret) { mlog_exit(ret); goto out; @@ -4923,9 +4921,9 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, depth = path->p_tree_depth; if (depth > 0) { - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh, OCFS2_BH_CACHED, inode); + &last_eb_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); goto out; @@ -5592,8 +5590,8 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb, goto bail; } - status = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, &bh, - OCFS2_BH_CACHED, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh, + OCFS2_BH_CACHED); if (status < 0) { iput(inode); mlog_errno(status); @@ -6991,8 +6989,8 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb, ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc); if (fe->id2.i_list.l_tree_depth) { - status = ocfs2_read_block(osb, le64_to_cpu(fe->i_last_eb_blk), - &last_eb_bh, OCFS2_BH_CACHED, inode); + status = ocfs2_read_block(inode, le64_to_cpu(fe->i_last_eb_blk), + &last_eb_bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 98e16fb49e4b..f232a0e3c30f 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -68,9 +68,8 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, goto bail; } - status = ocfs2_read_block(OCFS2_SB(inode->i_sb), - OCFS2_I(inode)->ip_blkno, - &bh, OCFS2_BH_CACHED, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; @@ -260,13 +259,12 @@ static int ocfs2_readpage_inline(struct inode *inode, struct page *page) { int ret; struct buffer_head *di_bh = NULL; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); BUG_ON(!PageLocked(page)); BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)); - ret = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, &di_bh, - OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh, + OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index ca4ab7ce85bf..718dbe5607ca 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -170,22 +170,20 @@ bail: return status; } -int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr, - struct buffer_head *bhs[], int flags, - struct inode *inode) +int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, + struct buffer_head *bhs[], int flags) { int status = 0; - struct super_block *sb; int i, ignore_cache = 0; struct buffer_head *bh; - mlog_entry("(block=(%llu), nr=(%d), flags=%d, inode=%p)\n", - (unsigned long long)block, nr, flags, inode); + mlog_entry("(inode=%p, block=(%llu), nr=(%d), flags=%d)\n", + inode, (unsigned long long)block, nr, flags); - BUG_ON((flags & OCFS2_BH_READAHEAD) && - (!inode || !(flags & OCFS2_BH_CACHED))); + BUG_ON(!inode); + BUG_ON((flags & OCFS2_BH_READAHEAD) && !(flags & OCFS2_BH_CACHED)); - if (osb == NULL || osb->sb == NULL || bhs == NULL) { + if (bhs == NULL) { status = -EINVAL; mlog_errno(status); goto bail; @@ -204,19 +202,12 @@ int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr, goto bail; } - sb = osb->sb; - - if (flags & OCFS2_BH_CACHED && !inode) - flags &= ~OCFS2_BH_CACHED; - - if (inode) - mutex_lock(&OCFS2_I(inode)->ip_io_mutex); + mutex_lock(&OCFS2_I(inode)->ip_io_mutex); for (i = 0 ; i < nr ; i++) { if (bhs[i] == NULL) { - bhs[i] = sb_getblk(sb, block++); + bhs[i] = sb_getblk(inode->i_sb, block++); if (bhs[i] == NULL) { - if (inode) - mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); + mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); status = -EIO; mlog_errno(status); goto bail; @@ -347,11 +338,9 @@ int ocfs2_read_blocks(struct ocfs2_super *osb, u64 block, int nr, /* Always set the buffer in the cache, even if it was * a forced read, or read-ahead which hasn't yet * completed. */ - if (inode) - ocfs2_set_buffer_uptodate(inode, bh); + ocfs2_set_buffer_uptodate(inode, bh); } - if (inode) - mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); + mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); mlog(ML_BH_IO, "block=(%llu), nr=(%d), cached=%s, flags=0x%x\n", (unsigned long long)block, nr, diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index 71646b470ac8..fd0d774ac356 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -31,21 +31,19 @@ void ocfs2_end_buffer_io_sync(struct buffer_head *bh, int uptodate); -static inline int ocfs2_read_block(struct ocfs2_super *osb, +static inline int ocfs2_read_block(struct inode *inode, u64 off, struct buffer_head **bh, - int flags, - struct inode *inode); + int flags); int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, struct inode *inode); -int ocfs2_read_blocks(struct ocfs2_super *osb, +int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, struct buffer_head *bhs[], - int flags, - struct inode *inode); + int flags); int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, unsigned int nr, struct buffer_head *bhs[]); @@ -55,9 +53,8 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, #define OCFS2_BH_CACHED 1 #define OCFS2_BH_READAHEAD 8 -static inline int ocfs2_read_block(struct ocfs2_super * osb, u64 off, - struct buffer_head **bh, int flags, - struct inode *inode) +static inline int ocfs2_read_block(struct inode *inode, u64 off, + struct buffer_head **bh, int flags) { int status = 0; @@ -67,8 +64,7 @@ static inline int ocfs2_read_block(struct ocfs2_super * osb, u64 off, goto bail; } - status = ocfs2_read_blocks(osb, off, 1, bh, - flags, inode); + status = ocfs2_read_blocks(inode, off, 1, bh, flags); bail: return status; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 3614651dcdb2..828437ca91ba 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -188,8 +188,8 @@ static struct buffer_head *ocfs2_find_entry_id(const char *name, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(OCFS2_SB(dir->i_sb), OCFS2_I(dir)->ip_blkno, - &di_bh, OCFS2_BH_CACHED, dir); + ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh, + OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -417,8 +417,8 @@ static inline int ocfs2_delete_entry_id(handle_t *handle, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(OCFS2_SB(dir->i_sb), OCFS2_I(dir)->ip_blkno, - &di_bh, OCFS2_BH_CACHED, dir); + ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, + &di_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -596,8 +596,8 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, struct ocfs2_inline_data *data; struct ocfs2_dir_entry *de; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), OCFS2_I(inode)->ip_blkno, - &di_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &di_bh, OCFS2_BH_CACHED); if (ret) { mlog(ML_ERROR, "Unable to read inode block for dir %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index eae3d643a5e4..3b2cd0f87210 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2024,8 +2024,8 @@ static int ocfs2_inode_lock_update(struct inode *inode, } else { /* Boo, we have to go to disk. */ /* read bh, cast, ocfs2_refresh_inode */ - status = ocfs2_read_block(OCFS2_SB(inode->i_sb), oi->ip_blkno, - bh, OCFS2_BH_CACHED, inode); + status = ocfs2_read_block(inode, oi->ip_blkno, + bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail_refresh; @@ -2086,11 +2086,10 @@ static int ocfs2_assign_bh(struct inode *inode, return 0; } - status = ocfs2_read_block(OCFS2_SB(inode->i_sb), + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, ret_bh, - OCFS2_BH_CACHED, - inode); + OCFS2_BH_CACHED); if (status < 0) mlog_errno(status); diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index a7b1cfa735bf..5b482214bb75 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -293,8 +293,8 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), last_eb_blk, - &eb_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, last_eb_blk, + &eb_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -382,9 +382,9 @@ static int ocfs2_figure_hole_clusters(struct inode *inode, if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) goto no_more_extents; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, le64_to_cpu(eb->h_next_leaf_blk), - &next_eb_bh, OCFS2_BH_CACHED, inode); + &next_eb_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -631,8 +631,8 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, if (ret == 0) goto out; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), OCFS2_I(inode)->ip_blkno, - &di_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &di_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 408d5a66591d..7a809be54e84 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -545,8 +545,8 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, */ BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb)); - status = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, &bh, - OCFS2_BH_CACHED, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh, + OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto leave; @@ -1132,8 +1132,7 @@ static int ocfs2_write_remove_suid(struct inode *inode) struct buffer_head *bh = NULL; struct ocfs2_inode_info *oi = OCFS2_I(inode); - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - oi->ip_blkno, &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, oi->ip_blkno, &bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); goto out; @@ -1159,9 +1158,8 @@ static int ocfs2_allocate_unwritten_extents(struct inode *inode, struct buffer_head *di_bh = NULL; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), - OCFS2_I(inode)->ip_blkno, &di_bh, - OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &di_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 522297033945..6ec31b92a47f 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -461,8 +461,7 @@ static int ocfs2_read_locked_inode(struct inode *inode, } if (can_lock) - status = ocfs2_read_block(osb, args->fi_blkno, &bh, 0, - inode); + status = ocfs2_read_block(inode, args->fi_blkno, &bh, 0); else status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); if (status < 0) { @@ -1166,8 +1165,7 @@ struct buffer_head *ocfs2_bread(struct inode *inode, goto fail; } - tmperr = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, &bh, - readflags, inode); + tmperr = ocfs2_read_block(inode, p_blkno, &bh, readflags); if (tmperr < 0) goto fail; diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 10c51b562be8..9854fb7315b6 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -1134,7 +1134,7 @@ static int ocfs2_read_journal_inode(struct ocfs2_super *osb, } SET_INODE_JOURNAL(inode); - status = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, bh, 0, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 1c4f0645fb37..b77b67bb2776 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -248,8 +248,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) goto bail; } - status = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, - &alloc_bh, 0, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &alloc_bh, 0); if (status < 0) { mlog_errno(status); goto bail; @@ -459,8 +459,8 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, mutex_lock(&inode->i_mutex); - status = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, - &alloc_bh, 0, inode); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, + &alloc_bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 7d0dd5c95eb3..e5fc9345dd36 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1752,10 +1752,9 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - status = ocfs2_read_block(osb, + status = ocfs2_read_block(orphan_dir_inode, OCFS2_I(orphan_dir_inode)->ip_blkno, - &orphan_dir_bh, OCFS2_BH_CACHED, - orphan_dir_inode); + &orphan_dir_bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto leave; diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 472d854796c2..92dcd9350560 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -332,8 +332,8 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); - ret = ocfs2_read_block(osb, lgd_blkno, &group_bh, OCFS2_BH_CACHED, - main_bm_inode); + ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh, + OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); goto out_unlock; diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index bb5ff8939bf1..82d986bff7fe 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -150,8 +150,7 @@ int ocfs2_refresh_slot_info(struct ocfs2_super *osb) * be !NULL. Thus, ocfs2_read_blocks() will ignore blocknr. If * this is not true, the read of -1 (UINT64_MAX) will fail. */ - ret = ocfs2_read_blocks(osb, -1, si->si_blocks, si->si_bh, 0, - si->si_inode); + ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, 0); if (ret == 0) { spin_lock(&osb->osb_lock); ocfs2_update_slot_info(si); @@ -404,7 +403,7 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, (unsigned long long)blkno); bh = NULL; /* Acquire a fresh bh */ - status = ocfs2_read_block(osb, blkno, &bh, 0, si->si_inode); + status = ocfs2_read_block(si->si_inode, blkno, &bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 08d8844a3c2d..f0056b7d4353 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1172,8 +1172,8 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, struct ocfs2_group_desc *gd; struct inode *alloc_inode = ac->ac_inode; - ret = ocfs2_read_block(OCFS2_SB(alloc_inode->i_sb), gd_blkno, - &group_bh, OCFS2_BH_CACHED, alloc_inode); + ret = ocfs2_read_block(alloc_inode, gd_blkno, + &group_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); return ret; @@ -1242,9 +1242,9 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, bits_wanted, chain, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno); - status = ocfs2_read_block(OCFS2_SB(alloc_inode->i_sb), + status = ocfs2_read_block(alloc_inode, le64_to_cpu(cl->cl_recs[chain].c_blkno), - &group_bh, OCFS2_BH_CACHED, alloc_inode); + &group_bh, OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; @@ -1272,9 +1272,9 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, next_group = le64_to_cpu(bg->bg_next_group); prev_group_bh = group_bh; group_bh = NULL; - status = ocfs2_read_block(OCFS2_SB(alloc_inode->i_sb), + status = ocfs2_read_block(alloc_inode, next_group, &group_bh, - OCFS2_BH_CACHED, alloc_inode); + OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; @@ -1777,7 +1777,6 @@ int ocfs2_free_suballoc_bits(handle_t *handle, { int status = 0; u32 tmp_used; - struct ocfs2_super *osb = OCFS2_SB(alloc_inode->i_sb); struct ocfs2_dinode *fe = (struct ocfs2_dinode *) alloc_bh->b_data; struct ocfs2_chain_list *cl = &fe->id2.i_chain; struct buffer_head *group_bh = NULL; @@ -1796,8 +1795,8 @@ int ocfs2_free_suballoc_bits(handle_t *handle, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno, count, (unsigned long long)bg_blkno, start_bit); - status = ocfs2_read_block(osb, bg_blkno, &group_bh, OCFS2_BH_CACHED, - alloc_inode); + status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh, + OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index c6c94b55774f..8788dc26316d 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -84,11 +84,10 @@ static char *ocfs2_fast_symlink_getlink(struct inode *inode, mlog_entry_void(); - status = ocfs2_read_block(OCFS2_SB(inode->i_sb), + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh, - OCFS2_BH_CACHED, - inode); + OCFS2_BH_CACHED); if (status < 0) { mlog_errno(status); link = ERR_PTR(status); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 8f522f2f84a5..63037bd7892f 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -537,9 +537,9 @@ static int ocfs2_xattr_block_list(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED, inode); + &blk_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); return ret; @@ -672,8 +672,8 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); /* Copy ocfs2_xattr_value */ for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, - &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, blkno, + &bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -764,9 +764,9 @@ static int ocfs2_xattr_block_get(struct inode *inode, memset(&xs->bucket, 0, sizeof(xs->bucket)); - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED, inode); + &blk_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); return ret; @@ -922,8 +922,8 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, - &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, blkno, + &bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out_commit; @@ -1514,8 +1514,8 @@ static int ocfs2_xattr_free_block(struct inode *inode, u64 blk, bg_blkno; u16 bit; - ret = ocfs2_read_block(osb, block, &blk_bh, - OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, block, &blk_bh, + OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); goto out; @@ -1773,9 +1773,9 @@ static int ocfs2_xattr_block_find(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED, inode); + &blk_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); return ret; @@ -2216,9 +2216,9 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, break; } - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_block(inode, header_bh->b_blocknr + block_off, - &name_bh, OCFS2_BH_CACHED, inode); + &name_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); break; @@ -2269,8 +2269,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, u32 last_hash; u64 blkno; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), p_blkno, - &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, p_blkno, &bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -2286,8 +2285,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, blkno = p_blkno + bucket * blk_per_bucket; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), blkno, - &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -2359,10 +2357,9 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * If we have found the xattr enty, read all the blocks in * this bucket. */ - ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), - xs->bucket.bhs[0]->b_blocknr + 1, + ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED, inode); + OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -2438,9 +2435,8 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, clusters, blkno); for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { - ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), - blkno, blk_per_bucket, - bucket.bhs, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, + bucket.bhs, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -2705,10 +2701,10 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, if (!xs->not_found) { if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { - ret = ocfs2_read_blocks(OCFS2_SB(inode->i_sb), + ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED, inode); + OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); return ret; @@ -2913,8 +2909,8 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, if (!bhs) return -ENOMEM; - ret = ocfs2_read_blocks(osb, blkno, blk_per_bucket, bhs, - OCFS2_BH_CACHED, inode); + ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, + OCFS2_BH_CACHED); if (ret) goto out; @@ -3114,8 +3110,8 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, goto out; } - ret = ocfs2_read_block(osb, prev_blkno, - &old_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, prev_blkno, + &old_bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); brelse(new_bh); @@ -3168,9 +3164,9 @@ static int ocfs2_read_xattr_bucket(struct inode *inode, u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); if (!new) - return ocfs2_read_blocks(OCFS2_SB(inode->i_sb), blkno, + return ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, - OCFS2_BH_CACHED, inode); + OCFS2_BH_CACHED); for (i = 0; i < blk_per_bucket; i++) { bhs[i] = sb_getblk(inode->i_sb, blkno + i); @@ -3485,7 +3481,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, ocfs2_journal_dirty(handle, first_bh); /* update the new bucket header. */ - ret = ocfs2_read_block(osb, to_blk_start, &bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, to_blk_start, &bh, OCFS2_BH_CACHED); if (ret < 0) { mlog_errno(ret); goto out; @@ -3872,8 +3868,8 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_block(osb, p_blkno, - &first_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, p_blkno, + &first_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -4115,10 +4111,10 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, (unsigned long long)xs->bucket.bhs[0]->b_blocknr); if (!xs->bucket.bhs[1]) { - ret = ocfs2_read_blocks(osb, + ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED, inode); + OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; @@ -4224,8 +4220,8 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); value_blk += header_bh->b_blocknr; - ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), value_blk, - &value_bh, OCFS2_BH_CACHED, inode); + ret = ocfs2_read_block(inode, value_blk, + &value_bh, OCFS2_BH_CACHED); if (ret) { mlog_errno(ret); goto out; -- GitLab From 0fcaa56a2a020dd6f90c202b7084e6f4cbedb6c2 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:31 -0700 Subject: [PATCH 4748/6244] ocfs2: Simplify ocfs2_read_block() More than 30 callers of ocfs2_read_block() pass exactly OCFS2_BH_CACHED. Only six pass a different flag set. Rather than have every caller care, let's make ocfs2_read_block() take no flags and always do a cached read. The remaining six places can call ocfs2_read_blocks() directly. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 25 ++++++++++------------- fs/ocfs2/aops.c | 6 ++---- fs/ocfs2/buffer_head_io.h | 7 +++---- fs/ocfs2/dir.c | 9 +++------ fs/ocfs2/dlmglue.c | 8 ++------ fs/ocfs2/extent_map.c | 8 +++----- fs/ocfs2/file.c | 7 +++---- fs/ocfs2/inode.c | 4 ++-- fs/ocfs2/journal.c | 2 +- fs/ocfs2/localalloc.c | 8 ++++---- fs/ocfs2/namei.c | 2 +- fs/ocfs2/resize.c | 3 +-- fs/ocfs2/slot_map.c | 2 +- fs/ocfs2/suballoc.c | 11 ++++------ fs/ocfs2/symlink.c | 5 +---- fs/ocfs2/xattr.c | 42 +++++++++++++-------------------------- 16 files changed, 55 insertions(+), 94 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index a164e09491f8..0cc2deb9394c 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -706,7 +706,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, if (last_eb_blk) { retval = ocfs2_read_block(inode, last_eb_blk, - &eb_bh, OCFS2_BH_CACHED); + &eb_bh); if (retval < 0) { mlog_errno(retval); goto bail; @@ -1176,7 +1176,7 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, brelse(bh); bh = NULL; - status = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, blkno, &bh); if (status < 0) { mlog_errno(status); goto bail; @@ -1540,7 +1540,7 @@ static int __ocfs2_find_path(struct inode *inode, brelse(bh); bh = NULL; - ret = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -4294,9 +4294,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * ocfs2_figure_insert_type() and ocfs2_add_branch() * may want it later. */ - ret = ocfs2_read_block(inode, - ocfs2_et_get_last_eb_blk(et), &bh, - OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), &bh); if (ret) { mlog_exit(ret); goto out; @@ -4762,9 +4760,8 @@ static int __ocfs2_mark_extent_written(struct inode *inode, if (path->p_tree_depth) { struct ocfs2_extent_block *eb; - ret = ocfs2_read_block(inode, - ocfs2_et_get_last_eb_blk(et), - &last_eb_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret) { mlog_exit(ret); goto out; @@ -4921,9 +4918,8 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, depth = path->p_tree_depth; if (depth > 0) { - ret = ocfs2_read_block(inode, - ocfs2_et_get_last_eb_blk(et), - &last_eb_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -5590,8 +5586,7 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh, - OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); if (status < 0) { iput(inode); mlog_errno(status); @@ -6990,7 +6985,7 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb, if (fe->id2.i_list.l_tree_depth) { status = ocfs2_read_block(inode, le64_to_cpu(fe->i_last_eb_blk), - &last_eb_bh, OCFS2_BH_CACHED); + &last_eb_bh); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index f232a0e3c30f..c22543b33420 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -68,8 +68,7 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &bh, OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); if (status < 0) { mlog_errno(status); goto bail; @@ -263,8 +262,7 @@ static int ocfs2_readpage_inline(struct inode *inode, struct page *page) BUG_ON(!PageLocked(page)); BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)); - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh, - OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index fd0d774ac356..a2ef9e5f8bfe 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -33,8 +33,7 @@ void ocfs2_end_buffer_io_sync(struct buffer_head *bh, static inline int ocfs2_read_block(struct inode *inode, u64 off, - struct buffer_head **bh, - int flags); + struct buffer_head **bh); int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, @@ -54,7 +53,7 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, #define OCFS2_BH_READAHEAD 8 static inline int ocfs2_read_block(struct inode *inode, u64 off, - struct buffer_head **bh, int flags) + struct buffer_head **bh) { int status = 0; @@ -64,7 +63,7 @@ static inline int ocfs2_read_block(struct inode *inode, u64 off, goto bail; } - status = ocfs2_read_blocks(inode, off, 1, bh, flags); + status = ocfs2_read_blocks(inode, off, 1, bh, OCFS2_BH_CACHED); bail: return status; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 828437ca91ba..459e6b8467dc 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -188,8 +188,7 @@ static struct buffer_head *ocfs2_find_entry_id(const char *name, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh, - OCFS2_BH_CACHED); + ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -417,8 +416,7 @@ static inline int ocfs2_delete_entry_id(handle_t *handle, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, - &di_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -596,8 +594,7 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, struct ocfs2_inline_data *data; struct ocfs2_dir_entry *de; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &di_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); if (ret) { mlog(ML_ERROR, "Unable to read inode block for dir %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 3b2cd0f87210..ec684426034b 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2024,8 +2024,7 @@ static int ocfs2_inode_lock_update(struct inode *inode, } else { /* Boo, we have to go to disk. */ /* read bh, cast, ocfs2_refresh_inode */ - status = ocfs2_read_block(inode, oi->ip_blkno, - bh, OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, oi->ip_blkno, bh); if (status < 0) { mlog_errno(status); goto bail_refresh; @@ -2086,10 +2085,7 @@ static int ocfs2_assign_bh(struct inode *inode, return 0; } - status = ocfs2_read_block(inode, - OCFS2_I(inode)->ip_blkno, - ret_bh, - OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, ret_bh); if (status < 0) mlog_errno(status); diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 5b482214bb75..2baedac58234 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -293,8 +293,7 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; - ret = ocfs2_read_block(inode, last_eb_blk, - &eb_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, last_eb_blk, &eb_bh); if (ret) { mlog_errno(ret); goto out; @@ -384,7 +383,7 @@ static int ocfs2_figure_hole_clusters(struct inode *inode, ret = ocfs2_read_block(inode, le64_to_cpu(eb->h_next_leaf_blk), - &next_eb_bh, OCFS2_BH_CACHED); + &next_eb_bh); if (ret) { mlog_errno(ret); goto out; @@ -631,8 +630,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, if (ret == 0) goto out; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &di_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 7a809be54e84..8d3225a78073 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -545,8 +545,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, */ BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb)); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh, - OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); if (status < 0) { mlog_errno(status); goto leave; @@ -1132,7 +1131,7 @@ static int ocfs2_write_remove_suid(struct inode *inode) struct buffer_head *bh = NULL; struct ocfs2_inode_info *oi = OCFS2_I(inode); - ret = ocfs2_read_block(inode, oi->ip_blkno, &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, oi->ip_blkno, &bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -1159,7 +1158,7 @@ static int ocfs2_allocate_unwritten_extents(struct inode *inode, if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &di_bh, OCFS2_BH_CACHED); + &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 6ec31b92a47f..c5ee9e3cf80b 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -461,7 +461,7 @@ static int ocfs2_read_locked_inode(struct inode *inode, } if (can_lock) - status = ocfs2_read_block(inode, args->fi_blkno, &bh, 0); + status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh, 0); else status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); if (status < 0) { @@ -1165,7 +1165,7 @@ struct buffer_head *ocfs2_bread(struct inode *inode, goto fail; } - tmperr = ocfs2_read_block(inode, p_blkno, &bh, readflags); + tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); if (tmperr < 0) goto fail; diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 9854fb7315b6..d161fe5e3bde 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -1134,7 +1134,7 @@ static int ocfs2_read_journal_inode(struct ocfs2_super *osb, } SET_INODE_JOURNAL(inode); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh, 0); + status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index b77b67bb2776..3ea740d15feb 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -248,8 +248,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &alloc_bh, 0); + status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, + &alloc_bh, 0); if (status < 0) { mlog_errno(status); goto bail; @@ -459,8 +459,8 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, mutex_lock(&inode->i_mutex); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &alloc_bh, 0); + status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, + &alloc_bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index e5fc9345dd36..485a6aa0ad39 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1754,7 +1754,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, status = ocfs2_read_block(orphan_dir_inode, OCFS2_I(orphan_dir_inode)->ip_blkno, - &orphan_dir_bh, OCFS2_BH_CACHED); + &orphan_dir_bh); if (status < 0) { mlog_errno(status); goto leave; diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 92dcd9350560..ffd48db229a7 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -332,8 +332,7 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); - ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh, - OCFS2_BH_CACHED); + ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh); if (ret < 0) { mlog_errno(ret); goto out_unlock; diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index 82d986bff7fe..357d3fe18c3f 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -403,7 +403,7 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, (unsigned long long)blkno); bh = NULL; /* Acquire a fresh bh */ - status = ocfs2_read_block(si->si_inode, blkno, &bh, 0); + status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, 0); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index f0056b7d4353..c5ff18b46b57 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1172,8 +1172,7 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, struct ocfs2_group_desc *gd; struct inode *alloc_inode = ac->ac_inode; - ret = ocfs2_read_block(alloc_inode, gd_blkno, - &group_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(alloc_inode, gd_blkno, &group_bh); if (ret < 0) { mlog_errno(ret); return ret; @@ -1244,7 +1243,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, status = ocfs2_read_block(alloc_inode, le64_to_cpu(cl->cl_recs[chain].c_blkno), - &group_bh, OCFS2_BH_CACHED); + &group_bh); if (status < 0) { mlog_errno(status); goto bail; @@ -1273,8 +1272,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, prev_group_bh = group_bh; group_bh = NULL; status = ocfs2_read_block(alloc_inode, - next_group, &group_bh, - OCFS2_BH_CACHED); + next_group, &group_bh); if (status < 0) { mlog_errno(status); goto bail; @@ -1795,8 +1793,7 @@ int ocfs2_free_suballoc_bits(handle_t *handle, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno, count, (unsigned long long)bg_blkno, start_bit); - status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh, - OCFS2_BH_CACHED); + status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index 8788dc26316d..cbd03dfdc7b9 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -84,10 +84,7 @@ static char *ocfs2_fast_symlink_getlink(struct inode *inode, mlog_entry_void(); - status = ocfs2_read_block(inode, - OCFS2_I(inode)->ip_blkno, - bh, - OCFS2_BH_CACHED); + status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh); if (status < 0) { mlog_errno(status); link = ERR_PTR(status); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 63037bd7892f..c25780a70dfd 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -537,9 +537,7 @@ static int ocfs2_xattr_block_list(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, - le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; @@ -672,8 +670,7 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); /* Copy ocfs2_xattr_value */ for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, - &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -764,9 +761,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, memset(&xs->bucket, 0, sizeof(xs->bucket)); - ret = ocfs2_read_block(inode, - le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; @@ -922,8 +917,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, - &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out_commit; @@ -1514,8 +1508,7 @@ static int ocfs2_xattr_free_block(struct inode *inode, u64 blk, bg_blkno; u16 bit; - ret = ocfs2_read_block(inode, block, &blk_bh, - OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, block, &blk_bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -1773,9 +1766,7 @@ static int ocfs2_xattr_block_find(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, - le64_to_cpu(di->i_xattr_loc), - &blk_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; @@ -2216,9 +2207,8 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, break; } - ret = ocfs2_read_block(inode, - header_bh->b_blocknr + block_off, - &name_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, header_bh->b_blocknr + block_off, + &name_bh); if (ret) { mlog_errno(ret); break; @@ -2269,7 +2259,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, u32 last_hash; u64 blkno; - ret = ocfs2_read_block(inode, p_blkno, &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, p_blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -2285,7 +2275,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, blkno = p_blkno + bucket * blk_per_bucket; - ret = ocfs2_read_block(inode, blkno, &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -2898,7 +2888,6 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, u64 blkno = bucket->bhs[0]->b_blocknr; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 xh_free_start; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); size_t blocksize = inode->i_sb->s_blocksize; handle_t *handle; struct buffer_head **bhs; @@ -3110,8 +3099,7 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, prev_blkno, - &old_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, prev_blkno, &old_bh); if (ret < 0) { mlog_errno(ret); brelse(new_bh); @@ -3481,7 +3469,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, ocfs2_journal_dirty(handle, first_bh); /* update the new bucket header. */ - ret = ocfs2_read_block(inode, to_blk_start, &bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, to_blk_start, &bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -3868,8 +3856,7 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, p_blkno, - &first_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, p_blkno, &first_bh); if (ret) { mlog_errno(ret); goto out; @@ -4220,8 +4207,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); value_blk += header_bh->b_blocknr; - ret = ocfs2_read_block(inode, value_blk, - &value_bh, OCFS2_BH_CACHED); + ret = ocfs2_read_block(inode, value_blk, &value_bh); if (ret) { mlog_errno(ret); goto out; -- GitLab From 38f7ac3eb7206ffd1201c14baba832d7e363de0a Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 14 Oct 2008 11:56:59 -0700 Subject: [PATCH 4749/6244] netfilter: restore lost #ifdef guarding defrag exception Nir Tzachar reported a warning when sending fragments over loopback with NAT: [ 6658.338121] WARNING: at net/ipv4/netfilter/nf_nat_standalone.c:89 nf_nat_fn+0x33/0x155() The reason is that defragmentation is skipped for already tracked connections. This is wrong in combination with NAT and ip_conntrack actually had some ifdefs to avoid this behaviour when NAT is compiled in. The entire "optimization" may seem a bit silly, for now simply restoring the lost #ifdef is the easiest solution until we can come up with something better. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/ipv4/netfilter/nf_defrag_ipv4.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c index aa2c50a180f7..fa2d6b6fc3e5 100644 --- a/net/ipv4/netfilter/nf_defrag_ipv4.c +++ b/net/ipv4/netfilter/nf_defrag_ipv4.c @@ -41,12 +41,13 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum, int (*okfn)(struct sk_buff *)) { #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) +#if !defined(CONFIG_NF_NAT) && !defined(CONFIG_NF_NAT_MODULE) /* Previously seen (loopback)? Ignore. Do this before fragment check. */ if (skb->nfct) return NF_ACCEPT; #endif - +#endif /* Gather fragments. */ if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) { if (nf_ct_ipv4_gather_frags(skb, -- GitLab From 129404a1f117c35c6224e020444fc27eb4479817 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 14 Oct 2008 11:57:33 -0700 Subject: [PATCH 4750/6244] netfilter: fix ebtables dependencies Ingo Molnar reported a build error with ebtables: ERROR: "ebt_register_table" [net/bridge/netfilter/ebtable_filter.ko] undefined! ERROR: "ebt_do_table" [net/bridge/netfilter/ebtable_filter.ko] undefined! ERROR: "ebt_unregister_table" [net/bridge/netfilter/ebtable_filter.ko] undefined! ERROR: "ebt_register_table" [net/bridge/netfilter/ebtable_broute.ko] undefined! ERROR: "ebt_do_table" [net/bridge/netfilter/ebtable_broute.ko] undefined! ERROR: "ebt_unregister_table" [net/bridge/netfilter/ebtable_broute.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 This reason is a missing dependencies that got lost during Kconfig cleanups. Restore it. Tested-by: Ingo Molnar Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/bridge/netfilter/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig index 366d3e9d51f8..ba6f73eb06c6 100644 --- a/net/bridge/netfilter/Kconfig +++ b/net/bridge/netfilter/Kconfig @@ -4,6 +4,7 @@ menuconfig BRIDGE_NF_EBTABLES tristate "Ethernet Bridge tables (ebtables) support" + depends on BRIDGE && BRIDGE_NETFILTER select NETFILTER_XTABLES help ebtables is a general, extensible frame/packet identification -- GitLab From 07446dc72cffcc6e2672d0e54061dcd1858725ba Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:32 -0700 Subject: [PATCH 4751/6244] ocfs2: Move ocfs2_bread() into dir.c dir.c is the only place using ocfs2_bread(), so let's make it static to that file. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/dir.c | 43 +++++++++++++++++++++++++++++++++++++++++ fs/ocfs2/inode.c | 50 ------------------------------------------------ fs/ocfs2/inode.h | 2 -- 3 files changed, 43 insertions(+), 52 deletions(-) diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 459e6b8467dc..ef2bb856f731 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -82,6 +82,49 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct ocfs2_alloc_context *meta_ac, struct buffer_head **new_bh); +static struct buffer_head *ocfs2_bread(struct inode *inode, + int block, int *err, int reada) +{ + struct buffer_head *bh = NULL; + int tmperr; + u64 p_blkno; + int readflags = OCFS2_BH_CACHED; + + if (reada) + readflags |= OCFS2_BH_READAHEAD; + + if (((u64)block << inode->i_sb->s_blocksize_bits) >= + i_size_read(inode)) { + BUG_ON(!reada); + return NULL; + } + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL, + NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (tmperr < 0) { + mlog_errno(tmperr); + goto fail; + } + + tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); + if (tmperr < 0) + goto fail; + + tmperr = 0; + + *err = 0; + return bh; + +fail: + brelse(bh); + bh = NULL; + + *err = -EIO; + return NULL; +} + /* * bh passed here can be an inode block or a dir data block, depending * on the inode inline data flag. diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index c5ee9e3cf80b..8381c26b21a8 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1132,56 +1132,6 @@ void ocfs2_drop_inode(struct inode *inode) mlog_exit_void(); } -/* - * TODO: this should probably be merged into ocfs2_get_block - * - * However, you now need to pay attention to the cont_prepare_write() - * stuff in ocfs2_get_block (that is, ocfs2_get_block pretty much - * expects never to extend). - */ -struct buffer_head *ocfs2_bread(struct inode *inode, - int block, int *err, int reada) -{ - struct buffer_head *bh = NULL; - int tmperr; - u64 p_blkno; - int readflags = OCFS2_BH_CACHED; - - if (reada) - readflags |= OCFS2_BH_READAHEAD; - - if (((u64)block << inode->i_sb->s_blocksize_bits) >= - i_size_read(inode)) { - BUG_ON(!reada); - return NULL; - } - - down_read(&OCFS2_I(inode)->ip_alloc_sem); - tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL, - NULL); - up_read(&OCFS2_I(inode)->ip_alloc_sem); - if (tmperr < 0) { - mlog_errno(tmperr); - goto fail; - } - - tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); - if (tmperr < 0) - goto fail; - - tmperr = 0; - - *err = 0; - return bh; - -fail: - brelse(bh); - bh = NULL; - - *err = -EIO; - return NULL; -} - /* * This is called from our getattr. */ diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index f66e4340f178..2f37af9bcc4a 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -117,8 +117,6 @@ extern struct kmem_cache *ocfs2_inode_cache; extern const struct address_space_operations ocfs2_aops; -struct buffer_head *ocfs2_bread(struct inode *inode, int block, - int *err, int reada); void ocfs2_clear_inode(struct inode *inode); void ocfs2_delete_inode(struct inode *inode); void ocfs2_drop_inode(struct inode *inode); -- GitLab From 5e0b3dec0107540244ba343f983ef4f972db20de Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:33 -0700 Subject: [PATCH 4752/6244] ocfs2: Kill the last naked wait_on_buffer() for cached reads. ocfs2's cached buffer I/O goes through ocfs2_read_block(s)(). dir.c had a naked wait_on_buffer() to wait for some readahead, but it should use ocfs2_read_block() instead. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/dir.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index ef2bb856f731..60be3ba1f5dc 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -302,14 +302,13 @@ restart: } if ((bh = bh_use[ra_ptr++]) == NULL) goto next; - wait_on_buffer(bh); - if (!buffer_uptodate(bh)) { - /* read error, skip block & hope for the best */ + if (ocfs2_read_block(dir, block, &bh)) { + /* read error, skip block & hope for the best. + * ocfs2_read_block() has released the bh. */ ocfs2_error(dir->i_sb, "reading directory %llu, " "offset %lu\n", (unsigned long long)OCFS2_I(dir)->ip_blkno, block); - brelse(bh); goto next; } i = ocfs2_search_dirblock(bh, dir, name, namelen, -- GitLab From d4a8c93c8248534bdedb07f83c9aebd6f7d1d579 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 9 Oct 2008 17:20:34 -0700 Subject: [PATCH 4753/6244] ocfs2: Make cached block reads the common case. ocfs2_read_blocks() currently requires the CACHED flag for cached I/O. However, that's the common case. Let's flip it around and provide an IGNORE_CACHE flag for the special users. This has the added benefit of cleaning up the code some (ignore_cache takes on its special meaning earlier in the loop). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh --- fs/ocfs2/buffer_head_io.c | 19 +++++++++++-------- fs/ocfs2/buffer_head_io.h | 4 ++-- fs/ocfs2/dir.c | 2 +- fs/ocfs2/inode.c | 3 ++- fs/ocfs2/journal.c | 3 ++- fs/ocfs2/localalloc.c | 4 ++-- fs/ocfs2/slot_map.c | 6 ++++-- 7 files changed, 24 insertions(+), 17 deletions(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index 718dbe5607ca..7e947c672469 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -181,7 +181,8 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, inode, (unsigned long long)block, nr, flags); BUG_ON(!inode); - BUG_ON((flags & OCFS2_BH_READAHEAD) && !(flags & OCFS2_BH_CACHED)); + BUG_ON((flags & OCFS2_BH_READAHEAD) && + (flags & OCFS2_BH_IGNORE_CACHE)); if (bhs == NULL) { status = -EINVAL; @@ -214,7 +215,7 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, } } bh = bhs[i]; - ignore_cache = 0; + ignore_cache = (flags & OCFS2_BH_IGNORE_CACHE); /* There are three read-ahead cases here which we need to * be concerned with. All three assume a buffer has @@ -240,26 +241,27 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, * before our is-it-in-flight check. */ - if (flags & OCFS2_BH_CACHED && - !ocfs2_buffer_uptodate(inode, bh)) { + if (!ignore_cache && !ocfs2_buffer_uptodate(inode, bh)) { mlog(ML_UPTODATE, "bh (%llu), inode %llu not uptodate\n", (unsigned long long)bh->b_blocknr, (unsigned long long)OCFS2_I(inode)->ip_blkno); + /* We're using ignore_cache here to say + * "go to disk" */ ignore_cache = 1; } /* XXX: Can we ever get this and *not* have the cached * flag set? */ if (buffer_jbd(bh)) { - if (!(flags & OCFS2_BH_CACHED) || ignore_cache) + if (ignore_cache) mlog(ML_BH_IO, "trying to sync read a jbd " "managed bh (blocknr = %llu)\n", (unsigned long long)bh->b_blocknr); continue; } - if (!(flags & OCFS2_BH_CACHED) || ignore_cache) { + if (ignore_cache) { if (buffer_dirty(bh)) { /* This should probably be a BUG, or * at least return an error. */ @@ -294,7 +296,7 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, * previously read-ahead buffer may have * completed I/O while we were waiting for the * buffer lock. */ - if ((flags & OCFS2_BH_CACHED) + if (!(flags & OCFS2_BH_IGNORE_CACHE) && !(flags & OCFS2_BH_READAHEAD) && ocfs2_buffer_uptodate(inode, bh)) { unlock_buffer(bh); @@ -344,7 +346,8 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, mlog(ML_BH_IO, "block=(%llu), nr=(%d), cached=%s, flags=0x%x\n", (unsigned long long)block, nr, - (!(flags & OCFS2_BH_CACHED) || ignore_cache) ? "no" : "yes", flags); + ((flags & OCFS2_BH_IGNORE_CACHE) || ignore_cache) ? "no" : "yes", + flags); bail: diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index a2ef9e5f8bfe..75e1dcb1ade7 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -49,7 +49,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, int ocfs2_write_super_or_backup(struct ocfs2_super *osb, struct buffer_head *bh); -#define OCFS2_BH_CACHED 1 +#define OCFS2_BH_IGNORE_CACHE 1 #define OCFS2_BH_READAHEAD 8 static inline int ocfs2_read_block(struct inode *inode, u64 off, @@ -63,7 +63,7 @@ static inline int ocfs2_read_block(struct inode *inode, u64 off, goto bail; } - status = ocfs2_read_blocks(inode, off, 1, bh, OCFS2_BH_CACHED); + status = ocfs2_read_blocks(inode, off, 1, bh, 0); bail: return status; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 60be3ba1f5dc..026e6eb85187 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -88,7 +88,7 @@ static struct buffer_head *ocfs2_bread(struct inode *inode, struct buffer_head *bh = NULL; int tmperr; u64 p_blkno; - int readflags = OCFS2_BH_CACHED; + int readflags = 0; if (reada) readflags |= OCFS2_BH_READAHEAD; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 8381c26b21a8..4903688f72a9 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -461,7 +461,8 @@ static int ocfs2_read_locked_inode(struct inode *inode, } if (can_lock) - status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh, 0); + status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh, + OCFS2_BH_IGNORE_CACHE); else status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); if (status < 0) { diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index d161fe5e3bde..81e40677eecb 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -1134,7 +1134,8 @@ static int ocfs2_read_journal_inode(struct ocfs2_super *osb, } SET_INODE_JOURNAL(inode); - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh, 0); + status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 3ea740d15feb..687b28713c32 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -249,7 +249,7 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) } status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, 0); + &alloc_bh, OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; @@ -460,7 +460,7 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, mutex_lock(&inode->i_mutex); status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, 0); + &alloc_bh, OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index 357d3fe18c3f..bdda2d8f8508 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -150,7 +150,8 @@ int ocfs2_refresh_slot_info(struct ocfs2_super *osb) * be !NULL. Thus, ocfs2_read_blocks() will ignore blocknr. If * this is not true, the read of -1 (UINT64_MAX) will fail. */ - ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, 0); + ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, + OCFS2_BH_IGNORE_CACHE); if (ret == 0) { spin_lock(&osb->osb_lock); ocfs2_update_slot_info(si); @@ -403,7 +404,8 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, (unsigned long long)blkno); bh = NULL; /* Acquire a fresh bh */ - status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, 0); + status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; -- GitLab From e6a7d3c04f8fe49099521e6dc9a46b0272381f2f Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 14 Oct 2008 11:58:31 -0700 Subject: [PATCH 4754/6244] netfilter: ctnetlink: remove bogus module dependency between ctnetlink and nf_nat This patch removes the module dependency between ctnetlink and nf_nat by means of an indirect call that is initialized when nf_nat is loaded. Now, nf_conntrack_netlink only requires nf_conntrack and nfnetlink. This patch puts nfnetlink_parse_nat_setup_hook into the nf_conntrack_core to avoid dependencies between ctnetlink, nf_conntrack_ipv4 and nf_conntrack_ipv6. This patch also introduces the function ctnetlink_change_nat that is only invoked from the creation path. Actually, the nat handling cannot be invoked from the update path since this is not allowed. By introducing this function, we remove the useless nat handling in the update path and we avoid deadlock-prone code. This patch also adds the required EAGAIN logic for nfnetlink. Signed-off-by: Pablo Neira Ayuso Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/netfilter/nfnetlink.h | 3 + include/net/netfilter/nf_nat_core.h | 8 ++ net/ipv4/netfilter/nf_nat_core.c | 97 +++++++++++++++++ net/netfilter/nf_conntrack_core.c | 7 ++ net/netfilter/nf_conntrack_netlink.c | 151 +++++++++++---------------- net/netfilter/nfnetlink.c | 12 ++- 6 files changed, 185 insertions(+), 93 deletions(-) diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 0d8424f76899..7d8e0455ccac 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -78,6 +78,9 @@ extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo); extern int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags); +extern void nfnl_lock(void); +extern void nfnl_unlock(void); + #define MODULE_ALIAS_NFNL_SUBSYS(subsys) \ MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys)) diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h index f29eeb9777e0..58684066388c 100644 --- a/include/net/netfilter/nf_nat_core.h +++ b/include/net/netfilter/nf_nat_core.h @@ -25,4 +25,12 @@ static inline int nf_nat_initialized(struct nf_conn *ct, else return test_bit(IPS_DST_NAT_DONE_BIT, &ct->status); } + +struct nlattr; + +extern int +(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct, + enum nf_nat_manip_type manip, + struct nlattr *attr); + #endif /* _NF_NAT_CORE_H */ diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c index 2ac9eaf1a8c9..a65cf692359f 100644 --- a/net/ipv4/netfilter/nf_nat_core.c +++ b/net/ipv4/netfilter/nf_nat_core.c @@ -584,6 +584,98 @@ static struct nf_ct_ext_type nat_extend __read_mostly = { .flags = NF_CT_EXT_F_PREALLOC, }; +#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE) + +#include +#include + +static const struct nla_policy protonat_nla_policy[CTA_PROTONAT_MAX+1] = { + [CTA_PROTONAT_PORT_MIN] = { .type = NLA_U16 }, + [CTA_PROTONAT_PORT_MAX] = { .type = NLA_U16 }, +}; + +static int nfnetlink_parse_nat_proto(struct nlattr *attr, + const struct nf_conn *ct, + struct nf_nat_range *range) +{ + struct nlattr *tb[CTA_PROTONAT_MAX+1]; + const struct nf_nat_protocol *npt; + int err; + + err = nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, protonat_nla_policy); + if (err < 0) + return err; + + npt = nf_nat_proto_find_get(nf_ct_protonum(ct)); + if (npt->nlattr_to_range) + err = npt->nlattr_to_range(tb, range); + nf_nat_proto_put(npt); + return err; +} + +static const struct nla_policy nat_nla_policy[CTA_NAT_MAX+1] = { + [CTA_NAT_MINIP] = { .type = NLA_U32 }, + [CTA_NAT_MAXIP] = { .type = NLA_U32 }, +}; + +static int +nfnetlink_parse_nat(struct nlattr *nat, + const struct nf_conn *ct, struct nf_nat_range *range) +{ + struct nlattr *tb[CTA_NAT_MAX+1]; + int err; + + memset(range, 0, sizeof(*range)); + + err = nla_parse_nested(tb, CTA_NAT_MAX, nat, nat_nla_policy); + if (err < 0) + return err; + + if (tb[CTA_NAT_MINIP]) + range->min_ip = nla_get_be32(tb[CTA_NAT_MINIP]); + + if (!tb[CTA_NAT_MAXIP]) + range->max_ip = range->min_ip; + else + range->max_ip = nla_get_be32(tb[CTA_NAT_MAXIP]); + + if (range->min_ip) + range->flags |= IP_NAT_RANGE_MAP_IPS; + + if (!tb[CTA_NAT_PROTO]) + return 0; + + err = nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO], ct, range); + if (err < 0) + return err; + + return 0; +} + +static int +nfnetlink_parse_nat_setup(struct nf_conn *ct, + enum nf_nat_manip_type manip, + struct nlattr *attr) +{ + struct nf_nat_range range; + + if (nfnetlink_parse_nat(attr, ct, &range) < 0) + return -EINVAL; + if (nf_nat_initialized(ct, manip)) + return -EEXIST; + + return nf_nat_setup_info(ct, &range, manip); +} +#else +static int +nfnetlink_parse_nat_setup(struct nf_conn *ct, + enum nf_nat_manip_type manip, + struct nlattr *attr) +{ + return -EOPNOTSUPP; +} +#endif + static int __net_init nf_nat_net_init(struct net *net) { net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&nf_nat_htable_size, @@ -654,6 +746,9 @@ static int __init nf_nat_init(void) BUG_ON(nf_nat_seq_adjust_hook != NULL); rcu_assign_pointer(nf_nat_seq_adjust_hook, nf_nat_seq_adjust); + BUG_ON(nfnetlink_parse_nat_setup_hook != NULL); + rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, + nfnetlink_parse_nat_setup); return 0; cleanup_extend: @@ -667,10 +762,12 @@ static void __exit nf_nat_cleanup(void) nf_ct_l3proto_put(l3proto); nf_ct_extend_unregister(&nat_extend); rcu_assign_pointer(nf_nat_seq_adjust_hook, NULL); + rcu_assign_pointer(nfnetlink_parse_nat_setup_hook, NULL); synchronize_net(); } MODULE_LICENSE("GPL"); +MODULE_ALIAS("nf-nat-ipv4"); module_init(nf_nat_init); module_exit(nf_nat_cleanup); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 27de3c7b006e..622d7c671cb7 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -38,9 +38,16 @@ #include #include #include +#include #define NF_CONNTRACK_VERSION "0.5.0" +unsigned int +(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct, + enum nf_nat_manip_type manip, + struct nlattr *attr) __read_mostly; +EXPORT_SYMBOL_GPL(nfnetlink_parse_nat_setup_hook); + DEFINE_SPINLOCK(nf_conntrack_lock); EXPORT_SYMBOL_GPL(nf_conntrack_lock); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index cadfd15b44f6..08e82d64eb6f 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -689,71 +689,6 @@ ctnetlink_parse_tuple(struct nlattr *cda[], struct nf_conntrack_tuple *tuple, return 0; } -#ifdef CONFIG_NF_NAT_NEEDED -static const struct nla_policy protonat_nla_policy[CTA_PROTONAT_MAX+1] = { - [CTA_PROTONAT_PORT_MIN] = { .type = NLA_U16 }, - [CTA_PROTONAT_PORT_MAX] = { .type = NLA_U16 }, -}; - -static int nfnetlink_parse_nat_proto(struct nlattr *attr, - const struct nf_conn *ct, - struct nf_nat_range *range) -{ - struct nlattr *tb[CTA_PROTONAT_MAX+1]; - const struct nf_nat_protocol *npt; - int err; - - err = nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, protonat_nla_policy); - if (err < 0) - return err; - - npt = nf_nat_proto_find_get(nf_ct_protonum(ct)); - if (npt->nlattr_to_range) - err = npt->nlattr_to_range(tb, range); - nf_nat_proto_put(npt); - return err; -} - -static const struct nla_policy nat_nla_policy[CTA_NAT_MAX+1] = { - [CTA_NAT_MINIP] = { .type = NLA_U32 }, - [CTA_NAT_MAXIP] = { .type = NLA_U32 }, -}; - -static inline int -nfnetlink_parse_nat(struct nlattr *nat, - const struct nf_conn *ct, struct nf_nat_range *range) -{ - struct nlattr *tb[CTA_NAT_MAX+1]; - int err; - - memset(range, 0, sizeof(*range)); - - err = nla_parse_nested(tb, CTA_NAT_MAX, nat, nat_nla_policy); - if (err < 0) - return err; - - if (tb[CTA_NAT_MINIP]) - range->min_ip = nla_get_be32(tb[CTA_NAT_MINIP]); - - if (!tb[CTA_NAT_MAXIP]) - range->max_ip = range->min_ip; - else - range->max_ip = nla_get_be32(tb[CTA_NAT_MAXIP]); - - if (range->min_ip) - range->flags |= IP_NAT_RANGE_MAP_IPS; - - if (!tb[CTA_NAT_PROTO]) - return 0; - - err = nfnetlink_parse_nat_proto(tb[CTA_NAT_PROTO], ct, range); - if (err < 0) - return err; - - return 0; -} -#endif - static inline int ctnetlink_parse_help(struct nlattr *attr, char **helper_name) { @@ -878,6 +813,34 @@ out: return err; } +static int +ctnetlink_parse_nat_setup(struct nf_conn *ct, + enum nf_nat_manip_type manip, + struct nlattr *attr) +{ + typeof(nfnetlink_parse_nat_setup_hook) parse_nat_setup; + + parse_nat_setup = rcu_dereference(nfnetlink_parse_nat_setup_hook); + if (!parse_nat_setup) { +#ifdef CONFIG_KMOD + rcu_read_unlock(); + nfnl_unlock(); + if (request_module("nf-nat-ipv4") < 0) { + nfnl_lock(); + rcu_read_lock(); + return -EOPNOTSUPP; + } + nfnl_lock(); + rcu_read_lock(); + if (nfnetlink_parse_nat_setup_hook) + return -EAGAIN; +#endif + return -EOPNOTSUPP; + } + + return parse_nat_setup(ct, manip, attr); +} + static int ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[]) { @@ -897,31 +860,6 @@ ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[]) /* ASSURED bit can only be set */ return -EBUSY; - if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) { -#ifndef CONFIG_NF_NAT_NEEDED - return -EOPNOTSUPP; -#else - struct nf_nat_range range; - - if (cda[CTA_NAT_DST]) { - if (nfnetlink_parse_nat(cda[CTA_NAT_DST], ct, - &range) < 0) - return -EINVAL; - if (nf_nat_initialized(ct, IP_NAT_MANIP_DST)) - return -EEXIST; - nf_nat_setup_info(ct, &range, IP_NAT_MANIP_DST); - } - if (cda[CTA_NAT_SRC]) { - if (nfnetlink_parse_nat(cda[CTA_NAT_SRC], ct, - &range) < 0) - return -EINVAL; - if (nf_nat_initialized(ct, IP_NAT_MANIP_SRC)) - return -EEXIST; - nf_nat_setup_info(ct, &range, IP_NAT_MANIP_SRC); - } -#endif - } - /* Be careful here, modifying NAT bits can screw up things, * so don't let users modify them directly if they don't pass * nf_nat_range. */ @@ -929,6 +867,31 @@ ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[]) return 0; } +static int +ctnetlink_change_nat(struct nf_conn *ct, struct nlattr *cda[]) +{ +#ifdef CONFIG_NF_NAT_NEEDED + int ret; + + if (cda[CTA_NAT_DST]) { + ret = ctnetlink_parse_nat_setup(ct, + IP_NAT_MANIP_DST, + cda[CTA_NAT_DST]); + if (ret < 0) + return ret; + } + if (cda[CTA_NAT_SRC]) { + ret = ctnetlink_parse_nat_setup(ct, + IP_NAT_MANIP_SRC, + cda[CTA_NAT_SRC]); + if (ret < 0) + return ret; + } + return 0; +#else + return -EOPNOTSUPP; +#endif +} static inline int ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[]) @@ -1157,6 +1120,14 @@ ctnetlink_create_conntrack(struct nlattr *cda[], } } + if (cda[CTA_NAT_SRC] || cda[CTA_NAT_DST]) { + err = ctnetlink_change_nat(ct, cda); + if (err < 0) { + rcu_read_unlock(); + goto err; + } + } + if (cda[CTA_PROTOINFO]) { err = ctnetlink_change_protoinfo(ct, cda); if (err < 0) { diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index b75c9c4a995d..4739f9f961d8 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -44,15 +44,17 @@ static struct sock *nfnl = NULL; static const struct nfnetlink_subsystem *subsys_table[NFNL_SUBSYS_COUNT]; static DEFINE_MUTEX(nfnl_mutex); -static inline void nfnl_lock(void) +void nfnl_lock(void) { mutex_lock(&nfnl_mutex); } +EXPORT_SYMBOL_GPL(nfnl_lock); -static inline void nfnl_unlock(void) +void nfnl_unlock(void) { mutex_unlock(&nfnl_mutex); } +EXPORT_SYMBOL_GPL(nfnl_unlock); int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n) { @@ -132,6 +134,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) return 0; type = nlh->nlmsg_type; +replay: ss = nfnetlink_get_subsys(type); if (!ss) { #ifdef CONFIG_KMOD @@ -165,7 +168,10 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) } else return -EINVAL; - return nc->call(nfnl, skb, nlh, cda); + err = nc->call(nfnl, skb, nlh, cda); + if (err == -EAGAIN) + goto replay; + return err; } } -- GitLab From 93f78da405685a756beeaeae4b5e41fcec39eab3 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 14 Oct 2008 12:12:02 -0700 Subject: [PATCH 4755/6244] Revert "vt: fix background color on line feed" This reverts commit c9e587abfdec2c2aaa55fab83bcb4972e2f84f9b, and the subsequent commits that fixed it up: - afa9b649 "fbcon: prevent cursor disappearance after switching to 512 character font" - d850a2fa "vt/fbcon: fix background color on line feed" - 7fe3915a "vt/fbcon: update scrl_erase_char after 256/512-glyph font switch" by request of Alan Cox. Quoth Alan: "Unfortunately it's wrong and its been causing breakages because various apps like ncurses expect our previous (and correct) behaviour." Alexander sent out a similar patch. Requested-by: Alan Cox Tested-by: Jan Engelhardt Cc: Alexander V. Lukyanov Signed-off-by: Linus Torvalds --- drivers/char/vt.c | 5 ++--- drivers/video/console/fbcon.c | 39 +++++++++------------------------- drivers/video/console/mdacon.c | 2 +- drivers/video/console/sticon.c | 4 ++-- drivers/video/console/vgacon.c | 4 ++-- include/linux/console_struct.h | 1 - 6 files changed, 17 insertions(+), 38 deletions(-) diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 57029fefd64a..a0f7ffb68087 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -301,7 +301,7 @@ static void scrup(struct vc_data *vc, unsigned int t, unsigned int b, int nr) d = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t); s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * (t + nr)); scr_memmovew(d, s, (b - t - nr) * vc->vc_size_row); - scr_memsetw(d + (b - t - nr) * vc->vc_cols, vc->vc_scrl_erase_char, + scr_memsetw(d + (b - t - nr) * vc->vc_cols, vc->vc_video_erase_char, vc->vc_size_row * nr); } @@ -319,7 +319,7 @@ static void scrdown(struct vc_data *vc, unsigned int t, unsigned int b, int nr) s = (unsigned short *)(vc->vc_origin + vc->vc_size_row * t); step = vc->vc_cols * nr; scr_memmovew(s + step, s, (b - t - nr) * vc->vc_size_row); - scr_memsetw(s, vc->vc_scrl_erase_char, 2 * step); + scr_memsetw(s, vc->vc_video_erase_char, 2 * step); } static void do_update_region(struct vc_data *vc, unsigned long start, int count) @@ -434,7 +434,6 @@ static void update_attr(struct vc_data *vc) vc->vc_blink, vc->vc_underline, vc->vc_reverse ^ vc->vc_decscnm, vc->vc_italic); vc->vc_video_erase_char = (build_attr(vc, vc->vc_color, 1, vc->vc_blink, 0, vc->vc_decscnm, 0) << 8) | ' '; - vc->vc_scrl_erase_char = (build_attr(vc, vc->vc_def_color, 1, false, false, vc->vc_decscnm, false) << 8) | ' '; } /* Note: inverting the screen twice should revert to the original state */ diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 9cbff84b787d..da91bb16da8a 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1855,8 +1855,6 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]]; struct display *p = &fb_display[vc->vc_num]; int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK; - unsigned short saved_ec; - int ret; if (fbcon_is_inactive(vc, info)) return -EINVAL; @@ -1869,11 +1867,6 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, * whole screen (prevents flicker). */ - saved_ec = vc->vc_video_erase_char; - vc->vc_video_erase_char = vc->vc_scrl_erase_char; - - ret = 0; - switch (dir) { case SM_UP: if (count > vc->vc_rows) /* Maximum realistic size */ @@ -1890,9 +1883,9 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, scr_memsetw((unsigned short *) (vc->vc_origin + vc->vc_size_row * (b - count)), - vc->vc_scrl_erase_char, + vc->vc_video_erase_char, vc->vc_size_row * count); - ret = 1; + return 1; break; case SCROLL_WRAP_MOVE: @@ -1962,10 +1955,9 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, scr_memsetw((unsigned short *) (vc->vc_origin + vc->vc_size_row * (b - count)), - vc->vc_scrl_erase_char, + vc->vc_video_erase_char, vc->vc_size_row * count); - ret = 1; - break; + return 1; } break; @@ -1982,9 +1974,9 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, scr_memsetw((unsigned short *) (vc->vc_origin + vc->vc_size_row * t), - vc->vc_scrl_erase_char, + vc->vc_video_erase_char, vc->vc_size_row * count); - ret = 1; + return 1; break; case SCROLL_WRAP_MOVE: @@ -2052,15 +2044,12 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir, scr_memsetw((unsigned short *) (vc->vc_origin + vc->vc_size_row * t), - vc->vc_scrl_erase_char, + vc->vc_video_erase_char, vc->vc_size_row * count); - ret = 1; - break; + return 1; } - break; } - vc->vc_video_erase_char = saved_ec; - return ret; + return 0; } @@ -2522,9 +2511,6 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, c = vc->vc_video_erase_char; vc->vc_video_erase_char = ((c & 0xfe00) >> 1) | (c & 0xff); - c = vc->vc_scrl_erase_char; - vc->vc_scrl_erase_char = - ((c & 0xFE00) >> 1) | (c & 0xFF); vc->vc_attr >>= 1; } } else if (!vc->vc_hi_font_mask && cnt == 512) { @@ -2555,14 +2541,9 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h, if (vc->vc_can_do_color) { vc->vc_video_erase_char = ((c & 0xff00) << 1) | (c & 0xff); - c = vc->vc_scrl_erase_char; - vc->vc_scrl_erase_char = - ((c & 0xFF00) << 1) | (c & 0xFF); vc->vc_attr <<= 1; - } else { + } else vc->vc_video_erase_char = c & ~0x100; - vc->vc_scrl_erase_char = c & ~0x100; - } } } diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index 9901064199bd..dd3eaaad4441 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -533,7 +533,7 @@ static void mdacon_cursor(struct vc_data *c, int mode) static int mdacon_scroll(struct vc_data *c, int t, int b, int dir, int lines) { - u16 eattr = mda_convert_attr(c->vc_scrl_erase_char); + u16 eattr = mda_convert_attr(c->vc_video_erase_char); if (!lines) return 0; diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 4055dbdd1b42..491c1c1baf4c 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -170,12 +170,12 @@ static int sticon_scroll(struct vc_data *conp, int t, int b, int dir, int count) switch (dir) { case SM_UP: sti_bmove(sti, t + count, 0, t, 0, b - t - count, conp->vc_cols); - sti_clear(sti, b - count, 0, count, conp->vc_cols, conp->vc_scrl_erase_char); + sti_clear(sti, b - count, 0, count, conp->vc_cols, conp->vc_video_erase_char); break; case SM_DOWN: sti_bmove(sti, t, 0, t + count, 0, b - t - count, conp->vc_cols); - sti_clear(sti, t, 0, count, conp->vc_cols, conp->vc_scrl_erase_char); + sti_clear(sti, t, 0, count, conp->vc_cols, conp->vc_video_erase_char); break; } diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index bd1f57b259d9..6df29a62d720 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -1350,7 +1350,7 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, } else c->vc_origin += delta; scr_memsetw((u16 *) (c->vc_origin + c->vc_screenbuf_size - - delta), c->vc_scrl_erase_char, + delta), c->vc_video_erase_char, delta); } else { if (oldo - delta < vga_vram_base) { @@ -1363,7 +1363,7 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, } else c->vc_origin -= delta; c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; - scr_memsetw((u16 *) (c->vc_origin), c->vc_scrl_erase_char, + scr_memsetw((u16 *) (c->vc_origin), c->vc_video_erase_char, delta); } c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index b03f80a078be..d71f7c0f931b 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -53,7 +53,6 @@ struct vc_data { unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ struct console_font vc_font; /* Current VC font set */ unsigned short vc_video_erase_char; /* Background erase character */ - unsigned short vc_scrl_erase_char; /* Erase character for scroll */ /* VT terminal data */ unsigned int vc_state; /* Escape sequence parser state */ unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ -- GitLab From 3497b2f274b62292df67b6321d8947e24fce94a9 Mon Sep 17 00:00:00 2001 From: Randy Macleod Date: Tue, 14 Oct 2008 13:49:38 -0700 Subject: [PATCH 4756/6244] Phonet: Simple doc fix. From: "Randy Macleod" Signed-off-by: David S. Miller --- Documentation/networking/phonet.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/phonet.txt b/Documentation/networking/phonet.txt index 0e6e592f4f55..6a07e45d4a93 100644 --- a/Documentation/networking/phonet.txt +++ b/Documentation/networking/phonet.txt @@ -146,8 +146,8 @@ WARNING: When polling a connected pipe socket for writability, there is an intrinsic race condition whereby writability might be lost between the polling and the writing system calls. In this case, the socket will -block until write because possible again, unless non-blocking mode -becomes enabled. +block until write becomes possible again, unless non-blocking mode +is enabled. The pipe protocol provides two socket options at the SOL_PNPIPE level: -- GitLab From a5a5b8c527b8d88056d4a63ccac66eb20af8228b Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Tue, 14 Oct 2008 21:54:23 +0100 Subject: [PATCH 4757/6244] [ARM] 5305/1: ARM: OMAP: Fix compile of McBSP by removing unnecessary check Recent McBSP patches changed to allocating devices dynamically and the check for OMAP_MAX_MCBSP_COUNT became unnecessary. The check for OMAP_MAX_MCBSP_COUNT should have been removed with the earlier McBSP patches in devices.c but was accidentally left out. Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/plat-omap/devices.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 2625ce32e602..a374b945ac17 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -159,13 +159,6 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, { int i; - if (size > OMAP_MAX_MCBSP_COUNT) { - printk(KERN_WARNING "Registered too many McBSPs platform_data." - " Using maximum (%d) available.\n", - OMAP_MAX_MCBSP_COUNT); - size = OMAP_MAX_MCBSP_COUNT; - } - omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *), GFP_KERNEL); if (!omap_mcbsp_devices) { -- GitLab From aa59e19d05114f9fb7718d6bc8398255476fb4f5 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Tue, 14 Oct 2008 21:27:27 +0100 Subject: [PATCH 4758/6244] [ARM] 5302/1: ARM: OMAP: Revert omap3 WDT changes to avoid merge conflict With the upcoming WDT patches OMAP_WDT_BASE is no longer needed in devices.c. Revert some earlier omap3 changes to avoid merge conflicts with the WDT patches. Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/plat-omap/devices.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index a374b945ac17..6467f57a2ac1 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -392,17 +392,8 @@ static inline void omap_init_uwire(void) {} #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) -#if defined(CONFIG_ARCH_OMAP34XX) -#define OMAP_WDT_BASE 0x48314000 -#elif defined(CONFIG_ARCH_OMAP24XX) - -#ifdef CONFIG_ARCH_OMAP2430 -/* WDT2 */ -#define OMAP_WDT_BASE 0x49016000 -#else +#ifdef CONFIG_ARCH_OMAP24XX #define OMAP_WDT_BASE 0x48022000 -#endif - #else #define OMAP_WDT_BASE 0xfffeb000 #endif -- GitLab From e8c84f9a5f06912c94c38961096c994da3890a2e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 19 May 2008 15:50:01 +0200 Subject: [PATCH 4759/6244] modpost: add support for hid Generate aliases for hid device modules to support autoloading. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- include/linux/hid.h | 1 + include/linux/mod_devicetable.h | 10 ++++++++++ scripts/mod/file2alias.c | 18 ++++++++++++++++++ 3 files changed, 29 insertions(+) diff --git a/include/linux/hid.h b/include/linux/hid.h index ac4e678a04ed..b7a17762a0b2 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -67,6 +67,7 @@ #include #include #include +#include /* hid_device_id */ #include #include #include diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 3481a7d5bc0a..d6a3f47e95cb 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -131,6 +131,16 @@ struct usb_device_id { #define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 +#define HID_ANY_ID (~0) + +struct hid_device_id { + __u16 bus; + __u32 vendor; + __u32 product; + kernel_ulong_t driver_data + __attribute__((aligned(sizeof(kernel_ulong_t)))); +}; + /* s390 CCW devices */ struct ccw_device_id { __u16 match_flags; /* which fields to match against */ diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 473f94e56ead..d4dc222a74f3 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -206,6 +206,20 @@ static void do_usb_table(void *symval, unsigned long size, do_usb_entry_multi(symval + i, mod); } +/* Looks like: hid:bNvNpN */ +static int do_hid_entry(const char *filename, + struct hid_device_id *id, char *alias) +{ + id->vendor = TO_NATIVE(id->vendor); + id->product = TO_NATIVE(id->product); + + sprintf(alias, "hid:b%04X", id->bus); + ADD(alias, "v", id->vendor != HID_ANY_ID, id->vendor); + ADD(alias, "p", id->product != HID_ANY_ID, id->product); + + return 1; +} + /* Looks like: ieee1394:venNmoNspNverN */ static int do_ieee1394_entry(const char *filename, struct ieee1394_device_id *id, char *alias) @@ -745,6 +759,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, else if (sym_is(symname, "__mod_usb_device_table")) /* special case to handle bcdDevice ranges */ do_usb_table(symval, sym->st_size, mod); + else if (sym_is(symname, "__mod_hid_device_table")) + do_table(symval, sym->st_size, + sizeof(struct hid_device_id), "hid", + do_hid_entry, mod); else if (sym_is(symname, "__mod_ieee1394_device_table")) do_table(symval, sym->st_size, sizeof(struct ieee1394_device_id), "ieee1394", -- GitLab From 85cdaf524b7ddab627e7d15405693f2511ef7505 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:15 +0200 Subject: [PATCH 4760/6244] HID: make a bus from hid code Make a bus from hid core. This is the first step for converting all the quirks and separate almost-drivers into real drivers attached to this bus. It's implemented to change behaviour in very tiny manner, so that no driver needs to be changed this time. Also add generic drivers for both usb and bt into usbhid or hidp respectively which will bind all non-blacklisted device. Those blacklisted will be either grabbed by special drivers or by nobody if they are broken at the very rude base. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 474 ++++++++++++++++++++++++++++------ drivers/hid/hid-input.c | 2 +- drivers/hid/usbhid/hid-core.c | 44 +++- drivers/hid/usbhid/usbhid.h | 2 +- include/linux/hid.h | 104 +++++++- net/bluetooth/hidp/core.c | 64 ++++- 6 files changed, 586 insertions(+), 104 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 426ac5add585..017fc20167d4 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -534,9 +534,10 @@ static void hid_free_report(struct hid_report *report) * Free a device structure, all reports, and all fields. */ -void hid_free_device(struct hid_device *device) +static void hid_device_release(struct device *dev) { - unsigned i,j; + struct hid_device *device = container_of(dev, struct hid_device, dev); + unsigned i, j; for (i = 0; i < HID_REPORT_TYPES; i++) { struct hid_report_enum *report_enum = device->report_enum + i; @@ -552,7 +553,6 @@ void hid_free_device(struct hid_device *device) kfree(device->collection); kfree(device); } -EXPORT_SYMBOL_GPL(hid_free_device); /* * Fetch a report description item from the data stream. We support long @@ -622,18 +622,24 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) return NULL; } -/* +/** + * hid_parse_report - parse device report + * + * @device: hid device + * @start: report start + * @size: report size + * * Parse a report description into a hid_device structure. Reports are * enumerated, fields are attached to these reports. + * 0 returned on success, otherwise nonzero error value. */ - -struct hid_device *hid_parse_report(__u8 *start, unsigned size) +int hid_parse_report(struct hid_device *device, __u8 *start, + unsigned size) { - struct hid_device *device; struct hid_parser *parser; struct hid_item item; __u8 *end; - unsigned i; + int ret; static int (*dispatch_type[])(struct hid_parser *parser, struct hid_item *item) = { hid_parser_main, @@ -642,76 +648,54 @@ struct hid_device *hid_parse_report(__u8 *start, unsigned size) hid_parser_reserved }; - if (!(device = kzalloc(sizeof(struct hid_device), GFP_KERNEL))) - return NULL; - - if (!(device->collection = kzalloc(sizeof(struct hid_collection) * - HID_DEFAULT_NUM_COLLECTIONS, GFP_KERNEL))) { - kfree(device); - return NULL; - } - device->collection_size = HID_DEFAULT_NUM_COLLECTIONS; - - for (i = 0; i < HID_REPORT_TYPES; i++) - INIT_LIST_HEAD(&device->report_enum[i].report_list); - - if (!(device->rdesc = kmalloc(size, GFP_KERNEL))) { - kfree(device->collection); - kfree(device); - return NULL; - } + device->rdesc = kmalloc(size, GFP_KERNEL); + if (device->rdesc == NULL) + return -ENOMEM; memcpy(device->rdesc, start, size); device->rsize = size; - if (!(parser = vmalloc(sizeof(struct hid_parser)))) { - kfree(device->rdesc); - kfree(device->collection); - kfree(device); - return NULL; + parser = vmalloc(sizeof(struct hid_parser)); + if (!parser) { + ret = -ENOMEM; + goto err; } + memset(parser, 0, sizeof(struct hid_parser)); parser->device = device; end = start + size; + ret = -EINVAL; while ((start = fetch_item(start, end, &item)) != NULL) { if (item.format != HID_ITEM_FORMAT_SHORT) { dbg_hid("unexpected long global item\n"); - hid_free_device(device); - vfree(parser); - return NULL; + goto err; } if (dispatch_type[item.type](parser, &item)) { dbg_hid("item %u %u %u %u parsing failed\n", item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); - hid_free_device(device); - vfree(parser); - return NULL; + goto err; } if (start == end) { if (parser->collection_stack_ptr) { dbg_hid("unbalanced collection at end of report description\n"); - hid_free_device(device); - vfree(parser); - return NULL; + goto err; } if (parser->local.delimiter_depth) { dbg_hid("unbalanced delimiter at end of report description\n"); - hid_free_device(device); - vfree(parser); - return NULL; + goto err; } vfree(parser); - return device; + return 0; } } dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); - hid_free_device(device); +err: vfree(parser); - return NULL; + return ret; } EXPORT_SYMBOL_GPL(hid_parse_report); @@ -815,9 +799,73 @@ static __inline__ int search(__s32 *array, __s32 value, unsigned n) return -1; } -static void hid_process_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, int interrupt) +/** + * hid_match_report - check if driver's raw_event should be called + * + * @hid: hid device + * @report_type: type to match against + * + * compare hid->driver->report_table->report_type to report->type + */ +static int hid_match_report(struct hid_device *hid, struct hid_report *report) { + const struct hid_report_id *id = hid->driver->report_table; + + if (!id) /* NULL means all */ + return 1; + + for (; id->report_type != HID_TERMINATOR; id++) + if (id->report_type == HID_ANY_ID || + id->report_type == report->type) + return 1; + return 0; +} + +/** + * hid_match_usage - check if driver's event should be called + * + * @hid: hid device + * @usage: usage to match against + * + * compare hid->driver->usage_table->usage_{type,code} to + * usage->usage_{type,code} + */ +static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) +{ + const struct hid_usage_id *id = hid->driver->usage_table; + + if (!id) /* NULL means all */ + return 1; + + for (; id->usage_type != HID_ANY_ID - 1; id++) + if ((id->usage_hid == HID_ANY_ID || + id->usage_hid == usage->hid) && + (id->usage_type == HID_ANY_ID || + id->usage_type == usage->type) && + (id->usage_code == HID_ANY_ID || + id->usage_code == usage->code)) + return 1; + return 0; +} + +static void hid_process_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, int interrupt) +{ + struct hid_driver *hdrv = hid->driver; + int ret; + hid_dump_input(usage, value); + + if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { + ret = hdrv->event(hid, field, usage, value); + if (ret != 0) { + if (ret < 0) + dbg_hid("%s's event failed with %d\n", + hdrv->name, ret); + return; + } + } + if (hid->claimed & HID_CLAIMED_INPUT) hidinput_hid_event(hid, field, usage, value); if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) @@ -946,44 +994,47 @@ int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) } EXPORT_SYMBOL_GPL(hid_set_field); -int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) +static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, + const u8 *data) { - struct hid_report_enum *report_enum = hid->report_enum + type; struct hid_report *report; - int n, rsize, i; + unsigned int n = 0; /* Normally report number is 0 */ - if (!hid) - return -ENODEV; + /* Device uses numbered reports, data[0] is report number */ + if (report_enum->numbered) + n = *data; - if (!size) { - dbg_hid("empty report\n"); - return -1; - } + report = report_enum->report_id_hash[n]; + if (report == NULL) + dbg_hid("undefined report_id %u received\n", n); - dbg_hid("report (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un"); + return report; +} - n = 0; /* Normally report number is 0 */ - if (report_enum->numbered) { /* Device uses numbered reports, data[0] is report number */ - n = *data++; - size--; - } +void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, + int interrupt) +{ + struct hid_report_enum *report_enum = hid->report_enum + type; + struct hid_report *report; + unsigned int a; + int rsize, csize = size; + u8 *cdata = data; - /* dump the report */ - dbg_hid("report %d (size %u) = ", n, size); - for (i = 0; i < size; i++) - dbg_hid_line(" %02x", data[i]); - dbg_hid_line("\n"); + report = hid_get_report(report_enum, data); + if (!report) + return; - if (!(report = report_enum->report_id_hash[n])) { - dbg_hid("undefined report_id %d received\n", n); - return -1; + if (report_enum->numbered) { + cdata++; + csize--; } rsize = ((report->size - 1) >> 3) + 1; - if (size < rsize) { - dbg_hid("report %d is too short, (%d < %d)\n", report->id, size, rsize); - memset(data + size, 0, rsize - size); + if (csize < rsize) { + dbg_hid("report %d is too short, (%d < %d)\n", report->id, + csize, rsize); + memset(cdata + csize, 0, rsize - csize); } if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) @@ -996,24 +1047,295 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i hidraw_report_event(hid, data, size); } - for (n = 0; n < report->maxfield; n++) - hid_input_field(hid, report->field[n], data, interrupt); + for (a = 0; a < report->maxfield; a++) + hid_input_field(hid, report->field[a], cdata, interrupt); if (hid->claimed & HID_CLAIMED_INPUT) hidinput_report_event(hid, report); +} +EXPORT_SYMBOL_GPL(hid_report_raw_event); + +/** + * hid_input_report - report data from lower layer (usb, bt...) + * + * @hid: hid device + * @type: HID report type (HID_*_REPORT) + * @data: report contents + * @size: size of data parameter + * @interrupt: called from atomic? + * + * This is data entry for lower layers. + */ +int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) +{ + struct hid_report_enum *report_enum = hid->report_enum + type; + struct hid_driver *hdrv = hid->driver; + struct hid_report *report; + unsigned int i; + int ret; + + if (!hid || !hid->driver) + return -ENODEV; + + if (!size) { + dbg_hid("empty report\n"); + return -1; + } + + dbg_hid("report (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un"); + + report = hid_get_report(report_enum, data); + if (!report) + return -1; + + /* dump the report */ + dbg_hid("report %d (size %u) = ", report->id, size); + for (i = 0; i < size; i++) + dbg_hid_line(" %02x", data[i]); + dbg_hid_line("\n"); + + if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { + ret = hdrv->raw_event(hid, report, data, size); + if (ret != 0) + return ret < 0 ? ret : 0; + } + + hid_report_raw_event(hid, type, data, size, interrupt); return 0; } EXPORT_SYMBOL_GPL(hid_input_report); +static bool hid_match_one_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + return id->bus == hdev->bus && + (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && + (id->product == HID_ANY_ID || id->product == hdev->product); +} + +static const struct hid_device_id *hid_match_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + for (; id->bus; id++) + if (hid_match_one_id(hdev, id)) + return id; + + return NULL; +} + +static const struct hid_device_id hid_blacklist[] = { + { } +}; + +static int hid_bus_match(struct device *dev, struct device_driver *drv) +{ + struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + + if (!hid_match_id(hdev, hdrv->id_table)) + return 0; + + /* generic wants all non-blacklisted */ + if (!strncmp(hdrv->name, "generic-", 8)) + return !hid_match_id(hdev, hid_blacklist); + + return 1; +} + +static int hid_device_probe(struct device *dev) +{ + struct hid_driver *hdrv = container_of(dev->driver, + struct hid_driver, driver); + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + const struct hid_device_id *id; + int ret = 0; + + if (!hdev->driver) { + if (hdrv->probe) { + ret = -ENODEV; + + id = hid_match_id(hdev, hdrv->id_table); + if (id) + ret = hdrv->probe(hdev, id); + } + if (!ret) + hdev->driver = hdrv; + } + return ret; +} + +static int hid_device_remove(struct device *dev) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct hid_driver *hdrv = hdev->driver; + + if (hdrv) { + if (hdrv->remove) + hdrv->remove(hdev); + hdev->driver = NULL; + } + + return 0; +} + +static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + + if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", + hdev->bus, hdev->vendor, hdev->product)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) + return -ENOMEM; + + if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", + hdev->bus, hdev->vendor, hdev->product)) + return -ENOMEM; + + return 0; +} + +static struct bus_type hid_bus_type = { + .name = "hid", + .match = hid_bus_match, + .probe = hid_device_probe, + .remove = hid_device_remove, + .uevent = hid_uevent, +}; + +int hid_add_device(struct hid_device *hdev) +{ + static atomic_t id = ATOMIC_INIT(0); + int ret; + + if (WARN_ON(hdev->status & HID_STAT_ADDED)) + return -EBUSY; + + /* XXX hack, any other cleaner solution < 20 bus_id bytes? */ + sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus, + hdev->vendor, hdev->product, atomic_inc_return(&id)); + + ret = device_add(&hdev->dev); + if (!ret) + hdev->status |= HID_STAT_ADDED; + + return ret; +} +EXPORT_SYMBOL_GPL(hid_add_device); + +/** + * hid_allocate_device - allocate new hid device descriptor + * + * Allocate and initialize hid device, so that hid_destroy_device might be + * used to free it. + * + * New hid_device pointer is returned on success, otherwise ERR_PTR encoded + * error value. + */ +struct hid_device *hid_allocate_device(void) +{ + struct hid_device *hdev; + unsigned int i; + int ret = -ENOMEM; + + hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); + if (hdev == NULL) + return ERR_PTR(ret); + + device_initialize(&hdev->dev); + hdev->dev.release = hid_device_release; + hdev->dev.bus = &hid_bus_type; + + hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, + sizeof(struct hid_collection), GFP_KERNEL); + if (hdev->collection == NULL) + goto err; + hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; + + for (i = 0; i < HID_REPORT_TYPES; i++) + INIT_LIST_HEAD(&hdev->report_enum[i].report_list); + + return hdev; +err: + put_device(&hdev->dev); + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(hid_allocate_device); + +static void hid_remove_device(struct hid_device *hdev) +{ + if (hdev->status & HID_STAT_ADDED) { + device_del(&hdev->dev); + hdev->status &= ~HID_STAT_ADDED; + } +} + +/** + * hid_destroy_device - free previously allocated device + * + * @hdev: hid device + * + * If you allocate hid_device through hid_allocate_device, you should ever + * free by this function. + */ +void hid_destroy_device(struct hid_device *hdev) +{ + hid_remove_device(hdev); + put_device(&hdev->dev); +} +EXPORT_SYMBOL_GPL(hid_destroy_device); + +int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, + const char *mod_name) +{ + hdrv->driver.name = hdrv->name; + hdrv->driver.bus = &hid_bus_type; + hdrv->driver.owner = owner; + hdrv->driver.mod_name = mod_name; + + return driver_register(&hdrv->driver); +} +EXPORT_SYMBOL_GPL(__hid_register_driver); + +void hid_unregister_driver(struct hid_driver *hdrv) +{ + driver_unregister(&hdrv->driver); +} +EXPORT_SYMBOL_GPL(hid_unregister_driver); + static int __init hid_init(void) { - return hidraw_init(); + int ret; + + ret = bus_register(&hid_bus_type); + if (ret) { + printk(KERN_ERR "HID: can't register hid bus\n"); + goto err; + } + + ret = hidraw_init(); + if (ret) + goto err_bus; + + return 0; +err_bus: + bus_unregister(&hid_bus_type); +err: + return ret; } static void __exit hid_exit(void) { hidraw_exit(); + bus_unregister(&hid_bus_type); } module_init(hid_init); diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 1b2e8dc3398d..4ae5603804e7 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1032,7 +1032,7 @@ int hidinput_connect(struct hid_device *hid) input_dev->id.vendor = hid->vendor; input_dev->id.product = hid->product; input_dev->id.version = hid->version; - input_dev->dev.parent = hid->dev; + input_dev->dev.parent = hid->dev.parent; hidinput->input = input_dev; list_add_tail(&hidinput->list, &hid->inputs); } diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 27fe4d8912cb..5955d05ae542 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -770,8 +770,15 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) dbg_hid_line(" %02x", (unsigned char) rdesc[n]); dbg_hid_line("\n"); - if (!(hid = hid_parse_report(rdesc, n))) { + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + kfree(rdesc); + return NULL; + } + + if (hid_parse_report(hid, rdesc, n)) { dbg_hid("parsing report descriptor failed\n"); + hid_destroy_device(hid); kfree(rdesc); return NULL; } @@ -798,10 +805,8 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (insize > HID_MAX_BUFFER_SIZE) insize = HID_MAX_BUFFER_SIZE; - if (hid_alloc_buffers(dev, hid)) { - hid_free_buffers(dev, hid); + if (hid_alloc_buffers(dev, hid)) goto fail; - } hid->name[0] = 0; @@ -881,7 +886,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) hid->version = le16_to_cpu(hdesc->bcdHID); hid->country = hdesc->bCountryCode; - hid->dev = &intf->dev; + hid->dev.parent = &intf->dev; usbhid->intf = intf; usbhid->ifnum = interface->desc.bInterfaceNumber; @@ -925,7 +930,7 @@ fail: hid_free_buffers(dev, hid); kfree(usbhid); fail_no_usbhid: - hid_free_device(hid); + hid_destroy_device(hid); return NULL; } @@ -964,14 +969,14 @@ static void hid_disconnect(struct usb_interface *intf) hid_free_buffers(hid_to_usb_dev(hid), hid); kfree(usbhid); - hid_free_device(hid); + hid_destroy_device(hid); } static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct hid_device *hid; char path[64]; - int i; + int i, ret; char *c; dbg_hid("HID probe called for ifnum %d\n", @@ -1037,7 +1042,12 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) printk(": USB HID v%x.%02x %s [%s] on %s\n", hid->version >> 8, hid->version & 0xff, c, hid->name, path); - return 0; + ret = hid_add_device(hid); + if (ret) { + dev_err(&intf->dev, "can't add hid device: %d\n", ret); + hid_disconnect(intf); + } + return ret; } static int hid_suspend(struct usb_interface *intf, pm_message_t message) @@ -1107,9 +1117,22 @@ static struct usb_driver hid_driver = { .supports_autosuspend = 1, }; +static const struct hid_device_id hid_usb_table[] = { + { HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) }, + { } +}; + +static struct hid_driver hid_usb_driver = { + .name = "generic-usb", + .id_table = hid_usb_table, +}; + static int __init hid_init(void) { int retval; + retval = hid_register_driver(&hid_usb_driver); + if (retval) + goto hid_register_fail; retval = usbhid_quirks_init(quirks_param); if (retval) goto usbhid_quirks_init_fail; @@ -1127,6 +1150,8 @@ usb_register_fail: hiddev_init_fail: usbhid_quirks_exit(); usbhid_quirks_init_fail: + hid_unregister_driver(&hid_usb_driver); +hid_register_fail: return retval; } @@ -1135,6 +1160,7 @@ static void __exit hid_exit(void) usb_deregister(&hid_driver); hiddev_exit(); usbhid_quirks_exit(); + hid_unregister_driver(&hid_usb_driver); } module_init(hid_init); diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 62d2d7c925bd..b47f991867e9 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -82,7 +82,7 @@ struct usbhid_device { }; #define hid_to_usb_dev(hid_dev) \ - container_of(hid_dev->dev->parent, struct usb_device, dev) + container_of(hid_dev->dev.parent->parent, struct usb_device, dev) #endif diff --git a/include/linux/hid.h b/include/linux/hid.h index b7a17762a0b2..c4bea0eda85b 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -418,6 +418,8 @@ struct hid_control_fifo { #define HID_CLAIMED_HIDDEV 2 #define HID_CLAIMED_HIDRAW 4 +#define HID_STAT_ADDED 1 + #define HID_CTRL_RUNNING 1 #define HID_OUT_RUNNING 2 #define HID_IN_RUNNING 3 @@ -432,22 +434,26 @@ struct hid_input { struct input_dev *input; }; +struct hid_driver; + struct hid_device { /* device report descriptor */ - __u8 *rdesc; + __u8 *rdesc; unsigned rsize; struct hid_collection *collection; /* List of HID collections */ unsigned collection_size; /* Number of allocated hid_collections */ unsigned maxcollection; /* Number of parsed collections */ unsigned maxapplication; /* Number of applications */ - unsigned short bus; /* BUS ID */ - unsigned short vendor; /* Vendor ID */ - unsigned short product; /* Product ID */ - unsigned version; /* HID version */ + __u16 bus; /* BUS ID */ + __u32 vendor; /* Vendor ID */ + __u32 product; /* Product ID */ + __u32 version; /* HID version */ unsigned country; /* HID country */ struct hid_report_enum report_enum[HID_REPORT_TYPES]; - struct device *dev; /* device */ + struct device dev; /* device */ + struct hid_driver *driver; + unsigned int status; /* see STAT flags above */ unsigned claimed; /* Claimed by hidinput, hiddev? */ unsigned quirks; /* Various quirks the device can pull on us */ @@ -483,6 +489,16 @@ struct hid_device { /* device report descriptor */ #endif }; +static inline void *hid_get_drvdata(struct hid_device *hdev) +{ + return dev_get_drvdata(&hdev->dev); +} + +static inline void hid_set_drvdata(struct hid_device *hdev, void *data) +{ + dev_set_drvdata(&hdev->dev, data); +} + #define HID_GLOBAL_STACK_SIZE 4 #define HID_COLLECTION_STACK_SIZE 4 @@ -511,6 +527,61 @@ struct hid_descriptor { struct hid_class_descriptor desc[1]; } __attribute__ ((packed)); +#define HID_DEVICE(b, ven, prod) \ + .bus = (b), \ + .vendor = (ven), .product = (prod) + +#define HID_USB_DEVICE(ven, prod) HID_DEVICE(BUS_USB, ven, prod) +#define HID_BLUETOOTH_DEVICE(ven, prod) HID_DEVICE(BUS_BLUETOOTH, ven, prod) + +#define HID_REPORT_ID(rep) \ + .report_type = (rep) +#define HID_USAGE_ID(uhid, utype, ucode) \ + .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode) +/* we don't want to catch types and codes equal to 0 */ +#define HID_TERMINATOR (HID_ANY_ID - 1) + +struct hid_report_id { + __u32 report_type; +}; +struct hid_usage_id { + __u32 usage_hid; + __u32 usage_type; + __u32 usage_code; +}; + +/** + * struct hid_driver + * @name: driver name (e.g. "Footech_bar-wheel") + * @id_table: which devices is this driver for (must be non-NULL for probe + * to be called) + * @probe: new device inserted + * @remove: device removed (NULL if not a hot-plug capable driver) + * @report_table: on which reports to call raw_event (NULL means all) + * @raw_event: if report in report_table, this hook is called (NULL means nop) + * @usage_table: on which events to call event (NULL means all) + * @event: if usage in usage_table, this hook is called (NULL means nop) + * + * raw_event and event should return 0 on no action performed, 1 when no + * further processing should be done and negative on error + */ +struct hid_driver { + char *name; + const struct hid_device_id *id_table; + + int (*probe)(struct hid_device *dev, const struct hid_device_id *id); + void (*remove)(struct hid_device *dev); + + const struct hid_report_id *report_table; + int (*raw_event)(struct hid_device *hdev, struct hid_report *report, + u8 *data, int size); + const struct hid_usage_id *usage_table; + int (*event)(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value); +/* private: */ + struct device_driver driver; +}; + /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ /* We ignore a few input applications that are not widely used */ #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002)) @@ -521,6 +592,17 @@ struct hid_descriptor { extern int hid_debug; #endif +extern int hid_add_device(struct hid_device *); +extern void hid_destroy_device(struct hid_device *); + +extern int __must_check __hid_register_driver(struct hid_driver *, + struct module *, const char *mod_name); +static inline int __must_check hid_register_driver(struct hid_driver *driver) +{ + return __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME); +} +extern void hid_unregister_driver(struct hid_driver *); + extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); extern int hidinput_connect(struct hid_device *); @@ -533,8 +615,14 @@ int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned lon int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); void hid_output_report(struct hid_report *report, __u8 *data); -void hid_free_device(struct hid_device *device); -struct hid_device *hid_parse_report(__u8 *start, unsigned size); +struct hid_device *hid_allocate_device(void); +int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); + +void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, + int interrupt); + +extern int hid_generic_init(void); +extern void hid_generic_exit(void); /* HID quirks API */ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 96434d774c84..56a51f91591a 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -578,7 +578,7 @@ static int hidp_session(void *arg) if (session->hid) { if (session->hid->claimed & HID_CLAIMED_INPUT) hidinput_disconnect(session->hid); - hid_free_device(session->hid); + hid_destroy_device(session->hid); } /* Wakeup user-space polling for socket errors */ @@ -698,12 +698,13 @@ static void hidp_setup_quirks(struct hid_device *hid) hid->quirks = hidp_blacklist[n].quirks; } -static void hidp_setup_hid(struct hidp_session *session, +static int hidp_setup_hid(struct hidp_session *session, struct hidp_connadd_req *req) { struct hid_device *hid = session->hid; struct hid_report *report; bdaddr_t src, dst; + int ret; baswap(&src, &bt_sk(session->ctrl_sock->sk)->src); baswap(&dst, &bt_sk(session->ctrl_sock->sk)->dst); @@ -721,7 +722,7 @@ static void hidp_setup_hid(struct hidp_session *session, strncpy(hid->phys, batostr(&src), 64); strncpy(hid->uniq, batostr(&dst), 64); - hid->dev = hidp_get_device(session); + hid->dev.parent = hidp_get_device(session); hid->hid_open = hidp_open; hid->hid_close = hidp_close; @@ -738,6 +739,15 @@ static void hidp_setup_hid(struct hidp_session *session, if (hidinput_connect(hid) == 0) hid->claimed |= HID_CLAIMED_INPUT; + + ret = hid_add_device(hid); + if (ret) { + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_disconnect(hid); + skb_queue_purge(&session->intr_transmit); + } + + return ret; } int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, struct socket *intr_sock) @@ -771,11 +781,19 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, return -EFAULT; } - session->hid = hid_parse_report(buf, req->rd_size); + session->hid = hid_allocate_device(); + if (IS_ERR(session->hid)) { + kfree(buf); + kfree(session); + return PTR_ERR(session->hid); + } + + err = hid_parse_report(session->hid, buf, req->rd_size); kfree(buf); - if (!session->hid) { + if (err) { + hid_destroy_device(session->hid); kfree(session); return -EINVAL; } @@ -822,8 +840,11 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, goto failed; } - if (session->hid) - hidp_setup_hid(session, req); + if (session->hid) { + err = hidp_setup_hid(session, req); + if (err) + goto failed; + } __hidp_link_session(session); @@ -859,7 +880,7 @@ failed: up_write(&hidp_session_sem); if (session->hid) - hid_free_device(session->hid); + hid_destroy_device(session->hid); input_free_device(session->input); kfree(session); @@ -950,18 +971,43 @@ int hidp_get_conninfo(struct hidp_conninfo *ci) return err; } +static const struct hid_device_id hidp_table[] = { + { HID_BLUETOOTH_DEVICE(HID_ANY_ID, HID_ANY_ID) }, + { } +}; + +static struct hid_driver hidp_driver = { + .name = "generic-bluetooth", + .id_table = hidp_table, +}; + static int __init hidp_init(void) { + int ret; + l2cap_load(); BT_INFO("HIDP (Human Interface Emulation) ver %s", VERSION); - return hidp_init_sockets(); + ret = hid_register_driver(&hidp_driver); + if (ret) + goto err; + + ret = hidp_init_sockets(); + if (ret) + goto err_drv; + + return 0; +err_drv: + hid_unregister_driver(&hidp_driver); +err: + return ret; } static void __exit hidp_exit(void) { hidp_cleanup_sockets(); + hid_unregister_driver(&hidp_driver); } module_init(hidp_init); -- GitLab From c500c9714011edab021591340042787722db9cf0 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:16 +0200 Subject: [PATCH 4761/6244] HID: hid, make parsing event driven Next step for complete hid bus, this patch includes: - call parser either from probe or from hid-core if there is no probe. - add ll_driver structure and centralize some stuff there (open, close...) - split and merge usb_hid_configure and hid_probe into several functions to allow hooks/fixes between them Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 24 ++- drivers/hid/hid-input.c | 20 ++- drivers/hid/hidraw.c | 6 +- drivers/hid/usbhid/hid-core.c | 330 ++++++++++++++++++++-------------- include/linux/hid.h | 104 ++++++++++- net/bluetooth/hidp/core.c | 191 +++++++++++--------- net/bluetooth/hidp/hidp.h | 2 + 7 files changed, 438 insertions(+), 239 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 017fc20167d4..3dacbcd7e41c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -648,6 +648,9 @@ int hid_parse_report(struct hid_device *device, __u8 *start, hid_parser_reserved }; + if (device->driver->report_fixup) + device->driver->report_fixup(device, start, size); + device->rdesc = kmalloc(size, GFP_KERNEL); if (device->rdesc == NULL) return -ENOMEM; @@ -1152,15 +1155,20 @@ static int hid_device_probe(struct device *dev) int ret = 0; if (!hdev->driver) { - if (hdrv->probe) { - ret = -ENODEV; + id = hid_match_id(hdev, hdrv->id_table); + if (id == NULL) + return -ENODEV; - id = hid_match_id(hdev, hdrv->id_table); - if (id) - ret = hdrv->probe(hdev, id); + hdev->driver = hdrv; + if (hdrv->probe) { + ret = hdrv->probe(hdev, id); + } else { /* default probe */ + ret = hid_parse(hdev); + if (!ret) + ret = hid_hw_start(hdev); } - if (!ret) - hdev->driver = hdrv; + if (ret) + hdev->driver = NULL; } return ret; } @@ -1173,6 +1181,8 @@ static int hid_device_remove(struct device *dev) if (hdrv) { if (hdrv->remove) hdrv->remove(hdev); + else /* default remove */ + hid_hw_stop(hdev); hdev->driver = NULL; } diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 4ae5603804e7..9fa7239ab310 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -390,6 +390,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel if (ret) goto mapped; + if (device->driver->input_mapping) { + int ret = device->driver->input_mapping(device, hidinput, field, + usage, &bit, &max); + if (ret > 0) + goto mapped; + if (ret < 0) + goto ignore; + } + switch (usage->hid & HID_USAGE_PAGE) { case HID_UP_UNDEFINED: @@ -755,6 +764,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } mapped: + if (device->driver->input_mapped && device->driver->input_mapped(device, + hidinput, field, usage, &bit, &max) < 0) + goto ignore; + if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { if (usage->hid == HID_GD_Z) map_rel(REL_HWHEEL); @@ -961,14 +974,14 @@ static int hidinput_open(struct input_dev *dev) { struct hid_device *hid = input_get_drvdata(dev); - return hid->hid_open(hid); + return hid->ll_driver->open(hid); } static void hidinput_close(struct input_dev *dev) { struct hid_device *hid = input_get_drvdata(dev); - hid->hid_close(hid); + hid->ll_driver->close(hid); } /* @@ -1019,7 +1032,8 @@ int hidinput_connect(struct hid_device *hid) } input_set_drvdata(input_dev, hid); - input_dev->event = hid->hidinput_input_event; + input_dev->event = + hid->ll_driver->hidinput_input_event; input_dev->open = hidinput_open; input_dev->close = hidinput_close; input_dev->setkeycode = hidinput_setkeycode; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index c40f0403edaf..4be240e74d4f 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -181,7 +181,7 @@ static int hidraw_open(struct inode *inode, struct file *file) dev = hidraw_table[minor]; if (!dev->open++) - dev->hid->hid_open(dev->hid); + dev->hid->ll_driver->open(dev->hid); out_unlock: spin_unlock(&minors_lock); @@ -207,7 +207,7 @@ static int hidraw_release(struct inode * inode, struct file * file) dev = hidraw_table[minor]; if (!dev->open--) { if (list->hidraw->exist) - dev->hid->hid_close(dev->hid); + dev->hid->ll_driver->close(dev->hid); else kfree(list->hidraw); } @@ -367,7 +367,7 @@ void hidraw_disconnect(struct hid_device *hid) device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); if (hidraw->open) { - hid->hid_close(hid); + hid->ll_driver->close(hid); wake_up_interruptible(&hidraw->wait); } else { kfree(hidraw); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 5955d05ae542..d2a3461909a3 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -701,17 +701,84 @@ static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum) kfree(buf); } -static struct hid_device *usb_hid_configure(struct usb_interface *intf) +static int usbhid_start_finish(struct hid_device *hid) { + struct usb_interface *intf = to_usb_interface(hid->dev.parent); + char path[64], *type; + unsigned int i; + + usbhid_init_reports(hid); + hid_dump_device(hid); + if (hid->quirks & HID_QUIRK_RESET_LEDS) + usbhid_set_leds(hid); + + if (!hidinput_connect(hid)) + hid->claimed |= HID_CLAIMED_INPUT; + if (!hiddev_connect(hid)) + hid->claimed |= HID_CLAIMED_HIDDEV; + if (!hidraw_connect(hid)) + hid->claimed |= HID_CLAIMED_HIDRAW; + + if (!hid->claimed) { + printk(KERN_ERR "HID device claimed by neither input, hiddev " + "nor hidraw\n"); + return -ENODEV; + } + + if ((hid->claimed & HID_CLAIMED_INPUT)) + hid_ff_init(hid); + + if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER) + hid_fixup_sony_ps3_controller(interface_to_usbdev(intf), + intf->cur_altsetting->desc.bInterfaceNumber); + + printk(KERN_INFO); + + if (hid->claimed & HID_CLAIMED_INPUT) + printk("input"); + if ((hid->claimed & HID_CLAIMED_INPUT) && + ((hid->claimed & HID_CLAIMED_HIDDEV) || + hid->claimed & HID_CLAIMED_HIDRAW)) + printk(","); + if (hid->claimed & HID_CLAIMED_HIDDEV) + printk("hiddev%d", hid->minor); + if ((hid->claimed & HID_CLAIMED_INPUT) && + (hid->claimed & HID_CLAIMED_HIDDEV) && + (hid->claimed & HID_CLAIMED_HIDRAW)) + printk(","); + if (hid->claimed & HID_CLAIMED_HIDRAW) + printk("hidraw%d", ((struct hidraw *)hid->hidraw)->minor); + + type = "Device"; + for (i = 0; i < hid->maxcollection; i++) { + if (hid->collection[i].type == HID_COLLECTION_APPLICATION && + (hid->collection[i].usage & HID_USAGE_PAGE) == + HID_UP_GENDESK && + (hid->collection[i].usage & 0xffff) < + ARRAY_SIZE(hid_types)) { + type = hid_types[hid->collection[i].usage & 0xffff]; + break; + } + } + + usb_make_path(interface_to_usbdev(intf), path, 63); + + printk(": USB HID v%x.%02x %s [%s] on %s\n", + hid->version >> 8, hid->version & 0xff, type, hid->name, path); + + return 0; +} + +static int usbhid_parse(struct hid_device *hid) +{ + struct usb_interface *intf = to_usb_interface(hid->dev.parent); struct usb_host_interface *interface = intf->cur_altsetting; struct usb_device *dev = interface_to_usbdev (intf); struct hid_descriptor *hdesc; - struct hid_device *hid; u32 quirks = 0; - unsigned int insize = 0, rsize = 0; + unsigned int rsize = 0; char *rdesc; - int n, len; - struct usbhid_device *usbhid; + int ret, n; quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor), le16_to_cpu(dev->descriptor.idProduct)); @@ -725,40 +792,44 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) } if (quirks & HID_QUIRK_IGNORE) - return NULL; + return -ENODEV; if ((quirks & HID_QUIRK_IGNORE_MOUSE) && (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)) - return NULL; - + return -ENODEV; if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && (!interface->desc.bNumEndpoints || usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) { dbg_hid("class descriptor not present\n"); - return NULL; + return -ENODEV; } + hid->version = le16_to_cpu(hdesc->bcdHID); + hid->country = hdesc->bCountryCode; + for (n = 0; n < hdesc->bNumDescriptors; n++) if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT) rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { dbg_hid("weird size of report descriptor (%u)\n", rsize); - return NULL; + return -EINVAL; } if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) { dbg_hid("couldn't allocate rdesc memory\n"); - return NULL; + return -ENOMEM; } hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0); - if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) { + ret = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, + HID_DT_REPORT, rdesc, rsize); + if (ret < 0) { dbg_hid("reading report descriptor failed\n"); kfree(rdesc); - return NULL; + goto err; } usbhid_fixup_report_descriptor(le16_to_cpu(dev->descriptor.idVendor), @@ -770,24 +841,36 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) dbg_hid_line(" %02x", (unsigned char) rdesc[n]); dbg_hid_line("\n"); - hid = hid_allocate_device(); - if (IS_ERR(hid)) { - kfree(rdesc); - return NULL; - } - - if (hid_parse_report(hid, rdesc, n)) { + ret = hid_parse_report(hid, rdesc, rsize); + kfree(rdesc); + if (ret) { dbg_hid("parsing report descriptor failed\n"); - hid_destroy_device(hid); - kfree(rdesc); - return NULL; + goto err; } - kfree(rdesc); hid->quirks = quirks; - if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL))) - goto fail_no_usbhid; + return 0; +err: + return ret; +} + +static int usbhid_start(struct hid_device *hid) +{ + struct usb_interface *intf = to_usb_interface(hid->dev.parent); + struct usb_host_interface *interface = intf->cur_altsetting; + struct usb_device *dev = interface_to_usbdev(intf); + struct usbhid_device *usbhid; + unsigned int n, insize = 0; + int ret; + + WARN_ON(hid->driver_data); + + usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL); + if (usbhid == NULL) { + ret = -ENOMEM; + goto err; + } hid->driver_data = usbhid; usbhid->hid = hid; @@ -805,27 +888,12 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (insize > HID_MAX_BUFFER_SIZE) insize = HID_MAX_BUFFER_SIZE; - if (hid_alloc_buffers(dev, hid)) + if (hid_alloc_buffers(dev, hid)) { + ret = -ENOMEM; goto fail; - - hid->name[0] = 0; - - if (dev->manufacturer) - strlcpy(hid->name, dev->manufacturer, sizeof(hid->name)); - - if (dev->product) { - if (dev->manufacturer) - strlcat(hid->name, " ", sizeof(hid->name)); - strlcat(hid->name, dev->product, sizeof(hid->name)); } - if (!strlen(hid->name)) - snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x", - le16_to_cpu(dev->descriptor.idVendor), - le16_to_cpu(dev->descriptor.idProduct)); - for (n = 0; n < interface->desc.bNumEndpoints; n++) { - struct usb_endpoint_descriptor *endpoint; int pipe; int interval; @@ -837,7 +905,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) interval = endpoint->bInterval; /* Some vendors give fullspeed interval on highspeed devides */ - if (quirks & HID_QUIRK_FULLSPEED_INTERVAL && + if (hid->quirks & HID_QUIRK_FULLSPEED_INTERVAL && dev->speed == USB_SPEED_HIGH) { interval = fls(endpoint->bInterval*8); printk(KERN_INFO "%s: Fixing fullspeed to highspeed interval: %d -> %d\n", @@ -848,6 +916,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0) interval = hid_mousepoll_interval; + ret = -ENOMEM; if (usb_endpoint_dir_in(endpoint)) { if (usbhid->urbin) continue; @@ -873,6 +942,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (!usbhid->urbin) { err_hid("couldn't find an input interrupt endpoint"); + ret = -ENODEV; goto fail; } @@ -884,44 +954,26 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) spin_lock_init(&usbhid->outlock); spin_lock_init(&usbhid->ctrllock); - hid->version = le16_to_cpu(hdesc->bcdHID); - hid->country = hdesc->bCountryCode; - hid->dev.parent = &intf->dev; usbhid->intf = intf; usbhid->ifnum = interface->desc.bInterfaceNumber; - hid->bus = BUS_USB; - hid->vendor = le16_to_cpu(dev->descriptor.idVendor); - hid->product = le16_to_cpu(dev->descriptor.idProduct); - - usb_make_path(dev, hid->phys, sizeof(hid->phys)); - strlcat(hid->phys, "/input", sizeof(hid->phys)); - len = strlen(hid->phys); - if (len < sizeof(hid->phys) - 1) - snprintf(hid->phys + len, sizeof(hid->phys) - len, - "%d", intf->altsetting[0].desc.bInterfaceNumber); - - if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0) - hid->uniq[0] = 0; - usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL); - if (!usbhid->urbctrl) + if (!usbhid->urbctrl) { + ret = -ENOMEM; goto fail; + } usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr, usbhid->ctrlbuf, 1, hid_ctrl, hid); usbhid->urbctrl->setup_dma = usbhid->cr_dma; usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); - hid->hidinput_input_event = usb_hidinput_input_event; - hid->hid_open = usbhid_open; - hid->hid_close = usbhid_close; -#ifdef CONFIG_USB_HIDDEV - hid->hiddev_hid_event = hiddev_hid_event; - hid->hiddev_report_event = hiddev_report_event; -#endif - hid->hid_output_raw_report = usbhid_output_raw_report; - return hid; + + ret = usbhid_start_finish(hid); + if (ret) + goto fail; + + return 0; fail: usb_free_urb(usbhid->urbin); @@ -929,24 +981,18 @@ fail: usb_free_urb(usbhid->urbctrl); hid_free_buffers(dev, hid); kfree(usbhid); -fail_no_usbhid: - hid_destroy_device(hid); - - return NULL; +err: + return ret; } -static void hid_disconnect(struct usb_interface *intf) +static void usbhid_stop(struct hid_device *hid) { - struct hid_device *hid = usb_get_intfdata (intf); - struct usbhid_device *usbhid; + struct usbhid_device *usbhid = hid->driver_data; - if (!hid) + if (WARN_ON(!usbhid)) return; - usbhid = hid->driver_data; - spin_lock_irq(&usbhid->inlock); /* Sync with error handler */ - usb_set_intfdata(intf, NULL); set_bit(HID_DISCONNECTED, &usbhid->iofl); spin_unlock_irq(&usbhid->inlock); usb_kill_urb(usbhid->urbin); @@ -963,93 +1009,99 @@ static void hid_disconnect(struct usb_interface *intf) if (hid->claimed & HID_CLAIMED_HIDRAW) hidraw_disconnect(hid); + hid->claimed = 0; + usb_free_urb(usbhid->urbin); usb_free_urb(usbhid->urbctrl); usb_free_urb(usbhid->urbout); hid_free_buffers(hid_to_usb_dev(hid), hid); kfree(usbhid); - hid_destroy_device(hid); + hid->driver_data = NULL; } +static struct hid_ll_driver usb_hid_driver = { + .parse = usbhid_parse, + .start = usbhid_start, + .stop = usbhid_stop, + .open = usbhid_open, + .close = usbhid_close, + .hidinput_input_event = usb_hidinput_input_event, +}; + static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) { + struct usb_device *dev = interface_to_usbdev(intf); struct hid_device *hid; - char path[64]; - int i, ret; - char *c; + size_t len; + int ret; dbg_hid("HID probe called for ifnum %d\n", intf->altsetting->desc.bInterfaceNumber); - if (!(hid = usb_hid_configure(intf))) - return -ENODEV; - - usbhid_init_reports(hid); - hid_dump_device(hid); - if (hid->quirks & HID_QUIRK_RESET_LEDS) - usbhid_set_leds(hid); - - if (!hidinput_connect(hid)) - hid->claimed |= HID_CLAIMED_INPUT; - if (!hiddev_connect(hid)) - hid->claimed |= HID_CLAIMED_HIDDEV; - if (!hidraw_connect(hid)) - hid->claimed |= HID_CLAIMED_HIDRAW; + hid = hid_allocate_device(); + if (IS_ERR(hid)) + return PTR_ERR(hid); usb_set_intfdata(intf, hid); + hid->ll_driver = &usb_hid_driver; + hid->hid_output_raw_report = usbhid_output_raw_report; +#ifdef CONFIG_USB_HIDDEV + hid->hiddev_hid_event = hiddev_hid_event; + hid->hiddev_report_event = hiddev_report_event; +#endif + hid->dev.parent = &intf->dev; + hid->bus = BUS_USB; + hid->vendor = le16_to_cpu(dev->descriptor.idVendor); + hid->product = le16_to_cpu(dev->descriptor.idProduct); + hid->name[0] = 0; - if (!hid->claimed) { - printk ("HID device claimed by neither input, hiddev nor hidraw\n"); - hid_disconnect(intf); - return -ENODEV; - } - - if ((hid->claimed & HID_CLAIMED_INPUT)) - hid_ff_init(hid); - - if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER) - hid_fixup_sony_ps3_controller(interface_to_usbdev(intf), - intf->cur_altsetting->desc.bInterfaceNumber); - - printk(KERN_INFO); - - if (hid->claimed & HID_CLAIMED_INPUT) - printk("input"); - if ((hid->claimed & HID_CLAIMED_INPUT) && ((hid->claimed & HID_CLAIMED_HIDDEV) || - hid->claimed & HID_CLAIMED_HIDRAW)) - printk(","); - if (hid->claimed & HID_CLAIMED_HIDDEV) - printk("hiddev%d", hid->minor); - if ((hid->claimed & HID_CLAIMED_INPUT) && (hid->claimed & HID_CLAIMED_HIDDEV) && - (hid->claimed & HID_CLAIMED_HIDRAW)) - printk(","); - if (hid->claimed & HID_CLAIMED_HIDRAW) - printk("hidraw%d", ((struct hidraw*)hid->hidraw)->minor); + if (dev->manufacturer) + strlcpy(hid->name, dev->manufacturer, sizeof(hid->name)); - c = "Device"; - for (i = 0; i < hid->maxcollection; i++) { - if (hid->collection[i].type == HID_COLLECTION_APPLICATION && - (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK && - (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) { - c = hid_types[hid->collection[i].usage & 0xffff]; - break; - } + if (dev->product) { + if (dev->manufacturer) + strlcat(hid->name, " ", sizeof(hid->name)); + strlcat(hid->name, dev->product, sizeof(hid->name)); } - usb_make_path(interface_to_usbdev(intf), path, 63); + if (!strlen(hid->name)) + snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); - printk(": USB HID v%x.%02x %s [%s] on %s\n", - hid->version >> 8, hid->version & 0xff, c, hid->name, path); + usb_make_path(dev, hid->phys, sizeof(hid->phys)); + strlcat(hid->phys, "/input", sizeof(hid->phys)); + len = strlen(hid->phys); + if (len < sizeof(hid->phys) - 1) + snprintf(hid->phys + len, sizeof(hid->phys) - len, + "%d", intf->altsetting[0].desc.bInterfaceNumber); + + if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0) + hid->uniq[0] = 0; ret = hid_add_device(hid); if (ret) { dev_err(&intf->dev, "can't add hid device: %d\n", ret); - hid_disconnect(intf); + goto err; } + + return 0; +err: + hid_destroy_device(hid); return ret; } +static void hid_disconnect(struct usb_interface *intf) +{ + struct hid_device *hid = usb_get_intfdata(intf); + + if (WARN_ON(!hid)) + return; + + hid_destroy_device(hid); +} + static int hid_suspend(struct usb_interface *intf, pm_message_t message) { struct hid_device *hid = usb_get_intfdata (intf); diff --git a/include/linux/hid.h b/include/linux/hid.h index c4bea0eda85b..ac2584fe65c5 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -419,6 +419,7 @@ struct hid_control_fifo { #define HID_CLAIMED_HIDRAW 4 #define HID_STAT_ADDED 1 +#define HID_STAT_PARSED 2 #define HID_CTRL_RUNNING 1 #define HID_OUT_RUNNING 2 @@ -435,6 +436,7 @@ struct hid_input { }; struct hid_driver; +struct hid_ll_driver; struct hid_device { /* device report descriptor */ __u8 *rdesc; @@ -452,6 +454,7 @@ struct hid_device { /* device report descriptor */ struct device dev; /* device */ struct hid_driver *driver; + struct hid_ll_driver *ll_driver; unsigned int status; /* see STAT flags above */ unsigned claimed; /* Claimed by hidinput, hiddev? */ @@ -471,11 +474,6 @@ struct hid_device { /* device report descriptor */ __s32 delayed_value; /* For A4 Tech mice hwheel quirk */ - /* device-specific function pointers */ - int (*hidinput_input_event) (struct input_dev *, unsigned int, unsigned int, int); - int (*hid_open) (struct hid_device *); - void (*hid_close) (struct hid_device *); - /* hiddev event handler */ void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, struct hid_usage *, __s32); @@ -561,9 +559,22 @@ struct hid_usage_id { * @raw_event: if report in report_table, this hook is called (NULL means nop) * @usage_table: on which events to call event (NULL means all) * @event: if usage in usage_table, this hook is called (NULL means nop) + * @report_fixup: called before report descriptor parsing (NULL means nop) + * @input_mapping: invoked on input registering before mapping an usage + * @input_mapped: invoked on input registering after mapping an usage * * raw_event and event should return 0 on no action performed, 1 when no * further processing should be done and negative on error + * + * input_mapping shall return a negative value to completely ignore this usage + * (e.g. doubled or invalid usage), zero to continue with parsing of this + * usage by generic code (no special handling needed) or positive to skip + * generic parsing (needed special handling which was done in the hook already) + * input_mapped shall return negative to inform the layer that this usage + * should not be considered for further processing or zero to notify that + * no processing was performed and should be done in a generic manner + * Both these functions may be NULL which means the same behavior as returning + * zero from them. */ struct hid_driver { char *name; @@ -578,10 +589,43 @@ struct hid_driver { const struct hid_usage_id *usage_table; int (*event)(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value); + + void (*report_fixup)(struct hid_device *hdev, __u8 *buf, + unsigned int size); + + int (*input_mapping)(struct hid_device *hdev, + struct hid_input *hidinput, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max); + int (*input_mapped)(struct hid_device *hdev, + struct hid_input *hidinput, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max); /* private: */ struct device_driver driver; }; +/** + * hid_ll_driver - low level driver callbacks + * @start: called on probe to start the device + * @stop: called on remove + * @open: called by input layer on open + * @close: called by input layer on close + * @hidinput_input_event: event input event (e.g. ff or leds) + * @parse: this method is called only once to parse the device data, + * shouldn't allocate anything to not leak memory + */ +struct hid_ll_driver { + int (*start)(struct hid_device *hdev); + void (*stop)(struct hid_device *hdev); + + int (*open)(struct hid_device *hdev); + void (*close)(struct hid_device *hdev); + + int (*hidinput_input_event) (struct input_dev *idev, unsigned int type, + unsigned int code, int value); + + int (*parse)(struct hid_device *hdev); +}; + /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ /* We ignore a few input applications that are not widely used */ #define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002)) @@ -618,6 +662,56 @@ void hid_output_report(struct hid_report *report, __u8 *data); struct hid_device *hid_allocate_device(void); int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); +/** + * hid_parse - parse HW reports + * + * @hdev: hid device + * + * Call this from probe after you set up the device (if needed). Your + * report_fixup will be called (if non-NULL) after reading raw report from + * device before passing it to hid layer for real parsing. + */ +static inline int __must_check hid_parse(struct hid_device *hdev) +{ + int ret; + + if (hdev->status & HID_STAT_PARSED) + return 0; + + ret = hdev->ll_driver->parse(hdev); + if (!ret) + hdev->status |= HID_STAT_PARSED; + + return ret; +} + +/** + * hid_hw_start - start underlaying HW + * + * @hdev: hid device + * + * Call this in probe function *after* hid_parse. This will setup HW buffers + * and start the device (if not deffered to device open). hid_hw_stop must be + * called if this was successfull. + */ +static inline int __must_check hid_hw_start(struct hid_device *hdev) +{ + return hdev->ll_driver->start(hdev); +} + +/** + * hid_hw_stop - stop underlaying HW + * + * @hdev: hid device + * + * This is usually called from remove function or from probe when something + * failed and hid_hw_start was called already. + */ +static inline void hid_hw_stop(struct hid_device *hdev) +{ + hdev->ll_driver->stop(hdev); +} + void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, int interrupt); diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 56a51f91591a..d8029cfcd452 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -623,9 +623,15 @@ static struct device *hidp_get_device(struct hidp_session *session) static int hidp_setup_input(struct hidp_session *session, struct hidp_connadd_req *req) { - struct input_dev *input = session->input; + struct input_dev *input; int i; + input = input_allocate_device(); + if (!input) + return -ENOMEM; + + session->input = input; + input_set_drvdata(input, session); input->name = "Bluetooth HID Boot Protocol Device"; @@ -698,55 +704,117 @@ static void hidp_setup_quirks(struct hid_device *hid) hid->quirks = hidp_blacklist[n].quirks; } +static int hidp_parse(struct hid_device *hid) +{ + struct hidp_session *session = hid->driver_data; + struct hidp_connadd_req *req = session->req; + unsigned char *buf; + int ret; + + buf = kmalloc(req->rd_size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, req->rd_data, req->rd_size)) { + kfree(buf); + return -EFAULT; + } + + ret = hid_parse_report(session->hid, buf, req->rd_size); + + kfree(buf); + + if (ret) + return ret; + + session->req = NULL; + + hidp_setup_quirks(hid); + return 0; +} + +static int hidp_start(struct hid_device *hid) +{ + struct hidp_session *session = hid->driver_data; + struct hid_report *report; + + list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT]. + report_list, list) + hidp_send_report(session, report); + + list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT]. + report_list, list) + hidp_send_report(session, report); + + if (hidinput_connect(hid) == 0) + hid->claimed |= HID_CLAIMED_INPUT; + + return 0; +} + +static void hidp_stop(struct hid_device *hid) +{ + struct hidp_session *session = hid->driver_data; + + skb_queue_purge(&session->ctrl_transmit); + skb_queue_purge(&session->intr_transmit); + + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_disconnect(hid); + hid->claimed = 0; +} + +static struct hid_ll_driver hidp_hid_driver = { + .parse = hidp_parse, + .start = hidp_start, + .stop = hidp_stop, + .open = hidp_open, + .close = hidp_close, + .hidinput_input_event = hidp_hidinput_event, +}; + static int hidp_setup_hid(struct hidp_session *session, struct hidp_connadd_req *req) { - struct hid_device *hid = session->hid; - struct hid_report *report; + struct hid_device *hid; bdaddr_t src, dst; int ret; - baswap(&src, &bt_sk(session->ctrl_sock->sk)->src); - baswap(&dst, &bt_sk(session->ctrl_sock->sk)->dst); + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + ret = PTR_ERR(session->hid); + goto err; + } + session->hid = hid; + session->req = req; hid->driver_data = session; - hid->country = req->country; + baswap(&src, &bt_sk(session->ctrl_sock->sk)->src); + baswap(&dst, &bt_sk(session->ctrl_sock->sk)->dst); hid->bus = BUS_BLUETOOTH; hid->vendor = req->vendor; hid->product = req->product; hid->version = req->version; + hid->country = req->country; strncpy(hid->name, req->name, 128); strncpy(hid->phys, batostr(&src), 64); strncpy(hid->uniq, batostr(&dst), 64); hid->dev.parent = hidp_get_device(session); - - hid->hid_open = hidp_open; - hid->hid_close = hidp_close; - - hid->hidinput_input_event = hidp_hidinput_event; - - hidp_setup_quirks(hid); - - list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list) - hidp_send_report(session, report); - - list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list) - hidp_send_report(session, report); - - if (hidinput_connect(hid) == 0) - hid->claimed |= HID_CLAIMED_INPUT; + hid->ll_driver = &hidp_hid_driver; ret = hid_add_device(hid); - if (ret) { - if (hid->claimed & HID_CLAIMED_INPUT) - hidinput_disconnect(hid); - skb_queue_purge(&session->intr_transmit); - } + if (ret) + goto err_hid; + return 0; +err_hid: + hid_destroy_device(hid); + session->hid = NULL; +err: return ret; } @@ -767,46 +835,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, BT_DBG("rd_data %p rd_size %d", req->rd_data, req->rd_size); - if (req->rd_size > 0) { - unsigned char *buf = kmalloc(req->rd_size, GFP_KERNEL); - - if (!buf) { - kfree(session); - return -ENOMEM; - } - - if (copy_from_user(buf, req->rd_data, req->rd_size)) { - kfree(buf); - kfree(session); - return -EFAULT; - } - - session->hid = hid_allocate_device(); - if (IS_ERR(session->hid)) { - kfree(buf); - kfree(session); - return PTR_ERR(session->hid); - } - - err = hid_parse_report(session->hid, buf, req->rd_size); - - kfree(buf); - - if (err) { - hid_destroy_device(session->hid); - kfree(session); - return -EINVAL; - } - } - - if (!session->hid) { - session->input = input_allocate_device(); - if (!session->input) { - kfree(session); - return -ENOMEM; - } - } - down_write(&hidp_session_sem); s = __hidp_get_session(&bt_sk(ctrl_sock->sk)->dst); @@ -834,16 +862,16 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, session->flags = req->flags & (1 << HIDP_BLUETOOTH_VENDOR_ID); session->idle_to = req->idle_to; - if (session->input) { - err = hidp_setup_input(session, req); - if (err < 0) - goto failed; - } - - if (session->hid) { + if (req->rd_size > 0) { err = hidp_setup_hid(session, req); if (err) - goto failed; + goto err_skb; + } + + if (!session->hid) { + err = hidp_setup_input(session, req); + if (err < 0) + goto err_skb; } __hidp_link_session(session); @@ -871,16 +899,15 @@ unlink: __hidp_unlink_session(session); - if (session->input) { + if (session->input) input_unregister_device(session->input); - session->input = NULL; /* don't try to free it here */ - } - -failed: - up_write(&hidp_session_sem); - if (session->hid) hid_destroy_device(session->hid); +err_skb: + skb_queue_purge(&session->ctrl_transmit); + skb_queue_purge(&session->intr_transmit); +failed: + up_write(&hidp_session_sem); input_free_device(session->input); kfree(session); diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h index 343fb0566b3e..e503c89057ad 100644 --- a/net/bluetooth/hidp/hidp.h +++ b/net/bluetooth/hidp/hidp.h @@ -151,6 +151,8 @@ struct hidp_session { struct sk_buff_head ctrl_transmit; struct sk_buff_head intr_transmit; + + struct hidp_connadd_req *req; }; static inline void hidp_schedule(struct hidp_session *session) -- GitLab From 990436a7c9d0e5d395b83d79cfa32f89b8144e5b Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 4 Jun 2008 11:02:56 +0200 Subject: [PATCH 4762/6244] HID: move ids into separate file Move ids from hid-quirks.c into separate file, since it will be needed in more than one place. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-ids.h | 428 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 407 +----------------------------- 2 files changed, 429 insertions(+), 406 deletions(-) create mode 100644 drivers/hid/hid-ids.h diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h new file mode 100644 index 000000000000..f4ef84ebe97b --- /dev/null +++ b/drivers/hid/hid-ids.h @@ -0,0 +1,428 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#ifndef HID_IDS_H_FILE +#define HID_IDS_H_FILE + +#define USB_VENDOR_ID_A4TECH 0x09da +#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 +#define USB_DEVICE_ID_A4TECH_X5_005D 0x000a + +#define USB_VENDOR_ID_AASHIMA 0x06d6 +#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025 +#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026 + +#define USB_VENDOR_ID_ACECAD 0x0460 +#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004 +#define USB_DEVICE_ID_ACECAD_302 0x0008 + +#define USB_VENDOR_ID_ADS_TECH 0x06e1 +#define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X 0xa155 + +#define USB_VENDOR_ID_AFATECH 0x15a4 +#define USB_DEVICE_ID_AFATECH_AF9016 0x9016 + +#define USB_VENDOR_ID_AIPTEK 0x08ca +#define USB_DEVICE_ID_AIPTEK_01 0x0001 +#define USB_DEVICE_ID_AIPTEK_10 0x0010 +#define USB_DEVICE_ID_AIPTEK_20 0x0020 +#define USB_DEVICE_ID_AIPTEK_21 0x0021 +#define USB_DEVICE_ID_AIPTEK_22 0x0022 +#define USB_DEVICE_ID_AIPTEK_23 0x0023 +#define USB_DEVICE_ID_AIPTEK_24 0x0024 + +#define USB_VENDOR_ID_AIRCABLE 0x16CA +#define USB_DEVICE_ID_AIRCABLE1 0x1502 + +#define USB_VENDOR_ID_ALCOR 0x058f +#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720 + +#define USB_VENDOR_ID_ALPS 0x0433 +#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 + +#define USB_VENDOR_ID_APPLE 0x05ac +#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f +#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214 +#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215 +#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216 +#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217 +#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218 +#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219 +#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a +#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b +#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c +#define USB_DEVICE_ID_APPLE_ALU_ANSI 0x0220 +#define USB_DEVICE_ID_APPLE_ALU_ISO 0x0221 +#define USB_DEVICE_ID_APPLE_ALU_JIS 0x0222 +#define USB_DEVICE_ID_APPLE_WELLSPRING_ANSI 0x0223 +#define USB_DEVICE_ID_APPLE_WELLSPRING_ISO 0x0224 +#define USB_DEVICE_ID_APPLE_WELLSPRING_JIS 0x0225 +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI 0x0229 +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO 0x022a +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS 0x022b +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI 0x022c +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO 0x022d +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS 0x022e +#define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230 +#define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231 +#define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a +#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b +#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242 + +#define USB_VENDOR_ID_ASUS 0x0b05 +#define USB_DEVICE_ID_ASUS_LCM 0x1726 + +#define USB_VENDOR_ID_ATEN 0x0557 +#define USB_DEVICE_ID_ATEN_UC100KM 0x2004 +#define USB_DEVICE_ID_ATEN_CS124U 0x2202 +#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204 +#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 +#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 + +#define USB_VENDOR_ID_BELKIN 0x050d +#define USB_DEVICE_ID_FLIP_KVM 0x3201 + +#define USB_VENDOR_ID_BERKSHIRE 0x0c98 +#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 + +#define USB_VENDOR_ID_CHERRY 0x046a +#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 + +#define USB_VENDOR_ID_CHIC 0x05fe +#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014 + +#define USB_VENDOR_ID_CIDC 0x1677 + +#define USB_VENDOR_ID_CMEDIA 0x0d8c +#define USB_DEVICE_ID_CM109 0x000e + +#define USB_VENDOR_ID_CODEMERCS 0x07c0 +#define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500 +#define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff + +#define USB_VENDOR_ID_CYGNAL 0x10c4 +#define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a + +#define USB_VENDOR_ID_CYPRESS 0x04b4 +#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001 +#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500 +#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417 +#define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 +#define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 + +#define USB_VENDOR_ID_DELL 0x413c +#define USB_DEVICE_ID_DELL_W7658 0x2005 + +#define USB_VENDOR_ID_DELORME 0x1163 +#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 +#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 + +#define USB_VENDOR_ID_DMI 0x0c0b +#define USB_DEVICE_ID_DMI_ENC 0x5fab + +#define USB_VENDOR_ID_ELO 0x04E7 +#define USB_DEVICE_ID_ELO_TS2700 0x0020 + +#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f +#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 + +#define USB_VENDOR_ID_EZKEY 0x0518 +#define USB_DEVICE_ID_BTC_8193 0x0002 + +#define USB_VENDOR_ID_GAMERON 0x0810 +#define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR 0x0001 + +#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc + +#define USB_VENDOR_ID_GLAB 0x06c2 +#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 +#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039 +#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040 +#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044 +#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045 +#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051 +#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053 +#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058 + +#define USB_VENDOR_ID_GOTOP 0x08f2 +#define USB_DEVICE_ID_SUPER_Q2 0x007f +#define USB_DEVICE_ID_GOGOPEN 0x00ce +#define USB_DEVICE_ID_PENPOWER 0x00f4 + +#define USB_VENDOR_ID_GRETAGMACBETH 0x0971 +#define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 + +#define USB_VENDOR_ID_GRIFFIN 0x077d +#define USB_DEVICE_ID_POWERMATE 0x0410 +#define USB_DEVICE_ID_SOUNDKNOB 0x04AA + +#define USB_VENDOR_ID_GTCO 0x078c +#define USB_DEVICE_ID_GTCO_90 0x0090 +#define USB_DEVICE_ID_GTCO_100 0x0100 +#define USB_DEVICE_ID_GTCO_101 0x0101 +#define USB_DEVICE_ID_GTCO_103 0x0103 +#define USB_DEVICE_ID_GTCO_104 0x0104 +#define USB_DEVICE_ID_GTCO_105 0x0105 +#define USB_DEVICE_ID_GTCO_106 0x0106 +#define USB_DEVICE_ID_GTCO_107 0x0107 +#define USB_DEVICE_ID_GTCO_108 0x0108 +#define USB_DEVICE_ID_GTCO_200 0x0200 +#define USB_DEVICE_ID_GTCO_201 0x0201 +#define USB_DEVICE_ID_GTCO_202 0x0202 +#define USB_DEVICE_ID_GTCO_203 0x0203 +#define USB_DEVICE_ID_GTCO_204 0x0204 +#define USB_DEVICE_ID_GTCO_205 0x0205 +#define USB_DEVICE_ID_GTCO_206 0x0206 +#define USB_DEVICE_ID_GTCO_207 0x0207 +#define USB_DEVICE_ID_GTCO_300 0x0300 +#define USB_DEVICE_ID_GTCO_301 0x0301 +#define USB_DEVICE_ID_GTCO_302 0x0302 +#define USB_DEVICE_ID_GTCO_303 0x0303 +#define USB_DEVICE_ID_GTCO_304 0x0304 +#define USB_DEVICE_ID_GTCO_305 0x0305 +#define USB_DEVICE_ID_GTCO_306 0x0306 +#define USB_DEVICE_ID_GTCO_307 0x0307 +#define USB_DEVICE_ID_GTCO_308 0x0308 +#define USB_DEVICE_ID_GTCO_309 0x0309 +#define USB_DEVICE_ID_GTCO_400 0x0400 +#define USB_DEVICE_ID_GTCO_401 0x0401 +#define USB_DEVICE_ID_GTCO_402 0x0402 +#define USB_DEVICE_ID_GTCO_403 0x0403 +#define USB_DEVICE_ID_GTCO_404 0x0404 +#define USB_DEVICE_ID_GTCO_405 0x0405 +#define USB_DEVICE_ID_GTCO_500 0x0500 +#define USB_DEVICE_ID_GTCO_501 0x0501 +#define USB_DEVICE_ID_GTCO_502 0x0502 +#define USB_DEVICE_ID_GTCO_503 0x0503 +#define USB_DEVICE_ID_GTCO_504 0x0504 +#define USB_DEVICE_ID_GTCO_1000 0x1000 +#define USB_DEVICE_ID_GTCO_1001 0x1001 +#define USB_DEVICE_ID_GTCO_1002 0x1002 +#define USB_DEVICE_ID_GTCO_1003 0x1003 +#define USB_DEVICE_ID_GTCO_1004 0x1004 +#define USB_DEVICE_ID_GTCO_1005 0x1005 +#define USB_DEVICE_ID_GTCO_1006 0x1006 +#define USB_DEVICE_ID_GTCO_1007 0x1007 +#define USB_VENDOR_ID_HAPP 0x078b +#define USB_DEVICE_ID_UGCI_DRIVING 0x0010 +#define USB_DEVICE_ID_UGCI_FLYING 0x0020 +#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030 + +#define USB_VENDOR_ID_IMATION 0x0718 +#define USB_DEVICE_ID_DISC_STAKKA 0xd000 + +#define USB_VENDOR_ID_KBGEAR 0x084e +#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 + +#define USB_VENDOR_ID_LD 0x0f11 +#define USB_DEVICE_ID_LD_CASSY 0x1000 +#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010 +#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020 +#define USB_DEVICE_ID_LD_JWM 0x1080 +#define USB_DEVICE_ID_LD_DMMP 0x1081 +#define USB_DEVICE_ID_LD_UMIP 0x1090 +#define USB_DEVICE_ID_LD_XRAY1 0x1100 +#define USB_DEVICE_ID_LD_XRAY2 0x1101 +#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200 +#define USB_DEVICE_ID_LD_COM3LAB 0x2000 +#define USB_DEVICE_ID_LD_TELEPORT 0x2010 +#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020 +#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030 +#define USB_DEVICE_ID_LD_MACHINETEST 0x2040 + +#define USB_VENDOR_ID_LOGITECH 0x046d +#define USB_DEVICE_ID_LOGITECH_LX3 0xc044 +#define USB_DEVICE_ID_LOGITECH_V150 0xc047 +#define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 +#define USB_DEVICE_ID_LOGITECH_HARMONY 0xc110 +#define USB_DEVICE_ID_LOGITECH_HARMONY_2 0xc111 +#define USB_DEVICE_ID_LOGITECH_HARMONY_3 0xc112 +#define USB_DEVICE_ID_LOGITECH_HARMONY_4 0xc113 +#define USB_DEVICE_ID_LOGITECH_HARMONY_5 0xc114 +#define USB_DEVICE_ID_LOGITECH_HARMONY_6 0xc115 +#define USB_DEVICE_ID_LOGITECH_HARMONY_7 0xc116 +#define USB_DEVICE_ID_LOGITECH_HARMONY_8 0xc117 +#define USB_DEVICE_ID_LOGITECH_HARMONY_9 0xc118 +#define USB_DEVICE_ID_LOGITECH_HARMONY_10 0xc119 +#define USB_DEVICE_ID_LOGITECH_HARMONY_11 0xc11a +#define USB_DEVICE_ID_LOGITECH_HARMONY_12 0xc11b +#define USB_DEVICE_ID_LOGITECH_HARMONY_13 0xc11c +#define USB_DEVICE_ID_LOGITECH_HARMONY_14 0xc11d +#define USB_DEVICE_ID_LOGITECH_HARMONY_15 0xc11e +#define USB_DEVICE_ID_LOGITECH_HARMONY_16 0xc11f +#define USB_DEVICE_ID_LOGITECH_HARMONY_17 0xc120 +#define USB_DEVICE_ID_LOGITECH_HARMONY_18 0xc121 +#define USB_DEVICE_ID_LOGITECH_HARMONY_19 0xc122 +#define USB_DEVICE_ID_LOGITECH_HARMONY_20 0xc123 +#define USB_DEVICE_ID_LOGITECH_HARMONY_21 0xc124 +#define USB_DEVICE_ID_LOGITECH_HARMONY_22 0xc125 +#define USB_DEVICE_ID_LOGITECH_HARMONY_23 0xc126 +#define USB_DEVICE_ID_LOGITECH_HARMONY_24 0xc127 +#define USB_DEVICE_ID_LOGITECH_HARMONY_25 0xc128 +#define USB_DEVICE_ID_LOGITECH_HARMONY_26 0xc129 +#define USB_DEVICE_ID_LOGITECH_HARMONY_27 0xc12a +#define USB_DEVICE_ID_LOGITECH_HARMONY_28 0xc12b +#define USB_DEVICE_ID_LOGITECH_HARMONY_29 0xc12c +#define USB_DEVICE_ID_LOGITECH_HARMONY_30 0xc12d +#define USB_DEVICE_ID_LOGITECH_HARMONY_31 0xc12e +#define USB_DEVICE_ID_LOGITECH_HARMONY_32 0xc12f +#define USB_DEVICE_ID_LOGITECH_HARMONY_33 0xc130 +#define USB_DEVICE_ID_LOGITECH_HARMONY_34 0xc131 +#define USB_DEVICE_ID_LOGITECH_HARMONY_35 0xc132 +#define USB_DEVICE_ID_LOGITECH_HARMONY_36 0xc133 +#define USB_DEVICE_ID_LOGITECH_HARMONY_37 0xc134 +#define USB_DEVICE_ID_LOGITECH_HARMONY_38 0xc135 +#define USB_DEVICE_ID_LOGITECH_HARMONY_39 0xc136 +#define USB_DEVICE_ID_LOGITECH_HARMONY_40 0xc137 +#define USB_DEVICE_ID_LOGITECH_HARMONY_41 0xc138 +#define USB_DEVICE_ID_LOGITECH_HARMONY_42 0xc139 +#define USB_DEVICE_ID_LOGITECH_HARMONY_43 0xc13a +#define USB_DEVICE_ID_LOGITECH_HARMONY_44 0xc13b +#define USB_DEVICE_ID_LOGITECH_HARMONY_45 0xc13c +#define USB_DEVICE_ID_LOGITECH_HARMONY_46 0xc13d +#define USB_DEVICE_ID_LOGITECH_HARMONY_47 0xc13e +#define USB_DEVICE_ID_LOGITECH_HARMONY_48 0xc13f +#define USB_DEVICE_ID_LOGITECH_HARMONY_49 0xc140 +#define USB_DEVICE_ID_LOGITECH_HARMONY_50 0xc141 +#define USB_DEVICE_ID_LOGITECH_HARMONY_51 0xc142 +#define USB_DEVICE_ID_LOGITECH_HARMONY_52 0xc143 +#define USB_DEVICE_ID_LOGITECH_HARMONY_53 0xc144 +#define USB_DEVICE_ID_LOGITECH_HARMONY_54 0xc145 +#define USB_DEVICE_ID_LOGITECH_HARMONY_55 0xc146 +#define USB_DEVICE_ID_LOGITECH_HARMONY_56 0xc147 +#define USB_DEVICE_ID_LOGITECH_HARMONY_57 0xc148 +#define USB_DEVICE_ID_LOGITECH_HARMONY_58 0xc149 +#define USB_DEVICE_ID_LOGITECH_HARMONY_59 0xc14a +#define USB_DEVICE_ID_LOGITECH_HARMONY_60 0xc14b +#define USB_DEVICE_ID_LOGITECH_HARMONY_61 0xc14c +#define USB_DEVICE_ID_LOGITECH_HARMONY_62 0xc14d +#define USB_DEVICE_ID_LOGITECH_HARMONY_63 0xc14e +#define USB_DEVICE_ID_LOGITECH_HARMONY_64 0xc14f +#define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 +#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 +#define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a +#define USB_DEVICE_ID_LOGITECH_KBD 0xc311 +#define USB_DEVICE_ID_S510_RECEIVER 0xc50c +#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 +#define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 +#define USB_DEVICE_ID_MX3000_RECEIVER 0xc513 +#define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 +#define USB_DEVICE_ID_DINOVO_EDGE 0xc714 +#define USB_DEVICE_ID_DINOVO_MINI 0xc71f + +#define USB_VENDOR_ID_MCC 0x09db +#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 +#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a + +#define USB_VENDOR_ID_MGE 0x0463 +#define USB_DEVICE_ID_MGE_UPS 0xffff +#define USB_DEVICE_ID_MGE_UPS1 0x0001 + +#define USB_VENDOR_ID_MICROCHIP 0x04d8 +#define USB_DEVICE_ID_PICKIT1 0x0032 +#define USB_DEVICE_ID_PICKIT2 0x0033 + +#define USB_VENDOR_ID_MICROSOFT 0x045e +#define USB_DEVICE_ID_SIDEWINDER_GV 0x003b +#define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d +#define USB_DEVICE_ID_DESKTOP_RECV_1028 0x00f9 +#define USB_DEVICE_ID_MS_NE4K 0x00db +#define USB_DEVICE_ID_MS_LK6K 0x00f9 + +#define USB_VENDOR_ID_MONTEREY 0x0566 +#define USB_DEVICE_ID_GENIUS_KB29E 0x3004 + +#define USB_VENDOR_ID_NCR 0x0404 +#define USB_DEVICE_ID_NCR_FIRST 0x0300 +#define USB_DEVICE_ID_NCR_LAST 0x03ff + +#define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 +#define USB_DEVICE_ID_N_S_HARMONY 0xc359 + +#define USB_VENDOR_ID_NATSU 0x08b7 +#define USB_DEVICE_ID_NATSU_GAMEPAD 0x0001 + +#define USB_VENDOR_ID_NEC 0x073e +#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 + +#define USB_VENDOR_ID_ONTRAK 0x0a07 +#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 + +#define USB_VENDOR_ID_PANJIT 0x134c + +#define USB_VENDOR_ID_PANTHERLORD 0x0810 +#define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001 + +#define USB_VENDOR_ID_PETALYNX 0x18b1 +#define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 + +#define USB_VENDOR_ID_PLAYDOTCOM 0x0b43 +#define USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII 0x0003 + +#define USB_VENDOR_ID_SAITEK 0x06a3 +#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 + +#define USB_VENDOR_ID_SAMSUNG 0x0419 +#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 + +#define USB_VENDOR_ID_SONY 0x054c +#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 + +#define USB_VENDOR_ID_SOUNDGRAPH 0x15c2 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD 0x0038 + +#define USB_VENDOR_ID_SUN 0x0430 +#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab + +#define USB_VENDOR_ID_SUNPLUS 0x04fc +#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 + +#define USB_VENDOR_ID_TOPMAX 0x0663 +#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 + +#define USB_VENDOR_ID_TURBOX 0x062a +#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 + +#define USB_VENDOR_ID_VERNIER 0x08f7 +#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 +#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 +#define USB_DEVICE_ID_VERNIER_SKIP 0x0003 +#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004 +#define USB_DEVICE_ID_VERNIER_LCSPEC 0x0006 + +#define USB_VENDOR_ID_WACOM 0x056a + +#define USB_VENDOR_ID_WISEGROUP 0x0925 +#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101 +#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104 +#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201 +#define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800 +#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866 + +#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677 +#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802 + +#define USB_VENDOR_ID_YEALINK 0x6993 +#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 + +#define USB_VENDOR_ID_KYE 0x0458 +#define USB_DEVICE_ID_KYE_GPEN_560 0x5003 + +#endif diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index b15f88249639..8b5ce9c9e353 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -17,412 +17,7 @@ #include -#define USB_VENDOR_ID_A4TECH 0x09da -#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 -#define USB_DEVICE_ID_A4TECH_X5_005D 0x000a - -#define USB_VENDOR_ID_AASHIMA 0x06d6 -#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025 -#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026 - -#define USB_VENDOR_ID_ACECAD 0x0460 -#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004 -#define USB_DEVICE_ID_ACECAD_302 0x0008 - -#define USB_VENDOR_ID_ADS_TECH 0x06e1 -#define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X 0xa155 - -#define USB_VENDOR_ID_AFATECH 0x15a4 -#define USB_DEVICE_ID_AFATECH_AF9016 0x9016 - -#define USB_VENDOR_ID_AIPTEK 0x08ca -#define USB_DEVICE_ID_AIPTEK_01 0x0001 -#define USB_DEVICE_ID_AIPTEK_10 0x0010 -#define USB_DEVICE_ID_AIPTEK_20 0x0020 -#define USB_DEVICE_ID_AIPTEK_21 0x0021 -#define USB_DEVICE_ID_AIPTEK_22 0x0022 -#define USB_DEVICE_ID_AIPTEK_23 0x0023 -#define USB_DEVICE_ID_AIPTEK_24 0x0024 - -#define USB_VENDOR_ID_AIRCABLE 0x16CA -#define USB_DEVICE_ID_AIRCABLE1 0x1502 - -#define USB_VENDOR_ID_ALCOR 0x058f -#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720 - -#define USB_VENDOR_ID_ALPS 0x0433 -#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 - -#define USB_VENDOR_ID_APPLE 0x05ac -#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 -#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e -#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f -#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214 -#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215 -#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216 -#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217 -#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218 -#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219 -#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a -#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b -#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c -#define USB_DEVICE_ID_APPLE_ALU_ANSI 0x0220 -#define USB_DEVICE_ID_APPLE_ALU_ISO 0x0221 -#define USB_DEVICE_ID_APPLE_ALU_JIS 0x0222 -#define USB_DEVICE_ID_APPLE_WELLSPRING_ANSI 0x0223 -#define USB_DEVICE_ID_APPLE_WELLSPRING_ISO 0x0224 -#define USB_DEVICE_ID_APPLE_WELLSPRING_JIS 0x0225 -#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI 0x0229 -#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO 0x022a -#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS 0x022b -#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI 0x022c -#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO 0x022d -#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS 0x022e -#define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230 -#define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231 -#define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 -#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a -#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b -#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242 - -#define USB_VENDOR_ID_ASUS 0x0b05 -#define USB_DEVICE_ID_ASUS_LCM 0x1726 - -#define USB_VENDOR_ID_ATEN 0x0557 -#define USB_DEVICE_ID_ATEN_UC100KM 0x2004 -#define USB_DEVICE_ID_ATEN_CS124U 0x2202 -#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204 -#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 -#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 - -#define USB_VENDOR_ID_BELKIN 0x050d -#define USB_DEVICE_ID_FLIP_KVM 0x3201 - -#define USB_VENDOR_ID_BERKSHIRE 0x0c98 -#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 - -#define USB_VENDOR_ID_CHERRY 0x046a -#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 - -#define USB_VENDOR_ID_CHIC 0x05fe -#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014 - -#define USB_VENDOR_ID_CIDC 0x1677 - -#define USB_VENDOR_ID_CMEDIA 0x0d8c -#define USB_DEVICE_ID_CM109 0x000e - -#define USB_VENDOR_ID_CODEMERCS 0x07c0 -#define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500 -#define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff - -#define USB_VENDOR_ID_CYGNAL 0x10c4 -#define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a - -#define USB_VENDOR_ID_CYPRESS 0x04b4 -#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001 -#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500 -#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417 -#define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 -#define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 - -#define USB_VENDOR_ID_DELL 0x413c -#define USB_DEVICE_ID_DELL_W7658 0x2005 - -#define USB_VENDOR_ID_DELORME 0x1163 -#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 -#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 - -#define USB_VENDOR_ID_DMI 0x0c0b -#define USB_DEVICE_ID_DMI_ENC 0x5fab - -#define USB_VENDOR_ID_ELO 0x04E7 -#define USB_DEVICE_ID_ELO_TS2700 0x0020 - -#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f -#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 - -#define USB_VENDOR_ID_EZKEY 0x0518 -#define USB_DEVICE_ID_BTC_8193 0x0002 - -#define USB_VENDOR_ID_GAMERON 0x0810 -#define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR 0x0001 - -#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc - -#define USB_VENDOR_ID_GLAB 0x06c2 -#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 -#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039 -#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040 -#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044 -#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045 -#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051 -#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053 -#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058 - -#define USB_VENDOR_ID_GOTOP 0x08f2 -#define USB_DEVICE_ID_SUPER_Q2 0x007f -#define USB_DEVICE_ID_GOGOPEN 0x00ce -#define USB_DEVICE_ID_PENPOWER 0x00f4 - -#define USB_VENDOR_ID_GRETAGMACBETH 0x0971 -#define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 - -#define USB_VENDOR_ID_GRIFFIN 0x077d -#define USB_DEVICE_ID_POWERMATE 0x0410 -#define USB_DEVICE_ID_SOUNDKNOB 0x04AA - -#define USB_VENDOR_ID_GTCO 0x078c -#define USB_DEVICE_ID_GTCO_90 0x0090 -#define USB_DEVICE_ID_GTCO_100 0x0100 -#define USB_DEVICE_ID_GTCO_101 0x0101 -#define USB_DEVICE_ID_GTCO_103 0x0103 -#define USB_DEVICE_ID_GTCO_104 0x0104 -#define USB_DEVICE_ID_GTCO_105 0x0105 -#define USB_DEVICE_ID_GTCO_106 0x0106 -#define USB_DEVICE_ID_GTCO_107 0x0107 -#define USB_DEVICE_ID_GTCO_108 0x0108 -#define USB_DEVICE_ID_GTCO_200 0x0200 -#define USB_DEVICE_ID_GTCO_201 0x0201 -#define USB_DEVICE_ID_GTCO_202 0x0202 -#define USB_DEVICE_ID_GTCO_203 0x0203 -#define USB_DEVICE_ID_GTCO_204 0x0204 -#define USB_DEVICE_ID_GTCO_205 0x0205 -#define USB_DEVICE_ID_GTCO_206 0x0206 -#define USB_DEVICE_ID_GTCO_207 0x0207 -#define USB_DEVICE_ID_GTCO_300 0x0300 -#define USB_DEVICE_ID_GTCO_301 0x0301 -#define USB_DEVICE_ID_GTCO_302 0x0302 -#define USB_DEVICE_ID_GTCO_303 0x0303 -#define USB_DEVICE_ID_GTCO_304 0x0304 -#define USB_DEVICE_ID_GTCO_305 0x0305 -#define USB_DEVICE_ID_GTCO_306 0x0306 -#define USB_DEVICE_ID_GTCO_307 0x0307 -#define USB_DEVICE_ID_GTCO_308 0x0308 -#define USB_DEVICE_ID_GTCO_309 0x0309 -#define USB_DEVICE_ID_GTCO_400 0x0400 -#define USB_DEVICE_ID_GTCO_401 0x0401 -#define USB_DEVICE_ID_GTCO_402 0x0402 -#define USB_DEVICE_ID_GTCO_403 0x0403 -#define USB_DEVICE_ID_GTCO_404 0x0404 -#define USB_DEVICE_ID_GTCO_405 0x0405 -#define USB_DEVICE_ID_GTCO_500 0x0500 -#define USB_DEVICE_ID_GTCO_501 0x0501 -#define USB_DEVICE_ID_GTCO_502 0x0502 -#define USB_DEVICE_ID_GTCO_503 0x0503 -#define USB_DEVICE_ID_GTCO_504 0x0504 -#define USB_DEVICE_ID_GTCO_1000 0x1000 -#define USB_DEVICE_ID_GTCO_1001 0x1001 -#define USB_DEVICE_ID_GTCO_1002 0x1002 -#define USB_DEVICE_ID_GTCO_1003 0x1003 -#define USB_DEVICE_ID_GTCO_1004 0x1004 -#define USB_DEVICE_ID_GTCO_1005 0x1005 -#define USB_DEVICE_ID_GTCO_1006 0x1006 -#define USB_DEVICE_ID_GTCO_1007 0x1007 -#define USB_VENDOR_ID_HAPP 0x078b -#define USB_DEVICE_ID_UGCI_DRIVING 0x0010 -#define USB_DEVICE_ID_UGCI_FLYING 0x0020 -#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030 - -#define USB_VENDOR_ID_IMATION 0x0718 -#define USB_DEVICE_ID_DISC_STAKKA 0xd000 - -#define USB_VENDOR_ID_KBGEAR 0x084e -#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 - -#define USB_VENDOR_ID_LD 0x0f11 -#define USB_DEVICE_ID_LD_CASSY 0x1000 -#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010 -#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020 -#define USB_DEVICE_ID_LD_JWM 0x1080 -#define USB_DEVICE_ID_LD_DMMP 0x1081 -#define USB_DEVICE_ID_LD_UMIP 0x1090 -#define USB_DEVICE_ID_LD_XRAY1 0x1100 -#define USB_DEVICE_ID_LD_XRAY2 0x1101 -#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200 -#define USB_DEVICE_ID_LD_COM3LAB 0x2000 -#define USB_DEVICE_ID_LD_TELEPORT 0x2010 -#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020 -#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030 -#define USB_DEVICE_ID_LD_MACHINETEST 0x2040 - -#define USB_VENDOR_ID_LOGITECH 0x046d -#define USB_DEVICE_ID_LOGITECH_LX3 0xc044 -#define USB_DEVICE_ID_LOGITECH_V150 0xc047 -#define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 -#define USB_DEVICE_ID_LOGITECH_HARMONY 0xc110 -#define USB_DEVICE_ID_LOGITECH_HARMONY_2 0xc111 -#define USB_DEVICE_ID_LOGITECH_HARMONY_3 0xc112 -#define USB_DEVICE_ID_LOGITECH_HARMONY_4 0xc113 -#define USB_DEVICE_ID_LOGITECH_HARMONY_5 0xc114 -#define USB_DEVICE_ID_LOGITECH_HARMONY_6 0xc115 -#define USB_DEVICE_ID_LOGITECH_HARMONY_7 0xc116 -#define USB_DEVICE_ID_LOGITECH_HARMONY_8 0xc117 -#define USB_DEVICE_ID_LOGITECH_HARMONY_9 0xc118 -#define USB_DEVICE_ID_LOGITECH_HARMONY_10 0xc119 -#define USB_DEVICE_ID_LOGITECH_HARMONY_11 0xc11a -#define USB_DEVICE_ID_LOGITECH_HARMONY_12 0xc11b -#define USB_DEVICE_ID_LOGITECH_HARMONY_13 0xc11c -#define USB_DEVICE_ID_LOGITECH_HARMONY_14 0xc11d -#define USB_DEVICE_ID_LOGITECH_HARMONY_15 0xc11e -#define USB_DEVICE_ID_LOGITECH_HARMONY_16 0xc11f -#define USB_DEVICE_ID_LOGITECH_HARMONY_17 0xc120 -#define USB_DEVICE_ID_LOGITECH_HARMONY_18 0xc121 -#define USB_DEVICE_ID_LOGITECH_HARMONY_19 0xc122 -#define USB_DEVICE_ID_LOGITECH_HARMONY_20 0xc123 -#define USB_DEVICE_ID_LOGITECH_HARMONY_21 0xc124 -#define USB_DEVICE_ID_LOGITECH_HARMONY_22 0xc125 -#define USB_DEVICE_ID_LOGITECH_HARMONY_23 0xc126 -#define USB_DEVICE_ID_LOGITECH_HARMONY_24 0xc127 -#define USB_DEVICE_ID_LOGITECH_HARMONY_25 0xc128 -#define USB_DEVICE_ID_LOGITECH_HARMONY_26 0xc129 -#define USB_DEVICE_ID_LOGITECH_HARMONY_27 0xc12a -#define USB_DEVICE_ID_LOGITECH_HARMONY_28 0xc12b -#define USB_DEVICE_ID_LOGITECH_HARMONY_29 0xc12c -#define USB_DEVICE_ID_LOGITECH_HARMONY_30 0xc12d -#define USB_DEVICE_ID_LOGITECH_HARMONY_31 0xc12e -#define USB_DEVICE_ID_LOGITECH_HARMONY_32 0xc12f -#define USB_DEVICE_ID_LOGITECH_HARMONY_33 0xc130 -#define USB_DEVICE_ID_LOGITECH_HARMONY_34 0xc131 -#define USB_DEVICE_ID_LOGITECH_HARMONY_35 0xc132 -#define USB_DEVICE_ID_LOGITECH_HARMONY_36 0xc133 -#define USB_DEVICE_ID_LOGITECH_HARMONY_37 0xc134 -#define USB_DEVICE_ID_LOGITECH_HARMONY_38 0xc135 -#define USB_DEVICE_ID_LOGITECH_HARMONY_39 0xc136 -#define USB_DEVICE_ID_LOGITECH_HARMONY_40 0xc137 -#define USB_DEVICE_ID_LOGITECH_HARMONY_41 0xc138 -#define USB_DEVICE_ID_LOGITECH_HARMONY_42 0xc139 -#define USB_DEVICE_ID_LOGITECH_HARMONY_43 0xc13a -#define USB_DEVICE_ID_LOGITECH_HARMONY_44 0xc13b -#define USB_DEVICE_ID_LOGITECH_HARMONY_45 0xc13c -#define USB_DEVICE_ID_LOGITECH_HARMONY_46 0xc13d -#define USB_DEVICE_ID_LOGITECH_HARMONY_47 0xc13e -#define USB_DEVICE_ID_LOGITECH_HARMONY_48 0xc13f -#define USB_DEVICE_ID_LOGITECH_HARMONY_49 0xc140 -#define USB_DEVICE_ID_LOGITECH_HARMONY_50 0xc141 -#define USB_DEVICE_ID_LOGITECH_HARMONY_51 0xc142 -#define USB_DEVICE_ID_LOGITECH_HARMONY_52 0xc143 -#define USB_DEVICE_ID_LOGITECH_HARMONY_53 0xc144 -#define USB_DEVICE_ID_LOGITECH_HARMONY_54 0xc145 -#define USB_DEVICE_ID_LOGITECH_HARMONY_55 0xc146 -#define USB_DEVICE_ID_LOGITECH_HARMONY_56 0xc147 -#define USB_DEVICE_ID_LOGITECH_HARMONY_57 0xc148 -#define USB_DEVICE_ID_LOGITECH_HARMONY_58 0xc149 -#define USB_DEVICE_ID_LOGITECH_HARMONY_59 0xc14a -#define USB_DEVICE_ID_LOGITECH_HARMONY_60 0xc14b -#define USB_DEVICE_ID_LOGITECH_HARMONY_61 0xc14c -#define USB_DEVICE_ID_LOGITECH_HARMONY_62 0xc14d -#define USB_DEVICE_ID_LOGITECH_HARMONY_63 0xc14e -#define USB_DEVICE_ID_LOGITECH_HARMONY_64 0xc14f -#define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 -#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 -#define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a -#define USB_DEVICE_ID_LOGITECH_KBD 0xc311 -#define USB_DEVICE_ID_S510_RECEIVER 0xc50c -#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 -#define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 -#define USB_DEVICE_ID_MX3000_RECEIVER 0xc513 -#define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 -#define USB_DEVICE_ID_DINOVO_EDGE 0xc714 -#define USB_DEVICE_ID_DINOVO_MINI 0xc71f - -#define USB_VENDOR_ID_MCC 0x09db -#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 -#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a - -#define USB_VENDOR_ID_MGE 0x0463 -#define USB_DEVICE_ID_MGE_UPS 0xffff -#define USB_DEVICE_ID_MGE_UPS1 0x0001 - -#define USB_VENDOR_ID_MICROCHIP 0x04d8 -#define USB_DEVICE_ID_PICKIT1 0x0032 -#define USB_DEVICE_ID_PICKIT2 0x0033 - -#define USB_VENDOR_ID_MICROSOFT 0x045e -#define USB_DEVICE_ID_SIDEWINDER_GV 0x003b -#define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d -#define USB_DEVICE_ID_DESKTOP_RECV_1028 0x00f9 -#define USB_DEVICE_ID_MS_NE4K 0x00db -#define USB_DEVICE_ID_MS_LK6K 0x00f9 - -#define USB_VENDOR_ID_MONTEREY 0x0566 -#define USB_DEVICE_ID_GENIUS_KB29E 0x3004 - -#define USB_VENDOR_ID_NCR 0x0404 -#define USB_DEVICE_ID_NCR_FIRST 0x0300 -#define USB_DEVICE_ID_NCR_LAST 0x03ff - -#define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 -#define USB_DEVICE_ID_N_S_HARMONY 0xc359 - -#define USB_VENDOR_ID_NATSU 0x08b7 -#define USB_DEVICE_ID_NATSU_GAMEPAD 0x0001 - -#define USB_VENDOR_ID_NEC 0x073e -#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 - -#define USB_VENDOR_ID_ONTRAK 0x0a07 -#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 - -#define USB_VENDOR_ID_PANJIT 0x134c - -#define USB_VENDOR_ID_PANTHERLORD 0x0810 -#define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001 - -#define USB_VENDOR_ID_PETALYNX 0x18b1 -#define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 - -#define USB_VENDOR_ID_PLAYDOTCOM 0x0b43 -#define USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII 0x0003 - -#define USB_VENDOR_ID_SAITEK 0x06a3 -#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 - -#define USB_VENDOR_ID_SAMSUNG 0x0419 -#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 - -#define USB_VENDOR_ID_SONY 0x054c -#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 - -#define USB_VENDOR_ID_SOUNDGRAPH 0x15c2 -#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD 0x0038 - -#define USB_VENDOR_ID_SUN 0x0430 -#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab - -#define USB_VENDOR_ID_SUNPLUS 0x04fc -#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 - -#define USB_VENDOR_ID_TOPMAX 0x0663 -#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 - -#define USB_VENDOR_ID_TURBOX 0x062a -#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 - -#define USB_VENDOR_ID_VERNIER 0x08f7 -#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 -#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 -#define USB_DEVICE_ID_VERNIER_SKIP 0x0003 -#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004 -#define USB_DEVICE_ID_VERNIER_LCSPEC 0x0006 - -#define USB_VENDOR_ID_WACOM 0x056a - -#define USB_VENDOR_ID_WISEGROUP 0x0925 -#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101 -#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104 -#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201 -#define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800 -#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866 - -#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677 -#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802 - -#define USB_VENDOR_ID_YEALINK 0x6993 -#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 - -#define USB_VENDOR_ID_KYE 0x0458 -#define USB_DEVICE_ID_KYE_GPEN_560 0x5003 +#include "../hid-ids.h" /* * Alphabetically sorted blacklist by quirk type. -- GitLab From 022e8c4d08b3b06361594b60412db0242035c4b4 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:18 +0200 Subject: [PATCH 4763/6244] HID: move usage input mapping to hid.h This mapping are currently used on 2 placces and will be needed by more quirk drivers, so move them to hid.h to allow them to use it. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-input-quirks.c | 77 +++++++++++++++++----------------- drivers/hid/hid-input.c | 16 +++---- include/linux/hid.h | 56 ++++++++++++++++++++++++- 3 files changed, 103 insertions(+), 46 deletions(-) diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 16feea014494..8ec64b74d38d 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -16,16 +16,14 @@ #include #include -#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; *bit = input->absbit; *max = ABS_MAX; } while (0) -#define map_rel(c) do { usage->code = c; usage->type = EV_REL; *bit = input->relbit; *max = REL_MAX; } while (0) -#define map_key(c) do { usage->code = c; usage->type = EV_KEY; *bit = input->keybit; *max = KEY_MAX; } while (0) -#define map_led(c) do { usage->code = c; usage->type = EV_LED; *bit = input->ledbit; *max = LED_MAX; } while (0) +#define map_rel(c) hid_map_usage(hidinput, usage, bit, max, EV_REL, (c)) +#define map_key(c) hid_map_usage(hidinput, usage, bit, max, EV_KEY, (c)) -#define map_abs_clear(c) do { map_abs(c); clear_bit(c, *bit); } while (0) -#define map_key_clear(c) do { map_key(c); clear_bit(c, *bit); } while (0) +#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, bit, \ + max, EV_KEY, (c)) -static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_belkin_wkbd(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) return 0; @@ -40,8 +38,8 @@ static int quirk_belkin_wkbd(struct hid_usage *usage, struct input_dev *input, return 1; } -static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_cherry_cymotion(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) return 0; @@ -56,13 +54,13 @@ static int quirk_cherry_cymotion(struct hid_usage *usage, struct input_dev *inpu return 1; } -static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_logitech_ultrax_remote(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) return 0; - set_bit(EV_REP, input->evbit); + set_bit(EV_REP, hidinput->input->evbit); switch(usage->hid & HID_USAGE) { /* Reported on Logitech Ultra X Media Remote */ case 0x004: map_key_clear(KEY_AGAIN); break; @@ -89,13 +87,13 @@ static int quirk_logitech_ultrax_remote(struct hid_usage *usage, struct input_de return 1; } -static int quirk_gyration_remote(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_gyration_remote(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) return 0; - set_bit(EV_REP, input->evbit); + set_bit(EV_REP, hidinput->input->evbit); switch(usage->hid & HID_USAGE) { /* Reported on Gyration MCE Remote */ case 0x00d: map_key_clear(KEY_HOME); break; @@ -112,13 +110,13 @@ static int quirk_gyration_remote(struct hid_usage *usage, struct input_dev *inpu return 1; } -static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_chicony_tactical_pad(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) return 0; - set_bit(EV_REP, input->evbit); + set_bit(EV_REP, hidinput->input->evbit); switch (usage->hid & HID_USAGE) { case 0xff01: map_key_clear(BTN_1); break; case 0xff02: map_key_clear(BTN_2); break; @@ -137,9 +135,11 @@ static int quirk_chicony_tactical_pad(struct hid_usage *usage, struct input_dev return 1; } -static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { + struct input_dev *input = hidinput->input; + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) return 0; @@ -160,13 +160,13 @@ static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, struct input_dev return 1; } -static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_microsoft_presenter_8k(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) return 0; - set_bit(EV_REP, input->evbit); + set_bit(EV_REP, hidinput->input->evbit); switch(usage->hid & HID_USAGE) { case 0xfd08: map_key_clear(KEY_FORWARD); break; case 0xfd09: map_key_clear(KEY_BACK); break; @@ -179,8 +179,8 @@ static int quirk_microsoft_presenter_8k(struct hid_usage *usage, struct input_de return 1; } -static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_petalynx_remote(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if (((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) && ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)) @@ -207,8 +207,8 @@ static int quirk_petalynx_remote(struct hid_usage *usage, struct input_dev *inpu return 1; } -static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_logitech_wireless(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) return 0; @@ -259,8 +259,8 @@ static int quirk_logitech_wireless(struct hid_usage *usage, struct input_dev *in return 1; } -static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_cherry_genius_29e(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) return 0; @@ -277,7 +277,7 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, struct input_dev *in return 1; } -static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input, +static int quirk_btc_8193(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) @@ -299,8 +299,8 @@ static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input, return 1; } -static int quirk_sunplus_wdesktop(struct hid_usage *usage, struct input_dev *input, - unsigned long **bit, int *max) +static int quirk_sunplus_wdesktop(struct hid_usage *usage, + struct hid_input *hidinput, unsigned long **bit, int *max) { if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) return 0; @@ -353,7 +353,8 @@ static int quirk_sunplus_wdesktop(struct hid_usage *usage, struct input_dev *inp static const struct hid_input_blacklist { __u16 idVendor; __u16 idProduct; - int (*quirk)(struct hid_usage *, struct input_dev *, unsigned long **, int *); + int (*quirk)(struct hid_usage *, struct hid_input *, unsigned long **, + int *); } hid_input_blacklist[] = { { VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd }, @@ -385,16 +386,16 @@ static const struct hid_input_blacklist { }; int hidinput_mapping_quirks(struct hid_usage *usage, - struct input_dev *input, - unsigned long **bit, int *max) + struct hid_input *hi, unsigned long **bit, int *max) { - struct hid_device *device = input_get_drvdata(input); + struct hid_device *device = input_get_drvdata(hi->input); int i = 0; while (hid_input_blacklist[i].quirk) { if (hid_input_blacklist[i].idVendor == device->vendor && hid_input_blacklist[i].idProduct == device->product) - return hid_input_blacklist[i].quirk(usage, input, bit, max); + return hid_input_blacklist[i].quirk(usage, hi, bit, + max); i++; } return 0; diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 9fa7239ab310..be2c7a8ad254 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -76,13 +76,15 @@ static const struct { __s32 y; } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; -#define map_abs(c) do { usage->code = c; usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; } while (0) -#define map_rel(c) do { usage->code = c; usage->type = EV_REL; bit = input->relbit; max = REL_MAX; } while (0) -#define map_key(c) do { usage->code = c; usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; } while (0) -#define map_led(c) do { usage->code = c; usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; } while (0) +#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c)) +#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c)) +#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c)) +#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c)) -#define map_abs_clear(c) do { map_abs(c); clear_bit(c, bit); } while (0) -#define map_key_clear(c) do { map_key(c); clear_bit(c, bit); } while (0) +#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ + &max, EV_ABS, (c)) +#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ + &max, EV_KEY, (c)) #ifdef CONFIG_USB_HIDINPUT_POWERBOOK @@ -386,7 +388,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } /* handle input mappings for quirky devices */ - ret = hidinput_mapping_quirks(usage, input, &bit, &max); + ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max); if (ret) goto mapped; diff --git a/include/linux/hid.h b/include/linux/hid.h index ac2584fe65c5..986c0e7ea66a 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -655,13 +655,67 @@ extern void hidinput_disconnect(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); int hid_input_report(struct hid_device *, int type, u8 *, int, int); int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); -int hidinput_mapping_quirks(struct hid_usage *, struct input_dev *, unsigned long **, int *); +int hidinput_mapping_quirks(struct hid_usage *, struct hid_input *, + unsigned long **, int *); int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); void hid_output_report(struct hid_report *report, __u8 *data); struct hid_device *hid_allocate_device(void); int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); +/** + * hid_map_usage - map usage input bits + * + * @hidinput: hidinput which we are interested in + * @usage: usage to fill in + * @bit: pointer to input->{}bit (out parameter) + * @max: maximal valid usage->code to consider later (out parameter) + * @type: input event type (EV_KEY, EV_REL, ...) + * @c: code which corresponds to this usage and type + */ +static inline void hid_map_usage(struct hid_input *hidinput, + struct hid_usage *usage, unsigned long **bit, int *max, + __u8 type, __u16 c) +{ + struct input_dev *input = hidinput->input; + + usage->type = type; + usage->code = c; + + switch (type) { + case EV_ABS: + *bit = input->absbit; + *max = ABS_MAX; + break; + case EV_REL: + *bit = input->relbit; + *max = REL_MAX; + break; + case EV_KEY: + *bit = input->keybit; + *max = KEY_MAX; + break; + case EV_LED: + *bit = input->ledbit; + *max = LED_MAX; + break; + } +} + +/** + * hid_map_usage_clear - map usage input bits and clear the input bit + * + * The same as hid_map_usage, except the @c bit is also cleared in supported + * bits (@bit). + */ +static inline void hid_map_usage_clear(struct hid_input *hidinput, + struct hid_usage *usage, unsigned long **bit, int *max, + __u8 type, __u16 c) +{ + hid_map_usage(hidinput, usage, bit, max, type, c); + clear_bit(c, *bit); +} + /** * hid_parse - parse HW reports * -- GitLab From 5f22a7992349c5ca3842190be52d5e9a1dd7adf4 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:19 +0200 Subject: [PATCH 4764/6244] HID: move logitech quirks Move them from the core and input code to a separate driver. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 13 ++ drivers/hid/Makefile | 2 + drivers/hid/hid-core.c | 16 ++ drivers/hid/hid-input-quirks.c | 96 ---------- drivers/hid/hid-input.c | 38 ---- drivers/hid/hid-logitech.c | 312 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 37 ---- include/linux/hid.h | 5 - 8 files changed, 343 insertions(+), 176 deletions(-) create mode 100644 drivers/hid/hid-logitech.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index cacf89e65af4..066e8c08c268 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -67,4 +67,17 @@ config HIDRAW source "drivers/hid/usbhid/Kconfig" +menu "Special HID drivers" + depends on HID + +config HID_LOGITECH + tristate "Logitech" + default m + depends on USB_HID + ---help--- + Support for some Logitech devices which breaks less or more + HID specification. + +endmenu + endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 275dc522c738..cae036bfe837 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -8,6 +8,8 @@ obj-$(CONFIG_HID) += hid.o hid-$(CONFIG_HID_DEBUG) += hid-debug.o hid-$(CONFIG_HIDRAW) += hidraw.o +obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o + obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ obj-$(CONFIG_USB_KBD) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 3dacbcd7e41c..c3ff7b13a4be 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -33,6 +33,8 @@ #include #include +#include "hid-ids.h" + /* * Version Information */ @@ -1128,6 +1130,20 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev, } static const struct hid_device_id hid_blacklist[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_LX3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, { } }; diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 8ec64b74d38d..10451ca3a786 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -54,39 +54,6 @@ static int quirk_cherry_cymotion(struct hid_usage *usage, return 1; } -static int quirk_logitech_ultrax_remote(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) - return 0; - - set_bit(EV_REP, hidinput->input->evbit); - switch(usage->hid & HID_USAGE) { - /* Reported on Logitech Ultra X Media Remote */ - case 0x004: map_key_clear(KEY_AGAIN); break; - case 0x00d: map_key_clear(KEY_HOME); break; - case 0x024: map_key_clear(KEY_SHUFFLE); break; - case 0x025: map_key_clear(KEY_TV); break; - case 0x026: map_key_clear(KEY_MENU); break; - case 0x031: map_key_clear(KEY_AUDIO); break; - case 0x032: map_key_clear(KEY_TEXT); break; - case 0x033: map_key_clear(KEY_LAST); break; - case 0x047: map_key_clear(KEY_MP3); break; - case 0x048: map_key_clear(KEY_DVD); break; - case 0x049: map_key_clear(KEY_MEDIA); break; - case 0x04a: map_key_clear(KEY_VIDEO); break; - case 0x04b: map_key_clear(KEY_ANGLE); break; - case 0x04c: map_key_clear(KEY_LANGUAGE); break; - case 0x04d: map_key_clear(KEY_SUBTITLE); break; - case 0x051: map_key_clear(KEY_RED); break; - case 0x052: map_key_clear(KEY_CLOSE); break; - - default: - return 0; - } - return 1; -} - static int quirk_gyration_remote(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -207,58 +174,6 @@ static int quirk_petalynx_remote(struct hid_usage *usage, return 1; } -static int quirk_logitech_wireless(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x1001: map_key_clear(KEY_MESSENGER); break; - case 0x1003: map_key_clear(KEY_SOUND); break; - case 0x1004: map_key_clear(KEY_VIDEO); break; - case 0x1005: map_key_clear(KEY_AUDIO); break; - case 0x100a: map_key_clear(KEY_DOCUMENTS); break; - case 0x1011: map_key_clear(KEY_PREVIOUSSONG); break; - case 0x1012: map_key_clear(KEY_NEXTSONG); break; - case 0x1013: map_key_clear(KEY_CAMERA); break; - case 0x1014: map_key_clear(KEY_MESSENGER); break; - case 0x1015: map_key_clear(KEY_RECORD); break; - case 0x1016: map_key_clear(KEY_PLAYER); break; - case 0x1017: map_key_clear(KEY_EJECTCD); break; - case 0x1018: map_key_clear(KEY_MEDIA); break; - case 0x1019: map_key_clear(KEY_PROG1); break; - case 0x101a: map_key_clear(KEY_PROG2); break; - case 0x101b: map_key_clear(KEY_PROG3); break; - case 0x101f: map_key_clear(KEY_ZOOMIN); break; - case 0x1020: map_key_clear(KEY_ZOOMOUT); break; - case 0x1021: map_key_clear(KEY_ZOOMRESET); break; - case 0x1023: map_key_clear(KEY_CLOSE); break; - case 0x1027: map_key_clear(KEY_MENU); break; - /* this one is marked as 'Rotate' */ - case 0x1028: map_key_clear(KEY_ANGLE); break; - case 0x1029: map_key_clear(KEY_SHUFFLE); break; - case 0x102a: map_key_clear(KEY_BACK); break; - case 0x102b: map_key_clear(KEY_CYCLEWINDOWS); break; - case 0x1041: map_key_clear(KEY_BATTERY); break; - case 0x1042: map_key_clear(KEY_WORDPROCESSOR); break; - case 0x1043: map_key_clear(KEY_SPREADSHEET); break; - case 0x1044: map_key_clear(KEY_PRESENTATION); break; - case 0x1045: map_key_clear(KEY_UNDO); break; - case 0x1046: map_key_clear(KEY_REDO); break; - case 0x1047: map_key_clear(KEY_PRINT); break; - case 0x1048: map_key_clear(KEY_SAVE); break; - case 0x1049: map_key_clear(KEY_PROG1); break; - case 0x104a: map_key_clear(KEY_PROG2); break; - case 0x104b: map_key_clear(KEY_PROG3); break; - case 0x104c: map_key_clear(KEY_PROG4); break; - - default: - return 0; - } - return 1; -} - static int quirk_cherry_genius_29e(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -329,12 +244,6 @@ static int quirk_sunplus_wdesktop(struct hid_usage *usage, #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 -#define VENDOR_ID_LOGITECH 0x046d -#define DEVICE_ID_LOGITECH_RECEIVER 0xc101 -#define DEVICE_ID_S510_RECEIVER 0xc50c -#define DEVICE_ID_S510_RECEIVER_2 0xc517 -#define DEVICE_ID_MX3000_RECEIVER 0xc513 - #define VENDOR_ID_MICROSOFT 0x045e #define DEVICE_ID_MS4K 0x00db #define DEVICE_ID_MS6K 0x00f9 @@ -366,11 +275,6 @@ static const struct hid_input_blacklist { { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, - { VENDOR_ID_LOGITECH, DEVICE_ID_LOGITECH_RECEIVER, quirk_logitech_ultrax_remote }, - { VENDOR_ID_LOGITECH, DEVICE_ID_S510_RECEIVER, quirk_logitech_wireless }, - { VENDOR_ID_LOGITECH, DEVICE_ID_S510_RECEIVER_2, quirk_logitech_wireless }, - { VENDOR_ID_LOGITECH, DEVICE_ID_MX3000_RECEIVER, quirk_logitech_wireless }, - { VENDOR_ID_MICROSOFT, DEVICE_ID_MS4K, quirk_microsoft_ergonomy_kb }, { VENDOR_ID_MICROSOFT, DEVICE_ID_MS6K, quirk_microsoft_ergonomy_kb }, { VENDOR_ID_MICROSOFT, DEVICE_IS_MS_PRESENTER_8K_BT, quirk_microsoft_presenter_8k }, diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index be2c7a8ad254..4f2bac010f59 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -58,19 +58,6 @@ static const unsigned char hid_keyboard[256] = { 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk }; -/* extended mapping for certain Logitech hardware (Logitech cordless desktop LX500) */ -#define LOGITECH_EXPANDED_KEYMAP_SIZE 80 -static int logitech_expanded_keymap[LOGITECH_EXPANDED_KEYMAP_SIZE] = { - 0,216, 0,213,175,156, 0, 0, 0, 0, - 144, 0, 0, 0, 0, 0, 0, 0, 0,212, - 174,167,152,161,112, 0, 0, 0,154, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0,183,184,185,186,187, - 188,189,190,191,192,193,194, 0, 0, 0 -}; - static const struct { __s32 x; __s32 y; @@ -437,21 +424,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } } - /* Special handling for Logitech Cordless Desktop */ - if (field->application != HID_GD_MOUSE) { - if (device->quirks & HID_QUIRK_LOGITECH_EXPANDED_KEYMAP) { - int hid = usage->hid & HID_USAGE; - if (hid < LOGITECH_EXPANDED_KEYMAP_SIZE && logitech_expanded_keymap[hid] != 0) - code = logitech_expanded_keymap[hid]; - } - } else { - if (device->quirks & HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL) { - int hid = usage->hid & HID_USAGE; - if (hid == 7 || hid == 8) - goto ignore; - } - } - map_key(code); break; @@ -788,18 +760,8 @@ mapped: || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) goto ignore; - if ((device->quirks & HID_QUIRK_BAD_RELATIVE_KEYS) && - usage->type == EV_KEY && (field->flags & HID_MAIN_ITEM_RELATIVE)) - field->flags &= ~HID_MAIN_ITEM_RELATIVE; - set_bit(usage->type, input->evbit); - if (device->quirks & HID_QUIRK_DUPLICATE_USAGES && - (usage->type == EV_KEY || - usage->type == EV_REL || - usage->type == EV_ABS)) - clear_bit(usage->code, bit); - while (usage->code <= max && test_and_set_bit(usage->code, bit)) usage->code = find_next_zero_bit(bit, max + 1, usage->code); diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c new file mode 100644 index 000000000000..395e42ffb4d5 --- /dev/null +++ b/drivers/hid/hid-logitech.c @@ -0,0 +1,312 @@ +/* + * HID driver for some logitech "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +#define LG_RDESC 0x001 +#define LG_BAD_RELATIVE_KEYS 0x002 +#define LG_DUPLICATE_USAGES 0x004 +#define LG_RESET_LEDS 0x008 +#define LG_EXPANDED_KEYMAP 0x010 +#define LG_IGNORE_DOUBLED_WHEEL 0x020 +#define LG_WIRELESS 0x040 +#define LG_INVERT_HWHEEL 0x080 +#define LG_NOGET 0x100 + +/* + * Certain Logitech keyboards send in report #3 keys which are far + * above the logical maximum described in descriptor. This extends + * the original value of 0x28c of logical maximum to 0x104d + */ +static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 && + rdesc[84] == 0x8c && rdesc[85] == 0x02) { + dev_info(&hdev->dev, "fixing up Logitech keyboard report " + "descriptor\n"); + rdesc[84] = rdesc[89] = 0x4d; + rdesc[85] = rdesc[90] = 0x10; + } +} + +#define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) + +static int lg_ultrax_remote_mapping(struct hid_input *hi, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + /* Reported on Logitech Ultra X Media Remote */ + case 0x004: lg_map_key_clear(KEY_AGAIN); break; + case 0x00d: lg_map_key_clear(KEY_HOME); break; + case 0x024: lg_map_key_clear(KEY_SHUFFLE); break; + case 0x025: lg_map_key_clear(KEY_TV); break; + case 0x026: lg_map_key_clear(KEY_MENU); break; + case 0x031: lg_map_key_clear(KEY_AUDIO); break; + case 0x032: lg_map_key_clear(KEY_TEXT); break; + case 0x033: lg_map_key_clear(KEY_LAST); break; + case 0x047: lg_map_key_clear(KEY_MP3); break; + case 0x048: lg_map_key_clear(KEY_DVD); break; + case 0x049: lg_map_key_clear(KEY_MEDIA); break; + case 0x04a: lg_map_key_clear(KEY_VIDEO); break; + case 0x04b: lg_map_key_clear(KEY_ANGLE); break; + case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break; + case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break; + case 0x051: lg_map_key_clear(KEY_RED); break; + case 0x052: lg_map_key_clear(KEY_CLOSE); break; + + default: + return 0; + } + return 1; +} + +static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x1001: lg_map_key_clear(KEY_MESSENGER); break; + case 0x1003: lg_map_key_clear(KEY_SOUND); break; + case 0x1004: lg_map_key_clear(KEY_VIDEO); break; + case 0x1005: lg_map_key_clear(KEY_AUDIO); break; + case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break; + case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break; + case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break; + case 0x1013: lg_map_key_clear(KEY_CAMERA); break; + case 0x1014: lg_map_key_clear(KEY_MESSENGER); break; + case 0x1015: lg_map_key_clear(KEY_RECORD); break; + case 0x1016: lg_map_key_clear(KEY_PLAYER); break; + case 0x1017: lg_map_key_clear(KEY_EJECTCD); break; + case 0x1018: lg_map_key_clear(KEY_MEDIA); break; + case 0x1019: lg_map_key_clear(KEY_PROG1); break; + case 0x101a: lg_map_key_clear(KEY_PROG2); break; + case 0x101b: lg_map_key_clear(KEY_PROG3); break; + case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break; + case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break; + case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break; + case 0x1023: lg_map_key_clear(KEY_CLOSE); break; + case 0x1027: lg_map_key_clear(KEY_MENU); break; + /* this one is marked as 'Rotate' */ + case 0x1028: lg_map_key_clear(KEY_ANGLE); break; + case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break; + case 0x102a: lg_map_key_clear(KEY_BACK); break; + case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break; + case 0x1041: lg_map_key_clear(KEY_BATTERY); break; + case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break; + case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break; + case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break; + case 0x1045: lg_map_key_clear(KEY_UNDO); break; + case 0x1046: lg_map_key_clear(KEY_REDO); break; + case 0x1047: lg_map_key_clear(KEY_PRINT); break; + case 0x1048: lg_map_key_clear(KEY_SAVE); break; + case 0x1049: lg_map_key_clear(KEY_PROG1); break; + case 0x104a: lg_map_key_clear(KEY_PROG2); break; + case 0x104b: lg_map_key_clear(KEY_PROG3); break; + case 0x104c: lg_map_key_clear(KEY_PROG4); break; + + default: + return 0; + } + return 1; +} + +static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + /* extended mapping for certain Logitech hardware (Logitech cordless + desktop LX500) */ + static const u8 e_keymap[] = { + 0,216, 0,213,175,156, 0, 0, 0, 0, + 144, 0, 0, 0, 0, 0, 0, 0, 0,212, + 174,167,152,161,112, 0, 0, 0,154, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0,183,184,185,186,187, + 188,189,190,191,192,193,194, 0, 0, 0 + }; + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + unsigned int hid = usage->hid; + + if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER && + lg_ultrax_remote_mapping(hi, usage, bit, max)) + return 1; + + if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max)) + return 1; + + if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return 0; + + hid &= HID_USAGE; + + /* Special handling for Logitech Cordless Desktop */ + if (field->application == HID_GD_MOUSE) { + if ((quirks & LG_IGNORE_DOUBLED_WHEEL) && + (hid == 7 || hid == 8)) + return -1; + } else { + if ((quirks & LG_EXPANDED_KEYMAP) && + hid < ARRAY_SIZE(e_keymap) && + e_keymap[hid] != 0) { + hid_map_usage(hi, usage, bit, max, EV_KEY, + e_keymap[hid]); + return 1; + } + } + + return 0; +} + +static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY && + (field->flags & HID_MAIN_ITEM_RELATIVE)) + field->flags &= ~HID_MAIN_ITEM_RELATIVE; + + if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY || + usage->type == EV_REL || usage->type == EV_ABS)) + clear_bit(usage->code, *bit); + + return 0; +} + +static int lg_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) { + input_event(field->hidinput->input, usage->type, usage->code, + -value); + return 1; + } + + return 0; +} + +static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + if (quirks & LG_RESET_LEDS) + hdev->quirks |= HID_QUIRK_RESET_LEDS; + if (quirks & LG_NOGET) + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id lg_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), + .driver_data = LG_RDESC | LG_WIRELESS }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER), + .driver_data = LG_RDESC | LG_WIRELESS }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2), + .driver_data = LG_RDESC | LG_WIRELESS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER), + .driver_data = LG_BAD_RELATIVE_KEYS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP), + .driver_data = LG_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE), + .driver_data = LG_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI), + .driver_data = LG_DUPLICATE_USAGES }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD), + .driver_data = LG_RESET_LEDS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD), + .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500), + .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_LX3), + .driver_data = LG_INVERT_HWHEEL }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150), + .driver_data = LG_INVERT_HWHEEL }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D), + .driver_data = LG_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL), + .driver_data = LG_NOGET }, + { } +}; +MODULE_DEVICE_TABLE(hid, lg_devices); + +static struct hid_driver lg_driver = { + .name = "logitech", + .id_table = lg_devices, + .report_fixup = lg_report_fixup, + .input_mapping = lg_input_mapping, + .input_mapped = lg_input_mapped, + .event = lg_event, + .probe = lg_probe, +}; + +static int lg_init(void) +{ + return hid_register_driver(&lg_driver); +} + +static void lg_exit(void) +{ + hid_unregister_driver(&lg_driver); +} + +module_init(lg_init); +module_exit(lg_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 8b5ce9c9e353..48fdaa5db739 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -33,8 +33,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 }, { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS }, - { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD }, @@ -48,10 +46,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP, HID_QUIRK_DUPLICATE_USAGES }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI, HID_QUIRK_DUPLICATE_USAGES }, - { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, @@ -196,11 +190,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD, HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL | HID_QUIRK_LOGITECH_EXPANDED_KEYMAP }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500, HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL | HID_QUIRK_LOGITECH_EXPANDED_KEYMAP }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_LX3, HID_QUIRK_INVERT_HWHEEL }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150, HID_QUIRK_INVERT_HWHEEL }, - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS }, @@ -218,8 +207,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL, HID_QUIRK_NOGET }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0, HID_QUIRK_NOGET }, { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, @@ -259,7 +246,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD, HID_QUIRK_RESET_LEDS }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_2, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_3, HID_QUIRK_IGNORE }, @@ -339,9 +325,6 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_RDESC_LOGITECH }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_RDESC_LOGITECH }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_RDESC_LOGITECH }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 }, { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, @@ -611,23 +594,6 @@ static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize) } } - -/* - * Certain Logitech keyboards send in report #3 keys which are far - * above the logical maximum described in descriptor. This extends - * the original value of 0x28c of logical maximum to 0x104d - */ -static void usbhid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 90 && rdesc[83] == 0x26 - && rdesc[84] == 0x8c - && rdesc[85] == 0x02) { - printk(KERN_INFO "Fixing up Logitech keyboard report descriptor\n"); - rdesc[84] = rdesc[89] = 0x4d; - rdesc[85] = rdesc[90] = 0x10; - } -} - static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize) { if (rsize >= 107 && rdesc[104] == 0x26 @@ -753,9 +719,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if ((quirks & HID_QUIRK_RDESC_CYMOTION)) usbhid_fixup_cymotion_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_LOGITECH) - usbhid_fixup_logitech_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX) usbhid_fixup_cypress_descriptor(rdesc, rsize); diff --git a/include/linux/hid.h b/include/linux/hid.h index 986c0e7ea66a..e9c4154ba336 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -270,15 +270,11 @@ struct hid_item { #define HID_QUIRK_APPLE_FN_ON 0x00001000 #define HID_QUIRK_INVERT_HWHEEL 0x00002000 #define HID_QUIRK_APPLE_ISO_KEYBOARD 0x00004000 -#define HID_QUIRK_BAD_RELATIVE_KEYS 0x00008000 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_IGNORE_MOUSE 0x00020000 #define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 -#define HID_QUIRK_DUPLICATE_USAGES 0x00080000 #define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_HIDINPUT 0x00200000 -#define HID_QUIRK_LOGITECH_IGNORE_DOUBLED_WHEEL 0x00400000 -#define HID_QUIRK_LOGITECH_EXPANDED_KEYMAP 0x00800000 #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 #define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000 #define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 @@ -291,7 +287,6 @@ struct hid_item { */ #define HID_QUIRK_RDESC_CYMOTION 0x00000001 -#define HID_QUIRK_RDESC_LOGITECH 0x00000002 #define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004 #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010 -- GitLab From d458a9dfc4de24870b8c747484b1988726534bee Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:20 +0200 Subject: [PATCH 4765/6244] HID: move ignore quirks Move ignore quirks from usbhid-quirks into hid-core code. Also don't output warning when ENODEV is error code in usbhid and try ordinal input in hidp when that error is returned. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 163 +++++++++++++++++++++++++ drivers/hid/hid-ids.h | 66 +--------- drivers/hid/usbhid/hid-core.c | 6 +- drivers/hid/usbhid/hid-quirks.c | 210 -------------------------------- include/linux/hid.h | 1 - net/bluetooth/hidp/core.c | 2 +- 6 files changed, 168 insertions(+), 280 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index c3ff7b13a4be..08470ab295b1 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1237,6 +1237,164 @@ static struct bus_type hid_bus_type = { .uevent = hid_uevent, }; +static const struct hid_device_id hid_ignore_list[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM)}, + { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, + { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, + { } +}; + +static bool hid_ignore(struct hid_device *hdev) +{ + switch (hdev->vendor) { + case USB_VENDOR_ID_CODEMERCS: + /* ignore all Code Mercenaries IOWarrior devices */ + if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && + hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) + return true; + break; + case USB_VENDOR_ID_LOGITECH: + if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && + hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) + return true; + break; + } + + return !!hid_match_id(hdev, hid_ignore_list); +} + int hid_add_device(struct hid_device *hdev) { static atomic_t id = ATOMIC_INIT(0); @@ -1245,6 +1403,11 @@ int hid_add_device(struct hid_device *hdev) if (WARN_ON(hdev->status & HID_STAT_ADDED)) return -EBUSY; + /* we need to kill them here, otherwise they will stay allocated to + * wait for coming driver */ + if (hid_ignore(hdev)) + return -ENODEV; + /* XXX hack, any other cleaner solution < 20 bus_id bytes? */ sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus, hdev->vendor, hdev->product, atomic_inc_return(&id)); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index f4ef84ebe97b..23d021bd95d0 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -251,70 +251,8 @@ #define USB_DEVICE_ID_LOGITECH_LX3 0xc044 #define USB_DEVICE_ID_LOGITECH_V150 0xc047 #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 -#define USB_DEVICE_ID_LOGITECH_HARMONY 0xc110 -#define USB_DEVICE_ID_LOGITECH_HARMONY_2 0xc111 -#define USB_DEVICE_ID_LOGITECH_HARMONY_3 0xc112 -#define USB_DEVICE_ID_LOGITECH_HARMONY_4 0xc113 -#define USB_DEVICE_ID_LOGITECH_HARMONY_5 0xc114 -#define USB_DEVICE_ID_LOGITECH_HARMONY_6 0xc115 -#define USB_DEVICE_ID_LOGITECH_HARMONY_7 0xc116 -#define USB_DEVICE_ID_LOGITECH_HARMONY_8 0xc117 -#define USB_DEVICE_ID_LOGITECH_HARMONY_9 0xc118 -#define USB_DEVICE_ID_LOGITECH_HARMONY_10 0xc119 -#define USB_DEVICE_ID_LOGITECH_HARMONY_11 0xc11a -#define USB_DEVICE_ID_LOGITECH_HARMONY_12 0xc11b -#define USB_DEVICE_ID_LOGITECH_HARMONY_13 0xc11c -#define USB_DEVICE_ID_LOGITECH_HARMONY_14 0xc11d -#define USB_DEVICE_ID_LOGITECH_HARMONY_15 0xc11e -#define USB_DEVICE_ID_LOGITECH_HARMONY_16 0xc11f -#define USB_DEVICE_ID_LOGITECH_HARMONY_17 0xc120 -#define USB_DEVICE_ID_LOGITECH_HARMONY_18 0xc121 -#define USB_DEVICE_ID_LOGITECH_HARMONY_19 0xc122 -#define USB_DEVICE_ID_LOGITECH_HARMONY_20 0xc123 -#define USB_DEVICE_ID_LOGITECH_HARMONY_21 0xc124 -#define USB_DEVICE_ID_LOGITECH_HARMONY_22 0xc125 -#define USB_DEVICE_ID_LOGITECH_HARMONY_23 0xc126 -#define USB_DEVICE_ID_LOGITECH_HARMONY_24 0xc127 -#define USB_DEVICE_ID_LOGITECH_HARMONY_25 0xc128 -#define USB_DEVICE_ID_LOGITECH_HARMONY_26 0xc129 -#define USB_DEVICE_ID_LOGITECH_HARMONY_27 0xc12a -#define USB_DEVICE_ID_LOGITECH_HARMONY_28 0xc12b -#define USB_DEVICE_ID_LOGITECH_HARMONY_29 0xc12c -#define USB_DEVICE_ID_LOGITECH_HARMONY_30 0xc12d -#define USB_DEVICE_ID_LOGITECH_HARMONY_31 0xc12e -#define USB_DEVICE_ID_LOGITECH_HARMONY_32 0xc12f -#define USB_DEVICE_ID_LOGITECH_HARMONY_33 0xc130 -#define USB_DEVICE_ID_LOGITECH_HARMONY_34 0xc131 -#define USB_DEVICE_ID_LOGITECH_HARMONY_35 0xc132 -#define USB_DEVICE_ID_LOGITECH_HARMONY_36 0xc133 -#define USB_DEVICE_ID_LOGITECH_HARMONY_37 0xc134 -#define USB_DEVICE_ID_LOGITECH_HARMONY_38 0xc135 -#define USB_DEVICE_ID_LOGITECH_HARMONY_39 0xc136 -#define USB_DEVICE_ID_LOGITECH_HARMONY_40 0xc137 -#define USB_DEVICE_ID_LOGITECH_HARMONY_41 0xc138 -#define USB_DEVICE_ID_LOGITECH_HARMONY_42 0xc139 -#define USB_DEVICE_ID_LOGITECH_HARMONY_43 0xc13a -#define USB_DEVICE_ID_LOGITECH_HARMONY_44 0xc13b -#define USB_DEVICE_ID_LOGITECH_HARMONY_45 0xc13c -#define USB_DEVICE_ID_LOGITECH_HARMONY_46 0xc13d -#define USB_DEVICE_ID_LOGITECH_HARMONY_47 0xc13e -#define USB_DEVICE_ID_LOGITECH_HARMONY_48 0xc13f -#define USB_DEVICE_ID_LOGITECH_HARMONY_49 0xc140 -#define USB_DEVICE_ID_LOGITECH_HARMONY_50 0xc141 -#define USB_DEVICE_ID_LOGITECH_HARMONY_51 0xc142 -#define USB_DEVICE_ID_LOGITECH_HARMONY_52 0xc143 -#define USB_DEVICE_ID_LOGITECH_HARMONY_53 0xc144 -#define USB_DEVICE_ID_LOGITECH_HARMONY_54 0xc145 -#define USB_DEVICE_ID_LOGITECH_HARMONY_55 0xc146 -#define USB_DEVICE_ID_LOGITECH_HARMONY_56 0xc147 -#define USB_DEVICE_ID_LOGITECH_HARMONY_57 0xc148 -#define USB_DEVICE_ID_LOGITECH_HARMONY_58 0xc149 -#define USB_DEVICE_ID_LOGITECH_HARMONY_59 0xc14a -#define USB_DEVICE_ID_LOGITECH_HARMONY_60 0xc14b -#define USB_DEVICE_ID_LOGITECH_HARMONY_61 0xc14c -#define USB_DEVICE_ID_LOGITECH_HARMONY_62 0xc14d -#define USB_DEVICE_ID_LOGITECH_HARMONY_63 0xc14e -#define USB_DEVICE_ID_LOGITECH_HARMONY_64 0xc14f +#define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 +#define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f #define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index d2a3461909a3..9f5e100e95ec 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -791,9 +791,6 @@ static int usbhid_parse(struct hid_device *hid) quirks |= HID_QUIRK_NOGET; } - if (quirks & HID_QUIRK_IGNORE) - return -ENODEV; - if ((quirks & HID_QUIRK_IGNORE_MOUSE) && (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)) return -ENODEV; @@ -1082,7 +1079,8 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) ret = hid_add_device(hid); if (ret) { - dev_err(&intf->dev, "can't add hid device: %d\n", ret); + if (ret != -ENODEV) + dev_err(&intf->dev, "can't add hid device: %d\n", ret); goto err; } diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 48fdaa5db739..466d608ba6ac 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -55,140 +55,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193, HID_QUIRK_HWHEEL_WHEEL_INVERT }, - { USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM, HID_QUIRK_IGNORE}, - { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_CIDC, 0x0103, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GENERAL_TOUCH, 0x0001, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GENERAL_TOUCH, 0x0002, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GENERAL_TOUCH, 0x0003, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GENERAL_TOUCH, 0x0004, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE }, - - { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE }, - - { USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS }, @@ -246,72 +112,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_2, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_3, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_4, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_5, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_6, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_7, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_8, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_9, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_10, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_11, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_12, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_13, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_14, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_15, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_16, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_17, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_18, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_19, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_20, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_21, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_22, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_23, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_24, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_25, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_26, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_27, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_28, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_29, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_30, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_31, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_32, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_33, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_34, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_35, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_36, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_37, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_38, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_39, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_40, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_41, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_42, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_43, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_44, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_45, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_46, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_47, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_48, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_49, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_50, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_51, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_52, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_53, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_54, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_55, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_56, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_57, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_58, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_59, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_60, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_61, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_62, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_63, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_64, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY, HID_QUIRK_IGNORE }, - { USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560, HID_QUIRK_IGNORE }, { 0, 0 } }; @@ -552,16 +352,6 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) u32 quirks = 0; const struct hid_blacklist *bl_entry = NULL; - /* Ignore all Wacom devices */ - if (idVendor == USB_VENDOR_ID_WACOM) - return HID_QUIRK_IGNORE; - - /* ignore all Code Mercenaries IOWarrior devices */ - if (idVendor == USB_VENDOR_ID_CODEMERCS) - if (idProduct >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && - idProduct <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) - return HID_QUIRK_IGNORE; - /* NCR devices must not be queried for reports */ if (idVendor == USB_VENDOR_ID_NCR && idProduct >= USB_DEVICE_ID_NCR_FIRST && diff --git a/include/linux/hid.h b/include/linux/hid.h index e9c4154ba336..0644fd33b983 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -257,7 +257,6 @@ struct hid_item { #define HID_QUIRK_INVERT 0x00000001 #define HID_QUIRK_NOTOUCH 0x00000002 -#define HID_QUIRK_IGNORE 0x00000004 #define HID_QUIRK_NOGET 0x00000008 #define HID_QUIRK_HIDDEV 0x00000010 #define HID_QUIRK_BADPAD 0x00000020 diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index d8029cfcd452..4ae3207e8a98 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -864,7 +864,7 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock, if (req->rd_size > 0) { err = hidp_setup_hid(session, req); - if (err) + if (err && err != -ENODEV) goto err_skb; } -- GitLab From 8c19a51591d06f5226499972567f528cf6066bb7 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 18 Jun 2008 23:36:49 +0200 Subject: [PATCH 4766/6244] HID: move apple quirks Move them from the core code to a separate driver. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 14 + drivers/hid/Makefile | 1 + drivers/hid/hid-apple.c | 479 ++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 32 +++ drivers/hid/hid-input-quirks.c | 8 - drivers/hid/hid-input.c | 221 +-------------- drivers/hid/usbhid/Kconfig | 11 - drivers/hid/usbhid/hid-core.c | 4 - drivers/hid/usbhid/hid-quirks.c | 49 ---- drivers/hid/usbhid/usbmouse.c | 5 + include/linux/hid.h | 13 - net/bluetooth/hidp/core.c | 22 -- 12 files changed, 532 insertions(+), 327 deletions(-) create mode 100644 drivers/hid/hid-apple.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 066e8c08c268..41283fff5145 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -70,6 +70,20 @@ source "drivers/hid/usbhid/Kconfig" menu "Special HID drivers" depends on HID +config HID_APPLE + tristate "Apple" + default m + depends on (USB_HID || BT_HIDP) + ---help--- + Support for some Apple devices which less or more break + HID specification. + + Say Y here if you want support for the special keys (Fn, Numlock) on + Apple iBooks, PowerBooks, MacBooks, MacBook Pros and aluminum USB + keyboards. + + If unsure, say M. + config HID_LOGITECH tristate "Logitech" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index cae036bfe837..4a14821ceefa 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_HID) += hid.o hid-$(CONFIG_HID_DEBUG) += hid-debug.o hid-$(CONFIG_HIDRAW) += hidraw.o +obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c new file mode 100644 index 000000000000..5642e2c685fc --- /dev/null +++ b/drivers/hid/hid-apple.c @@ -0,0 +1,479 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define APPLE_RDESC_JIS 0x0001 +#define APPLE_IGNORE_MOUSE 0x0002 +#define APPLE_HAS_FN 0x0004 +#define APPLE_HIDDEV 0x0008 +#define APPLE_ISO_KEYBOARD 0x0010 +#define APPLE_MIGHTYMOUSE 0x0020 +#define APPLE_INVERT_HWHEEL 0x0040 +#define APPLE_IGNORE_HIDINPUT 0x0080 +#define APPLE_NUMLOCK_EMULATION 0x0100 + +#define APPLE_FLAG_FKEY 0x01 + +static unsigned int fnmode = 1; +module_param(fnmode, uint, 0644); +MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, " + "[1] = fkeyslast, 2 = fkeysfirst)"); + +struct apple_sc { + unsigned long quirks; + unsigned int fn_on; + DECLARE_BITMAP(pressed_fn, KEY_CNT); + DECLARE_BITMAP(pressed_numlock, KEY_CNT); +}; + +struct apple_key_translation { + u16 from; + u16 to; + u8 flags; +}; + +static struct apple_key_translation apple_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Exposé */ + { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ + { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_numlock_keys[] = { + { KEY_J, KEY_KP1 }, + { KEY_K, KEY_KP2 }, + { KEY_L, KEY_KP3 }, + { KEY_U, KEY_KP4 }, + { KEY_I, KEY_KP5 }, + { KEY_O, KEY_KP6 }, + { KEY_7, KEY_KP7 }, + { KEY_8, KEY_KP8 }, + { KEY_9, KEY_KP9 }, + { KEY_M, KEY_KP0 }, + { KEY_DOT, KEY_KPDOT }, + { KEY_SLASH, KEY_KPPLUS }, + { KEY_SEMICOLON, KEY_KPMINUS }, + { KEY_P, KEY_KPASTERISK }, + { KEY_MINUS, KEY_KPEQUAL }, + { KEY_0, KEY_KPSLASH }, + { KEY_F6, KEY_NUMLOCK }, + { KEY_KPENTER, KEY_KPENTER }, + { KEY_BACKSPACE, KEY_BACKSPACE }, + { } +}; + +static struct apple_key_translation apple_iso_keyboard[] = { + { KEY_GRAVE, KEY_102ND }, + { KEY_102ND, KEY_GRAVE }, + { } +}; + +static struct apple_key_translation *apple_find_translation( + struct apple_key_translation *table, u16 from) +{ + struct apple_key_translation *trans; + + /* Look for the translation */ + for (trans = table; trans->from; trans++) + if (trans->from == from) + return trans; + + return NULL; +} + +static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hid); + struct apple_key_translation *trans; + + if (usage->code == KEY_FN) { + asc->fn_on = !!value; + input_event(input, usage->type, usage->code, value); + return 1; + } + + if (fnmode) { + int do_translate; + + trans = apple_find_translation((hid->product < 0x220 || + hid->product >= 0x300) ? + powerbook_fn_keys : apple_fn_keys, + usage->code); + if (trans) { + if (test_bit(usage->code, asc->pressed_fn)) + do_translate = 1; + else if (trans->flags & APPLE_FLAG_FKEY) + do_translate = (fnmode == 2 && asc->fn_on) || + (fnmode == 1 && !asc->fn_on); + else + do_translate = asc->fn_on; + + if (do_translate) { + if (value) + set_bit(usage->code, asc->pressed_fn); + else + clear_bit(usage->code, asc->pressed_fn); + + input_event(input, usage->type, trans->to, + value); + + return 1; + } + } + + if (asc->quirks & APPLE_NUMLOCK_EMULATION && + (test_bit(usage->code, asc->pressed_numlock) || + test_bit(LED_NUML, input->led))) { + trans = apple_find_translation(powerbook_numlock_keys, + usage->code); + + if (trans) { + if (value) + set_bit(usage->code, + asc->pressed_numlock); + else + clear_bit(usage->code, + asc->pressed_numlock); + + input_event(input, usage->type, trans->to, + value); + } + + return 1; + } + } + + if (asc->quirks & APPLE_ISO_KEYBOARD) { + trans = apple_find_translation(apple_iso_keyboard, usage->code); + if (trans) { + input_event(input, usage->type, trans->to, value); + return 1; + } + } + + return 0; +} + +static int apple_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + if ((asc->quirks & APPLE_INVERT_HWHEEL) && + usage->code == REL_HWHEEL) { + input_event(field->hidinput->input, usage->type, usage->code, + -value); + return 1; + } + + if ((asc->quirks & APPLE_HAS_FN) && + hidinput_apple_event(hdev, field->hidinput->input, + usage, value)) + return 1; + + + return 0; +} + +/* + * MacBook JIS keyboard has wrong logical maximum + */ +static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 && + rdesc[53] == 0x65 && rdesc[59] == 0x65) { + dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " + "descriptor\n"); + rdesc[53] = rdesc[59] = 0xe7; + } +} + +static void apple_setup_input(struct input_dev *input) +{ + struct apple_key_translation *trans; + + set_bit(KEY_NUMLOCK, input->keybit); + + /* Enable all needed keys */ + for (trans = apple_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_numlock_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = apple_iso_keyboard; trans->from; trans++) + set_bit(trans->to, input->keybit); +} + +static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->hid == (HID_UP_CUSTOM | 0x0003)) { + /* The fn key on Apple USB keyboards */ + set_bit(EV_REP, hi->input->evbit); + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); + apple_setup_input(hi->input); + return 1; + } + + /* we want the hid layer to go through standard path (set and ignore) */ + return 0; +} + +static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (asc->quirks & APPLE_MIGHTYMOUSE) { + if (usage->hid == HID_GD_Z) + hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); + else if (usage->code == BTN_1) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2); + else if (usage->code == BTN_2) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1); + } + + return 0; +} + +static int apple_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + struct apple_sc *asc; + int ret; + + /* return something else or move to hid layer? device will reside + allocated */ + if (id->bus == BUS_USB && (quirks & APPLE_IGNORE_MOUSE) && + to_usb_interface(hdev->dev.parent)->cur_altsetting-> + desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) + return -ENODEV; + + asc = kzalloc(sizeof(*asc), GFP_KERNEL); + if (asc == NULL) { + dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + return -ENOMEM; + } + + asc->quirks = quirks; + + hid_set_drvdata(hdev, asc); + + if (quirks & APPLE_HIDDEV) + hdev->quirks |= HID_QUIRK_HIDDEV; + if (quirks & APPLE_IGNORE_HIDINPUT) + hdev->quirks |= HID_QUIRK_IGNORE_HIDINPUT; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + kfree(asc); + return ret; +} + +static void apple_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); + kfree(hid_get_drvdata(hdev)); +} + +static const struct hid_device_id apple_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE | APPLE_RDESC_JIS}, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_IGNORE_MOUSE }, + + /* Apple wireless Mighty Mouse */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { } +}; +MODULE_DEVICE_TABLE(hid, apple_devices); + +static struct hid_driver apple_driver = { + .name = "apple", + .id_table = apple_devices, + .report_fixup = apple_report_fixup, + .probe = apple_probe, + .remove = apple_remove, + .event = apple_event, + .input_mapping = apple_input_mapping, + .input_mapped = apple_input_mapped, +}; + +static int apple_init(void) +{ + int ret; + + ret = hid_register_driver(&apple_driver); + if (ret) + printk(KERN_ERR "can't register apple driver\n"); + + return ret; +} + +static void apple_exit(void) +{ + hid_unregister_driver(&apple_driver); +} + +module_init(apple_init); +module_exit(apple_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 08470ab295b1..8e3c264c9b2b 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1130,6 +1130,36 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev, } static const struct hid_device_id hid_blacklist[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, @@ -1144,6 +1174,8 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, { } }; diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 10451ca3a786..878e193c6d75 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -331,19 +331,11 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc return 1; } - if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) { - input_event(input, usage->type, usage->code, -value); - return 1; - } - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { input_event(input, usage->type, REL_HWHEEL, value); return 1; } - if ((hid->quirks & HID_QUIRK_APPLE_HAS_FN) && hidinput_apple_event(hid, input, usage, value)) - return 1; - /* Handling MS keyboards special buttons */ if (hid->quirks & HID_QUIRK_MICROSOFT_KEYS && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 4f2bac010f59..76ddf23f1965 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -32,11 +32,6 @@ #include #include -static int hid_apple_fnmode = 1; -module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644); -MODULE_PARM_DESC(pb_fnmode, - "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)"); - #define unk KEY_UNKNOWN static const unsigned char hid_keyboard[256] = { @@ -73,202 +68,6 @@ static const struct { #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ &max, EV_KEY, (c)) -#ifdef CONFIG_USB_HIDINPUT_POWERBOOK - -struct hidinput_key_translation { - u16 from; - u16 to; - u8 flags; -}; - -#define APPLE_FLAG_FKEY 0x01 - -static struct hidinput_key_translation apple_fn_keys[] = { - { KEY_BACKSPACE, KEY_DELETE }, - { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, - { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, - { KEY_F3, KEY_FN_F5, APPLE_FLAG_FKEY }, /* Exposé */ - { KEY_F4, KEY_FN_F4, APPLE_FLAG_FKEY }, /* Dashboard */ - { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, - { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, - { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, - { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, - { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, - { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, - { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, - { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, - { KEY_UP, KEY_PAGEUP }, - { KEY_DOWN, KEY_PAGEDOWN }, - { KEY_LEFT, KEY_HOME }, - { KEY_RIGHT, KEY_END }, - { } -}; - -static struct hidinput_key_translation powerbook_fn_keys[] = { - { KEY_BACKSPACE, KEY_DELETE }, - { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, - { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, - { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, - { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, - { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, - { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, - { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, - { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, - { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, - { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, - { KEY_UP, KEY_PAGEUP }, - { KEY_DOWN, KEY_PAGEDOWN }, - { KEY_LEFT, KEY_HOME }, - { KEY_RIGHT, KEY_END }, - { } -}; - -static struct hidinput_key_translation powerbook_numlock_keys[] = { - { KEY_J, KEY_KP1 }, - { KEY_K, KEY_KP2 }, - { KEY_L, KEY_KP3 }, - { KEY_U, KEY_KP4 }, - { KEY_I, KEY_KP5 }, - { KEY_O, KEY_KP6 }, - { KEY_7, KEY_KP7 }, - { KEY_8, KEY_KP8 }, - { KEY_9, KEY_KP9 }, - { KEY_M, KEY_KP0 }, - { KEY_DOT, KEY_KPDOT }, - { KEY_SLASH, KEY_KPPLUS }, - { KEY_SEMICOLON, KEY_KPMINUS }, - { KEY_P, KEY_KPASTERISK }, - { KEY_MINUS, KEY_KPEQUAL }, - { KEY_0, KEY_KPSLASH }, - { KEY_F6, KEY_NUMLOCK }, - { KEY_KPENTER, KEY_KPENTER }, - { KEY_BACKSPACE, KEY_BACKSPACE }, - { } -}; - -static struct hidinput_key_translation apple_iso_keyboard[] = { - { KEY_GRAVE, KEY_102ND }, - { KEY_102ND, KEY_GRAVE }, - { } -}; - -static struct hidinput_key_translation *find_translation(struct hidinput_key_translation *table, u16 from) -{ - struct hidinput_key_translation *trans; - - /* Look for the translation */ - for (trans = table; trans->from; trans++) - if (trans->from == from) - return trans; - - return NULL; -} - -int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, - struct hid_usage *usage, __s32 value) -{ - struct hidinput_key_translation *trans; - - if (usage->code == KEY_FN) { - if (value) hid->quirks |= HID_QUIRK_APPLE_FN_ON; - else hid->quirks &= ~HID_QUIRK_APPLE_FN_ON; - - input_event(input, usage->type, usage->code, value); - - return 1; - } - - if (hid_apple_fnmode) { - int do_translate; - - trans = find_translation((hid->product < 0x220 || - hid->product >= 0x300) ? - powerbook_fn_keys : apple_fn_keys, - usage->code); - if (trans) { - if (test_bit(usage->code, hid->apple_pressed_fn)) - do_translate = 1; - else if (trans->flags & APPLE_FLAG_FKEY) - do_translate = - (hid_apple_fnmode == 2 && (hid->quirks & HID_QUIRK_APPLE_FN_ON)) || - (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON)); - else - do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON); - - if (do_translate) { - if (value) - set_bit(usage->code, hid->apple_pressed_fn); - else - clear_bit(usage->code, hid->apple_pressed_fn); - - input_event(input, usage->type, trans->to, value); - - return 1; - } - } - - if (hid->quirks & HID_QUIRK_APPLE_NUMLOCK_EMULATION && ( - test_bit(usage->code, hid->pb_pressed_numlock) || - test_bit(LED_NUML, input->led))) { - trans = find_translation(powerbook_numlock_keys, usage->code); - - if (trans) { - if (value) - set_bit(usage->code, hid->pb_pressed_numlock); - else - clear_bit(usage->code, hid->pb_pressed_numlock); - - input_event(input, usage->type, trans->to, value); - } - - return 1; - } - } - - if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) { - trans = find_translation(apple_iso_keyboard, usage->code); - if (trans) { - input_event(input, usage->type, trans->to, value); - return 1; - } - } - - return 0; -} - -static void hidinput_apple_setup(struct input_dev *input) -{ - struct hidinput_key_translation *trans; - - set_bit(KEY_NUMLOCK, input->keybit); - - /* Enable all needed keys */ - for (trans = apple_fn_keys; trans->from; trans++) - set_bit(trans->to, input->keybit); - - for (trans = powerbook_fn_keys; trans->from; trans++) - set_bit(trans->to, input->keybit); - - for (trans = powerbook_numlock_keys; trans->from; trans++) - set_bit(trans->to, input->keybit); - - for (trans = apple_iso_keyboard; trans->from; trans++) - set_bit(trans->to, input->keybit); - -} -#else -inline int hidinput_apple_event(struct hid_device *hid, - struct input_dev *input, - struct hid_usage *usage, __s32 value) -{ - return 0; -} - -static inline void hidinput_apple_setup(struct input_dev *input) -{ -} -#endif - static inline int match_scancode(int code, int scancode) { if (scancode == 0) @@ -696,16 +495,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ set_bit(EV_REP, input->evbit); - switch(usage->hid & HID_USAGE) { - case 0x003: - /* The fn key on Apple USB keyboards */ - map_key_clear(KEY_FN); - hidinput_apple_setup(input); - break; - - default: goto ignore; - } - break; + goto ignore; case HID_UP_LOGIVENDOR: @@ -742,15 +532,6 @@ mapped: hidinput, field, usage, &bit, &max) < 0) goto ignore; - if (device->quirks & HID_QUIRK_MIGHTYMOUSE) { - if (usage->hid == HID_GD_Z) - map_rel(REL_HWHEEL); - else if (usage->code == BTN_1) - map_key(BTN_2); - else if (usage->code == BTN_2) - map_key(BTN_1); - } - if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 | HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && (usage->code == REL_WHEEL)) diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 18f09104765c..177bfa1a3e5b 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -24,17 +24,6 @@ config USB_HID comment "Input core support is needed for USB HID input layer or HIDBP support" depends on USB_HID && INPUT=n -config USB_HIDINPUT_POWERBOOK - bool "Enable support for Apple laptop/aluminum USB special keys" - default n - depends on USB_HID - help - Say Y here if you want support for the special keys (Fn, Numlock) on - Apple iBooks, PowerBooks, MacBooks, MacBook Pros and aluminum USB - keyboards. - - If unsure, say N. - config HID_FF bool "Force feedback support (EXPERIMENTAL)" depends on USB_HID && EXPERIMENTAL diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 9f5e100e95ec..972680820730 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -791,10 +791,6 @@ static int usbhid_parse(struct hid_device *hid) quirks |= HID_QUIRK_NOGET; } - if ((quirks & HID_QUIRK_IGNORE_MOUSE) && - (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)) - return -ENODEV; - if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && (!interface->desc.bNumEndpoints || usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) { diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 466d608ba6ac..4c5ee9ecd40a 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -49,7 +49,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV, HID_QUIRK_HIDINPUT }, @@ -59,8 +58,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL }, - { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, @@ -82,35 +79,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_APPLE_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI, HID_QUIRK_APPLE_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS, HID_QUIRK_APPLE_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD | HID_QUIRK_IGNORE_MOUSE}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE}, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_IGNORE_MOUSE }, - { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS }, { 0, 0 } @@ -129,8 +97,6 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, - { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_RDESC_MACBOOK_JIS }, - { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, @@ -461,18 +427,6 @@ static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize) printk(KERN_INFO "Fixing up Cypress report descriptor\n"); } -/* - * MacBook JIS keyboard has wrong logical maximum - */ -static void usbhid_fixup_macbook_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 60 && rdesc[53] == 0x65 - && rdesc[59] == 0x65) { - printk(KERN_INFO "Fixing up MacBook JIS keyboard report descriptor\n"); - rdesc[53] = rdesc[59] = 0xe7; - } -} - static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize) { if (rsize >= 30 && rdesc[29] == 0x05 @@ -515,9 +469,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if (quirks & HID_QUIRK_RDESC_PETALYNX) usbhid_fixup_petalynx_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_MACBOOK_JIS) - usbhid_fixup_macbook_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER) usbhid_fixup_button_consumer_descriptor(rdesc, rsize); diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c index 35689ef172cc..a89646a3c1fc 100644 --- a/drivers/hid/usbhid/usbmouse.c +++ b/drivers/hid/usbhid/usbmouse.c @@ -31,6 +31,11 @@ #include #include +/* for apple IDs */ +#ifdef CONFIG_USB_HID_MODULE +#include "../hid-ids.h" +#endif + /* * Version Information */ diff --git a/include/linux/hid.h b/include/linux/hid.h index 0644fd33b983..75cc1531dd84 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -264,13 +264,7 @@ struct hid_item { #define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x00000080 #define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 -#define HID_QUIRK_MIGHTYMOUSE 0x00000400 -#define HID_QUIRK_APPLE_HAS_FN 0x00000800 -#define HID_QUIRK_APPLE_FN_ON 0x00001000 -#define HID_QUIRK_INVERT_HWHEEL 0x00002000 -#define HID_QUIRK_APPLE_ISO_KEYBOARD 0x00004000 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 -#define HID_QUIRK_IGNORE_MOUSE 0x00020000 #define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 #define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_HIDINPUT 0x00200000 @@ -279,7 +273,6 @@ struct hid_item { #define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 #define HID_QUIRK_MICROSOFT_KEYS 0x08000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 -#define HID_QUIRK_APPLE_NUMLOCK_EMULATION 0x20000000 /* * Separate quirks for runtime report descriptor fixup @@ -288,7 +281,6 @@ struct hid_item { #define HID_QUIRK_RDESC_CYMOTION 0x00000001 #define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004 #define HID_QUIRK_RDESC_PETALYNX 0x00000008 -#define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 #define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080 @@ -475,10 +467,6 @@ struct hid_device { /* device report descriptor */ /* handler for raw output data, used by hidraw */ int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t); -#ifdef CONFIG_USB_HIDINPUT_POWERBOOK - unsigned long apple_pressed_fn[BITS_TO_LONGS(KEY_CNT)]; - unsigned long pb_pressed_numlock[BITS_TO_LONGS(KEY_CNT)]; -#endif }; static inline void *hid_get_drvdata(struct hid_device *hdev) @@ -652,7 +640,6 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int int hidinput_mapping_quirks(struct hid_usage *, struct hid_input *, unsigned long **, int *); int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); -int hidinput_apple_event(struct hid_device *, struct input_dev *, struct hid_usage *, __s32); void hid_output_report(struct hid_report *report, __u8 *data); struct hid_device *hid_allocate_device(void); int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 4ae3207e8a98..f3d830747b96 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -683,27 +683,6 @@ static void hidp_close(struct hid_device *hid) { } -static const struct { - __u16 idVendor; - __u16 idProduct; - unsigned quirks; -} hidp_blacklist[] = { - /* Apple wireless Mighty Mouse */ - { 0x05ac, 0x030c, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL }, - - { } /* Terminating entry */ -}; - -static void hidp_setup_quirks(struct hid_device *hid) -{ - unsigned int n; - - for (n = 0; hidp_blacklist[n].idVendor; n++) - if (hidp_blacklist[n].idVendor == le16_to_cpu(hid->vendor) && - hidp_blacklist[n].idProduct == le16_to_cpu(hid->product)) - hid->quirks = hidp_blacklist[n].quirks; -} - static int hidp_parse(struct hid_device *hid) { struct hidp_session *session = hid->driver_data; @@ -729,7 +708,6 @@ static int hidp_parse(struct hid_device *hid) session->req = NULL; - hidp_setup_quirks(hid); return 0; } -- GitLab From 02ae9a1a8bc1d08a8fd5f6a0b8bde400b0f891b9 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 16 May 2008 11:49:22 +0200 Subject: [PATCH 4767/6244] HID: add compat support Add compat option to hid code to allow loading of all modules on systems which don't allow autoloading because of old userspace. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- Documentation/feature-removal-schedule.txt | 7 +++++++ drivers/hid/Kconfig | 12 ++++++++++++ drivers/hid/Makefile | 4 ++++ drivers/hid/hid-apple.c | 2 ++ drivers/hid/hid-core.c | 12 ++++++++++++ drivers/hid/hid-dummy.c | 18 ++++++++++++++++++ drivers/hid/hid-logitech.c | 2 ++ include/linux/hid.h | 17 +++++++++++++++-- 8 files changed, 72 insertions(+), 2 deletions(-) create mode 100644 drivers/hid/hid-dummy.c diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index cc8093c15cf5..4d2566a7d168 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -287,6 +287,13 @@ Who: Glauber Costa --------------------------- +What: remove HID compat support +When: 2.6.29 +Why: needed only as a temporary solution until distros fix themselves up +Who: Jiri Slaby + +--------------------------- + What: /sys/o2cb symlink When: January 2010 Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 41283fff5145..d9d1a5671d95 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -70,6 +70,18 @@ source "drivers/hid/usbhid/Kconfig" menu "Special HID drivers" depends on HID +config HID_COMPAT + bool "Load all HID drivers on hid core load" + default y + ---help--- + Compatible option for older userspace. If you have system without udev + support of module loading through aliases and also old + module-init-tools which can't handle hid bus, choose Y here. Otherwise + say N. If you say N and your userspace is old enough, the only + functionality you loose is modules autoloading. + + If unsure, say Y. + config HID_APPLE tristate "Apple" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 4a14821ceefa..8e053eca4742 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -8,6 +8,10 @@ obj-$(CONFIG_HID) += hid.o hid-$(CONFIG_HID_DEBUG) += hid-debug.o hid-$(CONFIG_HIDRAW) += hidraw.o +ifdef CONFIG_HID_COMPAT +obj-m += hid-dummy.o +endif + obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 5642e2c685fc..2a68661fcea8 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -477,3 +477,5 @@ static void apple_exit(void) module_init(apple_init); module_exit(apple_exit); MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(apple); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8e3c264c9b2b..397e1b2ffe5a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1532,6 +1532,14 @@ void hid_unregister_driver(struct hid_driver *hdrv) } EXPORT_SYMBOL_GPL(hid_unregister_driver); +#ifdef CONFIG_HID_COMPAT +static void hid_compat_load(struct work_struct *ws) +{ + request_module("hid-dummy"); +} +static DECLARE_WORK(hid_compat_work, hid_compat_load); +#endif + static int __init hid_init(void) { int ret; @@ -1546,6 +1554,10 @@ static int __init hid_init(void) if (ret) goto err_bus; +#ifdef CONFIG_HID_COMPAT + schedule_work(&hid_compat_work); +#endif + return 0; err_bus: bus_unregister(&hid_bus_type); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c new file mode 100644 index 000000000000..b76c44efe1b8 --- /dev/null +++ b/drivers/hid/hid-dummy.c @@ -0,0 +1,18 @@ +#include +#include +#include + +static int __init hid_dummy_init(void) +{ +#ifdef CONFIG_HID_APPLE_MODULE + HID_COMPAT_CALL_DRIVER(apple); +#endif +#ifdef CONFIG_HID_LOGITECH_MODULE + HID_COMPAT_CALL_DRIVER(logitech); +#endif + + return -EIO; +} +module_init(hid_dummy_init); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c index 395e42ffb4d5..b2aaebe1ac05 100644 --- a/drivers/hid/hid-logitech.c +++ b/drivers/hid/hid-logitech.c @@ -310,3 +310,5 @@ static void lg_exit(void) module_init(lg_init); module_exit(lg_exit); MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(logitech); diff --git a/include/linux/hid.h b/include/linux/hid.h index 75cc1531dd84..60e44e6b86e6 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -790,10 +790,23 @@ dbg_hid(const char *fmt, ...) return 0; } #define dbg_hid_line dbg_hid -#endif +#endif /* HID_DEBUG */ #define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \ __FILE__ , ## arg) -#endif +#endif /* HID_FF */ + +#ifdef CONFIG_HID_COMPAT +#define HID_COMPAT_LOAD_DRIVER(name) \ +void hid_compat_##name(void) { } \ +EXPORT_SYMBOL(hid_compat_##name) +#else +#define HID_COMPAT_LOAD_DRIVER(name) +#endif /* HID_COMPAT */ +#define HID_COMPAT_CALL_DRIVER(name) do { \ + extern void hid_compat_##name(void); \ + hid_compat_##name(); \ +} while (0) + #endif -- GitLab From 880d29f109428be1d027adf919a7457d8fe41fd3 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 18 Jun 2008 23:55:41 +0200 Subject: [PATCH 4768/6244] HID: indent switches/cases Bring switch and cases into coding style and save thus some indentation to make the code tighter. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 342 ++++++++++---------- drivers/hid/hid-input.c | 585 +++++++++++++++++----------------- drivers/hid/usbhid/hid-core.c | 103 +++--- 3 files changed, 508 insertions(+), 522 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 397e1b2ffe5a..5e62e010d805 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -270,9 +270,9 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign static u32 item_udata(struct hid_item *item) { switch (item->size) { - case 1: return item->data.u8; - case 2: return item->data.u16; - case 4: return item->data.u32; + case 1: return item->data.u8; + case 2: return item->data.u16; + case 4: return item->data.u32; } return 0; } @@ -280,9 +280,9 @@ static u32 item_udata(struct hid_item *item) static s32 item_sdata(struct hid_item *item) { switch (item->size) { - case 1: return item->data.s8; - case 2: return item->data.s16; - case 4: return item->data.s32; + case 1: return item->data.s8; + case 2: return item->data.s16; + case 4: return item->data.s32; } return 0; } @@ -294,87 +294,91 @@ static s32 item_sdata(struct hid_item *item) static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) { switch (item->tag) { + case HID_GLOBAL_ITEM_TAG_PUSH: - case HID_GLOBAL_ITEM_TAG_PUSH: - - if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { - dbg_hid("global enviroment stack overflow\n"); - return -1; - } - - memcpy(parser->global_stack + parser->global_stack_ptr++, - &parser->global, sizeof(struct hid_global)); - return 0; + if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { + dbg_hid("global enviroment stack overflow\n"); + return -1; + } - case HID_GLOBAL_ITEM_TAG_POP: + memcpy(parser->global_stack + parser->global_stack_ptr++, + &parser->global, sizeof(struct hid_global)); + return 0; - if (!parser->global_stack_ptr) { - dbg_hid("global enviroment stack underflow\n"); - return -1; - } + case HID_GLOBAL_ITEM_TAG_POP: - memcpy(&parser->global, parser->global_stack + --parser->global_stack_ptr, - sizeof(struct hid_global)); - return 0; + if (!parser->global_stack_ptr) { + dbg_hid("global enviroment stack underflow\n"); + return -1; + } - case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: - parser->global.usage_page = item_udata(item); - return 0; + memcpy(&parser->global, parser->global_stack + + --parser->global_stack_ptr, sizeof(struct hid_global)); + return 0; - case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: - parser->global.logical_minimum = item_sdata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: + parser->global.usage_page = item_udata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: - if (parser->global.logical_minimum < 0) - parser->global.logical_maximum = item_sdata(item); - else - parser->global.logical_maximum = item_udata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: + parser->global.logical_minimum = item_sdata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: - parser->global.physical_minimum = item_sdata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: + if (parser->global.logical_minimum < 0) + parser->global.logical_maximum = item_sdata(item); + else + parser->global.logical_maximum = item_udata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: - if (parser->global.physical_minimum < 0) - parser->global.physical_maximum = item_sdata(item); - else - parser->global.physical_maximum = item_udata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: + parser->global.physical_minimum = item_sdata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: - parser->global.unit_exponent = item_sdata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: + if (parser->global.physical_minimum < 0) + parser->global.physical_maximum = item_sdata(item); + else + parser->global.physical_maximum = item_udata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_UNIT: - parser->global.unit = item_udata(item); - return 0; + case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: + parser->global.unit_exponent = item_sdata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: - if ((parser->global.report_size = item_udata(item)) > 32) { - dbg_hid("invalid report_size %d\n", parser->global.report_size); - return -1; - } - return 0; + case HID_GLOBAL_ITEM_TAG_UNIT: + parser->global.unit = item_udata(item); + return 0; - case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: - if ((parser->global.report_count = item_udata(item)) > HID_MAX_USAGES) { - dbg_hid("invalid report_count %d\n", parser->global.report_count); - return -1; - } - return 0; + case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: + parser->global.report_size = item_udata(item); + if (parser->global.report_size > 32) { + dbg_hid("invalid report_size %d\n", + parser->global.report_size); + return -1; + } + return 0; - case HID_GLOBAL_ITEM_TAG_REPORT_ID: - if ((parser->global.report_id = item_udata(item)) == 0) { - dbg_hid("report_id 0 is invalid\n"); - return -1; - } - return 0; + case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: + parser->global.report_count = item_udata(item); + if (parser->global.report_count > HID_MAX_USAGES) { + dbg_hid("invalid report_count %d\n", + parser->global.report_count); + return -1; + } + return 0; - default: - dbg_hid("unknown global tag 0x%x\n", item->tag); + case HID_GLOBAL_ITEM_TAG_REPORT_ID: + parser->global.report_id = item_udata(item); + if (parser->global.report_id == 0) { + dbg_hid("report_id 0 is invalid\n"); return -1; + } + return 0; + + default: + dbg_hid("unknown global tag 0x%x\n", item->tag); + return -1; } } @@ -395,77 +399,76 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) data = item_udata(item); switch (item->tag) { - - case HID_LOCAL_ITEM_TAG_DELIMITER: - - if (data) { - /* - * We treat items before the first delimiter - * as global to all usage sets (branch 0). - * In the moment we process only these global - * items and the first delimiter set. - */ - if (parser->local.delimiter_depth != 0) { - dbg_hid("nested delimiters\n"); - return -1; - } - parser->local.delimiter_depth++; - parser->local.delimiter_branch++; - } else { - if (parser->local.delimiter_depth < 1) { - dbg_hid("bogus close delimiter\n"); - return -1; - } - parser->local.delimiter_depth--; + case HID_LOCAL_ITEM_TAG_DELIMITER: + + if (data) { + /* + * We treat items before the first delimiter + * as global to all usage sets (branch 0). + * In the moment we process only these global + * items and the first delimiter set. + */ + if (parser->local.delimiter_depth != 0) { + dbg_hid("nested delimiters\n"); + return -1; } - return 1; - - case HID_LOCAL_ITEM_TAG_USAGE: - - if (parser->local.delimiter_branch > 1) { - dbg_hid("alternative usage ignored\n"); - return 0; + parser->local.delimiter_depth++; + parser->local.delimiter_branch++; + } else { + if (parser->local.delimiter_depth < 1) { + dbg_hid("bogus close delimiter\n"); + return -1; } + parser->local.delimiter_depth--; + } + return 1; - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; + case HID_LOCAL_ITEM_TAG_USAGE: - return hid_add_usage(parser, data); + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); + return 0; + } - case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; - if (parser->local.delimiter_branch > 1) { - dbg_hid("alternative usage ignored\n"); - return 0; - } + return hid_add_usage(parser, data); - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; + case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: - parser->local.usage_minimum = data; + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); return 0; + } - case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; - if (parser->local.delimiter_branch > 1) { - dbg_hid("alternative usage ignored\n"); - return 0; - } + parser->local.usage_minimum = data; + return 0; - if (item->size <= 2) - data = (parser->global.usage_page << 16) + data; + case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: - for (n = parser->local.usage_minimum; n <= data; n++) - if (hid_add_usage(parser, n)) { - dbg_hid("hid_add_usage failed\n"); - return -1; - } + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); return 0; + } - default: + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; - dbg_hid("unknown local item tag 0x%x\n", item->tag); - return 0; + for (n = parser->local.usage_minimum; n <= data; n++) + if (hid_add_usage(parser, n)) { + dbg_hid("hid_add_usage failed\n"); + return -1; + } + return 0; + + default: + + dbg_hid("unknown local item tag 0x%x\n", item->tag); + return 0; } return 0; } @@ -482,24 +485,24 @@ static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) data = item_udata(item); switch (item->tag) { - case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: - ret = open_collection(parser, data & 0xff); - break; - case HID_MAIN_ITEM_TAG_END_COLLECTION: - ret = close_collection(parser); - break; - case HID_MAIN_ITEM_TAG_INPUT: - ret = hid_add_field(parser, HID_INPUT_REPORT, data); - break; - case HID_MAIN_ITEM_TAG_OUTPUT: - ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); - break; - case HID_MAIN_ITEM_TAG_FEATURE: - ret = hid_add_field(parser, HID_FEATURE_REPORT, data); - break; - default: - dbg_hid("unknown main item tag 0x%x\n", item->tag); - ret = 0; + case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: + ret = open_collection(parser, data & 0xff); + break; + case HID_MAIN_ITEM_TAG_END_COLLECTION: + ret = close_collection(parser); + break; + case HID_MAIN_ITEM_TAG_INPUT: + ret = hid_add_field(parser, HID_INPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_OUTPUT: + ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_FEATURE: + ret = hid_add_field(parser, HID_FEATURE_REPORT, data); + break; + default: + dbg_hid("unknown main item tag 0x%x\n", item->tag); + ret = 0; } memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ @@ -595,30 +598,29 @@ static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) item->size = b & 3; switch (item->size) { + case 0: + return start; + + case 1: + if ((end - start) < 1) + return NULL; + item->data.u8 = *start++; + return start; + + case 2: + if ((end - start) < 2) + return NULL; + item->data.u16 = get_unaligned_le16(start); + start = (__u8 *)((__le16 *)start + 1); + return start; - case 0: - return start; - - case 1: - if ((end - start) < 1) - return NULL; - item->data.u8 = *start++; - return start; - - case 2: - if ((end - start) < 2) - return NULL; - item->data.u16 = get_unaligned_le16(start); - start = (__u8 *)((__le16 *)start + 1); - return start; - - case 3: - item->size++; - if ((end - start) < 4) - return NULL; - item->data.u32 = get_unaligned_le32(start); - start = (__u8 *)((__le32 *)start + 1); - return start; + case 3: + item->size++; + if ((end - start) < 4) + return NULL; + item->data.u32 = get_unaligned_le32(start); + start = (__u8 *)((__le32 *)start + 1); + return start; } return NULL; @@ -713,9 +715,9 @@ EXPORT_SYMBOL_GPL(hid_parse_report); static s32 snto32(__u32 value, unsigned n) { switch (n) { - case 8: return ((__s8)value); - case 16: return ((__s16)value); - case 32: return ((__s32)value); + case 8: return ((__s8)value); + case 16: return ((__s16)value); + case 32: return ((__s32)value); } return value & (1 << (n - 1)) ? value | (-1 << n) : value; } diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 76ddf23f1965..a6223bc5c734 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -188,343 +188,326 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } switch (usage->hid & HID_USAGE_PAGE) { + case HID_UP_UNDEFINED: + goto ignore; - case HID_UP_UNDEFINED: - goto ignore; - - case HID_UP_KEYBOARD: + case HID_UP_KEYBOARD: + set_bit(EV_REP, input->evbit); - set_bit(EV_REP, input->evbit); + if ((usage->hid & HID_USAGE) < 256) { + if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; + map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); + } else + map_key(KEY_UNKNOWN); - if ((usage->hid & HID_USAGE) < 256) { - if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; - map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); - } else - map_key(KEY_UNKNOWN); + break; - break; + case HID_UP_BUTTON: + code = ((usage->hid - 1) & 0xf); - case HID_UP_BUTTON: - - code = ((usage->hid - 1) & 0xf); - - switch (field->application) { - case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; - case HID_GD_JOYSTICK: code += 0x120; break; - case HID_GD_GAMEPAD: code += 0x130; break; - default: - switch (field->physical) { - case HID_GD_MOUSE: - case HID_GD_POINTER: code += 0x110; break; - case HID_GD_JOYSTICK: code += 0x120; break; - case HID_GD_GAMEPAD: code += 0x130; break; - default: code += 0x100; - } + switch (field->application) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: + switch (field->physical) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: code += 0x100; } + } - map_key(code); - break; - - - case HID_UP_SIMULATION: - - switch (usage->hid & 0xffff) { - case 0xba: map_abs(ABS_RUDDER); break; - case 0xbb: map_abs(ABS_THROTTLE); break; - case 0xc4: map_abs(ABS_GAS); break; - case 0xc5: map_abs(ABS_BRAKE); break; - case 0xc8: map_abs(ABS_WHEEL); break; - default: goto ignore; + map_key(code); + break; + + case HID_UP_SIMULATION: + switch (usage->hid & 0xffff) { + case 0xba: map_abs(ABS_RUDDER); break; + case 0xbb: map_abs(ABS_THROTTLE); break; + case 0xc4: map_abs(ABS_GAS); break; + case 0xc5: map_abs(ABS_BRAKE); break; + case 0xc8: map_abs(ABS_WHEEL); break; + default: goto ignore; + } + break; + + case HID_UP_GENDESK: + if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ + switch (usage->hid & 0xf) { + case 0x1: map_key_clear(KEY_POWER); break; + case 0x2: map_key_clear(KEY_SLEEP); break; + case 0x3: map_key_clear(KEY_WAKEUP); break; + default: goto unknown; } break; + } - case HID_UP_GENDESK: - - if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ - switch (usage->hid & 0xf) { - case 0x1: map_key_clear(KEY_POWER); break; - case 0x2: map_key_clear(KEY_SLEEP); break; - case 0x3: map_key_clear(KEY_WAKEUP); break; - default: goto unknown; - } - break; - } - - if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ - switch (usage->hid) { - case HID_GD_UP: usage->hat_dir = 1; break; - case HID_GD_DOWN: usage->hat_dir = 5; break; - case HID_GD_RIGHT: usage->hat_dir = 3; break; - case HID_GD_LEFT: usage->hat_dir = 7; break; - default: goto unknown; - } - if (field->dpad) { - map_abs(field->dpad); - goto ignore; - } - map_abs(ABS_HAT0X); - break; - } - + if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ switch (usage->hid) { - - /* These usage IDs map directly to the usage codes. */ - case HID_GD_X: case HID_GD_Y: case HID_GD_Z: - case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: - case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: - if (field->flags & HID_MAIN_ITEM_RELATIVE) - map_rel(usage->hid & 0xf); - else - map_abs(usage->hid & 0xf); - break; - - case HID_GD_HATSWITCH: - usage->hat_min = field->logical_minimum; - usage->hat_max = field->logical_maximum; - map_abs(ABS_HAT0X); - break; - - case HID_GD_START: map_key_clear(BTN_START); break; - case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; - - default: goto unknown; + case HID_GD_UP: usage->hat_dir = 1; break; + case HID_GD_DOWN: usage->hat_dir = 5; break; + case HID_GD_RIGHT: usage->hat_dir = 3; break; + case HID_GD_LEFT: usage->hat_dir = 7; break; + default: goto unknown; } - - break; - - case HID_UP_LED: - - switch (usage->hid & 0xffff) { /* HID-Value: */ - case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ - case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ - case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ - case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ - case 0x05: map_led (LED_KANA); break; /* "Kana" */ - case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ - case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ - case 0x09: map_led (LED_MUTE); break; /* "Mute" */ - case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ - case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ - case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ - - default: goto ignore; + if (field->dpad) { + map_abs(field->dpad); + goto ignore; } + map_abs(ABS_HAT0X); break; + } - case HID_UP_DIGITIZER: - - switch (usage->hid & 0xff) { - - case 0x30: /* TipPressure */ - if (!test_bit(BTN_TOUCH, input->keybit)) { - device->quirks |= HID_QUIRK_NOTOUCH; - set_bit(EV_KEY, input->evbit); - set_bit(BTN_TOUCH, input->keybit); - } - - map_abs_clear(ABS_PRESSURE); - break; - - case 0x32: /* InRange */ - switch (field->physical & 0xff) { - case 0x21: map_key(BTN_TOOL_MOUSE); break; - case 0x22: map_key(BTN_TOOL_FINGER); break; - default: map_key(BTN_TOOL_PEN); break; - } - break; + switch (usage->hid) { + /* These usage IDs map directly to the usage codes. */ + case HID_GD_X: case HID_GD_Y: case HID_GD_Z: + case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: + case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: + if (field->flags & HID_MAIN_ITEM_RELATIVE) + map_rel(usage->hid & 0xf); + else + map_abs(usage->hid & 0xf); + break; - case 0x3c: /* Invert */ - map_key_clear(BTN_TOOL_RUBBER); - break; + case HID_GD_HATSWITCH: + usage->hat_min = field->logical_minimum; + usage->hat_max = field->logical_maximum; + map_abs(ABS_HAT0X); + break; - case 0x33: /* Touch */ - case 0x42: /* TipSwitch */ - case 0x43: /* TipSwitch2 */ - device->quirks &= ~HID_QUIRK_NOTOUCH; - map_key_clear(BTN_TOUCH); - break; + case HID_GD_START: map_key_clear(BTN_START); break; + case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; - case 0x44: /* BarrelSwitch */ - map_key_clear(BTN_STYLUS); - break; + default: goto unknown; + } - default: goto unknown; + break; + + case HID_UP_LED: + switch (usage->hid & 0xffff) { /* HID-Value: */ + case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ + case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ + case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ + case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ + case 0x05: map_led (LED_KANA); break; /* "Kana" */ + case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ + case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ + case 0x09: map_led (LED_MUTE); break; /* "Mute" */ + case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ + case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ + case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ + + default: goto ignore; + } + break; + + case HID_UP_DIGITIZER: + switch (usage->hid & 0xff) { + case 0x30: /* TipPressure */ + if (!test_bit(BTN_TOUCH, input->keybit)) { + device->quirks |= HID_QUIRK_NOTOUCH; + set_bit(EV_KEY, input->evbit); + set_bit(BTN_TOUCH, input->keybit); } + map_abs_clear(ABS_PRESSURE); break; - case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ - - switch (usage->hid & HID_USAGE) { - case 0x000: goto ignore; - case 0x034: map_key_clear(KEY_SLEEP); break; - case 0x036: map_key_clear(BTN_MISC); break; - - case 0x040: map_key_clear(KEY_MENU); break; - case 0x045: map_key_clear(KEY_RADIO); break; - - case 0x083: map_key_clear(KEY_LAST); break; - case 0x088: map_key_clear(KEY_PC); break; - case 0x089: map_key_clear(KEY_TV); break; - case 0x08a: map_key_clear(KEY_WWW); break; - case 0x08b: map_key_clear(KEY_DVD); break; - case 0x08c: map_key_clear(KEY_PHONE); break; - case 0x08d: map_key_clear(KEY_PROGRAM); break; - case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; - case 0x08f: map_key_clear(KEY_GAMES); break; - case 0x090: map_key_clear(KEY_MEMO); break; - case 0x091: map_key_clear(KEY_CD); break; - case 0x092: map_key_clear(KEY_VCR); break; - case 0x093: map_key_clear(KEY_TUNER); break; - case 0x094: map_key_clear(KEY_EXIT); break; - case 0x095: map_key_clear(KEY_HELP); break; - case 0x096: map_key_clear(KEY_TAPE); break; - case 0x097: map_key_clear(KEY_TV2); break; - case 0x098: map_key_clear(KEY_SAT); break; - case 0x09a: map_key_clear(KEY_PVR); break; - - case 0x09c: map_key_clear(KEY_CHANNELUP); break; - case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; - case 0x0a0: map_key_clear(KEY_VCR2); break; - - case 0x0b0: map_key_clear(KEY_PLAY); break; - case 0x0b1: map_key_clear(KEY_PAUSE); break; - case 0x0b2: map_key_clear(KEY_RECORD); break; - case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; - case 0x0b4: map_key_clear(KEY_REWIND); break; - case 0x0b5: map_key_clear(KEY_NEXTSONG); break; - case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; - case 0x0b7: map_key_clear(KEY_STOPCD); break; - case 0x0b8: map_key_clear(KEY_EJECTCD); break; - case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; - - case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; - case 0x0e0: map_abs_clear(ABS_VOLUME); break; - case 0x0e2: map_key_clear(KEY_MUTE); break; - case 0x0e5: map_key_clear(KEY_BASSBOOST); break; - case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; - case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; - - case 0x182: map_key_clear(KEY_BOOKMARKS); break; - case 0x183: map_key_clear(KEY_CONFIG); break; - case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; - case 0x185: map_key_clear(KEY_EDITOR); break; - case 0x186: map_key_clear(KEY_SPREADSHEET); break; - case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; - case 0x188: map_key_clear(KEY_PRESENTATION); break; - case 0x189: map_key_clear(KEY_DATABASE); break; - case 0x18a: map_key_clear(KEY_MAIL); break; - case 0x18b: map_key_clear(KEY_NEWS); break; - case 0x18c: map_key_clear(KEY_VOICEMAIL); break; - case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; - case 0x18e: map_key_clear(KEY_CALENDAR); break; - case 0x191: map_key_clear(KEY_FINANCE); break; - case 0x192: map_key_clear(KEY_CALC); break; - case 0x194: map_key_clear(KEY_FILE); break; - case 0x196: map_key_clear(KEY_WWW); break; - case 0x19c: map_key_clear(KEY_LOGOFF); break; - case 0x19e: map_key_clear(KEY_COFFEE); break; - case 0x1a6: map_key_clear(KEY_HELP); break; - case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; - case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; - case 0x1b6: map_key_clear(KEY_MEDIA); break; - case 0x1b7: map_key_clear(KEY_SOUND); break; - case 0x1bc: map_key_clear(KEY_MESSENGER); break; - case 0x1bd: map_key_clear(KEY_INFO); break; - case 0x201: map_key_clear(KEY_NEW); break; - case 0x202: map_key_clear(KEY_OPEN); break; - case 0x203: map_key_clear(KEY_CLOSE); break; - case 0x204: map_key_clear(KEY_EXIT); break; - case 0x207: map_key_clear(KEY_SAVE); break; - case 0x208: map_key_clear(KEY_PRINT); break; - case 0x209: map_key_clear(KEY_PROPS); break; - case 0x21a: map_key_clear(KEY_UNDO); break; - case 0x21b: map_key_clear(KEY_COPY); break; - case 0x21c: map_key_clear(KEY_CUT); break; - case 0x21d: map_key_clear(KEY_PASTE); break; - case 0x21f: map_key_clear(KEY_FIND); break; - case 0x221: map_key_clear(KEY_SEARCH); break; - case 0x222: map_key_clear(KEY_GOTO); break; - case 0x223: map_key_clear(KEY_HOMEPAGE); break; - case 0x224: map_key_clear(KEY_BACK); break; - case 0x225: map_key_clear(KEY_FORWARD); break; - case 0x226: map_key_clear(KEY_STOP); break; - case 0x227: map_key_clear(KEY_REFRESH); break; - case 0x22a: map_key_clear(KEY_BOOKMARKS); break; - case 0x22d: map_key_clear(KEY_ZOOMIN); break; - case 0x22e: map_key_clear(KEY_ZOOMOUT); break; - case 0x22f: map_key_clear(KEY_ZOOMRESET); break; - case 0x233: map_key_clear(KEY_SCROLLUP); break; - case 0x234: map_key_clear(KEY_SCROLLDOWN); break; - case 0x238: map_rel(REL_HWHEEL); break; - case 0x25f: map_key_clear(KEY_CANCEL); break; - case 0x279: map_key_clear(KEY_REDO); break; - - case 0x289: map_key_clear(KEY_REPLY); break; - case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; - case 0x28c: map_key_clear(KEY_SEND); break; - - default: goto ignore; + case 0x32: /* InRange */ + switch (field->physical & 0xff) { + case 0x21: map_key(BTN_TOOL_MOUSE); break; + case 0x22: map_key(BTN_TOOL_FINGER); break; + default: map_key(BTN_TOOL_PEN); break; } break; - case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ - - set_bit(EV_REP, input->evbit); - switch (usage->hid & HID_USAGE) { - case 0x021: map_key_clear(KEY_PRINT); break; - case 0x070: map_key_clear(KEY_HP); break; - case 0x071: map_key_clear(KEY_CAMERA); break; - case 0x072: map_key_clear(KEY_SOUND); break; - case 0x073: map_key_clear(KEY_QUESTION); break; - case 0x080: map_key_clear(KEY_EMAIL); break; - case 0x081: map_key_clear(KEY_CHAT); break; - case 0x082: map_key_clear(KEY_SEARCH); break; - case 0x083: map_key_clear(KEY_CONNECT); break; - case 0x084: map_key_clear(KEY_FINANCE); break; - case 0x085: map_key_clear(KEY_SPORT); break; - case 0x086: map_key_clear(KEY_SHOP); break; - default: goto ignore; - } + case 0x3c: /* Invert */ + map_key_clear(BTN_TOOL_RUBBER); break; - case HID_UP_MSVENDOR: - - goto ignore; + case 0x33: /* Touch */ + case 0x42: /* TipSwitch */ + case 0x43: /* TipSwitch2 */ + device->quirks &= ~HID_QUIRK_NOTOUCH; + map_key_clear(BTN_TOUCH); + break; - case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ + case 0x44: /* BarrelSwitch */ + map_key_clear(BTN_STYLUS); + break; - set_bit(EV_REP, input->evbit); - goto ignore; + default: goto unknown; + } + break; + + case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ + switch (usage->hid & HID_USAGE) { + case 0x000: goto ignore; + case 0x034: map_key_clear(KEY_SLEEP); break; + case 0x036: map_key_clear(BTN_MISC); break; + + case 0x040: map_key_clear(KEY_MENU); break; + case 0x045: map_key_clear(KEY_RADIO); break; + + case 0x083: map_key_clear(KEY_LAST); break; + case 0x088: map_key_clear(KEY_PC); break; + case 0x089: map_key_clear(KEY_TV); break; + case 0x08a: map_key_clear(KEY_WWW); break; + case 0x08b: map_key_clear(KEY_DVD); break; + case 0x08c: map_key_clear(KEY_PHONE); break; + case 0x08d: map_key_clear(KEY_PROGRAM); break; + case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; + case 0x08f: map_key_clear(KEY_GAMES); break; + case 0x090: map_key_clear(KEY_MEMO); break; + case 0x091: map_key_clear(KEY_CD); break; + case 0x092: map_key_clear(KEY_VCR); break; + case 0x093: map_key_clear(KEY_TUNER); break; + case 0x094: map_key_clear(KEY_EXIT); break; + case 0x095: map_key_clear(KEY_HELP); break; + case 0x096: map_key_clear(KEY_TAPE); break; + case 0x097: map_key_clear(KEY_TV2); break; + case 0x098: map_key_clear(KEY_SAT); break; + case 0x09a: map_key_clear(KEY_PVR); break; + + case 0x09c: map_key_clear(KEY_CHANNELUP); break; + case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; + case 0x0a0: map_key_clear(KEY_VCR2); break; + + case 0x0b0: map_key_clear(KEY_PLAY); break; + case 0x0b1: map_key_clear(KEY_PAUSE); break; + case 0x0b2: map_key_clear(KEY_RECORD); break; + case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; + case 0x0b4: map_key_clear(KEY_REWIND); break; + case 0x0b5: map_key_clear(KEY_NEXTSONG); break; + case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; + case 0x0b7: map_key_clear(KEY_STOPCD); break; + case 0x0b8: map_key_clear(KEY_EJECTCD); break; + case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; + + case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; + case 0x0e0: map_abs_clear(ABS_VOLUME); break; + case 0x0e2: map_key_clear(KEY_MUTE); break; + case 0x0e5: map_key_clear(KEY_BASSBOOST); break; + case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; + case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; + + case 0x182: map_key_clear(KEY_BOOKMARKS); break; + case 0x183: map_key_clear(KEY_CONFIG); break; + case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; + case 0x185: map_key_clear(KEY_EDITOR); break; + case 0x186: map_key_clear(KEY_SPREADSHEET); break; + case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; + case 0x188: map_key_clear(KEY_PRESENTATION); break; + case 0x189: map_key_clear(KEY_DATABASE); break; + case 0x18a: map_key_clear(KEY_MAIL); break; + case 0x18b: map_key_clear(KEY_NEWS); break; + case 0x18c: map_key_clear(KEY_VOICEMAIL); break; + case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; + case 0x18e: map_key_clear(KEY_CALENDAR); break; + case 0x191: map_key_clear(KEY_FINANCE); break; + case 0x192: map_key_clear(KEY_CALC); break; + case 0x194: map_key_clear(KEY_FILE); break; + case 0x196: map_key_clear(KEY_WWW); break; + case 0x19c: map_key_clear(KEY_LOGOFF); break; + case 0x19e: map_key_clear(KEY_COFFEE); break; + case 0x1a6: map_key_clear(KEY_HELP); break; + case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; + case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; + case 0x1b6: map_key_clear(KEY_MEDIA); break; + case 0x1b7: map_key_clear(KEY_SOUND); break; + case 0x1bc: map_key_clear(KEY_MESSENGER); break; + case 0x1bd: map_key_clear(KEY_INFO); break; + case 0x201: map_key_clear(KEY_NEW); break; + case 0x202: map_key_clear(KEY_OPEN); break; + case 0x203: map_key_clear(KEY_CLOSE); break; + case 0x204: map_key_clear(KEY_EXIT); break; + case 0x207: map_key_clear(KEY_SAVE); break; + case 0x208: map_key_clear(KEY_PRINT); break; + case 0x209: map_key_clear(KEY_PROPS); break; + case 0x21a: map_key_clear(KEY_UNDO); break; + case 0x21b: map_key_clear(KEY_COPY); break; + case 0x21c: map_key_clear(KEY_CUT); break; + case 0x21d: map_key_clear(KEY_PASTE); break; + case 0x21f: map_key_clear(KEY_FIND); break; + case 0x221: map_key_clear(KEY_SEARCH); break; + case 0x222: map_key_clear(KEY_GOTO); break; + case 0x223: map_key_clear(KEY_HOMEPAGE); break; + case 0x224: map_key_clear(KEY_BACK); break; + case 0x225: map_key_clear(KEY_FORWARD); break; + case 0x226: map_key_clear(KEY_STOP); break; + case 0x227: map_key_clear(KEY_REFRESH); break; + case 0x22a: map_key_clear(KEY_BOOKMARKS); break; + case 0x22d: map_key_clear(KEY_ZOOMIN); break; + case 0x22e: map_key_clear(KEY_ZOOMOUT); break; + case 0x22f: map_key_clear(KEY_ZOOMRESET); break; + case 0x233: map_key_clear(KEY_SCROLLUP); break; + case 0x234: map_key_clear(KEY_SCROLLDOWN); break; + case 0x238: map_rel(REL_HWHEEL); break; + case 0x25f: map_key_clear(KEY_CANCEL); break; + case 0x279: map_key_clear(KEY_REDO); break; + + case 0x289: map_key_clear(KEY_REPLY); break; + case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; + case 0x28c: map_key_clear(KEY_SEND); break; + + default: goto ignore; + } + break; + + case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ + set_bit(EV_REP, input->evbit); + switch (usage->hid & HID_USAGE) { + case 0x021: map_key_clear(KEY_PRINT); break; + case 0x070: map_key_clear(KEY_HP); break; + case 0x071: map_key_clear(KEY_CAMERA); break; + case 0x072: map_key_clear(KEY_SOUND); break; + case 0x073: map_key_clear(KEY_QUESTION); break; + case 0x080: map_key_clear(KEY_EMAIL); break; + case 0x081: map_key_clear(KEY_CHAT); break; + case 0x082: map_key_clear(KEY_SEARCH); break; + case 0x083: map_key_clear(KEY_CONNECT); break; + case 0x084: map_key_clear(KEY_FINANCE); break; + case 0x085: map_key_clear(KEY_SPORT); break; + case 0x086: map_key_clear(KEY_SHOP); break; + default: goto ignore; + } + break; - case HID_UP_LOGIVENDOR: + case HID_UP_MSVENDOR: + goto ignore; - goto ignore; - - case HID_UP_PID: + case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ + set_bit(EV_REP, input->evbit); + goto ignore; - switch(usage->hid & HID_USAGE) { - case 0xa4: map_key_clear(BTN_DEAD); break; - default: goto ignore; - } - break; + case HID_UP_LOGIVENDOR: + goto ignore; + + case HID_UP_PID: + switch (usage->hid & HID_USAGE) { + case 0xa4: map_key_clear(BTN_DEAD); break; + default: goto ignore; + } + break; - default: - unknown: - if (field->report_size == 1) { - if (field->report->type == HID_OUTPUT_REPORT) { - map_led(LED_MISC); - break; - } - map_key(BTN_MISC); - break; - } - if (field->flags & HID_MAIN_ITEM_RELATIVE) { - map_rel(REL_MISC); + default: + unknown: + if (field->report_size == 1) { + if (field->report->type == HID_OUTPUT_REPORT) { + map_led(LED_MISC); break; } - map_abs(ABS_MISC); + map_key(BTN_MISC); break; + } + if (field->flags & HID_MAIN_ITEM_RELATIVE) { + map_rel(REL_MISC); + break; + } + map_abs(ABS_MISC); + break; } mapped: diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 972680820730..78553b457a2b 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -197,31 +197,31 @@ static void hid_irq_in(struct urb *urb) int status; switch (urb->status) { - case 0: /* success */ - usbhid->retry_delay = 0; - hid_input_report(urb->context, HID_INPUT_REPORT, - urb->transfer_buffer, - urb->actual_length, 1); - break; - case -EPIPE: /* stall */ - clear_bit(HID_IN_RUNNING, &usbhid->iofl); - set_bit(HID_CLEAR_HALT, &usbhid->iofl); - schedule_work(&usbhid->reset_work); - return; - case -ECONNRESET: /* unlink */ - case -ENOENT: - case -ESHUTDOWN: /* unplug */ - clear_bit(HID_IN_RUNNING, &usbhid->iofl); - return; - case -EILSEQ: /* protocol error or unplug */ - case -EPROTO: /* protocol error or unplug */ - case -ETIME: /* protocol error or unplug */ - case -ETIMEDOUT: /* Should never happen, but... */ - clear_bit(HID_IN_RUNNING, &usbhid->iofl); - hid_io_error(hid); - return; - default: /* error */ - warn("input irq status %d received", urb->status); + case 0: /* success */ + usbhid->retry_delay = 0; + hid_input_report(urb->context, HID_INPUT_REPORT, + urb->transfer_buffer, + urb->actual_length, 1); + break; + case -EPIPE: /* stall */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + set_bit(HID_CLEAR_HALT, &usbhid->iofl); + schedule_work(&usbhid->reset_work); + return; + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -ESHUTDOWN: /* unplug */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + return; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ETIME: /* protocol error or unplug */ + case -ETIMEDOUT: /* Should never happen, but... */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + hid_io_error(hid); + return; + default: /* error */ + warn("input irq status %d received", urb->status); } status = usb_submit_urb(urb, GFP_ATOMIC); @@ -319,17 +319,17 @@ static void hid_irq_out(struct urb *urb) int unplug = 0; switch (urb->status) { - case 0: /* success */ - break; - case -ESHUTDOWN: /* unplug */ - unplug = 1; - case -EILSEQ: /* protocol error or unplug */ - case -EPROTO: /* protocol error or unplug */ - case -ECONNRESET: /* unlink */ - case -ENOENT: - break; - default: /* error */ - warn("output irq status %d received", urb->status); + case 0: /* success */ + break; + case -ESHUTDOWN: /* unplug */ + unplug = 1; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ECONNRESET: /* unlink */ + case -ENOENT: + break; + default: /* error */ + warn("output irq status %d received", urb->status); } spin_lock_irqsave(&usbhid->outlock, flags); @@ -367,21 +367,22 @@ static void hid_ctrl(struct urb *urb) spin_lock_irqsave(&usbhid->ctrllock, flags); switch (urb->status) { - case 0: /* success */ - if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) - hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type, - urb->transfer_buffer, urb->actual_length, 0); - break; - case -ESHUTDOWN: /* unplug */ - unplug = 1; - case -EILSEQ: /* protocol error or unplug */ - case -EPROTO: /* protocol error or unplug */ - case -ECONNRESET: /* unlink */ - case -ENOENT: - case -EPIPE: /* report not available */ - break; - default: /* error */ - warn("ctrl urb status %d received", urb->status); + case 0: /* success */ + if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) + hid_input_report(urb->context, + usbhid->ctrl[usbhid->ctrltail].report->type, + urb->transfer_buffer, urb->actual_length, 0); + break; + case -ESHUTDOWN: /* unplug */ + unplug = 1; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -EPIPE: /* report not available */ + break; + default: /* error */ + warn("ctrl urb status %d received", urb->status); } if (unplug) -- GitLab From 78a849a682a1d5ee7b7187b08abdc48656326a4e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 20 Jun 2008 21:26:11 +0200 Subject: [PATCH 4769/6244] HID: move microsoft quirks Move them from the core code to a separate driver. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 8 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 6 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-ids.h | 4 +- drivers/hid/hid-input-quirks.c | 76 ----------- drivers/hid/hid-microsoft.c | 220 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 33 ----- include/linux/hid.h | 2 - 9 files changed, 241 insertions(+), 112 deletions(-) create mode 100644 drivers/hid/hid-microsoft.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index d9d1a5671d95..8067b653f8bf 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -104,6 +104,14 @@ config HID_LOGITECH Support for some Logitech devices which breaks less or more HID specification. +config HID_MICROSOFT + tristate "Microsoft" + default m + depends on USB_HID + ---help--- + Support for some Microsoft devices which breaks less or more + HID specification. + endmenu endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 8e053eca4742..3dc2828fb719 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -14,6 +14,7 @@ endif obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o +obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5e62e010d805..db8fbd2f5028 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1176,8 +1176,14 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, { } }; diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index b76c44efe1b8..fe64d60f9010 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -10,6 +10,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_LOGITECH_MODULE HID_COMPAT_CALL_DRIVER(logitech); #endif +#ifdef CONFIG_HID_MICROSOFT_MODULE + HID_COMPAT_CALL_DRIVER(microsoft); +#endif return -EIO; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 23d021bd95d0..d7e548dbe7c3 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -280,9 +280,11 @@ #define USB_VENDOR_ID_MICROSOFT 0x045e #define USB_DEVICE_ID_SIDEWINDER_GV 0x003b #define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d -#define USB_DEVICE_ID_DESKTOP_RECV_1028 0x00f9 #define USB_DEVICE_ID_MS_NE4K 0x00db #define USB_DEVICE_ID_MS_LK6K 0x00f9 +#define USB_DEVICE_ID_MS_PRESENTER_8K_BT 0x0701 +#define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 + #define USB_VENDOR_ID_MONTEREY 0x0566 #define USB_DEVICE_ID_GENIUS_KB29E 0x3004 diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 878e193c6d75..d1b4f093dcb3 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -102,50 +102,6 @@ static int quirk_chicony_tactical_pad(struct hid_usage *usage, return 1; } -static int quirk_microsoft_ergonomy_kb(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - struct input_dev *input = hidinput->input; - - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) - return 0; - - switch(usage->hid & HID_USAGE) { - case 0xfd06: map_key_clear(KEY_CHAT); break; - case 0xfd07: map_key_clear(KEY_PHONE); break; - case 0xff05: - set_bit(EV_REP, input->evbit); - map_key_clear(KEY_F13); - set_bit(KEY_F14, input->keybit); - set_bit(KEY_F15, input->keybit); - set_bit(KEY_F16, input->keybit); - set_bit(KEY_F17, input->keybit); - set_bit(KEY_F18, input->keybit); - default: - return 0; - } - return 1; -} - -static int quirk_microsoft_presenter_8k(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) - return 0; - - set_bit(EV_REP, hidinput->input->evbit); - switch(usage->hid & HID_USAGE) { - case 0xfd08: map_key_clear(KEY_FORWARD); break; - case 0xfd09: map_key_clear(KEY_BACK); break; - case 0xfd0b: map_key_clear(KEY_PLAYPAUSE); break; - case 0xfd0e: map_key_clear(KEY_CLOSE); break; - case 0xfd0f: map_key_clear(KEY_PLAY); break; - default: - return 0; - } - return 1; -} - static int quirk_petalynx_remote(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -244,12 +200,6 @@ static int quirk_sunplus_wdesktop(struct hid_usage *usage, #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 -#define VENDOR_ID_MICROSOFT 0x045e -#define DEVICE_ID_MS4K 0x00db -#define DEVICE_ID_MS6K 0x00f9 -#define DEVICE_IS_MS_PRESENTER_8K_BT 0x0701 -#define DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 - #define VENDOR_ID_MONTEREY 0x0566 #define DEVICE_ID_GENIUS_KB29E 0x3004 @@ -275,11 +225,6 @@ static const struct hid_input_blacklist { { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, - { VENDOR_ID_MICROSOFT, DEVICE_ID_MS4K, quirk_microsoft_ergonomy_kb }, - { VENDOR_ID_MICROSOFT, DEVICE_ID_MS6K, quirk_microsoft_ergonomy_kb }, - { VENDOR_ID_MICROSOFT, DEVICE_IS_MS_PRESENTER_8K_BT, quirk_microsoft_presenter_8k }, - { VENDOR_ID_MICROSOFT, DEVICE_ID_MS_PRESENTER_8K_USB, quirk_microsoft_presenter_8k }, - { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, { VENDOR_ID_PETALYNX, DEVICE_ID_PETALYNX_MAXTER_REMOTE, quirk_petalynx_remote }, @@ -336,27 +281,6 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc return 1; } - /* Handling MS keyboards special buttons */ - if (hid->quirks & HID_QUIRK_MICROSOFT_KEYS && - usage->hid == (HID_UP_MSVENDOR | 0xff05)) { - int key = 0; - static int last_key = 0; - switch (value) { - case 0x01: key = KEY_F14; break; - case 0x02: key = KEY_F15; break; - case 0x04: key = KEY_F16; break; - case 0x08: key = KEY_F17; break; - case 0x10: key = KEY_F18; break; - default: break; - } - if (key) { - input_event(input, usage->type, key, 1); - last_key = key; - } else { - input_event(input, usage->type, last_key, 0); - } - } - /* handle the temporary quirky mapping to HWHEEL */ if (hid->quirks & HID_QUIRK_HWHEEL_WHEEL_INVERT && usage->type == EV_REL && usage->code == REL_HWHEEL) { diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c new file mode 100644 index 000000000000..1fa8b813d441 --- /dev/null +++ b/drivers/hid/hid-microsoft.c @@ -0,0 +1,220 @@ +/* + * HID driver for some microsoft "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define MS_HIDINPUT 0x01 +#define MS_ERGONOMY 0x02 +#define MS_PRESENTER 0x04 +#define MS_RDESC 0x08 +#define MS_NOGET 0x10 + +/* + * Microsoft Wireless Desktop Receiver (Model 1028) has several + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ +static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & MS_RDESC) && rsize == 571 && rdesc[284] == 0x19 && + rdesc[286] == 0x2a && rdesc[304] == 0x19 && + rdesc[306] == 0x29 && rdesc[352] == 0x1a && + rdesc[355] == 0x2a && rdesc[557] == 0x19 && + rdesc[559] == 0x29) { + dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " + "Model 1028 report descriptor\n"); + rdesc[284] = rdesc[304] = rdesc[557] = 0x35; + rdesc[352] = 0x36; + rdesc[286] = rdesc[355] = 0x46; + rdesc[306] = rdesc[559] = 0x45; + } +} + +#define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct input_dev *input = hi->input; + + switch (usage->hid & HID_USAGE) { + case 0xfd06: ms_map_key_clear(KEY_CHAT); break; + case 0xfd07: ms_map_key_clear(KEY_PHONE); break; + case 0xff05: + set_bit(EV_REP, input->evbit); + ms_map_key_clear(KEY_F13); + set_bit(KEY_F14, input->keybit); + set_bit(KEY_F15, input->keybit); + set_bit(KEY_F16, input->keybit); + set_bit(KEY_F17, input->keybit); + set_bit(KEY_F18, input->keybit); + default: + return 0; + } + return 1; +} + +static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; + case 0xfd09: ms_map_key_clear(KEY_BACK); break; + case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; + case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; + case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; + default: + return 0; + } + return 1; +} + +static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + if (quirks & MS_ERGONOMY) { + int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); + if (ret) + return ret; + } + + if ((quirks & MS_PRESENTER) && + ms_presenter_8k_quirk(hi, usage, bit, max)) + return 1; + + return 0; +} + +static int ms_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + /* Handling MS keyboards special buttons */ + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { + struct input_dev *input = field->hidinput->input; + static unsigned int last_key = 0; + unsigned int key = 0; + switch (value) { + case 0x01: key = KEY_F14; break; + case 0x02: key = KEY_F15; break; + case 0x04: key = KEY_F16; break; + case 0x08: key = KEY_F17; break; + case 0x10: key = KEY_F18; break; + } + if (key) { + input_event(input, usage->type, key, 1); + last_key = key; + } else + input_event(input, usage->type, last_key, 0); + + return 1; + } + + return 0; +} + +static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + if (quirks & MS_HIDINPUT) + hdev->quirks |= HID_QUIRK_HIDINPUT; + if (quirks & MS_NOGET) + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id ms_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), + .driver_data = MS_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), + .driver_data = MS_ERGONOMY | MS_RDESC }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), + .driver_data = MS_PRESENTER }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), + .driver_data = MS_NOGET }, + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), + .driver_data = MS_PRESENTER }, + { } +}; +MODULE_DEVICE_TABLE(hid, ms_devices); + +static struct hid_driver ms_driver = { + .name = "microsoft", + .id_table = ms_devices, + .report_fixup = ms_report_fixup, + .input_mapping = ms_input_mapping, + .event = ms_event, + .probe = ms_probe, +}; + +static int ms_init(void) +{ + return hid_register_driver(&ms_driver); +} + +static void ms_exit(void) +{ + hid_unregister_driver(&ms_driver); +} + +module_init(ms_init); +module_exit(ms_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(microsoft); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 4c5ee9ecd40a..1614ed2efc15 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -50,14 +50,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV, HID_QUIRK_HIDINPUT }, { USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193, HID_QUIRK_HWHEEL_WHEEL_INVERT }, - - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K, HID_QUIRK_MICROSOFT_KEYS }, - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K, HID_QUIRK_MICROSOFT_KEYS }, - { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, @@ -70,7 +65,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0, HID_QUIRK_NOGET }, { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, @@ -93,8 +87,6 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION }, - { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 }, - { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, @@ -436,28 +428,6 @@ static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rs } } -/* - * Microsoft Wireless Desktop Receiver (Model 1028) has several - * 'Usage Min/Max' where it ought to have 'Physical Min/Max' - */ -static void usbhid_fixup_microsoft_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize == 571 && rdesc[284] == 0x19 - && rdesc[286] == 0x2a - && rdesc[304] == 0x19 - && rdesc[306] == 0x29 - && rdesc[352] == 0x1a - && rdesc[355] == 0x2a - && rdesc[557] == 0x19 - && rdesc[559] == 0x29) { - printk(KERN_INFO "Fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); - rdesc[284] = rdesc[304] = rdesc[557] = 0x35; - rdesc[352] = 0x36; - rdesc[286] = rdesc[355] = 0x46; - rdesc[306] = rdesc[559] = 0x45; - } -} - static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { if ((quirks & HID_QUIRK_RDESC_CYMOTION)) @@ -475,9 +445,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_MICROSOFT_RECV_1028) - usbhid_fixup_microsoft_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP) usbhid_fixup_sunplus_wdesktop(rdesc, rsize); } diff --git a/include/linux/hid.h b/include/linux/hid.h index 60e44e6b86e6..1f1edd886ef8 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -271,7 +271,6 @@ struct hid_item { #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 #define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000 #define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 -#define HID_QUIRK_MICROSOFT_KEYS 0x08000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* @@ -283,7 +282,6 @@ struct hid_item { #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 -#define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080 #define HID_QUIRK_RDESC_SUNPLUS_WDESKTOP 0x00000100 /* -- GitLab From 90231e7eaf752856a2c13f786f36ec7f641bad28 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 23 Jun 2008 21:56:07 +0200 Subject: [PATCH 4770/6244] HID: move sunplus quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-input-quirks.c | 20 -------- drivers/hid/hid-sunplus.c | 82 +++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 16 ------- include/linux/hid.h | 1 - 8 files changed, 94 insertions(+), 37 deletions(-) create mode 100644 drivers/hid/hid-sunplus.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 8067b653f8bf..147223993b86 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -112,6 +112,13 @@ config HID_MICROSOFT Support for some Microsoft devices which breaks less or more HID specification. +config HID_SUNPLUS + tristate "Sunplus" + default m + depends on USB_HID + ---help--- + Support for Sunplus WDesktop input device. + endmenu endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 3dc2828fb719..314d5b0c70d5 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -15,6 +15,7 @@ endif obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o +obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index db8fbd2f5028..e9e6dbbaaa83 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1181,6 +1181,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index fe64d60f9010..0c833d920c3d 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -13,6 +13,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MICROSOFT_MODULE HID_COMPAT_CALL_DRIVER(microsoft); #endif +#ifdef CONFIG_HID_SUNPLUS_MODULE + HID_COMPAT_CALL_DRIVER(sunplus); +#endif return -EIO; } diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index d1b4f093dcb3..a5e7163158fb 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -170,21 +170,6 @@ static int quirk_btc_8193(struct hid_usage *usage, struct hid_input *hidinput, return 1; } -static int quirk_sunplus_wdesktop(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x2003: map_key_clear(KEY_ZOOMIN); break; - case 0x2103: map_key_clear(KEY_ZOOMOUT); break; - default: - return 0; - } - return 1; -} - #define VENDOR_ID_BELKIN 0x1020 #define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006 @@ -206,9 +191,6 @@ static int quirk_sunplus_wdesktop(struct hid_usage *usage, #define VENDOR_ID_PETALYNX 0x18b1 #define DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 -#define VENDOR_ID_SUNPLUS 0x04fc -#define DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 - static const struct hid_input_blacklist { __u16 idVendor; __u16 idProduct; @@ -229,8 +211,6 @@ static const struct hid_input_blacklist { { VENDOR_ID_PETALYNX, DEVICE_ID_PETALYNX_MAXTER_REMOTE, quirk_petalynx_remote }, - { VENDOR_ID_SUNPLUS, DEVICE_ID_SUNPLUS_WDESKTOP, quirk_sunplus_wdesktop }, - { 0, 0, NULL } }; diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c new file mode 100644 index 000000000000..5ba68f7dbb78 --- /dev/null +++ b/drivers/hid/hid-sunplus.c @@ -0,0 +1,82 @@ +/* + * HID driver for some sunplus "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +static void sp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 && + rdesc[106] == 0x03) { + dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop " + "report descriptor\n"); + rdesc[105] = rdesc[110] = 0x03; + rdesc[106] = rdesc[111] = 0x21; + } +} + +#define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break; + case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id sp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { } +}; +MODULE_DEVICE_TABLE(hid, sp_devices); + +static struct hid_driver sp_driver = { + .name = "sunplus", + .id_table = sp_devices, + .report_fixup = sp_report_fixup, + .input_mapping = sp_input_mapping, +}; + +static int sp_init(void) +{ + return hid_register_driver(&sp_driver); +} + +static void sp_exit(void) +{ + hid_unregister_driver(&sp_driver); +} + +module_init(sp_init); +module_exit(sp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sunplus); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 1614ed2efc15..7f38c21e146b 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -93,8 +93,6 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, - { USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP, HID_QUIRK_RDESC_SUNPLUS_WDESKTOP }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, @@ -342,17 +340,6 @@ static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize) } } -static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize) -{ - if (rsize >= 107 && rdesc[104] == 0x26 - && rdesc[105] == 0x80 - && rdesc[106] == 0x03) { - printk(KERN_INFO "Fixing up Sunplus Wireless Desktop report descriptor\n"); - rdesc[105] = rdesc[110] = 0x03; - rdesc[106] = rdesc[111] = 0x21; - } -} - /* * Samsung IrDA remote controller (reports as Cypress USB Mouse). * @@ -444,9 +431,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); - - if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP) - usbhid_fixup_sunplus_wdesktop(rdesc, rsize); } /** diff --git a/include/linux/hid.h b/include/linux/hid.h index 1f1edd886ef8..a83d211021de 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -282,7 +282,6 @@ struct hid_item { #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 -#define HID_QUIRK_RDESC_SUNPLUS_WDESKTOP 0x00000100 /* * This is the global environment of the parser. This information is -- GitLab From 0f2213208f8da51bcb665309e3468f000489c04f Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 23 Jun 2008 22:54:08 +0200 Subject: [PATCH 4771/6244] HID: move cypress quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 3 + drivers/hid/hid-cypress.c | 158 ++++++++++++++++++++++++++++++++ drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-input-quirks.c | 4 +- drivers/hid/hid-input.c | 6 +- drivers/hid/usbhid/hid-quirks.c | 31 ------- include/linux/hid.h | 2 - 9 files changed, 177 insertions(+), 38 deletions(-) create mode 100644 drivers/hid/hid-cypress.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 147223993b86..69f3420882a6 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -96,6 +96,13 @@ config HID_APPLE If unsure, say M. +config HID_CYPRESS + tristate "Cypress" + default m + depends on USB_HID + ---help--- + Support for Cypress mouse and barcodes. + config HID_LOGITECH tristate "Logitech" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 314d5b0c70d5..061066201186 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -13,6 +13,7 @@ obj-m += hid-dummy.o endif obj-$(CONFIG_HID_APPLE) += hid-apple.o +obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e9e6dbbaaa83..331670b32e68 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1162,6 +1162,9 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c new file mode 100644 index 000000000000..a1e13f15f0a7 --- /dev/null +++ b/drivers/hid/hid-cypress.c @@ -0,0 +1,158 @@ +/* + * HID driver for some cypress "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define CP_RDESC_SWAPPED_MIN_MAX 0x01 +#define CP_2WHEEL_MOUSE_HACK 0x02 +#define CP_2WHEEL_MOUSE_HACK_ON 0x04 + +/* + * Some USB barcode readers from cypress have usage min and usage max in + * the wrong order + */ +static void cp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + unsigned int i; + + if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX)) + return; + + for (i = 0; i < rsize - 4; i++) + if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) { + __u8 tmp; + + rdesc[i] = 0x19; + rdesc[i + 2] = 0x29; + tmp = rdesc[i + 3]; + rdesc[i + 3] = rdesc[i + 1]; + rdesc[i + 1] = tmp; + } +} + +static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(quirks & CP_2WHEEL_MOUSE_HACK)) + return 0; + + if (usage->type == EV_REL && usage->code == REL_WHEEL) + set_bit(REL_HWHEEL, *bit); + if (usage->hid == 0x00090005) + return -1; + + return 0; +} + +static int cp_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type || !(quirks & CP_2WHEEL_MOUSE_HACK)) + return 0; + + if (usage->hid == 0x00090005) { + if (value) + quirks |= CP_2WHEEL_MOUSE_HACK_ON; + else + quirks &= ~CP_2WHEEL_MOUSE_HACK_ON; + hid_set_drvdata(hdev, (void *)quirks); + return 1; + } + + if (usage->code == REL_WHEEL && (quirks & CP_2WHEEL_MOUSE_HACK_ON)) { + struct input_dev *input = field->hidinput->input; + + input_event(input, usage->type, REL_HWHEEL, value); + return 1; + } + + return 0; +} + +static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id cp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1), + .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2), + .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE), + .driver_data = CP_2WHEEL_MOUSE_HACK }, + { } +}; +MODULE_DEVICE_TABLE(hid, cp_devices); + +static struct hid_driver cp_driver = { + .name = "cypress", + .id_table = cp_devices, + .report_fixup = cp_report_fixup, + .input_mapped = cp_input_mapped, + .event = cp_event, + .probe = cp_probe, +}; + +static int cp_init(void) +{ + return hid_register_driver(&cp_driver); +} + +static void cp_exit(void) +{ + hid_unregister_driver(&cp_driver); +} + +module_init(cp_init); +module_exit(cp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(cypress); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 0c833d920c3d..27cffe3586f5 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -7,6 +7,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_APPLE_MODULE HID_COMPAT_CALL_DRIVER(apple); #endif +#ifdef CONFIG_HID_CYPRESS_MODULE + HID_COMPAT_CALL_DRIVER(cypress); +#endif #ifdef CONFIG_HID_LOGITECH_MODULE HID_COMPAT_CALL_DRIVER(logitech); #endif diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index a5e7163158fb..6e7314f7b998 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -236,8 +236,8 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc input = field->hidinput->input; - if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) - || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) { + if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && + (usage->hid == 0x00090007)) { if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; return 1; diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index a6223bc5c734..f1df25ab0baa 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -515,13 +515,13 @@ mapped: hidinput, field, usage, &bit, &max) < 0) goto ignore; - if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 | + if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && (usage->code == REL_WHEEL)) set_bit(REL_HWHEEL, bit); - if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005)) - || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) + if ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && + (usage->hid == 0x00090007)) goto ignore; set_bit(usage->type, input->evbit); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 7f38c21e146b..da80c64fb25c 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -31,7 +31,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 }, { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 }, { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, @@ -93,9 +92,6 @@ static const struct hid_rdesc_blacklist { { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, - { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX }, - { 0, 0 } }; @@ -382,30 +378,6 @@ static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize) } } -/* - * Some USB barcode readers from cypress have usage min and usage max in - * the wrong order - */ -static void usbhid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize) -{ - short fixed = 0; - int i; - - for (i = 0; i < rsize - 4; i++) { - if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) { - unsigned char tmp; - - rdesc[i] = 0x19; rdesc[i+2] = 0x29; - tmp = rdesc[i+3]; - rdesc[i+3] = rdesc[i+1]; - rdesc[i+1] = tmp; - } - } - - if (fixed) - printk(KERN_INFO "Fixing up Cypress report descriptor\n"); -} - static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize) { if (rsize >= 30 && rdesc[29] == 0x05 @@ -420,9 +392,6 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned if ((quirks & HID_QUIRK_RDESC_CYMOTION)) usbhid_fixup_cymotion_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_SWAPPED_MIN_MAX) - usbhid_fixup_cypress_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_PETALYNX) usbhid_fixup_petalynx_descriptor(rdesc, rsize); diff --git a/include/linux/hid.h b/include/linux/hid.h index a83d211021de..27bfbcc1ef81 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -262,7 +262,6 @@ struct hid_item { #define HID_QUIRK_BADPAD 0x00000020 #define HID_QUIRK_MULTI_INPUT 0x00000040 #define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x00000080 -#define HID_QUIRK_2WHEEL_MOUSE_HACK_5 0x00000100 #define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 @@ -278,7 +277,6 @@ struct hid_item { */ #define HID_QUIRK_RDESC_CYMOTION 0x00000001 -#define HID_QUIRK_RDESC_SWAPPED_MIN_MAX 0x00000004 #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 -- GitLab From 14a21cd459f97e3b3cc4fcde48fc5bcdb81d097e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 23 Jun 2008 23:31:09 +0200 Subject: [PATCH 4772/6244] HID: move a4tech quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-a4tech.c | 162 ++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 2 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-input-quirks.c | 25 ----- drivers/hid/hid-input.c | 9 -- drivers/hid/usbhid/hid-quirks.c | 4 - include/linux/hid.h | 5 - 9 files changed, 175 insertions(+), 43 deletions(-) create mode 100644 drivers/hid/hid-a4tech.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 69f3420882a6..01456b1d3833 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -82,6 +82,13 @@ config HID_COMPAT If unsure, say Y. +config HID_A4TECH + tristate "A4 tech" + default m + depends on USB_HID + ---help--- + Support for A4 tech X5 and WOP-35 / Trust 450L mice. + config HID_APPLE tristate "Apple" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 061066201186..ceede11eed7c 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -12,6 +12,7 @@ ifdef CONFIG_HID_COMPAT obj-m += hid-dummy.o endif +obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c new file mode 100644 index 000000000000..26e16083a1f1 --- /dev/null +++ b/drivers/hid/hid-a4tech.c @@ -0,0 +1,162 @@ +/* + * HID driver for some a4tech "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define A4_2WHEEL_MOUSE_HACK_7 0x01 +#define A4_2WHEEL_MOUSE_HACK_B8 0x02 + +struct a4tech_sc { + unsigned long quirks; + unsigned int hw_wheel; + __s32 delayed_value; +}; + +static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + + if (usage->type == EV_REL && usage->code == REL_WHEEL) + set_bit(REL_HWHEEL, *bit); + + if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) + return -1; + + return 0; +} + +static int a4_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + struct input_dev *input; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + input = field->hidinput->input; + + if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8) { + if (usage->type == EV_REL && usage->code == REL_WHEEL) { + a4->delayed_value = value; + return 1; + } + + if (usage->hid == 0x000100b8) { + input_event(input, EV_REL, value ? REL_HWHEEL : + REL_WHEEL, a4->delayed_value); + return 1; + } + } + + if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) { + a4->hw_wheel = !!value; + return 1; + } + + if (usage->code == REL_WHEEL && a4->hw_wheel) { + input_event(input, usage->type, REL_HWHEEL, value); + return 1; + } + + return 0; +} + +static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct a4tech_sc *a4; + int ret; + + a4 = kzalloc(sizeof(*a4), GFP_KERNEL); + if (a4 == NULL) { + dev_err(&hdev->dev, "can't alloc device descriptor\n"); + ret = -ENOMEM; + goto err_free; + } + + a4->quirks = id->driver_data; + + hid_set_drvdata(hdev, a4); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + kfree(a4); + return ret; +} + +static void a4_remove(struct hid_device *hdev) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + + hid_hw_stop(hdev); + kfree(a4); +} + +static const struct hid_device_id a4_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU), + .driver_data = A4_2WHEEL_MOUSE_HACK_7 }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D), + .driver_data = A4_2WHEEL_MOUSE_HACK_B8 }, + { } +}; +MODULE_DEVICE_TABLE(hid, a4_devices); + +static struct hid_driver a4_driver = { + .name = "a4tech", + .id_table = a4_devices, + .input_mapped = a4_input_mapped, + .event = a4_event, + .probe = a4_probe, + .remove = a4_remove, +}; + +static int a4_init(void) +{ + return hid_register_driver(&a4_driver); +} + +static void a4_exit(void) +{ + hid_unregister_driver(&a4_driver); +} + +module_init(a4_init); +module_exit(a4_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(a4tech); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 331670b32e68..be582976db2c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1132,6 +1132,8 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev, } static const struct hid_device_id hid_blacklist[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 27cffe3586f5..123f1c71cdf2 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -4,6 +4,9 @@ static int __init hid_dummy_init(void) { +#ifdef CONFIG_HID_A4TECH_MODULE + HID_COMPAT_CALL_DRIVER(a4tech); +#endif #ifdef CONFIG_HID_APPLE_MODULE HID_COMPAT_CALL_DRIVER(apple); #endif diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 6e7314f7b998..5bacf181a8ca 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -236,31 +236,6 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc input = field->hidinput->input; - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && - (usage->hid == 0x00090007)) { - if (value) hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; - else hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; - return 1; - } - - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) && - (usage->type == EV_REL) && - (usage->code == REL_WHEEL)) { - hid->delayed_value = value; - return 1; - } - - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_B8) && - (usage->hid == 0x000100b8)) { - input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, hid->delayed_value); - return 1; - } - - if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) { - input_event(input, usage->type, REL_HWHEEL, value); - return 1; - } - /* handle the temporary quirky mapping to HWHEEL */ if (hid->quirks & HID_QUIRK_HWHEEL_WHEEL_INVERT && usage->type == EV_REL && usage->code == REL_HWHEEL) { diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index f1df25ab0baa..1d2d0827820c 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -515,15 +515,6 @@ mapped: hidinput, field, usage, &bit, &max) < 0) goto ignore; - if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | - HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) && - (usage->code == REL_WHEEL)) - set_bit(REL_HWHEEL, bit); - - if ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && - (usage->hid == 0x00090007)) - goto ignore; - set_bit(usage->type, input->evbit); while (usage->code <= max && test_and_set_bit(usage->code, bit)) diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index da80c64fb25c..1d12fb24829c 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -28,10 +28,6 @@ static const struct hid_blacklist { __u16 idProduct; __u32 quirks; } hid_blacklist[] = { - - { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 }, - { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D, HID_QUIRK_2WHEEL_MOUSE_HACK_B8 }, - { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD }, diff --git a/include/linux/hid.h b/include/linux/hid.h index 27bfbcc1ef81..a7cc4af2e467 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -261,14 +261,11 @@ struct hid_item { #define HID_QUIRK_HIDDEV 0x00000010 #define HID_QUIRK_BADPAD 0x00000020 #define HID_QUIRK_MULTI_INPUT 0x00000040 -#define HID_QUIRK_2WHEEL_MOUSE_HACK_7 0x00000080 -#define HID_QUIRK_2WHEEL_MOUSE_HACK_ON 0x00000200 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 #define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_HIDINPUT 0x00200000 #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 -#define HID_QUIRK_2WHEEL_MOUSE_HACK_B8 0x02000000 #define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 @@ -453,8 +450,6 @@ struct hid_device { /* device report descriptor */ void *driver_data; - __s32 delayed_value; /* For A4 Tech mice hwheel quirk */ - /* hiddev event handler */ void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, struct hid_usage *, __s32); -- GitLab From 3b239cd739a9499da08326356add3d9d992c7911 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 24 Jun 2008 20:42:25 +0200 Subject: [PATCH 4773/6244] HID: move cherry quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-cherry.c | 87 +++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-input-quirks.c | 21 -------- drivers/hid/usbhid/hid-quirks.c | 19 ------- include/linux/hid.h | 1 - 8 files changed, 99 insertions(+), 41 deletions(-) create mode 100644 drivers/hid/hid-cherry.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 01456b1d3833..85aabb5d9712 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -103,6 +103,13 @@ config HID_APPLE If unsure, say M. +config HID_CHERRY + tristate "Cherry" + default m + depends on USB_HID + ---help--- + Support for Cherry Cymotion. + config HID_CYPRESS tristate "Cypress" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index ceede11eed7c..cd6bd024767c 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -14,6 +14,7 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o +obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c new file mode 100644 index 000000000000..b833b9769aba --- /dev/null +++ b/drivers/hid/hid-cherry.c @@ -0,0 +1,87 @@ +/* + * HID driver for some cherry "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +/* + * Cherry Cymotion keyboard have an invalid HID report descriptor, + * that needs fixing before we can parse it. + */ +static void ch_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { + dev_info(&hdev->dev, "fixing up Cherry Cymotion report " + "descriptor\n"); + rdesc[11] = rdesc[16] = 0xff; + rdesc[12] = rdesc[17] = 0x03; + } +} + +#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x301: ch_map_key_clear(KEY_PROG1); break; + case 0x302: ch_map_key_clear(KEY_PROG2); break; + case 0x303: ch_map_key_clear(KEY_PROG3); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ch_devices); + +static struct hid_driver ch_driver = { + .name = "cherry", + .id_table = ch_devices, + .report_fixup = ch_report_fixup, + .input_mapping = ch_input_mapping, +}; + +static int ch_init(void) +{ + return hid_register_driver(&ch_driver); +} + +static void ch_exit(void) +{ + hid_unregister_driver(&ch_driver); +} + +module_init(ch_init); +module_exit(ch_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(cherry); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index be582976db2c..5acdc3742851 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1164,6 +1164,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 123f1c71cdf2..178344ea651b 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -10,6 +10,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_APPLE_MODULE HID_COMPAT_CALL_DRIVER(apple); #endif +#ifdef CONFIG_HID_CHERRY_MODULE + HID_COMPAT_CALL_DRIVER(cherry); +#endif #ifdef CONFIG_HID_CYPRESS_MODULE HID_COMPAT_CALL_DRIVER(cypress); #endif diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 5bacf181a8ca..97ee75064a0e 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -38,22 +38,6 @@ static int quirk_belkin_wkbd(struct hid_usage *usage, return 1; } -static int quirk_cherry_cymotion(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x301: map_key_clear(KEY_PROG1); break; - case 0x302: map_key_clear(KEY_PROG2); break; - case 0x303: map_key_clear(KEY_PROG3); break; - default: - return 0; - } - return 1; -} - static int quirk_gyration_remote(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -173,9 +157,6 @@ static int quirk_btc_8193(struct hid_usage *usage, struct hid_input *hidinput, #define VENDOR_ID_BELKIN 0x1020 #define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006 -#define VENDOR_ID_CHERRY 0x046a -#define DEVICE_ID_CHERRY_CYMOTION 0x0023 - #define VENDOR_ID_CHICONY 0x04f2 #define DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 @@ -199,8 +180,6 @@ static const struct hid_input_blacklist { } hid_input_blacklist[] = { { VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd }, - { VENDOR_ID_CHERRY, DEVICE_ID_CHERRY_CYMOTION, quirk_cherry_cymotion }, - { VENDOR_ID_CHICONY, DEVICE_ID_CHICONY_TACTICAL_PAD, quirk_chicony_tactical_pad }, { VENDOR_ID_EZKEY, DEVICE_ID_BTC_8193, quirk_btc_8193 }, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 1d12fb24829c..0cc6e4223cd1 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -79,9 +79,6 @@ static const struct hid_rdesc_blacklist { __u16 idProduct; __u32 quirks; } hid_rdesc_blacklist[] = { - - { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_RDESC_CYMOTION }, - { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, @@ -319,19 +316,6 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); -/* - * Cherry Cymotion keyboard have an invalid HID report descriptor, - * that needs fixing before we can parse it. - */ -static void usbhid_fixup_cymotion_descriptor(char *rdesc, int rsize) -{ - if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { - printk(KERN_INFO "Fixing up Cherry Cymotion report descriptor\n"); - rdesc[11] = rdesc[16] = 0xff; - rdesc[12] = rdesc[17] = 0x03; - } -} - /* * Samsung IrDA remote controller (reports as Cypress USB Mouse). * @@ -385,9 +369,6 @@ static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rs static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { - if ((quirks & HID_QUIRK_RDESC_CYMOTION)) - usbhid_fixup_cymotion_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_PETALYNX) usbhid_fixup_petalynx_descriptor(rdesc, rsize); diff --git a/include/linux/hid.h b/include/linux/hid.h index a7cc4af2e467..d9ab4a3af431 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -273,7 +273,6 @@ struct hid_item { * Separate quirks for runtime report descriptor fixup */ -#define HID_QUIRK_RDESC_CYMOTION 0x00000001 #define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 -- GitLab From 1f243e302cea1561ac881eb5d27041c5342beba4 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 24 Jun 2008 21:11:21 +0200 Subject: [PATCH 4774/6244] HID: move ezkey quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-ezkey.c | 95 +++++++++++++++++++++++++++++++++ drivers/hid/hid-input-quirks.c | 37 ------------- drivers/hid/usbhid/hid-quirks.c | 2 - include/linux/hid.h | 1 - 8 files changed, 107 insertions(+), 40 deletions(-) create mode 100644 drivers/hid/hid-ezkey.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 85aabb5d9712..8098ad322b71 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -117,6 +117,13 @@ config HID_CYPRESS ---help--- Support for Cypress mouse and barcodes. +config HID_EZKEY + tristate "Ezkey" + default m + depends on USB_HID + ---help--- + Support for Ezkey mouse and barcodes. + config HID_LOGITECH tristate "Logitech" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index cd6bd024767c..4790777f8435 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o +obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5acdc3742851..84e478df057c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1168,6 +1168,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 178344ea651b..0dbdbb73b73c 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -16,6 +16,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_CYPRESS_MODULE HID_COMPAT_CALL_DRIVER(cypress); #endif +#ifdef CONFIG_HID_EZKEY_MODULE + HID_COMPAT_CALL_DRIVER(ezkey); +#endif #ifdef CONFIG_HID_LOGITECH_MODULE HID_COMPAT_CALL_DRIVER(logitech); #endif diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c new file mode 100644 index 000000000000..deb42f931b7e --- /dev/null +++ b/drivers/hid/hid-ezkey.c @@ -0,0 +1,95 @@ +/* + * HID driver for some ezkey "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define ez_map_rel(c) hid_map_usage(hi, usage, bit, max, EV_REL, (c)) +#define ez_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) + +static int ez_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x230: ez_map_key(BTN_MOUSE); break; + case 0x231: ez_map_rel(REL_WHEEL); break; + /* + * this keyboard has a scrollwheel implemented in + * totally broken way. We map this usage temporarily + * to HWHEEL and handle it in the event quirk handler + */ + case 0x232: ez_map_rel(REL_HWHEEL); break; + default: + return 0; + } + return 1; +} + +static int ez_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + /* handle the temporary quirky mapping to HWHEEL */ + if (usage->type == EV_REL && usage->code == REL_HWHEEL) { + struct input_dev *input = field->hidinput->input; + input_event(input, usage->type, REL_WHEEL, -value); + return 1; + } + + return 0; +} + +static const struct hid_device_id ez_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ez_devices); + +static struct hid_driver ez_driver = { + .name = "ezkey", + .id_table = ez_devices, + .input_mapping = ez_input_mapping, + .event = ez_event, +}; + +static int ez_init(void) +{ + return hid_register_driver(&ez_driver); +} + +static void ez_exit(void) +{ + hid_unregister_driver(&ez_driver); +} + +module_init(ez_init); +module_exit(ez_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(ezkey); diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 97ee75064a0e..4cd585b64ae0 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -16,9 +16,6 @@ #include #include -#define map_rel(c) hid_map_usage(hidinput, usage, bit, max, EV_REL, (c)) -#define map_key(c) hid_map_usage(hidinput, usage, bit, max, EV_KEY, (c)) - #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, bit, \ max, EV_KEY, (c)) @@ -132,37 +129,12 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, return 1; } -static int quirk_btc_8193(struct hid_usage *usage, struct hid_input *hidinput, - unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x230: map_key(BTN_MOUSE); break; - case 0x231: map_rel(REL_WHEEL); break; - /* - * this keyboard has a scrollwheel implemented in - * totally broken way. We map this usage temporarily - * to HWHEEL and handle it in the event quirk handler - */ - case 0x232: map_rel(REL_HWHEEL); break; - - default: - return 0; - } - return 1; -} - #define VENDOR_ID_BELKIN 0x1020 #define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006 #define VENDOR_ID_CHICONY 0x04f2 #define DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 -#define VENDOR_ID_EZKEY 0x0518 -#define DEVICE_ID_BTC_8193 0x0002 - #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 @@ -182,8 +154,6 @@ static const struct hid_input_blacklist { { VENDOR_ID_CHICONY, DEVICE_ID_CHICONY_TACTICAL_PAD, quirk_chicony_tactical_pad }, - { VENDOR_ID_EZKEY, DEVICE_ID_BTC_8193, quirk_btc_8193 }, - { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, @@ -215,13 +185,6 @@ int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struc input = field->hidinput->input; - /* handle the temporary quirky mapping to HWHEEL */ - if (hid->quirks & HID_QUIRK_HWHEEL_WHEEL_INVERT && - usage->type == EV_REL && usage->code == REL_HWHEEL) { - input_event(input, usage->type, REL_WHEEL, -value); - return 1; - } - /* Gyration MCE remote "Sleep" key */ if (hid->vendor == VENDOR_ID_GYRATION && hid->product == DEVICE_ID_GYRATION_REMOTE && diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 0cc6e4223cd1..ddc16ea159a3 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -46,8 +46,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, - { USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193, HID_QUIRK_HWHEEL_WHEEL_INVERT }, - { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, diff --git a/include/linux/hid.h b/include/linux/hid.h index d9ab4a3af431..298cbcce3a2d 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -266,7 +266,6 @@ struct hid_item { #define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_HIDINPUT 0x00200000 #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 -#define HID_QUIRK_HWHEEL_WHEEL_INVERT 0x04000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* -- GitLab From fcfacfd3594d5d2fa99fb5e7d33dee3904b1a156 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 24 Jun 2008 22:48:52 +0200 Subject: [PATCH 4775/6244] HID: move chicony quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-chicony.c | 80 ++++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-ids.h | 3 ++ drivers/hid/hid-input-quirks.c | 30 ------------- 7 files changed, 95 insertions(+), 30 deletions(-) create mode 100644 drivers/hid/hid-chicony.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 8098ad322b71..1e6a5a044591 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -110,6 +110,13 @@ config HID_CHERRY ---help--- Support for Cherry Cymotion. +config HID_CHICONY + tristate "Chicony" + default m + depends on USB_HID + ---help--- + Support for Chicony Tactical pad. + config HID_CYPRESS tristate "Cypress" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 4790777f8435..a5eaa3e078be 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -15,6 +15,7 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o +obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c new file mode 100644 index 000000000000..a54d4096e0f7 --- /dev/null +++ b/drivers/hid/hid-chicony.c @@ -0,0 +1,80 @@ +/* + * HID driver for some chicony "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + case 0xff01: ch_map_key_clear(BTN_1); break; + case 0xff02: ch_map_key_clear(BTN_2); break; + case 0xff03: ch_map_key_clear(BTN_3); break; + case 0xff04: ch_map_key_clear(BTN_4); break; + case 0xff05: ch_map_key_clear(BTN_5); break; + case 0xff06: ch_map_key_clear(BTN_6); break; + case 0xff07: ch_map_key_clear(BTN_7); break; + case 0xff08: ch_map_key_clear(BTN_8); break; + case 0xff09: ch_map_key_clear(BTN_9); break; + case 0xff0a: ch_map_key_clear(BTN_A); break; + case 0xff0b: ch_map_key_clear(BTN_B); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id ch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ch_devices); + +static struct hid_driver ch_driver = { + .name = "chicony", + .id_table = ch_devices, + .input_mapping = ch_input_mapping, +}; + +static int ch_init(void) +{ + return hid_register_driver(&ch_driver); +} + +static void ch_exit(void) +{ + hid_unregister_driver(&ch_driver); +} + +module_init(ch_init); +module_exit(ch_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(chicony); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 84e478df057c..0c4e78828005 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1165,6 +1165,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 0dbdbb73b73c..0b683af41b24 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -13,6 +13,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_CHERRY_MODULE HID_COMPAT_CALL_DRIVER(cherry); #endif +#ifdef CONFIG_HID_CHICONY_MODULE + HID_COMPAT_CALL_DRIVER(chicony); +#endif #ifdef CONFIG_HID_CYPRESS_MODULE HID_COMPAT_CALL_DRIVER(cypress); #endif diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index d7e548dbe7c3..11472d96e2ad 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -108,6 +108,9 @@ #define USB_VENDOR_ID_CHIC 0x05fe #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014 +#define USB_VENDOR_ID_CHICONY 0x04f2 +#define USB_DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 + #define USB_VENDOR_ID_CIDC 0x1677 #define USB_VENDOR_ID_CMEDIA 0x0d8c diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 4cd585b64ae0..5f84568b9bd0 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -58,31 +58,6 @@ static int quirk_gyration_remote(struct hid_usage *usage, return 1; } -static int quirk_chicony_tactical_pad(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) - return 0; - - set_bit(EV_REP, hidinput->input->evbit); - switch (usage->hid & HID_USAGE) { - case 0xff01: map_key_clear(BTN_1); break; - case 0xff02: map_key_clear(BTN_2); break; - case 0xff03: map_key_clear(BTN_3); break; - case 0xff04: map_key_clear(BTN_4); break; - case 0xff05: map_key_clear(BTN_5); break; - case 0xff06: map_key_clear(BTN_6); break; - case 0xff07: map_key_clear(BTN_7); break; - case 0xff08: map_key_clear(BTN_8); break; - case 0xff09: map_key_clear(BTN_9); break; - case 0xff0a: map_key_clear(BTN_A); break; - case 0xff0b: map_key_clear(BTN_B); break; - default: - return 0; - } - return 1; -} - static int quirk_petalynx_remote(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -132,9 +107,6 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, #define VENDOR_ID_BELKIN 0x1020 #define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006 -#define VENDOR_ID_CHICONY 0x04f2 -#define DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 - #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 @@ -152,8 +124,6 @@ static const struct hid_input_blacklist { } hid_input_blacklist[] = { { VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd }, - { VENDOR_ID_CHICONY, DEVICE_ID_CHICONY_TACTICAL_PAD, quirk_chicony_tactical_pad }, - { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, -- GitLab From b5635b129b3ca3a9c879a36f58f5b8c4903d267a Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 24 Jun 2008 23:24:57 +0200 Subject: [PATCH 4776/6244] HID: move belkin quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-belkin.c | 107 ++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 2 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-ids.h | 3 + drivers/hid/hid-input-quirks.c | 21 ------- drivers/hid/usbhid/hid-quirks.c | 1 - 8 files changed, 123 insertions(+), 22 deletions(-) create mode 100644 drivers/hid/hid-belkin.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 1e6a5a044591..b093f3c83e36 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -103,6 +103,13 @@ config HID_APPLE If unsure, say M. +config HID_BELKIN + tristate "Belkin" + default m + depends on USB_HID + ---help--- + Support for Belkin Flip KVM and Wireless keyboard. + config HID_CHERRY tristate "Cherry" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index a5eaa3e078be..ffb58f8001b7 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -14,6 +14,7 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o +obj-$(CONFIG_HID_BELKIN) += hid-belkin.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c new file mode 100644 index 000000000000..050b9892d7ef --- /dev/null +++ b/drivers/hid/hid-belkin.c @@ -0,0 +1,107 @@ +/* + * HID driver for some belkin "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +#define BELKIN_HIDDEV 0x01 +#define BELKIN_WKBD 0x02 + +#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || + !(quirks & BELKIN_WKBD)) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x03a: belkin_map_key_clear(KEY_SOUND); break; + case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; + case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; + default: + return 0; + } + return 1; +} + +static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + if (quirks & BELKIN_HIDDEV) + hdev->quirks |= HID_QUIRK_HIDDEV; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id belkin_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), + .driver_data = BELKIN_HIDDEV }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), + .driver_data = BELKIN_WKBD }, + { } +}; +MODULE_DEVICE_TABLE(hid, belkin_devices); + +static struct hid_driver belkin_driver = { + .name = "belkin", + .id_table = belkin_devices, + .input_mapping = belkin_input_mapping, + .probe = belkin_probe, +}; + +static int belkin_init(void) +{ + return hid_register_driver(&belkin_driver); +} + +static void belkin_exit(void) +{ + hid_unregister_driver(&belkin_driver); +} + +module_init(belkin_init); +module_exit(belkin_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(belkin); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 0c4e78828005..81e7d70260a4 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1164,12 +1164,14 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 0b683af41b24..b95476c47449 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -10,6 +10,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_APPLE_MODULE HID_COMPAT_CALL_DRIVER(apple); #endif +#ifdef CONFIG_HID_BELKIN_MODULE + HID_COMPAT_CALL_DRIVER(belkin); +#endif #ifdef CONFIG_HID_CHERRY_MODULE HID_COMPAT_CALL_DRIVER(cherry); #endif diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 11472d96e2ad..ebe665206a72 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -234,6 +234,9 @@ #define USB_VENDOR_ID_KBGEAR 0x084e #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 +#define USB_VENDOR_ID_LABTEC 0x1020 +#define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 + #define USB_VENDOR_ID_LD 0x0f11 #define USB_DEVICE_ID_LD_CASSY 0x1000 #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010 diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 5f84568b9bd0..d10f47765553 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -19,22 +19,6 @@ #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, bit, \ max, EV_KEY, (c)) -static int quirk_belkin_wkbd(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x03a: map_key_clear(KEY_SOUND); break; - case 0x03b: map_key_clear(KEY_CAMERA); break; - case 0x03c: map_key_clear(KEY_DOCUMENTS); break; - default: - return 0; - } - return 1; -} - static int quirk_gyration_remote(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -104,9 +88,6 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, return 1; } -#define VENDOR_ID_BELKIN 0x1020 -#define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006 - #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 @@ -122,8 +103,6 @@ static const struct hid_input_blacklist { int (*quirk)(struct hid_usage *, struct hid_input *, unsigned long **, int *); } hid_input_blacklist[] = { - { VENDOR_ID_BELKIN, DEVICE_ID_BELKIN_WIRELESS_KEYBOARD, quirk_belkin_wkbd }, - { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index ddc16ea159a3..c344ec2fad5d 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -43,7 +43,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, - { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV }, { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, -- GitLab From 1e76253220dbe66e048e55680266dd1f4af0be85 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 24 Jun 2008 23:46:21 +0200 Subject: [PATCH 4777/6244] HID: move petalynx quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-input-quirks.c | 33 --------- drivers/hid/hid-petalynx.c | 122 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 21 ------ include/linux/hid.h | 1 - 8 files changed, 134 insertions(+), 55 deletions(-) create mode 100644 drivers/hid/hid-petalynx.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index b093f3c83e36..04f646a90d32 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -154,6 +154,13 @@ config HID_MICROSOFT Support for some Microsoft devices which breaks less or more HID specification. +config HID_PETALYNX + tristate "Petalynx" + default m + depends on USB_HID + ---help--- + Support for Petalynx Maxter remote. + config HID_SUNPLUS tristate "Sunplus" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index ffb58f8001b7..359a5bae4082 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o +obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 81e7d70260a4..2b7a08fe1718 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1191,6 +1191,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index b95476c47449..c28422c9d2b5 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -31,6 +31,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MICROSOFT_MODULE HID_COMPAT_CALL_DRIVER(microsoft); #endif +#ifdef CONFIG_HID_PETALYNX_MODULE + HID_COMPAT_CALL_DRIVER(petalynx); +#endif #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index d10f47765553..903162a63c4f 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -42,34 +42,6 @@ static int quirk_gyration_remote(struct hid_usage *usage, return 1; } -static int quirk_petalynx_remote(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if (((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) && - ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)) - return 0; - - if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) - switch(usage->hid & HID_USAGE) { - case 0x05a: map_key_clear(KEY_TEXT); break; - case 0x05b: map_key_clear(KEY_RED); break; - case 0x05c: map_key_clear(KEY_GREEN); break; - case 0x05d: map_key_clear(KEY_YELLOW); break; - case 0x05e: map_key_clear(KEY_BLUE); break; - default: - return 0; - } - - if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) - switch(usage->hid & HID_USAGE) { - case 0x0f6: map_key_clear(KEY_NEXT); break; - case 0x0fa: map_key_clear(KEY_BACK); break; - default: - return 0; - } - return 1; -} - static int quirk_cherry_genius_29e(struct hid_usage *usage, struct hid_input *hidinput, unsigned long **bit, int *max) { @@ -94,9 +66,6 @@ static int quirk_cherry_genius_29e(struct hid_usage *usage, #define VENDOR_ID_MONTEREY 0x0566 #define DEVICE_ID_GENIUS_KB29E 0x3004 -#define VENDOR_ID_PETALYNX 0x18b1 -#define DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 - static const struct hid_input_blacklist { __u16 idVendor; __u16 idProduct; @@ -107,8 +76,6 @@ static const struct hid_input_blacklist { { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, - { VENDOR_ID_PETALYNX, DEVICE_ID_PETALYNX_MAXTER_REMOTE, quirk_petalynx_remote }, - { 0, 0, NULL } }; diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c new file mode 100644 index 000000000000..4109244f1d72 --- /dev/null +++ b/drivers/hid/hid-petalynx.c @@ -0,0 +1,122 @@ +/* + * HID driver for some petalynx "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +/* Petalynx Maxter Remote has maximum for consumer page set too low */ +static void pl_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 && + rdesc[41] == 0x00 && rdesc[59] == 0x26 && + rdesc[60] == 0xf9 && rdesc[61] == 0x00) { + dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report " + "descriptor\n"); + rdesc[60] = 0xfa; + rdesc[40] = 0xfa; + } +} + +#define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) { + switch (usage->hid & HID_USAGE) { + case 0x05a: pl_map_key_clear(KEY_TEXT); break; + case 0x05b: pl_map_key_clear(KEY_RED); break; + case 0x05c: pl_map_key_clear(KEY_GREEN); break; + case 0x05d: pl_map_key_clear(KEY_YELLOW); break; + case 0x05e: pl_map_key_clear(KEY_BLUE); break; + default: + return 0; + } + return 1; + } + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { + switch (usage->hid & HID_USAGE) { + case 0x0f6: pl_map_key_clear(KEY_NEXT); break; + case 0x0fa: pl_map_key_clear(KEY_BACK); break; + default: + return 0; + } + return 1; + } + + return 0; +} + +static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id pl_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, pl_devices); + +static struct hid_driver pl_driver = { + .name = "petalynx", + .id_table = pl_devices, + .report_fixup = pl_report_fixup, + .input_mapping = pl_input_mapping, + .probe = pl_probe, +}; + +static int pl_init(void) +{ + return hid_register_driver(&pl_driver); +} + +static void pl_exit(void) +{ + hid_unregister_driver(&pl_driver); +} + +module_init(pl_init); +module_exit(pl_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(petalynx); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index c344ec2fad5d..3f977abb62b1 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -57,7 +57,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, - { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, @@ -78,8 +77,6 @@ static const struct hid_rdesc_blacklist { } hid_rdesc_blacklist[] = { { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, - { USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE, HID_QUIRK_RDESC_PETALYNX }, - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, { 0, 0 } @@ -340,21 +337,6 @@ static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc, } } -/* Petalynx Maxter Remote has maximum for consumer page set too low */ -static void usbhid_fixup_petalynx_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 60 && rdesc[39] == 0x2a - && rdesc[40] == 0xf5 - && rdesc[41] == 0x00 - && rdesc[59] == 0x26 - && rdesc[60] == 0xf9 - && rdesc[61] == 0x00) { - printk(KERN_INFO "Fixing up Petalynx Maxter Remote report descriptor\n"); - rdesc[60] = 0xfa; - rdesc[40] = 0xfa; - } -} - static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize) { if (rsize >= 30 && rdesc[29] == 0x05 @@ -366,9 +348,6 @@ static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rs static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { - if (quirks & HID_QUIRK_RDESC_PETALYNX) - usbhid_fixup_petalynx_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER) usbhid_fixup_button_consumer_descriptor(rdesc, rsize); diff --git a/include/linux/hid.h b/include/linux/hid.h index 298cbcce3a2d..7f4c94ffa617 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -272,7 +272,6 @@ struct hid_item { * Separate quirks for runtime report descriptor fixup */ -#define HID_QUIRK_RDESC_PETALYNX 0x00000008 #define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 -- GitLab From 3b8006e51038ef263a0404756d9e190c9a9f74d5 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 25 Jun 2008 00:07:50 +0200 Subject: [PATCH 4778/6244] HID: move monterey quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-input-quirks.c | 23 --------- drivers/hid/hid-monterey.c | 82 +++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 14 ------ include/linux/hid.h | 1 - 8 files changed, 94 insertions(+), 38 deletions(-) create mode 100644 drivers/hid/hid-monterey.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 04f646a90d32..d71507a5cccb 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -154,6 +154,13 @@ config HID_MICROSOFT Support for some Microsoft devices which breaks less or more HID specification. +config HID_MONTEREY + tristate "Monterey" + default m + depends on USB_HID + ---help--- + Support for Monterey Genius KB29E. + config HID_PETALYNX tristate "Petalynx" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 359a5bae4082..48b5fb25d16a 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o +obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 2b7a08fe1718..fa2723100450 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1191,6 +1191,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index c28422c9d2b5..1dbb454c8112 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -31,6 +31,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MICROSOFT_MODULE HID_COMPAT_CALL_DRIVER(microsoft); #endif +#ifdef CONFIG_HID_MONTEREY_MODULE + HID_COMPAT_CALL_DRIVER(monterey); +#endif #ifdef CONFIG_HID_PETALYNX_MODULE HID_COMPAT_CALL_DRIVER(petalynx); #endif diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 903162a63c4f..1a4ba0313030 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -42,30 +42,9 @@ static int quirk_gyration_remote(struct hid_usage *usage, return 1; } -static int quirk_cherry_genius_29e(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - switch (usage->hid & HID_USAGE) { - case 0x156: map_key_clear(KEY_WORDPROCESSOR); break; - case 0x157: map_key_clear(KEY_SPREADSHEET); break; - case 0x158: map_key_clear(KEY_PRESENTATION); break; - case 0x15c: map_key_clear(KEY_STOP); break; - - default: - return 0; - } - return 1; -} - #define VENDOR_ID_GYRATION 0x0c16 #define DEVICE_ID_GYRATION_REMOTE 0x0002 -#define VENDOR_ID_MONTEREY 0x0566 -#define DEVICE_ID_GENIUS_KB29E 0x3004 - static const struct hid_input_blacklist { __u16 idVendor; __u16 idProduct; @@ -74,8 +53,6 @@ static const struct hid_input_blacklist { } hid_input_blacklist[] = { { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, - { VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e }, - { 0, 0, NULL } }; diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c new file mode 100644 index 000000000000..f3a85a065f18 --- /dev/null +++ b/drivers/hid/hid-monterey.c @@ -0,0 +1,82 @@ +/* + * HID driver for some monterey "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +static void mr_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) { + dev_info(&hdev->dev, "fixing up button/consumer in HID report " + "descriptor\n"); + rdesc[30] = 0x0c; + } +} + +#define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break; + case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break; + case 0x158: mr_map_key_clear(KEY_PRESENTATION); break; + case 0x15c: mr_map_key_clear(KEY_STOP); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id mr_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, + { } +}; +MODULE_DEVICE_TABLE(hid, mr_devices); + +static struct hid_driver mr_driver = { + .name = "monterey", + .id_table = mr_devices, + .report_fixup = mr_report_fixup, + .input_mapping = mr_input_mapping, +}; + +static int mr_init(void) +{ + return hid_register_driver(&mr_driver); +} + +static void mr_exit(void) +{ + hid_unregister_driver(&mr_driver); +} + +module_init(mr_init); +module_exit(mr_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(monterey); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 3f977abb62b1..cc1927b1b88a 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -75,8 +75,6 @@ static const struct hid_rdesc_blacklist { __u16 idProduct; __u32 quirks; } hid_rdesc_blacklist[] = { - { USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER }, - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, { 0, 0 } @@ -337,20 +335,8 @@ static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc, } } -static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 30 && rdesc[29] == 0x05 - && rdesc[30] == 0x09) { - printk(KERN_INFO "Fixing up button/consumer in HID report descriptor\n"); - rdesc[30] = 0x0c; - } -} - static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { - if (quirks & HID_QUIRK_RDESC_BUTTON_CONSUMER) - usbhid_fixup_button_consumer_descriptor(rdesc, rsize); - if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); } diff --git a/include/linux/hid.h b/include/linux/hid.h index 7f4c94ffa617..3a639bff4ab2 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -272,7 +272,6 @@ struct hid_item { * Separate quirks for runtime report descriptor fixup */ -#define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020 #define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 /* -- GitLab From 949f8fef77186c7361d22e1ea6f42c76ceda42b0 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 24 Jul 2008 23:35:13 +0200 Subject: [PATCH 4779/6244] HID: move gyration quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-gyration.c | 96 ++++++++++++++++++++++++++++++++++ drivers/hid/hid-ids.h | 4 ++ drivers/hid/hid-input-quirks.c | 46 ---------------- 7 files changed, 112 insertions(+), 46 deletions(-) create mode 100644 drivers/hid/hid-gyration.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index d71507a5cccb..4dcb92ac887a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -138,6 +138,13 @@ config HID_EZKEY ---help--- Support for Ezkey mouse and barcodes. +config HID_GYRATION + tristate "Gyration" + default m + depends on USB_HID + ---help--- + Support for Gyration remote. + config HID_LOGITECH tristate "Logitech" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 48b5fb25d16a..50a06f71b48a 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o +obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index fa2723100450..53f30560b930 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1171,6 +1171,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 1dbb454c8112..1c9e7c2814a5 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -25,6 +25,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_EZKEY_MODULE HID_COMPAT_CALL_DRIVER(ezkey); #endif +#ifdef CONFIG_HID_EZKEY_MODULE + HID_COMPAT_CALL_DRIVER(gyration); +#endif #ifdef CONFIG_HID_LOGITECH_MODULE HID_COMPAT_CALL_DRIVER(logitech); #endif diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c new file mode 100644 index 000000000000..ac5120f542cc --- /dev/null +++ b/drivers/hid/hid-gyration.c @@ -0,0 +1,96 @@ +/* + * HID driver for some gyration "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + /* Reported on Gyration MCE Remote */ + case 0x00d: gy_map_key_clear(KEY_HOME); break; + case 0x024: gy_map_key_clear(KEY_DVD); break; + case 0x025: gy_map_key_clear(KEY_PVR); break; + case 0x046: gy_map_key_clear(KEY_MEDIA); break; + case 0x047: gy_map_key_clear(KEY_MP3); break; + case 0x049: gy_map_key_clear(KEY_CAMERA); break; + case 0x04a: gy_map_key_clear(KEY_VIDEO); break; + + default: + return 0; + } + return 1; +} + +static int gyration_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct input_dev *input = field->hidinput->input; + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && + (usage->hid & 0xff) == 0x82) { + input_event(input, usage->type, usage->code, 1); + input_sync(input); + input_event(input, usage->type, usage->code, 0); + input_sync(input); + return 1; + } + + return 0; +} + +static const struct hid_device_id gyration_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, gyration_devices); + +static struct hid_driver gyration_driver = { + .name = "gyration", + .id_table = gyration_devices, + .input_mapping = gyration_input_mapping, + .event = gyration_event, +}; + +static int gyration_init(void) +{ + return hid_register_driver(&gyration_driver); +} + +static void gyration_exit(void) +{ + hid_unregister_driver(&gyration_driver); +} + +module_init(gyration_init); +module_exit(gyration_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(gyration); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index ebe665206a72..678f7c3f341d 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -223,6 +223,10 @@ #define USB_DEVICE_ID_GTCO_1005 0x1005 #define USB_DEVICE_ID_GTCO_1006 0x1006 #define USB_DEVICE_ID_GTCO_1007 0x1007 + +#define USB_VENDOR_ID_GYRATION 0x0c16 +#define USB_DEVICE_ID_GYRATION_REMOTE 0x0002 + #define USB_VENDOR_ID_HAPP 0x078b #define USB_DEVICE_ID_UGCI_DRIVING 0x0010 #define USB_DEVICE_ID_UGCI_FLYING 0x0020 diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c index 1a4ba0313030..980e7456e260 100644 --- a/drivers/hid/hid-input-quirks.c +++ b/drivers/hid/hid-input-quirks.c @@ -16,43 +16,12 @@ #include #include -#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, bit, \ - max, EV_KEY, (c)) - -static int quirk_gyration_remote(struct hid_usage *usage, - struct hid_input *hidinput, unsigned long **bit, int *max) -{ - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) - return 0; - - set_bit(EV_REP, hidinput->input->evbit); - switch(usage->hid & HID_USAGE) { - /* Reported on Gyration MCE Remote */ - case 0x00d: map_key_clear(KEY_HOME); break; - case 0x024: map_key_clear(KEY_DVD); break; - case 0x025: map_key_clear(KEY_PVR); break; - case 0x046: map_key_clear(KEY_MEDIA); break; - case 0x047: map_key_clear(KEY_MP3); break; - case 0x049: map_key_clear(KEY_CAMERA); break; - case 0x04a: map_key_clear(KEY_VIDEO); break; - - default: - return 0; - } - return 1; -} - -#define VENDOR_ID_GYRATION 0x0c16 -#define DEVICE_ID_GYRATION_REMOTE 0x0002 - static const struct hid_input_blacklist { __u16 idVendor; __u16 idProduct; int (*quirk)(struct hid_usage *, struct hid_input *, unsigned long **, int *); } hid_input_blacklist[] = { - { VENDOR_ID_GYRATION, DEVICE_ID_GYRATION_REMOTE, quirk_gyration_remote }, - { 0, 0, NULL } }; @@ -74,21 +43,6 @@ int hidinput_mapping_quirks(struct hid_usage *usage, int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) { - struct input_dev *input; - - input = field->hidinput->input; - - /* Gyration MCE remote "Sleep" key */ - if (hid->vendor == VENDOR_ID_GYRATION && - hid->product == DEVICE_ID_GYRATION_REMOTE && - (usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && - (usage->hid & 0xff) == 0x82) { - input_event(input, usage->type, usage->code, 1); - input_sync(input); - input_event(input, usage->type, usage->code, 0); - input_sync(input); - return 1; - } return 0; } -- GitLab From 980a3da6acdd577ee3ae192e868dc52fe4b7f2e5 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 25 Jun 2008 22:31:48 +0200 Subject: [PATCH 4780/6244] HID: move samsung quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 +++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-samsung.c | 101 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-quirks.c | 33 ----------- include/linux/hid.h | 6 -- 7 files changed, 113 insertions(+), 39 deletions(-) create mode 100644 drivers/hid/hid-samsung.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 4dcb92ac887a..52b617bf2b93 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -175,6 +175,13 @@ config HID_PETALYNX ---help--- Support for Petalynx Maxter remote. +config HID_SAMSUNG + tristate "Samsung" + default m + depends on USB_HID + ---help--- + Support for Samsung IR remote. + config HID_SUNPLUS tristate "Sunplus" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 50a06f71b48a..735c371ca02e 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o +obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 53f30560b930..1b43af072ce0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1194,6 +1194,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 1c9e7c2814a5..cd21dcc41816 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -40,6 +40,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_PETALYNX_MODULE HID_COMPAT_CALL_DRIVER(petalynx); #endif +#ifdef CONFIG_HID_SAMSUNG_MODULE + HID_COMPAT_CALL_DRIVER(samsung); +#endif #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c new file mode 100644 index 000000000000..8771bfae02f5 --- /dev/null +++ b/drivers/hid/hid-samsung.c @@ -0,0 +1,101 @@ +/* + * HID driver for some samsung "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +/* + * Samsung IrDA remote controller (reports as Cypress USB Mouse). + * + * Vendor specific report #4 has a size of 48 bit, + * and therefore is not accepted when inspecting the descriptors. + * As a workaround we reinterpret the report as: + * Variable type, count 6, size 8 bit, log. maximum 255 + * The burden to reconstruct the data is moved into user space. + */ +static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 182 && rdesc[175] == 0x25 && rdesc[176] == 0x40 && + rdesc[177] == 0x75 && rdesc[178] == 0x30 && + rdesc[179] == 0x95 && rdesc[180] == 0x01 && + rdesc[182] == 0x40) { + dev_info(&hdev->dev, "fixing up Samsung IrDA report " + "descriptor\n"); + rdesc[176] = 0xff; + rdesc[178] = 0x08; + rdesc[180] = 0x06; + rdesc[182] = 0x42; + } +} + +static int samsung_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id samsung_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, samsung_devices); + +static struct hid_driver samsung_driver = { + .name = "samsung", + .id_table = samsung_devices, + .report_fixup = samsung_report_fixup, + .probe = samsung_probe, +}; + +static int samsung_init(void) +{ + return hid_register_driver(&samsung_driver); +} + +static void samsung_exit(void) +{ + hid_unregister_driver(&samsung_driver); +} + +module_init(samsung_init); +module_exit(samsung_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(samsung); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index cc1927b1b88a..d57a37997f9a 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -43,8 +43,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT }, - { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, @@ -75,8 +73,6 @@ static const struct hid_rdesc_blacklist { __u16 idProduct; __u32 quirks; } hid_rdesc_blacklist[] = { - { USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE }, - { 0, 0 } }; @@ -308,37 +304,8 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); -/* - * Samsung IrDA remote controller (reports as Cypress USB Mouse). - * - * Vendor specific report #4 has a size of 48 bit, - * and therefore is not accepted when inspecting the descriptors. - * As a workaround we reinterpret the report as: - * Variable type, count 6, size 8 bit, log. maximum 255 - * The burden to reconstruct the data is moved into user space. - */ -static void usbhid_fixup_samsung_irda_descriptor(unsigned char *rdesc, - int rsize) -{ - if (rsize >= 182 && rdesc[175] == 0x25 - && rdesc[176] == 0x40 - && rdesc[177] == 0x75 - && rdesc[178] == 0x30 - && rdesc[179] == 0x95 - && rdesc[180] == 0x01 - && rdesc[182] == 0x40) { - printk(KERN_INFO "Fixing up Samsung IrDA report descriptor\n"); - rdesc[176] = 0xff; - rdesc[178] = 0x08; - rdesc[180] = 0x06; - rdesc[182] = 0x42; - } -} - static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) { - if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE) - usbhid_fixup_samsung_irda_descriptor(rdesc, rsize); } /** diff --git a/include/linux/hid.h b/include/linux/hid.h index 3a639bff4ab2..5b47feecc101 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -268,12 +268,6 @@ struct hid_item { #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 -/* - * Separate quirks for runtime report descriptor fixup - */ - -#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040 - /* * This is the global environment of the parser. This information is * persistent for main-items. The global environment can be saved and -- GitLab From 3715ade981d524f9bb3b851a1eb81d3604a873bc Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 31 Jul 2008 11:09:37 +0200 Subject: [PATCH 4781/6244] HID: remove hid-input-quirks Remove the file since these is no user now. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Makefile | 2 +- drivers/hid/hid-input-quirks.c | 49 ---------------------------------- drivers/hid/hid-input.c | 11 +------- include/linux/hid.h | 3 --- 4 files changed, 2 insertions(+), 63 deletions(-) delete mode 100644 drivers/hid/hid-input-quirks.c diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 735c371ca02e..0141ff88008e 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -1,7 +1,7 @@ # # Makefile for the HID driver # -hid-objs := hid-core.o hid-input.o hid-input-quirks.o +hid-objs := hid-core.o hid-input.o obj-$(CONFIG_HID) += hid.o diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c deleted file mode 100644 index 980e7456e260..000000000000 --- a/drivers/hid/hid-input-quirks.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * HID-input usage mapping quirks - * - * This is used to handle HID-input mappings for devices violating - * HUT 1.12 specification. - * - * Copyright (c) 2007-2008 Jiri Kosina - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License - */ - -#include -#include - -static const struct hid_input_blacklist { - __u16 idVendor; - __u16 idProduct; - int (*quirk)(struct hid_usage *, struct hid_input *, unsigned long **, - int *); -} hid_input_blacklist[] = { - { 0, 0, NULL } -}; - -int hidinput_mapping_quirks(struct hid_usage *usage, - struct hid_input *hi, unsigned long **bit, int *max) -{ - struct hid_device *device = input_get_drvdata(hi->input); - int i = 0; - - while (hid_input_blacklist[i].quirk) { - if (hid_input_blacklist[i].idVendor == device->vendor && - hid_input_blacklist[i].idProduct == device->product) - return hid_input_blacklist[i].quirk(usage, hi, bit, - max); - i++; - } - return 0; -} - -int hidinput_event_quirks(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) -{ - return 0; -} - - diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 1d2d0827820c..0a68935c20b8 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -154,7 +154,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel { struct input_dev *input = hidinput->input; struct hid_device *device = input_get_drvdata(input); - int max = 0, code, ret; + int max = 0, code; unsigned long *bit = NULL; field->hidinput = hidinput; @@ -173,11 +173,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel goto ignore; } - /* handle input mappings for quirky devices */ - ret = hidinput_mapping_quirks(usage, hidinput, &bit, &max); - if (ret) - goto mapped; - if (device->driver->input_mapping) { int ret = device->driver->input_mapping(device, hidinput, field, usage, &bit, &max); @@ -590,10 +585,6 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct if (!usage->type) return; - /* handle input events for quirky devices */ - if (hidinput_event_quirks(hid, field, usage, value)) - return; - if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/linux/hid.h b/include/linux/hid.h index 5b47feecc101..0de5fe8894d9 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -617,9 +617,6 @@ extern void hidinput_disconnect(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); int hid_input_report(struct hid_device *, int type, u8 *, int, int); int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); -int hidinput_mapping_quirks(struct hid_usage *, struct hid_input *, - unsigned long **, int *); -int hidinput_event_quirks(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); void hid_output_report(struct hid_report *report, __u8 *data); struct hid_device *hid_allocate_device(void); int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); -- GitLab From 2b88b803018dbc2e9c68cbcd1739186e0715911a Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 25 Jun 2008 23:03:55 +0200 Subject: [PATCH 4782/6244] HID: remove rdesc quirk support Remove support for both dynamic and static report descriptor quirks. There is no longer rdesc code which it would support, so it's useless. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 10 ------- drivers/hid/usbhid/hid-quirks.c | 51 --------------------------------- include/linux/hid.h | 1 - 3 files changed, 62 deletions(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 78553b457a2b..e900d597bc2d 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -61,12 +61,6 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " " quirks=vendorID:productID:quirks" " where vendorID, productID, and quirks are all in" " 0x-prefixed hex"); -static char *rdesc_quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL }; -module_param_array_named(rdesc_quirks, rdesc_quirks_param, charp, NULL, 0444); -MODULE_PARM_DESC(rdesc_quirks, "Add/modify report descriptor quirks by specifying " - " rdesc_quirks=vendorID:productID:rdesc_quirks" - " where vendorID, productID, and rdesc_quirks are all in" - " 0x-prefixed hex"); /* * Input submission and I/O error handler. */ @@ -826,10 +820,6 @@ static int usbhid_parse(struct hid_device *hid) goto err; } - usbhid_fixup_report_descriptor(le16_to_cpu(dev->descriptor.idVendor), - le16_to_cpu(dev->descriptor.idProduct), rdesc, - rsize, rdesc_quirks_param); - dbg_hid("report descriptor (size %u, read %d) = ", rsize, n); for (n = 0; n < rsize; n++) dbg_hid_line(" %02x", (unsigned char) rdesc[n]); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index d57a37997f9a..f66d2e43b5d5 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -67,15 +67,6 @@ static const struct hid_blacklist { { 0, 0 } }; -/* Quirks for devices which require report descriptor fixup go here */ -static const struct hid_rdesc_blacklist { - __u16 idVendor; - __u16 idProduct; - __u32 quirks; -} hid_rdesc_blacklist[] = { - { 0, 0 } -}; - /* Dynamic HID quirks list - specified at runtime */ struct quirks_list_struct { struct hid_blacklist hid_bl_item; @@ -303,45 +294,3 @@ u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) } EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); - -static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize) -{ -} - -/** - * usbhid_fixup_report_descriptor: check if report descriptor needs fixup - * - * Description: - * Walks the hid_rdesc_blacklist[] array and checks whether the device - * is known to have broken report descriptor that needs to be fixed up - * prior to entering the HID parser - * - * Returns: nothing - */ -void usbhid_fixup_report_descriptor(const u16 idVendor, const u16 idProduct, - char *rdesc, unsigned rsize, char **quirks_param) -{ - int n, m; - u16 paramVendor, paramProduct; - u32 quirks; - - /* static rdesc quirk entries */ - for (n = 0; hid_rdesc_blacklist[n].idVendor; n++) - if (hid_rdesc_blacklist[n].idVendor == idVendor && - hid_rdesc_blacklist[n].idProduct == idProduct) - __usbhid_fixup_report_descriptor(hid_rdesc_blacklist[n].quirks, - rdesc, rsize); - - /* runtime rdesc quirk entries handling */ - for (n = 0; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) { - m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x", - ¶mVendor, ¶mProduct, &quirks); - - if (m != 3) - printk(KERN_WARNING - "Could not parse HID quirk module param %s\n", - quirks_param[n]); - else if (paramVendor == idVendor && paramProduct == idProduct) - __usbhid_fixup_report_descriptor(quirks, rdesc, rsize); - } -} diff --git a/include/linux/hid.h b/include/linux/hid.h index 0de5fe8894d9..9eac330a1dfa 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -734,7 +734,6 @@ extern void hid_generic_exit(void); u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); int usbhid_quirks_init(char **quirks_param); void usbhid_quirks_exit(void); -void usbhid_fixup_report_descriptor(const u16, const u16, char *, unsigned, char **); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -- GitLab From bd28ce008bdc68ef5902f68d2d62cbb7fa78c415 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Wed, 25 Jun 2008 23:47:04 +0200 Subject: [PATCH 4783/6244] HID: move sony quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-sony.c | 111 ++++++++++++++++++++++++++++++++ drivers/hid/usbhid/hid-core.c | 30 --------- drivers/hid/usbhid/hid-quirks.c | 2 - include/linux/hid.h | 1 - 8 files changed, 123 insertions(+), 33 deletions(-) create mode 100644 drivers/hid/hid-sony.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 52b617bf2b93..7ced6476026a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -182,6 +182,13 @@ config HID_SAMSUNG ---help--- Support for Samsung IR remote. +config HID_SONY + tristate "Sony" + default m + depends on USB_HID + ---help--- + Support for Sony PS3 controller. + config HID_SUNPLUS tristate "Sunplus" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 0141ff88008e..4f39b9431ebe 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o +obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 1b43af072ce0..f527e332b596 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1195,6 +1195,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index cd21dcc41816..1ef3111f7fe7 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -43,6 +43,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_SAMSUNG_MODULE HID_COMPAT_CALL_DRIVER(samsung); #endif +#ifdef CONFIG_HID_SONY_MODULE + HID_COMPAT_CALL_DRIVER(sony); +#endif #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c new file mode 100644 index 000000000000..97668c68f0a6 --- /dev/null +++ b/drivers/hid/hid-sony.c @@ -0,0 +1,111 @@ +/* + * HID driver for some sony "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include +#include + +#include "hid-ids.h" + +/* + * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller + * to "operational". Without this, the ps3 controller will not report any + * events. + */ +static int sony_set_operational(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *dev = interface_to_usbdev(intf); + __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + int ret; + char *buf = kmalloc(18, GFP_KERNEL); + + if (!buf) + return -ENOMEM; + + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + HID_REQ_GET_REPORT, + USB_DIR_IN | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, + (3 << 8) | 0xf2, ifnum, buf, 17, + USB_CTRL_GET_TIMEOUT); + if (ret < 0) + dev_err(&hdev->dev, "can't set operational mode\n"); + + kfree(buf); + + return ret; +} + +static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_HIDDEV; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + ret = sony_set_operational(hdev); + if (ret) + goto err_stop; + + return 0; +err_stop: + hid_hw_stop(hdev); +err_free: + return ret; +} + +static const struct hid_device_id sony_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, + { } +}; +MODULE_DEVICE_TABLE(hid, sony_devices); + +static struct hid_driver sony_driver = { + .name = "sony", + .id_table = sony_devices, + .probe = sony_probe, +}; + +static int sony_init(void) +{ + return hid_register_driver(&sony_driver); +} + +static void sony_exit(void) +{ + hid_unregister_driver(&sony_driver); +} + +module_init(sony_init); +module_exit(sony_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sony); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index e900d597bc2d..b41d0110a75e 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -670,32 +670,6 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); } -/* - * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller - * to "operational". Without this, the ps3 controller will not report any - * events. - */ -static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum) -{ - int result; - char *buf = kmalloc(18, GFP_KERNEL); - - if (!buf) - return; - - result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - HID_REQ_GET_REPORT, - USB_DIR_IN | USB_TYPE_CLASS | - USB_RECIP_INTERFACE, - (3 << 8) | 0xf2, ifnum, buf, 17, - USB_CTRL_GET_TIMEOUT); - - if (result < 0) - err_hid("%s failed: %d\n", __func__, result); - - kfree(buf); -} - static int usbhid_start_finish(struct hid_device *hid) { struct usb_interface *intf = to_usb_interface(hid->dev.parent); @@ -723,10 +697,6 @@ static int usbhid_start_finish(struct hid_device *hid) if ((hid->claimed & HID_CLAIMED_INPUT)) hid_ff_init(hid); - if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER) - hid_fixup_sony_ps3_controller(interface_to_usbdev(intf), - intf->cur_altsetting->desc.bInterfaceNumber); - printk(KERN_INFO); if (hid->claimed & HID_CLAIMED_INPUT) diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index f66d2e43b5d5..a154a7dc1e63 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -46,8 +46,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER | HID_QUIRK_HIDDEV }, - { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, diff --git a/include/linux/hid.h b/include/linux/hid.h index 9eac330a1dfa..43aa51a7fa95 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -262,7 +262,6 @@ struct hid_item { #define HID_QUIRK_BADPAD 0x00000020 #define HID_QUIRK_MULTI_INPUT 0x00000040 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 -#define HID_QUIRK_SONY_PS3_CONTROLLER 0x00040000 #define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_HIDINPUT 0x00200000 #define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 -- GitLab From fea6f1833b5bbff7066bcde1fa1141c9717bbad2 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 26 Jun 2008 22:25:33 +0200 Subject: [PATCH 4784/6244] HID: move dell quirks Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 1 + drivers/hid/hid-dell.c | 74 +++++++++++++++++++++++++++++++++ drivers/hid/hid-dummy.c | 3 ++ drivers/hid/usbhid/hid-quirks.c | 2 - 6 files changed, 86 insertions(+), 2 deletions(-) create mode 100644 drivers/hid/hid-dell.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 7ced6476026a..1ab067ee7e6c 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -131,6 +131,13 @@ config HID_CYPRESS ---help--- Support for Cypress mouse and barcodes. +config HID_DELL + tristate "Dell" + default m + depends on USB_HID + ---help--- + Support for Dell W7658. + config HID_EZKEY tristate "Ezkey" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 4f39b9431ebe..4a756c6e3a95 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_HID_BELKIN) += hid-belkin.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o +obj-$(CONFIG_HID_DELL) += hid-dell.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index f527e332b596..ea5f8bc900e0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1170,6 +1170,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c new file mode 100644 index 000000000000..5d1d54cfa87e --- /dev/null +++ b/drivers/hid/hid-dell.c @@ -0,0 +1,74 @@ +/* + * HID driver for some dell "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_RESET_LEDS; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id dell_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, + { } +}; +MODULE_DEVICE_TABLE(hid, dell_devices); + +static struct hid_driver dell_driver = { + .name = "dell", + .id_table = dell_devices, + .probe = dell_probe, +}; + +static int dell_init(void) +{ + return hid_register_driver(&dell_driver); +} + +static void dell_exit(void) +{ + hid_unregister_driver(&dell_driver); +} + +module_init(dell_init); +module_exit(dell_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(dell); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 1ef3111f7fe7..684191dcb324 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -22,6 +22,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_CYPRESS_MODULE HID_COMPAT_CALL_DRIVER(cypress); #endif +#ifdef CONFIG_HID_DELL_MODULE + HID_COMPAT_CALL_DRIVER(dell); +#endif #ifdef CONFIG_HID_EZKEY_MODULE HID_COMPAT_CALL_DRIVER(ezkey); #endif diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index a154a7dc1e63..71bf64bc1466 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -60,8 +60,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, - { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS }, - { 0, 0 } }; -- GitLab From 93c10132a7ac160df3175b53f7ee857625412165 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 27 Jun 2008 00:04:24 +0200 Subject: [PATCH 4785/6244] HID: move connect quirks Move connecting from usbhid to the hid layer and fix also hidp in that manner. This removes all the ignore/force hidinput/hiddev connecting quirks. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-a4tech.c | 2 +- drivers/hid/hid-apple.c | 13 +++--- drivers/hid/hid-belkin.c | 6 +-- drivers/hid/hid-core.c | 76 ++++++++++++++++++++++++++++++++++- drivers/hid/hid-cypress.c | 2 +- drivers/hid/hid-dell.c | 2 +- drivers/hid/hid-input.c | 23 ++++++----- drivers/hid/hid-logitech.c | 2 +- drivers/hid/hid-microsoft.c | 5 +-- drivers/hid/hid-petalynx.c | 2 +- drivers/hid/hid-samsung.c | 5 +-- drivers/hid/hid-sony.c | 5 +-- drivers/hid/usbhid/hid-core.c | 76 ++++------------------------------- drivers/hid/usbhid/hiddev.c | 20 ++++----- include/linux/hid.h | 37 +++++++++++++---- include/linux/hiddev.h | 6 ++- net/bluetooth/hidp/core.c | 3 -- 17 files changed, 159 insertions(+), 126 deletions(-) diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index 26e16083a1f1..ebca00e6c103 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -107,7 +107,7 @@ static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 2a68661fcea8..f0b177844cf8 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -309,6 +309,7 @@ static int apple_probe(struct hid_device *hdev, { unsigned long quirks = id->driver_data; struct apple_sc *asc; + unsigned int connect_mask = HID_CONNECT_DEFAULT; int ret; /* return something else or move to hid layer? device will reside @@ -328,18 +329,18 @@ static int apple_probe(struct hid_device *hdev, hid_set_drvdata(hdev, asc); - if (quirks & APPLE_HIDDEV) - hdev->quirks |= HID_QUIRK_HIDDEV; - if (quirks & APPLE_IGNORE_HIDINPUT) - hdev->quirks |= HID_QUIRK_IGNORE_HIDINPUT; - ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err_free; } - ret = hid_hw_start(hdev); + if (quirks & APPLE_HIDDEV) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + if (quirks & APPLE_IGNORE_HIDINPUT) + connect_mask &= ~HID_CONNECT_HIDINPUT; + + ret = hid_hw_start(hdev, connect_mask); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c index 050b9892d7ef..12c8a9ba6ed6 100644 --- a/drivers/hid/hid-belkin.c +++ b/drivers/hid/hid-belkin.c @@ -54,16 +54,14 @@ static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) hid_set_drvdata(hdev, (void *)quirks); - if (quirks & BELKIN_HIDDEV) - hdev->quirks |= HID_QUIRK_HIDDEV; - ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | + ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index ea5f8bc900e0..699547ce257f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1113,6 +1113,80 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i } EXPORT_SYMBOL_GPL(hid_input_report); +int hid_connect(struct hid_device *hdev, unsigned int connect_mask) +{ + static const char *types[] = { "Device", "Pointer", "Mouse", "Device", + "Joystick", "Gamepad", "Keyboard", "Keypad", + "Multi-Axis Controller" + }; + const char *type, *bus; + char buf[64]; + unsigned int i; + int len; + + if (hdev->bus != BUS_USB) + connect_mask &= ~HID_CONNECT_HIDDEV; + + if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, + connect_mask & HID_CONNECT_HIDINPUT_FORCE)) + hdev->claimed |= HID_CLAIMED_INPUT; + if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && + !hdev->hiddev_connect(hdev, + connect_mask & HID_CONNECT_HIDDEV_FORCE)) + hdev->claimed |= HID_CLAIMED_HIDDEV; + if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) + hdev->claimed |= HID_CLAIMED_HIDRAW; + + if (!hdev->claimed) { + dev_err(&hdev->dev, "claimed by neither input, hiddev nor " + "hidraw\n"); + return -ENODEV; + } + + if ((hdev->claimed & HID_CLAIMED_INPUT) && + (connect_mask & HID_CONNECT_FF) && hdev->ff_init) + hdev->ff_init(hdev); + + len = 0; + if (hdev->claimed & HID_CLAIMED_INPUT) + len += sprintf(buf + len, "input"); + if (hdev->claimed & HID_CLAIMED_HIDDEV) + len += sprintf(buf + len, "%shiddev%d", len ? "," : "", + hdev->minor); + if (hdev->claimed & HID_CLAIMED_HIDRAW) + len += sprintf(buf + len, "%shidraw%d", len ? "," : "", + ((struct hidraw *)hdev->hidraw)->minor); + + type = "Device"; + for (i = 0; i < hdev->maxcollection; i++) { + struct hid_collection *col = &hdev->collection[i]; + if (col->type == HID_COLLECTION_APPLICATION && + (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && + (col->usage & 0xffff) < ARRAY_SIZE(types)) { + type = types[col->usage & 0xffff]; + break; + } + } + + switch (hdev->bus) { + case BUS_USB: + bus = "USB"; + break; + case BUS_BLUETOOTH: + bus = "BLUETOOTH"; + break; + default: + bus = ""; + } + + dev_info(&hdev->dev, "%s: %s HID v%x.%02x %s [%s] on %s\n", + buf, bus, hdev->version >> 8, hdev->version & 0xff, + type, hdev->name, hdev->phys); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_connect); + static bool hid_match_one_id(struct hid_device *hdev, const struct hid_device_id *id) { @@ -1238,7 +1312,7 @@ static int hid_device_probe(struct device *dev) } else { /* default probe */ ret = hid_parse(hdev); if (!ret) - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); } if (ret) hdev->driver = NULL; diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c index a1e13f15f0a7..5d69d27b935d 100644 --- a/drivers/hid/hid-cypress.c +++ b/drivers/hid/hid-cypress.c @@ -110,7 +110,7 @@ static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c index 5d1d54cfa87e..788faa6b6cac 100644 --- a/drivers/hid/hid-dell.c +++ b/drivers/hid/hid-dell.c @@ -34,7 +34,7 @@ static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 0a68935c20b8..7f183b7147e1 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -700,7 +700,7 @@ static void hidinput_close(struct input_dev *dev) * Read all reports and initialize the absolute field values. */ -int hidinput_connect(struct hid_device *hid) +int hidinput_connect(struct hid_device *hid, unsigned int force) { struct hid_report *report; struct hid_input *hidinput = NULL; @@ -708,19 +708,20 @@ int hidinput_connect(struct hid_device *hid) int i, j, k; int max_report_type = HID_OUTPUT_REPORT; - if (hid->quirks & HID_QUIRK_IGNORE_HIDINPUT) - return -1; - INIT_LIST_HEAD(&hid->inputs); - for (i = 0; i < hid->maxcollection; i++) - if (hid->collection[i].type == HID_COLLECTION_APPLICATION || - hid->collection[i].type == HID_COLLECTION_PHYSICAL) - if (IS_INPUT_APPLICATION(hid->collection[i].usage)) - break; + if (!force) { + for (i = 0; i < hid->maxcollection; i++) { + struct hid_collection *col = &hid->collection[i]; + if (col->type == HID_COLLECTION_APPLICATION || + col->type == HID_COLLECTION_PHYSICAL) + if (IS_INPUT_APPLICATION(col->usage)) + break; + } - if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDINPUT) == 0) - return -1; + if (i == hid->maxcollection) + return -1; + } if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) max_report_type = HID_INPUT_REPORT; diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c index b2aaebe1ac05..732258241c05 100644 --- a/drivers/hid/hid-logitech.c +++ b/drivers/hid/hid-logitech.c @@ -237,7 +237,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 1fa8b813d441..d718b1607d0f 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -154,8 +154,6 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) hid_set_drvdata(hdev, (void *)quirks); - if (quirks & MS_HIDINPUT) - hdev->quirks |= HID_QUIRK_HIDINPUT; if (quirks & MS_NOGET) hdev->quirks |= HID_QUIRK_NOGET; @@ -165,7 +163,8 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? + HID_CONNECT_HIDINPUT_FORCE : 0)); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c index 4109244f1d72..10945fe12d50 100644 --- a/drivers/hid/hid-petalynx.c +++ b/drivers/hid/hid-petalynx.c @@ -80,7 +80,7 @@ static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c index 8771bfae02f5..15f3c0492450 100644 --- a/drivers/hid/hid-samsung.c +++ b/drivers/hid/hid-samsung.c @@ -52,15 +52,14 @@ static int samsung_probe(struct hid_device *hdev, { int ret; - hdev->quirks |= HID_QUIRK_HIDDEV | HID_QUIRK_IGNORE_HIDINPUT; - ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, (HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDINPUT) | + HID_CONNECT_HIDDEV_FORCE); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 97668c68f0a6..3af8095a7de1 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -57,15 +57,14 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; - hdev->quirks |= HID_QUIRK_HIDDEV; - ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err_free; } - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | + HID_CONNECT_HIDDEV_FORCE); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index b41d0110a75e..0513b60728d3 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -44,8 +44,6 @@ #define DRIVER_DESC "USB HID core driver" #define DRIVER_LICENSE "GPL" -static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick", - "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"}; /* * Module parameters. */ @@ -670,70 +668,6 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); } -static int usbhid_start_finish(struct hid_device *hid) -{ - struct usb_interface *intf = to_usb_interface(hid->dev.parent); - char path[64], *type; - unsigned int i; - - usbhid_init_reports(hid); - hid_dump_device(hid); - if (hid->quirks & HID_QUIRK_RESET_LEDS) - usbhid_set_leds(hid); - - if (!hidinput_connect(hid)) - hid->claimed |= HID_CLAIMED_INPUT; - if (!hiddev_connect(hid)) - hid->claimed |= HID_CLAIMED_HIDDEV; - if (!hidraw_connect(hid)) - hid->claimed |= HID_CLAIMED_HIDRAW; - - if (!hid->claimed) { - printk(KERN_ERR "HID device claimed by neither input, hiddev " - "nor hidraw\n"); - return -ENODEV; - } - - if ((hid->claimed & HID_CLAIMED_INPUT)) - hid_ff_init(hid); - - printk(KERN_INFO); - - if (hid->claimed & HID_CLAIMED_INPUT) - printk("input"); - if ((hid->claimed & HID_CLAIMED_INPUT) && - ((hid->claimed & HID_CLAIMED_HIDDEV) || - hid->claimed & HID_CLAIMED_HIDRAW)) - printk(","); - if (hid->claimed & HID_CLAIMED_HIDDEV) - printk("hiddev%d", hid->minor); - if ((hid->claimed & HID_CLAIMED_INPUT) && - (hid->claimed & HID_CLAIMED_HIDDEV) && - (hid->claimed & HID_CLAIMED_HIDRAW)) - printk(","); - if (hid->claimed & HID_CLAIMED_HIDRAW) - printk("hidraw%d", ((struct hidraw *)hid->hidraw)->minor); - - type = "Device"; - for (i = 0; i < hid->maxcollection; i++) { - if (hid->collection[i].type == HID_COLLECTION_APPLICATION && - (hid->collection[i].usage & HID_USAGE_PAGE) == - HID_UP_GENDESK && - (hid->collection[i].usage & 0xffff) < - ARRAY_SIZE(hid_types)) { - type = hid_types[hid->collection[i].usage & 0xffff]; - break; - } - } - - usb_make_path(interface_to_usbdev(intf), path, 63); - - printk(": USB HID v%x.%02x %s [%s] on %s\n", - hid->version >> 8, hid->version & 0xff, type, hid->name, path); - - return 0; -} - static int usbhid_parse(struct hid_device *hid) { struct usb_interface *intf = to_usb_interface(hid->dev.parent); @@ -923,9 +857,11 @@ static int usbhid_start(struct hid_device *hid) usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); - ret = usbhid_start_finish(hid); - if (ret) - goto fail; + usbhid_init_reports(hid); + hid_dump_device(hid); + + if (hid->quirks & HID_QUIRK_RESET_LEDS) + usbhid_set_leds(hid); return 0; @@ -1000,7 +936,9 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) usb_set_intfdata(intf, hid); hid->ll_driver = &usb_hid_driver; hid->hid_output_raw_report = usbhid_output_raw_report; + hid->ff_init = hid_ff_init; #ifdef CONFIG_USB_HIDDEV + hid->hiddev_connect = hiddev_connect; hid->hiddev_hid_event = hiddev_hid_event; hid->hiddev_report_event = hiddev_report_event; #endif diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 842e9edb888e..babd65dd46ad 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -790,21 +790,23 @@ static struct usb_class_driver hiddev_class = { /* * This is where hid.c calls us to connect a hid device to the hiddev driver */ -int hiddev_connect(struct hid_device *hid) +int hiddev_connect(struct hid_device *hid, unsigned int force) { struct hiddev *hiddev; struct usbhid_device *usbhid = hid->driver_data; - int i; int retval; - for (i = 0; i < hid->maxcollection; i++) - if (hid->collection[i].type == - HID_COLLECTION_APPLICATION && - !IS_INPUT_APPLICATION(hid->collection[i].usage)) - break; + if (!force) { + unsigned int i; + for (i = 0; i < hid->maxcollection; i++) + if (hid->collection[i].type == + HID_COLLECTION_APPLICATION && + !IS_INPUT_APPLICATION(hid->collection[i].usage)) + break; - if (i == hid->maxcollection && (hid->quirks & HID_QUIRK_HIDDEV) == 0) - return -1; + if (i == hid->maxcollection) + return -1; + } if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL))) return -1; diff --git a/include/linux/hid.h b/include/linux/hid.h index 43aa51a7fa95..043209f7bfcf 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -246,6 +246,19 @@ struct hid_item { #define HID_OUTPUT_REPORT 1 #define HID_FEATURE_REPORT 2 +/* + * HID connect requests + */ + +#define HID_CONNECT_HIDINPUT 0x01 +#define HID_CONNECT_HIDINPUT_FORCE 0x02 +#define HID_CONNECT_HIDRAW 0x04 +#define HID_CONNECT_HIDDEV 0x08 +#define HID_CONNECT_HIDDEV_FORCE 0x10 +#define HID_CONNECT_FF 0x20 +#define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \ + HID_CONNECT_HIDDEV|HID_CONNECT_FF) + /* * HID device quirks. */ @@ -258,13 +271,10 @@ struct hid_item { #define HID_QUIRK_INVERT 0x00000001 #define HID_QUIRK_NOTOUCH 0x00000002 #define HID_QUIRK_NOGET 0x00000008 -#define HID_QUIRK_HIDDEV 0x00000010 #define HID_QUIRK_BADPAD 0x00000020 #define HID_QUIRK_MULTI_INPUT 0x00000040 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 #define HID_QUIRK_RESET_LEDS 0x00100000 -#define HID_QUIRK_HIDINPUT 0x00200000 -#define HID_QUIRK_IGNORE_HIDINPUT 0x01000000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* @@ -439,7 +449,11 @@ struct hid_device { /* device report descriptor */ void *driver_data; + /* temporary hid_ff handling (until moved to the drivers) */ + int (*ff_init)(struct hid_device *); + /* hiddev event handler */ + int (*hiddev_connect)(struct hid_device *, unsigned int); void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field, struct hid_usage *, __s32); void (*hiddev_report_event) (struct hid_device *, struct hid_report *); @@ -610,7 +624,7 @@ extern void hid_unregister_driver(struct hid_driver *); extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32); extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report); -extern int hidinput_connect(struct hid_device *); +extern int hidinput_connect(struct hid_device *hid, unsigned int force); extern void hidinput_disconnect(struct hid_device *); int hid_set_field(struct hid_field *, unsigned, __s32); @@ -619,6 +633,7 @@ int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int void hid_output_report(struct hid_report *report, __u8 *data); struct hid_device *hid_allocate_device(void); int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); +int hid_connect(struct hid_device *hid, unsigned int connect_mask); /** * hid_map_usage - map usage input bits @@ -700,14 +715,22 @@ static inline int __must_check hid_parse(struct hid_device *hdev) * hid_hw_start - start underlaying HW * * @hdev: hid device + * @connect_mask: which outputs to connect, see HID_CONNECT_* * * Call this in probe function *after* hid_parse. This will setup HW buffers * and start the device (if not deffered to device open). hid_hw_stop must be * called if this was successfull. */ -static inline int __must_check hid_hw_start(struct hid_device *hdev) +static inline int __must_check hid_hw_start(struct hid_device *hdev, + unsigned int connect_mask) { - return hdev->ll_driver->start(hdev); + int ret = hdev->ll_driver->start(hdev); + if (ret || !connect_mask) + return ret; + ret = hid_connect(hdev, connect_mask); + if (ret) + hdev->ll_driver->stop(hdev); + return ret; } /** @@ -749,7 +772,7 @@ static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; } #endif #else -static inline int hid_ff_init(struct hid_device *hid) { return -1; } +#define hid_ff_init NULL #endif #ifdef CONFIG_HID_DEBUG diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h index a416b904ba90..6ae77b3468f9 100644 --- a/include/linux/hiddev.h +++ b/include/linux/hiddev.h @@ -217,7 +217,7 @@ struct hid_field; struct hid_report; #ifdef CONFIG_USB_HIDDEV -int hiddev_connect(struct hid_device *); +int hiddev_connect(struct hid_device *hid, unsigned int force); void hiddev_disconnect(struct hid_device *); void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value); @@ -225,7 +225,9 @@ void hiddev_report_event(struct hid_device *hid, struct hid_report *report); int __init hiddev_init(void); void hiddev_exit(void); #else -static inline int hiddev_connect(struct hid_device *hid) { return -1; } +static inline int hiddev_connect(struct hid_device *hid, + unsigned int force) +{ return -1; } static inline void hiddev_disconnect(struct hid_device *hid) { } static inline void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) { } diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index f3d830747b96..acdeab3d9807 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -724,9 +724,6 @@ static int hidp_start(struct hid_device *hid) report_list, list) hidp_send_report(session, report); - if (hidinput_connect(hid) == 0) - hid->claimed |= HID_CLAIMED_INPUT; - return 0; } -- GitLab From 6edfa8dc33803a49ad936ead9840e453bee6ca3b Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 27 Jun 2008 20:41:02 +0200 Subject: [PATCH 4786/6244] HID: move reset leds quirk Move the handling of the leds resetting from the core to the dell and logitech drivers. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-dell.c | 4 ++-- drivers/hid/hid-logitech.c | 5 +++-- drivers/hid/usbhid/hid-core.c | 6 ++---- include/linux/hid.h | 2 +- 4 files changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c index 788faa6b6cac..98ee40e8751f 100644 --- a/drivers/hid/hid-dell.c +++ b/drivers/hid/hid-dell.c @@ -26,8 +26,6 @@ static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; - hdev->quirks |= HID_QUIRK_RESET_LEDS; - ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); @@ -40,6 +38,8 @@ static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } + usbhid_set_leds(hdev); + return 0; err_free: return ret; diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c index 732258241c05..df27f9aadf26 100644 --- a/drivers/hid/hid-logitech.c +++ b/drivers/hid/hid-logitech.c @@ -226,8 +226,6 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) hid_set_drvdata(hdev, (void *)quirks); - if (quirks & LG_RESET_LEDS) - hdev->quirks |= HID_QUIRK_RESET_LEDS; if (quirks & LG_NOGET) hdev->quirks |= HID_QUIRK_NOGET; @@ -243,6 +241,9 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } + if (quirks & LG_RESET_LEDS) + usbhid_set_leds(hdev); + return 0; err_free: return ret; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 0513b60728d3..402ace751271 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -591,7 +591,7 @@ static int hid_find_field_early(struct hid_device *hid, unsigned int page, return -1; } -static void usbhid_set_leds(struct hid_device *hid) +void usbhid_set_leds(struct hid_device *hid) { struct hid_field *field; int offset; @@ -601,6 +601,7 @@ static void usbhid_set_leds(struct hid_device *hid) usbhid_submit_report(hid, field->report, USB_DIR_OUT); } } +EXPORT_SYMBOL_GPL(usbhid_set_leds); /* * Traverse the supplied list of reports and find the longest @@ -860,9 +861,6 @@ static int usbhid_start(struct hid_device *hid) usbhid_init_reports(hid); hid_dump_device(hid); - if (hid->quirks & HID_QUIRK_RESET_LEDS) - usbhid_set_leds(hid); - return 0; fail: diff --git a/include/linux/hid.h b/include/linux/hid.h index 043209f7bfcf..b0f03fa2ed19 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -274,7 +274,6 @@ struct hid_item { #define HID_QUIRK_BADPAD 0x00000020 #define HID_QUIRK_MULTI_INPUT 0x00000040 #define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000 -#define HID_QUIRK_RESET_LEDS 0x00100000 #define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000 /* @@ -756,6 +755,7 @@ extern void hid_generic_exit(void); u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct); int usbhid_quirks_init(char **quirks_param); void usbhid_quirks_exit(void); +void usbhid_set_leds(struct hid_device *hid); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -- GitLab From 606bd0a8616a0e59021cb2997e942513f24f641d Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 4 Jul 2008 23:06:45 +0200 Subject: [PATCH 4787/6244] HID: move logitech FF processing Merge the logitech force feedback processing directly into logitech driver from the usbhid core. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 24 ++++++++++++++++++ drivers/hid/Makefile | 8 ++++++ drivers/hid/hid-core.c | 7 ++++++ drivers/hid/hid-ids.h | 7 ++++++ drivers/hid/{hid-logitech.c => hid-lg.c} | 31 ++++++++++++++++++++++-- drivers/hid/hid-lg.h | 18 ++++++++++++++ drivers/hid/{usbhid => }/hid-lg2ff.c | 6 +++-- drivers/hid/{usbhid => }/hid-lgff.c | 6 +++-- drivers/hid/usbhid/Kconfig | 24 ------------------ drivers/hid/usbhid/Makefile | 6 ----- drivers/hid/usbhid/hid-core.c | 1 + drivers/hid/usbhid/hid-ff.c | 12 --------- include/linux/hid.h | 2 -- 13 files changed, 102 insertions(+), 50 deletions(-) rename drivers/hid/{hid-logitech.c => hid-lg.c} (90%) create mode 100644 drivers/hid/hid-lg.h rename drivers/hid/{usbhid => }/hid-lg2ff.c (97%) rename drivers/hid/{usbhid => }/hid-lgff.c (97%) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 1ab067ee7e6c..4319af320adf 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -160,6 +160,30 @@ config HID_LOGITECH Support for some Logitech devices which breaks less or more HID specification. +config LOGITECH_FF + bool "Logitech force feedback" + depends on HID_LOGITECH + select INPUT_FF_MEMLESS + help + Say Y here if you have one of these devices: + - Logitech WingMan Cordless RumblePad + - Logitech WingMan Cordless RumblePad 2 + - Logitech WingMan Force 3D + - Logitech Formula Force EX + - Logitech MOMO Force wheel + + and if you want to enable force feedback for them. + Note: if you say N here, this device will still be supported, but without + force feedback. + +config LOGIRUMBLEPAD2_FF + bool "Logitech Rumblepad 2 force feedback" + depends on HID_LOGITECH + select INPUT_FF_MEMLESS + help + Say Y here if you want to enable force feedback support for Logitech + Rumblepad 2 devices. + config HID_MICROSOFT tristate "Microsoft" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 4a756c6e3a95..300ee00913bc 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -12,6 +12,14 @@ ifdef CONFIG_HID_COMPAT obj-m += hid-dummy.o endif +hid-logitech-objs := hid-lg.o +ifdef CONFIG_LOGITECH_FF + hid-logitech-objs += hid-lgff.o +endif +ifdef CONFIG_LOGIRUMBLEPAD2_FF + hid-logitech-objs += hid-lg2ff.o +endif + obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_BELKIN) += hid-belkin.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 699547ce257f..6a730df336b4 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1262,6 +1262,13 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_V150) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 678f7c3f341d..e2fd52ca68b7 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -263,8 +263,14 @@ #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 #define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD 0xc211 #define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2 0xc218 +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2 0xc219 +#define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D 0xc283 +#define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 +#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a #define USB_DEVICE_ID_LOGITECH_KBD 0xc311 #define USB_DEVICE_ID_S510_RECEIVER 0xc50c @@ -274,6 +280,7 @@ #define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 #define USB_DEVICE_ID_DINOVO_EDGE 0xc714 #define USB_DEVICE_ID_DINOVO_MINI 0xc71f +#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2 0xca03 #define USB_VENDOR_ID_MCC 0x09db #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-lg.c similarity index 90% rename from drivers/hid/hid-logitech.c rename to drivers/hid/hid-lg.c index df27f9aadf26..406d8c82abf1 100644 --- a/drivers/hid/hid-logitech.c +++ b/drivers/hid/hid-lg.c @@ -21,6 +21,7 @@ #include #include "hid-ids.h" +#include "hid-lg.h" #define LG_RDESC 0x001 #define LG_BAD_RELATIVE_KEYS 0x002 @@ -31,6 +32,8 @@ #define LG_WIRELESS 0x040 #define LG_INVERT_HWHEEL 0x080 #define LG_NOGET 0x100 +#define LG_FF 0x200 +#define LG_FF2 0x400 /* * Certain Logitech keyboards send in report #3 keys which are far @@ -222,6 +225,7 @@ static int lg_event(struct hid_device *hdev, struct hid_field *field, static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) { unsigned long quirks = id->driver_data; + unsigned int connect_mask = HID_CONNECT_DEFAULT; int ret; hid_set_drvdata(hdev, (void *)quirks); @@ -235,7 +239,10 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (quirks & (LG_FF | LG_FF2)) + connect_mask &= ~HID_CONNECT_FF; + + ret = hid_hw_start(hdev, connect_mask); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err_free; @@ -244,6 +251,11 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) if (quirks & LG_RESET_LEDS) usbhid_set_leds(hdev); + if (quirks & LG_FF) + lgff_init(hdev); + if (quirks & LG_FF2) + lg2ff_init(hdev); + return 0; err_free: return ret; @@ -283,7 +295,22 @@ static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D), .driver_data = LG_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL), - .driver_data = LG_NOGET }, + .driver_data = LG_NOGET | LG_FF }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), + .driver_data = LG_FF2 }, { } }; MODULE_DEVICE_TABLE(hid, lg_devices); diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h new file mode 100644 index 000000000000..27ae750ca878 --- /dev/null +++ b/drivers/hid/hid-lg.h @@ -0,0 +1,18 @@ +#ifndef __HID_LG_H +#define __HID_LG_H + +#include + +#ifdef CONFIG_LOGITECH_FF +int lgff_init(struct hid_device *hdev); +#else +static inline int lgff_init(struct hid_device *hdev) { return -1; } +#endif + +#ifdef CONFIG_LOGIRUMBLEPAD2_FF +int lg2ff_init(struct hid_device *hdev); +#else +static inline int lg2ff_init(struct hid_device *hdev) { return -1; } +#endif + +#endif diff --git a/drivers/hid/usbhid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c similarity index 97% rename from drivers/hid/usbhid/hid-lg2ff.c rename to drivers/hid/hid-lg2ff.c index d469bd0061c9..b2e9a67aa652 100644 --- a/drivers/hid/usbhid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -24,7 +24,9 @@ #include #include #include -#include "usbhid.h" + +#include "usbhid/usbhid.h" +#include "hid-lg.h" struct lg2ff_device { struct hid_report *report; @@ -57,7 +59,7 @@ static int play_effect(struct input_dev *dev, void *data, return 0; } -int hid_lg2ff_init(struct hid_device *hid) +int lg2ff_init(struct hid_device *hid) { struct lg2ff_device *lg2ff; struct hid_report *report; diff --git a/drivers/hid/usbhid/hid-lgff.c b/drivers/hid/hid-lgff.c similarity index 97% rename from drivers/hid/usbhid/hid-lgff.c rename to drivers/hid/hid-lgff.c index 4b7ab6a46d93..e379c167ac9e 100644 --- a/drivers/hid/usbhid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -30,7 +30,9 @@ #include #include #include -#include "usbhid.h" + +#include "usbhid/usbhid.h" +#include "hid-lg.h" struct dev_type { u16 idVendor; @@ -100,7 +102,7 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef return 0; } -int hid_lgff_init(struct hid_device* hid) +int lgff_init(struct hid_device* hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 177bfa1a3e5b..0e7e2e6d975e 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -44,30 +44,6 @@ config HID_PID feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such devices. -config LOGITECH_FF - bool "Logitech devices support" - depends on HID_FF - select INPUT_FF_MEMLESS if USB_HID - help - Say Y here if you have one of these devices: - - Logitech WingMan Cordless RumblePad - - Logitech WingMan Cordless RumblePad 2 - - Logitech WingMan Force 3D - - Logitech Formula Force EX - - Logitech MOMO Force wheel - - and if you want to enable force feedback for them. - Note: if you say N here, this device will still be supported, but without - force feedback. - -config LOGIRUMBLEPAD2_FF - bool "Logitech Rumblepad 2 support" - depends on HID_FF - select INPUT_FF_MEMLESS if USB_HID - help - Say Y here if you want to enable force feedback support for Logitech - Rumblepad 2 devices. - config PANTHERLORD_FF bool "PantherLord/GreenAsia based device support" depends on HID_FF diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 00a7b7090192..224c62dc6a32 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -13,12 +13,6 @@ endif ifeq ($(CONFIG_HID_PID),y) usbhid-objs += hid-pidff.o endif -ifeq ($(CONFIG_LOGITECH_FF),y) - usbhid-objs += hid-lgff.o -endif -ifeq ($(CONFIG_LOGIRUMBLEPAD2_FF),y) - usbhid-objs += hid-lg2ff.o -endif ifeq ($(CONFIG_PANTHERLORD_FF),y) usbhid-objs += hid-plff.o endif diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 402ace751271..4ec10aa618db 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -444,6 +444,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns spin_unlock_irqrestore(&usbhid->ctrllock, flags); } +EXPORT_SYMBOL_GPL(usbhid_submit_report); static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c index 1d0dac52f166..8891f60d3beb 100644 --- a/drivers/hid/usbhid/hid-ff.c +++ b/drivers/hid/usbhid/hid-ff.c @@ -50,18 +50,6 @@ struct hid_ff_initializer { * be a PID device */ static struct hid_ff_initializer inits[] = { -#ifdef CONFIG_LOGITECH_FF - { 0x46d, 0xc211, hid_lgff_init }, /* Logitech Cordless rumble pad */ - { 0x46d, 0xc219, hid_lgff_init }, /* Logitech Cordless rumble pad 2 */ - { 0x46d, 0xc283, hid_lgff_init }, /* Logitech Wingman Force 3d */ - { 0x46d, 0xc286, hid_lgff_init }, /* Logitech Force 3D Pro Joystick */ - { 0x46d, 0xc294, hid_lgff_init }, /* Logitech Formula Force EX */ - { 0x46d, 0xc295, hid_lgff_init }, /* Logitech MOMO force wheel */ - { 0x46d, 0xca03, hid_lgff_init }, /* Logitech MOMO force wheel */ -#endif -#ifdef CONFIG_LOGIRUMBLEPAD2_FF - { 0x46d, 0xc218, hid_lg2ff_init }, /* Logitech Rumblepad 2 */ -#endif #ifdef CONFIG_PANTHERLORD_FF { 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */ { 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc. USB Joystick " */ diff --git a/include/linux/hid.h b/include/linux/hid.h index b0f03fa2ed19..15ee33e0463e 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -760,8 +760,6 @@ void usbhid_set_leds(struct hid_device *hid); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -int hid_lgff_init(struct hid_device *hid); -int hid_lg2ff_init(struct hid_device *hid); int hid_plff_init(struct hid_device *hid); int hid_tmff_init(struct hid_device *hid); int hid_zpff_init(struct hid_device *hid); -- GitLab From 0f37cd0306463ad35f958d8f74a2b00e5b190b4b Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Wed, 20 Aug 2008 19:13:52 +0200 Subject: [PATCH 4788/6244] HID: introduce list for hiddev creation forcing Introduce a list of devices for which there is need to force a creation of the hiddev interface, but still they are operated by generic driver (i.e. certain UPS). Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 47 ++++++++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 18 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 6a730df336b4..ec299f56c58b 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1113,6 +1113,33 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i } EXPORT_SYMBOL_GPL(hid_input_report); +static bool hid_match_one_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + return id->bus == hdev->bus && + (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && + (id->product == HID_ANY_ID || id->product == hdev->product); +} + +static const struct hid_device_id *hid_match_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + for (; id->bus; id++) + if (hid_match_one_id(hdev, id)) + return id; + + return NULL; +} + +static const struct hid_device_id hid_hiddev_list[] = { + { } +}; + +static bool hid_hiddev(struct hid_device *hdev) +{ + return !!hid_match_id(hdev, hid_hiddev_list); +} + int hid_connect(struct hid_device *hdev, unsigned int connect_mask) { static const char *types[] = { "Device", "Pointer", "Mouse", "Device", @@ -1126,6 +1153,8 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) if (hdev->bus != BUS_USB) connect_mask &= ~HID_CONNECT_HIDDEV; + if (hid_hiddev(hdev)) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, connect_mask & HID_CONNECT_HIDINPUT_FORCE)) @@ -1187,24 +1216,6 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) } EXPORT_SYMBOL_GPL(hid_connect); -static bool hid_match_one_id(struct hid_device *hdev, - const struct hid_device_id *id) -{ - return id->bus == hdev->bus && - (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && - (id->product == HID_ANY_ID || id->product == hdev->product); -} - -static const struct hid_device_id *hid_match_id(struct hid_device *hdev, - const struct hid_device_id *id) -{ - for (; id->bus; id++) - if (hid_match_one_id(hdev, id)) - return id; - - return NULL; -} - static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, -- GitLab From c0bd6a429819f794f626f9e73be4564e18e132db Mon Sep 17 00:00:00 2001 From: Richard Hughes Date: Wed, 27 Aug 2008 11:19:37 +0200 Subject: [PATCH 4789/6244] HID: remove ignore quirk for MGE UPS devices This patch reverts the change made four years ago here: http://www.vg.kernel.org/pub/linux/kernel/people/gregkh/usb/2.4/usb-hid-2.4.25-pre7.patch UPS's made by MGE can be used with usbhid just fine, and by removing the ignore quirk allows them to be used with HAL so they just work when plugged in, without needing to be manually configured. With the ignore quirk in place a user would have to configure NUT before the UPS could be used, as NUT uses it's own internal USB matching framework to match against the USB devices, do low level control messages on the device and then parse the HID tables all in userspace. This is not needed, as allowing the device to be claimed as a usbhid device allows it to be used like any other USB UPS device. The devices correctly advertise the power device page which can be queried for the device state. I assume the quirk was changed so that people using < libusb 0.1.8 could still use NUT's internal HID code to manage the UPS. libusb 0.1.8 was released quite some time ago: 2004-02-11. This patch does not break NUT as in drivers/libusb.c the device is force unbound from the kernel driver using usb_detach_kernel_driver_np () where it can be controlled like normal. [jkosina@suse.cz: adapt to the new hidbus code] Signed-off-by: Richard Hughes Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index ec299f56c58b..798bb0a866f0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1132,6 +1132,8 @@ static const struct hid_device_id *hid_match_id(struct hid_device *hdev, } static const struct hid_device_id hid_hiddev_list[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, { } }; @@ -1492,8 +1494,6 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, -- GitLab From 66ebf66e497094f2c3fb3107d309c6a753beb0ff Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Wed, 27 Aug 2008 11:21:42 +0200 Subject: [PATCH 4790/6244] HID: add support for Super Dual Box Pro USB PS2/PS2 adapter This seems to be the very same device, as already supported Smartjoy dual Plus, but with slightly different vendor ID. Let's support this one too. Reported-by: David Ashley Signed-off-by: Jiri Kosina --- drivers/hid/hid-ids.h | 3 ++- drivers/hid/usbhid/hid-quirks.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e2fd52ca68b7..0784a09f5adb 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -373,7 +373,8 @@ #define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800 #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866 -#define USB_VENDOR_ID_WISEGROUP_LTD 0x6677 +#define USB_VENDOR_ID_WISEGROUP_LTD 0x6666 +#define USB_VENDOR_ID_WISEGROUP_LTD2 0x6677 #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802 #define USB_VENDOR_ID_YEALINK 0x6993 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 71bf64bc1466..d40f00904c5e 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -59,6 +59,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { 0, 0 } }; -- GitLab From 6f3c0e509640070e3c013cd9787a7d1892276b3f Mon Sep 17 00:00:00 2001 From: Alex Chiang Date: Wed, 27 Aug 2008 13:36:18 +0200 Subject: [PATCH 4791/6244] HID: fix grammo in HID_COMPAT Kconfig help text The Kconfig option for HID_COMPAT should read "lose", not "loose". Signed-off-by: Alex Chiang Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 4319af320adf..46337a28d1d6 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -78,7 +78,7 @@ config HID_COMPAT support of module loading through aliases and also old module-init-tools which can't handle hid bus, choose Y here. Otherwise say N. If you say N and your userspace is old enough, the only - functionality you loose is modules autoloading. + functionality you lose is modules autoloading. If unsure, say Y. -- GitLab From 2bea94db87362ad90d0959201f5c401767042be1 Mon Sep 17 00:00:00 2001 From: Sergey Belyashov Date: Tue, 2 Sep 2008 17:31:16 +0200 Subject: [PATCH 4792/6244] HID: Autocentering support for Logitech MOMO Racing Wheel Current kernel has no support for autocentering for Logitech wheels. By default autocentering enabled in wheel and constant effect does not work properly. Using USB sniffer I found command which change autocentering settings: 0xFE, 0x0D, 0x0R, 0x0L, 0x80, 0x00, 0x00, where R - clockwise force, L - counter-clockwise (0x0-0xF, 0xC = 100%). Signed-off-by: Sergey Belyashov Signed-off-by: Jiri Kosina --- drivers/hid/hid-lgff.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index e379c167ac9e..51aff08e10ce 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -50,6 +50,12 @@ static const signed short ff_joystick[] = { -1 }; +static const signed short ff_wheel[] = { + FF_CONSTANT, + FF_AUTOCENTER, + -1 +}; + static const struct dev_type devices[] = { { 0x046d, 0xc211, ff_rumble }, { 0x046d, 0xc219, ff_rumble }, @@ -57,7 +63,7 @@ static const struct dev_type devices[] = { { 0x046d, 0xc286, ff_joystick }, { 0x046d, 0xc294, ff_joystick }, { 0x046d, 0xc295, ff_joystick }, - { 0x046d, 0xca03, ff_joystick }, + { 0x046d, 0xca03, ff_wheel }, }; static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) @@ -102,6 +108,23 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef return 0; } +static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + magnitude = (magnitude >> 12) & 0xf; + *value++ = 0xfe; + *value++ = 0x0d; + *value++ = magnitude; /* clockwise strength */ + *value++ = magnitude; /* counter-clockwise strength */ + *value++ = 0x80; + *value++ = 0x00; + *value = 0x00; + usbhid_submit_report(hid, report, USB_DIR_OUT); +} + int lgff_init(struct hid_device* hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); @@ -147,6 +170,9 @@ int lgff_init(struct hid_device* hid) if (error) return error; + if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) + dev->ff->set_autocenter = hid_lgff_set_autocenter; + printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux \n"); return 0; -- GitLab From e36153f5a4b256c3a724b00b535f9dc44edf2372 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Thu, 4 Sep 2008 10:55:00 +0200 Subject: [PATCH 4793/6244] HID: fix gyration build error Fix config symbol name in ifdef to fix build error: ERROR: "hid_compat_gyration" [drivers/hid/hid-dummy.ko] undefined! Signed-off-by: Randy Dunlap Acked-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-dummy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 684191dcb324..69dcf9b1a444 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -28,7 +28,7 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_EZKEY_MODULE HID_COMPAT_CALL_DRIVER(ezkey); #endif -#ifdef CONFIG_HID_EZKEY_MODULE +#ifdef CONFIG_HID_GYRATION_MODULE HID_COMPAT_CALL_DRIVER(gyration); #endif #ifdef CONFIG_HID_LOGITECH_MODULE -- GitLab From 1f934451825f8cfefd97e4eab4d1ab2f6591ec0f Mon Sep 17 00:00:00 2001 From: Tomoya Adachi Date: Thu, 4 Sep 2008 11:29:27 +0200 Subject: [PATCH 4794/6244] HID: report descriptor fix for remaining MacBook JIS keyboards This patch fixes a problem that MacBook JIS keyboard sends wrong report descriptors. Although it has already been fixed in the first Core 2 Duo model, it still remains in other models of MacBook. Signed-off-by: Tomoya Adachi Signed-off-by: Jiri Kosina --- drivers/hid/hid-apple.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index f0b177844cf8..a808e57f23a3 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -387,7 +387,7 @@ static const struct hid_device_id apple_devices[] = { APPLE_IGNORE_MOUSE | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | - APPLE_IGNORE_MOUSE }, + APPLE_IGNORE_MOUSE | APPLE_RDESC_JIS }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, @@ -411,7 +411,7 @@ static const struct hid_device_id apple_devices[] = { APPLE_IGNORE_MOUSE }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | - APPLE_IGNORE_MOUSE }, + APPLE_IGNORE_MOUSE | APPLE_RDESC_JIS }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), @@ -425,14 +425,14 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD | APPLE_IGNORE_MOUSE }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), - .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE | APPLE_RDESC_JIS }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD | APPLE_IGNORE_MOUSE }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), - .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, + .driver_data = APPLE_HAS_FN | APPLE_IGNORE_MOUSE | APPLE_RDESC_JIS }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | APPLE_IGNORE_MOUSE }, -- GitLab From d1d3a5f6eaee337d793ab9ac28e696f0262c3c8a Mon Sep 17 00:00:00 2001 From: Remi Cattiau Date: Tue, 9 Sep 2008 01:39:33 +0200 Subject: [PATCH 4795/6244] HID: ignore iBuddy devices iBuddy devices claim to be HID devices, but they are not. Add them to the blacklist. Signed-off-by: Remi Cattiau Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 2 ++ drivers/hid/hid-ids.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 798bb0a866f0..18b277a833f0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1512,6 +1512,8 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 0784a09f5adb..fa4e4fd96f65 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -351,6 +351,10 @@ #define USB_VENDOR_ID_SUNPLUS 0x04fc #define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 +#define USB_VENDOR_ID_TENX 0x1130 +#define USB_DEVICE_ID_TENX_IBUDDY1 0x0001 +#define USB_DEVICE_ID_TENX_IBUDDY2 0x0002 + #define USB_VENDOR_ID_TOPMAX 0x0663 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 -- GitLab From d92870ddd248e8c2562a8c4047885d3ad221ece7 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Tue, 9 Sep 2008 01:23:03 +0200 Subject: [PATCH 4796/6244] HID: fix tty<->hid deadlock hid_compat_load() runs on the default workqueue, it request_module(), it execs modprobe, it exits, tty flushes default workqueue, it hangs, because we are still in it. Signed-off-by: Jiri Slaby Tested-by: Signed-off-by: Andrew Morton Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 18b277a833f0..63c8ce5540fe 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1657,6 +1657,7 @@ static void hid_compat_load(struct work_struct *ws) request_module("hid-dummy"); } static DECLARE_WORK(hid_compat_work, hid_compat_load); +static struct workqueue_struct *hid_compat_wq; #endif static int __init hid_init(void) @@ -1674,7 +1675,12 @@ static int __init hid_init(void) goto err_bus; #ifdef CONFIG_HID_COMPAT - schedule_work(&hid_compat_work); + hid_compat_wq = create_workqueue("hid_compat"); + if (!hid_compat_wq) { + hidraw_exit(); + goto err; + } + queue_work(hid_compat_wq, &hid_compat_work); #endif return 0; @@ -1686,6 +1692,9 @@ err: static void __exit hid_exit(void) { +#ifdef CONFIG_HID_COMPAT + destroy_workqueue(hid_compat_wq); +#endif hidraw_exit(); bus_unregister(&hid_bus_type); } -- GitLab From 2b107d629dc0c35de606bb7b010b829cd247a93a Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Wed, 17 Sep 2008 19:41:58 +0200 Subject: [PATCH 4797/6244] HID: fix incorrent length condition in hidraw_write() The bound check on the buffer length if (count > HID_MIN_BUFFER_SIZE) is of course incorrent, the proper check is if (count > HID_MAX_BUFFER_SIZE) Fix it. Reported-by: Jerry Ryle Signed-off-by: Jiri Kosina --- drivers/hid/hidraw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 4be240e74d4f..497e0d1dd3c3 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -113,7 +113,7 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t if (!dev->hid_output_raw_report) return -ENODEV; - if (count > HID_MIN_BUFFER_SIZE) { + if (count > HID_MAX_BUFFER_SIZE) { printk(KERN_WARNING "hidraw: pid %d passed too large report\n", task_pid_nr(current)); return -EINVAL; -- GitLab From 5f022298aab58ddff9bccdb28b82a59109789da9 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 19:43:32 +0200 Subject: [PATCH 4798/6244] HID: move pantherlord FF processing Move the force feedback processing into a separate module. [jkosina@suse.cz: fix Kconfig texts a little bit] Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 16 +++++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 2 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-ids.h | 2 + drivers/hid/{usbhid/hid-plff.c => hid-pl.c} | 72 ++++++++++++++++++++- drivers/hid/usbhid/Kconfig | 8 --- drivers/hid/usbhid/Makefile | 3 - drivers/hid/usbhid/hid-ff.c | 4 -- drivers/hid/usbhid/hid-quirks.c | 1 - include/linux/hid.h | 1 - 11 files changed, 93 insertions(+), 20 deletions(-) rename drivers/hid/{usbhid/hid-plff.c => hid-pl.c} (74%) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 46337a28d1d6..c836caba82d6 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -199,6 +199,22 @@ config HID_MONTEREY ---help--- Support for Monterey Genius KB29E. +config HID_PANTHERLORD + tristate "Pantherlord devices support" + default m + depends on USB_HID + ---help--- + Support for PantherLord/GreenAsia based device support. + + +config PANTHERLORD_FF + bool "Pantherlord force feedback support" + depends on HID_PANTHERLORD + select INPUT_FF_MEMLESS + help + Say Y here if you have a PantherLord/GreenAsia based game controller + or adapter and want to enable force feedback support for it. + config HID_PETALYNX tristate "Petalynx" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 300ee00913bc..e60706835243 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o +obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SONY) += hid-sony.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 63c8ce5540fe..48a76e791e02 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1411,6 +1411,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, @@ -1426,6 +1427,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 69dcf9b1a444..2f5d9a1a352c 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -40,6 +40,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MONTEREY_MODULE HID_COMPAT_CALL_DRIVER(monterey); #endif +#ifdef CONFIG_HID_PANTHERLORD_MODULE + HID_COMPAT_CALL_DRIVER(pantherlord); +#endif #ifdef CONFIG_HID_PETALYNX_MODULE HID_COMPAT_CALL_DRIVER(petalynx); #endif diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index fa4e4fd96f65..fdd2d13036f7 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -169,6 +169,8 @@ #define USB_DEVICE_ID_GOGOPEN 0x00ce #define USB_DEVICE_ID_PENPOWER 0x00f4 +#define USB_VENDOR_ID_GREENASIA 0x0e8f + #define USB_VENDOR_ID_GRETAGMACBETH 0x0971 #define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 diff --git a/drivers/hid/usbhid/hid-plff.c b/drivers/hid/hid-pl.c similarity index 74% rename from drivers/hid/usbhid/hid-plff.c rename to drivers/hid/hid-pl.c index 9eb83cf9d22b..a1d1fb9da125 100644 --- a/drivers/hid/usbhid/hid-plff.c +++ b/drivers/hid/hid-pl.c @@ -9,7 +9,7 @@ * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT) * * 0e8f:0003 "GreenAsia Inc. USB Joystick " - * - tested with Köng Gaming gamepad + * - tested with K??ng Gaming gamepad * * Copyright (c) 2007 Anssi Hannula */ @@ -38,7 +38,11 @@ #include #include #include -#include "usbhid.h" + +#include "hid-ids.h" + +#ifdef CONFIG_PANTHERLORD_FF +#include "usbhid/usbhid.h" struct plff_device { struct hid_report *report; @@ -66,7 +70,7 @@ static int hid_plff_play(struct input_dev *dev, void *data, return 0; } -int hid_plff_init(struct hid_device *hid) +static int plff_init(struct hid_device *hid) { struct plff_device *plff; struct hid_report *report; @@ -137,3 +141,65 @@ int hid_plff_init(struct hid_device *hid) return 0; } +#else +static inline int plff_init(struct hid_device *hid) +{ + return 0; +} +#endif + +static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + if (id->driver_data) + hdev->quirks |= HID_QUIRK_MULTI_INPUT; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + plff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id pl_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR), + .driver_data = 1 }, /* Twin USB Joystick */ + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, /* GreenAsia Inc. USB Joystick */ + { } +}; +MODULE_DEVICE_TABLE(hid, pl_devices); + +static struct hid_driver pl_driver = { + .name = "pantherlord", + .id_table = pl_devices, + .probe = pl_probe, +}; + +static int pl_init(void) +{ + return hid_register_driver(&pl_driver); +} + +static void pl_exit(void) +{ + hid_unregister_driver(&pl_driver); +} + +module_init(pl_init); +module_exit(pl_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(pantherlord); diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 0e7e2e6d975e..02c8228ed7ee 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -44,14 +44,6 @@ config HID_PID feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such devices. -config PANTHERLORD_FF - bool "PantherLord/GreenAsia based device support" - depends on HID_FF - select INPUT_FF_MEMLESS if USB_HID - help - Say Y here if you have a PantherLord/GreenAsia based game controller - or adapter and want to enable force feedback support for it. - config THRUSTMASTER_FF bool "ThrustMaster devices support" depends on HID_FF diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 224c62dc6a32..0ee4803375b2 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -13,9 +13,6 @@ endif ifeq ($(CONFIG_HID_PID),y) usbhid-objs += hid-pidff.o endif -ifeq ($(CONFIG_PANTHERLORD_FF),y) - usbhid-objs += hid-plff.o -endif ifeq ($(CONFIG_THRUSTMASTER_FF),y) usbhid-objs += hid-tmff.o endif diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c index 8891f60d3beb..a868eef06189 100644 --- a/drivers/hid/usbhid/hid-ff.c +++ b/drivers/hid/usbhid/hid-ff.c @@ -50,10 +50,6 @@ struct hid_ff_initializer { * be a PID device */ static struct hid_ff_initializer inits[] = { -#ifdef CONFIG_PANTHERLORD_FF - { 0x810, 0x0001, hid_plff_init }, /* "Twin USB Joystick" */ - { 0xe8f, 0x0003, hid_plff_init }, /* "GreenAsia Inc. USB Joystick " */ -#endif #ifdef CONFIG_THRUSTMASTER_FF { 0x44f, 0xb300, hid_tmff_init }, { 0x44f, 0xb304, hid_tmff_init }, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index d40f00904c5e..47ebe045f9b5 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -32,7 +32,6 @@ static const struct hid_blacklist { { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD }, - { USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, diff --git a/include/linux/hid.h b/include/linux/hid.h index 15ee33e0463e..63b808067203 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -760,7 +760,6 @@ void usbhid_set_leds(struct hid_device *hid); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -int hid_plff_init(struct hid_device *hid); int hid_tmff_init(struct hid_device *hid); int hid_zpff_init(struct hid_device *hid); #ifdef CONFIG_HID_PID -- GitLab From 10e41a711e55f485709b4ca157e587cf36ef5a69 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 12:23:31 +0200 Subject: [PATCH 4799/6244] HID: move thrustmaster FF processing Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 9 ++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 4 + drivers/hid/hid-dummy.c | 3 + drivers/hid/hid-ids.h | 2 + drivers/hid/{usbhid => }/hid-tmff.c | 132 ++++++++++++++++++---------- drivers/hid/usbhid/Kconfig | 11 --- drivers/hid/usbhid/Makefile | 3 - drivers/hid/usbhid/hid-ff.c | 6 -- include/linux/hid.h | 1 - 10 files changed, 106 insertions(+), 66 deletions(-) rename drivers/hid/{usbhid => }/hid-tmff.c (63%) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index c836caba82d6..78e3ba9504f3 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -243,6 +243,15 @@ config HID_SUNPLUS ---help--- Support for Sunplus WDesktop input device. +config THRUSTMASTER_FF + tristate "ThrustMaster devices support" + default m + depends on USB_HID + select INPUT_FF_MEMLESS + help + Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or + a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel. + endmenu endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index e60706835243..9bd6daf6aaa4 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o +obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 48a76e791e02..b0996ff1462b 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1516,6 +1516,10 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY1) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 2f5d9a1a352c..ae122a122faa 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -55,6 +55,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif +#ifdef CONFIG_THRUSTMASTER_FF_MODULE + HID_COMPAT_CALL_DRIVER(thrustmaster); +#endif return -EIO; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index fdd2d13036f7..b8cc0196ec00 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -357,6 +357,8 @@ #define USB_DEVICE_ID_TENX_IBUDDY1 0x0001 #define USB_DEVICE_ID_TENX_IBUDDY2 0x0002 +#define USB_VENDOR_ID_THRUSTMASTER 0x044f + #define USB_VENDOR_ID_TOPMAX 0x0663 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 diff --git a/drivers/hid/usbhid/hid-tmff.c b/drivers/hid/hid-tmff.c similarity index 63% rename from drivers/hid/usbhid/hid-tmff.c rename to drivers/hid/hid-tmff.c index 144578b1a00c..be7ebe286a16 100644 --- a/drivers/hid/usbhid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -27,23 +27,17 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include #include - -#undef DEBUG #include -#include -#include "usbhid.h" +#include "hid-ids.h" + +#include "usbhid/usbhid.h" /* Usages for thrustmaster devices I know about */ #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) -struct dev_type { - u16 idVendor; - u16 idProduct; - const signed short *ff; -}; - static const signed short ff_rumble[] = { FF_RUMBLE, -1 @@ -54,21 +48,13 @@ static const signed short ff_joystick[] = { -1 }; -static const struct dev_type devices[] = { - { 0x44f, 0xb300, ff_rumble }, - { 0x44f, 0xb304, ff_rumble }, - { 0x44f, 0xb651, ff_rumble }, /* FGT Rumble Force Wheel */ - { 0x44f, 0xb654, ff_joystick }, /* FGT Force Feedback Wheel */ -}; - struct tmff_device { struct hid_report *report; struct hid_field *ff_field; }; /* Changes values from 0 to 0xffff into values from minimum to maximum */ -static inline int hid_tmff_scale_u16(unsigned int in, - int minimum, int maximum) +static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum) { int ret; @@ -81,8 +67,7 @@ static inline int hid_tmff_scale_u16(unsigned int in, } /* Changes values from -0x80 to 0x7f into values from minimum to maximum */ -static inline int hid_tmff_scale_s8(int in, - int minimum, int maximum) +static inline int tmff_scale_s8(int in, int minimum, int maximum) { int ret; @@ -94,7 +79,8 @@ static inline int hid_tmff_scale_s8(int in, return ret; } -static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect) +static int tmff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct tmff_device *tmff = data; @@ -104,10 +90,10 @@ static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *ef switch (effect->type) { case FF_CONSTANT: - x = hid_tmff_scale_s8(effect->u.ramp.start_level, + x = tmff_scale_s8(effect->u.ramp.start_level, ff_field->logical_minimum, ff_field->logical_maximum); - y = hid_tmff_scale_s8(effect->u.ramp.end_level, + y = tmff_scale_s8(effect->u.ramp.end_level, ff_field->logical_minimum, ff_field->logical_maximum); @@ -118,10 +104,10 @@ static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *ef break; case FF_RUMBLE: - left = hid_tmff_scale_u16(effect->u.rumble.weak_magnitude, + left = tmff_scale_u16(effect->u.rumble.weak_magnitude, ff_field->logical_minimum, ff_field->logical_maximum); - right = hid_tmff_scale_u16(effect->u.rumble.strong_magnitude, + right = tmff_scale_u16(effect->u.rumble.strong_magnitude, ff_field->logical_minimum, ff_field->logical_maximum); @@ -134,14 +120,14 @@ static int hid_tmff_play(struct input_dev *dev, void *data, struct ff_effect *ef return 0; } -int hid_tmff_init(struct hid_device *hid) +static int tmff_init(struct hid_device *hid, const signed short *ff_bits) { struct tmff_device *tmff; struct hid_report *report; struct list_head *report_list; - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); struct input_dev *input_dev = hidinput->input; - const signed short *ff_bits = ff_joystick; int error; int i; @@ -163,17 +149,22 @@ int hid_tmff_init(struct hid_device *hid) switch (field->usage[0].hid) { case THRUSTMASTER_USAGE_FF: if (field->report_count < 2) { - warn("ignoring FF field with report_count < 2"); + warn("ignoring FF field with " + "report_count < 2"); continue; } - if (field->logical_maximum == field->logical_minimum) { - warn("ignoring FF field with logical_maximum == logical_minimum"); + if (field->logical_maximum == + field->logical_minimum) { + warn("ignoring FF field with " + "logical_maximum == " + "logical_minimum"); continue; } if (tmff->report && tmff->report != report) { - warn("ignoring FF field in other report"); + warn("ignoring FF field in other " + "report"); continue; } @@ -185,21 +176,14 @@ int hid_tmff_init(struct hid_device *hid) tmff->report = report; tmff->ff_field = field; - for (i = 0; i < ARRAY_SIZE(devices); i++) { - if (input_dev->id.vendor == devices[i].idVendor && - input_dev->id.product == devices[i].idProduct) { - ff_bits = devices[i].ff; - break; - } - } - for (i = 0; ff_bits[i] >= 0; i++) set_bit(ff_bits[i], input_dev->ffbit); break; default: - warn("ignoring unknown output usage %08x", field->usage[0].hid); + warn("ignoring unknown output usage %08x", + field->usage[0].hid); continue; } } @@ -211,15 +195,73 @@ int hid_tmff_init(struct hid_device *hid) goto fail; } - error = input_ff_create_memless(input_dev, tmff, hid_tmff_play); + error = input_ff_create_memless(input_dev, tmff, tmff_play); if (error) goto fail; - info("Force feedback for ThrustMaster devices by Zinx Verituse "); + info("Force feedback for ThrustMaster devices by Zinx Verituse " + ""); return 0; - fail: +fail: kfree(tmff); return error; } +static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + tmff_init(hdev, (void *)id->driver_data); + + return 0; +err: + return ret; +} + +static const struct hid_device_id tm_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300), + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */ + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ + .driver_data = (unsigned long)ff_joystick }, + { } +}; +MODULE_DEVICE_TABLE(hid, tm_devices); + +static struct hid_driver tm_driver = { + .name = "thrustmaster", + .id_table = tm_devices, + .probe = tm_probe, +}; + +static int tm_init(void) +{ + return hid_register_driver(&tm_driver); +} + +static void tm_exit(void) +{ + hid_unregister_driver(&tm_driver); +} + +module_init(tm_init); +module_exit(tm_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(thrustmaster); diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 02c8228ed7ee..c236fb3deb59 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -44,17 +44,6 @@ config HID_PID feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such devices. -config THRUSTMASTER_FF - bool "ThrustMaster devices support" - depends on HID_FF - select INPUT_FF_MEMLESS if USB_HID - help - Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or - a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel, - and want to enable force feedback support for it. - Note: if you say N here, this device will still be supported, but without - force feedback. - config ZEROPLUS_FF bool "Zeroplus based game controller support" depends on HID_FF diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 0ee4803375b2..dd3b8634800f 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -13,9 +13,6 @@ endif ifeq ($(CONFIG_HID_PID),y) usbhid-objs += hid-pidff.o endif -ifeq ($(CONFIG_THRUSTMASTER_FF),y) - usbhid-objs += hid-tmff.o -endif ifeq ($(CONFIG_ZEROPLUS_FF),y) usbhid-objs += hid-zpff.o endif diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c index a868eef06189..ed3a869d54e3 100644 --- a/drivers/hid/usbhid/hid-ff.c +++ b/drivers/hid/usbhid/hid-ff.c @@ -50,12 +50,6 @@ struct hid_ff_initializer { * be a PID device */ static struct hid_ff_initializer inits[] = { -#ifdef CONFIG_THRUSTMASTER_FF - { 0x44f, 0xb300, hid_tmff_init }, - { 0x44f, 0xb304, hid_tmff_init }, - { 0x44f, 0xb651, hid_tmff_init }, /* FGT Rumble Force Wheel */ - { 0x44f, 0xb654, hid_tmff_init }, /* FGT Force Feedback Wheel */ -#endif #ifdef CONFIG_ZEROPLUS_FF { 0xc12, 0x0005, hid_zpff_init }, { 0xc12, 0x0030, hid_zpff_init }, diff --git a/include/linux/hid.h b/include/linux/hid.h index 63b808067203..8266e50637b4 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -760,7 +760,6 @@ void usbhid_set_leds(struct hid_device *hid); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -int hid_tmff_init(struct hid_device *hid); int hid_zpff_init(struct hid_device *hid); #ifdef CONFIG_HID_PID int hid_pidff_init(struct hid_device *hid); -- GitLab From 987fbc1f7d446f4bf7063d3b756ae29db80be75e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 12:23:32 +0200 Subject: [PATCH 4800/6244] HID: move zeroplus FF processing Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 8 ++++ drivers/hid/Makefile | 1 + drivers/hid/hid-core.c | 2 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-ids.h | 2 + drivers/hid/{usbhid => }/hid-zpff.c | 65 ++++++++++++++++++++++++++--- drivers/hid/usbhid/Kconfig | 8 ---- drivers/hid/usbhid/Makefile | 3 -- drivers/hid/usbhid/hid-ff.c | 4 -- include/linux/hid.h | 1 - 10 files changed, 76 insertions(+), 21 deletions(-) rename drivers/hid/{usbhid => }/hid-zpff.c (71%) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 78e3ba9504f3..fc4f80c4006c 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -252,6 +252,14 @@ config THRUSTMASTER_FF Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel. +config ZEROPLUS_FF + tristate "Zeroplus based game controller support" + default m + depends on USB_HID + select INPUT_FF_MEMLESS + help + Say Y here if you have a Zeroplus based game controller. + endmenu endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 9bd6daf6aaa4..767f29500716 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o +obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index b0996ff1462b..5a23077175e6 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1530,6 +1530,8 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, { } }; diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index ae122a122faa..54d1fb6fd4d8 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -58,6 +58,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_THRUSTMASTER_FF_MODULE HID_COMPAT_CALL_DRIVER(thrustmaster); #endif +#ifdef CONFIG_ZEROPLUS_FF_MODULE + HID_COMPAT_CALL_DRIVER(zeroplus); +#endif return -EIO; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b8cc0196ec00..e68b6d9bcd1a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -388,6 +388,8 @@ #define USB_VENDOR_ID_YEALINK 0x6993 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 +#define USB_VENDOR_ID_ZEROPLUS 0x0c12 + #define USB_VENDOR_ID_KYE 0x0458 #define USB_DEVICE_ID_KYE_GPEN_560 0x5003 diff --git a/drivers/hid/usbhid/hid-zpff.c b/drivers/hid/hid-zpff.c similarity index 71% rename from drivers/hid/usbhid/hid-zpff.c rename to drivers/hid/hid-zpff.c index 5a688274f6a3..9ed04ee9d642 100644 --- a/drivers/hid/usbhid/hid-zpff.c +++ b/drivers/hid/hid-zpff.c @@ -21,16 +21,19 @@ */ +#include #include #include -#include -#include "usbhid.h" + +#include "hid-ids.h" + +#include "usbhid/usbhid.h" struct zpff_device { struct hid_report *report; }; -static int hid_zpff_play(struct input_dev *dev, void *data, +static int zpff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); @@ -58,7 +61,7 @@ static int hid_zpff_play(struct input_dev *dev, void *data, return 0; } -int hid_zpff_init(struct hid_device *hid) +static int zpff_init(struct hid_device *hid) { struct zpff_device *zpff; struct hid_report *report; @@ -87,7 +90,7 @@ int hid_zpff_init(struct hid_device *hid) set_bit(FF_RUMBLE, dev->ffbit); - error = input_ff_create_memless(dev, zpff, hid_zpff_play); + error = input_ff_create_memless(dev, zpff, zpff_play); if (error) { kfree(zpff); return error; @@ -105,3 +108,55 @@ int hid_zpff_init(struct hid_device *hid) return 0; } + +static int zp_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + zpff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id zp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, + { } +}; +MODULE_DEVICE_TABLE(hid, zp_devices); + +static struct hid_driver zp_driver = { + .name = "zeroplus", + .id_table = zp_devices, + .probe = zp_probe, +}; + +static int zp_init(void) +{ + return hid_register_driver(&zp_driver); +} + +static void zp_exit(void) +{ + hid_unregister_driver(&zp_driver); +} + +module_init(zp_init); +module_exit(zp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(zeroplus); diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index c236fb3deb59..3cfc076f5f71 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -44,14 +44,6 @@ config HID_PID feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such devices. -config ZEROPLUS_FF - bool "Zeroplus based game controller support" - depends on HID_FF - select INPUT_FF_MEMLESS if USB_HID - help - Say Y here if you have a Zeroplus based game controller and want to - enable force feedback for it. - config USB_HIDDEV bool "/dev/hiddev raw HID device support" depends on USB_HID diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index dd3b8634800f..5c460fcdd75c 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -13,9 +13,6 @@ endif ifeq ($(CONFIG_HID_PID),y) usbhid-objs += hid-pidff.o endif -ifeq ($(CONFIG_ZEROPLUS_FF),y) - usbhid-objs += hid-zpff.o -endif ifeq ($(CONFIG_HID_FF),y) usbhid-objs += hid-ff.o endif diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c index ed3a869d54e3..eca01a6fda59 100644 --- a/drivers/hid/usbhid/hid-ff.c +++ b/drivers/hid/usbhid/hid-ff.c @@ -50,10 +50,6 @@ struct hid_ff_initializer { * be a PID device */ static struct hid_ff_initializer inits[] = { -#ifdef CONFIG_ZEROPLUS_FF - { 0xc12, 0x0005, hid_zpff_init }, - { 0xc12, 0x0030, hid_zpff_init }, -#endif { 0, 0, hid_pidff_init} /* Matches anything */ }; diff --git a/include/linux/hid.h b/include/linux/hid.h index 8266e50637b4..0773ba6a66f2 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -760,7 +760,6 @@ void usbhid_set_leds(struct hid_device *hid); #ifdef CONFIG_HID_FF int hid_ff_init(struct hid_device *hid); -int hid_zpff_init(struct hid_device *hid); #ifdef CONFIG_HID_PID int hid_pidff_init(struct hid_device *hid); #else -- GitLab From 76483cf4d0efbc35eaf9905a437f2f1be0221360 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 12:23:33 +0200 Subject: [PATCH 4801/6244] HID: remove hid-ff hid-ff.c now calls only pidff (generic driver), the special ones are now in separate drivers. Invoke pidff on all non-special directly. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/Kconfig | 13 ------- drivers/hid/usbhid/Makefile | 3 -- drivers/hid/usbhid/hid-core.c | 2 +- drivers/hid/usbhid/hid-ff.c | 69 ----------------------------------- include/linux/hid.h | 9 +---- 5 files changed, 2 insertions(+), 94 deletions(-) delete mode 100644 drivers/hid/usbhid/hid-ff.c diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 3cfc076f5f71..5d9aa95fc3ef 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -24,21 +24,8 @@ config USB_HID comment "Input core support is needed for USB HID input layer or HIDBP support" depends on USB_HID && INPUT=n -config HID_FF - bool "Force feedback support (EXPERIMENTAL)" - depends on USB_HID && EXPERIMENTAL - help - Say Y here is you want force feedback support for a few HID devices. - See below for a list of supported devices. - - See for a description of the force - feedback API. - - If unsure, say N. - config HID_PID bool "PID device support" - depends on HID_FF help Say Y here if you have a PID-compliant device and wish to enable force feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 5c460fcdd75c..1329ecb37a1c 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -13,9 +13,6 @@ endif ifeq ($(CONFIG_HID_PID),y) usbhid-objs += hid-pidff.o endif -ifeq ($(CONFIG_HID_FF),y) - usbhid-objs += hid-ff.o -endif obj-$(CONFIG_USB_HID) += usbhid.o obj-$(CONFIG_USB_KBD) += usbkbd.o diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 4ec10aa618db..07840df56c63 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -935,7 +935,7 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) usb_set_intfdata(intf, hid); hid->ll_driver = &usb_hid_driver; hid->hid_output_raw_report = usbhid_output_raw_report; - hid->ff_init = hid_ff_init; + hid->ff_init = hid_pidff_init; #ifdef CONFIG_USB_HIDDEV hid->hiddev_connect = hiddev_connect; hid->hiddev_hid_event = hiddev_hid_event; diff --git a/drivers/hid/usbhid/hid-ff.c b/drivers/hid/usbhid/hid-ff.c deleted file mode 100644 index eca01a6fda59..000000000000 --- a/drivers/hid/usbhid/hid-ff.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Force feedback support for hid devices. - * Not all hid devices use the same protocol. For example, some use PID, - * other use their own proprietary procotol. - * - * Copyright (c) 2002-2004 Johann Deneux - */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Should you need to contact me, the author, you can do so by - * e-mail - mail your message to - */ - -#include - -#undef DEBUG -#include - -#include -#include "usbhid.h" - -/* - * This table contains pointers to initializers. To add support for new - * devices, you need to add the USB vendor and product ids here. - */ -struct hid_ff_initializer { - u16 idVendor; - u16 idProduct; - int (*init)(struct hid_device*); -}; - -/* - * We try pidff when no other driver is found because PID is the - * standards compliant way of implementing force feedback in HID. - * pidff_init() will quickly abort if the device doesn't appear to - * be a PID device - */ -static struct hid_ff_initializer inits[] = { - { 0, 0, hid_pidff_init} /* Matches anything */ -}; - -int hid_ff_init(struct hid_device* hid) -{ - struct hid_ff_initializer *init; - int vendor = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idVendor); - int product = le16_to_cpu(hid_to_usb_dev(hid)->descriptor.idProduct); - - for (init = inits; init->idVendor; init++) - if (init->idVendor == vendor && init->idProduct == product) - break; - - return init->init(hid); -} -EXPORT_SYMBOL_GPL(hid_ff_init); - diff --git a/include/linux/hid.h b/include/linux/hid.h index 0773ba6a66f2..dcdef0bb4bba 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -757,17 +757,10 @@ int usbhid_quirks_init(char **quirks_param); void usbhid_quirks_exit(void); void usbhid_set_leds(struct hid_device *hid); -#ifdef CONFIG_HID_FF -int hid_ff_init(struct hid_device *hid); - #ifdef CONFIG_HID_PID int hid_pidff_init(struct hid_device *hid); #else -static inline int hid_pidff_init(struct hid_device *hid) { return -ENODEV; } -#endif - -#else -#define hid_ff_init NULL +#define hid_pidff_init NULL #endif #ifdef CONFIG_HID_DEBUG -- GitLab From 795750197f240ca2a3f064c0210c4efd40dbaed3 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 18 Sep 2008 12:23:34 +0200 Subject: [PATCH 4802/6244] HID: convert to dev_* prints Since we have a real device bound to a driver, we may use struct device for printing. Use dev_* functions instead of printks in 4 drivers. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-lg2ff.c | 8 ++++---- drivers/hid/hid-pl.c | 11 ++++++----- drivers/hid/hid-tmff.c | 26 ++++++++++++++------------ drivers/hid/hid-zpff.c | 6 +++--- 4 files changed, 27 insertions(+), 24 deletions(-) diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c index b2e9a67aa652..4e6dc6e26523 100644 --- a/drivers/hid/hid-lg2ff.c +++ b/drivers/hid/hid-lg2ff.c @@ -71,18 +71,18 @@ int lg2ff_init(struct hid_device *hid) int error; if (list_empty(report_list)) { - printk(KERN_ERR "hid-lg2ff: no output report found\n"); + dev_err(&hid->dev, "no output report found\n"); return -ENODEV; } report = list_entry(report_list->next, struct hid_report, list); if (report->maxfield < 1) { - printk(KERN_ERR "hid-lg2ff: output report is empty\n"); + dev_err(&hid->dev, "output report is empty\n"); return -ENODEV; } if (report->field[0]->report_count < 7) { - printk(KERN_ERR "hid-lg2ff: not enough values in the field\n"); + dev_err(&hid->dev, "not enough values in the field\n"); return -ENODEV; } @@ -109,7 +109,7 @@ int lg2ff_init(struct hid_device *hid) usbhid_submit_report(hid, report, USB_DIR_OUT); - printk(KERN_INFO "Force feedback for Logitech Rumblepad 2 by " + dev_info(&hid->dev, "Force feedback for Logitech Rumblepad 2 by " "Anssi Hannula \n"); return 0; diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c index a1d1fb9da125..acd815586182 100644 --- a/drivers/hid/hid-pl.c +++ b/drivers/hid/hid-pl.c @@ -90,7 +90,7 @@ static int plff_init(struct hid_device *hid) currently unknown. */ if (list_empty(report_list)) { - printk(KERN_ERR "hid-plff: no output reports found\n"); + dev_err(&hid->dev, "no output reports found\n"); return -ENODEV; } @@ -99,18 +99,19 @@ static int plff_init(struct hid_device *hid) report_ptr = report_ptr->next; if (report_ptr == report_list) { - printk(KERN_ERR "hid-plff: required output report is missing\n"); + dev_err(&hid->dev, "required output report is " + "missing\n"); return -ENODEV; } report = list_entry(report_ptr, struct hid_report, list); if (report->maxfield < 1) { - printk(KERN_ERR "hid-plff: no fields in the report\n"); + dev_err(&hid->dev, "no fields in the report\n"); return -ENODEV; } if (report->field[0]->report_count < 4) { - printk(KERN_ERR "hid-plff: not enough values in the field\n"); + dev_err(&hid->dev, "not enough values in the field\n"); return -ENODEV; } @@ -136,7 +137,7 @@ static int plff_init(struct hid_device *hid) usbhid_submit_report(hid, plff->report, USB_DIR_OUT); } - printk(KERN_INFO "hid-plff: Force feedback for PantherLord/GreenAsia " + dev_info(&hid->dev, "Force feedback for PantherLord/GreenAsia " "devices by Anssi Hannula \n"); return 0; diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index be7ebe286a16..1b7cba0f7e1f 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -149,27 +149,28 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) switch (field->usage[0].hid) { case THRUSTMASTER_USAGE_FF: if (field->report_count < 2) { - warn("ignoring FF field with " - "report_count < 2"); + dev_warn(&hid->dev, "ignoring FF field " + "with report_count < 2\n"); continue; } if (field->logical_maximum == field->logical_minimum) { - warn("ignoring FF field with " - "logical_maximum == " - "logical_minimum"); + dev_warn(&hid->dev, "ignoring FF field " + "with logical_maximum " + "== logical_minimum\n"); continue; } if (tmff->report && tmff->report != report) { - warn("ignoring FF field in other " - "report"); + dev_warn(&hid->dev, "ignoring FF field " + "in other report\n"); continue; } if (tmff->ff_field && tmff->ff_field != field) { - warn("ignoring duplicate FF field"); + dev_warn(&hid->dev, "ignoring " + "duplicate FF field\n"); continue; } @@ -182,7 +183,8 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) break; default: - warn("ignoring unknown output usage %08x", + dev_warn(&hid->dev, "ignoring unknown output " + "usage %08x\n", field->usage[0].hid); continue; } @@ -190,7 +192,7 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) } if (!tmff->report) { - err("cant find FF field in output reports\n"); + dev_err(&hid->dev, "can't find FF field in output reports\n"); error = -ENODEV; goto fail; } @@ -199,8 +201,8 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits) if (error) goto fail; - info("Force feedback for ThrustMaster devices by Zinx Verituse " - ""); + dev_info(&hid->dev, "force feedback for ThrustMaster devices by Zinx " + "Verituse "); return 0; fail: diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c index 9ed04ee9d642..ea82f3718b21 100644 --- a/drivers/hid/hid-zpff.c +++ b/drivers/hid/hid-zpff.c @@ -73,14 +73,14 @@ static int zpff_init(struct hid_device *hid) int error; if (list_empty(report_list)) { - printk(KERN_ERR "hid-zpff: no output report found\n"); + dev_err(&hid->dev, "no output report found\n"); return -ENODEV; } report = list_entry(report_list->next, struct hid_report, list); if (report->maxfield < 4) { - printk(KERN_ERR "hid-zpff: not enough fields in report\n"); + dev_err(&hid->dev, "not enough fields in report\n"); return -ENODEV; } @@ -103,7 +103,7 @@ static int zpff_init(struct hid_device *hid) zpff->report->field[3]->value[0] = 0x00; usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); - printk(KERN_INFO "Force feedback for Zeroplus based devices by " + dev_info(&hid->dev, "force feedback for Zeroplus based devices by " "Anssi Hannula \n"); return 0; -- GitLab From 34a5ceee5eafe8cfa650d333304ce84a573ff7f0 Mon Sep 17 00:00:00 2001 From: Antonio Ospite Date: Thu, 2 Oct 2008 22:14:54 +0200 Subject: [PATCH 4803/6244] HID: hiddev.h: Fix mixed space and tabs in example code. Fix mixed space and tabs in example code. Signed-off-by: Antonio Ospite Signed-off-by: Jiri Kosina --- include/linux/hiddev.h | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h index 6ae77b3468f9..7a9ba2944127 100644 --- a/include/linux/hiddev.h +++ b/include/linux/hiddev.h @@ -182,26 +182,26 @@ struct hiddev_usage_ref_multi { /* To traverse the input report descriptor info for a HID device, perform the * following: * - * rinfo.report_type = HID_REPORT_TYPE_INPUT; - * rinfo.report_id = HID_REPORT_ID_FIRST; - * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); + * rinfo.report_type = HID_REPORT_TYPE_INPUT; + * rinfo.report_id = HID_REPORT_ID_FIRST; + * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); * - * while (ret >= 0) { - * for (i = 0; i < rinfo.num_fields; i++) { - * finfo.report_type = rinfo.report_type; - * finfo.report_id = rinfo.report_id; - * finfo.field_index = i; - * ioctl(fd, HIDIOCGFIELDINFO, &finfo); - * for (j = 0; j < finfo.maxusage; j++) { - * uref.field_index = i; - * uref.usage_index = j; - * ioctl(fd, HIDIOCGUCODE, &uref); - * ioctl(fd, HIDIOCGUSAGE, &uref); - * } - * } - * rinfo.report_id |= HID_REPORT_ID_NEXT; - * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); - * } + * while (ret >= 0) { + * for (i = 0; i < rinfo.num_fields; i++) { + * finfo.report_type = rinfo.report_type; + * finfo.report_id = rinfo.report_id; + * finfo.field_index = i; + * ioctl(fd, HIDIOCGFIELDINFO, &finfo); + * for (j = 0; j < finfo.maxusage; j++) { + * uref.field_index = i; + * uref.usage_index = j; + * ioctl(fd, HIDIOCGUCODE, &uref); + * ioctl(fd, HIDIOCGUSAGE, &uref); + * } + * } + * rinfo.report_id |= HID_REPORT_ID_NEXT; + * ret = ioctl(fd, HIDIOCGREPORTINFO, &rinfo); + * } */ -- GitLab From dded364bf4e1f0de67d7d7b9e77c06b23a9f081f Mon Sep 17 00:00:00 2001 From: Antonio Ospite Date: Thu, 2 Oct 2008 22:15:02 +0200 Subject: [PATCH 4804/6244] HID: hiddev.h: Fix example code. Fix hiddev.h example code. To get the correct usage code, you need to set report_type and report_id. Signed-off-by: Antonio Ospite Signed-off-by: Jiri Kosina --- include/linux/hiddev.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/hiddev.h b/include/linux/hiddev.h index 7a9ba2944127..c760ae0eb6a1 100644 --- a/include/linux/hiddev.h +++ b/include/linux/hiddev.h @@ -193,6 +193,8 @@ struct hiddev_usage_ref_multi { * finfo.field_index = i; * ioctl(fd, HIDIOCGFIELDINFO, &finfo); * for (j = 0; j < finfo.maxusage; j++) { + * uref.report_type = rinfo.report_type; + * uref.report_id = rinfo.report_id; * uref.field_index = i; * uref.usage_index = j; * ioctl(fd, HIDIOCGUCODE, &uref); -- GitLab From f129ea6d1efe0eddcbb1f0faaec5623788ad9e58 Mon Sep 17 00:00:00 2001 From: Anssi Hannula Date: Sat, 4 Oct 2008 14:44:06 +0200 Subject: [PATCH 4805/6244] HID: fix a lockup regression when using force feedback on a PID device Commit 8006479c9b75fb6594a7b746af3d7f1fbb68f18f introduced a spinlock in input_dev->event_lock, which is locked when handling input events. However, the hid-pidff driver sleeps when handling events as it waits for reports being sent to the device before changing the report contents again. This causes a system lockup when trying to use force feedback with a PID device, a regression introduced in 2.6.24 and 2.6.23.15. Fix it by extracting the raw report data from struct hid_report immediately when hid_submit_report() is called, therefore allowing drivers to change the contents of struct hid_report immediately without affecting the already-queued transfer. In hid-pidff, re-add the removed usbhid_wait_io() to pidff_erase_effect() instead, to prevent a full report queue from causing the submission to fail, thus not freeing up device memory. pidff_erase_effect() is not called while dev->event_lock is held. Signed-off-by: Anssi Hannula Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 31 +++++++++++++++++++++++++++---- drivers/hid/usbhid/hid-pidff.c | 5 +++-- drivers/hid/usbhid/usbhid.h | 2 +- include/linux/hid.h | 6 ++++++ 4 files changed, 37 insertions(+), 7 deletions(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 07840df56c63..1ae047cd4fa1 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -232,13 +232,16 @@ static void hid_irq_in(struct urb *urb) static int hid_submit_out(struct hid_device *hid) { struct hid_report *report; + char *raw_report; struct usbhid_device *usbhid = hid->driver_data; - report = usbhid->out[usbhid->outtail]; + report = usbhid->out[usbhid->outtail].report; + raw_report = usbhid->out[usbhid->outtail].raw_report; - hid_output_report(report, usbhid->outbuf); usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); usbhid->urbout->dev = hid_to_usb_dev(hid); + memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); + kfree(raw_report); dbg_hid("submitting out urb\n"); @@ -254,17 +257,20 @@ static int hid_submit_ctrl(struct hid_device *hid) { struct hid_report *report; unsigned char dir; + char *raw_report; int len; struct usbhid_device *usbhid = hid->driver_data; report = usbhid->ctrl[usbhid->ctrltail].report; + raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; dir = usbhid->ctrl[usbhid->ctrltail].dir; len = ((report->size - 1) >> 3) + 1 + (report->id > 0); if (dir == USB_DIR_OUT) { - hid_output_report(report, usbhid->ctrlbuf); usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); usbhid->urbctrl->transfer_buffer_length = len; + memcpy(usbhid->ctrlbuf, raw_report, len); + kfree(raw_report); } else { int maxpacket, padlen; @@ -401,6 +407,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns int head; unsigned long flags; struct usbhid_device *usbhid = hid->driver_data; + int len = ((report->size - 1) >> 3) + 1 + (report->id > 0); if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN) return; @@ -415,7 +422,14 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns return; } - usbhid->out[usbhid->outhead] = report; + usbhid->out[usbhid->outhead].raw_report = kmalloc(len, GFP_ATOMIC); + if (!usbhid->out[usbhid->outhead].raw_report) { + spin_unlock_irqrestore(&usbhid->outlock, flags); + warn("output queueing failed"); + return; + } + hid_output_report(report, usbhid->out[usbhid->outhead].raw_report); + usbhid->out[usbhid->outhead].report = report; usbhid->outhead = head; if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl)) @@ -434,6 +448,15 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns return; } + if (dir == USB_DIR_OUT) { + usbhid->ctrl[usbhid->ctrlhead].raw_report = kmalloc(len, GFP_ATOMIC); + if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { + spin_unlock_irqrestore(&usbhid->ctrllock, flags); + warn("control queueing failed"); + return; + } + hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report); + } usbhid->ctrl[usbhid->ctrlhead].report = report; usbhid->ctrl[usbhid->ctrlhead].dir = dir; usbhid->ctrlhead = head; diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c index 011326178c06..484e3eec2f88 100644 --- a/drivers/hid/usbhid/hid-pidff.c +++ b/drivers/hid/usbhid/hid-pidff.c @@ -397,7 +397,6 @@ static void pidff_set_condition_report(struct pidff_device *pidff, effect->u.condition[i].left_saturation); pidff_set(&pidff->set_condition[PID_DEAD_BAND], effect->u.condition[i].deadband); - usbhid_wait_io(pidff->hid); usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_CONDITION], USB_DIR_OUT); } @@ -512,7 +511,6 @@ static void pidff_playback_pid(struct pidff_device *pidff, int pid_id, int n) pidff->effect_operation[PID_LOOP_COUNT].value[0] = n; } - usbhid_wait_io(pidff->hid); usbhid_submit_report(pidff->hid, pidff->reports[PID_EFFECT_OPERATION], USB_DIR_OUT); } @@ -548,6 +546,9 @@ static int pidff_erase_effect(struct input_dev *dev, int effect_id) int pid_id = pidff->pid_id[effect_id]; debug("starting to erase %d/%d", effect_id, pidff->pid_id[effect_id]); + /* Wait for the queue to clear. We do not want a full fifo to + prevent the effect removal. */ + usbhid_wait_io(pidff->hid); pidff_playback_pid(pidff, pid_id, 0); pidff_erase_pid(pidff, pid_id); diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index b47f991867e9..abedb13c623e 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -67,7 +67,7 @@ struct usbhid_device { spinlock_t ctrllock; /* Control fifo spinlock */ struct urb *urbout; /* Output URB */ - struct hid_report *out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ + struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ unsigned char outhead, outtail; /* Output pipe fifo head & tail */ char *outbuf; /* Output buffer */ dma_addr_t outbuf_dma; /* Output buffer dma */ diff --git a/include/linux/hid.h b/include/linux/hid.h index dcdef0bb4bba..f13bca2dd53b 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -388,6 +388,12 @@ struct hid_report_enum { struct hid_control_fifo { unsigned char dir; struct hid_report *report; + char *raw_report; +}; + +struct hid_output_fifo { + struct hid_report *report; + char *raw_report; }; #define HID_CLAIMED_INPUT 1 -- GitLab From 0f492f2aa908edea5e23c4b0d033b858cd90ea37 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Mon, 6 Oct 2008 11:15:34 +0200 Subject: [PATCH 4806/6244] HID: add appletv IR receiver quirk Similar to the existing IRCONTROL4 handling Signed-off-by: Peter Korsgaard Signed-off-by: Jiri Kosina --- drivers/hid/hid-apple.c | 2 ++ drivers/hid/hid-ids.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index a808e57f23a3..fd7f896b34f7 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -359,6 +359,8 @@ static void apple_remove(struct hid_device *hdev) } static const struct hid_device_id apple_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e68b6d9bcd1a..df9c4f92c4a6 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -84,6 +84,7 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b +#define USB_DEVICE_ID_APPLE_ATV_IRCONTROL 0x8241 #define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242 #define USB_VENDOR_ID_ASUS 0x0b05 -- GitLab From ddbe32491951c092abbd3647fd104e79deb19528 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 12 Oct 2008 00:14:23 +0200 Subject: [PATCH 4807/6244] HID: remove info() macro from usb HID drivers USB should not be having it's own printk macros, so remove info() and use the system-wide standard of dev_info() wherever possible. Signed-off-by: Greg Kroah-Hartman Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 3 ++- drivers/hid/usbhid/usbkbd.c | 9 ++++++--- drivers/hid/usbhid/usbmouse.c | 3 ++- 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 1ae047cd4fa1..34649d251d85 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1109,7 +1109,8 @@ static int __init hid_init(void) retval = usb_register(&hid_driver); if (retval) goto usb_register_fail; - info(DRIVER_VERSION ":" DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return 0; usb_register_fail: diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c index 0caaafe01843..d400afdaf2b3 100644 --- a/drivers/hid/usbhid/usbkbd.c +++ b/drivers/hid/usbhid/usbkbd.c @@ -105,14 +105,16 @@ static void usb_kbd_irq(struct urb *urb) if (usb_kbd_keycode[kbd->old[i]]) input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0); else - info("Unknown key (scancode %#x) released.", kbd->old[i]); + dev_info(&urb->dev->dev, + "Unknown key (scancode %#x) released.\n", kbd->old[i]); } if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) { if (usb_kbd_keycode[kbd->new[i]]) input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1); else - info("Unknown key (scancode %#x) pressed.", kbd->new[i]); + dev_info(&urb->dev->dev, + "Unknown key (scancode %#x) released.\n", kbd->new[i]); } } @@ -352,7 +354,8 @@ static int __init usb_kbd_init(void) { int result = usb_register(&usb_kbd_driver); if (result == 0) - info(DRIVER_VERSION ":" DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return result; } diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c index a89646a3c1fc..72ab4b268096 100644 --- a/drivers/hid/usbhid/usbmouse.c +++ b/drivers/hid/usbhid/usbmouse.c @@ -245,7 +245,8 @@ static int __init usb_mouse_init(void) { int retval = usb_register(&usb_mouse_driver); if (retval == 0) - info(DRIVER_VERSION ":" DRIVER_DESC); + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); return retval; } -- GitLab From 7d89fe12bd21f1383a6a240114221bf31fd71904 Mon Sep 17 00:00:00 2001 From: "From: Greg Kroah-Hartman" Date: Sun, 12 Oct 2008 00:25:51 +0200 Subject: [PATCH 4808/6244] HID: remove warn() macro from usb hid drivers USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: Greg Kroah-Hartman Signed-off-by: Jiri Kosina --- drivers/hid/usbhid/hid-core.c | 17 ++++++++++------- drivers/hid/usbhid/usbkbd.c | 3 ++- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 34649d251d85..1d3b8a394d46 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -213,7 +213,8 @@ static void hid_irq_in(struct urb *urb) hid_io_error(hid); return; default: /* error */ - warn("input irq status %d received", urb->status); + dev_warn(&urb->dev->dev, "input irq status %d " + "received\n", urb->status); } status = usb_submit_urb(urb, GFP_ATOMIC); @@ -327,7 +328,8 @@ static void hid_irq_out(struct urb *urb) case -ENOENT: break; default: /* error */ - warn("output irq status %d received", urb->status); + dev_warn(&urb->dev->dev, "output irq status %d " + "received\n", urb->status); } spin_lock_irqsave(&usbhid->outlock, flags); @@ -380,7 +382,8 @@ static void hid_ctrl(struct urb *urb) case -EPIPE: /* report not available */ break; default: /* error */ - warn("ctrl urb status %d received", urb->status); + dev_warn(&urb->dev->dev, "ctrl urb status %d " + "received\n", urb->status); } if (unplug) @@ -418,7 +421,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { spin_unlock_irqrestore(&usbhid->outlock, flags); - warn("output queue full"); + dev_warn(&hid->dev, "output queue full\n"); return; } @@ -444,7 +447,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { spin_unlock_irqrestore(&usbhid->ctrllock, flags); - warn("control queue full"); + dev_warn(&hid->dev, "control queue full\n"); return; } @@ -482,7 +485,7 @@ static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, un return -1; if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { - warn("event field not found"); + dev_warn(&dev->dev, "event field not found\n"); return -1; } @@ -585,7 +588,7 @@ void usbhid_init_reports(struct hid_device *hid) } if (err) - warn("timeout initializing reports"); + dev_warn(&hid->dev, "timeout initializing reports\n"); } /* diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c index d400afdaf2b3..b342926dd7fc 100644 --- a/drivers/hid/usbhid/usbkbd.c +++ b/drivers/hid/usbhid/usbkbd.c @@ -161,7 +161,8 @@ static void usb_kbd_led(struct urb *urb) struct usb_kbd *kbd = urb->context; if (urb->status) - warn("led urb status %d received", urb->status); + dev_warn(&urb->dev->dev, "led urb status %d received\n", + urb->status); if (*(kbd->leds) == kbd->newleds) return; -- GitLab From 0dc491682f6e673a14c643d9a3e7305ce4616b96 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Oct 2008 11:08:47 -0200 Subject: [PATCH 4809/6244] HID: fix numlock led on Dell device 0x413c/0x2105 This keyboard needs to re-sync numlock after probing. Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 1 + drivers/hid/hid-dell.c | 1 + drivers/hid/hid-ids.h | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5a23077175e6..d749447a682d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1258,6 +1258,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c index 98ee40e8751f..1a0d0dfc62fc 100644 --- a/drivers/hid/hid-dell.c +++ b/drivers/hid/hid-dell.c @@ -47,6 +47,7 @@ err_free: static const struct hid_device_id dell_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, { } }; MODULE_DEVICE_TABLE(hid, dell_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index df9c4f92c4a6..89c5cc169439 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -133,6 +133,7 @@ #define USB_VENDOR_ID_DELL 0x413c #define USB_DEVICE_ID_DELL_W7658 0x2005 +#define USB_DEVICE_ID_DELL_SK8115 0x2105 #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 -- GitLab From ffcf70fb0693f1ab0133f973b5b9c552be766b16 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Oct 2008 22:34:32 +0200 Subject: [PATCH 4810/6244] HID: Don't let Avermedia Radio FM800 be handled by usb hid drivers Based on an original patch from Alexey Klimov , against kernel version 2.6.27. This device is already handled by radio-mr800 driver, and we therefore want usbhid not to touch it. Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 1 + drivers/hid/hid-ids.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index d749447a682d..599846052fe3 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1251,6 +1251,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 89c5cc169439..11afd33cbd6d 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -97,6 +97,9 @@ #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 +#define USB_VENDOR_ID_AVERMEDIA 0x07ca +#define USB_DEVICE_ID_AVER_FM_MR800 0xb800 + #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 -- GitLab From a48c65b35a6f993aec13d18a37f6ea71fbcb0c06 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Oct 2008 22:41:43 +0200 Subject: [PATCH 4811/6244] HID: add support for Bright ABNT2 brazilian device This keyboard needs to reset the LEDS during probe. Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 7 ++++ drivers/hid/Makefile | 1 + drivers/hid/hid-bright.c | 71 ++++++++++++++++++++++++++++++++++++++++ drivers/hid/hid-core.c | 1 + drivers/hid/hid-dummy.c | 3 ++ drivers/hid/hid-ids.h | 3 ++ 6 files changed, 86 insertions(+) create mode 100644 drivers/hid/hid-bright.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index fc4f80c4006c..6d7753be44fc 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -110,6 +110,13 @@ config HID_BELKIN ---help--- Support for Belkin Flip KVM and Wireless keyboard. +config HID_BRIGHT + tristate "Bright" + default m + depends on USB_HID + ---help--- + Support for Bright ABNT-2 keyboard. + config HID_CHERRY tristate "Cherry" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 767f29500716..b09e43e7413e 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -23,6 +23,7 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_BELKIN) += hid-belkin.o +obj-$(CONFIG_HID_BRIGHT) += hid-bright.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o diff --git a/drivers/hid/hid-bright.c b/drivers/hid/hid-bright.c new file mode 100644 index 000000000000..38517a117dfd --- /dev/null +++ b/drivers/hid/hid-bright.c @@ -0,0 +1,71 @@ +/* + * HID driver for some bright "special" devices + * + * Copyright (c) 2008 Mauro Carvalho Chehab + * + * Based on hid-dell driver + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + usbhid_set_leds(hdev); + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id bright_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, + { } +}; +MODULE_DEVICE_TABLE(hid, bright_devices); + +static struct hid_driver bright_driver = { + .name = "bright", + .id_table = bright_devices, + .probe = bright_probe, +}; + +static int bright_init(void) +{ + return hid_register_driver(&bright_driver); +} + +static void bright_exit(void) +{ + hid_unregister_driver(&bright_driver); +} + +module_init(bright_init); +module_exit(bright_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(bright); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 599846052fe3..2cba490fcd51 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1253,6 +1253,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 54d1fb6fd4d8..e148f86fb58e 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -13,6 +13,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_BELKIN_MODULE HID_COMPAT_CALL_DRIVER(belkin); #endif +#ifdef CONFIG_HID_BRIGHT_MODULE + HID_COMPAT_CALL_DRIVER(bright); +#endif #ifdef CONFIG_HID_CHERRY_MODULE HID_COMPAT_CALL_DRIVER(cherry); #endif diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 11afd33cbd6d..aad9ed1b406e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -103,6 +103,9 @@ #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 +#define USB_VENDOR_ID_BRIGHT 0x1241 +#define USB_DEVICE_ID_BRIGHT_ABNT2 0x1503 + #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 -- GitLab From df9bcace7b1c29e9be1c13b034ff04f4f4c90ede Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Tue, 14 Oct 2008 22:45:40 +0200 Subject: [PATCH 4812/6244] HID: add missing blacklist entry for Apple ATV ircontrol This device is already handled by hid-apple driver, but the blacklist entry was missing in generic driver. Reported-by: Jiri Slaby Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 2cba490fcd51..8a7d9dbb4d07 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1221,6 +1221,7 @@ EXPORT_SYMBOL_GPL(hid_connect); static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, -- GitLab From 9be7bbd54df3c9c393ccd19acc49f90c517d1291 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Tue, 14 Oct 2008 23:37:33 +0200 Subject: [PATCH 4813/6244] HID: build drivers for all quirky devices by default Once kernel configuration has CONFIG_HID turned on, let also all the specialized drivers for quirky devices to be built (unless CONFIG_EMBEDDED is specified), as usually users don't care that much which driver gives them the functionality, but when they want generic support, they probably want to have support for all the quirky devices as well. Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 6d7753be44fc..da64108de775 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -17,6 +17,25 @@ config HID tristate "Generic HID support" depends on INPUT default y + select HID_A4TECH if !EMBEDDED + select HID_APPLE if !EMBEDDED + select HID_BELKIN if !EMBEDDED + select HID_BRIGHT if !EMBEDDED + select HID_CHERRY if !EMBEDDED + select HID_CHICONY if !EMBEDDED + select HID_CYPRESS if !EMBEDDED + select HID_DELL if !EMBEDDED + select HID_EZKEY if !EMBEDDED + select HID_GYRATION if !EMBEDDED + select HID_LOGITECH if !EMBEDDED + select HID_MICROSOFT if !EMBEDDED + select HID_MONTEREY if !EMBEDDED + select HID_PANTHERLORD if !EMBEDDED + select HID_PETALYNX if !EMBEDDED + select HID_SAMSUNG if !EMBEDDED + select HID_SONY if !EMBEDDED + select HID_SUNPLUS if !EMBEDDED + ---help--- A human interface device (HID) is a type of computer device that interacts directly with and takes input from humans. The term "HID" -- GitLab From a474aaedac99ba86e28ef6c912a7647c482db6dd Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 14 Oct 2008 13:50:21 -0600 Subject: [PATCH 4814/6244] rtc-cmos: move wake setup from ACPI glue into RTC driver Move rtc_wake_setup() from drivers/acpi/glue.c into the RTC driver in drivers/rtc/rtc-cmos.c. This removes the ordering constraint between the module_init(acpi_rtc_init) and the cmos_do_probe() code that depends on it. Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki Signed-off-by: Linus Torvalds --- drivers/acpi/glue.c | 112 ----------------------------------------- drivers/rtc/rtc-cmos.c | 89 ++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 112 deletions(-) diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 3c578ef78c48..24649ada08df 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -260,115 +260,3 @@ static int __init init_acpi_device_notify(void) } arch_initcall(init_acpi_device_notify); - - -#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) - -#ifdef CONFIG_PM -static u32 rtc_handler(void *context) -{ - acpi_clear_event(ACPI_EVENT_RTC); - acpi_disable_event(ACPI_EVENT_RTC, 0); - return ACPI_INTERRUPT_HANDLED; -} - -static inline void rtc_wake_setup(void) -{ - acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); - /* - * After the RTC handler is installed, the Fixed_RTC event should - * be disabled. Only when the RTC alarm is set will it be enabled. - */ - acpi_clear_event(ACPI_EVENT_RTC); - acpi_disable_event(ACPI_EVENT_RTC, 0); -} - -static void rtc_wake_on(struct device *dev) -{ - acpi_clear_event(ACPI_EVENT_RTC); - acpi_enable_event(ACPI_EVENT_RTC, 0); -} - -static void rtc_wake_off(struct device *dev) -{ - acpi_disable_event(ACPI_EVENT_RTC, 0); -} -#else -#define rtc_wake_setup() do{}while(0) -#define rtc_wake_on NULL -#define rtc_wake_off NULL -#endif - -/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find - * its device node and pass extra config data. This helps its driver use - * capabilities that the now-obsolete mc146818 didn't have, and informs it - * that this board's RTC is wakeup-capable (per ACPI spec). - */ -#include - -static struct cmos_rtc_board_info rtc_info; - - -/* PNP devices are registered in a subsys_initcall(); - * ACPI specifies the PNP IDs to use. - */ -#include - -static int __init pnp_match(struct device *dev, void *data) -{ - static const char *ids[] = { "PNP0b00", "PNP0b01", "PNP0b02", }; - struct pnp_dev *pnp = to_pnp_dev(dev); - int i; - - for (i = 0; i < ARRAY_SIZE(ids); i++) { - if (compare_pnp_id(pnp->id, ids[i]) != 0) - return 1; - } - return 0; -} - -static struct device *__init get_rtc_dev(void) -{ - return bus_find_device(&pnp_bus_type, NULL, NULL, pnp_match); -} - -static int __init acpi_rtc_init(void) -{ - struct device *dev = get_rtc_dev(); - - if (acpi_disabled) - return 0; - - if (dev) { - rtc_wake_setup(); - rtc_info.wake_on = rtc_wake_on; - rtc_info.wake_off = rtc_wake_off; - - /* workaround bug in some ACPI tables */ - if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) { - DBG("bogus FADT month_alarm\n"); - acpi_gbl_FADT.month_alarm = 0; - } - - rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm; - rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm; - rtc_info.rtc_century = acpi_gbl_FADT.century; - - /* NOTE: S4_RTC_WAKE is NOT currently useful to Linux */ - if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE) - printk(PREFIX "RTC can wake from S4\n"); - - - dev->platform_data = &rtc_info; - - /* RTC always wakes from S1/S2/S3, and often S4/STD */ - device_init_wakeup(dev, 1); - - put_device(dev); - } else - DBG("RTC unavailable?\n"); - return 0; -} -module_init(acpi_rtc_init); - -#endif diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index b23af0c2a869..6778f82bad24 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -913,6 +913,92 @@ static inline int cmos_poweroff(struct device *dev) * predate even PNPBIOS should set up platform_bus devices. */ +#ifdef CONFIG_ACPI + +#include + +#ifdef CONFIG_PM +static u32 rtc_handler(void *context) +{ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_disable_event(ACPI_EVENT_RTC, 0); + return ACPI_INTERRUPT_HANDLED; +} + +static inline void rtc_wake_setup(void) +{ + acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); + /* + * After the RTC handler is installed, the Fixed_RTC event should + * be disabled. Only when the RTC alarm is set will it be enabled. + */ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_disable_event(ACPI_EVENT_RTC, 0); +} + +static void rtc_wake_on(struct device *dev) +{ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_enable_event(ACPI_EVENT_RTC, 0); +} + +static void rtc_wake_off(struct device *dev) +{ + acpi_disable_event(ACPI_EVENT_RTC, 0); +} +#else +#define rtc_wake_setup() do{}while(0) +#define rtc_wake_on NULL +#define rtc_wake_off NULL +#endif + +/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find + * its device node and pass extra config data. This helps its driver use + * capabilities that the now-obsolete mc146818 didn't have, and informs it + * that this board's RTC is wakeup-capable (per ACPI spec). + */ +static struct cmos_rtc_board_info acpi_rtc_info; + +static void __devinit +cmos_wake_setup(struct device *dev) +{ + if (acpi_disabled) + return; + + rtc_wake_setup(); + acpi_rtc_info.wake_on = rtc_wake_on; + acpi_rtc_info.wake_off = rtc_wake_off; + + /* workaround bug in some ACPI tables */ + if (acpi_gbl_FADT.month_alarm && !acpi_gbl_FADT.day_alarm) { + dev_dbg(dev, "bogus FADT month_alarm (%d)\n", + acpi_gbl_FADT.month_alarm); + acpi_gbl_FADT.month_alarm = 0; + } + + acpi_rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm; + acpi_rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm; + acpi_rtc_info.rtc_century = acpi_gbl_FADT.century; + + /* NOTE: S4_RTC_WAKE is NOT currently useful to Linux */ + if (acpi_gbl_FADT.flags & ACPI_FADT_S4_RTC_WAKE) + dev_info(dev, "RTC can wake from S4\n"); + + dev->platform_data = &acpi_rtc_info; + + /* RTC always wakes from S1/S2/S3, and often S4/STD */ + device_init_wakeup(dev, 1); +} + +#else + +static void __devinit +cmos_wake_setup(struct device *dev) +{ +} + +#endif + #ifdef CONFIG_PNP #include @@ -920,6 +1006,8 @@ static inline int cmos_poweroff(struct device *dev) static int __devinit cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { + cmos_wake_setup(&pnp->dev); + if (pnp_port_start(pnp,0) == 0x70 && !pnp_irq_valid(pnp,0)) /* Some machines contain a PNP entry for the RTC, but * don't define the IRQ. It should always be safe to @@ -997,6 +1085,7 @@ static struct pnp_driver cmos_pnp_driver = { static int __init cmos_platform_probe(struct platform_device *pdev) { + cmos_wake_setup(&pdev->dev); return cmos_do_probe(&pdev->dev, platform_get_resource(pdev, IORESOURCE_IO, 0), platform_get_irq(pdev, 0)); -- GitLab From eef2622a9fcfa964073333ea72c7c9cd20ad45e6 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Sun, 12 Oct 2008 21:51:31 +0000 Subject: [PATCH 4815/6244] hvc_console: Fix free_irq in spinlocked section commit 611e097d7707741a336a0677d9d69bec40f29f3d Author: Christian Borntraeger hvc_console: rework setup to replace irq functions with callbacks introduced a spinlock recursion problem. The notifier_del is called with a lock held, and in turns calls free_irq which then complains when manipulating procfs. This fixes it by moving the call to the notifier to outside of the locked section. Signed-off-by: Christian Borntraeger Signed-off-by: Benjamin Herrenschmidt --- drivers/char/hvc_console.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index fd64137b1ab9..f2e4caf70599 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -367,13 +367,13 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) spin_lock_irqsave(&hp->lock, flags); if (--hp->count == 0) { - if (hp->ops->notifier_del) - hp->ops->notifier_del(hp, hp->data); - /* We are done with the tty pointer now. */ hp->tty = NULL; spin_unlock_irqrestore(&hp->lock, flags); + if (hp->ops->notifier_del) + hp->ops->notifier_del(hp, hp->data); + /* * Chain calls chars_in_buffer() and returns immediately if * there is no buffered data otherwise sleeps on a wait queue @@ -416,11 +416,11 @@ static void hvc_hangup(struct tty_struct *tty) hp->n_outbuf = 0; hp->tty = NULL; + spin_unlock_irqrestore(&hp->lock, flags); + if (hp->ops->notifier_del) hp->ops->notifier_del(hp, hp->data); - spin_unlock_irqrestore(&hp->lock, flags); - while(temp_open_count) { --temp_open_count; kref_put(&hp->kref, destroy_hvc_struct); -- GitLab From b556151110ff003ce77d84597400c84824690ccf Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 13:56:31 +0000 Subject: [PATCH 4816/6244] powerpc/pci: Improve detection of unassigned bridge resources When the powerpc PCI layer is not configured to re-assign everything, it currently fails to detect that a PCI to PCI bridge has been left unassigned by the firmware and tries to allocate resource for the default window values in the bridge (0...X) (with the notable exception of a hack we have in there that detects some Apple firmware unassigned bridge resources). This results in resource allocation failures, which are generally fixed up later on but it causes scary warnings in the logs and we have seen the fixup code fall over in some circumstances (a different issue to fix as well). This code improves that by providing a more complete & useful function to intuit that a bridge was left unassigned by the firmware, and thus force a full re-allocation by the PCI code without trying to allocate the existing useless resources first. The algorithm we use basically considers unassigned a window that starts at 0 (PCI address) if the corresponding address space enable bit is not set. In addition, for memory space, it considers such a resource unassigned also if the host bridge isn't configured to forward cycles to address 0 (ie, the resource basically overlaps main memory). This fixes a range of problems with things like Bare-Metal support on pSeries machines, or attempt to use partial firmware PCI setup. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/pci-common.c | 163 ++++++++++++++++++++++--------- 1 file changed, 116 insertions(+), 47 deletions(-) diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 8c0270929cc0..01ce8c38bae6 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -780,11 +780,6 @@ static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev) res->start = (res->start + offset) & mask; res->end = (res->end + offset) & mask; - - pr_debug("PCI:%s %016llx-%016llx\n", - pci_name(dev), - (unsigned long long)res->start, - (unsigned long long)res->end); } @@ -830,6 +825,11 @@ static void __devinit pcibios_fixup_resources(struct pci_dev *dev) (unsigned int)res->flags); fixup_resource(res, dev); + + pr_debug("PCI:%s %016llx-%016llx\n", + pci_name(dev), + (unsigned long long)res->start, + (unsigned long long)res->end); } /* Call machine specific resource fixup */ @@ -838,58 +838,127 @@ static void __devinit pcibios_fixup_resources(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources); -static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) +/* This function tries to figure out if a bridge resource has been initialized + * by the firmware or not. It doesn't have to be absolutely bullet proof, but + * things go more smoothly when it gets it right. It should covers cases such + * as Apple "closed" bridge resources and bare-metal pSeries unassigned bridges + */ +static int __devinit pcibios_uninitialized_bridge_resource(struct pci_bus *bus, + struct resource *res) { struct pci_controller *hose = pci_bus_to_host(bus); struct pci_dev *dev = bus->self; + resource_size_t offset; + u16 command; + int i; - pr_debug("PCI: Fixup bus %d (%s)\n", bus->number, dev ? pci_name(dev) : "PHB"); + /* We don't do anything if PCI_PROBE_ONLY is set */ + if (ppc_pci_flags & PPC_PCI_PROBE_ONLY) + return 0; - /* Fixup PCI<->PCI bridges. Host bridges are handled separately, for - * now differently between 32 and 64 bits. - */ - if (dev != NULL) { - struct resource *res; - int i; + /* Job is a bit different between memory and IO */ + if (res->flags & IORESOURCE_MEM) { + /* If the BAR is non-0 (res != pci_mem_offset) then it's probably been + * initialized by somebody + */ + if (res->start != hose->pci_mem_offset) + return 0; - for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { - if ((res = bus->resource[i]) == NULL) - continue; - if (!res->flags) - continue; - if (i >= 3 && bus->self->transparent) - continue; - /* On PowerMac, Apple leaves bridge windows open over - * an inaccessible region of memory space (0...fffff) - * which is somewhat bogus, but that's what they think - * means disabled... - * - * We clear those to force them to be reallocated later - * - * We detect such regions by the fact that the base is - * equal to the pci_mem_offset of the host bridge and - * their size is smaller than 1M. - */ - if (res->flags & IORESOURCE_MEM && - res->start == hose->pci_mem_offset && - res->end < 0x100000) { - printk(KERN_INFO - "PCI: Closing bogus Apple Firmware" - " region %d on bus 0x%02x\n", - i, bus->number); - res->flags = 0; - continue; - } + /* The BAR is 0, let's check if memory decoding is enabled on + * the bridge. If not, we consider it unassigned + */ + pci_read_config_word(dev, PCI_COMMAND, &command); + if ((command & PCI_COMMAND_MEMORY) == 0) + return 1; - pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x] fixup...\n", - pci_name(dev), i, - (unsigned long long)res->start,\ - (unsigned long long)res->end, - (unsigned int)res->flags); + /* Memory decoding is enabled and the BAR is 0. If any of the bridge + * resources covers that starting address (0 then it's good enough for + * us for memory + */ + for (i = 0; i < 3; i++) { + if ((hose->mem_resources[i].flags & IORESOURCE_MEM) && + hose->mem_resources[i].start == hose->pci_mem_offset) + return 0; + } + + /* Well, it starts at 0 and we know it will collide so we may as + * well consider it as unassigned. That covers the Apple case. + */ + return 1; + } else { + /* If the BAR is non-0, then we consider it assigned */ + offset = (unsigned long)hose->io_base_virt - _IO_BASE; + if (((res->start - offset) & 0xfffffffful) != 0) + return 0; + + /* Here, we are a bit different than memory as typically IO space + * starting at low addresses -is- valid. What we do instead if that + * we consider as unassigned anything that doesn't have IO enabled + * in the PCI command register, and that's it. + */ + pci_read_config_word(dev, PCI_COMMAND, &command); + if (command & PCI_COMMAND_IO) + return 0; + + /* It's starting at 0 and IO is disabled in the bridge, consider + * it unassigned + */ + return 1; + } +} + +/* Fixup resources of a PCI<->PCI bridge */ +static void __devinit pcibios_fixup_bridge(struct pci_bus *bus) +{ + struct resource *res; + int i; + + struct pci_dev *dev = bus->self; - fixup_resource(res, dev); + for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) { + if ((res = bus->resource[i]) == NULL) + continue; + if (!res->flags) + continue; + if (i >= 3 && bus->self->transparent) + continue; + + pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x] fixup...\n", + pci_name(dev), i, + (unsigned long long)res->start,\ + (unsigned long long)res->end, + (unsigned int)res->flags); + + /* Perform fixup */ + fixup_resource(res, dev); + + /* Try to detect uninitialized P2P bridge resources, + * and clear them out so they get re-assigned later + */ + if (pcibios_uninitialized_bridge_resource(bus, res)) { + res->flags = 0; + pr_debug("PCI:%s (unassigned)\n", pci_name(dev)); + } else { + + pr_debug("PCI:%s %016llx-%016llx\n", + pci_name(dev), + (unsigned long long)res->start, + (unsigned long long)res->end); } } +} + +static void __devinit __pcibios_fixup_bus(struct pci_bus *bus) +{ + struct pci_dev *dev = bus->self; + + pr_debug("PCI: Fixup bus %d (%s)\n", bus->number, dev ? pci_name(dev) : "PHB"); + + /* Fixup PCI<->PCI bridges. Host bridges are handled separately, for + * now differently between 32 and 64 bits. + */ + if (dev != NULL) + pcibios_fixup_bridge(bus); /* Additional setup that is different between 32 and 64 bits for now */ pcibios_do_bus_setup(bus); -- GitLab From 7b6b574ca7d5d5ba6ae7155c1fb877cc7130eff7 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 17:51:46 +0000 Subject: [PATCH 4817/6244] powerpc: Fix link errors on 32-bit machines using legacy DMA The new merged DMA code will try to access isa_bridge_pcidev when trying to DMA to/from legacy devices. This is however only defined on 64-bit. Fixes this for now by adding the variable, even if it stays NULL. In the long run, we'll make isa-bridge.c common to 32 and 64-bit. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/pci_32.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index a848c6360bd1..131b1dfa68c6 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -53,6 +53,12 @@ LIST_HEAD(hose_list); static int pci_bus_count; +/* This will remain NULL for now, until isa-bridge.c is made common + * to both 32-bit and 64-bit. + */ +struct pci_dev *isa_bridge_pcidev; +EXPORT_SYMBOL_GPL(isa_bridge_pcidev); + static void fixup_hide_host_resource_fsl(struct pci_dev *dev) { -- GitLab From 2bda347bc53fe2cacd5621d8a0426840a8d2a6a6 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 18:38:48 +0000 Subject: [PATCH 4818/6244] powerpc: Fix 32-bit SMP boot on CHRP prom_init was changed to take a new argument, the address where the kernel is loaded, which is now used to copy the SMP spin loop down before use. However, only head_64.S was adapted to pass this new value, not head_32.S, thus breaking SMP boot on 32-bit SMP CHRP machines. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/head_32.S | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a6de6dbc5ed8..0c326823c6d4 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -110,6 +110,12 @@ __start: #ifdef CONFIG_PPC_MULTIPLATFORM cmpwi 0,r5,0 beq 1f + + /* find out where we are now */ + bcl 20,31,$+4 +0: mflr r8 /* r8 = runtime addr here */ + addis r8,r8,(_stext - 0b)@ha + addi r8,r8,(_stext - 0b)@l /* current runtime base addr */ bl prom_init trap #endif -- GitLab From 22007a165d2da38686d528f3af5c5d8b6713728c Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 20:14:09 +0000 Subject: [PATCH 4819/6244] powerpc/chrp: Fix detection of Python PCI host bridge on IBM CHRPs The detection of the IBM "Python" PCI host bridge on IBM CHRP machines such as old RS6000 was broken when we changed of_device_is_compatible() from strncasecmp to strcasecmp (dropped the "n" variant) due to the way IBM encodes the chip version. We fix that by instead doing a match on the model property like we do for others bridges in that file. It should be good enough for those machines. If yours is still broken, let me know. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/chrp/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 768c262b9368..68e49b24df94 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -266,7 +266,7 @@ chrp_find_bridges(void) model = of_get_property(dev, "model", NULL); if (model == NULL) model = ""; - if (of_device_is_compatible(dev, "IBM,python")) { + if (strncmp(model, "IBM, Python", 11) == 0) { setup_python(hose, dev); } else if (is_mot || strncmp(model, "Motorola, Grackle", 17) == 0) { -- GitLab From ee673eaa72d8d185012b1027a05e25aba18c267f Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 13 Oct 2008 20:49:47 +0000 Subject: [PATCH 4820/6244] powerpc: Fix CHRP PCI config access for indirect_pci Recently, indirect_pci was changed to test if the bus number requested is the one hanging straight off the PHB, then it substitutes the bus number with another one contained in a new "self_busno" field of the pci_controller structure. However, this breaks CHRP which didn't initialize this new field, and which relies on having the right bus number passed to the hardware. This fixes it by initializing this variable properly for all CHRP bridges Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/chrp/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 68e49b24df94..d3cde6b9d2df 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -260,7 +260,7 @@ chrp_find_bridges(void) dev->full_name); continue; } - hose->first_busno = bus_range[0]; + hose->first_busno = hose->self_busno = bus_range[0]; hose->last_busno = bus_range[1]; model = of_get_property(dev, "model", NULL); -- GitLab From 921615f111108258820226a3258a047d9bf1d96a Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 14 Oct 2008 19:23:07 -0400 Subject: [PATCH 4821/6244] NFS: Changes to inode->i_nlinks must set the NFS_INO_INVALID_ATTR flag Signed-off-by: Trond Myklebust --- fs/nfs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 6554281e24a2..de3f11e6234e 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1141,6 +1141,9 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) inode->i_gid != fattr->gid) invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; + if (inode->i_nlink != fattr->nlink) + invalid |= NFS_INO_INVALID_ATTR; + inode->i_mode = fattr->mode; inode->i_nlink = fattr->nlink; inode->i_uid = fattr->uid; -- GitLab From 4704f0e274829e3af00737d2d9adace2d71a9605 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 14 Oct 2008 19:16:07 -0400 Subject: [PATCH 4822/6244] NFS: Fix the resolution problem with nfs_inode_attrs_need_update() It appears that 'jiffies' timestamps do not have high enough resolution for nfs_inode_attrs_need_update(). One problem is that a GETATTR can be launched within < 1 jiffy of the last operation that updated the attribute. Another problem is that RPC calls can take < 1 jiffy to execute. We can fix this by switching the variables to use a simple global counter that gets incremented every time we start another GETATTR call. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 14 ++++++++++---- fs/nfs/inode.c | 37 ++++++++++++++++++++++++++++++------- include/linux/nfs_fs.h | 10 +++------- include/linux/nfs_xdr.h | 1 + 4 files changed, 44 insertions(+), 18 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 49d565412827..4807074ada8c 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -156,6 +156,7 @@ typedef struct { decode_dirent_t decode; int plus; unsigned long timestamp; + unsigned long gencount; int timestamp_valid; } nfs_readdir_descriptor_t; @@ -177,7 +178,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) struct file *file = desc->file; struct inode *inode = file->f_path.dentry->d_inode; struct rpc_cred *cred = nfs_file_cred(file); - unsigned long timestamp; + unsigned long timestamp, gencount; int error; dfprintk(DIRCACHE, "NFS: %s: reading cookie %Lu into page %lu\n", @@ -186,6 +187,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) again: timestamp = jiffies; + gencount = nfs_inc_attr_generation_counter(); error = NFS_PROTO(inode)->readdir(file->f_path.dentry, cred, desc->entry->cookie, page, NFS_SERVER(inode)->dtsize, desc->plus); if (error < 0) { @@ -199,6 +201,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page) goto error; } desc->timestamp = timestamp; + desc->gencount = gencount; desc->timestamp_valid = 1; SetPageUptodate(page); /* Ensure consistent page alignment of the data. @@ -224,9 +227,10 @@ int dir_decode(nfs_readdir_descriptor_t *desc) if (IS_ERR(p)) return PTR_ERR(p); desc->ptr = p; - if (desc->timestamp_valid) + if (desc->timestamp_valid) { desc->entry->fattr->time_start = desc->timestamp; - else + desc->entry->fattr->gencount = desc->gencount; + } else desc->entry->fattr->valid &= ~NFS_ATTR_FATTR; return 0; } @@ -471,7 +475,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, struct rpc_cred *cred = nfs_file_cred(file); struct page *page = NULL; int status; - unsigned long timestamp; + unsigned long timestamp, gencount; dfprintk(DIRCACHE, "NFS: uncached_readdir() searching for cookie %Lu\n", (unsigned long long)*desc->dir_cookie); @@ -482,6 +486,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, goto out; } timestamp = jiffies; + gencount = nfs_inc_attr_generation_counter(); status = NFS_PROTO(inode)->readdir(file->f_path.dentry, cred, *desc->dir_cookie, page, NFS_SERVER(inode)->dtsize, @@ -490,6 +495,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent, desc->ptr = kmap(page); /* matching kunmap in nfs_do_filldir */ if (status >= 0) { desc->timestamp = timestamp; + desc->gencount = gencount; desc->timestamp_valid = 1; if ((status = dir_decode(desc)) == 0) desc->entry->prev_cookie = *desc->dir_cookie; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index de3f11e6234e..116a3bd2bc9b 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -305,7 +305,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) init_special_inode(inode, inode->i_mode, fattr->rdev); nfsi->read_cache_jiffies = fattr->time_start; - nfsi->last_updated = now; + nfsi->attr_gencount = fattr->gencount; nfsi->cache_change_attribute = now; inode->i_atime = fattr->atime; inode->i_mtime = fattr->mtime; @@ -909,6 +909,30 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt return nfs_size_to_loff_t(fattr->size) > i_size_read(inode); } +static unsigned long nfs_attr_generation_counter; + +static unsigned long nfs_read_attr_generation_counter(void) +{ + smp_rmb(); + return nfs_attr_generation_counter; +} + +unsigned long nfs_inc_attr_generation_counter(void) +{ + unsigned long ret; + smp_rmb(); + ret = ++nfs_attr_generation_counter; + smp_wmb(); + return ret; +} + +void nfs_fattr_init(struct nfs_fattr *fattr) +{ + fattr->valid = 0; + fattr->time_start = jiffies; + fattr->gencount = nfs_inc_attr_generation_counter(); +} + /** * nfs_inode_attrs_need_update - check if the inode attributes need updating * @inode - pointer to inode @@ -922,8 +946,7 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt * catch the case where ctime either didn't change, or went backwards * (if someone reset the clock on the server) by looking at whether * or not this RPC call was started after the inode was last updated. - * Note also the check for jiffy wraparound if the last_updated timestamp - * is later than 'jiffies'. + * Note also the check for wraparound of 'attr_gencount' * * The function returns 'true' if it thinks the attributes in 'fattr' are * more recent than the ones cached in the inode. @@ -933,10 +956,10 @@ static int nfs_inode_attrs_need_update(const struct inode *inode, const struct n { const struct nfs_inode *nfsi = NFS_I(inode); - return time_after(fattr->time_start, nfsi->last_updated) || + return ((long)fattr->gencount - (long)nfsi->attr_gencount) > 0 || nfs_ctime_need_update(inode, fattr) || nfs_size_need_update(inode, fattr) || - time_after(nfsi->last_updated, jiffies); + ((long)nfsi->attr_gencount - (long)nfs_read_attr_generation_counter() > 0); } static int nfs_refresh_inode_locked(struct inode *inode, struct nfs_fattr *fattr) @@ -1107,7 +1130,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) } /* If ctime has changed we should definitely clear access+acl caches */ if (!timespec_equal(&inode->i_ctime, &fattr->ctime)) - invalid |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; + invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; } else if (nfsi->change_attr != fattr->change_attr) { dprintk("NFS: change_attr change on server for file %s/%ld\n", inode->i_sb->s_id, inode->i_ino); @@ -1163,7 +1186,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfs_inc_stats(inode, NFSIOS_ATTRINVALIDATE); nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); nfsi->attrtimeo_timestamp = now; - nfsi->last_updated = now; + nfsi->attr_gencount = nfs_inc_attr_generation_counter(); } else { if (!time_in_range(now, nfsi->attrtimeo_timestamp, nfsi->attrtimeo_timestamp + nfsi->attrtimeo)) { if ((nfsi->attrtimeo <<= 1) > NFS_MAXATTRTIMEO(inode)) diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index ca563ee13e32..ac8d0233b05c 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -137,7 +137,7 @@ struct nfs_inode { unsigned long attrtimeo_timestamp; __u64 change_attr; /* v4 only */ - unsigned long last_updated; + unsigned long attr_gencount; /* "Generation counter" for the attribute cache. This is * bumped whenever we update the metadata on the * server. @@ -344,15 +344,11 @@ extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ct extern void put_nfs_open_context(struct nfs_open_context *ctx); extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, int mode); extern u64 nfs_compat_user_ino64(u64 fileid); +extern void nfs_fattr_init(struct nfs_fattr *fattr); /* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */ extern __be32 root_nfs_parse_addr(char *name); /*__init*/ - -static inline void nfs_fattr_init(struct nfs_fattr *fattr) -{ - fattr->valid = 0; - fattr->time_start = jiffies; -} +extern unsigned long nfs_inc_attr_generation_counter(void); /* * linux/fs/nfs/file.c diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 6ee6ae3f095c..c1c31acb8a2b 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -56,6 +56,7 @@ struct nfs_fattr { __u64 change_attr; /* NFSv4 change attribute */ __u64 pre_change_attr;/* pre-op NFSv4 change attribute */ unsigned long time_start; + unsigned long gencount; }; #define NFS_ATTR_WCC 0x0001 /* pre-op WCC data */ -- GitLab From 011935a0a710c20bb7ae63523b78856848db1926 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 14 Oct 2008 19:24:50 -0400 Subject: [PATCH 4823/6244] NFS: Fix a resolution problem with nfs_inode->cache_change_attribute The cache_change_attribute is used to decide whether or not a directory has changed, in which case we may need to look it up again. Again, the use of 'jiffies' leads to an issue of resolution. Once again, the fix is to change nfs_inode->cache_change_attribute, and just make it a simple counter. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 2 +- fs/nfs/inode.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 4807074ada8c..2ab70d46ecbc 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -661,7 +661,7 @@ static int nfs_fsync_dir(struct file *filp, struct dentry *dentry, int datasync) */ void nfs_force_lookup_revalidate(struct inode *dir) { - NFS_I(dir)->cache_change_attribute = jiffies; + NFS_I(dir)->cache_change_attribute++; } /* diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 116a3bd2bc9b..b9195c02a863 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -306,7 +306,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) nfsi->read_cache_jiffies = fattr->time_start; nfsi->attr_gencount = fattr->gencount; - nfsi->cache_change_attribute = now; inode->i_atime = fattr->atime; inode->i_mtime = fattr->mtime; inode->i_ctime = fattr->ctime; -- GitLab From 758a7f7bb86b520aadc484f23da85e547b3bf3d8 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 14 Oct 2008 17:01:03 -0600 Subject: [PATCH 4824/6244] x86: register a platform RTC device if PNP doesn't describe it Most if not all x86 platforms have an RTC device, but sometimes the RTC is not exposed as a PNP0b00/PNP0b01/PNP0b02 device in PNPBIOS or ACPI: http://bugzilla.kernel.org/show_bug.cgi?id=11580 https://bugzilla.redhat.com/show_bug.cgi?id=451188 It's best if we can discover the RTC via PNP because then we know which flavor of device it is, where it lives, and which IRQ it uses. But if we can't, we should register a platform device using the compiled-in RTC_PORT/RTC_IRQ resource assumptions. Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki Acked-by: David Brownell Reported-by: Rik Theys Reported-by: shr_msn@yahoo.com.tw Signed-off-by: Linus Torvalds --- arch/x86/kernel/rtc.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c index 05191bbc68b8..0a23b5795b25 100644 --- a/arch/x86/kernel/rtc.c +++ b/arch/x86/kernel/rtc.c @@ -223,11 +223,25 @@ static struct platform_device rtc_device = { static __init int add_rtc_cmos(void) { #ifdef CONFIG_PNP - if (!pnp_platform_devices) - platform_device_register(&rtc_device); -#else + static const char *ids[] __initconst = + { "PNP0b00", "PNP0b01", "PNP0b02", }; + struct pnp_dev *dev; + struct pnp_id *id; + int i; + + pnp_for_each_dev(dev) { + for (id = dev->id; id; id = id->next) { + for (i = 0; i < ARRAY_SIZE(ids); i++) { + if (compare_pnp_id(id, ids[i]) != 0) + return 0; + } + } + } +#endif + platform_device_register(&rtc_device); -#endif /* CONFIG_PNP */ + dev_info(&rtc_device.dev, + "registered platform RTC device (no PNP device found)\n"); return 0; } device_initcall(add_rtc_cmos); -- GitLab From 72f22b1eb6ca5e4676a632a04d40d46cb61d4562 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 14 Oct 2008 17:01:59 -0600 Subject: [PATCH 4825/6244] rtc-cmos: look for PNP RTC first, then for platform RTC We shouldn't rely on "pnp_platform_devices" to tell us whether there is a PNP RTC device. I introduced "pnp_platform_devices", but I think it was a mistake. All it tells us is whether we found any PNPBIOS or PNPACPI devices. Many machines have some PNP devices, but do not describe the RTC via PNP. On those machines, we need to do the platform driver probe to find the RTC. We should just register the PNP driver and see whether it claims anything. If we don't find a PNP RTC, fall back to the platform driver probe. This (in conjunction with the arch/x86/kernel/rtc.c patch to add a platform RTC device when PNP doesn't have one) should resolve these issues: http://bugzilla.kernel.org/show_bug.cgi?id=11580 https://bugzilla.redhat.com/show_bug.cgi?id=451188 Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki Acked-by: David Brownell Reported-by: Rik Theys Reported-by: shr_msn@yahoo.com.tw Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-cmos.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 6778f82bad24..963ad0b6a4e9 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1120,29 +1120,32 @@ static struct platform_driver cmos_platform_driver = { static int __init cmos_init(void) { + int retval = 0; + #ifdef CONFIG_PNP - if (pnp_platform_devices) - return pnp_register_driver(&cmos_pnp_driver); - else - return platform_driver_probe(&cmos_platform_driver, - cmos_platform_probe); -#else - return platform_driver_probe(&cmos_platform_driver, - cmos_platform_probe); -#endif /* CONFIG_PNP */ + pnp_register_driver(&cmos_pnp_driver); +#endif + + if (!cmos_rtc.dev) + retval = platform_driver_probe(&cmos_platform_driver, + cmos_platform_probe); + + if (retval == 0) + return 0; + +#ifdef CONFIG_PNP + pnp_unregister_driver(&cmos_pnp_driver); +#endif + return retval; } module_init(cmos_init); static void __exit cmos_exit(void) { #ifdef CONFIG_PNP - if (pnp_platform_devices) - pnp_unregister_driver(&cmos_pnp_driver); - else - platform_driver_unregister(&cmos_platform_driver); -#else + pnp_unregister_driver(&cmos_pnp_driver); +#endif platform_driver_unregister(&cmos_platform_driver); -#endif /* CONFIG_PNP */ } module_exit(cmos_exit); -- GitLab From 746db510395e32ff57b9f8582e520df6b3fac618 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Fri, 10 Oct 2008 14:16:46 -0400 Subject: [PATCH 4826/6244] rtl8187: add device ID 0bda:8198 Reported by zOOmER.gm@gmail.com to work here: http://bugzilla.kernel.org/show_bug.cgi?id=11728 Signed-off-by: John W. Linville --- drivers/net/wireless/rtl8187_dev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index e9902613e2ee..782327767278 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -37,6 +37,7 @@ static struct usb_device_id rtl8187_table[] __devinitdata = { {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187}, {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B}, {USB_DEVICE(0x0bda, 0x8197), .driver_info = DEVICE_RTL8187B}, + {USB_DEVICE(0x0bda, 0x8198), .driver_info = DEVICE_RTL8187B}, /* Netgear */ {USB_DEVICE(0x0846, 0x6100), .driver_info = DEVICE_RTL8187}, {USB_DEVICE(0x0846, 0x6a00), .driver_info = DEVICE_RTL8187}, -- GitLab From 45527c2c4f698f8927239cfdec9f515cafed5f10 Mon Sep 17 00:00:00 2001 From: Rami Rosen Date: Tue, 7 Oct 2008 09:50:01 +0200 Subject: [PATCH 4827/6244] iwlwifi: fix compilation warning when CONFIG_IWLWIFI_DEBUG is not set. When CONFIG_IWLWIFI_DEBUG is not set and CONFIG_IWLWIFI is set, we get this compilation warning: /wireless-next-2.6/drivers/net/wireless/iwlwifi/iwl-agn-rs.c: In function 'rs_free_sta': /wireless-next-2.6/drivers/net/wireless/iwlwifi/iwl-agn-rs.c:2425: warning: unused variable 'priv' This patch fixes it by adding __maybe_unused attribute. Signed-off-by: Rami Rosen Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 93944de923ca..e2a58e477036 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -2422,7 +2422,7 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, void *priv_sta) { struct iwl_lq_sta *lq_sta = priv_sta; - struct iwl_priv *priv = priv_r; + struct iwl_priv *priv __maybe_unused = priv_r; IWL_DEBUG_RATE("enter\n"); kfree(lq_sta); -- GitLab From 63044e9f54b6bac50d2380bf4d14f63e9e7de72b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 7 Oct 2008 12:04:29 +0200 Subject: [PATCH 4828/6244] mac80211: fix debugfs lockup When debugfs_create_dir fails, sta_info_debugfs_add_work will not terminate because it will find the same station again and again. This is possible whenever debugfs fails for whatever reason; one reason is a race condition in mac80211, unfortunately we cannot do much about it, so just document it, it just means some station may be missing from debugfs. Signed-off-by: Johannes Berg Cc: Robin Holt Signed-off-by: John W. Linville --- net/mac80211/debugfs_sta.c | 11 +++++++++++ net/mac80211/sta_info.c | 7 ++++++- net/mac80211/sta_info.h | 1 + 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index b9902e425f09..189d0bafa91a 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -249,11 +249,22 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) DECLARE_MAC_BUF(mbuf); u8 *mac; + sta->debugfs.add_has_run = true; + if (!stations_dir) return; mac = print_mac(mbuf, sta->sta.addr); + /* + * This might fail due to a race condition: + * When mac80211 unlinks a station, the debugfs entries + * remain, but it is already possible to link a new + * station with the same address which triggers adding + * it to debugfs; therefore, if the old station isn't + * destroyed quickly enough the old station's debugfs + * dir might still be around. + */ sta->debugfs.dir = debugfs_create_dir(mac, stations_dir); if (!sta->debugfs.dir) return; diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 9b72d15bc8dc..7fef8ea1f5ec 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -635,7 +635,12 @@ static void sta_info_debugfs_add_work(struct work_struct *work) spin_lock_irqsave(&local->sta_lock, flags); list_for_each_entry(tmp, &local->sta_list, list) { - if (!tmp->debugfs.dir) { + /* + * debugfs.add_has_run will be set by + * ieee80211_sta_debugfs_add regardless + * of what else it does. + */ + if (!tmp->debugfs.add_has_run) { sta = tmp; __sta_info_pin(sta); break; diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index a6b51862a89d..168a39a298bd 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -300,6 +300,7 @@ struct sta_info { struct dentry *inactive_ms; struct dentry *last_seq_ctrl; struct dentry *agg_status; + bool add_has_run; } debugfs; #endif -- GitLab From 3eadd751eb8cb8090a65b4fa72c6360fd1aa5f06 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Tue, 7 Oct 2008 08:27:45 -0700 Subject: [PATCH 4829/6244] p54: Fix compilation problem on PPC The commit entitled "p54: Fix sparse warnings" introduced a compile error on PPC architecture. Thanks to Johannes Berg for reporting this problem. Signed-off-by: Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54common.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 1994aa199d37..117c7d3a52b0 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -479,7 +479,6 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) printk(KERN_ERR "p54: eeprom parse failed!\n"); return err; } -EXPORT_SYMBOL_GPL(p54_parse_eeprom); static int p54_rssi_to_dbm(struct ieee80211_hw *dev, int rssi) { -- GitLab From 09914813da37f1ee9d77998a0701629cfbbd98f4 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 7 Oct 2008 19:31:17 +0200 Subject: [PATCH 4830/6244] mac80211: fix HT information element parsing There's no checking that the HT IEs are of the right length which can be used by an attacker to cause an out-of-bounds access by sending a too short HT information/capability IE. Fix it by simply pretending those IEs didn't exist when too short. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/ieee80211_i.h | 6 ++---- net/mac80211/mlme.c | 3 --- net/mac80211/util.c | 8 ++++---- 3 files changed, 6 insertions(+), 11 deletions(-) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8025b294588b..156e42a003ae 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -816,8 +816,8 @@ struct ieee802_11_elems { u8 *ext_supp_rates; u8 *wmm_info; u8 *wmm_param; - u8 *ht_cap_elem; - u8 *ht_info_elem; + struct ieee80211_ht_cap *ht_cap_elem; + struct ieee80211_ht_addt_info *ht_info_elem; u8 *mesh_config; u8 *mesh_id; u8 *peer_link; @@ -844,8 +844,6 @@ struct ieee802_11_elems { u8 ext_supp_rates_len; u8 wmm_info_len; u8 wmm_param_len; - u8 ht_cap_elem_len; - u8 ht_info_elem_len; u8 mesh_config_len; u8 mesh_id_len; u8 peer_link_len; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 49f86fa56bff..87665d7bb4f9 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1348,10 +1348,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) { struct ieee80211_ht_bss_info bss_info; ieee80211_ht_cap_ie_to_ht_info( - (struct ieee80211_ht_cap *) elems.ht_cap_elem, &sta->sta.ht_info); ieee80211_ht_addt_info_ie_to_ht_bss_info( - (struct ieee80211_ht_addt_info *) elems.ht_info_elem, &bss_info); ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info); } @@ -1709,7 +1707,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, struct ieee80211_ht_bss_info bss_info; ieee80211_ht_addt_info_ie_to_ht_bss_info( - (struct ieee80211_ht_addt_info *) elems.ht_info_elem, &bss_info); changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf, &bss_info); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index f32561ec224c..cee4884b9d06 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -529,12 +529,12 @@ void ieee802_11_parse_elems(u8 *start, size_t len, elems->ext_supp_rates_len = elen; break; case WLAN_EID_HT_CAPABILITY: - elems->ht_cap_elem = pos; - elems->ht_cap_elem_len = elen; + if (elen >= sizeof(struct ieee80211_ht_cap)) + elems->ht_cap_elem = (void *)pos; break; case WLAN_EID_HT_EXTRA_INFO: - elems->ht_info_elem = pos; - elems->ht_info_elem_len = elen; + if (elen >= sizeof(struct ieee80211_ht_addt_info)) + elems->ht_info_elem = (void *)pos; break; case WLAN_EID_MESH_ID: elems->mesh_id = pos; -- GitLab From d5d7c584810b3be2b70c979af3283a1e48b6574d Mon Sep 17 00:00:00 2001 From: Tomas Winkler Date: Wed, 8 Oct 2008 09:37:28 +0800 Subject: [PATCH 4831/6244] iwlwifi: fix ct kill configuration for 5350 This patch fixes ct kill configuration for 5350. Temperature units that HW expects are in Celsius not in kelvins. Signed-off-by: Tomas Winkler Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-5000.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index f6003e7996af..5155b8a760a7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -833,12 +833,12 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { case CSR_HW_REV_TYPE_5100: case CSR_HW_REV_TYPE_5300: - /* 5X00 wants in Celsius */ + case CSR_HW_REV_TYPE_5350: + /* 5X00 and 5350 wants in Celsius */ priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; break; case CSR_HW_REV_TYPE_5150: - case CSR_HW_REV_TYPE_5350: - /* 5X50 wants in Kelvin */ + /* 5150 wants in Kelvin */ priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD); break; -- GitLab From c74e90a9e37c4a3923905189a6ebbd7ef61e6e67 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 8 Oct 2008 10:18:36 +0200 Subject: [PATCH 4832/6244] mac80211: fix debugfs netdev rename If, for some reason, a netdev has no debugfs dir, we shouldn't try to rename that dir. Signed-off-by: Johannes Berg Cc: Robin Holt Signed-off-by: John W. Linville --- net/mac80211/debugfs_netdev.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 2a4515623776..2ad504fc3414 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -545,8 +545,12 @@ static int netdev_notify(struct notifier_block *nb, sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sprintf(buf, "netdev:%s", dev->name); dir = sdata->debugfsdir; + + if (!dir) + return 0; + + sprintf(buf, "netdev:%s", dev->name); if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs " "dir to %s\n", buf); -- GitLab From 33c0360bf74d5fded34cb08d3512ada32ad661e4 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 8 Oct 2008 10:23:48 +0200 Subject: [PATCH 4833/6244] cfg80211: fix debugfs error handling If something goes wrong creating the debugfs dir or when debugfs is not compiled in, the current code might lead to trouble; make it more robust. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/wireless/core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/wireless/core.c b/net/wireless/core.c index 24fdd4cd22cb..5031db7b275b 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -184,7 +184,8 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, if (result) goto out_unlock; - if (!debugfs_rename(rdev->wiphy.debugfsdir->d_parent, + if (rdev->wiphy.debugfsdir && + !debugfs_rename(rdev->wiphy.debugfsdir->d_parent, rdev->wiphy.debugfsdir, rdev->wiphy.debugfsdir->d_parent, newname)) @@ -317,6 +318,8 @@ int wiphy_register(struct wiphy *wiphy) drv->wiphy.debugfsdir = debugfs_create_dir(wiphy_name(&drv->wiphy), ieee80211_debugfs_dir); + if (IS_ERR(drv->wiphy.debugfsdir)) + drv->wiphy.debugfsdir = NULL; res = 0; out_unlock: -- GitLab From 552a71515eef5cba9af8bfe608149557059c4463 Mon Sep 17 00:00:00 2001 From: Andrey Borzenkov Date: Fri, 10 Oct 2008 20:22:38 +0400 Subject: [PATCH 4834/6244] orinoco: fix unsafe locking in orinoco_cs_resume [ 6972.562035] ================================= [ 6972.562040] [ INFO: inconsistent lock state ] [ 6972.562048] 2.6.27-1avb #17 [ 6972.562053] --------------------------------- [ 6972.562060] inconsistent {in-hardirq-W} -> {hardirq-on-W} usage. [ 6972.562068] pm-suspend/17062 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 6972.562076] (&priv->lock){++..}, at: [] orinoco_cs_resume+0x5b/0xd0 [orinoco_cs] [ 6972.562122] {in-hardirq-W} state was registered at: [ 6972.562128] [] __lock_acquire+0x6cb/0x1640 [ 6972.562171] [] lock_acquire+0x5c/0x80 [ 6972.562181] [] _spin_lock_irqsave+0x49/0x80 [ 6972.562210] [] orinoco_interrupt+0x4d/0x16d0 [orinoco] [ 6972.562257] [] handle_IRQ_event+0x31/0x60 [ 6972.562278] [] handle_level_irq+0x6e/0xe0 [ 6972.562291] [] do_IRQ+0xb0/0x130 [ 6972.562313] [] 0xffffffff Signed-off-by: Andrey Borzenkov Signed-off-by: John W. Linville --- drivers/net/wireless/orinoco_cs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index 9eaa252c2430..65fd054e0172 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -403,6 +403,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; + unsigned long flags; if (! test_bit(0, &card->hard_reset_in_progress)) { err = orinoco_reinit_firmware(dev); @@ -412,7 +413,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) return -EIO; } - spin_lock(&priv->lock); + spin_lock_irqsave(&priv->lock, flags); netif_device_attach(dev); priv->hw_unavailable--; @@ -424,7 +425,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) dev->name, err); } - spin_unlock(&priv->lock); + spin_unlock_irqrestore(&priv->lock, flags); } return err; -- GitLab From c25bab54fe30d26a2cddf7058d77da72be630b23 Mon Sep 17 00:00:00 2001 From: David Kilroy Date: Fri, 10 Oct 2008 22:58:32 +0100 Subject: [PATCH 4835/6244] orinoco: fix unsafe locking in spectrum_cs_suspend A similar problem was highlighted in the orinoco_cs driver by lockdep. This patch fixes the spectrum_cs driver. Signed-off-by: David Kilroy Signed-off-by: John W. Linville --- drivers/net/wireless/spectrum_cs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index 67b26d3c3cd5..f5513cd4db35 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -450,10 +450,11 @@ spectrum_cs_suspend(struct pcmcia_device *link) { struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; int err = 0; /* Mark the device as stopped, to block IO until later */ - spin_lock(&priv->lock); + spin_lock_irqsave(&priv->lock, flags); err = __orinoco_down(dev); if (err) @@ -463,7 +464,7 @@ spectrum_cs_suspend(struct pcmcia_device *link) netif_device_detach(dev); priv->hw_unavailable++; - spin_unlock(&priv->lock); + spin_unlock_irqrestore(&priv->lock, flags); return err; } -- GitLab From d048e503a2b01e771ee87921c24d89d7ec3f0c2f Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sat, 11 Oct 2008 03:29:55 +0300 Subject: [PATCH 4836/6244] mac80211: Fix scan RX processing oops ieee80211_bss_info_update() can return NULL. Verify that this is not the case before calling ieee802111_rx_bss_put() which would trigger an oops in interrupt context in atomic_dec_and_lock(). Signed-off-by: Jouni Malinen Acked-by: Johannes Berg Acked-by: Benoit Papillault Signed-off-by: John W. Linville --- net/mac80211/scan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 8e6685e7ae85..416bb41099f3 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -388,7 +388,8 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, bss = ieee80211_bss_info_update(sdata->local, rx_status, mgmt, skb->len, &elems, freq, beacon); - ieee80211_rx_bss_put(sdata->local, bss); + if (bss) + ieee80211_rx_bss_put(sdata->local, bss); dev_kfree_skb(skb); return RX_QUEUED; -- GitLab From 96d46d5d792d96f80e9bd274ab6d433b8a3c22bc Mon Sep 17 00:00:00 2001 From: Manish Katiyar Date: Mon, 13 Oct 2008 16:22:42 +0530 Subject: [PATCH 4837/6244] libertas : Remove unused variable warning for "old_channel" from cmd.c Below patch removes the following warning during compilation. drivers/net/wireless/libertas/cmd.c:826: warning: unused variable 'old_channel' Signed-off-by : Manish Katiyar Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/cmd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index a912fb68c099..297696de2da0 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -823,7 +823,9 @@ int lbs_update_channel(struct lbs_private *priv) int lbs_set_channel(struct lbs_private *priv, u8 channel) { struct cmd_ds_802_11_rf_channel cmd; +#ifdef DEBUG u8 old_channel = priv->curbssparams.channel; +#endif int ret = 0; lbs_deb_enter(LBS_DEB_CMD); -- GitLab From 4233df6b748193d45f79fb7448991a473061a65d Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 13 Oct 2008 13:35:05 +0200 Subject: [PATCH 4838/6244] ath9k/mac80211: disallow fragmentation in ath9k, report to userspace As I've reported, ath9k currently fails utterly when fragmentation is enabled. This makes ath9k "support" hardware fragmentation by not supporting fragmentation at all to avoid the double-free issue. The patch also changes mac80211 to report errors from the driver operation to userspace. That hack in ath9k should be removed once the rate control algorithm it has is fixed, and we can at that time consider removing the hw fragmentation support entirely since it's not used by any driver. Signed-off-by: Johannes Berg Cc: stable@kernel.org Acked-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/main.c | 8 +++++++- net/mac80211/wext.c | 2 +- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 74726990d59e..f05f584ab7bc 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -1640,6 +1640,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, return ret; } +static int ath9k_no_fragmentation(struct ieee80211_hw *hw, u32 value) +{ + return -EOPNOTSUPP; +} + static struct ieee80211_ops ath9k_ops = { .tx = ath9k_tx, .start = ath9k_start, @@ -1664,7 +1669,8 @@ static struct ieee80211_ops ath9k_ops = { .get_tsf = ath9k_get_tsf, .reset_tsf = ath9k_reset_tsf, .tx_last_beacon = NULL, - .ampdu_action = ath9k_ampdu_action + .ampdu_action = ath9k_ampdu_action, + .set_frag_threshold = ath9k_no_fragmentation, }; static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 7e0d53abde24..742f811ca416 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -775,7 +775,7 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev, * configure it here */ if (local->ops->set_frag_threshold) - local->ops->set_frag_threshold( + return local->ops->set_frag_threshold( local_to_hw(local), local->fragmentation_threshold); -- GitLab From e1a65b5828edfddb29c6fb4eb556fa503295146b Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Mon, 13 Oct 2008 09:15:01 -0700 Subject: [PATCH 4839/6244] mac80211: fixme for kernel-doc Fix kernel-doc warnings in mac80211.h. Fields need real explanations added to them. Warning(lin2627-g3-kdocfixes//include/net/mac80211.h:659): No description found for parameter 'icv_len' Warning(lin2627-g3-kdocfixes//include/net/mac80211.h:659): No description found for parameter 'iv_len' Signed-off-by: Randy Dunlap Signed-off-by: John W. Linville --- include/net/mac80211.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5617a1613c91..d861197f83c7 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -645,7 +645,8 @@ enum ieee80211_key_flags { * - Temporal Encryption Key (128 bits) * - Temporal Authenticator Tx MIC Key (64 bits) * - Temporal Authenticator Rx MIC Key (64 bits) - * + * @icv_len: FIXME + * @iv_len: FIXME */ struct ieee80211_key_conf { enum ieee80211_key_alg alg; -- GitLab From ec366eba3b8d96fdb2e629c64fa2750be2723ba7 Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Mon, 13 Oct 2008 23:41:53 +0200 Subject: [PATCH 4840/6244] p54usb: Device ID updates This patch updates p54usb's device list. It adds the ID for SMC 2862W-G v2 and marks the "Spinnaker Proto board" as a first generation device. Reported-by: Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 1912f5e9a0a9..75d749bccb0d 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -39,6 +39,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */ {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */ {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */ + {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */ {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */ {USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */ @@ -63,8 +64,8 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ - {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ + {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ -- GitLab From eaca90dab6ab9853223029deffdd226f41b2028c Mon Sep 17 00:00:00 2001 From: Florent Fourcot Date: Mon, 13 Oct 2008 16:34:26 -0700 Subject: [PATCH 4841/6244] rtl8187: Add USB ID for Belkin F5D7050 with RTL8187B chip The Belkin F5D7050rev5000de (id 050d:705e) has the Realtek RTL8187B chip and works with the 2.6.27 driver. Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtl8187_dev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index 782327767278..431e3c78bf27 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -33,6 +33,8 @@ MODULE_LICENSE("GPL"); static struct usb_device_id rtl8187_table[] __devinitdata = { /* Asus */ {USB_DEVICE(0x0b05, 0x171d), .driver_info = DEVICE_RTL8187}, + /* Belkin */ + {USB_DEVICE(0x050d, 0x705e), .driver_info = DEVICE_RTL8187B}, /* Realtek */ {USB_DEVICE(0x0bda, 0x8187), .driver_info = DEVICE_RTL8187}, {USB_DEVICE(0x0bda, 0x8189), .driver_info = DEVICE_RTL8187B}, -- GitLab From 8713a7ccd88d93d9f8a72436088d6627c82490db Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 14 Oct 2008 23:57:43 +0200 Subject: [PATCH 4842/6244] rt2x00: fix regression introduced by "mac80211: free up 2 bytes in skb->cb" The hw_key pointer is used (and obviously NULL) after skb->cb is memset to 0. This patch grabs the iv_len before the memset call. Signed-off-by: Felix Fietkau Signed-off-by: Stephen Blackheath Acked-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00queue.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 1676ac484790..451d410ecdae 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -374,7 +374,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); struct txentry_desc txdesc; struct skb_frame_desc *skbdesc; - unsigned int iv_len; + unsigned int iv_len = 0; if (unlikely(rt2x00queue_full(queue))) return -EINVAL; @@ -395,6 +395,9 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) entry->skb = skb; rt2x00queue_create_tx_descriptor(entry, &txdesc); + if (IEEE80211_SKB_CB(skb)->control.hw_key != NULL) + iv_len = IEEE80211_SKB_CB(skb)->control.hw_key->iv_len; + /* * All information is retreived from the skb->cb array, * now we should claim ownership of the driver part of that @@ -410,9 +413,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) * the frame so we can provide it to the driver seperately. */ if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) && - !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags) && - (IEEE80211_SKB_CB(skb)->control.hw_key != NULL)) { - iv_len = IEEE80211_SKB_CB(skb)->control.hw_key->iv_len; + !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags)) { rt2x00crypto_tx_remove_iv(skb, iv_len); } -- GitLab From 1efd47f87317030cb7e37821b8562a8162c1223f Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 14 Oct 2008 18:31:46 -0700 Subject: [PATCH 4843/6244] ocfs2: fix build error I merged the latest ocfs2_read_blocks() changes in xattr.c wrong. This makes Ocfs2 compile again. Signed-off-by: Mark Fasheh --- fs/ocfs2/xattr.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index c25780a70dfd..802c41492214 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2349,7 +2349,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, */ ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED); + 0); if (ret) { mlog_errno(ret); goto out; @@ -2426,7 +2426,7 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, - bucket.bhs, OCFS2_BH_CACHED); + bucket.bhs, 0); if (ret) { mlog_errno(ret); goto out; @@ -2694,7 +2694,7 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED); + 0); if (ret) { mlog_errno(ret); return ret; @@ -2898,8 +2898,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, if (!bhs) return -ENOMEM; - ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, - OCFS2_BH_CACHED); + ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, 0); if (ret) goto out; @@ -3153,8 +3152,7 @@ static int ocfs2_read_xattr_bucket(struct inode *inode, if (!new) return ocfs2_read_blocks(inode, blkno, - blk_per_bucket, bhs, - OCFS2_BH_CACHED); + blk_per_bucket, bhs, 0); for (i = 0; i < blk_per_bucket; i++) { bhs[i] = sb_getblk(inode->i_sb, blkno + i); @@ -4101,7 +4099,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, blk_per_bucket - 1, &xs->bucket.bhs[1], - OCFS2_BH_CACHED); + 0); if (ret) { mlog_errno(ret); goto out; -- GitLab From 4ef079ccc1d934c5f9966f2bfcd5dbbef8f7a0a7 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 14 Oct 2008 22:54:48 -0700 Subject: [PATCH 4844/6244] netns: fix net_generic array leak Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/core/net_namespace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index b0dc818a91d7..f1d07b5c1e17 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -96,7 +96,7 @@ static void net_free(struct net *net) return; } #endif - + kfree(net->gen); kmem_cache_free(net_cachep, net); } -- GitLab From eef9d90dcde7bb4d029b67ed36457efc4970d5a2 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 14 Oct 2008 22:55:21 -0700 Subject: [PATCH 4845/6244] netns: correct mib stats in ip6_route_me_harder() Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- net/ipv6/netfilter.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c index 6b29b03925f1..fd5b3a4e3329 100644 --- a/net/ipv6/netfilter.c +++ b/net/ipv6/netfilter.c @@ -12,6 +12,7 @@ int ip6_route_me_harder(struct sk_buff *skb) { + struct net *net = dev_net(skb->dst->dev); struct ipv6hdr *iph = ipv6_hdr(skb); struct dst_entry *dst; struct flowi fl = { @@ -23,7 +24,7 @@ int ip6_route_me_harder(struct sk_buff *skb) .saddr = iph->saddr, } }, }; - dst = ip6_route_output(dev_net(skb->dst->dev), skb->sk, &fl); + dst = ip6_route_output(net, skb->sk, &fl); #ifdef CONFIG_XFRM if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) && @@ -33,8 +34,7 @@ int ip6_route_me_harder(struct sk_buff *skb) #endif if (dst->error) { - IP6_INC_STATS(&init_net, ip6_dst_idev(dst), - IPSTATS_MIB_OUTNOROUTES); + IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES); LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n"); dst_release(dst); return -EINVAL; -- GitLab From deb28d9bc4bb6922c1f7e459744d7b2d0db3a1d2 Mon Sep 17 00:00:00 2001 From: Manish Katiyar Date: Wed, 15 Oct 2008 00:13:53 -0700 Subject: [PATCH 4846/6244] net/802/fc.c: Fix compilation warnings Signed-off-by: Manish Katiyar Signed-off-by: David S. Miller --- net/802/fc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/802/fc.c b/net/802/fc.c index cb3475ea6fda..34cf1ee014b8 100644 --- a/net/802/fc.c +++ b/net/802/fc.c @@ -82,13 +82,13 @@ static int fc_header(struct sk_buff *skb, struct net_device *dev, static int fc_rebuild_header(struct sk_buff *skb) { +#ifdef CONFIG_INET struct fch_hdr *fch=(struct fch_hdr *)skb->data; struct fcllc *fcllc=(struct fcllc *)(skb->data+sizeof(struct fch_hdr)); if(fcllc->ethertype != htons(ETH_P_IP)) { printk("fc_rebuild_header: Don't know how to resolve type %04X addresses ?\n", ntohs(fcllc->ethertype)); return 0; } -#ifdef CONFIG_INET return arp_find(fch->daddr, skb); #else return 0; -- GitLab From ca60dfbb69afb549e33527cbf676e4daf8febfb5 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Tue, 24 Jun 2008 17:02:38 +0800 Subject: [PATCH 4847/6244] KVM: VMX: Rename misnamed msr bits MSR_IA32_FEATURE_LOCKED is just a bit in fact, which shouldn't be prefixed with MSR_. So is MSR_IA32_FEATURE_VMXON_ENABLED. Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 18 +++++++++--------- arch/x86/kvm/vmx.h | 4 ++-- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 7041cc52b562..81dac721ec31 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1031,9 +1031,9 @@ static __init int vmx_disabled_by_bios(void) u64 msr; rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); - return (msr & (MSR_IA32_FEATURE_CONTROL_LOCKED | - MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) - == MSR_IA32_FEATURE_CONTROL_LOCKED; + return (msr & (IA32_FEATURE_CONTROL_LOCKED_BIT | + IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) + == IA32_FEATURE_CONTROL_LOCKED_BIT; /* locked but not enabled */ } @@ -1045,14 +1045,14 @@ static void hardware_enable(void *garbage) INIT_LIST_HEAD(&per_cpu(vcpus_on_cpu, cpu)); rdmsrl(MSR_IA32_FEATURE_CONTROL, old); - if ((old & (MSR_IA32_FEATURE_CONTROL_LOCKED | - MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) - != (MSR_IA32_FEATURE_CONTROL_LOCKED | - MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED)) + if ((old & (IA32_FEATURE_CONTROL_LOCKED_BIT | + IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) + != (IA32_FEATURE_CONTROL_LOCKED_BIT | + IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) /* enable and lock */ wrmsrl(MSR_IA32_FEATURE_CONTROL, old | - MSR_IA32_FEATURE_CONTROL_LOCKED | - MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED); + IA32_FEATURE_CONTROL_LOCKED_BIT | + IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT); write_cr4(read_cr4() | X86_CR4_VMXE); /* FIXME: not cpu hotplug safe */ asm volatile (ASM_VMX_VMXON_RAX : : "a"(&phys_addr), "m"(phys_addr) diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index 17e25995b65b..86059f439cb4 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -331,8 +331,8 @@ enum vmcs_field { #define AR_RESERVD_MASK 0xfffe0f00 -#define MSR_IA32_FEATURE_CONTROL_LOCKED 0x1 -#define MSR_IA32_FEATURE_CONTROL_VMXON_ENABLED 0x4 +#define IA32_FEATURE_CONTROL_LOCKED_BIT 0x1 +#define IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT 0x4 #define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT 9 #define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT 10 -- GitLab From 5fdbf9765b7ba6a45100851154768de703d51e76 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Fri, 27 Jun 2008 14:58:02 -0300 Subject: [PATCH 4848/6244] KVM: x86: accessors for guest registers As suggested by Avi, introduce accessors to read/write guest registers. This simplifies the ->cache_regs/->decache_regs interface, and improves register caching which is important for VMX, where the cost of vmcs_read/vmcs_write is significant. [avi: fix warnings] Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/kvm_cache_regs.h | 32 ++++ arch/x86/kvm/lapic.c | 4 +- arch/x86/kvm/svm.c | 56 +++---- arch/x86/kvm/vmx.c | 103 +++++++------ arch/x86/kvm/x86.c | 268 +++++++++++++++++----------------- arch/x86/kvm/x86_emulate.c | 19 +-- include/asm-x86/kvm_host.h | 15 +- 7 files changed, 264 insertions(+), 233 deletions(-) create mode 100644 arch/x86/kvm/kvm_cache_regs.h diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h new file mode 100644 index 000000000000..1ff819dce7d3 --- /dev/null +++ b/arch/x86/kvm/kvm_cache_regs.h @@ -0,0 +1,32 @@ +#ifndef ASM_KVM_CACHE_REGS_H +#define ASM_KVM_CACHE_REGS_H + +static inline unsigned long kvm_register_read(struct kvm_vcpu *vcpu, + enum kvm_reg reg) +{ + if (!test_bit(reg, (unsigned long *)&vcpu->arch.regs_avail)) + kvm_x86_ops->cache_reg(vcpu, reg); + + return vcpu->arch.regs[reg]; +} + +static inline void kvm_register_write(struct kvm_vcpu *vcpu, + enum kvm_reg reg, + unsigned long val) +{ + vcpu->arch.regs[reg] = val; + __set_bit(reg, (unsigned long *)&vcpu->arch.regs_dirty); + __set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail); +} + +static inline unsigned long kvm_rip_read(struct kvm_vcpu *vcpu) +{ + return kvm_register_read(vcpu, VCPU_REGS_RIP); +} + +static inline void kvm_rip_write(struct kvm_vcpu *vcpu, unsigned long val) +{ + kvm_register_write(vcpu, VCPU_REGS_RIP, val); +} + +#endif diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 73f43de69f67..9fde0ac24268 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -32,6 +32,7 @@ #include #include #include +#include "kvm_cache_regs.h" #include "irq.h" #define PRId64 "d" @@ -558,8 +559,7 @@ static void __report_tpr_access(struct kvm_lapic *apic, bool write) struct kvm_run *run = vcpu->run; set_bit(KVM_REQ_REPORT_TPR_ACCESS, &vcpu->requests); - kvm_x86_ops->cache_regs(vcpu); - run->tpr_access.rip = vcpu->arch.rip; + run->tpr_access.rip = kvm_rip_read(vcpu); run->tpr_access.is_write = write; } diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 8233b86c778c..54b0bf33e21e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -18,6 +18,7 @@ #include "kvm_svm.h" #include "irq.h" #include "mmu.h" +#include "kvm_cache_regs.h" #include #include @@ -236,13 +237,11 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu) printk(KERN_DEBUG "%s: NOP\n", __func__); return; } - if (svm->next_rip - svm->vmcb->save.rip > MAX_INST_SIZE) - printk(KERN_ERR "%s: ip 0x%llx next 0x%llx\n", - __func__, - svm->vmcb->save.rip, - svm->next_rip); + if (svm->next_rip - kvm_rip_read(vcpu) > MAX_INST_SIZE) + printk(KERN_ERR "%s: ip 0x%lx next 0x%llx\n", + __func__, kvm_rip_read(vcpu), svm->next_rip); - vcpu->arch.rip = svm->vmcb->save.rip = svm->next_rip; + kvm_rip_write(vcpu, svm->next_rip); svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK; vcpu->arch.interrupt_window_open = 1; @@ -581,6 +580,7 @@ static void init_vmcb(struct vcpu_svm *svm) save->dr7 = 0x400; save->rflags = 2; save->rip = 0x0000fff0; + svm->vcpu.arch.regs[VCPU_REGS_RIP] = save->rip; /* * cr0 val on cpu init should be 0x60000010, we enable cpu @@ -615,10 +615,12 @@ static int svm_vcpu_reset(struct kvm_vcpu *vcpu) init_vmcb(svm); if (vcpu->vcpu_id != 0) { - svm->vmcb->save.rip = 0; + kvm_rip_write(vcpu, 0); svm->vmcb->save.cs.base = svm->vcpu.arch.sipi_vector << 12; svm->vmcb->save.cs.selector = svm->vcpu.arch.sipi_vector << 8; } + vcpu->arch.regs_avail = ~0; + vcpu->arch.regs_dirty = ~0; return 0; } @@ -721,23 +723,6 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu) rdtscll(vcpu->arch.host_tsc); } -static void svm_cache_regs(struct kvm_vcpu *vcpu) -{ - struct vcpu_svm *svm = to_svm(vcpu); - - vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax; - vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; - vcpu->arch.rip = svm->vmcb->save.rip; -} - -static void svm_decache_regs(struct kvm_vcpu *vcpu) -{ - struct vcpu_svm *svm = to_svm(vcpu); - svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX]; - svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP]; - svm->vmcb->save.rip = vcpu->arch.rip; -} - static unsigned long svm_get_rflags(struct kvm_vcpu *vcpu) { return to_svm(vcpu)->vmcb->save.rflags; @@ -1139,14 +1124,14 @@ static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) static int halt_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { - svm->next_rip = svm->vmcb->save.rip + 1; + svm->next_rip = kvm_rip_read(&svm->vcpu) + 1; skip_emulated_instruction(&svm->vcpu); return kvm_emulate_halt(&svm->vcpu); } static int vmmcall_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { - svm->next_rip = svm->vmcb->save.rip + 3; + svm->next_rip = kvm_rip_read(&svm->vcpu) + 3; skip_emulated_instruction(&svm->vcpu); kvm_emulate_hypercall(&svm->vcpu); return 1; @@ -1178,7 +1163,7 @@ static int task_switch_interception(struct vcpu_svm *svm, static int cpuid_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { - svm->next_rip = svm->vmcb->save.rip + 2; + svm->next_rip = kvm_rip_read(&svm->vcpu) + 2; kvm_emulate_cpuid(&svm->vcpu); return 1; } @@ -1273,9 +1258,9 @@ static int rdmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) KVMTRACE_3D(MSR_READ, &svm->vcpu, ecx, (u32)data, (u32)(data >> 32), handler); - svm->vmcb->save.rax = data & 0xffffffff; + svm->vcpu.arch.regs[VCPU_REGS_RAX] = data & 0xffffffff; svm->vcpu.arch.regs[VCPU_REGS_RDX] = data >> 32; - svm->next_rip = svm->vmcb->save.rip + 2; + svm->next_rip = kvm_rip_read(&svm->vcpu) + 2; skip_emulated_instruction(&svm->vcpu); } return 1; @@ -1359,13 +1344,13 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data) static int wrmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX]; - u64 data = (svm->vmcb->save.rax & -1u) + u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u) | ((u64)(svm->vcpu.arch.regs[VCPU_REGS_RDX] & -1u) << 32); KVMTRACE_3D(MSR_WRITE, &svm->vcpu, ecx, (u32)data, (u32)(data >> 32), handler); - svm->next_rip = svm->vmcb->save.rip + 2; + svm->next_rip = kvm_rip_read(&svm->vcpu) + 2; if (svm_set_msr(&svm->vcpu, ecx, data)) kvm_inject_gp(&svm->vcpu, 0); else @@ -1723,6 +1708,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) u16 gs_selector; u16 ldt_selector; + svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX]; + svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP]; + svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP]; + pre_svm_run(svm); sync_lapic_to_cr8(vcpu); @@ -1858,6 +1847,9 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) load_db_regs(svm->host_db_regs); vcpu->arch.cr2 = svm->vmcb->save.cr2; + vcpu->arch.regs[VCPU_REGS_RAX] = svm->vmcb->save.rax; + vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp; + vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip; write_dr6(svm->host_dr6); write_dr7(svm->host_dr7); @@ -1977,8 +1969,6 @@ static struct kvm_x86_ops svm_x86_ops = { .set_gdt = svm_set_gdt, .get_dr = svm_get_dr, .set_dr = svm_set_dr, - .cache_regs = svm_cache_regs, - .decache_regs = svm_decache_regs, .get_rflags = svm_get_rflags, .set_rflags = svm_set_rflags, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 81dac721ec31..5a3a0326c277 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -26,6 +26,7 @@ #include #include #include +#include "kvm_cache_regs.h" #include #include @@ -715,9 +716,9 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu) unsigned long rip; u32 interruptibility; - rip = vmcs_readl(GUEST_RIP); + rip = kvm_rip_read(vcpu); rip += vmcs_read32(VM_EXIT_INSTRUCTION_LEN); - vmcs_writel(GUEST_RIP, rip); + kvm_rip_write(vcpu, rip); /* * We emulated an instruction, so temporary interrupt blocking @@ -947,24 +948,19 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data) return ret; } -/* - * Sync the rsp and rip registers into the vcpu structure. This allows - * registers to be accessed by indexing vcpu->arch.regs. - */ -static void vcpu_load_rsp_rip(struct kvm_vcpu *vcpu) -{ - vcpu->arch.regs[VCPU_REGS_RSP] = vmcs_readl(GUEST_RSP); - vcpu->arch.rip = vmcs_readl(GUEST_RIP); -} - -/* - * Syncs rsp and rip back into the vmcs. Should be called after possible - * modification. - */ -static void vcpu_put_rsp_rip(struct kvm_vcpu *vcpu) +static void vmx_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg) { - vmcs_writel(GUEST_RSP, vcpu->arch.regs[VCPU_REGS_RSP]); - vmcs_writel(GUEST_RIP, vcpu->arch.rip); + __set_bit(reg, (unsigned long *)&vcpu->arch.regs_avail); + switch (reg) { + case VCPU_REGS_RSP: + vcpu->arch.regs[VCPU_REGS_RSP] = vmcs_readl(GUEST_RSP); + break; + case VCPU_REGS_RIP: + vcpu->arch.regs[VCPU_REGS_RIP] = vmcs_readl(GUEST_RIP); + break; + default: + break; + } } static int set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg) @@ -2019,6 +2015,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) u64 msr; int ret; + vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)); down_read(&vcpu->kvm->slots_lock); if (!init_rmode(vmx->vcpu.kvm)) { ret = -ENOMEM; @@ -2072,10 +2069,10 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmcs_writel(GUEST_RFLAGS, 0x02); if (vmx->vcpu.vcpu_id == 0) - vmcs_writel(GUEST_RIP, 0xfff0); + kvm_rip_write(vcpu, 0xfff0); else - vmcs_writel(GUEST_RIP, 0); - vmcs_writel(GUEST_RSP, 0); + kvm_rip_write(vcpu, 0); + kvm_register_write(vcpu, VCPU_REGS_RSP, 0); /* todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0 */ vmcs_writel(GUEST_DR7, 0x400); @@ -2139,11 +2136,11 @@ static void vmx_inject_irq(struct kvm_vcpu *vcpu, int irq) if (vcpu->arch.rmode.active) { vmx->rmode.irq.pending = true; vmx->rmode.irq.vector = irq; - vmx->rmode.irq.rip = vmcs_readl(GUEST_RIP); + vmx->rmode.irq.rip = kvm_rip_read(vcpu); vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, irq | INTR_TYPE_SOFT_INTR | INTR_INFO_VALID_MASK); vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); - vmcs_writel(GUEST_RIP, vmx->rmode.irq.rip - 1); + kvm_rip_write(vcpu, vmx->rmode.irq.rip - 1); return; } vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, @@ -2288,7 +2285,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } error_code = 0; - rip = vmcs_readl(GUEST_RIP); + rip = kvm_rip_read(vcpu); if (intr_info & INTR_INFO_DELIVER_CODE_MASK) error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE); if (is_page_fault(intr_info)) { @@ -2386,27 +2383,25 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) reg = (exit_qualification >> 8) & 15; switch ((exit_qualification >> 4) & 3) { case 0: /* mov to cr */ - KVMTRACE_3D(CR_WRITE, vcpu, (u32)cr, (u32)vcpu->arch.regs[reg], - (u32)((u64)vcpu->arch.regs[reg] >> 32), handler); + KVMTRACE_3D(CR_WRITE, vcpu, (u32)cr, + (u32)kvm_register_read(vcpu, reg), + (u32)((u64)kvm_register_read(vcpu, reg) >> 32), + handler); switch (cr) { case 0: - vcpu_load_rsp_rip(vcpu); - kvm_set_cr0(vcpu, vcpu->arch.regs[reg]); + kvm_set_cr0(vcpu, kvm_register_read(vcpu, reg)); skip_emulated_instruction(vcpu); return 1; case 3: - vcpu_load_rsp_rip(vcpu); - kvm_set_cr3(vcpu, vcpu->arch.regs[reg]); + kvm_set_cr3(vcpu, kvm_register_read(vcpu, reg)); skip_emulated_instruction(vcpu); return 1; case 4: - vcpu_load_rsp_rip(vcpu); - kvm_set_cr4(vcpu, vcpu->arch.regs[reg]); + kvm_set_cr4(vcpu, kvm_register_read(vcpu, reg)); skip_emulated_instruction(vcpu); return 1; case 8: - vcpu_load_rsp_rip(vcpu); - kvm_set_cr8(vcpu, vcpu->arch.regs[reg]); + kvm_set_cr8(vcpu, kvm_register_read(vcpu, reg)); skip_emulated_instruction(vcpu); if (irqchip_in_kernel(vcpu->kvm)) return 1; @@ -2415,7 +2410,6 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) }; break; case 2: /* clts */ - vcpu_load_rsp_rip(vcpu); vmx_fpu_deactivate(vcpu); vcpu->arch.cr0 &= ~X86_CR0_TS; vmcs_writel(CR0_READ_SHADOW, vcpu->arch.cr0); @@ -2426,21 +2420,17 @@ static int handle_cr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) case 1: /*mov from cr*/ switch (cr) { case 3: - vcpu_load_rsp_rip(vcpu); - vcpu->arch.regs[reg] = vcpu->arch.cr3; - vcpu_put_rsp_rip(vcpu); + kvm_register_write(vcpu, reg, vcpu->arch.cr3); KVMTRACE_3D(CR_READ, vcpu, (u32)cr, - (u32)vcpu->arch.regs[reg], - (u32)((u64)vcpu->arch.regs[reg] >> 32), + (u32)kvm_register_read(vcpu, reg), + (u32)((u64)kvm_register_read(vcpu, reg) >> 32), handler); skip_emulated_instruction(vcpu); return 1; case 8: - vcpu_load_rsp_rip(vcpu); - vcpu->arch.regs[reg] = kvm_get_cr8(vcpu); - vcpu_put_rsp_rip(vcpu); + kvm_register_write(vcpu, reg, kvm_get_cr8(vcpu)); KVMTRACE_2D(CR_READ, vcpu, (u32)cr, - (u32)vcpu->arch.regs[reg], handler); + (u32)kvm_register_read(vcpu, reg), handler); skip_emulated_instruction(vcpu); return 1; } @@ -2472,7 +2462,6 @@ static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) exit_qualification = vmcs_readl(EXIT_QUALIFICATION); dr = exit_qualification & 7; reg = (exit_qualification >> 8) & 15; - vcpu_load_rsp_rip(vcpu); if (exit_qualification & 16) { /* mov from dr */ switch (dr) { @@ -2485,12 +2474,11 @@ static int handle_dr(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) default: val = 0; } - vcpu->arch.regs[reg] = val; + kvm_register_write(vcpu, reg, val); KVMTRACE_2D(DR_READ, vcpu, (u32)dr, (u32)val, handler); } else { /* mov to dr */ } - vcpu_put_rsp_rip(vcpu); skip_emulated_instruction(vcpu); return 1; } @@ -2735,8 +2723,8 @@ static int kvm_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) struct vcpu_vmx *vmx = to_vmx(vcpu); u32 vectoring_info = vmx->idt_vectoring_info; - KVMTRACE_3D(VMEXIT, vcpu, exit_reason, (u32)vmcs_readl(GUEST_RIP), - (u32)((u64)vmcs_readl(GUEST_RIP) >> 32), entryexit); + KVMTRACE_3D(VMEXIT, vcpu, exit_reason, (u32)kvm_rip_read(vcpu), + (u32)((u64)kvm_rip_read(vcpu) >> 32), entryexit); /* Access CR3 don't cause VMExit in paging mode, so we need * to sync with guest real CR3. */ @@ -2922,9 +2910,9 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) static void fixup_rmode_irq(struct vcpu_vmx *vmx) { vmx->rmode.irq.pending = 0; - if (vmcs_readl(GUEST_RIP) + 1 != vmx->rmode.irq.rip) + if (kvm_rip_read(&vmx->vcpu) + 1 != vmx->rmode.irq.rip) return; - vmcs_writel(GUEST_RIP, vmx->rmode.irq.rip); + kvm_rip_write(&vmx->vcpu, vmx->rmode.irq.rip); if (vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK) { vmx->idt_vectoring_info &= ~VECTORING_INFO_TYPE_MASK; vmx->idt_vectoring_info |= INTR_TYPE_EXT_INTR; @@ -2941,6 +2929,11 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) struct vcpu_vmx *vmx = to_vmx(vcpu); u32 intr_info; + if (test_bit(VCPU_REGS_RSP, (unsigned long *)&vcpu->arch.regs_dirty)) + vmcs_writel(GUEST_RSP, vcpu->arch.regs[VCPU_REGS_RSP]); + if (test_bit(VCPU_REGS_RIP, (unsigned long *)&vcpu->arch.regs_dirty)) + vmcs_writel(GUEST_RIP, vcpu->arch.regs[VCPU_REGS_RIP]); + /* * Loading guest fpu may have cleared host cr0.ts */ @@ -3061,6 +3054,9 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) #endif ); + vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)); + vcpu->arch.regs_dirty = 0; + vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD); if (vmx->rmode.irq.pending) fixup_rmode_irq(vmx); @@ -3224,8 +3220,7 @@ static struct kvm_x86_ops vmx_x86_ops = { .set_idt = vmx_set_idt, .get_gdt = vmx_get_gdt, .set_gdt = vmx_set_gdt, - .cache_regs = vcpu_load_rsp_rip, - .decache_regs = vcpu_put_rsp_rip, + .cache_reg = vmx_cache_reg, .get_rflags = vmx_get_rflags, .set_rflags = vmx_set_rflags, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0d682fc6aeb3..2f0696bc7d2f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -19,6 +19,7 @@ #include "mmu.h" #include "i8254.h" #include "tss.h" +#include "kvm_cache_regs.h" #include #include @@ -61,6 +62,7 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, struct kvm_cpuid_entry2 __user *entries); struct kvm_x86_ops *kvm_x86_ops; +EXPORT_SYMBOL_GPL(kvm_x86_ops); struct kvm_stats_debugfs_item debugfs_entries[] = { { "pf_fixed", VCPU_STAT(pf_fixed) }, @@ -2080,7 +2082,7 @@ int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long value) void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context) { u8 opcodes[4]; - unsigned long rip = vcpu->arch.rip; + unsigned long rip = kvm_rip_read(vcpu); unsigned long rip_linear; if (!printk_ratelimit()) @@ -2102,6 +2104,14 @@ static struct x86_emulate_ops emulate_ops = { .cmpxchg_emulated = emulator_cmpxchg_emulated, }; +static void cache_all_regs(struct kvm_vcpu *vcpu) +{ + kvm_register_read(vcpu, VCPU_REGS_RAX); + kvm_register_read(vcpu, VCPU_REGS_RSP); + kvm_register_read(vcpu, VCPU_REGS_RIP); + vcpu->arch.regs_dirty = ~0; +} + int emulate_instruction(struct kvm_vcpu *vcpu, struct kvm_run *run, unsigned long cr2, @@ -2112,7 +2122,13 @@ int emulate_instruction(struct kvm_vcpu *vcpu, struct decode_cache *c; vcpu->arch.mmio_fault_cr2 = cr2; - kvm_x86_ops->cache_regs(vcpu); + /* + * TODO: fix x86_emulate.c to use guest_read/write_register + * instead of direct ->regs accesses, can save hundred cycles + * on Intel for instructions that don't read/change RSP, for + * for example. + */ + cache_all_regs(vcpu); vcpu->mmio_is_write = 0; vcpu->arch.pio.string = 0; @@ -2172,7 +2188,6 @@ int emulate_instruction(struct kvm_vcpu *vcpu, return EMULATE_DO_MMIO; } - kvm_x86_ops->decache_regs(vcpu); kvm_x86_ops->set_rflags(vcpu, vcpu->arch.emulate_ctxt.eflags); if (vcpu->mmio_is_write) { @@ -2225,20 +2240,19 @@ int complete_pio(struct kvm_vcpu *vcpu) struct kvm_pio_request *io = &vcpu->arch.pio; long delta; int r; - - kvm_x86_ops->cache_regs(vcpu); + unsigned long val; if (!io->string) { - if (io->in) - memcpy(&vcpu->arch.regs[VCPU_REGS_RAX], vcpu->arch.pio_data, - io->size); + if (io->in) { + val = kvm_register_read(vcpu, VCPU_REGS_RAX); + memcpy(&val, vcpu->arch.pio_data, io->size); + kvm_register_write(vcpu, VCPU_REGS_RAX, val); + } } else { if (io->in) { r = pio_copy_data(vcpu); - if (r) { - kvm_x86_ops->cache_regs(vcpu); + if (r) return r; - } } delta = 1; @@ -2248,19 +2262,24 @@ int complete_pio(struct kvm_vcpu *vcpu) * The size of the register should really depend on * current address size. */ - vcpu->arch.regs[VCPU_REGS_RCX] -= delta; + val = kvm_register_read(vcpu, VCPU_REGS_RCX); + val -= delta; + kvm_register_write(vcpu, VCPU_REGS_RCX, val); } if (io->down) delta = -delta; delta *= io->size; - if (io->in) - vcpu->arch.regs[VCPU_REGS_RDI] += delta; - else - vcpu->arch.regs[VCPU_REGS_RSI] += delta; + if (io->in) { + val = kvm_register_read(vcpu, VCPU_REGS_RDI); + val += delta; + kvm_register_write(vcpu, VCPU_REGS_RDI, val); + } else { + val = kvm_register_read(vcpu, VCPU_REGS_RSI); + val += delta; + kvm_register_write(vcpu, VCPU_REGS_RSI, val); + } } - kvm_x86_ops->decache_regs(vcpu); - io->count -= io->cur_count; io->cur_count = 0; @@ -2313,6 +2332,7 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, int size, unsigned port) { struct kvm_io_device *pio_dev; + unsigned long val; vcpu->run->exit_reason = KVM_EXIT_IO; vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT; @@ -2333,8 +2353,8 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, KVMTRACE_2D(IO_WRITE, vcpu, vcpu->run->io.port, (u32)size, handler); - kvm_x86_ops->cache_regs(vcpu); - memcpy(vcpu->arch.pio_data, &vcpu->arch.regs[VCPU_REGS_RAX], 4); + val = kvm_register_read(vcpu, VCPU_REGS_RAX); + memcpy(vcpu->arch.pio_data, &val, 4); kvm_x86_ops->skip_emulated_instruction(vcpu); @@ -2519,13 +2539,11 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) unsigned long nr, a0, a1, a2, a3, ret; int r = 1; - kvm_x86_ops->cache_regs(vcpu); - - nr = vcpu->arch.regs[VCPU_REGS_RAX]; - a0 = vcpu->arch.regs[VCPU_REGS_RBX]; - a1 = vcpu->arch.regs[VCPU_REGS_RCX]; - a2 = vcpu->arch.regs[VCPU_REGS_RDX]; - a3 = vcpu->arch.regs[VCPU_REGS_RSI]; + nr = kvm_register_read(vcpu, VCPU_REGS_RAX); + a0 = kvm_register_read(vcpu, VCPU_REGS_RBX); + a1 = kvm_register_read(vcpu, VCPU_REGS_RCX); + a2 = kvm_register_read(vcpu, VCPU_REGS_RDX); + a3 = kvm_register_read(vcpu, VCPU_REGS_RSI); KVMTRACE_1D(VMMCALL, vcpu, (u32)nr, handler); @@ -2548,8 +2566,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu) ret = -KVM_ENOSYS; break; } - vcpu->arch.regs[VCPU_REGS_RAX] = ret; - kvm_x86_ops->decache_regs(vcpu); + kvm_register_write(vcpu, VCPU_REGS_RAX, ret); ++vcpu->stat.hypercalls; return r; } @@ -2559,6 +2576,7 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu) { char instruction[3]; int ret = 0; + unsigned long rip = kvm_rip_read(vcpu); /* @@ -2568,9 +2586,8 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu) */ kvm_mmu_zap_all(vcpu->kvm); - kvm_x86_ops->cache_regs(vcpu); kvm_x86_ops->patch_hypercall(vcpu, instruction); - if (emulator_write_emulated(vcpu->arch.rip, instruction, 3, vcpu) + if (emulator_write_emulated(rip, instruction, 3, vcpu) != X86EMUL_CONTINUE) ret = -EFAULT; @@ -2700,13 +2717,12 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu) u32 function, index; struct kvm_cpuid_entry2 *e, *best; - kvm_x86_ops->cache_regs(vcpu); - function = vcpu->arch.regs[VCPU_REGS_RAX]; - index = vcpu->arch.regs[VCPU_REGS_RCX]; - vcpu->arch.regs[VCPU_REGS_RAX] = 0; - vcpu->arch.regs[VCPU_REGS_RBX] = 0; - vcpu->arch.regs[VCPU_REGS_RCX] = 0; - vcpu->arch.regs[VCPU_REGS_RDX] = 0; + function = kvm_register_read(vcpu, VCPU_REGS_RAX); + index = kvm_register_read(vcpu, VCPU_REGS_RCX); + kvm_register_write(vcpu, VCPU_REGS_RAX, 0); + kvm_register_write(vcpu, VCPU_REGS_RBX, 0); + kvm_register_write(vcpu, VCPU_REGS_RCX, 0); + kvm_register_write(vcpu, VCPU_REGS_RDX, 0); best = NULL; for (i = 0; i < vcpu->arch.cpuid_nent; ++i) { e = &vcpu->arch.cpuid_entries[i]; @@ -2724,18 +2740,17 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu) best = e; } if (best) { - vcpu->arch.regs[VCPU_REGS_RAX] = best->eax; - vcpu->arch.regs[VCPU_REGS_RBX] = best->ebx; - vcpu->arch.regs[VCPU_REGS_RCX] = best->ecx; - vcpu->arch.regs[VCPU_REGS_RDX] = best->edx; + kvm_register_write(vcpu, VCPU_REGS_RAX, best->eax); + kvm_register_write(vcpu, VCPU_REGS_RBX, best->ebx); + kvm_register_write(vcpu, VCPU_REGS_RCX, best->ecx); + kvm_register_write(vcpu, VCPU_REGS_RDX, best->edx); } - kvm_x86_ops->decache_regs(vcpu); kvm_x86_ops->skip_emulated_instruction(vcpu); KVMTRACE_5D(CPUID, vcpu, function, - (u32)vcpu->arch.regs[VCPU_REGS_RAX], - (u32)vcpu->arch.regs[VCPU_REGS_RBX], - (u32)vcpu->arch.regs[VCPU_REGS_RCX], - (u32)vcpu->arch.regs[VCPU_REGS_RDX], handler); + (u32)kvm_register_read(vcpu, VCPU_REGS_RAX), + (u32)kvm_register_read(vcpu, VCPU_REGS_RBX), + (u32)kvm_register_read(vcpu, VCPU_REGS_RCX), + (u32)kvm_register_read(vcpu, VCPU_REGS_RDX), handler); } EXPORT_SYMBOL_GPL(kvm_emulate_cpuid); @@ -2917,8 +2932,8 @@ again: * Profile KVM exit RIPs: */ if (unlikely(prof_on == KVM_PROFILING)) { - kvm_x86_ops->cache_regs(vcpu); - profile_hit(KVM_PROFILING, (void *)vcpu->arch.rip); + unsigned long rip = kvm_rip_read(vcpu); + profile_hit(KVM_PROFILING, (void *)rip); } if (vcpu->arch.exception.pending && kvm_x86_ops->exception_injected(vcpu)) @@ -2999,11 +3014,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } } #endif - if (kvm_run->exit_reason == KVM_EXIT_HYPERCALL) { - kvm_x86_ops->cache_regs(vcpu); - vcpu->arch.regs[VCPU_REGS_RAX] = kvm_run->hypercall.ret; - kvm_x86_ops->decache_regs(vcpu); - } + if (kvm_run->exit_reason == KVM_EXIT_HYPERCALL) + kvm_register_write(vcpu, VCPU_REGS_RAX, + kvm_run->hypercall.ret); r = __vcpu_run(vcpu, kvm_run); @@ -3019,28 +3032,26 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { vcpu_load(vcpu); - kvm_x86_ops->cache_regs(vcpu); - - regs->rax = vcpu->arch.regs[VCPU_REGS_RAX]; - regs->rbx = vcpu->arch.regs[VCPU_REGS_RBX]; - regs->rcx = vcpu->arch.regs[VCPU_REGS_RCX]; - regs->rdx = vcpu->arch.regs[VCPU_REGS_RDX]; - regs->rsi = vcpu->arch.regs[VCPU_REGS_RSI]; - regs->rdi = vcpu->arch.regs[VCPU_REGS_RDI]; - regs->rsp = vcpu->arch.regs[VCPU_REGS_RSP]; - regs->rbp = vcpu->arch.regs[VCPU_REGS_RBP]; + regs->rax = kvm_register_read(vcpu, VCPU_REGS_RAX); + regs->rbx = kvm_register_read(vcpu, VCPU_REGS_RBX); + regs->rcx = kvm_register_read(vcpu, VCPU_REGS_RCX); + regs->rdx = kvm_register_read(vcpu, VCPU_REGS_RDX); + regs->rsi = kvm_register_read(vcpu, VCPU_REGS_RSI); + regs->rdi = kvm_register_read(vcpu, VCPU_REGS_RDI); + regs->rsp = kvm_register_read(vcpu, VCPU_REGS_RSP); + regs->rbp = kvm_register_read(vcpu, VCPU_REGS_RBP); #ifdef CONFIG_X86_64 - regs->r8 = vcpu->arch.regs[VCPU_REGS_R8]; - regs->r9 = vcpu->arch.regs[VCPU_REGS_R9]; - regs->r10 = vcpu->arch.regs[VCPU_REGS_R10]; - regs->r11 = vcpu->arch.regs[VCPU_REGS_R11]; - regs->r12 = vcpu->arch.regs[VCPU_REGS_R12]; - regs->r13 = vcpu->arch.regs[VCPU_REGS_R13]; - regs->r14 = vcpu->arch.regs[VCPU_REGS_R14]; - regs->r15 = vcpu->arch.regs[VCPU_REGS_R15]; + regs->r8 = kvm_register_read(vcpu, VCPU_REGS_R8); + regs->r9 = kvm_register_read(vcpu, VCPU_REGS_R9); + regs->r10 = kvm_register_read(vcpu, VCPU_REGS_R10); + regs->r11 = kvm_register_read(vcpu, VCPU_REGS_R11); + regs->r12 = kvm_register_read(vcpu, VCPU_REGS_R12); + regs->r13 = kvm_register_read(vcpu, VCPU_REGS_R13); + regs->r14 = kvm_register_read(vcpu, VCPU_REGS_R14); + regs->r15 = kvm_register_read(vcpu, VCPU_REGS_R15); #endif - regs->rip = vcpu->arch.rip; + regs->rip = kvm_rip_read(vcpu); regs->rflags = kvm_x86_ops->get_rflags(vcpu); /* @@ -3058,29 +3069,29 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs) { vcpu_load(vcpu); - vcpu->arch.regs[VCPU_REGS_RAX] = regs->rax; - vcpu->arch.regs[VCPU_REGS_RBX] = regs->rbx; - vcpu->arch.regs[VCPU_REGS_RCX] = regs->rcx; - vcpu->arch.regs[VCPU_REGS_RDX] = regs->rdx; - vcpu->arch.regs[VCPU_REGS_RSI] = regs->rsi; - vcpu->arch.regs[VCPU_REGS_RDI] = regs->rdi; - vcpu->arch.regs[VCPU_REGS_RSP] = regs->rsp; - vcpu->arch.regs[VCPU_REGS_RBP] = regs->rbp; + kvm_register_write(vcpu, VCPU_REGS_RAX, regs->rax); + kvm_register_write(vcpu, VCPU_REGS_RBX, regs->rbx); + kvm_register_write(vcpu, VCPU_REGS_RCX, regs->rcx); + kvm_register_write(vcpu, VCPU_REGS_RDX, regs->rdx); + kvm_register_write(vcpu, VCPU_REGS_RSI, regs->rsi); + kvm_register_write(vcpu, VCPU_REGS_RDI, regs->rdi); + kvm_register_write(vcpu, VCPU_REGS_RSP, regs->rsp); + kvm_register_write(vcpu, VCPU_REGS_RBP, regs->rbp); #ifdef CONFIG_X86_64 - vcpu->arch.regs[VCPU_REGS_R8] = regs->r8; - vcpu->arch.regs[VCPU_REGS_R9] = regs->r9; - vcpu->arch.regs[VCPU_REGS_R10] = regs->r10; - vcpu->arch.regs[VCPU_REGS_R11] = regs->r11; - vcpu->arch.regs[VCPU_REGS_R12] = regs->r12; - vcpu->arch.regs[VCPU_REGS_R13] = regs->r13; - vcpu->arch.regs[VCPU_REGS_R14] = regs->r14; - vcpu->arch.regs[VCPU_REGS_R15] = regs->r15; + kvm_register_write(vcpu, VCPU_REGS_R8, regs->r8); + kvm_register_write(vcpu, VCPU_REGS_R9, regs->r9); + kvm_register_write(vcpu, VCPU_REGS_R10, regs->r10); + kvm_register_write(vcpu, VCPU_REGS_R11, regs->r11); + kvm_register_write(vcpu, VCPU_REGS_R12, regs->r12); + kvm_register_write(vcpu, VCPU_REGS_R13, regs->r13); + kvm_register_write(vcpu, VCPU_REGS_R14, regs->r14); + kvm_register_write(vcpu, VCPU_REGS_R15, regs->r15); + #endif - vcpu->arch.rip = regs->rip; + kvm_rip_write(vcpu, regs->rip); kvm_x86_ops->set_rflags(vcpu, regs->rflags); - kvm_x86_ops->decache_regs(vcpu); vcpu->arch.exception.pending = false; @@ -3316,17 +3327,16 @@ static void save_state_to_tss32(struct kvm_vcpu *vcpu, struct tss_segment_32 *tss) { tss->cr3 = vcpu->arch.cr3; - tss->eip = vcpu->arch.rip; + tss->eip = kvm_rip_read(vcpu); tss->eflags = kvm_x86_ops->get_rflags(vcpu); - tss->eax = vcpu->arch.regs[VCPU_REGS_RAX]; - tss->ecx = vcpu->arch.regs[VCPU_REGS_RCX]; - tss->edx = vcpu->arch.regs[VCPU_REGS_RDX]; - tss->ebx = vcpu->arch.regs[VCPU_REGS_RBX]; - tss->esp = vcpu->arch.regs[VCPU_REGS_RSP]; - tss->ebp = vcpu->arch.regs[VCPU_REGS_RBP]; - tss->esi = vcpu->arch.regs[VCPU_REGS_RSI]; - tss->edi = vcpu->arch.regs[VCPU_REGS_RDI]; - + tss->eax = kvm_register_read(vcpu, VCPU_REGS_RAX); + tss->ecx = kvm_register_read(vcpu, VCPU_REGS_RCX); + tss->edx = kvm_register_read(vcpu, VCPU_REGS_RDX); + tss->ebx = kvm_register_read(vcpu, VCPU_REGS_RBX); + tss->esp = kvm_register_read(vcpu, VCPU_REGS_RSP); + tss->ebp = kvm_register_read(vcpu, VCPU_REGS_RBP); + tss->esi = kvm_register_read(vcpu, VCPU_REGS_RSI); + tss->edi = kvm_register_read(vcpu, VCPU_REGS_RDI); tss->es = get_segment_selector(vcpu, VCPU_SREG_ES); tss->cs = get_segment_selector(vcpu, VCPU_SREG_CS); tss->ss = get_segment_selector(vcpu, VCPU_SREG_SS); @@ -3342,17 +3352,17 @@ static int load_state_from_tss32(struct kvm_vcpu *vcpu, { kvm_set_cr3(vcpu, tss->cr3); - vcpu->arch.rip = tss->eip; + kvm_rip_write(vcpu, tss->eip); kvm_x86_ops->set_rflags(vcpu, tss->eflags | 2); - vcpu->arch.regs[VCPU_REGS_RAX] = tss->eax; - vcpu->arch.regs[VCPU_REGS_RCX] = tss->ecx; - vcpu->arch.regs[VCPU_REGS_RDX] = tss->edx; - vcpu->arch.regs[VCPU_REGS_RBX] = tss->ebx; - vcpu->arch.regs[VCPU_REGS_RSP] = tss->esp; - vcpu->arch.regs[VCPU_REGS_RBP] = tss->ebp; - vcpu->arch.regs[VCPU_REGS_RSI] = tss->esi; - vcpu->arch.regs[VCPU_REGS_RDI] = tss->edi; + kvm_register_write(vcpu, VCPU_REGS_RAX, tss->eax); + kvm_register_write(vcpu, VCPU_REGS_RCX, tss->ecx); + kvm_register_write(vcpu, VCPU_REGS_RDX, tss->edx); + kvm_register_write(vcpu, VCPU_REGS_RBX, tss->ebx); + kvm_register_write(vcpu, VCPU_REGS_RSP, tss->esp); + kvm_register_write(vcpu, VCPU_REGS_RBP, tss->ebp); + kvm_register_write(vcpu, VCPU_REGS_RSI, tss->esi); + kvm_register_write(vcpu, VCPU_REGS_RDI, tss->edi); if (kvm_load_segment_descriptor(vcpu, tss->ldt_selector, 0, VCPU_SREG_LDTR)) return 1; @@ -3380,16 +3390,16 @@ static int load_state_from_tss32(struct kvm_vcpu *vcpu, static void save_state_to_tss16(struct kvm_vcpu *vcpu, struct tss_segment_16 *tss) { - tss->ip = vcpu->arch.rip; + tss->ip = kvm_rip_read(vcpu); tss->flag = kvm_x86_ops->get_rflags(vcpu); - tss->ax = vcpu->arch.regs[VCPU_REGS_RAX]; - tss->cx = vcpu->arch.regs[VCPU_REGS_RCX]; - tss->dx = vcpu->arch.regs[VCPU_REGS_RDX]; - tss->bx = vcpu->arch.regs[VCPU_REGS_RBX]; - tss->sp = vcpu->arch.regs[VCPU_REGS_RSP]; - tss->bp = vcpu->arch.regs[VCPU_REGS_RBP]; - tss->si = vcpu->arch.regs[VCPU_REGS_RSI]; - tss->di = vcpu->arch.regs[VCPU_REGS_RDI]; + tss->ax = kvm_register_read(vcpu, VCPU_REGS_RAX); + tss->cx = kvm_register_read(vcpu, VCPU_REGS_RCX); + tss->dx = kvm_register_read(vcpu, VCPU_REGS_RDX); + tss->bx = kvm_register_read(vcpu, VCPU_REGS_RBX); + tss->sp = kvm_register_read(vcpu, VCPU_REGS_RSP); + tss->bp = kvm_register_read(vcpu, VCPU_REGS_RBP); + tss->si = kvm_register_read(vcpu, VCPU_REGS_RSI); + tss->di = kvm_register_read(vcpu, VCPU_REGS_RDI); tss->es = get_segment_selector(vcpu, VCPU_SREG_ES); tss->cs = get_segment_selector(vcpu, VCPU_SREG_CS); @@ -3402,16 +3412,16 @@ static void save_state_to_tss16(struct kvm_vcpu *vcpu, static int load_state_from_tss16(struct kvm_vcpu *vcpu, struct tss_segment_16 *tss) { - vcpu->arch.rip = tss->ip; + kvm_rip_write(vcpu, tss->ip); kvm_x86_ops->set_rflags(vcpu, tss->flag | 2); - vcpu->arch.regs[VCPU_REGS_RAX] = tss->ax; - vcpu->arch.regs[VCPU_REGS_RCX] = tss->cx; - vcpu->arch.regs[VCPU_REGS_RDX] = tss->dx; - vcpu->arch.regs[VCPU_REGS_RBX] = tss->bx; - vcpu->arch.regs[VCPU_REGS_RSP] = tss->sp; - vcpu->arch.regs[VCPU_REGS_RBP] = tss->bp; - vcpu->arch.regs[VCPU_REGS_RSI] = tss->si; - vcpu->arch.regs[VCPU_REGS_RDI] = tss->di; + kvm_register_write(vcpu, VCPU_REGS_RAX, tss->ax); + kvm_register_write(vcpu, VCPU_REGS_RCX, tss->cx); + kvm_register_write(vcpu, VCPU_REGS_RDX, tss->dx); + kvm_register_write(vcpu, VCPU_REGS_RBX, tss->bx); + kvm_register_write(vcpu, VCPU_REGS_RSP, tss->sp); + kvm_register_write(vcpu, VCPU_REGS_RBP, tss->bp); + kvm_register_write(vcpu, VCPU_REGS_RSI, tss->si); + kvm_register_write(vcpu, VCPU_REGS_RDI, tss->di); if (kvm_load_segment_descriptor(vcpu, tss->ldt, 0, VCPU_SREG_LDTR)) return 1; @@ -3534,7 +3544,6 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason) } kvm_x86_ops->skip_emulated_instruction(vcpu); - kvm_x86_ops->cache_regs(vcpu); if (nseg_desc.type & 8) ret = kvm_task_switch_32(vcpu, tss_selector, old_tss_base, @@ -3559,7 +3568,6 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason) tr_seg.type = 11; kvm_set_segment(vcpu, &tr_seg, VCPU_SREG_TR); out: - kvm_x86_ops->decache_regs(vcpu); return ret; } EXPORT_SYMBOL_GPL(kvm_task_switch); diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index f2f90468f8b1..d5da7f14d536 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -26,6 +26,7 @@ #define DPRINTF(_f, _a ...) printf(_f , ## _a) #else #include +#include "kvm_cache_regs.h" #define DPRINTF(x...) do {} while (0) #endif #include @@ -839,7 +840,7 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) /* Shadow copy of register state. Committed on successful emulation. */ memset(c, 0, sizeof(struct decode_cache)); - c->eip = ctxt->vcpu->arch.rip; + c->eip = kvm_rip_read(ctxt->vcpu); ctxt->cs_base = seg_base(ctxt, VCPU_SREG_CS); memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs); @@ -1267,7 +1268,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) if (c->rep_prefix && (c->d & String)) { /* All REP prefixes have the same first termination condition */ if (c->regs[VCPU_REGS_RCX] == 0) { - ctxt->vcpu->arch.rip = c->eip; + kvm_rip_write(ctxt->vcpu, c->eip); goto done; } /* The second termination condition only applies for REPE @@ -1281,17 +1282,17 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) (c->b == 0xae) || (c->b == 0xaf)) { if ((c->rep_prefix == REPE_PREFIX) && ((ctxt->eflags & EFLG_ZF) == 0)) { - ctxt->vcpu->arch.rip = c->eip; + kvm_rip_write(ctxt->vcpu, c->eip); goto done; } if ((c->rep_prefix == REPNE_PREFIX) && ((ctxt->eflags & EFLG_ZF) == EFLG_ZF)) { - ctxt->vcpu->arch.rip = c->eip; + kvm_rip_write(ctxt->vcpu, c->eip); goto done; } } c->regs[VCPU_REGS_RCX]--; - c->eip = ctxt->vcpu->arch.rip; + c->eip = kvm_rip_read(ctxt->vcpu); } if (c->src.type == OP_MEM) { @@ -1768,7 +1769,7 @@ writeback: /* Commit shadow register state. */ memcpy(ctxt->vcpu->arch.regs, c->regs, sizeof c->regs); - ctxt->vcpu->arch.rip = c->eip; + kvm_rip_write(ctxt->vcpu, c->eip); done: if (rc == X86EMUL_UNHANDLEABLE) { @@ -1793,7 +1794,7 @@ twobyte_insn: goto done; /* Let the processor re-execute the fixed hypercall */ - c->eip = ctxt->vcpu->arch.rip; + c->eip = kvm_rip_read(ctxt->vcpu); /* Disable writeback. */ c->dst.type = OP_NONE; break; @@ -1889,7 +1890,7 @@ twobyte_insn: rc = kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data); if (rc) { kvm_inject_gp(ctxt->vcpu, 0); - c->eip = ctxt->vcpu->arch.rip; + c->eip = kvm_rip_read(ctxt->vcpu); } rc = X86EMUL_CONTINUE; c->dst.type = OP_NONE; @@ -1899,7 +1900,7 @@ twobyte_insn: rc = kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data); if (rc) { kvm_inject_gp(ctxt->vcpu, 0); - c->eip = ctxt->vcpu->arch.rip; + c->eip = kvm_rip_read(ctxt->vcpu); } else { c->regs[VCPU_REGS_RAX] = (u32)msr_data; c->regs[VCPU_REGS_RDX] = msr_data >> 32; diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 69794547f514..8c886be0103f 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -89,7 +89,7 @@ extern struct list_head vm_list; struct kvm_vcpu; struct kvm; -enum { +enum kvm_reg { VCPU_REGS_RAX = 0, VCPU_REGS_RCX = 1, VCPU_REGS_RDX = 2, @@ -108,6 +108,7 @@ enum { VCPU_REGS_R14 = 14, VCPU_REGS_R15 = 15, #endif + VCPU_REGS_RIP, NR_VCPU_REGS }; @@ -219,8 +220,13 @@ struct kvm_vcpu_arch { int interrupt_window_open; unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */ DECLARE_BITMAP(irq_pending, KVM_NR_INTERRUPTS); - unsigned long regs[NR_VCPU_REGS]; /* for rsp: vcpu_load_rsp_rip() */ - unsigned long rip; /* needs vcpu_load_rsp_rip() */ + /* + * rip and regs accesses must go through + * kvm_{register,rip}_{read,write} functions. + */ + unsigned long regs[NR_VCPU_REGS]; + u32 regs_avail; + u32 regs_dirty; unsigned long cr0; unsigned long cr2; @@ -414,8 +420,7 @@ struct kvm_x86_ops { unsigned long (*get_dr)(struct kvm_vcpu *vcpu, int dr); void (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value, int *exception); - void (*cache_regs)(struct kvm_vcpu *vcpu); - void (*decache_regs)(struct kvm_vcpu *vcpu); + void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg); unsigned long (*get_rflags)(struct kvm_vcpu *vcpu); void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); -- GitLab From d98e6346350ac909f095768beb28b82368bd126f Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Tue, 1 Jul 2008 16:23:49 -0500 Subject: [PATCH 4849/6244] KVM: Move KVM TRACE DEFINITIONS to common header Move KVM trace definitions from x86 specific kvm headers to common kvm headers to create a cross-architecture numbering scheme for trace events. This means the kvmtrace_format userspace tool won't need to know which architecture produced the log file being processed. Signed-off-by: Jerone Young Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- include/asm-x86/kvm.h | 22 ---------------------- include/asm-x86/kvm_host.h | 18 ------------------ include/linux/kvm.h | 21 +++++++++++++++++++++ include/linux/kvm_host.h | 19 +++++++++++++++++++ 4 files changed, 40 insertions(+), 40 deletions(-) diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h index 78e954db1e7f..ba0dd791fadf 100644 --- a/include/asm-x86/kvm.h +++ b/include/asm-x86/kvm.h @@ -208,26 +208,4 @@ struct kvm_pit_channel_state { struct kvm_pit_state { struct kvm_pit_channel_state channels[3]; }; - -#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) -#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) -#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) -#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) -#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) -#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) -#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) -#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) -#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) -#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) -#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) -#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) -#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) -#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) -#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) -#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) -#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) -#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) -#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) -#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) - #endif /* ASM_X86__KVM_H */ diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 8c886be0103f..4f2bd884fd3a 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -691,24 +691,6 @@ enum { TASK_SWITCH_GATE = 3, }; -#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 5, d1, d2, d3, d4, d5) -#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 4, d1, d2, d3, d4, 0) -#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 3, d1, d2, d3, 0, 0) -#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 2, d1, d2, 0, 0, 0) -#define KVMTRACE_1D(evt, vcpu, d1, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 1, d1, 0, 0, 0, 0) -#define KVMTRACE_0D(evt, vcpu, name) \ - trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ - vcpu, 0, 0, 0, 0, 0, 0) #ifdef CONFIG_64BIT # define KVM_EX_ENTRY ".quad" diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 70a30651cd12..8a3ceadb1366 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -440,4 +440,25 @@ struct kvm_trace_rec { #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state) #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state) +#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02) +#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03) +#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04) +#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05) +#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06) +#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07) +#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08) +#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09) +#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A) +#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B) +#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C) +#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D) +#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E) +#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F) +#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10) +#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11) +#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12) +#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) +#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) +#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) + #endif diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 8525afc53107..a18aaad2ab79 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -326,6 +326,25 @@ struct kvm_stats_debugfs_item { extern struct kvm_stats_debugfs_item debugfs_entries[]; extern struct dentry *kvm_debugfs_dir; +#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 5, d1, d2, d3, d4, d5) +#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 4, d1, d2, d3, d4, 0) +#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 3, d1, d2, d3, 0, 0) +#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 2, d1, d2, 0, 0, 0) +#define KVMTRACE_1D(evt, vcpu, d1, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 1, d1, 0, 0, 0, 0) +#define KVMTRACE_0D(evt, vcpu, name) \ + trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \ + vcpu, 0, 0, 0, 0, 0, 0) + #ifdef CONFIG_KVM_TRACE int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg); void kvm_trace_cleanup(void); -- GitLab From 867767a365ee74a3adcfaba27075eefb66b14bfd Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Fri, 27 Jun 2008 15:55:02 +0300 Subject: [PATCH 4850/6244] KVM: Introduce kvm_set_irq to inject interrupts in guests This function injects an interrupt into the guest given the kvm struct, the (guest) irq number and the interrupt level. Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/irq.c | 11 +++++++++++ arch/x86/kvm/irq.h | 2 ++ 2 files changed, 13 insertions(+) diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 76d736b5f664..0d9e55275af1 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -100,3 +100,14 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu) __kvm_migrate_apic_timer(vcpu); __kvm_migrate_pit_timer(vcpu); } + +/* This should be called with the kvm->lock mutex held */ +void kvm_set_irq(struct kvm *kvm, int irq, int level) +{ + /* Not possible to detect if the guest uses the PIC or the + * IOAPIC. So set the bit in both. The guest will ignore + * writes to the unused one. + */ + kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level); + kvm_pic_set_irq(pic_irqchip(kvm), irq, level); +} diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 7ca47cbb48bb..07ff2aef0c13 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -82,6 +82,8 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); +void kvm_set_irq(struct kvm *kvm, int irq, int level); + void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu); -- GitLab From 31aa2b44afd5e73365221b1de66f6081e4616f33 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 11 Jul 2008 17:59:46 +0300 Subject: [PATCH 4851/6244] KVM: MMU: Separate the code for unlinking a shadow page from its parents Place into own function, in preparation for further cleanups. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3da2508eb22a..81016a3a6fd3 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -991,11 +991,10 @@ static void kvm_mmu_reset_last_pte_updated(struct kvm *kvm) kvm->vcpus[i]->arch.last_pte_updated = NULL; } -static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) +static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp) { u64 *parent_pte; - ++kvm->stat.mmu_shadow_zapped; while (sp->multimapped || sp->parent_pte) { if (!sp->multimapped) parent_pte = sp->parent_pte; @@ -1010,7 +1009,13 @@ static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) kvm_mmu_put_page(sp, parent_pte); set_shadow_pte(parent_pte, shadow_trap_nonpresent_pte); } +} + +static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) +{ + ++kvm->stat.mmu_shadow_zapped; kvm_mmu_page_unlink_children(kvm, sp); + kvm_mmu_unlink_parents(kvm, sp); if (!sp->root_count) { if (!sp->role.metaphysical && !sp->role.invalid) unaccount_shadowed(kvm, sp->gfn); -- GitLab From 5b5c6a5a60801effb559e787a947885d9850a7da Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 11 Jul 2008 18:07:26 +0300 Subject: [PATCH 4852/6244] KVM: MMU: Simplify kvm_mmu_zap_page() The twisty maze of conditionals can be reduced. [joerg: fix tlb flushing] Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 81016a3a6fd3..c3afbfe6b0c1 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -955,7 +955,6 @@ static void kvm_mmu_page_unlink_children(struct kvm *kvm, rmap_remove(kvm, &pt[i]); pt[i] = shadow_trap_nonpresent_pte; } - kvm_flush_remote_tlbs(kvm); return; } @@ -974,7 +973,6 @@ static void kvm_mmu_page_unlink_children(struct kvm *kvm, } pt[i] = shadow_trap_nonpresent_pte; } - kvm_flush_remote_tlbs(kvm); } static void kvm_mmu_put_page(struct kvm_mmu_page *sp, u64 *parent_pte) @@ -1016,18 +1014,16 @@ static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) ++kvm->stat.mmu_shadow_zapped; kvm_mmu_page_unlink_children(kvm, sp); kvm_mmu_unlink_parents(kvm, sp); + kvm_flush_remote_tlbs(kvm); + if (!sp->role.invalid && !sp->role.metaphysical) + unaccount_shadowed(kvm, sp->gfn); if (!sp->root_count) { - if (!sp->role.metaphysical && !sp->role.invalid) - unaccount_shadowed(kvm, sp->gfn); hlist_del(&sp->hash_link); kvm_mmu_free_page(kvm, sp); } else { - int invalid = sp->role.invalid; - list_move(&sp->link, &kvm->arch.active_mmu_pages); sp->role.invalid = 1; + list_move(&sp->link, &kvm->arch.active_mmu_pages); kvm_reload_remote_mmus(kvm); - if (!sp->role.metaphysical && !invalid) - unaccount_shadowed(kvm, sp->gfn); } kvm_mmu_reset_last_pte_updated(kvm); } @@ -1842,7 +1838,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, index = kvm_page_table_hashfn(gfn); bucket = &vcpu->kvm->arch.mmu_page_hash[index]; hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) { - if (sp->gfn != gfn || sp->role.metaphysical) + if (sp->gfn != gfn || sp->role.metaphysical || sp->role.invalid) continue; pte_size = sp->role.glevels == PT32_ROOT_LEVEL ? 4 : 8; misaligned = (offset ^ (offset + bytes - 1)) & ~(pte_size - 1); -- GitLab From cf393f75661f4b17451377b353833eb5502a9688 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 1 Jul 2008 16:20:21 +0300 Subject: [PATCH 4853/6244] KVM: Move NMI IRET fault processing to new vmx_complete_interrupts() Currently most interrupt exit processing is handled on the entry path, which is confusing. Move the NMI IRET fault processing to a new function, vmx_complete_interrupts(), which is called on the vmexit path. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5a3a0326c277..2adfacb00336 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2817,6 +2817,27 @@ static void enable_intr_window(struct kvm_vcpu *vcpu) enable_irq_window(vcpu); } +static void vmx_complete_interrupts(struct vcpu_vmx *vmx) +{ + u32 exit_intr_info; + bool unblock_nmi; + u8 vector; + + exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO); + if (cpu_has_virtual_nmis()) { + unblock_nmi = (exit_intr_info & INTR_INFO_UNBLOCK_NMI) != 0; + vector = exit_intr_info & INTR_INFO_VECTOR_MASK; + /* + * SDM 3: 25.7.1.2 + * Re-set bit "block by NMI" before VM entry if vmexit caused by + * a guest IRET fault. + */ + if (unblock_nmi && vector != DF_VECTOR) + vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, + GUEST_INTR_STATE_NMI); + } +} + static void vmx_intr_assist(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); @@ -2873,23 +2894,12 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) return; } if (cpu_has_virtual_nmis()) { - /* - * SDM 3: 25.7.1.2 - * Re-set bit "block by NMI" before VM entry if vmexit caused by - * a guest IRET fault. - */ - if ((exit_intr_info_field & INTR_INFO_UNBLOCK_NMI) && - (exit_intr_info_field & INTR_INFO_VECTOR_MASK) != 8) - vmcs_write32(GUEST_INTERRUPTIBILITY_INFO, - vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) | - GUEST_INTR_STATE_NMI); - else if (vcpu->arch.nmi_pending) { + if (vcpu->arch.nmi_pending) { if (vmx_nmi_enabled(vcpu)) vmx_inject_nmi(vcpu); enable_intr_window(vcpu); return; } - } if (!kvm_cpu_has_interrupt(vcpu)) return; @@ -3076,6 +3086,8 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) KVMTRACE_0D(NMI, vcpu, handler); asm("int $2"); } + + vmx_complete_interrupts(vmx); } static void vmx_free_vmcs(struct kvm_vcpu *vcpu) -- GitLab From 668f612fa0d8d4120ec5dc0725d7e1ca3152a954 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 2 Jul 2008 09:28:55 +0300 Subject: [PATCH 4854/6244] KVM: VMX: Move nmi injection failure processing to vm exit path Instead of processing nmi injection failure in the vm entry path, move it to the vm exit path (vm_complete_interrupts()). This separates nmi injection from nmi post-processing, and moves the nmi state from the VT state into vcpu state (new variable nmi_injected specifying an injection in progress). Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 49 +++++++++++++++++++++++++------------- include/asm-x86/kvm_host.h | 1 + 2 files changed, 33 insertions(+), 17 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2adfacb00336..ce13b53d21c4 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2151,7 +2151,6 @@ static void vmx_inject_nmi(struct kvm_vcpu *vcpu) { vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, INTR_TYPE_NMI_INTR | INTR_INFO_VALID_MASK | NMI_VECTOR); - vcpu->arch.nmi_pending = 0; } static void kvm_do_inject_irq(struct kvm_vcpu *vcpu) @@ -2820,8 +2819,11 @@ static void enable_intr_window(struct kvm_vcpu *vcpu) static void vmx_complete_interrupts(struct vcpu_vmx *vmx) { u32 exit_intr_info; + u32 idt_vectoring_info; bool unblock_nmi; u8 vector; + int type; + bool idtv_info_valid; exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO); if (cpu_has_virtual_nmis()) { @@ -2836,18 +2838,34 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); } + + idt_vectoring_info = vmx->idt_vectoring_info; + idtv_info_valid = idt_vectoring_info & VECTORING_INFO_VALID_MASK; + vector = idt_vectoring_info & VECTORING_INFO_VECTOR_MASK; + type = idt_vectoring_info & VECTORING_INFO_TYPE_MASK; + if (vmx->vcpu.arch.nmi_injected) { + /* + * SDM 3: 25.7.1.2 + * Clear bit "block by NMI" before VM entry if a NMI delivery + * faulted. + */ + if (idtv_info_valid && type == INTR_TYPE_NMI_INTR) + vmcs_clear_bits(GUEST_INTERRUPTIBILITY_INFO, + GUEST_INTR_STATE_NMI); + else + vmx->vcpu.arch.nmi_injected = false; + } } static void vmx_intr_assist(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); - u32 idtv_info_field, intr_info_field, exit_intr_info_field; + u32 idtv_info_field, intr_info_field; int vector; update_tpr_threshold(vcpu); intr_info_field = vmcs_read32(VM_ENTRY_INTR_INFO_FIELD); - exit_intr_info_field = vmcs_read32(VM_EXIT_INTR_INFO); idtv_info_field = vmx->idt_vectoring_info; if (intr_info_field & INTR_INFO_VALID_MASK) { if (idtv_info_field & INTR_INFO_VALID_MASK) { @@ -2871,17 +2889,6 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) KVMTRACE_1D(REDELIVER_EVT, vcpu, idtv_info_field, handler); - /* - * SDM 3: 25.7.1.2 - * Clear bit "block by NMI" before VM entry if a NMI delivery - * faulted. - */ - if ((idtv_info_field & VECTORING_INFO_TYPE_MASK) - == INTR_TYPE_NMI_INTR && cpu_has_virtual_nmis()) - vmcs_write32(GUEST_INTERRUPTIBILITY_INFO, - vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & - ~GUEST_INTR_STATE_NMI); - vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, idtv_info_field & ~INTR_INFO_RESVD_BITS_MASK); vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, @@ -2894,9 +2901,17 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) return; } if (cpu_has_virtual_nmis()) { - if (vcpu->arch.nmi_pending) { - if (vmx_nmi_enabled(vcpu)) - vmx_inject_nmi(vcpu); + if (vcpu->arch.nmi_pending && !vcpu->arch.nmi_injected) { + if (vmx_nmi_enabled(vcpu)) { + vcpu->arch.nmi_pending = false; + vcpu->arch.nmi_injected = true; + } else { + enable_intr_window(vcpu); + return; + } + } + if (vcpu->arch.nmi_injected) { + vmx_inject_nmi(vcpu); enable_intr_window(vcpu); return; } diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 4f2bd884fd3a..7cf69fd1dcfe 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -300,6 +300,7 @@ struct kvm_vcpu_arch { struct page *time_page; bool nmi_pending; + bool nmi_injected; u64 mtrr[0x100]; }; -- GitLab From 26eef70c3e8c76e73dff2579c792fc7355f8a291 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 3 Jul 2008 14:59:22 +0300 Subject: [PATCH 4855/6244] KVM: Clear exception queue before emulating an instruction If we're emulating an instruction, either it will succeed, in which case any previously queued exception will be spurious, or we will requeue the same exception. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 ++ arch/x86/kvm/x86.h | 11 +++++++++++ 2 files changed, 13 insertions(+) create mode 100644 arch/x86/kvm/x86.h diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2f0696bc7d2f..5620df2685db 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -20,6 +20,7 @@ #include "i8254.h" #include "tss.h" #include "kvm_cache_regs.h" +#include "x86.h" #include #include @@ -2121,6 +2122,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu, int r; struct decode_cache *c; + kvm_clear_exception_queue(vcpu); vcpu->arch.mmio_fault_cr2 = cr2; /* * TODO: fix x86_emulate.c to use guest_read/write_register diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h new file mode 100644 index 000000000000..c666649c4bb2 --- /dev/null +++ b/arch/x86/kvm/x86.h @@ -0,0 +1,11 @@ +#ifndef ARCH_X86_KVM_X86_H +#define ARCH_X86_KVM_X86_H + +#include + +static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) +{ + vcpu->arch.exception.pending = false; +} + +#endif -- GitLab From 35920a356957eea9fd1f9da043f93469e8d72eab Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 3 Jul 2008 14:50:12 +0300 Subject: [PATCH 4856/6244] KVM: VMX: Fix pending exception processing The vmx code assumes that IDT-Vectoring can only be set when an exception is injected due to the exception in question. That's not true, however: if the exception is injected correctly, and later another exception occurs but its delivery is blocked due to a fault, then we will incorrectly assume the first exception was not delivered. Fix by unconditionally dequeuing the pending exception, and requeuing it (or the second exception) if we see it in the IDT-Vectoring field. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ce13b53d21c4..ed4fe8e72ad0 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -27,6 +27,7 @@ #include #include #include "kvm_cache_regs.h" +#include "x86.h" #include #include @@ -744,9 +745,7 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr, static bool vmx_exception_injected(struct kvm_vcpu *vcpu) { - struct vcpu_vmx *vmx = to_vmx(vcpu); - - return !(vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK); + return false; } /* @@ -2824,6 +2823,7 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) u8 vector; int type; bool idtv_info_valid; + u32 error; exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO); if (cpu_has_virtual_nmis()) { @@ -2855,6 +2855,15 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) else vmx->vcpu.arch.nmi_injected = false; } + kvm_clear_exception_queue(&vmx->vcpu); + if (idtv_info_valid && type == INTR_TYPE_EXCEPTION) { + if (idt_vectoring_info & VECTORING_INFO_DELIVER_CODE_MASK) { + error = vmcs_read32(IDT_VECTORING_ERROR_CODE); + kvm_queue_exception_e(&vmx->vcpu, vector, error); + } else + kvm_queue_exception(&vmx->vcpu, vector); + vmx->idt_vectoring_info = 0; + } } static void vmx_intr_assist(struct kvm_vcpu *vcpu) -- GitLab From 937a7eaef9f08342958d17055a350982b7bd92cb Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 3 Jul 2008 15:17:01 +0300 Subject: [PATCH 4857/6244] KVM: Add a pending interrupt queue Similar to the exception queue, this hold interrupts that have been accepted by the virtual processor core but not yet injected. Not yet used. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.h | 11 +++++++++++ include/asm-x86/kvm_host.h | 5 +++++ 2 files changed, 16 insertions(+) diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index c666649c4bb2..6a4be78a7384 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -8,4 +8,15 @@ static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) vcpu->arch.exception.pending = false; } +static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector) +{ + vcpu->arch.interrupt.pending = true; + vcpu->arch.interrupt.nr = vector; +} + +static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu) +{ + vcpu->arch.interrupt.pending = false; +} + #endif diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 7cf69fd1dcfe..65c6a0e5b739 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -275,6 +275,11 @@ struct kvm_vcpu_arch { u32 error_code; } exception; + struct kvm_queued_interrupt { + bool pending; + u8 nr; + } interrupt; + struct { int active; u8 save_iopl; -- GitLab From f7d9238f5dc9306fd3bf1653c2939eef72f94d06 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 3 Jul 2008 16:14:28 +0300 Subject: [PATCH 4858/6244] KVM: VMX: Move interrupt post-processing to vmx_complete_interrupts() Instead of looking at failed injections in the vm entry path, move processing to the exit path in vmx_complete_interrupts(). This simplifes the logic and removes any state that is hidden in vmx registers. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 77 ++++++++++++---------------------------------- 1 file changed, 20 insertions(+), 57 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ed4fe8e72ad0..e8fed9b8756e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1002,17 +1002,9 @@ static int set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg) static int vmx_get_irq(struct kvm_vcpu *vcpu) { - struct vcpu_vmx *vmx = to_vmx(vcpu); - u32 idtv_info_field; - - idtv_info_field = vmx->idt_vectoring_info; - if (idtv_info_field & INTR_INFO_VALID_MASK) { - if (is_external_interrupt(idtv_info_field)) - return idtv_info_field & VECTORING_INFO_VECTOR_MASK; - else - printk(KERN_DEBUG "pending exception: not handled yet\n"); - } - return -1; + if (!vcpu->arch.interrupt.pending) + return -1; + return vcpu->arch.interrupt.nr; } static __init int cpu_has_kvm_support(void) @@ -2293,7 +2285,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) cr2 = vmcs_readl(EXIT_QUALIFICATION); KVMTRACE_3D(PAGE_FAULT, vcpu, error_code, (u32)cr2, (u32)((u64)cr2 >> 32), handler); - if (vect_info & VECTORING_INFO_VALID_MASK) + if (vcpu->arch.interrupt.pending || vcpu->arch.exception.pending) kvm_mmu_unprotect_page_virt(vcpu, cr2); return kvm_mmu_page_fault(vcpu, cr2, error_code); } @@ -2864,51 +2856,20 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) kvm_queue_exception(&vmx->vcpu, vector); vmx->idt_vectoring_info = 0; } + kvm_clear_interrupt_queue(&vmx->vcpu); + if (idtv_info_valid && type == INTR_TYPE_EXT_INTR) { + kvm_queue_interrupt(&vmx->vcpu, vector); + vmx->idt_vectoring_info = 0; + } } static void vmx_intr_assist(struct kvm_vcpu *vcpu) { - struct vcpu_vmx *vmx = to_vmx(vcpu); - u32 idtv_info_field, intr_info_field; - int vector; + u32 intr_info_field; update_tpr_threshold(vcpu); intr_info_field = vmcs_read32(VM_ENTRY_INTR_INFO_FIELD); - idtv_info_field = vmx->idt_vectoring_info; - if (intr_info_field & INTR_INFO_VALID_MASK) { - if (idtv_info_field & INTR_INFO_VALID_MASK) { - /* TODO: fault when IDT_Vectoring */ - if (printk_ratelimit()) - printk(KERN_ERR "Fault when IDT_Vectoring\n"); - } - enable_intr_window(vcpu); - return; - } - if (unlikely(idtv_info_field & INTR_INFO_VALID_MASK)) { - if ((idtv_info_field & VECTORING_INFO_TYPE_MASK) - == INTR_TYPE_EXT_INTR - && vcpu->arch.rmode.active) { - u8 vect = idtv_info_field & VECTORING_INFO_VECTOR_MASK; - - vmx_inject_irq(vcpu, vect); - enable_intr_window(vcpu); - return; - } - - KVMTRACE_1D(REDELIVER_EVT, vcpu, idtv_info_field, handler); - - vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, idtv_info_field - & ~INTR_INFO_RESVD_BITS_MASK); - vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, - vmcs_read32(VM_EXIT_INSTRUCTION_LEN)); - - if (unlikely(idtv_info_field & INTR_INFO_DELIVER_CODE_MASK)) - vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, - vmcs_read32(IDT_VECTORING_ERROR_CODE)); - enable_intr_window(vcpu); - return; - } if (cpu_has_virtual_nmis()) { if (vcpu->arch.nmi_pending && !vcpu->arch.nmi_injected) { if (vmx_nmi_enabled(vcpu)) { @@ -2925,14 +2886,16 @@ static void vmx_intr_assist(struct kvm_vcpu *vcpu) return; } } - if (!kvm_cpu_has_interrupt(vcpu)) - return; - if (vmx_irq_enabled(vcpu)) { - vector = kvm_cpu_get_interrupt(vcpu); - vmx_inject_irq(vcpu, vector); - kvm_timer_intr_post(vcpu, vector); - } else - enable_irq_window(vcpu); + if (!vcpu->arch.interrupt.pending && kvm_cpu_has_interrupt(vcpu)) { + if (vmx_irq_enabled(vcpu)) + kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu)); + else + enable_irq_window(vcpu); + } + if (vcpu->arch.interrupt.pending) { + vmx_inject_irq(vcpu, vcpu->arch.interrupt.nr); + kvm_timer_intr_post(vcpu, vcpu->arch.interrupt.nr); + } } /* -- GitLab From 60bd83a125030878665684f353c7d36fd54f09fd Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sat, 12 Jul 2008 16:02:08 +0300 Subject: [PATCH 4859/6244] KVM: VMX: Remove redundant check in handle_rmode_exception Since checking for vcpu->arch.rmode.active is already done whenever we call handle_rmode_exception(), checking it inside the function is redundant. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e8fed9b8756e..9591ca73191c 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2224,9 +2224,6 @@ static void kvm_guest_debug_pre(struct kvm_vcpu *vcpu) static int handle_rmode_exception(struct kvm_vcpu *vcpu, int vec, u32 err_code) { - if (!vcpu->arch.rmode.active) - return 0; - /* * Instruction with address size override prefix opcode 0x67 * Cause the #SS fault with 0 error code in VM86 mode. -- GitLab From 7edd0ce05892831c77fa4cebe24a6056d33336d5 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 7 Jul 2008 14:45:39 +0300 Subject: [PATCH 4860/6244] KVM: Consolidate PIC isr clearing into a function Signed-off-by: Avi Kivity --- arch/x86/kvm/i8259.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index c31164e8aa46..55e179ad98ef 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -30,6 +30,11 @@ #include +static void pic_clear_isr(struct kvm_kpic_state *s, int irq) +{ + s->isr &= ~(1 << irq); +} + /* * set irq level. If an edge is detected, then the IRR is set to 1 */ @@ -141,11 +146,12 @@ void kvm_pic_set_irq(void *opaque, int irq, int level) */ static inline void pic_intack(struct kvm_kpic_state *s, int irq) { + s->isr |= 1 << irq; if (s->auto_eoi) { if (s->rotate_on_auto_eoi) s->priority_add = (irq + 1) & 7; - } else - s->isr |= (1 << irq); + pic_clear_isr(s, irq); + } /* * We don't clear a level sensitive interrupt here */ @@ -243,7 +249,7 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val) priority = get_priority(s, s->isr); if (priority != 8) { irq = (priority + s->priority_add) & 7; - s->isr &= ~(1 << irq); + pic_clear_isr(s, irq); if (cmd == 5) s->priority_add = (irq + 1) & 7; pic_update_irq(s->pics_state); @@ -251,7 +257,7 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val) break; case 3: irq = val & 7; - s->isr &= ~(1 << irq); + pic_clear_isr(s, irq); pic_update_irq(s->pics_state); break; case 6: @@ -260,8 +266,8 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val) break; case 7: irq = val & 7; - s->isr &= ~(1 << irq); s->priority_add = (irq + 1) & 7; + pic_clear_isr(s, irq); pic_update_irq(s->pics_state); break; default: @@ -303,7 +309,7 @@ static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1) s->pics_state->pics[0].irr &= ~(1 << 2); } s->irr &= ~(1 << ret); - s->isr &= ~(1 << ret); + pic_clear_isr(s, ret); if (addr1 >> 7 || ret != 2) pic_update_irq(s->pics_state); } else { -- GitLab From 19bd8afdc4e6fbb47e4841f8d771f8cb29916d9f Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Sun, 13 Jul 2008 13:40:55 +0200 Subject: [PATCH 4861/6244] KVM: Consolidate XX_VECTOR defines Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 4 ---- arch/x86/kvm/vmx.c | 2 +- include/asm-x86/kvm_host.h | 1 + 3 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 54b0bf33e21e..743c98d135c4 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -36,10 +36,6 @@ MODULE_LICENSE("GPL"); #define IOPM_ALLOC_ORDER 2 #define MSRPM_ALLOC_ORDER 1 -#define DB_VECTOR 1 -#define UD_VECTOR 6 -#define GP_VECTOR 13 - #define DR7_GD_MASK (1 << 13) #define DR6_BD_MASK (1 << 13) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9591ca73191c..5c9dac567a74 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -470,7 +470,7 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu) if (!vcpu->fpu_active) eb |= 1u << NM_VECTOR; if (vcpu->guest_debug.enabled) - eb |= 1u << 1; + eb |= 1u << DB_VECTOR; if (vcpu->arch.rmode.active) eb = ~0; if (vm_need_ept()) diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 65c6a0e5b739..da3c1979b734 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -57,6 +57,7 @@ #define KVM_PAGES_PER_HPAGE (KVM_HPAGE_SIZE / PAGE_SIZE) #define DE_VECTOR 0 +#define DB_VECTOR 1 #define UD_VECTOR 6 #define NM_VECTOR 7 #define DF_VECTOR 8 -- GitLab From 77ab6db0a1c403387b403e9351ab3f5ae1df83e6 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Mon, 14 Jul 2008 12:28:51 +0200 Subject: [PATCH 4862/6244] KVM: VMX: Reinject real mode exception As we execute real mode guests in VM86 mode, exception have to be reinjected appropriately when the guest triggered them. For this purpose the patch adopts the real-mode injection pattern used in vmx_inject_irq to vmx_queue_exception, additionally taking care that the IP is set correctly for #BP exceptions. Furthermore it extends handle_rmode_exception to reinject all those exceptions that can be raised in real mode. This fixes the execution of himem.exe from FreeDOS and also makes its debug.com work properly. Note that guest debugging in real mode is broken now. This has to be fixed by the scheduled debugging infrastructure rework (will be done once base patches for QEMU have been accepted). Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 41 ++++++++++++++++++++++++++++++++++++-- include/asm-x86/kvm_host.h | 4 ++++ 2 files changed, 43 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5c9dac567a74..2879880076d0 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -735,12 +735,30 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu) static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr, bool has_error_code, u32 error_code) { + struct vcpu_vmx *vmx = to_vmx(vcpu); + + if (has_error_code) + vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, error_code); + + if (vcpu->arch.rmode.active) { + vmx->rmode.irq.pending = true; + vmx->rmode.irq.vector = nr; + vmx->rmode.irq.rip = kvm_rip_read(vcpu); + if (nr == BP_VECTOR) + vmx->rmode.irq.rip++; + vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, + nr | INTR_TYPE_SOFT_INTR + | (has_error_code ? INTR_INFO_DELIVER_CODE_MASK : 0) + | INTR_INFO_VALID_MASK); + vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); + kvm_rip_write(vcpu, vmx->rmode.irq.rip - 1); + return; + } + vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, nr | INTR_TYPE_EXCEPTION | (has_error_code ? INTR_INFO_DELIVER_CODE_MASK : 0) | INTR_INFO_VALID_MASK); - if (has_error_code) - vmcs_write32(VM_ENTRY_EXCEPTION_ERROR_CODE, error_code); } static bool vmx_exception_injected(struct kvm_vcpu *vcpu) @@ -2231,6 +2249,25 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu, if (((vec == GP_VECTOR) || (vec == SS_VECTOR)) && err_code == 0) if (emulate_instruction(vcpu, NULL, 0, 0, 0) == EMULATE_DONE) return 1; + /* + * Forward all other exceptions that are valid in real mode. + * FIXME: Breaks guest debugging in real mode, needs to be fixed with + * the required debugging infrastructure rework. + */ + switch (vec) { + case DE_VECTOR: + case DB_VECTOR: + case BP_VECTOR: + case OF_VECTOR: + case BR_VECTOR: + case UD_VECTOR: + case DF_VECTOR: + case SS_VECTOR: + case GP_VECTOR: + case MF_VECTOR: + kvm_queue_exception(vcpu, vec); + return 1; + } return 0; } diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index da3c1979b734..83afa10c77f5 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -58,6 +58,9 @@ #define DE_VECTOR 0 #define DB_VECTOR 1 +#define BP_VECTOR 3 +#define OF_VECTOR 4 +#define BR_VECTOR 5 #define UD_VECTOR 6 #define NM_VECTOR 7 #define DF_VECTOR 8 @@ -66,6 +69,7 @@ #define SS_VECTOR 12 #define GP_VECTOR 13 #define PF_VECTOR 14 +#define MF_VECTOR 16 #define MC_VECTOR 18 #define SELECTOR_TI_MASK (1 << 2) -- GitLab From c801949ddf0a51074937f488a52072825ed50174 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 14 Jul 2008 14:44:59 +0300 Subject: [PATCH 4863/6244] KVM: VMX: Unify register save/restore across 32 and 64 bit hosts Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 90 +++++++++++++++++++--------------------------- 1 file changed, 36 insertions(+), 54 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2879880076d0..fc8996b1043b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2955,6 +2955,14 @@ static void fixup_rmode_irq(struct vcpu_vmx *vmx) | vmx->rmode.irq.vector; } +#ifdef CONFIG_X86_64 +#define R "r" +#define Q "q" +#else +#define R "e" +#define Q "l" +#endif + static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { struct vcpu_vmx *vmx = to_vmx(vcpu); @@ -2972,26 +2980,21 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) asm( /* Store host registers */ -#ifdef CONFIG_X86_64 - "push %%rdx; push %%rbp;" - "push %%rcx \n\t" -#else - "push %%edx; push %%ebp;" - "push %%ecx \n\t" -#endif + "push %%"R"dx; push %%"R"bp;" + "push %%"R"cx \n\t" __ex(ASM_VMX_VMWRITE_RSP_RDX) "\n\t" /* Check if vmlaunch of vmresume is needed */ "cmpl $0, %c[launched](%0) \n\t" /* Load guest registers. Don't clobber flags. */ + "mov %c[cr2](%0), %%"R"ax \n\t" + "mov %%"R"ax, %%cr2 \n\t" + "mov %c[rax](%0), %%"R"ax \n\t" + "mov %c[rbx](%0), %%"R"bx \n\t" + "mov %c[rdx](%0), %%"R"dx \n\t" + "mov %c[rsi](%0), %%"R"si \n\t" + "mov %c[rdi](%0), %%"R"di \n\t" + "mov %c[rbp](%0), %%"R"bp \n\t" #ifdef CONFIG_X86_64 - "mov %c[cr2](%0), %%rax \n\t" - "mov %%rax, %%cr2 \n\t" - "mov %c[rax](%0), %%rax \n\t" - "mov %c[rbx](%0), %%rbx \n\t" - "mov %c[rdx](%0), %%rdx \n\t" - "mov %c[rsi](%0), %%rsi \n\t" - "mov %c[rdi](%0), %%rdi \n\t" - "mov %c[rbp](%0), %%rbp \n\t" "mov %c[r8](%0), %%r8 \n\t" "mov %c[r9](%0), %%r9 \n\t" "mov %c[r10](%0), %%r10 \n\t" @@ -3000,18 +3003,9 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) "mov %c[r13](%0), %%r13 \n\t" "mov %c[r14](%0), %%r14 \n\t" "mov %c[r15](%0), %%r15 \n\t" - "mov %c[rcx](%0), %%rcx \n\t" /* kills %0 (rcx) */ -#else - "mov %c[cr2](%0), %%eax \n\t" - "mov %%eax, %%cr2 \n\t" - "mov %c[rax](%0), %%eax \n\t" - "mov %c[rbx](%0), %%ebx \n\t" - "mov %c[rdx](%0), %%edx \n\t" - "mov %c[rsi](%0), %%esi \n\t" - "mov %c[rdi](%0), %%edi \n\t" - "mov %c[rbp](%0), %%ebp \n\t" - "mov %c[rcx](%0), %%ecx \n\t" /* kills %0 (ecx) */ #endif + "mov %c[rcx](%0), %%"R"cx \n\t" /* kills %0 (ecx) */ + /* Enter guest mode */ "jne .Llaunched \n\t" __ex(ASM_VMX_VMLAUNCH) "\n\t" @@ -3019,15 +3013,15 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) ".Llaunched: " __ex(ASM_VMX_VMRESUME) "\n\t" ".Lkvm_vmx_return: " /* Save guest registers, load host registers, keep flags */ + "xchg %0, (%%"R"sp) \n\t" + "mov %%"R"ax, %c[rax](%0) \n\t" + "mov %%"R"bx, %c[rbx](%0) \n\t" + "push"Q" (%%"R"sp); pop"Q" %c[rcx](%0) \n\t" + "mov %%"R"dx, %c[rdx](%0) \n\t" + "mov %%"R"si, %c[rsi](%0) \n\t" + "mov %%"R"di, %c[rdi](%0) \n\t" + "mov %%"R"bp, %c[rbp](%0) \n\t" #ifdef CONFIG_X86_64 - "xchg %0, (%%rsp) \n\t" - "mov %%rax, %c[rax](%0) \n\t" - "mov %%rbx, %c[rbx](%0) \n\t" - "pushq (%%rsp); popq %c[rcx](%0) \n\t" - "mov %%rdx, %c[rdx](%0) \n\t" - "mov %%rsi, %c[rsi](%0) \n\t" - "mov %%rdi, %c[rdi](%0) \n\t" - "mov %%rbp, %c[rbp](%0) \n\t" "mov %%r8, %c[r8](%0) \n\t" "mov %%r9, %c[r9](%0) \n\t" "mov %%r10, %c[r10](%0) \n\t" @@ -3036,24 +3030,11 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) "mov %%r13, %c[r13](%0) \n\t" "mov %%r14, %c[r14](%0) \n\t" "mov %%r15, %c[r15](%0) \n\t" - "mov %%cr2, %%rax \n\t" - "mov %%rax, %c[cr2](%0) \n\t" - - "pop %%rbp; pop %%rbp; pop %%rdx \n\t" -#else - "xchg %0, (%%esp) \n\t" - "mov %%eax, %c[rax](%0) \n\t" - "mov %%ebx, %c[rbx](%0) \n\t" - "pushl (%%esp); popl %c[rcx](%0) \n\t" - "mov %%edx, %c[rdx](%0) \n\t" - "mov %%esi, %c[rsi](%0) \n\t" - "mov %%edi, %c[rdi](%0) \n\t" - "mov %%ebp, %c[rbp](%0) \n\t" - "mov %%cr2, %%eax \n\t" - "mov %%eax, %c[cr2](%0) \n\t" - - "pop %%ebp; pop %%ebp; pop %%edx \n\t" #endif + "mov %%cr2, %%"R"ax \n\t" + "mov %%"R"ax, %c[cr2](%0) \n\t" + + "pop %%"R"bp; pop %%"R"bp; pop %%"R"dx \n\t" "setbe %c[fail](%0) \n\t" : : "c"(vmx), "d"((unsigned long)HOST_RSP), [launched]"i"(offsetof(struct vcpu_vmx, launched)), @@ -3077,11 +3058,9 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) #endif [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)) : "cc", "memory" + , R"bx", R"di", R"si" #ifdef CONFIG_X86_64 - , "rbx", "rdi", "rsi" , "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" -#else - , "ebx", "edi", "rsi" #endif ); @@ -3111,6 +3090,9 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) vmx_complete_interrupts(vmx); } +#undef R +#undef Q + static void vmx_free_vmcs(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); -- GitLab From 80e31d4f61f69d0e480ae092cda0e590d6a30aeb Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 14 Jul 2008 14:44:59 +0300 Subject: [PATCH 4864/6244] KVM: SVM: Unify register save/restore across 32 and 64 bit hosts Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 78 ++++++++++++++++------------------------------ 1 file changed, 26 insertions(+), 52 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 743c98d135c4..179c2e00d0f9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1697,6 +1697,12 @@ static inline void sync_lapic_to_cr8(struct kvm_vcpu *vcpu) svm->vmcb->control.int_ctl |= cr8 & V_TPR_MASK; } +#ifdef CONFIG_X86_64 +#define R "r" +#else +#define R "e" +#endif + static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { struct vcpu_svm *svm = to_svm(vcpu); @@ -1735,19 +1741,14 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) local_irq_enable(); asm volatile ( + "push %%"R"bp; \n\t" + "mov %c[rbx](%[svm]), %%"R"bx \n\t" + "mov %c[rcx](%[svm]), %%"R"cx \n\t" + "mov %c[rdx](%[svm]), %%"R"dx \n\t" + "mov %c[rsi](%[svm]), %%"R"si \n\t" + "mov %c[rdi](%[svm]), %%"R"di \n\t" + "mov %c[rbp](%[svm]), %%"R"bp \n\t" #ifdef CONFIG_X86_64 - "push %%rbp; \n\t" -#else - "push %%ebp; \n\t" -#endif - -#ifdef CONFIG_X86_64 - "mov %c[rbx](%[svm]), %%rbx \n\t" - "mov %c[rcx](%[svm]), %%rcx \n\t" - "mov %c[rdx](%[svm]), %%rdx \n\t" - "mov %c[rsi](%[svm]), %%rsi \n\t" - "mov %c[rdi](%[svm]), %%rdi \n\t" - "mov %c[rbp](%[svm]), %%rbp \n\t" "mov %c[r8](%[svm]), %%r8 \n\t" "mov %c[r9](%[svm]), %%r9 \n\t" "mov %c[r10](%[svm]), %%r10 \n\t" @@ -1756,41 +1757,24 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) "mov %c[r13](%[svm]), %%r13 \n\t" "mov %c[r14](%[svm]), %%r14 \n\t" "mov %c[r15](%[svm]), %%r15 \n\t" -#else - "mov %c[rbx](%[svm]), %%ebx \n\t" - "mov %c[rcx](%[svm]), %%ecx \n\t" - "mov %c[rdx](%[svm]), %%edx \n\t" - "mov %c[rsi](%[svm]), %%esi \n\t" - "mov %c[rdi](%[svm]), %%edi \n\t" - "mov %c[rbp](%[svm]), %%ebp \n\t" #endif -#ifdef CONFIG_X86_64 /* Enter guest mode */ - "push %%rax \n\t" - "mov %c[vmcb](%[svm]), %%rax \n\t" + "push %%"R"ax \n\t" + "mov %c[vmcb](%[svm]), %%"R"ax \n\t" __ex(SVM_VMLOAD) "\n\t" __ex(SVM_VMRUN) "\n\t" __ex(SVM_VMSAVE) "\n\t" - "pop %%rax \n\t" -#else - /* Enter guest mode */ - "push %%eax \n\t" - "mov %c[vmcb](%[svm]), %%eax \n\t" - __ex(SVM_VMLOAD) "\n\t" - __ex(SVM_VMRUN) "\n\t" - __ex(SVM_VMSAVE) "\n\t" - "pop %%eax \n\t" -#endif + "pop %%"R"ax \n\t" /* Save guest registers, load host registers */ + "mov %%"R"bx, %c[rbx](%[svm]) \n\t" + "mov %%"R"cx, %c[rcx](%[svm]) \n\t" + "mov %%"R"dx, %c[rdx](%[svm]) \n\t" + "mov %%"R"si, %c[rsi](%[svm]) \n\t" + "mov %%"R"di, %c[rdi](%[svm]) \n\t" + "mov %%"R"bp, %c[rbp](%[svm]) \n\t" #ifdef CONFIG_X86_64 - "mov %%rbx, %c[rbx](%[svm]) \n\t" - "mov %%rcx, %c[rcx](%[svm]) \n\t" - "mov %%rdx, %c[rdx](%[svm]) \n\t" - "mov %%rsi, %c[rsi](%[svm]) \n\t" - "mov %%rdi, %c[rdi](%[svm]) \n\t" - "mov %%rbp, %c[rbp](%[svm]) \n\t" "mov %%r8, %c[r8](%[svm]) \n\t" "mov %%r9, %c[r9](%[svm]) \n\t" "mov %%r10, %c[r10](%[svm]) \n\t" @@ -1799,18 +1783,8 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) "mov %%r13, %c[r13](%[svm]) \n\t" "mov %%r14, %c[r14](%[svm]) \n\t" "mov %%r15, %c[r15](%[svm]) \n\t" - - "pop %%rbp; \n\t" -#else - "mov %%ebx, %c[rbx](%[svm]) \n\t" - "mov %%ecx, %c[rcx](%[svm]) \n\t" - "mov %%edx, %c[rdx](%[svm]) \n\t" - "mov %%esi, %c[rsi](%[svm]) \n\t" - "mov %%edi, %c[rdi](%[svm]) \n\t" - "mov %%ebp, %c[rbp](%[svm]) \n\t" - - "pop %%ebp; \n\t" #endif + "pop %%"R"bp" : : [svm]"a"(svm), [vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)), @@ -1831,11 +1805,9 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) [r15]"i"(offsetof(struct vcpu_svm, vcpu.arch.regs[VCPU_REGS_R15])) #endif : "cc", "memory" + , R"bx", R"cx", R"dx", R"si", R"di" #ifdef CONFIG_X86_64 - , "rbx", "rcx", "rdx", "rsi", "rdi" , "r8", "r9", "r10", "r11" , "r12", "r13", "r14", "r15" -#else - , "ebx", "ecx", "edx" , "esi", "edi" #endif ); @@ -1867,6 +1839,8 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) svm->next_rip = 0; } +#undef R + static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) { struct vcpu_svm *svm = to_svm(vcpu); -- GitLab From e32c8f2c0720fb21c6f4a5f6ccbebdadc878f707 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Mon, 14 Jul 2008 14:00:00 +0200 Subject: [PATCH 4865/6244] KVM: kvmtrace: Remove use of bit fields in kvm trace structure This patch fixes kvmtrace use on big endian systems. When using bit fields the compiler will lay data out in the wrong order expected when laid down into a file. This fixes it by using one variable instead of using bit fields. Signed-off-by: Jerone Young Signed-off-by: Christian Ehrhardt Signed-off-by: Avi Kivity --- include/linux/kvm.h | 17 ++++++++++++++--- virt/kvm/kvm_trace.c | 17 +++++++++-------- 2 files changed, 23 insertions(+), 11 deletions(-) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 8a3ceadb1366..8a16b083df2e 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -311,9 +311,13 @@ struct kvm_s390_interrupt { /* This structure represents a single trace buffer record. */ struct kvm_trace_rec { - __u32 event:28; - __u32 extra_u32:3; - __u32 cycle_in:1; + /* variable rec_val + * is split into: + * bits 0 - 27 -> event id + * bits 28 -30 -> number of extra data args of size u32 + * bits 31 -> binary indicator for if tsc is in record + */ + __u32 rec_val; __u32 pid; __u32 vcpu_id; union { @@ -327,6 +331,13 @@ struct kvm_trace_rec { } u; }; +#define TRACE_REC_EVENT_ID(val) \ + (0x0fffffff & (val)) +#define TRACE_REC_NUM_DATA_ARGS(val) \ + (0x70000000 & ((val) << 28)) +#define TRACE_REC_TCS(val) \ + (0x80000000 & ((val) << 31)) + #define KVMIO 0xAE /* diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c index 58141f31ea8f..9acb78b3cc9f 100644 --- a/virt/kvm/kvm_trace.c +++ b/virt/kvm/kvm_trace.c @@ -54,12 +54,13 @@ static void kvm_add_trace(void *probe_private, void *call_data, struct kvm_trace *kt = kvm_trace; struct kvm_trace_rec rec; struct kvm_vcpu *vcpu; - int i, extra, size; + int i, size; + u32 extra; if (unlikely(kt->trace_state != KVM_TRACE_STATE_RUNNING)) return; - rec.event = va_arg(*args, u32); + rec.rec_val = TRACE_REC_EVENT_ID(va_arg(*args, u32)); vcpu = va_arg(*args, struct kvm_vcpu *); rec.pid = current->tgid; rec.vcpu_id = vcpu->vcpu_id; @@ -67,21 +68,21 @@ static void kvm_add_trace(void *probe_private, void *call_data, extra = va_arg(*args, u32); WARN_ON(!(extra <= KVM_TRC_EXTRA_MAX)); extra = min_t(u32, extra, KVM_TRC_EXTRA_MAX); - rec.extra_u32 = extra; - rec.cycle_in = p->cycle_in; + rec.rec_val |= TRACE_REC_TCS(p->cycle_in) + | TRACE_REC_NUM_DATA_ARGS(extra); - if (rec.cycle_in) { + if (p->cycle_in) { rec.u.cycle.cycle_u64 = get_cycles(); - for (i = 0; i < rec.extra_u32; i++) + for (i = 0; i < extra; i++) rec.u.cycle.extra_u32[i] = va_arg(*args, u32); } else { - for (i = 0; i < rec.extra_u32; i++) + for (i = 0; i < extra; i++) rec.u.nocycle.extra_u32[i] = va_arg(*args, u32); } - size = calc_rec_size(rec.cycle_in, rec.extra_u32 * sizeof(u32)); + size = calc_rec_size(p->cycle_in, extra * sizeof(u32)); relay_write(kt->rchan, &rec, size); } -- GitLab From 3f7f95c65ef6a89472a28da1b9436eaeee288831 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Mon, 14 Jul 2008 14:00:01 +0200 Subject: [PATCH 4866/6244] KVM: kvmtrace: replace get_cycles with ktime_get v3 The current kvmtrace code uses get_cycles() while the interpretation would be easier using using nanoseconds. ktime_get() should give at least the same accuracy as get_cycles on all architectures (even better on 32bit archs) but at a better unit (e.g. comparable between hosts with different frequencies. [avi: avoid ktime_t in public header] Signed-off-by: Christian Ehrhardt Acked-by: Christian Borntraeger Signed-off-by: Avi Kivity --- include/linux/kvm.h | 6 +++--- virt/kvm/kvm_trace.c | 19 ++++++++++--------- 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 8a16b083df2e..5d08f11bb27f 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -322,12 +322,12 @@ struct kvm_trace_rec { __u32 vcpu_id; union { struct { - __u64 cycle_u64; + __u64 timestamp; __u32 extra_u32[KVM_TRC_EXTRA_MAX]; - } __attribute__((packed)) cycle; + } __attribute__((packed)) timestamp; struct { __u32 extra_u32[KVM_TRC_EXTRA_MAX]; - } nocycle; + } notimestamp; } u; }; diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c index 9acb78b3cc9f..41dcc845f78c 100644 --- a/virt/kvm/kvm_trace.c +++ b/virt/kvm/kvm_trace.c @@ -17,6 +17,7 @@ #include #include #include +#include #include @@ -35,16 +36,16 @@ static struct kvm_trace *kvm_trace; struct kvm_trace_probe { const char *name; const char *format; - u32 cycle_in; + u32 timestamp_in; marker_probe_func *probe_func; }; -static inline int calc_rec_size(int cycle, int extra) +static inline int calc_rec_size(int timestamp, int extra) { int rec_size = KVM_TRC_HEAD_SIZE; rec_size += extra; - return cycle ? rec_size += KVM_TRC_CYCLE_SIZE : rec_size; + return timestamp ? rec_size += KVM_TRC_CYCLE_SIZE : rec_size; } static void kvm_add_trace(void *probe_private, void *call_data, @@ -69,20 +70,20 @@ static void kvm_add_trace(void *probe_private, void *call_data, WARN_ON(!(extra <= KVM_TRC_EXTRA_MAX)); extra = min_t(u32, extra, KVM_TRC_EXTRA_MAX); - rec.rec_val |= TRACE_REC_TCS(p->cycle_in) + rec.rec_val |= TRACE_REC_TCS(p->timestamp_in) | TRACE_REC_NUM_DATA_ARGS(extra); - if (p->cycle_in) { - rec.u.cycle.cycle_u64 = get_cycles(); + if (p->timestamp_in) { + rec.u.timestamp.timestamp = ktime_to_ns(ktime_get()); for (i = 0; i < extra; i++) - rec.u.cycle.extra_u32[i] = va_arg(*args, u32); + rec.u.timestamp.extra_u32[i] = va_arg(*args, u32); } else { for (i = 0; i < extra; i++) - rec.u.nocycle.extra_u32[i] = va_arg(*args, u32); + rec.u.notimestamp.extra_u32[i] = va_arg(*args, u32); } - size = calc_rec_size(p->cycle_in, extra * sizeof(u32)); + size = calc_rec_size(p->timestamp_in, extra * sizeof(u32)); relay_write(kt->rchan, &rec, size); } -- GitLab From 12f67556023389a6be929a56617142a8e8ab20fe Mon Sep 17 00:00:00 2001 From: Jerone Young Date: Mon, 14 Jul 2008 14:00:02 +0200 Subject: [PATCH 4867/6244] KVM: ppc: enable KVM_TRACE building for powerpc This patch enables KVM_TRACE to build for PowerPC arch. This means just adding sections to Kconfig and Makefile. Signed-off-by: Jerone Young Signed-off-by: Christian Ehrhardt Signed-off-by: Avi Kivity --- arch/powerpc/kvm/Kconfig | 11 +++++++++++ arch/powerpc/kvm/Makefile | 6 ++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 6b076010213b..53aaa66b25e5 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -37,6 +37,17 @@ config KVM_BOOKE_HOST Provides host support for KVM on Book E PowerPC processors. Currently this works on 440 processors only. +config KVM_TRACE + bool "KVM trace support" + depends on KVM && MARKERS && SYSFS + select RELAY + select DEBUG_FS + default n + ---help--- + This option allows reading a trace of kvm-related events through + relayfs. Note the ABI is not considered stable and will be + modified in future updates. + source drivers/virtio/Kconfig endif # VIRTUALIZATION diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile index 04e3449e1f42..2a5d4397ac4b 100644 --- a/arch/powerpc/kvm/Makefile +++ b/arch/powerpc/kvm/Makefile @@ -4,9 +4,11 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/powerpc/kvm -common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) +common-objs-y = $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o) -kvm-objs := $(common-objs) powerpc.o emulate.o booke_guest.o +common-objs-$(CONFIG_KVM_TRACE) += $(addprefix ../../../virt/kvm/, kvm_trace.o) + +kvm-objs := $(common-objs-y) powerpc.o emulate.o booke_guest.o obj-$(CONFIG_KVM) += kvm.o AFLAGS_booke_interrupts.o := -I$(obj) -- GitLab From 31711f2294b38d8334efaf7dbac6da4781fd151e Mon Sep 17 00:00:00 2001 From: Jerone Young Date: Mon, 14 Jul 2008 14:00:03 +0200 Subject: [PATCH 4868/6244] KVM: ppc: adds trace points for ppc tlb activity This patch adds trace points to track powerpc TLB activities using the KVM_TRACE infrastructure. Signed-off-by: Jerone Young Signed-off-by: Christian Ehrhardt Signed-off-by: Avi Kivity --- arch/powerpc/kvm/44x_tlb.c | 15 ++++++++++++++- arch/powerpc/kvm/emulate.c | 4 ++++ include/linux/kvm.h | 3 +++ 3 files changed, 21 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 5a5602da5091..a207d16b9dbb 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -19,6 +19,7 @@ #include #include +#include #include #include #include @@ -175,6 +176,10 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, stlbe->word1 = (hpaddr & 0xfffffc00) | ((hpaddr >> 32) & 0xf); stlbe->word2 = kvmppc_44x_tlb_shadow_attrib(flags, vcpu->arch.msr & MSR_PR); + + KVMTRACE_5D(STLB_WRITE, vcpu, victim, + stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, + handler); } void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, @@ -204,6 +209,9 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, kvmppc_44x_shadow_release(vcpu, i); stlbe->word0 = 0; + KVMTRACE_5D(STLB_INVAL, vcpu, i, + stlbe->tid, stlbe->word0, stlbe->word1, + stlbe->word2, handler); } up_write(¤t->mm->mmap_sem); } @@ -217,8 +225,13 @@ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) /* XXX Replace loop with fancy data structures. */ down_write(¤t->mm->mmap_sem); for (i = 0; i <= tlb_44x_hwater; i++) { + struct tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; + kvmppc_44x_shadow_release(vcpu, i); - vcpu->arch.shadow_tlb[i].word0 = 0; + stlbe->word0 = 0; + KVMTRACE_5D(STLB_INVAL, vcpu, i, + stlbe->tid, stlbe->word0, stlbe->word1, + stlbe->word2, handler); } up_write(¤t->mm->mmap_sem); } diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 8c605d0a5488..4a3e274bac12 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -170,6 +170,10 @@ static int kvmppc_emul_tlbwe(struct kvm_vcpu *vcpu, u32 inst) kvmppc_mmu_map(vcpu, eaddr, raddr >> PAGE_SHIFT, asid, flags); } + KVMTRACE_5D(GTLB_WRITE, vcpu, index, + tlbe->tid, tlbe->word0, tlbe->word1, tlbe->word2, + handler); + return EMULATE_DONE; } diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 5d08f11bb27f..e21a5050d4d6 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -471,5 +471,8 @@ struct kvm_trace_rec { #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13) #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14) #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15) +#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) +#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) +#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) #endif -- GitLab From 3b4bd7969f7b61a1ab455bff084ee4f0a2411055 Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Mon, 14 Jul 2008 14:00:04 +0200 Subject: [PATCH 4869/6244] KVM: ppc: trace powerpc instruction emulation This patch adds a trace point for the instruction emulation on embedded powerpc utilizing the KVM_TRACE interface. Signed-off-by: Christian Ehrhardt Signed-off-by: Avi Kivity --- arch/powerpc/kvm/emulate.c | 2 ++ include/linux/kvm.h | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 4a3e274bac12..c3ed63b22210 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -769,6 +769,8 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) break; } + KVMTRACE_3D(PPC_INSTR, vcpu, inst, vcpu->arch.pc, emulated, entryexit); + if (advance) vcpu->arch.pc += 4; /* Advance past emulated instruction. */ diff --git a/include/linux/kvm.h b/include/linux/kvm.h index e21a5050d4d6..d29b64881447 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -474,5 +474,6 @@ struct kvm_trace_rec { #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16) #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17) #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) +#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) #endif -- GitLab From 313dbd49dc239205b96da79fba09f7637cf84f3c Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 17 Jul 2008 18:04:30 +0300 Subject: [PATCH 4870/6244] KVM: VMX: Avoid vmwrite(HOST_RSP) when possible Usually HOST_RSP retains its value across guest entries. Take advantage of this and avoid a vmwrite() when this is so. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index fc8996b1043b..ddb49e34697b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -58,6 +58,7 @@ struct vmcs { struct vcpu_vmx { struct kvm_vcpu vcpu; struct list_head local_vcpus_link; + unsigned long host_rsp; int launched; u8 fail; u32 idt_vectoring_info; @@ -2982,7 +2983,11 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) /* Store host registers */ "push %%"R"dx; push %%"R"bp;" "push %%"R"cx \n\t" + "cmp %%"R"sp, %c[host_rsp](%0) \n\t" + "je 1f \n\t" + "mov %%"R"sp, %c[host_rsp](%0) \n\t" __ex(ASM_VMX_VMWRITE_RSP_RDX) "\n\t" + "1: \n\t" /* Check if vmlaunch of vmresume is needed */ "cmpl $0, %c[launched](%0) \n\t" /* Load guest registers. Don't clobber flags. */ @@ -3039,6 +3044,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) : : "c"(vmx), "d"((unsigned long)HOST_RSP), [launched]"i"(offsetof(struct vcpu_vmx, launched)), [fail]"i"(offsetof(struct vcpu_vmx, fail)), + [host_rsp]"i"(offsetof(struct vcpu_vmx, host_rsp)), [rax]"i"(offsetof(struct vcpu_vmx, vcpu.arch.regs[VCPU_REGS_RAX])), [rbx]"i"(offsetof(struct vcpu_vmx, vcpu.arch.regs[VCPU_REGS_RBX])), [rcx]"i"(offsetof(struct vcpu_vmx, vcpu.arch.regs[VCPU_REGS_RCX])), -- GitLab From b5e2fec0ebc3fcaff954092bb69444a67a904c0a Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 22 Jul 2008 08:00:45 +0200 Subject: [PATCH 4871/6244] KVM: Ignore DEBUGCTL MSRs with no effect Netware writes to DEBUGCTL and reads from the DEBUGCTL and LAST*IP MSRs without further checks and is really confused to receive a #GP during that. To make it happy we should just make them stubs, which is exactly what SVM already does. Writes to DEBUGCTL that are vendor-specific are resembled to behave as if the virtual CPU does not know them. Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5620df2685db..94a216562f10 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -665,6 +665,18 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) pr_unimpl(vcpu, "%s: MSR_IA32_MCG_CTL 0x%llx, nop\n", __func__, data); break; + case MSR_IA32_DEBUGCTLMSR: + if (!data) { + /* We support the non-activated case already */ + break; + } else if (data & ~(DEBUGCTLMSR_LBR | DEBUGCTLMSR_BTF)) { + /* Values other than LBR and BTF are vendor-specific, + thus reserved and should throw a #GP */ + return 1; + } + pr_unimpl(vcpu, "%s: MSR_IA32_DEBUGCTLMSR 0x%llx, nop\n", + __func__, data); + break; case MSR_IA32_UCODE_REV: case MSR_IA32_UCODE_WRITE: break; @@ -757,6 +769,11 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_IA32_MC0_MISC+16: case MSR_IA32_UCODE_REV: case MSR_IA32_EBL_CR_POWERON: + case MSR_IA32_DEBUGCTLMSR: + case MSR_IA32_LASTBRANCHFROMIP: + case MSR_IA32_LASTBRANCHTOIP: + case MSR_IA32_LASTINTFROMIP: + case MSR_IA32_LASTINTTOIP: data = 0; break; case MSR_MTRRcap: -- GitLab From 6a0ab738ef42d87951b3980f61b1f4cbb14d4171 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Fri, 25 Jul 2008 13:54:49 -0500 Subject: [PATCH 4872/6244] KVM: ppc: guest breakpoint support Allow host userspace to program hardware debug registers to set breakpoints inside guests. Signed-off-by: Jerone Young Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/include/asm/kvm_host.h | 5 ++ arch/powerpc/kvm/booke_guest.c | 15 ++++++ arch/powerpc/kvm/booke_interrupts.S | 11 +++- arch/powerpc/kvm/powerpc.c | 84 ++++++++++++++++++++++++++++- 4 files changed, 113 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 2655e2a4831e..23bad40b0ea6 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -86,6 +86,11 @@ struct kvm_vcpu_arch { u32 host_stack; u32 host_pid; + u32 host_dbcr0; + u32 host_dbcr1; + u32 host_dbcr2; + u32 host_iac[4]; + u32 host_msr; u64 fpr[32]; u32 gpr[32]; diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c index 9c8ad850c6e3..3cca079975e1 100644 --- a/arch/powerpc/kvm/booke_guest.c +++ b/arch/powerpc/kvm/booke_guest.c @@ -410,6 +410,21 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, break; } + case BOOKE_INTERRUPT_DEBUG: { + u32 dbsr; + + vcpu->arch.pc = mfspr(SPRN_CSRR0); + + /* clear IAC events in DBSR register */ + dbsr = mfspr(SPRN_DBSR); + dbsr &= DBSR_IAC1 | DBSR_IAC2 | DBSR_IAC3 | DBSR_IAC4; + mtspr(SPRN_DBSR, dbsr); + + run->exit_reason = KVM_EXIT_DEBUG; + r = RESUME_HOST; + break; + } + default: printk(KERN_EMERG "exit_nr %d\n", exit_nr); BUG(); diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 3b653b5309b8..8eaba2613ffd 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -42,7 +42,8 @@ #define HOST_STACK_LR (HOST_STACK_SIZE + 4) /* In caller stack frame. */ #define NEED_INST_MASK ((1<arch.host_iac[0]); + mtspr(SPRN_IAC2, vcpu->arch.host_iac[1]); + mtspr(SPRN_IAC3, vcpu->arch.host_iac[2]); + mtspr(SPRN_IAC4, vcpu->arch.host_iac[3]); + mtspr(SPRN_DBCR1, vcpu->arch.host_dbcr1); + mtspr(SPRN_DBCR2, vcpu->arch.host_dbcr2); + mtspr(SPRN_DBCR0, vcpu->arch.host_dbcr0); + mtmsr(vcpu->arch.host_msr); +} + +static void kvmppc_load_guest_debug_registers(struct kvm_vcpu *vcpu) +{ + struct kvm_guest_debug *dbg = &vcpu->guest_debug; + u32 dbcr0 = 0; + + vcpu->arch.host_msr = mfmsr(); + kvmppc_disable_debug_interrupts(); + + /* Save host debug register state. */ + vcpu->arch.host_iac[0] = mfspr(SPRN_IAC1); + vcpu->arch.host_iac[1] = mfspr(SPRN_IAC2); + vcpu->arch.host_iac[2] = mfspr(SPRN_IAC3); + vcpu->arch.host_iac[3] = mfspr(SPRN_IAC4); + vcpu->arch.host_dbcr0 = mfspr(SPRN_DBCR0); + vcpu->arch.host_dbcr1 = mfspr(SPRN_DBCR1); + vcpu->arch.host_dbcr2 = mfspr(SPRN_DBCR2); + + /* set registers up for guest */ + + if (dbg->bp[0]) { + mtspr(SPRN_IAC1, dbg->bp[0]); + dbcr0 |= DBCR0_IAC1 | DBCR0_IDM; + } + if (dbg->bp[1]) { + mtspr(SPRN_IAC2, dbg->bp[1]); + dbcr0 |= DBCR0_IAC2 | DBCR0_IDM; + } + if (dbg->bp[2]) { + mtspr(SPRN_IAC3, dbg->bp[2]); + dbcr0 |= DBCR0_IAC3 | DBCR0_IDM; + } + if (dbg->bp[3]) { + mtspr(SPRN_IAC4, dbg->bp[3]); + dbcr0 |= DBCR0_IAC4 | DBCR0_IDM; + } + + mtspr(SPRN_DBCR0, dbcr0); + mtspr(SPRN_DBCR1, 0); + mtspr(SPRN_DBCR2, 0); +} + void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) { + if (vcpu->guest_debug.enabled) + kvmppc_load_guest_debug_registers(vcpu); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { + if (vcpu->guest_debug.enabled) + kvmppc_restore_host_debug_state(vcpu); } int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg) { - return -ENOTSUPP; + int i; + + vcpu->guest_debug.enabled = dbg->enabled; + if (vcpu->guest_debug.enabled) { + for (i=0; i < ARRAY_SIZE(vcpu->guest_debug.bp); i++) { + if (dbg->breakpoints[i].enabled) + vcpu->guest_debug.bp[i] = dbg->breakpoints[i].address; + else + vcpu->guest_debug.bp[i] = 0; + } + } + + return 0; } static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu, -- GitLab From 20754c2495a791b5b429c0da63394c86ade978e7 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Fri, 25 Jul 2008 13:54:51 -0500 Subject: [PATCH 4873/6244] KVM: ppc: Stop saving host TLB state We're saving the host TLB state to memory on every exit, but never using it. Originally I had thought that we'd want to restore host TLB for heavyweight exits, but that could actually hurt when context switching to an unrelated host process (i.e. not qemu). Since this decreases the performance penalty of all exits, this patch improves guest boot time by about 15%. Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/include/asm/kvm_host.h | 2 -- arch/powerpc/kernel/asm-offsets.c | 1 - arch/powerpc/kvm/booke_interrupts.S | 17 +++-------------- 3 files changed, 3 insertions(+), 17 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 23bad40b0ea6..dc3a7562bae4 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -81,8 +81,6 @@ struct kvm_vcpu_arch { struct tlbe shadow_tlb[PPC44x_TLB_SIZE]; /* Pages which are referenced in the shadow TLB. */ struct page *shadow_pages[PPC44x_TLB_SIZE]; - /* Copy of the host's TLB. */ - struct tlbe host_tlb[PPC44x_TLB_SIZE]; u32 host_stack; u32 host_pid; diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 92768d3006f7..594064953951 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -356,7 +356,6 @@ int main(void) DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack)); DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid)); - DEFINE(VCPU_HOST_TLB, offsetof(struct kvm_vcpu, arch.host_tlb)); DEFINE(VCPU_SHADOW_TLB, offsetof(struct kvm_vcpu, arch.shadow_tlb)); DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr)); DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr)); diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 8eaba2613ffd..3e88dfa1dbe4 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -342,26 +342,15 @@ lightweight_exit: andc r6, r5, r6 mtmsr r6 - /* Save the host's non-pinned TLB mappings, and load the guest mappings - * over them. Leave the host's "pinned" kernel mappings in place. */ - /* XXX optimization: use generation count to avoid swapping unmodified - * entries. */ + /* Load the guest mappings, leaving the host's "pinned" kernel mappings + * in place. */ + /* XXX optimization: load only modified guest entries. */ mfspr r10, SPRN_MMUCR /* Save host MMUCR. */ lis r8, tlb_44x_hwater@ha lwz r8, tlb_44x_hwater@l(r8) - addi r3, r4, VCPU_HOST_TLB - 4 addi r9, r4, VCPU_SHADOW_TLB - 4 li r6, 0 1: - /* Save host entry. */ - tlbre r7, r6, PPC44x_TLB_PAGEID - mfspr r5, SPRN_MMUCR - stwu r5, 4(r3) - stwu r7, 4(r3) - tlbre r7, r6, PPC44x_TLB_XLAT - stwu r7, 4(r3) - tlbre r7, r6, PPC44x_TLB_ATTRIB - stwu r7, 4(r3) /* Load guest entry. */ lwzu r7, 4(r9) mtspr SPRN_MMUCR, r7 -- GitLab From 83aae4a8098eb8a40a2e9dab3714354182143b4f Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Fri, 25 Jul 2008 13:54:52 -0500 Subject: [PATCH 4874/6244] KVM: ppc: Write only modified shadow entries into the TLB on exit Track which TLB entries need to be written, instead of overwriting everything below the high water mark. Typically only a single guest TLB entry will be modified in a single exit. Guest boot time performance improvement: about 15%. Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/include/asm/kvm_host.h | 3 ++ arch/powerpc/include/asm/kvm_ppc.h | 3 ++ arch/powerpc/kernel/asm-offsets.c | 1 + arch/powerpc/kvm/44x_tlb.c | 9 ++++- arch/powerpc/kvm/booke_interrupts.S | 51 +++++++++++++++++++---------- arch/powerpc/kvm/powerpc.c | 15 +++++++++ 6 files changed, 64 insertions(+), 18 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index dc3a7562bae4..4338b03da8f9 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -82,6 +82,9 @@ struct kvm_vcpu_arch { /* Pages which are referenced in the shadow TLB. */ struct page *shadow_pages[PPC44x_TLB_SIZE]; + /* Track which TLB entries we've modified in the current exit. */ + u8 shadow_tlb_mod[PPC44x_TLB_SIZE]; + u32 host_stack; u32 host_pid; u32 host_dbcr0; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index a8b068792260..8e7e42959903 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -65,6 +65,9 @@ extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, gva_t eend, u32 asid); extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); +/* XXX Book E specific */ +extern void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i); + extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu); static inline void kvmppc_queue_exception(struct kvm_vcpu *vcpu, int exception) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 594064953951..1631d670b9ed 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -357,6 +357,7 @@ int main(void) DEFINE(VCPU_HOST_STACK, offsetof(struct kvm_vcpu, arch.host_stack)); DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid)); DEFINE(VCPU_SHADOW_TLB, offsetof(struct kvm_vcpu, arch.shadow_tlb)); + DEFINE(VCPU_SHADOW_MOD, offsetof(struct kvm_vcpu, arch.shadow_tlb_mod)); DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr)); DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr)); DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr)); diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index a207d16b9dbb..06a5fcfc4d33 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -125,6 +125,11 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu, } } +void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i) +{ + vcpu->arch.shadow_tlb_mod[i] = 1; +} + /* Caller must ensure that the specified guest TLB entry is safe to insert into * the shadow TLB. */ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, @@ -172,10 +177,10 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, * use host large pages in the future. */ stlbe->word0 = (gvaddr & PAGE_MASK) | PPC44x_TLB_VALID | PPC44x_TLB_TS | PPC44x_TLB_4K; - stlbe->word1 = (hpaddr & 0xfffffc00) | ((hpaddr >> 32) & 0xf); stlbe->word2 = kvmppc_44x_tlb_shadow_attrib(flags, vcpu->arch.msr & MSR_PR); + kvmppc_tlbe_set_modified(vcpu, victim); KVMTRACE_5D(STLB_WRITE, vcpu, victim, stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, @@ -209,6 +214,7 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, kvmppc_44x_shadow_release(vcpu, i); stlbe->word0 = 0; + kvmppc_tlbe_set_modified(vcpu, i); KVMTRACE_5D(STLB_INVAL, vcpu, i, stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, handler); @@ -229,6 +235,7 @@ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) kvmppc_44x_shadow_release(vcpu, i); stlbe->word0 = 0; + kvmppc_tlbe_set_modified(vcpu, i); KVMTRACE_5D(STLB_INVAL, vcpu, i, stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, handler); diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 3e88dfa1dbe4..564ea32ecbac 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -335,7 +335,7 @@ lightweight_exit: lwz r3, VCPU_PID(r4) mtspr SPRN_PID, r3 - /* Prevent all TLB updates. */ + /* Prevent all asynchronous TLB updates. */ mfmsr r5 lis r6, (MSR_EE|MSR_CE|MSR_ME|MSR_DE)@h ori r6, r6, (MSR_EE|MSR_CE|MSR_ME|MSR_DE)@l @@ -344,28 +344,45 @@ lightweight_exit: /* Load the guest mappings, leaving the host's "pinned" kernel mappings * in place. */ - /* XXX optimization: load only modified guest entries. */ mfspr r10, SPRN_MMUCR /* Save host MMUCR. */ - lis r8, tlb_44x_hwater@ha - lwz r8, tlb_44x_hwater@l(r8) - addi r9, r4, VCPU_SHADOW_TLB - 4 - li r6, 0 + li r5, PPC44x_TLB_SIZE + lis r5, tlb_44x_hwater@ha + lwz r5, tlb_44x_hwater@l(r5) + mtctr r5 + addi r9, r4, VCPU_SHADOW_TLB + addi r5, r4, VCPU_SHADOW_MOD + li r3, 0 1: + lbzx r7, r3, r5 + cmpwi r7, 0 + beq 3f + /* Load guest entry. */ - lwzu r7, 4(r9) + mulli r11, r3, TLBE_BYTES + add r11, r11, r9 + lwz r7, 0(r11) mtspr SPRN_MMUCR, r7 - lwzu r7, 4(r9) - tlbwe r7, r6, PPC44x_TLB_PAGEID - lwzu r7, 4(r9) - tlbwe r7, r6, PPC44x_TLB_XLAT - lwzu r7, 4(r9) - tlbwe r7, r6, PPC44x_TLB_ATTRIB - /* Increment index. */ - addi r6, r6, 1 - cmpw r6, r8 - blt 1b + lwz r7, 4(r11) + tlbwe r7, r3, PPC44x_TLB_PAGEID + lwz r7, 8(r11) + tlbwe r7, r3, PPC44x_TLB_XLAT + lwz r7, 12(r11) + tlbwe r7, r3, PPC44x_TLB_ATTRIB +3: + addi r3, r3, 1 /* Increment index. */ + bdnz 1b + mtspr SPRN_MMUCR, r10 /* Restore host MMUCR. */ + /* Clear bitmap of modified TLB entries */ + li r5, PPC44x_TLB_SIZE>>2 + mtctr r5 + addi r5, r4, VCPU_SHADOW_MOD - 4 + li r6, 0 +1: + stwu r6, 4(r5) + bdnz 1b + iccci 0, 0 /* XXX hack */ /* Load some guest volatiles. */ diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index b75607180ddb..90a6fc422b23 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -27,6 +27,7 @@ #include #include #include +#include gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn) @@ -307,14 +308,28 @@ static void kvmppc_load_guest_debug_registers(struct kvm_vcpu *vcpu) void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) { + int i; + if (vcpu->guest_debug.enabled) kvmppc_load_guest_debug_registers(vcpu); + + /* Mark every guest entry in the shadow TLB entry modified, so that they + * will all be reloaded on the next vcpu run (instead of being + * demand-faulted). */ + for (i = 0; i <= tlb_44x_hwater; i++) + kvmppc_tlbe_set_modified(vcpu, i); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { if (vcpu->guest_debug.enabled) kvmppc_restore_host_debug_state(vcpu); + + /* Don't leave guest TLB entries resident when being de-scheduled. */ + /* XXX It would be nice to differentiate between heavyweight exit and + * sched_out here, since we could avoid the TLB flush for heavyweight + * exits. */ + _tlbia(); } int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, -- GitLab From 49dd2c492895828a90ecdf889e7fe9cfb40a82a7 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Fri, 25 Jul 2008 13:54:53 -0500 Subject: [PATCH 4875/6244] KVM: powerpc: Map guest userspace with TID=0 mappings When we use TID=N userspace mappings, we must ensure that kernel mappings have been destroyed when entering userspace. Using TID=1/TID=0 for kernel/user mappings and running userspace with PID=0 means that userspace can't access the kernel mappings, but the kernel can directly access userspace. The net is that we don't need to flush the TLB on privilege switches, but we do on guest context switches (which are far more infrequent). Guest boot time performance improvement: about 30%. Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/include/asm/kvm_host.h | 4 +++ arch/powerpc/include/asm/kvm_ppc.h | 9 +++++++ arch/powerpc/kernel/asm-offsets.c | 2 +- arch/powerpc/kvm/44x_tlb.c | 39 +++++++++++++++++------------ arch/powerpc/kvm/booke_guest.c | 2 ++ arch/powerpc/kvm/booke_interrupts.S | 2 +- arch/powerpc/kvm/emulate.c | 2 +- 7 files changed, 41 insertions(+), 19 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 4338b03da8f9..34b52b7180cd 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -129,7 +129,11 @@ struct kvm_vcpu_arch { u32 ivor[16]; u32 ivpr; u32 pir; + + u32 shadow_pid; u32 pid; + u32 swap_pid; + u32 pvr; u32 ccr0; u32 ccr1; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 8e7e42959903..8931ba729d2b 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -64,6 +64,7 @@ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, gva_t eend, u32 asid); extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); +extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid); /* XXX Book E specific */ extern void kvmppc_tlbe_set_modified(struct kvm_vcpu *vcpu, unsigned int i); @@ -95,4 +96,12 @@ static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr) kvm_vcpu_block(vcpu); } +static inline void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 new_pid) +{ + if (vcpu->arch.pid != new_pid) { + vcpu->arch.pid = new_pid; + vcpu->arch.swap_pid = 1; + } +} + #endif /* __POWERPC_KVM_PPC_H__ */ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 1631d670b9ed..52649da344fb 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -369,7 +369,7 @@ int main(void) DEFINE(VCPU_SPRG5, offsetof(struct kvm_vcpu, arch.sprg5)); DEFINE(VCPU_SPRG6, offsetof(struct kvm_vcpu, arch.sprg6)); DEFINE(VCPU_SPRG7, offsetof(struct kvm_vcpu, arch.sprg7)); - DEFINE(VCPU_PID, offsetof(struct kvm_vcpu, arch.pid)); + DEFINE(VCPU_SHADOW_PID, offsetof(struct kvm_vcpu, arch.shadow_pid)); DEFINE(VCPU_LAST_INST, offsetof(struct kvm_vcpu, arch.last_inst)); DEFINE(VCPU_FAULT_DEAR, offsetof(struct kvm_vcpu, arch.fault_dear)); diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 06a5fcfc4d33..3594bbd1f618 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -170,7 +170,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, /* XXX what about AS? */ - stlbe->tid = asid & 0xff; + stlbe->tid = !(asid & 0xff); /* Force TS=1 for all guest mappings. */ /* For now we hardcode 4KB mappings, but it will be important to @@ -190,7 +190,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, gva_t eend, u32 asid) { - unsigned int pid = asid & 0xff; + unsigned int pid = !(asid & 0xff); int i; /* XXX Replace loop with fancy data structures. */ @@ -222,23 +222,30 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, up_write(¤t->mm->mmap_sem); } -/* Invalidate all mappings, so that when they fault back in they will get the - * proper permission bits. */ +/* Invalidate all mappings on the privilege switch after PID has been changed. + * The guest always runs with PID=1, so we must clear the entire TLB when + * switching address spaces. */ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) { int i; - /* XXX Replace loop with fancy data structures. */ - down_write(¤t->mm->mmap_sem); - for (i = 0; i <= tlb_44x_hwater; i++) { - struct tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; - - kvmppc_44x_shadow_release(vcpu, i); - stlbe->word0 = 0; - kvmppc_tlbe_set_modified(vcpu, i); - KVMTRACE_5D(STLB_INVAL, vcpu, i, - stlbe->tid, stlbe->word0, stlbe->word1, - stlbe->word2, handler); + if (vcpu->arch.swap_pid) { + /* XXX Replace loop with fancy data structures. */ + down_write(¤t->mm->mmap_sem); + for (i = 0; i <= tlb_44x_hwater; i++) { + struct tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; + + /* Future optimization: clear only userspace mappings. */ + kvmppc_44x_shadow_release(vcpu, i); + stlbe->word0 = 0; + kvmppc_tlbe_set_modified(vcpu, i); + KVMTRACE_5D(STLB_INVAL, vcpu, i, + stlbe->tid, stlbe->word0, stlbe->word1, + stlbe->word2, handler); + } + up_write(¤t->mm->mmap_sem); + vcpu->arch.swap_pid = 0; } - up_write(¤t->mm->mmap_sem); + + vcpu->arch.shadow_pid = !usermode; } diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c index 3cca079975e1..7b2591e26bae 100644 --- a/arch/powerpc/kvm/booke_guest.c +++ b/arch/powerpc/kvm/booke_guest.c @@ -486,6 +486,8 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->arch.msr = 0; vcpu->arch.gpr[1] = (16<<20) - 8; /* -8 for the callee-save LR slot */ + vcpu->arch.shadow_pid = 1; + /* Eye-catching number so we know if the guest takes an interrupt * before it's programmed its own IVPR. */ vcpu->arch.ivpr = 0x55550000; diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S index 564ea32ecbac..95e165baf85f 100644 --- a/arch/powerpc/kvm/booke_interrupts.S +++ b/arch/powerpc/kvm/booke_interrupts.S @@ -332,7 +332,7 @@ lightweight_exit: mfspr r3, SPRN_PID stw r3, VCPU_HOST_PID(r4) - lwz r3, VCPU_PID(r4) + lwz r3, VCPU_SHADOW_PID(r4) mtspr SPRN_PID, r3 /* Prevent all asynchronous TLB updates. */ diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index c3ed63b22210..0fce4fbdc20d 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -508,7 +508,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) case SPRN_MMUCR: vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break; case SPRN_PID: - vcpu->arch.pid = vcpu->arch.gpr[rs]; break; + kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break; case SPRN_CCR0: vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break; case SPRN_CCR1: -- GitLab From 564f15378f04921d5749f27ec53d5e68a6d1d446 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Sat, 26 Jul 2008 17:00:59 -0300 Subject: [PATCH 4876/6244] KVM: Add irq ack notifier list This can be used by kvm subsystems that are interested in when interrupts are acked, for example time drift compensation. Signed-off-by: Avi Kivity --- arch/x86/kvm/irq.c | 22 ++++++++++++++++++++++ arch/x86/kvm/irq.h | 5 +++++ include/asm-x86/kvm_host.h | 7 +++++++ 3 files changed, 34 insertions(+) diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 0d9e55275af1..90911958d853 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -111,3 +111,25 @@ void kvm_set_irq(struct kvm *kvm, int irq, int level) kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level); kvm_pic_set_irq(pic_irqchip(kvm), irq, level); } + +void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi) +{ + struct kvm_irq_ack_notifier *kian; + struct hlist_node *n; + + hlist_for_each_entry(kian, n, &kvm->arch.irq_ack_notifier_list, link) + if (kian->gsi == gsi) + kian->irq_acked(kian); +} + +void kvm_register_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian) +{ + hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list); +} + +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian) +{ + hlist_del(&kian->link); +} diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 07ff2aef0c13..95fe718e3abc 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -83,6 +83,11 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); void kvm_set_irq(struct kvm *kvm, int irq, int level); +void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); +void kvm_register_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 83afa10c77f5..d451928fc841 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -321,6 +321,12 @@ struct kvm_mem_alias { gfn_t target_gfn; }; +struct kvm_irq_ack_notifier { + struct hlist_node link; + unsigned gsi; + void (*irq_acked)(struct kvm_irq_ack_notifier *kian); +}; + struct kvm_arch{ int naliases; struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; @@ -336,6 +342,7 @@ struct kvm_arch{ struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; + struct hlist_head irq_ack_notifier_list; int round_robin_prev_vcpu; unsigned int tss_addr; -- GitLab From f52447261bc8c21dfd4635196e32d2da1352f589 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Sat, 26 Jul 2008 17:01:00 -0300 Subject: [PATCH 4877/6244] KVM: irq ack notification Based on a patch from: Ben-Ami Yassour which was based on a patch from: Amit Shah Notify IRQ acking on PIC/APIC emulation. The previous patch missed two things: - Edge triggered interrupts on IOAPIC - PIC reset with IRR/ISR set should be equivalent to ack (LAPIC probably needs something similar). Signed-off-by: Marcelo Tosatti CC: Amit Shah CC: Ben-Ami Yassour Signed-off-by: Avi Kivity --- arch/x86/kvm/i8259.c | 12 +++++++++++- arch/x86/kvm/irq.c | 2 +- arch/x86/kvm/irq.h | 3 ++- arch/x86/kvm/lapic.c | 7 +++++-- virt/kvm/ioapic.c | 20 +++++++++++++------- virt/kvm/ioapic.h | 3 ++- 6 files changed, 34 insertions(+), 13 deletions(-) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 55e179ad98ef..de704995b819 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -159,9 +159,10 @@ static inline void pic_intack(struct kvm_kpic_state *s, int irq) s->irr &= ~(1 << irq); } -int kvm_pic_read_irq(struct kvm_pic *s) +int kvm_pic_read_irq(struct kvm *kvm) { int irq, irq2, intno; + struct kvm_pic *s = pic_irqchip(kvm); irq = pic_get_irq(&s->pics[0]); if (irq >= 0) { @@ -187,12 +188,21 @@ int kvm_pic_read_irq(struct kvm_pic *s) intno = s->pics[0].irq_base + irq; } pic_update_irq(s); + kvm_notify_acked_irq(kvm, irq); return intno; } void kvm_pic_reset(struct kvm_kpic_state *s) { + int irq; + struct kvm *kvm = s->pics_state->irq_request_opaque; + + for (irq = 0; irq < PIC_NUM_PINS; irq++) { + if (!(s->imr & (1 << irq)) && (s->irr & (1 << irq) || + s->isr & (1 << irq))) + kvm_notify_acked_irq(kvm, irq); + } s->last_irr = 0; s->irr = 0; s->imr = 0; diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 90911958d853..3c508afaa285 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -72,7 +72,7 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v) if (kvm_apic_accept_pic_intr(v)) { s = pic_irqchip(v->kvm); s->output = 0; /* PIC */ - vector = kvm_pic_read_irq(s); + vector = kvm_pic_read_irq(v->kvm); } } return vector; diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 95fe718e3abc..479a3d2d5614 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -63,11 +63,12 @@ struct kvm_pic { void *irq_request_opaque; int output; /* intr from master PIC */ struct kvm_io_device dev; + void (*ack_notifier)(void *opaque, int irq); }; struct kvm_pic *kvm_create_pic(struct kvm *kvm); void kvm_pic_set_irq(void *opaque, int irq, int level); -int kvm_pic_read_irq(struct kvm_pic *s); +int kvm_pic_read_irq(struct kvm *kvm); void kvm_pic_update_irq(struct kvm_pic *s); static inline struct kvm_pic *pic_irqchip(struct kvm *kvm) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 9fde0ac24268..be94f93a73f6 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -439,7 +439,7 @@ struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector, static void apic_set_eoi(struct kvm_lapic *apic) { int vector = apic_find_highest_isr(apic); - + int trigger_mode; /* * Not every write EOI will has corresponding ISR, * one example is when Kernel check timer on setup_IO_APIC @@ -451,7 +451,10 @@ static void apic_set_eoi(struct kvm_lapic *apic) apic_update_ppr(apic); if (apic_test_and_clear_vector(vector, apic->regs + APIC_TMR)) - kvm_ioapic_update_eoi(apic->vcpu->kvm, vector); + trigger_mode = IOAPIC_LEVEL_TRIG; + else + trigger_mode = IOAPIC_EDGE_TRIG; + kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode); } static void apic_send_ipi(struct kvm_lapic *apic) diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index c0d22870ee9c..515cd7ce761c 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -39,6 +39,7 @@ #include "ioapic.h" #include "lapic.h" +#include "irq.h" #if 0 #define ioapic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) @@ -285,26 +286,31 @@ void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) } } -static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi) +static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi, + int trigger_mode) { union ioapic_redir_entry *ent; ent = &ioapic->redirtbl[gsi]; - ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); - ent->fields.remote_irr = 0; - if (!ent->fields.mask && (ioapic->irr & (1 << gsi))) - ioapic_service(ioapic, gsi); + kvm_notify_acked_irq(ioapic->kvm, gsi); + + if (trigger_mode == IOAPIC_LEVEL_TRIG) { + ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); + ent->fields.remote_irr = 0; + if (!ent->fields.mask && (ioapic->irr & (1 << gsi))) + ioapic_service(ioapic, gsi); + } } -void kvm_ioapic_update_eoi(struct kvm *kvm, int vector) +void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; int i; for (i = 0; i < IOAPIC_NUM_PINS; i++) if (ioapic->redirtbl[i].fields.vector == vector) - __kvm_ioapic_update_eoi(ioapic, i); + __kvm_ioapic_update_eoi(ioapic, i, trigger_mode); } static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr, diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h index 7f16675fe783..b52732f493c1 100644 --- a/virt/kvm/ioapic.h +++ b/virt/kvm/ioapic.h @@ -58,6 +58,7 @@ struct kvm_ioapic { } redirtbl[IOAPIC_NUM_PINS]; struct kvm_io_device dev; struct kvm *kvm; + void (*ack_notifier)(void *opaque, int irq); }; #ifdef DEBUG @@ -87,7 +88,7 @@ static inline int irqchip_in_kernel(struct kvm *kvm) struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector, unsigned long bitmap); -void kvm_ioapic_update_eoi(struct kvm *kvm, int vector); +void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode); int kvm_ioapic_init(struct kvm *kvm); void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level); void kvm_ioapic_reset(struct kvm_ioapic *ioapic); -- GitLab From 3cf57fed216e2c1b6fdfeccb792650bab72a350a Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Sat, 26 Jul 2008 17:01:01 -0300 Subject: [PATCH 4878/6244] KVM: PIT: fix injection logic and count The PIT injection logic is problematic under the following cases: 1) If there is a higher priority vector to be delivered by the time kvm_pit_timer_intr_post is invoked ps->inject_pending won't be set. This opens the possibility for missing many PIT event injections (say if guest executes hlt at this point). 2) ps->inject_pending is racy with more than two vcpus. Since there's no locking around read/dec of pt->pending, two vcpu's can inject two interrupts for a single pt->pending count. Fix 1 by using an irq ack notifier: only reinject when the previous irq has been acked. Fix 2 with appropriate locking around manipulation of pending count and irq_ack by the injection / ack paths. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/i8254.c | 70 ++++++++++++++++++++++---------------------- arch/x86/kvm/i8254.h | 7 ++--- arch/x86/kvm/irq.c | 1 - 3 files changed, 38 insertions(+), 40 deletions(-) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index c0f7872a9124..7d04dd3ef857 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -207,6 +207,8 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps) pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period); pt->scheduled = ktime_to_ns(pt->timer.expires); + if (pt->period) + ps->channels[0].count_load_time = pt->timer.expires; return (pt->period == 0 ? 0 : 1); } @@ -215,12 +217,22 @@ int pit_has_pending_timer(struct kvm_vcpu *vcpu) { struct kvm_pit *pit = vcpu->kvm->arch.vpit; - if (pit && vcpu->vcpu_id == 0 && pit->pit_state.inject_pending) + if (pit && vcpu->vcpu_id == 0 && pit->pit_state.irq_ack) return atomic_read(&pit->pit_state.pit_timer.pending); - return 0; } +void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian) +{ + struct kvm_kpit_state *ps = container_of(kian, struct kvm_kpit_state, + irq_ack_notifier); + spin_lock(&ps->inject_lock); + if (atomic_dec_return(&ps->pit_timer.pending) < 0) + WARN_ON(1); + ps->irq_ack = 1; + spin_unlock(&ps->inject_lock); +} + static enum hrtimer_restart pit_timer_fn(struct hrtimer *data) { struct kvm_kpit_state *ps; @@ -255,8 +267,9 @@ static void destroy_pit_timer(struct kvm_kpit_timer *pt) hrtimer_cancel(&pt->timer); } -static void create_pit_timer(struct kvm_kpit_timer *pt, u32 val, int is_period) +static void create_pit_timer(struct kvm_kpit_state *ps, u32 val, int is_period) { + struct kvm_kpit_timer *pt = &ps->pit_timer; s64 interval; interval = muldiv64(val, NSEC_PER_SEC, KVM_PIT_FREQ); @@ -268,6 +281,7 @@ static void create_pit_timer(struct kvm_kpit_timer *pt, u32 val, int is_period) pt->period = (is_period == 0) ? 0 : interval; pt->timer.function = pit_timer_fn; atomic_set(&pt->pending, 0); + ps->irq_ack = 1; hrtimer_start(&pt->timer, ktime_add_ns(ktime_get(), interval), HRTIMER_MODE_ABS); @@ -302,11 +316,11 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val) case 1: /* FIXME: enhance mode 4 precision */ case 4: - create_pit_timer(&ps->pit_timer, val, 0); + create_pit_timer(ps, val, 0); break; case 2: case 3: - create_pit_timer(&ps->pit_timer, val, 1); + create_pit_timer(ps, val, 1); break; default: destroy_pit_timer(&ps->pit_timer); @@ -520,7 +534,7 @@ void kvm_pit_reset(struct kvm_pit *pit) mutex_unlock(&pit->pit_state.lock); atomic_set(&pit->pit_state.pit_timer.pending, 0); - pit->pit_state.inject_pending = 1; + pit->pit_state.irq_ack = 1; } struct kvm_pit *kvm_create_pit(struct kvm *kvm) @@ -534,6 +548,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm) mutex_init(&pit->pit_state.lock); mutex_lock(&pit->pit_state.lock); + spin_lock_init(&pit->pit_state.inject_lock); /* Initialize PIO device */ pit->dev.read = pit_ioport_read; @@ -555,6 +570,9 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm) pit_state->pit = pit; hrtimer_init(&pit_state->pit_timer.timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS); + pit_state->irq_ack_notifier.gsi = 0; + pit_state->irq_ack_notifier.irq_acked = kvm_pit_ack_irq; + kvm_register_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier); mutex_unlock(&pit->pit_state.lock); kvm_pit_reset(pit); @@ -592,37 +610,19 @@ void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu) struct kvm_kpit_state *ps; if (vcpu && pit) { + int inject = 0; ps = &pit->pit_state; - /* Try to inject pending interrupts when: - * 1. Pending exists - * 2. Last interrupt was accepted or waited for too long time*/ - if (atomic_read(&ps->pit_timer.pending) && - (ps->inject_pending || - (jiffies - ps->last_injected_time - >= KVM_MAX_PIT_INTR_INTERVAL))) { - ps->inject_pending = 0; - __inject_pit_timer_intr(kvm); - ps->last_injected_time = jiffies; - } - } -} - -void kvm_pit_timer_intr_post(struct kvm_vcpu *vcpu, int vec) -{ - struct kvm_arch *arch = &vcpu->kvm->arch; - struct kvm_kpit_state *ps; - - if (vcpu && arch->vpit) { - ps = &arch->vpit->pit_state; - if (atomic_read(&ps->pit_timer.pending) && - (((arch->vpic->pics[0].imr & 1) == 0 && - arch->vpic->pics[0].irq_base == vec) || - (arch->vioapic->redirtbl[0].fields.vector == vec && - arch->vioapic->redirtbl[0].fields.mask != 1))) { - ps->inject_pending = 1; - atomic_dec(&ps->pit_timer.pending); - ps->channels[0].count_load_time = ktime_get(); + /* Try to inject pending interrupts when + * last one has been acked. + */ + spin_lock(&ps->inject_lock); + if (atomic_read(&ps->pit_timer.pending) && ps->irq_ack) { + ps->irq_ack = 0; + inject = 1; } + spin_unlock(&ps->inject_lock); + if (inject) + __inject_pit_timer_intr(kvm); } } diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h index db25c2a6c8c4..e436d4983aa1 100644 --- a/arch/x86/kvm/i8254.h +++ b/arch/x86/kvm/i8254.h @@ -8,7 +8,6 @@ struct kvm_kpit_timer { int irq; s64 period; /* unit: ns */ s64 scheduled; - ktime_t last_update; atomic_t pending; }; @@ -34,8 +33,9 @@ struct kvm_kpit_state { u32 speaker_data_on; struct mutex lock; struct kvm_pit *pit; - bool inject_pending; /* if inject pending interrupts */ - unsigned long last_injected_time; + spinlock_t inject_lock; + unsigned long irq_ack; + struct kvm_irq_ack_notifier irq_ack_notifier; }; struct kvm_pit { @@ -54,7 +54,6 @@ struct kvm_pit { #define KVM_PIT_CHANNEL_MASK 0x3 void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu); -void kvm_pit_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val); struct kvm_pit *kvm_create_pit(struct kvm *kvm); void kvm_free_pit(struct kvm *kvm); diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 3c508afaa285..8c1b9c5def78 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -90,7 +90,6 @@ EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs); void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec) { kvm_apic_timer_intr_post(vcpu, vec); - kvm_pit_timer_intr_post(vcpu, vec); /* TODO: PIT, RTC etc. */ } EXPORT_SYMBOL_GPL(kvm_timer_intr_post); -- GitLab From 3807f345b2c610336c17c7624a0d496a38df75a0 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Mon, 28 Jul 2008 11:47:52 -0300 Subject: [PATCH 4879/6244] x86: paravirt: factor out cpu_khz to common code KVM intends to use paravirt code to calibrate khz. Xen current code will do just fine. So as a first step, factor out code to pvclock.c. Signed-off-by: Glauber Costa Signed-off-by: Avi Kivity --- arch/x86/kernel/pvclock.c | 12 ++++++++++++ arch/x86/xen/time.c | 11 ++--------- include/asm-x86/pvclock.h | 1 + 3 files changed, 15 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 05fbe9a0325a..1c54b5fb7aed 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -97,6 +97,18 @@ static unsigned pvclock_get_time_values(struct pvclock_shadow_time *dst, return dst->version; } +unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src) +{ + u64 tsc_khz = 1000000ULL << 32; + + do_div(tsc_khz, src->tsc_to_system_mul); + if (src->tsc_shift < 0) + tsc_khz <<= -src->tsc_shift; + else + tsc_khz >>= src->tsc_shift; + return tsc_khz; +} + cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) { struct pvclock_shadow_time shadow; diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 004ba86326ae..c9f7cda48ed7 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -198,17 +198,10 @@ unsigned long long xen_sched_clock(void) /* Get the TSC speed from Xen */ unsigned long xen_tsc_khz(void) { - u64 xen_khz = 1000000ULL << 32; - const struct pvclock_vcpu_time_info *info = + struct pvclock_vcpu_time_info *info = &HYPERVISOR_shared_info->vcpu_info[0].time; - do_div(xen_khz, info->tsc_to_system_mul); - if (info->tsc_shift < 0) - xen_khz <<= -info->tsc_shift; - else - xen_khz >>= info->tsc_shift; - - return xen_khz; + return pvclock_tsc_khz(info); } cycle_t xen_clocksource_read(void) diff --git a/include/asm-x86/pvclock.h b/include/asm-x86/pvclock.h index 1a38f6834800..ad29e277fd6d 100644 --- a/include/asm-x86/pvclock.h +++ b/include/asm-x86/pvclock.h @@ -6,6 +6,7 @@ /* some helper functions for xen and kvm pv clock sources */ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src); +unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src); void pvclock_read_wallclock(struct pvclock_wall_clock *wall, struct pvclock_vcpu_time_info *vcpu, struct timespec *ts); -- GitLab From 0293615f3fb9886b6b23800c121be293bb7483e9 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Mon, 28 Jul 2008 11:47:53 -0300 Subject: [PATCH 4880/6244] x86: KVM guest: use paravirt function to calculate cpu khz We're currently facing timing problems in guests that do calibration under heavy load, and then the load vanishes. This means we'll have a much lower lpj than we actually should, and delays end up taking less time than they should, which is a nasty bug. Solution is to pass on the lpj value from host to guest, and have it preset. Signed-off-by: Glauber Costa Signed-off-by: Avi Kivity --- arch/x86/kernel/kvmclock.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index d02def06ca91..774ac4991568 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -78,6 +78,34 @@ static cycle_t kvm_clock_read(void) return ret; } +/* + * If we don't do that, there is the possibility that the guest + * will calibrate under heavy load - thus, getting a lower lpj - + * and execute the delays themselves without load. This is wrong, + * because no delay loop can finish beforehand. + * Any heuristics is subject to fail, because ultimately, a large + * poll of guests can be running and trouble each other. So we preset + * lpj here + */ +static unsigned long kvm_get_tsc_khz(void) +{ + return preset_lpj; +} + +static void kvm_get_preset_lpj(void) +{ + struct pvclock_vcpu_time_info *src; + unsigned long khz; + u64 lpj; + + src = &per_cpu(hv_clock, 0); + khz = pvclock_tsc_khz(src); + + lpj = ((u64)khz * 1000); + do_div(lpj, HZ); + preset_lpj = lpj; +} + static struct clocksource kvm_clock = { .name = "kvm-clock", .read = kvm_clock_read, @@ -153,6 +181,7 @@ void __init kvmclock_init(void) pv_time_ops.get_wallclock = kvm_get_wallclock; pv_time_ops.set_wallclock = kvm_set_wallclock; pv_time_ops.sched_clock = kvm_clock_read; + pv_time_ops.get_tsc_khz = kvm_get_tsc_khz; #ifdef CONFIG_X86_LOCAL_APIC pv_apic_ops.setup_secondary_clock = kvm_setup_secondary_clock; #endif @@ -163,6 +192,7 @@ void __init kvmclock_init(void) #ifdef CONFIG_KEXEC machine_ops.crash_shutdown = kvm_crash_shutdown; #endif + kvm_get_preset_lpj(); clocksource_register(&kvm_clock); } } -- GitLab From cbff90a7caa49507d399c9a55ba4a411e840bfb4 Mon Sep 17 00:00:00 2001 From: Ben-Ami Yassour Date: Mon, 28 Jul 2008 19:26:24 +0300 Subject: [PATCH 4881/6244] KVM: direct mmio pfn check Userspace may specify memory slots that are backed by mmio pages rather than normal RAM. In some cases it is not enough to identify these mmio pages by pfn_valid(). This patch adds checking the PageReserved as well. Signed-off-by: Ben-Ami Yassour Signed-off-by: Muli Ben-Yehuda Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7dd9b0b85e4e..5eb96c7c8d7a 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -76,6 +76,14 @@ static inline int valid_vcpu(int n) return likely(n >= 0 && n < KVM_MAX_VCPUS); } +static inline int is_mmio_pfn(pfn_t pfn) +{ + if (pfn_valid(pfn)) + return PageReserved(pfn_to_page(pfn)); + + return true; +} + /* * Switches to specified vcpu, until a matching vcpu_put() */ @@ -740,7 +748,7 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) } pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; - BUG_ON(pfn_valid(pfn)); + BUG_ON(!is_mmio_pfn(pfn)); } else pfn = page_to_pfn(page[0]); @@ -754,10 +762,10 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) pfn_t pfn; pfn = gfn_to_pfn(kvm, gfn); - if (pfn_valid(pfn)) + if (!is_mmio_pfn(pfn)) return pfn_to_page(pfn); - WARN_ON(!pfn_valid(pfn)); + WARN_ON(is_mmio_pfn(pfn)); get_page(bad_page); return bad_page; @@ -773,7 +781,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean); void kvm_release_pfn_clean(pfn_t pfn) { - if (pfn_valid(pfn)) + if (!is_mmio_pfn(pfn)) put_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); @@ -799,7 +807,7 @@ EXPORT_SYMBOL_GPL(kvm_set_page_dirty); void kvm_set_pfn_dirty(pfn_t pfn) { - if (pfn_valid(pfn)) { + if (!is_mmio_pfn(pfn)) { struct page *page = pfn_to_page(pfn); if (!PageReserved(page)) SetPageDirty(page); @@ -809,14 +817,14 @@ EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty); void kvm_set_pfn_accessed(pfn_t pfn) { - if (pfn_valid(pfn)) + if (!is_mmio_pfn(pfn)) mark_page_accessed(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed); void kvm_get_pfn(pfn_t pfn) { - if (pfn_valid(pfn)) + if (!is_mmio_pfn(pfn)) get_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_get_pfn); -- GitLab From 4d5c5d0fe89c921336b95f5e7e4f529a9df92f53 Mon Sep 17 00:00:00 2001 From: Ben-Ami Yassour Date: Mon, 28 Jul 2008 19:26:26 +0300 Subject: [PATCH 4882/6244] KVM: pci device assignment Based on a patch from: Amit Shah This patch adds support for handling PCI devices that are assigned to the guest. The device to be assigned to the guest is registered in the host kernel and interrupt delivery is handled. If a device is already assigned, or the device driver for it is still loaded on the host, the device assignment is failed by conveying a -EBUSY reply to the userspace. Devices that share their interrupt line are not supported at the moment. By itself, this patch will not make devices work within the guest. The VT-d extension is required to enable the device to perform DMA. Another alternative is PVDMA. Signed-off-by: Amit Shah Signed-off-by: Ben-Ami Yassour Signed-off-by: Weidong Han Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 243 +++++++++++++++++++++++++++++++++++++ include/asm-x86/kvm_host.h | 16 +++ include/linux/kvm.h | 19 +++ 3 files changed, 278 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 94a216562f10..a97157cc42ae 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4,10 +4,14 @@ * derived from drivers/kvm/kvm_main.c * * Copyright (C) 2006 Qumranet, Inc. + * Copyright (C) 2008 Qumranet, Inc. + * Copyright IBM Corporation, 2008 * * Authors: * Avi Kivity * Yaniv Kamay + * Amit Shah + * Ben-Ami Yassour * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. @@ -23,8 +27,10 @@ #include "x86.h" #include +#include #include #include +#include #include #include #include @@ -98,6 +104,219 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { NULL } }; +struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, + int assigned_dev_id) +{ + struct list_head *ptr; + struct kvm_assigned_dev_kernel *match; + + list_for_each(ptr, head) { + match = list_entry(ptr, struct kvm_assigned_dev_kernel, list); + if (match->assigned_dev_id == assigned_dev_id) + return match; + } + return NULL; +} + +static void kvm_assigned_dev_interrupt_work_handler(struct work_struct *work) +{ + struct kvm_assigned_dev_kernel *assigned_dev; + + assigned_dev = container_of(work, struct kvm_assigned_dev_kernel, + interrupt_work); + + /* This is taken to safely inject irq inside the guest. When + * the interrupt injection (or the ioapic code) uses a + * finer-grained lock, update this + */ + mutex_lock(&assigned_dev->kvm->lock); + kvm_set_irq(assigned_dev->kvm, + assigned_dev->guest_irq, 1); + mutex_unlock(&assigned_dev->kvm->lock); + kvm_put_kvm(assigned_dev->kvm); +} + +/* FIXME: Implement the OR logic needed to make shared interrupts on + * this line behave properly + */ +static irqreturn_t kvm_assigned_dev_intr(int irq, void *dev_id) +{ + struct kvm_assigned_dev_kernel *assigned_dev = + (struct kvm_assigned_dev_kernel *) dev_id; + + kvm_get_kvm(assigned_dev->kvm); + schedule_work(&assigned_dev->interrupt_work); + disable_irq_nosync(irq); + return IRQ_HANDLED; +} + +/* Ack the irq line for an assigned device */ +static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian) +{ + struct kvm_assigned_dev_kernel *dev; + + if (kian->gsi == -1) + return; + + dev = container_of(kian, struct kvm_assigned_dev_kernel, + ack_notifier); + kvm_set_irq(dev->kvm, dev->guest_irq, 0); + enable_irq(dev->host_irq); +} + +static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, + struct kvm_assigned_irq + *assigned_irq) +{ + int r = 0; + struct kvm_assigned_dev_kernel *match; + + mutex_lock(&kvm->lock); + + match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, + assigned_irq->assigned_dev_id); + if (!match) { + mutex_unlock(&kvm->lock); + return -EINVAL; + } + + if (match->irq_requested) { + match->guest_irq = assigned_irq->guest_irq; + match->ack_notifier.gsi = assigned_irq->guest_irq; + mutex_unlock(&kvm->lock); + return 0; + } + + INIT_WORK(&match->interrupt_work, + kvm_assigned_dev_interrupt_work_handler); + + if (irqchip_in_kernel(kvm)) { + if (assigned_irq->host_irq) + match->host_irq = assigned_irq->host_irq; + else + match->host_irq = match->dev->irq; + match->guest_irq = assigned_irq->guest_irq; + match->ack_notifier.gsi = assigned_irq->guest_irq; + match->ack_notifier.irq_acked = kvm_assigned_dev_ack_irq; + kvm_register_irq_ack_notifier(kvm, &match->ack_notifier); + + /* Even though this is PCI, we don't want to use shared + * interrupts. Sharing host devices with guest-assigned devices + * on the same interrupt line is not a happy situation: there + * are going to be long delays in accepting, acking, etc. + */ + if (request_irq(match->host_irq, kvm_assigned_dev_intr, 0, + "kvm_assigned_device", (void *)match)) { + printk(KERN_INFO "%s: couldn't allocate irq for pv " + "device\n", __func__); + r = -EIO; + goto out; + } + } + + match->irq_requested = true; +out: + mutex_unlock(&kvm->lock); + return r; +} + +static int kvm_vm_ioctl_assign_device(struct kvm *kvm, + struct kvm_assigned_pci_dev *assigned_dev) +{ + int r = 0; + struct kvm_assigned_dev_kernel *match; + struct pci_dev *dev; + + mutex_lock(&kvm->lock); + + match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, + assigned_dev->assigned_dev_id); + if (match) { + /* device already assigned */ + r = -EINVAL; + goto out; + } + + match = kzalloc(sizeof(struct kvm_assigned_dev_kernel), GFP_KERNEL); + if (match == NULL) { + printk(KERN_INFO "%s: Couldn't allocate memory\n", + __func__); + r = -ENOMEM; + goto out; + } + dev = pci_get_bus_and_slot(assigned_dev->busnr, + assigned_dev->devfn); + if (!dev) { + printk(KERN_INFO "%s: host device not found\n", __func__); + r = -EINVAL; + goto out_free; + } + if (pci_enable_device(dev)) { + printk(KERN_INFO "%s: Could not enable PCI device\n", __func__); + r = -EBUSY; + goto out_put; + } + r = pci_request_regions(dev, "kvm_assigned_device"); + if (r) { + printk(KERN_INFO "%s: Could not get access to device regions\n", + __func__); + goto out_disable; + } + match->assigned_dev_id = assigned_dev->assigned_dev_id; + match->host_busnr = assigned_dev->busnr; + match->host_devfn = assigned_dev->devfn; + match->dev = dev; + + match->kvm = kvm; + + list_add(&match->list, &kvm->arch.assigned_dev_head); + +out: + mutex_unlock(&kvm->lock); + return r; +out_disable: + pci_disable_device(dev); +out_put: + pci_dev_put(dev); +out_free: + kfree(match); + mutex_unlock(&kvm->lock); + return r; +} + +static void kvm_free_assigned_devices(struct kvm *kvm) +{ + struct list_head *ptr, *ptr2; + struct kvm_assigned_dev_kernel *assigned_dev; + + list_for_each_safe(ptr, ptr2, &kvm->arch.assigned_dev_head) { + assigned_dev = list_entry(ptr, + struct kvm_assigned_dev_kernel, + list); + + if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested) { + free_irq(assigned_dev->host_irq, + (void *)assigned_dev); + + kvm_unregister_irq_ack_notifier(kvm, + &assigned_dev-> + ack_notifier); + } + + if (cancel_work_sync(&assigned_dev->interrupt_work)) + /* We had pending work. That means we will have to take + * care of kvm_put_kvm. + */ + kvm_put_kvm(kvm); + + pci_release_regions(assigned_dev->dev); + pci_disable_device(assigned_dev->dev); + pci_dev_put(assigned_dev->dev); + + list_del(&assigned_dev->list); + kfree(assigned_dev); + } +} unsigned long segment_base(u16 selector) { @@ -1766,6 +1985,28 @@ long kvm_arch_vm_ioctl(struct file *filp, r = 0; break; } + case KVM_ASSIGN_PCI_DEVICE: { + struct kvm_assigned_pci_dev assigned_dev; + + r = -EFAULT; + if (copy_from_user(&assigned_dev, argp, sizeof assigned_dev)) + goto out; + r = kvm_vm_ioctl_assign_device(kvm, &assigned_dev); + if (r) + goto out; + break; + } + case KVM_ASSIGN_IRQ: { + struct kvm_assigned_irq assigned_irq; + + r = -EFAULT; + if (copy_from_user(&assigned_irq, argp, sizeof assigned_irq)) + goto out; + r = kvm_vm_ioctl_assign_irq(kvm, &assigned_irq); + if (r) + goto out; + break; + } case KVM_GET_PIT: { struct kvm_pit_state ps; r = -EFAULT; @@ -3945,6 +4186,7 @@ struct kvm *kvm_arch_create_vm(void) return ERR_PTR(-ENOMEM); INIT_LIST_HEAD(&kvm->arch.active_mmu_pages); + INIT_LIST_HEAD(&kvm->arch.assigned_dev_head); return kvm; } @@ -3977,6 +4219,7 @@ static void kvm_free_vcpus(struct kvm *kvm) void kvm_arch_destroy_vm(struct kvm *kvm) { + kvm_free_assigned_devices(kvm); kvm_free_pit(kvm); kfree(kvm->arch.vpic); kfree(kvm->arch.vioapic); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index d451928fc841..99dddfcecf60 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -327,6 +327,21 @@ struct kvm_irq_ack_notifier { void (*irq_acked)(struct kvm_irq_ack_notifier *kian); }; +struct kvm_assigned_dev_kernel { + struct kvm_irq_ack_notifier ack_notifier; + struct work_struct interrupt_work; + struct list_head list; + struct kvm_assigned_pci_dev assigned_dev; + int assigned_dev_id; + int host_busnr; + int host_devfn; + int host_irq; + int guest_irq; + int irq_requested; + struct pci_dev *dev; + struct kvm *kvm; +}; + struct kvm_arch{ int naliases; struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; @@ -339,6 +354,7 @@ struct kvm_arch{ * Hash table of struct kvm_mmu_page. */ struct list_head active_mmu_pages; + struct list_head assigned_dev_head; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; diff --git a/include/linux/kvm.h b/include/linux/kvm.h index d29b64881447..ef4bc6f89778 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -383,6 +383,7 @@ struct kvm_trace_rec { #define KVM_CAP_MP_STATE 14 #define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ +#define KVM_CAP_DEVICE_ASSIGNMENT 17 /* * ioctls for VM fds @@ -412,6 +413,10 @@ struct kvm_trace_rec { _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone) #define KVM_UNREGISTER_COALESCED_MMIO \ _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone) +#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \ + struct kvm_assigned_pci_dev) +#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \ + struct kvm_assigned_irq) /* * ioctls for vcpu fds @@ -476,4 +481,18 @@ struct kvm_trace_rec { #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18) #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19) +struct kvm_assigned_pci_dev { + __u32 assigned_dev_id; + __u32 busnr; + __u32 devfn; + __u32 flags; +}; + +struct kvm_assigned_irq { + __u32 assigned_dev_id; + __u32 host_irq; + __u32 guest_irq; + __u32 flags; +}; + #endif -- GitLab From f0d662759a2465babdba1160749c446648c9d159 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 11 Aug 2008 10:01:45 -0700 Subject: [PATCH 4883/6244] KVM: Reduce kvm stack usage in kvm_arch_vm_ioctl() On my machine with gcc 3.4, kvm uses ~2k of stack in a few select functions. This is mostly because gcc fails to notice that the different case: statements could have their stack usage combined. It overflows very nicely if interrupts happen during one of these large uses. This patch uses two methods for reducing stack usage. 1. dynamically allocate large objects instead of putting on the stack. 2. Use a union{} member for all of the case variables. This tricks gcc into combining them all into a single stack allocation. (There's also a comment on this) Signed-off-by: Dave Hansen Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 72 +++++++++++++++++++++++++++++----------------- 1 file changed, 45 insertions(+), 27 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a97157cc42ae..87d434228fe2 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1869,6 +1869,15 @@ long kvm_arch_vm_ioctl(struct file *filp, struct kvm *kvm = filp->private_data; void __user *argp = (void __user *)arg; int r = -EINVAL; + /* + * This union makes it completely explicit to gcc-3.x + * that these two variables' stack usage should be + * combined, not added together. + */ + union { + struct kvm_pit_state ps; + struct kvm_memory_alias alias; + } u; switch (ioctl) { case KVM_SET_TSS_ADDR: @@ -1900,17 +1909,14 @@ long kvm_arch_vm_ioctl(struct file *filp, case KVM_GET_NR_MMU_PAGES: r = kvm_vm_ioctl_get_nr_mmu_pages(kvm); break; - case KVM_SET_MEMORY_ALIAS: { - struct kvm_memory_alias alias; - + case KVM_SET_MEMORY_ALIAS: r = -EFAULT; - if (copy_from_user(&alias, argp, sizeof alias)) + if (copy_from_user(&u.alias, argp, sizeof(struct kvm_memory_alias))) goto out; - r = kvm_vm_ioctl_set_memory_alias(kvm, &alias); + r = kvm_vm_ioctl_set_memory_alias(kvm, &u.alias); if (r) goto out; break; - } case KVM_CREATE_IRQCHIP: r = -ENOMEM; kvm->arch.vpic = kvm_create_pic(kvm); @@ -1952,37 +1958,51 @@ long kvm_arch_vm_ioctl(struct file *filp, } case KVM_GET_IRQCHIP: { /* 0: PIC master, 1: PIC slave, 2: IOAPIC */ - struct kvm_irqchip chip; + struct kvm_irqchip *chip = kmalloc(sizeof(*chip), GFP_KERNEL); - r = -EFAULT; - if (copy_from_user(&chip, argp, sizeof chip)) + r = -ENOMEM; + if (!chip) goto out; + r = -EFAULT; + if (copy_from_user(chip, argp, sizeof *chip)) + goto get_irqchip_out; r = -ENXIO; if (!irqchip_in_kernel(kvm)) - goto out; - r = kvm_vm_ioctl_get_irqchip(kvm, &chip); + goto get_irqchip_out; + r = kvm_vm_ioctl_get_irqchip(kvm, chip); if (r) - goto out; + goto get_irqchip_out; r = -EFAULT; - if (copy_to_user(argp, &chip, sizeof chip)) - goto out; + if (copy_to_user(argp, chip, sizeof *chip)) + goto get_irqchip_out; r = 0; + get_irqchip_out: + kfree(chip); + if (r) + goto out; break; } case KVM_SET_IRQCHIP: { /* 0: PIC master, 1: PIC slave, 2: IOAPIC */ - struct kvm_irqchip chip; + struct kvm_irqchip *chip = kmalloc(sizeof(*chip), GFP_KERNEL); - r = -EFAULT; - if (copy_from_user(&chip, argp, sizeof chip)) + r = -ENOMEM; + if (!chip) goto out; + r = -EFAULT; + if (copy_from_user(chip, argp, sizeof *chip)) + goto set_irqchip_out; r = -ENXIO; if (!irqchip_in_kernel(kvm)) - goto out; - r = kvm_vm_ioctl_set_irqchip(kvm, &chip); + goto set_irqchip_out; + r = kvm_vm_ioctl_set_irqchip(kvm, chip); if (r) - goto out; + goto set_irqchip_out; r = 0; + set_irqchip_out: + kfree(chip); + if (r) + goto out; break; } case KVM_ASSIGN_PCI_DEVICE: { @@ -2008,31 +2028,29 @@ long kvm_arch_vm_ioctl(struct file *filp, break; } case KVM_GET_PIT: { - struct kvm_pit_state ps; r = -EFAULT; - if (copy_from_user(&ps, argp, sizeof ps)) + if (copy_from_user(&u.ps, argp, sizeof(struct kvm_pit_state))) goto out; r = -ENXIO; if (!kvm->arch.vpit) goto out; - r = kvm_vm_ioctl_get_pit(kvm, &ps); + r = kvm_vm_ioctl_get_pit(kvm, &u.ps); if (r) goto out; r = -EFAULT; - if (copy_to_user(argp, &ps, sizeof ps)) + if (copy_to_user(argp, &u.ps, sizeof(struct kvm_pit_state))) goto out; r = 0; break; } case KVM_SET_PIT: { - struct kvm_pit_state ps; r = -EFAULT; - if (copy_from_user(&ps, argp, sizeof ps)) + if (copy_from_user(&u.ps, argp, sizeof u.ps)) goto out; r = -ENXIO; if (!kvm->arch.vpit) goto out; - r = kvm_vm_ioctl_set_pit(kvm, &ps); + r = kvm_vm_ioctl_set_pit(kvm, &u.ps); if (r) goto out; r = 0; -- GitLab From fa3795a7308df099f0f2c9e5ca2c20a5ff65bdc4 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 11 Aug 2008 10:01:46 -0700 Subject: [PATCH 4884/6244] KVM: Reduce stack usage in kvm_vcpu_ioctl() Signed-off-by: Dave Hansen Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 46 +++++++++++++++++++++++++++------------------ 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 5eb96c7c8d7a..0309571fcb20 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1126,6 +1126,8 @@ static long kvm_vcpu_ioctl(struct file *filp, struct kvm_vcpu *vcpu = filp->private_data; void __user *argp = (void __user *)arg; int r; + struct kvm_fpu *fpu = NULL; + struct kvm_sregs *kvm_sregs = NULL; if (vcpu->kvm->mm != current->mm) return -EIO; @@ -1173,25 +1175,28 @@ out_free2: break; } case KVM_GET_SREGS: { - struct kvm_sregs kvm_sregs; - - memset(&kvm_sregs, 0, sizeof kvm_sregs); - r = kvm_arch_vcpu_ioctl_get_sregs(vcpu, &kvm_sregs); + kvm_sregs = kzalloc(sizeof(struct kvm_sregs), GFP_KERNEL); + r = -ENOMEM; + if (!kvm_sregs) + goto out; + r = kvm_arch_vcpu_ioctl_get_sregs(vcpu, kvm_sregs); if (r) goto out; r = -EFAULT; - if (copy_to_user(argp, &kvm_sregs, sizeof kvm_sregs)) + if (copy_to_user(argp, kvm_sregs, sizeof(struct kvm_sregs))) goto out; r = 0; break; } case KVM_SET_SREGS: { - struct kvm_sregs kvm_sregs; - + kvm_sregs = kmalloc(sizeof(struct kvm_sregs), GFP_KERNEL); + r = -ENOMEM; + if (!kvm_sregs) + goto out; r = -EFAULT; - if (copy_from_user(&kvm_sregs, argp, sizeof kvm_sregs)) + if (copy_from_user(kvm_sregs, argp, sizeof(struct kvm_sregs))) goto out; - r = kvm_arch_vcpu_ioctl_set_sregs(vcpu, &kvm_sregs); + r = kvm_arch_vcpu_ioctl_set_sregs(vcpu, kvm_sregs); if (r) goto out; r = 0; @@ -1272,25 +1277,28 @@ out_free2: break; } case KVM_GET_FPU: { - struct kvm_fpu fpu; - - memset(&fpu, 0, sizeof fpu); - r = kvm_arch_vcpu_ioctl_get_fpu(vcpu, &fpu); + fpu = kzalloc(sizeof(struct kvm_fpu), GFP_KERNEL); + r = -ENOMEM; + if (!fpu) + goto out; + r = kvm_arch_vcpu_ioctl_get_fpu(vcpu, fpu); if (r) goto out; r = -EFAULT; - if (copy_to_user(argp, &fpu, sizeof fpu)) + if (copy_to_user(argp, fpu, sizeof(struct kvm_fpu))) goto out; r = 0; break; } case KVM_SET_FPU: { - struct kvm_fpu fpu; - + fpu = kmalloc(sizeof(struct kvm_fpu), GFP_KERNEL); + r = -ENOMEM; + if (!fpu) + goto out; r = -EFAULT; - if (copy_from_user(&fpu, argp, sizeof fpu)) + if (copy_from_user(fpu, argp, sizeof(struct kvm_fpu))) goto out; - r = kvm_arch_vcpu_ioctl_set_fpu(vcpu, &fpu); + r = kvm_arch_vcpu_ioctl_set_fpu(vcpu, fpu); if (r) goto out; r = 0; @@ -1300,6 +1308,8 @@ out_free2: r = kvm_arch_vcpu_ioctl(filp, ioctl, arg); } out: + kfree(fpu); + kfree(kvm_sregs); return r; } -- GitLab From b772ff362ec6b821c8a5227a3355e263f917bfad Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 11 Aug 2008 10:01:47 -0700 Subject: [PATCH 4885/6244] KVM: Reduce stack usage in kvm_arch_vcpu_ioctl() [sheng: fix KVM_GET_LAPIC using wrong size] Signed-off-by: Dave Hansen Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 87d434228fe2..f1b0223c4088 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1542,28 +1542,33 @@ long kvm_arch_vcpu_ioctl(struct file *filp, struct kvm_vcpu *vcpu = filp->private_data; void __user *argp = (void __user *)arg; int r; + struct kvm_lapic_state *lapic = NULL; switch (ioctl) { case KVM_GET_LAPIC: { - struct kvm_lapic_state lapic; + lapic = kzalloc(sizeof(struct kvm_lapic_state), GFP_KERNEL); - memset(&lapic, 0, sizeof lapic); - r = kvm_vcpu_ioctl_get_lapic(vcpu, &lapic); + r = -ENOMEM; + if (!lapic) + goto out; + r = kvm_vcpu_ioctl_get_lapic(vcpu, lapic); if (r) goto out; r = -EFAULT; - if (copy_to_user(argp, &lapic, sizeof lapic)) + if (copy_to_user(argp, lapic, sizeof(struct kvm_lapic_state))) goto out; r = 0; break; } case KVM_SET_LAPIC: { - struct kvm_lapic_state lapic; - + lapic = kmalloc(sizeof(struct kvm_lapic_state), GFP_KERNEL); + r = -ENOMEM; + if (!lapic) + goto out; r = -EFAULT; - if (copy_from_user(&lapic, argp, sizeof lapic)) + if (copy_from_user(lapic, argp, sizeof(struct kvm_lapic_state))) goto out; - r = kvm_vcpu_ioctl_set_lapic(vcpu, &lapic);; + r = kvm_vcpu_ioctl_set_lapic(vcpu, lapic); if (r) goto out; r = 0; @@ -1661,6 +1666,8 @@ long kvm_arch_vcpu_ioctl(struct file *filp, r = -EINVAL; } out: + if (lapic) + kfree(lapic); return r; } -- GitLab From 6ad18fba05228fb1d47cdbc0339fe8b3fca1ca26 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Mon, 11 Aug 2008 10:01:49 -0700 Subject: [PATCH 4886/6244] KVM: Reduce stack usage in kvm_pv_mmu_op() We're in a hot path. We can't use kmalloc() because it might impact performance. So, we just stick the buffer that we need into the kvm_vcpu_arch structure. This is used very often, so it is not really a waste. We also have to move the buffer structure's definition to the arch-specific x86 kvm header. Signed-off-by: Dave Hansen Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 23 ++++++++--------------- include/asm-x86/kvm_host.h | 10 ++++++++++ 2 files changed, 18 insertions(+), 15 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c3afbfe6b0c1..171bcea1be21 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -135,13 +135,6 @@ module_param(dbg, bool, 0644); #define ACC_USER_MASK PT_USER_MASK #define ACC_ALL (ACC_EXEC_MASK | ACC_WRITE_MASK | ACC_USER_MASK) -struct kvm_pv_mmu_op_buffer { - void *ptr; - unsigned len; - unsigned processed; - char buf[512] __aligned(sizeof(long)); -}; - struct kvm_rmap_desc { u64 *shadow_ptes[RMAP_EXT]; struct kvm_rmap_desc *more; @@ -2292,18 +2285,18 @@ int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, gpa_t addr, unsigned long *ret) { int r; - struct kvm_pv_mmu_op_buffer buffer; + struct kvm_pv_mmu_op_buffer *buffer = &vcpu->arch.mmu_op_buffer; - buffer.ptr = buffer.buf; - buffer.len = min_t(unsigned long, bytes, sizeof buffer.buf); - buffer.processed = 0; + buffer->ptr = buffer->buf; + buffer->len = min_t(unsigned long, bytes, sizeof buffer->buf); + buffer->processed = 0; - r = kvm_read_guest(vcpu->kvm, addr, buffer.buf, buffer.len); + r = kvm_read_guest(vcpu->kvm, addr, buffer->buf, buffer->len); if (r) goto out; - while (buffer.len) { - r = kvm_pv_mmu_op_one(vcpu, &buffer); + while (buffer->len) { + r = kvm_pv_mmu_op_one(vcpu, buffer); if (r < 0) goto out; if (r == 0) @@ -2312,7 +2305,7 @@ int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, r = 1; out: - *ret = buffer.processed; + *ret = buffer->processed; return r; } diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 99dddfcecf60..9cb4b4dae5c6 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -201,6 +201,13 @@ struct kvm_mmu_page { }; }; +struct kvm_pv_mmu_op_buffer { + void *ptr; + unsigned len; + unsigned processed; + char buf[512] __aligned(sizeof(long)); +}; + /* * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level * 32-bit). The kvm_mmu structure abstracts the details of the current mmu @@ -248,6 +255,9 @@ struct kvm_vcpu_arch { bool tpr_access_reporting; struct kvm_mmu mmu; + /* only needed in kvm_pv_mmu_op() path, but it's hot so + * put it here to avoid allocation */ + struct kvm_pv_mmu_op_buffer mmu_op_buffer; struct kvm_mmu_memory_cache mmu_pte_chain_cache; struct kvm_mmu_memory_cache mmu_rmap_desc_cache; -- GitLab From 464d17c8b747deb77d1bf8c14cc4f28aab2a4952 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Wed, 13 Aug 2008 14:10:33 +0800 Subject: [PATCH 4887/6244] KVM: VMX: Clean up magic number 0x66 in init_rmode_tss Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ddb49e34697b..229e2d06fa2a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1732,7 +1732,8 @@ static int init_rmode_tss(struct kvm *kvm) if (r < 0) goto out; data = TSS_BASE_SIZE + TSS_REDIRECTION_SIZE; - r = kvm_write_guest_page(kvm, fn++, &data, 0x66, sizeof(u16)); + r = kvm_write_guest_page(kvm, fn++, &data, + TSS_IOPB_BASE_OFFSET, sizeof(u16)); if (r < 0) goto out; r = kvm_clear_guest_page(kvm, fn++, 0, PAGE_SIZE); -- GitLab From 8349b5cd816adf102c078553ec8ca63b3beb457c Mon Sep 17 00:00:00 2001 From: Ben-Ami Yassour Date: Tue, 5 Aug 2008 15:30:13 +0300 Subject: [PATCH 4888/6244] KVM: remove unused field from the assigned dev struct Remove unused field: struct kvm_assigned_pci_dev assigned_dev from struct: struct kvm_assigned_dev_kernel Signed-off-by: Ben-Ami Yassour Signed-off-by: Avi Kivity --- include/asm-x86/kvm_host.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 9cb4b4dae5c6..225fdb835d44 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -341,7 +341,6 @@ struct kvm_assigned_dev_kernel { struct kvm_irq_ack_notifier ack_notifier; struct work_struct interrupt_work; struct list_head list; - struct kvm_assigned_pci_dev assigned_dev; int assigned_dev_id; int host_busnr; int host_devfn; -- GitLab From 29415c37f043d1d54dcf356601d738ff6633b72b Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Fri, 1 Aug 2008 20:09:13 -0300 Subject: [PATCH 4889/6244] KVM: set debug registers after "schedulable" section The vcpu thread can be preempted after the guest_debug_pre() callback, resulting in invalid debug registers on the new vcpu. Move it inside the non-preemptable section. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index f1b0223c4088..4a033757a19e 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3113,10 +3113,6 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) down_read(&vcpu->kvm->slots_lock); vapic_enter(vcpu); -preempted: - if (vcpu->guest_debug.enabled) - kvm_x86_ops->guest_debug_pre(vcpu); - again: if (vcpu->requests) if (test_and_clear_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests)) @@ -3170,6 +3166,9 @@ again: goto out; } + if (vcpu->guest_debug.enabled) + kvm_x86_ops->guest_debug_pre(vcpu); + vcpu->guest_mode = 1; /* * Make sure that guest_mode assignment won't happen after @@ -3244,7 +3243,7 @@ out: if (r > 0) { kvm_resched(vcpu); down_read(&vcpu->kvm->slots_lock); - goto preempted; + goto again; } post_kvm_run_save(vcpu, kvm_run); -- GitLab From ecfc79c700b02c5ad1ccae58718015caa84824be Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 14 Aug 2008 11:13:16 +0300 Subject: [PATCH 4890/6244] KVM: VMX: Use interrupt queue for !irqchip_in_kernel Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 229e2d06fa2a..81db7d48ab80 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2173,7 +2173,7 @@ static void kvm_do_inject_irq(struct kvm_vcpu *vcpu) clear_bit(bit_index, &vcpu->arch.irq_pending[word_index]); if (!vcpu->arch.irq_pending[word_index]) clear_bit(word_index, &vcpu->arch.irq_summary); - vmx_inject_irq(vcpu, irq); + kvm_queue_interrupt(vcpu, irq); } @@ -2187,13 +2187,12 @@ static void do_interrupt_requests(struct kvm_vcpu *vcpu, (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & 3) == 0); if (vcpu->arch.interrupt_window_open && - vcpu->arch.irq_summary && - !(vmcs_read32(VM_ENTRY_INTR_INFO_FIELD) & INTR_INFO_VALID_MASK)) - /* - * If interrupts enabled, and not blocked by sti or mov ss. Good. - */ + vcpu->arch.irq_summary && !vcpu->arch.interrupt.pending) kvm_do_inject_irq(vcpu); + if (vcpu->arch.interrupt_window_open && vcpu->arch.interrupt.pending) + vmx_inject_irq(vcpu, vcpu->arch.interrupt.nr); + cpu_based_vm_exec_control = vmcs_read32(CPU_BASED_VM_EXEC_CONTROL); if (!vcpu->arch.interrupt_window_open && (vcpu->arch.irq_summary || kvm_run->request_interrupt_window)) -- GitLab From 8ceed34744f81c4a33d68ab825fd9ad3dd5f5505 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 14 Aug 2008 21:25:47 +0300 Subject: [PATCH 4891/6244] KVM: Simplify exception entries by using __ASM_SIZE and _ASM_PTR Signed-off-by: Avi Kivity --- include/asm-x86/kvm_host.h | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 225fdb835d44..b6d26b80b75b 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -734,15 +734,6 @@ enum { TASK_SWITCH_GATE = 3, }; - -#ifdef CONFIG_64BIT -# define KVM_EX_ENTRY ".quad" -# define KVM_EX_PUSH "pushq" -#else -# define KVM_EX_ENTRY ".long" -# define KVM_EX_PUSH "pushl" -#endif - /* * Hardware virtualization extension instructions may fault if a * reboot turns off virtualization while processes are running. @@ -754,11 +745,11 @@ asmlinkage void kvm_handle_fault_on_reboot(void); "666: " insn "\n\t" \ ".pushsection .fixup, \"ax\" \n" \ "667: \n\t" \ - KVM_EX_PUSH " $666b \n\t" \ + __ASM_SIZE(push) " $666b \n\t" \ "jmp kvm_handle_fault_on_reboot \n\t" \ ".popsection \n\t" \ ".pushsection __ex_table, \"a\" \n\t" \ - KVM_EX_ENTRY " 666b, 667b \n\t" \ + _ASM_PTR " 666b, 667b \n\t" \ ".popsection" #define KVM_ARCH_WANT_MMU_NOTIFIER -- GitLab From 85428ac7c39ab5fff23b5d14ccb32941e9401285 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Thu, 14 Aug 2008 20:53:25 -0300 Subject: [PATCH 4892/6244] KVM: fix i8259 reset irq acking The irq ack during pic reset has three problems: - Ignores slave/master PIC, using gsi 0-8 for both. - Generates an ACK even if the APIC is in control. - Depends upon IMR being clear, which is broken if the irq was masked at the time it was generated. The last one causes the BIOS to hang after the first reboot of Windows installation, since PIT interrupts stop. [avi: fix check whether pic interrupts are seen by cpu] Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/i8259.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index de704995b819..71e3eeeccae8 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -195,13 +195,19 @@ int kvm_pic_read_irq(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s) { - int irq; + int irq, irqbase; struct kvm *kvm = s->pics_state->irq_request_opaque; + struct kvm_vcpu *vcpu0 = kvm->vcpus[0]; - for (irq = 0; irq < PIC_NUM_PINS; irq++) { - if (!(s->imr & (1 << irq)) && (s->irr & (1 << irq) || - s->isr & (1 << irq))) - kvm_notify_acked_irq(kvm, irq); + if (s == &s->pics_state->pics[0]) + irqbase = 0; + else + irqbase = 8; + + for (irq = 0; irq < PIC_NUM_PINS/2; irq++) { + if (vcpu0 && kvm_apic_accept_pic_intr(vcpu0)) + if (s->irr & (1 << irq) || s->isr & (1 << irq)) + kvm_notify_acked_irq(kvm, irq+irqbase); } s->last_irr = 0; s->irr = 0; -- GitLab From dc7404cea34ef997dfe89ca94d16358e9d29c8d8 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Sun, 17 Aug 2008 16:03:46 +0300 Subject: [PATCH 4893/6244] KVM: Handle spurious acks for PIT interrupts Spurious acks can be generated, for example if the PIC is being reset. Handle those acks gracefully rather than flooding the log with warnings. Signed-off-by: Avi Kivity --- arch/x86/kvm/i8254.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 7d04dd3ef857..c842060c6c04 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -228,7 +228,7 @@ void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian) irq_ack_notifier); spin_lock(&ps->inject_lock); if (atomic_dec_return(&ps->pit_timer.pending) < 0) - WARN_ON(1); + atomic_inc(&ps->pit_timer.pending); ps->irq_ack = 1; spin_unlock(&ps->inject_lock); } -- GitLab From 6762b7299aa115e11815decd1fd982d015f09615 Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Wed, 13 Aug 2008 16:22:37 +0300 Subject: [PATCH 4894/6244] KVM: Device assignment: Check for privileges before assigning irq Even though we don't share irqs at the moment, we should ensure regular user processes don't try to allocate system resources. We check for capability to access IO devices (CAP_SYS_RAWIO) before we request_irq on behalf of the guest. Noticed by Avi. Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4a033757a19e..fffdf4f69c5a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -191,6 +191,11 @@ static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, kvm_assigned_dev_interrupt_work_handler); if (irqchip_in_kernel(kvm)) { + if (!capable(CAP_SYS_RAWIO)) { + return -EPERM; + goto out; + } + if (assigned_irq->host_irq) match->host_irq = assigned_irq->host_irq; else -- GitLab From 648dfaa7df2d3692db4e63dcb18dccb275d9c5a7 Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sun, 17 Aug 2008 16:38:32 +0300 Subject: [PATCH 4895/6244] KVM: VMX: Add Guest State Validity Checks This patch adds functions to check whether guest state is VMX compliant. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 180 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 81db7d48ab80..e889b768c751 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1721,6 +1721,186 @@ static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) vmcs_writel(GUEST_GDTR_BASE, dt->base); } +static bool rmode_segment_valid(struct kvm_vcpu *vcpu, int seg) +{ + struct kvm_segment var; + u32 ar; + + vmx_get_segment(vcpu, &var, seg); + ar = vmx_segment_access_rights(&var); + + if (var.base != (var.selector << 4)) + return false; + if (var.limit != 0xffff) + return false; + if (ar != 0xf3) + return false; + + return true; +} + +static bool code_segment_valid(struct kvm_vcpu *vcpu) +{ + struct kvm_segment cs; + unsigned int cs_rpl; + + vmx_get_segment(vcpu, &cs, VCPU_SREG_CS); + cs_rpl = cs.selector & SELECTOR_RPL_MASK; + + if (~cs.type & (AR_TYPE_CODE_MASK|AR_TYPE_ACCESSES_MASK)) + return false; + if (!cs.s) + return false; + if (!(~cs.type & (AR_TYPE_CODE_MASK|AR_TYPE_WRITEABLE_MASK))) { + if (cs.dpl > cs_rpl) + return false; + } else if (cs.type & AR_TYPE_CODE_MASK) { + if (cs.dpl != cs_rpl) + return false; + } + if (!cs.present) + return false; + + /* TODO: Add Reserved field check, this'll require a new member in the kvm_segment_field structure */ + return true; +} + +static bool stack_segment_valid(struct kvm_vcpu *vcpu) +{ + struct kvm_segment ss; + unsigned int ss_rpl; + + vmx_get_segment(vcpu, &ss, VCPU_SREG_SS); + ss_rpl = ss.selector & SELECTOR_RPL_MASK; + + if ((ss.type != 3) || (ss.type != 7)) + return false; + if (!ss.s) + return false; + if (ss.dpl != ss_rpl) /* DPL != RPL */ + return false; + if (!ss.present) + return false; + + return true; +} + +static bool data_segment_valid(struct kvm_vcpu *vcpu, int seg) +{ + struct kvm_segment var; + unsigned int rpl; + + vmx_get_segment(vcpu, &var, seg); + rpl = var.selector & SELECTOR_RPL_MASK; + + if (!var.s) + return false; + if (!var.present) + return false; + if (~var.type & (AR_TYPE_CODE_MASK|AR_TYPE_WRITEABLE_MASK)) { + if (var.dpl < rpl) /* DPL < RPL */ + return false; + } + + /* TODO: Add other members to kvm_segment_field to allow checking for other access + * rights flags + */ + return true; +} + +static bool tr_valid(struct kvm_vcpu *vcpu) +{ + struct kvm_segment tr; + + vmx_get_segment(vcpu, &tr, VCPU_SREG_TR); + + if (tr.selector & SELECTOR_TI_MASK) /* TI = 1 */ + return false; + if ((tr.type != 3) || (tr.type != 11)) /* TODO: Check if guest is in IA32e mode */ + return false; + if (!tr.present) + return false; + + return true; +} + +static bool ldtr_valid(struct kvm_vcpu *vcpu) +{ + struct kvm_segment ldtr; + + vmx_get_segment(vcpu, &ldtr, VCPU_SREG_LDTR); + + if (ldtr.selector & SELECTOR_TI_MASK) /* TI = 1 */ + return false; + if (ldtr.type != 2) + return false; + if (!ldtr.present) + return false; + + return true; +} + +static bool cs_ss_rpl_check(struct kvm_vcpu *vcpu) +{ + struct kvm_segment cs, ss; + + vmx_get_segment(vcpu, &cs, VCPU_SREG_CS); + vmx_get_segment(vcpu, &ss, VCPU_SREG_SS); + + return ((cs.selector & SELECTOR_RPL_MASK) == + (ss.selector & SELECTOR_RPL_MASK)); +} + +/* + * Check if guest state is valid. Returns true if valid, false if + * not. + * We assume that registers are always usable + */ +static bool guest_state_valid(struct kvm_vcpu *vcpu) +{ + /* real mode guest state checks */ + if (!(vcpu->arch.cr0 & X86_CR0_PE)) { + if (!rmode_segment_valid(vcpu, VCPU_SREG_CS)) + return false; + if (!rmode_segment_valid(vcpu, VCPU_SREG_SS)) + return false; + if (!rmode_segment_valid(vcpu, VCPU_SREG_DS)) + return false; + if (!rmode_segment_valid(vcpu, VCPU_SREG_ES)) + return false; + if (!rmode_segment_valid(vcpu, VCPU_SREG_FS)) + return false; + if (!rmode_segment_valid(vcpu, VCPU_SREG_GS)) + return false; + } else { + /* protected mode guest state checks */ + if (!cs_ss_rpl_check(vcpu)) + return false; + if (!code_segment_valid(vcpu)) + return false; + if (!stack_segment_valid(vcpu)) + return false; + if (!data_segment_valid(vcpu, VCPU_SREG_DS)) + return false; + if (!data_segment_valid(vcpu, VCPU_SREG_ES)) + return false; + if (!data_segment_valid(vcpu, VCPU_SREG_FS)) + return false; + if (!data_segment_valid(vcpu, VCPU_SREG_GS)) + return false; + if (!tr_valid(vcpu)) + return false; + if (!ldtr_valid(vcpu)) + return false; + } + /* TODO: + * - Add checks on RIP + * - Add checks on RFLAGS + */ + + return true; +} + static int init_rmode_tss(struct kvm *kvm) { gfn_t fn = rmode_tss_base(kvm) >> PAGE_SHIFT; -- GitLab From 04fa4d32117b1a7773290fd59a97cf90cfc2a0d4 Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sun, 17 Aug 2008 16:39:48 +0300 Subject: [PATCH 4896/6244] KVM: VMX: Add module parameter and emulation flag. The patch adds the module parameter required to enable emulating invalid guest state, as well as the emulation_required flag used to drive emulation whenever needed. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e889b768c751..7c5f611e1a94 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -49,6 +49,9 @@ module_param(flexpriority_enabled, bool, 0); static int enable_ept = 1; module_param(enable_ept, bool, 0); +static int emulate_invalid_guest_state = 0; +module_param(emulate_invalid_guest_state, bool, 0); + struct vmcs { u32 revision_id; u32 abort; @@ -86,6 +89,7 @@ struct vcpu_vmx { } irq; } rmode; int vpid; + bool emulation_required; }; static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu) -- GitLab From ea953ef0ca84e778187905177e2a789a1974837b Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sun, 17 Aug 2008 16:47:05 +0300 Subject: [PATCH 4897/6244] KVM: VMX: Add invalid guest state handler This adds the invalid guest state handler function which invokes the x86 emulator until getting the guest to a VMX-friendly state. [avi: leave atomic context if scheduling] [guillaume: return to atomic context correctly] Signed-off-by: Laurent Vivier Signed-off-by: Guillaume Thouvenin Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 7c5f611e1a94..eae1f2c64f97 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2892,6 +2892,43 @@ static int handle_nmi_window(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } +static void handle_invalid_guest_state(struct kvm_vcpu *vcpu, + struct kvm_run *kvm_run) +{ + struct vcpu_vmx *vmx = to_vmx(vcpu); + int err; + + preempt_enable(); + local_irq_enable(); + + while (!guest_state_valid(vcpu)) { + err = emulate_instruction(vcpu, kvm_run, 0, 0, 0); + + switch (err) { + case EMULATE_DONE: + break; + case EMULATE_DO_MMIO: + kvm_report_emulation_failure(vcpu, "mmio"); + /* TODO: Handle MMIO */ + return; + default: + kvm_report_emulation_failure(vcpu, "emulation failure"); + return; + } + + if (signal_pending(current)) + break; + if (need_resched()) + schedule(); + } + + local_irq_disable(); + preempt_disable(); + + /* Guest state should be valid now, no more emulation should be needed */ + vmx->emulation_required = 0; +} + /* * The exit handlers return 1 if the exit was handled fully and guest execution * may resume. Otherwise they set the kvm_run parameter to indicate what needs -- GitLab From a89a8fb93ba63d4ad39db97c90997c409c87ccb9 Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sun, 17 Aug 2008 16:42:16 +0300 Subject: [PATCH 4898/6244] KVM: VMX: Modify mode switching and vmentry functions This patch modifies mode switching and vmentry function in order to drive invalid guest state emulation. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index eae1f2c64f97..9840f37925a2 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1298,7 +1298,9 @@ static void fix_pmode_dataseg(int seg, struct kvm_save_segment *save) static void enter_pmode(struct kvm_vcpu *vcpu) { unsigned long flags; + struct vcpu_vmx *vmx = to_vmx(vcpu); + vmx->emulation_required = 1; vcpu->arch.rmode.active = 0; vmcs_writel(GUEST_TR_BASE, vcpu->arch.rmode.tr.base); @@ -1315,6 +1317,9 @@ static void enter_pmode(struct kvm_vcpu *vcpu) update_exception_bitmap(vcpu); + if (emulate_invalid_guest_state) + return; + fix_pmode_dataseg(VCPU_SREG_ES, &vcpu->arch.rmode.es); fix_pmode_dataseg(VCPU_SREG_DS, &vcpu->arch.rmode.ds); fix_pmode_dataseg(VCPU_SREG_GS, &vcpu->arch.rmode.gs); @@ -1355,7 +1360,9 @@ static void fix_rmode_seg(int seg, struct kvm_save_segment *save) static void enter_rmode(struct kvm_vcpu *vcpu) { unsigned long flags; + struct vcpu_vmx *vmx = to_vmx(vcpu); + vmx->emulation_required = 1; vcpu->arch.rmode.active = 1; vcpu->arch.rmode.tr.base = vmcs_readl(GUEST_TR_BASE); @@ -1377,6 +1384,9 @@ static void enter_rmode(struct kvm_vcpu *vcpu) vmcs_writel(GUEST_CR4, vmcs_readl(GUEST_CR4) | X86_CR4_VME); update_exception_bitmap(vcpu); + if (emulate_invalid_guest_state) + goto continue_rmode; + vmcs_write16(GUEST_SS_SELECTOR, vmcs_readl(GUEST_SS_BASE) >> 4); vmcs_write32(GUEST_SS_LIMIT, 0xffff); vmcs_write32(GUEST_SS_AR_BYTES, 0xf3); @@ -1392,6 +1402,7 @@ static void enter_rmode(struct kvm_vcpu *vcpu) fix_rmode_seg(VCPU_SREG_GS, &vcpu->arch.rmode.gs); fix_rmode_seg(VCPU_SREG_FS, &vcpu->arch.rmode.fs); +continue_rmode: kvm_mmu_reset_context(vcpu); init_rmode(vcpu->kvm); } @@ -2317,6 +2328,9 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) ret = 0; + /* HACK: Don't enable emulation on guest boot/reset */ + vmx->emulation_required = 0; + out: up_read(&vcpu->kvm->slots_lock); return ret; @@ -3190,6 +3204,12 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) struct vcpu_vmx *vmx = to_vmx(vcpu); u32 intr_info; + /* Handle invalid guest state instead of entering VMX */ + if (vmx->emulation_required && emulate_invalid_guest_state) { + handle_invalid_guest_state(vcpu, kvm_run); + return; + } + if (test_bit(VCPU_REGS_RSP, (unsigned long *)&vcpu->arch.regs_dirty)) vmcs_writel(GUEST_RSP, vcpu->arch.regs[VCPU_REGS_RSP]); if (test_bit(VCPU_REGS_RIP, (unsigned long *)&vcpu->arch.regs_dirty)) -- GitLab From 94c935a1ee7a9c134f0ebed656384186619d05cb Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Mon, 18 Aug 2008 13:11:46 +0300 Subject: [PATCH 4899/6244] KVM: SVM: Fix typo Fix typo in as-yet unused macro definition. Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 179c2e00d0f9..be86c096385b 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -44,7 +44,7 @@ MODULE_LICENSE("GPL"); #define SVM_FEATURE_NPT (1 << 0) #define SVM_FEATURE_LBRV (1 << 1) -#define SVM_DEATURE_SVML (1 << 2) +#define SVM_FEATURE_SVML (1 << 2) #define DEBUGCTL_RESERVED_BITS (~(0x3fULL)) -- GitLab From 29c8fa32c5d1e2d26d53ad9467b3a13130014cdf Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Mon, 18 Aug 2008 15:07:05 +0300 Subject: [PATCH 4900/6244] KVM: Use kvm_set_irq to inject interrupts ... instead of using the pic and ioapic variants Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/i8254.c | 6 ++---- arch/x86/kvm/x86.c | 8 +------- 2 files changed, 3 insertions(+), 11 deletions(-) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index c842060c6c04..fdaa0f00e478 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -596,10 +596,8 @@ void kvm_free_pit(struct kvm *kvm) static void __inject_pit_timer_intr(struct kvm *kvm) { mutex_lock(&kvm->lock); - kvm_ioapic_set_irq(kvm->arch.vioapic, 0, 1); - kvm_ioapic_set_irq(kvm->arch.vioapic, 0, 0); - kvm_pic_set_irq(pic_irqchip(kvm), 0, 1); - kvm_pic_set_irq(pic_irqchip(kvm), 0, 0); + kvm_set_irq(kvm, 0, 1); + kvm_set_irq(kvm, 0, 0); mutex_unlock(&kvm->lock); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index fffdf4f69c5a..5b3c8821b191 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1956,13 +1956,7 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; if (irqchip_in_kernel(kvm)) { mutex_lock(&kvm->lock); - if (irq_event.irq < 16) - kvm_pic_set_irq(pic_irqchip(kvm), - irq_event.irq, - irq_event.level); - kvm_ioapic_set_irq(kvm->arch.vioapic, - irq_event.irq, - irq_event.level); + kvm_set_irq(kvm, irq_event.irq, irq_event.level); mutex_unlock(&kvm->lock); r = 0; } -- GitLab From ee032c993edd34e0bdf64dab06a55d0e08a4eeb9 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Mon, 11 Aug 2008 16:54:20 -0700 Subject: [PATCH 4901/6244] KVM: make irq ack notifier functions static sparse says: arch/x86/kvm/x86.c:107:32: warning: symbol 'kvm_find_assigned_dev' was not declared. Should it be static? arch/x86/kvm/i8254.c:225:6: warning: symbol 'kvm_pit_ack_irq' was not declared. Should it be static? Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Avi Kivity --- arch/x86/kvm/i8254.c | 2 +- arch/x86/kvm/x86.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index fdaa0f00e478..4cb443026ec4 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -222,7 +222,7 @@ int pit_has_pending_timer(struct kvm_vcpu *vcpu) return 0; } -void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian) +static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian) { struct kvm_kpit_state *ps = container_of(kian, struct kvm_kpit_state, irq_ack_notifier); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5b3c8821b191..22edd95712ee 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -104,7 +104,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { NULL } }; -struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, +static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, int assigned_dev_id) { struct list_head *ptr; -- GitLab From 26815a648e1ec2b338a63a2bc301dcf449b93e5a Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Tue, 19 Aug 2008 20:48:03 +0800 Subject: [PATCH 4902/6244] KVM: ia64: add a dummy irq ack notification Before enabling notify_acked_irq for ia64, leave the related APIs as nop-op first. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/irq.h | 32 ++++++++++++++++++++++++++++++++ virt/kvm/ioapic.c | 2 +- 2 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 arch/ia64/kvm/irq.h diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h new file mode 100644 index 000000000000..f2e6545debf4 --- /dev/null +++ b/arch/ia64/kvm/irq.h @@ -0,0 +1,32 @@ +/* + * irq.h: In-kernel interrupt controller related definitions + * Copyright (c) 2008, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Authors: + * Xiantao Zhang + * + */ + +#ifndef __IRQ_H +#define __IRQ_H + +struct kvm; + +static inline void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi) +{ +} + +#endif diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 515cd7ce761c..53772bb46320 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -386,7 +386,7 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, break; #ifdef CONFIG_IA64 case IOAPIC_REG_EOI: - kvm_ioapic_update_eoi(ioapic->kvm, data); + kvm_ioapic_update_eoi(ioapic->kvm, data, IOAPIC_LEVEL_TRIG); break; #endif -- GitLab From 5706be0dafd6f42852f85fbae292301dcad4ccec Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 20 Aug 2008 15:07:31 +0300 Subject: [PATCH 4903/6244] KVM: VMX: Change cs reset state to be a data segment Real mode cs is a data segment, not a code segment. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9840f37925a2..6aa305ace79f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2239,6 +2239,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) fx_init(&vmx->vcpu); + seg_setup(VCPU_SREG_CS); /* * GUEST_CS_BASE should really be 0xffff0000, but VT vm86 mode * insists on having GUEST_CS_BASE == GUEST_CS_SELECTOR << 4. Sigh. @@ -2250,8 +2251,6 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmcs_write16(GUEST_CS_SELECTOR, vmx->vcpu.arch.sipi_vector << 8); vmcs_writel(GUEST_CS_BASE, vmx->vcpu.arch.sipi_vector << 12); } - vmcs_write32(GUEST_CS_LIMIT, 0xffff); - vmcs_write32(GUEST_CS_AR_BYTES, 0x9b); seg_setup(VCPU_SREG_DS); seg_setup(VCPU_SREG_ES); -- GitLab From a16b20da879430fdf245ed45461ed40ffef8db3c Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 20 Aug 2008 15:48:27 +0300 Subject: [PATCH 4904/6244] KVM: VMX: Change segment dpl at reset to 3 This is more emulation friendly, if not 100% correct. Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6aa305ace79f..71e57ae1cab7 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1991,7 +1991,7 @@ static void seg_setup(int seg) vmcs_write16(sf->selector, 0); vmcs_writel(sf->base, 0); vmcs_write32(sf->limit, 0xffff); - vmcs_write32(sf->ar_bytes, 0x93); + vmcs_write32(sf->ar_bytes, 0xf3); } static int alloc_apic_access_page(struct kvm *kvm) -- GitLab From f4bbd9aaaae23007e4d79536d35a30cbbb11d407 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 20 Aug 2008 15:51:42 +0300 Subject: [PATCH 4905/6244] KVM: Load real mode segments correctly Real mode segments to not reference the GDT or LDT; they simply compute base = selector * 16. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 22edd95712ee..bfc7c332c5d7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3588,11 +3588,33 @@ static int load_segment_descriptor_to_kvm_desct(struct kvm_vcpu *vcpu, return 0; } +int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int seg) +{ + struct kvm_segment segvar = { + .base = selector << 4, + .limit = 0xffff, + .selector = selector, + .type = 3, + .present = 1, + .dpl = 3, + .db = 0, + .s = 1, + .l = 0, + .g = 0, + .avl = 0, + .unusable = 0, + }; + kvm_x86_ops->set_segment(vcpu, &segvar, seg); + return 0; +} + int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int type_bits, int seg) { struct kvm_segment kvm_seg; + if (!(vcpu->arch.cr0 & X86_CR0_PE)) + return kvm_load_realmode_segment(vcpu, selector, seg); if (load_segment_descriptor_to_kvm_desct(vcpu, selector, &kvm_seg)) return 1; kvm_seg.type |= type_bits; -- GitLab From 41afa025878bc31c9c4e18415fba2435fe035376 Mon Sep 17 00:00:00 2001 From: roel kluin Date: Mon, 18 Aug 2008 21:25:01 -0400 Subject: [PATCH 4906/6244] KVM: x86 emulator: remove duplicate SrcImm Signed-off-by: Roel Kluin Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index d5da7f14d536..5d6c1444b611 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -269,7 +269,7 @@ static u16 group_table[] = { ByteOp | DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM, 0, 0, 0, 0, [Group3*8] = - DstMem | SrcImm | ModRM | SrcImm, 0, + DstMem | SrcImm | ModRM, 0, DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM, 0, 0, 0, 0, [Group4*8] = -- GitLab From 6eb06cb2863a2ff5704b501f1699216180e790b5 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 21 Aug 2008 17:41:39 +0300 Subject: [PATCH 4907/6244] KVM: x86 emulator: remove bad ByteOp specifier from NEG descriptor Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 5d6c1444b611..ae30435ad331 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -270,7 +270,7 @@ static u16 group_table[] = { 0, 0, 0, 0, [Group3*8] = DstMem | SrcImm | ModRM, 0, - DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM, + DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, 0, 0, 0, 0, [Group4*8] = ByteOp | DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM, -- GitLab From 135f8c2b078533cc74e75f696e73d47304a61125 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 21 Aug 2008 17:49:56 +0300 Subject: [PATCH 4908/6244] KVM: MMU: Move SHADOW_PT_INDEX to mmu.c It is not specific to the paging mode, so can be made global (and reusable). Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 2 ++ arch/x86/kvm/paging_tmpl.h | 3 --- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 171bcea1be21..51d4cd7ae4f9 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -135,6 +135,8 @@ module_param(dbg, bool, 0644); #define ACC_USER_MASK PT_USER_MASK #define ACC_ALL (ACC_EXEC_MASK | ACC_WRITE_MASK | ACC_USER_MASK) +#define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level) + struct kvm_rmap_desc { u64 *shadow_ptes[RMAP_EXT]; struct kvm_rmap_desc *more; diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 4a814bff21f2..ebb26a09d311 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -29,7 +29,6 @@ #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK #define PT_DIR_BASE_ADDR_MASK PT64_DIR_BASE_ADDR_MASK #define PT_INDEX(addr, level) PT64_INDEX(addr, level) - #define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level) #define PT_LEVEL_MASK(level) PT64_LEVEL_MASK(level) #define PT_LEVEL_BITS PT64_LEVEL_BITS #ifdef CONFIG_X86_64 @@ -46,7 +45,6 @@ #define PT_BASE_ADDR_MASK PT32_BASE_ADDR_MASK #define PT_DIR_BASE_ADDR_MASK PT32_DIR_BASE_ADDR_MASK #define PT_INDEX(addr, level) PT32_INDEX(addr, level) - #define SHADOW_PT_INDEX(addr, level) PT64_INDEX(addr, level) #define PT_LEVEL_MASK(level) PT32_LEVEL_MASK(level) #define PT_LEVEL_BITS PT32_LEVEL_BITS #define PT_MAX_FULL_LEVELS 2 @@ -504,7 +502,6 @@ static void FNAME(prefetch_page)(struct kvm_vcpu *vcpu, #undef FNAME #undef PT_BASE_ADDR_MASK #undef PT_INDEX -#undef SHADOW_PT_INDEX #undef PT_LEVEL_MASK #undef PT_DIR_BASE_ADDR_MASK #undef PT_LEVEL_BITS -- GitLab From 6e37d3dc3e358dbf907f8b96a51282966934124b Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 22 Aug 2008 19:14:17 +0300 Subject: [PATCH 4909/6244] KVM: MMU: Unify direct map 4K and large page paths The two paths are equivalent except for one argument, which is already available. Merge the two codepaths. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 51d4cd7ae4f9..3ee856f6812d 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1240,15 +1240,10 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, ASSERT(VALID_PAGE(table_addr)); table = __va(table_addr); - if (level == 1) { + if (level == 1 || (largepage && level == 2)) { mmu_set_spte(vcpu, &table[index], ACC_ALL, ACC_ALL, - 0, write, 1, &pt_write, 0, gfn, pfn, false); - return pt_write; - } - - if (largepage && level == 2) { - mmu_set_spte(vcpu, &table[index], ACC_ALL, ACC_ALL, - 0, write, 1, &pt_write, 1, gfn, pfn, false); + 0, write, 1, &pt_write, largepage, + gfn, pfn, false); return pt_write; } -- GitLab From 0be9e929e398d6da6406183a8732dbfd0937fafe Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Tue, 26 Aug 2008 08:58:53 +0800 Subject: [PATCH 4910/6244] KVM: ia64: Enable virtio driver for ia64 in Kconfig kvm/ia64 uses the virtio drivers to optimize its I/O subsytem. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig index 7914e4828504..8e99fed6b3fd 100644 --- a/arch/ia64/kvm/Kconfig +++ b/arch/ia64/kvm/Kconfig @@ -46,4 +46,6 @@ config KVM_INTEL config KVM_TRACE bool +source drivers/virtio/Kconfig + endif # VIRTUALIZATION -- GitLab From 6c41f428b72afe5a581b967590c12538db31d399 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 26 Aug 2008 16:16:08 +0300 Subject: [PATCH 4911/6244] KVM: MMU: Infer shadow root level in direct_map() In all cases the shadow root level is available in mmu.shadow_root_level, so there is no need to pass it as a parameter. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3ee856f6812d..72f739aa8623 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1227,11 +1227,11 @@ static void nonpaging_new_cr3(struct kvm_vcpu *vcpu) } static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, - int largepage, gfn_t gfn, pfn_t pfn, - int level) + int largepage, gfn_t gfn, pfn_t pfn) { hpa_t table_addr = vcpu->arch.mmu.root_hpa; int pt_write = 0; + int level = vcpu->arch.mmu.shadow_root_level; for (; ; level--) { u32 index = PT64_INDEX(v, level); @@ -1299,8 +1299,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn) if (mmu_notifier_retry(vcpu, mmu_seq)) goto out_unlock; kvm_mmu_free_some_pages(vcpu); - r = __direct_map(vcpu, v, write, largepage, gfn, pfn, - PT32E_ROOT_LEVEL); + r = __direct_map(vcpu, v, write, largepage, gfn, pfn); spin_unlock(&vcpu->kvm->mmu_lock); @@ -1455,7 +1454,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, goto out_unlock; kvm_mmu_free_some_pages(vcpu); r = __direct_map(vcpu, gpa, error_code & PFERR_WRITE_MASK, - largepage, gfn, pfn, kvm_x86_ops->get_tdp_level()); + largepage, gfn, pfn); spin_unlock(&vcpu->kvm->mmu_lock); return r; -- GitLab From 3d000db5688c8beff6319fb9ff4b98dcac32f798 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 22 Aug 2008 19:24:38 +0300 Subject: [PATCH 4912/6244] KVM: MMU: Add generic shadow walker We currently walk the shadow page tables in two places: direct map (for real mode and two dimensional paging) and paging mode shadow. Since we anticipate requiring a third walk (for invlpg), it makes sense to have a generic facility for shadow walk. This patch adds such a shadow walker, walks the page tables and calls a method for every spte encountered. The method can examine the spte, modify it, or even instantiate it. The walk can be aborted by returning nonzero from the method. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 72f739aa8623..8b95cf748b53 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -142,6 +142,11 @@ struct kvm_rmap_desc { struct kvm_rmap_desc *more; }; +struct kvm_shadow_walk { + int (*entry)(struct kvm_shadow_walk *walk, struct kvm_vcpu *vcpu, + gva_t addr, u64 *spte, int level); +}; + static struct kmem_cache *pte_chain_cache; static struct kmem_cache *rmap_desc_cache; static struct kmem_cache *mmu_page_header_cache; @@ -935,6 +940,35 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, return sp; } +static int walk_shadow(struct kvm_shadow_walk *walker, + struct kvm_vcpu *vcpu, gva_t addr) +{ + hpa_t shadow_addr; + int level; + int r; + u64 *sptep; + unsigned index; + + shadow_addr = vcpu->arch.mmu.root_hpa; + level = vcpu->arch.mmu.shadow_root_level; + if (level == PT32E_ROOT_LEVEL) { + shadow_addr = vcpu->arch.mmu.pae_root[(addr >> 30) & 3]; + shadow_addr &= PT64_BASE_ADDR_MASK; + --level; + } + + while (level >= PT_PAGE_TABLE_LEVEL) { + index = SHADOW_PT_INDEX(addr, level); + sptep = ((u64 *)__va(shadow_addr)) + index; + r = walker->entry(walker, vcpu, addr, sptep, level); + if (r) + return r; + shadow_addr = *sptep & PT64_BASE_ADDR_MASK; + --level; + } + return 0; +} + static void kvm_mmu_page_unlink_children(struct kvm *kvm, struct kvm_mmu_page *sp) { -- GitLab From 140754bc80e1cdbf2d14cdb10d900da1f7718e7b Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 22 Aug 2008 19:28:04 +0300 Subject: [PATCH 4913/6244] KVM: MMU: Convert direct maps to use the generic shadow walker Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 93 +++++++++++++++++++++++++++------------------- 1 file changed, 55 insertions(+), 38 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 8b95cf748b53..a1ca4ff9c116 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1260,49 +1260,66 @@ static void nonpaging_new_cr3(struct kvm_vcpu *vcpu) { } -static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, - int largepage, gfn_t gfn, pfn_t pfn) -{ - hpa_t table_addr = vcpu->arch.mmu.root_hpa; - int pt_write = 0; - int level = vcpu->arch.mmu.shadow_root_level; - - for (; ; level--) { - u32 index = PT64_INDEX(v, level); - u64 *table; +struct direct_shadow_walk { + struct kvm_shadow_walk walker; + pfn_t pfn; + int write; + int largepage; + int pt_write; +}; - ASSERT(VALID_PAGE(table_addr)); - table = __va(table_addr); +static int direct_map_entry(struct kvm_shadow_walk *_walk, + struct kvm_vcpu *vcpu, + gva_t addr, u64 *sptep, int level) +{ + struct direct_shadow_walk *walk = + container_of(_walk, struct direct_shadow_walk, walker); + struct kvm_mmu_page *sp; + gfn_t pseudo_gfn; + gfn_t gfn = addr >> PAGE_SHIFT; + + if (level == PT_PAGE_TABLE_LEVEL + || (walk->largepage && level == PT_DIRECTORY_LEVEL)) { + mmu_set_spte(vcpu, sptep, ACC_ALL, ACC_ALL, + 0, walk->write, 1, &walk->pt_write, + walk->largepage, gfn, walk->pfn, false); + return 1; + } - if (level == 1 || (largepage && level == 2)) { - mmu_set_spte(vcpu, &table[index], ACC_ALL, ACC_ALL, - 0, write, 1, &pt_write, largepage, - gfn, pfn, false); - return pt_write; + if (*sptep == shadow_trap_nonpresent_pte) { + pseudo_gfn = (addr & PT64_DIR_BASE_ADDR_MASK) >> PAGE_SHIFT; + sp = kvm_mmu_get_page(vcpu, pseudo_gfn, addr, level - 1, + 1, ACC_ALL, sptep); + if (!sp) { + pgprintk("nonpaging_map: ENOMEM\n"); + kvm_release_pfn_clean(walk->pfn); + return -ENOMEM; } - if (table[index] == shadow_trap_nonpresent_pte) { - struct kvm_mmu_page *new_table; - gfn_t pseudo_gfn; - - pseudo_gfn = (v & PT64_DIR_BASE_ADDR_MASK) - >> PAGE_SHIFT; - new_table = kvm_mmu_get_page(vcpu, pseudo_gfn, - v, level - 1, - 1, ACC_ALL, &table[index]); - if (!new_table) { - pgprintk("nonpaging_map: ENOMEM\n"); - kvm_release_pfn_clean(pfn); - return -ENOMEM; - } - - set_shadow_pte(&table[index], - __pa(new_table->spt) - | PT_PRESENT_MASK | PT_WRITABLE_MASK - | shadow_user_mask | shadow_x_mask); - } - table_addr = table[index] & PT64_BASE_ADDR_MASK; + set_shadow_pte(sptep, + __pa(sp->spt) + | PT_PRESENT_MASK | PT_WRITABLE_MASK + | shadow_user_mask | shadow_x_mask); } + return 0; +} + +static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, + int largepage, gfn_t gfn, pfn_t pfn) +{ + int r; + struct direct_shadow_walk walker = { + .walker = { .entry = direct_map_entry, }, + .pfn = pfn, + .largepage = largepage, + .write = write, + .pt_write = 0, + }; + + r = walk_shadow(&walker.walker, vcpu, (gva_t)gfn << PAGE_SHIFT); + if (r < 0) + return r; + return walker.pt_write; } static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn) -- GitLab From abb9e0b8e33e58ac8e04e03b680c46435bc312fd Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 22 Aug 2008 19:11:39 +0300 Subject: [PATCH 4914/6244] KVM: MMU: Convert the paging mode shadow walk to use the generic walker Signed-off-by: Avi Kivity --- arch/x86/kvm/paging_tmpl.h | 158 ++++++++++++++++++++----------------- 1 file changed, 86 insertions(+), 72 deletions(-) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index ebb26a09d311..b7064e1e1e17 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -25,6 +25,7 @@ #if PTTYPE == 64 #define pt_element_t u64 #define guest_walker guest_walker64 + #define shadow_walker shadow_walker64 #define FNAME(name) paging##64_##name #define PT_BASE_ADDR_MASK PT64_BASE_ADDR_MASK #define PT_DIR_BASE_ADDR_MASK PT64_DIR_BASE_ADDR_MASK @@ -41,6 +42,7 @@ #elif PTTYPE == 32 #define pt_element_t u32 #define guest_walker guest_walker32 + #define shadow_walker shadow_walker32 #define FNAME(name) paging##32_##name #define PT_BASE_ADDR_MASK PT32_BASE_ADDR_MASK #define PT_DIR_BASE_ADDR_MASK PT32_DIR_BASE_ADDR_MASK @@ -71,6 +73,17 @@ struct guest_walker { u32 error_code; }; +struct shadow_walker { + struct kvm_shadow_walk walker; + struct guest_walker *guest_walker; + int user_fault; + int write_fault; + int largepage; + int *ptwrite; + pfn_t pfn; + u64 *sptep; +}; + static gfn_t gpte_to_gfn(pt_element_t gpte) { return (gpte & PT_BASE_ADDR_MASK) >> PAGE_SHIFT; @@ -272,86 +285,86 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, /* * Fetch a shadow pte for a specific level in the paging hierarchy. */ -static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, - struct guest_walker *walker, - int user_fault, int write_fault, int largepage, - int *ptwrite, pfn_t pfn) +static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, + struct kvm_vcpu *vcpu, gva_t addr, + u64 *sptep, int level) { - hpa_t shadow_addr; - int level; - u64 *shadow_ent; - unsigned access = walker->pt_access; - - if (!is_present_pte(walker->ptes[walker->level - 1])) - return NULL; - - shadow_addr = vcpu->arch.mmu.root_hpa; - level = vcpu->arch.mmu.shadow_root_level; - if (level == PT32E_ROOT_LEVEL) { - shadow_addr = vcpu->arch.mmu.pae_root[(addr >> 30) & 3]; - shadow_addr &= PT64_BASE_ADDR_MASK; - --level; + struct shadow_walker *sw = + container_of(_sw, struct shadow_walker, walker); + struct guest_walker *gw = sw->guest_walker; + unsigned access = gw->pt_access; + struct kvm_mmu_page *shadow_page; + u64 spte; + int metaphysical; + gfn_t table_gfn; + int r; + pt_element_t curr_pte; + + if (level == PT_PAGE_TABLE_LEVEL + || (sw->largepage && level == PT_DIRECTORY_LEVEL)) { + mmu_set_spte(vcpu, sptep, access, gw->pte_access & access, + sw->user_fault, sw->write_fault, + gw->ptes[gw->level-1] & PT_DIRTY_MASK, + sw->ptwrite, sw->largepage, gw->gfn, sw->pfn, + false); + sw->sptep = sptep; + return 1; } - for (; ; level--) { - u32 index = SHADOW_PT_INDEX(addr, level); - struct kvm_mmu_page *shadow_page; - u64 shadow_pte; - int metaphysical; - gfn_t table_gfn; - - shadow_ent = ((u64 *)__va(shadow_addr)) + index; - if (level == PT_PAGE_TABLE_LEVEL) - break; - - if (largepage && level == PT_DIRECTORY_LEVEL) - break; - - if (is_shadow_present_pte(*shadow_ent) - && !is_large_pte(*shadow_ent)) { - shadow_addr = *shadow_ent & PT64_BASE_ADDR_MASK; - continue; - } + if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep)) + return 0; - if (is_large_pte(*shadow_ent)) - rmap_remove(vcpu->kvm, shadow_ent); - - if (level - 1 == PT_PAGE_TABLE_LEVEL - && walker->level == PT_DIRECTORY_LEVEL) { - metaphysical = 1; - if (!is_dirty_pte(walker->ptes[level - 1])) - access &= ~ACC_WRITE_MASK; - table_gfn = gpte_to_gfn(walker->ptes[level - 1]); - } else { - metaphysical = 0; - table_gfn = walker->table_gfn[level - 2]; - } - shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1, - metaphysical, access, - shadow_ent); - if (!metaphysical) { - int r; - pt_element_t curr_pte; - r = kvm_read_guest_atomic(vcpu->kvm, - walker->pte_gpa[level - 2], - &curr_pte, sizeof(curr_pte)); - if (r || curr_pte != walker->ptes[level - 2]) { - kvm_release_pfn_clean(pfn); - return NULL; - } + if (is_large_pte(*sptep)) + rmap_remove(vcpu->kvm, sptep); + + if (level == PT_DIRECTORY_LEVEL && gw->level == PT_DIRECTORY_LEVEL) { + metaphysical = 1; + if (!is_dirty_pte(gw->ptes[level - 1])) + access &= ~ACC_WRITE_MASK; + table_gfn = gpte_to_gfn(gw->ptes[level - 1]); + } else { + metaphysical = 0; + table_gfn = gw->table_gfn[level - 2]; + } + shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1, + metaphysical, access, sptep); + if (!metaphysical) { + r = kvm_read_guest_atomic(vcpu->kvm, gw->pte_gpa[level - 2], + &curr_pte, sizeof(curr_pte)); + if (r || curr_pte != gw->ptes[level - 2]) { + kvm_release_pfn_clean(sw->pfn); + sw->sptep = NULL; + return 1; } - shadow_addr = __pa(shadow_page->spt); - shadow_pte = shadow_addr | PT_PRESENT_MASK | PT_ACCESSED_MASK - | PT_WRITABLE_MASK | PT_USER_MASK; - set_shadow_pte(shadow_ent, shadow_pte); } - mmu_set_spte(vcpu, shadow_ent, access, walker->pte_access & access, - user_fault, write_fault, - walker->ptes[walker->level-1] & PT_DIRTY_MASK, - ptwrite, largepage, walker->gfn, pfn, false); + spte = __pa(shadow_page->spt) | PT_PRESENT_MASK | PT_ACCESSED_MASK + | PT_WRITABLE_MASK | PT_USER_MASK; + *sptep = spte; + return 0; +} + +static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, + struct guest_walker *guest_walker, + int user_fault, int write_fault, int largepage, + int *ptwrite, pfn_t pfn) +{ + struct shadow_walker walker = { + .walker = { .entry = FNAME(shadow_walk_entry), }, + .guest_walker = guest_walker, + .user_fault = user_fault, + .write_fault = write_fault, + .largepage = largepage, + .ptwrite = ptwrite, + .pfn = pfn, + }; + + if (!is_present_pte(guest_walker->ptes[guest_walker->level - 1])) + return NULL; + + walk_shadow(&walker.walker, vcpu, addr); - return shadow_ent; + return walker.sptep; } /* @@ -499,6 +512,7 @@ static void FNAME(prefetch_page)(struct kvm_vcpu *vcpu, #undef pt_element_t #undef guest_walker +#undef shadow_walker #undef FNAME #undef PT_BASE_ADDR_MASK #undef PT_INDEX -- GitLab From acee3c04e8208c17aad1baff99baa68d71640a19 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 26 Aug 2008 17:22:47 +0300 Subject: [PATCH 4915/6244] KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED There is no reason to share internal memory slots with fork()ed instances. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bfc7c332c5d7..675d010995a2 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4296,7 +4296,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, userspace_addr = do_mmap(NULL, 0, npages * PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, + MAP_PRIVATE | MAP_ANONYMOUS, 0); up_write(¤t->mm->mmap_sem); -- GitLab From d657c7335b97d746aa6123c56504b46c20e37df3 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 26 Aug 2008 17:31:31 +0300 Subject: [PATCH 4916/6244] KVM: Don't call get_user_pages(.force = 1) This is esoteric and only needed to break COW on MAP_SHARED mappings. Since KVM no longer does these sorts of mappings, breaking COW on them is no longer necessary. Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 0309571fcb20..de3b029f6adf 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -734,7 +734,7 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) return page_to_pfn(bad_page); } - npages = get_user_pages(current, current->mm, addr, 1, 1, 1, page, + npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page, NULL); if (unlikely(npages != 1)) { -- GitLab From a5e2e82b8b62acd24a44b851e6bb4fd0793ead01 Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Wed, 27 Aug 2008 05:02:56 +0300 Subject: [PATCH 4917/6244] KVM: x86 emulator: Add mov r, imm instructions (opcodes 0xb0-0xbf) The emulator only supported one instance of mov r, imm instruction (opcode 0xb8), this adds the rest of these instructions. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index ae30435ad331..66e0bd6c628b 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -154,9 +154,16 @@ static u16 opcode_table[256] = { 0, 0, ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String, ByteOp | ImplicitOps | Mov | String, ImplicitOps | Mov | String, ByteOp | ImplicitOps | String, ImplicitOps | String, - /* 0xB0 - 0xBF */ - 0, 0, 0, 0, 0, 0, 0, 0, - DstReg | SrcImm | Mov, 0, 0, 0, 0, 0, 0, 0, + /* 0xB0 - 0xB7 */ + ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov, + ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov, + ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov, + ByteOp | DstReg | SrcImm | Mov, ByteOp | DstReg | SrcImm | Mov, + /* 0xB8 - 0xBF */ + DstReg | SrcImm | Mov, DstReg | SrcImm | Mov, + DstReg | SrcImm | Mov, DstReg | SrcImm | Mov, + DstReg | SrcImm | Mov, DstReg | SrcImm | Mov, + DstReg | SrcImm | Mov, DstReg | SrcImm | Mov, /* 0xC0 - 0xC7 */ ByteOp | DstMem | SrcImm | ModRM, DstMem | SrcImmByte | ModRM, 0, ImplicitOps | Stack, 0, 0, @@ -1660,7 +1667,7 @@ special_insn: case 0xae ... 0xaf: /* scas */ DPRINTF("Urk! I don't handle SCAS.\n"); goto cannot_emulate; - case 0xb8: /* mov r, imm */ + case 0xb0 ... 0xbf: /* mov r, imm */ goto mov; case 0xc0 ... 0xc1: emulate_grp2(ctxt); -- GitLab From bc2d429979451d69d0985c5dbdf908cace2831cc Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 27 Aug 2008 16:30:56 +0300 Subject: [PATCH 4918/6244] KVM: MMU: Account for npt/ept/realmode page faults Now that two-dimensional paging is becoming common, account for tdp page faults. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index a1ca4ff9c116..a24da8f2ee91 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1283,6 +1283,7 @@ static int direct_map_entry(struct kvm_shadow_walk *_walk, mmu_set_spte(vcpu, sptep, ACC_ALL, ACC_ALL, 0, walk->write, 1, &walk->pt_write, walk->largepage, gfn, walk->pfn, false); + ++vcpu->stat.pf_fixed; return 1; } -- GitLab From 2245a28fe2e6fdb1bdabc4dcde1ea3a5c37e2a9e Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 27 Aug 2008 16:32:24 +0300 Subject: [PATCH 4919/6244] KVM: MMU: Add locking around kvm_mmu_slot_remove_write_access() It was generally safe due to slots_lock being held for write, but it wasn't very nice. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index a24da8f2ee91..5052acdc0a77 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2097,6 +2097,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot) { struct kvm_mmu_page *sp; + spin_lock(&kvm->mmu_lock); list_for_each_entry(sp, &kvm->arch.active_mmu_pages, link) { int i; u64 *pt; @@ -2110,6 +2111,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot) if (pt[i] & PT_WRITABLE_MASK) pt[i] &= ~PT_WRITABLE_MASK; } + spin_unlock(&kvm->mmu_lock); } void kvm_mmu_zap_all(struct kvm *kvm) -- GitLab From 171d595d3b3254b9a952af8d1f6965d2e85dcbaa Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 27 Aug 2008 16:40:51 +0300 Subject: [PATCH 4920/6244] KVM: MMU: Flush tlbs after clearing write permission when accessing dirty log Otherwise, the cpu may allow writes to the tracked pages, and we lose some display bits or fail to migrate correctly. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5052acdc0a77..853a2889b202 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2111,6 +2111,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot) if (pt[i] & PT_WRITABLE_MASK) pt[i] &= ~PT_WRITABLE_MASK; } + kvm_flush_remote_tlbs(kvm); spin_unlock(&kvm->mmu_lock); } -- GitLab From 3201b5d9f0f7ef392886cd76dcd2c69186d9d5cd Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 27 Aug 2008 20:01:04 +0300 Subject: [PATCH 4921/6244] KVM: MMU: Fix setting the accessed bit on non-speculative sptes The accessed bit was accidentally turned on in a random flag word, rather than, the spte itself, which was lucky, since it used the non-EPT compatible PT_ACCESSED_MASK. Fix by turning the bit on in the spte and changing it to use the portable accessed mask. Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 853a2889b202..866d7133cad8 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1192,7 +1192,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, */ spte = shadow_base_present_pte | shadow_dirty_mask; if (!speculative) - pte_access |= PT_ACCESSED_MASK; + spte |= shadow_accessed_mask; if (!dirty) pte_access &= ~ACC_WRITE_MASK; if (pte_access & ACC_EXEC_MASK) -- GitLab From 48d150394999c542b2e828f03da226842950d46a Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 28 Aug 2008 18:27:15 +0300 Subject: [PATCH 4922/6244] KVM: SVM: No need to unprotect memory during event injection when using npt No memory is protected anyway. Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index be86c096385b..60228888d1b5 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1021,7 +1021,7 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) if (npt_enabled) svm_flush_tlb(&svm->vcpu); - if (event_injection) + if (!npt_enabled && event_injection) kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address); return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code); } -- GitLab From a89c1ad270ca7ad0eec2667bc754362ce7b142be Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 29 Aug 2008 11:52:07 +0200 Subject: [PATCH 4923/6244] KVM: add MC5_MISC msr read support Currently KVM implements MC0-MC4_MISC read support. When booting Linux this results in KVM warnings in the kernel log when the guest tries to read MC5_MISC. Fix this warnings with this patch. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 675d010995a2..e3b89662cf6d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -991,6 +991,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_IA32_MC0_MISC+8: case MSR_IA32_MC0_MISC+12: case MSR_IA32_MC0_MISC+16: + case MSR_IA32_MC0_MISC+20: case MSR_IA32_UCODE_REV: case MSR_IA32_EBL_CR_POWERON: case MSR_IA32_DEBUGCTLMSR: -- GitLab From a0046b6db1c514149585e11895cd8434e0eafa79 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Fri, 29 Aug 2008 13:29:45 +0200 Subject: [PATCH 4924/6244] KVM: s390: Make facility bits future-proof Heiko Carstens pointed out, that its safer to activate working facilities instead of disabling problematic facilities. The new code uses the host facility bits and masks it with known good ones. Signed-off-by: Christian Borntraeger Signed-off-by: Avi Kivity --- arch/s390/kvm/priv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index d1faf5c54405..cce40ff2913b 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -157,8 +157,8 @@ static int handle_stfl(struct kvm_vcpu *vcpu) int rc; vcpu->stat.instruction_stfl++; - facility_list &= ~(1UL<<24); /* no stfle */ - facility_list &= ~(1UL<<23); /* no large pages */ + /* only pass the facility bits, which we can handle */ + facility_list &= 0xfe00fff3; rc = copy_to_guest(vcpu, offsetof(struct _lowcore, stfl_fac_list), &facility_list, sizeof(facility_list)); -- GitLab From 20766c083e6ab3c33125f07c7ffe39914c106d98 Mon Sep 17 00:00:00 2001 From: Christian Borntraeger Date: Fri, 29 Aug 2008 13:30:56 +0200 Subject: [PATCH 4925/6244] KVM: s390: change help text of guest Kconfig The current help text for CONFIG_S390_GUEST is not very helpful. Lets add more text. Signed-off-by: Christian Borntraeger Signed-off-by: Avi Kivity --- arch/s390/Kconfig | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 4c03049e7db9..bc581d8a7cd9 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -565,13 +565,16 @@ config ZFCPDUMP Refer to for more details on this. config S390_GUEST -bool "s390 guest support (EXPERIMENTAL)" +bool "s390 guest support for KVM (EXPERIMENTAL)" depends on 64BIT && EXPERIMENTAL select VIRTIO select VIRTIO_RING select VIRTIO_CONSOLE help - Select this option if you want to run the kernel under s390 linux + Select this option if you want to run the kernel as a guest under + the KVM hypervisor. This will add detection for KVM as well as a + virtio transport. If KVM is detected, the virtio console will be + the default console. endmenu source "net/Kconfig" -- GitLab From fb4616f43148c5b3f3e453a47657572d1bda39ee Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Mon, 1 Sep 2008 04:52:24 +0300 Subject: [PATCH 4926/6244] KVM: x86 emulator: Add std and cld instructions (opcodes 0xfc-0xfd) This adds the std and cld instructions to the emulator. Encountered while running the BIOS with invalid guest state emulation enabled. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 66e0bd6c628b..944f1f4d4be4 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -187,7 +187,7 @@ static u16 opcode_table[256] = { ImplicitOps, ImplicitOps, Group | Group3_Byte, Group | Group3, /* 0xF8 - 0xFF */ ImplicitOps, 0, ImplicitOps, ImplicitOps, - 0, 0, Group | Group4, Group | Group5, + ImplicitOps, ImplicitOps, Group | Group4, Group | Group5, }; static u16 twobyte_table[256] = { @@ -1762,6 +1762,14 @@ special_insn: ctxt->eflags |= X86_EFLAGS_IF; c->dst.type = OP_NONE; /* Disable writeback. */ break; + case 0xfc: /* cld */ + ctxt->eflags &= ~EFLG_DF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; + case 0xfd: /* std */ + ctxt->eflags |= EFLG_DF; + c->dst.type = OP_NONE; /* Disable writeback. */ + break; case 0xfe ... 0xff: /* Grp4/Grp5 */ rc = emulate_grp45(ctxt, ops); if (rc != 0) -- GitLab From 8c4b537da7eceab1246695df21beea10f180d460 Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Thu, 28 Aug 2008 09:34:08 +0800 Subject: [PATCH 4927/6244] KVM: ia64: Implement kvm_arch_vcpu_ioctl_{set,get}_mpstate Two ioctl arch functions are added to set vcpu's smp state. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/kvm-ia64.c | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index cd0d1a7284b7..7ad759e34295 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -179,6 +179,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_IRQCHIP: case KVM_CAP_USER_MEMORY: + case KVM_CAP_MP_STATE: r = 1; break; @@ -1789,11 +1790,43 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + vcpu_load(vcpu); + mp_state->mp_state = vcpu->arch.mp_state; + vcpu_put(vcpu); + return 0; +} + +static int vcpu_reset(struct kvm_vcpu *vcpu) +{ + int r; + long psr; + local_irq_save(psr); + r = kvm_insert_vmm_mapping(vcpu); + if (r) + goto fail; + + vcpu->arch.launched = 0; + kvm_arch_vcpu_uninit(vcpu); + r = kvm_arch_vcpu_init(vcpu); + if (r) + goto fail; + + kvm_purge_vmm_mapping(vcpu); + r = 0; +fail: + local_irq_restore(psr); + return r; } int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { - return -EINVAL; + int r = 0; + + vcpu_load(vcpu); + vcpu->arch.mp_state = mp_state->mp_state; + if (vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED) + r = vcpu_reset(vcpu); + vcpu_put(vcpu); + return r; } -- GitLab From d40a1ee4859c673677c9811ae84475c4051baca5 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Mon, 1 Sep 2008 19:41:20 +0800 Subject: [PATCH 4928/6244] KVM: MMU: Modify kvm_shadow_walk.entry to accept u64 addr EPT is 4 level by default in 32pae(48 bits), but the addr parameter of kvm_shadow_walk->entry() only accept unsigned long as virtual address, which is 32bit in 32pae. This result in SHADOW_PT_INDEX() overflow when try to fetch level 4 index. Fix it by extend kvm_shadow_walk->entry() to accept 64bit addr in parameter. Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 10 +++++----- arch/x86/kvm/paging_tmpl.h | 4 ++-- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 866d7133cad8..bce3e25ec79b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -144,7 +144,7 @@ struct kvm_rmap_desc { struct kvm_shadow_walk { int (*entry)(struct kvm_shadow_walk *walk, struct kvm_vcpu *vcpu, - gva_t addr, u64 *spte, int level); + u64 addr, u64 *spte, int level); }; static struct kmem_cache *pte_chain_cache; @@ -941,7 +941,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, } static int walk_shadow(struct kvm_shadow_walk *walker, - struct kvm_vcpu *vcpu, gva_t addr) + struct kvm_vcpu *vcpu, u64 addr) { hpa_t shadow_addr; int level; @@ -1270,7 +1270,7 @@ struct direct_shadow_walk { static int direct_map_entry(struct kvm_shadow_walk *_walk, struct kvm_vcpu *vcpu, - gva_t addr, u64 *sptep, int level) + u64 addr, u64 *sptep, int level) { struct direct_shadow_walk *walk = container_of(_walk, struct direct_shadow_walk, walker); @@ -1289,7 +1289,7 @@ static int direct_map_entry(struct kvm_shadow_walk *_walk, if (*sptep == shadow_trap_nonpresent_pte) { pseudo_gfn = (addr & PT64_DIR_BASE_ADDR_MASK) >> PAGE_SHIFT; - sp = kvm_mmu_get_page(vcpu, pseudo_gfn, addr, level - 1, + sp = kvm_mmu_get_page(vcpu, pseudo_gfn, (gva_t)addr, level - 1, 1, ACC_ALL, sptep); if (!sp) { pgprintk("nonpaging_map: ENOMEM\n"); @@ -1317,7 +1317,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, .pt_write = 0, }; - r = walk_shadow(&walker.walker, vcpu, (gva_t)gfn << PAGE_SHIFT); + r = walk_shadow(&walker.walker, vcpu, gfn << PAGE_SHIFT); if (r < 0) return r; return walker.pt_write; diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index b7064e1e1e17..b671f61be41e 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -286,7 +286,7 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, * Fetch a shadow pte for a specific level in the paging hierarchy. */ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, - struct kvm_vcpu *vcpu, gva_t addr, + struct kvm_vcpu *vcpu, u64 addr, u64 *sptep, int level) { struct shadow_walker *sw = @@ -326,7 +326,7 @@ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, metaphysical = 0; table_gfn = gw->table_gfn[level - 2]; } - shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1, + shadow_page = kvm_mmu_get_page(vcpu, table_gfn, (gva_t)addr, level-1, metaphysical, access, sptep); if (!metaphysical) { r = kvm_read_guest_atomic(vcpu->kvm, gw->pte_gpa[level - 2], -- GitLab From fa89a81766e33343fa8f0fe0e371819bf94a17a1 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Mon, 1 Sep 2008 15:57:51 +0300 Subject: [PATCH 4929/6244] KVM: Add statistics for guest irq injections These can help show whether a guest is making progress or not. Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 1 + arch/x86/kvm/vmx.c | 1 + arch/x86/kvm/x86.c | 1 + include/asm-x86/kvm_host.h | 1 + 4 files changed, 4 insertions(+) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 60228888d1b5..9b54550fa4d2 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1519,6 +1519,7 @@ static inline void svm_inject_irq(struct vcpu_svm *svm, int irq) KVMTRACE_1D(INJ_VIRQ, &svm->vcpu, (u32)irq, handler); + ++svm->vcpu.stat.irq_injections; control = &svm->vmcb->control; control->int_vector = irq; control->int_ctl &= ~V_INTR_PRIO_MASK; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 71e57ae1cab7..e7e8c86f1b7d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2341,6 +2341,7 @@ static void vmx_inject_irq(struct kvm_vcpu *vcpu, int irq) KVMTRACE_1D(INJ_VIRQ, vcpu, (u32)irq, handler); + ++vcpu->stat.irq_injections; if (vcpu->arch.rmode.active) { vmx->rmode.irq.pending = true; vmx->rmode.irq.vector = irq; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e3b89662cf6d..3f3cb7107c03 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -92,6 +92,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "fpu_reload", VCPU_STAT(fpu_reload) }, { "insn_emulation", VCPU_STAT(insn_emulation) }, { "insn_emulation_fail", VCPU_STAT(insn_emulation_fail) }, + { "irq_injections", VCPU_STAT(irq_injections) }, { "mmu_shadow_zapped", VM_STAT(mmu_shadow_zapped) }, { "mmu_pte_write", VM_STAT(mmu_pte_write) }, { "mmu_pte_updated", VM_STAT(mmu_pte_updated) }, diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index b6d26b80b75b..68a3ac13afce 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -413,6 +413,7 @@ struct kvm_vcpu_stat { u32 insn_emulation; u32 insn_emulation_fail; u32 hypercalls; + u32 irq_injections; }; struct descriptor_table { -- GitLab From a6a3034cb979b1fa3948d8e1e91b2387fc66b89b Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Sat, 6 Sep 2008 17:22:29 +0300 Subject: [PATCH 4930/6244] KVM: x86 emulator: Add in/out instructions (opcodes 0xe4-0xe7, 0xec-0xef) The patch adds in/out instructions to the x86 emulator. The instruction was encountered while running the BIOS while using the invalid guest state emulation patch. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 944f1f4d4be4..3ac2f1485223 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -177,11 +177,14 @@ static u16 opcode_table[256] = { /* 0xD8 - 0xDF */ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 - 0xE7 */ - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, + SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, + SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* 0xE8 - 0xEF */ ImplicitOps | Stack, SrcImm | ImplicitOps, ImplicitOps, SrcImmByte | ImplicitOps, - 0, 0, 0, 0, + SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, + SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps, /* 0xF0 - 0xF7 */ 0, 0, 0, 0, ImplicitOps, ImplicitOps, Group | Group3_Byte, Group | Group3, @@ -1259,6 +1262,8 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) u64 msr_data; unsigned long saved_eip = 0; struct decode_cache *c = &ctxt->decode; + unsigned int port; + int io_dir_in; int rc = 0; /* Shadow copy of register state. Committed on successful emulation. @@ -1687,6 +1692,16 @@ special_insn: c->src.val = c->regs[VCPU_REGS_RCX]; emulate_grp2(ctxt); break; + case 0xe4: /* inb */ + case 0xe5: /* in */ + port = insn_fetch(u8, 1, c->eip); + io_dir_in = 1; + goto do_io; + case 0xe6: /* outb */ + case 0xe7: /* out */ + port = insn_fetch(u8, 1, c->eip); + io_dir_in = 0; + goto do_io; case 0xe8: /* call (near) */ { long int rel; switch (c->op_bytes) { @@ -1737,6 +1752,22 @@ special_insn: jmp_rel(c, c->src.val); c->dst.type = OP_NONE; /* Disable writeback. */ break; + case 0xec: /* in al,dx */ + case 0xed: /* in (e/r)ax,dx */ + port = c->regs[VCPU_REGS_RDX]; + io_dir_in = 1; + goto do_io; + case 0xee: /* out al,dx */ + case 0xef: /* out (e/r)ax,dx */ + port = c->regs[VCPU_REGS_RDX]; + io_dir_in = 0; + do_io: if (kvm_emulate_pio(ctxt->vcpu, NULL, io_dir_in, + (c->d & ByteOp) ? 1 : c->op_bytes, + port) != 0) { + c->eip = saved_eip; + goto cannot_emulate; + } + return 0; case 0xf4: /* hlt */ ctxt->vcpu->arch.halt_request = 1; break; -- GitLab From d76901750ab9f71091d33ef3d2b5909d8a9a4ad4 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Mon, 8 Sep 2008 15:23:48 -0300 Subject: [PATCH 4931/6244] KVM: x86: do not execute halted vcpus Offline or uninitialized vcpu's can be executed if requested to perform userspace work. Follow Avi's suggestion to handle halted vcpu's in the main loop, simplifying kvm_emulate_halt(). Introduce a new vcpu->requests bit to indicate events that promote state from halted to running. Also standardize vcpu wake sites. Signed-off-by: Marcelo Tosatti redhat.com> Signed-off-by: Avi Kivity --- arch/x86/kvm/i8254.c | 5 +- arch/x86/kvm/lapic.c | 16 ++----- arch/x86/kvm/x86.c | 100 +++++++++++++++++++++------------------ include/linux/kvm_host.h | 1 + virt/kvm/kvm_main.c | 10 ++-- 5 files changed, 67 insertions(+), 65 deletions(-) diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 4cb443026ec4..634132a9a512 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -200,10 +200,9 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps) if (!atomic_inc_and_test(&pt->pending)) set_bit(KVM_REQ_PENDING_TIMER, &vcpu0->requests); - if (vcpu0 && waitqueue_active(&vcpu0->wq)) { - vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE; + + if (vcpu0 && waitqueue_active(&vcpu0->wq)) wake_up_interruptible(&vcpu0->wq); - } pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period); pt->scheduled = ktime_to_ns(pt->timer.expires); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index be94f93a73f6..fd00f698692f 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -339,13 +339,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, } else apic_clear_vector(vector, apic->regs + APIC_TMR); - if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE) - kvm_vcpu_kick(vcpu); - else if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) { - vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - if (waitqueue_active(&vcpu->wq)) - wake_up_interruptible(&vcpu->wq); - } + kvm_vcpu_kick(vcpu); result = (orig_irr == 0); break; @@ -384,8 +378,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { vcpu->arch.sipi_vector = vector; vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED; - if (waitqueue_active(&vcpu->wq)) - wake_up_interruptible(&vcpu->wq); + kvm_vcpu_kick(vcpu); } break; @@ -950,10 +943,9 @@ static int __apic_timer_fn(struct kvm_lapic *apic) if(!atomic_inc_and_test(&apic->timer.pending)) set_bit(KVM_REQ_PENDING_TIMER, &apic->vcpu->requests); - if (waitqueue_active(q)) { - apic->vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; + if (waitqueue_active(q)) wake_up_interruptible(q); - } + if (apic_lvtt_period(apic)) { result = 1; apic->timer.dev.expires = ktime_add_ns( diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3f3cb7107c03..bf98d40b21ec 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2798,11 +2798,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) KVMTRACE_0D(HLT, vcpu, handler); if (irqchip_in_kernel(vcpu->kvm)) { vcpu->arch.mp_state = KVM_MP_STATE_HALTED; - up_read(&vcpu->kvm->slots_lock); - kvm_vcpu_block(vcpu); - down_read(&vcpu->kvm->slots_lock); - if (vcpu->arch.mp_state != KVM_MP_STATE_RUNNABLE) - return -EINTR; return 1; } else { vcpu->run->exit_reason = KVM_EXIT_HLT; @@ -3097,24 +3092,10 @@ static void vapic_exit(struct kvm_vcpu *vcpu) up_read(&vcpu->kvm->slots_lock); } -static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { int r; - if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_SIPI_RECEIVED)) { - pr_debug("vcpu %d received sipi with vector # %x\n", - vcpu->vcpu_id, vcpu->arch.sipi_vector); - kvm_lapic_reset(vcpu); - r = kvm_x86_ops->vcpu_reset(vcpu); - if (r) - return r; - vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - } - - down_read(&vcpu->kvm->slots_lock); - vapic_enter(vcpu); - -again: if (vcpu->requests) if (test_and_clear_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests)) kvm_mmu_unload(vcpu); @@ -3151,22 +3132,13 @@ again: local_irq_disable(); - if (vcpu->requests || need_resched()) { + if (vcpu->requests || need_resched() || signal_pending(current)) { local_irq_enable(); preempt_enable(); r = 1; goto out; } - if (signal_pending(current)) { - local_irq_enable(); - preempt_enable(); - r = -EINTR; - kvm_run->exit_reason = KVM_EXIT_INTR; - ++vcpu->stat.signal_exits; - goto out; - } - if (vcpu->guest_debug.enabled) kvm_x86_ops->guest_debug_pre(vcpu); @@ -3227,26 +3199,63 @@ again: kvm_lapic_sync_from_vapic(vcpu); r = kvm_x86_ops->handle_exit(kvm_run, vcpu); +out: + return r; +} - if (r > 0) { - if (dm_request_for_irq_injection(vcpu, kvm_run)) { - r = -EINTR; - kvm_run->exit_reason = KVM_EXIT_INTR; - ++vcpu->stat.request_irq_exits; - goto out; - } - if (!need_resched()) - goto again; +static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +{ + int r; + + if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_SIPI_RECEIVED)) { + printk("vcpu %d received sipi with vector # %x\n", + vcpu->vcpu_id, vcpu->arch.sipi_vector); + kvm_lapic_reset(vcpu); + r = kvm_x86_ops->vcpu_reset(vcpu); + if (r) + return r; + vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; } -out: - up_read(&vcpu->kvm->slots_lock); - if (r > 0) { - kvm_resched(vcpu); - down_read(&vcpu->kvm->slots_lock); - goto again; + down_read(&vcpu->kvm->slots_lock); + vapic_enter(vcpu); + + r = 1; + while (r > 0) { + if (kvm_arch_vcpu_runnable(vcpu)) + r = vcpu_enter_guest(vcpu, kvm_run); + else { + up_read(&vcpu->kvm->slots_lock); + kvm_vcpu_block(vcpu); + down_read(&vcpu->kvm->slots_lock); + if (test_and_clear_bit(KVM_REQ_UNHALT, &vcpu->requests)) + if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) + vcpu->arch.mp_state = + KVM_MP_STATE_RUNNABLE; + if (vcpu->arch.mp_state != KVM_MP_STATE_RUNNABLE) + r = -EINTR; + } + + if (r > 0) { + if (dm_request_for_irq_injection(vcpu, kvm_run)) { + r = -EINTR; + kvm_run->exit_reason = KVM_EXIT_INTR; + ++vcpu->stat.request_irq_exits; + } + if (signal_pending(current)) { + r = -EINTR; + kvm_run->exit_reason = KVM_EXIT_INTR; + ++vcpu->stat.signal_exits; + } + if (need_resched()) { + up_read(&vcpu->kvm->slots_lock); + kvm_resched(vcpu); + down_read(&vcpu->kvm->slots_lock); + } + } } + up_read(&vcpu->kvm->slots_lock); post_kvm_run_save(vcpu, kvm_run); vapic_exit(vcpu); @@ -3266,6 +3275,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { kvm_vcpu_block(vcpu); + clear_bit(KVM_REQ_UNHALT, &vcpu->requests); r = -EAGAIN; goto out; } diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a18aaad2ab79..4b036430ea23 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -34,6 +34,7 @@ #define KVM_REQ_MMU_RELOAD 3 #define KVM_REQ_TRIPLE_FAULT 4 #define KVM_REQ_PENDING_TIMER 5 +#define KVM_REQ_UNHALT 6 struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index de3b029f6adf..63e661be040a 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -980,12 +980,12 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) for (;;) { prepare_to_wait(&vcpu->wq, &wait, TASK_INTERRUPTIBLE); - if (kvm_cpu_has_interrupt(vcpu)) - break; - if (kvm_cpu_has_pending_timer(vcpu)) - break; - if (kvm_arch_vcpu_runnable(vcpu)) + if (kvm_cpu_has_interrupt(vcpu) || + kvm_cpu_has_pending_timer(vcpu) || + kvm_arch_vcpu_runnable(vcpu)) { + set_bit(KVM_REQ_UNHALT, &vcpu->requests); break; + } if (signal_pending(current)) break; -- GitLab From d19292e457a7c1b7f6c12bccbfdfd53630de1cee Mon Sep 17 00:00:00 2001 From: Mohammed Gamal Date: Mon, 8 Sep 2008 21:47:19 +0300 Subject: [PATCH 4932/6244] KVM: x86 emulator: Add call near absolute instruction (opcode 0xff/2) Add call near absolute instruction. Signed-off-by: Mohammed Gamal Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 3ac2f1485223..0630d2198763 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -286,7 +286,8 @@ static u16 group_table[] = { ByteOp | DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM, 0, 0, 0, 0, 0, 0, [Group5*8] = - DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, 0, 0, + DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, + SrcMem | ModRM | Stack, 0, SrcMem | ModRM, 0, SrcMem | ModRM | Stack, 0, [Group7*8] = 0, 0, ModRM | SrcMem, ModRM | SrcMem, @@ -1162,6 +1163,14 @@ static inline int emulate_grp45(struct x86_emulate_ctxt *ctxt, case 1: /* dec */ emulate_1op("dec", c->dst, ctxt->eflags); break; + case 2: /* call near abs */ { + long int old_eip; + old_eip = c->eip; + c->eip = c->src.val; + c->src.val = old_eip; + emulate_push(ctxt); + break; + } case 4: /* jmp abs */ c->eip = c->src.val; break; -- GitLab From 9c3e4aab5ae27bf8589d61c7874e213832b4b7d2 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 10 Sep 2008 16:40:55 -0300 Subject: [PATCH 4933/6244] KVM: x86: unhalt vcpu0 on reset Since "KVM: x86: do not execute halted vcpus", HLT by vcpu0 before system reset by the IO thread will hang the guest. Mark vcpu as runnable in such case. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bf98d40b21ec..2134f3e0a516 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3959,6 +3959,12 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, kvm_set_segment(vcpu, &sregs->tr, VCPU_SREG_TR); kvm_set_segment(vcpu, &sregs->ldt, VCPU_SREG_LDTR); + /* Older userspace won't unhalt the vcpu on reset. */ + if (vcpu->vcpu_id == 0 && kvm_rip_read(vcpu) == 0xfff0 && + sregs->cs.selector == 0xf000 && sregs->cs.base == 0xffff0000 && + !(vcpu->arch.cr0 & X86_CR0_PE)) + vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; + vcpu_put(vcpu); return 0; -- GitLab From 0bd595fc222583ca260f259698f72e9946c6e524 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Thu, 11 Sep 2008 10:04:29 -0500 Subject: [PATCH 4934/6244] KVM: ppc: kvmppc_44x_shadow_release() does not require mmap_sem to be locked And it gets in the way of get_user_pages_fast(). Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/kvm/44x_tlb.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 3594bbd1f618..7b11fd7be542 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -110,7 +110,6 @@ static int kvmppc_44x_tlbe_is_writable(struct tlbe *tlbe) return tlbe->word2 & (PPC44x_TLB_SW|PPC44x_TLB_UW); } -/* Must be called with mmap_sem locked for writing. */ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu, unsigned int index) { @@ -150,17 +149,16 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, /* Get reference to new page. */ down_read(¤t->mm->mmap_sem); new_page = gfn_to_page(vcpu->kvm, gfn); + up_read(¤t->mm->mmap_sem); if (is_error_page(new_page)) { printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn); kvm_release_page_clean(new_page); - up_read(¤t->mm->mmap_sem); return; } hpaddr = page_to_phys(new_page); /* Drop reference to old page. */ kvmppc_44x_shadow_release(vcpu, victim); - up_read(¤t->mm->mmap_sem); vcpu->arch.shadow_pages[victim] = new_page; @@ -194,7 +192,6 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, int i; /* XXX Replace loop with fancy data structures. */ - down_write(¤t->mm->mmap_sem); for (i = 0; i <= tlb_44x_hwater; i++) { struct tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; unsigned int tid; @@ -219,7 +216,6 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, handler); } - up_write(¤t->mm->mmap_sem); } /* Invalidate all mappings on the privilege switch after PID has been changed. @@ -231,7 +227,6 @@ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) if (vcpu->arch.swap_pid) { /* XXX Replace loop with fancy data structures. */ - down_write(¤t->mm->mmap_sem); for (i = 0; i <= tlb_44x_hwater; i++) { struct tlbe *stlbe = &vcpu->arch.shadow_tlb[i]; @@ -243,7 +238,6 @@ void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode) stlbe->tid, stlbe->word0, stlbe->word1, stlbe->word2, handler); } - up_write(¤t->mm->mmap_sem); vcpu->arch.swap_pid = 0; } -- GitLab From 4b92fe0c9d0376eb105c88d49b77595e8e5b1548 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Thu, 11 Sep 2008 12:58:00 +0200 Subject: [PATCH 4935/6244] KVM: VMX: Cleanup stalled INTR_INFO read Commit 1c0f4f5011829dac96347b5f84ba37c2252e1e08 left a useless access of VM_ENTRY_INTR_INFO_FIELD in vmx_intr_assist behind. Clean this up. Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e7e8c86f1b7d..f8e615fc8744 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3135,11 +3135,8 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx) static void vmx_intr_assist(struct kvm_vcpu *vcpu) { - u32 intr_info_field; - update_tpr_threshold(vcpu); - intr_info_field = vmcs_read32(VM_ENTRY_INTR_INFO_FIELD); if (cpu_has_virtual_nmis()) { if (vcpu->arch.nmi_pending && !vcpu->arch.nmi_injected) { if (vmx_nmi_enabled(vcpu)) { -- GitLab From ef46f18ea010359f7536afd3f56a92c9c83ac09a Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 11 Sep 2008 19:47:13 +0300 Subject: [PATCH 4936/6244] KVM: x86 emulator: fix jmp r/m64 instruction jmp r/m64 doesn't require the rex.w prefix to indicate the operand size is 64 bits. Set the Stack attribute (even though it doesn't involve the stack, really) to indicate this. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 0630d2198763..0c120c4c9c0f 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -288,7 +288,7 @@ static u16 group_table[] = { [Group5*8] = DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM, SrcMem | ModRM | Stack, 0, - SrcMem | ModRM, 0, SrcMem | ModRM | Stack, 0, + SrcMem | ModRM | Stack, 0, SrcMem | ModRM | Stack, 0, [Group7*8] = 0, 0, ModRM | SrcMem, ModRM | SrcMem, SrcNone | ModRM | DstMem | Mov, 0, -- GitLab From ad8003d33efe856515a5c2e9b63637de85c44788 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 10 Sep 2008 20:01:07 +0200 Subject: [PATCH 4937/6244] MAINTAINERS: add entry for the KVM AMD module Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 5d0b8a23d639..87ba4a6a5875 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2448,6 +2448,13 @@ L: kvm@vger.kernel.org W: http://kvm.qumranet.com S: Supported +KERNEL VIRTUAL MACHINE (KVM) FOR AMD-V +P: Joerg Roedel +M: joerg.roedel@amd.com +L: kvm@vger.kernel.org +W: http://kvm.qumranet.com +S: Supported + KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC P: Hollis Blanchard M: hollisb@us.ibm.com -- GitLab From 9ea542facbd0fd12a53e169953a3fdd6d0364532 Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Thu, 11 Sep 2008 15:27:49 +0800 Subject: [PATCH 4938/6244] KVM: VMX: Rename IA32_FEATURE_CONTROL bits Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 18 +++++++++--------- arch/x86/kvm/vmx.h | 4 ++-- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f8e615fc8744..046a91b5a4ba 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1041,9 +1041,9 @@ static __init int vmx_disabled_by_bios(void) u64 msr; rdmsrl(MSR_IA32_FEATURE_CONTROL, msr); - return (msr & (IA32_FEATURE_CONTROL_LOCKED_BIT | - IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) - == IA32_FEATURE_CONTROL_LOCKED_BIT; + return (msr & (FEATURE_CONTROL_LOCKED | + FEATURE_CONTROL_VMXON_ENABLED)) + == FEATURE_CONTROL_LOCKED; /* locked but not enabled */ } @@ -1055,14 +1055,14 @@ static void hardware_enable(void *garbage) INIT_LIST_HEAD(&per_cpu(vcpus_on_cpu, cpu)); rdmsrl(MSR_IA32_FEATURE_CONTROL, old); - if ((old & (IA32_FEATURE_CONTROL_LOCKED_BIT | - IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) - != (IA32_FEATURE_CONTROL_LOCKED_BIT | - IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT)) + if ((old & (FEATURE_CONTROL_LOCKED | + FEATURE_CONTROL_VMXON_ENABLED)) + != (FEATURE_CONTROL_LOCKED | + FEATURE_CONTROL_VMXON_ENABLED)) /* enable and lock */ wrmsrl(MSR_IA32_FEATURE_CONTROL, old | - IA32_FEATURE_CONTROL_LOCKED_BIT | - IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT); + FEATURE_CONTROL_LOCKED | + FEATURE_CONTROL_VMXON_ENABLED); write_cr4(read_cr4() | X86_CR4_VMXE); /* FIXME: not cpu hotplug safe */ asm volatile (ASM_VMX_VMXON_RAX : : "a"(&phys_addr), "m"(phys_addr) diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index 86059f439cb4..44cfab706443 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -331,8 +331,8 @@ enum vmcs_field { #define AR_RESERVD_MASK 0xfffe0f00 -#define IA32_FEATURE_CONTROL_LOCKED_BIT 0x1 -#define IA32_FEATURE_CONTROL_VMXON_ENABLED_BIT 0x4 +#define FEATURE_CONTROL_LOCKED (1<<0) +#define FEATURE_CONTROL_VMXON_ENABLED (1<<2) #define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT 9 #define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT 10 -- GitLab From defed7ed926eca9f178a632df05baa866abe754e Mon Sep 17 00:00:00 2001 From: Sheng Yang Date: Thu, 11 Sep 2008 15:27:50 +0800 Subject: [PATCH 4939/6244] x86: Move FEATURE_CONTROL bits to msr-index.h For MSR_IA32_FEATURE_CONTROL is already there. Signed-off-by: Sheng Yang Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.h | 3 --- include/asm-x86/msr-index.h | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index 44cfab706443..3e010d21fdd7 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -331,9 +331,6 @@ enum vmcs_field { #define AR_RESERVD_MASK 0xfffe0f00 -#define FEATURE_CONTROL_LOCKED (1<<0) -#define FEATURE_CONTROL_VMXON_ENABLED (1<<2) - #define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT 9 #define IDENTITY_PAGETABLE_PRIVATE_MEMSLOT 10 diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h index 0bb43301a202..dabd10f0bbee 100644 --- a/include/asm-x86/msr-index.h +++ b/include/asm-x86/msr-index.h @@ -178,6 +178,9 @@ #define MSR_IA32_EBL_CR_POWERON 0x0000002a #define MSR_IA32_FEATURE_CONTROL 0x0000003a +#define FEATURE_CONTROL_LOCKED (1<<0) +#define FEATURE_CONTROL_VMXON_ENABLED (1<<2) + #define MSR_IA32_APICBASE 0x0000001b #define MSR_IA32_APICBASE_BSP (1<<8) #define MSR_IA32_APICBASE_ENABLE (1<<11) -- GitLab From 9c9fddd0e784346a6d0ce82ed20d9ad21f3c8a2c Mon Sep 17 00:00:00 2001 From: Guillaume Thouvenin Date: Fri, 12 Sep 2008 13:50:25 +0200 Subject: [PATCH 4940/6244] KVM: x86 emulator: Add DstAcc operand type Add DstAcc operand type. That means that there are 4 bits now for DstMask. "In the good old days cpus would have only one register that was able to fully participate in arithmetic operations, typically called A for Accumulator. The x86 retains this tradition by having special, shorter encodings for the A register (like the cmp opcode), and even some instructions that only operate on A (like mul). SrcAcc and DstAcc would accommodate these instructions by decoding A into the corresponding 'struct operand'." -- Avi Kivity Signed-off-by: Guillaume Thouvenin Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 50 ++++++++++++++++++++++++++------------ 1 file changed, 34 insertions(+), 16 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 0c120c4c9c0f..4390ec8c47a6 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -47,25 +47,26 @@ #define ImplicitOps (1<<1) /* Implicit in opcode. No generic decode. */ #define DstReg (2<<1) /* Register operand. */ #define DstMem (3<<1) /* Memory operand. */ -#define DstMask (3<<1) +#define DstAcc (4<<1) /* Destination Accumulator */ +#define DstMask (7<<1) /* Source operand type. */ -#define SrcNone (0<<3) /* No source operand. */ -#define SrcImplicit (0<<3) /* Source operand is implicit in the opcode. */ -#define SrcReg (1<<3) /* Register operand. */ -#define SrcMem (2<<3) /* Memory operand. */ -#define SrcMem16 (3<<3) /* Memory operand (16-bit). */ -#define SrcMem32 (4<<3) /* Memory operand (32-bit). */ -#define SrcImm (5<<3) /* Immediate operand. */ -#define SrcImmByte (6<<3) /* 8-bit sign-extended immediate operand. */ -#define SrcMask (7<<3) +#define SrcNone (0<<4) /* No source operand. */ +#define SrcImplicit (0<<4) /* Source operand is implicit in the opcode. */ +#define SrcReg (1<<4) /* Register operand. */ +#define SrcMem (2<<4) /* Memory operand. */ +#define SrcMem16 (3<<4) /* Memory operand (16-bit). */ +#define SrcMem32 (4<<4) /* Memory operand (32-bit). */ +#define SrcImm (5<<4) /* Immediate operand. */ +#define SrcImmByte (6<<4) /* 8-bit sign-extended immediate operand. */ +#define SrcMask (7<<4) /* Generic ModRM decode. */ -#define ModRM (1<<6) +#define ModRM (1<<7) /* Destination is only written; never read. */ -#define Mov (1<<7) -#define BitOp (1<<8) -#define MemAbs (1<<9) /* Memory operand is absolute displacement */ -#define String (1<<10) /* String instruction (rep capable) */ -#define Stack (1<<11) /* Stack instruction (push/pop) */ +#define Mov (1<<8) +#define BitOp (1<<9) +#define MemAbs (1<<10) /* Memory operand is absolute displacement */ +#define String (1<<12) /* String instruction (rep capable) */ +#define Stack (1<<13) /* Stack instruction (push/pop) */ #define Group (1<<14) /* Bits 3:5 of modrm byte extend opcode */ #define GroupDual (1<<15) /* Alternate decoding of mod == 3 */ #define GroupMask 0xff /* Group number stored in bits 0:7 */ @@ -1060,6 +1061,23 @@ done_prefixes: } c->dst.type = OP_MEM; break; + case DstAcc: + c->dst.type = OP_REG; + c->dst.bytes = c->op_bytes; + c->dst.ptr = &c->regs[VCPU_REGS_RAX]; + switch (c->op_bytes) { + case 1: + c->dst.val = *(u8 *)c->dst.ptr; + break; + case 2: + c->dst.val = *(u16 *)c->dst.ptr; + break; + case 4: + c->dst.val = *(u32 *)c->dst.ptr; + break; + } + c->dst.orig_val = c->dst.val; + break; } if (c->rip_relative) -- GitLab From 8a9fee67fba585b4c4731a749367e1751ebf416c Mon Sep 17 00:00:00 2001 From: Guillaume Thouvenin Date: Fri, 12 Sep 2008 13:51:15 +0200 Subject: [PATCH 4941/6244] KVM: x86 emulator: Add cmp al, imm and cmp ax, imm instructions (ocodes 3c, 3d) Add decode entries for these opcodes; execution is already implemented. Signed-off-by: Guillaume Thouvenin Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 4390ec8c47a6..2b43208a38bc 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -108,7 +108,8 @@ static u16 opcode_table[256] = { /* 0x38 - 0x3F */ ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM, ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM, - 0, 0, 0, 0, + ByteOp | DstAcc | SrcImm, DstAcc | SrcImm, + 0, 0, /* 0x40 - 0x47 */ DstReg, DstReg, DstReg, DstReg, DstReg, DstReg, DstReg, DstReg, /* 0x48 - 0x4F */ -- GitLab From aa3a816b6d0bd59e1a9c548cc7d2dd829f26534f Mon Sep 17 00:00:00 2001 From: Guillaume Thouvenin Date: Fri, 12 Sep 2008 13:52:18 +0200 Subject: [PATCH 4942/6244] KVM: x86 emulator: Use DstAcc for 'and' For instruction 'and al,imm' we use DstAcc instead of doing the emulation directly into the instruction's opcode. Signed-off-by: Guillaume Thouvenin Signed-off-by: Avi Kivity --- arch/x86/kvm/x86_emulate.c | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-) diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index 2b43208a38bc..ea051173b0da 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -96,7 +96,7 @@ static u16 opcode_table[256] = { /* 0x20 - 0x27 */ ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM, ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM, - SrcImmByte, SrcImm, 0, 0, + DstAcc | SrcImmByte, DstAcc | SrcImm, 0, 0, /* 0x28 - 0x2F */ ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM, ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM, @@ -1392,27 +1392,10 @@ special_insn: sbb: /* sbb */ emulate_2op_SrcV("sbb", c->src, c->dst, ctxt->eflags); break; - case 0x20 ... 0x23: + case 0x20 ... 0x25: and: /* and */ emulate_2op_SrcV("and", c->src, c->dst, ctxt->eflags); break; - case 0x24: /* and al imm8 */ - c->dst.type = OP_REG; - c->dst.ptr = &c->regs[VCPU_REGS_RAX]; - c->dst.val = *(u8 *)c->dst.ptr; - c->dst.bytes = 1; - c->dst.orig_val = c->dst.val; - goto and; - case 0x25: /* and ax imm16, or eax imm32 */ - c->dst.type = OP_REG; - c->dst.bytes = c->op_bytes; - c->dst.ptr = &c->regs[VCPU_REGS_RAX]; - if (c->op_bytes == 2) - c->dst.val = *(u16 *)c->dst.ptr; - else - c->dst.val = *(u32 *)c->dst.ptr; - c->dst.orig_val = c->dst.val; - goto and; case 0x28 ... 0x2d: sub: /* sub */ emulate_2op_SrcV("sub", c->src, c->dst, ctxt->eflags); -- GitLab From 7c2500f17d65092d93345f3996cf82ebca17e9ff Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Wed, 15 Oct 2008 08:53:06 +0000 Subject: [PATCH 4943/6244] [WATCHDOG] ib700wdt.c - fix buffer_underflow bug This fixes Bug 11399: if ibwdt_set_heartbeat(int t) is called with value 30 then the check "if ((t < 0) || (t > 30))" in ibwdt_set_heartbeat is not going to fail because t == 30, but in the loop, the check wd_times[i] > t is never going to be true because none of the wd_times are greater than the value of t (i.e. 30). So we are exiting the loop with i == -1 and therefore setting wd_margin to -1 which is wrong. Reported-by: Zvonimir Rakamaric Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/ib700wdt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c index 05a28106e8eb..8782ec1f5aa0 100644 --- a/drivers/watchdog/ib700wdt.c +++ b/drivers/watchdog/ib700wdt.c @@ -154,7 +154,7 @@ static int ibwdt_set_heartbeat(int t) return -EINVAL; for (i = 0x0F; i > -1; i--) - if (wd_times[i] > t) + if (wd_times[i] >= t) break; wd_margin = i; return 0; -- GitLab From 7fb0d78fb155845812e98ed10605d8f01963ce05 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:12:35 +0200 Subject: [PATCH 4944/6244] ALSA: hda - Add auto mic switch in realtek auto-probe mode Add the automatic mic switch via jack sensing in auto-probe mode for Realtek codecs. Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 65 +++++++++++++++++++++++++++-------- 1 file changed, 50 insertions(+), 15 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0b6e682c46d0..80c3f6420072 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -822,6 +822,27 @@ static void alc_sku_automute(struct hda_codec *codec) spec->jack_present ? 0 : PIN_OUT); } +static void alc_mic_automute(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + unsigned int present; + unsigned int mic_nid = spec->autocfg.input_pins[AUTO_PIN_MIC]; + unsigned int fmic_nid = spec->autocfg.input_pins[AUTO_PIN_FRONT_MIC]; + unsigned int mix_nid = spec->capsrc_nids[0]; + unsigned int capsrc_idx_mic, capsrc_idx_fmic; + + capsrc_idx_mic = mic_nid - 0x18; + capsrc_idx_fmic = fmic_nid - 0x18; + present = snd_hda_codec_read(codec, mic_nid, 0, + AC_VERB_GET_PIN_SENSE, 0) & 0x80000000; + snd_hda_codec_write(codec, mix_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, + 0x7000 | (capsrc_idx_mic << 8) | (present ? 0 : 0x80)); + snd_hda_codec_write(codec, mix_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, + 0x7000 | (capsrc_idx_fmic << 8) | (present ? 0x80 : 0)); + snd_hda_codec_amp_stereo(codec, 0x0b, HDA_INPUT, capsrc_idx_fmic, + HDA_AMP_MUTE, present ? HDA_AMP_MUTE : 0); +} + /* unsolicited event for HP jack sensing */ static void alc_sku_unsol_event(struct hda_codec *codec, unsigned int res) { @@ -829,10 +850,17 @@ static void alc_sku_unsol_event(struct hda_codec *codec, unsigned int res) res >>= 28; else res >>= 26; - if (res != ALC880_HP_EVENT) - return; + if (res == ALC880_HP_EVENT) + alc_sku_automute(codec); + if (res == ALC880_MIC_EVENT) + alc_mic_automute(codec); +} + +static void alc_inithook(struct hda_codec *codec) +{ alc_sku_automute(codec); + alc_mic_automute(codec); } /* additional initialization for ALC888 variants */ @@ -1018,10 +1046,17 @@ do_sku: else return; } + if (spec->autocfg.hp_pins[0]) + snd_hda_codec_write(codec, spec->autocfg.hp_pins[0], 0, + AC_VERB_SET_UNSOLICITED_ENABLE, + AC_USRSP_EN | ALC880_HP_EVENT); - snd_hda_codec_write(codec, spec->autocfg.hp_pins[0], 0, - AC_VERB_SET_UNSOLICITED_ENABLE, - AC_USRSP_EN | ALC880_HP_EVENT); + if (spec->autocfg.input_pins[AUTO_PIN_MIC] && + spec->autocfg.input_pins[AUTO_PIN_FRONT_MIC]) + snd_hda_codec_write(codec, + spec->autocfg.input_pins[AUTO_PIN_MIC], 0, + AC_VERB_SET_UNSOLICITED_ENABLE, + AC_USRSP_EN | ALC880_MIC_EVENT); spec->unsol_event = alc_sku_unsol_event; } @@ -3808,7 +3843,7 @@ static void alc880_auto_init(struct hda_codec *codec) alc880_auto_init_extra_out(codec); alc880_auto_init_analog_input(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } /* @@ -5219,7 +5254,7 @@ static void alc260_auto_init(struct hda_codec *codec) alc260_auto_init_multi_out(codec); alc260_auto_init_analog_input(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } #ifdef CONFIG_SND_HDA_POWER_SAVE @@ -6629,7 +6664,7 @@ static void alc882_auto_init(struct hda_codec *codec) alc882_auto_init_analog_input(codec); alc882_auto_init_input_src(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } static int patch_alc883(struct hda_codec *codec); /* called in patch_alc882() */ @@ -8758,7 +8793,7 @@ static void alc883_auto_init(struct hda_codec *codec) alc883_auto_init_analog_input(codec); alc883_auto_init_input_src(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } static int patch_alc883(struct hda_codec *codec) @@ -10285,7 +10320,7 @@ static void alc262_auto_init(struct hda_codec *codec) alc262_auto_init_analog_input(codec); alc262_auto_init_input_src(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } /* @@ -11417,7 +11452,7 @@ static void alc268_auto_init(struct hda_codec *codec) alc268_auto_init_mono_speaker_out(codec); alc268_auto_init_analog_input(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } /* @@ -12200,7 +12235,7 @@ static void alc269_auto_init(struct hda_codec *codec) alc269_auto_init_hp_out(codec); alc269_auto_init_analog_input(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } /* @@ -13281,7 +13316,7 @@ static void alc861_auto_init(struct hda_codec *codec) alc861_auto_init_hp_out(codec); alc861_auto_init_analog_input(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } #ifdef CONFIG_SND_HDA_POWER_SAVE @@ -14393,7 +14428,7 @@ static void alc861vd_auto_init(struct hda_codec *codec) alc861vd_auto_init_analog_input(codec); alc861vd_auto_init_input_src(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } static int patch_alc861vd(struct hda_codec *codec) @@ -16223,7 +16258,7 @@ static void alc662_auto_init(struct hda_codec *codec) alc662_auto_init_analog_input(codec); alc662_auto_init_input_src(codec); if (spec->unsol_event) - alc_sku_automute(codec); + alc_inithook(codec); } static int patch_alc662(struct hda_codec *codec) -- GitLab From a01c30cb77aa7b80ea08d003783fb9f0470455ee Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:14:58 +0200 Subject: [PATCH 4945/6244] ALSA: hda - Fix PCI SSID of ASUS M90V ASUS M90V has PCI SSID 1043:1873. Corrected in the quirk list. Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 80c3f6420072..87b69acdd6d3 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8341,8 +8341,8 @@ static struct snd_pci_quirk alc883_cfg_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2a4f, "HP Samba", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a60, "HP Lucknow", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a61, "HP Nettle", ALC883_6ST_DIG), + SND_PCI_QUIRK(0x1043, 0x1873, "Asus M90V", ALC888_ASUS_M90V), SND_PCI_QUIRK(0x1043, 0x8249, "Asus M2A-VM HDMI", ALC883_3ST_6ch_DIG), - SND_PCI_QUIRK(0x1043, 0x8317, "Asus M90V", ALC888_ASUS_M90V), SND_PCI_QUIRK(0x1043, 0x835f, "Asus Eee 1601", ALC888_ASUS_EEE1601), SND_PCI_QUIRK(0x105b, 0x0ce8, "Foxconn P35AX-S", ALC883_6ST_DIG), SND_PCI_QUIRK(0x105b, 0x6668, "Foxconn", ALC883_6ST_DIG), -- GitLab From 4442608d4b0071a00067dcbf64e7362ce08e91a5 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:18:05 +0200 Subject: [PATCH 4946/6244] ALSA: hda - Add ALC1200 support Add ALC1200 codec support. Almost compatible with ALC888. Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 87b69acdd6d3..0e759845c451 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8837,8 +8837,13 @@ static int patch_alc883(struct hda_codec *codec) switch (codec->vendor_id) { case 0x10ec0888: - spec->stream_name_analog = "ALC888 Analog"; - spec->stream_name_digital = "ALC888 Digital"; + if (codec->revision_id == 0x100101) { + spec->stream_name_analog = "ALC1200 Analog"; + spec->stream_name_digital = "ALC1200 Digital"; + } else { + spec->stream_name_analog = "ALC888 Analog"; + spec->stream_name_digital = "ALC888 Digital"; + } break; case 0x10ec0889: spec->stream_name_analog = "ALC889 Analog"; @@ -16359,6 +16364,8 @@ struct hda_codec_preset snd_hda_preset_realtek[] = { .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, + { .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200", + .patch = patch_alc883 }, { .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc883 }, {} /* terminator */ }; -- GitLab From a385a52925398e53bedf1a8b30a9a3e002569f27 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:20:21 +0200 Subject: [PATCH 4947/6244] ALSA: hda - Add ALC887 support Added ALC887 support. It's almost compatible with ALC883/888. Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0e759845c451..011f00aa0ec7 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -16363,6 +16363,7 @@ struct hda_codec_preset snd_hda_preset_realtek[] = { { .id = 0x10ec0885, .rev = 0x100103, .name = "ALC889A", .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, + { .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc883 }, { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, { .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200", .patch = patch_alc883 }, -- GitLab From 01afd41f55524e8378601dbf33b858d8dd4b3f31 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:22:09 +0200 Subject: [PATCH 4948/6244] ALSA: hda - Add support of ALC272 Added the support of ALC272 codec. It's almost compatible with ALC663. Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 011f00aa0ec7..99123a755a5d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -16308,6 +16308,9 @@ static int patch_alc662(struct hda_codec *codec) if (codec->vendor_id == 0x10ec0663) { spec->stream_name_analog = "ALC663 Analog"; spec->stream_name_digital = "ALC663 Digital"; + } else if (codec->vendor_id == 0x10ec0272) { + spec->stream_name_analog = "ALC272 Analog"; + spec->stream_name_digital = "ALC272 Digital"; } else { spec->stream_name_analog = "ALC662 Analog"; spec->stream_name_digital = "ALC662 Digital"; @@ -16345,6 +16348,7 @@ struct hda_codec_preset snd_hda_preset_realtek[] = { { .id = 0x10ec0267, .name = "ALC267", .patch = patch_alc268 }, { .id = 0x10ec0268, .name = "ALC268", .patch = patch_alc268 }, { .id = 0x10ec0269, .name = "ALC269", .patch = patch_alc269 }, + { .id = 0x10ec0272, .name = "ALC272", .patch = patch_alc662 }, { .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660", .patch = patch_alc861 }, { .id = 0x10ec0660, .name = "ALC660-VD", .patch = patch_alc861vd }, -- GitLab From 80ffe86925a226f513b36d0ce13e049133841970 Mon Sep 17 00:00:00 2001 From: Kailang Yang Date: Wed, 15 Oct 2008 11:23:27 +0200 Subject: [PATCH 4949/6244] ALSA: hda - Fix quirk lists for realtek codecs - Fix Toshiba S06 SSID to 1179:ff7b - Fix ASUS G50V quirk name - Add ASUS N20 quirk Signed-off-by: Kailang Yang Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 99123a755a5d..e72707cb60a3 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -10383,7 +10383,7 @@ static struct snd_pci_quirk alc262_cfg_tbl[] = { SND_PCI_QUIRK(0x104d, 0x9015, "Sony 0x9015", ALC262_SONY_ASSAMD), SND_PCI_QUIRK(0x1179, 0x0001, "Toshiba dynabook SS RX1", ALC262_TOSHIBA_RX1), - SND_PCI_QUIRK(0x1179, 0x0268, "Toshiba S06", ALC262_TOSHIBA_S06), + SND_PCI_QUIRK(0x1179, 0xff7b, "Toshiba S06", ALC262_TOSHIBA_S06), SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu", ALC262_FUJITSU), SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FUJITSU), SND_PCI_QUIRK(0x144d, 0xc032, "Samsung Q1 Ultra", ALC262_ULTRA), @@ -15707,7 +15707,7 @@ static const char *alc662_models[ALC662_MODEL_LAST] = { static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1878, "ASUS M51VA", ALC663_ASUS_M51VA), - SND_PCI_QUIRK(0x1043, 0x19a3, "ASUS M51VA", ALC663_ASUS_G50V), + SND_PCI_QUIRK(0x1043, 0x19a3, "ASUS G50V", ALC663_ASUS_G50V), SND_PCI_QUIRK(0x1043, 0x8290, "ASUS P5GC-MX", ALC662_3ST_6ch_DIG), SND_PCI_QUIRK(0x1043, 0x82a1, "ASUS Eeepc", ALC662_ASUS_EEEPC_P701), SND_PCI_QUIRK(0x1043, 0x82d1, "ASUS Eeepc EP20", ALC662_ASUS_EEEPC_EP20), @@ -15720,6 +15720,7 @@ static struct snd_pci_quirk alc662_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x11d3, "ASUS NB", ALC663_ASUS_MODE1), SND_PCI_QUIRK(0x1043, 0x1203, "ASUS NB", ALC663_ASUS_MODE1), SND_PCI_QUIRK(0x1043, 0x19e3, "ASUS NB", ALC663_ASUS_MODE1), + SND_PCI_QUIRK(0x1043, 0x1993, "ASUS N20", ALC663_ASUS_MODE1), SND_PCI_QUIRK(0x1043, 0x19c3, "ASUS F5Z/F6x", ALC662_ASUS_MODE2), SND_PCI_QUIRK(0x1043, 0x1339, "ASUS NB", ALC662_ASUS_MODE2), SND_PCI_QUIRK(0x1043, 0x1913, "ASUS NB", ALC662_ASUS_MODE2), -- GitLab From 428ffb7151a4078994b5c01ecbf845954843c1ec Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Wed, 15 Oct 2008 10:07:23 +0800 Subject: [PATCH 4950/6244] ALSA: us122l: fix missing unlock in usb_stream_hwdep_vm_fault() Should unlock us122l->mutex before returning VM_FAULT_SIGBUS. Signed-off-by: Li Zefan Signed-off-by: Takashi Iwai --- sound/usb/usx2y/us122l.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index b441fe2cd190..c2515b680f9f 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -118,12 +118,11 @@ static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, void *vaddr; struct us122l *us122l = area->vm_private_data; struct usb_stream *s; - int vm_f = VM_FAULT_SIGBUS; mutex_lock(&us122l->mutex); s = us122l->sk.s; if (!s) - goto out; + goto unlock; offset = vmf->pgoff << PAGE_SHIFT; if (offset < PAGE_ALIGN(s->read_size)) @@ -131,7 +130,7 @@ static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, else { offset -= PAGE_ALIGN(s->read_size); if (offset >= PAGE_ALIGN(s->write_size)) - goto out; + goto unlock; vaddr = us122l->sk.write_page + offset; } @@ -141,9 +140,11 @@ static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area, mutex_unlock(&us122l->mutex); vmf->page = page; - vm_f = 0; -out: - return vm_f; + + return 0; +unlock: + mutex_unlock(&us122l->mutex); + return VM_FAULT_SIGBUS; } static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) -- GitLab From 255707274ea25d486b7de060a30ba4ac50593408 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Wed, 15 Oct 2008 09:09:21 +1100 Subject: [PATCH 4951/6244] md: build failure due to missing delay.h Today's linux-next build (powerpc ppc64_defconfig) failed like this: drivers/md/raid1.c: In function 'sync_request': drivers/md/raid1.c:1759: error: implicit declaration of function 'msleep_interruptible' make[3]: *** [drivers/md/raid1.o] Error 1 make[3]: *** Waiting for unfinished jobs.... drivers/md/raid10.c: In function 'sync_request': drivers/md/raid10.c:1749: error: implicit declaration of function 'msleep_interruptible' make[3]: *** [drivers/md/raid10.o] Error 1 drivers/md/md.c: In function 'md_do_sync': drivers/md/md.c:5915: error: implicit declaration of function 'msleep' Caused by commit 6caa3b0bbdb474647f6bdd8a958ffc46f78d8d58 ("md: Remove unnecessary #includes, #defines, and function declarations"). I added the following patch. Signed-off-by: Stephen Rothwell Signed-off-by: NeilBrown --- drivers/md/md.c | 1 + drivers/md/raid1.c | 1 + drivers/md/raid10.c | 1 + 3 files changed, 3 insertions(+) diff --git a/drivers/md/md.c b/drivers/md/md.c index be2014f6e37b..39c9c87a1342 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -44,6 +44,7 @@ #include #include #include +#include #define MAJOR_NR MD_MAJOR diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index b9764429d856..9c788e2489b1 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -32,6 +32,7 @@ */ #include "dm-bio-list.h" +#include #include #include diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index e3794799f308..da5129a24b18 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -19,6 +19,7 @@ */ #include "dm-bio-list.h" +#include #include #include -- GitLab From 598dca1f4c6ef83d1d9f77c2b0c027adb94c570a Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Wed, 15 Oct 2008 11:07:21 +0100 Subject: [PATCH 4952/6244] [ARM] 5306/1: pxa: fix build error on CM-X270 Fix build for CM-X2XX with CONFIG_RTC_DRV_V3020 unset: CC arch/arm/mach-pxa/cm-x270.o /mnt/sdb1/git/linux-2.6-arm/arch/arm/mach-pxa/cm-x270.c: In function 'cmx270_init': /mnt/sdb1/git/linux-2.6-arm/arch/arm/mach-pxa/cm-x270.c:338: error: implicit declaration of function 'cmx270_init_rtc' make[2]: *** [arch/arm/mach-pxa/cm-x270.o] Error 1 Signed-off-by: Mike Rapoport Signed-off-by: Russell King --- arch/arm/mach-pxa/cm-x270.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c index a82dad1a8cc8..df83b97f303f 100644 --- a/arch/arm/mach-pxa/cm-x270.c +++ b/arch/arm/mach-pxa/cm-x270.c @@ -162,7 +162,7 @@ static void __init cmx270_init_rtc(void) platform_device_register(&cmx270_rtc_device); } #else -static inline void cmx2xx_init_rtc(void) {} +static inline void cmx270_init_rtc(void) {} #endif /* 2700G graphics */ -- GitLab From af2010daf7538b1483280f7aefffe4bff67696c0 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Wed, 15 Oct 2008 11:37:35 +0100 Subject: [PATCH 4953/6244] [ARM] 5307/1: pxa: fix CM-X2XX PCMCIA build error Fix build error introduced by commit 27c4cae28148ad97baa2bf8275f7ebc9e2c37c34 [ARM] pxa: allow multi-machine PCMCIA builds MODPOST 76 modules ERROR: "cmx270_pcmcia_exit" [drivers/pcmcia/pxa2xx_cm_x2xx.ko] undefined! ERROR: "cmx255_pcmcia_exit" [drivers/pcmcia/pxa2xx_cm_x2xx.ko] undefined! ERROR: "cmx270_pcmcia_init" [drivers/pcmcia/pxa2xx_cm_x2xx.ko] undefined! ERROR: "cmx255_pcmcia_init" [drivers/pcmcia/pxa2xx_cm_x2xx.ko] undefined! make[2]: *** [__modpost] Error 1 make[1]: *** [modules] Error 2 make: *** [sub-make] Error 2 Signed-off-by: Mike Rapoport Signed-off-by: Russell King --- drivers/pcmcia/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 74d1c906c5d6..b46c60b72708 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -64,10 +64,11 @@ sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o pxa2xx_lubbock_cs-y += pxa2xx_lubbock.o sa1111_generic.o +pxa2xx_cm_x2xx_cs-y += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o pxa2xx-obj-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock_cs.o pxa2xx-obj-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx-obj-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o -pxa2xx-obj-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o +pxa2xx-obj-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x2xx_cs.o pxa2xx-obj-$(CONFIG_ARCH_VIPER) += pxa2xx_viper.o pxa2xx-obj-$(CONFIG_TRIZEPS_PCMCIA) += pxa2xx_trizeps.o pxa2xx-obj-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o -- GitLab From 201c72a3799af598d492c500259c9e18b7db321a Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 13 Oct 2008 13:41:55 +0100 Subject: [PATCH 4954/6244] MIPS: Have a heart for a lonely, lost header file ... ... and move it to where all its brothers and sisters reside. Requested by Shane McDonald . Signed-off-by: Ralf Baechle --- {include/asm-mips => arch/mips/include/asm}/cevt-r4k.h | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename {include/asm-mips => arch/mips/include/asm}/cevt-r4k.h (100%) diff --git a/include/asm-mips/cevt-r4k.h b/arch/mips/include/asm/cevt-r4k.h similarity index 100% rename from include/asm-mips/cevt-r4k.h rename to arch/mips/include/asm/cevt-r4k.h -- GitLab From 9b8f3863d958eaf8747d9daf89998b558bcd6e33 Mon Sep 17 00:00:00 2001 From: Johannes Dickgreber Date: Mon, 13 Oct 2008 19:33:32 +0200 Subject: [PATCH 4955/6244] MIPS: Fix wrong branch target in new spin_lock code. Signed-off-by: Johannes Dickgreber Signed-off-by: Ralf Baechle --- arch/mips/include/asm/spinlock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 5d98a3cb85b7..1a1f320c30d8 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -147,7 +147,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) " ori %[ticket], %[ticket], 0x2000 \n" " xori %[ticket], %[ticket], 0x2000 \n" " sc %[ticket], %[ticket_ptr] \n" - " beqzl %[ticket], 2f \n" + " beqzl %[ticket], 1b \n" : [ticket_ptr] "+m" (lock->lock), [ticket] "=&r" (tmp)); } else { -- GitLab From e47c659b55aff703a2a28e8bd01ee64948eeb417 Mon Sep 17 00:00:00 2001 From: Johannes Dickgreber Date: Mon, 13 Oct 2008 19:36:21 +0200 Subject: [PATCH 4956/6244] MIPS: show_cpuinfo prints the type of the calling CPU It should print the type of the Nth processor. Signed-off-by: Johannes Dickgreber Signed-off-by: Ralf Baechle --- arch/mips/kernel/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 75bb1300dd7a..26760cad8b69 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -39,7 +39,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "processor\t\t: %ld\n", n); sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n", cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : ""); - seq_printf(m, fmt, __cpu_name[smp_processor_id()], + seq_printf(m, fmt, __cpu_name[n], (version >> 4) & 0x0f, version & 0x0f, (fp_vers >> 4) & 0x0f, fp_vers & 0x0f); seq_printf(m, "BogoMIPS\t\t: %lu.%02lu\n", -- GitLab From 2dbac10263b2f3c561de68b4c369bc679352ccee Mon Sep 17 00:00:00 2001 From: David Daney Date: Mon, 13 Oct 2008 16:36:13 -0700 Subject: [PATCH 4957/6244] MIPS: Align .data.cacheline_aligned based on CONFIG_MIPS_L1_CACHE_SHIFT Signed-off-by: David Daney Signed-off-by: Tomaso Paoletti Signed-off-by: Ralf Baechle --- arch/mips/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index afb119f35682..58738c8d754f 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -104,7 +104,7 @@ SECTIONS . = ALIGN(_PAGE_SIZE); __nosave_end = .; - . = ALIGN(32); + . = ALIGN(1 << CONFIG_MIPS_L1_CACHE_SHIFT); .data.cacheline_aligned : { *(.data.cacheline_aligned) } -- GitLab From 91a385b8f2d0b4000fffb99b9411c1ffa926dc91 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 14 Oct 2008 11:42:10 +0200 Subject: [PATCH 4958/6244] MIPS: WGT634U: Add machine detection message This adds a printk message when a WGT634U machine is detected. Signed-off-by: Aurelien Jarno Signed-off-by: Ralf Baechle --- arch/mips/bcm47xx/wgt634u.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/mips/bcm47xx/wgt634u.c b/arch/mips/bcm47xx/wgt634u.c index d1d90c9ef2fa..f9e309a96576 100644 --- a/arch/mips/bcm47xx/wgt634u.c +++ b/arch/mips/bcm47xx/wgt634u.c @@ -112,6 +112,9 @@ static int __init wgt634u_init(void) ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) || (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) { struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; + + printk(KERN_INFO "WGT634U machine detected.\n"); + wgt634u_flash_data.width = mcore->flash_buswidth; wgt634u_flash_resource.start = mcore->flash_window; wgt634u_flash_resource.end = mcore->flash_window -- GitLab From d412283cef135811e1ed6c3840376c239f4920dd Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 14 Oct 2008 11:43:47 +0200 Subject: [PATCH 4959/6244] MIPS: BCM47xx: Remove references to BCM947XX This patch removes the remaining reference to the BCM947xx development board codename. Signed-off-by: Florian Fainelli Signed-off-by: Aurelien Jarno Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-bcm47xx/war.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/mips/include/asm/mach-bcm47xx/war.h b/arch/mips/include/asm/mach-bcm47xx/war.h index 4a2b7986b582..87cd4651dda3 100644 --- a/arch/mips/include/asm/mach-bcm47xx/war.h +++ b/arch/mips/include/asm/mach-bcm47xx/war.h @@ -5,8 +5,8 @@ * * Copyright (C) 2002, 2004, 2007 by Ralf Baechle */ -#ifndef __ASM_MIPS_MACH_BCM947XX_WAR_H -#define __ASM_MIPS_MACH_BCM947XX_WAR_H +#ifndef __ASM_MIPS_MACH_BCM47XX_WAR_H +#define __ASM_MIPS_MACH_BCM47XX_WAR_H #define R4600_V1_INDEX_ICACHEOP_WAR 0 #define R4600_V1_HIT_CACHEOP_WAR 0 @@ -22,4 +22,4 @@ #define R10000_LLSC_WAR 0 #define MIPS34K_MISSED_ITLB_WAR 0 -#endif /* __ASM_MIPS_MACH_BCM947XX_WAR_H */ +#endif /* __ASM_MIPS_MACH_BCM47XX_WAR_H */ -- GitLab From b06f3e19a673e44ff56ce265600c5c6eb99aa914 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 14 Oct 2008 11:44:26 +0200 Subject: [PATCH 4960/6244] MIPS: BCM47xx: Use the new SSB GPIO API This patch simplifies the BCM47xx GPIO code by using the new SSB GPIO API, which does a lot things that were implemented directly in the BCM47xx code. Signed-off-by: Aurelien Jarno Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 1 + arch/mips/bcm47xx/gpio.c | 85 +++++++++-------------- arch/mips/bcm47xx/setup.c | 5 +- arch/mips/include/asm/mach-bcm47xx/gpio.h | 41 ++++++----- 4 files changed, 58 insertions(+), 74 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cd5fbf6f0784..b905744d7915 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -52,6 +52,7 @@ config BCM47XX select SSB select SSB_DRIVER_MIPS select SSB_DRIVER_EXTIF + select SSB_EMBEDDED select SSB_PCICORE_HOSTMODE if PCI select GENERIC_GPIO select SYS_HAS_EARLY_PRINTK diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c index f5a53acf995a..9b798800258c 100644 --- a/arch/mips/bcm47xx/gpio.c +++ b/arch/mips/bcm47xx/gpio.c @@ -12,68 +12,51 @@ #include #include -int bcm47xx_gpio_to_irq(unsigned gpio) +#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES) +static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES); +#else +static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); +#endif + +int gpio_request(unsigned gpio, const char *tag) { - if (ssb_bcm47xx.chipco.dev) - return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2; - else if (ssb_bcm47xx.extif.dev) - return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2; - else + if (ssb_chipco_available(&ssb_bcm47xx.chipco) && + ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) return -EINVAL; -} -EXPORT_SYMBOL_GPL(bcm47xx_gpio_to_irq); -int bcm47xx_gpio_get_value(unsigned gpio) -{ - if (ssb_bcm47xx.chipco.dev) - return ssb_chipco_gpio_in(&ssb_bcm47xx.chipco, 1 << gpio); - else if (ssb_bcm47xx.extif.dev) - return ssb_extif_gpio_in(&ssb_bcm47xx.extif, 1 << gpio); - else - return 0; -} -EXPORT_SYMBOL_GPL(bcm47xx_gpio_get_value); + if (ssb_extif_available(&ssb_bcm47xx.extif) && + ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) + return -EINVAL; -void bcm47xx_gpio_set_value(unsigned gpio, int value) -{ - if (ssb_bcm47xx.chipco.dev) - ssb_chipco_gpio_out(&ssb_bcm47xx.chipco, - 1 << gpio, - value ? 1 << gpio : 0); - else if (ssb_bcm47xx.extif.dev) - ssb_extif_gpio_out(&ssb_bcm47xx.extif, - 1 << gpio, - value ? 1 << gpio : 0); -} -EXPORT_SYMBOL_GPL(bcm47xx_gpio_set_value); + if (test_and_set_bit(gpio, gpio_in_use)) + return -EBUSY; -int bcm47xx_gpio_direction_input(unsigned gpio) -{ - if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES)) - ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco, - 1 << gpio, 0); - else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES)) - ssb_extif_gpio_outen(&ssb_bcm47xx.extif, - 1 << gpio, 0); - else - return -EINVAL; return 0; } -EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_input); +EXPORT_SYMBOL(gpio_request); -int bcm47xx_gpio_direction_output(unsigned gpio, int value) +void gpio_free(unsigned gpio) { - bcm47xx_gpio_set_value(gpio, value); + if (ssb_chipco_available(&ssb_bcm47xx.chipco) && + ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) + return; + + if (ssb_extif_available(&ssb_bcm47xx.extif) && + ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) + return; + + clear_bit(gpio, gpio_in_use); +} +EXPORT_SYMBOL(gpio_free); - if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES)) - ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco, - 1 << gpio, 1 << gpio); - else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES)) - ssb_extif_gpio_outen(&ssb_bcm47xx.extif, - 1 << gpio, 1 << gpio); +int gpio_to_irq(unsigned gpio) +{ + if (ssb_chipco_available(&ssb_bcm47xx.chipco)) + return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2; + else if (ssb_extif_available(&ssb_bcm47xx.extif)) + return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2; else return -EINVAL; - return 0; } -EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output); +EXPORT_SYMBOL_GPL(gpio_to_irq); diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 8d36f186890e..2f580fa160c9 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -27,6 +27,7 @@ #include #include +#include #include #include #include @@ -41,7 +42,7 @@ static void bcm47xx_machine_restart(char *command) printk(KERN_ALERT "Please stand by while rebooting the system...\n"); local_irq_disable(); /* Set the watchdog timer to reset immediately */ - ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1); + ssb_watchdog_timer_set(&ssb_bcm47xx, 1); while (1) cpu_relax(); } @@ -50,7 +51,7 @@ static void bcm47xx_machine_halt(void) { /* Disable interrupts and watchdog and spin forever */ local_irq_disable(); - ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0); + ssb_watchdog_timer_set(&ssb_bcm47xx, 0); while (1) cpu_relax(); } diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h index cfc8f4d618ce..d8ff4cd89ab5 100644 --- a/arch/mips/include/asm/mach-bcm47xx/gpio.h +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -9,47 +9,46 @@ #ifndef __BCM47XX_GPIO_H #define __BCM47XX_GPIO_H +#include +#include + #define BCM47XX_EXTIF_GPIO_LINES 5 #define BCM47XX_CHIPCO_GPIO_LINES 16 -extern int bcm47xx_gpio_to_irq(unsigned gpio); -extern int bcm47xx_gpio_get_value(unsigned gpio); -extern void bcm47xx_gpio_set_value(unsigned gpio, int value); -extern int bcm47xx_gpio_direction_input(unsigned gpio); -extern int bcm47xx_gpio_direction_output(unsigned gpio, int value); - -static inline int gpio_request(unsigned gpio, const char *label) -{ - return 0; -} +extern int gpio_request(unsigned gpio, const char *label); +extern void gpio_free(unsigned gpio); +extern int gpio_to_irq(unsigned gpio); -static inline void gpio_free(unsigned gpio) +static inline int gpio_get_value(unsigned gpio) { + return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio); } -static inline int gpio_to_irq(unsigned gpio) +static inline void gpio_set_value(unsigned gpio, int value) { - return bcm47xx_gpio_to_irq(gpio); + ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0); } -static inline int gpio_get_value(unsigned gpio) +static inline int gpio_direction_input(unsigned gpio) { - return bcm47xx_gpio_get_value(gpio); + return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0); } -static inline void gpio_set_value(unsigned gpio, int value) +static inline int gpio_direction_output(unsigned gpio, int value) { - bcm47xx_gpio_set_value(gpio, value); + return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio); } -static inline int gpio_direction_input(unsigned gpio) +static int gpio_intmask(unsigned gpio, int value) { - return bcm47xx_gpio_direction_input(gpio); + return ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio, + value ? 1 << gpio : 0); } -static inline int gpio_direction_output(unsigned gpio, int value) +static int gpio_polarity(unsigned gpio, int value) { - return bcm47xx_gpio_direction_output(gpio, value); + return ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio, + value ? 1 << gpio : 0); } -- GitLab From 89f8c04a49019eeb3998f9f0990256aec146fe9d Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 14 Oct 2008 11:44:43 +0200 Subject: [PATCH 4961/6244] MIPS: WGT634U: Add reset button support This patch adds support for the reset button of WGT634U machine, using GPIO interrupts. Based on a patch from Michel Lespinasse. Signed-off-by: Aurelien Jarno Signed-off-by: Ralf Baechle --- arch/mips/bcm47xx/wgt634u.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/mips/bcm47xx/wgt634u.c b/arch/mips/bcm47xx/wgt634u.c index f9e309a96576..ef00e7f58c24 100644 --- a/arch/mips/bcm47xx/wgt634u.c +++ b/arch/mips/bcm47xx/wgt634u.c @@ -11,6 +11,9 @@ #include #include #include +#include +#include +#include #include /* GPIO definitions for the WGT634U */ @@ -99,6 +102,30 @@ static struct platform_device *wgt634u_devices[] __initdata = { &wgt634u_gpio_leds, }; +static irqreturn_t gpio_interrupt(int irq, void *ignored) +{ + int state; + + /* Interrupts are shared, check if the current one is + a GPIO interrupt. */ + if (!ssb_chipco_irq_status(&ssb_bcm47xx.chipco, + SSB_CHIPCO_IRQ_GPIO)) + return IRQ_NONE; + + state = gpio_get_value(WGT634U_GPIO_RESET); + + /* Interrupt are level triggered, revert the interrupt polarity + to clear the interrupt. */ + gpio_polarity(WGT634U_GPIO_RESET, state); + + if (!state) { + printk(KERN_INFO "Reset button pressed"); + ctrl_alt_del(); + } + + return IRQ_HANDLED; +} + static int __init wgt634u_init(void) { /* There is no easy way to detect that we are running on a WGT634U @@ -115,6 +142,16 @@ static int __init wgt634u_init(void) printk(KERN_INFO "WGT634U machine detected.\n"); + if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET), + gpio_interrupt, IRQF_SHARED, + "WGT634U GPIO", &ssb_bcm47xx.chipco)) { + gpio_direction_input(WGT634U_GPIO_RESET); + gpio_intmask(WGT634U_GPIO_RESET, 1); + ssb_chipco_irq_mask(&ssb_bcm47xx.chipco, + SSB_CHIPCO_IRQ_GPIO, + SSB_CHIPCO_IRQ_GPIO); + } + wgt634u_flash_data.width = mcore->flash_buswidth; wgt634u_flash_resource.start = mcore->flash_window; wgt634u_flash_resource.end = mcore->flash_window -- GitLab From 540799e32eb146c9363445d1118b2bfdebd3da0b Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Tue, 14 Oct 2008 11:45:09 +0200 Subject: [PATCH 4962/6244] MIPS: PCI: Scan busses when they are registered The patch below changes register_pci_controller() such that controllers being added after pcibios_init() has run are be scanned immediately. This is needed for example by the BCM47xx PCI controller, which is located on the SSB bus, which is now initialized after the PCI subsystem. Signed-off-by: Aurelien Jarno Signed-off-by: Ralf Baechle --- arch/mips/pci/pci.c | 80 ++++++++++++++++++++++++++++++--------------- 1 file changed, 53 insertions(+), 27 deletions(-) diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index c7fe6ec621e6..a377e9d2d029 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -34,6 +34,8 @@ static struct pci_controller *hose_head, **hose_tail = &hose_head; unsigned long PCIBIOS_MIN_IO = 0x0000; unsigned long PCIBIOS_MIN_MEM = 0; +static int pci_initialized; + /* * We need to avoid collisions with `mirrored' VGA ports * and other strange ISA hardware, so we always want the @@ -74,6 +76,42 @@ pcibios_align_resource(void *data, struct resource *res, res->start = start; } +static void __devinit pcibios_scanbus(struct pci_controller *hose) +{ + static int next_busno; + static int need_domain_info; + struct pci_bus *bus; + + if (!hose->iommu) + PCI_DMA_BUS_IS_PHYS = 1; + + if (hose->get_busno && pci_probe_only) + next_busno = (*hose->get_busno)(); + + bus = pci_scan_bus(next_busno, hose->pci_ops, hose); + hose->bus = bus; + + need_domain_info = need_domain_info || hose->index; + hose->need_domain_info = need_domain_info; + if (bus) { + next_busno = bus->subordinate + 1; + /* Don't allow 8-bit bus number overflow inside the hose - + reserve some space for bridges. */ + if (next_busno > 224) { + next_busno = 0; + need_domain_info = 1; + } + + if (!pci_probe_only) { + pci_bus_size_bridges(bus); + pci_bus_assign_resources(bus); + pci_enable_bridges(bus); + } + } +} + +static DEFINE_MUTEX(pci_scan_mutex); + void __devinit register_pci_controller(struct pci_controller *hose) { if (request_resource(&iomem_resource, hose->mem_resource) < 0) @@ -93,6 +131,17 @@ void __devinit register_pci_controller(struct pci_controller *hose) printk(KERN_WARNING "registering PCI controller with io_map_base unset\n"); } + + /* + * Scan the bus if it is register after the PCI subsystem + * initialization. + */ + if (pci_initialized) { + mutex_lock(&pci_scan_mutex); + pcibios_scanbus(hose); + mutex_unlock(&pci_scan_mutex); + } + return; out: @@ -125,38 +174,15 @@ static u8 __init common_swizzle(struct pci_dev *dev, u8 *pinp) static int __init pcibios_init(void) { struct pci_controller *hose; - struct pci_bus *bus; - int next_busno; - int need_domain_info = 0; /* Scan all of the recorded PCI controllers. */ - for (next_busno = 0, hose = hose_head; hose; hose = hose->next) { - - if (!hose->iommu) - PCI_DMA_BUS_IS_PHYS = 1; - - if (hose->get_busno && pci_probe_only) - next_busno = (*hose->get_busno)(); - - bus = pci_scan_bus(next_busno, hose->pci_ops, hose); - hose->bus = bus; - need_domain_info = need_domain_info || hose->index; - hose->need_domain_info = need_domain_info; - if (bus) { - next_busno = bus->subordinate + 1; - /* Don't allow 8-bit bus number overflow inside the hose - - reserve some space for bridges. */ - if (next_busno > 224) { - next_busno = 0; - need_domain_info = 1; - } - } - } + for (hose = hose_head; hose; hose = hose->next) + pcibios_scanbus(hose); - if (!pci_probe_only) - pci_assign_unassigned_resources(); pci_fixup_irqs(common_swizzle, pcibios_map_irq); + pci_initialized = 1; + return 0; } -- GitLab From 7d81a5e03ddbb44d05a32cad4a46a23577216497 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 14 Oct 2008 17:16:55 +0200 Subject: [PATCH 4963/6244] MIPS: IP22/28: Switch over to RTC class driver This patchset removes some dead code and creates a platform device for the RTC class driver. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-ip22/ds1286.h | 18 ------- arch/mips/include/asm/mach-ip28/ds1286.h | 4 -- arch/mips/sgi-ip22/ip22-platform.c | 15 ++++++ arch/mips/sgi-ip22/ip22-setup.c | 1 - arch/mips/sgi-ip22/ip22-time.c | 64 ------------------------ include/linux/ds1286.h | 2 - 6 files changed, 15 insertions(+), 89 deletions(-) delete mode 100644 arch/mips/include/asm/mach-ip22/ds1286.h delete mode 100644 arch/mips/include/asm/mach-ip28/ds1286.h diff --git a/arch/mips/include/asm/mach-ip22/ds1286.h b/arch/mips/include/asm/mach-ip22/ds1286.h deleted file mode 100644 index f19f1eafbc71..000000000000 --- a/arch/mips/include/asm/mach-ip22/ds1286.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998, 2001, 03 by Ralf Baechle - * - * RTC routines for PC style attached Dallas chip. - */ -#ifndef __ASM_MACH_IP22_DS1286_H -#define __ASM_MACH_IP22_DS1286_H - -#include - -#define rtc_read(reg) (hpc3c0->rtcregs[(reg)] & 0xff) -#define rtc_write(data, reg) do { hpc3c0->rtcregs[(reg)] = (data); } while(0) - -#endif /* __ASM_MACH_IP22_DS1286_H */ diff --git a/arch/mips/include/asm/mach-ip28/ds1286.h b/arch/mips/include/asm/mach-ip28/ds1286.h deleted file mode 100644 index 471bb9a33e0f..000000000000 --- a/arch/mips/include/asm/mach-ip28/ds1286.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASM_MACH_IP28_DS1286_H -#define __ASM_MACH_IP28_DS1286_H -#include -#endif /* __ASM_MACH_IP28_DS1286_H */ diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c index 52486c4d2b01..deddbf0ebe5c 100644 --- a/arch/mips/sgi-ip22/ip22-platform.c +++ b/arch/mips/sgi-ip22/ip22-platform.c @@ -192,3 +192,18 @@ static int __init sgi_button_devinit(void) } device_initcall(sgi_button_devinit); + +static int __init sgi_ds1286_devinit(void) +{ + struct resource res; + + memset(&res, 0, sizeof(res)); + res.start = HPC3_CHIP0_BASE + offsetof(struct hpc3_regs, rtcregs); + res.end = res.start + sizeof(hpc3c0->rtcregs) - 1; + res.flags = IORESOURCE_MEM; + + return IS_ERR(platform_device_register_simple("rtc-ds1286", -1, + &res, 1)); +} + +device_initcall(sgi_ds1286_devinit); diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c index 896a1ef84829..b9a931358e23 100644 --- a/arch/mips/sgi-ip22/ip22-setup.c +++ b/arch/mips/sgi-ip22/ip22-setup.c @@ -4,7 +4,6 @@ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1997, 1998 Ralf Baechle (ralf@gnu.org) */ -#include #include #include #include diff --git a/arch/mips/sgi-ip22/ip22-time.c b/arch/mips/sgi-ip22/ip22-time.c index 10e505491655..3dcb27ec0c53 100644 --- a/arch/mips/sgi-ip22/ip22-time.c +++ b/arch/mips/sgi-ip22/ip22-time.c @@ -10,7 +10,6 @@ * Copyright (C) 2003, 06 Ralf Baechle (ralf@linux-mips.org) */ #include -#include #include #include #include @@ -29,69 +28,6 @@ #include #include -/* - * Note that mktime uses month from 1 to 12 while rtc_time_to_tm - * uses 0 to 11. - */ -unsigned long read_persistent_clock(void) -{ - unsigned int yrs, mon, day, hrs, min, sec; - unsigned int save_control; - unsigned long flags; - - spin_lock_irqsave(&rtc_lock, flags); - save_control = hpc3c0->rtcregs[RTC_CMD] & 0xff; - hpc3c0->rtcregs[RTC_CMD] = save_control | RTC_TE; - - sec = BCD2BIN(hpc3c0->rtcregs[RTC_SECONDS] & 0xff); - min = BCD2BIN(hpc3c0->rtcregs[RTC_MINUTES] & 0xff); - hrs = BCD2BIN(hpc3c0->rtcregs[RTC_HOURS] & 0x3f); - day = BCD2BIN(hpc3c0->rtcregs[RTC_DATE] & 0xff); - mon = BCD2BIN(hpc3c0->rtcregs[RTC_MONTH] & 0x1f); - yrs = BCD2BIN(hpc3c0->rtcregs[RTC_YEAR] & 0xff); - - hpc3c0->rtcregs[RTC_CMD] = save_control; - spin_unlock_irqrestore(&rtc_lock, flags); - - if (yrs < 45) - yrs += 30; - if ((yrs += 40) < 70) - yrs += 100; - - return mktime(yrs + 1900, mon, day, hrs, min, sec); -} - -int rtc_mips_set_time(unsigned long tim) -{ - struct rtc_time tm; - unsigned int save_control; - unsigned long flags; - - rtc_time_to_tm(tim, &tm); - - tm.tm_mon += 1; /* tm_mon starts at zero */ - tm.tm_year -= 40; - if (tm.tm_year >= 100) - tm.tm_year -= 100; - - spin_lock_irqsave(&rtc_lock, flags); - save_control = hpc3c0->rtcregs[RTC_CMD] & 0xff; - hpc3c0->rtcregs[RTC_CMD] = save_control | RTC_TE; - - hpc3c0->rtcregs[RTC_YEAR] = BIN2BCD(tm.tm_year); - hpc3c0->rtcregs[RTC_MONTH] = BIN2BCD(tm.tm_mon); - hpc3c0->rtcregs[RTC_DATE] = BIN2BCD(tm.tm_mday); - hpc3c0->rtcregs[RTC_HOURS] = BIN2BCD(tm.tm_hour); - hpc3c0->rtcregs[RTC_MINUTES] = BIN2BCD(tm.tm_min); - hpc3c0->rtcregs[RTC_SECONDS] = BIN2BCD(tm.tm_sec); - hpc3c0->rtcregs[RTC_HUNDREDTH_SECOND] = 0; - - hpc3c0->rtcregs[RTC_CMD] = save_control; - spin_unlock_irqrestore(&rtc_lock, flags); - - return 0; -} - static unsigned long dosample(void) { u32 ct0, ct1; diff --git a/include/linux/ds1286.h b/include/linux/ds1286.h index d8989860e4ce..45ea0aa0aeb9 100644 --- a/include/linux/ds1286.h +++ b/include/linux/ds1286.h @@ -8,8 +8,6 @@ #ifndef __LINUX_DS1286_H #define __LINUX_DS1286_H -#include - /********************************************************************** * register summary **********************************************************************/ -- GitLab From 5f119f29063c9a9bf1ab40112c02710c2db84f29 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 14 Oct 2008 17:16:59 +0200 Subject: [PATCH 4964/6244] MIPS: DS1286: New RTC driver This driver replaces the broken DS1286 driver in drivers/char and gives back RTC support for SGI IP22 and IP28 machines. Signed-off-by: Thomas Bogendoerfer Acked-by: Alessandro Zummo Signed-off-by: Ralf Baechle --- drivers/rtc/Kconfig | 5 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-ds1286.c | 409 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 415 insertions(+) create mode 100644 drivers/rtc/rtc-ds1286.c diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index b57fba5c6d02..24217008aa35 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -352,6 +352,11 @@ config RTC_DRV_DS1216 help If you say yes here you get support for the Dallas DS1216 RTC chips. +config RTC_DRV_DS1286 + tristate "Dallas DS1286" + help + If you say yes here you get support for the Dallas DS1286 RTC chips. + config RTC_DRV_DS1302 tristate "Dallas DS1302" depends on SH_SECUREEDGE5410 diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 10f41f85c38a..a3208082565c 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_RTC_DRV_AT91SAM9) += rtc-at91sam9.o obj-$(CONFIG_RTC_DRV_BFIN) += rtc-bfin.o obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o obj-$(CONFIG_RTC_DRV_DS1216) += rtc-ds1216.o +obj-$(CONFIG_RTC_DRV_DS1286) += rtc-ds1286.o obj-$(CONFIG_RTC_DRV_DS1302) += rtc-ds1302.o obj-$(CONFIG_RTC_DRV_DS1305) += rtc-ds1305.o obj-$(CONFIG_RTC_DRV_DS1307) += rtc-ds1307.o diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c new file mode 100644 index 000000000000..4b4c1b6a4187 --- /dev/null +++ b/drivers/rtc/rtc-ds1286.c @@ -0,0 +1,409 @@ +/* + * DS1286 Real Time Clock interface for Linux + * + * Copyright (C) 1998, 1999, 2000 Ralf Baechle + * Copyright (C) 2008 Thomas Bogendoerfer + * + * Based on code written by Paul Gortmaker. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include + +#define DRV_VERSION "1.0" + +struct ds1286_priv { + struct rtc_device *rtc; + u32 __iomem *rtcregs; + size_t size; + unsigned long baseaddr; + spinlock_t lock; +}; + +static inline u8 ds1286_rtc_read(struct ds1286_priv *priv, int reg) +{ + return __raw_readl(&priv->rtcregs[reg]) & 0xff; +} + +static inline void ds1286_rtc_write(struct ds1286_priv *priv, u8 data, int reg) +{ + __raw_writel(data, &priv->rtcregs[reg]); +} + +#ifdef CONFIG_RTC_INTF_DEV + +static int ds1286_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned long flags; + unsigned char val; + + switch (cmd) { + case RTC_AIE_OFF: + /* Mask alarm int. enab. bit */ + spin_lock_irqsave(&priv->lock, flags); + val = ds1286_rtc_read(priv, RTC_CMD); + val |= RTC_TDM; + ds1286_rtc_write(priv, val, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + break; + case RTC_AIE_ON: + /* Allow alarm interrupts. */ + spin_lock_irqsave(&priv->lock, flags); + val = ds1286_rtc_read(priv, RTC_CMD); + val &= ~RTC_TDM; + ds1286_rtc_write(priv, val, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + break; + case RTC_WIE_OFF: + /* Mask watchdog int. enab. bit */ + spin_lock_irqsave(&priv->lock, flags); + val = ds1286_rtc_read(priv, RTC_CMD); + val |= RTC_WAM; + ds1286_rtc_write(priv, val, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + break; + case RTC_WIE_ON: + /* Allow watchdog interrupts. */ + spin_lock_irqsave(&priv->lock, flags); + val = ds1286_rtc_read(priv, RTC_CMD); + val &= ~RTC_WAM; + ds1286_rtc_write(priv, val, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + break; + default: + return -ENOIOCTLCMD; + } + return 0; +} + +#else +#define ds1286_ioctl NULL +#endif + +#ifdef CONFIG_PROC_FS + +static int ds1286_proc(struct device *dev, struct seq_file *seq) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned char month, cmd, amode; + const char *s; + + month = ds1286_rtc_read(priv, RTC_MONTH); + seq_printf(seq, + "oscillator\t: %s\n" + "square_wave\t: %s\n", + (month & RTC_EOSC) ? "disabled" : "enabled", + (month & RTC_ESQW) ? "disabled" : "enabled"); + + amode = ((ds1286_rtc_read(priv, RTC_MINUTES_ALARM) & 0x80) >> 5) | + ((ds1286_rtc_read(priv, RTC_HOURS_ALARM) & 0x80) >> 6) | + ((ds1286_rtc_read(priv, RTC_DAY_ALARM) & 0x80) >> 7); + switch (amode) { + case 7: + s = "each minute"; + break; + case 3: + s = "minutes match"; + break; + case 1: + s = "hours and minutes match"; + break; + case 0: + s = "days, hours and minutes match"; + break; + default: + s = "invalid"; + break; + } + seq_printf(seq, "alarm_mode\t: %s\n", s); + + cmd = ds1286_rtc_read(priv, RTC_CMD); + seq_printf(seq, + "alarm_enable\t: %s\n" + "wdog_alarm\t: %s\n" + "alarm_mask\t: %s\n" + "wdog_alarm_mask\t: %s\n" + "interrupt_mode\t: %s\n" + "INTB_mode\t: %s_active\n" + "interrupt_pins\t: %s\n", + (cmd & RTC_TDF) ? "yes" : "no", + (cmd & RTC_WAF) ? "yes" : "no", + (cmd & RTC_TDM) ? "disabled" : "enabled", + (cmd & RTC_WAM) ? "disabled" : "enabled", + (cmd & RTC_PU_LVL) ? "pulse" : "level", + (cmd & RTC_IBH_LO) ? "low" : "high", + (cmd & RTC_IPSW) ? "unswapped" : "swapped"); + return 0; +} + +#else +#define ds1286_proc NULL +#endif + +static int ds1286_read_time(struct device *dev, struct rtc_time *tm) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned char save_control; + unsigned long flags; + unsigned long uip_watchdog = jiffies; + + /* + * read RTC once any update in progress is done. The update + * can take just over 2ms. We wait 10 to 20ms. There is no need to + * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP. + * If you need to know *exactly* when a second has started, enable + * periodic update complete interrupts, (via ioctl) and then + * immediately read /dev/rtc which will block until you get the IRQ. + * Once the read clears, read the RTC time (again via ioctl). Easy. + */ + + if (ds1286_rtc_read(priv, RTC_CMD) & RTC_TE) + while (time_before(jiffies, uip_watchdog + 2*HZ/100)) + barrier(); + + /* + * Only the values that we read from the RTC are set. We leave + * tm_wday, tm_yday and tm_isdst untouched. Even though the + * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated + * by the RTC when initially set to a non-zero value. + */ + spin_lock_irqsave(&priv->lock, flags); + save_control = ds1286_rtc_read(priv, RTC_CMD); + ds1286_rtc_write(priv, (save_control|RTC_TE), RTC_CMD); + + tm->tm_sec = ds1286_rtc_read(priv, RTC_SECONDS); + tm->tm_min = ds1286_rtc_read(priv, RTC_MINUTES); + tm->tm_hour = ds1286_rtc_read(priv, RTC_HOURS) & 0x3f; + tm->tm_mday = ds1286_rtc_read(priv, RTC_DATE); + tm->tm_mon = ds1286_rtc_read(priv, RTC_MONTH) & 0x1f; + tm->tm_year = ds1286_rtc_read(priv, RTC_YEAR); + + ds1286_rtc_write(priv, save_control, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + + tm->tm_sec = bcd2bin(tm->tm_sec); + tm->tm_min = bcd2bin(tm->tm_min); + tm->tm_hour = bcd2bin(tm->tm_hour); + tm->tm_mday = bcd2bin(tm->tm_mday); + tm->tm_mon = bcd2bin(tm->tm_mon); + tm->tm_year = bcd2bin(tm->tm_year); + + /* + * Account for differences between how the RTC uses the values + * and how they are defined in a struct rtc_time; + */ + if (tm->tm_year < 45) + tm->tm_year += 30; + tm->tm_year += 40; + if (tm->tm_year < 70) + tm->tm_year += 100; + + tm->tm_mon--; + + return rtc_valid_tm(tm); +} + +static int ds1286_set_time(struct device *dev, struct rtc_time *tm) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned char mon, day, hrs, min, sec; + unsigned char save_control; + unsigned int yrs; + unsigned long flags; + + yrs = tm->tm_year + 1900; + mon = tm->tm_mon + 1; /* tm_mon starts at zero */ + day = tm->tm_mday; + hrs = tm->tm_hour; + min = tm->tm_min; + sec = tm->tm_sec; + + if (yrs < 1970) + return -EINVAL; + + yrs -= 1940; + if (yrs > 255) /* They are unsigned */ + return -EINVAL; + + if (yrs >= 100) + yrs -= 100; + + sec = bin2bcd(sec); + min = bin2bcd(min); + hrs = bin2bcd(hrs); + day = bin2bcd(day); + mon = bin2bcd(mon); + yrs = bin2bcd(yrs); + + spin_lock_irqsave(&priv->lock, flags); + save_control = ds1286_rtc_read(priv, RTC_CMD); + ds1286_rtc_write(priv, (save_control|RTC_TE), RTC_CMD); + + ds1286_rtc_write(priv, yrs, RTC_YEAR); + ds1286_rtc_write(priv, mon, RTC_MONTH); + ds1286_rtc_write(priv, day, RTC_DATE); + ds1286_rtc_write(priv, hrs, RTC_HOURS); + ds1286_rtc_write(priv, min, RTC_MINUTES); + ds1286_rtc_write(priv, sec, RTC_SECONDS); + ds1286_rtc_write(priv, 0, RTC_HUNDREDTH_SECOND); + + ds1286_rtc_write(priv, save_control, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + return 0; +} + +static int ds1286_read_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned char cmd; + unsigned long flags; + + /* + * Only the values that we read from the RTC are set. That + * means only tm_wday, tm_hour, tm_min. + */ + spin_lock_irqsave(&priv->lock, flags); + alm->time.tm_min = ds1286_rtc_read(priv, RTC_MINUTES_ALARM) & 0x7f; + alm->time.tm_hour = ds1286_rtc_read(priv, RTC_HOURS_ALARM) & 0x1f; + alm->time.tm_wday = ds1286_rtc_read(priv, RTC_DAY_ALARM) & 0x07; + cmd = ds1286_rtc_read(priv, RTC_CMD); + spin_unlock_irqrestore(&priv->lock, flags); + + alm->time.tm_min = bcd2bin(alm->time.tm_min); + alm->time.tm_hour = bcd2bin(alm->time.tm_hour); + alm->time.tm_sec = 0; + return 0; +} + +static int ds1286_set_alarm(struct device *dev, struct rtc_wkalrm *alm) +{ + struct ds1286_priv *priv = dev_get_drvdata(dev); + unsigned char hrs, min, sec; + + hrs = alm->time.tm_hour; + min = alm->time.tm_min; + sec = alm->time.tm_sec; + + if (hrs >= 24) + hrs = 0xff; + + if (min >= 60) + min = 0xff; + + if (sec != 0) + return -EINVAL; + + min = bin2bcd(min); + hrs = bin2bcd(hrs); + + spin_lock(&priv->lock); + ds1286_rtc_write(priv, hrs, RTC_HOURS_ALARM); + ds1286_rtc_write(priv, min, RTC_MINUTES_ALARM); + spin_unlock(&priv->lock); + + return 0; +} + +static const struct rtc_class_ops ds1286_ops = { + .ioctl = ds1286_ioctl, + .proc = ds1286_proc, + .read_time = ds1286_read_time, + .set_time = ds1286_set_time, + .read_alarm = ds1286_read_alarm, + .set_alarm = ds1286_set_alarm, +}; + +static int __devinit ds1286_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + struct resource *res; + struct ds1286_priv *priv; + int ret = 0; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + priv = kzalloc(sizeof(struct ds1286_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->size = res->end - res->start + 1; + if (!request_mem_region(res->start, priv->size, pdev->name)) { + ret = -EBUSY; + goto out; + } + priv->baseaddr = res->start; + priv->rtcregs = ioremap(priv->baseaddr, priv->size); + if (!priv->rtcregs) { + ret = -ENOMEM; + goto out; + } + spin_lock_init(&priv->lock); + rtc = rtc_device_register("ds1286", &pdev->dev, + &ds1286_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + goto out; + } + priv->rtc = rtc; + platform_set_drvdata(pdev, priv); + return 0; + +out: + if (priv->rtc) + rtc_device_unregister(priv->rtc); + if (priv->rtcregs) + iounmap(priv->rtcregs); + if (priv->baseaddr) + release_mem_region(priv->baseaddr, priv->size); + kfree(priv); + return ret; +} + +static int __devexit ds1286_remove(struct platform_device *pdev) +{ + struct ds1286_priv *priv = platform_get_drvdata(pdev); + + rtc_device_unregister(priv->rtc); + iounmap(priv->rtcregs); + release_mem_region(priv->baseaddr, priv->size); + kfree(priv); + return 0; +} + +static struct platform_driver ds1286_platform_driver = { + .driver = { + .name = "rtc-ds1286", + .owner = THIS_MODULE, + }, + .probe = ds1286_probe, + .remove = __devexit_p(ds1286_remove), +}; + +static int __init ds1286_init(void) +{ + return platform_driver_register(&ds1286_platform_driver); +} + +static void __exit ds1286_exit(void) +{ + platform_driver_unregister(&ds1286_platform_driver); +} + +MODULE_AUTHOR("Thomas Bogendoerfer "); +MODULE_DESCRIPTION("DS1286 RTC driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); +MODULE_ALIAS("platform:rtc-ds1286"); + +module_init(ds1286_init); +module_exit(ds1286_exit); -- GitLab From 3ec066cdb75fb0ece5d4cc1ddfa93392f0f6498a Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 14 Oct 2008 17:17:28 +0200 Subject: [PATCH 4965/6244] MIPS: IP27: Switch over to RTC class driver This patchset removes some dead code and creates a platform device for the RTC class driver. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/sgi-ip27/ip27-timer.c | 99 ++++++++------------------------- 1 file changed, 22 insertions(+), 77 deletions(-) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 8b4e854af925..1327c2746fb7 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -13,12 +13,12 @@ #include #include #include +#include #include #include #include #include -#include #include #include #include @@ -28,51 +28,6 @@ #define TICK_SIZE (tick_nsec / 1000) -#if 0 -static int set_rtc_mmss(unsigned long nowtime) -{ - int retval = 0; - int real_seconds, real_minutes, cmos_minutes; - struct m48t35_rtc *rtc; - nasid_t nid; - - nid = get_nasid(); - rtc = (struct m48t35_rtc *)(KL_CONFIG_CH_CONS_INFO(nid)->memory_base + - IOC3_BYTEBUS_DEV0); - - rtc->control |= M48T35_RTC_READ; - cmos_minutes = BCD2BIN(rtc->min); - rtc->control &= ~M48T35_RTC_READ; - - /* - * Since we're only adjusting minutes and seconds, don't interfere with - * hour overflow. This avoids messing with unknown time zones but - * requires your RTC not to be off by more than 15 minutes - */ - real_seconds = nowtime % 60; - real_minutes = nowtime / 60; - if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) - real_minutes += 30; /* correct for half hour time zone */ - real_minutes %= 60; - - if (abs(real_minutes - cmos_minutes) < 30) { - real_seconds = BIN2BCD(real_seconds); - real_minutes = BIN2BCD(real_minutes); - rtc->control |= M48T35_RTC_SET; - rtc->sec = real_seconds; - rtc->min = real_minutes; - rtc->control &= ~M48T35_RTC_SET; - } else { - printk(KERN_WARNING - "set_rtc_mmss: can't update from %d to %d\n", - cmos_minutes, real_minutes); - retval = -1; - } - - return retval; -} -#endif - /* Includes for ioc3_init(). */ #include #include @@ -80,37 +35,6 @@ static int set_rtc_mmss(unsigned long nowtime) #include #include -unsigned long read_persistent_clock(void) -{ - unsigned int year, month, date, hour, min, sec; - struct m48t35_rtc *rtc; - nasid_t nid; - - nid = get_nasid(); - rtc = (struct m48t35_rtc *)(KL_CONFIG_CH_CONS_INFO(nid)->memory_base + - IOC3_BYTEBUS_DEV0); - - rtc->control |= M48T35_RTC_READ; - sec = rtc->sec; - min = rtc->min; - hour = rtc->hour; - date = rtc->date; - month = rtc->month; - year = rtc->year; - rtc->control &= ~M48T35_RTC_READ; - - sec = BCD2BIN(sec); - min = BCD2BIN(min); - hour = BCD2BIN(hour); - date = BCD2BIN(date); - month = BCD2BIN(month); - year = BCD2BIN(year); - - year += 1970; - - return mktime(year, month, date, hour, min, sec); -} - static void enable_rt_irq(unsigned int irq) { } @@ -286,6 +210,7 @@ void __cpuinit cpu_time_init(void) void __cpuinit hub_rtc_init(cnodeid_t cnode) { + /* * We only need to initialize the current node. * If this is not the current node then it is a cpuless @@ -301,3 +226,23 @@ void __cpuinit hub_rtc_init(cnodeid_t cnode) LOCAL_HUB_S(PI_RT_PEND_B, 0); } } + +static int __init sgi_ip27_rtc_devinit(void) +{ + struct resource res; + + memset(&res, 0, sizeof(res)); + res.start = XPHYSADDR(KL_CONFIG_CH_CONS_INFO(master_nasid)->memory_base + + IOC3_BYTEBUS_DEV0); + res.end = res.start + 32767; + res.flags = IORESOURCE_MEM; + + return IS_ERR(platform_device_register_simple("rtc-m48t35", -1, + &res, 1)); +} + +/* + * kludge make this a device_initcall after ioc3 resource conflicts + * are resolved + */ +late_initcall(sgi_ip27_rtc_devinit); -- GitLab From d1dbd82e2ff02181a7102088a9fe83e17ddbcb47 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 14 Oct 2008 17:17:32 +0200 Subject: [PATCH 4966/6244] RTC: M48T35: new RTC driver This driver replaces the broken ip27-rtc driver in drivers/char and gives back RTC support for SGI IP27 machines. Signed-off-by: Thomas Bogendoerfer Acked-by: Alessandro Zummo Signed-off-by: Ralf Baechle --- drivers/rtc/Kconfig | 9 ++ drivers/rtc/Makefile | 1 + drivers/rtc/rtc-m48t35.c | 234 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 244 insertions(+) create mode 100644 drivers/rtc/rtc-m48t35.c diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 24217008aa35..f3d7fd3406a6 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -410,6 +410,15 @@ config RTC_DRV_M48T86 This driver can also be built as a module. If so, the module will be called rtc-m48t86. +config RTC_DRV_M48T35 + tristate "ST M48T35" + help + If you say Y here you will get support for the + ST M48T35 RTC chip. + + This driver can also be built as a module, if so, the module + will be called "rtc-m48t35". + config RTC_DRV_M48T59 tristate "ST M48T59/M48T08/M48T02" help diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index a3208082565c..37a71b727262 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o +obj-$(CONFIG_RTC_DRV_M48T35) += rtc-m48t35.o obj-$(CONFIG_RTC_DRV_M48T59) += rtc-m48t59.o obj-$(CONFIG_RTC_DRV_M48T86) += rtc-m48t86.o obj-$(CONFIG_RTC_DRV_BQ4802) += rtc-bq4802.o diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c new file mode 100644 index 000000000000..b9c1fe4a198e --- /dev/null +++ b/drivers/rtc/rtc-m48t35.c @@ -0,0 +1,234 @@ +/* + * Driver for the SGS-Thomson M48T35 Timekeeper RAM chip + * + * Copyright (C) 2000 Silicon Graphics, Inc. + * Written by Ulf Carlsson (ulfc@engr.sgi.com) + * + * Copyright (C) 2008 Thomas Bogendoerfer + * + * Based on code written by Paul Gortmaker. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include + +#define DRV_VERSION "1.0" + +struct m48t35_rtc { + u8 pad[0x7ff8]; /* starts at 0x7ff8 */ + u8 control; + u8 sec; + u8 min; + u8 hour; + u8 day; + u8 date; + u8 month; + u8 year; +}; + +#define M48T35_RTC_SET 0x80 +#define M48T35_RTC_READ 0x40 + +struct m48t35_priv { + struct rtc_device *rtc; + struct m48t35_rtc __iomem *reg; + size_t size; + unsigned long baseaddr; + spinlock_t lock; +}; + +static int m48t35_read_time(struct device *dev, struct rtc_time *tm) +{ + struct m48t35_priv *priv = dev_get_drvdata(dev); + u8 control; + + /* + * Only the values that we read from the RTC are set. We leave + * tm_wday, tm_yday and tm_isdst untouched. Even though the + * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated + * by the RTC when initially set to a non-zero value. + */ + spin_lock_irq(&priv->lock); + control = readb(&priv->reg->control); + writeb(control | M48T35_RTC_READ, &priv->reg->control); + tm->tm_sec = readb(&priv->reg->sec); + tm->tm_min = readb(&priv->reg->min); + tm->tm_hour = readb(&priv->reg->hour); + tm->tm_mday = readb(&priv->reg->date); + tm->tm_mon = readb(&priv->reg->month); + tm->tm_year = readb(&priv->reg->year); + writeb(control, &priv->reg->control); + spin_unlock_irq(&priv->lock); + + tm->tm_sec = bcd2bin(tm->tm_sec); + tm->tm_min = bcd2bin(tm->tm_min); + tm->tm_hour = bcd2bin(tm->tm_hour); + tm->tm_mday = bcd2bin(tm->tm_mday); + tm->tm_mon = bcd2bin(tm->tm_mon); + tm->tm_year = bcd2bin(tm->tm_year); + + /* + * Account for differences between how the RTC uses the values + * and how they are defined in a struct rtc_time; + */ + tm->tm_year += 70; + if (tm->tm_year <= 69) + tm->tm_year += 100; + + tm->tm_mon--; + return rtc_valid_tm(tm); +} + +static int m48t35_set_time(struct device *dev, struct rtc_time *tm) +{ + struct m48t35_priv *priv = dev_get_drvdata(dev); + unsigned char mon, day, hrs, min, sec; + unsigned int yrs; + u8 control; + + yrs = tm->tm_year + 1900; + mon = tm->tm_mon + 1; /* tm_mon starts at zero */ + day = tm->tm_mday; + hrs = tm->tm_hour; + min = tm->tm_min; + sec = tm->tm_sec; + + if (yrs < 1970) + return -EINVAL; + + yrs -= 1970; + if (yrs > 255) /* They are unsigned */ + return -EINVAL; + + if (yrs > 169) + return -EINVAL; + + if (yrs >= 100) + yrs -= 100; + + sec = bin2bcd(sec); + min = bin2bcd(min); + hrs = bin2bcd(hrs); + day = bin2bcd(day); + mon = bin2bcd(mon); + yrs = bin2bcd(yrs); + + spin_lock_irq(&priv->lock); + control = readb(&priv->reg->control); + writeb(control | M48T35_RTC_SET, &priv->reg->control); + writeb(yrs, &priv->reg->year); + writeb(mon, &priv->reg->month); + writeb(day, &priv->reg->date); + writeb(hrs, &priv->reg->hour); + writeb(min, &priv->reg->min); + writeb(sec, &priv->reg->sec); + writeb(control, &priv->reg->control); + spin_unlock_irq(&priv->lock); + return 0; +} + +static const struct rtc_class_ops m48t35_ops = { + .read_time = m48t35_read_time, + .set_time = m48t35_set_time, +}; + +static int __devinit m48t35_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + struct resource *res; + struct m48t35_priv *priv; + int ret = 0; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + priv = kzalloc(sizeof(struct m48t35_priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->size = res->end - res->start + 1; + /* + * kludge: remove the #ifndef after ioc3 resource + * conflicts are resolved + */ +#ifndef CONFIG_SGI_IP27 + if (!request_mem_region(res->start, priv->size, pdev->name)) { + ret = -EBUSY; + goto out; + } +#endif + priv->baseaddr = res->start; + priv->reg = ioremap(priv->baseaddr, priv->size); + if (!priv->reg) { + ret = -ENOMEM; + goto out; + } + spin_lock_init(&priv->lock); + rtc = rtc_device_register("m48t35", &pdev->dev, + &m48t35_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + ret = PTR_ERR(rtc); + goto out; + } + priv->rtc = rtc; + platform_set_drvdata(pdev, priv); + return 0; + +out: + if (priv->rtc) + rtc_device_unregister(priv->rtc); + if (priv->reg) + iounmap(priv->reg); + if (priv->baseaddr) + release_mem_region(priv->baseaddr, priv->size); + kfree(priv); + return ret; +} + +static int __devexit m48t35_remove(struct platform_device *pdev) +{ + struct m48t35_priv *priv = platform_get_drvdata(pdev); + + rtc_device_unregister(priv->rtc); + iounmap(priv->reg); +#ifndef CONFIG_SGI_IP27 + release_mem_region(priv->baseaddr, priv->size); +#endif + kfree(priv); + return 0; +} + +static struct platform_driver m48t35_platform_driver = { + .driver = { + .name = "rtc-m48t35", + .owner = THIS_MODULE, + }, + .probe = m48t35_probe, + .remove = __devexit_p(m48t35_remove), +}; + +static int __init m48t35_init(void) +{ + return platform_driver_register(&m48t35_platform_driver); +} + +static void __exit m48t35_exit(void) +{ + platform_driver_unregister(&m48t35_platform_driver); +} + +MODULE_AUTHOR("Thomas Bogendoerfer "); +MODULE_DESCRIPTION("M48T35 RTC driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); +MODULE_ALIAS("platform:rtc-m48t35"); + +module_init(m48t35_init); +module_exit(m48t35_exit); -- GitLab From 656e9503bae1dbc7b0e8c709715e5eda9ae82653 Mon Sep 17 00:00:00 2001 From: Thomas Bogendoerfer Date: Tue, 23 Sep 2008 00:53:20 +0200 Subject: [PATCH 4967/6244] MIPS: IP32: Add platform device for CMOS RTC; remove dead code Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- arch/mips/sgi-ip32/ip32-platform.c | 16 ++++++++++++++++ arch/mips/sgi-ip32/ip32-setup.c | 5 ----- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c index 3d63721e0e80..511e9ff2acfd 100644 --- a/arch/mips/sgi-ip32/ip32-platform.c +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -90,6 +90,22 @@ static __init int sgio2btns_devinit(void) device_initcall(sgio2btns_devinit); +static struct resource sgio2_cmos_rsrc[] = { + { + .start = 0x70, + .end = 0x71, + .flags = IORESOURCE_IO + } +}; + +static __init int sgio2_cmos_devinit(void) +{ + return IS_ERR(platform_device_register_simple("rtc_cmos", -1, + sgio2_cmos_rsrc, 1)); +} + +device_initcall(sgio2_cmos_devinit); + MODULE_AUTHOR("Ralf Baechle "); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2"); diff --git a/arch/mips/sgi-ip32/ip32-setup.c b/arch/mips/sgi-ip32/ip32-setup.c index 1024bf40bd9e..c5a5d4a31b4b 100644 --- a/arch/mips/sgi-ip32/ip32-setup.c +++ b/arch/mips/sgi-ip32/ip32-setup.c @@ -62,11 +62,6 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) } #endif -unsigned long read_persistent_clock(void) -{ - return mc146818_get_cmos_time(); -} - /* An arbitrary time; this can be decreased if reliability looks good */ #define WAIT_MS 10 -- GitLab From 08da6f1bdddca14ba0fe28a5f6c41aa163aa27d3 Mon Sep 17 00:00:00 2001 From: Shinya Kuribayashi Date: Sun, 12 Oct 2008 22:56:11 +0900 Subject: [PATCH 4968/6244] MIPS: Kill unused inclusions Signed-off-by: Shinya Kuribayashi Signed-off-by: Ralf Baechle --- arch/mips/emma2rh/common/irq.c | 1 - arch/mips/emma2rh/common/prom.c | 1 - arch/mips/emma2rh/markeins/platform.c | 1 - arch/mips/pci/fixup-emma2rh.c | 1 - arch/mips/pci/ops-pnx8550.c | 2 -- arch/mips/pci/pci-emma2rh.c | 1 - arch/mips/rb532/time.c | 1 - 7 files changed, 8 deletions(-) diff --git a/arch/mips/emma2rh/common/irq.c b/arch/mips/emma2rh/common/irq.c index d95604773667..91cbd959ab67 100644 --- a/arch/mips/emma2rh/common/irq.c +++ b/arch/mips/emma2rh/common/irq.c @@ -29,7 +29,6 @@ #include #include -#include #include #include diff --git a/arch/mips/emma2rh/common/prom.c b/arch/mips/emma2rh/common/prom.c index 5e92b3a9c5b8..e14a2e3d8842 100644 --- a/arch/mips/emma2rh/common/prom.c +++ b/arch/mips/emma2rh/common/prom.c @@ -30,7 +30,6 @@ #include #include #include -#include const char *get_system_type(void) { diff --git a/arch/mips/emma2rh/markeins/platform.c b/arch/mips/emma2rh/markeins/platform.c index d70627de7cfe..fb9cda253ab0 100644 --- a/arch/mips/emma2rh/markeins/platform.c +++ b/arch/mips/emma2rh/markeins/platform.c @@ -35,7 +35,6 @@ #include #include #include -#include #include diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c index a2705895561d..846eae9cdd05 100644 --- a/arch/mips/pci/fixup-emma2rh.c +++ b/arch/mips/pci/fixup-emma2rh.c @@ -29,7 +29,6 @@ #include #include -#include #include diff --git a/arch/mips/pci/ops-pnx8550.c b/arch/mips/pci/ops-pnx8550.c index 0e160d9f07c3..1e6213fa7bdb 100644 --- a/arch/mips/pci/ops-pnx8550.c +++ b/arch/mips/pci/ops-pnx8550.c @@ -29,8 +29,6 @@ #include #include -#include - static inline void clear_status(void) { diff --git a/arch/mips/pci/pci-emma2rh.c b/arch/mips/pci/pci-emma2rh.c index d99591a0cdfe..772e283daa63 100644 --- a/arch/mips/pci/pci-emma2rh.c +++ b/arch/mips/pci/pci-emma2rh.c @@ -29,7 +29,6 @@ #include #include -#include #include diff --git a/arch/mips/rb532/time.c b/arch/mips/rb532/time.c index 8e7a46855b50..1377d599f0e3 100644 --- a/arch/mips/rb532/time.c +++ b/arch/mips/rb532/time.c @@ -28,7 +28,6 @@ #include #include -#include #include #include -- GitLab From a9ff8f6462635c8d9f8d64b7b10ddcea8404d77b Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 15 Oct 2008 12:54:05 +0100 Subject: [PATCH 4969/6244] [ARM] 5308/1: Fix Viper ISA IRQ handling The ISA IRQ renumbering broke the Viper ISA code in interesting ways. It originally assumed that ISA interrupt were numbered in the order that is defined by the CPLD registers. Unfortunately, this is no longer the case. Furthermore, the viper_irq_handler() function being a chained IRQ handler, it must ACK the interrupt by itself, or the handler will be immediately reentered, with the expected damages. This fix was made possible thanks to the help of David Raeman, who provided debug information and tested each version of this patch. Tested-by: David Raeman Signed-off-by: Marc Zyngier Acked-by: Eric Miao Signed-off-by: Russell King --- arch/arm/mach-pxa/viper.c | 54 +++++++++++++++++++++++++++++++-------- 1 file changed, 43 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index d7632f63603c..4b3120dbc049 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -204,25 +204,54 @@ static void viper_set_core_cpu_voltage(unsigned long khz, int force) /* Interrupt handling */ static unsigned long viper_irq_enabled_mask; +static const int viper_isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, 9, 14, 15 }; +static const int viper_isa_irq_map[] = { + 0, /* ISA irq #0, invalid */ + 0, /* ISA irq #1, invalid */ + 0, /* ISA irq #2, invalid */ + 1 << 0, /* ISA irq #3 */ + 1 << 1, /* ISA irq #4 */ + 1 << 2, /* ISA irq #5 */ + 1 << 3, /* ISA irq #6 */ + 1 << 4, /* ISA irq #7 */ + 0, /* ISA irq #8, invalid */ + 1 << 8, /* ISA irq #9 */ + 1 << 5, /* ISA irq #10 */ + 1 << 6, /* ISA irq #11 */ + 1 << 7, /* ISA irq #12 */ + 0, /* ISA irq #13, invalid */ + 1 << 9, /* ISA irq #14 */ + 1 << 10, /* ISA irq #15 */ +}; + +static inline int viper_irq_to_bitmask(unsigned int irq) +{ + return viper_isa_irq_map[irq - PXA_ISA_IRQ(0)]; +} + +static inline int viper_bit_to_irq(int bit) +{ + return viper_isa_irqs[bit] + PXA_ISA_IRQ(0); +} static void viper_ack_irq(unsigned int irq) { - int viper_irq = irq - PXA_ISA_IRQ(0); + int viper_irq = viper_irq_to_bitmask(irq); - if (viper_irq < 8) - VIPER_LO_IRQ_STATUS = 1 << viper_irq; + if (viper_irq & 0xff) + VIPER_LO_IRQ_STATUS = viper_irq; else - VIPER_HI_IRQ_STATUS = 1 << (viper_irq - 8); + VIPER_HI_IRQ_STATUS = (viper_irq >> 8); } static void viper_mask_irq(unsigned int irq) { - viper_irq_enabled_mask &= ~(1 << (irq - PXA_ISA_IRQ(0))); + viper_irq_enabled_mask &= ~(viper_irq_to_bitmask(irq)); } static void viper_unmask_irq(unsigned int irq) { - viper_irq_enabled_mask |= (1 << (irq - PXA_ISA_IRQ(0))); + viper_irq_enabled_mask |= viper_irq_to_bitmask(irq); } static inline unsigned long viper_irq_pending(void) @@ -237,8 +266,12 @@ static void viper_irq_handler(unsigned int irq, struct irq_desc *desc) pending = viper_irq_pending(); do { + /* we're in a chained irq handler, + * so ack the interrupt by hand */ + GEDR(VIPER_CPLD_GPIO) = GPIO_bit(VIPER_CPLD_GPIO); + if (likely(pending)) { - irq = PXA_ISA_IRQ(0) + __ffs(pending); + irq = viper_bit_to_irq(__ffs(pending)); generic_handle_irq(irq); } pending = viper_irq_pending(); @@ -254,15 +287,14 @@ static struct irq_chip viper_irq_chip = { static void __init viper_init_irq(void) { - const int isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, 9, 14, 15 }; - int irq; + int level; int isa_irq; pxa25x_init_irq(); /* setup ISA IRQs */ - for (irq = 0; irq < ARRAY_SIZE(isa_irqs); irq++) { - isa_irq = isa_irqs[irq]; + for (level = 0; level < ARRAY_SIZE(viper_isa_irqs); level++) { + isa_irq = viper_bit_to_irq(level); set_irq_chip(isa_irq, &viper_irq_chip); set_irq_handler(isa_irq, handle_edge_irq); set_irq_flags(isa_irq, IRQF_VALID | IRQF_PROBE); -- GitLab From 387179464257921eb9aa3d15cc3ff194f6945a7c Mon Sep 17 00:00:00 2001 From: "Kay, Allen M" Date: Tue, 9 Sep 2008 18:37:29 +0300 Subject: [PATCH 4970/6244] VT-d: Changes to support KVM This patch extends the VT-d driver to support KVM [Ben: fixed memory pinning] [avi: move dma_remapping.h as well] Signed-off-by: Kay, Allen M Signed-off-by: Weidong Han Signed-off-by: Ben-Ami Yassour Signed-off-by: Amit Shah Acked-by: Mark Gross Signed-off-by: Avi Kivity --- drivers/pci/dmar.c | 4 +- drivers/pci/intel-iommu.c | 116 +++++++++++++++++- drivers/pci/intr_remapping.c | 2 +- drivers/pci/intr_remapping.h | 2 +- drivers/pci/iova.c | 2 +- .../pci => include/linux}/dma_remapping.h | 0 {drivers/pci => include/linux}/intel-iommu.h | 24 +++- {drivers/pci => include/linux}/iova.h | 0 8 files changed, 139 insertions(+), 11 deletions(-) rename {drivers/pci => include/linux}/dma_remapping.h (100%) rename {drivers/pci => include/linux}/intel-iommu.h (92%) rename {drivers/pci => include/linux}/iova.h (100%) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index bd2c01674f5e..e842e756308a 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -28,9 +28,9 @@ #include #include +#include +#include #include -#include "iova.h" -#include "intel-iommu.h" #undef PREFIX #define PREFIX "DMAR:" diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 389fdd6f4a9f..fc5f2dbf5323 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -33,8 +33,8 @@ #include #include #include -#include "iova.h" -#include "intel-iommu.h" +#include +#include #include /* force_iommu in this header in x86-64*/ #include #include @@ -156,7 +156,7 @@ static inline void *alloc_domain_mem(void) return iommu_kmem_cache_alloc(iommu_domain_cache); } -static inline void free_domain_mem(void *vaddr) +static void free_domain_mem(void *vaddr) { kmem_cache_free(iommu_domain_cache, vaddr); } @@ -1341,7 +1341,7 @@ static void domain_remove_dev_info(struct dmar_domain *domain) * find_domain * Note: we use struct pci_dev->dev.archdata.iommu stores the info */ -struct dmar_domain * +static struct dmar_domain * find_domain(struct pci_dev *pdev) { struct device_domain_info *info; @@ -2318,3 +2318,111 @@ int __init intel_iommu_init(void) return 0; } +void intel_iommu_domain_exit(struct dmar_domain *domain) +{ + u64 end; + + /* Domain 0 is reserved, so dont process it */ + if (!domain) + return; + + end = DOMAIN_MAX_ADDR(domain->gaw); + end = end & (~PAGE_MASK_4K); + + /* clear ptes */ + dma_pte_clear_range(domain, 0, end); + + /* free page tables */ + dma_pte_free_pagetable(domain, 0, end); + + iommu_free_domain(domain); + free_domain_mem(domain); +} +EXPORT_SYMBOL_GPL(intel_iommu_domain_exit); + +struct dmar_domain *intel_iommu_domain_alloc(struct pci_dev *pdev) +{ + struct dmar_drhd_unit *drhd; + struct dmar_domain *domain; + struct intel_iommu *iommu; + + drhd = dmar_find_matched_drhd_unit(pdev); + if (!drhd) { + printk(KERN_ERR "intel_iommu_domain_alloc: drhd == NULL\n"); + return NULL; + } + + iommu = drhd->iommu; + if (!iommu) { + printk(KERN_ERR + "intel_iommu_domain_alloc: iommu == NULL\n"); + return NULL; + } + domain = iommu_alloc_domain(iommu); + if (!domain) { + printk(KERN_ERR + "intel_iommu_domain_alloc: domain == NULL\n"); + return NULL; + } + if (domain_init(domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) { + printk(KERN_ERR + "intel_iommu_domain_alloc: domain_init() failed\n"); + intel_iommu_domain_exit(domain); + return NULL; + } + return domain; +} +EXPORT_SYMBOL_GPL(intel_iommu_domain_alloc); + +int intel_iommu_context_mapping( + struct dmar_domain *domain, struct pci_dev *pdev) +{ + int rc; + rc = domain_context_mapping(domain, pdev); + return rc; +} +EXPORT_SYMBOL_GPL(intel_iommu_context_mapping); + +int intel_iommu_page_mapping( + struct dmar_domain *domain, dma_addr_t iova, + u64 hpa, size_t size, int prot) +{ + int rc; + rc = domain_page_mapping(domain, iova, hpa, size, prot); + return rc; +} +EXPORT_SYMBOL_GPL(intel_iommu_page_mapping); + +void intel_iommu_detach_dev(struct dmar_domain *domain, u8 bus, u8 devfn) +{ + detach_domain_for_dev(domain, bus, devfn); +} +EXPORT_SYMBOL_GPL(intel_iommu_detach_dev); + +struct dmar_domain * +intel_iommu_find_domain(struct pci_dev *pdev) +{ + return find_domain(pdev); +} +EXPORT_SYMBOL_GPL(intel_iommu_find_domain); + +int intel_iommu_found(void) +{ + return g_num_of_iommus; +} +EXPORT_SYMBOL_GPL(intel_iommu_found); + +u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova) +{ + struct dma_pte *pte; + u64 pfn; + + pfn = 0; + pte = addr_to_dma_pte(domain, iova); + + if (pte) + pfn = dma_pte_addr(*pte); + + return pfn >> PAGE_SHIFT_4K; +} +EXPORT_SYMBOL_GPL(intel_iommu_iova_to_pfn); diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index bb642cc5e18c..738d4c89581c 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -4,7 +4,7 @@ #include #include #include -#include "intel-iommu.h" +#include #include "intr_remapping.h" static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; diff --git a/drivers/pci/intr_remapping.h b/drivers/pci/intr_remapping.h index 05f2635bbe4e..ca48f0df8ac9 100644 --- a/drivers/pci/intr_remapping.h +++ b/drivers/pci/intr_remapping.h @@ -1,4 +1,4 @@ -#include "intel-iommu.h" +#include struct ioapic_scope { struct intel_iommu *iommu; diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index 3ef4ac064315..2287116e9822 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -7,7 +7,7 @@ * Author: Anil S Keshavamurthy */ -#include "iova.h" +#include void init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit) diff --git a/drivers/pci/dma_remapping.h b/include/linux/dma_remapping.h similarity index 100% rename from drivers/pci/dma_remapping.h rename to include/linux/dma_remapping.h diff --git a/drivers/pci/intel-iommu.h b/include/linux/intel-iommu.h similarity index 92% rename from drivers/pci/intel-iommu.h rename to include/linux/intel-iommu.h index 2142c01e0143..2e117f30a76c 100644 --- a/drivers/pci/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -25,10 +25,10 @@ #include #include #include -#include "iova.h" +#include #include +#include #include -#include "dma_remapping.h" /* * Intel IOMMU register specification per version 1.0 public spec. @@ -304,4 +304,24 @@ extern int dmar_enable_qi(struct intel_iommu *iommu); extern void qi_global_iec(struct intel_iommu *iommu); extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu); + +void intel_iommu_domain_exit(struct dmar_domain *domain); +struct dmar_domain *intel_iommu_domain_alloc(struct pci_dev *pdev); +int intel_iommu_context_mapping(struct dmar_domain *domain, + struct pci_dev *pdev); +int intel_iommu_page_mapping(struct dmar_domain *domain, dma_addr_t iova, + u64 hpa, size_t size, int prot); +void intel_iommu_detach_dev(struct dmar_domain *domain, u8 bus, u8 devfn); +struct dmar_domain *intel_iommu_find_domain(struct pci_dev *pdev); +u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova); + +#ifdef CONFIG_DMAR +int intel_iommu_found(void); +#else /* CONFIG_DMAR */ +static inline int intel_iommu_found(void) +{ + return 0; +} +#endif /* CONFIG_DMAR */ + #endif diff --git a/drivers/pci/iova.h b/include/linux/iova.h similarity index 100% rename from drivers/pci/iova.h rename to include/linux/iova.h -- GitLab From 62c476c7c7f25a5b245b9902a935636e6316e58c Mon Sep 17 00:00:00 2001 From: Ben-Ami Yassour Date: Sun, 14 Sep 2008 03:48:28 +0300 Subject: [PATCH 4971/6244] KVM: Device Assignment with VT-d Based on a patch by: Kay, Allen M This patch enables PCI device assignment based on VT-d support. When a device is assigned to the guest, the guest memory is pinned and the mapping is updated in the VT-d IOMMU. [Amit: Expose KVM_CAP_IOMMU so we can check if an IOMMU is present and also control enable/disable from userspace] Signed-off-by: Kay, Allen M Signed-off-by: Weidong Han Signed-off-by: Ben-Ami Yassour Signed-off-by: Amit Shah Acked-by: Mark Gross Signed-off-by: Avi Kivity --- arch/x86/kvm/Makefile | 3 + arch/x86/kvm/vtd.c | 198 +++++++++++++++++++++++++++++++++++++ arch/x86/kvm/x86.c | 14 +++ include/asm-x86/kvm_host.h | 23 +---- include/linux/kvm.h | 3 + include/linux/kvm_host.h | 52 ++++++++++ virt/kvm/kvm_main.c | 9 +- 7 files changed, 281 insertions(+), 21 deletions(-) create mode 100644 arch/x86/kvm/vtd.c diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index d0e940bb6f40..3072b17447ab 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -12,6 +12,9 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/x86/kvm kvm-objs := $(common-objs) x86.o mmu.o x86_emulate.o i8259.o irq.o lapic.o \ i8254.o +ifeq ($(CONFIG_DMAR),y) +kvm-objs += vtd.o +endif obj-$(CONFIG_KVM) += kvm.o kvm-intel-objs = vmx.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o diff --git a/arch/x86/kvm/vtd.c b/arch/x86/kvm/vtd.c new file mode 100644 index 000000000000..667bf3fb64bf --- /dev/null +++ b/arch/x86/kvm/vtd.c @@ -0,0 +1,198 @@ +/* + * Copyright (c) 2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Copyright (C) 2006-2008 Intel Corporation + * Copyright IBM Corporation, 2008 + * Author: Allen M. Kay + * Author: Weidong Han + * Author: Ben-Ami Yassour + */ + +#include +#include +#include +#include +#include + +static int kvm_iommu_unmap_memslots(struct kvm *kvm); +static void kvm_iommu_put_pages(struct kvm *kvm, + gfn_t base_gfn, unsigned long npages); + +int kvm_iommu_map_pages(struct kvm *kvm, + gfn_t base_gfn, unsigned long npages) +{ + gfn_t gfn = base_gfn; + pfn_t pfn; + int i, r; + struct dmar_domain *domain = kvm->arch.intel_iommu_domain; + + /* check if iommu exists and in use */ + if (!domain) + return 0; + + r = -EINVAL; + for (i = 0; i < npages; i++) { + /* check if already mapped */ + pfn = (pfn_t)intel_iommu_iova_to_pfn(domain, + gfn_to_gpa(gfn)); + if (pfn && !is_mmio_pfn(pfn)) + continue; + + pfn = gfn_to_pfn(kvm, gfn); + if (!is_mmio_pfn(pfn)) { + r = intel_iommu_page_mapping(domain, + gfn_to_gpa(gfn), + pfn_to_hpa(pfn), + PAGE_SIZE, + DMA_PTE_READ | + DMA_PTE_WRITE); + if (r) { + printk(KERN_DEBUG "kvm_iommu_map_pages:" + "iommu failed to map pfn=%lx\n", pfn); + goto unmap_pages; + } + } else { + printk(KERN_DEBUG "kvm_iommu_map_page:" + "invalid pfn=%lx\n", pfn); + goto unmap_pages; + } + gfn++; + } + return 0; + +unmap_pages: + kvm_iommu_put_pages(kvm, base_gfn, i); + return r; +} + +static int kvm_iommu_map_memslots(struct kvm *kvm) +{ + int i, r; + + down_read(&kvm->slots_lock); + for (i = 0; i < kvm->nmemslots; i++) { + r = kvm_iommu_map_pages(kvm, kvm->memslots[i].base_gfn, + kvm->memslots[i].npages); + if (r) + break; + } + up_read(&kvm->slots_lock); + return r; +} + +int kvm_iommu_map_guest(struct kvm *kvm, + struct kvm_assigned_dev_kernel *assigned_dev) +{ + struct pci_dev *pdev = NULL; + int r; + + if (!intel_iommu_found()) { + printk(KERN_ERR "%s: intel iommu not found\n", __func__); + return -ENODEV; + } + + printk(KERN_DEBUG "VT-d direct map: host bdf = %x:%x:%x\n", + assigned_dev->host_busnr, + PCI_SLOT(assigned_dev->host_devfn), + PCI_FUNC(assigned_dev->host_devfn)); + + pdev = assigned_dev->dev; + + if (pdev == NULL) { + if (kvm->arch.intel_iommu_domain) { + intel_iommu_domain_exit(kvm->arch.intel_iommu_domain); + kvm->arch.intel_iommu_domain = NULL; + } + return -ENODEV; + } + + kvm->arch.intel_iommu_domain = intel_iommu_domain_alloc(pdev); + if (!kvm->arch.intel_iommu_domain) + return -ENODEV; + + r = kvm_iommu_map_memslots(kvm); + if (r) + goto out_unmap; + + intel_iommu_detach_dev(kvm->arch.intel_iommu_domain, + pdev->bus->number, pdev->devfn); + + r = intel_iommu_context_mapping(kvm->arch.intel_iommu_domain, + pdev); + if (r) { + printk(KERN_ERR "Domain context map for %s failed", + pci_name(pdev)); + goto out_unmap; + } + return 0; + +out_unmap: + kvm_iommu_unmap_memslots(kvm); + return r; +} + +static void kvm_iommu_put_pages(struct kvm *kvm, + gfn_t base_gfn, unsigned long npages) +{ + gfn_t gfn = base_gfn; + pfn_t pfn; + struct dmar_domain *domain = kvm->arch.intel_iommu_domain; + int i; + + for (i = 0; i < npages; i++) { + pfn = (pfn_t)intel_iommu_iova_to_pfn(domain, + gfn_to_gpa(gfn)); + kvm_release_pfn_clean(pfn); + gfn++; + } +} + +static int kvm_iommu_unmap_memslots(struct kvm *kvm) +{ + int i; + down_read(&kvm->slots_lock); + for (i = 0; i < kvm->nmemslots; i++) { + kvm_iommu_put_pages(kvm, kvm->memslots[i].base_gfn, + kvm->memslots[i].npages); + } + up_read(&kvm->slots_lock); + + return 0; +} + +int kvm_iommu_unmap_guest(struct kvm *kvm) +{ + struct kvm_assigned_dev_kernel *entry; + struct dmar_domain *domain = kvm->arch.intel_iommu_domain; + + /* check if iommu exists and in use */ + if (!domain) + return 0; + + list_for_each_entry(entry, &kvm->arch.assigned_dev_head, list) { + printk(KERN_DEBUG "VT-d unmap: host bdf = %x:%x:%x\n", + entry->host_busnr, + PCI_SLOT(entry->host_devfn), + PCI_FUNC(entry->host_devfn)); + + /* detach kvm dmar domain */ + intel_iommu_detach_dev(domain, entry->host_busnr, + entry->host_devfn); + } + kvm_iommu_unmap_memslots(kvm); + intel_iommu_domain_exit(domain); + return 0; +} diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2134f3e0a516..c8a2793626ec 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -277,9 +278,18 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm, list_add(&match->list, &kvm->arch.assigned_dev_head); + if (assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU) { + r = kvm_iommu_map_guest(kvm, match); + if (r) + goto out_list_del; + } + out: mutex_unlock(&kvm->lock); return r; +out_list_del: + list_del(&match->list); + pci_release_regions(dev); out_disable: pci_disable_device(dev); out_put: @@ -1147,6 +1157,9 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_PV_MMU: r = !tdp_enabled; break; + case KVM_CAP_IOMMU: + r = intel_iommu_found(); + break; default: r = 0; break; @@ -4282,6 +4295,7 @@ static void kvm_free_vcpus(struct kvm *kvm) void kvm_arch_destroy_vm(struct kvm *kvm) { + kvm_iommu_unmap_guest(kvm); kvm_free_assigned_devices(kvm); kvm_free_pit(kvm); kfree(kvm->arch.vpic); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 68a3ac13afce..805629c0f15f 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -331,26 +331,6 @@ struct kvm_mem_alias { gfn_t target_gfn; }; -struct kvm_irq_ack_notifier { - struct hlist_node link; - unsigned gsi; - void (*irq_acked)(struct kvm_irq_ack_notifier *kian); -}; - -struct kvm_assigned_dev_kernel { - struct kvm_irq_ack_notifier ack_notifier; - struct work_struct interrupt_work; - struct list_head list; - int assigned_dev_id; - int host_busnr; - int host_devfn; - int host_irq; - int guest_irq; - int irq_requested; - struct pci_dev *dev; - struct kvm *kvm; -}; - struct kvm_arch{ int naliases; struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; @@ -364,6 +344,7 @@ struct kvm_arch{ */ struct list_head active_mmu_pages; struct list_head assigned_dev_head; + struct dmar_domain *intel_iommu_domain; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; @@ -514,6 +495,8 @@ int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, gpa_t addr, unsigned long *ret); +int is_mmio_pfn(pfn_t pfn); + extern bool tdp_enabled; enum emulation_result { diff --git a/include/linux/kvm.h b/include/linux/kvm.h index ef4bc6f89778..4269be171faf 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -384,6 +384,7 @@ struct kvm_trace_rec { #define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ #define KVM_CAP_DEVICE_ASSIGNMENT 17 +#define KVM_CAP_IOMMU 18 /* * ioctls for VM fds @@ -495,4 +496,6 @@ struct kvm_assigned_irq { __u32 flags; }; +#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) + #endif diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4b036430ea23..6252802c3cc0 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -286,6 +286,53 @@ int kvm_cpu_has_interrupt(struct kvm_vcpu *v); int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); +struct kvm_irq_ack_notifier { + struct hlist_node link; + unsigned gsi; + void (*irq_acked)(struct kvm_irq_ack_notifier *kian); +}; + +struct kvm_assigned_dev_kernel { + struct kvm_irq_ack_notifier ack_notifier; + struct work_struct interrupt_work; + struct list_head list; + int assigned_dev_id; + int host_busnr; + int host_devfn; + int host_irq; + int guest_irq; + int irq_requested; + struct pci_dev *dev; + struct kvm *kvm; +}; + +#ifdef CONFIG_DMAR +int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn, + unsigned long npages); +int kvm_iommu_map_guest(struct kvm *kvm, + struct kvm_assigned_dev_kernel *assigned_dev); +int kvm_iommu_unmap_guest(struct kvm *kvm); +#else /* CONFIG_DMAR */ +static inline int kvm_iommu_map_pages(struct kvm *kvm, + gfn_t base_gfn, + unsigned long npages) +{ + return 0; +} + +static inline int kvm_iommu_map_guest(struct kvm *kvm, + struct kvm_assigned_dev_kernel + *assigned_dev) +{ + return -ENODEV; +} + +static inline int kvm_iommu_unmap_guest(struct kvm *kvm) +{ + return 0; +} +#endif /* CONFIG_DMAR */ + static inline void kvm_guest_enter(void) { account_system_vtime(current); @@ -308,6 +355,11 @@ static inline gpa_t gfn_to_gpa(gfn_t gfn) return (gpa_t)gfn << PAGE_SHIFT; } +static inline hpa_t pfn_to_hpa(pfn_t pfn) +{ + return (hpa_t)pfn << PAGE_SHIFT; +} + static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu) { set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 63e661be040a..f42d5c2a396d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -41,6 +41,7 @@ #include #include #include +#include #include #include @@ -76,7 +77,7 @@ static inline int valid_vcpu(int n) return likely(n >= 0 && n < KVM_MAX_VCPUS); } -static inline int is_mmio_pfn(pfn_t pfn) +inline int is_mmio_pfn(pfn_t pfn) { if (pfn_valid(pfn)) return PageReserved(pfn_to_page(pfn)); @@ -578,6 +579,12 @@ int __kvm_set_memory_region(struct kvm *kvm, } kvm_free_physmem_slot(&old, &new); + + /* map the pages in iommu page table */ + r = kvm_iommu_map_pages(kvm, base_gfn, npages); + if (r) + goto out; + return 0; out_free: -- GitLab From bfadaded0dc323a1cf3f08b5068f12955b54cbaa Mon Sep 17 00:00:00 2001 From: Amit Shah Date: Tue, 16 Sep 2008 18:04:28 +0300 Subject: [PATCH 4972/6244] KVM: Device Assignment: Free device structures if IRQ allocation fails When an IRQ allocation fails, we free up the device structures and disable the device so that we can unregister the device in the userspace and not expose it to the guest at all. Signed-off-by: Amit Shah Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 86 ++++++++++++++++++++++++---------------------- 1 file changed, 45 insertions(+), 41 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c8a2793626ec..61eddbeabeb4 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -166,6 +166,43 @@ static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian) enable_irq(dev->host_irq); } +static void kvm_free_assigned_device(struct kvm *kvm, + struct kvm_assigned_dev_kernel + *assigned_dev) +{ + if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested) + free_irq(assigned_dev->host_irq, (void *)assigned_dev); + + kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier); + + if (cancel_work_sync(&assigned_dev->interrupt_work)) + /* We had pending work. That means we will have to take + * care of kvm_put_kvm. + */ + kvm_put_kvm(kvm); + + pci_release_regions(assigned_dev->dev); + pci_disable_device(assigned_dev->dev); + pci_dev_put(assigned_dev->dev); + + list_del(&assigned_dev->list); + kfree(assigned_dev); +} + +static void kvm_free_all_assigned_devices(struct kvm *kvm) +{ + struct list_head *ptr, *ptr2; + struct kvm_assigned_dev_kernel *assigned_dev; + + list_for_each_safe(ptr, ptr2, &kvm->arch.assigned_dev_head) { + assigned_dev = list_entry(ptr, + struct kvm_assigned_dev_kernel, + list); + + kvm_free_assigned_device(kvm, assigned_dev); + } +} + static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, struct kvm_assigned_irq *assigned_irq) @@ -194,8 +231,8 @@ static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, if (irqchip_in_kernel(kvm)) { if (!capable(CAP_SYS_RAWIO)) { - return -EPERM; - goto out; + r = -EPERM; + goto out_release; } if (assigned_irq->host_irq) @@ -214,17 +251,18 @@ static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, */ if (request_irq(match->host_irq, kvm_assigned_dev_intr, 0, "kvm_assigned_device", (void *)match)) { - printk(KERN_INFO "%s: couldn't allocate irq for pv " - "device\n", __func__); r = -EIO; - goto out; + goto out_release; } } match->irq_requested = true; -out: mutex_unlock(&kvm->lock); return r; +out_release: + mutex_unlock(&kvm->lock); + kvm_free_assigned_device(kvm, match); + return r; } static int kvm_vm_ioctl_assign_device(struct kvm *kvm, @@ -300,40 +338,6 @@ out_free: return r; } -static void kvm_free_assigned_devices(struct kvm *kvm) -{ - struct list_head *ptr, *ptr2; - struct kvm_assigned_dev_kernel *assigned_dev; - - list_for_each_safe(ptr, ptr2, &kvm->arch.assigned_dev_head) { - assigned_dev = list_entry(ptr, - struct kvm_assigned_dev_kernel, - list); - - if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested) { - free_irq(assigned_dev->host_irq, - (void *)assigned_dev); - - kvm_unregister_irq_ack_notifier(kvm, - &assigned_dev-> - ack_notifier); - } - - if (cancel_work_sync(&assigned_dev->interrupt_work)) - /* We had pending work. That means we will have to take - * care of kvm_put_kvm. - */ - kvm_put_kvm(kvm); - - pci_release_regions(assigned_dev->dev); - pci_disable_device(assigned_dev->dev); - pci_dev_put(assigned_dev->dev); - - list_del(&assigned_dev->list); - kfree(assigned_dev); - } -} - unsigned long segment_base(u16 selector) { struct descriptor_table gdt; @@ -4296,7 +4300,7 @@ static void kvm_free_vcpus(struct kvm *kvm) void kvm_arch_destroy_vm(struct kvm *kvm) { kvm_iommu_unmap_guest(kvm); - kvm_free_assigned_devices(kvm); + kvm_free_all_assigned_devices(kvm); kvm_free_pit(kvm); kfree(kvm->arch.vpic); kfree(kvm->arch.vioapic); -- GitLab From 777b3f49d297e387866604093b635e5bc9b9d2a6 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 16 Sep 2008 20:54:46 -0300 Subject: [PATCH 4973/6244] KVM: opencode gfn_to_page in kvm_vm_fault kvm_vm_fault is invoked with mmap_sem held in read mode. Since gfn_to_page will be converted to get_user_pages_fast, which requires this lock NOT to be held, switch to opencoded get_user_pages. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f42d5c2a396d..2907d05cfcc3 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1394,17 +1394,22 @@ out: static int kvm_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { + struct page *page[1]; + unsigned long addr; + int npages; + gfn_t gfn = vmf->pgoff; struct kvm *kvm = vma->vm_file->private_data; - struct page *page; - if (!kvm_is_visible_gfn(kvm, vmf->pgoff)) + addr = gfn_to_hva(kvm, gfn); + if (kvm_is_error_hva(addr)) return VM_FAULT_SIGBUS; - page = gfn_to_page(kvm, vmf->pgoff); - if (is_error_page(page)) { - kvm_release_page_clean(page); + + npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page, + NULL); + if (unlikely(npages != 1)) return VM_FAULT_SIGBUS; - } - vmf->page = page; + + vmf->page = page[0]; return 0; } -- GitLab From 4c2155ce81c193788082d4b8cdbc26d79edebc58 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 16 Sep 2008 20:54:47 -0300 Subject: [PATCH 4974/6244] KVM: switch to get_user_pages_fast Convert gfn_to_pfn to use get_user_pages_fast, which can do lockless pagetable lookups on x86. Kernel compilation on 4-way guest is 3.7% faster on VMX. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/powerpc/kvm/44x_tlb.c | 2 -- arch/x86/kvm/mmu.c | 23 +++++++++-------------- arch/x86/kvm/paging_tmpl.h | 8 +------- arch/x86/kvm/vmx.c | 4 ---- arch/x86/kvm/x86.c | 6 ------ virt/kvm/kvm_main.c | 10 +++++----- 6 files changed, 15 insertions(+), 38 deletions(-) diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 7b11fd7be542..2e227a412bc2 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -147,9 +147,7 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, stlbe = &vcpu->arch.shadow_tlb[victim]; /* Get reference to new page. */ - down_read(¤t->mm->mmap_sem); new_page = gfn_to_page(vcpu->kvm, gfn); - up_read(¤t->mm->mmap_sem); if (is_error_page(new_page)) { printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn); kvm_release_page_clean(new_page); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index bce3e25ec79b..5779a2323e23 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -405,16 +405,19 @@ static int host_largepage_backed(struct kvm *kvm, gfn_t gfn) { struct vm_area_struct *vma; unsigned long addr; + int ret = 0; addr = gfn_to_hva(kvm, gfn); if (kvm_is_error_hva(addr)) - return 0; + return ret; + down_read(¤t->mm->mmap_sem); vma = find_vma(current->mm, addr); if (vma && is_vm_hugetlb_page(vma)) - return 1; + ret = 1; + up_read(¤t->mm->mmap_sem); - return 0; + return ret; } static int is_largepage_backed(struct kvm_vcpu *vcpu, gfn_t large_gfn) @@ -1140,9 +1143,7 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva) if (gpa == UNMAPPED_GVA) return NULL; - down_read(¤t->mm->mmap_sem); page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); return page; } @@ -1330,16 +1331,14 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn) pfn_t pfn; unsigned long mmu_seq; - down_read(¤t->mm->mmap_sem); if (is_largepage_backed(vcpu, gfn & ~(KVM_PAGES_PER_HPAGE-1))) { gfn &= ~(KVM_PAGES_PER_HPAGE-1); largepage = 1; } mmu_seq = vcpu->kvm->mmu_notifier_seq; - /* implicit mb(), we'll read before PT lock is unlocked */ + smp_rmb(); pfn = gfn_to_pfn(vcpu->kvm, gfn); - up_read(¤t->mm->mmap_sem); /* mmio */ if (is_error_pfn(pfn)) { @@ -1488,15 +1487,13 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, if (r) return r; - down_read(¤t->mm->mmap_sem); if (is_largepage_backed(vcpu, gfn & ~(KVM_PAGES_PER_HPAGE-1))) { gfn &= ~(KVM_PAGES_PER_HPAGE-1); largepage = 1; } mmu_seq = vcpu->kvm->mmu_notifier_seq; - /* implicit mb(), we'll read before PT lock is unlocked */ + smp_rmb(); pfn = gfn_to_pfn(vcpu->kvm, gfn); - up_read(¤t->mm->mmap_sem); if (is_error_pfn(pfn)) { kvm_release_pfn_clean(pfn); return 1; @@ -1809,15 +1806,13 @@ static void mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, return; gfn = (gpte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT; - down_read(¤t->mm->mmap_sem); if (is_large_pte(gpte) && is_largepage_backed(vcpu, gfn)) { gfn &= ~(KVM_PAGES_PER_HPAGE-1); vcpu->arch.update_pte.largepage = 1; } vcpu->arch.update_pte.mmu_seq = vcpu->kvm->mmu_notifier_seq; - /* implicit mb(), we'll read before PT lock is unlocked */ + smp_rmb(); pfn = gfn_to_pfn(vcpu->kvm, gfn); - up_read(¤t->mm->mmap_sem); if (is_error_pfn(pfn)) { kvm_release_pfn_clean(pfn); diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index b671f61be41e..6dd08e096e24 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -102,14 +102,10 @@ static bool FNAME(cmpxchg_gpte)(struct kvm *kvm, pt_element_t *table; struct page *page; - down_read(¤t->mm->mmap_sem); page = gfn_to_page(kvm, table_gfn); - up_read(¤t->mm->mmap_sem); table = kmap_atomic(page, KM_USER0); - ret = CMPXCHG(&table[index], orig_pte, new_pte); - kunmap_atomic(table, KM_USER0); kvm_release_page_dirty(page); @@ -418,7 +414,6 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, return 0; } - down_read(¤t->mm->mmap_sem); if (walker.level == PT_DIRECTORY_LEVEL) { gfn_t large_gfn; large_gfn = walker.gfn & ~(KVM_PAGES_PER_HPAGE-1); @@ -428,9 +423,8 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, } } mmu_seq = vcpu->kvm->mmu_notifier_seq; - /* implicit mb(), we'll read before PT lock is unlocked */ + smp_rmb(); pfn = gfn_to_pfn(vcpu->kvm, walker.gfn); - up_read(¤t->mm->mmap_sem); /* mmio */ if (is_error_pfn(pfn)) { diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 046a91b5a4ba..025bf4011abc 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2010,9 +2010,7 @@ static int alloc_apic_access_page(struct kvm *kvm) if (r) goto out; - down_read(¤t->mm->mmap_sem); kvm->arch.apic_access_page = gfn_to_page(kvm, 0xfee00); - up_read(¤t->mm->mmap_sem); out: up_write(&kvm->slots_lock); return r; @@ -2034,10 +2032,8 @@ static int alloc_identity_pagetable(struct kvm *kvm) if (r) goto out; - down_read(¤t->mm->mmap_sem); kvm->arch.ept_identity_pagetable = gfn_to_page(kvm, VMX_EPT_IDENTITY_PAGETABLE_ADDR >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); out: up_write(&kvm->slots_lock); return r; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 61eddbeabeb4..108f07267e87 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -946,10 +946,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) /* ...but clean it before doing the actual write */ vcpu->arch.time_offset = data & ~(PAGE_MASK | 1); - down_read(¤t->mm->mmap_sem); vcpu->arch.time_page = gfn_to_page(vcpu->kvm, data >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); if (is_error_page(vcpu->arch.time_page)) { kvm_release_page_clean(vcpu->arch.time_page); @@ -2322,9 +2320,7 @@ static int emulator_cmpxchg_emulated(unsigned long addr, val = *(u64 *)new; - down_read(¤t->mm->mmap_sem); page = gfn_to_page(vcpu->kvm, gpa >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); kaddr = kmap_atomic(page, KM_USER0); set_64bit((u64 *)(kaddr + offset_in_page(gpa)), val); @@ -3089,9 +3085,7 @@ static void vapic_enter(struct kvm_vcpu *vcpu) if (!apic || !apic->vapic_addr) return; - down_read(¤t->mm->mmap_sem); page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); vcpu->arch.apic->vapic_page = page; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2907d05cfcc3..cd34f73513d3 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -723,9 +723,6 @@ unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn) } EXPORT_SYMBOL_GPL(gfn_to_hva); -/* - * Requires current->mm->mmap_sem to be held - */ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) { struct page *page[1]; @@ -741,20 +738,23 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) return page_to_pfn(bad_page); } - npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page, - NULL); + npages = get_user_pages_fast(addr, 1, 1, page); if (unlikely(npages != 1)) { struct vm_area_struct *vma; + down_read(¤t->mm->mmap_sem); vma = find_vma(current->mm, addr); + if (vma == NULL || addr < vma->vm_start || !(vma->vm_flags & VM_PFNMAP)) { + up_read(¤t->mm->mmap_sem); get_page(bad_page); return page_to_pfn(bad_page); } pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; + up_read(¤t->mm->mmap_sem); BUG_ON(!is_mmio_pfn(pfn)); } else pfn = page_to_pfn(page[0]); -- GitLab From 2259e3a7a6089007839cd4bbf7c9867190c67238 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Fri, 22 Aug 2008 13:29:17 -0700 Subject: [PATCH 4975/6244] KVM: x86.c make kvm_load_realmode_segment static Noticed by sparse: arch/x86/kvm/x86.c:3591:5: warning: symbol 'kvm_load_realmode_segment' was not declared. Should it be static? Signed-off-by: Harvey Harrison Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 108f07267e87..1b738cb02831 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3611,7 +3611,7 @@ static int load_segment_descriptor_to_kvm_desct(struct kvm_vcpu *vcpu, return 0; } -int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int seg) +static int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int seg) { struct kvm_segment segvar = { .base = selector << 4, -- GitLab From 9ea1de4ea4b04d5132eb74917ecea77dda13ce76 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Fri, 19 Sep 2008 19:25:30 -0700 Subject: [PATCH 4976/6244] MAINTAINERS: Update Avi Kivity's email address Signed-off-by: Avi Kivity --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 87ba4a6a5875..24fd69314568 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2443,7 +2443,7 @@ S: Supported KERNEL VIRTUAL MACHINE (KVM) P: Avi Kivity -M: avi@qumranet.com +M: avi@redhat.com L: kvm@vger.kernel.org W: http://kvm.qumranet.com S: Supported -- GitLab From af2152f5457448bd90cb019c108e0a85e716fdbe Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Mon, 22 Sep 2008 14:28:53 +0300 Subject: [PATCH 4977/6244] KVM: don't enter guest after SIPI was received by a CPU The vcpu should process pending SIPI message before entering guest mode again. kvm_arch_vcpu_runnable() returns true if the vcpu is in SIPI state, so we can't call it here. Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1b738cb02831..08edeabf15e6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3233,7 +3233,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) r = 1; while (r > 0) { - if (kvm_arch_vcpu_runnable(vcpu)) + if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE) r = vcpu_enter_guest(vcpu, kvm_run); else { up_read(&vcpu->kvm->slots_lock); -- GitLab From 7d8fece678c1abc2ca3e1ceda2277c3538a9161c Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Wed, 17 Sep 2008 23:16:59 -0300 Subject: [PATCH 4978/6244] KVM: Don't destroy vcpu in case vcpu_setup fails One of vcpu_setup responsibilities is to do mmu initialization. However, in case we fail in kvm_arch_vcpu_reset, before we get the chance to init mmu. OTOH, vcpu_destroy will attempt to destroy mmu, triggering a bug. Keeping track of whether or not mmu is initialized would unnecessarily complicate things. Rather, we just make return, making sure any needed uninitialization is done before we return, in case we fail. Signed-off-by: Glauber Costa Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index cd34f73513d3..ef9a121bbd13 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1089,12 +1089,11 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n) r = kvm_arch_vcpu_setup(vcpu); if (r) - goto vcpu_destroy; + return r; mutex_lock(&kvm->lock); if (kvm->vcpus[n]) { r = -EEXIST; - mutex_unlock(&kvm->lock); goto vcpu_destroy; } kvm->vcpus[n] = vcpu; @@ -1110,8 +1109,8 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n) unlink: mutex_lock(&kvm->lock); kvm->vcpus[n] = NULL; - mutex_unlock(&kvm->lock); vcpu_destroy: + mutex_unlock(&kvm->lock); kvm_arch_vcpu_destroy(vcpu); return r; } -- GitLab From 271b05281f7f485a0be8764860687ebb98459b80 Mon Sep 17 00:00:00 2001 From: Weidong Han Date: Wed, 24 Sep 2008 13:39:57 +0800 Subject: [PATCH 4979/6244] KVM: Remove useless intel-iommu.h header inclusion Currently "#include " is not needed in virt/kvm/kvm_main.c. Signed-off-by: Weidong Han Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index ef9a121bbd13..6cf042789ad1 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -41,7 +41,6 @@ #include #include #include -#include #include #include -- GitLab From 81aec5227eedf9035e8544d8021ca6b8fb7c357a Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Fri, 12 Sep 2008 20:23:11 +0800 Subject: [PATCH 4980/6244] KVM: ia64: Implement a uniform vps interface An uniform entry kvm_vps_entry is added for vps_sync_write/read, vps_resume_handler/guest, and branches to differnt PAL service according to the offset. Singed-off-by: Anthony Xu Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/kvm_minstate.h | 23 ++++-------- arch/ia64/kvm/optvfault.S | 69 ++++++++++++++++++++++++++++++++++++ arch/ia64/kvm/process.c | 4 +-- arch/ia64/kvm/vmm_ivt.S | 39 ++++---------------- 4 files changed, 84 insertions(+), 51 deletions(-) diff --git a/arch/ia64/kvm/kvm_minstate.h b/arch/ia64/kvm/kvm_minstate.h index 13980d9b8bcf..2cc41d17cf99 100644 --- a/arch/ia64/kvm/kvm_minstate.h +++ b/arch/ia64/kvm/kvm_minstate.h @@ -50,27 +50,18 @@ #define PAL_VSA_SYNC_READ \ /* begin to call pal vps sync_read */ \ +{.mii; \ add r25 = VMM_VPD_BASE_OFFSET, r21; \ - adds r20 = VMM_VCPU_VSA_BASE_OFFSET, r21; /* entry point */ \ + nop 0x0; \ + mov r24=ip; \ ;; \ +} \ +{.mmb \ + add r24=0x20, r24; \ ld8 r25 = [r25]; /* read vpd base */ \ - ld8 r20 = [r20]; \ - ;; \ - add r20 = PAL_VPS_SYNC_READ,r20; \ - ;; \ -{ .mii; \ - nop 0x0; \ - mov r24 = ip; \ - mov b0 = r20; \ + br.cond.sptk kvm_vps_sync_read; /*call the service*/ \ ;; \ }; \ -{ .mmb; \ - add r24 = 0x20, r24; \ - nop 0x0; \ - br.cond.sptk b0; /* call the service */ \ - ;; \ -}; - #define KVM_MINSTATE_GET_CURRENT(reg) mov reg=r21 diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S index e4f15d641b22..f0bf0a8efa3e 100644 --- a/arch/ia64/kvm/optvfault.S +++ b/arch/ia64/kvm/optvfault.S @@ -20,6 +20,75 @@ #define ACCE_MOV_TO_PSR #define ACCE_THASH +ENTRY(kvm_vps_entry) + adds r29 = VMM_VCPU_VSA_BASE_OFFSET,r21 + ;; + ld8 r29 = [r29] + ;; + add r29 = r29, r30 + ;; + mov b0 = r29 + br.sptk.many b0 +END(kvm_vps_entry) + +/* + * Inputs: + * r24 : return address + * r25 : vpd + * r29 : scratch + * + */ +GLOBAL_ENTRY(kvm_vps_sync_read) + movl r30 = PAL_VPS_SYNC_READ + ;; + br.sptk.many kvm_vps_entry +END(kvm_vps_sync_read) + +/* + * Inputs: + * r24 : return address + * r25 : vpd + * r29 : scratch + * + */ +GLOBAL_ENTRY(kvm_vps_sync_write) + movl r30 = PAL_VPS_SYNC_WRITE + ;; + br.sptk.many kvm_vps_entry +END(kvm_vps_sync_write) + +/* + * Inputs: + * r23 : pr + * r24 : guest b0 + * r25 : vpd + * + */ +GLOBAL_ENTRY(kvm_vps_resume_normal) + movl r30 = PAL_VPS_RESUME_NORMAL + ;; + mov pr=r23,-2 + br.sptk.many kvm_vps_entry +END(kvm_vps_resume_normal) + +/* + * Inputs: + * r23 : pr + * r24 : guest b0 + * r25 : vpd + * r17 : isr + */ +GLOBAL_ENTRY(kvm_vps_resume_handler) + movl r30 = PAL_VPS_RESUME_HANDLER + ;; + ld8 r27=[r25] + shr r17=r17,IA64_ISR_IR_BIT + ;; + dep r27=r17,r27,63,1 // bit 63 of r27 indicate whether enable CFLE + mov pr=r23,-2 + br.sptk.many kvm_vps_entry +END(kvm_vps_resume_handler) + //mov r1=ar3 GLOBAL_ENTRY(kvm_asm_mov_from_ar) #ifndef ACCE_MOV_FROM_AR diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c index 5a33f7ed29a0..3417783ae164 100644 --- a/arch/ia64/kvm/process.c +++ b/arch/ia64/kvm/process.c @@ -962,9 +962,9 @@ static void kvm_do_resume_op(struct kvm_vcpu *vcpu) void vmm_transition(struct kvm_vcpu *vcpu) { ia64_call_vsa(PAL_VPS_SAVE, (unsigned long)vcpu->arch.vpd, - 0, 0, 0, 0, 0, 0); + 1, 0, 0, 0, 0, 0); vmm_trampoline(&vcpu->arch.guest, &vcpu->arch.host); ia64_call_vsa(PAL_VPS_RESTORE, (unsigned long)vcpu->arch.vpd, - 0, 0, 0, 0, 0, 0); + 1, 0, 0, 0, 0, 0); kvm_do_resume_op(vcpu); } diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S index 3ee5f481c06d..c1d7251a1480 100644 --- a/arch/ia64/kvm/vmm_ivt.S +++ b/arch/ia64/kvm/vmm_ivt.S @@ -1261,11 +1261,6 @@ kvm_rse_clear_invalid: adds r19=VMM_VPD_VPSR_OFFSET,r18 ;; ld8 r19=[r19] //vpsr - adds r20=VMM_VCPU_VSA_BASE_OFFSET,r21 - ;; - ld8 r20=[r20] - ;; -//vsa_sync_write_start mov r25=r18 adds r16= VMM_VCPU_GP_OFFSET,r21 ;; @@ -1274,10 +1269,7 @@ kvm_rse_clear_invalid: ;; add r24=r24,r16 ;; - add r16=PAL_VPS_SYNC_WRITE,r20 - ;; - mov b0=r16 - br.cond.sptk b0 // call the service + br.sptk.many kvm_vps_sync_write // call the service ;; END(ia64_leave_hypervisor) // fall through @@ -1288,28 +1280,15 @@ GLOBAL_ENTRY(ia64_vmm_entry) * r17:cr.isr * r18:vpd * r19:vpsr - * r20:__vsa_base * r22:b0 * r23:predicate */ mov r24=r22 mov r25=r18 tbit.nz p1,p2 = r19,IA64_PSR_IC_BIT // p1=vpsr.ic + (p1) br.cond.sptk.few kvm_vps_resume_normal + (p2) br.cond.sptk.many kvm_vps_resume_handler ;; - (p1) add r29=PAL_VPS_RESUME_NORMAL,r20 - (p1) br.sptk.many ia64_vmm_entry_out - ;; - tbit.nz p1,p2 = r17,IA64_ISR_IR_BIT //p1=cr.isr.ir - ;; - (p1) add r29=PAL_VPS_RESUME_NORMAL,r20 - (p2) add r29=PAL_VPS_RESUME_HANDLER,r20 - (p2) ld8 r26=[r25] - ;; -ia64_vmm_entry_out: - mov pr=r23,-2 - mov b0=r29 - ;; - br.cond.sptk b0 // call pal service END(ia64_vmm_entry) @@ -1376,6 +1355,9 @@ GLOBAL_ENTRY(vmm_reset_entry) //set up ipsr, iip, vpd.vpsr, dcr // For IPSR: it/dt/rt=1, i/ic=1, si=1, vm/bn=1 // For DCR: all bits 0 + bsw.0 + ;; + mov r21 =r13 adds r14=-VMM_PT_REGS_SIZE, r12 ;; movl r6=0x501008826000 // IPSR dt/rt/it:1;i/ic:1, si:1, vm/bn:1 @@ -1387,12 +1369,6 @@ GLOBAL_ENTRY(vmm_reset_entry) ;; srlz.i ;; - bsw.0 - ;; - mov r21 =r13 - ;; - bsw.1 - ;; mov ar.rsc = 0 ;; flushrs @@ -1406,12 +1382,9 @@ GLOBAL_ENTRY(vmm_reset_entry) ld8 r1 = [r20] ;; mov cr.iip=r4 - ;; adds r16=VMM_VPD_BASE_OFFSET,r13 - adds r20=VMM_VCPU_VSA_BASE_OFFSET,r13 ;; ld8 r18=[r16] - ld8 r20=[r20] ;; adds r19=VMM_VPD_VPSR_OFFSET,r18 ;; -- GitLab From 1f095610aabb9d54617901aa734d2a6093f2000c Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Sat, 13 Sep 2008 06:21:22 +0800 Subject: [PATCH 4981/6244] KVM: ia64: add support for Tukwila processors In Tukwila processor, VT-i has been enhanced in its implementation, it is often called VT-i2 techonology. With VTi-2 support, virtulization performance should be improved. In this patch, we added the related stuff to support kvm/ia64 for Tukwila processors. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/optvfault.S | 112 +++++++++++++++++++++++++++++++------- 1 file changed, 91 insertions(+), 21 deletions(-) diff --git a/arch/ia64/kvm/optvfault.S b/arch/ia64/kvm/optvfault.S index f0bf0a8efa3e..634abad979b5 100644 --- a/arch/ia64/kvm/optvfault.S +++ b/arch/ia64/kvm/optvfault.S @@ -1,9 +1,12 @@ /* - * arch/ia64/vmx/optvfault.S + * arch/ia64/kvm/optvfault.S * optimize virtualization fault handler * * Copyright (C) 2006 Intel Co * Xuefei Xu (Anthony Xu) + * Copyright (C) 2008 Intel Co + * Add the support for Tukwila processors. + * Xiantao Zhang */ #include @@ -20,6 +23,29 @@ #define ACCE_MOV_TO_PSR #define ACCE_THASH +#define VMX_VPS_SYNC_READ \ + add r16=VMM_VPD_BASE_OFFSET,r21; \ + mov r17 = b0; \ + mov r18 = r24; \ + mov r19 = r25; \ + mov r20 = r31; \ + ;; \ +{.mii; \ + ld8 r16 = [r16]; \ + nop 0x0; \ + mov r24 = ip; \ + ;; \ +}; \ +{.mmb; \ + add r24=0x20, r24; \ + mov r25 =r16; \ + br.sptk.many kvm_vps_sync_read; \ +}; \ + mov b0 = r17; \ + mov r24 = r18; \ + mov r25 = r19; \ + mov r31 = r20 + ENTRY(kvm_vps_entry) adds r29 = VMM_VCPU_VSA_BASE_OFFSET,r21 ;; @@ -226,11 +252,11 @@ GLOBAL_ENTRY(kvm_asm_rsm) #ifndef ACCE_RSM br.many kvm_virtualization_fault_back #endif - add r16=VMM_VPD_BASE_OFFSET,r21 + VMX_VPS_SYNC_READ + ;; extr.u r26=r25,6,21 extr.u r27=r25,31,2 ;; - ld8 r16=[r16] extr.u r28=r25,36,1 dep r26=r27,r26,21,2 ;; @@ -265,7 +291,7 @@ GLOBAL_ENTRY(kvm_asm_rsm) tbit.nz p6,p0=r23,0 ;; tbit.z.or p6,p0=r26,IA64_PSR_DT_BIT - (p6) br.dptk kvm_resume_to_guest + (p6) br.dptk kvm_resume_to_guest_with_sync ;; add r26=VMM_VCPU_META_RR0_OFFSET,r21 add r27=VMM_VCPU_META_RR0_OFFSET+8,r21 @@ -281,7 +307,7 @@ GLOBAL_ENTRY(kvm_asm_rsm) mov rr[r28]=r27 ;; srlz.d - br.many kvm_resume_to_guest + br.many kvm_resume_to_guest_with_sync END(kvm_asm_rsm) @@ -290,11 +316,11 @@ GLOBAL_ENTRY(kvm_asm_ssm) #ifndef ACCE_SSM br.many kvm_virtualization_fault_back #endif - add r16=VMM_VPD_BASE_OFFSET,r21 + VMX_VPS_SYNC_READ + ;; extr.u r26=r25,6,21 extr.u r27=r25,31,2 ;; - ld8 r16=[r16] extr.u r28=r25,36,1 dep r26=r27,r26,21,2 ;; //r26 is imm24 @@ -340,7 +366,7 @@ kvm_asm_ssm_1: tbit.nz p6,p0=r29,IA64_PSR_I_BIT ;; tbit.z.or p6,p0=r19,IA64_PSR_I_BIT - (p6) br.dptk kvm_resume_to_guest + (p6) br.dptk kvm_resume_to_guest_with_sync ;; add r29=VPD_VTPR_START_OFFSET,r16 add r30=VPD_VHPI_START_OFFSET,r16 @@ -355,7 +381,7 @@ kvm_asm_ssm_1: ;; cmp.gt p6,p0=r30,r17 (p6) br.dpnt.few kvm_asm_dispatch_vexirq - br.many kvm_resume_to_guest + br.many kvm_resume_to_guest_with_sync END(kvm_asm_ssm) @@ -364,10 +390,9 @@ GLOBAL_ENTRY(kvm_asm_mov_to_psr) #ifndef ACCE_MOV_TO_PSR br.many kvm_virtualization_fault_back #endif - add r16=VMM_VPD_BASE_OFFSET,r21 - extr.u r26=r25,13,7 //r2 + VMX_VPS_SYNC_READ ;; - ld8 r16=[r16] + extr.u r26=r25,13,7 //r2 addl r20=@gprel(asm_mov_from_reg),gp ;; adds r30=kvm_asm_mov_to_psr_back-asm_mov_from_reg,r20 @@ -443,7 +468,7 @@ kvm_asm_mov_to_psr_1: ;; tbit.nz.or p6,p0=r17,IA64_PSR_I_BIT tbit.z.or p6,p0=r30,IA64_PSR_I_BIT - (p6) br.dpnt.few kvm_resume_to_guest + (p6) br.dpnt.few kvm_resume_to_guest_with_sync ;; add r29=VPD_VTPR_START_OFFSET,r16 add r30=VPD_VHPI_START_OFFSET,r16 @@ -458,13 +483,29 @@ kvm_asm_mov_to_psr_1: ;; cmp.gt p6,p0=r30,r17 (p6) br.dpnt.few kvm_asm_dispatch_vexirq - br.many kvm_resume_to_guest + br.many kvm_resume_to_guest_with_sync END(kvm_asm_mov_to_psr) ENTRY(kvm_asm_dispatch_vexirq) //increment iip + mov r17 = b0 + mov r18 = r31 +{.mii + add r25=VMM_VPD_BASE_OFFSET,r21 + nop 0x0 + mov r24 = ip + ;; +} +{.mmb + add r24 = 0x20, r24 + ld8 r25 = [r25] + br.sptk.many kvm_vps_sync_write +} + mov b0 =r17 mov r16=cr.ipsr + mov r31 = r18 + mov r19 = 37 ;; extr.u r17=r16,IA64_PSR_RI_BIT,2 tbit.nz p6,p7=r16,IA64_PSR_RI_BIT+1 @@ -504,25 +545,31 @@ GLOBAL_ENTRY(kvm_asm_thash) ;; kvm_asm_thash_back1: shr.u r23=r19,61 // get RR number - adds r25=VMM_VCPU_VRR0_OFFSET,r21 // get vcpu->arch.vrr[0]'s addr + adds r28=VMM_VCPU_VRR0_OFFSET,r21 // get vcpu->arch.vrr[0]'s addr adds r16=VMM_VPD_VPTA_OFFSET,r16 // get vpta ;; - shladd r27=r23,3,r25 // get vcpu->arch.vrr[r23]'s addr + shladd r27=r23,3,r28 // get vcpu->arch.vrr[r23]'s addr ld8 r17=[r16] // get PTA mov r26=1 ;; - extr.u r29=r17,2,6 // get pta.size - ld8 r25=[r27] // get vcpu->arch.vrr[r23]'s value + extr.u r29=r17,2,6 // get pta.size + ld8 r28=[r27] // get vcpu->arch.vrr[r23]'s value ;; - extr.u r25=r25,2,6 // get rr.ps + mov b0=r24 + //Fallback to C if pta.vf is set + tbit.nz p6,p0=r17, 8 + ;; + (p6) mov r24=EVENT_THASH + (p6) br.cond.dpnt.many kvm_virtualization_fault_back + extr.u r28=r28,2,6 // get rr.ps shl r22=r26,r29 // 1UL << pta.size ;; - shr.u r23=r19,r25 // vaddr >> rr.ps + shr.u r23=r19,r28 // vaddr >> rr.ps adds r26=3,r29 // pta.size + 3 shl r27=r17,3 // pta << 3 ;; shl r23=r23,3 // (vaddr >> rr.ps) << 3 - shr.u r27=r27,r26 // (pta << 3) >> (pta.size+3) + shr.u r27=r27,r26 // (pta << 3) >> (pta.size+3) movl r16=7<<61 ;; adds r22=-1,r22 // (1UL << pta.size) - 1 @@ -793,6 +840,29 @@ END(asm_mov_from_reg) * r31: pr * r24: b0 */ +ENTRY(kvm_resume_to_guest_with_sync) + adds r19=VMM_VPD_BASE_OFFSET,r21 + mov r16 = r31 + mov r17 = r24 + ;; +{.mii + ld8 r25 =[r19] + nop 0x0 + mov r24 = ip + ;; +} +{.mmb + add r24 =0x20, r24 + nop 0x0 + br.sptk.many kvm_vps_sync_write +} + + mov r31 = r16 + mov r24 =r17 + ;; + br.sptk.many kvm_resume_to_guest +END(kvm_resume_to_guest_with_sync) + ENTRY(kvm_resume_to_guest) adds r16 = VMM_VCPU_SAVED_GP_OFFSET,r21 ;; -- GitLab From a08546001c2b0f584ffc81987340943a7d6d6acb Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Tue, 23 Sep 2008 11:01:45 -0700 Subject: [PATCH 4982/6244] x86: pvclock: fix shadowed variable warning arch/x86/kernel/pvclock.c:102:6: warning: symbol 'tsc_khz' shadows an earlier one include/asm/tsc.h:18:21: originally declared here Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Avi Kivity --- arch/x86/kernel/pvclock.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 1c54b5fb7aed..4f9c55f3a7c0 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -99,14 +99,14 @@ static unsigned pvclock_get_time_values(struct pvclock_shadow_time *dst, unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src) { - u64 tsc_khz = 1000000ULL << 32; + u64 pv_tsc_khz = 1000000ULL << 32; - do_div(tsc_khz, src->tsc_to_system_mul); + do_div(pv_tsc_khz, src->tsc_to_system_mul); if (src->tsc_shift < 0) - tsc_khz <<= -src->tsc_shift; + pv_tsc_khz <<= -src->tsc_shift; else - tsc_khz >>= src->tsc_shift; - return tsc_khz; + pv_tsc_khz >>= src->tsc_shift; + return pv_tsc_khz; } cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) -- GitLab From 93a423e7045cf3cf69f960ff307edda1afcd7b41 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:29 -0300 Subject: [PATCH 4983/6244] KVM: MMU: flush remote TLBs on large->normal entry overwrite It is necessary to flush all TLB's when a large spte entry is overwritten with a normal page directory pointer. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/paging_tmpl.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 6dd08e096e24..e9fbaa44d444 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -310,8 +310,11 @@ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep)) return 0; - if (is_large_pte(*sptep)) + if (is_large_pte(*sptep)) { + set_shadow_pte(sptep, shadow_trap_nonpresent_pte); + kvm_flush_remote_tlbs(vcpu->kvm); rmap_remove(vcpu->kvm, sptep); + } if (level == PT_DIRECTORY_LEVEL && gw->level == PT_DIRECTORY_LEVEL) { metaphysical = 1; -- GitLab From 1e73f9dd885957bf0c7bb5e63b350d5aeb06b726 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:30 -0300 Subject: [PATCH 4984/6244] KVM: MMU: split mmu_set_spte Split the spte entry creation code into a new set_spte function. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 101 +++++++++++++++++++++++++-------------------- 1 file changed, 57 insertions(+), 44 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5779a2323e23..9ad4cc553893 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1148,44 +1148,13 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva) return page; } -static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, - unsigned pt_access, unsigned pte_access, - int user_fault, int write_fault, int dirty, - int *ptwrite, int largepage, gfn_t gfn, - pfn_t pfn, bool speculative) +static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, + unsigned pte_access, int user_fault, + int write_fault, int dirty, int largepage, + gfn_t gfn, pfn_t pfn, bool speculative) { u64 spte; - int was_rmapped = 0; - int was_writeble = is_writeble_pte(*shadow_pte); - - pgprintk("%s: spte %llx access %x write_fault %d" - " user_fault %d gfn %lx\n", - __func__, *shadow_pte, pt_access, - write_fault, user_fault, gfn); - - if (is_rmap_pte(*shadow_pte)) { - /* - * If we overwrite a PTE page pointer with a 2MB PMD, unlink - * the parent of the now unreachable PTE. - */ - if (largepage && !is_large_pte(*shadow_pte)) { - struct kvm_mmu_page *child; - u64 pte = *shadow_pte; - - child = page_header(pte & PT64_BASE_ADDR_MASK); - mmu_page_remove_parent_pte(child, shadow_pte); - } else if (pfn != spte_to_pfn(*shadow_pte)) { - pgprintk("hfn old %lx new %lx\n", - spte_to_pfn(*shadow_pte), pfn); - rmap_remove(vcpu->kvm, shadow_pte); - } else { - if (largepage) - was_rmapped = is_large_pte(*shadow_pte); - else - was_rmapped = 1; - } - } - + int ret = 0; /* * We don't set the accessed bit, since we sometimes want to see * whether the guest actually used the pte (in order to detect @@ -1218,26 +1187,70 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, (largepage && has_wrprotected_page(vcpu->kvm, gfn))) { pgprintk("%s: found shadow page for %lx, marking ro\n", __func__, gfn); + ret = 1; pte_access &= ~ACC_WRITE_MASK; if (is_writeble_pte(spte)) { spte &= ~PT_WRITABLE_MASK; kvm_x86_ops->tlb_flush(vcpu); } - if (write_fault) - *ptwrite = 1; } } if (pte_access & ACC_WRITE_MASK) mark_page_dirty(vcpu->kvm, gfn); - pgprintk("%s: setting spte %llx\n", __func__, spte); - pgprintk("instantiating %s PTE (%s) at %ld (%llx) addr %p\n", - (spte&PT_PAGE_SIZE_MASK)? "2MB" : "4kB", - (spte&PT_WRITABLE_MASK)?"RW":"R", gfn, spte, shadow_pte); set_shadow_pte(shadow_pte, spte); - if (!was_rmapped && (spte & PT_PAGE_SIZE_MASK) - && (spte & PT_PRESENT_MASK)) + return ret; +} + + +static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, + unsigned pt_access, unsigned pte_access, + int user_fault, int write_fault, int dirty, + int *ptwrite, int largepage, gfn_t gfn, + pfn_t pfn, bool speculative) +{ + int was_rmapped = 0; + int was_writeble = is_writeble_pte(*shadow_pte); + + pgprintk("%s: spte %llx access %x write_fault %d" + " user_fault %d gfn %lx\n", + __func__, *shadow_pte, pt_access, + write_fault, user_fault, gfn); + + if (is_rmap_pte(*shadow_pte)) { + /* + * If we overwrite a PTE page pointer with a 2MB PMD, unlink + * the parent of the now unreachable PTE. + */ + if (largepage && !is_large_pte(*shadow_pte)) { + struct kvm_mmu_page *child; + u64 pte = *shadow_pte; + + child = page_header(pte & PT64_BASE_ADDR_MASK); + mmu_page_remove_parent_pte(child, shadow_pte); + } else if (pfn != spte_to_pfn(*shadow_pte)) { + pgprintk("hfn old %lx new %lx\n", + spte_to_pfn(*shadow_pte), pfn); + rmap_remove(vcpu->kvm, shadow_pte); + } else { + if (largepage) + was_rmapped = is_large_pte(*shadow_pte); + else + was_rmapped = 1; + } + } + if (set_spte(vcpu, shadow_pte, pte_access, user_fault, write_fault, + dirty, largepage, gfn, pfn, speculative)) + if (write_fault) + *ptwrite = 1; + + pgprintk("%s: setting spte %llx\n", __func__, *shadow_pte); + pgprintk("instantiating %s PTE (%s) at %ld (%llx) addr %p\n", + is_large_pte(*shadow_pte)? "2MB" : "4kB", + is_present_pte(*shadow_pte)?"RW":"R", gfn, + *shadow_pte, shadow_pte); + if (!was_rmapped && is_large_pte(*shadow_pte)) ++vcpu->kvm->stat.lpages; page_header_update_slot(vcpu->kvm, shadow_pte, gfn); -- GitLab From a378b4e64c0fef2d9e53214db167878b7673a7a3 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:31 -0300 Subject: [PATCH 4985/6244] KVM: MMU: move local TLB flush to mmu_set_spte Since the sync page path can collapse flushes. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 9ad4cc553893..23752ef0839c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1189,10 +1189,8 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, __func__, gfn); ret = 1; pte_access &= ~ACC_WRITE_MASK; - if (is_writeble_pte(spte)) { + if (is_writeble_pte(spte)) spte &= ~PT_WRITABLE_MASK; - kvm_x86_ops->tlb_flush(vcpu); - } } } @@ -1241,9 +1239,11 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, } } if (set_spte(vcpu, shadow_pte, pte_access, user_fault, write_fault, - dirty, largepage, gfn, pfn, speculative)) + dirty, largepage, gfn, pfn, speculative)) { if (write_fault) *ptwrite = 1; + kvm_x86_ops->tlb_flush(vcpu); + } pgprintk("%s: setting spte %llx\n", __func__, *shadow_pte); pgprintk("instantiating %s PTE (%s) at %ld (%llx) addr %p\n", -- GitLab From 38187c830cab84daecb41169948467f1f19317e3 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:32 -0300 Subject: [PATCH 4986/6244] KVM: MMU: do not write-protect large mappings There is not much point in write protecting large mappings. This can only happen when a page is shadowed during the window between is_largepage_backed and mmu_lock acquision. Zap the entry instead, so the next pagefault will find a shadowed page via is_largepage_backed and fallback to 4k translations. Simplifies out of sync shadow. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 23752ef0839c..731e6fe9cb07 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1180,11 +1180,16 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, || (write_fault && !is_write_protection(vcpu) && !user_fault)) { struct kvm_mmu_page *shadow; + if (largepage && has_wrprotected_page(vcpu->kvm, gfn)) { + ret = 1; + spte = shadow_trap_nonpresent_pte; + goto set_pte; + } + spte |= PT_WRITABLE_MASK; shadow = kvm_mmu_lookup_page(vcpu->kvm, gfn); - if (shadow || - (largepage && has_wrprotected_page(vcpu->kvm, gfn))) { + if (shadow) { pgprintk("%s: found shadow page for %lx, marking ro\n", __func__, gfn); ret = 1; @@ -1197,6 +1202,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, if (pte_access & ACC_WRITE_MASK) mark_page_dirty(vcpu->kvm, gfn); +set_pte: set_shadow_pte(shadow_pte, spte); return ret; } -- GitLab From e8bc217aef67d41d767ede6e7a7eb10f1d47c86c Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:33 -0300 Subject: [PATCH 4987/6244] KVM: MMU: mode specific sync_page Examine guest pagetable and bring the shadow back in sync. Caller is responsible for local TLB flush before re-entering guest mode. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 10 +++++++ arch/x86/kvm/paging_tmpl.h | 54 ++++++++++++++++++++++++++++++++++++++ include/asm-x86/kvm_host.h | 2 ++ 3 files changed, 66 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 731e6fe9cb07..90f01169c8f0 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -871,6 +871,12 @@ static void nonpaging_prefetch_page(struct kvm_vcpu *vcpu, sp->spt[i] = shadow_trap_nonpresent_pte; } +static int nonpaging_sync_page(struct kvm_vcpu *vcpu, + struct kvm_mmu_page *sp) +{ + return 1; +} + static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn) { unsigned index; @@ -1547,6 +1553,7 @@ static int nonpaging_init_context(struct kvm_vcpu *vcpu) context->gva_to_gpa = nonpaging_gva_to_gpa; context->free = nonpaging_free; context->prefetch_page = nonpaging_prefetch_page; + context->sync_page = nonpaging_sync_page; context->root_level = 0; context->shadow_root_level = PT32E_ROOT_LEVEL; context->root_hpa = INVALID_PAGE; @@ -1594,6 +1601,7 @@ static int paging64_init_context_common(struct kvm_vcpu *vcpu, int level) context->page_fault = paging64_page_fault; context->gva_to_gpa = paging64_gva_to_gpa; context->prefetch_page = paging64_prefetch_page; + context->sync_page = paging64_sync_page; context->free = paging_free; context->root_level = level; context->shadow_root_level = level; @@ -1615,6 +1623,7 @@ static int paging32_init_context(struct kvm_vcpu *vcpu) context->gva_to_gpa = paging32_gva_to_gpa; context->free = paging_free; context->prefetch_page = paging32_prefetch_page; + context->sync_page = paging32_sync_page; context->root_level = PT32_ROOT_LEVEL; context->shadow_root_level = PT32E_ROOT_LEVEL; context->root_hpa = INVALID_PAGE; @@ -1634,6 +1643,7 @@ static int init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->page_fault = tdp_page_fault; context->free = nonpaging_free; context->prefetch_page = nonpaging_prefetch_page; + context->sync_page = nonpaging_sync_page; context->shadow_root_level = kvm_x86_ops->get_tdp_level(); context->root_hpa = INVALID_PAGE; diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index e9fbaa44d444..776fb6d2fd81 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -507,6 +507,60 @@ static void FNAME(prefetch_page)(struct kvm_vcpu *vcpu, } } +/* + * Using the cached information from sp->gfns is safe because: + * - The spte has a reference to the struct page, so the pfn for a given gfn + * can't change unless all sptes pointing to it are nuked first. + * - Alias changes zap the entire shadow cache. + */ +static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + int i, offset, nr_present; + + offset = nr_present = 0; + + if (PTTYPE == 32) + offset = sp->role.quadrant << PT64_LEVEL_BITS; + + for (i = 0; i < PT64_ENT_PER_PAGE; i++) { + unsigned pte_access; + pt_element_t gpte; + gpa_t pte_gpa; + gfn_t gfn = sp->gfns[i]; + + if (!is_shadow_present_pte(sp->spt[i])) + continue; + + pte_gpa = gfn_to_gpa(sp->gfn); + pte_gpa += (i+offset) * sizeof(pt_element_t); + + if (kvm_read_guest_atomic(vcpu->kvm, pte_gpa, &gpte, + sizeof(pt_element_t))) + return -EINVAL; + + if (gpte_to_gfn(gpte) != gfn || !is_present_pte(gpte) || + !(gpte & PT_ACCESSED_MASK)) { + u64 nonpresent; + + rmap_remove(vcpu->kvm, &sp->spt[i]); + if (is_present_pte(gpte)) + nonpresent = shadow_trap_nonpresent_pte; + else + nonpresent = shadow_notrap_nonpresent_pte; + set_shadow_pte(&sp->spt[i], nonpresent); + continue; + } + + nr_present++; + pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte); + set_spte(vcpu, &sp->spt[i], pte_access, 0, 0, + is_dirty_pte(gpte), 0, gfn, + spte_to_pfn(sp->spt[i]), true); + } + + return !nr_present; +} + #undef pt_element_t #undef guest_walker #undef shadow_walker diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 805629c0f15f..8bad9bd9b37e 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -220,6 +220,8 @@ struct kvm_mmu { gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva); void (*prefetch_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page); + int (*sync_page)(struct kvm_vcpu *vcpu, + struct kvm_mmu_page *sp); hpa_t root_hpa; int root_level; int shadow_root_level; -- GitLab From 0ba73cdadb8ac172f396df7e23c4a9cebd59b550 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:34 -0300 Subject: [PATCH 4988/6244] KVM: MMU: sync roots on mmu reload Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 36 ++++++++++++++++++++++++++++++++++++ arch/x86/kvm/x86.c | 1 + include/asm-x86/kvm_host.h | 1 + 3 files changed, 38 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 90f01169c8f0..9d8c4bb68a81 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1471,6 +1471,41 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu) vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); } +static void mmu_sync_children(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ +} + +static void mmu_sync_roots(struct kvm_vcpu *vcpu) +{ + int i; + struct kvm_mmu_page *sp; + + if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + return; + if (vcpu->arch.mmu.shadow_root_level == PT64_ROOT_LEVEL) { + hpa_t root = vcpu->arch.mmu.root_hpa; + sp = page_header(root); + mmu_sync_children(vcpu, sp); + return; + } + for (i = 0; i < 4; ++i) { + hpa_t root = vcpu->arch.mmu.pae_root[i]; + + if (root) { + root &= PT64_BASE_ADDR_MASK; + sp = page_header(root); + mmu_sync_children(vcpu, sp); + } + } +} + +void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) +{ + spin_lock(&vcpu->kvm->mmu_lock); + mmu_sync_roots(vcpu); + spin_unlock(&vcpu->kvm->mmu_lock); +} + static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr) { return vaddr; @@ -1715,6 +1750,7 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu) spin_lock(&vcpu->kvm->mmu_lock); kvm_mmu_free_some_pages(vcpu); mmu_alloc_roots(vcpu); + mmu_sync_roots(vcpu); spin_unlock(&vcpu->kvm->mmu_lock); kvm_x86_ops->set_cr3(vcpu, vcpu->arch.mmu.root_hpa); kvm_mmu_flush_tlb(vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 08edeabf15e6..88e6d9abbd2b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -594,6 +594,7 @@ EXPORT_SYMBOL_GPL(kvm_set_cr4); void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) { if (cr3 == vcpu->arch.cr3 && !pdptrs_changed(vcpu)) { + kvm_mmu_sync_roots(vcpu); kvm_mmu_flush_tlb(vcpu); return; } diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 8bad9bd9b37e..475d8ab83bff 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -584,6 +584,7 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); int kvm_mmu_load(struct kvm_vcpu *vcpu); void kvm_mmu_unload(struct kvm_vcpu *vcpu); +void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu); int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); -- GitLab From a7052897b3bcd568a9f5bfaa558957039e7e7ec0 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:35 -0300 Subject: [PATCH 4989/6244] KVM: x86: trap invlpg With pages out of sync invlpg needs to be trapped. For now simply nuke the entry. Untested on AMD. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 18 ++++++++++++++++++ arch/x86/kvm/paging_tmpl.h | 25 +++++++++++++++++++++++++ arch/x86/kvm/svm.c | 13 +++++++++++-- arch/x86/kvm/vmx.c | 19 ++++++++++++++++--- arch/x86/kvm/x86.c | 1 + include/asm-x86/kvm_host.h | 2 ++ 6 files changed, 73 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 9d8c4bb68a81..e89af1df4fcd 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -877,6 +877,10 @@ static int nonpaging_sync_page(struct kvm_vcpu *vcpu, return 1; } +static void nonpaging_invlpg(struct kvm_vcpu *vcpu, gva_t gva) +{ +} + static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn) { unsigned index; @@ -1589,6 +1593,7 @@ static int nonpaging_init_context(struct kvm_vcpu *vcpu) context->free = nonpaging_free; context->prefetch_page = nonpaging_prefetch_page; context->sync_page = nonpaging_sync_page; + context->invlpg = nonpaging_invlpg; context->root_level = 0; context->shadow_root_level = PT32E_ROOT_LEVEL; context->root_hpa = INVALID_PAGE; @@ -1637,6 +1642,7 @@ static int paging64_init_context_common(struct kvm_vcpu *vcpu, int level) context->gva_to_gpa = paging64_gva_to_gpa; context->prefetch_page = paging64_prefetch_page; context->sync_page = paging64_sync_page; + context->invlpg = paging64_invlpg; context->free = paging_free; context->root_level = level; context->shadow_root_level = level; @@ -1659,6 +1665,7 @@ static int paging32_init_context(struct kvm_vcpu *vcpu) context->free = paging_free; context->prefetch_page = paging32_prefetch_page; context->sync_page = paging32_sync_page; + context->invlpg = paging32_invlpg; context->root_level = PT32_ROOT_LEVEL; context->shadow_root_level = PT32E_ROOT_LEVEL; context->root_hpa = INVALID_PAGE; @@ -1679,6 +1686,7 @@ static int init_kvm_tdp_mmu(struct kvm_vcpu *vcpu) context->free = nonpaging_free; context->prefetch_page = nonpaging_prefetch_page; context->sync_page = nonpaging_sync_page; + context->invlpg = nonpaging_invlpg; context->shadow_root_level = kvm_x86_ops->get_tdp_level(); context->root_hpa = INVALID_PAGE; @@ -2071,6 +2079,16 @@ out: } EXPORT_SYMBOL_GPL(kvm_mmu_page_fault); +void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva) +{ + spin_lock(&vcpu->kvm->mmu_lock); + vcpu->arch.mmu.invlpg(vcpu, gva); + spin_unlock(&vcpu->kvm->mmu_lock); + kvm_mmu_flush_tlb(vcpu); + ++vcpu->stat.invlpg; +} +EXPORT_SYMBOL_GPL(kvm_mmu_invlpg); + void kvm_enable_tdp(void) { tdp_enabled = true; diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 776fb6d2fd81..dc169e8148b1 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -461,6 +461,31 @@ out_unlock: return 0; } +static int FNAME(shadow_invlpg_entry)(struct kvm_shadow_walk *_sw, + struct kvm_vcpu *vcpu, u64 addr, + u64 *sptep, int level) +{ + + if (level == PT_PAGE_TABLE_LEVEL) { + if (is_shadow_present_pte(*sptep)) + rmap_remove(vcpu->kvm, sptep); + set_shadow_pte(sptep, shadow_trap_nonpresent_pte); + return 1; + } + if (!is_shadow_present_pte(*sptep)) + return 1; + return 0; +} + +static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva) +{ + struct shadow_walker walker = { + .walker = { .entry = FNAME(shadow_invlpg_entry), }, + }; + + walk_shadow(&walker.walker, vcpu, gva); +} + static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr) { struct guest_walker walker; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 9b54550fa4d2..9c4ce657d963 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -525,6 +525,7 @@ static void init_vmcb(struct vcpu_svm *svm) (1ULL << INTERCEPT_CPUID) | (1ULL << INTERCEPT_INVD) | (1ULL << INTERCEPT_HLT) | + (1ULL << INTERCEPT_INVLPG) | (1ULL << INTERCEPT_INVLPGA) | (1ULL << INTERCEPT_IOIO_PROT) | (1ULL << INTERCEPT_MSR_PROT) | @@ -589,7 +590,8 @@ static void init_vmcb(struct vcpu_svm *svm) if (npt_enabled) { /* Setup VMCB for Nested Paging */ control->nested_ctl = 1; - control->intercept &= ~(1ULL << INTERCEPT_TASK_SWITCH); + control->intercept &= ~((1ULL << INTERCEPT_TASK_SWITCH) | + (1ULL << INTERCEPT_INVLPG)); control->intercept_exceptions &= ~(1 << PF_VECTOR); control->intercept_cr_read &= ~(INTERCEPT_CR0_MASK| INTERCEPT_CR3_MASK); @@ -1164,6 +1166,13 @@ static int cpuid_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) return 1; } +static int invlpg_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) +{ + if (emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0) != EMULATE_DONE) + pr_unimpl(&svm->vcpu, "%s: failed\n", __func__); + return 1; +} + static int emulate_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run) { @@ -1417,7 +1426,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm, [SVM_EXIT_CPUID] = cpuid_interception, [SVM_EXIT_INVD] = emulate_on_interception, [SVM_EXIT_HLT] = halt_interception, - [SVM_EXIT_INVLPG] = emulate_on_interception, + [SVM_EXIT_INVLPG] = invlpg_interception, [SVM_EXIT_INVLPGA] = invalid_op_interception, [SVM_EXIT_IOIO] = io_interception, [SVM_EXIT_MSR] = msr_interception, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 025bf4011abc..4556cc3715bb 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1130,7 +1130,8 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) CPU_BASED_CR3_STORE_EXITING | CPU_BASED_USE_IO_BITMAPS | CPU_BASED_MOV_DR_EXITING | - CPU_BASED_USE_TSC_OFFSETING; + CPU_BASED_USE_TSC_OFFSETING | + CPU_BASED_INVLPG_EXITING; opt = CPU_BASED_TPR_SHADOW | CPU_BASED_USE_MSR_BITMAPS | CPU_BASED_ACTIVATE_SECONDARY_CONTROLS; @@ -1159,9 +1160,11 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) _cpu_based_exec_control &= ~CPU_BASED_TPR_SHADOW; #endif if (_cpu_based_2nd_exec_control & SECONDARY_EXEC_ENABLE_EPT) { - /* CR3 accesses don't need to cause VM Exits when EPT enabled */ + /* CR3 accesses and invlpg don't need to cause VM Exits when EPT + enabled */ min &= ~(CPU_BASED_CR3_LOAD_EXITING | - CPU_BASED_CR3_STORE_EXITING); + CPU_BASED_CR3_STORE_EXITING | + CPU_BASED_INVLPG_EXITING); if (adjust_vmx_controls(min, opt, MSR_IA32_VMX_PROCBASED_CTLS, &_cpu_based_exec_control) < 0) return -EIO; @@ -2790,6 +2793,15 @@ static int handle_vmcall(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) return 1; } +static int handle_invlpg(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +{ + u64 exit_qualification = vmcs_read64(EXIT_QUALIFICATION); + + kvm_mmu_invlpg(vcpu, exit_qualification); + skip_emulated_instruction(vcpu); + return 1; +} + static int handle_wbinvd(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { skip_emulated_instruction(vcpu); @@ -2958,6 +2970,7 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu, [EXIT_REASON_MSR_WRITE] = handle_wrmsr, [EXIT_REASON_PENDING_INTERRUPT] = handle_interrupt_window, [EXIT_REASON_HLT] = handle_halt, + [EXIT_REASON_INVLPG] = handle_invlpg, [EXIT_REASON_VMCALL] = handle_vmcall, [EXIT_REASON_TPR_BELOW_THRESHOLD] = handle_tpr_below_threshold, [EXIT_REASON_APIC_ACCESS] = handle_apic_access, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 88e6d9abbd2b..efee85ba07e5 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2341,6 +2341,7 @@ static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg) int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address) { + kvm_mmu_invlpg(vcpu, address); return X86EMUL_CONTINUE; } diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 475d8ab83bff..8b935cc4c14b 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -222,6 +222,7 @@ struct kvm_mmu { struct kvm_mmu_page *page); int (*sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp); + void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); hpa_t root_hpa; int root_level; int shadow_root_level; @@ -591,6 +592,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); int kvm_fix_hypercall(struct kvm_vcpu *vcpu); int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code); +void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); void kvm_enable_tdp(void); void kvm_disable_tdp(void); -- GitLab From ad8cfbe3fffdc09704f0808fde3934855620d545 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:36 -0300 Subject: [PATCH 4990/6244] KVM: MMU: mmu_parent_walk Introduce a function to walk all parents of a given page, invoking a handler. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index e89af1df4fcd..b82abee78f17 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -147,6 +147,8 @@ struct kvm_shadow_walk { u64 addr, u64 *spte, int level); }; +typedef int (*mmu_parent_walk_fn) (struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp); + static struct kmem_cache *pte_chain_cache; static struct kmem_cache *rmap_desc_cache; static struct kmem_cache *mmu_page_header_cache; @@ -862,6 +864,31 @@ static void mmu_page_remove_parent_pte(struct kvm_mmu_page *sp, BUG(); } + +static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, + mmu_parent_walk_fn fn) +{ + struct kvm_pte_chain *pte_chain; + struct hlist_node *node; + struct kvm_mmu_page *parent_sp; + int i; + + if (!sp->multimapped && sp->parent_pte) { + parent_sp = page_header(__pa(sp->parent_pte)); + fn(vcpu, parent_sp); + mmu_parent_walk(vcpu, parent_sp, fn); + return; + } + hlist_for_each_entry(pte_chain, node, &sp->parent_ptes, link) + for (i = 0; i < NR_PTE_CHAIN_ENTRIES; ++i) { + if (!pte_chain->parent_ptes[i]) + break; + parent_sp = page_header(__pa(pte_chain->parent_ptes[i])); + fn(vcpu, parent_sp); + mmu_parent_walk(vcpu, parent_sp, fn); + } +} + static void nonpaging_prefetch_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) { -- GitLab From 0738541396be165995c7f2387746eb0b47024fec Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:37 -0300 Subject: [PATCH 4991/6244] KVM: MMU: awareness of new kvm_mmu_zap_page behaviour kvm_mmu_zap_page will soon zap the unsynced children of a page. Restart list walk in such case. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b82abee78f17..c9b4b902527b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1078,7 +1078,7 @@ static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp) } } -static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) +static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) { ++kvm->stat.mmu_shadow_zapped; kvm_mmu_page_unlink_children(kvm, sp); @@ -1095,6 +1095,7 @@ static void kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) kvm_reload_remote_mmus(kvm); } kvm_mmu_reset_last_pte_updated(kvm); + return 0; } /* @@ -1147,8 +1148,9 @@ static int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn) if (sp->gfn == gfn && !sp->role.metaphysical) { pgprintk("%s: gfn %lx role %x\n", __func__, gfn, sp->role.word); - kvm_mmu_zap_page(kvm, sp); r = 1; + if (kvm_mmu_zap_page(kvm, sp)) + n = bucket->first; } return r; } @@ -1992,7 +1994,8 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, */ pgprintk("misaligned: gpa %llx bytes %d role %x\n", gpa, bytes, sp->role.word); - kvm_mmu_zap_page(vcpu->kvm, sp); + if (kvm_mmu_zap_page(vcpu->kvm, sp)) + n = bucket->first; ++vcpu->kvm->stat.mmu_flooded; continue; } @@ -2226,7 +2229,9 @@ void kvm_mmu_zap_all(struct kvm *kvm) spin_lock(&kvm->mmu_lock); list_for_each_entry_safe(sp, node, &kvm->arch.active_mmu_pages, link) - kvm_mmu_zap_page(kvm, sp); + if (kvm_mmu_zap_page(kvm, sp)) + node = container_of(kvm->arch.active_mmu_pages.next, + struct kvm_mmu_page, link); spin_unlock(&kvm->mmu_lock); kvm_flush_remote_tlbs(kvm); -- GitLab From 6844dec6948679d084f054235fee19ba4e3a3096 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:38 -0300 Subject: [PATCH 4992/6244] KVM: MMU: mmu_convert_notrap helper Need to convert shadow_notrap_nonpresent -> shadow_trap_nonpresent when unsyncing pages. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c9b4b902527b..57c7580e7f98 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1173,6 +1173,20 @@ static void page_header_update_slot(struct kvm *kvm, void *pte, gfn_t gfn) __set_bit(slot, &sp->slot_bitmap); } +static void mmu_convert_notrap(struct kvm_mmu_page *sp) +{ + int i; + u64 *pt = sp->spt; + + if (shadow_trap_nonpresent_pte == shadow_notrap_nonpresent_pte) + return; + + for (i = 0; i < PT64_ENT_PER_PAGE; ++i) { + if (pt[i] == shadow_notrap_nonpresent_pte) + set_shadow_pte(&pt[i], shadow_trap_nonpresent_pte); + } +} + struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva) { struct page *page; -- GitLab From 4731d4c7a07769cf2926c327177b97bb8c68cafc Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:39 -0300 Subject: [PATCH 4993/6244] KVM: MMU: out of sync shadow core Allow guest pagetables to go out of sync. Instead of emulating write accesses to guest pagetables, or unshadowing them, we un-write-protect the page table and allow the guest to modify it at will. We rely on invlpg executions to synchronize individual ptes, and will synchronize the entire pagetable on tlb flushes. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 210 ++++++++++++++++++++++++++++++++++--- arch/x86/kvm/paging_tmpl.h | 2 +- arch/x86/kvm/x86.c | 3 + include/asm-x86/kvm_host.h | 3 + include/linux/kvm_host.h | 1 + 5 files changed, 201 insertions(+), 18 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 57c7580e7f98..d88659ae7778 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -147,6 +147,10 @@ struct kvm_shadow_walk { u64 addr, u64 *spte, int level); }; +struct kvm_unsync_walk { + int (*entry) (struct kvm_mmu_page *sp, struct kvm_unsync_walk *walk); +}; + typedef int (*mmu_parent_walk_fn) (struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp); static struct kmem_cache *pte_chain_cache; @@ -654,8 +658,6 @@ static void rmap_write_protect(struct kvm *kvm, u64 gfn) if (write_protected) kvm_flush_remote_tlbs(kvm); - - account_shadowed(kvm, gfn); } static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp) @@ -908,6 +910,41 @@ static void nonpaging_invlpg(struct kvm_vcpu *vcpu, gva_t gva) { } +static int mmu_unsync_walk(struct kvm_mmu_page *sp, + struct kvm_unsync_walk *walker) +{ + int i, ret; + + if (!sp->unsync_children) + return 0; + + for (i = 0; i < PT64_ENT_PER_PAGE; ++i) { + u64 ent = sp->spt[i]; + + if (is_shadow_present_pte(ent)) { + struct kvm_mmu_page *child; + child = page_header(ent & PT64_BASE_ADDR_MASK); + + if (child->unsync_children) { + ret = mmu_unsync_walk(child, walker); + if (ret) + return ret; + } + + if (child->unsync) { + ret = walker->entry(child, walker); + if (ret) + return ret; + } + } + } + + if (i == PT64_ENT_PER_PAGE) + sp->unsync_children = 0; + + return 0; +} + static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn) { unsigned index; @@ -928,6 +965,59 @@ static struct kvm_mmu_page *kvm_mmu_lookup_page(struct kvm *kvm, gfn_t gfn) return NULL; } +static void kvm_unlink_unsync_page(struct kvm *kvm, struct kvm_mmu_page *sp) +{ + WARN_ON(!sp->unsync); + sp->unsync = 0; + --kvm->stat.mmu_unsync; +} + +static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp); + +static int kvm_sync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + if (sp->role.glevels != vcpu->arch.mmu.root_level) { + kvm_mmu_zap_page(vcpu->kvm, sp); + return 1; + } + + rmap_write_protect(vcpu->kvm, sp->gfn); + if (vcpu->arch.mmu.sync_page(vcpu, sp)) { + kvm_mmu_zap_page(vcpu->kvm, sp); + return 1; + } + + kvm_mmu_flush_tlb(vcpu); + kvm_unlink_unsync_page(vcpu->kvm, sp); + return 0; +} + +struct sync_walker { + struct kvm_vcpu *vcpu; + struct kvm_unsync_walk walker; +}; + +static int mmu_sync_fn(struct kvm_mmu_page *sp, struct kvm_unsync_walk *walk) +{ + struct sync_walker *sync_walk = container_of(walk, struct sync_walker, + walker); + struct kvm_vcpu *vcpu = sync_walk->vcpu; + + kvm_sync_page(vcpu, sp); + return (need_resched() || spin_needbreak(&vcpu->kvm->mmu_lock)); +} + +static void mmu_sync_children(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + struct sync_walker walker = { + .walker = { .entry = mmu_sync_fn, }, + .vcpu = vcpu, + }; + + while (mmu_unsync_walk(sp, &walker.walker)) + cond_resched_lock(&vcpu->kvm->mmu_lock); +} + static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, gfn_t gfn, gva_t gaddr, @@ -941,7 +1031,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, unsigned quadrant; struct hlist_head *bucket; struct kvm_mmu_page *sp; - struct hlist_node *node; + struct hlist_node *node, *tmp; role.word = 0; role.glevels = vcpu->arch.mmu.root_level; @@ -957,8 +1047,18 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, gfn, role.word); index = kvm_page_table_hashfn(gfn); bucket = &vcpu->kvm->arch.mmu_page_hash[index]; - hlist_for_each_entry(sp, node, bucket, hash_link) - if (sp->gfn == gfn && sp->role.word == role.word) { + hlist_for_each_entry_safe(sp, node, tmp, bucket, hash_link) + if (sp->gfn == gfn) { + if (sp->unsync) + if (kvm_sync_page(vcpu, sp)) + continue; + + if (sp->role.word != role.word) + continue; + + if (sp->unsync_children) + set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); + mmu_page_add_parent_pte(vcpu, sp, parent_pte); pgprintk("%s: found\n", __func__); return sp; @@ -971,8 +1071,10 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, sp->gfn = gfn; sp->role = role; hlist_add_head(&sp->hash_link, bucket); - if (!metaphysical) + if (!metaphysical) { rmap_write_protect(vcpu->kvm, gfn); + account_shadowed(vcpu->kvm, gfn); + } if (shadow_trap_nonpresent_pte != shadow_notrap_nonpresent_pte) vcpu->arch.mmu.prefetch_page(vcpu, sp); else @@ -1078,14 +1180,47 @@ static void kvm_mmu_unlink_parents(struct kvm *kvm, struct kvm_mmu_page *sp) } } +struct zap_walker { + struct kvm_unsync_walk walker; + struct kvm *kvm; + int zapped; +}; + +static int mmu_zap_fn(struct kvm_mmu_page *sp, struct kvm_unsync_walk *walk) +{ + struct zap_walker *zap_walk = container_of(walk, struct zap_walker, + walker); + kvm_mmu_zap_page(zap_walk->kvm, sp); + zap_walk->zapped = 1; + return 0; +} + +static int mmu_zap_unsync_children(struct kvm *kvm, struct kvm_mmu_page *sp) +{ + struct zap_walker walker = { + .walker = { .entry = mmu_zap_fn, }, + .kvm = kvm, + .zapped = 0, + }; + + if (sp->role.level == PT_PAGE_TABLE_LEVEL) + return 0; + mmu_unsync_walk(sp, &walker.walker); + return walker.zapped; +} + static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) { + int ret; ++kvm->stat.mmu_shadow_zapped; + ret = mmu_zap_unsync_children(kvm, sp); kvm_mmu_page_unlink_children(kvm, sp); kvm_mmu_unlink_parents(kvm, sp); kvm_flush_remote_tlbs(kvm); if (!sp->role.invalid && !sp->role.metaphysical) unaccount_shadowed(kvm, sp->gfn); + if (sp->unsync) + kvm_unlink_unsync_page(kvm, sp); if (!sp->root_count) { hlist_del(&sp->hash_link); kvm_mmu_free_page(kvm, sp); @@ -1095,7 +1230,7 @@ static int kvm_mmu_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp) kvm_reload_remote_mmus(kvm); } kvm_mmu_reset_last_pte_updated(kvm); - return 0; + return ret; } /* @@ -1201,10 +1336,58 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva) return page; } +static int unsync_walk_fn(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + sp->unsync_children = 1; + return 1; +} + +static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + unsigned index; + struct hlist_head *bucket; + struct kvm_mmu_page *s; + struct hlist_node *node, *n; + + index = kvm_page_table_hashfn(sp->gfn); + bucket = &vcpu->kvm->arch.mmu_page_hash[index]; + /* don't unsync if pagetable is shadowed with multiple roles */ + hlist_for_each_entry_safe(s, node, n, bucket, hash_link) { + if (s->gfn != sp->gfn || s->role.metaphysical) + continue; + if (s->role.word != sp->role.word) + return 1; + } + mmu_parent_walk(vcpu, sp, unsync_walk_fn); + ++vcpu->kvm->stat.mmu_unsync; + sp->unsync = 1; + mmu_convert_notrap(sp); + return 0; +} + +static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, + bool can_unsync) +{ + struct kvm_mmu_page *shadow; + + shadow = kvm_mmu_lookup_page(vcpu->kvm, gfn); + if (shadow) { + if (shadow->role.level != PT_PAGE_TABLE_LEVEL) + return 1; + if (shadow->unsync) + return 0; + if (can_unsync) + return kvm_unsync_page(vcpu, shadow); + return 1; + } + return 0; +} + static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, unsigned pte_access, int user_fault, int write_fault, int dirty, int largepage, - gfn_t gfn, pfn_t pfn, bool speculative) + gfn_t gfn, pfn_t pfn, bool speculative, + bool can_unsync) { u64 spte; int ret = 0; @@ -1231,7 +1414,6 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, if ((pte_access & ACC_WRITE_MASK) || (write_fault && !is_write_protection(vcpu) && !user_fault)) { - struct kvm_mmu_page *shadow; if (largepage && has_wrprotected_page(vcpu->kvm, gfn)) { ret = 1; @@ -1241,8 +1423,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, spte |= PT_WRITABLE_MASK; - shadow = kvm_mmu_lookup_page(vcpu->kvm, gfn); - if (shadow) { + if (mmu_need_write_protect(vcpu, gfn, can_unsync)) { pgprintk("%s: found shadow page for %lx, marking ro\n", __func__, gfn); ret = 1; @@ -1260,7 +1441,6 @@ set_pte: return ret; } - static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, unsigned pt_access, unsigned pte_access, int user_fault, int write_fault, int dirty, @@ -1298,7 +1478,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *shadow_pte, } } if (set_spte(vcpu, shadow_pte, pte_access, user_fault, write_fault, - dirty, largepage, gfn, pfn, speculative)) { + dirty, largepage, gfn, pfn, speculative, true)) { if (write_fault) *ptwrite = 1; kvm_x86_ops->tlb_flush(vcpu); @@ -1518,10 +1698,6 @@ static void mmu_alloc_roots(struct kvm_vcpu *vcpu) vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); } -static void mmu_sync_children(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) -{ -} - static void mmu_sync_roots(struct kvm_vcpu *vcpu) { int i; diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index dc169e8148b1..613ec9aa674a 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -580,7 +580,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte); set_spte(vcpu, &sp->spt[i], pte_access, 0, 0, is_dirty_pte(gpte), 0, gfn, - spte_to_pfn(sp->spt[i]), true); + spte_to_pfn(sp->spt[i]), true, false); } return !nr_present; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index efee85ba07e5..1c5864ac0837 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -101,6 +101,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "mmu_flooded", VM_STAT(mmu_flooded) }, { "mmu_recycled", VM_STAT(mmu_recycled) }, { "mmu_cache_miss", VM_STAT(mmu_cache_miss) }, + { "mmu_unsync", VM_STAT(mmu_unsync) }, { "remote_tlb_flush", VM_STAT(remote_tlb_flush) }, { "largepages", VM_STAT(lpages) }, { NULL } @@ -3120,6 +3121,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) if (vcpu->requests) { if (test_and_clear_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests)) __kvm_migrate_timers(vcpu); + if (test_and_clear_bit(KVM_REQ_MMU_SYNC, &vcpu->requests)) + kvm_mmu_sync_roots(vcpu); if (test_and_clear_bit(KVM_REQ_TLB_FLUSH, &vcpu->requests)) kvm_x86_ops->tlb_flush(vcpu); if (test_and_clear_bit(KVM_REQ_REPORT_TPR_ACCESS, diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 8b935cc4c14b..7d36fcc02818 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -195,6 +195,8 @@ struct kvm_mmu_page { */ int multimapped; /* More than one parent_pte? */ int root_count; /* Currently serving as active root */ + bool unsync; + bool unsync_children; union { u64 *parent_pte; /* !multimapped */ struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */ @@ -371,6 +373,7 @@ struct kvm_vm_stat { u32 mmu_flooded; u32 mmu_recycled; u32 mmu_cache_miss; + u32 mmu_unsync; u32 remote_tlb_flush; u32 lpages; }; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6252802c3cc0..73b7c52b9493 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -35,6 +35,7 @@ #define KVM_REQ_TRIPLE_FAULT 4 #define KVM_REQ_PENDING_TIMER 5 #define KVM_REQ_UNHALT 6 +#define KVM_REQ_MMU_SYNC 7 struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; -- GitLab From 0074ff63ebc195701062ca46e0d82fcea0fa3a0a Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:40 -0300 Subject: [PATCH 4994/6244] KVM: MMU: speed up mmu_unsync_walk Cache the unsynced children information in a per-page bitmap. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 72 +++++++++++++++++++++++++++++++------- include/asm-x86/kvm_host.h | 1 + 2 files changed, 61 insertions(+), 12 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d88659ae7778..cb391d629af2 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -891,6 +891,52 @@ static void mmu_parent_walk(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, } } +static void kvm_mmu_update_unsync_bitmap(u64 *spte) +{ + unsigned int index; + struct kvm_mmu_page *sp = page_header(__pa(spte)); + + index = spte - sp->spt; + __set_bit(index, sp->unsync_child_bitmap); + sp->unsync_children = 1; +} + +static void kvm_mmu_update_parents_unsync(struct kvm_mmu_page *sp) +{ + struct kvm_pte_chain *pte_chain; + struct hlist_node *node; + int i; + + if (!sp->parent_pte) + return; + + if (!sp->multimapped) { + kvm_mmu_update_unsync_bitmap(sp->parent_pte); + return; + } + + hlist_for_each_entry(pte_chain, node, &sp->parent_ptes, link) + for (i = 0; i < NR_PTE_CHAIN_ENTRIES; ++i) { + if (!pte_chain->parent_ptes[i]) + break; + kvm_mmu_update_unsync_bitmap(pte_chain->parent_ptes[i]); + } +} + +static int unsync_walk_fn(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) +{ + sp->unsync_children = 1; + kvm_mmu_update_parents_unsync(sp); + return 1; +} + +static void kvm_mmu_mark_parents_unsync(struct kvm_vcpu *vcpu, + struct kvm_mmu_page *sp) +{ + mmu_parent_walk(vcpu, sp, unsync_walk_fn); + kvm_mmu_update_parents_unsync(sp); +} + static void nonpaging_prefetch_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) { @@ -910,6 +956,11 @@ static void nonpaging_invlpg(struct kvm_vcpu *vcpu, gva_t gva) { } +#define for_each_unsync_children(bitmap, idx) \ + for (idx = find_first_bit(bitmap, 512); \ + idx < 512; \ + idx = find_next_bit(bitmap, 512, idx+1)) + static int mmu_unsync_walk(struct kvm_mmu_page *sp, struct kvm_unsync_walk *walker) { @@ -918,7 +969,7 @@ static int mmu_unsync_walk(struct kvm_mmu_page *sp, if (!sp->unsync_children) return 0; - for (i = 0; i < PT64_ENT_PER_PAGE; ++i) { + for_each_unsync_children(sp->unsync_child_bitmap, i) { u64 ent = sp->spt[i]; if (is_shadow_present_pte(ent)) { @@ -929,17 +980,19 @@ static int mmu_unsync_walk(struct kvm_mmu_page *sp, ret = mmu_unsync_walk(child, walker); if (ret) return ret; + __clear_bit(i, sp->unsync_child_bitmap); } if (child->unsync) { ret = walker->entry(child, walker); + __clear_bit(i, sp->unsync_child_bitmap); if (ret) return ret; } } } - if (i == PT64_ENT_PER_PAGE) + if (find_first_bit(sp->unsync_child_bitmap, 512) == 512) sp->unsync_children = 0; return 0; @@ -1056,10 +1109,11 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, if (sp->role.word != role.word) continue; - if (sp->unsync_children) - set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); - mmu_page_add_parent_pte(vcpu, sp, parent_pte); + if (sp->unsync_children) { + set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); + kvm_mmu_mark_parents_unsync(vcpu, sp); + } pgprintk("%s: found\n", __func__); return sp; } @@ -1336,12 +1390,6 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva) return page; } -static int unsync_walk_fn(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) -{ - sp->unsync_children = 1; - return 1; -} - static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) { unsigned index; @@ -1358,7 +1406,7 @@ static int kvm_unsync_page(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) if (s->role.word != sp->role.word) return 1; } - mmu_parent_walk(vcpu, sp, unsync_walk_fn); + kvm_mmu_mark_parents_unsync(vcpu, sp); ++vcpu->kvm->stat.mmu_unsync; sp->unsync = 1; mmu_convert_notrap(sp); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 7d36fcc02818..0992d721c5f7 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -201,6 +201,7 @@ struct kvm_mmu_page { u64 *parent_pte; /* !multimapped */ struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */ }; + DECLARE_BITMAP(unsync_child_bitmap, 512); }; struct kvm_pv_mmu_op_buffer { -- GitLab From 582801a95d2f2ceab841779e1dec0e11dfec44c0 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 23 Sep 2008 13:18:41 -0300 Subject: [PATCH 4995/6244] KVM: MMU: add "oos_shadow" parameter to disable oos Subject says it all. Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index cb391d629af2..99c239c5c0ac 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -70,6 +70,9 @@ static int dbg = 0; module_param(dbg, bool, 0644); #endif +static int oos_shadow = 1; +module_param(oos_shadow, bool, 0644); + #ifndef MMU_DEBUG #define ASSERT(x) do { } while (0) #else @@ -1424,7 +1427,7 @@ static int mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn, return 1; if (shadow->unsync) return 0; - if (can_unsync) + if (can_unsync && oos_shadow) return kvm_unsync_page(vcpu, shadow); return 1; } -- GitLab From e48258009d941891fca35348986b8d280caf31cd Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 24 Sep 2008 20:28:34 -0300 Subject: [PATCH 4996/6244] KVM: PIC: enhance IPI avoidance The PIC code makes little effort to avoid kvm_vcpu_kick(), resulting in unnecessary guest exits in some conditions. For example, if the timer interrupt is routed through the IOAPIC, IRR for IRQ 0 will get set but not cleared, since the APIC is handling the acks. This means that everytime an interrupt < 16 is triggered, the priority logic will find IRQ0 pending and send an IPI to vcpu0 (in case IRQ0 is not masked, which is Linux's case). Introduce a new variable isr_ack to represent the IRQ's for which the guest has been signalled / cleared the ISR. Use it to avoid more than one IPI per trigger-ack cycle, in addition to the avoidance when ISR is set in get_priority(). Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/i8259.c | 17 +++++++++++++++-- arch/x86/kvm/irq.h | 2 ++ arch/x86/kvm/x86.c | 1 + 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 71e3eeeccae8..17e41e165f1a 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -33,6 +33,14 @@ static void pic_clear_isr(struct kvm_kpic_state *s, int irq) { s->isr &= ~(1 << irq); + s->isr_ack |= (1 << irq); +} + +void kvm_pic_clear_isr_ack(struct kvm *kvm) +{ + struct kvm_pic *s = pic_irqchip(kvm); + s->pics[0].isr_ack = 0xff; + s->pics[1].isr_ack = 0xff; } /* @@ -213,6 +221,7 @@ void kvm_pic_reset(struct kvm_kpic_state *s) s->irr = 0; s->imr = 0; s->isr = 0; + s->isr_ack = 0xff; s->priority_add = 0; s->irq_base = 0; s->read_reg_select = 0; @@ -444,10 +453,14 @@ static void pic_irq_request(void *opaque, int level) { struct kvm *kvm = opaque; struct kvm_vcpu *vcpu = kvm->vcpus[0]; + struct kvm_pic *s = pic_irqchip(kvm); + int irq = pic_get_irq(&s->pics[0]); - pic_irqchip(kvm)->output = level; - if (vcpu) + s->output = level; + if (vcpu && level && (s->pics[0].isr_ack & (1 << irq))) { + s->pics[0].isr_ack &= ~(1 << irq); kvm_vcpu_kick(vcpu); + } } struct kvm_pic *kvm_create_pic(struct kvm *kvm) diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 479a3d2d5614..4748532fd1da 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -42,6 +42,7 @@ struct kvm_kpic_state { u8 irr; /* interrupt request register */ u8 imr; /* interrupt mask register */ u8 isr; /* interrupt service register */ + u8 isr_ack; /* interrupt ack detection */ u8 priority_add; /* highest irq priority */ u8 irq_base; u8 read_reg_select; @@ -70,6 +71,7 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm); void kvm_pic_set_irq(void *opaque, int irq, int level); int kvm_pic_read_irq(struct kvm *kvm); void kvm_pic_update_irq(struct kvm_pic *s); +void kvm_pic_clear_isr_ack(struct kvm *kvm); static inline struct kvm_pic *pic_irqchip(struct kvm *kvm) { diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1c5864ac0837..4cfdd1b6df0b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3963,6 +3963,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, pr_debug("Set back pending irq %d\n", pending_vec); } + kvm_pic_clear_isr_ack(vcpu->kvm); } kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); -- GitLab From e5fcfc821a467bd0827635db8fd39ab1213987e5 Mon Sep 17 00:00:00 2001 From: Weidong Han Date: Thu, 25 Sep 2008 23:32:02 +0800 Subject: [PATCH 4997/6244] KVM: Device Assignment: Map mmio pages into VT-d page table Assigned device could DMA to mmio pages, so also need to map mmio pages into VT-d page table. Signed-off-by: Weidong Han Signed-off-by: Avi Kivity --- arch/x86/kvm/vtd.c | 29 +++++++++++------------------ include/asm-x86/kvm_host.h | 2 -- virt/kvm/kvm_main.c | 2 +- 3 files changed, 12 insertions(+), 21 deletions(-) diff --git a/arch/x86/kvm/vtd.c b/arch/x86/kvm/vtd.c index 667bf3fb64bf..a770874f3a3a 100644 --- a/arch/x86/kvm/vtd.c +++ b/arch/x86/kvm/vtd.c @@ -36,37 +36,30 @@ int kvm_iommu_map_pages(struct kvm *kvm, { gfn_t gfn = base_gfn; pfn_t pfn; - int i, r; + int i, r = 0; struct dmar_domain *domain = kvm->arch.intel_iommu_domain; /* check if iommu exists and in use */ if (!domain) return 0; - r = -EINVAL; for (i = 0; i < npages; i++) { /* check if already mapped */ pfn = (pfn_t)intel_iommu_iova_to_pfn(domain, gfn_to_gpa(gfn)); - if (pfn && !is_mmio_pfn(pfn)) + if (pfn) continue; pfn = gfn_to_pfn(kvm, gfn); - if (!is_mmio_pfn(pfn)) { - r = intel_iommu_page_mapping(domain, - gfn_to_gpa(gfn), - pfn_to_hpa(pfn), - PAGE_SIZE, - DMA_PTE_READ | - DMA_PTE_WRITE); - if (r) { - printk(KERN_DEBUG "kvm_iommu_map_pages:" - "iommu failed to map pfn=%lx\n", pfn); - goto unmap_pages; - } - } else { - printk(KERN_DEBUG "kvm_iommu_map_page:" - "invalid pfn=%lx\n", pfn); + r = intel_iommu_page_mapping(domain, + gfn_to_gpa(gfn), + pfn_to_hpa(pfn), + PAGE_SIZE, + DMA_PTE_READ | + DMA_PTE_WRITE); + if (r) { + printk(KERN_ERR "kvm_iommu_map_pages:" + "iommu failed to map pfn=%lx\n", pfn); goto unmap_pages; } gfn++; diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index 0992d721c5f7..ca6bbc0bd97c 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -502,8 +502,6 @@ int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes, gpa_t addr, unsigned long *ret); -int is_mmio_pfn(pfn_t pfn); - extern bool tdp_enabled; enum emulation_result { diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 6cf042789ad1..98cd916448a8 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -76,7 +76,7 @@ static inline int valid_vcpu(int n) return likely(n >= 0 && n < KVM_MAX_VCPUS); } -inline int is_mmio_pfn(pfn_t pfn) +static inline int is_mmio_pfn(pfn_t pfn) { if (pfn_valid(pfn)) return PageReserved(pfn_to_page(pfn)); -- GitLab From 1b10bf31a5de5b76e2e9c2937878a45c5ae2be37 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Tue, 30 Sep 2008 10:41:06 +0200 Subject: [PATCH 4998/6244] KVM: x86: Silence various LAPIC-related host kernel messages KVM-x86 dumps a lot of debug messages that have no meaning for normal operation: - INIT de-assertion is ignored - SIPIs are sent and received - APIC writes are unaligned or < 4 byte long (Windows Server 2003 triggers this on SMP) Degrade them to true debug messages, keeping the host kernel log clean for real problems. Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity --- arch/x86/kvm/lapic.c | 16 +++++++--------- arch/x86/kvm/x86.c | 4 ++-- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index fd00f698692f..6571926bfd33 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -365,16 +365,14 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; kvm_vcpu_kick(vcpu); } else { - printk(KERN_DEBUG - "Ignoring de-assert INIT to vcpu %d\n", - vcpu->vcpu_id); + apic_debug("Ignoring de-assert INIT to vcpu %d\n", + vcpu->vcpu_id); } - break; case APIC_DM_STARTUP: - printk(KERN_DEBUG "SIPI to vcpu %d vector 0x%02x\n", - vcpu->vcpu_id, vector); + apic_debug("SIPI to vcpu %d vector 0x%02x\n", + vcpu->vcpu_id, vector); if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) { vcpu->arch.sipi_vector = vector; vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED; @@ -679,9 +677,9 @@ static void apic_mmio_write(struct kvm_io_device *this, * Refer SDM 8.4.1 */ if (len != 4 || alignment) { - if (printk_ratelimit()) - printk(KERN_ERR "apic write: bad size=%d %lx\n", - len, (long)address); + /* Don't shout loud, $infamous_os would cause only noise. */ + apic_debug("apic write: bad size=%d %lx\n", + len, (long)address); return; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4cfdd1b6df0b..d6d7123d2644 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3224,8 +3224,8 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) int r; if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_SIPI_RECEIVED)) { - printk("vcpu %d received sipi with vector # %x\n", - vcpu->vcpu_id, vcpu->arch.sipi_vector); + pr_debug("vcpu %d received sipi with vector # %x\n", + vcpu->vcpu_id, vcpu->arch.sipi_vector); kvm_lapic_reset(vcpu); r = kvm_x86_ops->vcpu_reset(vcpu); if (r) -- GitLab From 83dbc83a0d7c88c919d769177bd1924a46c9c034 Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 7 Oct 2008 17:01:27 -0300 Subject: [PATCH 4999/6244] KVM: VMX: enable invlpg exiting if EPT is disabled Manually disabling EPT via module option fails to re-enable INVLPG exiting. Reported-by: Gleb Natapov Signed-off-by: Marcelo Tosatti Signed-off-by: Avi Kivity --- arch/x86/kvm/vmx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 4556cc3715bb..2643b430d83a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2118,7 +2118,8 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) } if (!vm_need_ept()) exec_control |= CPU_BASED_CR3_STORE_EXITING | - CPU_BASED_CR3_LOAD_EXITING; + CPU_BASED_CR3_LOAD_EXITING | + CPU_BASED_INVLPG_EXITING; vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, exec_control); if (cpu_has_secondary_exec_ctrls()) { -- GitLab From 371c01b28e4049d1fbf60a9631cdad98f7cae030 Mon Sep 17 00:00:00 2001 From: Zhang xiantao Date: Thu, 11 Sep 2008 13:19:32 +0800 Subject: [PATCH 5000/6244] KVM: Device Assignment: Move vtd.c from arch/x86/kvm/ to virt/kvm/ Preparation for kvm/ia64 VT-d support. Signed-off-by: Zhang xiantao Signed-off-by: Avi Kivity --- arch/x86/kvm/Makefile | 6 +++--- {arch/x86 => virt}/kvm/vtd.c | 0 2 files changed, 3 insertions(+), 3 deletions(-) rename {arch/x86 => virt}/kvm/vtd.c (100%) diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 3072b17447ab..7dce593b9c66 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -7,14 +7,14 @@ common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ ifeq ($(CONFIG_KVM_TRACE),y) common-objs += $(addprefix ../../../virt/kvm/, kvm_trace.o) endif +ifeq ($(CONFIG_DMAR),y) +common-objs += $(addprefix ../../../virt/kvm/, vtd.o) +endif EXTRA_CFLAGS += -Ivirt/kvm -Iarch/x86/kvm kvm-objs := $(common-objs) x86.o mmu.o x86_emulate.o i8259.o irq.o lapic.o \ i8254.o -ifeq ($(CONFIG_DMAR),y) -kvm-objs += vtd.o -endif obj-$(CONFIG_KVM) += kvm.o kvm-intel-objs = vmx.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o diff --git a/arch/x86/kvm/vtd.c b/virt/kvm/vtd.c similarity index 100% rename from arch/x86/kvm/vtd.c rename to virt/kvm/vtd.c -- GitLab From 8a98f6648a2b0756d8f26d6c13332f5526355fec Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Mon, 6 Oct 2008 13:47:38 +0800 Subject: [PATCH 5001/6244] KVM: Move device assignment logic to common code To share with other archs, this patch moves device assignment logic to common parts. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 255 ------------------------------------- include/linux/kvm.h | 2 + include/linux/kvm_host.h | 1 + virt/kvm/kvm_main.c | 268 ++++++++++++++++++++++++++++++++++++++- 4 files changed, 269 insertions(+), 257 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d6d7123d2644..f8bde01ba8e6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -30,7 +30,6 @@ #include #include #include -#include #include #include #include @@ -107,238 +106,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { NULL } }; -static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, - int assigned_dev_id) -{ - struct list_head *ptr; - struct kvm_assigned_dev_kernel *match; - - list_for_each(ptr, head) { - match = list_entry(ptr, struct kvm_assigned_dev_kernel, list); - if (match->assigned_dev_id == assigned_dev_id) - return match; - } - return NULL; -} - -static void kvm_assigned_dev_interrupt_work_handler(struct work_struct *work) -{ - struct kvm_assigned_dev_kernel *assigned_dev; - - assigned_dev = container_of(work, struct kvm_assigned_dev_kernel, - interrupt_work); - - /* This is taken to safely inject irq inside the guest. When - * the interrupt injection (or the ioapic code) uses a - * finer-grained lock, update this - */ - mutex_lock(&assigned_dev->kvm->lock); - kvm_set_irq(assigned_dev->kvm, - assigned_dev->guest_irq, 1); - mutex_unlock(&assigned_dev->kvm->lock); - kvm_put_kvm(assigned_dev->kvm); -} - -/* FIXME: Implement the OR logic needed to make shared interrupts on - * this line behave properly - */ -static irqreturn_t kvm_assigned_dev_intr(int irq, void *dev_id) -{ - struct kvm_assigned_dev_kernel *assigned_dev = - (struct kvm_assigned_dev_kernel *) dev_id; - - kvm_get_kvm(assigned_dev->kvm); - schedule_work(&assigned_dev->interrupt_work); - disable_irq_nosync(irq); - return IRQ_HANDLED; -} - -/* Ack the irq line for an assigned device */ -static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian) -{ - struct kvm_assigned_dev_kernel *dev; - - if (kian->gsi == -1) - return; - - dev = container_of(kian, struct kvm_assigned_dev_kernel, - ack_notifier); - kvm_set_irq(dev->kvm, dev->guest_irq, 0); - enable_irq(dev->host_irq); -} - -static void kvm_free_assigned_device(struct kvm *kvm, - struct kvm_assigned_dev_kernel - *assigned_dev) -{ - if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested) - free_irq(assigned_dev->host_irq, (void *)assigned_dev); - - kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier); - - if (cancel_work_sync(&assigned_dev->interrupt_work)) - /* We had pending work. That means we will have to take - * care of kvm_put_kvm. - */ - kvm_put_kvm(kvm); - - pci_release_regions(assigned_dev->dev); - pci_disable_device(assigned_dev->dev); - pci_dev_put(assigned_dev->dev); - - list_del(&assigned_dev->list); - kfree(assigned_dev); -} - -static void kvm_free_all_assigned_devices(struct kvm *kvm) -{ - struct list_head *ptr, *ptr2; - struct kvm_assigned_dev_kernel *assigned_dev; - - list_for_each_safe(ptr, ptr2, &kvm->arch.assigned_dev_head) { - assigned_dev = list_entry(ptr, - struct kvm_assigned_dev_kernel, - list); - - kvm_free_assigned_device(kvm, assigned_dev); - } -} - -static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, - struct kvm_assigned_irq - *assigned_irq) -{ - int r = 0; - struct kvm_assigned_dev_kernel *match; - - mutex_lock(&kvm->lock); - - match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, - assigned_irq->assigned_dev_id); - if (!match) { - mutex_unlock(&kvm->lock); - return -EINVAL; - } - - if (match->irq_requested) { - match->guest_irq = assigned_irq->guest_irq; - match->ack_notifier.gsi = assigned_irq->guest_irq; - mutex_unlock(&kvm->lock); - return 0; - } - - INIT_WORK(&match->interrupt_work, - kvm_assigned_dev_interrupt_work_handler); - - if (irqchip_in_kernel(kvm)) { - if (!capable(CAP_SYS_RAWIO)) { - r = -EPERM; - goto out_release; - } - - if (assigned_irq->host_irq) - match->host_irq = assigned_irq->host_irq; - else - match->host_irq = match->dev->irq; - match->guest_irq = assigned_irq->guest_irq; - match->ack_notifier.gsi = assigned_irq->guest_irq; - match->ack_notifier.irq_acked = kvm_assigned_dev_ack_irq; - kvm_register_irq_ack_notifier(kvm, &match->ack_notifier); - - /* Even though this is PCI, we don't want to use shared - * interrupts. Sharing host devices with guest-assigned devices - * on the same interrupt line is not a happy situation: there - * are going to be long delays in accepting, acking, etc. - */ - if (request_irq(match->host_irq, kvm_assigned_dev_intr, 0, - "kvm_assigned_device", (void *)match)) { - r = -EIO; - goto out_release; - } - } - - match->irq_requested = true; - mutex_unlock(&kvm->lock); - return r; -out_release: - mutex_unlock(&kvm->lock); - kvm_free_assigned_device(kvm, match); - return r; -} - -static int kvm_vm_ioctl_assign_device(struct kvm *kvm, - struct kvm_assigned_pci_dev *assigned_dev) -{ - int r = 0; - struct kvm_assigned_dev_kernel *match; - struct pci_dev *dev; - - mutex_lock(&kvm->lock); - - match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, - assigned_dev->assigned_dev_id); - if (match) { - /* device already assigned */ - r = -EINVAL; - goto out; - } - - match = kzalloc(sizeof(struct kvm_assigned_dev_kernel), GFP_KERNEL); - if (match == NULL) { - printk(KERN_INFO "%s: Couldn't allocate memory\n", - __func__); - r = -ENOMEM; - goto out; - } - dev = pci_get_bus_and_slot(assigned_dev->busnr, - assigned_dev->devfn); - if (!dev) { - printk(KERN_INFO "%s: host device not found\n", __func__); - r = -EINVAL; - goto out_free; - } - if (pci_enable_device(dev)) { - printk(KERN_INFO "%s: Could not enable PCI device\n", __func__); - r = -EBUSY; - goto out_put; - } - r = pci_request_regions(dev, "kvm_assigned_device"); - if (r) { - printk(KERN_INFO "%s: Could not get access to device regions\n", - __func__); - goto out_disable; - } - match->assigned_dev_id = assigned_dev->assigned_dev_id; - match->host_busnr = assigned_dev->busnr; - match->host_devfn = assigned_dev->devfn; - match->dev = dev; - - match->kvm = kvm; - - list_add(&match->list, &kvm->arch.assigned_dev_head); - - if (assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU) { - r = kvm_iommu_map_guest(kvm, match); - if (r) - goto out_list_del; - } - -out: - mutex_unlock(&kvm->lock); - return r; -out_list_del: - list_del(&match->list); - pci_release_regions(dev); -out_disable: - pci_disable_device(dev); -out_put: - pci_dev_put(dev); -out_free: - kfree(match); - mutex_unlock(&kvm->lock); - return r; -} - unsigned long segment_base(u16 selector) { struct descriptor_table gdt; @@ -2030,28 +1797,6 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; break; } - case KVM_ASSIGN_PCI_DEVICE: { - struct kvm_assigned_pci_dev assigned_dev; - - r = -EFAULT; - if (copy_from_user(&assigned_dev, argp, sizeof assigned_dev)) - goto out; - r = kvm_vm_ioctl_assign_device(kvm, &assigned_dev); - if (r) - goto out; - break; - } - case KVM_ASSIGN_IRQ: { - struct kvm_assigned_irq assigned_irq; - - r = -EFAULT; - if (copy_from_user(&assigned_irq, argp, sizeof assigned_irq)) - goto out; - r = kvm_vm_ioctl_assign_irq(kvm, &assigned_irq); - if (r) - goto out; - break; - } case KVM_GET_PIT: { r = -EFAULT; if (copy_from_user(&u.ps, argp, sizeof(struct kvm_pit_state))) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 4269be171faf..9acf34a6dfbb 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -383,7 +383,9 @@ struct kvm_trace_rec { #define KVM_CAP_MP_STATE 14 #define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ +#ifdef CONFIG_X86 #define KVM_CAP_DEVICE_ASSIGNMENT 17 +#endif #define KVM_CAP_IOMMU 18 /* diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 73b7c52b9493..10c1146cd009 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -281,6 +281,7 @@ void kvm_free_physmem(struct kvm *kvm); struct kvm *kvm_arch_create_vm(void); void kvm_arch_destroy_vm(struct kvm *kvm); +void kvm_free_all_assigned_devices(struct kvm *kvm); int kvm_cpu_get_interrupt(struct kvm_vcpu *v); int kvm_cpu_has_interrupt(struct kvm_vcpu *v); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 98cd916448a8..485bcdc16552 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -51,6 +51,12 @@ #include "coalesced_mmio.h" #endif +#ifdef KVM_CAP_DEVICE_ASSIGNMENT +#include +#include +#include "irq.h" +#endif + MODULE_AUTHOR("Qumranet"); MODULE_LICENSE("GPL"); @@ -71,6 +77,240 @@ static long kvm_vcpu_ioctl(struct file *file, unsigned int ioctl, bool kvm_rebooting; +#ifdef KVM_CAP_DEVICE_ASSIGNMENT +static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head, + int assigned_dev_id) +{ + struct list_head *ptr; + struct kvm_assigned_dev_kernel *match; + + list_for_each(ptr, head) { + match = list_entry(ptr, struct kvm_assigned_dev_kernel, list); + if (match->assigned_dev_id == assigned_dev_id) + return match; + } + return NULL; +} + +static void kvm_assigned_dev_interrupt_work_handler(struct work_struct *work) +{ + struct kvm_assigned_dev_kernel *assigned_dev; + + assigned_dev = container_of(work, struct kvm_assigned_dev_kernel, + interrupt_work); + + /* This is taken to safely inject irq inside the guest. When + * the interrupt injection (or the ioapic code) uses a + * finer-grained lock, update this + */ + mutex_lock(&assigned_dev->kvm->lock); + kvm_set_irq(assigned_dev->kvm, + assigned_dev->guest_irq, 1); + mutex_unlock(&assigned_dev->kvm->lock); + kvm_put_kvm(assigned_dev->kvm); +} + +/* FIXME: Implement the OR logic needed to make shared interrupts on + * this line behave properly + */ +static irqreturn_t kvm_assigned_dev_intr(int irq, void *dev_id) +{ + struct kvm_assigned_dev_kernel *assigned_dev = + (struct kvm_assigned_dev_kernel *) dev_id; + + kvm_get_kvm(assigned_dev->kvm); + schedule_work(&assigned_dev->interrupt_work); + disable_irq_nosync(irq); + return IRQ_HANDLED; +} + +/* Ack the irq line for an assigned device */ +static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian) +{ + struct kvm_assigned_dev_kernel *dev; + + if (kian->gsi == -1) + return; + + dev = container_of(kian, struct kvm_assigned_dev_kernel, + ack_notifier); + kvm_set_irq(dev->kvm, dev->guest_irq, 0); + enable_irq(dev->host_irq); +} + +static void kvm_free_assigned_device(struct kvm *kvm, + struct kvm_assigned_dev_kernel + *assigned_dev) +{ + if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested) + free_irq(assigned_dev->host_irq, (void *)assigned_dev); + + kvm_unregister_irq_ack_notifier(kvm, &assigned_dev->ack_notifier); + + if (cancel_work_sync(&assigned_dev->interrupt_work)) + /* We had pending work. That means we will have to take + * care of kvm_put_kvm. + */ + kvm_put_kvm(kvm); + + pci_release_regions(assigned_dev->dev); + pci_disable_device(assigned_dev->dev); + pci_dev_put(assigned_dev->dev); + + list_del(&assigned_dev->list); + kfree(assigned_dev); +} + +void kvm_free_all_assigned_devices(struct kvm *kvm) +{ + struct list_head *ptr, *ptr2; + struct kvm_assigned_dev_kernel *assigned_dev; + + list_for_each_safe(ptr, ptr2, &kvm->arch.assigned_dev_head) { + assigned_dev = list_entry(ptr, + struct kvm_assigned_dev_kernel, + list); + + kvm_free_assigned_device(kvm, assigned_dev); + } +} + +static int kvm_vm_ioctl_assign_irq(struct kvm *kvm, + struct kvm_assigned_irq + *assigned_irq) +{ + int r = 0; + struct kvm_assigned_dev_kernel *match; + + mutex_lock(&kvm->lock); + + match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, + assigned_irq->assigned_dev_id); + if (!match) { + mutex_unlock(&kvm->lock); + return -EINVAL; + } + + if (match->irq_requested) { + match->guest_irq = assigned_irq->guest_irq; + match->ack_notifier.gsi = assigned_irq->guest_irq; + mutex_unlock(&kvm->lock); + return 0; + } + + INIT_WORK(&match->interrupt_work, + kvm_assigned_dev_interrupt_work_handler); + + if (irqchip_in_kernel(kvm)) { + if (!capable(CAP_SYS_RAWIO)) { + r = -EPERM; + goto out_release; + } + + if (assigned_irq->host_irq) + match->host_irq = assigned_irq->host_irq; + else + match->host_irq = match->dev->irq; + match->guest_irq = assigned_irq->guest_irq; + match->ack_notifier.gsi = assigned_irq->guest_irq; + match->ack_notifier.irq_acked = kvm_assigned_dev_ack_irq; + kvm_register_irq_ack_notifier(kvm, &match->ack_notifier); + + /* Even though this is PCI, we don't want to use shared + * interrupts. Sharing host devices with guest-assigned devices + * on the same interrupt line is not a happy situation: there + * are going to be long delays in accepting, acking, etc. + */ + if (request_irq(match->host_irq, kvm_assigned_dev_intr, 0, + "kvm_assigned_device", (void *)match)) { + r = -EIO; + goto out_release; + } + } + + match->irq_requested = true; + mutex_unlock(&kvm->lock); + return r; +out_release: + mutex_unlock(&kvm->lock); + kvm_free_assigned_device(kvm, match); + return r; +} + +static int kvm_vm_ioctl_assign_device(struct kvm *kvm, + struct kvm_assigned_pci_dev *assigned_dev) +{ + int r = 0; + struct kvm_assigned_dev_kernel *match; + struct pci_dev *dev; + + mutex_lock(&kvm->lock); + + match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head, + assigned_dev->assigned_dev_id); + if (match) { + /* device already assigned */ + r = -EINVAL; + goto out; + } + + match = kzalloc(sizeof(struct kvm_assigned_dev_kernel), GFP_KERNEL); + if (match == NULL) { + printk(KERN_INFO "%s: Couldn't allocate memory\n", + __func__); + r = -ENOMEM; + goto out; + } + dev = pci_get_bus_and_slot(assigned_dev->busnr, + assigned_dev->devfn); + if (!dev) { + printk(KERN_INFO "%s: host device not found\n", __func__); + r = -EINVAL; + goto out_free; + } + if (pci_enable_device(dev)) { + printk(KERN_INFO "%s: Could not enable PCI device\n", __func__); + r = -EBUSY; + goto out_put; + } + r = pci_request_regions(dev, "kvm_assigned_device"); + if (r) { + printk(KERN_INFO "%s: Could not get access to device regions\n", + __func__); + goto out_disable; + } + match->assigned_dev_id = assigned_dev->assigned_dev_id; + match->host_busnr = assigned_dev->busnr; + match->host_devfn = assigned_dev->devfn; + match->dev = dev; + + match->kvm = kvm; + + list_add(&match->list, &kvm->arch.assigned_dev_head); + + if (assigned_dev->flags & KVM_DEV_ASSIGN_ENABLE_IOMMU) { + r = kvm_iommu_map_guest(kvm, match); + if (r) + goto out_list_del; + } + +out: + mutex_unlock(&kvm->lock); + return r; +out_list_del: + list_del(&match->list); + pci_release_regions(dev); +out_disable: + pci_disable_device(dev); +out_put: + pci_dev_put(dev); +out_free: + kfree(match); + mutex_unlock(&kvm->lock); + return r; +} +#endif + static inline int valid_vcpu(int n) { return likely(n >= 0 && n < KVM_MAX_VCPUS); @@ -578,12 +818,12 @@ int __kvm_set_memory_region(struct kvm *kvm, } kvm_free_physmem_slot(&old, &new); - +#ifdef CONFIG_DMAR /* map the pages in iommu page table */ r = kvm_iommu_map_pages(kvm, base_gfn, npages); if (r) goto out; - +#endif return 0; out_free: @@ -1382,6 +1622,30 @@ static long kvm_vm_ioctl(struct file *filp, r = 0; break; } +#endif +#ifdef KVM_CAP_DEVICE_ASSIGNMENT + case KVM_ASSIGN_PCI_DEVICE: { + struct kvm_assigned_pci_dev assigned_dev; + + r = -EFAULT; + if (copy_from_user(&assigned_dev, argp, sizeof assigned_dev)) + goto out; + r = kvm_vm_ioctl_assign_device(kvm, &assigned_dev); + if (r) + goto out; + break; + } + case KVM_ASSIGN_IRQ: { + struct kvm_assigned_irq assigned_irq; + + r = -EFAULT; + if (copy_from_user(&assigned_irq, argp, sizeof assigned_irq)) + goto out; + r = kvm_vm_ioctl_assign_irq(kvm, &assigned_irq); + if (r) + goto out; + break; + } #endif default: r = kvm_arch_vm_ioctl(filp, ioctl, arg); -- GitLab From c77fb9dc7a0383c86eabef30272a763a482403e1 Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Sat, 27 Sep 2008 10:55:40 +0800 Subject: [PATCH 5002/6244] KVM: Change is_mmio_pfn to kvm_is_mmio_pfn, and make it common for all archs Add a kvm_ prefix to avoid polluting kernel's name space. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- include/linux/kvm_host.h | 2 ++ virt/kvm/kvm_main.c | 16 ++++++++-------- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 10c1146cd009..b3b7598b4d94 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -288,6 +288,8 @@ int kvm_cpu_has_interrupt(struct kvm_vcpu *v); int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); +int kvm_is_mmio_pfn(pfn_t pfn); + struct kvm_irq_ack_notifier { struct hlist_node link; unsigned gsi; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 485bcdc16552..cf0ab8ed3845 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -316,7 +316,7 @@ static inline int valid_vcpu(int n) return likely(n >= 0 && n < KVM_MAX_VCPUS); } -static inline int is_mmio_pfn(pfn_t pfn) +inline int kvm_is_mmio_pfn(pfn_t pfn) { if (pfn_valid(pfn)) return PageReserved(pfn_to_page(pfn)); @@ -994,7 +994,7 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) pfn = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; up_read(¤t->mm->mmap_sem); - BUG_ON(!is_mmio_pfn(pfn)); + BUG_ON(!kvm_is_mmio_pfn(pfn)); } else pfn = page_to_pfn(page[0]); @@ -1008,10 +1008,10 @@ struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) pfn_t pfn; pfn = gfn_to_pfn(kvm, gfn); - if (!is_mmio_pfn(pfn)) + if (!kvm_is_mmio_pfn(pfn)) return pfn_to_page(pfn); - WARN_ON(is_mmio_pfn(pfn)); + WARN_ON(kvm_is_mmio_pfn(pfn)); get_page(bad_page); return bad_page; @@ -1027,7 +1027,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean); void kvm_release_pfn_clean(pfn_t pfn) { - if (!is_mmio_pfn(pfn)) + if (!kvm_is_mmio_pfn(pfn)) put_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); @@ -1053,7 +1053,7 @@ EXPORT_SYMBOL_GPL(kvm_set_page_dirty); void kvm_set_pfn_dirty(pfn_t pfn) { - if (!is_mmio_pfn(pfn)) { + if (!kvm_is_mmio_pfn(pfn)) { struct page *page = pfn_to_page(pfn); if (!PageReserved(page)) SetPageDirty(page); @@ -1063,14 +1063,14 @@ EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty); void kvm_set_pfn_accessed(pfn_t pfn) { - if (!is_mmio_pfn(pfn)) + if (!kvm_is_mmio_pfn(pfn)) mark_page_accessed(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed); void kvm_get_pfn(pfn_t pfn) { - if (!is_mmio_pfn(pfn)) + if (!kvm_is_mmio_pfn(pfn)) get_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_get_pfn); -- GitLab From 3de42dc094ecd313dc7d551e007a134b52f8663d Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Mon, 6 Oct 2008 13:48:45 +0800 Subject: [PATCH 5003/6244] KVM: Separate irq ack notification out of arch/x86/kvm/irq.c Moving irq ack notification logic as common, and make it shared with ia64 side. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/include/asm/kvm_host.h | 4 +++ arch/ia64/kvm/Makefile | 2 +- arch/ia64/kvm/irq.h | 5 --- arch/x86/kvm/Makefile | 2 +- arch/x86/kvm/irq.c | 33 ------------------ arch/x86/kvm/irq.h | 8 ----- include/asm-x86/kvm_host.h | 2 ++ include/linux/kvm_host.h | 6 ++++ virt/kvm/irq_comm.c | 60 ++++++++++++++++++++++++++++++++ 9 files changed, 74 insertions(+), 48 deletions(-) create mode 100644 virt/kvm/irq_comm.c diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h index 1efe513a9941..da579a33db12 100644 --- a/arch/ia64/include/asm/kvm_host.h +++ b/arch/ia64/include/asm/kvm_host.h @@ -413,6 +413,10 @@ struct kvm_arch { struct kvm_ioapic *vioapic; struct kvm_vm_stat stat; struct kvm_sal_data rdv_sal_data; + + struct list_head assigned_dev_head; + struct dmar_domain *intel_iommu_domain; + struct hlist_head irq_ack_notifier_list; }; union cpuid3_t { diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile index bf22fb9e6dcf..3b1a1c156ef9 100644 --- a/arch/ia64/kvm/Makefile +++ b/arch/ia64/kvm/Makefile @@ -44,7 +44,7 @@ EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/ EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/ common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ - coalesced_mmio.o) + coalesced_mmio.o irq_comm.o) kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o obj-$(CONFIG_KVM) += kvm.o diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h index f2e6545debf4..604329ac3c99 100644 --- a/arch/ia64/kvm/irq.h +++ b/arch/ia64/kvm/irq.h @@ -23,10 +23,5 @@ #ifndef __IRQ_H #define __IRQ_H -struct kvm; - -static inline void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi) -{ -} #endif diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 7dce593b9c66..c02343594b4d 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -3,7 +3,7 @@ # common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ - coalesced_mmio.o) + coalesced_mmio.o irq_comm.o) ifeq ($(CONFIG_KVM_TRACE),y) common-objs += $(addprefix ../../../virt/kvm/, kvm_trace.o) endif diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 8c1b9c5def78..c019b8edcdb7 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -99,36 +99,3 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu) __kvm_migrate_apic_timer(vcpu); __kvm_migrate_pit_timer(vcpu); } - -/* This should be called with the kvm->lock mutex held */ -void kvm_set_irq(struct kvm *kvm, int irq, int level) -{ - /* Not possible to detect if the guest uses the PIC or the - * IOAPIC. So set the bit in both. The guest will ignore - * writes to the unused one. - */ - kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level); - kvm_pic_set_irq(pic_irqchip(kvm), irq, level); -} - -void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi) -{ - struct kvm_irq_ack_notifier *kian; - struct hlist_node *n; - - hlist_for_each_entry(kian, n, &kvm->arch.irq_ack_notifier_list, link) - if (kian->gsi == gsi) - kian->irq_acked(kian); -} - -void kvm_register_irq_ack_notifier(struct kvm *kvm, - struct kvm_irq_ack_notifier *kian) -{ - hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list); -} - -void kvm_unregister_irq_ack_notifier(struct kvm *kvm, - struct kvm_irq_ack_notifier *kian) -{ - hlist_del(&kian->link); -} diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 4748532fd1da..f17c8f5bbf31 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -68,7 +68,6 @@ struct kvm_pic { }; struct kvm_pic *kvm_create_pic(struct kvm *kvm); -void kvm_pic_set_irq(void *opaque, int irq, int level); int kvm_pic_read_irq(struct kvm *kvm); void kvm_pic_update_irq(struct kvm_pic *s); void kvm_pic_clear_isr_ack(struct kvm *kvm); @@ -85,13 +84,6 @@ static inline int irqchip_in_kernel(struct kvm *kvm) void kvm_pic_reset(struct kvm_kpic_state *s); -void kvm_set_irq(struct kvm *kvm, int irq, int level); -void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); -void kvm_register_irq_ack_notifier(struct kvm *kvm, - struct kvm_irq_ack_notifier *kian); -void kvm_unregister_irq_ack_notifier(struct kvm *kvm, - struct kvm_irq_ack_notifier *kian); - void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec); void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu); void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu); diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h index ca6bbc0bd97c..411fb8cfb24e 100644 --- a/include/asm-x86/kvm_host.h +++ b/include/asm-x86/kvm_host.h @@ -565,6 +565,8 @@ void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2, u32 error_code); +void kvm_pic_set_irq(void *opaque, int irq, int level); + void kvm_inject_nmi(struct kvm_vcpu *vcpu); void fx_init(struct kvm_vcpu *vcpu); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index b3b7598b4d94..3833c48fae3a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -309,6 +309,12 @@ struct kvm_assigned_dev_kernel { struct pci_dev *dev; struct kvm *kvm; }; +void kvm_set_irq(struct kvm *kvm, int irq, int level); +void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi); +void kvm_register_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian); #ifdef CONFIG_DMAR int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn, diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c new file mode 100644 index 000000000000..d0169f5e6047 --- /dev/null +++ b/virt/kvm/irq_comm.c @@ -0,0 +1,60 @@ +/* + * irq_comm.c: Common API for in kernel interrupt controller + * Copyright (c) 2007, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * Authors: + * Yaozu (Eddie) Dong + * + */ + +#include +#include "irq.h" + +#include "ioapic.h" + +/* This should be called with the kvm->lock mutex held */ +void kvm_set_irq(struct kvm *kvm, int irq, int level) +{ + /* Not possible to detect if the guest uses the PIC or the + * IOAPIC. So set the bit in both. The guest will ignore + * writes to the unused one. + */ + kvm_ioapic_set_irq(kvm->arch.vioapic, irq, level); +#ifdef CONFIG_X86 + kvm_pic_set_irq(pic_irqchip(kvm), irq, level); +#endif +} + +void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi) +{ + struct kvm_irq_ack_notifier *kian; + struct hlist_node *n; + + hlist_for_each_entry(kian, n, &kvm->arch.irq_ack_notifier_list, link) + if (kian->gsi == gsi) + kian->irq_acked(kian); +} + +void kvm_register_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian) +{ + hlist_add_head(&kian->link, &kvm->arch.irq_ack_notifier_list); +} + +void kvm_unregister_irq_ack_notifier(struct kvm *kvm, + struct kvm_irq_ack_notifier *kian) +{ + hlist_del(&kian->link); +} -- GitLab From 2f7497719179a9f3270b05434be989d21f9fdc09 Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Sat, 27 Sep 2008 11:46:36 +0800 Subject: [PATCH 5004/6244] KVM: Move irqchip_in_kernel() from ioapic.h to irq.h Moving irqchip_in_kernel() from ioapic.h to irq.h. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/irq.h | 4 ++++ arch/ia64/kvm/kvm-ia64.c | 1 + virt/kvm/ioapic.h | 7 ------- 3 files changed, 5 insertions(+), 7 deletions(-) diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h index 604329ac3c99..c6786e8b1bf4 100644 --- a/arch/ia64/kvm/irq.h +++ b/arch/ia64/kvm/irq.h @@ -23,5 +23,9 @@ #ifndef __IRQ_H #define __IRQ_H +static inline int irqchip_in_kernel(struct kvm *kvm) +{ + return 1; +} #endif diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 7ad759e34295..a6cf719811b7 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -45,6 +45,7 @@ #include "iodev.h" #include "ioapic.h" #include "lapic.h" +#include "irq.h" static unsigned long kvm_vmm_base; static unsigned long kvm_vsa_base; diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h index b52732f493c1..cd7ae7691c9d 100644 --- a/virt/kvm/ioapic.h +++ b/virt/kvm/ioapic.h @@ -79,13 +79,6 @@ static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) return kvm->arch.vioapic; } -#ifdef CONFIG_IA64 -static inline int irqchip_in_kernel(struct kvm *kvm) -{ - return 1; -} -#endif - struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector, unsigned long bitmap); void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode); -- GitLab From 1cbea809c400661eecb538e0dd0bc4f3660f0a35 Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Fri, 3 Oct 2008 14:58:09 +0800 Subject: [PATCH 5005/6244] KVM: ia64: Make pmt table be able to hold physical mmio entries. Don't try to do put_page once the entries are mmio. Set the tag to indicate the mmio space for vmm setting TLB's memory attribute. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/kvm-ia64.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index a6cf719811b7..800a4f2e917e 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1437,17 +1437,24 @@ int kvm_arch_set_memory_region(struct kvm *kvm, int user_alloc) { unsigned long i; - struct page *page; + unsigned long pfn; int npages = mem->memory_size >> PAGE_SHIFT; struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot]; unsigned long base_gfn = memslot->base_gfn; for (i = 0; i < npages; i++) { - page = gfn_to_page(kvm, base_gfn + i); - kvm_set_pmt_entry(kvm, base_gfn + i, - page_to_pfn(page) << PAGE_SHIFT, - _PAGE_AR_RWX|_PAGE_MA_WB); - memslot->rmap[i] = (unsigned long)page; + pfn = gfn_to_pfn(kvm, base_gfn + i); + if (!kvm_is_mmio_pfn(pfn)) { + kvm_set_pmt_entry(kvm, base_gfn + i, + pfn << PAGE_SHIFT, + _PAGE_MA_WB); + memslot->rmap[i] = (unsigned long)pfn_to_page(pfn); + } else { + kvm_set_pmt_entry(kvm, base_gfn + i, + GPFN_LOW_MMIO | (pfn << PAGE_SHIFT), + _PAGE_MA_UC); + memslot->rmap[i] = 0; + } } return 0; -- GitLab From b010eb5103cfbe12ae6f08a4cdb3a748bf78c410 Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Sun, 28 Sep 2008 01:39:46 -0700 Subject: [PATCH 5006/6244] KVM: ia64: add directed mmio range support for kvm guests Using vt-d, kvm guests can be assigned physcial devices, so this patch introduce a new mmio type (directed mmio) to handle its mmio access. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/include/asm/kvm_host.h | 2 +- arch/ia64/kvm/kvm-ia64.c | 4 ++-- arch/ia64/kvm/vcpu.h | 26 +++++++++++++------------- arch/ia64/kvm/vtlb.c | 23 +++++++++++++++++------ 4 files changed, 33 insertions(+), 22 deletions(-) diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h index da579a33db12..85db124d37f6 100644 --- a/arch/ia64/include/asm/kvm_host.h +++ b/arch/ia64/include/asm/kvm_host.h @@ -132,7 +132,7 @@ #define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */ #define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */ #define GPFN_GFW (6UL << 60) /* Guest Firmware */ -#define GPFN_HIGH_MMIO (7UL << 60) /* High MMIO range */ +#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */ #define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */ #define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */ diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 800a4f2e917e..3df82f3fe547 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1447,11 +1447,11 @@ int kvm_arch_set_memory_region(struct kvm *kvm, if (!kvm_is_mmio_pfn(pfn)) { kvm_set_pmt_entry(kvm, base_gfn + i, pfn << PAGE_SHIFT, - _PAGE_MA_WB); + _PAGE_AR_RWX | _PAGE_MA_WB); memslot->rmap[i] = (unsigned long)pfn_to_page(pfn); } else { kvm_set_pmt_entry(kvm, base_gfn + i, - GPFN_LOW_MMIO | (pfn << PAGE_SHIFT), + GPFN_PHYS_MMIO | (pfn << PAGE_SHIFT), _PAGE_MA_UC); memslot->rmap[i] = 0; } diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h index b0fcfb62c49e..341e3fee280c 100644 --- a/arch/ia64/kvm/vcpu.h +++ b/arch/ia64/kvm/vcpu.h @@ -313,21 +313,21 @@ static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir, trp->rid = rid; } -extern u64 kvm_lookup_mpa(u64 gpfn); -extern u64 kvm_gpa_to_mpa(u64 gpa); - -/* Return I/O type if trye */ -#define __gpfn_is_io(gpfn) \ - ({ \ - u64 pte, ret = 0; \ - pte = kvm_lookup_mpa(gpfn); \ - if (!(pte & GPFN_INV_MASK)) \ - ret = pte & GPFN_IO_MASK; \ - ret; \ - }) +extern u64 kvm_get_mpt_entry(u64 gpfn); +/* Return I/ */ +static inline u64 __gpfn_is_io(u64 gpfn) +{ + u64 pte; + pte = kvm_get_mpt_entry(gpfn); + if (!(pte & GPFN_INV_MASK)) { + pte = pte & GPFN_IO_MASK; + if (pte != GPFN_PHYS_MMIO) + return pte; + } + return 0; +} #endif - #define IA64_NO_FAULT 0 #define IA64_FAULT 1 diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c index def4576d22b1..e22b93361e08 100644 --- a/arch/ia64/kvm/vtlb.c +++ b/arch/ia64/kvm/vtlb.c @@ -390,7 +390,7 @@ void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps) u64 translate_phy_pte(u64 *pte, u64 itir, u64 va) { - u64 ps, ps_mask, paddr, maddr; + u64 ps, ps_mask, paddr, maddr, io_mask; union pte_flags phy_pte; ps = itir_ps(itir); @@ -398,8 +398,9 @@ u64 translate_phy_pte(u64 *pte, u64 itir, u64 va) phy_pte.val = *pte; paddr = *pte; paddr = ((paddr & _PAGE_PPN_MASK) & ps_mask) | (va & ~ps_mask); - maddr = kvm_lookup_mpa(paddr >> PAGE_SHIFT); - if (maddr & GPFN_IO_MASK) { + maddr = kvm_get_mpt_entry(paddr >> PAGE_SHIFT); + io_mask = maddr & GPFN_IO_MASK; + if (io_mask && (io_mask != GPFN_PHYS_MMIO)) { *pte |= VTLB_PTE_IO; return -1; } @@ -418,7 +419,7 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 ifa, int type) { u64 ps; - u64 phy_pte; + u64 phy_pte, io_mask, index; union ia64_rr vrr, mrr; int ret = 0; @@ -426,13 +427,16 @@ int thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir, vrr.val = vcpu_get_rr(v, ifa); mrr.val = ia64_get_rr(ifa); + index = (pte & _PAGE_PPN_MASK) >> PAGE_SHIFT; + io_mask = kvm_get_mpt_entry(index) & GPFN_IO_MASK; phy_pte = translate_phy_pte(&pte, itir, ifa); /* Ensure WB attribute if pte is related to a normal mem page, * which is required by vga acceleration since qemu maps shared * vram buffer with WB. */ - if (!(pte & VTLB_PTE_IO) && ((pte & _PAGE_MA_MASK) != _PAGE_MA_NAT)) { + if (!(pte & VTLB_PTE_IO) && ((pte & _PAGE_MA_MASK) != _PAGE_MA_NAT) && + io_mask != GPFN_PHYS_MMIO) { pte &= ~_PAGE_MA_MASK; phy_pte &= ~_PAGE_MA_MASK; } @@ -566,12 +570,19 @@ void thash_init(struct thash_cb *hcb, u64 sz) } } -u64 kvm_lookup_mpa(u64 gpfn) +u64 kvm_get_mpt_entry(u64 gpfn) { u64 *base = (u64 *) KVM_P2M_BASE; return *(base + gpfn); } +u64 kvm_lookup_mpa(u64 gpfn) +{ + u64 maddr; + maddr = kvm_get_mpt_entry(gpfn); + return maddr&_PAGE_PPN_MASK; +} + u64 kvm_gpa_to_mpa(u64 gpa) { u64 pte = kvm_lookup_mpa(gpa >> PAGE_SHIFT); -- GitLab From 2381ad241d0bea1253a37f314b270848067640bb Mon Sep 17 00:00:00 2001 From: Xiantao Zhang Date: Wed, 8 Oct 2008 08:29:33 +0800 Subject: [PATCH 5007/6244] KVM: ia64: Add intel iommu support for guests. With intel iommu hardware, we can assign devices to kvm/ia64 guests. Signed-off-by: Xiantao Zhang Signed-off-by: Avi Kivity --- arch/ia64/kvm/Makefile | 4 ++++ arch/ia64/kvm/kvm-ia64.c | 9 +++++++++ include/linux/kvm.h | 2 +- 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile index 3b1a1c156ef9..cf37f8f490c0 100644 --- a/arch/ia64/kvm/Makefile +++ b/arch/ia64/kvm/Makefile @@ -46,6 +46,10 @@ EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/ common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \ coalesced_mmio.o irq_comm.o) +ifeq ($(CONFIG_DMAR),y) +common-objs += $(addprefix ../../../virt/kvm/, vtd.o) +endif + kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o obj-$(CONFIG_KVM) += kvm.o diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 3df82f3fe547..c0699f0e35a9 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include @@ -187,6 +188,9 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_COALESCED_MMIO: r = KVM_COALESCED_MMIO_PAGE_OFFSET; break; + case KVM_CAP_IOMMU: + r = intel_iommu_found(); + break; default: r = 0; } @@ -773,6 +777,7 @@ static void kvm_init_vm(struct kvm *kvm) */ kvm_build_io_pmt(kvm); + INIT_LIST_HEAD(&kvm->arch.assigned_dev_head); } struct kvm *kvm_arch_create_vm(void) @@ -1336,6 +1341,10 @@ static void kvm_release_vm_pages(struct kvm *kvm) void kvm_arch_destroy_vm(struct kvm *kvm) { + kvm_iommu_unmap_guest(kvm); +#ifdef KVM_CAP_DEVICE_ASSIGNMENT + kvm_free_all_assigned_devices(kvm); +#endif kfree(kvm->arch.vioapic); kvm_release_vm_pages(kvm); kvm_free_physmem(kvm); diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 9acf34a6dfbb..797fcd781242 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -383,7 +383,7 @@ struct kvm_trace_rec { #define KVM_CAP_MP_STATE 14 #define KVM_CAP_COALESCED_MMIO 15 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */ -#ifdef CONFIG_X86 +#if defined(CONFIG_X86)||defined(CONFIG_IA64) #define KVM_CAP_DEVICE_ASSIGNMENT 17 #endif #define KVM_CAP_IOMMU 18 -- GitLab From 4c393e6e457fb41169dd110c1b96a138394c2d7b Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Mon, 13 Oct 2008 15:20:06 -0400 Subject: [PATCH 5008/6244] [SCSI] sd: fix compile failure with CONFIG_BLK_DEV_INTEGRITY=n Signed-off-by: James Bottomley --- drivers/scsi/sd.h | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index a92b991d98ab..75638e7d3f66 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -97,7 +97,7 @@ struct sd_dif_tuple { __be32 ref_tag; /* Target LBA or indirect LBA */ }; -#if defined(CONFIG_BLK_DEV_INTEGRITY) +#ifdef CONFIG_BLK_DEV_INTEGRITY extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int, unsigned int); extern void sd_dif_config_host(struct scsi_disk *); @@ -106,10 +106,19 @@ extern void sd_dif_complete(struct scsi_cmnd *, unsigned int); #else /* CONFIG_BLK_DEV_INTEGRITY */ -#define sd_dif_op(a, b, c) do { } while (0) -#define sd_dif_config_host(a) do { } while (0) -#define sd_dif_prepare(a, b, c) (0) -#define sd_dif_complete(a, b) (0) +static inline void sd_dif_op(struct scsi_cmnd *cmd, unsigned int a, unsigned int b, unsigned int c) +{ +} +static inline void sd_dif_config_host(struct scsi_disk *disk) +{ +} +static inline int sd_dif_prepare(struct request *rq, sector_t s, unsigned int a) +{ + return 0; +} +static inline void sd_dif_complete(struct scsi_cmnd *cmd, unsigned int a) +{ +} #endif /* CONFIG_BLK_DEV_INTEGRITY */ -- GitLab From 9c2e7e40bf85684eebc019e915c39c4c07c734fa Mon Sep 17 00:00:00 2001 From: "ben@fluff.org.uk" Date: Wed, 15 Oct 2008 00:17:15 +0100 Subject: [PATCH 5009/6244] s3cmci: Make general protocol errors less noisy General errors, such as timeouts during probe do not need to be sent to the console, so move them down to be included if the debug is enabled. Such errors include: s3c2440-sdi s3c2440-sdi: s3cmci_request: no medium present Signed-off-by: Ben Dooks Signed-off-by: Pierre Ossman --- drivers/mmc/host/s3cmci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index ae16d845d746..2af630639910 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -39,9 +39,9 @@ enum dbg_channels { dbg_conf = (1 << 8), }; -static const int dbgmap_err = dbg_err | dbg_fail; +static const int dbgmap_err = dbg_fail; static const int dbgmap_info = dbg_info | dbg_conf; -static const int dbgmap_debug = dbg_debug; +static const int dbgmap_debug = dbg_err | dbg_debug; #define dbg(host, channels, args...) \ do { \ -- GitLab From f87e6d00fbd367f2d61fd600b5f8bd6e39d63f3f Mon Sep 17 00:00:00 2001 From: "ben@fluff.org.uk" Date: Wed, 15 Oct 2008 00:17:16 +0100 Subject: [PATCH 5010/6244] s3cmci: cpufreq support Support for cpu frequency changing. Signed-off-by: Ben Dooks Signed-off-by: Pierre Ossman --- drivers/mmc/host/s3cmci.c | 111 +++++++++++++++++++++++++++++++------- drivers/mmc/host/s3cmci.h | 4 ++ 2 files changed, 96 insertions(+), 19 deletions(-) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 2af630639910..a73ffb9d7b21 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -1033,10 +1034,33 @@ static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq) s3cmci_send_request(mmc); } +static void s3cmci_set_clk(struct s3cmci_host *host, struct mmc_ios *ios) +{ + u32 mci_psc; + + /* Set clock */ + for (mci_psc = 0; mci_psc < 255; mci_psc++) { + host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1)); + + if (host->real_rate <= ios->clock) + break; + } + + if (mci_psc > 255) + mci_psc = 255; + + host->prescaler = mci_psc; + writel(host->prescaler, host->base + S3C2410_SDIPRE); + + /* If requested clock is 0, real_rate will be 0, too */ + if (ios->clock == 0) + host->real_rate = 0; +} + static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct s3cmci_host *host = mmc_priv(mmc); - u32 mci_psc, mci_con; + u32 mci_con; /* Set the power state */ @@ -1074,23 +1098,7 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) break; } - /* Set clock */ - for (mci_psc = 0; mci_psc < 255; mci_psc++) { - host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1)); - - if (host->real_rate <= ios->clock) - break; - } - - if (mci_psc > 255) - mci_psc = 255; - - host->prescaler = mci_psc; - writel(host->prescaler, host->base + S3C2410_SDIPRE); - - /* If requested clock is 0, real_rate will be 0, too */ - if (ios->clock == 0) - host->real_rate = 0; + s3cmci_set_clk(host, ios); /* Set CLOCK_ENABLE */ if (ios->clock) @@ -1148,6 +1156,61 @@ static struct s3c24xx_mci_pdata s3cmci_def_pdata = { * checks. Any zero fields to ensure reaonable defaults are picked. */ }; +#ifdef CONFIG_CPU_FREQ + +static int s3cmci_cpufreq_transition(struct notifier_block *nb, + unsigned long val, void *data) +{ + struct s3cmci_host *host; + struct mmc_host *mmc; + unsigned long newclk; + unsigned long flags; + + host = container_of(nb, struct s3cmci_host, freq_transition); + newclk = clk_get_rate(host->clk); + mmc = host->mmc; + + if ((val == CPUFREQ_PRECHANGE && newclk > host->clk_rate) || + (val == CPUFREQ_POSTCHANGE && newclk < host->clk_rate)) { + spin_lock_irqsave(&mmc->lock, flags); + + host->clk_rate = newclk; + + if (mmc->ios.power_mode != MMC_POWER_OFF && + mmc->ios.clock != 0) + s3cmci_set_clk(host, &mmc->ios); + + spin_unlock_irqrestore(&mmc->lock, flags); + } + + return 0; +} + +static inline int s3cmci_cpufreq_register(struct s3cmci_host *host) +{ + host->freq_transition.notifier_call = s3cmci_cpufreq_transition; + + return cpufreq_register_notifier(&host->freq_transition, + CPUFREQ_TRANSITION_NOTIFIER); +} + +static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host) +{ + cpufreq_unregister_notifier(&host->freq_transition, + CPUFREQ_TRANSITION_NOTIFIER); +} + +#else +static inline int s3cmci_cpufreq_register(struct s3cmci_host *host) +{ + return 0; +} + +static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host) +{ +} +#endif + static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440) { struct s3cmci_host *host; @@ -1298,10 +1361,16 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440) (host->is2440?"2440":""), host->base, host->irq, host->irq_cd, host->dma); + ret = s3cmci_cpufreq_register(host); + if (ret) { + dev_err(&pdev->dev, "failed to register cpufreq\n"); + goto free_dmabuf; + } + ret = mmc_add_host(mmc); if (ret) { dev_err(&pdev->dev, "failed to add mmc host.\n"); - goto free_dmabuf; + goto free_cpufreq; } platform_set_drvdata(pdev, mmc); @@ -1309,6 +1378,9 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440) return 0; + free_cpufreq: + s3cmci_cpufreq_deregister(host); + free_dmabuf: clk_disable(host->clk); @@ -1342,6 +1414,7 @@ static void s3cmci_shutdown(struct platform_device *pdev) if (host->irq_cd >= 0) free_irq(host->irq_cd, host); + s3cmci_cpufreq_deregister(host); mmc_remove_host(mmc); clk_disable(host->clk); } diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h index 37d9c60010c9..7e39109587f9 100644 --- a/drivers/mmc/host/s3cmci.h +++ b/drivers/mmc/host/s3cmci.h @@ -67,4 +67,8 @@ struct s3cmci_host { unsigned int ccnt, dcnt; struct tasklet_struct pio_tasklet; + +#ifdef CONFIG_CPU_FREQ + struct notifier_block freq_transition; +#endif }; -- GitLab From 088a78af978d0c8e339071a9b2bca1f4cb368f30 Mon Sep 17 00:00:00 2001 From: Christer Weinigel Date: Wed, 15 Oct 2008 00:17:17 +0100 Subject: [PATCH 5011/6244] s3cmci: Support transfers which are not multiple of 32 bits. To be able to do SDIO the s3cmci driver has to support non-word-sized transfers. Change pio_words into pio_bytes and fix up all the places where it is used. This variant of the patch will not overrun the buffer when reading an odd number of bytes. When writing, this variant will still read past the end of the buffer, but since the driver can't support non-word- aligned transfers anyway, this should not be a problem, since a word-aligned transfer will never cross a page boundary. This has been tested with a CSR SDIO Bluetooth Type A device on a Samsung S3C24A0 processor. Signed-off-by: Christer Weinigel Signed-off-by: Ben Dooks Signed-off-by: Pierre Ossman --- drivers/mmc/host/s3cmci.c | 80 ++++++++++++++++++++++++++------------- drivers/mmc/host/s3cmci.h | 2 +- 2 files changed, 54 insertions(+), 28 deletions(-) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index a73ffb9d7b21..bb412331e3d7 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -190,7 +190,7 @@ static inline void clear_imask(struct s3cmci_host *host) } static inline int get_data_buffer(struct s3cmci_host *host, - u32 *words, u32 **pointer) + u32 *bytes, u32 **pointer) { struct scatterlist *sg; @@ -207,7 +207,7 @@ static inline int get_data_buffer(struct s3cmci_host *host, } sg = &host->mrq->data->sg[host->pio_sgptr]; - *words = sg->length >> 2; + *bytes = sg->length; *pointer = sg_virt(sg); host->pio_sgptr++; @@ -223,7 +223,7 @@ static inline u32 fifo_count(struct s3cmci_host *host) u32 fifostat = readl(host->base + S3C2410_SDIFSTA); fifostat &= S3C2410_SDIFSTA_COUNTMASK; - return fifostat >> 2; + return fifostat; } static inline u32 fifo_free(struct s3cmci_host *host) @@ -231,13 +231,14 @@ static inline u32 fifo_free(struct s3cmci_host *host) u32 fifostat = readl(host->base + S3C2410_SDIFSTA); fifostat &= S3C2410_SDIFSTA_COUNTMASK; - return (63 - fifostat) >> 2; + return 63 - fifostat; } static void do_pio_read(struct s3cmci_host *host) { int res; u32 fifo; + u32 fifo_words; void __iomem *from_ptr; /* write real prescaler to host, it might be set slow to fix */ @@ -246,8 +247,8 @@ static void do_pio_read(struct s3cmci_host *host) from_ptr = host->base + host->sdidata; while ((fifo = fifo_count(host))) { - if (!host->pio_words) { - res = get_data_buffer(host, &host->pio_words, + if (!host->pio_bytes) { + res = get_data_buffer(host, &host->pio_bytes, &host->pio_ptr); if (res) { host->pio_active = XFER_NONE; @@ -260,26 +261,45 @@ static void do_pio_read(struct s3cmci_host *host) dbg(host, dbg_pio, "pio_read(): new target: [%i]@[%p]\n", - host->pio_words, host->pio_ptr); + host->pio_bytes, host->pio_ptr); } dbg(host, dbg_pio, "pio_read(): fifo:[%02i] buffer:[%03i] dcnt:[%08X]\n", - fifo, host->pio_words, + fifo, host->pio_bytes, readl(host->base + S3C2410_SDIDCNT)); - if (fifo > host->pio_words) - fifo = host->pio_words; + /* If we have reached the end of the block, we can + * read a word and get 1 to 3 bytes. If we in the + * middle of the block, we have to read full words, + * otherwise we will write garbage, so round down to + * an even multiple of 4. */ + if (fifo >= host->pio_bytes) + fifo = host->pio_bytes; + else + fifo -= fifo & 3; - host->pio_words -= fifo; + host->pio_bytes -= fifo; host->pio_count += fifo; - while (fifo--) + fifo_words = fifo >> 2; + while (fifo_words--) *(host->pio_ptr++) = readl(from_ptr); + + if (fifo & 3) { + u32 n = fifo & 3; + u32 data = readl(from_ptr); + u8 *p = (u8 *)host->pio_ptr; + + while (n--) { + *p++ = data; + data >>= 8; + } + } } - if (!host->pio_words) { - res = get_data_buffer(host, &host->pio_words, &host->pio_ptr); + if (!host->pio_bytes) { + res = get_data_buffer(host, &host->pio_bytes, &host->pio_ptr); if (res) { dbg(host, dbg_pio, "pio_read(): complete (no more buffers).\n"); @@ -303,8 +323,8 @@ static void do_pio_write(struct s3cmci_host *host) to_ptr = host->base + host->sdidata; while ((fifo = fifo_free(host))) { - if (!host->pio_words) { - res = get_data_buffer(host, &host->pio_words, + if (!host->pio_bytes) { + res = get_data_buffer(host, &host->pio_bytes, &host->pio_ptr); if (res) { dbg(host, dbg_pio, @@ -316,16 +336,23 @@ static void do_pio_write(struct s3cmci_host *host) dbg(host, dbg_pio, "pio_write(): new source: [%i]@[%p]\n", - host->pio_words, host->pio_ptr); + host->pio_bytes, host->pio_ptr); } - if (fifo > host->pio_words) - fifo = host->pio_words; + /* If we have reached the end of the block, we have to + * write exactly the remaining number of bytes. If we + * in the middle of the block, we have to write full + * words, so round down to an even multiple of 4. */ + if (fifo >= host->pio_bytes) + fifo = host->pio_bytes; + else + fifo -= fifo & 3; - host->pio_words -= fifo; + host->pio_bytes -= fifo; host->pio_count += fifo; + fifo = (fifo + 3) >> 2; while (fifo--) writel(*(host->pio_ptr++), to_ptr); } @@ -350,9 +377,9 @@ static void pio_tasklet(unsigned long data) clear_imask(host); if (host->pio_active != XFER_NONE) { dbg(host, dbg_err, "unfinished %s " - "- pio_count:[%u] pio_words:[%u]\n", + "- pio_count:[%u] pio_bytes:[%u]\n", (host->pio_active == XFER_READ) ? "read" : "write", - host->pio_count, host->pio_words); + host->pio_count, host->pio_bytes); if (host->mrq->data) host->mrq->data->error = -EINVAL; @@ -813,11 +840,10 @@ static int s3cmci_setup_data(struct s3cmci_host *host, struct mmc_data *data) /* We cannot deal with unaligned blocks with more than * one block being transfered. */ - if (data->blocks > 1) + if (data->blocks > 1) { + pr_warning("%s: can't do non-word sized block transfers (blksz %d)\n", __func__, data->blksz); return -EINVAL; - - /* No support yet for non-word block transfers. */ - return -EINVAL; + } } while (readl(host->base + S3C2410_SDIDSTA) & @@ -897,7 +923,7 @@ static int s3cmci_prepare_pio(struct s3cmci_host *host, struct mmc_data *data) BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR); host->pio_sgptr = 0; - host->pio_words = 0; + host->pio_bytes = 0; host->pio_count = 0; host->pio_active = rw ? XFER_WRITE : XFER_READ; diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h index 7e39109587f9..ca1ba3d58cfd 100644 --- a/drivers/mmc/host/s3cmci.h +++ b/drivers/mmc/host/s3cmci.h @@ -51,7 +51,7 @@ struct s3cmci_host { int dma_complete; u32 pio_sgptr; - u32 pio_words; + u32 pio_bytes; u32 pio_count; u32 *pio_ptr; #define XFER_NONE 0 -- GitLab From 18280fff663b8ba57e349a81b999604bc1106926 Mon Sep 17 00:00:00 2001 From: "ben@fluff.org.uk" Date: Wed, 15 Oct 2008 00:17:18 +0100 Subject: [PATCH 5012/6244] s3cmci: fix continual accesses to host->pio_ptr The s3cmci driver uses the host->pio_ptr field to point to the current position into the buffer for data transfer. During the transfers it does the following: while (fifo_words--) *(host->pio_ptr++) = readl(from_ptr); This is inefficent, as host->pio_ptr is not used in any other part of the transfer but the compiler emits code which does the following: while (fifo_words--) { u32 *ptr = host->pio_ptr; *ptr = readl(from_ptr); ptr++; host->pio_ptr = ptr; } This is obviously a waste of a load and store each time around the loop, which could be up to 16 times depending on how much needs to be transfered. Move the ptr accesses to outside the while loop so that we do not end up reloading/re-writing the pointer. Note, this seems to make the code 16 bytes larger. Signed-off-by: Ben Dooks Signed-off-by: Pierre Ossman --- drivers/mmc/host/s3cmci.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index bb412331e3d7..5211d90d34ef 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -238,6 +238,7 @@ static void do_pio_read(struct s3cmci_host *host) { int res; u32 fifo; + u32 *ptr; u32 fifo_words; void __iomem *from_ptr; @@ -283,8 +284,10 @@ static void do_pio_read(struct s3cmci_host *host) host->pio_count += fifo; fifo_words = fifo >> 2; + ptr = host->pio_ptr; while (fifo_words--) - *(host->pio_ptr++) = readl(from_ptr); + *ptr++ = readl(from_ptr); + host->pio_ptr = ptr; if (fifo & 3) { u32 n = fifo & 3; @@ -319,6 +322,7 @@ static void do_pio_write(struct s3cmci_host *host) void __iomem *to_ptr; int res; u32 fifo; + u32 *ptr; to_ptr = host->base + host->sdidata; @@ -353,8 +357,10 @@ static void do_pio_write(struct s3cmci_host *host) host->pio_count += fifo; fifo = (fifo + 3) >> 2; + ptr = host->pio_ptr; while (fifo--) - writel(*(host->pio_ptr++), to_ptr); + writel(*ptr++, to_ptr); + host->pio_ptr = ptr; } enable_imask(host, S3C2410_SDIIMSK_TXFIFOHALF); -- GitLab From 08c55e22df26ef1ae8cbe53fbca42476f18a8fdb Mon Sep 17 00:00:00 2001 From: "ben@fluff.org.uk" Date: Wed, 15 Oct 2008 00:17:19 +0100 Subject: [PATCH 5013/6244] s3cmci: Add Ben Dooks/Simtec Electronics to header & copyright Since the original authour (Thomas Kleffel) has been too busy to merge the s3cmci driver and keep it up to date, I (mostly as part of my role with Simtec Electronics) got the driver to a mergable state and have been maintaining it since I think that I should be added to the header. Also add a copyright statement for the new work. Signed-off-by: Ben Dooks Signed-off-by: Pierre Ossman --- drivers/mmc/host/s3cmci.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index 5211d90d34ef..3b2085b57769 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -3,6 +3,9 @@ * * Copyright (C) 2004-2006 maintech GmbH, Thomas Kleffel * + * Current driver maintained by Ben Dooks and Simtec Electronics + * Copyright (C) 2008 Simtec Electronics + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. @@ -1560,7 +1563,7 @@ module_exit(s3cmci_exit); MODULE_DESCRIPTION("Samsung S3C MMC/SD Card Interface driver"); MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Thomas Kleffel "); +MODULE_AUTHOR("Thomas Kleffel , Ben Dooks "); MODULE_ALIAS("platform:s3c2410-sdi"); MODULE_ALIAS("platform:s3c2412-sdi"); MODULE_ALIAS("platform:s3c2440-sdi"); -- GitLab From f61f1b5717dec9968efd6c8d61bd73b7a61b72a0 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 15 Oct 2008 07:46:27 -0700 Subject: [PATCH 5014/6244] x86: fix compat-vdso Jeff Chua reported that this patch: > -#define PTE_IDENT_ATTR 0x007 /* PRESENT+RW+USER */ > -#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ > +#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ > +#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ broke kernels with CONFIG_COMPAT_VDSO set with this init segfault: init[1]: segfault at ffffe01c up b7f0dc28 sp bfc26628 error 5 in ld-2.7.90.so[b7f0b000+1c000] Include USER bit in the PDE_IDENT_ATTR only, as the protection bits are combined from the PDE and PTE entries. This will allow the high mapped VDSO page in the case of CONFIG_COMPAT_VDSO to be user readable. Reported-by: Jeff Chua Signed-off-by: Suresh Siddha Tested-by: Jeff Chua Signed-off-by: Ingo Molnar --- include/asm-x86/pgtable.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h index ed932453ef26..e9f10af50f49 100644 --- a/include/asm-x86/pgtable.h +++ b/include/asm-x86/pgtable.h @@ -138,8 +138,13 @@ #ifdef CONFIG_X86_64 #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC #else +/* + * For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection + * bits are combined, this will alow user to access the high address mapped + * VDSO in the presence of CONFIG_COMPAT_VDSO + */ #define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ +#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ #endif -- GitLab From 6c5e51dae2c37127e00be392f40842e08077e96a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 12 Oct 2008 14:30:44 +0200 Subject: [PATCH 5015/6244] xfs: fix remount rw with unrecognized options When we skip unrecognized options in xfs_fs_remount we should just break out of the switch and not return because otherwise we may skip clearing the xfs-internal read-only flag. This will only show up on some operations like touch because most read-only checks are done by the VFS which thinks this filesystem is r/w. Eventually we should replace the XFS read-only flag with a helper that always checks the VFS flag to make sure they can never get out of sync. Bug reported and fix verified by Marcel Beister on #xfs. Bug fix verified by updated xfstests/189. Signed-off-by: Christoph Hellwig Acked-by: Eric Sandeen Signed-off-by: Timothy Shimmin Signed-off-by: Linus Torvalds --- fs/xfs/linux-2.6/xfs_super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 7227b2efef22..e39013619b26 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1323,7 +1323,7 @@ xfs_fs_remount( "XFS: mount option \"%s\" not supported for remount\n", p); return -EINVAL; #else - return 0; + break; #endif } } -- GitLab From 6d54aaf389bb47f30fd6567b88665689967be642 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 15 Oct 2008 10:50:32 +0100 Subject: [PATCH 5016/6244] metronomefb: Fix warning when building 64bit The metronome driver produces warnings when built on x86-64 as it assumes that size_t is an int. Use %Zd instead. Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/video/metronomefb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c index afeed0611e3e..df1f757a6161 100644 --- a/drivers/video/metronomefb.c +++ b/drivers/video/metronomefb.c @@ -188,7 +188,7 @@ static int __devinit load_waveform(u8 *mem, size_t size, int m, int t, epd_frame_table[par->dt].wfm_size = user_wfm_size; if (size != epd_frame_table[par->dt].wfm_size) { - dev_err(dev, "Error: unexpected size %d != %d\n", size, + dev_err(dev, "Error: unexpected size %Zd != %d\n", size, epd_frame_table[par->dt].wfm_size); return -EINVAL; } -- GitLab From 7c3b1dcf13d5660152e02c6dea47b0bd9fd5d871 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Wed, 15 Oct 2008 10:52:34 +0100 Subject: [PATCH 5017/6244] tty: make sure that proc_clear_tty stores the cpu flags proc_clear_tty() gets called with interrupts off (while holding the task list lock) from sys_setid. This means that it needs the _irqsave version of the locking primitives. Reported-by: Marcin Slusarz Tested-by: Marcin Slusarz Signed-off-by: Arjan van de Ven Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds --- drivers/char/tty_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 7053d6333692..3f48d88cffc0 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3032,11 +3032,12 @@ EXPORT_SYMBOL(tty_devnum); void proc_clear_tty(struct task_struct *p) { + unsigned long flags; struct tty_struct *tty; - spin_lock_irq(&p->sighand->siglock); + spin_lock_irqsave(&p->sighand->siglock, flags); tty = p->signal->tty; p->signal->tty = NULL; - spin_unlock_irq(&p->sighand->siglock); + spin_unlock_irqrestore(&p->sighand->siglock, flags); tty_kref_put(tty); } -- GitLab From 68e2aa793ed55b0c1461b4ab92554bb5ad152724 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 2 Aug 2008 17:13:09 +0200 Subject: [PATCH 5018/6244] ieee1394: Use DIV_ROUND_UP Signed-off-by: Julia Lawall Signed-off-by: Stefan Richter --- drivers/ieee1394/csr1212.c | 2 +- drivers/ieee1394/eth1394.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ieee1394/csr1212.c b/drivers/ieee1394/csr1212.c index 9f95337139e3..5e38a68b8af2 100644 --- a/drivers/ieee1394/csr1212.c +++ b/drivers/ieee1394/csr1212.c @@ -84,7 +84,7 @@ static const u8 csr1212_key_id_type_map[0x30] = { #define quads_to_bytes(_q) ((_q) * sizeof(u32)) -#define bytes_to_quads(_b) (((_b) + sizeof(u32) - 1) / sizeof(u32)) +#define bytes_to_quads(_b) DIV_ROUND_UP(_b, sizeof(u32)) static void free_keyval(struct csr1212_keyval *kv) { diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index b166b3575fa6..20128692b339 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -1361,7 +1361,7 @@ static unsigned int ether1394_encapsulate_prep(unsigned int max_payload, hdr->ff.dgl = dgl; adj_max_payload = max_payload - hdr_type_len[ETH1394_HDR_LF_FF]; } - return (dg_size + adj_max_payload - 1) / adj_max_payload; + return DIV_ROUND_UP(dg_size, adj_max_payload); } static unsigned int ether1394_encapsulate(struct sk_buff *skb, -- GitLab From 0a77b17c855c4ec1c87ed80e0f280095a4ee1f4f Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 9 Aug 2008 20:13:00 +0200 Subject: [PATCH 5019/6244] ieee1394: sbp2: stricter dma_sync Two dma_sync_single_for_cpu() were called in the wrong place. Luckily they were merely for DMA_TO_DEVICE, hence nobody noticed. Also reorder the matching dma_sync_single_for_device() a little bit so that they reside in the same functions as their counterparts. This also avoids syncing the s/g table for requests which don't use it. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 50 +++++++++++++---------------------------- 1 file changed, 16 insertions(+), 34 deletions(-) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 1d6ad3435537..7a8119e0c910 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -1533,6 +1533,10 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); orb->data_descriptor_lo = cmd->sge_dma; + dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_TO_DEVICE); + /* loop through and fill out our SBP-2 page tables * (and split up anything too large) */ for (i = 0, sg_count = 0; i < count; i++, sg = sg_next(sg)) { @@ -1559,6 +1563,11 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, sbp2util_cpu_to_be32_buffer(sg_element, (sizeof(struct sbp2_unrestricted_page_table)) * sg_count); + + dma_sync_single_for_device(hi->host->device.parent, + cmd->sge_dma, + sizeof(cmd->scatter_gather_element), + DMA_TO_DEVICE); } } @@ -1566,12 +1575,14 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, struct sbp2_command_info *cmd, struct scsi_cmnd *SCpnt) { - struct sbp2_fwhost_info *hi = lu->hi; + struct device *dmadev = lu->hi->host->device.parent; struct sbp2_command_orb *orb = &cmd->command_orb; u32 orb_direction; unsigned int scsi_request_bufflen = scsi_bufflen(SCpnt); enum dma_data_direction dma_dir = SCpnt->sc_data_direction; + dma_sync_single_for_cpu(dmadev, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); /* * Set-up our command ORB. * @@ -1603,7 +1614,7 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, orb->data_descriptor_lo = 0x0; orb->misc |= ORB_SET_DIRECTION(1); } else - sbp2_prep_command_orb_sg(orb, hi, cmd, scsi_sg_count(SCpnt), + sbp2_prep_command_orb_sg(orb, lu->hi, cmd, scsi_sg_count(SCpnt), scsi_sglist(SCpnt), orb_direction, dma_dir); @@ -1611,6 +1622,9 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, memset(orb->cdb, 0, sizeof(orb->cdb)); memcpy(orb->cdb, SCpnt->cmnd, SCpnt->cmd_len); + + dma_sync_single_for_device(dmadev, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); } static void sbp2_link_orb_command(struct sbp2_lu *lu, @@ -1624,14 +1638,6 @@ static void sbp2_link_orb_command(struct sbp2_lu *lu, size_t length; unsigned long flags; - dma_sync_single_for_device(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_device(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); - /* check to see if there are any previous orbs to use */ spin_lock_irqsave(&lu->cmd_orb_lock, flags); last_orb = lu->last_orb; @@ -1789,13 +1795,6 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, else cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo); if (cmd) { - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); /* Grab SCSI command pointers and check status. */ /* * FIXME: If the src field in the status is 1, the ORB DMA must @@ -1912,7 +1911,6 @@ done: static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) { - struct sbp2_fwhost_info *hi = lu->hi; struct list_head *lh; struct sbp2_command_info *cmd; unsigned long flags; @@ -1921,13 +1919,6 @@ static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) while (!list_empty(&lu->cmd_orb_inuse)) { lh = lu->cmd_orb_inuse.next; cmd = list_entry(lh, struct sbp2_command_info, list); - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = status << 16; @@ -2049,7 +2040,6 @@ static void sbp2scsi_slave_destroy(struct scsi_device *sdev) static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) { struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; - struct sbp2_fwhost_info *hi = lu->hi; struct sbp2_command_info *cmd; unsigned long flags; @@ -2063,14 +2053,6 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) spin_lock_irqsave(&lu->cmd_orb_lock, flags); cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt); if (cmd) { - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->command_orb_dma, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - dma_sync_single_for_cpu(hi->host->device.parent, - cmd->sge_dma, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); sbp2util_mark_command_completed(lu, cmd); if (cmd->Current_SCpnt) { cmd->Current_SCpnt->result = DID_ABORT << 16; -- GitLab From cd8c79f17a878b01f3e83a8efd89da18ccdc7ef3 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 9 Aug 2008 20:16:24 +0200 Subject: [PATCH 5020/6244] ieee1394: sbp2: check for DMA mapping failures Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 94 ++++++++++++++++++++++++++--------------- 1 file changed, 59 insertions(+), 35 deletions(-) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 7a8119e0c910..0037305f599e 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -526,26 +526,41 @@ static void sbp2util_write_doorbell(struct work_struct *work) static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) { - struct sbp2_fwhost_info *hi = lu->hi; struct sbp2_command_info *cmd; + struct device *dmadev = lu->hi->host->device.parent; int i, orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS; for (i = 0; i < orbs; i++) { cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) - return -ENOMEM; - cmd->command_orb_dma = dma_map_single(hi->host->device.parent, - &cmd->command_orb, - sizeof(struct sbp2_command_orb), - DMA_TO_DEVICE); - cmd->sge_dma = dma_map_single(hi->host->device.parent, - &cmd->scatter_gather_element, - sizeof(cmd->scatter_gather_element), - DMA_TO_DEVICE); + goto failed_alloc; + + cmd->command_orb_dma = + dma_map_single(dmadev, &cmd->command_orb, + sizeof(struct sbp2_command_orb), + DMA_TO_DEVICE); + if (dma_mapping_error(dmadev, cmd->command_orb_dma)) + goto failed_orb; + + cmd->sge_dma = + dma_map_single(dmadev, &cmd->scatter_gather_element, + sizeof(cmd->scatter_gather_element), + DMA_TO_DEVICE); + if (dma_mapping_error(dmadev, cmd->sge_dma)) + goto failed_sge; + INIT_LIST_HEAD(&cmd->list); list_add_tail(&cmd->list, &lu->cmd_orb_completed); } return 0; + +failed_sge: + dma_unmap_single(dmadev, cmd->command_orb_dma, + sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); +failed_orb: + kfree(cmd); +failed_alloc: + return -ENOMEM; } static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu, @@ -1494,14 +1509,16 @@ static int sbp2_agent_reset(struct sbp2_lu *lu, int wait) return 0; } -static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, - struct sbp2_fwhost_info *hi, - struct sbp2_command_info *cmd, - unsigned int scsi_use_sg, - struct scatterlist *sg, - u32 orb_direction, - enum dma_data_direction dma_dir) +static int sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, + struct sbp2_fwhost_info *hi, + struct sbp2_command_info *cmd, + unsigned int scsi_use_sg, + struct scatterlist *sg, + u32 orb_direction, + enum dma_data_direction dma_dir) { + struct device *dmadev = hi->host->device.parent; + cmd->dma_dir = dma_dir; orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); @@ -1511,9 +1528,12 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, cmd->dma_size = sg->length; cmd->dma_type = CMD_DMA_PAGE; - cmd->cmd_dma = dma_map_page(hi->host->device.parent, - sg_page(sg), sg->offset, + cmd->cmd_dma = dma_map_page(dmadev, sg_page(sg), sg->offset, cmd->dma_size, cmd->dma_dir); + if (dma_mapping_error(dmadev, cmd->cmd_dma)) { + cmd->cmd_dma = 0; + return -ENOMEM; + } orb->data_descriptor_lo = cmd->cmd_dma; orb->misc |= ORB_SET_DATA_SIZE(cmd->dma_size); @@ -1523,8 +1543,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, &cmd->scatter_gather_element[0]; u32 sg_count, sg_len; dma_addr_t sg_addr; - int i, count = dma_map_sg(hi->host->device.parent, sg, - scsi_use_sg, dma_dir); + int i, count = dma_map_sg(dmadev, sg, scsi_use_sg, dma_dir); cmd->dma_size = scsi_use_sg; cmd->sge_buffer = sg; @@ -1533,7 +1552,7 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); orb->data_descriptor_lo = cmd->sge_dma; - dma_sync_single_for_cpu(hi->host->device.parent, cmd->sge_dma, + dma_sync_single_for_cpu(dmadev, cmd->sge_dma, sizeof(cmd->scatter_gather_element), DMA_TO_DEVICE); @@ -1564,22 +1583,23 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, (sizeof(struct sbp2_unrestricted_page_table)) * sg_count); - dma_sync_single_for_device(hi->host->device.parent, - cmd->sge_dma, + dma_sync_single_for_device(dmadev, cmd->sge_dma, sizeof(cmd->scatter_gather_element), DMA_TO_DEVICE); } + return 0; } -static void sbp2_create_command_orb(struct sbp2_lu *lu, - struct sbp2_command_info *cmd, - struct scsi_cmnd *SCpnt) +static int sbp2_create_command_orb(struct sbp2_lu *lu, + struct sbp2_command_info *cmd, + struct scsi_cmnd *SCpnt) { struct device *dmadev = lu->hi->host->device.parent; struct sbp2_command_orb *orb = &cmd->command_orb; - u32 orb_direction; unsigned int scsi_request_bufflen = scsi_bufflen(SCpnt); enum dma_data_direction dma_dir = SCpnt->sc_data_direction; + u32 orb_direction; + int ret; dma_sync_single_for_cpu(dmadev, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); @@ -1613,11 +1633,13 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, orb->data_descriptor_hi = 0x0; orb->data_descriptor_lo = 0x0; orb->misc |= ORB_SET_DIRECTION(1); - } else - sbp2_prep_command_orb_sg(orb, lu->hi, cmd, scsi_sg_count(SCpnt), - scsi_sglist(SCpnt), - orb_direction, dma_dir); - + ret = 0; + } else { + ret = sbp2_prep_command_orb_sg(orb, lu->hi, cmd, + scsi_sg_count(SCpnt), + scsi_sglist(SCpnt), + orb_direction, dma_dir); + } sbp2util_cpu_to_be32_buffer(orb, sizeof(*orb)); memset(orb->cdb, 0, sizeof(orb->cdb)); @@ -1625,6 +1647,7 @@ static void sbp2_create_command_orb(struct sbp2_lu *lu, dma_sync_single_for_device(dmadev, cmd->command_orb_dma, sizeof(struct sbp2_command_orb), DMA_TO_DEVICE); + return ret; } static void sbp2_link_orb_command(struct sbp2_lu *lu, @@ -1705,9 +1728,10 @@ static int sbp2_send_command(struct sbp2_lu *lu, struct scsi_cmnd *SCpnt, if (!cmd) return -EIO; - sbp2_create_command_orb(lu, cmd, SCpnt); - sbp2_link_orb_command(lu, cmd); + if (sbp2_create_command_orb(lu, cmd, SCpnt)) + return -ENOMEM; + sbp2_link_orb_command(lu, cmd); return 0; } -- GitLab From ed6ffd08084c68e9c3911e27706dec9d4c9a4175 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 14 Aug 2008 09:28:14 +0200 Subject: [PATCH 5021/6244] ieee1394: sbp2: enforce s/g segment size limit 1. We don't need to round the SBP-2 segment size limit down to a multiple of 4 kB (0xffff -> 0xf000). It is only necessary to ensure quadlet alignment (0xffff -> 0xfffc). 2. Use dma_set_max_seg_size() to tell the DMA mapping infrastructure and the block IO layer about the restriction. This way we can remove the size checks and segment splitting in the queuecommand path. This assumes that no other code in the ieee1394 stack uses dma_map_sg() with conflicting requirements. It furthermore assumes that the controller device's platform actually allows us to set the segment size to our liking. Assert the latter with a BUG_ON(). 3. Also use blk_queue_max_segment_size() to tell the block IO layer about it. It cannot know it because our scsi_add_host() does not point to the FireWire controller's device. We can also uniformly use dma_map_sg() for the single segment case just like for the multi segment case, to further simplify the code. Also clean up how the page table is converted to big endian. Thanks to Grant Grundler and FUJITA Tomonori for advice. Signed-off-by: Stefan Richter --- drivers/ieee1394/sbp2.c | 98 ++++++++++++----------------------------- drivers/ieee1394/sbp2.h | 33 +++++--------- 2 files changed, 39 insertions(+), 92 deletions(-) diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 0037305f599e..c52f6e6e8af2 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -656,24 +656,11 @@ static struct sbp2_command_info *sbp2util_allocate_command_orb( static void sbp2util_mark_command_completed(struct sbp2_lu *lu, struct sbp2_command_info *cmd) { - struct hpsb_host *host = lu->ud->ne->host; - - if (cmd->cmd_dma) { - if (cmd->dma_type == CMD_DMA_SINGLE) - dma_unmap_single(host->device.parent, cmd->cmd_dma, - cmd->dma_size, cmd->dma_dir); - else if (cmd->dma_type == CMD_DMA_PAGE) - dma_unmap_page(host->device.parent, cmd->cmd_dma, - cmd->dma_size, cmd->dma_dir); - /* XXX: Check for CMD_DMA_NONE bug */ - cmd->dma_type = CMD_DMA_NONE; - cmd->cmd_dma = 0; - } - if (cmd->sge_buffer) { - dma_unmap_sg(host->device.parent, cmd->sge_buffer, - cmd->dma_size, cmd->dma_dir); - cmd->sge_buffer = NULL; - } + if (scsi_sg_count(cmd->Current_SCpnt)) + dma_unmap_sg(lu->ud->ne->host->device.parent, + scsi_sglist(cmd->Current_SCpnt), + scsi_sg_count(cmd->Current_SCpnt), + cmd->Current_SCpnt->sc_data_direction); list_move_tail(&cmd->list, &lu->cmd_orb_completed); } @@ -838,6 +825,10 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud) #endif } + if (dma_get_max_seg_size(hi->host->device.parent) > SBP2_MAX_SEG_SIZE) + BUG_ON(dma_set_max_seg_size(hi->host->device.parent, + SBP2_MAX_SEG_SIZE)); + /* Prevent unloading of the 1394 host */ if (!try_module_get(hi->host->driver->owner)) { SBP2_ERR("failed to get a reference on 1394 host driver"); @@ -1512,76 +1503,41 @@ static int sbp2_agent_reset(struct sbp2_lu *lu, int wait) static int sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, struct sbp2_fwhost_info *hi, struct sbp2_command_info *cmd, - unsigned int scsi_use_sg, + unsigned int sg_count, struct scatterlist *sg, u32 orb_direction, enum dma_data_direction dma_dir) { struct device *dmadev = hi->host->device.parent; + struct sbp2_unrestricted_page_table *pt; + int i, n; + + n = dma_map_sg(dmadev, sg, sg_count, dma_dir); + if (n == 0) + return -ENOMEM; - cmd->dma_dir = dma_dir; orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); orb->misc |= ORB_SET_DIRECTION(orb_direction); /* special case if only one element (and less than 64KB in size) */ - if (scsi_use_sg == 1 && sg->length <= SBP2_MAX_SG_ELEMENT_LENGTH) { - - cmd->dma_size = sg->length; - cmd->dma_type = CMD_DMA_PAGE; - cmd->cmd_dma = dma_map_page(dmadev, sg_page(sg), sg->offset, - cmd->dma_size, cmd->dma_dir); - if (dma_mapping_error(dmadev, cmd->cmd_dma)) { - cmd->cmd_dma = 0; - return -ENOMEM; - } - - orb->data_descriptor_lo = cmd->cmd_dma; - orb->misc |= ORB_SET_DATA_SIZE(cmd->dma_size); - + if (n == 1) { + orb->misc |= ORB_SET_DATA_SIZE(sg_dma_len(sg)); + orb->data_descriptor_lo = sg_dma_address(sg); } else { - struct sbp2_unrestricted_page_table *sg_element = - &cmd->scatter_gather_element[0]; - u32 sg_count, sg_len; - dma_addr_t sg_addr; - int i, count = dma_map_sg(dmadev, sg, scsi_use_sg, dma_dir); - - cmd->dma_size = scsi_use_sg; - cmd->sge_buffer = sg; - - /* use page tables (s/g) */ - orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); - orb->data_descriptor_lo = cmd->sge_dma; + pt = &cmd->scatter_gather_element[0]; dma_sync_single_for_cpu(dmadev, cmd->sge_dma, sizeof(cmd->scatter_gather_element), DMA_TO_DEVICE); - /* loop through and fill out our SBP-2 page tables - * (and split up anything too large) */ - for (i = 0, sg_count = 0; i < count; i++, sg = sg_next(sg)) { - sg_len = sg_dma_len(sg); - sg_addr = sg_dma_address(sg); - while (sg_len) { - sg_element[sg_count].segment_base_lo = sg_addr; - if (sg_len > SBP2_MAX_SG_ELEMENT_LENGTH) { - sg_element[sg_count].length_segment_base_hi = - PAGE_TABLE_SET_SEGMENT_LENGTH(SBP2_MAX_SG_ELEMENT_LENGTH); - sg_addr += SBP2_MAX_SG_ELEMENT_LENGTH; - sg_len -= SBP2_MAX_SG_ELEMENT_LENGTH; - } else { - sg_element[sg_count].length_segment_base_hi = - PAGE_TABLE_SET_SEGMENT_LENGTH(sg_len); - sg_len = 0; - } - sg_count++; - } + for_each_sg(sg, sg, n, i) { + pt[i].high = cpu_to_be32(sg_dma_len(sg) << 16); + pt[i].low = cpu_to_be32(sg_dma_address(sg)); } - orb->misc |= ORB_SET_DATA_SIZE(sg_count); - - sbp2util_cpu_to_be32_buffer(sg_element, - (sizeof(struct sbp2_unrestricted_page_table)) * - sg_count); + orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1) | + ORB_SET_DATA_SIZE(n); + orb->data_descriptor_lo = cmd->sge_dma; dma_sync_single_for_device(dmadev, cmd->sge_dma, sizeof(cmd->scatter_gather_element), @@ -2048,6 +2004,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) sdev->start_stop_pwr_cond = 1; if (lu->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS) blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512); + + blk_queue_max_segment_size(sdev->request_queue, SBP2_MAX_SEG_SIZE); return 0; } diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 875428bc8d29..c5036f1cc5b0 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -139,13 +139,10 @@ struct sbp2_logout_orb { u32 status_fifo_lo; } __attribute__((packed)); -#define PAGE_TABLE_SET_SEGMENT_BASE_HI(v) ((v) & 0xffff) -#define PAGE_TABLE_SET_SEGMENT_LENGTH(v) (((v) & 0xffff) << 16) - struct sbp2_unrestricted_page_table { - u32 length_segment_base_hi; - u32 segment_base_lo; -} __attribute__((packed)); + __be32 high; + __be32 low; +}; #define RESP_STATUS_REQUEST_COMPLETE 0x0 #define RESP_STATUS_TRANSPORT_FAILURE 0x1 @@ -216,15 +213,18 @@ struct sbp2_status_block { #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e #define SBP2_SW_VERSION_ENTRY 0x00010483 - /* - * SCSI specific definitions + * The default maximum s/g segment size of a FireWire controller is + * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to + * be quadlet-aligned, we set the length limit to 0xffff & ~3. */ +#define SBP2_MAX_SEG_SIZE 0xfffc -#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 -/* There is no real limitation of the queue depth (i.e. length of the linked +/* + * There is no real limitation of the queue depth (i.e. length of the linked * list of command ORBs) at the target. The chosen depth is merely an - * implementation detail of the sbp2 driver. */ + * implementation detail of the sbp2 driver. + */ #define SBP2_MAX_CMDS 8 #define SBP2_SCSI_STATUS_GOOD 0x0 @@ -240,12 +240,6 @@ struct sbp2_status_block { * Representations of commands and devices */ -enum sbp2_dma_types { - CMD_DMA_NONE, - CMD_DMA_PAGE, - CMD_DMA_SINGLE -}; - /* Per SCSI command */ struct sbp2_command_info { struct list_head list; @@ -258,11 +252,6 @@ struct sbp2_command_info { struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] __attribute__((aligned(8))); dma_addr_t sge_dma; - void *sge_buffer; - dma_addr_t cmd_dma; - enum sbp2_dma_types dma_type; - unsigned long dma_size; - enum dma_data_direction dma_dir; }; /* Per FireWire host */ -- GitLab From 10963ea1bd966ba46a46178c4d6abcdf3c23538d Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 16 Aug 2008 00:11:48 +0200 Subject: [PATCH 5022/6244] ieee1394: raw1394: replace BKL by local mutex, make ioctl() and mmap() thread-safe This removes the last usage of the Big Kernel Lock from the ieee1394 stack, i.e. from raw1394's (unlocked_)ioctl and compat_ioctl. The ioctl()s don't need to take the BKL, but they need to be serialized per struct file *. In particular, accesses to ->iso_state need to be serial. We simply use a blocking mutex for this purpose because libraw1394 does not use O_NONBLOCK. In practice, there is no lock contention anyway because most if not all libraw1394 clients use a libraw1394 handle only in a single thread. mmap() also accesses ->iso_state. Until now this was unprotected against concurrent changes by ioctls. Fix this bug while we are at it. Signed-off-by: Stefan Richter --- drivers/ieee1394/raw1394-private.h | 1 + drivers/ieee1394/raw1394.c | 23 +++++++++++++++++------ 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/ieee1394/raw1394-private.h b/drivers/ieee1394/raw1394-private.h index a06aaad5b448..7a225a405987 100644 --- a/drivers/ieee1394/raw1394-private.h +++ b/drivers/ieee1394/raw1394-private.h @@ -22,6 +22,7 @@ enum raw1394_iso_state { RAW1394_ISO_INACTIVE = 0, struct file_info { struct list_head list; + struct mutex state_mutex; enum { opened, initialized, connected } state; unsigned int protocol_version; diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 6fa9e4a21840..975ed7062aa1 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include @@ -2541,11 +2542,18 @@ static int raw1394_read_cycle_timer(struct file_info *fi, void __user * uaddr) static int raw1394_mmap(struct file *file, struct vm_area_struct *vma) { struct file_info *fi = file->private_data; + int ret; + + mutex_lock(&fi->state_mutex); if (fi->iso_state == RAW1394_ISO_INACTIVE) - return -EINVAL; + ret = -EINVAL; + else + ret = dma_region_mmap(&fi->iso_handle->data_buf, file, vma); + + mutex_unlock(&fi->state_mutex); - return dma_region_mmap(&fi->iso_handle->data_buf, file, vma); + return ret; } /* ioctl is only used for rawiso operations */ @@ -2659,10 +2667,12 @@ static long do_raw1394_ioctl(struct file *file, unsigned int cmd, static long raw1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct file_info *fi = file->private_data; long ret; - lock_kernel(); + + mutex_lock(&fi->state_mutex); ret = do_raw1394_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&fi->state_mutex); return ret; } @@ -2724,7 +2734,7 @@ static long raw1394_compat_ioctl(struct file *file, void __user *argp = (void __user *)arg; long err; - lock_kernel(); + mutex_lock(&fi->state_mutex); switch (cmd) { /* These requests have same format as long as 'int' has same size. */ case RAW1394_IOC_ISO_RECV_INIT: @@ -2757,7 +2767,7 @@ static long raw1394_compat_ioctl(struct file *file, err = -EINVAL; break; } - unlock_kernel(); + mutex_unlock(&fi->state_mutex); return err; } @@ -2791,6 +2801,7 @@ static int raw1394_open(struct inode *inode, struct file *file) fi->notification = (u8) RAW1394_NOTIFY_ON; /* busreset notification */ INIT_LIST_HEAD(&fi->list); + mutex_init(&fi->state_mutex); fi->state = opened; INIT_LIST_HEAD(&fi->req_pending); INIT_LIST_HEAD(&fi->req_complete); -- GitLab From ddfb908d3f905dbb5964d6fbf783e69c417eb13e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 16 Aug 2008 17:52:04 +0200 Subject: [PATCH 5023/6244] ieee1394: raw1394: narrow down the state_mutex protected region Refactor the ioctl dispatcher in order to move a fraction of it out of the section which is serialized by fi->state_mutex. This is not so much about performance but more about self-documentation: The mutex_lock()/ mutex_unlock() calls are now closer to the data accesses which the mutex protects, i.e. to the iso_state switch. Signed-off-by: Stefan Richter --- drivers/ieee1394/raw1394.c | 211 +++++++++++++++++++------------------ 1 file changed, 110 insertions(+), 101 deletions(-) diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 975ed7062aa1..d1594427601f 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -2556,102 +2556,106 @@ static int raw1394_mmap(struct file *file, struct vm_area_struct *vma) return ret; } -/* ioctl is only used for rawiso operations */ -static long do_raw1394_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) +static long raw1394_ioctl_inactive(struct file_info *fi, unsigned int cmd, + void __user *argp) +{ + switch (cmd) { + case RAW1394_IOC_ISO_XMIT_INIT: + return raw1394_iso_xmit_init(fi, argp); + case RAW1394_IOC_ISO_RECV_INIT: + return raw1394_iso_recv_init(fi, argp); + default: + return -EINVAL; + } +} + +static long raw1394_ioctl_recv(struct file_info *fi, unsigned int cmd, + unsigned long arg) { - struct file_info *fi = file->private_data; void __user *argp = (void __user *)arg; - switch (fi->iso_state) { - case RAW1394_ISO_INACTIVE: - switch (cmd) { - case RAW1394_IOC_ISO_XMIT_INIT: - return raw1394_iso_xmit_init(fi, argp); - case RAW1394_IOC_ISO_RECV_INIT: - return raw1394_iso_recv_init(fi, argp); - default: - break; + switch (cmd) { + case RAW1394_IOC_ISO_RECV_START:{ + int args[3]; + + if (copy_from_user(&args[0], argp, sizeof(args))) + return -EFAULT; + return hpsb_iso_recv_start(fi->iso_handle, + args[0], args[1], args[2]); } - break; - case RAW1394_ISO_RECV: - switch (cmd) { - case RAW1394_IOC_ISO_RECV_START:{ - /* copy args from user-space */ - int args[3]; - if (copy_from_user - (&args[0], argp, sizeof(args))) - return -EFAULT; - return hpsb_iso_recv_start(fi->iso_handle, - args[0], args[1], - args[2]); - } - case RAW1394_IOC_ISO_XMIT_RECV_STOP: - hpsb_iso_stop(fi->iso_handle); - return 0; - case RAW1394_IOC_ISO_RECV_LISTEN_CHANNEL: - return hpsb_iso_recv_listen_channel(fi->iso_handle, - arg); - case RAW1394_IOC_ISO_RECV_UNLISTEN_CHANNEL: - return hpsb_iso_recv_unlisten_channel(fi->iso_handle, - arg); - case RAW1394_IOC_ISO_RECV_SET_CHANNEL_MASK:{ - /* copy the u64 from user-space */ - u64 mask; - if (copy_from_user(&mask, argp, sizeof(mask))) - return -EFAULT; - return hpsb_iso_recv_set_channel_mask(fi-> - iso_handle, - mask); - } - case RAW1394_IOC_ISO_GET_STATUS: - return raw1394_iso_get_status(fi, argp); - case RAW1394_IOC_ISO_RECV_PACKETS: - return raw1394_iso_recv_packets(fi, argp); - case RAW1394_IOC_ISO_RECV_RELEASE_PACKETS: - return hpsb_iso_recv_release_packets(fi->iso_handle, - arg); - case RAW1394_IOC_ISO_RECV_FLUSH: - return hpsb_iso_recv_flush(fi->iso_handle); - case RAW1394_IOC_ISO_SHUTDOWN: - raw1394_iso_shutdown(fi); - return 0; - case RAW1394_IOC_ISO_QUEUE_ACTIVITY: - queue_rawiso_event(fi); - return 0; + case RAW1394_IOC_ISO_XMIT_RECV_STOP: + hpsb_iso_stop(fi->iso_handle); + return 0; + case RAW1394_IOC_ISO_RECV_LISTEN_CHANNEL: + return hpsb_iso_recv_listen_channel(fi->iso_handle, arg); + case RAW1394_IOC_ISO_RECV_UNLISTEN_CHANNEL: + return hpsb_iso_recv_unlisten_channel(fi->iso_handle, arg); + case RAW1394_IOC_ISO_RECV_SET_CHANNEL_MASK:{ + u64 mask; + + if (copy_from_user(&mask, argp, sizeof(mask))) + return -EFAULT; + return hpsb_iso_recv_set_channel_mask(fi->iso_handle, + mask); } - break; - case RAW1394_ISO_XMIT: - switch (cmd) { - case RAW1394_IOC_ISO_XMIT_START:{ - /* copy two ints from user-space */ - int args[2]; - if (copy_from_user - (&args[0], argp, sizeof(args))) - return -EFAULT; - return hpsb_iso_xmit_start(fi->iso_handle, - args[0], args[1]); - } - case RAW1394_IOC_ISO_XMIT_SYNC: - return hpsb_iso_xmit_sync(fi->iso_handle); - case RAW1394_IOC_ISO_XMIT_RECV_STOP: - hpsb_iso_stop(fi->iso_handle); - return 0; - case RAW1394_IOC_ISO_GET_STATUS: - return raw1394_iso_get_status(fi, argp); - case RAW1394_IOC_ISO_XMIT_PACKETS: - return raw1394_iso_send_packets(fi, argp); - case RAW1394_IOC_ISO_SHUTDOWN: - raw1394_iso_shutdown(fi); - return 0; - case RAW1394_IOC_ISO_QUEUE_ACTIVITY: - queue_rawiso_event(fi); - return 0; + case RAW1394_IOC_ISO_GET_STATUS: + return raw1394_iso_get_status(fi, argp); + case RAW1394_IOC_ISO_RECV_PACKETS: + return raw1394_iso_recv_packets(fi, argp); + case RAW1394_IOC_ISO_RECV_RELEASE_PACKETS: + return hpsb_iso_recv_release_packets(fi->iso_handle, arg); + case RAW1394_IOC_ISO_RECV_FLUSH: + return hpsb_iso_recv_flush(fi->iso_handle); + case RAW1394_IOC_ISO_SHUTDOWN: + raw1394_iso_shutdown(fi); + return 0; + case RAW1394_IOC_ISO_QUEUE_ACTIVITY: + queue_rawiso_event(fi); + return 0; + default: + return -EINVAL; + } +} + +static long raw1394_ioctl_xmit(struct file_info *fi, unsigned int cmd, + void __user *argp) +{ + switch (cmd) { + case RAW1394_IOC_ISO_XMIT_START:{ + int args[2]; + + if (copy_from_user(&args[0], argp, sizeof(args))) + return -EFAULT; + return hpsb_iso_xmit_start(fi->iso_handle, + args[0], args[1]); } - break; + case RAW1394_IOC_ISO_XMIT_SYNC: + return hpsb_iso_xmit_sync(fi->iso_handle); + case RAW1394_IOC_ISO_XMIT_RECV_STOP: + hpsb_iso_stop(fi->iso_handle); + return 0; + case RAW1394_IOC_ISO_GET_STATUS: + return raw1394_iso_get_status(fi, argp); + case RAW1394_IOC_ISO_XMIT_PACKETS: + return raw1394_iso_send_packets(fi, argp); + case RAW1394_IOC_ISO_SHUTDOWN: + raw1394_iso_shutdown(fi); + return 0; + case RAW1394_IOC_ISO_QUEUE_ACTIVITY: + queue_rawiso_event(fi); + return 0; default: - break; + return -EINVAL; } +} + +/* ioctl is only used for rawiso operations */ +static long raw1394_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct file_info *fi = file->private_data; + void __user *argp = (void __user *)arg; + long ret; /* state-independent commands */ switch(cmd) { @@ -2661,18 +2665,25 @@ static long do_raw1394_ioctl(struct file *file, unsigned int cmd, break; } - return -EINVAL; -} + mutex_lock(&fi->state_mutex); -static long raw1394_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -{ - struct file_info *fi = file->private_data; - long ret; + switch (fi->iso_state) { + case RAW1394_ISO_INACTIVE: + ret = raw1394_ioctl_inactive(fi, cmd, argp); + break; + case RAW1394_ISO_RECV: + ret = raw1394_ioctl_recv(fi, cmd, arg); + break; + case RAW1394_ISO_XMIT: + ret = raw1394_ioctl_xmit(fi, cmd, argp); + break; + default: + ret = -EINVAL; + break; + } - mutex_lock(&fi->state_mutex); - ret = do_raw1394_ioctl(file, cmd, arg); mutex_unlock(&fi->state_mutex); + return ret; } @@ -2710,7 +2721,7 @@ static long raw1394_iso_xmit_recv_packets32(struct file *file, unsigned int cmd, !copy_from_user(&infos32, &arg->infos, sizeof infos32)) { infos = compat_ptr(infos32); if (!copy_to_user(&dst->infos, &infos, sizeof infos)) - err = do_raw1394_ioctl(file, cmd, (unsigned long)dst); + err = raw1394_ioctl(file, cmd, (unsigned long)dst); } return err; } @@ -2734,7 +2745,6 @@ static long raw1394_compat_ioctl(struct file *file, void __user *argp = (void __user *)arg; long err; - mutex_lock(&fi->state_mutex); switch (cmd) { /* These requests have same format as long as 'int' has same size. */ case RAW1394_IOC_ISO_RECV_INIT: @@ -2751,7 +2761,7 @@ static long raw1394_compat_ioctl(struct file *file, case RAW1394_IOC_ISO_GET_STATUS: case RAW1394_IOC_ISO_SHUTDOWN: case RAW1394_IOC_ISO_QUEUE_ACTIVITY: - err = do_raw1394_ioctl(file, cmd, arg); + err = raw1394_ioctl(file, cmd, arg); break; /* These request have different format. */ case RAW1394_IOC_ISO_RECV_PACKETS32: @@ -2767,7 +2777,6 @@ static long raw1394_compat_ioctl(struct file *file, err = -EINVAL; break; } - mutex_unlock(&fi->state_mutex); return err; } -- GitLab From f22e52b89e036fd12b9374212da8b5d4a447bd1e Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 16 Aug 2008 00:15:16 +0200 Subject: [PATCH 5024/6244] ieee1394: raw1394: make write() thread-safe Application programs should use a libraw1394 handle only in a single thread. The raw1394 driver was apparently relying on this, because it did nothing to protect its fi->state variable from corruption due to concurrent accesses. We now serialize the fi->state accesses. This affects the write() path. We re-use the state_mutex which was introduced to protect fi->iso_state accesses in the ioctl() path. These paths and accesses are independent of each other, hence separate mutexes could be used. But I don't see much benefit in that. Signed-off-by: Stefan Richter --- drivers/ieee1394/raw1394.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index d1594427601f..2cf4ae75beca 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -2268,6 +2268,8 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer, return -EFAULT; } + mutex_lock(&fi->state_mutex); + switch (fi->state) { case opened: retval = state_opened(fi, req); @@ -2282,6 +2284,8 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer, break; } + mutex_unlock(&fi->state_mutex); + if (retval < 0) { free_pending_request(req); } else { -- GitLab From d98562d12f71284593b3a5db020d6f2655061efe Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 11 Sep 2008 19:22:53 +0200 Subject: [PATCH 5025/6244] ieee1394: dv1394, video1394: remove unnecessary expressions init->channel and v.buffer are unsigned and tests for < 0 therefore always false. gcc knows this and eliminates the code, but anyway... Reported by Roel Kluin. Signed-off-by: Stefan Richter --- drivers/ieee1394/dv1394.c | 2 +- drivers/ieee1394/video1394.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index b6eb2cf25914..df70f51279d8 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -918,7 +918,7 @@ static int do_dv1394_init(struct video_card *video, struct dv1394_init *init) /* default SYT offset is 3 cycles */ init->syt_offset = 3; - if ( (init->channel > 63) || (init->channel < 0) ) + if (init->channel > 63) init->channel = 63; chan_mask = (u64)1 << init->channel; diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 25db6e67fa4e..fa9e7d8b51fe 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -893,7 +893,7 @@ static long video1394_ioctl(struct file *file, if (unlikely(d == NULL)) return -EFAULT; - if (unlikely((v.buffer<0) || (v.buffer>=d->num_desc - 1))) { + if (unlikely(v.buffer >= d->num_desc - 1)) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; @@ -959,7 +959,7 @@ static long video1394_ioctl(struct file *file, if (unlikely(d == NULL)) return -EFAULT; - if (unlikely((v.buffer<0) || (v.buffer>d->num_desc - 1))) { + if (unlikely(v.buffer > d->num_desc - 1)) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; @@ -1030,7 +1030,7 @@ static long video1394_ioctl(struct file *file, d = find_ctx(&ctx->context_list, OHCI_ISO_TRANSMIT, v.channel); if (d == NULL) return -EFAULT; - if ((v.buffer<0) || (v.buffer>=d->num_desc - 1)) { + if (v.buffer >= d->num_desc - 1) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; @@ -1137,7 +1137,7 @@ static long video1394_ioctl(struct file *file, d = find_ctx(&ctx->context_list, OHCI_ISO_TRANSMIT, v.channel); if (d == NULL) return -EFAULT; - if ((v.buffer<0) || (v.buffer>=d->num_desc-1)) { + if (v.buffer >= d->num_desc - 1) { PRINT(KERN_ERR, ohci->host->id, "Buffer %d out of range",v.buffer); return -EINVAL; -- GitLab From 11305c3eda233d3aff52d755a2d6c1706c509962 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 19 Aug 2008 21:29:23 +0200 Subject: [PATCH 5026/6244] ieee1394: nodemgr clean up class iterators Remove useless pointer type casts. Remove unnecessary hi->host indirection where only host is used. Remove an unnecessary WARN_ON. Change a few names. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 178 +++++++++++++++++-------------------- 1 file changed, 81 insertions(+), 97 deletions(-) diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 16240a789650..b9d3f46c2b06 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -154,7 +154,7 @@ struct host_info { static int nodemgr_bus_match(struct device * dev, struct device_driver * drv); static int nodemgr_uevent(struct device *dev, struct kobj_uevent_env *env); -static void nodemgr_resume_ne(struct node_entry *ne); +static void nodemgr_reactivate_ne(struct node_entry *ne); static void nodemgr_remove_ne(struct node_entry *ne); static struct node_entry *find_entry_by_guid(u64 guid); @@ -734,10 +734,10 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) static DEFINE_MUTEX(nodemgr_serialize_remove_uds); -static int __match_ne(struct device *dev, void *data) +static int match_ne(struct device *dev, void *data) { struct unit_directory *ud; - struct node_entry *ne = (struct node_entry *)data; + struct node_entry *ne = data; ud = container_of(dev, struct unit_directory, unit_dev); return ud->ne == ne; @@ -754,8 +754,7 @@ static void nodemgr_remove_uds(struct node_entry *ne) */ mutex_lock(&nodemgr_serialize_remove_uds); for (;;) { - dev = class_find_device(&nodemgr_ud_class, NULL, ne, - __match_ne); + dev = class_find_device(&nodemgr_ud_class, NULL, ne, match_ne); if (!dev) break; ud = container_of(dev, struct unit_directory, unit_dev); @@ -785,7 +784,7 @@ static void nodemgr_remove_ne(struct node_entry *ne) put_device(dev); } -static int __nodemgr_remove_host_dev(struct device *dev, void *data) +static int remove_host_dev(struct device *dev, void *data) { if (dev->bus == &ieee1394_bus_type) nodemgr_remove_ne(container_of(dev, struct node_entry, @@ -795,7 +794,7 @@ static int __nodemgr_remove_host_dev(struct device *dev, void *data) static void nodemgr_remove_host_dev(struct device *dev) { - WARN_ON(device_for_each_child(dev, NULL, __nodemgr_remove_host_dev)); + device_for_each_child(dev, NULL, remove_host_dev); sysfs_remove_link(&dev->kobj, "irm_id"); sysfs_remove_link(&dev->kobj, "busmgr_id"); sysfs_remove_link(&dev->kobj, "host_id"); @@ -830,11 +829,10 @@ static void nodemgr_update_bus_options(struct node_entry *ne) } -static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr *csr, - struct host_info *hi, nodeid_t nodeid, - unsigned int generation) +static struct node_entry *nodemgr_create_node(octlet_t guid, + struct csr1212_csr *csr, struct hpsb_host *host, + nodeid_t nodeid, unsigned int generation) { - struct hpsb_host *host = hi->host; struct node_entry *ne; ne = kzalloc(sizeof(*ne), GFP_KERNEL); @@ -888,10 +886,10 @@ fail_alloc: return NULL; } -static int __match_ne_guid(struct device *dev, void *data) +static int match_ne_guid(struct device *dev, void *data) { struct node_entry *ne; - u64 *guid = (u64 *)data; + u64 *guid = data; ne = container_of(dev, struct node_entry, node_dev); return ne->guid == *guid; @@ -902,8 +900,7 @@ static struct node_entry *find_entry_by_guid(u64 guid) struct device *dev; struct node_entry *ne; - dev = class_find_device(&nodemgr_ne_class, NULL, &guid, - __match_ne_guid); + dev = class_find_device(&nodemgr_ne_class, NULL, &guid, match_ne_guid); if (!dev) return NULL; ne = container_of(dev, struct node_entry, node_dev); @@ -912,21 +909,21 @@ static struct node_entry *find_entry_by_guid(u64 guid) return ne; } -struct match_nodeid_param { +struct match_nodeid_parameter { struct hpsb_host *host; nodeid_t nodeid; }; -static int __match_ne_nodeid(struct device *dev, void *data) +static int match_ne_nodeid(struct device *dev, void *data) { int found = 0; struct node_entry *ne; - struct match_nodeid_param *param = (struct match_nodeid_param *)data; + struct match_nodeid_parameter *p = data; if (!dev) goto ret; ne = container_of(dev, struct node_entry, node_dev); - if (ne->host == param->host && ne->nodeid == param->nodeid) + if (ne->host == p->host && ne->nodeid == p->nodeid) found = 1; ret: return found; @@ -937,13 +934,12 @@ static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, { struct device *dev; struct node_entry *ne; - struct match_nodeid_param param; + struct match_nodeid_parameter p; - param.host = host; - param.nodeid = nodeid; + p.host = host; + p.nodeid = nodeid; - dev = class_find_device(&nodemgr_ne_class, NULL, ¶m, - __match_ne_nodeid); + dev = class_find_device(&nodemgr_ne_class, NULL, &p, match_ne_nodeid); if (!dev) return NULL; ne = container_of(dev, struct node_entry, node_dev); @@ -990,7 +986,7 @@ fail_devreg: * immediate unit directories looking for software_id and * software_version entries, in order to get driver autoloading working. */ static struct unit_directory *nodemgr_process_unit_directory - (struct host_info *hi, struct node_entry *ne, struct csr1212_keyval *ud_kv, + (struct node_entry *ne, struct csr1212_keyval *ud_kv, unsigned int *id, struct unit_directory *parent) { struct unit_directory *ud; @@ -1083,7 +1079,7 @@ static struct unit_directory *nodemgr_process_unit_directory nodemgr_register_device(ne, ud, &ne->device); /* process the child unit */ - ud_child = nodemgr_process_unit_directory(hi, ne, kv, id, ud); + ud_child = nodemgr_process_unit_directory(ne, kv, id, ud); if (ud_child == NULL) break; @@ -1137,7 +1133,7 @@ unit_directory_error: } -static void nodemgr_process_root_directory(struct host_info *hi, struct node_entry *ne) +static void nodemgr_process_root_directory(struct node_entry *ne) { unsigned int ud_id = 0; struct csr1212_dentry *dentry; @@ -1157,7 +1153,7 @@ static void nodemgr_process_root_directory(struct host_info *hi, struct node_ent break; case CSR1212_KV_ID_UNIT: - nodemgr_process_unit_directory(hi, ne, kv, &ud_id, NULL); + nodemgr_process_unit_directory(ne, kv, &ud_id, NULL); break; case CSR1212_KV_ID_DESCRIPTOR: @@ -1273,8 +1269,7 @@ void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) * the to take whatever actions required. */ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, - struct host_info *hi, nodeid_t nodeid, - unsigned int generation) + nodeid_t nodeid, unsigned int generation) { if (ne->nodeid != nodeid) { HPSB_DEBUG("Node changed: " NODE_BUS_FMT " -> " NODE_BUS_FMT, @@ -1306,7 +1301,7 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, } if (ne->in_limbo) - nodemgr_resume_ne(ne); + nodemgr_reactivate_ne(ne); /* Mark the node current */ ne->generation = generation; @@ -1314,10 +1309,9 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, -static void nodemgr_node_scan_one(struct host_info *hi, +static void nodemgr_node_scan_one(struct hpsb_host *host, nodeid_t nodeid, int generation) { - struct hpsb_host *host = hi->host; struct node_entry *ne; octlet_t guid; struct csr1212_csr *csr; @@ -1373,16 +1367,15 @@ static void nodemgr_node_scan_one(struct host_info *hi, } if (!ne) - nodemgr_create_node(guid, csr, hi, nodeid, generation); + nodemgr_create_node(guid, csr, host, nodeid, generation); else - nodemgr_update_node(ne, csr, hi, nodeid, generation); + nodemgr_update_node(ne, csr, nodeid, generation); } -static void nodemgr_node_scan(struct host_info *hi, int generation) +static void nodemgr_node_scan(struct hpsb_host *host, int generation) { int count; - struct hpsb_host *host = hi->host; struct selfid *sid = (struct selfid *)host->topology_map; nodeid_t nodeid = LOCAL_BUS; @@ -1395,15 +1388,15 @@ static void nodemgr_node_scan(struct host_info *hi, int generation) nodeid++; continue; } - nodemgr_node_scan_one(hi, nodeid++, generation); + nodemgr_node_scan_one(host, nodeid++, generation); } } -static int __nodemgr_driver_suspend(struct device *dev, void *data) +static int pause_ne(struct device *dev, void *data) { struct unit_directory *ud; struct device_driver *drv; - struct node_entry *ne = (struct node_entry *)data; + struct node_entry *ne = data; int error; ud = container_of(dev, struct unit_directory, unit_dev); @@ -1425,11 +1418,23 @@ static int __nodemgr_driver_suspend(struct device *dev, void *data) return 0; } -static int __nodemgr_driver_resume(struct device *dev, void *data) +static void nodemgr_pause_ne(struct node_entry *ne) +{ + HPSB_DEBUG("Node suspended: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", + NODE_BUS_ARGS(ne->host, ne->nodeid), + (unsigned long long)ne->guid); + + ne->in_limbo = 1; + WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); + + class_for_each_device(&nodemgr_ud_class, NULL, ne, pause_ne); +} + +static int reactivate_ne(struct device *dev, void *data) { struct unit_directory *ud; struct device_driver *drv; - struct node_entry *ne = (struct node_entry *)data; + struct node_entry *ne = data; ud = container_of(dev, struct unit_directory, unit_dev); if (ud->ne == ne) { @@ -1447,37 +1452,23 @@ static int __nodemgr_driver_resume(struct device *dev, void *data) return 0; } -static void nodemgr_suspend_ne(struct node_entry *ne) -{ - HPSB_DEBUG("Node suspended: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", - NODE_BUS_ARGS(ne->host, ne->nodeid), - (unsigned long long)ne->guid); - - ne->in_limbo = 1; - WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); - - class_for_each_device(&nodemgr_ud_class, NULL, ne, - __nodemgr_driver_suspend); -} - - -static void nodemgr_resume_ne(struct node_entry *ne) +static void nodemgr_reactivate_ne(struct node_entry *ne) { ne->in_limbo = 0; device_remove_file(&ne->device, &dev_attr_ne_in_limbo); - class_for_each_device(&nodemgr_ud_class, NULL, ne, - __nodemgr_driver_resume); + class_for_each_device(&nodemgr_ud_class, NULL, ne, reactivate_ne); HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", - NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); + NODE_BUS_ARGS(ne->host, ne->nodeid), + (unsigned long long)ne->guid); } -static int __nodemgr_update_pdrv(struct device *dev, void *data) +static int update_pdrv(struct device *dev, void *data) { struct unit_directory *ud; struct device_driver *drv; struct hpsb_protocol_driver *pdrv; - struct node_entry *ne = (struct node_entry *)data; + struct node_entry *ne = data; int error; ud = container_of(dev, struct unit_directory, unit_dev); @@ -1503,8 +1494,7 @@ static int __nodemgr_update_pdrv(struct device *dev, void *data) static void nodemgr_update_pdrv(struct node_entry *ne) { - class_for_each_device(&nodemgr_ud_class, NULL, ne, - __nodemgr_update_pdrv); + class_for_each_device(&nodemgr_ud_class, NULL, ne, update_pdrv); } @@ -1535,11 +1525,12 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) } -static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int generation) +static void nodemgr_probe_ne(struct hpsb_host *host, struct node_entry *ne, + int generation) { struct device *dev; - if (ne->host != hi->host || ne->in_limbo) + if (ne->host != host || ne->in_limbo) return; dev = get_device(&ne->device); @@ -1554,40 +1545,40 @@ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int ge * down to the drivers. Otherwise, this is a dead node and we * suspend it. */ if (ne->needs_probe) - nodemgr_process_root_directory(hi, ne); + nodemgr_process_root_directory(ne); else if (ne->generation == generation) nodemgr_update_pdrv(ne); else - nodemgr_suspend_ne(ne); + nodemgr_pause_ne(ne); put_device(dev); } -struct probe_param { - struct host_info *hi; +struct node_probe_parameter { + struct hpsb_host *host; int generation; bool probe_now; }; static int node_probe(struct device *dev, void *data) { - struct probe_param *p = data; + struct node_probe_parameter *p = data; struct node_entry *ne; - if (p->generation != get_hpsb_generation(p->hi->host)) + if (p->generation != get_hpsb_generation(p->host)) return -EAGAIN; ne = container_of(dev, struct node_entry, node_dev); if (ne->needs_probe == p->probe_now) - nodemgr_probe_ne(p->hi, ne, p->generation); + nodemgr_probe_ne(p->host, ne, p->generation); return 0; } -static void nodemgr_node_probe(struct host_info *hi, int generation) +static void nodemgr_node_probe(struct hpsb_host *host, int generation) { - struct probe_param p; + struct node_probe_parameter p; - p.hi = hi; + p.host = host; p.generation = generation; /* * Do some processing of the nodes we've probed. This pulls them @@ -1730,10 +1721,9 @@ static int nodemgr_check_irm_capability(struct hpsb_host *host, int cycles) return 1; } -static int nodemgr_host_thread(void *__hi) +static int nodemgr_host_thread(void *data) { - struct host_info *hi = (struct host_info *)__hi; - struct hpsb_host *host = hi->host; + struct hpsb_host *host = data; unsigned int g, generation = 0; int i, reset_cycles = 0; @@ -1787,11 +1777,11 @@ static int nodemgr_host_thread(void *__hi) * entries. This does not do the sysfs stuff, since that * would trigger uevents and such, which is a bad idea at * this point. */ - nodemgr_node_scan(hi, generation); + nodemgr_node_scan(host, generation); /* This actually does the full probe, with sysfs * registration. */ - nodemgr_node_probe(hi, generation); + nodemgr_node_probe(host, generation); /* Update some of our sysfs symlinks */ nodemgr_update_host_dev_links(host); @@ -1801,22 +1791,20 @@ exit: return 0; } -struct host_iter_param { +struct per_host_parameter { void *data; int (*cb)(struct hpsb_host *, void *); }; -static int __nodemgr_for_each_host(struct device *dev, void *data) +static int per_host(struct device *dev, void *data) { struct hpsb_host *host; - struct host_iter_param *hip = (struct host_iter_param *)data; - int error = 0; + struct per_host_parameter *p = data; host = container_of(dev, struct hpsb_host, host_dev); - error = hip->cb(host, hip->data); - - return error; + return p->cb(host, p->data); } + /** * nodemgr_for_each_host - call a function for each IEEE 1394 host * @data: an address to supply to the callback @@ -1831,15 +1819,11 @@ static int __nodemgr_for_each_host(struct device *dev, void *data) */ int nodemgr_for_each_host(void *data, int (*cb)(struct hpsb_host *, void *)) { - struct host_iter_param hip; - int error; + struct per_host_parameter p; - hip.cb = cb; - hip.data = data; - error = class_for_each_device(&hpsb_host_class, NULL, &hip, - __nodemgr_for_each_host); - - return error; + p.cb = cb; + p.data = data; + return class_for_each_device(&hpsb_host_class, NULL, &p, per_host); } /* The following two convenience functions use a struct node_entry @@ -1893,7 +1877,7 @@ static void nodemgr_add_host(struct hpsb_host *host) return; } hi->host = host; - hi->thread = kthread_run(nodemgr_host_thread, hi, "knodemgrd_%d", + hi->thread = kthread_run(nodemgr_host_thread, host, "knodemgrd_%d", host->id); if (IS_ERR(hi->thread)) { HPSB_ERR("NodeMgr: cannot start thread for host %d", host->id); -- GitLab From fc392fe83176cefbab99f9d12e6e27395aa2b5d0 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Tue, 19 Aug 2008 21:30:17 +0200 Subject: [PATCH 5027/6244] ieee1394: survive a few seconds connection loss There are situations when nodes vanish from the bus and come back in quickly thereafter: - When certain bus-powered hubs are plugged in, - when certain disk enclosures are switched from self-power to bus power or vice versa and break the daisy chain during the transition, - when the user plugs a cable out and quickly plugs it back in, e.g. to reorder a daisy chain (works on Mac OS X if done quickly enough), - when certain hubs temporarily malfunction during high bus traffic. The ieee1394 driver's nodemgr already contained a function to set vanished nodes aside into "limbo"; i.e. they wouldn't actually be deleted right away. (In fact, only unloading the driver or writing into an obscure sysfs attribute would delete them eventually.) If nodes reappeared later, they would be resurrected out of limbo. Moving nodes into and out of limbo was accompanied with calling the .suspend() and .resume() driver methods of the drivers which were bound to a respective node's unit directories. Not only is this somewhat strange due to the intended use of these driver methods for power management, also the sbp2 driver in particular does not implement .suspend() and .resume(). Hence sbp2 would be disconnected from devices in situations as listed above. We now: - leave drivers bound when nodes go into limbo, - call the drivers' .update() when nodes come out of limbo, - automatically delete in-limbo nodes 3 seconds after the last bus reset and bus rescan. - Because of the automatic removal, the now obsolete bus attribute /sys/bus/ieee1394/destroy_node is removed. This especially lets sbp2 survive brief disconnections. You can for example yank a disk's cable and plug it back in while reading the respective disk with dd, but dd will happily continue as if nothing happened. Signed-off-by: Stefan Richter --- drivers/ieee1394/nodemgr.c | 147 +++++++++++++------------------------ drivers/ieee1394/nodemgr.h | 2 +- 2 files changed, 51 insertions(+), 98 deletions(-) diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index b9d3f46c2b06..2376b729e876 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -154,9 +154,6 @@ struct host_info { static int nodemgr_bus_match(struct device * dev, struct device_driver * drv); static int nodemgr_uevent(struct device *dev, struct kobj_uevent_env *env); -static void nodemgr_reactivate_ne(struct node_entry *ne); -static void nodemgr_remove_ne(struct node_entry *ne); -static struct node_entry *find_entry_by_guid(u64 guid); struct bus_type ieee1394_bus_type = { .name = "ieee1394", @@ -385,27 +382,6 @@ static ssize_t fw_get_ignore_driver(struct device *dev, struct device_attribute static DEVICE_ATTR(ignore_driver, S_IWUSR | S_IRUGO, fw_get_ignore_driver, fw_set_ignore_driver); -static ssize_t fw_set_destroy_node(struct bus_type *bus, const char *buf, size_t count) -{ - struct node_entry *ne; - u64 guid = (u64)simple_strtoull(buf, NULL, 16); - - ne = find_entry_by_guid(guid); - - if (ne == NULL || !ne->in_limbo) - return -EINVAL; - - nodemgr_remove_ne(ne); - - return count; -} -static ssize_t fw_get_destroy_node(struct bus_type *bus, char *buf) -{ - return sprintf(buf, "You can destroy in_limbo nodes by writing their GUID to this file\n"); -} -static BUS_ATTR(destroy_node, S_IWUSR | S_IRUGO, fw_get_destroy_node, fw_set_destroy_node); - - static ssize_t fw_set_rescan(struct bus_type *bus, const char *buf, size_t count) { @@ -442,7 +418,6 @@ static BUS_ATTR(ignore_drivers, S_IWUSR | S_IRUGO, fw_get_ignore_drivers, fw_set struct bus_attribute *const fw_bus_attrs[] = { - &bus_attr_destroy_node, &bus_attr_rescan, &bus_attr_ignore_drivers, NULL @@ -1300,14 +1275,19 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr, csr1212_destroy_csr(csr); } - if (ne->in_limbo) - nodemgr_reactivate_ne(ne); - /* Mark the node current */ ne->generation = generation; -} + if (ne->in_limbo) { + device_remove_file(&ne->device, &dev_attr_ne_in_limbo); + ne->in_limbo = false; + HPSB_DEBUG("Node reactivated: " + "ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", + NODE_BUS_ARGS(ne->host, ne->nodeid), + (unsigned long long)ne->guid); + } +} static void nodemgr_node_scan_one(struct hpsb_host *host, nodeid_t nodeid, int generation) @@ -1392,75 +1372,14 @@ static void nodemgr_node_scan(struct hpsb_host *host, int generation) } } -static int pause_ne(struct device *dev, void *data) -{ - struct unit_directory *ud; - struct device_driver *drv; - struct node_entry *ne = data; - int error; - - ud = container_of(dev, struct unit_directory, unit_dev); - if (ud->ne == ne) { - drv = get_driver(ud->device.driver); - if (drv) { - error = 1; /* release if suspend is not implemented */ - if (drv->suspend) { - down(&ud->device.sem); - error = drv->suspend(&ud->device, PMSG_SUSPEND); - up(&ud->device.sem); - } - if (error) - device_release_driver(&ud->device); - put_driver(drv); - } - } - - return 0; -} - static void nodemgr_pause_ne(struct node_entry *ne) { - HPSB_DEBUG("Node suspended: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", + HPSB_DEBUG("Node paused: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); - ne->in_limbo = 1; + ne->in_limbo = true; WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); - - class_for_each_device(&nodemgr_ud_class, NULL, ne, pause_ne); -} - -static int reactivate_ne(struct device *dev, void *data) -{ - struct unit_directory *ud; - struct device_driver *drv; - struct node_entry *ne = data; - - ud = container_of(dev, struct unit_directory, unit_dev); - if (ud->ne == ne) { - drv = get_driver(ud->device.driver); - if (drv) { - if (drv->resume) { - down(&ud->device.sem); - drv->resume(&ud->device); - up(&ud->device.sem); - } - put_driver(drv); - } - } - - return 0; -} - -static void nodemgr_reactivate_ne(struct node_entry *ne) -{ - ne->in_limbo = 0; - device_remove_file(&ne->device, &dev_attr_ne_in_limbo); - - class_for_each_device(&nodemgr_ud_class, NULL, ne, reactivate_ne); - HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", - NODE_BUS_ARGS(ne->host, ne->nodeid), - (unsigned long long)ne->guid); } static int update_pdrv(struct device *dev, void *data) @@ -1497,7 +1416,6 @@ static void nodemgr_update_pdrv(struct node_entry *ne) class_for_each_device(&nodemgr_ud_class, NULL, ne, update_pdrv); } - /* Write the BROADCAST_CHANNEL as per IEEE1394a 8.3.2.3.11 and 8.4.2.3. This * seems like an optional service but in the end it is practically mandatory * as a consequence of these clauses. @@ -1574,7 +1492,7 @@ static int node_probe(struct device *dev, void *data) return 0; } -static void nodemgr_node_probe(struct hpsb_host *host, int generation) +static int nodemgr_node_probe(struct hpsb_host *host, int generation) { struct node_probe_parameter p; @@ -1595,11 +1513,11 @@ static void nodemgr_node_probe(struct hpsb_host *host, int generation) */ p.probe_now = false; if (class_for_each_device(&nodemgr_ne_class, NULL, &p, node_probe) != 0) - return; + return 0; p.probe_now = true; if (class_for_each_device(&nodemgr_ne_class, NULL, &p, node_probe) != 0) - return; + return 0; /* * Now let's tell the bus to rescan our devices. This may seem * like overhead, but the driver-model core will only scan a @@ -1611,6 +1529,27 @@ static void nodemgr_node_probe(struct hpsb_host *host, int generation) */ if (bus_rescan_devices(&ieee1394_bus_type) != 0) HPSB_DEBUG("bus_rescan_devices had an error"); + + return 1; +} + +static int remove_nodes_in_limbo(struct device *dev, void *data) +{ + struct node_entry *ne; + + if (dev->bus != &ieee1394_bus_type) + return 0; + + ne = container_of(dev, struct node_entry, device); + if (ne->in_limbo) + nodemgr_remove_ne(ne); + + return 0; +} + +static void nodemgr_remove_nodes_in_limbo(struct hpsb_host *host) +{ + device_for_each_child(&host->device, NULL, remove_nodes_in_limbo); } static int nodemgr_send_resume_packet(struct hpsb_host *host) @@ -1781,10 +1720,24 @@ static int nodemgr_host_thread(void *data) /* This actually does the full probe, with sysfs * registration. */ - nodemgr_node_probe(host, generation); + if (!nodemgr_node_probe(host, generation)) + continue; /* Update some of our sysfs symlinks */ nodemgr_update_host_dev_links(host); + + /* Sleep 3 seconds */ + for (i = 3000/200; i; i--) { + msleep_interruptible(200); + if (kthread_should_stop()) + goto exit; + + if (generation != get_hpsb_generation(host)) + break; + } + /* Remove nodes which are gone, unless a bus reset happened */ + if (!i) + nodemgr_remove_nodes_in_limbo(host); } exit: HPSB_VERBOSE("NodeMgr: Exiting thread"); diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h index 6eb26465a84c..4f287a3561ba 100644 --- a/drivers/ieee1394/nodemgr.h +++ b/drivers/ieee1394/nodemgr.h @@ -110,7 +110,7 @@ struct node_entry { struct device node_dev; /* Means this node is not attached anymore */ - int in_limbo; + bool in_limbo; struct csr1212_csr *csr; }; -- GitLab From 1e119fa9950dfe0e6d97470098db776110ca47a9 Mon Sep 17 00:00:00 2001 From: Jay Fenlason Date: Sun, 20 Jul 2008 14:20:53 +0200 Subject: [PATCH 5028/6244] firewire: fw_send_request_sync() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Share code between fw_send_request + wait_for_completion callers. Signed-off-by: Jay Fenlason Addendum: Removes an unnecessary struct and an ununsed retry loop. Calls it fw_run_transaction() instead of fw_send_request_sync(). Signed-off-by: Stefan Richter Acked-by: Kristian Høgsberg --- drivers/firewire/fw-card.c | 56 ++++++++----------------------- drivers/firewire/fw-device.c | 37 ++++---------------- drivers/firewire/fw-sbp2.c | 46 +++++++------------------ drivers/firewire/fw-transaction.c | 48 +++++++++++++++++++++++--- drivers/firewire/fw-transaction.h | 9 +++-- 5 files changed, 82 insertions(+), 114 deletions(-) diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index bbd73a406e53..418c18f07e9d 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -189,39 +189,16 @@ static const char gap_count_table[] = { 63, 5, 7, 8, 10, 13, 16, 18, 21, 24, 26, 29, 32, 35, 37, 40 }; -struct bm_data { - struct fw_transaction t; - struct { - __be32 arg; - __be32 data; - } lock; - u32 old; - int rcode; - struct completion done; -}; - -static void -complete_bm_lock(struct fw_card *card, int rcode, - void *payload, size_t length, void *data) -{ - struct bm_data *bmd = data; - - if (rcode == RCODE_COMPLETE) - bmd->old = be32_to_cpu(*(__be32 *) payload); - bmd->rcode = rcode; - complete(&bmd->done); -} - static void fw_card_bm_work(struct work_struct *work) { struct fw_card *card = container_of(work, struct fw_card, work.work); struct fw_device *root_device; struct fw_node *root_node, *local_node; - struct bm_data bmd; unsigned long flags; - int root_id, new_root_id, irm_id, gap_count, generation, grace; + int root_id, new_root_id, irm_id, gap_count, generation, grace, rcode; bool do_reset = false; + __be32 lock_data[2]; spin_lock_irqsave(&card->lock, flags); local_node = card->local_node; @@ -263,33 +240,28 @@ fw_card_bm_work(struct work_struct *work) goto pick_me; } - bmd.lock.arg = cpu_to_be32(0x3f); - bmd.lock.data = cpu_to_be32(local_node->node_id); + lock_data[0] = cpu_to_be32(0x3f); + lock_data[1] = cpu_to_be32(local_node->node_id); spin_unlock_irqrestore(&card->lock, flags); - init_completion(&bmd.done); - fw_send_request(card, &bmd.t, TCODE_LOCK_COMPARE_SWAP, - irm_id, generation, - SCODE_100, CSR_REGISTER_BASE + CSR_BUS_MANAGER_ID, - &bmd.lock, sizeof(bmd.lock), - complete_bm_lock, &bmd); - wait_for_completion(&bmd.done); + rcode = fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP, + irm_id, generation, SCODE_100, + CSR_REGISTER_BASE + CSR_BUS_MANAGER_ID, + lock_data, sizeof(lock_data)); - if (bmd.rcode == RCODE_GENERATION) { - /* - * Another bus reset happened. Just return, - * the BM work has been rescheduled. - */ + if (rcode == RCODE_GENERATION) + /* Another bus reset, BM work has been rescheduled. */ goto out; - } - if (bmd.rcode == RCODE_COMPLETE && bmd.old != 0x3f) + if (rcode == RCODE_COMPLETE && + lock_data[0] != cpu_to_be32(0x3f)) /* Somebody else is BM, let them do the work. */ goto out; spin_lock_irqsave(&card->lock, flags); - if (bmd.rcode != RCODE_COMPLETE) { + + if (rcode != RCODE_COMPLETE) { /* * The lock request failed, maybe the IRM * isn't really IRM capable after all. Let's diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index 0855fb5568e8..3fccdd484100 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c @@ -381,46 +381,21 @@ static struct device_attribute fw_device_attributes[] = { __ATTR_NULL, }; -struct read_quadlet_callback_data { - struct completion done; - int rcode; - u32 data; -}; - -static void -complete_transaction(struct fw_card *card, int rcode, - void *payload, size_t length, void *data) -{ - struct read_quadlet_callback_data *callback_data = data; - - if (rcode == RCODE_COMPLETE) - callback_data->data = be32_to_cpu(*(__be32 *)payload); - callback_data->rcode = rcode; - complete(&callback_data->done); -} - static int read_rom(struct fw_device *device, int generation, int index, u32 *data) { - struct read_quadlet_callback_data callback_data; - struct fw_transaction t; - u64 offset; + int rcode; /* device->node_id, accessed below, must not be older than generation */ smp_rmb(); - init_completion(&callback_data.done); - - offset = (CSR_REGISTER_BASE | CSR_CONFIG_ROM) + index * 4; - fw_send_request(device->card, &t, TCODE_READ_QUADLET_REQUEST, + rcode = fw_run_transaction(device->card, TCODE_READ_QUADLET_REQUEST, device->node_id, generation, device->max_speed, - offset, NULL, 4, complete_transaction, &callback_data); - - wait_for_completion(&callback_data.done); - - *data = callback_data.data; + (CSR_REGISTER_BASE | CSR_CONFIG_ROM) + index * 4, + data, 4); + be32_to_cpus(data); - return callback_data.rcode; + return rcode; } #define READ_BIB_ROM_SIZE 256 diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index aaff50ebba1d..05997cee4f37 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -621,25 +621,15 @@ sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id, return retval; } -static void -complete_agent_reset_write(struct fw_card *card, int rcode, - void *payload, size_t length, void *done) -{ - complete(done); -} - static void sbp2_agent_reset(struct sbp2_logical_unit *lu) { struct fw_device *device = fw_device(lu->tgt->unit->device.parent); - DECLARE_COMPLETION_ONSTACK(done); - struct fw_transaction t; - static u32 z; + __be32 d = 0; - fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST, - lu->tgt->node_id, lu->generation, device->max_speed, - lu->command_block_agent_address + SBP2_AGENT_RESET, - &z, sizeof(z), complete_agent_reset_write, &done); - wait_for_completion(&done); + fw_run_transaction(device->card, TCODE_WRITE_QUADLET_REQUEST, + lu->tgt->node_id, lu->generation, device->max_speed, + lu->command_block_agent_address + SBP2_AGENT_RESET, + &d, sizeof(d)); } static void @@ -653,7 +643,7 @@ static void sbp2_agent_reset_no_wait(struct sbp2_logical_unit *lu) { struct fw_device *device = fw_device(lu->tgt->unit->device.parent); struct fw_transaction *t; - static u32 z; + static __be32 d; t = kmalloc(sizeof(*t), GFP_ATOMIC); if (t == NULL) @@ -662,7 +652,7 @@ static void sbp2_agent_reset_no_wait(struct sbp2_logical_unit *lu) fw_send_request(device->card, t, TCODE_WRITE_QUADLET_REQUEST, lu->tgt->node_id, lu->generation, device->max_speed, lu->command_block_agent_address + SBP2_AGENT_RESET, - &z, sizeof(z), complete_agent_reset_write_no_wait, t); + &d, sizeof(d), complete_agent_reset_write_no_wait, t); } static void sbp2_set_generation(struct sbp2_logical_unit *lu, int generation) @@ -823,13 +813,6 @@ static void sbp2_target_put(struct sbp2_target *tgt) kref_put(&tgt->kref, sbp2_release_target); } -static void -complete_set_busy_timeout(struct fw_card *card, int rcode, - void *payload, size_t length, void *done) -{ - complete(done); -} - /* * Write retransmit retry values into the BUSY_TIMEOUT register. * - The single-phase retry protocol is supported by all SBP-2 devices, but the @@ -849,17 +832,12 @@ complete_set_busy_timeout(struct fw_card *card, int rcode, static void sbp2_set_busy_timeout(struct sbp2_logical_unit *lu) { struct fw_device *device = fw_device(lu->tgt->unit->device.parent); - DECLARE_COMPLETION_ONSTACK(done); - struct fw_transaction t; - static __be32 busy_timeout; - - busy_timeout = cpu_to_be32(SBP2_CYCLE_LIMIT | SBP2_RETRY_LIMIT); + __be32 d = cpu_to_be32(SBP2_CYCLE_LIMIT | SBP2_RETRY_LIMIT); - fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST, - lu->tgt->node_id, lu->generation, device->max_speed, - CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, &busy_timeout, - sizeof(busy_timeout), complete_set_busy_timeout, &done); - wait_for_completion(&done); + fw_run_transaction(device->card, TCODE_WRITE_QUADLET_REQUEST, + lu->tgt->node_id, lu->generation, device->max_speed, + CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, + &d, sizeof(d)); } static void sbp2_reconnect(struct work_struct *work); diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index e5d1a0b64fcf..022ac4fabb67 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -247,7 +247,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel, */ void fw_send_request(struct fw_card *card, struct fw_transaction *t, - int tcode, int node_id, int generation, int speed, + int tcode, int destination_id, int generation, int speed, unsigned long long offset, void *payload, size_t length, fw_transaction_callback_t callback, void *callback_data) @@ -279,13 +279,14 @@ fw_send_request(struct fw_card *card, struct fw_transaction *t, card->current_tlabel = (card->current_tlabel + 1) & 0x1f; card->tlabel_mask |= (1 << tlabel); - t->node_id = node_id; + t->node_id = destination_id; t->tlabel = tlabel; t->callback = callback; t->callback_data = callback_data; - fw_fill_request(&t->packet, tcode, t->tlabel, node_id, card->node_id, - generation, speed, offset, payload, length); + fw_fill_request(&t->packet, tcode, t->tlabel, + destination_id, card->node_id, generation, + speed, offset, payload, length); t->packet.callback = transmit_complete_callback; list_add_tail(&t->link, &card->transaction_list); @@ -296,6 +297,45 @@ fw_send_request(struct fw_card *card, struct fw_transaction *t, } EXPORT_SYMBOL(fw_send_request); +struct transaction_callback_data { + struct completion done; + void *payload; + int rcode; +}; + +static void transaction_callback(struct fw_card *card, int rcode, + void *payload, size_t length, void *data) +{ + struct transaction_callback_data *d = data; + + if (rcode == RCODE_COMPLETE) + memcpy(d->payload, payload, length); + d->rcode = rcode; + complete(&d->done); +} + +/** + * fw_run_transaction - send request and sleep until transaction is completed + * + * Returns the RCODE. + */ +int fw_run_transaction(struct fw_card *card, int tcode, int destination_id, + int generation, int speed, unsigned long long offset, + void *data, size_t length) +{ + struct transaction_callback_data d; + struct fw_transaction t; + + init_completion(&d.done); + d.payload = data; + fw_send_request(card, &t, tcode, destination_id, generation, speed, + offset, data, length, transaction_callback, &d); + wait_for_completion(&d.done); + + return d.rcode; +} +EXPORT_SYMBOL(fw_run_transaction); + static DEFINE_MUTEX(phy_config_mutex); static DECLARE_COMPLETION(phy_config_done); diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index 2ae1b0d6cb7b..027f58ce81ad 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -426,11 +426,14 @@ fw_core_initiate_bus_reset(struct fw_card *card, int short_reset); void fw_send_request(struct fw_card *card, struct fw_transaction *t, - int tcode, int node_id, int generation, int speed, - unsigned long long offset, - void *data, size_t length, + int tcode, int destination_id, int generation, int speed, + unsigned long long offset, void *data, size_t length, fw_transaction_callback_t callback, void *callback_data); +int fw_run_transaction(struct fw_card *card, int tcode, int destination_id, + int generation, int speed, unsigned long long offset, + void *data, size_t length); + int fw_cancel_transaction(struct fw_card *card, struct fw_transaction *transaction); -- GitLab From 09b12dd4e3caff165a0f17a2f3ebd2bbc8544cc6 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Thu, 14 Aug 2008 21:47:21 +0200 Subject: [PATCH 5029/6244] firewire: fw-sbp2: enforce s/g segment size limit 1. We don't need to round the SBP-2 segment size limit down to a multiple of 4 kB (0xffff -> 0xf000). It is only necessary to ensure quadlet alignment (0xffff -> 0xfffc). 2. Use dma_set_max_seg_size() to tell the DMA mapping infrastructure and the block IO layer about the restriction. This way we can remove the size checks and segment splitting in the queuecommand path. This assumes that no other code in the firewire stack uses dma_map_sg() with conflicting requirements. It furthermore assumes that the controller device's platform actually allows us to set the segment size to our liking. Assert the latter with a BUG_ON(). 3. Also use blk_queue_max_segment_size() to tell the block IO layer about it. It cannot know it because our scsi_add_host() does not point to the FireWire controller's device. Thanks to Grant Grundler and FUJITA Tomonori for advice. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 63 ++++++++++++++++---------------------- 1 file changed, 27 insertions(+), 36 deletions(-) diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 05997cee4f37..5d8411afcedb 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -29,6 +29,7 @@ */ #include +#include #include #include #include @@ -181,10 +182,16 @@ struct sbp2_target { #define SBP2_MAX_LOGIN_ORB_TIMEOUT 40000U /* Timeout in ms */ #define SBP2_ORB_TIMEOUT 2000U /* Timeout in ms */ #define SBP2_ORB_NULL 0x80000000 -#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 #define SBP2_RETRY_LIMIT 0xf /* 15 retries */ #define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ +/* + * The default maximum s/g segment size of a FireWire controller is + * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to + * be quadlet-aligned, we set the length limit to 0xffff & ~3. + */ +#define SBP2_MAX_SEG_SIZE 0xfffc + /* Unit directory keys */ #define SBP2_CSR_UNIT_CHARACTERISTICS 0x3a #define SBP2_CSR_FIRMWARE_REVISION 0x3c @@ -1099,6 +1106,10 @@ static int sbp2_probe(struct device *dev) struct Scsi_Host *shost; u32 model, firmware_revision; + if (dma_get_max_seg_size(device->card->device) > SBP2_MAX_SEG_SIZE) + BUG_ON(dma_set_max_seg_size(device->card->device, + SBP2_MAX_SEG_SIZE)); + shost = scsi_host_alloc(&scsi_driver_template, sizeof(*tgt)); if (shost == NULL) return -ENOMEM; @@ -1347,14 +1358,12 @@ static int sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device, struct sbp2_logical_unit *lu) { - struct scatterlist *sg; - int sg_len, l, i, j, count; - dma_addr_t sg_addr; - - sg = scsi_sglist(orb->cmd); - count = dma_map_sg(device->card->device, sg, scsi_sg_count(orb->cmd), - orb->cmd->sc_data_direction); - if (count == 0) + struct scatterlist *sg = scsi_sglist(orb->cmd); + int i, n; + + n = dma_map_sg(device->card->device, sg, scsi_sg_count(orb->cmd), + orb->cmd->sc_data_direction); + if (n == 0) goto fail; /* @@ -1364,7 +1373,7 @@ sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device, * as the second generation iPod which doesn't support page * tables. */ - if (count == 1 && sg_dma_len(sg) < SBP2_MAX_SG_ELEMENT_LENGTH) { + if (n == 1) { orb->request.data_descriptor.high = cpu_to_be32(lu->tgt->address_high); orb->request.data_descriptor.low = @@ -1374,29 +1383,9 @@ sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device, return 0; } - /* - * Convert the scatterlist to an sbp2 page table. If any - * scatterlist entries are too big for sbp2, we split them as we - * go. Even if we ask the block I/O layer to not give us sg - * elements larger than 65535 bytes, some IOMMUs may merge sg elements - * during DMA mapping, and Linux currently doesn't prevent this. - */ - for (i = 0, j = 0; i < count; i++, sg = sg_next(sg)) { - sg_len = sg_dma_len(sg); - sg_addr = sg_dma_address(sg); - while (sg_len) { - /* FIXME: This won't get us out of the pinch. */ - if (unlikely(j >= ARRAY_SIZE(orb->page_table))) { - fw_error("page table overflow\n"); - goto fail_page_table; - } - l = min(sg_len, SBP2_MAX_SG_ELEMENT_LENGTH); - orb->page_table[j].low = cpu_to_be32(sg_addr); - orb->page_table[j].high = cpu_to_be32(l << 16); - sg_addr += l; - sg_len -= l; - j++; - } + for_each_sg(sg, sg, n, i) { + orb->page_table[i].high = cpu_to_be32(sg_dma_len(sg) << 16); + orb->page_table[i].low = cpu_to_be32(sg_dma_address(sg)); } orb->page_table_bus = @@ -1415,13 +1404,13 @@ sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device, orb->request.data_descriptor.high = cpu_to_be32(lu->tgt->address_high); orb->request.data_descriptor.low = cpu_to_be32(orb->page_table_bus); orb->request.misc |= cpu_to_be32(COMMAND_ORB_PAGE_TABLE_PRESENT | - COMMAND_ORB_DATA_SIZE(j)); + COMMAND_ORB_DATA_SIZE(n)); return 0; fail_page_table: - dma_unmap_sg(device->card->device, sg, scsi_sg_count(orb->cmd), - orb->cmd->sc_data_direction); + dma_unmap_sg(device->card->device, scsi_sglist(orb->cmd), + scsi_sg_count(orb->cmd), orb->cmd->sc_data_direction); fail: return -ENOMEM; } @@ -1542,6 +1531,8 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) if (lu->tgt->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS) blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512); + blk_queue_max_segment_size(sdev->request_queue, SBP2_MAX_SEG_SIZE); + return 0; } -- GitLab From 4bbc1bdd010cbfcb749e4f947161ec3ab3337893 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Sat, 9 Aug 2008 20:22:17 +0200 Subject: [PATCH 5030/6244] firewire: fw-sbp2: fix another small generation access bug queuecommand() looked at the remote and local node IDs before it read the bus generation. The corresponding race with sbp2_reconnect updating these data was probably impossible to happen though because the current code blocks the SCSI layer during reconnection. However, better safe than sorry, especially if someone later improves the code to not block the SCSI layer. Signed-off-by: Stefan Richter --- drivers/firewire/fw-sbp2.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index 5d8411afcedb..ef0b9b419c27 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -1423,7 +1423,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) struct fw_device *device = fw_device(lu->tgt->unit->device.parent); struct sbp2_command_orb *orb; unsigned int max_payload; - int retval = SCSI_MLQUEUE_HOST_BUSY; + int generation, retval = SCSI_MLQUEUE_HOST_BUSY; /* * Bidirectional commands are not yet implemented, and unknown @@ -1467,6 +1467,9 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) if (cmd->sc_data_direction == DMA_FROM_DEVICE) orb->request.misc |= cpu_to_be32(COMMAND_ORB_DIRECTION); + generation = device->generation; + smp_rmb(); /* sbp2_map_scatterlist looks at tgt->address_high */ + if (scsi_sg_count(cmd) && sbp2_map_scatterlist(orb, device, lu) < 0) goto out; @@ -1479,7 +1482,7 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) if (dma_mapping_error(device->card->device, orb->base.request_bus)) goto out; - sbp2_send_orb(&orb->base, lu, lu->tgt->node_id, lu->generation, + sbp2_send_orb(&orb->base, lu, lu->tgt->node_id, generation, lu->command_block_agent_address + SBP2_ORB_POINTER); retval = 0; out: -- GitLab From 7a1003449c693f0d57443c8786bbf19717921ae0 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 12 Sep 2008 18:09:55 +0200 Subject: [PATCH 5031/6244] firewire: fix setting tag and sy in iso transmission Reported by Jay Fenlason: The iso packet control accessors in fw-cdev.c had bogus masks. Signed-off-by: Stefan Richter --- drivers/firewire/fw-cdev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 2e6d5848d217..cfceb2cba4e4 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -720,8 +720,8 @@ static int ioctl_create_iso_context(struct client *client, void *buffer) #define GET_PAYLOAD_LENGTH(v) ((v) & 0xffff) #define GET_INTERRUPT(v) (((v) >> 16) & 0x01) #define GET_SKIP(v) (((v) >> 17) & 0x01) -#define GET_TAG(v) (((v) >> 18) & 0x02) -#define GET_SY(v) (((v) >> 20) & 0x04) +#define GET_TAG(v) (((v) >> 18) & 0x03) +#define GET_SY(v) (((v) >> 20) & 0x0f) #define GET_HEADER_LENGTH(v) (((v) >> 24) & 0xff) static int ioctl_queue_iso(struct client *client, void *buffer) -- GitLab From 99692f71ee04c6f249d0bf6a581359f32f409a38 Mon Sep 17 00:00:00 2001 From: Stefan Richter Date: Fri, 12 Sep 2008 18:20:16 +0200 Subject: [PATCH 5032/6244] firewire: fix ioctl() return code Reported by Jay Fenlason: ioctl() did not return as intended - the size of data read into ioctl_send_request, - the number of datagrams enqueued by ioctl_queue_iso. Signed-off-by: Stefan Richter --- drivers/firewire/fw-cdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index cfceb2cba4e4..ed03234cbea8 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -913,7 +913,7 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg) return -EFAULT; } - return 0; + return retval; } static long -- GitLab From be585c07dd577faac26014db4246e6d7c7a131e7 Mon Sep 17 00:00:00 2001 From: Jay Fenlason Date: Wed, 1 Oct 2008 18:13:20 -0400 Subject: [PATCH 5033/6244] firewire: Add more documentation to firewire-cdev.h Signed-off-by: Jay Fenlason Signed-off-by: Stefan Richter --- include/linux/firewire-cdev.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index 0f0e271f97fa..4d078e99c017 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -154,8 +154,13 @@ struct fw_cdev_event_iso_interrupt { * @request: Valid if @common.type == %FW_CDEV_EVENT_REQUEST * @iso_interrupt: Valid if @common.type == %FW_CDEV_EVENT_ISO_INTERRUPT * - * Convenience union for userspace use. Events could be read(2) into a char - * buffer and then cast to this union for further processing. + * Convenience union for userspace use. Events could be read(2) into an + * appropriately aligned char buffer and then cast to this union for further + * processing. Note that for a request, response or iso_interrupt event, + * the data[] or header[] may make the size of the full event larger than + * sizeof(union fw_cdev_event). Also note that if you attempt to read(2) + * an event into a buffer that is not large enough for it, the data that does + * not fit will be discarded so that the next read(2) will return a new event. */ union fw_cdev_event { struct fw_cdev_event_common common; -- GitLab From 22441cfa0c70dcd457f3c081fcf285c3bd155824 Mon Sep 17 00:00:00 2001 From: Pedro Ribeiro Date: Wed, 15 Oct 2008 15:47:49 -0700 Subject: [PATCH 5034/6244] IPV6: Fix default gateway criteria wrt. HIGH/LOW preference radv option Problem observed: In IPv6, in the presence of multiple routers candidates to default gateway in one segment, each sending a different value of preference, the Linux hosts connected to the segment weren't selecting the right one in all the combinations possible of LOW/MEDIUM/HIGH preference. This patch changes two files: include/linux/icmpv6.h Get the "router_pref" bitfield in the right place (as RFC4191 says), named the bit left with this fix as "home_agent" (RFC3775 say that's his function) net/ipv6/ndisc.c Corrects the binary logic behind the updating of the router preference in the flags of the routing table Result: With this two fixes applied, the default route used by the system was to consistent with the rules mentioned in RFC4191 in case of changes in the value of preference in router advertisements Signed-off-by: Pedro Ribeiro Acked-by: YOSHIFUJI Hideaki Signed-off-by: David S. Miller --- include/linux/icmpv6.h | 6 ++++-- net/ipv6/ndisc.c | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h index 03067443198a..a93a8dd33118 100644 --- a/include/linux/icmpv6.h +++ b/include/linux/icmpv6.h @@ -40,16 +40,18 @@ struct icmp6hdr { struct icmpv6_nd_ra { __u8 hop_limit; #if defined(__LITTLE_ENDIAN_BITFIELD) - __u8 reserved:4, + __u8 reserved:3, router_pref:2, + home_agent:1, other:1, managed:1; #elif defined(__BIG_ENDIAN_BITFIELD) __u8 managed:1, other:1, + home_agent:1, router_pref:2, - reserved:4; + reserved:3; #else #error "Please fix " #endif diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 840b15780a36..aae7ddcc8a2e 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1199,7 +1199,7 @@ static void ndisc_router_discovery(struct sk_buff *skb) } neigh->flags |= NTF_ROUTER; } else if (rt) { - rt->rt6i_flags |= (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref); + rt->rt6i_flags = (rt->rt6i_flags & ~RTF_PREF_MASK) | RTF_PREF(pref); } if (rt) -- GitLab From 8fa0b315fc0c1a414da1371f1fc39523a657c192 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 15 Oct 2008 15:59:50 -0700 Subject: [PATCH 5035/6244] decnet: Fix compiler warning in dn_dev.c Use offsetof() instead of home-brewed version. Based upon initial patch by Steven Whitehouse and suggestions by Ben Hutchings. Signed-off-by: David S. Miller --- net/decnet/dn_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 2f0ac3c3eb71..ba352588e344 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -152,7 +152,7 @@ static struct dn_dev_parms dn_dev_list[] = { #define DN_DEV_LIST_SIZE ARRAY_SIZE(dn_dev_list) -#define DN_DEV_PARMS_OFFSET(x) ((int) ((char *) &((struct dn_dev_parms *)0)->x)) +#define DN_DEV_PARMS_OFFSET(x) offsetof(struct dn_dev_parms, x) #ifdef CONFIG_SYSCTL -- GitLab From b36299bcc0feae4c1bcff6a1561b8beb635e9c80 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Thu, 16 Oct 2008 01:18:54 +0200 Subject: [PATCH 5036/6244] HID: fix default building of HID-quirk drivers Commit 9be7bbd54df3c9c393ccd19acc49f90c517d1291 (HID: build drivers for all quirky devices by default) made a wrong assumption about select/depends interaction in Kconfig, resulting in possibility of link failure with certain configuration options. Fix this by explicitly having all the quirk-drivers depend on USB_HID, default to y and make the possibility to alter the settings dependent on EBMEDDED. Reported-by: Adrian Bunk Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 91 ++++++++++++++++++--------------------------- 1 file changed, 36 insertions(+), 55 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index da64108de775..d044df5e3bc2 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -17,25 +17,6 @@ config HID tristate "Generic HID support" depends on INPUT default y - select HID_A4TECH if !EMBEDDED - select HID_APPLE if !EMBEDDED - select HID_BELKIN if !EMBEDDED - select HID_BRIGHT if !EMBEDDED - select HID_CHERRY if !EMBEDDED - select HID_CHICONY if !EMBEDDED - select HID_CYPRESS if !EMBEDDED - select HID_DELL if !EMBEDDED - select HID_EZKEY if !EMBEDDED - select HID_GYRATION if !EMBEDDED - select HID_LOGITECH if !EMBEDDED - select HID_MICROSOFT if !EMBEDDED - select HID_MONTEREY if !EMBEDDED - select HID_PANTHERLORD if !EMBEDDED - select HID_PETALYNX if !EMBEDDED - select HID_SAMSUNG if !EMBEDDED - select HID_SONY if !EMBEDDED - select HID_SUNPLUS if !EMBEDDED - ---help--- A human interface device (HID) is a type of computer device that interacts directly with and takes input from humans. The term "HID" @@ -102,16 +83,16 @@ config HID_COMPAT If unsure, say Y. config HID_A4TECH - tristate "A4 tech" - default m + tristate "A4 tech" if EMBEDDED depends on USB_HID + default y ---help--- Support for A4 tech X5 and WOP-35 / Trust 450L mice. config HID_APPLE - tristate "Apple" - default m + tristate "Apple" if EMBEDDED depends on (USB_HID || BT_HIDP) + default y ---help--- Support for some Apple devices which less or more break HID specification. @@ -123,65 +104,65 @@ config HID_APPLE If unsure, say M. config HID_BELKIN - tristate "Belkin" - default m + tristate "Belkin" if EMBEDDED depends on USB_HID + default y ---help--- Support for Belkin Flip KVM and Wireless keyboard. config HID_BRIGHT - tristate "Bright" - default m + tristate "Bright" if EMBEDDED depends on USB_HID + default y ---help--- Support for Bright ABNT-2 keyboard. config HID_CHERRY - tristate "Cherry" - default m + tristate "Cherry" if EMBEDDED depends on USB_HID + default y ---help--- Support for Cherry Cymotion. config HID_CHICONY - tristate "Chicony" - default m + tristate "Chicony" if EMBEDDED depends on USB_HID + default y ---help--- Support for Chicony Tactical pad. config HID_CYPRESS - tristate "Cypress" - default m + tristate "Cypress" if EMBEDDED depends on USB_HID + default y ---help--- Support for Cypress mouse and barcodes. config HID_DELL - tristate "Dell" - default m + tristate "Dell" if EMBEDDED depends on USB_HID + default y ---help--- Support for Dell W7658. config HID_EZKEY - tristate "Ezkey" - default m + tristate "Ezkey" if EMBEDDED depends on USB_HID + default y ---help--- Support for Ezkey mouse and barcodes. config HID_GYRATION - tristate "Gyration" - default m + tristate "Gyration" if EMBEDDED depends on USB_HID + default y ---help--- Support for Gyration remote. config HID_LOGITECH - tristate "Logitech" - default m + tristate "Logitech" if EMBEDDED depends on USB_HID + default y ---help--- Support for some Logitech devices which breaks less or more HID specification. @@ -211,24 +192,24 @@ config LOGIRUMBLEPAD2_FF Rumblepad 2 devices. config HID_MICROSOFT - tristate "Microsoft" - default m + tristate "Microsoft" if EMBEDDED depends on USB_HID + default y ---help--- Support for some Microsoft devices which breaks less or more HID specification. config HID_MONTEREY - tristate "Monterey" - default m + tristate "Monterey" if EMBEDDED depends on USB_HID + default y ---help--- Support for Monterey Genius KB29E. config HID_PANTHERLORD - tristate "Pantherlord devices support" - default m + tristate "Pantherlord devices support" if EMBEDDED depends on USB_HID + default y ---help--- Support for PantherLord/GreenAsia based device support. @@ -242,30 +223,30 @@ config PANTHERLORD_FF or adapter and want to enable force feedback support for it. config HID_PETALYNX - tristate "Petalynx" - default m + tristate "Petalynx" if EMBEDDED depends on USB_HID + default y ---help--- Support for Petalynx Maxter remote. config HID_SAMSUNG - tristate "Samsung" - default m + tristate "Samsung" if EMBEDDED depends on USB_HID + default y ---help--- Support for Samsung IR remote. config HID_SONY - tristate "Sony" - default m + tristate "Sony" if EMBEDDED depends on USB_HID + default y ---help--- Support for Sony PS3 controller. config HID_SUNPLUS - tristate "Sunplus" - default m + tristate "Sunplus" if EMBEDDED depends on USB_HID + default y ---help--- Support for Sunplus WDesktop input device. -- GitLab From f0bd8e43265b7f25b8a0ffeda714cc8a35b456cc Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Thu, 16 Oct 2008 01:25:15 +0200 Subject: [PATCH 5037/6244] HID: fix/improve help texts for quirk drivers Update the help texts for the HID-quirk drivers, so that they are a little bit more descriptive. Also make some obsolete help descriptions up to date. Signed-off-by: Jiri Kosina --- drivers/hid/Kconfig | 31 +++++++++++++------------------ 1 file changed, 13 insertions(+), 18 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index d044df5e3bc2..f5999a91614e 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -97,11 +97,8 @@ config HID_APPLE Support for some Apple devices which less or more break HID specification. - Say Y here if you want support for the special keys (Fn, Numlock) on - Apple iBooks, PowerBooks, MacBooks, MacBook Pros and aluminum USB - keyboards. - - If unsure, say M. + Say Y here if you want support for keyboards of Apple iBooks, PowerBooks, + MacBooks, MacBook Pros and Apple Aluminum. config HID_BELKIN tristate "Belkin" if EMBEDDED @@ -122,7 +119,7 @@ config HID_CHERRY depends on USB_HID default y ---help--- - Support for Cherry Cymotion. + Support for Cherry Cymotion keyboard. config HID_CHICONY tristate "Chicony" if EMBEDDED @@ -136,36 +133,36 @@ config HID_CYPRESS depends on USB_HID default y ---help--- - Support for Cypress mouse and barcodes. + Support for cypress mouse and barcode readers. config HID_DELL tristate "Dell" if EMBEDDED depends on USB_HID default y ---help--- - Support for Dell W7658. + Support for quirky Dell HID hardware that require + special LED handling (W7658 and SK8115 models) config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID default y ---help--- - Support for Ezkey mouse and barcodes. + Support for Ezkey BTC 8193 keyboard. config HID_GYRATION tristate "Gyration" if EMBEDDED depends on USB_HID default y ---help--- - Support for Gyration remote. + Support for Gyration remote control. config HID_LOGITECH tristate "Logitech" if EMBEDDED depends on USB_HID default y ---help--- - Support for some Logitech devices which breaks less or more - HID specification. + Support for Logitech devices that are not fully compliant with HID standard. config LOGITECH_FF bool "Logitech force feedback" @@ -196,8 +193,7 @@ config HID_MICROSOFT depends on USB_HID default y ---help--- - Support for some Microsoft devices which breaks less or more - HID specification. + Support for Microsoft devices that are not fully compliant with HID standard. config HID_MONTEREY tristate "Monterey" if EMBEDDED @@ -213,7 +209,6 @@ config HID_PANTHERLORD ---help--- Support for PantherLord/GreenAsia based device support. - config PANTHERLORD_FF bool "Pantherlord force feedback support" depends on HID_PANTHERLORD @@ -227,14 +222,14 @@ config HID_PETALYNX depends on USB_HID default y ---help--- - Support for Petalynx Maxter remote. + Support for Petalynx Maxter remote control. config HID_SAMSUNG tristate "Samsung" if EMBEDDED depends on USB_HID default y ---help--- - Support for Samsung IR remote. + Support for Samsung InfraRed remote control. config HID_SONY tristate "Sony" if EMBEDDED @@ -248,7 +243,7 @@ config HID_SUNPLUS depends on USB_HID default y ---help--- - Support for Sunplus WDesktop input device. + Support for Sunplus wireless desktop. config THRUSTMASTER_FF tristate "ThrustMaster devices support" -- GitLab From 24c88eb671b437d700fbfa7aa79adeb9690db1eb Mon Sep 17 00:00:00 2001 From: Jarod Wilson Date: Thu, 16 Oct 2008 01:26:43 +0200 Subject: [PATCH 5038/6244] HID: blacklist additional SoundGraph iMon LCD models hid_ignore_list additions for more SoundGraph iMon LCD devices Signed-off-by: Jarod Wilson Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 2 ++ drivers/hid/hid-ids.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8a7d9dbb4d07..721a36d97582 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1518,6 +1518,8 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY1) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index aad9ed1b406e..d9a1ba920c23 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -354,6 +354,8 @@ #define USB_VENDOR_ID_SOUNDGRAPH 0x15c2 #define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD 0x0038 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2 0x0036 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3 0x0034 #define USB_VENDOR_ID_SUN 0x0430 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab -- GitLab From 459fc208abd1b365fa013c17d433dfb5b4bc1e3a Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Thu, 16 Oct 2008 00:11:04 +0200 Subject: [PATCH 5039/6244] cpufreq: remove policy->governor setting in drivers initialization As policy->governor is already set to CPUFREQ_DEFAULT_GOVERNOR in the (always built-in) cpufreq core, we do not need to set it in the drivers. This fixes the sparc64 allmodconfig build failure. Also, remove a totally useles setting of ->policy in cpufreq-pxa3xx.c. Signed-off-by: Dominik Brodowski Acked-by: David S. Miller Signed-off-by: Linus Torvalds --- arch/arm/mach-integrator/cpu.c | 1 - arch/arm/mach-pxa/cpufreq-pxa2xx.c | 3 --- arch/arm/mach-pxa/cpufreq-pxa3xx.c | 1 - arch/arm/mach-sa1100/cpu-sa1100.c | 1 - arch/avr32/mach-at32ap/cpufreq.c | 1 - arch/blackfin/mach-common/cpufreq.c | 2 -- arch/cris/arch-v32/mach-a3/cpufreq.c | 1 - arch/cris/arch-v32/mach-fs/cpufreq.c | 1 - arch/sparc64/kernel/us3_cpufreq.c | 1 - 9 files changed, 12 deletions(-) diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c index e4f72d202cc0..44d4c2e8207b 100644 --- a/arch/arm/mach-integrator/cpu.c +++ b/arch/arm/mach-integrator/cpu.c @@ -184,7 +184,6 @@ static int integrator_cpufreq_init(struct cpufreq_policy *policy) { /* set default policy and cpuinfo */ - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.max_freq = 160000; policy->cpuinfo.min_freq = 12000; policy->cpuinfo.transition_latency = 1000000; /* 1 ms, assumed */ diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index d82528e74bd0..1f272ea83f36 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -335,9 +335,6 @@ static __init int pxa_cpufreq_init(struct cpufreq_policy *policy) pxa27x_guess_max_freq(); /* set default policy and cpuinfo */ - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; - if (cpu_is_pxa25x()) - policy->policy = CPUFREQ_POLICY_PERFORMANCE; policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */ policy->cur = get_clk_frequency_khz(0); /* current freq */ policy->min = policy->max = policy->cur; diff --git a/arch/arm/mach-pxa/cpufreq-pxa3xx.c b/arch/arm/mach-pxa/cpufreq-pxa3xx.c index 1ea0c9c0adaf..968c8309ec37 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa3xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa3xx.c @@ -210,7 +210,6 @@ static __init int pxa3xx_cpufreq_init(struct cpufreq_policy *policy) int ret = -EINVAL; /* set default policy and cpuinfo */ - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.min_freq = 104000; policy->cpuinfo.max_freq = (cpu_is_pxa320()) ? 806000 : 624000; policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */ diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c index f7fa03478efd..244d5956312c 100644 --- a/arch/arm/mach-sa1100/cpu-sa1100.c +++ b/arch/arm/mach-sa1100/cpu-sa1100.c @@ -224,7 +224,6 @@ static int __init sa1100_cpu_init(struct cpufreq_policy *policy) if (policy->cpu != 0) return -EINVAL; policy->cur = policy->min = policy->max = sa11x0_getspeed(0); - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.min_freq = 59000; policy->cpuinfo.max_freq = 287000; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c index 5dd8d25428bf..d84efe4984ab 100644 --- a/arch/avr32/mach-at32ap/cpufreq.c +++ b/arch/avr32/mach-at32ap/cpufreq.c @@ -87,7 +87,6 @@ static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy) policy->cur = at32_get_speed(0); policy->min = policy->cpuinfo.min_freq; policy->max = policy->cpuinfo.max_freq; - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; printk("cpufreq: AT32AP CPU frequency driver\n"); diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c index 75cdad291e88..c22c47b60127 100644 --- a/arch/blackfin/mach-common/cpufreq.c +++ b/arch/blackfin/mach-common/cpufreq.c @@ -158,8 +158,6 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy) dpm_state_table[index].tscale); } - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; - policy->cpuinfo.transition_latency = (bfin_read_PLL_LOCKCNT() / (sclk / 1000000)) * 1000; /*Now ,only support one cpu */ policy->cur = cclk; diff --git a/arch/cris/arch-v32/mach-a3/cpufreq.c b/arch/cris/arch-v32/mach-a3/cpufreq.c index 8e5a3cab8ad7..ee391ecb5bc9 100644 --- a/arch/cris/arch-v32/mach-a3/cpufreq.c +++ b/arch/cris/arch-v32/mach-a3/cpufreq.c @@ -85,7 +85,6 @@ static int cris_freq_cpu_init(struct cpufreq_policy *policy) int result; /* cpuinfo and default policy values */ - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.transition_latency = 1000000; /* 1ms */ policy->cur = cris_freq_get_cpu_frequency(0); diff --git a/arch/cris/arch-v32/mach-fs/cpufreq.c b/arch/cris/arch-v32/mach-fs/cpufreq.c index d57631c0d8d1..58bd71e5bda9 100644 --- a/arch/cris/arch-v32/mach-fs/cpufreq.c +++ b/arch/cris/arch-v32/mach-fs/cpufreq.c @@ -81,7 +81,6 @@ static int cris_freq_cpu_init(struct cpufreq_policy *policy) int result; /* cpuinfo and default policy values */ - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.transition_latency = 1000000; /* 1ms */ policy->cur = cris_freq_get_cpu_frequency(0); diff --git a/arch/sparc64/kernel/us3_cpufreq.c b/arch/sparc64/kernel/us3_cpufreq.c index 47e3acafb5be..365b6464e2ce 100644 --- a/arch/sparc64/kernel/us3_cpufreq.c +++ b/arch/sparc64/kernel/us3_cpufreq.c @@ -183,7 +183,6 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy) table[3].index = 0; table[3].frequency = CPUFREQ_TABLE_END; - policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.transition_latency = 0; policy->cur = clock_tick; -- GitLab From 08ff39f1c8f2134f7d0f38123ca5952371665cc5 Mon Sep 17 00:00:00 2001 From: Sven Wegener Date: Thu, 16 Oct 2008 14:16:53 +1100 Subject: [PATCH 5040/6244] md: check for memory allocation failure in faulty personality It's a fault injection module, but I don't think we should oops here. Signed-off-by: Sven Wegener Signed-off-by: Andrew Morton Signed-off-by: Neil Brown --- drivers/md/faulty.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 268547dbfbd3..f26c1f9a475b 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -287,6 +287,8 @@ static int run(mddev_t *mddev) int i; conf_t *conf = kmalloc(sizeof(*conf), GFP_KERNEL); + if (!conf) + return -ENOMEM; for (i=0; icounters[i], 0); -- GitLab From 82e14a6215cbc9804ecc35281e973c6c8ce22fe7 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 14 Oct 2008 11:28:58 -0700 Subject: [PATCH 5041/6244] agp: Fix stolen memory counting on G4X. On the GM45, the amount of stolen memory mapped to the GTT was underestimated, even though we had 508KB more available since the GTT doesn't take from stolen memory. On the non-GM45 G4X, we overestimated how much stolen was mapped to the GTT by 4KB, resulting in GPU page faults when that page was accessed. This update requires a corresponding update to xf86-video-intel to work correctly. Signed-off-by: Eric Anholt Signed-off-by: Dave Airlie --- drivers/char/agp/intel-agp.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 016fdf0623a4..f1fe74901314 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -54,8 +54,7 @@ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB) #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ @@ -63,7 +62,8 @@ #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB) extern int agp_memory_reserved; @@ -525,8 +525,10 @@ static void intel_i830_init_gtt_entries(void) size += 4; } else if (IS_G4X) { /* On 4 series hardware, GTT stolen is separate from graphics - * stolen, ignore it in stolen gtt entries counting */ - size = 0; + * stolen, ignore it in stolen gtt entries counting. However, + * 4KB of the stolen memory doesn't get mapped to the GTT. + */ + size = 4; } else { /* On previous hardware, the GTT size was just what was * required to map the aperture. -- GitLab From 44d494417278e49f5b42bd3ded1801b6d2254db8 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Tue, 14 Oct 2008 17:18:45 -0700 Subject: [PATCH 5042/6244] agp/intel: Reduce extraneous PCI posting reads during init Instead of doing a posting read after each GTT entry update, do a single one at the end of the writes. This should reduce boot time a tiny amount by avoiding a lot of extra uncached reads. Signed-off-by: Keith Packard Signed-off-by: Eric Anholt Signed-off-by: Dave Airlie --- drivers/char/agp/intel-agp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index f1fe74901314..81f094244471 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -214,8 +214,8 @@ static int intel_i810_configure(void) if (agp_bridge->driver->needs_scratch_page) { for (i = 0; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); - readl(intel_private.registers+I810_PTE_BASE+(i*4)); /* PCI posting. */ } + readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ } global_cache_flush(); return 0; @@ -775,8 +775,8 @@ static int intel_i830_configure(void) if (agp_bridge->driver->needs_scratch_page) { for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); - readl(intel_private.registers+I810_PTE_BASE+(i*4)); /* PCI Posting. */ } + readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ } global_cache_flush(); @@ -991,8 +991,8 @@ static int intel_i915_configure(void) if (agp_bridge->driver->needs_scratch_page) { for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { writel(agp_bridge->scratch_page, intel_private.gtt+i); - readl(intel_private.gtt+i); /* PCI Posting. */ } + readl(intel_private.gtt+i-1); /* PCI Posting. */ } global_cache_flush(); -- GitLab From 2a32c3c894bcd3b3f8cc7e23f5ecbebca4a9f8e8 Mon Sep 17 00:00:00 2001 From: Stuart Bennett Date: Tue, 12 Aug 2008 15:19:18 +0100 Subject: [PATCH 5043/6244] agp/amd-k7: Suspend support for AMD K7 GART driver Reinitialize bridge registers after suspend, but avoid repeating the ioremap Tested and works on AMD761 Signed-off-by: Stuart Bennett Signed-off-by: Dave Airlie --- drivers/char/agp/amd-k7-agp.c | 38 +++++++++++++++++++++++++++++------ 1 file changed, 32 insertions(+), 6 deletions(-) diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index e280531843be..c9e3310a7d9d 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -223,12 +223,14 @@ static int amd_irongate_configure(void) current_size = A_SIZE_LVL2(agp_bridge->current_size); - /* Get the memory mapped registers */ - pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp); - temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); - amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); - if (!amd_irongate_private.registers) - return -ENOMEM; + if (!amd_irongate_private.registers) { + /* Get the memory mapped registers */ + pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp); + temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); + amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); + if (!amd_irongate_private.registers) + return -ENOMEM; + } /* Write out the address of the gatt table */ writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE); @@ -490,6 +492,26 @@ static void __devexit agp_amdk7_remove(struct pci_dev *pdev) agp_put_bridge(bridge); } +#ifdef CONFIG_PM + +static int agp_amdk7_suspend(struct pci_dev *pdev, pm_message_t state) +{ + pci_save_state(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int agp_amdk7_resume(struct pci_dev *pdev) +{ + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + return amd_irongate_driver.configure(); +} + +#endif /* CONFIG_PM */ + /* must be the same order as name table above */ static struct pci_device_id agp_amdk7_pci_table[] = { { @@ -526,6 +548,10 @@ static struct pci_driver agp_amdk7_pci_driver = { .id_table = agp_amdk7_pci_table, .probe = agp_amdk7_probe, .remove = agp_amdk7_remove, +#ifdef CONFIG_PM + .suspend = agp_amdk7_suspend, + .resume = agp_amdk7_resume, +#endif }; static int __init agp_amdk7_init(void) -- GitLab From ec4e86ba0662ed85f3b3a38fb220dc51d951da84 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 16 Oct 2008 08:02:41 +0200 Subject: [PATCH 5044/6244] ALSA: hda - Fix PCM type of Nvidia HDMI devices Added the missing PCM type for Nvidia HDMI devices so that they point the right device number. Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_nvhdmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c index 1a65775d28e1..2eed2c8b98da 100644 --- a/sound/pci/hda/patch_nvhdmi.c +++ b/sound/pci/hda/patch_nvhdmi.c @@ -116,6 +116,7 @@ static int nvhdmi_build_pcms(struct hda_codec *codec) codec->pcm_info = info; info->name = "NVIDIA HDMI"; + info->pcm_type = HDA_PCM_TYPE_HDMI; info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback; return 0; -- GitLab From 97ce0a7f9caf9d715cee815a016ee21575f71c95 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Wed, 24 Sep 2008 22:48:19 -0700 Subject: [PATCH 5045/6244] md: fix input truncation in safe_delay_store() safe_delay_store() currently truncates the last character of input since it tells strlcpy that the buffer can only hold 'len' characters, off by one. sysfs already null terminates the buffer, so just increase the last argument to strlcpy. Signed-off-by: Dan Williams Signed-off-by: NeilBrown --- drivers/md/md.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 39c9c87a1342..aaa3d465de4e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2394,12 +2394,11 @@ safe_delay_store(mddev_t *mddev, const char *cbuf, size_t len) int i; unsigned long msec; char buf[30]; - char *e; + /* remove a period, and count digits after it */ if (len >= sizeof(buf)) return -EINVAL; - strlcpy(buf, cbuf, len); - buf[len] = 0; + strlcpy(buf, cbuf, sizeof(buf)); for (i=0; i Date: Wed, 10 Sep 2008 14:13:33 +0200 Subject: [PATCH 5046/6244] agp/nvidia: Support agp user-memory on nvidia agp. This adds user memory support required for TTM to the nvidia AGP driver. Signed-off-by: Dave Airlie --- drivers/char/agp/nvidia-agp.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index eaceb61ba2dc..0cc1c5baced5 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -201,10 +201,15 @@ extern int agp_memory_reserved; static int nvidia_insert_memory(struct agp_memory *mem, off_t pg_start, int type) { int i, j; + int mask_type; - if ((type != 0) || (mem->type != 0)) + mask_type = agp_generic_type_to_mask_type(mem->bridge, type); + if (mask_type != 0 || type != mem->type) return -EINVAL; + if (mem->page_count == 0) + return 0; + if ((pg_start + mem->page_count) > (nvidia_private.num_active_entries - agp_memory_reserved/PAGE_SIZE)) return -EINVAL; @@ -220,10 +225,13 @@ static int nvidia_insert_memory(struct agp_memory *mem, off_t pg_start, int type } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { writel(agp_bridge->driver->mask_memory(agp_bridge, - mem->memory[i], mem->type), + mem->memory[i], mask_type), agp_bridge->gatt_table+nvidia_private.pg_offset+j); - readl(agp_bridge->gatt_table+nvidia_private.pg_offset+j); /* PCI Posting. */ } + + /* PCI Posting. */ + readl(agp_bridge->gatt_table+nvidia_private.pg_offset+j - 1); + agp_bridge->driver->tlb_flush(mem); return 0; } @@ -233,9 +241,15 @@ static int nvidia_remove_memory(struct agp_memory *mem, off_t pg_start, int type { int i; - if ((type != 0) || (mem->type != 0)) + int mask_type; + + mask_type = agp_generic_type_to_mask_type(mem->bridge, type); + if (mask_type != 0 || type != mem->type) return -EINVAL; + if (mem->page_count == 0) + return 0; + for (i = pg_start; i < (mem->page_count + pg_start); i++) writel(agp_bridge->scratch_page, agp_bridge->gatt_table+nvidia_private.pg_offset+i); -- GitLab From 9a3f371e9962749e5bdcf45a3bebdba555651a2b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 15 Oct 2008 17:07:47 +0100 Subject: [PATCH 5047/6244] ALSA: Handle NULL jacks in snd_jack_report() Facilitate drivers that wish to carry on if they can't create a jack input device by handling attempts to report the state of a NULL jack, removing the need to check for initialisation before use. Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/core/jack.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/core/jack.c b/sound/core/jack.c index 8133a2b173a5..bd2d9e6b55e9 100644 --- a/sound/core/jack.c +++ b/sound/core/jack.c @@ -147,6 +147,9 @@ EXPORT_SYMBOL(snd_jack_set_parent); */ void snd_jack_report(struct snd_jack *jack, int status) { + if (!jack) + return; + if (jack->type & SND_JACK_HEADPHONE) input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT, status & SND_JACK_HEADPHONE); -- GitLab From 1c85cc64456c97f3b265788abafec5c482c6a908 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 15 Oct 2008 14:38:40 -0700 Subject: [PATCH 5048/6244] ALSA: kernel docs: fix sound/core/ kernel-doc Add kernel-doc function short descriptions to sound/core functions that are missing this short description. Mostly this involves moving some of the function description onto the @funcname line. Also correct a few variable names and fix other kernel-doc notation. Signed-off-by: Randy Dunlap Signed-off-by: Takashi Iwai --- sound/core/pcm_lib.c | 48 ++++++++++++++++++++--------------------- sound/core/pcm_native.c | 24 +++++++-------------- 2 files changed, 32 insertions(+), 40 deletions(-) diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 6ea5cfb83998..921691080f35 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -908,12 +908,12 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond, EXPORT_SYMBOL(snd_pcm_hw_rule_add); /** - * snd_pcm_hw_constraint_mask + * snd_pcm_hw_constraint_mask - apply the given bitmap mask constraint * @runtime: PCM runtime instance * @var: hw_params variable to apply the mask * @mask: the bitmap mask * - * Apply the constraint of the given bitmap mask to a mask parameter. + * Apply the constraint of the given bitmap mask to a 32-bit mask parameter. */ int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, u_int32_t mask) @@ -928,12 +928,12 @@ int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param } /** - * snd_pcm_hw_constraint_mask64 + * snd_pcm_hw_constraint_mask64 - apply the given bitmap mask constraint * @runtime: PCM runtime instance * @var: hw_params variable to apply the mask * @mask: the 64bit bitmap mask * - * Apply the constraint of the given bitmap mask to a mask parameter. + * Apply the constraint of the given bitmap mask to a 64-bit mask parameter. */ int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var, u_int64_t mask) @@ -949,7 +949,7 @@ int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_par } /** - * snd_pcm_hw_constraint_integer + * snd_pcm_hw_constraint_integer - apply an integer constraint to an interval * @runtime: PCM runtime instance * @var: hw_params variable to apply the integer constraint * @@ -964,7 +964,7 @@ int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_pa EXPORT_SYMBOL(snd_pcm_hw_constraint_integer); /** - * snd_pcm_hw_constraint_minmax + * snd_pcm_hw_constraint_minmax - apply a min/max range constraint to an interval * @runtime: PCM runtime instance * @var: hw_params variable to apply the range * @min: the minimal value @@ -995,7 +995,7 @@ static int snd_pcm_hw_rule_list(struct snd_pcm_hw_params *params, /** - * snd_pcm_hw_constraint_list + * snd_pcm_hw_constraint_list - apply a list of constraints to a parameter * @runtime: PCM runtime instance * @cond: condition bits * @var: hw_params variable to apply the list constraint @@ -1031,7 +1031,7 @@ static int snd_pcm_hw_rule_ratnums(struct snd_pcm_hw_params *params, } /** - * snd_pcm_hw_constraint_ratnums + * snd_pcm_hw_constraint_ratnums - apply ratnums constraint to a parameter * @runtime: PCM runtime instance * @cond: condition bits * @var: hw_params variable to apply the ratnums constraint @@ -1064,7 +1064,7 @@ static int snd_pcm_hw_rule_ratdens(struct snd_pcm_hw_params *params, } /** - * snd_pcm_hw_constraint_ratdens + * snd_pcm_hw_constraint_ratdens - apply ratdens constraint to a parameter * @runtime: PCM runtime instance * @cond: condition bits * @var: hw_params variable to apply the ratdens constraint @@ -1095,7 +1095,7 @@ static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params, } /** - * snd_pcm_hw_constraint_msbits + * snd_pcm_hw_constraint_msbits - add a hw constraint msbits rule * @runtime: PCM runtime instance * @cond: condition bits * @width: sample bits width @@ -1123,7 +1123,7 @@ static int snd_pcm_hw_rule_step(struct snd_pcm_hw_params *params, } /** - * snd_pcm_hw_constraint_step + * snd_pcm_hw_constraint_step - add a hw constraint step rule * @runtime: PCM runtime instance * @cond: condition bits * @var: hw_params variable to apply the step constraint @@ -1154,7 +1154,7 @@ static int snd_pcm_hw_rule_pow2(struct snd_pcm_hw_params *params, struct snd_pcm } /** - * snd_pcm_hw_constraint_pow2 + * snd_pcm_hw_constraint_pow2 - add a hw constraint power-of-2 rule * @runtime: PCM runtime instance * @cond: condition bits * @var: hw_params variable to apply the power-of-2 constraint @@ -1202,13 +1202,13 @@ void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params) EXPORT_SYMBOL(_snd_pcm_hw_params_any); /** - * snd_pcm_hw_param_value + * snd_pcm_hw_param_value - return @params field @var value * @params: the hw_params instance * @var: parameter to retrieve - * @dir: pointer to the direction (-1,0,1) or NULL + * @dir: pointer to the direction (-1,0,1) or %NULL * - * Return the value for field PAR if it's fixed in configuration space - * defined by PARAMS. Return -EINVAL otherwise + * Return the value for field @var if it's fixed in configuration space + * defined by @params. Return -%EINVAL otherwise. */ int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir) @@ -1271,13 +1271,13 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params, /** - * snd_pcm_hw_param_first + * snd_pcm_hw_param_first - refine config space and return minimum value * @pcm: PCM instance * @params: the hw_params instance * @var: parameter to retrieve - * @dir: pointer to the direction (-1,0,1) or NULL + * @dir: pointer to the direction (-1,0,1) or %NULL * - * Inside configuration space defined by PARAMS remove from PAR all + * Inside configuration space defined by @params remove from @var all * values > minimum. Reduce configuration space accordingly. * Return the minimum. */ @@ -1317,13 +1317,13 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params, /** - * snd_pcm_hw_param_last + * snd_pcm_hw_param_last - refine config space and return maximum value * @pcm: PCM instance * @params: the hw_params instance * @var: parameter to retrieve - * @dir: pointer to the direction (-1,0,1) or NULL + * @dir: pointer to the direction (-1,0,1) or %NULL * - * Inside configuration space defined by PARAMS remove from PAR all + * Inside configuration space defined by @params remove from @var all * values < maximum. Reduce configuration space accordingly. * Return the maximum. */ @@ -1345,11 +1345,11 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm, EXPORT_SYMBOL(snd_pcm_hw_param_last); /** - * snd_pcm_hw_param_choose + * snd_pcm_hw_param_choose - choose a configuration defined by @params * @pcm: PCM instance * @params: the hw_params instance * - * Choose one configuration from configuration space defined by PARAMS + * Choose one configuration from configuration space defined by @params. * The configuration chosen is that obtained fixing in this order: * first access, first format, first subformat, min channels, * min rate, min period time, max buffer size, min tick time diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index e61e12506ded..aef18682c035 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -875,10 +875,8 @@ static struct action_ops snd_pcm_action_start = { }; /** - * snd_pcm_start + * snd_pcm_start - start all linked streams * @substream: the PCM substream instance - * - * Start all linked streams. */ int snd_pcm_start(struct snd_pcm_substream *substream) { @@ -926,12 +924,11 @@ static struct action_ops snd_pcm_action_stop = { }; /** - * snd_pcm_stop + * snd_pcm_stop - try to stop all running streams in the substream group * @substream: the PCM substream instance * @state: PCM state after stopping the stream * - * Try to stop all running streams in the substream group. - * The state of each stream is changed to the given value after that unconditionally. + * The state of each stream is then changed to the given state unconditionally. */ int snd_pcm_stop(struct snd_pcm_substream *substream, int state) { @@ -941,11 +938,10 @@ int snd_pcm_stop(struct snd_pcm_substream *substream, int state) EXPORT_SYMBOL(snd_pcm_stop); /** - * snd_pcm_drain_done + * snd_pcm_drain_done - stop the DMA only when the given stream is playback * @substream: the PCM substream * - * Stop the DMA only when the given stream is playback. - * The state is changed to SETUP. + * After stopping, the state is changed to SETUP. * Unlike snd_pcm_stop(), this affects only the given stream. */ int snd_pcm_drain_done(struct snd_pcm_substream *substream) @@ -1065,10 +1061,9 @@ static struct action_ops snd_pcm_action_suspend = { }; /** - * snd_pcm_suspend + * snd_pcm_suspend - trigger SUSPEND to all linked streams * @substream: the PCM substream * - * Trigger SUSPEND to all linked streams. * After this call, all streams are changed to SUSPENDED state. */ int snd_pcm_suspend(struct snd_pcm_substream *substream) @@ -1088,10 +1083,9 @@ int snd_pcm_suspend(struct snd_pcm_substream *substream) EXPORT_SYMBOL(snd_pcm_suspend); /** - * snd_pcm_suspend_all + * snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm * @pcm: the PCM instance * - * Trigger SUSPEND to all substreams in the given pcm. * After this call, all streams are changed to SUSPENDED state. */ int snd_pcm_suspend_all(struct snd_pcm *pcm) @@ -1313,11 +1307,9 @@ static struct action_ops snd_pcm_action_prepare = { }; /** - * snd_pcm_prepare + * snd_pcm_prepare - prepare the PCM substream to be triggerable * @substream: the PCM substream instance * @file: file to refer f_flags - * - * Prepare the PCM substream to be triggerable. */ static int snd_pcm_prepare(struct snd_pcm_substream *substream, struct file *file) -- GitLab From 5dd2d3322836036da169904afcb7d0f6dff5363f Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 16 Oct 2008 05:09:31 -0400 Subject: [PATCH 5049/6244] [netdrvr] myri10ge, ixgbe: remove broken select INTEL_IOATDMA We cannot select INTEL_IOATDMA in Kconfig as soon as MYRI10GE or IXGBE is enabled since the former is not available on all architectures. Just use a Kconfig bool {IXGBE,MYRI10GE}_DCA set to =y when DCA support can actually be built. [myri10ge portion written and signed-off-by] Brice Goglin Signed-off-by: Jeff Garzik --- drivers/net/Kconfig | 12 ++++++++++-- drivers/net/ixgbe/ixgbe.h | 4 ++-- drivers/net/ixgbe/ixgbe_main.c | 32 ++++++++++++++++---------------- drivers/net/myri10ge/myri10ge.c | 26 +++++++++++++------------- 4 files changed, 41 insertions(+), 33 deletions(-) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 1d8af3348331..ad301ace6085 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2410,7 +2410,6 @@ config IXGBE tristate "Intel(R) 10GbE PCI Express adapters support" depends on PCI && INET select INET_LRO - select INTEL_IOATDMA ---help--- This driver supports Intel(R) 10GbE PCI Express family of adapters. For more information on how to identify your adapter, go @@ -2426,6 +2425,11 @@ config IXGBE To compile this driver as a module, choose M here. The module will be called ixgbe. +config IXGBE_DCA + bool + default y + depends on IXGBE && DCA && !(IXGBE=y && DCA=m) + config IXGB tristate "Intel(R) PRO/10GbE support" depends on PCI @@ -2462,7 +2466,6 @@ config MYRI10GE select FW_LOADER select CRC32 select INET_LRO - select INTEL_IOATDMA ---help--- This driver supports Myricom Myri-10G Dual Protocol interface in Ethernet mode. If the eeprom on your board is not recent enough, @@ -2474,6 +2477,11 @@ config MYRI10GE To compile this driver as a module, choose M here. The module will be called myri10ge. +config MYRI10GE_DCA + bool + default y + depends on MYRI10GE && DCA && !(MYRI10GE=y && DCA=m) + config NETXEN_NIC tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC" depends on PCI diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 2198b77c53ed..e116d340dcc6 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -36,7 +36,7 @@ #include "ixgbe_type.h" #include "ixgbe_common.h" -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA #include #endif @@ -136,7 +136,7 @@ struct ixgbe_ring { * offset associated with this ring, which is different * for DCE and RSS modes */ -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA /* cpu for tx queue */ int cpu; #endif diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index ca17af4349d0..7548fb7360d9 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -80,7 +80,7 @@ static struct pci_device_id ixgbe_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA static int ixgbe_notify_dca(struct notifier_block *, unsigned long event, void *p); static struct notifier_block dca_notifier = { @@ -296,7 +296,7 @@ done_cleaning: return (total_packets ? true : false); } -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter, struct ixgbe_ring *rx_ring) { @@ -383,7 +383,7 @@ static int __ixgbe_notify_dca(struct device *dev, void *data) return 0; } -#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */ +#endif /* CONFIG_IXGBE_DCA */ /** * ixgbe_receive_skb - Send a completed packet up the stack * @adapter: board private structure @@ -947,7 +947,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { tx_ring = &(adapter->tx_ring[r_idx]); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_tx_dca(adapter, tx_ring); #endif @@ -1022,7 +1022,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); rx_ring = &(adapter->rx_ring[r_idx]); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, rx_ring); #endif @@ -1066,7 +1066,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget) r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { rx_ring = &(adapter->rx_ring[r_idx]); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, rx_ring); #endif @@ -2155,7 +2155,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter) netif_carrier_off(netdev); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED; dca_remove_requester(&adapter->pdev->dev); @@ -2167,7 +2167,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter) ixgbe_clean_all_tx_rings(adapter); ixgbe_clean_all_rx_rings(adapter); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA /* since we reset the hardware DCA settings were cleared */ if (dca_add_requester(&adapter->pdev->dev) == 0) { adapter->flags |= IXGBE_FLAG_DCA_ENABLED; @@ -2193,7 +2193,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget) struct ixgbe_adapter *adapter = q_vector->adapter; int tx_cleaned, work_done = 0; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { ixgbe_update_tx_dca(adapter, adapter->tx_ring); ixgbe_update_rx_dca(adapter, adapter->rx_ring); @@ -3922,7 +3922,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, if (err) goto err_register; -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (dca_add_requester(&pdev->dev) == 0) { adapter->flags |= IXGBE_FLAG_DCA_ENABLED; /* always use CB2 mode, difference is masked @@ -3972,7 +3972,7 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev) flush_scheduled_work(); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED; dca_remove_requester(&pdev->dev); @@ -4105,10 +4105,10 @@ static int __init ixgbe_init_module(void) printk(KERN_INFO "%s: %s\n", ixgbe_driver_name, ixgbe_copyright); -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA dca_register_notify(&dca_notifier); - #endif + ret = pci_register_driver(&ixgbe_driver); return ret; } @@ -4123,13 +4123,13 @@ module_init(ixgbe_init_module); **/ static void __exit ixgbe_exit_module(void) { -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA dca_unregister_notify(&dca_notifier); #endif pci_unregister_driver(&ixgbe_driver); } -#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) +#ifdef CONFIG_IXGBE_DCA static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, void *p) { @@ -4140,7 +4140,7 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, return ret_val ? NOTIFY_BAD : NOTIFY_DONE; } -#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */ +#endif /* CONFIG_IXGBE_DCA */ module_exit(ixgbe_exit_module); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 6dce901c7f45..a9aebad52652 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -188,7 +188,7 @@ struct myri10ge_slice_state { dma_addr_t fw_stats_bus; int watchdog_tx_done; int watchdog_tx_req; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA int cached_dca_tag; int cpu; __be32 __iomem *dca_tag; @@ -220,7 +220,7 @@ struct myri10ge_priv { int msi_enabled; int msix_enabled; struct msix_entry *msix_vectors; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA int dca_enabled; #endif u32 link_state; @@ -902,7 +902,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) struct myri10ge_slice_state *ss; int i, status; size_t bytes; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA unsigned long dca_tag_off; #endif @@ -1012,7 +1012,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) } put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_DCA_OFFSET, &cmd, 0); dca_tag_off = cmd.data0; for (i = 0; i < mgp->num_slices; i++) { @@ -1051,7 +1051,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp) return status; } -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA static void myri10ge_write_dca(struct myri10ge_slice_state *ss, int cpu, int tag) { @@ -1505,7 +1505,7 @@ static int myri10ge_poll(struct napi_struct *napi, int budget) struct net_device *netdev = ss->mgp->dev; int work_done; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA if (ss->mgp->dca_enabled) myri10ge_update_dca(ss); #endif @@ -1736,7 +1736,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = { "tx_boundary", "WC", "irq", "MSI", "MSIX", "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs", "serial_number", "watchdog_resets", -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA "dca_capable_firmware", "dca_device_present", #endif "link_changes", "link_up", "dropped_link_overflow", @@ -1815,7 +1815,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev, data[i++] = (unsigned int)mgp->read_write_dma; data[i++] = (unsigned int)mgp->serial_number; data[i++] = (unsigned int)mgp->watchdog_resets; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA data[i++] = (unsigned int)(mgp->ss[0].dca_tag != NULL); data[i++] = (unsigned int)(mgp->dca_enabled); #endif @@ -3844,7 +3844,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "failed reset\n"); goto abort_with_slices; } -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA myri10ge_setup_dca(mgp); #endif pci_set_drvdata(pdev, mgp); @@ -3948,7 +3948,7 @@ static void myri10ge_remove(struct pci_dev *pdev) netdev = mgp->dev; unregister_netdev(netdev); -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA myri10ge_teardown_dca(mgp); #endif myri10ge_dummy_rdma(mgp, 0); @@ -3993,7 +3993,7 @@ static struct pci_driver myri10ge_driver = { #endif }; -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA static int myri10ge_notify_dca(struct notifier_block *nb, unsigned long event, void *p) { @@ -4024,7 +4024,7 @@ static __init int myri10ge_init_module(void) myri10ge_driver.name, myri10ge_rss_hash); myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT; } -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA dca_register_notify(&myri10ge_dca_notifier); #endif if (myri10ge_max_slices > MYRI10GE_MAX_SLICES) @@ -4037,7 +4037,7 @@ module_init(myri10ge_init_module); static __exit void myri10ge_cleanup_module(void) { -#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE) +#ifdef CONFIG_MYRI10GE_DCA dca_unregister_notify(&myri10ge_dca_notifier); #endif pci_unregister_driver(&myri10ge_driver); -- GitLab From 8ab7b66796920e785d27c88fcde1539fa661ae14 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 15 Oct 2008 11:50:42 +0100 Subject: [PATCH 5050/6244] lmc: copy_*_user under spinlock Not sure anyone uses this driver any more, maybe we should just drop it ? Code is still foul but at least a fraction less broken. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/net/wan/lmc/lmc_main.c | 31 ++++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-) diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index f80640f5a744..d7bb63e616b5 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -122,7 +122,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ * Most functions mess with the structure * Disable interrupts while we do the polling */ - spin_lock_irqsave(&sc->lmc_lock, flags); switch (cmd) { /* @@ -152,6 +151,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_media->set_status (sc, &ctl); if(ctl.crc_length != sc->ictl.crc_length) { @@ -161,6 +161,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ else sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE; } + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -187,15 +188,18 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; /* no change */ } + spin_lock_irqsave(&sc->lmc_lock, flags); lmc_proto_close(sc); sc->if_type = new_type; lmc_proto_attach(sc); ret = lmc_proto_open(sc); + spin_unlock_irqrestore(&sc->lmc_lock, flags); break; } case LMCIOCGETXINFO: /*fold01*/ + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_xinfo.Magic0 = 0xBEEFCAFE; sc->lmc_xinfo.PciCardType = sc->lmc_cardtype; @@ -208,6 +212,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ; sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc); sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16); + spin_unlock_irqrestore(&sc->lmc_lock, flags); sc->lmc_xinfo.Magic1 = 0xDEADBEEF; @@ -220,6 +225,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; case LMCIOCGETLMCSTATS: + spin_lock_irqsave(&sc->lmc_lock, flags); if (sc->lmc_cardtype == LMC_CARDTYPE_T1) { lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB); sc->extra_stats.framingBitErrorCount += @@ -243,6 +249,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->extra_stats.severelyErroredFrameCount += regVal & T1FRAMER_SEF_MASK; } + spin_unlock_irqrestore(&sc->lmc_lock, flags); if (copy_to_user(ifr->ifr_data, &sc->lmc_device->stats, sizeof(sc->lmc_device->stats)) || copy_to_user(ifr->ifr_data + sizeof(sc->lmc_device->stats), @@ -258,12 +265,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats)); memset(&sc->extra_stats, 0, sizeof(sc->extra_stats)); sc->extra_stats.check = STATCHECK; sc->extra_stats.version_size = (DRIVER_VERSION << 16) + sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats); sc->extra_stats.lmc_cardtype = sc->lmc_cardtype; + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -282,8 +291,10 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ ret = -EFAULT; break; } + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_media->set_circuit_type(sc, ctl.circuit_type); sc->ictl.circuit_type = ctl.circuit_type; + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -294,12 +305,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); /* Reset driver and bring back to current state */ printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); lmc_running_reset (dev); printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16)); + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -338,14 +351,15 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ netif_stop_queue(dev); - if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) { + if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) { ret = -EFAULT; break; - } + } switch(xc.command){ case lmc_xilinx_reset: /*fold02*/ { u16 mii; + spin_lock_irqsave(&sc->lmc_lock, flags); mii = lmc_mii_readreg (sc, 0, 16); /* @@ -404,6 +418,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ lmc_led_off(sc, LMC_DS3_LED2); } } + spin_unlock_irqrestore(&sc->lmc_lock, flags); @@ -416,6 +431,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ { u16 mii; int timeout = 500000; + spin_lock_irqsave(&sc->lmc_lock, flags); mii = lmc_mii_readreg (sc, 0, 16); /* @@ -451,13 +467,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && (timeout-- > 0)) - ; + cpu_relax(); /* * stop driving Xilinx-related signals */ lmc_gpio_mkinput(sc, 0xff); + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0x0; @@ -493,6 +510,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data); + spin_lock_irqsave(&sc->lmc_lock, flags); lmc_gpio_mkinput(sc, 0xff); /* @@ -545,7 +563,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && (timeout-- > 0)) - ; + cpu_relax(); printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear it's memory\n", dev->name, 500000-timeout); @@ -588,6 +606,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET; lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); + spin_unlock_irqrestore(&sc->lmc_lock, flags); kfree(data); @@ -611,8 +630,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } - spin_unlock_irqrestore(&sc->lmc_lock, flags); /*fold01*/ - lmc_trace(dev, "lmc_ioctl out"); return ret; -- GitLab From 617a20bbd099040b68f3578a0a1da5e8780d1831 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Tue, 14 Oct 2008 17:50:42 -0700 Subject: [PATCH 5051/6244] xen-netfront: Avoid unaligned accesses to IP header Align ip header to a 16 byte boundary to avoid unaligned access like other drivers. Without this patch, xen-netfront doesn't work well on ia64. Signed-off-by: Isaku Yamahata Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Jeff Garzik --- drivers/net/xen-netfront.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index c749bdba214c..9ffe743f4eb1 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -239,11 +239,14 @@ static void xennet_alloc_rx_buffers(struct net_device *dev) */ batch_target = np->rx_target - (req_prod - np->rx.rsp_cons); for (i = skb_queue_len(&np->rx_batch); i < batch_target; i++) { - skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD, + skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD + NET_IP_ALIGN, GFP_ATOMIC | __GFP_NOWARN); if (unlikely(!skb)) goto no_skb; + /* Align ip header to a 16 bytes boundary */ + skb_reserve(skb, NET_IP_ALIGN); + page = alloc_page(GFP_ATOMIC | __GFP_NOWARN); if (!page) { kfree_skb(skb); -- GitLab From dc976c09da4e13b2b3fda23cca9d0682d1de7213 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 13 Oct 2008 15:02:31 +0100 Subject: [PATCH 5052/6244] [netdrvr] ibmtr: PCMCIA IBMTR is ok on 64bit For whatever value of 'OK' can be applied to the use of token ring. Seems the 32bit to 64bit cleanups missed re-enabling the pcmcia driver Closes #7133 and also reviewed the code in question Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- drivers/net/pcmcia/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/pcmcia/Kconfig b/drivers/net/pcmcia/Kconfig index e8f55d8ed7a9..9b8f793b1cc8 100644 --- a/drivers/net/pcmcia/Kconfig +++ b/drivers/net/pcmcia/Kconfig @@ -111,7 +111,7 @@ config ARCNET_COM20020_CS config PCMCIA_IBMTR tristate "IBM PCMCIA tokenring adapter support" - depends on IBMTR!=y && TR && !64BIT + depends on IBMTR!=y && TR help Say Y here if you intend to attach this type of Token Ring PCMCIA card to your computer. You then also need to say Y to "Token Ring -- GitLab From 73bdf0a60e607f4b8ecc5aec597105976565a84f Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 15 Oct 2008 08:35:12 -0700 Subject: [PATCH 5053/6244] Introduce is_vmalloc_or_module_addr() and use with DEBUG_VIRTUAL Impact: crash on module insertion with CONFIG_DEBUG_VIRTUAL We would incorrectly BUG due to: VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && !is_module_address(addr)); ... because, at least on x86-64, is_module_address() doesn't do what it should. This patch introduces is_vmalloc_or_module_addr(), which is what we really want anyway, and uses it instead. Signed-off-by: H. Peter Anvin --- mm/vmalloc.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index bba06c41fc59..f018d7e0addb 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -168,6 +168,21 @@ int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages) } EXPORT_SYMBOL_GPL(map_vm_area); +static inline int is_vmalloc_or_module_addr(const void *x) +{ + /* + * x86-64 and sparc64 put modules in a special place, + * and fall back on vmalloc() if that fails. Others + * just put it in the vmalloc space. + */ +#if defined(CONFIG_MODULES) && defined(MODULES_VADDR) + unsigned long addr = (unsigned long)x; + if (addr >= MODULES_VADDR && addr < MODULES_END) + return 1; +#endif + return is_vmalloc_addr(x); +} + /* * Map a vmalloc()-space virtual address to the physical page. */ @@ -184,8 +199,7 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) * XXX we might need to change this if we add VIRTUAL_BUG_ON for * architectures that do not vmalloc module space */ - VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) && - !is_module_address(addr)); + VIRTUAL_BUG_ON(!is_vmalloc_or_module_addr(vmalloc_addr)); if (!pgd_none(*pgd)) { pud = pud_offset(pgd, addr); -- GitLab From 463baa8a0947f858d6db1c56d87eeaf1176ba7bb Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Thu, 16 Oct 2008 20:29:07 +1100 Subject: [PATCH 5054/6244] powerpc: fix linux-next build failure Today's linux-next build (powerpc allyesconfig) failed like this: In file included from arch/powerpc/include/asm/mmu-hash64.h:17, from arch/powerpc/include/asm/mmu.h:8, from arch/powerpc/include/asm/pgtable.h:8, from arch/powerpc/mm/slb.c:20: arch/powerpc/include/asm/page.h:76: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'memstart_addr' arch/powerpc/include/asm/page.h:77: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'kernstart_addr' Caused by commit 600715dcdf567c86f8b2c6173fcfb4b873e25a19 ("generic: add phys_addr_t for holding physical addresses") from the tip-core tree. This only fails if CONFIG_RELOCATABLE is set. So include that instead of asm/types.h in asm/page.h for the CONFIG_RELOCATABLE case. Signed-off-by: Stephen Rothwell Cc: ppc-dev Cc: Andrew Morton Cc: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/powerpc/include/asm/page.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index e088545cb3f5..94fe5138b30f 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -10,9 +10,13 @@ * 2 of the License, or (at your option) any later version. */ +#ifndef __ASSEMBLY__ +#include +#else +#include +#endif #include #include -#include /* * On PPC32 page size is 4K. For PPC64 we support either 4K or 64K software -- GitLab From cdbdd1676a5379f1d5cbd4d476f5e349f445befe Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 16 Oct 2008 11:00:06 +0100 Subject: [PATCH 5055/6244] ALSA: ASoC: Convert playpaq_wm8510 to bulk route registration API Signed-off-by: Mark Brown Signed-off-by: Takashi Iwai --- sound/soc/at32/playpaq_wm8510.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/sound/soc/at32/playpaq_wm8510.c b/sound/soc/at32/playpaq_wm8510.c index 98a2d5826a85..b1966e4dfcd3 100644 --- a/sound/soc/at32/playpaq_wm8510.c +++ b/sound/soc/at32/playpaq_wm8510.c @@ -304,7 +304,7 @@ static const struct snd_soc_dapm_widget playpaq_dapm_widgets[] = { -static const char *intercon[][3] = { +static const struct snd_soc_dapm_route intercon[] = { /* speaker connected to SPKOUT */ {"Ext Spk", NULL, "SPKOUTP"}, {"Ext Spk", NULL, "SPKOUTN"}, @@ -312,9 +312,6 @@ static const char *intercon[][3] = { {"Mic Bias", NULL, "Int Mic"}, {"MICN", NULL, "Mic Bias"}, {"MICP", NULL, "Mic Bias"}, - - /* Terminator */ - {NULL, NULL, NULL}, }; @@ -334,11 +331,8 @@ static int playpaq_wm8510_init(struct snd_soc_codec *codec) /* * Setup audio path interconnects */ - for (i = 0; intercon[i][0] != NULL; i++) { - snd_soc_dapm_connect_input(codec, - intercon[i][0], - intercon[i][1], intercon[i][2]); - } + snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon)); + /* always connected pins */ -- GitLab From 0b59268285ca6cdc46191f2995bf632088e3e277 Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Thu, 16 Oct 2008 15:39:57 +0200 Subject: [PATCH 5056/6244] [PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITY The SET_PERSONALITY macro is always called with a second argument of 0. Remove the ibcs argument and the various tests to set the PER_SVR4 personality. Signed-off-by: Martin Schwidefsky --- arch/alpha/include/asm/elf.h | 4 ++-- arch/arm/include/asm/elf.h | 2 +- arch/avr32/include/asm/elf.h | 2 +- arch/blackfin/include/asm/elf.h | 2 +- arch/h8300/include/asm/elf.h | 2 +- arch/ia64/ia32/binfmt_elf32.c | 2 +- arch/ia64/ia32/ia32priv.h | 4 ++-- arch/ia64/include/asm/elf.h | 2 +- arch/m68knommu/include/asm/elf.h | 2 +- arch/mips/include/asm/elf.h | 10 +++------- arch/parisc/kernel/binfmt_elf32.c | 2 +- arch/powerpc/include/asm/elf.h | 4 ++-- arch/s390/include/asm/elf.h | 8 +++----- arch/sh/include/asm/elf.h | 2 +- arch/sparc/include/asm/elf_32.h | 2 +- arch/sparc/include/asm/elf_64.h | 6 ++---- fs/binfmt_elf.c | 6 +++--- include/asm-cris/elf.h | 2 +- include/asm-frv/elf.h | 2 +- include/asm-m32r/elf.h | 2 +- include/asm-m68k/elf.h | 2 +- include/asm-mn10300/elf.h | 2 +- include/asm-parisc/elf.h | 2 +- include/asm-um/elf-i386.h | 2 +- include/asm-um/elf-ppc.h | 2 +- include/asm-um/elf-x86_64.h | 2 +- include/asm-x86/elf.h | 4 ++-- include/asm-xtensa/elf.h | 2 +- 28 files changed, 39 insertions(+), 47 deletions(-) diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h index fc1002ea1e0c..5c75c1b2352a 100644 --- a/arch/alpha/include/asm/elf.h +++ b/arch/alpha/include/asm/elf.h @@ -144,9 +144,9 @@ extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task); : amask (AMASK_CIX) ? "ev6" : "ev67"); \ }) -#define SET_PERSONALITY(EX, IBCS2) \ +#define SET_PERSONALITY(EX) \ set_personality(((EX).e_flags & EF_ALPHA_32BIT) \ - ? PER_LINUX_32BIT : (IBCS2) ? PER_SVR4 : PER_LINUX) + ? PER_LINUX_32BIT : PER_LINUX) extern int alpha_l1i_cacheshape; extern int alpha_l1d_cacheshape; diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index 5be016980c19..a58378c343b9 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -107,6 +107,6 @@ extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 extern void elf_set_personality(const struct elf32_hdr *); -#define SET_PERSONALITY(ex, ibcs2) elf_set_personality(&(ex)) +#define SET_PERSONALITY(ex) elf_set_personality(&(ex)) #endif diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h index 64ce40ee1d58..d5d1d41c600a 100644 --- a/arch/avr32/include/asm/elf.h +++ b/arch/avr32/include/asm/elf.h @@ -103,6 +103,6 @@ typedef struct user_fpu_struct elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT) #endif /* __ASM_AVR32_ELF_H */ diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h index 67a03a8a353e..cdbfcfc30f6a 100644 --- a/arch/blackfin/include/asm/elf.h +++ b/arch/blackfin/include/asm/elf.h @@ -122,6 +122,6 @@ do { \ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif diff --git a/arch/h8300/include/asm/elf.h b/arch/h8300/include/asm/elf.h index a8b57d1f4128..94e2284c8816 100644 --- a/arch/h8300/include/asm/elf.h +++ b/arch/h8300/include/asm/elf.h @@ -55,7 +55,7 @@ typedef unsigned long elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #define R_H8_NONE 0 #define R_H8_DIR32 1 diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index 4f0c30c38e99..f92bdaac8976 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -41,7 +41,7 @@ randomize_stack_top(unsigned long stack_top); #define elf_map elf32_map #undef SET_PERSONALITY -#define SET_PERSONALITY(ex, ibcs2) elf32_set_personality() +#define SET_PERSONALITY(ex) elf32_set_personality() #define elf_read_implies_exec(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack)) diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h index dd0c53687a96..0f15349c3c6b 100644 --- a/arch/ia64/ia32/ia32priv.h +++ b/arch/ia64/ia32/ia32priv.h @@ -332,8 +332,8 @@ void ia64_elf32_init(struct pt_regs *regs); #define ELF_PLATFORM NULL #ifdef __KERNEL__ -# define SET_PERSONALITY(EX,IBCS2) \ - (current->personality = (IBCS2) ? PER_SVR4 : PER_LINUX) +# define SET_PERSONALITY(EX) \ + (current->personality = PER_LINUX) #endif #define IA32_EFLAG 0x200 diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h index 2acb6b6543c9..86eddee029cb 100644 --- a/arch/ia64/include/asm/elf.h +++ b/arch/ia64/include/asm/elf.h @@ -202,7 +202,7 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst); relevant until we have real hardware to play with... */ #define ELF_PLATFORM NULL -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #define elf_read_implies_exec(ex, executable_stack) \ ((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0) diff --git a/arch/m68knommu/include/asm/elf.h b/arch/m68knommu/include/asm/elf.h index 27f0ec70fba8..b8046837f384 100644 --- a/arch/m68knommu/include/asm/elf.h +++ b/arch/m68knommu/include/asm/elf.h @@ -105,6 +105,6 @@ typedef struct user_m68kfp_struct elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index f69f7acba637..a8eac1697b3d 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -247,10 +247,8 @@ extern struct mips_abi mips_abi_n32; #ifdef CONFIG_32BIT -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ do { \ - if (ibcs2) \ - set_personality(PER_SVR4); \ set_personality(PER_LINUX); \ \ current->thread.abi = &mips_abi; \ @@ -296,7 +294,7 @@ do { \ #define __SET_PERSONALITY32(ex) do { } while (0) #endif -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ do { \ clear_thread_flag(TIF_32BIT_REGS); \ clear_thread_flag(TIF_32BIT_ADDR); \ @@ -306,9 +304,7 @@ do { \ else \ current->thread.abi = &mips_abi; \ \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - else if (current->personality != PER_LINUX32) \ + if (current->personality != PER_LINUX32) \ set_personality(PER_LINUX); \ } while (0) diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c index ecb10a4f63c6..f61692d2b557 100644 --- a/arch/parisc/kernel/binfmt_elf32.c +++ b/arch/parisc/kernel/binfmt_elf32.c @@ -85,7 +85,7 @@ struct elf_prpsinfo32 * could set a processor dependent flag in the thread_struct. */ -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ set_thread_flag(TIF_32BIT); \ current->thread.map_base = DEFAULT_MAP_BASE32; \ current->thread.task_size = DEFAULT_TASK_SIZE32 \ diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 64c6ee22eefd..d812929390e4 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -232,7 +232,7 @@ typedef elf_vrregset_t elf_fpxregset_t; #endif /* __powerpc64__ */ #ifdef __powerpc64__ -# define SET_PERSONALITY(ex, ibcs2) \ +# define SET_PERSONALITY(ex) \ do { \ unsigned long new_flags = 0; \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ @@ -256,7 +256,7 @@ do { \ # define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \ (exec_stk != EXSTACK_DISABLE_X) : 0) #else -# define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +# define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif /* __powerpc64__ */ extern int dcache_bsize; diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 3cad56923815..261785ab5b22 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -166,13 +166,11 @@ extern char elf_platform[]; #define ELF_PLATFORM (elf_platform) #ifndef __s390x__ -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #else /* __s390x__ */ -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ do { \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - else if (current->personality != PER_LINUX32) \ + if (current->personality != PER_LINUX32) \ set_personality(PER_LINUX); \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ set_thread_flag(TIF_31BIT); \ diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index f01449a8d378..ee02db110f0d 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -189,7 +189,7 @@ do { \ } while (0) #endif -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT) struct task_struct; extern int dump_task_regs (struct task_struct *, elf_gregset_t *); extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h index b7ab60547827..381a1b5256d6 100644 --- a/arch/sparc/include/asm/elf_32.h +++ b/arch/sparc/include/asm/elf_32.h @@ -137,6 +137,6 @@ typedef struct { #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif /* !(__ASMSPARC_ELF_H) */ diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index 0818a1308f4e..425c2f9be6d5 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -195,7 +195,7 @@ static inline unsigned int sparc64_elf_hwcap(void) #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ do { unsigned long new_flags = current_thread_info()->flags; \ new_flags &= _TIF_32BIT; \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ @@ -208,9 +208,7 @@ do { unsigned long new_flags = current_thread_info()->flags; \ else \ clear_thread_flag(TIF_ABI_PENDING); \ /* flush_thread will update pgd cache */ \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - else if (current->personality != PER_LINUX32) \ + if (current->personality != PER_LINUX32) \ set_personality(PER_LINUX); \ } while (0) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 655ed8d30a86..c76afa26edf7 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -683,7 +683,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) * switch really is going to happen - do this in * flush_thread(). - akpm */ - SET_PERSONALITY(loc->elf_ex, 0); + SET_PERSONALITY(loc->elf_ex); interpreter = open_exec(elf_interpreter); retval = PTR_ERR(interpreter); @@ -734,7 +734,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) goto out_free_dentry; } else { /* Executables without an interpreter also need a personality */ - SET_PERSONALITY(loc->elf_ex, 0); + SET_PERSONALITY(loc->elf_ex); } /* Flush all traces of the currently running executable */ @@ -748,7 +748,7 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) /* Do this immediately, since STACK_TOP as used in setup_arg_pages may depend on the personality. */ - SET_PERSONALITY(loc->elf_ex, 0); + SET_PERSONALITY(loc->elf_ex); if (elf_read_implies_exec(loc->elf_ex, executable_stack)) current->personality |= READ_IMPLIES_EXEC; diff --git a/include/asm-cris/elf.h b/include/asm-cris/elf.h index 001f64ad11e8..f0d17fbc81ba 100644 --- a/include/asm-cris/elf.h +++ b/include/asm-cris/elf.h @@ -88,6 +88,6 @@ typedef unsigned long elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif diff --git a/include/asm-frv/elf.h b/include/asm-frv/elf.h index 9fb946bb7dc9..7279ec07d62e 100644 --- a/include/asm-frv/elf.h +++ b/include/asm-frv/elf.h @@ -137,6 +137,6 @@ do { \ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif diff --git a/include/asm-m32r/elf.h b/include/asm-m32r/elf.h index 67bcd77494a5..0cc34c94bf2b 100644 --- a/include/asm-m32r/elf.h +++ b/include/asm-m32r/elf.h @@ -129,6 +129,6 @@ typedef elf_fpreg_t elf_fpregset_t; intent than poking at uname or /proc/cpuinfo. */ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif /* _ASM_M32R__ELF_H */ diff --git a/include/asm-m68k/elf.h b/include/asm-m68k/elf.h index 14ea42152b97..0b0f49eb876b 100644 --- a/include/asm-m68k/elf.h +++ b/include/asm-m68k/elf.h @@ -114,6 +114,6 @@ typedef struct user_m68kfp_struct elf_fpregset_t; #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif diff --git a/include/asm-mn10300/elf.h b/include/asm-mn10300/elf.h index 256a70466ca4..bf09f8bb392e 100644 --- a/include/asm-mn10300/elf.h +++ b/include/asm-mn10300/elf.h @@ -141,7 +141,7 @@ do { \ #define ELF_PLATFORM (NULL) #ifdef __KERNEL__ -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX) #endif #endif /* _ASM_ELF_H */ diff --git a/include/asm-parisc/elf.h b/include/asm-parisc/elf.h index d0a4a8262818..7fa675799e6d 100644 --- a/include/asm-parisc/elf.h +++ b/include/asm-parisc/elf.h @@ -236,7 +236,7 @@ typedef unsigned long elf_greg_t; #define ELF_PLATFORM ("PARISC\0") -#define SET_PERSONALITY(ex, ibcs2) \ +#define SET_PERSONALITY(ex) \ current->personality = PER_LINUX; \ current->thread.map_base = DEFAULT_MAP_BASE; \ current->thread.task_size = DEFAULT_TASK_SIZE \ diff --git a/include/asm-um/elf-i386.h b/include/asm-um/elf-i386.h index 23d6893e8617..d0da9d7c5371 100644 --- a/include/asm-um/elf-i386.h +++ b/include/asm-um/elf-i386.h @@ -86,7 +86,7 @@ extern long elf_aux_hwcap; extern char * elf_aux_platform; #define ELF_PLATFORM (elf_aux_platform) -#define SET_PERSONALITY(ex, ibcs2) do { } while (0) +#define SET_PERSONALITY(ex) do { } while (0) extern unsigned long vsyscall_ehdr; extern unsigned long vsyscall_end; diff --git a/include/asm-um/elf-ppc.h b/include/asm-um/elf-ppc.h index d3b90b7ac3e9..af9463cd8ce5 100644 --- a/include/asm-um/elf-ppc.h +++ b/include/asm-um/elf-ppc.h @@ -5,7 +5,7 @@ extern long elf_aux_hwcap; #define ELF_HWCAP (elf_aux_hwcap) -#define SET_PERSONALITY(ex, ibcs2) do ; while(0) +#define SET_PERSONALITY(ex) do ; while(0) #define ELF_EXEC_PAGESIZE 4096 diff --git a/include/asm-um/elf-x86_64.h b/include/asm-um/elf-x86_64.h index 3b2d5224a7e1..6e8a9195e952 100644 --- a/include/asm-um/elf-x86_64.h +++ b/include/asm-um/elf-x86_64.h @@ -114,6 +114,6 @@ extern long elf_aux_hwcap; #define ELF_PLATFORM "x86_64" -#define SET_PERSONALITY(ex, ibcs2) do ; while(0) +#define SET_PERSONALITY(ex) do ; while(0) #endif diff --git a/include/asm-x86/elf.h b/include/asm-x86/elf.h index 5c4745bec906..26bc15f01e78 100644 --- a/include/asm-x86/elf.h +++ b/include/asm-x86/elf.h @@ -186,7 +186,7 @@ do { \ set_fs(USER_DS); \ } while (0) -#define COMPAT_SET_PERSONALITY(ex, ibcs2) \ +#define COMPAT_SET_PERSONALITY(ex) \ do { \ if (test_thread_flag(TIF_IA32)) \ clear_thread_flag(TIF_ABI_PENDING); \ @@ -267,7 +267,7 @@ extern int force_personality32; For the moment, we have only optimizations for the Intel generations, but that could change... */ -#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit() +#define SET_PERSONALITY(ex) set_personality_64bit() /* * An executable for which elf_read_implies_exec() returns TRUE will diff --git a/include/asm-xtensa/elf.h b/include/asm-xtensa/elf.h index ca6e5101a2cb..c3f53e755ca5 100644 --- a/include/asm-xtensa/elf.h +++ b/include/asm-xtensa/elf.h @@ -189,7 +189,7 @@ typedef struct { #endif } elf_xtregs_t; -#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) +#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT) struct task_struct; -- GitLab From 769415c61191bc860f60c6edc3cb7cba24fb3218 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Thu, 16 Oct 2008 16:08:56 +0200 Subject: [PATCH 5057/6244] fuse: fix SEEK_END incorrectness Update file size before using it in lseek(..., SEEK_END). Reported-by: Amnon Shiloh Signed-off-by: Miklos Szeredi --- fs/fuse/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 2bada6bbc317..98079aa800e8 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1448,6 +1448,9 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin) mutex_lock(&inode->i_mutex); switch (origin) { case SEEK_END: + retval = fuse_update_attributes(inode, NULL, file, NULL); + if (retval) + return retval; offset += i_size_read(inode); break; case SEEK_CUR: -- GitLab From 17e18ab6ff6ec44e95514c7346d2cbd0363ef640 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 16 Oct 2008 16:08:56 +0200 Subject: [PATCH 5058/6244] fuse: add missing fuse_request_free The error handling code for the second call to fuse_request_alloc should include freeing the result of the first one. This bug was found by the Coccinelle project: http://www.emn.fr/x-info/coccinelle/ Signed-off-by: Julia Lawall Signed-off-by: Miklos Szeredi --- fs/fuse/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 6a84388cacff..54b1f0e1ef58 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -865,7 +865,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) if (is_bdev) { fc->destroy_req = fuse_request_alloc(); if (!fc->destroy_req) - goto err_put_root; + goto err_free_init_req; } mutex_lock(&fuse_mutex); @@ -895,6 +895,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) err_unlock: mutex_unlock(&fuse_mutex); + err_free_init_req: fuse_request_free(init_req); err_put_root: dput(root_dentry); -- GitLab From 37194d0723b9b68b4b299b2564ca99e3d0a094c3 Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Thu, 16 Oct 2008 16:08:57 +0200 Subject: [PATCH 5059/6244] fuse: config description improvement Make the short description of the FUSE_FS config option clearer. Signed-off-by: Robert P. J. Day Signed-off-by: Miklos Szeredi --- fs/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/Kconfig b/fs/Kconfig index 9e9d70c02a07..9c43045ebbf9 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -665,7 +665,7 @@ config AUTOFS4_FS N here. config FUSE_FS - tristate "Filesystem in Userspace support" + tristate "FUSE (Filesystem in Userspace) support" help With FUSE it is possible to implement a fully functional filesystem in a userspace program. -- GitLab From 29d434b39c807320fbe4bcdce0ab98a0b9fcb285 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 16 Oct 2008 16:08:57 +0200 Subject: [PATCH 5060/6244] fuse: add include protectors Add include protectors to include/linux/fuse.h and fs/fuse/fuse_i.h. Signed-off-by: Tejun Heo Signed-off-by: Miklos Szeredi --- fs/fuse/fuse_i.h | 5 +++++ include/linux/fuse.h | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 3a876076bdd1..35accfdd747f 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -6,6 +6,9 @@ See the file COPYING. */ +#ifndef _FS_FUSE_I_H +#define _FS_FUSE_I_H + #include #include #include @@ -655,3 +658,5 @@ void fuse_set_nowrite(struct inode *inode); void fuse_release_nowrite(struct inode *inode); u64 fuse_get_attr_version(struct fuse_conn *fc); + +#endif /* _FS_FUSE_I_H */ diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 265635dc9908..8bc1101e9b35 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -19,6 +19,9 @@ * - add file flags field to fuse_read_in and fuse_write_in */ +#ifndef _LINUX_FUSE_H +#define _LINUX_FUSE_H + #include #include @@ -409,3 +412,5 @@ struct fuse_dirent { #define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1)) #define FUSE_DIRENT_SIZE(d) \ FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen) + +#endif /* _LINUX_FUSE_H */ -- GitLab From a7c1b990f71574e077b94ce4582e2cf11cb891fe Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 16 Oct 2008 16:08:57 +0200 Subject: [PATCH 5061/6244] fuse: implement nonseekable open Let the client request nonseekable open using FOPEN_NONSEEKABLE and call nonseekable_open() on the file if requested. Signed-off-by: Tejun Heo Signed-off-by: Miklos Szeredi --- fs/fuse/file.c | 2 ++ include/linux/fuse.h | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 98079aa800e8..34930a964b82 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -101,6 +101,8 @@ void fuse_finish_open(struct inode *inode, struct file *file, file->f_op = &fuse_direct_io_file_operations; if (!(outarg->open_flags & FOPEN_KEEP_CACHE)) invalidate_inode_pages2(inode->i_mapping); + if (outarg->open_flags & FOPEN_NONSEEKABLE) + nonseekable_open(inode, file); ff->fh = outarg->fh; file->private_data = fuse_file_get(ff); } diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 8bc1101e9b35..350fe9767bbc 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -17,6 +17,9 @@ * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in * - add blksize field to fuse_attr * - add file flags field to fuse_read_in and fuse_write_in + * + * 7.10 + * - add nonseekable open flag */ #ifndef _LINUX_FUSE_H @@ -29,7 +32,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 9 +#define FUSE_KERNEL_MINOR_VERSION 10 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -101,9 +104,11 @@ struct fuse_file_lock { * * FOPEN_DIRECT_IO: bypass page cache for this open file * FOPEN_KEEP_CACHE: don't invalidate the data cache on open + * FOPEN_NONSEEKABLE: the file is not seekable */ #define FOPEN_DIRECT_IO (1 << 0) #define FOPEN_KEEP_CACHE (1 << 1) +#define FOPEN_NONSEEKABLE (1 << 2) /** * INIT request/reply flags -- GitLab From 17bc6c30cf6bfffd816bdc53682dd46fc34a2cf4 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Thu, 16 Oct 2008 10:09:17 -0400 Subject: [PATCH 5062/6244] vfs: Add no_nrwrite_index_update writeback control flag If no_nrwrite_index_update is set we don't update nr_to_write and address space writeback_index in write_cache_pages. This change enables a file system to skip these updates in write_cache_pages and do them in the writepages() callback. This patch will be followed by an ext4 patch that make use of these new flags. Signed-off-by: Aneesh Kumar K.V Signed-off-by: "Theodore Ts'o" CC: linux-fsdevel@vger.kernel.org --- include/linux/writeback.h | 9 +++++++++ mm/page-writeback.c | 10 +++++++--- 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index bd91987c065f..e585657e9831 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -63,6 +63,15 @@ struct writeback_control { unsigned for_writepages:1; /* This is a writepages() call */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ + /* + * write_cache_pages() won't update wbc->nr_to_write and + * mapping->writeback_index if no_nrwrite_index_update + * is set. write_cache_pages() may write more than we + * requested and we want to make sure nr_to_write and + * writeback_index are updated in a consistent manner + * so we use a single control to update them + */ + unsigned no_nrwrite_index_update:1; }; /* diff --git a/mm/page-writeback.c b/mm/page-writeback.c index e373f14d26f6..b40f6d5f8fe9 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -876,6 +876,7 @@ int write_cache_pages(struct address_space *mapping, pgoff_t end; /* Inclusive */ int scanned = 0; int range_whole = 0; + long nr_to_write = wbc->nr_to_write; if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; @@ -939,7 +940,7 @@ retry: unlock_page(page); ret = 0; } - if (ret || (--(wbc->nr_to_write) <= 0)) + if (ret || (--nr_to_write <= 0)) done = 1; if (wbc->nonblocking && bdi_write_congested(bdi)) { wbc->encountered_congestion = 1; @@ -958,8 +959,11 @@ retry: index = 0; goto retry; } - if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) - mapping->writeback_index = index; + if (!wbc->no_nrwrite_index_update) { + if (wbc->range_cyclic || (range_whole && nr_to_write > 0)) + mapping->writeback_index = index; + wbc->nr_to_write = nr_to_write; + } return ret; } -- GitLab From 22208dedbd7626e5fc4339c417f8d24cc21f79d7 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Thu, 16 Oct 2008 10:10:36 -0400 Subject: [PATCH 5063/6244] ext4: Fix file fragmentation during large file write. The range_cyclic writeback mode uses the address_space writeback_index as the start index for writeback. With delayed allocation we were updating writeback_index wrongly resulting in highly fragmented file. This patch reduces the number of extents reduced from 4000 to 27 for a 3GB file. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Theodore Ts'o --- fs/ext4/inode.c | 91 +++++++++++++++++++++++++++++++------------------ 1 file changed, 57 insertions(+), 34 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4ee3f0692eeb..27fc6b951221 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1648,6 +1648,7 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd) int ret = 0, err, nr_pages, i; unsigned long index, end; struct pagevec pvec; + long pages_skipped; BUG_ON(mpd->next_page <= mpd->first_page); pagevec_init(&pvec, 0); @@ -1655,7 +1656,6 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd) end = mpd->next_page - 1; while (index <= end) { - /* XXX: optimize tail */ /* * We can use PAGECACHE_TAG_DIRTY lookup here because * even though we have cleared the dirty flag on the page @@ -1673,8 +1673,13 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd) for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; + pages_skipped = mpd->wbc->pages_skipped; err = mapping->a_ops->writepage(page, mpd->wbc); - if (!err) + if (!err && (pages_skipped == mpd->wbc->pages_skipped)) + /* + * have successfully written the page + * without skipping the same + */ mpd->pages_written++; /* * In error case, we have to continue because @@ -2110,7 +2115,6 @@ static int mpage_da_writepages(struct address_space *mapping, struct writeback_control *wbc, struct mpage_da_data *mpd) { - long to_write; int ret; if (!mpd->get_block) @@ -2125,19 +2129,18 @@ static int mpage_da_writepages(struct address_space *mapping, mpd->pages_written = 0; mpd->retval = 0; - to_write = wbc->nr_to_write; - ret = write_cache_pages(mapping, wbc, __mpage_da_writepage, mpd); - /* * Handle last extent of pages */ if (!mpd->io_done && mpd->next_page != mpd->first_page) { if (mpage_da_map_blocks(mpd) == 0) mpage_da_submit_io(mpd); - } - wbc->nr_to_write = to_write - mpd->pages_written; + mpd->io_done = 1; + ret = MPAGE_DA_EXTENT_TAIL; + } + wbc->nr_to_write -= mpd->pages_written; return ret; } @@ -2366,11 +2369,14 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode) static int ext4_da_writepages(struct address_space *mapping, struct writeback_control *wbc) { + pgoff_t index; + int range_whole = 0; handle_t *handle = NULL; struct mpage_da_data mpd; struct inode *inode = mapping->host; + int no_nrwrite_index_update; + long pages_written = 0, pages_skipped; int needed_blocks, ret = 0, nr_to_writebump = 0; - long to_write, pages_skipped = 0; struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb); /* @@ -2390,16 +2396,26 @@ static int ext4_da_writepages(struct address_space *mapping, nr_to_writebump = sbi->s_mb_stream_request - wbc->nr_to_write; wbc->nr_to_write = sbi->s_mb_stream_request; } + if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) + range_whole = 1; - - pages_skipped = wbc->pages_skipped; + if (wbc->range_cyclic) + index = mapping->writeback_index; + else + index = wbc->range_start >> PAGE_CACHE_SHIFT; mpd.wbc = wbc; mpd.inode = mapping->host; -restart_loop: - to_write = wbc->nr_to_write; - while (!ret && to_write > 0) { + /* + * we don't want write_cache_pages to update + * nr_to_write and writeback_index + */ + no_nrwrite_index_update = wbc->no_nrwrite_index_update; + wbc->no_nrwrite_index_update = 1; + pages_skipped = wbc->pages_skipped; + + while (!ret && wbc->nr_to_write > 0) { /* * we insert one extent at a time. So we need @@ -2420,46 +2436,53 @@ restart_loop: dump_stack(); goto out_writepages; } - to_write -= wbc->nr_to_write; - mpd.get_block = ext4_da_get_block_write; ret = mpage_da_writepages(mapping, wbc, &mpd); ext4_journal_stop(handle); - if (mpd.retval == -ENOSPC) + if (mpd.retval == -ENOSPC) { + /* commit the transaction which would + * free blocks released in the transaction + * and try again + */ jbd2_journal_force_commit_nested(sbi->s_journal); - - /* reset the retry count */ - if (ret == MPAGE_DA_EXTENT_TAIL) { + wbc->pages_skipped = pages_skipped; + ret = 0; + } else if (ret == MPAGE_DA_EXTENT_TAIL) { /* * got one extent now try with * rest of the pages */ - to_write += wbc->nr_to_write; + pages_written += mpd.pages_written; + wbc->pages_skipped = pages_skipped; ret = 0; - } else if (wbc->nr_to_write) { + } else if (wbc->nr_to_write) /* * There is no more writeout needed * or we requested for a noblocking writeout * and we found the device congested */ - to_write += wbc->nr_to_write; break; - } - wbc->nr_to_write = to_write; - } - - if (!wbc->range_cyclic && (pages_skipped != wbc->pages_skipped)) { - /* We skipped pages in this loop */ - wbc->nr_to_write = to_write + - wbc->pages_skipped - pages_skipped; - wbc->pages_skipped = pages_skipped; - goto restart_loop; } + if (pages_skipped != wbc->pages_skipped) + printk(KERN_EMERG "This should not happen leaving %s " + "with nr_to_write = %ld ret = %d\n", + __func__, wbc->nr_to_write, ret); + + /* Update index */ + index += pages_written; + if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) + /* + * set the writeback_index so that range_cyclic + * mode will write it back later + */ + mapping->writeback_index = index; out_writepages: - wbc->nr_to_write = to_write - nr_to_writebump; + if (!no_nrwrite_index_update) + wbc->no_nrwrite_index_update = 0; + wbc->nr_to_write -= nr_to_writebump; return ret; } -- GitLab From 121e598f5d5a9cc7e3bbd203a5c97afa1c46c521 Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Thu, 16 Oct 2008 22:31:56 +0800 Subject: [PATCH 5064/6244] Blackfin arch: add read/write IO accessor functions to Blackfin This is to kill some compiling warning on DM9000 netdev driver. Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/io.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h index cbbf7ffdbbff..7dc77a21fdf3 100644 --- a/arch/blackfin/include/asm/io.h +++ b/arch/blackfin/include/asm/io.h @@ -134,6 +134,36 @@ extern void dma_insb(unsigned long port, void *addr, unsigned short count); extern void dma_insw(unsigned long port, void *addr, unsigned short count); extern void dma_insl(unsigned long port, void *addr, unsigned short count); +static inline void readsl(const void __iomem *addr, void *buf, int len) +{ + insl((unsigned long)addr, buf, len); +} + +static inline void readsw(const void __iomem *addr, void *buf, int len) +{ + insw((unsigned long)addr, buf, len); +} + +static inline void readsb(const void __iomem *addr, void *buf, int len) +{ + insb((unsigned long)addr, buf, len); +} + +static inline void writesl(const void __iomem *addr, const void *buf, int len) +{ + outsl((unsigned long)addr, buf, len); +} + +static inline void writesw(const void __iomem *addr, const void *buf, int len) +{ + outsw((unsigned long)addr, buf, len); +} + +static inline void writesb(const void __iomem *addr, const void *buf, int len) +{ + outsb((unsigned long)addr, buf, len); +} + /* * Map some physical address range into the kernel address space. */ -- GitLab From b4f5c58fd1de11f698d95beb1e67d5b8f97fbe66 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Thu, 16 Oct 2008 22:50:46 +0800 Subject: [PATCH 5065/6244] Blackfin arch: Zero out bss region in L1/L2 memory. Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/head.S | 54 ++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 3069df580729..f123a62e2451 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -206,6 +206,60 @@ ENTRY(_real_start) w[p0] = r0; ssync; +#if L1_DATA_A_LENGTH > 0 + r1.l = __sbss_l1; + r1.h = __sbss_l1; + r2.l = __ebss_l1; + r2.h = __ebss_l1; + r0 = 0 (z); + r2 = r2 - r1; + cc = r2 == 0; + if cc jump .L_a_l1_done; + r2 >>= 2; + p1 = r1; + p2 = r2; + lsetup (.L_clear_a_l1, .L_clear_a_l1 ) lc0 = p2; +.L_clear_a_l1: + [p1++] = r0; +.L_a_l1_done: +#endif + +#if L1_DATA_B_LENGTH > 0 + r1.l = __sbss_b_l1; + r1.h = __sbss_b_l1; + r2.l = __ebss_b_l1; + r2.h = __ebss_b_l1; + r0 = 0 (z); + r2 = r2 - r1; + cc = r2 == 0; + if cc jump .L_b_l1_done; + r2 >>= 2; + p1 = r1; + p2 = r2; + lsetup (.L_clear_b_l1, .L_clear_b_l1 ) lc0 = p2; +.L_clear_b_l1: + [p1++] = r0; +.L_b_l1_done: +#endif + +#if L2_LENGTH > 0 + r1.l = __sbss_l2; + r1.h = __sbss_l2; + r2.l = __ebss_l2; + r2.h = __ebss_l2; + r0 = 0 (z); + r2 = r2 - r1; + cc = r2 == 0; + if cc jump .L_l2_done; + r2 >>= 2; + p1 = r1; + p2 = r2; + lsetup (.L_clear_l2, .L_clear_l2 ) lc0 = p2; +.L_clear_l2: + [p1++] = r0; +.L_l2_done: +#endif + /* Zero out the bss region * Note: this will fail if bss is 0 bytes ... */ -- GitLab From 25db8ad5c56700e7716fe23426b16c5e3b1674b4 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 19 Aug 2008 20:49:40 -0700 Subject: [PATCH 5066/6244] serial, 8250: remove NR_IRQ usage Works on my test box with a quick test. Signed-off-by: Alan Cox Signed-off-by: Ingo Molnar --- drivers/serial/68328serial.c | 11 ++---- drivers/serial/8250.c | 67 +++++++++++++++++++++++++++++------- 2 files changed, 57 insertions(+), 21 deletions(-) diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index 381b12ac20e0..d935b2d04f93 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -66,7 +66,6 @@ #endif static struct m68k_serial m68k_soft[NR_PORTS]; -struct m68k_serial *IRQ_ports[NR_IRQS]; static unsigned int uart_irqs[NR_PORTS] = UART_IRQ_DEFNS; @@ -375,15 +374,11 @@ clear_and_return: */ irqreturn_t rs_interrupt(int irq, void *dev_id) { - struct m68k_serial * info; + struct m68k_serial *info = dev_id; m68328_uart *uart; unsigned short rx; unsigned short tx; - info = IRQ_ports[irq]; - if(!info) - return IRQ_NONE; - uart = &uart_addr[info->line]; rx = uart->urx.w; @@ -1383,8 +1378,6 @@ rs68328_init(void) info->port, info->irq); printk(" is a builtin MC68328 UART\n"); - IRQ_ports[info->irq] = info; /* waste of space */ - #ifdef CONFIG_M68VZ328 if (i > 0 ) PJSEL &= 0xCF; /* PSW enable second port output */ @@ -1393,7 +1386,7 @@ rs68328_init(void) if (request_irq(uart_irqs[i], rs_interrupt, IRQF_DISABLED, - "M68328_UART", NULL)) + "M68328_UART", info)) panic("Unable to attach 68328 serial interrupt\n"); } local_irq_restore(flags); diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index d3ca7d32abe0..c66bb44c4747 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -156,11 +156,15 @@ struct uart_8250_port { }; struct irq_info { - spinlock_t lock; + struct hlist_node node; + int irq; + spinlock_t lock; /* Protects list not the hash */ struct list_head *head; }; -static struct irq_info irq_lists[NR_IRQS]; +#define NR_IRQ_HASH 32 /* Can be adjusted later */ +static struct hlist_head irq_lists[NR_IRQ_HASH]; +static DEFINE_MUTEX(hash_mutex); /* Used to walk the hash */ /* * Here we define the default xmit fifo size used for each type of UART. @@ -1545,15 +1549,43 @@ static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up) BUG_ON(i->head != &up->list); i->head = NULL; } - spin_unlock_irq(&i->lock); + /* List empty so throw away the hash node */ + if (i->head == NULL) { + hlist_del(&i->node); + kfree(i); + } } static int serial_link_irq_chain(struct uart_8250_port *up) { - struct irq_info *i = irq_lists + up->port.irq; + struct hlist_head *h; + struct hlist_node *n; + struct irq_info *i; int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0; + mutex_lock(&hash_mutex); + + h = &irq_lists[up->port.irq % NR_IRQ_HASH]; + + hlist_for_each(n, h) { + i = hlist_entry(n, struct irq_info, node); + if (i->irq == up->port.irq) + break; + } + + if (n == NULL) { + i = kzalloc(sizeof(struct irq_info), GFP_KERNEL); + if (i == NULL) { + mutex_unlock(&hash_mutex); + return -ENOMEM; + } + spin_lock_init(&i->lock); + i->irq = up->port.irq; + hlist_add_head(&i->node, h); + } + mutex_unlock(&hash_mutex); + spin_lock_irq(&i->lock); if (i->head) { @@ -1577,14 +1609,28 @@ static int serial_link_irq_chain(struct uart_8250_port *up) static void serial_unlink_irq_chain(struct uart_8250_port *up) { - struct irq_info *i = irq_lists + up->port.irq; + struct irq_info *i; + struct hlist_node *n; + struct hlist_head *h; + mutex_lock(&hash_mutex); + + h = &irq_lists[up->port.irq % NR_IRQ_HASH]; + + hlist_for_each(n, h) { + i = hlist_entry(n, struct irq_info, node); + if (i->irq == up->port.irq) + break; + } + + BUG_ON(n == NULL); BUG_ON(i->head == NULL); if (list_empty(i->head)) free_irq(up->port.irq, i); serial_do_unlink(i, up); + mutex_unlock(&hash_mutex); } /* Base timer interval for polling */ @@ -2960,7 +3006,7 @@ EXPORT_SYMBOL(serial8250_unregister_port); static int __init serial8250_init(void) { - int ret, i; + int ret; if (nr_uarts > UART_NR) nr_uarts = UART_NR; @@ -2969,9 +3015,6 @@ static int __init serial8250_init(void) "%d ports, IRQ sharing %sabled\n", nr_uarts, share_irqs ? "en" : "dis"); - for (i = 0; i < NR_IRQS; i++) - spin_lock_init(&irq_lists[i].lock); - #ifdef CONFIG_SPARC ret = sunserial_register_minors(&serial8250_reg, UART_NR); #else @@ -2999,15 +3042,15 @@ static int __init serial8250_init(void) goto out; platform_device_del(serial8250_isa_devs); - put_dev: +put_dev: platform_device_put(serial8250_isa_devs); - unreg_uart_drv: +unreg_uart_drv: #ifdef CONFIG_SPARC sunserial_unregister_minors(&serial8250_reg, UART_NR); #else uart_unregister_driver(&serial8250_reg); #endif - out: +out: return ret; } -- GitLab From fe648be019119722ec0ac54e3a4b2e5bf5168589 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:41 -0700 Subject: [PATCH 5067/6244] x86: add after_bootmem flag for 32bit to prepare to use dyn_array support etc. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 8396868e82c5..91343c2694b4 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -66,6 +66,7 @@ static unsigned long __meminitdata table_end; static unsigned long __meminitdata table_top; static int __initdata after_init_bootmem; +int after_bootmem; static __init void *alloc_low_page(unsigned long *phys) { @@ -988,6 +989,8 @@ void __init mem_init(void) set_highmem_pages_init(); + after_bootmem = 1; + codesize = (unsigned long) &_etext - (unsigned long) &_text; datasize = (unsigned long) &_edata - (unsigned long) &_etext; initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; -- GitLab From 38395738f581ce9417402f28774a8c4650264a00 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:42 -0700 Subject: [PATCH 5068/6244] x86: remove irq_vectors_limits there's no user left. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/asm-x86/mach-generic/irq_vectors_limits.h | 14 -------------- include/asm-x86/summit/irq_vectors_limits.h | 14 -------------- 2 files changed, 28 deletions(-) delete mode 100644 include/asm-x86/mach-generic/irq_vectors_limits.h delete mode 100644 include/asm-x86/summit/irq_vectors_limits.h diff --git a/include/asm-x86/mach-generic/irq_vectors_limits.h b/include/asm-x86/mach-generic/irq_vectors_limits.h deleted file mode 100644 index f7870e1a220d..000000000000 --- a/include/asm-x86/mach-generic/irq_vectors_limits.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H -#define ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H - -/* - * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, - * even with uni-proc kernels, so use a big array. - * - * This value should be the same in both the generic and summit subarches. - * Change one, change 'em both. - */ -#define NR_IRQS 224 -#define NR_IRQ_VECTORS 1024 - -#endif /* ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H */ diff --git a/include/asm-x86/summit/irq_vectors_limits.h b/include/asm-x86/summit/irq_vectors_limits.h deleted file mode 100644 index 890ce3f5e09a..000000000000 --- a/include/asm-x86/summit/irq_vectors_limits.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _ASM_IRQ_VECTORS_LIMITS_H -#define _ASM_IRQ_VECTORS_LIMITS_H - -/* - * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs, - * even with uni-proc kernels, so use a big array. - * - * This value should be the same in both the generic and summit subarches. - * Change one, change 'em both. - */ -#define NR_IRQS 224 -#define NR_IRQ_VECTORS 1024 - -#endif /* _ASM_IRQ_VECTORS_LIMITS_H */ -- GitLab From 3ddfda11861d305b02ed810b522dcf48b74ca808 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:43 -0700 Subject: [PATCH 5069/6244] generic: add dyn_array support Allow crazy big arrays via bootmem at init stage. Architectures use CONFIG_HAVE_DYN_ARRAY to enable it. usage: | static struct irq_desc irq_desc_init __initdata = { | .status = IRQ_DISABLED, | .chip = &no_irq_chip, | .handle_irq = handle_bad_irq, | .depth = 1, | .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock), | #ifdef CONFIG_SMP | .affinity = CPU_MASK_ALL | #endif | }; | | static void __init init_work(void *data) | { | struct dyn_array *da = data; | struct irq_desc *desc; | int i; | | desc = *da->name; | | for (i = 0; i < *da->nr; i++) | memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc)); | } | | struct irq_desc *irq_desc; | DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); after pre_alloc_dyn_array() after setup_arch(), the array is ready to be used. Via this facility we can replace irq_desc[NR_IRQS] array with dyn_array irq_desc[nr_irqs]. v2: remove _nopanic in pre_alloc_dyn_array() Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/asm-generic/vmlinux.lds.h | 7 +++++++ include/linux/init.h | 23 +++++++++++++++++++++++ init/main.c | 24 ++++++++++++++++++++++++ 3 files changed, 54 insertions(+) diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7440a0dceddb..7881406c03ec 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -210,6 +210,13 @@ * All archs are supposed to use RO_DATA() */ #define RODATA RO_DATA(4096) +#define DYN_ARRAY_INIT(align) \ + . = ALIGN((align)); \ + .dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__dyn_array_start) = .; \ + *(.dyn_array.init) \ + VMLINUX_SYMBOL(__dyn_array_end) = .; \ + } #define SECURITY_INIT \ .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__security_initcall_start) = .; \ diff --git a/include/linux/init.h b/include/linux/init.h index 93538b696e3d..cf9fa7f174af 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -246,6 +246,29 @@ struct obs_kernel_param { /* Relies on boot_command_line being set */ void __init parse_early_param(void); + +struct dyn_array { + void **name; + unsigned long size; + unsigned int *nr; + unsigned long align; + void (*init_work)(void *); +}; +extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[]; + +#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ + static struct dyn_array __dyn_array_##nameX __initdata = \ + { .name = (void **)&nameX,\ + .size = sizeX,\ + .nr = &nrX,\ + .align = alignX,\ + .init_work = init_workX,\ + }; \ + static struct dyn_array *__dyn_array_ptr_##nameX __used \ + __attribute__((__section__(".dyn_array.init"))) = \ + &__dyn_array_##nameX + +extern void pre_alloc_dyn_array(void); #endif /* __ASSEMBLY__ */ /** diff --git a/init/main.c b/init/main.c index 27f6bf6108e9..638d3a786412 100644 --- a/init/main.c +++ b/init/main.c @@ -536,6 +536,29 @@ void __init __weak thread_info_cache_init(void) { } +void pre_alloc_dyn_array(void) +{ +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long size, phys = 0; + struct dyn_array **daa; + + for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("dyna_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx", + da->size, *da->nr, da->align); + *da->name = __alloc_bootmem(size, da->align, phys); + phys = virt_to_phys(*da->name); + printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); + + if (da->init_work) + da->init_work(da); + } +#endif +} + asmlinkage void __init start_kernel(void) { char * command_line; @@ -567,6 +590,7 @@ asmlinkage void __init start_kernel(void) printk(KERN_NOTICE); printk(linux_banner); setup_arch(&command_line); + pre_alloc_dyn_array(); mm_init_owner(&init_mm, &init_task); setup_command_line(command_line); unwind_setup(); -- GitLab From 1f3fcd4b1adc972d5c6a34cfed98931c46575b49 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:44 -0700 Subject: [PATCH 5070/6244] add per_cpu_dyn_array support allow dyn-array in per_cpu area, allocated dynamically. usage: | /* in .h */ | struct kernel_stat { | struct cpu_usage_stat cpustat; | unsigned int *irqs; | }; | | /* in .c */ | DEFINE_PER_CPU(struct kernel_stat, kstat); | | DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL); after setup_percpu()/per_cpu_alloc_dyn_array(), the dyn_array in per_cpu area is ready to use. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup_percpu.c | 7 +++- include/asm-generic/vmlinux.lds.h | 6 +++ include/linux/init.h | 27 +++++++++++-- init/main.c | 63 ++++++++++++++++++++++++++++++- 4 files changed, 96 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 0e67f72d9316..13ba7a83808d 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -140,7 +140,7 @@ static void __init setup_cpu_pda_map(void) */ void __init setup_per_cpu_areas(void) { - ssize_t size = PERCPU_ENOUGH_ROOM; + ssize_t size, old_size; char *ptr; int cpu; @@ -148,7 +148,8 @@ void __init setup_per_cpu_areas(void) setup_cpu_pda_map(); /* Copy section for each CPU (we discard the original) */ - size = PERCPU_ENOUGH_ROOM; + old_size = PERCPU_ENOUGH_ROOM; + size = old_size + per_cpu_dyn_array_size(); printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n", size); @@ -176,6 +177,8 @@ void __init setup_per_cpu_areas(void) per_cpu_offset(cpu) = ptr - __per_cpu_start; memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); + per_cpu_alloc_dyn_array(cpu, ptr + old_size); + } printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n", diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7881406c03ec..c68eda9d9a90 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -216,6 +216,12 @@ VMLINUX_SYMBOL(__dyn_array_start) = .; \ *(.dyn_array.init) \ VMLINUX_SYMBOL(__dyn_array_end) = .; \ + } \ + . = ALIGN((align)); \ + .per_cpu_dyn_array.init : AT(ADDR(.per_cpu_dyn_array.init) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__per_cpu_dyn_array_start) = .; \ + *(.per_cpu_dyn_array.init) \ + VMLINUX_SYMBOL(__per_cpu_dyn_array_end) = .; \ } #define SECURITY_INIT \ .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ diff --git a/include/linux/init.h b/include/linux/init.h index cf9fa7f174af..332806826b8e 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -255,12 +255,13 @@ struct dyn_array { void (*init_work)(void *); }; extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[]; +extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[]; -#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ +#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \ static struct dyn_array __dyn_array_##nameX __initdata = \ - { .name = (void **)&nameX,\ + { .name = (void **)&(nameX),\ .size = sizeX,\ - .nr = &nrX,\ + .nr = &(nrX),\ .align = alignX,\ .init_work = init_workX,\ }; \ @@ -268,7 +269,27 @@ extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[]; __attribute__((__section__(".dyn_array.init"))) = \ &__dyn_array_##nameX +#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ + DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX) + +#define DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \ + static struct dyn_array __per_cpu_dyn_array_##nameX __initdata = \ + { .name = (void **)&(addrX),\ + .size = sizeX,\ + .nr = &(nrX),\ + .align = alignX,\ + .init_work = init_workX,\ + }; \ + static struct dyn_array *__per_cpu_dyn_array_ptr_##nameX __used \ + __attribute__((__section__(".per_cpu_dyn_array.init"))) = \ + &__per_cpu_dyn_array_##nameX + +#define DEFINE_PER_CPU_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ + DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX) + extern void pre_alloc_dyn_array(void); +extern unsigned long per_cpu_dyn_array_size(void); +extern void per_cpu_alloc_dyn_array(int cpu, char *ptr); #endif /* __ASSEMBLY__ */ /** diff --git a/init/main.c b/init/main.c index 638d3a786412..416bca4f734f 100644 --- a/init/main.c +++ b/init/main.c @@ -391,17 +391,19 @@ EXPORT_SYMBOL(__per_cpu_offset); static void __init setup_per_cpu_areas(void) { - unsigned long size, i; + unsigned long size, i, old_size; char *ptr; unsigned long nr_possible_cpus = num_possible_cpus(); /* Copy section for each CPU (we discard the original) */ - size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE); + old_size = PERCPU_ENOUGH_ROOM; + size = ALIGN(old_size + per_cpu_dyn_array_size(), PAGE_SIZE); ptr = alloc_bootmem_pages(size * nr_possible_cpus); for_each_possible_cpu(i) { __per_cpu_offset[i] = ptr - __per_cpu_start; memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); + per_cpu_alloc_dyn_array(i, ptr + old_size); ptr += size; } } @@ -559,6 +561,63 @@ void pre_alloc_dyn_array(void) #endif } +unsigned long per_cpu_dyn_array_size(void) +{ + unsigned long total_size = 0; +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long size; + struct dyn_array **daa; + + for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", + da->size, *da->nr, da->align); + total_size += roundup(size, da->align); + } + if (total_size) + printk(KERN_DEBUG "per_cpu_dyna_array total_size: %#lx\n", + total_size); +#endif + return total_size; +} + +void per_cpu_alloc_dyn_array(int cpu, char *ptr) +{ +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long size, phys; + struct dyn_array **daa; + unsigned long addr; + void **array; + + phys = virt_to_phys(ptr); + + for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx", + da->size, *da->nr, da->align); + + phys = roundup(phys, da->align); + addr = (unsigned long)da->name; + addr += per_cpu_offset(cpu); + array = (void **)addr; + *array = phys_to_virt(phys); + *da->name = *array; /* so init_work could use it directly */ + printk(KERN_CONT " %p ==> [%#lx - %#lx]\n", array, phys, phys + size); + phys += size; + + if (da->init_work) { + da->init_work(da); + } + } +#endif +} + asmlinkage void __init start_kernel(void) { char * command_line; -- GitLab From 1f8ff037a871690c762d267d8a052529d3102fc9 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:45 -0700 Subject: [PATCH 5071/6244] x86: alloc dyn_array all together so could spare some memory with small alignment in bootmem also tighten the alignment checking, and make print out less debug info. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup_percpu.c | 16 ++++++--- include/linux/init.h | 2 +- init/main.c | 65 ++++++++++++++++++++++++++-------- 3 files changed, 62 insertions(+), 21 deletions(-) diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 13ba7a83808d..2b7dab699e83 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -140,26 +140,31 @@ static void __init setup_cpu_pda_map(void) */ void __init setup_per_cpu_areas(void) { - ssize_t size, old_size; + ssize_t size, old_size, da_size; char *ptr; int cpu; + unsigned long align = 1; /* Setup cpu_pda map */ setup_cpu_pda_map(); /* Copy section for each CPU (we discard the original) */ old_size = PERCPU_ENOUGH_ROOM; - size = old_size + per_cpu_dyn_array_size(); + da_size = per_cpu_dyn_array_size(&align); + align = max_t(unsigned long, PAGE_SIZE, align); + size = roundup(old_size + da_size, align); printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n", size); for_each_possible_cpu(cpu) { #ifndef CONFIG_NEED_MULTIPLE_NODES - ptr = alloc_bootmem_pages(size); + ptr = __alloc_bootmem(size, align, + __pa(MAX_DMA_ADDRESS)); #else int node = early_cpu_to_node(cpu); if (!node_online(node) || !NODE_DATA(node)) { - ptr = alloc_bootmem_pages(size); + ptr = __alloc_bootmem(size, align, + __pa(MAX_DMA_ADDRESS)); printk(KERN_INFO "cpu %d has no node %d or node-local memory\n", cpu, node); @@ -168,7 +173,8 @@ void __init setup_per_cpu_areas(void) cpu, __pa(ptr)); } else { - ptr = alloc_bootmem_pages_node(NODE_DATA(node), size); + ptr = __alloc_bootmem_node(NODE_DATA(node), size, align, + __pa(MAX_DMA_ADDRESS)); if (ptr) printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n", cpu, node, __pa(ptr)); diff --git a/include/linux/init.h b/include/linux/init.h index 332806826b8e..59fbb4aaba6a 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -288,7 +288,7 @@ extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[] DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX) extern void pre_alloc_dyn_array(void); -extern unsigned long per_cpu_dyn_array_size(void); +extern unsigned long per_cpu_dyn_array_size(unsigned long *align); extern void per_cpu_alloc_dyn_array(int cpu, char *ptr); #endif /* __ASSEMBLY__ */ diff --git a/init/main.c b/init/main.c index 416bca4f734f..ab97d0877acc 100644 --- a/init/main.c +++ b/init/main.c @@ -394,10 +394,14 @@ static void __init setup_per_cpu_areas(void) unsigned long size, i, old_size; char *ptr; unsigned long nr_possible_cpus = num_possible_cpus(); + unsigned long align = 1; + unsigned da_size; /* Copy section for each CPU (we discard the original) */ old_size = PERCPU_ENOUGH_ROOM; - size = ALIGN(old_size + per_cpu_dyn_array_size(), PAGE_SIZE); + da_size = per_cpu_dyn_array_size(&align); + align = max_t(unsigned long, PAGE_SIZE, align); + size = ALIGN(old_size + da_size, align); ptr = alloc_bootmem_pages(size * nr_possible_cpus); for_each_possible_cpu(i) { @@ -541,45 +545,78 @@ void __init __weak thread_info_cache_init(void) void pre_alloc_dyn_array(void) { #ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long size, phys = 0; + unsigned long total_size = 0, size, phys; + unsigned long max_align = 1; struct dyn_array **daa; + char *ptr; + /* get the total size at first */ for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { struct dyn_array *da = *daa; size = da->size * (*da->nr); - print_fn_descriptor_symbol("dyna_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx", + print_fn_descriptor_symbol("dyn_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", da->size, *da->nr, da->align); - *da->name = __alloc_bootmem(size, da->align, phys); - phys = virt_to_phys(*da->name); + total_size += roundup(size, da->align); + if (da->align > max_align) + max_align = da->align; + } + if (total_size) + printk(KERN_DEBUG "dyn_array total_size: %#lx\n", + total_size); + else + return; + + /* allocate them all together */ + max_align = max_t(unsigned long, max_align, PAGE_SIZE); + ptr = __alloc_bootmem_nopanic(total_size, max_align, 0); + if (!ptr) + panic("Can not alloc dyn_alloc\n"); + + phys = virt_to_phys(ptr); + for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("dyn_array %s ", da->name); + + phys = roundup(phys, da->align); + *da->name = phys_to_virt(phys); printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); + phys += size; + if (da->init_work) da->init_work(da); } #endif } -unsigned long per_cpu_dyn_array_size(void) +unsigned long per_cpu_dyn_array_size(unsigned long *align) { unsigned long total_size = 0; #ifdef CONFIG_HAVE_DYN_ARRAY unsigned long size; struct dyn_array **daa; + unsigned max_align = 1; for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { struct dyn_array *da = *daa; size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name); + print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", da->size, *da->nr, da->align); total_size += roundup(size, da->align); + if (da->align > max_align) + max_align = da->align; } - if (total_size) - printk(KERN_DEBUG "per_cpu_dyna_array total_size: %#lx\n", + if (total_size) { + printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n", total_size); + *align = max_align; + } #endif return total_size; } @@ -593,14 +630,11 @@ void per_cpu_alloc_dyn_array(int cpu, char *ptr) void **array; phys = virt_to_phys(ptr); - for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { struct dyn_array *da = *daa; size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx", - da->size, *da->nr, da->align); + print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); phys = roundup(phys, da->align); addr = (unsigned long)da->name; @@ -608,7 +642,8 @@ void per_cpu_alloc_dyn_array(int cpu, char *ptr) array = (void **)addr; *array = phys_to_virt(phys); *da->name = *array; /* so init_work could use it directly */ - printk(KERN_CONT " %p ==> [%#lx - %#lx]\n", array, phys, phys + size); + printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); + phys += size; if (da->init_work) { -- GitLab From 6da55c3e8da88e8a7cb6452160776ad6706798ad Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:46 -0700 Subject: [PATCH 5072/6244] x86: enable dyn_array support Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/Kconfig | 2 ++ arch/x86/Kconfig | 1 + arch/x86/kernel/vmlinux_32.lds.S | 1 + arch/x86/kernel/vmlinux_64.lds.S | 3 +++ 4 files changed, 7 insertions(+) diff --git a/arch/Kconfig b/arch/Kconfig index 0267babe5eb9..c1f9febb404f 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -103,3 +103,5 @@ config HAVE_CLK The calls support software clock gating and thus are a key power management tool on many systems. +config HAVE_DYN_ARRAY + def_bool n diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f65c2744d573..42f98009d752 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -33,6 +33,7 @@ config X86 select HAVE_ARCH_TRACEHOOK select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_DYN_ARRAY config ARCH_DEFCONFIG string diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S index a9b8560adbc2..c36007ab3940 100644 --- a/arch/x86/kernel/vmlinux_32.lds.S +++ b/arch/x86/kernel/vmlinux_32.lds.S @@ -145,6 +145,7 @@ SECTIONS *(.x86_cpu_dev.init) __x86_cpu_dev_end = .; } + DYN_ARRAY_INIT(8) SECURITY_INIT . = ALIGN(4); .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 46e05447405b..30973dbac8c2 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -173,6 +173,9 @@ SECTIONS *(.x86_cpu_dev.init) } __x86_cpu_dev_end = .; + + DYN_ARRAY_INIT(8) + SECURITY_INIT . = ALIGN(8); -- GitLab From 85c0f90978bf50596dbd23854648020f1f9b5bfd Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:47 -0700 Subject: [PATCH 5073/6244] irq: introduce nr_irqs at this point nr_irqs is equal NR_IRQS convert a few easy users from NR_IRQS to dynamic nr_irqs. v2: according to Eric, we need to take care of arch without generic_hardirqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/m68k/kernel/ints.c | 2 ++ arch/s390/kernel/irq.c | 2 ++ arch/sparc/kernel/irq.c | 3 +++ include/linux/interrupt.h | 2 ++ kernel/irq/autoprobe.c | 10 +++++----- kernel/irq/chip.c | 20 ++++++++++---------- kernel/irq/handle.c | 3 ++- kernel/irq/manage.c | 16 ++++++++-------- kernel/irq/proc.c | 2 +- kernel/irq/resend.c | 4 ++-- kernel/irq/spurious.c | 4 ++-- 11 files changed, 39 insertions(+), 29 deletions(-) diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 7e8a0d394e61..74453d15692e 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -46,6 +46,8 @@ #include #endif +int nr_irqs = NR_IRQS; + extern u32 auto_irqhandler_fixup[]; extern u32 user_irqhandler_fixup[]; extern u16 user_irqvec_fixup[]; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index e7c5bfb7c755..14eb5496c8a8 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -17,6 +17,8 @@ #include #include +int nr_irqs = NR_IRQS; + /* * show_interrupts is needed by /proc/interrupts. */ diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 93e1d1c65290..059598b7e0f0 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -55,6 +55,9 @@ #define SMP_NOP2 #define SMP_NOP3 #endif /* SMP */ + +int nr_irqs = NR_IRQS; + unsigned long __raw_local_irq_save(void) { unsigned long retval; diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 58ff4e74b2f3..511803853a5b 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -15,6 +15,8 @@ #include #include +extern int nr_irqs; + /* * These correspond to the IORESOURCE_IRQ_* defines in * linux/ioport.h to select the interrupt line behaviour. When diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index 533068cfb607..c689e9851a80 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -38,7 +38,7 @@ unsigned long probe_irq_on(void) * something may have generated an irq long ago and we want to * flush such a longstanding irq before considering it as spurious. */ - for (i = NR_IRQS-1; i > 0; i--) { + for (i = nr_irqs-1; i > 0; i--) { desc = irq_desc + i; spin_lock_irq(&desc->lock); @@ -68,7 +68,7 @@ unsigned long probe_irq_on(void) * (we must startup again here because if a longstanding irq * happened in the previous stage, it may have masked itself) */ - for (i = NR_IRQS-1; i > 0; i--) { + for (i = nr_irqs-1; i > 0; i--) { desc = irq_desc + i; spin_lock_irq(&desc->lock); @@ -89,7 +89,7 @@ unsigned long probe_irq_on(void) * Now filter out any obviously spurious interrupts */ mask = 0; - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { unsigned int status; desc = irq_desc + i; @@ -130,7 +130,7 @@ unsigned int probe_irq_mask(unsigned long val) int i; mask = 0; - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { struct irq_desc *desc = irq_desc + i; unsigned int status; @@ -173,7 +173,7 @@ int probe_irq_off(unsigned long val) { int i, irq_found = 0, nr_irqs = 0; - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { struct irq_desc *desc = irq_desc + i; unsigned int status; diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 5203a599d211..bba66e098703 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -27,7 +27,7 @@ void dynamic_irq_init(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); return; } @@ -60,7 +60,7 @@ void dynamic_irq_cleanup(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq); return; } @@ -92,7 +92,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq); return -EINVAL; } @@ -121,7 +121,7 @@ int set_irq_type(unsigned int irq, unsigned int type) unsigned long flags; int ret = -ENXIO; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq); return -ENODEV; } @@ -149,7 +149,7 @@ int set_irq_data(unsigned int irq, void *data) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to install controller data for IRQ%d\n", irq); return -EINVAL; @@ -175,7 +175,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to install msi data for IRQ%d\n", irq); return -EINVAL; @@ -201,7 +201,7 @@ int set_irq_chip_data(unsigned int irq, void *data) struct irq_desc *desc = irq_desc + irq; unsigned long flags; - if (irq >= NR_IRQS || !desc->chip) { + if (irq >= nr_irqs || !desc->chip) { printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq); return -EINVAL; } @@ -545,7 +545,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to install type control for IRQ%d\n", irq); return; @@ -610,7 +610,7 @@ void __init set_irq_noprobe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq); return; @@ -628,7 +628,7 @@ void __init set_irq_probe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq); return; diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index f4c8a03a9fbb..e9d022cf593e 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -47,6 +47,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc) * * Controller mappings for all interrupt sources: */ +int nr_irqs = NR_IRQS; struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { .status = IRQ_DISABLED, @@ -265,7 +266,7 @@ void early_init_irq_lock_class(void) { int i; - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class); } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index d363f32dba7d..d5a4333d8f1f 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -34,7 +34,7 @@ void synchronize_irq(unsigned int irq) struct irq_desc *desc = irq_desc + irq; unsigned int status; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return; do { @@ -143,7 +143,7 @@ void disable_irq_nosync(unsigned int irq) struct irq_desc *desc = irq_desc + irq; unsigned long flags; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return; spin_lock_irqsave(&desc->lock, flags); @@ -171,7 +171,7 @@ void disable_irq(unsigned int irq) { struct irq_desc *desc = irq_desc + irq; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return; disable_irq_nosync(irq); @@ -214,7 +214,7 @@ void enable_irq(unsigned int irq) struct irq_desc *desc = irq_desc + irq; unsigned long flags; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return; spin_lock_irqsave(&desc->lock, flags); @@ -290,7 +290,7 @@ int can_request_irq(unsigned int irq, unsigned long irqflags) { struct irqaction *action; - if (irq >= NR_IRQS || irq_desc[irq].status & IRQ_NOREQUEST) + if (irq >= nr_irqs || irq_desc[irq].status & IRQ_NOREQUEST) return 0; action = irq_desc[irq].action; @@ -356,7 +356,7 @@ int setup_irq(unsigned int irq, struct irqaction *new) int shared = 0; int ret; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return -EINVAL; if (desc->chip == &no_irq_chip) @@ -515,7 +515,7 @@ void free_irq(unsigned int irq, void *dev_id) unsigned long flags; WARN_ON(in_interrupt()); - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return; desc = irq_desc + irq; @@ -630,7 +630,7 @@ int request_irq(unsigned int irq, irq_handler_t handler, */ if ((irqflags & IRQF_SHARED) && !dev_id) return -EINVAL; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) return -EINVAL; if (irq_desc[irq].status & IRQ_NOREQUEST) return -EINVAL; diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index a09dd29c2fd7..e5225a65a4f9 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -240,7 +240,7 @@ void init_irq_proc(void) /* * Create entries for all existing IRQs. */ - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) register_irq_proc(i); } diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index a8046791ba2d..cba8aa5bc7f4 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -33,8 +33,8 @@ static void resend_irqs(unsigned long arg) struct irq_desc *desc; int irq; - while (!bitmap_empty(irqs_resend, NR_IRQS)) { - irq = find_first_bit(irqs_resend, NR_IRQS); + while (!bitmap_empty(irqs_resend, nr_irqs)) { + irq = find_first_bit(irqs_resend, nr_irqs); clear_bit(irq, irqs_resend); desc = irq_desc + irq; local_irq_disable(); diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 19fe9d6ebfe8..e26ca1e90c08 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -91,7 +91,7 @@ static int misrouted_irq(int irq) int i; int ok = 0; - for (i = 1; i < NR_IRQS; i++) { + for (i = 1; i < nr_irqs; i++) { struct irq_desc *desc = irq_desc + i; if (i == irq) /* Already tried */ @@ -107,7 +107,7 @@ static int misrouted_irq(int irq) static void poll_spurious_irqs(unsigned long dummy) { int i; - for (i = 1; i < NR_IRQS; i++) { + for (i = 1; i < nr_irqs; i++) { struct irq_desc *desc = irq_desc + i; unsigned int status; -- GitLab From 0799e432acfda879eaeef9622426bfa1434f3786 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:48 -0700 Subject: [PATCH 5074/6244] x86: use nr_irqs also add first_free_entry and pin_map_size, which were NR_IRQS derived constants. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 26 ++++++++++++++------------ arch/x86/kernel/io_apic_64.c | 33 +++++++++++++++++---------------- arch/x86/kernel/irq_32.c | 8 ++++---- arch/x86/kernel/irq_64.c | 8 ++++---- arch/x86/kernel/irqinit_32.c | 2 +- arch/x86/kernel/irqinit_64.c | 2 +- include/asm-x86/irq.h | 3 +++ 7 files changed, 44 insertions(+), 38 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index e710289f673e..d382990244f0 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -70,6 +70,7 @@ int timer_through_8259 __initdata; */ int sis_apic_bug = -1; +int first_free_entry = NR_IRQS; /* * # of IRQ routing registers */ @@ -100,6 +101,8 @@ static int disable_timer_pin_1 __initdata; #define MAX_PLUS_SHARED_IRQS NR_IRQS #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) +int pin_map_size = PIN_MAP_SIZE; + /* * This is performance-critical, we want to do it O(1) * @@ -213,7 +216,6 @@ static void ioapic_mask_entry(int apic, int pin) */ static void add_pin_to_irq(unsigned int irq, int apic, int pin) { - static int first_free_entry = NR_IRQS; struct irq_pin_list *entry = irq_2_pin + irq; while (entry->next) @@ -222,7 +224,7 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) if (entry->pin != -1) { entry->next = first_free_entry; entry = irq_2_pin + entry->next; - if (++first_free_entry >= PIN_MAP_SIZE) + if (++first_free_entry >= pin_map_size) panic("io_apic.c: whoops"); } entry->apic = apic; @@ -457,7 +459,7 @@ static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold) int i, j; for_each_online_cpu(i) { - for (j = 0; j < NR_IRQS; j++) { + for (j = 0; j < nr_irqs; j++) { if (!irq_desc[j].action) continue; /* Is it a significant load ? */ @@ -492,7 +494,7 @@ static void do_irq_balance(void) if (!cpu_online(i)) continue; package_index = CPU_TO_PACKAGEINDEX(i); - for (j = 0; j < NR_IRQS; j++) { + for (j = 0; j < nr_irqs; j++) { unsigned long value_now, delta; /* Is this an active IRQ or balancing disabled ? */ if (!irq_desc[j].action || irq_balancing_disabled(j)) @@ -587,7 +589,7 @@ tryanotherirq: */ move_this_load = 0; selected_irq = -1; - for (j = 0; j < NR_IRQS; j++) { + for (j = 0; j < nr_irqs; j++) { /* Is this an active IRQ? */ if (!irq_desc[j].action) continue; @@ -664,7 +666,7 @@ static int balanced_irq(void *unused) long time_remaining = balanced_irq_interval; /* push everything to CPU 0 to give us a starting point. */ - for (i = 0 ; i < NR_IRQS ; i++) { + for (i = 0 ; i < nr_irqs ; i++) { irq_desc[i].pending_mask = cpumask_of_cpu(0); set_pending_irq(i, cpumask_of_cpu(0)); } @@ -712,8 +714,8 @@ static int __init balanced_irq_init(void) physical_balance = 1; for_each_online_cpu(i) { - irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL); - irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL); + irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL); + irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL); if (irq_cpu_data[i].irq_delta == NULL || irq_cpu_data[i].last_irq == NULL) { printk(KERN_ERR "balanced_irq_init: out of memory"); goto failed; @@ -1441,7 +1443,7 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { struct irq_pin_list *entry = irq_2_pin + i; if (entry->pin < 0) continue; @@ -1621,7 +1623,7 @@ static void __init enable_IO_APIC(void) int i, apic; unsigned long flags; - for (i = 0; i < PIN_MAP_SIZE; i++) { + for (i = 0; i < pin_map_size; i++) { irq_2_pin[i].pin = -1; irq_2_pin[i].next = 0; } @@ -2005,7 +2007,7 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for (irq = 0; irq < NR_IRQS ; irq++) { + for (irq = 0; irq < nr_irqs ; irq++) { if (IO_APIC_IRQ(irq) && !irq_vector[irq]) { /* * Hmm.. We don't have an entry for this, @@ -2449,7 +2451,7 @@ int create_irq(void) irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); - for (new = (NR_IRQS - 1); new >= 0; new--) { + for (new = (nr_irqs - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; if (irq_vector[new] != 0) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 02063ae042f7..448384c7c1e8 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -132,6 +132,7 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); #define MAX_PLUS_SHARED_IRQS NR_IRQS #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) +int pin_map_size = PIN_MAP_SIZE; /* * This is performance-critical, we want to do it O(1) * @@ -224,7 +225,7 @@ static inline void io_apic_sync(unsigned int apic) int pin; \ struct irq_pin_list *entry = irq_2_pin + irq; \ \ - BUG_ON(irq >= NR_IRQS); \ + BUG_ON(irq >= nr_irqs); \ for (;;) { \ unsigned int reg; \ pin = entry->pin; \ @@ -301,7 +302,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) int apic, pin; struct irq_pin_list *entry = irq_2_pin + irq; - BUG_ON(irq >= NR_IRQS); + BUG_ON(irq >= nr_irqs); for (;;) { unsigned int reg; apic = entry->apic; @@ -358,19 +359,19 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) * shared ISA-space IRQs, so we have to support them. We are super * fast in the common case, and fast for shared ISA-space IRQs. */ +int first_free_entry = NR_IRQS; static void add_pin_to_irq(unsigned int irq, int apic, int pin) { - static int first_free_entry = NR_IRQS; struct irq_pin_list *entry = irq_2_pin + irq; - BUG_ON(irq >= NR_IRQS); + BUG_ON(irq >= nr_irqs); while (entry->next) entry = irq_2_pin + entry->next; if (entry->pin != -1) { entry->next = first_free_entry; entry = irq_2_pin + entry->next; - if (++first_free_entry >= PIN_MAP_SIZE) + if (++first_free_entry >= pin_map_size) panic("io_apic.c: ran out of irq_2_pin entries!"); } entry->apic = apic; @@ -634,7 +635,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) best_guess = irq; } } - BUG_ON(best_guess >= NR_IRQS); + BUG_ON(best_guess >= nr_irqs); return best_guess; } @@ -766,7 +767,7 @@ static int pin_2_irq(int idx, int apic, int pin) irq += nr_ioapic_registers[i++]; irq += pin; } - BUG_ON(irq >= NR_IRQS); + BUG_ON(irq >= nr_irqs); return irq; } @@ -801,7 +802,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask) int cpu; struct irq_cfg *cfg; - BUG_ON((unsigned)irq >= NR_IRQS); + BUG_ON((unsigned)irq >= nr_irqs); cfg = &irq_cfg[irq]; /* Only try and allocate irqs on cpus that are present */ @@ -875,7 +876,7 @@ static void __clear_irq_vector(int irq) cpumask_t mask; int cpu, vector; - BUG_ON((unsigned)irq >= NR_IRQS); + BUG_ON((unsigned)irq >= nr_irqs); cfg = &irq_cfg[irq]; BUG_ON(!cfg->vector); @@ -895,7 +896,7 @@ void __setup_vector_irq(int cpu) int irq, vector; /* Mark the inuse vectors */ - for (irq = 0; irq < NR_IRQS; ++irq) { + for (irq = 0; irq < nr_irqs; ++irq) { if (!cpu_isset(cpu, irq_cfg[irq].domain)) continue; vector = irq_cfg[irq].vector; @@ -1193,7 +1194,7 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { struct irq_pin_list *entry = irq_2_pin + i; if (entry->pin < 0) continue; @@ -1366,7 +1367,7 @@ void __init enable_IO_APIC(void) int i, apic; unsigned long flags; - for (i = 0; i < PIN_MAP_SIZE; i++) { + for (i = 0; i < pin_map_size; i++) { irq_2_pin[i].pin = -1; irq_2_pin[i].next = 0; } @@ -1658,7 +1659,7 @@ static void ir_irq_migration(struct work_struct *work) { int irq; - for (irq = 0; irq < NR_IRQS; irq++) { + for (irq = 0; irq < nr_irqs; irq++) { struct irq_desc *desc = irq_desc + irq; if (desc->status & IRQ_MOVE_PENDING) { unsigned long flags; @@ -1707,7 +1708,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) struct irq_desc *desc; struct irq_cfg *cfg; irq = __get_cpu_var(vector_irq)[vector]; - if (irq >= NR_IRQS) + if (irq >= nr_irqs) continue; desc = irq_desc + irq; @@ -1865,7 +1866,7 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for (irq = 0; irq < NR_IRQS ; irq++) { + for (irq = 0; irq < nr_irqs ; irq++) { if (IO_APIC_IRQ(irq) && !irq_cfg[irq].vector) { /* * Hmm.. We don't have an entry for this, @@ -2279,7 +2280,7 @@ int create_irq(void) irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); - for (new = (NR_IRQS - 1); new >= 0; new--) { + for (new = (nr_irqs - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; if (irq_cfg[new].vector != 0) diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index b71e02d42f4f..4c7ffb32854c 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -226,7 +226,7 @@ unsigned int do_IRQ(struct pt_regs *regs) int overflow, irq = ~regs->orig_ax; struct irq_desc *desc = irq_desc + irq; - if (unlikely((unsigned)irq >= NR_IRQS)) { + if (unlikely((unsigned)irq >= nr_irqs)) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", __func__, irq); BUG(); @@ -271,7 +271,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i < NR_IRQS) { + if (i < nr_irqs) { unsigned any_count = 0; spin_lock_irqsave(&irq_desc[i].lock, flags); @@ -303,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } else if (i == NR_IRQS) { + } else if (i == nr_irqs) { seq_printf(p, "NMI: "); for_each_online_cpu(j) seq_printf(p, "%10u ", nmi_count(j)); @@ -396,7 +396,7 @@ void fixup_irqs(cpumask_t map) unsigned int irq; static int warned; - for (irq = 0; irq < NR_IRQS; irq++) { + for (irq = 0; irq < nr_irqs; irq++) { cpumask_t mask; if (irq == 2) continue; diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index f065fe9071b9..e1f0839430d2 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -81,7 +81,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i < NR_IRQS) { + if (i < nr_irqs) { unsigned any_count = 0; spin_lock_irqsave(&irq_desc[i].lock, flags); @@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } else if (i == NR_IRQS) { + } else if (i == nr_irqs) { seq_printf(p, "NMI: "); for_each_online_cpu(j) seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); @@ -201,7 +201,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) stack_overflow_check(regs); #endif - if (likely(irq < NR_IRQS)) + if (likely(irq < nr_irqs)) generic_handle_irq(irq); else { if (!disable_apic) @@ -224,7 +224,7 @@ void fixup_irqs(cpumask_t map) unsigned int irq; static int warned; - for (irq = 0; irq < NR_IRQS; irq++) { + for (irq = 0; irq < nr_irqs; irq++) { cpumask_t mask; int break_affinity = 0; int set_affinity = 1; diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 9200a1e2752d..65c1c9507707 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -100,7 +100,7 @@ void __init native_init_IRQ(void) */ for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) { int vector = FIRST_EXTERNAL_VECTOR + i; - if (i >= NR_IRQS) + if (i >= nr_irqs) break; /* SYSCALL_VECTOR was reserved in trap_init. */ if (!test_bit(vector, used_vectors)) diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 5b5be9d43c2a..165c5d9b0d1a 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -142,7 +142,7 @@ void __init init_ISA_irqs(void) init_bsp_APIC(); init_8259A(0); - for (i = 0; i < NR_IRQS; i++) { + for (i = 0; i < nr_irqs; i++) { irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = NULL; irq_desc[i].depth = 1; diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h index 1e5f2909c1db..2a130c44f5de 100644 --- a/include/asm-x86/irq.h +++ b/include/asm-x86/irq.h @@ -10,6 +10,9 @@ #include #include +extern int pin_map_size; +extern int first_free_entry; + static inline int irq_canonicalize(int irq) { return ((irq == 2) ? 9 : irq); -- GitLab From 1f45f5621df82033cb4964d03530ade2f9a25e7b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:49 -0700 Subject: [PATCH 5075/6244] drivers/char: use nr_irqs convert them to nr_irqs. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/char/hpet.c | 2 +- drivers/char/random.c | 4 ++-- drivers/char/vr41xx_giu.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index f3cfb4c76125..408f5f92cb4e 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -219,7 +219,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp) for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ; irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) { - if (irq >= NR_IRQS) { + if (irq >= nr_irqs) { irq = HPET_MAX_IRQ; break; } diff --git a/drivers/char/random.c b/drivers/char/random.c index 6af435b89867..31456472829e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -648,7 +648,7 @@ EXPORT_SYMBOL_GPL(add_input_randomness); void add_interrupt_randomness(int irq) { - if (irq >= NR_IRQS || irq_timer_state[irq] == NULL) + if (irq >= nr_irqs || irq_timer_state[irq] == NULL) return; DEBUG_ENT("irq event %d\n", irq); @@ -912,7 +912,7 @@ void rand_initialize_irq(int irq) { struct timer_rand_state *state; - if (irq >= NR_IRQS || irq_timer_state[irq]) + if (irq >= nr_irqs || irq_timer_state[irq]) return; /* diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index ffe9b4e3072e..54c837288d19 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -641,7 +641,7 @@ static int __devinit giu_probe(struct platform_device *dev) } irq = platform_get_irq(dev, 0); - if (irq < 0 || irq >= NR_IRQS) + if (irq < 0 || irq >= nr_irqs) return -EBUSY; return cascade_irq(irq, giu_get_irq); -- GitLab From 60e4ad7a72fd7ce562cdf8dd850289e1e76bc1b1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:50 -0700 Subject: [PATCH 5076/6244] drivers/net: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/net/3c59x.c | 4 ++-- drivers/net/hamradio/baycom_ser_fdx.c | 4 ++-- drivers/net/hamradio/scc.c | 6 +++--- drivers/net/wan/sbni.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 491ee16da5c1..9ba295d9dd97 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -90,7 +90,7 @@ static int vortex_debug = 1; #include #include #include -#include /* For NR_IRQS only. */ +#include /* For nr_irqs only. */ #include #include @@ -1221,7 +1221,7 @@ static int __devinit vortex_probe1(struct device *gendev, if (print_info) printk(", IRQ %d\n", dev->irq); /* Tell them about an invalid IRQ. */ - if (dev->irq <= 0 || dev->irq >= NR_IRQS) + if (dev->irq <= 0 || dev->irq >= nr_irqs) printk(KERN_WARNING " *** Warning: IRQ %d is unlikely to work! ***\n", dev->irq); diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c index 17ac6975d70d..b6a816e60c0f 100644 --- a/drivers/net/hamradio/baycom_ser_fdx.c +++ b/drivers/net/hamradio/baycom_ser_fdx.c @@ -416,10 +416,10 @@ static int ser12_open(struct net_device *dev) if (!dev || !bc) return -ENXIO; if (!dev->base_addr || dev->base_addr > 0xffff-SER12_EXTENT || - dev->irq < 2 || dev->irq > NR_IRQS) { + dev->irq < 2 || dev->irq > nr_irqs) { printk(KERN_INFO "baycom_ser_fdx: invalid portnumber (max %u) " "or irq (2 <= irq <= %d)\n", - 0xffff-SER12_EXTENT, NR_IRQS); + 0xffff-SER12_EXTENT, nr_irqs); return -ENXIO; } if (bc->baud < 300 || bc->baud > 4800) { diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c index 45ae9d1191d7..c17e39bc5460 100644 --- a/drivers/net/hamradio/scc.c +++ b/drivers/net/hamradio/scc.c @@ -1465,7 +1465,7 @@ static void z8530_init(void) printk(KERN_INFO "Init Z8530 driver: %u channels, IRQ", Nchips*2); flag=" "; - for (k = 0; k < NR_IRQS; k++) + for (k = 0; k < nr_irqs; k++) if (Ivec[k].used) { printk("%s%d", flag, k); @@ -1728,7 +1728,7 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) if (hwcfg.irq == 2) hwcfg.irq = 9; - if (hwcfg.irq < 0 || hwcfg.irq >= NR_IRQS) + if (hwcfg.irq < 0 || hwcfg.irq >= nr_irqs) return -EINVAL; if (!Ivec[hwcfg.irq].used && hwcfg.irq) @@ -2148,7 +2148,7 @@ static void __exit scc_cleanup_driver(void) } /* To unload the port must be closed so no real IRQ pending */ - for (k=0; k < NR_IRQS ; k++) + for (k = 0; k < nr_irqs ; k++) if (Ivec[k].used) free_irq(k, NULL); local_irq_enable(); diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c index f972fef87c98..ee51b6a5e605 100644 --- a/drivers/net/wan/sbni.c +++ b/drivers/net/wan/sbni.c @@ -318,7 +318,7 @@ sbni_pci_probe( struct net_device *dev ) continue; } - if( pci_irq_line <= 0 || pci_irq_line >= NR_IRQS ) + if (pci_irq_line <= 0 || pci_irq_line >= nr_irqs) printk( KERN_WARNING " WARNING: The PCI BIOS assigned " "this PCI card to IRQ %d, which is unlikely " "to work!.\n" -- GitLab From a06148c36d3163aee4d5d2cad4e87032d74eaa6d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:51 -0700 Subject: [PATCH 5077/6244] drivers/pci/ intr remapping: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/intr_remapping.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index bb642cc5e18c..980566e3352b 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -22,7 +22,7 @@ static DEFINE_SPINLOCK(irq_2_ir_lock); int irq_remapped(int irq) { - if (irq > NR_IRQS) + if (irq > nr_irqs) return 0; if (!irq_2_iommu[irq].iommu) @@ -35,7 +35,7 @@ int get_irte(int irq, struct irte *entry) { int index; - if (!entry || irq > NR_IRQS) + if (!entry || irq > nr_irqs) return -1; spin_lock(&irq_2_ir_lock); @@ -126,7 +126,7 @@ int map_irq_to_irte_handle(int irq, u16 *sub_handle) int index; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } @@ -140,7 +140,7 @@ int map_irq_to_irte_handle(int irq, u16 *sub_handle) int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) { spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } @@ -158,7 +158,7 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index) { spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } @@ -180,7 +180,7 @@ int modify_irte(int irq, struct irte *irte_modified) struct intel_iommu *iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } @@ -205,7 +205,7 @@ int flush_irte(int irq) struct intel_iommu *iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } @@ -248,7 +248,7 @@ int free_irte(int irq) struct intel_iommu *iommu; spin_lock(&irq_2_ir_lock); - if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) { + if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { spin_unlock(&irq_2_ir_lock); return -1; } -- GitLab From 9130addad2fb2bbe1847f13c838438ff10a66d3a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:52 -0700 Subject: [PATCH 5078/6244] drivers/pcmcia: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pcmcia/at91_cf.c | 2 +- drivers/pcmcia/vrc4171_card.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index a0ffb8ebfe00..9e1140f085fd 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -273,7 +273,7 @@ static int __init at91_cf_probe(struct platform_device *pdev) goto fail0d; cf->socket.pci_irq = board->irq_pin; } else - cf->socket.pci_irq = NR_IRQS + 1; + cf->socket.pci_irq = nr_irqs + 1; /* pcmcia layer only remaps "real" memory not iospace */ cf->socket.io_offset = (unsigned long) diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c index eee2f1cb213c..b2c412419059 100644 --- a/drivers/pcmcia/vrc4171_card.c +++ b/drivers/pcmcia/vrc4171_card.c @@ -639,7 +639,7 @@ static int __devinit vrc4171_card_setup(char *options) int irq; options += 4; irq = simple_strtoul(options, &options, 0); - if (irq >= 0 && irq < NR_IRQS) + if (irq >= 0 && irq < nr_irqs) vrc4171_irq = irq; if (*options != ',') -- GitLab From c7576b5b339f08c7346591c71a330b08f8b9943f Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:53 -0700 Subject: [PATCH 5079/6244] drivers/rtc: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/rtc/rtc-vr41xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index 884b635f028b..834dcc6d785f 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -360,7 +360,7 @@ static int __devinit rtc_probe(struct platform_device *pdev) spin_unlock_irq(&rtc_lock); aie_irq = platform_get_irq(pdev, 0); - if (aie_irq < 0 || aie_irq >= NR_IRQS) { + if (aie_irq < 0 || aie_irq >= nr_irqs) { retval = -EBUSY; goto err_device_unregister; } @@ -371,7 +371,7 @@ static int __devinit rtc_probe(struct platform_device *pdev) goto err_device_unregister; pie_irq = platform_get_irq(pdev, 1); - if (pie_irq < 0 || pie_irq >= NR_IRQS) + if (pie_irq < 0 || pie_irq >= nr_irqs) goto err_free_irq; retval = request_irq(pie_irq, rtclong1_interrupt, IRQF_DISABLED, -- GitLab From 171ac6ae94e31d0fcb5ae922efd4a77a7e48b4e5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:54 -0700 Subject: [PATCH 5080/6244] drivers/scsi: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/scsi/aha152x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index b5a868d85eb4..1e5478abd90e 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -337,7 +337,7 @@ CMD_INC_RESID(struct scsi_cmnd *cmd, int inc) #else #define IRQ_MIN 9 #if defined(__PPC) -#define IRQ_MAX (NR_IRQS-1) +#define IRQ_MAX (nr_irqs-1) #else #define IRQ_MAX 12 #endif -- GitLab From a62c41337356989387d15020dc0f0288aaacfa44 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:55 -0700 Subject: [PATCH 5081/6244] drivers/serial: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/serial/8250.c | 2 +- drivers/serial/amba-pl010.c | 2 +- drivers/serial/amba-pl011.c | 2 +- drivers/serial/cpm_uart/cpm_uart_core.c | 2 +- drivers/serial/m32r_sio.c | 4 ++-- drivers/serial/serial_core.c | 2 +- drivers/serial/serial_lh7a40x.c | 2 +- drivers/serial/sh-sci.c | 2 +- drivers/serial/ucc_uart.c | 2 +- 9 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index c66bb44c4747..006617e2211d 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2486,7 +2486,7 @@ static void serial8250_config_port(struct uart_port *port, int flags) static int serial8250_verify_port(struct uart_port *port, struct serial_struct *ser) { - if (ser->irq >= NR_IRQS || ser->irq < 0 || + if (ser->irq >= nr_irqs || ser->irq < 0 || ser->baud_base < 9600 || ser->type < PORT_UNKNOWN || ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS || ser->type == PORT_STARTECH) diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 90b56c2c31e2..71562689116f 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -512,7 +512,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser) int ret = 0; if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA) ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) + if (ser->irq < 0 || ser->irq >= nr_irqs) ret = -EINVAL; if (ser->baud_base < 9600) ret = -EINVAL; diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 9d08f27208a1..b7180046f8db 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -572,7 +572,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser) int ret = 0; if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA) ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) + if (ser->irq < 0 || ser->irq >= nr_irqs) ret = -EINVAL; if (ser->baud_base < 9600) ret = -EINVAL; diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index 25efca5a7a1f..e54574c49a38 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -623,7 +623,7 @@ static int cpm_uart_verify_port(struct uart_port *port, if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM) ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) + if (ser->irq < 0 || ser->irq >= nr_irqs) ret = -EINVAL; if (ser->baud_base < 9600) ret = -EINVAL; diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index 23d030511019..611c97a15654 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -922,7 +922,7 @@ static void m32r_sio_config_port(struct uart_port *port, int flags) static int m32r_sio_verify_port(struct uart_port *port, struct serial_struct *ser) { - if (ser->irq >= NR_IRQS || ser->irq < 0 || + if (ser->irq >= nr_irqs || ser->irq < 0 || ser->baud_base < 9600 || ser->type < PORT_UNKNOWN || ser->type >= ARRAY_SIZE(uart_config)) return -EINVAL; @@ -1162,7 +1162,7 @@ static int __init m32r_sio_init(void) printk(KERN_INFO "Serial: M32R SIO driver\n"); - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) spin_lock_init(&irq_lists[i].lock); ret = uart_register_driver(&m32r_sio_reg); diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 6bdf3362e3b1..874786a11fe9 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -741,7 +741,7 @@ static int uart_set_info(struct uart_state *state, if (port->ops->verify_port) retval = port->ops->verify_port(port, &new_serial); - if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) || + if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) || (new_serial.baud_base < 9600)) retval = -EINVAL; diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c index cb49a5ac022f..61dc8b3daa26 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -460,7 +460,7 @@ static int lh7a40xuart_verify_port (struct uart_port* port, if (ser->type != PORT_UNKNOWN && ser->type != PORT_LH7A40X) ret = -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) + if (ser->irq < 0 || ser->irq >= nr_irqs) ret = -EINVAL; if (ser->baud_base < 9600) /* *** FIXME: is this true? */ ret = -EINVAL; diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 3df2aaec829f..667b4b8fd074 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -1157,7 +1157,7 @@ static int sci_verify_port(struct uart_port *port, struct serial_struct *ser) { struct sci_port *s = &sci_ports[port->line]; - if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > NR_IRQS) + if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > nr_irqs) return -EINVAL; if (ser->baud_base < 2400) /* No paper tape reader for Mitch.. */ diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c index 5c5d18dcb6ac..503f0b99a3b8 100644 --- a/drivers/serial/ucc_uart.c +++ b/drivers/serial/ucc_uart.c @@ -1066,7 +1066,7 @@ static int qe_uart_verify_port(struct uart_port *port, if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM) return -EINVAL; - if (ser->irq < 0 || ser->irq >= NR_IRQS) + if (ser->irq < 0 || ser->irq >= nr_irqs) return -EINVAL; if (ser->baud_base < 9600) -- GitLab From da27c118eb4f87f27ae8da2635b916daedf7264f Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:56 -0700 Subject: [PATCH 5082/6244] fs/proc: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- fs/proc/proc_misc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index b675a49c1823..a2173a2a5625 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -509,7 +509,7 @@ static int show_stat(struct seq_file *p, void *v) struct timespec boottime; unsigned int *per_irq_sum; - per_irq_sum = kzalloc(sizeof(unsigned int)*NR_IRQS, GFP_KERNEL); + per_irq_sum = kzalloc(sizeof(unsigned int)*nr_irqs, GFP_KERNEL); if (!per_irq_sum) return -ENOMEM; @@ -531,7 +531,7 @@ static int show_stat(struct seq_file *p, void *v) softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq); steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal); guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest); - for (j = 0; j < NR_IRQS; j++) { + for (j = 0; j < nr_irqs; j++) { unsigned int temp = kstat_cpu(i).irqs[j]; sum += temp; per_irq_sum[j] += temp; @@ -577,7 +577,7 @@ static int show_stat(struct seq_file *p, void *v) } seq_printf(p, "intr %llu", (unsigned long long)sum); - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) seq_printf(p, " %u", per_irq_sum[i]); seq_printf(p, @@ -631,13 +631,13 @@ static const struct file_operations proc_stat_operations = { */ static void *int_seq_start(struct seq_file *f, loff_t *pos) { - return (*pos <= NR_IRQS) ? pos : NULL; + return (*pos <= nr_irqs) ? pos : NULL; } static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos) { (*pos)++; - if (*pos > NR_IRQS) + if (*pos > nr_irqs) return NULL; return pos; } -- GitLab From 5a15d7e85582fa84cbd01c6dcc5d927b43fddff4 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:57 -0700 Subject: [PATCH 5083/6244] drivers/xen: use nr_irqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/xen/events.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index c3290bc186a0..ed8235187dc0 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -139,7 +139,7 @@ static void init_evtchn_cpu_bindings(void) #ifdef CONFIG_SMP int i; /* By default all event channels notify CPU#0. */ - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) irq_desc[i].affinity = cpumask_of_cpu(0); #endif @@ -229,12 +229,12 @@ static int find_unbound_irq(void) int irq; /* Only allocate from dynirq range */ - for (irq = 0; irq < NR_IRQS; irq++) + for (irq = 0; irq < nr_irqs; irq++) if (irq_bindcount[irq] == 0) break; - if (irq == NR_IRQS) - panic("No available IRQ to bind to: increase NR_IRQS!\n"); + if (irq == nr_irqs) + panic("No available IRQ to bind to: increase nr_irqs!\n"); return irq; } @@ -790,7 +790,7 @@ void xen_irq_resume(void) mask_evtchn(evtchn); /* No IRQ <-> event-channel mappings. */ - for (irq = 0; irq < NR_IRQS; irq++) + for (irq = 0; irq < nr_irqs; irq++) irq_info[irq].evtchn = 0; /* zap event-channel binding */ for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++) @@ -822,7 +822,7 @@ void __init xen_init_IRQ(void) mask_evtchn(i); /* Dynamic IRQ space is currently unbound. Zero the refcnts. */ - for (i = 0; i < NR_IRQS; i++) + for (i = 0; i < nr_irqs; i++) irq_bindcount[i] = 0; irq_ctx_init(smp_processor_id()); -- GitLab From eef1de76da54a2ab6c6659c9a3722fd54a0e3459 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:58 -0700 Subject: [PATCH 5084/6244] irqs: make irq_timer_state to use dyn_array Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/char/random.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/char/random.c b/drivers/char/random.c index 31456472829e..1610aa64c7cf 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -559,7 +559,13 @@ struct timer_rand_state { }; static struct timer_rand_state input_timer_state; + +#ifdef CONFIG_HAVE_DYN_ARRAY +static struct timer_rand_state **irq_timer_state; +DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL); +#else static struct timer_rand_state *irq_timer_state[NR_IRQS]; +#endif /* * This function adds entropy to the entropy "pool" by using timing -- GitLab From 5aeecaf4908499b1fd006d313ccbacde6a6bac43 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:49:59 -0700 Subject: [PATCH 5085/6244] irq: make irq2_iommu to use dyn_array Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/intr_remapping.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 980566e3352b..6961be807684 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -1,3 +1,4 @@ +#include #include #include #include @@ -11,12 +12,19 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static int ir_ioapic_num; int intr_remapping_enabled; -static struct { +struct irq_2_iommu { struct intel_iommu *iommu; u16 irte_index; u16 sub_handle; u8 irte_mask; -} irq_2_iommu[NR_IRQS]; +}; + +#ifdef CONFIG_HAVE_DYNA_ARRAY +static struct irq_2_iommu *irq_2_iommu; +DEFINE_DYN_ARRAY(irq_2_iommu, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL); +#else +static struct irq_2_iommu irq_2_iommu[NR_IRQS]; +#endif static DEFINE_SPINLOCK(irq_2_ir_lock); -- GitLab From d60458b224d6b997a582a05cb8c4b9bed9e17a1d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:00 -0700 Subject: [PATCH 5086/6244] irq: make irq_desc to use dyn_array Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/linux/irq.h | 4 ++++ kernel/irq/handle.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 1d73d1abb834..5f4b013624dc 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -179,7 +179,11 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; +#ifdef CONFIG_HAVE_DYN_ARRAY +extern struct irq_desc *irq_desc; +#else extern struct irq_desc irq_desc[NR_IRQS]; +#endif /* * Migration helpers for obsolete names, they will go away: diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index e9d022cf593e..e94eeca09ea9 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -48,6 +48,36 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc) * Controller mappings for all interrupt sources: */ int nr_irqs = NR_IRQS; + +#ifdef CONFIG_HAVE_DYN_ARRAY +static struct irq_desc irq_desc_init __initdata = { + .status = IRQ_DISABLED, + .chip = &no_irq_chip, + .handle_irq = handle_bad_irq, + .depth = 1, + .lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock), +#ifdef CONFIG_SMP + .affinity = CPU_MASK_ALL +#endif +}; + +static void __init init_work(void *data) +{ + struct dyn_array *da = data; + int i; + struct irq_desc *desc; + + desc = *da->name; + + for (i = 0; i < *da->nr; i++) + memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc)); +} + +struct irq_desc *irq_desc; +DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); + +#else + struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { .status = IRQ_DISABLED, @@ -60,6 +90,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { #endif } }; +#endif /* * What should we do if we get a hw irq event on an illegal vector? -- GitLab From fa42d10dd5e1ff373061c0526f272106512301f9 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 19 Aug 2008 20:50:30 -0700 Subject: [PATCH 5087/6244] irq: sparse irqs, export nr_irqs fix: Building modules, stage 2. MODPOST 458 modules ERROR: "nr_irqs" [drivers/serial/8250.ko] undefined! Signed-off-by: Ingo Molnar --- kernel/irq/handle.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index e94eeca09ea9..6ce3bcc2b8f7 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -48,6 +48,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc) * Controller mappings for all interrupt sources: */ int nr_irqs = NR_IRQS; +EXPORT_SYMBOL_GPL(nr_irqs); #ifdef CONFIG_HAVE_DYN_ARRAY static struct irq_desc irq_desc_init __initdata = { -- GitLab From d17a55ded3393ad3878010bb3a8243a15a8d8df5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:01 -0700 Subject: [PATCH 5088/6244] irq: make irqs in kernel stat use per_cpu_dyn_array Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/linux/kernel_stat.h | 4 ++++ kernel/sched.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index cf9f40a91c9c..fe1f7fe534b4 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -28,7 +28,11 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned int *irqs; +#else unsigned int irqs[NR_IRQS]; +#endif }; DECLARE_PER_CPU(struct kernel_stat, kstat); diff --git a/kernel/sched.c b/kernel/sched.c index 6f230596bd0c..b9d713781b5b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4048,9 +4048,12 @@ static inline void idle_balance(int cpu, struct rq *rq) #endif DEFINE_PER_CPU(struct kernel_stat, kstat); - EXPORT_PER_CPU_SYMBOL(kstat); +#ifdef CONFIG_HAVE_DYN_ARRAY +DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL); +#endif + /* * Return p->sum_exec_runtime plus any more ns on the sched_clock * that have not yet been banked in case the task is currently running. -- GitLab From 301e619020dd67bde7e7e64bb9ffb7f30d26c979 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:02 -0700 Subject: [PATCH 5089/6244] x86: use dyn_array in io_apic_xx.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 54 ++++++++++++++++++++++++++++-------- arch/x86/kernel/io_apic_64.c | 28 ++++++++++++++----- arch/x86/kernel/setup.c | 6 ++++ 3 files changed, 70 insertions(+), 18 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index d382990244f0..7f2bcc3dad82 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -70,7 +70,7 @@ int timer_through_8259 __initdata; */ int sis_apic_bug = -1; -int first_free_entry = NR_IRQS; +int first_free_entry; /* * # of IRQ routing registers */ @@ -98,10 +98,7 @@ static int disable_timer_pin_1 __initdata; * Rough estimation of how many shared IRQs there are, can * be changed anytime. */ -#define MAX_PLUS_SHARED_IRQS NR_IRQS -#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) - -int pin_map_size = PIN_MAP_SIZE; +int pin_map_size; /* * This is performance-critical, we want to do it O(1) @@ -112,7 +109,9 @@ int pin_map_size = PIN_MAP_SIZE; static struct irq_pin_list { int apic, pin, next; -} irq_2_pin[PIN_MAP_SIZE]; +} *irq_2_pin; + +DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, 16, NULL); struct io_apic { unsigned int index; @@ -403,9 +402,28 @@ static struct irq_cpu_info { #define CPU_TO_PACKAGEINDEX(i) (first_cpu(per_cpu(cpu_sibling_map, i))) -static cpumask_t balance_irq_affinity[NR_IRQS] = { - [0 ... NR_IRQS-1] = CPU_MASK_ALL -}; +static cpumask_t balance_irq_affinity_init __initdata = CPU_MASK_ALL; + +static cpumask_t *balance_irq_affinity; + + +static void __init irq_affinity_init_work(void *data) +{ + struct dyn_array *da = data; + + int i; + struct balance_irq_affinity *affinity; + + affinity = *da->name; + + for (i = 0; i < *da->nr; i++) + memcpy(&affinity[i], &balance_irq_affinity_init, + sizeof(struct balance_irq_affinity)); + +} + +DEFINE_DYN_ARRAY(balance_irq_affinity, sizeof(struct balance_irq_affinity), nr_irqs, PAGE_SIZE, irq_affinity_init_work); + void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) { @@ -1170,14 +1188,28 @@ static inline int IO_APIC_irq_trigger(int irq) } /* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 }; +static u8 irq_vector_init_first __initdata = FIRST_DEVICE_VECTOR; +static u8 *irq_vector; + +static void __init irq_vector_init_work(void *data) +{ + struct dyn_array *da = data; + + u8 *irq_vec; + + irq_vec = *da->name; + + irq_vec[0] = irq_vector_init_first; +} + +DEFINE_DYN_ARRAY(irq_vector, sizeof(u8), nr_irqs, PAGE_SIZE, irq_vector_init_work); static int __assign_irq_vector(int irq) { static int current_vector = FIRST_DEVICE_VECTOR, current_offset; int vector, offset; - BUG_ON((unsigned)irq >= NR_IRQ_VECTORS); + BUG_ON((unsigned)irq >= nr_irqs); if (irq_vector[irq] > 0) return irq_vector[irq]; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 448384c7c1e8..93a3ffabfe6a 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -66,7 +66,7 @@ struct irq_cfg { }; /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ -static struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = { +static struct irq_cfg irq_cfg_legacy[] __initdata = { [0] = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, [1] = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, [2] = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, @@ -85,6 +85,17 @@ static struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = { [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, }; +static struct irq_cfg *irq_cfg; + +static void __init init_work(void *data) +{ + struct dyn_array *da = data; + + memcpy(*da->name, irq_cfg_legacy, sizeof(irq_cfg_legacy)); +} + +DEFINE_DYN_ARRAY(irq_cfg, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); + static int assign_irq_vector(int irq, cpumask_t mask); int first_system_vector = 0xfe; @@ -129,10 +140,9 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); * Rough estimation of how many shared IRQs there are, can * be changed anytime. */ -#define MAX_PLUS_SHARED_IRQS NR_IRQS -#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) -int pin_map_size = PIN_MAP_SIZE; +int pin_map_size; + /* * This is performance-critical, we want to do it O(1) * @@ -141,8 +151,12 @@ int pin_map_size = PIN_MAP_SIZE; */ static struct irq_pin_list { - short apic, pin, next; -} irq_2_pin[PIN_MAP_SIZE]; + short apic, pin; + int next; +} *irq_2_pin; + +DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, sizeof(struct irq_pin_list), NULL); + struct io_apic { unsigned int index; @@ -359,7 +373,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) * shared ISA-space IRQs, so we have to support them. We are super * fast in the common case, and fast for shared ISA-space IRQs. */ -int first_free_entry = NR_IRQS; +int first_free_entry; static void add_pin_to_irq(unsigned int irq, int apic, int pin) { struct irq_pin_list *entry = irq_2_pin + irq; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 2255782e8d4b..558ec26b08e2 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1067,9 +1067,15 @@ void __init setup_arch(char **cmdline_p) #endif prefill_possible_map(); + #ifdef CONFIG_X86_64 + /* need to wait for nr_cpu_ids settle down */ + if (nr_irqs == NR_IRQS) + nr_irqs = 32 * nr_cpu_ids + 224; init_cpu_to_node(); #endif + pin_map_size = nr_irqs * 2; + first_free_entry = nr_irqs; init_apic_mappings(); ioapic_init_mappings(); -- GitLab From a84488c213a8cfc29200344a6fb6357d48c8ed85 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 19 Aug 2008 20:50:31 -0700 Subject: [PATCH 5090/6244] irq: sparse irqs, fix #3 fix non-APIC UP build: arch/x86/kernel/built-in.o: In function `setup_arch': : undefined reference to `pin_map_size' arch/x86/kernel/built-in.o: In function `setup_arch': : undefined reference to `first_free_entry' Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 558ec26b08e2..02e3a6697977 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1074,8 +1074,10 @@ void __init setup_arch(char **cmdline_p) nr_irqs = 32 * nr_cpu_ids + 224; init_cpu_to_node(); #endif +#ifdef CONFIG_X86_IO_APIC pin_map_size = nr_irqs * 2; first_free_entry = nr_irqs; +#endif init_apic_mappings(); ioapic_init_mappings(); -- GitLab From 71f521bbaf375b685aeea20c6b0ed8600cd6edfe Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:03 -0700 Subject: [PATCH 5091/6244] x86, irq: get nr_irqs from madt Until now, NR_IRQS was derived from black magic defines that had to be "large enough" to both accomodate NR_CPUS and MAX_NR_IO_APICs. This resulted in a way too large irq_desc[] array on most x86 systems. Especially with larger CPU masks, the size of irq_desc can spiral out of control quickly. So be smarter about it and use precise allocation instead: determine the default maximum possible IRQ number from the ACPI MADT. Use a minimum limit of at least 32 IRQs for broken BIOSes. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/acpi/boot.c | 30 ++++++++++++++++++++++++++++-- include/asm-x86/mpspec.h | 1 + 2 files changed, 29 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index eb875cdc7367..3e9d163fd92f 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -957,6 +957,29 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) nr_ioapics++; } +int get_nr_irqs_via_madt(void) +{ + int idx; + int nr = 0; + + for (idx = 0; idx < nr_ioapics; idx++) { + if (mp_ioapic_routing[idx].gsi_end > nr) + nr = mp_ioapic_routing[idx].gsi_end; + } + + nr++; + + /* double it for hotplug and msi and nmi */ + nr <<= 1; + + /* something wrong ? */ + if (nr < 32) + nr = 32; + + return nr; + +} + static void assign_to_mp_irq(struct mp_config_intsrc *m, struct mp_config_intsrc *mp_irq) { @@ -1254,9 +1277,12 @@ static int __init acpi_parse_madt_ioapic_entries(void) return count; } + + nr_irqs = get_nr_irqs_via_madt(); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, - NR_IRQ_VECTORS); + nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); @@ -1276,7 +1302,7 @@ static int __init acpi_parse_madt_ioapic_entries(void) count = acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, - NR_IRQ_VECTORS); + nr_irqs); if (count < 0) { printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); /* TBD: Cleanup to allow fallback to MPS */ diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h index be2241a818f1..a0748021250b 100644 --- a/include/asm-x86/mpspec.h +++ b/include/asm-x86/mpspec.h @@ -60,6 +60,7 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi); extern void mp_config_acpi_legacy_irqs(void); extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low); +extern int get_nr_irqs_via_madt(void); #ifdef CONFIG_X86_IO_APIC extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin, u32 gsi, int triggering, int polarity); -- GitLab From bfea1238beac9d306eeac081c67de5ca6aec4c7a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:04 -0700 Subject: [PATCH 5092/6244] x86: remove nr_irq_vectors remove unused defines derived from the (now obsolete) NR_IRQS define. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/asm-x86/irq_vectors.h | 9 --------- 1 file changed, 9 deletions(-) diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h index c5d2d767a1f3..cb09802ce651 100644 --- a/include/asm-x86/irq_vectors.h +++ b/include/asm-x86/irq_vectors.h @@ -116,7 +116,6 @@ # else # define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS)) # endif -# define NR_IRQ_VECTORS NR_IRQS #elif !defined(CONFIG_X86_VOYAGER) @@ -124,23 +123,15 @@ # define NR_IRQS 224 -# if (224 >= 32 * NR_CPUS) -# define NR_IRQ_VECTORS NR_IRQS -# else -# define NR_IRQ_VECTORS (32 * NR_CPUS) -# endif - # else /* IO_APIC || PARAVIRT */ # define NR_IRQS 16 -# define NR_IRQ_VECTORS NR_IRQS # endif #else /* !VISWS && !VOYAGER */ # define NR_IRQS 224 -# define NR_IRQ_VECTORS NR_IRQS #endif /* VISWS */ -- GitLab From 08678b0841267c1d00d771fe01548d86043d065e Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:05 -0700 Subject: [PATCH 5093/6244] generic: sparse irqs: use irq_desc() together with dyn_array, instead of irq_desc[] add CONFIG_HAVE_SPARSE_IRQ to for use condensed array. Get rid of irq_desc[] array assumptions. Preallocate 32 irq_desc, and irq_desc() will try to get more. ( No change in functionality is expected anywhere, except the odd build failure where we missed a code site or where a crossing commit itroduces new irq_desc[] usage. ) v2: according to Eric, change get_irq_desc() to irq_desc() Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/Kconfig | 4 + arch/x86/Kconfig | 1 + arch/x86/kernel/io_apic_32.c | 46 +++++++--- arch/x86/kernel/io_apic_64.c | 75 +++++++++------ arch/x86/kernel/irq_32.c | 24 +++-- arch/x86/kernel/irq_64.c | 35 +++---- arch/x86/kernel/irqinit_64.c | 10 +- arch/x86/kernel/visws_quirks.c | 30 +++--- arch/x86/mach-voyager/voyager_smp.c | 4 +- drivers/gpio/gpiolib.c | 2 +- drivers/mfd/asic3.c | 4 +- drivers/mfd/htc-egpio.c | 2 +- drivers/parisc/dino.c | 6 +- drivers/parisc/eisa.c | 4 +- drivers/parisc/gsc.c | 12 ++- drivers/parisc/iosapic.c | 4 +- drivers/parisc/superio.c | 4 +- drivers/pcmcia/hd64465_ss.c | 12 ++- drivers/xen/events.c | 8 +- include/linux/irq.h | 32 ++++--- kernel/irq/autoprobe.c | 10 +- kernel/irq/chip.c | 32 ++++--- kernel/irq/handle.c | 138 +++++++++++++++++++++++++--- kernel/irq/manage.c | 35 ++++--- kernel/irq/migration.c | 14 +-- kernel/irq/proc.c | 36 ++++---- kernel/irq/resend.c | 2 +- kernel/irq/spurious.c | 5 +- 28 files changed, 404 insertions(+), 187 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index c1f9febb404f..b36762246265 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -105,3 +105,7 @@ config HAVE_CLK config HAVE_DYN_ARRAY def_bool n + +config HAVE_SPARSE_IRQ + def_bool n + diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 42f98009d752..1004888e9b13 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -34,6 +34,7 @@ config X86 select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_DYN_ARRAY + select HAVE_SPARSE_IRQ if X86_64 config ARCH_DEFCONFIG string diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 7f2bcc3dad82..c2160cfdec9b 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -345,6 +345,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) struct irq_pin_list *entry = irq_2_pin + irq; unsigned int apicid_value; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, cpumask, cpu_online_map); if (cpus_empty(tmp)) @@ -365,7 +366,8 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) break; entry = irq_2_pin + entry->next; } - irq_desc[irq].affinity = cpumask; + desc = irq_to_desc(irq); + desc->affinity = cpumask; spin_unlock_irqrestore(&ioapic_lock, flags); } @@ -475,10 +477,12 @@ static inline void balance_irq(int cpu, int irq) static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold) { int i, j; + struct irq_desc *desc; for_each_online_cpu(i) { for (j = 0; j < nr_irqs; j++) { - if (!irq_desc[j].action) + desc = irq_to_desc(j); + if (!desc->action) continue; /* Is it a significant load ? */ if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i), j) < @@ -505,6 +509,7 @@ static void do_irq_balance(void) unsigned long tmp_cpu_irq; unsigned long imbalance = 0; cpumask_t allowed_mask, target_cpu_mask, tmp; + struct irq_desc *desc; for_each_possible_cpu(i) { int package_index; @@ -515,7 +520,8 @@ static void do_irq_balance(void) for (j = 0; j < nr_irqs; j++) { unsigned long value_now, delta; /* Is this an active IRQ or balancing disabled ? */ - if (!irq_desc[j].action || irq_balancing_disabled(j)) + desc = irq_to_desc(j); + if (!desc->action || irq_balancing_disabled(j)) continue; if (package_index == i) IRQ_DELTA(package_index, j) = 0; @@ -609,7 +615,8 @@ tryanotherirq: selected_irq = -1; for (j = 0; j < nr_irqs; j++) { /* Is this an active IRQ? */ - if (!irq_desc[j].action) + desc = irq_to_desc(j); + if (!desc->action) continue; if (imbalance <= IRQ_DELTA(max_loaded, j)) continue; @@ -682,10 +689,12 @@ static int balanced_irq(void *unused) int i; unsigned long prev_balance_time = jiffies; long time_remaining = balanced_irq_interval; + struct irq_desc *desc; /* push everything to CPU 0 to give us a starting point. */ for (i = 0 ; i < nr_irqs ; i++) { - irq_desc[i].pending_mask = cpumask_of_cpu(0); + desc = irq_to_desc(i); + desc->pending_mask = cpumask_of_cpu(0); set_pending_irq(i, cpumask_of_cpu(0)); } @@ -1254,13 +1263,16 @@ static struct irq_chip ioapic_chip; static void ioapic_register_intr(int irq, int vector, unsigned long trigger) { + struct irq_desc *desc; + + desc = irq_to_desc(irq); if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || trigger == IOAPIC_LEVEL) { - irq_desc[irq].status |= IRQ_LEVEL; + desc->status |= IRQ_LEVEL; set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_fasteoi_irq, "fasteoi"); } else { - irq_desc[irq].status &= ~IRQ_LEVEL; + desc->status &= ~IRQ_LEVEL; set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); } @@ -2027,6 +2039,7 @@ static struct irq_chip ioapic_chip __read_mostly = { static inline void init_IO_APIC_traps(void) { int irq; + struct irq_desc *desc; /* * NOTE! The local APIC isn't very good at handling @@ -2048,9 +2061,11 @@ static inline void init_IO_APIC_traps(void) */ if (irq < 16) make_8259A_irq(irq); - else + else { + desc = irq_to_desc(irq); /* Strange. Oh, well.. */ - irq_desc[irq].chip = &no_irq_chip; + desc->chip = &no_irq_chip; + } } } } @@ -2089,7 +2104,10 @@ static struct irq_chip lapic_chip __read_mostly = { static void lapic_register_intr(int irq, int vector) { - irq_desc[irq].status &= ~IRQ_LEVEL; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->status &= ~IRQ_LEVEL; set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq, "edge"); set_intr_gate(vector, interrupt[irq]); @@ -2556,6 +2574,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) unsigned int dest; cpumask_t tmp; int vector; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2575,7 +2594,8 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif /* CONFIG_SMP */ @@ -2649,6 +2669,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2659,7 +2680,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(mask); target_ht_irq(irq, dest); - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 93a3ffabfe6a..cab5a25d81b1 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -345,6 +345,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) unsigned long flags; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -361,9 +362,10 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) */ dest = SET_APIC_LOGICAL_ID(dest); + desc = irq_to_desc(irq); spin_lock_irqsave(&ioapic_lock, flags); __target_IO_APIC_irq(irq, dest, cfg->vector); - irq_desc[irq].affinity = mask; + desc->affinity = mask; spin_unlock_irqrestore(&ioapic_lock, flags); } #endif @@ -933,14 +935,17 @@ static struct irq_chip ir_ioapic_chip; static void ioapic_register_intr(int irq, unsigned long trigger) { + struct irq_desc *desc; + + desc = irq_to_desc(irq); if (trigger) - irq_desc[irq].status |= IRQ_LEVEL; + desc->status |= IRQ_LEVEL; else - irq_desc[irq].status &= ~IRQ_LEVEL; + desc->status &= ~IRQ_LEVEL; #ifdef CONFIG_INTR_REMAP if (irq_remapped(irq)) { - irq_desc[irq].status |= IRQ_MOVE_PCNTXT; + desc->status |= IRQ_MOVE_PCNTXT; if (trigger) set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, handle_fasteoi_irq, @@ -1596,10 +1601,10 @@ static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration); static void migrate_ioapic_irq(int irq, cpumask_t mask) { struct irq_cfg *cfg = irq_cfg + irq; - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc; cpumask_t tmp, cleanup_mask; struct irte irte; - int modify_ioapic_rte = desc->status & IRQ_LEVEL; + int modify_ioapic_rte; unsigned int dest; unsigned long flags; @@ -1616,6 +1621,8 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask) cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); + desc = irq_to_desc(irq); + modify_ioapic_rte = desc->status & IRQ_LEVEL; if (modify_ioapic_rte) { spin_lock_irqsave(&ioapic_lock, flags); __target_IO_APIC_irq(irq, dest, cfg->vector); @@ -1637,12 +1644,13 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask) cfg->move_in_progress = 0; } - irq_desc[irq].affinity = mask; + desc->affinity = mask; } static int migrate_irq_remapped_level(int irq) { int ret = -1; + struct irq_desc *desc = irq_to_desc(irq); mask_IO_APIC_irq(irq); @@ -1658,11 +1666,11 @@ static int migrate_irq_remapped_level(int irq) } /* everthing is clear. we have right of way */ - migrate_ioapic_irq(irq, irq_desc[irq].pending_mask); + migrate_ioapic_irq(irq, desc->pending_mask); ret = 0; - irq_desc[irq].status &= ~IRQ_MOVE_PENDING; - cpus_clear(irq_desc[irq].pending_mask); + desc->status &= ~IRQ_MOVE_PENDING; + cpus_clear(desc->pending_mask); unmask: unmask_IO_APIC_irq(irq); @@ -1674,7 +1682,7 @@ static void ir_irq_migration(struct work_struct *work) int irq; for (irq = 0; irq < nr_irqs; irq++) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (desc->status & IRQ_MOVE_PENDING) { unsigned long flags; @@ -1686,8 +1694,7 @@ static void ir_irq_migration(struct work_struct *work) continue; } - desc->chip->set_affinity(irq, - irq_desc[irq].pending_mask); + desc->chip->set_affinity(irq, desc->pending_mask); spin_unlock_irqrestore(&desc->lock, flags); } } @@ -1698,9 +1705,11 @@ static void ir_irq_migration(struct work_struct *work) */ static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { - if (irq_desc[irq].status & IRQ_LEVEL) { - irq_desc[irq].status |= IRQ_MOVE_PENDING; - irq_desc[irq].pending_mask = mask; + struct irq_desc *desc = irq_to_desc(irq); + + if (desc->status & IRQ_LEVEL) { + desc->status |= IRQ_MOVE_PENDING; + desc->pending_mask = mask; migrate_irq_remapped_level(irq); return; } @@ -1725,7 +1734,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) if (irq >= nr_irqs) continue; - desc = irq_desc + irq; + desc = irq_to_desc(irq); cfg = irq_cfg + irq; spin_lock(&desc->lock); if (!cfg->move_cleanup_count) @@ -1791,7 +1800,7 @@ static void ack_apic_level(unsigned int irq) irq_complete_move(irq); #ifdef CONFIG_GENERIC_PENDING_IRQ /* If we are moving the irq we need to mask it */ - if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) { + if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) { do_unmask_irq = 1; mask_IO_APIC_irq(irq); } @@ -1868,6 +1877,7 @@ static struct irq_chip ir_ioapic_chip __read_mostly = { static inline void init_IO_APIC_traps(void) { int irq; + struct irq_desc *desc; /* * NOTE! The local APIC isn't very good at handling @@ -1889,9 +1899,11 @@ static inline void init_IO_APIC_traps(void) */ if (irq < 16) make_8259A_irq(irq); - else + else { + desc = irq_to_desc(irq); /* Strange. Oh, well.. */ - irq_desc[irq].chip = &no_irq_chip; + desc->chip = &no_irq_chip; + } } } } @@ -1926,7 +1938,10 @@ static struct irq_chip lapic_chip __read_mostly = { static void lapic_register_intr(int irq) { - irq_desc[irq].status &= ~IRQ_LEVEL; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->status &= ~IRQ_LEVEL; set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq, "edge"); } @@ -2402,6 +2417,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) struct msi_msg msg; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2421,7 +2437,8 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #ifdef CONFIG_INTR_REMAP @@ -2435,6 +2452,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) unsigned int dest; cpumask_t tmp, cleanup_mask; struct irte irte; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2469,7 +2487,8 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) cfg->move_in_progress = 0; } - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif #endif /* CONFIG_SMP */ @@ -2543,7 +2562,7 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) #ifdef CONFIG_INTR_REMAP if (irq_remapped(irq)) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); /* * irq migration in process context */ @@ -2655,6 +2674,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) struct msi_msg msg; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2674,7 +2694,8 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); dmar_msi_write(irq, &msg); - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif /* CONFIG_SMP */ @@ -2731,6 +2752,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) struct irq_cfg *cfg = irq_cfg + irq; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2743,7 +2765,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(tmp); target_ht_irq(irq, dest, cfg->vector); - irq_desc[irq].affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 4c7ffb32854c..ede513be517d 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -224,7 +224,7 @@ unsigned int do_IRQ(struct pt_regs *regs) struct pt_regs *old_regs; /* high bit used in ret_from_ code */ int overflow, irq = ~regs->orig_ax; - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (unlikely((unsigned)irq >= nr_irqs)) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", @@ -273,15 +273,16 @@ int show_interrupts(struct seq_file *p, void *v) if (i < nr_irqs) { unsigned any_count = 0; + struct irq_desc *desc = irq_to_desc(i); - spin_lock_irqsave(&irq_desc[i].lock, flags); + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP any_count = kstat_irqs(i); #else for_each_online_cpu(j) any_count |= kstat_cpu(j).irqs[i]; #endif - action = irq_desc[i].action; + action = desc->action; if (!action && !any_count) goto skip; seq_printf(p, "%3d: ",i); @@ -291,8 +292,8 @@ int show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); #endif - seq_printf(p, " %8s", irq_desc[i].chip->name); - seq_printf(p, "-%-8s", irq_desc[i].name); + seq_printf(p, " %8s", desc->chip->name); + seq_printf(p, "-%-8s", desc->name); if (action) { seq_printf(p, " %s", action->name); @@ -302,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); + spin_unlock_irqrestore(&desc->lock, flags); } else if (i == nr_irqs) { seq_printf(p, "NMI: "); for_each_online_cpu(j) @@ -398,17 +399,20 @@ void fixup_irqs(cpumask_t map) for (irq = 0; irq < nr_irqs; irq++) { cpumask_t mask; + struct irq_desc *desc; + if (irq == 2) continue; - cpus_and(mask, irq_desc[irq].affinity, map); + desc = irq_to_desc(irq); + cpus_and(mask, desc->affinity, map); if (any_online_cpu(mask) == NR_CPUS) { printk("Breaking affinity for irq %i\n", irq); mask = map; } - if (irq_desc[irq].chip->set_affinity) - irq_desc[irq].chip->set_affinity(irq, mask); - else if (irq_desc[irq].action && !(warned++)) + if (desc->chip->set_affinity) + desc->chip->set_affinity(irq, mask); + else if (desc->action && !(warned++)) printk("Cannot set affinity for irq %i\n", irq); } diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index e1f0839430d2..738eb65a924e 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -83,15 +83,16 @@ int show_interrupts(struct seq_file *p, void *v) if (i < nr_irqs) { unsigned any_count = 0; + struct irq_desc *desc = irq_to_desc(i); - spin_lock_irqsave(&irq_desc[i].lock, flags); + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP any_count = kstat_irqs(i); #else for_each_online_cpu(j) any_count |= kstat_cpu(j).irqs[i]; #endif - action = irq_desc[i].action; + action = desc->action; if (!action && !any_count) goto skip; seq_printf(p, "%3d: ",i); @@ -101,8 +102,8 @@ int show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); #endif - seq_printf(p, " %8s", irq_desc[i].chip->name); - seq_printf(p, "-%-8s", irq_desc[i].name); + seq_printf(p, " %8s", desc->chip->name); + seq_printf(p, "-%-8s", desc->name); if (action) { seq_printf(p, " %s", action->name); @@ -111,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v) } seq_putc(p, '\n'); skip: - spin_unlock_irqrestore(&irq_desc[i].lock, flags); + spin_unlock_irqrestore(&desc->lock, flags); } else if (i == nr_irqs) { seq_printf(p, "NMI: "); for_each_online_cpu(j) @@ -228,37 +229,39 @@ void fixup_irqs(cpumask_t map) cpumask_t mask; int break_affinity = 0; int set_affinity = 1; + struct irq_desc *desc; if (irq == 2) continue; + desc = irq_to_desc(irq); /* interrupt's are disabled at this point */ - spin_lock(&irq_desc[irq].lock); + spin_lock(&desc->lock); if (!irq_has_action(irq) || - cpus_equal(irq_desc[irq].affinity, map)) { - spin_unlock(&irq_desc[irq].lock); + cpus_equal(desc->affinity, map)) { + spin_unlock(&desc->lock); continue; } - cpus_and(mask, irq_desc[irq].affinity, map); + cpus_and(mask, desc->affinity, map); if (cpus_empty(mask)) { break_affinity = 1; mask = map; } - if (irq_desc[irq].chip->mask) - irq_desc[irq].chip->mask(irq); + if (desc->chip->mask) + desc->chip->mask(irq); - if (irq_desc[irq].chip->set_affinity) - irq_desc[irq].chip->set_affinity(irq, mask); + if (desc->chip->set_affinity) + desc->chip->set_affinity(irq, mask); else if (!(warned++)) set_affinity = 0; - if (irq_desc[irq].chip->unmask) - irq_desc[irq].chip->unmask(irq); + if (desc->chip->unmask) + desc->chip->unmask(irq); - spin_unlock(&irq_desc[irq].lock); + spin_unlock(&desc->lock); if (break_affinity && set_affinity) printk("Broke affinity for irq %i\n", irq); diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 165c5d9b0d1a..0744b49b4d12 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -143,9 +143,11 @@ void __init init_ISA_irqs(void) init_8259A(0); for (i = 0; i < nr_irqs; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = NULL; - irq_desc[i].depth = 1; + struct irq_desc *desc = irq_to_desc(i); + + desc->status = IRQ_DISABLED; + desc->action = NULL; + desc->depth = 1; if (i < 16) { /* @@ -157,7 +159,7 @@ void __init init_ISA_irqs(void) /* * 'high' PCI IRQs filled in on demand */ - irq_desc[i].chip = &no_irq_chip; + desc->chip = &no_irq_chip; } } } diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 61a97e616f70..9d85ab384435 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -484,10 +484,11 @@ static void disable_cobalt_irq(unsigned int irq) static unsigned int startup_cobalt_irq(unsigned int irq) { unsigned long flags; + struct irq_desc *desc = irq_to_desc(irq); spin_lock_irqsave(&cobalt_lock, flags); - if ((irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING))) - irq_desc[irq].status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING); + if ((desc->status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING))) + desc->status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING); enable_cobalt_irq(irq); spin_unlock_irqrestore(&cobalt_lock, flags); return 0; @@ -506,9 +507,10 @@ static void ack_cobalt_irq(unsigned int irq) static void end_cobalt_irq(unsigned int irq) { unsigned long flags; + struct irq_desc *desc = irq_to_desc(irq); spin_lock_irqsave(&cobalt_lock, flags); - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + if (!(desc->status & (IRQ_DISABLED | IRQ_INPROGRESS))) enable_cobalt_irq(irq); spin_unlock_irqrestore(&cobalt_lock, flags); } @@ -626,7 +628,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id) spin_unlock_irqrestore(&i8259A_lock, flags); - desc = irq_desc + realirq; + desc = irq_to_desc(realirq); /* * handle this 'virtual interrupt' as a Cobalt one now. @@ -662,27 +664,29 @@ void init_VISWS_APIC_irqs(void) int i; for (i = 0; i < CO_IRQ_APIC0 + CO_APIC_LAST + 1; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 1; + struct irq_desc *desc = irq_to_desc(i); + + desc->status = IRQ_DISABLED; + desc->action = 0; + desc->depth = 1; if (i == 0) { - irq_desc[i].chip = &cobalt_irq_type; + desc->chip = &cobalt_irq_type; } else if (i == CO_IRQ_IDE0) { - irq_desc[i].chip = &cobalt_irq_type; + desc->chip = &cobalt_irq_type; } else if (i == CO_IRQ_IDE1) { - irq_desc[i].chip = &cobalt_irq_type; + desc->chip = &cobalt_irq_type; } else if (i == CO_IRQ_8259) { - irq_desc[i].chip = &piix4_master_irq_type; + desc->chip = &piix4_master_irq_type; } else if (i < CO_IRQ_APIC0) { - irq_desc[i].chip = &piix4_virtual_irq_type; + desc->chip = &piix4_virtual_irq_type; } else if (IS_CO_APIC(i)) { - irq_desc[i].chip = &cobalt_irq_type; + desc->chip = &cobalt_irq_type; } } diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 199a5f4a873c..0f6e8a6523ae 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -1483,7 +1483,7 @@ static void disable_local_vic_irq(unsigned int irq) * the interrupt off to another CPU */ static void before_handle_vic_irq(unsigned int irq) { - irq_desc_t *desc = irq_desc + irq; + irq_desc_t *desc = irq_to_desc(irq); __u8 cpu = smp_processor_id(); _raw_spin_lock(&vic_irq_lock); @@ -1518,7 +1518,7 @@ static void before_handle_vic_irq(unsigned int irq) /* Finish the VIC interrupt: basically mask */ static void after_handle_vic_irq(unsigned int irq) { - irq_desc_t *desc = irq_desc + irq; + irq_desc_t *desc = irq_to_desc(irq); _raw_spin_lock(&vic_irq_lock); { diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 8d2940517c99..572d372899d3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1058,7 +1058,7 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip) if (!is_out) { int irq = gpio_to_irq(gpio); - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); /* This races with request_irq(), set_irq_type(), * and set_irq_wake() ... but those are "rare". diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index ba5aa2008273..e4c0db4dc7b1 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -123,7 +123,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) irqnr = asic->irq_base + (ASIC3_GPIOS_PER_BANK * bank) + i; - desc = irq_desc + irqnr; + desc = irq_to_desc(irqnr); desc->handle_irq(irqnr, desc); if (asic->irq_bothedge[bank] & bit) asic3_irq_flip_edge(asic, base, @@ -136,7 +136,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) { /* They start at bit 4 and go up */ if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) { - desc = irq_desc + asic->irq_base + i; + desc = irq_to_desc(asic->irq_base + i); desc->handle_irq(asic->irq_base + i, desc); } diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c index 6be43172dc65..ad3379fcd194 100644 --- a/drivers/mfd/htc-egpio.c +++ b/drivers/mfd/htc-egpio.c @@ -112,7 +112,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc) /* Run irq handler */ pr_debug("got IRQ %d\n", irqpin); irq = ei->irq_start + irqpin; - desc = &irq_desc[irq]; + desc = irq_to_desc(irq); desc->handle_irq(irq, desc); } } diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index fd56128525d1..3bc54b30c3a1 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -298,7 +298,8 @@ struct pci_port_ops dino_port_ops = { static void dino_disable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); @@ -310,7 +311,8 @@ static void dino_disable_irq(unsigned int irq) static void dino_enable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); u32 tmp; diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 771cef592542..7891db50c483 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -346,10 +346,10 @@ static int __init eisa_probe(struct parisc_device *dev) } /* Reserve IRQ2 */ - irq_desc[2].action = &irq2_action; + irq_to_desc(2)->action = &irq2_action; for (i = 0; i < 16; i++) { - irq_desc[i].chip = &eisa_interrupt_type; + irq_to_desc(i)->chip = &eisa_interrupt_type; } EISA_bus = 1; diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c index f7d088b897ee..e76db9e4d504 100644 --- a/drivers/parisc/gsc.c +++ b/drivers/parisc/gsc.c @@ -108,7 +108,8 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit) static void gsc_asic_disable_irq(unsigned int irq) { - struct gsc_asic *irq_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct gsc_asic *irq_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; @@ -123,7 +124,8 @@ static void gsc_asic_disable_irq(unsigned int irq) static void gsc_asic_enable_irq(unsigned int irq) { - struct gsc_asic *irq_dev = irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + struct gsc_asic *irq_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; @@ -159,12 +161,14 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = { int gsc_assign_irq(struct hw_interrupt_type *type, void *data) { static int irq = GSC_IRQ_BASE; + struct irq_desc *desc; if (irq > GSC_IRQ_MAX) return NO_IRQ; - irq_desc[irq].chip = type; - irq_desc[irq].chip_data = data; + desc = irq_to_desc(irq); + desc->chip = type; + desc->chip_data = data; return irq++; } diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index 6fb3f7979f21..7beffcab2745 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -619,7 +619,9 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1) static struct vector_info *iosapic_get_vector(unsigned int irq) { - return irq_desc[irq].chip_data; + struct irq_desc *desc = irq_to_desc(irq); + + return desc->chip_data; } static void iosapic_disable_irq(unsigned int irq) diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 1e8d2d17f04c..1e93c837514f 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -363,7 +363,9 @@ int superio_fixup_irq(struct pci_dev *pcidev) #endif for (i = 0; i < 16; i++) { - irq_desc[i].chip = &superio_interrupt_type; + struct irq_desc *desc = irq_to_desc(i); + + desc->chip = &superio_interrupt_type; } /* diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c index 117dc12ab438..9ef69cdb3183 100644 --- a/drivers/pcmcia/hd64465_ss.c +++ b/drivers/pcmcia/hd64465_ss.c @@ -233,15 +233,18 @@ static struct hw_interrupt_type hd64465_ss_irq_type = { */ static void hs_map_irq(hs_socket_t *sp, unsigned int irq) { + struct irq_desc *desc; + DPRINTK("hs_map_irq(sock=%d irq=%d)\n", sp->number, irq); if (irq >= HS_NUM_MAPPED_IRQS) return; + desc = irq_to_desc(irq); hs_mapped_irq[irq].sock = sp; /* insert ourselves as the irq controller */ - hs_mapped_irq[irq].old_handler = irq_desc[irq].chip; - irq_desc[irq].chip = &hd64465_ss_irq_type; + hs_mapped_irq[irq].old_handler = desc->chip; + desc->chip = &hd64465_ss_irq_type; } @@ -250,13 +253,16 @@ static void hs_map_irq(hs_socket_t *sp, unsigned int irq) */ static void hs_unmap_irq(hs_socket_t *sp, unsigned int irq) { + struct irq_desc *desc; + DPRINTK("hs_unmap_irq(sock=%d irq=%d)\n", sp->number, irq); if (irq >= HS_NUM_MAPPED_IRQS) return; + desc = irq_to_desc(irq); /* restore the original irq controller */ - irq_desc[irq].chip = hs_mapped_irq[irq].old_handler; + desc->chip = hs_mapped_irq[irq].old_handler; } /*============================================================*/ diff --git a/drivers/xen/events.c b/drivers/xen/events.c index ed8235187dc0..56ace47f24d6 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -125,7 +125,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) BUG_ON(irq == -1); #ifdef CONFIG_SMP - irq_desc[irq].affinity = cpumask_of_cpu(cpu); + irq_to_desc(irq)->affinity = cpumask_of_cpu(cpu); #endif __clear_bit(chn, cpu_evtchn_mask[cpu_evtchn[chn]]); @@ -139,8 +139,10 @@ static void init_evtchn_cpu_bindings(void) #ifdef CONFIG_SMP int i; /* By default all event channels notify CPU#0. */ - for (i = 0; i < nr_irqs; i++) - irq_desc[i].affinity = cpumask_of_cpu(0); + for (i = 0; i < nr_irqs; i++) { + struct irq_desc *desc = irq_to_desc(i); + desc->affinity = cpumask_of_cpu(0); + } #endif memset(cpu_evtchn, 0, sizeof(cpu_evtchn)); diff --git a/include/linux/irq.h b/include/linux/irq.h index 5f4b013624dc..80b8200f2adb 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -152,6 +152,10 @@ struct irq_chip { * @name: flow handler name for /proc/interrupts output */ struct irq_desc { + unsigned int irq; +#ifdef CONFIG_HAVE_SPARSE_IRQ + struct irq_desc *next; +#endif irq_flow_handler_t handle_irq; struct irq_chip *chip; struct msi_desc *msi_desc; @@ -179,9 +183,9 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; -#ifdef CONFIG_HAVE_DYN_ARRAY -extern struct irq_desc *irq_desc; -#else +extern struct irq_desc *irq_to_desc(unsigned int irq); +#ifndef CONFIG_HAVE_DYN_ARRAY +/* could be removed if we get rid of all irq_desc reference */ extern struct irq_desc irq_desc[NR_IRQS]; #endif @@ -249,7 +253,10 @@ extern int no_irq_affinity; static inline int irq_balancing_disabled(unsigned int irq) { - return irq_desc[irq].status & IRQ_NO_BALANCING_MASK; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + return desc->status & IRQ_NO_BALANCING_MASK; } /* Handle irq action chains: */ @@ -281,7 +288,7 @@ extern unsigned int __do_IRQ(unsigned int irq); */ static inline void generic_handle_irq(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); #ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ desc->handle_irq(irq, desc); @@ -325,7 +332,10 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, static inline void __set_irq_handler_unlocked(int irq, irq_flow_handler_t handler) { - irq_desc[irq].handle_irq = handler; + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->handle_irq = handler; } /* @@ -359,7 +369,7 @@ extern void destroy_irq(unsigned int irq); /* Test to see if a driver has successfully requested an irq */ static inline int irq_has_action(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); return desc->action != NULL; } @@ -374,10 +384,10 @@ extern int set_irq_chip_data(unsigned int irq, void *data); extern int set_irq_type(unsigned int irq, unsigned int type); extern int set_irq_msi(unsigned int irq, struct msi_desc *entry); -#define get_irq_chip(irq) (irq_desc[irq].chip) -#define get_irq_chip_data(irq) (irq_desc[irq].chip_data) -#define get_irq_data(irq) (irq_desc[irq].handler_data) -#define get_irq_msi(irq) (irq_desc[irq].msi_desc) +#define get_irq_chip(irq) (irq_to_desc(irq)->chip) +#define get_irq_chip_data(irq) (irq_to_desc(irq)->chip_data) +#define get_irq_data(irq) (irq_to_desc(irq)->handler_data) +#define get_irq_msi(irq) (irq_to_desc(irq)->msi_desc) #endif /* CONFIG_GENERIC_HARDIRQS */ diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index c689e9851a80..c45ab718cf07 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -39,7 +39,7 @@ unsigned long probe_irq_on(void) * flush such a longstanding irq before considering it as spurious. */ for (i = nr_irqs-1; i > 0; i--) { - desc = irq_desc + i; + desc = irq_to_desc(i); spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { @@ -69,7 +69,7 @@ unsigned long probe_irq_on(void) * happened in the previous stage, it may have masked itself) */ for (i = nr_irqs-1; i > 0; i--) { - desc = irq_desc + i; + desc = irq_to_desc(i); spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { @@ -92,7 +92,7 @@ unsigned long probe_irq_on(void) for (i = 0; i < nr_irqs; i++) { unsigned int status; - desc = irq_desc + i; + desc = irq_to_desc(i); spin_lock_irq(&desc->lock); status = desc->status; @@ -131,7 +131,7 @@ unsigned int probe_irq_mask(unsigned long val) mask = 0; for (i = 0; i < nr_irqs; i++) { - struct irq_desc *desc = irq_desc + i; + struct irq_desc *desc = irq_to_desc(i); unsigned int status; spin_lock_irq(&desc->lock); @@ -174,7 +174,7 @@ int probe_irq_off(unsigned long val) int i, irq_found = 0, nr_irqs = 0; for (i = 0; i < nr_irqs; i++) { - struct irq_desc *desc = irq_desc + i; + struct irq_desc *desc = irq_to_desc(i); unsigned int status; spin_lock_irq(&desc->lock); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index bba66e098703..76c225cf4b26 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -33,7 +33,7 @@ void dynamic_irq_init(unsigned int irq) } /* Ensure we don't have left over values from a previous use of this irq */ - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->status = IRQ_DISABLED; desc->chip = &no_irq_chip; @@ -65,7 +65,7 @@ void dynamic_irq_cleanup(unsigned int irq) return; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); if (desc->action) { spin_unlock_irqrestore(&desc->lock, flags); @@ -100,7 +100,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip) if (!chip) chip = &no_irq_chip; - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); irq_chip_set_defaults(chip); desc->chip = chip; @@ -126,7 +126,7 @@ int set_irq_type(unsigned int irq, unsigned int type) return -ENODEV; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); if (type == IRQ_TYPE_NONE) return 0; @@ -155,7 +155,7 @@ int set_irq_data(unsigned int irq, void *data) return -EINVAL; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->handler_data = data; spin_unlock_irqrestore(&desc->lock, flags); @@ -180,7 +180,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) "Trying to install msi data for IRQ%d\n", irq); return -EINVAL; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->msi_desc = entry; if (entry) @@ -198,9 +198,10 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) */ int set_irq_chip_data(unsigned int irq, void *data) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc; unsigned long flags; + desc = irq_to_desc(irq); if (irq >= nr_irqs || !desc->chip) { printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq); return -EINVAL; @@ -219,8 +220,9 @@ EXPORT_SYMBOL(set_irq_chip_data); */ static void default_enable(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc; + desc = irq_to_desc(irq); desc->chip->unmask(irq); desc->status &= ~IRQ_MASKED; } @@ -237,7 +239,10 @@ static void default_disable(unsigned int irq) */ static unsigned int default_startup(unsigned int irq) { - irq_desc[irq].chip->enable(irq); + struct irq_desc *desc; + + desc = irq_to_desc(irq); + desc->chip->enable(irq); return 0; } @@ -247,8 +252,9 @@ static unsigned int default_startup(unsigned int irq) */ static void default_shutdown(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc; + desc = irq_to_desc(irq); desc->chip->mask(irq); desc->status |= IRQ_MASKED; } @@ -551,7 +557,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, return; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); if (!handle) handle = handle_bad_irq; @@ -616,7 +622,7 @@ void __init set_irq_noprobe(unsigned int irq) return; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->status |= IRQ_NOPROBE; @@ -634,7 +640,7 @@ void __init set_irq_probe(unsigned int irq) return; } - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->status &= ~IRQ_NOPROBE; diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 6ce3bcc2b8f7..9fc33b3378e6 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -18,6 +18,14 @@ #include "internals.h" +#ifdef CONFIG_TRACE_IRQFLAGS + +/* + * lockdep: we want to handle all irq_desc locks as a single lock-class: + */ +static struct lock_class_key irq_desc_lock_class; +#endif + /** * handle_bad_irq - handle spurious and unhandled irqs * @irq: the interrupt number @@ -51,7 +59,8 @@ int nr_irqs = NR_IRQS; EXPORT_SYMBOL_GPL(nr_irqs); #ifdef CONFIG_HAVE_DYN_ARRAY -static struct irq_desc irq_desc_init __initdata = { +static struct irq_desc irq_desc_init = { + .irq = -1U, .status = IRQ_DISABLED, .chip = &no_irq_chip, .handle_irq = handle_bad_irq, @@ -62,6 +71,27 @@ static struct irq_desc irq_desc_init __initdata = { #endif }; + +static void init_one_irq_desc(struct irq_desc *desc) +{ + memcpy(desc, &irq_desc_init, sizeof(struct irq_desc)); +#ifdef CONFIG_TRACE_IRQFLAGS + lockdep_set_class(&desc->lock, &irq_desc_lock_class); +#endif +} + +#ifdef CONFIG_HAVE_SPARSE_IRQ +static int nr_irq_desc = 32; + +static int __init parse_nr_irq_desc(char *arg) +{ + if (arg) + nr_irq_desc = simple_strtoul(arg, NULL, 0); + return 0; +} + +early_param("nr_irq_desc", parse_nr_irq_desc); + static void __init init_work(void *data) { struct dyn_array *da = data; @@ -71,12 +101,83 @@ static void __init init_work(void *data) desc = *da->name; for (i = 0; i < *da->nr; i++) - memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc)); + init_one_irq_desc(&desc[i]); + + for (i = 1; i < *da->nr; i++) + desc[i-1].next = &desc[i]; } -struct irq_desc *irq_desc; +static struct irq_desc *sparse_irqs; +DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); + +extern int after_bootmem; +extern void *__alloc_bootmem_nopanic(unsigned long size, + unsigned long align, + unsigned long goal); +struct irq_desc *irq_to_desc(unsigned int irq) +{ + struct irq_desc *desc, *desc_pri; + int i; + int count = 0; + + BUG_ON(irq == -1U); + + desc_pri = desc = &sparse_irqs[0]; + while (desc) { + if (desc->irq == irq) + return desc; + + if (desc->irq == -1U) { + desc->irq = irq; + return desc; + } + desc_pri = desc; + desc = desc->next; + count++; + } + + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); + + if (after_bootmem) + desc = kzalloc(sizeof(struct irq_desc)*nr_irq_desc, GFP_ATOMIC); + else + desc = __alloc_bootmem_nopanic(sizeof(struct irq_desc)*nr_irq_desc, PAGE_SIZE, 0); + + if (!desc) + panic("please boot with nr_irq_desc= %d\n", count * 2); + + for (i = 0; i < nr_irq_desc; i++) + init_one_irq_desc(&desc[i]); + + for (i = 1; i < nr_irq_desc; i++) + desc[i-1].next = &desc[i]; + + desc->irq = irq; + desc_pri->next = desc; + + return desc; +} +#else +static void __init init_work(void *data) +{ + struct dyn_array *da = data; + int i; + struct irq_desc *desc; + + desc = *da->name; + + for (i = 0; i < *da->nr; i++) + init_one_irq_desc(&desc[i]); + +} +static struct irq_desc *irq_desc; DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); +#endif + #else struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { @@ -85,12 +186,23 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { .chip = &no_irq_chip, .handle_irq = handle_bad_irq, .depth = 1, - .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock), + .lock = __SPIN_LOCK_UNLOCKED(sparse_irqs->lock), #ifdef CONFIG_SMP .affinity = CPU_MASK_ALL #endif } }; + +#endif + +#ifndef CONFIG_HAVE_SPARSE_IRQ +struct irq_desc *irq_to_desc(unsigned int irq) +{ + if (irq < nr_irqs) + return &irq_desc[irq]; + + return NULL; +} #endif /* @@ -99,7 +211,10 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { */ static void ack_bad(unsigned int irq) { - print_irq_desc(irq, irq_desc + irq); + struct irq_desc *desc; + + desc = irq_to_desc(irq); + print_irq_desc(irq, desc); ack_bad_irq(irq); } @@ -196,7 +311,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action) */ unsigned int __do_IRQ(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); struct irqaction *action; unsigned int status; @@ -287,19 +402,16 @@ out: } #endif -#ifdef CONFIG_TRACE_IRQFLAGS - -/* - * lockdep: we want to handle all irq_desc locks as a single lock-class: - */ -static struct lock_class_key irq_desc_lock_class; +#ifdef CONFIG_TRACE_IRQFLAGS void early_init_irq_lock_class(void) { +#ifndef CONFIG_HAVE_DYN_ARRAY int i; for (i = 0; i < nr_irqs; i++) lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class); +#endif } - #endif + diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index d5a4333d8f1f..b5943e9f95aa 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -31,7 +31,7 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL; */ void synchronize_irq(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned int status; if (irq >= nr_irqs) @@ -64,7 +64,7 @@ EXPORT_SYMBOL(synchronize_irq); */ int irq_can_set_affinity(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (CHECK_IRQ_PER_CPU(desc->status) || !desc->chip || !desc->chip->set_affinity) @@ -81,7 +81,7 @@ int irq_can_set_affinity(unsigned int irq) */ int irq_set_affinity(unsigned int irq, cpumask_t cpumask) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (!desc->chip->set_affinity) return -EINVAL; @@ -111,14 +111,16 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask) int irq_select_affinity(unsigned int irq) { cpumask_t mask; + struct irq_desc *desc; if (!irq_can_set_affinity(irq)) return 0; cpus_and(mask, cpu_online_map, irq_default_affinity); - irq_desc[irq].affinity = mask; - irq_desc[irq].chip->set_affinity(irq, mask); + desc = irq_to_desc(irq); + desc->affinity = mask; + desc->chip->set_affinity(irq, mask); set_balance_irq_affinity(irq, mask); return 0; @@ -140,7 +142,7 @@ int irq_select_affinity(unsigned int irq) */ void disable_irq_nosync(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; if (irq >= nr_irqs) @@ -169,7 +171,7 @@ EXPORT_SYMBOL(disable_irq_nosync); */ void disable_irq(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (irq >= nr_irqs) return; @@ -211,7 +213,7 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq) */ void enable_irq(unsigned int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; if (irq >= nr_irqs) @@ -225,7 +227,7 @@ EXPORT_SYMBOL(enable_irq); static int set_irq_wake_real(unsigned int irq, unsigned int on) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); int ret = -ENXIO; if (desc->chip->set_wake) @@ -248,7 +250,7 @@ static int set_irq_wake_real(unsigned int irq, unsigned int on) */ int set_irq_wake(unsigned int irq, unsigned int on) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; int ret = 0; @@ -288,12 +290,13 @@ EXPORT_SYMBOL(set_irq_wake); */ int can_request_irq(unsigned int irq, unsigned long irqflags) { + struct irq_desc *desc = irq_to_desc(irq); struct irqaction *action; - if (irq >= nr_irqs || irq_desc[irq].status & IRQ_NOREQUEST) + if (irq >= nr_irqs || desc->status & IRQ_NOREQUEST) return 0; - action = irq_desc[irq].action; + action = desc->action; if (action) if (irqflags & action->flags & IRQF_SHARED) action = NULL; @@ -349,7 +352,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, */ int setup_irq(unsigned int irq, struct irqaction *new) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); struct irqaction *old, **p; const char *old_name = NULL; unsigned long flags; @@ -518,7 +521,7 @@ void free_irq(unsigned int irq, void *dev_id) if (irq >= nr_irqs) return; - desc = irq_desc + irq; + desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); p = &desc->action; for (;;) { @@ -615,6 +618,7 @@ int request_irq(unsigned int irq, irq_handler_t handler, { struct irqaction *action; int retval; + struct irq_desc *desc; #ifdef CONFIG_LOCKDEP /* @@ -632,7 +636,8 @@ int request_irq(unsigned int irq, irq_handler_t handler, return -EINVAL; if (irq >= nr_irqs) return -EINVAL; - if (irq_desc[irq].status & IRQ_NOREQUEST) + desc = irq_to_desc(irq); + if (desc->status & IRQ_NOREQUEST) return -EINVAL; if (!handler) return -EINVAL; diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index 77b7acc875c5..90b920d3f52b 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -3,18 +3,18 @@ void set_pending_irq(unsigned int irq, cpumask_t mask) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; spin_lock_irqsave(&desc->lock, flags); desc->status |= IRQ_MOVE_PENDING; - irq_desc[irq].pending_mask = mask; + desc->pending_mask = mask; spin_unlock_irqrestore(&desc->lock, flags); } void move_masked_irq(int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); cpumask_t tmp; if (likely(!(desc->status & IRQ_MOVE_PENDING))) @@ -30,7 +30,7 @@ void move_masked_irq(int irq) desc->status &= ~IRQ_MOVE_PENDING; - if (unlikely(cpus_empty(irq_desc[irq].pending_mask))) + if (unlikely(cpus_empty(desc->pending_mask))) return; if (!desc->chip->set_affinity) @@ -38,7 +38,7 @@ void move_masked_irq(int irq) assert_spin_locked(&desc->lock); - cpus_and(tmp, irq_desc[irq].pending_mask, cpu_online_map); + cpus_and(tmp, desc->pending_mask, cpu_online_map); /* * If there was a valid mask to work with, please @@ -55,12 +55,12 @@ void move_masked_irq(int irq) if (likely(!cpus_empty(tmp))) { desc->chip->set_affinity(irq,tmp); } - cpus_clear(irq_desc[irq].pending_mask); + cpus_clear(desc->pending_mask); } void move_native_irq(int irq) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); if (likely(!(desc->status & IRQ_MOVE_PENDING))) return; diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index e5225a65a4f9..c2f356c808f6 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -19,7 +19,7 @@ static struct proc_dir_entry *root_irq_dir; static int irq_affinity_proc_show(struct seq_file *m, void *v) { - struct irq_desc *desc = irq_desc + (long)m->private; + struct irq_desc *desc = irq_to_desc((long)m->private); cpumask_t *mask = &desc->affinity; #ifdef CONFIG_GENERIC_PENDING_IRQ @@ -43,7 +43,7 @@ static ssize_t irq_affinity_proc_write(struct file *file, cpumask_t new_value; int err; - if (!irq_desc[irq].chip->set_affinity || no_irq_affinity || + if (!irq_to_desc(irq)->chip->set_affinity || no_irq_affinity || irq_balancing_disabled(irq)) return -EIO; @@ -132,20 +132,20 @@ static const struct file_operations default_affinity_proc_fops = { static int irq_spurious_read(char *page, char **start, off_t off, int count, int *eof, void *data) { - struct irq_desc *d = &irq_desc[(long) data]; + struct irq_desc *desc = irq_to_desc((long) data); return sprintf(page, "count %u\n" "unhandled %u\n" "last_unhandled %u ms\n", - d->irq_count, - d->irqs_unhandled, - jiffies_to_msecs(d->last_unhandled)); + desc->irq_count, + desc->irqs_unhandled, + jiffies_to_msecs(desc->last_unhandled)); } #define MAX_NAMELEN 128 static int name_unique(unsigned int irq, struct irqaction *new_action) { - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); struct irqaction *action; unsigned long flags; int ret = 1; @@ -165,8 +165,9 @@ static int name_unique(unsigned int irq, struct irqaction *new_action) void register_handler_proc(unsigned int irq, struct irqaction *action) { char name [MAX_NAMELEN]; + struct irq_desc *desc = irq_to_desc(irq); - if (!irq_desc[irq].dir || action->dir || !action->name || + if (!desc->dir || action->dir || !action->name || !name_unique(irq, action)) return; @@ -174,7 +175,7 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) snprintf(name, MAX_NAMELEN, "%s", action->name); /* create /proc/irq/1234/handler/ */ - action->dir = proc_mkdir(name, irq_desc[irq].dir); + action->dir = proc_mkdir(name, desc->dir); } #undef MAX_NAMELEN @@ -185,25 +186,24 @@ void register_irq_proc(unsigned int irq) { char name [MAX_NAMELEN]; struct proc_dir_entry *entry; + struct irq_desc *desc = irq_to_desc(irq); - if (!root_irq_dir || - (irq_desc[irq].chip == &no_irq_chip) || - irq_desc[irq].dir) + if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir) return; memset(name, 0, MAX_NAMELEN); sprintf(name, "%d", irq); /* create /proc/irq/1234 */ - irq_desc[irq].dir = proc_mkdir(name, root_irq_dir); + desc->dir = proc_mkdir(name, root_irq_dir); #ifdef CONFIG_SMP /* create /proc/irq//smp_affinity */ - proc_create_data("smp_affinity", 0600, irq_desc[irq].dir, + proc_create_data("smp_affinity", 0600, desc->dir, &irq_affinity_proc_fops, (void *)(long)irq); #endif - entry = create_proc_entry("spurious", 0444, irq_desc[irq].dir); + entry = create_proc_entry("spurious", 0444, desc->dir); if (entry) { entry->data = (void *)(long)irq; entry->read_proc = irq_spurious_read; @@ -214,8 +214,10 @@ void register_irq_proc(unsigned int irq) void unregister_handler_proc(unsigned int irq, struct irqaction *action) { - if (action->dir) - remove_proc_entry(action->dir->name, irq_desc[irq].dir); + if (action->dir) { + struct irq_desc *desc = irq_to_desc(irq); + remove_proc_entry(action->dir->name, desc->dir); + } } void register_default_affinity_proc(void) diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index cba8aa5bc7f4..89c7117acf2b 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -36,7 +36,7 @@ static void resend_irqs(unsigned long arg) while (!bitmap_empty(irqs_resend, nr_irqs)) { irq = find_first_bit(irqs_resend, nr_irqs); clear_bit(irq, irqs_resend); - desc = irq_desc + irq; + desc = irq_to_desc(irq); local_irq_disable(); desc->handle_irq(irq, desc); local_irq_enable(); diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index e26ca1e90c08..b5d906002e1d 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -92,11 +92,12 @@ static int misrouted_irq(int irq) int ok = 0; for (i = 1; i < nr_irqs; i++) { - struct irq_desc *desc = irq_desc + i; + struct irq_desc *desc; if (i == irq) /* Already tried */ continue; + desc = irq_to_desc(i); if (try_one_irq(i, desc)) ok = 1; } @@ -108,7 +109,7 @@ static void poll_spurious_irqs(unsigned long dummy) { int i; for (i = 1; i < nr_irqs; i++) { - struct irq_desc *desc = irq_desc + i; + struct irq_desc *desc = irq_to_desc(i); unsigned int status; /* Racy but it doesn't matter */ -- GitLab From 3bf52a4df3ccd25d4154797977c556a2a8b3bc1e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 19 Aug 2008 20:50:29 -0700 Subject: [PATCH 5094/6244] irq: sparse irqs, fix IRQ auto-probe crash fix: [ 10.631533] calling yenta_socket_init+0x0/0x20 [ 10.631533] Yenta: CardBus bridge found at 0000:15:00.0 [17aa:2012] [ 10.631533] Yenta: Using INTVAL to route CSC interrupts to PCI [ 10.631533] Yenta: Routing CardBus interrupts to PCI [ 10.631533] Yenta TI: socket 0000:15:00.0, mfunc 0x01d01002, devctl 0x64 [ 10.731599] BUG: unable to handle kernel NULL pointer dereference at 00000040 [ 10.731838] IP: [] _spin_lock_irq+0xf/0x20 [ 10.732221] *pde = 00000000 [ 10.732741] Oops: 0002 [#1] SMP [ 10.733453] [ 10.734253] Pid: 1, comm: swapper Tainted: G W (2.6.27-rc3-tip-00173-gd7eaa4f-dirty #1) [ 10.735188] EIP: 0060:[] EFLAGS: 00010002 CPU: 0 [ 10.735523] EIP is at _spin_lock_irq+0xf/0x20 [ 10.735523] EAX: 00000040 EBX: 00000000 ECX: f6e04c90 EDX: 00000100 [ 10.735523] ESI: 000000df EDI: f6e04c90 EBP: f7867df0 ESP: f7867df0 [ 10.735523] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 10.735523] Process swapper (pid: 1, ti=f7867000 task=f7870000 task.ti=f7867000) [ 10.735523] Stack: f7867e04 c0155fbd 00000000 00000000 f6e04c90 f7867e5c c0c6e319 c0f6a074 [ 10.735523] f6e04c90 000017aa 00002012 c112b648 f791f240 c112b5e0 f7867e44 c010440b [ 10.735523] f791f240 f791f29c c112b8ec f791f240 00000000 f7867e5c c048f893 03c0b648 [ 10.735523] Call Trace: [ 10.735523] [] ? probe_irq_on+0x3d/0x140 [ 10.735523] [] ? yenta_probe+0x529/0x640 [ 10.735523] [] ? mcount_call+0x5/0xa [ 10.735523] [] ? pci_match_device+0xa3/0xb0 [ 10.735523] [] ? pci_device_probe+0x5e/0x80 [ 10.735523] [] ? driver_probe_device+0x83/0x180 [ 10.735523] [] ? __driver_attach+0x74/0x80 [ 10.735523] [] ? bus_for_each_dev+0x49/0x70 [ 10.735523] [] ? driver_attach+0x1e/0x20 [ 10.735523] [] ? __driver_attach+0x0/0x80 [ 10.735523] [] ? bus_add_driver+0x1a3/0x220 [ 10.735523] [] ? pci_device_remove+0x0/0x40 [ 10.735523] [] ? driver_register+0x54/0x130 [ 10.735523] [] ? __pci_register_driver+0x4f/0x90 [ 10.735523] [] ? yenta_socket_init+0x19/0x20 [ 10.735523] [] ? do_one_initcall+0x35/0x160 [ 10.735523] [] ? yenta_socket_init+0x0/0x20 [ 10.735523] [] ? __queue_work+0x36/0x50 [ 10.735523] [] ? queue_work_on+0x3d/0x50 [ 10.735523] [] ? kernel_init+0x148/0x210 [ 10.735523] [] ? kernel_init+0x0/0x210 [ 10.735523] [] ? kernel_thread_helper+0x7/0x10 [ 10.735523] ======================= [ 10.735523] Code: 10 38 f2 74 06 f3 90 8a 10 eb f6 5d 89 c8 c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 e8 a4 e8 46 ff fa ba 00 01 00 00 90 <66> 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 90 55 89 e5 53 as auto-probing wants to iterate over existing irqs. Signed-off-by: Ingo Molnar --- kernel/irq/autoprobe.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index c45ab718cf07..b3a5549ea81e 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -40,6 +40,8 @@ unsigned long probe_irq_on(void) */ for (i = nr_irqs-1; i > 0; i--) { desc = irq_to_desc(i); + if (!desc) + continue; spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { @@ -70,6 +72,8 @@ unsigned long probe_irq_on(void) */ for (i = nr_irqs-1; i > 0; i--) { desc = irq_to_desc(i); + if (!desc) + continue; spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { @@ -93,6 +97,8 @@ unsigned long probe_irq_on(void) unsigned int status; desc = irq_to_desc(i); + if (!desc) + continue; spin_lock_irq(&desc->lock); status = desc->status; @@ -134,6 +140,8 @@ unsigned int probe_irq_mask(unsigned long val) struct irq_desc *desc = irq_to_desc(i); unsigned int status; + if (!desc) + continue; spin_lock_irq(&desc->lock); status = desc->status; @@ -177,6 +185,8 @@ int probe_irq_off(unsigned long val) struct irq_desc *desc = irq_to_desc(i); unsigned int status; + if (!desc) + continue; spin_lock_irq(&desc->lock); status = desc->status; -- GitLab From 3ac2de48ed3c998df7f366e039c97eedb27e7c3d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:06 -0700 Subject: [PATCH 5095/6244] x86: add irq_cfg in io_apic_64.c preallocate size is 32, and if it is not enough, irq_cfg will more via alloc_bootmem() or kzalloc(). (depending on how early we are in system setup) v2: fix typo about size of init_one_irq_cfg ... should use sizeof(struct irq_cfg) v3: according to Eric, change get_irq_cfg() to irq_cfg() v4: squash add irq_cfg_alloc in Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 209 ++++++++++++++++++++++++++++------- 1 file changed, 169 insertions(+), 40 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index cab5a25d81b1..858c37a31a2f 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -57,7 +57,11 @@ #define __apicdebuginit(type) static type __init +struct irq_cfg; + struct irq_cfg { + unsigned int irq; + struct irq_cfg *next; cpumask_t domain; cpumask_t old_domain; unsigned move_cleanup_count; @@ -67,34 +71,132 @@ struct irq_cfg { /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ static struct irq_cfg irq_cfg_legacy[] __initdata = { - [0] = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, - [1] = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, - [2] = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, - [3] = { .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, - [4] = { .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, - [5] = { .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, - [6] = { .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, - [7] = { .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, - [8] = { .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, - [9] = { .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, - [10] = { .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, - [11] = { .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, - [12] = { .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, - [13] = { .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, - [14] = { .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, - [15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, + [0] = { .irq = 0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, + [1] = { .irq = 1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, + [2] = { .irq = 2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, + [3] = { .irq = 3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, + [4] = { .irq = 4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, + [5] = { .irq = 5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, + [6] = { .irq = 6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, + [7] = { .irq = 7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, + [8] = { .irq = 8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, + [9] = { .irq = 9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, + [10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, + [11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, + [12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, + [13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, + [14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, + [15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, }; -static struct irq_cfg *irq_cfg; +static struct irq_cfg irq_cfg_init = { .irq = -1U, }; +/* need to be biger than size of irq_cfg_legacy */ +static int nr_irq_cfg = 32; + +static int __init parse_nr_irq_cfg(char *arg) +{ + if (arg) { + nr_irq_cfg = simple_strtoul(arg, NULL, 0); + if (nr_irq_cfg < 32) + nr_irq_cfg = 32; + } + return 0; +} + +early_param("nr_irq_cfg", parse_nr_irq_cfg); + +static void init_one_irq_cfg(struct irq_cfg *cfg) +{ + memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg)); +} static void __init init_work(void *data) { struct dyn_array *da = data; + struct irq_cfg *cfg; + int i; - memcpy(*da->name, irq_cfg_legacy, sizeof(irq_cfg_legacy)); + cfg = *da->name; + + memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); + + i = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + for (; i < *da->nr; i++) + init_one_irq_cfg(&cfg[i]); + + for (i = 1; i < *da->nr; i++) + cfg[i-1].next = &cfg[i]; } -DEFINE_DYN_ARRAY(irq_cfg, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); +static struct irq_cfg *irq_cfgx; +DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); + +static struct irq_cfg *irq_cfg(unsigned int irq) +{ + struct irq_cfg *cfg; + + BUG_ON(irq == -1U); + + cfg = &irq_cfgx[0]; + while (cfg) { + if (cfg->irq == irq) + return cfg; + + if (cfg->irq == -1U) + return NULL; + + cfg = cfg->next; + } + + return NULL; +} + +static struct irq_cfg *irq_cfg_alloc(unsigned int irq) +{ + struct irq_cfg *cfg, *cfg_pri; + int i; + int count = 0; + + BUG_ON(irq == -1U); + + cfg_pri = cfg = &irq_cfgx[0]; + while (cfg) { + if (cfg->irq == irq) + return cfg; + + if (cfg->irq == -1U) { + cfg->irq = irq; + return cfg; + } + cfg_pri = cfg; + cfg = cfg->next; + count++; + } + + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); + + if (after_bootmem) + cfg = kzalloc(sizeof(struct irq_cfg)*nr_irq_cfg, GFP_ATOMIC); + else + cfg = __alloc_bootmem_nopanic(sizeof(struct irq_cfg)*nr_irq_cfg, PAGE_SIZE, 0); + + if (!cfg) + panic("please boot with nr_irq_cfg= %d\n", count * 2); + + for (i = 0; i < nr_irq_cfg; i++) + init_one_irq_cfg(&cfg[i]); + + for (i = 1; i < nr_irq_cfg; i++) + cfg[i-1].next = &cfg[i]; + + cfg->irq = irq; + cfg_pri->next = cfg; + + return cfg; +} static int assign_irq_vector(int irq, cpumask_t mask); @@ -341,7 +443,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg = irq_cfg(irq); unsigned long flags; unsigned int dest; cpumask_t tmp; @@ -381,6 +483,8 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) struct irq_pin_list *entry = irq_2_pin + irq; BUG_ON(irq >= nr_irqs); + irq_cfg_alloc(irq); + while (entry->next) entry = irq_2_pin + entry->next; @@ -819,7 +923,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask) struct irq_cfg *cfg; BUG_ON((unsigned)irq >= nr_irqs); - cfg = &irq_cfg[irq]; + cfg = irq_cfg(irq); /* Only try and allocate irqs on cpus that are present */ cpus_and(mask, mask, cpu_online_map); @@ -893,7 +997,7 @@ static void __clear_irq_vector(int irq) int cpu, vector; BUG_ON((unsigned)irq >= nr_irqs); - cfg = &irq_cfg[irq]; + cfg = irq_cfg(irq); BUG_ON(!cfg->vector); vector = cfg->vector; @@ -913,17 +1017,23 @@ void __setup_vector_irq(int cpu) /* Mark the inuse vectors */ for (irq = 0; irq < nr_irqs; ++irq) { - if (!cpu_isset(cpu, irq_cfg[irq].domain)) + struct irq_cfg *cfg = irq_cfg(irq); + + if (!cpu_isset(cpu, cfg->domain)) continue; - vector = irq_cfg[irq].vector; + vector = cfg->vector; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ for (vector = 0; vector < NR_VECTORS; ++vector) { + struct irq_cfg *cfg; + irq = per_cpu(vector_irq, cpu)[vector]; if (irq < 0) continue; - if (!cpu_isset(cpu, irq_cfg[irq].domain)) + + cfg = irq_cfg(irq); + if (!cpu_isset(cpu, cfg->domain)) per_cpu(vector_irq, cpu)[vector] = -1; } } @@ -1029,13 +1139,15 @@ static int setup_ioapic_entry(int apic, int irq, static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, int trigger, int polarity) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; struct IO_APIC_route_entry entry; cpumask_t mask; if (!IO_APIC_IRQ(irq)) return; + cfg = irq_cfg(irq); + mask = TARGET_CPUS; if (assign_irq_vector(irq, mask)) return; @@ -1553,7 +1665,7 @@ static unsigned int startup_ioapic_irq(unsigned int irq) static int ioapic_retrigger_irq(unsigned int irq) { - struct irq_cfg *cfg = &irq_cfg[irq]; + struct irq_cfg *cfg = irq_cfg(irq); unsigned long flags; spin_lock_irqsave(&vector_lock, flags); @@ -1600,7 +1712,7 @@ static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration); */ static void migrate_ioapic_irq(int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; struct irq_desc *desc; cpumask_t tmp, cleanup_mask; struct irte irte; @@ -1618,6 +1730,7 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask) if (assign_irq_vector(irq, mask)) return; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); @@ -1735,7 +1848,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) continue; desc = irq_to_desc(irq); - cfg = irq_cfg + irq; + cfg = irq_cfg(irq); spin_lock(&desc->lock); if (!cfg->move_cleanup_count) goto unlock; @@ -1754,7 +1867,7 @@ unlock: static void irq_complete_move(unsigned int irq) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg = irq_cfg(irq); unsigned vector, me; if (likely(!cfg->move_in_progress)) @@ -1891,7 +2004,10 @@ static inline void init_IO_APIC_traps(void) * 0x80, because int 0x80 is hm, kind of importantish. ;) */ for (irq = 0; irq < nr_irqs ; irq++) { - if (IO_APIC_IRQ(irq) && !irq_cfg[irq].vector) { + struct irq_cfg *cfg; + + cfg = irq_cfg(irq); + if (IO_APIC_IRQ(irq) && !cfg->vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 @@ -2028,7 +2144,7 @@ static inline void __init unlock_ExtINT_logic(void) */ static inline void __init check_timer(void) { - struct irq_cfg *cfg = irq_cfg + 0; + struct irq_cfg *cfg = irq_cfg(0); int apic1, pin1, apic2, pin2; unsigned long flags; int no_pin1 = 0; @@ -2306,14 +2422,19 @@ int create_irq(void) int irq; int new; unsigned long flags; + struct irq_cfg *cfg_new; irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); for (new = (nr_irqs - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; - if (irq_cfg[new].vector != 0) + cfg_new = irq_cfg(new); + if (cfg_new && cfg_new->vector != 0) continue; + /* check if need to create one */ + if (!cfg_new) + cfg_new = irq_cfg_alloc(new); if (__assign_irq_vector(new, TARGET_CPUS) == 0) irq = new; break; @@ -2346,7 +2467,7 @@ void destroy_irq(unsigned int irq) #ifdef CONFIG_PCI_MSI static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; int err; unsigned dest; cpumask_t tmp; @@ -2356,6 +2477,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms if (err) return err; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); @@ -2413,7 +2535,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms #ifdef CONFIG_SMP static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; struct msi_msg msg; unsigned int dest; cpumask_t tmp; @@ -2426,6 +2548,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) if (assign_irq_vector(irq, mask)) return; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); @@ -2448,7 +2571,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) */ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; unsigned int dest; cpumask_t tmp, cleanup_mask; struct irte irte; @@ -2464,6 +2587,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) if (assign_irq_vector(irq, mask)) return; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); @@ -2670,7 +2794,7 @@ void arch_teardown_msi_irq(unsigned int irq) #ifdef CONFIG_SMP static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; struct msi_msg msg; unsigned int dest; cpumask_t tmp; @@ -2683,6 +2807,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) if (assign_irq_vector(irq, mask)) return; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); @@ -2749,7 +2874,7 @@ static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector) static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; unsigned int dest; cpumask_t tmp; struct irq_desc *desc; @@ -2761,6 +2886,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) if (assign_irq_vector(irq, mask)) return; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); @@ -2783,7 +2909,7 @@ static struct irq_chip ht_irq_chip = { int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) { - struct irq_cfg *cfg = irq_cfg + irq; + struct irq_cfg *cfg; int err; cpumask_t tmp; @@ -2793,6 +2919,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) struct ht_irq_msg msg; unsigned dest; + cfg = irq_cfg(irq); cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); @@ -2891,6 +3018,7 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) void __init setup_ioapic_dest(void) { int pin, ioapic, irq, irq_entry; + struct irq_cfg *cfg; if (skip_ioapic_setup == 1) return; @@ -2906,7 +3034,8 @@ void __init setup_ioapic_dest(void) * when you have too many devices, because at that time only boot * cpu is online. */ - if (!irq_cfg[irq].vector) + cfg = irq_cfg(irq); + if (!cfg->vector) setup_IO_APIC_irq(ioapic, pin, irq, irq_trigger(irq_entry), irq_polarity(irq_entry)); -- GitLab From e5a53714acfc7b5f868d07d27c5f02cb00b118db Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:07 -0700 Subject: [PATCH 5096/6244] x86: put irq_2_pin pointer into irq_cfg preallocate 32 irq_2_pin entries, and use get_one_free_irq_2_pin() to get one more and link to irq_cfg if needed. so don't waste one where no irq is enabled. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 161 ++++++++++++++++++++++++++--------- 1 file changed, 120 insertions(+), 41 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 858c37a31a2f..51ef7eb75f2e 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -58,10 +58,11 @@ #define __apicdebuginit(type) static type __init struct irq_cfg; - +struct irq_pin_list; struct irq_cfg { unsigned int irq; struct irq_cfg *next; + struct irq_pin_list *irq_2_pin; cpumask_t domain; cpumask_t old_domain; unsigned move_cleanup_count; @@ -252,13 +253,66 @@ int pin_map_size; * between pins and IRQs. */ -static struct irq_pin_list { - short apic, pin; - int next; -} *irq_2_pin; +struct irq_pin_list { + int apic, pin; + struct irq_pin_list *next; +}; + +static struct irq_pin_list *irq_2_pin_head; +/* fill one page ? */ +static int nr_irq_2_pin = 0x100; +static struct irq_pin_list *irq_2_pin_ptr; +static void __init irq_2_pin_init_work(void *data) +{ + struct dyn_array *da = data; + struct irq_pin_list *pin; + int i; + + pin = *da->name; + + for (i = 1; i < *da->nr; i++) + pin[i-1].next = &pin[i]; + + irq_2_pin_ptr = &pin[0]; +} +DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work); + +static struct irq_pin_list *get_one_free_irq_2_pin(void) +{ + struct irq_pin_list *pin; + int i; + + pin = irq_2_pin_ptr; + + if (pin) { + irq_2_pin_ptr = pin->next; + pin->next = NULL; + return pin; + } + + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin); + + if (after_bootmem) + pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin, + GFP_ATOMIC); + else + pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) * + nr_irq_2_pin, PAGE_SIZE, 0); + + if (!pin) + panic("can not get more irq_2_pin\n"); -DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, sizeof(struct irq_pin_list), NULL); + for (i = 1; i < nr_irq_2_pin; i++) + pin[i-1].next = &pin[i]; + irq_2_pin_ptr = pin->next; + pin->next = NULL; + + return pin; +} struct io_apic { unsigned int index; @@ -300,16 +354,17 @@ static bool io_apic_level_ack_pending(unsigned int irq) { struct irq_pin_list *entry; unsigned long flags; + struct irq_cfg *cfg = irq_cfg(irq); spin_lock_irqsave(&ioapic_lock, flags); - entry = irq_2_pin + irq; + entry = cfg->irq_2_pin; for (;;) { unsigned int reg; int pin; - pin = entry->pin; - if (pin == -1) + if (!entry) break; + pin = entry->pin; reg = io_apic_read(entry->apic, 0x10 + pin*2); /* Is the remote IRR bit set? */ if (reg & IO_APIC_REDIR_REMOTE_IRR) { @@ -318,7 +373,7 @@ static bool io_apic_level_ack_pending(unsigned int irq) } if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } spin_unlock_irqrestore(&ioapic_lock, flags); @@ -339,21 +394,24 @@ static inline void io_apic_sync(unsigned int apic) \ { \ int pin; \ - struct irq_pin_list *entry = irq_2_pin + irq; \ + struct irq_cfg *cfg; \ + struct irq_pin_list *entry; \ \ BUG_ON(irq >= nr_irqs); \ + cfg = irq_cfg(irq); \ + entry = cfg->irq_2_pin; \ for (;;) { \ unsigned int reg; \ - pin = entry->pin; \ - if (pin == -1) \ + if (!entry) \ break; \ + pin = entry->pin; \ reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ reg ACTION; \ io_apic_modify(entry->apic, reg); \ FINAL; \ if (!entry->next) \ break; \ - entry = irq_2_pin + entry->next; \ + entry = entry->next; \ } \ } @@ -416,15 +474,20 @@ static void ioapic_mask_entry(int apic, int pin) static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) { int apic, pin; - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg; + struct irq_pin_list *entry; BUG_ON(irq >= nr_irqs); + cfg = irq_cfg(irq); + entry = cfg->irq_2_pin; for (;;) { unsigned int reg; + + if (!entry) + break; + apic = entry->apic; pin = entry->pin; - if (pin == -1) - break; /* * With interrupt-remapping, destination information comes * from interrupt-remapping table entry. @@ -437,7 +500,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) io_apic_modify(apic, reg); if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } } @@ -480,22 +543,35 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) int first_free_entry; static void add_pin_to_irq(unsigned int irq, int apic, int pin) { - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg; + struct irq_pin_list *entry; BUG_ON(irq >= nr_irqs); - irq_cfg_alloc(irq); + /* first time to refer irq_cfg, so with new */ + cfg = irq_cfg_alloc(irq); + entry = cfg->irq_2_pin; + if (!entry) { + entry = get_one_free_irq_2_pin(); + cfg->irq_2_pin = entry; + entry->apic = apic; + entry->pin = pin; + printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); + return; + } - while (entry->next) - entry = irq_2_pin + entry->next; + while (entry->next) { + /* not again, please */ + if (entry->apic == apic && entry->pin == pin) + return; - if (entry->pin != -1) { - entry->next = first_free_entry; - entry = irq_2_pin + entry->next; - if (++first_free_entry >= pin_map_size) - panic("io_apic.c: ran out of irq_2_pin entries!"); + entry = entry->next; } + + entry->next = get_one_free_irq_2_pin(); + entry = entry->next; entry->apic = apic; entry->pin = pin; + printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); } /* @@ -505,17 +581,24 @@ static void __init replace_pin_at_irq(unsigned int irq, int oldapic, int oldpin, int newapic, int newpin) { - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg = irq_cfg(irq); + struct irq_pin_list *entry = cfg->irq_2_pin; + int replaced = 0; - while (1) { + while (entry) { if (entry->apic == oldapic && entry->pin == oldpin) { entry->apic = newapic; entry->pin = newpin; - } - if (!entry->next) + replaced = 1; + /* every one is different, right? */ break; - entry = irq_2_pin + entry->next; + } + entry = entry->next; } + + /* why? call replace before add? */ + if (!replaced) + add_pin_to_irq(irq, newapic, newpin); } @@ -1326,15 +1409,16 @@ __apicdebuginit(void) print_IO_APIC(void) } printk(KERN_DEBUG "IRQ to pin mappings:\n"); for (i = 0; i < nr_irqs; i++) { - struct irq_pin_list *entry = irq_2_pin + i; - if (entry->pin < 0) + struct irq_cfg *cfg = irq_cfg(i); + struct irq_pin_list *entry = cfg->irq_2_pin; + if (!entry) continue; printk(KERN_DEBUG "IRQ%d ", i); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } printk("\n"); } @@ -1495,14 +1579,9 @@ void __init enable_IO_APIC(void) { union IO_APIC_reg_01 reg_01; int i8259_apic, i8259_pin; - int i, apic; + int apic; unsigned long flags; - for (i = 0; i < pin_map_size; i++) { - irq_2_pin[i].pin = -1; - irq_2_pin[i].next = 0; - } - /* * The number of IO-APIC IRQ registers (== #pins): */ -- GitLab From 3060d6fe28570640c2d7d66d38b9eaa848c3b9e3 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:08 -0700 Subject: [PATCH 5097/6244] x86: put timer_rand_state pointer into irq_desc irq_timer_state[] is a NR_IRQS sized array that is a side-by array to the real irq_desc[] array. Integrate that field into the (now dynamic) irq_desc dynamic array and save some RAM. v2: keep the old way to support arch not support irq_desc Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/char/random.c | 66 +++++++++++++++++++++++++++++++++++++++---- include/linux/irq.h | 2 ++ 2 files changed, 63 insertions(+), 5 deletions(-) diff --git a/drivers/char/random.c b/drivers/char/random.c index 1610aa64c7cf..60c9c7ee6b2c 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -558,7 +558,7 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; -static struct timer_rand_state input_timer_state; +#ifndef CONFIG_HAVE_SPARSE_IRQ #ifdef CONFIG_HAVE_DYN_ARRAY static struct timer_rand_state **irq_timer_state; @@ -567,6 +567,51 @@ DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PA static struct timer_rand_state *irq_timer_state[NR_IRQS]; #endif +static struct timer_rand_state *get_timer_rand_state(unsigned int irq) +{ + if (irq >= nr_irqs) + return NULL; + + return irq_timer_state[irq]; +} + +static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state) +{ + if (irq >= nr_irqs) + return; + + irq_timer_state[irq] = state; +} + +#else + +static struct timer_rand_state *get_timer_rand_state(unsigned int irq) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + + if (!desc) + return NULL; + + return desc->timer_rand_state; +} + +static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + + if (!desc) + return; + + desc->timer_rand_state = state; +} +#endif + +static struct timer_rand_state input_timer_state; + /* * This function adds entropy to the entropy "pool" by using timing * delays. It uses the timer_rand_state structure to make an estimate @@ -654,11 +699,15 @@ EXPORT_SYMBOL_GPL(add_input_randomness); void add_interrupt_randomness(int irq) { - if (irq >= nr_irqs || irq_timer_state[irq] == NULL) + struct timer_rand_state *state; + + state = get_timer_rand_state(irq); + + if (state == NULL) return; DEBUG_ENT("irq event %d\n", irq); - add_timer_randomness(irq_timer_state[irq], 0x100 + irq); + add_timer_randomness(state, 0x100 + irq); } #ifdef CONFIG_BLOCK @@ -918,7 +967,14 @@ void rand_initialize_irq(int irq) { struct timer_rand_state *state; - if (irq >= nr_irqs || irq_timer_state[irq]) +#ifndef CONFIG_HAVE_SPARSE_IRQ + if (irq >= nr_irqs) + return; +#endif + + state = get_timer_rand_state(irq); + + if (state) return; /* @@ -927,7 +983,7 @@ void rand_initialize_irq(int irq) */ state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL); if (state) - irq_timer_state[irq] = state; + set_timer_rand_state(irq, state); } #ifdef CONFIG_BLOCK diff --git a/include/linux/irq.h b/include/linux/irq.h index 80b8200f2adb..60c856aaac0f 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -127,6 +127,7 @@ struct irq_chip { const char *typename; }; +struct timer_rand_state; /** * struct irq_desc - interrupt descriptor * @@ -155,6 +156,7 @@ struct irq_desc { unsigned int irq; #ifdef CONFIG_HAVE_SPARSE_IRQ struct irq_desc *next; + struct timer_rand_state *timer_rand_state; #endif irq_flow_handler_t handle_irq; struct irq_chip *chip; -- GitLab From 7f95ec9e4c12fd067febfd57532da1166d75d858 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:09 -0700 Subject: [PATCH 5098/6244] x86: move kstat_irqs from kstat to irq_desc based on Eric's patch ... together mold it with dyn_array for irq_desc, will allcate kstat_irqs for nr_irq_desc alltogether if needed. -- at that point nr_cpus is known already. v2: make sure system without generic_hardirqs works they don't have irq_desc v3: fix merging v4: [mingo@elte.hu] fix typo [ mingo@elte.hu ] irq: build fix fix: arch/x86/xen/spinlock.c: In function 'xen_spin_lock_slow': arch/x86/xen/spinlock.c:90: error: 'struct kernel_stat' has no member named 'irqs' Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 2 +- arch/x86/kernel/irq_32.c | 4 +- arch/x86/kernel/irq_64.c | 4 +- arch/x86/kernel/visws_quirks.c | 2 +- arch/x86/xen/spinlock.c | 2 +- fs/proc/proc_misc.c | 2 +- include/linux/irq.h | 7 +++ include/linux/kernel_stat.h | 22 +++++--- kernel/irq/chip.c | 15 ++---- kernel/irq/handle.c | 97 ++++++++++++++++++++++++---------- kernel/sched.c | 5 +- 11 files changed, 106 insertions(+), 56 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index c2160cfdec9b..204884b1415a 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -526,7 +526,7 @@ static void do_irq_balance(void) if (package_index == i) IRQ_DELTA(package_index, j) = 0; /* Determine the total count per processor per IRQ */ - value_now = (unsigned long) kstat_cpu(i).irqs[j]; + value_now = (unsigned long) kstat_irqs_cpu(j, i); /* Determine the activity per processor per IRQ */ delta = value_now - LAST_CPU_IRQ(i, j); diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index ede513be517d..576c5df6cad8 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -280,7 +280,7 @@ int show_interrupts(struct seq_file *p, void *v) any_count = kstat_irqs(i); #else for_each_online_cpu(j) - any_count |= kstat_cpu(j).irqs[i]; + any_count |= kstat_irqs_cpu(i, j); #endif action = desc->action; if (!action && !any_count) @@ -290,7 +290,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_irqs(i)); #else for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); #endif seq_printf(p, " %8s", desc->chip->name); seq_printf(p, "-%-8s", desc->name); diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 738eb65a924e..4a0a4eb44dcb 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -90,7 +90,7 @@ int show_interrupts(struct seq_file *p, void *v) any_count = kstat_irqs(i); #else for_each_online_cpu(j) - any_count |= kstat_cpu(j).irqs[i]; + any_count |= kstat_irqs_cpu(i, j); #endif action = desc->action; if (!action && !any_count) @@ -100,7 +100,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_irqs(i)); #else for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); #endif seq_printf(p, " %8s", desc->chip->name); seq_printf(p, "-%-8s", desc->name); diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 9d85ab384435..817aa55a1209 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -633,7 +633,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id) /* * handle this 'virtual interrupt' as a Cobalt one now. */ - kstat_cpu(smp_processor_id()).irqs[realirq]++; + kstat_irqs_this_cpu(desc)++; if (likely(desc->action != NULL)) handle_IRQ_event(realirq, desc->action); diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index dd71e3a021cd..bb6bc721b13d 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -241,7 +241,7 @@ static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enabl ADD_STATS(taken_slow_spurious, !xen_test_irq_pending(irq)); } while (!xen_test_irq_pending(irq)); /* check for spurious wakeups */ - kstat_this_cpu.irqs[irq]++; + kstat_irqs_this_cpu(irq_to_desc(irq))++; out: raw_local_irq_restore(flags); diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index a2173a2a5625..aa069acf61a0 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -532,7 +532,7 @@ static int show_stat(struct seq_file *p, void *v) steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal); guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest); for (j = 0; j < nr_irqs; j++) { - unsigned int temp = kstat_cpu(i).irqs[j]; + unsigned int temp = kstat_irqs_cpu(j, i); sum += temp; per_irq_sum[j] += temp; } diff --git a/include/linux/irq.h b/include/linux/irq.h index 60c856aaac0f..cbf471aee1ce 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -157,6 +157,11 @@ struct irq_desc { #ifdef CONFIG_HAVE_SPARSE_IRQ struct irq_desc *next; struct timer_rand_state *timer_rand_state; +#endif +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned int *kstat_irqs; +#else + unsigned int kstat_irqs[NR_CPUS]; #endif irq_flow_handler_t handle_irq; struct irq_chip *chip; @@ -190,6 +195,8 @@ extern struct irq_desc *irq_to_desc(unsigned int irq); /* could be removed if we get rid of all irq_desc reference */ extern struct irq_desc irq_desc[NR_IRQS]; #endif +#define kstat_irqs_this_cpu(DESC) \ + ((DESC)->kstat_irqs[smp_processor_id()]) /* * Migration helpers for obsolete names, they will go away: diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index fe1f7fe534b4..f10616712de5 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -28,10 +28,8 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned int *irqs; -#else - unsigned int irqs[NR_IRQS]; +#ifndef CONFIG_GENERIC_HARDIRQS + unsigned int irqs[NR_IRQS]; #endif }; @@ -43,15 +41,25 @@ DECLARE_PER_CPU(struct kernel_stat, kstat); extern unsigned long long nr_context_switches(void); +#ifndef CONFIG_GENERIC_HARDIRQS +static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) +{ + return kstat_cpu(cpu).irqs[irq]; +} +#else +extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu); +#endif + /* * Number of interrupts per specific IRQ source, since bootup */ -static inline int kstat_irqs(int irq) +static inline unsigned int kstat_irqs(unsigned int irq) { - int cpu, sum = 0; + unsigned int sum = 0; + int cpu; for_each_possible_cpu(cpu) - sum += kstat_cpu(cpu).irqs[irq]; + sum += kstat_irqs_cpu(irq, cpu); return sum; } diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 76c225cf4b26..2aa3d4b2fce8 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -312,14 +312,13 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc) { struct irqaction *action; irqreturn_t action_ret; - const unsigned int cpu = smp_processor_id(); spin_lock(&desc->lock); if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); - kstat_cpu(cpu).irqs[irq]++; + kstat_irqs_this_cpu(desc)++; action = desc->action; if (unlikely(!action || (desc->status & IRQ_DISABLED))) @@ -351,7 +350,6 @@ out_unlock: void handle_level_irq(unsigned int irq, struct irq_desc *desc) { - unsigned int cpu = smp_processor_id(); struct irqaction *action; irqreturn_t action_ret; @@ -361,7 +359,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); - kstat_cpu(cpu).irqs[irq]++; + kstat_irqs_this_cpu(desc)++; /* * If its disabled or no action available @@ -399,7 +397,6 @@ out_unlock: void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) { - unsigned int cpu = smp_processor_id(); struct irqaction *action; irqreturn_t action_ret; @@ -409,7 +406,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) goto out; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); - kstat_cpu(cpu).irqs[irq]++; + kstat_irqs_this_cpu(desc)++; /* * If its disabled or no action available @@ -458,8 +455,6 @@ out: void handle_edge_irq(unsigned int irq, struct irq_desc *desc) { - const unsigned int cpu = smp_processor_id(); - spin_lock(&desc->lock); desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); @@ -476,7 +471,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) goto out_unlock; } - kstat_cpu(cpu).irqs[irq]++; + kstat_irqs_this_cpu(desc)++; /* Start handling the irq */ desc->chip->ack(irq); @@ -531,7 +526,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) { irqreturn_t action_ret; - kstat_this_cpu.irqs[irq]++; + kstat_irqs_this_cpu(desc)++; if (desc->chip->ack) desc->chip->ack(irq); diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 9fc33b3378e6..1f346990f3f8 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -37,7 +37,7 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc) { print_irq_desc(irq, desc); - kstat_this_cpu.irqs[irq]++; + kstat_irqs_this_cpu(desc)++; ack_bad_irq(irq); } @@ -80,17 +80,38 @@ static void init_one_irq_desc(struct irq_desc *desc) #endif } -#ifdef CONFIG_HAVE_SPARSE_IRQ -static int nr_irq_desc = 32; +extern int after_bootmem; +extern void *__alloc_bootmem_nopanic(unsigned long size, + unsigned long align, + unsigned long goal); -static int __init parse_nr_irq_desc(char *arg) +static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) { - if (arg) - nr_irq_desc = simple_strtoul(arg, NULL, 0); - return 0; + unsigned long bytes, total_bytes; + char *ptr; + int i; + unsigned long phys; + + /* Compute how many bytes we need per irq and allocate them */ + bytes = nr * sizeof(unsigned int); + total_bytes = bytes * nr_desc; + if (after_bootmem) + ptr = kzalloc(total_bytes, GFP_ATOMIC); + else + ptr = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); + + if (!ptr) + panic(" can not allocate kstat_irqs\n"); + + phys = __pa(ptr); + printk(KERN_DEBUG "kstat_irqs ==> [%#lx - %#lx]\n", phys, phys + total_bytes); + + for (i = 0; i < nr_desc; i++) { + desc[i].kstat_irqs = (unsigned int *)ptr; + ptr += bytes; + } } -early_param("nr_irq_desc", parse_nr_irq_desc); static void __init init_work(void *data) { @@ -100,25 +121,44 @@ static void __init init_work(void *data) desc = *da->name; - for (i = 0; i < *da->nr; i++) + for (i = 0; i < *da->nr; i++) { init_one_irq_desc(&desc[i]); +#ifndef CONFIG_HAVE_SPARSE_IRQ + desc[i].irq = i; +#endif + } +#ifdef CONFIG_HAVE_SPARSE_IRQ for (i = 1; i < *da->nr; i++) desc[i-1].next = &desc[i]; +#endif + + /* init kstat_irqs, nr_cpu_ids is ready already */ + init_kstat_irqs(desc, *da->nr, nr_cpu_ids); } +#ifdef CONFIG_HAVE_SPARSE_IRQ +static int nr_irq_desc = 32; + +static int __init parse_nr_irq_desc(char *arg) +{ + if (arg) + nr_irq_desc = simple_strtoul(arg, NULL, 0); + return 0; +} + +early_param("nr_irq_desc", parse_nr_irq_desc); + static struct irq_desc *sparse_irqs; DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); -extern int after_bootmem; -extern void *__alloc_bootmem_nopanic(unsigned long size, - unsigned long align, - unsigned long goal); struct irq_desc *irq_to_desc(unsigned int irq) { struct irq_desc *desc, *desc_pri; int i; int count = 0; + unsigned long phys; + unsigned long total_bytes; BUG_ON(irq == -1U); @@ -141,38 +181,34 @@ struct irq_desc *irq_to_desc(unsigned int irq) */ printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); + total_bytes = sizeof(struct irq_desc) * nr_irq_desc; if (after_bootmem) - desc = kzalloc(sizeof(struct irq_desc)*nr_irq_desc, GFP_ATOMIC); + desc = kzalloc(total_bytes, GFP_ATOMIC); else - desc = __alloc_bootmem_nopanic(sizeof(struct irq_desc)*nr_irq_desc, PAGE_SIZE, 0); + desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); if (!desc) panic("please boot with nr_irq_desc= %d\n", count * 2); + phys = __pa(desc); + printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes); + for (i = 0; i < nr_irq_desc; i++) init_one_irq_desc(&desc[i]); for (i = 1; i < nr_irq_desc; i++) desc[i-1].next = &desc[i]; + /* init kstat_irqs, nr_cpu_ids is ready already */ + init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids); + desc->irq = irq; desc_pri->next = desc; return desc; } #else -static void __init init_work(void *data) -{ - struct dyn_array *da = data; - int i; - struct irq_desc *desc; - - desc = *da->name; - for (i = 0; i < *da->nr; i++) - init_one_irq_desc(&desc[i]); - -} static struct irq_desc *irq_desc; DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); @@ -315,7 +351,7 @@ unsigned int __do_IRQ(unsigned int irq) struct irqaction *action; unsigned int status; - kstat_this_cpu.irqs[irq]++; + kstat_irqs_this_cpu(desc)++; if (CHECK_IRQ_PER_CPU(desc->status)) { irqreturn_t action_ret; @@ -415,3 +451,10 @@ void early_init_irq_lock_class(void) } #endif +unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) +{ + struct irq_desc *desc = irq_to_desc(irq); + return desc->kstat_irqs[cpu]; +} +EXPORT_SYMBOL(kstat_irqs_cpu); + diff --git a/kernel/sched.c b/kernel/sched.c index b9d713781b5b..6f230596bd0c 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4048,11 +4048,8 @@ static inline void idle_balance(int cpu, struct rq *rq) #endif DEFINE_PER_CPU(struct kernel_stat, kstat); -EXPORT_PER_CPU_SYMBOL(kstat); -#ifdef CONFIG_HAVE_DYN_ARRAY -DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL); -#endif +EXPORT_PER_CPU_SYMBOL(kstat); /* * Return p->sum_exec_runtime plus any more ns on the sched_clock -- GitLab From 9059d8fa4a3a9153da53da890039f7f956cc9d19 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:10 -0700 Subject: [PATCH 5099/6244] irq: add irq_desc_without_new add an irq_desc accessor that will not allocate any sparse entry but returns failure if there's no entry present. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/linux/irq.h | 13 +++++++++++++ kernel/irq/handle.c | 28 ++++++++++++++++++++++++---- 2 files changed, 37 insertions(+), 4 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index cbf471aee1ce..c9ffef7c3b44 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -191,10 +191,23 @@ struct irq_desc { } ____cacheline_internodealigned_in_smp; extern struct irq_desc *irq_to_desc(unsigned int irq); +extern struct irq_desc *__irq_to_desc(unsigned int irq); + +#ifndef CONFIG_HAVE_SPARSE_IRQ + #ifndef CONFIG_HAVE_DYN_ARRAY /* could be removed if we get rid of all irq_desc reference */ extern struct irq_desc irq_desc[NR_IRQS]; +#else +extern struct irq_desc *irq_desc; #endif + +#else + +extern struct irq_desc *sparse_irqs; + +#endif + #define kstat_irqs_this_cpu(DESC) \ ((DESC)->kstat_irqs[smp_processor_id()]) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 1f346990f3f8..8e55dbe50afc 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -112,7 +112,6 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) } } - static void __init init_work(void *data) { struct dyn_array *da = data; @@ -149,9 +148,27 @@ static int __init parse_nr_irq_desc(char *arg) early_param("nr_irq_desc", parse_nr_irq_desc); -static struct irq_desc *sparse_irqs; +struct irq_desc *sparse_irqs; DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); +struct irq_desc *__irq_to_desc(unsigned int irq) +{ + struct irq_desc *desc; + + BUG_ON(irq == -1U); + + desc = &sparse_irqs[0]; + while (desc) { + if (desc->irq == irq) + return desc; + + if (desc->irq == -1U) + return NULL; + + desc = desc->next; + } + return NULL; +} struct irq_desc *irq_to_desc(unsigned int irq) { struct irq_desc *desc, *desc_pri; @@ -208,8 +225,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) return desc; } #else - -static struct irq_desc *irq_desc; +struct irq_desc *irq_desc; DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); #endif @@ -239,6 +255,10 @@ struct irq_desc *irq_to_desc(unsigned int irq) return NULL; } +struct irq_desc *__irq_to_desc(unsigned int irq) +{ + return irq_to_desc(irq); +} #endif /* -- GitLab From 2c6927a38f65b53b62f86158fba29a068c4e8b6a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:11 -0700 Subject: [PATCH 5100/6244] irq: replace loop with nr_irqs with for_each_irq_desc There are a handful of loops that go from 0 to nr_irqs and use get_irq_desc() on them. These would allocate all the irq_desc entries, regardless of the need for them. Use the smarter for_each_irq_desc() iterator that will only iterate over the present ones. v2: make sure arch without GENERIC_HARDIRQS work too Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 6 +++--- arch/x86/kernel/irq_64.c | 5 ++--- arch/x86/kernel/irqinit_64.c | 17 +++++------------ include/linux/irq.h | 7 +++++++ kernel/irq/internals.h | 4 ++-- kernel/irq/manage.c | 2 +- kernel/irq/proc.c | 10 +++++----- 7 files changed, 25 insertions(+), 26 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 51ef7eb75f2e..708be9724daf 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1871,10 +1871,10 @@ unmask: static void ir_irq_migration(struct work_struct *work) { - int irq; + unsigned int irq; + struct irq_desc *desc; - for (irq = 0; irq < nr_irqs; irq++) { - struct irq_desc *desc = irq_to_desc(irq); + for_each_irq_desc(irq, desc) { if (desc->status & IRQ_MOVE_PENDING) { unsigned long flags; diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 4a0a4eb44dcb..b3cf55e325f5 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -224,17 +224,16 @@ void fixup_irqs(cpumask_t map) { unsigned int irq; static int warned; + struct irq_desc *desc; - for (irq = 0; irq < nr_irqs; irq++) { + for_each_irq_desc(irq, desc) { cpumask_t mask; int break_affinity = 0; int set_affinity = 1; - struct irq_desc *desc; if (irq == 2) continue; - desc = irq_to_desc(irq); /* interrupt's are disabled at this point */ spin_lock(&desc->lock); diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 0744b49b4d12..cd9f42d028d9 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -142,25 +142,18 @@ void __init init_ISA_irqs(void) init_bsp_APIC(); init_8259A(0); - for (i = 0; i < nr_irqs; i++) { + for (i = 0; i < 16; i++) { struct irq_desc *desc = irq_to_desc(i); desc->status = IRQ_DISABLED; desc->action = NULL; desc->depth = 1; - if (i < 16) { - /* - * 16 old-style INTA-cycle interrupts: - */ - set_irq_chip_and_handler_name(i, &i8259A_chip, + /* + * 16 old-style INTA-cycle interrupts: + */ + set_irq_chip_and_handler_name(i, &i8259A_chip, handle_level_irq, "XT"); - } else { - /* - * 'high' PCI IRQs filled in on demand - */ - desc->chip = &no_irq_chip; - } } } diff --git a/include/linux/irq.h b/include/linux/irq.h index c9ffef7c3b44..9de16ca8b8e5 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -202,9 +202,16 @@ extern struct irq_desc irq_desc[NR_IRQS]; extern struct irq_desc *irq_desc; #endif +#ifdef CONFIG_GENERIC_HARDIRQS +#define for_each_irq_desc(irq, desc) \ + for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc = &irq_desc[irq]) +#endif + #else extern struct irq_desc *sparse_irqs; +#define for_each_irq_desc(irqX, desc) \ + for (desc = sparse_irqs, irqX = desc->irq; desc && irqX != -1U; desc = desc->next, irqX = desc ? desc->irq : -1U) #endif diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 422dd00c8bd3..c9767e641980 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -14,11 +14,11 @@ extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, unsigned long flags); #ifdef CONFIG_PROC_FS -extern void register_irq_proc(unsigned int irq); +extern void register_irq_proc(unsigned int irq, struct irq_desc *desc); extern void register_handler_proc(unsigned int irq, struct irqaction *action); extern void unregister_handler_proc(unsigned int irq, struct irqaction *action); #else -static inline void register_irq_proc(unsigned int irq) { } +static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { } static inline void register_handler_proc(unsigned int irq, struct irqaction *action) { } static inline void unregister_handler_proc(unsigned int irq, diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index b5943e9f95aa..5070f55fdc16 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -478,7 +478,7 @@ int setup_irq(unsigned int irq, struct irqaction *new) spin_unlock_irqrestore(&desc->lock, flags); new->irq = irq; - register_irq_proc(irq); + register_irq_proc(irq, desc); new->dir = NULL; register_handler_proc(irq, new); diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index c2f356c808f6..bc0993d86c8b 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -182,11 +182,10 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) #define MAX_NAMELEN 10 -void register_irq_proc(unsigned int irq) +void register_irq_proc(unsigned int irq, struct irq_desc *desc) { char name [MAX_NAMELEN]; struct proc_dir_entry *entry; - struct irq_desc *desc = irq_to_desc(irq); if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir) return; @@ -230,7 +229,8 @@ void register_default_affinity_proc(void) void init_irq_proc(void) { - int i; + unsigned int irq; + struct irq_desc *desc; /* create /proc/irq */ root_irq_dir = proc_mkdir("irq", NULL); @@ -242,7 +242,7 @@ void init_irq_proc(void) /* * Create entries for all existing IRQs. */ - for (i = 0; i < nr_irqs; i++) - register_irq_proc(i); + for_each_irq_desc(irq, desc) + register_irq_proc(irq, desc); } -- GitLab From c7fb03a475bd80c642c1345d85c7c550f63514b8 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:12 -0700 Subject: [PATCH 5101/6244] irq, fs/proc: replace loop with nr_irqs for proc/stat Replace another nr_irqs loop to avoid the allocation of all sparse irq entries - use for_each_irq_desc instead. v2: make sure arch without GENERIC_HARDIRQS works too Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- fs/proc/proc_misc.c | 42 ++++++++++++++++++++++++++------------- include/linux/interrupt.h | 5 +++++ 2 files changed, 33 insertions(+), 14 deletions(-) diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index aa069acf61a0..c3cbabe8b38e 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -501,17 +502,16 @@ static const struct file_operations proc_vmalloc_operations = { static int show_stat(struct seq_file *p, void *v) { - int i; + int i, j; unsigned long jif; cputime64_t user, nice, system, idle, iowait, irq, softirq, steal; cputime64_t guest; u64 sum = 0; struct timespec boottime; - unsigned int *per_irq_sum; - - per_irq_sum = kzalloc(sizeof(unsigned int)*nr_irqs, GFP_KERNEL); - if (!per_irq_sum) - return -ENOMEM; + unsigned int per_irq_sum; +#ifdef CONFIG_GENERIC_HARDIRQS + struct irq_desc *desc; +#endif user = nice = system = idle = iowait = irq = softirq = steal = cputime64_zero; @@ -520,8 +520,6 @@ static int show_stat(struct seq_file *p, void *v) jif = boottime.tv_sec; for_each_possible_cpu(i) { - int j; - user = cputime64_add(user, kstat_cpu(i).cpustat.user); nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice); system = cputime64_add(system, kstat_cpu(i).cpustat.system); @@ -531,10 +529,12 @@ static int show_stat(struct seq_file *p, void *v) softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq); steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal); guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest); - for (j = 0; j < nr_irqs; j++) { - unsigned int temp = kstat_irqs_cpu(j, i); + for_each_irq_desc(j, desc) + { + unsigned int temp; + + temp = kstat_irqs_cpu(j, i); sum += temp; - per_irq_sum[j] += temp; } sum += arch_irq_stat_cpu(i); } @@ -577,8 +577,23 @@ static int show_stat(struct seq_file *p, void *v) } seq_printf(p, "intr %llu", (unsigned long long)sum); - for (i = 0; i < nr_irqs; i++) - seq_printf(p, " %u", per_irq_sum[i]); + /* sum again ? it could be updated? */ + for_each_irq_desc(j, desc) + { + per_irq_sum = 0; + for_each_possible_cpu(i) { + unsigned int temp; + + temp = kstat_irqs_cpu(j, i); + per_irq_sum += temp; + } + +#ifdef CONFIG_HAVE_SPARSE_IRQ + seq_printf(p, " %u:%u", j, per_irq_sum); +#else + seq_printf(p, " %u", per_irq_sum); +#endif + } seq_printf(p, "\nctxt %llu\n" @@ -592,7 +607,6 @@ static int show_stat(struct seq_file *p, void *v) nr_running(), nr_iowait()); - kfree(per_irq_sum); return 0; } diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 511803853a5b..d4039a0b23f4 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -17,6 +17,11 @@ extern int nr_irqs; +#ifndef CONFIG_GENERIC_HARDIRQS +#define for_each_irq_desc(irq, desc) \ + for (irq = 0; irq < nr_irqs; irq++) +#endif + /* * These correspond to the IORESOURCE_IRQ_* defines in * linux/ioport.h to select the interrupt line behaviour. When -- GitLab From 46b8214d12c274bd4265aae482ab7ffe69d94818 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:13 -0700 Subject: [PATCH 5102/6244] x86, ioapic: replace loop with nr_irqs with for_each_irq_icfg Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 708be9724daf..60d60061659c 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -129,6 +129,9 @@ static void __init init_work(void *data) cfg[i-1].next = &cfg[i]; } +#define for_each_irq_cfg(cfg) \ + for (cfg = irq_cfgx; cfg && cfg->irq != -1U; cfg = cfg->next) + static struct irq_cfg *irq_cfgx; DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); @@ -1097,20 +1100,18 @@ void __setup_vector_irq(int cpu) /* Initialize vector_irq on a new cpu */ /* This function must be called with vector_lock held */ int irq, vector; + struct irq_cfg *cfg; /* Mark the inuse vectors */ - for (irq = 0; irq < nr_irqs; ++irq) { - struct irq_cfg *cfg = irq_cfg(irq); - + for_each_irq_cfg(cfg) { if (!cpu_isset(cpu, cfg->domain)) continue; vector = cfg->vector; + irq = cfg->irq; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ for (vector = 0; vector < NR_VECTORS; ++vector) { - struct irq_cfg *cfg; - irq = per_cpu(vector_irq, cpu)[vector]; if (irq < 0) continue; @@ -1340,6 +1341,7 @@ __apicdebuginit(void) print_IO_APIC(void) union IO_APIC_reg_01 reg_01; union IO_APIC_reg_02 reg_02; unsigned long flags; + struct irq_cfg *cfg; if (apic_verbosity == APIC_QUIET) return; @@ -1408,12 +1410,11 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for (i = 0; i < nr_irqs; i++) { - struct irq_cfg *cfg = irq_cfg(i); + for_each_irq_cfg(cfg) { struct irq_pin_list *entry = cfg->irq_2_pin; if (!entry) continue; - printk(KERN_DEBUG "IRQ%d ", i); + printk(KERN_DEBUG "IRQ%d ", cfg->irq); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) @@ -2070,6 +2071,7 @@ static inline void init_IO_APIC_traps(void) { int irq; struct irq_desc *desc; + struct irq_cfg *cfg; /* * NOTE! The local APIC isn't very good at handling @@ -2082,10 +2084,8 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for (irq = 0; irq < nr_irqs ; irq++) { - struct irq_cfg *cfg; - - cfg = irq_cfg(irq); + for_each_irq_cfg(cfg) { + irq = cfg->irq; if (IO_APIC_IRQ(irq) && !cfg->vector) { /* * Hmm.. We don't have an entry for this, -- GitLab From 7d94f7ca401dd7f445fda9a971a48aa5427b3e55 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:14 -0700 Subject: [PATCH 5103/6244] irq: remove >= nr_irqs checking with config_have_sparse_irq remove irq limit checks - nr_irqs is dynamic and we expand anytime. v2: fix checking about result irq_cfg_without_new, so could use msi again v3: use irq_desc_without_new to check irq is valid Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 9 ------- arch/x86/kernel/irq_64.c | 2 +- kernel/irq/chip.c | 49 ++++++++++++++++++++---------------- kernel/irq/manage.c | 43 +++++++++++++++++++------------ 4 files changed, 55 insertions(+), 48 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 60d60061659c..1b8cccb5ba25 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -400,7 +400,6 @@ static inline void io_apic_sync(unsigned int apic) struct irq_cfg *cfg; \ struct irq_pin_list *entry; \ \ - BUG_ON(irq >= nr_irqs); \ cfg = irq_cfg(irq); \ entry = cfg->irq_2_pin; \ for (;;) { \ @@ -480,7 +479,6 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) struct irq_cfg *cfg; struct irq_pin_list *entry; - BUG_ON(irq >= nr_irqs); cfg = irq_cfg(irq); entry = cfg->irq_2_pin; for (;;) { @@ -549,7 +547,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) struct irq_cfg *cfg; struct irq_pin_list *entry; - BUG_ON(irq >= nr_irqs); /* first time to refer irq_cfg, so with new */ cfg = irq_cfg_alloc(irq); entry = cfg->irq_2_pin; @@ -841,7 +838,6 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) best_guess = irq; } } - BUG_ON(best_guess >= nr_irqs); return best_guess; } @@ -973,7 +969,6 @@ static int pin_2_irq(int idx, int apic, int pin) irq += nr_ioapic_registers[i++]; irq += pin; } - BUG_ON(irq >= nr_irqs); return irq; } @@ -1008,7 +1003,6 @@ static int __assign_irq_vector(int irq, cpumask_t mask) int cpu; struct irq_cfg *cfg; - BUG_ON((unsigned)irq >= nr_irqs); cfg = irq_cfg(irq); /* Only try and allocate irqs on cpus that are present */ @@ -1082,7 +1076,6 @@ static void __clear_irq_vector(int irq) cpumask_t mask; int cpu, vector; - BUG_ON((unsigned)irq >= nr_irqs); cfg = irq_cfg(irq); BUG_ON(!cfg->vector); @@ -1924,8 +1917,6 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) struct irq_desc *desc; struct irq_cfg *cfg; irq = __get_cpu_var(vector_irq)[vector]; - if (irq >= nr_irqs) - continue; desc = irq_to_desc(irq); cfg = irq_cfg(irq); diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index b3cf55e325f5..a3e36336d914 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -202,7 +202,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) stack_overflow_check(regs); #endif - if (likely(irq < nr_irqs)) + if (likely(__irq_to_desc(irq))) generic_handle_irq(irq); else { if (!disable_apic) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 2aa3d4b2fce8..a4bb0da9c88c 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -27,13 +27,13 @@ void dynamic_irq_init(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = irq_to_desc(irq); + if (!desc) { WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); return; } /* Ensure we don't have left over values from a previous use of this irq */ - desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->status = IRQ_DISABLED; desc->chip = &no_irq_chip; @@ -60,12 +60,12 @@ void dynamic_irq_cleanup(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq); return; } - desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); if (desc->action) { spin_unlock_irqrestore(&desc->lock, flags); @@ -92,7 +92,8 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq); return -EINVAL; } @@ -121,12 +122,12 @@ int set_irq_type(unsigned int irq, unsigned int type) unsigned long flags; int ret = -ENXIO; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq); return -ENODEV; } - desc = irq_to_desc(irq); if (type == IRQ_TYPE_NONE) return 0; @@ -149,13 +150,13 @@ int set_irq_data(unsigned int irq, void *data) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to install controller data for IRQ%d\n", irq); return -EINVAL; } - desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); desc->handler_data = data; spin_unlock_irqrestore(&desc->lock, flags); @@ -175,12 +176,13 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to install msi data for IRQ%d\n", irq); return -EINVAL; } - desc = irq_to_desc(irq); + spin_lock_irqsave(&desc->lock, flags); desc->msi_desc = entry; if (entry) @@ -201,8 +203,14 @@ int set_irq_chip_data(unsigned int irq, void *data) struct irq_desc *desc; unsigned long flags; - desc = irq_to_desc(irq); - if (irq >= nr_irqs || !desc->chip) { + desc = __irq_to_desc(irq); + if (!desc) { + printk(KERN_ERR + "Trying to install chip data for IRQ%d\n", irq); + return -EINVAL; + } + + if (!desc->chip) { printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq); return -EINVAL; } @@ -546,14 +554,13 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to install type control for IRQ%d\n", irq); return; } - desc = irq_to_desc(irq); - if (!handle) handle = handle_bad_irq; else if (desc->chip == &no_irq_chip) { @@ -611,14 +618,13 @@ void __init set_irq_noprobe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq); return; } - desc = irq_to_desc(irq); - spin_lock_irqsave(&desc->lock, flags); desc->status |= IRQ_NOPROBE; spin_unlock_irqrestore(&desc->lock, flags); @@ -629,14 +635,13 @@ void __init set_irq_probe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) { + desc = __irq_to_desc(irq); + if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq); return; } - desc = irq_to_desc(irq); - spin_lock_irqsave(&desc->lock, flags); desc->status &= ~IRQ_NOPROBE; spin_unlock_irqrestore(&desc->lock, flags); diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 5070f55fdc16..c0b4d4df6de2 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -31,10 +31,10 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL; */ void synchronize_irq(unsigned int irq) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc = __irq_to_desc(irq); unsigned int status; - if (irq >= nr_irqs) + if (!desc) return; do { @@ -142,10 +142,11 @@ int irq_select_affinity(unsigned int irq) */ void disable_irq_nosync(unsigned int irq) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) + desc = __irq_to_desc(irq); + if (!desc) return; spin_lock_irqsave(&desc->lock, flags); @@ -171,9 +172,10 @@ EXPORT_SYMBOL(disable_irq_nosync); */ void disable_irq(unsigned int irq) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; - if (irq >= nr_irqs) + desc = __irq_to_desc(irq); + if (!desc) return; disable_irq_nosync(irq); @@ -213,10 +215,11 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq) */ void enable_irq(unsigned int irq) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; unsigned long flags; - if (irq >= nr_irqs) + desc = __irq_to_desc(irq); + if (!desc) return; spin_lock_irqsave(&desc->lock, flags); @@ -290,10 +293,14 @@ EXPORT_SYMBOL(set_irq_wake); */ int can_request_irq(unsigned int irq, unsigned long irqflags) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; struct irqaction *action; - if (irq >= nr_irqs || desc->status & IRQ_NOREQUEST) + desc = __irq_to_desc(irq); + if (!desc) + return 0; + + if (desc->status & IRQ_NOREQUEST) return 0; action = desc->action; @@ -352,14 +359,15 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, */ int setup_irq(unsigned int irq, struct irqaction *new) { - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; struct irqaction *old, **p; const char *old_name = NULL; unsigned long flags; int shared = 0; int ret; - if (irq >= nr_irqs) + desc = __irq_to_desc(irq); + if (!desc) return -EINVAL; if (desc->chip == &no_irq_chip) @@ -518,10 +526,11 @@ void free_irq(unsigned int irq, void *dev_id) unsigned long flags; WARN_ON(in_interrupt()); - if (irq >= nr_irqs) + + desc = __irq_to_desc(irq); + if (!desc) return; - desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); p = &desc->action; for (;;) { @@ -634,9 +643,11 @@ int request_irq(unsigned int irq, irq_handler_t handler, */ if ((irqflags & IRQF_SHARED) && !dev_id) return -EINVAL; - if (irq >= nr_irqs) + + desc = __irq_to_desc(irq); + if (!desc) return -EINVAL; - desc = irq_to_desc(irq); + if (desc->status & IRQ_NOREQUEST) return -EINVAL; if (!handler) -- GitLab From 46926b67fc663d357a1a8174328998a9e49da0b8 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:15 -0700 Subject: [PATCH 5104/6244] generic: add irq_desc in function in parameter So we could remove some duplicated calling to irq_desc v2: make sure irq_desc in init/main.c is not used without generic_hardirqs Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irq_64.c | 6 ++++-- include/linux/irq.h | 9 ++++++--- init/main.c | 7 +++++++ kernel/irq/handle.c | 30 ++++++++++++++++++++++++++++++ 4 files changed, 47 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index a3e36336d914..f58b995b30ee 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -189,6 +189,7 @@ u64 arch_irq_stat(void) asmlinkage unsigned int do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); + struct irq_desc *desc; /* high bit used in ret_from_ code */ unsigned vector = ~regs->orig_ax; @@ -202,8 +203,9 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) stack_overflow_check(regs); #endif - if (likely(__irq_to_desc(irq))) - generic_handle_irq(irq); + desc = __irq_to_desc(irq); + if (likely(desc)) + generic_handle_irq_desc(irq, desc); else { if (!disable_apic) ack_APIC_irq(); diff --git a/include/linux/irq.h b/include/linux/irq.h index 9de16ca8b8e5..7b59e193a119 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -315,10 +315,8 @@ extern unsigned int __do_IRQ(unsigned int irq); * irqchip-style controller then we call the ->handle_irq() handler, * and it calls __do_IRQ() if it's attached to an irqtype-style controller. */ -static inline void generic_handle_irq(unsigned int irq) +static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc) { - struct irq_desc *desc = irq_to_desc(irq); - #ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ desc->handle_irq(irq, desc); #else @@ -329,6 +327,11 @@ static inline void generic_handle_irq(unsigned int irq) #endif } +static inline void generic_handle_irq(unsigned int irq) +{ + generic_handle_irq_desc(irq, irq_to_desc(irq)); +} + /* Handling of unhandled and spurious interrupts: */ extern void note_interrupt(unsigned int irq, struct irq_desc *desc, int action_ret); diff --git a/init/main.c b/init/main.c index ab97d0877acc..0d2e60144f83 100644 --- a/init/main.c +++ b/init/main.c @@ -590,6 +590,13 @@ void pre_alloc_dyn_array(void) if (da->init_work) da->init_work(da); } +#else +#ifdef CONFIF_GENERIC_HARDIRQS + unsigned int i; + + for (i = 0; i < NR_IRQS; i++) + irq_desc[i].irq = i; +#endif #endif } diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 8e55dbe50afc..e1d787e9169b 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -197,6 +197,21 @@ struct irq_desc *irq_to_desc(unsigned int irq) * we run out of pre-allocate ones, allocate more */ printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); + { + /* double check if some one mess up the list */ + struct irq_desc *desc; + int count = 0; + + desc = &sparse_irqs[0]; + while (desc) { + printk(KERN_DEBUG "found irq_desc for irq %d\n", desc->irq); + if (desc->next) + printk(KERN_DEBUG "found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); + desc = desc->next; + count++; + } + printk(KERN_DEBUG "all preallocted %d\n", count); + } total_bytes = sizeof(struct irq_desc) * nr_irq_desc; if (after_bootmem) @@ -221,6 +236,21 @@ struct irq_desc *irq_to_desc(unsigned int irq) desc->irq = irq; desc_pri->next = desc; + { + /* double check if some one mess up the list */ + struct irq_desc *desc; + int count = 0; + + desc = &sparse_irqs[0]; + while (desc) { + printk(KERN_DEBUG "1 found irq_desc for irq %d\n", desc->irq); + if (desc->next) + printk(KERN_DEBUG "1 found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); + desc = desc->next; + count++; + } + printk(KERN_DEBUG "1 all preallocted %d\n", count); + } return desc; } -- GitLab From 1d5f6b36c4736af1dac396d6267eb53dcc8c0021 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:16 -0700 Subject: [PATCH 5105/6244] x86: check with without_new in show_interrupts so we don't get new one that we don't need it. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irq_64.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index f58b995b30ee..f337f87c1e16 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -83,7 +83,10 @@ int show_interrupts(struct seq_file *p, void *v) if (i < nr_irqs) { unsigned any_count = 0; - struct irq_desc *desc = irq_to_desc(i); + struct irq_desc *desc = __irq_to_desc(i); + + if (!desc) + return 0; spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP -- GitLab From cb5bc83225a86ca53bbb889ed8439e4fd6cf44ac Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:17 -0700 Subject: [PATCH 5106/6244] x86_64: rename irq_desc/irq_desc_alloc change names: irq_desc() ==> irq_desc_alloc __irq_desc() ==> irq_desc Also split a few of the uses in lowlevel x86 code. v2: need to check if desc is null in smp_irq_move_cleanup Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 10 +++++++++- arch/x86/kernel/irq_64.c | 4 ++-- arch/x86/kernel/irqinit_64.c | 3 ++- include/linux/irq.h | 2 +- kernel/irq/chip.c | 21 +++++++++++---------- kernel/irq/handle.c | 23 +++++------------------ kernel/irq/manage.c | 16 ++++++++-------- 7 files changed, 38 insertions(+), 41 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 1b8cccb5ba25..a054db9ef190 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1124,7 +1124,12 @@ static void ioapic_register_intr(int irq, unsigned long trigger) { struct irq_desc *desc; - desc = irq_to_desc(irq); + /* first time to use this irq_desc */ + if (irq < 16) + desc = irq_to_desc(irq); + else + desc = irq_to_desc_alloc(irq); + if (trigger) desc->status |= IRQ_LEVEL; else @@ -1919,6 +1924,9 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) irq = __get_cpu_var(vector_irq)[vector]; desc = irq_to_desc(irq); + if (!desc) + continue; + cfg = irq_cfg(irq); spin_lock(&desc->lock); if (!cfg->move_cleanup_count) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index f337f87c1e16..5d5976e0311a 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -83,7 +83,7 @@ int show_interrupts(struct seq_file *p, void *v) if (i < nr_irqs) { unsigned any_count = 0; - struct irq_desc *desc = __irq_to_desc(i); + struct irq_desc *desc = irq_to_desc(i); if (!desc) return 0; @@ -206,7 +206,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs) stack_overflow_check(regs); #endif - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (likely(desc)) generic_handle_irq_desc(irq, desc); else { diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index cd9f42d028d9..d17fbc26d96f 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -143,7 +143,8 @@ void __init init_ISA_irqs(void) init_8259A(0); for (i = 0; i < 16; i++) { - struct irq_desc *desc = irq_to_desc(i); + /* first time call this irq_desc */ + struct irq_desc *desc = irq_to_desc_alloc(i); desc->status = IRQ_DISABLED; desc->action = NULL; diff --git a/include/linux/irq.h b/include/linux/irq.h index 7b59e193a119..5fe1b01c11fe 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -191,7 +191,7 @@ struct irq_desc { } ____cacheline_internodealigned_in_smp; extern struct irq_desc *irq_to_desc(unsigned int irq); -extern struct irq_desc *__irq_to_desc(unsigned int irq); +extern struct irq_desc *irq_to_desc_alloc(unsigned int irq); #ifndef CONFIG_HAVE_SPARSE_IRQ diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index a4bb0da9c88c..9fc5e69213de 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -27,7 +27,8 @@ void dynamic_irq_init(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = irq_to_desc(irq); + /* first time to use this irq_desc */ + desc = irq_to_desc_alloc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); return; @@ -60,7 +61,7 @@ void dynamic_irq_cleanup(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq); return; @@ -92,7 +93,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq); return -EINVAL; @@ -122,7 +123,7 @@ int set_irq_type(unsigned int irq, unsigned int type) unsigned long flags; int ret = -ENXIO; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq); return -ENODEV; @@ -150,7 +151,7 @@ int set_irq_data(unsigned int irq, void *data) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install controller data for IRQ%d\n", irq); @@ -176,7 +177,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install msi data for IRQ%d\n", irq); @@ -203,7 +204,7 @@ int set_irq_chip_data(unsigned int irq, void *data) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install chip data for IRQ%d\n", irq); @@ -554,7 +555,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install type control for IRQ%d\n", irq); @@ -618,7 +619,7 @@ void __init set_irq_noprobe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq); @@ -635,7 +636,7 @@ void __init set_irq_probe(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq); diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index e1d787e9169b..d44e3515eae1 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -151,7 +151,7 @@ early_param("nr_irq_desc", parse_nr_irq_desc); struct irq_desc *sparse_irqs; DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); -struct irq_desc *__irq_to_desc(unsigned int irq) +struct irq_desc *irq_to_desc(unsigned int irq) { struct irq_desc *desc; @@ -169,7 +169,7 @@ struct irq_desc *__irq_to_desc(unsigned int irq) } return NULL; } -struct irq_desc *irq_to_desc(unsigned int irq) +struct irq_desc *irq_to_desc_alloc(unsigned int irq) { struct irq_desc *desc, *desc_pri; int i; @@ -186,6 +186,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) if (desc->irq == -1U) { desc->irq = irq; + printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq); return desc; } desc_pri = desc; @@ -236,21 +237,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) desc->irq = irq; desc_pri->next = desc; - { - /* double check if some one mess up the list */ - struct irq_desc *desc; - int count = 0; - - desc = &sparse_irqs[0]; - while (desc) { - printk(KERN_DEBUG "1 found irq_desc for irq %d\n", desc->irq); - if (desc->next) - printk(KERN_DEBUG "1 found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); - desc = desc->next; - count++; - } - printk(KERN_DEBUG "1 all preallocted %d\n", count); - } + printk(KERN_DEBUG "1 found new irq_desc for irq %d and pri will be irq %d\n", desc->irq, desc_pri->irq); return desc; } @@ -285,7 +272,7 @@ struct irq_desc *irq_to_desc(unsigned int irq) return NULL; } -struct irq_desc *__irq_to_desc(unsigned int irq) +struct irq_desc *irq_to_desc_alloc(unsigned int irq) { return irq_to_desc(irq); } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index c0b4d4df6de2..6df49218632a 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -31,7 +31,7 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL; */ void synchronize_irq(unsigned int irq) { - struct irq_desc *desc = __irq_to_desc(irq); + struct irq_desc *desc = irq_to_desc(irq); unsigned int status; if (!desc) @@ -145,7 +145,7 @@ void disable_irq_nosync(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return; @@ -174,7 +174,7 @@ void disable_irq(unsigned int irq) { struct irq_desc *desc; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return; @@ -218,7 +218,7 @@ void enable_irq(unsigned int irq) struct irq_desc *desc; unsigned long flags; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return; @@ -296,7 +296,7 @@ int can_request_irq(unsigned int irq, unsigned long irqflags) struct irq_desc *desc; struct irqaction *action; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return 0; @@ -366,7 +366,7 @@ int setup_irq(unsigned int irq, struct irqaction *new) int shared = 0; int ret; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return -EINVAL; @@ -527,7 +527,7 @@ void free_irq(unsigned int irq, void *dev_id) WARN_ON(in_interrupt()); - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return; @@ -644,7 +644,7 @@ int request_irq(unsigned int irq, irq_handler_t handler, if ((irqflags & IRQF_SHARED) && !dev_id) return -EINVAL; - desc = __irq_to_desc(irq); + desc = irq_to_desc(irq); if (!desc) return -EINVAL; -- GitLab From 67fb283e148e9bd761f73691d3173b6eab9ba8db Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:18 -0700 Subject: [PATCH 5107/6244] irq: separate sparse_irqs from sparse_irqs_free so later don't need compare with -1U Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/linux/irq.h | 2 +- kernel/irq/handle.c | 115 +++++++++++++++++++++++--------------------- 2 files changed, 62 insertions(+), 55 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 5fe1b01c11fe..d5749852ee69 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -211,7 +211,7 @@ extern struct irq_desc *irq_desc; extern struct irq_desc *sparse_irqs; #define for_each_irq_desc(irqX, desc) \ - for (desc = sparse_irqs, irqX = desc->irq; desc && irqX != -1U; desc = desc->next, irqX = desc ? desc->irq : -1U) + for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U) #endif diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index d44e3515eae1..6d174390f3a0 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -112,6 +112,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) } } +#ifdef CONFIG_HAVE_SPARSE_IRQ +static struct irq_desc *sparse_irqs_free; +struct irq_desc *sparse_irqs; +#endif + static void __init init_work(void *data) { struct dyn_array *da = data; @@ -127,13 +132,16 @@ static void __init init_work(void *data) #endif } + /* init kstat_irqs, nr_cpu_ids is ready already */ + init_kstat_irqs(desc, *da->nr, nr_cpu_ids); + #ifdef CONFIG_HAVE_SPARSE_IRQ for (i = 1; i < *da->nr; i++) desc[i-1].next = &desc[i]; -#endif - /* init kstat_irqs, nr_cpu_ids is ready already */ - init_kstat_irqs(desc, *da->nr, nr_cpu_ids); + sparse_irqs_free = sparse_irqs; + sparse_irqs = NULL; +#endif } #ifdef CONFIG_HAVE_SPARSE_IRQ @@ -148,23 +156,17 @@ static int __init parse_nr_irq_desc(char *arg) early_param("nr_irq_desc", parse_nr_irq_desc); -struct irq_desc *sparse_irqs; DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); struct irq_desc *irq_to_desc(unsigned int irq) { struct irq_desc *desc; - BUG_ON(irq == -1U); - - desc = &sparse_irqs[0]; + desc = sparse_irqs; while (desc) { if (desc->irq == irq) return desc; - if (desc->irq == -1U) - return NULL; - desc = desc->next; } return NULL; @@ -174,21 +176,12 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq) struct irq_desc *desc, *desc_pri; int i; int count = 0; - unsigned long phys; - unsigned long total_bytes; - BUG_ON(irq == -1U); - - desc_pri = desc = &sparse_irqs[0]; + desc_pri = desc = sparse_irqs; while (desc) { if (desc->irq == irq) return desc; - if (desc->irq == -1U) { - desc->irq = irq; - printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq); - return desc; - } desc_pri = desc; desc = desc->next; count++; @@ -197,48 +190,62 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq) /* * we run out of pre-allocate ones, allocate more */ - printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); - { - /* double check if some one mess up the list */ - struct irq_desc *desc; - int count = 0; - - desc = &sparse_irqs[0]; - while (desc) { - printk(KERN_DEBUG "found irq_desc for irq %d\n", desc->irq); - if (desc->next) - printk(KERN_DEBUG "found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); - desc = desc->next; - count++; - } - printk(KERN_DEBUG "all preallocted %d\n", count); - } + if (!sparse_irqs_free) { + unsigned long phys; + unsigned long total_bytes; - total_bytes = sizeof(struct irq_desc) * nr_irq_desc; - if (after_bootmem) - desc = kzalloc(total_bytes, GFP_ATOMIC); - else - desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); + printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); - if (!desc) - panic("please boot with nr_irq_desc= %d\n", count * 2); + total_bytes = sizeof(struct irq_desc) * nr_irq_desc; + if (after_bootmem) + desc = kzalloc(total_bytes, GFP_ATOMIC); + else + desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - phys = __pa(desc); - printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes); + if (!desc) + panic("please boot with nr_irq_desc= %d\n", count * 2); - for (i = 0; i < nr_irq_desc; i++) - init_one_irq_desc(&desc[i]); + phys = __pa(desc); + printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - for (i = 1; i < nr_irq_desc; i++) - desc[i-1].next = &desc[i]; + for (i = 0; i < nr_irq_desc; i++) + init_one_irq_desc(&desc[i]); - /* init kstat_irqs, nr_cpu_ids is ready already */ - init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids); + for (i = 1; i < nr_irq_desc; i++) + desc[i-1].next = &desc[i]; - desc->irq = irq; - desc_pri->next = desc; - printk(KERN_DEBUG "1 found new irq_desc for irq %d and pri will be irq %d\n", desc->irq, desc_pri->irq); + /* init kstat_irqs, nr_cpu_ids is ready already */ + init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids); + sparse_irqs_free = desc; + } + + desc = sparse_irqs_free; + sparse_irqs_free = sparse_irqs_free->next; + desc->next = NULL; + if (desc_pri) + desc_pri->next = desc; + else + sparse_irqs = desc; + desc->irq = irq; + printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq); +#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG + { + /* dump the results */ + struct irq_desc *desc; + unsigned long phys; + unsigned long bytes = sizeof(struct irq_desc); + unsigned int irqx; + + printk(KERN_DEBUG "=========================== %d\n", irq); + printk(KERN_DEBUG "irq_desc dump after get that for %d\n", irq); + for_each_irq_desc(irqx, desc) { + phys = __pa(desc); + printk(KERN_DEBUG "irq_desc %d ==> [%#lx - %#lx]\n", irqx, phys, phys + bytes); + } + printk(KERN_DEBUG "===========================\n"); + } +#endif return desc; } #else -- GitLab From a2f9f43858db64cb8b45c4f6746d7a52b80d4dcb Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:19 -0700 Subject: [PATCH 5108/6244] x86_64: separate irq_cfgx from irq_cfgx_free so later don't need to compare with -1U Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 92 +++++++++++++++++++++++------------- 1 file changed, 59 insertions(+), 33 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index a054db9ef190..8ab7ae01773f 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -111,44 +111,44 @@ static void init_one_irq_cfg(struct irq_cfg *cfg) memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg)); } +static struct irq_cfg *irq_cfgx; +static struct irq_cfg *irq_cfgx_free; static void __init init_work(void *data) { struct dyn_array *da = data; struct irq_cfg *cfg; + int legacy_count; int i; cfg = *da->name; memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); - i = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); - for (; i < *da->nr; i++) + legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + for (i = legacy_count; i < *da->nr; i++) init_one_irq_cfg(&cfg[i]); for (i = 1; i < *da->nr; i++) cfg[i-1].next = &cfg[i]; + + irq_cfgx_free = &irq_cfgx[legacy_count]; + irq_cfgx[legacy_count - 1].next = NULL; } #define for_each_irq_cfg(cfg) \ - for (cfg = irq_cfgx; cfg && cfg->irq != -1U; cfg = cfg->next) + for (cfg = irq_cfgx; cfg; cfg = cfg->next) -static struct irq_cfg *irq_cfgx; DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); static struct irq_cfg *irq_cfg(unsigned int irq) { struct irq_cfg *cfg; - BUG_ON(irq == -1U); - - cfg = &irq_cfgx[0]; + cfg = irq_cfgx; while (cfg) { if (cfg->irq == irq) return cfg; - if (cfg->irq == -1U) - return NULL; - cfg = cfg->next; } @@ -161,44 +161,70 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) int i; int count = 0; - BUG_ON(irq == -1U); - - cfg_pri = cfg = &irq_cfgx[0]; + cfg_pri = cfg = irq_cfgx; while (cfg) { if (cfg->irq == irq) return cfg; - if (cfg->irq == -1U) { - cfg->irq = irq; - return cfg; - } cfg_pri = cfg; cfg = cfg->next; count++; } - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); + if (!irq_cfgx_free) { + unsigned long phys; + unsigned long total_bytes; + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); - if (after_bootmem) - cfg = kzalloc(sizeof(struct irq_cfg)*nr_irq_cfg, GFP_ATOMIC); - else - cfg = __alloc_bootmem_nopanic(sizeof(struct irq_cfg)*nr_irq_cfg, PAGE_SIZE, 0); + total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg; + if (after_bootmem) + cfg = kzalloc(total_bytes, GFP_ATOMIC); + else + cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - if (!cfg) - panic("please boot with nr_irq_cfg= %d\n", count * 2); + if (!cfg) + panic("please boot with nr_irq_cfg= %d\n", count * 2); - for (i = 0; i < nr_irq_cfg; i++) - init_one_irq_cfg(&cfg[i]); + phys = __pa(cfg); + printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - for (i = 1; i < nr_irq_cfg; i++) - cfg[i-1].next = &cfg[i]; + for (i = 0; i < nr_irq_cfg; i++) + init_one_irq_cfg(&cfg[i]); - cfg->irq = irq; - cfg_pri->next = cfg; + for (i = 1; i < nr_irq_cfg; i++) + cfg[i-1].next = &cfg[i]; + + irq_cfgx_free = cfg; + } + cfg = irq_cfgx_free; + irq_cfgx_free = irq_cfgx_free->next; + cfg->next = NULL; + if (cfg_pri) + cfg_pri->next = cfg; + else + irq_cfgx = cfg; + cfg->irq = irq; + printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); +#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG + { + /* dump the results */ + struct irq_cfg *cfg; + unsigned long phys; + unsigned long bytes = sizeof(struct irq_cfg); + + printk(KERN_DEBUG "=========================== %d\n", irq); + printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq); + for_each_irq_cfg(cfg) { + phys = __pa(cfg); + printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes); + } + printk(KERN_DEBUG "===========================\n"); + } +#endif return cfg; } -- GitLab From 52b17329d6d0a4824b89206803a430915031ff23 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:20 -0700 Subject: [PATCH 5109/6244] x86_64: make /proc/interrupts work with dyn irq_desc loop with irq_desc list Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irq_64.c | 31 ++++++++++++++++++++++++------- fs/proc/proc_misc.c | 28 ++++++++++++++++++++++++---- 2 files changed, 48 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 5d5976e0311a..7bd841a9c640 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -70,9 +70,27 @@ static inline void stack_overflow_check(struct pt_regs *regs) int show_interrupts(struct seq_file *p, void *v) { - int i = *(loff_t *) v, j; + int i, j; struct irqaction * action; unsigned long flags; + unsigned int entries; + struct irq_desc *desc; + int tail = 0; + +#ifdef CONFIG_HAVE_SPARSE_IRQ + desc = (struct irq_desc *)v; + entries = -1U; + i = desc->irq; + if (!desc->next) + tail = 1; +#else + entries = nr_irqs - 1; + i = *(loff_t *) v; + if (i == nr_irqs) + tail = 1; + else + desc = irq_to_desc(i); +#endif if (i == 0) { seq_printf(p, " "); @@ -81,12 +99,8 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i < nr_irqs) { + if (i <= entries) { unsigned any_count = 0; - struct irq_desc *desc = irq_to_desc(i); - - if (!desc) - return 0; spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP @@ -116,7 +130,9 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: spin_unlock_irqrestore(&desc->lock, flags); - } else if (i == nr_irqs) { + } + + if (tail) { seq_printf(p, "NMI: "); for_each_online_cpu(j) seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); @@ -155,6 +171,7 @@ skip: seq_printf(p, " Spurious interrupts\n"); seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); } + return 0; } diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index c3cbabe8b38e..72dd739a7f8a 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -645,15 +645,36 @@ static const struct file_operations proc_stat_operations = { */ static void *int_seq_start(struct seq_file *f, loff_t *pos) { +#ifdef CONFIG_HAVE_SPARSE_IRQ + struct irq_desc *desc; + int irq; + int count = *pos; + + for_each_irq_desc(irq, desc) { + if (count-- == 0) + return desc; + } + + return NULL; +#else return (*pos <= nr_irqs) ? pos : NULL; +#endif } + static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos) { +#ifdef CONFIG_HAVE_SPARSE_IRQ + struct irq_desc *desc; + + desc = ((struct irq_desc *)v)->next; (*pos)++; - if (*pos > nr_irqs) - return NULL; - return pos; + + return desc; +#else + (*pos)++; + return (*pos <= nr_irqs) ? pos : NULL; +#endif } static void int_seq_stop(struct seq_file *f, void *v) @@ -661,7 +682,6 @@ static void int_seq_stop(struct seq_file *f, void *v) /* Nothing to do */ } - static const struct seq_operations int_seq_ops = { .start = int_seq_start, .next = int_seq_next, -- GitLab From e420dfb40c453a9760b86c7f338052bdb4dfa755 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:21 -0700 Subject: [PATCH 5110/6244] x86: put irq_2_iommu pointer into irq_desc when CONFIG_HAVE_SPARSE_IRQ preallocate some irq_2_iommu entries, and use get_one_free_irq_2_iomm to get new one and link to irq_desc if needed. else will use dyn_array or static array. v2: <= nr_irqs fix Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/intr_remapping.c | 213 +++++++++++++++++++++++++++-------- include/linux/irq.h | 4 + 2 files changed, 169 insertions(+), 48 deletions(-) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 6961be807684..23372c811159 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -19,41 +19,136 @@ struct irq_2_iommu { u8 irte_mask; }; -#ifdef CONFIG_HAVE_DYNA_ARRAY -static struct irq_2_iommu *irq_2_iommu; -DEFINE_DYN_ARRAY(irq_2_iommu, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL); +#ifdef CONFIG_HAVE_SPARSE_IRQ +static struct irq_2_iommu *irq_2_iommuX; +/* fill one page ? */ +static int nr_irq_2_iommu = 0x100; +static int irq_2_iommu_index; +DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irq_2_iommu, PAGE_SIZE, NULL); + +extern void *__alloc_bootmem_nopanic(unsigned long size, + unsigned long align, + unsigned long goal); + +static struct irq_2_iommu *get_one_free_irq_2_iommu(int not_used) +{ + struct irq_2_iommu *iommu; + unsigned long total_bytes; + + if (irq_2_iommu_index >= nr_irq_2_iommu) { + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_2_iommu %d\n", nr_irq_2_iommu); + + total_bytes = sizeof(struct irq_2_iommu)*nr_irq_2_iommu; + + if (after_bootmem) + iommu = kzalloc(total_bytes, GFP_ATOMIC); + else + iommu = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); + + if (!iommu) + panic("can not get more irq_2_iommu\n"); + + irq_2_iommuX = iommu; + irq_2_iommu_index = 0; + } + + iommu = &irq_2_iommuX[irq_2_iommu_index]; + irq_2_iommu_index++; + return iommu; +} + +static struct irq_2_iommu *irq_2_iommu(unsigned int irq) +{ + struct irq_desc *desc; + + desc = irq_to_desc(irq); + + BUG_ON(!desc); + + return desc->irq_2_iommu; +} + +static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) +{ + struct irq_desc *desc; + struct irq_2_iommu *irq_iommu; + + desc = irq_to_desc(irq); + + BUG_ON(!desc); + + irq_iommu = desc->irq_2_iommu; + + if (!irq_iommu) + desc->irq_2_iommu = get_one_free_irq_2_iommu(irq); + + return desc->irq_2_iommu; +} + +#else /* !CONFIG_HAVE_SPARSE_IRQ */ + +#ifdef CONFIG_HAVE_DYN_ARRAY +static struct irq_2_iommu *irq_2_iommuX; +DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL); #else -static struct irq_2_iommu irq_2_iommu[NR_IRQS]; +static struct irq_2_iommu irq_2_iommuX[NR_IRQS]; +#endif + +static struct irq_2_iommu *irq_2_iommu(unsigned int irq) +{ + if (irq < nr_irqs) + return &irq_2_iommuX[irq]; + + return NULL; +} +static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) +{ + return irq_2_iommu(irq); +} #endif static DEFINE_SPINLOCK(irq_2_ir_lock); -int irq_remapped(int irq) +static struct irq_2_iommu *valid_irq_2_iommu(unsigned int irq) { - if (irq > nr_irqs) - return 0; + struct irq_2_iommu *irq_iommu; + + irq_iommu = irq_2_iommu(irq); - if (!irq_2_iommu[irq].iommu) - return 0; + if (!irq_iommu) + return NULL; - return 1; + if (!irq_iommu->iommu) + return NULL; + + return irq_iommu; +} + +int irq_remapped(int irq) +{ + return valid_irq_2_iommu(irq) != NULL; } int get_irte(int irq, struct irte *entry) { int index; + struct irq_2_iommu *irq_iommu; - if (!entry || irq > nr_irqs) + if (!entry) return -1; spin_lock(&irq_2_ir_lock); - if (!irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; - *entry = *(irq_2_iommu[irq].iommu->ir_table->base + index); + index = irq_iommu->irte_index + irq_iommu->sub_handle; + *entry = *(irq_iommu->iommu->ir_table->base + index); spin_unlock(&irq_2_ir_lock); return 0; @@ -62,6 +157,7 @@ int get_irte(int irq, struct irte *entry) int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) { struct ir_table *table = iommu->ir_table; + struct irq_2_iommu *irq_iommu; u16 index, start_index; unsigned int mask = 0; int i; @@ -69,6 +165,12 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) if (!count) return -1; +#ifndef CONFIG_HAVE_SPARSE_IRQ + /* protect irq_2_iommu_alloc later */ + if (irq >= nr_irqs) + return -1; +#endif + /* * start the IRTE search from index 0. */ @@ -108,10 +210,11 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) for (i = index; i < index + count; i++) table->base[i].present = 1; - irq_2_iommu[irq].iommu = iommu; - irq_2_iommu[irq].irte_index = index; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = mask; + irq_iommu = irq_2_iommu_alloc(irq); + irq_iommu->iommu = iommu; + irq_iommu->irte_index = index; + irq_iommu->sub_handle = 0; + irq_iommu->irte_mask = mask; spin_unlock(&irq_2_ir_lock); @@ -132,31 +235,36 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask) int map_irq_to_irte_handle(int irq, u16 *sub_handle) { int index; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - *sub_handle = irq_2_iommu[irq].sub_handle; - index = irq_2_iommu[irq].irte_index; + *sub_handle = irq_iommu->sub_handle; + index = irq_iommu->irte_index; spin_unlock(&irq_2_ir_lock); return index; } int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) { + struct irq_2_iommu *irq_iommu; + spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - irq_2_iommu[irq].iommu = iommu; - irq_2_iommu[irq].irte_index = index; - irq_2_iommu[irq].sub_handle = subhandle; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu->iommu = iommu; + irq_iommu->irte_index = index; + irq_iommu->sub_handle = subhandle; + irq_iommu->irte_mask = 0; spin_unlock(&irq_2_ir_lock); @@ -165,16 +273,19 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index) { + struct irq_2_iommu *irq_iommu; + spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - irq_2_iommu[irq].iommu = NULL; - irq_2_iommu[irq].irte_index = 0; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu->iommu = NULL; + irq_iommu->irte_index = 0; + irq_iommu->sub_handle = 0; + irq_2_iommu(irq)->irte_mask = 0; spin_unlock(&irq_2_ir_lock); @@ -186,16 +297,18 @@ int modify_irte(int irq, struct irte *irte_modified) int index; struct irte *irte; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; irte = &iommu->ir_table->base[index]; set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1)); @@ -211,18 +324,20 @@ int flush_irte(int irq) { int index; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; - qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + qi_flush_iec(iommu, index, irq_iommu->irte_mask); spin_unlock(&irq_2_ir_lock); return 0; @@ -254,28 +369,30 @@ int free_irte(int irq) int index, i; struct irte *irte; struct intel_iommu *iommu; + struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) { + irq_iommu = valid_irq_2_iommu(irq); + if (!irq_iommu) { spin_unlock(&irq_2_ir_lock); return -1; } - iommu = irq_2_iommu[irq].iommu; + iommu = irq_iommu->iommu; - index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle; + index = irq_iommu->irte_index + irq_iommu->sub_handle; irte = &iommu->ir_table->base[index]; - if (!irq_2_iommu[irq].sub_handle) { - for (i = 0; i < (1 << irq_2_iommu[irq].irte_mask); i++) + if (!irq_iommu->sub_handle) { + for (i = 0; i < (1 << irq_iommu->irte_mask); i++) set_64bit((unsigned long *)irte, 0); - qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask); + qi_flush_iec(iommu, index, irq_iommu->irte_mask); } - irq_2_iommu[irq].iommu = NULL; - irq_2_iommu[irq].irte_index = 0; - irq_2_iommu[irq].sub_handle = 0; - irq_2_iommu[irq].irte_mask = 0; + irq_iommu->iommu = NULL; + irq_iommu->irte_index = 0; + irq_iommu->sub_handle = 0; + irq_iommu->irte_mask = 0; spin_unlock(&irq_2_ir_lock); diff --git a/include/linux/irq.h b/include/linux/irq.h index d5749852ee69..788d5a35a580 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -128,6 +128,7 @@ struct irq_chip { }; struct timer_rand_state; +struct irq_2_iommu; /** * struct irq_desc - interrupt descriptor * @@ -162,6 +163,9 @@ struct irq_desc { unsigned int *kstat_irqs; #else unsigned int kstat_irqs[NR_CPUS]; +#endif +#if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ) + struct irq_2_iommu *irq_2_iommu; #endif irq_flow_handler_t handle_irq; struct irq_chip *chip; -- GitLab From 6d50bc26836e16a9589e0b128d527c29e30d722a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:22 -0700 Subject: [PATCH 5111/6244] x86: use 28 bits irq NR for pci msi/msix and ht also print out irq no in /proc/interrups and /proc/stat in hex, so could tell bus/dev/func. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 64 ++++++++++++++++++++++++++++-------- arch/x86/kernel/irq_64.c | 2 +- drivers/pci/htirq.c | 22 +++++++++++-- fs/proc/proc_misc.c | 2 +- include/linux/irq.h | 1 + 5 files changed, 73 insertions(+), 18 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 8ab7ae01773f..b0d4abc55a11 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -2520,17 +2520,21 @@ device_initcall(ioapic_init_sysfs); /* * Dynamic irq allocate and deallocation */ -int create_irq(void) +unsigned int create_irq_nr(unsigned int irq_want) { /* Allocate an unused irq */ - int irq; - int new; + unsigned int irq; + unsigned int new; unsigned long flags; struct irq_cfg *cfg_new; - irq = -ENOSPC; +#ifndef CONFIG_HAVE_SPARSE_IRQ + irq_want = nr_irqs - 1; +#endif + + irq = 0; spin_lock_irqsave(&vector_lock, flags); - for (new = (nr_irqs - 1); new >= 0; new--) { + for (new = irq_want; new > 0; new--) { if (platform_legacy_irq(new)) continue; cfg_new = irq_cfg(new); @@ -2545,12 +2549,24 @@ int create_irq(void) } spin_unlock_irqrestore(&vector_lock, flags); - if (irq >= 0) { + if (irq > 0) { dynamic_irq_init(irq); } return irq; } +int create_irq(void) +{ + int irq; + + irq = create_irq_nr(nr_irqs - 1); + + if (irq == 0) + irq = -1; + + return irq; +} + void destroy_irq(unsigned int irq) { unsigned long flags; @@ -2803,13 +2819,29 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) return 0; } +static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) +{ + unsigned int irq; + + irq = dev->bus->number; + irq <<= 8; + irq |= dev->devfn; + irq <<= 12; + + return irq; +} + int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { - int irq, ret; + unsigned int irq; + int ret; + unsigned int irq_want; - irq = create_irq(); - if (irq < 0) - return irq; + irq_want = build_irq_for_pci_dev(dev) + 0x100; + + irq = create_irq_nr(irq_want); + if (irq == 0) + return -1; #ifdef CONFIG_INTR_REMAP if (!intr_remapping_enabled) @@ -2836,18 +2868,22 @@ error: int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { - int irq, ret, sub_handle; + unsigned int irq; + int ret, sub_handle; struct msi_desc *desc; + unsigned int irq_want; + #ifdef CONFIG_INTR_REMAP struct intel_iommu *iommu = 0; int index = 0; #endif + irq_want = build_irq_for_pci_dev(dev) + 0x100; sub_handle = 0; list_for_each_entry(desc, &dev->msi_list, list) { - irq = create_irq(); - if (irq < 0) - return irq; + irq = create_irq_nr(irq_want--); + if (irq == 0) + return -1; #ifdef CONFIG_INTR_REMAP if (!intr_remapping_enabled) goto no_ir; diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 7bd841a9c640..348a11168c2b 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v) action = desc->action; if (!action && !any_count) goto skip; - seq_printf(p, "%3d: ",i); + seq_printf(p, "%#x: ",i); #ifndef CONFIG_SMP seq_printf(p, "%10u ", kstat_irqs(i)); #else diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 279c940a0039..7c5aef13fcdb 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -82,6 +82,18 @@ void unmask_ht_irq(unsigned int irq) write_ht_irq_msg(irq, &msg); } +static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) +{ + unsigned int irq; + + irq = dev->bus->number; + irq <<= 8; + irq |= dev->devfn; + irq <<= 12; + + return irq; +} + /** * __ht_create_irq - create an irq and attach it to a device. * @dev: The hypertransport device to find the irq capability on. @@ -97,7 +109,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) u32 data; int max_irq; int pos; - int irq; + unsigned int irq; + unsigned int irq_want; pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ); if (!pos) @@ -125,8 +138,13 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) cfg->msg.address_lo = 0xffffffff; cfg->msg.address_hi = 0xffffffff; + irq_want= build_irq_for_pci_dev(dev); +#ifdef CONFIG_HAVE_SPARSE_IRQ + irq = create_irq_nr(irq_want + idx); +#else irq = create_irq(); - if (irq < 0) { +#endif + if (irq == 0) { kfree(cfg); return -EBUSY; } diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 72dd739a7f8a..d68c3592fe4a 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -589,7 +589,7 @@ static int show_stat(struct seq_file *p, void *v) } #ifdef CONFIG_HAVE_SPARSE_IRQ - seq_printf(p, " %u:%u", j, per_irq_sum); + seq_printf(p, " %#x:%u", j, per_irq_sum); #else seq_printf(p, " %u", per_irq_sum); #endif diff --git a/include/linux/irq.h b/include/linux/irq.h index 788d5a35a580..704136138dc7 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -399,6 +399,7 @@ extern void set_irq_noprobe(unsigned int irq); extern void set_irq_probe(unsigned int irq); /* Handle dynamic irq creation and destruction */ +extern unsigned int create_irq_nr(unsigned int irq_want); extern int create_irq(void); extern void destroy_irq(unsigned int irq); -- GitLab From 8b8e8c1bf7275eca859fe551dfa484134eaf013b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:23 -0700 Subject: [PATCH 5112/6244] x86: remove irqbalance in kernel for 32 bit This has been deprecated for years, the user space irqbalanced utility works better with numa, has configurable policies, etc... Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 8 - arch/x86/configs/i386_defconfig | 1 - arch/x86/kernel/io_apic_32.c | 402 -------------------------------- arch/x86/kernel/quirks.c | 3 - include/linux/irq.h | 14 +- kernel/irq/manage.c | 3 - 6 files changed, 3 insertions(+), 428 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1004888e9b13..3e0eaaa1a339 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1254,14 +1254,6 @@ config EFI resultant kernel should continue to boot on existing non-EFI platforms. -config IRQBALANCE - def_bool y - prompt "Enable kernel irq balancing" - depends on X86_32 && SMP && X86_IO_APIC - help - The default yes will allow the kernel to do irq load balancing. - Saying no will keep the kernel from doing irq load balancing. - config SECCOMP def_bool y prompt "Enable seccomp to safely compute untrusted bytecode" diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index 52d0359719d7..13b8c86ae985 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -287,7 +287,6 @@ CONFIG_MTRR=y # CONFIG_MTRR_SANITIZER is not set CONFIG_X86_PAT=y CONFIG_EFI=y -# CONFIG_IRQBALANCE is not set CONFIG_SECCOMP=y # CONFIG_HZ_100 is not set # CONFIG_HZ_250 is not set diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 204884b1415a..668edf226067 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -371,408 +371,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) spin_unlock_irqrestore(&ioapic_lock, flags); } -#if defined(CONFIG_IRQBALANCE) -# include /* kernel_thread() */ -# include /* kstat */ -# include /* kmalloc() */ -# include - -#define IRQBALANCE_CHECK_ARCH -999 -#define MAX_BALANCED_IRQ_INTERVAL (5*HZ) -#define MIN_BALANCED_IRQ_INTERVAL (HZ/2) -#define BALANCED_IRQ_MORE_DELTA (HZ/10) -#define BALANCED_IRQ_LESS_DELTA (HZ) - -static int irqbalance_disabled __read_mostly = IRQBALANCE_CHECK_ARCH; -static int physical_balance __read_mostly; -static long balanced_irq_interval __read_mostly = MAX_BALANCED_IRQ_INTERVAL; - -static struct irq_cpu_info { - unsigned long *last_irq; - unsigned long *irq_delta; - unsigned long irq; -} irq_cpu_data[NR_CPUS]; - -#define CPU_IRQ(cpu) (irq_cpu_data[cpu].irq) -#define LAST_CPU_IRQ(cpu, irq) (irq_cpu_data[cpu].last_irq[irq]) -#define IRQ_DELTA(cpu, irq) (irq_cpu_data[cpu].irq_delta[irq]) - -#define IDLE_ENOUGH(cpu,now) \ - (idle_cpu(cpu) && ((now) - per_cpu(irq_stat, (cpu)).idle_timestamp > 1)) - -#define IRQ_ALLOWED(cpu, allowed_mask) cpu_isset(cpu, allowed_mask) - -#define CPU_TO_PACKAGEINDEX(i) (first_cpu(per_cpu(cpu_sibling_map, i))) - -static cpumask_t balance_irq_affinity_init __initdata = CPU_MASK_ALL; - -static cpumask_t *balance_irq_affinity; - - -static void __init irq_affinity_init_work(void *data) -{ - struct dyn_array *da = data; - - int i; - struct balance_irq_affinity *affinity; - - affinity = *da->name; - - for (i = 0; i < *da->nr; i++) - memcpy(&affinity[i], &balance_irq_affinity_init, - sizeof(struct balance_irq_affinity)); - -} - -DEFINE_DYN_ARRAY(balance_irq_affinity, sizeof(struct balance_irq_affinity), nr_irqs, PAGE_SIZE, irq_affinity_init_work); - - -void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) -{ - balance_irq_affinity[irq] = mask; -} - -static unsigned long move(int curr_cpu, cpumask_t allowed_mask, - unsigned long now, int direction) -{ - int search_idle = 1; - int cpu = curr_cpu; - - goto inside; - - do { - if (unlikely(cpu == curr_cpu)) - search_idle = 0; -inside: - if (direction == 1) { - cpu++; - if (cpu >= NR_CPUS) - cpu = 0; - } else { - cpu--; - if (cpu == -1) - cpu = NR_CPUS-1; - } - } while (!cpu_online(cpu) || !IRQ_ALLOWED(cpu, allowed_mask) || - (search_idle && !IDLE_ENOUGH(cpu, now))); - - return cpu; -} - -static inline void balance_irq(int cpu, int irq) -{ - unsigned long now = jiffies; - cpumask_t allowed_mask; - unsigned int new_cpu; - - if (irqbalance_disabled) - return; - - cpus_and(allowed_mask, cpu_online_map, balance_irq_affinity[irq]); - new_cpu = move(cpu, allowed_mask, now, 1); - if (cpu != new_cpu) - set_pending_irq(irq, cpumask_of_cpu(new_cpu)); -} - -static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold) -{ - int i, j; - struct irq_desc *desc; - - for_each_online_cpu(i) { - for (j = 0; j < nr_irqs; j++) { - desc = irq_to_desc(j); - if (!desc->action) - continue; - /* Is it a significant load ? */ - if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i), j) < - useful_load_threshold) - continue; - balance_irq(i, j); - } - } - balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL, - balanced_irq_interval - BALANCED_IRQ_LESS_DELTA); - return; -} - -static void do_irq_balance(void) -{ - int i, j; - unsigned long max_cpu_irq = 0, min_cpu_irq = (~0); - unsigned long move_this_load = 0; - int max_loaded = 0, min_loaded = 0; - int load; - unsigned long useful_load_threshold = balanced_irq_interval + 10; - int selected_irq; - int tmp_loaded, first_attempt = 1; - unsigned long tmp_cpu_irq; - unsigned long imbalance = 0; - cpumask_t allowed_mask, target_cpu_mask, tmp; - struct irq_desc *desc; - - for_each_possible_cpu(i) { - int package_index; - CPU_IRQ(i) = 0; - if (!cpu_online(i)) - continue; - package_index = CPU_TO_PACKAGEINDEX(i); - for (j = 0; j < nr_irqs; j++) { - unsigned long value_now, delta; - /* Is this an active IRQ or balancing disabled ? */ - desc = irq_to_desc(j); - if (!desc->action || irq_balancing_disabled(j)) - continue; - if (package_index == i) - IRQ_DELTA(package_index, j) = 0; - /* Determine the total count per processor per IRQ */ - value_now = (unsigned long) kstat_irqs_cpu(j, i); - - /* Determine the activity per processor per IRQ */ - delta = value_now - LAST_CPU_IRQ(i, j); - - /* Update last_cpu_irq[][] for the next time */ - LAST_CPU_IRQ(i, j) = value_now; - - /* Ignore IRQs whose rate is less than the clock */ - if (delta < useful_load_threshold) - continue; - /* update the load for the processor or package total */ - IRQ_DELTA(package_index, j) += delta; - - /* Keep track of the higher numbered sibling as well */ - if (i != package_index) - CPU_IRQ(i) += delta; - /* - * We have sibling A and sibling B in the package - * - * cpu_irq[A] = load for cpu A + load for cpu B - * cpu_irq[B] = load for cpu B - */ - CPU_IRQ(package_index) += delta; - } - } - /* Find the least loaded processor package */ - for_each_online_cpu(i) { - if (i != CPU_TO_PACKAGEINDEX(i)) - continue; - if (min_cpu_irq > CPU_IRQ(i)) { - min_cpu_irq = CPU_IRQ(i); - min_loaded = i; - } - } - max_cpu_irq = ULONG_MAX; - -tryanothercpu: - /* - * Look for heaviest loaded processor. - * We may come back to get the next heaviest loaded processor. - * Skip processors with trivial loads. - */ - tmp_cpu_irq = 0; - tmp_loaded = -1; - for_each_online_cpu(i) { - if (i != CPU_TO_PACKAGEINDEX(i)) - continue; - if (max_cpu_irq <= CPU_IRQ(i)) - continue; - if (tmp_cpu_irq < CPU_IRQ(i)) { - tmp_cpu_irq = CPU_IRQ(i); - tmp_loaded = i; - } - } - - if (tmp_loaded == -1) { - /* - * In the case of small number of heavy interrupt sources, - * loading some of the cpus too much. We use Ingo's original - * approach to rotate them around. - */ - if (!first_attempt && imbalance >= useful_load_threshold) { - rotate_irqs_among_cpus(useful_load_threshold); - return; - } - goto not_worth_the_effort; - } - - first_attempt = 0; /* heaviest search */ - max_cpu_irq = tmp_cpu_irq; /* load */ - max_loaded = tmp_loaded; /* processor */ - imbalance = (max_cpu_irq - min_cpu_irq) / 2; - - /* - * if imbalance is less than approx 10% of max load, then - * observe diminishing returns action. - quit - */ - if (imbalance < (max_cpu_irq >> 3)) - goto not_worth_the_effort; - -tryanotherirq: - /* if we select an IRQ to move that can't go where we want, then - * see if there is another one to try. - */ - move_this_load = 0; - selected_irq = -1; - for (j = 0; j < nr_irqs; j++) { - /* Is this an active IRQ? */ - desc = irq_to_desc(j); - if (!desc->action) - continue; - if (imbalance <= IRQ_DELTA(max_loaded, j)) - continue; - /* Try to find the IRQ that is closest to the imbalance - * without going over. - */ - if (move_this_load < IRQ_DELTA(max_loaded, j)) { - move_this_load = IRQ_DELTA(max_loaded, j); - selected_irq = j; - } - } - if (selected_irq == -1) - goto tryanothercpu; - - imbalance = move_this_load; - - /* For physical_balance case, we accumulated both load - * values in the one of the siblings cpu_irq[], - * to use the same code for physical and logical processors - * as much as possible. - * - * NOTE: the cpu_irq[] array holds the sum of the load for - * sibling A and sibling B in the slot for the lowest numbered - * sibling (A), _AND_ the load for sibling B in the slot for - * the higher numbered sibling. - * - * We seek the least loaded sibling by making the comparison - * (A+B)/2 vs B - */ - load = CPU_IRQ(min_loaded) >> 1; - for_each_cpu_mask(j, per_cpu(cpu_sibling_map, min_loaded)) { - if (load > CPU_IRQ(j)) { - /* This won't change cpu_sibling_map[min_loaded] */ - load = CPU_IRQ(j); - min_loaded = j; - } - } - - cpus_and(allowed_mask, - cpu_online_map, - balance_irq_affinity[selected_irq]); - target_cpu_mask = cpumask_of_cpu(min_loaded); - cpus_and(tmp, target_cpu_mask, allowed_mask); - - if (!cpus_empty(tmp)) { - /* mark for change destination */ - set_pending_irq(selected_irq, cpumask_of_cpu(min_loaded)); - - /* Since we made a change, come back sooner to - * check for more variation. - */ - balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL, - balanced_irq_interval - BALANCED_IRQ_LESS_DELTA); - return; - } - goto tryanotherirq; - -not_worth_the_effort: - /* - * if we did not find an IRQ to move, then adjust the time interval - * upward - */ - balanced_irq_interval = min((long)MAX_BALANCED_IRQ_INTERVAL, - balanced_irq_interval + BALANCED_IRQ_MORE_DELTA); - return; -} - -static int balanced_irq(void *unused) -{ - int i; - unsigned long prev_balance_time = jiffies; - long time_remaining = balanced_irq_interval; - struct irq_desc *desc; - - /* push everything to CPU 0 to give us a starting point. */ - for (i = 0 ; i < nr_irqs ; i++) { - desc = irq_to_desc(i); - desc->pending_mask = cpumask_of_cpu(0); - set_pending_irq(i, cpumask_of_cpu(0)); - } - - set_freezable(); - for ( ; ; ) { - time_remaining = schedule_timeout_interruptible(time_remaining); - try_to_freeze(); - if (time_after(jiffies, - prev_balance_time+balanced_irq_interval)) { - preempt_disable(); - do_irq_balance(); - prev_balance_time = jiffies; - time_remaining = balanced_irq_interval; - preempt_enable(); - } - } - return 0; -} - -static int __init balanced_irq_init(void) -{ - int i; - struct cpuinfo_x86 *c; - cpumask_t tmp; - - cpus_shift_right(tmp, cpu_online_map, 2); - c = &boot_cpu_data; - /* When not overwritten by the command line ask subarchitecture. */ - if (irqbalance_disabled == IRQBALANCE_CHECK_ARCH) - irqbalance_disabled = NO_BALANCE_IRQ; - if (irqbalance_disabled) - return 0; - - /* disable irqbalance completely if there is only one processor online */ - if (num_online_cpus() < 2) { - irqbalance_disabled = 1; - return 0; - } - /* - * Enable physical balance only if more than 1 physical processor - * is present - */ - if (smp_num_siblings > 1 && !cpus_empty(tmp)) - physical_balance = 1; - - for_each_online_cpu(i) { - irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL); - irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL); - if (irq_cpu_data[i].irq_delta == NULL || irq_cpu_data[i].last_irq == NULL) { - printk(KERN_ERR "balanced_irq_init: out of memory"); - goto failed; - } - } - - printk(KERN_INFO "Starting balanced_irq\n"); - if (!IS_ERR(kthread_run(balanced_irq, NULL, "kirqd"))) - return 0; - printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq"); -failed: - for_each_possible_cpu(i) { - kfree(irq_cpu_data[i].irq_delta); - irq_cpu_data[i].irq_delta = NULL; - kfree(irq_cpu_data[i].last_irq); - irq_cpu_data[i].last_irq = NULL; - } - return 0; -} - -int __devinit irqbalance_disable(char *str) -{ - irqbalance_disabled = 1; - return 1; -} - -__setup("noirqbalance", irqbalance_disable); - -late_initcall(balanced_irq_init); -#endif /* CONFIG_IRQBALANCE */ #endif /* CONFIG_SMP */ #ifndef CONFIG_SMP diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index f6a11b9b1f98..67465ed89310 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -35,9 +35,6 @@ static void __devinit quirk_intel_irqbalance(struct pci_dev *dev) if (!(word & (1 << 13))) { dev_info(&dev->dev, "Intel E7520/7320/7525 detected; " "disabling irq balancing and affinity\n"); -#ifdef CONFIG_IRQBALANCE - irqbalance_disable(""); -#endif noirqdebug_setup(""); #ifdef CONFIG_PROC_FS no_irq_affinity = 1; diff --git a/include/linux/irq.h b/include/linux/irq.h index 704136138dc7..2445d2b3d5dc 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -185,7 +185,7 @@ struct irq_desc { cpumask_t affinity; unsigned int cpu; #endif -#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) +#ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_t pending_mask; #endif #ifdef CONFIG_PROC_FS @@ -241,13 +241,13 @@ extern int setup_irq(unsigned int irq, struct irqaction *new); #ifdef CONFIG_SMP -#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE) +#ifdef CONFIG_GENERIC_PENDING_IRQ void set_pending_irq(unsigned int irq, cpumask_t mask); void move_native_irq(int irq); void move_masked_irq(int irq); -#else /* CONFIG_GENERIC_PENDING_IRQ || CONFIG_IRQBALANCE */ +#else /* CONFIG_GENERIC_PENDING_IRQ */ static inline void move_irq(int irq) { @@ -274,14 +274,6 @@ static inline void set_pending_irq(unsigned int irq, cpumask_t mask) #endif /* CONFIG_SMP */ -#ifdef CONFIG_IRQBALANCE -extern void set_balance_irq_affinity(unsigned int irq, cpumask_t mask); -#else -static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask) -{ -} -#endif - extern int no_irq_affinity; static inline int irq_balancing_disabled(unsigned int irq) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 6df49218632a..ddc956861a58 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -86,8 +86,6 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask) if (!desc->chip->set_affinity) return -EINVAL; - set_balance_irq_affinity(irq, cpumask); - #ifdef CONFIG_GENERIC_PENDING_IRQ if (desc->status & IRQ_MOVE_PCNTXT) { unsigned long flags; @@ -122,7 +120,6 @@ int irq_select_affinity(unsigned int irq) desc->affinity = mask; desc->chip->set_affinity(irq, mask); - set_balance_irq_affinity(irq, mask); return 0; } #endif -- GitLab From a1420f395d7721895c05ba3dedf150294d2c0e4d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:24 -0700 Subject: [PATCH 5113/6244] x86: add irq_cfg for 32bit it only contains vector ... Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 71 +++++++++++++++++++++++------------- 1 file changed, 46 insertions(+), 25 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 668edf226067..033ad953bee3 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -94,6 +94,43 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); static int disable_timer_pin_1 __initdata; +struct irq_cfg { + u8 vector; +}; + + +/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ +static struct irq_cfg irq_cfg_legacy[] __initdata = { + [0] = { .vector = FIRST_DEVICE_VECTOR, }, +}; + +static void __init init_work(void *data) +{ + struct dyn_array *da = data; + struct irq_cfg *cfg; + int legacy_count; + int i; + + cfg = *da->name; + + legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + + BUG_ON(legacy_count > nr_irqs); + + memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); +} + +static struct irq_cfg *irq_cfgx; +DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); + +static struct irq_cfg *irq_cfg(unsigned int irq) +{ + if (irq >= nr_irqs) + return NULL; + + return &irq_cfgx[irq]; +} + /* * Rough estimation of how many shared IRQs there are, can * be changed anytime. @@ -794,22 +831,6 @@ static inline int IO_APIC_irq_trigger(int irq) return 0; } -/* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -static u8 irq_vector_init_first __initdata = FIRST_DEVICE_VECTOR; -static u8 *irq_vector; - -static void __init irq_vector_init_work(void *data) -{ - struct dyn_array *da = data; - - u8 *irq_vec; - - irq_vec = *da->name; - - irq_vec[0] = irq_vector_init_first; -} - -DEFINE_DYN_ARRAY(irq_vector, sizeof(u8), nr_irqs, PAGE_SIZE, irq_vector_init_work); static int __assign_irq_vector(int irq) { @@ -818,8 +839,8 @@ static int __assign_irq_vector(int irq) BUG_ON((unsigned)irq >= nr_irqs); - if (irq_vector[irq] > 0) - return irq_vector[irq]; + if (irq_cfg(irq)->vector > 0) + return irq_cfg(irq)->vector; vector = current_vector; offset = current_offset; @@ -836,7 +857,7 @@ next: current_vector = vector; current_offset = offset; - irq_vector[irq] = vector; + irq_cfg(irq)->vector = vector; return vector; } @@ -1598,7 +1619,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq) * operation to prevent an edge-triggered interrupt escaping meanwhile. * The idea is from Manfred Spraul. --macro */ - i = irq_vector[irq]; + i = irq_cfg(irq)->vector; v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); @@ -1615,7 +1636,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq) static int ioapic_retrigger_irq(unsigned int irq) { - send_IPI_self(irq_vector[irq]); + send_IPI_self(irq_cfg(irq)->vector); return 1; } @@ -1651,7 +1672,7 @@ static inline void init_IO_APIC_traps(void) * 0x80, because int 0x80 is hm, kind of importantish. ;) */ for (irq = 0; irq < nr_irqs ; irq++) { - if (IO_APIC_IRQ(irq) && !irq_vector[irq]) { + if (IO_APIC_IRQ(irq) && !irq_cfg(irq)->vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 @@ -2102,7 +2123,7 @@ int create_irq(void) for (new = (nr_irqs - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; - if (irq_vector[new] != 0) + if (irq_cfg(new)->vector != 0) continue; vector = __assign_irq_vector(new); if (likely(vector > 0)) @@ -2125,8 +2146,8 @@ void destroy_irq(unsigned int irq) dynamic_irq_cleanup(irq); spin_lock_irqsave(&vector_lock, flags); - clear_bit(irq_vector[irq], used_vectors); - irq_vector[irq] = 0; + clear_bit(irq_cfg(irq)->vector, used_vectors); + irq_cfg(irq)->vector = 0; spin_unlock_irqrestore(&vector_lock, flags); } -- GitLab From da51a821314dd0ec7126f2bf9a62117146fbb6b9 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:25 -0700 Subject: [PATCH 5114/6244] x86: make 32bit use irq_cfg_alloc, etc Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 180 +++++++++++++++++++++++++++++++---- 1 file changed, 160 insertions(+), 20 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 033ad953bee3..5a83d7f5b147 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -94,41 +94,172 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); static int disable_timer_pin_1 __initdata; +struct irq_cfg; + struct irq_cfg { + unsigned int irq; + struct irq_cfg *next; u8 vector; }; /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ static struct irq_cfg irq_cfg_legacy[] __initdata = { - [0] = { .vector = FIRST_DEVICE_VECTOR, }, + [0] = { .irq = 0, .vector = IRQ0_VECTOR, }, + [1] = { .irq = 1, .vector = IRQ1_VECTOR, }, + [2] = { .irq = 2, .vector = IRQ2_VECTOR, }, + [3] = { .irq = 3, .vector = IRQ3_VECTOR, }, + [4] = { .irq = 4, .vector = IRQ4_VECTOR, }, + [5] = { .irq = 5, .vector = IRQ5_VECTOR, }, + [6] = { .irq = 6, .vector = IRQ6_VECTOR, }, + [7] = { .irq = 7, .vector = IRQ7_VECTOR, }, + [8] = { .irq = 8, .vector = IRQ8_VECTOR, }, + [9] = { .irq = 9, .vector = IRQ9_VECTOR, }, + [10] = { .irq = 10, .vector = IRQ10_VECTOR, }, + [11] = { .irq = 11, .vector = IRQ11_VECTOR, }, + [12] = { .irq = 12, .vector = IRQ12_VECTOR, }, + [13] = { .irq = 13, .vector = IRQ13_VECTOR, }, + [14] = { .irq = 14, .vector = IRQ14_VECTOR, }, + [15] = { .irq = 15, .vector = IRQ15_VECTOR, }, }; +static struct irq_cfg irq_cfg_init = { .irq = -1U, }; +/* need to be biger than size of irq_cfg_legacy */ +static int nr_irq_cfg = 32; + +static int __init parse_nr_irq_cfg(char *arg) +{ + if (arg) { + nr_irq_cfg = simple_strtoul(arg, NULL, 0); + if (nr_irq_cfg < 32) + nr_irq_cfg = 32; + } + return 0; +} + +early_param("nr_irq_cfg", parse_nr_irq_cfg); + +static void init_one_irq_cfg(struct irq_cfg *cfg) +{ + memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg)); +} + +static struct irq_cfg *irq_cfgx; +static struct irq_cfg *irq_cfgx_free; static void __init init_work(void *data) { - struct dyn_array *da = data; - struct irq_cfg *cfg; - int legacy_count; - int i; + struct dyn_array *da = data; + struct irq_cfg *cfg; + int legacy_count; + int i; + + cfg = *da->name; - cfg = *da->name; + memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); - legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + for (i = legacy_count; i < *da->nr; i++) + init_one_irq_cfg(&cfg[i]); - BUG_ON(legacy_count > nr_irqs); + for (i = 1; i < *da->nr; i++) + cfg[i-1].next = &cfg[i]; - memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); + irq_cfgx_free = &irq_cfgx[legacy_count]; + irq_cfgx[legacy_count - 1].next = NULL; } -static struct irq_cfg *irq_cfgx; -DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); +#define for_each_irq_cfg(cfg) \ + for (cfg = irq_cfgx; cfg; cfg = cfg->next) + +DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); static struct irq_cfg *irq_cfg(unsigned int irq) { - if (irq >= nr_irqs) - return NULL; + struct irq_cfg *cfg; + + cfg = irq_cfgx; + while (cfg) { + if (cfg->irq == irq) + return cfg; - return &irq_cfgx[irq]; + cfg = cfg->next; + } + + return NULL; +} + +static struct irq_cfg *irq_cfg_alloc(unsigned int irq) +{ + struct irq_cfg *cfg, *cfg_pri; + int i; + int count = 0; + + cfg_pri = cfg = irq_cfgx; + while (cfg) { + if (cfg->irq == irq) + return cfg; + + cfg_pri = cfg; + cfg = cfg->next; + count++; + } + + if (!irq_cfgx_free) { + unsigned long phys; + unsigned long total_bytes; + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); + + total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg; + if (after_bootmem) + cfg = kzalloc(total_bytes, GFP_ATOMIC); + else + cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); + + if (!cfg) + panic("please boot with nr_irq_cfg= %d\n", count * 2); + + phys = __pa(cfg); + printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes); + + for (i = 0; i < nr_irq_cfg; i++) + init_one_irq_cfg(&cfg[i]); + + for (i = 1; i < nr_irq_cfg; i++) + cfg[i-1].next = &cfg[i]; + + irq_cfgx_free = cfg; + } + + cfg = irq_cfgx_free; + irq_cfgx_free = irq_cfgx_free->next; + cfg->next = NULL; + if (cfg_pri) + cfg_pri->next = cfg; + else + irq_cfgx = cfg; + cfg->irq = irq; + printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); + +#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG + { + /* dump the results */ + struct irq_cfg *cfg; + unsigned long phys; + unsigned long bytes = sizeof(struct irq_cfg); + + printk(KERN_DEBUG "=========================== %d\n", irq); + printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq); + for_each_irq_cfg(cfg) { + phys = __pa(cfg); + printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes); + } + printk(KERN_DEBUG "===========================\n"); + } +#endif + return cfg; } /* @@ -254,6 +385,7 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) { struct irq_pin_list *entry = irq_2_pin + irq; + irq_cfg_alloc(irq); while (entry->next) entry = irq_2_pin + entry->next; @@ -836,11 +968,13 @@ static int __assign_irq_vector(int irq) { static int current_vector = FIRST_DEVICE_VECTOR, current_offset; int vector, offset; + struct irq_cfg *cfg; BUG_ON((unsigned)irq >= nr_irqs); - if (irq_cfg(irq)->vector > 0) - return irq_cfg(irq)->vector; + cfg = irq_cfg(irq); + if (cfg->vector > 0) + return cfg->vector; vector = current_vector; offset = current_offset; @@ -857,7 +991,7 @@ next: current_vector = vector; current_offset = offset; - irq_cfg(irq)->vector = vector; + cfg->vector = vector; return vector; } @@ -1659,6 +1793,7 @@ static inline void init_IO_APIC_traps(void) { int irq; struct irq_desc *desc; + struct irq_cfg *cfg; /* * NOTE! The local APIC isn't very good at handling @@ -1671,8 +1806,9 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for (irq = 0; irq < nr_irqs ; irq++) { - if (IO_APIC_IRQ(irq) && !irq_cfg(irq)->vector) { + for_each_irq_cfg(cfg) { + irq = cfg->irq; + if (IO_APIC_IRQ(irq) && !cfg->vector) { /* * Hmm.. We don't have an entry for this, * so default to an old-fashioned 8259 @@ -2117,14 +2253,18 @@ int create_irq(void) /* Allocate an unused irq */ int irq, new, vector = 0; unsigned long flags; + struct irq_cfg *cfg_new; irq = -ENOSPC; spin_lock_irqsave(&vector_lock, flags); for (new = (nr_irqs - 1); new >= 0; new--) { if (platform_legacy_irq(new)) continue; - if (irq_cfg(new)->vector != 0) + cfg_new = irq_cfg(new); + if (cfg_new && cfg_new->vector != 0) continue; + if (!cfg_new) + cfg_new = irq_cfg_alloc(new); vector = __assign_irq_vector(new); if (likely(vector > 0)) irq = new; -- GitLab From 0f978f4505e96227a89b3c9447552aca983c6b57 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:26 -0700 Subject: [PATCH 5115/6244] x86: make 32bit to use irq_2_pin in irq_cfg so it is more like 64 bit. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 152 +++++++++++++++++++++++++++-------- 1 file changed, 117 insertions(+), 35 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 5a83d7f5b147..59d2e8a273e3 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -95,10 +95,11 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); static int disable_timer_pin_1 __initdata; struct irq_cfg; - +struct irq_pin_list; struct irq_cfg { unsigned int irq; struct irq_cfg *next; + struct irq_pin_list *irq_2_pin; u8 vector; }; @@ -275,11 +276,66 @@ int pin_map_size; * between pins and IRQs. */ -static struct irq_pin_list { - int apic, pin, next; -} *irq_2_pin; +struct irq_pin_list { + int apic, pin; + struct irq_pin_list *next; +}; + +static struct irq_pin_list *irq_2_pin_head; +/* fill one page ? */ +static int nr_irq_2_pin = 0x100; +static struct irq_pin_list *irq_2_pin_ptr; +static void __init irq_2_pin_init_work(void *data) +{ + struct dyn_array *da = data; + struct irq_pin_list *pin; + int i; + + pin = *da->name; + + for (i = 1; i < *da->nr; i++) + pin[i-1].next = &pin[i]; + + irq_2_pin_ptr = &pin[0]; +} +DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work); + +static struct irq_pin_list *get_one_free_irq_2_pin(void) +{ + struct irq_pin_list *pin; + int i; + + pin = irq_2_pin_ptr; + + if (pin) { + irq_2_pin_ptr = pin->next; + pin->next = NULL; + return pin; + } + + /* + * we run out of pre-allocate ones, allocate more + */ + printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin); + + if (after_bootmem) + pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin, + GFP_ATOMIC); + else + pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) * + nr_irq_2_pin, PAGE_SIZE, 0); + + if (!pin) + panic("can not get more irq_2_pin\n"); -DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, 16, NULL); + for (i = 1; i < nr_irq_2_pin; i++) + pin[i-1].next = &pin[i]; + + irq_2_pin_ptr = pin->next; + pin->next = NULL; + + return pin; +} struct io_apic { unsigned int index; @@ -383,20 +439,34 @@ static void ioapic_mask_entry(int apic, int pin) */ static void add_pin_to_irq(unsigned int irq, int apic, int pin) { - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg; + struct irq_pin_list *entry; + + /* first time to refer irq_cfg, so with new */ + cfg = irq_cfg_alloc(irq); + entry = cfg->irq_2_pin; + if (!entry) { + entry = get_one_free_irq_2_pin(); + cfg->irq_2_pin = entry; + entry->apic = apic; + entry->pin = pin; + printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); + return; + } - irq_cfg_alloc(irq); - while (entry->next) - entry = irq_2_pin + entry->next; + while (entry->next) { + /* not again, please */ + if (entry->apic == apic && entry->pin == pin) + return; - if (entry->pin != -1) { - entry->next = first_free_entry; - entry = irq_2_pin + entry->next; - if (++first_free_entry >= pin_map_size) - panic("io_apic.c: whoops"); + entry = entry->next; } + + entry->next = get_one_free_irq_2_pin(); + entry = entry->next; entry->apic = apic; entry->pin = pin; + printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); } /* @@ -406,35 +476,45 @@ static void __init replace_pin_at_irq(unsigned int irq, int oldapic, int oldpin, int newapic, int newpin) { - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg = irq_cfg(irq); + struct irq_pin_list *entry = cfg->irq_2_pin; + int replaced = 0; - while (1) { + while (entry) { if (entry->apic == oldapic && entry->pin == oldpin) { entry->apic = newapic; entry->pin = newpin; - } - if (!entry->next) + replaced = 1; + /* every one is different, right? */ break; - entry = irq_2_pin + entry->next; + } + entry = entry->next; } + + /* why? call replace before add? */ + if (!replaced) + add_pin_to_irq(irq, newapic, newpin); } static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable) { - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_cfg *cfg; + struct irq_pin_list *entry; unsigned int pin, reg; + cfg = irq_cfg(irq); + entry = cfg->irq_2_pin; for (;;) { - pin = entry->pin; - if (pin == -1) + if (!entry) break; + pin = entry->pin; reg = io_apic_read(entry->apic, 0x10 + pin*2); reg &= ~disable; reg |= enable; io_apic_modify(entry->apic, 0x10 + pin*2, reg); if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } } @@ -509,13 +589,18 @@ static void clear_IO_APIC(void) #ifdef CONFIG_SMP static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) { + struct irq_cfg *cfg; unsigned long flags; int pin; - struct irq_pin_list *entry = irq_2_pin + irq; + struct irq_pin_list *entry; unsigned int apicid_value; cpumask_t tmp; struct irq_desc *desc; + + cfg = irq_cfg(irq); + entry = cfg->irq_2_pin; + cpus_and(tmp, cpumask, cpu_online_map); if (cpus_empty(tmp)) tmp = TARGET_CPUS; @@ -527,13 +612,13 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) apicid_value = apicid_value << 24; spin_lock_irqsave(&ioapic_lock, flags); for (;;) { - pin = entry->pin; - if (pin == -1) + if (!entry) break; + pin = entry->pin; io_apic_write(entry->apic, 0x10 + 1 + pin*2, apicid_value); if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } desc = irq_to_desc(irq); desc->affinity = cpumask; @@ -1152,6 +1237,7 @@ __apicdebuginit(void) print_IO_APIC(void) union IO_APIC_reg_02 reg_02; union IO_APIC_reg_03 reg_03; unsigned long flags; + struct irq_cfg *cfg; if (apic_verbosity == APIC_QUIET) return; @@ -1240,16 +1326,16 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for (i = 0; i < nr_irqs; i++) { - struct irq_pin_list *entry = irq_2_pin + i; - if (entry->pin < 0) + for_each_irq_cfg(cfg) { + struct irq_pin_list *entry = cfg->irq_2_pin; + if (!entry) continue; printk(KERN_DEBUG "IRQ%d ", i); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) break; - entry = irq_2_pin + entry->next; + entry = entry->next; } printk("\n"); } @@ -1420,10 +1506,6 @@ static void __init enable_IO_APIC(void) int i, apic; unsigned long flags; - for (i = 0; i < pin_map_size; i++) { - irq_2_pin[i].pin = -1; - irq_2_pin[i].next = 0; - } if (!pirqs_enabled) for (i = 0; i < MAX_PIRQS; i++) pirq_entries[i] = -1; -- GitLab From 199751d715bba5b469ea22adadc68a4166bfa4f5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:27 -0700 Subject: [PATCH 5116/6244] x86: make 32 bit to use sparse_irq but actually irq still needs to be less than NR_IRQS, because interrupt[NR_IRQS] in entry.S. need to enable per_cpu vector... Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 2 +- arch/x86/kernel/io_apic_32.c | 63 ++++++++++++++++++++++++------------ arch/x86/kernel/irq_32.c | 37 +++++++++++++++------ arch/x86/kernel/irqinit_32.c | 7 ++++ 4 files changed, 79 insertions(+), 30 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3e0eaaa1a339..b157e94637bf 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -34,7 +34,7 @@ config X86 select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_DYN_ARRAY - select HAVE_SPARSE_IRQ if X86_64 + select HAVE_SPARSE_IRQ config ARCH_DEFCONFIG string diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 59d2e8a273e3..66c0a91362a7 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -595,7 +595,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) struct irq_pin_list *entry; unsigned int apicid_value; cpumask_t tmp; - struct irq_desc *desc; cfg = irq_cfg(irq); @@ -620,8 +619,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) break; entry = entry->next; } - desc = irq_to_desc(irq); - desc->affinity = cpumask; + irq_to_desc(irq)->affinity = cpumask; spin_unlock_irqrestore(&ioapic_lock, flags); } @@ -1055,8 +1053,6 @@ static int __assign_irq_vector(int irq) int vector, offset; struct irq_cfg *cfg; - BUG_ON((unsigned)irq >= nr_irqs); - cfg = irq_cfg(irq); if (cfg->vector > 0) return cfg->vector; @@ -1103,7 +1099,12 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger) { struct irq_desc *desc; - desc = irq_to_desc(irq); + /* first time to use this irq_desc */ + if (irq < 16) + desc = irq_to_desc(irq); + else + desc = irq_to_desc_alloc(irq); + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || trigger == IOAPIC_LEVEL) { desc->status |= IRQ_LEVEL; @@ -2330,16 +2331,19 @@ device_initcall(ioapic_init_sysfs); /* * Dynamic irq allocate and deallocation */ -int create_irq(void) +unsigned int create_irq_nr(unsigned int irq_want) { /* Allocate an unused irq */ - int irq, new, vector = 0; + unsigned int irq, new, vector = 0; unsigned long flags; struct irq_cfg *cfg_new; - irq = -ENOSPC; + /* only can use bus/dev/fn.. when per_cpu vector is used */ + irq_want = nr_irqs - 1; + + irq = 0; spin_lock_irqsave(&vector_lock, flags); - for (new = (nr_irqs - 1); new >= 0; new--) { + for (new = (nr_irqs - 1); new > 0; new--) { if (platform_legacy_irq(new)) continue; cfg_new = irq_cfg(new); @@ -2354,13 +2358,18 @@ int create_irq(void) } spin_unlock_irqrestore(&vector_lock, flags); - if (irq >= 0) { + if (irq > 0) { set_intr_gate(vector, interrupt[irq]); dynamic_irq_init(irq); } return irq; } +int create_irq(void) +{ + return create_irq_nr(nr_irqs - 1); +} + void destroy_irq(unsigned int irq) { unsigned long flags; @@ -2415,7 +2424,6 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) unsigned int dest; cpumask_t tmp; int vector; - struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2435,8 +2443,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - desc = irq_to_desc(irq); - desc->affinity = mask; + irq_to_desc(irq)->affinity = mask; } #endif /* CONFIG_SMP */ @@ -2455,13 +2462,31 @@ static struct irq_chip msi_chip = { .retrigger = ioapic_retrigger_irq, }; +static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) +{ + unsigned int irq; + + irq = dev->bus->number; + irq <<= 8; + irq |= dev->devfn; + irq <<= 12; + + return irq; +} + int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { struct msi_msg msg; int irq, ret; - irq = create_irq(); - if (irq < 0) - return irq; + + unsigned int irq_want; + + irq_want = build_irq_for_pci_dev(dev) + 0x100; + + irq = create_irq_nr(irq_want); + + if (irq == 0) + return -1; ret = msi_compose_msg(dev, irq, &msg); if (ret < 0) { @@ -2510,7 +2535,6 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { unsigned int dest; cpumask_t tmp; - struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2521,8 +2545,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(mask); target_ht_irq(irq, dest); - desc = irq_to_desc(irq); - desc->affinity = mask; + irq_to_desc(irq)->affinity = mask; } #endif diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 576c5df6cad8..0a57e39159a8 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -224,9 +224,10 @@ unsigned int do_IRQ(struct pt_regs *regs) struct pt_regs *old_regs; /* high bit used in ret_from_ code */ int overflow, irq = ~regs->orig_ax; - struct irq_desc *desc = irq_to_desc(irq); + struct irq_desc *desc; - if (unlikely((unsigned)irq >= nr_irqs)) { + desc = irq_to_desc(irq); + if (unlikely(!desc)) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", __func__, irq); BUG(); @@ -263,6 +264,24 @@ int show_interrupts(struct seq_file *p, void *v) int i = *(loff_t *) v, j; struct irqaction * action; unsigned long flags; + unsigned int entries; + struct irq_desc *desc; + int tail = 0; + +#ifdef CONFIG_HAVE_SPARSE_IRQ + desc = (struct irq_desc *)v; + entries = -1U; + i = desc->irq; + if (!desc->next) + tail = 1; +#else + entries = nr_irqs - 1; + i = *(loff_t *) v; + if (i == nr_irqs) + tail = 1; + else + desc = irq_to_desc(i); +#endif if (i == 0) { seq_printf(p, " "); @@ -271,9 +290,8 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i < nr_irqs) { + if (i <= entries) { unsigned any_count = 0; - struct irq_desc *desc = irq_to_desc(i); spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP @@ -285,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v) action = desc->action; if (!action && !any_count) goto skip; - seq_printf(p, "%3d: ",i); + seq_printf(p, "%#x: ",i); #ifndef CONFIG_SMP seq_printf(p, "%10u ", kstat_irqs(i)); #else @@ -304,7 +322,9 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: spin_unlock_irqrestore(&desc->lock, flags); - } else if (i == nr_irqs) { + } + + if (tail) { seq_printf(p, "NMI: "); for_each_online_cpu(j) seq_printf(p, "%10u ", nmi_count(j)); @@ -396,15 +416,14 @@ void fixup_irqs(cpumask_t map) { unsigned int irq; static int warned; + struct irq_desc *desc; - for (irq = 0; irq < nr_irqs; irq++) { + for_each_irq_desc(irq, desc) { cpumask_t mask; - struct irq_desc *desc; if (irq == 2) continue; - desc = irq_to_desc(irq); cpus_and(mask, desc->affinity, map); if (any_online_cpu(mask) == NR_CPUS) { printk("Breaking affinity for irq %i\n", irq); diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 65c1c9507707..ded09ac2642e 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -69,6 +69,13 @@ void __init init_ISA_irqs (void) * 16 old-style INTA-cycle interrupts: */ for (i = 0; i < 16; i++) { + /* first time call this irq_desc */ + struct irq_desc *desc = irq_to_desc_alloc(i); + + desc->status = IRQ_DISABLED; + desc->action = NULL; + desc->depth = 1; + set_irq_chip_and_handler_name(i, &i8259A_chip, handle_level_irq, "XT"); } -- GitLab From 497c9a195db918d3f035e8cb3021e5d4d035516e Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:28 -0700 Subject: [PATCH 5117/6244] x86: make 32bit support per_cpu vector so we can merge io_apic_32.c and io_apic_64.c v2: Use cpu_online_map as target cpus for bigsmp, just like 64-bit is doing. Also remove some unused TARGET_CPUS macro. v3: need to check if desc is null in smp_irq_move_cleanup also migration needs to reset vector too, so copy __target_IO_APIC_irq from 64bit. (the duplication will go away once the two files are unified.) Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/entry_32.S | 2 +- arch/x86/kernel/io_apic_32.c | 719 ++++++++++++++-------- arch/x86/kernel/irq_32.c | 18 +- arch/x86/kernel/irqinit_32.c | 41 +- arch/x86/lguest/boot.c | 2 +- arch/x86/mach-generic/bigsmp.c | 4 + arch/x86/mach-generic/es7000.c | 14 + arch/x86/mach-generic/numaq.c | 14 + arch/x86/mach-generic/summit.c | 14 + include/asm-x86/bigsmp/apic.h | 15 +- include/asm-x86/es7000/apic.h | 3 +- include/asm-x86/genapic_32.h | 2 + include/asm-x86/hw_irq.h | 6 +- include/asm-x86/irq_vectors.h | 15 +- include/asm-x86/mach-default/entry_arch.h | 1 + include/asm-x86/mach-default/mach_apic.h | 15 +- include/asm-x86/mach-generic/mach_apic.h | 1 + include/asm-x86/numaq/apic.h | 2 - include/asm-x86/summit/apic.h | 1 - 19 files changed, 577 insertions(+), 312 deletions(-) diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index b21fbfaffe39..4d82171d0f9c 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -629,7 +629,7 @@ ENTRY(interrupt) ENTRY(irq_entries_start) RING0_INT_FRAME vector=0 -.rept NR_IRQS +.rept NR_VECTORS ALIGN .if vector CFI_ADJUST_CFA_OFFSET -4 diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 66c0a91362a7..ea33d3c74970 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -48,6 +48,7 @@ #include #include +#include #include #include @@ -60,7 +61,7 @@ atomic_t irq_mis_count; static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; static DEFINE_SPINLOCK(ioapic_lock); -DEFINE_SPINLOCK(vector_lock); +static DEFINE_SPINLOCK(vector_lock); int timer_through_8259 __initdata; @@ -100,28 +101,32 @@ struct irq_cfg { unsigned int irq; struct irq_cfg *next; struct irq_pin_list *irq_2_pin; + cpumask_t domain; + cpumask_t old_domain; + unsigned move_cleanup_count; u8 vector; + u8 move_in_progress : 1; }; /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ static struct irq_cfg irq_cfg_legacy[] __initdata = { - [0] = { .irq = 0, .vector = IRQ0_VECTOR, }, - [1] = { .irq = 1, .vector = IRQ1_VECTOR, }, - [2] = { .irq = 2, .vector = IRQ2_VECTOR, }, - [3] = { .irq = 3, .vector = IRQ3_VECTOR, }, - [4] = { .irq = 4, .vector = IRQ4_VECTOR, }, - [5] = { .irq = 5, .vector = IRQ5_VECTOR, }, - [6] = { .irq = 6, .vector = IRQ6_VECTOR, }, - [7] = { .irq = 7, .vector = IRQ7_VECTOR, }, - [8] = { .irq = 8, .vector = IRQ8_VECTOR, }, - [9] = { .irq = 9, .vector = IRQ9_VECTOR, }, - [10] = { .irq = 10, .vector = IRQ10_VECTOR, }, - [11] = { .irq = 11, .vector = IRQ11_VECTOR, }, - [12] = { .irq = 12, .vector = IRQ12_VECTOR, }, - [13] = { .irq = 13, .vector = IRQ13_VECTOR, }, - [14] = { .irq = 14, .vector = IRQ14_VECTOR, }, - [15] = { .irq = 15, .vector = IRQ15_VECTOR, }, + [0] = { .irq = 0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, + [1] = { .irq = 1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, + [2] = { .irq = 2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, + [3] = { .irq = 3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, + [4] = { .irq = 4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, + [5] = { .irq = 5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, + [6] = { .irq = 6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, + [7] = { .irq = 7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, + [8] = { .irq = 8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, + [9] = { .irq = 9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, + [10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, + [11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, + [12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, + [13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, + [14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, + [15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, }; static struct irq_cfg irq_cfg_init = { .irq = -1U, }; @@ -263,6 +268,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) return cfg; } +static int assign_irq_vector(int irq, cpumask_t mask); /* * Rough estimation of how many shared IRQs there are, can * be changed anytime. @@ -432,6 +438,65 @@ static void ioapic_mask_entry(int apic, int pin) spin_unlock_irqrestore(&ioapic_lock, flags); } +#ifdef CONFIG_SMP +static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) +{ + int apic, pin; + struct irq_cfg *cfg; + struct irq_pin_list *entry; + + cfg = irq_cfg(irq); + entry = cfg->irq_2_pin; + for (;;) { + unsigned int reg; + + if (!entry) + break; + + apic = entry->apic; + pin = entry->pin; + io_apic_write(apic, 0x11 + pin*2, dest); + reg = io_apic_read(apic, 0x10 + pin*2); + reg &= ~IO_APIC_REDIR_VECTOR_MASK; + reg |= vector; + io_apic_modify(apic, 0x10 + pin *2, reg); + if (!entry->next) + break; + entry = entry->next; + } +} +static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) +{ + struct irq_cfg *cfg; + unsigned long flags; + unsigned int dest; + cpumask_t tmp; + + cfg = irq_cfg(irq); + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(tmp, cfg->domain, mask); + + dest = cpu_mask_to_apicid(tmp); + /* + * Only the high 8 bits are valid. + */ + dest = SET_APIC_LOGICAL_ID(dest); + + spin_lock_irqsave(&ioapic_lock, flags); + __target_IO_APIC_irq(irq, dest, cfg->vector); + irq_to_desc(irq)->affinity = mask; + spin_unlock_irqrestore(&ioapic_lock, flags); +} + +#endif /* CONFIG_SMP */ + /* * The common case is 1:1 IRQ<->pin mappings. Sometimes there are * shared ISA-space IRQs, so we have to support them. We are super @@ -586,45 +651,6 @@ static void clear_IO_APIC(void) clear_IO_APIC_pin(apic, pin); } -#ifdef CONFIG_SMP -static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask) -{ - struct irq_cfg *cfg; - unsigned long flags; - int pin; - struct irq_pin_list *entry; - unsigned int apicid_value; - cpumask_t tmp; - - - cfg = irq_cfg(irq); - entry = cfg->irq_2_pin; - - cpus_and(tmp, cpumask, cpu_online_map); - if (cpus_empty(tmp)) - tmp = TARGET_CPUS; - - cpus_and(cpumask, tmp, CPU_MASK_ALL); - - apicid_value = cpu_mask_to_apicid(cpumask); - /* Prepare to do the io_apic_write */ - apicid_value = apicid_value << 24; - spin_lock_irqsave(&ioapic_lock, flags); - for (;;) { - if (!entry) - break; - pin = entry->pin; - io_apic_write(entry->apic, 0x10 + 1 + pin*2, apicid_value); - if (!entry->next) - break; - entry = entry->next; - } - irq_to_desc(irq)->affinity = cpumask; - spin_unlock_irqrestore(&ioapic_lock, flags); -} - -#endif /* CONFIG_SMP */ - #ifndef CONFIG_SMP void send_IPI_self(int vector) { @@ -789,32 +815,6 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) } EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); -/* - * This function currently is only a helper for the i386 smp boot process where - * we need to reprogram the ioredtbls to cater for the cpus which have come online - * so mask in all cases should simply be TARGET_CPUS - */ -#ifdef CONFIG_SMP -void __init setup_ioapic_dest(void) -{ - int pin, ioapic, irq, irq_entry; - - if (skip_ioapic_setup == 1) - return; - - for (ioapic = 0; ioapic < nr_ioapics; ioapic++) { - for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) { - irq_entry = find_irq_entry(ioapic, pin, mp_INT); - if (irq_entry == -1) - continue; - irq = pin_2_irq(irq_entry, ioapic, pin); - set_ioapic_affinity_irq(irq, TARGET_CPUS); - } - - } -} -#endif - #if defined(CONFIG_EISA) || defined(CONFIG_MCA) /* * EISA Edge/Level control register, ELCR @@ -1046,47 +1046,138 @@ static inline int IO_APIC_irq_trigger(int irq) return 0; } +void lock_vector_lock(void) +{ + /* Used to the online set of cpus does not change + * during assign_irq_vector. + */ + spin_lock(&vector_lock); +} -static int __assign_irq_vector(int irq) +void unlock_vector_lock(void) { - static int current_vector = FIRST_DEVICE_VECTOR, current_offset; - int vector, offset; - struct irq_cfg *cfg; + spin_unlock(&vector_lock); +} - cfg = irq_cfg(irq); - if (cfg->vector > 0) - return cfg->vector; +static int __assign_irq_vector(int irq, cpumask_t mask) +{ + static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; + unsigned int old_vector; + int cpu; + struct irq_cfg *cfg; - vector = current_vector; - offset = current_offset; -next: - vector += 8; - if (vector >= first_system_vector) { - offset = (offset + 1) % 8; - vector = FIRST_DEVICE_VECTOR + offset; - } - if (vector == current_vector) - return -ENOSPC; - if (test_and_set_bit(vector, used_vectors)) - goto next; + cfg = irq_cfg(irq); - current_vector = vector; - current_offset = offset; - cfg->vector = vector; + /* Only try and allocate irqs on cpus that are present */ + cpus_and(mask, mask, cpu_online_map); - return vector; -} + if ((cfg->move_in_progress) || cfg->move_cleanup_count) + return -EBUSY; -static int assign_irq_vector(int irq) -{ + old_vector = cfg->vector; + if (old_vector) { + cpumask_t tmp; + cpus_and(tmp, cfg->domain, mask); + if (!cpus_empty(tmp)) + return 0; + } + + for_each_cpu_mask_nr(cpu, mask) { + cpumask_t domain, new_mask; + int new_cpu; + int vector, offset; + + domain = vector_allocation_domain(cpu); + cpus_and(new_mask, domain, cpu_online_map); + + vector = current_vector; + offset = current_offset; +next: + vector += 8; + if (vector >= first_system_vector) { + /* If we run out of vectors on large boxen, must share them. */ + offset = (offset + 1) % 8; + vector = FIRST_DEVICE_VECTOR + offset; + } + if (unlikely(current_vector == vector)) + continue; + if (vector == SYSCALL_VECTOR) + goto next; + + for_each_cpu_mask_nr(new_cpu, new_mask) + if (per_cpu(vector_irq, new_cpu)[vector] != -1) + goto next; + /* Found one! */ + current_vector = vector; + current_offset = offset; + if (old_vector) { + cfg->move_in_progress = 1; + cfg->old_domain = cfg->domain; + } + for_each_cpu_mask_nr(new_cpu, new_mask) + per_cpu(vector_irq, new_cpu)[vector] = irq; + cfg->vector = vector; + cfg->domain = domain; + return 0; + } + return -ENOSPC; +} + +static int assign_irq_vector(int irq, cpumask_t mask) +{ + int err; unsigned long flags; - int vector; spin_lock_irqsave(&vector_lock, flags); - vector = __assign_irq_vector(irq); + err = __assign_irq_vector(irq, mask); spin_unlock_irqrestore(&vector_lock, flags); - return vector; + return err; +} + +static void __clear_irq_vector(int irq) +{ + struct irq_cfg *cfg; + cpumask_t mask; + int cpu, vector; + + cfg = irq_cfg(irq); + BUG_ON(!cfg->vector); + + vector = cfg->vector; + cpus_and(mask, cfg->domain, cpu_online_map); + for_each_cpu_mask_nr(cpu, mask) + per_cpu(vector_irq, cpu)[vector] = -1; + + cfg->vector = 0; + cpus_clear(cfg->domain); +} + +void __setup_vector_irq(int cpu) +{ + /* Initialize vector_irq on a new cpu */ + /* This function must be called with vector_lock held */ + int irq, vector; + struct irq_cfg *cfg; + + /* Mark the inuse vectors */ + for_each_irq_cfg(cfg) { + if (!cpu_isset(cpu, cfg->domain)) + continue; + vector = cfg->vector; + irq = cfg->irq; + per_cpu(vector_irq, cpu)[vector] = irq; + } + /* Mark the free vectors */ + for (vector = 0; vector < NR_VECTORS; ++vector) { + irq = per_cpu(vector_irq, cpu)[vector]; + if (irq < 0) + continue; + + cfg = irq_cfg(irq); + if (!cpu_isset(cpu, cfg->domain)) + per_cpu(vector_irq, cpu)[vector] = -1; + } } static struct irq_chip ioapic_chip; @@ -1095,7 +1186,7 @@ static struct irq_chip ioapic_chip; #define IOAPIC_EDGE 0 #define IOAPIC_LEVEL 1 -static void ioapic_register_intr(int irq, int vector, unsigned long trigger) +static void ioapic_register_intr(int irq, unsigned long trigger) { struct irq_desc *desc; @@ -1115,79 +1206,109 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger) set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); } - set_intr_gate(vector, interrupt[irq]); } -static void __init setup_IO_APIC_irqs(void) +static int setup_ioapic_entry(int apic, int irq, + struct IO_APIC_route_entry *entry, + unsigned int destination, int trigger, + int polarity, int vector) { + /* + * add it to the IO-APIC irq-routing table: + */ + memset(entry,0,sizeof(*entry)); + + entry->delivery_mode = INT_DELIVERY_MODE; + entry->dest_mode = INT_DEST_MODE; + entry->dest.logical.logical_dest = destination; + + entry->mask = 0; /* enable IRQ */ + entry->trigger = trigger; + entry->polarity = polarity; + entry->vector = vector; + + /* Mask level triggered irqs. + * Use IRQ_DELAYED_DISABLE for edge triggered irqs. + */ + if (trigger) + entry->mask = 1; + + return 0; +} + +static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, + int trigger, int polarity) +{ + struct irq_cfg *cfg; struct IO_APIC_route_entry entry; - int apic, pin, idx, irq, first_notcon = 1, vector; + cpumask_t mask; + + if (!IO_APIC_IRQ(irq)) + return; + + cfg = irq_cfg(irq); + + mask = TARGET_CPUS; + if (assign_irq_vector(irq, mask)) + return; + + cpus_and(mask, cfg->domain, mask); + + apic_printk(APIC_VERBOSE,KERN_DEBUG + "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> " + "IRQ %d Mode:%i Active:%i)\n", + apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector, + irq, trigger, polarity); + + + if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry, + cpu_mask_to_apicid(mask), trigger, polarity, + cfg->vector)) { + printk("Failed to setup ioapic entry for ioapic %d, pin %d\n", + mp_ioapics[apic].mp_apicid, pin); + __clear_irq_vector(irq); + return; + } + + ioapic_register_intr(irq, trigger); + if (irq < 16) + disable_8259A_irq(irq); + + ioapic_write_entry(apic, pin, entry); +} + +static void __init setup_IO_APIC_irqs(void) +{ + int apic, pin, idx, irq, first_notcon = 1; apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n"); for (apic = 0; apic < nr_ioapics; apic++) { for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - /* - * add it to the IO-APIC irq-routing table: - */ - memset(&entry, 0, sizeof(entry)); - - entry.delivery_mode = INT_DELIVERY_MODE; - entry.dest_mode = INT_DEST_MODE; - entry.mask = 0; /* enable IRQ */ - entry.dest.logical.logical_dest = - cpu_mask_to_apicid(TARGET_CPUS); - - idx = find_irq_entry(apic, pin, mp_INT); + idx = find_irq_entry(apic,pin,mp_INT); if (idx == -1) { if (first_notcon) { - apic_printk(APIC_VERBOSE, KERN_DEBUG - " IO-APIC (apicid-pin) %d-%d", - mp_ioapics[apic].mp_apicid, - pin); + apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin); first_notcon = 0; } else - apic_printk(APIC_VERBOSE, ", %d-%d", - mp_ioapics[apic].mp_apicid, pin); + apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin); continue; } - if (!first_notcon) { apic_printk(APIC_VERBOSE, " not connected.\n"); first_notcon = 1; } - entry.trigger = irq_trigger(idx); - entry.polarity = irq_polarity(idx); - - if (irq_trigger(idx)) { - entry.trigger = 1; - entry.mask = 1; - } - irq = pin_2_irq(idx, apic, pin); - /* - * skip adding the timer int on secondary nodes, which causes - * a small but painful rift in the time-space continuum - */ - if (multi_timer_check(apic, irq)) - continue; - else - add_pin_to_irq(irq, apic, pin); - if (!apic && !IO_APIC_IRQ(irq)) - continue; + if (multi_timer_check(apic, irq)) + continue; - if (IO_APIC_IRQ(irq)) { - vector = assign_irq_vector(irq); - entry.vector = vector; - ioapic_register_intr(irq, vector, IOAPIC_AUTO); + add_pin_to_irq(irq, apic, pin); - if (!apic && (irq < 16)) - disable_8259A_irq(irq); - } - ioapic_write_entry(apic, pin, entry); + setup_IO_APIC_irq(apic, pin, irq, + irq_trigger(idx), irq_polarity(idx)); } } @@ -1221,7 +1342,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, * The timer IRQ doesn't have to know that behind the * scene we may have a 8259A-master in AEOI mode ... */ - ioapic_register_intr(0, vector, IOAPIC_EDGE); + ioapic_register_intr(0, IOAPIC_EDGE); /* * Add it to the IO-APIC irq-routing table: @@ -1805,8 +1926,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq) return was_pending; } +static void irq_complete_move(unsigned int irq); static void ack_ioapic_irq(unsigned int irq) { + irq_complete_move(irq); move_native_irq(irq); ack_APIC_irq(); } @@ -1816,6 +1939,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq) unsigned long v; int i; + irq_complete_move(irq); move_native_irq(irq); /* * It appears there is an erratum which affects at least version 0x11 @@ -1858,6 +1982,64 @@ static int ioapic_retrigger_irq(unsigned int irq) return 1; } +#ifdef CONFIG_SMP +asmlinkage void smp_irq_move_cleanup_interrupt(void) +{ + unsigned vector, me; + ack_APIC_irq(); + irq_enter(); + + me = smp_processor_id(); + for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { + unsigned int irq; + struct irq_desc *desc; + struct irq_cfg *cfg; + irq = __get_cpu_var(vector_irq)[vector]; + + desc = irq_to_desc(irq); + if (!desc) + continue; + + cfg = irq_cfg(irq); + spin_lock(&desc->lock); + if (!cfg->move_cleanup_count) + goto unlock; + + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) + goto unlock; + + __get_cpu_var(vector_irq)[vector] = -1; + cfg->move_cleanup_count--; +unlock: + spin_unlock(&desc->lock); + } + + irq_exit(); +} + +static void irq_complete_move(unsigned int irq) +{ + struct irq_cfg *cfg = irq_cfg(irq); + unsigned vector, me; + + if (likely(!cfg->move_in_progress)) + return; + + vector = ~get_irq_regs()->orig_ax; + me = smp_processor_id(); + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) { + cpumask_t cleanup_mask; + + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } +} +#else +static inline void irq_complete_move(unsigned int irq) {} +#endif + static struct irq_chip ioapic_chip __read_mostly = { .name = "IO-APIC", .startup = startup_ioapic_irq, @@ -1940,7 +2122,7 @@ static struct irq_chip lapic_chip __read_mostly = { .ack = ack_lapic_irq, }; -static void lapic_register_intr(int irq, int vector) +static void lapic_register_intr(int irq) { struct irq_desc *desc; @@ -1948,7 +2130,6 @@ static void lapic_register_intr(int irq, int vector) desc->status &= ~IRQ_LEVEL; set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq, "edge"); - set_intr_gate(vector, interrupt[irq]); } static void __init setup_nmi(void) @@ -2036,9 +2217,9 @@ static inline void __init unlock_ExtINT_logic(void) */ static inline void __init check_timer(void) { + struct irq_cfg *cfg = irq_cfg(0); int apic1, pin1, apic2, pin2; int no_pin1 = 0; - int vector; unsigned int ver; unsigned long flags; @@ -2051,8 +2232,7 @@ static inline void __init check_timer(void) * get/set the timer IRQ vector: */ disable_8259A_irq(0); - vector = assign_irq_vector(0); - set_intr_gate(vector, interrupt[0]); + assign_irq_vector(0, TARGET_CPUS); /* * As IRQ0 is to be enabled in the 8259A, the virtual @@ -2074,7 +2254,7 @@ static inline void __init check_timer(void) apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X " "apic1=%d pin1=%d apic2=%d pin2=%d\n", - vector, apic1, pin1, apic2, pin2); + cfg->vector, apic1, pin1, apic2, pin2); /* * Some BIOS writers are clueless and report the ExtINTA @@ -2098,7 +2278,7 @@ static inline void __init check_timer(void) */ if (no_pin1) { add_pin_to_irq(0, apic1, pin1); - setup_timer_IRQ0_pin(apic1, pin1, vector); + setup_timer_IRQ0_pin(apic1, pin1, cfg->vector); } unmask_IO_APIC_irq(0); if (timer_irq_works()) { @@ -2123,7 +2303,7 @@ static inline void __init check_timer(void) * legacy devices should be connected to IO APIC #0 */ replace_pin_at_irq(0, apic1, pin1, apic2, pin2); - setup_timer_IRQ0_pin(apic2, pin2, vector); + setup_timer_IRQ0_pin(apic2, pin2, cfg->vector); unmask_IO_APIC_irq(0); enable_8259A_irq(0); if (timer_irq_works()) { @@ -2154,8 +2334,8 @@ static inline void __init check_timer(void) apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...\n"); - lapic_register_intr(0, vector); - apic_write(APIC_LVT0, APIC_DM_FIXED | vector); /* Fixed mode */ + lapic_register_intr(0); + apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */ enable_8259A_irq(0); if (timer_irq_works()) { @@ -2163,7 +2343,7 @@ static inline void __init check_timer(void) goto out; } disable_8259A_irq(0); - apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector); + apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector); apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n"); apic_printk(APIC_QUIET, KERN_INFO @@ -2207,12 +2387,6 @@ out: void __init setup_IO_APIC(void) { - int i; - - /* Reserve all the system vectors. */ - for (i = first_system_vector; i < NR_VECTORS; i++) - set_bit(i, used_vectors); - enable_IO_APIC(); io_apic_irqs = ~PIC_IRQS; @@ -2334,12 +2508,14 @@ device_initcall(ioapic_init_sysfs); unsigned int create_irq_nr(unsigned int irq_want) { /* Allocate an unused irq */ - unsigned int irq, new, vector = 0; + unsigned int irq, new; unsigned long flags; struct irq_cfg *cfg_new; +#ifndef CONFIG_HAVE_SPARSE_IRQ /* only can use bus/dev/fn.. when per_cpu vector is used */ irq_want = nr_irqs - 1; +#endif irq = 0; spin_lock_irqsave(&vector_lock, flags); @@ -2351,15 +2527,13 @@ unsigned int create_irq_nr(unsigned int irq_want) continue; if (!cfg_new) cfg_new = irq_cfg_alloc(new); - vector = __assign_irq_vector(new); - if (likely(vector > 0)) + if (__assign_irq_vector(new, TARGET_CPUS) == 0) irq = new; break; } spin_unlock_irqrestore(&vector_lock, flags); if (irq > 0) { - set_intr_gate(vector, interrupt[irq]); dynamic_irq_init(irq); } return irq; @@ -2377,8 +2551,7 @@ void destroy_irq(unsigned int irq) dynamic_irq_cleanup(irq); spin_lock_irqsave(&vector_lock, flags); - clear_bit(irq_cfg(irq)->vector, used_vectors); - irq_cfg(irq)->vector = 0; + __clear_irq_vector(irq); spin_unlock_irqrestore(&vector_lock, flags); } @@ -2388,57 +2561,65 @@ void destroy_irq(unsigned int irq) #ifdef CONFIG_PCI_MSI static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) { - int vector; + struct irq_cfg *cfg; + int err; unsigned dest; + cpumask_t tmp; - vector = assign_irq_vector(irq); - if (vector >= 0) { - dest = cpu_mask_to_apicid(TARGET_CPUS); - - msg->address_hi = MSI_ADDR_BASE_HI; - msg->address_lo = - MSI_ADDR_BASE_LO | - ((INT_DEST_MODE == 0) ? -MSI_ADDR_DEST_MODE_PHYSICAL: - MSI_ADDR_DEST_MODE_LOGICAL) | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - MSI_ADDR_REDIRECTION_CPU: - MSI_ADDR_REDIRECTION_LOWPRI) | - MSI_ADDR_DEST_ID(dest); + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if (err) + return err; - msg->data = - MSI_DATA_TRIGGER_EDGE | - MSI_DATA_LEVEL_ASSERT | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? -MSI_DATA_DELIVERY_FIXED: - MSI_DATA_DELIVERY_LOWPRI) | - MSI_DATA_VECTOR(vector); - } - return vector; + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, tmp); + dest = cpu_mask_to_apicid(tmp); + + msg->address_hi = MSI_ADDR_BASE_HI; + msg->address_lo = + MSI_ADDR_BASE_LO | + ((INT_DEST_MODE == 0) ? + MSI_ADDR_DEST_MODE_PHYSICAL: + MSI_ADDR_DEST_MODE_LOGICAL) | + ((INT_DELIVERY_MODE != dest_LowestPrio) ? + MSI_ADDR_REDIRECTION_CPU: + MSI_ADDR_REDIRECTION_LOWPRI) | + MSI_ADDR_DEST_ID(dest); + + msg->data = + MSI_DATA_TRIGGER_EDGE | + MSI_DATA_LEVEL_ASSERT | + ((INT_DELIVERY_MODE != dest_LowestPrio) ? + MSI_DATA_DELIVERY_FIXED: + MSI_DATA_DELIVERY_LOWPRI) | + MSI_DATA_VECTOR(cfg->vector); + + return err; } #ifdef CONFIG_SMP static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg; struct msi_msg msg; unsigned int dest; cpumask_t tmp; - int vector; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; + return; - vector = assign_irq_vector(irq); - if (vector < 0) + if (assign_irq_vector(irq, mask)) return; - dest = cpu_mask_to_apicid(mask); + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); read_msi_msg(irq, &msg); msg.data &= ~MSI_DATA_VECTOR_MASK; - msg.data |= MSI_DATA_VECTOR(vector); + msg.data |= MSI_DATA_VECTOR(cfg->vector); msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; msg.address_lo |= MSI_ADDR_DEST_ID(dest); @@ -2517,15 +2698,15 @@ void arch_teardown_msi_irq(unsigned int irq) #ifdef CONFIG_SMP -static void target_ht_irq(unsigned int irq, unsigned int dest) +static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector) { struct ht_irq_msg msg; fetch_ht_irq_msg(irq, &msg); - msg.address_lo &= ~(HT_IRQ_LOW_DEST_ID_MASK); + msg.address_lo &= ~(HT_IRQ_LOW_VECTOR_MASK | HT_IRQ_LOW_DEST_ID_MASK); msg.address_hi &= ~(HT_IRQ_HIGH_DEST_ID_MASK); - msg.address_lo |= HT_IRQ_LOW_DEST_ID(dest); + msg.address_lo |= HT_IRQ_LOW_VECTOR(vector) | HT_IRQ_LOW_DEST_ID(dest); msg.address_hi |= HT_IRQ_HIGH_DEST_ID(dest); write_ht_irq_msg(irq, &msg); @@ -2533,18 +2714,22 @@ static void target_ht_irq(unsigned int irq, unsigned int dest) static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) { + struct irq_cfg *cfg; unsigned int dest; cpumask_t tmp; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) - tmp = TARGET_CPUS; + return; - cpus_and(mask, tmp, CPU_MASK_ALL); + if (assign_irq_vector(irq, mask)) + return; - dest = cpu_mask_to_apicid(mask); + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); - target_ht_irq(irq, dest); + target_ht_irq(irq, dest, cfg->vector); irq_to_desc(irq)->affinity = mask; } #endif @@ -2562,16 +2747,18 @@ static struct irq_chip ht_irq_chip = { int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) { - int vector; + struct irq_cfg *cfg; + int err; + cpumask_t tmp; - vector = assign_irq_vector(irq); - if (vector >= 0) { + tmp = TARGET_CPUS; + err = assign_irq_vector(irq, tmp); + if ( !err) { struct ht_irq_msg msg; unsigned dest; - cpumask_t tmp; - cpus_clear(tmp); - cpu_set(vector >> 8, tmp); + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest); @@ -2579,7 +2766,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) msg.address_lo = HT_IRQ_LOW_BASE | HT_IRQ_LOW_DEST_ID(dest) | - HT_IRQ_LOW_VECTOR(vector) | + HT_IRQ_LOW_VECTOR(cfg->vector) | ((INT_DEST_MODE == 0) ? HT_IRQ_LOW_DM_PHYSICAL : HT_IRQ_LOW_DM_LOGICAL) | @@ -2594,7 +2781,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) set_irq_chip_and_handler_name(irq, &ht_irq_chip, handle_edge_irq, "edge"); } - return vector; + return err; } #endif /* CONFIG_HT_IRQ */ @@ -2705,50 +2892,21 @@ int __init io_apic_get_redir_entries(int ioapic) } -int io_apic_set_pci_routing(int ioapic, int pin, int irq, int edge_level, int active_high_low) +int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int polarity) { - struct IO_APIC_route_entry entry; - if (!IO_APIC_IRQ(irq)) { printk(KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", ioapic); return -EINVAL; } - /* - * Generate a PCI IRQ routing entry and program the IOAPIC accordingly. - * Note that we mask (disable) IRQs now -- these get enabled when the - * corresponding device driver registers for this IRQ. - */ - - memset(&entry, 0, sizeof(entry)); - - entry.delivery_mode = INT_DELIVERY_MODE; - entry.dest_mode = INT_DEST_MODE; - entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS); - entry.trigger = edge_level; - entry.polarity = active_high_low; - entry.mask = 1; - /* * IRQs < 16 are already in the irq_2_pin[] map */ if (irq >= 16) add_pin_to_irq(irq, ioapic, pin); - entry.vector = assign_irq_vector(irq); - - apic_printk(APIC_DEBUG, KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry " - "(%d-%d -> 0x%x -> IRQ %d Mode:%i Active:%i)\n", ioapic, - mp_ioapics[ioapic].mp_apicid, pin, entry.vector, irq, - edge_level, active_high_low); - - ioapic_register_intr(irq, entry.vector, edge_level); - - if (!ioapic && (irq < 16)) - disable_8259A_irq(irq); - - ioapic_write_entry(ioapic, pin, entry); + setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity); return 0; } @@ -2774,6 +2932,47 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) #endif /* CONFIG_ACPI */ +/* + * This function currently is only a helper for the i386 smp boot process where + * we need to reprogram the ioredtbls to cater for the cpus which have come online + * so mask in all cases should simply be TARGET_CPUS + */ +#ifdef CONFIG_SMP +void __init setup_ioapic_dest(void) +{ + int pin, ioapic, irq, irq_entry; + struct irq_cfg *cfg; + struct irq_desc *desc; + + if (skip_ioapic_setup == 1) + return; + + for (ioapic = 0; ioapic < nr_ioapics; ioapic++) { + for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) { + irq_entry = find_irq_entry(ioapic, pin, mp_INT); + if (irq_entry == -1) + continue; + irq = pin_2_irq(irq_entry, ioapic, pin); + + /* setup_IO_APIC_irqs could fail to get vector for some device + * when you have too many devices, because at that time only boot + * cpu is online. + */ + cfg = irq_cfg(irq); + if (!cfg->vector) + setup_IO_APIC_irq(ioapic, pin, irq, + irq_trigger(irq_entry), + irq_polarity(irq_entry)); + else { + desc = irq_to_desc(irq); + set_ioapic_affinity_irq(irq, TARGET_CPUS); + } + } + + } +} +#endif + static int __init parse_disable_timer_pin_1(char *arg) { disable_timer_pin_1 = 1; diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 0a57e39159a8..b51ffdcfa31a 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -223,21 +223,25 @@ unsigned int do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs; /* high bit used in ret_from_ code */ - int overflow, irq = ~regs->orig_ax; + int overflow; + unsigned vector = ~regs->orig_ax; struct irq_desc *desc; + unsigned irq; - desc = irq_to_desc(irq); - if (unlikely(!desc)) { - printk(KERN_EMERG "%s: cannot handle IRQ %d\n", - __func__, irq); - BUG(); - } old_regs = set_irq_regs(regs); irq_enter(); + irq = __get_cpu_var(vector_irq)[vector]; overflow = check_stack_overflow(); + desc = irq_to_desc(irq); + if (unlikely(!desc)) { + printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n", + __func__, irq, vector); + BUG(); + } + if (!execute_on_irq_stack(overflow, desc, irq)) { if (unlikely(overflow)) print_stack_overflow(); diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index ded09ac2642e..9092103a18eb 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -90,6 +90,27 @@ static struct irqaction irq2 = { .name = "cascade", }; +DEFINE_PER_CPU(vector_irq_t, vector_irq) = { + [0 ... IRQ0_VECTOR - 1] = -1, + [IRQ0_VECTOR] = 0, + [IRQ1_VECTOR] = 1, + [IRQ2_VECTOR] = 2, + [IRQ3_VECTOR] = 3, + [IRQ4_VECTOR] = 4, + [IRQ5_VECTOR] = 5, + [IRQ6_VECTOR] = 6, + [IRQ7_VECTOR] = 7, + [IRQ8_VECTOR] = 8, + [IRQ9_VECTOR] = 9, + [IRQ10_VECTOR] = 10, + [IRQ11_VECTOR] = 11, + [IRQ12_VECTOR] = 12, + [IRQ13_VECTOR] = 13, + [IRQ14_VECTOR] = 14, + [IRQ15_VECTOR] = 15, + [IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1 +}; + /* Overridden in paravirt.c */ void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ"))); @@ -105,22 +126,14 @@ void __init native_init_IRQ(void) * us. (some of these will be overridden and become * 'special' SMP interrupts) */ - for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) { - int vector = FIRST_EXTERNAL_VECTOR + i; - if (i >= nr_irqs) - break; + for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) { /* SYSCALL_VECTOR was reserved in trap_init. */ - if (!test_bit(vector, used_vectors)) - set_intr_gate(vector, interrupt[i]); + if (i != SYSCALL_VECTOR) + set_intr_gate(i, interrupt[i]); } -#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP) - /* - * IRQ0 must be given a fixed assignment and initialized, - * because it's used before the IO-APIC is set up. - */ - set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]); +#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP) /* * The reschedule interrupt is a CPU-to-CPU reschedule-helper * IPI, driven by wakeup. @@ -135,6 +148,9 @@ void __init native_init_IRQ(void) /* IPI for single call function */ set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt); + + /* Low priority IPI to cleanup after moving an irq */ + set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt); #endif #ifdef CONFIG_X86_LOCAL_APIC @@ -168,3 +184,4 @@ void __init native_init_IRQ(void) irq_ctx_init(smp_processor_id()); } + diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 65f0b8a47bed..48ee4f9435f4 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -582,7 +582,7 @@ static void __init lguest_init_IRQ(void) for (i = 0; i < LGUEST_IRQS; i++) { int vector = FIRST_EXTERNAL_VECTOR + i; if (vector != SYSCALL_VECTOR) { - set_intr_gate(vector, interrupt[i]); + set_intr_gate(vector, interrupt[vector]); set_irq_chip_and_handler_name(i, &lguest_irq_controller, handle_level_irq, "level"); diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c index df37fc9d6a26..3c3b471ea496 100644 --- a/arch/x86/mach-generic/bigsmp.c +++ b/arch/x86/mach-generic/bigsmp.c @@ -41,6 +41,10 @@ static const struct dmi_system_id bigsmp_dmi_table[] = { { } }; +static cpumask_t vector_allocation_domain(int cpu) +{ + return cpumask_of_cpu(cpu); +} static int probe_bigsmp(void) { diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c index 6513d41ea21e..28459cab3ddb 100644 --- a/arch/x86/mach-generic/es7000.c +++ b/arch/x86/mach-generic/es7000.c @@ -75,4 +75,18 @@ static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) } #endif +static cpumask_t vector_allocation_domain(int cpu) +{ + /* Careful. Some cpus do not strictly honor the set of cpus + * specified in the interrupt destination when using lowest + * priority interrupt delivery mode. + * + * In particular there was a hyperthreading cpu observed to + * deliver interrupts to the wrong hyperthread when only one + * hyperthread was specified in the interrupt desitination. + */ + cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} + struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000); diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c index 8cf58394975e..71a309b122e6 100644 --- a/arch/x86/mach-generic/numaq.c +++ b/arch/x86/mach-generic/numaq.c @@ -38,4 +38,18 @@ static int acpi_madt_oem_check(char *oem_id, char *oem_table_id) return 0; } +static cpumask_t vector_allocation_domain(int cpu) +{ + /* Careful. Some cpus do not strictly honor the set of cpus + * specified in the interrupt destination when using lowest + * priority interrupt delivery mode. + * + * In particular there was a hyperthreading cpu observed to + * deliver interrupts to the wrong hyperthread when only one + * hyperthread was specified in the interrupt desitination. + */ + cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} + struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq); diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c index 6ad6b67a723d..6272b5e69da6 100644 --- a/arch/x86/mach-generic/summit.c +++ b/arch/x86/mach-generic/summit.c @@ -23,4 +23,18 @@ static int probe_summit(void) return 0; } +static cpumask_t vector_allocation_domain(int cpu) +{ + /* Careful. Some cpus do not strictly honor the set of cpus + * specified in the interrupt destination when using lowest + * priority interrupt delivery mode. + * + * In particular there was a hyperthreading cpu observed to + * deliver interrupts to the wrong hyperthread when only one + * hyperthread was specified in the interrupt desitination. + */ + cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} + struct genapic apic_summit = APIC_INIT("summit", probe_summit); diff --git a/include/asm-x86/bigsmp/apic.h b/include/asm-x86/bigsmp/apic.h index 0a9cd7c5ca0c..1d9543b9d358 100644 --- a/include/asm-x86/bigsmp/apic.h +++ b/include/asm-x86/bigsmp/apic.h @@ -9,22 +9,17 @@ static inline int apic_id_registered(void) return (1); } -/* Round robin the irqs amoung the online cpus */ static inline cpumask_t target_cpus(void) { - static unsigned long cpu = NR_CPUS; - do { - if (cpu >= NR_CPUS) - cpu = first_cpu(cpu_online_map); - else - cpu = next_cpu(cpu, cpu_online_map); - } while (cpu >= NR_CPUS); - return cpumask_of_cpu(cpu); +#ifdef CONFIG_SMP + return cpu_online_map; +#else + return cpumask_of_cpu(0); +#endif } #undef APIC_DEST_LOGICAL #define APIC_DEST_LOGICAL 0 -#define TARGET_CPUS (target_cpus()) #define APIC_DFR_VALUE (APIC_DFR_FLAT) #define INT_DELIVERY_MODE (dest_Fixed) #define INT_DEST_MODE (0) /* phys delivery to target proc */ diff --git a/include/asm-x86/es7000/apic.h b/include/asm-x86/es7000/apic.h index bd2c44d1f7ac..750afada5fbf 100644 --- a/include/asm-x86/es7000/apic.h +++ b/include/asm-x86/es7000/apic.h @@ -17,7 +17,6 @@ static inline cpumask_t target_cpus(void) return cpumask_of_cpu(smp_processor_id()); #endif } -#define TARGET_CPUS (target_cpus()) #if defined CONFIG_ES7000_CLUSTERED_APIC #define APIC_DFR_VALUE (APIC_DFR_CLUSTER) @@ -81,7 +80,7 @@ static inline void setup_apic_routing(void) int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); printk("Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", (apic_version[apic] == 0x14) ? - "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]); + "Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]); } static inline int multi_timer_check(int apic, int irq) diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h index 34280f027664..6fe4f81bfcf9 100644 --- a/include/asm-x86/genapic_32.h +++ b/include/asm-x86/genapic_32.h @@ -57,6 +57,7 @@ struct genapic { unsigned (*get_apic_id)(unsigned long x); unsigned long apic_id_mask; unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); + cpumask_t (*vector_allocation_domain)(int cpu); #ifdef CONFIG_SMP /* ipi */ @@ -104,6 +105,7 @@ struct genapic { APICFUNC(get_apic_id) \ .apic_id_mask = APIC_ID_MASK, \ APICFUNC(cpu_mask_to_apicid) \ + APICFUNC(vector_allocation_domain) \ APICFUNC(acpi_madt_oem_check) \ IPIFUNC(send_IPI_mask) \ IPIFUNC(send_IPI_allbutself) \ diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 50f6e0316b50..51c787d17cbc 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -116,12 +116,12 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *); #ifdef CONFIG_X86_32 extern void (*const interrupt[NR_IRQS])(void); -#else +#endif + typedef int vector_irq_t[NR_VECTORS]; DECLARE_PER_CPU(vector_irq_t, vector_irq); -#endif -#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_X86_64) +#ifdef CONFIG_X86_IO_APIC extern void lock_vector_lock(void); extern void unlock_vector_lock(void); extern void __setup_vector_irq(int cpu); diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h index cb09802ce651..a8d065d85f57 100644 --- a/include/asm-x86/irq_vectors.h +++ b/include/asm-x86/irq_vectors.h @@ -19,19 +19,14 @@ /* * Reserve the lowest usable priority level 0x20 - 0x2f for triggering - * cleanup after irq migration on 64 bit. + * cleanup after irq migration. */ #define IRQ_MOVE_CLEANUP_VECTOR FIRST_EXTERNAL_VECTOR /* - * Vectors 0x20-0x2f are used for ISA interrupts on 32 bit. - * Vectors 0x30-0x3f are used for ISA interrupts on 64 bit. + * Vectors 0x30-0x3f are used for ISA interrupts. */ -#ifdef CONFIG_X86_32 -#define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR) -#else #define IRQ0_VECTOR (FIRST_EXTERNAL_VECTOR + 0x10) -#endif #define IRQ1_VECTOR (IRQ0_VECTOR + 1) #define IRQ2_VECTOR (IRQ0_VECTOR + 2) #define IRQ3_VECTOR (IRQ0_VECTOR + 3) @@ -96,11 +91,7 @@ * start at 0x31(0x41) to spread out vectors evenly between priority * levels. (0x80 is the syscall vector) */ -#ifdef CONFIG_X86_32 -# define FIRST_DEVICE_VECTOR 0x31 -#else -# define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) -#endif +#define FIRST_DEVICE_VECTOR (IRQ15_VECTOR + 2) #define NR_VECTORS 256 diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h index 9283b60a1dd2..6b1add8e31dd 100644 --- a/include/asm-x86/mach-default/entry_arch.h +++ b/include/asm-x86/mach-default/entry_arch.h @@ -14,6 +14,7 @@ BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR) BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR) BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR) BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR) +BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR) #endif /* diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h index 2a330a41b3dd..3c66f2cdaec1 100644 --- a/include/asm-x86/mach-default/mach_apic.h +++ b/include/asm-x86/mach-default/mach_apic.h @@ -85,6 +85,20 @@ static inline int apicid_to_node(int logical_apicid) return 0; #endif } + +static inline cpumask_t vector_allocation_domain(int cpu) +{ + /* Careful. Some cpus do not strictly honor the set of cpus + * specified in the interrupt destination when using lowest + * priority interrupt delivery mode. + * + * In particular there was a hyperthreading cpu observed to + * deliver interrupts to the wrong hyperthread when only one + * hyperthread was specified in the interrupt desitination. + */ + cpumask_t domain = { { [0] = APIC_ALL_CPUS, } }; + return domain; +} #endif static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) @@ -138,6 +152,5 @@ static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) static inline void enable_apic_mode(void) { } - #endif /* CONFIG_X86_LOCAL_APIC */ #endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */ diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h index 5d010c6881dd..5085b52da301 100644 --- a/include/asm-x86/mach-generic/mach_apic.h +++ b/include/asm-x86/mach-generic/mach_apic.h @@ -24,6 +24,7 @@ #define check_phys_apicid_present (genapic->check_phys_apicid_present) #define check_apicid_used (genapic->check_apicid_used) #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid) +#define vector_allocation_domain (genapic->vector_allocation_domain) #define enable_apic_mode (genapic->enable_apic_mode) #define phys_pkg_id (genapic->phys_pkg_id) diff --git a/include/asm-x86/numaq/apic.h b/include/asm-x86/numaq/apic.h index a8344ba6ea15..0bf2a06b7a4e 100644 --- a/include/asm-x86/numaq/apic.h +++ b/include/asm-x86/numaq/apic.h @@ -12,8 +12,6 @@ static inline cpumask_t target_cpus(void) return CPU_MASK_ALL; } -#define TARGET_CPUS (target_cpus()) - #define NO_BALANCE_IRQ (1) #define esr_disable (1) diff --git a/include/asm-x86/summit/apic.h b/include/asm-x86/summit/apic.h index c5b2e4b10358..0f68037b8f24 100644 --- a/include/asm-x86/summit/apic.h +++ b/include/asm-x86/summit/apic.h @@ -22,7 +22,6 @@ static inline cpumask_t target_cpus(void) */ return cpumask_of_cpu(0); } -#define TARGET_CPUS (target_cpus()) #define INT_DELIVERY_MODE (dest_LowestPrio) #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */ -- GitLab From 7a959cff725872ce9c3a534f10724d7bb2cb3c4a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:32 -0700 Subject: [PATCH 5118/6244] x86: add debug info for 32bit sparse_irq so could figure out bugs where we get an interrupt, but vector_irq is not initialized yet. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 8 ++++++-- arch/x86/kernel/io_apic_64.c | 2 ++ arch/x86/kernel/irq_32.c | 4 ++-- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index ea33d3c74970..3001924bdd36 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1114,8 +1114,12 @@ next: cfg->move_in_progress = 1; cfg->old_domain = cfg->domain; } - for_each_cpu_mask_nr(new_cpu, new_mask) - per_cpu(vector_irq, new_cpu)[vector] = irq; + printk(KERN_DEBUG "assign_irq_vector: irq %d vector %#x cpu ", irq, vector); + for_each_cpu_mask_nr(new_cpu, new_mask) { + per_cpu(vector_irq, new_cpu)[vector] = irq; + printk(KERN_CONT " %d ", new_cpu); + } + printk(KERN_CONT "\n"); cfg->vector = vector; cfg->domain = domain; return 0; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index b0d4abc55a11..30d2e3811313 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1394,6 +1394,8 @@ __apicdebuginit(void) print_IO_APIC(void) printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid); printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw); printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID); + printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type); + printk(KERN_DEBUG "....... : LTS : %X\n", reg_00.bits.LTS); printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)®_01); printk(KERN_DEBUG "....... : max redirection entries: %04X\n", reg_01.bits.entries); diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index b51ffdcfa31a..cc929f2f84f1 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -237,8 +237,8 @@ unsigned int do_IRQ(struct pt_regs *regs) desc = irq_to_desc(irq); if (unlikely(!desc)) { - printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n", - __func__, irq, vector); + printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x cpu %d\n", + __func__, irq, vector, smp_processor_id()); BUG(); } -- GitLab From d83e94acd95789829804fd9e442bd18975f4dc89 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:33 -0700 Subject: [PATCH 5119/6244] x86, io-apic: remove union about dest for log/phy let user decide the meaning of the bits. This unifies the 32-bit and 64-bit io-apic code a bit. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 18 +++++++----------- include/asm-x86/io_apic.h | 16 ---------------- 2 files changed, 7 insertions(+), 27 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 3001924bdd36..353e586822af 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1224,7 +1224,7 @@ static int setup_ioapic_entry(int apic, int irq, entry->delivery_mode = INT_DELIVERY_MODE; entry->dest_mode = INT_DEST_MODE; - entry->dest.logical.logical_dest = destination; + entry->dest = destination; entry->mask = 0; /* enable IRQ */ entry->trigger = trigger; @@ -1336,7 +1336,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, */ entry.dest_mode = INT_DEST_MODE; entry.mask = 1; /* mask IRQ now */ - entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS); + entry.dest = cpu_mask_to_apicid(TARGET_CPUS); entry.delivery_mode = INT_DELIVERY_MODE; entry.polarity = 0; entry.trigger = 0; @@ -1425,19 +1425,15 @@ __apicdebuginit(void) print_IO_APIC(void) printk(KERN_DEBUG ".... IRQ redirection table:\n"); - printk(KERN_DEBUG " NR Log Phy Mask Trig IRR Pol" - " Stat Dest Deli Vect: \n"); + printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol" + " Stat Dmod Deli Vect: \n"); for (i = 0; i <= reg_01.bits.entries; i++) { struct IO_APIC_route_entry entry; entry = ioapic_read_entry(apic, i); - printk(KERN_DEBUG " %02x %03X %02X ", - i, - entry.dest.logical.logical_dest, - entry.dest.physical.physical_dest - ); + printk(KERN_DEBUG " %02x %02X ", i, entry.dest); printk("%1d %1d %1d %1d %1d %1d %1d %02X\n", entry.mask, @@ -1717,7 +1713,7 @@ void disable_IO_APIC(void) entry.dest_mode = 0; /* Physical */ entry.delivery_mode = dest_ExtINT; /* ExtInt */ entry.vector = 0; - entry.dest.physical.physical_dest = read_apic_id(); + entry.dest = read_apic_id(); /* * Add it to the IO-APIC irq-routing table: @@ -2185,7 +2181,7 @@ static inline void __init unlock_ExtINT_logic(void) entry1.dest_mode = 0; /* physical delivery */ entry1.mask = 0; /* unmask IRQ now */ - entry1.dest.physical.physical_dest = hard_smp_processor_id(); + entry1.dest = hard_smp_processor_id(); entry1.delivery_mode = dest_ExtINT; entry1.polarity = entry0.polarity; entry1.trigger = 0; diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 8ec68a50cf10..ce818292d2c7 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -87,24 +87,8 @@ struct IO_APIC_route_entry { mask : 1, /* 0: enabled, 1: disabled */ __reserved_2 : 15; -#ifdef CONFIG_X86_32 - union { - struct { - __u32 __reserved_1 : 24, - physical_dest : 4, - __reserved_2 : 4; - } physical; - - struct { - __u32 __reserved_1 : 24, - logical_dest : 8; - } logical; - } dest; -#else __u32 __reserved_3 : 24, dest : 8; -#endif - } __attribute__ ((packed)); struct IR_IO_APIC_route_entry { -- GitLab From 1d02519242c23450b043e5e8a9e3cb84a8666fe3 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:34 -0700 Subject: [PATCH 5120/6244] x86: ordering functions in io_apic_32.c prepare for unification: try to make functions be of the same order to io_apic_64.c. v2: add calling setup_msi_irq back to arch_setup_msi_irq Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 178 ++++++++++++++++++----------------- 1 file changed, 94 insertions(+), 84 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 353e586822af..9531ef33362b 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1029,23 +1029,6 @@ static int pin_2_irq(int idx, int apic, int pin) return irq; } -static inline int IO_APIC_irq_trigger(int irq) -{ - int apic, idx, pin; - - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic, pin, mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) - return irq_trigger(idx); - } - } - /* - * nonexistent IRQs are edge default - */ - return 0; -} - void lock_vector_lock(void) { /* Used to the online set of cpus does not change @@ -1190,6 +1173,23 @@ static struct irq_chip ioapic_chip; #define IOAPIC_EDGE 0 #define IOAPIC_LEVEL 1 +static inline int IO_APIC_irq_trigger(int irq) +{ + int apic, idx, pin; + + for (apic = 0; apic < nr_ioapics; apic++) { + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + idx = find_irq_entry(apic, pin, mp_INT); + if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) + return irq_trigger(idx); + } + } + /* + * nonexistent IRQs are edge default + */ + return 0; +} + static void ioapic_register_intr(int irq, unsigned long trigger) { struct irq_desc *desc; @@ -1926,55 +1926,6 @@ static unsigned int startup_ioapic_irq(unsigned int irq) return was_pending; } -static void irq_complete_move(unsigned int irq); -static void ack_ioapic_irq(unsigned int irq) -{ - irq_complete_move(irq); - move_native_irq(irq); - ack_APIC_irq(); -} - -static void ack_ioapic_quirk_irq(unsigned int irq) -{ - unsigned long v; - int i; - - irq_complete_move(irq); - move_native_irq(irq); -/* - * It appears there is an erratum which affects at least version 0x11 - * of I/O APIC (that's the 82093AA and cores integrated into various - * chipsets). Under certain conditions a level-triggered interrupt is - * erroneously delivered as edge-triggered one but the respective IRR - * bit gets set nevertheless. As a result the I/O unit expects an EOI - * message but it will never arrive and further interrupts are blocked - * from the source. The exact reason is so far unknown, but the - * phenomenon was observed when two consecutive interrupt requests - * from a given source get delivered to the same CPU and the source is - * temporarily disabled in between. - * - * A workaround is to simulate an EOI message manually. We achieve it - * by setting the trigger mode to edge and then to level when the edge - * trigger mode gets detected in the TMR of a local APIC for a - * level-triggered interrupt. We mask the source for the time of the - * operation to prevent an edge-triggered interrupt escaping meanwhile. - * The idea is from Manfred Spraul. --macro - */ - i = irq_cfg(irq)->vector; - - v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); - - ack_APIC_irq(); - - if (!(v & (1 << (i & 0x1f)))) { - atomic_inc(&irq_mis_count); - spin_lock(&ioapic_lock); - __mask_and_edge_IO_APIC_irq(irq); - __unmask_and_level_IO_APIC_irq(irq); - spin_unlock(&ioapic_lock); - } -} - static int ioapic_retrigger_irq(unsigned int irq) { send_IPI_self(irq_cfg(irq)->vector); @@ -2040,13 +1991,61 @@ static void irq_complete_move(unsigned int irq) static inline void irq_complete_move(unsigned int irq) {} #endif +static void ack_apic_edge(unsigned int irq) +{ + irq_complete_move(irq); + move_native_irq(irq); + ack_APIC_irq(); +} + +static void ack_apic_level(unsigned int irq) +{ + unsigned long v; + int i; + + irq_complete_move(irq); + move_native_irq(irq); +/* + * It appears there is an erratum which affects at least version 0x11 + * of I/O APIC (that's the 82093AA and cores integrated into various + * chipsets). Under certain conditions a level-triggered interrupt is + * erroneously delivered as edge-triggered one but the respective IRR + * bit gets set nevertheless. As a result the I/O unit expects an EOI + * message but it will never arrive and further interrupts are blocked + * from the source. The exact reason is so far unknown, but the + * phenomenon was observed when two consecutive interrupt requests + * from a given source get delivered to the same CPU and the source is + * temporarily disabled in between. + * + * A workaround is to simulate an EOI message manually. We achieve it + * by setting the trigger mode to edge and then to level when the edge + * trigger mode gets detected in the TMR of a local APIC for a + * level-triggered interrupt. We mask the source for the time of the + * operation to prevent an edge-triggered interrupt escaping meanwhile. + * The idea is from Manfred Spraul. --macro + */ + i = irq_cfg(irq)->vector; + + v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); + + ack_APIC_irq(); + + if (!(v & (1 << (i & 0x1f)))) { + atomic_inc(&irq_mis_count); + spin_lock(&ioapic_lock); + __mask_and_edge_IO_APIC_irq(irq); + __unmask_and_level_IO_APIC_irq(irq); + spin_unlock(&ioapic_lock); + } +} + static struct irq_chip ioapic_chip __read_mostly = { .name = "IO-APIC", .startup = startup_ioapic_irq, .mask = mask_IO_APIC_irq, .unmask = unmask_IO_APIC_irq, - .ack = ack_ioapic_irq, - .eoi = ack_ioapic_quirk_irq, + .ack = ack_apic_edge, + .eoi = ack_apic_level, #ifdef CONFIG_SMP .set_affinity = set_ioapic_affinity_irq, #endif @@ -2094,11 +2093,6 @@ static inline void init_IO_APIC_traps(void) * The local APIC irq-chip implementation: */ -static void ack_lapic_irq(unsigned int irq) -{ - ack_APIC_irq(); -} - static void mask_lapic_irq(unsigned int irq) { unsigned long v; @@ -2115,6 +2109,11 @@ static void unmask_lapic_irq(unsigned int irq) apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); } +static void ack_lapic_irq(unsigned int irq) +{ + ack_APIC_irq(); +} + static struct irq_chip lapic_chip __read_mostly = { .name = "local-APIC", .mask = mask_lapic_irq, @@ -2636,13 +2635,31 @@ static struct irq_chip msi_chip = { .name = "PCI-MSI", .unmask = unmask_msi_irq, .mask = mask_msi_irq, - .ack = ack_ioapic_irq, + .ack = ack_apic_edge, #ifdef CONFIG_SMP .set_affinity = set_msi_irq_affinity, #endif .retrigger = ioapic_retrigger_irq, }; + +static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) +{ + int ret; + struct msi_msg msg; + + ret = msi_compose_msg(dev, irq, &msg); + if (ret < 0) + return ret; + + set_irq_msi(irq, desc); + write_msi_msg(irq, &msg); + + set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); + + return 0; +} + static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) { unsigned int irq; @@ -2657,7 +2674,6 @@ static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { - struct msi_msg msg; int irq, ret; unsigned int irq_want; @@ -2669,17 +2685,11 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) if (irq == 0) return -1; - ret = msi_compose_msg(dev, irq, &msg); + ret = setup_msi_irq(dev, desc, irq); if (ret < 0) { destroy_irq(irq); return ret; - } - - set_irq_msi(irq, desc); - write_msi_msg(irq, &msg); - - set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, - "edge"); + } return 0; } @@ -2738,7 +2748,7 @@ static struct irq_chip ht_irq_chip = { .name = "PCI-HT", .mask = mask_ht_irq, .unmask = unmask_ht_irq, - .ack = ack_ioapic_irq, + .ack = ack_apic_edge, #ifdef CONFIG_SMP .set_affinity = set_ht_irq_affinity, #endif -- GitLab From 8ea5371baa82db452a8d93e9977b418d30944e32 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:35 -0700 Subject: [PATCH 5121/6244] x86: ordering functions in io_apic_64.c try to make functions have the same order between 32-bit and 64-bit. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 67 ++++++++++++++++++------------------ 1 file changed, 33 insertions(+), 34 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 30d2e3811313..07e1e45ee026 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -409,40 +409,6 @@ static bool io_apic_level_ack_pending(unsigned int irq) return false; } -/* - * Synchronize the IO-APIC and the CPU by doing - * a dummy read from the IO-APIC - */ -static inline void io_apic_sync(unsigned int apic) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - readl(&io_apic->data); -} - -#define __DO_ACTION(R, ACTION, FINAL) \ - \ -{ \ - int pin; \ - struct irq_cfg *cfg; \ - struct irq_pin_list *entry; \ - \ - cfg = irq_cfg(irq); \ - entry = cfg->irq_2_pin; \ - for (;;) { \ - unsigned int reg; \ - if (!entry) \ - break; \ - pin = entry->pin; \ - reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ - reg ACTION; \ - io_apic_modify(entry->apic, reg); \ - FINAL; \ - if (!entry->next) \ - break; \ - entry = entry->next; \ - } \ -} - union entry_union { struct { u32 w1, w2; }; struct IO_APIC_route_entry entry; @@ -627,6 +593,39 @@ static void __init replace_pin_at_irq(unsigned int irq, add_pin_to_irq(irq, newapic, newpin); } +/* + * Synchronize the IO-APIC and the CPU by doing + * a dummy read from the IO-APIC + */ +static inline void io_apic_sync(unsigned int apic) +{ + struct io_apic __iomem *io_apic = io_apic_base(apic); + readl(&io_apic->data); +} + +#define __DO_ACTION(R, ACTION, FINAL) \ + \ +{ \ + int pin; \ + struct irq_cfg *cfg; \ + struct irq_pin_list *entry; \ + \ + cfg = irq_cfg(irq); \ + entry = cfg->irq_2_pin; \ + for (;;) { \ + unsigned int reg; \ + if (!entry) \ + break; \ + pin = entry->pin; \ + reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ + reg ACTION; \ + io_apic_modify(entry->apic, reg); \ + FINAL; \ + if (!entry->next) \ + break; \ + entry = entry->next; \ + } \ +} #define DO_ACTION(name,R,ACTION, FINAL) \ \ -- GitLab From efa2559f65167989f1893cb065e3126d4f13ba60 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:36 -0700 Subject: [PATCH 5122/6244] x86: order variables in io_apic_xx.c move first_system_vector to apic_64.c. also add #ifdef CONFIG_INTR_REMAP to prepare 32 bit to use same file. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 5 ++ arch/x86/kernel/io_apic_32.c | 79 ++++++++--------- arch/x86/kernel/io_apic_64.c | 160 +++++++++++++++++++---------------- 3 files changed, 127 insertions(+), 117 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 94ddb69ae15e..4d7a188025b3 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -59,6 +60,10 @@ int x2apic_preenabled; int local_apic_timer_c2_ok; EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); +int first_system_vector = 0xfe; + +char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; + /* * Debug level, exported for io_apic.c */ diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 9531ef33362b..3010bdd3352d 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -54,24 +54,22 @@ #define __apicdebuginit(type) static type __init -int (*ioapic_renumber_irq)(int ioapic, int irq); -atomic_t irq_mis_count; - -/* Where if anywhere is the i8259 connect in external int mode */ -static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; - -static DEFINE_SPINLOCK(ioapic_lock); -static DEFINE_SPINLOCK(vector_lock); - -int timer_through_8259 __initdata; - /* * Is the SiS APIC rmw bug present ? * -1 = don't know, 0 = no, 1 = yes */ int sis_apic_bug = -1; +static DEFINE_SPINLOCK(ioapic_lock); +static DEFINE_SPINLOCK(vector_lock); + int first_free_entry; +/* + * Rough estimation of how many shared IRQs there are, can + * be changed anytime. + */ +int pin_map_size; + /* * # of IRQ routing registers */ @@ -93,7 +91,15 @@ int mp_bus_id_to_type[MAX_MP_BUSSES]; DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); -static int disable_timer_pin_1 __initdata; +int skip_ioapic_setup; + +static int __init parse_noapic(char *arg) +{ + /* disable IO-APIC */ + disable_ioapic_setup(); + return 0; +} +early_param("noapic", parse_noapic); struct irq_cfg; struct irq_pin_list; @@ -268,13 +274,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) return cfg; } -static int assign_irq_vector(int irq, cpumask_t mask); -/* - * Rough estimation of how many shared IRQs there are, can - * be changed anytime. - */ -int pin_map_size; - /* * This is performance-critical, we want to do it O(1) * @@ -465,6 +464,9 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) entry = entry->next; } } + +static int assign_irq_vector(int irq, cpumask_t mask); + static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { struct irq_cfg *cfg; @@ -677,7 +679,6 @@ void send_IPI_self(int vector) #define MAX_PIRQS 8 static int pirq_entries [MAX_PIRQS]; static int pirqs_enabled; -int skip_ioapic_setup; static int __init ioapic_pirq_setup(char *str) { @@ -981,6 +982,7 @@ static inline int irq_trigger(int idx) return MPBIOS_trigger(idx); } +int (*ioapic_renumber_irq)(int ioapic, int irq); static int pin_2_irq(int idx, int apic, int pin) { int irq, i; @@ -1621,6 +1623,9 @@ __apicdebuginit(int) print_all_ICs(void) fs_initcall(print_all_ICs); +/* Where if anywhere is the i8259 connect in external int mode */ +static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; + static void __init enable_IO_APIC(void) { union IO_APIC_reg_01 reg_01; @@ -1998,6 +2003,7 @@ static void ack_apic_edge(unsigned int irq) ack_APIC_irq(); } +atomic_t irq_mis_count; static void ack_apic_level(unsigned int irq) { unsigned long v; @@ -2208,6 +2214,17 @@ static inline void __init unlock_ExtINT_logic(void) ioapic_write_entry(apic, pin, entry0); } +static int disable_timer_pin_1 __initdata; + +static int __init parse_disable_timer_pin_1(char *arg) +{ + disable_timer_pin_1 = 1; + return 0; +} +early_param("disable_timer_pin_1", parse_disable_timer_pin_1); + +int timer_through_8259 __initdata; + /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -2983,28 +3000,6 @@ void __init setup_ioapic_dest(void) } #endif -static int __init parse_disable_timer_pin_1(char *arg) -{ - disable_timer_pin_1 = 1; - return 0; -} -early_param("disable_timer_pin_1", parse_disable_timer_pin_1); - -static int __init parse_enable_timer_pin_1(char *arg) -{ - disable_timer_pin_1 = -1; - return 0; -} -early_param("enable_timer_pin_1", parse_enable_timer_pin_1); - -static int __init parse_noapic(char *arg) -{ - /* disable IO-APIC */ - disable_ioapic_setup(); - return 0; -} -early_param("noapic", parse_noapic); - void __init ioapic_init_mappings(void) { unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 07e1e45ee026..847aa7987645 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -57,6 +57,47 @@ #define __apicdebuginit(type) static type __init +int ioapic_force; + +int sis_apic_bug; /* not actually supported, dummy for compile */ + +static DEFINE_SPINLOCK(ioapic_lock); +static DEFINE_SPINLOCK(vector_lock); + +int first_free_entry; +/* + * Rough estimation of how many shared IRQs there are, can + * be changed anytime. + */ +int pin_map_size; + +/* + * # of IRQ routing registers + */ +int nr_ioapic_registers[MAX_IO_APICS]; + +/* I/O APIC entries */ +struct mp_config_ioapic mp_ioapics[MAX_IO_APICS]; +int nr_ioapics; + +/* MP IRQ source entries */ +struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; + +/* # of MP IRQ source entries */ +int mp_irq_entries; + +DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); + +int skip_ioapic_setup; + +static int __init parse_noapic(char *str) +{ + disable_ioapic_setup(); + return 0; +} +early_param("noapic", parse_noapic); + + struct irq_cfg; struct irq_pin_list; struct irq_cfg { @@ -228,53 +269,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) return cfg; } -static int assign_irq_vector(int irq, cpumask_t mask); - -int first_system_vector = 0xfe; - -char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; - -int sis_apic_bug; /* not actually supported, dummy for compile */ - -static int no_timer_check; - -static int disable_timer_pin_1 __initdata; - -int timer_through_8259 __initdata; - -/* Where if anywhere is the i8259 connect in external int mode */ -static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; - -static DEFINE_SPINLOCK(ioapic_lock); -static DEFINE_SPINLOCK(vector_lock); - -/* - * # of IRQ routing registers - */ -int nr_ioapic_registers[MAX_IO_APICS]; - -/* I/O APIC RTE contents at the OS boot up */ -struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; - -/* I/O APIC entries */ -struct mp_config_ioapic mp_ioapics[MAX_IO_APICS]; -int nr_ioapics; - -/* MP IRQ source entries */ -struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; - -/* # of MP IRQ source entries */ -int mp_irq_entries; - -DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); - -/* - * Rough estimation of how many shared IRQs there are, can - * be changed anytime. - */ - -int pin_map_size; - /* * This is performance-critical, we want to do it O(1) * @@ -481,12 +475,16 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) apic = entry->apic; pin = entry->pin; +#ifdef CONFIG_INTR_REMAP /* * With interrupt-remapping, destination information comes * from interrupt-remapping table entry. */ if (!irq_remapped(irq)) io_apic_write(apic, 0x11 + pin*2, dest); +#else + io_apic_write(apic, 0x11 + pin*2, dest); +#endif reg = io_apic_read(apic, 0x10 + pin*2); reg &= ~IO_APIC_REDIR_VECTOR_MASK; reg |= vector; @@ -497,6 +495,8 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) } } +static int assign_irq_vector(int irq, cpumask_t mask); + static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { struct irq_cfg *cfg = irq_cfg(irq); @@ -533,7 +533,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) * shared ISA-space IRQs, so we have to support them. We are super * fast in the common case, and fast for shared ISA-space IRQs. */ -int first_free_entry; static void add_pin_to_irq(unsigned int irq, int apic, int pin) { struct irq_cfg *cfg; @@ -679,6 +678,10 @@ static void clear_IO_APIC (void) clear_IO_APIC_pin(apic, pin); } +#ifdef CONFIG_INTR_REMAP +/* I/O APIC RTE contents at the OS boot up */ +static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; + /* * Saves and masks all the unmasked IO-APIC RTE's */ @@ -741,25 +744,7 @@ void reinit_intr_remapped_IO_APIC(int intr_remapping) */ restore_IO_APIC_setup(); } - -int skip_ioapic_setup; -int ioapic_force; - -static int __init parse_noapic(char *str) -{ - disable_ioapic_setup(); - return 0; -} -early_param("noapic", parse_noapic); - -/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ -static int __init disable_timer_pin_setup(char *arg) -{ - disable_timer_pin_1 = 1; - return 1; -} -__setup("disable_timer_pin_1", disable_timer_pin_setup); - +#endif /* * Find the IRQ entry number of a certain pin. @@ -1327,8 +1312,10 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, { struct IO_APIC_route_entry entry; +#ifdef CONFIG_INTR_REMAP if (intr_remapping_enabled) return; +#endif memset(&entry, 0, sizeof(entry)); @@ -1601,6 +1588,9 @@ __apicdebuginit(int) print_all_ICs(void) fs_initcall(print_all_ICs); +/* Where if anywhere is the i8259 connect in external int mode */ +static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; + void __init enable_IO_APIC(void) { union IO_APIC_reg_01 reg_01; @@ -1695,6 +1685,15 @@ void disable_IO_APIC(void) disconnect_bsp_APIC(ioapic_i8259.pin != -1); } +static int no_timer_check; + +static int __init notimercheck(char *s) +{ + no_timer_check = 1; + return 1; +} +__setup("no_timer_check", notimercheck); + /* * There is a nasty bug in some older SMP boards, their mptable lies * about the timer IRQ. We do the following to work around the situation: @@ -1708,6 +1707,9 @@ static int __init timer_irq_works(void) unsigned long t1 = jiffies; unsigned long flags; + if (no_timer_check) + return 1; + local_save_flags(flags); local_irq_enable(); /* Let ten ticks pass... */ @@ -2239,6 +2241,17 @@ static inline void __init unlock_ExtINT_logic(void) ioapic_write_entry(apic, pin, entry0); } +static int disable_timer_pin_1 __initdata; +/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ +static int __init disable_timer_pin_setup(char *arg) +{ + disable_timer_pin_1 = 1; + return 0; +} +early_param("disable_timer_pin_1", disable_timer_pin_setup); + +int timer_through_8259 __initdata; + /* * This code may look a bit paranoid, but it's supposed to cooperate with * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ @@ -2286,8 +2299,10 @@ static inline void __init check_timer(void) * 8259A. */ if (pin1 == -1) { +#ifdef CONFIG_INTR_REMAP if (intr_remapping_enabled) panic("BIOS bug: timer not connected to IO-APIC"); +#endif pin1 = pin2; apic1 = apic2; no_pin1 = 1; @@ -2305,7 +2320,7 @@ static inline void __init check_timer(void) setup_timer_IRQ0_pin(apic1, pin1, cfg->vector); } unmask_IO_APIC_irq(0); - if (!no_timer_check && timer_irq_works()) { + if (timer_irq_works()) { if (nmi_watchdog == NMI_IO_APIC) { setup_nmi(); enable_8259A_irq(0); @@ -2314,8 +2329,10 @@ static inline void __init check_timer(void) clear_IO_APIC_pin(0, pin1); goto out; } +#ifdef CONFIG_INTR_REMAP if (intr_remapping_enabled) panic("timer doesn't work through Interrupt-remapped IO-APIC"); +#endif clear_IO_APIC_pin(apic1, pin1); if (!no_pin1) apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: " @@ -2391,13 +2408,6 @@ out: local_irq_restore(flags); } -static int __init notimercheck(char *s) -{ - no_timer_check = 1; - return 1; -} -__setup("no_timer_check", notimercheck); - /* * Traditionally ISA IRQ2 is the cascade IRQ, and is not available * to devices. However there may be an I/O APIC pin available for -- GitLab From e955b5398b660a204854bdff059d050b44090879 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Tue, 19 Aug 2008 20:50:37 -0700 Subject: [PATCH 5123/6244] sparseirq: fix lockdep -tip testing found this lockdep splat: [ 0.000000] Initializing CPU#0 [ 0.000000] found new irq_desc for irq 0 [ 0.000000] INFO: trying to register non-static key. [ 0.000000] the code is fine but needs lockdep annotation. [ 0.000000] turning off the locking correctness validator. [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.27-rc3-tip-00191-g98ccb89-dirty #1 [ 0.000000] [] register_lock_class+0x3d2/0x400 [ 0.000000] [] ? mcount_call+0x5/0xa [ 0.000000] [] __lock_acquire+0x22a/0x5d0 [ 0.000000] [] ? mcount_call+0x5/0xa [ 0.000000] [] lock_acquire+0x71/0xa0 [ 0.000000] [] ? set_irq_chip+0x3f/0x90 [ 0.000000] [] _spin_lock_irqsave+0x58/0x90 [ 0.000000] [] ? set_irq_chip+0x3f/0x90 [ 0.000000] [] set_irq_chip+0x3f/0x90 [ 0.000000] [] ? handle_level_irq+0x0/0xe0 [ 0.000000] [] set_irq_chip_and_handler_name+0x1a/0x40 [ 0.000000] [] init_ISA_irqs+0x51/0xa0 [ 0.000000] [] pre_intr_init_hook+0x25/0x30 [ 0.000000] [] native_init_IRQ+0x13/0x370 [ 0.000000] [] ? lock_release+0xcc/0x1d0 [ 0.000000] [] ? mcount_call+0x5/0xa [ 0.000000] [] ? __mutex_unlock_slowpath+0x92/0x110 [ 0.000000] [] ? mutex_unlock+0xd/0x10 [ 0.000000] [] ? cpu_maps_update_done+0x12/0x20 [ 0.000000] [] ? register_cpu_notifier+0x23/0x30 [ 0.000000] [] init_IRQ+0xe/0x10 [ 0.000000] [] start_kernel+0x1c5/0x340 [ 0.000000] [] ? unknown_bootoption+0x0/0x210 [ 0.000000] [] i386_start_kernel+0x6b/0x80 [ 0.000000] ======================= [ 0.000000] found new irq_desc for irq 1 [ 0.000000] found new irq_desc for irq 2 [ 0.000000] found new irq_desc for irq 3 this: static void init_one_irq_desc(struct irq_desc *desc) { memcpy(desc, &irq_desc_init, sizeof(struct irq_desc)); #ifdef CONFIG_TRACE_IRQFLAGS lockdep_set_class(&desc->lock, &irq_desc_lock_class); #endif } should be unconditional. Signed-off-by: Ingo Molnar --- kernel/irq/handle.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 6d174390f3a0..24c83a3cee4d 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -18,13 +18,10 @@ #include "internals.h" -#ifdef CONFIG_TRACE_IRQFLAGS - /* * lockdep: we want to handle all irq_desc locks as a single lock-class: */ static struct lock_class_key irq_desc_lock_class; -#endif /** * handle_bad_irq - handle spurious and unhandled irqs @@ -75,9 +72,7 @@ static struct irq_desc irq_desc_init = { static void init_one_irq_desc(struct irq_desc *desc) { memcpy(desc, &irq_desc_init, sizeof(struct irq_desc)); -#ifdef CONFIG_TRACE_IRQFLAGS lockdep_set_class(&desc->lock, &irq_desc_lock_class); -#endif } extern int after_bootmem; -- GitLab From d4057bdb6a3bb85dd44f9f39f41eac53696fd637 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:38 -0700 Subject: [PATCH 5124/6244] x86: make headers files the same in io_apic_xx.c also make no_timer_check to be global on 64 bit, because vmi_32 is using that. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 15 ++++++++++++--- arch/x86/kernel/io_apic_64.c | 12 +++++++++--- 2 files changed, 21 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 3010bdd3352d..48184e126f2c 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -25,28 +25,37 @@ #include #include #include -#include +#include #include #include #include #include #include -#include #include #include #include #include -#include /* time_after() */ +#include /* time_after() */ +#ifdef CONFIG_ACPI +#include +#endif +#include +#include +#include #include #include #include +#include +#include +#include #include #include #include #include #include #include +#include #include #include diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 847aa7987645..3c66e5a8e899 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -27,12 +27,15 @@ #include #include #include +#include #include +#include #include #include #include -#include -#include +#include +#include +#include /* time_after() */ #ifdef CONFIG_ACPI #include #endif @@ -46,14 +49,17 @@ #include #include #include +#include #include #include #include #include +#include #include #include #include +#include #define __apicdebuginit(type) static type __init @@ -1685,7 +1691,7 @@ void disable_IO_APIC(void) disconnect_bsp_APIC(ioapic_i8259.pin != -1); } -static int no_timer_check; +int no_timer_check __initdata; static int __init notimercheck(char *s) { -- GitLab From f876d213a59c363d2492e399cc6c24edd6f3c368 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:39 -0700 Subject: [PATCH 5125/6244] x86: make 64 handle sis_apic_bug like the 32 bit do we have 64bit system with sis chipset? [ mingo@elte.hu: nope, the problem chipset was 32-bit only. The code symmetry is good nevertheless. ] Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_64.c | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 3c66e5a8e899..915af9b87aa4 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -65,7 +65,11 @@ int ioapic_force; -int sis_apic_bug; /* not actually supported, dummy for compile */ +/* + * Is the SiS APIC rmw bug present ? + * -1 = don't know, 0 = no, 1 = yes + */ +int sis_apic_bug = -1; static DEFINE_SPINLOCK(ioapic_lock); static DEFINE_SPINLOCK(vector_lock); @@ -373,9 +377,11 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i * Re-write a value: to be used for read-modify-write * cycles where the read already set up the index register. */ -static inline void io_apic_modify(unsigned int apic, unsigned int value) +static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) { struct io_apic __iomem *io_apic = io_apic_base(apic); + if (sis_apic_bug) + writel(reg, &io_apic->index); writel(value, &io_apic->data); } @@ -494,7 +500,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) reg = io_apic_read(apic, 0x10 + pin*2); reg &= ~IO_APIC_REDIR_VECTOR_MASK; reg |= vector; - io_apic_modify(apic, reg); + io_apic_modify(apic, 0x10 + pin*2, reg); if (!entry->next) break; entry = entry->next; @@ -624,7 +630,7 @@ static inline void io_apic_sync(unsigned int apic) pin = entry->pin; \ reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ reg ACTION; \ - io_apic_modify(entry->apic, reg); \ + io_apic_modify(entry->apic, 0x10 + R + pin*2, reg); \ FINAL; \ if (!entry->next) \ break; \ @@ -2450,6 +2456,20 @@ void __init setup_IO_APIC(void) check_timer(); } +/* + * Called after all the initialization is done. If we didnt find any + * APIC bugs then we can allow the modify fast path + */ + +static int __init io_apic_bug_finalize(void) +{ + if (sis_apic_bug == -1) + sis_apic_bug = 0; + return 0; +} + +late_initcall(io_apic_bug_finalize); + struct sysfs_ioapic_data { struct sys_device dev; struct IO_APIC_route_entry entry[0]; -- GitLab From aa45f97b1bb40adae1288669e73350907ffae85e Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:40 -0700 Subject: [PATCH 5126/6244] x86: remove ioapic_force no user left. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 1 - arch/x86/kernel/io_apic_64.c | 2 -- include/asm-x86/apic.h | 2 -- 3 files changed, 5 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 4d7a188025b3..cd860856a0b7 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1813,7 +1813,6 @@ static int __init apic_set_verbosity(char *arg) if (!arg) { #ifdef CONFIG_X86_64 skip_ioapic_setup = 0; - ioapic_force = 1; return 0; #endif return -EINVAL; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 915af9b87aa4..b70fd8232185 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -63,8 +63,6 @@ #define __apicdebuginit(type) static type __init -int ioapic_force; - /* * Is the SiS APIC rmw bug present ? * -1 = don't know, 0 = no, 1 = yes diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index d76a0839abe9..2d970f6bc2a1 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -40,8 +40,6 @@ extern void generic_apic_probe(void); extern unsigned int apic_verbosity; extern int local_apic_timer_c2_ok; -extern int ioapic_force; - extern int disable_apic; /* * Basic functions accessing APICs. -- GitLab From 047c8fdb8718890e3340073b178d0859d0c7f91f Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:41 -0700 Subject: [PATCH 5127/6244] x86: make io_apic_64.c and io_apic_32.c the same all the same except INTR_REMAPPING related and ioapic io resource. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 213 ++++++++++- arch/x86/kernel/io_apic_64.c | 663 +++++++++++++++++++++++++++++++++-- 2 files changed, 829 insertions(+), 47 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 48184e126f2c..3ed36041c81e 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -123,7 +123,6 @@ struct irq_cfg { u8 move_in_progress : 1; }; - /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ static struct irq_cfg irq_cfg_legacy[] __initdata = { [0] = { .irq = 0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, @@ -391,6 +390,38 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned writel(value, &io_apic->data); } +#ifdef CONFIG_X86_64 +static bool io_apic_level_ack_pending(unsigned int irq) +{ + struct irq_pin_list *entry; + unsigned long flags; + struct irq_cfg *cfg = irq_cfg(irq); + + spin_lock_irqsave(&ioapic_lock, flags); + entry = cfg->irq_2_pin; + for (;;) { + unsigned int reg; + int pin; + + if (!entry) + break; + pin = entry->pin; + reg = io_apic_read(entry->apic, 0x10 + pin*2); + /* Is the remote IRR bit set? */ + if (reg & IO_APIC_REDIR_REMOTE_IRR) { + spin_unlock_irqrestore(&ioapic_lock, flags); + return true; + } + if (!entry->next) + break; + entry = entry->next; + } + spin_unlock_irqrestore(&ioapic_lock, flags); + + return false; +} +#endif + union entry_union { struct { u32 w1, w2; }; struct IO_APIC_route_entry entry; @@ -483,17 +514,15 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) unsigned int dest; cpumask_t tmp; - cfg = irq_cfg(irq); - cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) return; + cfg = irq_cfg(irq); if (assign_irq_vector(irq, mask)) return; cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); /* * Only the high 8 bits are valid. @@ -572,6 +601,54 @@ static void __init replace_pin_at_irq(unsigned int irq, add_pin_to_irq(irq, newapic, newpin); } +#ifdef CONFIG_X86_64 +/* + * Synchronize the IO-APIC and the CPU by doing + * a dummy read from the IO-APIC + */ +static inline void io_apic_sync(unsigned int apic) +{ + struct io_apic __iomem *io_apic = io_apic_base(apic); + readl(&io_apic->data); +} + +#define __DO_ACTION(R, ACTION, FINAL) \ + \ +{ \ + int pin; \ + struct irq_cfg *cfg; \ + struct irq_pin_list *entry; \ + \ + cfg = irq_cfg(irq); \ + entry = cfg->irq_2_pin; \ + for (;;) { \ + unsigned int reg; \ + if (!entry) \ + break; \ + pin = entry->pin; \ + reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ + reg ACTION; \ + io_apic_modify(entry->apic, 0x10 + R + pin*2, reg); \ + FINAL; \ + if (!entry->next) \ + break; \ + entry = entry->next; \ + } \ +} + +#define DO_ACTION(name,R,ACTION, FINAL) \ + \ + static void name##_IO_APIC_irq (unsigned int irq) \ + __DO_ACTION(R, ACTION, FINAL) + +/* mask = 1 */ +DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic)) + +/* mask = 0 */ +DO_ACTION(__unmask, 0, &= ~IO_APIC_REDIR_MASKED, ) + +#else + static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable) { struct irq_cfg *cfg; @@ -620,6 +697,8 @@ static void __unmask_and_level_IO_APIC_irq(unsigned int irq) IO_APIC_REDIR_MASKED); } +#endif + static void mask_IO_APIC_irq(unsigned int irq) { unsigned long flags; @@ -1055,6 +1134,17 @@ void unlock_vector_lock(void) static int __assign_irq_vector(int irq, cpumask_t mask) { + /* + * NOTE! The local APIC isn't very good at handling + * multiple interrupts at the same interrupt level. + * As the interrupt level is determined by taking the + * vector number and shifting that right by 4, we + * want to spread these out a bit so that they don't + * all fall in the same interrupt level. + * + * Also, we've got to be careful not to trash gate + * 0x80, because int 0x80 is hm, kind of importantish. ;) + */ static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; unsigned int old_vector; int cpu; @@ -1095,9 +1185,13 @@ next: } if (unlikely(current_vector == vector)) continue; - if (vector == SYSCALL_VECTOR) +#ifdef CONFIG_X86_64 + if (vector == IA32_SYSCALL_VECTOR) goto next; - +#else + if (vector == SYSCALL_VECTOR) + goto next; +#endif for_each_cpu_mask_nr(new_cpu, new_mask) if (per_cpu(vector_irq, new_cpu)[vector] != -1) goto next; @@ -1184,6 +1278,7 @@ static struct irq_chip ioapic_chip; #define IOAPIC_EDGE 0 #define IOAPIC_LEVEL 1 +#ifdef CONFIG_X86_32 static inline int IO_APIC_irq_trigger(int irq) { int apic, idx, pin; @@ -1200,6 +1295,12 @@ static inline int IO_APIC_irq_trigger(int irq) */ return 0; } +#else +static inline int IO_APIC_irq_trigger(int irq) +{ + return 1; +} +#endif static void ioapic_register_intr(int irq, unsigned long trigger) { @@ -1212,15 +1313,18 @@ static void ioapic_register_intr(int irq, unsigned long trigger) desc = irq_to_desc_alloc(irq); if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) { + trigger == IOAPIC_LEVEL) desc->status |= IRQ_LEVEL; + else + desc->status &= ~IRQ_LEVEL; + + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || + trigger == IOAPIC_LEVEL) set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_fasteoi_irq, "fasteoi"); - } else { - desc->status &= ~IRQ_LEVEL; + else set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_edge_irq, "edge"); - } } static int setup_ioapic_entry(int apic, int irq, @@ -1662,7 +1766,6 @@ static void __init enable_IO_APIC(void) struct IO_APIC_route_entry entry; entry = ioapic_read_entry(apic, pin); - /* If the interrupt line is enabled and in ExtInt mode * I have found the pin where the i8259 is connected. */ @@ -2012,6 +2115,60 @@ static void ack_apic_edge(unsigned int irq) ack_APIC_irq(); } +#ifdef CONFIG_X86_64 +static void ack_apic_level(unsigned int irq) +{ + int do_unmask_irq = 0; + + irq_complete_move(irq); +#ifdef CONFIG_GENERIC_PENDING_IRQ + /* If we are moving the irq we need to mask it */ + if (unlikely(desc->status & IRQ_MOVE_PENDING)) { + do_unmask_irq = 1; + mask_IO_APIC_irq(irq); + } +#endif + + /* + * We must acknowledge the irq before we move it or the acknowledge will + * not propagate properly. + */ + ack_APIC_irq(); + + /* Now we can move and renable the irq */ + if (unlikely(do_unmask_irq)) { + /* Only migrate the irq if the ack has been received. + * + * On rare occasions the broadcast level triggered ack gets + * delayed going to ioapics, and if we reprogram the + * vector while Remote IRR is still set the irq will never + * fire again. + * + * To prevent this scenario we read the Remote IRR bit + * of the ioapic. This has two effects. + * - On any sane system the read of the ioapic will + * flush writes (and acks) going to the ioapic from + * this cpu. + * - We get to see if the ACK has actually been delivered. + * + * Based on failed experiments of reprogramming the + * ioapic entry from outside of irq context starting + * with masking the ioapic entry and then polling until + * Remote IRR was clear before reprogramming the + * ioapic I don't trust the Remote IRR bit to be + * completey accurate. + * + * However there appears to be no other way to plug + * this race, so if the Remote IRR bit is not + * accurate and is causing problems then it is a hardware bug + * and you can go talk to the chipset vendor about it. + */ + if (!io_apic_level_ack_pending(irq)) + move_masked_irq(irq, desc); + unmask_IO_APIC_irq(irq); + } +} +#else atomic_t irq_mis_count; static void ack_apic_level(unsigned int irq) { @@ -2053,6 +2210,7 @@ static void ack_apic_level(unsigned int irq) spin_unlock(&ioapic_lock); } } +#endif static struct irq_chip ioapic_chip __read_mostly = { .name = "IO-APIC", @@ -2224,7 +2382,7 @@ static inline void __init unlock_ExtINT_logic(void) } static int disable_timer_pin_1 __initdata; - +/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ static int __init parse_disable_timer_pin_1(char *arg) { disable_timer_pin_1 = 1; @@ -2244,9 +2402,9 @@ static inline void __init check_timer(void) { struct irq_cfg *cfg = irq_cfg(0); int apic1, pin1, apic2, pin2; - int no_pin1 = 0; - unsigned int ver; unsigned long flags; + unsigned int ver; + int no_pin1 = 0; local_irq_save(flags); @@ -2550,6 +2708,7 @@ unsigned int create_irq_nr(unsigned int irq_want) cfg_new = irq_cfg(new); if (cfg_new && cfg_new->vector != 0) continue; + /* check if need to create one */ if (!cfg_new) cfg_new = irq_cfg_alloc(new); if (__assign_irq_vector(new, TARGET_CPUS) == 0) @@ -2720,6 +2879,32 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) return 0; } +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + unsigned int irq; + int ret, sub_handle; + struct msi_desc *desc; + unsigned int irq_want; + + irq_want = build_irq_for_pci_dev(dev) + 0x100; + sub_handle = 0; + list_for_each_entry(desc, &dev->msi_list, list) { + irq = create_irq_nr(irq_want--); + if (irq == 0) + return -1; + ret = setup_msi_irq(dev, desc, irq); + if (ret < 0) + goto error; + sub_handle++; + } + return 0; + +error: + destroy_irq(irq); + return ret; +} + + void arch_teardown_msi_irq(unsigned int irq) { destroy_irq(irq); diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index b70fd8232185..940c4167b325 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -94,18 +94,22 @@ struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; /* # of MP IRQ source entries */ int mp_irq_entries; +#if defined (CONFIG_MCA) || defined (CONFIG_EISA) +int mp_bus_id_to_type[MAX_MP_BUSSES]; +#endif + DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); int skip_ioapic_setup; static int __init parse_noapic(char *str) { + /* disable IO-APIC */ disable_ioapic_setup(); return 0; } early_param("noapic", parse_noapic); - struct irq_cfg; struct irq_pin_list; struct irq_cfg { @@ -374,6 +378,8 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i /* * Re-write a value: to be used for read-modify-write * cycles where the read already set up the index register. + * + * Older SiS APIC requires we rewrite the index register */ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) { @@ -383,6 +389,7 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned writel(value, &io_apic->data); } +#ifdef CONFIG_X86_64 static bool io_apic_level_ack_pending(unsigned int irq) { struct irq_pin_list *entry; @@ -412,6 +419,7 @@ static bool io_apic_level_ack_pending(unsigned int irq) return false; } +#endif union entry_union { struct { u32 w1, w2; }; @@ -509,7 +517,7 @@ static int assign_irq_vector(int irq, cpumask_t mask); static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg(irq); + struct irq_cfg *cfg; unsigned long flags; unsigned int dest; cpumask_t tmp; @@ -519,12 +527,12 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) if (cpus_empty(tmp)) return; + cfg = irq_cfg(irq); if (assign_irq_vector(irq, mask)) return; cpus_and(tmp, cfg->domain, mask); dest = cpu_mask_to_apicid(tmp); - /* * Only the high 8 bits are valid. */ @@ -536,7 +544,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) desc->affinity = mask; spin_unlock_irqrestore(&ioapic_lock, flags); } -#endif +#endif /* CONFIG_SMP */ /* * The common case is 1:1 IRQ<->pin mappings. Sometimes there are @@ -602,6 +610,7 @@ static void __init replace_pin_at_irq(unsigned int irq, add_pin_to_irq(irq, newapic, newpin); } +#ifdef CONFIG_X86_64 /* * Synchronize the IO-APIC and the CPU by doing * a dummy read from the IO-APIC @@ -647,6 +656,58 @@ DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic)) /* mask = 0 */ DO_ACTION(__unmask, 0, &= ~IO_APIC_REDIR_MASKED, ) +#else + +static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable) +{ + struct irq_cfg *cfg; + struct irq_pin_list *entry; + unsigned int pin, reg; + + cfg = irq_cfg(irq); + entry = cfg->irq_2_pin; + for (;;) { + if (!entry) + break; + pin = entry->pin; + reg = io_apic_read(entry->apic, 0x10 + pin*2); + reg &= ~disable; + reg |= enable; + io_apic_modify(entry->apic, 0x10 + pin*2, reg); + if (!entry->next) + break; + entry = entry->next; + } +} + +/* mask = 1 */ +static void __mask_IO_APIC_irq(unsigned int irq) +{ + __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0); +} + +/* mask = 0 */ +static void __unmask_IO_APIC_irq(unsigned int irq) +{ + __modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED); +} + +/* mask = 1, trigger = 0 */ +static void __mask_and_edge_IO_APIC_irq(unsigned int irq) +{ + __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, + IO_APIC_REDIR_LEVEL_TRIGGER); +} + +/* mask = 0, trigger = 1 */ +static void __unmask_and_level_IO_APIC_irq(unsigned int irq) +{ + __modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER, + IO_APIC_REDIR_MASKED); +} + +#endif + static void mask_IO_APIC_irq (unsigned int irq) { unsigned long flags; @@ -688,6 +749,64 @@ static void clear_IO_APIC (void) clear_IO_APIC_pin(apic, pin); } +#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32) +void send_IPI_self(int vector) +{ + unsigned int cfg; + + /* + * Wait for idle. + */ + apic_wait_icr_idle(); + cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL; + /* + * Send the IPI. The write to APIC_ICR fires this off. + */ + apic_write(APIC_ICR, cfg); +} +#endif /* !CONFIG_SMP && CONFIG_X86_32*/ + +#ifdef CONFIG_X86_32 +/* + * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to + * specific CPU-side IRQs. + */ + +#define MAX_PIRQS 8 +static int pirq_entries [MAX_PIRQS]; +static int pirqs_enabled; + +static int __init ioapic_pirq_setup(char *str) +{ + int i, max; + int ints[MAX_PIRQS+1]; + + get_options(str, ARRAY_SIZE(ints), ints); + + for (i = 0; i < MAX_PIRQS; i++) + pirq_entries[i] = -1; + + pirqs_enabled = 1; + apic_printk(APIC_VERBOSE, KERN_INFO + "PIRQ redirection, working around broken MP-BIOS.\n"); + max = MAX_PIRQS; + if (ints[0] < MAX_PIRQS) + max = ints[0]; + + for (i = 0; i < max; i++) { + apic_printk(APIC_VERBOSE, KERN_DEBUG + "... PIRQ%d -> IRQ %d\n", i, ints[i+1]); + /* + * PIRQs are mapped upside down, usually. + */ + pirq_entries[MAX_PIRQS-i-1] = ints[i+1]; + } + return 1; +} + +__setup("pirq=", ioapic_pirq_setup); +#endif /* CONFIG_X86_32 */ + #ifdef CONFIG_INTR_REMAP /* I/O APIC RTE contents at the OS boot up */ static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; @@ -861,18 +980,51 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) return best_guess; } +EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); + +#if defined(CONFIG_EISA) || defined(CONFIG_MCA) +/* + * EISA Edge/Level control register, ELCR + */ +static int EISA_ELCR(unsigned int irq) +{ + if (irq < 16) { + unsigned int port = 0x4d0 + (irq >> 3); + return (inb(port) >> (irq & 7)) & 1; + } + apic_printk(APIC_VERBOSE, KERN_INFO + "Broken MPtable reports ISA irq %d\n", irq); + return 0; +} + +#endif + /* ISA interrupts are always polarity zero edge triggered, * when listed as conforming in the MP table. */ #define default_ISA_trigger(idx) (0) #define default_ISA_polarity(idx) (0) +/* EISA interrupts are always polarity zero and can be edge or level + * trigger depending on the ELCR value. If an interrupt is listed as + * EISA conforming in the MP table, that means its trigger type must + * be read in from the ELCR */ + +#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mp_srcbusirq)) +#define default_EISA_polarity(idx) default_ISA_polarity(idx) + /* PCI interrupts are always polarity one level triggered, * when listed as conforming in the MP table. */ #define default_PCI_trigger(idx) (1) #define default_PCI_polarity(idx) (1) +/* MCA interrupts are always polarity zero level triggered, + * when listed as conforming in the MP table. */ + +#define default_MCA_trigger(idx) (1) +#define default_MCA_polarity(idx) default_ISA_polarity(idx) + static int MPBIOS_polarity(int idx) { int bus = mp_irqs[idx].mp_srcbus; @@ -930,6 +1082,36 @@ static int MPBIOS_trigger(int idx) trigger = default_ISA_trigger(idx); else trigger = default_PCI_trigger(idx); +#if defined(CONFIG_EISA) || defined(CONFIG_MCA) + switch (mp_bus_id_to_type[bus]) { + case MP_BUS_ISA: /* ISA pin */ + { + /* set before the switch */ + break; + } + case MP_BUS_EISA: /* EISA pin */ + { + trigger = default_EISA_trigger(idx); + break; + } + case MP_BUS_PCI: /* PCI pin */ + { + /* set before the switch */ + break; + } + case MP_BUS_MCA: /* MCA pin */ + { + trigger = default_MCA_trigger(idx); + break; + } + default: + { + printk(KERN_WARNING "broken BIOS!!\n"); + trigger = 1; + break; + } + } +#endif break; case 1: /* edge */ { @@ -967,6 +1149,7 @@ static inline int irq_trigger(int idx) return MPBIOS_trigger(idx); } +int (*ioapic_renumber_irq)(int ioapic, int irq); static int pin_2_irq(int idx, int apic, int pin) { int irq, i; @@ -988,7 +1171,32 @@ static int pin_2_irq(int idx, int apic, int pin) while (i < apic) irq += nr_ioapic_registers[i++]; irq += pin; + /* + * For MPS mode, so far only needed by ES7000 platform + */ + if (ioapic_renumber_irq) + irq = ioapic_renumber_irq(apic, irq); } + +#ifdef CONFIG_X86_32 + /* + * PCI IRQ command line redirection. Yes, limits are hardcoded. + */ + if ((pin >= 16) && (pin <= 23)) { + if (pirq_entries[pin-16] != -1) { + if (!pirq_entries[pin-16]) { + apic_printk(APIC_VERBOSE, KERN_DEBUG + "disabling PIRQ%d\n", pin-16); + } else { + irq = pirq_entries[pin-16]; + apic_printk(APIC_VERBOSE, KERN_DEBUG + "using PIRQ%d -> IRQ %d\n", + pin-16, irq); + } + } + } +#endif + return irq; } @@ -1058,8 +1266,13 @@ next: } if (unlikely(current_vector == vector)) continue; +#ifdef CONFIG_X86_64 if (vector == IA32_SYSCALL_VECTOR) goto next; +#else + if (vector == SYSCALL_VECTOR) + goto next; +#endif for_each_cpu_mask_nr(new_cpu, new_mask) if (per_cpu(vector_irq, new_cpu)[vector] != -1) goto next; @@ -1140,6 +1353,34 @@ static struct irq_chip ioapic_chip; static struct irq_chip ir_ioapic_chip; #endif +#define IOAPIC_AUTO -1 +#define IOAPIC_EDGE 0 +#define IOAPIC_LEVEL 1 + +#ifdef CONFIG_X86_32 +static inline int IO_APIC_irq_trigger(int irq) +{ + int apic, idx, pin; + + for (apic = 0; apic < nr_ioapics; apic++) { + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + idx = find_irq_entry(apic, pin, mp_INT); + if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) + return irq_trigger(idx); + } + } + /* + * nonexistent IRQs are edge default + */ + return 0; +} +#else +static inline int IO_APIC_irq_trigger(int irq) +{ + return 1; +} +#endif + static void ioapic_register_intr(int irq, unsigned long trigger) { struct irq_desc *desc; @@ -1150,7 +1391,8 @@ static void ioapic_register_intr(int irq, unsigned long trigger) else desc = irq_to_desc_alloc(irq); - if (trigger) + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || + trigger == IOAPIC_LEVEL) desc->status |= IRQ_LEVEL; else desc->status &= ~IRQ_LEVEL; @@ -1168,7 +1410,8 @@ static void ioapic_register_intr(int irq, unsigned long trigger) return; } #endif - if (trigger) + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || + trigger == IOAPIC_LEVEL) set_irq_chip_and_handler_name(irq, &ioapic_chip, handle_fasteoi_irq, "fasteoi"); @@ -1303,6 +1546,10 @@ static void __init setup_IO_APIC_irqs(void) } irq = pin_2_irq(idx, apic, pin); +#ifdef CONFIG_X86_32 + if (multi_timer_check(apic, irq)) + continue; +#endif add_pin_to_irq(irq, apic, pin); setup_IO_APIC_irq(apic, pin, irq, @@ -1360,6 +1607,7 @@ __apicdebuginit(void) print_IO_APIC(void) union IO_APIC_reg_00 reg_00; union IO_APIC_reg_01 reg_01; union IO_APIC_reg_02 reg_02; + union IO_APIC_reg_03 reg_03; unsigned long flags; struct irq_cfg *cfg; @@ -1384,6 +1632,8 @@ __apicdebuginit(void) print_IO_APIC(void) reg_01.raw = io_apic_read(apic, 1); if (reg_01.bits.version >= 0x10) reg_02.raw = io_apic_read(apic, 2); + if (reg_01.bits.version >= 0x20) + reg_03.raw = io_apic_read(apic, 3); spin_unlock_irqrestore(&ioapic_lock, flags); printk("\n"); @@ -1399,11 +1649,27 @@ __apicdebuginit(void) print_IO_APIC(void) printk(KERN_DEBUG "....... : PRQ implemented: %X\n", reg_01.bits.PRQ); printk(KERN_DEBUG "....... : IO APIC version: %04X\n", reg_01.bits.version); - if (reg_01.bits.version >= 0x10) { + /* + * Some Intel chipsets with IO APIC VERSION of 0x1? don't have reg_02, + * but the value of reg_02 is read as the previous read register + * value, so ignore it if reg_02 == reg_01. + */ + if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) { printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw); printk(KERN_DEBUG "....... : arbitration: %02X\n", reg_02.bits.arbitration); } + /* + * Some Intel chipsets with IO APIC VERSION of 0x2? don't have reg_02 + * or reg_03, but the value of reg_0[23] is read as the previous read + * register value, so ignore it if reg_03 == reg_0[12]. + */ + if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw && + reg_03.raw != reg_01.raw) { + printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw); + printk(KERN_DEBUG "....... : Boot DT : %X\n", reg_03.bits.boot_DT); + } + printk(KERN_DEBUG ".... IRQ redirection table:\n"); printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol" @@ -1475,7 +1741,7 @@ __apicdebuginit(void) print_APIC_bitfield(int base) __apicdebuginit(void) print_local_APIC(void *dummy) { unsigned int v, ver, maxlvt; - unsigned long icr; + u64 icr; if (apic_verbosity == APIC_QUIET) return; @@ -1492,11 +1758,13 @@ __apicdebuginit(void) print_local_APIC(void *dummy) v = apic_read(APIC_TASKPRI); printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK); - v = apic_read(APIC_ARBPRI); - printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, - v & APIC_ARBPRI_MASK); - v = apic_read(APIC_PROCPRI); - printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v); + if (APIC_INTEGRATED(ver)) { /* !82489DX */ + v = apic_read(APIC_ARBPRI); + printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, + v & APIC_ARBPRI_MASK); + v = apic_read(APIC_PROCPRI); + printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v); + } v = apic_read(APIC_EOI); printk(KERN_DEBUG "... APIC EOI: %08x\n", v); @@ -1516,8 +1784,13 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC IRR field:\n"); print_APIC_bitfield(APIC_IRR); - v = apic_read(APIC_ESR); - printk(KERN_DEBUG "... APIC ESR: %08x\n", v); + if (APIC_INTEGRATED(ver)) { /* !82489DX */ + if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ + apic_write(APIC_ESR, 0); + + v = apic_read(APIC_ESR); + printk(KERN_DEBUG "... APIC ESR: %08x\n", v); + } icr = apic_icr_read(); printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr); @@ -1608,6 +1881,13 @@ void __init enable_IO_APIC(void) int apic; unsigned long flags; +#ifdef CONFIG_X86_32 + int i; + if (!pirqs_enabled) + for (i = 0; i < MAX_PIRQS; i++) + pirq_entries[i] = -1; +#endif + /* * The number of IO-APIC IRQ registers (== #pins): */ @@ -1636,6 +1916,10 @@ void __init enable_IO_APIC(void) } found_i8259: /* Look to see what if the MP table has reported the ExtINT */ + /* If we could not find the appropriate pin by looking at the ioapic + * the i8259 probably is not connected the ioapic but give the + * mptable a chance anyway. + */ i8259_pin = find_isa_irq_pin(0, mp_ExtINT); i8259_apic = find_isa_irq_apic(0, mp_ExtINT); /* Trust the MP table if nothing is setup in the hardware */ @@ -1695,6 +1979,122 @@ void disable_IO_APIC(void) disconnect_bsp_APIC(ioapic_i8259.pin != -1); } +#ifdef CONFIG_X86_32 +/* + * function to set the IO-APIC physical IDs based on the + * values stored in the MPC table. + * + * by Matt Domsch Tue Dec 21 12:25:05 CST 1999 + */ + +static void __init setup_ioapic_ids_from_mpc(void) +{ + union IO_APIC_reg_00 reg_00; + physid_mask_t phys_id_present_map; + int apic; + int i; + unsigned char old_id; + unsigned long flags; + + if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids()) + return; + + /* + * Don't check I/O APIC IDs for xAPIC systems. They have + * no meaning without the serial APIC bus. + */ + if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) + || APIC_XAPIC(apic_version[boot_cpu_physical_apicid])) + return; + /* + * This is broken; anything with a real cpu count has to + * circumvent this idiocy regardless. + */ + phys_id_present_map = ioapic_phys_id_map(phys_cpu_present_map); + + /* + * Set the IOAPIC ID to the value stored in the MPC table. + */ + for (apic = 0; apic < nr_ioapics; apic++) { + + /* Read the register 0 value */ + spin_lock_irqsave(&ioapic_lock, flags); + reg_00.raw = io_apic_read(apic, 0); + spin_unlock_irqrestore(&ioapic_lock, flags); + + old_id = mp_ioapics[apic].mp_apicid; + + if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) { + printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n", + apic, mp_ioapics[apic].mp_apicid); + printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n", + reg_00.bits.ID); + mp_ioapics[apic].mp_apicid = reg_00.bits.ID; + } + + /* + * Sanity check, is the ID really free? Every APIC in a + * system must have a unique ID or we get lots of nice + * 'stuck on smp_invalidate_needed IPI wait' messages. + */ + if (check_apicid_used(phys_id_present_map, + mp_ioapics[apic].mp_apicid)) { + printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n", + apic, mp_ioapics[apic].mp_apicid); + for (i = 0; i < get_physical_broadcast(); i++) + if (!physid_isset(i, phys_id_present_map)) + break; + if (i >= get_physical_broadcast()) + panic("Max APIC ID exceeded!\n"); + printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n", + i); + physid_set(i, phys_id_present_map); + mp_ioapics[apic].mp_apicid = i; + } else { + physid_mask_t tmp; + tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid); + apic_printk(APIC_VERBOSE, "Setting %d in the " + "phys_id_present_map\n", + mp_ioapics[apic].mp_apicid); + physids_or(phys_id_present_map, phys_id_present_map, tmp); + } + + + /* + * We need to adjust the IRQ routing table + * if the ID changed. + */ + if (old_id != mp_ioapics[apic].mp_apicid) + for (i = 0; i < mp_irq_entries; i++) + if (mp_irqs[i].mp_dstapic == old_id) + mp_irqs[i].mp_dstapic + = mp_ioapics[apic].mp_apicid; + + /* + * Read the right value from the MPC table and + * write it into the ID register. + */ + apic_printk(APIC_VERBOSE, KERN_INFO + "...changing IO-APIC physical APIC ID to %d ...", + mp_ioapics[apic].mp_apicid); + + reg_00.bits.ID = mp_ioapics[apic].mp_apicid; + spin_lock_irqsave(&ioapic_lock, flags); + + /* + * Sanity check + */ + spin_lock_irqsave(&ioapic_lock, flags); + reg_00.raw = io_apic_read(apic, 0); + spin_unlock_irqrestore(&ioapic_lock, flags); + if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid) + printk("could not set ID!\n"); + else + apic_printk(APIC_VERBOSE, " ok.\n"); + } +} +#endif + int no_timer_check __initdata; static int __init notimercheck(char *s) @@ -1780,8 +2180,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq) return was_pending; } +#ifdef CONFIG_X86_64 static int ioapic_retrigger_irq(unsigned int irq) { + struct irq_cfg *cfg = irq_cfg(irq); unsigned long flags; @@ -1791,6 +2193,14 @@ static int ioapic_retrigger_irq(unsigned int irq) return 1; } +#else +static int ioapic_retrigger_irq(unsigned int irq) +{ + send_IPI_self(irq_cfg(irq)->vector); + + return 1; +} +#endif /* * Level and edge triggered IO-APIC interrupts need different handling, @@ -1952,7 +2362,9 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void) { unsigned vector, me; ack_APIC_irq(); +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); me = smp_processor_id(); @@ -2024,6 +2436,7 @@ static void ack_apic_edge(unsigned int irq) ack_APIC_irq(); } +#ifdef CONFIG_X86_64 static void ack_apic_level(unsigned int irq) { int do_unmask_irq = 0; @@ -2076,6 +2489,49 @@ static void ack_apic_level(unsigned int irq) unmask_IO_APIC_irq(irq); } } +#else +atomic_t irq_mis_count; +static void ack_apic_level(unsigned int irq) +{ + unsigned long v; + int i; + + irq_complete_move(irq); + move_native_irq(irq); + /* + * It appears there is an erratum which affects at least version 0x11 + * of I/O APIC (that's the 82093AA and cores integrated into various + * chipsets). Under certain conditions a level-triggered interrupt is + * erroneously delivered as edge-triggered one but the respective IRR + * bit gets set nevertheless. As a result the I/O unit expects an EOI + * message but it will never arrive and further interrupts are blocked + * from the source. The exact reason is so far unknown, but the + * phenomenon was observed when two consecutive interrupt requests + * from a given source get delivered to the same CPU and the source is + * temporarily disabled in between. + * + * A workaround is to simulate an EOI message manually. We achieve it + * by setting the trigger mode to edge and then to level when the edge + * trigger mode gets detected in the TMR of a local APIC for a + * level-triggered interrupt. We mask the source for the time of the + * operation to prevent an edge-triggered interrupt escaping meanwhile. + * The idea is from Manfred Spraul. --macro + */ + i = irq_cfg(irq)->vector; + + v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); + + ack_APIC_irq(); + + if (!(v & (1 << (i & 0x1f)))) { + atomic_inc(&irq_mis_count); + spin_lock(&ioapic_lock); + __mask_and_edge_IO_APIC_irq(irq); + __unmask_and_level_IO_APIC_irq(irq); + spin_unlock(&ioapic_lock); + } +} +#endif static struct irq_chip ioapic_chip __read_mostly = { .name = "IO-APIC", @@ -2141,20 +2597,24 @@ static inline void init_IO_APIC_traps(void) } } -static void unmask_lapic_irq(unsigned int irq) +/* + * The local APIC irq-chip implementation: + */ + +static void mask_lapic_irq(unsigned int irq) { unsigned long v; v = apic_read(APIC_LVT0); - apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); + apic_write(APIC_LVT0, v | APIC_LVT_MASKED); } -static void mask_lapic_irq(unsigned int irq) +static void unmask_lapic_irq(unsigned int irq) { unsigned long v; v = apic_read(APIC_LVT0); - apic_write(APIC_LVT0, v | APIC_LVT_MASKED); + apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); } static void ack_lapic_irq (unsigned int irq) @@ -2182,19 +2642,19 @@ static void lapic_register_intr(int irq) static void __init setup_nmi(void) { /* - * Dirty trick to enable the NMI watchdog ... + * Dirty trick to enable the NMI watchdog ... * We put the 8259A master into AEOI mode and * unmask on all local APICs LVT0 as NMI. * * The idea to use the 8259A in AEOI mode ('8259A Virtual Wire') * is from Maciej W. Rozycki - so we do not have to EOI from * the NMI handler or the timer interrupt. - */ - printk(KERN_INFO "activating NMI Watchdog ..."); + */ + apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ..."); enable_NMI_through_LVT0(); - printk(" done.\n"); + apic_printk(APIC_VERBOSE, " done.\n"); } /* @@ -2211,12 +2671,17 @@ static inline void __init unlock_ExtINT_logic(void) unsigned char save_control, save_freq_select; pin = find_isa_irq_pin(8, mp_INT); + if (pin == -1) { + WARN_ON_ONCE(1); + return; + } apic = find_isa_irq_apic(8, mp_INT); - if (pin == -1) + if (apic == -1) { + WARN_ON_ONCE(1); return; + } entry0 = ioapic_read_entry(apic, pin); - clear_IO_APIC_pin(apic, pin); memset(&entry1, 0, sizeof(entry1)); @@ -2268,17 +2733,21 @@ int timer_through_8259 __initdata; * is so screwy. Thanks to Brian Perkins for testing/hacking this beast * fanatically on his truly buggy board. * - * FIXME: really need to revamp this for modern platforms only. + * FIXME: really need to revamp this for all platforms. */ static inline void __init check_timer(void) { struct irq_cfg *cfg = irq_cfg(0); int apic1, pin1, apic2, pin2; unsigned long flags; + unsigned int ver; int no_pin1 = 0; local_irq_save(flags); + ver = apic_read(APIC_LVR); + ver = GET_APIC_VERSION(ver); + /* * get/set the timer IRQ vector: */ @@ -2287,10 +2756,18 @@ static inline void __init check_timer(void) /* * As IRQ0 is to be enabled in the 8259A, the virtual - * wire has to be disabled in the local APIC. + * wire has to be disabled in the local APIC. Also + * timer interrupts need to be acknowledged manually in + * the 8259A for the i82489DX when using the NMI + * watchdog as that APIC treats NMIs as level-triggered. + * The AEOI mode will finish them in the 8259A + * automatically. */ apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); +#ifdef CONFIG_X86_32 + timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); +#endif pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); @@ -2382,6 +2859,9 @@ static inline void __init check_timer(void) "through the IO-APIC - disabling NMI Watchdog!\n"); nmi_watchdog = NMI_NONE; } +#ifdef CONFIG_X86_32 + timer_ack = 0; +#endif apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...\n"); @@ -2435,19 +2915,29 @@ out: * the I/O APIC in all cases now. No actual device should request * it anyway. --macro */ -#define PIC_IRQS (1<<2) +#define PIC_IRQS (1 << PIC_CASCADE_IR) void __init setup_IO_APIC(void) { +#ifdef CONFIG_X86_32 + enable_IO_APIC(); +#else /* * calling enable_IO_APIC() is moved to setup_local_APIC for BP */ +#endif io_apic_irqs = ~PIC_IRQS; apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n"); - + /* + * Set up IO-APIC IRQ routing. + */ +#ifdef CONFIG_X86_32 + if (!acpi_ioapic) + setup_ioapic_ids_from_mpc(); +#endif sync_Arb_IDs(); setup_IO_APIC_irqs(); init_IO_APIC_traps(); @@ -3128,7 +3618,93 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) #ifdef CONFIG_ACPI -#define IO_APIC_MAX_ID 0xFE +#ifdef CONFIG_X86_32 +int __init io_apic_get_unique_id(int ioapic, int apic_id) +{ + union IO_APIC_reg_00 reg_00; + static physid_mask_t apic_id_map = PHYSID_MASK_NONE; + physid_mask_t tmp; + unsigned long flags; + int i = 0; + + /* + * The P4 platform supports up to 256 APIC IDs on two separate APIC + * buses (one for LAPICs, one for IOAPICs), where predecessors only + * supports up to 16 on one shared APIC bus. + * + * TBD: Expand LAPIC/IOAPIC support on P4-class systems to take full + * advantage of new APIC bus architecture. + */ + + if (physids_empty(apic_id_map)) + apic_id_map = ioapic_phys_id_map(phys_cpu_present_map); + + spin_lock_irqsave(&ioapic_lock, flags); + reg_00.raw = io_apic_read(ioapic, 0); + spin_unlock_irqrestore(&ioapic_lock, flags); + + if (apic_id >= get_physical_broadcast()) { + printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying " + "%d\n", ioapic, apic_id, reg_00.bits.ID); + apic_id = reg_00.bits.ID; + } + + /* + * Every APIC in a system must have a unique ID or we get lots of nice + * 'stuck on smp_invalidate_needed IPI wait' messages. + */ + if (check_apicid_used(apic_id_map, apic_id)) { + + for (i = 0; i < get_physical_broadcast(); i++) { + if (!check_apicid_used(apic_id_map, i)) + break; + } + + if (i == get_physical_broadcast()) + panic("Max apic_id exceeded!\n"); + + printk(KERN_WARNING "IOAPIC[%d]: apic_id %d already used, " + "trying %d\n", ioapic, apic_id, i); + + apic_id = i; + } + + tmp = apicid_to_cpu_present(apic_id); + physids_or(apic_id_map, apic_id_map, tmp); + + if (reg_00.bits.ID != apic_id) { + reg_00.bits.ID = apic_id; + + spin_lock_irqsave(&ioapic_lock, flags); + io_apic_write(ioapic, 0, reg_00.raw); + reg_00.raw = io_apic_read(ioapic, 0); + spin_unlock_irqrestore(&ioapic_lock, flags); + + /* Sanity check */ + if (reg_00.bits.ID != apic_id) { + printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic); + return -1; + } + } + + apic_printk(APIC_VERBOSE, KERN_INFO + "IOAPIC[%d]: Assigned apic_id %d\n", ioapic, apic_id); + + return apic_id; +} + +int __init io_apic_get_version(int ioapic) +{ + union IO_APIC_reg_01 reg_01; + unsigned long flags; + + spin_lock_irqsave(&ioapic_lock, flags); + reg_01.raw = io_apic_read(ioapic, 1); + spin_unlock_irqrestore(&ioapic_lock, flags); + + return reg_01.bits.version; +} +#endif int __init io_apic_get_redir_entries (int ioapic) { @@ -3226,6 +3802,7 @@ void __init setup_ioapic_dest(void) } #endif +#ifdef CONFIG_X86_64 #define IOAPIC_RESOURCE_NAME_SIZE 11 static struct resource *ioapic_resources; @@ -3261,36 +3838,56 @@ static struct resource * __init ioapic_setup_resources(void) return res; } +#endif void __init ioapic_init_mappings(void) { unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; - struct resource *ioapic_res; int i; +#ifdef CONFIG_X86_64 + struct resource *ioapic_res; ioapic_res = ioapic_setup_resources(); +#endif for (i = 0; i < nr_ioapics; i++) { if (smp_found_config) { ioapic_phys = mp_ioapics[i].mp_apicaddr; +#ifdef CONFIG_X86_32 + if (!ioapic_phys) { + printk(KERN_ERR + "WARNING: bogus zero IO-APIC " + "address found in MPTABLE, " + "disabling IO/APIC support!\n"); + smp_found_config = 0; + skip_ioapic_setup = 1; + goto fake_ioapic_page; + } +#endif } else { +#ifdef CONFIG_X86_32 +fake_ioapic_page: +#endif ioapic_phys = (unsigned long) alloc_bootmem_pages(PAGE_SIZE); ioapic_phys = __pa(ioapic_phys); } set_fixmap_nocache(idx, ioapic_phys); apic_printk(APIC_VERBOSE, - "mapped IOAPIC to %016lx (%016lx)\n", + "mapped IOAPIC to %08lx (%08lx)\n", __fix_to_virt(idx), ioapic_phys); idx++; +#ifdef CONFIG_X86_64 if (ioapic_res != NULL) { ioapic_res->start = ioapic_phys; ioapic_res->end = ioapic_phys + (4 * 1024) - 1; ioapic_res++; } +#endif } } +#ifdef CONFIG_X86_64 static int __init ioapic_insert_resources(void) { int i; @@ -3313,4 +3910,4 @@ static int __init ioapic_insert_resources(void) /* Insert the IO APIC resources after PCI initialization has occured to handle * IO APICS that are mapped in on a BAR in PCI space. */ late_initcall(ioapic_insert_resources); - +#endif -- GitLab From 54168ed7f2a4f3fc2780e645124ae952598da601 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 20 Aug 2008 09:07:45 +0200 Subject: [PATCH 5128/6244] x86: make io_apic_32.c the same as io_apic_64.c Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic_32.c | 1521 ++++++++++++++++++++++++---------- 1 file changed, 1104 insertions(+), 417 deletions(-) diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 3ed36041c81e..fba6d6ee3480 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -35,7 +35,7 @@ #include #include #include -#include /* time_after() */ +#include /* time_after() */ #ifdef CONFIG_ACPI #include #endif @@ -64,8 +64,8 @@ #define __apicdebuginit(type) static type __init /* - * Is the SiS APIC rmw bug present ? - * -1 = don't know, 0 = no, 1 = yes + * Is the SiS APIC rmw bug present ? + * -1 = don't know, 0 = no, 1 = yes */ int sis_apic_bug = -1; @@ -102,7 +102,7 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); int skip_ioapic_setup; -static int __init parse_noapic(char *arg) +static int __init parse_noapic(char *str) { /* disable IO-APIC */ disable_ioapic_setup(); @@ -188,7 +188,7 @@ static void __init init_work(void *data) irq_cfgx[legacy_count - 1].next = NULL; } -#define for_each_irq_cfg(cfg) \ +#define for_each_irq_cfg(cfg) \ for (cfg = irq_cfgx; cfg; cfg = cfg->next) DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); @@ -262,7 +262,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) irq_cfgx = cfg; cfg->irq = irq; printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); - #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG { /* dump the results */ @@ -384,9 +383,9 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i */ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) { - volatile struct io_apic __iomem *io_apic = io_apic_base(apic); - if (sis_apic_bug) - writel(reg, &io_apic->index); + struct io_apic __iomem *io_apic = io_apic_base(apic); + if (sis_apic_bug) + writel(reg, &io_apic->index); writel(value, &io_apic->data); } @@ -494,11 +493,20 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) apic = entry->apic; pin = entry->pin; +#ifdef CONFIG_INTR_REMAP + /* + * With interrupt-remapping, destination information comes + * from interrupt-remapping table entry. + */ + if (!irq_remapped(irq)) + io_apic_write(apic, 0x11 + pin*2, dest); +#else io_apic_write(apic, 0x11 + pin*2, dest); +#endif reg = io_apic_read(apic, 0x10 + pin*2); reg &= ~IO_APIC_REDIR_VECTOR_MASK; reg |= vector; - io_apic_modify(apic, 0x10 + pin *2, reg); + io_apic_modify(apic, 0x10 + pin*2, reg); if (!entry->next) break; entry = entry->next; @@ -513,6 +521,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) unsigned long flags; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -529,12 +538,12 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) */ dest = SET_APIC_LOGICAL_ID(dest); + desc = irq_to_desc(irq); spin_lock_irqsave(&ioapic_lock, flags); __target_IO_APIC_irq(irq, dest, cfg->vector); - irq_to_desc(irq)->affinity = mask; + desc->affinity = mask; spin_unlock_irqrestore(&ioapic_lock, flags); } - #endif /* CONFIG_SMP */ /* @@ -699,7 +708,7 @@ static void __unmask_and_level_IO_APIC_irq(unsigned int irq) #endif -static void mask_IO_APIC_irq(unsigned int irq) +static void mask_IO_APIC_irq (unsigned int irq) { unsigned long flags; @@ -708,7 +717,7 @@ static void mask_IO_APIC_irq(unsigned int irq) spin_unlock_irqrestore(&ioapic_lock, flags); } -static void unmask_IO_APIC_irq(unsigned int irq) +static void unmask_IO_APIC_irq (unsigned int irq) { unsigned long flags; @@ -725,14 +734,13 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin) entry = ioapic_read_entry(apic, pin); if (entry.delivery_mode == dest_SMI) return; - /* * Disable it in the IO-APIC irq-routing table: */ ioapic_mask_entry(apic, pin); } -static void clear_IO_APIC(void) +static void clear_IO_APIC (void) { int apic, pin; @@ -741,7 +749,7 @@ static void clear_IO_APIC(void) clear_IO_APIC_pin(apic, pin); } -#ifndef CONFIG_SMP +#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32) void send_IPI_self(int vector) { unsigned int cfg; @@ -756,9 +764,9 @@ void send_IPI_self(int vector) */ apic_write(APIC_ICR, cfg); } -#endif /* !CONFIG_SMP */ - +#endif /* !CONFIG_SMP && CONFIG_X86_32*/ +#ifdef CONFIG_X86_32 /* * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to * specific CPU-side IRQs. @@ -797,6 +805,75 @@ static int __init ioapic_pirq_setup(char *str) } __setup("pirq=", ioapic_pirq_setup); +#endif /* CONFIG_X86_32 */ + +#ifdef CONFIG_INTR_REMAP +/* I/O APIC RTE contents at the OS boot up */ +static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; + +/* + * Saves and masks all the unmasked IO-APIC RTE's + */ +int save_mask_IO_APIC_setup(void) +{ + union IO_APIC_reg_01 reg_01; + unsigned long flags; + int apic, pin; + + /* + * The number of IO-APIC IRQ registers (== #pins): + */ + for (apic = 0; apic < nr_ioapics; apic++) { + spin_lock_irqsave(&ioapic_lock, flags); + reg_01.raw = io_apic_read(apic, 1); + spin_unlock_irqrestore(&ioapic_lock, flags); + nr_ioapic_registers[apic] = reg_01.bits.entries+1; + } + + for (apic = 0; apic < nr_ioapics; apic++) { + early_ioapic_entries[apic] = + kzalloc(sizeof(struct IO_APIC_route_entry) * + nr_ioapic_registers[apic], GFP_KERNEL); + if (!early_ioapic_entries[apic]) + return -ENOMEM; + } + + for (apic = 0; apic < nr_ioapics; apic++) + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + struct IO_APIC_route_entry entry; + + entry = early_ioapic_entries[apic][pin] = + ioapic_read_entry(apic, pin); + if (!entry.mask) { + entry.mask = 1; + ioapic_write_entry(apic, pin, entry); + } + } + return 0; +} + +void restore_IO_APIC_setup(void) +{ + int apic, pin; + + for (apic = 0; apic < nr_ioapics; apic++) + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) + ioapic_write_entry(apic, pin, + early_ioapic_entries[apic][pin]); +} + +void reinit_intr_remapped_IO_APIC(int intr_remapping) +{ + /* + * for now plain restore of previous settings. + * TBD: In the case of OS enabling interrupt-remapping, + * IO-APIC RTE's need to be setup to point to interrupt-remapping + * table entries. for now, do a plain restore, and wait for + * the setup_IO_APIC_irqs() to do proper initialization. + */ + restore_IO_APIC_setup(); +} +#endif /* * Find the IRQ entry number of a certain pin. @@ -848,7 +925,7 @@ static int __init find_isa_irq_apic(int irq, int type) } if (i < mp_irq_entries) { int apic; - for (apic = 0; apic < nr_ioapics; apic++) { + for(apic = 0; apic < nr_ioapics; apic++) { if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic) return apic; } @@ -867,10 +944,10 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) { int apic, i, best_guess = -1; - apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, " - "slot:%d, pin:%d.\n", bus, slot, pin); + apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n", + bus, slot, pin); if (test_bit(bus, mp_bus_not_pci)) { - printk(KERN_WARNING "PCI BIOS passed nonexistent PCI bus %d!\n", bus); + apic_printk(APIC_VERBOSE, "PCI BIOS passed nonexistent PCI bus %d!\n", bus); return -1; } for (i = 0; i < mp_irq_entries; i++) { @@ -885,7 +962,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) !mp_irqs[i].mp_irqtype && (bus == lbus) && (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) { - int irq = pin_2_irq(i, apic, mp_irqs[i].mp_dstirq); + int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq); if (!(apic || IO_APIC_IRQ(irq))) continue; @@ -902,6 +979,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) } return best_guess; } + EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); #if defined(CONFIG_EISA) || defined(CONFIG_MCA) @@ -918,6 +996,7 @@ static int EISA_ELCR(unsigned int irq) "Broken MPtable reports ISA irq %d\n", irq); return 0; } + #endif /* ISA interrupts are always polarity zero edge triggered, @@ -954,36 +1033,36 @@ static int MPBIOS_polarity(int idx) /* * Determine IRQ line polarity (high active or low active): */ - switch (mp_irqs[idx].mp_irqflag & 3) { - case 0: /* conforms, ie. bus-type dependent polarity */ - { - polarity = test_bit(bus, mp_bus_not_pci)? - default_ISA_polarity(idx): - default_PCI_polarity(idx); - break; - } - case 1: /* high active */ - { - polarity = 0; - break; - } - case 2: /* reserved */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - polarity = 1; - break; - } - case 3: /* low active */ - { - polarity = 1; - break; - } - default: /* invalid */ + switch (mp_irqs[idx].mp_irqflag & 3) { - printk(KERN_WARNING "broken BIOS!!\n"); - polarity = 1; - break; - } + case 0: /* conforms, ie. bus-type dependent polarity */ + if (test_bit(bus, mp_bus_not_pci)) + polarity = default_ISA_polarity(idx); + else + polarity = default_PCI_polarity(idx); + break; + case 1: /* high active */ + { + polarity = 0; + break; + } + case 2: /* reserved */ + { + printk(KERN_WARNING "broken BIOS!!\n"); + polarity = 1; + break; + } + case 3: /* low active */ + { + polarity = 1; + break; + } + default: /* invalid */ + { + printk(KERN_WARNING "broken BIOS!!\n"); + polarity = 1; + break; + } } return polarity; } @@ -996,67 +1075,67 @@ static int MPBIOS_trigger(int idx) /* * Determine IRQ trigger mode (edge or level sensitive): */ - switch ((mp_irqs[idx].mp_irqflag>>2) & 3) { - case 0: /* conforms, ie. bus-type dependent */ + switch ((mp_irqs[idx].mp_irqflag>>2) & 3) { - trigger = test_bit(bus, mp_bus_not_pci)? - default_ISA_trigger(idx): - default_PCI_trigger(idx); + case 0: /* conforms, ie. bus-type dependent */ + if (test_bit(bus, mp_bus_not_pci)) + trigger = default_ISA_trigger(idx); + else + trigger = default_PCI_trigger(idx); #if defined(CONFIG_EISA) || defined(CONFIG_MCA) - switch (mp_bus_id_to_type[bus]) { - case MP_BUS_ISA: /* ISA pin */ - { - /* set before the switch */ + switch (mp_bus_id_to_type[bus]) { + case MP_BUS_ISA: /* ISA pin */ + { + /* set before the switch */ + break; + } + case MP_BUS_EISA: /* EISA pin */ + { + trigger = default_EISA_trigger(idx); + break; + } + case MP_BUS_PCI: /* PCI pin */ + { + /* set before the switch */ + break; + } + case MP_BUS_MCA: /* MCA pin */ + { + trigger = default_MCA_trigger(idx); + break; + } + default: + { + printk(KERN_WARNING "broken BIOS!!\n"); + trigger = 1; + break; + } + } +#endif break; - } - case MP_BUS_EISA: /* EISA pin */ + case 1: /* edge */ { - trigger = default_EISA_trigger(idx); + trigger = 0; break; } - case MP_BUS_PCI: /* PCI pin */ + case 2: /* reserved */ { - /* set before the switch */ + printk(KERN_WARNING "broken BIOS!!\n"); + trigger = 1; break; } - case MP_BUS_MCA: /* MCA pin */ + case 3: /* level */ { - trigger = default_MCA_trigger(idx); + trigger = 1; break; } - default: + default: /* invalid */ { printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 1; + trigger = 0; break; } } -#endif - break; - } - case 1: /* edge */ - { - trigger = 0; - break; - } - case 2: /* reserved */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 1; - break; - } - case 3: /* level */ - { - trigger = 1; - break; - } - default: /* invalid */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 0; - break; - } - } return trigger; } @@ -1082,9 +1161,9 @@ static int pin_2_irq(int idx, int apic, int pin) if (mp_irqs[idx].mp_dstirq != pin) printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n"); - if (test_bit(bus, mp_bus_not_pci)) + if (test_bit(bus, mp_bus_not_pci)) { irq = mp_irqs[idx].mp_srcbusirq; - else { + } else { /* * PCI IRQs are mapped in order */ @@ -1092,14 +1171,14 @@ static int pin_2_irq(int idx, int apic, int pin) while (i < apic) irq += nr_ioapic_registers[i++]; irq += pin; - - /* - * For MPS mode, so far only needed by ES7000 platform - */ - if (ioapic_renumber_irq) - irq = ioapic_renumber_irq(apic, irq); + /* + * For MPS mode, so far only needed by ES7000 platform + */ + if (ioapic_renumber_irq) + irq = ioapic_renumber_irq(apic, irq); } +#ifdef CONFIG_X86_32 /* * PCI IRQ command line redirection. Yes, limits are hardcoded. */ @@ -1116,6 +1195,8 @@ static int pin_2_irq(int idx, int apic, int pin) } } } +#endif + return irq; } @@ -1145,74 +1226,70 @@ static int __assign_irq_vector(int irq, cpumask_t mask) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; - unsigned int old_vector; - int cpu; - struct irq_cfg *cfg; + static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; + unsigned int old_vector; + int cpu; + struct irq_cfg *cfg; - cfg = irq_cfg(irq); + cfg = irq_cfg(irq); - /* Only try and allocate irqs on cpus that are present */ - cpus_and(mask, mask, cpu_online_map); + /* Only try and allocate irqs on cpus that are present */ + cpus_and(mask, mask, cpu_online_map); - if ((cfg->move_in_progress) || cfg->move_cleanup_count) - return -EBUSY; + if ((cfg->move_in_progress) || cfg->move_cleanup_count) + return -EBUSY; - old_vector = cfg->vector; - if (old_vector) { - cpumask_t tmp; - cpus_and(tmp, cfg->domain, mask); - if (!cpus_empty(tmp)) - return 0; - } + old_vector = cfg->vector; + if (old_vector) { + cpumask_t tmp; + cpus_and(tmp, cfg->domain, mask); + if (!cpus_empty(tmp)) + return 0; + } - for_each_cpu_mask_nr(cpu, mask) { - cpumask_t domain, new_mask; - int new_cpu; - int vector, offset; + for_each_cpu_mask_nr(cpu, mask) { + cpumask_t domain, new_mask; + int new_cpu; + int vector, offset; - domain = vector_allocation_domain(cpu); - cpus_and(new_mask, domain, cpu_online_map); + domain = vector_allocation_domain(cpu); + cpus_and(new_mask, domain, cpu_online_map); - vector = current_vector; - offset = current_offset; + vector = current_vector; + offset = current_offset; next: - vector += 8; - if (vector >= first_system_vector) { - /* If we run out of vectors on large boxen, must share them. */ - offset = (offset + 1) % 8; - vector = FIRST_DEVICE_VECTOR + offset; - } - if (unlikely(current_vector == vector)) - continue; + vector += 8; + if (vector >= first_system_vector) { + /* If we run out of vectors on large boxen, must share them. */ + offset = (offset + 1) % 8; + vector = FIRST_DEVICE_VECTOR + offset; + } + if (unlikely(current_vector == vector)) + continue; #ifdef CONFIG_X86_64 - if (vector == IA32_SYSCALL_VECTOR) - goto next; + if (vector == IA32_SYSCALL_VECTOR) + goto next; #else - if (vector == SYSCALL_VECTOR) - goto next; + if (vector == SYSCALL_VECTOR) + goto next; #endif - for_each_cpu_mask_nr(new_cpu, new_mask) - if (per_cpu(vector_irq, new_cpu)[vector] != -1) - goto next; - /* Found one! */ - current_vector = vector; - current_offset = offset; - if (old_vector) { - cfg->move_in_progress = 1; - cfg->old_domain = cfg->domain; - } - printk(KERN_DEBUG "assign_irq_vector: irq %d vector %#x cpu ", irq, vector); - for_each_cpu_mask_nr(new_cpu, new_mask) { - per_cpu(vector_irq, new_cpu)[vector] = irq; - printk(KERN_CONT " %d ", new_cpu); + for_each_cpu_mask_nr(new_cpu, new_mask) + if (per_cpu(vector_irq, new_cpu)[vector] != -1) + goto next; + /* Found one! */ + current_vector = vector; + current_offset = offset; + if (old_vector) { + cfg->move_in_progress = 1; + cfg->old_domain = cfg->domain; } - printk(KERN_CONT "\n"); - cfg->vector = vector; - cfg->domain = domain; - return 0; - } - return -ENOSPC; + for_each_cpu_mask_nr(new_cpu, new_mask) + per_cpu(vector_irq, new_cpu)[vector] = irq; + cfg->vector = vector; + cfg->domain = domain; + return 0; + } + return -ENOSPC; } static int assign_irq_vector(int irq, cpumask_t mask) @@ -1223,7 +1300,6 @@ static int assign_irq_vector(int irq, cpumask_t mask) spin_lock_irqsave(&vector_lock, flags); err = __assign_irq_vector(irq, mask); spin_unlock_irqrestore(&vector_lock, flags); - return err; } @@ -1269,36 +1345,39 @@ void __setup_vector_irq(int cpu) cfg = irq_cfg(irq); if (!cpu_isset(cpu, cfg->domain)) per_cpu(vector_irq, cpu)[vector] = -1; - } + } } static struct irq_chip ioapic_chip; +#ifdef CONFIG_INTR_REMAP +static struct irq_chip ir_ioapic_chip; +#endif -#define IOAPIC_AUTO -1 -#define IOAPIC_EDGE 0 -#define IOAPIC_LEVEL 1 +#define IOAPIC_AUTO -1 +#define IOAPIC_EDGE 0 +#define IOAPIC_LEVEL 1 #ifdef CONFIG_X86_32 static inline int IO_APIC_irq_trigger(int irq) { - int apic, idx, pin; + int apic, idx, pin; - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic, pin, mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) - return irq_trigger(idx); - } - } - /* - * nonexistent IRQs are edge default - */ - return 0; + for (apic = 0; apic < nr_ioapics; apic++) { + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + idx = find_irq_entry(apic, pin, mp_INT); + if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) + return irq_trigger(idx); + } + } + /* + * nonexistent IRQs are edge default + */ + return 0; } #else static inline int IO_APIC_irq_trigger(int irq) { - return 1; + return 1; } #endif @@ -1318,13 +1397,27 @@ static void ioapic_register_intr(int irq, unsigned long trigger) else desc->status &= ~IRQ_LEVEL; +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + desc->status |= IRQ_MOVE_PCNTXT; + if (trigger) + set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, + handle_fasteoi_irq, + "fasteoi"); + else + set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, + handle_edge_irq, "edge"); + return; + } +#endif if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || trigger == IOAPIC_LEVEL) set_irq_chip_and_handler_name(irq, &ioapic_chip, - handle_fasteoi_irq, "fasteoi"); + handle_fasteoi_irq, + "fasteoi"); else set_irq_chip_and_handler_name(irq, &ioapic_chip, - handle_edge_irq, "edge"); + handle_edge_irq, "edge"); } static int setup_ioapic_entry(int apic, int irq, @@ -1337,11 +1430,45 @@ static int setup_ioapic_entry(int apic, int irq, */ memset(entry,0,sizeof(*entry)); - entry->delivery_mode = INT_DELIVERY_MODE; - entry->dest_mode = INT_DEST_MODE; - entry->dest = destination; +#ifdef CONFIG_INTR_REMAP + if (intr_remapping_enabled) { + struct intel_iommu *iommu = map_ioapic_to_ir(apic); + struct irte irte; + struct IR_IO_APIC_route_entry *ir_entry = + (struct IR_IO_APIC_route_entry *) entry; + int index; + + if (!iommu) + panic("No mapping iommu for ioapic %d\n", apic); + + index = alloc_irte(iommu, irq, 1); + if (index < 0) + panic("Failed to allocate IRTE for ioapic %d\n", apic); + + memset(&irte, 0, sizeof(irte)); + + irte.present = 1; + irte.dst_mode = INT_DEST_MODE; + irte.trigger_mode = trigger; + irte.dlvry_mode = INT_DELIVERY_MODE; + irte.vector = vector; + irte.dest_id = IRTE_DEST(destination); + + modify_irte(irq, &irte); + + ir_entry->index2 = (index >> 15) & 0x1; + ir_entry->zero = 0; + ir_entry->format = 1; + ir_entry->index = (index & 0x7fff); + } else +#endif + { + entry->delivery_mode = INT_DELIVERY_MODE; + entry->dest_mode = INT_DEST_MODE; + entry->dest = destination; + } - entry->mask = 0; /* enable IRQ */ + entry->mask = 0; /* enable IRQ */ entry->trigger = trigger; entry->polarity = polarity; entry->vector = vector; @@ -1351,12 +1478,11 @@ static int setup_ioapic_entry(int apic, int irq, */ if (trigger) entry->mask = 1; - return 0; } static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, - int trigger, int polarity) + int trigger, int polarity) { struct irq_cfg *cfg; struct IO_APIC_route_entry entry; @@ -1420,10 +1546,10 @@ static void __init setup_IO_APIC_irqs(void) } irq = pin_2_irq(idx, apic, pin); - +#ifdef CONFIG_X86_32 if (multi_timer_check(apic, irq)) continue; - +#endif add_pin_to_irq(irq, apic, pin); setup_IO_APIC_irq(apic, pin, irq, @@ -1443,6 +1569,11 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, { struct IO_APIC_route_entry entry; +#ifdef CONFIG_INTR_REMAP + if (intr_remapping_enabled) + return; +#endif + memset(&entry, 0, sizeof(entry)); /* @@ -1461,7 +1592,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, * The timer IRQ doesn't have to know that behind the * scene we may have a 8259A-master in AEOI mode ... */ - ioapic_register_intr(0, IOAPIC_EDGE); + set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge"); /* * Add it to the IO-APIC irq-routing table: @@ -1501,17 +1632,18 @@ __apicdebuginit(void) print_IO_APIC(void) reg_01.raw = io_apic_read(apic, 1); if (reg_01.bits.version >= 0x10) reg_02.raw = io_apic_read(apic, 2); - if (reg_01.bits.version >= 0x20) - reg_03.raw = io_apic_read(apic, 3); + if (reg_01.bits.version >= 0x20) + reg_03.raw = io_apic_read(apic, 3); spin_unlock_irqrestore(&ioapic_lock, flags); + printk("\n"); printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid); printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw); printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID); printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type); printk(KERN_DEBUG "....... : LTS : %X\n", reg_00.bits.LTS); - printk(KERN_DEBUG ".... register #01: %08X\n", reg_01.raw); + printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)®_01); printk(KERN_DEBUG "....... : max redirection entries: %04X\n", reg_01.bits.entries); printk(KERN_DEBUG "....... : PRQ implemented: %X\n", reg_01.bits.PRQ); @@ -1548,7 +1680,10 @@ __apicdebuginit(void) print_IO_APIC(void) entry = ioapic_read_entry(apic, i); - printk(KERN_DEBUG " %02x %02X ", i, entry.dest); + printk(KERN_DEBUG " %02x %03X ", + i, + entry.dest + ); printk("%1d %1d %1d %1d %1d %1d %1d %02X\n", entry.mask, @@ -1567,7 +1702,7 @@ __apicdebuginit(void) print_IO_APIC(void) struct irq_pin_list *entry = cfg->irq_2_pin; if (!entry) continue; - printk(KERN_DEBUG "IRQ%d ", i); + printk(KERN_DEBUG "IRQ%d ", cfg->irq); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) @@ -1614,8 +1749,7 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n", smp_processor_id(), hard_smp_processor_id()); v = apic_read(APIC_ID); - printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, - GET_APIC_ID(v)); + printk(KERN_INFO "... APIC ID: %08x (%01x)\n", v, read_apic_id()); v = apic_read(APIC_LVR); printk(KERN_INFO "... APIC VERSION: %08x\n", v); ver = GET_APIC_VERSION(v); @@ -1624,7 +1758,7 @@ __apicdebuginit(void) print_local_APIC(void *dummy) v = apic_read(APIC_TASKPRI); printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK); - if (APIC_INTEGRATED(ver)) { /* !82489DX */ + if (APIC_INTEGRATED(ver)) { /* !82489DX */ v = apic_read(APIC_ARBPRI); printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, v & APIC_ARBPRI_MASK); @@ -1650,9 +1784,10 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC IRR field:\n"); print_APIC_bitfield(APIC_IRR); - if (APIC_INTEGRATED(ver)) { /* !82489DX */ - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ + if (APIC_INTEGRATED(ver)) { /* !82489DX */ + if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ apic_write(APIC_ESR, 0); + v = apic_read(APIC_ESR); printk(KERN_DEBUG "... APIC ESR: %08x\n", v); } @@ -1710,11 +1845,11 @@ __apicdebuginit(void) print_PIC(void) v = inb(0xa0) << 8 | inb(0x20); printk(KERN_DEBUG "... PIC IRR: %04x\n", v); - outb(0x0b, 0xa0); - outb(0x0b, 0x20); + outb(0x0b,0xa0); + outb(0x0b,0x20); v = inb(0xa0) << 8 | inb(0x20); - outb(0x0a, 0xa0); - outb(0x0a, 0x20); + outb(0x0a,0xa0); + outb(0x0a,0x20); spin_unlock_irqrestore(&i8259A_lock, flags); @@ -1739,16 +1874,19 @@ fs_initcall(print_all_ICs); /* Where if anywhere is the i8259 connect in external int mode */ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; -static void __init enable_IO_APIC(void) +void __init enable_IO_APIC(void) { union IO_APIC_reg_01 reg_01; int i8259_apic, i8259_pin; - int i, apic; + int apic; unsigned long flags; +#ifdef CONFIG_X86_32 + int i; if (!pirqs_enabled) for (i = 0; i < MAX_PIRQS; i++) pirq_entries[i] = -1; +#endif /* * The number of IO-APIC IRQ registers (== #pins): @@ -1759,7 +1897,7 @@ static void __init enable_IO_APIC(void) spin_unlock_irqrestore(&ioapic_lock, flags); nr_ioapic_registers[apic] = reg_01.bits.entries+1; } - for (apic = 0; apic < nr_ioapics; apic++) { + for(apic = 0; apic < nr_ioapics; apic++) { int pin; /* See if any of the pins is in ExtINT mode */ for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { @@ -1830,16 +1968,18 @@ void disable_IO_APIC(void) entry.dest_mode = 0; /* Physical */ entry.delivery_mode = dest_ExtINT; /* ExtInt */ entry.vector = 0; - entry.dest = read_apic_id(); + entry.dest = read_apic_id(); /* * Add it to the IO-APIC irq-routing table: */ ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry); } + disconnect_bsp_APIC(ioapic_i8259.pin != -1); } +#ifdef CONFIG_X86_32 /* * function to set the IO-APIC physical IDs based on the * values stored in the MPC table. @@ -1940,8 +2080,6 @@ static void __init setup_ioapic_ids_from_mpc(void) reg_00.bits.ID = mp_ioapics[apic].mp_apicid; spin_lock_irqsave(&ioapic_lock, flags); - io_apic_write(apic, 0, reg_00.raw); - spin_unlock_irqrestore(&ioapic_lock, flags); /* * Sanity check @@ -1955,6 +2093,7 @@ static void __init setup_ioapic_ids_from_mpc(void) apic_printk(APIC_VERBOSE, " ok.\n"); } } +#endif int no_timer_check __initdata; @@ -1994,9 +2133,10 @@ static int __init timer_irq_works(void) * might have cached one ExtINT interrupt. Finally, at * least one tick may be lost due to delays. */ + + /* jiffies wrap? */ if (time_after(jiffies, t1 + 4)) return 1; - return 0; } @@ -2014,8 +2154,6 @@ static int __init timer_irq_works(void) */ /* - * Startup quirk: - * * Starting up a edge-triggered IO-APIC interrupt is * nasty - we need to make sure that we get the edge. * If it is already asserted for some reason, we need @@ -2023,9 +2161,8 @@ static int __init timer_irq_works(void) * * This is not complete - we should be able to fake * an edge even if it isn't on the 8259A... - * - * (We do this for level-triggered IRQs too - it cannot hurt.) */ + static unsigned int startup_ioapic_irq(unsigned int irq) { int was_pending = 0; @@ -2043,70 +2180,254 @@ static unsigned int startup_ioapic_irq(unsigned int irq) return was_pending; } +#ifdef CONFIG_X86_64 static int ioapic_retrigger_irq(unsigned int irq) { - send_IPI_self(irq_cfg(irq)->vector); + + struct irq_cfg *cfg = irq_cfg(irq); + unsigned long flags; + + spin_lock_irqsave(&vector_lock, flags); + send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector); + spin_unlock_irqrestore(&vector_lock, flags); return 1; } - -#ifdef CONFIG_SMP -asmlinkage void smp_irq_move_cleanup_interrupt(void) +#else +static int ioapic_retrigger_irq(unsigned int irq) { - unsigned vector, me; - ack_APIC_irq(); - irq_enter(); - - me = smp_processor_id(); - for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { - unsigned int irq; - struct irq_desc *desc; - struct irq_cfg *cfg; - irq = __get_cpu_var(vector_irq)[vector]; + send_IPI_self(irq_cfg(irq)->vector); - desc = irq_to_desc(irq); - if (!desc) - continue; + return 1; +} +#endif - cfg = irq_cfg(irq); - spin_lock(&desc->lock); - if (!cfg->move_cleanup_count) - goto unlock; +/* + * Level and edge triggered IO-APIC interrupts need different handling, + * so we use two separate IRQ descriptors. Edge triggered IRQs can be + * handled with the level-triggered descriptor, but that one has slightly + * more overhead. Level-triggered interrupts cannot be handled with the + * edge-triggered handler, without risking IRQ storms and other ugly + * races. + */ - if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) - goto unlock; +#ifdef CONFIG_SMP - __get_cpu_var(vector_irq)[vector] = -1; - cfg->move_cleanup_count--; -unlock: - spin_unlock(&desc->lock); - } +#ifdef CONFIG_INTR_REMAP +static void ir_irq_migration(struct work_struct *work); - irq_exit(); -} +static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration); -static void irq_complete_move(unsigned int irq) +/* + * Migrate the IO-APIC irq in the presence of intr-remapping. + * + * For edge triggered, irq migration is a simple atomic update(of vector + * and cpu destination) of IRTE and flush the hardware cache. + * + * For level triggered, we need to modify the io-apic RTE aswell with the update + * vector information, along with modifying IRTE with vector and destination. + * So irq migration for level triggered is little bit more complex compared to + * edge triggered migration. But the good news is, we use the same algorithm + * for level triggered migration as we have today, only difference being, + * we now initiate the irq migration from process context instead of the + * interrupt context. + * + * In future, when we do a directed EOI (combined with cpu EOI broadcast + * suppression) to the IO-APIC, level triggered irq migration will also be + * as simple as edge triggered migration and we can do the irq migration + * with a simple atomic update to IO-APIC RTE. + */ +static void migrate_ioapic_irq(int irq, cpumask_t mask) { - struct irq_cfg *cfg = irq_cfg(irq); - unsigned vector, me; + struct irq_cfg *cfg; + struct irq_desc *desc; + cpumask_t tmp, cleanup_mask; + struct irte irte; + int modify_ioapic_rte; + unsigned int dest; + unsigned long flags; - if (likely(!cfg->move_in_progress)) + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) return; - vector = ~get_irq_regs()->orig_ax; - me = smp_processor_id(); - if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) { - cpumask_t cleanup_mask; + if (get_irte(irq, &irte)) + return; - cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); - cfg->move_cleanup_count = cpus_weight(cleanup_mask); - send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + if (assign_irq_vector(irq, mask)) + return; + + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + desc = irq_to_desc(irq); + modify_ioapic_rte = desc->status & IRQ_LEVEL; + if (modify_ioapic_rte) { + spin_lock_irqsave(&ioapic_lock, flags); + __target_IO_APIC_irq(irq, dest, cfg->vector); + spin_unlock_irqrestore(&ioapic_lock, flags); + } + + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + /* + * Modified the IRTE and flushes the Interrupt entry cache. + */ + modify_irte(irq, &irte); + + if (cfg->move_in_progress) { + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } + + desc->affinity = mask; +} + +static int migrate_irq_remapped_level(int irq) +{ + int ret = -1; + struct irq_desc *desc = irq_to_desc(irq); + + mask_IO_APIC_irq(irq); + + if (io_apic_level_ack_pending(irq)) { + /* + * Interrupt in progress. Migrating irq now will change the + * vector information in the IO-APIC RTE and that will confuse + * the EOI broadcast performed by cpu. + * So, delay the irq migration to the next instance. + */ + schedule_delayed_work(&ir_migration_work, 1); + goto unmask; + } + + /* everthing is clear. we have right of way */ + migrate_ioapic_irq(irq, desc->pending_mask); + + ret = 0; + desc->status &= ~IRQ_MOVE_PENDING; + cpus_clear(desc->pending_mask); + +unmask: + unmask_IO_APIC_irq(irq); + return ret; +} + +static void ir_irq_migration(struct work_struct *work) +{ + unsigned int irq; + struct irq_desc *desc; + + for_each_irq_desc(irq, desc) { + if (desc->status & IRQ_MOVE_PENDING) { + unsigned long flags; + + spin_lock_irqsave(&desc->lock, flags); + if (!desc->chip->set_affinity || + !(desc->status & IRQ_MOVE_PENDING)) { + desc->status &= ~IRQ_MOVE_PENDING; + spin_unlock_irqrestore(&desc->lock, flags); + continue; + } + + desc->chip->set_affinity(irq, desc->pending_mask); + spin_unlock_irqrestore(&desc->lock, flags); + } + } +} + +/* + * Migrates the IRQ destination in the process context. + */ +static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) +{ + struct irq_desc *desc = irq_to_desc(irq); + + if (desc->status & IRQ_LEVEL) { + desc->status |= IRQ_MOVE_PENDING; + desc->pending_mask = mask; + migrate_irq_remapped_level(irq); + return; + } + + migrate_ioapic_irq(irq, mask); +} +#endif + +asmlinkage void smp_irq_move_cleanup_interrupt(void) +{ + unsigned vector, me; + ack_APIC_irq(); +#ifdef CONFIG_X86_64 + exit_idle(); +#endif + irq_enter(); + + me = smp_processor_id(); + for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { + unsigned int irq; + struct irq_desc *desc; + struct irq_cfg *cfg; + irq = __get_cpu_var(vector_irq)[vector]; + + desc = irq_to_desc(irq); + if (!desc) + continue; + + cfg = irq_cfg(irq); + spin_lock(&desc->lock); + if (!cfg->move_cleanup_count) + goto unlock; + + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) + goto unlock; + + __get_cpu_var(vector_irq)[vector] = -1; + cfg->move_cleanup_count--; +unlock: + spin_unlock(&desc->lock); + } + + irq_exit(); +} + +static void irq_complete_move(unsigned int irq) +{ + struct irq_cfg *cfg = irq_cfg(irq); + unsigned vector, me; + + if (likely(!cfg->move_in_progress)) + return; + + vector = ~get_irq_regs()->orig_ax; + me = smp_processor_id(); + if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) { + cpumask_t cleanup_mask; + + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); cfg->move_in_progress = 0; } } #else static inline void irq_complete_move(unsigned int irq) {} #endif +#ifdef CONFIG_INTR_REMAP +static void ack_x2apic_level(unsigned int irq) +{ + ack_x2APIC_irq(); +} + +static void ack_x2apic_edge(unsigned int irq) +{ + ack_x2APIC_irq(); +} +#endif static void ack_apic_edge(unsigned int irq) { @@ -2118,55 +2439,55 @@ static void ack_apic_edge(unsigned int irq) #ifdef CONFIG_X86_64 static void ack_apic_level(unsigned int irq) { - int do_unmask_irq = 0; + int do_unmask_irq = 0; - irq_complete_move(irq); + irq_complete_move(irq); #ifdef CONFIG_GENERIC_PENDING_IRQ - /* If we are moving the irq we need to mask it */ - if (unlikely(desc->status & IRQ_MOVE_PENDING)) { - do_unmask_irq = 1; - mask_IO_APIC_irq(irq); - } + /* If we are moving the irq we need to mask it */ + if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) { + do_unmask_irq = 1; + mask_IO_APIC_irq(irq); + } #endif - /* - * We must acknowledge the irq before we move it or the acknowledge will - * not propagate properly. - */ - ack_APIC_irq(); - - /* Now we can move and renable the irq */ - if (unlikely(do_unmask_irq)) { - /* Only migrate the irq if the ack has been received. - * - * On rare occasions the broadcast level triggered ack gets - * delayed going to ioapics, and if we reprogram the - * vector while Remote IRR is still set the irq will never - * fire again. - * - * To prevent this scenario we read the Remote IRR bit - * of the ioapic. This has two effects. - * - On any sane system the read of the ioapic will - * flush writes (and acks) going to the ioapic from - * this cpu. - * - We get to see if the ACK has actually been delivered. - * - * Based on failed experiments of reprogramming the - * ioapic entry from outside of irq context starting - * with masking the ioapic entry and then polling until - * Remote IRR was clear before reprogramming the - * ioapic I don't trust the Remote IRR bit to be - * completey accurate. - * - * However there appears to be no other way to plug - * this race, so if the Remote IRR bit is not - * accurate and is causing problems then it is a hardware bug - * and you can go talk to the chipset vendor about it. - */ - if (!io_apic_level_ack_pending(irq)) - move_masked_irq(irq, desc); - unmask_IO_APIC_irq(irq); - } + /* + * We must acknowledge the irq before we move it or the acknowledge will + * not propagate properly. + */ + ack_APIC_irq(); + + /* Now we can move and renable the irq */ + if (unlikely(do_unmask_irq)) { + /* Only migrate the irq if the ack has been received. + * + * On rare occasions the broadcast level triggered ack gets + * delayed going to ioapics, and if we reprogram the + * vector while Remote IRR is still set the irq will never + * fire again. + * + * To prevent this scenario we read the Remote IRR bit + * of the ioapic. This has two effects. + * - On any sane system the read of the ioapic will + * flush writes (and acks) going to the ioapic from + * this cpu. + * - We get to see if the ACK has actually been delivered. + * + * Based on failed experiments of reprogramming the + * ioapic entry from outside of irq context starting + * with masking the ioapic entry and then polling until + * Remote IRR was clear before reprogramming the + * ioapic I don't trust the Remote IRR bit to be + * completey accurate. + * + * However there appears to be no other way to plug + * this race, so if the Remote IRR bit is not + * accurate and is causing problems then it is a hardware bug + * and you can go talk to the chipset vendor about it. + */ + if (!io_apic_level_ack_pending(irq)) + move_masked_irq(irq); + unmask_IO_APIC_irq(irq); + } } #else atomic_t irq_mis_count; @@ -2177,25 +2498,25 @@ static void ack_apic_level(unsigned int irq) irq_complete_move(irq); move_native_irq(irq); -/* - * It appears there is an erratum which affects at least version 0x11 - * of I/O APIC (that's the 82093AA and cores integrated into various - * chipsets). Under certain conditions a level-triggered interrupt is - * erroneously delivered as edge-triggered one but the respective IRR - * bit gets set nevertheless. As a result the I/O unit expects an EOI - * message but it will never arrive and further interrupts are blocked - * from the source. The exact reason is so far unknown, but the - * phenomenon was observed when two consecutive interrupt requests - * from a given source get delivered to the same CPU and the source is - * temporarily disabled in between. - * - * A workaround is to simulate an EOI message manually. We achieve it - * by setting the trigger mode to edge and then to level when the edge - * trigger mode gets detected in the TMR of a local APIC for a - * level-triggered interrupt. We mask the source for the time of the - * operation to prevent an edge-triggered interrupt escaping meanwhile. - * The idea is from Manfred Spraul. --macro - */ + /* + * It appears there is an erratum which affects at least version 0x11 + * of I/O APIC (that's the 82093AA and cores integrated into various + * chipsets). Under certain conditions a level-triggered interrupt is + * erroneously delivered as edge-triggered one but the respective IRR + * bit gets set nevertheless. As a result the I/O unit expects an EOI + * message but it will never arrive and further interrupts are blocked + * from the source. The exact reason is so far unknown, but the + * phenomenon was observed when two consecutive interrupt requests + * from a given source get delivered to the same CPU and the source is + * temporarily disabled in between. + * + * A workaround is to simulate an EOI message manually. We achieve it + * by setting the trigger mode to edge and then to level when the edge + * trigger mode gets detected in the TMR of a local APIC for a + * level-triggered interrupt. We mask the source for the time of the + * operation to prevent an edge-triggered interrupt escaping meanwhile. + * The idea is from Manfred Spraul. --macro + */ i = irq_cfg(irq)->vector; v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); @@ -2225,6 +2546,20 @@ static struct irq_chip ioapic_chip __read_mostly = { .retrigger = ioapic_retrigger_irq, }; +#ifdef CONFIG_INTR_REMAP +static struct irq_chip ir_ioapic_chip __read_mostly = { + .name = "IR-IO-APIC", + .startup = startup_ioapic_irq, + .mask = mask_IO_APIC_irq, + .unmask = unmask_IO_APIC_irq, + .ack = ack_x2apic_edge, + .eoi = ack_x2apic_level, +#ifdef CONFIG_SMP + .set_affinity = set_ir_ioapic_affinity_irq, +#endif + .retrigger = ioapic_retrigger_irq, +}; +#endif static inline void init_IO_APIC_traps(void) { @@ -2282,7 +2617,7 @@ static void unmask_lapic_irq(unsigned int irq) apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); } -static void ack_lapic_irq(unsigned int irq) +static void ack_lapic_irq (unsigned int irq) { ack_APIC_irq(); } @@ -2383,12 +2718,12 @@ static inline void __init unlock_ExtINT_logic(void) static int disable_timer_pin_1 __initdata; /* Actually the next is obsolete, but keep it for paranoid reasons -AK */ -static int __init parse_disable_timer_pin_1(char *arg) +static int __init disable_timer_pin_setup(char *arg) { disable_timer_pin_1 = 1; return 0; } -early_param("disable_timer_pin_1", parse_disable_timer_pin_1); +early_param("disable_timer_pin_1", disable_timer_pin_setup); int timer_through_8259 __initdata; @@ -2397,6 +2732,8 @@ int timer_through_8259 __initdata; * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ * is so screwy. Thanks to Brian Perkins for testing/hacking this beast * fanatically on his truly buggy board. + * + * FIXME: really need to revamp this for all platforms. */ static inline void __init check_timer(void) { @@ -2408,8 +2745,8 @@ static inline void __init check_timer(void) local_irq_save(flags); - ver = apic_read(APIC_LVR); - ver = GET_APIC_VERSION(ver); + ver = apic_read(APIC_LVR); + ver = GET_APIC_VERSION(ver); /* * get/set the timer IRQ vector: @@ -2428,7 +2765,9 @@ static inline void __init check_timer(void) */ apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); +#ifdef CONFIG_X86_32 timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); +#endif pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); @@ -2447,6 +2786,10 @@ static inline void __init check_timer(void) * 8259A. */ if (pin1 == -1) { +#ifdef CONFIG_INTR_REMAP + if (intr_remapping_enabled) + panic("BIOS bug: timer not connected to IO-APIC"); +#endif pin1 = pin2; apic1 = apic2; no_pin1 = 1; @@ -2473,6 +2816,10 @@ static inline void __init check_timer(void) clear_IO_APIC_pin(0, pin1); goto out; } +#ifdef CONFIG_INTR_REMAP + if (intr_remapping_enabled) + panic("timer doesn't work through Interrupt-remapped IO-APIC"); +#endif clear_IO_APIC_pin(apic1, pin1); if (!no_pin1) apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: " @@ -2512,7 +2859,9 @@ static inline void __init check_timer(void) "through the IO-APIC - disabling NMI Watchdog!\n"); nmi_watchdog = NMI_NONE; } +#ifdef CONFIG_X86_32 timer_ack = 0; +#endif apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer as Virtual Wire IRQ...\n"); @@ -2570,17 +2919,25 @@ out: void __init setup_IO_APIC(void) { + +#ifdef CONFIG_X86_32 enable_IO_APIC(); +#else + /* + * calling enable_IO_APIC() is moved to setup_local_APIC for BP + */ +#endif io_apic_irqs = ~PIC_IRQS; - printk("ENABLING IO-APIC IRQs\n"); - - /* - * Set up IO-APIC IRQ routing. - */ - if (!acpi_ioapic) - setup_ioapic_ids_from_mpc(); + apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n"); + /* + * Set up IO-APIC IRQ routing. + */ +#ifdef CONFIG_X86_32 + if (!acpi_ioapic) + setup_ioapic_ids_from_mpc(); +#endif sync_Arb_IDs(); setup_IO_APIC_irqs(); init_IO_APIC_traps(); @@ -2588,15 +2945,15 @@ void __init setup_IO_APIC(void) } /* - * Called after all the initialization is done. If we didnt find any - * APIC bugs then we can allow the modify fast path + * Called after all the initialization is done. If we didnt find any + * APIC bugs then we can allow the modify fast path */ static int __init io_apic_bug_finalize(void) { - if (sis_apic_bug == -1) - sis_apic_bug = 0; - return 0; + if (sis_apic_bug == -1) + sis_apic_bug = 0; + return 0; } late_initcall(io_apic_bug_finalize); @@ -2605,7 +2962,7 @@ struct sysfs_ioapic_data { struct sys_device dev; struct IO_APIC_route_entry entry[0]; }; -static struct sysfs_ioapic_data *mp_ioapic_data[MAX_IO_APICS]; +static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS]; static int ioapic_suspend(struct sys_device *dev, pm_message_t state) { @@ -2615,8 +2972,8 @@ static int ioapic_suspend(struct sys_device *dev, pm_message_t state) data = container_of(dev, struct sysfs_ioapic_data, dev); entry = data->entry; - for (i = 0; i < nr_ioapic_registers[dev->id]; i++) - entry[i] = ioapic_read_entry(dev->id, i); + for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) + *entry = ioapic_read_entry(dev->id, i); return 0; } @@ -2653,14 +3010,14 @@ static struct sysdev_class ioapic_sysdev_class = { static int __init ioapic_init_sysfs(void) { - struct sys_device *dev; - int i, size, error = 0; + struct sys_device * dev; + int i, size, error; error = sysdev_class_register(&ioapic_sysdev_class); if (error) return error; - for (i = 0; i < nr_ioapics; i++) { + for (i = 0; i < nr_ioapics; i++ ) { size = sizeof(struct sys_device) + nr_ioapic_registers[i] * sizeof(struct IO_APIC_route_entry); mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL); @@ -2691,18 +3048,18 @@ device_initcall(ioapic_init_sysfs); unsigned int create_irq_nr(unsigned int irq_want) { /* Allocate an unused irq */ - unsigned int irq, new; + unsigned int irq; + unsigned int new; unsigned long flags; struct irq_cfg *cfg_new; #ifndef CONFIG_HAVE_SPARSE_IRQ - /* only can use bus/dev/fn.. when per_cpu vector is used */ irq_want = nr_irqs - 1; #endif irq = 0; spin_lock_irqsave(&vector_lock, flags); - for (new = (nr_irqs - 1); new > 0; new--) { + for (new = irq_want; new > 0; new--) { if (platform_legacy_irq(new)) continue; cfg_new = irq_cfg(new); @@ -2725,7 +3082,14 @@ unsigned int create_irq_nr(unsigned int irq_want) int create_irq(void) { - return create_irq_nr(nr_irqs - 1); + int irq; + + irq = create_irq_nr(nr_irqs - 1); + + if (irq == 0) + irq = -1; + + return irq; } void destroy_irq(unsigned int irq) @@ -2734,6 +3098,9 @@ void destroy_irq(unsigned int irq) dynamic_irq_cleanup(irq); +#ifdef CONFIG_INTR_REMAP + free_irte(irq); +#endif spin_lock_irqsave(&vector_lock, flags); __clear_irq_vector(irq); spin_unlock_irqrestore(&vector_lock, flags); @@ -2759,25 +3126,54 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms cpus_and(tmp, cfg->domain, tmp); dest = cpu_mask_to_apicid(tmp); - msg->address_hi = MSI_ADDR_BASE_HI; - msg->address_lo = - MSI_ADDR_BASE_LO | - ((INT_DEST_MODE == 0) ? - MSI_ADDR_DEST_MODE_PHYSICAL: - MSI_ADDR_DEST_MODE_LOGICAL) | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - MSI_ADDR_REDIRECTION_CPU: - MSI_ADDR_REDIRECTION_LOWPRI) | - MSI_ADDR_DEST_ID(dest); - - msg->data = - MSI_DATA_TRIGGER_EDGE | - MSI_DATA_LEVEL_ASSERT | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - MSI_DATA_DELIVERY_FIXED: - MSI_DATA_DELIVERY_LOWPRI) | - MSI_DATA_VECTOR(cfg->vector); +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + struct irte irte; + int ir_index; + u16 sub_handle; + + ir_index = map_irq_to_irte_handle(irq, &sub_handle); + BUG_ON(ir_index == -1); + + memset (&irte, 0, sizeof(irte)); + + irte.present = 1; + irte.dst_mode = INT_DEST_MODE; + irte.trigger_mode = 0; /* edge */ + irte.dlvry_mode = INT_DELIVERY_MODE; + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + modify_irte(irq, &irte); + + msg->address_hi = MSI_ADDR_BASE_HI; + msg->data = sub_handle; + msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_IR_EXT_INT | + MSI_ADDR_IR_SHV | + MSI_ADDR_IR_INDEX1(ir_index) | + MSI_ADDR_IR_INDEX2(ir_index); + } else +#endif + { + msg->address_hi = MSI_ADDR_BASE_HI; + msg->address_lo = + MSI_ADDR_BASE_LO | + ((INT_DEST_MODE == 0) ? + MSI_ADDR_DEST_MODE_PHYSICAL: + MSI_ADDR_DEST_MODE_LOGICAL) | + ((INT_DELIVERY_MODE != dest_LowestPrio) ? + MSI_ADDR_REDIRECTION_CPU: + MSI_ADDR_REDIRECTION_LOWPRI) | + MSI_ADDR_DEST_ID(dest); + msg->data = + MSI_DATA_TRIGGER_EDGE | + MSI_DATA_LEVEL_ASSERT | + ((INT_DELIVERY_MODE != dest_LowestPrio) ? + MSI_DATA_DELIVERY_FIXED: + MSI_DATA_DELIVERY_LOWPRI) | + MSI_DATA_VECTOR(cfg->vector); + } return err; } @@ -2788,6 +3184,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) struct msi_msg msg; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2808,8 +3205,61 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) msg.address_lo |= MSI_ADDR_DEST_ID(dest); write_msi_msg(irq, &msg); - irq_to_desc(irq)->affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } + +#ifdef CONFIG_INTR_REMAP +/* + * Migrate the MSI irq to another cpumask. This migration is + * done in the process context using interrupt-remapping hardware. + */ +static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) +{ + struct irq_cfg *cfg; + unsigned int dest; + cpumask_t tmp, cleanup_mask; + struct irte irte; + struct irq_desc *desc; + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (get_irte(irq, &irte)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + irte.vector = cfg->vector; + irte.dest_id = IRTE_DEST(dest); + + /* + * atomically update the IRTE with the new destination and vector. + */ + modify_irte(irq, &irte); + + /* + * After this point, all the interrupts will start arriving + * at the new destination. So, time to cleanup the previous + * vector allocation. + */ + if (cfg->move_in_progress) { + cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); + cfg->move_cleanup_count = cpus_weight(cleanup_mask); + send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); + cfg->move_in_progress = 0; + } + + desc = irq_to_desc(irq); + desc->affinity = mask; +} +#endif #endif /* CONFIG_SMP */ /* @@ -2827,6 +3277,45 @@ static struct irq_chip msi_chip = { .retrigger = ioapic_retrigger_irq, }; +#ifdef CONFIG_INTR_REMAP +static struct irq_chip msi_ir_chip = { + .name = "IR-PCI-MSI", + .unmask = unmask_msi_irq, + .mask = mask_msi_irq, + .ack = ack_x2apic_edge, +#ifdef CONFIG_SMP + .set_affinity = ir_set_msi_irq_affinity, +#endif + .retrigger = ioapic_retrigger_irq, +}; + +/* + * Map the PCI dev to the corresponding remapping hardware unit + * and allocate 'nvec' consecutive interrupt-remapping table entries + * in it. + */ +static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec) +{ + struct intel_iommu *iommu; + int index; + + iommu = map_dev_to_ir(dev); + if (!iommu) { + printk(KERN_ERR + "Unable to map PCI %s to iommu\n", pci_name(dev)); + return -ENOENT; + } + + index = alloc_irte(iommu, irq, nvec); + if (index < 0) { + printk(KERN_ERR + "Unable to allocate %d IRTE for PCI %s\n", nvec, + pci_name(dev)); + return -ENOSPC; + } + return index; +} +#endif static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) { @@ -2840,7 +3329,17 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) set_irq_msi(irq, desc); write_msi_msg(irq, &msg); - set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); +#ifdef CONFIG_INTR_REMAP + if (irq_remapped(irq)) { + struct irq_desc *desc = irq_to_desc(irq); + /* + * irq migration in process context + */ + desc->status |= IRQ_MOVE_PCNTXT; + set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge"); + } else +#endif + set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); return 0; } @@ -2859,59 +3358,164 @@ static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { - int irq, ret; - + unsigned int irq; + int ret; unsigned int irq_want; irq_want = build_irq_for_pci_dev(dev) + 0x100; irq = create_irq_nr(irq_want); - if (irq == 0) return -1; +#ifdef CONFIG_INTR_REMAP + if (!intr_remapping_enabled) + goto no_ir; + + ret = msi_alloc_irte(dev, irq, 1); + if (ret < 0) + goto error; +no_ir: +#endif ret = setup_msi_irq(dev, desc, irq); if (ret < 0) { destroy_irq(irq); return ret; - } - + } return 0; + +#ifdef CONFIG_INTR_REMAP +error: + destroy_irq(irq); + return ret; +#endif } int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { - unsigned int irq; - int ret, sub_handle; - struct msi_desc *desc; - unsigned int irq_want; - - irq_want = build_irq_for_pci_dev(dev) + 0x100; - sub_handle = 0; - list_for_each_entry(desc, &dev->msi_list, list) { - irq = create_irq_nr(irq_want--); - if (irq == 0) - return -1; - ret = setup_msi_irq(dev, desc, irq); - if (ret < 0) - goto error; - sub_handle++; - } - return 0; + unsigned int irq; + int ret, sub_handle; + struct msi_desc *desc; + unsigned int irq_want; + +#ifdef CONFIG_INTR_REMAP + struct intel_iommu *iommu = 0; + int index = 0; +#endif + + irq_want = build_irq_for_pci_dev(dev) + 0x100; + sub_handle = 0; + list_for_each_entry(desc, &dev->msi_list, list) { + irq = create_irq_nr(irq_want--); + if (irq == 0) + return -1; +#ifdef CONFIG_INTR_REMAP + if (!intr_remapping_enabled) + goto no_ir; + + if (!sub_handle) { + /* + * allocate the consecutive block of IRTE's + * for 'nvec' + */ + index = msi_alloc_irte(dev, irq, nvec); + if (index < 0) { + ret = index; + goto error; + } + } else { + iommu = map_dev_to_ir(dev); + if (!iommu) { + ret = -ENOENT; + goto error; + } + /* + * setup the mapping between the irq and the IRTE + * base index, the sub_handle pointing to the + * appropriate interrupt remap table entry. + */ + set_irte_irq(irq, iommu, index, sub_handle); + } +no_ir: +#endif + ret = setup_msi_irq(dev, desc, irq); + if (ret < 0) + goto error; + sub_handle++; + } + return 0; error: - destroy_irq(irq); - return ret; + destroy_irq(irq); + return ret; } - void arch_teardown_msi_irq(unsigned int irq) { destroy_irq(irq); } -#endif /* CONFIG_PCI_MSI */ +#ifdef CONFIG_DMAR +#ifdef CONFIG_SMP +static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) +{ + struct irq_cfg *cfg; + struct msi_msg msg; + unsigned int dest; + cpumask_t tmp; + struct irq_desc *desc; + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + dmar_msi_read(irq, &msg); + + msg.data &= ~MSI_DATA_VECTOR_MASK; + msg.data |= MSI_DATA_VECTOR(cfg->vector); + msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; + msg.address_lo |= MSI_ADDR_DEST_ID(dest); + + dmar_msi_write(irq, &msg); + desc = irq_to_desc(irq); + desc->affinity = mask; +} +#endif /* CONFIG_SMP */ + +struct irq_chip dmar_msi_type = { + .name = "DMAR_MSI", + .unmask = dmar_msi_unmask, + .mask = dmar_msi_mask, + .ack = ack_apic_edge, +#ifdef CONFIG_SMP + .set_affinity = dmar_msi_set_affinity, +#endif + .retrigger = ioapic_retrigger_irq, +}; + +int arch_setup_dmar_msi(unsigned int irq) +{ + int ret; + struct msi_msg msg; + ret = msi_compose_msg(NULL, irq, &msg); + if (ret < 0) + return ret; + dmar_msi_write(irq, &msg); + set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq, + "edge"); + return 0; +} +#endif + +#endif /* CONFIG_PCI_MSI */ /* * Hypertransport interrupt support */ @@ -2938,6 +3542,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) struct irq_cfg *cfg; unsigned int dest; cpumask_t tmp; + struct irq_desc *desc; cpus_and(tmp, mask, cpu_online_map); if (cpus_empty(tmp)) @@ -2951,7 +3556,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) dest = cpu_mask_to_apicid(tmp); target_ht_irq(irq, dest, cfg->vector); - irq_to_desc(irq)->affinity = mask; + desc = irq_to_desc(irq); + desc->affinity = mask; } #endif @@ -2974,7 +3580,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) tmp = TARGET_CPUS; err = assign_irq_vector(irq, tmp); - if ( !err) { + if (!err) { struct ht_irq_msg msg; unsigned dest; @@ -3007,11 +3613,12 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) #endif /* CONFIG_HT_IRQ */ /* -------------------------------------------------------------------------- - ACPI-based IOAPIC Configuration + ACPI-based IOAPIC Configuration -------------------------------------------------------------------------- */ #ifdef CONFIG_ACPI +#ifdef CONFIG_X86_32 int __init io_apic_get_unique_id(int ioapic, int apic_id) { union IO_APIC_reg_00 reg_00; @@ -3086,7 +3693,6 @@ int __init io_apic_get_unique_id(int ioapic, int apic_id) return apic_id; } - int __init io_apic_get_version(int ioapic) { union IO_APIC_reg_01 reg_01; @@ -3098,9 +3704,9 @@ int __init io_apic_get_version(int ioapic) return reg_01.bits.version; } +#endif - -int __init io_apic_get_redir_entries(int ioapic) +int __init io_apic_get_redir_entries (int ioapic) { union IO_APIC_reg_01 reg_01; unsigned long flags; @@ -3113,10 +3719,10 @@ int __init io_apic_get_redir_entries(int ioapic) } -int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int polarity) +int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity) { if (!IO_APIC_IRQ(irq)) { - printk(KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", + apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", ioapic); return -EINVAL; } @@ -3132,6 +3738,7 @@ int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int po return 0; } + int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) { int i; @@ -3163,7 +3770,6 @@ void __init setup_ioapic_dest(void) { int pin, ioapic, irq, irq_entry; struct irq_cfg *cfg; - struct irq_desc *desc; if (skip_ioapic_setup == 1) return; @@ -3184,43 +3790,124 @@ void __init setup_ioapic_dest(void) setup_IO_APIC_irq(ioapic, pin, irq, irq_trigger(irq_entry), irq_polarity(irq_entry)); - else { - desc = irq_to_desc(irq); +#ifdef CONFIG_INTR_REMAP + else if (intr_remapping_enabled) + set_ir_ioapic_affinity_irq(irq, TARGET_CPUS); +#endif + else set_ioapic_affinity_irq(irq, TARGET_CPUS); - } } } } #endif +#ifdef CONFIG_X86_64 +#define IOAPIC_RESOURCE_NAME_SIZE 11 + +static struct resource *ioapic_resources; + +static struct resource * __init ioapic_setup_resources(void) +{ + unsigned long n; + struct resource *res; + char *mem; + int i; + + if (nr_ioapics <= 0) + return NULL; + + n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource); + n *= nr_ioapics; + + mem = alloc_bootmem(n); + res = (void *)mem; + + if (mem != NULL) { + mem += sizeof(struct resource) * nr_ioapics; + + for (i = 0; i < nr_ioapics; i++) { + res[i].name = mem; + res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY; + sprintf(mem, "IOAPIC %u", i); + mem += IOAPIC_RESOURCE_NAME_SIZE; + } + } + + ioapic_resources = res; + + return res; +} +#endif + void __init ioapic_init_mappings(void) { unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; int i; +#ifdef CONFIG_X86_64 + struct resource *ioapic_res; + ioapic_res = ioapic_setup_resources(); +#endif for (i = 0; i < nr_ioapics; i++) { if (smp_found_config) { ioapic_phys = mp_ioapics[i].mp_apicaddr; - if (!ioapic_phys) { - printk(KERN_ERR - "WARNING: bogus zero IO-APIC " - "address found in MPTABLE, " - "disabling IO/APIC support!\n"); - smp_found_config = 0; - skip_ioapic_setup = 1; - goto fake_ioapic_page; - } +#ifdef CONFIG_X86_32 + if (!ioapic_phys) { + printk(KERN_ERR + "WARNING: bogus zero IO-APIC " + "address found in MPTABLE, " + "disabling IO/APIC support!\n"); + smp_found_config = 0; + skip_ioapic_setup = 1; + goto fake_ioapic_page; + } +#endif } else { +#ifdef CONFIG_X86_32 fake_ioapic_page: +#endif ioapic_phys = (unsigned long) - alloc_bootmem_pages(PAGE_SIZE); + alloc_bootmem_pages(PAGE_SIZE); ioapic_phys = __pa(ioapic_phys); } set_fixmap_nocache(idx, ioapic_phys); - printk(KERN_DEBUG "mapped IOAPIC to %08lx (%08lx)\n", - __fix_to_virt(idx), ioapic_phys); + apic_printk(APIC_VERBOSE, + "mapped IOAPIC to %08lx (%08lx)\n", + __fix_to_virt(idx), ioapic_phys); idx++; + +#ifdef CONFIG_X86_64 + if (ioapic_res != NULL) { + ioapic_res->start = ioapic_phys; + ioapic_res->end = ioapic_phys + (4 * 1024) - 1; + ioapic_res++; + } +#endif } } +#ifdef CONFIG_X86_64 +static int __init ioapic_insert_resources(void) +{ + int i; + struct resource *r = ioapic_resources; + + if (!r) { + printk(KERN_ERR + "IO APIC resources could be not be allocated.\n"); + return -1; + } + + for (i = 0; i < nr_ioapics; i++) { + insert_resource(&iomem_resource, r); + r++; + } + + return 0; +} + +/* Insert the IO APIC resources after PCI initialization has occured to handle + * IO APICS that are mapped in on a BAR in PCI space. */ +late_initcall(ioapic_insert_resources); +#endif -- GitLab From 26d347c2c035b1f4c5b3c5094f3046db9ec920f5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:42 -0700 Subject: [PATCH 5129/6244] rename io_apic_64.c and io_apic_32.c to io_apic.c The two files are now line by line equal. (sans a printk) Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/{io_apic_32.c => io_apic.c} | 0 arch/x86/kernel/io_apic_64.c | 3913 ------------------- 3 files changed, 1 insertion(+), 3914 deletions(-) rename arch/x86/kernel/{io_apic_32.c => io_apic.c} (100%) delete mode 100644 arch/x86/kernel/io_apic_64.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 0d41f0343dc0..7264f9c3af8f 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -61,7 +61,7 @@ obj-$(CONFIG_X86_64_SMP) += tsc_sync.o smpcommon.o obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o obj-$(CONFIG_X86_MPPARSE) += mpparse.o obj-$(CONFIG_X86_LOCAL_APIC) += apic_$(BITS).o nmi.o -obj-$(CONFIG_X86_IO_APIC) += io_apic_$(BITS).o +obj-$(CONFIG_X86_IO_APIC) += io_apic.o obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic.c similarity index 100% rename from arch/x86/kernel/io_apic_32.c rename to arch/x86/kernel/io_apic.c diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c deleted file mode 100644 index 940c4167b325..000000000000 --- a/arch/x86/kernel/io_apic_64.c +++ /dev/null @@ -1,3913 +0,0 @@ -/* - * Intel IO-APIC support for multi-Pentium hosts. - * - * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar, Hajnalka Szabo - * - * Many thanks to Stig Venaas for trying out countless experimental - * patches and reporting/debugging problems patiently! - * - * (c) 1999, Multiple IO-APIC support, developed by - * Ken-ichi Yaku and - * Hidemi Kishimoto , - * further tested and cleaned up by Zach Brown - * and Ingo Molnar - * - * Fixes - * Maciej W. Rozycki : Bits for genuine 82489DX APICs; - * thanks to Eric Gilmore - * and Rolf G. Tews - * for testing these extensively - * Paul Diefenbaugh : Added full ACPI support - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include /* time_after() */ -#ifdef CONFIG_ACPI -#include -#endif -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#define __apicdebuginit(type) static type __init - -/* - * Is the SiS APIC rmw bug present ? - * -1 = don't know, 0 = no, 1 = yes - */ -int sis_apic_bug = -1; - -static DEFINE_SPINLOCK(ioapic_lock); -static DEFINE_SPINLOCK(vector_lock); - -int first_free_entry; -/* - * Rough estimation of how many shared IRQs there are, can - * be changed anytime. - */ -int pin_map_size; - -/* - * # of IRQ routing registers - */ -int nr_ioapic_registers[MAX_IO_APICS]; - -/* I/O APIC entries */ -struct mp_config_ioapic mp_ioapics[MAX_IO_APICS]; -int nr_ioapics; - -/* MP IRQ source entries */ -struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; - -/* # of MP IRQ source entries */ -int mp_irq_entries; - -#if defined (CONFIG_MCA) || defined (CONFIG_EISA) -int mp_bus_id_to_type[MAX_MP_BUSSES]; -#endif - -DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES); - -int skip_ioapic_setup; - -static int __init parse_noapic(char *str) -{ - /* disable IO-APIC */ - disable_ioapic_setup(); - return 0; -} -early_param("noapic", parse_noapic); - -struct irq_cfg; -struct irq_pin_list; -struct irq_cfg { - unsigned int irq; - struct irq_cfg *next; - struct irq_pin_list *irq_2_pin; - cpumask_t domain; - cpumask_t old_domain; - unsigned move_cleanup_count; - u8 vector; - u8 move_in_progress : 1; -}; - -/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ -static struct irq_cfg irq_cfg_legacy[] __initdata = { - [0] = { .irq = 0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, - [1] = { .irq = 1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, - [2] = { .irq = 2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, - [3] = { .irq = 3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR, }, - [4] = { .irq = 4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR, }, - [5] = { .irq = 5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR, }, - [6] = { .irq = 6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR, }, - [7] = { .irq = 7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR, }, - [8] = { .irq = 8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR, }, - [9] = { .irq = 9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR, }, - [10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, }, - [11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, }, - [12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, }, - [13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, }, - [14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, }, - [15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, -}; - -static struct irq_cfg irq_cfg_init = { .irq = -1U, }; -/* need to be biger than size of irq_cfg_legacy */ -static int nr_irq_cfg = 32; - -static int __init parse_nr_irq_cfg(char *arg) -{ - if (arg) { - nr_irq_cfg = simple_strtoul(arg, NULL, 0); - if (nr_irq_cfg < 32) - nr_irq_cfg = 32; - } - return 0; -} - -early_param("nr_irq_cfg", parse_nr_irq_cfg); - -static void init_one_irq_cfg(struct irq_cfg *cfg) -{ - memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg)); -} - -static struct irq_cfg *irq_cfgx; -static struct irq_cfg *irq_cfgx_free; -static void __init init_work(void *data) -{ - struct dyn_array *da = data; - struct irq_cfg *cfg; - int legacy_count; - int i; - - cfg = *da->name; - - memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); - - legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); - for (i = legacy_count; i < *da->nr; i++) - init_one_irq_cfg(&cfg[i]); - - for (i = 1; i < *da->nr; i++) - cfg[i-1].next = &cfg[i]; - - irq_cfgx_free = &irq_cfgx[legacy_count]; - irq_cfgx[legacy_count - 1].next = NULL; -} - -#define for_each_irq_cfg(cfg) \ - for (cfg = irq_cfgx; cfg; cfg = cfg->next) - -DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); - -static struct irq_cfg *irq_cfg(unsigned int irq) -{ - struct irq_cfg *cfg; - - cfg = irq_cfgx; - while (cfg) { - if (cfg->irq == irq) - return cfg; - - cfg = cfg->next; - } - - return NULL; -} - -static struct irq_cfg *irq_cfg_alloc(unsigned int irq) -{ - struct irq_cfg *cfg, *cfg_pri; - int i; - int count = 0; - - cfg_pri = cfg = irq_cfgx; - while (cfg) { - if (cfg->irq == irq) - return cfg; - - cfg_pri = cfg; - cfg = cfg->next; - count++; - } - - if (!irq_cfgx_free) { - unsigned long phys; - unsigned long total_bytes; - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); - - total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg; - if (after_bootmem) - cfg = kzalloc(total_bytes, GFP_ATOMIC); - else - cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - - if (!cfg) - panic("please boot with nr_irq_cfg= %d\n", count * 2); - - phys = __pa(cfg); - printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - - for (i = 0; i < nr_irq_cfg; i++) - init_one_irq_cfg(&cfg[i]); - - for (i = 1; i < nr_irq_cfg; i++) - cfg[i-1].next = &cfg[i]; - - irq_cfgx_free = cfg; - } - - cfg = irq_cfgx_free; - irq_cfgx_free = irq_cfgx_free->next; - cfg->next = NULL; - if (cfg_pri) - cfg_pri->next = cfg; - else - irq_cfgx = cfg; - cfg->irq = irq; - printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); -#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG - { - /* dump the results */ - struct irq_cfg *cfg; - unsigned long phys; - unsigned long bytes = sizeof(struct irq_cfg); - - printk(KERN_DEBUG "=========================== %d\n", irq); - printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq); - for_each_irq_cfg(cfg) { - phys = __pa(cfg); - printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes); - } - printk(KERN_DEBUG "===========================\n"); - } -#endif - return cfg; -} - -/* - * This is performance-critical, we want to do it O(1) - * - * the indexing order of this array favors 1:1 mappings - * between pins and IRQs. - */ - -struct irq_pin_list { - int apic, pin; - struct irq_pin_list *next; -}; - -static struct irq_pin_list *irq_2_pin_head; -/* fill one page ? */ -static int nr_irq_2_pin = 0x100; -static struct irq_pin_list *irq_2_pin_ptr; -static void __init irq_2_pin_init_work(void *data) -{ - struct dyn_array *da = data; - struct irq_pin_list *pin; - int i; - - pin = *da->name; - - for (i = 1; i < *da->nr; i++) - pin[i-1].next = &pin[i]; - - irq_2_pin_ptr = &pin[0]; -} -DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work); - -static struct irq_pin_list *get_one_free_irq_2_pin(void) -{ - struct irq_pin_list *pin; - int i; - - pin = irq_2_pin_ptr; - - if (pin) { - irq_2_pin_ptr = pin->next; - pin->next = NULL; - return pin; - } - - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin); - - if (after_bootmem) - pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin, - GFP_ATOMIC); - else - pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) * - nr_irq_2_pin, PAGE_SIZE, 0); - - if (!pin) - panic("can not get more irq_2_pin\n"); - - for (i = 1; i < nr_irq_2_pin; i++) - pin[i-1].next = &pin[i]; - - irq_2_pin_ptr = pin->next; - pin->next = NULL; - - return pin; -} - -struct io_apic { - unsigned int index; - unsigned int unused[3]; - unsigned int data; -}; - -static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx) -{ - return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx) - + (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK); -} - -static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - writel(reg, &io_apic->index); - return readl(&io_apic->data); -} - -static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - writel(reg, &io_apic->index); - writel(value, &io_apic->data); -} - -/* - * Re-write a value: to be used for read-modify-write - * cycles where the read already set up the index register. - * - * Older SiS APIC requires we rewrite the index register - */ -static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - if (sis_apic_bug) - writel(reg, &io_apic->index); - writel(value, &io_apic->data); -} - -#ifdef CONFIG_X86_64 -static bool io_apic_level_ack_pending(unsigned int irq) -{ - struct irq_pin_list *entry; - unsigned long flags; - struct irq_cfg *cfg = irq_cfg(irq); - - spin_lock_irqsave(&ioapic_lock, flags); - entry = cfg->irq_2_pin; - for (;;) { - unsigned int reg; - int pin; - - if (!entry) - break; - pin = entry->pin; - reg = io_apic_read(entry->apic, 0x10 + pin*2); - /* Is the remote IRR bit set? */ - if (reg & IO_APIC_REDIR_REMOTE_IRR) { - spin_unlock_irqrestore(&ioapic_lock, flags); - return true; - } - if (!entry->next) - break; - entry = entry->next; - } - spin_unlock_irqrestore(&ioapic_lock, flags); - - return false; -} -#endif - -union entry_union { - struct { u32 w1, w2; }; - struct IO_APIC_route_entry entry; -}; - -static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin) -{ - union entry_union eu; - unsigned long flags; - spin_lock_irqsave(&ioapic_lock, flags); - eu.w1 = io_apic_read(apic, 0x10 + 2 * pin); - eu.w2 = io_apic_read(apic, 0x11 + 2 * pin); - spin_unlock_irqrestore(&ioapic_lock, flags); - return eu.entry; -} - -/* - * When we write a new IO APIC routing entry, we need to write the high - * word first! If the mask bit in the low word is clear, we will enable - * the interrupt, and we need to make sure the entry is fully populated - * before that happens. - */ -static void -__ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e) -{ - union entry_union eu; - eu.entry = e; - io_apic_write(apic, 0x11 + 2*pin, eu.w2); - io_apic_write(apic, 0x10 + 2*pin, eu.w1); -} - -static void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e) -{ - unsigned long flags; - spin_lock_irqsave(&ioapic_lock, flags); - __ioapic_write_entry(apic, pin, e); - spin_unlock_irqrestore(&ioapic_lock, flags); -} - -/* - * When we mask an IO APIC routing entry, we need to write the low - * word first, in order to set the mask bit before we change the - * high bits! - */ -static void ioapic_mask_entry(int apic, int pin) -{ - unsigned long flags; - union entry_union eu = { .entry.mask = 1 }; - - spin_lock_irqsave(&ioapic_lock, flags); - io_apic_write(apic, 0x10 + 2*pin, eu.w1); - io_apic_write(apic, 0x11 + 2*pin, eu.w2); - spin_unlock_irqrestore(&ioapic_lock, flags); -} - -#ifdef CONFIG_SMP -static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector) -{ - int apic, pin; - struct irq_cfg *cfg; - struct irq_pin_list *entry; - - cfg = irq_cfg(irq); - entry = cfg->irq_2_pin; - for (;;) { - unsigned int reg; - - if (!entry) - break; - - apic = entry->apic; - pin = entry->pin; -#ifdef CONFIG_INTR_REMAP - /* - * With interrupt-remapping, destination information comes - * from interrupt-remapping table entry. - */ - if (!irq_remapped(irq)) - io_apic_write(apic, 0x11 + pin*2, dest); -#else - io_apic_write(apic, 0x11 + pin*2, dest); -#endif - reg = io_apic_read(apic, 0x10 + pin*2); - reg &= ~IO_APIC_REDIR_VECTOR_MASK; - reg |= vector; - io_apic_modify(apic, 0x10 + pin*2, reg); - if (!entry->next) - break; - entry = entry->next; - } -} - -static int assign_irq_vector(int irq, cpumask_t mask); - -static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - unsigned long flags; - unsigned int dest; - cpumask_t tmp; - struct irq_desc *desc; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - cfg = irq_cfg(irq); - if (assign_irq_vector(irq, mask)) - return; - - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - /* - * Only the high 8 bits are valid. - */ - dest = SET_APIC_LOGICAL_ID(dest); - - desc = irq_to_desc(irq); - spin_lock_irqsave(&ioapic_lock, flags); - __target_IO_APIC_irq(irq, dest, cfg->vector); - desc->affinity = mask; - spin_unlock_irqrestore(&ioapic_lock, flags); -} -#endif /* CONFIG_SMP */ - -/* - * The common case is 1:1 IRQ<->pin mappings. Sometimes there are - * shared ISA-space IRQs, so we have to support them. We are super - * fast in the common case, and fast for shared ISA-space IRQs. - */ -static void add_pin_to_irq(unsigned int irq, int apic, int pin) -{ - struct irq_cfg *cfg; - struct irq_pin_list *entry; - - /* first time to refer irq_cfg, so with new */ - cfg = irq_cfg_alloc(irq); - entry = cfg->irq_2_pin; - if (!entry) { - entry = get_one_free_irq_2_pin(); - cfg->irq_2_pin = entry; - entry->apic = apic; - entry->pin = pin; - printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); - return; - } - - while (entry->next) { - /* not again, please */ - if (entry->apic == apic && entry->pin == pin) - return; - - entry = entry->next; - } - - entry->next = get_one_free_irq_2_pin(); - entry = entry->next; - entry->apic = apic; - entry->pin = pin; - printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); -} - -/* - * Reroute an IRQ to a different pin. - */ -static void __init replace_pin_at_irq(unsigned int irq, - int oldapic, int oldpin, - int newapic, int newpin) -{ - struct irq_cfg *cfg = irq_cfg(irq); - struct irq_pin_list *entry = cfg->irq_2_pin; - int replaced = 0; - - while (entry) { - if (entry->apic == oldapic && entry->pin == oldpin) { - entry->apic = newapic; - entry->pin = newpin; - replaced = 1; - /* every one is different, right? */ - break; - } - entry = entry->next; - } - - /* why? call replace before add? */ - if (!replaced) - add_pin_to_irq(irq, newapic, newpin); -} - -#ifdef CONFIG_X86_64 -/* - * Synchronize the IO-APIC and the CPU by doing - * a dummy read from the IO-APIC - */ -static inline void io_apic_sync(unsigned int apic) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - readl(&io_apic->data); -} - -#define __DO_ACTION(R, ACTION, FINAL) \ - \ -{ \ - int pin; \ - struct irq_cfg *cfg; \ - struct irq_pin_list *entry; \ - \ - cfg = irq_cfg(irq); \ - entry = cfg->irq_2_pin; \ - for (;;) { \ - unsigned int reg; \ - if (!entry) \ - break; \ - pin = entry->pin; \ - reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ - reg ACTION; \ - io_apic_modify(entry->apic, 0x10 + R + pin*2, reg); \ - FINAL; \ - if (!entry->next) \ - break; \ - entry = entry->next; \ - } \ -} - -#define DO_ACTION(name,R,ACTION, FINAL) \ - \ - static void name##_IO_APIC_irq (unsigned int irq) \ - __DO_ACTION(R, ACTION, FINAL) - -/* mask = 1 */ -DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic)) - -/* mask = 0 */ -DO_ACTION(__unmask, 0, &= ~IO_APIC_REDIR_MASKED, ) - -#else - -static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable) -{ - struct irq_cfg *cfg; - struct irq_pin_list *entry; - unsigned int pin, reg; - - cfg = irq_cfg(irq); - entry = cfg->irq_2_pin; - for (;;) { - if (!entry) - break; - pin = entry->pin; - reg = io_apic_read(entry->apic, 0x10 + pin*2); - reg &= ~disable; - reg |= enable; - io_apic_modify(entry->apic, 0x10 + pin*2, reg); - if (!entry->next) - break; - entry = entry->next; - } -} - -/* mask = 1 */ -static void __mask_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0); -} - -/* mask = 0 */ -static void __unmask_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED); -} - -/* mask = 1, trigger = 0 */ -static void __mask_and_edge_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, - IO_APIC_REDIR_LEVEL_TRIGGER); -} - -/* mask = 0, trigger = 1 */ -static void __unmask_and_level_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER, - IO_APIC_REDIR_MASKED); -} - -#endif - -static void mask_IO_APIC_irq (unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - __mask_IO_APIC_irq(irq); - spin_unlock_irqrestore(&ioapic_lock, flags); -} - -static void unmask_IO_APIC_irq (unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - __unmask_IO_APIC_irq(irq); - spin_unlock_irqrestore(&ioapic_lock, flags); -} - -static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin) -{ - struct IO_APIC_route_entry entry; - - /* Check delivery_mode to be sure we're not clearing an SMI pin */ - entry = ioapic_read_entry(apic, pin); - if (entry.delivery_mode == dest_SMI) - return; - /* - * Disable it in the IO-APIC irq-routing table: - */ - ioapic_mask_entry(apic, pin); -} - -static void clear_IO_APIC (void) -{ - int apic, pin; - - for (apic = 0; apic < nr_ioapics; apic++) - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) - clear_IO_APIC_pin(apic, pin); -} - -#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32) -void send_IPI_self(int vector) -{ - unsigned int cfg; - - /* - * Wait for idle. - */ - apic_wait_icr_idle(); - cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL; - /* - * Send the IPI. The write to APIC_ICR fires this off. - */ - apic_write(APIC_ICR, cfg); -} -#endif /* !CONFIG_SMP && CONFIG_X86_32*/ - -#ifdef CONFIG_X86_32 -/* - * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to - * specific CPU-side IRQs. - */ - -#define MAX_PIRQS 8 -static int pirq_entries [MAX_PIRQS]; -static int pirqs_enabled; - -static int __init ioapic_pirq_setup(char *str) -{ - int i, max; - int ints[MAX_PIRQS+1]; - - get_options(str, ARRAY_SIZE(ints), ints); - - for (i = 0; i < MAX_PIRQS; i++) - pirq_entries[i] = -1; - - pirqs_enabled = 1; - apic_printk(APIC_VERBOSE, KERN_INFO - "PIRQ redirection, working around broken MP-BIOS.\n"); - max = MAX_PIRQS; - if (ints[0] < MAX_PIRQS) - max = ints[0]; - - for (i = 0; i < max; i++) { - apic_printk(APIC_VERBOSE, KERN_DEBUG - "... PIRQ%d -> IRQ %d\n", i, ints[i+1]); - /* - * PIRQs are mapped upside down, usually. - */ - pirq_entries[MAX_PIRQS-i-1] = ints[i+1]; - } - return 1; -} - -__setup("pirq=", ioapic_pirq_setup); -#endif /* CONFIG_X86_32 */ - -#ifdef CONFIG_INTR_REMAP -/* I/O APIC RTE contents at the OS boot up */ -static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS]; - -/* - * Saves and masks all the unmasked IO-APIC RTE's - */ -int save_mask_IO_APIC_setup(void) -{ - union IO_APIC_reg_01 reg_01; - unsigned long flags; - int apic, pin; - - /* - * The number of IO-APIC IRQ registers (== #pins): - */ - for (apic = 0; apic < nr_ioapics; apic++) { - spin_lock_irqsave(&ioapic_lock, flags); - reg_01.raw = io_apic_read(apic, 1); - spin_unlock_irqrestore(&ioapic_lock, flags); - nr_ioapic_registers[apic] = reg_01.bits.entries+1; - } - - for (apic = 0; apic < nr_ioapics; apic++) { - early_ioapic_entries[apic] = - kzalloc(sizeof(struct IO_APIC_route_entry) * - nr_ioapic_registers[apic], GFP_KERNEL); - if (!early_ioapic_entries[apic]) - return -ENOMEM; - } - - for (apic = 0; apic < nr_ioapics; apic++) - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - struct IO_APIC_route_entry entry; - - entry = early_ioapic_entries[apic][pin] = - ioapic_read_entry(apic, pin); - if (!entry.mask) { - entry.mask = 1; - ioapic_write_entry(apic, pin, entry); - } - } - return 0; -} - -void restore_IO_APIC_setup(void) -{ - int apic, pin; - - for (apic = 0; apic < nr_ioapics; apic++) - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) - ioapic_write_entry(apic, pin, - early_ioapic_entries[apic][pin]); -} - -void reinit_intr_remapped_IO_APIC(int intr_remapping) -{ - /* - * for now plain restore of previous settings. - * TBD: In the case of OS enabling interrupt-remapping, - * IO-APIC RTE's need to be setup to point to interrupt-remapping - * table entries. for now, do a plain restore, and wait for - * the setup_IO_APIC_irqs() to do proper initialization. - */ - restore_IO_APIC_setup(); -} -#endif - -/* - * Find the IRQ entry number of a certain pin. - */ -static int find_irq_entry(int apic, int pin, int type) -{ - int i; - - for (i = 0; i < mp_irq_entries; i++) - if (mp_irqs[i].mp_irqtype == type && - (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid || - mp_irqs[i].mp_dstapic == MP_APIC_ALL) && - mp_irqs[i].mp_dstirq == pin) - return i; - - return -1; -} - -/* - * Find the pin to which IRQ[irq] (ISA) is connected - */ -static int __init find_isa_irq_pin(int irq, int type) -{ - int i; - - for (i = 0; i < mp_irq_entries; i++) { - int lbus = mp_irqs[i].mp_srcbus; - - if (test_bit(lbus, mp_bus_not_pci) && - (mp_irqs[i].mp_irqtype == type) && - (mp_irqs[i].mp_srcbusirq == irq)) - - return mp_irqs[i].mp_dstirq; - } - return -1; -} - -static int __init find_isa_irq_apic(int irq, int type) -{ - int i; - - for (i = 0; i < mp_irq_entries; i++) { - int lbus = mp_irqs[i].mp_srcbus; - - if (test_bit(lbus, mp_bus_not_pci) && - (mp_irqs[i].mp_irqtype == type) && - (mp_irqs[i].mp_srcbusirq == irq)) - break; - } - if (i < mp_irq_entries) { - int apic; - for(apic = 0; apic < nr_ioapics; apic++) { - if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic) - return apic; - } - } - - return -1; -} - -/* - * Find a specific PCI IRQ entry. - * Not an __init, possibly needed by modules - */ -static int pin_2_irq(int idx, int apic, int pin); - -int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin) -{ - int apic, i, best_guess = -1; - - apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n", - bus, slot, pin); - if (test_bit(bus, mp_bus_not_pci)) { - apic_printk(APIC_VERBOSE, "PCI BIOS passed nonexistent PCI bus %d!\n", bus); - return -1; - } - for (i = 0; i < mp_irq_entries; i++) { - int lbus = mp_irqs[i].mp_srcbus; - - for (apic = 0; apic < nr_ioapics; apic++) - if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic || - mp_irqs[i].mp_dstapic == MP_APIC_ALL) - break; - - if (!test_bit(lbus, mp_bus_not_pci) && - !mp_irqs[i].mp_irqtype && - (bus == lbus) && - (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) { - int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq); - - if (!(apic || IO_APIC_IRQ(irq))) - continue; - - if (pin == (mp_irqs[i].mp_srcbusirq & 3)) - return irq; - /* - * Use the first all-but-pin matching entry as a - * best-guess fuzzy result for broken mptables. - */ - if (best_guess < 0) - best_guess = irq; - } - } - return best_guess; -} - -EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); - -#if defined(CONFIG_EISA) || defined(CONFIG_MCA) -/* - * EISA Edge/Level control register, ELCR - */ -static int EISA_ELCR(unsigned int irq) -{ - if (irq < 16) { - unsigned int port = 0x4d0 + (irq >> 3); - return (inb(port) >> (irq & 7)) & 1; - } - apic_printk(APIC_VERBOSE, KERN_INFO - "Broken MPtable reports ISA irq %d\n", irq); - return 0; -} - -#endif - -/* ISA interrupts are always polarity zero edge triggered, - * when listed as conforming in the MP table. */ - -#define default_ISA_trigger(idx) (0) -#define default_ISA_polarity(idx) (0) - -/* EISA interrupts are always polarity zero and can be edge or level - * trigger depending on the ELCR value. If an interrupt is listed as - * EISA conforming in the MP table, that means its trigger type must - * be read in from the ELCR */ - -#define default_EISA_trigger(idx) (EISA_ELCR(mp_irqs[idx].mp_srcbusirq)) -#define default_EISA_polarity(idx) default_ISA_polarity(idx) - -/* PCI interrupts are always polarity one level triggered, - * when listed as conforming in the MP table. */ - -#define default_PCI_trigger(idx) (1) -#define default_PCI_polarity(idx) (1) - -/* MCA interrupts are always polarity zero level triggered, - * when listed as conforming in the MP table. */ - -#define default_MCA_trigger(idx) (1) -#define default_MCA_polarity(idx) default_ISA_polarity(idx) - -static int MPBIOS_polarity(int idx) -{ - int bus = mp_irqs[idx].mp_srcbus; - int polarity; - - /* - * Determine IRQ line polarity (high active or low active): - */ - switch (mp_irqs[idx].mp_irqflag & 3) - { - case 0: /* conforms, ie. bus-type dependent polarity */ - if (test_bit(bus, mp_bus_not_pci)) - polarity = default_ISA_polarity(idx); - else - polarity = default_PCI_polarity(idx); - break; - case 1: /* high active */ - { - polarity = 0; - break; - } - case 2: /* reserved */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - polarity = 1; - break; - } - case 3: /* low active */ - { - polarity = 1; - break; - } - default: /* invalid */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - polarity = 1; - break; - } - } - return polarity; -} - -static int MPBIOS_trigger(int idx) -{ - int bus = mp_irqs[idx].mp_srcbus; - int trigger; - - /* - * Determine IRQ trigger mode (edge or level sensitive): - */ - switch ((mp_irqs[idx].mp_irqflag>>2) & 3) - { - case 0: /* conforms, ie. bus-type dependent */ - if (test_bit(bus, mp_bus_not_pci)) - trigger = default_ISA_trigger(idx); - else - trigger = default_PCI_trigger(idx); -#if defined(CONFIG_EISA) || defined(CONFIG_MCA) - switch (mp_bus_id_to_type[bus]) { - case MP_BUS_ISA: /* ISA pin */ - { - /* set before the switch */ - break; - } - case MP_BUS_EISA: /* EISA pin */ - { - trigger = default_EISA_trigger(idx); - break; - } - case MP_BUS_PCI: /* PCI pin */ - { - /* set before the switch */ - break; - } - case MP_BUS_MCA: /* MCA pin */ - { - trigger = default_MCA_trigger(idx); - break; - } - default: - { - printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 1; - break; - } - } -#endif - break; - case 1: /* edge */ - { - trigger = 0; - break; - } - case 2: /* reserved */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 1; - break; - } - case 3: /* level */ - { - trigger = 1; - break; - } - default: /* invalid */ - { - printk(KERN_WARNING "broken BIOS!!\n"); - trigger = 0; - break; - } - } - return trigger; -} - -static inline int irq_polarity(int idx) -{ - return MPBIOS_polarity(idx); -} - -static inline int irq_trigger(int idx) -{ - return MPBIOS_trigger(idx); -} - -int (*ioapic_renumber_irq)(int ioapic, int irq); -static int pin_2_irq(int idx, int apic, int pin) -{ - int irq, i; - int bus = mp_irqs[idx].mp_srcbus; - - /* - * Debugging check, we are in big trouble if this message pops up! - */ - if (mp_irqs[idx].mp_dstirq != pin) - printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n"); - - if (test_bit(bus, mp_bus_not_pci)) { - irq = mp_irqs[idx].mp_srcbusirq; - } else { - /* - * PCI IRQs are mapped in order - */ - i = irq = 0; - while (i < apic) - irq += nr_ioapic_registers[i++]; - irq += pin; - /* - * For MPS mode, so far only needed by ES7000 platform - */ - if (ioapic_renumber_irq) - irq = ioapic_renumber_irq(apic, irq); - } - -#ifdef CONFIG_X86_32 - /* - * PCI IRQ command line redirection. Yes, limits are hardcoded. - */ - if ((pin >= 16) && (pin <= 23)) { - if (pirq_entries[pin-16] != -1) { - if (!pirq_entries[pin-16]) { - apic_printk(APIC_VERBOSE, KERN_DEBUG - "disabling PIRQ%d\n", pin-16); - } else { - irq = pirq_entries[pin-16]; - apic_printk(APIC_VERBOSE, KERN_DEBUG - "using PIRQ%d -> IRQ %d\n", - pin-16, irq); - } - } - } -#endif - - return irq; -} - -void lock_vector_lock(void) -{ - /* Used to the online set of cpus does not change - * during assign_irq_vector. - */ - spin_lock(&vector_lock); -} - -void unlock_vector_lock(void) -{ - spin_unlock(&vector_lock); -} - -static int __assign_irq_vector(int irq, cpumask_t mask) -{ - /* - * NOTE! The local APIC isn't very good at handling - * multiple interrupts at the same interrupt level. - * As the interrupt level is determined by taking the - * vector number and shifting that right by 4, we - * want to spread these out a bit so that they don't - * all fall in the same interrupt level. - * - * Also, we've got to be careful not to trash gate - * 0x80, because int 0x80 is hm, kind of importantish. ;) - */ - static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0; - unsigned int old_vector; - int cpu; - struct irq_cfg *cfg; - - cfg = irq_cfg(irq); - - /* Only try and allocate irqs on cpus that are present */ - cpus_and(mask, mask, cpu_online_map); - - if ((cfg->move_in_progress) || cfg->move_cleanup_count) - return -EBUSY; - - old_vector = cfg->vector; - if (old_vector) { - cpumask_t tmp; - cpus_and(tmp, cfg->domain, mask); - if (!cpus_empty(tmp)) - return 0; - } - - for_each_cpu_mask_nr(cpu, mask) { - cpumask_t domain, new_mask; - int new_cpu; - int vector, offset; - - domain = vector_allocation_domain(cpu); - cpus_and(new_mask, domain, cpu_online_map); - - vector = current_vector; - offset = current_offset; -next: - vector += 8; - if (vector >= first_system_vector) { - /* If we run out of vectors on large boxen, must share them. */ - offset = (offset + 1) % 8; - vector = FIRST_DEVICE_VECTOR + offset; - } - if (unlikely(current_vector == vector)) - continue; -#ifdef CONFIG_X86_64 - if (vector == IA32_SYSCALL_VECTOR) - goto next; -#else - if (vector == SYSCALL_VECTOR) - goto next; -#endif - for_each_cpu_mask_nr(new_cpu, new_mask) - if (per_cpu(vector_irq, new_cpu)[vector] != -1) - goto next; - /* Found one! */ - current_vector = vector; - current_offset = offset; - if (old_vector) { - cfg->move_in_progress = 1; - cfg->old_domain = cfg->domain; - } - for_each_cpu_mask_nr(new_cpu, new_mask) - per_cpu(vector_irq, new_cpu)[vector] = irq; - cfg->vector = vector; - cfg->domain = domain; - return 0; - } - return -ENOSPC; -} - -static int assign_irq_vector(int irq, cpumask_t mask) -{ - int err; - unsigned long flags; - - spin_lock_irqsave(&vector_lock, flags); - err = __assign_irq_vector(irq, mask); - spin_unlock_irqrestore(&vector_lock, flags); - return err; -} - -static void __clear_irq_vector(int irq) -{ - struct irq_cfg *cfg; - cpumask_t mask; - int cpu, vector; - - cfg = irq_cfg(irq); - BUG_ON(!cfg->vector); - - vector = cfg->vector; - cpus_and(mask, cfg->domain, cpu_online_map); - for_each_cpu_mask_nr(cpu, mask) - per_cpu(vector_irq, cpu)[vector] = -1; - - cfg->vector = 0; - cpus_clear(cfg->domain); -} - -void __setup_vector_irq(int cpu) -{ - /* Initialize vector_irq on a new cpu */ - /* This function must be called with vector_lock held */ - int irq, vector; - struct irq_cfg *cfg; - - /* Mark the inuse vectors */ - for_each_irq_cfg(cfg) { - if (!cpu_isset(cpu, cfg->domain)) - continue; - vector = cfg->vector; - irq = cfg->irq; - per_cpu(vector_irq, cpu)[vector] = irq; - } - /* Mark the free vectors */ - for (vector = 0; vector < NR_VECTORS; ++vector) { - irq = per_cpu(vector_irq, cpu)[vector]; - if (irq < 0) - continue; - - cfg = irq_cfg(irq); - if (!cpu_isset(cpu, cfg->domain)) - per_cpu(vector_irq, cpu)[vector] = -1; - } -} - -static struct irq_chip ioapic_chip; -#ifdef CONFIG_INTR_REMAP -static struct irq_chip ir_ioapic_chip; -#endif - -#define IOAPIC_AUTO -1 -#define IOAPIC_EDGE 0 -#define IOAPIC_LEVEL 1 - -#ifdef CONFIG_X86_32 -static inline int IO_APIC_irq_trigger(int irq) -{ - int apic, idx, pin; - - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic, pin, mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) - return irq_trigger(idx); - } - } - /* - * nonexistent IRQs are edge default - */ - return 0; -} -#else -static inline int IO_APIC_irq_trigger(int irq) -{ - return 1; -} -#endif - -static void ioapic_register_intr(int irq, unsigned long trigger) -{ - struct irq_desc *desc; - - /* first time to use this irq_desc */ - if (irq < 16) - desc = irq_to_desc(irq); - else - desc = irq_to_desc_alloc(irq); - - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - desc->status |= IRQ_LEVEL; - else - desc->status &= ~IRQ_LEVEL; - -#ifdef CONFIG_INTR_REMAP - if (irq_remapped(irq)) { - desc->status |= IRQ_MOVE_PCNTXT; - if (trigger) - set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, - handle_fasteoi_irq, - "fasteoi"); - else - set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, - handle_edge_irq, "edge"); - return; - } -#endif - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - set_irq_chip_and_handler_name(irq, &ioapic_chip, - handle_fasteoi_irq, - "fasteoi"); - else - set_irq_chip_and_handler_name(irq, &ioapic_chip, - handle_edge_irq, "edge"); -} - -static int setup_ioapic_entry(int apic, int irq, - struct IO_APIC_route_entry *entry, - unsigned int destination, int trigger, - int polarity, int vector) -{ - /* - * add it to the IO-APIC irq-routing table: - */ - memset(entry,0,sizeof(*entry)); - -#ifdef CONFIG_INTR_REMAP - if (intr_remapping_enabled) { - struct intel_iommu *iommu = map_ioapic_to_ir(apic); - struct irte irte; - struct IR_IO_APIC_route_entry *ir_entry = - (struct IR_IO_APIC_route_entry *) entry; - int index; - - if (!iommu) - panic("No mapping iommu for ioapic %d\n", apic); - - index = alloc_irte(iommu, irq, 1); - if (index < 0) - panic("Failed to allocate IRTE for ioapic %d\n", apic); - - memset(&irte, 0, sizeof(irte)); - - irte.present = 1; - irte.dst_mode = INT_DEST_MODE; - irte.trigger_mode = trigger; - irte.dlvry_mode = INT_DELIVERY_MODE; - irte.vector = vector; - irte.dest_id = IRTE_DEST(destination); - - modify_irte(irq, &irte); - - ir_entry->index2 = (index >> 15) & 0x1; - ir_entry->zero = 0; - ir_entry->format = 1; - ir_entry->index = (index & 0x7fff); - } else -#endif - { - entry->delivery_mode = INT_DELIVERY_MODE; - entry->dest_mode = INT_DEST_MODE; - entry->dest = destination; - } - - entry->mask = 0; /* enable IRQ */ - entry->trigger = trigger; - entry->polarity = polarity; - entry->vector = vector; - - /* Mask level triggered irqs. - * Use IRQ_DELAYED_DISABLE for edge triggered irqs. - */ - if (trigger) - entry->mask = 1; - return 0; -} - -static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, - int trigger, int polarity) -{ - struct irq_cfg *cfg; - struct IO_APIC_route_entry entry; - cpumask_t mask; - - if (!IO_APIC_IRQ(irq)) - return; - - cfg = irq_cfg(irq); - - mask = TARGET_CPUS; - if (assign_irq_vector(irq, mask)) - return; - - cpus_and(mask, cfg->domain, mask); - - apic_printk(APIC_VERBOSE,KERN_DEBUG - "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> " - "IRQ %d Mode:%i Active:%i)\n", - apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector, - irq, trigger, polarity); - - - if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry, - cpu_mask_to_apicid(mask), trigger, polarity, - cfg->vector)) { - printk("Failed to setup ioapic entry for ioapic %d, pin %d\n", - mp_ioapics[apic].mp_apicid, pin); - __clear_irq_vector(irq); - return; - } - - ioapic_register_intr(irq, trigger); - if (irq < 16) - disable_8259A_irq(irq); - - ioapic_write_entry(apic, pin, entry); -} - -static void __init setup_IO_APIC_irqs(void) -{ - int apic, pin, idx, irq, first_notcon = 1; - - apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n"); - - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - - idx = find_irq_entry(apic,pin,mp_INT); - if (idx == -1) { - if (first_notcon) { - apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin); - first_notcon = 0; - } else - apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin); - continue; - } - if (!first_notcon) { - apic_printk(APIC_VERBOSE, " not connected.\n"); - first_notcon = 1; - } - - irq = pin_2_irq(idx, apic, pin); -#ifdef CONFIG_X86_32 - if (multi_timer_check(apic, irq)) - continue; -#endif - add_pin_to_irq(irq, apic, pin); - - setup_IO_APIC_irq(apic, pin, irq, - irq_trigger(idx), irq_polarity(idx)); - } - } - - if (!first_notcon) - apic_printk(APIC_VERBOSE, " not connected.\n"); -} - -/* - * Set up the timer pin, possibly with the 8259A-master behind. - */ -static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin, - int vector) -{ - struct IO_APIC_route_entry entry; - -#ifdef CONFIG_INTR_REMAP - if (intr_remapping_enabled) - return; -#endif - - memset(&entry, 0, sizeof(entry)); - - /* - * We use logical delivery to get the timer IRQ - * to the first CPU. - */ - entry.dest_mode = INT_DEST_MODE; - entry.mask = 1; /* mask IRQ now */ - entry.dest = cpu_mask_to_apicid(TARGET_CPUS); - entry.delivery_mode = INT_DELIVERY_MODE; - entry.polarity = 0; - entry.trigger = 0; - entry.vector = vector; - - /* - * The timer IRQ doesn't have to know that behind the - * scene we may have a 8259A-master in AEOI mode ... - */ - set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge"); - - /* - * Add it to the IO-APIC irq-routing table: - */ - ioapic_write_entry(apic, pin, entry); -} - - -__apicdebuginit(void) print_IO_APIC(void) -{ - int apic, i; - union IO_APIC_reg_00 reg_00; - union IO_APIC_reg_01 reg_01; - union IO_APIC_reg_02 reg_02; - union IO_APIC_reg_03 reg_03; - unsigned long flags; - struct irq_cfg *cfg; - - if (apic_verbosity == APIC_QUIET) - return; - - printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries); - for (i = 0; i < nr_ioapics; i++) - printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n", - mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]); - - /* - * We are a bit conservative about what we expect. We have to - * know about every hardware change ASAP. - */ - printk(KERN_INFO "testing the IO APIC.......................\n"); - - for (apic = 0; apic < nr_ioapics; apic++) { - - spin_lock_irqsave(&ioapic_lock, flags); - reg_00.raw = io_apic_read(apic, 0); - reg_01.raw = io_apic_read(apic, 1); - if (reg_01.bits.version >= 0x10) - reg_02.raw = io_apic_read(apic, 2); - if (reg_01.bits.version >= 0x20) - reg_03.raw = io_apic_read(apic, 3); - spin_unlock_irqrestore(&ioapic_lock, flags); - - printk("\n"); - printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid); - printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw); - printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID); - printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type); - printk(KERN_DEBUG "....... : LTS : %X\n", reg_00.bits.LTS); - - printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)®_01); - printk(KERN_DEBUG "....... : max redirection entries: %04X\n", reg_01.bits.entries); - - printk(KERN_DEBUG "....... : PRQ implemented: %X\n", reg_01.bits.PRQ); - printk(KERN_DEBUG "....... : IO APIC version: %04X\n", reg_01.bits.version); - - /* - * Some Intel chipsets with IO APIC VERSION of 0x1? don't have reg_02, - * but the value of reg_02 is read as the previous read register - * value, so ignore it if reg_02 == reg_01. - */ - if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) { - printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw); - printk(KERN_DEBUG "....... : arbitration: %02X\n", reg_02.bits.arbitration); - } - - /* - * Some Intel chipsets with IO APIC VERSION of 0x2? don't have reg_02 - * or reg_03, but the value of reg_0[23] is read as the previous read - * register value, so ignore it if reg_03 == reg_0[12]. - */ - if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw && - reg_03.raw != reg_01.raw) { - printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw); - printk(KERN_DEBUG "....... : Boot DT : %X\n", reg_03.bits.boot_DT); - } - - printk(KERN_DEBUG ".... IRQ redirection table:\n"); - - printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol" - " Stat Dmod Deli Vect: \n"); - - for (i = 0; i <= reg_01.bits.entries; i++) { - struct IO_APIC_route_entry entry; - - entry = ioapic_read_entry(apic, i); - - printk(KERN_DEBUG " %02x %03X ", - i, - entry.dest - ); - - printk("%1d %1d %1d %1d %1d %1d %1d %02X\n", - entry.mask, - entry.trigger, - entry.irr, - entry.polarity, - entry.delivery_status, - entry.dest_mode, - entry.delivery_mode, - entry.vector - ); - } - } - printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for_each_irq_cfg(cfg) { - struct irq_pin_list *entry = cfg->irq_2_pin; - if (!entry) - continue; - printk(KERN_DEBUG "IRQ%d ", cfg->irq); - for (;;) { - printk("-> %d:%d", entry->apic, entry->pin); - if (!entry->next) - break; - entry = entry->next; - } - printk("\n"); - } - - printk(KERN_INFO ".................................... done.\n"); - - return; -} - -__apicdebuginit(void) print_APIC_bitfield(int base) -{ - unsigned int v; - int i, j; - - if (apic_verbosity == APIC_QUIET) - return; - - printk(KERN_DEBUG "0123456789abcdef0123456789abcdef\n" KERN_DEBUG); - for (i = 0; i < 8; i++) { - v = apic_read(base + i*0x10); - for (j = 0; j < 32; j++) { - if (v & (1< 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); - - v = apic_read(APIC_ESR); - printk(KERN_DEBUG "... APIC ESR: %08x\n", v); - } - - icr = apic_icr_read(); - printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr); - printk(KERN_DEBUG "... APIC ICR2: %08x\n", (u32)(icr >> 32)); - - v = apic_read(APIC_LVTT); - printk(KERN_DEBUG "... APIC LVTT: %08x\n", v); - - if (maxlvt > 3) { /* PC is LVT#4. */ - v = apic_read(APIC_LVTPC); - printk(KERN_DEBUG "... APIC LVTPC: %08x\n", v); - } - v = apic_read(APIC_LVT0); - printk(KERN_DEBUG "... APIC LVT0: %08x\n", v); - v = apic_read(APIC_LVT1); - printk(KERN_DEBUG "... APIC LVT1: %08x\n", v); - - if (maxlvt > 2) { /* ERR is LVT#3. */ - v = apic_read(APIC_LVTERR); - printk(KERN_DEBUG "... APIC LVTERR: %08x\n", v); - } - - v = apic_read(APIC_TMICT); - printk(KERN_DEBUG "... APIC TMICT: %08x\n", v); - v = apic_read(APIC_TMCCT); - printk(KERN_DEBUG "... APIC TMCCT: %08x\n", v); - v = apic_read(APIC_TDCR); - printk(KERN_DEBUG "... APIC TDCR: %08x\n", v); - printk("\n"); -} - -__apicdebuginit(void) print_all_local_APICs(void) -{ - on_each_cpu(print_local_APIC, NULL, 1); -} - -__apicdebuginit(void) print_PIC(void) -{ - unsigned int v; - unsigned long flags; - - if (apic_verbosity == APIC_QUIET) - return; - - printk(KERN_DEBUG "\nprinting PIC contents\n"); - - spin_lock_irqsave(&i8259A_lock, flags); - - v = inb(0xa1) << 8 | inb(0x21); - printk(KERN_DEBUG "... PIC IMR: %04x\n", v); - - v = inb(0xa0) << 8 | inb(0x20); - printk(KERN_DEBUG "... PIC IRR: %04x\n", v); - - outb(0x0b,0xa0); - outb(0x0b,0x20); - v = inb(0xa0) << 8 | inb(0x20); - outb(0x0a,0xa0); - outb(0x0a,0x20); - - spin_unlock_irqrestore(&i8259A_lock, flags); - - printk(KERN_DEBUG "... PIC ISR: %04x\n", v); - - v = inb(0x4d1) << 8 | inb(0x4d0); - printk(KERN_DEBUG "... PIC ELCR: %04x\n", v); -} - -__apicdebuginit(int) print_all_ICs(void) -{ - print_PIC(); - print_all_local_APICs(); - print_IO_APIC(); - - return 0; -} - -fs_initcall(print_all_ICs); - - -/* Where if anywhere is the i8259 connect in external int mode */ -static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; - -void __init enable_IO_APIC(void) -{ - union IO_APIC_reg_01 reg_01; - int i8259_apic, i8259_pin; - int apic; - unsigned long flags; - -#ifdef CONFIG_X86_32 - int i; - if (!pirqs_enabled) - for (i = 0; i < MAX_PIRQS; i++) - pirq_entries[i] = -1; -#endif - - /* - * The number of IO-APIC IRQ registers (== #pins): - */ - for (apic = 0; apic < nr_ioapics; apic++) { - spin_lock_irqsave(&ioapic_lock, flags); - reg_01.raw = io_apic_read(apic, 1); - spin_unlock_irqrestore(&ioapic_lock, flags); - nr_ioapic_registers[apic] = reg_01.bits.entries+1; - } - for(apic = 0; apic < nr_ioapics; apic++) { - int pin; - /* See if any of the pins is in ExtINT mode */ - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - struct IO_APIC_route_entry entry; - entry = ioapic_read_entry(apic, pin); - - /* If the interrupt line is enabled and in ExtInt mode - * I have found the pin where the i8259 is connected. - */ - if ((entry.mask == 0) && (entry.delivery_mode == dest_ExtINT)) { - ioapic_i8259.apic = apic; - ioapic_i8259.pin = pin; - goto found_i8259; - } - } - } - found_i8259: - /* Look to see what if the MP table has reported the ExtINT */ - /* If we could not find the appropriate pin by looking at the ioapic - * the i8259 probably is not connected the ioapic but give the - * mptable a chance anyway. - */ - i8259_pin = find_isa_irq_pin(0, mp_ExtINT); - i8259_apic = find_isa_irq_apic(0, mp_ExtINT); - /* Trust the MP table if nothing is setup in the hardware */ - if ((ioapic_i8259.pin == -1) && (i8259_pin >= 0)) { - printk(KERN_WARNING "ExtINT not setup in hardware but reported by MP table\n"); - ioapic_i8259.pin = i8259_pin; - ioapic_i8259.apic = i8259_apic; - } - /* Complain if the MP table and the hardware disagree */ - if (((ioapic_i8259.apic != i8259_apic) || (ioapic_i8259.pin != i8259_pin)) && - (i8259_pin >= 0) && (ioapic_i8259.pin >= 0)) - { - printk(KERN_WARNING "ExtINT in hardware and MP table differ\n"); - } - - /* - * Do not trust the IO-APIC being empty at bootup - */ - clear_IO_APIC(); -} - -/* - * Not an __init, needed by the reboot code - */ -void disable_IO_APIC(void) -{ - /* - * Clear the IO-APIC before rebooting: - */ - clear_IO_APIC(); - - /* - * If the i8259 is routed through an IOAPIC - * Put that IOAPIC in virtual wire mode - * so legacy interrupts can be delivered. - */ - if (ioapic_i8259.pin != -1) { - struct IO_APIC_route_entry entry; - - memset(&entry, 0, sizeof(entry)); - entry.mask = 0; /* Enabled */ - entry.trigger = 0; /* Edge */ - entry.irr = 0; - entry.polarity = 0; /* High */ - entry.delivery_status = 0; - entry.dest_mode = 0; /* Physical */ - entry.delivery_mode = dest_ExtINT; /* ExtInt */ - entry.vector = 0; - entry.dest = read_apic_id(); - - /* - * Add it to the IO-APIC irq-routing table: - */ - ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry); - } - - disconnect_bsp_APIC(ioapic_i8259.pin != -1); -} - -#ifdef CONFIG_X86_32 -/* - * function to set the IO-APIC physical IDs based on the - * values stored in the MPC table. - * - * by Matt Domsch Tue Dec 21 12:25:05 CST 1999 - */ - -static void __init setup_ioapic_ids_from_mpc(void) -{ - union IO_APIC_reg_00 reg_00; - physid_mask_t phys_id_present_map; - int apic; - int i; - unsigned char old_id; - unsigned long flags; - - if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids()) - return; - - /* - * Don't check I/O APIC IDs for xAPIC systems. They have - * no meaning without the serial APIC bus. - */ - if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) - || APIC_XAPIC(apic_version[boot_cpu_physical_apicid])) - return; - /* - * This is broken; anything with a real cpu count has to - * circumvent this idiocy regardless. - */ - phys_id_present_map = ioapic_phys_id_map(phys_cpu_present_map); - - /* - * Set the IOAPIC ID to the value stored in the MPC table. - */ - for (apic = 0; apic < nr_ioapics; apic++) { - - /* Read the register 0 value */ - spin_lock_irqsave(&ioapic_lock, flags); - reg_00.raw = io_apic_read(apic, 0); - spin_unlock_irqrestore(&ioapic_lock, flags); - - old_id = mp_ioapics[apic].mp_apicid; - - if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) { - printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n", - apic, mp_ioapics[apic].mp_apicid); - printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n", - reg_00.bits.ID); - mp_ioapics[apic].mp_apicid = reg_00.bits.ID; - } - - /* - * Sanity check, is the ID really free? Every APIC in a - * system must have a unique ID or we get lots of nice - * 'stuck on smp_invalidate_needed IPI wait' messages. - */ - if (check_apicid_used(phys_id_present_map, - mp_ioapics[apic].mp_apicid)) { - printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n", - apic, mp_ioapics[apic].mp_apicid); - for (i = 0; i < get_physical_broadcast(); i++) - if (!physid_isset(i, phys_id_present_map)) - break; - if (i >= get_physical_broadcast()) - panic("Max APIC ID exceeded!\n"); - printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n", - i); - physid_set(i, phys_id_present_map); - mp_ioapics[apic].mp_apicid = i; - } else { - physid_mask_t tmp; - tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid); - apic_printk(APIC_VERBOSE, "Setting %d in the " - "phys_id_present_map\n", - mp_ioapics[apic].mp_apicid); - physids_or(phys_id_present_map, phys_id_present_map, tmp); - } - - - /* - * We need to adjust the IRQ routing table - * if the ID changed. - */ - if (old_id != mp_ioapics[apic].mp_apicid) - for (i = 0; i < mp_irq_entries; i++) - if (mp_irqs[i].mp_dstapic == old_id) - mp_irqs[i].mp_dstapic - = mp_ioapics[apic].mp_apicid; - - /* - * Read the right value from the MPC table and - * write it into the ID register. - */ - apic_printk(APIC_VERBOSE, KERN_INFO - "...changing IO-APIC physical APIC ID to %d ...", - mp_ioapics[apic].mp_apicid); - - reg_00.bits.ID = mp_ioapics[apic].mp_apicid; - spin_lock_irqsave(&ioapic_lock, flags); - - /* - * Sanity check - */ - spin_lock_irqsave(&ioapic_lock, flags); - reg_00.raw = io_apic_read(apic, 0); - spin_unlock_irqrestore(&ioapic_lock, flags); - if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid) - printk("could not set ID!\n"); - else - apic_printk(APIC_VERBOSE, " ok.\n"); - } -} -#endif - -int no_timer_check __initdata; - -static int __init notimercheck(char *s) -{ - no_timer_check = 1; - return 1; -} -__setup("no_timer_check", notimercheck); - -/* - * There is a nasty bug in some older SMP boards, their mptable lies - * about the timer IRQ. We do the following to work around the situation: - * - * - timer IRQ defaults to IO-APIC IRQ - * - if this function detects that timer IRQs are defunct, then we fall - * back to ISA timer IRQs - */ -static int __init timer_irq_works(void) -{ - unsigned long t1 = jiffies; - unsigned long flags; - - if (no_timer_check) - return 1; - - local_save_flags(flags); - local_irq_enable(); - /* Let ten ticks pass... */ - mdelay((10 * 1000) / HZ); - local_irq_restore(flags); - - /* - * Expect a few ticks at least, to be sure some possible - * glue logic does not lock up after one or two first - * ticks in a non-ExtINT mode. Also the local APIC - * might have cached one ExtINT interrupt. Finally, at - * least one tick may be lost due to delays. - */ - - /* jiffies wrap? */ - if (time_after(jiffies, t1 + 4)) - return 1; - return 0; -} - -/* - * In the SMP+IOAPIC case it might happen that there are an unspecified - * number of pending IRQ events unhandled. These cases are very rare, - * so we 'resend' these IRQs via IPIs, to the same CPU. It's much - * better to do it this way as thus we do not have to be aware of - * 'pending' interrupts in the IRQ path, except at this point. - */ -/* - * Edge triggered needs to resend any interrupt - * that was delayed but this is now handled in the device - * independent code. - */ - -/* - * Starting up a edge-triggered IO-APIC interrupt is - * nasty - we need to make sure that we get the edge. - * If it is already asserted for some reason, we need - * return 1 to indicate that is was pending. - * - * This is not complete - we should be able to fake - * an edge even if it isn't on the 8259A... - */ - -static unsigned int startup_ioapic_irq(unsigned int irq) -{ - int was_pending = 0; - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - if (irq < 16) { - disable_8259A_irq(irq); - if (i8259A_irq_pending(irq)) - was_pending = 1; - } - __unmask_IO_APIC_irq(irq); - spin_unlock_irqrestore(&ioapic_lock, flags); - - return was_pending; -} - -#ifdef CONFIG_X86_64 -static int ioapic_retrigger_irq(unsigned int irq) -{ - - struct irq_cfg *cfg = irq_cfg(irq); - unsigned long flags; - - spin_lock_irqsave(&vector_lock, flags); - send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector); - spin_unlock_irqrestore(&vector_lock, flags); - - return 1; -} -#else -static int ioapic_retrigger_irq(unsigned int irq) -{ - send_IPI_self(irq_cfg(irq)->vector); - - return 1; -} -#endif - -/* - * Level and edge triggered IO-APIC interrupts need different handling, - * so we use two separate IRQ descriptors. Edge triggered IRQs can be - * handled with the level-triggered descriptor, but that one has slightly - * more overhead. Level-triggered interrupts cannot be handled with the - * edge-triggered handler, without risking IRQ storms and other ugly - * races. - */ - -#ifdef CONFIG_SMP - -#ifdef CONFIG_INTR_REMAP -static void ir_irq_migration(struct work_struct *work); - -static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration); - -/* - * Migrate the IO-APIC irq in the presence of intr-remapping. - * - * For edge triggered, irq migration is a simple atomic update(of vector - * and cpu destination) of IRTE and flush the hardware cache. - * - * For level triggered, we need to modify the io-apic RTE aswell with the update - * vector information, along with modifying IRTE with vector and destination. - * So irq migration for level triggered is little bit more complex compared to - * edge triggered migration. But the good news is, we use the same algorithm - * for level triggered migration as we have today, only difference being, - * we now initiate the irq migration from process context instead of the - * interrupt context. - * - * In future, when we do a directed EOI (combined with cpu EOI broadcast - * suppression) to the IO-APIC, level triggered irq migration will also be - * as simple as edge triggered migration and we can do the irq migration - * with a simple atomic update to IO-APIC RTE. - */ -static void migrate_ioapic_irq(int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - struct irq_desc *desc; - cpumask_t tmp, cleanup_mask; - struct irte irte; - int modify_ioapic_rte; - unsigned int dest; - unsigned long flags; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - if (get_irte(irq, &irte)) - return; - - if (assign_irq_vector(irq, mask)) - return; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - - desc = irq_to_desc(irq); - modify_ioapic_rte = desc->status & IRQ_LEVEL; - if (modify_ioapic_rte) { - spin_lock_irqsave(&ioapic_lock, flags); - __target_IO_APIC_irq(irq, dest, cfg->vector); - spin_unlock_irqrestore(&ioapic_lock, flags); - } - - irte.vector = cfg->vector; - irte.dest_id = IRTE_DEST(dest); - - /* - * Modified the IRTE and flushes the Interrupt entry cache. - */ - modify_irte(irq, &irte); - - if (cfg->move_in_progress) { - cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); - cfg->move_cleanup_count = cpus_weight(cleanup_mask); - send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); - cfg->move_in_progress = 0; - } - - desc->affinity = mask; -} - -static int migrate_irq_remapped_level(int irq) -{ - int ret = -1; - struct irq_desc *desc = irq_to_desc(irq); - - mask_IO_APIC_irq(irq); - - if (io_apic_level_ack_pending(irq)) { - /* - * Interrupt in progress. Migrating irq now will change the - * vector information in the IO-APIC RTE and that will confuse - * the EOI broadcast performed by cpu. - * So, delay the irq migration to the next instance. - */ - schedule_delayed_work(&ir_migration_work, 1); - goto unmask; - } - - /* everthing is clear. we have right of way */ - migrate_ioapic_irq(irq, desc->pending_mask); - - ret = 0; - desc->status &= ~IRQ_MOVE_PENDING; - cpus_clear(desc->pending_mask); - -unmask: - unmask_IO_APIC_irq(irq); - return ret; -} - -static void ir_irq_migration(struct work_struct *work) -{ - unsigned int irq; - struct irq_desc *desc; - - for_each_irq_desc(irq, desc) { - if (desc->status & IRQ_MOVE_PENDING) { - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - if (!desc->chip->set_affinity || - !(desc->status & IRQ_MOVE_PENDING)) { - desc->status &= ~IRQ_MOVE_PENDING; - spin_unlock_irqrestore(&desc->lock, flags); - continue; - } - - desc->chip->set_affinity(irq, desc->pending_mask); - spin_unlock_irqrestore(&desc->lock, flags); - } - } -} - -/* - * Migrates the IRQ destination in the process context. - */ -static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask) -{ - struct irq_desc *desc = irq_to_desc(irq); - - if (desc->status & IRQ_LEVEL) { - desc->status |= IRQ_MOVE_PENDING; - desc->pending_mask = mask; - migrate_irq_remapped_level(irq); - return; - } - - migrate_ioapic_irq(irq, mask); -} -#endif - -asmlinkage void smp_irq_move_cleanup_interrupt(void) -{ - unsigned vector, me; - ack_APIC_irq(); -#ifdef CONFIG_X86_64 - exit_idle(); -#endif - irq_enter(); - - me = smp_processor_id(); - for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) { - unsigned int irq; - struct irq_desc *desc; - struct irq_cfg *cfg; - irq = __get_cpu_var(vector_irq)[vector]; - - desc = irq_to_desc(irq); - if (!desc) - continue; - - cfg = irq_cfg(irq); - spin_lock(&desc->lock); - if (!cfg->move_cleanup_count) - goto unlock; - - if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) - goto unlock; - - __get_cpu_var(vector_irq)[vector] = -1; - cfg->move_cleanup_count--; -unlock: - spin_unlock(&desc->lock); - } - - irq_exit(); -} - -static void irq_complete_move(unsigned int irq) -{ - struct irq_cfg *cfg = irq_cfg(irq); - unsigned vector, me; - - if (likely(!cfg->move_in_progress)) - return; - - vector = ~get_irq_regs()->orig_ax; - me = smp_processor_id(); - if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) { - cpumask_t cleanup_mask; - - cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); - cfg->move_cleanup_count = cpus_weight(cleanup_mask); - send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); - cfg->move_in_progress = 0; - } -} -#else -static inline void irq_complete_move(unsigned int irq) {} -#endif -#ifdef CONFIG_INTR_REMAP -static void ack_x2apic_level(unsigned int irq) -{ - ack_x2APIC_irq(); -} - -static void ack_x2apic_edge(unsigned int irq) -{ - ack_x2APIC_irq(); -} -#endif - -static void ack_apic_edge(unsigned int irq) -{ - irq_complete_move(irq); - move_native_irq(irq); - ack_APIC_irq(); -} - -#ifdef CONFIG_X86_64 -static void ack_apic_level(unsigned int irq) -{ - int do_unmask_irq = 0; - - irq_complete_move(irq); -#ifdef CONFIG_GENERIC_PENDING_IRQ - /* If we are moving the irq we need to mask it */ - if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) { - do_unmask_irq = 1; - mask_IO_APIC_irq(irq); - } -#endif - - /* - * We must acknowledge the irq before we move it or the acknowledge will - * not propagate properly. - */ - ack_APIC_irq(); - - /* Now we can move and renable the irq */ - if (unlikely(do_unmask_irq)) { - /* Only migrate the irq if the ack has been received. - * - * On rare occasions the broadcast level triggered ack gets - * delayed going to ioapics, and if we reprogram the - * vector while Remote IRR is still set the irq will never - * fire again. - * - * To prevent this scenario we read the Remote IRR bit - * of the ioapic. This has two effects. - * - On any sane system the read of the ioapic will - * flush writes (and acks) going to the ioapic from - * this cpu. - * - We get to see if the ACK has actually been delivered. - * - * Based on failed experiments of reprogramming the - * ioapic entry from outside of irq context starting - * with masking the ioapic entry and then polling until - * Remote IRR was clear before reprogramming the - * ioapic I don't trust the Remote IRR bit to be - * completey accurate. - * - * However there appears to be no other way to plug - * this race, so if the Remote IRR bit is not - * accurate and is causing problems then it is a hardware bug - * and you can go talk to the chipset vendor about it. - */ - if (!io_apic_level_ack_pending(irq)) - move_masked_irq(irq); - unmask_IO_APIC_irq(irq); - } -} -#else -atomic_t irq_mis_count; -static void ack_apic_level(unsigned int irq) -{ - unsigned long v; - int i; - - irq_complete_move(irq); - move_native_irq(irq); - /* - * It appears there is an erratum which affects at least version 0x11 - * of I/O APIC (that's the 82093AA and cores integrated into various - * chipsets). Under certain conditions a level-triggered interrupt is - * erroneously delivered as edge-triggered one but the respective IRR - * bit gets set nevertheless. As a result the I/O unit expects an EOI - * message but it will never arrive and further interrupts are blocked - * from the source. The exact reason is so far unknown, but the - * phenomenon was observed when two consecutive interrupt requests - * from a given source get delivered to the same CPU and the source is - * temporarily disabled in between. - * - * A workaround is to simulate an EOI message manually. We achieve it - * by setting the trigger mode to edge and then to level when the edge - * trigger mode gets detected in the TMR of a local APIC for a - * level-triggered interrupt. We mask the source for the time of the - * operation to prevent an edge-triggered interrupt escaping meanwhile. - * The idea is from Manfred Spraul. --macro - */ - i = irq_cfg(irq)->vector; - - v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); - - ack_APIC_irq(); - - if (!(v & (1 << (i & 0x1f)))) { - atomic_inc(&irq_mis_count); - spin_lock(&ioapic_lock); - __mask_and_edge_IO_APIC_irq(irq); - __unmask_and_level_IO_APIC_irq(irq); - spin_unlock(&ioapic_lock); - } -} -#endif - -static struct irq_chip ioapic_chip __read_mostly = { - .name = "IO-APIC", - .startup = startup_ioapic_irq, - .mask = mask_IO_APIC_irq, - .unmask = unmask_IO_APIC_irq, - .ack = ack_apic_edge, - .eoi = ack_apic_level, -#ifdef CONFIG_SMP - .set_affinity = set_ioapic_affinity_irq, -#endif - .retrigger = ioapic_retrigger_irq, -}; - -#ifdef CONFIG_INTR_REMAP -static struct irq_chip ir_ioapic_chip __read_mostly = { - .name = "IR-IO-APIC", - .startup = startup_ioapic_irq, - .mask = mask_IO_APIC_irq, - .unmask = unmask_IO_APIC_irq, - .ack = ack_x2apic_edge, - .eoi = ack_x2apic_level, -#ifdef CONFIG_SMP - .set_affinity = set_ir_ioapic_affinity_irq, -#endif - .retrigger = ioapic_retrigger_irq, -}; -#endif - -static inline void init_IO_APIC_traps(void) -{ - int irq; - struct irq_desc *desc; - struct irq_cfg *cfg; - - /* - * NOTE! The local APIC isn't very good at handling - * multiple interrupts at the same interrupt level. - * As the interrupt level is determined by taking the - * vector number and shifting that right by 4, we - * want to spread these out a bit so that they don't - * all fall in the same interrupt level. - * - * Also, we've got to be careful not to trash gate - * 0x80, because int 0x80 is hm, kind of importantish. ;) - */ - for_each_irq_cfg(cfg) { - irq = cfg->irq; - if (IO_APIC_IRQ(irq) && !cfg->vector) { - /* - * Hmm.. We don't have an entry for this, - * so default to an old-fashioned 8259 - * interrupt if we can.. - */ - if (irq < 16) - make_8259A_irq(irq); - else { - desc = irq_to_desc(irq); - /* Strange. Oh, well.. */ - desc->chip = &no_irq_chip; - } - } - } -} - -/* - * The local APIC irq-chip implementation: - */ - -static void mask_lapic_irq(unsigned int irq) -{ - unsigned long v; - - v = apic_read(APIC_LVT0); - apic_write(APIC_LVT0, v | APIC_LVT_MASKED); -} - -static void unmask_lapic_irq(unsigned int irq) -{ - unsigned long v; - - v = apic_read(APIC_LVT0); - apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED); -} - -static void ack_lapic_irq (unsigned int irq) -{ - ack_APIC_irq(); -} - -static struct irq_chip lapic_chip __read_mostly = { - .name = "local-APIC", - .mask = mask_lapic_irq, - .unmask = unmask_lapic_irq, - .ack = ack_lapic_irq, -}; - -static void lapic_register_intr(int irq) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - desc->status &= ~IRQ_LEVEL; - set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq, - "edge"); -} - -static void __init setup_nmi(void) -{ - /* - * Dirty trick to enable the NMI watchdog ... - * We put the 8259A master into AEOI mode and - * unmask on all local APICs LVT0 as NMI. - * - * The idea to use the 8259A in AEOI mode ('8259A Virtual Wire') - * is from Maciej W. Rozycki - so we do not have to EOI from - * the NMI handler or the timer interrupt. - */ - apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ..."); - - enable_NMI_through_LVT0(); - - apic_printk(APIC_VERBOSE, " done.\n"); -} - -/* - * This looks a bit hackish but it's about the only one way of sending - * a few INTA cycles to 8259As and any associated glue logic. ICR does - * not support the ExtINT mode, unfortunately. We need to send these - * cycles as some i82489DX-based boards have glue logic that keeps the - * 8259A interrupt line asserted until INTA. --macro - */ -static inline void __init unlock_ExtINT_logic(void) -{ - int apic, pin, i; - struct IO_APIC_route_entry entry0, entry1; - unsigned char save_control, save_freq_select; - - pin = find_isa_irq_pin(8, mp_INT); - if (pin == -1) { - WARN_ON_ONCE(1); - return; - } - apic = find_isa_irq_apic(8, mp_INT); - if (apic == -1) { - WARN_ON_ONCE(1); - return; - } - - entry0 = ioapic_read_entry(apic, pin); - clear_IO_APIC_pin(apic, pin); - - memset(&entry1, 0, sizeof(entry1)); - - entry1.dest_mode = 0; /* physical delivery */ - entry1.mask = 0; /* unmask IRQ now */ - entry1.dest = hard_smp_processor_id(); - entry1.delivery_mode = dest_ExtINT; - entry1.polarity = entry0.polarity; - entry1.trigger = 0; - entry1.vector = 0; - - ioapic_write_entry(apic, pin, entry1); - - save_control = CMOS_READ(RTC_CONTROL); - save_freq_select = CMOS_READ(RTC_FREQ_SELECT); - CMOS_WRITE((save_freq_select & ~RTC_RATE_SELECT) | 0x6, - RTC_FREQ_SELECT); - CMOS_WRITE(save_control | RTC_PIE, RTC_CONTROL); - - i = 100; - while (i-- > 0) { - mdelay(10); - if ((CMOS_READ(RTC_INTR_FLAGS) & RTC_PF) == RTC_PF) - i -= 10; - } - - CMOS_WRITE(save_control, RTC_CONTROL); - CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); - clear_IO_APIC_pin(apic, pin); - - ioapic_write_entry(apic, pin, entry0); -} - -static int disable_timer_pin_1 __initdata; -/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ -static int __init disable_timer_pin_setup(char *arg) -{ - disable_timer_pin_1 = 1; - return 0; -} -early_param("disable_timer_pin_1", disable_timer_pin_setup); - -int timer_through_8259 __initdata; - -/* - * This code may look a bit paranoid, but it's supposed to cooperate with - * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ - * is so screwy. Thanks to Brian Perkins for testing/hacking this beast - * fanatically on his truly buggy board. - * - * FIXME: really need to revamp this for all platforms. - */ -static inline void __init check_timer(void) -{ - struct irq_cfg *cfg = irq_cfg(0); - int apic1, pin1, apic2, pin2; - unsigned long flags; - unsigned int ver; - int no_pin1 = 0; - - local_irq_save(flags); - - ver = apic_read(APIC_LVR); - ver = GET_APIC_VERSION(ver); - - /* - * get/set the timer IRQ vector: - */ - disable_8259A_irq(0); - assign_irq_vector(0, TARGET_CPUS); - - /* - * As IRQ0 is to be enabled in the 8259A, the virtual - * wire has to be disabled in the local APIC. Also - * timer interrupts need to be acknowledged manually in - * the 8259A for the i82489DX when using the NMI - * watchdog as that APIC treats NMIs as level-triggered. - * The AEOI mode will finish them in the 8259A - * automatically. - */ - apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); - init_8259A(1); -#ifdef CONFIG_X86_32 - timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver)); -#endif - - pin1 = find_isa_irq_pin(0, mp_INT); - apic1 = find_isa_irq_apic(0, mp_INT); - pin2 = ioapic_i8259.pin; - apic2 = ioapic_i8259.apic; - - apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X " - "apic1=%d pin1=%d apic2=%d pin2=%d\n", - cfg->vector, apic1, pin1, apic2, pin2); - - /* - * Some BIOS writers are clueless and report the ExtINTA - * I/O APIC input from the cascaded 8259A as the timer - * interrupt input. So just in case, if only one pin - * was found above, try it both directly and through the - * 8259A. - */ - if (pin1 == -1) { -#ifdef CONFIG_INTR_REMAP - if (intr_remapping_enabled) - panic("BIOS bug: timer not connected to IO-APIC"); -#endif - pin1 = pin2; - apic1 = apic2; - no_pin1 = 1; - } else if (pin2 == -1) { - pin2 = pin1; - apic2 = apic1; - } - - if (pin1 != -1) { - /* - * Ok, does IRQ0 through the IOAPIC work? - */ - if (no_pin1) { - add_pin_to_irq(0, apic1, pin1); - setup_timer_IRQ0_pin(apic1, pin1, cfg->vector); - } - unmask_IO_APIC_irq(0); - if (timer_irq_works()) { - if (nmi_watchdog == NMI_IO_APIC) { - setup_nmi(); - enable_8259A_irq(0); - } - if (disable_timer_pin_1 > 0) - clear_IO_APIC_pin(0, pin1); - goto out; - } -#ifdef CONFIG_INTR_REMAP - if (intr_remapping_enabled) - panic("timer doesn't work through Interrupt-remapped IO-APIC"); -#endif - clear_IO_APIC_pin(apic1, pin1); - if (!no_pin1) - apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: " - "8254 timer not connected to IO-APIC\n"); - - apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer " - "(IRQ0) through the 8259A ...\n"); - apic_printk(APIC_QUIET, KERN_INFO - "..... (found apic %d pin %d) ...\n", apic2, pin2); - /* - * legacy devices should be connected to IO APIC #0 - */ - replace_pin_at_irq(0, apic1, pin1, apic2, pin2); - setup_timer_IRQ0_pin(apic2, pin2, cfg->vector); - unmask_IO_APIC_irq(0); - enable_8259A_irq(0); - if (timer_irq_works()) { - apic_printk(APIC_QUIET, KERN_INFO "....... works.\n"); - timer_through_8259 = 1; - if (nmi_watchdog == NMI_IO_APIC) { - disable_8259A_irq(0); - setup_nmi(); - enable_8259A_irq(0); - } - goto out; - } - /* - * Cleanup, just in case ... - */ - disable_8259A_irq(0); - clear_IO_APIC_pin(apic2, pin2); - apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n"); - } - - if (nmi_watchdog == NMI_IO_APIC) { - apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work " - "through the IO-APIC - disabling NMI Watchdog!\n"); - nmi_watchdog = NMI_NONE; - } -#ifdef CONFIG_X86_32 - timer_ack = 0; -#endif - - apic_printk(APIC_QUIET, KERN_INFO - "...trying to set up timer as Virtual Wire IRQ...\n"); - - lapic_register_intr(0); - apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector); /* Fixed mode */ - enable_8259A_irq(0); - - if (timer_irq_works()) { - apic_printk(APIC_QUIET, KERN_INFO "..... works.\n"); - goto out; - } - disable_8259A_irq(0); - apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector); - apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n"); - - apic_printk(APIC_QUIET, KERN_INFO - "...trying to set up timer as ExtINT IRQ...\n"); - - init_8259A(0); - make_8259A_irq(0); - apic_write(APIC_LVT0, APIC_DM_EXTINT); - - unlock_ExtINT_logic(); - - if (timer_irq_works()) { - apic_printk(APIC_QUIET, KERN_INFO "..... works.\n"); - goto out; - } - apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n"); - panic("IO-APIC + timer doesn't work! Boot with apic=debug and send a " - "report. Then try booting with the 'noapic' option.\n"); -out: - local_irq_restore(flags); -} - -/* - * Traditionally ISA IRQ2 is the cascade IRQ, and is not available - * to devices. However there may be an I/O APIC pin available for - * this interrupt regardless. The pin may be left unconnected, but - * typically it will be reused as an ExtINT cascade interrupt for - * the master 8259A. In the MPS case such a pin will normally be - * reported as an ExtINT interrupt in the MP table. With ACPI - * there is no provision for ExtINT interrupts, and in the absence - * of an override it would be treated as an ordinary ISA I/O APIC - * interrupt, that is edge-triggered and unmasked by default. We - * used to do this, but it caused problems on some systems because - * of the NMI watchdog and sometimes IRQ0 of the 8254 timer using - * the same ExtINT cascade interrupt to drive the local APIC of the - * bootstrap processor. Therefore we refrain from routing IRQ2 to - * the I/O APIC in all cases now. No actual device should request - * it anyway. --macro - */ -#define PIC_IRQS (1 << PIC_CASCADE_IR) - -void __init setup_IO_APIC(void) -{ - -#ifdef CONFIG_X86_32 - enable_IO_APIC(); -#else - /* - * calling enable_IO_APIC() is moved to setup_local_APIC for BP - */ -#endif - - io_apic_irqs = ~PIC_IRQS; - - apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n"); - /* - * Set up IO-APIC IRQ routing. - */ -#ifdef CONFIG_X86_32 - if (!acpi_ioapic) - setup_ioapic_ids_from_mpc(); -#endif - sync_Arb_IDs(); - setup_IO_APIC_irqs(); - init_IO_APIC_traps(); - check_timer(); -} - -/* - * Called after all the initialization is done. If we didnt find any - * APIC bugs then we can allow the modify fast path - */ - -static int __init io_apic_bug_finalize(void) -{ - if (sis_apic_bug == -1) - sis_apic_bug = 0; - return 0; -} - -late_initcall(io_apic_bug_finalize); - -struct sysfs_ioapic_data { - struct sys_device dev; - struct IO_APIC_route_entry entry[0]; -}; -static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS]; - -static int ioapic_suspend(struct sys_device *dev, pm_message_t state) -{ - struct IO_APIC_route_entry *entry; - struct sysfs_ioapic_data *data; - int i; - - data = container_of(dev, struct sysfs_ioapic_data, dev); - entry = data->entry; - for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) - *entry = ioapic_read_entry(dev->id, i); - - return 0; -} - -static int ioapic_resume(struct sys_device *dev) -{ - struct IO_APIC_route_entry *entry; - struct sysfs_ioapic_data *data; - unsigned long flags; - union IO_APIC_reg_00 reg_00; - int i; - - data = container_of(dev, struct sysfs_ioapic_data, dev); - entry = data->entry; - - spin_lock_irqsave(&ioapic_lock, flags); - reg_00.raw = io_apic_read(dev->id, 0); - if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) { - reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid; - io_apic_write(dev->id, 0, reg_00.raw); - } - spin_unlock_irqrestore(&ioapic_lock, flags); - for (i = 0; i < nr_ioapic_registers[dev->id]; i++) - ioapic_write_entry(dev->id, i, entry[i]); - - return 0; -} - -static struct sysdev_class ioapic_sysdev_class = { - .name = "ioapic", - .suspend = ioapic_suspend, - .resume = ioapic_resume, -}; - -static int __init ioapic_init_sysfs(void) -{ - struct sys_device * dev; - int i, size, error; - - error = sysdev_class_register(&ioapic_sysdev_class); - if (error) - return error; - - for (i = 0; i < nr_ioapics; i++ ) { - size = sizeof(struct sys_device) + nr_ioapic_registers[i] - * sizeof(struct IO_APIC_route_entry); - mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL); - if (!mp_ioapic_data[i]) { - printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i); - continue; - } - dev = &mp_ioapic_data[i]->dev; - dev->id = i; - dev->cls = &ioapic_sysdev_class; - error = sysdev_register(dev); - if (error) { - kfree(mp_ioapic_data[i]); - mp_ioapic_data[i] = NULL; - printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i); - continue; - } - } - - return 0; -} - -device_initcall(ioapic_init_sysfs); - -/* - * Dynamic irq allocate and deallocation - */ -unsigned int create_irq_nr(unsigned int irq_want) -{ - /* Allocate an unused irq */ - unsigned int irq; - unsigned int new; - unsigned long flags; - struct irq_cfg *cfg_new; - -#ifndef CONFIG_HAVE_SPARSE_IRQ - irq_want = nr_irqs - 1; -#endif - - irq = 0; - spin_lock_irqsave(&vector_lock, flags); - for (new = irq_want; new > 0; new--) { - if (platform_legacy_irq(new)) - continue; - cfg_new = irq_cfg(new); - if (cfg_new && cfg_new->vector != 0) - continue; - /* check if need to create one */ - if (!cfg_new) - cfg_new = irq_cfg_alloc(new); - if (__assign_irq_vector(new, TARGET_CPUS) == 0) - irq = new; - break; - } - spin_unlock_irqrestore(&vector_lock, flags); - - if (irq > 0) { - dynamic_irq_init(irq); - } - return irq; -} - -int create_irq(void) -{ - int irq; - - irq = create_irq_nr(nr_irqs - 1); - - if (irq == 0) - irq = -1; - - return irq; -} - -void destroy_irq(unsigned int irq) -{ - unsigned long flags; - - dynamic_irq_cleanup(irq); - -#ifdef CONFIG_INTR_REMAP - free_irte(irq); -#endif - spin_lock_irqsave(&vector_lock, flags); - __clear_irq_vector(irq); - spin_unlock_irqrestore(&vector_lock, flags); -} - -/* - * MSI message composition - */ -#ifdef CONFIG_PCI_MSI -static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg) -{ - struct irq_cfg *cfg; - int err; - unsigned dest; - cpumask_t tmp; - - tmp = TARGET_CPUS; - err = assign_irq_vector(irq, tmp); - if (err) - return err; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, tmp); - dest = cpu_mask_to_apicid(tmp); - -#ifdef CONFIG_INTR_REMAP - if (irq_remapped(irq)) { - struct irte irte; - int ir_index; - u16 sub_handle; - - ir_index = map_irq_to_irte_handle(irq, &sub_handle); - BUG_ON(ir_index == -1); - - memset (&irte, 0, sizeof(irte)); - - irte.present = 1; - irte.dst_mode = INT_DEST_MODE; - irte.trigger_mode = 0; /* edge */ - irte.dlvry_mode = INT_DELIVERY_MODE; - irte.vector = cfg->vector; - irte.dest_id = IRTE_DEST(dest); - - modify_irte(irq, &irte); - - msg->address_hi = MSI_ADDR_BASE_HI; - msg->data = sub_handle; - msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_IR_EXT_INT | - MSI_ADDR_IR_SHV | - MSI_ADDR_IR_INDEX1(ir_index) | - MSI_ADDR_IR_INDEX2(ir_index); - } else -#endif - { - msg->address_hi = MSI_ADDR_BASE_HI; - msg->address_lo = - MSI_ADDR_BASE_LO | - ((INT_DEST_MODE == 0) ? - MSI_ADDR_DEST_MODE_PHYSICAL: - MSI_ADDR_DEST_MODE_LOGICAL) | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - MSI_ADDR_REDIRECTION_CPU: - MSI_ADDR_REDIRECTION_LOWPRI) | - MSI_ADDR_DEST_ID(dest); - - msg->data = - MSI_DATA_TRIGGER_EDGE | - MSI_DATA_LEVEL_ASSERT | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - MSI_DATA_DELIVERY_FIXED: - MSI_DATA_DELIVERY_LOWPRI) | - MSI_DATA_VECTOR(cfg->vector); - } - return err; -} - -#ifdef CONFIG_SMP -static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - struct msi_msg msg; - unsigned int dest; - cpumask_t tmp; - struct irq_desc *desc; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - if (assign_irq_vector(irq, mask)) - return; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - - read_msi_msg(irq, &msg); - - msg.data &= ~MSI_DATA_VECTOR_MASK; - msg.data |= MSI_DATA_VECTOR(cfg->vector); - msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; - msg.address_lo |= MSI_ADDR_DEST_ID(dest); - - write_msi_msg(irq, &msg); - desc = irq_to_desc(irq); - desc->affinity = mask; -} - -#ifdef CONFIG_INTR_REMAP -/* - * Migrate the MSI irq to another cpumask. This migration is - * done in the process context using interrupt-remapping hardware. - */ -static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - unsigned int dest; - cpumask_t tmp, cleanup_mask; - struct irte irte; - struct irq_desc *desc; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - if (get_irte(irq, &irte)) - return; - - if (assign_irq_vector(irq, mask)) - return; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - - irte.vector = cfg->vector; - irte.dest_id = IRTE_DEST(dest); - - /* - * atomically update the IRTE with the new destination and vector. - */ - modify_irte(irq, &irte); - - /* - * After this point, all the interrupts will start arriving - * at the new destination. So, time to cleanup the previous - * vector allocation. - */ - if (cfg->move_in_progress) { - cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map); - cfg->move_cleanup_count = cpus_weight(cleanup_mask); - send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR); - cfg->move_in_progress = 0; - } - - desc = irq_to_desc(irq); - desc->affinity = mask; -} -#endif -#endif /* CONFIG_SMP */ - -/* - * IRQ Chip for MSI PCI/PCI-X/PCI-Express Devices, - * which implement the MSI or MSI-X Capability Structure. - */ -static struct irq_chip msi_chip = { - .name = "PCI-MSI", - .unmask = unmask_msi_irq, - .mask = mask_msi_irq, - .ack = ack_apic_edge, -#ifdef CONFIG_SMP - .set_affinity = set_msi_irq_affinity, -#endif - .retrigger = ioapic_retrigger_irq, -}; - -#ifdef CONFIG_INTR_REMAP -static struct irq_chip msi_ir_chip = { - .name = "IR-PCI-MSI", - .unmask = unmask_msi_irq, - .mask = mask_msi_irq, - .ack = ack_x2apic_edge, -#ifdef CONFIG_SMP - .set_affinity = ir_set_msi_irq_affinity, -#endif - .retrigger = ioapic_retrigger_irq, -}; - -/* - * Map the PCI dev to the corresponding remapping hardware unit - * and allocate 'nvec' consecutive interrupt-remapping table entries - * in it. - */ -static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec) -{ - struct intel_iommu *iommu; - int index; - - iommu = map_dev_to_ir(dev); - if (!iommu) { - printk(KERN_ERR - "Unable to map PCI %s to iommu\n", pci_name(dev)); - return -ENOENT; - } - - index = alloc_irte(iommu, irq, nvec); - if (index < 0) { - printk(KERN_ERR - "Unable to allocate %d IRTE for PCI %s\n", nvec, - pci_name(dev)); - return -ENOSPC; - } - return index; -} -#endif - -static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) -{ - int ret; - struct msi_msg msg; - - ret = msi_compose_msg(dev, irq, &msg); - if (ret < 0) - return ret; - - set_irq_msi(irq, desc); - write_msi_msg(irq, &msg); - -#ifdef CONFIG_INTR_REMAP - if (irq_remapped(irq)) { - struct irq_desc *desc = irq_to_desc(irq); - /* - * irq migration in process context - */ - desc->status |= IRQ_MOVE_PCNTXT; - set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge"); - } else -#endif - set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); - - return 0; -} - -static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) -{ - unsigned int irq; - - irq = dev->bus->number; - irq <<= 8; - irq |= dev->devfn; - irq <<= 12; - - return irq; -} - -int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) -{ - unsigned int irq; - int ret; - unsigned int irq_want; - - irq_want = build_irq_for_pci_dev(dev) + 0x100; - - irq = create_irq_nr(irq_want); - if (irq == 0) - return -1; - -#ifdef CONFIG_INTR_REMAP - if (!intr_remapping_enabled) - goto no_ir; - - ret = msi_alloc_irte(dev, irq, 1); - if (ret < 0) - goto error; -no_ir: -#endif - ret = setup_msi_irq(dev, desc, irq); - if (ret < 0) { - destroy_irq(irq); - return ret; - } - return 0; - -#ifdef CONFIG_INTR_REMAP -error: - destroy_irq(irq); - return ret; -#endif -} - -int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) -{ - unsigned int irq; - int ret, sub_handle; - struct msi_desc *desc; - unsigned int irq_want; - -#ifdef CONFIG_INTR_REMAP - struct intel_iommu *iommu = 0; - int index = 0; -#endif - - irq_want = build_irq_for_pci_dev(dev) + 0x100; - sub_handle = 0; - list_for_each_entry(desc, &dev->msi_list, list) { - irq = create_irq_nr(irq_want--); - if (irq == 0) - return -1; -#ifdef CONFIG_INTR_REMAP - if (!intr_remapping_enabled) - goto no_ir; - - if (!sub_handle) { - /* - * allocate the consecutive block of IRTE's - * for 'nvec' - */ - index = msi_alloc_irte(dev, irq, nvec); - if (index < 0) { - ret = index; - goto error; - } - } else { - iommu = map_dev_to_ir(dev); - if (!iommu) { - ret = -ENOENT; - goto error; - } - /* - * setup the mapping between the irq and the IRTE - * base index, the sub_handle pointing to the - * appropriate interrupt remap table entry. - */ - set_irte_irq(irq, iommu, index, sub_handle); - } -no_ir: -#endif - ret = setup_msi_irq(dev, desc, irq); - if (ret < 0) - goto error; - sub_handle++; - } - return 0; - -error: - destroy_irq(irq); - return ret; -} - -void arch_teardown_msi_irq(unsigned int irq) -{ - destroy_irq(irq); -} - -#ifdef CONFIG_DMAR -#ifdef CONFIG_SMP -static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - struct msi_msg msg; - unsigned int dest; - cpumask_t tmp; - struct irq_desc *desc; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - if (assign_irq_vector(irq, mask)) - return; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - - dmar_msi_read(irq, &msg); - - msg.data &= ~MSI_DATA_VECTOR_MASK; - msg.data |= MSI_DATA_VECTOR(cfg->vector); - msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; - msg.address_lo |= MSI_ADDR_DEST_ID(dest); - - dmar_msi_write(irq, &msg); - desc = irq_to_desc(irq); - desc->affinity = mask; -} -#endif /* CONFIG_SMP */ - -struct irq_chip dmar_msi_type = { - .name = "DMAR_MSI", - .unmask = dmar_msi_unmask, - .mask = dmar_msi_mask, - .ack = ack_apic_edge, -#ifdef CONFIG_SMP - .set_affinity = dmar_msi_set_affinity, -#endif - .retrigger = ioapic_retrigger_irq, -}; - -int arch_setup_dmar_msi(unsigned int irq) -{ - int ret; - struct msi_msg msg; - - ret = msi_compose_msg(NULL, irq, &msg); - if (ret < 0) - return ret; - dmar_msi_write(irq, &msg); - set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq, - "edge"); - return 0; -} -#endif - -#endif /* CONFIG_PCI_MSI */ -/* - * Hypertransport interrupt support - */ -#ifdef CONFIG_HT_IRQ - -#ifdef CONFIG_SMP - -static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector) -{ - struct ht_irq_msg msg; - fetch_ht_irq_msg(irq, &msg); - - msg.address_lo &= ~(HT_IRQ_LOW_VECTOR_MASK | HT_IRQ_LOW_DEST_ID_MASK); - msg.address_hi &= ~(HT_IRQ_HIGH_DEST_ID_MASK); - - msg.address_lo |= HT_IRQ_LOW_VECTOR(vector) | HT_IRQ_LOW_DEST_ID(dest); - msg.address_hi |= HT_IRQ_HIGH_DEST_ID(dest); - - write_ht_irq_msg(irq, &msg); -} - -static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask) -{ - struct irq_cfg *cfg; - unsigned int dest; - cpumask_t tmp; - struct irq_desc *desc; - - cpus_and(tmp, mask, cpu_online_map); - if (cpus_empty(tmp)) - return; - - if (assign_irq_vector(irq, mask)) - return; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, mask); - dest = cpu_mask_to_apicid(tmp); - - target_ht_irq(irq, dest, cfg->vector); - desc = irq_to_desc(irq); - desc->affinity = mask; -} -#endif - -static struct irq_chip ht_irq_chip = { - .name = "PCI-HT", - .mask = mask_ht_irq, - .unmask = unmask_ht_irq, - .ack = ack_apic_edge, -#ifdef CONFIG_SMP - .set_affinity = set_ht_irq_affinity, -#endif - .retrigger = ioapic_retrigger_irq, -}; - -int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) -{ - struct irq_cfg *cfg; - int err; - cpumask_t tmp; - - tmp = TARGET_CPUS; - err = assign_irq_vector(irq, tmp); - if (!err) { - struct ht_irq_msg msg; - unsigned dest; - - cfg = irq_cfg(irq); - cpus_and(tmp, cfg->domain, tmp); - dest = cpu_mask_to_apicid(tmp); - - msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest); - - msg.address_lo = - HT_IRQ_LOW_BASE | - HT_IRQ_LOW_DEST_ID(dest) | - HT_IRQ_LOW_VECTOR(cfg->vector) | - ((INT_DEST_MODE == 0) ? - HT_IRQ_LOW_DM_PHYSICAL : - HT_IRQ_LOW_DM_LOGICAL) | - HT_IRQ_LOW_RQEOI_EDGE | - ((INT_DELIVERY_MODE != dest_LowestPrio) ? - HT_IRQ_LOW_MT_FIXED : - HT_IRQ_LOW_MT_ARBITRATED) | - HT_IRQ_LOW_IRQ_MASKED; - - write_ht_irq_msg(irq, &msg); - - set_irq_chip_and_handler_name(irq, &ht_irq_chip, - handle_edge_irq, "edge"); - } - return err; -} -#endif /* CONFIG_HT_IRQ */ - -/* -------------------------------------------------------------------------- - ACPI-based IOAPIC Configuration - -------------------------------------------------------------------------- */ - -#ifdef CONFIG_ACPI - -#ifdef CONFIG_X86_32 -int __init io_apic_get_unique_id(int ioapic, int apic_id) -{ - union IO_APIC_reg_00 reg_00; - static physid_mask_t apic_id_map = PHYSID_MASK_NONE; - physid_mask_t tmp; - unsigned long flags; - int i = 0; - - /* - * The P4 platform supports up to 256 APIC IDs on two separate APIC - * buses (one for LAPICs, one for IOAPICs), where predecessors only - * supports up to 16 on one shared APIC bus. - * - * TBD: Expand LAPIC/IOAPIC support on P4-class systems to take full - * advantage of new APIC bus architecture. - */ - - if (physids_empty(apic_id_map)) - apic_id_map = ioapic_phys_id_map(phys_cpu_present_map); - - spin_lock_irqsave(&ioapic_lock, flags); - reg_00.raw = io_apic_read(ioapic, 0); - spin_unlock_irqrestore(&ioapic_lock, flags); - - if (apic_id >= get_physical_broadcast()) { - printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying " - "%d\n", ioapic, apic_id, reg_00.bits.ID); - apic_id = reg_00.bits.ID; - } - - /* - * Every APIC in a system must have a unique ID or we get lots of nice - * 'stuck on smp_invalidate_needed IPI wait' messages. - */ - if (check_apicid_used(apic_id_map, apic_id)) { - - for (i = 0; i < get_physical_broadcast(); i++) { - if (!check_apicid_used(apic_id_map, i)) - break; - } - - if (i == get_physical_broadcast()) - panic("Max apic_id exceeded!\n"); - - printk(KERN_WARNING "IOAPIC[%d]: apic_id %d already used, " - "trying %d\n", ioapic, apic_id, i); - - apic_id = i; - } - - tmp = apicid_to_cpu_present(apic_id); - physids_or(apic_id_map, apic_id_map, tmp); - - if (reg_00.bits.ID != apic_id) { - reg_00.bits.ID = apic_id; - - spin_lock_irqsave(&ioapic_lock, flags); - io_apic_write(ioapic, 0, reg_00.raw); - reg_00.raw = io_apic_read(ioapic, 0); - spin_unlock_irqrestore(&ioapic_lock, flags); - - /* Sanity check */ - if (reg_00.bits.ID != apic_id) { - printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic); - return -1; - } - } - - apic_printk(APIC_VERBOSE, KERN_INFO - "IOAPIC[%d]: Assigned apic_id %d\n", ioapic, apic_id); - - return apic_id; -} - -int __init io_apic_get_version(int ioapic) -{ - union IO_APIC_reg_01 reg_01; - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - reg_01.raw = io_apic_read(ioapic, 1); - spin_unlock_irqrestore(&ioapic_lock, flags); - - return reg_01.bits.version; -} -#endif - -int __init io_apic_get_redir_entries (int ioapic) -{ - union IO_APIC_reg_01 reg_01; - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - reg_01.raw = io_apic_read(ioapic, 1); - spin_unlock_irqrestore(&ioapic_lock, flags); - - return reg_01.bits.entries; -} - - -int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity) -{ - if (!IO_APIC_IRQ(irq)) { - apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n", - ioapic); - return -EINVAL; - } - - /* - * IRQs < 16 are already in the irq_2_pin[] map - */ - if (irq >= 16) - add_pin_to_irq(irq, ioapic, pin); - - setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity); - - return 0; -} - - -int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity) -{ - int i; - - if (skip_ioapic_setup) - return -1; - - for (i = 0; i < mp_irq_entries; i++) - if (mp_irqs[i].mp_irqtype == mp_INT && - mp_irqs[i].mp_srcbusirq == bus_irq) - break; - if (i >= mp_irq_entries) - return -1; - - *trigger = irq_trigger(i); - *polarity = irq_polarity(i); - return 0; -} - -#endif /* CONFIG_ACPI */ - -/* - * This function currently is only a helper for the i386 smp boot process where - * we need to reprogram the ioredtbls to cater for the cpus which have come online - * so mask in all cases should simply be TARGET_CPUS - */ -#ifdef CONFIG_SMP -void __init setup_ioapic_dest(void) -{ - int pin, ioapic, irq, irq_entry; - struct irq_cfg *cfg; - - if (skip_ioapic_setup == 1) - return; - - for (ioapic = 0; ioapic < nr_ioapics; ioapic++) { - for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) { - irq_entry = find_irq_entry(ioapic, pin, mp_INT); - if (irq_entry == -1) - continue; - irq = pin_2_irq(irq_entry, ioapic, pin); - - /* setup_IO_APIC_irqs could fail to get vector for some device - * when you have too many devices, because at that time only boot - * cpu is online. - */ - cfg = irq_cfg(irq); - if (!cfg->vector) - setup_IO_APIC_irq(ioapic, pin, irq, - irq_trigger(irq_entry), - irq_polarity(irq_entry)); -#ifdef CONFIG_INTR_REMAP - else if (intr_remapping_enabled) - set_ir_ioapic_affinity_irq(irq, TARGET_CPUS); -#endif - else - set_ioapic_affinity_irq(irq, TARGET_CPUS); - } - - } -} -#endif - -#ifdef CONFIG_X86_64 -#define IOAPIC_RESOURCE_NAME_SIZE 11 - -static struct resource *ioapic_resources; - -static struct resource * __init ioapic_setup_resources(void) -{ - unsigned long n; - struct resource *res; - char *mem; - int i; - - if (nr_ioapics <= 0) - return NULL; - - n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource); - n *= nr_ioapics; - - mem = alloc_bootmem(n); - res = (void *)mem; - - if (mem != NULL) { - mem += sizeof(struct resource) * nr_ioapics; - - for (i = 0; i < nr_ioapics; i++) { - res[i].name = mem; - res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY; - sprintf(mem, "IOAPIC %u", i); - mem += IOAPIC_RESOURCE_NAME_SIZE; - } - } - - ioapic_resources = res; - - return res; -} -#endif - -void __init ioapic_init_mappings(void) -{ - unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; - int i; -#ifdef CONFIG_X86_64 - struct resource *ioapic_res; - - ioapic_res = ioapic_setup_resources(); -#endif - for (i = 0; i < nr_ioapics; i++) { - if (smp_found_config) { - ioapic_phys = mp_ioapics[i].mp_apicaddr; -#ifdef CONFIG_X86_32 - if (!ioapic_phys) { - printk(KERN_ERR - "WARNING: bogus zero IO-APIC " - "address found in MPTABLE, " - "disabling IO/APIC support!\n"); - smp_found_config = 0; - skip_ioapic_setup = 1; - goto fake_ioapic_page; - } -#endif - } else { -#ifdef CONFIG_X86_32 -fake_ioapic_page: -#endif - ioapic_phys = (unsigned long) - alloc_bootmem_pages(PAGE_SIZE); - ioapic_phys = __pa(ioapic_phys); - } - set_fixmap_nocache(idx, ioapic_phys); - apic_printk(APIC_VERBOSE, - "mapped IOAPIC to %08lx (%08lx)\n", - __fix_to_virt(idx), ioapic_phys); - idx++; - -#ifdef CONFIG_X86_64 - if (ioapic_res != NULL) { - ioapic_res->start = ioapic_phys; - ioapic_res->end = ioapic_phys + (4 * 1024) - 1; - ioapic_res++; - } -#endif - } -} - -#ifdef CONFIG_X86_64 -static int __init ioapic_insert_resources(void) -{ - int i; - struct resource *r = ioapic_resources; - - if (!r) { - printk(KERN_ERR - "IO APIC resources could be not be allocated.\n"); - return -1; - } - - for (i = 0; i < nr_ioapics; i++) { - insert_resource(&iomem_resource, r); - r++; - } - - return 0; -} - -/* Insert the IO APIC resources after PCI initialization has occured to handle - * IO APICS that are mapped in on a BAR in PCI space. */ -late_initcall(ioapic_insert_resources); -#endif -- GitLab From c691cc84529ec88ccb32b174535bb61875888c90 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:43 -0700 Subject: [PATCH 5130/6244] io_apic: make 32 bit have io_apic resource in /proc/iomem Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index fba6d6ee3480..7e303e0967a4 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3802,7 +3802,6 @@ void __init setup_ioapic_dest(void) } #endif -#ifdef CONFIG_X86_64 #define IOAPIC_RESOURCE_NAME_SIZE 11 static struct resource *ioapic_resources; @@ -3838,17 +3837,14 @@ static struct resource * __init ioapic_setup_resources(void) return res; } -#endif void __init ioapic_init_mappings(void) { unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; int i; -#ifdef CONFIG_X86_64 struct resource *ioapic_res; ioapic_res = ioapic_setup_resources(); -#endif for (i = 0; i < nr_ioapics; i++) { if (smp_found_config) { ioapic_phys = mp_ioapics[i].mp_apicaddr; @@ -3877,17 +3873,14 @@ fake_ioapic_page: __fix_to_virt(idx), ioapic_phys); idx++; -#ifdef CONFIG_X86_64 if (ioapic_res != NULL) { ioapic_res->start = ioapic_phys; ioapic_res->end = ioapic_phys + (4 * 1024) - 1; ioapic_res++; } -#endif } } -#ifdef CONFIG_X86_64 static int __init ioapic_insert_resources(void) { int i; @@ -3910,4 +3903,3 @@ static int __init ioapic_insert_resources(void) /* Insert the IO APIC resources after PCI initialization has occured to handle * IO APICS that are mapped in on a BAR in PCI space. */ late_initcall(ioapic_insert_resources); -#endif -- GitLab From 42379b1122bab7f9aefdbd4b7004a6fa89dfbae5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:45 -0700 Subject: [PATCH 5131/6244] pci: change msi-x vector to 32bit we are using 28bit pci (bus/dev/fn + 12 bits) as irq number, so the cache for irq number should be 32 bit too. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/scsi/qla2xxx/qla_def.h | 2 +- include/linux/pci.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 83c819216771..f25f41a499e5 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2108,7 +2108,7 @@ struct scsi_qla_host; struct qla_msix_entry { int have_irq; - uint16_t msix_vector; + uint32_t msix_vector; uint16_t msix_entry; }; diff --git a/include/linux/pci.h b/include/linux/pci.h index 98dc6243a706..1f8db240ca48 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -723,7 +723,7 @@ enum pci_dma_burst_strategy { }; struct msix_entry { - u16 vector; /* kernel uses to write allocated vector */ + u32 vector; /* kernel uses to write allocated vector */ u16 entry; /* driver uses to specify entry, OS writes */ }; -- GitLab From bcd562607f17b0c9f9ae96af849894dd06645f63 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:46 -0700 Subject: [PATCH 5132/6244] x86: irq: interrupt array size should be NR_VECTORS Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/asm-x86/hw_irq.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 51c787d17cbc..39c7a4745d25 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -115,7 +115,7 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *); #endif #ifdef CONFIG_X86_32 -extern void (*const interrupt[NR_IRQS])(void); +extern void (*const interrupt[NR_VECTORS])(void); #endif typedef int vector_irq_t[NR_VECTORS]; -- GitLab From 4e738e2f307113feaedebae147c3e0d072e39648 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:47 -0700 Subject: [PATCH 5133/6244] x86: unify mask_IO_APIC_irq use MACRO for 32 bit too Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 80 ++++++++++----------------------------- 1 file changed, 21 insertions(+), 59 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 7e303e0967a4..099696109ca8 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -610,18 +610,7 @@ static void __init replace_pin_at_irq(unsigned int irq, add_pin_to_irq(irq, newapic, newpin); } -#ifdef CONFIG_X86_64 -/* - * Synchronize the IO-APIC and the CPU by doing - * a dummy read from the IO-APIC - */ -static inline void io_apic_sync(unsigned int apic) -{ - struct io_apic __iomem *io_apic = io_apic_base(apic); - readl(&io_apic->data); -} - -#define __DO_ACTION(R, ACTION, FINAL) \ +#define __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL) \ \ { \ int pin; \ @@ -636,7 +625,8 @@ static inline void io_apic_sync(unsigned int apic) break; \ pin = entry->pin; \ reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ - reg ACTION; \ + reg ACTION_DISABLE; \ + reg ACTION_ENABLE; \ io_apic_modify(entry->apic, 0x10 + R + pin*2, reg); \ FINAL; \ if (!entry->next) \ @@ -645,66 +635,38 @@ static inline void io_apic_sync(unsigned int apic) } \ } -#define DO_ACTION(name,R,ACTION, FINAL) \ +#define DO_ACTION(name,R, ACTION_ENABLE, ACTION_DISABLE, FINAL) \ \ static void name##_IO_APIC_irq (unsigned int irq) \ - __DO_ACTION(R, ACTION, FINAL) - -/* mask = 1 */ -DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic)) + __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL) /* mask = 0 */ -DO_ACTION(__unmask, 0, &= ~IO_APIC_REDIR_MASKED, ) +DO_ACTION(__unmask, 0, |= 0, &= ~IO_APIC_REDIR_MASKED, ) -#else - -static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable) +#ifdef CONFIG_X86_64 +/* + * Synchronize the IO-APIC and the CPU by doing + * a dummy read from the IO-APIC + */ +static inline void io_apic_sync(unsigned int apic) { - struct irq_cfg *cfg; - struct irq_pin_list *entry; - unsigned int pin, reg; - - cfg = irq_cfg(irq); - entry = cfg->irq_2_pin; - for (;;) { - if (!entry) - break; - pin = entry->pin; - reg = io_apic_read(entry->apic, 0x10 + pin*2); - reg &= ~disable; - reg |= enable; - io_apic_modify(entry->apic, 0x10 + pin*2, reg); - if (!entry->next) - break; - entry = entry->next; - } + struct io_apic __iomem *io_apic = io_apic_base(apic); + readl(&io_apic->data); } /* mask = 1 */ -static void __mask_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0); -} +DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, &= ~0, io_apic_sync(entry->apic)) -/* mask = 0 */ -static void __unmask_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED); -} +#else + +/* mask = 1 */ +DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, &= ~0, ) /* mask = 1, trigger = 0 */ -static void __mask_and_edge_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, - IO_APIC_REDIR_LEVEL_TRIGGER); -} +DO_ACTION(__mask_and_edge, 0, |= IO_APIC_REDIR_MASKED, &= ~IO_APIC_REDIR_LEVEL_TRIGGER, ) /* mask = 0, trigger = 1 */ -static void __unmask_and_level_IO_APIC_irq(unsigned int irq) -{ - __modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER, - IO_APIC_REDIR_MASKED); -} +DO_ACTION(__unmask_and_level, 0, |= IO_APIC_REDIR_LEVEL_TRIGGER, &= ~IO_APIC_REDIR_MASKED, ) #endif -- GitLab From 3eb2cce84beae8fd41de950569cafd5bca7edd5d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:48 -0700 Subject: [PATCH 5134/6244] x86: unify ack_apic_edge use code in 64 to replace move_native_irq(irq, desc); in 32 bit Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 73 +++++++++++++++++++-------------------- 1 file changed, 35 insertions(+), 38 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 099696109ca8..a466b04ad5a4 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -389,7 +389,6 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned writel(value, &io_apic->data); } -#ifdef CONFIG_X86_64 static bool io_apic_level_ack_pending(unsigned int irq) { struct irq_pin_list *entry; @@ -419,7 +418,6 @@ static bool io_apic_level_ack_pending(unsigned int irq) return false; } -#endif union entry_union { struct { u32 w1, w2; }; @@ -2398,9 +2396,16 @@ static void ack_apic_edge(unsigned int irq) ack_APIC_irq(); } -#ifdef CONFIG_X86_64 +#ifdef CONFIG_X86_32 +atomic_t irq_mis_count; +#endif + static void ack_apic_level(unsigned int irq) { +#ifdef CONFIG_X86_32 + unsigned long v; + int i; +#endif int do_unmask_irq = 0; irq_complete_move(irq); @@ -2412,6 +2417,31 @@ static void ack_apic_level(unsigned int irq) } #endif +#ifdef CONFIG_X86_32 + /* + * It appears there is an erratum which affects at least version 0x11 + * of I/O APIC (that's the 82093AA and cores integrated into various + * chipsets). Under certain conditions a level-triggered interrupt is + * erroneously delivered as edge-triggered one but the respective IRR + * bit gets set nevertheless. As a result the I/O unit expects an EOI + * message but it will never arrive and further interrupts are blocked + * from the source. The exact reason is so far unknown, but the + * phenomenon was observed when two consecutive interrupt requests + * from a given source get delivered to the same CPU and the source is + * temporarily disabled in between. + * + * A workaround is to simulate an EOI message manually. We achieve it + * by setting the trigger mode to edge and then to level when the edge + * trigger mode gets detected in the TMR of a local APIC for a + * level-triggered interrupt. We mask the source for the time of the + * operation to prevent an edge-triggered interrupt escaping meanwhile. + * The idea is from Manfred Spraul. --macro + */ + i = irq_cfg(irq)->vector; + + v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); +#endif + /* * We must acknowledge the irq before we move it or the acknowledge will * not propagate properly. @@ -2450,41 +2480,8 @@ static void ack_apic_level(unsigned int irq) move_masked_irq(irq); unmask_IO_APIC_irq(irq); } -} -#else -atomic_t irq_mis_count; -static void ack_apic_level(unsigned int irq) -{ - unsigned long v; - int i; - - irq_complete_move(irq); - move_native_irq(irq); - /* - * It appears there is an erratum which affects at least version 0x11 - * of I/O APIC (that's the 82093AA and cores integrated into various - * chipsets). Under certain conditions a level-triggered interrupt is - * erroneously delivered as edge-triggered one but the respective IRR - * bit gets set nevertheless. As a result the I/O unit expects an EOI - * message but it will never arrive and further interrupts are blocked - * from the source. The exact reason is so far unknown, but the - * phenomenon was observed when two consecutive interrupt requests - * from a given source get delivered to the same CPU and the source is - * temporarily disabled in between. - * - * A workaround is to simulate an EOI message manually. We achieve it - * by setting the trigger mode to edge and then to level when the edge - * trigger mode gets detected in the TMR of a local APIC for a - * level-triggered interrupt. We mask the source for the time of the - * operation to prevent an edge-triggered interrupt escaping meanwhile. - * The idea is from Manfred Spraul. --macro - */ - i = irq_cfg(irq)->vector; - - v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1)); - - ack_APIC_irq(); +#ifdef CONFIG_X86_32 if (!(v & (1 << (i & 0x1f)))) { atomic_inc(&irq_mis_count); spin_lock(&ioapic_lock); @@ -2492,8 +2489,8 @@ static void ack_apic_level(unsigned int irq) __unmask_and_level_IO_APIC_irq(irq); spin_unlock(&ioapic_lock); } -} #endif +} static struct irq_chip ioapic_chip __read_mostly = { .name = "IO-APIC", -- GitLab From 29ccbbf232c035b8c7ff0c5060fbe30a66ed9b99 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:49 -0700 Subject: [PATCH 5135/6244] x86: remove first_free_entry/pin_map_size no user now Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 7 ------- arch/x86/kernel/setup.c | 4 ---- include/asm-x86/irq.h | 3 --- 3 files changed, 14 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index a466b04ad5a4..5de2d38812aa 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -72,13 +72,6 @@ int sis_apic_bug = -1; static DEFINE_SPINLOCK(ioapic_lock); static DEFINE_SPINLOCK(vector_lock); -int first_free_entry; -/* - * Rough estimation of how many shared IRQs there are, can - * be changed anytime. - */ -int pin_map_size; - /* * # of IRQ routing registers */ diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 02e3a6697977..d90c659b70e9 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1074,10 +1074,6 @@ void __init setup_arch(char **cmdline_p) nr_irqs = 32 * nr_cpu_ids + 224; init_cpu_to_node(); #endif -#ifdef CONFIG_X86_IO_APIC - pin_map_size = nr_irqs * 2; - first_free_entry = nr_irqs; -#endif init_apic_mappings(); ioapic_init_mappings(); diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h index 2a130c44f5de..1e5f2909c1db 100644 --- a/include/asm-x86/irq.h +++ b/include/asm-x86/irq.h @@ -10,9 +10,6 @@ #include #include -extern int pin_map_size; -extern int first_free_entry; - static inline int irq_canonicalize(int irq) { return ((irq == 2) ? 9 : irq); -- GitLab From ffd5aae7817fba22c5c3e304a31c44fa0a4e9a97 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:50 -0700 Subject: [PATCH 5136/6244] x86: print local APIC of APs one by one instead of print that of all APs at the time Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 5de2d38812aa..bf0e66d73030 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1777,7 +1777,12 @@ __apicdebuginit(void) print_local_APIC(void *dummy) __apicdebuginit(void) print_all_local_APICs(void) { - on_each_cpu(print_local_APIC, NULL, 1); + int cpu; + + preempt_disable(); + for_each_online_cpu(cpu) + smp_call_function_single(cpu, print_local_APIC, NULL, 1); + preempt_enable(); } __apicdebuginit(void) print_PIC(void) -- GitLab From 8f09cd20a24c5f13c571bc73ddcd47be0af3b70f Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:51 -0700 Subject: [PATCH 5137/6244] x86: make HAVE_SPARSE_IRQ support selectable Ingo said sparse_irq is some intrusive. need to make it selectable to make it simple, remove irq_desc as parameter in some functions. (ack, eoi, set_affinity). may need to make member if irq_chip to take irq_desc, or struct irq later. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/Kconfig | 3 -- arch/x86/Kconfig | 12 ++++++- arch/x86/kernel/io_apic.c | 71 +++++++++++++++++++++++++++------------ arch/x86/kernel/irq_32.c | 2 +- arch/x86/kernel/irq_64.c | 2 +- 5 files changed, 62 insertions(+), 28 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index b36762246265..c8a7c2eb6490 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -106,6 +106,3 @@ config HAVE_CLK config HAVE_DYN_ARRAY def_bool n -config HAVE_SPARSE_IRQ - def_bool n - diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b157e94637bf..600584b7a497 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -34,7 +34,6 @@ config X86 select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_DYN_ARRAY - select HAVE_SPARSE_IRQ config ARCH_DEFCONFIG string @@ -238,6 +237,17 @@ config SMP If you don't know what to do here, say N. +config HAVE_SPARSE_IRQ + bool "Support sparse irq numbering" + depends on PCI_MSI || HT_IRQ + default y + help + This enables support for sparse irq, esp for msi/msi-x. the irq + number will be bus/dev/fn + 12bit. You may need if you have lots of + cards supports msi-x installed. + + If you don't know what to do here, say Y. + config X86_FIND_SMP_CONFIG def_bool y depends on X86_MPPARSE || X86_VOYAGER diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index bf0e66d73030..f853b667fa5c 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -107,7 +107,9 @@ struct irq_cfg; struct irq_pin_list; struct irq_cfg { unsigned int irq; +#ifdef CONFIG_HAVE_SPARSE_IRQ struct irq_cfg *next; +#endif struct irq_pin_list *irq_2_pin; cpumask_t domain; cpumask_t old_domain; @@ -137,20 +139,6 @@ static struct irq_cfg irq_cfg_legacy[] __initdata = { }; static struct irq_cfg irq_cfg_init = { .irq = -1U, }; -/* need to be biger than size of irq_cfg_legacy */ -static int nr_irq_cfg = 32; - -static int __init parse_nr_irq_cfg(char *arg) -{ - if (arg) { - nr_irq_cfg = simple_strtoul(arg, NULL, 0); - if (nr_irq_cfg < 32) - nr_irq_cfg = 32; - } - return 0; -} - -early_param("nr_irq_cfg", parse_nr_irq_cfg); static void init_one_irq_cfg(struct irq_cfg *cfg) { @@ -158,7 +146,9 @@ static void init_one_irq_cfg(struct irq_cfg *cfg) } static struct irq_cfg *irq_cfgx; +#ifdef CONFIG_HAVE_SPARSE_IRQ static struct irq_cfg *irq_cfgx_free; +#endif static void __init init_work(void *data) { struct dyn_array *da = data; @@ -174,15 +164,34 @@ static void __init init_work(void *data) for (i = legacy_count; i < *da->nr; i++) init_one_irq_cfg(&cfg[i]); +#ifdef CONFIG_HAVE_SPARSE_IRQ for (i = 1; i < *da->nr; i++) cfg[i-1].next = &cfg[i]; irq_cfgx_free = &irq_cfgx[legacy_count]; irq_cfgx[legacy_count - 1].next = NULL; +#endif +} + +#ifdef CONFIG_HAVE_SPARSE_IRQ +/* need to be biger than size of irq_cfg_legacy */ +static int nr_irq_cfg = 32; + +static int __init parse_nr_irq_cfg(char *arg) +{ + if (arg) { + nr_irq_cfg = simple_strtoul(arg, NULL, 0); + if (nr_irq_cfg < 32) + nr_irq_cfg = 32; + } + return 0; } -#define for_each_irq_cfg(cfg) \ - for (cfg = irq_cfgx; cfg; cfg = cfg->next) +early_param("nr_irq_cfg", parse_nr_irq_cfg); + +#define for_each_irq_cfg(irqX, cfg) \ + for (cfg = irq_cfgx, irqX = cfg->irq; cfg; cfg = cfg->next, irqX = cfg ? cfg->irq : -1U) + DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); @@ -273,7 +282,26 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) #endif return cfg; } +#else + +#define for_each_irq_cfg(irq, cfg) \ + for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq]) + +DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); +struct irq_cfg *irq_cfg(unsigned int irq) +{ + if (irq < nr_irqs) + return &irq_cfgx[irq]; + + return NULL; +} +struct irq_cfg *irq_cfg_alloc(unsigned int irq) +{ + return irq_cfg(irq); +} + +#endif /* * This is performance-critical, we want to do it O(1) * @@ -1282,11 +1310,10 @@ void __setup_vector_irq(int cpu) struct irq_cfg *cfg; /* Mark the inuse vectors */ - for_each_irq_cfg(cfg) { + for_each_irq_cfg(irq, cfg) { if (!cpu_isset(cpu, cfg->domain)) continue; vector = cfg->vector; - irq = cfg->irq; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ @@ -1563,6 +1590,7 @@ __apicdebuginit(void) print_IO_APIC(void) union IO_APIC_reg_03 reg_03; unsigned long flags; struct irq_cfg *cfg; + unsigned int irq; if (apic_verbosity == APIC_QUIET) return; @@ -1651,11 +1679,11 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for_each_irq_cfg(cfg) { + for_each_irq_cfg(irq, cfg) { struct irq_pin_list *entry = cfg->irq_2_pin; if (!entry) continue; - printk(KERN_DEBUG "IRQ%d ", cfg->irq); + printk(KERN_DEBUG "IRQ%d ", irq); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) @@ -2535,8 +2563,7 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for_each_irq_cfg(cfg) { - irq = cfg->irq; + for_each_irq_cfg(irq, cfg) { if (IO_APIC_IRQ(irq) && !cfg->vector) { /* * Hmm.. We don't have an entry for this, diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index cc929f2f84f1..b2e1082cf5ad 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -269,7 +269,7 @@ int show_interrupts(struct seq_file *p, void *v) struct irqaction * action; unsigned long flags; unsigned int entries; - struct irq_desc *desc; + struct irq_desc *desc = NULL; int tail = 0; #ifdef CONFIG_HAVE_SPARSE_IRQ diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 348a11168c2b..c2fca89a3f7e 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -74,7 +74,7 @@ int show_interrupts(struct seq_file *p, void *v) struct irqaction * action; unsigned long flags; unsigned int entries; - struct irq_desc *desc; + struct irq_desc *desc = NULL; int tail = 0; #ifdef CONFIG_HAVE_SPARSE_IRQ -- GitLab From 9d6a4d0823b3b8e29156f5e698b5a68687afad32 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:52 -0700 Subject: [PATCH 5138/6244] x86: probe nr_irqs even only mptable is used for !CONFIG_HAVE_SPARSE_IRQ fix: In file included from arch/x86/kernel/early-quirks.c:18: include/asm/io_apic.h: In function 'probe_nr_irqs': include/asm/io_apic.h:209: error: 'NR_IRQS' undeclared (first use in this function) include/asm/io_apic.h:209: error: (Each undeclared identifier is reported only once include/asm/io_apic.h:209: error: for each function it appears in.) v2: fix by Ingo Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/acpi/boot.c | 25 --------------------- arch/x86/kernel/io_apic.c | 43 ++++++++++++++++++++++++++----------- arch/x86/kernel/setup.c | 6 +++--- include/asm-x86/io_apic.h | 8 +++++++ include/asm-x86/mpspec.h | 1 - 5 files changed, 41 insertions(+), 42 deletions(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 3e9d163fd92f..5fef4fece4a5 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -957,29 +957,6 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base) nr_ioapics++; } -int get_nr_irqs_via_madt(void) -{ - int idx; - int nr = 0; - - for (idx = 0; idx < nr_ioapics; idx++) { - if (mp_ioapic_routing[idx].gsi_end > nr) - nr = mp_ioapic_routing[idx].gsi_end; - } - - nr++; - - /* double it for hotplug and msi and nmi */ - nr <<= 1; - - /* something wrong ? */ - if (nr < 32) - nr = 32; - - return nr; - -} - static void assign_to_mp_irq(struct mp_config_intsrc *m, struct mp_config_intsrc *mp_irq) { @@ -1278,8 +1255,6 @@ static int __init acpi_parse_madt_ioapic_entries(void) } - nr_irqs = get_nr_irqs_via_madt(); - count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, nr_irqs); diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index f853b667fa5c..f7e80262cbbb 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3596,6 +3596,36 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) } #endif /* CONFIG_HT_IRQ */ +int __init io_apic_get_redir_entries (int ioapic) +{ + union IO_APIC_reg_01 reg_01; + unsigned long flags; + + spin_lock_irqsave(&ioapic_lock, flags); + reg_01.raw = io_apic_read(ioapic, 1); + spin_unlock_irqrestore(&ioapic_lock, flags); + + return reg_01.bits.entries; +} + +int __init probe_nr_irqs(void) +{ + int idx; + int nr = 0; + + for (idx = 0; idx < nr_ioapics; idx++) + nr += io_apic_get_redir_entries(idx); + + /* double it for hotplug and msi and nmi */ + nr <<= 1; + + /* something wrong ? */ + if (nr < 32) + nr = 32; + + return nr; +} + /* -------------------------------------------------------------------------- ACPI-based IOAPIC Configuration -------------------------------------------------------------------------- */ @@ -3690,19 +3720,6 @@ int __init io_apic_get_version(int ioapic) } #endif -int __init io_apic_get_redir_entries (int ioapic) -{ - union IO_APIC_reg_01 reg_01; - unsigned long flags; - - spin_lock_irqsave(&ioapic_lock, flags); - reg_01.raw = io_apic_read(ioapic, 1); - spin_unlock_irqrestore(&ioapic_lock, flags); - - return reg_01.bits.entries; -} - - int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity) { if (!IO_APIC_IRQ(irq)) { diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index d90c659b70e9..61335306696a 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1069,15 +1069,15 @@ void __init setup_arch(char **cmdline_p) prefill_possible_map(); #ifdef CONFIG_X86_64 - /* need to wait for nr_cpu_ids settle down */ - if (nr_irqs == NR_IRQS) - nr_irqs = 32 * nr_cpu_ids + 224; init_cpu_to_node(); #endif init_apic_mappings(); ioapic_init_mappings(); + /* need to wait for io_apic is mapped */ + nr_irqs = probe_nr_irqs(); + kvm_guest_init(); e820_reserve_resources(); diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index ce818292d2c7..d35cbd7aa587 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -4,6 +4,7 @@ #include #include #include +#include /* * Intel IO-APIC support for SMP and UP systems. @@ -187,10 +188,17 @@ extern void restore_IO_APIC_setup(void); extern void reinit_intr_remapped_IO_APIC(int); #endif +extern int probe_nr_irqs(void); + #else /* !CONFIG_X86_IO_APIC */ #define io_apic_assign_pci_irqs 0 static const int timer_through_8259 = 0; static inline void ioapic_init_mappings(void) { } + +static inline int probe_nr_irqs(void) +{ + return NR_IRQS; +} #endif #endif /* ASM_X86__IO_APIC_H */ diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h index a0748021250b..be2241a818f1 100644 --- a/include/asm-x86/mpspec.h +++ b/include/asm-x86/mpspec.h @@ -60,7 +60,6 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi); extern void mp_config_acpi_legacy_irqs(void); extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low); -extern int get_nr_irqs_via_madt(void); #ifdef CONFIG_X86_IO_APIC extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin, u32 gsi, int triggering, int polarity); -- GitLab From 2b46b37de73296018da02c2a421ac2a9cbccfa9f Mon Sep 17 00:00:00 2001 From: Alex Nixon Date: Tue, 19 Aug 2008 20:50:53 -0700 Subject: [PATCH 5139/6244] xen: fix memory access violation bug when CONFIG_HAVE_SPARSE_IRQ is enabled When sparse IRQs are enabled, it is not safe to assume an IRQ descriptor exists for every possible IRQ. This patch causes init_evtchn_cpu_bindings to skip initialisation of IRQ descriptors which don't exist. Signed-off-by: Alex Nixon Acked-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- drivers/xen/events.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 56ace47f24d6..e6d47e8ca1ac 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -141,6 +141,8 @@ static void init_evtchn_cpu_bindings(void) /* By default all event channels notify CPU#0. */ for (i = 0; i < nr_irqs; i++) { struct irq_desc *desc = irq_to_desc(i); + if (!desc) + continue; desc->affinity = cpumask_of_cpu(0); } #endif -- GitLab From e7f5ed8d6e921c6200ce5e2549a86db629f2dd11 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:54 -0700 Subject: [PATCH 5140/6244] dyn_array: split dyn_array functions from init/main.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- init/Makefile | 2 +- init/dyn_array.c | 124 +++++++++++++++++++++++++++++++++++++++++++++++ init/main.c | 118 -------------------------------------------- 3 files changed, 125 insertions(+), 119 deletions(-) create mode 100644 init/dyn_array.c diff --git a/init/Makefile b/init/Makefile index 4a243df426f7..dc5eeca6eb6d 100644 --- a/init/Makefile +++ b/init/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := main.o version.o mounts.o +obj-y := main.o dyn_array.o version.o mounts.o ifneq ($(CONFIG_BLK_DEV_INITRD),y) obj-y += noinitramfs.o else diff --git a/init/dyn_array.c b/init/dyn_array.c new file mode 100644 index 000000000000..c4cd902a1180 --- /dev/null +++ b/init/dyn_array.c @@ -0,0 +1,124 @@ +#include +#include +#include +#include +#include +#include + +void __init pre_alloc_dyn_array(void) +{ +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long total_size = 0, size, phys; + unsigned long max_align = 1; + struct dyn_array **daa; + char *ptr; + + /* get the total size at first */ + for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("dyn_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", + da->size, *da->nr, da->align); + total_size += roundup(size, da->align); + if (da->align > max_align) + max_align = da->align; + } + if (total_size) + printk(KERN_DEBUG "dyn_array total_size: %#lx\n", + total_size); + else + return; + + /* allocate them all together */ + max_align = max_t(unsigned long, max_align, PAGE_SIZE); + ptr = __alloc_bootmem_nopanic(total_size, max_align, 0); + if (!ptr) + panic("Can not alloc dyn_alloc\n"); + + phys = virt_to_phys(ptr); + for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("dyn_array %s ", da->name); + + phys = roundup(phys, da->align); + *da->name = phys_to_virt(phys); + printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); + + phys += size; + + if (da->init_work) + da->init_work(da); + } +#else +#ifdef CONFIF_GENERIC_HARDIRQS + unsigned int i; + + for (i = 0; i < NR_IRQS; i++) + irq_desc[i].irq = i; +#endif +#endif +} + +unsigned long __init per_cpu_dyn_array_size(unsigned long *align) +{ + unsigned long total_size = 0; +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long size; + struct dyn_array **daa; + unsigned max_align = 1; + + for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); + printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", + da->size, *da->nr, da->align); + total_size += roundup(size, da->align); + if (da->align > max_align) + max_align = da->align; + } + if (total_size) { + printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n", + total_size); + *align = max_align; + } +#endif + return total_size; +} + +void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) +{ +#ifdef CONFIG_HAVE_DYN_ARRAY + unsigned long size, phys; + struct dyn_array **daa; + unsigned long addr; + void **array; + + phys = virt_to_phys(ptr); + for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { + struct dyn_array *da = *daa; + + size = da->size * (*da->nr); + print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); + + phys = roundup(phys, da->align); + addr = (unsigned long)da->name; + addr += per_cpu_offset(cpu); + array = (void **)addr; + *array = phys_to_virt(phys); + *da->name = *array; /* so init_work could use it directly */ + printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); + + phys += size; + + if (da->init_work) { + da->init_work(da); + } + } +#endif +} diff --git a/init/main.c b/init/main.c index 0d2e60144f83..e81cf427d9c7 100644 --- a/init/main.c +++ b/init/main.c @@ -542,124 +542,6 @@ void __init __weak thread_info_cache_init(void) { } -void pre_alloc_dyn_array(void) -{ -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long total_size = 0, size, phys; - unsigned long max_align = 1; - struct dyn_array **daa; - char *ptr; - - /* get the total size at first */ - for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - print_fn_descriptor_symbol("dyn_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", - da->size, *da->nr, da->align); - total_size += roundup(size, da->align); - if (da->align > max_align) - max_align = da->align; - } - if (total_size) - printk(KERN_DEBUG "dyn_array total_size: %#lx\n", - total_size); - else - return; - - /* allocate them all together */ - max_align = max_t(unsigned long, max_align, PAGE_SIZE); - ptr = __alloc_bootmem_nopanic(total_size, max_align, 0); - if (!ptr) - panic("Can not alloc dyn_alloc\n"); - - phys = virt_to_phys(ptr); - for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - print_fn_descriptor_symbol("dyn_array %s ", da->name); - - phys = roundup(phys, da->align); - *da->name = phys_to_virt(phys); - printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); - - phys += size; - - if (da->init_work) - da->init_work(da); - } -#else -#ifdef CONFIF_GENERIC_HARDIRQS - unsigned int i; - - for (i = 0; i < NR_IRQS; i++) - irq_desc[i].irq = i; -#endif -#endif -} - -unsigned long per_cpu_dyn_array_size(unsigned long *align) -{ - unsigned long total_size = 0; -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long size; - struct dyn_array **daa; - unsigned max_align = 1; - - for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", - da->size, *da->nr, da->align); - total_size += roundup(size, da->align); - if (da->align > max_align) - max_align = da->align; - } - if (total_size) { - printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n", - total_size); - *align = max_align; - } -#endif - return total_size; -} - -void per_cpu_alloc_dyn_array(int cpu, char *ptr) -{ -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long size, phys; - struct dyn_array **daa; - unsigned long addr; - void **array; - - phys = virt_to_phys(ptr); - for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); - - phys = roundup(phys, da->align); - addr = (unsigned long)da->name; - addr += per_cpu_offset(cpu); - array = (void **)addr; - *array = phys_to_virt(phys); - *da->name = *array; /* so init_work could use it directly */ - printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); - - phys += size; - - if (da->init_work) { - da->init_work(da); - } - } -#endif -} - asmlinkage void __init start_kernel(void) { char * command_line; -- GitLab From bf9d3cf73e8caf0b3ae0b7f508a9f251536f5ff4 Mon Sep 17 00:00:00 2001 From: Alex Nixon Date: Mon, 18 Aug 2008 22:17:08 -0700 Subject: [PATCH 5141/6244] xen: Fix bug `do_IRQ: cannot handle IRQ -1 vector 0x6 cpu 1' Following commit 9c3f2468d8339866d9ef6a25aae31a8909c6be0d, do_IRQ() looks up the IRQ number in the per-cpu variable vector_irq. This commit makes Xen initialise an identity vector_irq map for both X86_32 and X86_64. Signed-off-by: Alex Nixon Acked-by: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar --- arch/x86/xen/irq.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c index 28b85ab8422e..bb042608c602 100644 --- a/arch/x86/xen/irq.c +++ b/arch/x86/xen/irq.c @@ -21,7 +21,6 @@ void xen_force_evtchn_callback(void) static void __init __xen_init_IRQ(void) { -#ifdef CONFIG_X86_64 int i; /* Create identity vector->irq map */ @@ -31,7 +30,6 @@ static void __init __xen_init_IRQ(void) for_each_possible_cpu(cpu) per_cpu(vector_irq, cpu)[i] = i; } -#endif /* CONFIG_X86_64 */ xen_init_IRQ(); } -- GitLab From 0c425cec64eb0c0d0dd7037c21a25585cbe3636c Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 18 Aug 2008 13:04:26 +0200 Subject: [PATCH 5142/6244] warning: fix arch x86 kernel io_apic c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit fix warning: arch/x86/kernel/io_apic.c: In function ‘print_local_APIC’: arch/x86/kernel/io_apic.c:1786: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘u64’ arch/x86/kernel/io_apic.c:1787: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘u64’ By creating uniform behavior on 32-bit and 64-bit and printing out the ICR value in two 32-bit words. Code has changed: text data bss dec hex filename 22901 19650 17040 59591 e8c7 io_apic.o.before 22899 19650 17040 59589 e8c5 io_apic.o.after Due to the 32-bit cast narrowing the printed out value on 64-bit. Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index f7e80262cbbb..34c74cf5c244 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1774,8 +1774,8 @@ __apicdebuginit(void) print_local_APIC(void *dummy) } icr = apic_icr_read(); - printk(KERN_DEBUG "... APIC ICR: %08x\n", icr); - printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32); + printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr); + printk(KERN_DEBUG "... APIC ICR2: %08x\n", (u32)(icr >> 32)); v = apic_read(APIC_LVTT); printk(KERN_DEBUG "... APIC LVTT: %08x\n", v); -- GitLab From 7ddfb650c7ef7a33a5ef11c0fdf5b3d837a47dba Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 20 Aug 2008 17:22:51 -0700 Subject: [PATCH 5143/6244] sparseirq: fix intr-remap with dyn_array/nr_irqs changes] In irq_2_iommu_alloc() and set_irte_irq(), irq_to_desc or irq_2_iommu pointers may not be allocated. So use the routines which will allocate them if they are not already allocated. Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- drivers/pci/intr_remapping.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 23372c811159..2dcf973890c4 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -76,9 +76,10 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) struct irq_desc *desc; struct irq_2_iommu *irq_iommu; - desc = irq_to_desc(irq); - - BUG_ON(!desc); + /* + * alloc irq desc if not allocated already. + */ + desc = irq_to_desc_alloc(irq); irq_iommu = desc->irq_2_iommu; @@ -255,11 +256,8 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle) struct irq_2_iommu *irq_iommu; spin_lock(&irq_2_ir_lock); - irq_iommu = valid_irq_2_iommu(irq); - if (!irq_iommu) { - spin_unlock(&irq_2_ir_lock); - return -1; - } + + irq_iommu = irq_2_iommu_alloc(irq); irq_iommu->iommu = iommu; irq_iommu->irte_index = index; -- GitLab From e89eb43863c2d9f11a3bbe766766fe646e6c50d9 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 20 Aug 2008 20:46:25 -0700 Subject: [PATCH 5144/6244] x86: sparse_irq needs spin_lock in allocations Suresh Siddha noticed that we should have a spinlock around it. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 13 ++++++++++++- kernel/irq/handle.c | 13 ++++++++++++- 2 files changed, 24 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 34c74cf5c244..7ca556690474 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -146,6 +146,12 @@ static void init_one_irq_cfg(struct irq_cfg *cfg) } static struct irq_cfg *irq_cfgx; + +/* + * Protect the irq_cfgx_free freelist: + */ +static DEFINE_SPINLOCK(irq_cfg_lock); + #ifdef CONFIG_HAVE_SPARSE_IRQ static struct irq_cfg *irq_cfgx_free; #endif @@ -213,8 +219,9 @@ static struct irq_cfg *irq_cfg(unsigned int irq) static struct irq_cfg *irq_cfg_alloc(unsigned int irq) { struct irq_cfg *cfg, *cfg_pri; - int i; + unsigned long flags; int count = 0; + int i; cfg_pri = cfg = irq_cfgx; while (cfg) { @@ -226,6 +233,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) count++; } + spin_lock_irqsave(&irq_cfg_lock, flags); if (!irq_cfgx_free) { unsigned long phys; unsigned long total_bytes; @@ -263,6 +271,9 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) else irq_cfgx = cfg; cfg->irq = irq; + + spin_unlock_irqrestore(&irq_cfg_lock, flags); + printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG { diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 24c83a3cee4d..d638a911cbc1 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -107,6 +107,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) } } +/* + * Protect the sparse_irqs_free freelist: + */ +static DEFINE_SPINLOCK(sparse_irq_lock); + #ifdef CONFIG_HAVE_SPARSE_IRQ static struct irq_desc *sparse_irqs_free; struct irq_desc *sparse_irqs; @@ -166,11 +171,13 @@ struct irq_desc *irq_to_desc(unsigned int irq) } return NULL; } + struct irq_desc *irq_to_desc_alloc(unsigned int irq) { struct irq_desc *desc, *desc_pri; - int i; + unsigned long flags; int count = 0; + int i; desc_pri = desc = sparse_irqs; while (desc) { @@ -182,6 +189,7 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq) count++; } + spin_lock_irqsave(&sparse_irq_lock, flags); /* * we run out of pre-allocate ones, allocate more */ @@ -223,6 +231,9 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq) else sparse_irqs = desc; desc->irq = irq; + + spin_unlock_irqrestore(&sparse_irq_lock, flags); + printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq); #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG { -- GitLab From a2d332fa3445160519de03c350a59602ac1c3df9 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 21 Aug 2008 12:56:32 -0700 Subject: [PATCH 5145/6244] x86: fix 32-bit ioapic lockup with sparseirqs Missed two lines when copying. Fix panic on one of Ingo's machines that need to adjust ioapic id when acpi off/ 32bit. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 7ca556690474..4e44fd1f466e 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -2077,6 +2077,8 @@ static void __init setup_ioapic_ids_from_mpc(void) reg_00.bits.ID = mp_ioapics[apic].mp_apicid; spin_lock_irqsave(&ioapic_lock, flags); + io_apic_write(apic, 0, reg_00.raw); + spin_unlock_irqrestore(&ioapic_lock, flags); /* * Sanity check -- GitLab From 052c0bff9b83a578654dfa513d6e3d0b3795f1e8 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 21 Aug 2008 13:10:09 -0700 Subject: [PATCH 5146/6244] x86: fix probe_nr_irqs for xen otherwise Xen is _completely_ unusable with 5 or more VCPUs. (when !CONFIG_HAVE_SPARSE_IRQ). based on Alex Nixon's patch. also add +1 offset after redir_entries Signed-off-by: Yinghai Lu Acked-by: Jeremy Fitzhardinge Acked-by: Alex Nixon Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 4e44fd1f466e..d28128e0392c 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3625,16 +3625,21 @@ int __init probe_nr_irqs(void) { int idx; int nr = 0; +#ifndef CONFIG_XEN + int nr_min = 32; +#else + int nr_min = NR_IRQS; +#endif for (idx = 0; idx < nr_ioapics; idx++) - nr += io_apic_get_redir_entries(idx); + nr += io_apic_get_redir_entries(idx) + 1; /* double it for hotplug and msi and nmi */ nr <<= 1; /* something wrong ? */ - if (nr < 32) - nr = 32; + if (nr < nr_min) + nr = nr_min; return nr; } -- GitLab From 2699574b3c04351f5a23c8a842e17c303d7ebb6f Mon Sep 17 00:00:00 2001 From: Alok Kataria Date: Thu, 21 Aug 2008 11:26:43 -0700 Subject: [PATCH 5147/6244] x86: VMI, initialize IRQ vector Initialize vector_irq for the vmi used vector, to point to correct irq. Signed-off-by: Alok N Kataria Signed-off-by: Ingo Molnar --- arch/x86/kernel/vmiclock_32.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c index 6953859fe289..254ee07f8635 100644 --- a/arch/x86/kernel/vmiclock_32.c +++ b/arch/x86/kernel/vmiclock_32.c @@ -235,11 +235,14 @@ static void __devinit vmi_time_init_clockevent(void) void __init vmi_time_init(void) { + unsigned int cpu; /* Disable PIT: BIOSes start PIT CH0 with 18.2hz peridic. */ outb_pit(0x3a, PIT_MODE); /* binary, mode 5, LSB/MSB, ch 0 */ vmi_time_init_clockevent(); setup_irq(0, &vmi_clock_action); + for_each_possible_cpu(cpu) + per_cpu(vector_irq, cpu)[vmi_get_timer_vector()] = 0; } #ifdef CONFIG_X86_LOCAL_APIC -- GitLab From db4b5525caafd846ec20f95afbc6403c792e22cf Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:39 -0700 Subject: [PATCH 5148/6244] x86: apic_64.c - setup_APIC_timer has to be __cpuinit function There is no need to hold this code if CPU_HOTPLUG is not defined. Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index cd860856a0b7..8f551276681e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -400,7 +400,7 @@ static void lapic_timer_broadcast(cpumask_t mask) * Setup the local APIC timer for this CPU. Copy the initilized values * of the boot CPU and register the clock event in the framework. */ -static void setup_APIC_timer(void) +static void __cpuinit setup_APIC_timer(void) { struct clock_event_device *levt = &__get_cpu_var(lapic_events); -- GitLab From 7c37e48b5125fdb0acac846a0a3af42806175d44 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:40 -0700 Subject: [PATCH 5149/6244] x86: apic - introduce get_physical_broadcast for 64bit We don't really use it now on 64bit mode but could reserve it for future. Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 8f551276681e..bb46711a0b1e 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -244,6 +244,16 @@ void __cpuinit enable_NMI_through_LVT0(void) apic_write(APIC_LVT0, v); } +#ifdef CONFIG_X86_32 +/** + * get_physical_broadcast - Get number of physical broadcast IDs + */ +int get_physical_broadcast(void) +{ + return modern_apic() ? 0xff : 0xf; +} +#endif + /** * lapic_get_maxlvt - get the maximum number of local vector table entries */ -- GitLab From 920fa7a507c3b1004a9ebe07a2c9d38605b3406a Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:41 -0700 Subject: [PATCH 5150/6244] x86: apic - unify setup_apicpmtimer Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 10 ++++++++++ arch/x86/kernel/apic_64.c | 2 ++ 2 files changed, 12 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 21c831d96af3..df6ed603e547 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1774,6 +1774,16 @@ static int __init parse_nolapic_timer(char *arg) } early_param("nolapic_timer", parse_nolapic_timer); +#ifdef CONFIG_X86_64 +static __init int setup_apicpmtimer(char *s) +{ + apic_calibrate_pmtmr = 1; + notsc_setup(NULL); + return 0; +} +__setup("apicpmtimer", setup_apicpmtimer); +#endif + static int __init apic_set_verbosity(char *arg) { if (!arg) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index bb46711a0b1e..ddc5b245faf2 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1810,6 +1810,7 @@ static int __init parse_nolapic_timer(char *arg) } early_param("nolapic_timer", parse_nolapic_timer); +#ifdef CONFIG_X86_64 static __init int setup_apicpmtimer(char *s) { apic_calibrate_pmtmr = 1; @@ -1817,6 +1818,7 @@ static __init int setup_apicpmtimer(char *s) return 0; } __setup("apicpmtimer", setup_apicpmtimer); +#endif static int __init apic_set_verbosity(char *arg) { -- GitLab From 80e5609cabd7e4321769701a70297f819a15b08d Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:42 -0700 Subject: [PATCH 5151/6244] x86: apic_64.c - add sanity check for spurious vector definition Do not check for SPUTIOUS_APIC_VECTOR definition twice. Check it once - is what we need. Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ddc5b245faf2..4587e16f73ec 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -46,6 +46,13 @@ #include #include +/* + * Sanity check + */ +#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F) +# error SPURIOUS_APIC_VECTOR definition error +#endif + /* Disable local APIC timer from the kernel commandline or via dmi quirk */ static int disable_apic_timer __cpuinitdata; static int apic_calibrate_pmtmr __initdata; @@ -939,8 +946,6 @@ void __cpuinit setup_local_APIC(void) preempt_disable(); value = apic_read(APIC_LVR); - BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f); - /* * Double-check whether this APIC is really registered. * This is meaningless in clustered apic mode, so we skip it. -- GitLab From 89c38c2867ebe37c4c5aee23e7fa1bffb025b171 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:43 -0700 Subject: [PATCH 5152/6244] x86: apic - unify setup_local_APIC - remove useless read of APIC_LVR - wrap with preempt_disable/enable - check for integrated APIC just in place v2: fix by Yinghai Lu. fix lapic_is_integrated using let 64-bit too have pic_mode Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 21 ++++++++++++---- arch/x86/kernel/apic_64.c | 51 +++++++++++++++++++++++++++++++++++---- 2 files changed, 62 insertions(+), 10 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index df6ed603e547..f8c1251984e2 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1033,9 +1033,10 @@ static void __cpuinit lapic_setup_esr(void) */ void __cpuinit setup_local_APIC(void) { - unsigned long value, integrated; + unsigned int value; int i, j; +#ifdef CONFIG_X86_32 /* Pound the ESR really hard over the head with a big hammer - mbligh */ if (esr_disable) { apic_write(APIC_ESR, 0); @@ -1043,14 +1044,16 @@ void __cpuinit setup_local_APIC(void) apic_write(APIC_ESR, 0); apic_write(APIC_ESR, 0); } +#endif - integrated = lapic_is_integrated(); + preempt_disable(); /* * Double-check whether this APIC is really registered. + * This is meaningless in clustered apic mode, so we skip it. */ if (!apic_id_registered()) - WARN_ON_ONCE(1); + BUG(); /* * Intel recommends to set DFR, LDR and TPR before enabling @@ -1096,6 +1099,7 @@ void __cpuinit setup_local_APIC(void) */ value |= APIC_SPIV_APIC_ENABLED; +#ifdef CONFIG_X86_32 /* * Some unknown Intel IO/APIC (or APIC) errata is biting us with * certain networking cards. If high frequency interrupts are @@ -1116,8 +1120,13 @@ void __cpuinit setup_local_APIC(void) * See also the comment in end_level_ioapic_irq(). --macro */ - /* Enable focus processor (bit==0) */ + /* + * - enable focus processor (bit==0) + * - 64bit mode always use processor focus + * so no need to set it + */ value &= ~APIC_SPIV_FOCUS_DISABLED; +#endif /* * Set spurious IRQ vector @@ -1154,9 +1163,11 @@ void __cpuinit setup_local_APIC(void) value = APIC_DM_NMI; else value = APIC_DM_NMI | APIC_LVT_MASKED; - if (!integrated) /* 82489DX */ + if (!lapic_is_integrated()) /* 82489DX */ value |= APIC_LVT_LEVEL_TRIGGER; apic_write(APIC_LVT1, value); + + preempt_enable(); } void __cpuinit end_local_APIC_setup(void) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 4587e16f73ec..283968d4e024 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -76,6 +76,8 @@ char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; */ unsigned int apic_verbosity; +int pic_mode; + /* Have we found an MP table */ int smp_found_config; @@ -943,8 +945,17 @@ void __cpuinit setup_local_APIC(void) unsigned int value; int i, j; +#ifdef CONFIG_X86_32 + /* Pound the ESR really hard over the head with a big hammer - mbligh */ + if (esr_disable) { + apic_write(APIC_ESR, 0); + apic_write(APIC_ESR, 0); + apic_write(APIC_ESR, 0); + apic_write(APIC_ESR, 0); + } +#endif + preempt_disable(); - value = apic_read(APIC_LVR); /* * Double-check whether this APIC is really registered. @@ -997,7 +1008,34 @@ void __cpuinit setup_local_APIC(void) */ value |= APIC_SPIV_APIC_ENABLED; - /* We always use processor focus */ +#ifdef CONFIG_X86_32 + /* + * Some unknown Intel IO/APIC (or APIC) errata is biting us with + * certain networking cards. If high frequency interrupts are + * happening on a particular IOAPIC pin, plus the IOAPIC routing + * entry is masked/unmasked at a high rate as well then sooner or + * later IOAPIC line gets 'stuck', no more interrupts are received + * from the device. If focus CPU is disabled then the hang goes + * away, oh well :-( + * + * [ This bug can be reproduced easily with a level-triggered + * PCI Ne2000 networking cards and PII/PIII processors, dual + * BX chipset. ] + */ + /* + * Actually disabling the focus CPU check just makes the hang less + * frequent as it makes the interrupt distributon model be more + * like LRU than MRU (the short-term load is more even across CPUs). + * See also the comment in end_level_ioapic_irq(). --macro + */ + + /* + * - enable focus processor (bit==0) + * - 64bit mode always use processor focus + * so no need to set it + */ + value &= ~APIC_SPIV_FOCUS_DISABLED; +#endif /* * Set spurious IRQ vector @@ -1016,14 +1054,14 @@ void __cpuinit setup_local_APIC(void) * TODO: set up through-local-APIC from through-I/O-APIC? --macro */ value = apic_read(APIC_LVT0) & APIC_LVT_MASKED; - if (!smp_processor_id() && !value) { + if (!smp_processor_id() && (pic_mode || !value)) { value = APIC_DM_EXTINT; apic_printk(APIC_VERBOSE, "enabled ExtINT on CPU#%d\n", - smp_processor_id()); + smp_processor_id()); } else { value = APIC_DM_EXTINT | APIC_LVT_MASKED; apic_printk(APIC_VERBOSE, "masked ExtINT on CPU#%d\n", - smp_processor_id()); + smp_processor_id()); } apic_write(APIC_LVT0, value); @@ -1034,7 +1072,10 @@ void __cpuinit setup_local_APIC(void) value = APIC_DM_NMI; else value = APIC_DM_NMI | APIC_LVT_MASKED; + if (!lapic_is_integrated()) /* 82489DX */ + value |= APIC_LVT_LEVEL_TRIGGER; apic_write(APIC_LVT1, value); + preempt_enable(); } -- GitLab From 457cc52d4670bcf1470606a108bbf35aac28eb7f Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:44 -0700 Subject: [PATCH 5153/6244] x86: apic_32.c should use __cpuinit section All callers are __init or __cpuinit so there is no need to hold this code without CPU_HOTPLUG being set. Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index f8c1251984e2..4ca3717b3026 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -383,7 +383,7 @@ static void lapic_timer_broadcast(cpumask_t mask) * Setup the local APIC timer for this CPU. Copy the initilized values * of the boot CPU and register the clock event in the framework. */ -static void __devinit setup_APIC_timer(void) +static void __cpuinit setup_APIC_timer(void) { struct clock_event_device *levt = &__get_cpu_var(lapic_events); @@ -652,7 +652,7 @@ void __init setup_boot_APIC_clock(void) setup_APIC_timer(); } -void __devinit setup_secondary_APIC_clock(void) +void __cpuinit setup_secondary_APIC_clock(void) { setup_APIC_timer(); } @@ -1713,7 +1713,7 @@ static struct sys_device device_lapic = { .cls = &lapic_sysclass, }; -static void __devinit apic_pm_activate(void) +static void __cpuinit apic_pm_activate(void) { apic_pm_state.active = 1; } -- GitLab From 6460bc73aac970135104a0bc407c2c8b85394d59 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 24 Aug 2008 02:01:45 -0700 Subject: [PATCH 5154/6244] x86: apic - unify smp_apic_timer_interrupt Signed-off-by: Cyrill Gorcunov Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 3 +++ arch/x86/kernel/apic_64.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 4ca3717b3026..913d9924b101 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -718,6 +718,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) * Besides, if we don't timer interrupts ignore the global * interrupt lock, which is the WrongThing (tm) to do. */ +#ifdef CONFIG_X86_64 + exit_idle(); +#endif irq_enter(); local_apic_timer_interrupt(); irq_exit(); diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 283968d4e024..2e109119f647 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -625,7 +625,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) * Besides, if we don't timer interrupts ignore the global * interrupt lock, which is the WrongThing (tm) to do. */ +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); local_apic_timer_interrupt(); irq_exit(); -- GitLab From b3c5117050e8028d48b2fa0ea09c7a50dd7f3414 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:46 -0700 Subject: [PATCH 5155/6244] x86: apic_xx.c order variables Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 46 +++++++++++++++++++------------------ arch/x86/kernel/apic_64.c | 48 ++++++++++++++++++++++++++------------- 2 files changed, 56 insertions(+), 38 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 913d9924b101..a54512bea629 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -50,16 +50,37 @@ # error SPURIOUS_APIC_VECTOR definition error #endif -unsigned long mp_lapic_addr; - +#ifdef CONFIG_X86_32 /* * Knob to control our willingness to enable the local APIC. * * +1=force-enable */ static int force_enable_local_apic; -int disable_apic; +/* + * APIC command line parameters + */ +static int __init parse_lapic(char *arg) +{ + force_enable_local_apic = 1; + return 0; +} +early_param("lapic", parse_lapic); +#endif +#ifdef CONFIG_X86_64 +static int apic_calibrate_pmtmr __initdata; +static __init int setup_apicpmtimer(char *s) +{ + apic_calibrate_pmtmr = 1; + notsc_setup(NULL); + return 0; +} +__setup("apicpmtimer", setup_apicpmtimer); +#endif + +unsigned long mp_lapic_addr; +int disable_apic; /* Disable local APIC timer from the kernel commandline or via dmi quirk */ static int disable_apic_timer __cpuinitdata; /* Local APIC timer works in C2 */ @@ -1742,15 +1763,6 @@ static void apic_pm_activate(void) { } #endif /* CONFIG_PM */ -/* - * APIC command line parameters - */ -static int __init parse_lapic(char *arg) -{ - force_enable_local_apic = 1; - return 0; -} -early_param("lapic", parse_lapic); static int __init setup_disableapic(char *arg) { @@ -1788,16 +1800,6 @@ static int __init parse_nolapic_timer(char *arg) } early_param("nolapic_timer", parse_nolapic_timer); -#ifdef CONFIG_X86_64 -static __init int setup_apicpmtimer(char *s) -{ - apic_calibrate_pmtmr = 1; - notsc_setup(NULL); - return 0; -} -__setup("apicpmtimer", setup_apicpmtimer); -#endif - static int __init apic_set_verbosity(char *arg) { if (!arg) { diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 2e109119f647..c40a900e155b 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -53,16 +53,44 @@ # error SPURIOUS_APIC_VECTOR definition error #endif -/* Disable local APIC timer from the kernel commandline or via dmi quirk */ -static int disable_apic_timer __cpuinitdata; +#ifdef CONFIG_X86_32 +/* + * Knob to control our willingness to enable the local APIC. + * + * +1=force-enable + */ +static int force_enable_local_apic; +/* + * APIC command line parameters + */ +static int __init parse_lapic(char *arg) +{ + force_enable_local_apic = 1; + return 0; +} +early_param("lapic", parse_lapic); +#endif + +#ifdef CONFIG_X86_64 static int apic_calibrate_pmtmr __initdata; -int disable_apic; +static __init int setup_apicpmtimer(char *s) +{ + apic_calibrate_pmtmr = 1; + notsc_setup(NULL); + return 0; +} +__setup("apicpmtimer", setup_apicpmtimer); +#endif + int disable_x2apic; int x2apic; - /* x2apic enabled before OS handover */ int x2apic_preenabled; +unsigned long mp_lapic_addr; +int disable_apic; +/* Disable local APIC timer from the kernel commandline or via dmi quirk */ +static int disable_apic_timer __cpuinitdata; /* Local APIC timer works in C2 */ int local_apic_timer_c2_ok; EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); @@ -113,8 +141,6 @@ static DEFINE_PER_CPU(struct clock_event_device, lapic_events); static unsigned long apic_phys; -unsigned long mp_lapic_addr; - /* * Get the LAPIC version */ @@ -1858,16 +1884,6 @@ static int __init parse_nolapic_timer(char *arg) } early_param("nolapic_timer", parse_nolapic_timer); -#ifdef CONFIG_X86_64 -static __init int setup_apicpmtimer(char *s) -{ - apic_calibrate_pmtmr = 1; - notsc_setup(NULL); - return 0; -} -__setup("apicpmtimer", setup_apicpmtimer); -#endif - static int __init apic_set_verbosity(char *arg) { if (!arg) { -- GitLab From 49899eacce79ce39faf531dad3e00f771eba2eb1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:47 -0700 Subject: [PATCH 5156/6244] x86: use HAVE_X2APIC in apic_64.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_64.c | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index c40a900e155b..d3ec746aede4 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -82,10 +82,23 @@ static __init int setup_apicpmtimer(char *s) __setup("apicpmtimer", setup_apicpmtimer); #endif -int disable_x2apic; +#ifdef CONFIG_X86_64 +#define HAVE_X2APIC +#endif + +#ifdef HAVE_X2APIC int x2apic; /* x2apic enabled before OS handover */ int x2apic_preenabled; +int disable_x2apic; +static __init int setup_nox2apic(char *str) +{ + disable_x2apic = 1; + setup_clear_cpu_cap(X86_FEATURE_X2APIC); + return 0; +} +early_param("nox2apic", setup_nox2apic); +#endif unsigned long mp_lapic_addr; int disable_apic; @@ -228,6 +241,7 @@ static struct apic_ops xapic_ops = { struct apic_ops __read_mostly *apic_ops = &xapic_ops; EXPORT_SYMBOL_GPL(apic_ops); +#ifdef HAVE_X2APIC static void x2apic_wait_icr_idle(void) { /* no need to wait for icr idle in x2apic */ @@ -261,6 +275,7 @@ static struct apic_ops x2apic_ops = { .wait_icr_idle = x2apic_wait_icr_idle, .safe_wait_icr_idle = safe_x2apic_wait_icr_idle, }; +#endif /** * enable_NMI_through_LVT0 - enable NMI through local vector table 0 @@ -1125,6 +1140,7 @@ void __cpuinit end_local_APIC_setup(void) apic_pm_activate(); } +#ifdef HAVE_X2APIC void check_x2apic(void) { int msr, msr2; @@ -1243,6 +1259,7 @@ end: return; } +#endif /* HAVE_X2APIC */ /* * Detect and enable local APICs on non-SMP boards. @@ -1291,10 +1308,12 @@ void __init early_init_lapic_mapping(void) */ void __init init_apic_mappings(void) { +#ifdef HAVE_X2APIC if (x2apic) { boot_cpu_physical_apicid = read_apic_id(); return; } +#endif /* * If no local APIC can be found then set up a fake all @@ -1335,8 +1354,9 @@ int __init APIC_init_uniprocessor(void) printk(KERN_INFO "Apic disabled by BIOS\n"); return -1; } - +#ifdef HAVE_X2APIC enable_IR_x2apic(); +#endif setup_apic_routing(); verify_local_APIC(); @@ -1672,7 +1692,7 @@ static int lapic_resume(struct sys_device *dev) local_irq_save(flags); -#ifdef CONFIG_X86_64 +#ifdef HAVE_X2APIC if (x2apic) enable_x2apic(); else @@ -1836,15 +1856,6 @@ __cpuinit int apic_is_clustered_box(void) return (clusters > 2); } -static __init int setup_nox2apic(char *str) -{ - disable_x2apic = 1; - clear_cpu_cap(&boot_cpu_data, X86_FEATURE_X2APIC); - return 0; -} -early_param("nox2apic", setup_nox2apic); - - /* * APIC command line parameters */ -- GitLab From 3491998dd54f6d4ef7344518fe5463b299fdf537 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:48 -0700 Subject: [PATCH 5157/6244] x86: add hard_smp_prossor_id with MACRO in io_apic_xx.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 7 +++++++ arch/x86/kernel/apic_64.c | 2 ++ 2 files changed, 9 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index a54512bea629..93718ffb9b9c 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1600,6 +1600,13 @@ void __cpuinit generic_processor_info(int apicid, int version) cpu_set(cpu, cpu_present_map); } +#ifdef CONFIG_X86_64 +int hard_smp_processor_id(void) +{ + return read_apic_id(); +} +#endif + /* * Power management */ diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index d3ec746aede4..eeb69838c2f8 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1612,10 +1612,12 @@ void __cpuinit generic_processor_info(int apicid, int version) cpu_set(cpu, cpu_present_map); } +#ifdef CONFIG_X86_64 int hard_smp_processor_id(void) { return read_apic_id(); } +#endif /* * Power management -- GitLab From f28c0ae21d80ffd6eb0987901c5273843387e341 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:49 -0700 Subject: [PATCH 5158/6244] x86: make apic_32/64.c more like except x2apic, detec_init_APIC, and calibrating_APIC_clock Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 125 ++++++++++++++++++++++++++++++++++---- arch/x86/kernel/apic_64.c | 10 ++- 2 files changed, 122 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 93718ffb9b9c..bfac26a16099 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -66,6 +66,9 @@ static int __init parse_lapic(char *arg) return 0; } early_param("lapic", parse_lapic); +/* Local APIC was disabled by the BIOS and enabled by the kernel */ +static int enabled_via_apicbase; + #endif #ifdef CONFIG_X86_64 @@ -131,9 +134,6 @@ static struct clock_event_device lapic_clockevent = { }; static DEFINE_PER_CPU(struct clock_event_device, lapic_events); -/* Local APIC was disabled by the BIOS and enabled by the kernel */ -static int enabled_via_apicbase; - static unsigned long apic_phys; /* @@ -240,6 +240,7 @@ void __cpuinit enable_NMI_through_LVT0(void) apic_write(APIC_LVT0, v); } +#ifdef CONFIG_X86_32 /** * get_physical_broadcast - Get number of physical broadcast IDs */ @@ -247,6 +248,7 @@ int get_physical_broadcast(void) { return modern_apic() ? 0xff : 0xf; } +#endif /** * lapic_get_maxlvt - get the maximum number of local vector table entries @@ -1291,6 +1293,32 @@ no_apic: return -1; } +#ifdef CONFIG_X86_64 +void __init early_init_lapic_mapping(void) +{ + unsigned long phys_addr; + + /* + * If no local APIC can be found then go out + * : it means there is no mpatable and MADT + */ + if (!smp_found_config) + return; + + phys_addr = mp_lapic_addr; + + set_fixmap_nocache(FIX_APIC_BASE, phys_addr); + apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", + APIC_BASE, phys_addr); + + /* + * Fetch the APIC ID of the BSP in case we have a + * default configuration (or the MP table is broken). + */ + boot_cpu_physical_apicid = read_apic_id(); +} +#endif + /** * init_apic_mappings - initialize APIC mappings */ @@ -1308,8 +1336,8 @@ void __init init_apic_mappings(void) apic_phys = mp_lapic_addr; set_fixmap_nocache(FIX_APIC_BASE, apic_phys); - printk(KERN_DEBUG "mapped APIC to %08lx (%08lx)\n", APIC_BASE, - apic_phys); + apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", + APIC_BASE, apic_phys); /* * Fetch the APIC ID of the BSP in case we have a @@ -1317,14 +1345,12 @@ void __init init_apic_mappings(void) */ if (boot_cpu_physical_apicid == -1U) boot_cpu_physical_apicid = read_apic_id(); - } /* * This initializes the IO-APIC and APIC hardware if this is * a UP kernel. */ - int apic_version[MAX_APICS]; int __init APIC_init_uniprocessor(void) @@ -1682,11 +1708,6 @@ static int lapic_resume(struct sys_device *dev) local_irq_save(flags); -#ifdef CONFIG_X86_64 - if (x2apic) - enable_x2apic(); - else -#endif { /* * Make sure the APICBASE points to the right address @@ -1770,7 +1791,87 @@ static void apic_pm_activate(void) { } #endif /* CONFIG_PM */ +#ifdef CONFIG_X86_64 +/* + * apic_is_clustered_box() -- Check if we can expect good TSC + * + * Thus far, the major user of this is IBM's Summit2 series: + * + * Clustered boxes may have unsynced TSC problems if they are + * multi-chassis. Use available data to take a good guess. + * If in doubt, go HPET. + */ +__cpuinit int apic_is_clustered_box(void) +{ + int i, clusters, zeros; + unsigned id; + u16 *bios_cpu_apicid; + DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS); + + /* + * there is not this kind of box with AMD CPU yet. + * Some AMD box with quadcore cpu and 8 sockets apicid + * will be [4, 0x23] or [8, 0x27] could be thought to + * vsmp box still need checking... + */ + if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && !is_vsmp_box()) + return 0; + + bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); + bitmap_zero(clustermap, NUM_APIC_CLUSTERS); + + for (i = 0; i < NR_CPUS; i++) { + /* are we being called early in kernel startup? */ + if (bios_cpu_apicid) { + id = bios_cpu_apicid[i]; + } + else if (i < nr_cpu_ids) { + if (cpu_present(i)) + id = per_cpu(x86_bios_cpu_apicid, i); + else + continue; + } + else + break; + if (id != BAD_APICID) + __set_bit(APIC_CLUSTERID(id), clustermap); + } + + /* Problem: Partially populated chassis may not have CPUs in some of + * the APIC clusters they have been allocated. Only present CPUs have + * x86_bios_cpu_apicid entries, thus causing zeroes in the bitmap. + * Since clusters are allocated sequentially, count zeros only if + * they are bounded by ones. + */ + clusters = 0; + zeros = 0; + for (i = 0; i < NUM_APIC_CLUSTERS; i++) { + if (test_bit(i, clustermap)) { + clusters += 1 + zeros; + zeros = 0; + } else + ++zeros; + } + + /* ScaleMP vSMPowered boxes have one cluster per board and TSCs are + * not guaranteed to be synced between boards + */ + if (is_vsmp_box() && clusters > 1) + return 1; + + /* + * If clusters > 2, then should be multi-chassis. + * May have to revisit this when multi-core + hyperthreaded CPUs come + * out, but AFAIK this will work even for them. + */ + return (clusters > 2); +} +#endif + +/* + * APIC command line parameters + */ static int __init setup_disableapic(char *arg) { disable_apic = 1; diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index eeb69838c2f8..dca6c246e731 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -69,6 +69,9 @@ static int __init parse_lapic(char *arg) return 0; } early_param("lapic", parse_lapic); +/* Local APIC was disabled by the BIOS and enabled by the kernel */ +static int enabled_via_apicbase; + #endif #ifdef CONFIG_X86_64 @@ -1279,6 +1282,7 @@ static int __init detect_init_APIC(void) return 0; } +#ifdef CONFIG_X86_64 void __init early_init_lapic_mapping(void) { unsigned long phys_addr; @@ -1302,6 +1306,7 @@ void __init early_init_lapic_mapping(void) */ boot_cpu_physical_apicid = read_apic_id(); } +#endif /** * init_apic_mappings - initialize APIC mappings @@ -1334,7 +1339,8 @@ void __init init_apic_mappings(void) * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken). */ - boot_cpu_physical_apicid = read_apic_id(); + if (boot_cpu_physical_apicid == -1U) + boot_cpu_physical_apicid = read_apic_id(); } /* @@ -1782,6 +1788,7 @@ static void apic_pm_activate(void) { } #endif /* CONFIG_PM */ +#ifdef CONFIG_X86_64 /* * apic_is_clustered_box() -- Check if we can expect good TSC * @@ -1857,6 +1864,7 @@ __cpuinit int apic_is_clustered_box(void) */ return (clusters > 2); } +#endif /* * APIC command line parameters -- GitLab From fa2bd35a8d5c88c03b638c72daf7f38a132d0e8c Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:50 -0700 Subject: [PATCH 5159/6244] x86: merge APIC_init_uniprocessor Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 51 ++++++++++++++++++++++++++++++++++----- arch/x86/kernel/apic_64.c | 48 +++++++++++++++++++++++++++++++++--- 2 files changed, 90 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index bfac26a16099..8f8b0e1f3eb3 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1355,6 +1355,17 @@ int apic_version[MAX_APICS]; int __init APIC_init_uniprocessor(void) { +#ifdef CONFIG_X86_64 + if (disable_apic) { + printk(KERN_INFO "Apic disabled\n"); + return -1; + } + if (!cpu_has_apic) { + disable_apic = 1; + printk(KERN_INFO "Apic disabled by BIOS\n"); + return -1; + } +#else if (!smp_found_config && !cpu_has_apic) return -1; @@ -1368,34 +1379,62 @@ int __init APIC_init_uniprocessor(void) clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); return -1; } +#endif +#ifdef HAVE_X2APIC + enable_IR_x2apic(); +#endif +#ifdef CONFIG_X86_64 + setup_apic_routing(); +#endif verify_local_APIC(); - connect_bsp_APIC(); +#ifdef CONFIG_X86_64 + apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid)); +#else /* * Hack: In case of kdump, after a crash, kernel might be booting * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid * might be zero if read from MP tables. Get it from LAPIC. */ -#ifdef CONFIG_CRASH_DUMP +# ifdef CONFIG_CRASH_DUMP boot_cpu_physical_apicid = read_apic_id(); +# endif #endif physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map); - setup_local_APIC(); +#ifdef CONFIG_X86_64 + /* + * Now enable IO-APICs, actually call clear_IO_APIC + * We need clear_IO_APIC before enabling vector on BP + */ + if (!skip_ioapic_setup && nr_ioapics) + enable_IO_APIC(); +#endif + #ifdef CONFIG_X86_IO_APIC if (!smp_found_config || skip_ioapic_setup || !nr_ioapics) #endif localise_nmi_watchdog(); end_local_APIC_setup(); + #ifdef CONFIG_X86_IO_APIC - if (smp_found_config) - if (!skip_ioapic_setup && nr_ioapics) - setup_IO_APIC(); + if (smp_found_config && !skip_ioapic_setup && nr_ioapics) + setup_IO_APIC(); +# ifdef CONFIG_X86_64 + else + nr_ioapics = 0; +# endif #endif + +#ifdef CONFIG_X86_64 + setup_boot_APIC_clock(); + check_nmi_watchdog(); +#else setup_boot_clock(); +#endif return 0; } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index dca6c246e731..16a30c22b07c 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1351,6 +1351,7 @@ int apic_version[MAX_APICS]; int __init APIC_init_uniprocessor(void) { +#ifdef CONFIG_X86_64 if (disable_apic) { printk(KERN_INFO "Apic disabled\n"); return -1; @@ -1360,37 +1361,78 @@ int __init APIC_init_uniprocessor(void) printk(KERN_INFO "Apic disabled by BIOS\n"); return -1; } +#else + if (!smp_found_config && !cpu_has_apic) + return -1; + + /* + * Complain if the BIOS pretends there is one. + */ + if (!cpu_has_apic && + APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) { + printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n", + boot_cpu_physical_apicid); + clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); + return -1; + } +#endif + #ifdef HAVE_X2APIC enable_IR_x2apic(); #endif +#ifdef CONFIG_X86_64 setup_apic_routing(); +#endif verify_local_APIC(); - connect_bsp_APIC(); - physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map); +#ifdef CONFIG_X86_64 apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid)); - +#else + /* + * Hack: In case of kdump, after a crash, kernel might be booting + * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid + * might be zero if read from MP tables. Get it from LAPIC. + */ +# ifdef CONFIG_CRASH_DUMP + boot_cpu_physical_apicid = read_apic_id(); +# endif +#endif + physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map); setup_local_APIC(); +#ifdef CONFIG_X86_64 /* * Now enable IO-APICs, actually call clear_IO_APIC * We need clear_IO_APIC before enabling vector on BP */ if (!skip_ioapic_setup && nr_ioapics) enable_IO_APIC(); +#endif +#ifdef CONFIG_X86_IO_APIC if (!smp_found_config || skip_ioapic_setup || !nr_ioapics) +#endif localise_nmi_watchdog(); end_local_APIC_setup(); +#ifdef CONFIG_X86_IO_APIC if (smp_found_config && !skip_ioapic_setup && nr_ioapics) setup_IO_APIC(); +# ifdef CONFIG_X86_64 else nr_ioapics = 0; +# endif +#endif + +#ifdef CONFIG_X86_64 setup_boot_APIC_clock(); check_nmi_watchdog(); +#else + setup_boot_clock(); +#endif + return 0; } -- GitLab From be7a656fe131cba088912bcafb079b029320504d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:51 -0700 Subject: [PATCH 5160/6244] x86: copy detect_init_APIC to the other Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 20 ++++++++++ arch/x86/kernel/apic_64.c | 82 ++++++++++++++++++++++++++++++++++++++- 2 files changed, 101 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 8f8b0e1f3eb3..1103e05aa1ba 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1214,6 +1214,25 @@ void __cpuinit end_local_APIC_setup(void) apic_pm_activate(); } +#ifdef CONFIG_X86_64 +/* + * Detect and enable local APICs on non-SMP boards. + * Original code written by Keir Fraser. + * On AMD64 we trust the BIOS - if it says no APIC it is likely + * not correctly set up (usually the APIC timer won't work etc.) + */ +static int __init detect_init_APIC(void) +{ + if (!cpu_has_apic) { + printk(KERN_INFO "No local APIC present\n"); + return -1; + } + + mp_lapic_addr = APIC_DEFAULT_PHYS_BASE; + boot_cpu_physical_apicid = 0; + return 0; +} +#else /* * Detect and initialize APIC */ @@ -1292,6 +1311,7 @@ no_apic: printk(KERN_INFO "No local APIC present or hardware disabled\n"); return -1; } +#endif #ifdef CONFIG_X86_64 void __init early_init_lapic_mapping(void) diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 16a30c22b07c..b7268f5c8b18 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -684,7 +684,6 @@ int setup_profiling_timer(unsigned int multiplier) return -EINVAL; } - /* * Local APIC start and shutdown */ @@ -1264,6 +1263,7 @@ end: } #endif /* HAVE_X2APIC */ +#ifdef CONFIG_X86_64 /* * Detect and enable local APICs on non-SMP boards. * Original code written by Keir Fraser. @@ -1281,6 +1281,86 @@ static int __init detect_init_APIC(void) boot_cpu_physical_apicid = 0; return 0; } +#else +/* + * Detect and initialize APIC + */ +static int __init detect_init_APIC(void) +{ + u32 h, l, features; + + /* Disabled by kernel option? */ + if (disable_apic) + return -1; + + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_AMD: + if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) || + (boot_cpu_data.x86 == 15)) + break; + goto no_apic; + case X86_VENDOR_INTEL: + if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 || + (boot_cpu_data.x86 == 5 && cpu_has_apic)) + break; + goto no_apic; + default: + goto no_apic; + } + + if (!cpu_has_apic) { + /* + * Over-ride BIOS and try to enable the local APIC only if + * "lapic" specified. + */ + if (!force_enable_local_apic) { + printk(KERN_INFO "Local APIC disabled by BIOS -- " + "you can enable it with \"lapic\"\n"); + return -1; + } + /* + * Some BIOSes disable the local APIC in the APIC_BASE + * MSR. This can only be done in software for Intel P6 or later + * and AMD K7 (Model > 1) or later. + */ + rdmsr(MSR_IA32_APICBASE, l, h); + if (!(l & MSR_IA32_APICBASE_ENABLE)) { + printk(KERN_INFO + "Local APIC disabled by BIOS -- reenabling.\n"); + l &= ~MSR_IA32_APICBASE_BASE; + l |= MSR_IA32_APICBASE_ENABLE | APIC_DEFAULT_PHYS_BASE; + wrmsr(MSR_IA32_APICBASE, l, h); + enabled_via_apicbase = 1; + } + } + /* + * The APIC feature bit should now be enabled + * in `cpuid' + */ + features = cpuid_edx(1); + if (!(features & (1 << X86_FEATURE_APIC))) { + printk(KERN_WARNING "Could not enable APIC!\n"); + return -1; + } + set_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); + mp_lapic_addr = APIC_DEFAULT_PHYS_BASE; + + /* The BIOS may have set up the APIC at some other address */ + rdmsr(MSR_IA32_APICBASE, l, h); + if (l & MSR_IA32_APICBASE_ENABLE) + mp_lapic_addr = l & MSR_IA32_APICBASE_BASE; + + printk(KERN_INFO "Found and enabled local APIC!\n"); + + apic_pm_activate(); + + return 0; + +no_apic: + printk(KERN_INFO "No local APIC present or hardware disabled\n"); + return -1; +} +#endif #ifdef CONFIG_X86_64 void __init early_init_lapic_mapping(void) -- GitLab From 773763df7de881e65ff2600c024c9ce2dde64750 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:52 -0700 Subject: [PATCH 5161/6244] x86: merge header files in apic_xx.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 8 ++++++++ arch/x86/kernel/apic_64.c | 7 ++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 1103e05aa1ba..0ec8321e687c 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -23,11 +23,13 @@ #include #include #include +#include #include #include #include #include #include +#include #include #include @@ -36,8 +38,14 @@ #include #include #include +#include #include #include +#include +#include +#include +#include +#include #include #include diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index b7268f5c8b18..ebe417b4d7fc 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -24,9 +24,11 @@ #include #include #include +#include #include #include #include +#include #include #include @@ -34,8 +36,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -43,8 +47,9 @@ #include #include -#include #include +#include +#include /* * Sanity check -- GitLab From dc1528dd864a0b79fa67b60b3ca5674fe94fdce5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:53 -0700 Subject: [PATCH 5162/6244] x86: apic unify smp_spurious/error_interrupt Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 24 +++++++++++++++++++++--- arch/x86/kernel/apic_64.c | 24 ++++++++++++++++++++++-- 2 files changed, 43 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 0ec8321e687c..60a901b2d4fe 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1474,10 +1474,17 @@ int __init APIC_init_uniprocessor(void) /* * This interrupt should _never_ happen with our APIC/SMP architecture */ +#ifdef CONFIG_X86_64 +asmlinkage void smp_spurious_interrupt(void) +#else void smp_spurious_interrupt(struct pt_regs *regs) +#endif { - unsigned long v; + u32 v; +#ifdef CONFIG_X86_64 + exit_idle(); +#endif irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1488,20 +1495,31 @@ void smp_spurious_interrupt(struct pt_regs *regs) if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) ack_APIC_irq(); +#ifdef CONFIG_X86_64 + add_pda(irq_spurious_count, 1); +#else /* see sw-dev-man vol 3, chapter 7.4.13.5 */ printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " "should never happen.\n", smp_processor_id()); __get_cpu_var(irq_stat).irq_spurious_count++; +#endif irq_exit(); } /* * This interrupt should never happen with our APIC/SMP architecture */ +#ifdef CONFIG_X86_64 +asmlinkage void smp_error_interrupt(void) +#else void smp_error_interrupt(struct pt_regs *regs) +#endif { - unsigned long v, v1; + u32 v, v1; +#ifdef CONFIG_X86_64 + exit_idle(); +#endif irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); @@ -1520,7 +1538,7 @@ void smp_error_interrupt(struct pt_regs *regs) 6: Received illegal vector 7: Illegal register address */ - printk(KERN_DEBUG "APIC error on CPU%d: %02lx(%02lx)\n", + printk(KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n", smp_processor_id(), v , v1); irq_exit(); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ebe417b4d7fc..c728885e4f4a 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1528,10 +1528,17 @@ int __init APIC_init_uniprocessor(void) /* * This interrupt should _never_ happen with our APIC/SMP architecture */ +#ifdef CONFIG_X86_64 asmlinkage void smp_spurious_interrupt(void) +#else +void smp_spurious_interrupt(struct pt_regs *regs) +#endif { - unsigned int v; + u32 v; + +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1542,18 +1549,31 @@ asmlinkage void smp_spurious_interrupt(void) if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) ack_APIC_irq(); +#ifdef CONFIG_X86_64 add_pda(irq_spurious_count, 1); +#else + /* see sw-dev-man vol 3, chapter 7.4.13.5 */ + printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " + "should never happen.\n", smp_processor_id()); + __get_cpu_var(irq_stat).irq_spurious_count++; +#endif irq_exit(); } /* * This interrupt should never happen with our APIC/SMP architecture */ +#ifdef CONFIG_X86_64 asmlinkage void smp_error_interrupt(void) +#else +void smp_error_interrupt(struct pt_regs *regs) +#endif { - unsigned int v, v1; + u32 v, v1; +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); -- GitLab From 2f04fa888d270951b9e0fe9e641ddd560d77ad1b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:54 -0700 Subject: [PATCH 5163/6244] x86: apic copy calibrate_APIC_clock to each other in apic_32/64.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 86 +++++++++++++++ arch/x86/kernel/apic_64.c | 215 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 301 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 60a901b2d4fe..05498c37f8d9 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -424,6 +424,90 @@ static void __cpuinit setup_APIC_timer(void) clockevents_register_device(levt); } +#ifdef CONFIG_X86_64 +/* + * In this function we calibrate APIC bus clocks to the external + * timer. Unfortunately we cannot use jiffies and the timer irq + * to calibrate, since some later bootup code depends on getting + * the first irq? Ugh. + * + * We want to do the calibration only once since we + * want to have local timer irqs syncron. CPUs connected + * by the same APIC bus have the very same bus frequency. + * And we want to have irqs off anyways, no accidental + * APIC irq that way. + */ + +#define TICK_COUNT 100000000 + +static int __init calibrate_APIC_clock(void) +{ + unsigned apic, apic_start; + unsigned long tsc, tsc_start; + int result; + + local_irq_disable(); + + /* + * Put whatever arbitrary (but long enough) timeout + * value into the APIC clock, we just want to get the + * counter running for calibration. + * + * No interrupt enable ! + */ + __setup_APIC_LVTT(250000000, 0, 0); + + apic_start = apic_read(APIC_TMCCT); +#ifdef CONFIG_X86_PM_TIMER + if (apic_calibrate_pmtmr && pmtmr_ioport) { + pmtimer_wait(5000); /* 5ms wait */ + apic = apic_read(APIC_TMCCT); + result = (apic_start - apic) * 1000L / 5; + } else +#endif + { + rdtscll(tsc_start); + + do { + apic = apic_read(APIC_TMCCT); + rdtscll(tsc); + } while ((tsc - tsc_start) < TICK_COUNT && + (apic_start - apic) < TICK_COUNT); + + result = (apic_start - apic) * 1000L * tsc_khz / + (tsc - tsc_start); + } + + local_irq_enable(); + + printk(KERN_DEBUG "APIC timer calibration result %d\n", result); + + printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n", + result / 1000 / 1000, result / 1000 % 1000); + + /* Calculate the scaled math multiplication factor */ + lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC, + lapic_clockevent.shift); + lapic_clockevent.max_delta_ns = + clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); + lapic_clockevent.min_delta_ns = + clockevent_delta2ns(0xF, &lapic_clockevent); + + calibration_result = (result * APIC_DIVISOR) / HZ; + + /* + * Do a sanity check on the APIC calibration result + */ + if (calibration_result < (1000000 / HZ)) { + printk(KERN_WARNING + "APIC frequency too slow, disabling apic timer\n"); + return -1; + } + + return 0; +} + +#else /* * In this functions we calibrate APIC bus clocks to the external timer. * @@ -635,6 +719,8 @@ static int __init calibrate_APIC_clock(void) return 0; } +#endif + /* * Setup the boot APIC * diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index c728885e4f4a..6e99af5ce678 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -478,6 +478,7 @@ static void __cpuinit setup_APIC_timer(void) clockevents_register_device(levt); } +#ifdef CONFIG_X86_64 /* * In this function we calibrate APIC bus clocks to the external * timer. Unfortunately we cannot use jiffies and the timer irq @@ -560,6 +561,220 @@ static int __init calibrate_APIC_clock(void) return 0; } +#else +/* + * In this functions we calibrate APIC bus clocks to the external timer. + * + * We want to do the calibration only once since we want to have local timer + * irqs syncron. CPUs connected by the same APIC bus have the very same bus + * frequency. + * + * This was previously done by reading the PIT/HPET and waiting for a wrap + * around to find out, that a tick has elapsed. I have a box, where the PIT + * readout is broken, so it never gets out of the wait loop again. This was + * also reported by others. + * + * Monitoring the jiffies value is inaccurate and the clockevents + * infrastructure allows us to do a simple substitution of the interrupt + * handler. + * + * The calibration routine also uses the pm_timer when possible, as the PIT + * happens to run way too slow (factor 2.3 on my VAIO CoreDuo, which goes + * back to normal later in the boot process). + */ + +#define LAPIC_CAL_LOOPS (HZ/10) + +static __initdata int lapic_cal_loops = -1; +static __initdata long lapic_cal_t1, lapic_cal_t2; +static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2; +static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2; +static __initdata unsigned long lapic_cal_j1, lapic_cal_j2; + +/* + * Temporary interrupt handler. + */ +static void __init lapic_cal_handler(struct clock_event_device *dev) +{ + unsigned long long tsc = 0; + long tapic = apic_read(APIC_TMCCT); + unsigned long pm = acpi_pm_read_early(); + + if (cpu_has_tsc) + rdtscll(tsc); + + switch (lapic_cal_loops++) { + case 0: + lapic_cal_t1 = tapic; + lapic_cal_tsc1 = tsc; + lapic_cal_pm1 = pm; + lapic_cal_j1 = jiffies; + break; + + case LAPIC_CAL_LOOPS: + lapic_cal_t2 = tapic; + lapic_cal_tsc2 = tsc; + if (pm < lapic_cal_pm1) + pm += ACPI_PM_OVRRUN; + lapic_cal_pm2 = pm; + lapic_cal_j2 = jiffies; + break; + } +} + +static int __init calibrate_APIC_clock(void) +{ + struct clock_event_device *levt = &__get_cpu_var(lapic_events); + const long pm_100ms = PMTMR_TICKS_PER_SEC/10; + const long pm_thresh = pm_100ms/100; + void (*real_handler)(struct clock_event_device *dev); + unsigned long deltaj; + long delta, deltapm; + int pm_referenced = 0; + + local_irq_disable(); + + /* Replace the global interrupt handler */ + real_handler = global_clock_event->event_handler; + global_clock_event->event_handler = lapic_cal_handler; + + /* + * Setup the APIC counter to 1e9. There is no way the lapic + * can underflow in the 100ms detection time frame + */ + __setup_APIC_LVTT(1000000000, 0, 0); + + /* Let the interrupts run */ + local_irq_enable(); + + while (lapic_cal_loops <= LAPIC_CAL_LOOPS) + cpu_relax(); + + local_irq_disable(); + + /* Restore the real event handler */ + global_clock_event->event_handler = real_handler; + + /* Build delta t1-t2 as apic timer counts down */ + delta = lapic_cal_t1 - lapic_cal_t2; + apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta); + + /* Check, if the PM timer is available */ + deltapm = lapic_cal_pm2 - lapic_cal_pm1; + apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); + + if (deltapm) { + unsigned long mult; + u64 res; + + mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22); + + if (deltapm > (pm_100ms - pm_thresh) && + deltapm < (pm_100ms + pm_thresh)) { + apic_printk(APIC_VERBOSE, "... PM timer result ok\n"); + } else { + res = (((u64) deltapm) * mult) >> 22; + do_div(res, 1000000); + printk(KERN_WARNING "APIC calibration not consistent " + "with PM Timer: %ldms instead of 100ms\n", + (long)res); + /* Correct the lapic counter value */ + res = (((u64) delta) * pm_100ms); + do_div(res, deltapm); + printk(KERN_INFO "APIC delta adjusted to PM-Timer: " + "%lu (%ld)\n", (unsigned long) res, delta); + delta = (long) res; + } + pm_referenced = 1; + } + + /* Calculate the scaled math multiplication factor */ + lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, + lapic_clockevent.shift); + lapic_clockevent.max_delta_ns = + clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); + lapic_clockevent.min_delta_ns = + clockevent_delta2ns(0xF, &lapic_clockevent); + + calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; + + apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta); + apic_printk(APIC_VERBOSE, "..... mult: %ld\n", lapic_clockevent.mult); + apic_printk(APIC_VERBOSE, "..... calibration result: %u\n", + calibration_result); + + if (cpu_has_tsc) { + delta = (long)(lapic_cal_tsc2 - lapic_cal_tsc1); + apic_printk(APIC_VERBOSE, "..... CPU clock speed is " + "%ld.%04ld MHz.\n", + (delta / LAPIC_CAL_LOOPS) / (1000000 / HZ), + (delta / LAPIC_CAL_LOOPS) % (1000000 / HZ)); + } + + apic_printk(APIC_VERBOSE, "..... host bus clock speed is " + "%u.%04u MHz.\n", + calibration_result / (1000000 / HZ), + calibration_result % (1000000 / HZ)); + + /* + * Do a sanity check on the APIC calibration result + */ + if (calibration_result < (1000000 / HZ)) { + local_irq_enable(); + printk(KERN_WARNING + "APIC frequency too slow, disabling apic timer\n"); + return -1; + } + + levt->features &= ~CLOCK_EVT_FEAT_DUMMY; + + /* We trust the pm timer based calibration */ + if (!pm_referenced) { + apic_printk(APIC_VERBOSE, "... verify APIC timer\n"); + + /* + * Setup the apic timer manually + */ + levt->event_handler = lapic_cal_handler; + lapic_timer_setup(CLOCK_EVT_MODE_PERIODIC, levt); + lapic_cal_loops = -1; + + /* Let the interrupts run */ + local_irq_enable(); + + while (lapic_cal_loops <= LAPIC_CAL_LOOPS) + cpu_relax(); + + local_irq_disable(); + + /* Stop the lapic timer */ + lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt); + + local_irq_enable(); + + /* Jiffies delta */ + deltaj = lapic_cal_j2 - lapic_cal_j1; + apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj); + + /* Check, if the jiffies result is consistent */ + if (deltaj >= LAPIC_CAL_LOOPS-2 && deltaj <= LAPIC_CAL_LOOPS+2) + apic_printk(APIC_VERBOSE, "... jiffies result ok\n"); + else + levt->features |= CLOCK_EVT_FEAT_DUMMY; + } else + local_irq_enable(); + + if (levt->features & CLOCK_EVT_FEAT_DUMMY) { + printk(KERN_WARNING + "APIC timer disabled due to verification failure.\n"); + return -1; + } + + return 0; +} + +#endif + /* * Setup the boot APIC * -- GitLab From 6c15822752a13748241e1a34068f2b15b660d28e Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:55 -0700 Subject: [PATCH 5164/6244] x86: apic copy apic_64.c to apic_32.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 188 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 188 insertions(+) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 05498c37f8d9..0b11d6e3f091 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -90,6 +90,24 @@ static __init int setup_apicpmtimer(char *s) __setup("apicpmtimer", setup_apicpmtimer); #endif +#ifdef CONFIG_X86_64 +#define HAVE_X2APIC +#endif + +#ifdef HAVE_X2APIC +int x2apic; +/* x2apic enabled before OS handover */ +int x2apic_preenabled; +int disable_x2apic; +static __init int setup_nox2apic(char *str) +{ + disable_x2apic = 1; + setup_clear_cpu_cap(X86_FEATURE_X2APIC); + return 0; +} +early_param("nox2apic", setup_nox2apic); +#endif + unsigned long mp_lapic_addr; int disable_apic; /* Disable local APIC timer from the kernel commandline or via dmi quirk */ @@ -231,6 +249,42 @@ static struct apic_ops xapic_ops = { struct apic_ops __read_mostly *apic_ops = &xapic_ops; EXPORT_SYMBOL_GPL(apic_ops); +#ifdef HAVE_X2APIC +static void x2apic_wait_icr_idle(void) +{ + /* no need to wait for icr idle in x2apic */ + return; +} + +static u32 safe_x2apic_wait_icr_idle(void) +{ + /* no need to wait for icr idle in x2apic */ + return 0; +} + +void x2apic_icr_write(u32 low, u32 id) +{ + wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); +} + +u64 x2apic_icr_read(void) +{ + unsigned long val; + + rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); + return val; +} + +static struct apic_ops x2apic_ops = { + .read = native_apic_msr_read, + .write = native_apic_msr_write, + .icr_read = x2apic_icr_read, + .icr_write = x2apic_icr_write, + .wait_icr_idle = x2apic_wait_icr_idle, + .safe_wait_icr_idle = safe_x2apic_wait_icr_idle, +}; +#endif + /** * enable_NMI_through_LVT0 - enable NMI through local vector table 0 */ @@ -1308,6 +1362,127 @@ void __cpuinit end_local_APIC_setup(void) apic_pm_activate(); } +#ifdef HAVE_X2APIC +void check_x2apic(void) +{ + int msr, msr2; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + + if (msr & X2APIC_ENABLE) { + printk("x2apic enabled by BIOS, switching to x2apic ops\n"); + x2apic_preenabled = x2apic = 1; + apic_ops = &x2apic_ops; + } +} + +void enable_x2apic(void) +{ + int msr, msr2; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + if (!(msr & X2APIC_ENABLE)) { + printk("Enabling x2apic\n"); + wrmsr(MSR_IA32_APICBASE, msr | X2APIC_ENABLE, 0); + } +} + +void enable_IR_x2apic(void) +{ +#ifdef CONFIG_INTR_REMAP + int ret; + unsigned long flags; + + if (!cpu_has_x2apic) + return; + + if (!x2apic_preenabled && disable_x2apic) { + printk(KERN_INFO + "Skipped enabling x2apic and Interrupt-remapping " + "because of nox2apic\n"); + return; + } + + if (x2apic_preenabled && disable_x2apic) + panic("Bios already enabled x2apic, can't enforce nox2apic"); + + if (!x2apic_preenabled && skip_ioapic_setup) { + printk(KERN_INFO + "Skipped enabling x2apic and Interrupt-remapping " + "because of skipping io-apic setup\n"); + return; + } + + ret = dmar_table_init(); + if (ret) { + printk(KERN_INFO + "dmar_table_init() failed with %d:\n", ret); + + if (x2apic_preenabled) + panic("x2apic enabled by bios. But IR enabling failed"); + else + printk(KERN_INFO + "Not enabling x2apic,Intr-remapping\n"); + return; + } + + local_irq_save(flags); + mask_8259A(); + save_mask_IO_APIC_setup(); + + ret = enable_intr_remapping(1); + + if (ret && x2apic_preenabled) { + local_irq_restore(flags); + panic("x2apic enabled by bios. But IR enabling failed"); + } + + if (ret) + goto end; + + if (!x2apic) { + x2apic = 1; + apic_ops = &x2apic_ops; + enable_x2apic(); + } +end: + if (ret) + /* + * IR enabling failed + */ + restore_IO_APIC_setup(); + else + reinit_intr_remapped_IO_APIC(x2apic_preenabled); + + unmask_8259A(); + local_irq_restore(flags); + + if (!ret) { + if (!x2apic_preenabled) + printk(KERN_INFO + "Enabled x2apic and interrupt-remapping\n"); + else + printk(KERN_INFO + "Enabled Interrupt-remapping\n"); + } else + printk(KERN_ERR + "Failed to enable Interrupt-remapping and x2apic\n"); +#else + if (!cpu_has_x2apic) + return; + + if (x2apic_preenabled) + panic("x2apic enabled prior OS handover," + " enable CONFIG_INTR_REMAP"); + + printk(KERN_INFO "Enable CONFIG_INTR_REMAP for enabling intr-remapping " + " and x2apic\n"); +#endif + + return; +} +#endif /* HAVE_X2APIC */ + #ifdef CONFIG_X86_64 /* * Detect and enable local APICs on non-SMP boards. @@ -1438,6 +1613,13 @@ void __init early_init_lapic_mapping(void) */ void __init init_apic_mappings(void) { +#ifdef HAVE_X2APIC + if (x2apic) { + boot_cpu_physical_apicid = read_apic_id(); + return; + } +#endif + /* * If no local APIC can be found then set up a fake all * zeroes page to simulate the local APIC and another @@ -1501,6 +1683,7 @@ int __init APIC_init_uniprocessor(void) #ifdef CONFIG_X86_64 setup_apic_routing(); #endif + verify_local_APIC(); connect_bsp_APIC(); @@ -1879,6 +2062,11 @@ static int lapic_resume(struct sys_device *dev) local_irq_save(flags); +#ifdef HAVE_X2APIC + if (x2apic) + enable_x2apic(); + else +#endif { /* * Make sure the APICBASE points to the right address -- GitLab From 0f611ffaea81b8e1c69682188ba1ccaf7683a2ba Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:56 -0700 Subject: [PATCH 5165/6244] x86: rename apic_32.c and apic_64.c to apic.c Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/{apic_64.c => apic.c} | 0 arch/x86/kernel/apic_32.c | 2312 ------------------------- 3 files changed, 1 insertion(+), 2313 deletions(-) rename arch/x86/kernel/{apic_64.c => apic.c} (100%) delete mode 100644 arch/x86/kernel/apic_32.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 7264f9c3af8f..45cecc59d894 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -60,7 +60,7 @@ obj-$(CONFIG_X86_32_SMP) += smpcommon.o obj-$(CONFIG_X86_64_SMP) += tsc_sync.o smpcommon.o obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o obj-$(CONFIG_X86_MPPARSE) += mpparse.o -obj-$(CONFIG_X86_LOCAL_APIC) += apic_$(BITS).o nmi.o +obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o obj-$(CONFIG_X86_IO_APIC) += io_apic.o obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic.c similarity index 100% rename from arch/x86/kernel/apic_64.c rename to arch/x86/kernel/apic.c diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c deleted file mode 100644 index 0b11d6e3f091..000000000000 --- a/arch/x86/kernel/apic_32.c +++ /dev/null @@ -1,2312 +0,0 @@ -/* - * Local APIC handling, local APIC timers - * - * (c) 1999, 2000 Ingo Molnar - * - * Fixes - * Maciej W. Rozycki : Bits for genuine 82489DX APICs; - * thanks to Eric Gilmore - * and Rolf G. Tews - * for testing these extensively. - * Maciej W. Rozycki : Various updates and fixes. - * Mikael Pettersson : Power Management for UP-APIC. - * Pavel Machek and - * Mikael Pettersson : PM converted to driver model. - */ - -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -/* - * Sanity check - */ -#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F) -# error SPURIOUS_APIC_VECTOR definition error -#endif - -#ifdef CONFIG_X86_32 -/* - * Knob to control our willingness to enable the local APIC. - * - * +1=force-enable - */ -static int force_enable_local_apic; -/* - * APIC command line parameters - */ -static int __init parse_lapic(char *arg) -{ - force_enable_local_apic = 1; - return 0; -} -early_param("lapic", parse_lapic); -/* Local APIC was disabled by the BIOS and enabled by the kernel */ -static int enabled_via_apicbase; - -#endif - -#ifdef CONFIG_X86_64 -static int apic_calibrate_pmtmr __initdata; -static __init int setup_apicpmtimer(char *s) -{ - apic_calibrate_pmtmr = 1; - notsc_setup(NULL); - return 0; -} -__setup("apicpmtimer", setup_apicpmtimer); -#endif - -#ifdef CONFIG_X86_64 -#define HAVE_X2APIC -#endif - -#ifdef HAVE_X2APIC -int x2apic; -/* x2apic enabled before OS handover */ -int x2apic_preenabled; -int disable_x2apic; -static __init int setup_nox2apic(char *str) -{ - disable_x2apic = 1; - setup_clear_cpu_cap(X86_FEATURE_X2APIC); - return 0; -} -early_param("nox2apic", setup_nox2apic); -#endif - -unsigned long mp_lapic_addr; -int disable_apic; -/* Disable local APIC timer from the kernel commandline or via dmi quirk */ -static int disable_apic_timer __cpuinitdata; -/* Local APIC timer works in C2 */ -int local_apic_timer_c2_ok; -EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); - -int first_system_vector = 0xfe; - -char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; - -/* - * Debug level, exported for io_apic.c - */ -unsigned int apic_verbosity; - -int pic_mode; - -/* Have we found an MP table */ -int smp_found_config; - -static struct resource lapic_resource = { - .name = "Local APIC", - .flags = IORESOURCE_MEM | IORESOURCE_BUSY, -}; - -static unsigned int calibration_result; - -static int lapic_next_event(unsigned long delta, - struct clock_event_device *evt); -static void lapic_timer_setup(enum clock_event_mode mode, - struct clock_event_device *evt); -static void lapic_timer_broadcast(cpumask_t mask); -static void apic_pm_activate(void); - -/* - * The local apic timer can be used for any function which is CPU local. - */ -static struct clock_event_device lapic_clockevent = { - .name = "lapic", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT - | CLOCK_EVT_FEAT_C3STOP | CLOCK_EVT_FEAT_DUMMY, - .shift = 32, - .set_mode = lapic_timer_setup, - .set_next_event = lapic_next_event, - .broadcast = lapic_timer_broadcast, - .rating = 100, - .irq = -1, -}; -static DEFINE_PER_CPU(struct clock_event_device, lapic_events); - -static unsigned long apic_phys; - -/* - * Get the LAPIC version - */ -static inline int lapic_get_version(void) -{ - return GET_APIC_VERSION(apic_read(APIC_LVR)); -} - -/* - * Check, if the APIC is integrated or a separate chip - */ -static inline int lapic_is_integrated(void) -{ -#ifdef CONFIG_X86_64 - return 1; -#else - return APIC_INTEGRATED(lapic_get_version()); -#endif -} - -/* - * Check, whether this is a modern or a first generation APIC - */ -static int modern_apic(void) -{ - /* AMD systems use old APIC versions, so check the CPU */ - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD && - boot_cpu_data.x86 >= 0xf) - return 1; - return lapic_get_version() >= 0x14; -} - -/* - * Paravirt kernels also might be using these below ops. So we still - * use generic apic_read()/apic_write(), which might be pointing to different - * ops in PARAVIRT case. - */ -void xapic_wait_icr_idle(void) -{ - while (apic_read(APIC_ICR) & APIC_ICR_BUSY) - cpu_relax(); -} - -u32 safe_xapic_wait_icr_idle(void) -{ - u32 send_status; - int timeout; - - timeout = 0; - do { - send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY; - if (!send_status) - break; - udelay(100); - } while (timeout++ < 1000); - - return send_status; -} - -void xapic_icr_write(u32 low, u32 id) -{ - apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id)); - apic_write(APIC_ICR, low); -} - -u64 xapic_icr_read(void) -{ - u32 icr1, icr2; - - icr2 = apic_read(APIC_ICR2); - icr1 = apic_read(APIC_ICR); - - return icr1 | ((u64)icr2 << 32); -} - -static struct apic_ops xapic_ops = { - .read = native_apic_mem_read, - .write = native_apic_mem_write, - .icr_read = xapic_icr_read, - .icr_write = xapic_icr_write, - .wait_icr_idle = xapic_wait_icr_idle, - .safe_wait_icr_idle = safe_xapic_wait_icr_idle, -}; - -struct apic_ops __read_mostly *apic_ops = &xapic_ops; -EXPORT_SYMBOL_GPL(apic_ops); - -#ifdef HAVE_X2APIC -static void x2apic_wait_icr_idle(void) -{ - /* no need to wait for icr idle in x2apic */ - return; -} - -static u32 safe_x2apic_wait_icr_idle(void) -{ - /* no need to wait for icr idle in x2apic */ - return 0; -} - -void x2apic_icr_write(u32 low, u32 id) -{ - wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); -} - -u64 x2apic_icr_read(void) -{ - unsigned long val; - - rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val); - return val; -} - -static struct apic_ops x2apic_ops = { - .read = native_apic_msr_read, - .write = native_apic_msr_write, - .icr_read = x2apic_icr_read, - .icr_write = x2apic_icr_write, - .wait_icr_idle = x2apic_wait_icr_idle, - .safe_wait_icr_idle = safe_x2apic_wait_icr_idle, -}; -#endif - -/** - * enable_NMI_through_LVT0 - enable NMI through local vector table 0 - */ -void __cpuinit enable_NMI_through_LVT0(void) -{ - unsigned int v; - - /* unmask and set to NMI */ - v = APIC_DM_NMI; - - /* Level triggered for 82489DX (32bit mode) */ - if (!lapic_is_integrated()) - v |= APIC_LVT_LEVEL_TRIGGER; - - apic_write(APIC_LVT0, v); -} - -#ifdef CONFIG_X86_32 -/** - * get_physical_broadcast - Get number of physical broadcast IDs - */ -int get_physical_broadcast(void) -{ - return modern_apic() ? 0xff : 0xf; -} -#endif - -/** - * lapic_get_maxlvt - get the maximum number of local vector table entries - */ -int lapic_get_maxlvt(void) -{ - unsigned int v; - - v = apic_read(APIC_LVR); - /* - * - we always have APIC integrated on 64bit mode - * - 82489DXs do not report # of LVT entries - */ - return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2; -} - -/* - * Local APIC timer - */ - -/* Clock divisor */ -#ifdef CONFG_X86_64 -#define APIC_DIVISOR 1 -#else -#define APIC_DIVISOR 16 -#endif - -/* - * This function sets up the local APIC timer, with a timeout of - * 'clocks' APIC bus clock. During calibration we actually call - * this function twice on the boot CPU, once with a bogus timeout - * value, second time for real. The other (noncalibrating) CPUs - * call this function only once, with the real, calibrated value. - * - * We do reads before writes even if unnecessary, to get around the - * P5 APIC double write bug. - */ -static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen) -{ - unsigned int lvtt_value, tmp_value; - - lvtt_value = LOCAL_TIMER_VECTOR; - if (!oneshot) - lvtt_value |= APIC_LVT_TIMER_PERIODIC; - if (!lapic_is_integrated()) - lvtt_value |= SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV); - - if (!irqen) - lvtt_value |= APIC_LVT_MASKED; - - apic_write(APIC_LVTT, lvtt_value); - - /* - * Divide PICLK by 16 - */ - tmp_value = apic_read(APIC_TDCR); - apic_write(APIC_TDCR, - (tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) | - APIC_TDR_DIV_16); - - if (!oneshot) - apic_write(APIC_TMICT, clocks / APIC_DIVISOR); -} - -/* - * Setup extended LVT, AMD specific (K8, family 10h) - * - * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and - * MCE interrupts are supported. Thus MCE offset must be set to 0. - * - * If mask=1, the LVT entry does not generate interrupts while mask=0 - * enables the vector. See also the BKDGs. - */ - -#define APIC_EILVT_LVTOFF_MCE 0 -#define APIC_EILVT_LVTOFF_IBS 1 - -static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask) -{ - unsigned long reg = (lvt_off << 4) + APIC_EILVT0; - unsigned int v = (mask << 16) | (msg_type << 8) | vector; - - apic_write(reg, v); -} - -u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask) -{ - setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask); - return APIC_EILVT_LVTOFF_MCE; -} - -u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask) -{ - setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask); - return APIC_EILVT_LVTOFF_IBS; -} -EXPORT_SYMBOL_GPL(setup_APIC_eilvt_ibs); - -/* - * Program the next event, relative to now - */ -static int lapic_next_event(unsigned long delta, - struct clock_event_device *evt) -{ - apic_write(APIC_TMICT, delta); - return 0; -} - -/* - * Setup the lapic timer in periodic or oneshot mode - */ -static void lapic_timer_setup(enum clock_event_mode mode, - struct clock_event_device *evt) -{ - unsigned long flags; - unsigned int v; - - /* Lapic used as dummy for broadcast ? */ - if (evt->features & CLOCK_EVT_FEAT_DUMMY) - return; - - local_irq_save(flags); - - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - case CLOCK_EVT_MODE_ONESHOT: - __setup_APIC_LVTT(calibration_result, - mode != CLOCK_EVT_MODE_PERIODIC, 1); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - v = apic_read(APIC_LVTT); - v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); - apic_write(APIC_LVTT, v); - break; - case CLOCK_EVT_MODE_RESUME: - /* Nothing to do here */ - break; - } - - local_irq_restore(flags); -} - -/* - * Local APIC timer broadcast function - */ -static void lapic_timer_broadcast(cpumask_t mask) -{ -#ifdef CONFIG_SMP - send_IPI_mask(mask, LOCAL_TIMER_VECTOR); -#endif -} - -/* - * Setup the local APIC timer for this CPU. Copy the initilized values - * of the boot CPU and register the clock event in the framework. - */ -static void __cpuinit setup_APIC_timer(void) -{ - struct clock_event_device *levt = &__get_cpu_var(lapic_events); - - memcpy(levt, &lapic_clockevent, sizeof(*levt)); - levt->cpumask = cpumask_of_cpu(smp_processor_id()); - - clockevents_register_device(levt); -} - -#ifdef CONFIG_X86_64 -/* - * In this function we calibrate APIC bus clocks to the external - * timer. Unfortunately we cannot use jiffies and the timer irq - * to calibrate, since some later bootup code depends on getting - * the first irq? Ugh. - * - * We want to do the calibration only once since we - * want to have local timer irqs syncron. CPUs connected - * by the same APIC bus have the very same bus frequency. - * And we want to have irqs off anyways, no accidental - * APIC irq that way. - */ - -#define TICK_COUNT 100000000 - -static int __init calibrate_APIC_clock(void) -{ - unsigned apic, apic_start; - unsigned long tsc, tsc_start; - int result; - - local_irq_disable(); - - /* - * Put whatever arbitrary (but long enough) timeout - * value into the APIC clock, we just want to get the - * counter running for calibration. - * - * No interrupt enable ! - */ - __setup_APIC_LVTT(250000000, 0, 0); - - apic_start = apic_read(APIC_TMCCT); -#ifdef CONFIG_X86_PM_TIMER - if (apic_calibrate_pmtmr && pmtmr_ioport) { - pmtimer_wait(5000); /* 5ms wait */ - apic = apic_read(APIC_TMCCT); - result = (apic_start - apic) * 1000L / 5; - } else -#endif - { - rdtscll(tsc_start); - - do { - apic = apic_read(APIC_TMCCT); - rdtscll(tsc); - } while ((tsc - tsc_start) < TICK_COUNT && - (apic_start - apic) < TICK_COUNT); - - result = (apic_start - apic) * 1000L * tsc_khz / - (tsc - tsc_start); - } - - local_irq_enable(); - - printk(KERN_DEBUG "APIC timer calibration result %d\n", result); - - printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n", - result / 1000 / 1000, result / 1000 % 1000); - - /* Calculate the scaled math multiplication factor */ - lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC, - lapic_clockevent.shift); - lapic_clockevent.max_delta_ns = - clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); - lapic_clockevent.min_delta_ns = - clockevent_delta2ns(0xF, &lapic_clockevent); - - calibration_result = (result * APIC_DIVISOR) / HZ; - - /* - * Do a sanity check on the APIC calibration result - */ - if (calibration_result < (1000000 / HZ)) { - printk(KERN_WARNING - "APIC frequency too slow, disabling apic timer\n"); - return -1; - } - - return 0; -} - -#else -/* - * In this functions we calibrate APIC bus clocks to the external timer. - * - * We want to do the calibration only once since we want to have local timer - * irqs syncron. CPUs connected by the same APIC bus have the very same bus - * frequency. - * - * This was previously done by reading the PIT/HPET and waiting for a wrap - * around to find out, that a tick has elapsed. I have a box, where the PIT - * readout is broken, so it never gets out of the wait loop again. This was - * also reported by others. - * - * Monitoring the jiffies value is inaccurate and the clockevents - * infrastructure allows us to do a simple substitution of the interrupt - * handler. - * - * The calibration routine also uses the pm_timer when possible, as the PIT - * happens to run way too slow (factor 2.3 on my VAIO CoreDuo, which goes - * back to normal later in the boot process). - */ - -#define LAPIC_CAL_LOOPS (HZ/10) - -static __initdata int lapic_cal_loops = -1; -static __initdata long lapic_cal_t1, lapic_cal_t2; -static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2; -static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2; -static __initdata unsigned long lapic_cal_j1, lapic_cal_j2; - -/* - * Temporary interrupt handler. - */ -static void __init lapic_cal_handler(struct clock_event_device *dev) -{ - unsigned long long tsc = 0; - long tapic = apic_read(APIC_TMCCT); - unsigned long pm = acpi_pm_read_early(); - - if (cpu_has_tsc) - rdtscll(tsc); - - switch (lapic_cal_loops++) { - case 0: - lapic_cal_t1 = tapic; - lapic_cal_tsc1 = tsc; - lapic_cal_pm1 = pm; - lapic_cal_j1 = jiffies; - break; - - case LAPIC_CAL_LOOPS: - lapic_cal_t2 = tapic; - lapic_cal_tsc2 = tsc; - if (pm < lapic_cal_pm1) - pm += ACPI_PM_OVRRUN; - lapic_cal_pm2 = pm; - lapic_cal_j2 = jiffies; - break; - } -} - -static int __init calibrate_APIC_clock(void) -{ - struct clock_event_device *levt = &__get_cpu_var(lapic_events); - const long pm_100ms = PMTMR_TICKS_PER_SEC/10; - const long pm_thresh = pm_100ms/100; - void (*real_handler)(struct clock_event_device *dev); - unsigned long deltaj; - long delta, deltapm; - int pm_referenced = 0; - - local_irq_disable(); - - /* Replace the global interrupt handler */ - real_handler = global_clock_event->event_handler; - global_clock_event->event_handler = lapic_cal_handler; - - /* - * Setup the APIC counter to 1e9. There is no way the lapic - * can underflow in the 100ms detection time frame - */ - __setup_APIC_LVTT(1000000000, 0, 0); - - /* Let the interrupts run */ - local_irq_enable(); - - while (lapic_cal_loops <= LAPIC_CAL_LOOPS) - cpu_relax(); - - local_irq_disable(); - - /* Restore the real event handler */ - global_clock_event->event_handler = real_handler; - - /* Build delta t1-t2 as apic timer counts down */ - delta = lapic_cal_t1 - lapic_cal_t2; - apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta); - - /* Check, if the PM timer is available */ - deltapm = lapic_cal_pm2 - lapic_cal_pm1; - apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); - - if (deltapm) { - unsigned long mult; - u64 res; - - mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22); - - if (deltapm > (pm_100ms - pm_thresh) && - deltapm < (pm_100ms + pm_thresh)) { - apic_printk(APIC_VERBOSE, "... PM timer result ok\n"); - } else { - res = (((u64) deltapm) * mult) >> 22; - do_div(res, 1000000); - printk(KERN_WARNING "APIC calibration not consistent " - "with PM Timer: %ldms instead of 100ms\n", - (long)res); - /* Correct the lapic counter value */ - res = (((u64) delta) * pm_100ms); - do_div(res, deltapm); - printk(KERN_INFO "APIC delta adjusted to PM-Timer: " - "%lu (%ld)\n", (unsigned long) res, delta); - delta = (long) res; - } - pm_referenced = 1; - } - - /* Calculate the scaled math multiplication factor */ - lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, - lapic_clockevent.shift); - lapic_clockevent.max_delta_ns = - clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); - lapic_clockevent.min_delta_ns = - clockevent_delta2ns(0xF, &lapic_clockevent); - - calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS; - - apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta); - apic_printk(APIC_VERBOSE, "..... mult: %ld\n", lapic_clockevent.mult); - apic_printk(APIC_VERBOSE, "..... calibration result: %u\n", - calibration_result); - - if (cpu_has_tsc) { - delta = (long)(lapic_cal_tsc2 - lapic_cal_tsc1); - apic_printk(APIC_VERBOSE, "..... CPU clock speed is " - "%ld.%04ld MHz.\n", - (delta / LAPIC_CAL_LOOPS) / (1000000 / HZ), - (delta / LAPIC_CAL_LOOPS) % (1000000 / HZ)); - } - - apic_printk(APIC_VERBOSE, "..... host bus clock speed is " - "%u.%04u MHz.\n", - calibration_result / (1000000 / HZ), - calibration_result % (1000000 / HZ)); - - /* - * Do a sanity check on the APIC calibration result - */ - if (calibration_result < (1000000 / HZ)) { - local_irq_enable(); - printk(KERN_WARNING - "APIC frequency too slow, disabling apic timer\n"); - return -1; - } - - levt->features &= ~CLOCK_EVT_FEAT_DUMMY; - - /* We trust the pm timer based calibration */ - if (!pm_referenced) { - apic_printk(APIC_VERBOSE, "... verify APIC timer\n"); - - /* - * Setup the apic timer manually - */ - levt->event_handler = lapic_cal_handler; - lapic_timer_setup(CLOCK_EVT_MODE_PERIODIC, levt); - lapic_cal_loops = -1; - - /* Let the interrupts run */ - local_irq_enable(); - - while (lapic_cal_loops <= LAPIC_CAL_LOOPS) - cpu_relax(); - - local_irq_disable(); - - /* Stop the lapic timer */ - lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt); - - local_irq_enable(); - - /* Jiffies delta */ - deltaj = lapic_cal_j2 - lapic_cal_j1; - apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj); - - /* Check, if the jiffies result is consistent */ - if (deltaj >= LAPIC_CAL_LOOPS-2 && deltaj <= LAPIC_CAL_LOOPS+2) - apic_printk(APIC_VERBOSE, "... jiffies result ok\n"); - else - levt->features |= CLOCK_EVT_FEAT_DUMMY; - } else - local_irq_enable(); - - if (levt->features & CLOCK_EVT_FEAT_DUMMY) { - printk(KERN_WARNING - "APIC timer disabled due to verification failure.\n"); - return -1; - } - - return 0; -} - -#endif - -/* - * Setup the boot APIC - * - * Calibrate and verify the result. - */ -void __init setup_boot_APIC_clock(void) -{ - /* - * The local apic timer can be disabled via the kernel - * commandline or from the CPU detection code. Register the lapic - * timer as a dummy clock event source on SMP systems, so the - * broadcast mechanism is used. On UP systems simply ignore it. - */ - if (disable_apic_timer) { - printk(KERN_INFO "Disabling APIC timer\n"); - /* No broadcast on UP ! */ - if (num_possible_cpus() > 1) { - lapic_clockevent.mult = 1; - setup_APIC_timer(); - } - return; - } - - apic_printk(APIC_VERBOSE, "Using local APIC timer interrupts.\n" - "calibrating APIC timer ...\n"); - - if (calibrate_APIC_clock()) { - /* No broadcast on UP ! */ - if (num_possible_cpus() > 1) - setup_APIC_timer(); - return; - } - - /* - * If nmi_watchdog is set to IO_APIC, we need the - * PIT/HPET going. Otherwise register lapic as a dummy - * device. - */ - if (nmi_watchdog != NMI_IO_APIC) - lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY; - else - printk(KERN_WARNING "APIC timer registered as dummy," - " due to nmi_watchdog=%d!\n", nmi_watchdog); - - /* Setup the lapic or request the broadcast */ - setup_APIC_timer(); -} - -void __cpuinit setup_secondary_APIC_clock(void) -{ - setup_APIC_timer(); -} - -/* - * The guts of the apic timer interrupt - */ -static void local_apic_timer_interrupt(void) -{ - int cpu = smp_processor_id(); - struct clock_event_device *evt = &per_cpu(lapic_events, cpu); - - /* - * Normally we should not be here till LAPIC has been initialized but - * in some cases like kdump, its possible that there is a pending LAPIC - * timer interrupt from previous kernel's context and is delivered in - * new kernel the moment interrupts are enabled. - * - * Interrupts are enabled early and LAPIC is setup much later, hence - * its possible that when we get here evt->event_handler is NULL. - * Check for event_handler being NULL and discard the interrupt as - * spurious. - */ - if (!evt->event_handler) { - printk(KERN_WARNING - "Spurious LAPIC timer interrupt on cpu %d\n", cpu); - /* Switch it off */ - lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, evt); - return; - } - - /* - * the NMI deadlock-detector uses this. - */ -#ifdef CONFIG_X86_64 - add_pda(apic_timer_irqs, 1); -#else - per_cpu(irq_stat, cpu).apic_timer_irqs++; -#endif - - evt->event_handler(evt); -} - -/* - * Local APIC timer interrupt. This is the most natural way for doing - * local interrupts, but local timer interrupts can be emulated by - * broadcast interrupts too. [in case the hw doesn't support APIC timers] - * - * [ if a single-CPU system runs an SMP kernel then we call the local - * interrupt as well. Thus we cannot inline the local irq ... ] - */ -void smp_apic_timer_interrupt(struct pt_regs *regs) -{ - struct pt_regs *old_regs = set_irq_regs(regs); - - /* - * NOTE! We'd better ACK the irq immediately, - * because timer handling can be slow. - */ - ack_APIC_irq(); - /* - * update_process_times() expects us to have done irq_enter(). - * Besides, if we don't timer interrupts ignore the global - * interrupt lock, which is the WrongThing (tm) to do. - */ -#ifdef CONFIG_X86_64 - exit_idle(); -#endif - irq_enter(); - local_apic_timer_interrupt(); - irq_exit(); - - set_irq_regs(old_regs); -} - -int setup_profiling_timer(unsigned int multiplier) -{ - return -EINVAL; -} - -/* - * Local APIC start and shutdown - */ - -/** - * clear_local_APIC - shutdown the local APIC - * - * This is called, when a CPU is disabled and before rebooting, so the state of - * the local APIC has no dangling leftovers. Also used to cleanout any BIOS - * leftovers during boot. - */ -void clear_local_APIC(void) -{ - int maxlvt; - u32 v; - - /* APIC hasn't been mapped yet */ - if (!apic_phys) - return; - - maxlvt = lapic_get_maxlvt(); - /* - * Masking an LVT entry can trigger a local APIC error - * if the vector is zero. Mask LVTERR first to prevent this. - */ - if (maxlvt >= 3) { - v = ERROR_APIC_VECTOR; /* any non-zero vector will do */ - apic_write(APIC_LVTERR, v | APIC_LVT_MASKED); - } - /* - * Careful: we have to set masks only first to deassert - * any level-triggered sources. - */ - v = apic_read(APIC_LVTT); - apic_write(APIC_LVTT, v | APIC_LVT_MASKED); - v = apic_read(APIC_LVT0); - apic_write(APIC_LVT0, v | APIC_LVT_MASKED); - v = apic_read(APIC_LVT1); - apic_write(APIC_LVT1, v | APIC_LVT_MASKED); - if (maxlvt >= 4) { - v = apic_read(APIC_LVTPC); - apic_write(APIC_LVTPC, v | APIC_LVT_MASKED); - } - - /* lets not touch this if we didn't frob it */ -#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL) - if (maxlvt >= 5) { - v = apic_read(APIC_LVTTHMR); - apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED); - } -#endif - /* - * Clean APIC state for other OSs: - */ - apic_write(APIC_LVTT, APIC_LVT_MASKED); - apic_write(APIC_LVT0, APIC_LVT_MASKED); - apic_write(APIC_LVT1, APIC_LVT_MASKED); - if (maxlvt >= 3) - apic_write(APIC_LVTERR, APIC_LVT_MASKED); - if (maxlvt >= 4) - apic_write(APIC_LVTPC, APIC_LVT_MASKED); - - /* Integrated APIC (!82489DX) ? */ - if (lapic_is_integrated()) { - if (maxlvt > 3) - /* Clear ESR due to Pentium errata 3AP and 11AP */ - apic_write(APIC_ESR, 0); - apic_read(APIC_ESR); - } -} - -/** - * disable_local_APIC - clear and disable the local APIC - */ -void disable_local_APIC(void) -{ - unsigned int value; - - clear_local_APIC(); - - /* - * Disable APIC (implies clearing of registers - * for 82489DX!). - */ - value = apic_read(APIC_SPIV); - value &= ~APIC_SPIV_APIC_ENABLED; - apic_write(APIC_SPIV, value); - -#ifdef CONFIG_X86_32 - /* - * When LAPIC was disabled by the BIOS and enabled by the kernel, - * restore the disabled state. - */ - if (enabled_via_apicbase) { - unsigned int l, h; - - rdmsr(MSR_IA32_APICBASE, l, h); - l &= ~MSR_IA32_APICBASE_ENABLE; - wrmsr(MSR_IA32_APICBASE, l, h); - } -#endif -} - -/* - * If Linux enabled the LAPIC against the BIOS default disable it down before - * re-entering the BIOS on shutdown. Otherwise the BIOS may get confused and - * not power-off. Additionally clear all LVT entries before disable_local_APIC - * for the case where Linux didn't enable the LAPIC. - */ -void lapic_shutdown(void) -{ - unsigned long flags; - - if (!cpu_has_apic) - return; - - local_irq_save(flags); - -#ifdef CONFIG_X86_32 - if (!enabled_via_apicbase) - clear_local_APIC(); - else -#endif - disable_local_APIC(); - - - local_irq_restore(flags); -} - -/* - * This is to verify that we're looking at a real local APIC. - * Check these against your board if the CPUs aren't getting - * started for no apparent reason. - */ -int __init verify_local_APIC(void) -{ - unsigned int reg0, reg1; - - /* - * The version register is read-only in a real APIC. - */ - reg0 = apic_read(APIC_LVR); - apic_printk(APIC_DEBUG, "Getting VERSION: %x\n", reg0); - apic_write(APIC_LVR, reg0 ^ APIC_LVR_MASK); - reg1 = apic_read(APIC_LVR); - apic_printk(APIC_DEBUG, "Getting VERSION: %x\n", reg1); - - /* - * The two version reads above should print the same - * numbers. If the second one is different, then we - * poke at a non-APIC. - */ - if (reg1 != reg0) - return 0; - - /* - * Check if the version looks reasonably. - */ - reg1 = GET_APIC_VERSION(reg0); - if (reg1 == 0x00 || reg1 == 0xff) - return 0; - reg1 = lapic_get_maxlvt(); - if (reg1 < 0x02 || reg1 == 0xff) - return 0; - - /* - * The ID register is read/write in a real APIC. - */ - reg0 = apic_read(APIC_ID); - apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg0); - apic_write(APIC_ID, reg0 ^ APIC_ID_MASK); - reg1 = apic_read(APIC_ID); - apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg1); - apic_write(APIC_ID, reg0); - if (reg1 != (reg0 ^ APIC_ID_MASK)) - return 0; - - /* - * The next two are just to see if we have sane values. - * They're only really relevant if we're in Virtual Wire - * compatibility mode, but most boxes are anymore. - */ - reg0 = apic_read(APIC_LVT0); - apic_printk(APIC_DEBUG, "Getting LVT0: %x\n", reg0); - reg1 = apic_read(APIC_LVT1); - apic_printk(APIC_DEBUG, "Getting LVT1: %x\n", reg1); - - return 1; -} - -/** - * sync_Arb_IDs - synchronize APIC bus arbitration IDs - */ -void __init sync_Arb_IDs(void) -{ - /* - * Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 And not - * needed on AMD. - */ - if (modern_apic() || boot_cpu_data.x86_vendor == X86_VENDOR_AMD) - return; - - /* - * Wait for idle. - */ - apic_wait_icr_idle(); - - apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, APIC_DEST_ALLINC | - APIC_INT_LEVELTRIG | APIC_DM_INIT); -} - -/* - * An initial setup of the virtual wire mode. - */ -void __init init_bsp_APIC(void) -{ - unsigned int value; - - /* - * Don't do the setup now if we have a SMP BIOS as the - * through-I/O-APIC virtual wire mode might be active. - */ - if (smp_found_config || !cpu_has_apic) - return; - - /* - * Do not trust the local APIC being empty at bootup. - */ - clear_local_APIC(); - - /* - * Enable APIC. - */ - value = apic_read(APIC_SPIV); - value &= ~APIC_VECTOR_MASK; - value |= APIC_SPIV_APIC_ENABLED; - -#ifdef CONFIG_X86_32 - /* This bit is reserved on P4/Xeon and should be cleared */ - if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && - (boot_cpu_data.x86 == 15)) - value &= ~APIC_SPIV_FOCUS_DISABLED; - else -#endif - value |= APIC_SPIV_FOCUS_DISABLED; - value |= SPURIOUS_APIC_VECTOR; - apic_write(APIC_SPIV, value); - - /* - * Set up the virtual wire mode. - */ - apic_write(APIC_LVT0, APIC_DM_EXTINT); - value = APIC_DM_NMI; - if (!lapic_is_integrated()) /* 82489DX */ - value |= APIC_LVT_LEVEL_TRIGGER; - apic_write(APIC_LVT1, value); -} - -static void __cpuinit lapic_setup_esr(void) -{ - unsigned long oldvalue, value, maxlvt; - if (lapic_is_integrated() && !esr_disable) { - if (esr_disable) { - /* - * Something untraceable is creating bad interrupts on - * secondary quads ... for the moment, just leave the - * ESR disabled - we can't do anything useful with the - * errors anyway - mbligh - */ - printk(KERN_INFO "Leaving ESR disabled.\n"); - return; - } - /* !82489DX */ - maxlvt = lapic_get_maxlvt(); - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); - oldvalue = apic_read(APIC_ESR); - - /* enables sending errors */ - value = ERROR_APIC_VECTOR; - apic_write(APIC_LVTERR, value); - /* - * spec says clear errors after enabling vector. - */ - if (maxlvt > 3) - apic_write(APIC_ESR, 0); - value = apic_read(APIC_ESR); - if (value != oldvalue) - apic_printk(APIC_VERBOSE, "ESR value before enabling " - "vector: 0x%08lx after: 0x%08lx\n", - oldvalue, value); - } else { - printk(KERN_INFO "No ESR for 82489DX.\n"); - } -} - - -/** - * setup_local_APIC - setup the local APIC - */ -void __cpuinit setup_local_APIC(void) -{ - unsigned int value; - int i, j; - -#ifdef CONFIG_X86_32 - /* Pound the ESR really hard over the head with a big hammer - mbligh */ - if (esr_disable) { - apic_write(APIC_ESR, 0); - apic_write(APIC_ESR, 0); - apic_write(APIC_ESR, 0); - apic_write(APIC_ESR, 0); - } -#endif - - preempt_disable(); - - /* - * Double-check whether this APIC is really registered. - * This is meaningless in clustered apic mode, so we skip it. - */ - if (!apic_id_registered()) - BUG(); - - /* - * Intel recommends to set DFR, LDR and TPR before enabling - * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel - * document number 292116). So here it goes... - */ - init_apic_ldr(); - - /* - * Set Task Priority to 'accept all'. We never change this - * later on. - */ - value = apic_read(APIC_TASKPRI); - value &= ~APIC_TPRI_MASK; - apic_write(APIC_TASKPRI, value); - - /* - * After a crash, we no longer service the interrupts and a pending - * interrupt from previous kernel might still have ISR bit set. - * - * Most probably by now CPU has serviced that pending interrupt and - * it might not have done the ack_APIC_irq() because it thought, - * interrupt came from i8259 as ExtInt. LAPIC did not get EOI so it - * does not clear the ISR bit and cpu thinks it has already serivced - * the interrupt. Hence a vector might get locked. It was noticed - * for timer irq (vector 0x31). Issue an extra EOI to clear ISR. - */ - for (i = APIC_ISR_NR - 1; i >= 0; i--) { - value = apic_read(APIC_ISR + i*0x10); - for (j = 31; j >= 0; j--) { - if (value & (1< 1) || - (boot_cpu_data.x86 == 15)) - break; - goto no_apic; - case X86_VENDOR_INTEL: - if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 || - (boot_cpu_data.x86 == 5 && cpu_has_apic)) - break; - goto no_apic; - default: - goto no_apic; - } - - if (!cpu_has_apic) { - /* - * Over-ride BIOS and try to enable the local APIC only if - * "lapic" specified. - */ - if (!force_enable_local_apic) { - printk(KERN_INFO "Local APIC disabled by BIOS -- " - "you can enable it with \"lapic\"\n"); - return -1; - } - /* - * Some BIOSes disable the local APIC in the APIC_BASE - * MSR. This can only be done in software for Intel P6 or later - * and AMD K7 (Model > 1) or later. - */ - rdmsr(MSR_IA32_APICBASE, l, h); - if (!(l & MSR_IA32_APICBASE_ENABLE)) { - printk(KERN_INFO - "Local APIC disabled by BIOS -- reenabling.\n"); - l &= ~MSR_IA32_APICBASE_BASE; - l |= MSR_IA32_APICBASE_ENABLE | APIC_DEFAULT_PHYS_BASE; - wrmsr(MSR_IA32_APICBASE, l, h); - enabled_via_apicbase = 1; - } - } - /* - * The APIC feature bit should now be enabled - * in `cpuid' - */ - features = cpuid_edx(1); - if (!(features & (1 << X86_FEATURE_APIC))) { - printk(KERN_WARNING "Could not enable APIC!\n"); - return -1; - } - set_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); - mp_lapic_addr = APIC_DEFAULT_PHYS_BASE; - - /* The BIOS may have set up the APIC at some other address */ - rdmsr(MSR_IA32_APICBASE, l, h); - if (l & MSR_IA32_APICBASE_ENABLE) - mp_lapic_addr = l & MSR_IA32_APICBASE_BASE; - - printk(KERN_INFO "Found and enabled local APIC!\n"); - - apic_pm_activate(); - - return 0; - -no_apic: - printk(KERN_INFO "No local APIC present or hardware disabled\n"); - return -1; -} -#endif - -#ifdef CONFIG_X86_64 -void __init early_init_lapic_mapping(void) -{ - unsigned long phys_addr; - - /* - * If no local APIC can be found then go out - * : it means there is no mpatable and MADT - */ - if (!smp_found_config) - return; - - phys_addr = mp_lapic_addr; - - set_fixmap_nocache(FIX_APIC_BASE, phys_addr); - apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", - APIC_BASE, phys_addr); - - /* - * Fetch the APIC ID of the BSP in case we have a - * default configuration (or the MP table is broken). - */ - boot_cpu_physical_apicid = read_apic_id(); -} -#endif - -/** - * init_apic_mappings - initialize APIC mappings - */ -void __init init_apic_mappings(void) -{ -#ifdef HAVE_X2APIC - if (x2apic) { - boot_cpu_physical_apicid = read_apic_id(); - return; - } -#endif - - /* - * If no local APIC can be found then set up a fake all - * zeroes page to simulate the local APIC and another - * one for the IO-APIC. - */ - if (!smp_found_config && detect_init_APIC()) { - apic_phys = (unsigned long) alloc_bootmem_pages(PAGE_SIZE); - apic_phys = __pa(apic_phys); - } else - apic_phys = mp_lapic_addr; - - set_fixmap_nocache(FIX_APIC_BASE, apic_phys); - apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", - APIC_BASE, apic_phys); - - /* - * Fetch the APIC ID of the BSP in case we have a - * default configuration (or the MP table is broken). - */ - if (boot_cpu_physical_apicid == -1U) - boot_cpu_physical_apicid = read_apic_id(); -} - -/* - * This initializes the IO-APIC and APIC hardware if this is - * a UP kernel. - */ -int apic_version[MAX_APICS]; - -int __init APIC_init_uniprocessor(void) -{ -#ifdef CONFIG_X86_64 - if (disable_apic) { - printk(KERN_INFO "Apic disabled\n"); - return -1; - } - if (!cpu_has_apic) { - disable_apic = 1; - printk(KERN_INFO "Apic disabled by BIOS\n"); - return -1; - } -#else - if (!smp_found_config && !cpu_has_apic) - return -1; - - /* - * Complain if the BIOS pretends there is one. - */ - if (!cpu_has_apic && - APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) { - printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n", - boot_cpu_physical_apicid); - clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); - return -1; - } -#endif - -#ifdef HAVE_X2APIC - enable_IR_x2apic(); -#endif -#ifdef CONFIG_X86_64 - setup_apic_routing(); -#endif - - verify_local_APIC(); - connect_bsp_APIC(); - -#ifdef CONFIG_X86_64 - apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid)); -#else - /* - * Hack: In case of kdump, after a crash, kernel might be booting - * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid - * might be zero if read from MP tables. Get it from LAPIC. - */ -# ifdef CONFIG_CRASH_DUMP - boot_cpu_physical_apicid = read_apic_id(); -# endif -#endif - physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map); - setup_local_APIC(); - -#ifdef CONFIG_X86_64 - /* - * Now enable IO-APICs, actually call clear_IO_APIC - * We need clear_IO_APIC before enabling vector on BP - */ - if (!skip_ioapic_setup && nr_ioapics) - enable_IO_APIC(); -#endif - -#ifdef CONFIG_X86_IO_APIC - if (!smp_found_config || skip_ioapic_setup || !nr_ioapics) -#endif - localise_nmi_watchdog(); - end_local_APIC_setup(); - -#ifdef CONFIG_X86_IO_APIC - if (smp_found_config && !skip_ioapic_setup && nr_ioapics) - setup_IO_APIC(); -# ifdef CONFIG_X86_64 - else - nr_ioapics = 0; -# endif -#endif - -#ifdef CONFIG_X86_64 - setup_boot_APIC_clock(); - check_nmi_watchdog(); -#else - setup_boot_clock(); -#endif - - return 0; -} - -/* - * Local APIC interrupts - */ - -/* - * This interrupt should _never_ happen with our APIC/SMP architecture - */ -#ifdef CONFIG_X86_64 -asmlinkage void smp_spurious_interrupt(void) -#else -void smp_spurious_interrupt(struct pt_regs *regs) -#endif -{ - u32 v; - -#ifdef CONFIG_X86_64 - exit_idle(); -#endif - irq_enter(); - /* - * Check if this really is a spurious interrupt and ACK it - * if it is a vectored one. Just in case... - * Spurious interrupts should not be ACKed. - */ - v = apic_read(APIC_ISR + ((SPURIOUS_APIC_VECTOR & ~0x1f) >> 1)); - if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) - ack_APIC_irq(); - -#ifdef CONFIG_X86_64 - add_pda(irq_spurious_count, 1); -#else - /* see sw-dev-man vol 3, chapter 7.4.13.5 */ - printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " - "should never happen.\n", smp_processor_id()); - __get_cpu_var(irq_stat).irq_spurious_count++; -#endif - irq_exit(); -} - -/* - * This interrupt should never happen with our APIC/SMP architecture - */ -#ifdef CONFIG_X86_64 -asmlinkage void smp_error_interrupt(void) -#else -void smp_error_interrupt(struct pt_regs *regs) -#endif -{ - u32 v, v1; - -#ifdef CONFIG_X86_64 - exit_idle(); -#endif - irq_enter(); - /* First tickle the hardware, only then report what went on. -- REW */ - v = apic_read(APIC_ESR); - apic_write(APIC_ESR, 0); - v1 = apic_read(APIC_ESR); - ack_APIC_irq(); - atomic_inc(&irq_err_count); - - /* Here is what the APIC error bits mean: - 0: Send CS error - 1: Receive CS error - 2: Send accept error - 3: Receive accept error - 4: Reserved - 5: Send illegal vector - 6: Received illegal vector - 7: Illegal register address - */ - printk(KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n", - smp_processor_id(), v , v1); - irq_exit(); -} - -/** - * connect_bsp_APIC - attach the APIC to the interrupt system - */ -void __init connect_bsp_APIC(void) -{ -#ifdef CONFIG_X86_32 - if (pic_mode) { - /* - * Do not trust the local APIC being empty at bootup. - */ - clear_local_APIC(); - /* - * PIC mode, enable APIC mode in the IMCR, i.e. connect BSP's - * local APIC to INT and NMI lines. - */ - apic_printk(APIC_VERBOSE, "leaving PIC mode, " - "enabling APIC mode.\n"); - outb(0x70, 0x22); - outb(0x01, 0x23); - } -#endif - enable_apic_mode(); -} - -/** - * disconnect_bsp_APIC - detach the APIC from the interrupt system - * @virt_wire_setup: indicates, whether virtual wire mode is selected - * - * Virtual wire mode is necessary to deliver legacy interrupts even when the - * APIC is disabled. - */ -void disconnect_bsp_APIC(int virt_wire_setup) -{ - unsigned int value; - -#ifdef CONFIG_X86_32 - if (pic_mode) { - /* - * Put the board back into PIC mode (has an effect only on - * certain older boards). Note that APIC interrupts, including - * IPIs, won't work beyond this point! The only exception are - * INIT IPIs. - */ - apic_printk(APIC_VERBOSE, "disabling APIC mode, " - "entering PIC mode.\n"); - outb(0x70, 0x22); - outb(0x00, 0x23); - return; - } -#endif - - /* Go back to Virtual Wire compatibility mode */ - - /* For the spurious interrupt use vector F, and enable it */ - value = apic_read(APIC_SPIV); - value &= ~APIC_VECTOR_MASK; - value |= APIC_SPIV_APIC_ENABLED; - value |= 0xf; - apic_write(APIC_SPIV, value); - - if (!virt_wire_setup) { - /* - * For LVT0 make it edge triggered, active high, - * external and enabled - */ - value = apic_read(APIC_LVT0); - value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | - APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | - APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED); - value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING; - value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT); - apic_write(APIC_LVT0, value); - } else { - /* Disable LVT0 */ - apic_write(APIC_LVT0, APIC_LVT_MASKED); - } - - /* - * For LVT1 make it edge triggered, active high, - * nmi and enabled - */ - value = apic_read(APIC_LVT1); - value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING | - APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR | - APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED); - value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING; - value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI); - apic_write(APIC_LVT1, value); -} - -void __cpuinit generic_processor_info(int apicid, int version) -{ - int cpu; - cpumask_t tmp_map; - - /* - * Validate version - */ - if (version == 0x0) { - printk(KERN_WARNING "BIOS bug, APIC version is 0 for CPU#%d! " - "fixing up to 0x10. (tell your hw vendor)\n", - version); - version = 0x10; - } - apic_version[apicid] = version; - - if (num_processors >= NR_CPUS) { - printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached." - " Processor ignored.\n", NR_CPUS); - return; - } - - num_processors++; - cpus_complement(tmp_map, cpu_present_map); - cpu = first_cpu(tmp_map); - - physid_set(apicid, phys_cpu_present_map); - if (apicid == boot_cpu_physical_apicid) { - /* - * x86_bios_cpu_apicid is required to have processors listed - * in same order as logical cpu numbers. Hence the first - * entry is BSP, and so on. - */ - cpu = 0; - } - if (apicid > max_physical_apicid) - max_physical_apicid = apicid; - -#ifdef CONFIG_X86_32 - /* - * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y - * but we need to work other dependencies like SMP_SUSPEND etc - * before this can be done without some confusion. - * if (CPU_HOTPLUG_ENABLED || num_processors > 8) - * - Ashok Raj - */ - if (max_physical_apicid >= 8) { - switch (boot_cpu_data.x86_vendor) { - case X86_VENDOR_INTEL: - if (!APIC_XAPIC(version)) { - def_to_bigsmp = 0; - break; - } - /* If P4 and above fall through */ - case X86_VENDOR_AMD: - def_to_bigsmp = 1; - } - } -#endif - -#if defined(CONFIG_X86_SMP) || defined(CONFIG_X86_64) - /* are we being called early in kernel startup? */ - if (early_per_cpu_ptr(x86_cpu_to_apicid)) { - u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid); - u16 *bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); - - cpu_to_apicid[cpu] = apicid; - bios_cpu_apicid[cpu] = apicid; - } else { - per_cpu(x86_cpu_to_apicid, cpu) = apicid; - per_cpu(x86_bios_cpu_apicid, cpu) = apicid; - } -#endif - - cpu_set(cpu, cpu_possible_map); - cpu_set(cpu, cpu_present_map); -} - -#ifdef CONFIG_X86_64 -int hard_smp_processor_id(void) -{ - return read_apic_id(); -} -#endif - -/* - * Power management - */ -#ifdef CONFIG_PM - -static struct { - /* - * 'active' is true if the local APIC was enabled by us and - * not the BIOS; this signifies that we are also responsible - * for disabling it before entering apm/acpi suspend - */ - int active; - /* r/w apic fields */ - unsigned int apic_id; - unsigned int apic_taskpri; - unsigned int apic_ldr; - unsigned int apic_dfr; - unsigned int apic_spiv; - unsigned int apic_lvtt; - unsigned int apic_lvtpc; - unsigned int apic_lvt0; - unsigned int apic_lvt1; - unsigned int apic_lvterr; - unsigned int apic_tmict; - unsigned int apic_tdcr; - unsigned int apic_thmr; -} apic_pm_state; - -static int lapic_suspend(struct sys_device *dev, pm_message_t state) -{ - unsigned long flags; - int maxlvt; - - if (!apic_pm_state.active) - return 0; - - maxlvt = lapic_get_maxlvt(); - - apic_pm_state.apic_id = apic_read(APIC_ID); - apic_pm_state.apic_taskpri = apic_read(APIC_TASKPRI); - apic_pm_state.apic_ldr = apic_read(APIC_LDR); - apic_pm_state.apic_dfr = apic_read(APIC_DFR); - apic_pm_state.apic_spiv = apic_read(APIC_SPIV); - apic_pm_state.apic_lvtt = apic_read(APIC_LVTT); - if (maxlvt >= 4) - apic_pm_state.apic_lvtpc = apic_read(APIC_LVTPC); - apic_pm_state.apic_lvt0 = apic_read(APIC_LVT0); - apic_pm_state.apic_lvt1 = apic_read(APIC_LVT1); - apic_pm_state.apic_lvterr = apic_read(APIC_LVTERR); - apic_pm_state.apic_tmict = apic_read(APIC_TMICT); - apic_pm_state.apic_tdcr = apic_read(APIC_TDCR); -#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) - if (maxlvt >= 5) - apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR); -#endif - - local_irq_save(flags); - disable_local_APIC(); - local_irq_restore(flags); - return 0; -} - -static int lapic_resume(struct sys_device *dev) -{ - unsigned int l, h; - unsigned long flags; - int maxlvt; - - if (!apic_pm_state.active) - return 0; - - maxlvt = lapic_get_maxlvt(); - - local_irq_save(flags); - -#ifdef HAVE_X2APIC - if (x2apic) - enable_x2apic(); - else -#endif - { - /* - * Make sure the APICBASE points to the right address - * - * FIXME! This will be wrong if we ever support suspend on - * SMP! We'll need to do this as part of the CPU restore! - */ - rdmsr(MSR_IA32_APICBASE, l, h); - l &= ~MSR_IA32_APICBASE_BASE; - l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr; - wrmsr(MSR_IA32_APICBASE, l, h); - } - - apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED); - apic_write(APIC_ID, apic_pm_state.apic_id); - apic_write(APIC_DFR, apic_pm_state.apic_dfr); - apic_write(APIC_LDR, apic_pm_state.apic_ldr); - apic_write(APIC_TASKPRI, apic_pm_state.apic_taskpri); - apic_write(APIC_SPIV, apic_pm_state.apic_spiv); - apic_write(APIC_LVT0, apic_pm_state.apic_lvt0); - apic_write(APIC_LVT1, apic_pm_state.apic_lvt1); -#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL) - if (maxlvt >= 5) - apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr); -#endif - if (maxlvt >= 4) - apic_write(APIC_LVTPC, apic_pm_state.apic_lvtpc); - apic_write(APIC_LVTT, apic_pm_state.apic_lvtt); - apic_write(APIC_TDCR, apic_pm_state.apic_tdcr); - apic_write(APIC_TMICT, apic_pm_state.apic_tmict); - apic_write(APIC_ESR, 0); - apic_read(APIC_ESR); - apic_write(APIC_LVTERR, apic_pm_state.apic_lvterr); - apic_write(APIC_ESR, 0); - apic_read(APIC_ESR); - - local_irq_restore(flags); - - return 0; -} - -/* - * This device has no shutdown method - fully functioning local APICs - * are needed on every CPU up until machine_halt/restart/poweroff. - */ - -static struct sysdev_class lapic_sysclass = { - .name = "lapic", - .resume = lapic_resume, - .suspend = lapic_suspend, -}; - -static struct sys_device device_lapic = { - .id = 0, - .cls = &lapic_sysclass, -}; - -static void __cpuinit apic_pm_activate(void) -{ - apic_pm_state.active = 1; -} - -static int __init init_lapic_sysfs(void) -{ - int error; - - if (!cpu_has_apic) - return 0; - /* XXX: remove suspend/resume procs if !apic_pm_state.active? */ - - error = sysdev_class_register(&lapic_sysclass); - if (!error) - error = sysdev_register(&device_lapic); - return error; -} -device_initcall(init_lapic_sysfs); - -#else /* CONFIG_PM */ - -static void apic_pm_activate(void) { } - -#endif /* CONFIG_PM */ - -#ifdef CONFIG_X86_64 -/* - * apic_is_clustered_box() -- Check if we can expect good TSC - * - * Thus far, the major user of this is IBM's Summit2 series: - * - * Clustered boxes may have unsynced TSC problems if they are - * multi-chassis. Use available data to take a good guess. - * If in doubt, go HPET. - */ -__cpuinit int apic_is_clustered_box(void) -{ - int i, clusters, zeros; - unsigned id; - u16 *bios_cpu_apicid; - DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS); - - /* - * there is not this kind of box with AMD CPU yet. - * Some AMD box with quadcore cpu and 8 sockets apicid - * will be [4, 0x23] or [8, 0x27] could be thought to - * vsmp box still need checking... - */ - if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && !is_vsmp_box()) - return 0; - - bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); - bitmap_zero(clustermap, NUM_APIC_CLUSTERS); - - for (i = 0; i < NR_CPUS; i++) { - /* are we being called early in kernel startup? */ - if (bios_cpu_apicid) { - id = bios_cpu_apicid[i]; - } - else if (i < nr_cpu_ids) { - if (cpu_present(i)) - id = per_cpu(x86_bios_cpu_apicid, i); - else - continue; - } - else - break; - - if (id != BAD_APICID) - __set_bit(APIC_CLUSTERID(id), clustermap); - } - - /* Problem: Partially populated chassis may not have CPUs in some of - * the APIC clusters they have been allocated. Only present CPUs have - * x86_bios_cpu_apicid entries, thus causing zeroes in the bitmap. - * Since clusters are allocated sequentially, count zeros only if - * they are bounded by ones. - */ - clusters = 0; - zeros = 0; - for (i = 0; i < NUM_APIC_CLUSTERS; i++) { - if (test_bit(i, clustermap)) { - clusters += 1 + zeros; - zeros = 0; - } else - ++zeros; - } - - /* ScaleMP vSMPowered boxes have one cluster per board and TSCs are - * not guaranteed to be synced between boards - */ - if (is_vsmp_box() && clusters > 1) - return 1; - - /* - * If clusters > 2, then should be multi-chassis. - * May have to revisit this when multi-core + hyperthreaded CPUs come - * out, but AFAIK this will work even for them. - */ - return (clusters > 2); -} -#endif - -/* - * APIC command line parameters - */ -static int __init setup_disableapic(char *arg) -{ - disable_apic = 1; - setup_clear_cpu_cap(X86_FEATURE_APIC); - return 0; -} -early_param("disableapic", setup_disableapic); - -/* same as disableapic, for compatibility */ -static int __init setup_nolapic(char *arg) -{ - return setup_disableapic(arg); -} -early_param("nolapic", setup_nolapic); - -static int __init parse_lapic_timer_c2_ok(char *arg) -{ - local_apic_timer_c2_ok = 1; - return 0; -} -early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok); - -static int __init parse_disable_apic_timer(char *arg) -{ - disable_apic_timer = 1; - return 0; -} -early_param("noapictimer", parse_disable_apic_timer); - -static int __init parse_nolapic_timer(char *arg) -{ - disable_apic_timer = 1; - return 0; -} -early_param("nolapic_timer", parse_nolapic_timer); - -static int __init apic_set_verbosity(char *arg) -{ - if (!arg) { -#ifdef CONFIG_X86_64 - skip_ioapic_setup = 0; - ioapic_force = 1; - return 0; -#endif - return -EINVAL; - } - - if (strcmp("debug", arg) == 0) - apic_verbosity = APIC_DEBUG; - else if (strcmp("verbose", arg) == 0) - apic_verbosity = APIC_VERBOSE; - else { - printk(KERN_WARNING "APIC Verbosity level %s not recognised" - " use apic=verbose or apic=debug\n", arg); - return -EINVAL; - } - - return 0; -} -early_param("apic", apic_set_verbosity); - -static int __init lapic_insert_resource(void) -{ - if (!apic_phys) - return -1; - - /* Put local APIC into the resource map. */ - lapic_resource.start = apic_phys; - lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1; - insert_resource(&iomem_resource, &lapic_resource); - - return 0; -} - -/* - * need call insert after e820_reserve_resources() - * that is using request_resource - */ -late_initcall(lapic_insert_resource); -- GitLab From e492c5ae85428d4a3815d06bf308c590120b928b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 22:41:26 -0700 Subject: [PATCH 5166/6244] x86: let 64 bit to use 32 bit calibrate_apic_clock Use the 32-bit APIC calibration code - it's more mature. Signed-of-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 88 +----------------------------------------- 1 file changed, 2 insertions(+), 86 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 6e99af5ce678..ca5ef71f4208 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -478,90 +478,6 @@ static void __cpuinit setup_APIC_timer(void) clockevents_register_device(levt); } -#ifdef CONFIG_X86_64 -/* - * In this function we calibrate APIC bus clocks to the external - * timer. Unfortunately we cannot use jiffies and the timer irq - * to calibrate, since some later bootup code depends on getting - * the first irq? Ugh. - * - * We want to do the calibration only once since we - * want to have local timer irqs syncron. CPUs connected - * by the same APIC bus have the very same bus frequency. - * And we want to have irqs off anyways, no accidental - * APIC irq that way. - */ - -#define TICK_COUNT 100000000 - -static int __init calibrate_APIC_clock(void) -{ - unsigned apic, apic_start; - unsigned long tsc, tsc_start; - int result; - - local_irq_disable(); - - /* - * Put whatever arbitrary (but long enough) timeout - * value into the APIC clock, we just want to get the - * counter running for calibration. - * - * No interrupt enable ! - */ - __setup_APIC_LVTT(250000000, 0, 0); - - apic_start = apic_read(APIC_TMCCT); -#ifdef CONFIG_X86_PM_TIMER - if (apic_calibrate_pmtmr && pmtmr_ioport) { - pmtimer_wait(5000); /* 5ms wait */ - apic = apic_read(APIC_TMCCT); - result = (apic_start - apic) * 1000L / 5; - } else -#endif - { - rdtscll(tsc_start); - - do { - apic = apic_read(APIC_TMCCT); - rdtscll(tsc); - } while ((tsc - tsc_start) < TICK_COUNT && - (apic_start - apic) < TICK_COUNT); - - result = (apic_start - apic) * 1000L * tsc_khz / - (tsc - tsc_start); - } - - local_irq_enable(); - - printk(KERN_DEBUG "APIC timer calibration result %d\n", result); - - printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n", - result / 1000 / 1000, result / 1000 % 1000); - - /* Calculate the scaled math multiplication factor */ - lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC, - lapic_clockevent.shift); - lapic_clockevent.max_delta_ns = - clockevent_delta2ns(0x7FFFFF, &lapic_clockevent); - lapic_clockevent.min_delta_ns = - clockevent_delta2ns(0xF, &lapic_clockevent); - - calibration_result = (result * APIC_DIVISOR) / HZ; - - /* - * Do a sanity check on the APIC calibration result - */ - if (calibration_result < (1000000 / HZ)) { - printk(KERN_WARNING - "APIC frequency too slow, disabling apic timer\n"); - return -1; - } - - return 0; -} - -#else /* * In this functions we calibrate APIC bus clocks to the external timer. * @@ -659,6 +575,7 @@ static int __init calibrate_APIC_clock(void) delta = lapic_cal_t1 - lapic_cal_t2; apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta); +#ifdef CONFIG_X86_PM_TIMER /* Check, if the PM timer is available */ deltapm = lapic_cal_pm2 - lapic_cal_pm1; apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); @@ -687,6 +604,7 @@ static int __init calibrate_APIC_clock(void) } pm_referenced = 1; } +#endif /* Calculate the scaled math multiplication factor */ lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, @@ -773,8 +691,6 @@ static int __init calibrate_APIC_clock(void) return 0; } -#endif - /* * Setup the boot APIC * -- GitLab From 8c464a4b23ca283b414022ebc77787f3c7040fa7 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Mon, 25 Aug 2008 12:41:19 -0700 Subject: [PATCH 5167/6244] sparseirq: move kstat_irqs from kstat to irq_desc - fix fix non-sparseirq architectures. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- include/linux/irq.h | 4 ++-- include/linux/kernel_stat.h | 10 ++++++++-- kernel/irq/chip.c | 21 ++++++++++++++++++++- kernel/irq/handle.c | 10 ++++++++++ 4 files changed, 40 insertions(+), 5 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 2445d2b3d5dc..93fe9a943e71 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -161,8 +161,6 @@ struct irq_desc { #endif #ifdef CONFIG_HAVE_DYN_ARRAY unsigned int *kstat_irqs; -#else - unsigned int kstat_irqs[NR_CPUS]; #endif #if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ) struct irq_2_iommu *irq_2_iommu; @@ -219,8 +217,10 @@ extern struct irq_desc *sparse_irqs; #endif +#ifdef CONFIG_HAVE_DYN_ARRAY #define kstat_irqs_this_cpu(DESC) \ ((DESC)->kstat_irqs[smp_processor_id()]) +#endif /* * Migration helpers for obsolete names, they will go away: diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index f10616712de5..21249d8c1293 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -28,7 +28,7 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; -#ifndef CONFIG_GENERIC_HARDIRQS +#ifndef CONFIG_HAVE_DYN_ARRAY unsigned int irqs[NR_IRQS]; #endif }; @@ -41,7 +41,13 @@ DECLARE_PER_CPU(struct kernel_stat, kstat); extern unsigned long long nr_context_switches(void); -#ifndef CONFIG_GENERIC_HARDIRQS +#ifndef CONFIG_HAVE_DYN_ARRAY +#define kstat_irqs_this_cpu(irq) \ + (kstat_this_cpu.irqs[irq]) +#endif + + +#ifndef CONFIG_HAVE_DYN_ARRAY static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) { return kstat_cpu(cpu).irqs[irq]; diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 9fc5e69213de..4ef555c50db8 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -327,7 +327,11 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif action = desc->action; if (unlikely(!action || (desc->status & IRQ_DISABLED))) @@ -368,7 +372,11 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif /* * If its disabled or no action available @@ -415,7 +423,11 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) goto out; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif /* * If its disabled or no action available @@ -479,8 +491,11 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) mask_ack_irq(desc, irq); goto out_unlock; } - +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif /* Start handling the irq */ desc->chip->ack(irq); @@ -535,7 +550,11 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) { irqreturn_t action_ret; +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif if (desc->chip->ack) desc->chip->ack(irq); diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index d638a911cbc1..eae69373a9c6 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -34,7 +34,11 @@ void handle_bad_irq(unsigned int irq, struct irq_desc *desc) { print_irq_desc(irq, desc); +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif ack_bad_irq(irq); } @@ -401,7 +405,11 @@ unsigned int __do_IRQ(unsigned int irq) struct irqaction *action; unsigned int status; +#ifdef CONFIG_HAVE_DYN_ARRAY kstat_irqs_this_cpu(desc)++; +#else + kstat_irqs_this_cpu(irq)++; +#endif if (CHECK_IRQ_PER_CPU(desc->status)) { irqreturn_t action_ret; @@ -501,10 +509,12 @@ void early_init_irq_lock_class(void) } #endif +#ifdef CONFIG_HAVE_DYN_ARRAY unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) { struct irq_desc *desc = irq_to_desc(irq); return desc->kstat_irqs[cpu]; } +#endif EXPORT_SYMBOL(kstat_irqs_cpu); -- GitLab From 1dd6ba2e179773597e20f17f66049a64e6c4b2ec Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 25 Aug 2008 21:27:26 +0400 Subject: [PATCH 5168/6244] x86: apic - unify smp_spurious/error_interrupt declaration According to entry_64.S we do pass pt_regs pointer into interrupt handlers but don't use them. So we safely may merge the declarations. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 8 -------- include/asm-x86/hw_irq.h | 5 ----- 2 files changed, 13 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index ca5ef71f4208..0556f375e40b 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1659,11 +1659,7 @@ int __init APIC_init_uniprocessor(void) /* * This interrupt should _never_ happen with our APIC/SMP architecture */ -#ifdef CONFIG_X86_64 -asmlinkage void smp_spurious_interrupt(void) -#else void smp_spurious_interrupt(struct pt_regs *regs) -#endif { u32 v; @@ -1694,11 +1690,7 @@ void smp_spurious_interrupt(struct pt_regs *regs) /* * This interrupt should never happen with our APIC/SMP architecture */ -#ifdef CONFIG_X86_64 -asmlinkage void smp_error_interrupt(void) -#else void smp_error_interrupt(struct pt_regs *regs) -#endif { u32 v, v1; diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h index 39c7a4745d25..749d042f0556 100644 --- a/include/asm-x86/hw_irq.h +++ b/include/asm-x86/hw_irq.h @@ -96,13 +96,8 @@ extern asmlinkage void qic_call_function_interrupt(void); /* SMP */ extern void smp_apic_timer_interrupt(struct pt_regs *); -#ifdef CONFIG_X86_32 extern void smp_spurious_interrupt(struct pt_regs *); extern void smp_error_interrupt(struct pt_regs *); -#else -extern asmlinkage void smp_spurious_interrupt(void); -extern asmlinkage void smp_error_interrupt(void); -#endif #ifdef CONFIG_X86_SMP extern void smp_reschedule_interrupt(struct pt_regs *); extern void smp_call_function_interrupt(struct pt_regs *); -- GitLab From c59d85a7b7822b83fc9783314543eea0ca860480 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 28 Aug 2008 08:56:33 +0200 Subject: [PATCH 5169/6244] sparseirq: export nr_irqs on m68k/sparc/s390 Stephen Rothwell reported such build failures on m68k/sparc/s390: > ERROR: "nr_irqs" [drivers/net/hamradio/baycom_ser_fdx.ko] undefined! > ERROR: "nr_irqs" [drivers/net/3c59x.ko] undefined! export nr_irqs on these architectures too. Reported-by: Stephen Rothwell Signed-off-by: Ingo Molnar --- arch/m68k/kernel/ints.c | 1 + arch/s390/kernel/irq.c | 1 + arch/sparc/kernel/irq.c | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 74453d15692e..44169e4cd91d 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -47,6 +47,7 @@ #endif int nr_irqs = NR_IRQS; +EXPORT_SYMBOL(nr_irqs); extern u32 auto_irqhandler_fixup[]; extern u32 user_irqhandler_fixup[]; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 14eb5496c8a8..3624c4a0037a 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -18,6 +18,7 @@ #include int nr_irqs = NR_IRQS; +EXPORT_SYMBOL(nr_irqs); /* * show_interrupts is needed by /proc/interrupts. diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 059598b7e0f0..4b99e3ce3916 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -57,6 +57,7 @@ #endif /* SMP */ int nr_irqs = NR_IRQS; +EXPORT_SYMBOL(nr_irqs); unsigned long __raw_local_irq_save(void) { -- GitLab From a11b5abef50722e42a7d13f6b799c4f606fcb797 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 3 Sep 2008 16:58:31 -0700 Subject: [PATCH 5170/6244] x2apic: fix reserved APIC register accesses in print_local_APIC() APIC_ARBPRI is a reserved register for XAPIC and beyond. APIC_RRR is a reserved register except for 82489DX, APIC for Pentium processors. APIC_EOI is a write only register. APIC_DFR is reserved in x2apic mode. Access to these registers in x2apic will result in #GP fault. Fix these apic register accesses. Signed-off-by: Yinghai Lu Signed-off-by: Suresh Siddha Cc: Maciej W. Rozycki Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 27 ++++++++++++++++++--------- include/asm-x86/apic.h | 14 ++++++++++++++ 2 files changed, 32 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index d28128e0392c..93ceb19d1e90 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1751,21 +1751,30 @@ __apicdebuginit(void) print_local_APIC(void *dummy) printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK); if (APIC_INTEGRATED(ver)) { /* !82489DX */ - v = apic_read(APIC_ARBPRI); - printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, - v & APIC_ARBPRI_MASK); + if (!APIC_XAPIC(ver)) { + v = apic_read(APIC_ARBPRI); + printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, + v & APIC_ARBPRI_MASK); + } v = apic_read(APIC_PROCPRI); printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v); } - v = apic_read(APIC_EOI); - printk(KERN_DEBUG "... APIC EOI: %08x\n", v); - v = apic_read(APIC_RRR); - printk(KERN_DEBUG "... APIC RRR: %08x\n", v); + /* + * Remote read supported only in the 82489DX and local APIC for + * Pentium processors. + */ + if (!APIC_INTEGRATED(ver) || maxlvt == 3) { + v = apic_read(APIC_RRR); + printk(KERN_DEBUG "... APIC RRR: %08x\n", v); + } + v = apic_read(APIC_LDR); printk(KERN_DEBUG "... APIC LDR: %08x\n", v); - v = apic_read(APIC_DFR); - printk(KERN_DEBUG "... APIC DFR: %08x\n", v); + if (!x2apic_enabled()) { + v = apic_read(APIC_DFR); + printk(KERN_DEBUG "... APIC DFR: %08x\n", v); + } v = apic_read(APIC_SPIV); printk(KERN_DEBUG "... APIC SPIV: %08x\n", v); diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h index 2d970f6bc2a1..ef1d72dbdfe0 100644 --- a/include/asm-x86/apic.h +++ b/include/asm-x86/apic.h @@ -98,6 +98,20 @@ extern void check_x2apic(void); extern void enable_x2apic(void); extern void enable_IR_x2apic(void); extern void x2apic_icr_write(u32 low, u32 id); +static inline int x2apic_enabled(void) +{ + int msr, msr2; + + if (!cpu_has_x2apic) + return 0; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + if (msr & X2APIC_ENABLE) + return 1; + return 0; +} +#else +#define x2apic_enabled() 0 #endif struct apic_ops { -- GitLab From f6dd5c3106fb283e37d915eeb33019ef40510f85 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 3 Sep 2008 16:58:32 -0700 Subject: [PATCH 5171/6244] dmar: fix using early fixmap mapping for DMAR table parsing Very early detection of the DMAR tables will setup fixmap mapping. For parsing these tables later (while enabling dma and/or interrupt remapping), early fixmap mapping shouldn't be used. Fix it by calling table detection routines again, which will call generic apci_get_table() for setting up the correct mapping. Signed-off-by: Yinghai Lu Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 49 +++++++++++++++++++++++++------------------- include/linux/dmar.h | 1 - 2 files changed, 28 insertions(+), 22 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index bd2c01674f5e..f2c5eb6e78f7 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -289,6 +289,24 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header) } } +/** + * dmar_table_detect - checks to see if the platform supports DMAR devices + */ +static int __init dmar_table_detect(void) +{ + acpi_status status = AE_OK; + + /* if we could find DMAR table, then there are DMAR devices */ + status = acpi_get_table(ACPI_SIG_DMAR, 0, + (struct acpi_table_header **)&dmar_tbl); + + if (ACPI_SUCCESS(status) && !dmar_tbl) { + printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); + status = AE_NOT_FOUND; + } + + return (ACPI_SUCCESS(status) ? 1 : 0); +} /** * parse_dmar_table - parses the DMA reporting table @@ -300,6 +318,12 @@ parse_dmar_table(void) struct acpi_dmar_header *entry_header; int ret = 0; + /* + * Do it again, earlier dmar_tbl mapping could be mapped with + * fixed map. + */ + dmar_table_detect(); + dmar = (struct acpi_table_dmar *)dmar_tbl; if (!dmar) return -ENODEV; @@ -430,30 +454,11 @@ int __init dmar_table_init(void) return 0; } -/** - * early_dmar_detect - checks to see if the platform supports DMAR devices - */ -int __init early_dmar_detect(void) -{ - acpi_status status = AE_OK; - - /* if we could find DMAR table, then there are DMAR devices */ - status = acpi_get_table(ACPI_SIG_DMAR, 0, - (struct acpi_table_header **)&dmar_tbl); - - if (ACPI_SUCCESS(status) && !dmar_tbl) { - printk (KERN_WARNING PREFIX "Unable to map DMAR\n"); - status = AE_NOT_FOUND; - } - - return (ACPI_SUCCESS(status) ? 1 : 0); -} - void __init detect_intel_iommu(void) { int ret; - ret = early_dmar_detect(); + ret = dmar_table_detect(); #ifdef CONFIG_DMAR { @@ -479,14 +484,16 @@ void __init detect_intel_iommu(void) " x2apic support\n"); dmar_disabled = 1; - return; + goto end; } if (ret && !no_iommu && !iommu_detected && !swiotlb && !dmar_disabled) iommu_detected = 1; } +end: #endif + dmar_tbl = NULL; } diff --git a/include/linux/dmar.h b/include/linux/dmar.h index c360c558e59e..f1984fc3e06d 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -45,7 +45,6 @@ extern struct list_head dmar_drhd_units; list_for_each_entry(drhd, &dmar_drhd_units, list) extern int dmar_table_init(void); -extern int early_dmar_detect(void); extern int dmar_dev_scope_init(void); /* Intel IOMMU detection */ -- GitLab From 74d04bd7dcb4c6130fd8a314d28bfecc9ae7c360 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 3 Sep 2008 16:58:33 -0700 Subject: [PATCH 5172/6244] dmar: initialize the return value in dmar_parse_dev() initialize the return value in dmar_parse_dev() Signed-off-by: Yinghai Lu Signed-off-by: Suresh Siddha Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index f2c5eb6e78f7..d281a03695f7 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -193,7 +193,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru) { struct acpi_dmar_hardware_unit *drhd; static int include_all; - int ret; + int ret = 0; drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr; -- GitLab From 04e2ea67069e285404192a35c24dfe7c53b9c61f Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 3 Sep 2008 16:58:34 -0700 Subject: [PATCH 5173/6244] dmar: use list_for_each_entry_safe() in dmar_dev_scope_init() In dmar_dev_scope_init(), functions called under for_each_drhd_unit()/ for_each_rmrr_units() can delete the list entry under some error conditions. So we should use list_for_each_entry_safe() for safe traversal. Signed-off-by: Suresh Siddha Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index d281a03695f7..ceb338dfa3f2 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -397,10 +397,10 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev) int __init dmar_dev_scope_init(void) { - struct dmar_drhd_unit *drhd; + struct dmar_drhd_unit *drhd, *drhd_n; int ret = -ENODEV; - for_each_drhd_unit(drhd) { + list_for_each_entry_safe(drhd, drhd_n, &dmar_drhd_units, list) { ret = dmar_parse_dev(drhd); if (ret) return ret; @@ -408,8 +408,8 @@ int __init dmar_dev_scope_init(void) #ifdef CONFIG_DMAR { - struct dmar_rmrr_unit *rmrr; - for_each_rmrr_units(rmrr) { + struct dmar_rmrr_unit *rmrr, *rmrr_n; + list_for_each_entry_safe(rmrr, rmrr_n, &dmar_rmrr_units, list) { ret = rmrr_parse_dev(rmrr); if (ret) return ret; -- GitLab From 1c7d1bcad218808a4f67a4492a5e1d920e85c239 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Wed, 3 Sep 2008 16:58:35 -0700 Subject: [PATCH 5174/6244] dmar: fix dmar_parse_dev() devices_cnt error condition check It is possible that, instead of PCI endpoint/sub-hierarchy structures, only IO-APIC/HPET devices may be reported under device scope structures. Fix the devices_cnt error check, which cares about only PCI structures and removes the dma-remapping unit structure (dmaru) when the devices_cnt is zero and include_all flag is not set. Signed-off-by: Suresh Siddha Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/dmar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index ceb338dfa3f2..9527405ae198 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -212,7 +212,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru) include_all = 1; } - if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) { + if (ret) { list_del(&dmaru->list); kfree(dmaru); } -- GitLab From e8fc96ed3603924e7aa09fd5e4dbd289b7e69907 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Thu, 4 Sep 2008 09:56:10 -0700 Subject: [PATCH 5175/6244] dyn_array: don't break compiling for !CONFIG_SMP Impact: build failure on uniprocessor When compiling for !CONFIG_SMP, per_cpu_alloc_dyn_array() would fail to compile, since it uses per_cpu_offset, which is not defined for uniprocessor builds. Hence, do not compile per_cpu_alloc_dyn_array() for !CONFIG_SMP. Attempting to call this function in a uniprocessor configuration would be simply wrong in the first place. Signed-off-by: H. Peter Anvin --- init/dyn_array.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/init/dyn_array.c b/init/dyn_array.c index c4cd902a1180..1dc08140f3cb 100644 --- a/init/dyn_array.c +++ b/init/dyn_array.c @@ -91,6 +91,7 @@ unsigned long __init per_cpu_dyn_array_size(unsigned long *align) return total_size; } +#ifdef CONFIG_SMP void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) { #ifdef CONFIG_HAVE_DYN_ARRAY @@ -122,3 +123,4 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) } #endif } +#endif -- GitLab From 02c1df199c990cd21c09a4dffaa06d4e0b7bf2bf Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 4 Sep 2008 20:57:11 +0200 Subject: [PATCH 5176/6244] x86: print out if acpi want physical flat of all Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/genapic_flat_64.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index 9eca5ba7a6b1..2ec2de8d8c46 100644 --- a/arch/x86/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c @@ -179,8 +179,10 @@ static int __init physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id) * is an example). */ if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID && - (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) + (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) { + printk(KERN_DEBUG "system APIC only can use physical flat"); return 1; + } #endif return 0; -- GitLab From b558cb35f1ef92837cba0fba9aad267e5eff1f65 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 4 Sep 2008 20:57:13 +0200 Subject: [PATCH 5177/6244] dyn_array: fix typo Andrew found the typo could break some platforms. also fix a checkpatch warning. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- init/dyn_array.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/init/dyn_array.c b/init/dyn_array.c index 1dc08140f3cb..cf1e04c83b33 100644 --- a/init/dyn_array.c +++ b/init/dyn_array.c @@ -54,7 +54,7 @@ void __init pre_alloc_dyn_array(void) da->init_work(da); } #else -#ifdef CONFIF_GENERIC_HARDIRQS +#ifdef CONFIG_GENERIC_HARDIRQS unsigned int i; for (i = 0; i < NR_IRQS; i++) @@ -117,9 +117,8 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) phys += size; - if (da->init_work) { + if (da->init_work) da->init_work(da); - } } #endif } -- GitLab From 676f4a920be27160747439fe71026aa15ec78e5a Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Thu, 4 Sep 2008 22:37:49 +0400 Subject: [PATCH 5178/6244] x86: io-apic - use ARRAY_SIZE macro Make the code width a bit shorter with ARRAY_SIZE macro. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 93ceb19d1e90..9b01fdadcb9b 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -166,7 +166,7 @@ static void __init init_work(void *data) memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); - legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]); + legacy_count = ARRAY_SIZE(irq_cfg_legacy); for (i = legacy_count; i < *da->nr; i++) init_one_irq_cfg(&cfg[i]); -- GitLab From ac54a6c9371bacb86bee1db23f7d82e8685c7e17 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Thu, 4 Sep 2008 22:37:50 +0400 Subject: [PATCH 5179/6244] x86: io-apic - declare irq_cfg_lock for SPARSE_IRQ only We use irq_cfg_lock lock in SPARSE_IRQ only context so move it under #ifdef and compiler will be happy. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 9b01fdadcb9b..d22fecf828b8 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -147,14 +147,15 @@ static void init_one_irq_cfg(struct irq_cfg *cfg) static struct irq_cfg *irq_cfgx; +#ifdef CONFIG_HAVE_SPARSE_IRQ /* * Protect the irq_cfgx_free freelist: */ static DEFINE_SPINLOCK(irq_cfg_lock); -#ifdef CONFIG_HAVE_SPARSE_IRQ static struct irq_cfg *irq_cfgx_free; #endif + static void __init init_work(void *data) { struct dyn_array *da = data; -- GitLab From e65ef88c20d5c68bde18f559e0d0ad7d718beb28 Mon Sep 17 00:00:00 2001 From: Dean Nelson Date: Fri, 5 Sep 2008 09:07:20 -0500 Subject: [PATCH 5180/6244] irq: error missed ifndef CONFIG_HAVE_SPARSE_IRQ An error return from create_irq_nr() is 0, but an error return from create_irq() is -1. Signed-off-by: Dean Nelson Cc: Yinghai Lu Signed-off-by: Ingo Molnar --- drivers/pci/htirq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 7c5aef13fcdb..7b180e0c634e 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -144,7 +144,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) #else irq = create_irq(); #endif - if (irq == 0) { + if (irq <= 0) { kfree(cfg); return -EBUSY; } -- GitLab From 21056830c4e5c6735f1d49453398d7186ca4e8d7 Mon Sep 17 00:00:00 2001 From: Dean Nelson Date: Fri, 5 Sep 2008 09:10:40 -0500 Subject: [PATCH 5181/6244] irq: set_irq_chip() has redundant call to irq_to_desc() Extraneous call to irq_to_desc(). Signed-off-by: Dean Nelson Cc: Yinghai Lu Signed-off-by: Ingo Molnar --- kernel/irq/chip.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 4ef555c50db8..570d1ea1db5d 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -102,7 +102,6 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip) if (!chip) chip = &no_irq_chip; - desc = irq_to_desc(irq); spin_lock_irqsave(&desc->lock, flags); irq_chip_set_defaults(chip); desc->chip = chip; -- GitLab From 1f3addcf2d54394d10713be947eeaf18d2b998a9 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 5 Sep 2008 10:03:37 -0700 Subject: [PATCH 5182/6244] irq: error missed ifndef CONFIG_HAVE_SPARSE_IRQ, v2 need to change irq to int too Signed-off-by: Ingo Molnar --- drivers/pci/htirq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 7b180e0c634e..9e4929a00832 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -109,7 +109,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) u32 data; int max_irq; int pos; - unsigned int irq; + int irq; unsigned int irq_want; pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ); -- GitLab From 932775a4ab622e3c99bd59f14cc7d96722f79501 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Fri, 5 Sep 2008 18:02:15 -0700 Subject: [PATCH 5183/6244] x86: HPET_MSI change IRQ affinity in process context when it is disabled Change the IRQ affinity in the process context when the IRQ is disabled. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Shaohua Li Signed-off-by: Ingo Molnar --- kernel/irq/manage.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ddc956861a58..ad2ce72c83c4 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -87,10 +87,11 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask) return -EINVAL; #ifdef CONFIG_GENERIC_PENDING_IRQ - if (desc->status & IRQ_MOVE_PCNTXT) { + if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) { unsigned long flags; spin_lock_irqsave(&desc->lock, flags); + desc->affinity = cpumask; desc->chip->set_affinity(irq, cpumask); spin_unlock_irqrestore(&desc->lock, flags); } else -- GitLab From b40d575bf0679c45aaf9e1161fc51a6b041b7210 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Fri, 5 Sep 2008 18:02:16 -0700 Subject: [PATCH 5184/6244] x86: HPET_MSI Refactor code in preparation for HPET_MSI Preparatory patch before the actual HPET MSI changes. Sets up hpet_set_mode and hpet_next_event for the MSI related changes. Just the code refactoring and should be zero functional change. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Shaohua Li Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 42 +++++++++++++++++++++++++++--------------- 1 file changed, 27 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index acf62fc233da..f7cb5e9e261e 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -227,44 +227,44 @@ static void hpet_legacy_clockevent_register(void) printk(KERN_DEBUG "hpet clockevent registered\n"); } -static void hpet_legacy_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static void hpet_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt, int timer) { unsigned long cfg, cmp, now; uint64_t delta; switch(mode) { case CLOCK_EVT_MODE_PERIODIC: - delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * hpet_clockevent.mult; - delta >>= hpet_clockevent.shift; + delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult; + delta >>= evt->shift; now = hpet_readl(HPET_COUNTER); cmp = now + (unsigned long) delta; - cfg = hpet_readl(HPET_T0_CFG); + cfg = hpet_readl(HPET_Tn_CFG(timer)); cfg |= HPET_TN_ENABLE | HPET_TN_PERIODIC | HPET_TN_SETVAL | HPET_TN_32BIT; - hpet_writel(cfg, HPET_T0_CFG); + hpet_writel(cfg, HPET_Tn_CFG(timer)); /* * The first write after writing TN_SETVAL to the * config register sets the counter value, the second * write sets the period. */ - hpet_writel(cmp, HPET_T0_CMP); + hpet_writel(cmp, HPET_Tn_CMP(timer)); udelay(1); - hpet_writel((unsigned long) delta, HPET_T0_CMP); + hpet_writel((unsigned long) delta, HPET_Tn_CMP(timer)); break; case CLOCK_EVT_MODE_ONESHOT: - cfg = hpet_readl(HPET_T0_CFG); + cfg = hpet_readl(HPET_Tn_CFG(timer)); cfg &= ~HPET_TN_PERIODIC; cfg |= HPET_TN_ENABLE | HPET_TN_32BIT; - hpet_writel(cfg, HPET_T0_CFG); + hpet_writel(cfg, HPET_Tn_CFG(timer)); break; case CLOCK_EVT_MODE_UNUSED: case CLOCK_EVT_MODE_SHUTDOWN: - cfg = hpet_readl(HPET_T0_CFG); + cfg = hpet_readl(HPET_Tn_CFG(timer)); cfg &= ~HPET_TN_ENABLE; - hpet_writel(cfg, HPET_T0_CFG); + hpet_writel(cfg, HPET_Tn_CFG(timer)); break; case CLOCK_EVT_MODE_RESUME: @@ -273,14 +273,14 @@ static void hpet_legacy_set_mode(enum clock_event_mode mode, } } -static int hpet_legacy_next_event(unsigned long delta, - struct clock_event_device *evt) +static int hpet_next_event(unsigned long delta, + struct clock_event_device *evt, int timer) { u32 cnt; cnt = hpet_readl(HPET_COUNTER); cnt += (u32) delta; - hpet_writel(cnt, HPET_T0_CMP); + hpet_writel(cnt, HPET_Tn_CMP(timer)); /* * We need to read back the CMP register to make sure that @@ -292,6 +292,18 @@ static int hpet_legacy_next_event(unsigned long delta, return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0; } +static void hpet_legacy_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + hpet_set_mode(mode, evt, 0); +} + +static int hpet_legacy_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + return hpet_next_event(delta, evt, 0); +} + /* * Clock source related code */ -- GitLab From 58ac1e76ce77d515bd5cb65dbc465a040da341c6 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Fri, 5 Sep 2008 18:02:17 -0700 Subject: [PATCH 5185/6244] x86: HPET_MSI Basic HPET_MSI setup code Basic HPET MSI setup code. Routines to perform basic MSI read write in HPET memory map and setting up irq_chip for HPET MSI. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Shaohua Li Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 54 +++++++++++++++++++++++++++++++++ arch/x86/kernel/io_apic.c | 64 +++++++++++++++++++++++++++++++++++++++ include/asm-x86/hpet.h | 21 +++++++++++++ 3 files changed, 139 insertions(+) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index f7cb5e9e261e..3f10d16a8348 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -6,6 +6,8 @@ #include #include #include +#include +#include #include #include @@ -25,6 +27,15 @@ unsigned long hpet_address; static void __iomem *hpet_virt_address; +struct hpet_dev { + struct clock_event_device evt; + unsigned int num; + int cpu; + unsigned int irq; + unsigned int flags; + char name[10]; +}; + unsigned long hpet_readl(unsigned long a) { return readl(hpet_virt_address + a); @@ -304,6 +315,49 @@ static int hpet_legacy_next_event(unsigned long delta, return hpet_next_event(delta, evt, 0); } +/* + * HPET MSI Support + */ + +void hpet_msi_unmask(unsigned int irq) +{ + struct hpet_dev *hdev = get_irq_data(irq); + unsigned long cfg; + + /* unmask it */ + cfg = hpet_readl(HPET_Tn_CFG(hdev->num)); + cfg |= HPET_TN_FSB; + hpet_writel(cfg, HPET_Tn_CFG(hdev->num)); +} + +void hpet_msi_mask(unsigned int irq) +{ + unsigned long cfg; + struct hpet_dev *hdev = get_irq_data(irq); + + /* mask it */ + cfg = hpet_readl(HPET_Tn_CFG(hdev->num)); + cfg &= ~HPET_TN_FSB; + hpet_writel(cfg, HPET_Tn_CFG(hdev->num)); +} + +void hpet_msi_write(unsigned int irq, struct msi_msg *msg) +{ + struct hpet_dev *hdev = get_irq_data(irq); + + hpet_writel(msg->data, HPET_Tn_ROUTE(hdev->num)); + hpet_writel(msg->address_lo, HPET_Tn_ROUTE(hdev->num) + 4); +} + +void hpet_msi_read(unsigned int irq, struct msi_msg *msg) +{ + struct hpet_dev *hdev = get_irq_data(irq); + + msg->data = hpet_readl(HPET_Tn_ROUTE(hdev->num)); + msg->address_lo = hpet_readl(HPET_Tn_ROUTE(hdev->num) + 4); + msg->address_hi = 0; +} + /* * Clock source related code */ diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index d22fecf828b8..77fa155becf6 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -41,6 +41,7 @@ #endif #include #include +#include #include #include @@ -56,6 +57,7 @@ #include #include #include +#include #include #include @@ -3522,6 +3524,68 @@ int arch_setup_dmar_msi(unsigned int irq) } #endif +#ifdef CONFIG_HPET_TIMER + +#ifdef CONFIG_SMP +static void hpet_msi_set_affinity(unsigned int irq, cpumask_t mask) +{ + struct irq_cfg *cfg; + struct irq_desc *desc; + struct msi_msg msg; + unsigned int dest; + cpumask_t tmp; + + cpus_and(tmp, mask, cpu_online_map); + if (cpus_empty(tmp)) + return; + + if (assign_irq_vector(irq, mask)) + return; + + cfg = irq_cfg(irq); + cpus_and(tmp, cfg->domain, mask); + dest = cpu_mask_to_apicid(tmp); + + hpet_msi_read(irq, &msg); + + msg.data &= ~MSI_DATA_VECTOR_MASK; + msg.data |= MSI_DATA_VECTOR(cfg->vector); + msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK; + msg.address_lo |= MSI_ADDR_DEST_ID(dest); + + hpet_msi_write(irq, &msg); + desc = irq_to_desc(irq); + desc->affinity = mask; +} +#endif /* CONFIG_SMP */ + +struct irq_chip hpet_msi_type = { + .name = "HPET_MSI", + .unmask = hpet_msi_unmask, + .mask = hpet_msi_mask, + .ack = ack_apic_edge, +#ifdef CONFIG_SMP + .set_affinity = hpet_msi_set_affinity, +#endif + .retrigger = ioapic_retrigger_irq, +}; + +int arch_setup_hpet_msi(unsigned int irq) +{ + int ret; + struct msi_msg msg; + + ret = msi_compose_msg(NULL, irq, &msg); + if (ret < 0) + return ret; + + hpet_msi_write(irq, &msg); + set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq, + "edge"); + return 0; +} +#endif + #endif /* CONFIG_PCI_MSI */ /* * Hypertransport interrupt support diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h index cbbbb6d4dd32..58b273f6ef07 100644 --- a/include/asm-x86/hpet.h +++ b/include/asm-x86/hpet.h @@ -1,6 +1,8 @@ #ifndef ASM_X86__HPET_H #define ASM_X86__HPET_H +#include + #ifdef CONFIG_HPET_TIMER #define HPET_MMAP_SIZE 1024 @@ -10,6 +12,11 @@ #define HPET_CFG 0x010 #define HPET_STATUS 0x020 #define HPET_COUNTER 0x0f0 + +#define HPET_Tn_CFG(n) (0x100 + 0x20 * n) +#define HPET_Tn_CMP(n) (0x108 + 0x20 * n) +#define HPET_Tn_ROUTE(n) (0x110 + 0x20 * n) + #define HPET_T0_CFG 0x100 #define HPET_T0_CMP 0x108 #define HPET_T0_ROUTE 0x110 @@ -65,6 +72,20 @@ extern void hpet_disable(void); extern unsigned long hpet_readl(unsigned long a); extern void force_hpet_resume(void); +extern void hpet_msi_unmask(unsigned int irq); +extern void hpet_msi_mask(unsigned int irq); +extern void hpet_msi_write(unsigned int irq, struct msi_msg *msg); +extern void hpet_msi_read(unsigned int irq, struct msi_msg *msg); + +#ifdef CONFIG_PCI_MSI +extern int arch_setup_hpet_msi(unsigned int irq); +#else +static inline int arch_setup_hpet_msi(unsigned int irq) +{ + return -EINVAL; +} +#endif + #ifdef CONFIG_HPET_EMULATE_RTC #include -- GitLab From 4588c1f0354ac96a358b3f9e8e4331c51cf3336f Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Sat, 6 Sep 2008 14:19:17 +0200 Subject: [PATCH 5186/6244] x86: HPET_MSI Basic HPET_MSI setup code, cleanups small style cleanups. Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 50 +++++++++++++++++++++--------------------- 1 file changed, 25 insertions(+), 25 deletions(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 3f10d16a8348..03d3655734b4 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -1,39 +1,39 @@ #include #include +#include +#include #include #include #include #include -#include -#include -#include #include +#include +#include #include -#include #include -#include +#include -#define HPET_MASK CLOCKSOURCE_MASK(32) -#define HPET_SHIFT 22 +#define HPET_MASK CLOCKSOURCE_MASK(32) +#define HPET_SHIFT 22 /* FSEC = 10^-15 NSEC = 10^-9 */ -#define FSEC_PER_NSEC 1000000L +#define FSEC_PER_NSEC 1000000L /* * HPET address is set in acpi/boot.c, when an ACPI entry exists */ -unsigned long hpet_address; -static void __iomem *hpet_virt_address; +unsigned long hpet_address; +static void __iomem *hpet_virt_address; struct hpet_dev { - struct clock_event_device evt; - unsigned int num; - int cpu; - unsigned int irq; - unsigned int flags; - char name[10]; + struct clock_event_device evt; + unsigned int num; + int cpu; + unsigned int irq; + unsigned int flags; + char name[10]; }; unsigned long hpet_readl(unsigned long a) @@ -70,7 +70,7 @@ static inline void hpet_clear_mapping(void) static int boot_hpet_disable; int hpet_force_user; -static int __init hpet_setup(char* str) +static int __init hpet_setup(char *str) { if (str) { if (!strncmp("disable", str, 7)) @@ -91,7 +91,7 @@ __setup("nohpet", disable_hpet); static inline int is_hpet_capable(void) { - return (!boot_hpet_disable && hpet_address); + return !boot_hpet_disable && hpet_address; } /* @@ -122,10 +122,10 @@ static void hpet_reserve_platform_timers(unsigned long id) nrtimers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1; - memset(&hd, 0, sizeof (hd)); - hd.hd_phys_address = hpet_address; - hd.hd_address = hpet; - hd.hd_nirqs = nrtimers; + memset(&hd, 0, sizeof(hd)); + hd.hd_phys_address = hpet_address; + hd.hd_address = hpet; + hd.hd_nirqs = nrtimers; hpet_reserve_timer(&hd, 0); #ifdef CONFIG_HPET_EMULATE_RTC @@ -141,8 +141,8 @@ static void hpet_reserve_platform_timers(unsigned long id) hd.hd_irq[1] = HPET_LEGACY_RTC; for (i = 2; i < nrtimers; timer++, i++) { - hd.hd_irq[i] = (readl(&timer->hpet_config) & Tn_INT_ROUTE_CNF_MASK) >> - Tn_INT_ROUTE_CNF_SHIFT; + hd.hd_irq[i] = (readl(&timer->hpet_config) & + Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT; } hpet_alloc(&hd); @@ -244,7 +244,7 @@ static void hpet_set_mode(enum clock_event_mode mode, unsigned long cfg, cmp, now; uint64_t delta; - switch(mode) { + switch (mode) { case CLOCK_EVT_MODE_PERIODIC: delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult; delta >>= evt->shift; -- GitLab From 26afe5f2fbf06ea0765aaa316640c4dd472310c0 Mon Sep 17 00:00:00 2001 From: "venkatesh.pallipadi@intel.com" Date: Fri, 5 Sep 2008 18:02:18 -0700 Subject: [PATCH 5187/6244] x86: HPET_MSI Initialise per-cpu HPET timers Initialize a per CPU HPET MSI timer when possible. We retain the HPET timer 0 (IRQ 0) and timer 1 (IRQ 8) as is when legacy mode is being used. We setup the remaining HPET timers as per CPU MSI based timers. This per CPU timer will eliminate the need for timer broadcasting with IRQ 0 when there is non-functional LAPIC timer across CPU deep C-states. If there are more CPUs than number of available timers, CPUs that do not find any timer to use will continue using LAPIC and IRQ 0 broadcast. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Shaohua Li Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 295 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 293 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 03d3655734b4..31e9191b7e19 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -21,10 +21,19 @@ NSEC = 10^-9 */ #define FSEC_PER_NSEC 1000000L +#define HPET_DEV_USED_BIT 2 +#define HPET_DEV_USED (1 << HPET_DEV_USED_BIT) +#define HPET_DEV_VALID 0x8 +#define HPET_DEV_FSB_CAP 0x1000 +#define HPET_DEV_PERI_CAP 0x2000 + +#define EVT_TO_HPET_DEV(evt) container_of(evt, struct hpet_dev, evt) + /* * HPET address is set in acpi/boot.c, when an ACPI entry exists */ unsigned long hpet_address; +unsigned long hpet_num_timers; static void __iomem *hpet_virt_address; struct hpet_dev { @@ -36,6 +45,10 @@ struct hpet_dev { char name[10]; }; +static struct hpet_dev *hpet_devs; + +static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev); + unsigned long hpet_readl(unsigned long a) { return readl(hpet_virt_address + a); @@ -145,6 +158,16 @@ static void hpet_reserve_platform_timers(unsigned long id) Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT; } + for (i = 0; i < nrtimers; i++) { + struct hpet_dev *hdev = &hpet_devs[i]; + + if (!(hdev->flags & HPET_DEV_VALID)) + continue; + + hd.hd_irq[hdev->num] = hdev->irq; + hpet_reserve_timer(&hd, hdev->num); + } + hpet_alloc(&hd); } @@ -238,6 +261,8 @@ static void hpet_legacy_clockevent_register(void) printk(KERN_DEBUG "hpet clockevent registered\n"); } +static int hpet_setup_msi_irq(unsigned int irq); + static void hpet_set_mode(enum clock_event_mode mode, struct clock_event_device *evt, int timer) { @@ -279,7 +304,15 @@ static void hpet_set_mode(enum clock_event_mode mode, break; case CLOCK_EVT_MODE_RESUME: - hpet_enable_legacy_int(); + if (timer == 0) { + hpet_enable_legacy_int(); + } else { + struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt); + hpet_setup_msi_irq(hdev->irq); + disable_irq(hdev->irq); + irq_set_affinity(hdev->irq, cpumask_of_cpu(hdev->cpu)); + enable_irq(hdev->irq); + } break; } } @@ -318,7 +351,7 @@ static int hpet_legacy_next_event(unsigned long delta, /* * HPET MSI Support */ - +#ifdef CONFIG_PCI_MSI void hpet_msi_unmask(unsigned int irq) { struct hpet_dev *hdev = get_irq_data(irq); @@ -358,6 +391,253 @@ void hpet_msi_read(unsigned int irq, struct msi_msg *msg) msg->address_hi = 0; } +static void hpet_msi_set_mode(enum clock_event_mode mode, + struct clock_event_device *evt) +{ + struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt); + hpet_set_mode(mode, evt, hdev->num); +} + +static int hpet_msi_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt); + return hpet_next_event(delta, evt, hdev->num); +} + +static int hpet_setup_msi_irq(unsigned int irq) +{ + if (arch_setup_hpet_msi(irq)) { + destroy_irq(irq); + return -EINVAL; + } + return 0; +} + +static int hpet_assign_irq(struct hpet_dev *dev) +{ + unsigned int irq; + + irq = create_irq(); + if (!irq) + return -EINVAL; + + set_irq_data(irq, dev); + + if (hpet_setup_msi_irq(irq)) + return -EINVAL; + + dev->irq = irq; + return 0; +} + +static irqreturn_t hpet_interrupt_handler(int irq, void *data) +{ + struct hpet_dev *dev = (struct hpet_dev *)data; + struct clock_event_device *hevt = &dev->evt; + + if (!hevt->event_handler) { + printk(KERN_INFO "Spurious HPET timer interrupt on HPET timer %d\n", + dev->num); + return IRQ_HANDLED; + } + + hevt->event_handler(hevt); + return IRQ_HANDLED; +} + +static int hpet_setup_irq(struct hpet_dev *dev) +{ + + if (request_irq(dev->irq, hpet_interrupt_handler, + IRQF_SHARED|IRQF_NOBALANCING, dev->name, dev)) + return -1; + + disable_irq(dev->irq); + irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu)); + enable_irq(dev->irq); + + return 0; +} + +/* This should be called in specific @cpu */ +static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu) +{ + struct clock_event_device *evt = &hdev->evt; + uint64_t hpet_freq; + + WARN_ON(cpu != smp_processor_id()); + if (!(hdev->flags & HPET_DEV_VALID)) + return; + + if (hpet_setup_msi_irq(hdev->irq)) + return; + + hdev->cpu = cpu; + per_cpu(cpu_hpet_dev, cpu) = hdev; + evt->name = hdev->name; + hpet_setup_irq(hdev); + evt->irq = hdev->irq; + + evt->rating = 110; + evt->features = CLOCK_EVT_FEAT_ONESHOT; + if (hdev->flags & HPET_DEV_PERI_CAP) + evt->features |= CLOCK_EVT_FEAT_PERIODIC; + + evt->set_mode = hpet_msi_set_mode; + evt->set_next_event = hpet_msi_next_event; + evt->shift = 32; + + /* + * The period is a femto seconds value. We need to calculate the + * scaled math multiplication factor for nanosecond to hpet tick + * conversion. + */ + hpet_freq = 1000000000000000ULL; + do_div(hpet_freq, hpet_period); + evt->mult = div_sc((unsigned long) hpet_freq, + NSEC_PER_SEC, evt->shift); + /* Calculate the max delta */ + evt->max_delta_ns = clockevent_delta2ns(0x7FFFFFFF, evt); + /* 5 usec minimum reprogramming delta. */ + evt->min_delta_ns = 5000; + + evt->cpumask = cpumask_of_cpu(hdev->cpu); + clockevents_register_device(evt); +} + +#ifdef CONFIG_HPET +/* Reserve at least one timer for userspace (/dev/hpet) */ +#define RESERVE_TIMERS 1 +#else +#define RESERVE_TIMERS 0 +#endif +void hpet_msi_capability_lookup(unsigned int start_timer) +{ + unsigned int id; + unsigned int num_timers; + unsigned int num_timers_used = 0; + int i; + + id = hpet_readl(HPET_ID); + + num_timers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT); + num_timers++; /* Value read out starts from 0 */ + + hpet_devs = kzalloc(sizeof(struct hpet_dev) * num_timers, GFP_KERNEL); + if (!hpet_devs) + return; + + hpet_num_timers = num_timers; + + for (i = start_timer; i < num_timers - RESERVE_TIMERS; i++) { + struct hpet_dev *hdev = &hpet_devs[num_timers_used]; + unsigned long cfg = hpet_readl(HPET_Tn_CFG(i)); + + /* Only consider HPET timer with MSI support */ + if (!(cfg & HPET_TN_FSB_CAP)) + continue; + + hdev->flags = 0; + if (cfg & HPET_TN_PERIODIC_CAP) + hdev->flags |= HPET_DEV_PERI_CAP; + hdev->num = i; + + sprintf(hdev->name, "hpet%d", i); + if (hpet_assign_irq(hdev)) + continue; + + hdev->flags |= HPET_DEV_FSB_CAP; + hdev->flags |= HPET_DEV_VALID; + num_timers_used++; + if (num_timers_used == num_possible_cpus()) + break; + } + + printk(KERN_INFO "HPET: %d timers in total, %d timers will be used for per-cpu timer\n", + num_timers, num_timers_used); +} + +static struct hpet_dev *hpet_get_unused_timer(void) +{ + int i; + + if (!hpet_devs) + return NULL; + + for (i = 0; i < hpet_num_timers; i++) { + struct hpet_dev *hdev = &hpet_devs[i]; + + if (!(hdev->flags & HPET_DEV_VALID)) + continue; + if (test_and_set_bit(HPET_DEV_USED_BIT, + (unsigned long *)&hdev->flags)) + continue; + return hdev; + } + return NULL; +} + +struct hpet_work_struct { + struct delayed_work work; + struct completion complete; +}; + +static void hpet_work(struct work_struct *w) +{ + struct hpet_dev *hdev; + int cpu = smp_processor_id(); + struct hpet_work_struct *hpet_work; + + hpet_work = container_of(w, struct hpet_work_struct, work.work); + + hdev = hpet_get_unused_timer(); + if (hdev) + init_one_hpet_msi_clockevent(hdev, cpu); + + complete(&hpet_work->complete); +} + +static int hpet_cpuhp_notify(struct notifier_block *n, + unsigned long action, void *hcpu) +{ + unsigned long cpu = (unsigned long)hcpu; + struct hpet_work_struct work; + struct hpet_dev *hdev = per_cpu(cpu_hpet_dev, cpu); + + switch (action & 0xf) { + case CPU_ONLINE: + INIT_DELAYED_WORK(&work.work, hpet_work); + init_completion(&work.complete); + /* FIXME: add schedule_work_on() */ + schedule_delayed_work_on(cpu, &work.work, 0); + wait_for_completion(&work.complete); + break; + case CPU_DEAD: + if (hdev) { + free_irq(hdev->irq, hdev); + hdev->flags &= ~HPET_DEV_USED; + per_cpu(cpu_hpet_dev, cpu) = NULL; + } + break; + } + return NOTIFY_OK; +} +#else + +void hpet_msi_capability_lookup(unsigned int start_timer) +{ + return; +} + +static int hpet_cpuhp_notify(struct notifier_block *n, + unsigned long action, void *hcpu) +{ + return NOTIFY_OK; +} + +#endif + /* * Clock source related code */ @@ -493,8 +773,10 @@ int __init hpet_enable(void) if (id & HPET_ID_LEGSUP) { hpet_legacy_clockevent_register(); + hpet_msi_capability_lookup(2); return 1; } + hpet_msi_capability_lookup(0); return 0; out_nohpet: @@ -511,6 +793,8 @@ out_nohpet: */ static __init int hpet_late_init(void) { + int cpu; + if (boot_hpet_disable) return -ENODEV; @@ -526,6 +810,13 @@ static __init int hpet_late_init(void) hpet_reserve_platform_timers(hpet_readl(HPET_ID)); + for_each_online_cpu(cpu) { + hpet_cpuhp_notify(NULL, CPU_ONLINE, (void *)(long)cpu); + } + + /* This notifier should be called after workqueue is ready */ + hotcpu_notifier(hpet_cpuhp_notify, -20); + return 0; } fs_initcall(hpet_late_init); -- GitLab From 3c2cbd2490656fb4b6ede586c557a2b09811a432 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 6 Sep 2008 14:15:33 +0400 Subject: [PATCH 5188/6244] x86: io-apic - code style cleaning for setup_IO_APIC_irqs By changing printout form we are able to shrink (and clean up) code a bit. Former printout example: init IO_APIC IRQs IO-APIC (apicid-pin) 1-1, 1-2, 1-3 not connected. IO-APIC (apicid-pin) 2-1, 2-2, 2-3 not connected. New printout example: init IO_APIC IRQs 1-1 1-2 1-3 (apicid-pin) not connected 2-1 2-2 2-3 (apicid-pin) not connected Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 53 +++++++++++++++++++++------------------ 1 file changed, 28 insertions(+), 25 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 77fa155becf6..4040d575a21e 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1518,41 +1518,44 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq, static void __init setup_IO_APIC_irqs(void) { - int apic, pin, idx, irq, first_notcon = 1; + int apic, pin, idx, irq; + int notcon = 0; apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n"); for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - - idx = find_irq_entry(apic,pin,mp_INT); - if (idx == -1) { - if (first_notcon) { - apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin); - first_notcon = 0; - } else - apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin); - continue; - } - if (!first_notcon) { - apic_printk(APIC_VERBOSE, " not connected.\n"); - first_notcon = 1; - } + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + + idx = find_irq_entry(apic, pin, mp_INT); + if (idx == -1) { + apic_printk(APIC_VERBOSE, + KERN_DEBUG " %d-%d", + mp_ioapics[apic].mp_apicid, pin); + if (!notcon) + notcon = 1; + continue; + } - irq = pin_2_irq(idx, apic, pin); + irq = pin_2_irq(idx, apic, pin); #ifdef CONFIG_X86_32 - if (multi_timer_check(apic, irq)) - continue; + if (multi_timer_check(apic, irq)) + continue; #endif - add_pin_to_irq(irq, apic, pin); + add_pin_to_irq(irq, apic, pin); - setup_IO_APIC_irq(apic, pin, irq, - irq_trigger(idx), irq_polarity(idx)); - } + setup_IO_APIC_irq(apic, pin, irq, + irq_trigger(idx), irq_polarity(idx)); + } + if (notcon) { + apic_printk(APIC_VERBOSE, + KERN_DEBUG " (apicid-pin) not connected\n"); + notcon = 0; + } } - if (!first_notcon) - apic_printk(APIC_VERBOSE, " not connected.\n"); + if (notcon) + apic_printk(APIC_VERBOSE, + KERN_DEBUG " (apicid-pin) not connected\n"); } /* -- GitLab From 9e6cad9b1230b5563c4b38335bf1ed0f73c5d74a Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 6 Sep 2008 10:26:50 -0700 Subject: [PATCH 5189/6244] dyn_array: remove one panic Andrew said, we don't need duplicated panic. because __alloc_bootmem already have that. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- init/dyn_array.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/init/dyn_array.c b/init/dyn_array.c index cf1e04c83b33..778d9d508158 100644 --- a/init/dyn_array.c +++ b/init/dyn_array.c @@ -33,11 +33,9 @@ void __init pre_alloc_dyn_array(void) /* allocate them all together */ max_align = max_t(unsigned long, max_align, PAGE_SIZE); - ptr = __alloc_bootmem_nopanic(total_size, max_align, 0); - if (!ptr) - panic("Can not alloc dyn_alloc\n"); - + ptr = __alloc_bootmem(total_size, max_align, 0); phys = virt_to_phys(ptr); + for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { struct dyn_array *da = *daa; -- GitLab From 79c09698cac8df16c5539447d5e1047fde9742e5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 7 Sep 2008 17:58:57 -0700 Subject: [PATCH 5190/6244] x86: lapic address print out like io apic addr Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 0556f375e40b..f3f50858048e 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1548,7 +1548,7 @@ void __init init_apic_mappings(void) apic_phys = mp_lapic_addr; set_fixmap_nocache(FIX_APIC_BASE, apic_phys); - apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n", + apic_printk(APIC_VERBOSE, "mapped APIC to %08lx (%08lx)\n", APIC_BASE, apic_phys); /* -- GitLab From 2a554fb132cf804477087057b9b0ff2162984507 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 8 Sep 2008 19:38:06 +0400 Subject: [PATCH 5191/6244] x86: io-apic - do not use KERN_DEBUG marker too much Do not use KERN_DEBUG several times on the same line being printed. Introduced by mine previous patch, sorry. Reported-by: Yinghai Lu Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 4040d575a21e..12e59df026db 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1528,11 +1528,16 @@ static void __init setup_IO_APIC_irqs(void) idx = find_irq_entry(apic, pin, mp_INT); if (idx == -1) { - apic_printk(APIC_VERBOSE, - KERN_DEBUG " %d-%d", - mp_ioapics[apic].mp_apicid, pin); - if (!notcon) + if (!notcon) { notcon = 1; + apic_printk(APIC_VERBOSE, + KERN_DEBUG " %d-%d", + mp_ioapics[apic].mp_apicid, + pin); + } else + apic_printk(APIC_VERBOSE, " %d-%d", + mp_ioapics[apic].mp_apicid, + pin); continue; } @@ -1548,14 +1553,14 @@ static void __init setup_IO_APIC_irqs(void) } if (notcon) { apic_printk(APIC_VERBOSE, - KERN_DEBUG " (apicid-pin) not connected\n"); + " (apicid-pin) not connected\n"); notcon = 0; } } if (notcon) apic_printk(APIC_VERBOSE, - KERN_DEBUG " (apicid-pin) not connected\n"); + " (apicid-pin) not connected\n"); } /* -- GitLab From f0ed4e695faf6766927c8cfbda2bc7530c7210c2 Mon Sep 17 00:00:00 2001 From: Venki Pallipadi Date: Mon, 8 Sep 2008 10:18:40 -0700 Subject: [PATCH 5192/6244] x86: using HPET in MSI mode and setting up per CPU HPET timers, fix On Sat, Sep 06, 2008 at 06:03:53AM -0700, Ingo Molnar wrote: > > it crashes two testsystems, the fault on a NULL pointer in hpet init, > with: > > initcall print_all_ICs+0x0/0x520 returned 0 after 26 msecs > calling hpet_late_init+0x0/0x1c0 > BUG: unable to handle kernel NULL pointer dereference at 000000000000008c > IP: [] hpet_late_init+0xfe/0x1c0 > PGD 0 > Oops: 0000 [1] SMP > CPU 0 > Modules linked in: > Pid: 1, comm: swapper Not tainted 2.6.27-rc5 #29725 > RIP: 0010:[] [] hpet_late_init+0xfe/0x1c0 > RSP: 0018:ffff88003fa07dd0 EFLAGS: 00010246 > RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 > RDX: ffffc20000000160 RSI: 0000000000000000 RDI: 0000000000000003 > RBP: ffff88003fa07e90 R08: 0000000000000000 R09: ffff88003fa07dd0 > R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003fa07dd0 > R13: 0000000000000002 R14: ffffc20000000000 R15: 000000006f57e511 > FS: 0000000000000000(0000) GS:ffffffff80cf6a80(0000) knlGS:0000000000000000 > CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > CR2: 000000000000008c CR3: 0000000000201000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process swapper (pid: 1, threadinfo ffff88003fa06000, task ffff88003fa08000) > Stack: 00000000fed00000 ffffc20000000000 0000000100000003 0000000800000002 > 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > Call Trace: > [] ? hpet_late_init+0x0/0x1c0 > [] do_one_initcall+0x45/0x190 > [] ? register_irq_proc+0x19/0xe0 > [] ? early_idt_handler+0x0/0x73 > [] kernel_init+0x14c/0x1b0 > [] ? trace_hardirqs_on_thunk+0x3a/0x3f > [] child_rip+0xa/0x11 > [] ? restore_args+0x0/0x30 > [] ? kernel_init+0x0/0x1b0 > [] ? child_rip+0x0/0x11 > Code: 20 48 83 c1 01 48 39 f1 75 e3 44 89 e8 4c 8b 05 29 29 22 00 31 f6 48 8d 78 01 66 66 90 89 f0 48 8d 04 80 48 c1 e0 05 4a 8d 0c 00 81 8c 00 00 00 08 74 26 8b 81 80 00 00 00 8b 91 88 00 00 00 > RIP [] hpet_late_init+0xfe/0x1c0 > RSP > CR2: 000000000000008c > Kernel panic - not syncing: Fatal exception There was one code path, with CONFIG_PCI_MSI disabled, where we were accessing hpet_devs without initialization. That resulted in the above crash. The change below adds a check for hpet_devs. Signed-off-by: Venkatesh Pallipadi Signed-off-by: Shaohua Li Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 31e9191b7e19..01005aeda7d9 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -126,6 +126,24 @@ EXPORT_SYMBOL_GPL(is_hpet_enabled); * timer 0 and timer 1 in case of RTC emulation. */ #ifdef CONFIG_HPET +static void hpet_reserve_msi_timers(struct hpet_data *hd) +{ + int i; + + if (!hpet_devs) + return; + + for (i = 0; i < hpet_num_timers; i++) { + struct hpet_dev *hdev = &hpet_devs[i]; + + if (!(hdev->flags & HPET_DEV_VALID)) + continue; + + hd->hd_irq[hdev->num] = hdev->irq; + hpet_reserve_timer(hd, hdev->num); + } +} + static void hpet_reserve_platform_timers(unsigned long id) { struct hpet __iomem *hpet = hpet_virt_address; @@ -158,15 +176,7 @@ static void hpet_reserve_platform_timers(unsigned long id) Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT; } - for (i = 0; i < nrtimers; i++) { - struct hpet_dev *hdev = &hpet_devs[i]; - - if (!(hdev->flags & HPET_DEV_VALID)) - continue; - - hd.hd_irq[hdev->num] = hdev->irq; - hpet_reserve_timer(&hd, hdev->num); - } + hpet_reserve_msi_timers(&hd); hpet_alloc(&hd); -- GitLab From ba374c9baef910fbc5373541d98c50f15e82c3f8 Mon Sep 17 00:00:00 2001 From: Steven Noonan Date: Mon, 8 Sep 2008 16:19:09 -0700 Subject: [PATCH 5193/6244] x86: fix HPET compiler error when not using CONFIG_PCI_MSI Added dummy function for hpet_setup_msi_irq(). Signed-off-by: Steven Noonan Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 01005aeda7d9..422c577ef691 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -635,6 +635,10 @@ static int hpet_cpuhp_notify(struct notifier_block *n, } #else +static int hpet_setup_msi_irq(unsigned int irq) +{ + return 0; +} void hpet_msi_capability_lookup(unsigned int start_timer) { return; -- GitLab From 87783be4c26d79f5cde245e6e8a9fd2b295e92d7 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Wed, 10 Sep 2008 22:19:50 +0400 Subject: [PATCH 5194/6244] x86: io-apic - get rid of __DO_ACTION macro Replace __DO_ACTION macro with io_apic_modify_irq function. This allow us to 'grep' definitions being hided by __DO_ACTION macro: __unmask_IO_APIC_irq __mask_IO_APIC_irq __mask_and_edge_IO_APIC_irq __unmask_and_level_IO_APIC_irq Signed-off-by: Cyrill Gorcunov Acked-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 103 +++++++++++++++++++------------------- 1 file changed, 52 insertions(+), 51 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 12e59df026db..ac47384724e3 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -643,65 +643,66 @@ static void __init replace_pin_at_irq(unsigned int irq, add_pin_to_irq(irq, newapic, newpin); } -#define __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL) \ - \ -{ \ - int pin; \ - struct irq_cfg *cfg; \ - struct irq_pin_list *entry; \ - \ - cfg = irq_cfg(irq); \ - entry = cfg->irq_2_pin; \ - for (;;) { \ - unsigned int reg; \ - if (!entry) \ - break; \ - pin = entry->pin; \ - reg = io_apic_read(entry->apic, 0x10 + R + pin*2); \ - reg ACTION_DISABLE; \ - reg ACTION_ENABLE; \ - io_apic_modify(entry->apic, 0x10 + R + pin*2, reg); \ - FINAL; \ - if (!entry->next) \ - break; \ - entry = entry->next; \ - } \ -} - -#define DO_ACTION(name,R, ACTION_ENABLE, ACTION_DISABLE, FINAL) \ - \ - static void name##_IO_APIC_irq (unsigned int irq) \ - __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL) - -/* mask = 0 */ -DO_ACTION(__unmask, 0, |= 0, &= ~IO_APIC_REDIR_MASKED, ) +static inline void io_apic_modify_irq(unsigned int irq, + int mask_and, int mask_or, + void (*final)(struct irq_pin_list *entry)) +{ + int pin; + struct irq_cfg *cfg; + struct irq_pin_list *entry; + + cfg = irq_cfg(irq); + for (entry = cfg->irq_2_pin; entry != NULL; entry = entry->next) { + unsigned int reg; + pin = entry->pin; + reg = io_apic_read(entry->apic, 0x10 + pin * 2); + reg &= mask_and; + reg |= mask_or; + io_apic_modify(entry->apic, 0x10 + pin * 2, reg); + if (final) + final(entry); + } +} + +static void __unmask_IO_APIC_irq(unsigned int irq) +{ + io_apic_modify_irq(irq, ~IO_APIC_REDIR_MASKED, 0, NULL); +} #ifdef CONFIG_X86_64 -/* - * Synchronize the IO-APIC and the CPU by doing - * a dummy read from the IO-APIC - */ -static inline void io_apic_sync(unsigned int apic) +void io_apic_sync(struct irq_pin_list *entry) { - struct io_apic __iomem *io_apic = io_apic_base(apic); + /* + * Synchronize the IO-APIC and the CPU by doing + * a dummy read from the IO-APIC + */ + struct io_apic __iomem *io_apic; + io_apic = io_apic_base(entry->apic); readl(&io_apic->data); } -/* mask = 1 */ -DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, &= ~0, io_apic_sync(entry->apic)) - -#else - -/* mask = 1 */ -DO_ACTION(__mask, 0, |= IO_APIC_REDIR_MASKED, &= ~0, ) - -/* mask = 1, trigger = 0 */ -DO_ACTION(__mask_and_edge, 0, |= IO_APIC_REDIR_MASKED, &= ~IO_APIC_REDIR_LEVEL_TRIGGER, ) +static void __mask_IO_APIC_irq(unsigned int irq) +{ + io_apic_modify_irq(irq, ~0, IO_APIC_REDIR_MASKED, &io_apic_sync); +} +#else /* CONFIG_X86_32 */ +static void __mask_IO_APIC_irq(unsigned int irq) +{ + io_apic_modify_irq(irq, ~0, IO_APIC_REDIR_MASKED, NULL); +} -/* mask = 0, trigger = 1 */ -DO_ACTION(__unmask_and_level, 0, |= IO_APIC_REDIR_LEVEL_TRIGGER, &= ~IO_APIC_REDIR_MASKED, ) +static void __mask_and_edge_IO_APIC_irq(unsigned int irq) +{ + io_apic_modify_irq(irq, ~IO_APIC_REDIR_LEVEL_TRIGGER, + IO_APIC_REDIR_MASKED, NULL); +} -#endif +static void __unmask_and_level_IO_APIC_irq(unsigned int irq) +{ + io_apic_modify_irq(irq, ~IO_APIC_REDIR_MASKED, + IO_APIC_REDIR_LEVEL_TRIGGER, NULL); +} +#endif /* CONFIG_X86_32 */ static void mask_IO_APIC_irq (unsigned int irq) { -- GitLab From 823b259b80158a5fb694f6784e18b5bae669c599 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 10 Sep 2008 21:56:46 -0700 Subject: [PATCH 5195/6244] x86: print out apic id in hex format Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 2 +- arch/x86/kernel/cpu/amd.c | 2 +- arch/x86/kernel/cpu/intel.c | 2 +- arch/x86/kernel/smpboot.c | 6 +++--- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index f3f50858048e..11cb18639581 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1586,7 +1586,7 @@ int __init APIC_init_uniprocessor(void) */ if (!cpu_has_apic && APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) { - printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n", + printk(KERN_ERR "BIOS bug, local APIC 0x%x not detected!...\n", boot_cpu_physical_apicid); clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); return -1; diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 32e73520adf7..8f1e31db2ad5 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -249,7 +249,7 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c) } numa_set_node(cpu, node); - printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node); + printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node); #endif } diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 99468dbd08da..cce0b6118d55 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -174,7 +174,7 @@ static void __cpuinit srat_detect_node(void) node = first_node(node_online_map); numa_set_node(cpu, node); - printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node); + printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node); #endif } diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8c3aca7cb343..f84de2ff933c 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -543,10 +543,10 @@ static inline void __inquire_remote_apic(int apicid) int timeout; u32 status; - printk(KERN_INFO "Inquiring remote APIC #%d...\n", apicid); + printk(KERN_INFO "Inquiring remote APIC 0x%x...\n", apicid); for (i = 0; i < ARRAY_SIZE(regs); i++) { - printk(KERN_INFO "... APIC #%d %s: ", apicid, names[i]); + printk(KERN_INFO "... APIC 0x%x %s: ", apicid, names[i]); /* * Wait for idle. @@ -874,7 +874,7 @@ do_rest: start_ip = setup_trampoline(); /* So we see what's up */ - printk(KERN_INFO "Booting processor %d/%d ip %lx\n", + printk(KERN_INFO "Booting processor %d APIC 0x%x ip 0x%lx\n", cpu, apicid, start_ip); /* -- GitLab From c87695ea74f21d180e1df3a1d00ac3dd432ea03b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 14 Sep 2008 02:33:11 -0700 Subject: [PATCH 5196/6244] dyn_array: use %pF instead of print_fn_descriptor_symbol ... and tidy up the printouts. Suggested by Andrew Morton. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- init/dyn_array.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/init/dyn_array.c b/init/dyn_array.c index 778d9d508158..c8d5e2a18588 100644 --- a/init/dyn_array.c +++ b/init/dyn_array.c @@ -17,10 +17,9 @@ void __init pre_alloc_dyn_array(void) for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { struct dyn_array *da = *daa; + printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n", + da->name, da->size, *da->nr, da->align); size = da->size * (*da->nr); - print_fn_descriptor_symbol("dyn_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", - da->size, *da->nr, da->align); total_size += roundup(size, da->align); if (da->align > max_align) max_align = da->align; @@ -40,11 +39,10 @@ void __init pre_alloc_dyn_array(void) struct dyn_array *da = *daa; size = da->size * (*da->nr); - print_fn_descriptor_symbol("dyn_array %s ", da->name); - phys = roundup(phys, da->align); + printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n", + da->name, phys, phys + size); *da->name = phys_to_virt(phys); - printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); phys += size; @@ -72,10 +70,9 @@ unsigned long __init per_cpu_dyn_array_size(unsigned long *align) for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { struct dyn_array *da = *daa; + printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n", + da->name, da->size, *da->nr, da->align); size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); - printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n", - da->size, *da->nr, da->align); total_size += roundup(size, da->align); if (da->align > max_align) max_align = da->align; @@ -103,15 +100,15 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) struct dyn_array *da = *daa; size = da->size * (*da->nr); - print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name); - phys = roundup(phys, da->align); + printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n", + da->name, phys, phys + size); + addr = (unsigned long)da->name; addr += per_cpu_offset(cpu); array = (void **)addr; *array = phys_to_virt(phys); *da->name = *array; /* so init_work could use it directly */ - printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size); phys += size; -- GitLab From 9df08f109572e88fbdab9a61d5cb0f0eae4ac9fa Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 14 Sep 2008 11:55:37 +0400 Subject: [PATCH 5197/6244] x86: apic - lapic_setup_esr does not handle esr_disable - fix it lapic_setup_esr doesn't handle esr_disable inquire. The error brought in during unification process. Fix it. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 63 ++++++++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 30 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 11cb18639581..59550cc017dc 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1081,40 +1081,43 @@ void __init init_bsp_APIC(void) static void __cpuinit lapic_setup_esr(void) { - unsigned long oldvalue, value, maxlvt; - if (lapic_is_integrated() && !esr_disable) { - if (esr_disable) { - /* - * Something untraceable is creating bad interrupts on - * secondary quads ... for the moment, just leave the - * ESR disabled - we can't do anything useful with the - * errors anyway - mbligh - */ - printk(KERN_INFO "Leaving ESR disabled.\n"); - return; - } - /* !82489DX */ - maxlvt = lapic_get_maxlvt(); - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); - oldvalue = apic_read(APIC_ESR); + unsigned int oldvalue, value, maxlvt; + + if (!lapic_is_integrated()) { + printk(KERN_INFO "No ESR for 82489DX.\n"); + return; + } - /* enables sending errors */ - value = ERROR_APIC_VECTOR; - apic_write(APIC_LVTERR, value); + if (esr_disable) { /* - * spec says clear errors after enabling vector. + * Something untraceable is creating bad interrupts on + * secondary quads ... for the moment, just leave the + * ESR disabled - we can't do anything useful with the + * errors anyway - mbligh */ - if (maxlvt > 3) - apic_write(APIC_ESR, 0); - value = apic_read(APIC_ESR); - if (value != oldvalue) - apic_printk(APIC_VERBOSE, "ESR value before enabling " - "vector: 0x%08lx after: 0x%08lx\n", - oldvalue, value); - } else { - printk(KERN_INFO "No ESR for 82489DX.\n"); + printk(KERN_INFO "Leaving ESR disabled.\n"); + return; } + + maxlvt = lapic_get_maxlvt(); + if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ + apic_write(APIC_ESR, 0); + oldvalue = apic_read(APIC_ESR); + + /* enables sending errors */ + value = ERROR_APIC_VECTOR; + apic_write(APIC_LVTERR, value); + + /* + * spec says clear errors after enabling vector. + */ + if (maxlvt > 3) + apic_write(APIC_ESR, 0); + value = apic_read(APIC_ESR); + if (value != oldvalue) + apic_printk(APIC_VERBOSE, "ESR value before enabling " + "vector: 0x%08x after: 0x%08x\n", + oldvalue, value); } -- GitLab From 08ad776e3c54e6fe8b50939f176538063b69f89e Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 14 Sep 2008 11:55:38 +0400 Subject: [PATCH 5198/6244] x86: apic - skip writting ESR register if we dont have on On 82489DX we don't have ESR register so we should not write it. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 59550cc017dc..d730e8d31727 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1131,7 +1131,7 @@ void __cpuinit setup_local_APIC(void) #ifdef CONFIG_X86_32 /* Pound the ESR really hard over the head with a big hammer - mbligh */ - if (esr_disable) { + if (lapic_is_integrated() && esr_disable) { apic_write(APIC_ESR, 0); apic_write(APIC_ESR, 0); apic_write(APIC_ESR, 0); -- GitLab From b189892de4da4634560657aedd774752094dbfa0 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 12 Sep 2008 23:58:24 +0400 Subject: [PATCH 5199/6244] x86: apic - fix unused vars warning in calibrate_APIC_clock If we don't have CONFIG_X86_PM_TIMER=y compiler warns about unused variables. Move PM timer based calibration into a separate function and make the code cleaner and the compiler happy as well. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 81 ++++++++++++++++++++++++------------------ 1 file changed, 47 insertions(+), 34 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index d730e8d31727..784116933c70 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -538,14 +538,51 @@ static void __init lapic_cal_handler(struct clock_event_device *dev) } } +static int __init calibrate_by_pmtimer(long deltapm, long *delta) +{ + const long pm_100ms = PMTMR_TICKS_PER_SEC / 10; + const long pm_thresh = pm_100ms / 100; + unsigned long mult; + u64 res; + +#ifndef CONFIG_X86_PM_TIMER + return -1; +#endif + + apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); + + /* Check, if the PM timer is available */ + if (!deltapm) + return -1; + + mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22); + + if (deltapm > (pm_100ms - pm_thresh) && + deltapm < (pm_100ms + pm_thresh)) { + apic_printk(APIC_VERBOSE, "... PM timer result ok\n"); + } else { + res = (((u64)deltapm) * mult) >> 22; + do_div(res, 1000000); + printk(KERN_WARNING "APIC calibration not consistent " + "with PM Timer: %ldms instead of 100ms\n", + (long)res); + /* Correct the lapic counter value */ + res = (((u64)(*delta)) * pm_100ms); + do_div(res, deltapm); + printk(KERN_INFO "APIC delta adjusted to PM-Timer: " + "%lu (%ld)\n", (unsigned long)res, *delta); + *delta = (long)res; + } + + return 0; +} + static int __init calibrate_APIC_clock(void) { struct clock_event_device *levt = &__get_cpu_var(lapic_events); - const long pm_100ms = PMTMR_TICKS_PER_SEC/10; - const long pm_thresh = pm_100ms/100; void (*real_handler)(struct clock_event_device *dev); unsigned long deltaj; - long delta, deltapm; + long delta; int pm_referenced = 0; local_irq_disable(); @@ -575,36 +612,9 @@ static int __init calibrate_APIC_clock(void) delta = lapic_cal_t1 - lapic_cal_t2; apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta); -#ifdef CONFIG_X86_PM_TIMER - /* Check, if the PM timer is available */ - deltapm = lapic_cal_pm2 - lapic_cal_pm1; - apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm); - - if (deltapm) { - unsigned long mult; - u64 res; - - mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22); - - if (deltapm > (pm_100ms - pm_thresh) && - deltapm < (pm_100ms + pm_thresh)) { - apic_printk(APIC_VERBOSE, "... PM timer result ok\n"); - } else { - res = (((u64) deltapm) * mult) >> 22; - do_div(res, 1000000); - printk(KERN_WARNING "APIC calibration not consistent " - "with PM Timer: %ldms instead of 100ms\n", - (long)res); - /* Correct the lapic counter value */ - res = (((u64) delta) * pm_100ms); - do_div(res, deltapm); - printk(KERN_INFO "APIC delta adjusted to PM-Timer: " - "%lu (%ld)\n", (unsigned long) res, delta); - delta = (long) res; - } - pm_referenced = 1; - } -#endif + /* we trust the PM based calibration if possible */ + pm_referenced = !calibrate_by_pmtimer(lapic_cal_pm2 - lapic_cal_pm1, + &delta); /* Calculate the scaled math multiplication factor */ lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS, @@ -646,7 +656,10 @@ static int __init calibrate_APIC_clock(void) levt->features &= ~CLOCK_EVT_FEAT_DUMMY; - /* We trust the pm timer based calibration */ + /* + * PM timer calibration failed or not turned on + * so lets try APIC timer based calibration + */ if (!pm_referenced) { apic_printk(APIC_VERBOSE, "... verify APIC timer\n"); -- GitLab From 56ffa1a028b9fce3860a247c6fe79fce7cbf425b Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sat, 13 Sep 2008 13:11:16 +0400 Subject: [PATCH 5200/6244] x86: io-apic - do not use KERN_DEBUG marker too much, fix Yinghai Lu reported: | > 0 add_pin_to_irq: irq 15 --> apic 0 pin 15 | > IOAPIC[0]: Set routing entry (8-15 -> 0x3f -> IRQ 15 Mode:0 Active:0) | > 8-16 8-17 8-18 8-19 8-20 8-21 8-22 8-23 (apicid-pin) not connected | > 9-0 9-1 9-2 9-3 9-4 9-5 9-6 9-7 9-8 9-9 9-10 9-11 9-12 9-13 9-14 9-15 | > 9-16 9-17 9-18 9-19 9-20 9-21 9-22 9-23 (apicid-pin) not connected | > | | only first one not connected at first, and ... here is a quick fix for this. Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index ac47384724e3..6ce5873a406c 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1541,6 +1541,11 @@ static void __init setup_IO_APIC_irqs(void) pin); continue; } + if (notcon) { + apic_printk(APIC_VERBOSE, + " (apicid-pin) not connected\n"); + notcon = 0; + } irq = pin_2_irq(idx, apic, pin); #ifdef CONFIG_X86_32 @@ -1552,11 +1557,6 @@ static void __init setup_IO_APIC_irqs(void) setup_IO_APIC_irq(apic, pin, irq, irq_trigger(idx), irq_polarity(idx)); } - if (notcon) { - apic_printk(APIC_VERBOSE, - " (apicid-pin) not connected\n"); - notcon = 0; - } } if (notcon) -- GitLab From e00585bb7fc3d0b601181b765a254df7ff4ea59b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Mon, 15 Sep 2008 01:53:50 -0700 Subject: [PATCH 5201/6244] irq: fix irqpoll && sparseirq Steven Noonan reported a boot hang when using irqpoll and CONFIG_HAVE_SPARSE_IRQ=y. The irqpoll loop needs to be updated to not iterate from 1 to nr_irqs but to iterate via for_each_irq_desc(). (in the former case desc can be NULL which crashes the box) Reported-by: Steven Noonan Tested-by: Steven Noonan Signed-off-by: Ingo Molnar --- kernel/irq/spurious.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index b5d906002e1d..ec5a4bef3054 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -90,14 +90,15 @@ static int misrouted_irq(int irq) { int i; int ok = 0; + struct irq_desc *desc; - for (i = 1; i < nr_irqs; i++) { - struct irq_desc *desc; + for_each_irq_desc(i, desc) { + if (!i) + continue; if (i == irq) /* Already tried */ continue; - desc = irq_to_desc(i); if (try_one_irq(i, desc)) ok = 1; } @@ -108,10 +109,14 @@ static int misrouted_irq(int irq) static void poll_spurious_irqs(unsigned long dummy) { int i; - for (i = 1; i < nr_irqs; i++) { - struct irq_desc *desc = irq_to_desc(i); + struct irq_desc *desc; + + for_each_irq_desc(i, desc) { unsigned int status; + if (!i) + continue; + /* Racy but it doesn't matter */ status = desc->status; barrier(); @@ -278,7 +283,7 @@ static int __init irqfixup_setup(char *str) __setup("irqfixup", irqfixup_setup); module_param(irqfixup, int, 0644); -MODULE_PARM_DESC("irqfixup", "0: No fixup, 1: irqfixup mode 2: irqpoll mode"); +MODULE_PARM_DESC("irqfixup", "0: No fixup, 1: irqfixup mode, 2: irqpoll mode"); static int __init irqpoll_setup(char *str) { -- GitLab From 9d98598d2fc286c8dbcd0b681168639528428db0 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Fri, 19 Sep 2008 00:12:26 -0700 Subject: [PATCH 5202/6244] sparseirq: remove some debug print out Signed-off-by: Yinghai Lu Cc: Yinghai Lu Cc: Andrew Morton Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 19 ------------------- kernel/irq/handle.c | 18 ------------------ 2 files changed, 37 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 6ce5873a406c..01419fdc1d5d 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -277,23 +277,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) spin_unlock_irqrestore(&irq_cfg_lock, flags); - printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq); -#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG - { - /* dump the results */ - struct irq_cfg *cfg; - unsigned long phys; - unsigned long bytes = sizeof(struct irq_cfg); - - printk(KERN_DEBUG "=========================== %d\n", irq); - printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq); - for_each_irq_cfg(cfg) { - phys = __pa(cfg); - printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes); - } - printk(KERN_DEBUG "===========================\n"); - } -#endif return cfg; } #else @@ -597,7 +580,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) cfg->irq_2_pin = entry; entry->apic = apic; entry->pin = pin; - printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); return; } @@ -613,7 +595,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin) entry = entry->next; entry->apic = apic; entry->pin = pin; - printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin); } /* diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index eae69373a9c6..710db0ec97e3 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -238,24 +238,6 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq) spin_unlock_irqrestore(&sparse_irq_lock, flags); - printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq); -#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG - { - /* dump the results */ - struct irq_desc *desc; - unsigned long phys; - unsigned long bytes = sizeof(struct irq_desc); - unsigned int irqx; - - printk(KERN_DEBUG "=========================== %d\n", irq); - printk(KERN_DEBUG "irq_desc dump after get that for %d\n", irq); - for_each_irq_desc(irqx, desc) { - phys = __pa(desc); - printk(KERN_DEBUG "irq_desc %d ==> [%#lx - %#lx]\n", irqx, phys, phys + bytes); - } - printk(KERN_DEBUG "===========================\n"); - } -#endif return desc; } #else -- GitLab From 2976fe20125587c944c8df48d991c38f0891fb28 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 18 Sep 2008 16:10:48 -0700 Subject: [PATCH 5203/6244] fix warning: "x86: sparse_irq needs spin_lock in allocations" caused by commit a532e19680ada3b8579b81e67e76d3ebd19c340f Author: Yinghai Lu Date: Wed Aug 20 20:46:25 2008 -0700 x86: sparse_irq needs spin_lock in allocations Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar --- kernel/irq/handle.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 710db0ec97e3..7f625fbc9aa4 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -111,12 +111,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) } } +#ifdef CONFIG_HAVE_SPARSE_IRQ /* * Protect the sparse_irqs_free freelist: */ static DEFINE_SPINLOCK(sparse_irq_lock); - -#ifdef CONFIG_HAVE_SPARSE_IRQ static struct irq_desc *sparse_irqs_free; struct irq_desc *sparse_irqs; #endif -- GitLab From 5ffa4eb2224343ec3fbd492ffe71e28e797435b7 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Thu, 18 Sep 2008 23:37:57 +0400 Subject: [PATCH 5204/6244] x86: io-apic - interrupt remapping fix Interrupt remapping could lead to NULL dereference in case of kzalloc failed and memory leak in other way. So fix the both cases. Signed-off-by: Cyrill Gorcunov Cc: "Maciej W. Rozycki" Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 13 ++++++++++--- arch/x86/kernel/io_apic.c | 19 +++++++++++++++++-- 2 files changed, 27 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 784116933c70..1f48bd1c9f2d 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -1360,7 +1360,12 @@ void enable_IR_x2apic(void) local_irq_save(flags); mask_8259A(); - save_mask_IO_APIC_setup(); + + ret = save_mask_IO_APIC_setup(); + if (ret) { + printk(KERN_INFO "Saving IO-APIC state failed: %d\n", ret); + goto end; + } ret = enable_intr_remapping(1); @@ -1370,14 +1375,15 @@ void enable_IR_x2apic(void) } if (ret) - goto end; + goto end_restore; if (!x2apic) { x2apic = 1; apic_ops = &x2apic_ops; enable_x2apic(); } -end: + +end_restore: if (ret) /* * IR enabling failed @@ -1386,6 +1392,7 @@ end: else reinit_intr_remapped_IO_APIC(x2apic_preenabled); +end: unmask_8259A(); local_irq_restore(flags); diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 01419fdc1d5d..4cc9cb64c811 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -812,7 +812,7 @@ int save_mask_IO_APIC_setup(void) kzalloc(sizeof(struct IO_APIC_route_entry) * nr_ioapic_registers[apic], GFP_KERNEL); if (!early_ioapic_entries[apic]) - return -ENOMEM; + goto nomem; } for (apic = 0; apic < nr_ioapics; apic++) @@ -826,17 +826,32 @@ int save_mask_IO_APIC_setup(void) ioapic_write_entry(apic, pin, entry); } } + return 0; + +nomem: + for (; apic > 0; apic--) + kfree(early_ioapic_entries[apic]); + kfree(early_ioapic_entries[apic]); + memset(early_ioapic_entries, 0, + ARRAY_SIZE(early_ioapic_entries)); + + return -ENOMEM; } void restore_IO_APIC_setup(void) { int apic, pin; - for (apic = 0; apic < nr_ioapics; apic++) + for (apic = 0; apic < nr_ioapics; apic++) { + if (!early_ioapic_entries[apic]) + break; for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) ioapic_write_entry(apic, pin, early_ioapic_entries[apic][pin]); + kfree(early_ioapic_entries[apic]); + early_ioapic_entries[apic] = NULL; + } } void reinit_intr_remapped_IO_APIC(int intr_remapping) -- GitLab From 8da077d6f31da291ee3a7dd559671cb8ca48cbe2 Mon Sep 17 00:00:00 2001 From: Jack Steiner Date: Tue, 23 Sep 2008 08:42:05 -0500 Subject: [PATCH 5205/6244] x86, uv: fix ordering of calls to uv_system_init & uv_cpu_init Fix problem caused by reordering of the calls to uv_cpu_init() & uv_system_init. Originally, uv_cpu_init() was called AFTER uv_system_init. This order was recently broken as a side-effect of other patches. With this patch, initialization of cpu 0 is now done by the system_init call. Signed-off-by: Jack Steiner Signed-off-by: Ingo Molnar --- arch/x86/kernel/genx2apic_uv_x.c | 34 ++++++++++++++++---------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index 33581d94a90e..b689075bbe2f 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -356,7 +356,22 @@ static __init void uv_rtc_init(void) sn_rtc_cycles_per_second = ticks_per_sec; } -static bool uv_system_inited; +/* + * Called on each cpu to initialize the per_cpu UV data area. + * ZZZ hotplug not supported yet + */ +void __cpuinit uv_cpu_init(void) +{ + /* CPU 0 initilization will be done via uv_system_init. */ + if (!uv_blade_info) + return; + + uv_blade_info[uv_numa_blade_id()].nr_online_cpus++; + + if (get_uv_system_type() == UV_NON_UNIQUE_APIC) + set_x2apic_extra_bits(uv_hub_info->pnode); +} + void __init uv_system_init(void) { @@ -448,21 +463,6 @@ void __init uv_system_init(void) map_mmr_high(max_pnode); map_config_high(max_pnode); map_mmioh_high(max_pnode); - uv_system_inited = true; -} -/* - * Called on each cpu to initialize the per_cpu UV data area. - * ZZZ hotplug not supported yet - */ -void __cpuinit uv_cpu_init(void) -{ - BUG_ON(!uv_system_inited); - - uv_blade_info[uv_numa_blade_id()].nr_online_cpus++; - - if (get_uv_system_type() == UV_NON_UNIQUE_APIC) - set_x2apic_extra_bits(uv_hub_info->pnode); + uv_cpu_init(); } - - -- GitLab From aac3f2b6f6e88827432c4050ac73552f24b19de1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 24 Sep 2008 19:04:35 -0700 Subject: [PATCH 5206/6244] x86: fix typo in irq_desc array when SPARSE_IRQ is not used, should still use irq_desc->lock Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- kernel/irq/handle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 7f625fbc9aa4..fb6bdb602a93 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -253,7 +253,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { .chip = &no_irq_chip, .handle_irq = handle_bad_irq, .depth = 1, - .lock = __SPIN_LOCK_UNLOCKED(sparse_irqs->lock), + .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock), #ifdef CONFIG_SMP .affinity = CPU_MASK_ALL #endif -- GitLab From 7564676813780e0ba4dacf95338202cb72d2172d Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 24 Sep 2008 19:04:36 -0700 Subject: [PATCH 5207/6244] x86: irq no should not use hex in /proc/interrupts Arjan van de Ven noticed that we changed IRQ numbers from decimal to hex in /proc/interrupts - that can break user-space utilities like irqbalanced. Reported-by: Arjan van de Ven Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irq_32.c | 2 +- arch/x86/kernel/irq_64.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index b2e1082cf5ad..001772ffc918 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -307,7 +307,7 @@ int show_interrupts(struct seq_file *p, void *v) action = desc->action; if (!action && !any_count) goto skip; - seq_printf(p, "%#x: ",i); + seq_printf(p, "%3d: ", i); #ifndef CONFIG_SMP seq_printf(p, "%10u ", kstat_irqs(i)); #else diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index c2fca89a3f7e..ec2661091283 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v) action = desc->action; if (!action && !any_count) goto skip; - seq_printf(p, "%#x: ",i); + seq_printf(p, "%3d: ", i); #ifndef CONFIG_SMP seq_printf(p, "%10u ", kstat_irqs(i)); #else -- GitLab From c1370b49cc4f09de5b447ddf688a3988a297dbfc Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Tue, 23 Sep 2008 23:00:02 +0400 Subject: [PATCH 5208/6244] x86: io-apic - interrupt remapping fix Clean up obscure for() cycle with straight while() form Signed-off-by: Cyrill Gorcunov Cc: "Maciej W. Rozycki" Acked-by: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 4cc9cb64c811..ed68a6f99dc2 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -830,9 +830,8 @@ int save_mask_IO_APIC_setup(void) return 0; nomem: - for (; apic > 0; apic--) - kfree(early_ioapic_entries[apic]); - kfree(early_ioapic_entries[apic]); + while (apic >= 0) + kfree(early_ioapic_entries[apic--]); memset(early_ioapic_entries, 0, ARRAY_SIZE(early_ioapic_entries)); -- GitLab From c81bba49a13cb3376654d0cc93dc069fd619ed76 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 25 Sep 2008 11:53:11 -0700 Subject: [PATCH 5209/6244] x86: print out irq nr for msi/ht, v3 v2: fix hpet compiling error v3: Bjorn want to use dev_printk instead Signed-off-by: Yinghai Lu Cc: Bjorn Helgaas Cc: Jesse Barnes Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 3 +++ arch/x86/kernel/io_apic.c | 5 +++++ 2 files changed, 8 insertions(+) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 422c577ef691..2913913f4a46 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -467,6 +467,9 @@ static int hpet_setup_irq(struct hpet_dev *dev) irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu)); enable_irq(dev->irq); + printk(KERN_DEBUG "hpet: %s irq %d for MSI\n", + dev->name, dev->irq); + return 0; } diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index ed68a6f99dc2..4ee270d30358 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -3354,6 +3354,8 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq) #endif set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge"); + dev_printk(KERN_DEBUG, &dev->dev, "irq %d for MSI/MSI-X\n", irq); + return 0; } @@ -3586,6 +3588,7 @@ int arch_setup_hpet_msi(unsigned int irq) hpet_msi_write(irq, &msg); set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq, "edge"); + return 0; } #endif @@ -3682,6 +3685,8 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) set_irq_chip_and_handler_name(irq, &ht_irq_chip, handle_edge_irq, "edge"); + + dev_printk(KERN_DEBUG, &dev->dev, "irq %d for HT\n", irq); } return err; } -- GitLab From 5f79f2f2ad39b5177c52ed08ffd066ea0c1da924 Mon Sep 17 00:00:00 2001 From: Venki Pallipadi Date: Wed, 24 Sep 2008 10:03:17 -0700 Subject: [PATCH 5210/6244] hpet: clean up warning Fix the below compile warnings due to recent HPET MSI changes arch/x86/kernel/hpet.c:48: warning: 'hpet_devs' defined but not used arch/x86/kernel/hpet.c:50: warning: 'per_cpu__cpu_hpet_dev' defined but not used Reported-by: Andrew Morton Signed-off-by: Venkatesh Pallipadi Signed-off-by: Ingo Molnar --- arch/x86/kernel/hpet.c | 57 ++++++++++++++++++++++++++---------------- 1 file changed, 35 insertions(+), 22 deletions(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 2913913f4a46..77017e834cf7 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -45,10 +45,6 @@ struct hpet_dev { char name[10]; }; -static struct hpet_dev *hpet_devs; - -static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev); - unsigned long hpet_readl(unsigned long a) { return readl(hpet_virt_address + a); @@ -126,23 +122,8 @@ EXPORT_SYMBOL_GPL(is_hpet_enabled); * timer 0 and timer 1 in case of RTC emulation. */ #ifdef CONFIG_HPET -static void hpet_reserve_msi_timers(struct hpet_data *hd) -{ - int i; - if (!hpet_devs) - return; - - for (i = 0; i < hpet_num_timers; i++) { - struct hpet_dev *hdev = &hpet_devs[i]; - - if (!(hdev->flags & HPET_DEV_VALID)) - continue; - - hd->hd_irq[hdev->num] = hdev->irq; - hpet_reserve_timer(hd, hdev->num); - } -} +static void hpet_reserve_msi_timers(struct hpet_data *hd); static void hpet_reserve_platform_timers(unsigned long id) { @@ -362,6 +343,10 @@ static int hpet_legacy_next_event(unsigned long delta, * HPET MSI Support */ #ifdef CONFIG_PCI_MSI + +static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev); +static struct hpet_dev *hpet_devs; + void hpet_msi_unmask(unsigned int irq) { struct hpet_dev *hdev = get_irq_data(irq); @@ -525,7 +510,8 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu) #else #define RESERVE_TIMERS 0 #endif -void hpet_msi_capability_lookup(unsigned int start_timer) + +static void hpet_msi_capability_lookup(unsigned int start_timer) { unsigned int id; unsigned int num_timers; @@ -571,6 +557,26 @@ void hpet_msi_capability_lookup(unsigned int start_timer) num_timers, num_timers_used); } +#ifdef CONFIG_HPET +static void hpet_reserve_msi_timers(struct hpet_data *hd) +{ + int i; + + if (!hpet_devs) + return; + + for (i = 0; i < hpet_num_timers; i++) { + struct hpet_dev *hdev = &hpet_devs[i]; + + if (!(hdev->flags & HPET_DEV_VALID)) + continue; + + hd->hd_irq[hdev->num] = hdev->irq; + hpet_reserve_timer(hd, hdev->num); + } +} +#endif + static struct hpet_dev *hpet_get_unused_timer(void) { int i; @@ -642,10 +648,17 @@ static int hpet_setup_msi_irq(unsigned int irq) { return 0; } -void hpet_msi_capability_lookup(unsigned int start_timer) +static void hpet_msi_capability_lookup(unsigned int start_timer) +{ + return; +} + +#ifdef CONFIG_HPET +static void hpet_reserve_msi_timers(struct hpet_data *hd) { return; } +#endif static int hpet_cpuhp_notify(struct notifier_block *n, unsigned long action, void *hcpu) -- GitLab From 4173a0e7371ece227559b44943c6fd456ee470d1 Mon Sep 17 00:00:00 2001 From: Dean Nelson Date: Thu, 2 Oct 2008 12:18:21 -0500 Subject: [PATCH 5211/6244] x86, UV: add uv_setup_irq() and uv_teardown_irq() functions, v3 Provide a means for UV interrupt MMRs to be setup with the message to be sent when an MSI is raised. Signed-off-by: Dean Nelson Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/io_apic.c | 68 ++++++++++++++++++++++++++++++++ arch/x86/kernel/uv_irq.c | 77 +++++++++++++++++++++++++++++++++++++ include/asm-x86/uv/uv_irq.h | 36 +++++++++++++++++ 4 files changed, 182 insertions(+), 1 deletion(-) create mode 100644 arch/x86/kernel/uv_irq.c create mode 100644 include/asm-x86/uv/uv_irq.h diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 45cecc59d894..acc0e8bf043e 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -108,7 +108,7 @@ obj-$(CONFIG_MICROCODE) += microcode.o # 64 bit specific files ifeq ($(CONFIG_X86_64),y) obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o - obj-y += bios_uv.o + obj-y += bios_uv.o uv_irq.o obj-y += genx2apic_cluster.o obj-y += genx2apic_phys.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 4ee270d30358..260c95a5e6dc 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -58,6 +58,8 @@ #include #include #include +#include +#include #include #include @@ -3692,6 +3694,72 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev) } #endif /* CONFIG_HT_IRQ */ +#ifdef CONFIG_X86_64 +/* + * Re-target the irq to the specified CPU and enable the specified MMR located + * on the specified blade to allow the sending of MSIs to the specified CPU. + */ +int arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade, + unsigned long mmr_offset) +{ + const cpumask_t *eligible_cpu = get_cpu_mask(cpu); + struct irq_cfg *cfg; + int mmr_pnode; + unsigned long mmr_value; + struct uv_IO_APIC_route_entry *entry; + unsigned long flags; + int err; + + err = assign_irq_vector(irq, *eligible_cpu); + if (err != 0) + return err; + + spin_lock_irqsave(&vector_lock, flags); + set_irq_chip_and_handler_name(irq, &uv_irq_chip, handle_percpu_irq, + irq_name); + spin_unlock_irqrestore(&vector_lock, flags); + + cfg = irq_cfg(irq); + + mmr_value = 0; + entry = (struct uv_IO_APIC_route_entry *)&mmr_value; + BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); + + entry->vector = cfg->vector; + entry->delivery_mode = INT_DELIVERY_MODE; + entry->dest_mode = INT_DEST_MODE; + entry->polarity = 0; + entry->trigger = 0; + entry->mask = 0; + entry->dest = cpu_mask_to_apicid(*eligible_cpu); + + mmr_pnode = uv_blade_to_pnode(mmr_blade); + uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value); + + return irq; +} + +/* + * Disable the specified MMR located on the specified blade so that MSIs are + * longer allowed to be sent. + */ +void arch_disable_uv_irq(int mmr_blade, unsigned long mmr_offset) +{ + unsigned long mmr_value; + struct uv_IO_APIC_route_entry *entry; + int mmr_pnode; + + mmr_value = 0; + entry = (struct uv_IO_APIC_route_entry *)&mmr_value; + BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long)); + + entry->mask = 1; + + mmr_pnode = uv_blade_to_pnode(mmr_blade); + uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value); +} +#endif /* CONFIG_X86_64 */ + int __init io_apic_get_redir_entries (int ioapic) { union IO_APIC_reg_01 reg_01; diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c new file mode 100644 index 000000000000..6bd26c91c30b --- /dev/null +++ b/arch/x86/kernel/uv_irq.c @@ -0,0 +1,77 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * SGI UV IRQ functions + * + * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. + */ + +#include +#include +#include + +static void uv_noop(unsigned int irq) +{ +} + +static unsigned int uv_noop_ret(unsigned int irq) +{ + return 0; +} + +static void uv_ack_apic(unsigned int irq) +{ + ack_APIC_irq(); +} + +struct irq_chip uv_irq_chip = { + .name = "UV-CORE", + .startup = uv_noop_ret, + .shutdown = uv_noop, + .enable = uv_noop, + .disable = uv_noop, + .ack = uv_noop, + .mask = uv_noop, + .unmask = uv_noop, + .eoi = uv_ack_apic, + .end = uv_noop, +}; + +/* + * Set up a mapping of an available irq and vector, and enable the specified + * MMR that defines the MSI that is to be sent to the specified CPU when an + * interrupt is raised. + */ +int uv_setup_irq(char *irq_name, int cpu, int mmr_blade, + unsigned long mmr_offset) +{ + int irq; + int ret; + + irq = create_irq(); + if (irq <= 0) + return -EBUSY; + + ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset); + if (ret != irq) + destroy_irq(irq); + + return ret; +} +EXPORT_SYMBOL_GPL(uv_setup_irq); + +/* + * Tear down a mapping of an irq and vector, and disable the specified MMR that + * defined the MSI that was to be sent to the specified CPU when an interrupt + * was raised. + * + * Set mmr_blade and mmr_offset to what was passed in on uv_setup_irq(). + */ +void uv_teardown_irq(unsigned int irq, int mmr_blade, unsigned long mmr_offset) +{ + arch_disable_uv_irq(mmr_blade, mmr_offset); + destroy_irq(irq); +} +EXPORT_SYMBOL_GPL(uv_teardown_irq); diff --git a/include/asm-x86/uv/uv_irq.h b/include/asm-x86/uv/uv_irq.h new file mode 100644 index 000000000000..8bf5f32da9c6 --- /dev/null +++ b/include/asm-x86/uv/uv_irq.h @@ -0,0 +1,36 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * SGI UV IRQ definitions + * + * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved. + */ + +#ifndef ASM_X86__UV__UV_IRQ_H +#define ASM_X86__UV__UV_IRQ_H + +/* If a generic version of this structure gets defined, eliminate this one. */ +struct uv_IO_APIC_route_entry { + __u64 vector : 8, + delivery_mode : 3, + dest_mode : 1, + delivery_status : 1, + polarity : 1, + __reserved_1 : 1, + trigger : 1, + mask : 1, + __reserved_2 : 15, + dest : 32; +}; + +extern struct irq_chip uv_irq_chip; + +extern int arch_enable_uv_irq(char *, unsigned int, int, int, unsigned long); +extern void arch_disable_uv_irq(int, unsigned long); + +extern int uv_setup_irq(char *, int, int, unsigned long); +extern void uv_teardown_irq(unsigned int, int, unsigned long); + +#endif /* ASM_X86__UV__UV_IRQ_H */ -- GitLab From 37762b6ffb37f9e21cbc6f80902aa06b7a053fd7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 3 Oct 2008 11:38:37 +0200 Subject: [PATCH 5212/6244] x86, UV: add uv_setup_irq() and uv_teardown_irq() functions, v3, fix fix: arch/x86/kernel/uv_irq.c: In function 'uv_ack_apic': arch/x86/kernel/uv_irq.c:26: error: implicit declaration of function 'ack_APIC_irq' Signed-off-by: Ingo Molnar --- arch/x86/kernel/uv_irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c index 6bd26c91c30b..aeef529917e4 100644 --- a/arch/x86/kernel/uv_irq.c +++ b/arch/x86/kernel/uv_irq.c @@ -10,6 +10,8 @@ #include #include + +#include #include static void uv_noop(unsigned int irq) -- GitLab From a50f70b17541c0060967c6df61133e968bad3652 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 3 Oct 2008 11:58:54 -0500 Subject: [PATCH 5213/6244] x86: Add UV EFI table entry v4 Look for a UV entry in the EFI tables. Signed-off-by: Russ Anderson Signed-off-by: Paul Jackson Acked-by: Huang Ying Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/efi.c | 4 ++++ include/linux/efi.h | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index 945a31cdd81f..1119d247fe11 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -366,6 +366,10 @@ void __init efi_init(void) SMBIOS_TABLE_GUID)) { efi.smbios = config_tables[i].table; printk(" SMBIOS=0x%lx ", config_tables[i].table); + } else if (!efi_guidcmp(config_tables[i].guid, + UV_SYSTEM_TABLE_GUID)) { + efi.uv_systab = config_tables[i].table; + printk(" UVsystab=0x%lx ", config_tables[i].table); } else if (!efi_guidcmp(config_tables[i].guid, HCDP_TABLE_GUID)) { efi.hcdp = config_tables[i].table; diff --git a/include/linux/efi.h b/include/linux/efi.h index 807373d467f7..bb66feb164bd 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz #define EFI_GLOBAL_VARIABLE_GUID \ EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c ) +#define UV_SYSTEM_TABLE_GUID \ + EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 ) + typedef struct { efi_guid_t guid; unsigned long table; @@ -255,6 +258,7 @@ extern struct efi { unsigned long boot_info; /* boot info table */ unsigned long hcdp; /* HCDP table */ unsigned long uga; /* UGA table */ + unsigned long uv_systab; /* UV system table */ efi_get_time_t *get_time; efi_set_time_t *set_time; efi_get_wakeup_time_t *get_wakeup_time; -- GitLab From 7f5942329e0787087a5e4dced838cee711ac2b58 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 3 Oct 2008 11:59:15 -0500 Subject: [PATCH 5214/6244] x86: Add UV bios call infrastructure v4 Add the EFI callback function and associated wrapper code. Initialize SAL system table entry info at boot time. Signed-off-by: Russ Anderson Signed-off-by: Paul Jackson Acked-by: Huang Ying Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/bios_uv.c | 101 ++++++++++++++++++++++++------- arch/x86/kernel/genx2apic_uv_x.c | 1 + include/asm-x86/efi.h | 13 ++++ include/asm-x86/uv/bios.h | 73 ++++++++++++---------- 4 files changed, 135 insertions(+), 53 deletions(-) diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index fdd585f9c53d..5481eb59f783 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -1,8 +1,6 @@ /* * BIOS run time interface routines. * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -16,33 +14,94 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson */ +#include +#include +#include #include -const char * -x86_bios_strerror(long status) +struct uv_systab uv_systab; + +s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5) { - const char *str; - switch (status) { - case 0: str = "Call completed without error"; break; - case -1: str = "Not implemented"; break; - case -2: str = "Invalid argument"; break; - case -3: str = "Call completed with error"; break; - default: str = "Unknown BIOS status code"; break; - } - return str; + struct uv_systab *tab = &uv_systab; + + if (!tab->function) + /* + * BIOS does not support UV systab + */ + return BIOS_STATUS_UNIMPLEMENTED; + + return efi_call6((void *)__va(tab->function), + (u64)which, a1, a2, a3, a4, a5); } -long -x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, - unsigned long *drift_info) +s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, + u64 a4, u64 a5) { - struct uv_bios_retval isrv; + unsigned long bios_flags; + s64 ret; + + local_irq_save(bios_flags); + ret = uv_bios_call(which, a1, a2, a3, a4, a5); + local_irq_restore(bios_flags); + + return ret; +} + +s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, + u64 a4, u64 a5) +{ + s64 ret; + + preempt_disable(); + ret = uv_bios_call(which, a1, a2, a3, a4, a5); + preempt_enable(); - BIOS_CALL(isrv, BIOS_FREQ_BASE, which, 0, 0, 0, 0, 0, 0); - *ticks_per_second = isrv.v0; - *drift_info = isrv.v1; - return isrv.status; + return ret; +} + +long +x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second, + unsigned long *drift_info) +{ + return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type, + (u64)ticks_per_second, 0, 0, 0); } EXPORT_SYMBOL_GPL(x86_bios_freq_base); + + +#ifdef CONFIG_EFI +void uv_bios_init(void) +{ + struct uv_systab *tab; + + if ((efi.uv_systab == EFI_INVALID_TABLE_ADDR) || + (efi.uv_systab == (unsigned long)NULL)) { + printk(KERN_CRIT "No EFI UV System Table.\n"); + uv_systab.function = (unsigned long)NULL; + return; + } + + tab = (struct uv_systab *)ioremap(efi.uv_systab, + sizeof(struct uv_systab)); + if (strncmp(tab->signature, "UVST", 4) != 0) + printk(KERN_ERR "bad signature in UV system table!"); + + /* + * Copy table to permanent spot for later use. + */ + memcpy(&uv_systab, tab, sizeof(struct uv_systab)); + iounmap(tab); + + printk(KERN_INFO "EFI UV System Table Revision %d\n", tab->revision); +} +#else /* !CONFIG_EFI */ + +void uv_bios_init(void) { } +#endif + diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index b689075bbe2f..aa2e5e15bf69 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -427,6 +427,7 @@ void __init uv_system_init(void) gnode_upper = (((unsigned long)node_id.s.node_id) & ~((1 << n_val) - 1)) << m_val; + uv_bios_init(); uv_rtc_init(); for_each_present_cpu(cpu) { diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h index ed2de22e8705..313438e63348 100644 --- a/include/asm-x86/efi.h +++ b/include/asm-x86/efi.h @@ -94,4 +94,17 @@ extern void efi_reserve_early(void); extern void efi_call_phys_prelog(void); extern void efi_call_phys_epilog(void); +#ifndef CONFIG_EFI +/* + * IF EFI is not configured, have the EFI calls return -ENOSYS. + */ +#define efi_call0(_f) (-ENOSYS) +#define efi_call1(_f, _a1) (-ENOSYS) +#define efi_call2(_f, _a1, _a2) (-ENOSYS) +#define efi_call3(_f, _a1, _a2, _a3) (-ENOSYS) +#define efi_call4(_f, _a1, _a2, _a3, _a4) (-ENOSYS) +#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5) (-ENOSYS) +#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6) (-ENOSYS) +#endif /* CONFIG_EFI */ + #endif /* ASM_X86__EFI_H */ diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h index 7cd6d7ec1308..f63e46e5337c 100644 --- a/include/asm-x86/uv/bios.h +++ b/include/asm-x86/uv/bios.h @@ -2,9 +2,7 @@ #define ASM_X86__UV__BIOS_H /* - * BIOS layer definitions. - * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * UV BIOS layer definitions. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,50 +17,61 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson */ #include -#define BIOS_FREQ_BASE 0x01000001 +/* + * Values for the BIOS calls. It is passed as the first * argument in the + * BIOS call. Passing any other value in the first argument will result + * in a BIOS_STATUS_UNIMPLEMENTED return status. + */ +enum uv_bios_cmd { + UV_BIOS_COMMON, + UV_BIOS_GET_SN_INFO, + UV_BIOS_FREQ_BASE +}; +/* + * Status values returned from a BIOS call. + */ enum { - BIOS_FREQ_BASE_PLATFORM = 0, - BIOS_FREQ_BASE_INTERVAL_TIMER = 1, - BIOS_FREQ_BASE_REALTIME_CLOCK = 2 + BIOS_STATUS_SUCCESS = 0, + BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, + BIOS_STATUS_EINVAL = -EINVAL, + BIOS_STATUS_UNAVAIL = -EBUSY }; -# define BIOS_CALL(result, a0, a1, a2, a3, a4, a5, a6, a7) \ - do { \ - /* XXX - the real call goes here */ \ - result.status = BIOS_STATUS_UNIMPLEMENTED; \ - isrv.v0 = 0; \ - isrv.v1 = 0; \ - } while (0) +/* + * The UV system table describes specific firmware + * capabilities available to the Linux kernel at runtime. + */ +struct uv_systab { + char signature[4]; /* must be "UVST" */ + u32 revision; /* distinguish different firmware revs */ + u64 function; /* BIOS runtime callback function ptr */ +}; enum { - BIOS_STATUS_SUCCESS = 0, - BIOS_STATUS_UNIMPLEMENTED = -1, - BIOS_STATUS_EINVAL = -2, - BIOS_STATUS_ERROR = -3 + BIOS_FREQ_BASE_PLATFORM = 0, + BIOS_FREQ_BASE_INTERVAL_TIMER = 1, + BIOS_FREQ_BASE_REALTIME_CLOCK = 2 }; -struct uv_bios_retval { - /* - * A zero status value indicates call completed without error. - * A negative status value indicates reason of call failure. - * A positive status value indicates success but an - * informational value should be printed (e.g., "reboot for - * change to take effect"). - */ - s64 status; - u64 v0; - u64 v1; - u64 v2; -}; +/* + * bios calls have 6 parameters + */ +extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64); + +extern void uv_bios_init(void); extern long x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, unsigned long *drift_info); -extern const char *x86_bios_strerror(long status); #endif /* ASM_X86__UV__BIOS_H */ -- GitLab From 922402f15a85f7a064926eb1db68cc52bc4d4a91 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 3 Oct 2008 11:59:33 -0500 Subject: [PATCH 5215/6244] x86: Add UV partition call v4 Add a bios call to return partitioning related info. Signed-off-by: Russ Anderson Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/bios_uv.c | 44 ++++++++++++++++++++++++++++---- arch/x86/kernel/genx2apic_uv_x.c | 14 +++++----- include/asm-x86/uv/bios.h | 22 +++++++++++++--- 3 files changed, 66 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index 5481eb59f783..f0dfe6f17e7e 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -23,6 +23,7 @@ #include #include #include +#include struct uv_systab uv_systab; @@ -65,14 +66,47 @@ s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, return ret; } -long -x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second, - unsigned long *drift_info) + +long sn_partition_id; +EXPORT_SYMBOL_GPL(sn_partition_id); +long uv_coherency_id; +EXPORT_SYMBOL_GPL(uv_coherency_id); +long uv_region_size; +EXPORT_SYMBOL_GPL(uv_region_size); +int uv_type; + + +s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher, + long *region) +{ + s64 ret; + u64 v0, v1; + union partition_info_u part; + + ret = uv_bios_call_irqsave(UV_BIOS_GET_SN_INFO, fc, + (u64)(&v0), (u64)(&v1), 0, 0); + if (ret != BIOS_STATUS_SUCCESS) + return ret; + + part.val = v0; + if (uvtype) + *uvtype = part.hub_version; + if (partid) + *partid = part.partition_id; + if (coher) + *coher = part.coherence_id; + if (region) + *region = part.region_size; + return ret; +} + + +s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second) { return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type, - (u64)ticks_per_second, 0, 0, 0); + (u64)ticks_per_second, 0, 0, 0); } -EXPORT_SYMBOL_GPL(x86_bios_freq_base); +EXPORT_SYMBOL_GPL(uv_bios_freq_base); #ifdef CONFIG_EFI diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c index aa2e5e15bf69..bfd532843df6 100644 --- a/arch/x86/kernel/genx2apic_uv_x.c +++ b/arch/x86/kernel/genx2apic_uv_x.c @@ -341,12 +341,12 @@ static __init void map_mmioh_high(int max_pnode) static __init void uv_rtc_init(void) { - long status, ticks_per_sec, drift; + long status; + u64 ticks_per_sec; - status = - x86_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec, - &drift); - if (status != 0 || ticks_per_sec < 100000) { + status = uv_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK, + &ticks_per_sec); + if (status != BIOS_STATUS_SUCCESS || ticks_per_sec < 100000) { printk(KERN_WARNING "unable to determine platform RTC clock frequency, " "guessing.\n"); @@ -428,6 +428,8 @@ void __init uv_system_init(void) ~((1 << n_val) - 1)) << m_val; uv_bios_init(); + uv_bios_get_sn_info(0, &uv_type, &sn_partition_id, + &uv_coherency_id, &uv_region_size); uv_rtc_init(); for_each_present_cpu(cpu) { @@ -449,7 +451,7 @@ void __init uv_system_init(void) uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1; uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper; uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base; - uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */ + uv_cpu_hub_info(cpu)->coherency_domain_number = uv_coherency_id; uv_node_to_blade[nid] = blade; uv_cpu_to_blade[cpu] = blade; max_pnode = max(pnode, max_pnode); diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h index f63e46e5337c..3b305d897c84 100644 --- a/include/asm-x86/uv/bios.h +++ b/include/asm-x86/uv/bios.h @@ -61,6 +61,16 @@ enum { BIOS_FREQ_BASE_REALTIME_CLOCK = 2 }; +union partition_info_u { + u64 val; + struct { + u64 hub_version : 8, + partition_id : 16, + coherence_id : 16, + region_size : 24; + }; +}; + /* * bios calls have 6 parameters */ @@ -68,10 +78,16 @@ extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64); extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64); extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *); +extern s64 uv_bios_freq_base(u64, u64 *); + extern void uv_bios_init(void); -extern long -x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second, - unsigned long *drift_info); +extern int uv_type; +extern long sn_partition_id; +extern long uv_coherency_id; +extern long uv_region_size; +#define partition_coherence_id() (uv_coherency_id) + #endif /* ASM_X86__UV__BIOS_H */ -- GitLab From fc8c2d763bacc02962048fa042e287debb1416aa Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 3 Oct 2008 11:59:50 -0500 Subject: [PATCH 5216/6244] x86: Add sysfs entries for UV v4 Create /sys/firmware/sgi_uv sysfs entries for partition_id and coherence_id. Signed-off-by: Russ Anderson Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/uv_sysfs.c | 72 ++++++++++++++++++++++++++++++++++++++ include/asm-x86/uv/bios.h | 1 + 3 files changed, 74 insertions(+), 1 deletion(-) create mode 100644 arch/x86/kernel/uv_sysfs.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index acc0e8bf043e..cb6ade443f00 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -108,7 +108,7 @@ obj-$(CONFIG_MICROCODE) += microcode.o # 64 bit specific files ifeq ($(CONFIG_X86_64),y) obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o - obj-y += bios_uv.o uv_irq.o + obj-y += bios_uv.o uv_irq.o uv_sysfs.o obj-y += genx2apic_cluster.o obj-y += genx2apic_phys.o obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o diff --git a/arch/x86/kernel/uv_sysfs.c b/arch/x86/kernel/uv_sysfs.c new file mode 100644 index 000000000000..67f9b9dbf800 --- /dev/null +++ b/arch/x86/kernel/uv_sysfs.c @@ -0,0 +1,72 @@ +/* + * This file supports the /sys/firmware/sgi_uv interfaces for SGI UV. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson + */ + +#include +#include + +struct kobject *sgi_uv_kobj; + +static ssize_t partition_id_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%ld\n", sn_partition_id); +} + +static ssize_t coherence_id_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%ld\n", partition_coherence_id()); +} + +static struct kobj_attribute partition_id_attr = + __ATTR(partition_id, S_IRUGO, partition_id_show, NULL); + +static struct kobj_attribute coherence_id_attr = + __ATTR(coherence_id, S_IRUGO, coherence_id_show, NULL); + + +static int __init sgi_uv_sysfs_init(void) +{ + unsigned long ret; + + if (!sgi_uv_kobj) + sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj); + if (!sgi_uv_kobj) { + printk(KERN_WARNING "kobject_create_and_add sgi_uv failed \n"); + return -EINVAL; + } + + ret = sysfs_create_file(sgi_uv_kobj, &partition_id_attr.attr); + if (ret) { + printk(KERN_WARNING "sysfs_create_file partition_id failed \n"); + return ret; + } + + ret = sysfs_create_file(sgi_uv_kobj, &coherence_id_attr.attr); + if (ret) { + printk(KERN_WARNING "sysfs_create_file coherence_id failed \n"); + return ret; + } + + return 0; +} + +device_initcall(sgi_uv_sysfs_init); diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h index 3b305d897c84..215f1969c266 100644 --- a/include/asm-x86/uv/bios.h +++ b/include/asm-x86/uv/bios.h @@ -89,5 +89,6 @@ extern long uv_coherency_id; extern long uv_region_size; #define partition_coherence_id() (uv_coherency_id) +extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ #endif /* ASM_X86__UV__BIOS_H */ -- GitLab From 4c66a73f0796dacc2ff0d4af75794ec843ceb3d1 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sat, 4 Oct 2008 15:52:15 -0700 Subject: [PATCH 5217/6244] x86: sparse_irq: fix typo in debug print out Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 260c95a5e6dc..f959acbc0db2 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -257,7 +257,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq) panic("please boot with nr_irq_cfg= %d\n", count * 2); phys = __pa(cfg); - printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes); + printk(KERN_DEBUG "irq_cfg ==> [%#lx - %#lx]\n", phys, phys + total_bytes); for (i = 0; i < nr_irq_cfg; i++) init_one_irq_cfg(&cfg[i]); -- GitLab From 81608f3c254512b906ab78082ec5966b376aacd5 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Fri, 10 Oct 2008 19:00:17 +0400 Subject: [PATCH 5218/6244] x86: apic - unify APIC_DIVISOR Use APIC_DIVISOR being set to 16 for both 32/64bit mode. To escape APIC timer underflow during calibration set it to the maximum possible value. Also typo error (CONFG instead of proper CONFIG) fixed. The error was caught by Venkatesh Pallipadi, thanks a lot Venkatesh! See details on http://lkml.org/lkml/2008/10/9/425 Reported-by: Venkatesh Pallipad Signed-off-by: Cyrill Gorcunov Acked-by: "Maciej W. Rozycki" Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 1f48bd1c9f2d..04a7f960bbc0 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -332,11 +332,7 @@ int lapic_get_maxlvt(void) */ /* Clock divisor */ -#ifdef CONFG_X86_64 -#define APIC_DIVISOR 1 -#else #define APIC_DIVISOR 16 -#endif /* * This function sets up the local APIC timer, with a timeout of @@ -592,10 +588,10 @@ static int __init calibrate_APIC_clock(void) global_clock_event->event_handler = lapic_cal_handler; /* - * Setup the APIC counter to 1e9. There is no way the lapic + * Setup the APIC counter to maximum. There is no way the lapic * can underflow in the 100ms detection time frame */ - __setup_APIC_LVTT(1000000000, 0, 0); + __setup_APIC_LVTT(0xffffffff, 0, 0); /* Let the interrupts run */ local_irq_enable(); -- GitLab From 7ef0c30dbf96a8d9a234e90c248eb19df3c031be Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 13:07:35 +0200 Subject: [PATCH 5219/6244] genirq: define nr_irqs for architectures with GENERIC_HARDIRQS=n Revert the sparse irq changes in m68k/s390/sparc and just define nr_irqs as NR_IRQS for those architectures. Signed-off-by: Thomas Gleixner --- arch/m68k/kernel/ints.c | 3 --- arch/s390/kernel/irq.c | 3 --- arch/sparc/kernel/irq.c | 4 ---- include/linux/interrupt.h | 8 +++++--- 4 files changed, 5 insertions(+), 13 deletions(-) diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 44169e4cd91d..7e8a0d394e61 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -46,9 +46,6 @@ #include #endif -int nr_irqs = NR_IRQS; -EXPORT_SYMBOL(nr_irqs); - extern u32 auto_irqhandler_fixup[]; extern u32 user_irqhandler_fixup[]; extern u16 user_irqvec_fixup[]; diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 3624c4a0037a..e7c5bfb7c755 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -17,9 +17,6 @@ #include #include -int nr_irqs = NR_IRQS; -EXPORT_SYMBOL(nr_irqs); - /* * show_interrupts is needed by /proc/interrupts. */ diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 4b99e3ce3916..93e1d1c65290 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -55,10 +55,6 @@ #define SMP_NOP2 #define SMP_NOP3 #endif /* SMP */ - -int nr_irqs = NR_IRQS; -EXPORT_SYMBOL(nr_irqs); - unsigned long __raw_local_irq_save(void) { unsigned long retval; diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index d4039a0b23f4..5a57df2ee922 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -15,11 +15,13 @@ #include #include -extern int nr_irqs; - #ifndef CONFIG_GENERIC_HARDIRQS -#define for_each_irq_desc(irq, desc) \ +# define for_each_irq_desc(irq, desc) \ for (irq = 0; irq < nr_irqs; irq++) + +# define nr_irqs NR_IRQS +#else +extern int nr_irqs; #endif /* -- GitLab From 3235e936c0cc3589309280b6f59e5096779adae3 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 13:16:00 +0200 Subject: [PATCH 5220/6244] x86: remove sparse irq from Kconfig This code is not ready yet. Signed-off-by: Thomas Gleixner --- arch/x86/Kconfig | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 600584b7a497..8636ddf2f4a4 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -237,17 +237,6 @@ config SMP If you don't know what to do here, say N. -config HAVE_SPARSE_IRQ - bool "Support sparse irq numbering" - depends on PCI_MSI || HT_IRQ - default y - help - This enables support for sparse irq, esp for msi/msi-x. the irq - number will be bus/dev/fn + 12bit. You may need if you have lots of - cards supports msi-x installed. - - If you don't know what to do here, say Y. - config X86_FIND_SMP_CONFIG def_bool y depends on X86_MPPARSE || X86_VOYAGER -- GitLab From 70dd4d992ab324a59cdcd6bedc3f4e729863d514 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 15:39:27 +0200 Subject: [PATCH 5221/6244] genirq: consolidate nr_irqs and for_each_irq_desc() Move all of those to linux/irq.h where they belong. Signed-off-by: Thomas Gleixner --- include/linux/interrupt.h | 9 --------- include/linux/irq.h | 17 ++++++++++++----- 2 files changed, 12 insertions(+), 14 deletions(-) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 5a57df2ee922..58ff4e74b2f3 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -15,15 +15,6 @@ #include #include -#ifndef CONFIG_GENERIC_HARDIRQS -# define for_each_irq_desc(irq, desc) \ - for (irq = 0; irq < nr_irqs; irq++) - -# define nr_irqs NR_IRQS -#else -extern int nr_irqs; -#endif - /* * These correspond to the IORESOURCE_IRQ_* defines in * linux/ioport.h to select the interrupt line behaviour. When diff --git a/include/linux/irq.h b/include/linux/irq.h index 93fe9a943e71..dbe8734ae86c 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -11,6 +11,18 @@ #include +#ifndef CONFIG_GENERIC_HARDIRQS +# define nr_irqs NR_IRQS + +# define for_each_irq_desc(irq, desc) \ + for (irq = 0; irq < nr_irqs; irq++) +#else +extern int nr_irqs; + +# define for_each_irq_desc(irq, desc) \ + for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) +#endif + #ifndef CONFIG_S390 #include @@ -204,11 +216,6 @@ extern struct irq_desc irq_desc[NR_IRQS]; extern struct irq_desc *irq_desc; #endif -#ifdef CONFIG_GENERIC_HARDIRQS -#define for_each_irq_desc(irq, desc) \ - for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc = &irq_desc[irq]) -#endif - #else extern struct irq_desc *sparse_irqs; -- GitLab From c6b7674f323622d86316bf7951ad9cae1ce24642 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 14:31:29 +0200 Subject: [PATCH 5222/6244] genirq: use inline function for irq_to_desc For the non sparse irq case an inline function is perfectly fine. Signed-off-by: Thomas Gleixner --- include/linux/irq.h | 15 +++++++++++++-- kernel/irq/handle.c | 14 -------------- 2 files changed, 13 insertions(+), 16 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index dbe8734ae86c..7d1adacaadb4 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -204,8 +204,6 @@ struct irq_desc { const char *name; } ____cacheline_internodealigned_in_smp; -extern struct irq_desc *irq_to_desc(unsigned int irq); -extern struct irq_desc *irq_to_desc_alloc(unsigned int irq); #ifndef CONFIG_HAVE_SPARSE_IRQ @@ -216,8 +214,21 @@ extern struct irq_desc irq_desc[NR_IRQS]; extern struct irq_desc *irq_desc; #endif +static inline struct irq_desc *irq_to_desc(unsigned int irq) +{ + return (irq < nr_irqs) ? irq_desc + irq : NULL; +} + +static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq) +{ + return irq_to_desc(irq); +} + #else +extern struct irq_desc *irq_to_desc(unsigned int irq); +extern struct irq_desc *irq_to_desc_alloc(unsigned int irq); + extern struct irq_desc *sparse_irqs; #define for_each_irq_desc(irqX, desc) \ for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index fb6bdb602a93..c19896f895f9 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -262,20 +262,6 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { #endif -#ifndef CONFIG_HAVE_SPARSE_IRQ -struct irq_desc *irq_to_desc(unsigned int irq) -{ - if (irq < nr_irqs) - return &irq_desc[irq]; - - return NULL; -} -struct irq_desc *irq_to_desc_alloc(unsigned int irq) -{ - return irq_to_desc(irq); -} -#endif - /* * What should we do if we get a hw irq event on an illegal vector? * Each architecture has to answer this themself. -- GitLab From 2cc21ef843d4fb7da122239b644a1f6f0aca60a6 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 14:16:55 +0200 Subject: [PATCH 5223/6244] genirq: remove sparse irq code This code is not ready, but we need to rip it out instead of rebasing as we would lose the APIC/IO_APIC unification otherwise. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/io_apic.c | 130 ++--------------------------------- arch/x86/kernel/irq_32.c | 8 --- arch/x86/kernel/irq_64.c | 8 --- drivers/char/random.c | 31 --------- drivers/pci/htirq.c | 19 +---- drivers/pci/intr_remapping.c | 75 -------------------- fs/proc/proc_misc.c | 43 ++---------- include/linux/irq.h | 20 ------ kernel/irq/handle.c | 114 ------------------------------ 9 files changed, 10 insertions(+), 438 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index f959acbc0db2..683610517d2a 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -111,9 +111,6 @@ struct irq_cfg; struct irq_pin_list; struct irq_cfg { unsigned int irq; -#ifdef CONFIG_HAVE_SPARSE_IRQ - struct irq_cfg *next; -#endif struct irq_pin_list *irq_2_pin; cpumask_t domain; cpumask_t old_domain; @@ -151,15 +148,6 @@ static void init_one_irq_cfg(struct irq_cfg *cfg) static struct irq_cfg *irq_cfgx; -#ifdef CONFIG_HAVE_SPARSE_IRQ -/* - * Protect the irq_cfgx_free freelist: - */ -static DEFINE_SPINLOCK(irq_cfg_lock); - -static struct irq_cfg *irq_cfgx_free; -#endif - static void __init init_work(void *data) { struct dyn_array *da = data; @@ -174,114 +162,7 @@ static void __init init_work(void *data) legacy_count = ARRAY_SIZE(irq_cfg_legacy); for (i = legacy_count; i < *da->nr; i++) init_one_irq_cfg(&cfg[i]); - -#ifdef CONFIG_HAVE_SPARSE_IRQ - for (i = 1; i < *da->nr; i++) - cfg[i-1].next = &cfg[i]; - - irq_cfgx_free = &irq_cfgx[legacy_count]; - irq_cfgx[legacy_count - 1].next = NULL; -#endif -} - -#ifdef CONFIG_HAVE_SPARSE_IRQ -/* need to be biger than size of irq_cfg_legacy */ -static int nr_irq_cfg = 32; - -static int __init parse_nr_irq_cfg(char *arg) -{ - if (arg) { - nr_irq_cfg = simple_strtoul(arg, NULL, 0); - if (nr_irq_cfg < 32) - nr_irq_cfg = 32; - } - return 0; -} - -early_param("nr_irq_cfg", parse_nr_irq_cfg); - -#define for_each_irq_cfg(irqX, cfg) \ - for (cfg = irq_cfgx, irqX = cfg->irq; cfg; cfg = cfg->next, irqX = cfg ? cfg->irq : -1U) - - -DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); - -static struct irq_cfg *irq_cfg(unsigned int irq) -{ - struct irq_cfg *cfg; - - cfg = irq_cfgx; - while (cfg) { - if (cfg->irq == irq) - return cfg; - - cfg = cfg->next; - } - - return NULL; -} - -static struct irq_cfg *irq_cfg_alloc(unsigned int irq) -{ - struct irq_cfg *cfg, *cfg_pri; - unsigned long flags; - int count = 0; - int i; - - cfg_pri = cfg = irq_cfgx; - while (cfg) { - if (cfg->irq == irq) - return cfg; - - cfg_pri = cfg; - cfg = cfg->next; - count++; - } - - spin_lock_irqsave(&irq_cfg_lock, flags); - if (!irq_cfgx_free) { - unsigned long phys; - unsigned long total_bytes; - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg); - - total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg; - if (after_bootmem) - cfg = kzalloc(total_bytes, GFP_ATOMIC); - else - cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - - if (!cfg) - panic("please boot with nr_irq_cfg= %d\n", count * 2); - - phys = __pa(cfg); - printk(KERN_DEBUG "irq_cfg ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - - for (i = 0; i < nr_irq_cfg; i++) - init_one_irq_cfg(&cfg[i]); - - for (i = 1; i < nr_irq_cfg; i++) - cfg[i-1].next = &cfg[i]; - - irq_cfgx_free = cfg; - } - - cfg = irq_cfgx_free; - irq_cfgx_free = irq_cfgx_free->next; - cfg->next = NULL; - if (cfg_pri) - cfg_pri->next = cfg; - else - irq_cfgx = cfg; - cfg->irq = irq; - - spin_unlock_irqrestore(&irq_cfg_lock, flags); - - return cfg; } -#else #define for_each_irq_cfg(irq, cfg) \ for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq]) @@ -290,17 +171,16 @@ DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work struct irq_cfg *irq_cfg(unsigned int irq) { - if (irq < nr_irqs) - return &irq_cfgx[irq]; + if (irq < nr_irqs) + return &irq_cfgx[irq]; - return NULL; + return NULL; } struct irq_cfg *irq_cfg_alloc(unsigned int irq) { - return irq_cfg(irq); + return irq_cfg(irq); } -#endif /* * This is performance-critical, we want to do it O(1) * @@ -3068,9 +2948,7 @@ unsigned int create_irq_nr(unsigned int irq_want) unsigned long flags; struct irq_cfg *cfg_new; -#ifndef CONFIG_HAVE_SPARSE_IRQ irq_want = nr_irqs - 1; -#endif irq = 0; spin_lock_irqsave(&vector_lock, flags); diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 001772ffc918..ccf6c1bf7120 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -272,20 +272,12 @@ int show_interrupts(struct seq_file *p, void *v) struct irq_desc *desc = NULL; int tail = 0; -#ifdef CONFIG_HAVE_SPARSE_IRQ - desc = (struct irq_desc *)v; - entries = -1U; - i = desc->irq; - if (!desc->next) - tail = 1; -#else entries = nr_irqs - 1; i = *(loff_t *) v; if (i == nr_irqs) tail = 1; else desc = irq_to_desc(i); -#endif if (i == 0) { seq_printf(p, " "); diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index ec2661091283..21f53b911113 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -77,20 +77,12 @@ int show_interrupts(struct seq_file *p, void *v) struct irq_desc *desc = NULL; int tail = 0; -#ifdef CONFIG_HAVE_SPARSE_IRQ - desc = (struct irq_desc *)v; - entries = -1U; - i = desc->irq; - if (!desc->next) - tail = 1; -#else entries = nr_irqs - 1; i = *(loff_t *) v; if (i == nr_irqs) tail = 1; else desc = irq_to_desc(i); -#endif if (i == 0) { seq_printf(p, " "); diff --git a/drivers/char/random.c b/drivers/char/random.c index 60c9c7ee6b2c..9ce80213007b 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -558,8 +558,6 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; -#ifndef CONFIG_HAVE_SPARSE_IRQ - #ifdef CONFIG_HAVE_DYN_ARRAY static struct timer_rand_state **irq_timer_state; DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL); @@ -583,33 +581,6 @@ static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *stat irq_timer_state[irq] = state; } -#else - -static struct timer_rand_state *get_timer_rand_state(unsigned int irq) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - - if (!desc) - return NULL; - - return desc->timer_rand_state; -} - -static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - - if (!desc) - return; - - desc->timer_rand_state = state; -} -#endif - static struct timer_rand_state input_timer_state; /* @@ -967,10 +938,8 @@ void rand_initialize_irq(int irq) { struct timer_rand_state *state; -#ifndef CONFIG_HAVE_SPARSE_IRQ if (irq >= nr_irqs) return; -#endif state = get_timer_rand_state(irq); diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 9e4929a00832..bf7d6ce9bbb3 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -82,18 +82,6 @@ void unmask_ht_irq(unsigned int irq) write_ht_irq_msg(irq, &msg); } -static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) -{ - unsigned int irq; - - irq = dev->bus->number; - irq <<= 8; - irq |= dev->devfn; - irq <<= 12; - - return irq; -} - /** * __ht_create_irq - create an irq and attach it to a device. * @dev: The hypertransport device to find the irq capability on. @@ -110,7 +98,6 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) int max_irq; int pos; int irq; - unsigned int irq_want; pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ); if (!pos) @@ -138,12 +125,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update) cfg->msg.address_lo = 0xffffffff; cfg->msg.address_hi = 0xffffffff; - irq_want= build_irq_for_pci_dev(dev); -#ifdef CONFIG_HAVE_SPARSE_IRQ - irq = create_irq_nr(irq_want + idx); -#else irq = create_irq(); -#endif + if (irq <= 0) { kfree(cfg); return -EBUSY; diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 2dcf973890c4..0f43b265eee6 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -19,78 +19,6 @@ struct irq_2_iommu { u8 irte_mask; }; -#ifdef CONFIG_HAVE_SPARSE_IRQ -static struct irq_2_iommu *irq_2_iommuX; -/* fill one page ? */ -static int nr_irq_2_iommu = 0x100; -static int irq_2_iommu_index; -DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irq_2_iommu, PAGE_SIZE, NULL); - -extern void *__alloc_bootmem_nopanic(unsigned long size, - unsigned long align, - unsigned long goal); - -static struct irq_2_iommu *get_one_free_irq_2_iommu(int not_used) -{ - struct irq_2_iommu *iommu; - unsigned long total_bytes; - - if (irq_2_iommu_index >= nr_irq_2_iommu) { - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_2_iommu %d\n", nr_irq_2_iommu); - - total_bytes = sizeof(struct irq_2_iommu)*nr_irq_2_iommu; - - if (after_bootmem) - iommu = kzalloc(total_bytes, GFP_ATOMIC); - else - iommu = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - - if (!iommu) - panic("can not get more irq_2_iommu\n"); - - irq_2_iommuX = iommu; - irq_2_iommu_index = 0; - } - - iommu = &irq_2_iommuX[irq_2_iommu_index]; - irq_2_iommu_index++; - return iommu; -} - -static struct irq_2_iommu *irq_2_iommu(unsigned int irq) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - - BUG_ON(!desc); - - return desc->irq_2_iommu; -} - -static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) -{ - struct irq_desc *desc; - struct irq_2_iommu *irq_iommu; - - /* - * alloc irq desc if not allocated already. - */ - desc = irq_to_desc_alloc(irq); - - irq_iommu = desc->irq_2_iommu; - - if (!irq_iommu) - desc->irq_2_iommu = get_one_free_irq_2_iommu(irq); - - return desc->irq_2_iommu; -} - -#else /* !CONFIG_HAVE_SPARSE_IRQ */ - #ifdef CONFIG_HAVE_DYN_ARRAY static struct irq_2_iommu *irq_2_iommuX; DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL); @@ -109,7 +37,6 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) { return irq_2_iommu(irq); } -#endif static DEFINE_SPINLOCK(irq_2_ir_lock); @@ -166,11 +93,9 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) if (!count) return -1; -#ifndef CONFIG_HAVE_SPARSE_IRQ /* protect irq_2_iommu_alloc later */ if (irq >= nr_irqs) return -1; -#endif /* * start the IRTE search from index 0. diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index d68c3592fe4a..3f5c7b9d1a70 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -529,13 +529,10 @@ static int show_stat(struct seq_file *p, void *v) softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq); steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal); guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest); + for_each_irq_desc(j, desc) - { - unsigned int temp; + sum += kstat_irqs_cpu(j, i); - temp = kstat_irqs_cpu(j, i); - sum += temp; - } sum += arch_irq_stat_cpu(i); } sum += arch_irq_stat(); @@ -578,21 +575,13 @@ static int show_stat(struct seq_file *p, void *v) seq_printf(p, "intr %llu", (unsigned long long)sum); /* sum again ? it could be updated? */ - for_each_irq_desc(j, desc) - { + for_each_irq_desc(j, desc) { per_irq_sum = 0; - for_each_possible_cpu(i) { - unsigned int temp; - temp = kstat_irqs_cpu(j, i); - per_irq_sum += temp; - } + for_each_possible_cpu(i) + per_irq_sum += kstat_irqs_cpu(j, i); -#ifdef CONFIG_HAVE_SPARSE_IRQ - seq_printf(p, " %#x:%u", j, per_irq_sum); -#else seq_printf(p, " %u", per_irq_sum); -#endif } seq_printf(p, @@ -645,36 +634,14 @@ static const struct file_operations proc_stat_operations = { */ static void *int_seq_start(struct seq_file *f, loff_t *pos) { -#ifdef CONFIG_HAVE_SPARSE_IRQ - struct irq_desc *desc; - int irq; - int count = *pos; - - for_each_irq_desc(irq, desc) { - if (count-- == 0) - return desc; - } - - return NULL; -#else return (*pos <= nr_irqs) ? pos : NULL; -#endif } static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos) { -#ifdef CONFIG_HAVE_SPARSE_IRQ - struct irq_desc *desc; - - desc = ((struct irq_desc *)v)->next; - (*pos)++; - - return desc; -#else (*pos)++; return (*pos <= nr_irqs) ? pos : NULL; -#endif } static void int_seq_stop(struct seq_file *f, void *v) diff --git a/include/linux/irq.h b/include/linux/irq.h index 7d1adacaadb4..68e0f3f9df30 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -167,15 +167,8 @@ struct irq_2_iommu; */ struct irq_desc { unsigned int irq; -#ifdef CONFIG_HAVE_SPARSE_IRQ - struct irq_desc *next; - struct timer_rand_state *timer_rand_state; -#endif #ifdef CONFIG_HAVE_DYN_ARRAY unsigned int *kstat_irqs; -#endif -#if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ) - struct irq_2_iommu *irq_2_iommu; #endif irq_flow_handler_t handle_irq; struct irq_chip *chip; @@ -205,8 +198,6 @@ struct irq_desc { } ____cacheline_internodealigned_in_smp; -#ifndef CONFIG_HAVE_SPARSE_IRQ - #ifndef CONFIG_HAVE_DYN_ARRAY /* could be removed if we get rid of all irq_desc reference */ extern struct irq_desc irq_desc[NR_IRQS]; @@ -224,17 +215,6 @@ static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq) return irq_to_desc(irq); } -#else - -extern struct irq_desc *irq_to_desc(unsigned int irq); -extern struct irq_desc *irq_to_desc_alloc(unsigned int irq); - -extern struct irq_desc *sparse_irqs; -#define for_each_irq_desc(irqX, desc) \ - for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U) - -#endif - #ifdef CONFIG_HAVE_DYN_ARRAY #define kstat_irqs_this_cpu(DESC) \ ((DESC)->kstat_irqs[smp_processor_id()]) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index c19896f895f9..f837133cdfbe 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -111,15 +111,6 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) } } -#ifdef CONFIG_HAVE_SPARSE_IRQ -/* - * Protect the sparse_irqs_free freelist: - */ -static DEFINE_SPINLOCK(sparse_irq_lock); -static struct irq_desc *sparse_irqs_free; -struct irq_desc *sparse_irqs; -#endif - static void __init init_work(void *data) { struct dyn_array *da = data; @@ -130,121 +121,16 @@ static void __init init_work(void *data) for (i = 0; i < *da->nr; i++) { init_one_irq_desc(&desc[i]); -#ifndef CONFIG_HAVE_SPARSE_IRQ desc[i].irq = i; -#endif } /* init kstat_irqs, nr_cpu_ids is ready already */ init_kstat_irqs(desc, *da->nr, nr_cpu_ids); - -#ifdef CONFIG_HAVE_SPARSE_IRQ - for (i = 1; i < *da->nr; i++) - desc[i-1].next = &desc[i]; - - sparse_irqs_free = sparse_irqs; - sparse_irqs = NULL; -#endif -} - -#ifdef CONFIG_HAVE_SPARSE_IRQ -static int nr_irq_desc = 32; - -static int __init parse_nr_irq_desc(char *arg) -{ - if (arg) - nr_irq_desc = simple_strtoul(arg, NULL, 0); - return 0; -} - -early_param("nr_irq_desc", parse_nr_irq_desc); - -DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work); - -struct irq_desc *irq_to_desc(unsigned int irq) -{ - struct irq_desc *desc; - - desc = sparse_irqs; - while (desc) { - if (desc->irq == irq) - return desc; - - desc = desc->next; - } - return NULL; } -struct irq_desc *irq_to_desc_alloc(unsigned int irq) -{ - struct irq_desc *desc, *desc_pri; - unsigned long flags; - int count = 0; - int i; - - desc_pri = desc = sparse_irqs; - while (desc) { - if (desc->irq == irq) - return desc; - - desc_pri = desc; - desc = desc->next; - count++; - } - - spin_lock_irqsave(&sparse_irq_lock, flags); - /* - * we run out of pre-allocate ones, allocate more - */ - if (!sparse_irqs_free) { - unsigned long phys; - unsigned long total_bytes; - - printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); - - total_bytes = sizeof(struct irq_desc) * nr_irq_desc; - if (after_bootmem) - desc = kzalloc(total_bytes, GFP_ATOMIC); - else - desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - - if (!desc) - panic("please boot with nr_irq_desc= %d\n", count * 2); - - phys = __pa(desc); - printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - - for (i = 0; i < nr_irq_desc; i++) - init_one_irq_desc(&desc[i]); - - for (i = 1; i < nr_irq_desc; i++) - desc[i-1].next = &desc[i]; - - /* init kstat_irqs, nr_cpu_ids is ready already */ - init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids); - - sparse_irqs_free = desc; - } - - desc = sparse_irqs_free; - sparse_irqs_free = sparse_irqs_free->next; - desc->next = NULL; - if (desc_pri) - desc_pri->next = desc; - else - sparse_irqs = desc; - desc->irq = irq; - - spin_unlock_irqrestore(&sparse_irq_lock, flags); - - return desc; -} -#else struct irq_desc *irq_desc; DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); -#endif - #else struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { -- GitLab From ee32c9732244bde4b9b59eeac2814c23e2b71f8d Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 14:34:09 +0200 Subject: [PATCH 5224/6244] genirq: remove irq_to_desc_alloc Remove the leftover of sparseirqs. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/io_apic.c | 6 +----- arch/x86/kernel/irqinit_32.c | 2 +- arch/x86/kernel/irqinit_64.c | 2 +- include/linux/irq.h | 5 ----- kernel/irq/chip.c | 2 +- 5 files changed, 4 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 683610517d2a..e03bc0f87eef 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -1257,11 +1257,7 @@ static void ioapic_register_intr(int irq, unsigned long trigger) { struct irq_desc *desc; - /* first time to use this irq_desc */ - if (irq < 16) - desc = irq_to_desc(irq); - else - desc = irq_to_desc_alloc(irq); + desc = irq_to_desc(irq); if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || trigger == IOAPIC_LEVEL) diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 9092103a18eb..a8d35998d308 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -70,7 +70,7 @@ void __init init_ISA_irqs (void) */ for (i = 0; i < 16; i++) { /* first time call this irq_desc */ - struct irq_desc *desc = irq_to_desc_alloc(i); + struct irq_desc *desc = irq_to_desc(i); desc->status = IRQ_DISABLED; desc->action = NULL; diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index d17fbc26d96f..ff0235391285 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -144,7 +144,7 @@ void __init init_ISA_irqs(void) for (i = 0; i < 16; i++) { /* first time call this irq_desc */ - struct irq_desc *desc = irq_to_desc_alloc(i); + struct irq_desc *desc = irq_to_desc(i); desc->status = IRQ_DISABLED; desc->action = NULL; diff --git a/include/linux/irq.h b/include/linux/irq.h index 68e0f3f9df30..3f33c7790300 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -210,11 +210,6 @@ static inline struct irq_desc *irq_to_desc(unsigned int irq) return (irq < nr_irqs) ? irq_desc + irq : NULL; } -static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq) -{ - return irq_to_desc(irq); -} - #ifdef CONFIG_HAVE_DYN_ARRAY #define kstat_irqs_this_cpu(DESC) \ ((DESC)->kstat_irqs[smp_processor_id()]) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 570d1ea1db5d..e6f73dbfcc3d 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -28,7 +28,7 @@ void dynamic_irq_init(unsigned int irq) unsigned long flags; /* first time to use this irq_desc */ - desc = irq_to_desc_alloc(irq); + desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); return; -- GitLab From d6c88a507ef0b6afdb013cba4e7804ba7324d99a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 15 Oct 2008 15:27:23 +0200 Subject: [PATCH 5225/6244] genirq: revert dynarray Revert the dynarray changes. They need more thought and polishing. Signed-off-by: Thomas Gleixner --- arch/Kconfig | 4 - arch/x86/Kconfig | 1 - arch/x86/kernel/io_apic.c | 199 +++++++++++------------------- arch/x86/kernel/setup_percpu.c | 8 +- arch/x86/kernel/visws_quirks.c | 2 +- arch/x86/kernel/vmlinux_32.lds.S | 1 - arch/x86/kernel/vmlinux_64.lds.S | 2 - arch/x86/xen/spinlock.c | 2 +- drivers/char/random.c | 5 - drivers/pci/intr_remapping.c | 11 +- include/asm-generic/vmlinux.lds.h | 13 -- include/linux/init.h | 43 ------- include/linux/irq.h | 15 --- include/linux/kernel_stat.h | 16 +-- init/Makefile | 2 +- init/dyn_array.c | 120 ------------------ init/main.c | 11 +- kernel/irq/chip.c | 30 +---- kernel/irq/handle.c | 114 ++--------------- 19 files changed, 103 insertions(+), 496 deletions(-) delete mode 100644 init/dyn_array.c diff --git a/arch/Kconfig b/arch/Kconfig index c8a7c2eb6490..071004d3a1b1 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -102,7 +102,3 @@ config HAVE_CLK help The calls support software clock gating and thus are a key power management tool on many systems. - -config HAVE_DYN_ARRAY - def_bool n - diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8636ddf2f4a4..8da6123a60d0 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -33,7 +33,6 @@ config X86 select HAVE_ARCH_TRACEHOOK select HAVE_GENERIC_DMA_COHERENT if X86_32 select HAVE_EFFICIENT_UNALIGNED_ACCESS - select HAVE_DYN_ARRAY config ARCH_DEFCONFIG string diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index e03bc0f87eef..6f80dc2f137e 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -107,7 +107,6 @@ static int __init parse_noapic(char *str) } early_param("noapic", parse_noapic); -struct irq_cfg; struct irq_pin_list; struct irq_cfg { unsigned int irq; @@ -120,7 +119,7 @@ struct irq_cfg { }; /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */ -static struct irq_cfg irq_cfg_legacy[] __initdata = { +static struct irq_cfg irq_cfgx[NR_IRQS] = { [0] = { .irq = 0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR, }, [1] = { .irq = 1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR, }, [2] = { .irq = 2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR, }, @@ -139,48 +138,26 @@ static struct irq_cfg irq_cfg_legacy[] __initdata = { [15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, }, }; -static struct irq_cfg irq_cfg_init = { .irq = -1U, }; - -static void init_one_irq_cfg(struct irq_cfg *cfg) -{ - memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg)); -} - -static struct irq_cfg *irq_cfgx; - -static void __init init_work(void *data) -{ - struct dyn_array *da = data; - struct irq_cfg *cfg; - int legacy_count; - int i; - - cfg = *da->name; - - memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy)); - - legacy_count = ARRAY_SIZE(irq_cfg_legacy); - for (i = legacy_count; i < *da->nr; i++) - init_one_irq_cfg(&cfg[i]); -} - #define for_each_irq_cfg(irq, cfg) \ - for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq]) + for (irq = 0, cfg = irq_cfgx; irq < nr_irqs; irq++, cfg++) -DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work); - -struct irq_cfg *irq_cfg(unsigned int irq) +static struct irq_cfg *irq_cfg(unsigned int irq) { - if (irq < nr_irqs) - return &irq_cfgx[irq]; - - return NULL; + return irq < nr_irqs ? irq_cfgx + irq : NULL; } -struct irq_cfg *irq_cfg_alloc(unsigned int irq) + +static struct irq_cfg *irq_cfg_alloc(unsigned int irq) { return irq_cfg(irq); } +/* + * Rough estimation of how many shared IRQs there are, can be changed + * anytime. + */ +#define MAX_PLUS_SHARED_IRQS NR_IRQS +#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS) + /* * This is performance-critical, we want to do it O(1) * @@ -193,59 +170,29 @@ struct irq_pin_list { struct irq_pin_list *next; }; -static struct irq_pin_list *irq_2_pin_head; -/* fill one page ? */ -static int nr_irq_2_pin = 0x100; +static struct irq_pin_list irq_2_pin_head[PIN_MAP_SIZE]; static struct irq_pin_list *irq_2_pin_ptr; -static void __init irq_2_pin_init_work(void *data) + +static void __init irq_2_pin_init(void) { - struct dyn_array *da = data; - struct irq_pin_list *pin; + struct irq_pin_list *pin = irq_2_pin_head; int i; - pin = *da->name; - - for (i = 1; i < *da->nr; i++) + for (i = 1; i < PIN_MAP_SIZE; i++) pin[i-1].next = &pin[i]; irq_2_pin_ptr = &pin[0]; } -DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work); static struct irq_pin_list *get_one_free_irq_2_pin(void) { - struct irq_pin_list *pin; - int i; - - pin = irq_2_pin_ptr; - - if (pin) { - irq_2_pin_ptr = pin->next; - pin->next = NULL; - return pin; - } - - /* - * we run out of pre-allocate ones, allocate more - */ - printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin); - - if (after_bootmem) - pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin, - GFP_ATOMIC); - else - pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) * - nr_irq_2_pin, PAGE_SIZE, 0); + struct irq_pin_list *pin = irq_2_pin_ptr; if (!pin) panic("can not get more irq_2_pin\n"); - for (i = 1; i < nr_irq_2_pin; i++) - pin[i-1].next = &pin[i]; - irq_2_pin_ptr = pin->next; pin->next = NULL; - return pin; } @@ -284,8 +231,9 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value) { struct io_apic __iomem *io_apic = io_apic_base(apic); - if (sis_apic_bug) - writel(reg, &io_apic->index); + + if (sis_apic_bug) + writel(reg, &io_apic->index); writel(value, &io_apic->data); } @@ -1044,11 +992,11 @@ static int pin_2_irq(int idx, int apic, int pin) while (i < apic) irq += nr_ioapic_registers[i++]; irq += pin; - /* + /* * For MPS mode, so far only needed by ES7000 platform */ - if (ioapic_renumber_irq) - irq = ioapic_renumber_irq(apic, irq); + if (ioapic_renumber_irq) + irq = ioapic_renumber_irq(apic, irq); } #ifdef CONFIG_X86_32 @@ -1232,19 +1180,19 @@ static struct irq_chip ir_ioapic_chip; #ifdef CONFIG_X86_32 static inline int IO_APIC_irq_trigger(int irq) { - int apic, idx, pin; + int apic, idx, pin; - for (apic = 0; apic < nr_ioapics; apic++) { - for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { - idx = find_irq_entry(apic, pin, mp_INT); - if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) - return irq_trigger(idx); - } - } - /* + for (apic = 0; apic < nr_ioapics; apic++) { + for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) { + idx = find_irq_entry(apic, pin, mp_INT); + if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin))) + return irq_trigger(idx); + } + } + /* * nonexistent IRQs are edge default */ - return 0; + return 0; } #else static inline int IO_APIC_irq_trigger(int irq) @@ -1509,8 +1457,8 @@ __apicdebuginit(void) print_IO_APIC(void) reg_01.raw = io_apic_read(apic, 1); if (reg_01.bits.version >= 0x10) reg_02.raw = io_apic_read(apic, 2); - if (reg_01.bits.version >= 0x20) - reg_03.raw = io_apic_read(apic, 3); + if (reg_01.bits.version >= 0x20) + reg_03.raw = io_apic_read(apic, 3); spin_unlock_irqrestore(&ioapic_lock, flags); printk("\n"); @@ -2089,9 +2037,9 @@ static int ioapic_retrigger_irq(unsigned int irq) #else static int ioapic_retrigger_irq(unsigned int irq) { - send_IPI_self(irq_cfg(irq)->vector); + send_IPI_self(irq_cfg(irq)->vector); - return 1; + return 1; } #endif @@ -2189,7 +2137,7 @@ static int migrate_irq_remapped_level(int irq) if (io_apic_level_ack_pending(irq)) { /* - * Interrupt in progress. Migrating irq now will change the + * Interrupt in progress. Migrating irq now will change the * vector information in the IO-APIC RTE and that will confuse * the EOI broadcast performed by cpu. * So, delay the irq migration to the next instance. @@ -2426,28 +2374,28 @@ static void ack_apic_level(unsigned int irq) } static struct irq_chip ioapic_chip __read_mostly = { - .name = "IO-APIC", - .startup = startup_ioapic_irq, - .mask = mask_IO_APIC_irq, - .unmask = unmask_IO_APIC_irq, - .ack = ack_apic_edge, - .eoi = ack_apic_level, + .name = "IO-APIC", + .startup = startup_ioapic_irq, + .mask = mask_IO_APIC_irq, + .unmask = unmask_IO_APIC_irq, + .ack = ack_apic_edge, + .eoi = ack_apic_level, #ifdef CONFIG_SMP - .set_affinity = set_ioapic_affinity_irq, + .set_affinity = set_ioapic_affinity_irq, #endif .retrigger = ioapic_retrigger_irq, }; #ifdef CONFIG_INTR_REMAP static struct irq_chip ir_ioapic_chip __read_mostly = { - .name = "IR-IO-APIC", - .startup = startup_ioapic_irq, - .mask = mask_IO_APIC_irq, - .unmask = unmask_IO_APIC_irq, - .ack = ack_x2apic_edge, - .eoi = ack_x2apic_level, + .name = "IR-IO-APIC", + .startup = startup_ioapic_irq, + .mask = mask_IO_APIC_irq, + .unmask = unmask_IO_APIC_irq, + .ack = ack_x2apic_edge, + .eoi = ack_x2apic_level, #ifdef CONFIG_SMP - .set_affinity = set_ir_ioapic_affinity_irq, + .set_affinity = set_ir_ioapic_affinity_irq, #endif .retrigger = ioapic_retrigger_irq, }; @@ -2636,8 +2584,8 @@ static inline void __init check_timer(void) local_irq_save(flags); - ver = apic_read(APIC_LVR); - ver = GET_APIC_VERSION(ver); + ver = apic_read(APIC_LVR); + ver = GET_APIC_VERSION(ver); /* * get/set the timer IRQ vector: @@ -2822,12 +2770,12 @@ void __init setup_IO_APIC(void) io_apic_irqs = ~PIC_IRQS; apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n"); - /* + /* * Set up IO-APIC IRQ routing. */ #ifdef CONFIG_X86_32 - if (!acpi_ioapic) - setup_ioapic_ids_from_mpc(); + if (!acpi_ioapic) + setup_ioapic_ids_from_mpc(); #endif sync_Arb_IDs(); setup_IO_APIC_irqs(); @@ -2842,9 +2790,9 @@ void __init setup_IO_APIC(void) static int __init io_apic_bug_finalize(void) { - if (sis_apic_bug == -1) - sis_apic_bug = 0; - return 0; + if (sis_apic_bug == -1) + sis_apic_bug = 0; + return 0; } late_initcall(io_apic_bug_finalize); @@ -3199,7 +3147,7 @@ static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec) if (index < 0) { printk(KERN_ERR "Unable to allocate %d IRTE for PCI %s\n", nvec, - pci_name(dev)); + pci_name(dev)); return -ENOSPC; } return index; @@ -3885,23 +3833,24 @@ static struct resource * __init ioapic_setup_resources(void) void __init ioapic_init_mappings(void) { unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0; - int i; struct resource *ioapic_res; + int i; + irq_2_pin_init(); ioapic_res = ioapic_setup_resources(); for (i = 0; i < nr_ioapics; i++) { if (smp_found_config) { ioapic_phys = mp_ioapics[i].mp_apicaddr; #ifdef CONFIG_X86_32 - if (!ioapic_phys) { - printk(KERN_ERR - "WARNING: bogus zero IO-APIC " - "address found in MPTABLE, " - "disabling IO/APIC support!\n"); - smp_found_config = 0; - skip_ioapic_setup = 1; - goto fake_ioapic_page; - } + if (!ioapic_phys) { + printk(KERN_ERR + "WARNING: bogus zero IO-APIC " + "address found in MPTABLE, " + "disabling IO/APIC support!\n"); + smp_found_config = 0; + skip_ioapic_setup = 1; + goto fake_ioapic_page; + } #endif } else { #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 2b7dab699e83..410c88f0bfeb 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -140,7 +140,7 @@ static void __init setup_cpu_pda_map(void) */ void __init setup_per_cpu_areas(void) { - ssize_t size, old_size, da_size; + ssize_t size, old_size; char *ptr; int cpu; unsigned long align = 1; @@ -150,9 +150,8 @@ void __init setup_per_cpu_areas(void) /* Copy section for each CPU (we discard the original) */ old_size = PERCPU_ENOUGH_ROOM; - da_size = per_cpu_dyn_array_size(&align); align = max_t(unsigned long, PAGE_SIZE, align); - size = roundup(old_size + da_size, align); + size = roundup(old_size, align); printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n", size); @@ -182,9 +181,6 @@ void __init setup_per_cpu_areas(void) #endif per_cpu_offset(cpu) = ptr - __per_cpu_start; memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); - - per_cpu_alloc_dyn_array(cpu, ptr + old_size); - } printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n", diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c index 817aa55a1209..0c9667f0752a 100644 --- a/arch/x86/kernel/visws_quirks.c +++ b/arch/x86/kernel/visws_quirks.c @@ -633,7 +633,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id) /* * handle this 'virtual interrupt' as a Cobalt one now. */ - kstat_irqs_this_cpu(desc)++; + kstat_incr_irqs_this_cpu(realirq, desc); if (likely(desc->action != NULL)) handle_IRQ_event(realirq, desc->action); diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S index c36007ab3940..a9b8560adbc2 100644 --- a/arch/x86/kernel/vmlinux_32.lds.S +++ b/arch/x86/kernel/vmlinux_32.lds.S @@ -145,7 +145,6 @@ SECTIONS *(.x86_cpu_dev.init) __x86_cpu_dev_end = .; } - DYN_ARRAY_INIT(8) SECURITY_INIT . = ALIGN(4); .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 30973dbac8c2..3245ad72594a 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -174,8 +174,6 @@ SECTIONS } __x86_cpu_dev_end = .; - DYN_ARRAY_INIT(8) - SECURITY_INIT . = ALIGN(8); diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index bb6bc721b13d..5601506f2dd9 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -241,7 +241,7 @@ static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enabl ADD_STATS(taken_slow_spurious, !xen_test_irq_pending(irq)); } while (!xen_test_irq_pending(irq)); /* check for spurious wakeups */ - kstat_irqs_this_cpu(irq_to_desc(irq))++; + kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq)); out: raw_local_irq_restore(flags); diff --git a/drivers/char/random.c b/drivers/char/random.c index 9ce80213007b..1137d2976043 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -558,12 +558,7 @@ struct timer_rand_state { unsigned dont_count_entropy:1; }; -#ifdef CONFIG_HAVE_DYN_ARRAY -static struct timer_rand_state **irq_timer_state; -DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL); -#else static struct timer_rand_state *irq_timer_state[NR_IRQS]; -#endif static struct timer_rand_state *get_timer_rand_state(unsigned int irq) { diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 0f43b265eee6..950769e87475 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -19,20 +19,13 @@ struct irq_2_iommu { u8 irte_mask; }; -#ifdef CONFIG_HAVE_DYN_ARRAY -static struct irq_2_iommu *irq_2_iommuX; -DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL); -#else static struct irq_2_iommu irq_2_iommuX[NR_IRQS]; -#endif static struct irq_2_iommu *irq_2_iommu(unsigned int irq) { - if (irq < nr_irqs) - return &irq_2_iommuX[irq]; - - return NULL; + return (irq < nr_irqs) ?: irq_2_iommuX + irq : NULL; } + static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) { return irq_2_iommu(irq); diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index c68eda9d9a90..7440a0dceddb 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -210,19 +210,6 @@ * All archs are supposed to use RO_DATA() */ #define RODATA RO_DATA(4096) -#define DYN_ARRAY_INIT(align) \ - . = ALIGN((align)); \ - .dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__dyn_array_start) = .; \ - *(.dyn_array.init) \ - VMLINUX_SYMBOL(__dyn_array_end) = .; \ - } \ - . = ALIGN((align)); \ - .per_cpu_dyn_array.init : AT(ADDR(.per_cpu_dyn_array.init) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__per_cpu_dyn_array_start) = .; \ - *(.per_cpu_dyn_array.init) \ - VMLINUX_SYMBOL(__per_cpu_dyn_array_end) = .; \ - } #define SECURITY_INIT \ .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__security_initcall_start) = .; \ diff --git a/include/linux/init.h b/include/linux/init.h index 59fbb4aaba6a..70ad53e1eab8 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -247,49 +247,6 @@ struct obs_kernel_param { /* Relies on boot_command_line being set */ void __init parse_early_param(void); -struct dyn_array { - void **name; - unsigned long size; - unsigned int *nr; - unsigned long align; - void (*init_work)(void *); -}; -extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[]; -extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[]; - -#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \ - static struct dyn_array __dyn_array_##nameX __initdata = \ - { .name = (void **)&(nameX),\ - .size = sizeX,\ - .nr = &(nrX),\ - .align = alignX,\ - .init_work = init_workX,\ - }; \ - static struct dyn_array *__dyn_array_ptr_##nameX __used \ - __attribute__((__section__(".dyn_array.init"))) = \ - &__dyn_array_##nameX - -#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ - DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX) - -#define DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \ - static struct dyn_array __per_cpu_dyn_array_##nameX __initdata = \ - { .name = (void **)&(addrX),\ - .size = sizeX,\ - .nr = &(nrX),\ - .align = alignX,\ - .init_work = init_workX,\ - }; \ - static struct dyn_array *__per_cpu_dyn_array_ptr_##nameX __used \ - __attribute__((__section__(".per_cpu_dyn_array.init"))) = \ - &__per_cpu_dyn_array_##nameX - -#define DEFINE_PER_CPU_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \ - DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX) - -extern void pre_alloc_dyn_array(void); -extern unsigned long per_cpu_dyn_array_size(unsigned long *align); -extern void per_cpu_alloc_dyn_array(int cpu, char *ptr); #endif /* __ASSEMBLY__ */ /** diff --git a/include/linux/irq.h b/include/linux/irq.h index 3f33c7790300..38bf89f2ade0 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -139,8 +139,6 @@ struct irq_chip { const char *typename; }; -struct timer_rand_state; -struct irq_2_iommu; /** * struct irq_desc - interrupt descriptor * @@ -167,9 +165,6 @@ struct irq_2_iommu; */ struct irq_desc { unsigned int irq; -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned int *kstat_irqs; -#endif irq_flow_handler_t handle_irq; struct irq_chip *chip; struct msi_desc *msi_desc; @@ -198,23 +193,13 @@ struct irq_desc { } ____cacheline_internodealigned_in_smp; -#ifndef CONFIG_HAVE_DYN_ARRAY -/* could be removed if we get rid of all irq_desc reference */ extern struct irq_desc irq_desc[NR_IRQS]; -#else -extern struct irq_desc *irq_desc; -#endif static inline struct irq_desc *irq_to_desc(unsigned int irq) { return (irq < nr_irqs) ? irq_desc + irq : NULL; } -#ifdef CONFIG_HAVE_DYN_ARRAY -#define kstat_irqs_this_cpu(DESC) \ - ((DESC)->kstat_irqs[smp_processor_id()]) -#endif - /* * Migration helpers for obsolete names, they will go away: */ diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 21249d8c1293..a9d0d360b776 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -28,9 +28,7 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; -#ifndef CONFIG_HAVE_DYN_ARRAY unsigned int irqs[NR_IRQS]; -#endif }; DECLARE_PER_CPU(struct kernel_stat, kstat); @@ -41,20 +39,18 @@ DECLARE_PER_CPU(struct kernel_stat, kstat); extern unsigned long long nr_context_switches(void); -#ifndef CONFIG_HAVE_DYN_ARRAY -#define kstat_irqs_this_cpu(irq) \ - (kstat_this_cpu.irqs[irq]) -#endif +struct irq_desc; +static inline void kstat_incr_irqs_this_cpu(unsigned int irq, + struct irq_desc *desc) +{ + kstat_this_cpu.irqs[irq]++; +} -#ifndef CONFIG_HAVE_DYN_ARRAY static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) { return kstat_cpu(cpu).irqs[irq]; } -#else -extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu); -#endif /* * Number of interrupts per specific IRQ source, since bootup diff --git a/init/Makefile b/init/Makefile index dc5eeca6eb6d..4a243df426f7 100644 --- a/init/Makefile +++ b/init/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := main.o dyn_array.o version.o mounts.o +obj-y := main.o version.o mounts.o ifneq ($(CONFIG_BLK_DEV_INITRD),y) obj-y += noinitramfs.o else diff --git a/init/dyn_array.c b/init/dyn_array.c deleted file mode 100644 index c8d5e2a18588..000000000000 --- a/init/dyn_array.c +++ /dev/null @@ -1,120 +0,0 @@ -#include -#include -#include -#include -#include -#include - -void __init pre_alloc_dyn_array(void) -{ -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long total_size = 0, size, phys; - unsigned long max_align = 1; - struct dyn_array **daa; - char *ptr; - - /* get the total size at first */ - for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n", - da->name, da->size, *da->nr, da->align); - size = da->size * (*da->nr); - total_size += roundup(size, da->align); - if (da->align > max_align) - max_align = da->align; - } - if (total_size) - printk(KERN_DEBUG "dyn_array total_size: %#lx\n", - total_size); - else - return; - - /* allocate them all together */ - max_align = max_t(unsigned long, max_align, PAGE_SIZE); - ptr = __alloc_bootmem(total_size, max_align, 0); - phys = virt_to_phys(ptr); - - for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - phys = roundup(phys, da->align); - printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n", - da->name, phys, phys + size); - *da->name = phys_to_virt(phys); - - phys += size; - - if (da->init_work) - da->init_work(da); - } -#else -#ifdef CONFIG_GENERIC_HARDIRQS - unsigned int i; - - for (i = 0; i < NR_IRQS; i++) - irq_desc[i].irq = i; -#endif -#endif -} - -unsigned long __init per_cpu_dyn_array_size(unsigned long *align) -{ - unsigned long total_size = 0; -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long size; - struct dyn_array **daa; - unsigned max_align = 1; - - for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n", - da->name, da->size, *da->nr, da->align); - size = da->size * (*da->nr); - total_size += roundup(size, da->align); - if (da->align > max_align) - max_align = da->align; - } - if (total_size) { - printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n", - total_size); - *align = max_align; - } -#endif - return total_size; -} - -#ifdef CONFIG_SMP -void __init per_cpu_alloc_dyn_array(int cpu, char *ptr) -{ -#ifdef CONFIG_HAVE_DYN_ARRAY - unsigned long size, phys; - struct dyn_array **daa; - unsigned long addr; - void **array; - - phys = virt_to_phys(ptr); - for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) { - struct dyn_array *da = *daa; - - size = da->size * (*da->nr); - phys = roundup(phys, da->align); - printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n", - da->name, phys, phys + size); - - addr = (unsigned long)da->name; - addr += per_cpu_offset(cpu); - array = (void **)addr; - *array = phys_to_virt(phys); - *da->name = *array; /* so init_work could use it directly */ - - phys += size; - - if (da->init_work) - da->init_work(da); - } -#endif -} -#endif diff --git a/init/main.c b/init/main.c index e81cf427d9c7..27f6bf6108e9 100644 --- a/init/main.c +++ b/init/main.c @@ -391,23 +391,17 @@ EXPORT_SYMBOL(__per_cpu_offset); static void __init setup_per_cpu_areas(void) { - unsigned long size, i, old_size; + unsigned long size, i; char *ptr; unsigned long nr_possible_cpus = num_possible_cpus(); - unsigned long align = 1; - unsigned da_size; /* Copy section for each CPU (we discard the original) */ - old_size = PERCPU_ENOUGH_ROOM; - da_size = per_cpu_dyn_array_size(&align); - align = max_t(unsigned long, PAGE_SIZE, align); - size = ALIGN(old_size + da_size, align); + size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE); ptr = alloc_bootmem_pages(size * nr_possible_cpus); for_each_possible_cpu(i) { __per_cpu_offset[i] = ptr - __per_cpu_start; memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start); - per_cpu_alloc_dyn_array(i, ptr + old_size); ptr += size; } } @@ -573,7 +567,6 @@ asmlinkage void __init start_kernel(void) printk(KERN_NOTICE); printk(linux_banner); setup_arch(&command_line); - pre_alloc_dyn_array(); mm_init_owner(&init_mm, &init_task); setup_command_line(command_line); unwind_setup(); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index e6f73dbfcc3d..d96d6f687c48 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -326,11 +326,7 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); action = desc->action; if (unlikely(!action || (desc->status & IRQ_DISABLED))) @@ -371,11 +367,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc) if (unlikely(desc->status & IRQ_INPROGRESS)) goto out_unlock; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); /* * If its disabled or no action available @@ -422,11 +414,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) goto out; desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); /* * If its disabled or no action available @@ -490,11 +478,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) mask_ack_irq(desc, irq); goto out_unlock; } -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); /* Start handling the irq */ desc->chip->ack(irq); @@ -549,11 +533,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) { irqreturn_t action_ret; -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); if (desc->chip->ack) desc->chip->ack(irq); diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index f837133cdfbe..9fe86b3a60a5 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -18,11 +18,6 @@ #include "internals.h" -/* - * lockdep: we want to handle all irq_desc locks as a single lock-class: - */ -static struct lock_class_key irq_desc_lock_class; - /** * handle_bad_irq - handle spurious and unhandled irqs * @irq: the interrupt number @@ -30,15 +25,10 @@ static struct lock_class_key irq_desc_lock_class; * * Handles spurious and unhandled IRQ's. It also prints a debugmessage. */ -void -handle_bad_irq(unsigned int irq, struct irq_desc *desc) +void handle_bad_irq(unsigned int irq, struct irq_desc *desc) { print_irq_desc(irq, desc); -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); ack_bad_irq(irq); } @@ -59,80 +49,6 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc) int nr_irqs = NR_IRQS; EXPORT_SYMBOL_GPL(nr_irqs); -#ifdef CONFIG_HAVE_DYN_ARRAY -static struct irq_desc irq_desc_init = { - .irq = -1U, - .status = IRQ_DISABLED, - .chip = &no_irq_chip, - .handle_irq = handle_bad_irq, - .depth = 1, - .lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock), -#ifdef CONFIG_SMP - .affinity = CPU_MASK_ALL -#endif -}; - - -static void init_one_irq_desc(struct irq_desc *desc) -{ - memcpy(desc, &irq_desc_init, sizeof(struct irq_desc)); - lockdep_set_class(&desc->lock, &irq_desc_lock_class); -} - -extern int after_bootmem; -extern void *__alloc_bootmem_nopanic(unsigned long size, - unsigned long align, - unsigned long goal); - -static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr) -{ - unsigned long bytes, total_bytes; - char *ptr; - int i; - unsigned long phys; - - /* Compute how many bytes we need per irq and allocate them */ - bytes = nr * sizeof(unsigned int); - total_bytes = bytes * nr_desc; - if (after_bootmem) - ptr = kzalloc(total_bytes, GFP_ATOMIC); - else - ptr = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0); - - if (!ptr) - panic(" can not allocate kstat_irqs\n"); - - phys = __pa(ptr); - printk(KERN_DEBUG "kstat_irqs ==> [%#lx - %#lx]\n", phys, phys + total_bytes); - - for (i = 0; i < nr_desc; i++) { - desc[i].kstat_irqs = (unsigned int *)ptr; - ptr += bytes; - } -} - -static void __init init_work(void *data) -{ - struct dyn_array *da = data; - int i; - struct irq_desc *desc; - - desc = *da->name; - - for (i = 0; i < *da->nr; i++) { - init_one_irq_desc(&desc[i]); - desc[i].irq = i; - } - - /* init kstat_irqs, nr_cpu_ids is ready already */ - init_kstat_irqs(desc, *da->nr, nr_cpu_ids); -} - -struct irq_desc *irq_desc; -DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work); - -#else - struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { .status = IRQ_DISABLED, @@ -146,8 +62,6 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { } }; -#endif - /* * What should we do if we get a hw irq event on an illegal vector? * Each architecture has to answer this themself. @@ -258,11 +172,8 @@ unsigned int __do_IRQ(unsigned int irq) struct irqaction *action; unsigned int status; -#ifdef CONFIG_HAVE_DYN_ARRAY - kstat_irqs_this_cpu(desc)++; -#else - kstat_irqs_this_cpu(irq)++; -#endif + kstat_incr_irqs_this_cpu(irq, desc); + if (CHECK_IRQ_PER_CPU(desc->status)) { irqreturn_t action_ret; @@ -351,23 +262,16 @@ out: #ifdef CONFIG_TRACE_IRQFLAGS +/* + * lockdep: we want to handle all irq_desc locks as a single lock-class: + */ +static struct lock_class_key irq_desc_lock_class; + void early_init_irq_lock_class(void) { -#ifndef CONFIG_HAVE_DYN_ARRAY int i; for (i = 0; i < nr_irqs; i++) lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class); -#endif } #endif - -#ifdef CONFIG_HAVE_DYN_ARRAY -unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) -{ - struct irq_desc *desc = irq_to_desc(irq); - return desc->kstat_irqs[cpu]; -} -#endif -EXPORT_SYMBOL(kstat_irqs_cpu); - -- GitLab From a1aca5de08a0cb840a90fb3f729a5940f8d21185 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 15 Oct 2008 19:29:15 +0200 Subject: [PATCH 5226/6244] genirq: remove artifacts from sparseirq removal Signed-off-by: Ingo Molnar --- arch/Kconfig | 1 + arch/x86/kernel/acpi/boot.c | 1 - arch/x86/kernel/irqinit_32.c | 1 - arch/x86/kernel/vmlinux_64.lds.S | 1 - arch/x86/mm/init_32.c | 3 --- include/linux/init.h | 1 - include/linux/kernel_stat.h | 2 +- 7 files changed, 2 insertions(+), 8 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 071004d3a1b1..0267babe5eb9 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -102,3 +102,4 @@ config HAVE_CLK help The calls support software clock gating and thus are a key power management tool on many systems. + diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 5fef4fece4a5..0d1c26a583c5 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1254,7 +1254,6 @@ static int __init acpi_parse_madt_ioapic_entries(void) return count; } - count = acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, nr_irqs); diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index a8d35998d308..845aa9803e80 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -184,4 +184,3 @@ void __init native_init_IRQ(void) irq_ctx_init(smp_processor_id()); } - diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index 3245ad72594a..46e05447405b 100644 --- a/arch/x86/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S @@ -173,7 +173,6 @@ SECTIONS *(.x86_cpu_dev.init) } __x86_cpu_dev_end = .; - SECURITY_INIT . = ALIGN(8); diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 91343c2694b4..8396868e82c5 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -66,7 +66,6 @@ static unsigned long __meminitdata table_end; static unsigned long __meminitdata table_top; static int __initdata after_init_bootmem; -int after_bootmem; static __init void *alloc_low_page(unsigned long *phys) { @@ -989,8 +988,6 @@ void __init mem_init(void) set_highmem_pages_init(); - after_bootmem = 1; - codesize = (unsigned long) &_etext - (unsigned long) &_text; datasize = (unsigned long) &_edata - (unsigned long) &_etext; initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; diff --git a/include/linux/init.h b/include/linux/init.h index 70ad53e1eab8..93538b696e3d 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -246,7 +246,6 @@ struct obs_kernel_param { /* Relies on boot_command_line being set */ void __init parse_early_param(void); - #endif /* __ASSEMBLY__ */ /** diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index a9d0d360b776..89b6ecd41473 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -28,7 +28,7 @@ struct cpu_usage_stat { struct kernel_stat { struct cpu_usage_stat cpustat; - unsigned int irqs[NR_IRQS]; + unsigned int irqs[NR_IRQS]; }; DECLARE_PER_CPU(struct kernel_stat, kstat); -- GitLab From d3c60047bdb03199b93497ac40bd531315d43a86 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 09:55:00 +0200 Subject: [PATCH 5227/6244] genirq: cleanup the sparseirq modifications Signed-off-by: Thomas Gleixner --- kernel/irq/chip.c | 43 +++++++++++++------------------------------ kernel/irq/handle.c | 3 +-- kernel/irq/manage.c | 38 +++++++++++++++++++++++--------------- kernel/irq/proc.c | 1 + kernel/irq/spurious.c | 18 ++++++++++-------- 5 files changed, 48 insertions(+), 55 deletions(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index d96d6f687c48..4895fde4eb93 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -24,11 +24,9 @@ */ void dynamic_irq_init(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - /* first time to use this irq_desc */ - desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq); return; @@ -58,10 +56,9 @@ void dynamic_irq_init(unsigned int irq) */ void dynamic_irq_cleanup(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq); return; @@ -90,10 +87,9 @@ void dynamic_irq_cleanup(unsigned int irq) */ int set_irq_chip(unsigned int irq, struct irq_chip *chip) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq); return -EINVAL; @@ -118,11 +114,10 @@ EXPORT_SYMBOL(set_irq_chip); */ int set_irq_type(unsigned int irq, unsigned int type) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; int ret = -ENXIO; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq); return -ENODEV; @@ -147,10 +142,9 @@ EXPORT_SYMBOL(set_irq_type); */ int set_irq_data(unsigned int irq, void *data) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install controller data for IRQ%d\n", irq); @@ -173,10 +167,9 @@ EXPORT_SYMBOL(set_irq_data); */ int set_irq_msi(unsigned int irq, struct msi_desc *entry) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install msi data for IRQ%d\n", irq); @@ -200,10 +193,9 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry) */ int set_irq_chip_data(unsigned int irq, void *data) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install chip data for IRQ%d\n", irq); @@ -228,9 +220,8 @@ EXPORT_SYMBOL(set_irq_chip_data); */ static void default_enable(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); - desc = irq_to_desc(irq); desc->chip->unmask(irq); desc->status &= ~IRQ_MASKED; } @@ -247,11 +238,9 @@ static void default_disable(unsigned int irq) */ static unsigned int default_startup(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); - desc = irq_to_desc(irq); desc->chip->enable(irq); - return 0; } @@ -260,9 +249,8 @@ static unsigned int default_startup(unsigned int irq) */ static void default_shutdown(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); - desc = irq_to_desc(irq); desc->chip->mask(irq); desc->status |= IRQ_MASKED; } @@ -550,10 +538,9 @@ void __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained, const char *name) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to install type control for IRQ%d\n", irq); @@ -614,13 +601,11 @@ set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip, void __init set_irq_noprobe(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq); - return; } @@ -631,13 +616,11 @@ void __init set_irq_noprobe(unsigned int irq) void __init set_irq_probe(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) { printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq); - return; } diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 9fe86b3a60a5..a69368ff607f 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -68,9 +68,8 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { */ static void ack_bad(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); - desc = irq_to_desc(irq); print_irq_desc(irq, desc); ack_bad_irq(irq); } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ad2ce72c83c4..c498a1b8c621 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -140,10 +140,9 @@ int irq_select_affinity(unsigned int irq) */ void disable_irq_nosync(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) return; @@ -170,9 +169,8 @@ EXPORT_SYMBOL(disable_irq_nosync); */ void disable_irq(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); - desc = irq_to_desc(irq); if (!desc) return; @@ -213,10 +211,9 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq) */ void enable_irq(unsigned int irq) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; - desc = irq_to_desc(irq); if (!desc) return; @@ -291,10 +288,9 @@ EXPORT_SYMBOL(set_irq_wake); */ int can_request_irq(unsigned int irq, unsigned long irqflags) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); struct irqaction *action; - desc = irq_to_desc(irq); if (!desc) return 0; @@ -355,16 +351,15 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, * Internal function to register an irqaction - typically used to * allocate special interrupts that are part of the architecture. */ -int setup_irq(unsigned int irq, struct irqaction *new) +static int +__setup_irq(unsigned int irq, struct irq_desc * desc, struct irqaction *new) { - struct irq_desc *desc; struct irqaction *old, **p; const char *old_name = NULL; unsigned long flags; int shared = 0; int ret; - desc = irq_to_desc(irq); if (!desc) return -EINVAL; @@ -503,6 +498,20 @@ mismatch: return -EBUSY; } +/** + * setup_irq - setup an interrupt + * @irq: Interrupt line to setup + * @act: irqaction for the interrupt + * + * Used to statically setup interrupts in the early boot process. + */ +int setup_irq(unsigned int irq, struct irqaction *act) +{ + struct irq_desc *desc = irq_to_desc(irq); + + return __setup_irq(irq, desc, act); +} + /** * free_irq - free an interrupt * @irq: Interrupt line to free @@ -519,13 +528,12 @@ mismatch: */ void free_irq(unsigned int irq, void *dev_id) { - struct irq_desc *desc; + struct irq_desc *desc = irq_to_desc(irq); struct irqaction **p; unsigned long flags; WARN_ON(in_interrupt()); - desc = irq_to_desc(irq); if (!desc) return; @@ -624,8 +632,8 @@ int request_irq(unsigned int irq, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id) { struct irqaction *action; - int retval; struct irq_desc *desc; + int retval; #ifdef CONFIG_LOCKDEP /* @@ -662,7 +670,7 @@ int request_irq(unsigned int irq, irq_handler_t handler, action->next = NULL; action->dev_id = dev_id; - retval = setup_irq(irq, action); + retval = __setup_irq(irq, desc, action); if (retval) kfree(action); diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index bc0993d86c8b..fac014a81b24 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -215,6 +215,7 @@ void unregister_handler_proc(unsigned int irq, struct irqaction *action) { if (action->dir) { struct irq_desc *desc = irq_to_desc(irq); + remove_proc_entry(action->dir->name, desc->dir); } } diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index ec5a4bef3054..dd364c11e56e 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -26,8 +26,7 @@ static DEFINE_TIMER(poll_spurious_irq_timer, poll_spurious_irqs, 0, 0); static int try_one_irq(int irq, struct irq_desc *desc) { struct irqaction *action; - int ok = 0; - int work = 0; /* Did we do work for a real IRQ */ + int ok = 0, work = 0; spin_lock(&desc->lock); /* Already running on another processor */ @@ -88,9 +87,8 @@ static int try_one_irq(int irq, struct irq_desc *desc) static int misrouted_irq(int irq) { - int i; - int ok = 0; struct irq_desc *desc; + int i, ok = 0; for_each_irq_desc(i, desc) { if (!i) @@ -108,8 +106,8 @@ static int misrouted_irq(int irq) static void poll_spurious_irqs(unsigned long dummy) { - int i; struct irq_desc *desc; + int i; for_each_irq_desc(i, desc) { unsigned int status; @@ -126,7 +124,8 @@ static void poll_spurious_irqs(unsigned long dummy) try_one_irq(i, desc); } - mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL); + mod_timer(&poll_spurious_irq_timer, + jiffies + POLL_SPURIOUS_IRQ_INTERVAL); } /* @@ -177,7 +176,9 @@ report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) } } -static inline int try_misrouted_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) +static inline int +try_misrouted_irq(unsigned int irq, struct irq_desc *desc, + irqreturn_t action_ret) { struct irqaction *action; @@ -253,7 +254,8 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, desc->depth++; desc->chip->disable(irq); - mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL); + mod_timer(&poll_spurious_irq_timer, + jiffies + POLL_SPURIOUS_IRQ_INTERVAL); } desc->irqs_unhandled = 0; } -- GitLab From c0c168ca26b54a4a6ad34fc813fe00f275fbc94c Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 11:15:28 +0200 Subject: [PATCH 5228/6244] x86: cleanup show_interrupts The sparseirq patches introduced some more ugliness in show_interrupts(). Clean it up all together and make the code easier to read by splitting out the "tail" function which prints the special interrupts. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/irq_32.c | 160 +++++++++++++++++++-------------------- arch/x86/kernel/irq_64.c | 153 ++++++++++++++++++------------------- 2 files changed, 154 insertions(+), 159 deletions(-) diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index ccf6c1bf7120..8d525765a6c4 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -263,22 +263,67 @@ atomic_t irq_err_count; * /proc/interrupts printing: */ +static int show_other_interrupts(struct seq_file *p) +{ + int j; + + seq_printf(p, "NMI: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", nmi_count(j)); + seq_printf(p, " Non-maskable interrupts\n"); +#ifdef CONFIG_X86_LOCAL_APIC + seq_printf(p, "LOC: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).apic_timer_irqs); + seq_printf(p, " Local timer interrupts\n"); +#endif +#ifdef CONFIG_SMP + seq_printf(p, "RES: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_resched_count); + seq_printf(p, " Rescheduling interrupts\n"); + seq_printf(p, "CAL: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_call_count); + seq_printf(p, " Function call interrupts\n"); + seq_printf(p, "TLB: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_tlb_count); + seq_printf(p, " TLB shootdowns\n"); +#endif +#ifdef CONFIG_X86_MCE + seq_printf(p, "TRM: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_thermal_count); + seq_printf(p, " Thermal event interrupts\n"); +#endif +#ifdef CONFIG_X86_LOCAL_APIC + seq_printf(p, "SPU: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_spurious_count); + seq_printf(p, " Spurious interrupts\n"); +#endif + seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); +#if defined(CONFIG_X86_IO_APIC) + seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); +#endif + return 0; +} + int show_interrupts(struct seq_file *p, void *v) { + unsigned long flags, any_count = 0; int i = *(loff_t *) v, j; - struct irqaction * action; - unsigned long flags; - unsigned int entries; - struct irq_desc *desc = NULL; - int tail = 0; + struct irqaction *action; + struct irq_desc *desc; + + if (i > nr_irqs) + return 0; - entries = nr_irqs - 1; - i = *(loff_t *) v; if (i == nr_irqs) - tail = 1; - else - desc = irq_to_desc(i); + return show_other_interrupts(p); + /* print header */ if (i == 0) { seq_printf(p, " "); for_each_online_cpu(j) @@ -286,88 +331,37 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i <= entries) { - unsigned any_count = 0; - - spin_lock_irqsave(&desc->lock, flags); + desc = irq_to_desc(i); + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP - any_count = kstat_irqs(i); + any_count = kstat_irqs(i); #else - for_each_online_cpu(j) - any_count |= kstat_irqs_cpu(i, j); + for_each_online_cpu(j) + any_count |= kstat_irqs_cpu(i, j); #endif - action = desc->action; - if (!action && !any_count) - goto skip; - seq_printf(p, "%3d: ", i); + action = desc->action; + if (!action && !any_count) + goto out; + + seq_printf(p, "%3d: ", i); #ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); + seq_printf(p, "%10u ", kstat_irqs(i)); #else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); + for_each_online_cpu(j) + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); #endif - seq_printf(p, " %8s", desc->chip->name); - seq_printf(p, "-%-8s", desc->name); - - if (action) { - seq_printf(p, " %s", action->name); - while ((action = action->next) != NULL) - seq_printf(p, ", %s", action->name); - } + seq_printf(p, " %8s", desc->chip->name); + seq_printf(p, "-%-8s", desc->name); - seq_putc(p, '\n'); -skip: - spin_unlock_irqrestore(&desc->lock, flags); + if (action) { + seq_printf(p, " %s", action->name); + while ((action = action->next) != NULL) + seq_printf(p, ", %s", action->name); } - if (tail) { - seq_printf(p, "NMI: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", nmi_count(j)); - seq_printf(p, " Non-maskable interrupts\n"); -#ifdef CONFIG_X86_LOCAL_APIC - seq_printf(p, "LOC: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).apic_timer_irqs); - seq_printf(p, " Local timer interrupts\n"); -#endif -#ifdef CONFIG_SMP - seq_printf(p, "RES: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).irq_resched_count); - seq_printf(p, " Rescheduling interrupts\n"); - seq_printf(p, "CAL: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).irq_call_count); - seq_printf(p, " Function call interrupts\n"); - seq_printf(p, "TLB: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).irq_tlb_count); - seq_printf(p, " TLB shootdowns\n"); -#endif -#ifdef CONFIG_X86_MCE - seq_printf(p, "TRM: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).irq_thermal_count); - seq_printf(p, " Thermal event interrupts\n"); -#endif -#ifdef CONFIG_X86_LOCAL_APIC - seq_printf(p, "SPU: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", - per_cpu(irq_stat,j).irq_spurious_count); - seq_printf(p, " Spurious interrupts\n"); -#endif - seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); -#if defined(CONFIG_X86_IO_APIC) - seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); -#endif - } + seq_putc(p, '\n'); +out: + spin_unlock_irqrestore(&desc->lock, flags); return 0; } diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 21f53b911113..4f374294f292 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -68,22 +68,65 @@ static inline void stack_overflow_check(struct pt_regs *regs) * Generic, controller-independent functions: */ +static int show_other_interrupts(struct seq_file *p) +{ + int j; + + seq_printf(p, "NMI: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); + seq_printf(p, " Non-maskable interrupts\n"); + seq_printf(p, "LOC: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs); + seq_printf(p, " Local timer interrupts\n"); +#ifdef CONFIG_SMP + seq_printf(p, "RES: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count); + seq_printf(p, " Rescheduling interrupts\n"); + seq_printf(p, "CAL: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count); + seq_printf(p, " Function call interrupts\n"); + seq_printf(p, "TLB: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count); + seq_printf(p, " TLB shootdowns\n"); +#endif +#ifdef CONFIG_X86_MCE + seq_printf(p, "TRM: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count); + seq_printf(p, " Thermal event interrupts\n"); + seq_printf(p, "THR: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count); + seq_printf(p, " Threshold APIC interrupts\n"); +#endif + seq_printf(p, "SPU: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count); + seq_printf(p, " Spurious interrupts\n"); + seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); + + return 0; +} + int show_interrupts(struct seq_file *p, void *v) { - int i, j; - struct irqaction * action; - unsigned long flags; - unsigned int entries; - struct irq_desc *desc = NULL; - int tail = 0; - - entries = nr_irqs - 1; - i = *(loff_t *) v; + unsigned long flags, any_count = 0; + int i = *(loff_t *) v, j; + struct irqaction *action; + struct irq_desc *desc; + + if (i > nr_irqs) + return 0; + if (i == nr_irqs) - tail = 1; - else - desc = irq_to_desc(i); + return show_other_interrupts(p); + /* print header */ if (i == 0) { seq_printf(p, " "); for_each_online_cpu(j) @@ -91,79 +134,37 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - if (i <= entries) { - unsigned any_count = 0; - - spin_lock_irqsave(&desc->lock, flags); + desc = irq_to_desc(i); + spin_lock_irqsave(&desc->lock, flags); #ifndef CONFIG_SMP - any_count = kstat_irqs(i); + any_count = kstat_irqs(i); #else - for_each_online_cpu(j) - any_count |= kstat_irqs_cpu(i, j); + for_each_online_cpu(j) + any_count |= kstat_irqs_cpu(i, j); #endif - action = desc->action; - if (!action && !any_count) - goto skip; - seq_printf(p, "%3d: ", i); + action = desc->action; + if (!action && !any_count) + goto out; + + seq_printf(p, "%3d: ", i); #ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); + seq_printf(p, "%10u ", kstat_irqs(i)); #else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); + for_each_online_cpu(j) + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); #endif - seq_printf(p, " %8s", desc->chip->name); - seq_printf(p, "-%-8s", desc->name); + seq_printf(p, " %8s", desc->chip->name); + seq_printf(p, "-%-8s", desc->name); - if (action) { - seq_printf(p, " %s", action->name); - while ((action = action->next) != NULL) - seq_printf(p, ", %s", action->name); - } - seq_putc(p, '\n'); -skip: - spin_unlock_irqrestore(&desc->lock, flags); - } - - if (tail) { - seq_printf(p, "NMI: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); - seq_printf(p, " Non-maskable interrupts\n"); - seq_printf(p, "LOC: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs); - seq_printf(p, " Local timer interrupts\n"); -#ifdef CONFIG_SMP - seq_printf(p, "RES: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count); - seq_printf(p, " Rescheduling interrupts\n"); - seq_printf(p, "CAL: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count); - seq_printf(p, " Function call interrupts\n"); - seq_printf(p, "TLB: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count); - seq_printf(p, " TLB shootdowns\n"); -#endif -#ifdef CONFIG_X86_MCE - seq_printf(p, "TRM: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count); - seq_printf(p, " Thermal event interrupts\n"); - seq_printf(p, "THR: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count); - seq_printf(p, " Threshold APIC interrupts\n"); -#endif - seq_printf(p, "SPU: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count); - seq_printf(p, " Spurious interrupts\n"); - seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); + if (action) { + seq_printf(p, " %s", action->name); + while ((action = action->next) != NULL) + seq_printf(p, ", %s", action->name); } + seq_putc(p, '\n'); +out: + spin_unlock_irqrestore(&desc->lock, flags); return 0; } -- GitLab From 6b39ba771e3c78d00e0abcebad270bd4212b28bc Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 11:32:24 +0200 Subject: [PATCH 5229/6244] x86: unify show_interrupts() and proc helpers show_interrupts() and proc helpers are basically the same for 32 and 64 bit. Move them to a shared source file. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/irq.c | 166 +++++++++++++++++++++++++++++++++++++++ arch/x86/kernel/irq_32.c | 146 ---------------------------------- arch/x86/kernel/irq_64.c | 132 ------------------------------- 4 files changed, 167 insertions(+), 279 deletions(-) create mode 100644 arch/x86/kernel/irq.c diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index cb6ade443f00..d7e5a58ee22f 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -23,7 +23,7 @@ CFLAGS_hpet.o := $(nostackp) CFLAGS_tsc.o := $(nostackp) obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o -obj-y += traps.o irq_$(BITS).o dumpstack_$(BITS).o +obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o obj-y += time_$(BITS).o ioport.o ldt.o obj-y += setup.o i8259.o irqinit_$(BITS).o setup_percpu.o obj-$(CONFIG_X86_VISWS) += visws_quirks.o diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c new file mode 100644 index 000000000000..3b9128498976 --- /dev/null +++ b/arch/x86/kernel/irq.c @@ -0,0 +1,166 @@ +/* + * Common interrupt code for 32 and 64 bit + */ +#include +#include +#include +#include + +#include +#include +#include + +atomic_t irq_err_count; + +#ifdef CONFIG_X86_32 +# define irq_stats(x) (&per_cpu(irq_stat,x)) +#else +# define irq_stats(x) cpu_pda(x) +#endif +/* + * /proc/interrupts printing: + */ +static int show_other_interrupts(struct seq_file *p) +{ + int j; + + seq_printf(p, "NMI: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->__nmi_count); + seq_printf(p, " Non-maskable interrupts\n"); +#ifdef CONFIG_X86_LOCAL_APIC + seq_printf(p, "LOC: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->apic_timer_irqs); + seq_printf(p, " Local timer interrupts\n"); +#endif +#ifdef CONFIG_SMP + seq_printf(p, "RES: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count); + seq_printf(p, " Rescheduling interrupts\n"); + seq_printf(p, "CAL: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_call_count); + seq_printf(p, " Function call interrupts\n"); + seq_printf(p, "TLB: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count); + seq_printf(p, " TLB shootdowns\n"); +#endif +#ifdef CONFIG_X86_MCE + seq_printf(p, "TRM: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_thermal_count); + seq_printf(p, " Thermal event interrupts\n"); +# ifdef CONFIG_X86_64 + seq_printf(p, "THR: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_threshold_count); + seq_printf(p, " Threshold APIC interrupts\n"); +# endif +#endif +#ifdef CONFIG_X86_LOCAL_APIC + seq_printf(p, "SPU: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", irq_stats(j)->irq_spurious_count); + seq_printf(p, " Spurious interrupts\n"); +#endif + seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); +#if defined(CONFIG_X86_IO_APIC) + seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); +#endif + return 0; +} + +int show_interrupts(struct seq_file *p, void *v) +{ + unsigned long flags, any_count = 0; + int i = *(loff_t *) v, j; + struct irqaction *action; + struct irq_desc *desc; + + if (i > nr_irqs) + return 0; + + if (i == nr_irqs) + return show_other_interrupts(p); + + /* print header */ + if (i == 0) { + seq_printf(p, " "); + for_each_online_cpu(j) + seq_printf(p, "CPU%-8d",j); + seq_putc(p, '\n'); + } + + desc = irq_to_desc(i); + spin_lock_irqsave(&desc->lock, flags); +#ifndef CONFIG_SMP + any_count = kstat_irqs(i); +#else + for_each_online_cpu(j) + any_count |= kstat_irqs_cpu(i, j); +#endif + action = desc->action; + if (!action && !any_count) + goto out; + + seq_printf(p, "%3d: ", i); +#ifndef CONFIG_SMP + seq_printf(p, "%10u ", kstat_irqs(i)); +#else + for_each_online_cpu(j) + seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); +#endif + seq_printf(p, " %8s", desc->chip->name); + seq_printf(p, "-%-8s", desc->name); + + if (action) { + seq_printf(p, " %s", action->name); + while ((action = action->next) != NULL) + seq_printf(p, ", %s", action->name); + } + + seq_putc(p, '\n'); +out: + spin_unlock_irqrestore(&desc->lock, flags); + return 0; +} + +/* + * /proc/stat helpers + */ +u64 arch_irq_stat_cpu(unsigned int cpu) +{ + u64 sum = irq_stats(cpu)->__nmi_count; + +#ifdef CONFIG_X86_LOCAL_APIC + sum += irq_stats(cpu)->apic_timer_irqs; +#endif +#ifdef CONFIG_SMP + sum += irq_stats(cpu)->irq_resched_count; + sum += irq_stats(cpu)->irq_call_count; + sum += irq_stats(cpu)->irq_tlb_count; +#endif +#ifdef CONFIG_X86_MCE + sum += irq_stats(cpu)->irq_thermal_count; +# ifdef CONFIG_X86_64 + sum += irq_stats(cpu)->irq_threshold_count; +#endif +#endif +#ifdef CONFIG_X86_LOCAL_APIC + sum += irq_stats(cpu)->irq_spurious_count; +#endif + return sum; +} + +u64 arch_irq_stat(void) +{ + u64 sum = atomic_read(&irq_err_count); + +#ifdef CONFIG_X86_IO_APIC + sum += atomic_read(&irq_mis_count); +#endif + return sum; +} diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 8d525765a6c4..6d9bf3936c78 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -253,152 +253,6 @@ unsigned int do_IRQ(struct pt_regs *regs) return 1; } -/* - * Interrupt statistics: - */ - -atomic_t irq_err_count; - -/* - * /proc/interrupts printing: - */ - -static int show_other_interrupts(struct seq_file *p) -{ - int j; - - seq_printf(p, "NMI: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", nmi_count(j)); - seq_printf(p, " Non-maskable interrupts\n"); -#ifdef CONFIG_X86_LOCAL_APIC - seq_printf(p, "LOC: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).apic_timer_irqs); - seq_printf(p, " Local timer interrupts\n"); -#endif -#ifdef CONFIG_SMP - seq_printf(p, "RES: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_resched_count); - seq_printf(p, " Rescheduling interrupts\n"); - seq_printf(p, "CAL: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_call_count); - seq_printf(p, " Function call interrupts\n"); - seq_printf(p, "TLB: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_tlb_count); - seq_printf(p, " TLB shootdowns\n"); -#endif -#ifdef CONFIG_X86_MCE - seq_printf(p, "TRM: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_thermal_count); - seq_printf(p, " Thermal event interrupts\n"); -#endif -#ifdef CONFIG_X86_LOCAL_APIC - seq_printf(p, "SPU: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_spurious_count); - seq_printf(p, " Spurious interrupts\n"); -#endif - seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); -#if defined(CONFIG_X86_IO_APIC) - seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count)); -#endif - return 0; -} - -int show_interrupts(struct seq_file *p, void *v) -{ - unsigned long flags, any_count = 0; - int i = *(loff_t *) v, j; - struct irqaction *action; - struct irq_desc *desc; - - if (i > nr_irqs) - return 0; - - if (i == nr_irqs) - return show_other_interrupts(p); - - /* print header */ - if (i == 0) { - seq_printf(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%-8d",j); - seq_putc(p, '\n'); - } - - desc = irq_to_desc(i); - spin_lock_irqsave(&desc->lock, flags); -#ifndef CONFIG_SMP - any_count = kstat_irqs(i); -#else - for_each_online_cpu(j) - any_count |= kstat_irqs_cpu(i, j); -#endif - action = desc->action; - if (!action && !any_count) - goto out; - - seq_printf(p, "%3d: ", i); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#endif - seq_printf(p, " %8s", desc->chip->name); - seq_printf(p, "-%-8s", desc->name); - - if (action) { - seq_printf(p, " %s", action->name); - while ((action = action->next) != NULL) - seq_printf(p, ", %s", action->name); - } - - seq_putc(p, '\n'); -out: - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -} - -/* - * /proc/stat helpers - */ -u64 arch_irq_stat_cpu(unsigned int cpu) -{ - u64 sum = nmi_count(cpu); - -#ifdef CONFIG_X86_LOCAL_APIC - sum += per_cpu(irq_stat, cpu).apic_timer_irqs; -#endif -#ifdef CONFIG_SMP - sum += per_cpu(irq_stat, cpu).irq_resched_count; - sum += per_cpu(irq_stat, cpu).irq_call_count; - sum += per_cpu(irq_stat, cpu).irq_tlb_count; -#endif -#ifdef CONFIG_X86_MCE - sum += per_cpu(irq_stat, cpu).irq_thermal_count; -#endif -#ifdef CONFIG_X86_LOCAL_APIC - sum += per_cpu(irq_stat, cpu).irq_spurious_count; -#endif - return sum; -} - -u64 arch_irq_stat(void) -{ - u64 sum = atomic_read(&irq_err_count); - -#ifdef CONFIG_X86_IO_APIC - sum += atomic_read(&irq_mis_count); -#endif - return sum; -} - #ifdef CONFIG_HOTPLUG_CPU #include diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 4f374294f292..39ef7feb9ea4 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -18,8 +18,6 @@ #include #include -atomic_t irq_err_count; - /* * 'what should we do if we get a hw irq event on an illegal vector'. * each architecture has to answer this themselves. @@ -64,136 +62,6 @@ static inline void stack_overflow_check(struct pt_regs *regs) } #endif -/* - * Generic, controller-independent functions: - */ - -static int show_other_interrupts(struct seq_file *p) -{ - int j; - - seq_printf(p, "NMI: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count); - seq_printf(p, " Non-maskable interrupts\n"); - seq_printf(p, "LOC: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs); - seq_printf(p, " Local timer interrupts\n"); -#ifdef CONFIG_SMP - seq_printf(p, "RES: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count); - seq_printf(p, " Rescheduling interrupts\n"); - seq_printf(p, "CAL: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count); - seq_printf(p, " Function call interrupts\n"); - seq_printf(p, "TLB: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count); - seq_printf(p, " TLB shootdowns\n"); -#endif -#ifdef CONFIG_X86_MCE - seq_printf(p, "TRM: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count); - seq_printf(p, " Thermal event interrupts\n"); - seq_printf(p, "THR: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count); - seq_printf(p, " Threshold APIC interrupts\n"); -#endif - seq_printf(p, "SPU: "); - for_each_online_cpu(j) - seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count); - seq_printf(p, " Spurious interrupts\n"); - seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); - - return 0; -} - -int show_interrupts(struct seq_file *p, void *v) -{ - unsigned long flags, any_count = 0; - int i = *(loff_t *) v, j; - struct irqaction *action; - struct irq_desc *desc; - - if (i > nr_irqs) - return 0; - - if (i == nr_irqs) - return show_other_interrupts(p); - - /* print header */ - if (i == 0) { - seq_printf(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%-8d",j); - seq_putc(p, '\n'); - } - - desc = irq_to_desc(i); - spin_lock_irqsave(&desc->lock, flags); -#ifndef CONFIG_SMP - any_count = kstat_irqs(i); -#else - for_each_online_cpu(j) - any_count |= kstat_irqs_cpu(i, j); -#endif - action = desc->action; - if (!action && !any_count) - goto out; - - seq_printf(p, "%3d: ", i); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, j)); -#endif - seq_printf(p, " %8s", desc->chip->name); - seq_printf(p, "-%-8s", desc->name); - - if (action) { - seq_printf(p, " %s", action->name); - while ((action = action->next) != NULL) - seq_printf(p, ", %s", action->name); - } - - seq_putc(p, '\n'); -out: - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -} - -/* - * /proc/stat helpers - */ -u64 arch_irq_stat_cpu(unsigned int cpu) -{ - u64 sum = cpu_pda(cpu)->__nmi_count; - - sum += cpu_pda(cpu)->apic_timer_irqs; -#ifdef CONFIG_SMP - sum += cpu_pda(cpu)->irq_resched_count; - sum += cpu_pda(cpu)->irq_call_count; - sum += cpu_pda(cpu)->irq_tlb_count; -#endif -#ifdef CONFIG_X86_MCE - sum += cpu_pda(cpu)->irq_thermal_count; - sum += cpu_pda(cpu)->irq_threshold_count; -#endif - sum += cpu_pda(cpu)->irq_spurious_count; - return sum; -} - -u64 arch_irq_stat(void) -{ - return atomic_read(&irq_err_count); -} - /* * do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific -- GitLab From 249f6d9eab372790579ada8991bba3384c204e06 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 12:18:50 +0200 Subject: [PATCH 5230/6244] x86: move ack_bad_irq() to irq.c Share more duplicated code. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/irq.c | 23 +++++++++++++++++++++++ arch/x86/kernel/irq_32.c | 23 ----------------------- arch/x86/kernel/irq_64.c | 20 -------------------- 3 files changed, 23 insertions(+), 43 deletions(-) diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 3b9128498976..ccf6c503fc3b 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -12,6 +12,29 @@ atomic_t irq_err_count; +/* + * 'what should we do if we get a hw irq event on an illegal vector'. + * each architecture has to answer this themselves. + */ +void ack_bad_irq(unsigned int irq) +{ + printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq); + +#ifdef CONFIG_X86_LOCAL_APIC + /* + * Currently unexpected vectors happen only on SMP and APIC. + * We _must_ ack these because every local APIC has only N + * irq slots per priority level, and a 'hanging, unacked' IRQ + * holds up an irq slot - in excessive cases (when multiple + * unexpected vectors occur) that might lock up the APIC + * completely. + * But only ack when the APIC is enabled -AK + */ + if (cpu_has_apic) + ack_APIC_irq(); +#endif +} + #ifdef CONFIG_X86_32 # define irq_stats(x) (&per_cpu(irq_stat,x)) #else diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 6d9bf3936c78..a51382672de0 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -25,29 +25,6 @@ EXPORT_PER_CPU_SYMBOL(irq_stat); DEFINE_PER_CPU(struct pt_regs *, irq_regs); EXPORT_PER_CPU_SYMBOL(irq_regs); -/* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. - */ -void ack_bad_irq(unsigned int irq) -{ - printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq); - -#ifdef CONFIG_X86_LOCAL_APIC - /* - * Currently unexpected vectors happen only on SMP and APIC. - * We _must_ ack these because every local APIC has only N - * irq slots per priority level, and a 'hanging, unacked' IRQ - * holds up an irq slot - in excessive cases (when multiple - * unexpected vectors occur) that might lock up the APIC - * completely. - * But only ack when the APIC is enabled -AK - */ - if (cpu_has_apic) - ack_APIC_irq(); -#endif -} - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ static int check_stack_overflow(void) diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 39ef7feb9ea4..60eb84eb77a0 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -18,26 +18,6 @@ #include #include -/* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. - */ -void ack_bad_irq(unsigned int irq) -{ - printk(KERN_WARNING "unexpected IRQ trap at vector %02x\n", irq); - /* - * Currently unexpected vectors happen only on SMP and APIC. - * We _must_ ack these because every local APIC has only N - * irq slots per priority level, and a 'hanging, unacked' IRQ - * holds up an irq slot - in excessive cases (when multiple - * unexpected vectors occur) that might lock up the APIC - * completely. - * But don't ack when the APIC is disabled. -AK - */ - if (!disable_apic) - ack_APIC_irq(); -} - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* * Probabilistic stack overflow check: -- GitLab From 811410fdb6b9d82a518542289efe9b2a51e3cbfb Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 14:16:11 +0200 Subject: [PATCH 5231/6244] genirq: add reverse iterator for irq_desc Signed-off-by: Thomas Gleixner --- include/linux/irq.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 38bf89f2ade0..31632aa65d16 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -21,6 +21,10 @@ extern int nr_irqs; # define for_each_irq_desc(irq, desc) \ for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++) + +# define for_each_irq_desc_reverse(irq, desc) \ + for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 ); \ + irq > 0; irq--, desc--) #endif #ifndef CONFIG_S390 -- GitLab From 2be3b52a5785a6a5c5349fbd315f57595f7074be Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 14:50:27 +0200 Subject: [PATCH 5232/6244] proc: fixup irq iterator There is no need for irq_desc here. Even for sparse_irq we can handle this clever in for_each_irq_nr(). Signed-off-by: Thomas Gleixner --- fs/proc/proc_misc.c | 7 ++----- include/linux/irq.h | 3 +++ 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 3f5c7b9d1a70..97b4579134d5 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -509,9 +509,6 @@ static int show_stat(struct seq_file *p, void *v) u64 sum = 0; struct timespec boottime; unsigned int per_irq_sum; -#ifdef CONFIG_GENERIC_HARDIRQS - struct irq_desc *desc; -#endif user = nice = system = idle = iowait = irq = softirq = steal = cputime64_zero; @@ -530,7 +527,7 @@ static int show_stat(struct seq_file *p, void *v) steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal); guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest); - for_each_irq_desc(j, desc) + for_each_irq_nr(j) sum += kstat_irqs_cpu(j, i); sum += arch_irq_stat_cpu(i); @@ -575,7 +572,7 @@ static int show_stat(struct seq_file *p, void *v) seq_printf(p, "intr %llu", (unsigned long long)sum); /* sum again ? it could be updated? */ - for_each_irq_desc(j, desc) { + for_each_irq_nr(j) { per_irq_sum = 0; for_each_possible_cpu(i) diff --git a/include/linux/irq.h b/include/linux/irq.h index 31632aa65d16..0618fb362cb4 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -27,6 +27,9 @@ extern int nr_irqs; irq > 0; irq--, desc--) #endif +#define for_each_irq_nr(irq) \ + for (irq = 0; irq < nr_irqs; irq++) + #ifndef CONFIG_S390 #include -- GitLab From 10e580842ec8e53dddf62e1ab1871f4906477376 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 14:19:04 +0200 Subject: [PATCH 5233/6244] genirq: use iterators for irq_desc loops Use for_each_irq_desc[_reverse] for all the iteration loops. Signed-off-by: Thomas Gleixner --- drivers/xen/events.c | 14 ++++++------- kernel/irq/autoprobe.c | 45 +++++++++++------------------------------- kernel/irq/handle.c | 5 +++-- 3 files changed, 21 insertions(+), 43 deletions(-) diff --git a/drivers/xen/events.c b/drivers/xen/events.c index e6d47e8ca1ac..9ce1ab6c268d 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -137,14 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) static void init_evtchn_cpu_bindings(void) { #ifdef CONFIG_SMP + struct irq_desc *desc; int i; + /* By default all event channels notify CPU#0. */ - for (i = 0; i < nr_irqs; i++) { - struct irq_desc *desc = irq_to_desc(i); - if (!desc) - continue; + for_each_irq_desc(i, desc) desc->affinity = cpumask_of_cpu(0); - } #endif memset(cpu_evtchn, 0, sizeof(cpu_evtchn)); @@ -233,7 +231,7 @@ static int find_unbound_irq(void) int irq; /* Only allocate from dynirq range */ - for (irq = 0; irq < nr_irqs; irq++) + for_each_irq_nr(irq) if (irq_bindcount[irq] == 0) break; @@ -794,7 +792,7 @@ void xen_irq_resume(void) mask_evtchn(evtchn); /* No IRQ <-> event-channel mappings. */ - for (irq = 0; irq < nr_irqs; irq++) + for_each_irq_nr(irq) irq_info[irq].evtchn = 0; /* zap event-channel binding */ for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++) @@ -826,7 +824,7 @@ void __init xen_init_IRQ(void) mask_evtchn(i); /* Dynamic IRQ space is currently unbound. Zero the refcnts. */ - for (i = 0; i < nr_irqs; i++) + for_each_irq_nr(i) irq_bindcount[i] = 0; irq_ctx_init(smp_processor_id()); diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index b3a5549ea81e..0cbff18efb6d 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -30,19 +30,16 @@ static DEFINE_MUTEX(probing_active); unsigned long probe_irq_on(void) { struct irq_desc *desc; - unsigned long mask; - unsigned int i; + unsigned long mask = 0; + unsigned int status; + int i; mutex_lock(&probing_active); /* * something may have generated an irq long ago and we want to * flush such a longstanding irq before considering it as spurious. */ - for (i = nr_irqs-1; i > 0; i--) { - desc = irq_to_desc(i); - if (!desc) - continue; - + for_each_irq_desc_reverse(i, desc) { spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { /* @@ -70,11 +67,7 @@ unsigned long probe_irq_on(void) * (we must startup again here because if a longstanding irq * happened in the previous stage, it may have masked itself) */ - for (i = nr_irqs-1; i > 0; i--) { - desc = irq_to_desc(i); - if (!desc) - continue; - + for_each_irq_desc_reverse(i, desc) { spin_lock_irq(&desc->lock); if (!desc->action && !(desc->status & IRQ_NOPROBE)) { desc->status |= IRQ_AUTODETECT | IRQ_WAITING; @@ -92,13 +85,7 @@ unsigned long probe_irq_on(void) /* * Now filter out any obviously spurious interrupts */ - mask = 0; - for (i = 0; i < nr_irqs; i++) { - unsigned int status; - - desc = irq_to_desc(i); - if (!desc) - continue; + for_each_irq_desc(i, desc) { spin_lock_irq(&desc->lock); status = desc->status; @@ -132,16 +119,11 @@ EXPORT_SYMBOL(probe_irq_on); */ unsigned int probe_irq_mask(unsigned long val) { - unsigned int mask; + unsigned int status, mask = 0; + struct irq_desc *desc; int i; - mask = 0; - for (i = 0; i < nr_irqs; i++) { - struct irq_desc *desc = irq_to_desc(i); - unsigned int status; - - if (!desc) - continue; + for_each_irq_desc(i, desc) { spin_lock_irq(&desc->lock); status = desc->status; @@ -180,13 +162,10 @@ EXPORT_SYMBOL(probe_irq_mask); int probe_irq_off(unsigned long val) { int i, irq_found = 0, nr_irqs = 0; + struct irq_desc *desc; + unsigned int status; - for (i = 0; i < nr_irqs; i++) { - struct irq_desc *desc = irq_to_desc(i); - unsigned int status; - - if (!desc) - continue; + for_each_irq_desc(i, desc) { spin_lock_irq(&desc->lock); status = desc->status; diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index a69368ff607f..c815b42d0f5b 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -268,9 +268,10 @@ static struct lock_class_key irq_desc_lock_class; void early_init_irq_lock_class(void) { + struct irq_desc *desc; int i; - for (i = 0; i < nr_irqs; i++) - lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class); + for_each_irq_desc(i, desc) + lockdep_set_class(&desc->lock, &irq_desc_lock_class); } #endif -- GitLab From 63d659d556f145d33798b8ad19ced10c254fe445 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 15:33:18 +0200 Subject: [PATCH 5234/6244] genirq: fix name space collision of nr_irqs in autoprobe.c probe_irq_off() is disfunctional as the local nr_irqs is referenced instead of the global one for the for_each_irq_desc() iterator. Signed-off-by: Thomas Gleixner --- kernel/irq/autoprobe.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index 0cbff18efb6d..cc0f7321b8ce 100644 --- a/kernel/irq/autoprobe.c +++ b/kernel/irq/autoprobe.c @@ -161,7 +161,7 @@ EXPORT_SYMBOL(probe_irq_mask); */ int probe_irq_off(unsigned long val) { - int i, irq_found = 0, nr_irqs = 0; + int i, irq_found = 0, nr_of_irqs = 0; struct irq_desc *desc; unsigned int status; @@ -171,9 +171,9 @@ int probe_irq_off(unsigned long val) if (status & IRQ_AUTODETECT) { if (!(status & IRQ_WAITING)) { - if (!nr_irqs) + if (!nr_of_irqs) irq_found = i; - nr_irqs++; + nr_of_irqs++; } desc->status = status & ~IRQ_AUTODETECT; desc->chip->shutdown(i); @@ -182,7 +182,7 @@ int probe_irq_off(unsigned long val) } mutex_unlock(&probing_active); - if (nr_irqs > 1) + if (nr_of_irqs > 1) irq_found = -irq_found; return irq_found; -- GitLab From 4b1135a277f4b38f60b9c9f28adae467feb07856 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 16 Oct 2008 15:33:18 +0200 Subject: [PATCH 5235/6244] genirq: fix name space collisions of nr_irqs in arch/* local shadows of global variables are _bad_ Signed-off-by: Thomas Gleixner --- arch/alpha/kernel/sys_sable.c | 6 +++--- arch/arm/mach-ixp2000/ixdp2x00.c | 4 ++-- arch/arm/mach-omap2/irq.c | 8 ++++---- arch/avr32/mach-at32ap/extint.c | 8 ++++---- 4 files changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index 99a7f19da13a..a4555f497639 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -47,7 +47,7 @@ typedef struct irq_swizzle_struct static irq_swizzle_t *sable_lynx_irq_swizzle; -static void sable_lynx_init_irq(int nr_irqs); +static void sable_lynx_init_irq(int nr_of_irqs); #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE) @@ -530,11 +530,11 @@ sable_lynx_srm_device_interrupt(unsigned long vector) } static void __init -sable_lynx_init_irq(int nr_irqs) +sable_lynx_init_irq(int nr_of_irqs) { long i; - for (i = 0; i < nr_irqs; ++i) { + for (i = 0; i < nr_of_irqs; ++i) { irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL; irq_desc[i].chip = &sable_lynx_irq_type; } diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c index b0653a87159a..30451300751b 100644 --- a/arch/arm/mach-ixp2000/ixdp2x00.c +++ b/arch/arm/mach-ixp2000/ixdp2x00.c @@ -143,7 +143,7 @@ static struct irq_chip ixdp2x00_cpld_irq_chip = { .unmask = ixdp2x00_irq_unmask }; -void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_irqs) +void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_of_irqs) { unsigned int irq; @@ -154,7 +154,7 @@ void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigne board_irq_stat = stat_reg; board_irq_mask = mask_reg; - board_irq_count = nr_irqs; + board_irq_count = nr_of_irqs; *board_irq_mask = 0xffffffff; diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 196a9565a8dc..003901f1e2da 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -111,7 +111,7 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank) void __init omap_init_irq(void) { - unsigned long nr_irqs = 0; + unsigned long nr_of_irqs = 0; unsigned int nr_banks = 0; int i; @@ -124,14 +124,14 @@ void __init omap_init_irq(void) omap_irq_bank_init_one(bank); - nr_irqs += bank->nr_irqs; + nr_of_irqs += bank->nr_irqs; nr_banks++; } printk(KERN_INFO "Total of %ld interrupts on %d active controller%s\n", - nr_irqs, nr_banks, nr_banks > 1 ? "s" : ""); + nr_of_irqs, nr_banks, nr_banks > 1 ? "s" : ""); - for (i = 0; i < nr_irqs; i++) { + for (i = 0; i < nr_of_irqs; i++) { set_irq_chip(i, &omap_irq_chip); set_irq_handler(i, handle_level_irq); set_irq_flags(i, IRQF_VALID); diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index c36a6d59d6f0..310477ba1bbf 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -191,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev) struct eic *eic; struct resource *regs; unsigned int i; - unsigned int nr_irqs; + unsigned int nr_of_irqs; unsigned int int_irq; int ret; u32 pattern; @@ -224,7 +224,7 @@ static int __init eic_probe(struct platform_device *pdev) eic_writel(eic, IDR, ~0UL); eic_writel(eic, MODE, ~0UL); pattern = eic_readl(eic, MODE); - nr_irqs = fls(pattern); + nr_of_irqs = fls(pattern); /* Trigger on low level unless overridden by driver */ eic_writel(eic, EDGE, 0UL); @@ -232,7 +232,7 @@ static int __init eic_probe(struct platform_device *pdev) eic->chip = &eic_chip; - for (i = 0; i < nr_irqs; i++) { + for (i = 0; i < nr_of_irqs; i++) { set_irq_chip_and_handler(eic->first_irq + i, &eic_chip, handle_level_irq); set_irq_chip_data(eic->first_irq + i, eic); @@ -256,7 +256,7 @@ static int __init eic_probe(struct platform_device *pdev) eic->regs, int_irq); dev_info(&pdev->dev, "Handling %u external IRQs, starting with IRQ %u\n", - nr_irqs, eic->first_irq); + nr_of_irqs, eic->first_irq); return 0; -- GitLab From 10e0298686be6249b0665465737a6b83446c4d35 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 16 Oct 2008 17:04:22 +0200 Subject: [PATCH 5236/6244] io_apic: make irq_mis_count available on 64-bit too Signed-off-by: Ingo Molnar --- arch/x86/kernel/io_apic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 6f80dc2f137e..b764d7429c61 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -2277,9 +2277,7 @@ static void ack_apic_edge(unsigned int irq) ack_APIC_irq(); } -#ifdef CONFIG_X86_32 atomic_t irq_mis_count; -#endif static void ack_apic_level(unsigned int irq) { -- GitLab From f51501551ef5c3f3d3911fbd736664d614014344 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Thu, 16 Oct 2008 23:23:18 +0800 Subject: [PATCH 5237/6244] Blackfin arch: update AD7879 platform resources in board file Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf537/boards/stamp.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index dc5a30849c15..8d394393201f 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -577,11 +577,6 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = { #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) #include -static struct bfin5xx_spi_chip spi_ad7879_chip_info = { - .enable_dma = 0, - .bits_per_word = 16, -}; - static const struct ad7879_platform_data bfin_ad7879_ts_info = { .model = 7879, /* Model = AD7879 */ .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ @@ -597,6 +592,13 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = { }; #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) +static struct bfin5xx_spi_chip spi_ad7879_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; +#endif + #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) static struct bfin5xx_spi_chip spidev_chip_info = { .enable_dma = 0, @@ -750,7 +752,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spi_ad7877_chip_info, }, #endif -#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) +#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE) { .modalias = "ad7879", .platform_data = &bfin_ad7879_ts_info, @@ -935,7 +937,7 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = { #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE) { I2C_BOARD_INFO("ad7142_joystick", 0x2C), - .irq = 55, + .irq = IRQ_PF5, }, #endif #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE) @@ -946,7 +948,14 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = { #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE) { I2C_BOARD_INFO("pcf8574_keypad", 0x27), - .irq = 72, + .irq = IRQ_PG6, + }, +#endif +#if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE) + { + I2C_BOARD_INFO("ad7879", 0x2F), + .irq = IRQ_PG5, + .platform_data = (void *)&bfin_ad7879_ts_info, }, #endif }; -- GitLab From ded963a486e08eb89a2c861c3323fe33abf2c6c8 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:01:24 +0800 Subject: [PATCH 5238/6244] Blackfin arch: unify/cleanup cache code - to be correct wrt to end ranges - to be optimal with a one-instruction hardware loop Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/cache.S | 173 ++++++++++-------------------- 1 file changed, 58 insertions(+), 115 deletions(-) diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index 85f8c79b3c37..db532181fbde 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -1,148 +1,91 @@ /* - * File: arch/blackfin/mach-common/cache.S - * Based on: - * Author: LG Soft India + * Blackfin cache control code * - * Created: - * Description: cache control support + * Copyright 2004-2008 Analog Devices Inc. * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. + * Enter bugs at http://blackfin.uclinux.org/ * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #include -#include -#include #include #include +#include .text -/* - * blackfin_cache_flush_range(start, end) - * Invalidate all cache lines assocoiated with this - * area of memory. +/* Since all L1 caches work the same way, we use the same method for flushing + * them. Only the actual flush instruction differs. We write this in asm as + * GCC can be hard to coax into writing nice hardware loops. * - * start: Start address - * end: End address + * Also, we assume the following register setup: + * R0 = start address + * R1 = end address */ -ENTRY(_blackfin_icache_flush_range) +.macro do_flush flushins:req optflushins optnopins label + + /* end = ((end - 1) & -L1_CACHE_BYTES) + L1_CACHE_BYTES; */ + R1 += -1; R2 = -L1_CACHE_BYTES; - R2 = R0 & R2; - P0 = R2; - P1 = R1; - CSYNC(R3); - IFLUSH [P0]; + R1 = R1 & R2; + R1 += L1_CACHE_BYTES; + + /* count = (end - start) >> L1_CACHE_SHIFT */ + R2 = R1 - R0; + R2 >>= L1_CACHE_SHIFT; + P1 = R2; + +.ifnb \label +\label : +.endif + P0 = R0; + LSETUP (1f, 2f) LC1 = P1; 1: - IFLUSH [P0++]; - CC = P0 < P1 (iu); - IF CC JUMP 1b (bp); - IFLUSH [P0]; - SSYNC(R3); +.ifnb \optflushins + \optflushins [P0]; +.endif +.ifb \optnopins +2: +.endif + \flushins [P0++]; +.ifnb \optnopins +2: \optnopins; +.endif + RTS; -ENDPROC(_blackfin_icache_flush_range) +.endm -/* - * blackfin_icache_dcache_flush_range(start, end) - * FLUSH all cache lines assocoiated with this - * area of memory. - * - * start: Start address - * end: End address - */ +/* Invalidate all instruction cache lines assocoiated with this memory area */ +ENTRY(_blackfin_icache_flush_range) + do_flush IFLUSH, , nop +ENDPROC(_blackfin_icache_flush_range) +/* Flush all cache lines assocoiated with this area of memory. */ ENTRY(_blackfin_icache_dcache_flush_range) - R2 = -L1_CACHE_BYTES; - R2 = R0 & R2; - P0 = R2; - P1 = R1; - CSYNC(R3); - IFLUSH [P0]; -1: - FLUSH [P0]; - IFLUSH [P0++]; - CC = P0 < P1 (iu); - IF CC JUMP 1b (bp); - IFLUSH [P0]; - FLUSH [P0]; - SSYNC(R3); - RTS; + do_flush IFLUSH, FLUSH ENDPROC(_blackfin_icache_dcache_flush_range) /* Throw away all D-cached data in specified region without any obligation to - * write them back. However, we must clean the D-cached entries around the - * boundaries of the start and/or end address is not cache aligned. - * - * Start: start address, - * end : end address. + * write them back. Since the Blackfin ISA does not have an "invalidate" + * instruction, we use flush/invalidate. Perhaps as a speed optimization we + * could bang on the DTEST MMRs ... */ - ENTRY(_blackfin_dcache_invalidate_range) - R2 = -L1_CACHE_BYTES; - R2 = R0 & R2; - P0 = R2; - P1 = R1; - CSYNC(R3); - FLUSHINV[P0]; -1: - FLUSHINV[P0++]; - CC = P0 < P1 (iu); - IF CC JUMP 1b (bp); - - /* If the data crosses a cache line, then we'll be pointing to - * the last cache line, but won't have flushed/invalidated it yet, - * so do one more. - */ - FLUSHINV[P0]; - SSYNC(R3); - RTS; + do_flush FLUSHINV ENDPROC(_blackfin_dcache_invalidate_range) +/* Flush all data cache lines assocoiated with this memory area */ ENTRY(_blackfin_dcache_flush_range) - R2 = -L1_CACHE_BYTES; - R2 = R0 & R2; - P0 = R2; - P1 = R1; - CSYNC(R3); - FLUSH[P0]; -1: - FLUSH[P0++]; - CC = P0 < P1 (iu); - IF CC JUMP 1b (bp); - - /* If the data crosses a cache line, then we'll be pointing to - * the last cache line, but won't have flushed it yet, so do - * one more. - */ - FLUSH[P0]; - SSYNC(R3); - RTS; + do_flush FLUSH, , , .Ldfr ENDPROC(_blackfin_dcache_flush_range) +/* Our headers convert the page structure to an address, so just need to flush + * its contents like normal. We know the start address is page aligned (which + * greater than our cache alignment), as is the end address. So just jump into + * the middle of the dcache flush function. + */ ENTRY(_blackfin_dflush_page) P1 = 1 << (PAGE_SHIFT - L1_CACHE_SHIFT); - P0 = R0; - CSYNC(R3); - FLUSH[P0]; - LSETUP (.Lfl1, .Lfl1) LC0 = P1; -.Lfl1: FLUSH [P0++]; - SSYNC(R3); - RTS; + jump .Ldfr; ENDPROC(_blackfin_dflush_page) -- GitLab From cc8e920aaf5558f87851169b33c420cc4516c253 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 16 Oct 2008 17:05:27 +0200 Subject: [PATCH 5239/6244] intr_remapping: fix typo Signed-off-by: Ingo Molnar --- drivers/pci/intr_remapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 950769e87475..d6040dd3ff5b 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -23,7 +23,7 @@ static struct irq_2_iommu irq_2_iommuX[NR_IRQS]; static struct irq_2_iommu *irq_2_iommu(unsigned int irq) { - return (irq < nr_irqs) ?: irq_2_iommuX + irq : NULL; + return (irq < nr_irqs) ? irq_2_iommuX + irq : NULL; } static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq) -- GitLab From 9bebeff98ea960b13c4de95782c54f8e5e8b70fc Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 16 Oct 2008 23:05:28 +0800 Subject: [PATCH 5240/6244] Blackfin arch: fix bug - build kernel failed at head.S when reprogram clock on all platforms Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/head.S | 2 +- arch/blackfin/mach-bf533/head.S | 2 +- arch/blackfin/mach-bf537/head.S | 2 +- arch/blackfin/mach-bf548/head.S | 2 +- arch/blackfin/mach-bf561/head.S | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index 6588170e3845..0eb1da85db73 100644 --- a/arch/blackfin/mach-bf527/head.S +++ b/arch/blackfin/mach-bf527/head.S @@ -88,7 +88,7 @@ ENTRY(_start_dma_code) r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ #ifdef ANOMALY_05000265 - r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ #endif p0.h = hi(PLL_CTL); diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 619685b94d90..9fc95aaca439 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -79,7 +79,7 @@ ENTRY(_start_dma_code) r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ #ifdef ANOMALY_05000265 - r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ #endif p0.h = hi(PLL_CTL); diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S index 559a7eef7a38..f5c94bf80e3b 100644 --- a/arch/blackfin/mach-bf537/head.S +++ b/arch/blackfin/mach-bf537/head.S @@ -88,7 +88,7 @@ ENTRY(_start_dma_code) r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ #ifdef ANOMALY_05000265 - r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ #endif p0.h = hi(PLL_CTL); diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index 051b05c88027..93b361dff27b 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -95,7 +95,7 @@ ENTRY(_start_dma_code) r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ #ifdef ANOMALY_05000265 - r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ #endif p0.h = hi(PLL_CTL); diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S index 0b28137b3dea..31a777a9e699 100644 --- a/arch/blackfin/mach-bf561/head.S +++ b/arch/blackfin/mach-bf561/head.S @@ -78,7 +78,7 @@ ENTRY(_start_dma_code) r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ #ifdef ANOMALY_05000265 - r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ + BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ #endif p0.h = hi(PLL_CTL); -- GitLab From a92946bc6abad6494ac95ea1a8b7c224b15fa1f7 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:25:34 +0800 Subject: [PATCH 5241/6244] Blackfin arch: use the new bfin_addr_dcachable() function Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/cplb-mpu/cplbmgr.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c index 5094677fd09e..baa52e261f0d 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c @@ -21,6 +21,7 @@ #include #include +#include #include #include @@ -144,9 +145,7 @@ static noinline int dcplb_miss(void) d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB; #ifdef CONFIG_BFIN_DCACHE - if (addr < _ramend - DMA_UNCACHED_REGION || - (reserved_mem_dcache_on && addr >= _ramend && - addr < physical_mem_end)) { + if (bfin_addr_dcachable(addr)) { d_data |= CPLB_L1_CHBL | ANOMALY_05000158_WORKAROUND; #ifdef CONFIG_BFIN_WT d_data |= CPLB_L1_AOW | CPLB_WT; -- GitLab From 04be80ef0bab044e89ab04b84ccea14a5dc4543b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:33:53 +0800 Subject: [PATCH 5242/6244] Blackfin arch: move bfin_addr_dcachable() and friends into the cacheflush header where it belongs Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cacheflush.h | 17 +++++++++++++++++ arch/blackfin/include/asm/cplbinit.h | 17 ----------------- arch/blackfin/kernel/cplb-nompu/cplbinit.c | 1 + 3 files changed, 18 insertions(+), 17 deletions(-) diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index 5ef9e35e9c3b..c2d5b6c9fb4d 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -85,4 +85,21 @@ do { memcpy(dst, src, len); \ # define flush_dcache_page(page) do { } while (0) #endif +extern unsigned long reserved_mem_dcache_on; +extern unsigned long reserved_mem_icache_on; + +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} + #endif /* _BLACKFIN_ICACHEFLUSH_H */ diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index d179b747ff03..f845b41147ba 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -87,23 +87,6 @@ extern u_long dpdt_swapcount_table[]; #endif /* CONFIG_MPU */ -extern unsigned long reserved_mem_dcache_on; -extern unsigned long reserved_mem_icache_on; - extern void generate_cplb_tables(void); -static inline int bfin_addr_dcachable(unsigned long addr) -{ -#ifdef CONFIG_BFIN_DCACHE - if (addr < (_ramend - DMA_UNCACHED_REGION)) - return 1; -#endif - - if (reserved_mem_dcache_on && - addr >= _ramend && addr < physical_mem_end) - return 1; - - return 0; -} - #endif diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 301252e84441..512f8c92ead5 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -23,6 +23,7 @@ #include #include +#include #include #include -- GitLab From a65e5d782f9db2a61a914dc01a329e0c2dcf92a1 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 9 Jul 2008 10:28:38 +0200 Subject: [PATCH 5243/6244] remove CONFIG_KMOD from drivers Straight forward conversions to CONFIG_MODULE; many drivers include conditionally and then don't have any other conditional code so remove it from those. Signed-off-by: Johannes Berg Cc: video4linux-list@redhat.com Cc: David Woodhouse Cc: linux-ppp@vger.kernel.org Cc: dm-devel@redhat.com Signed-off-by: Rusty Russell --- drivers/md/md.c | 7 ------- drivers/media/video/cpia.c | 4 ---- drivers/media/video/usbvision/usbvision-core.c | 4 ---- drivers/media/video/usbvision/usbvision-video.c | 4 ---- drivers/media/video/v4l1-compat.c | 4 ---- drivers/media/video/v4l2-common.c | 4 ---- drivers/media/video/vino.c | 5 +---- drivers/media/video/w9968cf.c | 4 ++-- drivers/mtd/mtdpart.c | 2 -- drivers/net/irda/sir_dongle.c | 2 -- drivers/net/ppp_generic.c | 10 +++------- drivers/net/pppox.c | 9 ++------- drivers/video/fbmem.c | 17 ++--------------- 13 files changed, 10 insertions(+), 66 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 0a3a4bdcd4af..3323d7647b48 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -44,14 +44,9 @@ #include #include #include - #include - #include - -#ifdef CONFIG_KMOD #include -#endif #include @@ -3555,12 +3550,10 @@ static int do_md_run(mddev_t * mddev) } } -#ifdef CONFIG_KMOD if (mddev->level != LEVEL_NONE) request_module("md-level-%d", mddev->level); else if (mddev->clevel[0]) request_module("md-%s", mddev->clevel); -#endif /* * Drop all container device buffers, from now on diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c index c325e926de8a..1798b779a25a 100644 --- a/drivers/media/video/cpia.c +++ b/drivers/media/video/cpia.c @@ -39,10 +39,6 @@ #include #include -#ifdef CONFIG_KMOD -#include -#endif - #include "cpia.h" static int video_nr = -1; diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c index b26b563a0b0a..9e4f50639975 100644 --- a/drivers/media/video/usbvision/usbvision-core.c +++ b/drivers/media/video/usbvision/usbvision-core.c @@ -45,10 +45,6 @@ #include -#ifdef CONFIG_KMOD -#include -#endif - #include "usbvision.h" static unsigned int core_debug; diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index e10b256aeba4..77aeb39b2750 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -69,10 +69,6 @@ #include -#ifdef CONFIG_KMOD -#include -#endif - #include "usbvision.h" #include "usbvision-cards.h" diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index 79937d1031fc..928cb4037372 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -36,10 +36,6 @@ #include #include -#ifdef CONFIG_KMOD -#include -#endif - static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable debug messages"); diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 20c3be8617ea..846763d7349e 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -60,10 +60,6 @@ #include #include -#ifdef CONFIG_KMOD -#include -#endif - #include MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr"); diff --git a/drivers/media/video/vino.c b/drivers/media/video/vino.c index 8ec57df1904f..1efc5f3462c6 100644 --- a/drivers/media/video/vino.c +++ b/drivers/media/video/vino.c @@ -30,10 +30,7 @@ #include #include #include - -#ifdef CONFIG_KMOD #include -#endif #include #include @@ -4634,7 +4631,7 @@ static int __init vino_module_init(void) } vino_init_stage++; -#if defined(CONFIG_KMOD) && defined(MODULE) +#ifdef MODULE request_module("saa7191"); request_module("indycam"); #endif diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c index 11edf79f57be..dcd45dbd82dc 100644 --- a/drivers/media/video/w9968cf.c +++ b/drivers/media/video/w9968cf.c @@ -111,7 +111,7 @@ static int specific_debug = W9968CF_SPECIFIC_DEBUG; static unsigned int param_nv[24]; /* number of values per parameter */ -#ifdef CONFIG_KMOD +#ifdef CONFIG_MODULES module_param(ovmod_load, bool, 0644); #endif module_param(simcams, ushort, 0644); @@ -144,7 +144,7 @@ module_param(debug, ushort, 0644); module_param(specific_debug, bool, 0644); #endif -#ifdef CONFIG_KMOD +#ifdef CONFIG_MODULES MODULE_PARM_DESC(ovmod_load, "\n<0|1> Automatic 'ovcamchip' module loading." "\n0 disabled, 1 enabled." diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index edb90b58a9b1..9a06dc93ee0d 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -564,10 +564,8 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types, for ( ; ret <= 0 && *types; types++) { parser = get_partition_parser(*types); -#ifdef CONFIG_KMOD if (!parser && !request_module("%s", *types)) parser = get_partition_parser(*types); -#endif if (!parser) { printk(KERN_NOTICE "%s partition parsing not available\n", *types); diff --git a/drivers/net/irda/sir_dongle.c b/drivers/net/irda/sir_dongle.c index 36030241f7a9..2a9930e6e2af 100644 --- a/drivers/net/irda/sir_dongle.c +++ b/drivers/net/irda/sir_dongle.c @@ -67,9 +67,7 @@ int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type) const struct dongle_driver *drv = NULL; int err = -EINVAL; -#ifdef CONFIG_KMOD request_module("irda-dongle-%d", type); -#endif if (dev->dongle_drv != NULL) return -EBUSY; diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 0ca0fcbb7c01..94818ee3cef5 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -2127,13 +2127,9 @@ ppp_set_compress(struct ppp *ppp, unsigned long arg) || ccp_option[1] < 2 || ccp_option[1] > data.length) goto out; - cp = find_compressor(ccp_option[0]); -#ifdef CONFIG_KMOD - if (!cp) { - request_module("ppp-compress-%d", ccp_option[0]); - cp = find_compressor(ccp_option[0]); - } -#endif /* CONFIG_KMOD */ + cp = try_then_request_module( + find_compressor(ccp_option[0]), + "ppp-compress-%d", ccp_option[0]); if (!cp) goto out; diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c index c6898c1fc54d..03aecc97fb45 100644 --- a/drivers/net/pppox.c +++ b/drivers/net/pppox.c @@ -115,13 +115,8 @@ static int pppox_create(struct net *net, struct socket *sock, int protocol) goto out; rc = -EPROTONOSUPPORT; -#ifdef CONFIG_KMOD - if (!pppox_protos[protocol]) { - char buffer[32]; - sprintf(buffer, "pppox-proto-%d", protocol); - request_module(buffer); - } -#endif + if (!pppox_protos[protocol]) + request_module("pppox-proto-%d", protocol); if (!pppox_protos[protocol] || !try_module_get(pppox_protos[protocol]->owner)) goto out; diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 0737570030f5..3f18bb9abad0 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -28,9 +28,7 @@ #include #include #include -#ifdef CONFIG_KMOD #include -#endif #include #include #include @@ -837,13 +835,6 @@ fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) return (cnt) ? cnt : err; } -#ifdef CONFIG_KMOD -static void try_to_load(int fb) -{ - request_module("fb%d", fb); -} -#endif /* CONFIG_KMOD */ - int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var) { @@ -1086,10 +1077,8 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, return -EINVAL; if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) return -EINVAL; -#ifdef CONFIG_KMOD if (!registered_fb[con2fb.framebuffer]) - try_to_load(con2fb.framebuffer); -#endif /* CONFIG_KMOD */ + request_module("fb%d", con2fb.framebuffer); if (!registered_fb[con2fb.framebuffer]) return -EINVAL; event.info = info; @@ -1327,10 +1316,8 @@ fb_open(struct inode *inode, struct file *file) if (fbidx >= FB_MAX) return -ENODEV; lock_kernel(); -#ifdef CONFIG_KMOD if (!(info = registered_fb[fbidx])) - try_to_load(fbidx); -#endif /* CONFIG_KMOD */ + request_module("fb%d", fbidx); if (!(info = registered_fb[fbidx])) { res = -ENODEV; goto out; -- GitLab From 5f4123be3cdb1dbd77fa9d6d2bb96bb9689a0a19 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 9 Jul 2008 10:28:40 +0200 Subject: [PATCH 5244/6244] remove CONFIG_KMOD from fs Just always compile the code when the kernel is modular. Convert load_nls to use try_then_request_module to tidy up the code. Signed-off-by: Johannes Berg Signed-off-by: Rusty Russell --- fs/char_dev.c | 3 --- fs/exec.c | 9 +++------ fs/nls/nls_base.c | 21 +-------------------- 3 files changed, 4 insertions(+), 29 deletions(-) diff --git a/fs/char_dev.c b/fs/char_dev.c index 3cb7cda3d780..262fa10e213d 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -22,9 +22,6 @@ #include #include -#ifdef CONFIG_KMOD -#include -#endif #include "internal.h" /* diff --git a/fs/exec.c b/fs/exec.c index cecee501ce78..9811679b0695 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -50,15 +50,12 @@ #include #include #include +#include #include #include #include -#ifdef CONFIG_KMOD -#include -#endif - #ifdef __alpha__ /* for /sbin/loader handling in search_binary_handler() */ #include @@ -1247,8 +1244,8 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) read_unlock(&binfmt_lock); if (retval != -ENOEXEC || bprm->mm == NULL) { break; -#ifdef CONFIG_KMOD - }else{ +#ifdef CONFIG_MODULES + } else { #define printable(c) (((c)=='\t') || ((c)=='\n') || (0x20<=(c) && (c)<=0x7e)) if (printable(bprm->buf[0]) && printable(bprm->buf[1]) && diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c index 64965e1c21c4..9b0efdad8910 100644 --- a/fs/nls/nls_base.c +++ b/fs/nls/nls_base.c @@ -13,9 +13,7 @@ #include #include #include -#ifdef CONFIG_KMOD #include -#endif #include static struct nls_table default_table; @@ -215,24 +213,7 @@ static struct nls_table *find_nls(char *charset) struct nls_table *load_nls(char *charset) { - struct nls_table *nls; -#ifdef CONFIG_KMOD - int ret; -#endif - - nls = find_nls(charset); - if (nls) - return nls; - -#ifdef CONFIG_KMOD - ret = request_module("nls_%s", charset); - if (ret != 0) { - printk("Unable to load NLS charset %s\n", charset); - return NULL; - } - nls = find_nls(charset); -#endif - return nls; + return try_then_request_module(find_nls(charset), "nls_%s", charset); } void unload_nls(struct nls_table *nls) -- GitLab From 118a9069f06ff591d51a3133e242f0c256ba2db7 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 17 Oct 2008 02:38:36 -0500 Subject: [PATCH 5245/6244] module: remove CONFIG_KMOD in comment after #endif Signed-off-by: Rusty Russell --- kernel/kmod.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kmod.c b/kernel/kmod.c index 2456d1a0befb..58f9c2ed36be 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -113,7 +113,7 @@ int request_module(const char *fmt, ...) return ret; } EXPORT_SYMBOL(request_module); -#endif /* CONFIG_KMOD */ +#endif /* CONFIG_MODULES */ struct subprocess_info { struct work_struct work; -- GitLab From 8fb4f8f056977464fa022ff7263ca91af3c2b94d Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:39:12 +0800 Subject: [PATCH 5246/6244] Blackfin arch: update cache flush prototypes with argument names to make them less mysterious Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cacheflush.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index c2d5b6c9fb4d..4403415583fa 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -30,11 +30,11 @@ #ifndef _BLACKFIN_CACHEFLUSH_H #define _BLACKFIN_CACHEFLUSH_H -extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int); -extern void blackfin_icache_flush_range(unsigned int, unsigned int); -extern void blackfin_dcache_flush_range(unsigned int, unsigned int); -extern void blackfin_dcache_invalidate_range(unsigned int, unsigned int); -extern void blackfin_dflush_page(void *); +extern void blackfin_icache_dcache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dcache_invalidate_range(unsigned long start_address, unsigned long end_address); +extern void blackfin_dflush_page(void *page); #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -- GitLab From ed061b7ac8afb1181c6195aa502a8a7ef7ac3015 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:54:43 +0800 Subject: [PATCH 5247/6244] Blackfin arch: disable CONFIG_HW_RANDOM and CONFIG_DAB in defconfig files Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/configs/BF526-EZBRD_defconfig | 2 +- arch/blackfin/configs/BF527-EZKIT_defconfig | 2 +- arch/blackfin/configs/BF533-EZKIT_defconfig | 4 ++-- arch/blackfin/configs/BF533-STAMP_defconfig | 2 +- arch/blackfin/configs/BF537-STAMP_defconfig | 4 ++-- arch/blackfin/configs/BF548-EZKIT_defconfig | 4 ++-- arch/blackfin/configs/BF561-EZKIT_defconfig | 4 ++-- arch/blackfin/configs/CM-BF527_defconfig | 2 +- arch/blackfin/configs/CM-BF533_defconfig | 2 +- arch/blackfin/configs/CM-BF537E_defconfig | 2 +- arch/blackfin/configs/CM-BF537U_defconfig | 2 +- arch/blackfin/configs/CM-BF548_defconfig | 4 ++-- arch/blackfin/configs/CM-BF561_defconfig | 2 +- 13 files changed, 18 insertions(+), 18 deletions(-) diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig index c33bf6f83813..4443a47e516f 100644 --- a/arch/blackfin/configs/BF526-EZBRD_defconfig +++ b/arch/blackfin/configs/BF526-EZBRD_defconfig @@ -748,7 +748,7 @@ CONFIG_BFIN_OTP=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig index 66854a83c0de..4a2a660a6b35 100644 --- a/arch/blackfin/configs/BF527-EZKIT_defconfig +++ b/arch/blackfin/configs/BF527-EZKIT_defconfig @@ -772,7 +772,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig index 6bc11db12690..deeb5e45effb 100644 --- a/arch/blackfin/configs/BF533-EZKIT_defconfig +++ b/arch/blackfin/configs/BF533-EZKIT_defconfig @@ -674,7 +674,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -740,7 +740,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig index d77d991a1f61..c23267ed880b 100644 --- a/arch/blackfin/configs/BF533-STAMP_defconfig +++ b/arch/blackfin/configs/BF533-STAMP_defconfig @@ -681,7 +681,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig index 5fd7c4b143df..63a0f854745c 100644 --- a/arch/blackfin/configs/BF537-STAMP_defconfig +++ b/arch/blackfin/configs/BF537-STAMP_defconfig @@ -731,7 +731,7 @@ CONFIG_CAN4LINUX=y # CONFIG_CAN_UNCTWINCAN is not set CONFIG_CAN_BLACKFIN=m # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -871,7 +871,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig index 390669e8668e..bf63660815b9 100644 --- a/arch/blackfin/configs/BF548-EZKIT_defconfig +++ b/arch/blackfin/configs/BF548-EZKIT_defconfig @@ -855,7 +855,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -1001,7 +1001,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # CONFIG_USB_DABUSB is not set # diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig index 976a4d7ba175..3c70d6230a12 100644 --- a/arch/blackfin/configs/BF561-EZKIT_defconfig +++ b/arch/blackfin/configs/BF561-EZKIT_defconfig @@ -719,7 +719,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -785,7 +785,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/CM-BF527_defconfig b/arch/blackfin/configs/CM-BF527_defconfig index 0799aa9bba9d..b6a14635fb91 100644 --- a/arch/blackfin/configs/CM-BF527_defconfig +++ b/arch/blackfin/configs/CM-BF527_defconfig @@ -679,7 +679,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set diff --git a/arch/blackfin/configs/CM-BF533_defconfig b/arch/blackfin/configs/CM-BF533_defconfig index 09deea44480b..c3ba9066b935 100644 --- a/arch/blackfin/configs/CM-BF533_defconfig +++ b/arch/blackfin/configs/CM-BF533_defconfig @@ -672,7 +672,7 @@ CONFIG_HWMON=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/CM-BF537E_defconfig b/arch/blackfin/configs/CM-BF537E_defconfig index 219fc345a5f5..cdc6b7feb59e 100644 --- a/arch/blackfin/configs/CM-BF537E_defconfig +++ b/arch/blackfin/configs/CM-BF537E_defconfig @@ -703,7 +703,7 @@ CONFIG_HWMON=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/CM-BF537U_defconfig b/arch/blackfin/configs/CM-BF537U_defconfig index 9873d586fc77..f074bdcd1ce5 100644 --- a/arch/blackfin/configs/CM-BF537U_defconfig +++ b/arch/blackfin/configs/CM-BF537U_defconfig @@ -683,7 +683,7 @@ CONFIG_HWMON=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support diff --git a/arch/blackfin/configs/CM-BF548_defconfig b/arch/blackfin/configs/CM-BF548_defconfig index 0e3605fdb7b0..5c44fdb8e6e3 100644 --- a/arch/blackfin/configs/CM-BF548_defconfig +++ b/arch/blackfin/configs/CM-BF548_defconfig @@ -762,7 +762,7 @@ CONFIG_UNIX98_PTYS=y # # CONFIG_CAN4LINUX is not set # CONFIG_IPMI_HANDLER is not set -CONFIG_HW_RANDOM=y +# CONFIG_HW_RANDOM is not set # CONFIG_GEN_RTC is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -909,7 +909,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # CONFIG_USB_DABUSB is not set # diff --git a/arch/blackfin/configs/CM-BF561_defconfig b/arch/blackfin/configs/CM-BF561_defconfig index 59c7cdbee904..086fe5dda495 100644 --- a/arch/blackfin/configs/CM-BF561_defconfig +++ b/arch/blackfin/configs/CM-BF561_defconfig @@ -684,7 +684,7 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VIDEO_DEV is not set # CONFIG_DVB_CORE is not set -CONFIG_DAB=y +# CONFIG_DAB is not set # # Graphics support -- GitLab From 1390da4ee75168b6e4d8354e93e3b5f0a0291f2f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 16 Oct 2008 23:55:41 +0800 Subject: [PATCH 5248/6244] Blackfin arch: make sure cycles is marked as volatile so gcc doesnt reorder on us Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/timex.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/blackfin/include/asm/timex.h b/arch/blackfin/include/asm/timex.h index 22b0806161bb..248aeb066805 100644 --- a/arch/blackfin/include/asm/timex.h +++ b/arch/blackfin/include/asm/timex.h @@ -16,7 +16,7 @@ typedef unsigned long long cycles_t; static inline cycles_t get_cycles(void) { unsigned long tmp, tmp2; - __asm__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); + __asm__ __volatile__("%0 = cycles; %1 = cycles2;" : "=d"(tmp), "=d"(tmp2)); return tmp | ((cycles_t)tmp2 << 32); } -- GitLab From e94320939f44e0cbaccc3f259a5778abced4949c Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 23 Sep 2008 23:51:11 +0400 Subject: [PATCH 5249/6244] modules: fix module "notes" kobject leak Fix "notes" kobject leak It happens every rmmod if KALLSYMS=y and SYSFS=y. # modprobe foo kobject: 'foo' (ffffffffa00743d0): kobject_add_internal: parent: 'module', set: 'module' kobject: 'holders' (ffff88017e7c5770): kobject_add_internal: parent: 'foo', set: '' kobject: 'foo' (ffffffffa00743d0): kobject_uevent_env kobject: 'foo' (ffffffffa00743d0): fill_kobj_path: path = '/module/foo' kobject: 'notes' (ffff88017fa9b668): kobject_add_internal: parent: 'foo', set: '' ^^^^^ # rmmod foo kobject: 'holders' (ffff88017e7c5770): kobject_cleanup kobject: 'holders' (ffff88017e7c5770): auto cleanup kobject_del kobject: 'holders' (ffff88017e7c5770): calling ktype release kobject: (ffff88017e7c5770): dynamic_kobj_release kobject: 'holders': free name kobject: 'foo' (ffffffffa00743d0): kobject_cleanup kobject: 'foo' (ffffffffa00743d0): does not have a release() function, it is broken and must be fixed. kobject: 'foo' (ffffffffa00743d0): auto cleanup 'remove' event kobject: 'foo' (ffffffffa00743d0): kobject_uevent_env kobject: 'foo' (ffffffffa00743d0): fill_kobj_path: path = '/module/foo' kobject: 'foo' (ffffffffa00743d0): auto cleanup kobject_del kobject: 'foo': free name [whooops] Signed-off-by: Alexey Dobriyan Cc: stable Signed-off-by: Greg Kroah-Hartman --- kernel/module.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/module.c b/kernel/module.c index 9db11911e04b..d5fcd24e5aff 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1173,7 +1173,7 @@ static void free_notes_attrs(struct module_notes_attrs *notes_attrs, while (i-- > 0) sysfs_remove_bin_file(notes_attrs->dir, ¬es_attrs->attrs[i]); - kobject_del(notes_attrs->dir); + kobject_put(notes_attrs->dir); } kfree(notes_attrs); } -- GitLab From ae87221d3ce49d9de1e43756da834fd0bf05a2ad Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Fri, 24 Aug 2007 16:11:54 -0700 Subject: [PATCH 5250/6244] sysfs: crash debugging Print the name of the last-accessed sysfs file when we oops, to help track down oopses which occur in sysfs store/read handlers. Because these oopses tend to not leave any trace of the offending code in the stack traces. Cc: Kay Sievers Cc: Mathieu Desnoyers Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/dumpstack_32.c | 2 ++ arch/x86/kernel/dumpstack_64.c | 2 ++ fs/sysfs/file.c | 13 +++++++++++++ include/linux/sysfs.h | 6 ++++++ 4 files changed, 23 insertions(+) diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 201ee359a1a9..1a78180f08d3 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -13,6 +13,7 @@ #include #include #include +#include #include @@ -343,6 +344,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) printk("DEBUG_PAGEALLOC"); #endif printk("\n"); + sysfs_printk_last_file(); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) return 1; diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 086cc8118e39..96a5db7da8a7 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -13,6 +13,7 @@ #include #include #include +#include #include @@ -489,6 +490,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) printk("DEBUG_PAGEALLOC"); #endif printk("\n"); + sysfs_printk_last_file(); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) return 1; diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index c9e4e5091da1..ce8339c70a4b 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -19,10 +19,18 @@ #include #include #include +#include #include #include "sysfs.h" +/* used in crash dumps to help with debugging */ +static char last_sysfs_file[PATH_MAX]; +void sysfs_printk_last_file(void) +{ + printk(KERN_EMERG "last sysfs file: %s\n", last_sysfs_file); +} + /* * There's one sysfs_buffer for each open file and one * sysfs_open_dirent for each sysfs_dirent with one or more open @@ -328,6 +336,11 @@ static int sysfs_open_file(struct inode *inode, struct file *file) struct sysfs_buffer *buffer; struct sysfs_ops *ops; int error = -EACCES; + char *p; + + p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file)); + if (p) + memmove(last_sysfs_file, p, strlen(p) + 1); /* need attr_sd for attr and ops, its parent for kobj */ if (!sysfs_get_active_two(attr_sd)) diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 37fa24152bd8..8ec406afb3eb 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -119,6 +119,8 @@ void sysfs_remove_file_from_group(struct kobject *kobj, void sysfs_notify(struct kobject *kobj, char *dir, char *attr); +void sysfs_printk_last_file(void); + extern int __must_check sysfs_init(void); #else /* CONFIG_SYSFS */ @@ -231,6 +233,10 @@ static inline int __must_check sysfs_init(void) return 0; } +static inline void sysfs_printk_last_file(void) +{ +} + #endif /* CONFIG_SYSFS */ #endif /* _SYSFS_H_ */ -- GitLab From 1ff9f542e5f87c299226557ce5e67a402ed4b502 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5251/6244] device create: block: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman --- block/bsg.c | 3 +-- drivers/block/aoe/aoechr.c | 6 +++--- drivers/block/paride/pg.c | 5 ++--- drivers/block/paride/pt.c | 10 ++++------ drivers/block/pktcdvd.c | 5 ++--- 5 files changed, 12 insertions(+), 17 deletions(-) diff --git a/block/bsg.c b/block/bsg.c index 56cb343c76d8..034112bfe1f3 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -1024,8 +1024,7 @@ int bsg_register_queue(struct request_queue *q, struct device *parent, bcd->release = release; kref_init(&bcd->ref); dev = MKDEV(bsg_major, bcd->minor); - class_dev = device_create_drvdata(bsg_class, parent, dev, NULL, - "%s", devname); + class_dev = device_create(bsg_class, parent, dev, NULL, "%s", devname); if (IS_ERR(class_dev)) { ret = PTR_ERR(class_dev); goto put_dev; diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c index 1f56d2c5b7fc..200efc4d2c1e 100644 --- a/drivers/block/aoe/aoechr.c +++ b/drivers/block/aoe/aoechr.c @@ -284,9 +284,9 @@ aoechr_init(void) return PTR_ERR(aoe_class); } for (i = 0; i < ARRAY_SIZE(chardevs); ++i) - device_create_drvdata(aoe_class, NULL, - MKDEV(AOE_MAJOR, chardevs[i].minor), - NULL, chardevs[i].name); + device_create(aoe_class, NULL, + MKDEV(AOE_MAJOR, chardevs[i].minor), NULL, + chardevs[i].name); return 0; } diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index d731ca42f802..9dfa27163001 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -686,9 +686,8 @@ static int __init pg_init(void) for (unit = 0; unit < PG_UNITS; unit++) { struct pg *dev = &devices[unit]; if (dev->present) - device_create_drvdata(pg_class, NULL, - MKDEV(major, unit), NULL, - "pg%u", unit); + device_create(pg_class, NULL, MKDEV(major, unit), NULL, + "pg%u", unit); } err = 0; goto out; diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c index 673b8b2fd337..5ae229656eaa 100644 --- a/drivers/block/paride/pt.c +++ b/drivers/block/paride/pt.c @@ -979,12 +979,10 @@ static int __init pt_init(void) for (unit = 0; unit < PT_UNITS; unit++) if (pt[unit].present) { - device_create_drvdata(pt_class, NULL, - MKDEV(major, unit), NULL, - "pt%d", unit); - device_create_drvdata(pt_class, NULL, - MKDEV(major, unit + 128), NULL, - "pt%dn", unit); + device_create(pt_class, NULL, MKDEV(major, unit), NULL, + "pt%d", unit); + device_create(pt_class, NULL, MKDEV(major, unit + 128), + NULL, "pt%dn", unit); } goto out; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 0e077150568b..195ca7c720f5 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -302,9 +302,8 @@ static struct kobj_type kobj_pkt_type_wqueue = { static void pkt_sysfs_dev_new(struct pktcdvd_device *pd) { if (class_pktcdvd) { - pd->dev = device_create_drvdata(class_pktcdvd, NULL, - pd->pkt_dev, NULL, - "%s", pd->name); + pd->dev = device_create(class_pktcdvd, NULL, pd->pkt_dev, NULL, + "%s", pd->name); if (IS_ERR(pd->dev)) pd->dev = NULL; } -- GitLab From 03457cd455d042c9ee4cc47c1ed4532257980693 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5252/6244] device create: char: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman --- drivers/char/bsr.c | 5 ++--- drivers/char/dsp56k.c | 4 ++-- drivers/char/ip2/ip2main.c | 12 ++++++------ drivers/char/ipmi/ipmi_devintf.c | 2 +- drivers/char/istallion.c | 5 ++--- drivers/char/lp.c | 4 ++-- drivers/char/mem.c | 6 +++--- drivers/char/misc.c | 4 ++-- drivers/char/pcmcia/cm4000_cs.c | 2 +- drivers/char/pcmcia/cm4040_cs.c | 3 +-- drivers/char/ppdev.c | 5 ++--- drivers/char/raw.c | 7 +++---- drivers/char/snsc.c | 4 ++-- drivers/char/stallion.c | 4 ++-- drivers/char/tty_io.c | 2 +- drivers/char/vc_screen.c | 12 ++++++------ drivers/char/viotape.c | 8 ++++---- drivers/char/xilinx_hwicap/xilinx_hwicap.c | 3 +-- 18 files changed, 43 insertions(+), 49 deletions(-) diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c index b650b4e48e50..456f54db73e2 100644 --- a/drivers/char/bsr.c +++ b/drivers/char/bsr.c @@ -229,9 +229,8 @@ static int bsr_create_devs(struct device_node *bn) if (result) goto out_err; - cur->bsr_device = device_create_drvdata(bsr_class, NULL, - cur->bsr_dev, - cur, cur->bsr_name); + cur->bsr_device = device_create(bsr_class, NULL, cur->bsr_dev, + cur, cur->bsr_name); if (!cur->bsr_device) { printk(KERN_ERR "device_create failed for %s\n", cur->bsr_name); diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index ca7c72a486b2..85832ab924e6 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -508,8 +508,8 @@ static int __init dsp56k_init_driver(void) err = PTR_ERR(dsp56k_class); goto out_chrdev; } - device_create_drvdata(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), - NULL, "dsp56k"); + device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL, + "dsp56k"); printk(banner); goto out; diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index 6774572d3759..70e0ebc30bd0 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -745,12 +745,12 @@ static int __init ip2_loadmain(void) pB = i2BoardPtrTable[i]; if (pB != NULL) { - device_create_drvdata(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i), - NULL, "ipl%d", i); - device_create_drvdata(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i + 1), - NULL, "stat%d", i); + device_create(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i), + NULL, "ipl%d", i); + device_create(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i + 1), + NULL, "stat%d", i); for (box = 0; box < ABS_MAX_BOXES; box++) for (j = 0; j < ABS_BIGGEST_BOX; j++) diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 64e1c169e826..835a33c8d5f5 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -871,7 +871,7 @@ static void ipmi_new_smi(int if_num, struct device *device) entry->dev = dev; mutex_lock(®_list_mutex); - device_create_drvdata(ipmi_class, device, dev, NULL, "ipmi%d", if_num); + device_create(ipmi_class, device, dev, NULL, "ipmi%d", if_num); list_add(&entry->link, ®_list); mutex_unlock(®_list_mutex); } diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 505d7a1f6b8c..44e5d60f517e 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -4600,9 +4600,8 @@ static int __init istallion_module_init(void) istallion_class = class_create(THIS_MODULE, "staliomem"); for (i = 0; i < 4; i++) - device_create_drvdata(istallion_class, NULL, - MKDEV(STL_SIOMEMMAJOR, i), - NULL, "staliomem%d", i); + device_create(istallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); return 0; err_deinit: diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 3f2719b9f77b..e444c2dba160 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -813,8 +813,8 @@ static int lp_register(int nr, struct parport *port) if (reset) lp_reset(nr); - device_create_drvdata(lp_class, port->dev, MKDEV(LP_MAJOR, nr), NULL, - "lp%d", nr); + device_create(lp_class, port->dev, MKDEV(LP_MAJOR, nr), NULL, + "lp%d", nr); printk(KERN_INFO "lp%d: using %s (%s).\n", nr, port->name, (port->irq == PARPORT_IRQ_NONE)?"polling":"interrupt-driven"); diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 672b08e694d0..6431f6921a67 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -992,9 +992,9 @@ static int __init chr_dev_init(void) mem_class = class_create(THIS_MODULE, "mem"); for (i = 0; i < ARRAY_SIZE(devlist); i++) - device_create_drvdata(mem_class, NULL, - MKDEV(MEM_MAJOR, devlist[i].minor), - NULL, devlist[i].name); + device_create(mem_class, NULL, + MKDEV(MEM_MAJOR, devlist[i].minor), NULL, + devlist[i].name); return 0; } diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 999aa779c08a..a5e0db9d7662 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -217,8 +217,8 @@ int misc_register(struct miscdevice * misc) misc_minors[misc->minor >> 3] |= 1 << (misc->minor & 7); dev = MKDEV(MISC_MAJOR, misc->minor); - misc->this_device = device_create_drvdata(misc_class, misc->parent, - dev, NULL, "%s", misc->name); + misc->this_device = device_create(misc_class, misc->parent, dev, NULL, + "%s", misc->name); if (IS_ERR(misc->this_device)) { err = PTR_ERR(misc->this_device); goto out; diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 1c5bf99895ed..dbb912574569 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1871,7 +1871,7 @@ static int cm4000_probe(struct pcmcia_device *link) return ret; } - device_create_drvdata(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); + device_create(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); return 0; } diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 2d7c906435b7..4f0723b07974 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -637,8 +637,7 @@ static int reader_probe(struct pcmcia_device *link) return ret; } - device_create_drvdata(cmx_class, NULL, MKDEV(major, i), NULL, - "cmx%d", i); + device_create(cmx_class, NULL, MKDEV(major, i), NULL, "cmx%d", i); return 0; } diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index bee39fdfba73..c84c34fb1231 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -760,9 +760,8 @@ static const struct file_operations pp_fops = { static void pp_attach(struct parport *port) { - device_create_drvdata(ppdev_class, port->dev, - MKDEV(PP_MAJOR, port->number), - NULL, "parport%d", port->number); + device_create(ppdev_class, port->dev, MKDEV(PP_MAJOR, port->number), + NULL, "parport%d", port->number); } static void pp_detach(struct parport *port) diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 47b8cf281d4a..e139372d0e69 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -131,8 +131,8 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); - device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), - NULL, "raw%d", rq->raw_minor); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), NULL, + "raw%d", rq->raw_minor); } /* @@ -283,8 +283,7 @@ static int __init raw_init(void) ret = PTR_ERR(raw_class); goto error_region; } - device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, - "rawctl"); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl"); return 0; diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 3ce60df14c0a..32b74de18f5f 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -444,8 +444,8 @@ scdrv_init(void) continue; } - device_create_drvdata(snsc_class, NULL, dev, NULL, - "%s", devname); + device_create(snsc_class, NULL, dev, NULL, + "%s", devname); ia64_sn_irtr_intr_enable(scd->scd_nasid, 0 /*ignored */ , diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 8b8f07a7f505..963b03fb29e5 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -4743,8 +4743,8 @@ static int __init stallion_module_init(void) if (IS_ERR(stallion_class)) printk("STALLION: failed to create class\n"); for (i = 0; i < 4; i++) - device_create_drvdata(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), - NULL, "staliomem%d", i); + device_create(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); return 0; err_unrtty: diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 3f48d88cffc0..59f472143f08 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2850,7 +2850,7 @@ struct device *tty_register_device(struct tty_driver *driver, unsigned index, else tty_line_name(driver, index, name); - return device_create_drvdata(tty_class, device, dev, NULL, name); + return device_create(tty_class, device, dev, NULL, name); } EXPORT_SYMBOL(tty_register_device); diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index c2ae52dd53d1..4f3b3f95fc42 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -481,10 +481,10 @@ static struct class *vc_class; void vcs_make_sysfs(struct tty_struct *tty) { - device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), - NULL, "vcs%u", tty->index + 1); - device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), - NULL, "vcsa%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), NULL, + "vcs%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), NULL, + "vcsa%u", tty->index + 1); } void vcs_remove_sysfs(struct tty_struct *tty) @@ -499,7 +499,7 @@ int __init vcs_init(void) panic("unable to get major %d for vcs device", VCS_MAJOR); vc_class = class_create(THIS_MODULE, "vc"); - device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); - device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); return 0; } diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index 7a70a40ad639..ffc9254f7e02 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -886,10 +886,10 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id) state[i].cur_part = 0; for (j = 0; j < MAX_PARTITIONS; ++j) state[i].part_stat_rwi[j] = VIOT_IDLE; - device_create_drvdata(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), - NULL, "iseries!vt%d", i); - device_create_drvdata(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80), - NULL, "iseries!nvt%d", i); + device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), NULL, + "iseries!vt%d", i); + device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80), NULL, + "iseries!nvt%d", i); printk(VIOTAPE_KERN_INFO "tape iseries/vt%d is iSeries " "resource %10.10s type %4.4s, model %3.3s\n", i, viotape_unitinfo[i].rsrcname, diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 278c9857bcf5..ed132fe55d3d 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -657,8 +657,7 @@ static int __devinit hwicap_setup(struct device *dev, int id, goto failed3; } - device_create_drvdata(icap_class, dev, devt, NULL, - "%s%d", DRIVER_NAME, id); + device_create(icap_class, dev, devt, NULL, "%s%d", DRIVER_NAME, id); return 0; /* success */ failed3: -- GitLab From 6229df31b9e7919f3b3217897ae9b9dc8196eb16 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5253/6244] device create: ieee1394: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Ben Collins Acked-by: Stefan Richter Signed-off-by: Greg Kroah-Hartman --- drivers/ieee1394/dv1394.c | 8 ++++---- drivers/ieee1394/raw1394.c | 8 ++++---- drivers/ieee1394/video1394.c | 5 ++--- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index b6eb2cf25914..9236c0d5a122 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -2296,10 +2296,10 @@ static void dv1394_add_host(struct hpsb_host *host) ohci = (struct ti_ohci *)host->hostdata; - device_create_drvdata(hpsb_protocol_class, NULL, - MKDEV(IEEE1394_MAJOR, - IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), NULL, - "dv1394-%d", id); + device_create(hpsb_protocol_class, NULL, + MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), + NULL, "dv1394-%d", id); dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE); dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT); diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index 6fa9e4a21840..c7833bb37ae1 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -3010,10 +3010,10 @@ static int __init init_raw1394(void) hpsb_register_highlevel(&raw1394_highlevel); if (IS_ERR - (device_create_drvdata( - hpsb_protocol_class, NULL, - MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), - NULL, RAW1394_DEVICE_NAME))) { + (device_create(hpsb_protocol_class, NULL, + MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_RAW1394 * 16), + NULL, RAW1394_DEVICE_NAME))) { ret = -EFAULT; goto out_unreg; } diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 25db6e67fa4e..6e73b06eed4f 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -1341,9 +1341,8 @@ static void video1394_add_host (struct hpsb_host *host) hpsb_set_hostinfo_key(&video1394_highlevel, host, ohci->host->id); minor = IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id; - device_create_drvdata(hpsb_protocol_class, NULL, - MKDEV(IEEE1394_MAJOR, minor), NULL, - "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); + device_create(hpsb_protocol_class, NULL, MKDEV(IEEE1394_MAJOR, minor), + NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); } -- GitLab From 91bd418fdc8526ee70a0e8f7970b584c8870ae10 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5254/6244] device create: infiniband: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Roland Dreier Cc: Sean Hefty Cc: Hal Rosenstock Signed-off-by: Greg Kroah-Hartman --- drivers/infiniband/core/cm.c | 6 +++--- drivers/infiniband/core/user_mad.c | 12 ++++++------ drivers/infiniband/core/uverbs_main.c | 9 +++------ drivers/infiniband/hw/ipath/ipath_file_ops.c | 2 +- 4 files changed, 13 insertions(+), 16 deletions(-) diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 3cab0cedfca2..a78d35aecee3 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3691,9 +3691,9 @@ static void cm_add_one(struct ib_device *ib_device) cm_dev->ib_device = ib_device; cm_get_ack_delay(cm_dev); - cm_dev->device = device_create_drvdata(&cm_class, &ib_device->dev, - MKDEV(0, 0), NULL, - "%s", ib_device->name); + cm_dev->device = device_create(&cm_class, &ib_device->dev, + MKDEV(0, 0), NULL, + "%s", ib_device->name); if (!cm_dev->device) { kfree(cm_dev); return; diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 268a2d23b7c9..8c46f2257098 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -1016,9 +1016,9 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, if (cdev_add(port->cdev, base_dev + port->dev_num, 1)) goto err_cdev; - port->dev = device_create_drvdata(umad_class, device->dma_device, - port->cdev->dev, port, - "umad%d", port->dev_num); + port->dev = device_create(umad_class, device->dma_device, + port->cdev->dev, port, + "umad%d", port->dev_num); if (IS_ERR(port->dev)) goto err_cdev; @@ -1036,9 +1036,9 @@ static int ib_umad_init_port(struct ib_device *device, int port_num, if (cdev_add(port->sm_cdev, base_dev + port->dev_num + IB_UMAD_MAX_PORTS, 1)) goto err_sm_cdev; - port->sm_dev = device_create_drvdata(umad_class, device->dma_device, - port->sm_cdev->dev, port, - "issm%d", port->dev_num); + port->sm_dev = device_create(umad_class, device->dma_device, + port->sm_cdev->dev, port, + "issm%d", port->dev_num); if (IS_ERR(port->sm_dev)) goto err_sm_cdev; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index aeee856c4060..d85af1b67027 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -764,12 +764,9 @@ static void ib_uverbs_add_one(struct ib_device *device) if (cdev_add(uverbs_dev->cdev, IB_UVERBS_BASE_DEV + uverbs_dev->devnum, 1)) goto err_cdev; - uverbs_dev->dev = device_create_drvdata(uverbs_class, - device->dma_device, - uverbs_dev->cdev->dev, - uverbs_dev, - "uverbs%d", - uverbs_dev->devnum); + uverbs_dev->dev = device_create(uverbs_class, device->dma_device, + uverbs_dev->cdev->dev, uverbs_dev, + "uverbs%d", uverbs_dev->devnum); if (IS_ERR(uverbs_dev->dev)) goto err_cdev; diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index 56c0eda3c077..1af1f3a907c6 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -2455,7 +2455,7 @@ static int init_cdev(int minor, char *name, const struct file_operations *fops, goto err_cdev; } - device = device_create_drvdata(ipath_class, NULL, dev, NULL, name); + device = device_create(ipath_class, NULL, dev, NULL, name); if (IS_ERR(device)) { ret = PTR_ERR(device); -- GitLab From a9b12619f7b6f19c871437ec24a088787a04b1de Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5255/6244] device create: misc: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman --- arch/mips/kernel/rtlx.c | 4 ++-- arch/mips/sibyte/common/sb_tbprof.c | 3 +-- arch/x86/kernel/cpuid.c | 4 ++-- arch/x86/kernel/msr.c | 4 ++-- drivers/dca/dca-sysfs.c | 8 +++----- drivers/hid/hidraw.c | 5 ++--- drivers/hwmon/hwmon.c | 4 ++-- drivers/i2c/i2c-dev.c | 6 +++--- drivers/isdn/capi/capi.c | 3 +-- drivers/leds/led-class.c | 4 ++-- drivers/macintosh/adb.c | 3 +-- drivers/media/dvb/dvb-core/dvbdev.c | 2 +- drivers/misc/phantom.c | 6 +++--- drivers/mtd/mtdchar.c | 10 ++++------ drivers/power/power_supply_core.c | 4 ++-- drivers/spi/spidev.c | 7 +++---- drivers/uio/uio.c | 6 +++--- fs/coda/psdev.c | 5 ++--- 18 files changed, 39 insertions(+), 49 deletions(-) diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index dfd868b68364..4ce93aa7b372 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -522,8 +522,8 @@ static int __init rtlx_module_init(void) atomic_set(&channel_wqs[i].in_open, 0); mutex_init(&channel_wqs[i].mutex); - dev = device_create_drvdata(mt_class, NULL, MKDEV(major, i), - NULL, "%s%d", module_name, i); + dev = device_create(mt_class, NULL, MKDEV(major, i), NULL, + "%s%d", module_name, i); if (IS_ERR(dev)) { err = PTR_ERR(dev); goto out_chrdev; diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c index 66e3e3fb311f..637a194e5cd5 100644 --- a/arch/mips/sibyte/common/sb_tbprof.c +++ b/arch/mips/sibyte/common/sb_tbprof.c @@ -576,8 +576,7 @@ static int __init sbprof_tb_init(void) tb_class = tbc; - dev = device_create_drvdata(tbc, NULL, MKDEV(SBPROF_TB_MAJOR, 0), - NULL, "tb"); + dev = device_create(tbc, NULL, MKDEV(SBPROF_TB_MAJOR, 0), NULL, "tb"); if (IS_ERR(dev)) { err = PTR_ERR(dev); goto out_class; diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 6a44d6465991..72cefd1e649b 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -147,8 +147,8 @@ static __cpuinit int cpuid_device_create(int cpu) { struct device *dev; - dev = device_create_drvdata(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), - NULL, "cpu%d", cpu); + dev = device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), NULL, + "cpu%d", cpu); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 2e2af5d18191..82a7c7ed6d45 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -163,8 +163,8 @@ static int __cpuinit msr_device_create(int cpu) { struct device *dev; - dev = device_create_drvdata(msr_class, NULL, MKDEV(MSR_MAJOR, cpu), - NULL, "msr%d", cpu); + dev = device_create(msr_class, NULL, MKDEV(MSR_MAJOR, cpu), NULL, + "msr%d", cpu); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } diff --git a/drivers/dca/dca-sysfs.c b/drivers/dca/dca-sysfs.c index 7af4b403bd2d..bb538b9690e0 100644 --- a/drivers/dca/dca-sysfs.c +++ b/drivers/dca/dca-sysfs.c @@ -15,9 +15,8 @@ int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot) struct device *cd; static int req_count; - cd = device_create_drvdata(dca_class, dca->cd, - MKDEV(0, slot + 1), NULL, - "requester%d", req_count++); + cd = device_create(dca_class, dca->cd, MKDEV(0, slot + 1), NULL, + "requester%d", req_count++); if (IS_ERR(cd)) return PTR_ERR(cd); return 0; @@ -48,8 +47,7 @@ idr_try_again: return err; } - cd = device_create_drvdata(dca_class, dev, MKDEV(0, 0), NULL, - "dca%d", dca->id); + cd = device_create(dca_class, dev, MKDEV(0, 0), NULL, "dca%d", dca->id); if (IS_ERR(cd)) { spin_lock(&dca_idr_lock); idr_remove(&dca_idr, dca->id); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 497e0d1dd3c3..af3edb98df43 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -326,9 +326,8 @@ int hidraw_connect(struct hid_device *hid) goto out; } - dev->dev = device_create_drvdata(hidraw_class, NULL, - MKDEV(hidraw_major, minor), NULL, - "%s%d", "hidraw", minor); + dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), + NULL, "%s%d", "hidraw", minor); if (IS_ERR(dev->dev)) { spin_lock(&minors_lock); diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 7321a88a5112..076a59cdabe9 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -55,8 +55,8 @@ again: return ERR_PTR(err); id = id & MAX_ID_MASK; - hwdev = device_create_drvdata(hwmon_class, dev, MKDEV(0, 0), NULL, - HWMON_ID_FORMAT, id); + hwdev = device_create(hwmon_class, dev, MKDEV(0, 0), NULL, + HWMON_ID_FORMAT, id); if (IS_ERR(hwdev)) { spin_lock(&idr_lock); diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 307d976c9b69..c171988a9f51 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -521,9 +521,9 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) return PTR_ERR(i2c_dev); /* register this i2c device with the driver core */ - i2c_dev->dev = device_create_drvdata(i2c_dev_class, &adap->dev, - MKDEV(I2C_MAJOR, adap->nr), - NULL, "i2c-%d", adap->nr); + i2c_dev->dev = device_create(i2c_dev_class, &adap->dev, + MKDEV(I2C_MAJOR, adap->nr), NULL, + "i2c-%d", adap->nr); if (IS_ERR(i2c_dev->dev)) { res = PTR_ERR(i2c_dev->dev); goto error; diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 798d7f3e42ef..1b5bf87c4cf4 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1553,8 +1553,7 @@ static int __init capi_init(void) return PTR_ERR(capi_class); } - device_create_drvdata(capi_class, NULL, MKDEV(capi_major, 0), NULL, - "capi"); + device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi"); #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE if (capinc_tty_init() < 0) { diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 559a40861c39..ee74ee7b2acc 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -103,8 +103,8 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) { int rc; - led_cdev->dev = device_create_drvdata(leds_class, parent, 0, led_cdev, - "%s", led_cdev->name); + led_cdev->dev = device_create(leds_class, parent, 0, led_cdev, + "%s", led_cdev->name); if (IS_ERR(led_cdev->dev)) return PTR_ERR(led_cdev->dev); diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index cae52485208a..23741cec45e3 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -862,8 +862,7 @@ adbdev_init(void) adb_dev_class = class_create(THIS_MODULE, "adb"); if (IS_ERR(adb_dev_class)) return; - device_create_drvdata(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), NULL, - "adb"); + device_create(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), NULL, "adb"); platform_device_register(&adb_pfdev); platform_driver_probe(&adb_pfdrv, adb_dummy_probe); diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index e7132770a3bf..665776d72a48 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -233,7 +233,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, mutex_unlock(&dvbdev_register_lock); - clsdev = device_create_drvdata(dvb_class, adap->device, + clsdev = device_create(dvb_class, adap->device, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), NULL, "dvb%d.%s%d", adap->num, dnames[type], id); if (IS_ERR(clsdev)) { diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c index daf585689ce3..abdebe347383 100644 --- a/drivers/misc/phantom.c +++ b/drivers/misc/phantom.c @@ -399,9 +399,9 @@ static int __devinit phantom_probe(struct pci_dev *pdev, goto err_irq; } - if (IS_ERR(device_create_drvdata(phantom_class, &pdev->dev, - MKDEV(phantom_major, minor), - NULL, "phantom%u", minor))) + if (IS_ERR(device_create(phantom_class, &pdev->dev, + MKDEV(phantom_major, minor), NULL, + "phantom%u", minor))) dev_err(&pdev->dev, "can't create device\n"); pci_set_drvdata(pdev, pht); diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index e00d424e6575..1c74762dec89 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -26,13 +26,11 @@ static void mtd_notify_add(struct mtd_info* mtd) if (!mtd) return; - device_create_drvdata(mtd_class, NULL, - MKDEV(MTD_CHAR_MAJOR, mtd->index*2), - NULL, "mtd%d", mtd->index); + device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2), + NULL, "mtd%d", mtd->index); - device_create_drvdata(mtd_class, NULL, - MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), - NULL, "mtd%dro", mtd->index); + device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), + NULL, "mtd%dro", mtd->index); } static void mtd_notify_remove(struct mtd_info* mtd) diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index cb1ccb472921..3007695f90c8 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -91,8 +91,8 @@ int power_supply_register(struct device *parent, struct power_supply *psy) { int rc = 0; - psy->dev = device_create_drvdata(power_supply_class, parent, 0, - psy, "%s", psy->name); + psy->dev = device_create(power_supply_class, parent, 0, psy, + "%s", psy->name); if (IS_ERR(psy->dev)) { rc = PTR_ERR(psy->dev); goto dev_create_failed; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index e5e0cfed5e3b..89a43755a453 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -583,10 +583,9 @@ static int spidev_probe(struct spi_device *spi) struct device *dev; spidev->devt = MKDEV(SPIDEV_MAJOR, minor); - dev = device_create_drvdata(spidev_class, &spi->dev, - spidev->devt, spidev, - "spidev%d.%d", - spi->master->bus_num, spi->chip_select); + dev = device_create(spidev_class, &spi->dev, spidev->devt, + spidev, "spidev%d.%d", + spi->master->bus_num, spi->chip_select); status = IS_ERR(dev) ? PTR_ERR(dev) : 0; } else { dev_dbg(&spi->dev, "no minor number available!\n"); diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 3a6934bf7131..9ac22c7c3854 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -682,9 +682,9 @@ int __uio_register_device(struct module *owner, if (ret) goto err_get_minor; - idev->dev = device_create_drvdata(uio_class->class, parent, - MKDEV(uio_major, idev->minor), idev, - "uio%d", idev->minor); + idev->dev = device_create(uio_class->class, parent, + MKDEV(uio_major, idev->minor), idev, + "uio%d", idev->minor); if (IS_ERR(idev->dev)) { printk(KERN_ERR "UIO: device register failed\n"); ret = PTR_ERR(idev->dev); diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c index 0d9b80ec689c..cfd29da714d1 100644 --- a/fs/coda/psdev.c +++ b/fs/coda/psdev.c @@ -362,9 +362,8 @@ static int init_coda_psdev(void) goto out_chrdev; } for (i = 0; i < MAX_CODADEVS; i++) - device_create_drvdata(coda_psdev_class, NULL, - MKDEV(CODA_PSDEV_MAJOR, i), - NULL, "cfs%d", i); + device_create(coda_psdev_class, NULL, + MKDEV(CODA_PSDEV_MAJOR, i), NULL, "cfs%d", i); coda_sysctl_init(); goto out; -- GitLab From 6e05d6c4676408b46b01eef29fd472b89ba1f98a Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5256/6244] device create: net: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/net/ppp_generic.c | 4 ++-- drivers/net/wan/cosa.c | 4 ++-- drivers/net/wireless/mac80211_hwsim.c | 6 +++--- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 0ca0fcbb7c01..03d027c68879 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -866,8 +866,8 @@ static int __init ppp_init(void) err = PTR_ERR(ppp_class); goto out_chrdev; } - device_create_drvdata(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), - NULL, "ppp"); + device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), NULL, + "ppp"); } out: diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index f14051556c87..7f97f8d08c39 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -388,8 +388,8 @@ static int __init cosa_init(void) goto out_chrdev; } for (i = 0; i < nr_cards; i++) - device_create_drvdata(cosa_class, NULL, MKDEV(cosa_major, i), - NULL, "cosa%d", i); + device_create(cosa_class, NULL, MKDEV(cosa_major, i), NULL, + "cosa%d", i); err = 0; goto out; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index c9e4a435b2fc..1a019e98dac3 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -533,11 +533,11 @@ static int __init init_mac80211_hwsim(void) data = hw->priv; data->hw = hw; - data->dev = device_create_drvdata(hwsim_class, NULL, 0, hw, - "hwsim%d", i); + data->dev = device_create(hwsim_class, NULL, 0, hw, + "hwsim%d", i); if (IS_ERR(data->dev)) { printk(KERN_DEBUG - "mac80211_hwsim: device_create_drvdata " + "mac80211_hwsim: device_create " "failed (%ld)\n", PTR_ERR(data->dev)); err = -ENOMEM; goto failed_drvdata; -- GitLab From ea9e42f627a45f979b4977009724eb114406e3c7 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5257/6244] device create: s390: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Martin Schwidefsky Cc: Heiko Carstens Signed-off-by: Greg Kroah-Hartman --- drivers/s390/char/raw3270.c | 14 ++++++-------- drivers/s390/char/tape_class.c | 6 +++--- drivers/s390/char/vmlogrdr.c | 8 ++++---- drivers/s390/char/vmur.c | 5 ++--- 4 files changed, 15 insertions(+), 18 deletions(-) diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 1792b2c0130e..0b15cf107ec9 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1168,19 +1168,17 @@ static int raw3270_create_attributes(struct raw3270 *rp) if (rc) goto out; - rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev, - MKDEV(IBM_TTY3270_MAJOR, rp->minor), - NULL, - "tty%s", dev_name(&rp->cdev->dev)); + rp->clttydev = device_create(class3270, &rp->cdev->dev, + MKDEV(IBM_TTY3270_MAJOR, rp->minor), NULL, + "tty%s", dev_name(&rp->cdev->dev)); if (IS_ERR(rp->clttydev)) { rc = PTR_ERR(rp->clttydev); goto out_ttydev; } - rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev, - MKDEV(IBM_FS3270_MAJOR, rp->minor), - NULL, - "tub%s", dev_name(&rp->cdev->dev)); + rp->cltubdev = device_create(class3270, &rp->cdev->dev, + MKDEV(IBM_FS3270_MAJOR, rp->minor), NULL, + "tub%s", dev_name(&rp->cdev->dev)); if (!IS_ERR(rp->cltubdev)) goto out; diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 12c2a5aaf31b..ddc914ccea8f 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -69,9 +69,9 @@ struct tape_class_device *register_tape_dev( if (rc) goto fail_with_cdev; - tcd->class_device = device_create_drvdata(tape_class, device, - tcd->char_device->dev, - NULL, "%s", tcd->device_name); + tcd->class_device = device_create(tape_class, device, + tcd->char_device->dev, NULL, + "%s", tcd->device_name); rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0; if (rc) goto fail_with_cdev; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 42173cc34610..24762727bc27 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -747,10 +747,10 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) device_unregister(dev); return ret; } - priv->class_device = device_create_drvdata(vmlogrdr_class, dev, - MKDEV(vmlogrdr_major, - priv->minor_num), - priv, "%s", dev_name(dev)); + priv->class_device = device_create(vmlogrdr_class, dev, + MKDEV(vmlogrdr_major, + priv->minor_num), + priv, "%s", dev_name(dev)); if (IS_ERR(priv->class_device)) { ret = PTR_ERR(priv->class_device); priv->class_device=NULL; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 6fdfa5ddeca8..9020eba620ee 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -896,9 +896,8 @@ static int ur_set_online(struct ccw_device *cdev) goto fail_free_cdev; } - urd->device = device_create_drvdata(vmur_class, NULL, - urd->char_device->dev, NULL, - "%s", node_id); + urd->device = device_create(vmur_class, NULL, urd->char_device->dev, + NULL, "%s", node_id); if (IS_ERR(urd->device)) { rc = PTR_ERR(urd->device); TRACE("ur_set_online: device_create rc=%d\n", rc); -- GitLab From d73a1a674b5383bb3b38ae3dd625504ffc623d90 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5258/6244] device create: scsi: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: James E.J. Bottomley Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/ch.c | 6 +++--- drivers/scsi/dpt_i2o.c | 2 +- drivers/scsi/osst.c | 3 ++- drivers/scsi/sg.c | 10 ++++------ drivers/scsi/st.c | 11 ++++------- 5 files changed, 14 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 3c257fe0893e..88ecf94ad979 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -914,9 +914,9 @@ static int ch_probe(struct device *dev) ch->minor = minor; sprintf(ch->name,"ch%d",ch->minor); - class_dev = device_create_drvdata(ch_sysfs_class, dev, - MKDEV(SCSI_CHANGER_MAJOR, ch->minor), - ch, "s%s", ch->name); + class_dev = device_create(ch_sysfs_class, dev, + MKDEV(SCSI_CHANGER_MAJOR, ch->minor), ch, + "s%s", ch->name); if (IS_ERR(class_dev)) { printk(KERN_WARNING "ch%d: device_create failed\n", ch->minor); diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 1fe0901e8119..8aba4fdfb522 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -271,7 +271,7 @@ rebuild_sys_tab: pHba->initialized = TRUE; pHba->state &= ~DPTI_STATE_RESET; if (adpt_sysfs_class) { - struct device *dev = device_create_drvdata(adpt_sysfs_class, + struct device *dev = device_create(adpt_sysfs_class, NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL, "dpti%d", pHba->unit); if (IS_ERR(dev)) { diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index 1c79f9794f4e..0ea78d9a37db 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -5708,7 +5708,8 @@ static int osst_sysfs_add(dev_t dev, struct device *device, struct osst_tape * S struct device *osst_member; int err; - osst_member = device_create_drvdata(osst_sysfs_class, device, dev, STp, "%s", name); + osst_member = device_create(osst_sysfs_class, device, dev, STp, + "%s", name); if (IS_ERR(osst_member)) { printk(KERN_WARNING "osst :W: Unable to add sysfs class member %s\n", name); return PTR_ERR(osst_member); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index ba9b9bbd4e73..93bd59a1ed79 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1450,12 +1450,10 @@ sg_add(struct device *cl_dev, struct class_interface *cl_intf) if (sg_sysfs_valid) { struct device *sg_class_member; - sg_class_member = device_create_drvdata(sg_sysfs_class, - cl_dev->parent, - MKDEV(SCSI_GENERIC_MAJOR, - sdp->index), - sdp, - "%s", disk->disk_name); + sg_class_member = device_create(sg_sysfs_class, cl_dev->parent, + MKDEV(SCSI_GENERIC_MAJOR, + sdp->index), + sdp, "%s", disk->disk_name); if (IS_ERR(sg_class_member)) { printk(KERN_ERR "sg_add: " "device_create failed\n"); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index c2bb53e3d941..5c28d08f18f4 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4428,13 +4428,10 @@ static int do_create_class_files(struct scsi_tape *STp, int dev_num, int mode) snprintf(name, 10, "%s%s%s", rew ? "n" : "", STp->disk->disk_name, st_formats[i]); st_class_member = - device_create_drvdata(st_sysfs_class, - &STp->device->sdev_gendev, - MKDEV(SCSI_TAPE_MAJOR, - TAPE_MINOR(dev_num, - mode, rew)), - &STp->modes[mode], - "%s", name); + device_create(st_sysfs_class, &STp->device->sdev_gendev, + MKDEV(SCSI_TAPE_MAJOR, + TAPE_MINOR(dev_num, mode, rew)), + &STp->modes[mode], "%s", name); if (IS_ERR(st_class_member)) { printk(KERN_WARNING "st%d: device_create failed\n", dev_num); -- GitLab From abe9ab8f62203ced11119fb96acc3b8dd107ebc4 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5259/6244] device create: sound: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Jaroslav Kysela Signed-off-by: Greg Kroah-Hartman --- sound/core/init.c | 6 +++--- sound/core/sound.c | 5 ++--- sound/oss/soundcard.c | 15 +++++++-------- sound/sound_core.c | 5 ++--- 4 files changed, 14 insertions(+), 17 deletions(-) diff --git a/sound/core/init.c b/sound/core/init.c index 8af467df9245..ef2352c2e451 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -549,9 +549,9 @@ int snd_card_register(struct snd_card *card) return -EINVAL; #ifndef CONFIG_SYSFS_DEPRECATED if (!card->card_dev) { - card->card_dev = device_create_drvdata(sound_class, card->dev, - MKDEV(0, 0), NULL, - "card%i", card->number); + card->card_dev = device_create(sound_class, card->dev, + MKDEV(0, 0), NULL, + "card%i", card->number); if (IS_ERR(card->card_dev)) card->card_dev = NULL; } diff --git a/sound/core/sound.c b/sound/core/sound.c index c0685e2f0afa..44a69bb8d4f0 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -274,9 +274,8 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev, return minor; } snd_minors[minor] = preg; - preg->dev = device_create_drvdata(sound_class, device, - MKDEV(major, minor), - private_data, "%s", name); + preg->dev = device_create(sound_class, device, MKDEV(major, minor), + private_data, "%s", name); if (IS_ERR(preg->dev)) { snd_minors[minor] = NULL; mutex_unlock(&sound_mutex); diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 7d89c081a086..61aaedae6b7e 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -560,19 +560,18 @@ static int __init oss_init(void) sound_dmap_flag = (dmabuf > 0 ? 1 : 0); for (i = 0; i < ARRAY_SIZE(dev_list); i++) { - device_create_drvdata(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor), - NULL, "%s", dev_list[i].name); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, dev_list[i].minor), NULL, + "%s", dev_list[i].name); if (!dev_list[i].num) continue; for (j = 1; j < *dev_list[i].num; j++) - device_create_drvdata(sound_class, NULL, - MKDEV(SOUND_MAJOR, - dev_list[i].minor + (j*0x10)), - NULL, - "%s%d", dev_list[i].name, j); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, + dev_list[i].minor + (j*0x10)), + NULL, "%s%d", dev_list[i].name, j); } if (sound_nblocks >= 1024) diff --git a/sound/sound_core.c b/sound/sound_core.c index 4ae07e236b36..faef87a9bc3f 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -220,9 +220,8 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati else sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP); - device_create_drvdata(sound_class, dev, - MKDEV(SOUND_MAJOR, s->unit_minor), - NULL, s->name+6); + device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor), + NULL, s->name+6); return r; fail: -- GitLab From b0b090e5792fa228b5c825fcc5e1b7b0da7abec9 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5260/6244] device create: usb: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/devio.c | 6 +++--- drivers/usb/core/file.c | 6 +++--- drivers/usb/core/hcd.c | 5 ++--- drivers/usb/gadget/printer.c | 4 ++-- drivers/usb/misc/phidgetkit.c | 5 ++--- drivers/usb/misc/phidgetmotorcontrol.c | 5 ++--- drivers/usb/misc/phidgetservo.c | 5 ++--- drivers/usb/mon/mon_bin.c | 6 +++--- 8 files changed, 19 insertions(+), 23 deletions(-) diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 20290c5b1562..7a4fa791dc19 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1729,9 +1729,9 @@ static int usb_classdev_add(struct usb_device *dev) { struct device *cldev; - cldev = device_create_drvdata(usb_classdev_class, &dev->dev, - dev->dev.devt, NULL, "usbdev%d.%d", - dev->bus->busnum, dev->devnum); + cldev = device_create(usb_classdev_class, &dev->dev, dev->dev.devt, + NULL, "usbdev%d.%d", dev->bus->busnum, + dev->devnum); if (IS_ERR(cldev)) return PTR_ERR(cldev); dev->usb_classdev = cldev; diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 6b1b229e38cd..55f7f310924b 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -196,9 +196,9 @@ int usb_register_dev(struct usb_interface *intf, ++temp; else temp = name; - intf->usb_dev = device_create_drvdata(usb_class->class, &intf->dev, - MKDEV(USB_MAJOR, minor), NULL, - "%s", temp); + intf->usb_dev = device_create(usb_class->class, &intf->dev, + MKDEV(USB_MAJOR, minor), NULL, + "%s", temp); if (IS_ERR(intf->usb_dev)) { down_write(&minor_rwsem); usb_minors[intf->minor] = NULL; diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 8ab389dca2b9..c8035a8216bd 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -818,9 +818,8 @@ static int usb_register_bus(struct usb_bus *bus) set_bit (busnum, busmap.busmap); bus->busnum = busnum; - bus->dev = device_create_drvdata(usb_host_class, bus->controller, - MKDEV(0, 0), bus, - "usb_host%d", busnum); + bus->dev = device_create(usb_host_class, bus->controller, MKDEV(0, 0), + bus, "usb_host%d", busnum); result = PTR_ERR(bus->dev); if (IS_ERR(bus->dev)) goto error_create_class_dev; diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index e0090085b78e..7a8d4a188528 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1360,8 +1360,8 @@ printer_bind(struct usb_gadget *gadget) /* Setup the sysfs files for the printer gadget. */ - dev->pdev = device_create_drvdata(usb_gadget_class, NULL, - g_printer_devno, NULL, "g_printer"); + dev->pdev = device_create(usb_gadget_class, NULL, g_printer_devno, + NULL, "g_printer"); if (IS_ERR(dev->pdev)) { ERROR(dev, "Failed to create device: g_printer\n"); goto fail; diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index 4cfa25b0f44e..cc8e0a926f99 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -595,9 +595,8 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic } while(value); kit->dev_no = bit; - kit->dev = device_create_drvdata(phidget_class, &kit->udev->dev, - MKDEV(0, 0), kit, - "interfacekit%d", kit->dev_no); + kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0), + kit, "interfacekit%d", kit->dev_no); if (IS_ERR(kit->dev)) { rc = PTR_ERR(kit->dev); kit->dev = NULL; diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 9b4696f21b22..38088b44349e 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -365,9 +365,8 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic } while(value); mc->dev_no = bit; - mc->dev = device_create_drvdata(phidget_class, &mc->udev->dev, - MKDEV(0, 0), mc, - "motorcontrol%d", mc->dev_no); + mc->dev = device_create(phidget_class, &mc->udev->dev, MKDEV(0, 0), mc, + "motorcontrol%d", mc->dev_no); if (IS_ERR(mc->dev)) { rc = PTR_ERR(mc->dev); mc->dev = NULL; diff --git a/drivers/usb/misc/phidgetservo.c b/drivers/usb/misc/phidgetservo.c index 1ca7ddb41d4d..bef6fe16364b 100644 --- a/drivers/usb/misc/phidgetservo.c +++ b/drivers/usb/misc/phidgetservo.c @@ -275,9 +275,8 @@ servo_probe(struct usb_interface *interface, const struct usb_device_id *id) } while (value); dev->dev_no = bit; - dev->dev = device_create_drvdata(phidget_class, &dev->udev->dev, - MKDEV(0, 0), dev, - "servo%d", dev->dev_no); + dev->dev = device_create(phidget_class, &dev->udev->dev, MKDEV(0, 0), + dev, "servo%d", dev->dev_no); if (IS_ERR(dev->dev)) { rc = PTR_ERR(dev->dev); dev->dev = NULL; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 6566fc0a3228..c9de3f027aab 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1162,9 +1162,9 @@ int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus) if (minor >= MON_BIN_MAX_MINOR) return 0; - dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL, - MKDEV(MAJOR(mon_bin_dev0), minor), NULL, - "usbmon%d", minor); + dev = device_create(mon_bin_class, ubus ? ubus->controller : NULL, + MKDEV(MAJOR(mon_bin_dev0), minor), NULL, + "usbmon%d", minor); if (IS_ERR(dev)) return 0; -- GitLab From 77997aaadd34510ed73153a4cd60161257a9e289 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5261/6244] device create: video: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Signed-off-by: Greg Kroah-Hartman --- drivers/video/console/fbcon.c | 4 ++-- drivers/video/display/display-sysfs.c | 9 +++------ drivers/video/fbmem.c | 5 ++--- 3 files changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index da91bb16da8a..0e0ea4215a30 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -3573,8 +3573,8 @@ static int __init fb_console_init(void) acquire_console_sem(); fb_register_client(&fbcon_event_notifier); - fbcon_device = device_create_drvdata(fb_class, NULL, MKDEV(0, 0), - NULL, "fbcon"); + fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), NULL, + "fbcon"); if (IS_ERR(fbcon_device)) { printk(KERN_WARNING "Unable to create device " diff --git a/drivers/video/display/display-sysfs.c b/drivers/video/display/display-sysfs.c index 6ef800bdf482..4830b1bf51e5 100644 --- a/drivers/video/display/display-sysfs.c +++ b/drivers/video/display/display-sysfs.c @@ -153,12 +153,9 @@ struct display_device *display_device_register(struct display_driver *driver, mutex_unlock(&allocated_dsp_lock); if (!ret) { - new_dev->dev = device_create_drvdata(display_class, - parent, - MKDEV(0,0), - new_dev, - "display%d", - new_dev->idx); + new_dev->dev = device_create(display_class, parent, + MKDEV(0, 0), new_dev, + "display%d", new_dev->idx); if (!IS_ERR(new_dev->dev)) { new_dev->parent = parent; new_dev->driver = driver; diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 0737570030f5..61b36ca06997 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1443,9 +1443,8 @@ register_framebuffer(struct fb_info *fb_info) break; fb_info->node = i; - fb_info->dev = device_create_drvdata(fb_class, fb_info->device, - MKDEV(FB_MAJOR, i), NULL, - "fb%d", i); + fb_info->dev = device_create(fb_class, fb_info->device, + MKDEV(FB_MAJOR, i), NULL, "fb%d", i); if (IS_ERR(fb_info->dev)) { /* Not fatal */ printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev)); -- GitLab From 3ee074bf432d24a92894397ac48ad2f2bb95efdc Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5262/6244] device create: ide: convert device_create_drvdata to device_create Now that device_create() has been audited, rename things back to the original call to be sane. Cc: Bartlomiej Zolnierkiewicz Signed-off-by: Greg Kroah-Hartman --- drivers/ide/ide-probe.c | 4 ++-- drivers/ide/ide-tape.c | 11 +++++------ 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index f27baa5f140e..19f8c7770a25 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -657,8 +657,8 @@ static int ide_register_port(ide_hwif_t *hwif) goto out; } - hwif->portdev = device_create_drvdata(ide_port_class, &hwif->gendev, - MKDEV(0, 0), hwif, hwif->name); + hwif->portdev = device_create(ide_port_class, &hwif->gendev, + MKDEV(0, 0), hwif, hwif->name); if (IS_ERR(hwif->portdev)) { ret = PTR_ERR(hwif->portdev); device_unregister(&hwif->gendev); diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 25ac60f53273..d879c7797cde 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2420,12 +2420,11 @@ static int ide_tape_probe(ide_drive_t *drive) idetape_setup(drive, tape, minor); - device_create_drvdata(idetape_sysfs_class, &drive->gendev, - MKDEV(IDETAPE_MAJOR, minor), NULL, - "%s", tape->name); - device_create_drvdata(idetape_sysfs_class, &drive->gendev, - MKDEV(IDETAPE_MAJOR, minor + 128), NULL, - "n%s", tape->name); + device_create(idetape_sysfs_class, &drive->gendev, + MKDEV(IDETAPE_MAJOR, minor), NULL, "%s", tape->name); + device_create(idetape_sysfs_class, &drive->gendev, + MKDEV(IDETAPE_MAJOR, minor + 128), NULL, + "n%s", tape->name); g->fops = &idetape_block_ops; ide_register_region(g); -- GitLab From 7fb6b5d51daf3613045258ee8add07022d8c39d3 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 21 Jul 2008 20:03:34 -0700 Subject: [PATCH 5263/6244] device create: remove device_create_drvdata Now that the tree is cleaned up, device_create_drvdata can be safely removed. Signed-off-by: Greg Kroah-Hartman --- include/linux/device.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/device.h b/include/linux/device.h index 246937c9cbc7..60f6456691a6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -502,7 +502,6 @@ extern struct device *device_create(struct class *cls, struct device *parent, dev_t devt, void *drvdata, const char *fmt, ...) __attribute__((format(printf, 5, 6))); -#define device_create_drvdata device_create extern void device_destroy(struct class *cls, dev_t devt); /* -- GitLab From 4e9ba518ec19c6c961bf6074ec05ae1a927230bc Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:41:02 -0700 Subject: [PATCH 5264/6244] usb gadget: link fixes for serial gadget Change how the serial gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 2 +- drivers/usb/gadget/serial.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index fcb5cb9094d9..853dd0229431 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -26,7 +26,7 @@ C_UTILS = composite.o usbstring.o config.o epautoconf.o g_zero-objs := zero.o f_sourcesink.o f_loopback.o $(C_UTILS) g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS) -g_serial-objs := serial.o u_serial.o f_acm.o f_serial.o $(C_UTILS) +g_serial-objs := serial.o g_midi-objs := gmidi.o usbstring.o config.o epautoconf.o gadgetfs-objs := inode.o g_file_storage-objs := file_storage.o usbstring.o config.o \ diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index b3699afff002..3faa7a7022df 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -30,6 +30,24 @@ /*-------------------------------------------------------------------------*/ +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "composite.c" +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + +#include "f_acm.c" +#include "f_serial.c" +#include "u_serial.c" + +/*-------------------------------------------------------------------------*/ + /* Thanks to NetChip Technologies for donating this product ID. * * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! -- GitLab From 7e75bc0f9006e995a0fa25f0a285addc3d5fd5cb Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:41:31 -0700 Subject: [PATCH 5265/6244] usb gadget: link fixes for gadget zero Change how the Gadget Zero driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 2 +- drivers/usb/gadget/f_loopback.c | 34 +++++++++++++++++---------------- drivers/usb/gadget/zero.c | 17 +++++++++++++++++ 3 files changed, 36 insertions(+), 17 deletions(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 853dd0229431..55f589131e38 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_USB_M66592) += m66592-udc.o # C_UTILS = composite.o usbstring.o config.o epautoconf.o -g_zero-objs := zero.o f_sourcesink.o f_loopback.o $(C_UTILS) +g_zero-objs := zero.o g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS) g_serial-objs := serial.o g_midi-objs := gmidi.o usbstring.o config.o epautoconf.o diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c index eda4cde72c82..87dde012dacc 100644 --- a/drivers/usb/gadget/f_loopback.c +++ b/drivers/usb/gadget/f_loopback.c @@ -70,7 +70,7 @@ static struct usb_interface_descriptor loopback_intf = { /* full speed support: */ -static struct usb_endpoint_descriptor fs_source_desc = { +static struct usb_endpoint_descriptor fs_loop_source_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -78,7 +78,7 @@ static struct usb_endpoint_descriptor fs_source_desc = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_endpoint_descriptor fs_sink_desc = { +static struct usb_endpoint_descriptor fs_loop_sink_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -88,14 +88,14 @@ static struct usb_endpoint_descriptor fs_sink_desc = { static struct usb_descriptor_header *fs_loopback_descs[] = { (struct usb_descriptor_header *) &loopback_intf, - (struct usb_descriptor_header *) &fs_sink_desc, - (struct usb_descriptor_header *) &fs_source_desc, + (struct usb_descriptor_header *) &fs_loop_sink_desc, + (struct usb_descriptor_header *) &fs_loop_source_desc, NULL, }; /* high speed support: */ -static struct usb_endpoint_descriptor hs_source_desc = { +static struct usb_endpoint_descriptor hs_loop_source_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -103,7 +103,7 @@ static struct usb_endpoint_descriptor hs_source_desc = { .wMaxPacketSize = __constant_cpu_to_le16(512), }; -static struct usb_endpoint_descriptor hs_sink_desc = { +static struct usb_endpoint_descriptor hs_loop_sink_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -113,8 +113,8 @@ static struct usb_endpoint_descriptor hs_sink_desc = { static struct usb_descriptor_header *hs_loopback_descs[] = { (struct usb_descriptor_header *) &loopback_intf, - (struct usb_descriptor_header *) &hs_source_desc, - (struct usb_descriptor_header *) &hs_sink_desc, + (struct usb_descriptor_header *) &hs_loop_source_desc, + (struct usb_descriptor_header *) &hs_loop_sink_desc, NULL, }; @@ -152,7 +152,7 @@ loopback_bind(struct usb_configuration *c, struct usb_function *f) /* allocate endpoints */ - loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_source_desc); + loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_source_desc); if (!loop->in_ep) { autoconf_fail: ERROR(cdev, "%s: can't autoconfigure on %s\n", @@ -161,17 +161,17 @@ autoconf_fail: } loop->in_ep->driver_data = cdev; /* claim */ - loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_sink_desc); + loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_sink_desc); if (!loop->out_ep) goto autoconf_fail; loop->out_ep->driver_data = cdev; /* claim */ /* support high speed hardware */ if (gadget_is_dualspeed(c->cdev->gadget)) { - hs_source_desc.bEndpointAddress = - fs_source_desc.bEndpointAddress; - hs_sink_desc.bEndpointAddress = - fs_sink_desc.bEndpointAddress; + hs_loop_source_desc.bEndpointAddress = + fs_loop_source_desc.bEndpointAddress; + hs_loop_sink_desc.bEndpointAddress = + fs_loop_sink_desc.bEndpointAddress; f->hs_descriptors = hs_loopback_descs; } @@ -255,8 +255,10 @@ enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop) struct usb_request *req; unsigned i; - src = ep_choose(cdev->gadget, &hs_source_desc, &fs_source_desc); - sink = ep_choose(cdev->gadget, &hs_sink_desc, &fs_sink_desc); + src = ep_choose(cdev->gadget, + &hs_loop_source_desc, &fs_loop_source_desc); + sink = ep_choose(cdev->gadget, + &hs_loop_sink_desc, &fs_loop_sink_desc); /* one endpoint writes data back IN to the host */ ep = loop->in_ep; diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index aa0bd4f126a1..361d9659ac48 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -57,6 +57,23 @@ #include "gadget_chips.h" +/*-------------------------------------------------------------------------*/ + +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "composite.c" +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + +#include "f_sourcesink.c" +#include "f_loopback.c" + /*-------------------------------------------------------------------------*/ #define DRIVER_VERSION "Cinco de Mayo 2008" -- GitLab From 77f754c4335d87e785cb0b85cc81e4f16d610fe5 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:42:04 -0700 Subject: [PATCH 5266/6244] usb gadget: link fixes for MIDI gadget Change how the MIDI gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 2 +- drivers/usb/gadget/gmidi.c | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 55f589131e38..c47204fc6733 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -27,7 +27,7 @@ C_UTILS = composite.o usbstring.o config.o epautoconf.o g_zero-objs := zero.o g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS) g_serial-objs := serial.o -g_midi-objs := gmidi.o usbstring.o config.o epautoconf.o +g_midi-objs := gmidi.o gadgetfs-objs := inode.o g_file_storage-objs := file_storage.o usbstring.o config.o \ epautoconf.o diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c index ea8651e3da1a..6eee760410d6 100644 --- a/drivers/usb/gadget/gmidi.c +++ b/drivers/usb/gadget/gmidi.c @@ -35,6 +35,21 @@ #include "gadget_chips.h" + +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + +/*-------------------------------------------------------------------------*/ + + MODULE_AUTHOR("Ben Williamson"); MODULE_LICENSE("GPL v2"); -- GitLab From 0a56b03f68d93ddaaaf11281fed9a7940ff62216 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:42:49 -0700 Subject: [PATCH 5267/6244] usb gadget: link fixes for printer gadget Change how the printer gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 3 +-- drivers/usb/gadget/printer.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index c47204fc6733..99956b79bdf5 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -31,8 +31,7 @@ g_midi-objs := gmidi.o gadgetfs-objs := inode.o g_file_storage-objs := file_storage.o usbstring.o config.o \ epautoconf.o -g_printer-objs := printer.o usbstring.o config.o \ - epautoconf.o +g_printer-objs := printer.o g_cdc-objs := cdc2.o u_ether.o f_ecm.o \ u_serial.o f_acm.o $(C_UTILS) diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 7a8d4a188528..2b3b9e1dd2ee 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -53,6 +53,20 @@ #include "gadget_chips.h" + +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + +/*-------------------------------------------------------------------------*/ + #define DRIVER_DESC "Printer Gadget" #define DRIVER_VERSION "2007 OCT 06" -- GitLab From 352e2b961c885b98065c402e2ad85057d0a334b2 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:43:25 -0700 Subject: [PATCH 5268/6244] usb gadget: link fixes for storage gadget Change how the file storage gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 3 +-- drivers/usb/gadget/file_storage.c | 12 ++++++++++++ 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 99956b79bdf5..736d58fe941e 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -29,8 +29,7 @@ g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS) g_serial-objs := serial.o g_midi-objs := gmidi.o gadgetfs-objs := inode.o -g_file_storage-objs := file_storage.o usbstring.o config.o \ - epautoconf.o +g_file_storage-objs := file_storage.o g_printer-objs := printer.o g_cdc-objs := cdc2.o u_ether.o f_ecm.o \ u_serial.o f_acm.o $(C_UTILS) diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index ea2c31d18080..0c632d22a631 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -245,6 +245,18 @@ #include "gadget_chips.h" + +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + /*-------------------------------------------------------------------------*/ #define DRIVER_DESC "File-backed Storage Gadget" -- GitLab From 8a1ce2c0447b1a0816f66fde2f832c31b5fbee2c Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:43:56 -0700 Subject: [PATCH 5269/6244] usb gadget: link fixes for cdc composite gadget Change how the CDC Composite gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 3 +-- drivers/usb/gadget/cdc2.c | 25 +++++++++++++++++++++++-- drivers/usb/gadget/u_ether.c | 4 ++-- 3 files changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 736d58fe941e..bfa02296a16e 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -31,8 +31,7 @@ g_midi-objs := gmidi.o gadgetfs-objs := inode.o g_file_storage-objs := file_storage.o g_printer-objs := printer.o -g_cdc-objs := cdc2.o u_ether.o f_ecm.o \ - u_serial.o f_acm.o $(C_UTILS) +g_cdc-objs := cdc2.o ifeq ($(CONFIG_USB_ETH_RNDIS),y) g_ether-objs += f_rndis.o rndis.o diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c index a39a4b940c33..a724fc149850 100644 --- a/drivers/usb/gadget/cdc2.c +++ b/drivers/usb/gadget/cdc2.c @@ -43,6 +43,25 @@ /*-------------------------------------------------------------------------*/ +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ + +#include "composite.c" +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" +#include "u_serial.c" +#include "f_acm.c" +#include "f_ecm.c" +#include "u_ether.c" + +/*-------------------------------------------------------------------------*/ + static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, @@ -148,7 +167,8 @@ static int __init cdc_bind(struct usb_composite_dev *cdev) int status; if (!can_support_ecm(cdev->gadget)) { - ERROR(cdev, "controller '%s' not usable\n", gadget->name); + dev_err(&gadget->dev, "controller '%s' not usable\n", + gadget->name); return -EINVAL; } @@ -203,7 +223,8 @@ static int __init cdc_bind(struct usb_composite_dev *cdev) if (status < 0) goto fail1; - INFO(cdev, "%s, version: " DRIVER_VERSION "\n", DRIVER_DESC); + dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", + DRIVER_DESC); return 0; diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 3791e6271903..dbd575a194f3 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -52,7 +52,7 @@ * this single "physical" link to be used by multiple virtual links.) */ -#define DRIVER_VERSION "29-May-2008" +#define UETH__VERSION "29-May-2008" struct eth_dev { /* lock is held while accessing port_usb @@ -170,7 +170,7 @@ static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p) struct eth_dev *dev = netdev_priv(net); strlcpy(p->driver, "g_ether", sizeof p->driver); - strlcpy(p->version, DRIVER_VERSION, sizeof p->version); + strlcpy(p->version, UETH__VERSION, sizeof p->version); strlcpy(p->fw_version, dev->gadget->name, sizeof p->fw_version); strlcpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof p->bus_info); } -- GitLab From 33376c1c043c05077b4ac79c33804266f6c45e49 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 18 Aug 2008 17:45:07 -0700 Subject: [PATCH 5270/6244] usb gadget: link fixes for network gadget Change how the Ethernet/RNDIS gadget driver builds: don't use separate compilation, since it works poorly when key parts are library code (with init sections etc). Instead be as close as we can to "gcc --combine ...". This is a bit more complicated than most of the others because it had to resolve a few symbol collisions. Signed-off-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 8 +-- drivers/usb/gadget/ether.c | 28 ++++++++- drivers/usb/gadget/f_ecm.c | 108 +++++++++++++++---------------- drivers/usb/gadget/f_subset.c | 44 ++++++------- drivers/usb/gadget/rndis.c | 115 ++++++++++++++++------------------ 5 files changed, 158 insertions(+), 145 deletions(-) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index bfa02296a16e..2267fa0b51b2 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -22,10 +22,8 @@ obj-$(CONFIG_USB_M66592) += m66592-udc.o # # USB gadget drivers # -C_UTILS = composite.o usbstring.o config.o epautoconf.o - g_zero-objs := zero.o -g_ether-objs := ether.o u_ether.o f_subset.o f_ecm.o $(C_UTILS) +g_ether-objs := ether.o g_serial-objs := serial.o g_midi-objs := gmidi.o gadgetfs-objs := inode.o @@ -33,10 +31,6 @@ g_file_storage-objs := file_storage.o g_printer-objs := printer.o g_cdc-objs := cdc2.o -ifeq ($(CONFIG_USB_ETH_RNDIS),y) - g_ether-objs += f_rndis.o rndis.o -endif - obj-$(CONFIG_USB_ZERO) += g_zero.o obj-$(CONFIG_USB_ETH) += g_ether.o obj-$(CONFIG_USB_GADGETFS) += gadgetfs.o diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index bcac2e68660d..944c8e889ab4 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -96,6 +96,28 @@ static inline bool has_rndis(void) /*-------------------------------------------------------------------------*/ +/* + * Kbuild is not very cooperative with respect to linking separately + * compiled library objects into one module. So for now we won't use + * separate compilation ... ensuring init/exit sections work to shrink + * the runtime footprint, and giving us at least some parts of what + * a "gcc --combine ... part1.c part2.c part3.c ... " build would. + */ +#include "composite.c" +#include "usbstring.c" +#include "config.c" +#include "epautoconf.c" + +#include "f_ecm.c" +#include "f_subset.c" +#ifdef CONFIG_USB_ETH_RNDIS +#include "f_rndis.c" +#include "rndis.c" +#endif +#include "u_ether.c" + +/*-------------------------------------------------------------------------*/ + /* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! * Instead: allocate your own, using normal USB-IF procedures. */ @@ -293,7 +315,8 @@ static int __init eth_bind(struct usb_composite_dev *cdev) * but if the controller isn't recognized at all then * that assumption is a bit more likely to be wrong. */ - WARNING(cdev, "controller '%s' not recognized; trying %s\n", + dev_warn(&gadget->dev, + "controller '%s' not recognized; trying %s\n", gadget->name, eth_config_driver.label); device_desc.bcdDevice = @@ -332,7 +355,8 @@ static int __init eth_bind(struct usb_composite_dev *cdev) if (status < 0) goto fail; - INFO(cdev, "%s, version: " DRIVER_VERSION "\n", DRIVER_DESC); + dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", + DRIVER_DESC); return 0; diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c index a2b5c092bda0..4ae579948e54 100644 --- a/drivers/usb/gadget/f_ecm.c +++ b/drivers/usb/gadget/f_ecm.c @@ -83,7 +83,7 @@ static inline struct f_ecm *func_to_ecm(struct usb_function *f) } /* peak (theoretical) bulk transfer rate in bits-per-second */ -static inline unsigned bitrate(struct usb_gadget *g) +static inline unsigned ecm_bitrate(struct usb_gadget *g) { if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; @@ -107,7 +107,7 @@ static inline unsigned bitrate(struct usb_gadget *g) */ #define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */ -#define STATUS_BYTECOUNT 16 /* 8 byte header + data */ +#define ECM_STATUS_BYTECOUNT 16 /* 8 byte header + data */ /* interface descriptor: */ @@ -125,8 +125,8 @@ static struct usb_interface_descriptor ecm_control_intf __initdata = { /* .iInterface = DYNAMIC */ }; -static struct usb_cdc_header_desc header_desc __initdata = { - .bLength = sizeof header_desc, +static struct usb_cdc_header_desc ecm_header_desc __initdata = { + .bLength = sizeof ecm_header_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_HEADER_TYPE, @@ -141,8 +141,8 @@ static struct usb_cdc_union_desc ecm_union_desc __initdata = { /* .bSlaveInterface0 = DYNAMIC */ }; -static struct usb_cdc_ether_desc ether_desc __initdata = { - .bLength = sizeof ether_desc, +static struct usb_cdc_ether_desc ecm_desc __initdata = { + .bLength = sizeof ecm_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_ETHERNET_TYPE, @@ -186,17 +186,17 @@ static struct usb_interface_descriptor ecm_data_intf __initdata = { /* full speed support: */ -static struct usb_endpoint_descriptor fs_notify_desc __initdata = { +static struct usb_endpoint_descriptor fs_ecm_notify_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = __constant_cpu_to_le16(STATUS_BYTECOUNT), + .wMaxPacketSize = __constant_cpu_to_le16(ECM_STATUS_BYTECOUNT), .bInterval = 1 << LOG2_STATUS_INTERVAL_MSEC, }; -static struct usb_endpoint_descriptor fs_in_desc __initdata = { +static struct usb_endpoint_descriptor fs_ecm_in_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -204,7 +204,7 @@ static struct usb_endpoint_descriptor fs_in_desc __initdata = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_endpoint_descriptor fs_out_desc __initdata = { +static struct usb_endpoint_descriptor fs_ecm_out_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -212,34 +212,34 @@ static struct usb_endpoint_descriptor fs_out_desc __initdata = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_descriptor_header *eth_fs_function[] __initdata = { +static struct usb_descriptor_header *ecm_fs_function[] __initdata = { /* CDC ECM control descriptors */ (struct usb_descriptor_header *) &ecm_control_intf, - (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &ecm_header_desc, (struct usb_descriptor_header *) &ecm_union_desc, - (struct usb_descriptor_header *) ðer_desc, + (struct usb_descriptor_header *) &ecm_desc, /* NOTE: status endpoint might need to be removed */ - (struct usb_descriptor_header *) &fs_notify_desc, + (struct usb_descriptor_header *) &fs_ecm_notify_desc, /* data interface, altsettings 0 and 1 */ (struct usb_descriptor_header *) &ecm_data_nop_intf, (struct usb_descriptor_header *) &ecm_data_intf, - (struct usb_descriptor_header *) &fs_in_desc, - (struct usb_descriptor_header *) &fs_out_desc, + (struct usb_descriptor_header *) &fs_ecm_in_desc, + (struct usb_descriptor_header *) &fs_ecm_out_desc, NULL, }; /* high speed support: */ -static struct usb_endpoint_descriptor hs_notify_desc __initdata = { +static struct usb_endpoint_descriptor hs_ecm_notify_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_XFER_INT, - .wMaxPacketSize = __constant_cpu_to_le16(STATUS_BYTECOUNT), + .wMaxPacketSize = __constant_cpu_to_le16(ECM_STATUS_BYTECOUNT), .bInterval = LOG2_STATUS_INTERVAL_MSEC + 4, }; -static struct usb_endpoint_descriptor hs_in_desc __initdata = { +static struct usb_endpoint_descriptor hs_ecm_in_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -248,7 +248,7 @@ static struct usb_endpoint_descriptor hs_in_desc __initdata = { .wMaxPacketSize = __constant_cpu_to_le16(512), }; -static struct usb_endpoint_descriptor hs_out_desc __initdata = { +static struct usb_endpoint_descriptor hs_ecm_out_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -257,19 +257,19 @@ static struct usb_endpoint_descriptor hs_out_desc __initdata = { .wMaxPacketSize = __constant_cpu_to_le16(512), }; -static struct usb_descriptor_header *eth_hs_function[] __initdata = { +static struct usb_descriptor_header *ecm_hs_function[] __initdata = { /* CDC ECM control descriptors */ (struct usb_descriptor_header *) &ecm_control_intf, - (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &ecm_header_desc, (struct usb_descriptor_header *) &ecm_union_desc, - (struct usb_descriptor_header *) ðer_desc, + (struct usb_descriptor_header *) &ecm_desc, /* NOTE: status endpoint might need to be removed */ - (struct usb_descriptor_header *) &hs_notify_desc, + (struct usb_descriptor_header *) &hs_ecm_notify_desc, /* data interface, altsettings 0 and 1 */ (struct usb_descriptor_header *) &ecm_data_nop_intf, (struct usb_descriptor_header *) &ecm_data_intf, - (struct usb_descriptor_header *) &hs_in_desc, - (struct usb_descriptor_header *) &hs_out_desc, + (struct usb_descriptor_header *) &hs_ecm_in_desc, + (struct usb_descriptor_header *) &hs_ecm_out_desc, NULL, }; @@ -329,14 +329,14 @@ static void ecm_do_notify(struct f_ecm *ecm) event->bNotificationType = USB_CDC_NOTIFY_SPEED_CHANGE; event->wValue = cpu_to_le16(0); event->wLength = cpu_to_le16(8); - req->length = STATUS_BYTECOUNT; + req->length = ECM_STATUS_BYTECOUNT; /* SPEED_CHANGE data is up/down speeds in bits/sec */ data = req->buf + sizeof *event; - data[0] = cpu_to_le32(bitrate(cdev->gadget)); + data[0] = cpu_to_le32(ecm_bitrate(cdev->gadget)); data[1] = data[0]; - DBG(cdev, "notify speed %d\n", bitrate(cdev->gadget)); + DBG(cdev, "notify speed %d\n", ecm_bitrate(cdev->gadget)); ecm->notify_state = ECM_NOTIFY_NONE; break; } @@ -628,13 +628,13 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) status = -ENODEV; /* allocate instance-specific endpoints */ - ep = usb_ep_autoconfig(cdev->gadget, &fs_in_desc); + ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_in_desc); if (!ep) goto fail; ecm->port.in_ep = ep; ep->driver_data = cdev; /* claim */ - ep = usb_ep_autoconfig(cdev->gadget, &fs_out_desc); + ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_out_desc); if (!ep) goto fail; ecm->port.out_ep = ep; @@ -644,7 +644,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) * don't treat it that way. It's simpler, and some newer CDC * profiles (wireless handsets) no longer treat it as optional. */ - ep = usb_ep_autoconfig(cdev->gadget, &fs_notify_desc); + ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_notify_desc); if (!ep) goto fail; ecm->notify = ep; @@ -656,47 +656,47 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL); if (!ecm->notify_req) goto fail; - ecm->notify_req->buf = kmalloc(STATUS_BYTECOUNT, GFP_KERNEL); + ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL); if (!ecm->notify_req->buf) goto fail; ecm->notify_req->context = ecm; ecm->notify_req->complete = ecm_notify_complete; /* copy descriptors, and track endpoint copies */ - f->descriptors = usb_copy_descriptors(eth_fs_function); + f->descriptors = usb_copy_descriptors(ecm_fs_function); if (!f->descriptors) goto fail; - ecm->fs.in = usb_find_endpoint(eth_fs_function, - f->descriptors, &fs_in_desc); - ecm->fs.out = usb_find_endpoint(eth_fs_function, - f->descriptors, &fs_out_desc); - ecm->fs.notify = usb_find_endpoint(eth_fs_function, - f->descriptors, &fs_notify_desc); + ecm->fs.in = usb_find_endpoint(ecm_fs_function, + f->descriptors, &fs_ecm_in_desc); + ecm->fs.out = usb_find_endpoint(ecm_fs_function, + f->descriptors, &fs_ecm_out_desc); + ecm->fs.notify = usb_find_endpoint(ecm_fs_function, + f->descriptors, &fs_ecm_notify_desc); /* support all relevant hardware speeds... we expect that when * hardware is dual speed, all bulk-capable endpoints work at * both speeds */ if (gadget_is_dualspeed(c->cdev->gadget)) { - hs_in_desc.bEndpointAddress = - fs_in_desc.bEndpointAddress; - hs_out_desc.bEndpointAddress = - fs_out_desc.bEndpointAddress; - hs_notify_desc.bEndpointAddress = - fs_notify_desc.bEndpointAddress; + hs_ecm_in_desc.bEndpointAddress = + fs_ecm_in_desc.bEndpointAddress; + hs_ecm_out_desc.bEndpointAddress = + fs_ecm_out_desc.bEndpointAddress; + hs_ecm_notify_desc.bEndpointAddress = + fs_ecm_notify_desc.bEndpointAddress; /* copy descriptors, and track endpoint copies */ - f->hs_descriptors = usb_copy_descriptors(eth_hs_function); + f->hs_descriptors = usb_copy_descriptors(ecm_hs_function); if (!f->hs_descriptors) goto fail; - ecm->hs.in = usb_find_endpoint(eth_hs_function, - f->hs_descriptors, &hs_in_desc); - ecm->hs.out = usb_find_endpoint(eth_hs_function, - f->hs_descriptors, &hs_out_desc); - ecm->hs.notify = usb_find_endpoint(eth_hs_function, - f->hs_descriptors, &hs_notify_desc); + ecm->hs.in = usb_find_endpoint(ecm_hs_function, + f->hs_descriptors, &hs_ecm_in_desc); + ecm->hs.out = usb_find_endpoint(ecm_hs_function, + f->hs_descriptors, &hs_ecm_out_desc); + ecm->hs.notify = usb_find_endpoint(ecm_hs_function, + f->hs_descriptors, &hs_ecm_notify_desc); } /* NOTE: all that is done without knowing or caring about @@ -795,7 +795,7 @@ int __init ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN]) if (status < 0) return status; ecm_string_defs[1].id = status; - ether_desc.iMACAddress = status; + ecm_desc.iMACAddress = status; } /* allocate and initialize one new instance */ diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c index acb8d233aa1d..fe1832875771 100644 --- a/drivers/usb/gadget/f_subset.c +++ b/drivers/usb/gadget/f_subset.c @@ -103,8 +103,8 @@ static struct usb_interface_descriptor subset_data_intf __initdata = { /* .iInterface = DYNAMIC */ }; -static struct usb_cdc_header_desc header_desc __initdata = { - .bLength = sizeof header_desc, +static struct usb_cdc_header_desc mdlm_header_desc __initdata = { + .bLength = sizeof mdlm_header_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubType = USB_CDC_HEADER_TYPE, @@ -152,7 +152,7 @@ static struct usb_cdc_ether_desc ether_desc __initdata = { /* full speed support: */ -static struct usb_endpoint_descriptor fs_in_desc __initdata = { +static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -160,7 +160,7 @@ static struct usb_endpoint_descriptor fs_in_desc __initdata = { .bmAttributes = USB_ENDPOINT_XFER_BULK, }; -static struct usb_endpoint_descriptor fs_out_desc __initdata = { +static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -170,18 +170,18 @@ static struct usb_endpoint_descriptor fs_out_desc __initdata = { static struct usb_descriptor_header *fs_eth_function[] __initdata = { (struct usb_descriptor_header *) &subset_data_intf, - (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &mdlm_header_desc, (struct usb_descriptor_header *) &mdlm_desc, (struct usb_descriptor_header *) &mdlm_detail_desc, (struct usb_descriptor_header *) ðer_desc, - (struct usb_descriptor_header *) &fs_in_desc, - (struct usb_descriptor_header *) &fs_out_desc, + (struct usb_descriptor_header *) &fs_subset_in_desc, + (struct usb_descriptor_header *) &fs_subset_out_desc, NULL, }; /* high speed support: */ -static struct usb_endpoint_descriptor hs_in_desc __initdata = { +static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -189,7 +189,7 @@ static struct usb_endpoint_descriptor hs_in_desc __initdata = { .wMaxPacketSize = __constant_cpu_to_le16(512), }; -static struct usb_endpoint_descriptor hs_out_desc __initdata = { +static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -199,12 +199,12 @@ static struct usb_endpoint_descriptor hs_out_desc __initdata = { static struct usb_descriptor_header *hs_eth_function[] __initdata = { (struct usb_descriptor_header *) &subset_data_intf, - (struct usb_descriptor_header *) &header_desc, + (struct usb_descriptor_header *) &mdlm_header_desc, (struct usb_descriptor_header *) &mdlm_desc, (struct usb_descriptor_header *) &mdlm_detail_desc, (struct usb_descriptor_header *) ðer_desc, - (struct usb_descriptor_header *) &hs_in_desc, - (struct usb_descriptor_header *) &hs_out_desc, + (struct usb_descriptor_header *) &hs_subset_in_desc, + (struct usb_descriptor_header *) &hs_subset_out_desc, NULL, }; @@ -281,13 +281,13 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) status = -ENODEV; /* allocate instance-specific endpoints */ - ep = usb_ep_autoconfig(cdev->gadget, &fs_in_desc); + ep = usb_ep_autoconfig(cdev->gadget, &fs_subset_in_desc); if (!ep) goto fail; geth->port.in_ep = ep; ep->driver_data = cdev; /* claim */ - ep = usb_ep_autoconfig(cdev->gadget, &fs_out_desc); + ep = usb_ep_autoconfig(cdev->gadget, &fs_subset_out_desc); if (!ep) goto fail; geth->port.out_ep = ep; @@ -297,9 +297,9 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) f->descriptors = usb_copy_descriptors(fs_eth_function); geth->fs.in = usb_find_endpoint(fs_eth_function, - f->descriptors, &fs_in_desc); + f->descriptors, &fs_subset_in_desc); geth->fs.out = usb_find_endpoint(fs_eth_function, - f->descriptors, &fs_out_desc); + f->descriptors, &fs_subset_out_desc); /* support all relevant hardware speeds... we expect that when @@ -307,18 +307,18 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) * both speeds */ if (gadget_is_dualspeed(c->cdev->gadget)) { - hs_in_desc.bEndpointAddress = - fs_in_desc.bEndpointAddress; - hs_out_desc.bEndpointAddress = - fs_out_desc.bEndpointAddress; + hs_subset_in_desc.bEndpointAddress = + fs_subset_in_desc.bEndpointAddress; + hs_subset_out_desc.bEndpointAddress = + fs_subset_out_desc.bEndpointAddress; /* copy descriptors, and track endpoint copies */ f->hs_descriptors = usb_copy_descriptors(hs_eth_function); geth->hs.in = usb_find_endpoint(hs_eth_function, - f->hs_descriptors, &hs_in_desc); + f->hs_descriptors, &hs_subset_in_desc); geth->hs.out = usb_find_endpoint(hs_eth_function, - f->hs_descriptors, &hs_out_desc); + f->hs_descriptors, &hs_subset_out_desc); } /* NOTE: all that is done without knowing or caring about diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c index 7228e8562236..8c26f5ea2b83 100644 --- a/drivers/usb/gadget/rndis.c +++ b/drivers/usb/gadget/rndis.c @@ -57,11 +57,6 @@ MODULE_PARM_DESC (rndis_debug, "enable debugging"); #define rndis_debug 0 #endif -#define DBG(str,args...) do { \ - if (rndis_debug) \ - pr_debug(str , ## args); \ - } while (0) - #define RNDIS_MAX_CONFIGS 1 @@ -183,9 +178,9 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, if (!resp) return -ENOMEM; if (buf_len && rndis_debug > 1) { - DBG("query OID %08x value, len %d:\n", OID, buf_len); + pr_debug("query OID %08x value, len %d:\n", OID, buf_len); for (i = 0; i < buf_len; i += 16) { - DBG("%03d: %08x %08x %08x %08x\n", i, + pr_debug("%03d: %08x %08x %08x %08x\n", i, get_unaligned_le32(&buf[i]), get_unaligned_le32(&buf[i + 4]), get_unaligned_le32(&buf[i + 8]), @@ -209,7 +204,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_SUPPORTED_LIST: - DBG("%s: OID_GEN_SUPPORTED_LIST\n", __func__); + pr_debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__); length = sizeof (oid_supported_list); count = length / sizeof (u32); for (i = 0; i < count; i++) @@ -219,7 +214,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_HARDWARE_STATUS: - DBG("%s: OID_GEN_HARDWARE_STATUS\n", __func__); + pr_debug("%s: OID_GEN_HARDWARE_STATUS\n", __func__); /* Bogus question! * Hardware must be ready to receive high level protocols. * BTW: @@ -232,14 +227,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_MEDIA_SUPPORTED: - DBG("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__); + pr_debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__); *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); retval = 0; break; /* mandatory */ case OID_GEN_MEDIA_IN_USE: - DBG("%s: OID_GEN_MEDIA_IN_USE\n", __func__); + pr_debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__); /* one medium, one transport... (maybe you do it better) */ *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr].medium); retval = 0; @@ -247,7 +242,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_MAXIMUM_FRAME_SIZE: - DBG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); + pr_debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__); if (rndis_per_dev_params [configNr].dev) { *outbuf = cpu_to_le32 ( rndis_per_dev_params [configNr].dev->mtu); @@ -258,7 +253,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_LINK_SPEED: if (rndis_debug > 1) - DBG("%s: OID_GEN_LINK_SPEED\n", __func__); + pr_debug("%s: OID_GEN_LINK_SPEED\n", __func__); if (rndis_per_dev_params [configNr].media_state == NDIS_MEDIA_STATE_DISCONNECTED) *outbuf = __constant_cpu_to_le32 (0); @@ -270,7 +265,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_TRANSMIT_BLOCK_SIZE: - DBG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); + pr_debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__); if (rndis_per_dev_params [configNr].dev) { *outbuf = cpu_to_le32 ( rndis_per_dev_params [configNr].dev->mtu); @@ -280,7 +275,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_RECEIVE_BLOCK_SIZE: - DBG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); + pr_debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__); if (rndis_per_dev_params [configNr].dev) { *outbuf = cpu_to_le32 ( rndis_per_dev_params [configNr].dev->mtu); @@ -290,7 +285,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_VENDOR_ID: - DBG("%s: OID_GEN_VENDOR_ID\n", __func__); + pr_debug("%s: OID_GEN_VENDOR_ID\n", __func__); *outbuf = cpu_to_le32 ( rndis_per_dev_params [configNr].vendorID); retval = 0; @@ -298,7 +293,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_VENDOR_DESCRIPTION: - DBG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__); + pr_debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__); length = strlen (rndis_per_dev_params [configNr].vendorDescr); memcpy (outbuf, rndis_per_dev_params [configNr].vendorDescr, length); @@ -306,7 +301,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, break; case OID_GEN_VENDOR_DRIVER_VERSION: - DBG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); + pr_debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__); /* Created as LE */ *outbuf = rndis_driver_version; retval = 0; @@ -314,14 +309,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_CURRENT_PACKET_FILTER: - DBG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); + pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__); *outbuf = cpu_to_le32 (*rndis_per_dev_params[configNr].filter); retval = 0; break; /* mandatory */ case OID_GEN_MAXIMUM_TOTAL_SIZE: - DBG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); + pr_debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__); *outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE); retval = 0; break; @@ -329,14 +324,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_MEDIA_CONNECT_STATUS: if (rndis_debug > 1) - DBG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); + pr_debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__); *outbuf = cpu_to_le32 (rndis_per_dev_params [configNr] .media_state); retval = 0; break; case OID_GEN_PHYSICAL_MEDIUM: - DBG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); + pr_debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; @@ -346,7 +341,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, * versions emit undefined RNDIS messages. DOCUMENT ALL THESE! */ case OID_GEN_MAC_OPTIONS: /* from WinME */ - DBG("%s: OID_GEN_MAC_OPTIONS\n", __func__); + pr_debug("%s: OID_GEN_MAC_OPTIONS\n", __func__); *outbuf = __constant_cpu_to_le32( NDIS_MAC_OPTION_RECEIVE_SERIALIZED | NDIS_MAC_OPTION_FULL_DUPLEX); @@ -358,7 +353,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_XMIT_OK: if (rndis_debug > 1) - DBG("%s: OID_GEN_XMIT_OK\n", __func__); + pr_debug("%s: OID_GEN_XMIT_OK\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->tx_packets - stats->tx_errors - stats->tx_dropped); @@ -369,7 +364,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_RCV_OK: if (rndis_debug > 1) - DBG("%s: OID_GEN_RCV_OK\n", __func__); + pr_debug("%s: OID_GEN_RCV_OK\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->rx_packets - stats->rx_errors - stats->rx_dropped); @@ -380,7 +375,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_XMIT_ERROR: if (rndis_debug > 1) - DBG("%s: OID_GEN_XMIT_ERROR\n", __func__); + pr_debug("%s: OID_GEN_XMIT_ERROR\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->tx_errors); retval = 0; @@ -390,7 +385,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_RCV_ERROR: if (rndis_debug > 1) - DBG("%s: OID_GEN_RCV_ERROR\n", __func__); + pr_debug("%s: OID_GEN_RCV_ERROR\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->rx_errors); retval = 0; @@ -399,7 +394,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_GEN_RCV_NO_BUFFER: - DBG("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); + pr_debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->rx_dropped); retval = 0; @@ -410,7 +405,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_802_3_PERMANENT_ADDRESS: - DBG("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__); + pr_debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__); if (rndis_per_dev_params [configNr].dev) { length = ETH_ALEN; memcpy (outbuf, @@ -422,7 +417,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_802_3_CURRENT_ADDRESS: - DBG("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); + pr_debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__); if (rndis_per_dev_params [configNr].dev) { length = ETH_ALEN; memcpy (outbuf, @@ -434,7 +429,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_802_3_MULTICAST_LIST: - DBG("%s: OID_802_3_MULTICAST_LIST\n", __func__); + pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); /* Multicast base address only */ *outbuf = __constant_cpu_to_le32 (0xE0000000); retval = 0; @@ -442,21 +437,21 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_802_3_MAXIMUM_LIST_SIZE: - DBG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); + pr_debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__); /* Multicast base address only */ *outbuf = __constant_cpu_to_le32 (1); retval = 0; break; case OID_802_3_MAC_OPTIONS: - DBG("%s: OID_802_3_MAC_OPTIONS\n", __func__); + pr_debug("%s: OID_802_3_MAC_OPTIONS\n", __func__); break; /* ieee802.3 statistics OIDs (table 4-4) */ /* mandatory */ case OID_802_3_RCV_ERROR_ALIGNMENT: - DBG("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); + pr_debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__); if (stats) { *outbuf = cpu_to_le32(stats->rx_frame_errors); retval = 0; @@ -465,14 +460,14 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len, /* mandatory */ case OID_802_3_XMIT_ONE_COLLISION: - DBG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); + pr_debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; /* mandatory */ case OID_802_3_XMIT_MORE_COLLISIONS: - DBG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); + pr_debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__); *outbuf = __constant_cpu_to_le32 (0); retval = 0; break; @@ -504,9 +499,9 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, return -ENOMEM; if (buf_len && rndis_debug > 1) { - DBG("set OID %08x value, len %d:\n", OID, buf_len); + pr_debug("set OID %08x value, len %d:\n", OID, buf_len); for (i = 0; i < buf_len; i += 16) { - DBG("%03d: %08x %08x %08x %08x\n", i, + pr_debug("%03d: %08x %08x %08x %08x\n", i, get_unaligned_le32(&buf[i]), get_unaligned_le32(&buf[i + 4]), get_unaligned_le32(&buf[i + 8]), @@ -525,7 +520,7 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, * MULTICAST, ALL_MULTICAST, BROADCAST */ *params->filter = (u16)get_unaligned_le32(buf); - DBG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", + pr_debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n", __func__, *params->filter); /* this call has a significant side effect: it's @@ -547,7 +542,7 @@ static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len, case OID_802_3_MULTICAST_LIST: /* I think we can ignore this */ - DBG("%s: OID_802_3_MULTICAST_LIST\n", __func__); + pr_debug("%s: OID_802_3_MULTICAST_LIST\n", __func__); retval = 0; break; @@ -606,7 +601,7 @@ static int rndis_query_response (int configNr, rndis_query_msg_type *buf) rndis_resp_t *r; struct rndis_params *params = rndis_per_dev_params + configNr; - // DBG("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); + /* pr_debug("%s: OID = %08X\n", __func__, cpu_to_le32(buf->OID)); */ if (!params->dev) return -ENOTSUPP; @@ -659,15 +654,15 @@ static int rndis_set_response (int configNr, rndis_set_msg_type *buf) BufOffset = le32_to_cpu (buf->InformationBufferOffset); #ifdef VERBOSE_DEBUG - DBG("%s: Length: %d\n", __func__, BufLength); - DBG("%s: Offset: %d\n", __func__, BufOffset); - DBG("%s: InfoBuffer: ", __func__); + pr_debug("%s: Length: %d\n", __func__, BufLength); + pr_debug("%s: Offset: %d\n", __func__, BufOffset); + pr_debug("%s: InfoBuffer: ", __func__); for (i = 0; i < BufLength; i++) { - DBG("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); + pr_debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset)); } - DBG("\n"); + pr_debug("\n"); #endif resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_SET_CMPLT); @@ -821,14 +816,14 @@ int rndis_msg_parser (u8 configNr, u8 *buf) /* For USB: responses may take up to 10 seconds */ switch (MsgType) { case REMOTE_NDIS_INITIALIZE_MSG: - DBG("%s: REMOTE_NDIS_INITIALIZE_MSG\n", + pr_debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", __func__ ); params->state = RNDIS_INITIALIZED; return rndis_init_response (configNr, (rndis_init_msg_type *) buf); case REMOTE_NDIS_HALT_MSG: - DBG("%s: REMOTE_NDIS_HALT_MSG\n", + pr_debug("%s: REMOTE_NDIS_HALT_MSG\n", __func__ ); params->state = RNDIS_UNINITIALIZED; if (params->dev) { @@ -846,7 +841,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf) (rndis_set_msg_type *) buf); case REMOTE_NDIS_RESET_MSG: - DBG("%s: REMOTE_NDIS_RESET_MSG\n", + pr_debug("%s: REMOTE_NDIS_RESET_MSG\n", __func__ ); return rndis_reset_response (configNr, (rndis_reset_msg_type *) buf); @@ -854,7 +849,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf) case REMOTE_NDIS_KEEPALIVE_MSG: /* For USB: host does this every 5 seconds */ if (rndis_debug > 1) - DBG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", + pr_debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", __func__ ); return rndis_keepalive_response (configNr, (rndis_keepalive_msg_type *) @@ -870,7 +865,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf) { unsigned i; for (i = 0; i < MsgLength; i += 16) { - DBG("%03d: " + pr_debug("%03d: " " %02x %02x %02x %02x" " %02x %02x %02x %02x" " %02x %02x %02x %02x" @@ -905,18 +900,18 @@ int rndis_register(void (*resp_avail)(void *v), void *v) rndis_per_dev_params [i].used = 1; rndis_per_dev_params [i].resp_avail = resp_avail; rndis_per_dev_params [i].v = v; - DBG("%s: configNr = %d\n", __func__, i); + pr_debug("%s: configNr = %d\n", __func__, i); return i; } } - DBG("failed\n"); + pr_debug("failed\n"); return -ENODEV; } void rndis_deregister (int configNr) { - DBG("%s: \n", __func__ ); + pr_debug("%s: \n", __func__); if (configNr >= RNDIS_MAX_CONFIGS) return; rndis_per_dev_params [configNr].used = 0; @@ -926,7 +921,7 @@ void rndis_deregister (int configNr) int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) { - DBG("%s:\n", __func__ ); + pr_debug("%s:\n", __func__); if (!dev) return -EINVAL; if (configNr >= RNDIS_MAX_CONFIGS) return -1; @@ -939,7 +934,7 @@ int rndis_set_param_dev(u8 configNr, struct net_device *dev, u16 *cdc_filter) int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr) { - DBG("%s:\n", __func__ ); + pr_debug("%s:\n", __func__); if (!vendorDescr) return -1; if (configNr >= RNDIS_MAX_CONFIGS) return -1; @@ -951,7 +946,7 @@ int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr) int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed) { - DBG("%s: %u %u\n", __func__, medium, speed); + pr_debug("%s: %u %u\n", __func__, medium, speed); if (configNr >= RNDIS_MAX_CONFIGS) return -1; rndis_per_dev_params [configNr].medium = medium; @@ -1114,7 +1109,7 @@ static ssize_t rndis_proc_write(struct file *file, const char __user *buffer, break; default: if (fl_speed) p->speed = speed; - else DBG("%c is not valid\n", c); + else pr_debug("%c is not valid\n", c); break; } @@ -1159,12 +1154,12 @@ int __init rndis_init (void) &rndis_proc_fops, (void *)(rndis_per_dev_params + i)))) { - DBG("%s :remove entries", __func__); + pr_debug("%s :remove entries", __func__); while (i) { sprintf (name, NAME_TEMPLATE, --i); remove_proc_entry (name, NULL); } - DBG("\n"); + pr_debug("\n"); return -EIO; } #endif -- GitLab From 346e15beb5343c2eb8216d820f2ed8f150822b08 Mon Sep 17 00:00:00 2001 From: Jason Baron Date: Tue, 12 Aug 2008 16:46:19 -0400 Subject: [PATCH 5271/6244] driver core: basic infrastructure for per-module dynamic debug messages Base infrastructure to enable per-module debug messages. I've introduced CONFIG_DYNAMIC_PRINTK_DEBUG, which when enabled centralizes control of debugging statements on a per-module basis in one /proc file, currently, /dynamic_printk/modules. When, CONFIG_DYNAMIC_PRINTK_DEBUG, is not set, debugging statements can still be enabled as before, often by defining 'DEBUG' for the proper compilation unit. Thus, this patch set has no affect when CONFIG_DYNAMIC_PRINTK_DEBUG is not set. The infrastructure currently ties into all pr_debug() and dev_dbg() calls. That is, if CONFIG_DYNAMIC_PRINTK_DEBUG is set, all pr_debug() and dev_dbg() calls can be dynamically enabled/disabled on a per-module basis. Future plans include extending this functionality to subsystems, that define their own debug levels and flags. Usage: Dynamic debugging is controlled by the debugfs file, /dynamic_printk/modules. This file contains a list of the modules that can be enabled. The format of the file is as follows: . . . : Name of the module in which the debug call resides : whether the messages are enabled or not For example: snd_hda_intel enabled=0 fixup enabled=1 driver enabled=0 Enable a module: $echo "set enabled=1 " > dynamic_printk/modules Disable a module: $echo "set enabled=0 " > dynamic_printk/modules Enable all modules: $echo "set enabled=1 all" > dynamic_printk/modules Disable all modules: $echo "set enabled=0 all" > dynamic_printk/modules Finally, passing "dynamic_printk" at the command line enables debugging for all modules. This mode can be turned off via the above disable command. [gkh: minor cleanups and tweaks to make the build work quietly] Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman --- Documentation/kernel-parameters.txt | 5 + include/asm-generic/vmlinux.lds.h | 10 +- include/linux/device.h | 6 +- include/linux/dynamic_printk.h | 93 +++++++ include/linux/kernel.h | 7 +- include/linux/module.h | 1 - kernel/module.c | 31 +++ lib/Kconfig.debug | 55 ++++ lib/Makefile | 2 + lib/dynamic_printk.c | 418 ++++++++++++++++++++++++++++ net/netfilter/nf_conntrack_pptp.c | 2 +- scripts/Makefile.lib | 11 +- scripts/basic/Makefile | 2 +- scripts/basic/hash.c | 64 +++++ 14 files changed, 700 insertions(+), 7 deletions(-) create mode 100644 include/linux/dynamic_printk.h create mode 100644 lib/dynamic_printk.c create mode 100644 scripts/basic/hash.c diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2443f5bb4364..b429c84ceef2 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1713,6 +1713,11 @@ and is between 256 and 4096 characters. It is defined in the file autoconfiguration. Ranges are in pairs (memory base and size). + dynamic_printk + Enables pr_debug()/dev_dbg() calls if + CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. These can also + be switched on/off via /dynamic_printk/modules + print-fatal-signals= [KNL] debug: print fatal signals print-fatal-signals=1: print segfault info to diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7440a0dceddb..74c5faf26c05 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -268,7 +268,15 @@ CPU_DISCARD(init.data) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.data) \ - MEM_DISCARD(init.rodata) + MEM_DISCARD(init.rodata) \ + /* implement dynamic printk debug */ \ + VMLINUX_SYMBOL(__start___verbose_strings) = .; \ + *(__verbose_strings) \ + VMLINUX_SYMBOL(__stop___verbose_strings) = .; \ + . = ALIGN(8); \ + VMLINUX_SYMBOL(__start___verbose) = .; \ + *(__verbose) \ + VMLINUX_SYMBOL(__stop___verbose) = .; #define INIT_TEXT \ *(.init.text) \ diff --git a/include/linux/device.h b/include/linux/device.h index 60f6456691a6..fb034461b395 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -550,7 +550,11 @@ extern const char *dev_driver_string(const struct device *dev); #define dev_info(dev, format, arg...) \ dev_printk(KERN_INFO , dev , format , ## arg) -#ifdef DEBUG +#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG) +#define dev_dbg(dev, format, ...) do { \ + dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ + } while (0) +#elif defined(DEBUG) #define dev_dbg(dev, format, arg...) \ dev_printk(KERN_DEBUG , dev , format , ## arg) #else diff --git a/include/linux/dynamic_printk.h b/include/linux/dynamic_printk.h new file mode 100644 index 000000000000..2d528d009074 --- /dev/null +++ b/include/linux/dynamic_printk.h @@ -0,0 +1,93 @@ +#ifndef _DYNAMIC_PRINTK_H +#define _DYNAMIC_PRINTK_H + +#define DYNAMIC_DEBUG_HASH_BITS 6 +#define DEBUG_HASH_TABLE_SIZE (1 << DYNAMIC_DEBUG_HASH_BITS) + +#define TYPE_BOOLEAN 1 + +#define DYNAMIC_ENABLED_ALL 0 +#define DYNAMIC_ENABLED_NONE 1 +#define DYNAMIC_ENABLED_SOME 2 + +extern int dynamic_enabled; + +/* dynamic_printk_enabled, and dynamic_printk_enabled2 are bitmasks in which + * bit n is set to 1 if any modname hashes into the bucket n, 0 otherwise. They + * use independent hash functions, to reduce the chance of false positives. + */ +extern long long dynamic_printk_enabled; +extern long long dynamic_printk_enabled2; + +struct mod_debug { + char *modname; + char *logical_modname; + char *flag_names; + int type; + int hash; + int hash2; +} __attribute__((aligned(8))); + +int register_dynamic_debug_module(char *mod_name, int type, char *share_name, + char *flags, int hash, int hash2); + +#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG) +extern int unregister_dynamic_debug_module(char *mod_name); +extern int __dynamic_dbg_enabled_helper(char *modname, int type, + int value, int hash); + +#define __dynamic_dbg_enabled(module, type, value, level, hash) ({ \ + int __ret = 0; \ + if (unlikely((dynamic_printk_enabled & (1LL << DEBUG_HASH)) && \ + (dynamic_printk_enabled2 & (1LL << DEBUG_HASH2)))) \ + __ret = __dynamic_dbg_enabled_helper(module, type, \ + value, hash);\ + __ret; }) + +#define dynamic_pr_debug(fmt, ...) do { \ + static char mod_name[] \ + __attribute__((section("__verbose_strings"))) \ + = KBUILD_MODNAME; \ + static struct mod_debug descriptor \ + __used \ + __attribute__((section("__verbose"), aligned(8))) = \ + { mod_name, mod_name, NULL, TYPE_BOOLEAN, DEBUG_HASH, DEBUG_HASH2 };\ + if (__dynamic_dbg_enabled(KBUILD_MODNAME, TYPE_BOOLEAN, \ + 0, 0, DEBUG_HASH)) \ + printk(KERN_DEBUG KBUILD_MODNAME ":" fmt, \ + ##__VA_ARGS__); \ + } while (0) + +#define dynamic_dev_dbg(dev, format, ...) do { \ + static char mod_name[] \ + __attribute__((section("__verbose_strings"))) \ + = KBUILD_MODNAME; \ + static struct mod_debug descriptor \ + __used \ + __attribute__((section("__verbose"), aligned(8))) = \ + { mod_name, mod_name, NULL, TYPE_BOOLEAN, DEBUG_HASH, DEBUG_HASH2 };\ + if (__dynamic_dbg_enabled(KBUILD_MODNAME, TYPE_BOOLEAN, \ + 0, 0, DEBUG_HASH)) \ + dev_printk(KERN_DEBUG, dev, \ + KBUILD_MODNAME ": " format, \ + ##__VA_ARGS__); \ + } while (0) + +#else + +static inline int unregister_dynamic_debug_module(const char *mod_name) +{ + return 0; +} +static inline int __dynamic_dbg_enabled_helper(char *modname, int type, + int value, int hash) +{ + return 0; +} + +#define __dynamic_dbg_enabled(module, type, value, level, hash) ({ 0; }) +#define dynamic_pr_debug(fmt, ...) do { } while (0) +#define dynamic_dev_dbg(dev, format, ...) do { } while (0) +#endif + +#endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 75d81f157d2e..ededb6e83b41 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -303,8 +304,12 @@ static inline char *pack_hex_byte(char *buf, u8 byte) #define pr_info(fmt, arg...) \ printk(KERN_INFO fmt, ##arg) -#ifdef DEBUG /* If you are writing a driver, please use dev_dbg instead */ +#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG) +#define pr_debug(fmt, ...) do { \ + dynamic_pr_debug(fmt, ##__VA_ARGS__); \ + } while (0) +#elif defined(DEBUG) #define pr_debug(fmt, arg...) \ printk(KERN_DEBUG fmt, ##arg) #else diff --git a/include/linux/module.h b/include/linux/module.h index 68e09557c951..a41555cbe00a 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -345,7 +345,6 @@ struct module /* Reference counts */ struct module_ref ref[NR_CPUS]; #endif - }; #ifndef MODULE_ARCH_INIT #define MODULE_ARCH_INIT {} diff --git a/kernel/module.c b/kernel/module.c index d5fcd24e5aff..c52700667292 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -784,6 +784,7 @@ sys_delete_module(const char __user *name_user, unsigned int flags) mutex_lock(&module_mutex); /* Store the name of the last unloaded module for diagnostic purposes */ strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module)); + unregister_dynamic_debug_module(mod->name); free_module(mod); out: @@ -1783,6 +1784,33 @@ static inline void add_kallsyms(struct module *mod, } #endif /* CONFIG_KALLSYMS */ +#ifdef CONFIG_DYNAMIC_PRINTK_DEBUG +static void dynamic_printk_setup(Elf_Shdr *sechdrs, unsigned int verboseindex) +{ + struct mod_debug *debug_info; + unsigned long pos, end; + unsigned int num_verbose; + + pos = sechdrs[verboseindex].sh_addr; + num_verbose = sechdrs[verboseindex].sh_size / + sizeof(struct mod_debug); + end = pos + (num_verbose * sizeof(struct mod_debug)); + + for (; pos < end; pos += sizeof(struct mod_debug)) { + debug_info = (struct mod_debug *)pos; + register_dynamic_debug_module(debug_info->modname, + debug_info->type, debug_info->logical_modname, + debug_info->flag_names, debug_info->hash, + debug_info->hash2); + } +} +#else +static inline void dynamic_printk_setup(Elf_Shdr *sechdrs, + unsigned int verboseindex) +{ +} +#endif /* CONFIG_DYNAMIC_PRINTK_DEBUG */ + static void *module_alloc_update_bounds(unsigned long size) { void *ret = module_alloc(size); @@ -1831,6 +1859,7 @@ static noinline struct module *load_module(void __user *umod, #endif unsigned int markersindex; unsigned int markersstringsindex; + unsigned int verboseindex; struct module *mod; long err = 0; void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */ @@ -2117,6 +2146,7 @@ static noinline struct module *load_module(void __user *umod, markersindex = find_sec(hdr, sechdrs, secstrings, "__markers"); markersstringsindex = find_sec(hdr, sechdrs, secstrings, "__markers_strings"); + verboseindex = find_sec(hdr, sechdrs, secstrings, "__verbose"); /* Now do relocations. */ for (i = 1; i < hdr->e_shnum; i++) { @@ -2167,6 +2197,7 @@ static noinline struct module *load_module(void __user *umod, marker_update_probe_range(mod->markers, mod->markers + mod->num_markers); #endif + dynamic_printk_setup(sechdrs, verboseindex); err = module_finalize(hdr, sechdrs, mod); if (err < 0) goto cleanup; diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index aa81d2848448..31d784dd80d0 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -807,6 +807,61 @@ menuconfig BUILD_DOCSRC Say N if you are unsure. +config DYNAMIC_PRINTK_DEBUG + bool "Enable dynamic printk() call support" + default n + depends on PRINTK + select PRINTK_DEBUG + help + + Compiles debug level messages into the kernel, which would not + otherwise be available at runtime. These messages can then be + enabled/disabled on a per module basis. This mechanism implicitly + enables all pr_debug() and dev_dbg() calls. The impact of this + compile option is a larger kernel text size of about 2%. + + Usage: + + Dynamic debugging is controlled by the debugfs file, + dynamic_printk/modules. This file contains a list of the modules that + can be enabled. The format of the file is the module name, followed + by a set of flags that can be enabled. The first flag is always the + 'enabled' flag. For example: + + + . + . + . + + : Name of the module in which the debug call resides + : whether the messages are enabled or not + + From a live system: + + snd_hda_intel enabled=0 + fixup enabled=0 + driver enabled=0 + + Enable a module: + + $echo "set enabled=1 " > dynamic_printk/modules + + Disable a module: + + $echo "set enabled=0 " > dynamic_printk/modules + + Enable all modules: + + $echo "set enabled=1 all" > dynamic_printk/modules + + Disable all modules: + + $echo "set enabled=0 all" > dynamic_printk/modules + + Finally, passing "dynamic_printk" at the command line enables + debugging for all modules. This mode can be turned off via the above + disable command. + source "samples/Kconfig" source "lib/Kconfig.kgdb" diff --git a/lib/Makefile b/lib/Makefile index 44001af76a7d..16feaab057b2 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -81,6 +81,8 @@ obj-$(CONFIG_HAVE_LMB) += lmb.o obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o +obj-$(CONFIG_DYNAMIC_PRINTK_DEBUG) += dynamic_printk.o + hostprogs-y := gen_crc32table clean-files := crc32table.h diff --git a/lib/dynamic_printk.c b/lib/dynamic_printk.c new file mode 100644 index 000000000000..d640f87bdc9e --- /dev/null +++ b/lib/dynamic_printk.c @@ -0,0 +1,418 @@ +/* + * lib/dynamic_printk.c + * + * make pr_debug()/dev_dbg() calls runtime configurable based upon their + * their source module. + * + * Copyright (C) 2008 Red Hat, Inc., Jason Baron + */ + +#include +#include +#include +#include +#include +#include + +extern struct mod_debug __start___verbose[]; +extern struct mod_debug __stop___verbose[]; + +struct debug_name { + struct hlist_node hlist; + struct hlist_node hlist2; + int hash1; + int hash2; + char *name; + int enable; + int type; +}; + +static int nr_entries; +static int num_enabled; +int dynamic_enabled = DYNAMIC_ENABLED_NONE; +static struct hlist_head module_table[DEBUG_HASH_TABLE_SIZE] = + { [0 ... DEBUG_HASH_TABLE_SIZE-1] = HLIST_HEAD_INIT }; +static struct hlist_head module_table2[DEBUG_HASH_TABLE_SIZE] = + { [0 ... DEBUG_HASH_TABLE_SIZE-1] = HLIST_HEAD_INIT }; +static DECLARE_MUTEX(debug_list_mutex); + +/* dynamic_printk_enabled, and dynamic_printk_enabled2 are bitmasks in which + * bit n is set to 1 if any modname hashes into the bucket n, 0 otherwise. They + * use independent hash functions, to reduce the chance of false positives. + */ +long long dynamic_printk_enabled; +EXPORT_SYMBOL_GPL(dynamic_printk_enabled); +long long dynamic_printk_enabled2; +EXPORT_SYMBOL_GPL(dynamic_printk_enabled2); + +/* returns the debug module pointer. */ +static struct debug_name *find_debug_module(char *module_name) +{ + int i; + struct hlist_head *head; + struct hlist_node *node; + struct debug_name *element; + + element = NULL; + for (i = 0; i < DEBUG_HASH_TABLE_SIZE; i++) { + head = &module_table[i]; + hlist_for_each_entry_rcu(element, node, head, hlist) + if (!strcmp(element->name, module_name)) + return element; + } + return NULL; +} + +/* returns the debug module pointer. */ +static struct debug_name *find_debug_module_hash(char *module_name, int hash) +{ + struct hlist_head *head; + struct hlist_node *node; + struct debug_name *element; + + element = NULL; + head = &module_table[hash]; + hlist_for_each_entry_rcu(element, node, head, hlist) + if (!strcmp(element->name, module_name)) + return element; + return NULL; +} + +/* caller must hold mutex*/ +static int __add_debug_module(char *mod_name, int hash, int hash2) +{ + struct debug_name *new; + char *module_name; + int ret = 0; + + if (find_debug_module(mod_name)) { + ret = -EINVAL; + goto out; + } + module_name = kmalloc(strlen(mod_name) + 1, GFP_KERNEL); + if (!module_name) { + ret = -ENOMEM; + goto out; + } + module_name = strcpy(module_name, mod_name); + module_name[strlen(mod_name)] = '\0'; + new = kzalloc(sizeof(struct debug_name), GFP_KERNEL); + if (!new) { + kfree(module_name); + ret = -ENOMEM; + goto out; + } + INIT_HLIST_NODE(&new->hlist); + INIT_HLIST_NODE(&new->hlist2); + new->name = module_name; + new->hash1 = hash; + new->hash2 = hash2; + hlist_add_head_rcu(&new->hlist, &module_table[hash]); + hlist_add_head_rcu(&new->hlist2, &module_table2[hash2]); + nr_entries++; +out: + return ret; +} + +int unregister_dynamic_debug_module(char *mod_name) +{ + struct debug_name *element; + int ret = 0; + + down(&debug_list_mutex); + element = find_debug_module(mod_name); + if (!element) { + ret = -EINVAL; + goto out; + } + hlist_del_rcu(&element->hlist); + hlist_del_rcu(&element->hlist2); + synchronize_rcu(); + kfree(element->name); + if (element->enable) + num_enabled--; + kfree(element); + nr_entries--; +out: + up(&debug_list_mutex); + return 0; +} +EXPORT_SYMBOL_GPL(unregister_dynamic_debug_module); + +int register_dynamic_debug_module(char *mod_name, int type, char *share_name, + char *flags, int hash, int hash2) +{ + struct debug_name *elem; + int ret = 0; + + down(&debug_list_mutex); + elem = find_debug_module(mod_name); + if (!elem) { + if (__add_debug_module(mod_name, hash, hash2)) + goto out; + elem = find_debug_module(mod_name); + if (dynamic_enabled == DYNAMIC_ENABLED_ALL && + !strcmp(mod_name, share_name)) { + elem->enable = true; + num_enabled++; + } + } + elem->type |= type; +out: + up(&debug_list_mutex); + return ret; +} +EXPORT_SYMBOL_GPL(register_dynamic_debug_module); + +int __dynamic_dbg_enabled_helper(char *mod_name, int type, int value, int hash) +{ + struct debug_name *elem; + int ret = 0; + + if (dynamic_enabled == DYNAMIC_ENABLED_ALL) + return 1; + rcu_read_lock(); + elem = find_debug_module_hash(mod_name, hash); + if (elem && elem->enable) + ret = 1; + rcu_read_unlock(); + return ret; +} +EXPORT_SYMBOL_GPL(__dynamic_dbg_enabled_helper); + +static void set_all(bool enable) +{ + struct debug_name *e; + struct hlist_node *node; + int i; + long long enable_mask; + + for (i = 0; i < DEBUG_HASH_TABLE_SIZE; i++) { + if (module_table[i].first != NULL) { + hlist_for_each_entry(e, node, &module_table[i], hlist) { + e->enable = enable; + } + } + } + if (enable) + enable_mask = ULLONG_MAX; + else + enable_mask = 0; + dynamic_printk_enabled = enable_mask; + dynamic_printk_enabled2 = enable_mask; +} + +static int disabled_hash(int i, bool first_table) +{ + struct debug_name *e; + struct hlist_node *node; + + if (first_table) { + hlist_for_each_entry(e, node, &module_table[i], hlist) { + if (e->enable) + return 0; + } + } else { + hlist_for_each_entry(e, node, &module_table2[i], hlist2) { + if (e->enable) + return 0; + } + } + return 1; +} + +static ssize_t pr_debug_write(struct file *file, const char __user *buf, + size_t length, loff_t *ppos) +{ + char *buffer, *s, *value_str, *setting_str; + int err, value; + struct debug_name *elem = NULL; + int all = 0; + + if (length > PAGE_SIZE || length < 0) + return -EINVAL; + + buffer = (char *)__get_free_page(GFP_KERNEL); + if (!buffer) + return -ENOMEM; + + err = -EFAULT; + if (copy_from_user(buffer, buf, length)) + goto out; + + err = -EINVAL; + if (length < PAGE_SIZE) + buffer[length] = '\0'; + else if (buffer[PAGE_SIZE-1]) + goto out; + + err = -EINVAL; + down(&debug_list_mutex); + + if (strncmp("set", buffer, 3)) + goto out_up; + s = buffer + 3; + setting_str = strsep(&s, "="); + if (s == NULL) + goto out_up; + setting_str = strstrip(setting_str); + value_str = strsep(&s, " "); + if (s == NULL) + goto out_up; + s = strstrip(s); + if (!strncmp(s, "all", 3)) + all = 1; + else + elem = find_debug_module(s); + if (!strncmp(setting_str, "enable", 6)) { + value = !!simple_strtol(value_str, NULL, 10); + if (all) { + if (value) { + set_all(true); + num_enabled = nr_entries; + dynamic_enabled = DYNAMIC_ENABLED_ALL; + } else { + set_all(false); + num_enabled = 0; + dynamic_enabled = DYNAMIC_ENABLED_NONE; + } + err = 0; + } else { + if (elem) { + if (value && (elem->enable == 0)) { + dynamic_printk_enabled |= + (1LL << elem->hash1); + dynamic_printk_enabled2 |= + (1LL << elem->hash2); + elem->enable = 1; + num_enabled++; + dynamic_enabled = DYNAMIC_ENABLED_SOME; + err = 0; + printk(KERN_DEBUG + "debugging enabled for module %s", + elem->name); + } else if (!value && (elem->enable == 1)) { + elem->enable = 0; + num_enabled--; + if (disabled_hash(elem->hash1, true)) + dynamic_printk_enabled &= + ~(1LL << elem->hash1); + if (disabled_hash(elem->hash2, false)) + dynamic_printk_enabled2 &= + ~(1LL << elem->hash2); + if (num_enabled) + dynamic_enabled = + DYNAMIC_ENABLED_SOME; + else + dynamic_enabled = + DYNAMIC_ENABLED_NONE; + err = 0; + printk(KERN_DEBUG + "debugging disabled for module " + "%s", elem->name); + } + } + } + } + if (!err) + err = length; +out_up: + up(&debug_list_mutex); +out: + free_page((unsigned long)buffer); + return err; +} + +static void *pr_debug_seq_start(struct seq_file *f, loff_t *pos) +{ + return (*pos < DEBUG_HASH_TABLE_SIZE) ? pos : NULL; +} + +static void *pr_debug_seq_next(struct seq_file *s, void *v, loff_t *pos) +{ + (*pos)++; + if (*pos >= DEBUG_HASH_TABLE_SIZE) + return NULL; + return pos; +} + +static void pr_debug_seq_stop(struct seq_file *s, void *v) +{ + /* Nothing to do */ +} + +static int pr_debug_seq_show(struct seq_file *s, void *v) +{ + struct hlist_head *head; + struct hlist_node *node; + struct debug_name *elem; + unsigned int i = *(loff_t *) v; + + rcu_read_lock(); + head = &module_table[i]; + hlist_for_each_entry_rcu(elem, node, head, hlist) { + seq_printf(s, "%s enabled=%d", elem->name, elem->enable); + seq_printf(s, "\n"); + } + rcu_read_unlock(); + return 0; +} + +static struct seq_operations pr_debug_seq_ops = { + .start = pr_debug_seq_start, + .next = pr_debug_seq_next, + .stop = pr_debug_seq_stop, + .show = pr_debug_seq_show +}; + +static int pr_debug_open(struct inode *inode, struct file *filp) +{ + return seq_open(filp, &pr_debug_seq_ops); +} + +static const struct file_operations pr_debug_operations = { + .open = pr_debug_open, + .read = seq_read, + .write = pr_debug_write, + .llseek = seq_lseek, + .release = seq_release, +}; + +static int __init dynamic_printk_init(void) +{ + struct dentry *dir, *file; + struct mod_debug *iter; + unsigned long value; + + dir = debugfs_create_dir("dynamic_printk", NULL); + if (!dir) + return -ENOMEM; + file = debugfs_create_file("modules", 0644, dir, NULL, + &pr_debug_operations); + if (!file) { + debugfs_remove(dir); + return -ENOMEM; + } + for (value = (unsigned long)__start___verbose; + value < (unsigned long)__stop___verbose; + value += sizeof(struct mod_debug)) { + iter = (struct mod_debug *)value; + register_dynamic_debug_module(iter->modname, + iter->type, + iter->logical_modname, + iter->flag_names, iter->hash, iter->hash2); + } + return 0; +} +module_init(dynamic_printk_init); +/* may want to move this earlier so we can get traces as early as possible */ + +static int __init dynamic_printk_setup(char *str) +{ + if (str) + return -ENOENT; + set_all(true); + return 0; +} +/* Use early_param(), so we can get debug output as early as possible */ +early_param("dynamic_printk", dynamic_printk_setup); diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 373e51e91ce5..1bc3001d1827 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -65,7 +65,7 @@ void struct nf_conntrack_expect *exp) __read_mostly; EXPORT_SYMBOL_GPL(nf_nat_pptp_hook_expectfn); -#ifdef DEBUG +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_PRINTK_DEBUG) /* PptpControlMessageType names */ const char *const pptp_msg_name[] = { "UNKNOWN_MESSAGE", diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index ea48b82a3707..b4ca38a21158 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -96,6 +96,14 @@ basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" modname_flags = $(if $(filter 1,$(words $(modname))),\ -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))") +#hash values +ifdef CONFIG_DYNAMIC_PRINTK_DEBUG +debug_flags = -D"DEBUG_HASH=$(shell ./scripts/basic/hash djb2 $(@D)$(modname))"\ + -D"DEBUG_HASH2=$(shell ./scripts/basic/hash r5 $(@D)$(modname))" +else +debug_flags = +endif + orig_c_flags = $(KBUILD_CFLAGS) $(ccflags-y) $(CFLAGS_$(basetarget).o) _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) _a_flags = $(KBUILD_AFLAGS) $(asflags-y) $(AFLAGS_$(basetarget).o) @@ -121,7 +129,8 @@ endif c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \ $(__c_flags) $(modkern_cflags) \ - -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) + -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) \ + $(debug_flags) a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(KBUILD_CPPFLAGS) \ $(__a_flags) $(modkern_aflags) diff --git a/scripts/basic/Makefile b/scripts/basic/Makefile index 4c324a1f1e0e..09559951df12 100644 --- a/scripts/basic/Makefile +++ b/scripts/basic/Makefile @@ -9,7 +9,7 @@ # fixdep: Used to generate dependency information during build process # docproc: Used in Documentation/DocBook -hostprogs-y := fixdep docproc +hostprogs-y := fixdep docproc hash always := $(hostprogs-y) # fixdep is needed to compile other host programs diff --git a/scripts/basic/hash.c b/scripts/basic/hash.c new file mode 100644 index 000000000000..3299ad7fc8c0 --- /dev/null +++ b/scripts/basic/hash.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2008 Red Hat, Inc., Jason Baron + * + */ + +#include +#include +#include + +#define DYNAMIC_DEBUG_HASH_BITS 6 + +static const char *program; + +static void usage(void) +{ + printf("Usage: %s \n", program); + exit(1); +} + +/* djb2 hashing algorithm by Dan Bernstein. From: + * http://www.cse.yorku.ca/~oz/hash.html + */ + +unsigned int djb2_hash(char *str) +{ + unsigned long hash = 5381; + int c; + + c = *str; + while (c) { + hash = ((hash << 5) + hash) + c; + c = *++str; + } + return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1)); +} + +unsigned int r5_hash(char *str) +{ + unsigned long hash = 0; + int c; + + c = *str; + while (c) { + hash = (hash + (c << 4) + (c >> 4)) * 11; + c = *++str; + } + return (unsigned int)(hash & ((1 << DYNAMIC_DEBUG_HASH_BITS) - 1)); +} + +int main(int argc, char *argv[]) +{ + program = argv[0]; + + if (argc != 3) + usage(); + if (!strcmp(argv[1], "djb2")) + printf("%d\n", djb2_hash(argv[2])); + else if (!strcmp(argv[1], "r5")) + printf("%d\n", r5_hash(argv[2])); + else + usage(); + exit(0); +} + -- GitLab From ec748fa9ed3fec44aeebbf86ae050b0cc7a978d9 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Mon, 21 Jul 2008 22:33:36 +0300 Subject: [PATCH 5272/6244] driver core: make struct platform_pm_ops static This patch makes the needlessly global struct platform_pm_ops static. Signed-off-by: Adrian Bunk Signed-off-by: Greg Kroah-Hartman --- drivers/base/platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 3f940393d6c7..e621dade7eaa 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -862,7 +862,7 @@ static int platform_pm_restore_noirq(struct device *dev) #endif /* !CONFIG_HIBERNATION */ -struct pm_ext_ops platform_pm_ops = { +static struct pm_ext_ops platform_pm_ops = { .base = { .prepare = platform_pm_prepare, .complete = platform_pm_complete, -- GitLab From f1282c844e86db5a041afa41335b5f9eea6cec0c Mon Sep 17 00:00:00 2001 From: Neil Brown Date: Wed, 16 Jul 2008 08:58:04 +1000 Subject: [PATCH 5273/6244] sysfs: Support sysfs_notify from atomic context with new sysfs_notify_dirent Support sysfs_notify from atomic context with new sysfs_notify_dirent sysfs_notify currently takes sysfs_mutex. This means that it cannot be called in atomic context. sysfs_mutex is sometimes held over a malloc (sysfs_rename_dir) so it can block on low memory. In md I want to be able to notify on a sysfs attribute from atomic context, and I don't want to block on low memory because I could be in the writeout path for freeing memory. So: - export the "sysfs_dirent" structure along with sysfs_get, sysfs_put and sysfs_get_dirent so I can get the sysfs_dirent that I want to notify on and hold it in an md structure. - split sysfs_notify_dirent out of sysfs_notify so the sysfs_dirent can be notified on with no blocking (just a spinlock). Signed-off-by: Neil Brown Acked-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/dir.c | 1 + fs/sysfs/file.c | 31 ++++++++++++++++++------------- fs/sysfs/mount.c | 15 +++++++++++++++ fs/sysfs/sysfs.h | 6 ++++-- include/linux/sysfs.h | 27 ++++++++++++++++++++++++--- 5 files changed, 62 insertions(+), 18 deletions(-) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index aedaeba82ae5..53bc7fc31af3 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -636,6 +636,7 @@ struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd, return sd; } +EXPORT_SYMBOL_GPL(sysfs_get_dirent); static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd, const char *name, struct sysfs_dirent **p_sd) diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index ce8339c70a4b..d0d79e6b6d11 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -453,6 +453,22 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait) return POLLERR|POLLPRI; } +void sysfs_notify_dirent(struct sysfs_dirent *sd) +{ + struct sysfs_open_dirent *od; + + spin_lock(&sysfs_open_dirent_lock); + + od = sd->s_attr.open; + if (od) { + atomic_inc(&od->event); + wake_up_interruptible(&od->poll); + } + + spin_unlock(&sysfs_open_dirent_lock); +} +EXPORT_SYMBOL_GPL(sysfs_notify_dirent); + void sysfs_notify(struct kobject *k, char *dir, char *attr) { struct sysfs_dirent *sd = k->sd; @@ -463,19 +479,8 @@ void sysfs_notify(struct kobject *k, char *dir, char *attr) sd = sysfs_find_dirent(sd, dir); if (sd && attr) sd = sysfs_find_dirent(sd, attr); - if (sd) { - struct sysfs_open_dirent *od; - - spin_lock(&sysfs_open_dirent_lock); - - od = sd->s_attr.open; - if (od) { - atomic_inc(&od->event); - wake_up_interruptible(&od->poll); - } - - spin_unlock(&sysfs_open_dirent_lock); - } + if (sd) + sysfs_notify_dirent(sd); mutex_unlock(&sysfs_mutex); } diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 14f0023984d7..ab343e371d64 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "sysfs.h" @@ -115,3 +116,17 @@ out_err: sysfs_dir_cachep = NULL; goto out; } + +#undef sysfs_get +struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd) +{ + return __sysfs_get(sd); +} +EXPORT_SYMBOL_GPL(sysfs_get); + +#undef sysfs_put +void sysfs_put(struct sysfs_dirent *sd) +{ + __sysfs_put(sd); +} +EXPORT_SYMBOL_GPL(sysfs_put); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index a5db496f71c7..93c6d6b27c4d 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -124,7 +124,7 @@ int sysfs_create_subdir(struct kobject *kobj, const char *name, struct sysfs_dirent **p_sd); void sysfs_remove_subdir(struct sysfs_dirent *sd); -static inline struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd) +static inline struct sysfs_dirent *__sysfs_get(struct sysfs_dirent *sd) { if (sd) { WARN_ON(!atomic_read(&sd->s_count)); @@ -132,12 +132,14 @@ static inline struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd) } return sd; } +#define sysfs_get(sd) __sysfs_get(sd) -static inline void sysfs_put(struct sysfs_dirent *sd) +static inline void __sysfs_put(struct sysfs_dirent *sd) { if (sd && atomic_dec_and_test(&sd->s_count)) release_sysfs_dirent(sd); } +#define sysfs_put(sd) __sysfs_put(sd) /* * inode.c diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 8ec406afb3eb..d8e0230f1e68 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -78,6 +78,8 @@ struct sysfs_ops { ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t); }; +struct sysfs_dirent; + #ifdef CONFIG_SYSFS int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *), @@ -118,10 +120,13 @@ void sysfs_remove_file_from_group(struct kobject *kobj, const struct attribute *attr, const char *group); void sysfs_notify(struct kobject *kobj, char *dir, char *attr); - +void sysfs_notify_dirent(struct sysfs_dirent *sd); +struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd, + const unsigned char *name); +struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd); +void sysfs_put(struct sysfs_dirent *sd); void sysfs_printk_last_file(void); - -extern int __must_check sysfs_init(void); +int __must_check sysfs_init(void); #else /* CONFIG_SYSFS */ @@ -227,6 +232,22 @@ static inline void sysfs_remove_file_from_group(struct kobject *kobj, static inline void sysfs_notify(struct kobject *kobj, char *dir, char *attr) { } +static inline void sysfs_notify_dirent(struct sysfs_dirent *sd) +{ +} +static inline +struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd, + const unsigned char *name) +{ + return NULL; +} +static inline struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd) +{ + return NULL; +} +static inline void sysfs_put(struct sysfs_dirent *sd) +{ +} static inline int __must_check sysfs_init(void) { -- GitLab From 9cf899d12583082c77a0fcc758f3179b440518ee Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 12 Aug 2008 15:43:59 -0400 Subject: [PATCH 5274/6244] drivers/firmware/iscsi_ibft.c: make 3 functions static This patch makes the following needlessly global functions static: - ibft_attr_show_initiator() - ibft_attr_show_nic() - ibft_attr_show_target() Signed-off-by: Adrian Bunk Signed-off-by: Konrad Rzeszutek Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/iscsi_ibft.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index b91ef63126ed..deb154aa47c4 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -334,9 +334,9 @@ static void ibft_release(struct kobject *kobj) /* * Routines for parsing the iBFT data to be human readable. */ -ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry, - struct ibft_attribute *attr, - char *buf) +static ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry, + struct ibft_attribute *attr, + char *buf) { struct ibft_initiator *initiator = entry->initiator; void *ibft_loc = entry->header; @@ -376,9 +376,9 @@ ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry, return str - buf; } -ssize_t ibft_attr_show_nic(struct ibft_kobject *entry, - struct ibft_attribute *attr, - char *buf) +static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry, + struct ibft_attribute *attr, + char *buf) { struct ibft_nic *nic = entry->nic; void *ibft_loc = entry->header; @@ -440,9 +440,9 @@ ssize_t ibft_attr_show_nic(struct ibft_kobject *entry, return str - buf; }; -ssize_t ibft_attr_show_target(struct ibft_kobject *entry, - struct ibft_attribute *attr, - char *buf) +static ssize_t ibft_attr_show_target(struct ibft_kobject *entry, + struct ibft_attribute *attr, + char *buf) { struct ibft_tgt *tgt = entry->tgt; void *ibft_loc = entry->header; -- GitLab From 5739411acbaa63a6c22c91e340fdcdbcc7d82a51 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 3 Sep 2008 18:26:40 +0200 Subject: [PATCH 5275/6244] Driver core: Clarify device cleanup. Make the comments on how to use device_initialize(), device_add() and device_register() a bit clearer - in particular, explicitly note that put_device() must be used once we tried to add the device to the hierarchy. Signed-off-by: Cornelia Huck Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index b98cb1416a2d..aac91e89d6af 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -523,11 +523,16 @@ static void klist_children_put(struct klist_node *n) * device_initialize - init device structure. * @dev: device. * - * This prepares the device for use by other layers, - * including adding it to the device hierarchy. + * This prepares the device for use by other layers by initializing + * its fields. * It is the first half of device_register(), if called by - * that, though it can also be called separately, so one - * may use @dev's fields (e.g. the refcount). + * that function, though it can also be called separately, so one + * may use @dev's fields. In particular, get_device()/put_device() + * may be used for reference counting of @dev after calling this + * function. + * + * NOTE: Use put_device() to give up your reference instead of freeing + * @dev directly once you have called this function. */ void device_initialize(struct device *dev) { @@ -835,9 +840,13 @@ static void device_remove_sys_dev_entry(struct device *dev) * This is part 2 of device_register(), though may be called * separately _iff_ device_initialize() has been called separately. * - * This adds it to the kobject hierarchy via kobject_add(), adds it + * This adds @dev to the kobject hierarchy via kobject_add(), adds it * to the global and sibling lists for the device, then * adds it to the other relevant subsystems of the driver model. + * + * NOTE: _Never_ directly free @dev after calling this function, even + * if it returned an error! Always use put_device() to give up your + * reference instead. */ int device_add(struct device *dev) { @@ -965,6 +974,10 @@ done: * I.e. you should only call the two helpers separately if * have a clearly defined need to use and refcount the device * before it is added to the hierarchy. + * + * NOTE: _Never_ directly free @dev after calling this function, even + * if it returned an error! Always use put_device() to give up the + * reference initialized in this function instead. */ int device_register(struct device *dev) { -- GitLab From 286661b3777897220ecfcd774bccc68a34667f39 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 3 Sep 2008 18:26:41 +0200 Subject: [PATCH 5276/6244] Driver core: Fix cleanup in device_create_vargs(). If device_register() in device_create_vargs() fails, the device must be cleaned up with put_device() (which is also fine on NULL) instead of kfree(). Signed-off-by: Cornelia Huck Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/core.c b/drivers/base/core.c index aac91e89d6af..9649d1c422a4 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1256,7 +1256,7 @@ struct device *device_create_vargs(struct class *class, struct device *parent, return dev; error: - kfree(dev); + put_device(dev); return ERR_PTR(retval); } EXPORT_SYMBOL_GPL(device_create_vargs); -- GitLab From 6cd49586090187a2a145bb6570fb2392f121aa22 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sun, 14 Sep 2008 08:32:06 -0700 Subject: [PATCH 5277/6244] device model: Do a quickcheck for driver binding before doing an expensive check This patch adds a quick check for the driver<->device match before taking the locks and doin gthe expensive checks. Taking the lock hurts in asynchronous boot context where the device lock gets hit; one of the init functions takes the lock and goes to do an expensive hardware init; the other init functions walk the same PCI list and get stuck on the lock as a result. For the common case, we can know there's no chance whatsoever of a match if the device isn't in the drivers ID table... so this patch does that check as a best-effort-avoid-the-lock approach. Bootcharts for before and after can be seen at http://www.fenrus.org/before.svg http://www.fenrus.org/after.svg Note the long time "agp_ali_init" takes in the first graph; my laptop doesn't even have an ALI chip in it! (the bootgraphs look a bit dissimilar, but that's the point, the first one has a bunch of arbitrary delays in it that cause it to look very different) This reduces my kernel boot time by about 20% Signed-off-by: Arjan van de Ven Cc: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/base/dd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 3ac443b2ac08..20febc00a525 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -257,6 +257,9 @@ static int __driver_attach(struct device *dev, void *data) * is an error. */ + if (drv->bus->match && !drv->bus->match(dev, drv)) + return 0; + if (dev->parent) /* Needed for USB */ down(&dev->parent->sem); down(&dev->sem); -- GitLab From b31ca3f5dfc89c3f1f654b30f0760d0e2fb15e45 Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Fri, 12 Sep 2008 11:24:11 +0200 Subject: [PATCH 5278/6244] sysfs: fix deadlock On Thu, Sep 11, 2008 at 10:27:10AM +0200, Ingo Molnar wrote: > and it's working fine on most boxes. One testbox found this new locking > scenario: > > PM: Adding info for No Bus:vcsa7 > EDAC DEBUG: MC0: i82860_check() > > ======================================================= > [ INFO: possible circular locking dependency detected ] > 2.6.27-rc6-tip #1 > ------------------------------------------------------- > X/4873 is trying to acquire lock: > (&bb->mutex){--..}, at: [] mmap+0x40/0xa0 > > but task is already holding lock: > (&mm->mmap_sem){----}, at: [] sys_mmap2+0x8e/0xc0 > > which lock already depends on the new lock. > > > the existing dependency chain (in reverse order) is: > > -> #1 (&mm->mmap_sem){----}: > [] validate_chain+0xa96/0xf50 > [] __lock_acquire+0x2cb/0x5b0 > [] lock_acquire+0x89/0xc0 > [] might_fault+0x6b/0x90 > [] copy_to_user+0x38/0x60 > [] read+0xfb/0x170 > [] vfs_read+0x95/0x110 > [] sys_pread64+0x63/0x80 > [] sysenter_do_call+0x12/0x43 > [] 0xffffffff > > -> #0 (&bb->mutex){--..}: > [] validate_chain+0x6b7/0xf50 > [] __lock_acquire+0x2cb/0x5b0 > [] lock_acquire+0x89/0xc0 > [] __mutex_lock_common+0xab/0x3c0 > [] mutex_lock_nested+0x38/0x50 > [] mmap+0x40/0xa0 > [] mmap_region+0x14e/0x450 > [] do_mmap_pgoff+0x2ef/0x310 > [] sys_mmap2+0xad/0xc0 > [] sysenter_do_call+0x12/0x43 > [] 0xffffffff > > other info that might help us debug this: > > 1 lock held by X/4873: > #0: (&mm->mmap_sem){----}, at: [] sys_mmap2+0x8e/0xc0 > > stack backtrace: > Pid: 4873, comm: X Not tainted 2.6.27-rc6-tip #1 > [] print_circular_bug_tail+0x79/0xc0 > [] validate_chain+0x6b7/0xf50 > [] ? trace_hardirqs_off_caller+0x15/0xb0 > [] __lock_acquire+0x2cb/0x5b0 > [] lock_acquire+0x89/0xc0 > [] ? mmap+0x40/0xa0 > [] __mutex_lock_common+0xab/0x3c0 > [] ? mmap+0x40/0xa0 > [] mutex_lock_nested+0x38/0x50 > [] ? mmap+0x40/0xa0 > [] mmap+0x40/0xa0 > [] mmap_region+0x14e/0x450 > [] ? arch_get_unmapped_area_topdown+0xf8/0x160 > [] do_mmap_pgoff+0x2ef/0x310 > [] sys_mmap2+0xad/0xc0 > [] sysenter_do_call+0x12/0x43 > [] ? __switch_to+0x130/0x220 > ======================= > evbug.c: Event. Dev: input3, Type: 20, Code: 0, Value: 500 > warning: `sudo' uses deprecated v2 capabilities in a way that may be insecure. > > i've attached the config. > > at first sight it looks like a genuine bug in fs/sysfs/bin.c? Yes, it is a real bug by the looks. bin.c takes bb->mutex under mmap_sem when it is mmapped, and then does its copy_*_user under bb->mutex too. Here is a basic fix for the sysfs lor. From: Nick Piggin Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/bin.c | 42 +++++++++++++++++++++++++++++++----------- 1 file changed, 31 insertions(+), 11 deletions(-) diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index 006fc64227dd..66f6e58a7e4b 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -61,6 +61,7 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off) int size = dentry->d_inode->i_size; loff_t offs = *off; int count = min_t(size_t, bytes, PAGE_SIZE); + char *temp; if (size) { if (offs > size) @@ -69,23 +70,33 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off) count = size - offs; } + temp = kmalloc(count, GFP_KERNEL); + if (!temp) + return -ENOMEM; + mutex_lock(&bb->mutex); count = fill_read(dentry, bb->buffer, offs, count); - if (count < 0) - goto out_unlock; + if (count < 0) { + mutex_unlock(&bb->mutex); + goto out_free; + } - if (copy_to_user(userbuf, bb->buffer, count)) { + memcpy(temp, bb->buffer, count); + + mutex_unlock(&bb->mutex); + + if (copy_to_user(userbuf, temp, count)) { count = -EFAULT; - goto out_unlock; + goto out_free; } pr_debug("offs = %lld, *off = %lld, count = %d\n", offs, *off, count); *off = offs + count; - out_unlock: - mutex_unlock(&bb->mutex); + out_free: + kfree(temp); return count; } @@ -118,6 +129,7 @@ static ssize_t write(struct file *file, const char __user *userbuf, int size = dentry->d_inode->i_size; loff_t offs = *off; int count = min_t(size_t, bytes, PAGE_SIZE); + char *temp; if (size) { if (offs > size) @@ -126,19 +138,27 @@ static ssize_t write(struct file *file, const char __user *userbuf, count = size - offs; } - mutex_lock(&bb->mutex); + temp = kmalloc(count, GFP_KERNEL); + if (!temp) + return -ENOMEM; - if (copy_from_user(bb->buffer, userbuf, count)) { + if (copy_from_user(temp, userbuf, count)) { count = -EFAULT; - goto out_unlock; + goto out_free; } + mutex_lock(&bb->mutex); + + memcpy(bb->buffer, temp, count); + count = flush_write(dentry, bb->buffer, offs, count); + mutex_unlock(&bb->mutex); + if (count > 0) *off = offs + count; - out_unlock: - mutex_unlock(&bb->mutex); +out_free: + kfree(temp); return count; } -- GitLab From e61396627f91abb855ddd8925be9172fb5871944 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 20 Sep 2008 19:08:39 -0700 Subject: [PATCH 5279/6244] debug: Introduce a dev_WARN() function in the line of dev_printk(), this patch introduces a dev_WARN() function, that takes a struct device and then a printk format/args set of arguments. Unlike dev_printk(), the effect is that of WARN() in that a full warning message (including filename/line, module list, versions and a backtrace) is printed in addition to the device name and the arguments. Signed-off-by: Arjan van de Ven Signed-off-by: Greg Kroah-Hartman --- include/linux/device.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index fb034461b395..ec90e79f6a00 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -570,6 +570,14 @@ extern const char *dev_driver_string(const struct device *dev); ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; }) #endif +/* + * dev_WARN() acts like dev_printk(), but with the key difference + * of using a WARN/WARN_ON to get the message out, including the + * file/line information and a backtrace. + */ +#define dev_WARN(dev, format, arg...) \ + WARN(1, "Device: %s\n" format, dev_driver_string(dev), ## arg); + /* Create alias, so I can be autoloaded. */ #define MODULE_ALIAS_CHARDEV(major,minor) \ MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor)) -- GitLab From 728f08934b087b96aacb00467f5551e0a5593fca Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 20 Sep 2008 19:09:00 -0700 Subject: [PATCH 5280/6244] debug: use dev_WARN() rather than WARN_ON() in device_pm_add() device_pm_add() has a WARN_ON that is showing relatively high on kerneloops.org, but unfortunately the WARN_ON is less than useful in that it doesn't print any information about what device is causing the issue. This patch fixes this by turning the WARN_ON() into the newly introduces dev_WARN() which will print information about the device in question. Signed-off-by: Arjan van de Ven Signed-off-by: Greg Kroah-Hartman --- drivers/base/power/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 273a944d4040..b0eb6afdd861 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -83,7 +83,7 @@ void device_pm_add(struct device *dev) * transition is in progress in order to avoid leaving them * unhandled down the road */ - WARN_ON(true); + dev_WARN(dev, "Parentless device registered during a PM transaction\n"); } list_add_tail(&dev->power.entry, &dpm_list); -- GitLab From 5172046d960b27f7c22bed8038d696e7004cb112 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 20 Sep 2008 19:09:37 -0700 Subject: [PATCH 5281/6244] usb: turn dev_warn+WARN_ON combos into dev_WARN dev_WARN is both compacter and gives better debug information than just a WARN_ON, since people and tools will copy the device information message together with the WARN_ON in bug reports. Signed-off-by: Arjan van de Ven Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/uhci-q.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index db645936eedd..1f0c2cf26e5d 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -123,14 +123,10 @@ static struct uhci_td *uhci_alloc_td(struct uhci_hcd *uhci) static void uhci_free_td(struct uhci_hcd *uhci, struct uhci_td *td) { - if (!list_empty(&td->list)) { - dev_warn(uhci_dev(uhci), "td %p still in list!\n", td); - WARN_ON(1); - } - if (!list_empty(&td->fl_list)) { - dev_warn(uhci_dev(uhci), "td %p still in fl_list!\n", td); - WARN_ON(1); - } + if (!list_empty(&td->list)) + dev_WARN(uhci_dev(uhci), "td %p still in list!\n", td); + if (!list_empty(&td->fl_list)) + dev_WARN(uhci_dev(uhci), "td %p still in fl_list!\n", td); dma_pool_free(uhci->td_pool, td, td->dma_handle); } @@ -295,10 +291,8 @@ static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci, static void uhci_free_qh(struct uhci_hcd *uhci, struct uhci_qh *qh) { WARN_ON(qh->state != QH_STATE_IDLE && qh->udev); - if (!list_empty(&qh->queue)) { - dev_warn(uhci_dev(uhci), "qh %p list not empty!\n", qh); - WARN_ON(1); - } + if (!list_empty(&qh->queue)) + dev_WARN(uhci_dev(uhci), "qh %p list not empty!\n", qh); list_del(&qh->node); if (qh->udev) { @@ -746,11 +740,9 @@ static void uhci_free_urb_priv(struct uhci_hcd *uhci, { struct uhci_td *td, *tmp; - if (!list_empty(&urbp->node)) { - dev_warn(uhci_dev(uhci), "urb %p still on QH's list!\n", + if (!list_empty(&urbp->node)) + dev_WARN(uhci_dev(uhci), "urb %p still on QH's list!\n", urbp->urb); - WARN_ON(1); - } list_for_each_entry_safe(td, tmp, &urbp->td_list, list) { uhci_remove_td_from_urbp(td); -- GitLab From 3ce24d8d93f8f9617841d0c8416174da7ee1b042 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Tue, 23 Sep 2008 22:01:27 +0200 Subject: [PATCH 5282/6244] Driver core: make bus_find_device_by_name() more robust Use sysfs_streq() in bus_find_device_by_name() so trailing newlines are ignored (E.G. in bind/unbind). Signed-off-by: Peter Korsgaard Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index ef522ae55480..39b9b58c6974 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -333,9 +333,7 @@ static int match_name(struct device *dev, void *data) { const char *name = data; - if (strcmp(name, dev->bus_id) == 0) - return 1; - return 0; + return sysfs_streq(name, dev->bus_id); } /** -- GitLab From 8a89efd18aa15bb832778baa4e6eee3857ecada4 Mon Sep 17 00:00:00 2001 From: Drew Moseley Date: Sun, 28 Sep 2008 01:31:35 +0200 Subject: [PATCH 5283/6244] PNP: create device attributes via default device attributes This creates the attributes before the uevent is sent. Signed-off-by: Drew Moseley Acked-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/pnp/base.h | 2 +- drivers/pnp/core.c | 10 +--------- drivers/pnp/driver.c | 1 + drivers/pnp/interface.c | 37 ++++++++----------------------------- 4 files changed, 11 insertions(+), 39 deletions(-) diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 9fd7bb9b7dce..3532984a9cab 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -4,6 +4,7 @@ */ extern spinlock_t pnp_lock; +extern struct device_attribute pnp_interface_attrs[]; void *pnp_alloc(long size); int pnp_register_protocol(struct pnp_protocol *protocol); @@ -16,7 +17,6 @@ struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid); int pnp_add_device(struct pnp_dev *dev); struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id); -int pnp_interface_attach_device(struct pnp_dev *dev); int pnp_add_card(struct pnp_card *card); void pnp_remove_card(struct pnp_card *card); diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index a411582bcd72..7d65da821229 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -159,21 +159,13 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid int __pnp_add_device(struct pnp_dev *dev) { - int ret; - pnp_fixup_device(dev); dev->status = PNP_READY; spin_lock(&pnp_lock); list_add_tail(&dev->global_list, &pnp_global); list_add_tail(&dev->protocol_list, &dev->protocol->devices); spin_unlock(&pnp_lock); - - ret = device_register(&dev->dev); - if (ret) - return ret; - - pnp_interface_attach_device(dev); - return 0; + return device_register(&dev->dev); } /* diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index d3f869ee1d92..e3f7e89c4dfb 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -206,6 +206,7 @@ struct bus_type pnp_bus_type = { .remove = pnp_device_remove, .suspend = pnp_bus_suspend, .resume = pnp_bus_resume, + .dev_attrs = pnp_interface_attrs, }; int pnp_register_driver(struct pnp_driver *drv) diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index a876ecf7028c..478a4a739c00 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -243,8 +243,6 @@ static ssize_t pnp_show_options(struct device *dmdev, return ret; } -static DEVICE_ATTR(options, S_IRUGO, pnp_show_options, NULL); - static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_attribute *attr, char *buf) @@ -420,9 +418,6 @@ done: return count; } -static DEVICE_ATTR(resources, S_IRUGO | S_IWUSR, - pnp_show_current_resources, pnp_set_current_resources); - static ssize_t pnp_show_current_ids(struct device *dmdev, struct device_attribute *attr, char *buf) { @@ -437,27 +432,11 @@ static ssize_t pnp_show_current_ids(struct device *dmdev, return (str - buf); } -static DEVICE_ATTR(id, S_IRUGO, pnp_show_current_ids, NULL); - -int pnp_interface_attach_device(struct pnp_dev *dev) -{ - int rc = device_create_file(&dev->dev, &dev_attr_options); - - if (rc) - goto err; - rc = device_create_file(&dev->dev, &dev_attr_resources); - if (rc) - goto err_opt; - rc = device_create_file(&dev->dev, &dev_attr_id); - if (rc) - goto err_res; - - return 0; - -err_res: - device_remove_file(&dev->dev, &dev_attr_resources); -err_opt: - device_remove_file(&dev->dev, &dev_attr_options); -err: - return rc; -} +struct device_attribute pnp_interface_attrs[] = { + __ATTR(resources, S_IRUGO | S_IWUSR, + pnp_show_current_resources, + pnp_set_current_resources), + __ATTR(options, S_IRUGO, pnp_show_options, NULL), + __ATTR(id, S_IRUGO, pnp_show_current_ids, NULL), + __ATTR_NULL, +}; -- GitLab From 45c076c5d71e6e644e2eae64f80922d162c900ac Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 28 Sep 2008 07:48:08 +0900 Subject: [PATCH 5284/6244] sysfs: use ilookup5() instead of ilookup5_nowait() As inode creation is protected by sysfs_mutex, ilookup5_nowait() always either fails to find at all or finds one which is fully initialized, so using ilookup5_nowait() or ilookup5() doesn't make any difference. Switch to ilookup5() as it's planned to be removed. This change also makes lookup return value handling a bit simpler. This change was suggested by Al Viro. Signed-off-by: Tejun Heo Cc: Al Viro Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/dir.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 53bc7fc31af3..c18342641cec 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -370,17 +370,17 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt, memset(acxt, 0, sizeof(*acxt)); acxt->parent_sd = parent_sd; - /* Lookup parent inode. inode initialization and I_NEW - * clearing are protected by sysfs_mutex. By grabbing it and - * looking up with _nowait variant, inode state can be - * determined reliably. + /* Lookup parent inode. inode initialization is protected by + * sysfs_mutex, so inode existence can be determined by + * looking up inode while holding sysfs_mutex. */ mutex_lock(&sysfs_mutex); - inode = ilookup5_nowait(sysfs_sb, parent_sd->s_ino, sysfs_ilookup_test, - parent_sd); + inode = ilookup5(sysfs_sb, parent_sd->s_ino, sysfs_ilookup_test, + parent_sd); + if (inode) { + WARN_ON(inode->i_state & I_NEW); - if (inode && !(inode->i_state & I_NEW)) { /* parent inode available */ acxt->parent_inode = inode; @@ -393,8 +393,7 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt, mutex_lock(&inode->i_mutex); mutex_lock(&sysfs_mutex); } - } else - iput(inode); + } } /** -- GitLab From d8bf254089a6c31d7d01a4d1d2f1861662900855 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Mon, 22 Sep 2008 14:41:40 -0700 Subject: [PATCH 5285/6244] platform: add new device registration helper Add a helper that registers simple platform_device w/o resources but with parent and device data. This is usefull to cleanup platform code from code that registers such simple devices as leds-gpio, generic-bl, etc. Signed-off-by: Dmitry Baryshkov Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- drivers/base/platform.c | 47 +++++++++++++++++++++++++++++++++ include/linux/platform_device.h | 2 ++ 2 files changed, 49 insertions(+) diff --git a/drivers/base/platform.c b/drivers/base/platform.c index e621dade7eaa..9e60f7c739c6 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -391,6 +391,53 @@ error: } EXPORT_SYMBOL_GPL(platform_device_register_simple); +/** + * platform_device_register_data + * @parent: parent device for the device we're adding + * @name: base name of the device we're adding + * @id: instance id + * @data: platform specific data for this platform device + * @size: size of platform specific data + * + * This function creates a simple platform device that requires minimal + * resource and memory management. Canned release function freeing memory + * allocated for the device allows drivers using such devices to be + * unloaded without waiting for the last reference to the device to be + * dropped. + */ +struct platform_device *platform_device_register_data( + struct device *parent, + const char *name, int id, + const void *data, size_t size) +{ + struct platform_device *pdev; + int retval; + + pdev = platform_device_alloc(name, id); + if (!pdev) { + retval = -ENOMEM; + goto error; + } + + pdev->dev.parent = parent; + + if (size) { + retval = platform_device_add_data(pdev, data, size); + if (retval) + goto error; + } + + retval = platform_device_add(pdev); + if (retval) + goto error; + + return pdev; + +error: + platform_device_put(pdev); + return ERR_PTR(retval); +} + static int platform_drv_probe(struct device *_dev) { struct platform_driver *drv = to_platform_driver(_dev->driver); diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 95ac21ab3a09..4b8cc6a32479 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -37,6 +37,8 @@ extern int platform_add_devices(struct platform_device **, int); extern struct platform_device *platform_device_register_simple(const char *, int id, struct resource *, unsigned int); +extern struct platform_device *platform_device_register_data(struct device *, + const char *, int, const void *, size_t); extern struct platform_device *platform_device_alloc(const char *name, int id); extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num); -- GitLab From 8c0e3998f5b71e68fe6b6e489a92e052715e563c Mon Sep 17 00:00:00 2001 From: Trent Piepho Date: Thu, 25 Sep 2008 16:45:13 -0700 Subject: [PATCH 5286/6244] sysfs: Make dir and name args to sysfs_notify() const Because they can be, and because code like this produces a warning if they're not: struct device_attribute dev_attr; sysfs_notify(&kobj, NULL, dev_attr.attr.name); Signed-off-by: Trent Piepho CC: Neil Brown Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/file.c | 2 +- include/linux/sysfs.h | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index d0d79e6b6d11..1f4a3f877262 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -469,7 +469,7 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd) } EXPORT_SYMBOL_GPL(sysfs_notify_dirent); -void sysfs_notify(struct kobject *k, char *dir, char *attr) +void sysfs_notify(struct kobject *k, const char *dir, const char *attr) { struct sysfs_dirent *sd = k->sd; diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index d8e0230f1e68..b330e289d71f 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -119,7 +119,7 @@ int sysfs_add_file_to_group(struct kobject *kobj, void sysfs_remove_file_from_group(struct kobject *kobj, const struct attribute *attr, const char *group); -void sysfs_notify(struct kobject *kobj, char *dir, char *attr); +void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr); void sysfs_notify_dirent(struct sysfs_dirent *sd); struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd, const unsigned char *name); @@ -229,7 +229,8 @@ static inline void sysfs_remove_file_from_group(struct kobject *kobj, { } -static inline void sysfs_notify(struct kobject *kobj, char *dir, char *attr) +static inline void sysfs_notify(struct kobject *kobj, const char *dir, + const char *attr) { } static inline void sysfs_notify_dirent(struct sysfs_dirent *sd) -- GitLab From 030c1d2bfcc2187650fb975456ca0b61a5bb77f4 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 8 May 2008 14:41:00 -0700 Subject: [PATCH 5287/6244] kobject: Fix kobject_rename and !CONFIG_SYSFS When looking at kobject_rename I found two bugs with that exist when sysfs support is disabled in the kernel. kobject_rename does not change the name on the kobject when sysfs support is not compiled in. kobject_rename without locking attempts to check the validity of a rename operation, which the kobject layer simply does not have the infrastructure to do. This patch documents the previously unstated requirement of kobject_rename that is the responsibility of the caller to provide mutual exclusion and to be certain that the new_name for the kobject is valid. This patch modifies sysfs_rename_dir in !CONFIG_SYSFS case to call kobject_set_name to actually change the kobject_name. This patch removes the bogus and misleading check in kobject_rename that attempts to see if a rename is valid. The check is bogus because we do not have the proper locking. The check is misleading because it looks like we can and do perform checking at the kobject level that we don't. Signed-off-by: Eric W. Biederman Signed-off-by: Greg Kroah-Hartman --- Documentation/kobject.txt | 4 ++++ drivers/base/core.c | 5 +++++ include/linux/sysfs.h | 4 +++- lib/kobject.c | 18 +++++------------- 4 files changed, 17 insertions(+), 14 deletions(-) diff --git a/Documentation/kobject.txt b/Documentation/kobject.txt index 51a8021ee532..f5d2aad65a67 100644 --- a/Documentation/kobject.txt +++ b/Documentation/kobject.txt @@ -118,6 +118,10 @@ the name of the kobject, call kobject_rename(): int kobject_rename(struct kobject *kobj, const char *new_name); +Note kobject_rename does perform any locking or have a solid notion of +what names are valid so the provide must provide their own sanity checking +and serialization. + There is a function called kobject_set_name() but that is legacy cruft and is being removed. If your code needs to call this function, it is incorrect and needs to be fixed. diff --git a/drivers/base/core.c b/drivers/base/core.c index 9649d1c422a4..8c2cc2648f5a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1327,6 +1327,11 @@ EXPORT_SYMBOL_GPL(device_destroy); * device_rename - renames a device * @dev: the pointer to the struct device to be renamed * @new_name: the new name of the device + * + * It is the responsibility of the caller to provide mutual + * exclusion between two different calls of device_rename + * on the same device to ensure that new_name is valid and + * won't conflict with other devices. */ int device_rename(struct device *dev, char *new_name) { diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index b330e289d71f..39924a962207 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -20,6 +20,8 @@ struct kobject; struct module; +extern int kobject_set_name(struct kobject *kobj, const char *name, ...) + __attribute__((format(printf, 2, 3))); /* FIXME * The *owner field is no longer used, but leave around * until the tree gets cleaned up fully. @@ -147,7 +149,7 @@ static inline void sysfs_remove_dir(struct kobject *kobj) static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name) { - return 0; + return kobject_set_name(kobj, "%s", new_name); } static inline int sysfs_move_dir(struct kobject *kobj, diff --git a/lib/kobject.c b/lib/kobject.c index fbf0ae282376..ae6bb900bfb6 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -387,6 +387,11 @@ EXPORT_SYMBOL_GPL(kobject_init_and_add); * kobject_rename - change the name of an object * @kobj: object in question. * @new_name: object's new name + * + * It is the responsibility of the caller to provide mutual + * exclusion between two different calls of kobject_rename + * on the same kobject and to ensure that new_name is valid and + * won't conflict with other kobjects. */ int kobject_rename(struct kobject *kobj, const char *new_name) { @@ -401,19 +406,6 @@ int kobject_rename(struct kobject *kobj, const char *new_name) if (!kobj->parent) return -EINVAL; - /* see if this name is already in use */ - if (kobj->kset) { - struct kobject *temp_kobj; - temp_kobj = kset_find_obj(kobj->kset, new_name); - if (temp_kobj) { - printk(KERN_WARNING "kobject '%s' cannot be renamed " - "to '%s' as '%s' is already in existence.\n", - kobject_name(kobj), new_name, new_name); - kobject_put(temp_kobj); - return -EINVAL; - } - } - devpath = kobject_get_path(kobj, GFP_KERNEL); if (!devpath) { error = -ENOMEM; -- GitLab From 0b4a4fea253e1296222603ccc55430ed7cd9413a Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 3 Jul 2008 18:05:28 -0700 Subject: [PATCH 5288/6244] kobject: Cleanup kobject_rename and !CONFIG_SYSFS It finally dawned on me what the clean fix to sysfs_rename_dir calling kobject_set_name is. Move the work into kobject_rename where it belongs. The callers serialize us anyway so this is safe. Signed-off-by: Eric W. Biederman Acked-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/dir.c | 6 +----- include/linux/sysfs.h | 4 +--- lib/kobject.c | 17 +++++++++++++++-- 3 files changed, 17 insertions(+), 10 deletions(-) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index c18342641cec..3a05a596e3b4 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -829,16 +829,12 @@ int sysfs_rename_dir(struct kobject * kobj, const char *new_name) if (!new_dentry) goto out_unlock; - /* rename kobject and sysfs_dirent */ + /* rename sysfs_dirent */ error = -ENOMEM; new_name = dup_name = kstrdup(new_name, GFP_KERNEL); if (!new_name) goto out_unlock; - error = kobject_set_name(kobj, "%s", new_name); - if (error) - goto out_unlock; - dup_name = sd->s_name; sd->s_name = new_name; diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 39924a962207..b330e289d71f 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -20,8 +20,6 @@ struct kobject; struct module; -extern int kobject_set_name(struct kobject *kobj, const char *name, ...) - __attribute__((format(printf, 2, 3))); /* FIXME * The *owner field is no longer used, but leave around * until the tree gets cleaned up fully. @@ -149,7 +147,7 @@ static inline void sysfs_remove_dir(struct kobject *kobj) static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name) { - return kobject_set_name(kobj, "%s", new_name); + return 0; } static inline int sysfs_move_dir(struct kobject *kobj, diff --git a/lib/kobject.c b/lib/kobject.c index ae6bb900bfb6..0487d1f64806 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -397,6 +397,7 @@ int kobject_rename(struct kobject *kobj, const char *new_name) { int error = 0; const char *devpath = NULL; + const char *dup_name = NULL, *name; char *devpath_string = NULL; char *envp[2]; @@ -420,15 +421,27 @@ int kobject_rename(struct kobject *kobj, const char *new_name) envp[0] = devpath_string; envp[1] = NULL; + name = dup_name = kstrdup(new_name, GFP_KERNEL); + if (!name) { + error = -ENOMEM; + goto out; + } + error = sysfs_rename_dir(kobj, new_name); + if (error) + goto out; + + /* Install the new kobject name */ + dup_name = kobj->name; + kobj->name = name; /* This function is mostly/only used for network interface. * Some hotplug package track interfaces by their name and * therefore want to know when the name is changed by the user. */ - if (!error) - kobject_uevent_env(kobj, KOBJ_MOVE, envp); + kobject_uevent_env(kobj, KOBJ_MOVE, envp); out: + kfree(dup_name); kfree(devpath_string); kfree(devpath); kobject_put(kobj); -- GitLab From 26853ab6f9a4c482be4b638477335704724d4854 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sun, 27 Jan 2008 10:29:20 -0800 Subject: [PATCH 5289/6244] NET: convert the phy_device file to use bus_find_device_by_name The driver core now has this helper function, so might as well use it instead of forcing the phy code to roll their own version. Signed-off-by: Greg Kroah-Hartman --- drivers/net/phy/phy_device.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index f11e900b437b..e11b03b2b25a 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -309,11 +309,6 @@ void phy_disconnect(struct phy_device *phydev) } EXPORT_SYMBOL(phy_disconnect); -static int phy_compare_id(struct device *dev, void *data) -{ - return strcmp((char *)data, dev->bus_id) ? 0 : 1; -} - /** * phy_attach - attach a network device to a particular PHY device * @dev: network device to attach @@ -337,8 +332,7 @@ struct phy_device *phy_attach(struct net_device *dev, /* Search the list of PHY devices on the mdio bus for the * PHY with the requested name */ - d = bus_find_device(bus, NULL, (void *)bus_id, phy_compare_id); - + d = bus_find_device_by_name(bus, NULL, bus_id); if (d) { phydev = to_phy_device(d); } else { -- GitLab From 99178b036c97293a65004ff5ec5cff9f833aaecd Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 26 Aug 2008 11:00:57 -0500 Subject: [PATCH 5290/6244] Driver core: add bus_sort_breadthfirst() function The PCI core wants to reorder the devices in the bus list. So move this functionality out of the pci core and into the driver core so that anyone else can also do this if needed. This also lets us change how struct device is attached to drivers in the future without messing with the PCI core. Acked-by: Jesse Barnes Signed-off-by: Greg Kroah-Hartman --- drivers/base/bus.c | 50 ++++++++++++++++++++++++++++++++++++++++++ drivers/pci/probe.c | 50 +++++------------------------------------- include/linux/device.h | 3 +++ 3 files changed, 58 insertions(+), 45 deletions(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 39b9b58c6974..5aee1c0169ea 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -980,6 +980,56 @@ struct klist *bus_get_device_klist(struct bus_type *bus) } EXPORT_SYMBOL_GPL(bus_get_device_klist); +/* + * Yes, this forcably breaks the klist abstraction temporarily. It + * just wants to sort the klist, not change reference counts and + * take/drop locks rapidly in the process. It does all this while + * holding the lock for the list, so objects can't otherwise be + * added/removed while we're swizzling. + */ +static void device_insertion_sort_klist(struct device *a, struct list_head *list, + int (*compare)(const struct device *a, + const struct device *b)) +{ + struct list_head *pos; + struct klist_node *n; + struct device *b; + + list_for_each(pos, list) { + n = container_of(pos, struct klist_node, n_node); + b = container_of(n, struct device, knode_bus); + if (compare(a, b) <= 0) { + list_move_tail(&a->knode_bus.n_node, + &b->knode_bus.n_node); + return; + } + } + list_move_tail(&a->knode_bus.n_node, list); +} + +void bus_sort_breadthfirst(struct bus_type *bus, + int (*compare)(const struct device *a, + const struct device *b)) +{ + LIST_HEAD(sorted_devices); + struct list_head *pos, *tmp; + struct klist_node *n; + struct device *dev; + struct klist *device_klist; + + device_klist = bus_get_device_klist(bus); + + spin_lock(&device_klist->k_lock); + list_for_each_safe(pos, tmp, &device_klist->k_list) { + n = container_of(pos, struct klist_node, n_node); + dev = container_of(n, struct device, knode_bus); + device_insertion_sort_klist(dev, &sorted_devices, compare); + } + list_splice(&sorted_devices, &device_klist->k_list); + spin_unlock(&device_klist->k_lock); +} +EXPORT_SYMBOL_GPL(bus_sort_breadthfirst); + int __init buses_init(void) { bus_kset = kset_create_and_add("bus", &bus_uevent_ops, NULL); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 36698e57b97f..dd9161a054e1 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1237,8 +1237,11 @@ EXPORT_SYMBOL(pci_scan_bridge); EXPORT_SYMBOL_GPL(pci_scan_child_bus); #endif -static int __init pci_sort_bf_cmp(const struct pci_dev *a, const struct pci_dev *b) +static int __init pci_sort_bf_cmp(const struct device *d_a, const struct device *d_b) { + const struct pci_dev *a = to_pci_dev(d_a); + const struct pci_dev *b = to_pci_dev(d_b); + if (pci_domain_nr(a->bus) < pci_domain_nr(b->bus)) return -1; else if (pci_domain_nr(a->bus) > pci_domain_nr(b->bus)) return 1; @@ -1251,50 +1254,7 @@ static int __init pci_sort_bf_cmp(const struct pci_dev *a, const struct pci_dev return 0; } -/* - * Yes, this forcably breaks the klist abstraction temporarily. It - * just wants to sort the klist, not change reference counts and - * take/drop locks rapidly in the process. It does all this while - * holding the lock for the list, so objects can't otherwise be - * added/removed while we're swizzling. - */ -static void __init pci_insertion_sort_klist(struct pci_dev *a, struct list_head *list) -{ - struct list_head *pos; - struct klist_node *n; - struct device *dev; - struct pci_dev *b; - - list_for_each(pos, list) { - n = container_of(pos, struct klist_node, n_node); - dev = container_of(n, struct device, knode_bus); - b = to_pci_dev(dev); - if (pci_sort_bf_cmp(a, b) <= 0) { - list_move_tail(&a->dev.knode_bus.n_node, &b->dev.knode_bus.n_node); - return; - } - } - list_move_tail(&a->dev.knode_bus.n_node, list); -} - void __init pci_sort_breadthfirst(void) { - LIST_HEAD(sorted_devices); - struct list_head *pos, *tmp; - struct klist_node *n; - struct device *dev; - struct pci_dev *pdev; - struct klist *device_klist; - - device_klist = bus_get_device_klist(&pci_bus_type); - - spin_lock(&device_klist->k_lock); - list_for_each_safe(pos, tmp, &device_klist->k_list) { - n = container_of(pos, struct klist_node, n_node); - dev = container_of(n, struct device, knode_bus); - pdev = to_pci_dev(dev); - pci_insertion_sort_klist(pdev, &sorted_devices); - } - list_splice(&sorted_devices, &device_klist->k_list); - spin_unlock(&device_klist->k_lock); + bus_sort_breadthfirst(&pci_bus_type, &pci_sort_bf_cmp); } diff --git a/include/linux/device.h b/include/linux/device.h index ec90e79f6a00..987f5912720a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -90,6 +90,9 @@ int __must_check bus_for_each_drv(struct bus_type *bus, struct device_driver *start, void *data, int (*fn)(struct device_driver *, void *)); +void bus_sort_breadthfirst(struct bus_type *bus, + int (*compare)(const struct device *a, + const struct device *b)); /* * Bus notifiers: Get notified of addition/removal of devices * and binding/unbinding of drivers to devices. -- GitLab From e2b39df119712ea5184562a6a14696a5cea8ef18 Mon Sep 17 00:00:00 2001 From: "Hans J. Koch" Date: Thu, 18 Sep 2008 23:53:18 +0200 Subject: [PATCH 5291/6244] UIO: Add alignment warnings for uio-mem This patch adds an "offset" attribute for UIO mappings. It shows the difference between the actual start address of the memory and the start address of the page. Signed-off-by: Hans J. Koch Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 9ac22c7c3854..557e73ef5884 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -67,6 +67,11 @@ static ssize_t map_size_show(struct uio_mem *mem, char *buf) return sprintf(buf, "0x%lx\n", mem->size); } +static ssize_t map_offset_show(struct uio_mem *mem, char *buf) +{ + return sprintf(buf, "0x%lx\n", mem->addr & ~PAGE_MASK); +} + struct uio_sysfs_entry { struct attribute attr; ssize_t (*show)(struct uio_mem *, char *); @@ -77,10 +82,13 @@ static struct uio_sysfs_entry addr_attribute = __ATTR(addr, S_IRUGO, map_addr_show, NULL); static struct uio_sysfs_entry size_attribute = __ATTR(size, S_IRUGO, map_size_show, NULL); +static struct uio_sysfs_entry offset_attribute = + __ATTR(offset, S_IRUGO, map_offset_show, NULL); static struct attribute *attrs[] = { &addr_attribute.attr, &size_attribute.attr, + &offset_attribute.attr, NULL, /* need to NULL terminate the list of attributes */ }; -- GitLab From a6fcc3a196d34f6619173ff83c33f8a42074bb76 Mon Sep 17 00:00:00 2001 From: "Hans J. Koch" Date: Thu, 18 Sep 2008 23:03:07 +0200 Subject: [PATCH 5292/6244] UIO: Change driver name of uio_pdrv The generic UIO platform device driver should be given a unique driver ID and not just "uio". This is especially important since we now have a similar driver named uio_pdrv_genirq. Currently, there's no user of this driver in the mainline kernel. Signed-off-by: Hans J. Koch Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio_pdrv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c index 0b4ef39cd85d..d494ce9288c3 100644 --- a/drivers/uio/uio_pdrv.c +++ b/drivers/uio/uio_pdrv.c @@ -12,7 +12,7 @@ #include #include -#define DRIVER_NAME "uio" +#define DRIVER_NAME "uio_pdrv" struct uio_platdata { struct uio_info *uioinfo; -- GitLab From a6030fcc608bd333c80eab3bfc72f63906476c61 Mon Sep 17 00:00:00 2001 From: John Ogness Date: Thu, 18 Sep 2008 11:57:15 +0200 Subject: [PATCH 5293/6244] UIO: add automata sercos3 pci card support Here is a new version of the patch to support the Automata Sercos III PCI card driver. I now check that the IRQ is enabled before accepting the interrupt. I still use a logical OR to store the enabled interrupts and I've added a second use of a logical OR when restoring the enabled interrupts. I added an explanation of why I do this in comments at the top of the source file. Since I use a logical OR, I also removed the extra checks if the Interrupt Enable Register and ier0_cache are 0. Signed-off-by: John Ogness Signed-off-by: Hans J. Koch Signed-off-by: Greg Kroah-Hartman --- drivers/uio/Kconfig | 13 ++ drivers/uio/Makefile | 1 + drivers/uio/uio_sercos3.c | 243 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 257 insertions(+) create mode 100644 drivers/uio/uio_sercos3.c diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index 4190be64917f..04b954cfce76 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -58,4 +58,17 @@ config UIO_SMX If you compile this as a module, it will be called uio_smx. +config UIO_SERCOS3 + tristate "Automata Sercos III PCI card driver" + default n + help + Userspace I/O interface for the Sercos III PCI card from + Automata GmbH. The userspace part of this driver will be + available for download from the Automata GmbH web site. + + Automata GmbH: http://www.automataweb.com + Sercos III interface: http://www.sercos.com + + If you compile this as a module, it will be called uio_sercos3. + endif diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile index 8667bbdef904..e69558149859 100644 --- a/drivers/uio/Makefile +++ b/drivers/uio/Makefile @@ -3,3 +3,4 @@ obj-$(CONFIG_UIO_CIF) += uio_cif.o obj-$(CONFIG_UIO_PDRV) += uio_pdrv.o obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o obj-$(CONFIG_UIO_SMX) += uio_smx.o +obj-$(CONFIG_UIO_SERCOS3) += uio_sercos3.o diff --git a/drivers/uio/uio_sercos3.c b/drivers/uio/uio_sercos3.c new file mode 100644 index 000000000000..a6d1b2bc47f3 --- /dev/null +++ b/drivers/uio/uio_sercos3.c @@ -0,0 +1,243 @@ +/* sercos3: UIO driver for the Automata Sercos III PCI card + + Copyright (C) 2008 Linutronix GmbH + Author: John Ogness + + This is a straight-forward UIO driver, where interrupts are disabled + by the interrupt handler and re-enabled via a write to the UIO device + by the userspace-part. + + The only part that may seem odd is the use of a logical OR when + storing and restoring enabled interrupts. This is done because the + userspace-part could directly modify the Interrupt Enable Register + at any time. To reduce possible conflicts, the kernel driver uses + a logical OR to make more controlled changes (rather than blindly + overwriting previous values). + + Race conditions exist if the userspace-part directly modifies the + Interrupt Enable Register while in operation. The consequences are + that certain interrupts would fail to be enabled or disabled. For + this reason, the userspace-part should only directly modify the + Interrupt Enable Register at the beginning (to get things going). + The userspace-part can safely disable interrupts at any time using + a write to the UIO device. +*/ + +#include +#include +#include +#include +#include + +/* ID's for SERCOS III PCI card (PLX 9030) */ +#define SERCOS_SUB_VENDOR_ID 0x1971 +#define SERCOS_SUB_SYSID_3530 0x3530 +#define SERCOS_SUB_SYSID_3535 0x3535 +#define SERCOS_SUB_SYSID_3780 0x3780 + +/* Interrupt Enable Register */ +#define IER0_OFFSET 0x08 + +/* Interrupt Status Register */ +#define ISR0_OFFSET 0x18 + +struct sercos3_priv { + u32 ier0_cache; + spinlock_t ier0_cache_lock; +}; + +/* this function assumes ier0_cache_lock is locked! */ +static void sercos3_disable_interrupts(struct uio_info *info, + struct sercos3_priv *priv) +{ + void __iomem *ier0 = info->mem[3].internal_addr + IER0_OFFSET; + + /* add enabled interrupts to cache */ + priv->ier0_cache |= ioread32(ier0); + + /* disable interrupts */ + iowrite32(0, ier0); +} + +/* this function assumes ier0_cache_lock is locked! */ +static void sercos3_enable_interrupts(struct uio_info *info, + struct sercos3_priv *priv) +{ + void __iomem *ier0 = info->mem[3].internal_addr + IER0_OFFSET; + + /* restore previously enabled interrupts */ + iowrite32(ioread32(ier0) | priv->ier0_cache, ier0); + priv->ier0_cache = 0; +} + +static irqreturn_t sercos3_handler(int irq, struct uio_info *info) +{ + struct sercos3_priv *priv = info->priv; + void __iomem *isr0 = info->mem[3].internal_addr + ISR0_OFFSET; + void __iomem *ier0 = info->mem[3].internal_addr + IER0_OFFSET; + + if (!(ioread32(isr0) & ioread32(ier0))) + return IRQ_NONE; + + spin_lock(&priv->ier0_cache_lock); + sercos3_disable_interrupts(info, priv); + spin_unlock(&priv->ier0_cache_lock); + + return IRQ_HANDLED; +} + +static int sercos3_irqcontrol(struct uio_info *info, s32 irq_on) +{ + struct sercos3_priv *priv = info->priv; + + spin_lock_irq(&priv->ier0_cache_lock); + if (irq_on) + sercos3_enable_interrupts(info, priv); + else + sercos3_disable_interrupts(info, priv); + spin_unlock_irq(&priv->ier0_cache_lock); + + return 0; +} + +static int sercos3_setup_iomem(struct pci_dev *dev, struct uio_info *info, + int n, int pci_bar) +{ + info->mem[n].addr = pci_resource_start(dev, pci_bar); + if (!info->mem[n].addr) + return -1; + info->mem[n].internal_addr = ioremap(pci_resource_start(dev, pci_bar), + pci_resource_len(dev, pci_bar)); + if (!info->mem[n].internal_addr) + return -1; + info->mem[n].size = pci_resource_len(dev, pci_bar); + info->mem[n].memtype = UIO_MEM_PHYS; + return 0; +} + +static int __devinit sercos3_pci_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + struct uio_info *info; + struct sercos3_priv *priv; + int i; + + info = kzalloc(sizeof(struct uio_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + priv = kzalloc(sizeof(struct sercos3_priv), GFP_KERNEL); + if (!priv) + goto out_free; + + if (pci_enable_device(dev)) + goto out_free_priv; + + if (pci_request_regions(dev, "sercos3")) + goto out_disable; + + /* we only need PCI BAR's 0, 2, 3, 4, 5 */ + if (sercos3_setup_iomem(dev, info, 0, 0)) + goto out_unmap; + if (sercos3_setup_iomem(dev, info, 1, 2)) + goto out_unmap; + if (sercos3_setup_iomem(dev, info, 2, 3)) + goto out_unmap; + if (sercos3_setup_iomem(dev, info, 3, 4)) + goto out_unmap; + if (sercos3_setup_iomem(dev, info, 4, 5)) + goto out_unmap; + + spin_lock_init(&priv->ier0_cache_lock); + info->priv = priv; + info->name = "Sercos_III_PCI"; + info->version = "0.0.1"; + info->irq = dev->irq; + info->irq_flags = IRQF_DISABLED | IRQF_SHARED; + info->handler = sercos3_handler; + info->irqcontrol = sercos3_irqcontrol; + + pci_set_drvdata(dev, info); + + if (uio_register_device(&dev->dev, info)) + goto out_unmap; + + return 0; + +out_unmap: + for (i = 0; i < 5; i++) { + if (info->mem[i].internal_addr) + iounmap(info->mem[i].internal_addr); + } + pci_release_regions(dev); +out_disable: + pci_disable_device(dev); +out_free_priv: + kfree(priv); +out_free: + kfree(info); + return -ENODEV; +} + +static void sercos3_pci_remove(struct pci_dev *dev) +{ + struct uio_info *info = pci_get_drvdata(dev); + int i; + + uio_unregister_device(info); + pci_release_regions(dev); + pci_disable_device(dev); + pci_set_drvdata(dev, NULL); + for (i = 0; i < 5; i++) { + if (info->mem[i].internal_addr) + iounmap(info->mem[i].internal_addr); + } + kfree(info->priv); + kfree(info); +} + +static struct pci_device_id sercos3_pci_ids[] __devinitdata = { + { + .vendor = PCI_VENDOR_ID_PLX, + .device = PCI_DEVICE_ID_PLX_9030, + .subvendor = SERCOS_SUB_VENDOR_ID, + .subdevice = SERCOS_SUB_SYSID_3530, + }, + { + .vendor = PCI_VENDOR_ID_PLX, + .device = PCI_DEVICE_ID_PLX_9030, + .subvendor = SERCOS_SUB_VENDOR_ID, + .subdevice = SERCOS_SUB_SYSID_3535, + }, + { + .vendor = PCI_VENDOR_ID_PLX, + .device = PCI_DEVICE_ID_PLX_9030, + .subvendor = SERCOS_SUB_VENDOR_ID, + .subdevice = SERCOS_SUB_SYSID_3780, + }, + { 0, } +}; + +static struct pci_driver sercos3_pci_driver = { + .name = "sercos3", + .id_table = sercos3_pci_ids, + .probe = sercos3_pci_probe, + .remove = sercos3_pci_remove, +}; + +static int __init sercos3_init_module(void) +{ + return pci_register_driver(&sercos3_pci_driver); +} + +static void __exit sercos3_exit_module(void) +{ + pci_unregister_driver(&sercos3_pci_driver); +} + +module_init(sercos3_init_module); +module_exit(sercos3_exit_module); + +MODULE_DESCRIPTION("UIO driver for the Automata Sercos III PCI card"); +MODULE_AUTHOR("John Ogness "); +MODULE_LICENSE("GPL v2"); -- GitLab From 02683ffdf655b4ae15245376ba6fea6d9e5829a6 Mon Sep 17 00:00:00 2001 From: "Andrew G. Harvey" Date: Wed, 24 Sep 2008 01:10:02 +0200 Subject: [PATCH 5294/6244] UIO: Fix mapping of logical and virtual memory mmap() doesn't work as expected for UIO_MEM_LOGICAL or UIO_MEM_VIRTUAL mappings. The offset into the memory needs to be added, otherwise uio_vma_fault always returns the first page only. Note that for UIO userspace calls mmap() with offset = N * getpagesize() to access mapping N. This must be compensated when calculating the offset. A comment was added to explain this since it is not obvious. Signed-off-by: Andrew G. Harvey Signed-off-by: Hans J. Koch Signed-off-by: Greg Kroah-Hartman --- drivers/uio/uio.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 557e73ef5884..5dccf057a7dd 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -490,15 +490,23 @@ static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct uio_device *idev = vma->vm_private_data; struct page *page; + unsigned long offset; int mi = uio_find_mem_index(vma); if (mi < 0) return VM_FAULT_SIGBUS; + /* + * We need to subtract mi because userspace uses offset = N*PAGE_SIZE + * to use mem[N]. + */ + offset = (vmf->pgoff - mi) << PAGE_SHIFT; + if (idev->info->mem[mi].memtype == UIO_MEM_LOGICAL) - page = virt_to_page(idev->info->mem[mi].addr); + page = virt_to_page(idev->info->mem[mi].addr + offset); else - page = vmalloc_to_page((void*)idev->info->mem[mi].addr); + page = vmalloc_to_page((void *)idev->info->mem[mi].addr + + offset); get_page(page); vmf->page = page; return 0; -- GitLab From 3baf63a507094992a5bf238ba3bcea71f458b1e8 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 16 Oct 2008 19:00:57 +0200 Subject: [PATCH 5295/6244] m32r: fix build due to notify_cpu_starting() change fix: arch/m32r/kernel/smpboot.c:501: err or: implicit declaration of function 'notify_cpu_starting' make[2]: *** [arch/m32r/kernel/smpboot.o] Error 1 make[2]: *** Waiting for unfinished jobs.... Signed-off-by: Ingo Molnar --- arch/m32r/kernel/smpboot.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index fc2994811f15..39cb6da72dcb 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -40,6 +40,7 @@ */ #include +#include #include #include #include -- GitLab From d86f4bc4bc34c63c90e5fd46a60c506b234f5708 Mon Sep 17 00:00:00 2001 From: Alberto Bertogli Date: Fri, 26 Sep 2008 23:10:31 -0300 Subject: [PATCH 5296/6244] Documentation/block/data-integrity.txt: Fix section numbers Signed-off-by: Alberto Bertogli Signed-off-by: Jonathan Corbet --- Documentation/block/data-integrity.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/block/data-integrity.txt b/Documentation/block/data-integrity.txt index e9dc8d86adc7..e8ca040ba2cf 100644 --- a/Documentation/block/data-integrity.txt +++ b/Documentation/block/data-integrity.txt @@ -246,7 +246,7 @@ will require extra work due to the application tag. retrieve the tag buffer using bio_integrity_get_tag(). -6.3 PASSING EXISTING INTEGRITY METADATA +5.3 PASSING EXISTING INTEGRITY METADATA Filesystems that either generate their own integrity metadata or are capable of transferring IMD from user space can use the @@ -283,7 +283,7 @@ will require extra work due to the application tag. integrity upon completion. -6.4 REGISTERING A BLOCK DEVICE AS CAPABLE OF EXCHANGING INTEGRITY +5.4 REGISTERING A BLOCK DEVICE AS CAPABLE OF EXCHANGING INTEGRITY METADATA To enable integrity exchange on a block device the gendisk must be -- GitLab From 75b021468368288ac8fec1a86a13f5cf2229139e Mon Sep 17 00:00:00 2001 From: Jonathan Corbet Date: Tue, 30 Sep 2008 15:15:56 -0600 Subject: [PATCH 5297/6244] Add the development process document This is an extended document intended to help interested developers, their managers, and their employers work with the kernel development process. This work was supported by the Linux Foundation. Signed-off-by: Jonathan Corbet --- Documentation/00-INDEX | 3 + Documentation/development-process/1.Intro | 274 +++++++++++ Documentation/development-process/2.Process | 459 ++++++++++++++++++ .../development-process/3.Early-stage | 195 ++++++++ Documentation/development-process/4.Coding | 384 +++++++++++++++ Documentation/development-process/5.Posting | 278 +++++++++++ .../development-process/6.Followthrough | 202 ++++++++ .../development-process/7.AdvancedTopics | 173 +++++++ .../development-process/8.Conclusion | 74 +++ 9 files changed, 2042 insertions(+) create mode 100644 Documentation/development-process/1.Intro create mode 100644 Documentation/development-process/2.Process create mode 100644 Documentation/development-process/3.Early-stage create mode 100644 Documentation/development-process/4.Coding create mode 100644 Documentation/development-process/5.Posting create mode 100644 Documentation/development-process/6.Followthrough create mode 100644 Documentation/development-process/7.AdvancedTopics create mode 100644 Documentation/development-process/8.Conclusion diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index 5b5aba404aac..1f3dbdfc9ae3 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -21,6 +21,9 @@ Changes - list of changes that break older software packages. CodingStyle - how the boss likes the C code in the kernel to look. +development-process/ + - An extended tutorial on how to work with the kernel development + process. DMA-API.txt - DMA API, pci_ API & extensions for non-consistent memory machines. DMA-ISA-LPC.txt diff --git a/Documentation/development-process/1.Intro b/Documentation/development-process/1.Intro new file mode 100644 index 000000000000..8cc2cba2b10d --- /dev/null +++ b/Documentation/development-process/1.Intro @@ -0,0 +1,274 @@ +1: A GUIDE TO THE KERNEL DEVELOPMENT PROCESS + +The purpose of this document is to help developers (and their managers) +work with the development community with a minimum of frustration. It is +an attempt to document how this community works in a way which is +accessible to those who are not intimately familiar with Linux kernel +development (or, indeed, free software development in general). While +there is some technical material here, this is very much a process-oriented +discussion which does not require a deep knowledge of kernel programming to +understand. + + +1.1: EXECUTIVE SUMMARY + +The rest of this section covers the scope of the kernel development process +and the kinds of frustrations that developers and their employers can +encounter there. There are a great many reasons why kernel code should be +merged into the official ("mainline") kernel, including automatic +availability to users, community support in many forms, and the ability to +influence the direction of kernel development. Code contributed to the +Linux kernel must be made available under a GPL-compatible license. + +Section 2 introduces the development process, the kernel release cycle, and +the mechanics of the merge window. The various phases in the patch +development, review, and merging cycle are covered. There is some +discussion of tools and mailing lists. Developers wanting to get started +with kernel development are encouraged to track down and fix bugs as an +initial exercise. + +Section 3 covers early-stage project planning, with an emphasis on +involving the development community as soon as possible. + +Section 4 is about the coding process; several pitfalls which have been +encountered by other developers are discussed. Some requirements for +patches are covered, and there is an introduction to some of the tools +which can help to ensure that kernel patches are correct. + +Section 5 talks about the process of posting patches for review. To be +taken seriously by the development community, patches must be properly +formatted and described, and they must be sent to the right place. +Following the advice in this section should help to ensure the best +possible reception for your work. + +Section 6 covers what happens after posting patches; the job is far from +done at that point. Working with reviewers is a crucial part of the +development process; this section offers a number of tips on how to avoid +problems at this important stage. Developers are cautioned against +assuming that the job is done when a patch is merged into the mainline. + +Section 7 introduces a couple of "advanced" topics: managing patches with +git and reviewing patches posted by others. + +Section 8 concludes the document with pointers to sources for more +information on kernel development. + + +1.2: WHAT THIS DOCUMENT IS ABOUT + +The Linux kernel, at over 6 million lines of code and well over 1000 active +contributors, is one of the largest and most active free software projects +in existence. Since its humble beginning in 1991, this kernel has evolved +into a best-of-breed operating system component which runs on pocket-sized +digital music players, desktop PCs, the largest supercomputers in +existence, and all types of systems in between. It is a robust, efficient, +and scalable solution for almost any situation. + +With the growth of Linux has come an increase in the number of developers +(and companies) wishing to participate in its development. Hardware +vendors want to ensure that Linux supports their products well, making +those products attractive to Linux users. Embedded systems vendors, who +use Linux as a component in an integrated product, want Linux to be as +capable and well-suited to the task at hand as possible. Distributors and +other software vendors who base their products on Linux have a clear +interest in the capabilities, performance, and reliability of the Linux +kernel. And end users, too, will often wish to change Linux to make it +better suit their needs. + +One of the most compelling features of Linux is that it is accessible to +these developers; anybody with the requisite skills can improve Linux and +influence the direction of its development. Proprietary products cannot +offer this kind of openness, which is a characteristic of the free software +process. But, if anything, the kernel is even more open than most other +free software projects. A typical three-month kernel development cycle can +involve over 1000 developers working for more than 100 different companies +(or for no company at all). + +Working with the kernel development community is not especially hard. But, +that notwithstanding, many potential contributors have experienced +difficulties when trying to do kernel work. The kernel community has +evolved its own distinct ways of operating which allow it to function +smoothly (and produce a high-quality product) in an environment where +thousands of lines of code are being changed every day. So it is not +surprising that Linux kernel development process differs greatly from +proprietary development methods. + +The kernel's development process may come across as strange and +intimidating to new developers, but there are good reasons and solid +experience behind it. A developer who does not understand the kernel +community's ways (or, worse, who tries to flout or circumvent them) will +have a frustrating experience in store. The development community, while +being helpful to those who are trying to learn, has little time for those +who will not listen or who do not care about the development process. + +It is hoped that those who read this document will be able to avoid that +frustrating experience. There is a lot of material here, but the effort +involved in reading it will be repaid in short order. The development +community is always in need of developers who will help to make the kernel +better; the following text should help you - or those who work for you - +join our community. + + +1.3: CREDITS + +This document was written by Jonathan Corbet, corbet@lwn.net. It has been +improved by comments from Johannes Berg, James Berry, Alex Chiang, Roland +Dreier, Randy Dunlap, Jake Edge, Jiri Kosina, Matt Mackall, Arthur Marsh, +Amanda McPherson, Andrew Morton, Andrew Price, Tsugikazu Shibata, and +Jochen Voß. + +This work was supported by the Linux Foundation; thanks especially to +Amanda McPherson, who saw the value of this effort and made it all happen. + + +1.4: THE IMPORTANCE OF GETTING CODE INTO THE MAINLINE + +Some companies and developers occasionally wonder why they should bother +learning how to work with the kernel community and get their code into the +mainline kernel (the "mainline" being the kernel maintained by Linus +Torvalds and used as a base by Linux distributors). In the short term, +contributing code can look like an avoidable expense; it seems easier to +just keep the code separate and support users directly. The truth of the +matter is that keeping code separate ("out of tree") is a false economy. + +As a way of illustrating the costs of out-of-tree code, here are a few +relevant aspects of the kernel development process; most of these will be +discussed in greater detail later in this document. Consider: + +- Code which has been merged into the mainline kernel is available to all + Linux users. It will automatically be present on all distributions which + enable it. There is no need for driver disks, downloads, or the hassles + of supporting multiple versions of multiple distributions; it all just + works, for the developer and for the user. Incorporation into the + mainline solves a large number of distribution and support problems. + +- While kernel developers strive to maintain a stable interface to user + space, the internal kernel API is in constant flux. The lack of a stable + internal interface is a deliberate design decision; it allows fundamental + improvements to be made at any time and results in higher-quality code. + But one result of that policy is that any out-of-tree code requires + constant upkeep if it is to work with new kernels. Maintaining + out-of-tree code requires significant amounts of work just to keep that + code working. + + Code which is in the mainline, instead, does not require this work as the + result of a simple rule requiring any developer who makes an API change + to also fix any code that breaks as the result of that change. So code + which has been merged into the mainline has significantly lower + maintenance costs. + +- Beyond that, code which is in the kernel will often be improved by other + developers. Surprising results can come from empowering your user + community and customers to improve your product. + +- Kernel code is subjected to review, both before and after merging into + the mainline. No matter how strong the original developer's skills are, + this review process invariably finds ways in which the code can be + improved. Often review finds severe bugs and security problems. This is + especially true for code which has been developed in a closed + environment; such code benefits strongly from review by outside + developers. Out-of-tree code is lower-quality code. + +- Participation in the development process is your way to influence the + direction of kernel development. Users who complain from the sidelines + are heard, but active developers have a stronger voice - and the ability + to implement changes which make the kernel work better for their needs. + +- When code is maintained separately, the possibility that a third party + will contribute a different implementation of a similar feature always + exists. Should that happen, getting your code merged will become much + harder - to the point of impossibility. Then you will be faced with the + unpleasant alternatives of either (1) maintaining a nonstandard feature + out of tree indefinitely, or (2) abandoning your code and migrating your + users over to the in-tree version. + +- Contribution of code is the fundamental action which makes the whole + process work. By contributing your code you can add new functionality to + the kernel and provide capabilities and examples which are of use to + other kernel developers. If you have developed code for Linux (or are + thinking about doing so), you clearly have an interest in the continued + success of this platform; contributing code is one of the best ways to + help ensure that success. + +All of the reasoning above applies to any out-of-tree kernel code, +including code which is distributed in proprietary, binary-only form. +There are, however, additional factors which should be taken into account +before considering any sort of binary-only kernel code distribution. These +include: + +- The legal issues around the distribution of proprietary kernel modules + are cloudy at best; quite a few kernel copyright holders believe that + most binary-only modules are derived products of the kernel and that, as + a result, their distribution is a violation of the GNU General Public + license (about which more will be said below). Your author is not a + lawyer, and nothing in this document can possibly be considered to be + legal advice. The true legal status of closed-source modules can only be + determined by the courts. But the uncertainty which haunts those modules + is there regardless. + +- Binary modules greatly increase the difficulty of debugging kernel + problems, to the point that most kernel developers will not even try. So + the distribution of binary-only modules will make it harder for your + users to get support from the community. + +- Support is also harder for distributors of binary-only modules, who must + provide a version of the module for every distribution and every kernel + version they wish to support. Dozens of builds of a single module can + be required to provide reasonably comprehensive coverage, and your users + will have to upgrade your module separately every time they upgrade their + kernel. + +- Everything that was said above about code review applies doubly to + closed-source code. Since this code is not available at all, it cannot + have been reviewed by the community and will, beyond doubt, have serious + problems. + +Makers of embedded systems, in particular, may be tempted to disregard much +of what has been said in this section in the belief that they are shipping +a self-contained product which uses a frozen kernel version and requires no +more development after its release. This argument misses the value of +widespread code review and the value of allowing your users to add +capabilities to your product. But these products, too, have a limited +commercial life, after which a new version must be released. At that +point, vendors whose code is in the mainline and well maintained will be +much better positioned to get the new product ready for market quickly. + + +1.5: LICENSING + +Code is contributed to the Linux kernel under a number of licenses, but all +code must be compatible with version 2 of the GNU General Public License +(GPLv2), which is the license covering the kernel distribution as a whole. +In practice, that means that all code contributions are covered either by +GPLv2 (with, optionally, language allowing distribution under later +versions of the GPL) or the three-clause BSD license. Any contributions +which are not covered by a compatible license will not be accepted into the +kernel. + +Copyright assignments are not required (or requested) for code contributed +to the kernel. All code merged into the mainline kernel retains its +original ownership; as a result, the kernel now has thousands of owners. + +One implication of this ownership structure is that any attempt to change +the licensing of the kernel is doomed to almost certain failure. There are +few practical scenarios where the agreement of all copyright holders could +be obtained (or their code removed from the kernel). So, in particular, +there is no prospect of a migration to version 3 of the GPL in the +foreseeable future. + +It is imperative that all code contributed to the kernel be legitimately +free software. For that reason, code from anonymous (or pseudonymous) +contributors will not be accepted. All contributors are required to "sign +off" on their code, stating that the code can be distributed with the +kernel under the GPL. Code which has not been licensed as free software by +its owner, or which risks creating copyright-related problems for the +kernel (such as code which derives from reverse-engineering efforts lacking +proper safeguards) cannot be contributed. + +Questions about copyright-related issues are common on Linux development +mailing lists. Such questions will normally receive no shortage of +answers, but one should bear in mind that the people answering those +questions are not lawyers and cannot provide legal advice. If you have +legal questions relating to Linux source code, there is no substitute for +talking with a lawyer who understands this field. Relying on answers +obtained on technical mailing lists is a risky affair. diff --git a/Documentation/development-process/2.Process b/Documentation/development-process/2.Process new file mode 100644 index 000000000000..d750321acd5a --- /dev/null +++ b/Documentation/development-process/2.Process @@ -0,0 +1,459 @@ +2: HOW THE DEVELOPMENT PROCESS WORKS + +Linux kernel development in the early 1990's was a pretty loose affair, +with relatively small numbers of users and developers involved. With a +user base in the millions and with some 2,000 developers involved over the +course of one year, the kernel has since had to evolve a number of +processes to keep development happening smoothly. A solid understanding of +how the process works is required in order to be an effective part of it. + + +2.1: THE BIG PICTURE + +The kernel developers use a loosely time-based release process, with a new +major kernel release happening every two or three months. The recent +release history looks like this: + + 2.6.26 July 13, 2008 + 2.6.25 April 16, 2008 + 2.6.24 January 24, 2008 + 2.6.23 October 9, 2007 + 2.6.22 July 8, 2007 + 2.6.21 April 25, 2007 + 2.6.20 February 4, 2007 + +Every 2.6.x release is a major kernel release with new features, internal +API changes, and more. A typical 2.6 release can contain over 10,000 +changesets with changes to several hundred thousand lines of code. 2.6 is +thus the leading edge of Linux kernel development; the kernel uses a +rolling development model which is continually integrating major changes. + +A relatively straightforward discipline is followed with regard to the +merging of patches for each release. At the beginning of each development +cycle, the "merge window" is said to be open. At that time, code which is +deemed to be sufficiently stable (and which is accepted by the development +community) is merged into the mainline kernel. The bulk of changes for a +new development cycle (and all of the major changes) will be merged during +this time, at a rate approaching 1,000 changes ("patches," or "changesets") +per day. + +(As an aside, it is worth noting that the changes integrated during the +merge window do not come out of thin air; they have been collected, tested, +and staged ahead of time. How that process works will be described in +detail later on). + +The merge window lasts for two weeks. At the end of this time, Linus +Torvalds will declare that the window is closed and release the first of +the "rc" kernels. For the kernel which is destined to be 2.6.26, for +example, the release which happens at the end of the merge window will be +called 2.6.26-rc1. The -rc1 release is the signal that the time to merge +new features has passed, and that the time to stabilize the next kernel has +begun. + +Over the next six to ten weeks, only patches which fix problems should be +submitted to the mainline. On occasion a more significant change will be +allowed, but such occasions are rare; developers who try to merge new +features outside of the merge window tend to get an unfriendly reception. +As a general rule, if you miss the merge window for a given feature, the +best thing to do is to wait for the next development cycle. (An occasional +exception is made for drivers for previously-unsupported hardware; if they +touch no in-tree code, they cannot cause regressions and should be safe to +add at any time). + +As fixes make their way into the mainline, the patch rate will slow over +time. Linus releases new -rc kernels about once a week; a normal series +will get up to somewhere between -rc6 and -rc9 before the kernel is +considered to be sufficiently stable and the final 2.6.x release is made. +At that point the whole process starts over again. + +As an example, here is how the 2.6.25 development cycle went (all dates in +2008): + + January 24 2.6.24 stable release + February 10 2.6.25-rc1, merge window closes + February 15 2.6.25-rc2 + February 24 2.6.25-rc3 + March 4 2.6.25-rc4 + March 9 2.6.25-rc5 + March 16 2.6.25-rc6 + March 25 2.6.25-rc7 + April 1 2.6.25-rc8 + April 11 2.6.25-rc9 + April 16 2.6.25 stable release + +How do the developers decide when to close the development cycle and create +the stable release? The most significant metric used is the list of +regressions from previous releases. No bugs are welcome, but those which +break systems which worked in the past are considered to be especially +serious. For this reason, patches which cause regressions are looked upon +unfavorably and are quite likely to be reverted during the stabilization +period. + +The developers' goal is to fix all known regressions before the stable +release is made. In the real world, this kind of perfection is hard to +achieve; there are just too many variables in a project of this size. +There comes a point where delaying the final release just makes the problem +worse; the pile of changes waiting for the next merge window will grow +larger, creating even more regressions the next time around. So most 2.6.x +kernels go out with a handful of known regressions though, hopefully, none +of them are serious. + +Once a stable release is made, its ongoing maintenance is passed off to the +"stable team," currently comprised of Greg Kroah-Hartman and Chris Wright. +The stable team will release occasional updates to the stable release using +the 2.6.x.y numbering scheme. To be considered for an update release, a +patch must (1) fix a significant bug, and (2) already be merged into the +mainline for the next development kernel. Continuing our 2.6.25 example, +the history (as of this writing) is: + + May 1 2.6.25.1 + May 6 2.6.25.2 + May 9 2.6.25.3 + May 15 2.6.25.4 + June 7 2.6.25.5 + June 9 2.6.25.6 + June 16 2.6.25.7 + June 21 2.6.25.8 + June 24 2.6.25.9 + +Stable updates for a given kernel are made for approximately six months; +after that, the maintenance of stable releases is solely the responsibility +of the distributors which have shipped that particular kernel. + + +2.2: THE LIFECYCLE OF A PATCH + +Patches do not go directly from the developer's keyboard into the mainline +kernel. There is, instead, a somewhat involved (if somewhat informal) +process designed to ensure that each patch is reviewed for quality and that +each patch implements a change which is desirable to have in the mainline. +This process can happen quickly for minor fixes, or, in the case of large +and controversial changes, go on for years. Much developer frustration +comes from a lack of understanding of this process or from attempts to +circumvent it. + +In the hopes of reducing that frustration, this document will describe how +a patch gets into the kernel. What follows below is an introduction which +describes the process in a somewhat idealized way. A much more detailed +treatment will come in later sections. + +The stages that a patch goes through are, generally: + + - Design. This is where the real requirements for the patch - and the way + those requirements will be met - are laid out. Design work is often + done without involving the community, but it is better to do this work + in the open if at all possible; it can save a lot of time redesigning + things later. + + - Early review. Patches are posted to the relevant mailing list, and + developers on that list reply with any comments they may have. This + process should turn up any major problems with a patch if all goes + well. + + - Wider review. When the patch is getting close to ready for mainline + inclusion, it will be accepted by a relevant subsystem maintainer - + though this acceptance is not a guarantee that the patch will make it + all the way to the mainline. The patch will show up in the maintainer's + subsystem tree and into the staging trees (described below). When the + process works, this step leads to more extensive review of the patch and + the discovery of any problems resulting from the integration of this + patch with work being done by others. + + - Merging into the mainline. Eventually, a successful patch will be + merged into the mainline repository managed by Linus Torvalds. More + comments and/or problems may surface at this time; it is important that + the developer be responsive to these and fix any issues which arise. + + - Stable release. The number of users potentially affected by the patch + is now large, so, once again, new problems may arise. + + - Long-term maintenance. While it is certainly possible for a developer + to forget about code after merging it, that sort of behavior tends to + leave a poor impression in the development community. Merging code + eliminates some of the maintenance burden, in that others will fix + problems caused by API changes. But the original developer should + continue to take responsibility for the code if it is to remain useful + in the longer term. + +One of the largest mistakes made by kernel developers (or their employers) +is to try to cut the process down to a single "merging into the mainline" +step. This approach invariably leads to frustration for everybody +involved. + + +2.3: HOW PATCHES GET INTO THE KERNEL + +There is exactly one person who can merge patches into the mainline kernel +repository: Linus Torvalds. But, of the over 12,000 patches which went +into the 2.6.25 kernel, only 250 (around 2%) were directly chosen by Linus +himself. The kernel project has long since grown to a size where no single +developer could possibly inspect and select every patch unassisted. The +way the kernel developers have addressed this growth is through the use of +a lieutenant system built around a chain of trust. + +The kernel code base is logically broken down into a set of subsystems: +networking, specific architecture support, memory management, video +devices, etc. Most subsystems have a designated maintainer, a developer +who has overall responsibility for the code within that subsystem. These +subsystem maintainers are the gatekeepers (in a loose way) for the portion +of the kernel they manage; they are the ones who will (usually) accept a +patch for inclusion into the mainline kernel. + +Subsystem maintainers each manage their own version of the kernel source +tree, usually (but certainly not always) using the git source management +tool. Tools like git (and related tools like quilt or mercurial) allow +maintainers to track a list of patches, including authorship information +and other metadata. At any given time, the maintainer can identify which +patches in his or her repository are not found in the mainline. + +When the merge window opens, top-level maintainers will ask Linus to "pull" +the patches they have selected for merging from their repositories. If +Linus agrees, the stream of patches will flow up into his repository, +becoming part of the mainline kernel. The amount of attention that Linus +pays to specific patches received in a pull operation varies. It is clear +that, sometimes, he looks quite closely. But, as a general rule, Linus +trusts the subsystem maintainers to not send bad patches upstream. + +Subsystem maintainers, in turn, can pull patches from other maintainers. +For example, the networking tree is built from patches which accumulated +first in trees dedicated to network device drivers, wireless networking, +etc. This chain of repositories can be arbitrarily long, though it rarely +exceeds two or three links. Since each maintainer in the chain trusts +those managing lower-level trees, this process is known as the "chain of +trust." + +Clearly, in a system like this, getting patches into the kernel depends on +finding the right maintainer. Sending patches directly to Linus is not +normally the right way to go. + + +2.4: STAGING TREES + +The chain of subsystem trees guides the flow of patches into the kernel, +but it also raises an interesting question: what if somebody wants to look +at all of the patches which are being prepared for the next merge window? +Developers will be interested in what other changes are pending to see +whether there are any conflicts to worry about; a patch which changes a +core kernel function prototype, for example, will conflict with any other +patches which use the older form of that function. Reviewers and testers +want access to the changes in their integrated form before all of those +changes land in the mainline kernel. One could pull changes from all of +the interesting subsystem trees, but that would be a big and error-prone +job. + +The answer comes in the form of staging trees, where subsystem trees are +collected for testing and review. The older of these trees, maintained by +Andrew Morton, is called "-mm" (for memory management, which is how it got +started). The -mm tree integrates patches from a long list of subsystem +trees; it also has some patches aimed at helping with debugging. + +Beyond that, -mm contains a significant collection of patches which have +been selected by Andrew directly. These patches may have been posted on a +mailing list, or they may apply to a part of the kernel for which there is +no designated subsystem tree. As a result, -mm operates as a sort of +subsystem tree of last resort; if there is no other obvious path for a +patch into the mainline, it is likely to end up in -mm. Miscellaneous +patches which accumulate in -mm will eventually either be forwarded on to +an appropriate subsystem tree or be sent directly to Linus. In a typical +development cycle, approximately 10% of the patches going into the mainline +get there via -mm. + +The current -mm patch can always be found from the front page of + + http://kernel.org/ + +Those who want to see the current state of -mm can get the "-mm of the +moment" tree, found at: + + http://userweb.kernel.org/~akpm/mmotm/ + +Use of the MMOTM tree is likely to be a frustrating experience, though; +there is a definite chance that it will not even compile. + +The other staging tree, started more recently, is linux-next, maintained by +Stephen Rothwell. The linux-next tree is, by design, a snapshot of what +the mainline is expected to look like after the next merge window closes. +Linux-next trees are announced on the linux-kernel and linux-next mailing +lists when they are assembled; they can be downloaded from: + + http://www.kernel.org/pub/linux/kernel/people/sfr/linux-next/ + +Some information about linux-next has been gathered at: + + http://linux.f-seidel.de/linux-next/pmwiki/ + +How the linux-next tree will fit into the development process is still +changing. As of this writing, the first full development cycle involving +linux-next (2.6.26) is coming to an end; thus far, it has proved to be a +valuable resource for finding and fixing integration problems before the +beginning of the merge window. See http://lwn.net/Articles/287155/ for +more information on how linux-next has worked to set up the 2.6.27 merge +window. + +Some developers have begun to suggest that linux-next should be used as the +target for future development as well. The linux-next tree does tend to be +far ahead of the mainline and is more representative of the tree into which +any new work will be merged. The downside to this idea is that the +volatility of linux-next tends to make it a difficult development target. +See http://lwn.net/Articles/289013/ for more information on this topic, and +stay tuned; much is still in flux where linux-next is involved. + + +2.5: TOOLS + +As can be seen from the above text, the kernel development process depends +heavily on the ability to herd collections of patches in various +directions. The whole thing would not work anywhere near as well as it +does without suitably powerful tools. Tutorials on how to use these tools +are well beyond the scope of this document, but there is space for a few +pointers. + +By far the dominant source code management system used by the kernel +community is git. Git is one of a number of distributed version control +systems being developed in the free software community. It is well tuned +for kernel development, in that it performs quite well when dealing with +large repositories and large numbers of patches. It also has a reputation +for being difficult to learn and use, though it has gotten better over +time. Some sort of familiarity with git is almost a requirement for kernel +developers; even if they do not use it for their own work, they'll need git +to keep up with what other developers (and the mainline) are doing. + +Git is now packaged by almost all Linux distributions. There is a home +page at + + http://git.or.cz/ + +That page has pointers to documentation and tutorials. One should be +aware, in particular, of the Kernel Hacker's Guide to git, which has +information specific to kernel development: + + http://linux.yyz.us/git-howto.html + +Among the kernel developers who do not use git, the most popular choice is +almost certainly Mercurial: + + http://www.selenic.com/mercurial/ + +Mercurial shares many features with git, but it provides an interface which +many find easier to use. + +The other tool worth knowing about is Quilt: + + http://savannah.nongnu.org/projects/quilt/ + +Quilt is a patch management system, rather than a source code management +system. It does not track history over time; it is, instead, oriented +toward tracking a specific set of changes against an evolving code base. +Some major subsystem maintainers use quilt to manage patches intended to go +upstream. For the management of certain kinds of trees (-mm, for example), +quilt is the best tool for the job. + + +2.6: MAILING LISTS + +A great deal of Linux kernel development work is done by way of mailing +lists. It is hard to be a fully-functioning member of the community +without joining at least one list somewhere. But Linux mailing lists also +represent a potential hazard to developers, who risk getting buried under a +load of electronic mail, running afoul of the conventions used on the Linux +lists, or both. + +Most kernel mailing lists are run on vger.kernel.org; the master list can +be found at: + + http://vger.kernel.org/vger-lists.html + +There are lists hosted elsewhere, though; a number of them are at +lists.redhat.com. + +The core mailing list for kernel development is, of course, linux-kernel. +This list is an intimidating place to be; volume can reach 500 messages per +day, the amount of noise is high, the conversation can be severely +technical, and participants are not always concerned with showing a high +degree of politeness. But there is no other place where the kernel +development community comes together as a whole; developers who avoid this +list will miss important information. + +There are a few hints which can help with linux-kernel survival: + +- Have the list delivered to a separate folder, rather than your main + mailbox. One must be able to ignore the stream for sustained periods of + time. + +- Do not try to follow every conversation - nobody else does. It is + important to filter on both the topic of interest (though note that + long-running conversations can drift away from the original subject + without changing the email subject line) and the people who are + participating. + +- Do not feed the trolls. If somebody is trying to stir up an angry + response, ignore them. + +- When responding to linux-kernel email (or that on other lists) preserve + the Cc: header for all involved. In the absence of a strong reason (such + as an explicit request), you should never remove recipients. Always make + sure that the person you are responding to is in the Cc: list. This + convention also makes it unnecessary to explicitly ask to be copied on + replies to your postings. + +- Search the list archives (and the net as a whole) before asking + questions. Some developers can get impatient with people who clearly + have not done their homework. + +- Avoid top-posting (the practice of putting your answer above the quoted + text you are responding to). It makes your response harder to read and + makes a poor impression. + +- Ask on the correct mailing list. Linux-kernel may be the general meeting + point, but it is not the best place to find developers from all + subsystems. + +The last point - finding the correct mailing list - is a common place for +beginning developers to go wrong. Somebody who asks a networking-related +question on linux-kernel will almost certainly receive a polite suggestion +to ask on the netdev list instead, as that is the list frequented by most +networking developers. Other lists exist for the SCSI, video4linux, IDE, +filesystem, etc. subsystems. The best place to look for mailing lists is +in the MAINTAINERS file packaged with the kernel source. + + +2.7: GETTING STARTED WITH KERNEL DEVELOPMENT + +Questions about how to get started with the kernel development process are +common - from both individuals and companies. Equally common are missteps +which make the beginning of the relationship harder than it has to be. + +Companies often look to hire well-known developers to get a development +group started. This can, in fact, be an effective technique. But it also +tends to be expensive and does not do much to grow the pool of experienced +kernel developers. It is possible to bring in-house developers up to speed +on Linux kernel development, given the investment of a bit of time. Taking +this time can endow an employer with a group of developers who understand +the kernel and the company both, and who can help to train others as well. +Over the medium term, this is often the more profitable approach. + +Individual developers are often, understandably, at a loss for a place to +start. Beginning with a large project can be intimidating; one often wants +to test the waters with something smaller first. This is the point where +some developers jump into the creation of patches fixing spelling errors or +minor coding style issues. Unfortunately, such patches create a level of +noise which is distracting for the development community as a whole, so, +increasingly, they are looked down upon. New developers wishing to +introduce themselves to the community will not get the sort of reception +they wish for by these means. + +Andrew Morton gives this advice for aspiring kernel developers + + The #1 project for all kernel beginners should surely be "make sure + that the kernel runs perfectly at all times on all machines which + you can lay your hands on". Usually the way to do this is to work + with others on getting things fixed up (this can require + persistence!) but that's fine - it's a part of kernel development. + +(http://lwn.net/Articles/283982/). + +In the absence of obvious problems to fix, developers are advised to look +at the current lists of regressions and open bugs in general. There is +never any shortage of issues in need of fixing; by addressing these issues, +developers will gain experience with the process while, at the same time, +building respect with the rest of the development community. diff --git a/Documentation/development-process/3.Early-stage b/Documentation/development-process/3.Early-stage new file mode 100644 index 000000000000..307a159a70ca --- /dev/null +++ b/Documentation/development-process/3.Early-stage @@ -0,0 +1,195 @@ +3: EARLY-STAGE PLANNING + +When contemplating a Linux kernel development project, it can be tempting +to jump right in and start coding. As with any significant project, +though, much of the groundwork for success is best laid before the first +line of code is written. Some time spent in early planning and +communication can save far more time later on. + + +3.1: SPECIFYING THE PROBLEM + +Like any engineering project, a successful kernel enhancement starts with a +clear description of the problem to be solved. In some cases, this step is +easy: when a driver is needed for a specific piece of hardware, for +example. In others, though, it is tempting to confuse the real problem +with the proposed solution, and that can lead to difficulties. + +Consider an example: some years ago, developers working with Linux audio +sought a way to run applications without dropouts or other artifacts caused +by excessive latency in the system. The solution they arrived at was a +kernel module intended to hook into the Linux Security Module (LSM) +framework; this module could be configured to give specific applications +access to the realtime scheduler. This module was implemented and sent to +the linux-kernel mailing list, where it immediately ran into problems. + +To the audio developers, this security module was sufficient to solve their +immediate problem. To the wider kernel community, though, it was seen as a +misuse of the LSM framework (which is not intended to confer privileges +onto processes which they would not otherwise have) and a risk to system +stability. Their preferred solutions involved realtime scheduling access +via the rlimit mechanism for the short term, and ongoing latency reduction +work in the long term. + +The audio community, however, could not see past the particular solution +they had implemented; they were unwilling to accept alternatives. The +resulting disagreement left those developers feeling disillusioned with the +entire kernel development process; one of them went back to an audio list +and posted this: + + There are a number of very good Linux kernel developers, but they + tend to get outshouted by a large crowd of arrogant fools. Trying + to communicate user requirements to these people is a waste of + time. They are much too "intelligent" to listen to lesser mortals. + +(http://lwn.net/Articles/131776/). + +The reality of the situation was different; the kernel developers were far +more concerned about system stability, long-term maintenance, and finding +the right solution to the problem than they were with a specific module. +The moral of the story is to focus on the problem - not a specific solution +- and to discuss it with the development community before investing in the +creation of a body of code. + +So, when contemplating a kernel development project, one should obtain +answers to a short set of questions: + + - What, exactly, is the problem which needs to be solved? + + - Who are the users affected by this problem? Which use cases should the + solution address? + + - How does the kernel fall short in addressing that problem now? + +Only then does it make sense to start considering possible solutions. + + +3.2: EARLY DISCUSSION + +When planning a kernel development project, it makes great sense to hold +discussions with the community before launching into implementation. Early +communication can save time and trouble in a number of ways: + + - It may well be that the problem is addressed by the kernel in ways which + you have not understood. The Linux kernel is large and has a number of + features and capabilities which are not immediately obvious. Not all + kernel capabilities are documented as well as one might like, and it is + easy to miss things. Your author has seen the posting of a complete + driver which duplicated an existing driver that the new author had been + unaware of. Code which reinvents existing wheels is not only wasteful; + it will also not be accepted into the mainline kernel. + + - There may be elements of the proposed solution which will not be + acceptable for mainline merging. It is better to find out about + problems like this before writing the code. + + - It's entirely possible that other developers have thought about the + problem; they may have ideas for a better solution, and may be willing + to help in the creation of that solution. + +Years of experience with the kernel development community have taught a +clear lesson: kernel code which is designed and developed behind closed +doors invariably has problems which are only revealed when the code is +released into the community. Sometimes these problems are severe, +requiring months or years of effort before the code can be brought up to +the kernel community's standards. Some examples include: + + - The Devicescape network stack was designed and implemented for + single-processor systems. It could not be merged into the mainline + until it was made suitable for multiprocessor systems. Retrofitting + locking and such into code is a difficult task; as a result, the merging + of this code (now called mac80211) was delayed for over a year. + + - The Reiser4 filesystem included a number of capabilities which, in the + core kernel developers' opinion, should have been implemented in the + virtual filesystem layer instead. It also included features which could + not easily be implemented without exposing the system to user-caused + deadlocks. The late revelation of these problems - and refusal to + address some of them - has caused Reiser4 to stay out of the mainline + kernel. + + - The AppArmor security module made use of internal virtual filesystem + data structures in ways which were considered to be unsafe and + unreliable. This code has since been significantly reworked, but + remains outside of the mainline. + +In each of these cases, a great deal of pain and extra work could have been +avoided with some early discussion with the kernel developers. + + +3.3: WHO DO YOU TALK TO? + +When developers decide to take their plans public, the next question will +be: where do we start? The answer is to find the right mailing list(s) and +the right maintainer. For mailing lists, the best approach is to look in +the MAINTAINERS file for a relevant place to post. If there is a suitable +subsystem list, posting there is often preferable to posting on +linux-kernel; you are more likely to reach developers with expertise in the +relevant subsystem and the environment may be more supportive. + +Finding maintainers can be a bit harder. Again, the MAINTAINERS file is +the place to start. That file tends to not always be up to date, though, +and not all subsystems are represented there. The person listed in the +MAINTAINERS file may, in fact, not be the person who is actually acting in +that role currently. So, when there is doubt about who to contact, a +useful trick is to use git (and "git log" in particular) to see who is +currently active within the subsystem of interest. Look at who is writing +patches, and who, if anybody, is attaching Signed-off-by lines to those +patches. Those are the people who will be best placed to help with a new +development project. + +If all else fails, talking to Andrew Morton can be an effective way to +track down a maintainer for a specific piece of code. + + +3.4: WHEN TO POST? + +If possible, posting your plans during the early stages can only be +helpful. Describe the problem being solved and any plans that have been +made on how the implementation will be done. Any information you can +provide can help the development community provide useful input on the +project. + +One discouraging thing which can happen at this stage is not a hostile +reaction, but, instead, little or no reaction at all. The sad truth of the +matter is (1) kernel developers tend to be busy, (2) there is no shortage +of people with grand plans and little code (or even prospect of code) to +back them up, and (3) nobody is obligated to review or comment on ideas +posted by others. If a request-for-comments posting yields little in the +way of comments, do not assume that it means there is no interest in the +project. Unfortunately, you also cannot assume that there are no problems +with your idea. The best thing to do in this situation is to proceed, +keeping the community informed as you go. + + +3.5: GETTING OFFICIAL BUY-IN + +If your work is being done in a corporate environment - as most Linux +kernel work is - you must, obviously, have permission from suitably +empowered managers before you can post your company's plans or code to a +public mailing list. The posting of code which has not been cleared for +release under a GPL-compatible license can be especially problematic; the +sooner that a company's management and legal staff can agree on the posting +of a kernel development project, the better off everybody involved will be. + +Some readers may be thinking at this point that their kernel work is +intended to support a product which does not yet have an officially +acknowledged existence. Revealing their employer's plans on a public +mailing list may not be a viable option. In cases like this, it is worth +considering whether the secrecy is really necessary; there is often no real +need to keep development plans behind closed doors. + +That said, there are also cases where a company legitimately cannot +disclose its plans early in the development process. Companies with +experienced kernel developers may choose to proceed in an open-loop manner +on the assumption that they will be able to avoid serious integration +problems later. For companies without that sort of in-house expertise, the +best option is often to hire an outside developer to review the plans under +a non-disclosure agreement. The Linux Foundation operates an NDA program +designed to help with this sort of situation; more information can be found +at: + + http://www.linuxfoundation.org/en/NDA_program + +This kind of review is often enough to avoid serious problems later on +without requiring public disclosure of the project. diff --git a/Documentation/development-process/4.Coding b/Documentation/development-process/4.Coding new file mode 100644 index 000000000000..014aca8f14e2 --- /dev/null +++ b/Documentation/development-process/4.Coding @@ -0,0 +1,384 @@ +4: GETTING THE CODE RIGHT + +While there is much to be said for a solid and community-oriented design +process, the proof of any kernel development project is in the resulting +code. It is the code which will be examined by other developers and merged +(or not) into the mainline tree. So it is the quality of this code which +will determine the ultimate success of the project. + +This section will examine the coding process. We'll start with a look at a +number of ways in which kernel developers can go wrong. Then the focus +will shift toward doing things right and the tools which can help in that +quest. + + +4.1: PITFALLS + +* Coding style + +The kernel has long had a standard coding style, described in +Documentation/CodingStyle. For much of that time, the policies described +in that file were taken as being, at most, advisory. As a result, there is +a substantial amount of code in the kernel which does not meet the coding +style guidelines. The presence of that code leads to two independent +hazards for kernel developers. + +The first of these is to believe that the kernel coding standards do not +matter and are not enforced. The truth of the matter is that adding new +code to the kernel is very difficult if that code is not coded according to +the standard; many developers will request that the code be reformatted +before they will even review it. A code base as large as the kernel +requires some uniformity of code to make it possible for developers to +quickly understand any part of it. So there is no longer room for +strangely-formatted code. + +Occasionally, the kernel's coding style will run into conflict with an +employer's mandated style. In such cases, the kernel's style will have to +win before the code can be merged. Putting code into the kernel means +giving up a degree of control in a number of ways - including control over +how the code is formatted. + +The other trap is to assume that code which is already in the kernel is +urgently in need of coding style fixes. Developers may start to generate +reformatting patches as a way of gaining familiarity with the process, or +as a way of getting their name into the kernel changelogs - or both. But +pure coding style fixes are seen as noise by the development community; +they tend to get a chilly reception. So this type of patch is best +avoided. It is natural to fix the style of a piece of code while working +on it for other reasons, but coding style changes should not be made for +their own sake. + +The coding style document also should not be read as an absolute law which +can never be transgressed. If there is a good reason to go against the +style (a line which becomes far less readable if split to fit within the +80-column limit, for example), just do it. + + +* Abstraction layers + +Computer Science professors teach students to make extensive use of +abstraction layers in the name of flexibility and information hiding. +Certainly the kernel makes extensive use of abstraction; no project +involving several million lines of code could do otherwise and survive. +But experience has shown that excessive or premature abstraction can be +just as harmful as premature optimization. Abstraction should be used to +the level required and no further. + +At a simple level, consider a function which has an argument which is +always passed as zero by all callers. One could retain that argument just +in case somebody eventually needs to use the extra flexibility that it +provides. By that time, though, chances are good that the code which +implements this extra argument has been broken in some subtle way which was +never noticed - because it has never been used. Or, when the need for +extra flexibility arises, it does not do so in a way which matches the +programmer's early expectation. Kernel developers will routinely submit +patches to remove unused arguments; they should, in general, not be added +in the first place. + +Abstraction layers which hide access to hardware - often to allow the bulk +of a driver to be used with multiple operating systems - are especially +frowned upon. Such layers obscure the code and may impose a performance +penalty; they do not belong in the Linux kernel. + +On the other hand, if you find yourself copying significant amounts of code +from another kernel subsystem, it is time to ask whether it would, in fact, +make sense to pull out some of that code into a separate library or to +implement that functionality at a higher level. There is no value in +replicating the same code throughout the kernel. + + +* #ifdef and preprocessor use in general + +The C preprocessor seems to present a powerful temptation to some C +programmers, who see it as a way to efficiently encode a great deal of +flexibility into a source file. But the preprocessor is not C, and heavy +use of it results in code which is much harder for others to read and +harder for the compiler to check for correctness. Heavy preprocessor use +is almost always a sign of code which needs some cleanup work. + +Conditional compilation with #ifdef is, indeed, a powerful feature, and it +is used within the kernel. But there is little desire to see code which is +sprinkled liberally with #ifdef blocks. As a general rule, #ifdef use +should be confined to header files whenever possible. +Conditionally-compiled code can be confined to functions which, if the code +is not to be present, simply become empty. The compiler will then quietly +optimize out the call to the empty function. The result is far cleaner +code which is easier to follow. + +C preprocessor macros present a number of hazards, including possible +multiple evaluation of expressions with side effects and no type safety. +If you are tempted to define a macro, consider creating an inline function +instead. The code which results will be the same, but inline functions are +easier to read, do not evaluate their arguments multiple times, and allow +the compiler to perform type checking on the arguments and return value. + + +* Inline functions + +Inline functions present a hazard of their own, though. Programmers can +become enamored of the perceived efficiency inherent in avoiding a function +call and fill a source file with inline functions. Those functions, +however, can actually reduce performance. Since their code is replicated +at each call site, they end up bloating the size of the compiled kernel. +That, in turn, creates pressure on the processor's memory caches, which can +slow execution dramatically. Inline functions, as a rule, should be quite +small and relatively rare. The cost of a function call, after all, is not +that high; the creation of large numbers of inline functions is a classic +example of premature optimization. + +In general, kernel programmers ignore cache effects at their peril. The +classic time/space tradeoff taught in beginning data structures classes +often does not apply to contemporary hardware. Space *is* time, in that a +larger program will run slower than one which is more compact. + + +* Locking + +In May, 2006, the "Devicescape" networking stack was, with great +fanfare, released under the GPL and made available for inclusion in the +mainline kernel. This donation was welcome news; support for wireless +networking in Linux was considered substandard at best, and the Devicescape +stack offered the promise of fixing that situation. Yet, this code did not +actually make it into the mainline until June, 2007 (2.6.22). What +happened? + +This code showed a number of signs of having been developed behind +corporate doors. But one large problem in particular was that it was not +designed to work on multiprocessor systems. Before this networking stack +(now called mac80211) could be merged, a locking scheme needed to be +retrofitted onto it. + +Once upon a time, Linux kernel code could be developed without thinking +about the concurrency issues presented by multiprocessor systems. Now, +however, this document is being written on a dual-core laptop. Even on +single-processor systems, work being done to improve responsiveness will +raise the level of concurrency within the kernel. The days when kernel +code could be written without thinking about locking are long past. + +Any resource (data structures, hardware registers, etc.) which could be +accessed concurrently by more than one thread must be protected by a lock. +New code should be written with this requirement in mind; retrofitting +locking after the fact is a rather more difficult task. Kernel developers +should take the time to understand the available locking primitives well +enough to pick the right tool for the job. Code which shows a lack of +attention to concurrency will have a difficult path into the mainline. + + +* Regressions + +One final hazard worth mentioning is this: it can be tempting to make a +change (which may bring big improvements) which causes something to break +for existing users. This kind of change is called a "regression," and +regressions have become most unwelcome in the mainline kernel. With few +exceptions, changes which cause regressions will be backed out if the +regression cannot be fixed in a timely manner. Far better to avoid the +regression in the first place. + +It is often argued that a regression can be justified if it causes things +to work for more people than it creates problems for. Why not make a +change if it brings new functionality to ten systems for each one it +breaks? The best answer to this question was expressed by Linus in July, +2007: + + So we don't fix bugs by introducing new problems. That way lies + madness, and nobody ever knows if you actually make any real + progress at all. Is it two steps forwards, one step back, or one + step forward and two steps back? + +(http://lwn.net/Articles/243460/). + +An especially unwelcome type of regression is any sort of change to the +user-space ABI. Once an interface has been exported to user space, it must +be supported indefinitely. This fact makes the creation of user-space +interfaces particularly challenging: since they cannot be changed in +incompatible ways, they must be done right the first time. For this +reason, a great deal of thought, clear documentation, and wide review for +user-space interfaces is always required. + + + +4.2: CODE CHECKING TOOLS + +For now, at least, the writing of error-free code remains an ideal that few +of us can reach. What we can hope to do, though, is to catch and fix as +many of those errors as possible before our code goes into the mainline +kernel. To that end, the kernel developers have put together an impressive +array of tools which can catch a wide variety of obscure problems in an +automated way. Any problem caught by the computer is a problem which will +not afflict a user later on, so it stands to reason that the automated +tools should be used whenever possible. + +The first step is simply to heed the warnings produced by the compiler. +Contemporary versions of gcc can detect (and warn about) a large number of +potential errors. Quite often, these warnings point to real problems. +Code submitted for review should, as a rule, not produce any compiler +warnings. When silencing warnings, take care to understand the real cause +and try to avoid "fixes" which make the warning go away without addressing +its cause. + +Note that not all compiler warnings are enabled by default. Build the +kernel with "make EXTRA_CFLAGS=-W" to get the full set. + +The kernel provides several configuration options which turn on debugging +features; most of these are found in the "kernel hacking" submenu. Several +of these options should be turned on for any kernel used for development or +testing purposes. In particular, you should turn on: + + - ENABLE_WARN_DEPRECATED, ENABLE_MUST_CHECK, and FRAME_WARN to get an + extra set of warnings for problems like the use of deprecated interfaces + or ignoring an important return value from a function. The output + generated by these warnings can be verbose, but one need not worry about + warnings from other parts of the kernel. + + - DEBUG_OBJECTS will add code to track the lifetime of various objects + created by the kernel and warn when things are done out of order. If + you are adding a subsystem which creates (and exports) complex objects + of its own, consider adding support for the object debugging + infrastructure. + + - DEBUG_SLAB can find a variety of memory allocation and use errors; it + should be used on most development kernels. + + - DEBUG_SPINLOCK, DEBUG_SPINLOCK_SLEEP, and DEBUG_MUTEXES will find a + number of common locking errors. + +There are quite a few other debugging options, some of which will be +discussed below. Some of them have a significant performance impact and +should not be used all of the time. But some time spent learning the +available options will likely be paid back many times over in short order. + +One of the heavier debugging tools is the locking checker, or "lockdep." +This tool will track the acquisition and release of every lock (spinlock or +mutex) in the system, the order in which locks are acquired relative to +each other, the current interrupt environment, and more. It can then +ensure that locks are always acquired in the same order, that the same +interrupt assumptions apply in all situations, and so on. In other words, +lockdep can find a number of scenarios in which the system could, on rare +occasion, deadlock. This kind of problem can be painful (for both +developers and users) in a deployed system; lockdep allows them to be found +in an automated manner ahead of time. Code with any sort of non-trivial +locking should be run with lockdep enabled before being submitted for +inclusion. + +As a diligent kernel programmer, you will, beyond doubt, check the return +status of any operation (such as a memory allocation) which can fail. The +fact of the matter, though, is that the resulting failure recovery paths +are, probably, completely untested. Untested code tends to be broken code; +you could be much more confident of your code if all those error-handling +paths had been exercised a few times. + +The kernel provides a fault injection framework which can do exactly that, +especially where memory allocations are involved. With fault injection +enabled, a configurable percentage of memory allocations will be made to +fail; these failures can be restricted to a specific range of code. +Running with fault injection enabled allows the programmer to see how the +code responds when things go badly. See +Documentation/fault-injection/fault-injection.text for more information on +how to use this facility. + +Other kinds of errors can be found with the "sparse" static analysis tool. +With sparse, the programmer can be warned about confusion between +user-space and kernel-space addresses, mixture of big-endian and +small-endian quantities, the passing of integer values where a set of bit +flags is expected, and so on. Sparse must be installed separately (it can +be found at http://www.kernel.org/pub/software/devel/sparse/ if your +distributor does not package it); it can then be run on the code by adding +"C=1" to your make command. + +Other kinds of portability errors are best found by compiling your code for +other architectures. If you do not happen to have an S/390 system or a +Blackfin development board handy, you can still perform the compilation +step. A large set of cross compilers for x86 systems can be found at + + http://www.kernel.org/pub/tools/crosstool/ + +Some time spent installing and using these compilers will help avoid +embarrassment later. + + +4.3: DOCUMENTATION + +Documentation has often been more the exception than the rule with kernel +development. Even so, adequate documentation will help to ease the merging +of new code into the kernel, make life easier for other developers, and +will be helpful for your users. In many cases, the addition of +documentation has become essentially mandatory. + +The first piece of documentation for any patch is its associated +changelog. Log entries should describe the problem being solved, the form +of the solution, the people who worked on the patch, any relevant +effects on performance, and anything else that might be needed to +understand the patch. + +Any code which adds a new user-space interface - including new sysfs or +/proc files - should include documentation of that interface which enables +user-space developers to know what they are working with. See +Documentation/ABI/README for a description of how this documentation should +be formatted and what information needs to be provided. + +The file Documentation/kernel-parameters.txt describes all of the kernel's +boot-time parameters. Any patch which adds new parameters should add the +appropriate entries to this file. + +Any new configuration options must be accompanied by help text which +clearly explains the options and when the user might want to select them. + +Internal API information for many subsystems is documented by way of +specially-formatted comments; these comments can be extracted and formatted +in a number of ways by the "kernel-doc" script. If you are working within +a subsystem which has kerneldoc comments, you should maintain them and add +them, as appropriate, for externally-available functions. Even in areas +which have not been so documented, there is no harm in adding kerneldoc +comments for the future; indeed, this can be a useful activity for +beginning kernel developers. The format of these comments, along with some +information on how to create kerneldoc templates can be found in the file +Documentation/kernel-doc-nano-HOWTO.txt. + +Anybody who reads through a significant amount of existing kernel code will +note that, often, comments are most notable by their absence. Once again, +the expectations for new code are higher than they were in the past; +merging uncommented code will be harder. That said, there is little desire +for verbosely-commented code. The code should, itself, be readable, with +comments explaining the more subtle aspects. + +Certain things should always be commented. Uses of memory barriers should +be accompanied by a line explaining why the barrier is necessary. The +locking rules for data structures generally need to be explained somewhere. +Major data structures need comprehensive documentation in general. +Non-obvious dependencies between separate bits of code should be pointed +out. Anything which might tempt a code janitor to make an incorrect +"cleanup" needs a comment saying why it is done the way it is. And so on. + + +4.4: INTERNAL API CHANGES + +The binary interface provided by the kernel to user space cannot be broken +except under the most severe circumstances. The kernel's internal +programming interfaces, instead, are highly fluid and can be changed when +the need arises. If you find yourself having to work around a kernel API, +or simply not using a specific functionality because it does not meet your +needs, that may be a sign that the API needs to change. As a kernel +developer, you are empowered to make such changes. + +There are, of course, some catches. API changes can be made, but they need +to be well justified. So any patch making an internal API change should be +accompanied by a description of what the change is and why it is +necessary. This kind of change should also be broken out into a separate +patch, rather than buried within a larger patch. + +The other catch is that a developer who changes an internal API is +generally charged with the task of fixing any code within the kernel tree +which is broken by the change. For a widely-used function, this duty can +lead to literally hundreds or thousands of changes - many of which are +likely to conflict with work being done by other developers. Needless to +say, this can be a large job, so it is best to be sure that the +justification is solid. + +When making an incompatible API change, one should, whenever possible, +ensure that code which has not been updated is caught by the compiler. +This will help you to be sure that you have found all in-tree uses of that +interface. It will also alert developers of out-of-tree code that there is +a change that they need to respond to. Supporting out-of-tree code is not +something that kernel developers need to be worried about, but we also do +not have to make life harder for out-of-tree developers than it it needs to +be. diff --git a/Documentation/development-process/5.Posting b/Documentation/development-process/5.Posting new file mode 100644 index 000000000000..dd48132a74dd --- /dev/null +++ b/Documentation/development-process/5.Posting @@ -0,0 +1,278 @@ +5: POSTING PATCHES + +Sooner or later, the time comes when your work is ready to be presented to +the community for review and, eventually, inclusion into the mainline +kernel. Unsurprisingly, the kernel development community has evolved a set +of conventions and procedures which are used in the posting of patches; +following them will make life much easier for everybody involved. This +document will attempt to cover these expectations in reasonable detail; +more information can also be found in the files SubmittingPatches, +SubmittingDrivers, and SubmitChecklist in the kernel documentation +directory. + + +5.1: WHEN TO POST + +There is a constant temptation to avoid posting patches before they are +completely "ready." For simple patches, that is not a problem. If the +work being done is complex, though, there is a lot to be gained by getting +feedback from the community before the work is complete. So you should +consider posting in-progress work, or even making a git tree available so +that interested developers can catch up with your work at any time. + +When posting code which is not yet considered ready for inclusion, it is a +good idea to say so in the posting itself. Also mention any major work +which remains to be done and any known problems. Fewer people will look at +patches which are known to be half-baked, but those who do will come in +with the idea that they can help you drive the work in the right direction. + + +5.2: BEFORE CREATING PATCHES + +There are a number of things which should be done before you consider +sending patches to the development community. These include: + + - Test the code to the extent that you can. Make use of the kernel's + debugging tools, ensure that the kernel will build with all reasonable + combinations of configuration options, use cross-compilers to build for + different architectures, etc. + + - Make sure your code is compliant with the kernel coding style + guidelines. + + - Does your change have performance implications? If so, you should run + benchmarks showing what the impact (or benefit) of your change is; a + summary of the results should be included with the patch. + + - Be sure that you have the right to post the code. If this work was done + for an employer, the employer likely has a right to the work and must be + agreeable with its release under the GPL. + +As a general rule, putting in some extra thought before posting code almost +always pays back the effort in short order. + + +5.3: PATCH PREPARATION + +The preparation of patches for posting can be a surprising amount of work, +but, once again, attempting to save time here is not generally advisable +even in the short term. + +Patches must be prepared against a specific version of the kernel. As a +general rule, a patch should be based on the current mainline as found in +Linus's git tree. It may become necessary to make versions against -mm, +linux-next, or a subsystem tree, though, to facilitate wider testing and +review. Depending on the area of your patch and what is going on +elsewhere, basing a patch against these other trees can require a +significant amount of work resolving conflicts and dealing with API +changes. + +Only the most simple changes should be formatted as a single patch; +everything else should be made as a logical series of changes. Splitting +up patches is a bit of an art; some developers spend a long time figuring +out how to do it in the way that the community expects. There are a few +rules of thumb, however, which can help considerably: + + - The patch series you post will almost certainly not be the series of + changes found in your working revision control system. Instead, the + changes you have made need to be considered in their final form, then + split apart in ways which make sense. The developers are interested in + discrete, self-contained changes, not the path you took to get to those + changes. + + - Each logically independent change should be formatted as a separate + patch. These changes can be small ("add a field to this structure") or + large (adding a significant new driver, for example), but they should be + conceptually small and amenable to a one-line description. Each patch + should make a specific change which can be reviewed on its own and + verified to do what it says it does. + + - As a way of restating the guideline above: do not mix different types of + changes in the same patch. If a single patch fixes a critical security + bug, rearranges a few structures, and reformats the code, there is a + good chance that it will be passed over and the important fix will be + lost. + + - Each patch should yield a kernel which builds and runs properly; if your + patch series is interrupted in the middle, the result should still be a + working kernel. Partial application of a patch series is a common + scenario when the "git bisect" tool is used to find regressions; if the + result is a broken kernel, you will make life harder for developers and + users who are engaging in the noble work of tracking down problems. + + - Do not overdo it, though. One developer recently posted a set of edits + to a single file as 500 separate patches - an act which did not make him + the most popular person on the kernel mailing list. A single patch can + be reasonably large as long as it still contains a single *logical* + change. + + - It can be tempting to add a whole new infrastructure with a series of + patches, but to leave that infrastructure unused until the final patch + in the series enables the whole thing. This temptation should be + avoided if possible; if that series adds regressions, bisection will + finger the last patch as the one which caused the problem, even though + the real bug is elsewhere. Whenever possible, a patch which adds new + code should make that code active immediately. + +Working to create the perfect patch series can be a frustrating process +which takes quite a bit of time and thought after the "real work" has been +done. When done properly, though, it is time well spent. + + +5.4: PATCH FORMATTING + +So now you have a perfect series of patches for posting, but the work is +not done quite yet. Each patch needs to be formatted into a message which +quickly and clearly communicates its purpose to the rest of the world. To +that end, each patch will be composed of the following: + + - An optional "From" line naming the author of the patch. This line is + only necessary if you are passing on somebody else's patch via email, + but it never hurts to add it when in doubt. + + - A one-line description of what the patch does. This message should be + enough for a reader who sees it with no other context to figure out the + scope of the patch; it is the line that will show up in the "short form" + changelogs. This message is usually formatted with the relevant + subsystem name first, followed by the purpose of the patch. For + example: + + gpio: fix build on CONFIG_GPIO_SYSFS=n + + - A blank line followed by a detailed description of the contents of the + patch. This description can be as long as is required; it should say + what the patch does and why it should be applied to the kernel. + + - One or more tag lines, with, at a minimum, one Signed-off-by: line from + the author of the patch. Tags will be described in more detail below. + +The above three items should, normally, be the text used when committing +the change to a revision control system. They are followed by: + + - The patch itself, in the unified ("-u") patch format. Using the "-p" + option to diff will associate function names with changes, making the + resulting patch easier for others to read. + +You should avoid including changes to irrelevant files (those generated by +the build process, for example, or editor backup files) in the patch. The +file "dontdiff" in the Documentation directory can help in this regard; +pass it to diff with the "-X" option. + +The tags mentioned above are used to describe how various developers have +been associated with the development of this patch. They are described in +detail in the SubmittingPatches document; what follows here is a brief +summary. Each of these lines has the format: + + tag: Full Name optional-other-stuff + +The tags in common use are: + + - Signed-off-by: this is a developer's certification that he or she has + the right to submit the patch for inclusion into the kernel. It is an + agreement to the Developer's Certificate of Origin, the full text of + which can be found in Documentation/SubmittingPatches. Code without a + proper signoff cannot be merged into the mainline. + + - Acked-by: indicates an agreement by another developer (often a + maintainer of the relevant code) that the patch is appropriate for + inclusion into the kernel. + + - Tested-by: states that the named person has tested the patch and found + it to work. + + - Reviewed-by: the named developer has reviewed the patch for correctness; + see the reviewer's statement in Documentation/SubmittingPatches for more + detail. + + - Reported-by: names a user who reported a problem which is fixed by this + patch; this tag is used to give credit to the (often underappreciated) + people who test our code and let us know when things do not work + correctly. + + - Cc: the named person received a copy of the patch and had the + opportunity to comment on it. + +Be careful in the addition of tags to your patches: only Cc: is appropriate +for addition without the explicit permission of the person named. + + +5.5: SENDING THE PATCH + +Before you mail your patches, there are a couple of other things you should +take care of: + + - Are you sure that your mailer will not corrupt the patches? Patches + which have had gratuitous white-space changes or line wrapping performed + by the mail client will not apply at the other end, and often will not + be examined in any detail. If there is any doubt at all, mail the patch + to yourself and convince yourself that it shows up intact. + + Documentation/email-clients.txt has some helpful hints on making + specific mail clients work for sending patches. + + - Are you sure your patch is free of silly mistakes? You should always + run patches through scripts/checkpatch.pl and address the complaints it + comes up with. Please bear in mind that checkpatch.pl, while being the + embodiment of a fair amount of thought about what kernel patches should + look like, is not smarter than you. If fixing a checkpatch.pl complaint + would make the code worse, don't do it. + +Patches should always be sent as plain text. Please do not send them as +attachments; that makes it much harder for reviewers to quote sections of +the patch in their replies. Instead, just put the patch directly into your +message. + +When mailing patches, it is important to send copies to anybody who might +be interested in it. Unlike some other projects, the kernel encourages +people to err on the side of sending too many copies; don't assume that the +relevant people will see your posting on the mailing lists. In particular, +copies should go to: + + - The maintainer(s) of the affected subsystem(s). As described earlier, + the MAINTAINERS file is the first place to look for these people. + + - Other developers who have been working in the same area - especially + those who might be working there now. Using git to see who else has + modified the files you are working on can be helpful. + + - If you are responding to a bug report or a feature request, copy the + original poster as well. + + - Send a copy to the relevant mailing list, or, if nothing else applies, + the linux-kernel list. + + - If you are fixing a bug, think about whether the fix should go into the + next stable update. If so, stable@kernel.org should get a copy of the + patch. Also add a "Cc: stable@kernel.org" to the tags within the patch + itself; that will cause the stable team to get a notification when your + fix goes into the mainline. + +When selecting recipients for a patch, it is good to have an idea of who +you think will eventually accept the patch and get it merged. While it +is possible to send patches directly to Linus Torvalds and have him merge +them, things are not normally done that way. Linus is busy, and there are +subsystem maintainers who watch over specific parts of the kernel. Usually +you will be wanting that maintainer to merge your patches. If there is no +obvious maintainer, Andrew Morton is often the patch target of last resort. + +Patches need good subject lines. The canonical format for a patch line is +something like: + + [PATCH nn/mm] subsys: one-line description of the patch + +where "nn" is the ordinal number of the patch, "mm" is the total number of +patches in the series, and "subsys" is the name of the affected subsystem. +Clearly, nn/mm can be omitted for a single, standalone patch. + +If you have a significant series of patches, it is customary to send an +introductory description as part zero. This convention is not universally +followed though; if you use it, remember that information in the +introduction does not make it into the kernel changelogs. So please ensure +that the patches, themselves, have complete changelog information. + +In general, the second and following parts of a multi-part patch should be +sent as a reply to the first part so that they all thread together at the +receiving end. Tools like git and quilt have commands to mail out a set of +patches with the proper threading. If you have a long series, though, and +are using git, please provide the --no-chain-reply-to option to avoid +creating exceptionally deep nesting. diff --git a/Documentation/development-process/6.Followthrough b/Documentation/development-process/6.Followthrough new file mode 100644 index 000000000000..a8fba3d83a85 --- /dev/null +++ b/Documentation/development-process/6.Followthrough @@ -0,0 +1,202 @@ +6: FOLLOWTHROUGH + +At this point, you have followed the guidelines given so far and, with the +addition of your own engineering skills, have posted a perfect series of +patches. One of the biggest mistakes that even experienced kernel +developers can make is to conclude that their work is now done. In truth, +posting patches indicates a transition into the next stage of the process, +with, possibly, quite a bit of work yet to be done. + +It is a rare patch which is so good at its first posting that there is no +room for improvement. The kernel development process recognizes this fact, +and, as a result, is heavily oriented toward the improvement of posted +code. You, as the author of that code, will be expected to work with the +kernel community to ensure that your code is up to the kernel's quality +standards. A failure to participate in this process is quite likely to +prevent the inclusion of your patches into the mainline. + + +6.1: WORKING WITH REVIEWERS + +A patch of any significance will result in a number of comments from other +developers as they review the code. Working with reviewers can be, for +many developers, the most intimidating part of the kernel development +process. Life can be made much easier, though, if you keep a few things in +mind: + + - If you have explained your patch well, reviewers will understand its + value and why you went to the trouble of writing it. But that value + will not keep them from asking a fundamental question: what will it be + like to maintain a kernel with this code in it five or ten years later? + Many of the changes you may be asked to make - from coding style tweaks + to substantial rewrites - come from the understanding that Linux will + still be around and under development a decade from now. + + - Code review is hard work, and it is a relatively thankless occupation; + people remember who wrote kernel code, but there is little lasting fame + for those who reviewed it. So reviewers can get grumpy, especially when + they see the same mistakes being made over and over again. If you get a + review which seems angry, insulting, or outright offensive, resist the + impulse to respond in kind. Code review is about the code, not about + the people, and code reviewers are not attacking you personally. + + - Similarly, code reviewers are not trying to promote their employers' + agendas at the expense of your own. Kernel developers often expect to + be working on the kernel years from now, but they understand that their + employer could change. They truly are, almost without exception, + working toward the creation of the best kernel they can; they are not + trying to create discomfort for their employers' competitors. + +What all of this comes down to is that, when reviewers send you comments, +you need to pay attention to the technical observations that they are +making. Do not let their form of expression or your own pride keep that +from happening. When you get review comments on a patch, take the time to +understand what the reviewer is trying to say. If possible, fix the things +that the reviewer is asking you to fix. And respond back to the reviewer: +thank them, and describe how you will answer their questions. + +Note that you do not have to agree with every change suggested by +reviewers. If you believe that the reviewer has misunderstood your code, +explain what is really going on. If you have a technical objection to a +suggested change, describe it and justify your solution to the problem. If +your explanations make sense, the reviewer will accept them. Should your +explanation not prove persuasive, though, especially if others start to +agree with the reviewer, take some time to think things over again. It can +be easy to become blinded by your own solution to a problem to the point +that you don't realize that something is fundamentally wrong or, perhaps, +you're not even solving the right problem. + +One fatal mistake is to ignore review comments in the hope that they will +go away. They will not go away. If you repost code without having +responded to the comments you got the time before, you're likely to find +that your patches go nowhere. + +Speaking of reposting code: please bear in mind that reviewers are not +going to remember all the details of the code you posted the last time +around. So it is always a good idea to remind reviewers of previously +raised issues and how you dealt with them; the patch changelog is a good +place for this kind of information. Reviewers should not have to search +through list archives to familiarize themselves with what was said last +time; if you help them get a running start, they will be in a better mood +when they revisit your code. + +What if you've tried to do everything right and things still aren't going +anywhere? Most technical disagreements can be resolved through discussion, +but there are times when somebody simply has to make a decision. If you +honestly believe that this decision is going against you wrongly, you can +always try appealing to a higher power. As of this writing, that higher +power tends to be Andrew Morton. Andrew has a great deal of respect in the +kernel development community; he can often unjam a situation which seems to +be hopelessly blocked. Appealing to Andrew should not be done lightly, +though, and not before all other alternatives have been explored. And bear +in mind, of course, that he may not agree with you either. + + +6.2: WHAT HAPPENS NEXT + +If a patch is considered to be a good thing to add to the kernel, and once +most of the review issues have been resolved, the next step is usually +entry into a subsystem maintainer's tree. How that works varies from one +subsystem to the next; each maintainer has his or her own way of doing +things. In particular, there may be more than one tree - one, perhaps, +dedicated to patches planned for the next merge window, and another for +longer-term work. + +For patches applying to areas for which there is no obvious subsystem tree +(memory management patches, for example), the default tree often ends up +being -mm. Patches which affect multiple subsystems can also end up going +through the -mm tree. + +Inclusion into a subsystem tree can bring a higher level of visibility to a +patch. Now other developers working with that tree will get the patch by +default. Subsystem trees typically feed into -mm and linux-next as well, +making their contents visible to the development community as a whole. At +this point, there's a good chance that you will get more comments from a +new set of reviewers; these comments need to be answered as in the previous +round. + +What may also happen at this point, depending on the nature of your patch, +is that conflicts with work being done by others turn up. In the worst +case, heavy patch conflicts can result in some work being put on the back +burner so that the remaining patches can be worked into shape and merged. +Other times, conflict resolution will involve working with the other +developers and, possibly, moving some patches between trees to ensure that +everything applies cleanly. This work can be a pain, but count your +blessings: before the advent of the linux-next tree, these conflicts often +only turned up during the merge window and had to be addressed in a hurry. +Now they can be resolved at leisure, before the merge window opens. + +Some day, if all goes well, you'll log on and see that your patch has been +merged into the mainline kernel. Congratulations! Once the celebration is +complete (and you have added yourself to the MAINTAINERS file), though, it +is worth remembering an important little fact: the job still is not done. +Merging into the mainline brings its own challenges. + +To begin with, the visibility of your patch has increased yet again. There +may be a new round of comments from developers who had not been aware of +the patch before. It may be tempting to ignore them, since there is no +longer any question of your code being merged. Resist that temptation, +though; you still need to be responsive to developers who have questions or +suggestions. + +More importantly, though: inclusion into the mainline puts your code into +the hands of a much larger group of testers. Even if you have contributed +a driver for hardware which is not yet available, you will be surprised by +how many people will build your code into their kernels. And, of course, +where there are testers, there will be bug reports. + +The worst sort of bug reports are regressions. If your patch causes a +regression, you'll find an uncomfortable number of eyes upon you; +regressions need to be fixed as soon as possible. If you are unwilling or +unable to fix the regression (and nobody else does it for you), your patch +will almost certainly be removed during the stabilization period. Beyond +negating all of the work you have done to get your patch into the mainline, +having a patch pulled as the result of a failure to fix a regression could +well make it harder for you to get work merged in the future. + +After any regressions have been dealt with, there may be other, ordinary +bugs to deal with. The stabilization period is your best opportunity to +fix these bugs and ensure that your code's debut in a mainline kernel +release is as solid as possible. So, please, answer bug reports, and fix +the problems if at all possible. That's what the stabilization period is +for; you can start creating cool new patches once any problems with the old +ones have been taken care of. + +And don't forget that there are other milestones which may also create bug +reports: the next mainline stable release, when prominent distributors pick +up a version of the kernel containing your patch, etc. Continuing to +respond to these reports is a matter of basic pride in your work. If that +is insufficient motivation, though, it's also worth considering that the +development community remembers developers who lose interest in their code +after it's merged. The next time you post a patch, they will be evaluating +it with the assumption that you will not be around to maintain it +afterward. + + +6.3: OTHER THINGS THAT CAN HAPPEN + +One day, you may open your mail client and see that somebody has mailed you +a patch to your code. That is one of the advantages of having your code +out there in the open, after all. If you agree with the patch, you can +either forward it on to the subsystem maintainer (be sure to include a +proper From: line so that the attribution is correct, and add a signoff of +your own), or send an Acked-by: response back and let the original poster +send it upward. + +If you disagree with the patch, send a polite response explaining why. If +possible, tell the author what changes need to be made to make the patch +acceptable to you. There is a certain resistance to merging patches which +are opposed by the author and maintainer of the code, but it only goes so +far. If you are seen as needlessly blocking good work, those patches will +eventually flow around you and get into the mainline anyway. In the Linux +kernel, nobody has absolute veto power over any code. Except maybe Linus. + +On very rare occasion, you may see something completely different: another +developer posts a different solution to your problem. At that point, +chances are that one of the two patches will not be merged, and "mine was +here first" is not considered to be a compelling technical argument. If +somebody else's patch displaces yours and gets into the mainline, there is +really only one way to respond: be pleased that your problem got solved and +get on with your work. Having one's work shoved aside in this manner can +be hurtful and discouraging, but the community will remember your reaction +long after they have forgotten whose patch actually got merged. diff --git a/Documentation/development-process/7.AdvancedTopics b/Documentation/development-process/7.AdvancedTopics new file mode 100644 index 000000000000..a2cf74093aa1 --- /dev/null +++ b/Documentation/development-process/7.AdvancedTopics @@ -0,0 +1,173 @@ +7: ADVANCED TOPICS + +At this point, hopefully, you have a handle on how the development process +works. There is still more to learn, however! This section will cover a +number of topics which can be helpful for developers wanting to become a +regular part of the Linux kernel development process. + +7.1: MANAGING PATCHES WITH GIT + +The use of distributed version control for the kernel began in early 2002, +when Linus first started playing with the proprietary BitKeeper +application. While BitKeeper was controversial, the approach to software +version management it embodied most certainly was not. Distributed version +control enabled an immediate acceleration of the kernel development +project. In current times, there are several free alternatives to +BitKeeper. For better or for worse, the kernel project has settled on git +as its tool of choice. + +Managing patches with git can make life much easier for the developer, +especially as the volume of those patches grows. Git also has its rough +edges and poses certain hazards; it is a young and powerful tool which is +still being civilized by its developers. This document will not attempt to +teach the reader how to use git; that would be sufficient material for a +long document in its own right. Instead, the focus here will be on how git +fits into the kernel development process in particular. Developers who +wish to come up to speed with git will find more information at: + + http://git.or.cz/ + + http://www.kernel.org/pub/software/scm/git/docs/user-manual.html + +and on various tutorials found on the web. + +The first order of business is to read the above sites and get a solid +understanding of how git works before trying to use it to make patches +available to others. A git-using developer should be able to obtain a copy +of the mainline repository, explore the revision history, commit changes to +the tree, use branches, etc. An understanding of git's tools for the +rewriting of history (such as rebase) is also useful. Git comes with its +own terminology and concepts; a new user of git should know about refs, +remote branches, the index, fast-forward merges, pushes and pulls, detached +heads, etc. It can all be a little intimidating at the outset, but the +concepts are not that hard to grasp with a bit of study. + +Using git to generate patches for submission by email can be a good +exercise while coming up to speed. + +When you are ready to start putting up git trees for others to look at, you +will, of course, need a server that can be pulled from. Setting up such a +server with git-daemon is relatively straightforward if you have a system +which is accessible to the Internet. Otherwise, free, public hosting sites +(Github, for example) are starting to appear on the net. Established +developers can get an account on kernel.org, but those are not easy to come +by; see http://kernel.org/faq/ for more information. + +The normal git workflow involves the use of a lot of branches. Each line +of development can be separated into a separate "topic branch" and +maintained independently. Branches in git are cheap, there is no reason to +not make free use of them. And, in any case, you should not do your +development in any branch which you intend to ask others to pull from. +Publicly-available branches should be created with care; merge in patches +from development branches when they are in complete form and ready to go - +not before. + +Git provides some powerful tools which can allow you to rewrite your +development history. An inconvenient patch (one which breaks bisection, +say, or which has some other sort of obvious bug) can be fixed in place or +made to disappear from the history entirely. A patch series can be +rewritten as if it had been written on top of today's mainline, even though +you have been working on it for months. Changes can be transparently +shifted from one branch to another. And so on. Judicious use of git's +ability to revise history can help in the creation of clean patch sets with +fewer problems. + +Excessive use of this capability can lead to other problems, though, beyond +a simple obsession for the creation of the perfect project history. +Rewriting history will rewrite the changes contained in that history, +turning a tested (hopefully) kernel tree into an untested one. But, beyond +that, developers cannot easily collaborate if they do not have a shared +view of the project history; if you rewrite history which other developers +have pulled into their repositories, you will make life much more difficult +for those developers. So a simple rule of thumb applies here: history +which has been exported to others should generally be seen as immutable +thereafter. + +So, once you push a set of changes to your publicly-available server, those +changes should not be rewritten. Git will attempt to enforce this rule if +you try to push changes which do not result in a fast-forward merge +(i.e. changes which do not share the same history). It is possible to +override this check, and there may be times when it is necessary to rewrite +an exported tree. Moving changesets between trees to avoid conflicts in +linux-next is one example. But such actions should be rare. This is one +of the reasons why development should be done in private branches (which +can be rewritten if necessary) and only moved into public branches when +it's in a reasonably advanced state. + +As the mainline (or other tree upon which a set of changes is based) +advances, it is tempting to merge with that tree to stay on the leading +edge. For a private branch, rebasing can be an easy way to keep up with +another tree, but rebasing is not an option once a tree is exported to the +world. Once that happens, a full merge must be done. Merging occasionally +makes good sense, but overly frequent merges can clutter the history +needlessly. Suggested technique in this case is to merge infrequently, and +generally only at specific release points (such as a mainline -rc +release). If you are nervous about specific changes, you can always +perform test merges in a private branch. The git "rerere" tool can be +useful in such situations; it remembers how merge conflicts were resolved +so that you don't have to do the same work twice. + +One of the biggest recurring complaints about tools like git is this: the +mass movement of patches from one repository to another makes it easy to +slip in ill-advised changes which go into the mainline below the review +radar. Kernel developers tend to get unhappy when they see that kind of +thing happening; putting up a git tree with unreviewed or off-topic patches +can affect your ability to get trees pulled in the future. Quoting Linus: + + You can send me patches, but for me to pull a git patch from you, I + need to know that you know what you're doing, and I need to be able + to trust things *without* then having to go and check every + individual change by hand. + +(http://lwn.net/Articles/224135/). + +To avoid this kind of situation, ensure that all patches within a given +branch stick closely to the associated topic; a "driver fixes" branch +should not be making changes to the core memory management code. And, most +importantly, do not use a git tree to bypass the review process. Post an +occasional summary of the tree to the relevant list, and, when the time is +right, request that the tree be included in linux-next. + +If and when others start to send patches for inclusion into your tree, +don't forget to review them. Also ensure that you maintain the correct +authorship information; the git "am" tool does its best in this regard, but +you may have to add a "From:" line to the patch if it has been relayed to +you via a third party. + +When requesting a pull, be sure to give all the relevant information: where +your tree is, what branch to pull, and what changes will result from the +pull. The git request-pull command can be helpful in this regard; it will +format the request as other developers expect, and will also check to be +sure that you have remembered to push those changes to the public server. + + +7.2: REVIEWING PATCHES + +Some readers will certainly object to putting this section with "advanced +topics" on the grounds that even beginning kernel developers should be +reviewing patches. It is certainly true that there is no better way to +learn how to program in the kernel environment than by looking at code +posted by others. In addition, reviewers are forever in short supply; by +looking at code you can make a significant contribution to the process as a +whole. + +Reviewing code can be an intimidating prospect, especially for a new kernel +developer who may well feel nervous about questioning code - in public - +which has been posted by those with more experience. Even code written by +the most experienced developers can be improved, though. Perhaps the best +piece of advice for reviewers (all reviewers) is this: phrase review +comments as questions rather than criticisms. Asking "how does the lock +get released in this path?" will always work better than stating "the +locking here is wrong." + +Different developers will review code from different points of view. Some +are mostly concerned with coding style and whether code lines have trailing +white space. Others will focus primarily on whether the change implemented +by the patch as a whole is a good thing for the kernel or not. Yet others +will check for problematic locking, excessive stack usage, possible +security issues, duplication of code found elsewhere, adequate +documentation, adverse effects on performance, user-space ABI changes, etc. +All types of review, if they lead to better code going into the kernel, are +welcome and worthwhile. + + diff --git a/Documentation/development-process/8.Conclusion b/Documentation/development-process/8.Conclusion new file mode 100644 index 000000000000..1990ab4b4949 --- /dev/null +++ b/Documentation/development-process/8.Conclusion @@ -0,0 +1,74 @@ +8: FOR MORE INFORMATION + +There are numerous sources of information on Linux kernel development and +related topics. First among those will always be the Documentation +directory found in the kernel source distribution. The top-level HOWTO +file is an important starting point; SubmittingPatches and +SubmittingDrivers are also something which all kernel developers should +read. Many internal kernel APIs are documented using the kerneldoc +mechanism; "make htmldocs" or "make pdfdocs" can be used to generate those +documents in HTML or PDF format (though the version of TeX shipped by some +distributions runs into internal limits and fails to process the documents +properly). + +Various web sites discuss kernel development at all levels of detail. Your +author would like to humbly suggest http://lwn.net/ as a source; +information on many specific kernel topics can be found via the LWN kernel +index at: + + http://lwn.net/Kernel/Index/ + +Beyond that, a valuable resource for kernel developers is: + + http://kernelnewbies.org/ + +Information about the linux-next tree gathers at: + + http://linux.f-seidel.de/linux-next/pmwiki/ + +And, of course, one should not forget http://kernel.org/, the definitive +location for kernel release information. + +There are a number of books on kernel development: + + Linux Device Drivers, 3rd Edition (Jonathan Corbet, Alessandro + Rubini, and Greg Kroah-Hartman). Online at + http://lwn.net/Kernel/LDD3/. + + Linux Kernel Development (Robert Love). + + Understanding the Linux Kernel (Daniel Bovet and Marco Cesati). + +All of these books suffer from a common fault, though: they tend to be +somewhat obsolete by the time they hit the shelves, and they have been on +the shelves for a while now. Still, there is quite a bit of good +information to be found there. + +Documentation for git can be found at: + + http://www.kernel.org/pub/software/scm/git/docs/ + + http://www.kernel.org/pub/software/scm/git/docs/user-manual.html + + +9: CONCLUSION + +Congratulations to anybody who has made it through this long-winded +document. Hopefully it has provided a helpful understanding of how the +Linux kernel is developed and how you can participate in that process. + +In the end, it's the participation that matters. Any open source software +project is no more than the sum of what its contributors put into it. The +Linux kernel has progressed as quickly and as well as it has because it has +been helped by an impressively large group of developers, all of whom are +working to make it better. The kernel is a premier example of what can be +done when thousands of people work together toward a common goal. + +The kernel can always benefit from a larger developer base, though. There +is always more work to do. But, just as importantly, most other +participants in the Linux ecosystem can benefit through contributing to the +kernel. Getting code into the mainline is the key to higher code quality, +lower maintenance and distribution costs, a higher level of influence over +the direction of kernel development, and more. It is a situation where +everybody involved wins. Fire up your editor and come join us; you will be +more than welcome. -- GitLab From 58bae1f5cfd077f7f5f3af5d1ac50c3a82ac6411 Mon Sep 17 00:00:00 2001 From: Hidetoshi Seto Date: Tue, 13 May 2008 13:36:55 +0900 Subject: [PATCH 5298/6244] doc: Test-by? Commonly used is "Tested-by." Signed-off-by: Hidetoshi Seto Signed-off-by: Jonathan Corbet --- Documentation/SubmittingPatches | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index f79ad9ff6031..0d601cba9690 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -405,7 +405,7 @@ person it names. This tag documents that potentially interested parties have been included in the discussion -14) Using Test-by: and Reviewed-by: +14) Using Tested-by: and Reviewed-by: A Tested-by: tag indicates that the patch has been successfully tested (in some environment) by the person named. This tag informs maintainers that -- GitLab From 7e3975617df8dd8b7fd94f14200abdec9f71729e Mon Sep 17 00:00:00 2001 From: Jonathan Corbet Date: Thu, 16 Oct 2008 11:53:20 -0600 Subject: [PATCH 5299/6244] Remove videobook.tmpl This document describes the long-deprecated V4L1 interface. In-tree, it can only serve to encourage developers to write drivers to the wrong API. Remove it in favor of the V4L2 documentation which must surely show up someday. Acked-by: Alan Cox Acked-by: Mauro Carvalho Chehab Signed-off-by: Jonathan Corbet --- Documentation/DocBook/Makefile | 2 +- Documentation/DocBook/videobook.tmpl | 1654 -------------------------- 2 files changed, 1 insertion(+), 1655 deletions(-) delete mode 100644 Documentation/DocBook/videobook.tmpl diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 1615350b7b53..fabc06466b93 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -6,7 +6,7 @@ # To add a new book the only step required is to add the book to the # list of DOCBOOKS. -DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \ +DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml \ kernel-hacking.xml kernel-locking.xml deviceiobook.xml \ procfs-guide.xml writing_usb_driver.xml networking.xml \ kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \ diff --git a/Documentation/DocBook/videobook.tmpl b/Documentation/DocBook/videobook.tmpl deleted file mode 100644 index 0bc25949b668..000000000000 --- a/Documentation/DocBook/videobook.tmpl +++ /dev/null @@ -1,1654 +0,0 @@ - - - - - - Video4Linux Programming - - - - Alan - Cox - -
- alan@redhat.com -
- - - - - - 2000 - Alan Cox - - - - - This documentation is free software; you can redistribute - it and/or modify it under the terms of the GNU General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later - version. - - - - This program is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied - warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - - - - You should have received a copy of the GNU General Public - License along with this program; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, - MA 02111-1307 USA - - - - For more details see the file COPYING in the source - distribution of Linux. - - - - - - - - Introduction - - Parts of this document first appeared in Linux Magazine under a - ninety day exclusivity. - - - Video4Linux is intended to provide a common programming interface - for the many TV and capture cards now on the market, as well as - parallel port and USB video cameras. Radio, teletext decoders and - vertical blanking data interfaces are also provided. - - - - Radio Devices - - There are a wide variety of radio interfaces available for PC's, and these - are generally very simple to program. The biggest problem with supporting - such devices is normally extracting documentation from the vendor. - - - The radio interface supports a simple set of control ioctls standardised - across all radio and tv interfaces. It does not support read or write, which - are used for video streams. The reason radio cards do not allow you to read - the audio stream into an application is that without exception they provide - a connection on to a soundcard. Soundcards can be used to read the radio - data just fine. - - - Registering Radio Devices - - The Video4linux core provides an interface for registering devices. The - first step in writing our radio card driver is to register it. - - - - -static struct video_device my_radio -{ - "My radio", - VID_TYPE_TUNER, - radio_open. - radio_close, - NULL, /* no read */ - NULL, /* no write */ - NULL, /* no poll */ - radio_ioctl, - NULL, /* no special init function */ - NULL /* no private data */ -}; - - - - - This declares our video4linux device driver interface. The VID_TYPE_ value - defines what kind of an interface we are, and defines basic capabilities. - - - The only defined value relevant for a radio card is VID_TYPE_TUNER which - indicates that the device can be tuned. Clearly our radio is going to have some - way to change channel so it is tuneable. - - - We declare an open and close routine, but we do not need read or write, - which are used to read and write video data to or from the card itself. As - we have no read or write there is no poll function. - - - The private initialise function is run when the device is registered. In - this driver we've already done all the work needed. The final pointer is a - private data pointer that can be used by the device driver to attach and - retrieve private data structures. We set this field "priv" to NULL for - the moment. - - - Having the structure defined is all very well but we now need to register it - with the kernel. - - - - -static int io = 0x320; - -int __init myradio_init(struct video_init *v) -{ - if(!request_region(io, MY_IO_SIZE, "myradio")) - { - printk(KERN_ERR - "myradio: port 0x%03X is in use.\n", io); - return -EBUSY; - } - - if(video_device_register(&my_radio, VFL_TYPE_RADIO)==-1) { - release_region(io, MY_IO_SIZE); - return -EINVAL; - } - return 0; -} - - - - The first stage of the initialisation, as is normally the case, is to check - that the I/O space we are about to fiddle with doesn't belong to some other - driver. If it is we leave well alone. If the user gives the address of the - wrong device then we will spot this. These policies will generally avoid - crashing the machine. - - - Now we ask the Video4Linux layer to register the device for us. We hand it - our carefully designed video_device structure and also tell it which group - of devices we want it registered with. In this case VFL_TYPE_RADIO. - - - The types available are - - Device Types - - - - VFL_TYPE_RADIO/dev/radio{n} - - Radio devices are assigned in this block. As with all of these - selections the actual number assignment is done by the video layer - accordijng to what is free. - - VFL_TYPE_GRABBER/dev/video{n} - Video capture devices and also -- counter-intuitively for the name -- - hardware video playback devices such as MPEG2 cards. - - VFL_TYPE_VBI/dev/vbi{n} - The VBI devices capture the hidden lines on a television picture - that carry further information like closed caption data, teletext - (primarily in Europe) and now Intercast and the ATVEC internet - television encodings. - - VFL_TYPE_VTX/dev/vtx[n} - VTX is 'Videotext' also known as 'Teletext'. This is a system for - sending numbered, 40x25, mostly textual page images over the hidden - lines. Unlike the /dev/vbi interfaces, this is for 'smart' decoder - chips. (The use of the word smart here has to be taken in context, - the smartest teletext chips are fairly dumb pieces of technology). - - - - -
- - We are most definitely a radio. - - - Finally we allocate our I/O space so that nobody treads on us and return 0 - to signify general happiness with the state of the universe. - - - - Opening And Closing The Radio - - - The functions we declared in our video_device are mostly very simple. - Firstly we can drop in what is basically standard code for open and close. - - - - -static int users = 0; - -static int radio_open(struct video_device *dev, int flags) -{ - if(users) - return -EBUSY; - users++; - return 0; -} - - - - At open time we need to do nothing but check if someone else is also using - the radio card. If nobody is using it we make a note that we are using it, - then we ensure that nobody unloads our driver on us. - - - - -static int radio_close(struct video_device *dev) -{ - users--; -} - - - - At close time we simply need to reduce the user count and allow the module - to become unloadable. - - - If you are sharp you will have noticed neither the open nor the close - routines attempt to reset or change the radio settings. This is intentional. - It allows an application to set up the radio and exit. It avoids a user - having to leave an application running all the time just to listen to the - radio. - - - - The Ioctl Interface - - This leaves the ioctl routine, without which the driver will not be - terribly useful to anyone. - - - - -static int radio_ioctl(struct video_device *dev, unsigned int cmd, void *arg) -{ - switch(cmd) - { - case VIDIOCGCAP: - { - struct video_capability v; - v.type = VID_TYPE_TUNER; - v.channels = 1; - v.audios = 1; - v.maxwidth = 0; - v.minwidth = 0; - v.maxheight = 0; - v.minheight = 0; - strcpy(v.name, "My Radio"); - if(copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - - - - VIDIOCGCAP is the first ioctl all video4linux devices must support. It - allows the applications to find out what sort of a card they have found and - to figure out what they want to do about it. The fields in the structure are - - struct video_capability fields - - - - nameThe device text name. This is intended for the user. - - channelsThe number of different channels you can tune on - this card. It could even by zero for a card that has - no tuning capability. For our simple FM radio it is 1. - An AM/FM radio would report 2. - - audiosThe number of audio inputs on this device. For our - radio there is only one audio input. - - minwidth,minheightThe smallest size the card is capable of capturing - images in. We set these to zero. Radios do not - capture pictures - - maxwidth,maxheightThe largest image size the card is capable of - capturing. For our radio we report 0. - - - typeThis reports the capabilities of the device, and - matches the field we filled in in the struct - video_device when registering. - - - -
- - Having filled in the fields, we use copy_to_user to copy the structure into - the users buffer. If the copy fails we return an EFAULT to the application - so that it knows it tried to feed us garbage. - - - The next pair of ioctl operations select which tuner is to be used and let - the application find the tuner properties. We have only a single FM band - tuner in our example device. - - - - - case VIDIOCGTUNER: - { - struct video_tuner v; - if(copy_from_user(&v, arg, sizeof(v))!=0) - return -EFAULT; - if(v.tuner) - return -EINVAL; - v.rangelow=(87*16000); - v.rangehigh=(108*16000); - v.flags = VIDEO_TUNER_LOW; - v.mode = VIDEO_MODE_AUTO; - v.signal = 0xFFFF; - strcpy(v.name, "FM"); - if(copy_to_user(&v, arg, sizeof(v))!=0) - return -EFAULT; - return 0; - } - - - - The VIDIOCGTUNER ioctl allows applications to query a tuner. The application - sets the tuner field to the tuner number it wishes to query. The query does - not change the tuner that is being used, it merely enquires about the tuner - in question. - - - We have exactly one tuner so after copying the user buffer to our temporary - structure we complain if they asked for a tuner other than tuner 0. - - - The video_tuner structure has the following fields - - struct video_tuner fields - - - - int tunerThe number of the tuner in question - - char name[32]A text description of this tuner. "FM" will do fine. - This is intended for the application. - - u32 flags - Tuner capability flags - - - u16 modeThe current reception mode - - - u16 signalThe signal strength scaled between 0 and 65535. If - a device cannot tell the signal strength it should - report 65535. Many simple cards contain only a - signal/no signal bit. Such cards will report either - 0 or 65535. - - - u32 rangelow, rangehigh - The range of frequencies supported by the radio - or TV. It is scaled according to the VIDEO_TUNER_LOW - flag. - - - - -
- - struct video_tuner flags - - - - VIDEO_TUNER_PALA PAL TV tuner - - VIDEO_TUNER_NTSCAn NTSC (US) TV tuner - - VIDEO_TUNER_SECAMA SECAM (French) TV tuner - - VIDEO_TUNER_LOW - The tuner frequency is scaled in 1/16th of a KHz - steps. If not it is in 1/16th of a MHz steps - - - VIDEO_TUNER_NORMThe tuner can set its format - - VIDEO_TUNER_STEREO_ONThe tuner is currently receiving a stereo signal - - - -
- - struct video_tuner modes - - - - VIDEO_MODE_PALPAL Format - - VIDEO_MODE_NTSCNTSC Format (USA) - - VIDEO_MODE_SECAMFrench Format - - VIDEO_MODE_AUTOA device that does not need to do - TV format switching - - - -
- - The settings for the radio card are thus fairly simple. We report that we - are a tuner called "FM" for FM radio. In order to get the best tuning - resolution we report VIDEO_TUNER_LOW and select tuning to 1/16th of KHz. Its - unlikely our card can do that resolution but it is a fair bet the card can - do better than 1/16th of a MHz. VIDEO_TUNER_LOW is appropriate to almost all - radio usage. - - - We report that the tuner automatically handles deciding what format it is - receiving - true enough as it only handles FM radio. Our example card is - also incapable of detecting stereo or signal strengths so it reports a - strength of 0xFFFF (maximum) and no stereo detected. - - - To finish off we set the range that can be tuned to be 87-108Mhz, the normal - FM broadcast radio range. It is important to find out what the card is - actually capable of tuning. It is easy enough to simply use the FM broadcast - range. Unfortunately if you do this you will discover the FM broadcast - ranges in the USA, Europe and Japan are all subtly different and some users - cannot receive all the stations they wish. - - - The application also needs to be able to set the tuner it wishes to use. In - our case, with a single tuner this is rather simple to arrange. - - - - case VIDIOCSTUNER: - { - struct video_tuner v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.tuner != 0) - return -EINVAL; - return 0; - } - - - - We copy the user supplied structure into kernel memory so we can examine it. - If the user has selected a tuner other than zero we reject the request. If - they wanted tuner 0 then, surprisingly enough, that is the current tuner already. - - - The next two ioctls we need to provide are to get and set the frequency of - the radio. These both use an unsigned long argument which is the frequency. - The scale of the frequency depends on the VIDEO_TUNER_LOW flag as I - mentioned earlier on. Since we have VIDEO_TUNER_LOW set this will be in - 1/16ths of a KHz. - - - -static unsigned long current_freq; - - - - case VIDIOCGFREQ: - if(copy_to_user(arg, &current_freq, - sizeof(unsigned long)) - return -EFAULT; - return 0; - - - - Querying the frequency in our case is relatively simple. Our radio card is - too dumb to let us query the signal strength so we remember our setting if - we know it. All we have to do is copy it to the user. - - - - - case VIDIOCSFREQ: - { - u32 freq; - if(copy_from_user(arg, &freq, - sizeof(unsigned long))!=0) - return -EFAULT; - if(hardware_set_freq(freq)<0) - return -EINVAL; - current_freq = freq; - return 0; - } - - - - Setting the frequency is a little more complex. We begin by copying the - desired frequency into kernel space. Next we call a hardware specific routine - to set the radio up. This might be as simple as some scaling and a few - writes to an I/O port. For most radio cards it turns out a good deal more - complicated and may involve programming things like a phase locked loop on - the card. This is what documentation is for. - - - The final set of operations we need to provide for our radio are the - volume controls. Not all radio cards can even do volume control. After all - there is a perfectly good volume control on the sound card. We will assume - our radio card has a simple 4 step volume control. - - - There are two ioctls with audio we need to support - - - -static int current_volume=0; - - case VIDIOCGAUDIO: - { - struct video_audio v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.audio != 0) - return -EINVAL; - v.volume = 16384*current_volume; - v.step = 16384; - strcpy(v.name, "Radio"); - v.mode = VIDEO_SOUND_MONO; - v.balance = 0; - v.base = 0; - v.treble = 0; - - if(copy_to_user(arg. &v, sizeof(v))) - return -EFAULT; - return 0; - } - - - - Much like the tuner we start by copying the user structure into kernel - space. Again we check if the user has asked for a valid audio input. We have - only input 0 and we punt if they ask for another input. - - - Then we fill in the video_audio structure. This has the following format - - struct video_audio fields - - - - audioThe input the user wishes to query - - volumeThe volume setting on a scale of 0-65535 - - baseThe base level on a scale of 0-65535 - - trebleThe treble level on a scale of 0-65535 - - flagsThe features this audio device supports - - - nameA text name to display to the user. We picked - "Radio" as it explains things quite nicely. - - modeThe current reception mode for the audio - - We report MONO because our card is too stupid to know if it is in - mono or stereo. - - - balanceThe stereo balance on a scale of 0-65535, 32768 is - middle. - - stepThe step by which the volume control jumps. This is - used to help make it easy for applications to set - slider behaviour. - - - -
- - struct video_audio flags - - - - VIDEO_AUDIO_MUTEThe audio is currently muted. We - could fake this in our driver but we - choose not to bother. - - VIDEO_AUDIO_MUTABLEThe input has a mute option - - VIDEO_AUDIO_TREBLEThe input has a treble control - - VIDEO_AUDIO_BASSThe input has a base control - - - -
- - struct video_audio modes - - - - VIDEO_SOUND_MONOMono sound - - VIDEO_SOUND_STEREOStereo sound - - VIDEO_SOUND_LANG1Alternative language 1 (TV specific) - - VIDEO_SOUND_LANG2Alternative language 2 (TV specific) - - - -
- - Having filled in the structure we copy it back to user space. - - - The VIDIOCSAUDIO ioctl allows the user to set the audio parameters in the - video_audio structure. The driver does its best to honour the request. - - - - case VIDIOCSAUDIO: - { - struct video_audio v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.audio) - return -EINVAL; - current_volume = v/16384; - hardware_set_volume(current_volume); - return 0; - } - - - - In our case there is very little that the user can set. The volume is - basically the limit. Note that we could pretend to have a mute feature - by rewriting this to - - - - case VIDIOCSAUDIO: - { - struct video_audio v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.audio) - return -EINVAL; - current_volume = v/16384; - if(v.flags&VIDEO_AUDIO_MUTE) - hardware_set_volume(0); - else - hardware_set_volume(current_volume); - current_muted = v.flags & - VIDEO_AUDIO_MUTE; - return 0; - } - - - - This with the corresponding changes to the VIDIOCGAUDIO code to report the - state of the mute flag we save and to report the card has a mute function, - will allow applications to use a mute facility with this card. It is - questionable whether this is a good idea however. User applications can already - fake this themselves and kernel space is precious. - - - We now have a working radio ioctl handler. So we just wrap up the function - - - - - } - return -ENOIOCTLCMD; -} - - - - and pass the Video4Linux layer back an error so that it knows we did not - understand the request we got passed. - - - - Module Wrapper - - Finally we add in the usual module wrapping and the driver is done. - - - -#ifndef MODULE - -static int io = 0x300; - -#else - -static int io = -1; - -#endif - -MODULE_AUTHOR("Alan Cox"); -MODULE_DESCRIPTION("A driver for an imaginary radio card."); -module_param(io, int, 0444); -MODULE_PARM_DESC(io, "I/O address of the card."); - -static int __init init(void) -{ - if(io==-1) - { - printk(KERN_ERR - "You must set an I/O address with io=0x???\n"); - return -EINVAL; - } - return myradio_init(NULL); -} - -static void __exit cleanup(void) -{ - video_unregister_device(&my_radio); - release_region(io, MY_IO_SIZE); -} - -module_init(init); -module_exit(cleanup); - - - - In this example we set the IO base by default if the driver is compiled into - the kernel: you can still set it using "my_radio.irq" if this file is called my_radio.c. For the module we require the - user sets the parameter. We set io to a nonsense port (-1) so that we can - tell if the user supplied an io parameter or not. - - - We use MODULE_ defines to give an author for the card driver and a - description. We also use them to declare that io is an integer and it is the - address of the card, and can be read by anyone from sysfs. - - - The clean-up routine unregisters the video_device we registered, and frees - up the I/O space. Note that the unregister takes the actual video_device - structure as its argument. Unlike the file operations structure which can be - shared by all instances of a device a video_device structure as an actual - instance of the device. If you are registering multiple radio devices you - need to fill in one structure per device (most likely by setting up a - template and copying it to each of the actual device structures). - - - - - Video Capture Devices - - Video Capture Device Types - - The video capture devices share the same interfaces as radio devices. In - order to explain the video capture interface I will use the example of a - camera that has no tuners or audio input. This keeps the example relatively - clean. To get both combine the two driver examples. - - - Video capture devices divide into four categories. A little technology - backgrounder. Full motion video even at television resolution (which is - actually fairly low) is pretty resource-intensive. You are continually - passing megabytes of data every second from the capture card to the display. - several alternative approaches have emerged because copying this through the - processor and the user program is a particularly bad idea . - - - The first is to add the television image onto the video output directly. - This is also how some 3D cards work. These basic cards can generally drop the - video into any chosen rectangle of the display. Cards like this, which - include most mpeg1 cards that used the feature connector, aren't very - friendly in a windowing environment. They don't understand windows or - clipping. The video window is always on the top of the display. - - - Chroma keying is a technique used by cards to get around this. It is an old - television mixing trick where you mark all the areas you wish to replace - with a single clear colour that isn't used in the image - TV people use an - incredibly bright blue while computing people often use a particularly - virulent purple. Bright blue occurs on the desktop. Anyone with virulent - purple windows has another problem besides their TV overlay. - - - The third approach is to copy the data from the capture card to the video - card, but to do it directly across the PCI bus. This relieves the processor - from doing the work but does require some smartness on the part of the video - capture chip, as well as a suitable video card. Programming this kind of - card and more so debugging it can be extremely tricky. There are some quite - complicated interactions with the display and you may also have to cope with - various chipset bugs that show up when PCI cards start talking to each - other. - - - To keep our example fairly simple we will assume a card that supports - overlaying a flat rectangular image onto the frame buffer output, and which - can also capture stuff into processor memory. - - - - Registering Video Capture Devices - - This time we need to add more functions for our camera device. - - -static struct video_device my_camera -{ - "My Camera", - VID_TYPE_OVERLAY|VID_TYPE_SCALES|\ - VID_TYPE_CAPTURE|VID_TYPE_CHROMAKEY, - camera_open. - camera_close, - camera_read, /* no read */ - NULL, /* no write */ - camera_poll, /* no poll */ - camera_ioctl, - NULL, /* no special init function */ - NULL /* no private data */ -}; - - - We need a read() function which is used for capturing data from - the card, and we need a poll function so that a driver can wait for the next - frame to be captured. - - - We use the extra video capability flags that did not apply to the - radio interface. The video related flags are - - Capture Capabilities - - - -VID_TYPE_CAPTUREWe support image capture - -VID_TYPE_TELETEXTA teletext capture device (vbi{n]) - -VID_TYPE_OVERLAYThe image can be directly overlaid onto the - frame buffer - -VID_TYPE_CHROMAKEYChromakey can be used to select which parts - of the image to display - -VID_TYPE_CLIPPINGIt is possible to give the board a list of - rectangles to draw around. - -VID_TYPE_FRAMERAMThe video capture goes into the video memory - and actually changes it. Applications need - to know this so they can clean up after the - card - -VID_TYPE_SCALESThe image can be scaled to various sizes, - rather than being a single fixed size. - -VID_TYPE_MONOCHROMEThe capture will be monochrome. This isn't a - complete answer to the question since a mono - camera on a colour capture card will still - produce mono output. - -VID_TYPE_SUBCAPTUREThe card allows only part of its field of - view to be captured. This enables - applications to avoid copying all of a large - image into memory when only some section is - relevant. - - - -
- - We set VID_TYPE_CAPTURE so that we are seen as a capture card, - VID_TYPE_CHROMAKEY so the application knows it is time to draw in virulent - purple, and VID_TYPE_SCALES because we can be resized. - - - Our setup is fairly similar. This time we also want an interrupt line - for the 'frame captured' signal. Not all cards have this so some of them - cannot handle poll(). - - - - -static int io = 0x320; -static int irq = 11; - -int __init mycamera_init(struct video_init *v) -{ - if(!request_region(io, MY_IO_SIZE, "mycamera")) - { - printk(KERN_ERR - "mycamera: port 0x%03X is in use.\n", io); - return -EBUSY; - } - - if(video_device_register(&my_camera, - VFL_TYPE_GRABBER)==-1) { - release_region(io, MY_IO_SIZE); - return -EINVAL; - } - return 0; -} - - - - This is little changed from the needs of the radio card. We specify - VFL_TYPE_GRABBER this time as we want to be allocated a /dev/video name. - - - - Opening And Closing The Capture Device - - - -static int users = 0; - -static int camera_open(struct video_device *dev, int flags) -{ - if(users) - return -EBUSY; - if(request_irq(irq, camera_irq, 0, "camera", dev)<0) - return -EBUSY; - users++; - return 0; -} - - -static int camera_close(struct video_device *dev) -{ - users--; - free_irq(irq, dev); -} - - - The open and close routines are also quite similar. The only real change is - that we now request an interrupt for the camera device interrupt line. If we - cannot get the interrupt we report EBUSY to the application and give up. - - - - Interrupt Handling - - Our example handler is for an ISA bus device. If it was PCI you would be - able to share the interrupt and would have set IRQF_SHARED to indicate a - shared IRQ. We pass the device pointer as the interrupt routine argument. We - don't need to since we only support one card but doing this will make it - easier to upgrade the driver for multiple devices in the future. - - - Our interrupt routine needs to do little if we assume the card can simply - queue one frame to be read after it captures it. - - - - -static struct wait_queue *capture_wait; -static int capture_ready = 0; - -static void camera_irq(int irq, void *dev_id, - struct pt_regs *regs) -{ - capture_ready=1; - wake_up_interruptible(&capture_wait); -} - - - The interrupt handler is nice and simple for this card as we are assuming - the card is buffering the frame for us. This means we have little to do but - wake up anybody interested. We also set a capture_ready flag, as we may - capture a frame before an application needs it. In this case we need to know - that a frame is ready. If we had to collect the frame on the interrupt life - would be more complex. - - - The two new routines we need to supply are camera_read which returns a - frame, and camera_poll which waits for a frame to become ready. - - - - -static int camera_poll(struct video_device *dev, - struct file *file, struct poll_table *wait) -{ - poll_wait(file, &capture_wait, wait); - if(capture_read) - return POLLIN|POLLRDNORM; - return 0; -} - - - - Our wait queue for polling is the capture_wait queue. This will cause the - task to be woken up by our camera_irq routine. We check capture_read to see - if there is an image present and if so report that it is readable. - - - - Reading The Video Image - - - -static long camera_read(struct video_device *dev, char *buf, - unsigned long count) -{ - struct wait_queue wait = { current, NULL }; - u8 *ptr; - int len; - int i; - - add_wait_queue(&capture_wait, &wait); - - while(!capture_ready) - { - if(file->flags&O_NDELAY) - { - remove_wait_queue(&capture_wait, &wait); - current->state = TASK_RUNNING; - return -EWOULDBLOCK; - } - if(signal_pending(current)) - { - remove_wait_queue(&capture_wait, &wait); - current->state = TASK_RUNNING; - return -ERESTARTSYS; - } - schedule(); - current->state = TASK_INTERRUPTIBLE; - } - remove_wait_queue(&capture_wait, &wait); - current->state = TASK_RUNNING; - - - - The first thing we have to do is to ensure that the application waits until - the next frame is ready. The code here is almost identical to the mouse code - we used earlier in this chapter. It is one of the common building blocks of - Linux device driver code and probably one which you will find occurs in any - drivers you write. - - - We wait for a frame to be ready, or for a signal to interrupt our waiting. If a - signal occurs we need to return from the system call so that the signal can - be sent to the application itself. We also check to see if the user actually - wanted to avoid waiting - ie if they are using non-blocking I/O and have other things - to get on with. - - - Next we copy the data from the card to the user application. This is rarely - as easy as our example makes out. We will add capture_w, and capture_h here - to hold the width and height of the captured image. We assume the card only - supports 24bit RGB for now. - - - - - - capture_ready = 0; - - ptr=(u8 *)buf; - len = capture_w * 3 * capture_h; /* 24bit RGB */ - - if(len>count) - len=count; /* Doesn't all fit */ - - for(i=0; i<len; i++) - { - put_user(inb(io+IMAGE_DATA), ptr); - ptr++; - } - - hardware_restart_capture(); - - return i; -} - - - - For a real hardware device you would try to avoid the loop with put_user(). - Each call to put_user() has a time overhead checking whether the accesses to user - space are allowed. It would be better to read a line into a temporary buffer - then copy this to user space in one go. - - - Having captured the image and put it into user space we can kick the card to - get the next frame acquired. - - - - Video Ioctl Handling - - As with the radio driver the major control interface is via the ioctl() - function. Video capture devices support the same tuner calls as a radio - device and also support additional calls to control how the video functions - are handled. In this simple example the card has no tuners to avoid making - the code complex. - - - - - -static int camera_ioctl(struct video_device *dev, unsigned int cmd, void *arg) -{ - switch(cmd) - { - case VIDIOCGCAP: - { - struct video_capability v; - v.type = VID_TYPE_CAPTURE|\ - VID_TYPE_CHROMAKEY|\ - VID_TYPE_SCALES|\ - VID_TYPE_OVERLAY; - v.channels = 1; - v.audios = 0; - v.maxwidth = 640; - v.minwidth = 16; - v.maxheight = 480; - v.minheight = 16; - strcpy(v.name, "My Camera"); - if(copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - - - - - The first ioctl we must support and which all video capture and radio - devices are required to support is VIDIOCGCAP. This behaves exactly the same - as with a radio device. This time, however, we report the extra capabilities - we outlined earlier on when defining our video_dev structure. - - - We now set the video flags saying that we support overlay, capture, - scaling and chromakey. We also report size limits - our smallest image is - 16x16 pixels, our largest is 640x480. - - - To keep things simple we report no audio and no tuning capabilities at all. - - - - case VIDIOCGCHAN: - { - struct video_channel v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.channel != 0) - return -EINVAL; - v.flags = 0; - v.tuners = 0; - v.type = VIDEO_TYPE_CAMERA; - v.norm = VIDEO_MODE_AUTO; - strcpy(v.name, "Camera Input");break; - if(copy_to_user(&v, arg, sizeof(v))) - return -EFAULT; - return 0; - } - - - - - This follows what is very much the standard way an ioctl handler looks - in Linux. We copy the data into a kernel space variable and we check that the - request is valid (in this case that the input is 0). Finally we copy the - camera info back to the user. - - - The VIDIOCGCHAN ioctl allows a user to ask about video channels (that is - inputs to the video card). Our example card has a single camera input. The - fields in the structure are - - struct video_channel fields - - - - - channelThe channel number we are selecting - - nameThe name for this channel. This is intended - to describe the port to the user. - Appropriate names are therefore things like - "Camera" "SCART input" - - flagsChannel properties - - typeInput type - - normThe current television encoding being used - if relevant for this channel. - - - - -
- struct video_channel flags - - - - VIDEO_VC_TUNERChannel has a tuner. - - VIDEO_VC_AUDIOChannel has audio. - - - -
- struct video_channel types - - - - VIDEO_TYPE_TVTelevision input. - - VIDEO_TYPE_CAMERAFixed camera input. - - 0Type is unknown. - - - -
- struct video_channel norms - - - - VIDEO_MODE_PALPAL encoded Television - - VIDEO_MODE_NTSCNTSC (US) encoded Television - - VIDEO_MODE_SECAMSECAM (French) Television - - VIDEO_MODE_AUTOAutomatic switching, or format does not - matter - - - -
- - The corresponding VIDIOCSCHAN ioctl allows a user to change channel and to - request the norm is changed - for example to switch between a PAL or an NTSC - format camera. - - - - - case VIDIOCSCHAN: - { - struct video_channel v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.channel != 0) - return -EINVAL; - if(v.norm != VIDEO_MODE_AUTO) - return -EINVAL; - return 0; - } - - - - - The implementation of this call in our driver is remarkably easy. Because we - are assuming fixed format hardware we need only check that the user has not - tried to change anything. - - - The user also needs to be able to configure and adjust the picture they are - seeing. This is much like adjusting a television set. A user application - also needs to know the palette being used so that it knows how to display - the image that has been captured. The VIDIOCGPICT and VIDIOCSPICT ioctl - calls provide this information. - - - - - case VIDIOCGPICT - { - struct video_picture v; - v.brightness = hardware_brightness(); - v.hue = hardware_hue(); - v.colour = hardware_saturation(); - v.contrast = hardware_brightness(); - /* Not settable */ - v.whiteness = 32768; - v.depth = 24; /* 24bit */ - v.palette = VIDEO_PALETTE_RGB24; - if(copy_to_user(&v, arg, - sizeof(v))) - return -EFAULT; - return 0; - } - - - - - The brightness, hue, color, and contrast provide the picture controls that - are akin to a conventional television. Whiteness provides additional - control for greyscale images. All of these values are scaled between 0-65535 - and have 32768 as the mid point setting. The scaling means that applications - do not have to worry about the capability range of the hardware but can let - it make a best effort attempt. - - - Our depth is 24, as this is in bits. We will be returning RGB24 format. This - has one byte of red, then one of green, then one of blue. This then repeats - for every other pixel in the image. The other common formats the interface - defines are - - Framebuffer Encodings - - - - GREYLinear greyscale. This is for simple cameras and the - like - - RGB565The top 5 bits hold 32 red levels, the next six bits - hold green and the low 5 bits hold blue. - - RGB555The top bit is clear. The red green and blue levels - each occupy five bits. - - - -
- - Additional modes are support for YUV capture formats. These are common for - TV and video conferencing applications. - - - The VIDIOCSPICT ioctl allows a user to set some of the picture parameters. - Exactly which ones are supported depends heavily on the card itself. It is - possible to support many modes and effects in software. In general doing - this in the kernel is a bad idea. Video capture is a performance-sensitive - application and the programs can often do better if they aren't being - 'helped' by an overkeen driver writer. Thus for our device we will report - RGB24 only and refuse to allow a change. - - - - - case VIDIOCSPICT: - { - struct video_picture v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.depth!=24 || - v.palette != VIDEO_PALETTE_RGB24) - return -EINVAL; - set_hardware_brightness(v.brightness); - set_hardware_hue(v.hue); - set_hardware_saturation(v.colour); - set_hardware_brightness(v.contrast); - return 0; - } - - - - - We check the user has not tried to change the palette or the depth. We do - not want to carry out some of the changes and then return an error. This may - confuse the application which will be assuming no change occurred. - - - In much the same way as you need to be able to set the picture controls to - get the right capture images, many cards need to know what they are - displaying onto when generating overlay output. In some cases getting this - wrong even makes a nasty mess or may crash the computer. For that reason - the VIDIOCSBUF ioctl used to set up the frame buffer information may well - only be usable by root. - - - We will assume our card is one of the old ISA devices with feature connector - and only supports a couple of standard video modes. Very common for older - cards although the PCI devices are way smarter than this. - - - - -static struct video_buffer capture_fb; - - case VIDIOCGFBUF: - { - if(copy_to_user(arg, &capture_fb, - sizeof(capture_fb))) - return -EFAULT; - return 0; - - } - - - - - We keep the frame buffer information in the format the ioctl uses. This - makes it nice and easy to work with in the ioctl calls. - - - - case VIDIOCSFBUF: - { - struct video_buffer v; - - if(!capable(CAP_SYS_ADMIN)) - return -EPERM; - - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.width!=320 && v.width!=640) - return -EINVAL; - if(v.height!=200 && v.height!=240 - && v.height!=400 - && v.height !=480) - return -EINVAL; - memcpy(&capture_fb, &v, sizeof(v)); - hardware_set_fb(&v); - return 0; - } - - - - - - The capable() function checks a user has the required capability. The Linux - operating system has a set of about 30 capabilities indicating privileged - access to services. The default set up gives the superuser (uid 0) all of - them and nobody else has any. - - - We check that the user has the SYS_ADMIN capability, that is they are - allowed to operate as the machine administrator. We don't want anyone but - the administrator making a mess of the display. - - - Next we check for standard PC video modes (320 or 640 wide with either - EGA or VGA depths). If the mode is not a standard video mode we reject it as - not supported by our card. If the mode is acceptable we save it so that - VIDIOCFBUF will give the right answer next time it is called. The - hardware_set_fb() function is some undescribed card specific function to - program the card for the desired mode. - - - Before the driver can display an overlay window it needs to know where the - window should be placed, and also how large it should be. If the card - supports clipping it needs to know which rectangles to omit from the - display. The video_window structure is used to describe the way the image - should be displayed. - - struct video_window fields - - - - widthThe width in pixels of the desired image. The card - may use a smaller size if this size is not available - - heightThe height of the image. The card may use a smaller - size if this size is not available. - - x The X position of the top left of the window. This - is in pixels relative to the left hand edge of the - picture. Not all cards can display images aligned on - any pixel boundary. If the position is unsuitable - the card adjusts the image right and reduces the - width. - - y The Y position of the top left of the window. This - is counted in pixels relative to the top edge of the - picture. As with the width if the card cannot - display starting on this line it will adjust the - values. - - chromakeyThe colour (expressed in RGB32 format) for the - chromakey colour if chroma keying is being used. - - clipsAn array of rectangles that must not be drawn - over. - - clipcountThe number of clips in this array. - - - -
- - Each clip is a struct video_clip which has the following fields - - video_clip fields - - - - x, yCo-ordinates relative to the display - - width, heightWidth and height in pixels - - nextA spare field for the application to use - - - -
- - The driver is required to ensure it always draws in the area requested or a smaller area, and that it never draws in any of the areas that are clipped. - This may well mean it has to leave alone. small areas the application wished to be - drawn. - - - Our example card uses chromakey so does not have to address most of the - clipping. We will add a video_window structure to our global variables to - remember our parameters, as we did with the frame buffer. - - - - - case VIDIOCGWIN: - { - if(copy_to_user(arg, &capture_win, - sizeof(capture_win))) - return -EFAULT; - return 0; - } - - - case VIDIOCSWIN: - { - struct video_window v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.width > 640 || v.height > 480) - return -EINVAL; - if(v.width < 16 || v.height < 16) - return -EINVAL; - hardware_set_key(v.chromakey); - hardware_set_window(v); - memcpy(&capture_win, &v, sizeof(v)); - capture_w = v.width; - capture_h = v.height; - return 0; - } - - - - - Because we are using Chromakey our setup is fairly simple. Mostly we have to - check the values are sane and load them into the capture card. - - - With all the setup done we can now turn on the actual capture/overlay. This - is done with the VIDIOCCAPTURE ioctl. This takes a single integer argument - where 0 is on and 1 is off. - - - - - case VIDIOCCAPTURE: - { - int v; - if(get_user(v, (int *)arg)) - return -EFAULT; - if(v==0) - hardware_capture_off(); - else - { - if(capture_fb.width == 0 - || capture_w == 0) - return -EINVAL; - hardware_capture_on(); - } - return 0; - } - - - - - We grab the flag from user space and either enable or disable according to - its value. There is one small corner case we have to consider here. Suppose - that the capture was requested before the video window or the frame buffer - had been set up. In those cases there will be unconfigured fields in our - card data, as well as unconfigured hardware settings. We check for this case and - return an error if the frame buffer or the capture window width is zero. - - - - - default: - return -ENOIOCTLCMD; - } -} - - - - We don't need to support any other ioctls, so if we get this far, it is time - to tell the video layer that we don't now what the user is talking about. - - - - Other Functionality - - The Video4Linux layer supports additional features, including a high - performance mmap() based capture mode and capturing part of the image. - These features are out of the scope of the book. You should however have enough - example code to implement most simple video4linux devices for radio and TV - cards. - - - - - Known Bugs And Assumptions - - - Multiple Opens - - - The driver assumes multiple opens should not be allowed. A driver - can work around this but not cleanly. - - - - API Deficiencies - - - The existing API poorly reflects compression capable devices. There - are plans afoot to merge V4L, V4L2 and some other ideas into a - better interface. - - - - - - - - - Public Functions Provided -!Edrivers/media/video/v4l2-dev.c - - - -- GitLab From dc02c5290c02c6f6a5fdcee89260ef35f9af3970 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 7 Oct 2008 12:15:32 +0200 Subject: [PATCH 5300/6244] Add kerneldoc documentation for new printk format extensions Add documentation in kerneldoc for new printk format extensions This patch documents the new %pS/%pF options in printk in kernel doc. Hope I didn't miss any other extension. Signed-off-by: Andi Kleen Signed-off-by: Jonathan Corbet --- kernel/printk.c | 2 ++ lib/vsprintf.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/kernel/printk.c b/kernel/printk.c index b51b1567bb55..cfa232432795 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -593,6 +593,8 @@ static int have_callable_console(void) * * See also: * printf(3) + * + * See the vsnprintf() documentation for format string extensions over C99. */ asmlinkage int printk(const char *fmt, ...) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index c399bc1093cb..4c6674a41ed9 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -565,6 +565,10 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr, int field * @fmt: The format string to use * @args: Arguments for the format string * + * This function follows C99 vsnprintf, but has some extensions: + * %pS output the name of a text symbol + * %pF output the name of a function pointer + * * The return value is the number of characters which would * be generated for the given input, excluding the trailing * '\0', as per ISO C99. If you want to have the exact @@ -806,6 +810,8 @@ EXPORT_SYMBOL(vsnprintf); * * Call this function if you are already dealing with a va_list. * You probably want scnprintf() instead. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) { @@ -828,6 +834,8 @@ EXPORT_SYMBOL(vscnprintf); * generated for the given input, excluding the trailing null, * as per ISO C99. If the return is greater than or equal to * @size, the resulting string is truncated. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int snprintf(char * buf, size_t size, const char *fmt, ...) { @@ -877,6 +885,8 @@ EXPORT_SYMBOL(scnprintf); * * Call this function if you are already dealing with a va_list. * You probably want sprintf() instead. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int vsprintf(char *buf, const char *fmt, va_list args) { @@ -894,6 +904,8 @@ EXPORT_SYMBOL(vsprintf); * The function returns the number of characters written * into @buf. Use snprintf() or scnprintf() in order to avoid * buffer overflows. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int sprintf(char * buf, const char *fmt, ...) { -- GitLab From 12caa1b6fc3a9772535227c723c11878b5ca618e Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 7 Oct 2008 12:17:28 +0200 Subject: [PATCH 5301/6244] Add a reference to paper to SubmittingPatches Add a reference to paper to SubmittingPatches For this year's OLS I wrote a paper on successfull strategies to submit difficult kernel patches. Add a reference to it to SubmittingPatches. Signed-off-by: Andi Kleen Signed-off-by: Jonathan Corbet --- Documentation/SubmittingPatches | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 0d601cba9690..98aa8b187395 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -672,4 +672,9 @@ Kernel Documentation/CodingStyle: Linus Torvalds's mail on the canonical patch format: + +Andi Kleen, "On submitting kernel patches" + Some strategies to get difficult or controversal changes in. + http://halobates.de/on-submitting-patches.pdf + -- -- GitLab From 1648993fb05c487947c1cec6307aca29d8002abe Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:01:03 -0700 Subject: [PATCH 5302/6244] introduce generic header file for the software IO/TLB A series of patches introduce a generic header file for the software IO/TLB implementation in lib/swiotlb.c. Currently each architecture using this code defines the prototypes itself. The prototypes are moved to include/linux/swiotlb.h and this file is included in architecture specific code for X86 and IA64. This patch: Create include/linux/swiotlb.h file which contains all function prototypes for the lib/swiotlb.c file. (akpm: the dependent patches will be trickled through arch trees) Signed-off-by: Joerg Roedel Cc: Ingo Molnar Cc: Thomas Gleixner Cc: "Luck, Tony" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/swiotlb.h | 83 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 include/linux/swiotlb.h diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h new file mode 100644 index 000000000000..b18ec5533e8c --- /dev/null +++ b/include/linux/swiotlb.h @@ -0,0 +1,83 @@ +#ifndef __LINUX_SWIOTLB_H +#define __LINUX_SWIOTLB_H + +#include + +struct device; +struct dma_attrs; +struct scatterlist; + +extern void +swiotlb_init(void); + +extern void +*swiotlb_alloc_coherent(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags); + +extern void +swiotlb_free_coherent(struct device *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +extern dma_addr_t +swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir); + +extern void +swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern dma_addr_t +swiotlb_map_single_attrs(struct device *hwdev, void *ptr, size_t size, + int dir, struct dma_attrs *attrs); + +extern void +swiotlb_unmap_single_attrs(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir, struct dma_attrs *attrs); + +extern int +swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, + int direction); + +extern void +swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, + int direction); + +extern int +swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, + int dir, struct dma_attrs *attrs); + +extern void +swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, + int nelems, int dir, struct dma_attrs *attrs); + +extern void +swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern void +swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, + int nelems, int dir); + +extern void +swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern void +swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, + int nelems, int dir); + +extern void +swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr, + unsigned long offset, size_t size, int dir); + +extern void +swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr, + unsigned long offset, size_t size, + int dir); + +extern int +swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); + +extern int +swiotlb_dma_supported(struct device *hwdev, u64 mask); + +#endif /* __LINUX_SWIOTLB_H */ -- GitLab From 9363b9f23c9cc36cc8ef6c05fdf879ee4a96ae92 Mon Sep 17 00:00:00 2001 From: Balbir Singh Date: Wed, 15 Oct 2008 22:01:05 -0700 Subject: [PATCH 5303/6244] memrlimit: cgroup mm owner callback changes to add task info This patch adds an additional field to the mm_owner callbacks. This field is required to get to the mm that changed. Hold mmap_sem in write mode before calling the mm_owner_changed callback [hugh@veritas.com: fix mmap_sem deadlock] Signed-off-by: Balbir Singh Cc: Sudhir Kumar Cc: YAMAMOTO Takashi Cc: Paul Menage Cc: Li Zefan Cc: Pavel Emelianov Cc: Balbir Singh Cc: KAMEZAWA Hiroyuki Cc: David Rientjes Cc: Vivek Goyal Signed-off-by: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/cgroup.h | 3 ++- kernel/cgroup.c | 4 +++- kernel/exit.c | 9 ++++----- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index c98dd7cb7076..30934e4bfaab 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -326,7 +326,8 @@ struct cgroup_subsys { */ void (*mm_owner_changed)(struct cgroup_subsys *ss, struct cgroup *old, - struct cgroup *new); + struct cgroup *new, + struct task_struct *p); int subsys_id; int active; int disabled; diff --git a/kernel/cgroup.c b/kernel/cgroup.c index a0123d75ec9a..8c6e1c17e6d3 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2735,6 +2735,8 @@ void cgroup_fork_callbacks(struct task_struct *child) * Called on every change to mm->owner. mm_init_owner() does not * invoke this routine, since it assigns the mm->owner the first time * and does not change it. + * + * The callbacks are invoked with mmap_sem held in read mode. */ void cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new) { @@ -2750,7 +2752,7 @@ void cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new) if (oldcgrp == newcgrp) continue; if (ss->mm_owner_changed) - ss->mm_owner_changed(ss, oldcgrp, newcgrp); + ss->mm_owner_changed(ss, oldcgrp, newcgrp, new); } } } diff --git a/kernel/exit.c b/kernel/exit.c index 85a83c831856..0ef4673e351b 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -640,24 +640,23 @@ retry: assign_new_owner: BUG_ON(c == p); get_task_struct(c); + read_unlock(&tasklist_lock); + down_write(&mm->mmap_sem); /* * The task_lock protects c->mm from changing. * We always want mm->owner->mm == mm */ task_lock(c); - /* - * Delay read_unlock() till we have the task_lock() - * to ensure that c does not slip away underneath us - */ - read_unlock(&tasklist_lock); if (c->mm != mm) { task_unlock(c); + up_write(&mm->mmap_sem); put_task_struct(c); goto retry; } cgroup_mm_owner_callbacks(mm->owner, c); mm->owner = c; task_unlock(c); + up_write(&mm->mmap_sem); put_task_struct(c); } #endif /* CONFIG_MM_OWNER */ -- GitLab From db99100d2ed40dd9736fcb1adb3657a98f9bcfd9 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 15 Oct 2008 22:01:07 -0700 Subject: [PATCH 5304/6244] mm/page_alloc.c:free_area_init_nodes() fix inappropriate use of enum Local variable `i' is a) misleadingly-named for an `enum zone_type' and b) used for indexing zones as well as nodes as well as node_maps. Make it an `int'. Reported-by: Frans Pop Cc: Mel Gorman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 27b8681139fd..9eb9eb928285 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3952,7 +3952,7 @@ static void check_for_regular_memory(pg_data_t *pgdat) void __init free_area_init_nodes(unsigned long *max_zone_pfn) { unsigned long nid; - enum zone_type i; + int i; /* Sort early_node_map as initialisation assumes it is sorted */ sort_node_map(); -- GitLab From b4d1d99fdd8b98fb03dfd6ef9b0ece220de38640 Mon Sep 17 00:00:00 2001 From: David Gibson Date: Wed, 15 Oct 2008 22:01:11 -0700 Subject: [PATCH 5305/6244] hugetlb: handle updating of ACCESSED and DIRTY in hugetlb_fault() The page fault path for normal pages, if the fault is neither a no-page fault nor a write-protect fault, will update the DIRTY and ACCESSED bits in the page table appropriately. The hugepage fault path, however, does not do this, handling only no-page or write-protect type faults. It assumes that either the ACCESSED and DIRTY bits are irrelevant for hugepages (usually true, since they are never swapped) or that they are handled by the arch code. This is inconvenient for some software-loaded TLB architectures, where the _PAGE_ACCESSED (_PAGE_DIRTY) bits need to be set to enable read (write) access to the page at the TLB miss. This could be worked around in the arch TLB miss code, but the TLB miss fast path can be made simple more easily if the hugetlb_fault() path handles this, as the normal page fault path does. Signed-off-by: David Gibson Cc: William Lee Irwin III Cc: Hugh Dickins Cc: Adam Litke Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/hugetlb.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 67a71191136e..38633864a93e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2008,7 +2008,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, entry = huge_ptep_get(ptep); if (huge_pte_none(entry)) { ret = hugetlb_no_page(mm, vma, address, ptep, write_access); - goto out_unlock; + goto out_mutex; } ret = 0; @@ -2024,7 +2024,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (write_access && !pte_write(entry)) { if (vma_needs_reservation(h, vma, address) < 0) { ret = VM_FAULT_OOM; - goto out_unlock; + goto out_mutex; } if (!(vma->vm_flags & VM_SHARED)) @@ -2034,10 +2034,23 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, spin_lock(&mm->page_table_lock); /* Check for a racing update before calling hugetlb_cow */ - if (likely(pte_same(entry, huge_ptep_get(ptep)))) - if (write_access && !pte_write(entry)) + if (unlikely(!pte_same(entry, huge_ptep_get(ptep)))) + goto out_page_table_lock; + + + if (write_access) { + if (!pte_write(entry)) { ret = hugetlb_cow(mm, vma, address, ptep, entry, pagecache_page); + goto out_page_table_lock; + } + entry = pte_mkdirty(entry); + } + entry = pte_mkyoung(entry); + if (huge_ptep_set_access_flags(vma, address, ptep, entry, write_access)) + update_mmu_cache(vma, address, entry); + +out_page_table_lock: spin_unlock(&mm->page_table_lock); if (pagecache_page) { @@ -2045,7 +2058,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, put_page(pagecache_page); } -out_unlock: +out_mutex: mutex_unlock(&hugetlb_instantiation_mutex); return ret; -- GitLab From 0c6aa2639ea83bfb7f91d72118bad70b3f60012a Mon Sep 17 00:00:00 2001 From: Krishna Kumar Date: Wed, 15 Oct 2008 22:01:13 -0700 Subject: [PATCH 5306/6244] mm: do_generic_file_read() never gets a NULL 'filp' argument The 'filp' argument to do_generic_file_read() is never NULL. Signed-off-by: Krishna Kumar Reviewed-by: KOSAKI Motohiro Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/filemap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 876bc595d0f8..bf8f9c0c7a83 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1186,8 +1186,7 @@ out: ra->prev_pos |= prev_offset; *ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset; - if (filp) - file_accessed(filp); + file_accessed(filp); } int file_read_actor(read_descriptor_t *desc, struct page *page, -- GitLab From f4cfb18d7917ecb397b3497e931a2a23175709b7 Mon Sep 17 00:00:00 2001 From: "Volodymyr G. Lukiianyk" Date: Wed, 15 Oct 2008 22:01:15 -0700 Subject: [PATCH 5307/6244] uclinux: fix gzip header parsing in binfmt_flat.c There are off-by-one errors in decompress_exec() when calculating the length of optional "original file name" and "comment" fields: the "ret" index is not incremented when terminating '\0' character is reached. The check of the buffer overflow (after an "extra-field" length was taken into account) is also fixed. I've encountered this off-by-one error when tried to reuse gzip-header-parsing part of the decompress_exec() function. There was an "original file name" field in the payload (with miscalculated length) and zlib_inflate() returned Z_DATA_ERROR. But after the fix similar to this one all worked fine. Signed-off-by: Volodymyr G Lukiianyk Acked-by: Greg Ungerer Acked-by: David Howells Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/binfmt_flat.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index dfc0197905ca..ccb781a6a804 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -229,13 +229,13 @@ static int decompress_exec( ret = 10; if (buf[3] & EXTRA_FIELD) { ret += 2 + buf[10] + (buf[11] << 8); - if (unlikely(LBUFSIZE == ret)) { + if (unlikely(LBUFSIZE <= ret)) { DBG_FLT("binfmt_flat: buffer overflow (EXTRA)?\n"); goto out_free_buf; } } if (buf[3] & ORIG_NAME) { - for (; ret < LBUFSIZE && (buf[ret] != 0); ret++) + while (ret < LBUFSIZE && buf[ret++] != 0) ; if (unlikely(LBUFSIZE == ret)) { DBG_FLT("binfmt_flat: buffer overflow (ORIG_NAME)?\n"); @@ -243,7 +243,7 @@ static int decompress_exec( } } if (buf[3] & COMMENT) { - for (; ret < LBUFSIZE && (buf[ret] != 0); ret++) + while (ret < LBUFSIZE && buf[ret++] != 0) ; if (unlikely(LBUFSIZE == ret)) { DBG_FLT("binfmt_flat: buffer overflow (COMMENT)?\n"); -- GitLab From 4b6aba51fb64071e22dad7b971c73af61916a48b Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 15 Oct 2008 22:01:16 -0700 Subject: [PATCH 5308/6244] h8300: update timer handler - delete files Delete old timer handler. Signed-off-by: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- .../h8300/platform/h8300h/aki3068net/Makefile | 1 - arch/h8300/platform/h8300h/aki3068net/timer.c | 51 ---------- arch/h8300/platform/h8300h/generic/Makefile | 1 - arch/h8300/platform/h8300h/generic/timer.c | 95 ------------------- arch/h8300/platform/h8300h/h8max/Makefile | 1 - arch/h8300/platform/h8300h/h8max/timer.c | 52 ---------- arch/h8300/platform/h8s/edosk2674/Makefile | 1 - arch/h8300/platform/h8s/edosk2674/timer.c | 54 ----------- arch/h8300/platform/h8s/generic/Makefile | 1 - arch/h8300/platform/h8s/generic/timer.c | 53 ----------- 10 files changed, 310 deletions(-) delete mode 100644 arch/h8300/platform/h8300h/aki3068net/timer.c delete mode 100644 arch/h8300/platform/h8300h/generic/timer.c delete mode 100644 arch/h8300/platform/h8300h/h8max/timer.c delete mode 100644 arch/h8300/platform/h8s/edosk2674/timer.c delete mode 100644 arch/h8300/platform/h8s/generic/timer.c diff --git a/arch/h8300/platform/h8300h/aki3068net/Makefile b/arch/h8300/platform/h8300h/aki3068net/Makefile index b03c328f8c70..b7ff78050b7f 100644 --- a/arch/h8300/platform/h8300h/aki3068net/Makefile +++ b/arch/h8300/platform/h8300h/aki3068net/Makefile @@ -3,4 +3,3 @@ # extra-y := crt0_ram.o -obj-y := timer.o diff --git a/arch/h8300/platform/h8300h/aki3068net/timer.c b/arch/h8300/platform/h8300h/aki3068net/timer.c deleted file mode 100644 index 27cd85d56128..000000000000 --- a/arch/h8300/platform/h8300h/aki3068net/timer.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/aki3068net/timer.c - * - * Yoshinori Sato - * - * Platform depend Timer Handler - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define CMFA 6 - -#define CMIEA 0x40 -#define CCLR_CMA 0x08 -#define CLK_DIV8192 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8192 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - /* setup 8bit timer ch2 */ - ctrl_outb(H8300_TIMER_FREQ / HZ, TCORA2); /* set interval */ - ctrl_outb(0x00, _8TCSR2); /* no output */ - request_irq(40, timer_int, 0, "timer", 0); - ctrl_outb(CMIEA|CCLR_CMA|CLK_DIV8192, _8TCR2); /* start count */ -} - -void platform_timer_eoi(void) -{ - *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA); -} - -void platform_gettod(int *year, int *mon, int *day, int *hour, - int *min, int *sec) -{ - *year = *mon = *day = *hour = *min = *sec = 0; -} diff --git a/arch/h8300/platform/h8300h/generic/Makefile b/arch/h8300/platform/h8300h/generic/Makefile index 32b964a9010e..2b12a170209e 100644 --- a/arch/h8300/platform/h8300h/generic/Makefile +++ b/arch/h8300/platform/h8300h/generic/Makefile @@ -3,4 +3,3 @@ # extra-y := crt0_$(MODEL).o -obj-y := timer.o diff --git a/arch/h8300/platform/h8300h/generic/timer.c b/arch/h8300/platform/h8300h/generic/timer.c deleted file mode 100644 index 6f5cefe0cceb..000000000000 --- a/arch/h8300/platform/h8300h/generic/timer.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/generic/timer.c - * - * Yoshinori Sato - * - * Platform depend Timer Handler - * - */ - -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include - -#if defined(CONFIG_H83007) || defined(CONFIG_H83068) -#include -#define CMFA 6 - -#define CMIEA 0x40 -#define CCLR_CMA 0x08 -#define CLK_DIV8192 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8192 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - /* setup 8bit timer ch2 */ - ctrl_outb(H8300_TIMER_FREQ / HZ, TCORA2); /* set interval */ - ctrl_outb(0x00, _8TCSR2); /* no output */ - request_irq(40, timer_int, 0, "timer", 0); - ctrl_outb(CMIEA|CCLR_CMA|CLK_DIV8192, _8TCR2); /* start count */ -} - -void platform_timer_eoi(void) -{ - *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA); -} -#endif - -#if defined(CONFIG_H83002) || defined(CONFIG_H83048) -/* FIXME! */ -#define TSTR 0x00ffff60 -#define TSNC 0x00ffff61 -#define TMDR 0x00ffff62 -#define TFCR 0x00ffff63 -#define TOER 0x00ffff90 -#define TOCR 0x00ffff91 -/* ITU0 */ -#define TCR 0x00ffff64 -#define TIOR 0x00ffff65 -#define TIER 0x00ffff66 -#define TSR 0x00ffff67 -#define TCNT 0x00ffff68 -#define GRA 0x00ffff6a -#define GRB 0x00ffff6c - -#define CCLR_CMGRA 0x20 -#define CLK_DIV8 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - *(unsigned short *)GRA= H8300_TIMER_FREQ / HZ; /* set interval */ - *(unsigned short *)TCNT=0; /* clear counter */ - ctrl_outb(0x80|CCLR_CMGRA|CLK_DIV8, TCR); /* set ITU0 clock */ - ctrl_outb(0x88, TIOR); /* no output */ - request_irq(26, timer_int, 0, "timer", 0); - ctrl_outb(0xf9, TIER); /* compare match GRA interrupt */ - ctrl_outb(ctrl_inb(TSNC) & ~0x01, TSNC); /* ITU0 async */ - ctrl_outb(ctrl_inb(TMDR) & ~0x01, TMDR); /* ITU0 normal mode */ - ctrl_outb(ctrl_inb(TSTR) | 0x01, TSTR); /* ITU0 Start */ - return 0; -} - -void platform_timer_eoi(void) -{ - ctrl_outb(ctrl_inb(TSR) & ~0x01,TSR); -} -#endif - -void platform_gettod(int *year, int *mon, int *day, int *hour, - int *min, int *sec) -{ - *year = *mon = *day = *hour = *min = *sec = 0; -} diff --git a/arch/h8300/platform/h8300h/h8max/Makefile b/arch/h8300/platform/h8300h/h8max/Makefile index b03c328f8c70..b7ff78050b7f 100644 --- a/arch/h8300/platform/h8300h/h8max/Makefile +++ b/arch/h8300/platform/h8300h/h8max/Makefile @@ -3,4 +3,3 @@ # extra-y := crt0_ram.o -obj-y := timer.o diff --git a/arch/h8300/platform/h8300h/h8max/timer.c b/arch/h8300/platform/h8300h/h8max/timer.c deleted file mode 100644 index 85a574afe9d0..000000000000 --- a/arch/h8300/platform/h8300h/h8max/timer.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * linux/arch/h8300/platform/h8300h/h8max/timer.c - * - * Yoshinori Sato - * - * Platform depend Timer Handler - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define CMFA 6 - -#define CMIEA 0x40 -#define CCLR_CMA 0x08 -#define CLK_DIV8192 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8192 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - /* setup 8bit timer ch2 */ - ctrl_outb(H8300_TIMER_FREQ / HZ, TCORA2); /* set interval */ - ctrl_outb(0x00, _8TCSR2); /* no output */ - request_irq(40, timer_int, 0, "timer", 0); - ctrl_outb(CMIEA|CCLR_CMA|CLK_DIV8192, _8TCR2); /* start count */ -} - -void platform_timer_eoi(void) -{ - *(volatile unsigned char *)_8TCSR2 &= ~(1 << CMFA); -} - -void platform_gettod(int *year, int *mon, int *day, int *hour, - int *min, int *sec) -{ - *year = *mon = *day = *hour = *min = *sec = 0; -} - diff --git a/arch/h8300/platform/h8s/edosk2674/Makefile b/arch/h8300/platform/h8s/edosk2674/Makefile index f763654ac6fe..8e349723bb4f 100644 --- a/arch/h8300/platform/h8s/edosk2674/Makefile +++ b/arch/h8300/platform/h8s/edosk2674/Makefile @@ -3,4 +3,3 @@ # extra-y := crt0_$(MODEL).o -obj-y := timer.o diff --git a/arch/h8300/platform/h8s/edosk2674/timer.c b/arch/h8300/platform/h8s/edosk2674/timer.c deleted file mode 100644 index bfb1424482f4..000000000000 --- a/arch/h8300/platform/h8s/edosk2674/timer.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/edosk2674/timer.c - * - * Yoshinori Sato - * - * Platform depend Timer Handler - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define CMFA 6 - -#define CMIEA 0x40 -#define CCLR_CMA 0x08 -#define CLK_DIV8192 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8192 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - /* 8bit timer module enabled */ - ctrl_outb(ctrl_inb(MSTPCRL) & ~0x01, MSTPCRL); - /* setup 8bit timer ch1 */ - ctrl_outb(H8300_TIMER_FREQ / HZ, _8TCORA1); /* set interval */ - ctrl_outb(0x00, _8TCSR1); /* no output */ - request_irq(76, timer_int, 0, "timer" ,0); - ctrl_outb(CMIEA|CCLR_CMA|CLK_DIV8192, _8TCR1); /* start count */ -} - -void platform_timer_eoi(void) -{ - *(volatile unsigned char *)_8TCSR1 &= ~(1 << CMFA); -} - -void platform_gettod(int *year, int *mon, int *day, int *hour, - int *min, int *sec) -{ -/* FIXME! not RTC support */ - *year = *mon = *day = *hour = *min = *sec = 0; -} diff --git a/arch/h8300/platform/h8s/generic/Makefile b/arch/h8300/platform/h8s/generic/Makefile index 055d53a9811b..44b4685c664c 100644 --- a/arch/h8300/platform/h8s/generic/Makefile +++ b/arch/h8300/platform/h8s/generic/Makefile @@ -3,4 +3,3 @@ # extra-y = crt0_$(MODEL).o -obj-y := timer.o diff --git a/arch/h8300/platform/h8s/generic/timer.c b/arch/h8300/platform/h8s/generic/timer.c deleted file mode 100644 index c2211c6e79da..000000000000 --- a/arch/h8300/platform/h8s/generic/timer.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * linux/arch/h8300/platform/h8s/generic/timer.c - * - * Yoshinori Sato - * - * Platform depend Timer Handler - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#define CMFA 6 - -#define CMIEA 0x40 -#define CCLR_CMA 0x08 -#define CLK_DIV8192 0x03 - -#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*1000/8192 /* Timer input freq. */ - -void __init platform_timer_setup(irqreturn_t (*timer_int)(int, void *, struct pt_regs *)) -{ - /* 8bit timer module enabled */ - ctrl_outb(ctrl_inb(MSTPCRL) & ~0x01, MSTPCRL); - /* setup 8bit timer ch1 */ - ctrl_outb(H8300_TIMER_FREQ / HZ, _8TCORA1); /* set interval */ - ctrl_outb(0x00, _8TCSR1); /* no output */ - request_irq(76, timer_int, 0, "timer" ,0); - ctrl_outb(CMIEA|CCLR_CMA|CLK_DIV8192, _8TCR1); /* start count */ -} - -void platform_timer_eoi(void) -{ - *(volatile unsigned char *)_8TCSR1 &= ~(1 << CMFA); -} - -void platform_gettod(int *year, int *mon, int *day, int *hour, - int *min, int *sec) -{ - *year = *mon = *day = *hour = *min = *sec = 0; -} -- GitLab From e0b0f9e4ead2468f84c26332ec42b118e76af572 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 15 Oct 2008 22:01:16 -0700 Subject: [PATCH 5309/6244] h8300: update timer handler - new files New timer handler files. Signed-off-by: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/h8300/kernel/timer/Makefile | 6 ++ arch/h8300/kernel/timer/itu.c | 83 ++++++++++++++++++++++++ arch/h8300/kernel/timer/timer16.c | 78 ++++++++++++++++++++++ arch/h8300/kernel/timer/timer8.c | 103 ++++++++++++++++++++++++++++++ arch/h8300/kernel/timer/tpu.c | 102 +++++++++++++++++++++++++++++ include/asm-h8300/timer.h | 25 ++++++++ 6 files changed, 397 insertions(+) create mode 100644 arch/h8300/kernel/timer/Makefile create mode 100644 arch/h8300/kernel/timer/itu.c create mode 100644 arch/h8300/kernel/timer/timer16.c create mode 100644 arch/h8300/kernel/timer/timer8.c create mode 100644 arch/h8300/kernel/timer/tpu.c create mode 100644 include/asm-h8300/timer.h diff --git a/arch/h8300/kernel/timer/Makefile b/arch/h8300/kernel/timer/Makefile new file mode 100644 index 000000000000..bef0510ea6ad --- /dev/null +++ b/arch/h8300/kernel/timer/Makefile @@ -0,0 +1,6 @@ +# h8300 internal timer handler + +obj-$(CONFIG_H8300_TIMER8) := timer8.o +obj-$(CONFIG_H8300_TIMER16) := timer16.o +obj-$(CONFIG_H8300_ITU) := itu.o +obj-$(CONFIG_H8300_TPU) := tpu.o diff --git a/arch/h8300/kernel/timer/itu.c b/arch/h8300/kernel/timer/itu.c new file mode 100644 index 000000000000..d1c926596b08 --- /dev/null +++ b/arch/h8300/kernel/timer/itu.c @@ -0,0 +1,83 @@ +/* + * linux/arch/h8300/kernel/timer/itu.c + * + * Yoshinori Sato + * + * ITU Timer Handler + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#if CONFIG_H8300_ITU_CH == 0 +#define ITUBASE 0xffff64 +#define ITUIRQ 24 +#elif CONFIG_H8300_ITU_CH == 1 +#define ITUBASE 0xffff6e +#define ITUIRQ 28 +#elif CONFIG_H8300_ITU_CH == 2 +#define ITUBASE 0xffff78 +#define ITUIRQ 32 +#elif CONFIG_H8300_ITU_CH == 3 +#define ITUBASE 0xffff82 +#define ITUIRQ 36 +#elif CONFIG_H8300_ITU_CH == 4 +#define ITUBASE 0xffff92 +#define ITUIRQ 40 +#else +#error Unknown timer channel. +#endif + +#define TCR 0 +#define TIOR 1 +#define TIER 2 +#define TSR 3 +#define TCNT 4 +#define GRA 6 +#define GRB 8 + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + h8300_timer_tick(); + ctrl_bclr(IMFA, ITUBASE + TSR); + return IRQ_HANDLED; +} + +static struct irqaction itu_irq = { + .name = "itu", + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_TIMER, + .mask = CPU_MASK_NONE, +}; + +static const int __initdata divide_rate[] = {1, 2, 4, 8}; + +void __init h8300_timer_setup(void) +{ + unsigned int div; + unsigned int cnt; + + calc_param(cnt, div, divide_rate, 0x10000); + + setup_irq(ITUIRQ, &itu_irq); + + /* initalize timer */ + ctrl_outb(0, TSTR); + ctrl_outb(CCLR0 | div, ITUBASE + TCR); + ctrl_outb(0x01, ITUBASE + TIER); + ctrl_outw(cnt, ITUBASE + GRA); + ctrl_bset(CONFIG_H8300_ITU_CH, TSTR); +} diff --git a/arch/h8300/kernel/timer/timer16.c b/arch/h8300/kernel/timer/timer16.c new file mode 100644 index 000000000000..e14271b72119 --- /dev/null +++ b/arch/h8300/kernel/timer/timer16.c @@ -0,0 +1,78 @@ +/* + * linux/arch/h8300/kernel/timer/timer16.c + * + * Yoshinori Sato + * + * 16bit Timer Handler + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +/* 16bit timer */ +#if CONFIG_H8300_TIMER16_CH == 0 +#define _16BASE 0xffff78 +#define _16IRQ 24 +#elif CONFIG_H8300_TIMER16_CH == 1 +#define _16BASE 0xffff80 +#define _16IRQ 28 +#elif CONFIG_H8300_TIMER16_CH == 2 +#define _16BASE 0xffff88 +#define _16IRQ 32 +#else +#error Unknown timer channel. +#endif + +#define TCR 0 +#define TIOR 1 +#define TCNT 2 +#define GRA 4 +#define GRB 6 + +#define H8300_TIMER_FREQ CONFIG_CPU_CLOCK*10000 /* Timer input freq. */ + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + h8300_timer_tick(); + ctrl_bclr(CONFIG_H8300_TIMER16_CH, TISRA); + return IRQ_HANDLED; +} + +static struct irqaction timer16_irq = { + .name = "timer-16", + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_TIMER, + .mask = CPU_MASK_NONE, +}; + +static const int __initdata divide_rate[] = {1, 2, 4, 8}; + +void __init h8300_timer_setup(void) +{ + unsigned int div; + unsigned int cnt; + + calc_param(cnt, div, divide_rate, 0x10000); + + setup_irq(_16IRQ, &timer16_irq); + + /* initalize timer */ + ctrl_outb(0, TSTR); + ctrl_outb(CCLR0 | div, _16BASE + TCR); + ctrl_outw(cnt, _16BASE + GRA); + ctrl_bset(4 + CONFIG_H8300_TIMER16_CH, TISRA); + ctrl_bset(CONFIG_H8300_TIMER16_CH, TSTR); +} diff --git a/arch/h8300/kernel/timer/timer8.c b/arch/h8300/kernel/timer/timer8.c new file mode 100644 index 000000000000..0556d7c7bea6 --- /dev/null +++ b/arch/h8300/kernel/timer/timer8.c @@ -0,0 +1,103 @@ +/* + * linux/arch/h8300/kernel/cpu/timer/timer8.c + * + * Yoshinori Sato + * + * 8bit Timer Handler + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#if defined(CONFIG_CPU_H8300H) +#include +#endif +#if defined(CONFIG_CPU_H8S) +#include +#endif + +/* 8bit timer x2 */ +#define CMFA 6 + +#if defined(CONFIG_H8300_TIMER8_CH0) +#define _8BASE _8TCR0 +#ifdef CONFIG_CPU_H8300H +#define _8IRQ 36 +#endif +#ifdef CONFIG_CPU_H8S +#define _8IRQ 72 +#endif +#elif defined(CONFIG_H8300_TIMER8_CH2) +#ifdef CONFIG_CPU_H8300H +#define _8BASE _8TCR2 +#define _8IRQ 40 +#endif +#endif + +#ifndef _8BASE +#error Unknown timer channel. +#endif + +#define _8TCR 0 +#define _8TCSR 2 +#define TCORA 4 +#define TCORB 6 +#define _8TCNT 8 + +#define CMIEA 0x40 +#define CCLR_CMA 0x08 +#define CKS2 0x04 + +/* + * timer_interrupt() needs to keep up the real-time clock, + * as well as call the "do_timer()" routine every clocktick + */ + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + h8300_timer_tick(); + ctrl_bclr(CMFA, _8BASE + _8TCSR); + return IRQ_HANDLED; +} + +static struct irqaction timer8_irq = { + .name = "timer-8", + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_TIMER, + .mask = CPU_MASK_NONE, +}; + +static const int __initdata divide_rate[] = {8, 64, 8192}; + +void __init h8300_timer_setup(void) +{ + unsigned int div; + unsigned int cnt; + + calc_param(cnt, div, divide_rate, 0x10000); + div++; + + setup_irq(_8IRQ, &timer8_irq); + +#if defined(CONFIG_CPU_H8S) + /* Timer module enable */ + ctrl_bclr(0, MSTPCRL) +#endif + + /* initalize timer */ + ctrl_outw(cnt, _8BASE + TCORA); + ctrl_outw(0x0000, _8BASE + _8TCSR); + ctrl_outw((CMIEA|CCLR_CMA|CKS2) << 8 | div, + _8BASE + _8TCR); +} diff --git a/arch/h8300/kernel/timer/tpu.c b/arch/h8300/kernel/timer/tpu.c new file mode 100644 index 000000000000..df7f453a9673 --- /dev/null +++ b/arch/h8300/kernel/timer/tpu.c @@ -0,0 +1,102 @@ +/* + * linux/arch/h8300/kernel/timer/tpu.c + * + * Yoshinori Sato + * + * TPU Timer Handler + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +/* TPU */ +#if CONFIG_H8300_TPU_CH == 0 +#define TPUBASE 0xffffd0 +#define TPUIRQ 40 +#elif CONFIG_H8300_TPU_CH == 1 +#define TPUBASE 0xffffe0 +#define TPUIRQ 48 +#elif CONFIG_H8300_TPU_CH == 2 +#define TPUBASE 0xfffff0 +#define TPUIRQ 52 +#elif CONFIG_H8300_TPU_CH == 3 +#define TPUBASE 0xfffe80 +#define TPUIRQ 56 +#elif CONFIG_H8300_TPU_CH == 4 +#define TPUBASE 0xfffe90 +#define TPUIRQ 64 +#else +#error Unknown timer channel. +#endif + +#define _TCR 0 +#define _TMDR 1 +#define _TIOR 2 +#define _TIER 4 +#define _TSR 5 +#define _TCNT 6 +#define _GRA 8 +#define _GRB 10 + +#define CCLR0 0x20 + +static irqreturn_t timer_interrupt(int irq, void *dev_id) +{ + h8300_timer_tick(); + ctrl_bclr(0, TPUBASE + _TSR); + return IRQ_HANDLED; +} + +static struct irqaction tpu_irq = { + .name = "tpu", + .handler = timer_interrupt, + .flags = IRQF_DISABLED | IRQF_TIMER, + .mask = CPU_MASK_NONE, +}; + +const static int __initdata divide_rate[] = { +#if CONFIG_H8300_TPU_CH == 0 + 1,4,16,64,0,0,0,0, +#elif (CONFIG_H8300_TPU_CH == 1) || (CONFIG_H8300_TPU_CH == 5) + 1,4,16,64,0,0,256,0, +#elif (CONFIG_H8300_TPU_CH == 2) || (CONFIG_H8300_TPU_CH == 4) + 1,4,16,64,0,0,0,1024, +#elif CONFIG_H8300_TPU_CH == 3 + 1,4,16,64,0,1024,256,4096, +#endif +}; + +void __init h8300_timer_setup(void) +{ + unsigned int cnt; + unsigned int div; + + calc_param(cnt, div, divide_rate, 0x10000); + + setup_irq(TPUIRQ, &tpu_irq); + + /* TPU module enabled */ + ctrl_bclr(3, MSTPCRH); + + ctrl_outb(0, TSTR); + ctrl_outb(CCLR0 | div, TPUBASE + _TCR); + ctrl_outb(0, TPUBASE + _TMDR); + ctrl_outw(0, TPUBASE + _TIOR); + ctrl_outb(0x01, TPUBASE + _TIER); + ctrl_outw(cnt, TPUBASE + _GRA); + ctrl_bset(CONFIG_H8300_TPU_CH, TSTR); +} diff --git a/include/asm-h8300/timer.h b/include/asm-h8300/timer.h new file mode 100644 index 000000000000..def80464d38f --- /dev/null +++ b/include/asm-h8300/timer.h @@ -0,0 +1,25 @@ +#ifndef __H8300_TIMER_H +#define __H8300_TIMER_H + +void h8300_timer_tick(void); +void h8300_timer_setup(void); +void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day, + unsigned int *hour, unsigned int *min, unsigned int *sec); + +#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */ + +#define calc_param(cnt, div, rate, limit) \ +do { \ + cnt = TIMER_FREQ / HZ; \ + for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \ + if (rate[div] == 0) \ + continue; \ + if ((cnt / rate[div]) > limit) \ + break; \ + } \ + if (div == ARRAY_SIZE(divide_rate)) \ + panic("Timer counter overflow"); \ + cnt /= divide_rate[div]; \ +} while(0) + +#endif -- GitLab From 81d423e280d193d351f41eacdb3f82c3bb9610c1 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 15 Oct 2008 22:01:17 -0700 Subject: [PATCH 5310/6244] h8300: update timer handler - misc update - Update selection - Update common timer handler - Add support functions Signed-off-by: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/h8300/Kconfig.cpu | 115 ++++++++++++++++-------------------- arch/h8300/include/asm/io.h | 34 +++++++++++ arch/h8300/kernel/Makefile | 2 +- arch/h8300/kernel/time.c | 29 ++++----- 4 files changed, 97 insertions(+), 83 deletions(-) diff --git a/arch/h8300/Kconfig.cpu b/arch/h8300/Kconfig.cpu index 582797db9603..b65dcfe51d9c 100644 --- a/arch/h8300/Kconfig.cpu +++ b/arch/h8300/Kconfig.cpu @@ -1,5 +1,7 @@ menu "Processor type and features" +source "kernel/time/Kconfig" + choice prompt "H8/300 platform" default H8300H_GENERIC @@ -11,6 +13,7 @@ config H8300H_GENERIC config H8300H_AKI3068NET bool "AE-3068/69" + select CONFIG_H83068 help AKI-H8/3068F / AKI-H8/3069F Flashmicom LAN Board Support More Information. (Japanese Only) @@ -21,6 +24,7 @@ config H8300H_AKI3068NET config H8300H_H8MAX bool "H8MAX" + select CONFIG_H83068 help H8MAX Evaluation Board Support More Information. (Japanese Only) @@ -28,6 +32,7 @@ config H8300H_H8MAX config H8300H_SIM bool "H8/300H Simulator" + select CONFIG_H83007 help GDB Simulator Support More Information. @@ -40,6 +45,7 @@ config H8S_GENERIC config H8S_EDOSK2674 bool "EDOSK-2674" + select CONFIG_H8S2768 help Renesas EDOSK-2674 Evaluation Board Support More Information. @@ -55,44 +61,37 @@ config H8S_SIM endchoice -if (H8300H_GENERIC || H8S_GENERIC) -menu "Detail Selection" -if (H8300H_GENERIC) choice prompt "CPU Selection" config H83002 bool "H8/3001,3002,3003" + select CPU_H8300H config H83007 bool "H8/3006,3007" + select CPU_H8300H config H83048 bool "H8/3044,3045,3046,3047,3048,3052" + select CPU_H8300H config H83068 bool "H8/3065,3066,3067,3068,3069" -endchoice -endif - -if (H8S_GENERIC) -choice - prompt "CPU Selection" + select CPU_H8300H config H8S2678 bool "H8S/2670,2673,2674R,2675,2676" + select CPU_H8S + endchoice -endif config CPU_CLOCK int "CPU Clock Frequency (/1KHz)" default "20000" help CPU Clock Frequency divide to 1000 -endmenu -endif -if (H8300H_GENERIC || H8S_GENERIC || H8300H_SIM || H8S_SIM || H8S_EDOSK2674) choice prompt "Kernel executes from" ---help--- @@ -107,75 +106,61 @@ config ROMKERNEL bool "ROM" help The kernel will be resident in FLASH/ROM when running. - endchoice -endif -if (H8300H_AKI3068NET) -config H83068 - bool - default y -config CPU_CLOCK - int - default "20000" - -config RAMKERNEL +config CPU_H8300H bool + depends on (H83002 || H83007 || H83048 || H83068) default y -endif -if (H8300H_H8MAX) -config H83068 +config CPU_H8S bool + depends on H8S2678 default y -config CPU_CLOCK - int - default 25000 +choice + prompt "Timer" +config H8300_TIMER8 + bool "8bit timer (2ch cascade)" + depends on (H83007 || H83068 || H8S2678) -config RAMKERNEL - bool - default y -endif +config H8300_TIMER16 + bool "16bit timer" + depends on (H83007 || H83068) -if (H8300H_SIM) -config H83007 - bool - default y +config H8300_ITU + bool "ITU" + depends on (H83002 || H83048) -config CPU_CLOCK - int - default "16000" -endif +config H8300_TPU + bool "TPU" + depends on H8S2678 +endchoice -if (H8S_EDOSK2674) -config H8S2678 - bool - default y -config CPU_CLOCK - int - default 33000 +if H8300_TIMER8 +choice + prompt "Timer Channel" +config H8300_TIMER8_CH0 + bool "Channel 0" +config H8300_TIMER8_CH2 + bool "Channel 2" + depends on CPU_H8300H +endchoice endif -if (H8S_SIM) -config H8S2678 - bool - default y -config CPU_CLOCK - int - default 33000 -endif +config H8300_TIMER16_CH + int "16bit timer channel (0 - 2)" + depends on H8300_TIMER16 + range 0 2 -config CPU_H8300H - bool - depends on (H83002 || H83007 || H83048 || H83068) - default y +config H8300_ITU_CH + int "ITU channel" + depends on H8300_ITU -config CPU_H8S - bool - depends on H8S2678 - default y +config H8300_TPU_CH + int "TPU channel" + depends on H8300_TPU config PREEMPT bool "Preemptible Kernel" diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h index 26dc6ccd9441..33e842f3284b 100644 --- a/arch/h8300/include/asm/io.h +++ b/arch/h8300/include/asm/io.h @@ -295,6 +295,40 @@ static __inline__ void ctrl_outl(unsigned long b, unsigned long addr) *(volatile unsigned long*)addr = b; } +static __inline__ void ctrl_bclr(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bclr #0,@%0"::"r"(addr)); break; + case 1: __asm__("bclr #1,@%0"::"r"(addr)); break; + case 2: __asm__("bclr #2,@%0"::"r"(addr)); break; + case 3: __asm__("bclr #3,@%0"::"r"(addr)); break; + case 4: __asm__("bclr #4,@%0"::"r"(addr)); break; + case 5: __asm__("bclr #5,@%0"::"r"(addr)); break; + case 6: __asm__("bclr #6,@%0"::"r"(addr)); break; + case 7: __asm__("bclr #7,@%0"::"r"(addr)); break; + } + else + __asm__("bclr %w0,@%1"::"r"(b), "r"(addr)); +} + +static __inline__ void ctrl_bset(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bset #0,@%0"::"r"(addr)); break; + case 1: __asm__("bset #1,@%0"::"r"(addr)); break; + case 2: __asm__("bset #2,@%0"::"r"(addr)); break; + case 3: __asm__("bset #3,@%0"::"r"(addr)); break; + case 4: __asm__("bset #4,@%0"::"r"(addr)); break; + case 5: __asm__("bset #5,@%0"::"r"(addr)); break; + case 6: __asm__("bset #6,@%0"::"r"(addr)); break; + case 7: __asm__("bset #7,@%0"::"r"(addr)); break; + } + else + __asm__("bset %w0,@%1"::"r"(b), "r"(addr)); +} + /* Pages to physical address... */ #define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) #define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT) diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile index 6c248c3c5c3b..8d4d2a54be9e 100644 --- a/arch/h8300/kernel/Makefile +++ b/arch/h8300/kernel/Makefile @@ -7,6 +7,6 @@ extra-y := vmlinux.lds obj-y := process.o traps.o ptrace.o irq.o \ sys_h8300.o time.o signal.o \ setup.o gpio.o init_task.o syscalls.o \ - entry.o + entry.o timer/ obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c index e37c835e67cf..7f2d6cfbb4b6 100644 --- a/arch/h8300/kernel/time.c +++ b/arch/h8300/kernel/time.c @@ -27,27 +27,21 @@ #include #include -#include +#include #define TICK_SIZE (tick_nsec / 1000) -/* - * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick - */ -static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs) +void h8300_timer_tick(void) { - /* may need to kick the hardware timer */ - platform_timer_eoi(); - + if (current->pid) + profile_tick(CPU_PROFILING); + write_seqlock(&xtime_lock); do_timer(1); -#ifndef CONFIG_SMP - update_process_times(user_mode(regs)); -#endif - profile_tick(CPU_PROFILING); + write_sequnlock(&xtime_lock); + update_process_times(user_mode(get_irq_regs())); } -void time_init(void) +void __init time_init(void) { unsigned int year, mon, day, hour, min, sec; @@ -57,12 +51,13 @@ void time_init(void) year = 1980; mon = day = 1; hour = min = sec = 0; - platform_gettod (&year, &mon, &day, &hour, &min, &sec); - +#ifdef CONFIG_H8300_GETTOD + h8300_gettod (&year, &mon, &day, &hour, &min, &sec); +#endif if ((year += 1900) < 1970) year += 100; xtime.tv_sec = mktime(year, mon, day, hour, min, sec); xtime.tv_nsec = 0; - platform_timer_setup(timer_interrupt); + h8300_timer_setup(); } -- GitLab From 9791af55b5edb44d89608b9934a0022e7a27f625 Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Wed, 15 Oct 2008 22:01:17 -0700 Subject: [PATCH 5311/6244] h8300: GENERIC_BUG support CONFIG_GENERIC_BUG support. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/h8300/Kconfig | 4 ++++ arch/h8300/include/asm/bug.h | 4 ++++ arch/h8300/include/asm/system.h | 2 ++ arch/h8300/kernel/module.c | 3 ++- arch/h8300/kernel/traps.c | 17 +++++++++++------ arch/h8300/mm/fault.c | 5 ++--- 6 files changed, 25 insertions(+), 10 deletions(-) diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 107cb5bb9f39..c7966746fbfe 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -62,6 +62,10 @@ config GENERIC_TIME bool default y +config GENERIC_BUG + bool + depends on BUG + config TIME_LOW_RES bool default y diff --git a/arch/h8300/include/asm/bug.h b/arch/h8300/include/asm/bug.h index edddf5b086e5..887c19773185 100644 --- a/arch/h8300/include/asm/bug.h +++ b/arch/h8300/include/asm/bug.h @@ -1,4 +1,8 @@ #ifndef _H8300_BUG_H #define _H8300_BUG_H + +/* always true */ +#define is_valid_bugaddr(addr) (1) + #include #endif diff --git a/arch/h8300/include/asm/system.h b/arch/h8300/include/asm/system.h index 4b8e475908ae..d98d97685f06 100644 --- a/arch/h8300/include/asm/system.h +++ b/arch/h8300/include/asm/system.h @@ -155,4 +155,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz #define arch_align_stack(x) (x) +void die(char *str, struct pt_regs *fp, unsigned long err); + #endif /* _H8300_SYSTEM_H */ diff --git a/arch/h8300/kernel/module.c b/arch/h8300/kernel/module.c index 4fd7138a6e03..cfc9127d2ced 100644 --- a/arch/h8300/kernel/module.c +++ b/arch/h8300/kernel/module.c @@ -114,9 +114,10 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *me) { - return 0; + return module_bug_finalize(hdr, sechdrs, me); } void module_arch_cleanup(struct module *mod) { + module_bug_cleanup(mod); } diff --git a/arch/h8300/kernel/traps.c b/arch/h8300/kernel/traps.c index f8f7d7ea97f1..3c0b66bc669e 100644 --- a/arch/h8300/kernel/traps.c +++ b/arch/h8300/kernel/traps.c @@ -20,12 +20,14 @@ #include #include #include +#include #include #include #include #include -#include + +static DEFINE_SPINLOCK(die_lock); /* * this must be called very early as the kernel might @@ -94,16 +96,19 @@ static void dump(struct pt_regs *fp) printk("\n\n"); } -void die_if_kernel (char *str, struct pt_regs *fp, int nr) +void die(char *str, struct pt_regs *fp, unsigned long err) { - extern int console_loglevel; + static int diecount; - if (!(fp->ccr & PS_S)) - return; + oops_enter(); - console_loglevel = 15; + console_verbose(); + spin_lock_irq(&die_lock); + report_bug(fp->pc, fp); + printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++diecount); dump(fp); + spin_unlock_irq(&die_lock); do_exit(SIGSEGV); } diff --git a/arch/h8300/mm/fault.c b/arch/h8300/mm/fault.c index 29e9af9f0e6a..1d092abebf03 100644 --- a/arch/h8300/mm/fault.c +++ b/arch/h8300/mm/fault.c @@ -20,8 +20,6 @@ #include #include -extern void die_if_kernel(char *, struct pt_regs *, long); - /* * This routine handles page faults. It determines the problem, and * then passes it off to one of the appropriate routines. @@ -50,7 +48,8 @@ asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, } else printk(KERN_ALERT "Unable to handle kernel access"); printk(" at virtual address %08lx\n",address); - die_if_kernel("Oops", regs, error_code); + if (!user_mode(regs)) + die("Oops", regs, error_code); do_exit(SIGKILL); return 1; -- GitLab From 5f664526def0bf8526090e32676e151738c5c39b Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:01:18 -0700 Subject: [PATCH 5312/6244] asm-h8300/md.h: remove CVS keyword Remove a CVS keyword that wasn't updated for a long time from a comment. Signed-off-by: Adrian Bunk Cc: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/h8300/include/asm/md.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/h8300/include/asm/md.h b/arch/h8300/include/asm/md.h index 1a47dc6691fb..1b7300e0a175 100644 --- a/arch/h8300/include/asm/md.h +++ b/arch/h8300/include/asm/md.h @@ -1,4 +1,4 @@ -/* $Id: md.h,v 1.1 2002/11/19 02:09:26 gerg Exp $ +/* * md.h: High speed xor_block operation for RAID4/5 * */ -- GitLab From ffc32d67563774cb09496aaeac4097ae6202cfcc Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:01:19 -0700 Subject: [PATCH 5313/6244] Alpha Miata: remove dead URL Remove a dead URL. Cc: Yoshinori Sato Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index ee35226c44e9..a0f642b6a4b9 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -222,8 +222,7 @@ config ALPHA_MIATA bool "Miata" help The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, - or 600au). There is an Installation HOWTO for this hardware at - . + or 600au). config ALPHA_MIKASA bool "Mikasa" -- GitLab From 574f34cee2b6574d43bf4506f771c1cec6a5d391 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 15 Oct 2008 22:01:19 -0700 Subject: [PATCH 5314/6244] alpha: notify_cpu_starting() compile fixlet arch/alpha/kernel/smp.c:153: error: implicit declaration of function 'notify_cpu_starting' Signed-off-by: Alexey Dobriyan Cc: Richard Henderson Cc: Ivan Kokshaysky Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/kernel/smp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 06b6fdab639f..e657c45d91d2 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include -- GitLab From 1bfcf1304ea79c46efc3724e548b13b4b442b418 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Wed, 15 Oct 2008 22:01:21 -0700 Subject: [PATCH 5315/6244] pm: rework disabling of user mode helpers during suspend/hibernation We currently use a PM notifier to disable user mode helpers before suspend and hibernation and to re-enable them during resume. However, this is not an ideal solution, because if any drivers want to upload firmware into memory before suspend, they have to use a PM notifier for this purpose and there is no guarantee that the ordering of PM notifiers will be as expected (ie. the notifier that disables user mode helpers has to be run after the driver's notifier used for uploading the firmware). For this reason, it seems better to move the disabling and enabling of user mode helpers to separate functions that will be called by the PM core as necessary. [akpm@linux-foundation.org: remove unneeded ifdefs] Signed-off-by: Rafael J. Wysocki Cc: Alan Stern Acked-by: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/kmod.h | 3 ++ kernel/kmod.c | 65 +++++++++++++++++++------------------------- kernel/power/disk.c | 11 ++++++++ kernel/power/main.c | 7 +++++ kernel/power/user.c | 10 ++++++- 5 files changed, 58 insertions(+), 38 deletions(-) diff --git a/include/linux/kmod.h b/include/linux/kmod.h index a1a91577813c..92213a9194e1 100644 --- a/include/linux/kmod.h +++ b/include/linux/kmod.h @@ -99,4 +99,7 @@ struct file; extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[], struct file **filp); +extern int usermodehelper_disable(void); +extern void usermodehelper_enable(void); + #endif /* __LINUX_KMOD_H__ */ diff --git a/kernel/kmod.c b/kernel/kmod.c index 2456d1a0befb..ab7dd08472fc 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -265,7 +265,7 @@ static void __call_usermodehelper(struct work_struct *work) } } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP /* * If set, call_usermodehelper_exec() will exit immediately returning -EBUSY * (used for preventing user land processes from being created after the user @@ -288,39 +288,37 @@ static DECLARE_WAIT_QUEUE_HEAD(running_helpers_waitq); */ #define RUNNING_HELPERS_TIMEOUT (5 * HZ) -static int usermodehelper_pm_callback(struct notifier_block *nfb, - unsigned long action, - void *ignored) +/** + * usermodehelper_disable - prevent new helpers from being started + */ +int usermodehelper_disable(void) { long retval; - switch (action) { - case PM_HIBERNATION_PREPARE: - case PM_SUSPEND_PREPARE: - usermodehelper_disabled = 1; - smp_mb(); - /* - * From now on call_usermodehelper_exec() won't start any new - * helpers, so it is sufficient if running_helpers turns out to - * be zero at one point (it may be increased later, but that - * doesn't matter). - */ - retval = wait_event_timeout(running_helpers_waitq, + usermodehelper_disabled = 1; + smp_mb(); + /* + * From now on call_usermodehelper_exec() won't start any new + * helpers, so it is sufficient if running_helpers turns out to + * be zero at one point (it may be increased later, but that + * doesn't matter). + */ + retval = wait_event_timeout(running_helpers_waitq, atomic_read(&running_helpers) == 0, RUNNING_HELPERS_TIMEOUT); - if (retval) { - return NOTIFY_OK; - } else { - usermodehelper_disabled = 0; - return NOTIFY_BAD; - } - case PM_POST_HIBERNATION: - case PM_POST_SUSPEND: - usermodehelper_disabled = 0; - return NOTIFY_OK; - } + if (retval) + return 0; - return NOTIFY_DONE; + usermodehelper_disabled = 0; + return -EAGAIN; +} + +/** + * usermodehelper_enable - allow new helpers to be started again + */ +void usermodehelper_enable(void) +{ + usermodehelper_disabled = 0; } static void helper_lock(void) @@ -334,18 +332,12 @@ static void helper_unlock(void) if (atomic_dec_and_test(&running_helpers)) wake_up(&running_helpers_waitq); } - -static void register_pm_notifier_callback(void) -{ - pm_notifier(usermodehelper_pm_callback, 0); -} -#else /* CONFIG_PM */ +#else /* CONFIG_PM_SLEEP */ #define usermodehelper_disabled 0 static inline void helper_lock(void) {} static inline void helper_unlock(void) {} -static inline void register_pm_notifier_callback(void) {} -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ /** * call_usermodehelper_setup - prepare to call a usermode helper @@ -515,5 +507,4 @@ void __init usermodehelper_init(void) { khelper_wq = create_singlethread_workqueue("khelper"); BUG_ON(!khelper_wq); - register_pm_notifier_callback(); } diff --git a/kernel/power/disk.c b/kernel/power/disk.c index bbd85c60f741..331f9836383f 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -520,6 +521,10 @@ int hibernate(void) if (error) goto Exit; + error = usermodehelper_disable(); + if (error) + goto Exit; + /* Allocate memory management structures */ error = create_basic_memory_bitmaps(); if (error) @@ -558,6 +563,7 @@ int hibernate(void) thaw_processes(); Finish: free_basic_memory_bitmaps(); + usermodehelper_enable(); Exit: pm_notifier_call_chain(PM_POST_HIBERNATION); pm_restore_console(); @@ -634,6 +640,10 @@ static int software_resume(void) if (error) goto Finish; + error = usermodehelper_disable(); + if (error) + goto Finish; + error = create_basic_memory_bitmaps(); if (error) goto Finish; @@ -656,6 +666,7 @@ static int software_resume(void) thaw_processes(); Done: free_basic_memory_bitmaps(); + usermodehelper_enable(); Finish: pm_notifier_call_chain(PM_POST_RESTORE); pm_restore_console(); diff --git a/kernel/power/main.c b/kernel/power/main.c index 540b16b68565..19122cf6d827 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -237,6 +238,10 @@ static int suspend_prepare(void) if (error) goto Finish; + error = usermodehelper_disable(); + if (error) + goto Finish; + if (suspend_freeze_processes()) { error = -EAGAIN; goto Thaw; @@ -256,6 +261,7 @@ static int suspend_prepare(void) Thaw: suspend_thaw_processes(); + usermodehelper_enable(); Finish: pm_notifier_call_chain(PM_POST_SUSPEND); pm_restore_console(); @@ -376,6 +382,7 @@ int suspend_devices_and_enter(suspend_state_t state) static void suspend_finish(void) { suspend_thaw_processes(); + usermodehelper_enable(); pm_notifier_call_chain(PM_POST_SUSPEND); pm_restore_console(); } diff --git a/kernel/power/user.c b/kernel/power/user.c index a6332a313262..005b93d839ba 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -212,13 +212,20 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, case SNAPSHOT_FREEZE: if (data->frozen) break; + printk("Syncing filesystems ... "); sys_sync(); printk("done.\n"); - error = freeze_processes(); + error = usermodehelper_disable(); if (error) + break; + + error = freeze_processes(); + if (error) { thaw_processes(); + usermodehelper_enable(); + } if (!error) data->frozen = 1; break; @@ -227,6 +234,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, if (!data->frozen || data->ready) break; thaw_processes(); + usermodehelper_enable(); data->frozen = 0; break; -- GitLab From b25f29b0da23f4f784f9bcae954b157e1f45cc69 Mon Sep 17 00:00:00 2001 From: Frans Pop Date: Wed, 15 Oct 2008 22:01:21 -0700 Subject: [PATCH 5316/6244] pm: document use of RTC in pm_trace As pm_trace uses the system's hardware clock to save its magic value, users of that option should be warned that using this debug option will result in an incorrect system time after resume. Signed-off-by: Frans Pop Acked-by: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/power/s2ram.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/power/s2ram.txt b/Documentation/power/s2ram.txt index b05f512130ea..2ebdc6091ce1 100644 --- a/Documentation/power/s2ram.txt +++ b/Documentation/power/s2ram.txt @@ -54,3 +54,21 @@ used to run with "radeonfb" (it's an ATI Radeon mobility). It turns out that "radeonfb" simply cannot resume that device - it tries to set the PLL's, and it just _hangs_. Using the regular VGA console and letting X resume it instead works fine. + +NOTE +==== +pm_trace uses the system's Real Time Clock (RTC) to save the magic number. +Reason for this is that the RTC is the only reliably available piece of +hardware during resume operations where a value can be set that will +survive a reboot. + +Consequence is that after a resume (even if it is successful) your system +clock will have a value corresponding to the magic mumber instead of the +correct date/time! It is therefore advisable to use a program like ntp-date +or rdate to reset the correct date/time from an external time source when +using this trace option. + +As the clock keeps ticking it is also essential that the reboot is done +quickly after the resume failure. The trace option does not use the seconds +or the low order bits of the minutes of the RTC, but a too long delay will +corrupt the magic value. -- GitLab From d2efa6d5ce14f92d13e2710f7343687a9acfd324 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:01:22 -0700 Subject: [PATCH 5317/6244] uml: remove the dead TTY_LOG code Remove the dead CONFIG_TTY_LOG (no kconfig option). Reported-by: Robert P. J. Day Signed-off-by: Adrian Bunk Cc: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/kernel/exec.c | 12 -- arch/um/os-Linux/Makefile | 3 - arch/um/os-Linux/tty_log.c | 217 ------------------------------------- 3 files changed, 232 deletions(-) delete mode 100644 arch/um/os-Linux/tty_log.c diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index f5d7f4569ba7..598711c62c82 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -42,23 +42,11 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp) PT_REGS_SP(regs) = esp; } -#ifdef CONFIG_TTY_LOG -extern void log_exec(char **argv, void *tty); -#endif - static long execve1(char *file, char __user * __user *argv, char __user *__user *env) { long error; -#ifdef CONFIG_TTY_LOG - struct tty_struct *tty; - mutex_lock(&tty_mutex); - tty = get_current_tty(); - if (tty) - log_exec(argv, tty); - mutex_unlock(&tty_mutex); -#endif error = do_execve(file, argv, env, ¤t->thread.regs); if (error == 0) { task_lock(current); diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile index 8a48d6a30064..d66f0388f091 100644 --- a/arch/um/os-Linux/Makefile +++ b/arch/um/os-Linux/Makefile @@ -7,9 +7,6 @@ obj-y = aio.o elf_aux.o execvp.o file.o helper.o irq.o main.o mem.o process.o \ registers.o sigio.o signal.o start_up.o time.o tty.o uaccess.o \ umid.o tls.o user_syms.o util.o drivers/ sys-$(SUBARCH)/ skas/ -obj-$(CONFIG_TTY_LOG) += tty_log.o -user-objs-$(CONFIG_TTY_LOG) += tty_log.o - USER_OBJS := $(user-objs-y) aio.o elf_aux.o execvp.o file.o helper.o irq.o \ main.o mem.o process.o registers.o sigio.o signal.o start_up.o time.o \ tty.o tls.o uaccess.o umid.o util.o diff --git a/arch/um/os-Linux/tty_log.c b/arch/um/os-Linux/tty_log.c deleted file mode 100644 index cc648e6fd3a2..000000000000 --- a/arch/um/os-Linux/tty_log.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) and - * geoffrey hing - * Licensed under the GPL - */ - -#include -#include -#include -#include -#include -#include -#include "init.h" -#include "user.h" -#include "os.h" - -#define TTY_LOG_DIR "./" - -/* Set early in boot and then unchanged */ -static char *tty_log_dir = TTY_LOG_DIR; -static int tty_log_fd = -1; - -#define TTY_LOG_OPEN 1 -#define TTY_LOG_CLOSE 2 -#define TTY_LOG_WRITE 3 -#define TTY_LOG_EXEC 4 - -#define TTY_READ 1 -#define TTY_WRITE 2 - -struct tty_log_buf { - int what; - unsigned long tty; - int len; - int direction; - unsigned long sec; - unsigned long usec; -}; - -int open_tty_log(void *tty, void *current_tty) -{ - struct timeval tv; - struct tty_log_buf data; - char buf[strlen(tty_log_dir) + sizeof("01234567890-01234567\0")]; - int fd; - - gettimeofday(&tv, NULL); - if(tty_log_fd != -1){ - data = ((struct tty_log_buf) { .what = TTY_LOG_OPEN, - .tty = (unsigned long) tty, - .len = sizeof(current_tty), - .direction = 0, - .sec = tv.tv_sec, - .usec = tv.tv_usec } ); - write(tty_log_fd, &data, sizeof(data)); - write(tty_log_fd, ¤t_tty, data.len); - return tty_log_fd; - } - - sprintf(buf, "%s/%0u-%0u", tty_log_dir, (unsigned int) tv.tv_sec, - (unsigned int) tv.tv_usec); - - fd = os_open_file(buf, of_append(of_create(of_rdwr(OPENFLAGS()))), - 0644); - if(fd < 0){ - printk("open_tty_log : couldn't open '%s', errno = %d\n", - buf, -fd); - } - return fd; -} - -void close_tty_log(int fd, void *tty) -{ - struct tty_log_buf data; - struct timeval tv; - - if(tty_log_fd != -1){ - gettimeofday(&tv, NULL); - data = ((struct tty_log_buf) { .what = TTY_LOG_CLOSE, - .tty = (unsigned long) tty, - .len = 0, - .direction = 0, - .sec = tv.tv_sec, - .usec = tv.tv_usec } ); - write(tty_log_fd, &data, sizeof(data)); - return; - } - os_close_file(fd); -} - -static int log_chunk(int fd, const char *buf, int len) -{ - int total = 0, try, missed, n; - char chunk[64]; - - while(len > 0){ - try = (len > sizeof(chunk)) ? sizeof(chunk) : len; - missed = copy_from_user_proc(chunk, (char *) buf, try); - try -= missed; - n = write(fd, chunk, try); - if(n != try) { - if(n < 0) - return -errno; - return -EIO; - } - if(missed != 0) - return -EFAULT; - - len -= try; - total += try; - buf += try; - } - - return total; -} - -int write_tty_log(int fd, const char *buf, int len, void *tty, int is_read) -{ - struct timeval tv; - struct tty_log_buf data; - int direction; - - if(fd == tty_log_fd){ - gettimeofday(&tv, NULL); - direction = is_read ? TTY_READ : TTY_WRITE; - data = ((struct tty_log_buf) { .what = TTY_LOG_WRITE, - .tty = (unsigned long) tty, - .len = len, - .direction = direction, - .sec = tv.tv_sec, - .usec = tv.tv_usec } ); - write(tty_log_fd, &data, sizeof(data)); - } - - return log_chunk(fd, buf, len); -} - -void log_exec(char **argv, void *tty) -{ - struct timeval tv; - struct tty_log_buf data; - char **ptr,*arg; - int len; - - if(tty_log_fd == -1) return; - - gettimeofday(&tv, NULL); - - len = 0; - for(ptr = argv; ; ptr++){ - if(copy_from_user_proc(&arg, ptr, sizeof(arg))) - return; - if(arg == NULL) break; - len += strlen_user_proc(arg); - } - - data = ((struct tty_log_buf) { .what = TTY_LOG_EXEC, - .tty = (unsigned long) tty, - .len = len, - .direction = 0, - .sec = tv.tv_sec, - .usec = tv.tv_usec } ); - write(tty_log_fd, &data, sizeof(data)); - - for(ptr = argv; ; ptr++){ - if(copy_from_user_proc(&arg, ptr, sizeof(arg))) - return; - if(arg == NULL) break; - log_chunk(tty_log_fd, arg, strlen_user_proc(arg)); - } -} - -extern void register_tty_logger(int (*opener)(void *, void *), - int (*writer)(int, const char *, int, - void *, int), - void (*closer)(int, void *)); - -static int register_logger(void) -{ - register_tty_logger(open_tty_log, write_tty_log, close_tty_log); - return 0; -} - -__uml_initcall(register_logger); - -static int __init set_tty_log_dir(char *name, int *add) -{ - tty_log_dir = name; - return 0; -} - -__uml_setup("tty_log_dir=", set_tty_log_dir, -"tty_log_dir=\n" -" This is used to specify the directory where the logs of all pty\n" -" data from this UML machine will be written.\n\n" -); - -static int __init set_tty_log_fd(char *name, int *add) -{ - char *end; - - tty_log_fd = strtoul(name, &end, 0); - if((*end != '\0') || (end == name)){ - printf("set_tty_log_fd - strtoul failed on '%s'\n", name); - tty_log_fd = -1; - } - - *add = 0; - return 0; -} - -__uml_setup("tty_log_fd=", set_tty_log_fd, -"tty_log_fd=\n" -" This is used to specify a preconfigured file descriptor to which all\n" -" tty data will be written. Preconfigure the descriptor with something\n" -" like '10>tty_log tty_log_fd=10'.\n\n" -); -- GitLab From 8e9c7716c138fa82d919bfe1115ec8c938e90918 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 15 Oct 2008 22:01:23 -0700 Subject: [PATCH 5318/6244] olpc: olpc_battery.c sparse endian annotations Signed-off-by: Harvey Harrison Acked-by: Andres Salomon Cc: David Woodhouse Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/power/olpc_battery.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index 32570af3c5c9..5fbca2681baa 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -205,9 +205,9 @@ static int olpc_bat_get_property(struct power_supply *psy, union power_supply_propval *val) { int ret = 0; - int16_t ec_word; + __be16 ec_word; uint8_t ec_byte; - uint64_t ser_buf; + __be64 ser_buf; ret = olpc_ec_cmd(EC_BAT_STATUS, NULL, 0, &ec_byte, 1); if (ret) @@ -257,16 +257,14 @@ static int olpc_bat_get_property(struct power_supply *psy, if (ret) return ret; - ec_word = be16_to_cpu(ec_word); - val->intval = ec_word * 9760L / 32; + val->intval = (int)be16_to_cpu(ec_word) * 9760L / 32; break; case POWER_SUPPLY_PROP_CURRENT_AVG: ret = olpc_ec_cmd(EC_BAT_CURRENT, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - ec_word = be16_to_cpu(ec_word); - val->intval = ec_word * 15625L / 120; + val->intval = (int)be16_to_cpu(ec_word) * 15625L / 120; break; case POWER_SUPPLY_PROP_CAPACITY: ret = olpc_ec_cmd(EC_BAT_SOC, NULL, 0, &ec_byte, 1); @@ -278,24 +276,22 @@ static int olpc_bat_get_property(struct power_supply *psy, ret = olpc_ec_cmd(EC_BAT_TEMP, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - ec_word = be16_to_cpu(ec_word); - val->intval = ec_word * 100 / 256; + + val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; break; case POWER_SUPPLY_PROP_TEMP_AMBIENT: ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - ec_word = be16_to_cpu(ec_word); - val->intval = ec_word * 100 / 256; + val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; break; case POWER_SUPPLY_PROP_CHARGE_COUNTER: ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - ec_word = be16_to_cpu(ec_word); - val->intval = ec_word * 6250 / 15; + val->intval = (int)be16_to_cpu(ec_word) * 6250 / 15; break; case POWER_SUPPLY_PROP_SERIAL_NUMBER: ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8); -- GitLab From d5c003b4d1690e666dbab02bc8e705947baa848c Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 15 Oct 2008 22:01:24 -0700 Subject: [PATCH 5319/6244] include: replace __FUNCTION__ with __func__ __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/acpi/acmacros.h | 6 +++--- include/acpi/platform/acgcc.h | 2 +- include/asm-generic/bug.h | 2 +- include/asm-x86/es7000/apic.h | 2 +- include/asm-x86/summit/apic.h | 2 +- include/linux/ext2_fs.h | 2 +- include/linux/ext3_fs.h | 4 ++-- include/linux/ext3_jbd.h | 14 +++++++------- include/linux/jbd.h | 4 ++-- include/linux/jbd2.h | 4 ++-- include/linux/pm.h | 2 +- include/linux/reiserfs_fs.h | 2 +- include/linux/rtmutex.h | 2 +- include/media/saa7146.h | 2 +- include/net/9p/9p.h | 4 ++-- include/net/bluetooth/bluetooth.h | 4 ++-- include/net/ieee80211.h | 2 +- include/net/ip_vs.h | 4 ++-- include/net/irda/irda.h | 2 +- include/net/sctp/sctp.h | 2 +- include/video/cyblafb.h | 2 +- 21 files changed, 35 insertions(+), 35 deletions(-) diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h index 57ab9e9d7593..74a9617776a8 100644 --- a/include/acpi/acmacros.h +++ b/include/acpi/acmacros.h @@ -467,7 +467,7 @@ struct acpi_integer_overlay { /* * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header, * define it now. This is the case where there the compiler does not support - * a __FUNCTION__ macro or equivalent. + * a __func__ macro or equivalent. */ #ifndef ACPI_GET_FUNCTION_NAME #define ACPI_GET_FUNCTION_NAME _acpi_function_name @@ -475,12 +475,12 @@ struct acpi_integer_overlay { * The Name parameter should be the procedure name as a quoted string. * The function name is also used by the function exit macros below. * Note: (const char) is used to be compatible with the debug interfaces - * and macros such as __FUNCTION__. + * and macros such as __func__. */ #define ACPI_FUNCTION_NAME(name) static const char _acpi_function_name[] = #name; #else -/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */ +/* Compiler supports __func__ (or equivalent) -- Ignore this macro */ #define ACPI_FUNCTION_NAME(name) #endif diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h index 8996dba90cd9..8e2cdc57b197 100644 --- a/include/acpi/platform/acgcc.h +++ b/include/acpi/platform/acgcc.h @@ -46,7 +46,7 @@ /* Function name is used for debug output. Non-ANSI, compiler-dependent */ -#define ACPI_GET_FUNCTION_NAME __FUNCTION__ +#define ACPI_GET_FUNCTION_NAME __func__ /* * This macro is used to tag functions as "printf-like" because diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index edc6ba82e090..0f6dabd4b517 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -22,7 +22,7 @@ struct bug_entry { #ifndef HAVE_ARCH_BUG #define BUG() do { \ - printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ + printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ panic("BUG!"); \ } while (0) #endif diff --git a/include/asm-x86/es7000/apic.h b/include/asm-x86/es7000/apic.h index bd2c44d1f7ac..aae50c2fb303 100644 --- a/include/asm-x86/es7000/apic.h +++ b/include/asm-x86/es7000/apic.h @@ -171,7 +171,7 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) int new_apicid = cpu_to_logical_apicid(cpu); if (apicid_cluster(apicid) != apicid_cluster(new_apicid)){ - printk ("%s: Not a valid mask!\n",__FUNCTION__); + printk ("%s: Not a valid mask!\n", __func__); #if defined CONFIG_ES7000_CLUSTERED_APIC return 0xFF; #else diff --git a/include/asm-x86/summit/apic.h b/include/asm-x86/summit/apic.h index c5b2e4b10358..394b00bb5e72 100644 --- a/include/asm-x86/summit/apic.h +++ b/include/asm-x86/summit/apic.h @@ -160,7 +160,7 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) int new_apicid = cpu_to_logical_apicid(cpu); if (apicid_cluster(apicid) != apicid_cluster(new_apicid)){ - printk ("%s: Not a valid mask!\n",__FUNCTION__); + printk ("%s: Not a valid mask!\n", __func__); return 0xFF; } apicid = apicid | new_apicid; diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h index 2efe7b863cff..78c775a83f7c 100644 --- a/include/linux/ext2_fs.h +++ b/include/linux/ext2_fs.h @@ -47,7 +47,7 @@ #ifdef EXT2FS_DEBUG # define ext2_debug(f, a...) { \ printk ("EXT2-fs DEBUG (%s, %d): %s:", \ - __FILE__, __LINE__, __FUNCTION__); \ + __FILE__, __LINE__, __func__); \ printk (f, ## a); \ } #else diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 8120fa1bc235..159d9b476cd7 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -43,7 +43,7 @@ #define ext3_debug(f, a...) \ do { \ printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:", \ - __FILE__, __LINE__, __FUNCTION__); \ + __FILE__, __LINE__, __func__); \ printk (KERN_DEBUG f, ## a); \ } while (0) #else @@ -871,7 +871,7 @@ extern void ext3_update_dynamic_rev (struct super_block *sb); #define ext3_std_error(sb, errno) \ do { \ if ((errno)) \ - __ext3_std_error((sb), __FUNCTION__, (errno)); \ + __ext3_std_error((sb), __func__, (errno)); \ } while (0) /* diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h index 8c43b13a02fe..cf82d519be40 100644 --- a/include/linux/ext3_jbd.h +++ b/include/linux/ext3_jbd.h @@ -137,17 +137,17 @@ int __ext3_journal_dirty_metadata(const char *where, handle_t *handle, struct buffer_head *bh); #define ext3_journal_get_undo_access(handle, bh) \ - __ext3_journal_get_undo_access(__FUNCTION__, (handle), (bh)) + __ext3_journal_get_undo_access(__func__, (handle), (bh)) #define ext3_journal_get_write_access(handle, bh) \ - __ext3_journal_get_write_access(__FUNCTION__, (handle), (bh)) + __ext3_journal_get_write_access(__func__, (handle), (bh)) #define ext3_journal_revoke(handle, blocknr, bh) \ - __ext3_journal_revoke(__FUNCTION__, (handle), (blocknr), (bh)) + __ext3_journal_revoke(__func__, (handle), (blocknr), (bh)) #define ext3_journal_get_create_access(handle, bh) \ - __ext3_journal_get_create_access(__FUNCTION__, (handle), (bh)) + __ext3_journal_get_create_access(__func__, (handle), (bh)) #define ext3_journal_dirty_metadata(handle, bh) \ - __ext3_journal_dirty_metadata(__FUNCTION__, (handle), (bh)) + __ext3_journal_dirty_metadata(__func__, (handle), (bh)) #define ext3_journal_forget(handle, bh) \ - __ext3_journal_forget(__FUNCTION__, (handle), (bh)) + __ext3_journal_forget(__func__, (handle), (bh)) int ext3_journal_dirty_data(handle_t *handle, struct buffer_head *bh); @@ -160,7 +160,7 @@ static inline handle_t *ext3_journal_start(struct inode *inode, int nblocks) } #define ext3_journal_stop(handle) \ - __ext3_journal_stop(__FUNCTION__, (handle)) + __ext3_journal_stop(__func__, (handle)) static inline handle_t *ext3_journal_current_handle(void) { diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 07a9b52a2654..7ebbcb1c9ba4 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -61,7 +61,7 @@ extern u8 journal_enable_debug; do { \ if ((n) <= journal_enable_debug) { \ printk (KERN_DEBUG "(%s, %d): %s: ", \ - __FILE__, __LINE__, __FUNCTION__); \ + __FILE__, __LINE__, __func__); \ printk (f, ## a); \ } \ } while (0) @@ -984,7 +984,7 @@ extern int cleanup_journal_tail(journal_t *); #define jbd_ENOSYS() \ do { \ - printk (KERN_ERR "JBD unimplemented function %s\n", __FUNCTION__); \ + printk (KERN_ERR "JBD unimplemented function %s\n", __func__); \ current->state = TASK_UNINTERRUPTIBLE; \ schedule(); \ } while (1) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index d2e91ea998fd..463d6f10b64f 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -61,7 +61,7 @@ extern u8 jbd2_journal_enable_debug; do { \ if ((n) <= jbd2_journal_enable_debug) { \ printk (KERN_DEBUG "(%s, %d): %s: ", \ - __FILE__, __LINE__, __FUNCTION__); \ + __FILE__, __LINE__, __func__); \ printk (f, ## a); \ } \ } while (0) @@ -1143,7 +1143,7 @@ extern int jbd2_cleanup_journal_tail(journal_t *); #define jbd_ENOSYS() \ do { \ - printk (KERN_ERR "JBD unimplemented function %s\n", __FUNCTION__); \ + printk (KERN_ERR "JBD unimplemented function %s\n", __func__); \ current->state = TASK_UNINTERRUPTIBLE; \ schedule(); \ } while (1) diff --git a/include/linux/pm.h b/include/linux/pm.h index 4dcce54b6d76..42de4003c4ee 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -419,7 +419,7 @@ extern void __suspend_report_result(const char *function, void *fn, int ret); #define suspend_report_result(fn, ret) \ do { \ - __suspend_report_result(__FUNCTION__, fn, ret); \ + __suspend_report_result(__func__, fn, ret); \ } while (0) #else /* !CONFIG_PM_SLEEP */ diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index e9963af16cda..bc5114d35e99 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -87,7 +87,7 @@ void reiserfs_warning(struct super_block *s, const char *fmt, ...); if( !( cond ) ) \ reiserfs_panic( NULL, "reiserfs[%i]: assertion " scond " failed at " \ __FILE__ ":%i:%s: " format "\n", \ - in_interrupt() ? -1 : task_pid_nr(current), __LINE__ , __FUNCTION__ , ##args ) + in_interrupt() ? -1 : task_pid_nr(current), __LINE__ , __func__ , ##args ) #define RASSERT(cond, format, args...) __RASSERT(cond, #cond, format, ##args) diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index 382bb7951166..f19b00b7d530 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -54,7 +54,7 @@ struct hrtimer_sleeper; #ifdef CONFIG_DEBUG_RT_MUTEXES # define __DEBUG_RT_MUTEX_INITIALIZER(mutexname) \ , .name = #mutexname, .file = __FILE__, .line = __LINE__ -# define rt_mutex_init(mutex) __rt_mutex_init(mutex, __FUNCTION__) +# define rt_mutex_init(mutex) __rt_mutex_init(mutex, __func__) extern void rt_mutex_debug_task_free(struct task_struct *tsk); #else # define __DEBUG_RT_MUTEX_INITIALIZER(mutexname) diff --git a/include/media/saa7146.h b/include/media/saa7146.h index 64a2ec746a3e..c5a6e22a4b37 100644 --- a/include/media/saa7146.h +++ b/include/media/saa7146.h @@ -24,7 +24,7 @@ extern unsigned int saa7146_debug; -//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),KBUILD_MODNAME,__FUNCTION__) +//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),KBUILD_MODNAME,__func__) #ifndef DEBUG_VARIABLE #define DEBUG_VARIABLE saa7146_debug diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index c3626c0ba9d3..fb163e2e0de6 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -61,7 +61,7 @@ extern unsigned int p9_debug_level; do { \ if ((p9_debug_level & level) == level) \ printk(KERN_NOTICE "-- %s (%d): " \ - format , __FUNCTION__, task_pid_nr(current) , ## arg); \ + format , __func__, task_pid_nr(current) , ## arg); \ } while (0) #define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, \ @@ -76,7 +76,7 @@ do { \ #define P9_EPRINTK(level, format, arg...) \ do { \ printk(level "9p: %s (%d): " \ - format , __FUNCTION__, task_pid_nr(current), ## arg); \ + format , __func__, task_pid_nr(current), ## arg); \ } while (0) /** diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h index 6f8418bf4241..996d12df7594 100644 --- a/include/net/bluetooth/bluetooth.h +++ b/include/net/bluetooth/bluetooth.h @@ -54,8 +54,8 @@ #define SOL_RFCOMM 18 #define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg) -#define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg) -#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg) +#define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __func__ , ## arg) +#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg) /* Connection and socket states */ enum { diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h index 6048579d0b24..93a56de3594b 100644 --- a/include/net/ieee80211.h +++ b/include/net/ieee80211.h @@ -114,7 +114,7 @@ extern u32 ieee80211_debug_level; #define IEEE80211_DEBUG(level, fmt, args...) \ do { if (ieee80211_debug_level & (level)) \ printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ - in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) + in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0) static inline bool ieee80211_ratelimit_debug(u32 level) { return (ieee80211_debug_level & level) && net_ratelimit(); diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index 0b2071d9326d..fe9fcf73c85e 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -165,13 +165,13 @@ static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len, do { \ if (level <= ip_vs_get_debug_level()) \ printk(KERN_DEBUG "Enter: %s, %s line %i\n", \ - __FUNCTION__, __FILE__, __LINE__); \ + __func__, __FILE__, __LINE__); \ } while (0) #define LeaveFunction(level) \ do { \ if (level <= ip_vs_get_debug_level()) \ printk(KERN_DEBUG "Leave: %s, %s line %i\n", \ - __FUNCTION__, __FILE__, __LINE__); \ + __func__, __FILE__, __LINE__); \ } while (0) #else #define EnterFunction(level) do {} while (0) diff --git a/include/net/irda/irda.h b/include/net/irda/irda.h index 08387553b57e..7e582061b230 100644 --- a/include/net/irda/irda.h +++ b/include/net/irda/irda.h @@ -72,7 +72,7 @@ do { if (irda_debug >= (n)) \ #define IRDA_ASSERT(expr, func) \ do { if(!(expr)) { \ printk( "Assertion failed! %s:%s:%d %s\n", \ - __FILE__,__FUNCTION__,__LINE__,(#expr) ); \ + __FILE__,__func__,__LINE__,(#expr) ); \ func } } while (0) #define IRDA_ASSERT_LABEL(label) label #else diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 703305d00365..ed71b110edf7 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -303,7 +303,7 @@ extern int sctp_debug_flag; #define SCTP_ASSERT(expr, str, func) \ if (!(expr)) { \ SCTP_DEBUG_PRINTK("Assertion Failed: %s(%s) at %s:%s:%d\n", \ - str, (#expr), __FILE__, __FUNCTION__, __LINE__); \ + str, (#expr), __FILE__, __func__, __LINE__); \ func; \ } diff --git a/include/video/cyblafb.h b/include/video/cyblafb.h index 717440575380..d3c1d4e2c8e3 100644 --- a/include/video/cyblafb.h +++ b/include/video/cyblafb.h @@ -4,7 +4,7 @@ #endif #if CYBLAFB_DEBUG -#define debug(f,a...) printk("%s:" f, __FUNCTION__ , ## a); +#define debug(f,a...) printk("%s:" f, __func__ , ## a); #else #define debug(f,a...) #endif -- GitLab From 80a914dc05683ecfc98f9e1887fd6564846ffbec Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 15 Oct 2008 22:01:25 -0700 Subject: [PATCH 5320/6244] misc: replace __FUNCTION__ with __func__ __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/m32r/kernel/process.c | 2 +- arch/x86/kvm/x86.c | 2 +- drivers/gpu/drm/i915/i915_dma.c | 4 ++-- drivers/input/joystick/xpad.c | 4 ++-- drivers/s390/net/ctcm_mpc.c | 2 +- mm/bootmem.c | 2 +- 6 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index 5be4faaf5b1c..7103d91e1a2f 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -11,7 +11,7 @@ #undef DEBUG_PROCESS #ifdef DEBUG_PROCESS #define DPRINTK(fmt, args...) printk("%s:%d:%s: " fmt, __FILE__, __LINE__, \ - __FUNCTION__, ##args) + __func__, ##args) #else #define DPRINTK(fmt, args...) #endif diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0d682fc6aeb3..19afbb644c7f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -564,7 +564,7 @@ static void kvm_set_time_scale(uint32_t tsc_khz, struct pvclock_vcpu_time_info * hv_clock->tsc_to_system_mul = div_frac(nsecs, tps32); pr_debug("%s: tsc_khz %u, tsc_shift %d, tsc_mul %u\n", - __FUNCTION__, tsc_khz, hv_clock->tsc_shift, + __func__, tsc_khz, hv_clock->tsc_shift, hv_clock->tsc_to_system_mul); } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 88974342933c..9ac4720e647b 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -517,7 +517,7 @@ static int i915_dispatch_flip(struct drm_device * dev) RING_LOCALS; DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", - __FUNCTION__, + __func__, dev_priv->current_page, dev_priv->sarea_priv->pf_current_page); @@ -642,7 +642,7 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, static int i915_flip_bufs(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEBUG("%s\n", __FUNCTION__); + DRM_DEBUG("%s\n", __func__); LOCK_TEST_WITH_RETURN(dev, file_priv); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 6791be81eb29..839d1c9622f6 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -455,10 +455,10 @@ static void xpad_bulk_out(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); + dbg("%s - urb shutting down with status: %d", __func__, urb->status); break; default: - dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); + dbg("%s - nonzero urb status received: %d", __func__, urb->status); } } diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index cbe470493bf0..19f5d5ed85e0 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -1673,7 +1673,7 @@ static int mpc_validate_xid(struct mpcg_info *mpcginfo) done: if (rc) { - ctcm_pr_info("ctcmpc : %s() failed\n", __FUNCTION__); + ctcm_pr_info("ctcmpc : %s() failed\n", __func__); priv->xid->xid2_flag2 = 0x40; grp->saved_xid2->xid2_flag2 = 0x40; } diff --git a/mm/bootmem.c b/mm/bootmem.c index ad8eec6e44a8..ac5a891f142a 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -48,7 +48,7 @@ early_param("bootmem_debug", bootmem_debug_setup); if (unlikely(bootmem_debug)) \ printk(KERN_INFO \ "bootmem::%s " fmt, \ - __FUNCTION__, ## args); \ + __func__, ## args); \ }) static unsigned long __init bootmap_bytes(unsigned long pages) -- GitLab From 693ac389326a87d608baa2902c45a6e78ed46681 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:01:25 -0700 Subject: [PATCH 5321/6244] include/linux/mount.h: remove CVS keyword Remove a CVS keyword that wasn't updated for a long time from a comment. Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/mount.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/mount.h b/include/linux/mount.h index 30a1d63b6fb5..cab2a85e2ee8 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -5,8 +5,6 @@ * * Author: Marco van Wieringen * - * Version: $Id: mount.h,v 2.0 1996/11/17 16:48:14 mvw Exp mvw $ - * */ #ifndef _LINUX_MOUNT_H #define _LINUX_MOUNT_H -- GitLab From d9f3216b474be170d0c093d70125b541ace58704 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:01:26 -0700 Subject: [PATCH 5322/6244] kernel/dma.c: remove a CVS keyword Remove a CVS keyword that wasn't updated for a long time from a comment. Signed-off-by: Adrian Bunk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/dma.c b/kernel/dma.c index d2c60a822790..f903189c5304 100644 --- a/kernel/dma.c +++ b/kernel/dma.c @@ -1,4 +1,4 @@ -/* $Id: dma.c,v 1.7 1994/12/28 03:35:33 root Exp root $ +/* * linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c. * * Written by Hennus Bergman, 1992. -- GitLab From 1ecfea06386c6b1344e83c8f909c87c88262ba1d Mon Sep 17 00:00:00 2001 From: "Robert P. J. Day" Date: Wed, 15 Oct 2008 22:01:27 -0700 Subject: [PATCH 5323/6244] init.h: remove long-dead __setup_null_param() macro This macro appears to have been unused for ages, and there are no invocations of it anywhere in the source tree. Signed-off-by: Robert P. J. Day Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/init.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/include/linux/init.h b/include/linux/init.h index 93538b696e3d..ad63824460e3 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -233,9 +233,6 @@ struct obs_kernel_param { __attribute__((aligned((sizeof(long))))) \ = { __setup_str_##unique_id, fn, early } -#define __setup_null_param(str, unique_id) \ - __setup_param(str, unique_id, NULL, 0) - #define __setup(str, fn) \ __setup_param(str, fn, fn, 0) @@ -296,7 +293,6 @@ void __init parse_early_param(void); void cleanup_module(void) __attribute__((alias(#exitfn))); #define __setup_param(str, unique_id, fn) /* nothing */ -#define __setup_null_param(str, unique_id) /* nothing */ #define __setup(str, func) /* nothing */ #endif -- GitLab From cbf330b94e9c888e9d2b99523037f9be5c4ba795 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Wed, 15 Oct 2008 22:01:27 -0700 Subject: [PATCH 5324/6244] drivers/misc: Use DIV_ROUND_UP The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. An extract of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @haskernel@ @@ #include @depends on haskernel@ expression n,d; @@ ( - (n + d - 1) / d + DIV_ROUND_UP(n,d) | - (n + (d - 1)) / d + DIV_ROUND_UP(n,d) ) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP((n),d) + DIV_ROUND_UP(n,d) @depends on haskernel@ expression n,d; @@ - DIV_ROUND_UP(n,(d)) + DIV_ROUND_UP(n,d) // Signed-off-by: Julia Lawall Cc: Jack Steiner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/sgi-gru/grukservices.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index dfd49af0fe18..08d29cd756b4 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -466,7 +466,7 @@ int gru_send_message_gpa(unsigned long mq, void *mesg, unsigned int bytes) STAT(mesq_send); BUG_ON(bytes < sizeof(int) || bytes > 2 * GRU_CACHE_LINE_BYTES); - clines = (bytes + GRU_CACHE_LINE_BYTES - 1) / GRU_CACHE_LINE_BYTES; + clines = DIV_ROUND_UP(bytes, GRU_CACHE_LINE_BYTES); if (gru_get_cpu_resources(bytes, &cb, &dsr)) return MQE_BUG_NO_RESOURCES; memcpy(dsr, mesg, bytes); -- GitLab From fca692c0a923c142c28d65e1101806bac1f69bb5 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 15 Oct 2008 22:01:29 -0700 Subject: [PATCH 5325/6244] eeepc: depends on RFKILL EEEPC_LAPTOP uses RFKILL, so the former should depend on RFKILL. Build errors happen when EEEPC_LAPTOP=y and RFKILL=m. eeepc-laptop.c:(.text+0xd5a7b): undefined reference to `rfkill_allocate' eeepc-laptop.c:(.text+0xd5b04): undefined reference to `rfkill_register' eeepc-laptop.c:(.text+0xd5b48): undefined reference to `rfkill_allocate' eeepc-laptop.c:(.text+0xd5bd4): undefined reference to `rfkill_register' eeepc-laptop.c:(.text+0xd5ece): undefined reference to `rfkill_unregister' eeepc-laptop.c:(.text+0xd5ef6): undefined reference to `rfkill_unregister' make[1]: *** [.tmp_vmlinux1] Error 1 Signed-off-by: Randy Dunlap Cc: Corentin Chary Cc: Matthew Garrett Cc: Henrique de Moraes Holschuh Cc: Karol Kozimor Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index a726f3b01a6b..9e8a5e9d15c0 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -409,6 +409,7 @@ config EEEPC_LAPTOP depends on BACKLIGHT_CLASS_DEVICE depends on HWMON depends on EXPERIMENTAL + depends on RFKILL ---help--- This driver supports the Fn-Fx keys on Eee PC laptops. It also adds the ability to switch camera/wlan on/off. -- GitLab From dd1c53a64a48b6c16f349e46b71f0938d9a4fa1f Mon Sep 17 00:00:00 2001 From: frans Date: Wed, 15 Oct 2008 22:01:30 -0700 Subject: [PATCH 5326/6244] Fix Documentation/filesystems/ramfs-rootfs-initramfs.txt First a file hello.c is created, then the file hello2.c is compiled. Change this to hello.c Signed-off-by: Frans Meulenbroeks Signed-off-by: Rob Landley Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/ramfs-rootfs-initramfs.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/filesystems/ramfs-rootfs-initramfs.txt b/Documentation/filesystems/ramfs-rootfs-initramfs.txt index 7be232b44ee4..62fe9b1e0890 100644 --- a/Documentation/filesystems/ramfs-rootfs-initramfs.txt +++ b/Documentation/filesystems/ramfs-rootfs-initramfs.txt @@ -263,7 +263,7 @@ User Mode Linux, like so: sleep(999999999); } EOF - gcc -static hello2.c -o init + gcc -static hello.c -o init echo init | cpio -o -H newc | gzip > test.cpio.gz # Testing external initramfs using the initrd loading mechanism. qemu -kernel /boot/vmlinuz -initrd test.cpio.gz /dev/zero -- GitLab From 2e0eb731e52ebfab177860e59e6e3464c2521839 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Wed, 15 Oct 2008 22:01:31 -0700 Subject: [PATCH 5327/6244] nubus: fix mis-indented statement MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit It seems this is the right way around because otherwise the len usage in the outer loop would be pretty pointless. Signed-off-by: Ilpo Järvinen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/nubus/nubus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nubus/nubus.c b/drivers/nubus/nubus.c index 2f047e573d86..f5f75844954c 100644 --- a/drivers/nubus/nubus.c +++ b/drivers/nubus/nubus.c @@ -126,7 +126,7 @@ static void nubus_advance(unsigned char **ptr, int len, int map) { while(not_useful(p,map)) p++; - p++; + p++; len--; } *ptr = p; -- GitLab From 93fd85d005eae2d1106aabd581adb6f20e335c83 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 15 Oct 2008 22:01:32 -0700 Subject: [PATCH 5328/6244] identify_ramdisk_image(): correct typo about return value in comment identify_ramdisk_image() returns 0 (not -1) if a gzipped ramdisk is found: if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) { printk(KERN_NOTICE "RAMDISK: Compressed image found at block %d\n", start_block); nblocks = 0; ^^^^^^^^^^^ goto done; } ... done: sys_lseek(fd, start_block * BLOCK_SIZE, 0); kfree(buf); return nblocks; ^^^^^^^^^^^^^^ Hence correct the typo in the comment, which has existed since the addition of compressed ramdisk support in 1.3.48. Signed-off-by: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- init/do_mounts_rd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c index fedef93b586f..a7c748fa977a 100644 --- a/init/do_mounts_rd.c +++ b/init/do_mounts_rd.c @@ -71,7 +71,7 @@ identify_ramdisk_image(int fd, int start_block) sys_read(fd, buf, size); /* - * If it matches the gzip magic numbers, return -1 + * If it matches the gzip magic numbers, return 0 */ if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) { printk(KERN_NOTICE -- GitLab From 404d0ae289f7a76ff233e8fbfde8b1e7b6e62ae3 Mon Sep 17 00:00:00 2001 From: Danny ter Haar Date: Wed, 15 Oct 2008 22:01:34 -0700 Subject: [PATCH 5329/6244] fix random typos Signed-off-by: Danny ter Haar Cc: Patrick McHardy Cc: Mikael Starvik Cc: Avi Kivity Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/cris/README | 2 +- Documentation/ia64/kvm.txt | 9 +++++---- net/netfilter/nf_conntrack_acct.c | 2 +- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/Documentation/cris/README b/Documentation/cris/README index 795a1dabe6c7..d9b086869a60 100644 --- a/Documentation/cris/README +++ b/Documentation/cris/README @@ -27,7 +27,7 @@ operating system. The ETRAX 100LX chip -------------------- -For reference, plase see the press-release: +For reference, please see the press-release: http://www.axis.com/news/us/001101_etrax.htm diff --git a/Documentation/ia64/kvm.txt b/Documentation/ia64/kvm.txt index 914d07f49268..84f7cb3d5bec 100644 --- a/Documentation/ia64/kvm.txt +++ b/Documentation/ia64/kvm.txt @@ -1,7 +1,8 @@ -Currently, kvm module in EXPERIMENTAL stage on IA64. This means that -interfaces are not stable enough to use. So, plase had better don't run -critical applications in virtual machine. We will try our best to make it -strong in future versions! +Currently, kvm module is in EXPERIMENTAL stage on IA64. This means that +interfaces are not stable enough to use. So, please don't run critical +applications in virtual machine. +We will try our best to improve it in future versions! + Guide: How to boot up guests on kvm/ia64 This guide is to describe how to enable kvm support for IA-64 systems. diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c index 03591d37b9cc..b92df5c1dfcf 100644 --- a/net/netfilter/nf_conntrack_acct.c +++ b/net/netfilter/nf_conntrack_acct.c @@ -115,7 +115,7 @@ int nf_conntrack_acct_init(struct net *net) if (net_eq(net, &init_net)) { #ifdef CONFIG_NF_CT_ACCT - printk(KERN_WARNING "CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Plase use\n"); + printk(KERN_WARNING "CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use\n"); printk(KERN_WARNING "nf_conntrack.acct=1 kernel paramater, acct=1 nf_conntrack module option or\n"); printk(KERN_WARNING "sysctl net.netfilter.nf_conntrack_acct=1 to enable it.\n"); #endif -- GitLab From c80cfb0406c01bb5da91bfe30f5cb1fd96831138 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Oct 2008 22:01:35 -0700 Subject: [PATCH 5330/6244] vsprintf: use new vsprintf symbolic function pointer format Use the '%pF' format to get rid of an "#ifdef DEBUG" and make some printks atomic. This removes the last in-tree uses of print_fn_descriptor_symbol(). I marked print_fn_descriptor_symbol() deprecated and scheduled it for removal next year to give time for out-of-tree modules to be updated. parisc's print_fn_descriptor_symbol() is currently broken there (it needs to dereference the function pointer similar to ia64 and power). This patch shouldn't make anything worse, but it means we need to fix dereference_function_descriptor() instead of print_fn_descriptor_symbol() to get meaningful initcall_debug output. Signed-off-by: Bjorn Helgaas Cc: Jesse Barnes Cc: Kyle McMartin Cc: "Rafael J. Wysocki" Cc: Kay Sievers Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/feature-removal-schedule.txt | 9 +++++++++ drivers/base/power/main.c | 7 ++----- include/linux/kallsyms.h | 8 +++----- 3 files changed, 14 insertions(+), 10 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 4d2566a7d168..f5f812daf9f4 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -294,6 +294,15 @@ Who: Jiri Slaby --------------------------- +What: print_fn_descriptor_symbol() +When: October 2009 +Why: The %pF vsprintf format provides the same functionality in a + simpler way. print_fn_descriptor_symbol() is deprecated but + still present to give out-of-tree modules time to change. +Who: Bjorn Helgaas + +--------------------------- + What: /sys/o2cb symlink When: January 2010 Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 273a944d4040..03bde7524bc3 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -778,10 +778,7 @@ EXPORT_SYMBOL_GPL(device_suspend); void __suspend_report_result(const char *function, void *fn, int ret) { - if (ret) { - printk(KERN_ERR "%s(): ", function); - print_fn_descriptor_symbol("%s returns ", fn); - printk("%d\n", ret); - } + if (ret) + printk(KERN_ERR "%s(): %pF returns %d\n", function, fn, ret); } EXPORT_SYMBOL_GPL(__suspend_report_result); diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index b96144887444..f3fe34391d8e 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -93,12 +93,10 @@ static inline void print_symbol(const char *fmt, unsigned long addr) } /* - * Pretty-print a function pointer. - * - * ia64 and ppc64 function pointers are really function descriptors, - * which contain a pointer the real address. + * Pretty-print a function pointer. This function is deprecated. + * Please use the "%pF" vsprintf format instead. */ -static inline void print_fn_descriptor_symbol(const char *fmt, void *addr) +static inline void __deprecated print_fn_descriptor_symbol(const char *fmt, void *addr) { #if defined(CONFIG_IA64) || defined(CONFIG_PPC64) addr = *(void **)addr; -- GitLab From a25d644fc0e232f242d1f3baa63c149c42536ff0 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 15 Oct 2008 22:01:38 -0700 Subject: [PATCH 5331/6244] wait: kill is_sync_wait() is_sync_wait() is used to distinguish between sync and async waits. Basically sync waits are the ones initialized with init_waitqueue_entry() and async ones with init_waitqueue_func_entry(). The sync/async distinction is used only in prepare_to_wait[_exclusive]() and its only function is to skip setting the current task state if the wait is async. This has a few problems. * No one uses it. None of func_entry users use prepare_to_wait() functions, so the code path never gets executed. * The distinction is bogus. Maybe back when func_entry is used only by aio but it's now also used by epoll and in future possibly by 9p and poll/select. * Taking @state as argument and ignoring it silenly depending on how @wait is initialized is just a bad error-prone API. * It prevents func_entry waits from using wait->private for no good reason. This patch kills is_sync_wait() and the associated code paths from prepare_to_wait[_exclusive](). As there was no user of these code paths, this patch doesn't cause any behavior difference. Signed-off-by: Tejun Heo Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/wait.h | 9 --------- kernel/wait.c | 14 ++------------ 2 files changed, 2 insertions(+), 21 deletions(-) diff --git a/include/linux/wait.h b/include/linux/wait.h index 0081147a9fe8..ef609f842fac 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -108,15 +108,6 @@ static inline int waitqueue_active(wait_queue_head_t *q) return !list_empty(&q->task_list); } -/* - * Used to distinguish between sync and async io wait context: - * sync i/o typically specifies a NULL wait queue entry or a wait - * queue entry bound to a task (current task) to wake up. - * aio specifies a wait queue entry with an async notification - * callback routine, not associated with any task. - */ -#define is_sync_wait(wait) (!(wait) || ((wait)->private)) - extern void add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait); extern void add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t *wait); extern void remove_wait_queue(wait_queue_head_t *q, wait_queue_t *wait); diff --git a/kernel/wait.c b/kernel/wait.c index c275c56cf2d3..cd87131f2fc2 100644 --- a/kernel/wait.c +++ b/kernel/wait.c @@ -72,12 +72,7 @@ prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state) spin_lock_irqsave(&q->lock, flags); if (list_empty(&wait->task_list)) __add_wait_queue(q, wait); - /* - * don't alter the task state if this is just going to - * queue an async wait queue callback - */ - if (is_sync_wait(wait)) - set_current_state(state); + set_current_state(state); spin_unlock_irqrestore(&q->lock, flags); } EXPORT_SYMBOL(prepare_to_wait); @@ -91,12 +86,7 @@ prepare_to_wait_exclusive(wait_queue_head_t *q, wait_queue_t *wait, int state) spin_lock_irqsave(&q->lock, flags); if (list_empty(&wait->task_list)) __add_wait_queue_tail(q, wait); - /* - * don't alter the task state if this is just going to - * queue an async wait queue callback - */ - if (is_sync_wait(wait)) - set_current_state(state); + set_current_state(state); spin_unlock_irqrestore(&q->lock, flags); } EXPORT_SYMBOL(prepare_to_wait_exclusive); -- GitLab From 9ba16087d9f996a93ab6f4453a52a4b24bc1f25c Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 15 Oct 2008 22:01:38 -0700 Subject: [PATCH 5332/6244] Kconfig: eliminate "def_bool n" constructs Using "def_bool n" is pointless, simply using bool here appears more appropriate. Further, retaining such options that don't have a prompt and aren't selected by anything seems also at least questionable. Signed-off-by: Jan Beulich Cc: Ingo Molnar Cc: Tony Luck Cc: Thomas Gleixner Cc: Bartlomiej Zolnierkiewicz Cc: Sam Ravnborg Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/Kconfig | 18 +++++++++--------- arch/ia64/Kconfig | 8 -------- arch/x86/Kconfig | 23 +++++------------------ drivers/ide/Kconfig | 2 +- kernel/time/Kconfig | 1 - lib/Kconfig | 4 ++-- mm/Kconfig | 4 ++-- 7 files changed, 19 insertions(+), 41 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 0267babe5eb9..e6ab550bceb3 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -28,7 +28,7 @@ config OPROFILE_IBS If unsure, say N. config HAVE_OPROFILE - def_bool n + bool config KPROBES bool "Kprobes" @@ -42,7 +42,7 @@ config KPROBES If in doubt, say "N". config HAVE_EFFICIENT_UNALIGNED_ACCESS - def_bool n + bool help Some architectures are unable to perform unaligned accesses without the use of get_unaligned/put_unaligned. Others are @@ -65,13 +65,13 @@ config KRETPROBES depends on KPROBES && HAVE_KRETPROBES config HAVE_IOREMAP_PROT - def_bool n + bool config HAVE_KPROBES - def_bool n + bool config HAVE_KRETPROBES - def_bool n + bool # # An arch should select this if it provides all these things: @@ -89,16 +89,16 @@ config HAVE_KRETPROBES # signal delivery calls tracehook_signal_handler() # config HAVE_ARCH_TRACEHOOK - def_bool n + bool config HAVE_DMA_ATTRS - def_bool n + bool config USE_GENERIC_SMP_HELPERS - def_bool n + bool config HAVE_CLK - def_bool n + bool help The calls support software clock gating and thus are a key power management tool on many systems. diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 48e496fe1e75..3b7aa38254a8 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -60,14 +60,6 @@ config RWSEM_XCHGADD_ALGORITHM bool default y -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - config HUGETLB_PAGE_SIZE_VARIABLE bool depends on HUGETLB_PAGE diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index f65c2744d573..7ccb6e60e60c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -39,10 +39,6 @@ config ARCH_DEFCONFIG default "arch/x86/configs/i386_defconfig" if X86_32 default "arch/x86/configs/x86_64_defconfig" if X86_64 - -config GENERIC_LOCKBREAK - def_bool n - config GENERIC_TIME def_bool y @@ -95,7 +91,7 @@ config GENERIC_HWEIGHT def_bool y config GENERIC_GPIO - def_bool n + bool config ARCH_MAY_HAVE_PC_FDC def_bool y @@ -106,12 +102,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM def_bool X86_XADD -config ARCH_HAS_ILOG2_U32 - def_bool n - -config ARCH_HAS_ILOG2_U64 - def_bool n - config ARCH_HAS_CPU_IDLE_WAIT def_bool y @@ -758,9 +748,8 @@ config I8K Say N otherwise. config X86_REBOOTFIXUPS - def_bool n - prompt "Enable X86 board specific fixups for reboot" - depends on X86_32 && X86 + bool "Enable X86 board specific fixups for reboot" + depends on X86_32 ---help--- This enables chipset and/or board specific fixups to be done in order to get reboot to work correctly. This is only needed on @@ -944,8 +933,7 @@ config HIGHMEM depends on X86_32 && (HIGHMEM64G || HIGHMEM4G) config X86_PAE - def_bool n - prompt "PAE (Physical Address Extension) Support" + bool "PAE (Physical Address Extension) Support" depends on X86_32 && !HIGHMEM4G select RESOURCES_64BIT help @@ -1238,8 +1226,7 @@ config X86_PAT If unsure, say Y. config EFI - def_bool n - prompt "EFI runtime service support" + bool "EFI runtime service support" depends on ACPI ---help--- This enables the kernel to use EFI runtime services that are diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 6c6dd2facede..74a369a6116f 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -4,7 +4,7 @@ # Select HAVE_IDE if IDE is supported config HAVE_IDE - def_bool n + bool menuconfig IDE tristate "ATA/ATAPI/MFM/RLL support" diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig index 8d53106a0a92..95ed42951e0a 100644 --- a/kernel/time/Kconfig +++ b/kernel/time/Kconfig @@ -3,7 +3,6 @@ # config TICK_ONESHOT bool - default n config NO_HZ bool "Tickless System (Dynamic Ticks)" diff --git a/lib/Kconfig b/lib/Kconfig index c7ad7a5b3535..85cf7ea978aa 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -8,10 +8,10 @@ config BITREVERSE tristate config GENERIC_FIND_FIRST_BIT - def_bool n + bool config GENERIC_FIND_NEXT_BIT - def_bool n + bool config CRC_CCITT tristate "CRC-CCITT functions" diff --git a/mm/Kconfig b/mm/Kconfig index 0bd9c2dbb2a0..5585f1293593 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -101,7 +101,7 @@ config HAVE_MEMORY_PRESENT # with gcc 3.4 and later. # config SPARSEMEM_STATIC - def_bool n + bool # # Architecture platforms which require a two level mem_section in SPARSEMEM @@ -113,7 +113,7 @@ config SPARSEMEM_EXTREME depends on SPARSEMEM && !SPARSEMEM_STATIC config SPARSEMEM_VMEMMAP_ENABLE - def_bool n + bool config SPARSEMEM_VMEMMAP bool "Sparse Memory virtual memmap" -- GitLab From 889d51a10712b6fd6175196626de2116858394f4 Mon Sep 17 00:00:00 2001 From: Nye Liu Date: Wed, 15 Oct 2008 22:01:40 -0700 Subject: [PATCH 5333/6244] initramfs: add option to preserve mtime from initramfs cpio images When unpacking the cpio into the initramfs, mtimes are not preserved by default. This patch adds an INITRAMFS_PRESERVE_MTIME option that allows mtimes stored in the cpio image to be used when constructing the initramfs. For embedded applications that run exclusively out of the initramfs, this is invaluable: When building embedded application initramfs images, its nice to know when the files were actually created during the build process - that makes it easier to see what files were modified when so we can compare the files that are being used on the image with the files used during the build process. This might help (for example) to determine if the target system has all the updated files you expect to see w/o having to check MD5s etc. In our environment, the whole system runs off the initramfs partition, and seeing the modified times of the shared libraries (for example) helps us find bugs that may have been introduced by the build system incorrectly propogating outdated shared libraries into the image. Similarly, many of the initializion/configuration files in /etc might be dynamically built by the build system, and knowing when they were modified helps us sanity check whether the target system has the "latest" files etc. Finally, we might use last modified times to determine whether a hot fix should be applied or not to the running ramfs. Signed-off-by: Nye Liu Cc: Al Viro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- init/initramfs.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/init/initramfs.c b/init/initramfs.c index 644fc01ad5f0..4f5ba75aaa7c 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -6,6 +6,7 @@ #include #include #include +#include static __initdata char *message; static void __init error(char *x) @@ -72,6 +73,49 @@ static void __init free_hash(void) } } +static long __init do_utime(char __user *filename, time_t mtime) +{ + struct timespec t[2]; + + t[0].tv_sec = mtime; + t[0].tv_nsec = 0; + t[1].tv_sec = mtime; + t[1].tv_nsec = 0; + + return do_utimes(AT_FDCWD, filename, t, AT_SYMLINK_NOFOLLOW); +} + +static __initdata LIST_HEAD(dir_list); +struct dir_entry { + struct list_head list; + char *name; + time_t mtime; +}; + +static void __init dir_add(const char *name, time_t mtime) +{ + struct dir_entry *de = kmalloc(sizeof(struct dir_entry), GFP_KERNEL); + if (!de) + panic("can't allocate dir_entry buffer"); + INIT_LIST_HEAD(&de->list); + de->name = kstrdup(name, GFP_KERNEL); + de->mtime = mtime; + list_add(&de->list, &dir_list); +} + +static void __init dir_utime(void) +{ + struct dir_entry *de, *tmp; + list_for_each_entry_safe(de, tmp, &dir_list, list) { + list_del(&de->list); + do_utime(de->name, de->mtime); + kfree(de->name); + kfree(de); + } +} + +static __initdata time_t mtime; + /* cpio header parsing */ static __initdata unsigned long ino, major, minor, nlink; @@ -97,6 +141,7 @@ static void __init parse_header(char *s) uid = parsed[2]; gid = parsed[3]; nlink = parsed[4]; + mtime = parsed[5]; body_len = parsed[6]; major = parsed[7]; minor = parsed[8]; @@ -130,6 +175,7 @@ static inline void __init eat(unsigned n) count -= n; } +static __initdata char *vcollected; static __initdata char *collected; static __initdata int remains; static __initdata char *collect; @@ -271,6 +317,7 @@ static int __init do_name(void) if (wfd >= 0) { sys_fchown(wfd, uid, gid); sys_fchmod(wfd, mode); + vcollected = kstrdup(collected, GFP_KERNEL); state = CopyFile; } } @@ -278,12 +325,14 @@ static int __init do_name(void) sys_mkdir(collected, mode); sys_chown(collected, uid, gid); sys_chmod(collected, mode); + dir_add(collected, mtime); } else if (S_ISBLK(mode) || S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) { if (maybe_link() == 0) { sys_mknod(collected, mode, rdev); sys_chown(collected, uid, gid); sys_chmod(collected, mode); + do_utime(collected, mtime); } } return 0; @@ -294,6 +343,8 @@ static int __init do_copy(void) if (count >= body_len) { sys_write(wfd, victim, body_len); sys_close(wfd); + do_utime(vcollected, mtime); + kfree(vcollected); eat(body_len); state = SkipIt; return 0; @@ -311,6 +362,7 @@ static int __init do_symlink(void) clean_path(collected, 0); sys_symlink(collected + N_ALIGN(name_len), collected); sys_lchown(collected, uid, gid); + do_utime(collected, mtime); state = SkipIt; next_state = Reset; return 0; @@ -466,6 +518,7 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only) buf += inptr; len -= inptr; } + dir_utime(); kfree(window); kfree(name_buf); kfree(symlink_buf); -- GitLab From 25ddbb18aae33ad255eb9f35aacebe3af01e1e9c Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 15 Oct 2008 22:01:41 -0700 Subject: [PATCH 5334/6244] Make the taint flags reliable It's somewhat unlikely that it happens, but right now a race window between interrupts or machine checks or oopses could corrupt the tainted bitmap because it is modified in a non atomic fashion. Convert the taint variable to an unsigned long and use only atomic bit operations on it. Unfortunately this means the intvec sysctl functions cannot be used on it anymore. It turned out the taint sysctl handler could actually be simplified a bit (since it only increases capabilities) so this patch actually removes code. [akpm@linux-foundation.org: remove unneeded include] Signed-off-by: Andi Kleen Cc: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/smpboot.c | 14 ++++---- include/linux/kernel.h | 25 ++++++++------- kernel/module.c | 12 +++---- kernel/panic.c | 63 ++++++++++++++++++++++++++---------- kernel/softlockup.c | 2 +- kernel/sysctl.c | 67 ++++++++++++++++----------------------- 6 files changed, 101 insertions(+), 82 deletions(-) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 8c3aca7cb343..7ed9e070a6e9 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -282,6 +282,8 @@ static void __cpuinit smp_callin(void) cpu_set(cpuid, cpu_callin_map); } +static int __cpuinitdata unsafe_smp; + /* * Activate a secondary processor. */ @@ -397,7 +399,7 @@ static void __cpuinit smp_apply_quirks(struct cpuinfo_x86 *c) goto valid_k7; /* If we get here, not a certified SMP capable AMD system. */ - add_taint(TAINT_UNSAFE_SMP); + unsafe_smp = 1; } valid_k7: @@ -414,12 +416,10 @@ static void __cpuinit smp_checks(void) * Don't taint if we are running SMP kernel on a single non-MP * approved Athlon */ - if (tainted & TAINT_UNSAFE_SMP) { - if (num_online_cpus()) - printk(KERN_INFO "WARNING: This combination of AMD" - "processors is not suitable for SMP.\n"); - else - tainted &= ~TAINT_UNSAFE_SMP; + if (unsafe_smp && num_online_cpus() > 1) { + printk(KERN_INFO "WARNING: This combination of AMD" + "processors is not suitable for SMP.\n"); + add_taint(TAINT_UNSAFE_SMP); } } diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 75d81f157d2e..e971c55f45ac 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -235,9 +235,10 @@ extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in extern int panic_timeout; extern int panic_on_oops; extern int panic_on_unrecovered_nmi; -extern int tainted; extern const char *print_tainted(void); -extern void add_taint(unsigned); +extern void add_taint(unsigned flag); +extern int test_taint(unsigned flag); +extern unsigned long get_taint(void); extern int root_mountflags; /* Values used for system_state */ @@ -250,16 +251,16 @@ extern enum system_states { SYSTEM_SUSPEND_DISK, } system_state; -#define TAINT_PROPRIETARY_MODULE (1<<0) -#define TAINT_FORCED_MODULE (1<<1) -#define TAINT_UNSAFE_SMP (1<<2) -#define TAINT_FORCED_RMMOD (1<<3) -#define TAINT_MACHINE_CHECK (1<<4) -#define TAINT_BAD_PAGE (1<<5) -#define TAINT_USER (1<<6) -#define TAINT_DIE (1<<7) -#define TAINT_OVERRIDDEN_ACPI_TABLE (1<<8) -#define TAINT_WARN (1<<9) +#define TAINT_PROPRIETARY_MODULE 0 +#define TAINT_FORCED_MODULE 1 +#define TAINT_UNSAFE_SMP 2 +#define TAINT_FORCED_RMMOD 3 +#define TAINT_MACHINE_CHECK 4 +#define TAINT_BAD_PAGE 5 +#define TAINT_USER 6 +#define TAINT_DIE 7 +#define TAINT_OVERRIDDEN_ACPI_TABLE 8 +#define TAINT_WARN 9 extern void dump_stack(void) __cold; diff --git a/kernel/module.c b/kernel/module.c index 9db11911e04b..dd9ac6ad5cb9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -100,7 +100,7 @@ static inline int strong_try_module_get(struct module *mod) static inline void add_taint_module(struct module *mod, unsigned flag) { add_taint(flag); - mod->taints |= flag; + mod->taints |= (1U << flag); } /* @@ -923,7 +923,7 @@ static const char vermagic[] = VERMAGIC_STRING; static int try_to_force_load(struct module *mod, const char *symname) { #ifdef CONFIG_MODULE_FORCE_LOAD - if (!(tainted & TAINT_FORCED_MODULE)) + if (!test_taint(TAINT_FORCED_MODULE)) printk("%s: no version for \"%s\" found: kernel tainted.\n", mod->name, symname); add_taint_module(mod, TAINT_FORCED_MODULE); @@ -1033,7 +1033,7 @@ static unsigned long resolve_symbol(Elf_Shdr *sechdrs, const unsigned long *crc; ret = find_symbol(name, &owner, &crc, - !(mod->taints & TAINT_PROPRIETARY_MODULE), true); + !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true); if (!IS_ERR_VALUE(ret)) { /* use_module can fail due to OOM, or module initialization or unloading */ @@ -1634,7 +1634,7 @@ static void set_license(struct module *mod, const char *license) license = "unspecified"; if (!license_is_gpl_compatible(license)) { - if (!(tainted & TAINT_PROPRIETARY_MODULE)) + if (!test_taint(TAINT_PROPRIETARY_MODULE)) printk(KERN_WARNING "%s: module license '%s' taints " "kernel.\n", mod->name, license); add_taint_module(mod, TAINT_PROPRIETARY_MODULE); @@ -2552,9 +2552,9 @@ static char *module_flags(struct module *mod, char *buf) mod->state == MODULE_STATE_GOING || mod->state == MODULE_STATE_COMING) { buf[bx++] = '('; - if (mod->taints & TAINT_PROPRIETARY_MODULE) + if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE)) buf[bx++] = 'P'; - if (mod->taints & TAINT_FORCED_MODULE) + if (mod->taints & (1 << TAINT_FORCED_MODULE)) buf[bx++] = 'F'; /* * TAINT_FORCED_RMMOD: could be added. diff --git a/kernel/panic.c b/kernel/panic.c index 12c5a0a6c89b..028013f7afd4 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -23,7 +23,7 @@ #include int panic_on_oops; -int tainted; +static unsigned long tainted_mask; static int pause_on_oops; static int pause_on_oops_flag; static DEFINE_SPINLOCK(pause_on_oops_lock); @@ -159,31 +159,60 @@ EXPORT_SYMBOL(panic); * The string is overwritten by the next call to print_taint(). */ +struct tnt { + u8 bit; + char true; + char false; +}; + +static const struct tnt tnts[] = { + { TAINT_PROPRIETARY_MODULE, 'P', 'G' }, + { TAINT_FORCED_MODULE, 'F', ' ' }, + { TAINT_UNSAFE_SMP, 'S', ' ' }, + { TAINT_FORCED_RMMOD, 'R', ' ' }, + { TAINT_MACHINE_CHECK, 'M', ' ' }, + { TAINT_BAD_PAGE, 'B', ' ' }, + { TAINT_USER, 'U', ' ' }, + { TAINT_DIE, 'D', ' ' }, + { TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' }, + { TAINT_WARN, 'W', ' ' }, +}; + const char *print_tainted(void) { - static char buf[20]; - if (tainted) { - snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c", - tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G', - tainted & TAINT_FORCED_MODULE ? 'F' : ' ', - tainted & TAINT_UNSAFE_SMP ? 'S' : ' ', - tainted & TAINT_FORCED_RMMOD ? 'R' : ' ', - tainted & TAINT_MACHINE_CHECK ? 'M' : ' ', - tainted & TAINT_BAD_PAGE ? 'B' : ' ', - tainted & TAINT_USER ? 'U' : ' ', - tainted & TAINT_DIE ? 'D' : ' ', - tainted & TAINT_OVERRIDDEN_ACPI_TABLE ? 'A' : ' ', - tainted & TAINT_WARN ? 'W' : ' '); - } - else + static char buf[ARRAY_SIZE(tnts) + sizeof("Tainted: ") + 1]; + + if (tainted_mask) { + char *s; + int i; + + s = buf + sprintf(buf, "Tainted: "); + for (i = 0; i < ARRAY_SIZE(tnts); i++) { + const struct tnt *t = &tnts[i]; + *s++ = test_bit(t->bit, &tainted_mask) ? + t->true : t->false; + } + *s = 0; + } else snprintf(buf, sizeof(buf), "Not tainted"); return(buf); } +int test_taint(unsigned flag) +{ + return test_bit(flag, &tainted_mask); +} +EXPORT_SYMBOL(test_taint); + +unsigned long get_taint(void) +{ + return tainted_mask; +} + void add_taint(unsigned flag) { debug_locks = 0; /* can't trust the integrity of the kernel anymore */ - tainted |= flag; + set_bit(flag, &tainted_mask); } EXPORT_SYMBOL(add_taint); diff --git a/kernel/softlockup.c b/kernel/softlockup.c index cb838ee93a82..3953e4aed733 100644 --- a/kernel/softlockup.c +++ b/kernel/softlockup.c @@ -226,7 +226,7 @@ static void check_hung_uninterruptible_tasks(int this_cpu) * If the system crashed already then all bets are off, * do not report extra hung tasks: */ - if ((tainted & TAINT_DIE) || did_panic) + if (test_taint(TAINT_DIE) || did_panic) return; read_lock(&tasklist_lock); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index cfc5295f1e82..ec88fcc9a0d2 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -149,7 +149,7 @@ extern int max_lock_depth; #ifdef CONFIG_PROC_SYSCTL static int proc_do_cad_pid(struct ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos); -static int proc_dointvec_taint(struct ctl_table *table, int write, struct file *filp, +static int proc_taint(struct ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos); #endif @@ -379,10 +379,9 @@ static struct ctl_table kern_table[] = { #ifdef CONFIG_PROC_SYSCTL { .procname = "tainted", - .data = &tainted, - .maxlen = sizeof(int), + .maxlen = sizeof(long), .mode = 0644, - .proc_handler = &proc_dointvec_taint, + .proc_handler = &proc_taint, }, #endif #ifdef CONFIG_LATENCYTOP @@ -2228,49 +2227,39 @@ int proc_dointvec(struct ctl_table *table, int write, struct file *filp, NULL,NULL); } -#define OP_SET 0 -#define OP_AND 1 -#define OP_OR 2 - -static int do_proc_dointvec_bset_conv(int *negp, unsigned long *lvalp, - int *valp, - int write, void *data) -{ - int op = *(int *)data; - if (write) { - int val = *negp ? -*lvalp : *lvalp; - switch(op) { - case OP_SET: *valp = val; break; - case OP_AND: *valp &= val; break; - case OP_OR: *valp |= val; break; - } - } else { - int val = *valp; - if (val < 0) { - *negp = -1; - *lvalp = (unsigned long)-val; - } else { - *negp = 0; - *lvalp = (unsigned long)val; - } - } - return 0; -} - /* - * Taint values can only be increased + * Taint values can only be increased + * This means we can safely use a temporary. */ -static int proc_dointvec_taint(struct ctl_table *table, int write, struct file *filp, +static int proc_taint(struct ctl_table *table, int write, struct file *filp, void __user *buffer, size_t *lenp, loff_t *ppos) { - int op; + struct ctl_table t; + unsigned long tmptaint = get_taint(); + int err; if (write && !capable(CAP_SYS_ADMIN)) return -EPERM; - op = OP_OR; - return do_proc_dointvec(table,write,filp,buffer,lenp,ppos, - do_proc_dointvec_bset_conv,&op); + t = *table; + t.data = &tmptaint; + err = proc_doulongvec_minmax(&t, write, filp, buffer, lenp, ppos); + if (err < 0) + return err; + + if (write) { + /* + * Poor man's atomic or. Not worth adding a primitive + * to everyone's atomic.h for this + */ + int i; + for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) { + if ((tmptaint >> i) & 1) + add_taint(i); + } + } + + return err; } struct do_proc_dointvec_minmax_conv_param { -- GitLab From b4236f81f2347096df650fb072f50d67bb6066a2 Mon Sep 17 00:00:00 2001 From: Naohiro Ooiwa Date: Wed, 15 Oct 2008 22:01:43 -0700 Subject: [PATCH 5335/6244] sysrq: add enable_mask in sysrq_moom_op It is written in the Documentation/sysrq.txt that oom-killer is enabled when we set "64" in /proc/sys/kernel/sysrq: Here is the list of possible values in /proc/sys/kernel/sysrq: 64 - enable signalling of processes (term, kill, oom-kill) ^^^^^^^^ but enable_mask is not set in sysrq_moom_op. Signed-off-by: Naohiro Ooiwa Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/sysrq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 8fdfe9c871e3..2aa79ab1930d 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -326,6 +326,7 @@ static struct sysrq_key_op sysrq_moom_op = { .handler = sysrq_handle_moom, .help_msg = "Full", .action_msg = "Manual OOM execution", + .enable_mask = SYSRQ_ENABLE_SIGNAL, }; static void sysrq_handle_kill(int key, struct tty_struct *tty) -- GitLab From 0c2d64fb6cae9aae480f6a46cfe79f8d7d48b59f Mon Sep 17 00:00:00 2001 From: Adam Tkac Date: Wed, 15 Oct 2008 22:01:45 -0700 Subject: [PATCH 5336/6244] rlimit: permit setting RLIMIT_NOFILE to RLIM_INFINITY When a process wants to set the limit of open files to RLIM_INFINITY it gets EPERM even if it has CAP_SYS_RESOURCE capability. For example, BIND does: ... #elif defined(NR_OPEN) && defined(__linux__) /* * Some Linux kernels don't accept RLIM_INFINIT; the maximum * possible value is the NR_OPEN defined in linux/fs.h. */ if (resource == isc_resource_openfiles && rlim_value == RLIM_INFINITY) { rl.rlim_cur = rl.rlim_max = NR_OPEN; unixresult = setrlimit(unixresource, &rl); if (unixresult == 0) return (ISC_R_SUCCESS); } #elif ... If we allow setting RLIMIT_NOFILE to RLIM_INFINITY we increase portability - you don't have to check if OS is linux and then use different schema for limits. The spec says "Specifying RLIM_INFINITY as any resource limit value on a successful call to setrlimit() shall inhibit enforcement of that resource limit." and we're presently not doing that. Cc: Michael Kerrisk Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/sys.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/kernel/sys.c b/kernel/sys.c index 234d9454294e..d5b79f65ad9b 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1450,14 +1450,22 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim) return -EINVAL; if (copy_from_user(&new_rlim, rlim, sizeof(*rlim))) return -EFAULT; - if (new_rlim.rlim_cur > new_rlim.rlim_max) - return -EINVAL; old_rlim = current->signal->rlim + resource; if ((new_rlim.rlim_max > old_rlim->rlim_max) && !capable(CAP_SYS_RESOURCE)) return -EPERM; - if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > sysctl_nr_open) - return -EPERM; + + if (resource == RLIMIT_NOFILE) { + if (new_rlim.rlim_max == RLIM_INFINITY) + new_rlim.rlim_max = sysctl_nr_open; + if (new_rlim.rlim_cur == RLIM_INFINITY) + new_rlim.rlim_cur = sysctl_nr_open; + if (new_rlim.rlim_max > sysctl_nr_open) + return -EPERM; + } + + if (new_rlim.rlim_cur > new_rlim.rlim_max) + return -EINVAL; retval = security_task_setrlimit(resource, &new_rlim); if (retval) -- GitLab From 22b8ce94708f7cdf0b04965c6f7443dfd374c35c Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Wed, 15 Oct 2008 22:01:46 -0700 Subject: [PATCH 5337/6244] profiling: dynamically enable readprofile at runtime Way too often, I have a machine that exhibits some kind of crappy behavior. The CPU looks wedged in the kernel or it is spending way too much system time and I wonder what is responsible. I try to run readprofile. But, of course, Ubuntu doesn't enable it by default. Dang! The reason we boot-time enable it is that it takes a big bufffer that we generally can only bootmem alloc. But, does it hurt to at least try and runtime-alloc it? To use: echo 2 > /sys/kernel/profile Then run readprofile like normal. This should fix the compile issue with allmodconfig. I've compile-tested on a bunch more configs now including a few more architectures. Signed-off-by: Dave Hansen Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/ABI/testing/sysfs-profiling | 13 +++++++ include/linux/profile.h | 8 +++-- kernel/ksysfs.c | 35 +++++++++++++++++++ kernel/profile.c | 41 +++++++++++++++++------ 4 files changed, 84 insertions(+), 13 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-profiling diff --git a/Documentation/ABI/testing/sysfs-profiling b/Documentation/ABI/testing/sysfs-profiling new file mode 100644 index 000000000000..b02d8b8c173a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-profiling @@ -0,0 +1,13 @@ +What: /sys/kernel/profile +Date: September 2008 +Contact: Dave Hansen +Description: + /sys/kernel/profile is the runtime equivalent + of the boot-time profile= option. + + You can get the same effect running: + + echo 2 > /sys/kernel/profile + + as you would by issuing profile=2 on the boot + command line. diff --git a/include/linux/profile.h b/include/linux/profile.h index 7e7087239af5..570045053ce9 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -35,7 +35,9 @@ enum profile_type { extern int prof_on __read_mostly; /* init basic kernel profiler */ -void __init profile_init(void); +int profile_init(void); +int profile_setup(char *str); +int create_proc_profile(void); void profile_tick(int type); /* @@ -84,9 +86,9 @@ struct pt_regs; #define prof_on 0 -static inline void profile_init(void) +static inline int profile_init(void) { - return; + return 0; } static inline void profile_tick(int type) diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c index e53bc30e9ba5..08dd8ed86c77 100644 --- a/kernel/ksysfs.c +++ b/kernel/ksysfs.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #define KERNEL_ATTR_RO(_name) \ @@ -53,6 +54,37 @@ static ssize_t uevent_helper_store(struct kobject *kobj, KERNEL_ATTR_RW(uevent_helper); #endif +#ifdef CONFIG_PROFILING +static ssize_t profiling_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", prof_on); +} +static ssize_t profiling_store(struct kobject *kobj, + struct kobj_attribute *attr, + const char *buf, size_t count) +{ + int ret; + + if (prof_on) + return -EEXIST; + /* + * This eventually calls into get_option() which + * has a ton of callers and is not const. It is + * easiest to cast it away here. + */ + profile_setup((char *)buf); + ret = profile_init(); + if (ret) + return ret; + ret = create_proc_profile(); + if (ret) + return ret; + return count; +} +KERNEL_ATTR_RW(profiling); +#endif + #ifdef CONFIG_KEXEC static ssize_t kexec_loaded_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) @@ -109,6 +141,9 @@ static struct attribute * kernel_attrs[] = { &uevent_seqnum_attr.attr, &uevent_helper_attr.attr, #endif +#ifdef CONFIG_PROFILING + &profiling_attr.attr, +#endif #ifdef CONFIG_KEXEC &kexec_loaded_attr.attr, &kexec_crash_loaded_attr.attr, diff --git a/kernel/profile.c b/kernel/profile.c index cd26bed4cc26..a9e422df6bf6 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #include #include #include @@ -50,11 +52,11 @@ static DEFINE_PER_CPU(int, cpu_profile_flip); static DEFINE_MUTEX(profile_flip_mutex); #endif /* CONFIG_SMP */ -static int __init profile_setup(char *str) +int profile_setup(char *str) { - static char __initdata schedstr[] = "schedule"; - static char __initdata sleepstr[] = "sleep"; - static char __initdata kvmstr[] = "kvm"; + static char schedstr[] = "schedule"; + static char sleepstr[] = "sleep"; + static char kvmstr[] = "kvm"; int par; if (!strncmp(str, sleepstr, strlen(sleepstr))) { @@ -100,14 +102,33 @@ static int __init profile_setup(char *str) __setup("profile=", profile_setup); -void __init profile_init(void) +int profile_init(void) { + int buffer_bytes; if (!prof_on) - return; + return 0; /* only text is profiled */ prof_len = (_etext - _stext) >> prof_shift; - prof_buffer = alloc_bootmem(prof_len*sizeof(atomic_t)); + buffer_bytes = prof_len*sizeof(atomic_t); + if (!slab_is_available()) { + prof_buffer = alloc_bootmem(buffer_bytes); + return 0; + } + + prof_buffer = kzalloc(buffer_bytes, GFP_KERNEL); + if (prof_buffer) + return 0; + + prof_buffer = alloc_pages_exact(buffer_bytes, GFP_KERNEL|__GFP_ZERO); + if (prof_buffer) + return 0; + + prof_buffer = vmalloc(buffer_bytes); + if (prof_buffer) + return 0; + + return -ENOMEM; } /* Profile event notifications */ @@ -527,7 +548,7 @@ static void __init profile_nop(void *unused) { } -static int __init create_hash_tables(void) +static int create_hash_tables(void) { int cpu; @@ -575,14 +596,14 @@ out_cleanup: #define create_hash_tables() ({ 0; }) #endif -static int __init create_proc_profile(void) +int create_proc_profile(void) { struct proc_dir_entry *entry; if (!prof_on) return 0; if (create_hash_tables()) - return -1; + return -ENOMEM; entry = proc_create("profile", S_IWUSR | S_IRUGO, NULL, &proc_profile_operations); if (!entry) -- GitLab From 1c828320d2e063dd1ec84e873e6399bfc3d85d6f Mon Sep 17 00:00:00 2001 From: Shane McDonald Date: Wed, 15 Oct 2008 22:01:46 -0700 Subject: [PATCH 5338/6244] doc: typo in Documentation/filesystems/nfsroot.txt Add a missing word to the explanation of the purpose of the zdisk and bzdisk make targets. Signed-off-by: Shane McDonald Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/nfsroot.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/filesystems/nfsroot.txt b/Documentation/filesystems/nfsroot.txt index 31b329172343..68baddf3c3e0 100644 --- a/Documentation/filesystems/nfsroot.txt +++ b/Documentation/filesystems/nfsroot.txt @@ -169,7 +169,7 @@ They depend on various facilities being available: 3.1) Booting from a floppy using syslinux When building kernels, an easy way to create a boot floppy that uses - syslinux is to use the zdisk or bzdisk make targets which use + syslinux is to use the zdisk or bzdisk make targets which use zimage and bzimage images respectively. Both targets accept the FDARGS parameter which can be used to set the kernel command line. -- GitLab From 929f37cb3c3e0f4d23d7106693b7067cf72f4dbc Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 15 Oct 2008 22:01:48 -0700 Subject: [PATCH 5339/6244] dontdiff: more updates to be closer to gitignore defkeymap.c_shipped should be diffed if it is changed. Reported-by: Mike Galbraith COPYING, CREDITS, .mailmap should be diffed if they are changed. keywords.c_shipped & lex.c_shipped should be diffed when changed. parse.[ch]_shipped should be diffed when changed. Reported-by: Sam Ravnborg vsyscall* updates from a .gitignore patch by "Denis V. Lunev" . *.so.dbg from a .gitignore patch by Thomas Gleixner . binoffset from a .gitignore patch by Uwe Kleine-Koenig . Module.markers from a .gitignore patch by Matthew Wilcox . vmlinux*.lds* should be diffed if changed. Reported-by: Etienne Lorrain vmlinux.lds from a .gitignore patch by Daniel Guilak . *.scr should be diffed if changed. Lots of updates from http://lkml.org/lkml/2008/5/20/32 Reported-by: Bart Van Assche Use ncscope.* instead of *cscope* since the latter may catch too many files. Add *.elf, from a .gitignore patch by Eduard - Gabriel Munteanu . Make firmware entries match .gitignore entries. Make some entries less greedy by removing trailing '*'. Remove "make_times_h" (no such file). Remove "filelist" (no such file). Remove "dummy_sym.c" (no such file). Remove "gen-kdb_cmds.c" (no such file). Remove "gentbl" (no such file). Remove "kconfig.tk" (no such file). Remove "tkparse" (no such file). Remove "sim710_d.h" (no such file). Remove "53c8xx_d.h" (no such file). Add "syscalltab.h" (generated file). Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/dontdiff | 59 +++++++++++++++++++++++------------------- 1 file changed, 33 insertions(+), 26 deletions(-) diff --git a/Documentation/dontdiff b/Documentation/dontdiff index 27809357da58..1e89a51ea49b 100644 --- a/Documentation/dontdiff +++ b/Documentation/dontdiff @@ -2,11 +2,13 @@ *.aux *.bin *.cpio -*.css +*.csp +*.dsp *.dvi +*.elf *.eps -*.fw.gen.S *.fw +*.gen.S *.gif *.grep *.grp @@ -30,6 +32,7 @@ *.s *.sgml *.so +*.so.dbg *.symtypes *.tab.c *.tab.h @@ -38,24 +41,17 @@ *.xml *_MODULES *_vga16.c -*cscope* *~ *.9 *.9.gz .* -.cscope -.gitignore -.mailmap .mm 53c700_d.h -53c8xx_d.h* -COPYING -CREDITS CVS ChangeSet Image Kerntypes -MODS.txt +Module.markers Module.symvers PENDING SCCS @@ -73,7 +69,9 @@ autoconf.h* bbootsect bin2c binkernel.spec +binoffset bootsect +bounds.h bsetup btfixupprep build @@ -89,39 +87,36 @@ config_data.h* config_data.gz* conmakehash consolemap_deftbl.c* +cpustr.h crc32table.h* cscope.* -defkeymap.c* +defkeymap.c devlist.h* docproc -dummy_sym.c* elf2ecoff elfconfig.h* -filelist fixdep fore200e_mkfirm fore200e_pca_fw.c* gconf gen-devlist -gen-kdb_cmds.c* gen_crc32table gen_init_cpio genksyms -gentbl *_gray256.c +ihex2fw ikconfig.h* initramfs_data.cpio initramfs_data.cpio.gz initramfs_list kallsyms kconfig -kconfig.tk -keywords.c* +keywords.c ksym.c* ksym.h* kxgettext lkc_defs.h -lex.c* +lex.c lex.*.c logo_*.c logo_*_clut224.c @@ -130,7 +125,6 @@ lxdialog mach-types mach-types.h machtypes.h -make_times_h map maui_boot.h mconf @@ -138,6 +132,7 @@ miboot* mk_elfconfig mkboot mkbugboot +mkcpustr mkdep mkprep mktables @@ -145,11 +140,12 @@ mktree modpost modules.order modversions.h* +ncscope.* offset.h offsets.h oui.c* -parse.c* -parse.h* +parse.c +parse.h patches* pca200e.bin pca200e_ecd.bin2 @@ -157,7 +153,7 @@ piggy.gz piggyback pnmtologo ppc_defs.h* -promcon_tbl.c* +promcon_tbl.c pss_boot.h qconf raid6altivec*.c @@ -168,27 +164,38 @@ series setup setup.bin setup.elf -sim710_d.h* sImage sm_tbl* split-include +syscalltab.h tags tftpboot.img timeconst.h times.h* -tkparse trix_boot.h utsrelease.h* +vdso-syms.lds vdso.lds +vdso32-int80-syms.lds +vdso32-syms.lds +vdso32-syscall-syms.lds +vdso32-sysenter-syms.lds +vdso32.lds +vdso32.so.dbg +vdso64.lds +vdso64.so.dbg version.h* vmlinux vmlinux-* vmlinux.aout -vmlinux*.lds* -vmlinux*.scr +vmlinux.lds vsyscall.lds +vsyscall_32.lds wanxlfw.inc uImage unifdef +wakeup.bin +wakeup.elf +wakeup.lds zImage* zconf.hash.c -- GitLab From 87988815073918134c0dae059cf247a4472d78ed Mon Sep 17 00:00:00 2001 From: Vegard Nossum Date: Wed, 15 Oct 2008 22:01:51 -0700 Subject: [PATCH 5340/6244] utsname: completely overwrite prior information On sethostname() and setdomainname(), previous information may be retained if it was longer than than the new hostname/domainname. This can be demonstrated trivially by calling sethostname() first with a long name, then with a short name, and then calling uname() to retrieve the full buffer that contains the hostname (and possibly parts of the old hostname), one just has to look past the terminating zero. I don't know if we should really care that much (hence the RFC); the only scenarios I can possibly think of is administrator putting something sensitive in the hostname (or domain name) by accident, and changing it back will not undo the mistake entirely, though it's not like we can recover gracefully from "rm -rf /" either... The other scenario is namespaces (CLONE_NEWUTS) where some information may be unintentionally "inherited" from the previous namespace (a program wants to hide the original name and does clone + sethostname, but some information is still left). I think the patch may be defended on grounds of the principle of least surprise. But I am not adamant :-) (I guess the question now is whether userspace should be able to write embedded NULs into the buffer or not...) At least the observation has been made and the patch has been presented. Signed-off-by: Vegard Nossum Cc: "Eric W. Biederman" Cc: "Serge E. Hallyn" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/sys.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/kernel/sys.c b/kernel/sys.c index d5b79f65ad9b..558b035965aa 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1350,7 +1350,8 @@ asmlinkage long sys_sethostname(char __user *name, int len) errno = -EFAULT; if (!copy_from_user(tmp, name, len)) { memcpy(utsname()->nodename, tmp, len); - utsname()->nodename[len] = 0; + memset(utsname()->nodename + len, 0, + sizeof(utsname()->nodename) - len); errno = 0; } up_write(&uts_sem); @@ -1396,7 +1397,8 @@ asmlinkage long sys_setdomainname(char __user *name, int len) errno = -EFAULT; if (!copy_from_user(tmp, name, len)) { memcpy(utsname()->domainname, tmp, len); - utsname()->domainname[len] = 0; + memset(utsname()->domainname + len, 0, + sizeof(utsname()->domainname) - len); errno = 0; } up_write(&uts_sem); -- GitLab From 9679e4dd628743b9ef4375d60ae69923c3766173 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 15 Oct 2008 22:01:51 -0700 Subject: [PATCH 5341/6244] kernel/sys.c: improve code generation utsname() is quite expensive to calculate. Cache it in a local. text data bss dec hex filename before: 11136 720 16 11872 2e60 kernel/sys.o after: 11096 720 16 11832 2e38 kernel/sys.o Acked-by: Vegard Nossum Cc: "Eric W. Biederman" Acked-by: "Serge E. Hallyn" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/sys.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/kernel/sys.c b/kernel/sys.c index 558b035965aa..0bc8fa3c2288 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1349,9 +1349,10 @@ asmlinkage long sys_sethostname(char __user *name, int len) down_write(&uts_sem); errno = -EFAULT; if (!copy_from_user(tmp, name, len)) { - memcpy(utsname()->nodename, tmp, len); - memset(utsname()->nodename + len, 0, - sizeof(utsname()->nodename) - len); + struct new_utsname *u = utsname(); + + memcpy(u->nodename, tmp, len); + memset(u->nodename + len, 0, sizeof(u->nodename) - len); errno = 0; } up_write(&uts_sem); @@ -1363,15 +1364,17 @@ asmlinkage long sys_sethostname(char __user *name, int len) asmlinkage long sys_gethostname(char __user *name, int len) { int i, errno; + struct new_utsname *u; if (len < 0) return -EINVAL; down_read(&uts_sem); - i = 1 + strlen(utsname()->nodename); + u = utsname(); + i = 1 + strlen(u->nodename); if (i > len) i = len; errno = 0; - if (copy_to_user(name, utsname()->nodename, i)) + if (copy_to_user(name, u->nodename, i)) errno = -EFAULT; up_read(&uts_sem); return errno; @@ -1396,9 +1399,10 @@ asmlinkage long sys_setdomainname(char __user *name, int len) down_write(&uts_sem); errno = -EFAULT; if (!copy_from_user(tmp, name, len)) { - memcpy(utsname()->domainname, tmp, len); - memset(utsname()->domainname + len, 0, - sizeof(utsname()->domainname) - len); + struct new_utsname *u = utsname(); + + memcpy(u->domainname, tmp, len); + memset(u->domainname + len, 0, sizeof(u->domainname) - len); errno = 0; } up_write(&uts_sem); -- GitLab From 362e6663ef2369d77251496d865ad02a2376f962 Mon Sep 17 00:00:00 2001 From: Jason Baron Date: Wed, 15 Oct 2008 22:01:52 -0700 Subject: [PATCH 5342/6244] exec.c, compat.c: fix count(), compat_count() bounds checking With MAX_ARG_STRINGS set to 0x7FFFFFFF, and being passed to 'count()' and compat_count(), it would appear that the current max bounds check of fs/exec.c:394: if(++i > max) return -E2BIG; would never trigger. Since 'i' is of type int, so values would wrap and the function would continue looping. Simple fix seems to be chaning ++i to i++ and checking for '>='. Signed-off-by: Jason Baron Acked-by: Peter Zijlstra Cc: "Ollie Wild" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/compat.c | 2 +- fs/exec.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/compat.c b/fs/compat.c index 075d0509970d..aae13d31612f 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1239,7 +1239,7 @@ static int compat_count(compat_uptr_t __user *argv, int max) if (!p) break; argv++; - if(++i > max) + if (i++ >= max) return -E2BIG; } } diff --git a/fs/exec.c b/fs/exec.c index cecee501ce78..7b5ed50eadeb 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -391,7 +391,7 @@ static int count(char __user * __user * argv, int max) if (!p) break; argv++; - if(++i > max) + if (i++ >= max) return -E2BIG; cond_resched(); } -- GitLab From d133181d873255cb071f8b19c4b2c1f326c2de95 Mon Sep 17 00:00:00 2001 From: Alberto Bertogli Date: Wed, 15 Oct 2008 22:01:53 -0700 Subject: [PATCH 5343/6244] Fix typo in the FIRMWARE_IN_KERNEL help Signed-off-by: Alberto Bertogli Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 6318f6b57360..d8e8c49c0cbd 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -54,7 +54,7 @@ config FIRMWARE_IN_KERNEL such firmware, and do not wish to use an initrd. This single option controls the inclusion of firmware for - every driver which usees request_firmare() and ships its + every driver which uses request_firmare() and ships its firmware in the kernel source tree, to avoid a proliferation of 'Include firmware for xxx device' options. -- GitLab From 8b6e47ad062e6ac993fb80256344fc499c1e827b Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Wed, 15 Oct 2008 22:01:55 -0700 Subject: [PATCH 5344/6244] AT91: atmel_pwm only available for certain AT91 processors Only three of Atmel's AT91 processors (SAM9263, SAM9RL and CAP9) include a PWM controller. It should therefore only be possible to enable the misc/atmel_pwm.c driver on those processors (and not all AT91 processors). Signed-off-by: Andrew Victor Cc: Haavard Skinnemoen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 9e8a5e9d15c0..efd3aa08b88b 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -15,7 +15,7 @@ if MISC_DEVICES config ATMEL_PWM tristate "Atmel AT32/AT91 PWM support" - depends on AVR32 || ARCH_AT91 + depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 help This option enables device driver support for the PWM channels on certain Atmel prcoessors. Pulse Width Modulation is used for -- GitLab From f337b9c58332bdecde965b436e47ea4c94d30da0 Mon Sep 17 00:00:00 2001 From: Davide Libenzi Date: Wed, 15 Oct 2008 22:01:56 -0700 Subject: [PATCH 5345/6244] epoll: drop unnecessary test Thomas found that there is an unnecessary (always true) test in ep_send_events(). The callback never inserts into ->rdllink while the send loop is performed, and also does the ~EP_PRIVATE_BITS test. Given we're holding the mutex during this time, the conditions tested inside the loop are always true. This patch drops the test done inside the re-insertion loop. Signed-off-by: Davide Libenzi Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/eventpoll.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 7cc0eb756b55..99368bda0261 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -927,14 +927,11 @@ errxit: /* * During the time we spent in the loop above, some other events * might have been queued by the poll callback. We re-insert them - * here (in case they are not already queued, or they're one-shot). + * inside the main ready-list here. */ for (nepi = ep->ovflist; (epi = nepi) != NULL; - nepi = epi->next, epi->next = EP_UNACTIVE_PTR) { - if (!ep_is_linked(&epi->rdllink) && - (epi->event.events & ~EP_PRIVATE_BITS)) - list_add_tail(&epi->rdllink, &ep->rdllist); - } + nepi = epi->next, epi->next = EP_UNACTIVE_PTR) + list_add_tail(&epi->rdllink, &ep->rdllist); /* * We need to set back ep->ovflist to EP_UNACTIVE_PTR, so that after * releasing the lock, events will be queued in the normal way inside -- GitLab From 7968b3d9a673e922ab980b2616945e63a52d88fe Mon Sep 17 00:00:00 2001 From: WANG Cong Date: Wed, 15 Oct 2008 22:01:57 -0700 Subject: [PATCH 5346/6244] kernel/kallsyms.c: fix double return Commit 6dd06c9fbe025f542bce4cdb91790c0f91962722 ("module: make module_address_lookup safe") introduced double returns in the function kallsyms_lookup(), it's weird. The second one should be removed. Signed-off-by: WANG Cong Cc: Rusty Russell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/kallsyms.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 38fc10ac7541..5072cf1685a2 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -260,7 +260,6 @@ const char *kallsyms_lookup(unsigned long addr, /* see if it's in a module */ return module_address_lookup(addr, symbolsize, offset, modname, namebuf); - return NULL; } int lookup_symbol_name(unsigned long addr, char *symname) -- GitLab From 8033fe65a6d6c0e47ba9e3cb2e4e6902f9dfb8dd Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 15 Oct 2008 22:01:59 -0700 Subject: [PATCH 5347/6244] documentation: explain memory barriers We want all uses of memory barriers to be explained in the source code. Signed-off-by: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/SubmitChecklist | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist index 21f0795af20f..ac5e0b2f1097 100644 --- a/Documentation/SubmitChecklist +++ b/Documentation/SubmitChecklist @@ -85,3 +85,6 @@ kernel patches. 23: Tested after it has been merged into the -mm patchset to make sure that it still works with all of the other queued patches and various changes in the VM, VFS, and other subsystems. + +24: All memory barriers {e.g., barrier(), rmb(), wmb()} need a comment in the + source code that explains the logic of what they are doing and why. -- GitLab From e1f8e87449147ffe5ea3de64a46af7de450ce279 Mon Sep 17 00:00:00 2001 From: Francois Cami Date: Wed, 15 Oct 2008 22:01:59 -0700 Subject: [PATCH 5348/6244] Remove Andrew Morton's old email accounts People can use the real name an an index into MAINTAINERS to find the current email address. Signed-off-by: Francois Cami Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/SAK.txt | 2 +- Documentation/SubmittingDrivers | 2 +- Documentation/networking/cs89x0.txt | 4 ++-- Documentation/networking/vortex.txt | 4 ++-- Documentation/scsi/ChangeLog.megaraid | 6 +++--- drivers/char/vt.c | 2 +- drivers/net/3c509.c | 2 +- drivers/net/cs89x0.c | 13 ++++++------- drivers/parport/ChangeLog | 2 +- fs/direct-io.c | 4 ++-- fs/fs-writeback.c | 2 +- fs/mpage.c | 2 +- include/linux/journal-head.h | 2 +- include/linux/task_io_accounting.h | 2 +- kernel/printk.c | 2 +- kernel/workqueue.c | 2 +- mm/fadvise.c | 2 +- mm/page-writeback.c | 2 +- mm/pdflush.c | 2 +- mm/readahead.c | 2 +- mm/truncate.c | 2 +- 21 files changed, 31 insertions(+), 32 deletions(-) diff --git a/Documentation/SAK.txt b/Documentation/SAK.txt index b9019ca872ea..74be14679ed8 100644 --- a/Documentation/SAK.txt +++ b/Documentation/SAK.txt @@ -1,5 +1,5 @@ Linux 2.4.2 Secure Attention Key (SAK) handling -18 March 2001, Andrew Morton +18 March 2001, Andrew Morton An operating system's Secure Attention Key is a security tool which is provided as protection against trojan password capturing programs. It diff --git a/Documentation/SubmittingDrivers b/Documentation/SubmittingDrivers index 24f2eb40cae5..99e72a81fa2f 100644 --- a/Documentation/SubmittingDrivers +++ b/Documentation/SubmittingDrivers @@ -41,7 +41,7 @@ Linux 2.4: Linux 2.6: The same rules apply as 2.4 except that you should follow linux-kernel to track changes in API's. The final contact point for Linux 2.6 - submissions is Andrew Morton . + submissions is Andrew Morton. What Criteria Determine Acceptance ---------------------------------- diff --git a/Documentation/networking/cs89x0.txt b/Documentation/networking/cs89x0.txt index 6387d3decf85..c725d33b316f 100644 --- a/Documentation/networking/cs89x0.txt +++ b/Documentation/networking/cs89x0.txt @@ -3,7 +3,7 @@ NOTE ---- This document was contributed by Cirrus Logic for kernel 2.2.5. This version -has been updated for 2.3.48 by Andrew Morton +has been updated for 2.3.48 by Andrew Morton. Cirrus make a copy of this driver available at their website, as described below. In general, you should use the driver version which @@ -690,7 +690,7 @@ latest drivers and technical publications. 6.4 Current maintainer In February 2000 the maintenance of this driver was assumed by Andrew -Morton +Morton. 6.5 Kernel module parameters diff --git a/Documentation/networking/vortex.txt b/Documentation/networking/vortex.txt index 6356d3faed36..bd874daabde7 100644 --- a/Documentation/networking/vortex.txt +++ b/Documentation/networking/vortex.txt @@ -1,5 +1,5 @@ Documentation/networking/vortex.txt -Andrew Morton +Andrew Morton 30 April 2000 @@ -11,7 +11,7 @@ The driver was written by Donald Becker Don is no longer the prime maintainer of this version of the driver. Please report problems to one or more of: - Andrew Morton + Andrew Morton Netdev mailing list Linux kernel mailing list diff --git a/Documentation/scsi/ChangeLog.megaraid b/Documentation/scsi/ChangeLog.megaraid index 37796fe45bd0..eaa4801f2ce6 100644 --- a/Documentation/scsi/ChangeLog.megaraid +++ b/Documentation/scsi/ChangeLog.megaraid @@ -409,7 +409,7 @@ i. Function reordering so that inline functions are defined before they megaraid_mbox_prepare_pthru, megaraid_mbox_prepare_epthru, megaraid_busywait_mbox - - Andrew Morton , 08.19.2004 + - Andrew Morton, 08.19.2004 linux-scsi mailing list "Something else to clean up after inclusion: every instance of an @@ -471,13 +471,13 @@ vi. Add support for 64-bit applications. Current drivers assume only vii. Move the function declarations for the management module from megaraid_mm.h to megaraid_mm.c - - Andrew Morton , 08.19.2004 + - Andrew Morton, 08.19.2004 linux-scsi mailing list viii. Change default values for MEGARAID_NEWGEN, MEGARAID_MM, and MEGARAID_MAILBOX to 'n' in Kconfig.megaraid - - Andrew Morton , 08.19.2004 + - Andrew Morton, 08.19.2004 linux-scsi mailing list ix. replace udelay with msleep diff --git a/drivers/char/vt.c b/drivers/char/vt.c index a0f7ffb68087..d8f83e26e4a4 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -59,7 +59,7 @@ * by Martin Mares , July 1998 * * Removed old-style timers, introduced console_timer, made timer - * deletion SMP-safe. 17Jun00, Andrew Morton + * deletion SMP-safe. 17Jun00, Andrew Morton * * Removed console_lock, enabled interrupts across all console operations * 13 March 2001, Andrew Morton diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c index b9d097c9f6bb..3a7bc524af33 100644 --- a/drivers/net/3c509.c +++ b/drivers/net/3c509.c @@ -40,7 +40,7 @@ v1.14 10/15/97 Avoided waiting..discard message for fast machines -djb v1.15 1/31/98 Faster recovery for Tx errors. -djb v1.16 2/3/98 Different ID port handling to avoid sound cards. -djb - v1.18 12Mar2001 Andrew Morton + v1.18 12Mar2001 Andrew Morton - Avoid bogus detect of 3c590's (Andrzej Krzysztofowicz) - Reviewed against 1.18 from scyld.com v1.18a 17Nov2001 Jeff Garzik diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index a28de8182802..7107620f615d 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -36,8 +36,7 @@ Alan Cox : Removed 1.2 support, added 2.1 extra counters. - Andrew Morton : andrewm@uow.edu.au - : Kernel 2.3.48 + Andrew Morton : Kernel 2.3.48 : Handle kmalloc() failures : Other resource allocation fixes : Add SMP locks @@ -49,7 +48,7 @@ : Fixed an out-of-mem bug in dma_rx() : Updated Documentation/networking/cs89x0.txt - Andrew Morton : andrewm@uow.edu.au / Kernel 2.3.99-pre1 + Andrew Morton : Kernel 2.3.99-pre1 : Use skb_reserve to longword align IP header (two places) : Remove a delay loop from dma_rx() : Replace '100' with HZ @@ -57,11 +56,11 @@ : Added 'cs89x0_dma=N' kernel boot option : Correctly initialise lp->lock in non-module compile - Andrew Morton : andrewm@uow.edu.au / Kernel 2.3.99-pre4-1 + Andrew Morton : Kernel 2.3.99-pre4-1 : MOD_INC/DEC race fix (see : http://www.uwsg.indiana.edu/hypermail/linux/kernel/0003.3/1532.html) - Andrew Morton : andrewm@uow.edu.au / Kernel 2.4.0-test7-pre2 + Andrew Morton : Kernel 2.4.0-test7-pre2 : Enhanced EEPROM support to cover more devices, : abstracted IRQ mapping to support CONFIG_ARCH_CLPS7500 arch : (Jason Gunthorpe ) @@ -156,7 +155,7 @@ #include "cs89x0.h" static char version[] __initdata = -"cs89x0.c: v2.4.3-pre1 Russell Nelson , Andrew Morton \n"; +"cs89x0.c: v2.4.3-pre1 Russell Nelson , Andrew Morton\n"; #define DRV_NAME "cs89x0" @@ -1877,7 +1876,7 @@ MODULE_PARM_DESC(dmasize , "(ignored)"); MODULE_PARM_DESC(use_dma , "(ignored)"); #endif -MODULE_AUTHOR("Mike Cruse, Russwll Nelson , Andrew Morton "); +MODULE_AUTHOR("Mike Cruse, Russwll Nelson , Andrew Morton"); MODULE_LICENSE("GPL"); diff --git a/drivers/parport/ChangeLog b/drivers/parport/ChangeLog index db717c1d62a5..8565bbbeb6ec 100644 --- a/drivers/parport/ChangeLog +++ b/drivers/parport/ChangeLog @@ -311,7 +311,7 @@ * ieee1284_ops.c (parport_ieee1284_read_nibble): Reset nAutoFd on timeout. Matches 2.2.x behaviour. -2001-03-02 Andrew Morton +2001-03-02 Andrew Morton * parport_pc.c (registered_parport): New static variable. (parport_pc_find_ports): Set it when we register PCI driver. diff --git a/fs/direct-io.c b/fs/direct-io.c index 9606ee848fd8..af0558dbe8b7 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -5,11 +5,11 @@ * * O_DIRECT * - * 04Jul2002 akpm@zip.com.au + * 04Jul2002 Andrew Morton * Initial version * 11Sep2002 janetinc@us.ibm.com * added readv/writev support. - * 29Oct2002 akpm@zip.com.au + * 29Oct2002 Andrew Morton * rewrote bio_add_page() support. * 30Oct2002 pbadari@us.ibm.com * added support for non-aligned IO. diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 25adfc3c693a..d0ff0b8cf309 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -8,7 +8,7 @@ * pages against inodes. ie: data writeback. Writeout of the * inode itself is not handled here. * - * 10Apr2002 akpm@zip.com.au + * 10Apr2002 Andrew Morton * Split out of fs/inode.c * Additions for address_space-based writeback */ diff --git a/fs/mpage.c b/fs/mpage.c index dbcc7af76a15..552b80b3facc 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -6,7 +6,7 @@ * Contains functions related to preparing and submitting BIOs which contain * multiple pagecache pages. * - * 15May2002 akpm@zip.com.au + * 15May2002 Andrew Morton * Initial version * 27Jun2002 axboe@suse.de * use bio_add_page() to build bio's just the right size diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h index 8a62d1e84b9b..bb70ebb6a2d5 100644 --- a/include/linux/journal-head.h +++ b/include/linux/journal-head.h @@ -3,7 +3,7 @@ * * buffer_head fields for JBD * - * 27 May 2001 Andrew Morton + * 27 May 2001 Andrew Morton * Created - pulled out of fs.h */ diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h index 5e88afc9a2fb..bdf855c2856f 100644 --- a/include/linux/task_io_accounting.h +++ b/include/linux/task_io_accounting.h @@ -5,7 +5,7 @@ * Don't include this header file directly - it is designed to be dragged in via * sched.h. * - * Blame akpm@osdl.org for all this. + * Blame Andrew Morton for all this. */ struct task_io_accounting { diff --git a/kernel/printk.c b/kernel/printk.c index a430fd04008b..c3ab51dc9faf 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -13,7 +13,7 @@ * Fixed SMP synchronization, 08/08/99, Manfred Spraul * manfred@colorfullife.com * Rewrote bits to get rid of console_lock - * 01Mar01 Andrew Morton + * 01Mar01 Andrew Morton */ #include diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 4048e92aa04f..714afad46539 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -9,7 +9,7 @@ * Derived from the taskqueue/keventd code by: * * David Woodhouse - * Andrew Morton + * Andrew Morton * Kai Petzke * Theodore Ts'o * diff --git a/mm/fadvise.c b/mm/fadvise.c index 343cfdfebd9e..a1da969bd980 100644 --- a/mm/fadvise.c +++ b/mm/fadvise.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002, Linus Torvalds * - * 11Jan2003 akpm@digeo.com + * 11Jan2003 Andrew Morton * Initial version. */ diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 24de8b65fdbd..c130a137c129 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -7,7 +7,7 @@ * Contains functions related to writing back dirty pages at the * address_space level. * - * 10Apr2002 akpm@zip.com.au + * 10Apr2002 Andrew Morton * Initial version */ diff --git a/mm/pdflush.c b/mm/pdflush.c index 0cbe0c60c6bf..a0a14c4d5072 100644 --- a/mm/pdflush.c +++ b/mm/pdflush.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002, Linus Torvalds. * - * 09Apr2002 akpm@zip.com.au + * 09Apr2002 Andrew Morton * Initial version * 29Feb2004 kaos@sgi.com * Move worker thread creation to kthread to avoid chewing diff --git a/mm/readahead.c b/mm/readahead.c index 77e8ddf945e9..6cbd9a72fde2 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002, Linus Torvalds * - * 09Apr2002 akpm@zip.com.au + * 09Apr2002 Andrew Morton * Initial version. */ diff --git a/mm/truncate.c b/mm/truncate.c index 6650c1d878b4..e83e4b114ef1 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002, Linus Torvalds * - * 10Sep2002 akpm@zip.com.au + * 10Sep2002 Andrew Morton * Initial version. */ -- GitLab From 2223c65103d2aa8d0e9c48a956035a1e0353233d Mon Sep 17 00:00:00 2001 From: FD Cami Date: Wed, 15 Oct 2008 22:02:00 -0700 Subject: [PATCH 5349/6244] Remove Andrew Morton's http://www.zip.com.au/~akpm/ Remove Andrew Morton's http://www.zip.com.au/~akpm/ urls, update to new ones when necessary, delete references otherwise. There are still instances of that living in: Documentation/zh_CN/HOWTO Documentation/zh_CN/SubmittingPatches Documentation/ko_KR/HOWTO Documentation/ja_JP/SubmittingPatches Signed-off-by: Francois Cami Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/HOWTO | 4 ++-- Documentation/SubmittingPatches | 4 ++-- Documentation/filesystems/ext3.txt | 3 +-- Documentation/networking/vortex.txt | 5 ----- 4 files changed, 5 insertions(+), 11 deletions(-) diff --git a/Documentation/HOWTO b/Documentation/HOWTO index 48a3955f05fc..8495fc970391 100644 --- a/Documentation/HOWTO +++ b/Documentation/HOWTO @@ -112,7 +112,7 @@ required reading: Other excellent descriptions of how to create patches properly are: "The Perfect Patch" - http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt + http://userweb.kernel.org/~akpm/stuff/tpp.txt "Linux kernel patch submission format" http://linux.yyz.us/patch-format.html @@ -620,7 +620,7 @@ all time. It should describe the patch completely, containing: For more details on what this should all look like, please see the ChangeLog section of the document: "The Perfect Patch" - http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt + http://userweb.kernel.org/~akpm/stuff/tpp.txt diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index f79ad9ff6031..bee87f2842a3 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -77,7 +77,7 @@ Quilt: http://savannah.nongnu.org/projects/quilt Andrew Morton's patch scripts: -http://www.zip.com.au/~akpm/linux/patches/ +http://userweb.kernel.org/~akpm/stuff/patch-scripts.tar.gz Instead of these scripts, quilt is the recommended patch management tool (see above). @@ -653,7 +653,7 @@ SECTION 3 - REFERENCES ---------------------- Andrew Morton, "The perfect patch" (tpp). - + Jeff Garzik, "Linux kernel patch submission format". diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt index b45f3c1b8b43..295f26cd895a 100644 --- a/Documentation/filesystems/ext3.txt +++ b/Documentation/filesystems/ext3.txt @@ -193,6 +193,5 @@ kernel source: programs: http://e2fsprogs.sourceforge.net/ http://ext2resize.sourceforge.net -useful links: http://www.zip.com.au/~akpm/linux/ext3/ext3-usage.html - http://www-106.ibm.com/developerworks/linux/library/l-fs7/ +useful links: http://www-106.ibm.com/developerworks/linux/library/l-fs7/ http://www-106.ibm.com/developerworks/linux/library/l-fs8/ diff --git a/Documentation/networking/vortex.txt b/Documentation/networking/vortex.txt index bd874daabde7..bd70976b8160 100644 --- a/Documentation/networking/vortex.txt +++ b/Documentation/networking/vortex.txt @@ -305,11 +305,6 @@ Donald's wake-on-LAN page: ftp://ftp.3com.com/pub/nic/3c90x/3c90xx2.exe -Driver updates and a detailed changelog for the modifications which -were made for the 2.3/2,4 series kernel is available at - - http://www.zip.com.au/~akpm/linux/#3c59x-bc - Autonegotiation notes --------------------- -- GitLab From 6d5cd6effed5f8c958a6c0df56da336f5a4fdb8a Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Wed, 15 Oct 2008 22:02:00 -0700 Subject: [PATCH 5350/6244] taint: fix kernel-doc Move print_tainted() kernel-doc to avoid the following error: Error(/var/linsrc/mmotm-2008-1002-1617//kernel/panic.c:155): cannot understand prototype: 'struct tnt ' Signed-off-by: Randy Dunlap Cc: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/panic.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/kernel/panic.c b/kernel/panic.c index 028013f7afd4..f290e8e866f6 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -143,21 +143,6 @@ NORET_TYPE void panic(const char * fmt, ...) EXPORT_SYMBOL(panic); -/** - * print_tainted - return a string to represent the kernel taint state. - * - * 'P' - Proprietary module has been loaded. - * 'F' - Module has been forcibly loaded. - * 'S' - SMP with CPUs not designed for SMP. - * 'R' - User forced a module unload. - * 'M' - System experienced a machine check exception. - * 'B' - System has hit bad_page. - * 'U' - Userspace-defined naughtiness. - * 'A' - ACPI table overridden. - * 'W' - Taint on warning. - * - * The string is overwritten by the next call to print_taint(). - */ struct tnt { u8 bit; @@ -178,6 +163,21 @@ static const struct tnt tnts[] = { { TAINT_WARN, 'W', ' ' }, }; +/** + * print_tainted - return a string to represent the kernel taint state. + * + * 'P' - Proprietary module has been loaded. + * 'F' - Module has been forcibly loaded. + * 'S' - SMP with CPUs not designed for SMP. + * 'R' - User forced a module unload. + * 'M' - System experienced a machine check exception. + * 'B' - System has hit bad_page. + * 'U' - Userspace-defined naughtiness. + * 'A' - ACPI table overridden. + * 'W' - Taint on warning. + * + * The string is overwritten by the next call to print_taint(). + */ const char *print_tainted(void) { static char buf[ARRAY_SIZE(tnts) + sizeof("Tainted: ") + 1]; -- GitLab From 22b8ab66deb2600f93d24d30df17b9d9e5273d05 Mon Sep 17 00:00:00 2001 From: Bernhard Walle Date: Wed, 15 Oct 2008 22:02:01 -0700 Subject: [PATCH 5351/6244] Document panic_on_unrecovered_nmi sysctl This adds "panic_on_unrecovered_nmi" sysctl to Documentation/filesystems/proc.txt. The text is mainly taken from http://readlist.com/lists/vger.kernel.org/linux-kernel/43/217998.html. Signed-off-by: Bernhard Walle Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/proc.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index b488edad743c..c032bf39e8b9 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1321,6 +1321,18 @@ debugging information is displayed on console. NMI switch that most IA32 servers have fires unknown NMI up, for example. If a system hangs up, try pressing the NMI switch. +panic_on_unrecovered_nmi +------------------------ + +The default Linux behaviour on an NMI of either memory or unknown is to continue +operation. For many environments such as scientific computing it is preferable +that the box is taken out and the error dealt with than an uncorrected +parity/ECC error get propogated. + +A small number of systems do generate NMI's for bizarre random reasons such as +power management so the default is off. That sysctl works like the existing +panic controls already in that directory. + nmi_watchdog ------------ -- GitLab From 9536727ef696861b205834dd2e01456b91088cb7 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 15 Oct 2008 22:02:02 -0700 Subject: [PATCH 5352/6244] SubmittingPatches: add a reference to Andi's OLS paper For this year's OLS I wrote a paper on successfull strategies to submit difficult kernel patches. Add a reference to it to SubmittingPatches. Signed-off-by: Andi Kleen Acked-by: KOSAKI Motohiro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/SubmittingPatches | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index bee87f2842a3..7b67f3bf8dd3 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -672,4 +672,9 @@ Kernel Documentation/CodingStyle: Linus Torvalds's mail on the canonical patch format: + +Andi Kleen, "On submitting kernel patches" + Some strategies to get difficult or controversal changes in. + http://halobates.de/on-submitting-patches.pdf + -- -- GitLab From 20036fdcaf05fac0a84ed81a56906493a7d822e2 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 15 Oct 2008 22:02:02 -0700 Subject: [PATCH 5353/6244] Add kerneldoc documentation for new printk format extensions Add documentation in kerneldoc for new printk format extensions This patch documents the new %pS/%pF options in printk in kernel doc. Hope I didn't miss any other extension. Signed-off-by: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/printk.c | 2 ++ lib/vsprintf.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/kernel/printk.c b/kernel/printk.c index c3ab51dc9faf..fbd94bdaa74f 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -593,6 +593,8 @@ static int have_callable_console(void) * * See also: * printf(3) + * + * See the vsnprintf() documentation for format string extensions over C99. */ asmlinkage int printk(const char *fmt, ...) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index c399bc1093cb..4c6674a41ed9 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -565,6 +565,10 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr, int field * @fmt: The format string to use * @args: Arguments for the format string * + * This function follows C99 vsnprintf, but has some extensions: + * %pS output the name of a text symbol + * %pF output the name of a function pointer + * * The return value is the number of characters which would * be generated for the given input, excluding the trailing * '\0', as per ISO C99. If you want to have the exact @@ -806,6 +810,8 @@ EXPORT_SYMBOL(vsnprintf); * * Call this function if you are already dealing with a va_list. * You probably want scnprintf() instead. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) { @@ -828,6 +834,8 @@ EXPORT_SYMBOL(vscnprintf); * generated for the given input, excluding the trailing null, * as per ISO C99. If the return is greater than or equal to * @size, the resulting string is truncated. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int snprintf(char * buf, size_t size, const char *fmt, ...) { @@ -877,6 +885,8 @@ EXPORT_SYMBOL(scnprintf); * * Call this function if you are already dealing with a va_list. * You probably want sprintf() instead. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int vsprintf(char *buf, const char *fmt, va_list args) { @@ -894,6 +904,8 @@ EXPORT_SYMBOL(vsprintf); * The function returns the number of characters written * into @buf. Use snprintf() or scnprintf() in order to avoid * buffer overflows. + * + * See the vsnprintf() documentation for format string extensions over C99. */ int sprintf(char * buf, const char *fmt, ...) { -- GitLab From f7ad160b49c49dc9cd383b9184c6fa4a9b4f7ebb Mon Sep 17 00:00:00 2001 From: Alex Raimondi Date: Wed, 15 Oct 2008 22:02:03 -0700 Subject: [PATCH 5354/6244] include/linux/clk.h: fix comment clk_get and clk_put may not be used from within interrupt context. Change comment to this function. Signed-off-by: Alex Raimondi Signed-off-by: Haavard Skinnemoen Acked-by: Russell King Cc: john stultz Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/clk.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/clk.h b/include/linux/clk.h index 5ca8c6fddb56..778777316ea4 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -35,6 +35,8 @@ struct clk; * clk_get may return different clock producers depending on @dev.) * * Drivers must assume that the clock source is not enabled. + * + * clk_get should not be called from within interrupt context. */ struct clk *clk_get(struct device *dev, const char *id); @@ -76,6 +78,8 @@ unsigned long clk_get_rate(struct clk *clk); * Note: drivers must ensure that all clk_enable calls made on this * clock source are balanced by clk_disable calls prior to calling * this function. + * + * clk_put should not be called from within interrupt context. */ void clk_put(struct clk *clk); -- GitLab From f7a5000f7a8924e9c5fad1801616601d6dc65a17 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 15 Oct 2008 22:02:05 -0700 Subject: [PATCH 5355/6244] compat: move cp_compat_stat to common code struct stat / compat_stat is the same on all architectures, so cp_compat_stat should be, too. Turns out it is, except that various architectures have slightly and some high2lowuid/high2lowgid or the direct assignment instead of the SET_UID/SET_GID that expands to the correct one anyway. This patch replaces the arch-specific cp_compat_stat implementations with a common one based on the x86-64 one. Signed-off-by: Christoph Hellwig Acked-by: David S. Miller [ sparc bits ] Acked-by: Kyle McMartin [ parisc bits ] Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ia64/ia32/sys_ia32.c | 35 ----------------------- arch/mips/kernel/linux32.c | 35 ----------------------- arch/parisc/kernel/sys_parisc32.c | 47 ------------------------------- arch/powerpc/kernel/sys_ppc32.c | 36 ----------------------- arch/s390/kernel/compat_linux.c | 35 ----------------------- arch/sparc64/kernel/sys_sparc32.c | 35 ----------------------- arch/x86/ia32/sys_ia32.c | 35 ----------------------- fs/compat.c | 39 +++++++++++++++++++++++++ include/linux/compat.h | 1 - 9 files changed, 39 insertions(+), 259 deletions(-) diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index bf196cbb3796..2362a8eefb30 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -118,41 +118,6 @@ sys32_execve (char __user *name, compat_uptr_t __user *argv, compat_uptr_t __use return error; } -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) -{ - compat_ino_t ino; - int err; - - if ((u64) stat->size > MAX_NON_LFS || - !old_valid_dev(stat->dev) || - !old_valid_dev(stat->rdev)) - return -EOVERFLOW; - - ino = stat->ino; - if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) - return -EOVERFLOW; - - if (clear_user(ubuf, sizeof(*ubuf))) - return -EFAULT; - - err = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev); - err |= __put_user(ino, &ubuf->st_ino); - err |= __put_user(stat->mode, &ubuf->st_mode); - err |= __put_user(stat->nlink, &ubuf->st_nlink); - err |= __put_user(high2lowuid(stat->uid), &ubuf->st_uid); - err |= __put_user(high2lowgid(stat->gid), &ubuf->st_gid); - err |= __put_user(old_encode_dev(stat->rdev), &ubuf->st_rdev); - err |= __put_user(stat->size, &ubuf->st_size); - err |= __put_user(stat->atime.tv_sec, &ubuf->st_atime); - err |= __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec); - err |= __put_user(stat->mtime.tv_sec, &ubuf->st_mtime); - err |= __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec); - err |= __put_user(stat->ctime.tv_sec, &ubuf->st_ctime); - err |= __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec); - err |= __put_user(stat->blksize, &ubuf->st_blksize); - err |= __put_user(stat->blocks, &ubuf->st_blocks); - return err; -} #if PAGE_SHIFT > IA32_PAGE_SHIFT diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 2fefb14414b7..89223a9bff2c 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -63,41 +63,6 @@ #define merge_64(r1, r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL)) #endif -/* - * Revalidate the inode. This is required for proper NFS attribute caching. - */ - -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) -{ - struct compat_stat tmp; - - if (!new_valid_dev(stat->dev) || !new_valid_dev(stat->rdev)) - return -EOVERFLOW; - - memset(&tmp, 0, sizeof(tmp)); - tmp.st_dev = new_encode_dev(stat->dev); - tmp.st_ino = stat->ino; - if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) - return -EOVERFLOW; - tmp.st_mode = stat->mode; - tmp.st_nlink = stat->nlink; - SET_UID(tmp.st_uid, stat->uid); - SET_GID(tmp.st_gid, stat->gid); - tmp.st_rdev = new_encode_dev(stat->rdev); - tmp.st_size = stat->size; - tmp.st_atime = stat->atime.tv_sec; - tmp.st_mtime = stat->mtime.tv_sec; - tmp.st_ctime = stat->ctime.tv_sec; -#ifdef STAT_HAVE_NSEC - tmp.st_atime_nsec = stat->atime.tv_nsec; - tmp.st_mtime_nsec = stat->mtime.tv_nsec; - tmp.st_ctime_nsec = stat->ctime.tv_nsec; -#endif - tmp.st_blocks = stat->blocks; - tmp.st_blksize = stat->blksize; - return copy_to_user(statbuf, &tmp, sizeof(tmp)) ? -EFAULT : 0; -} - asmlinkage unsigned long sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 71efd6a28e2a..2c3af17e049c 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -237,53 +237,6 @@ int sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); } -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) -{ - compat_ino_t ino; - int err; - - if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) || - !new_valid_dev(stat->rdev)) - return -EOVERFLOW; - - ino = stat->ino; - if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) - return -EOVERFLOW; - - err = put_user(new_encode_dev(stat->dev), &statbuf->st_dev); - err |= put_user(ino, &statbuf->st_ino); - err |= put_user(stat->mode, &statbuf->st_mode); - err |= put_user(stat->nlink, &statbuf->st_nlink); - err |= put_user(0, &statbuf->st_reserved1); - err |= put_user(0, &statbuf->st_reserved2); - err |= put_user(new_encode_dev(stat->rdev), &statbuf->st_rdev); - err |= put_user(stat->size, &statbuf->st_size); - err |= put_user(stat->atime.tv_sec, &statbuf->st_atime); - err |= put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec); - err |= put_user(stat->mtime.tv_sec, &statbuf->st_mtime); - err |= put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec); - err |= put_user(stat->ctime.tv_sec, &statbuf->st_ctime); - err |= put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec); - err |= put_user(stat->blksize, &statbuf->st_blksize); - err |= put_user(stat->blocks, &statbuf->st_blocks); - err |= put_user(0, &statbuf->__unused1); - err |= put_user(0, &statbuf->__unused2); - err |= put_user(0, &statbuf->__unused3); - err |= put_user(0, &statbuf->__unused4); - err |= put_user(0, &statbuf->__unused5); - err |= put_user(0, &statbuf->st_fstype); /* not avail */ - err |= put_user(0, &statbuf->st_realdev); /* not avail */ - err |= put_user(0, &statbuf->st_basemode); /* not avail */ - err |= put_user(0, &statbuf->st_spareshort); - err |= put_user(stat->uid, &statbuf->st_uid); - err |= put_user(stat->gid, &statbuf->st_gid); - err |= put_user(0, &statbuf->st_spare4[0]); - err |= put_user(0, &statbuf->st_spare4[1]); - err |= put_user(0, &statbuf->st_spare4[2]); - - return err; -} - /*** copied from mips64 ***/ /* * Ooo, nasty. We need here to frob 32-bit unsigned longs to diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index ff7de7b0797e..d00599bb24a1 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -61,42 +61,6 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp, return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x)); } -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) -{ - compat_ino_t ino; - long err; - - if (stat->size > MAX_NON_LFS || !new_valid_dev(stat->dev) || - !new_valid_dev(stat->rdev)) - return -EOVERFLOW; - - ino = stat->ino; - if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) - return -EOVERFLOW; - - err = access_ok(VERIFY_WRITE, statbuf, sizeof(*statbuf)) ? 0 : -EFAULT; - err |= __put_user(new_encode_dev(stat->dev), &statbuf->st_dev); - err |= __put_user(ino, &statbuf->st_ino); - err |= __put_user(stat->mode, &statbuf->st_mode); - err |= __put_user(stat->nlink, &statbuf->st_nlink); - err |= __put_user(stat->uid, &statbuf->st_uid); - err |= __put_user(stat->gid, &statbuf->st_gid); - err |= __put_user(new_encode_dev(stat->rdev), &statbuf->st_rdev); - err |= __put_user(stat->size, &statbuf->st_size); - err |= __put_user(stat->atime.tv_sec, &statbuf->st_atime); - err |= __put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec); - err |= __put_user(stat->mtime.tv_sec, &statbuf->st_mtime); - err |= __put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec); - err |= __put_user(stat->ctime.tv_sec, &statbuf->st_ctime); - err |= __put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec); - err |= __put_user(stat->blksize, &statbuf->st_blksize); - err |= __put_user(stat->blocks, &statbuf->st_blocks); - err |= __put_user(0, &statbuf->__unused4[0]); - err |= __put_user(0, &statbuf->__unused4[1]); - - return err; -} - /* Note: it is necessary to treat option as an unsigned int, * with the corresponding cast to a signed int to insure that the * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 98e246dc0233..9b471d785ec1 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -362,41 +362,6 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned return sys_ftruncate(fd, (high << 32) | low); } -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) -{ - compat_ino_t ino; - int err; - - if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev)) - return -EOVERFLOW; - - ino = stat->ino; - if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) - return -EOVERFLOW; - - err = put_user(old_encode_dev(stat->dev), &statbuf->st_dev); - err |= put_user(stat->ino, &statbuf->st_ino); - err |= put_user(stat->mode, &statbuf->st_mode); - err |= put_user(stat->nlink, &statbuf->st_nlink); - err |= put_user(high2lowuid(stat->uid), &statbuf->st_uid); - err |= put_user(high2lowgid(stat->gid), &statbuf->st_gid); - err |= put_user(old_encode_dev(stat->rdev), &statbuf->st_rdev); - err |= put_user(stat->size, &statbuf->st_size); - err |= put_user(stat->atime.tv_sec, &statbuf->st_atime); - err |= put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec); - err |= put_user(stat->mtime.tv_sec, &statbuf->st_mtime); - err |= put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec); - err |= put_user(stat->ctime.tv_sec, &statbuf->st_ctime); - err |= put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec); - err |= put_user(stat->blksize, &statbuf->st_blksize); - err |= put_user(stat->blocks, &statbuf->st_blocks); -/* fixme - err |= put_user(0, &statbuf->__unused4[0]); - err |= put_user(0, &statbuf->__unused4[1]); -*/ - return err; -} - asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval) { diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 3320c9d0075f..73a33dc3bcca 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -148,41 +148,6 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned return sys_ftruncate(fd, (high << 32) | low); } -int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) -{ - compat_ino_t ino; - int err; - - if (stat->size > MAX_NON_LFS || !old_valid_dev(stat->dev) || - !old_valid_dev(stat->rdev)) - return -EOVERFLOW; - - ino = stat->ino; - if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) - return -EOVERFLOW; - - err = put_user(old_encode_dev(stat->dev), &statbuf->st_dev); - err |= put_user(stat->ino, &statbuf->st_ino); - err |= put_user(stat->mode, &statbuf->st_mode); - err |= put_user(stat->nlink, &statbuf->st_nlink); - err |= put_user(high2lowuid(stat->uid), &statbuf->st_uid); - err |= put_user(high2lowgid(stat->gid), &statbuf->st_gid); - err |= put_user(old_encode_dev(stat->rdev), &statbuf->st_rdev); - err |= put_user(stat->size, &statbuf->st_size); - err |= put_user(stat->atime.tv_sec, &statbuf->st_atime); - err |= put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec); - err |= put_user(stat->mtime.tv_sec, &statbuf->st_mtime); - err |= put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec); - err |= put_user(stat->ctime.tv_sec, &statbuf->st_ctime); - err |= put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec); - err |= put_user(stat->blksize, &statbuf->st_blksize); - err |= put_user(stat->blocks, &statbuf->st_blocks); - err |= put_user(0, &statbuf->__unused4[0]); - err |= put_user(0, &statbuf->__unused4[1]); - - return err; -} - static int cp_compat_stat64(struct kstat *stat, struct compat_stat64 __user *statbuf) { diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index beda4232ce69..4d3ad8d78a4d 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -49,41 +49,6 @@ #define AA(__x) ((unsigned long)(__x)) -int cp_compat_stat(struct kstat *kbuf, struct compat_stat __user *ubuf) -{ - compat_ino_t ino; - - typeof(ubuf->st_uid) uid = 0; - typeof(ubuf->st_gid) gid = 0; - SET_UID(uid, kbuf->uid); - SET_GID(gid, kbuf->gid); - if (!old_valid_dev(kbuf->dev) || !old_valid_dev(kbuf->rdev)) - return -EOVERFLOW; - if (kbuf->size >= 0x7fffffff) - return -EOVERFLOW; - ino = kbuf->ino; - if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino) - return -EOVERFLOW; - if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct compat_stat)) || - __put_user(old_encode_dev(kbuf->dev), &ubuf->st_dev) || - __put_user(ino, &ubuf->st_ino) || - __put_user(kbuf->mode, &ubuf->st_mode) || - __put_user(kbuf->nlink, &ubuf->st_nlink) || - __put_user(uid, &ubuf->st_uid) || - __put_user(gid, &ubuf->st_gid) || - __put_user(old_encode_dev(kbuf->rdev), &ubuf->st_rdev) || - __put_user(kbuf->size, &ubuf->st_size) || - __put_user(kbuf->atime.tv_sec, &ubuf->st_atime) || - __put_user(kbuf->atime.tv_nsec, &ubuf->st_atime_nsec) || - __put_user(kbuf->mtime.tv_sec, &ubuf->st_mtime) || - __put_user(kbuf->mtime.tv_nsec, &ubuf->st_mtime_nsec) || - __put_user(kbuf->ctime.tv_sec, &ubuf->st_ctime) || - __put_user(kbuf->ctime.tv_nsec, &ubuf->st_ctime_nsec) || - __put_user(kbuf->blksize, &ubuf->st_blksize) || - __put_user(kbuf->blocks, &ubuf->st_blocks)) - return -EFAULT; - return 0; -} asmlinkage long sys32_truncate64(char __user *filename, unsigned long offset_low, diff --git a/fs/compat.c b/fs/compat.c index aae13d31612f..5f9ec449c799 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -137,6 +137,45 @@ asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval _ return compat_sys_futimesat(AT_FDCWD, filename, t); } +static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) +{ + compat_ino_t ino = stat->ino; + typeof(ubuf->st_uid) uid = 0; + typeof(ubuf->st_gid) gid = 0; + int err; + + SET_UID(uid, stat->uid); + SET_GID(gid, stat->gid); + + if ((u64) stat->size > MAX_NON_LFS || + !old_valid_dev(stat->dev) || + !old_valid_dev(stat->rdev)) + return -EOVERFLOW; + if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) + return -EOVERFLOW; + + if (clear_user(ubuf, sizeof(*ubuf))) + return -EFAULT; + + err = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev); + err |= __put_user(ino, &ubuf->st_ino); + err |= __put_user(stat->mode, &ubuf->st_mode); + err |= __put_user(stat->nlink, &ubuf->st_nlink); + err |= __put_user(uid, &ubuf->st_uid); + err |= __put_user(gid, &ubuf->st_gid); + err |= __put_user(old_encode_dev(stat->rdev), &ubuf->st_rdev); + err |= __put_user(stat->size, &ubuf->st_size); + err |= __put_user(stat->atime.tv_sec, &ubuf->st_atime); + err |= __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec); + err |= __put_user(stat->mtime.tv_sec, &ubuf->st_mtime); + err |= __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec); + err |= __put_user(stat->ctime.tv_sec, &ubuf->st_ctime); + err |= __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec); + err |= __put_user(stat->blksize, &ubuf->st_blksize); + err |= __put_user(stat->blocks, &ubuf->st_blocks); + return err; +} + asmlinkage long compat_sys_newstat(char __user * filename, struct compat_stat __user *statbuf) { diff --git a/include/linux/compat.h b/include/linux/compat.h index cf8d11cad5ae..999dddd8d939 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -78,7 +78,6 @@ typedef struct { compat_sigset_word sig[_COMPAT_NSIG_WORDS]; } compat_sigset_t; -extern int cp_compat_stat(struct kstat *, struct compat_stat __user *); extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *); extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *); -- GitLab From b418da16dd44810e5d5a22bba377cca80512a524 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 15 Oct 2008 22:02:06 -0700 Subject: [PATCH 5356/6244] compat: generic compat get/settimeofday Nothing arch specific in get/settimeofday. The details of the timeval conversion varied a little from arch to arch, but all with the same results. Also add an extern declaration for sys_tz to linux/time.h because externs in .c files are fowned upon. I'll kill the externs in various other files in a sparate patch. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Christoph Hellwig Acked-by: David S. Miller [ sparc bits ] Cc: "Luck, Tony" Cc: Ralf Baechle Acked-by: Kyle McMartin Cc: Matthew Wilcox Cc: Grant Grundler Cc: Paul Mackerras Cc: Benjamin Herrenschmidt Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: Ingo Molnar Cc: Thomas Gleixner Cc: "H. Peter Anvin" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ia64/ia32/ia32_entry.S | 4 +- arch/ia64/ia32/sys_ia32.c | 56 ------------------------- arch/mips/kernel/linux32.c | 66 ----------------------------- arch/mips/kernel/scall64-n32.S | 4 +- arch/mips/kernel/scall64-o32.S | 4 +- arch/parisc/kernel/sys_parisc32.c | 58 -------------------------- arch/parisc/kernel/syscall_table.S | 4 +- arch/powerpc/kernel/sys_ppc32.c | 63 ---------------------------- arch/s390/kernel/compat_linux.c | 67 ------------------------------ arch/s390/kernel/compat_linux.h | 4 -- arch/s390/kernel/compat_wrapper.S | 12 +++--- arch/s390/kernel/syscalls.S | 4 +- arch/sparc64/kernel/sys_sparc32.c | 62 --------------------------- arch/sparc64/kernel/systbls.S | 4 +- arch/x86/ia32/ia32entry.S | 4 +- arch/x86/ia32/sys_ia32.c | 64 ---------------------------- include/linux/compat.h | 5 +++ include/linux/time.h | 2 + kernel/compat.c | 58 ++++++++++++++++++++++++++ 19 files changed, 85 insertions(+), 460 deletions(-) diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S index ff88c48c5d19..53505bb04771 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S @@ -251,8 +251,8 @@ ia32_syscall_table: data8 compat_sys_setrlimit /* 75 */ data8 compat_sys_old_getrlimit data8 compat_sys_getrusage - data8 sys32_gettimeofday - data8 sys32_settimeofday + data8 compat_sys_gettimeofday + data8 compat_sys_settimeofday data8 sys32_getgroups16 /* 80 */ data8 sys32_setgroups16 data8 sys32_old_select diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index 2362a8eefb30..f4430bb4bbdc 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -1113,68 +1113,12 @@ sys32_pipe (int __user *fd) return retval; } -static inline long -get_tv32 (struct timeval *o, struct compat_timeval __user *i) -{ - return (!access_ok(VERIFY_READ, i, sizeof(*i)) || - (__get_user(o->tv_sec, &i->tv_sec) | __get_user(o->tv_usec, &i->tv_usec))); -} - -static inline long -put_tv32 (struct compat_timeval __user *o, struct timeval *i) -{ - return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || - (__put_user(i->tv_sec, &o->tv_sec) | __put_user(i->tv_usec, &o->tv_usec))); -} - asmlinkage unsigned long sys32_alarm (unsigned int seconds) { return alarm_setitimer(seconds); } -/* Translations due to time_t size differences. Which affects all - sorts of things, like timeval and itimerval. */ - -extern struct timezone sys_tz; - -asmlinkage long -sys32_gettimeofday (struct compat_timeval __user *tv, struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -asmlinkage long -sys32_settimeofday (struct compat_timeval __user *tv, struct timezone __user *tz) -{ - struct timeval ktv; - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_tv32(&ktv, tv)) - return -EFAULT; - kts.tv_sec = ktv.tv_sec; - kts.tv_nsec = ktv.tv_usec * 1000; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - struct sel_arg_struct { unsigned int n; unsigned int inp; diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 89223a9bff2c..aa2c55e3b55f 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -133,72 +133,6 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy, return sys_ftruncate(fd, merge_64(a2, a3)); } -static inline long -get_tv32(struct timeval *o, struct compat_timeval __user *i) -{ - return (!access_ok(VERIFY_READ, i, sizeof(*i)) || - (__get_user(o->tv_sec, &i->tv_sec) | - __get_user(o->tv_usec, &i->tv_usec))); -} - -static inline long -put_tv32(struct compat_timeval __user *o, struct timeval *i) -{ - return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || - (__put_user(i->tv_sec, &o->tv_sec) | - __put_user(i->tv_usec, &o->tv_usec))); -} - -extern struct timezone sys_tz; - -asmlinkage int -sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) -{ - long usec; - - if (!access_ok(VERIFY_READ, i, sizeof(*i))) - return -EFAULT; - if (__get_user(o->tv_sec, &i->tv_sec)) - return -EFAULT; - if (__get_user(usec, &i->tv_usec)) - return -EFAULT; - o->tv_nsec = usec * 1000; - return 0; -} - -asmlinkage int -sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_ts32(&kts, tv)) - return -EFAULT; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, unsigned int offset_low, loff_t __user * result, unsigned int origin) diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 324c5499dec2..e266b3aa6560 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -214,7 +214,7 @@ EXPORT(sysn32_call_table) PTR sys_fchown PTR sys_lchown PTR sys_umask - PTR sys32_gettimeofday + PTR compat_sys_gettimeofday PTR compat_sys_getrlimit /* 6095 */ PTR compat_sys_getrusage PTR compat_sys_sysinfo @@ -279,7 +279,7 @@ EXPORT(sysn32_call_table) PTR sys_chroot PTR sys_sync PTR sys_acct - PTR sys32_settimeofday + PTR compat_sys_settimeofday PTR compat_sys_mount /* 6160 */ PTR sys_umount PTR sys_swapon diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 85fedac99a57..6c7ef8313ebd 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -283,8 +283,8 @@ sys_call_table: PTR compat_sys_setrlimit /* 4075 */ PTR compat_sys_getrlimit PTR compat_sys_getrusage - PTR sys32_gettimeofday - PTR sys32_settimeofday + PTR compat_sys_gettimeofday + PTR compat_sys_settimeofday PTR sys_getgroups /* 4080 */ PTR sys_setgroups PTR sys_ni_syscall /* old_select */ diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 2c3af17e049c..0838155b7a88 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -179,64 +179,6 @@ asmlinkage long sys32_sched_rr_get_interval(pid_t pid, return ret; } -static int -put_compat_timeval(struct compat_timeval __user *u, struct timeval *t) -{ - struct compat_timeval t32; - t32.tv_sec = t->tv_sec; - t32.tv_usec = t->tv_usec; - return copy_to_user(u, &t32, sizeof t32); -} - -static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) -{ - long usec; - - if (__get_user(o->tv_sec, &i->tv_sec)) - return -EFAULT; - if (__get_user(usec, &i->tv_usec)) - return -EFAULT; - o->tv_nsec = usec * 1000; - return 0; -} - -asmlinkage int -sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - extern void do_gettimeofday(struct timeval *tv); - - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_compat_timeval(tv, &ktv)) - return -EFAULT; - } - if (tz) { - extern struct timezone sys_tz; - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -asmlinkage -int sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_ts32(&kts, tv)) - return -EFAULT; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - /*** copied from mips64 ***/ /* * Ooo, nasty. We need here to frob 32-bit unsigned longs to diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 6b5ac38f5a99..c7e59f548817 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -149,8 +149,8 @@ ENTRY_COMP(getrlimit) ENTRY_COMP(getrusage) /* struct timeval and timezone are maybe?? consistent wide and narrow */ - ENTRY_DIFF(gettimeofday) - ENTRY_DIFF(settimeofday) + ENTRY_COMP(gettimeofday) + ENTRY_COMP(settimeofday) ENTRY_SAME(getgroups) /* 80 */ ENTRY_SAME(setgroups) /* struct socketaddr... */ diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index d00599bb24a1..bb1cfcfdbbbb 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -71,69 +71,6 @@ asmlinkage long compat_sys_sysfs(u32 option, u32 arg1, u32 arg2) return sys_sysfs((int)option, arg1, arg2); } -static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) -{ - long usec; - - if (!access_ok(VERIFY_READ, i, sizeof(*i))) - return -EFAULT; - if (__get_user(o->tv_sec, &i->tv_sec)) - return -EFAULT; - if (__get_user(usec, &i->tv_usec)) - return -EFAULT; - o->tv_nsec = usec * 1000; - return 0; -} - -static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) -{ - return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || - (__put_user(i->tv_sec, &o->tv_sec) | - __put_user(i->tv_usec, &o->tv_usec))); -} - - - - -/* Translations due to time_t size differences. Which affects all - sorts of things, like timeval and itimerval. */ -extern struct timezone sys_tz; - -asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - - return 0; -} - - - -asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_ts32(&kts, tv)) - return -EFAULT; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - #ifdef CONFIG_SYSVIPC long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, u32 fifth) diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 9b471d785ec1..4646382af34f 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -279,22 +279,6 @@ asmlinkage long sys32_getegid16(void) return high2lowgid(current->egid); } -/* 32-bit timeval and related flotsam. */ - -static inline long get_tv32(struct timeval *o, struct compat_timeval __user *i) -{ - return (!access_ok(VERIFY_READ, o, sizeof(*o)) || - (__get_user(o->tv_sec, &i->tv_sec) || - __get_user(o->tv_usec, &i->tv_usec))); -} - -static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) -{ - return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || - (__put_user(i->tv_sec, &o->tv_sec) || - __put_user(i->tv_usec, &o->tv_usec))); -} - /* * sys32_ipc() is the de-multiplexer for the SysV IPC calls in 32bit emulation. * @@ -522,57 +506,6 @@ sys32_delete_module(const char __user *name_user, unsigned int flags) #endif /* CONFIG_MODULES */ -/* Translations due to time_t size differences. Which affects all - sorts of things, like timeval and itimerval. */ - -extern struct timezone sys_tz; - -asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) -{ - long usec; - - if (!access_ok(VERIFY_READ, i, sizeof(*i))) - return -EFAULT; - if (__get_user(o->tv_sec, &i->tv_sec)) - return -EFAULT; - if (__get_user(usec, &i->tv_usec)) - return -EFAULT; - o->tv_nsec = usec * 1000; - return 0; -} - -asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) -{ - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_ts32(&kts, tv)) - return -EFAULT; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo) { diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h index 05f8516366ab..836a28842900 100644 --- a/arch/s390/kernel/compat_linux.h +++ b/arch/s390/kernel/compat_linux.h @@ -202,10 +202,6 @@ long sys32_execve(void); long sys32_init_module(void __user *umod, unsigned long len, const char __user *uargs); long sys32_delete_module(const char __user *name_user, unsigned int flags); -long sys32_gettimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz); -long sys32_settimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz); long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, u32 poshi, u32 poslo); long sys32_pwrite64(unsigned int fd, const char __user *ubuf, diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index ee51ca9e23b5..fc2c97197a53 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -332,17 +332,17 @@ compat_sys_getrusage_wrapper: llgtr %r3,%r3 # struct rusage_emu31 * jg compat_sys_getrusage # branch to system call - .globl sys32_gettimeofday_wrapper -sys32_gettimeofday_wrapper: + .globl compat_sys_gettimeofday_wrapper +compat_sys_gettimeofday_wrapper: llgtr %r2,%r2 # struct timeval_emu31 * llgtr %r3,%r3 # struct timezone * - jg sys32_gettimeofday # branch to system call + jg compat_sys_gettimeofday # branch to system call - .globl sys32_settimeofday_wrapper -sys32_settimeofday_wrapper: + .globl compat_sys_settimeofday_wrapper +compat_sys_settimeofday_wrapper: llgtr %r2,%r2 # struct timeval_emu31 * llgtr %r3,%r3 # struct timezone * - jg sys32_settimeofday # branch to system call + jg compat_sys_settimeofday # branch to system call .globl sys32_getgroups16_wrapper sys32_getgroups16_wrapper: diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 3ae303914b42..2d61787949d5 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -86,8 +86,8 @@ SYSCALL(sys_sethostname,sys_sethostname,sys32_sethostname_wrapper) SYSCALL(sys_setrlimit,sys_setrlimit,compat_sys_setrlimit_wrapper) /* 75 */ SYSCALL(sys_old_getrlimit,sys_getrlimit,compat_sys_old_getrlimit_wrapper) SYSCALL(sys_getrusage,sys_getrusage,compat_sys_getrusage_wrapper) -SYSCALL(sys_gettimeofday,sys_gettimeofday,sys32_gettimeofday_wrapper) -SYSCALL(sys_settimeofday,sys_settimeofday,sys32_settimeofday_wrapper) +SYSCALL(sys_gettimeofday,sys_gettimeofday,compat_sys_gettimeofday_wrapper) +SYSCALL(sys_settimeofday,sys_settimeofday,compat_sys_settimeofday_wrapper) SYSCALL(sys_getgroups16,sys_ni_syscall,sys32_getgroups16_wrapper) /* 80 old getgroups16 syscall */ SYSCALL(sys_setgroups16,sys_ni_syscall,sys32_setgroups16_wrapper) /* old setgroups16 syscall */ NI_SYSCALL /* old select syscall */ diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 73a33dc3bcca..e800503879e4 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -58,15 +58,6 @@ #include #include -/* 32-bit timeval and related flotsam. */ - -static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) -{ - return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || - (__put_user(i->tv_sec, &o->tv_sec) | - __put_user(i->tv_usec, &o->tv_usec))); -} - #ifdef CONFIG_SYSVIPC asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, u32 fifth) { @@ -487,59 +478,6 @@ asmlinkage long sys32_delete_module(const char __user *name_user) #endif /* CONFIG_MODULES */ -/* Translations due to time_t size differences. Which affects all - sorts of things, like timeval and itimerval. */ - -extern struct timezone sys_tz; - -asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) -{ - long usec; - - if (!access_ok(VERIFY_READ, i, sizeof(*i))) - return -EFAULT; - if (__get_user(o->tv_sec, &i->tv_sec)) - return -EFAULT; - if (__get_user(usec, &i->tv_usec)) - return -EFAULT; - o->tv_nsec = usec * 1000; - return 0; -} - -asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz) -{ - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_ts32(&kts, tv)) - return -EFAULT; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - asmlinkage compat_ssize_t sys32_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S index 5daee4b04dd5..b2fa4c163638 100644 --- a/arch/sparc64/kernel/systbls.S +++ b/arch/sparc64/kernel/systbls.S @@ -41,8 +41,8 @@ sys_call_table32: /*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending .word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid /*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall - .word sys32_getgroups, sys32_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd -/*120*/ .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys_fchown16, sys_fchmod + .word sys32_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd +/*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate /*130*/ .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall .word sys_nis_syscall, sys32_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index eb4314768bf7..256b00b61892 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -571,8 +571,8 @@ ia32_sys_call_table: .quad compat_sys_setrlimit /* 75 */ .quad compat_sys_old_getrlimit /* old_getrlimit */ .quad compat_sys_getrusage - .quad sys32_gettimeofday - .quad sys32_settimeofday + .quad compat_sys_gettimeofday + .quad compat_sys_settimeofday .quad sys_getgroups16 /* 80 */ .quad sys_setgroups16 .quad sys32_old_select diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 4d3ad8d78a4d..2e09dcd3c0a6 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -367,75 +367,11 @@ asmlinkage long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, return 0; } -static inline long get_tv32(struct timeval *o, struct compat_timeval __user *i) -{ - int err = -EFAULT; - - if (access_ok(VERIFY_READ, i, sizeof(*i))) { - err = __get_user(o->tv_sec, &i->tv_sec); - err |= __get_user(o->tv_usec, &i->tv_usec); - } - return err; -} - -static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) -{ - int err = -EFAULT; - - if (access_ok(VERIFY_WRITE, o, sizeof(*o))) { - err = __put_user(i->tv_sec, &o->tv_sec); - err |= __put_user(i->tv_usec, &o->tv_usec); - } - return err; -} - asmlinkage long sys32_alarm(unsigned int seconds) { return alarm_setitimer(seconds); } -/* - * Translations due to time_t size differences. Which affects all - * sorts of things, like timeval and itimerval. - */ -asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz) -{ - if (tv) { - struct timeval ktv; - - do_gettimeofday(&ktv); - if (put_tv32(tv, &ktv)) - return -EFAULT; - } - if (tz) { - if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) - return -EFAULT; - } - return 0; -} - -asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv, - struct timezone __user *tz) -{ - struct timeval ktv; - struct timespec kts; - struct timezone ktz; - - if (tv) { - if (get_tv32(&ktv, tv)) - return -EFAULT; - kts.tv_sec = ktv.tv_sec; - kts.tv_nsec = ktv.tv_usec * NSEC_PER_USEC; - } - if (tz) { - if (copy_from_user(&ktz, tz, sizeof(ktz))) - return -EFAULT; - } - - return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); -} - struct sel_arg_struct { unsigned int n; unsigned int inp; diff --git a/include/linux/compat.h b/include/linux/compat.h index 999dddd8d939..f061a1ea1b74 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -234,6 +234,11 @@ extern int get_compat_itimerspec(struct itimerspec *dst, extern int put_compat_itimerspec(struct compat_itimerspec __user *dst, const struct itimerspec *src); +asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz); +asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz); + asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); extern int compat_printk(const char *fmt, ...); diff --git a/include/linux/time.h b/include/linux/time.h index e15206a7e82e..51e883df0fa5 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -29,6 +29,8 @@ struct timezone { #ifdef __KERNEL__ +extern struct timezone sys_tz; + /* Parameters used to convert the timespec values: */ #define MSEC_PER_SEC 1000L #define USEC_PER_MSEC 1000L diff --git a/kernel/compat.c b/kernel/compat.c index 32c254a8ab9a..143990e48cb9 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -26,6 +26,64 @@ #include +/* + * Note that the native side is already converted to a timespec, because + * that's what we want anyway. + */ +static int compat_get_timeval(struct timespec *o, + struct compat_timeval __user *i) +{ + long usec; + + if (get_user(o->tv_sec, &i->tv_sec) || + get_user(usec, &i->tv_usec)) + return -EFAULT; + o->tv_nsec = usec * 1000; + return 0; +} + +static int compat_put_timeval(struct compat_timeval __user *o, + struct timeval *i) +{ + return (put_user(i->tv_sec, &o->tv_sec) || + put_user(i->tv_usec, &o->tv_usec)) ? -EFAULT : 0; +} + +asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz) +{ + if (tv) { + struct timeval ktv; + do_gettimeofday(&ktv); + if (compat_put_timeval(tv, &ktv)) + return -EFAULT; + } + if (tz) { + if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) + return -EFAULT; + } + + return 0; +} + +asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, + struct timezone __user *tz) +{ + struct timespec kts; + struct timezone ktz; + + if (tv) { + if (compat_get_timeval(&kts, tv)) + return -EFAULT; + } + if (tz) { + if (copy_from_user(&ktz, tz, sizeof(ktz))) + return -EFAULT; + } + + return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); +} + int get_compat_timespec(struct timespec *ts, const struct compat_timespec __user *cts) { return (!access_ok(VERIFY_READ, cts, sizeof(*cts)) || -- GitLab From bdab0ba3d9ad8de257ee6236daf314723748fde6 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:07 -0700 Subject: [PATCH 5357/6244] x86: rename iommu_num_pages function to iommu_nr_pages This series of patches re-introduces the iommu_num_pages function so that it can be used by each architecture specific IOMMU implementations. The series also changes IOMMU implementations for X86, Alpha, PowerPC and UltraSparc. The other implementations are not yet changed because the modifications required are not obvious and I can't test them on real hardware. This patch: This is a preparation patch for introducing a generic iommu_num_pages function. Signed-off-by: Joerg Roedel Cc: "David S. Miller" Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Ingo Molnar Cc: Thomas Gleixner Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Cc: Dave Airlie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/amd_iommu.c | 8 ++++---- arch/x86/kernel/pci-dma.c | 4 ++-- arch/x86/kernel/pci-gart_64.c | 8 ++++---- include/asm-x86/iommu.h | 2 +- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 34e4d112b1ef..10646acba9be 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -295,7 +295,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid, u64 address, size_t size) { int s = 0; - unsigned pages = iommu_num_pages(address, size); + unsigned pages = iommu_nr_pages(address, size); address &= PAGE_MASK; @@ -679,7 +679,7 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu, if (iommu->exclusion_start && iommu->exclusion_start < dma_dom->aperture_size) { unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT; - int pages = iommu_num_pages(iommu->exclusion_start, + int pages = iommu_nr_pages(iommu->exclusion_start, iommu->exclusion_length); dma_ops_reserve_addresses(dma_dom, startpage, pages); } @@ -935,7 +935,7 @@ static dma_addr_t __map_single(struct device *dev, unsigned long align_mask = 0; int i; - pages = iommu_num_pages(paddr, size); + pages = iommu_nr_pages(paddr, size); paddr &= PAGE_MASK; if (align) @@ -980,7 +980,7 @@ static void __unmap_single(struct amd_iommu *iommu, if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size)) return; - pages = iommu_num_pages(dma_addr, size); + pages = iommu_nr_pages(dma_addr, size); dma_addr &= PAGE_MASK; start = dma_addr; diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 0a3824e837b4..192624820217 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -125,13 +125,13 @@ void __init pci_iommu_alloc(void) pci_swiotlb_init(); } -unsigned long iommu_num_pages(unsigned long addr, unsigned long len) +unsigned long iommu_nr_pages(unsigned long addr, unsigned long len) { unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE); return size >> PAGE_SHIFT; } -EXPORT_SYMBOL(iommu_num_pages); +EXPORT_SYMBOL(iommu_nr_pages); #endif void *dma_generic_alloc_coherent(struct device *dev, size_t size, diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 145f1c83369f..14f1b41348fd 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -231,7 +231,7 @@ nonforced_iommu(struct device *dev, unsigned long addr, size_t size) static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, size_t size, int dir, unsigned long align_mask) { - unsigned long npages = iommu_num_pages(phys_mem, size); + unsigned long npages = iommu_nr_pages(phys_mem, size); unsigned long iommu_page = alloc_iommu(dev, npages, align_mask); int i; @@ -285,7 +285,7 @@ static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr, return; iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT; - npages = iommu_num_pages(dma_addr, size); + npages = iommu_nr_pages(dma_addr, size); for (i = 0; i < npages; i++) { iommu_gatt_base[iommu_page + i] = gart_unmapped_entry; CLEAR_LEAK(iommu_page + i); @@ -368,7 +368,7 @@ static int __dma_map_cont(struct device *dev, struct scatterlist *start, } addr = phys_addr; - pages = iommu_num_pages(s->offset, s->length); + pages = iommu_nr_pages(s->offset, s->length); while (pages--) { iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr); SET_LEAK(iommu_page); @@ -451,7 +451,7 @@ gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) seg_size += s->length; need = nextneed; - pages += iommu_num_pages(s->offset, s->length); + pages += iommu_nr_pages(s->offset, s->length); ps = s; } if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0) diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h index 546ad3110fea..961e746da977 100644 --- a/include/asm-x86/iommu.h +++ b/include/asm-x86/iommu.h @@ -8,7 +8,7 @@ extern int force_iommu, no_iommu; extern int iommu_detected; extern int dmar_disabled; -extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len); +extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); #ifdef CONFIG_GART_IOMMU extern int gart_iommu_aperture; -- GitLab From a7375762a5dca3e468f17e0b2e312b362dc9ef4c Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:08 -0700 Subject: [PATCH 5358/6244] sparc64: rename iommu_num_pages function to iommu_nr_pages This is a preparation patch for introducing a generic iommu_num_pages function. Signed-off-by: Joerg Roedel Acked-by: David S. Miller Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc64/kernel/iommu.c | 6 +++--- arch/sparc64/kernel/iommu_common.h | 4 ++-- arch/sparc64/kernel/pci_sun4v.c | 6 +++--- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c index 2a37a6ca2a16..f73b238cd2d4 100644 --- a/arch/sparc64/kernel/iommu.c +++ b/arch/sparc64/kernel/iommu.c @@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_num_pages(paddr, slen); + npages = iommu_nr_pages(paddr, slen); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -647,7 +647,7 @@ iommu_map_failed: iopte_t *base; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_num_pages(s->dma_address, s->dma_length); + npages = iommu_nr_pages(s->dma_address, s->dma_length); iommu_range_free(iommu, vaddr, npages); entry = (vaddr - iommu->page_table_map_base) @@ -715,7 +715,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_num_pages(dma_handle, len); + npages = iommu_nr_pages(dma_handle, len); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 53b19c8231a9..202d8ae2a67e 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h @@ -35,7 +35,7 @@ #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) -static inline unsigned long iommu_num_pages(unsigned long vaddr, +static inline unsigned long iommu_nr_pages(unsigned long vaddr, unsigned long slen) { unsigned long npages; @@ -53,7 +53,7 @@ static inline int is_span_boundary(unsigned long entry, struct scatterlist *sg) { unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); - int nr = iommu_num_pages(paddr, outs->dma_length + sg->length); + int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); return iommu_is_span_boundary(entry, nr, shift, boundary_size); } diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index e86c73ec167b..e24495407e89 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -384,7 +384,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_num_pages(paddr, slen); + npages = iommu_nr_pages(paddr, slen); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -461,7 +461,7 @@ iommu_map_failed: unsigned long vaddr, npages; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_num_pages(s->dma_address, s->dma_length); + npages = iommu_nr_pages(s->dma_address, s->dma_length); iommu_range_free(iommu, vaddr, npages); /* XXX demap? XXX */ s->dma_address = DMA_ERROR_CODE; @@ -500,7 +500,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_num_pages(dma_handle, len); + npages = iommu_nr_pages(dma_handle, len); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT); -- GitLab From 3400001c531d283068a60e9f884f7de6f22314be Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:09 -0700 Subject: [PATCH 5359/6244] powerpc: rename iommu_num_pages function to iommu_nr_pages This is a preparation patch for introducing a generic iommu_num_pages function. Signed-off-by: Joerg Roedel Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/powerpc/kernel/iommu.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 550a19399bfa..e2cf6320907e 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -51,7 +51,7 @@ static int protect4gb = 1; static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int); -static inline unsigned long iommu_num_pages(unsigned long vaddr, +static inline unsigned long iommu_nr_pages(unsigned long vaddr, unsigned long slen) { unsigned long npages; @@ -325,7 +325,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, } /* Allocate iommu entries for that segment */ vaddr = (unsigned long) sg_virt(s); - npages = iommu_num_pages(vaddr, slen); + npages = iommu_nr_pages(vaddr, slen); align = 0; if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE && (vaddr & ~PAGE_MASK) == 0) @@ -418,7 +418,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, unsigned long vaddr, npages; vaddr = s->dma_address & IOMMU_PAGE_MASK; - npages = iommu_num_pages(s->dma_address, s->dma_length); + npages = iommu_nr_pages(s->dma_address, s->dma_length); __iommu_free(tbl, vaddr, npages); s->dma_address = DMA_ERROR_CODE; s->dma_length = 0; @@ -452,7 +452,7 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, if (sg->dma_length == 0) break; - npages = iommu_num_pages(dma_handle, sg->dma_length); + npages = iommu_nr_pages(dma_handle, sg->dma_length); __iommu_free(tbl, dma_handle, npages); sg = sg_next(sg); } @@ -584,7 +584,7 @@ dma_addr_t iommu_map_single(struct device *dev, struct iommu_table *tbl, BUG_ON(direction == DMA_NONE); uaddr = (unsigned long)vaddr; - npages = iommu_num_pages(uaddr, size); + npages = iommu_nr_pages(uaddr, size); if (tbl) { align = 0; @@ -617,7 +617,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle, BUG_ON(direction == DMA_NONE); if (tbl) { - npages = iommu_num_pages(dma_handle, size); + npages = iommu_nr_pages(dma_handle, size); iommu_free(tbl, dma_handle, npages); } } -- GitLab From 56d936607408d71c4141b2ed501410b072f1e211 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:10 -0700 Subject: [PATCH 5360/6244] introduce generic iommu_num_pages function This patch introduces the generic iommu_num_pages function. It can be used by a given memory area. Signed-off-by: Joerg Roedel Cc: "David S. Miller" Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Ingo Molnar Cc: Thomas Gleixner Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Cc: Dave Airlie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/iommu-helper.h | 3 +++ lib/iommu-helper.c | 9 +++++++++ 2 files changed, 12 insertions(+) diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h index a6d0586e2bf7..3b068e5b5671 100644 --- a/include/linux/iommu-helper.h +++ b/include/linux/iommu-helper.h @@ -23,4 +23,7 @@ extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size, extern void iommu_area_free(unsigned long *map, unsigned long start, unsigned int nr); +extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len, + unsigned long io_page_size); + #endif diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c index 5d90074dca75..75dbda03f4fb 100644 --- a/lib/iommu-helper.c +++ b/lib/iommu-helper.c @@ -79,3 +79,12 @@ void iommu_area_free(unsigned long *map, unsigned long start, unsigned int nr) } } EXPORT_SYMBOL(iommu_area_free); + +unsigned long iommu_num_pages(unsigned long addr, unsigned long len, + unsigned long io_page_size) +{ + unsigned long size = (addr & (io_page_size - 1)) + len; + + return DIV_ROUND_UP(size, io_page_size); +} +EXPORT_SYMBOL(iommu_num_pages); -- GitLab From 1477b8e5f13266bbf0389baafd39a90ff29c5f61 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:11 -0700 Subject: [PATCH 5361/6244] x86: convert GART driver to generic iommu_num_pages function Signed-off-by: Joerg Roedel Cc: Ingo Molnar Cc: Thomas Gleixner Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Cc: Dave Airlie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/pci-gart_64.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 14f1b41348fd..e3f75bbcedea 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -231,7 +231,7 @@ nonforced_iommu(struct device *dev, unsigned long addr, size_t size) static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem, size_t size, int dir, unsigned long align_mask) { - unsigned long npages = iommu_nr_pages(phys_mem, size); + unsigned long npages = iommu_num_pages(phys_mem, size, PAGE_SIZE); unsigned long iommu_page = alloc_iommu(dev, npages, align_mask); int i; @@ -285,7 +285,7 @@ static void gart_unmap_single(struct device *dev, dma_addr_t dma_addr, return; iommu_page = (dma_addr - iommu_bus_base)>>PAGE_SHIFT; - npages = iommu_nr_pages(dma_addr, size); + npages = iommu_num_pages(dma_addr, size, PAGE_SIZE); for (i = 0; i < npages; i++) { iommu_gatt_base[iommu_page + i] = gart_unmapped_entry; CLEAR_LEAK(iommu_page + i); @@ -368,7 +368,7 @@ static int __dma_map_cont(struct device *dev, struct scatterlist *start, } addr = phys_addr; - pages = iommu_nr_pages(s->offset, s->length); + pages = iommu_num_pages(s->offset, s->length, PAGE_SIZE); while (pages--) { iommu_gatt_base[iommu_page] = GPTE_ENCODE(addr); SET_LEAK(iommu_page); @@ -451,7 +451,7 @@ gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir) seg_size += s->length; need = nextneed; - pages += iommu_nr_pages(s->offset, s->length); + pages += iommu_num_pages(s->offset, s->length, PAGE_SIZE); ps = s; } if (dma_map_cont(dev, start_sg, i - start, sgmap, pages, need) < 0) -- GitLab From e3c449f526cebb8d287241c7e82faafd9709668b Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:11 -0700 Subject: [PATCH 5362/6244] x86, AMD IOMMU: convert driver to generic iommu_num_pages function Signed-off-by: Joerg Roedel Cc: Ingo Molnar Cc: Thomas Gleixner Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/amd_iommu.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 10646acba9be..a8fd9ebdc8e2 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -295,7 +295,7 @@ static int iommu_flush_pages(struct amd_iommu *iommu, u16 domid, u64 address, size_t size) { int s = 0; - unsigned pages = iommu_nr_pages(address, size); + unsigned pages = iommu_num_pages(address, size, PAGE_SIZE); address &= PAGE_MASK; @@ -679,8 +679,9 @@ static struct dma_ops_domain *dma_ops_domain_alloc(struct amd_iommu *iommu, if (iommu->exclusion_start && iommu->exclusion_start < dma_dom->aperture_size) { unsigned long startpage = iommu->exclusion_start >> PAGE_SHIFT; - int pages = iommu_nr_pages(iommu->exclusion_start, - iommu->exclusion_length); + int pages = iommu_num_pages(iommu->exclusion_start, + iommu->exclusion_length, + PAGE_SIZE); dma_ops_reserve_addresses(dma_dom, startpage, pages); } @@ -935,7 +936,7 @@ static dma_addr_t __map_single(struct device *dev, unsigned long align_mask = 0; int i; - pages = iommu_nr_pages(paddr, size); + pages = iommu_num_pages(paddr, size, PAGE_SIZE); paddr &= PAGE_MASK; if (align) @@ -980,7 +981,7 @@ static void __unmap_single(struct amd_iommu *iommu, if ((dma_addr == 0) || (dma_addr + size > dma_dom->aperture_size)) return; - pages = iommu_nr_pages(dma_addr, size); + pages = iommu_num_pages(dma_addr, size, PAGE_SIZE); dma_addr &= PAGE_MASK; start = dma_addr; -- GitLab From 036b4c50fe99a2f308f36561335b9904ab507972 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:12 -0700 Subject: [PATCH 5363/6244] x86: convert Calgary IOMMU driver to generic iommu_num_pages function Signed-off-by: Joerg Roedel Cc: Ingo Molnar Cc: Thomas Gleixner Cc: FUJITA Tomonori Acked-by: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/kernel/pci-calgary_64.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 080d1d27f37a..e1e731d78f38 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -217,16 +217,6 @@ static inline unsigned long verify_bit_range(unsigned long* bitmap, #endif /* CONFIG_IOMMU_DEBUG */ -static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen) -{ - unsigned int npages; - - npages = PAGE_ALIGN(dma + dmalen) - (dma & PAGE_MASK); - npages >>= PAGE_SHIFT; - - return npages; -} - static inline int translation_enabled(struct iommu_table *tbl) { /* only PHBs with translation enabled have an IOMMU table */ @@ -408,7 +398,7 @@ static void calgary_unmap_sg(struct device *dev, if (dmalen == 0) break; - npages = num_dma_pages(dma, dmalen); + npages = iommu_num_pages(dma, dmalen, PAGE_SIZE); iommu_free(tbl, dma, npages); } } @@ -427,7 +417,7 @@ static int calgary_map_sg(struct device *dev, struct scatterlist *sg, BUG_ON(!sg_page(s)); vaddr = (unsigned long) sg_virt(s); - npages = num_dma_pages(vaddr, s->length); + npages = iommu_num_pages(vaddr, s->length, PAGE_SIZE); entry = iommu_range_alloc(dev, tbl, npages); if (entry == bad_dma_address) { @@ -464,7 +454,7 @@ static dma_addr_t calgary_map_single(struct device *dev, phys_addr_t paddr, struct iommu_table *tbl = find_iommu_table(dev); uaddr = (unsigned long)vaddr; - npages = num_dma_pages(uaddr, size); + npages = iommu_num_pages(uaddr, size, PAGE_SIZE); return iommu_alloc(dev, tbl, vaddr, npages, direction); } @@ -475,7 +465,7 @@ static void calgary_unmap_single(struct device *dev, dma_addr_t dma_handle, struct iommu_table *tbl = find_iommu_table(dev); unsigned int npages; - npages = num_dma_pages(dma_handle, size); + npages = iommu_num_pages(dma_handle, size, PAGE_SIZE); iommu_free(tbl, dma_handle, npages); } -- GitLab From 2994a3b2653a3ab04f7b1459ce2442baecb62961 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:13 -0700 Subject: [PATCH 5364/6244] powerpc: use iommu_num_pages function in IOMMU code Signed-off-by: Joerg Roedel Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/powerpc/kernel/iommu.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index e2cf6320907e..ea1ba89f9c90 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -51,17 +51,6 @@ static int protect4gb = 1; static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int); -static inline unsigned long iommu_nr_pages(unsigned long vaddr, - unsigned long slen) -{ - unsigned long npages; - - npages = IOMMU_PAGE_ALIGN(vaddr + slen) - (vaddr & IOMMU_PAGE_MASK); - npages >>= IOMMU_PAGE_SHIFT; - - return npages; -} - static int __init setup_protect4gb(char *str) { if (strcmp(str, "on") == 0) @@ -325,7 +314,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, } /* Allocate iommu entries for that segment */ vaddr = (unsigned long) sg_virt(s); - npages = iommu_nr_pages(vaddr, slen); + npages = iommu_num_pages(vaddr, slen, IOMMU_PAGE_SIZE); align = 0; if (IOMMU_PAGE_SHIFT < PAGE_SHIFT && slen >= PAGE_SIZE && (vaddr & ~PAGE_MASK) == 0) @@ -418,7 +407,8 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, unsigned long vaddr, npages; vaddr = s->dma_address & IOMMU_PAGE_MASK; - npages = iommu_nr_pages(s->dma_address, s->dma_length); + npages = iommu_num_pages(s->dma_address, s->dma_length, + IOMMU_PAGE_SIZE); __iommu_free(tbl, vaddr, npages); s->dma_address = DMA_ERROR_CODE; s->dma_length = 0; @@ -452,7 +442,8 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, if (sg->dma_length == 0) break; - npages = iommu_nr_pages(dma_handle, sg->dma_length); + npages = iommu_num_pages(dma_handle, sg->dma_length, + IOMMU_PAGE_SIZE); __iommu_free(tbl, dma_handle, npages); sg = sg_next(sg); } @@ -584,7 +575,7 @@ dma_addr_t iommu_map_single(struct device *dev, struct iommu_table *tbl, BUG_ON(direction == DMA_NONE); uaddr = (unsigned long)vaddr; - npages = iommu_nr_pages(uaddr, size); + npages = iommu_num_pages(uaddr, size, IOMMU_PAGE_SIZE); if (tbl) { align = 0; @@ -617,7 +608,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle, BUG_ON(direction == DMA_NONE); if (tbl) { - npages = iommu_nr_pages(dma_handle, size); + npages = iommu_num_pages(dma_handle, size, IOMMU_PAGE_SIZE); iommu_free(tbl, dma_handle, npages); } } -- GitLab From eb117d3e519f99567ddd2c86386a6e64c6e471cd Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:13 -0700 Subject: [PATCH 5365/6244] alpha: use iommu_num_pages function in IOMMU code Signed-off-by: Joerg Roedel Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/kernel/pci_iommu.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 2179c602032a..b9094da05d7a 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -41,13 +41,6 @@ mk_iommu_pte(unsigned long paddr) return (paddr >> (PAGE_SHIFT-1)) | 1; } -static inline long -calc_npages(long bytes) -{ - return (bytes + PAGE_SIZE - 1) >> PAGE_SHIFT; -} - - /* Return the minimum of MAX or the first power of two larger than main memory. */ @@ -287,7 +280,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, if (!arena || arena->dma_base + arena->size - 1 > max_dma) arena = hose->sg_isa; - npages = calc_npages((paddr & ~PAGE_MASK) + size); + npages = iommu_num_pages(paddr, size, PAGE_SIZE); /* Force allocation to 64KB boundary for ISA bridges. */ if (pdev && pdev == isa_bridge) @@ -387,7 +380,7 @@ pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, BUG(); } - npages = calc_npages((dma_addr & ~PAGE_MASK) + size); + npages = iommu_num_pages(dma_addr, size, PAGE_SIZE); spin_lock_irqsave(&arena->lock, flags); @@ -580,7 +573,7 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end, contiguous. */ paddr &= ~PAGE_MASK; - npages = calc_npages(paddr + size); + npages = iommu_num_pages(paddr, size, PAGE_SIZE); dma_ofs = iommu_arena_alloc(dev, arena, npages, 0); if (dma_ofs < 0) { /* If we attempted a direct map above but failed, die. */ @@ -616,7 +609,7 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end, sg++; } - npages = calc_npages((paddr & ~PAGE_MASK) + size); + npages = iommu_num_pages(paddr, size, PAGE_SIZE); paddr &= PAGE_MASK; for (i = 0; i < npages; ++i, paddr += PAGE_SIZE) @@ -775,7 +768,7 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, DBGA(" (%ld) sg [%lx,%lx]\n", sg - end + nents, addr, size); - npages = calc_npages((addr & ~PAGE_MASK) + size); + npages = iommu_num_pages(addr, size, PAGE_SIZE); ofs = (addr - arena->dma_base) >> PAGE_SHIFT; iommu_arena_free(arena, ofs, npages); -- GitLab From 0fcff28f47194445f37264d750dbb13d3d894d0b Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 15 Oct 2008 22:02:14 -0700 Subject: [PATCH 5366/6244] sparc64: use iommu_num_pages function in IOMMU code Signed-off-by: Joerg Roedel Acked-by: David S. Miller Cc: FUJITA Tomonori Cc: Muli Ben-Yehuda Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc64/kernel/iommu.c | 7 ++++--- arch/sparc64/kernel/iommu_common.h | 14 ++------------ arch/sparc64/kernel/pci_sun4v.c | 7 ++++--- 3 files changed, 10 insertions(+), 18 deletions(-) diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c index f73b238cd2d4..1cc1995531e2 100644 --- a/arch/sparc64/kernel/iommu.c +++ b/arch/sparc64/kernel/iommu.c @@ -575,7 +575,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_nr_pages(paddr, slen); + npages = iommu_num_pages(paddr, slen, IO_PAGE_SIZE); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -647,7 +647,8 @@ iommu_map_failed: iopte_t *base; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_nr_pages(s->dma_address, s->dma_length); + npages = iommu_num_pages(s->dma_address, s->dma_length, + IO_PAGE_SIZE); iommu_range_free(iommu, vaddr, npages); entry = (vaddr - iommu->page_table_map_base) @@ -715,7 +716,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_nr_pages(dma_handle, len); + npages = iommu_num_pages(dma_handle, len, IO_PAGE_SIZE); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 202d8ae2a67e..591f5879039c 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h @@ -35,17 +35,6 @@ #define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG)))) -static inline unsigned long iommu_nr_pages(unsigned long vaddr, - unsigned long slen) -{ - unsigned long npages; - - npages = IO_PAGE_ALIGN(vaddr + slen) - (vaddr & IO_PAGE_MASK); - npages >>= IO_PAGE_SHIFT; - - return npages; -} - static inline int is_span_boundary(unsigned long entry, unsigned long shift, unsigned long boundary_size, @@ -53,7 +42,8 @@ static inline int is_span_boundary(unsigned long entry, struct scatterlist *sg) { unsigned long paddr = SG_ENT_PHYS_ADDRESS(outs); - int nr = iommu_nr_pages(paddr, outs->dma_length + sg->length); + int nr = iommu_num_pages(paddr, outs->dma_length + sg->length, + IO_PAGE_SIZE); return iommu_is_span_boundary(entry, nr, shift, boundary_size); } diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index e24495407e89..34a1fded3941 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -384,7 +384,7 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, } /* Allocate iommu entries for that segment */ paddr = (unsigned long) SG_ENT_PHYS_ADDRESS(s); - npages = iommu_nr_pages(paddr, slen); + npages = iommu_num_pages(paddr, slen, IO_PAGE_SIZE); entry = iommu_range_alloc(dev, iommu, npages, &handle); /* Handle failure */ @@ -461,7 +461,8 @@ iommu_map_failed: unsigned long vaddr, npages; vaddr = s->dma_address & IO_PAGE_MASK; - npages = iommu_nr_pages(s->dma_address, s->dma_length); + npages = iommu_num_pages(s->dma_address, s->dma_length, + IO_PAGE_SIZE); iommu_range_free(iommu, vaddr, npages); /* XXX demap? XXX */ s->dma_address = DMA_ERROR_CODE; @@ -500,7 +501,7 @@ static void dma_4v_unmap_sg(struct device *dev, struct scatterlist *sglist, if (!len) break; - npages = iommu_nr_pages(dma_handle, len); + npages = iommu_num_pages(dma_handle, len, IO_PAGE_SIZE); iommu_range_free(iommu, dma_handle, npages); entry = ((dma_handle - iommu->page_table_map_base) >> IO_PAGE_SHIFT); -- GitLab From fe2a7dbc85f37c721133c83c856f845c4ce9b602 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:15 -0700 Subject: [PATCH 5367/6244] checkpatch: square brackets -- exemption for array slices in braces It is wholy reasonable to have square brackets representing array slices in braces on the same line. These should be spaced. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index bc6779398229..6f821a0e0024 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1493,11 +1493,13 @@ sub process { # check for spacing round square brackets; allowed: # 1. with a type on the left -- int [] a; -# 2. at the beginning of a line for slice initialisers -- [0..10] = 5, +# 2. at the beginning of a line for slice initialisers -- [0...10] = 5, +# 3. inside a curly brace -- = { [0...10] = 5 } while ($line =~ /(.*?\s)\[/g) { my ($where, $prefix) = ($-[1], $1); if ($prefix !~ /$Type\s+$/ && - ($where != 0 || $prefix !~ /^.\s+$/)) { + ($where != 0 || $prefix !~ /^.\s+$/) && + $prefix !~ /{\s+$/) { ERROR("space prohibited before open square bracket '['\n" . $herecurr); } } -- GitLab From 0d413866c7df63794790518e3fd5890969c206ad Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:16 -0700 Subject: [PATCH 5368/6244] checkpatch: values: double ampersand may be unary It is possible to use double ampersand (&&) in unary context where it means the address of a goto label. Handle spacing for it. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6f821a0e0024..114821364c00 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -858,7 +858,7 @@ sub annotate_values { print "CLOSE($1)\n" if ($dbg_values > 1); $type = 'N'; - } elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&(?!\&))/o) { + } elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) { my $variant; print "OPV($1)\n" if ($dbg_values > 1); @@ -1634,7 +1634,7 @@ sub process { # unary operator, or a cast } elsif ($op eq '!' || $op eq '~' || $opv eq '*U' || $opv eq '-U' || - $opv eq '&U') { + $opv eq '&U' || $opv eq '&&U') { if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) { ERROR("space required before that '$op' $at\n" . $hereptr); } -- GitLab From 14b111c158116f02c1c862397075e28ac12d65d6 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:16 -0700 Subject: [PATCH 5369/6244] checkpatch: conditional indent -- labels have different indent rules Labels have different indent rules and must be ignored when checking the conditional indent levels. Also correct identify labels in single statement conditionals. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 114821364c00..1e7d2cdd0c20 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -782,9 +782,9 @@ sub annotate_values { } $type = 'N'; - } elsif ($cur =~ /^(if|while|typeof|__typeof__|for)\b/o) { + } elsif ($cur =~ /^(if|while|for)\b/o) { print "COND($1)\n" if ($dbg_values > 1); - $av_pending = 'N'; + $av_pending = 'E'; $type = 'N'; } elsif ($cur =~/^(case)/o) { @@ -792,7 +792,7 @@ sub annotate_values { $av_pend_colon = 'C'; $type = 'N'; - } elsif ($cur =~/^(return|else|goto)/o) { + } elsif ($cur =~/^(return|else|goto|typeof|__typeof__)\b/o) { print "KEYWORD($1)\n" if ($dbg_values > 1); $type = 'N'; @@ -1846,6 +1846,11 @@ sub process { $check = 0; } + # Ignore the current line if it is label. + if ($s =~ /^\s*$Ident\s*:/) { + $check = 0; + } + my (undef, $sindent) = line_stats("+" . $s); ##print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s>\n"; -- GitLab From 1bdab9e5881fde3bf66528db5b91477ce4b35b3b Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:17 -0700 Subject: [PATCH 5370/6244] checkpatch: switch indent allow plain return It is a common and sane idiom to allow a single return on the end of a case statement: switch (...) { case foo: return bar; } Add an exception for this. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1e7d2cdd0c20..c6782ac6f130 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1295,7 +1295,11 @@ sub process { } } if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && - $line !~ /\G(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$/g) { + $line !~ /\G(?: + (?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| + \s*return\s+ + )/xg) + { ERROR("trailing statements should be on next line\n" . $herecurr); } -- GitLab From a1ef277e2c88c80cfa00580469133e2215442c8d Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:17 -0700 Subject: [PATCH 5371/6244] checkpatch: add tests for the attribute matcher Add support for direct testing of the attribute matcher, add basic tests for it. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c6782ac6f130..1c032b1fa9eb 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -66,6 +66,7 @@ if ($#ARGV < 0) { my $dbg_values = 0; my $dbg_possible = 0; my $dbg_type = 0; +my $dbg_attr = 0; for my $key (keys %debug) { eval "\${dbg_$key} = '$debug{$key}';" } @@ -1367,6 +1368,15 @@ sub process { } next; } +# TEST: allow direct testing of the attribute matcher. + if ($dbg_attr) { + if ($line =~ /^.\s*$Attribute\s*$/) { + ERROR("TEST: is attr\n" . $herecurr); + } elsif ($dbg_attr > 1 && $line =~ /^.+($Attribute)/) { + ERROR("TEST: is not attr ($1 is)\n". $herecurr); + } + next; + } # check for initialisation to aggregates open brace on the next line if ($prevline =~ /$Declare\s*$Ident\s*=\s*$/ && -- GitLab From 24e1d81acd447c3a7ec9eb90f24c00edc5a4b09f Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:18 -0700 Subject: [PATCH 5372/6244] checkpatch: ____cacheline_aligned et al are modifiers Add the cacheline alignment modifiers to the attribute lists. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 1c032b1fa9eb..303c3634198b 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -113,7 +113,10 @@ our $Attribute = qr{ const| __read_mostly| __kprobes| - __(?:mem|cpu|dev|)(?:initdata|init) + __(?:mem|cpu|dev|)(?:initdata|init)| + ____cacheline_aligned| + ____cacheline_aligned_in_smp| + ____cacheline_internodealigned_in_smp }x; our $Modifier; our $Inline = qr{inline|__always_inline|noinline}; -- GitLab From 636d140a80912693be466e8d978e658189972989 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:18 -0700 Subject: [PATCH 5373/6244] checkpatch: complex macros -- fix up extension handling Only pull in new extension lines where the current contents ends with a \. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 303c3634198b..586f9a4f0ad0 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1977,8 +1977,8 @@ sub process { # Extract the remainder of the define (if any) and # rip off surrounding spaces, and trailing \'s. $rest = ''; - while ($off != 0 || ($cnt > 0 && $rest =~ /(?:^|\\)\s*$/)) { - #print "ADDING $off <" . substr($lines[$ln - 1], $off) . ">\n"; + while ($off != 0 || ($cnt > 0 && $rest =~ /\\\s*$/)) { + #print "ADDING cnt<$cnt> $off <" . substr($lines[$ln - 1], $off) . "> rest<$rest>\n"; if ($off != 0 || $lines[$ln - 1] !~ /^-/) { $rest .= substr($lines[$ln - 1], $off) . "\n"; $cnt--; -- GitLab From 01fa91471e9559d72c0c93ea7cca6f9fe6c2d1c3 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:19 -0700 Subject: [PATCH 5374/6244] checkpatch: fix up comment checks search to scan the entire block We are not counting the lines in the block correctly which causes the comment scan to stop prematurly and thus miss comments which end at the end of the block. Fix this up. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 586f9a4f0ad0..482768cd5790 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1029,9 +1029,14 @@ sub process { # edge is a close comment then we must be in a comment # at context start. my $edge; - for (my $ln = $linenr + 1; $ln < ($linenr + $realcnt); $ln++) { - next if ($line =~ /^-/); - ($edge) = ($rawlines[$ln - 1] =~ m@(/\*|\*/)@); + my $cnt = $realcnt; + for (my $ln = $linenr + 1; $cnt > 0; $ln++) { + next if (defined $rawlines[$ln - 1] && + $rawlines[$ln - 1] =~ /^-/); + $cnt--; + #print "RAW<$rawlines[$ln - 1]>\n"; + ($edge) = (defined $rawlines[$ln - 1] && + $rawlines[$ln - 1] =~ m@(/\*|\*/)@); last if (defined $edge); } if (defined $edge && $edge eq '*/') { -- GitLab From c1ab33269a84d6056d2ffc728d8bbaa26377d3e3 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:20 -0700 Subject: [PATCH 5375/6244] checkpatch: include/asm checks should be anchored It is possible to have other include/asm paths within the tree which are not subject to the do not edit checks. Ignore those. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 482768cd5790..0e5af8ed107e 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1134,7 +1134,7 @@ sub process { $realfile = $1; $realfile =~ s@^[^/]*/@@; - if ($realfile =~ m@include/asm/@) { + if ($realfile =~ m@^include/asm/@) { ERROR("do not modify files in include/asm, change architecture specific files in include/asm-\n" . "$here$rawline\n"); } next; -- GitLab From e09dec4831bbb319987215ea0a280b2a620021b7 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:20 -0700 Subject: [PATCH 5376/6244] checkpatch: reduce warnings for #include of asm/foo.h to check from arch/bar.c It is much more likely that an architecture file will want to directly include asm header files. Reduce this WARNING to a CHECK when the referencing file is in the arch directory. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 0e5af8ed107e..9e7e9d1d5958 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1942,12 +1942,17 @@ sub process { #warn if is #included and is available (uses RAW line) if ($tree && $rawline =~ m{^.\s*\#\s*include\s*\}) { - my $checkfile = "include/linux/$1.h"; - if (-f "$root/$checkfile" && $realfile ne $checkfile && + my $file = "$1.h"; + my $checkfile = "include/linux/$file"; + if (-f "$root/$checkfile" && + $realfile ne $checkfile && $1 ne 'irq') { - WARN("Use #include instead of \n" . - $herecurr); + if ($realfile =~ m{^arch/}) { + CHK("Consider using #include instead of \n" . $herecurr); + } else { + WARN("Use #include instead of \n" . $herecurr); + } } } -- GitLab From 6ecd967444223cea4a02d55fdc0f0510baa69523 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:21 -0700 Subject: [PATCH 5377/6244] checkpatch: report any absolute references to kernel source files Absolute references to kernel source files are generally only useful locally to the originator of the patch. Check for any such references and report them. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9e7e9d1d5958..cc61cf7187ef 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -958,6 +958,33 @@ sub CHK { } } +sub check_absolute_file { + my ($absolute, $herecurr) = @_; + my $file = $absolute; + + ##print "absolute<$absolute>\n"; + + # See if any suffix of this path is a path within the tree. + while ($file =~ s@^[^/]*/@@) { + if (-f "$root/$file") { + ##print "file<$file>\n"; + last; + } + } + if (! -f _) { + return 0; + } + + # It is, so see if the prefix is acceptable. + my $prefix = $absolute; + substr($prefix, -length($file)) = ''; + + ##print "prefix<$prefix>\n"; + if ($prefix ne ".../") { + WARN("use relative pathname instead of absolute in changelog text\n" . $herecurr); + } +} + sub process { my $filename = shift; @@ -1168,6 +1195,20 @@ sub process { $herecurr) if (!$emitted_corrupt++); } +# Check for absolute kernel paths. + if ($tree) { + while ($line =~ m{(?:^|\s)(/\S*)}g) { + my $file = $1; + + if ($file =~ m{^(.*?)(?::\d+)+:?$} && + check_absolute_file($1, $herecurr)) { + # + } else { + check_absolute_file($file, $herecurr); + } + } + } + # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php if (($realfile =~ /^$/ || $line =~ /^\+/) && $rawline !~ m/^$UTF8*$/) { -- GitLab From 4d001e4d88a57ba8347b43e3a20412cd6b67fbd7 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:21 -0700 Subject: [PATCH 5378/6244] checkpatch: report the real first line of all suspect indents We are currently only reporting syspect indents if the conditional is modified but the indent missmatch could be generated by the body changing, make sure we catch both. Also only report the first line of the body, and more importantly make sure we report the raw copy of the line. Finally report the indent levels to make it easier to understand what is wrong. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 141 ++++++++++++++++++++++++++---------------- 1 file changed, 86 insertions(+), 55 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index cc61cf7187ef..e3ae79ab2cab 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -673,6 +673,22 @@ sub ctx_has_comment { return ($cmt ne ''); } +sub raw_line { + my ($linenr, $cnt) = @_; + + my $offset = $linenr - 1; + $cnt++; + + my $line; + while ($cnt) { + $line = $rawlines[$offset++]; + next if (defined($line) && $line =~ /^-/); + $cnt--; + } + + return $line; +} + sub cat_vet { my ($vet) = @_; my ($res, $coded); @@ -1392,6 +1408,76 @@ sub process { } } +# Check relative indent for conditionals and blocks. + if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { + my ($s, $c) = ($stat, $cond); + + substr($s, 0, length($c), ''); + + # Make sure we remove the line prefixes as we have + # none on the first line, and are going to readd them + # where necessary. + $s =~ s/\n./\n/gs; + + # Find out how long the conditional actually is. + my $cond_lines = 0 + $c =~ /\n/gs; + + # We want to check the first line inside the block + # starting at the end of the conditional, so remove: + # 1) any blank line termination + # 2) any opening brace { on end of the line + # 3) any do (...) { + my $continuation = 0; + my $check = 0; + $s =~ s/^.*\bdo\b//; + $s =~ s/^\s*{//; + if ($s =~ s/^\s*\\//) { + $continuation = 1; + } + if ($s =~ s/^\s*\n//) { + $check = 1; + $cond_lines++; + } + + # Also ignore a loop construct at the end of a + # preprocessor statement. + if (($prevline =~ /^.\s*#\s*define\s/ || + $prevline =~ /\\\s*$/) && $continuation == 0) { + $check = 0; + } + + # Ignore the current line if its is a preprocessor + # line. + if ($s =~ /^\s*#\s*/) { + $check = 0; + } + + # Ignore the current line if it is label. + if ($s =~ /^\s*$Ident\s*:/) { + $check = 0; + } + + my (undef, $sindent) = line_stats("+" . $s); + my $stat_real = raw_line($linenr, $cond_lines); + + # Check if either of these lines are modified, else + # this is not this patch's fault. + if (!defined($stat_real) || + $stat !~ /^\+/ && $stat_real !~ /^\+/) { + $check = 0; + } + if (defined($stat_real) && $cond_lines > 1) { + $stat_real = "[...]\n$stat_real"; + } + + ##print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n"; + + if ($check && (($sindent % 8) != 0 || + ($sindent <= $indent && $s ne ''))) { + WARN("suspect code indent for conditional statements ($indent, $sindent)\n" . $herecurr . "$stat_real\n"); + } + } + # Track the 'values' across context and added lines. my $opline = $line; $opline =~ s/^./ /; my ($curr_values, $curr_vars) = @@ -1869,61 +1955,6 @@ sub process { } } -# Check relative indent for conditionals and blocks. - if ($line =~ /\b(?:(?:if|while|for)\s*\(|do\b)/ && $line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) { - my ($s, $c) = ($stat, $cond); - - substr($s, 0, length($c), ''); - - # Make sure we remove the line prefixes as we have - # none on the first line, and are going to readd them - # where necessary. - $s =~ s/\n./\n/gs; - - # We want to check the first line inside the block - # starting at the end of the conditional, so remove: - # 1) any blank line termination - # 2) any opening brace { on end of the line - # 3) any do (...) { - my $continuation = 0; - my $check = 0; - $s =~ s/^.*\bdo\b//; - $s =~ s/^\s*{//; - if ($s =~ s/^\s*\\//) { - $continuation = 1; - } - if ($s =~ s/^\s*\n//) { - $check = 1; - } - - # Also ignore a loop construct at the end of a - # preprocessor statement. - if (($prevline =~ /^.\s*#\s*define\s/ || - $prevline =~ /\\\s*$/) && $continuation == 0) { - $check = 0; - } - - # Ignore the current line if its is a preprocessor - # line. - if ($s =~ /^\s*#\s*/) { - $check = 0; - } - - # Ignore the current line if it is label. - if ($s =~ /^\s*$Ident\s*:/) { - $check = 0; - } - - my (undef, $sindent) = line_stats("+" . $s); - - ##print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s>\n"; - - if ($check && (($sindent % 8) != 0 || - ($sindent <= $indent && $s ne ''))) { - WARN("suspect code indent for conditional statements\n" . $herecurr); - } - } - # Check for bitwise tests written as boolean if ($line =~ / (?: -- GitLab From 9bd49efe4e4bf88d9c1026db50325fd1b2e59519 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:22 -0700 Subject: [PATCH 5379/6244] checkpatch: suspect indent -- skip over preprocessor, label and blank lines We should skip over and check the lines which follow preprocessor statements, labels, and blank lines. These all have legitimate reasons to be indented differently. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index e3ae79ab2cab..6ddae89c3cfa 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1434,7 +1434,7 @@ sub process { if ($s =~ s/^\s*\\//) { $continuation = 1; } - if ($s =~ s/^\s*\n//) { + if ($s =~ s/^\s*?\n//) { $check = 1; $cond_lines++; } @@ -1446,15 +1446,20 @@ sub process { $check = 0; } - # Ignore the current line if its is a preprocessor - # line. - if ($s =~ /^\s*#\s*/) { - $check = 0; - } + my $cond_ptr = -1; + while ($cond_ptr != $cond_lines) { + $cond_ptr = $cond_lines; - # Ignore the current line if it is label. - if ($s =~ /^\s*$Ident\s*:/) { - $check = 0; + # Ignore: + # 1) blank lines, they should be at 0, + # 2) preprocessor lines, and + # 3) labels. + if ($s =~ /^\s*?\n/ || + $s =~ /^\s*#\s*?/ || + $s =~ /^\s*$Ident\s*:/) { + $s =~ s/^.*?\n//; + $cond_lines++; + } } my (undef, $sindent) = line_stats("+" . $s); @@ -1470,7 +1475,7 @@ sub process { $stat_real = "[...]\n$stat_real"; } - ##print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n"; + #print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n"; if ($check && (($sindent % 8) != 0 || ($sindent <= $indent && $s ne ''))) { -- GitLab From 2a1bc5d5c5096f2dfb6f8b18f39ecb718f101535 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:23 -0700 Subject: [PATCH 5380/6244] checkpatch: %Lx tests should hand %% as a literal Ensure that we handle literal %'s correctly when adjacent to a %Lx. %Lx bad %%Lx good %%%Lx bad Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6ddae89c3cfa..c7980ff2975e 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2392,6 +2392,7 @@ sub process { my $string; while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) { $string = substr($rawline, $-[1], $+[1] - $-[1]); + $string =~ s/%%/__/g; if ($string =~ /(? Date: Wed, 15 Oct 2008 22:02:23 -0700 Subject: [PATCH 5381/6244] checkpatch: report the correct lines for single statement blocks Report the correct lines for single statement blocks. Currently we are reporting the right number of lines, but not skipping the negative lines. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c7980ff2975e..36825c3d7d79 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2214,10 +2214,10 @@ sub process { } if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) { my $herectx = $here . "\n";; - my $end = $linenr + statement_rawlines($block) - 1; + my $cnt = statement_rawlines($block); - for (my $ln = $linenr - 1; $ln < $end; $ln++) { - $herectx .= $rawlines[$ln] . "\n";; + for (my $n = 0; $n < $cnt; $n++) { + $herectx .= raw_line($linenr, $n) . "\n";; } WARN("braces {} are not necessary for single statement blocks\n" . $herectx); -- GitLab From b9ea10d691ecb616ce9e4d7a51400dfd93f52b2d Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:24 -0700 Subject: [PATCH 5382/6244] checkpatch: perform indent checks on perl So that we eat our own dog food ensure the indent checks apply to perl too. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 36825c3d7d79..ba677c17c334 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1266,8 +1266,8 @@ sub process { WARN("adding a line without newline at end of file\n" . $herecurr); } -# check we are in a valid source file *.[hc] if not then ignore this hunk - next if ($realfile !~ /\.[hc]$/); +# check we are in a valid source file C or perl if not then ignore this hunk + next if ($realfile !~ /\.(h|c|pl)$/); # at the beginning of a line any tabs must come first and anything # more than 8 must use tabs. @@ -1277,6 +1277,9 @@ sub process { ERROR("code indent should use tabs where possible\n" . $herevet); } +# check we are in a valid C source file if not then ignore this hunk + next if ($realfile !~ /\.(h|c)$/); + # check for RCS/CVS revision markers if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) { WARN("CVS style keyword markers, these will _not_ be updated\n". $herecurr); -- GitLab From dea79cd3dfb4a50e4c3d0dcb7294f6d633b455d1 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:24 -0700 Subject: [PATCH 5383/6244] checkpatch: version: 0.22 Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ba677c17c334..66bcedc0c8b3 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -9,7 +9,7 @@ use strict; my $P = $0; $P =~ s@.*/@@g; -my $V = '0.21'; +my $V = '0.22'; use Getopt::Long qw(:config no_auto_abbrev); -- GitLab From a1080bf80862c571b5f0a20cb601e24dd90e2026 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:25 -0700 Subject: [PATCH 5384/6244] checkpatch: case/default checks should only check changed lines We should only be checking changes lines for the trailing statement check on case/default statements. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 66bcedc0c8b3..457f87460d6e 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1363,14 +1363,6 @@ sub process { ERROR("switch and case should be at the same indent\n$hereline$err"); } } - if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && - $line !~ /\G(?: - (?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| - \s*return\s+ - )/xg) - { - ERROR("trailing statements should be on next line\n" . $herecurr); - } # if/while/etc brace do not go on next line, unless defining a do while loop, # or if that brace on the next line is for something else @@ -1986,6 +1978,15 @@ sub process { ERROR("trailing statements should be on next line\n" . $herecurr); } } +# case and default should not have general statements after them + if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && + $line !~ /\G(?: + (?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| + \s*return\s+ + )/xg) + { + ERROR("trailing statements should be on next line\n" . $herecurr); + } # Check for }else {, these must be at the same # indent level to be relevant to each other. -- GitLab From dea33496ddc2bf1a50e9def87b4ef14709d8cb6d Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:25 -0700 Subject: [PATCH 5385/6244] checkpatch: suppress errors triggered by short patch When the last hunk of a patch is short it will trigger errors from checkpatch: Use of uninitialized value in pattern match (m//) at /usr/local/bin/checkpatch.pl line 394. Use of uninitialized value in concatenation (.) or string at /usr/local/bin/checkpatch.pl line 397. Use of uninitialized value in pattern match (m//) Avoid touching beyond the last line. Reported by Julien Brunel. Signed-off-by: Andy Whitcroft Cc: Julien Brunel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 457f87460d6e..5382f7287397 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -408,6 +408,7 @@ sub ctx_statement_block { # context. if ($off >= $len) { for (; $remain > 0; $line++) { + last if (!defined $lines[$line]); next if ($lines[$line] =~ /^-/); $remain--; $loff = $len; -- GitLab From 81bc0e020232a1e1e7010376382bb59ca82927ac Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:26 -0700 Subject: [PATCH 5386/6244] checkpatch: handle comment/quote nesting correctly Ensure that a close comment cannot incorrectly trigger in the middle of a string. Reported by Jaswinder Singh. Signed-off-by: Andy Whitcroft Cc: Jaswinder Singh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 5382f7287397..18646f076a84 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -335,7 +335,7 @@ sub sanitise_line { $off++; next; } - if (substr($line, $off, 2) eq '*/') { + if ($sanitise_quote eq '*/' && substr($line, $off, 2) eq '*/') { $sanitise_quote = ''; substr($res, $off, 2, "$;$;"); $off++; -- GitLab From 5368df20fb364e394da3ab88d3d60ee3c0a9e5ba Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:27 -0700 Subject: [PATCH 5387/6244] checkpatch: check line endings in text format files Firmware may be included in the kernel as .ihex files. These are inherantly text, but not source. The line ending checks are applicable to these kinds of file, allow just these checks to apply to all files. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 18646f076a84..a2e4a3d9c6d7 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1241,9 +1241,6 @@ sub process { #ignore lines being removed if ($line=~/^-/) {next;} -# check we are in a valid source file if not then ignore this hunk - next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); - #trailing whitespace if ($line =~ /^\+.*\015/) { my $herevet = "$here\n" . cat_vet($rawline) . "\n"; @@ -1253,6 +1250,10 @@ sub process { my $herevet = "$here\n" . cat_vet($rawline) . "\n"; ERROR("trailing whitespace\n" . $herevet); } + +# check we are in a valid source file if not then ignore this hunk + next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); + #80 column limit if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ && $rawline !~ /^.\s*\*\s*\@$Ident\s/ && -- GitLab From 6f779c18ca74358b6ac8eb8f5d502843fa92be4e Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:27 -0700 Subject: [PATCH 5388/6244] checkpatch: suspect indent count condition lines correctly Correct calculation of the number of lines of condition where we have suspect indent. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index a2e4a3d9c6d7..2e513fdf3043 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1417,7 +1417,8 @@ sub process { $s =~ s/\n./\n/gs; # Find out how long the conditional actually is. - my $cond_lines = 0 + $c =~ /\n/gs; + my @newlines = ($c =~ /\n/gs); + my $cond_lines = 1 + $#newlines; # We want to check the first line inside the block # starting at the end of the conditional, so remove: -- GitLab From 306708547b566ef6a0ccd470c84568807571885c Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:28 -0700 Subject: [PATCH 5389/6244] checkpatch: ensure we only apply checks to the lines within hunks We should only apply source checks to lines within hunks. Checks which are anchored in the context may falsly trigger in the commentory. Ensure they only match within valid hunk lines. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 2e513fdf3043..fe4553c070b1 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1128,6 +1128,7 @@ sub process { $linenr++; my $rawline = $rawlines[$linenr - 1]; + my $hunk_line = ($realcnt != 0); #extract the line range in the file after the patch is applied if ($line=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) { @@ -1238,8 +1239,8 @@ sub process { ERROR("Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr); } -#ignore lines being removed - if ($line=~/^-/) {next;} +# ignore non-hunk lines and lines being removed + next if (!$hunk_line || $line =~ /^-/); #trailing whitespace if ($line =~ /^\+.*\015/) { -- GitLab From 5fdd23acf9cd7f658746b119436ed1d787326c46 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:28 -0700 Subject: [PATCH 5390/6244] checkpatch: version: 0.23 Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index fe4553c070b1..118fe1f30e76 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -9,7 +9,7 @@ use strict; my $P = $0; $P =~ s@.*/@@g; -my $V = '0.22'; +my $V = '0.23'; use Getopt::Long qw(:config no_auto_abbrev); -- GitLab From 0776e594606e32a045e0a99bb919b2280b945495 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:29 -0700 Subject: [PATCH 5391/6244] checkpatch: do is not a possible type A do without braces '{' may trigger a false possible type 'do' and then this may be interpreted as an external definition of foo(): do foo(); while (bar); Add do to the type exclusions. Fix up tests so we can check for them. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 118fe1f30e76..6b21188d2cf7 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -913,12 +913,22 @@ sub annotate_values { sub possible { my ($possible, $line) = @_; - print "CHECK<$possible> ($line)\n" if ($dbg_possible > 1); - if ($possible !~ /^(?:$Modifier|$Storage|$Type|DEFINE_\S+)$/ && - $possible ne 'goto' && $possible ne 'return' && - $possible ne 'case' && $possible ne 'else' && - $possible ne 'asm' && $possible ne '__asm__' && - $possible !~ /^(typedef|struct|enum)\b/) { + print "CHECK<$possible> ($line)\n" if ($dbg_possible > 2); + if ($possible !~ /(?: + ^(?: + $Modifier| + $Storage| + $Type| + DEFINE_\S+| + goto| + return| + case| + else| + asm|__asm__| + do + )$| + ^(?:typedef|struct|enum)\b + )/x) { # Check for modifiers. $possible =~ s/\s*$Storage\s*//g; $possible =~ s/\s*$Sparse\s*//g; @@ -936,6 +946,8 @@ sub possible { push(@typeList, $possible); } build_types(); + } else { + warn "NOTPOSS: $possible ($line)\n" if ($dbg_possible > 1); } } -- GitLab From a6a84062821738426ed4f58f4d584ecb7feb3dee Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:30 -0700 Subject: [PATCH 5392/6244] checkpatch: labels are not possible types A label is not a candidate for a possible type. Exclude them. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6b21188d2cf7..17e1d94fa1fa 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1324,7 +1324,7 @@ sub process { possible($type, "A:" . $s); # definitions in global scope can only start with types - } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b/s) { + } elsif ($s =~ /^.(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?($Ident)\b\s*(?!:)/s) { possible($1, "B:" . $s); } -- GitLab From 170d3a22688f06fda42e353bbccd0f3df89f3d94 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:30 -0700 Subject: [PATCH 5393/6244] checkpatch: handle do without braces if we have enough context If we have sufficient context detect and handle do without braces ({). Else these incorrectly trigger a trailing statements error for the associated while. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 17e1d94fa1fa..19690a2ddb74 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1051,6 +1051,7 @@ sub process { # suppression flags my %suppress_ifbraces; + my %suppress_whiletrailers; # Pre-scan the patch sanitizing the lines. # Pre-scan the patch looking for any __setup documentation. @@ -1156,6 +1157,7 @@ sub process { $prev_values = 'E'; %suppress_ifbraces = (); + %suppress_whiletrailers = (); next; # track the line number as we move through the hunk, note that @@ -1301,9 +1303,9 @@ sub process { } # Check for potential 'bare' types - my ($stat, $cond, $line_nr_next, $remain_next); + my ($stat, $cond, $line_nr_next, $remain_next, $off_next); if ($realcnt && $line =~ /.\s*\S/) { - ($stat, $cond, $line_nr_next, $remain_next) = + ($stat, $cond, $line_nr_next, $remain_next, $off_next) = ctx_statement_block($linenr, $realcnt, 0); $stat =~ s/\n./\n /g; $cond =~ s/\n./\n /g; @@ -1952,7 +1954,26 @@ sub process { # Check for illegal assignment in if conditional -- and check for trailing # statements after the conditional. - if ($line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) { + if ($line =~ /do\s*(?!{)/) { + my ($stat_next) = ctx_statement_block($line_nr_next, + $remain_next, $off_next); + $stat_next =~ s/\n./\n /g; + ##print "stat<$stat> stat_next<$stat_next>\n"; + + if ($stat_next =~ /^\s*while\b/) { + # If the statement carries leading newlines, + # then count those as offsets. + my ($whitespace) = + ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s); + my $offset = + statement_rawlines($whitespace) - 1; + + $suppress_whiletrailers{$line_nr_next + + $offset} = 1; + } + } + if (!defined $suppress_whiletrailers{$linenr} && + $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) { my ($s, $c) = ($stat, $cond); if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) { -- GitLab From b132e5d5865325a9aa42b122c4c466903bf48348 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:31 -0700 Subject: [PATCH 5394/6244] checkpatch: macros which define structure members are not complex We often see macros which define structure members, these are not complex and necessarily do not have braces or brackets. For example: #define _PLIST_HEAD_INIT(head) \ .prio_list = LIST_HEAD_INIT((head).prio_list), \ .node_list = LIST_HEAD_INIT((head).node_list) Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 1 + 1 file changed, 1 insertion(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 19690a2ddb74..6eceda7a4bd9 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2155,6 +2155,7 @@ sub process { if ($dstat ne '' && $dstat !~ /^(?:$Ident|-?$Constant)$/ && $dstat !~ /$exceptions/ && + $dstat !~ /^\.$Ident\s*=/ && $dstat =~ /$Operators/) { ERROR("Macros with complex values should be enclosed in parenthesis\n" . "$here\n$ctx\n"); -- GitLab From afbe8d283b97b2317dab900fb11d2a8878ee3c23 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:31 -0700 Subject: [PATCH 5395/6244] checkpatch: accept any sized le/be type We are likely going to have 24 bit types. Expand the type matcher to match any size. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6eceda7a4bd9..bb88df2d001b 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -159,7 +159,7 @@ our @typeList = ( qr{float}, qr{double}, qr{bool}, - qr{(?:__)?(?:u|s|be|le)(?:8|16|32|64)}, + qr{(?:__)?(?:u|s|be|le)(?:\d|\d\d)}, qr{struct\s+$Ident}, qr{union\s+$Ident}, qr{enum\s+$Ident}, -- GitLab From 8ed22cad9ce16e3d8915ae75544a133c3050d96f Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:32 -0700 Subject: [PATCH 5396/6244] checkpatch: pull out known acceptable typedefs Within the type checker we have a number of common kernel types which must be implemented as typedefs. Pull those out so that we can use the same expressions to trigger exclusions. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index bb88df2d001b..4680ccf7760c 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -146,6 +146,11 @@ our $UTF8 = qr { | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 }x; +our $typeTypedefs = qr{(?x: + (?:__)?(?:u|s|be|le)(?:\d|\d\d)| + atomic_t +)}; + our @typeList = ( qr{void}, qr{(?:unsigned\s+)?char}, @@ -159,7 +164,6 @@ our @typeList = ( qr{float}, qr{double}, qr{bool}, - qr{(?:__)?(?:u|s|be|le)(?:\d|\d\d)}, qr{struct\s+$Ident}, qr{union\s+$Ident}, qr{enum\s+$Ident}, @@ -179,6 +183,7 @@ sub build_types { (?:$Modifier\s+|const\s+)* (?: (?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)| + (?:$typeTypedefs\b)| (?:${all}\b) ) (?:\s+$Modifier|\s+const)* @@ -1589,6 +1594,7 @@ sub process { if ($line =~ /\btypedef\s/ && $line !~ /\btypedef\s+$Type\s+\(\s*\*?$Ident\s*\)\s*\(/ && $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ && + $line !~ /\b$typeTypedefs\b/ && $line !~ /\b__bitwise(?:__|)\b/) { WARN("do not add new typedefs\n" . $herecurr); } -- GitLab From f16fa28f7b3d95e989fc64c8480e44c1bcf4bac3 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:32 -0700 Subject: [PATCH 5397/6244] checkpatch: suspect code indent must stop at #else/#elif When we hit and #else or #elif we know we are meeting an alternative piece of code. All bets are off on indent if we did not see the open of the control so stop checking. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4680ccf7760c..c479bdefc779 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1468,6 +1468,12 @@ sub process { while ($cond_ptr != $cond_lines) { $cond_ptr = $cond_lines; + # If we see an #else/#elif then the code + # is not linear. + if ($s =~ /^\s*\#\s*(?:else|elif)/) { + $check = 0; + } + # Ignore: # 1) blank lines, they should be at 0, # 2) preprocessor lines, and -- GitLab From bf30d6ede099c2a31b13bbd05b1022dc0da684d5 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:33 -0700 Subject: [PATCH 5398/6244] checkpatch: complex macros checks miss square brackets We are missing 'simple' values which include square brackets. Refactor to ensure we handle nesting correctly and detect these simple forms. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c479bdefc779..54dfa2b543dd 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2142,9 +2142,10 @@ sub process { $dstat =~ s/\s*$//s; # Flatten any parentheses and braces - while ($dstat =~ s/\([^\(\)]*\)/1/) { - } - while ($dstat =~ s/\{[^\{\}]*\}/1/) { + while ($dstat =~ s/\([^\(\)]*\)/1/ || + $dstat =~ s/\{[^\{\}]*\}/1/ || + $dstat =~ s/\[[^\{\}]*\]/1/) + { } my $exceptions = qr{ -- GitLab From 480120586464e5a8cd2289a90ffbb5c042e66ba0 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:34 -0700 Subject: [PATCH 5399/6244] checkpatch: DEFINE_ macros are real definitions for exports When we want to confirm an export is directly after its definition we need to allow for DEFINE_ style macros. Add these to the execeptions. Refactor the exceptions. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 54dfa2b543dd..a675f067b572 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1573,13 +1573,14 @@ sub process { if (($line =~ /EXPORT_SYMBOL.*\((.*)\)/) || ($line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) { my $name = $1; - if (($prevline !~ /^}/) && - ($prevline !~ /^\+}/) && - ($prevline !~ /^ }/) && - ($prevline !~ /^.DECLARE_$Ident\(\Q$name\E\)/) && - ($prevline !~ /^.LIST_HEAD\(\Q$name\E\)/) && - ($prevline !~ /^.$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(/) && - ($prevline !~ /\b\Q$name\E(?:\s+$Attribute)?\s*(?:;|=|\[)/)) { + if ($prevline !~ /(?: + ^.}| + ^.DEFINE_$Ident\(\Q$name\E\)| + ^.DECLARE_$Ident\(\Q$name\E\)| + ^.LIST_HEAD\(\Q$name\E\)| + ^.$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(| + \b\Q$name\E(?:\s+$Attribute)?\s*(?:;|=|\[) + )/x) { WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr); } } -- GitLab From bb44ad39c886401e1ffe0876565f8b3fcea64e9d Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:34 -0700 Subject: [PATCH 5400/6244] checkpatch: trailing statements ensure we report the end of the line When reporting some complex trailing statements we report only the starting line of the error, that tends to imply the shown line is in error and confuse the reader. As we do know where the actual error is report that line too with an appropriate gap marker where applicable. #ERROR: trailing statements should be on next line #1: FILE: Z202.c:1: + for (pbh = page_buffers(bh->b_page); pbh != bh; + pbh = pbh->b_this_page, key++); #ERROR: trailing statements should be on next line #4: FILE: Z202.c:4: + for (pbh = page_buffers(bh->b_page); [...] + pbh = pbh->b_this_page, key++); Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index a675f067b572..2c1afba57580 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2001,7 +2001,16 @@ sub process { if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ && $c !~ /}\s*while\s*/) { - ERROR("trailing statements should be on next line\n" . $herecurr); + # Find out how long the conditional actually is. + my @newlines = ($c =~ /\n/gs); + my $cond_lines = 1 + $#newlines; + + my $stat_real = raw_line($linenr, $cond_lines); + if (defined($stat_real) && $cond_lines > 1) { + $stat_real = "[...]\n$stat_real"; + } + + ERROR("trailing statements should be on next line\n" . $herecurr . $stat_real); } } -- GitLab From 740504c61f79a932564fb7117d79ad53d950b201 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:35 -0700 Subject: [PATCH 5401/6244] checkpatch: suspect indent handle macro continuation When ignoring a macro in the middle of a conditional, we need to ignore the macro start and any continuation lines. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 2c1afba57580..862e8e0e86ae 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1465,6 +1465,7 @@ sub process { } my $cond_ptr = -1; + $continuation = 0; while ($cond_ptr != $cond_lines) { $cond_ptr = $cond_lines; @@ -1478,9 +1479,11 @@ sub process { # 1) blank lines, they should be at 0, # 2) preprocessor lines, and # 3) labels. - if ($s =~ /^\s*?\n/ || + if ($continuation || + $s =~ /^\s*?\n/ || $s =~ /^\s*#\s*?/ || $s =~ /^\s*$Ident\s*:/) { + $continuation = ($s =~ /^.*?\\\n/) ? 1 : 0; $s =~ s/^.*?\n//; $cond_lines++; } -- GitLab From 3fef12d6cb832327a981b03326f8f07abebb51b7 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:36 -0700 Subject: [PATCH 5402/6244] checkpatch: allow for comments either side of a brace on case When specifying case we may have comments and/or braces at the end without actually having a 'statement'. Allow for these to occur in any order. Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 862e8e0e86ae..ada27c44da02 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2043,7 +2043,7 @@ sub process { # case and default should not have general statements after them if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g && $line !~ /\G(?: - (?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| + (?:\s*$;*)(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$| \s*return\s+ )/xg) { -- GitLab From 6e144ee546b4bb4902524e639dc9c2cd4f7f97a4 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Wed, 15 Oct 2008 22:02:36 -0700 Subject: [PATCH 5403/6244] checkpatch: version: 0.24 Signed-off-by: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index ada27c44da02..e30bac141b21 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -9,7 +9,7 @@ use strict; my $P = $0; $P =~ s@.*/@@g; -my $V = '0.23'; +my $V = '0.24'; use Getopt::Long qw(:config no_auto_abbrev); -- GitLab From cde162c2a963dba6d1b6921b58917ef8f27f4150 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Wed, 15 Oct 2008 22:02:37 -0700 Subject: [PATCH 5404/6244] binfmt_som.c: add MODULE_LICENSE Add the missing MODULE_LICENSE("GPL"). Reported-by: Adrian Bunk Signed-off-by: Adrian Bunk Cc: Matthew Wilcox Cc: Grant Grundler Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/binfmt_som.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c index 68be580ba289..74e587a52796 100644 --- a/fs/binfmt_som.c +++ b/fs/binfmt_som.c @@ -306,3 +306,5 @@ static void __exit exit_som_binfmt(void) core_initcall(init_som_binfmt); module_exit(exit_som_binfmt); + +MODULE_LICENSE("GPL"); -- GitLab From 53112488bebe25c0f5f8a002470046c0fe9a6c61 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 15 Oct 2008 22:02:37 -0700 Subject: [PATCH 5405/6244] alpha: introduce field 'taso' into struct linux_binprm This change is Alpha-specific. It adds field 'taso' into struct linux_binprm to remember if the application is TASO. Previously, field sh_bang was used for this purpose. Signed-off-by: Kirill A. Shutemov Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Pavel Emelyanov Cc: Alexander Viro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/alpha/include/asm/a.out.h | 2 +- fs/exec.c | 2 +- include/linux/binfmts.h | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h index 02ce8473870a..acdc681231cb 100644 --- a/arch/alpha/include/asm/a.out.h +++ b/arch/alpha/include/asm/a.out.h @@ -95,7 +95,7 @@ struct exec Worse, we have to notice the start address before swapping to use /sbin/loader, which of course is _not_ a TASO application. */ #define SET_AOUT_PERSONALITY(BFPM, EX) \ - set_personality (((BFPM->sh_bang || EX.ah.entry < 0x100000000L \ + set_personality (((BFPM->taso || EX.ah.entry < 0x100000000L \ ? ADDR_LIMIT_32BIT : 0) | PER_OSF4)) #endif /* __KERNEL__ */ diff --git a/fs/exec.c b/fs/exec.c index 7b5ed50eadeb..4a790f2e224e 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1189,7 +1189,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs) return retval; /* Remember if the application is TASO. */ - bprm->sh_bang = eh->ah.entry < 0x100000000UL; + bprm->taso = eh->ah.entry < 0x100000000UL; bprm->file = file; bprm->loader = loader; diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 826f62350805..54980a3c7602 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -36,6 +36,9 @@ struct linux_binprm{ unsigned long p; /* current top of mem */ unsigned int sh_bang:1, misc_bang:1; +#ifdef __alpha__ + unsigned int taso:1; +#endif struct file * file; int e_uid, e_gid; kernel_cap_t cap_post_exec_permitted; -- GitLab From bf2a9a39639b8b51377905397a5005f444e9a892 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 15 Oct 2008 22:02:39 -0700 Subject: [PATCH 5406/6244] Allow recursion in binfmt_script and binfmt_misc binfmt_script and binfmt_misc disallow recursion to avoid stack overflow using sh_bang and misc_bang. It causes problem in some cases: $ echo '#!/bin/ls' > /tmp/t0 $ echo '#!/tmp/t0' > /tmp/t1 $ echo '#!/tmp/t1' > /tmp/t2 $ chmod +x /tmp/t* $ /tmp/t2 zsh: exec format error: /tmp/t2 Similar problem with binfmt_misc. This patch introduces field 'recursion_depth' into struct linux_binprm to track recursion level in binfmt_misc and binfmt_script. If recursion level more then BINPRM_MAX_RECURSION it generates -ENOEXEC. [akpm@linux-foundation.org: make linux_binprm.recursion_depth a uint] Signed-off-by: Kirill A. Shutemov Cc: Pavel Emelyanov Cc: Alexander Viro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/binfmt_em86.c | 2 +- fs/binfmt_misc.c | 4 ++-- fs/binfmt_script.c | 5 +++-- include/linux/binfmts.h | 2 ++ 4 files changed, 8 insertions(+), 5 deletions(-) diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c index f9c88d0c8ced..32fb00b52cd0 100644 --- a/fs/binfmt_em86.c +++ b/fs/binfmt_em86.c @@ -43,7 +43,7 @@ static int load_em86(struct linux_binprm *bprm,struct pt_regs *regs) return -ENOEXEC; } - bprm->sh_bang = 1; /* Well, the bang-shell is implicit... */ + bprm->recursion_depth++; /* Well, the bang-shell is implicit... */ allow_write_access(bprm->file); fput(bprm->file); bprm->file = NULL; diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 8d7e88e02e0f..f2744ab4e5b3 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -117,7 +117,7 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs) goto _ret; retval = -ENOEXEC; - if (bprm->misc_bang) + if (bprm->recursion_depth > BINPRM_MAX_RECURSION) goto _ret; /* to keep locking time low, we copy the interpreter string */ @@ -197,7 +197,7 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs) if (retval < 0) goto _error; - bprm->misc_bang = 1; + bprm->recursion_depth++; retval = search_binary_handler (bprm, regs); if (retval < 0) diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c index 9e3963f7ebf1..08343505e184 100644 --- a/fs/binfmt_script.c +++ b/fs/binfmt_script.c @@ -22,14 +22,15 @@ static int load_script(struct linux_binprm *bprm,struct pt_regs *regs) char interp[BINPRM_BUF_SIZE]; int retval; - if ((bprm->buf[0] != '#') || (bprm->buf[1] != '!') || (bprm->sh_bang)) + if ((bprm->buf[0] != '#') || (bprm->buf[1] != '!') || + (bprm->recursion_depth > BINPRM_MAX_RECURSION)) return -ENOEXEC; /* * This section does the #! interpretation. * Sorta complicated, but hopefully it will work. -TYT */ - bprm->sh_bang = 1; + bprm->recursion_depth++; allow_write_access(bprm->file); fput(bprm->file); bprm->file = NULL; diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 54980a3c7602..7394b5b349ff 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -39,6 +39,7 @@ struct linux_binprm{ #ifdef __alpha__ unsigned int taso:1; #endif + unsigned int recursion_depth; struct file * file; int e_uid, e_gid; kernel_cap_t cap_post_exec_permitted; @@ -61,6 +62,7 @@ struct linux_binprm{ #define BINPRM_FLAGS_EXECFD_BIT 1 #define BINPRM_FLAGS_EXECFD (1 << BINPRM_FLAGS_EXECFD_BIT) +#define BINPRM_MAX_RECURSION 4 /* * This structure defines the functions that are used to load the binary formats that -- GitLab From 62f9e8f15a95822e0a793090ff69b277690c6aa6 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 15 Oct 2008 22:02:39 -0700 Subject: [PATCH 5407/6244] mpc52xx_psc_spi: remove code associated with !CONFIG_PPC_MERGE Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore remove the dead code associated with !CONFIG_PPC_MERGE. Signed-off-by: Kumar Gala Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: David Brownell Cc: Grant Likely Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/mpc52xx_psc_spi.c | 55 ----------------------------------- 1 file changed, 55 deletions(-) diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c index cdb3d3191719..0debe11b67b4 100644 --- a/drivers/spi/mpc52xx_psc_spi.c +++ b/drivers/spi/mpc52xx_psc_spi.c @@ -15,13 +15,7 @@ #include #include #include - -#if defined(CONFIG_PPC_MERGE) #include -#else -#include -#endif - #include #include #include @@ -471,53 +465,6 @@ static int __exit mpc52xx_psc_spi_do_remove(struct device *dev) return 0; } -#if !defined(CONFIG_PPC_MERGE) -static int __init mpc52xx_psc_spi_probe(struct platform_device *dev) -{ - switch(dev->id) { - case 1: - case 2: - case 3: - case 6: - return mpc52xx_psc_spi_do_probe(&dev->dev, - MPC52xx_PA(MPC52xx_PSCx_OFFSET(dev->id)), - MPC52xx_PSC_SIZE, platform_get_irq(dev, 0), dev->id); - default: - return -EINVAL; - } -} - -static int __exit mpc52xx_psc_spi_remove(struct platform_device *dev) -{ - return mpc52xx_psc_spi_do_remove(&dev->dev); -} - -/* work with hotplug and coldplug */ -MODULE_ALIAS("platform:mpc52xx-psc-spi"); - -static struct platform_driver mpc52xx_psc_spi_platform_driver = { - .remove = __exit_p(mpc52xx_psc_spi_remove), - .driver = { - .name = "mpc52xx-psc-spi", - .owner = THIS_MODULE, - }, -}; - -static int __init mpc52xx_psc_spi_init(void) -{ - return platform_driver_probe(&mpc52xx_psc_spi_platform_driver, - mpc52xx_psc_spi_probe); -} -module_init(mpc52xx_psc_spi_init); - -static void __exit mpc52xx_psc_spi_exit(void) -{ - platform_driver_unregister(&mpc52xx_psc_spi_platform_driver); -} -module_exit(mpc52xx_psc_spi_exit); - -#else /* defined(CONFIG_PPC_MERGE) */ - static int __init mpc52xx_psc_spi_of_probe(struct of_device *op, const struct of_device_id *match) { @@ -586,8 +533,6 @@ static void __exit mpc52xx_psc_spi_exit(void) } module_exit(mpc52xx_psc_spi_exit); -#endif /* defined(CONFIG_PPC_MERGE) */ - MODULE_AUTHOR("Dragos Carp"); MODULE_DESCRIPTION("MPC52xx PSC SPI Driver"); MODULE_LICENSE("GPL"); -- GitLab From f9b90e39cbc5c4d6ef60022fd1f25d541df0aad1 Mon Sep 17 00:00:00 2001 From: Vernon Sauder Date: Wed, 15 Oct 2008 22:02:40 -0700 Subject: [PATCH 5408/6244] spi: simplify spi_write_then_read() Modify spi_write_then_read() to use one transfer. This speeds up all callers, and is a minor code shrink. Signed-off-by: Vernon Sauder Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/spi.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 75e86865234c..2de6b0e72f3f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -660,7 +660,7 @@ int spi_write_then_read(struct spi_device *spi, int status; struct spi_message message; - struct spi_transfer x[2]; + struct spi_transfer x; u8 *local_buf; /* Use preallocated DMA-safe buffer. We can't avoid copying here, @@ -671,15 +671,9 @@ int spi_write_then_read(struct spi_device *spi, return -EINVAL; spi_message_init(&message); - memset(x, 0, sizeof x); - if (n_tx) { - x[0].len = n_tx; - spi_message_add_tail(&x[0], &message); - } - if (n_rx) { - x[1].len = n_rx; - spi_message_add_tail(&x[1], &message); - } + memset(&x, 0, sizeof x); + x.len = n_tx + n_rx; + spi_message_add_tail(&x, &message); /* ... unless someone else is using the pre-allocated buffer */ if (!mutex_trylock(&lock)) { @@ -690,15 +684,15 @@ int spi_write_then_read(struct spi_device *spi, local_buf = buf; memcpy(local_buf, txbuf, n_tx); - x[0].tx_buf = local_buf; - x[1].rx_buf = local_buf + n_tx; + x.tx_buf = local_buf; + x.rx_buf = local_buf; /* do the i/o */ status = spi_sync(spi, &message); if (status == 0) - memcpy(rxbuf, x[1].rx_buf, n_rx); + memcpy(rxbuf, x.rx_buf + n_tx, n_rx); - if (x[0].tx_buf == buf) + if (x.tx_buf == buf) mutex_unlock(&lock); else kfree(local_buf); -- GitLab From cf46b973f72ddf9d1e17d6fde9aa14f61aa1afed Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 15 Oct 2008 22:02:41 -0700 Subject: [PATCH 5409/6244] spi_s3c24xx: pin configuration updates Add a pin configuration callback for the s3c24xx SPI driver, as there are several options depending on the channel and the chip in use. This is needed as the controller may not have been setup by the initial bootloader and the fact that the SPI controller gets reset over suspend/resume into slave mode but the GPIO function registers do not. Signed-off-by: Ben Dooks Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/arm/mach-s3c2410/include/mach/spi.h | 1 + drivers/spi/spi_s3c24xx.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/arch/arm/mach-s3c2410/include/mach/spi.h b/arch/arm/mach-s3c2410/include/mach/spi.h index 921b13b4f0a0..46d46f5b99f2 100644 --- a/arch/arm/mach-s3c2410/include/mach/spi.h +++ b/arch/arm/mach-s3c2410/include/mach/spi.h @@ -18,6 +18,7 @@ struct s3c2410_spi_info { unsigned int num_cs; /* total chipselects */ int bus_num; /* bus number to use. */ + void (*gpio_setup)(struct s3c2410_spi_info *spi, int enable); void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); }; diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c index 3eb414b84a9d..c252cbac00f1 100644 --- a/drivers/spi/spi_s3c24xx.c +++ b/drivers/spi/spi_s3c24xx.c @@ -247,6 +247,9 @@ static void s3c24xx_spi_initialsetup(struct s3c24xx_spi *hw) writeb(0xff, hw->regs + S3C2410_SPPRE); writeb(SPPIN_DEFAULT, hw->regs + S3C2410_SPPIN); writeb(SPCON_DEFAULT, hw->regs + S3C2410_SPCON); + + if (hw->pdata && hw->pdata->gpio_setup) + hw->pdata->gpio_setup(hw->pdata, 1); } static int __init s3c24xx_spi_probe(struct platform_device *pdev) @@ -412,6 +415,9 @@ static int s3c24xx_spi_suspend(struct platform_device *pdev, pm_message_t msg) { struct s3c24xx_spi *hw = platform_get_drvdata(pdev); + if (hw->pdata && hw->pdata->gpio_setup) + hw->pdata->gpio_setup(hw->pdata, 0); + clk_disable(hw->clk); return 0; } -- GitLab From 65a00a20655f4929c4991017e230175f61c8f052 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Wed, 15 Oct 2008 22:02:42 -0700 Subject: [PATCH 5410/6244] pxa2xx_spi: minor cleanup Minor fixes: remove redundant local variable initialization, fix "can not" to what I _think_ is a preferred spelling, output IRQ number if requesting it failed. Signed-off-by: Guennadi Liakhovetski Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/pxa2xx_spi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index d47d3636227f..59ae3ed16658 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -1407,9 +1407,9 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct pxa2xx_spi_master *platform_info; struct spi_master *master; - struct driver_data *drv_data = NULL; + struct driver_data *drv_data; struct ssp_device *ssp; - int status = 0; + int status; platform_info = dev->platform_data; @@ -1422,7 +1422,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) /* Allocate master with space for drv_data and null dma buffer */ master = spi_alloc_master(dev, sizeof(struct driver_data) + 16); if (!master) { - dev_err(&pdev->dev, "can not alloc spi_master\n"); + dev_err(&pdev->dev, "cannot alloc spi_master\n"); ssp_free(ssp); return -ENOMEM; } @@ -1458,7 +1458,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) status = request_irq(ssp->irq, ssp_int, 0, dev->bus_id, drv_data); if (status < 0) { - dev_err(&pdev->dev, "can not get IRQ\n"); + dev_err(&pdev->dev, "cannot get IRQ %d\n", ssp->irq); goto out_error_master_alloc; } -- GitLab From f1f640a9c1d97a1a131879ab1efe3766443904d7 Mon Sep 17 00:00:00 2001 From: Vernon Sauder Date: Wed, 15 Oct 2008 22:02:43 -0700 Subject: [PATCH 5411/6244] pxa2xx_spi: fix chip_info defaults and documentation. Make the chip info structure data optional by providing reasonable defaults. Improve corresponding documentation, and highlight the drawback of not providing explicit chipselect control. DMA can determine appropriate dma_burst_size and thresholds automatically so use DMA even if dma_burst_size is not specified. Signed-off-by: Vernon Sauder Reviewed-by: Ned Forrester Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/spi/pxa2xx | 34 +++++++++++++++++++---------- drivers/spi/pxa2xx_spi.c | 46 +++++++++++++++++++++++----------------- 2 files changed, 50 insertions(+), 30 deletions(-) diff --git a/Documentation/spi/pxa2xx b/Documentation/spi/pxa2xx index bbe8dee681a5..6bb916d57c95 100644 --- a/Documentation/spi/pxa2xx +++ b/Documentation/spi/pxa2xx @@ -96,7 +96,7 @@ Each slave device attached to the PXA must provide slave specific configuration information via the structure "pxa2xx_spi_chip" found in "arch/arm/mach-pxa/include/mach/pxa2xx_spi.h". The pxa2xx_spi master controller driver will uses the configuration whenever the driver communicates with the slave -device. +device. All fields are optional. struct pxa2xx_spi_chip { u8 tx_threshold; @@ -112,14 +112,17 @@ used to configure the SSP hardware fifo. These fields are critical to the performance of pxa2xx_spi driver and misconfiguration will result in rx fifo overruns (especially in PIO mode transfers). Good default values are - .tx_threshold = 12, - .rx_threshold = 4, + .tx_threshold = 8, + .rx_threshold = 8, + +The range is 1 to 16 where zero indicates "use default". The "pxa2xx_spi_chip.dma_burst_size" field is used to configure PXA2xx DMA engine and is related the "spi_device.bits_per_word" field. Read and understand the PXA2xx "Developer Manual" sections on the DMA controller and SSP Controllers to determine the correct value. An SSP configured for byte-wide transfers would -use a value of 8. +use a value of 8. The driver will determine a reasonable default if +dma_burst_size == 0. The "pxa2xx_spi_chip.timeout" fields is used to efficiently handle trailing bytes in the SSP receiver fifo. The correct value for this field is @@ -137,7 +140,13 @@ function for asserting/deasserting a slave device chip select. If the field is NULL, the pxa2xx_spi master controller driver assumes that the SSP port is configured to use SSPFRM instead. -NSSP SALVE SAMPLE +NOTE: the SPI driver cannot control the chip select if SSPFRM is used, so the +chipselect is dropped after each spi_transfer. Most devices need chip select +asserted around the complete message. Use SSPFRM as a GPIO (through cs_control) +to accomodate these chips. + + +NSSP SLAVE SAMPLE ----------------- The pxa2xx_spi_chip structure is passed to the pxa2xx_spi driver in the "spi_board_info.controller_data" field. Below is a sample configuration using @@ -206,18 +215,21 @@ static void __init streetracer_init(void) DMA and PIO I/O Support ----------------------- -The pxa2xx_spi driver support both DMA and interrupt driven PIO message -transfers. The driver defaults to PIO mode and DMA transfers must enabled by -setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and -ensuring that the "pxa2xx_spi_chip.dma_burst_size" field is non-zero. The DMA -mode support both coherent and stream based DMA mappings. +The pxa2xx_spi driver supports both DMA and interrupt driven PIO message +transfers. The driver defaults to PIO mode and DMA transfers must be enabled +by setting the "enable_dma" flag in the "pxa2xx_spi_master" structure. The DMA +mode supports both coherent and stream based DMA mappings. The following logic is used to determine the type of I/O to be used on a per "spi_transfer" basis: -if !enable_dma or dma_burst_size == 0 then +if !enable_dma then always use PIO transfers +if spi_message.len > 8191 then + print "rate limited" warning + use PIO transfers + if spi_message.is_dma_mapped and rx_dma_buf != 0 and tx_dma_buf != 0 then use coherent DMA mode diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index 59ae3ed16658..dae87b1a4c6e 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c @@ -47,6 +47,10 @@ MODULE_ALIAS("platform:pxa2xx-spi"); #define MAX_BUSES 3 +#define RX_THRESH_DFLT 8 +#define TX_THRESH_DFLT 8 +#define TIMOUT_DFLT 1000 + #define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR) #define RESET_DMA_CHANNEL (DCSR_NODESC | DMA_INT_MASK) #define IS_DMA_ALIGNED(x) ((((u32)(x)) & 0x07) == 0) @@ -1171,6 +1175,8 @@ static int setup(struct spi_device *spi) struct driver_data *drv_data = spi_master_get_devdata(spi->master); struct ssp_device *ssp = drv_data->ssp; unsigned int clk_div; + uint tx_thres = TX_THRESH_DFLT; + uint rx_thres = RX_THRESH_DFLT; if (!spi->bits_per_word) spi->bits_per_word = 8; @@ -1209,8 +1215,7 @@ static int setup(struct spi_device *spi) chip->cs_control = null_cs_control; chip->enable_dma = 0; - chip->timeout = 1000; - chip->threshold = SSCR1_RxTresh(1) | SSCR1_TxTresh(1); + chip->timeout = TIMOUT_DFLT; chip->dma_burst_size = drv_data->master_info->enable_dma ? DCMD_BURST8 : 0; } @@ -1224,22 +1229,21 @@ static int setup(struct spi_device *spi) if (chip_info) { if (chip_info->cs_control) chip->cs_control = chip_info->cs_control; - - chip->timeout = chip_info->timeout; - - chip->threshold = (SSCR1_RxTresh(chip_info->rx_threshold) & - SSCR1_RFT) | - (SSCR1_TxTresh(chip_info->tx_threshold) & - SSCR1_TFT); - - chip->enable_dma = chip_info->dma_burst_size != 0 - && drv_data->master_info->enable_dma; + if (chip_info->timeout) + chip->timeout = chip_info->timeout; + if (chip_info->tx_threshold) + tx_thres = chip_info->tx_threshold; + if (chip_info->rx_threshold) + rx_thres = chip_info->rx_threshold; + chip->enable_dma = drv_data->master_info->enable_dma; chip->dma_threshold = 0; - if (chip_info->enable_loopback) chip->cr1 = SSCR1_LBM; } + chip->threshold = (SSCR1_RxTresh(rx_thres) & SSCR1_RFT) | + (SSCR1_TxTresh(tx_thres) & SSCR1_TFT); + /* set dma burst and threshold outside of chip_info path so that if * chip_info goes away after setting chip->enable_dma, the * burst and threshold can still respond to changes in bits_per_word */ @@ -1268,17 +1272,19 @@ static int setup(struct spi_device *spi) /* NOTE: PXA25x_SSP _could_ use external clocking ... */ if (drv_data->ssp_type != PXA25x_SSP) - dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d\n", + dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d, %s\n", spi->bits_per_word, clk_get_rate(ssp->clk) / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), - spi->mode & 0x3); + spi->mode & 0x3, + chip->enable_dma ? "DMA" : "PIO"); else - dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d\n", + dev_dbg(&spi->dev, "%d bits/word, %ld Hz, mode %d, %s\n", spi->bits_per_word, - clk_get_rate(ssp->clk) + clk_get_rate(ssp->clk) / 2 / (1 + ((chip->cr0 & SSCR0_SCR) >> 8)), - spi->mode & 0x3); + spi->mode & 0x3, + chip->enable_dma ? "DMA" : "PIO"); if (spi->bits_per_word <= 8) { chip->n_bytes = 1; @@ -1498,7 +1504,9 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev) /* Load default SSP configuration */ write_SSCR0(0, drv_data->ioaddr); - write_SSCR1(SSCR1_RxTresh(4) | SSCR1_TxTresh(12), drv_data->ioaddr); + write_SSCR1(SSCR1_RxTresh(RX_THRESH_DFLT) | + SSCR1_TxTresh(TX_THRESH_DFLT), + drv_data->ioaddr); write_SSCR0(SSCR0_SerClkDiv(2) | SSCR0_Motorola | SSCR0_DataSize(8), -- GitLab From 2bec19feabd53cba75e9dab0e79afbe868a37113 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 15 Oct 2008 22:02:44 -0700 Subject: [PATCH 5412/6244] orion_spi: handle 88F6183 erratum Add support to orion_spi for the 88F6183 ARM SoC by adding code to work around a 6183-specific erratum. Signed-off-by: Lennert Buytenhek Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/orion_spi.c | 5 +++++ include/linux/spi/orion_spi.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c index b872bfaf4bd2..014becb7d530 100644 --- a/drivers/spi/orion_spi.c +++ b/drivers/spi/orion_spi.c @@ -364,6 +364,11 @@ static int orion_spi_setup(struct spi_device *spi) return -EINVAL; } + /* Fix ac timing if required. */ + if (orion_spi->spi_info->enable_clock_fix) + orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG, + (1 << 14)); + if (spi->bits_per_word == 0) spi->bits_per_word = 8; diff --git a/include/linux/spi/orion_spi.h b/include/linux/spi/orion_spi.h index b4d9fa6f797c..decf6d8c77b7 100644 --- a/include/linux/spi/orion_spi.h +++ b/include/linux/spi/orion_spi.h @@ -11,6 +11,7 @@ struct orion_spi_info { u32 tclk; /* no support yet */ + u32 enable_clock_fix; }; -- GitLab From 673c0c00382ed807f09d94e806f3519ddeeb4f70 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:02:46 -0700 Subject: [PATCH 5413/6244] spi: core and gpio expanders use subsys_init Make the SPI external GPIO expander drivers register themselves at subsys_initcall() time when they're statically linked, and make the SPI core do its driver model initialization earlier so that's safe. SOC-integrated GPIOs are available starting very early -- often before initcalls start to run, or earily in arch_initcall() at latest -- so this improves consistency, letting more subsystems rely on GPIOs being usable by their own subsys_initcall() code. Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpio/max7301.c | 6 ++++-- drivers/gpio/mcp23s08.c | 5 ++++- drivers/spi/spi.c | 2 +- 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c index 39c795ad8312..1b5ad97b9e5b 100644 --- a/drivers/gpio/max7301.c +++ b/drivers/gpio/max7301.c @@ -325,13 +325,15 @@ static int __init max7301_init(void) { return spi_register_driver(&max7301_driver); } +/* register after spi postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(max7301_init); static void __exit max7301_exit(void) { spi_unregister_driver(&max7301_driver); } - -module_init(max7301_init); module_exit(max7301_exit); MODULE_AUTHOR("Juergen Beisert"); diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c index 8a1b405fefda..89c1d222e9d1 100644 --- a/drivers/gpio/mcp23s08.c +++ b/drivers/gpio/mcp23s08.c @@ -419,7 +419,10 @@ static int __init mcp23s08_init(void) { return spi_register_driver(&mcp23s08_driver); } -module_init(mcp23s08_init); +/* register after spi postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(mcp23s08_init); static void __exit mcp23s08_exit(void) { diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2de6b0e72f3f..3734dc9708e1 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -738,5 +738,5 @@ err0: * driver registration) _could_ be dynamically linked (modular) ... costs * include needing to have boardinfo data structures be much more public. */ -subsys_initcall(spi_init); +postcore_initcall(spi_init); -- GitLab From 9d793b0bcbbbc37d80241862dfa5257963d5415e Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 15 Oct 2008 22:02:47 -0700 Subject: [PATCH 5414/6244] i2o: Fix 32/64bit DMA locking The I2O ioctls assume 32bits. In itself that is fine as they are old cards and nobody uses 64bit. However on LKML it was noted this assumption is also made for allocated memory and is unsafe on 64bit systems. Fixing this is a mess. It turns out there is tons of crap buried in a header file that does racy 32/64bit filtering on the masks. So we: - Verify all callers of the racy code can sleep (i2o_dma_[re]alloc) - Move the code into a new i2o/memory.c file - Remove the gfp_mask argument so nobody can try and misuse the function - Wrap a mutex around the problem area (a single mutex is easy to do and none of this is performance relevant) - Switch the remaining problem kmalloc holdout to use i2o_dma_alloc Cc: Markus Lidel Cc: Vasily Averin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/message/i2o/Makefile | 2 +- drivers/message/i2o/device.c | 2 +- drivers/message/i2o/exec-osm.c | 4 +- drivers/message/i2o/i2o_config.c | 31 ++- drivers/message/i2o/iop.c | 2 +- drivers/message/i2o/memory.c | 313 +++++++++++++++++++++++++++++++ drivers/message/i2o/pci.c | 16 +- include/linux/i2o.h | 292 ++-------------------------- 8 files changed, 351 insertions(+), 311 deletions(-) create mode 100644 drivers/message/i2o/memory.c diff --git a/drivers/message/i2o/Makefile b/drivers/message/i2o/Makefile index 2c2e39aa1efa..b0982dacfd0a 100644 --- a/drivers/message/i2o/Makefile +++ b/drivers/message/i2o/Makefile @@ -5,7 +5,7 @@ # In the future, some of these should be built conditionally. # -i2o_core-y += iop.o driver.o device.o debug.o pci.o exec-osm.o +i2o_core-y += iop.o driver.o device.o debug.o pci.o exec-osm.o memory.o i2o_bus-y += bus-osm.o i2o_config-y += config-osm.o obj-$(CONFIG_I2O) += i2o_core.o diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c index 8774c670e668..54c2e9ae23e5 100644 --- a/drivers/message/i2o/device.c +++ b/drivers/message/i2o/device.c @@ -467,7 +467,7 @@ int i2o_parm_issue(struct i2o_device *i2o_dev, int cmd, void *oplist, res.virt = NULL; - if (i2o_dma_alloc(dev, &res, reslen, GFP_KERNEL)) + if (i2o_dma_alloc(dev, &res, reslen)) return -ENOMEM; msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET); diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 6cbcc21de518..56faef1a1d55 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -388,8 +388,8 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind) dev = &c->pdev->dev; - if (i2o_dma_realloc - (dev, &c->dlct, le32_to_cpu(sb->expected_lct_size), GFP_KERNEL)) + if (i2o_dma_realloc(dev, &c->dlct, + le32_to_cpu(sb->expected_lct_size))) return -ENOMEM; msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET); diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 4238de98d4a6..a3fabdbe6ca6 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -260,7 +260,7 @@ static int i2o_cfg_swdl(unsigned long arg) if (IS_ERR(msg)) return PTR_ERR(msg); - if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) { + if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize)) { i2o_msg_nop(c, msg); return -ENOMEM; } @@ -339,7 +339,7 @@ static int i2o_cfg_swul(unsigned long arg) if (IS_ERR(msg)) return PTR_ERR(msg); - if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) { + if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize)) { i2o_msg_nop(c, msg); return -ENOMEM; } @@ -634,9 +634,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, sg_size = sg[i].flag_count & 0xffffff; p = &(sg_list[sg_index]); /* Allocate memory for the transfer */ - if (i2o_dma_alloc - (&c->pdev->dev, p, sg_size, - PCI_DMA_BIDIRECTIONAL)) { + if (i2o_dma_alloc(&c->pdev->dev, p, sg_size)) { printk(KERN_DEBUG "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", c->name, sg_size, i, sg_count); @@ -780,12 +778,11 @@ static int i2o_cfg_passthru(unsigned long arg) u32 size = 0; u32 reply_size = 0; u32 rcode = 0; - void *sg_list[SG_TABLESIZE]; + struct i2o_dma sg_list[SG_TABLESIZE]; u32 sg_offset = 0; u32 sg_count = 0; int sg_index = 0; u32 i = 0; - void *p = NULL; i2o_status_block *sb; struct i2o_message *msg; unsigned int iop; @@ -842,6 +839,7 @@ static int i2o_cfg_passthru(unsigned long arg) memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE); if (sg_offset) { struct sg_simple_element *sg; + struct i2o_dma *p; if (sg_offset * 4 >= size) { rcode = -EFAULT; @@ -871,22 +869,22 @@ static int i2o_cfg_passthru(unsigned long arg) goto sg_list_cleanup; } sg_size = sg[i].flag_count & 0xffffff; + p = &(sg_list[sg_index]); + if (i2o_dma_alloc(&c->pdev->dev, p, sg_size)) { /* Allocate memory for the transfer */ - p = kmalloc(sg_size, GFP_KERNEL); - if (!p) { printk(KERN_DEBUG "%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", c->name, sg_size, i, sg_count); rcode = -ENOMEM; goto sg_list_cleanup; } - sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame. + sg_index++; /* Copy in the user's SG buffer if necessary */ if (sg[i]. flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) { // TODO 64bit fix if (copy_from_user - (p, (void __user *)sg[i].addr_bus, + (p->virt, (void __user *)sg[i].addr_bus, sg_size)) { printk(KERN_DEBUG "%s: Could not copy SG buf %d FROM user\n", @@ -895,8 +893,7 @@ static int i2o_cfg_passthru(unsigned long arg) goto sg_list_cleanup; } } - //TODO 64bit fix - sg[i].addr_bus = virt_to_bus(p); + sg[i].addr_bus = p->phys; } } @@ -908,7 +905,7 @@ static int i2o_cfg_passthru(unsigned long arg) } if (sg_offset) { - u32 rmsg[128]; + u32 rmsg[I2O_OUTBOUND_MSG_FRAME_SIZE]; /* Copy back the Scatter Gather buffers back to user space */ u32 j; // TODO 64bit fix @@ -942,11 +939,11 @@ static int i2o_cfg_passthru(unsigned long arg) sg_size = sg[j].flag_count & 0xffffff; // TODO 64bit fix if (copy_to_user - ((void __user *)sg[j].addr_bus, sg_list[j], + ((void __user *)sg[j].addr_bus, sg_list[j].virt, sg_size)) { printk(KERN_WARNING "%s: Could not copy %p TO user %x\n", - c->name, sg_list[j], + c->name, sg_list[j].virt, sg[j].addr_bus); rcode = -EFAULT; goto sg_list_cleanup; @@ -973,7 +970,7 @@ sg_list_cleanup: } for (i = 0; i < sg_index; i++) - kfree(sg_list[i]); + i2o_dma_free(&c->pdev->dev, &sg_list[i]); cleanup: kfree(reply); diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index da715e11c1b2..be2b5926d26c 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -1004,7 +1004,7 @@ static int i2o_hrt_get(struct i2o_controller *c) size = hrt->num_entries * hrt->entry_len << 2; if (size > c->hrt.len) { - if (i2o_dma_realloc(dev, &c->hrt, size, GFP_KERNEL)) + if (i2o_dma_realloc(dev, &c->hrt, size)) return -ENOMEM; else hrt = c->hrt.virt; diff --git a/drivers/message/i2o/memory.c b/drivers/message/i2o/memory.c new file mode 100644 index 000000000000..f5cc95c564e2 --- /dev/null +++ b/drivers/message/i2o/memory.c @@ -0,0 +1,313 @@ +/* + * Functions to handle I2O memory + * + * Pulled from the inlines in i2o headers and uninlined + * + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include +#include +#include +#include +#include +#include "core.h" + +/* Protects our 32/64bit mask switching */ +static DEFINE_MUTEX(mem_lock); + +/** + * i2o_sg_tablesize - Calculate the maximum number of elements in a SGL + * @c: I2O controller for which the calculation should be done + * @body_size: maximum body size used for message in 32-bit words. + * + * Return the maximum number of SG elements in a SG list. + */ +u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size) +{ + i2o_status_block *sb = c->status_block.virt; + u16 sg_count = + (sb->inbound_frame_size - sizeof(struct i2o_message) / 4) - + body_size; + + if (c->pae_support) { + /* + * for 64-bit a SG attribute element must be added and each + * SG element needs 12 bytes instead of 8. + */ + sg_count -= 2; + sg_count /= 3; + } else + sg_count /= 2; + + if (c->short_req && (sg_count > 8)) + sg_count = 8; + + return sg_count; +} +EXPORT_SYMBOL_GPL(i2o_sg_tablesize); + + +/** + * i2o_dma_map_single - Map pointer to controller and fill in I2O message. + * @c: I2O controller + * @ptr: pointer to the data which should be mapped + * @size: size of data in bytes + * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE + * @sg_ptr: pointer to the SG list inside the I2O message + * + * This function does all necessary DMA handling and also writes the I2O + * SGL elements into the I2O message. For details on DMA handling see also + * dma_map_single(). The pointer sg_ptr will only be set to the end of the + * SG list if the allocation was successful. + * + * Returns DMA address which must be checked for failures using + * dma_mapping_error(). + */ +dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr, + size_t size, + enum dma_data_direction direction, + u32 ** sg_ptr) +{ + u32 sg_flags; + u32 *mptr = *sg_ptr; + dma_addr_t dma_addr; + + switch (direction) { + case DMA_TO_DEVICE: + sg_flags = 0xd4000000; + break; + case DMA_FROM_DEVICE: + sg_flags = 0xd0000000; + break; + default: + return 0; + } + + dma_addr = dma_map_single(&c->pdev->dev, ptr, size, direction); + if (!dma_mapping_error(&c->pdev->dev, dma_addr)) { +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) { + *mptr++ = cpu_to_le32(0x7C020002); + *mptr++ = cpu_to_le32(PAGE_SIZE); + } +#endif + + *mptr++ = cpu_to_le32(sg_flags | size); + *mptr++ = cpu_to_le32(i2o_dma_low(dma_addr)); +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) + *mptr++ = cpu_to_le32(i2o_dma_high(dma_addr)); +#endif + *sg_ptr = mptr; + } + return dma_addr; +} +EXPORT_SYMBOL_GPL(i2o_dma_map_single); + +/** + * i2o_dma_map_sg - Map a SG List to controller and fill in I2O message. + * @c: I2O controller + * @sg: SG list to be mapped + * @sg_count: number of elements in the SG list + * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE + * @sg_ptr: pointer to the SG list inside the I2O message + * + * This function does all necessary DMA handling and also writes the I2O + * SGL elements into the I2O message. For details on DMA handling see also + * dma_map_sg(). The pointer sg_ptr will only be set to the end of the SG + * list if the allocation was successful. + * + * Returns 0 on failure or 1 on success. + */ +int i2o_dma_map_sg(struct i2o_controller *c, struct scatterlist *sg, + int sg_count, enum dma_data_direction direction, u32 ** sg_ptr) +{ + u32 sg_flags; + u32 *mptr = *sg_ptr; + + switch (direction) { + case DMA_TO_DEVICE: + sg_flags = 0x14000000; + break; + case DMA_FROM_DEVICE: + sg_flags = 0x10000000; + break; + default: + return 0; + } + + sg_count = dma_map_sg(&c->pdev->dev, sg, sg_count, direction); + if (!sg_count) + return 0; + +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) { + *mptr++ = cpu_to_le32(0x7C020002); + *mptr++ = cpu_to_le32(PAGE_SIZE); + } +#endif + + while (sg_count-- > 0) { + if (!sg_count) + sg_flags |= 0xC0000000; + *mptr++ = cpu_to_le32(sg_flags | sg_dma_len(sg)); + *mptr++ = cpu_to_le32(i2o_dma_low(sg_dma_address(sg))); +#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 + if ((sizeof(dma_addr_t) > 4) && c->pae_support) + *mptr++ = cpu_to_le32(i2o_dma_high(sg_dma_address(sg))); +#endif + sg = sg_next(sg); + } + *sg_ptr = mptr; + + return 1; +} +EXPORT_SYMBOL_GPL(i2o_dma_map_sg); + +/** + * i2o_dma_alloc - Allocate DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: i2o_dma struct which should get the DMA buffer + * @len: length of the new DMA memory + * + * Allocate a coherent DMA memory and write the pointers into addr. + * + * Returns 0 on success or -ENOMEM on failure. + */ +int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, size_t len) +{ + struct pci_dev *pdev = to_pci_dev(dev); + int dma_64 = 0; + + mutex_lock(&mem_lock); + if ((sizeof(dma_addr_t) > 4) && (pdev->dma_mask == DMA_64BIT_MASK)) { + dma_64 = 1; + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { + mutex_unlock(&mem_lock); + return -ENOMEM; + } + } + + addr->virt = dma_alloc_coherent(dev, len, &addr->phys, GFP_KERNEL); + + if ((sizeof(dma_addr_t) > 4) && dma_64) + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK)) + printk(KERN_WARNING "i2o: unable to set 64-bit DMA"); + mutex_unlock(&mem_lock); + + if (!addr->virt) + return -ENOMEM; + + memset(addr->virt, 0, len); + addr->len = len; + + return 0; +} +EXPORT_SYMBOL_GPL(i2o_dma_alloc); + + +/** + * i2o_dma_free - Free DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: i2o_dma struct which contains the DMA buffer + * + * Free a coherent DMA memory and set virtual address of addr to NULL. + */ +void i2o_dma_free(struct device *dev, struct i2o_dma *addr) +{ + if (addr->virt) { + if (addr->phys) + dma_free_coherent(dev, addr->len, addr->virt, + addr->phys); + else + kfree(addr->virt); + addr->virt = NULL; + } +} +EXPORT_SYMBOL_GPL(i2o_dma_free); + + +/** + * i2o_dma_realloc - Realloc DMA memory + * @dev: struct device pointer to the PCI device of the I2O controller + * @addr: pointer to a i2o_dma struct DMA buffer + * @len: new length of memory + * + * If there was something allocated in the addr, free it first. If len > 0 + * than try to allocate it and write the addresses back to the addr + * structure. If len == 0 set the virtual address to NULL. + * + * Returns the 0 on success or negative error code on failure. + */ +int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, size_t len) +{ + i2o_dma_free(dev, addr); + + if (len) + return i2o_dma_alloc(dev, addr, len); + + return 0; +} +EXPORT_SYMBOL_GPL(i2o_dma_realloc); + +/* + * i2o_pool_alloc - Allocate an slab cache and mempool + * @mempool: pointer to struct i2o_pool to write data into. + * @name: name which is used to identify cache + * @size: size of each object + * @min_nr: minimum number of objects + * + * First allocates a slab cache with name and size. Then allocates a + * mempool which uses the slab cache for allocation and freeing. + * + * Returns 0 on success or negative error code on failure. + */ +int i2o_pool_alloc(struct i2o_pool *pool, const char *name, + size_t size, int min_nr) +{ + pool->name = kmalloc(strlen(name) + 1, GFP_KERNEL); + if (!pool->name) + goto exit; + strcpy(pool->name, name); + + pool->slab = + kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL); + if (!pool->slab) + goto free_name; + + pool->mempool = mempool_create_slab_pool(min_nr, pool->slab); + if (!pool->mempool) + goto free_slab; + + return 0; + +free_slab: + kmem_cache_destroy(pool->slab); + +free_name: + kfree(pool->name); + +exit: + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(i2o_pool_alloc); + +/* + * i2o_pool_free - Free slab cache and mempool again + * @mempool: pointer to struct i2o_pool which should be freed + * + * Note that you have to return all objects to the mempool again before + * calling i2o_pool_free(). + */ +void i2o_pool_free(struct i2o_pool *pool) +{ + mempool_destroy(pool->mempool); + kmem_cache_destroy(pool->slab); + kfree(pool->name); +}; +EXPORT_SYMBOL_GPL(i2o_pool_free); diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 685a89547a51..610ef1204e68 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -186,31 +186,29 @@ static int __devinit i2o_pci_alloc(struct i2o_controller *c) } } - if (i2o_dma_alloc(dev, &c->status, 8, GFP_KERNEL)) { + if (i2o_dma_alloc(dev, &c->status, 8)) { i2o_pci_free(c); return -ENOMEM; } - if (i2o_dma_alloc(dev, &c->hrt, sizeof(i2o_hrt), GFP_KERNEL)) { + if (i2o_dma_alloc(dev, &c->hrt, sizeof(i2o_hrt))) { i2o_pci_free(c); return -ENOMEM; } - if (i2o_dma_alloc(dev, &c->dlct, 8192, GFP_KERNEL)) { + if (i2o_dma_alloc(dev, &c->dlct, 8192)) { i2o_pci_free(c); return -ENOMEM; } - if (i2o_dma_alloc(dev, &c->status_block, sizeof(i2o_status_block), - GFP_KERNEL)) { + if (i2o_dma_alloc(dev, &c->status_block, sizeof(i2o_status_block))) { i2o_pci_free(c); return -ENOMEM; } - if (i2o_dma_alloc - (dev, &c->out_queue, - I2O_MAX_OUTBOUND_MSG_FRAMES * I2O_OUTBOUND_MSG_FRAME_SIZE * - sizeof(u32), GFP_KERNEL)) { + if (i2o_dma_alloc(dev, &c->out_queue, + I2O_MAX_OUTBOUND_MSG_FRAMES * I2O_OUTBOUND_MSG_FRAME_SIZE * + sizeof(u32))) { i2o_pci_free(c); return -ENOMEM; } diff --git a/include/linux/i2o.h b/include/linux/i2o.h index 75ae6d8aba4f..4c4e57d1f19d 100644 --- a/include/linux/i2o.h +++ b/include/linux/i2o.h @@ -570,7 +570,6 @@ struct i2o_controller { #endif spinlock_t lock; /* lock for controller configuration */ - void *driver_data[I2O_MAX_DRIVERS]; /* storage for drivers */ }; @@ -691,289 +690,22 @@ static inline u32 i2o_dma_high(dma_addr_t dma_addr) }; #endif -/** - * i2o_sg_tablesize - Calculate the maximum number of elements in a SGL - * @c: I2O controller for which the calculation should be done - * @body_size: maximum body size used for message in 32-bit words. - * - * Return the maximum number of SG elements in a SG list. - */ -static inline u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size) -{ - i2o_status_block *sb = c->status_block.virt; - u16 sg_count = - (sb->inbound_frame_size - sizeof(struct i2o_message) / 4) - - body_size; - - if (c->pae_support) { - /* - * for 64-bit a SG attribute element must be added and each - * SG element needs 12 bytes instead of 8. - */ - sg_count -= 2; - sg_count /= 3; - } else - sg_count /= 2; - - if (c->short_req && (sg_count > 8)) - sg_count = 8; - - return sg_count; -}; - -/** - * i2o_dma_map_single - Map pointer to controller and fill in I2O message. - * @c: I2O controller - * @ptr: pointer to the data which should be mapped - * @size: size of data in bytes - * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE - * @sg_ptr: pointer to the SG list inside the I2O message - * - * This function does all necessary DMA handling and also writes the I2O - * SGL elements into the I2O message. For details on DMA handling see also - * dma_map_single(). The pointer sg_ptr will only be set to the end of the - * SG list if the allocation was successful. - * - * Returns DMA address which must be checked for failures using - * dma_mapping_error(). - */ -static inline dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr, +extern u16 i2o_sg_tablesize(struct i2o_controller *c, u16 body_size); +extern dma_addr_t i2o_dma_map_single(struct i2o_controller *c, void *ptr, size_t size, enum dma_data_direction direction, - u32 ** sg_ptr) -{ - u32 sg_flags; - u32 *mptr = *sg_ptr; - dma_addr_t dma_addr; - - switch (direction) { - case DMA_TO_DEVICE: - sg_flags = 0xd4000000; - break; - case DMA_FROM_DEVICE: - sg_flags = 0xd0000000; - break; - default: - return 0; - } - - dma_addr = dma_map_single(&c->pdev->dev, ptr, size, direction); - if (!dma_mapping_error(&c->pdev->dev, dma_addr)) { -#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 - if ((sizeof(dma_addr_t) > 4) && c->pae_support) { - *mptr++ = cpu_to_le32(0x7C020002); - *mptr++ = cpu_to_le32(PAGE_SIZE); - } -#endif - - *mptr++ = cpu_to_le32(sg_flags | size); - *mptr++ = cpu_to_le32(i2o_dma_low(dma_addr)); -#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 - if ((sizeof(dma_addr_t) > 4) && c->pae_support) - *mptr++ = cpu_to_le32(i2o_dma_high(dma_addr)); -#endif - *sg_ptr = mptr; - } - return dma_addr; -}; - -/** - * i2o_dma_map_sg - Map a SG List to controller and fill in I2O message. - * @c: I2O controller - * @sg: SG list to be mapped - * @sg_count: number of elements in the SG list - * @direction: DMA_TO_DEVICE / DMA_FROM_DEVICE - * @sg_ptr: pointer to the SG list inside the I2O message - * - * This function does all necessary DMA handling and also writes the I2O - * SGL elements into the I2O message. For details on DMA handling see also - * dma_map_sg(). The pointer sg_ptr will only be set to the end of the SG - * list if the allocation was successful. - * - * Returns 0 on failure or 1 on success. - */ -static inline int i2o_dma_map_sg(struct i2o_controller *c, + u32 ** sg_ptr); +extern int i2o_dma_map_sg(struct i2o_controller *c, struct scatterlist *sg, int sg_count, enum dma_data_direction direction, - u32 ** sg_ptr) -{ - u32 sg_flags; - u32 *mptr = *sg_ptr; - - switch (direction) { - case DMA_TO_DEVICE: - sg_flags = 0x14000000; - break; - case DMA_FROM_DEVICE: - sg_flags = 0x10000000; - break; - default: - return 0; - } - - sg_count = dma_map_sg(&c->pdev->dev, sg, sg_count, direction); - if (!sg_count) - return 0; - -#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 - if ((sizeof(dma_addr_t) > 4) && c->pae_support) { - *mptr++ = cpu_to_le32(0x7C020002); - *mptr++ = cpu_to_le32(PAGE_SIZE); - } -#endif - - while (sg_count-- > 0) { - if (!sg_count) - sg_flags |= 0xC0000000; - *mptr++ = cpu_to_le32(sg_flags | sg_dma_len(sg)); - *mptr++ = cpu_to_le32(i2o_dma_low(sg_dma_address(sg))); -#ifdef CONFIG_I2O_EXT_ADAPTEC_DMA64 - if ((sizeof(dma_addr_t) > 4) && c->pae_support) - *mptr++ = cpu_to_le32(i2o_dma_high(sg_dma_address(sg))); -#endif - sg = sg_next(sg); - } - *sg_ptr = mptr; - - return 1; -}; - -/** - * i2o_dma_alloc - Allocate DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which should get the DMA buffer - * @len: length of the new DMA memory - * @gfp_mask: GFP mask - * - * Allocate a coherent DMA memory and write the pointers into addr. - * - * Returns 0 on success or -ENOMEM on failure. - */ -static inline int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, - size_t len, gfp_t gfp_mask) -{ - struct pci_dev *pdev = to_pci_dev(dev); - int dma_64 = 0; - - if ((sizeof(dma_addr_t) > 4) && (pdev->dma_mask == DMA_64BIT_MASK)) { - dma_64 = 1; - if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) - return -ENOMEM; - } - - addr->virt = dma_alloc_coherent(dev, len, &addr->phys, gfp_mask); - - if ((sizeof(dma_addr_t) > 4) && dma_64) - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK)) - printk(KERN_WARNING "i2o: unable to set 64-bit DMA"); - - if (!addr->virt) - return -ENOMEM; - - memset(addr->virt, 0, len); - addr->len = len; - - return 0; -}; - -/** - * i2o_dma_free - Free DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: i2o_dma struct which contains the DMA buffer - * - * Free a coherent DMA memory and set virtual address of addr to NULL. - */ -static inline void i2o_dma_free(struct device *dev, struct i2o_dma *addr) -{ - if (addr->virt) { - if (addr->phys) - dma_free_coherent(dev, addr->len, addr->virt, - addr->phys); - else - kfree(addr->virt); - addr->virt = NULL; - } -}; - -/** - * i2o_dma_realloc - Realloc DMA memory - * @dev: struct device pointer to the PCI device of the I2O controller - * @addr: pointer to a i2o_dma struct DMA buffer - * @len: new length of memory - * @gfp_mask: GFP mask - * - * If there was something allocated in the addr, free it first. If len > 0 - * than try to allocate it and write the addresses back to the addr - * structure. If len == 0 set the virtual address to NULL. - * - * Returns the 0 on success or negative error code on failure. - */ -static inline int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, - size_t len, gfp_t gfp_mask) -{ - i2o_dma_free(dev, addr); - - if (len) - return i2o_dma_alloc(dev, addr, len, gfp_mask); - - return 0; -}; - -/* - * i2o_pool_alloc - Allocate an slab cache and mempool - * @mempool: pointer to struct i2o_pool to write data into. - * @name: name which is used to identify cache - * @size: size of each object - * @min_nr: minimum number of objects - * - * First allocates a slab cache with name and size. Then allocates a - * mempool which uses the slab cache for allocation and freeing. - * - * Returns 0 on success or negative error code on failure. - */ -static inline int i2o_pool_alloc(struct i2o_pool *pool, const char *name, - size_t size, int min_nr) -{ - pool->name = kmalloc(strlen(name) + 1, GFP_KERNEL); - if (!pool->name) - goto exit; - strcpy(pool->name, name); - - pool->slab = - kmem_cache_create(pool->name, size, 0, SLAB_HWCACHE_ALIGN, NULL); - if (!pool->slab) - goto free_name; - - pool->mempool = mempool_create_slab_pool(min_nr, pool->slab); - if (!pool->mempool) - goto free_slab; - - return 0; - - free_slab: - kmem_cache_destroy(pool->slab); - - free_name: - kfree(pool->name); - - exit: - return -ENOMEM; -}; - -/* - * i2o_pool_free - Free slab cache and mempool again - * @mempool: pointer to struct i2o_pool which should be freed - * - * Note that you have to return all objects to the mempool again before - * calling i2o_pool_free(). - */ -static inline void i2o_pool_free(struct i2o_pool *pool) -{ - mempool_destroy(pool->mempool); - kmem_cache_destroy(pool->slab); - kfree(pool->name); -}; - + u32 ** sg_ptr); +extern int i2o_dma_alloc(struct device *dev, struct i2o_dma *addr, size_t len); +extern void i2o_dma_free(struct device *dev, struct i2o_dma *addr); +extern int i2o_dma_realloc(struct device *dev, struct i2o_dma *addr, + size_t len); +extern int i2o_pool_alloc(struct i2o_pool *pool, const char *name, + size_t size, int min_nr); +extern void i2o_pool_free(struct i2o_pool *pool); /* I2O driver (OSM) functions */ extern int i2o_driver_register(struct i2o_driver *); extern void i2o_driver_unregister(struct i2o_driver *); -- GitLab From 7d6c7045581d3736c5f14053eb59342aa0b2cc07 Mon Sep 17 00:00:00 2001 From: Michael Halcrow Date: Wed, 15 Oct 2008 22:02:49 -0700 Subject: [PATCH 5415/6244] eCryptfs: remove retry loop in ecryptfs_readdir() The retry block in ecryptfs_readdir() has been in the eCryptfs code base for a while, apparently for no good reason. This loop could potentially run without terminating. This patch removes the loop, instead erroring out if vfs_readdir() on the lower file fails. Signed-off-by: Michael Halcrow Reported-by: Al Viro Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ecryptfs/file.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 9244d653743e..eb3dc4c7ac06 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -71,12 +71,11 @@ struct ecryptfs_getdents_callback { void *dirent; struct dentry *dentry; filldir_t filldir; - int err; int filldir_called; int entries_written; }; -/* Inspired by generic filldir in fs/readir.c */ +/* Inspired by generic filldir in fs/readdir.c */ static int ecryptfs_filldir(void *dirent, const char *name, int namelen, loff_t offset, u64 ino, unsigned int d_type) @@ -125,18 +124,18 @@ static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir) buf.dirent = dirent; buf.dentry = file->f_path.dentry; buf.filldir = filldir; -retry: buf.filldir_called = 0; buf.entries_written = 0; - buf.err = 0; rc = vfs_readdir(lower_file, ecryptfs_filldir, (void *)&buf); - if (buf.err) - rc = buf.err; - if (buf.filldir_called && !buf.entries_written) - goto retry; file->f_pos = lower_file->f_pos; + if (rc < 0) + goto out; + if (buf.filldir_called && !buf.entries_written) + goto out; if (rc >= 0) - fsstack_copy_attr_atime(inode, lower_file->f_path.dentry->d_inode); + fsstack_copy_attr_atime(inode, + lower_file->f_path.dentry->d_inode); +out: return rc; } -- GitLab From 807b7ebe41ab80d96e89a53bc290d49613e56f48 Mon Sep 17 00:00:00 2001 From: Badari Pulavarty Date: Wed, 15 Oct 2008 22:02:50 -0700 Subject: [PATCH 5416/6244] ecryptfs: convert to use new aops Convert ecryptfs to use write_begin/write_end Signed-off-by: Nick Piggin Signed-off-by: Badari Pulavarty Acked-by: Michael Halcrow Cc: Dave Kleikamp Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ecryptfs/mmap.c | 81 ++++++++++++++++++++++++++++------------------ 1 file changed, 50 insertions(+), 31 deletions(-) diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 245c2dc02d5c..04d7b3fa1ac6 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -265,22 +265,34 @@ out: } /** - * ecryptfs_prepare_write + * ecryptfs_write_begin * @file: The eCryptfs file - * @page: The eCryptfs page - * @from: The start byte from which we will write - * @to: The end byte to which we will write + * @mapping: The eCryptfs object + * @pos: The file offset at which to start writing + * @len: Length of the write + * @flags: Various flags + * @pagep: Pointer to return the page + * @fsdata: Pointer to return fs data (unused) * * This function must zero any hole we create * * Returns zero on success; non-zero otherwise */ -static int ecryptfs_prepare_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ecryptfs_write_begin(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + struct page *page; loff_t prev_page_end_size; int rc = 0; + page = __grab_cache_page(mapping, index); + if (!page) + return -ENOMEM; + *pagep = page; + if (!PageUptodate(page)) { struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private( @@ -289,8 +301,7 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED) || (crypt_stat->flags & ECRYPTFS_NEW_FILE)) { rc = ecryptfs_read_lower_page_segment( - page, page->index, 0, PAGE_CACHE_SIZE, - page->mapping->host); + page, index, 0, PAGE_CACHE_SIZE, mapping->host); if (rc) { printk(KERN_ERR "%s: Error attemping to read " "lower page segment; rc = [%d]\n", @@ -316,8 +327,8 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, SetPageUptodate(page); } else { rc = ecryptfs_read_lower_page_segment( - page, page->index, 0, PAGE_CACHE_SIZE, - page->mapping->host); + page, index, 0, PAGE_CACHE_SIZE, + mapping->host); if (rc) { printk(KERN_ERR "%s: Error reading " "page; rc = [%d]\n", @@ -339,10 +350,10 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, SetPageUptodate(page); } } - prev_page_end_size = ((loff_t)page->index << PAGE_CACHE_SHIFT); + prev_page_end_size = ((loff_t)index << PAGE_CACHE_SHIFT); /* If creating a page or more of holes, zero them out via truncate. * Note, this will increase i_size. */ - if (page->index != 0) { + if (index != 0) { if (prev_page_end_size > i_size_read(page->mapping->host)) { rc = ecryptfs_truncate(file->f_path.dentry, prev_page_end_size); @@ -357,8 +368,8 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, } /* Writing to a new page, and creating a small hole from start * of page? Zero it out. */ - if ((i_size_read(page->mapping->host) == prev_page_end_size) - && (from != 0)) + if ((i_size_read(mapping->host) == prev_page_end_size) + && (pos != 0)) zero_user(page, 0, PAGE_CACHE_SIZE); out: return rc; @@ -445,21 +456,28 @@ int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode) } /** - * ecryptfs_commit_write + * ecryptfs_write_end * @file: The eCryptfs file object + * @mapping: The eCryptfs object + * @pos: The file position + * @len: The length of the data (unused) + * @copied: The amount of data copied * @page: The eCryptfs page - * @from: Ignored (we rotate the page IV on each write) - * @to: Ignored + * @fsdata: The fsdata (unused) * * This is where we encrypt the data and pass the encrypted data to * the lower filesystem. In OpenPGP-compatible mode, we operate on * entire underlying packets. */ -static int ecryptfs_commit_write(struct file *file, struct page *page, - unsigned from, unsigned to) +static int ecryptfs_write_end(struct file *file, + struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { - loff_t pos; - struct inode *ecryptfs_inode = page->mapping->host; + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + unsigned from = pos & (PAGE_CACHE_SIZE - 1); + unsigned to = from + copied; + struct inode *ecryptfs_inode = mapping->host; struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(file->f_path.dentry->d_inode)->crypt_stat; int rc; @@ -471,25 +489,22 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, } else ecryptfs_printk(KERN_DEBUG, "Not a new file\n"); ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page" - "(page w/ index = [0x%.16x], to = [%d])\n", page->index, - to); + "(page w/ index = [0x%.16x], to = [%d])\n", index, to); /* Fills in zeros if 'to' goes beyond inode size */ rc = fill_zeros_to_end_of_page(page, to); if (rc) { ecryptfs_printk(KERN_WARNING, "Error attempting to fill " - "zeros in page with index = [0x%.16x]\n", - page->index); + "zeros in page with index = [0x%.16x]\n", index); goto out; } rc = ecryptfs_encrypt_page(page); if (rc) { ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " - "index [0x%.16x])\n", page->index); + "index [0x%.16x])\n", index); goto out; } - pos = (((loff_t)page->index) << PAGE_CACHE_SHIFT) + to; - if (pos > i_size_read(ecryptfs_inode)) { - i_size_write(ecryptfs_inode, pos); + if (pos + copied > i_size_read(ecryptfs_inode)) { + i_size_write(ecryptfs_inode, pos + copied); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " "[0x%.16x]\n", i_size_read(ecryptfs_inode)); } @@ -497,7 +512,11 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, if (rc) printk(KERN_ERR "Error writing inode size to metadata; " "rc = [%d]\n", rc); + else + rc = copied; out: + unlock_page(page); + page_cache_release(page); return rc; } @@ -518,7 +537,7 @@ static sector_t ecryptfs_bmap(struct address_space *mapping, sector_t block) struct address_space_operations ecryptfs_aops = { .writepage = ecryptfs_writepage, .readpage = ecryptfs_readpage, - .prepare_write = ecryptfs_prepare_write, - .commit_write = ecryptfs_commit_write, + .write_begin = ecryptfs_write_begin, + .write_end = ecryptfs_write_end, .bmap = ecryptfs_bmap, }; -- GitLab From 624ae5284516870657505103ada531c64dba2a9a Mon Sep 17 00:00:00 2001 From: Tyler Hicks Date: Wed, 15 Oct 2008 22:02:51 -0700 Subject: [PATCH 5417/6244] eCryptfs: remove netlink transport The netlink transport code has not worked for a while and the miscdev transport is a simpler solution. This patch removes the netlink code and makes the miscdev transport the only eCryptfs kernel to userspace transport. Signed-off-by: Tyler Hicks Cc: Michael Halcrow Cc: Dustin Kirkland Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ecryptfs/Makefile | 2 +- fs/ecryptfs/ecryptfs_kernel.h | 28 +--- fs/ecryptfs/keystore.c | 32 ++--- fs/ecryptfs/main.c | 19 ++- fs/ecryptfs/messaging.c | 118 +++++----------- fs/ecryptfs/netlink.c | 249 ---------------------------------- 6 files changed, 60 insertions(+), 388 deletions(-) delete mode 100644 fs/ecryptfs/netlink.c diff --git a/fs/ecryptfs/Makefile b/fs/ecryptfs/Makefile index b4755a85996e..2cc9ee4ad2eb 100644 --- a/fs/ecryptfs/Makefile +++ b/fs/ecryptfs/Makefile @@ -4,4 +4,4 @@ obj-$(CONFIG_ECRYPT_FS) += ecryptfs.o -ecryptfs-objs := dentry.o file.o inode.o main.o super.o mmap.o read_write.o crypto.o keystore.o messaging.o netlink.o miscdev.o kthread.o debug.o +ecryptfs-objs := dentry.o file.o inode.o main.o super.o mmap.o read_write.o crypto.o keystore.o messaging.o miscdev.o kthread.o debug.o diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index b73fb752c5f8..3504cf9df358 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -79,11 +79,6 @@ #define ECRYPTFS_MAX_PKI_NAME_BYTES 16 #define ECRYPTFS_DEFAULT_NUM_USERS 4 #define ECRYPTFS_MAX_NUM_USERS 32768 -#define ECRYPTFS_TRANSPORT_NETLINK 0 -#define ECRYPTFS_TRANSPORT_CONNECTOR 1 -#define ECRYPTFS_TRANSPORT_RELAYFS 2 -#define ECRYPTFS_TRANSPORT_MISCDEV 3 -#define ECRYPTFS_DEFAULT_TRANSPORT ECRYPTFS_TRANSPORT_MISCDEV #define ECRYPTFS_XATTR_NAME "user.ecryptfs" #define RFC2440_CIPHER_DES3_EDE 0x02 @@ -400,8 +395,6 @@ struct ecryptfs_msg_ctx { struct mutex mux; }; -extern unsigned int ecryptfs_transport; - struct ecryptfs_daemon; struct ecryptfs_daemon { @@ -627,31 +620,20 @@ int ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode); -int ecryptfs_process_helo(unsigned int transport, uid_t euid, - struct user_namespace *user_ns, struct pid *pid); +int ecryptfs_process_helo(uid_t euid, struct user_namespace *user_ns, + struct pid *pid); int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns, struct pid *pid); int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid, struct user_namespace *user_ns, struct pid *pid, u32 seq); -int ecryptfs_send_message(unsigned int transport, char *data, int data_len, +int ecryptfs_send_message(char *data, int data_len, struct ecryptfs_msg_ctx **msg_ctx); int ecryptfs_wait_for_response(struct ecryptfs_msg_ctx *msg_ctx, struct ecryptfs_message **emsg); -int ecryptfs_init_messaging(unsigned int transport); -void ecryptfs_release_messaging(unsigned int transport); +int ecryptfs_init_messaging(void); +void ecryptfs_release_messaging(void); -int ecryptfs_send_netlink(char *data, int data_len, - struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, - u16 msg_flags, struct pid *daemon_pid); -int ecryptfs_init_netlink(void); -void ecryptfs_release_netlink(void); - -int ecryptfs_send_connector(char *data, int data_len, - struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, - u16 msg_flags, struct pid *daemon_pid); -int ecryptfs_init_connector(void); -void ecryptfs_release_connector(void); void ecryptfs_write_header_metadata(char *virt, struct ecryptfs_crypt_stat *crypt_stat, diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index f5b76a331b9c..e22bc3961345 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -234,8 +234,8 @@ parse_tag_65_packet(struct ecryptfs_session_key *session_key, u8 *cipher_code, } i += data_len; if (message_len < (i + m_size)) { - ecryptfs_printk(KERN_ERR, "The received netlink message is " - "shorter than expected\n"); + ecryptfs_printk(KERN_ERR, "The message received from ecryptfsd " + "is shorter than expected\n"); rc = -EIO; goto out; } @@ -438,8 +438,8 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, struct ecryptfs_msg_ctx *msg_ctx; struct ecryptfs_message *msg = NULL; char *auth_tok_sig; - char *netlink_message; - size_t netlink_message_length; + char *payload; + size_t payload_len; int rc; rc = ecryptfs_get_auth_tok_sig(&auth_tok_sig, auth_tok); @@ -449,15 +449,15 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok, goto out; } rc = write_tag_64_packet(auth_tok_sig, &(auth_tok->session_key), - &netlink_message, &netlink_message_length); + &payload, &payload_len); if (rc) { ecryptfs_printk(KERN_ERR, "Failed to write tag 64 packet\n"); goto out; } - rc = ecryptfs_send_message(ecryptfs_transport, netlink_message, - netlink_message_length, &msg_ctx); + rc = ecryptfs_send_message(payload, payload_len, &msg_ctx); if (rc) { - ecryptfs_printk(KERN_ERR, "Error sending netlink message\n"); + ecryptfs_printk(KERN_ERR, "Error sending message to " + "ecryptfsd\n"); goto out; } rc = ecryptfs_wait_for_response(msg_ctx, &msg); @@ -1333,23 +1333,22 @@ pki_encrypt_session_key(struct ecryptfs_auth_tok *auth_tok, struct ecryptfs_key_record *key_rec) { struct ecryptfs_msg_ctx *msg_ctx = NULL; - char *netlink_payload; - size_t netlink_payload_length; + char *payload = NULL; + size_t payload_len; struct ecryptfs_message *msg; int rc; rc = write_tag_66_packet(auth_tok->token.private_key.signature, ecryptfs_code_for_cipher_string(crypt_stat), - crypt_stat, &netlink_payload, - &netlink_payload_length); + crypt_stat, &payload, &payload_len); if (rc) { ecryptfs_printk(KERN_ERR, "Error generating tag 66 packet\n"); goto out; } - rc = ecryptfs_send_message(ecryptfs_transport, netlink_payload, - netlink_payload_length, &msg_ctx); + rc = ecryptfs_send_message(payload, payload_len, &msg_ctx); if (rc) { - ecryptfs_printk(KERN_ERR, "Error sending netlink message\n"); + ecryptfs_printk(KERN_ERR, "Error sending message to " + "ecryptfsd\n"); goto out; } rc = ecryptfs_wait_for_response(msg_ctx, &msg); @@ -1364,8 +1363,7 @@ pki_encrypt_session_key(struct ecryptfs_auth_tok *auth_tok, ecryptfs_printk(KERN_ERR, "Error parsing tag 67 packet\n"); kfree(msg); out: - if (netlink_payload) - kfree(netlink_payload); + kfree(payload); return rc; } /** diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 8ebe9a5d1d99..046e027a4cb1 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -30,7 +30,6 @@ #include #include #include -#include #include #include #include @@ -49,8 +48,7 @@ MODULE_PARM_DESC(ecryptfs_verbosity, "0, which is Quiet)"); /** - * Module parameter that defines the number of netlink message buffer - * elements + * Module parameter that defines the number of message buffer elements */ unsigned int ecryptfs_message_buf_len = ECRYPTFS_DEFAULT_MSG_CTX_ELEMS; @@ -60,9 +58,9 @@ MODULE_PARM_DESC(ecryptfs_message_buf_len, /** * Module parameter that defines the maximum guaranteed amount of time to wait - * for a response through netlink. The actual sleep time will be, more than + * for a response from ecryptfsd. The actual sleep time will be, more than * likely, a small amount greater than this specified value, but only less if - * the netlink message successfully arrives. + * the message successfully arrives. */ signed long ecryptfs_message_wait_timeout = ECRYPTFS_MAX_MSG_CTX_TTL / HZ; @@ -83,8 +81,6 @@ module_param(ecryptfs_number_of_users, uint, 0); MODULE_PARM_DESC(ecryptfs_number_of_users, "An estimate of the number of " "concurrent users of eCryptfs"); -unsigned int ecryptfs_transport = ECRYPTFS_DEFAULT_TRANSPORT; - void __ecryptfs_printk(const char *fmt, ...) { va_list args; @@ -779,10 +775,11 @@ static int __init ecryptfs_init(void) "rc = [%d]\n", __func__, rc); goto out_do_sysfs_unregistration; } - rc = ecryptfs_init_messaging(ecryptfs_transport); + rc = ecryptfs_init_messaging(); if (rc) { printk(KERN_ERR "Failure occured while attempting to " - "initialize the eCryptfs netlink socket\n"); + "initialize the communications channel to " + "ecryptfsd\n"); goto out_destroy_kthread; } rc = ecryptfs_init_crypto(); @@ -797,7 +794,7 @@ static int __init ecryptfs_init(void) goto out; out_release_messaging: - ecryptfs_release_messaging(ecryptfs_transport); + ecryptfs_release_messaging(); out_destroy_kthread: ecryptfs_destroy_kthread(); out_do_sysfs_unregistration: @@ -818,7 +815,7 @@ static void __exit ecryptfs_exit(void) if (rc) printk(KERN_ERR "Failure whilst attempting to destroy crypto; " "rc = [%d]\n", rc); - ecryptfs_release_messaging(ecryptfs_transport); + ecryptfs_release_messaging(); ecryptfs_destroy_kthread(); do_sysfs_unregistration(); unregister_filesystem(&ecryptfs_fs_type); diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index 1b5c20058acb..c6983978a31e 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -134,12 +134,11 @@ out: } static int -ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len, - u8 msg_type, struct ecryptfs_msg_ctx **msg_ctx); +ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type, + struct ecryptfs_msg_ctx **msg_ctx); /** * ecryptfs_send_raw_message - * @transport: Transport type * @msg_type: Message type * @daemon: Daemon struct for recipient of message * @@ -150,38 +149,25 @@ ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len, * * Returns zero on success; non-zero otherwise */ -static int ecryptfs_send_raw_message(unsigned int transport, u8 msg_type, +static int ecryptfs_send_raw_message(u8 msg_type, struct ecryptfs_daemon *daemon) { struct ecryptfs_msg_ctx *msg_ctx; int rc; - switch(transport) { - case ECRYPTFS_TRANSPORT_NETLINK: - rc = ecryptfs_send_netlink(NULL, 0, NULL, msg_type, 0, - daemon->pid); - break; - case ECRYPTFS_TRANSPORT_MISCDEV: - rc = ecryptfs_send_message_locked(transport, NULL, 0, msg_type, - &msg_ctx); - if (rc) { - printk(KERN_ERR "%s: Error whilst attempting to send " - "message via procfs; rc = [%d]\n", __func__, rc); - goto out; - } - /* Raw messages are logically context-free (e.g., no - * reply is expected), so we set the state of the - * ecryptfs_msg_ctx object to indicate that it should - * be freed as soon as the transport sends out the message. */ - mutex_lock(&msg_ctx->mux); - msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_NO_REPLY; - mutex_unlock(&msg_ctx->mux); - break; - case ECRYPTFS_TRANSPORT_CONNECTOR: - case ECRYPTFS_TRANSPORT_RELAYFS: - default: - rc = -ENOSYS; + rc = ecryptfs_send_message_locked(NULL, 0, msg_type, &msg_ctx); + if (rc) { + printk(KERN_ERR "%s: Error whilst attempting to send " + "message to ecryptfsd; rc = [%d]\n", __func__, rc); + goto out; } + /* Raw messages are logically context-free (e.g., no + * reply is expected), so we set the state of the + * ecryptfs_msg_ctx object to indicate that it should + * be freed as soon as the message is sent. */ + mutex_lock(&msg_ctx->mux); + msg_ctx->state = ECRYPTFS_MSG_CTX_STATE_NO_REPLY; + mutex_unlock(&msg_ctx->mux); out: return rc; } @@ -227,7 +213,6 @@ out: /** * ecryptfs_process_helo - * @transport: The underlying transport (netlink, etc.) * @euid: The user ID owner of the message * @user_ns: The namespace in which @euid applies * @pid: The process ID for the userspace program that sent the @@ -239,8 +224,8 @@ out: * Returns zero after adding a new daemon to the hash list; * non-zero otherwise. */ -int ecryptfs_process_helo(unsigned int transport, uid_t euid, - struct user_namespace *user_ns, struct pid *pid) +int ecryptfs_process_helo(uid_t euid, struct user_namespace *user_ns, + struct pid *pid) { struct ecryptfs_daemon *new_daemon; struct ecryptfs_daemon *old_daemon; @@ -252,8 +237,7 @@ int ecryptfs_process_helo(unsigned int transport, uid_t euid, printk(KERN_WARNING "Received request from user [%d] " "to register daemon [0x%p]; unregistering daemon " "[0x%p]\n", euid, pid, old_daemon->pid); - rc = ecryptfs_send_raw_message(transport, ECRYPTFS_MSG_QUIT, - old_daemon); + rc = ecryptfs_send_raw_message(ECRYPTFS_MSG_QUIT, old_daemon); if (rc) printk(KERN_WARNING "Failed to send QUIT " "message to daemon [0x%p]; rc = [%d]\n", @@ -467,8 +451,6 @@ out: /** * ecryptfs_send_message_locked - * @transport: The transport over which to send the message (i.e., - * netlink) * @data: The data to send * @data_len: The length of data * @msg_ctx: The message context allocated for the send @@ -478,8 +460,8 @@ out: * Returns zero on success; non-zero otherwise */ static int -ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len, - u8 msg_type, struct ecryptfs_msg_ctx **msg_ctx) +ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type, + struct ecryptfs_msg_ctx **msg_ctx) { struct ecryptfs_daemon *daemon; int rc; @@ -503,20 +485,8 @@ ecryptfs_send_message_locked(unsigned int transport, char *data, int data_len, ecryptfs_msg_ctx_free_to_alloc(*msg_ctx); mutex_unlock(&(*msg_ctx)->mux); mutex_unlock(&ecryptfs_msg_ctx_lists_mux); - switch (transport) { - case ECRYPTFS_TRANSPORT_NETLINK: - rc = ecryptfs_send_netlink(data, data_len, *msg_ctx, msg_type, - 0, daemon->pid); - break; - case ECRYPTFS_TRANSPORT_MISCDEV: - rc = ecryptfs_send_miscdev(data, data_len, *msg_ctx, msg_type, - 0, daemon); - break; - case ECRYPTFS_TRANSPORT_CONNECTOR: - case ECRYPTFS_TRANSPORT_RELAYFS: - default: - rc = -ENOSYS; - } + rc = ecryptfs_send_miscdev(data, data_len, *msg_ctx, msg_type, 0, + daemon); if (rc) printk(KERN_ERR "%s: Error attempting to send message to " "userspace daemon; rc = [%d]\n", __func__, rc); @@ -526,8 +496,6 @@ out: /** * ecryptfs_send_message - * @transport: The transport over which to send the message (i.e., - * netlink) * @data: The data to send * @data_len: The length of data * @msg_ctx: The message context allocated for the send @@ -536,14 +504,14 @@ out: * * Returns zero on success; non-zero otherwise */ -int ecryptfs_send_message(unsigned int transport, char *data, int data_len, +int ecryptfs_send_message(char *data, int data_len, struct ecryptfs_msg_ctx **msg_ctx) { int rc; mutex_lock(&ecryptfs_daemon_hash_mux); - rc = ecryptfs_send_message_locked(transport, data, data_len, - ECRYPTFS_MSG_REQUEST, msg_ctx); + rc = ecryptfs_send_message_locked(data, data_len, ECRYPTFS_MSG_REQUEST, + msg_ctx); mutex_unlock(&ecryptfs_daemon_hash_mux); return rc; } @@ -586,7 +554,7 @@ sleep: return rc; } -int ecryptfs_init_messaging(unsigned int transport) +int ecryptfs_init_messaging(void) { int i; int rc = 0; @@ -639,27 +607,14 @@ int ecryptfs_init_messaging(unsigned int transport) mutex_unlock(&ecryptfs_msg_ctx_arr[i].mux); } mutex_unlock(&ecryptfs_msg_ctx_lists_mux); - switch(transport) { - case ECRYPTFS_TRANSPORT_NETLINK: - rc = ecryptfs_init_netlink(); - if (rc) - ecryptfs_release_messaging(transport); - break; - case ECRYPTFS_TRANSPORT_MISCDEV: - rc = ecryptfs_init_ecryptfs_miscdev(); - if (rc) - ecryptfs_release_messaging(transport); - break; - case ECRYPTFS_TRANSPORT_CONNECTOR: - case ECRYPTFS_TRANSPORT_RELAYFS: - default: - rc = -ENOSYS; - } + rc = ecryptfs_init_ecryptfs_miscdev(); + if (rc) + ecryptfs_release_messaging(); out: return rc; } -void ecryptfs_release_messaging(unsigned int transport) +void ecryptfs_release_messaging(void) { if (ecryptfs_msg_ctx_arr) { int i; @@ -698,17 +653,6 @@ void ecryptfs_release_messaging(unsigned int transport) kfree(ecryptfs_daemon_hash); mutex_unlock(&ecryptfs_daemon_hash_mux); } - switch(transport) { - case ECRYPTFS_TRANSPORT_NETLINK: - ecryptfs_release_netlink(); - break; - case ECRYPTFS_TRANSPORT_MISCDEV: - ecryptfs_destroy_ecryptfs_miscdev(); - break; - case ECRYPTFS_TRANSPORT_CONNECTOR: - case ECRYPTFS_TRANSPORT_RELAYFS: - default: - break; - } + ecryptfs_destroy_ecryptfs_miscdev(); return; } diff --git a/fs/ecryptfs/netlink.c b/fs/ecryptfs/netlink.c deleted file mode 100644 index e0abad62b395..000000000000 --- a/fs/ecryptfs/netlink.c +++ /dev/null @@ -1,249 +0,0 @@ -/** - * eCryptfs: Linux filesystem encryption layer - * - * Copyright (C) 2004-2006 International Business Machines Corp. - * Author(s): Michael A. Halcrow - * Tyler Hicks - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include -#include -#include -#include "ecryptfs_kernel.h" - -static struct sock *ecryptfs_nl_sock; - -/** - * ecryptfs_send_netlink - * @data: The data to include as the payload - * @data_len: The byte count of the data - * @msg_ctx: The netlink context that will be used to handle the - * response message - * @msg_type: The type of netlink message to send - * @msg_flags: The flags to include in the netlink header - * @daemon_pid: The process id of the daemon to send the message to - * - * Sends the data to the specified daemon pid and uses the netlink - * context element to store the data needed for validation upon - * receiving the response. The data and the netlink context can be - * null if just sending a netlink header is sufficient. Returns zero - * upon sending the message; non-zero upon error. - */ -int ecryptfs_send_netlink(char *data, int data_len, - struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, - u16 msg_flags, struct pid *daemon_pid) -{ - struct sk_buff *skb; - struct nlmsghdr *nlh; - struct ecryptfs_message *msg; - size_t payload_len; - int rc; - - payload_len = ((data && data_len) ? (sizeof(*msg) + data_len) : 0); - skb = alloc_skb(NLMSG_SPACE(payload_len), GFP_KERNEL); - if (!skb) { - rc = -ENOMEM; - ecryptfs_printk(KERN_ERR, "Failed to allocate socket buffer\n"); - goto out; - } - nlh = NLMSG_PUT(skb, pid_nr(daemon_pid), msg_ctx ? msg_ctx->counter : 0, - msg_type, payload_len); - nlh->nlmsg_flags = msg_flags; - if (msg_ctx && payload_len) { - msg = (struct ecryptfs_message *)NLMSG_DATA(nlh); - msg->index = msg_ctx->index; - msg->data_len = data_len; - memcpy(msg->data, data, data_len); - } - rc = netlink_unicast(ecryptfs_nl_sock, skb, pid_nr(daemon_pid), 0); - if (rc < 0) { - ecryptfs_printk(KERN_ERR, "Failed to send eCryptfs netlink " - "message; rc = [%d]\n", rc); - goto out; - } - rc = 0; - goto out; -nlmsg_failure: - rc = -EMSGSIZE; - kfree_skb(skb); -out: - return rc; -} - -/** - * ecryptfs_process_nl_reponse - * @skb: The socket buffer containing the netlink message of state - * RESPONSE - * - * Processes a response message after sending a operation request to - * userspace. Attempts to assign the msg to a netlink context element - * at the index specified in the msg. The sk_buff and nlmsghdr must - * be validated before this function. Returns zero upon delivery to - * desired context element; non-zero upon delivery failure or error. - */ -static int ecryptfs_process_nl_response(struct sk_buff *skb) -{ - struct nlmsghdr *nlh = nlmsg_hdr(skb); - struct ecryptfs_message *msg = NLMSG_DATA(nlh); - struct pid *pid; - int rc; - - if (skb->len - NLMSG_HDRLEN - sizeof(*msg) != msg->data_len) { - rc = -EINVAL; - ecryptfs_printk(KERN_ERR, "Received netlink message with " - "incorrectly specified data length\n"); - goto out; - } - pid = find_get_pid(NETLINK_CREDS(skb)->pid); - rc = ecryptfs_process_response(msg, NETLINK_CREDS(skb)->uid, NULL, - pid, nlh->nlmsg_seq); - put_pid(pid); - if (rc) - printk(KERN_ERR - "Error processing response message; rc = [%d]\n", rc); -out: - return rc; -} - -/** - * ecryptfs_process_nl_helo - * @skb: The socket buffer containing the nlmsghdr in HELO state - * - * Gets uid and pid of the skb and adds the values to the daemon id - * hash. Returns zero after adding a new daemon id to the hash list; - * non-zero otherwise. - */ -static int ecryptfs_process_nl_helo(struct sk_buff *skb) -{ - struct pid *pid; - int rc; - - pid = find_get_pid(NETLINK_CREDS(skb)->pid); - rc = ecryptfs_process_helo(ECRYPTFS_TRANSPORT_NETLINK, - NETLINK_CREDS(skb)->uid, NULL, pid); - put_pid(pid); - if (rc) - printk(KERN_WARNING "Error processing HELO; rc = [%d]\n", rc); - return rc; -} - -/** - * ecryptfs_process_nl_quit - * @skb: The socket buffer containing the nlmsghdr in QUIT state - * - * Gets uid and pid of the skb and deletes the corresponding daemon - * id, if it is the registered that is requesting the - * deletion. Returns zero after deleting the desired daemon id; - * non-zero otherwise. - */ -static int ecryptfs_process_nl_quit(struct sk_buff *skb) -{ - struct pid *pid; - int rc; - - pid = find_get_pid(NETLINK_CREDS(skb)->pid); - rc = ecryptfs_process_quit(NETLINK_CREDS(skb)->uid, NULL, pid); - put_pid(pid); - if (rc) - printk(KERN_WARNING - "Error processing QUIT message; rc = [%d]\n", rc); - return rc; -} - -/** - * ecryptfs_receive_nl_message - * - * Callback function called by netlink system when a message arrives. - * If the message looks to be valid, then an attempt is made to assign - * it to its desired netlink context element and wake up the process - * that is waiting for a response. - */ -static void ecryptfs_receive_nl_message(struct sk_buff *skb) -{ - struct nlmsghdr *nlh; - - nlh = nlmsg_hdr(skb); - if (!NLMSG_OK(nlh, skb->len)) { - ecryptfs_printk(KERN_ERR, "Received corrupt netlink " - "message\n"); - goto free; - } - switch (nlh->nlmsg_type) { - case ECRYPTFS_MSG_RESPONSE: - if (ecryptfs_process_nl_response(skb)) { - ecryptfs_printk(KERN_WARNING, "Failed to " - "deliver netlink response to " - "requesting operation\n"); - } - break; - case ECRYPTFS_MSG_HELO: - if (ecryptfs_process_nl_helo(skb)) { - ecryptfs_printk(KERN_WARNING, "Failed to " - "fulfill HELO request\n"); - } - break; - case ECRYPTFS_MSG_QUIT: - if (ecryptfs_process_nl_quit(skb)) { - ecryptfs_printk(KERN_WARNING, "Failed to " - "fulfill QUIT request\n"); - } - break; - default: - ecryptfs_printk(KERN_WARNING, "Dropping netlink " - "message of unrecognized type [%d]\n", - nlh->nlmsg_type); - break; - } -free: - kfree_skb(skb); -} - -/** - * ecryptfs_init_netlink - * - * Initializes the daemon id hash list, netlink context array, and - * necessary locks. Returns zero upon success; non-zero upon error. - */ -int ecryptfs_init_netlink(void) -{ - int rc; - - ecryptfs_nl_sock = netlink_kernel_create(&init_net, NETLINK_ECRYPTFS, 0, - ecryptfs_receive_nl_message, - NULL, THIS_MODULE); - if (!ecryptfs_nl_sock) { - rc = -EIO; - ecryptfs_printk(KERN_ERR, "Failed to create netlink socket\n"); - goto out; - } - ecryptfs_nl_sock->sk_sndtimeo = ECRYPTFS_DEFAULT_SEND_TIMEOUT; - rc = 0; -out: - return rc; -} - -/** - * ecryptfs_release_netlink - * - * Frees all memory used by the netlink context array and releases the - * netlink socket. - */ -void ecryptfs_release_netlink(void) -{ - netlink_kernel_release(ecryptfs_nl_sock); - ecryptfs_nl_sock = NULL; -} -- GitLab From bb979d7fc360bc37cbaff43a6fafceb897cb5e47 Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Wed, 15 Oct 2008 22:02:52 -0700 Subject: [PATCH 5418/6244] autofs4: cleanup autofs mount type usage Usage of the AUTOFS_TYPE_* defines is a little confusing and appears inconsistent. Signed-off-by: Ian Kent Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/autofs4/autofs_i.h | 6 ++---- fs/autofs4/expire.c | 2 +- fs/autofs4/inode.c | 6 +++--- fs/autofs4/waitq.c | 8 ++++---- include/linux/auto_fs4.h | 5 +++++ 5 files changed, 15 insertions(+), 12 deletions(-) diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 69a2f5c92319..ea024d8e37ed 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -21,6 +21,8 @@ #define AUTOFS_IOC_FIRST AUTOFS_IOC_READY #define AUTOFS_IOC_COUNT 32 +#define AUTOFS_TYPE_TRIGGER (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET) + #include #include #include @@ -92,10 +94,6 @@ struct autofs_wait_queue { #define AUTOFS_SBI_MAGIC 0x6d4a556d -#define AUTOFS_TYPE_INDIRECT 0x0001 -#define AUTOFS_TYPE_DIRECT 0x0002 -#define AUTOFS_TYPE_OFFSET 0x0004 - struct autofs_sb_info { u32 magic; int pipefd; diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index cdabb796ff01..e79dd09e12a1 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -479,7 +479,7 @@ int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt, if (arg && get_user(do_now, arg)) return -EFAULT; - if (sbi->type & AUTOFS_TYPE_DIRECT) + if (sbi->type & AUTOFS_TYPE_TRIGGER) dentry = autofs4_expire_direct(sb, mnt, sbi, do_now); else dentry = autofs4_expire_indirect(sb, mnt, sbi, do_now); diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 45d55819203d..7303099fcc1a 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -288,7 +288,7 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid, *type = AUTOFS_TYPE_DIRECT; break; case Opt_offset: - *type = AUTOFS_TYPE_DIRECT | AUTOFS_TYPE_OFFSET; + *type = AUTOFS_TYPE_OFFSET; break; default: return 1; @@ -336,7 +336,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) sbi->sb = s; sbi->version = 0; sbi->sub_version = 0; - sbi->type = 0; + sbi->type = AUTOFS_TYPE_INDIRECT; sbi->min_proto = 0; sbi->max_proto = 0; mutex_init(&sbi->wq_mutex); @@ -378,7 +378,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) } root_inode->i_fop = &autofs4_root_operations; - root_inode->i_op = sbi->type & AUTOFS_TYPE_DIRECT ? + root_inode->i_op = sbi->type & AUTOFS_TYPE_TRIGGER ? &autofs4_direct_root_inode_operations : &autofs4_indirect_root_inode_operations; diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index 35216d18d8b5..6d87bb156326 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -337,7 +337,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, * is very similar for indirect mounts except only dentrys * in the root of the autofs file system may be negative. */ - if (sbi->type & (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET)) + if (sbi->type & AUTOFS_TYPE_TRIGGER) return -ENOENT; else if (!IS_ROOT(dentry->d_parent)) return -ENOENT; @@ -348,7 +348,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, return -ENOMEM; /* If this is a direct mount request create a dummy name */ - if (IS_ROOT(dentry) && (sbi->type & AUTOFS_TYPE_DIRECT)) + if (IS_ROOT(dentry) && sbi->type & AUTOFS_TYPE_TRIGGER) qstr.len = sprintf(name, "%p", dentry); else { qstr.len = autofs4_getpath(sbi, dentry, &name); @@ -406,11 +406,11 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, type = autofs_ptype_expire_multi; } else { if (notify == NFY_MOUNT) - type = (sbi->type & AUTOFS_TYPE_DIRECT) ? + type = (sbi->type & AUTOFS_TYPE_TRIGGER) ? autofs_ptype_missing_direct : autofs_ptype_missing_indirect; else - type = (sbi->type & AUTOFS_TYPE_DIRECT) ? + type = (sbi->type & AUTOFS_TYPE_TRIGGER) ? autofs_ptype_expire_direct : autofs_ptype_expire_indirect; } diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h index b785c6f8644d..aa96a04ae023 100644 --- a/include/linux/auto_fs4.h +++ b/include/linux/auto_fs4.h @@ -29,6 +29,11 @@ #define AUTOFS_EXP_IMMEDIATE 1 #define AUTOFS_EXP_LEAVES 2 +#define AUTOFS_TYPE_ANY 0x0000 +#define AUTOFS_TYPE_INDIRECT 0x0001 +#define AUTOFS_TYPE_DIRECT 0x0002 +#define AUTOFS_TYPE_OFFSET 0x0004 + /* Daemon notification packet types */ enum autofs_notify { NFY_NONE, -- GitLab From c0f54d3e54fd7ac6723b2125d881f1b25d21ed16 Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Wed, 15 Oct 2008 22:02:52 -0700 Subject: [PATCH 5419/6244] autofs4: track uid and gid of last mount requester Track the uid and gid of the last process to request a mount for on an autofs dentry. [akpm@linux-foundation.org: fix tpyo in comment] Signed-off-by: Ian Kent Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/autofs4/autofs_i.h | 3 +++ fs/autofs4/inode.c | 2 ++ fs/autofs4/waitq.c | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+) diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index ea024d8e37ed..fa76d18be082 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -63,6 +63,9 @@ struct autofs_info { unsigned long last_used; atomic_t count; + uid_t uid; + gid_t gid; + mode_t mode; size_t size; diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 7303099fcc1a..c7e65bb30ba0 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -53,6 +53,8 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *ino, atomic_set(&ino->count, 0); } + ino->uid = 0; + ino->gid = 0; ino->mode = mode; ino->last_used = jiffies; diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index 6d87bb156326..4b67c2a2d77c 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -457,6 +457,40 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, status = wq->status; + /* + * For direct and offset mounts we need to track the requester's + * uid and gid in the dentry info struct. This is so it can be + * supplied, on request, by the misc device ioctl interface. + * This is needed during daemon resatart when reconnecting + * to existing, active, autofs mounts. The uid and gid (and + * related string values) may be used for macro substitution + * in autofs mount maps. + */ + if (!status) { + struct autofs_info *ino; + struct dentry *de = NULL; + + /* direct mount or browsable map */ + ino = autofs4_dentry_ino(dentry); + if (!ino) { + /* If not lookup actual dentry used */ + de = d_lookup(dentry->d_parent, &dentry->d_name); + if (de) + ino = autofs4_dentry_ino(de); + } + + /* Set mount requester */ + if (ino) { + spin_lock(&sbi->fs_lock); + ino->uid = wq->uid; + ino->gid = wq->gid; + spin_unlock(&sbi->fs_lock); + } + + if (de) + dput(de); + } + /* Are we the last process to need status? */ mutex_lock(&sbi->wq_mutex); if (!--wq->wait_ctr) -- GitLab From 4b22ff13415fa30b6282c88da790c82b4c6e5127 Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Wed, 15 Oct 2008 22:02:53 -0700 Subject: [PATCH 5420/6244] autofs4: device node ioctl documentation Add documentation for the miscellaneous device module of autofs4. Signed-off-by: Ian Kent Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- .../filesystems/autofs4-mount-control.txt | 393 ++++++++++++++++++ 1 file changed, 393 insertions(+) create mode 100644 Documentation/filesystems/autofs4-mount-control.txt diff --git a/Documentation/filesystems/autofs4-mount-control.txt b/Documentation/filesystems/autofs4-mount-control.txt new file mode 100644 index 000000000000..c6341745df37 --- /dev/null +++ b/Documentation/filesystems/autofs4-mount-control.txt @@ -0,0 +1,393 @@ + +Miscellaneous Device control operations for the autofs4 kernel module +==================================================================== + +The problem +=========== + +There is a problem with active restarts in autofs (that is to say +restarting autofs when there are busy mounts). + +During normal operation autofs uses a file descriptor opened on the +directory that is being managed in order to be able to issue control +operations. Using a file descriptor gives ioctl operations access to +autofs specific information stored in the super block. The operations +are things such as setting an autofs mount catatonic, setting the +expire timeout and requesting expire checks. As is explained below, +certain types of autofs triggered mounts can end up covering an autofs +mount itself which prevents us being able to use open(2) to obtain a +file descriptor for these operations if we don't already have one open. + +Currently autofs uses "umount -l" (lazy umount) to clear active mounts +at restart. While using lazy umount works for most cases, anything that +needs to walk back up the mount tree to construct a path, such as +getcwd(2) and the proc file system /proc//cwd, no longer works +because the point from which the path is constructed has been detached +from the mount tree. + +The actual problem with autofs is that it can't reconnect to existing +mounts. Immediately one thinks of just adding the ability to remount +autofs file systems would solve it, but alas, that can't work. This is +because autofs direct mounts and the implementation of "on demand mount +and expire" of nested mount trees have the file system mounted directly +on top of the mount trigger directory dentry. + +For example, there are two types of automount maps, direct (in the kernel +module source you will see a third type called an offset, which is just +a direct mount in disguise) and indirect. + +Here is a master map with direct and indirect map entries: + +/- /etc/auto.direct +/test /etc/auto.indirect + +and the corresponding map files: + +/etc/auto.direct: + +/automount/dparse/g6 budgie:/autofs/export1 +/automount/dparse/g1 shark:/autofs/export1 +and so on. + +/etc/auto.indirect: + +g1 shark:/autofs/export1 +g6 budgie:/autofs/export1 +and so on. + +For the above indirect map an autofs file system is mounted on /test and +mounts are triggered for each sub-directory key by the inode lookup +operation. So we see a mount of shark:/autofs/export1 on /test/g1, for +example. + +The way that direct mounts are handled is by making an autofs mount on +each full path, such as /automount/dparse/g1, and using it as a mount +trigger. So when we walk on the path we mount shark:/autofs/export1 "on +top of this mount point". Since these are always directories we can +use the follow_link inode operation to trigger the mount. + +But, each entry in direct and indirect maps can have offsets (making +them multi-mount map entries). + +For example, an indirect mount map entry could also be: + +g1 \ + / shark:/autofs/export5/testing/test \ + /s1 shark:/autofs/export/testing/test/s1 \ + /s2 shark:/autofs/export5/testing/test/s2 \ + /s1/ss1 shark:/autofs/export1 \ + /s2/ss2 shark:/autofs/export2 + +and a similarly a direct mount map entry could also be: + +/automount/dparse/g1 \ + / shark:/autofs/export5/testing/test \ + /s1 shark:/autofs/export/testing/test/s1 \ + /s2 shark:/autofs/export5/testing/test/s2 \ + /s1/ss1 shark:/autofs/export2 \ + /s2/ss2 shark:/autofs/export2 + +One of the issues with version 4 of autofs was that, when mounting an +entry with a large number of offsets, possibly with nesting, we needed +to mount and umount all of the offsets as a single unit. Not really a +problem, except for people with a large number of offsets in map entries. +This mechanism is used for the well known "hosts" map and we have seen +cases (in 2.4) where the available number of mounts are exhausted or +where the number of privileged ports available is exhausted. + +In version 5 we mount only as we go down the tree of offsets and +similarly for expiring them which resolves the above problem. There is +somewhat more detail to the implementation but it isn't needed for the +sake of the problem explanation. The one important detail is that these +offsets are implemented using the same mechanism as the direct mounts +above and so the mount points can be covered by a mount. + +The current autofs implementation uses an ioctl file descriptor opened +on the mount point for control operations. The references held by the +descriptor are accounted for in checks made to determine if a mount is +in use and is also used to access autofs file system information held +in the mount super block. So the use of a file handle needs to be +retained. + + +The Solution +============ + +To be able to restart autofs leaving existing direct, indirect and +offset mounts in place we need to be able to obtain a file handle +for these potentially covered autofs mount points. Rather than just +implement an isolated operation it was decided to re-implement the +existing ioctl interface and add new operations to provide this +functionality. + +In addition, to be able to reconstruct a mount tree that has busy mounts, +the uid and gid of the last user that triggered the mount needs to be +available because these can be used as macro substitution variables in +autofs maps. They are recorded at mount request time and an operation +has been added to retrieve them. + +Since we're re-implementing the control interface, a couple of other +problems with the existing interface have been addressed. First, when +a mount or expire operation completes a status is returned to the +kernel by either a "send ready" or a "send fail" operation. The +"send fail" operation of the ioctl interface could only ever send +ENOENT so the re-implementation allows user space to send an actual +status. Another expensive operation in user space, for those using +very large maps, is discovering if a mount is present. Usually this +involves scanning /proc/mounts and since it needs to be done quite +often it can introduce significant overhead when there are many entries +in the mount table. An operation to lookup the mount status of a mount +point dentry (covered or not) has also been added. + +Current kernel development policy recommends avoiding the use of the +ioctl mechanism in favor of systems such as Netlink. An implementation +using this system was attempted to evaluate its suitability and it was +found to be inadequate, in this case. The Generic Netlink system was +used for this as raw Netlink would lead to a significant increase in +complexity. There's no question that the Generic Netlink system is an +elegant solution for common case ioctl functions but it's not a complete +replacement probably because it's primary purpose in life is to be a +message bus implementation rather than specifically an ioctl replacement. +While it would be possible to work around this there is one concern +that lead to the decision to not use it. This is that the autofs +expire in the daemon has become far to complex because umount +candidates are enumerated, almost for no other reason than to "count" +the number of times to call the expire ioctl. This involves scanning +the mount table which has proved to be a big overhead for users with +large maps. The best way to improve this is try and get back to the +way the expire was done long ago. That is, when an expire request is +issued for a mount (file handle) we should continually call back to +the daemon until we can't umount any more mounts, then return the +appropriate status to the daemon. At the moment we just expire one +mount at a time. A Generic Netlink implementation would exclude this +possibility for future development due to the requirements of the +message bus architecture. + + +autofs4 Miscellaneous Device mount control interface +==================================================== + +The control interface is opening a device node, typically /dev/autofs. + +All the ioctls use a common structure to pass the needed parameter +information and return operation results: + +struct autofs_dev_ioctl { + __u32 ver_major; + __u32 ver_minor; + __u32 size; /* total size of data passed in + * including this struct */ + __s32 ioctlfd; /* automount command fd */ + + __u32 arg1; /* Command parameters */ + __u32 arg2; + + char path[0]; +}; + +The ioctlfd field is a mount point file descriptor of an autofs mount +point. It is returned by the open call and is used by all calls except +the check for whether a given path is a mount point, where it may +optionally be used to check a specific mount corresponding to a given +mount point file descriptor, and when requesting the uid and gid of the +last successful mount on a directory within the autofs file system. + +The fields arg1 and arg2 are used to communicate parameters and results of +calls made as described below. + +The path field is used to pass a path where it is needed and the size field +is used account for the increased structure length when translating the +structure sent from user space. + +This structure can be initialized before setting specific fields by using +the void function call init_autofs_dev_ioctl(struct autofs_dev_ioctl *). + +All of the ioctls perform a copy of this structure from user space to +kernel space and return -EINVAL if the size parameter is smaller than +the structure size itself, -ENOMEM if the kernel memory allocation fails +or -EFAULT if the copy itself fails. Other checks include a version check +of the compiled in user space version against the module version and a +mismatch results in a -EINVAL return. If the size field is greater than +the structure size then a path is assumed to be present and is checked to +ensure it begins with a "/" and is NULL terminated, otherwise -EINVAL is +returned. Following these checks, for all ioctl commands except +AUTOFS_DEV_IOCTL_VERSION_CMD, AUTOFS_DEV_IOCTL_OPENMOUNT_CMD and +AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD the ioctlfd is validated and if it is +not a valid descriptor or doesn't correspond to an autofs mount point +an error of -EBADF, -ENOTTY or -EINVAL (not an autofs descriptor) is +returned. + + +The ioctls +========== + +An example of an implementation which uses this interface can be seen +in autofs version 5.0.4 and later in file lib/dev-ioctl-lib.c of the +distribution tar available for download from kernel.org in directory +/pub/linux/daemons/autofs/v5. + +The device node ioctl operations implemented by this interface are: + + +AUTOFS_DEV_IOCTL_VERSION +------------------------ + +Get the major and minor version of the autofs4 device ioctl kernel module +implementation. It requires an initialized struct autofs_dev_ioctl as an +input parameter and sets the version information in the passed in structure. +It returns 0 on success or the error -EINVAL if a version mismatch is +detected. + + +AUTOFS_DEV_IOCTL_PROTOVER_CMD and AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD +------------------------------------------------------------------ + +Get the major and minor version of the autofs4 protocol version understood +by loaded module. This call requires an initialized struct autofs_dev_ioctl +with the ioctlfd field set to a valid autofs mount point descriptor +and sets the requested version number in structure field arg1. These +commands return 0 on success or one of the negative error codes if +validation fails. + + +AUTOFS_DEV_IOCTL_OPENMOUNT and AUTOFS_DEV_IOCTL_CLOSEMOUNT +---------------------------------------------------------- + +Obtain and release a file descriptor for an autofs managed mount point +path. The open call requires an initialized struct autofs_dev_ioctl with +the the path field set and the size field adjusted appropriately as well +as the arg1 field set to the device number of the autofs mount. The +device number can be obtained from the mount options shown in +/proc/mounts. The close call requires an initialized struct +autofs_dev_ioct with the ioctlfd field set to the descriptor obtained +from the open call. The release of the file descriptor can also be done +with close(2) so any open descriptors will also be closed at process exit. +The close call is included in the implemented operations largely for +completeness and to provide for a consistent user space implementation. + + +AUTOFS_DEV_IOCTL_READY_CMD and AUTOFS_DEV_IOCTL_FAIL_CMD +-------------------------------------------------------- + +Return mount and expire result status from user space to the kernel. +Both of these calls require an initialized struct autofs_dev_ioctl +with the ioctlfd field set to the descriptor obtained from the open +call and the arg1 field set to the wait queue token number, received +by user space in the foregoing mount or expire request. The arg2 field +is set to the status to be returned. For the ready call this is always +0 and for the fail call it is set to the errno of the operation. + + +AUTOFS_DEV_IOCTL_SETPIPEFD_CMD +------------------------------ + +Set the pipe file descriptor used for kernel communication to the daemon. +Normally this is set at mount time using an option but when reconnecting +to a existing mount we need to use this to tell the autofs mount about +the new kernel pipe descriptor. In order to protect mounts against +incorrectly setting the pipe descriptor we also require that the autofs +mount be catatonic (see next call). + +The call requires an initialized struct autofs_dev_ioctl with the +ioctlfd field set to the descriptor obtained from the open call and +the arg1 field set to descriptor of the pipe. On success the call +also sets the process group id used to identify the controlling process +(eg. the owning automount(8) daemon) to the process group of the caller. + + +AUTOFS_DEV_IOCTL_CATATONIC_CMD +------------------------------ + +Make the autofs mount point catatonic. The autofs mount will no longer +issue mount requests, the kernel communication pipe descriptor is released +and any remaining waits in the queue released. + +The call requires an initialized struct autofs_dev_ioctl with the +ioctlfd field set to the descriptor obtained from the open call. + + +AUTOFS_DEV_IOCTL_TIMEOUT_CMD +---------------------------- + +Set the expire timeout for mounts withing an autofs mount point. + +The call requires an initialized struct autofs_dev_ioctl with the +ioctlfd field set to the descriptor obtained from the open call. + + +AUTOFS_DEV_IOCTL_REQUESTER_CMD +------------------------------ + +Return the uid and gid of the last process to successfully trigger a the +mount on the given path dentry. + +The call requires an initialized struct autofs_dev_ioctl with the path +field set to the mount point in question and the size field adjusted +appropriately as well as the arg1 field set to the device number of the +containing autofs mount. Upon return the struct field arg1 contains the +uid and arg2 the gid. + +When reconstructing an autofs mount tree with active mounts we need to +re-connect to mounts that may have used the original process uid and +gid (or string variations of them) for mount lookups within the map entry. +This call provides the ability to obtain this uid and gid so they may be +used by user space for the mount map lookups. + + +AUTOFS_DEV_IOCTL_EXPIRE_CMD +--------------------------- + +Issue an expire request to the kernel for an autofs mount. Typically +this ioctl is called until no further expire candidates are found. + +The call requires an initialized struct autofs_dev_ioctl with the +ioctlfd field set to the descriptor obtained from the open call. In +addition an immediate expire, independent of the mount timeout, can be +requested by setting the arg1 field to 1. If no expire candidates can +be found the ioctl returns -1 with errno set to EAGAIN. + +This call causes the kernel module to check the mount corresponding +to the given ioctlfd for mounts that can be expired, issues an expire +request back to the daemon and waits for completion. + +AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD +------------------------------ + +Checks if an autofs mount point is in use. + +The call requires an initialized struct autofs_dev_ioctl with the +ioctlfd field set to the descriptor obtained from the open call and +it returns the result in the arg1 field, 1 for busy and 0 otherwise. + + +AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD +--------------------------------- + +Check if the given path is a mountpoint. + +The call requires an initialized struct autofs_dev_ioctl. There are two +possible variations. Both use the path field set to the path of the mount +point to check and the size field adjusted appropriately. One uses the +ioctlfd field to identify a specific mount point to check while the other +variation uses the path and optionaly arg1 set to an autofs mount type. +The call returns 1 if this is a mount point and sets arg1 to the device +number of the mount and field arg2 to the relevant super block magic +number (described below) or 0 if it isn't a mountpoint. In both cases +the the device number (as returned by new_encode_dev()) is returned +in field arg1. + +If supplied with a file descriptor we're looking for a specific mount, +not necessarily at the top of the mounted stack. In this case the path +the descriptor corresponds to is considered a mountpoint if it is itself +a mountpoint or contains a mount, such as a multi-mount without a root +mount. In this case we return 1 if the descriptor corresponds to a mount +point and and also returns the super magic of the covering mount if there +is one or 0 if it isn't a mountpoint. + +If a path is supplied (and the ioctlfd field is set to -1) then the path +is looked up and is checked to see if it is the root of a mount. If a +type is also given we are looking for a particular autofs mount and if +a match isn't found a fail is returned. If the the located path is the +root of a mount 1 is returned along with the super magic of the mount +or 0 otherwise. + -- GitLab From 8d7b48e0bc5fa01a818eac713d4cb0763090cd0e Mon Sep 17 00:00:00 2001 From: Ian Kent Date: Wed, 15 Oct 2008 22:02:54 -0700 Subject: [PATCH 5421/6244] autofs4: add miscellaneous device for ioctls Add a miscellaneous device to the autofs4 module for routing ioctls. This provides the ability to obtain an ioctl file handle for an autofs mount point that is possibly covered by another mount. The actual problem with autofs is that it can't reconnect to existing mounts. Immediately one things of just adding the ability to remount autofs file systems would solve it, but alas, that can't work. This is because autofs direct mounts and the implementation of "on demand mount and expire" of nested mount trees have the file system mounted on top of the mount trigger dentry. To resolve this a miscellaneous device node for routing ioctl commands to these mount points has been implemented in the autofs4 kernel module and a library added to autofs. This provides the ability to open a file descriptor for these over mounted autofs mount points. Please refer to Documentation/filesystems/autofs4-mount-control.txt for a discussion of the problem, implementation alternatives considered and a description of the interface. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: build fix] Signed-off-by: Ian Kent Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/autofs4/Makefile | 2 +- fs/autofs4/autofs_i.h | 35 +- fs/autofs4/dev-ioctl.c | 863 +++++++++++++++++++++++++++++++++ fs/autofs4/expire.c | 16 +- fs/autofs4/init.c | 11 +- include/linux/auto_dev-ioctl.h | 157 ++++++ include/linux/auto_fs4.h | 2 +- 7 files changed, 1073 insertions(+), 13 deletions(-) create mode 100644 fs/autofs4/dev-ioctl.c create mode 100644 include/linux/auto_dev-ioctl.h diff --git a/fs/autofs4/Makefile b/fs/autofs4/Makefile index f2c3b79e94d2..a811c1f7d9ab 100644 --- a/fs/autofs4/Makefile +++ b/fs/autofs4/Makefile @@ -4,4 +4,4 @@ obj-$(CONFIG_AUTOFS4_FS) += autofs4.o -autofs4-objs := init.o inode.o root.o symlink.o waitq.o expire.o +autofs4-objs := init.o inode.o root.o symlink.o waitq.o expire.o dev-ioctl.o diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index fa76d18be082..e0f16da00e54 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -14,6 +14,7 @@ /* Internal header file for autofs */ #include +#include #include #include @@ -21,6 +22,9 @@ #define AUTOFS_IOC_FIRST AUTOFS_IOC_READY #define AUTOFS_IOC_COUNT 32 +#define AUTOFS_DEV_IOCTL_IOC_FIRST (AUTOFS_DEV_IOCTL_VERSION) +#define AUTOFS_DEV_IOCTL_IOC_COUNT (AUTOFS_IOC_COUNT - 11) + #define AUTOFS_TYPE_TRIGGER (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET) #include @@ -37,11 +41,27 @@ /* #define DEBUG */ #ifdef DEBUG -#define DPRINTK(fmt,args...) do { printk(KERN_DEBUG "pid %d: %s: " fmt "\n" , current->pid , __func__ , ##args); } while(0) +#define DPRINTK(fmt, args...) \ +do { \ + printk(KERN_DEBUG "pid %d: %s: " fmt "\n", \ + current->pid, __func__, ##args); \ +} while (0) #else -#define DPRINTK(fmt,args...) do {} while(0) +#define DPRINTK(fmt, args...) do {} while (0) #endif +#define AUTOFS_WARN(fmt, args...) \ +do { \ + printk(KERN_WARNING "pid %d: %s: " fmt "\n", \ + current->pid, __func__, ##args); \ +} while (0) + +#define AUTOFS_ERROR(fmt, args...) \ +do { \ + printk(KERN_ERR "pid %d: %s: " fmt "\n", \ + current->pid, __func__, ##args); \ +} while (0) + /* Unified info structure. This is pointed to by both the dentry and inode structures. Each file in the filesystem has an instance of this structure. It holds a reference to the dentry, so dentries are never @@ -170,6 +190,17 @@ int autofs4_expire_run(struct super_block *, struct vfsmount *, struct autofs_packet_expire __user *); int autofs4_expire_multi(struct super_block *, struct vfsmount *, struct autofs_sb_info *, int __user *); +struct dentry *autofs4_expire_direct(struct super_block *sb, + struct vfsmount *mnt, + struct autofs_sb_info *sbi, int how); +struct dentry *autofs4_expire_indirect(struct super_block *sb, + struct vfsmount *mnt, + struct autofs_sb_info *sbi, int how); + +/* Device node initialization */ + +int autofs_dev_ioctl_init(void); +void autofs_dev_ioctl_exit(void); /* Operations structures */ diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c new file mode 100644 index 000000000000..625abf5422e2 --- /dev/null +++ b/fs/autofs4/dev-ioctl.c @@ -0,0 +1,863 @@ +/* + * Copyright 2008 Red Hat, Inc. All rights reserved. + * Copyright 2008 Ian Kent + * + * This file is part of the Linux kernel and is made available under + * the terms of the GNU General Public License, version 2, or at your + * option, any later version, incorporated herein by reference. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "autofs_i.h" + +/* + * This module implements an interface for routing autofs ioctl control + * commands via a miscellaneous device file. + * + * The alternate interface is needed because we need to be able open + * an ioctl file descriptor on an autofs mount that may be covered by + * another mount. This situation arises when starting automount(8) + * or other user space daemon which uses direct mounts or offset + * mounts (used for autofs lazy mount/umount of nested mount trees), + * which have been left busy at at service shutdown. + */ + +#define AUTOFS_DEV_IOCTL_SIZE sizeof(struct autofs_dev_ioctl) + +typedef int (*ioctl_fn)(struct file *, struct autofs_sb_info *, + struct autofs_dev_ioctl *); + +static int check_name(const char *name) +{ + if (!strchr(name, '/')) + return -EINVAL; + return 0; +} + +/* + * Check a string doesn't overrun the chunk of + * memory we copied from user land. + */ +static int invalid_str(char *str, void *end) +{ + while ((void *) str <= end) + if (!*str++) + return 0; + return -EINVAL; +} + +/* + * Check that the user compiled against correct version of autofs + * misc device code. + * + * As well as checking the version compatibility this always copies + * the kernel interface version out. + */ +static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param) +{ + int err = 0; + + if ((AUTOFS_DEV_IOCTL_VERSION_MAJOR != param->ver_major) || + (AUTOFS_DEV_IOCTL_VERSION_MINOR < param->ver_minor)) { + AUTOFS_WARN("ioctl control interface version mismatch: " + "kernel(%u.%u), user(%u.%u), cmd(%d)", + AUTOFS_DEV_IOCTL_VERSION_MAJOR, + AUTOFS_DEV_IOCTL_VERSION_MINOR, + param->ver_major, param->ver_minor, cmd); + err = -EINVAL; + } + + /* Fill in the kernel version. */ + param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR; + param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR; + + return err; +} + +/* + * Copy parameter control struct, including a possible path allocated + * at the end of the struct. + */ +static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *in) +{ + struct autofs_dev_ioctl tmp, *ads; + + if (copy_from_user(&tmp, in, sizeof(tmp))) + return ERR_PTR(-EFAULT); + + if (tmp.size < sizeof(tmp)) + return ERR_PTR(-EINVAL); + + ads = kmalloc(tmp.size, GFP_KERNEL); + if (!ads) + return ERR_PTR(-ENOMEM); + + if (copy_from_user(ads, in, tmp.size)) { + kfree(ads); + return ERR_PTR(-EFAULT); + } + + return ads; +} + +static inline void free_dev_ioctl(struct autofs_dev_ioctl *param) +{ + kfree(param); + return; +} + +/* + * Check sanity of parameter control fields and if a path is present + * check that it has a "/" and is terminated. + */ +static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param) +{ + int err = -EINVAL; + + if (check_dev_ioctl_version(cmd, param)) { + AUTOFS_WARN("invalid device control module version " + "supplied for cmd(0x%08x)", cmd); + goto out; + } + + if (param->size > sizeof(*param)) { + err = check_name(param->path); + if (err) { + AUTOFS_WARN("invalid path supplied for cmd(0x%08x)", + cmd); + goto out; + } + + err = invalid_str(param->path, + (void *) ((size_t) param + param->size)); + if (err) { + AUTOFS_WARN("invalid path supplied for cmd(0x%08x)", + cmd); + goto out; + } + } + + err = 0; +out: + return err; +} + +/* + * Get the autofs super block info struct from the file opened on + * the autofs mount point. + */ +static struct autofs_sb_info *autofs_dev_ioctl_sbi(struct file *f) +{ + struct autofs_sb_info *sbi = NULL; + struct inode *inode; + + if (f) { + inode = f->f_path.dentry->d_inode; + sbi = autofs4_sbi(inode->i_sb); + } + return sbi; +} + +/* Return autofs module protocol version */ +static int autofs_dev_ioctl_protover(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + param->arg1 = sbi->version; + return 0; +} + +/* Return autofs module protocol sub version */ +static int autofs_dev_ioctl_protosubver(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + param->arg1 = sbi->sub_version; + return 0; +} + +/* + * Walk down the mount stack looking for an autofs mount that + * has the requested device number (aka. new_encode_dev(sb->s_dev). + */ +static int autofs_dev_ioctl_find_super(struct nameidata *nd, dev_t devno) +{ + struct dentry *dentry; + struct inode *inode; + struct super_block *sb; + dev_t s_dev; + unsigned int err; + + err = -ENOENT; + + /* Lookup the dentry name at the base of our mount point */ + dentry = d_lookup(nd->path.dentry, &nd->last); + if (!dentry) + goto out; + + dput(nd->path.dentry); + nd->path.dentry = dentry; + + /* And follow the mount stack looking for our autofs mount */ + while (follow_down(&nd->path.mnt, &nd->path.dentry)) { + inode = nd->path.dentry->d_inode; + if (!inode) + break; + + sb = inode->i_sb; + s_dev = new_encode_dev(sb->s_dev); + if (devno == s_dev) { + if (sb->s_magic == AUTOFS_SUPER_MAGIC) { + err = 0; + break; + } + } + } +out: + return err; +} + +/* + * Walk down the mount stack looking for an autofs mount that + * has the requested mount type (ie. indirect, direct or offset). + */ +static int autofs_dev_ioctl_find_sbi_type(struct nameidata *nd, unsigned int type) +{ + struct dentry *dentry; + struct autofs_info *ino; + unsigned int err; + + err = -ENOENT; + + /* Lookup the dentry name at the base of our mount point */ + dentry = d_lookup(nd->path.dentry, &nd->last); + if (!dentry) + goto out; + + dput(nd->path.dentry); + nd->path.dentry = dentry; + + /* And follow the mount stack looking for our autofs mount */ + while (follow_down(&nd->path.mnt, &nd->path.dentry)) { + ino = autofs4_dentry_ino(nd->path.dentry); + if (ino && ino->sbi->type & type) { + err = 0; + break; + } + } +out: + return err; +} + +static void autofs_dev_ioctl_fd_install(unsigned int fd, struct file *file) +{ + struct files_struct *files = current->files; + struct fdtable *fdt; + + spin_lock(&files->file_lock); + fdt = files_fdtable(files); + BUG_ON(fdt->fd[fd] != NULL); + rcu_assign_pointer(fdt->fd[fd], file); + FD_SET(fd, fdt->close_on_exec); + spin_unlock(&files->file_lock); +} + + +/* + * Open a file descriptor on the autofs mount point corresponding + * to the given path and device number (aka. new_encode_dev(sb->s_dev)). + */ +static int autofs_dev_ioctl_open_mountpoint(const char *path, dev_t devid) +{ + struct file *filp; + struct nameidata nd; + int err, fd; + + fd = get_unused_fd(); + if (likely(fd >= 0)) { + /* Get nameidata of the parent directory */ + err = path_lookup(path, LOOKUP_PARENT, &nd); + if (err) + goto out; + + /* + * Search down, within the parent, looking for an + * autofs super block that has the device number + * corresponding to the autofs fs we want to open. + */ + err = autofs_dev_ioctl_find_super(&nd, devid); + if (err) { + path_put(&nd.path); + goto out; + } + + filp = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY); + if (IS_ERR(filp)) { + err = PTR_ERR(filp); + goto out; + } + + autofs_dev_ioctl_fd_install(fd, filp); + } + + return fd; + +out: + put_unused_fd(fd); + return err; +} + +/* Open a file descriptor on an autofs mount point */ +static int autofs_dev_ioctl_openmount(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + const char *path; + dev_t devid; + int err, fd; + + /* param->path has already been checked */ + if (!param->arg1) + return -EINVAL; + + param->ioctlfd = -1; + + path = param->path; + devid = param->arg1; + + err = 0; + fd = autofs_dev_ioctl_open_mountpoint(path, devid); + if (unlikely(fd < 0)) { + err = fd; + goto out; + } + + param->ioctlfd = fd; +out: + return err; +} + +/* Close file descriptor allocated above (user can also use close(2)). */ +static int autofs_dev_ioctl_closemount(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + return sys_close(param->ioctlfd); +} + +/* + * Send "ready" status for an existing wait (either a mount or an expire + * request). + */ +static int autofs_dev_ioctl_ready(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + autofs_wqt_t token; + + token = (autofs_wqt_t) param->arg1; + return autofs4_wait_release(sbi, token, 0); +} + +/* + * Send "fail" status for an existing wait (either a mount or an expire + * request). + */ +static int autofs_dev_ioctl_fail(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + autofs_wqt_t token; + int status; + + token = (autofs_wqt_t) param->arg1; + status = param->arg2 ? param->arg2 : -ENOENT; + return autofs4_wait_release(sbi, token, status); +} + +/* + * Set the pipe fd for kernel communication to the daemon. + * + * Normally this is set at mount using an option but if we + * are reconnecting to a busy mount then we need to use this + * to tell the autofs mount about the new kernel pipe fd. In + * order to protect mounts against incorrectly setting the + * pipefd we also require that the autofs mount be catatonic. + * + * This also sets the process group id used to identify the + * controlling process (eg. the owning automount(8) daemon). + */ +static int autofs_dev_ioctl_setpipefd(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + int pipefd; + int err = 0; + + if (param->arg1 == -1) + return -EINVAL; + + pipefd = param->arg1; + + mutex_lock(&sbi->wq_mutex); + if (!sbi->catatonic) { + mutex_unlock(&sbi->wq_mutex); + return -EBUSY; + } else { + struct file *pipe = fget(pipefd); + if (!pipe->f_op || !pipe->f_op->write) { + err = -EPIPE; + fput(pipe); + goto out; + } + sbi->oz_pgrp = task_pgrp_nr(current); + sbi->pipefd = pipefd; + sbi->pipe = pipe; + sbi->catatonic = 0; + } +out: + mutex_unlock(&sbi->wq_mutex); + return err; +} + +/* + * Make the autofs mount point catatonic, no longer responsive to + * mount requests. Also closes the kernel pipe file descriptor. + */ +static int autofs_dev_ioctl_catatonic(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + autofs4_catatonic_mode(sbi); + return 0; +} + +/* Set the autofs mount timeout */ +static int autofs_dev_ioctl_timeout(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + unsigned long timeout; + + timeout = param->arg1; + param->arg1 = sbi->exp_timeout / HZ; + sbi->exp_timeout = timeout * HZ; + return 0; +} + +/* + * Return the uid and gid of the last request for the mount + * + * When reconstructing an autofs mount tree with active mounts + * we need to re-connect to mounts that may have used the original + * process uid and gid (or string variations of them) for mount + * lookups within the map entry. + */ +static int autofs_dev_ioctl_requester(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + struct autofs_info *ino; + struct nameidata nd; + const char *path; + dev_t devid; + int err = -ENOENT; + + if (param->size <= sizeof(*param)) { + err = -EINVAL; + goto out; + } + + path = param->path; + devid = sbi->sb->s_dev; + + param->arg1 = param->arg2 = -1; + + /* Get nameidata of the parent directory */ + err = path_lookup(path, LOOKUP_PARENT, &nd); + if (err) + goto out; + + err = autofs_dev_ioctl_find_super(&nd, devid); + if (err) + goto out_release; + + ino = autofs4_dentry_ino(nd.path.dentry); + if (ino) { + err = 0; + autofs4_expire_wait(nd.path.dentry); + spin_lock(&sbi->fs_lock); + param->arg1 = ino->uid; + param->arg2 = ino->gid; + spin_unlock(&sbi->fs_lock); + } + +out_release: + path_put(&nd.path); +out: + return err; +} + +/* + * Call repeatedly until it returns -EAGAIN, meaning there's nothing + * more that can be done. + */ +static int autofs_dev_ioctl_expire(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + struct dentry *dentry; + struct vfsmount *mnt; + int err = -EAGAIN; + int how; + + how = param->arg1; + mnt = fp->f_path.mnt; + + if (sbi->type & AUTOFS_TYPE_TRIGGER) + dentry = autofs4_expire_direct(sbi->sb, mnt, sbi, how); + else + dentry = autofs4_expire_indirect(sbi->sb, mnt, sbi, how); + + if (dentry) { + struct autofs_info *ino = autofs4_dentry_ino(dentry); + + /* + * This is synchronous because it makes the daemon a + * little easier + */ + err = autofs4_wait(sbi, dentry, NFY_EXPIRE); + + spin_lock(&sbi->fs_lock); + if (ino->flags & AUTOFS_INF_MOUNTPOINT) { + ino->flags &= ~AUTOFS_INF_MOUNTPOINT; + sbi->sb->s_root->d_mounted++; + } + ino->flags &= ~AUTOFS_INF_EXPIRING; + complete_all(&ino->expire_complete); + spin_unlock(&sbi->fs_lock); + dput(dentry); + } + + return err; +} + +/* Check if autofs mount point is in use */ +static int autofs_dev_ioctl_askumount(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + param->arg1 = 0; + if (may_umount(fp->f_path.mnt)) + param->arg1 = 1; + return 0; +} + +/* + * Check if the given path is a mountpoint. + * + * If we are supplied with the file descriptor of an autofs + * mount we're looking for a specific mount. In this case + * the path is considered a mountpoint if it is itself a + * mountpoint or contains a mount, such as a multi-mount + * without a root mount. In this case we return 1 if the + * path is a mount point and the super magic of the covering + * mount if there is one or 0 if it isn't a mountpoint. + * + * If we aren't supplied with a file descriptor then we + * lookup the nameidata of the path and check if it is the + * root of a mount. If a type is given we are looking for + * a particular autofs mount and if we don't find a match + * we return fail. If the located nameidata path is the + * root of a mount we return 1 along with the super magic + * of the mount or 0 otherwise. + * + * In both cases the the device number (as returned by + * new_encode_dev()) is also returned. + */ +static int autofs_dev_ioctl_ismountpoint(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + struct nameidata nd; + const char *path; + unsigned int type; + int err = -ENOENT; + + if (param->size <= sizeof(*param)) { + err = -EINVAL; + goto out; + } + + path = param->path; + type = param->arg1; + + param->arg1 = 0; + param->arg2 = 0; + + if (!fp || param->ioctlfd == -1) { + if (type == AUTOFS_TYPE_ANY) { + struct super_block *sb; + + err = path_lookup(path, LOOKUP_FOLLOW, &nd); + if (err) + goto out; + + sb = nd.path.dentry->d_sb; + param->arg1 = new_encode_dev(sb->s_dev); + } else { + struct autofs_info *ino; + + err = path_lookup(path, LOOKUP_PARENT, &nd); + if (err) + goto out; + + err = autofs_dev_ioctl_find_sbi_type(&nd, type); + if (err) + goto out_release; + + ino = autofs4_dentry_ino(nd.path.dentry); + param->arg1 = autofs4_get_dev(ino->sbi); + } + + err = 0; + if (nd.path.dentry->d_inode && + nd.path.mnt->mnt_root == nd.path.dentry) { + err = 1; + param->arg2 = nd.path.dentry->d_inode->i_sb->s_magic; + } + } else { + dev_t devid = new_encode_dev(sbi->sb->s_dev); + + err = path_lookup(path, LOOKUP_PARENT, &nd); + if (err) + goto out; + + err = autofs_dev_ioctl_find_super(&nd, devid); + if (err) + goto out_release; + + param->arg1 = autofs4_get_dev(sbi); + + err = have_submounts(nd.path.dentry); + + if (nd.path.mnt->mnt_mountpoint != nd.path.mnt->mnt_root) { + if (follow_down(&nd.path.mnt, &nd.path.dentry)) { + struct inode *inode = nd.path.dentry->d_inode; + param->arg2 = inode->i_sb->s_magic; + } + } + } + +out_release: + path_put(&nd.path); +out: + return err; +} + +/* + * Our range of ioctl numbers isn't 0 based so we need to shift + * the array index by _IOC_NR(AUTOFS_CTL_IOC_FIRST) for the table + * lookup. + */ +#define cmd_idx(cmd) (cmd - _IOC_NR(AUTOFS_DEV_IOCTL_IOC_FIRST)) + +static ioctl_fn lookup_dev_ioctl(unsigned int cmd) +{ + static struct { + int cmd; + ioctl_fn fn; + } _ioctls[] = { + {cmd_idx(AUTOFS_DEV_IOCTL_VERSION_CMD), NULL}, + {cmd_idx(AUTOFS_DEV_IOCTL_PROTOVER_CMD), + autofs_dev_ioctl_protover}, + {cmd_idx(AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD), + autofs_dev_ioctl_protosubver}, + {cmd_idx(AUTOFS_DEV_IOCTL_OPENMOUNT_CMD), + autofs_dev_ioctl_openmount}, + {cmd_idx(AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD), + autofs_dev_ioctl_closemount}, + {cmd_idx(AUTOFS_DEV_IOCTL_READY_CMD), + autofs_dev_ioctl_ready}, + {cmd_idx(AUTOFS_DEV_IOCTL_FAIL_CMD), + autofs_dev_ioctl_fail}, + {cmd_idx(AUTOFS_DEV_IOCTL_SETPIPEFD_CMD), + autofs_dev_ioctl_setpipefd}, + {cmd_idx(AUTOFS_DEV_IOCTL_CATATONIC_CMD), + autofs_dev_ioctl_catatonic}, + {cmd_idx(AUTOFS_DEV_IOCTL_TIMEOUT_CMD), + autofs_dev_ioctl_timeout}, + {cmd_idx(AUTOFS_DEV_IOCTL_REQUESTER_CMD), + autofs_dev_ioctl_requester}, + {cmd_idx(AUTOFS_DEV_IOCTL_EXPIRE_CMD), + autofs_dev_ioctl_expire}, + {cmd_idx(AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD), + autofs_dev_ioctl_askumount}, + {cmd_idx(AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD), + autofs_dev_ioctl_ismountpoint} + }; + unsigned int idx = cmd_idx(cmd); + + return (idx >= ARRAY_SIZE(_ioctls)) ? NULL : _ioctls[idx].fn; +} + +/* ioctl dispatcher */ +static int _autofs_dev_ioctl(unsigned int command, struct autofs_dev_ioctl __user *user) +{ + struct autofs_dev_ioctl *param; + struct file *fp; + struct autofs_sb_info *sbi; + unsigned int cmd_first, cmd; + ioctl_fn fn = NULL; + int err = 0; + + /* only root can play with this */ + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + cmd_first = _IOC_NR(AUTOFS_DEV_IOCTL_IOC_FIRST); + cmd = _IOC_NR(command); + + if (_IOC_TYPE(command) != _IOC_TYPE(AUTOFS_DEV_IOCTL_IOC_FIRST) || + cmd - cmd_first >= AUTOFS_DEV_IOCTL_IOC_COUNT) { + return -ENOTTY; + } + + /* Copy the parameters into kernel space. */ + param = copy_dev_ioctl(user); + if (IS_ERR(param)) + return PTR_ERR(param); + + err = validate_dev_ioctl(command, param); + if (err) + goto out; + + /* The validate routine above always sets the version */ + if (cmd == AUTOFS_DEV_IOCTL_VERSION_CMD) + goto done; + + fn = lookup_dev_ioctl(cmd); + if (!fn) { + AUTOFS_WARN("unknown command 0x%08x", command); + return -ENOTTY; + } + + fp = NULL; + sbi = NULL; + + /* + * For obvious reasons the openmount can't have a file + * descriptor yet. We don't take a reference to the + * file during close to allow for immediate release. + */ + if (cmd != AUTOFS_DEV_IOCTL_OPENMOUNT_CMD && + cmd != AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD) { + fp = fget(param->ioctlfd); + if (!fp) { + if (cmd == AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD) + goto cont; + err = -EBADF; + goto out; + } + + if (!fp->f_op) { + err = -ENOTTY; + fput(fp); + goto out; + } + + sbi = autofs_dev_ioctl_sbi(fp); + if (!sbi || sbi->magic != AUTOFS_SBI_MAGIC) { + err = -EINVAL; + fput(fp); + goto out; + } + + /* + * Admin needs to be able to set the mount catatonic in + * order to be able to perform the re-open. + */ + if (!autofs4_oz_mode(sbi) && + cmd != AUTOFS_DEV_IOCTL_CATATONIC_CMD) { + err = -EACCES; + fput(fp); + goto out; + } + } +cont: + err = fn(fp, sbi, param); + + if (fp) + fput(fp); +done: + if (err >= 0 && copy_to_user(user, param, AUTOFS_DEV_IOCTL_SIZE)) + err = -EFAULT; +out: + free_dev_ioctl(param); + return err; +} + +static long autofs_dev_ioctl(struct file *file, uint command, ulong u) +{ + int err; + err = _autofs_dev_ioctl(command, (struct autofs_dev_ioctl __user *) u); + return (long) err; +} + +#ifdef CONFIG_COMPAT +static long autofs_dev_ioctl_compat(struct file *file, uint command, ulong u) +{ + return (long) autofs_dev_ioctl(file, command, (ulong) compat_ptr(u)); +} +#else +#define autofs_dev_ioctl_compat NULL +#endif + +static const struct file_operations _dev_ioctl_fops = { + .unlocked_ioctl = autofs_dev_ioctl, + .compat_ioctl = autofs_dev_ioctl_compat, + .owner = THIS_MODULE, +}; + +static struct miscdevice _autofs_dev_ioctl_misc = { + .minor = MISC_DYNAMIC_MINOR, + .name = AUTOFS_DEVICE_NAME, + .fops = &_dev_ioctl_fops +}; + +/* Register/deregister misc character device */ +int autofs_dev_ioctl_init(void) +{ + int r; + + r = misc_register(&_autofs_dev_ioctl_misc); + if (r) { + AUTOFS_ERROR("misc_register failed for control device"); + return r; + } + + return 0; +} + +void autofs_dev_ioctl_exit(void) +{ + misc_deregister(&_autofs_dev_ioctl_misc); + return; +} + diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index e79dd09e12a1..cde2f8e8935a 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -244,10 +244,10 @@ cont: } /* Check if we can expire a direct mount (possibly a tree) */ -static struct dentry *autofs4_expire_direct(struct super_block *sb, - struct vfsmount *mnt, - struct autofs_sb_info *sbi, - int how) +struct dentry *autofs4_expire_direct(struct super_block *sb, + struct vfsmount *mnt, + struct autofs_sb_info *sbi, + int how) { unsigned long timeout; struct dentry *root = dget(sb->s_root); @@ -283,10 +283,10 @@ static struct dentry *autofs4_expire_direct(struct super_block *sb, * - it is unused by any user process * - it has been unused for exp_timeout time */ -static struct dentry *autofs4_expire_indirect(struct super_block *sb, - struct vfsmount *mnt, - struct autofs_sb_info *sbi, - int how) +struct dentry *autofs4_expire_indirect(struct super_block *sb, + struct vfsmount *mnt, + struct autofs_sb_info *sbi, + int how) { unsigned long timeout; struct dentry *root = sb->s_root; diff --git a/fs/autofs4/init.c b/fs/autofs4/init.c index 723a1c5e361b..9722e4bd8957 100644 --- a/fs/autofs4/init.c +++ b/fs/autofs4/init.c @@ -29,11 +29,20 @@ static struct file_system_type autofs_fs_type = { static int __init init_autofs4_fs(void) { - return register_filesystem(&autofs_fs_type); + int err; + + err = register_filesystem(&autofs_fs_type); + if (err) + return err; + + autofs_dev_ioctl_init(); + + return err; } static void __exit exit_autofs4_fs(void) { + autofs_dev_ioctl_exit(); unregister_filesystem(&autofs_fs_type); } diff --git a/include/linux/auto_dev-ioctl.h b/include/linux/auto_dev-ioctl.h new file mode 100644 index 000000000000..f4d05ccd731f --- /dev/null +++ b/include/linux/auto_dev-ioctl.h @@ -0,0 +1,157 @@ +/* + * Copyright 2008 Red Hat, Inc. All rights reserved. + * Copyright 2008 Ian Kent + * + * This file is part of the Linux kernel and is made available under + * the terms of the GNU General Public License, version 2, or at your + * option, any later version, incorporated herein by reference. + */ + +#ifndef _LINUX_AUTO_DEV_IOCTL_H +#define _LINUX_AUTO_DEV_IOCTL_H + +#include + +#define AUTOFS_DEVICE_NAME "autofs" + +#define AUTOFS_DEV_IOCTL_VERSION_MAJOR 1 +#define AUTOFS_DEV_IOCTL_VERSION_MINOR 0 + +#define AUTOFS_DEVID_LEN 16 + +#define AUTOFS_DEV_IOCTL_SIZE sizeof(struct autofs_dev_ioctl) + +/* + * An ioctl interface for autofs mount point control. + */ + +/* + * All the ioctls use this structure. + * When sending a path size must account for the total length + * of the chunk of memory otherwise is is the size of the + * structure. + */ + +struct autofs_dev_ioctl { + __u32 ver_major; + __u32 ver_minor; + __u32 size; /* total size of data passed in + * including this struct */ + __s32 ioctlfd; /* automount command fd */ + + __u32 arg1; /* Command parameters */ + __u32 arg2; + + char path[0]; +}; + +static inline void init_autofs_dev_ioctl(struct autofs_dev_ioctl *in) +{ + in->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR; + in->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR; + in->size = sizeof(struct autofs_dev_ioctl); + in->ioctlfd = -1; + in->arg1 = 0; + in->arg2 = 0; + return; +} + +/* + * If you change this make sure you make the corresponding change + * to autofs-dev-ioctl.c:lookup_ioctl() + */ +enum { + /* Get various version info */ + AUTOFS_DEV_IOCTL_VERSION_CMD = 0x71, + AUTOFS_DEV_IOCTL_PROTOVER_CMD, + AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD, + + /* Open mount ioctl fd */ + AUTOFS_DEV_IOCTL_OPENMOUNT_CMD, + + /* Close mount ioctl fd */ + AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD, + + /* Mount/expire status returns */ + AUTOFS_DEV_IOCTL_READY_CMD, + AUTOFS_DEV_IOCTL_FAIL_CMD, + + /* Activate/deactivate autofs mount */ + AUTOFS_DEV_IOCTL_SETPIPEFD_CMD, + AUTOFS_DEV_IOCTL_CATATONIC_CMD, + + /* Expiry timeout */ + AUTOFS_DEV_IOCTL_TIMEOUT_CMD, + + /* Get mount last requesting uid and gid */ + AUTOFS_DEV_IOCTL_REQUESTER_CMD, + + /* Check for eligible expire candidates */ + AUTOFS_DEV_IOCTL_EXPIRE_CMD, + + /* Request busy status */ + AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD, + + /* Check if path is a mountpoint */ + AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD, +}; + +#define AUTOFS_IOCTL 0x93 + +#define AUTOFS_DEV_IOCTL_VERSION \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_VERSION_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_PROTOVER \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_PROTOVER_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_PROTOSUBVER \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_OPENMOUNT \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_OPENMOUNT_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_CLOSEMOUNT \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_READY \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_READY_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_FAIL \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_FAIL_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_SETPIPEFD \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_SETPIPEFD_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_CATATONIC \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_CATATONIC_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_TIMEOUT \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_TIMEOUT_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_REQUESTER \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_REQUESTER_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_EXPIRE \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_EXPIRE_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_ASKUMOUNT \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD, struct autofs_dev_ioctl) + +#define AUTOFS_DEV_IOCTL_ISMOUNTPOINT \ + _IOWR(AUTOFS_IOCTL, \ + AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD, struct autofs_dev_ioctl) + +#endif /* _LINUX_AUTO_DEV_IOCTL_H */ diff --git a/include/linux/auto_fs4.h b/include/linux/auto_fs4.h index aa96a04ae023..2253716d4b92 100644 --- a/include/linux/auto_fs4.h +++ b/include/linux/auto_fs4.h @@ -23,7 +23,7 @@ #define AUTOFS_MIN_PROTO_VERSION 3 #define AUTOFS_MAX_PROTO_VERSION 5 -#define AUTOFS_PROTO_SUBVERSION 0 +#define AUTOFS_PROTO_SUBVERSION 1 /* Mask for expire behaviour */ #define AUTOFS_EXP_IMMEDIATE 1 -- GitLab From 5d5b4d74f9ae85bbd558a708678b6927f962e75d Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 15 Oct 2008 22:02:55 -0700 Subject: [PATCH 5422/6244] rtc-pcf8563: remove client validation Validating clients with black magic register checks doesn't make much sense for new-style i2c driver and has been known to fail on valid NXP pcf8563 chips. This patch removes the client validation code. Signed-off-by: Laurent Pinchart Signed-off-by: Alessandro Zummo Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-pcf8563.c | 58 --------------------------------------- 1 file changed, 58 deletions(-) diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 748a502a6355..a829f20ad6d6 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -179,58 +179,6 @@ struct pcf8563_limit unsigned char max; }; -static int pcf8563_validate_client(struct i2c_client *client) -{ - int i; - - static const struct pcf8563_limit pattern[] = { - /* register, mask, min, max */ - { PCF8563_REG_SC, 0x7F, 0, 59 }, - { PCF8563_REG_MN, 0x7F, 0, 59 }, - { PCF8563_REG_HR, 0x3F, 0, 23 }, - { PCF8563_REG_DM, 0x3F, 0, 31 }, - { PCF8563_REG_MO, 0x1F, 0, 12 }, - }; - - /* check limits (only registers with bcd values) */ - for (i = 0; i < ARRAY_SIZE(pattern); i++) { - int xfer; - unsigned char value; - unsigned char buf = pattern[i].reg; - - struct i2c_msg msgs[] = { - { client->addr, 0, 1, &buf }, - { client->addr, I2C_M_RD, 1, &buf }, - }; - - xfer = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); - - if (xfer != ARRAY_SIZE(msgs)) { - dev_err(&client->dev, - "%s: could not read register 0x%02X\n", - __func__, pattern[i].reg); - - return -EIO; - } - - value = BCD2BIN(buf & pattern[i].mask); - - if (value > pattern[i].max || - value < pattern[i].min) { - dev_dbg(&client->dev, - "%s: pattern=%d, reg=%x, mask=0x%02x, min=%d, " - "max=%d, value=%d, raw=0x%02X\n", - __func__, i, pattern[i].reg, pattern[i].mask, - pattern[i].min, pattern[i].max, - value, buf); - - return -ENODEV; - } - } - - return 0; -} - static int pcf8563_rtc_read_time(struct device *dev, struct rtc_time *tm) { return pcf8563_get_datetime(to_i2c_client(dev), tm); @@ -262,12 +210,6 @@ static int pcf8563_probe(struct i2c_client *client, if (!pcf8563) return -ENOMEM; - /* Verify the chip is really an PCF8563 */ - if (pcf8563_validate_client(client) < 0) { - err = -ENODEV; - goto exit_kfree; - } - dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); pcf8563->rtc = rtc_device_register(pcf8563_driver.driver.name, -- GitLab From 986e36a5b817de01733d46aa623406106d661cec Mon Sep 17 00:00:00 2001 From: Marc Pignat Date: Wed, 15 Oct 2008 22:02:56 -0700 Subject: [PATCH 5423/6244] rtc: DS1374 wakeup support Wakeup support implementation. Signed-off-by: Marc Pignat Cc: David Brownell Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ds1374.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index a150418fba76..a5b0fc09f0c6 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -429,12 +429,33 @@ static int __devexit ds1374_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM +static int ds1374_suspend(struct i2c_client *client, pm_message_t state) +{ + if (client->irq >= 0 && device_may_wakeup(&client->dev)) + enable_irq_wake(client->irq); + return 0; +} + +static int ds1374_resume(struct i2c_client *client) +{ + if (client->irq >= 0 && device_may_wakeup(&client->dev)) + disable_irq_wake(client->irq); + return 0; +} +#else +#define ds1374_suspend NULL +#define ds1374_resume NULL +#endif + static struct i2c_driver ds1374_driver = { .driver = { .name = "rtc-ds1374", .owner = THIS_MODULE, }, .probe = ds1374_probe, + .suspend = ds1374_suspend, + .resume = ds1374_resume, .remove = __devexit_p(ds1374_remove), .id_table = ds1374_id, }; -- GitLab From 2f9b75e09ec3f62f2ebecec0ac9aec58656c2459 Mon Sep 17 00:00:00 2001 From: Dennis Aberilla Date: Wed, 15 Oct 2008 22:02:57 -0700 Subject: [PATCH 5424/6244] rtc: add device driver for Dallas DS3234 SPI RTC chip Add support for the Dallas DS3234 chip - extremely accurate SPI bus RTC with integrated crystal and SRAM. [akpm@linux-foundation.org: don't use BIN2BCD/BCD2BIN] Signed-off-by: Dennis Aberilla Signed-off-by: Alessandro Zummo Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/Kconfig | 9 ++ drivers/rtc/Makefile | 1 + drivers/rtc/rtc-ds3234.c | 290 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 300 insertions(+) create mode 100644 drivers/rtc/rtc-ds3234.c diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index f3d7fd3406a6..16bc33cbadf5 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -319,6 +319,15 @@ config RTC_DRV_RS5C348 This driver can also be built as a module. If so, the module will be called rtc-rs5c348. +config RTC_DRV_DS3234 + tristate "Maxim/Dallas DS3234" + help + If you say yes here you get support for the + Maxim/Dallas DS3234 SPI RTC chip. + + This driver can also be built as a module. If so, the module + will be called rtc-ds3234. + endif # SPI_MASTER comment "Platform RTC drivers" diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 37a71b727262..d05928b3ca94 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_RTC_DRV_DS1511) += rtc-ds1511.o obj-$(CONFIG_RTC_DRV_DS1553) += rtc-ds1553.o obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o obj-$(CONFIG_RTC_DRV_DS1742) += rtc-ds1742.o +obj-$(CONFIG_RTC_DRV_DS3234) += rtc-ds3234.o obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o diff --git a/drivers/rtc/rtc-ds3234.c b/drivers/rtc/rtc-ds3234.c new file mode 100644 index 000000000000..37d131d03f33 --- /dev/null +++ b/drivers/rtc/rtc-ds3234.c @@ -0,0 +1,290 @@ +/* drivers/rtc/rtc-ds3234.c + * + * Driver for Dallas Semiconductor (DS3234) SPI RTC with Integrated Crystal + * and SRAM. + * + * Copyright (C) 2008 MIMOMax Wireless Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * + * 07-May-2008: Dennis Aberilla + * - Created based on the max6902 code. Only implements the + * date/time keeping functions; no SRAM yet. + */ + +#include +#include +#include +#include +#include + +#define DS3234_REG_SECONDS 0x00 +#define DS3234_REG_MINUTES 0x01 +#define DS3234_REG_HOURS 0x02 +#define DS3234_REG_DAY 0x03 +#define DS3234_REG_DATE 0x04 +#define DS3234_REG_MONTH 0x05 +#define DS3234_REG_YEAR 0x06 +#define DS3234_REG_CENTURY (1 << 7) /* Bit 7 of the Month register */ + +#define DS3234_REG_CONTROL 0x0E +#define DS3234_REG_CONT_STAT 0x0F + +#undef DS3234_DEBUG + +struct ds3234 { + struct rtc_device *rtc; + u8 buf[8]; /* Burst read: addr + 7 regs */ + u8 tx_buf[2]; + u8 rx_buf[2]; +}; + +static void ds3234_set_reg(struct device *dev, unsigned char address, + unsigned char data) +{ + struct spi_device *spi = to_spi_device(dev); + unsigned char buf[2]; + + /* MSB must be '1' to indicate write */ + buf[0] = address | 0x80; + buf[1] = data; + + spi_write(spi, buf, 2); +} + +static int ds3234_get_reg(struct device *dev, unsigned char address, + unsigned char *data) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds3234 *chip = dev_get_drvdata(dev); + struct spi_message message; + struct spi_transfer xfer; + int status; + + if (!data) + return -EINVAL; + + /* Build our spi message */ + spi_message_init(&message); + memset(&xfer, 0, sizeof(xfer)); + + /* Address + dummy tx byte */ + xfer.len = 2; + xfer.tx_buf = chip->tx_buf; + xfer.rx_buf = chip->rx_buf; + + chip->tx_buf[0] = address; + chip->tx_buf[1] = 0xff; + + spi_message_add_tail(&xfer, &message); + + /* do the i/o */ + status = spi_sync(spi, &message); + if (status == 0) + status = message.status; + else + return status; + + *data = chip->rx_buf[1]; + + return status; +} + +static int ds3234_get_datetime(struct device *dev, struct rtc_time *dt) +{ + struct spi_device *spi = to_spi_device(dev); + struct ds3234 *chip = dev_get_drvdata(dev); + struct spi_message message; + struct spi_transfer xfer; + int status; + + /* build the message */ + spi_message_init(&message); + memset(&xfer, 0, sizeof(xfer)); + xfer.len = 1 + 7; /* Addr + 7 registers */ + xfer.tx_buf = chip->buf; + xfer.rx_buf = chip->buf; + chip->buf[0] = 0x00; /* Start address */ + spi_message_add_tail(&xfer, &message); + + /* do the i/o */ + status = spi_sync(spi, &message); + if (status == 0) + status = message.status; + else + return status; + + /* Seconds, Minutes, Hours, Day, Date, Month, Year */ + dt->tm_sec = bcd2bin(chip->buf[1]); + dt->tm_min = bcd2bin(chip->buf[2]); + dt->tm_hour = bcd2bin(chip->buf[3] & 0x3f); + dt->tm_wday = bcd2bin(chip->buf[4]) - 1; /* 0 = Sun */ + dt->tm_mday = bcd2bin(chip->buf[5]); + dt->tm_mon = bcd2bin(chip->buf[6] & 0x1f) - 1; /* 0 = Jan */ + dt->tm_year = bcd2bin(chip->buf[7] & 0xff) + 100; /* Assume 20YY */ + +#ifdef DS3234_DEBUG + dev_dbg(dev, "\n%s : Read RTC values\n", __func__); + dev_dbg(dev, "tm_hour: %i\n", dt->tm_hour); + dev_dbg(dev, "tm_min : %i\n", dt->tm_min); + dev_dbg(dev, "tm_sec : %i\n", dt->tm_sec); + dev_dbg(dev, "tm_wday: %i\n", dt->tm_wday); + dev_dbg(dev, "tm_mday: %i\n", dt->tm_mday); + dev_dbg(dev, "tm_mon : %i\n", dt->tm_mon); + dev_dbg(dev, "tm_year: %i\n", dt->tm_year); +#endif + + return 0; +} + +static int ds3234_set_datetime(struct device *dev, struct rtc_time *dt) +{ +#ifdef DS3234_DEBUG + dev_dbg(dev, "\n%s : Setting RTC values\n", __func__); + dev_dbg(dev, "tm_sec : %i\n", dt->tm_sec); + dev_dbg(dev, "tm_min : %i\n", dt->tm_min); + dev_dbg(dev, "tm_hour: %i\n", dt->tm_hour); + dev_dbg(dev, "tm_wday: %i\n", dt->tm_wday); + dev_dbg(dev, "tm_mday: %i\n", dt->tm_mday); + dev_dbg(dev, "tm_mon : %i\n", dt->tm_mon); + dev_dbg(dev, "tm_year: %i\n", dt->tm_year); +#endif + + ds3234_set_reg(dev, DS3234_REG_SECONDS, bin2bcd(dt->tm_sec)); + ds3234_set_reg(dev, DS3234_REG_MINUTES, bin2bcd(dt->tm_min)); + ds3234_set_reg(dev, DS3234_REG_HOURS, bin2bcd(dt->tm_hour) & 0x3f); + + /* 0 = Sun */ + ds3234_set_reg(dev, DS3234_REG_DAY, bin2bcd(dt->tm_wday + 1)); + ds3234_set_reg(dev, DS3234_REG_DATE, bin2bcd(dt->tm_mday)); + + /* 0 = Jan */ + ds3234_set_reg(dev, DS3234_REG_MONTH, bin2bcd(dt->tm_mon + 1)); + + /* Assume 20YY although we just want to make sure not to go negative. */ + if (dt->tm_year > 100) + dt->tm_year -= 100; + + ds3234_set_reg(dev, DS3234_REG_YEAR, bin2bcd(dt->tm_year)); + + return 0; +} + +static int ds3234_read_time(struct device *dev, struct rtc_time *tm) +{ + return ds3234_get_datetime(dev, tm); +} + +static int ds3234_set_time(struct device *dev, struct rtc_time *tm) +{ + return ds3234_set_datetime(dev, tm); +} + +static const struct rtc_class_ops ds3234_rtc_ops = { + .read_time = ds3234_read_time, + .set_time = ds3234_set_time, +}; + +static int ds3234_probe(struct spi_device *spi) +{ + struct rtc_device *rtc; + unsigned char tmp; + struct ds3234 *chip; + int res; + + rtc = rtc_device_register("ds3234", + &spi->dev, &ds3234_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + spi->mode = SPI_MODE_3; + spi->bits_per_word = 8; + spi_setup(spi); + + chip = kzalloc(sizeof(struct ds3234), GFP_KERNEL); + if (!chip) { + rtc_device_unregister(rtc); + return -ENOMEM; + } + chip->rtc = rtc; + dev_set_drvdata(&spi->dev, chip); + + res = ds3234_get_reg(&spi->dev, DS3234_REG_SECONDS, &tmp); + if (res) { + rtc_device_unregister(rtc); + return res; + } + + /* Control settings + * + * CONTROL_REG + * BIT 7 6 5 4 3 2 1 0 + * EOSC BBSQW CONV RS2 RS1 INTCN A2IE A1IE + * + * 0 0 0 1 1 1 0 0 + * + * CONTROL_STAT_REG + * BIT 7 6 5 4 3 2 1 0 + * OSF BB32kHz CRATE1 CRATE0 EN32kHz BSY A2F A1F + * + * 1 0 0 0 1 0 0 0 + */ + ds3234_get_reg(&spi->dev, DS3234_REG_CONTROL, &tmp); + ds3234_set_reg(&spi->dev, DS3234_REG_CONTROL, tmp & 0x1c); + + ds3234_get_reg(&spi->dev, DS3234_REG_CONT_STAT, &tmp); + ds3234_set_reg(&spi->dev, DS3234_REG_CONT_STAT, tmp & 0x88); + + /* Print our settings */ + ds3234_get_reg(&spi->dev, DS3234_REG_CONTROL, &tmp); + dev_info(&spi->dev, "Control Reg: 0x%02x\n", tmp); + + ds3234_get_reg(&spi->dev, DS3234_REG_CONT_STAT, &tmp); + dev_info(&spi->dev, "Ctrl/Stat Reg: 0x%02x\n", tmp); + + return 0; +} + +static int __exit ds3234_remove(struct spi_device *spi) +{ + struct ds3234 *chip = platform_get_drvdata(spi); + struct rtc_device *rtc = chip->rtc; + + if (rtc) + rtc_device_unregister(rtc); + + kfree(chip); + + return 0; +} + +static struct spi_driver ds3234_driver = { + .driver = { + .name = "ds3234", + .bus = &spi_bus_type, + .owner = THIS_MODULE, + }, + .probe = ds3234_probe, + .remove = __devexit_p(ds3234_remove), +}; + +static __init int ds3234_init(void) +{ + printk(KERN_INFO "DS3234 SPI RTC Driver\n"); + return spi_register_driver(&ds3234_driver); +} +module_init(ds3234_init); + +static __exit void ds3234_exit(void) +{ + spi_unregister_driver(&ds3234_driver); +} +module_exit(ds3234_exit); + +MODULE_DESCRIPTION("DS3234 SPI RTC driver"); +MODULE_AUTHOR("Dennis Aberilla "); +MODULE_LICENSE("GPL"); -- GitLab From cb49a5e9ee4fb0ab6a84a29c4de6c1bd112d38df Mon Sep 17 00:00:00 2001 From: Rodolfo Giometti Date: Wed, 15 Oct 2008 22:02:58 -0700 Subject: [PATCH 5425/6244] rtc-ds1307: alarm support for ds1337/ds1339 Update the ds1307 driver with alarm support for ds1337/ds1339. This uses the first alarm (there are two), and matches on seconds, minutes, hours, and day-of-month. Tested on ds1339. [dbrownell@users.sourceforge.net: add comments; fixup style, valid irq checks, debug dumps; lock; more careful IRQ shutdown; switch BCD2BIN to bcd2bin (and vice versa); ENOTTY not EINVAL.] Signed-off-by: David Brownell Signed-off-by: Rodolfo Giometti Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ds1307.c | 308 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 295 insertions(+), 13 deletions(-) diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index bbf97e65202a..4fcf0734a6ef 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -23,10 +23,6 @@ * to have set the chip up as a clock (turning on the oscillator and * setting the date and time), Linux can ignore the non-clock features. * That's a natural job for a factory or repair bench. - * - * This is currently a simple no-alarms driver. If your board has the - * alarm irq wired up on a ds1337 or ds1339, and you want to use that, - * then look at the rtc-rs5c372 driver for code to steal... */ enum ds_type { ds_1307, @@ -67,6 +63,7 @@ enum ds_type { # define DS1307_BIT_RS0 0x01 #define DS1337_REG_CONTROL 0x0e # define DS1337_BIT_nEOSC 0x80 +# define DS1339_BIT_BBSQI 0x20 # define DS1337_BIT_RS2 0x10 # define DS1337_BIT_RS1 0x08 # define DS1337_BIT_INTCN 0x04 @@ -83,19 +80,22 @@ enum ds_type { # define DS1337_BIT_OSF 0x80 # define DS1337_BIT_A2I 0x02 # define DS1337_BIT_A1I 0x01 +#define DS1339_REG_ALARM1_SECS 0x07 #define DS1339_REG_TRICKLE 0x10 struct ds1307 { u8 reg_addr; - bool has_nvram; - u8 regs[8]; + u8 regs[11]; enum ds_type type; + unsigned long flags; +#define HAS_NVRAM 0 /* bit 0 == sysfs file active */ +#define HAS_ALARM 1 /* bit 1 == irq claimed */ struct i2c_msg msg[2]; struct i2c_client *client; - struct i2c_client dev; struct rtc_device *rtc; + struct work_struct work; }; struct chip_desc { @@ -132,12 +132,79 @@ static const struct i2c_device_id ds1307_id[] = { }; MODULE_DEVICE_TABLE(i2c, ds1307_id); +/*----------------------------------------------------------------------*/ + +/* + * The IRQ logic includes a "real" handler running in IRQ context just + * long enough to schedule this workqueue entry. We need a task context + * to talk to the RTC, since I2C I/O calls require that; and disable the + * IRQ until we clear its status on the chip, so that this handler can + * work with any type of triggering (not just falling edge). + * + * The ds1337 and ds1339 both have two alarms, but we only use the first + * one (with a "seconds" field). For ds1337 we expect nINTA is our alarm + * signal; ds1339 chips have only one alarm signal. + */ +static void ds1307_work(struct work_struct *work) +{ + struct ds1307 *ds1307; + struct i2c_client *client; + struct mutex *lock; + int stat, control; + + ds1307 = container_of(work, struct ds1307, work); + client = ds1307->client; + lock = &ds1307->rtc->ops_lock; + + mutex_lock(lock); + stat = i2c_smbus_read_byte_data(client, DS1337_REG_STATUS); + if (stat < 0) + goto out; + + if (stat & DS1337_BIT_A1I) { + stat &= ~DS1337_BIT_A1I; + i2c_smbus_write_byte_data(client, DS1337_REG_STATUS, stat); + + control = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); + if (control < 0) + goto out; + + control &= ~DS1337_BIT_A1IE; + i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, control); + + /* rtc_update_irq() assumes that it is called + * from IRQ-disabled context. + */ + local_irq_disable(); + rtc_update_irq(ds1307->rtc, 1, RTC_AF | RTC_IRQF); + local_irq_enable(); + } + +out: + if (test_bit(HAS_ALARM, &ds1307->flags)) + enable_irq(client->irq); + mutex_unlock(lock); +} + +static irqreturn_t ds1307_irq(int irq, void *dev_id) +{ + struct i2c_client *client = dev_id; + struct ds1307 *ds1307 = i2c_get_clientdata(client); + + disable_irq_nosync(irq); + schedule_work(&ds1307->work); + return IRQ_HANDLED; +} + +/*----------------------------------------------------------------------*/ + static int ds1307_get_time(struct device *dev, struct rtc_time *t) { struct ds1307 *ds1307 = dev_get_drvdata(dev); int tmp; /* read the RTC date and time registers all at once */ + ds1307->reg_addr = 0; ds1307->msg[1].flags = I2C_M_RD; ds1307->msg[1].len = 7; @@ -231,9 +298,186 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t) return 0; } +static int ds1307_read_alarm(struct device *dev, struct rtc_wkalrm *t) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ds1307 *ds1307 = i2c_get_clientdata(client); + int ret; + + if (!test_bit(HAS_ALARM, &ds1307->flags)) + return -EINVAL; + + /* read all ALARM1, ALARM2, and status registers at once */ + ds1307->reg_addr = DS1339_REG_ALARM1_SECS; + ds1307->msg[1].flags = I2C_M_RD; + ds1307->msg[1].len = 9; + + ret = i2c_transfer(to_i2c_adapter(client->dev.parent), + ds1307->msg, 2); + if (ret != 2) { + dev_err(dev, "%s error %d\n", "alarm read", ret); + return -EIO; + } + + dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n", + "alarm read", + ds1307->regs[0], ds1307->regs[1], + ds1307->regs[2], ds1307->regs[3], + ds1307->regs[4], ds1307->regs[5], + ds1307->regs[6], ds1307->regs[7], + ds1307->regs[8]); + + /* report alarm time (ALARM1); assume 24 hour and day-of-month modes, + * and that all four fields are checked matches + */ + t->time.tm_sec = bcd2bin(ds1307->regs[0] & 0x7f); + t->time.tm_min = bcd2bin(ds1307->regs[1] & 0x7f); + t->time.tm_hour = bcd2bin(ds1307->regs[2] & 0x3f); + t->time.tm_mday = bcd2bin(ds1307->regs[3] & 0x3f); + t->time.tm_mon = -1; + t->time.tm_year = -1; + t->time.tm_wday = -1; + t->time.tm_yday = -1; + t->time.tm_isdst = -1; + + /* ... and status */ + t->enabled = !!(ds1307->regs[7] & DS1337_BIT_A1IE); + t->pending = !!(ds1307->regs[8] & DS1337_BIT_A1I); + + dev_dbg(dev, "%s secs=%d, mins=%d, " + "hours=%d, mday=%d, enabled=%d, pending=%d\n", + "alarm read", t->time.tm_sec, t->time.tm_min, + t->time.tm_hour, t->time.tm_mday, + t->enabled, t->pending); + + return 0; +} + +static int ds1307_set_alarm(struct device *dev, struct rtc_wkalrm *t) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ds1307 *ds1307 = i2c_get_clientdata(client); + unsigned char *buf = ds1307->regs; + u8 control, status; + int ret; + + if (!test_bit(HAS_ALARM, &ds1307->flags)) + return -EINVAL; + + dev_dbg(dev, "%s secs=%d, mins=%d, " + "hours=%d, mday=%d, enabled=%d, pending=%d\n", + "alarm set", t->time.tm_sec, t->time.tm_min, + t->time.tm_hour, t->time.tm_mday, + t->enabled, t->pending); + + /* read current status of both alarms and the chip */ + ds1307->reg_addr = DS1339_REG_ALARM1_SECS; + ds1307->msg[1].flags = I2C_M_RD; + ds1307->msg[1].len = 9; + + ret = i2c_transfer(to_i2c_adapter(client->dev.parent), + ds1307->msg, 2); + if (ret != 2) { + dev_err(dev, "%s error %d\n", "alarm write", ret); + return -EIO; + } + control = ds1307->regs[7]; + status = ds1307->regs[8]; + + dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n", + "alarm set (old status)", + ds1307->regs[0], ds1307->regs[1], + ds1307->regs[2], ds1307->regs[3], + ds1307->regs[4], ds1307->regs[5], + ds1307->regs[6], control, status); + + /* set ALARM1, using 24 hour and day-of-month modes */ + *buf++ = DS1339_REG_ALARM1_SECS; /* first register addr */ + buf[0] = bin2bcd(t->time.tm_sec); + buf[1] = bin2bcd(t->time.tm_min); + buf[2] = bin2bcd(t->time.tm_hour); + buf[3] = bin2bcd(t->time.tm_mday); + + /* set ALARM2 to non-garbage */ + buf[4] = 0; + buf[5] = 0; + buf[6] = 0; + + /* optionally enable ALARM1 */ + buf[7] = control & ~(DS1337_BIT_A1IE | DS1337_BIT_A2IE); + if (t->enabled) { + dev_dbg(dev, "alarm IRQ armed\n"); + buf[7] |= DS1337_BIT_A1IE; /* only ALARM1 is used */ + } + buf[8] = status & ~(DS1337_BIT_A1I | DS1337_BIT_A2I); + + ds1307->msg[1].flags = 0; + ds1307->msg[1].len = 10; + + ret = i2c_transfer(to_i2c_adapter(client->dev.parent), + &ds1307->msg[1], 1); + if (ret != 1) { + dev_err(dev, "can't set alarm time\n"); + return -EIO; + } + + return 0; +} + +static int ds1307_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) +{ + struct i2c_client *client = to_i2c_client(dev); + struct ds1307 *ds1307 = i2c_get_clientdata(client); + int ret; + + switch (cmd) { + case RTC_AIE_OFF: + if (!test_bit(HAS_ALARM, &ds1307->flags)) + return -ENOTTY; + + ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); + if (ret < 0) + return ret; + + ret &= ~DS1337_BIT_A1IE; + + ret = i2c_smbus_write_byte_data(client, + DS1337_REG_CONTROL, ret); + if (ret < 0) + return ret; + + break; + + case RTC_AIE_ON: + if (!test_bit(HAS_ALARM, &ds1307->flags)) + return -ENOTTY; + + ret = i2c_smbus_read_byte_data(client, DS1337_REG_CONTROL); + if (ret < 0) + return ret; + + ret |= DS1337_BIT_A1IE; + + ret = i2c_smbus_write_byte_data(client, + DS1337_REG_CONTROL, ret); + if (ret < 0) + return ret; + + break; + + default: + return -ENOIOCTLCMD; + } + + return 0; +} + static const struct rtc_class_ops ds13xx_rtc_ops = { .read_time = ds1307_get_time, .set_time = ds1307_set_time, + .read_alarm = ds1307_read_alarm, + .set_alarm = ds1307_set_alarm, + .ioctl = ds1307_ioctl, }; /*----------------------------------------------------------------------*/ @@ -327,6 +571,7 @@ static int __devinit ds1307_probe(struct i2c_client *client, int tmp; const struct chip_desc *chip = &chips[id->driver_data]; struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); + int want_irq = false; if (!i2c_check_functionality(adapter, I2C_FUNC_I2C | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) @@ -353,6 +598,12 @@ static int __devinit ds1307_probe(struct i2c_client *client, switch (ds1307->type) { case ds_1337: case ds_1339: + /* has IRQ? */ + if (ds1307->client->irq > 0 && chip->alarm) { + INIT_WORK(&ds1307->work, ds1307_work); + want_irq = true; + } + ds1307->reg_addr = DS1337_REG_CONTROL; ds1307->msg[1].len = 2; @@ -369,8 +620,20 @@ static int __devinit ds1307_probe(struct i2c_client *client, /* oscillator off? turn it on, so clock can tick. */ if (ds1307->regs[0] & DS1337_BIT_nEOSC) - i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, - ds1307->regs[0] & ~DS1337_BIT_nEOSC); + ds1307->regs[0] &= ~DS1337_BIT_nEOSC; + + /* Using IRQ? Disable the square wave and both alarms. + * For ds1339, be sure alarms can trigger when we're + * running on Vbackup (BBSQI); we assume ds1337 will + * ignore that bit + */ + if (want_irq) { + ds1307->regs[0] |= DS1337_BIT_INTCN | DS1339_BIT_BBSQI; + ds1307->regs[0] &= ~(DS1337_BIT_A2IE | DS1337_BIT_A1IE); + } + + i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, + ds1307->regs[0]); /* oscillator fault? clear flag, and warn */ if (ds1307->regs[1] & DS1337_BIT_OSF) { @@ -495,10 +758,22 @@ read_rtc: goto exit_free; } + if (want_irq) { + err = request_irq(client->irq, ds1307_irq, 0, + ds1307->rtc->name, client); + if (err) { + dev_err(&client->dev, + "unable to request IRQ!\n"); + goto exit_irq; + } + set_bit(HAS_ALARM, &ds1307->flags); + dev_dbg(&client->dev, "got IRQ %d\n", client->irq); + } + if (chip->nvram56) { err = sysfs_create_bin_file(&client->dev.kobj, &nvram); if (err == 0) { - ds1307->has_nvram = true; + set_bit(HAS_NVRAM, &ds1307->flags); dev_info(&client->dev, "56 bytes nvram\n"); } } @@ -512,7 +787,9 @@ exit_bad: ds1307->regs[2], ds1307->regs[3], ds1307->regs[4], ds1307->regs[5], ds1307->regs[6]); - +exit_irq: + if (ds1307->rtc) + rtc_device_unregister(ds1307->rtc); exit_free: kfree(ds1307); return err; @@ -520,9 +797,14 @@ exit_free: static int __devexit ds1307_remove(struct i2c_client *client) { - struct ds1307 *ds1307 = i2c_get_clientdata(client); + struct ds1307 *ds1307 = i2c_get_clientdata(client); + + if (test_and_clear_bit(HAS_ALARM, &ds1307->flags)) { + free_irq(client->irq, client); + cancel_work_sync(&ds1307->work); + } - if (ds1307->has_nvram) + if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags)) sysfs_remove_bin_file(&client->dev.kobj, &nvram); rtc_device_unregister(ds1307->rtc); -- GitLab From f841a487d4dff35386e989768ec03a86a376bfde Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:02:59 -0700 Subject: [PATCH 5426/6244] rtc: remove some NOP open/release methods Remove NOP methods from rtc-pl030 and rtc-pl031 drivers; this is pure wasted code. Signed-off-by: David Brownell Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-pl030.c | 11 ----------- drivers/rtc/rtc-pl031.c | 14 -------------- 2 files changed, 25 deletions(-) diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 8448eeb9d675..826153552157 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -34,15 +34,6 @@ static irqreturn_t pl030_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static int pl030_open(struct device *dev) -{ - return 0; -} - -static void pl030_release(struct device *dev) -{ -} - static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { return -ENOIOCTLCMD; @@ -104,8 +95,6 @@ static int pl030_set_time(struct device *dev, struct rtc_time *tm) } static const struct rtc_class_ops pl030_ops = { - .open = pl030_open, - .release = pl030_release, .ioctl = pl030_ioctl, .read_time = pl030_read_time, .set_time = pl030_set_time, diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 08b4610ec5a6..333eec689d2f 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -45,18 +45,6 @@ static irqreturn_t pl031_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static int pl031_open(struct device *dev) -{ - /* - * We request IRQ in pl031_probe, so nothing to do here... - */ - return 0; -} - -static void pl031_release(struct device *dev) -{ -} - static int pl031_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { struct pl031_local *ldata = dev_get_drvdata(dev); @@ -118,8 +106,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) } static const struct rtc_class_ops pl031_ops = { - .open = pl031_open, - .release = pl031_release, .ioctl = pl031_ioctl, .read_time = pl031_read_time, .set_time = pl031_set_time, -- GitLab From 0f4d3fd8ac76122675de900d67a470306647374b Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:00 -0700 Subject: [PATCH 5427/6244] legacy rtc: remove needless/confusing HPET_RTC_IRQ option HPET_RTC_IRQ is no longer needed; HPET_EMULATE_RTC suffices and is more correct. (http://bugzilla.kernel.org/show_bug.cgi?id=11111) Note that when using the legacy RTC driver, platforms don't really do a dynamic switch between HPET and non-HPET modes based on whether HPET hardware actually exists ... only rtc-cmos (using the new RTC framework) currently switches that way. So this reflects bitrot in that legacy code, for x86/ia64: kernels with HPET support configured (e.g. for a clocksource) can't get IRQs from the legacy RTC driver unless they really have HPET hardware. (The obvious workaround is to not use the legacy RTC driver on those platforms when you configure HPET ... unless you know the target really has a HPET.) Signed-off-by: David Brownell Cc: Alessandro Zummo Cc: Ingo Molnar Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/Kconfig | 9 --------- drivers/char/rtc.c | 2 +- 2 files changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 700ff9679457..122254155ae1 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -1043,15 +1043,6 @@ config HPET open selects one of the timers supported by the HPET. The timers are non-periodic and/or periodic. -config HPET_RTC_IRQ - bool - default HPET_EMULATE_RTC - depends on RTC && HPET - help - If you say Y here, you will disable RTC_IRQ in drivers/char/rtc.c. It - is assumed the platform called hpet_alloc with the RTC IRQ values for - the HPET timers. - config HPET_MMAP bool "Allow mmap of HPET" default y diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index b47710c17885..17683de95717 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -96,7 +96,7 @@ static unsigned long rtc_port; static int rtc_irq; #endif -#ifdef CONFIG_HPET_RTC_IRQ +#ifdef CONFIG_HPET_EMULATE_RTC #undef RTC_IRQ #endif -- GitLab From 0053dc0d13eb14108ebc48619456dd9ff6e25768 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 15 Oct 2008 22:03:01 -0700 Subject: [PATCH 5428/6244] rtc: rtc-rs5c372: SMBus conversion/support rtc-rs5c372 presently depends on I2C master mode transfers, despite the fact that these RTCs frequently find themselves on SMBus-only adapters. Given that the only capabilities that were checked were for I2C_FUNC_I2C, it's assumed that most of the adapters that are currently using this driver are fairly sane, and are able to handle SMBus emulation (though we adjust the default capabilities to check for I2C_FUNC_SMBUS_EMUL anyways, which is the vast majority of them. The adapters that don't have their own ->smbus_xfer() fall back on the ->master_xfer() through the emulated transfer). The special case is iop3xx, which has more than its fair share of hacks within this driver, it remains untested -- though also claims to support emulated SMBus accesses. The corner case there is rs5c_get_regs() which uses access mode #3 for transferring the register state, while we use mode #1 for SMBus. Signed-off-by: Paul Mundt Acked-by: David Brownell Tested-by: Riku Voipio Acked-by: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-rs5c372.c | 209 ++++++++++++++++++++++++-------------- 1 file changed, 131 insertions(+), 78 deletions(-) diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index 56caf6b2c3e5..c390e3355595 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -3,6 +3,7 @@ * * Copyright (C) 2005 Pavel Mironchik * Copyright (C) 2006 Tower Technologies + * Copyright (C) 2008 Paul Mundt * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -13,7 +14,7 @@ #include #include -#define DRV_VERSION "0.5" +#define DRV_VERSION "0.6" /* @@ -89,6 +90,7 @@ struct rs5c372 { enum rtc_type type; unsigned time24:1; unsigned has_irq:1; + unsigned smbus:1; char buf[17]; char *regs; }; @@ -106,10 +108,25 @@ static int rs5c_get_regs(struct rs5c372 *rs5c) * * The first method doesn't work with the iop3xx adapter driver, on at * least 80219 chips; this works around that bug. + * + * The third method on the other hand doesn't work for the SMBus-only + * configurations, so we use the the first method there, stripping off + * the extra register in the process. */ - if ((i2c_transfer(client->adapter, msgs, 1)) != 1) { - dev_warn(&client->dev, "can't read registers\n"); - return -EIO; + if (rs5c->smbus) { + int addr = RS5C_ADDR(RS5C372_REG_SECS); + int size = sizeof(rs5c->buf) - 1; + + if (i2c_smbus_read_i2c_block_data(client, addr, size, + rs5c->buf + 1) != size) { + dev_warn(&client->dev, "can't read registers\n"); + return -EIO; + } + } else { + if ((i2c_transfer(client->adapter, msgs, 1)) != 1) { + dev_warn(&client->dev, "can't read registers\n"); + return -EIO; + } } dev_dbg(&client->dev, @@ -187,6 +204,7 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm) { struct rs5c372 *rs5c = i2c_get_clientdata(client); unsigned char buf[8]; + int addr; dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d " "mday=%d, mon=%d, year=%d, wday=%d\n", @@ -194,16 +212,16 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm) tm->tm_sec, tm->tm_min, tm->tm_hour, tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); - buf[0] = RS5C_ADDR(RS5C372_REG_SECS); - buf[1] = BIN2BCD(tm->tm_sec); - buf[2] = BIN2BCD(tm->tm_min); - buf[3] = rs5c_hr2reg(rs5c, tm->tm_hour); - buf[4] = BIN2BCD(tm->tm_wday); - buf[5] = BIN2BCD(tm->tm_mday); - buf[6] = BIN2BCD(tm->tm_mon + 1); - buf[7] = BIN2BCD(tm->tm_year - 100); + addr = RS5C_ADDR(RS5C372_REG_SECS); + buf[0] = BIN2BCD(tm->tm_sec); + buf[1] = BIN2BCD(tm->tm_min); + buf[2] = rs5c_hr2reg(rs5c, tm->tm_hour); + buf[3] = BIN2BCD(tm->tm_wday); + buf[4] = BIN2BCD(tm->tm_mday); + buf[5] = BIN2BCD(tm->tm_mon + 1); + buf[6] = BIN2BCD(tm->tm_year - 100); - if ((i2c_master_send(client, buf, 8)) != 8) { + if (i2c_smbus_write_i2c_block_data(client, addr, sizeof(buf), buf) < 0) { dev_err(&client->dev, "%s: write error\n", __func__); return -EIO; } @@ -266,16 +284,16 @@ rs5c_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { struct i2c_client *client = to_i2c_client(dev); struct rs5c372 *rs5c = i2c_get_clientdata(client); - unsigned char buf[2]; - int status; + unsigned char buf; + int status, addr; - buf[1] = rs5c->regs[RS5C_REG_CTRL1]; + buf = rs5c->regs[RS5C_REG_CTRL1]; switch (cmd) { case RTC_UIE_OFF: case RTC_UIE_ON: /* some 327a modes use a different IRQ pin for 1Hz irqs */ if (rs5c->type == rtc_rs5c372a - && (buf[1] & RS5C372A_CTRL1_SL1)) + && (buf & RS5C372A_CTRL1_SL1)) return -ENOIOCTLCMD; case RTC_AIE_OFF: case RTC_AIE_ON: @@ -293,28 +311,30 @@ rs5c_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) if (status < 0) return status; - buf[0] = RS5C_ADDR(RS5C_REG_CTRL1); + addr = RS5C_ADDR(RS5C_REG_CTRL1); switch (cmd) { case RTC_AIE_OFF: /* alarm off */ - buf[1] &= ~RS5C_CTRL1_AALE; + buf &= ~RS5C_CTRL1_AALE; break; case RTC_AIE_ON: /* alarm on */ - buf[1] |= RS5C_CTRL1_AALE; + buf |= RS5C_CTRL1_AALE; break; case RTC_UIE_OFF: /* update off */ - buf[1] &= ~RS5C_CTRL1_CT_MASK; + buf &= ~RS5C_CTRL1_CT_MASK; break; case RTC_UIE_ON: /* update on */ - buf[1] &= ~RS5C_CTRL1_CT_MASK; - buf[1] |= RS5C_CTRL1_CT4; + buf &= ~RS5C_CTRL1_CT_MASK; + buf |= RS5C_CTRL1_CT4; break; } - if ((i2c_master_send(client, buf, 2)) != 2) { + + if (i2c_smbus_write_byte_data(client, addr, buf) < 0) { printk(KERN_WARNING "%s: can't update alarm\n", rs5c->rtc->name); status = -EIO; } else - rs5c->regs[RS5C_REG_CTRL1] = buf[1]; + rs5c->regs[RS5C_REG_CTRL1] = buf; + return status; } @@ -364,8 +384,8 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t) { struct i2c_client *client = to_i2c_client(dev); struct rs5c372 *rs5c = i2c_get_clientdata(client); - int status; - unsigned char buf[4]; + int status, addr, i; + unsigned char buf[3]; /* only handle up to 24 hours in the future, like RTC_ALM_SET */ if (t->time.tm_mday != -1 @@ -380,33 +400,36 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t) if (status < 0) return status; if (rs5c->regs[RS5C_REG_CTRL1] & RS5C_CTRL1_AALE) { - buf[0] = RS5C_ADDR(RS5C_REG_CTRL1); - buf[1] = rs5c->regs[RS5C_REG_CTRL1] & ~RS5C_CTRL1_AALE; - if (i2c_master_send(client, buf, 2) != 2) { + addr = RS5C_ADDR(RS5C_REG_CTRL1); + buf[0] = rs5c->regs[RS5C_REG_CTRL1] & ~RS5C_CTRL1_AALE; + if (i2c_smbus_write_byte_data(client, addr, buf[0]) < 0) { pr_debug("%s: can't disable alarm\n", rs5c->rtc->name); return -EIO; } - rs5c->regs[RS5C_REG_CTRL1] = buf[1]; + rs5c->regs[RS5C_REG_CTRL1] = buf[0]; } /* set alarm */ - buf[0] = RS5C_ADDR(RS5C_REG_ALARM_A_MIN); - buf[1] = BIN2BCD(t->time.tm_min); - buf[2] = rs5c_hr2reg(rs5c, t->time.tm_hour); - buf[3] = 0x7f; /* any/all days */ - if ((i2c_master_send(client, buf, 4)) != 4) { - pr_debug("%s: can't set alarm time\n", rs5c->rtc->name); - return -EIO; + buf[0] = BIN2BCD(t->time.tm_min); + buf[1] = rs5c_hr2reg(rs5c, t->time.tm_hour); + buf[2] = 0x7f; /* any/all days */ + + for (i = 0; i < sizeof(buf); i++) { + addr = RS5C_ADDR(RS5C_REG_ALARM_A_MIN + i); + if (i2c_smbus_write_byte_data(client, addr, buf[i]) < 0) { + pr_debug("%s: can't set alarm time\n", rs5c->rtc->name); + return -EIO; + } } /* ... and maybe enable its irq */ if (t->enabled) { - buf[0] = RS5C_ADDR(RS5C_REG_CTRL1); - buf[1] = rs5c->regs[RS5C_REG_CTRL1] | RS5C_CTRL1_AALE; - if ((i2c_master_send(client, buf, 2)) != 2) + addr = RS5C_ADDR(RS5C_REG_CTRL1); + buf[0] = rs5c->regs[RS5C_REG_CTRL1] | RS5C_CTRL1_AALE; + if (i2c_smbus_write_byte_data(client, addr, buf[0]) < 0) printk(KERN_WARNING "%s: can't enable alarm\n", rs5c->rtc->name); - rs5c->regs[RS5C_REG_CTRL1] = buf[1]; + rs5c->regs[RS5C_REG_CTRL1] = buf[0]; } return 0; @@ -503,18 +526,74 @@ static void rs5c_sysfs_unregister(struct device *dev) static struct i2c_driver rs5c372_driver; +static int rs5c_oscillator_setup(struct rs5c372 *rs5c372) +{ + unsigned char buf[2]; + int addr, i, ret = 0; + + if (!(rs5c372->regs[RS5C_REG_CTRL2] & RS5C_CTRL2_XSTP)) + return ret; + rs5c372->regs[RS5C_REG_CTRL2] &= ~RS5C_CTRL2_XSTP; + + addr = RS5C_ADDR(RS5C_REG_CTRL1); + buf[0] = rs5c372->regs[RS5C_REG_CTRL1]; + buf[1] = rs5c372->regs[RS5C_REG_CTRL2]; + + /* use 24hr mode */ + switch (rs5c372->type) { + case rtc_rs5c372a: + case rtc_rs5c372b: + buf[1] |= RS5C372_CTRL2_24; + rs5c372->time24 = 1; + break; + case rtc_rv5c386: + case rtc_rv5c387a: + buf[0] |= RV5C387_CTRL1_24; + rs5c372->time24 = 1; + break; + default: + /* impossible */ + break; + } + + for (i = 0; i < sizeof(buf); i++) { + addr = RS5C_ADDR(RS5C_REG_CTRL1 + i); + ret = i2c_smbus_write_byte_data(rs5c372->client, addr, buf[i]); + if (unlikely(ret < 0)) + return ret; + } + + rs5c372->regs[RS5C_REG_CTRL1] = buf[0]; + rs5c372->regs[RS5C_REG_CTRL2] = buf[1]; + + return 0; +} + static int rs5c372_probe(struct i2c_client *client, const struct i2c_device_id *id) { int err = 0; + int smbus_mode = 0; struct rs5c372 *rs5c372; struct rtc_time tm; dev_dbg(&client->dev, "%s\n", __func__); - if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - err = -ENODEV; - goto exit; + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C | + I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_I2C_BLOCK)) { + /* + * If we don't have any master mode adapter, try breaking + * it down in to the barest of capabilities. + */ + if (i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_I2C_BLOCK)) + smbus_mode = 1; + else { + /* Still no good, give up */ + err = -ENODEV; + goto exit; + } } if (!(rs5c372 = kzalloc(sizeof(struct rs5c372), GFP_KERNEL))) { @@ -528,6 +607,7 @@ static int rs5c372_probe(struct i2c_client *client, /* we read registers 0x0f then 0x00-0x0f; skip the first one */ rs5c372->regs = &rs5c372->buf[1]; + rs5c372->smbus = smbus_mode; err = rs5c_get_regs(rs5c372); if (err < 0) @@ -559,38 +639,10 @@ static int rs5c372_probe(struct i2c_client *client, /* if the oscillator lost power and no other software (like * the bootloader) set it up, do it here. */ - if (rs5c372->regs[RS5C_REG_CTRL2] & RS5C_CTRL2_XSTP) { - unsigned char buf[3]; - - rs5c372->regs[RS5C_REG_CTRL2] &= ~RS5C_CTRL2_XSTP; - - buf[0] = RS5C_ADDR(RS5C_REG_CTRL1); - buf[1] = rs5c372->regs[RS5C_REG_CTRL1]; - buf[2] = rs5c372->regs[RS5C_REG_CTRL2]; - - /* use 24hr mode */ - switch (rs5c372->type) { - case rtc_rs5c372a: - case rtc_rs5c372b: - buf[2] |= RS5C372_CTRL2_24; - rs5c372->time24 = 1; - break; - case rtc_rv5c386: - case rtc_rv5c387a: - buf[1] |= RV5C387_CTRL1_24; - rs5c372->time24 = 1; - break; - default: - /* impossible */ - break; - } - - if ((i2c_master_send(client, buf, 3)) != 3) { - dev_err(&client->dev, "setup error\n"); - goto exit_kfree; - } - rs5c372->regs[RS5C_REG_CTRL1] = buf[1]; - rs5c372->regs[RS5C_REG_CTRL2] = buf[2]; + err = rs5c_oscillator_setup(rs5c372); + if (unlikely(err < 0)) { + dev_err(&client->dev, "setup error\n"); + goto exit_kfree; } if (rs5c372_get_datetime(client, &tm) < 0) @@ -667,7 +719,8 @@ module_exit(rs5c372_exit); MODULE_AUTHOR( "Pavel Mironchik , " - "Alessandro Zummo "); + "Alessandro Zummo , " + "Paul Mundt "); MODULE_DESCRIPTION("Ricoh RS5C372 RTC driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -- GitLab From 37fc5e2c42833c32f7c8eb5d9b3a3115bb37d9c3 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 15 Oct 2008 22:03:03 -0700 Subject: [PATCH 5429/6244] rtc: rtc-rs5c372: add support for Ricoh R2025S/D RTC This adds support for the Ricoh R2025S/D series of I2C RTCs, produced by Ricoh Japan and described at: http://www.ricoh.co.jp/LSI/product_rtc/2wire/r2025x/ This series has very minor deviations from the rest of the RS5C chips, most of which have to do with the oscillator, which was abstracted away in an earlier patch. Signed-off-by: Paul Mundt Acked-by: David Brownell Tested-by: Riku Voipio Acked-by: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-rs5c372.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index c390e3355595..8b561958fb1e 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -1,5 +1,5 @@ /* - * An I2C driver for Ricoh RS5C372 and RV5C38[67] RTCs + * An I2C driver for Ricoh RS5C372, R2025S/D and RV5C38[67] RTCs * * Copyright (C) 2005 Pavel Mironchik * Copyright (C) 2006 Tower Technologies @@ -52,7 +52,8 @@ # define RS5C_CTRL1_CT4 (4 << 0) /* 1 Hz level irq */ #define RS5C_REG_CTRL2 15 # define RS5C372_CTRL2_24 (1 << 5) -# define RS5C_CTRL2_XSTP (1 << 4) +# define R2025_CTRL2_XST (1 << 5) +# define RS5C_CTRL2_XSTP (1 << 4) /* only if !R2025S/D */ # define RS5C_CTRL2_CTFG (1 << 2) # define RS5C_CTRL2_AAFG (1 << 1) /* or WAFG */ # define RS5C_CTRL2_BAFG (1 << 0) /* or DAFG */ @@ -64,6 +65,7 @@ enum rtc_type { rtc_undef = 0, + rtc_r2025sd, rtc_rs5c372a, rtc_rs5c372b, rtc_rv5c386, @@ -71,6 +73,7 @@ enum rtc_type { }; static const struct i2c_device_id rs5c372_id[] = { + { "r2025sd", rtc_r2025sd }, { "rs5c372a", rtc_rs5c372a }, { "rs5c372b", rtc_rs5c372b }, { "rv5c386", rtc_rv5c386 }, @@ -531,9 +534,15 @@ static int rs5c_oscillator_setup(struct rs5c372 *rs5c372) unsigned char buf[2]; int addr, i, ret = 0; - if (!(rs5c372->regs[RS5C_REG_CTRL2] & RS5C_CTRL2_XSTP)) - return ret; - rs5c372->regs[RS5C_REG_CTRL2] &= ~RS5C_CTRL2_XSTP; + if (rs5c372->type == rtc_r2025sd) { + if (!(rs5c372->regs[RS5C_REG_CTRL2] & R2025_CTRL2_XST)) + return ret; + rs5c372->regs[RS5C_REG_CTRL2] &= ~R2025_CTRL2_XST; + } else { + if (!(rs5c372->regs[RS5C_REG_CTRL2] & RS5C_CTRL2_XSTP)) + return ret; + rs5c372->regs[RS5C_REG_CTRL2] &= ~RS5C_CTRL2_XSTP; + } addr = RS5C_ADDR(RS5C_REG_CTRL1); buf[0] = rs5c372->regs[RS5C_REG_CTRL1]; @@ -546,6 +555,7 @@ static int rs5c_oscillator_setup(struct rs5c372 *rs5c372) buf[1] |= RS5C372_CTRL2_24; rs5c372->time24 = 1; break; + case rtc_r2025sd: case rtc_rv5c386: case rtc_rv5c387a: buf[0] |= RV5C387_CTRL1_24; @@ -623,6 +633,7 @@ static int rs5c372_probe(struct i2c_client *client, if (rs5c372->regs[RS5C_REG_CTRL2] & RS5C372_CTRL2_24) rs5c372->time24 = 1; break; + case rtc_r2025sd: case rtc_rv5c386: case rtc_rv5c387a: if (rs5c372->regs[RS5C_REG_CTRL1] & RV5C387_CTRL1_24) @@ -638,6 +649,9 @@ static int rs5c372_probe(struct i2c_client *client, /* if the oscillator lost power and no other software (like * the bootloader) set it up, do it here. + * + * The R2025S/D does this a little differently than the other + * parts, so we special case that.. */ err = rs5c_oscillator_setup(rs5c372); if (unlikely(err < 0)) { @@ -650,6 +664,7 @@ static int rs5c372_probe(struct i2c_client *client, dev_info(&client->dev, "%s found, %s, driver version " DRV_VERSION "\n", ({ char *s; switch (rs5c372->type) { + case rtc_r2025sd: s = "r2025sd"; break; case rtc_rs5c372a: s = "rs5c372a"; break; case rtc_rs5c372b: s = "rs5c372b"; break; case rtc_rv5c386: s = "rv5c386"; break; -- GitLab From 743e6a504f81d1e2f086e726b69fb6631d11f820 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:04 -0700 Subject: [PATCH 5430/6244] rtc: file close() consistently disables repeating irqs Make the rtc framework consistent about disabling 1/second update IRQs that may have been activated through the /dev interface, when that /dev file is closed. (It may have closed because of coredump, etc.) This was previously done only for emulated update IRQs ... now, do it always. Also comment the current policy: repeating IRQs (periodic, update) that userspace enabled will be cleanly disabled, but alarms are left alone. Such repeating IRQs are a constant and pointless system load. Update some RTC drivers to remove now-needless release() methods. Most such methods just enforce that policy. The others all seem to be buggy, and mistreat in-kernel clients of periodic or alarm IRQs. Signed-off-by: David Brownell Acked-by: Andrew Sharp Cc: Angelo Castello Acked-by: Atsushi Nemoto Acked-by: Paul Mundt Cc: Thomas Hommel Acked-by: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-dev.c | 12 +++++++++--- drivers/rtc/rtc-ds1511.c | 13 ------------- drivers/rtc/rtc-ds1553.c | 12 ------------ drivers/rtc/rtc-sh.c | 7 ------- drivers/rtc/rtc-stk17ta8.c | 12 ------------ 5 files changed, 9 insertions(+), 47 deletions(-) diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 52e2743b04ec..079e9ed907e0 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -432,9 +432,15 @@ static int rtc_dev_release(struct inode *inode, struct file *file) { struct rtc_device *rtc = file->private_data; -#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL - clear_uie(rtc); -#endif + /* We shut down the repeating IRQs that userspace enabled, + * since nothing is listening to them. + * - Update (UIE) ... currently only managed through ioctls + * - Periodic (PIE) ... also used through rtc_*() interface calls + * + * Leave the alarm alone; it may be set to trigger a system wakeup + * later, or be used by kernel code, and is a one-shot event anyway. + */ + rtc_dev_ioctl(file, RTC_UIE_OFF, 0); rtc_irq_set_state(rtc, NULL, 0); if (rtc->ops->release) diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c index 0f0d27d1c4ca..86981d34fbb6 100644 --- a/drivers/rtc/rtc-ds1511.c +++ b/drivers/rtc/rtc-ds1511.c @@ -379,18 +379,6 @@ ds1511_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } - static void -ds1511_rtc_release(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - - if (pdata->irq >= 0) { - pdata->irqen = 0; - ds1511_rtc_update_alarm(pdata); - } -} - static int ds1511_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { @@ -428,7 +416,6 @@ static const struct rtc_class_ops ds1511_rtc_ops = { .set_time = ds1511_rtc_set_time, .read_alarm = ds1511_rtc_read_alarm, .set_alarm = ds1511_rtc_set_alarm, - .release = ds1511_rtc_release, .ioctl = ds1511_rtc_ioctl, }; diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index a19f11415540..4ef59285b489 100644 --- a/drivers/rtc/rtc-ds1553.c +++ b/drivers/rtc/rtc-ds1553.c @@ -207,17 +207,6 @@ static irqreturn_t ds1553_rtc_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void ds1553_rtc_release(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - - if (pdata->irq >= 0) { - pdata->irqen = 0; - ds1553_rtc_update_alarm(pdata); - } -} - static int ds1553_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { @@ -254,7 +243,6 @@ static const struct rtc_class_ops ds1553_rtc_ops = { .set_time = ds1553_rtc_set_time, .read_alarm = ds1553_rtc_read_alarm, .set_alarm = ds1553_rtc_set_alarm, - .release = ds1553_rtc_release, .ioctl = ds1553_rtc_ioctl, }; diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 1f88e9e914ec..fcead4c4cd1f 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -257,12 +257,6 @@ static inline void sh_rtc_setaie(struct device *dev, unsigned int enable) spin_unlock_irq(&rtc->lock); } -static void sh_rtc_release(struct device *dev) -{ - sh_rtc_setpie(dev, 0); - sh_rtc_setaie(dev, 0); -} - static int sh_rtc_proc(struct device *dev, struct seq_file *seq) { struct sh_rtc *rtc = dev_get_drvdata(dev); @@ -559,7 +553,6 @@ static int sh_rtc_irq_set_freq(struct device *dev, int freq) } static struct rtc_class_ops sh_rtc_ops = { - .release = sh_rtc_release, .ioctl = sh_rtc_ioctl, .read_time = sh_rtc_read_time, .set_time = sh_rtc_set_time, diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c index 31d3c8c28588..9a7e920315fa 100644 --- a/drivers/rtc/rtc-stk17ta8.c +++ b/drivers/rtc/rtc-stk17ta8.c @@ -215,17 +215,6 @@ static irqreturn_t stk17ta8_rtc_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void stk17ta8_rtc_release(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_plat_data *pdata = platform_get_drvdata(pdev); - - if (pdata->irq >= 0) { - pdata->irqen = 0; - stk17ta8_rtc_update_alarm(pdata); - } -} - static int stk17ta8_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { @@ -254,7 +243,6 @@ static const struct rtc_class_ops stk17ta8_rtc_ops = { .set_time = stk17ta8_rtc_set_time, .read_alarm = stk17ta8_rtc_read_alarm, .set_alarm = stk17ta8_rtc_set_alarm, - .release = stk17ta8_rtc_release, .ioctl = stk17ta8_rtc_ioctl, }; -- GitLab From 03274572215a1dfc7c382ef9b18c562612b4d466 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 15 Oct 2008 22:03:06 -0700 Subject: [PATCH 5431/6244] rtc: use CONFIG_PPC instead of CONFIG_PPC_MERGE Now that arch/ppc is dead CONFIG_PPC_MERGE is always defined for all powerpc platforms and we want to get rid of it use CONFIG_PPC instead. Signed-off-by: Kumar Gala Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: David Brownell Cc: Alessandro Zummo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 16bc33cbadf5..1a9459615c39 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -612,7 +612,7 @@ config RTC_DRV_RS5C313 config RTC_DRV_PPC tristate "PowerPC machine dependent RTC support" - depends on PPC_MERGE + depends on PPC help The PowerPC kernel has machine-specific functions for accessing the RTC. This exposes that functionality through the generic RTC -- GitLab From d3a126fcf9df7dc59f1cc553c2fb2e668264e86c Mon Sep 17 00:00:00 2001 From: "Steven A. Falco" Date: Wed, 15 Oct 2008 22:03:07 -0700 Subject: [PATCH 5432/6244] rtc: rtc-m41t80.c: add support for the ST M41T65 RTC Add support for M41T65 Real Time Clock chip. The main differences I see between the M41T65 and M41T80 are that: 1) The M41T65 watchdog timer has three bits controlling resolution (versus two for the M41T80). 2) There is no register 0x13 for controlling square-wave output. Signed-off-by: Steven A. Falco Acked-by: Alessandro Zummo Cc: "Maciej W. Rozycki" Acked-by: Atsushi Nemoto Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/Kconfig | 14 ++++++------- drivers/rtc/rtc-m41t80.c | 43 ++++++++++++++++++++++++++++++---------- 2 files changed, 40 insertions(+), 17 deletions(-) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 1a9459615c39..f660ef3e5b29 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -220,22 +220,22 @@ config RTC_DRV_PCF8583 will be called rtc-pcf8583. config RTC_DRV_M41T80 - tristate "ST M41T80/81/82/83/84/85/87" + tristate "ST M41T65/M41T80/81/82/83/84/85/87" help - If you say Y here you will get support for the - ST M41T80 RTC chips series. Currently following chips are - supported: M41T80, M41T81, M41T82, M41T83, M41ST84, M41ST85 - and M41ST87. + If you say Y here you will get support for the ST M41T60 + and M41T80 RTC chips series. Currently, the following chips are + supported: M41T65, M41T80, M41T81, M41T82, M41T83, M41ST84, + M41ST85, and M41ST87. This driver can also be built as a module. If so, the module will be called rtc-m41t80. config RTC_DRV_M41T80_WDT - bool "ST M41T80 series RTC watchdog timer" + bool "ST M41T65/M41T80 series RTC watchdog timer" depends on RTC_DRV_M41T80 help If you say Y here you will get support for the - watchdog timer in ST M41T80 RTC chips series. + watchdog timer in the ST M41T60 and M41T80 RTC chips series. config RTC_DRV_TWL92330 boolean "TI TWL92330/Menelaus" diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 24bc1689fc74..470fb2d29545 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -56,21 +56,27 @@ #define M41T80_ALHOUR_HT (1 << 6) /* HT: Halt Update Bit */ #define M41T80_FLAGS_AF (1 << 6) /* AF: Alarm Flag Bit */ #define M41T80_FLAGS_BATT_LOW (1 << 4) /* BL: Battery Low Bit */ +#define M41T80_WATCHDOG_RB2 (1 << 7) /* RB: Watchdog resolution */ +#define M41T80_WATCHDOG_RB1 (1 << 1) /* RB: Watchdog resolution */ +#define M41T80_WATCHDOG_RB0 (1 << 0) /* RB: Watchdog resolution */ -#define M41T80_FEATURE_HT (1 << 0) -#define M41T80_FEATURE_BL (1 << 1) +#define M41T80_FEATURE_HT (1 << 0) /* Halt feature */ +#define M41T80_FEATURE_BL (1 << 1) /* Battery low indicator */ +#define M41T80_FEATURE_SQ (1 << 2) /* Squarewave feature */ +#define M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */ #define DRV_VERSION "0.05" static const struct i2c_device_id m41t80_id[] = { - { "m41t80", 0 }, - { "m41t81", M41T80_FEATURE_HT }, - { "m41t81s", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, - { "m41t82", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, - { "m41t83", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, - { "m41st84", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, - { "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, - { "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL }, + { "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD }, + { "m41t80", M41T80_FEATURE_SQ }, + { "m41t81", M41T80_FEATURE_HT | M41T80_FEATURE_SQ}, + { "m41t81s", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, + { "m41t82", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, + { "m41t83", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, + { "m41st84", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, + { "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, + { "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ }, { } }; MODULE_DEVICE_TABLE(i2c, m41t80_id); @@ -386,8 +392,12 @@ static ssize_t m41t80_sysfs_show_sqwfreq(struct device *dev, struct device_attribute *attr, char *buf) { struct i2c_client *client = to_i2c_client(dev); + struct m41t80_data *clientdata = i2c_get_clientdata(client); int val; + if (!(clientdata->features & M41T80_FEATURE_SQ)) + return -EINVAL; + val = i2c_smbus_read_byte_data(client, M41T80_REG_SQW); if (val < 0) return -EIO; @@ -408,9 +418,13 @@ static ssize_t m41t80_sysfs_set_sqwfreq(struct device *dev, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); + struct m41t80_data *clientdata = i2c_get_clientdata(client); int almon, sqw; int val = simple_strtoul(buf, NULL, 0); + if (!(clientdata->features & M41T80_FEATURE_SQ)) + return -EINVAL; + if (val) { if (!is_power_of_2(val)) return -EINVAL; @@ -499,6 +513,8 @@ static void wdt_ping(void) .buf = i2c_data, }, }; + struct m41t80_data *clientdata = i2c_get_clientdata(save_client); + i2c_data[0] = 0x09; /* watchdog register */ if (wdt_margin > 31) @@ -509,6 +525,13 @@ static void wdt_ping(void) */ i2c_data[1] = wdt_margin<<2 | 0x82; + /* + * M41T65 has three bits for watchdog resolution. Don't set bit 7, as + * that would be an invalid resolution. + */ + if (clientdata->features & M41T80_FEATURE_WD) + i2c_data[1] &= ~M41T80_WATCHDOG_RB2; + i2c_transfer(save_client->adapter, msgs1, 1); } -- GitLab From fb0d4ec4d3f49bbe17955ee4da774eb589776da4 Mon Sep 17 00:00:00 2001 From: Andrew Victor Date: Wed, 15 Oct 2008 22:03:08 -0700 Subject: [PATCH 5433/6244] rtc-at91rm9200: remove now-unneeded code The non-functional periodic IRQ support was previously removed from the AT91RM9200 RTC driver. Remove the remaining AT91_RTC_FREQ definition. Signed-off-by: Andrew Victor Cc: David Brownell: Cc: Alessandro Zummo: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-at91rm9200.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 4e888cc8be5b..37082616482b 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -29,10 +29,10 @@ #include #include + #include -#define AT91_RTC_FREQ 1 #define AT91_RTC_EPOCH 1900UL /* just like arch/arm/common/rtctime.c */ static DECLARE_COMPLETION(at91_rtc_updated); @@ -228,8 +228,6 @@ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); seq_printf(seq, "periodic_IRQ\t: %s\n", (imr & AT91_RTC_SECEV) ? "yes" : "no"); - seq_printf(seq, "periodic_freq\t: %ld\n", - (unsigned long) AT91_RTC_FREQ); return 0; } -- GitLab From 6fd5c03f823dd6a3755b277243cd4b1718475ac0 Mon Sep 17 00:00:00 2001 From: Alessandro Zummo Date: Wed, 15 Oct 2008 22:03:08 -0700 Subject: [PATCH 5434/6244] rtc-max6900 new style driver New style conversion and reformatting as per indent --linux-style Signed-off-by: Alessandro Zummo Cc: Dale Farnsworth Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-max6900.c | 223 ++++++++++++-------------------------- 1 file changed, 69 insertions(+), 154 deletions(-) diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c index ded3c0abad83..12c9cd25cad8 100644 --- a/drivers/rtc/rtc-max6900.c +++ b/drivers/rtc/rtc-max6900.c @@ -17,19 +17,18 @@ #include #include -#define DRV_NAME "max6900" -#define DRV_VERSION "0.1" +#define DRV_VERSION "0.2" /* * register indices */ -#define MAX6900_REG_SC 0 /* seconds 00-59 */ -#define MAX6900_REG_MN 1 /* minutes 00-59 */ -#define MAX6900_REG_HR 2 /* hours 00-23 */ -#define MAX6900_REG_DT 3 /* day of month 00-31 */ -#define MAX6900_REG_MO 4 /* month 01-12 */ -#define MAX6900_REG_DW 5 /* day of week 1-7 */ -#define MAX6900_REG_YR 6 /* year 00-99 */ +#define MAX6900_REG_SC 0 /* seconds 00-59 */ +#define MAX6900_REG_MN 1 /* minutes 00-59 */ +#define MAX6900_REG_HR 2 /* hours 00-23 */ +#define MAX6900_REG_DT 3 /* day of month 00-31 */ +#define MAX6900_REG_MO 4 /* month 01-12 */ +#define MAX6900_REG_DW 5 /* day of week 1-7 */ +#define MAX6900_REG_YR 6 /* year 00-99 */ #define MAX6900_REG_CT 7 /* control */ /* register 8 is undocumented */ #define MAX6900_REG_CENTURY 9 /* century */ @@ -39,7 +38,6 @@ #define MAX6900_REG_CT_WP (1 << 7) /* Write Protect */ - /* * register read/write commands */ @@ -52,16 +50,7 @@ #define MAX6900_IDLE_TIME_AFTER_WRITE 3 /* specification says 2.5 mS */ -#define MAX6900_I2C_ADDR 0xa0 - -static const unsigned short normal_i2c[] = { - MAX6900_I2C_ADDR >> 1, - I2C_CLIENT_END -}; - -I2C_CLIENT_INSMOD; /* defines addr_data */ - -static int max6900_probe(struct i2c_adapter *adapter, int addr, int kind); +static struct i2c_driver max6900_driver; static int max6900_i2c_read_regs(struct i2c_client *client, u8 *buf) { @@ -69,36 +58,35 @@ static int max6900_i2c_read_regs(struct i2c_client *client, u8 *buf) u8 reg_century_read[1] = { MAX6900_REG_CENTURY_READ }; struct i2c_msg msgs[4] = { { - .addr = client->addr, - .flags = 0, /* write */ - .len = sizeof(reg_burst_read), - .buf = reg_burst_read - }, + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(reg_burst_read), + .buf = reg_burst_read} + , { - .addr = client->addr, - .flags = I2C_M_RD, - .len = MAX6900_BURST_LEN, - .buf = buf - }, + .addr = client->addr, + .flags = I2C_M_RD, + .len = MAX6900_BURST_LEN, + .buf = buf} + , { - .addr = client->addr, - .flags = 0, /* write */ - .len = sizeof(reg_century_read), - .buf = reg_century_read - }, + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(reg_century_read), + .buf = reg_century_read} + , { - .addr = client->addr, - .flags = I2C_M_RD, - .len = sizeof(buf[MAX6900_REG_CENTURY]), - .buf = &buf[MAX6900_REG_CENTURY] - } + .addr = client->addr, + .flags = I2C_M_RD, + .len = sizeof(buf[MAX6900_REG_CENTURY]), + .buf = &buf[MAX6900_REG_CENTURY] + } }; int rc; rc = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); if (rc != ARRAY_SIZE(msgs)) { - dev_err(&client->dev, "%s: register read failed\n", - __func__); + dev_err(&client->dev, "%s: register read failed\n", __func__); return -EIO; } return 0; @@ -109,20 +97,18 @@ static int max6900_i2c_write_regs(struct i2c_client *client, u8 const *buf) u8 i2c_century_buf[1 + 1] = { MAX6900_REG_CENTURY_WRITE }; struct i2c_msg century_msgs[1] = { { - .addr = client->addr, - .flags = 0, /* write */ - .len = sizeof(i2c_century_buf), - .buf = i2c_century_buf - } + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(i2c_century_buf), + .buf = i2c_century_buf} }; u8 i2c_burst_buf[MAX6900_BURST_LEN + 1] = { MAX6900_REG_BURST_WRITE }; struct i2c_msg burst_msgs[1] = { { - .addr = client->addr, - .flags = 0, /* write */ - .len = sizeof(i2c_burst_buf), - .buf = i2c_burst_buf - } + .addr = client->addr, + .flags = 0, /* write */ + .len = sizeof(i2c_burst_buf), + .buf = i2c_burst_buf} }; int rc; @@ -133,10 +119,12 @@ static int max6900_i2c_write_regs(struct i2c_client *client, u8 const *buf) * bit as part of the burst write. */ i2c_century_buf[1] = buf[MAX6900_REG_CENTURY]; + rc = i2c_transfer(client->adapter, century_msgs, ARRAY_SIZE(century_msgs)); if (rc != ARRAY_SIZE(century_msgs)) goto write_failed; + msleep(MAX6900_IDLE_TIME_AFTER_WRITE); memcpy(&i2c_burst_buf[1], buf, MAX6900_BURST_LEN); @@ -148,45 +136,11 @@ static int max6900_i2c_write_regs(struct i2c_client *client, u8 const *buf) return 0; -write_failed: - dev_err(&client->dev, "%s: register write failed\n", - __func__); + write_failed: + dev_err(&client->dev, "%s: register write failed\n", __func__); return -EIO; } -static int max6900_i2c_validate_client(struct i2c_client *client) -{ - u8 regs[MAX6900_REG_LEN]; - u8 zero_mask[] = { - 0x80, /* seconds */ - 0x80, /* minutes */ - 0x40, /* hours */ - 0xc0, /* day of month */ - 0xe0, /* month */ - 0xf8, /* day of week */ - 0x00, /* year */ - 0x7f, /* control */ - }; - int i; - int rc; - int reserved; - - reserved = i2c_smbus_read_byte_data(client, MAX6900_REG_RESERVED_READ); - if (reserved != 0x07) - return -ENODEV; - - rc = max6900_i2c_read_regs(client, regs); - if (rc < 0) - return rc; - - for (i = 0; i < ARRAY_SIZE(zero_mask); ++i) { - if (regs[i] & zero_mask[i]) - return -ENODEV; - } - - return 0; -} - static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) { int rc; @@ -202,7 +156,7 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) tm->tm_mday = BCD2BIN(regs[MAX6900_REG_DT]); tm->tm_mon = BCD2BIN(regs[MAX6900_REG_MO]) - 1; tm->tm_year = BCD2BIN(regs[MAX6900_REG_YR]) + - BCD2BIN(regs[MAX6900_REG_CENTURY]) * 100 - 1900; + BCD2BIN(regs[MAX6900_REG_CENTURY]) * 100 - 1900; tm->tm_wday = BCD2BIN(regs[MAX6900_REG_DW]); return 0; @@ -211,7 +165,7 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm) static int max6900_i2c_clear_write_protect(struct i2c_client *client) { int rc; - rc = i2c_smbus_write_byte_data (client, MAX6900_REG_CONTROL_WRITE, 0); + rc = i2c_smbus_write_byte_data(client, MAX6900_REG_CONTROL_WRITE, 0); if (rc < 0) { dev_err(&client->dev, "%s: control register write failed\n", __func__); @@ -220,8 +174,8 @@ static int max6900_i2c_clear_write_protect(struct i2c_client *client) return 0; } -static int max6900_i2c_set_time(struct i2c_client *client, - struct rtc_time const *tm) +static int +max6900_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm) { u8 regs[MAX6900_REG_LEN]; int rc; @@ -258,89 +212,49 @@ static int max6900_rtc_set_time(struct device *dev, struct rtc_time *tm) return max6900_i2c_set_time(to_i2c_client(dev), tm); } -static int max6900_attach_adapter(struct i2c_adapter *adapter) -{ - return i2c_probe(adapter, &addr_data, max6900_probe); -} - -static int max6900_detach_client(struct i2c_client *client) +static int max6900_remove(struct i2c_client *client) { - struct rtc_device *const rtc = i2c_get_clientdata(client); + struct rtc_device *rtc = i2c_get_clientdata(client); if (rtc) rtc_device_unregister(rtc); - return i2c_detach_client(client); + return 0; } -static struct i2c_driver max6900_driver = { - .driver = { - .name = DRV_NAME, - }, - .id = I2C_DRIVERID_MAX6900, - .attach_adapter = max6900_attach_adapter, - .detach_client = max6900_detach_client, -}; - static const struct rtc_class_ops max6900_rtc_ops = { - .read_time = max6900_rtc_read_time, - .set_time = max6900_rtc_set_time, + .read_time = max6900_rtc_read_time, + .set_time = max6900_rtc_set_time, }; -static int max6900_probe(struct i2c_adapter *adapter, int addr, int kind) +static int +max6900_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int rc = 0; - struct i2c_client *client = NULL; - struct rtc_device *rtc = NULL; - - if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { - rc = -ENODEV; - goto failout; - } - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) { - rc = -ENOMEM; - goto failout; - } - - client->addr = addr; - client->adapter = adapter; - client->driver = &max6900_driver; - strlcpy(client->name, DRV_NAME, I2C_NAME_SIZE); - - if (kind < 0) { - rc = max6900_i2c_validate_client(client); - if (rc < 0) - goto failout; - } + struct rtc_device *rtc; - rc = i2c_attach_client(client); - if (rc < 0) - goto failout; + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) + return -ENODEV; - dev_info(&client->dev, - "chip found, driver version " DRV_VERSION "\n"); + dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); rtc = rtc_device_register(max6900_driver.driver.name, - &client->dev, - &max6900_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - rc = PTR_ERR(rtc); - goto failout_detach; - } + &client->dev, &max6900_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); i2c_set_clientdata(client, rtc); return 0; - -failout_detach: - i2c_detach_client(client); -failout: - kfree(client); - return rc; } +static struct i2c_driver max6900_driver = { + .driver = { + .name = "rtc-max6900", + }, + .probe = max6900_probe, + .remove = max6900_remove, +}; + static int __init max6900_init(void) { return i2c_add_driver(&max6900_driver); @@ -352,6 +266,7 @@ static void __exit max6900_exit(void) } MODULE_DESCRIPTION("Maxim MAX6900 RTC driver"); +MODULE_AUTHOR("Dale Farnsworth "); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); -- GitLab From 1716b0fea36c2be628440c1050182a1a1e9caae7 Mon Sep 17 00:00:00 2001 From: Alessandro Zummo Date: Wed, 15 Oct 2008 22:03:10 -0700 Subject: [PATCH 5435/6244] rtc-ds1672 new style driver New style conversion and reformatting as per indent --linux-style Signed-off-by: Alessandro Zummo Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-ds1672.c | 114 ++++++++++++--------------------------- 1 file changed, 34 insertions(+), 80 deletions(-) diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c index 6fa4556f5f5c..341d7a5b45a2 100644 --- a/drivers/rtc/rtc-ds1672.c +++ b/drivers/rtc/rtc-ds1672.c @@ -9,17 +9,10 @@ * published by the Free Software Foundation. */ -#include #include #include -#define DRV_VERSION "0.3" - -/* Addresses to scan: none. This chip cannot be detected. */ -static const unsigned short normal_i2c[] = { I2C_CLIENT_END }; - -/* Insmod parameters */ -I2C_CLIENT_INSMOD; +#define DRV_VERSION "0.4" /* Registers */ @@ -29,8 +22,7 @@ I2C_CLIENT_INSMOD; #define DS1672_REG_CONTROL_EOSC 0x80 -/* Prototypes */ -static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind); +static struct i2c_driver ds1672_driver; /* * In the routines that deal directly with the ds1672 hardware, we use @@ -44,8 +36,8 @@ static int ds1672_get_datetime(struct i2c_client *client, struct rtc_time *tm) unsigned char buf[4]; struct i2c_msg msgs[] = { - { client->addr, 0, 1, &addr }, /* setup read ptr */ - { client->addr, I2C_M_RD, 4, buf }, /* read date */ + {client->addr, 0, 1, &addr}, /* setup read ptr */ + {client->addr, I2C_M_RD, 4, buf}, /* read date */ }; /* read date registers */ @@ -80,7 +72,7 @@ static int ds1672_set_mmss(struct i2c_client *client, unsigned long secs) buf[2] = (secs & 0x0000FF00) >> 8; buf[3] = (secs & 0x00FF0000) >> 16; buf[4] = (secs & 0xFF000000) >> 24; - buf[5] = 0; /* set control reg to enable counting */ + buf[5] = 0; /* set control reg to enable counting */ xfer = i2c_master_send(client, buf, 6); if (xfer != 6) { @@ -127,8 +119,8 @@ static int ds1672_get_control(struct i2c_client *client, u8 *status) unsigned char addr = DS1672_REG_CONTROL; struct i2c_msg msgs[] = { - { client->addr, 0, 1, &addr }, /* setup read ptr */ - { client->addr, I2C_M_RD, 1, status }, /* read control */ + {client->addr, 0, 1, &addr}, /* setup read ptr */ + {client->addr, I2C_M_RD, 1, status}, /* read control */ }; /* read control register */ @@ -141,7 +133,8 @@ static int ds1672_get_control(struct i2c_client *client, u8 *status) } /* following are the sysfs callback functions */ -static ssize_t show_control(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t show_control(struct device *dev, struct device_attribute *attr, + char *buf) { struct i2c_client *client = to_i2c_client(dev); u8 control; @@ -152,85 +145,46 @@ static ssize_t show_control(struct device *dev, struct device_attribute *attr, c return err; return sprintf(buf, "%s\n", (control & DS1672_REG_CONTROL_EOSC) - ? "disabled" : "enabled"); + ? "disabled" : "enabled"); } + static DEVICE_ATTR(control, S_IRUGO, show_control, NULL); static const struct rtc_class_ops ds1672_rtc_ops = { - .read_time = ds1672_rtc_read_time, - .set_time = ds1672_rtc_set_time, - .set_mmss = ds1672_rtc_set_mmss, + .read_time = ds1672_rtc_read_time, + .set_time = ds1672_rtc_set_time, + .set_mmss = ds1672_rtc_set_mmss, }; -static int ds1672_attach(struct i2c_adapter *adapter) +static int ds1672_remove(struct i2c_client *client) { - return i2c_probe(adapter, &addr_data, ds1672_probe); -} - -static int ds1672_detach(struct i2c_client *client) -{ - int err; struct rtc_device *rtc = i2c_get_clientdata(client); - if (rtc) + if (rtc) rtc_device_unregister(rtc); - if ((err = i2c_detach_client(client))) - return err; - - kfree(client); - return 0; } -static struct i2c_driver ds1672_driver = { - .driver = { - .name = "ds1672", - }, - .id = I2C_DRIVERID_DS1672, - .attach_adapter = &ds1672_attach, - .detach_client = &ds1672_detach, -}; - -static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) +static int ds1672_probe(struct i2c_client *client, + const struct i2c_device_id *id) { int err = 0; u8 control; - struct i2c_client *client; struct rtc_device *rtc; - dev_dbg(&adapter->dev, "%s\n", __func__); + dev_dbg(&client->dev, "%s\n", __func__); - if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { - err = -ENODEV; - goto exit; - } - - if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { - err = -ENOMEM; - goto exit; - } - - /* I2C client */ - client->addr = address; - client->driver = &ds1672_driver; - client->adapter = adapter; - - strlcpy(client->name, ds1672_driver.driver.name, I2C_NAME_SIZE); - - /* Inform the i2c layer */ - if ((err = i2c_attach_client(client))) - goto exit_kfree; + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) + return -ENODEV; dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); rtc = rtc_device_register(ds1672_driver.driver.name, &client->dev, - &ds1672_rtc_ops, THIS_MODULE); + &ds1672_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - err = PTR_ERR(rtc); - goto exit_detach; - } + if (IS_ERR(rtc)) + return PTR_ERR(rtc); i2c_set_clientdata(client, rtc); @@ -241,7 +195,7 @@ static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) if (control & DS1672_REG_CONTROL_EOSC) dev_warn(&client->dev, "Oscillator not enabled. " - "Set time to enable.\n"); + "Set time to enable.\n"); /* Register sysfs hooks */ err = device_create_file(&client->dev, &dev_attr_control); @@ -250,19 +204,19 @@ static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) return 0; -exit_devreg: + exit_devreg: rtc_device_unregister(rtc); - -exit_detach: - i2c_detach_client(client); - -exit_kfree: - kfree(client); - -exit: return err; } +static struct i2c_driver ds1672_driver = { + .driver = { + .name = "rtc-ds1672", + }, + .probe = &ds1672_probe, + .remove = &ds1672_remove, +}; + static int __init ds1672_init(void) { return i2c_add_driver(&ds1672_driver); -- GitLab From 4fd5463c43d75ec919e27abdcfde1b199c19541e Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Wed, 15 Oct 2008 22:03:10 -0700 Subject: [PATCH 5436/6244] gpio: make gpiochip label const Mark gpiochip label as a const char pointer. Fixes things like arch/arm/common/scoop.c: In function `scoop_probe': arch/arm/common/scoop.c:250: warning: assignment discards qualifiers from pointer target type Signed-off-by: Dmitry Baryshkov Acked-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-generic/gpio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 0f99ad38b012..2c5744b66dec 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -61,7 +61,7 @@ struct module; * is calculated by subtracting @base from the gpio number. */ struct gpio_chip { - char *label; + const char *label; struct device *dev; struct module *owner; -- GitLab From c557fa3e4c156b8713c177d9dde08920130bf551 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Wed, 15 Oct 2008 22:03:11 -0700 Subject: [PATCH 5437/6244] gpio: max7301: fix the race between chip addition and pins reconfiguration There is a small race and code ugliness in max7301: pins are reconfigured after the chip is registered. Swap these calls so that the device is registered in correct state. Also this fixes the comile-time warning about unchecked gpiochip_remove. Signed-off-by: Dmitry Baryshkov Cc: Juergen Beisert Cc: Guennadi Liakhovetski Cc: Russell King Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpio/max7301.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c index 1b5ad97b9e5b..8b24d784db93 100644 --- a/drivers/gpio/max7301.c +++ b/drivers/gpio/max7301.c @@ -255,10 +255,6 @@ static int __devinit max7301_probe(struct spi_device *spi) ts->chip.dev = &spi->dev; ts->chip.owner = THIS_MODULE; - ret = gpiochip_add(&ts->chip); - if (ret) - goto exit_destroy; - /* * tristate all pins in hardware and cache the * register values for later use. @@ -269,17 +265,19 @@ static int __devinit max7301_probe(struct spi_device *spi) max7301_write(spi, 0x08 + i, 0xAA); ts->port_config[i] = 0xAA; for (j = 0; j < 4; j++) { - int idx = ts->chip.base + (i - 1) * 4 + j; - ret = gpio_direction_input(idx); + int offset = (i - 1) * 4 + j; + ret = max7301_direction_input(&ts->chip, offset); if (ret) - goto exit_remove; - gpio_free(idx); + goto exit_destroy; } } + + ret = gpiochip_add(&ts->chip); + if (ret) + goto exit_destroy; + return ret; -exit_remove: - gpiochip_remove(&ts->chip); exit_destroy: dev_set_drvdata(&spi->dev, NULL); mutex_destroy(&ts->lock); -- GitLab From 3d599d1ca57f443e5c4ff5af1e69d90350082f77 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Wed, 15 Oct 2008 22:03:12 -0700 Subject: [PATCH 5438/6244] gpio_free might sleep, generic part MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This is the generic part which changes gpiolib and the fallback implementation only. Signed-off-by: Uwe Kleine-König Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpio/gpiolib.c | 2 ++ include/linux/gpio.h | 3 +++ 2 files changed, 5 insertions(+) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 8d2940517c99..317004fd94fb 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -792,6 +792,8 @@ void gpio_free(unsigned gpio) unsigned long flags; struct gpio_desc *desc; + might_sleep(); + if (!gpio_is_valid(gpio)) { WARN_ON(extra_checks); return; diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 730a20b83576..e10c49a5b96e 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -8,6 +8,7 @@ #else +#include #include #include @@ -32,6 +33,8 @@ static inline int gpio_request(unsigned gpio, const char *label) static inline void gpio_free(unsigned gpio) { + might_sleep(); + /* GPIO can never have been requested */ WARN_ON(1); } -- GitLab From 2f8d11971b9f54362437ce70f4d1911f0996d542 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:13 -0700 Subject: [PATCH 5439/6244] gpio: i2c expanders use subsys_init Make the I2C external GPIO expander drivers register themselves at subsys_initcall() time when they're statically linked. SOC-integrated GPIOs are available starting very early -- early in arch_initcall() at latest, but often even before initcalls start to run -- so this improves consistency, so more subsystems can rely on GPIOs in their own subsys_initcall() code. (This isn't a theoretical problem. This is one of several patches needed to resolve oopsing observed when statically linking kernels on a DaVinci EVM. Its pcf857x GPIOs needed to be available well before some other drivers initialized.) Signed-off-by: David Brownell Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpio/max732x.c | 5 ++++- drivers/gpio/pca953x.c | 5 ++++- drivers/gpio/pcf857x.c | 5 ++++- 3 files changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c index b51c8135ca28..55ae9a41897a 100644 --- a/drivers/gpio/max732x.c +++ b/drivers/gpio/max732x.c @@ -372,7 +372,10 @@ static int __init max732x_init(void) { return i2c_add_driver(&max732x_driver); } -module_init(max732x_init); +/* register after i2c postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(max732x_init); static void __exit max732x_exit(void) { diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index cc8468692ae0..9ceeb89f1325 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -289,7 +289,10 @@ static int __init pca953x_init(void) { return i2c_add_driver(&pca953x_driver); } -module_init(pca953x_init); +/* register after i2c postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(pca953x_init); static void __exit pca953x_exit(void) { diff --git a/drivers/gpio/pcf857x.c b/drivers/gpio/pcf857x.c index fc9c6ae739ee..4bc2070dd4a1 100644 --- a/drivers/gpio/pcf857x.c +++ b/drivers/gpio/pcf857x.c @@ -351,7 +351,10 @@ static int __init pcf857x_init(void) { return i2c_add_driver(&pcf857x_driver); } -module_init(pcf857x_init); +/* register after i2c postcore initcall and before + * subsys initcalls that may rely on these GPIOs + */ +subsys_initcall(pcf857x_init); static void __exit pcf857x_exit(void) { -- GitLab From 0f6d504e73b49374c6093efe6aa60ab55058248a Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:14 -0700 Subject: [PATCH 5440/6244] gpiolib: gpio_to_irq() hooks Add a new gpiolib mechanism: gpio_chip instances can provide mappings between their (input) GPIOs and any associated IRQs. This makes it easier for platforms to support IRQs that are provided by board-specific external chips instead of as part of their core (such as SOC-integrated GPIOs). Also update the irq_to_gpio() description, saying to avoid it because it's not always supported. Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/gpio.txt | 5 +++-- drivers/gpio/gpiolib.c | 18 ++++++++++++++++++ include/asm-generic/gpio.h | 7 +++++++ 3 files changed, 28 insertions(+), 2 deletions(-) diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt index 18022e249c53..8a7c45956d24 100644 --- a/Documentation/gpio.txt +++ b/Documentation/gpio.txt @@ -264,7 +264,7 @@ map between them using calls like: /* map GPIO numbers to IRQ numbers */ int gpio_to_irq(unsigned gpio); - /* map IRQ numbers to GPIO numbers */ + /* map IRQ numbers to GPIO numbers (avoid using this) */ int irq_to_gpio(unsigned irq); Those return either the corresponding number in the other namespace, or @@ -284,7 +284,8 @@ system wakeup capabilities. Non-error values returned from irq_to_gpio() would most commonly be used with gpio_get_value(), for example to initialize or update driver state -when the IRQ is edge-triggered. +when the IRQ is edge-triggered. Note that some platforms don't support +this reverse mapping, so you should avoid using it. Emulating Open Drain Signals diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 317004fd94fb..29a7e6b1be5d 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1010,6 +1010,24 @@ int __gpio_cansleep(unsigned gpio) } EXPORT_SYMBOL_GPL(__gpio_cansleep); +/** + * __gpio_to_irq() - return the IRQ corresponding to a GPIO + * @gpio: gpio whose IRQ will be returned (already requested) + * Context: any + * + * This is used directly or indirectly to implement gpio_to_irq(). + * It returns the number of the IRQ signaled by this (input) GPIO, + * or a negative errno. + */ +int __gpio_to_irq(unsigned gpio) +{ + struct gpio_chip *chip; + + chip = gpio_to_chip(gpio); + return chip->to_irq ? chip->to_irq(chip, gpio - chip->base) : -ENXIO; +} +EXPORT_SYMBOL_GPL(__gpio_to_irq); + /* There's no value in making it easy to inline GPIO calls that may sleep. diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 2c5744b66dec..04cb1d175df1 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -40,6 +40,8 @@ struct module; * returns either the value actually sensed, or zero * @direction_output: configures signal "offset" as output, or returns error * @set: assigns output value for signal "offset" + * @to_irq: optional hook supporting non-static gpio_to_irq() mappings; + * implementation may not sleep * @dbg_show: optional routine to show contents in debugfs; default code * will be used when this is omitted, but custom code can show extra * state (such as pullup/pulldown configuration). @@ -73,6 +75,10 @@ struct gpio_chip { unsigned offset, int value); void (*set)(struct gpio_chip *chip, unsigned offset, int value); + + int (*to_irq)(struct gpio_chip *chip, + unsigned offset); + void (*dbg_show)(struct seq_file *s, struct gpio_chip *chip); int base; @@ -112,6 +118,7 @@ extern void __gpio_set_value(unsigned gpio, int value); extern int __gpio_cansleep(unsigned gpio); +extern int __gpio_to_irq(unsigned gpio); #ifdef CONFIG_GPIO_SYSFS -- GitLab From 93a22f8b95756c53e80308820892119c910d2739 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:15 -0700 Subject: [PATCH 5441/6244] omap drivers: switch to standard GPIO calls This updates most of the OMAP drivers which are in mainline to switch to using the cross-platform GPIO calls instead of the older OMAP-specific ones. This is all fairly brainless/obvious stuff. Probably the most interesting bit is to observe that the omap-keypad code seems to now have a portable core that could work with non-OMAP matrix keypads. (That would improve with hardware IRQ debouncing enabled, of course...) Signed-off-by: David Brownell Signed-off-by: Tony Lindgren Cc: Dmitry Torokhov Cc: Antonino Daplas Cc: David Woodhouse Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/input/keyboard/omap-keypad.c | 27 ++++---- drivers/mtd/nand/ams-delta.c | 4 +- drivers/video/omap/lcd_inn1610.c | 22 +++---- drivers/video/omap/lcd_osk.c | 10 ++- drivers/video/omap/lcd_sx1.c | 99 +++++++++++++--------------- 5 files changed, 75 insertions(+), 87 deletions(-) diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index dcea87a0bc56..9a816db7cc25 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -72,12 +72,9 @@ static unsigned int *col_gpios; static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value) { int col; - for (col = 0; col < omap_kp->cols; col++) { - if (value & (1 << col)) - omap_set_gpio_dataout(col_gpios[col], 1); - else - omap_set_gpio_dataout(col_gpios[col], 0); - } + + for (col = 0; col < omap_kp->cols; col++) + gpio_set_value(col_gpios[col], value & (1 << col)); } static u8 get_row_gpio_val(struct omap_kp *omap_kp) @@ -86,7 +83,7 @@ static u8 get_row_gpio_val(struct omap_kp *omap_kp) u8 value = 0; for (row = 0; row < omap_kp->rows; row++) { - if (omap_get_gpio_datain(row_gpios[row])) + if (gpio_get_value(row_gpios[row])) value |= (1 << row); } return value; @@ -333,23 +330,23 @@ static int __init omap_kp_probe(struct platform_device *pdev) if (cpu_is_omap24xx()) { /* Cols: outputs */ for (col_idx = 0; col_idx < omap_kp->cols; col_idx++) { - if (omap_request_gpio(col_gpios[col_idx]) < 0) { + if (gpio_request(col_gpios[col_idx], "omap_kp_col") < 0) { printk(KERN_ERR "Failed to request" "GPIO%d for keypad\n", col_gpios[col_idx]); goto err1; } - omap_set_gpio_direction(col_gpios[col_idx], 0); + gpio_direction_output(col_gpios[col_idx], 0); } /* Rows: inputs */ for (row_idx = 0; row_idx < omap_kp->rows; row_idx++) { - if (omap_request_gpio(row_gpios[row_idx]) < 0) { + if (gpio_request(row_gpios[row_idx], "omap_kp_row") < 0) { printk(KERN_ERR "Failed to request" "GPIO%d for keypad\n", row_gpios[row_idx]); goto err2; } - omap_set_gpio_direction(row_gpios[row_idx], 1); + gpio_direction_input(row_gpios[row_idx]); } } else { col_idx = 0; @@ -418,10 +415,10 @@ err3: device_remove_file(&pdev->dev, &dev_attr_enable); err2: for (i = row_idx - 1; i >=0; i--) - omap_free_gpio(row_gpios[i]); + gpio_free(row_gpios[i]); err1: for (i = col_idx - 1; i >=0; i--) - omap_free_gpio(col_gpios[i]); + gpio_free(col_gpios[i]); kfree(omap_kp); input_free_device(input_dev); @@ -438,9 +435,9 @@ static int omap_kp_remove(struct platform_device *pdev) if (cpu_is_omap24xx()) { int i; for (i = 0; i < omap_kp->cols; i++) - omap_free_gpio(col_gpios[i]); + gpio_free(col_gpios[i]); for (i = 0; i < omap_kp->rows; i++) { - omap_free_gpio(row_gpios[i]); + gpio_free(row_gpios[i]); free_irq(OMAP_GPIO_IRQ(row_gpios[i]), 0); } } else { diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index 26d42987971f..782994ead0e8 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -145,7 +145,7 @@ static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd, static int ams_delta_nand_ready(struct mtd_info *mtd) { - return omap_get_gpio_datain(AMS_DELTA_GPIO_PIN_NAND_RB); + return gpio_get_value(AMS_DELTA_GPIO_PIN_NAND_RB); } /* @@ -185,7 +185,7 @@ static int __init ams_delta_init(void) this->read_buf = ams_delta_read_buf; this->verify_buf = ams_delta_verify_buf; this->cmd_ctrl = ams_delta_hwcontrol; - if (!omap_request_gpio(AMS_DELTA_GPIO_PIN_NAND_RB)) { + if (gpio_request(AMS_DELTA_GPIO_PIN_NAND_RB, "nand_rdy") == 0) { this->dev_ready = ams_delta_nand_ready; } else { this->dev_ready = NULL; diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c index 6a42c6a0cd99..4c4f7ee6d733 100644 --- a/drivers/video/omap/lcd_inn1610.c +++ b/drivers/video/omap/lcd_inn1610.c @@ -32,43 +32,43 @@ static int innovator1610_panel_init(struct lcd_panel *panel, { int r = 0; - if (omap_request_gpio(14)) { + if (gpio_request(14, "lcd_en0")) { pr_err(MODULE_NAME ": can't request GPIO 14\n"); r = -1; goto exit; } - if (omap_request_gpio(15)) { + if (gpio_request(15, "lcd_en1")) { pr_err(MODULE_NAME ": can't request GPIO 15\n"); - omap_free_gpio(14); + gpio_free(14); r = -1; goto exit; } /* configure GPIO(14, 15) as outputs */ - omap_set_gpio_direction(14, 0); - omap_set_gpio_direction(15, 0); + gpio_direction_output(14, 0); + gpio_direction_output(15, 0); exit: return r; } static void innovator1610_panel_cleanup(struct lcd_panel *panel) { - omap_free_gpio(15); - omap_free_gpio(14); + gpio_free(15); + gpio_free(14); } static int innovator1610_panel_enable(struct lcd_panel *panel) { /* set GPIO14 and GPIO15 high */ - omap_set_gpio_dataout(14, 1); - omap_set_gpio_dataout(15, 1); + gpio_set_value(14, 1); + gpio_set_value(15, 1); return 0; } static void innovator1610_panel_disable(struct lcd_panel *panel) { /* set GPIO13, GPIO14 and GPIO15 low */ - omap_set_gpio_dataout(14, 0); - omap_set_gpio_dataout(15, 0); + gpio_set_value(14, 0); + gpio_set_value(15, 0); } static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel) diff --git a/drivers/video/omap/lcd_osk.c b/drivers/video/omap/lcd_osk.c index a4a725f427a4..379c96d36da5 100644 --- a/drivers/video/omap/lcd_osk.c +++ b/drivers/video/omap/lcd_osk.c @@ -29,6 +29,7 @@ static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) { + /* gpio2 was allocated in board init */ return 0; } @@ -47,11 +48,8 @@ static int osk_panel_enable(struct lcd_panel *panel) /* Set PWL level */ omap_writeb(0xFF, OMAP_PWL_ENABLE); - /* configure GPIO2 as output */ - omap_set_gpio_direction(2, 0); - - /* set GPIO2 high */ - omap_set_gpio_dataout(2, 1); + /* set GPIO2 high (lcd power enabled) */ + gpio_set_value(2, 1); return 0; } @@ -65,7 +63,7 @@ static void osk_panel_disable(struct lcd_panel *panel) omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); /* set GPIO2 low */ - omap_set_gpio_dataout(2, 0); + gpio_set_value(2, 0); } static unsigned long osk_panel_get_caps(struct lcd_panel *panel) diff --git a/drivers/video/omap/lcd_sx1.c b/drivers/video/omap/lcd_sx1.c index caa6a896cb8b..e55de201b8ff 100644 --- a/drivers/video/omap/lcd_sx1.c +++ b/drivers/video/omap/lcd_sx1.c @@ -81,21 +81,21 @@ static void epson_sendbyte(int flag, unsigned char byte) int i, shifter = 0x80; if (!flag) - omap_set_gpio_dataout(_A_LCD_SSC_A0, 0); + gpio_set_value(_A_LCD_SSC_A0, 0); mdelay(2); - omap_set_gpio_dataout(A_LCD_SSC_RD, 1); + gpio_set_value(A_LCD_SSC_RD, 1); - omap_set_gpio_dataout(A_LCD_SSC_SD, flag); + gpio_set_value(A_LCD_SSC_SD, flag); OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200); OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202); for (i = 0; i < 8; i++) { OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2200); - omap_set_gpio_dataout(A_LCD_SSC_SD, shifter & byte); + gpio_set_value(A_LCD_SSC_SD, shifter & byte); OMAP_MCBSP_WRITE(OMAP1510_MCBSP3_BASE, PCR0, 0x2202); shifter >>= 1; } - omap_set_gpio_dataout(_A_LCD_SSC_A0, 1); + gpio_set_value(_A_LCD_SSC_A0, 1); } static void init_system(void) @@ -107,25 +107,18 @@ static void init_system(void) static void setup_GPIO(void) { /* new wave */ - omap_request_gpio(A_LCD_SSC_RD); - omap_request_gpio(A_LCD_SSC_SD); - omap_request_gpio(_A_LCD_RESET); - omap_request_gpio(_A_LCD_SSC_CS); - omap_request_gpio(_A_LCD_SSC_A0); - - /* set all GPIOs to output */ - omap_set_gpio_direction(A_LCD_SSC_RD, 0); - omap_set_gpio_direction(A_LCD_SSC_SD, 0); - omap_set_gpio_direction(_A_LCD_RESET, 0); - omap_set_gpio_direction(_A_LCD_SSC_CS, 0); - omap_set_gpio_direction(_A_LCD_SSC_A0, 0); - - /* set GPIO data */ - omap_set_gpio_dataout(A_LCD_SSC_RD, 1); - omap_set_gpio_dataout(A_LCD_SSC_SD, 0); - omap_set_gpio_dataout(_A_LCD_RESET, 0); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_A0, 1); + gpio_request(A_LCD_SSC_RD, "lcd_ssc_rd"); + gpio_request(A_LCD_SSC_SD, "lcd_ssc_sd"); + gpio_request(_A_LCD_RESET, "lcd_reset"); + gpio_request(_A_LCD_SSC_CS, "lcd_ssc_cs"); + gpio_request(_A_LCD_SSC_A0, "lcd_ssc_a0"); + + /* set GPIOs to output, with initial data */ + gpio_direction_output(A_LCD_SSC_RD, 1); + gpio_direction_output(A_LCD_SSC_SD, 0); + gpio_direction_output(_A_LCD_RESET, 0); + gpio_direction_output(_A_LCD_SSC_CS, 1); + gpio_direction_output(_A_LCD_SSC_A0, 1); } static void display_init(void) @@ -139,61 +132,61 @@ static void display_init(void) mdelay(2); /* reset LCD */ - omap_set_gpio_dataout(A_LCD_SSC_SD, 1); + gpio_set_value(A_LCD_SSC_SD, 1); epson_sendbyte(0, 0x25); - omap_set_gpio_dataout(_A_LCD_RESET, 0); + gpio_set_value(_A_LCD_RESET, 0); mdelay(10); - omap_set_gpio_dataout(_A_LCD_RESET, 1); + gpio_set_value(_A_LCD_RESET, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); mdelay(2); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD, phase 1 */ epson_sendbyte(0, 0xCA); for (i = 0; i < 10; i++) epson_sendbyte(1, INIT_1[i]); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 2 */ epson_sendbyte(0, 0xCB); for (i = 0; i < 125; i++) epson_sendbyte(1, INIT_2[i]); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 2a */ epson_sendbyte(0, 0xCC); for (i = 0; i < 14; i++) epson_sendbyte(1, INIT_3[i]); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 3 */ epson_sendbyte(0, 0xBC); epson_sendbyte(1, 0x08); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 4 */ epson_sendbyte(0, 0x07); epson_sendbyte(1, 0x05); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 5 */ epson_sendbyte(0, 0x94); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 6 */ epson_sendbyte(0, 0xC6); epson_sendbyte(1, 0x80); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); mdelay(100); /* used to be 1000 */ - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 7 */ epson_sendbyte(0, 0x16); @@ -201,8 +194,8 @@ static void display_init(void) epson_sendbyte(1, 0x00); epson_sendbyte(1, 0xB1); epson_sendbyte(1, 0x00); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 8 */ epson_sendbyte(0, 0x76); @@ -210,12 +203,12 @@ static void display_init(void) epson_sendbyte(1, 0x00); epson_sendbyte(1, 0xDB); epson_sendbyte(1, 0x00); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 0); /* init LCD phase 9 */ epson_sendbyte(0, 0xAF); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); } static int sx1_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) @@ -231,18 +224,18 @@ static void sx1_panel_disable(struct lcd_panel *panel) { printk(KERN_INFO "SX1: LCD panel disable\n"); sx1_setmmipower(0); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); epson_sendbyte(0, 0x25); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 0); epson_sendbyte(0, 0xAE); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); mdelay(100); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 0); + gpio_set_value(_A_LCD_SSC_CS, 0); epson_sendbyte(0, 0x95); - omap_set_gpio_dataout(_A_LCD_SSC_CS, 1); + gpio_set_value(_A_LCD_SSC_CS, 1); } static int sx1_panel_enable(struct lcd_panel *panel) -- GitLab From 35e8bb5175c1a6ff6253f1a2acb30bfe52a2f500 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:16 -0700 Subject: [PATCH 5442/6244] gpiolib: request/free hooks Add a new internal mechanism to gpiolib to support low power operations by letting gpio_chip instances see when their GPIOs are in use. When no GPIOs are active, chips may be able to enter lower powered runtime states by disabling clocks and/or power domains. Signed-off-by: David Brownell Cc: "Magnus Damm" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/gpio.txt | 4 ++ drivers/gpio/gpiolib.c | 91 ++++++++++++++++++++++++++++++++------ include/asm-generic/gpio.h | 9 ++++ 3 files changed, 91 insertions(+), 13 deletions(-) diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt index 8a7c45956d24..b1b988701247 100644 --- a/Documentation/gpio.txt +++ b/Documentation/gpio.txt @@ -240,6 +240,10 @@ signal, or (b) something wrongly believes it's safe to remove drivers needed to manage a signal that's in active use. That is, requesting a GPIO can serve as a kind of lock. +Some platforms may also use knowledge about what GPIOs are active for +power management, such as by powering down unused chip sectors and, more +easily, gating off unused clocks. + These two calls are optional because not not all current Linux platforms offer such functionality in their GPIO support; a valid implementation could return success for all gpio_request() calls. Unlike the other calls, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 29a7e6b1be5d..9112830107a5 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -67,17 +67,28 @@ static inline void desc_set_label(struct gpio_desc *d, const char *label) * when setting direction, and otherwise illegal. Until board setup code * and drivers use explicit requests everywhere (which won't happen when * those calls have no teeth) we can't avoid autorequesting. This nag - * message should motivate switching to explicit requests... + * message should motivate switching to explicit requests... so should + * the weaker cleanup after faults, compared to gpio_request(). */ -static void gpio_ensure_requested(struct gpio_desc *desc) +static int gpio_ensure_requested(struct gpio_desc *desc, unsigned offset) { if (test_and_set_bit(FLAG_REQUESTED, &desc->flags) == 0) { - pr_warning("GPIO-%d autorequested\n", (int)(desc - gpio_desc)); + struct gpio_chip *chip = desc->chip; + int gpio = chip->base + offset; + + if (!try_module_get(chip->owner)) { + pr_err("GPIO-%d: module can't be gotten \n", gpio); + clear_bit(FLAG_REQUESTED, &desc->flags); + /* lose */ + return -EIO; + } + pr_warning("GPIO-%d autorequested\n", gpio); desc_set_label(desc, "[auto]"); - if (!try_module_get(desc->chip->owner)) - pr_err("GPIO-%d: module can't be gotten \n", - (int)(desc - gpio_desc)); + /* caller must chip->request() w/o spinlock */ + if (chip->request) + return 1; } + return 0; } /* caller holds gpio_lock *OR* gpio is marked as requested */ @@ -752,6 +763,7 @@ EXPORT_SYMBOL_GPL(gpiochip_remove); int gpio_request(unsigned gpio, const char *label) { struct gpio_desc *desc; + struct gpio_chip *chip; int status = -EINVAL; unsigned long flags; @@ -760,14 +772,15 @@ int gpio_request(unsigned gpio, const char *label) if (!gpio_is_valid(gpio)) goto done; desc = &gpio_desc[gpio]; - if (desc->chip == NULL) + chip = desc->chip; + if (chip == NULL) goto done; - if (!try_module_get(desc->chip->owner)) + if (!try_module_get(chip->owner)) goto done; /* NOTE: gpio_request() can be called in early boot, - * before IRQs are enabled. + * before IRQs are enabled, for non-sleeping (SOC) GPIOs. */ if (test_and_set_bit(FLAG_REQUESTED, &desc->flags) == 0) { @@ -775,7 +788,20 @@ int gpio_request(unsigned gpio, const char *label) status = 0; } else { status = -EBUSY; - module_put(desc->chip->owner); + module_put(chip->owner); + } + + if (chip->request) { + /* chip->request may sleep */ + spin_unlock_irqrestore(&gpio_lock, flags); + status = chip->request(chip, gpio - chip->base); + spin_lock_irqsave(&gpio_lock, flags); + + if (status < 0) { + desc_set_label(desc, NULL); + module_put(chip->owner); + clear_bit(FLAG_REQUESTED, &desc->flags); + } } done: @@ -791,6 +817,7 @@ void gpio_free(unsigned gpio) { unsigned long flags; struct gpio_desc *desc; + struct gpio_chip *chip; might_sleep(); @@ -804,9 +831,17 @@ void gpio_free(unsigned gpio) spin_lock_irqsave(&gpio_lock, flags); desc = &gpio_desc[gpio]; - if (desc->chip && test_and_clear_bit(FLAG_REQUESTED, &desc->flags)) { + chip = desc->chip; + if (chip && test_bit(FLAG_REQUESTED, &desc->flags)) { + if (chip->free) { + spin_unlock_irqrestore(&gpio_lock, flags); + might_sleep_if(extra_checks && chip->can_sleep); + chip->free(chip, gpio - chip->base); + spin_lock_irqsave(&gpio_lock, flags); + } desc_set_label(desc, NULL); module_put(desc->chip->owner); + clear_bit(FLAG_REQUESTED, &desc->flags); } else WARN_ON(extra_checks); @@ -871,7 +906,9 @@ int gpio_direction_input(unsigned gpio) gpio -= chip->base; if (gpio >= chip->ngpio) goto fail; - gpio_ensure_requested(desc); + status = gpio_ensure_requested(desc, gpio); + if (status < 0) + goto fail; /* now we know the gpio is valid and chip won't vanish */ @@ -879,9 +916,22 @@ int gpio_direction_input(unsigned gpio) might_sleep_if(extra_checks && chip->can_sleep); + if (status) { + status = chip->request(chip, gpio); + if (status < 0) { + pr_debug("GPIO-%d: chip request fail, %d\n", + chip->base + gpio, status); + /* and it's not available to anyone else ... + * gpio_request() is the fully clean solution. + */ + goto lose; + } + } + status = chip->direction_input(chip, gpio); if (status == 0) clear_bit(FLAG_IS_OUT, &desc->flags); +lose: return status; fail: spin_unlock_irqrestore(&gpio_lock, flags); @@ -909,7 +959,9 @@ int gpio_direction_output(unsigned gpio, int value) gpio -= chip->base; if (gpio >= chip->ngpio) goto fail; - gpio_ensure_requested(desc); + status = gpio_ensure_requested(desc, gpio); + if (status < 0) + goto fail; /* now we know the gpio is valid and chip won't vanish */ @@ -917,9 +969,22 @@ int gpio_direction_output(unsigned gpio, int value) might_sleep_if(extra_checks && chip->can_sleep); + if (status) { + status = chip->request(chip, gpio); + if (status < 0) { + pr_debug("GPIO-%d: chip request fail, %d\n", + chip->base + gpio, status); + /* and it's not available to anyone else ... + * gpio_request() is the fully clean solution. + */ + goto lose; + } + } + status = chip->direction_output(chip, gpio, value); if (status == 0) set_bit(FLAG_IS_OUT, &desc->flags); +lose: return status; fail: spin_unlock_irqrestore(&gpio_lock, flags); diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 04cb1d175df1..81797ec9ab29 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -35,6 +35,10 @@ struct module; * @label: for diagnostics * @dev: optional device providing the GPIOs * @owner: helps prevent removal of modules exporting active GPIOs + * @request: optional hook for chip-specific activation, such as + * enabling module power and clock; may sleep + * @free: optional hook for chip-specific deactivation, such as + * disabling module power and clock; may sleep * @direction_input: configures signal "offset" as input, or returns error * @get: returns value for signal "offset"; for output signals this * returns either the value actually sensed, or zero @@ -67,6 +71,11 @@ struct gpio_chip { struct device *dev; struct module *owner; + int (*request)(struct gpio_chip *chip, + unsigned offset); + void (*free)(struct gpio_chip *chip, + unsigned offset); + int (*direction_input)(struct gpio_chip *chip, unsigned offset); int (*get)(struct gpio_chip *chip, -- GitLab From 319fcb224d66a4702731ec13b8ac670ad1e923bf Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Wed, 15 Oct 2008 22:03:17 -0700 Subject: [PATCH 5443/6244] radeonfb: revert "Fix radeon DDC regression" The bug was in fb_ddc and was fixed by commit b64d70825abbf706bbe80be1b11b09514b71f45e (fb_ddc: fix DDC lines quirk) so the workaround in radeonfb can be removed now. Signed-off-by: Jean Delvare Cc: Benjamin Herrenschmidt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/aty/radeon_i2c.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/video/aty/radeon_i2c.c b/drivers/video/aty/radeon_i2c.c index 8c8fa35f1b7c..2c5567175dca 100644 --- a/drivers/video/aty/radeon_i2c.c +++ b/drivers/video/aty/radeon_i2c.c @@ -139,12 +139,8 @@ void radeon_delete_i2c_busses(struct radeonfb_info *rinfo) int radeon_probe_i2c_connector(struct radeonfb_info *rinfo, int conn, u8 **out_edid) { - u32 reg = rinfo->i2c[conn-1].ddc_reg; u8 *edid; - OUTREG(reg, INREG(reg) & - ~(VGA_DDC_DATA_OUTPUT | VGA_DDC_CLK_OUTPUT)); - edid = fb_ddc_read(&rinfo->i2c[conn-1].adapter); if (out_edid) -- GitLab From d15d56f9f10295a992cc7a7697d6fd8b01823cfc Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:17 -0700 Subject: [PATCH 5444/6244] neofb: reduce panning function Reduce panning function by deleting checks done by higher layer and folding remaining function into the called one. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/neofb.c | 35 +++++------------------------------ 1 file changed, 5 insertions(+), 30 deletions(-) diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 25172b2a2a94..6249960b9393 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -1186,8 +1186,11 @@ static int neofb_set_par(struct fb_info *info) return 0; } -static void neofb_update_start(struct fb_info *info, - struct fb_var_screeninfo *var) +/* + * Pan or Wrap the Display + */ +static int neofb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) { struct neofb_par *par = info->par; struct vgastate *state = &par->state; @@ -1216,35 +1219,7 @@ static void neofb_update_start(struct fb_info *info, vga_wgfx(state->vgabase, 0x0E, (((Base >> 16) & 0x0f) | (oldExtCRTDispAddr & 0xf0))); neoLock(state); -} -/* - * Pan or Wrap the Display - */ -static int neofb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - u_int y_bottom; - - y_bottom = var->yoffset; - - if (!(var->vmode & FB_VMODE_YWRAP)) - y_bottom += var->yres; - - if (var->xoffset > (var->xres_virtual - var->xres)) - return -EINVAL; - if (y_bottom > info->var.yres_virtual) - return -EINVAL; - - neofb_update_start(info, var); - - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - - if (var->vmode & FB_VMODE_YWRAP) - info->var.vmode |= FB_VMODE_YWRAP; - else - info->var.vmode &= ~FB_VMODE_YWRAP; return 0; } -- GitLab From 09a525ec1cf5a142f2e73f15527c169dafc6ff52 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:19 -0700 Subject: [PATCH 5445/6244] viafb: viafb.modes, viafb.txt Correct via_fb_ to viafb_ and remove the Kconfig part in viafb.txt. viafb.modes: supported mode table viafb.txt: documentation of viafb driver Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/fb/viafb.modes | 870 +++++++++++++++++++++++++++++++++++ Documentation/fb/viafb.txt | 214 +++++++++ 2 files changed, 1084 insertions(+) create mode 100644 Documentation/fb/viafb.modes create mode 100644 Documentation/fb/viafb.txt diff --git a/Documentation/fb/viafb.modes b/Documentation/fb/viafb.modes new file mode 100644 index 000000000000..02e5b487f00e --- /dev/null +++ b/Documentation/fb/viafb.modes @@ -0,0 +1,870 @@ +# +# +# These data are based on the CRTC parameters in +# +# VIA Integration Graphics Chip +# (C) 2004 VIA Technologies Inc. +# + +# +# 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) +# +# Horizontal Vertical +# Resolution 640 480 +# Scan Frequency 31.469 kHz 59.94 Hz +# Sync Width 3.813 us 0.064 ms +# 12 chars 2 lines +# Front Porch 0.636 us 0.318 ms +# 2 chars 10 lines +# Back Porch 1.907 us 1.048 ms +# 6 chars 33 lines +# Active Time 25.422 us 15.253 ms +# 80 chars 480 lines +# Blank Time 6.356 us 1.430 ms +# 20 chars 45 lines +# Polarity negative negative +# + +mode "640x480-60" +# D: 25.175 MHz, H: 31.469 kHz, V: 59.94 Hz + geometry 640 480 640 480 32 + timings 39722 48 16 33 10 96 2 endmode mode "480x640-60" +# D: 24.823 MHz, H: 39.780 kHz, V: 60.00 Hz + geometry 480 640 480 640 32 timings 39722 72 24 19 1 48 3 endmode +# +# 640x480, 75 Hz, Non-Interlaced (31.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 640 480 +# Scan Frequency 37.500 kHz 75.00 Hz +# Sync Width 2.032 us 0.080 ms +# 8 chars 3 lines +# Front Porch 0.508 us 0.027 ms +# 2 chars 1 lines +# Back Porch 3.810 us 0.427 ms +# 15 chars 16 lines +# Active Time 20.317 us 12.800 ms +# 80 chars 480 lines +# Blank Time 6.349 us 0.533 ms +# 25 chars 20 lines +# Polarity negative negative +# + mode "640x480-75" +# D: 31.50 MHz, H: 37.500 kHz, V: 75.00 Hz + geometry 640 480 640 480 32 timings 31747 120 16 16 1 64 3 endmode +# +# 640x480, 85 Hz, Non-Interlaced (36.000 MHz dotclock) +# +# Horizontal Vertical +# Resolution 640 480 +# Scan Frequency 43.269 kHz 85.00 Hz +# Sync Width 1.556 us 0.069 ms +# 7 chars 3 lines +# Front Porch 1.556 us 0.023 ms +# 7 chars 1 lines +# Back Porch 2.222 us 0.578 ms +# 10 chars 25 lines +# Active Time 17.778 us 11.093 ms +# 80 chars 480 lines +# Blank Time 5.333 us 0.670 ms +# 24 chars 29 lines +# Polarity negative negative +# + mode "640x480-85" +# D: 36.000 MHz, H: 43.269 kHz, V: 85.00 Hz + geometry 640 480 640 480 32 timings 27777 80 56 25 1 56 3 endmode +# +# 640x480, 100 Hz, Non-Interlaced (43.163 MHz dotclock) +# +# Horizontal Vertical +# Resolution 640 480 +# Scan Frequency 50.900 kHz 100.00 Hz +# Sync Width 1.483 us 0.058 ms +# 8 chars 3 lines +# Front Porch 0.927 us 0.019 ms +# 5 chars 1 lines +# Back Porch 2.409 us 0.475 ms +# 13 chars 25 lines +# Active Time 14.827 us 9.430 ms +# 80 chars 480 lines +# Blank Time 4.819 us 0.570 ms +# 26 chars 29 lines +# Polarity positive positive +# + mode "640x480-100" +# D: 43.163 MHz, H: 50.900 kHz, V: 100.00 Hz + geometry 640 480 640 480 32 timings 23168 104 40 25 1 64 3 endmode +# +# 640x480, 120 Hz, Non-Interlaced (52.406 MHz dotclock) +# +# Horizontal Vertical +# Resolution 640 480 +# Scan Frequency 61.800 kHz 120.00 Hz +# Sync Width 1.221 us 0.048 ms +# 8 chars 3 lines +# Front Porch 0.763 us 0.016 ms +# 5 chars 1 lines +# Back Porch 1.984 us 0.496 ms +# 13 chars 31 lines +# Active Time 12.212 us 7.767 ms +# 80 chars 480 lines +# Blank Time 3.969 us 0.566 ms +# 26 chars 35 lines +# Polarity positive positive +# + mode "640x480-120" +# D: 52.406 MHz, H: 61.800 kHz, V: 120.00 Hz + geometry 640 480 640 480 32 timings 19081 104 40 31 1 64 3 endmode +# +# 720x480, 60 Hz, Non-Interlaced (26.880 MHz dotclock) +# +# Horizontal Vertical +# Resolution 720 480 +# Scan Frequency 30.000 kHz 60.241 Hz +# Sync Width 2.679 us 0.099 ms +# 9 chars 3 lines +# Front Porch 0.595 us 0.033 ms +# 2 chars 1 lines +# Back Porch 3.274 us 0.462 ms +# 11 chars 14 lines +# Active Time 26.786 us 16.000 ms +# 90 chars 480 lines +# Blank Time 6.548 us 0.600 ms +# 22 chars 18 lines +# Polarity positive positive +# + mode "720x480-60" +# D: 26.880 MHz, H: 30.000 kHz, V: 60.24 Hz + geometry 720 480 720 480 32 timings 37202 88 16 14 1 72 3 endmode +# +# 800x480, 60 Hz, Non-Interlaced (29.581 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 480 +# Scan Frequency 29.892 kHz 60.00 Hz +# Sync Width 2.704 us 100.604 us +# 10 chars 3 lines +# Front Porch 0.541 us 33.535 us +# 2 chars 1 lines +# Back Porch 3.245 us 435.949 us +# 12 chars 13 lines +# Active Time 27.044 us 16.097 ms +# 100 chars 480 lines +# Blank Time 6.491 us 0.570 ms +# 24 chars 17 lines +# Polarity positive positive +# + mode "800x480-60" +# D: 29.500 MHz, H: 29.738 kHz, V: 60.00 Hz + geometry 800 480 800 480 32 timings 33805 96 24 10 3 72 7 endmode +# +# 720x576, 60 Hz, Non-Interlaced (32.668 MHz dotclock) +# +# Horizontal Vertical +# Resolution 720 576 +# Scan Frequency 35.820 kHz 60.00 Hz +# Sync Width 2.204 us 0.083 ms +# 9 chars 3 lines +# Front Porch 0.735 us 0.027 ms +# 3 chars 1 lines +# Back Porch 2.939 us 0.459 ms +# 12 chars 17 lines +# Active Time 22.040 us 16.080 ms +# 90 chars 476 lines +# Blank Time 5.877 us 0.586 ms +# 24 chars 21 lines +# Polarity positive positive +# + mode "720x576-60" +# D: 32.668 MHz, H: 35.820 kHz, V: 60.00 Hz + geometry 720 576 720 576 32 timings 30611 96 24 17 1 72 3 endmode +# +# 800x600, 60 Hz, Non-Interlaced (40.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 600 +# Scan Frequency 37.879 kHz 60.32 Hz +# Sync Width 3.200 us 0.106 ms +# 16 chars 4 lines +# Front Porch 1.000 us 0.026 ms +# 5 chars 1 lines +# Back Porch 2.200 us 0.607 ms +# 11 chars 23 lines +# Active Time 20.000 us 15.840 ms +# 100 chars 600 lines +# Blank Time 6.400 us 0.739 ms +# 32 chars 28 lines +# Polarity positive positive +# + mode "800x600-60" +# D: 40.00 MHz, H: 37.879 kHz, V: 60.32 Hz + geometry 800 600 800 600 32 + timings 25000 88 40 23 1 128 4 hsync high vsync high endmode +# +# 800x600, 75 Hz, Non-Interlaced (49.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 600 +# Scan Frequency 46.875 kHz 75.00 Hz +# Sync Width 1.616 us 0.064 ms +# 10 chars 3 lines +# Front Porch 0.323 us 0.021 ms +# 2 chars 1 lines +# Back Porch 3.232 us 0.448 ms +# 20 chars 21 lines +# Active Time 16.162 us 12.800 ms +# 100 chars 600 lines +# Blank Time 5.172 us 0.533 ms +# 32 chars 25 lines +# Polarity positive positive +# + mode "800x600-75" +# D: 49.50 MHz, H: 46.875 kHz, V: 75.00 Hz + geometry 800 600 800 600 32 + timings 20203 160 16 21 1 80 3 hsync high vsync high endmode +# +# 800x600, 85 Hz, Non-Interlaced (56.25 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 600 +# Scan Frequency 53.674 kHz 85.061 Hz +# Sync Width 1.138 us 0.056 ms +# 8 chars 3 lines +# Front Porch 0.569 us 0.019 ms +# 4 chars 1 lines +# Back Porch 2.702 us 0.503 ms +# 19 chars 27 lines +# Active Time 14.222 us 11.179 ms +# 100 chars 600 lines +# Blank Time 4.409 us 0.578 ms +# 31 chars 31 lines +# Polarity positive positive +# + mode "800x600-85" +# D: 56.25 MHz, H: 53.674 kHz, V: 85.061 Hz + geometry 800 600 800 600 32 + timings 17777 152 32 27 1 64 3 hsync high vsync high endmode +# +# 800x600, 100 Hz, Non-Interlaced (67.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 600 +# Scan Frequency 62.500 kHz 100.00 Hz +# Sync Width 0.948 us 0.064 ms +# 8 chars 4 lines +# Front Porch 0.000 us 0.112 ms +# 0 chars 7 lines +# Back Porch 3.200 us 0.224 ms +# 27 chars 14 lines +# Active Time 11.852 us 9.600 ms +# 100 chars 600 lines +# Blank Time 4.148 us 0.400 ms +# 35 chars 25 lines +# Polarity positive positive +# + mode "800x600-100" +# D: 67.50 MHz, H: 62.500 kHz, V: 100.00 Hz + geometry 800 600 800 600 32 + timings 14667 216 0 14 7 64 4 hsync high vsync high endmode +# +# 800x600, 120 Hz, Non-Interlaced (83.950 MHz dotclock) +# +# Horizontal Vertical +# Resolution 800 600 +# Scan Frequency 77.160 kHz 120.00 Hz +# Sync Width 1.048 us 0.039 ms +# 11 chars 3 lines +# Front Porch 0.667 us 0.013 ms +# 7 chars 1 lines +# Back Porch 1.715 us 0.507 ms +# 18 chars 39 lines +# Active Time 9.529 us 7.776 ms +# 100 chars 600 lines +# Blank Time 3.431 us 0.557 ms +# 36 chars 43 lines +# Polarity positive positive +# + mode "800x600-120" +# D: 83.950 MHz, H: 77.160 kHz, V: 120.00 Hz + geometry 800 600 800 600 32 + timings 11912 144 56 39 1 88 3 hsync high vsync high endmode +# +# 848x480, 60 Hz, Non-Interlaced (31.490 MHz dotclock) +# +# Horizontal Vertical +# Resolution 848 480 +# Scan Frequency 29.820 kHz 60.00 Hz +# Sync Width 2.795 us 0.099 ms +# 11 chars 3 lines +# Front Porch 0.508 us 0.033 ms +# 2 chars 1 lines +# Back Porch 3.303 us 0.429 ms +# 13 chars 13 lines +# Active Time 26.929 us 16.097 ms +# 106 chars 480 lines +# Blank Time 6.605 us 0.570 ms +# 26 chars 17 lines +# Polarity positive positive +# + mode "848x480-60" +# D: 31.500 MHz, H: 29.830 kHz, V: 60.00 Hz + geometry 848 480 848 480 32 + timings 31746 104 24 12 3 80 5 hsync high vsync high endmode +# +# 856x480, 60 Hz, Non-Interlaced (31.728 MHz dotclock) +# +# Horizontal Vertical +# Resolution 856 480 +# Scan Frequency 29.820 kHz 60.00 Hz +# Sync Width 2.774 us 0.099 ms +# 11 chars 3 lines +# Front Porch 0.504 us 0.033 ms +# 2 chars 1 lines +# Back Porch 3.728 us 0.429 ms +# 13 chars 13 lines +# Active Time 26.979 us 16.097 ms +# 107 chars 480 lines +# Blank Time 6.556 us 0.570 ms +# 26 chars 17 lines +# Polarity positive positive +# + mode "856x480-60" +# D: 31.728 MHz, H: 29.820 kHz, V: 60.00 Hz + geometry 856 480 856 480 32 + timings 31518 104 16 13 1 88 3 + hsync high vsync high endmode mode "960x600-60" +# D: 45.250 MHz, H: 37.212 kHz, V: 60.00 Hz + geometry 960 600 960 600 32 timings 22099 128 32 15 3 96 6 endmode +# +# 1000x600, 60 Hz, Non-Interlaced (48.068 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1000 600 +# Scan Frequency 37.320 kHz 60.00 Hz +# Sync Width 2.164 us 0.080 ms +# 13 chars 3 lines +# Front Porch 0.832 us 0.027 ms +# 5 chars 1 lines +# Back Porch 2.996 us 0.483 ms +# 18 chars 18 lines +# Active Time 20.804 us 16.077 ms +# 125 chars 600 lines +# Blank Time 5.991 us 0.589 ms +# 36 chars 22 lines +# Polarity negative positive +# + mode "1000x600-60" +# D: 48.068 MHz, H: 37.320 kHz, V: 60.00 Hz + geometry 1000 600 1000 600 32 + timings 20834 144 40 18 1 104 3 endmode mode "1024x576-60" +# D: 46.996 MHz, H: 35.820 kHz, V: 60.00 Hz + geometry 1024 576 1024 576 32 + timings 21278 144 40 17 1 104 3 endmode mode "1024x600-60" +# D: 48.964 MHz, H: 37.320 kHz, V: 60.00 Hz + geometry 1024 600 1024 600 32 + timings 20461 144 40 18 1 104 3 endmode mode "1088x612-60" +# D: 52.952 MHz, H: 38.040 kHz, V: 60.00 Hz + geometry 1088 612 1088 612 32 timings 18877 152 48 16 3 104 5 endmode +# +# 1024x512, 60 Hz, Non-Interlaced (41.291 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 512 +# Scan Frequency 31.860 kHz 60.00 Hz +# Sync Width 2.519 us 0.094 ms +# 13 chars 3 lines +# Front Porch 0.775 us 0.031 ms +# 4 chars 1 lines +# Back Porch 3.294 us 0.465 ms +# 17 chars 15 lines +# Active Time 24.800 us 16.070 ms +# 128 chars 512 lines +# Blank Time 6.587 us 0.596 ms +# 34 chars 19 lines +# Polarity positive positive +# + mode "1024x512-60" +# D: 41.291 MHz, H: 31.860 kHz, V: 60.00 Hz + geometry 1024 512 1024 512 32 + timings 24218 126 32 15 1 104 3 hsync high vsync high endmode +# +# 1024x600, 60 Hz, Non-Interlaced (48.875 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 768 +# Scan Frequency 37.252 kHz 60.00 Hz +# Sync Width 2.128 us 80.532us +# 13 chars 3 lines +# Front Porch 0.818 us 26.844 us +# 5 chars 1 lines +# Back Porch 2.946 us 483.192 us +# 18 chars 18 lines +# Active Time 20.951 us 16.697 ms +# 128 chars 622 lines +# Blank Time 5.893 us 0.591 ms +# 36 chars 22 lines +# Polarity negative positive +# +#mode "1024x600-60" +# # D: 48.875 MHz, H: 37.252 kHz, V: 60.00 Hz +# geometry 1024 600 1024 600 32 +# timings 20460 144 40 18 1 104 3 +# endmode +# +# 1024x768, 60 Hz, Non-Interlaced (65.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 768 +# Scan Frequency 48.363 kHz 60.00 Hz +# Sync Width 2.092 us 0.124 ms +# 17 chars 6 lines +# Front Porch 0.369 us 0.062 ms +# 3 chars 3 lines +# Back Porch 2.462 us 0.601 ms +# 20 chars 29 lines +# Active Time 15.754 us 15.880 ms +# 128 chars 768 lines +# Blank Time 4.923 us 0.786 ms +# 40 chars 38 lines +# Polarity negative negative +# + mode "1024x768-60" +# D: 65.00 MHz, H: 48.363 kHz, V: 60.00 Hz + geometry 1024 768 1024 768 32 timings 15385 160 24 29 3 136 6 endmode +# +# 1024x768, 75 Hz, Non-Interlaced (78.75 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 768 +# Scan Frequency 60.023 kHz 75.03 Hz +# Sync Width 1.219 us 0.050 ms +# 12 chars 3 lines +# Front Porch 0.203 us 0.017 ms +# 2 chars 1 lines +# Back Porch 2.235 us 0.466 ms +# 22 chars 28 lines +# Active Time 13.003 us 12.795 ms +# 128 chars 768 lines +# Blank Time 3.657 us 0.533 ms +# 36 chars 32 lines +# Polarity positive positive +# + mode "1024x768-75" +# D: 78.75 MHz, H: 60.023 kHz, V: 75.03 Hz + geometry 1024 768 1024 768 32 + timings 12699 176 16 28 1 96 3 hsync high vsync high endmode +# +# 1024x768, 85 Hz, Non-Interlaced (94.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 768 +# Scan Frequency 68.677 kHz 85.00 Hz +# Sync Width 1.016 us 0.044 ms +# 12 chars 3 lines +# Front Porch 0.508 us 0.015 ms +# 6 chars 1 lines +# Back Porch 2.201 us 0.524 ms +# 26 chars 36 lines +# Active Time 10.836 us 11.183 ms +# 128 chars 768 lines +# Blank Time 3.725 us 0.582 ms +# 44 chars 40 lines +# Polarity positive positive +# + mode "1024x768-85" +# D: 94.50 MHz, H: 68.677 kHz, V: 85.00 Hz + geometry 1024 768 1024 768 32 + timings 10582 208 48 36 1 96 3 hsync high vsync high endmode +# +# 1024x768, 100 Hz, Non-Interlaced (110.0 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1024 768 +# Scan Frequency 79.023 kHz 99.78 Hz +# Sync Width 0.800 us 0.101 ms +# 11 chars 8 lines +# Front Porch 0.000 us 0.000 ms +# 0 chars 0 lines +# Back Porch 2.545 us 0.202 ms +# 35 chars 16 lines +# Active Time 9.309 us 9.719 ms +# 128 chars 768 lines +# Blank Time 3.345 us 0.304 ms +# 46 chars 24 lines +# Polarity negative negative +# + mode "1024x768-100" +# D: 113.3 MHz, H: 79.023 kHz, V: 99.78 Hz + geometry 1024 768 1024 768 32 + timings 8825 280 0 16 0 88 8 endmode mode "1152x720-60" +# D: 66.750 MHz, H: 44.859 kHz, V: 60.00 Hz + geometry 1152 720 1152 720 32 timings 14981 168 56 19 3 112 6 endmode +# +# 1152x864, 75 Hz, Non-Interlaced (110.0 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1152 864 +# Scan Frequency 75.137 kHz 74.99 Hz +# Sync Width 1.309 us 0.106 ms +# 18 chars 8 lines +# Front Porch 0.245 us 0.599 ms +# 3 chars 45 lines +# Back Porch 1.282 us 1.132 ms +# 18 chars 85 lines +# Active Time 10.473 us 11.499 ms +# 144 chars 864 lines +# Blank Time 2.836 us 1.837 ms +# 39 chars 138 lines +# Polarity positive positive +# + mode "1152x864-75" +# D: 110.0 MHz, H: 75.137 kHz, V: 74.99 Hz + geometry 1152 864 1152 864 32 + timings 9259 144 24 85 45 144 8 + hsync high vsync high endmode mode "1200x720-60" +# D: 70.184 MHz, H: 44.760 kHz, V: 60.00 Hz + geometry 1200 720 1200 720 32 + timings 14253 184 28 22 1 128 3 endmode mode "1280x600-60" +# D: 61.503 MHz, H: 37.320 kHz, V: 60.00 Hz + geometry 1280 600 1280 600 32 + timings 16260 184 28 18 1 128 3 endmode mode "1280x720-50" +# D: 60.466 MHz, H: 37.050 kHz, V: 50.00 Hz + geometry 1280 720 1280 720 32 + timings 16538 176 48 17 1 128 3 endmode mode "1280x768-50" +# D: 65.178 MHz, H: 39.550 kHz, V: 50.00 Hz + geometry 1280 768 1280 768 32 timings 15342 184 28 19 1 128 3 endmode +# +# 1280x768, 60 Hz, Non-Interlaced (80.136 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 768 +# Scan Frequency 47.700 kHz 60.00 Hz +# Sync Width 1.697 us 0.063 ms +# 17 chars 3 lines +# Front Porch 0.799 us 0.021 ms +# 8 chars 1 lines +# Back Porch 2.496 us 0.483 ms +# 25 chars 23 lines +# Active Time 15.973 us 16.101 ms +# 160 chars 768 lines +# Blank Time 4.992 us 0.566 ms +# 50 chars 27 lines +# Polarity positive positive +# + mode "1280x768-60" +# D: 80.13 MHz, H: 47.700 kHz, V: 60.00 Hz + geometry 1280 768 1280 768 32 + timings 12480 200 48 23 1 126 3 hsync high vsync high endmode +# +# 1280x800, 60 Hz, Non-Interlaced (83.375 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 800 +# Scan Frequency 49.628 kHz 60.00 Hz +# Sync Width 1.631 us 60.450 us +# 17 chars 3 lines +# Front Porch 0.768 us 20.15 us +# 8 chars 1 lines +# Back Porch 2.399 us 0.483 ms +# 25 chars 24 lines +# Active Time 15.352 us 16.120 ms +# 160 chars 800 lines +# Blank Time 4.798 us 0.564 ms +# 50 chars 28 lines +# Polarity negtive positive +# + mode "1280x800-60" +# D: 83.500 MHz, H: 49.702 kHz, V: 60.00 Hz + geometry 1280 800 1280 800 32 timings 11994 200 72 22 3 128 6 endmode +# +# 1280x960, 60 Hz, Non-Interlaced (108.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 960 +# Scan Frequency 60.000 kHz 60.00 Hz +# Sync Width 1.037 us 0.050 ms +# 14 chars 3 lines +# Front Porch 0.889 us 0.017 ms +# 12 chars 1 lines +# Back Porch 2.889 us 0.600 ms +# 39 chars 36 lines +# Active Time 11.852 us 16.000 ms +# 160 chars 960 lines +# Blank Time 4.815 us 0.667 ms +# 65 chars 40 lines +# Polarity positive positive +# + mode "1280x960-60" +# D: 108.00 MHz, H: 60.000 kHz, V: 60.00 Hz + geometry 1280 960 1280 960 32 + timings 9259 312 96 36 1 112 3 hsync high vsync high endmode +# +# 1280x1024, 60 Hz, Non-Interlaced (108.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 1024 +# Scan Frequency 63.981 kHz 60.02 Hz +# Sync Width 1.037 us 0.047 ms +# 14 chars 3 lines +# Front Porch 0.444 us 0.015 ms +# 6 chars 1 lines +# Back Porch 2.297 us 0.594 ms +# 31 chars 38 lines +# Active Time 11.852 us 16.005 ms +# 160 chars 1024 lines +# Blank Time 3.778 us 0.656 ms +# 51 chars 42 lines +# Polarity positive positive +# + mode "1280x1024-60" +# D: 108.00 MHz, H: 63.981 kHz, V: 60.02 Hz + geometry 1280 1024 1280 1024 32 + timings 9260 248 48 38 1 112 3 hsync high vsync high endmode +# +# 1280x1024, 75 Hz, Non-Interlaced (135.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 1024 +# Scan Frequency 79.976 kHz 75.02 Hz +# Sync Width 1.067 us 0.038 ms +# 18 chars 3 lines +# Front Porch 0.119 us 0.012 ms +# 2 chars 1 lines +# Back Porch 1.837 us 0.475 ms +# 31 chars 38 lines +# Active Time 9.481 us 12.804 ms +# 160 chars 1024 lines +# Blank Time 3.022 us 0.525 ms +# 51 chars 42 lines +# Polarity positive positive +# + mode "1280x1024-75" +# D: 135.00 MHz, H: 79.976 kHz, V: 75.02 Hz + geometry 1280 1024 1280 1024 32 + timings 7408 248 16 38 1 144 3 hsync high vsync high endmode +# +# 1280x1024, 85 Hz, Non-Interlaced (157.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 1024 +# Scan Frequency 91.146 kHz 85.02 Hz +# Sync Width 1.016 us 0.033 ms +# 20 chars 3 lines +# Front Porch 0.406 us 0.011 ms +# 8 chars 1 lines +# Back Porch 1.422 us 0.483 ms +# 28 chars 44 lines +# Active Time 8.127 us 11.235 ms +# 160 chars 1024 lines +# Blank Time 2.844 us 0.527 ms +# 56 chars 48 lines +# Polarity positive positive +# + mode "1280x1024-85" +# D: 157.50 MHz, H: 91.146 kHz, V: 85.02 Hz + geometry 1280 1024 1280 1024 32 + timings 6349 224 64 44 1 160 3 + hsync high vsync high endmode mode "1440x900-60" +# D: 106.500 MHz, H: 55.935 kHz, V: 60.00 Hz + geometry 1440 900 1440 900 32 + timings 9390 232 80 25 3 152 6 + hsync high vsync high endmode mode "1440x900-75" +# D: 136.750 MHz, H: 70.635 kHz, V: 75.00 Hz + geometry 1440 900 1440 900 32 + timings 7315 248 96 33 3 152 6 hsync high vsync high endmode +# +# 1440x1050, 60 Hz, Non-Interlaced (125.10 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1440 1050 +# Scan Frequency 65.220 kHz 60.00 Hz +# Sync Width 1.204 us 0.046 ms +# 19 chars 3 lines +# Front Porch 0.760 us 0.015 ms +# 12 chars 1 lines +# Back Porch 1.964 us 0.495 ms +# 31 chars 33 lines +# Active Time 11.405 us 16.099 ms +# 180 chars 1050 lines +# Blank Time 3.928 us 0.567 ms +# 62 chars 37 lines +# Polarity positive positive +# + mode "1440x1050-60" +# D: 125.10 MHz, H: 65.220 kHz, V: 60.00 Hz + geometry 1440 1050 1440 1050 32 + timings 7993 248 96 33 1 152 3 + hsync high vsync high endmode mode "1600x900-60" +# D: 118.250 MHz, H: 55.990 kHz, V: 60.00 Hz + geometry 1600 900 1600 900 32 + timings 8415 256 88 26 3 168 5 endmode mode "1600x1024-60" +# D: 136.358 MHz, H: 63.600 kHz, V: 60.00 Hz + geometry 1600 1024 1600 1024 32 timings 7315 272 104 32 1 168 3 endmode +# +# 1600x1200, 60 Hz, Non-Interlaced (156.00 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1600 1200 +# Scan Frequency 76.200 kHz 60.00 Hz +# Sync Width 1.026 us 0.105 ms +# 20 chars 8 lines +# Front Porch 0.205 us 0.131 ms +# 4 chars 10 lines +# Back Porch 1.636 us 0.682 ms +# 32 chars 52 lines +# Active Time 10.256 us 15.748 ms +# 200 chars 1200 lines +# Blank Time 2.872 us 0.866 ms +# 56 chars 66 lines +# Polarity negative negative +# + mode "1600x1200-60" +# D: 156.00 MHz, H: 76.200 kHz, V: 60.00 Hz + geometry 1600 1200 1600 1200 32 timings 6172 256 32 52 10 160 8 endmode +# +# 1600x1200, 75 Hz, Non-Interlaced (202.50 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1600 1200 +# Scan Frequency 93.750 kHz 75.00 Hz +# Sync Width 0.948 us 0.032 ms +# 24 chars 3 lines +# Front Porch 0.316 us 0.011 ms +# 8 chars 1 lines +# Back Porch 1.501 us 0.491 ms +# 38 chars 46 lines +# Active Time 7.901 us 12.800 ms +# 200 chars 1200 lines +# Blank Time 2.765 us 0.533 ms +# 70 chars 50 lines +# Polarity positive positive +# + mode "1600x1200-75" +# D: 202.50 MHz, H: 93.750 kHz, V: 75.00 Hz + geometry 1600 1200 1600 1200 32 + timings 4938 304 64 46 1 192 3 + hsync high vsync high endmode mode "1680x1050-60" +# D: 146.250 MHz, H: 65.290 kHz, V: 59.954 Hz + geometry 1680 1050 1680 1050 32 + timings 6814 280 104 30 3 176 6 + hsync high vsync high endmode mode "1680x1050-75" +# D: 187.000 MHz, H: 82.306 kHz, V: 74.892 Hz + geometry 1680 1050 1680 1050 32 + timings 5348 296 120 40 3 176 6 + hsync high vsync high endmode mode "1792x1344-60" +# D: 202.975 MHz, H: 83.460 kHz, V: 60.00 Hz + geometry 1792 1344 1792 1344 32 + timings 4902 320 128 43 1 192 3 + hsync high vsync high endmode mode "1856x1392-60" +# D: 218.571 MHz, H: 86.460 kHz, V: 60.00 Hz + geometry 1856 1392 1856 1392 32 + timings 4577 336 136 45 1 200 3 + hsync high vsync high endmode mode "1920x1200-60" +# D: 193.250 MHz, H: 74.556 kHz, V: 60.00 Hz + geometry 1920 1200 1920 1200 32 + timings 5173 336 136 36 3 200 6 + hsync high vsync high endmode mode "1920x1440-60" +# D: 234.000 MHz, H:90.000 kHz, V: 60.00 Hz + geometry 1920 1440 1920 1440 32 + timings 4274 344 128 56 1 208 3 + hsync high vsync high endmode mode "1920x1440-75" +# D: 297.000 MHz, H:112.500 kHz, V: 75.00 Hz + geometry 1920 1440 1920 1440 32 + timings 3367 352 144 56 1 224 3 + hsync high vsync high endmode mode "2048x1536-60" +# D: 267.250 MHz, H: 95.446 kHz, V: 60.00 Hz + geometry 2048 1536 2048 1536 32 + timings 3742 376 152 49 3 224 4 hsync high vsync high endmode +# +# 1280x720, 60 Hz, Non-Interlaced (74.481 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1280 720 +# Scan Frequency 44.760 kHz 60.00 Hz +# Sync Width 1.826 us 67.024 ms +# 17 chars 3 lines +# Front Porch 0.752 us 22.341 ms +# 7 chars 1 lines +# Back Porch 2.578 us 491.510 ms +# 24 chars 22 lines +# Active Time 17.186 us 16.086 ms +# 160 chars 720 lines +# Blank Time 5.156 us 0.581 ms +# 48 chars 26 lines +# Polarity negative negative +# + mode "1280x720-60" +# D: 74.481 MHz, H: 44.760 kHz, V: 60.00 Hz + geometry 1280 720 1280 720 32 timings 13426 192 64 22 1 136 3 endmode +# +# 1920x1080, 60 Hz, Non-Interlaced (172.798 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1920 1080 +# Scan Frequency 67.080 kHz 60.00 Hz +# Sync Width 1.204 us 44.723 ms +# 26 chars 3 lines +# Front Porch 0.694 us 14.908 ms +# 15 chars 1 lines +# Back Porch 1.898 us 506.857 ms +# 41 chars 34 lines +# Active Time 11.111 us 16.100 ms +# 240 chars 1080 lines +# Blank Time 3.796 us 0.566 ms +# 82 chars 38 lines +# Polarity negative negative +# + mode "1920x1080-60" +# D: 74.481 MHz, H: 67.080 kHz, V: 60.00 Hz + geometry 1920 1080 1920 1080 32 timings 5787 328 120 34 1 208 3 endmode +# +# 1400x1050, 60 Hz, Non-Interlaced (122.61 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1400 1050 +# Scan Frequency 65.218 kHz 59.99 Hz +# Sync Width 1.037 us 0.047 ms +# 19 chars 3 lines +# Front Porch 0.444 us 0.015 ms +# 11 chars 1 lines +# Back Porch 1.185 us 0.188 ms +# 30 chars 33 lines +# Active Time 12.963 us 16.411 ms +# 175 chars 1050 lines +# Blank Time 2.667 us 0.250 ms +# 60 chars 37 lines +# Polarity negative positive +# + mode "1400x1050-60" +# D: 122.750 MHz, H: 65.317 kHz, V: 59.99 Hz + geometry 1400 1050 1408 1050 32 + timings 8214 232 88 32 3 144 4 endmode mode "1400x1050-75" +# D: 156.000 MHz, H: 82.278 kHz, V: 74.867 Hz + geometry 1400 1050 1408 1050 32 timings 6410 248 104 42 3 144 4 endmode +# +# 1366x768, 60 Hz, Non-Interlaced (85.86 MHz dotclock) +# +# Horizontal Vertical +# Resolution 1366 768 +# Scan Frequency 47.700 kHz 60.00 Hz +# Sync Width 1.677 us 0.063 ms +# 18 chars 3 lines +# Front Porch 0.839 us 0.021 ms +# 9 chars 1 lines +# Back Porch 2.516 us 0.482 ms +# 27 chars 23 lines +# Active Time 15.933 us 16.101 ms +# 171 chars 768 lines +# Blank Time 5.031 us 0.566 ms +# 54 chars 27 lines +# Polarity negative positive +# + mode "1360x768-60" +# D: 84.750 MHz, H: 47.720 kHz, V: 60.00 Hz + geometry 1360 768 1360 768 32 + timings 11799 208 72 22 3 136 5 endmode mode "1366x768-60" +# D: 85.86 MHz, H: 47.700 kHz, V: 60.00 Hz + geometry 1366 768 1366 768 32 + timings 11647 216 72 23 1 144 3 endmode mode "1366x768-50" +# D: 69,924 MHz, H: 39.550 kHz, V: 50.00 Hz + geometry 1366 768 1366 768 32 timings 14301 200 56 19 1 144 3 endmode diff --git a/Documentation/fb/viafb.txt b/Documentation/fb/viafb.txt new file mode 100644 index 000000000000..67dbf442b0b6 --- /dev/null +++ b/Documentation/fb/viafb.txt @@ -0,0 +1,214 @@ + + VIA Integration Graphic Chip Console Framebuffer Driver + +[Platform] +----------------------- + The console framebuffer driver is for graphics chips of + VIA UniChrome Family(CLE266, PM800 / CN400 / CN300, + P4M800CE / P4M800Pro / CN700 / VN800, + CX700 / VX700, K8M890, P4M890, + CN896 / P4M900, VX800) + +[Driver features] +------------------------ + Device: CRT, LCD, DVI + + Support viafb_mode: + CRT: + 640x480(60, 75, 85, 100, 120 Hz), 720x480(60 Hz), + 720x576(60 Hz), 800x600(60, 75, 85, 100, 120 Hz), + 848x480(60 Hz), 856x480(60 Hz), 1024x512(60 Hz), + 1024x768(60, 75, 85, 100 Hz), 1152x864(75 Hz), + 1280x768(60 Hz), 1280x960(60 Hz), 1280x1024(60, 75, 85 Hz), + 1440x1050(60 Hz), 1600x1200(60, 75 Hz), 1280x720(60 Hz), + 1920x1080(60 Hz), 1400x1050(60 Hz), 800x480(60 Hz) + + color depth: 8 bpp, 16 bpp, 32 bpp supports. + + Support 2D hardware accelerator. + +[Using the viafb module] +-- -- -------------------- + Start viafb with default settings: + #modprobe viafb + + Start viafb with with user options: + #modprobe viafb viafb_mode=800x600 viafb_bpp=16 viafb_refresh=60 + viafb_active_dev=CRT+DVI viafb_dvi_port=DVP1 + viafb_mode1=1024x768 viafb_bpp=16 viafb_refresh1=60 + viafb_SAMM_ON=1 + + viafb_mode: + 640x480 (default) + 720x480 + 800x600 + 1024x768 + ...... + + viafb_bpp: + 8, 16, 32 (default:32) + + viafb_refresh: + 60, 75, 85, 100, 120 (default:60) + + viafb_lcd_dsp_method: + 0 : expansion (default) + 1 : centering + + viafb_lcd_mode: + 0 : LCD panel with LSB data format input (default) + 1 : LCD panel with MSB data format input + + viafb_lcd_panel_id: + 0 : Resolution: 640x480, Channel: single, Dithering: Enable + 1 : Resolution: 800x600, Channel: single, Dithering: Enable + 2 : Resolution: 1024x768, Channel: single, Dithering: Enable (default) + 3 : Resolution: 1280x768, Channel: single, Dithering: Enable + 4 : Resolution: 1280x1024, Channel: dual, Dithering: Enable + 5 : Resolution: 1400x1050, Channel: dual, Dithering: Enable + 6 : Resolution: 1600x1200, Channel: dual, Dithering: Enable + + 8 : Resolution: 800x480, Channel: single, Dithering: Enable + 9 : Resolution: 1024x768, Channel: dual, Dithering: Enable + 10: Resolution: 1024x768, Channel: single, Dithering: Disable + 11: Resolution: 1024x768, Channel: dual, Dithering: Disable + 12: Resolution: 1280x768, Channel: single, Dithering: Disable + 13: Resolution: 1280x1024, Channel: dual, Dithering: Disable + 14: Resolution: 1400x1050, Channel: dual, Dithering: Disable + 15: Resolution: 1600x1200, Channel: dual, Dithering: Disable + 16: Resolution: 1366x768, Channel: single, Dithering: Disable + 17: Resolution: 1024x600, Channel: single, Dithering: Enable + 18: Resolution: 1280x768, Channel: dual, Dithering: Enable + 19: Resolution: 1280x800, Channel: single, Dithering: Enable + + viafb_accel: + 0 : No 2D Hardware Acceleration + 1 : 2D Hardware Acceleration (default) + + viafb_SAMM_ON: + 0 : viafb_SAMM_ON disable (default) + 1 : viafb_SAMM_ON enable + + viafb_mode1: (secondary display device) + 640x480 (default) + 720x480 + 800x600 + 1024x768 + ... ... + + viafb_bpp1: (secondary display device) + 8, 16, 32 (default:32) + + viafb_refresh1: (secondary display device) + 60, 75, 85, 100, 120 (default:60) + + viafb_active_dev: + This option is used to specify active devices.(CRT, DVI, CRT+LCD...) + DVI stands for DVI or HDMI, E.g., If you want to enable HDMI, + set viafb_active_dev=DVI. In SAMM case, the previous of + viafb_active_dev is primary device, and the following is + secondary device. + + For example: + To enable one device, such as DVI only, we can use: + modprobe viafb viafb_active_dev=DVI + To enable two devices, such as CRT+DVI: + modprobe viafb viafb_active_dev=CRT+DVI; + + For DuoView case, we can use: + modprobe viafb viafb_active_dev=CRT+DVI + OR + modprobe viafb viafb_active_dev=DVI+CRT... + + For SAMM case: + If CRT is primary and DVI is secondary, we should use: + modprobe viafb viafb_active_dev=CRT+DVI viafb_SAMM_ON=1... + If DVI is primary and CRT is secondary, we should use: + modprobe viafb viafb_active_dev=DVI+CRT viafb_SAMM_ON=1... + + viafb_display_hardware_layout: + This option is used to specify display hardware layout for CX700 chip. + 1 : LCD only + 2 : DVI only + 3 : LCD+DVI (default) + 4 : LCD1+LCD2 (internal + internal) + 16: LCD1+ExternalLCD2 (internal + external) + + viafb_second_size: + This option is used to set second device memory size(MB) in SAMM case. + The minimal size is 16. + + viafb_platform_epia_dvi: + This option is used to enable DVI on EPIA - M + 0 : No DVI on EPIA - M (default) + 1 : DVI on EPIA - M + + viafb_bus_width: + When using 24 - Bit Bus Width Digital Interface, + this option should be set. + 12: 12-Bit LVDS or 12-Bit TMDS (default) + 24: 24-Bit LVDS or 24-Bit TMDS + + viafb_device_lcd_dualedge: + When using Dual Edge Panel, this option should be set. + 0 : No Dual Edge Panel (default) + 1 : Dual Edge Panel + + viafb_video_dev: + This option is used to specify video output devices(CRT, DVI, LCD) for + duoview case. + For example: + To output video on DVI, we should use: + modprobe viafb viafb_video_dev=DVI... + + viafb_lcd_port: + This option is used to specify LCD output port, + available values are "DVP0" "DVP1" "DFP_HIGHLOW" "DFP_HIGH" "DFP_LOW". + for external LCD + external DVI on CX700(External LCD is on DVP0), + we should use: + modprobe viafb viafb_lcd_port=DVP0... + +Notes: + 1. CRT may not display properly for DuoView CRT & DVI display at + the "640x480" PAL mode with DVI overscan enabled. + 2. SAMM stands for single adapter multi monitors. It is different from + multi-head since SAMM support multi monitor at driver layers, thus fbcon + layer doesn't even know about it; SAMM's second screen doesn't have a + device node file, thus a user mode application can't access it directly. + When SAMM is enabled, viafb_mode and viafb_mode1, viafb_bpp and + viafb_bpp1, viafb_refresh and viafb_refresh1 can be different. + 3. When console is depending on viafbinfo1, dynamically change resolution + and bpp, need to call VIAFB specified ioctl interface VIAFB_SET_DEVICE + instead of calling common ioctl function FBIOPUT_VSCREENINFO since + viafb doesn't support multi-head well, or it will cause screen crush. + 4. VX800 2D accelerator hasn't been supported in this driver yet. When + using driver on VX800, the driver will disable the acceleration + function as default. + + +[Configure viafb with "fbset" tool] +----------------------------------- + "fbset" is an inbox utility of Linux. + 1. Inquire current viafb information, type, + # fbset -i + + 2. Set various resolutions and viafb_refresh rates, + # fbset + + example, + # fbset "1024x768-75" + or + # fbset -g 1024 768 1024 768 32 + Check the file "/etc/fb.modes" to find display modes available. + + 3. Set the color depth, + # fbset -depth + + example, + # fbset -depth 16 + +[Bootup with viafb]: +-------------------- + Add the following line to your grub.conf: + append = "video=viafb:viafb_mode=1024x768,viafb_bpp=32,viafb_refresh=85" + -- GitLab From 6bde3ed98d9d0bc2e71b3123b003d5614debda74 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:20 -0700 Subject: [PATCH 5446/6244] viafb: Makefile, Kconfig Modified drivers/video/Makefile and drivers/video/Kconfig. Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/Kconfig | 18 ++++++++++++++++++ drivers/video/Makefile | 1 + 2 files changed, 19 insertions(+) diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index f79c2040758b..b218ac5e611f 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1492,6 +1492,24 @@ config FB_SIS_315 (315/H/PRO, 55x, 650, 651, 740, 330, 661, 741, 760, 761) as well as XGI V3XT, V5, V8 and Z7. +config FB_VIA + tristate "VIA UniChrome (Pro) and Chrome9 display support" + depends on FB && PCI + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + select FB_SOFT_CURSOR + select I2C_ALGOBIT + select I2C + help + This is the frame buffer device driver for Graphics chips of VIA + UniChrome (Pro) Family (CLE266,PM800/CN400,P4M800CE/P4M800Pro/ + CN700/VN800,CX700/VX700,P4M890) and Chrome9 Family (K8M890,CN896 + /P4M900,VX800) + Say Y if you have a VIA UniChrome graphics board. + + To compile this driver as a module, choose M here: the + module will be called viafb. config FB_NEOMAGIC tristate "NeoMagic display support" depends on FB && PCI diff --git a/drivers/video/Makefile b/drivers/video/Makefile index ad0330bf9be3..dcae8d402fb2 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_FB_ATY) += aty/ macmodes.o obj-$(CONFIG_FB_ATY128) += aty/ macmodes.o obj-$(CONFIG_FB_RADEON) += aty/ obj-$(CONFIG_FB_SIS) += sis/ +obj-$(CONFIG_FB_VIA) += via/ obj-$(CONFIG_FB_KYRO) += kyro/ obj-$(CONFIG_FB_SAVAGE) += savage/ obj-$(CONFIG_FB_GEODE) += geode/ -- GitLab From 801b8a8c91ff054cc93fdac65e2f067c22986bbb Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:21 -0700 Subject: [PATCH 5447/6244] viafb: accel.c, accel.h 2D and HW cursor stuff of viafb driver. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/accel.c | 279 ++++++++++++++++++++++++++++++++++++++ drivers/video/via/accel.h | 169 +++++++++++++++++++++++ 2 files changed, 448 insertions(+) create mode 100644 drivers/video/via/accel.c create mode 100644 drivers/video/via/accel.h diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c new file mode 100644 index 000000000000..632523ff1fb7 --- /dev/null +++ b/drivers/video/via/accel.c @@ -0,0 +1,279 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include "global.h" + +void viafb_init_accel(void) +{ + viaparinfo->fbmem_free -= CURSOR_SIZE; + viaparinfo->cursor_start = viaparinfo->fbmem_free; + viaparinfo->fbmem_used += CURSOR_SIZE; + + /* Reverse 8*1024 memory space for cursor image */ + viaparinfo->fbmem_free -= (CURSOR_SIZE + VQ_SIZE); + viaparinfo->VQ_start = viaparinfo->fbmem_free; + viaparinfo->VQ_end = viaparinfo->VQ_start + VQ_SIZE - 1; + viaparinfo->fbmem_used += (CURSOR_SIZE + VQ_SIZE); } + +void viafb_init_2d_engine(void) +{ + u32 dwVQStartAddr, dwVQEndAddr; + u32 dwVQLen, dwVQStartL, dwVQEndL, dwVQStartEndH; + + /* init 2D engine regs to reset 2D engine */ + writel(0x0, viaparinfo->io_virt + VIA_REG_GEMODE); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTPOS); + writel(0x0, viaparinfo->io_virt + VIA_REG_DIMENSION); + writel(0x0, viaparinfo->io_virt + VIA_REG_PATADDR); + writel(0x0, viaparinfo->io_virt + VIA_REG_FGCOLOR); + writel(0x0, viaparinfo->io_virt + VIA_REG_BGCOLOR); + writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPTL); + writel(0x0, viaparinfo->io_virt + VIA_REG_CLIPBR); + writel(0x0, viaparinfo->io_virt + VIA_REG_OFFSET); + writel(0x0, viaparinfo->io_virt + VIA_REG_KEYCONTROL); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_PITCH); + writel(0x0, viaparinfo->io_virt + VIA_REG_MONOPAT1); + + /* Init AGP and VQ regs */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(0x680A0000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x02000000, viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + + default: + writel(0x00100000, viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x00333004, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x60000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x61000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x62000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x63000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x64000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x7D000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(0xFE020000, viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000000, viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + if (viaparinfo->VQ_start != 0) { + /* Enable VQ */ + dwVQStartAddr = viaparinfo->VQ_start; + dwVQEndAddr = viaparinfo->VQ_end; + + dwVQStartL = 0x50000000 | (dwVQStartAddr & 0xFFFFFF); + dwVQEndL = 0x51000000 | (dwVQEndAddr & 0xFFFFFF); + dwVQStartEndH = 0x52000000 | + ((dwVQStartAddr & 0xFF000000) >> 24) | + ((dwVQEndAddr & 0xFF000000) >> 16); + dwVQLen = 0x53000000 | (VQ_SIZE >> 3); + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + dwVQStartL |= 0x20000000; + dwVQEndL |= 0x20000000; + dwVQStartEndH |= 0x20000000; + dwVQLen |= 0x20000000; + break; + default: + break; + } + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, + viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(dwVQStartEndH, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQStartL, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQEndL, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(dwVQLen, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x74301001, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + writel(0x00000000, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + default: + writel(0x00FE0000, + viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x080003FE, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0A00027C, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0B000260, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0C000274, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0D000264, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0E000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x0F000020, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x1000027E, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x110002FE, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x200F0060, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(0x00000006, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x40008C0F, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x44000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x45080C04, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x46800408, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + + writel(dwVQStartEndH, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQStartL, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQEndL, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(dwVQLen, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + } else { + /* Disable VQ */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + writel(0x00100000, + viaparinfo->io_virt + VIA_REG_CR_TRANSET); + writel(0x74301000, + viaparinfo->io_virt + VIA_REG_CR_TRANSPACE); + break; + default: + writel(0x00FE0000, + viaparinfo->io_virt + VIA_REG_TRANSET); + writel(0x00000004, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x40008C0F, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x44000000, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x45080C04, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + writel(0x46800408, + viaparinfo->io_virt + VIA_REG_TRANSPACE); + break; + } + } + + viafb_set_2d_color_depth(viaparinfo->bpp); + + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); + writel(0x0, viaparinfo->io_virt + VIA_REG_DSTBASE); + + writel(VIA_PITCH_ENABLE | + (((viaparinfo->hres * + viaparinfo->bpp >> 3) >> 3) | (((viaparinfo->hres * + viaparinfo-> + bpp >> 3) >> 3) << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); +} + +void viafb_set_2d_color_depth(int bpp) +{ + u32 dwGEMode; + + dwGEMode = readl(viaparinfo->io_virt + 0x04) & 0xFFFFFCFF; + + switch (bpp) { + case 16: + dwGEMode |= VIA_GEM_16bpp; + break; + case 32: + dwGEMode |= VIA_GEM_32bpp; + break; + default: + dwGEMode |= VIA_GEM_8bpp; + break; + } + + /* Set BPP and Pitch */ + writel(dwGEMode, viaparinfo->io_virt + VIA_REG_GEMODE); +} + +void viafb_hw_cursor_init(void) +{ + /* Set Cursor Image Base Address */ + writel(viaparinfo->cursor_start, + viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_POS); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_ORG); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_BG); + writel(0x0, viaparinfo->io_virt + VIA_REG_CURSOR_FG); +} + +void viafb_show_hw_cursor(struct fb_info *info, int Status) +{ + u32 temp; + u32 iga_path = ((struct viafb_par *)(info->par))->iga_path; + + temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE); + switch (Status) { + case HW_Cursor_ON: + temp |= 0x1; + break; + case HW_Cursor_OFF: + temp &= 0xFFFFFFFE; + break; + } + switch (iga_path) { + case IGA2: + temp |= 0x80000000; + break; + case IGA1: + default: + temp &= 0x7FFFFFFF; + } + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE); +} + +int viafb_wait_engine_idle(void) +{ + int loop = 0; + + while (!(readl(viaparinfo->io_virt + VIA_REG_STATUS) & + VIA_VR_QUEUE_BUSY) && (loop++ < MAXLOOP)) + cpu_relax(); + + while ((readl(viaparinfo->io_virt + VIA_REG_STATUS) & + (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | VIA_3D_ENG_BUSY)) && + (loop++ < MAXLOOP)) + cpu_relax(); + + return loop >= MAXLOOP; +} diff --git a/drivers/video/via/accel.h b/drivers/video/via/accel.h new file mode 100644 index 000000000000..29bf854e8ccf --- /dev/null +++ b/drivers/video/via/accel.h @@ -0,0 +1,169 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __ACCEL_H__ +#define __ACCEL_H__ + +#define FB_ACCEL_VIA_UNICHROME 50 + +/* MMIO Base Address Definition */ +#define MMIO_VGABASE 0x8000 +#define MMIO_CR_READ (MMIO_VGABASE + 0x3D4) +#define MMIO_CR_WRITE (MMIO_VGABASE + 0x3D5) +#define MMIO_SR_READ (MMIO_VGABASE + 0x3C4) +#define MMIO_SR_WRITE (MMIO_VGABASE + 0x3C5) + +/* HW Cursor Status Define */ +#define HW_Cursor_ON 0 +#define HW_Cursor_OFF 1 + +#define CURSOR_SIZE (8 * 1024) +#define VQ_SIZE (256 * 1024) + +#define VIA_MMIO_BLTBASE 0x200000 +#define VIA_MMIO_BLTSIZE 0x200000 + +/* Defines for 2D registers */ +#define VIA_REG_GECMD 0x000 +#define VIA_REG_GEMODE 0x004 +#define VIA_REG_SRCPOS 0x008 +#define VIA_REG_DSTPOS 0x00C +/* width and height */ +#define VIA_REG_DIMENSION 0x010 +#define VIA_REG_PATADDR 0x014 +#define VIA_REG_FGCOLOR 0x018 +#define VIA_REG_BGCOLOR 0x01C +/* top and left of clipping */ +#define VIA_REG_CLIPTL 0x020 +/* bottom and right of clipping */ +#define VIA_REG_CLIPBR 0x024 +#define VIA_REG_OFFSET 0x028 +/* color key control */ +#define VIA_REG_KEYCONTROL 0x02C +#define VIA_REG_SRCBASE 0x030 +#define VIA_REG_DSTBASE 0x034 +/* pitch of src and dst */ +#define VIA_REG_PITCH 0x038 +#define VIA_REG_MONOPAT0 0x03C +#define VIA_REG_MONOPAT1 0x040 +/* from 0x100 to 0x1ff */ +#define VIA_REG_COLORPAT 0x100 + +/* VIA_REG_PITCH(0x38): Pitch Setting */ +#define VIA_PITCH_ENABLE 0x80000000 + +/* defines for VIA HW cursor registers */ +#define VIA_REG_CURSOR_MODE 0x2D0 +#define VIA_REG_CURSOR_POS 0x2D4 +#define VIA_REG_CURSOR_ORG 0x2D8 +#define VIA_REG_CURSOR_BG 0x2DC +#define VIA_REG_CURSOR_FG 0x2E0 + +/* VIA_REG_GEMODE(0x04): GE mode */ +#define VIA_GEM_8bpp 0x00000000 +#define VIA_GEM_16bpp 0x00000100 +#define VIA_GEM_32bpp 0x00000300 + +/* VIA_REG_GECMD(0x00): 2D Engine Command */ +#define VIA_GEC_NOOP 0x00000000 +#define VIA_GEC_BLT 0x00000001 +#define VIA_GEC_LINE 0x00000005 + +/* Rotate Command */ +#define VIA_GEC_ROT 0x00000008 + +#define VIA_GEC_SRC_XY 0x00000000 +#define VIA_GEC_SRC_LINEAR 0x00000010 +#define VIA_GEC_DST_XY 0x00000000 +#define VIA_GEC_DST_LINRAT 0x00000020 + +#define VIA_GEC_SRC_FB 0x00000000 +#define VIA_GEC_SRC_SYS 0x00000040 +#define VIA_GEC_DST_FB 0x00000000 +#define VIA_GEC_DST_SYS 0x00000080 + +/* source is mono */ +#define VIA_GEC_SRC_MONO 0x00000100 +/* pattern is mono */ +#define VIA_GEC_PAT_MONO 0x00000200 +/* mono src is opaque */ +#define VIA_GEC_MSRC_OPAQUE 0x00000000 +/* mono src is transparent */ +#define VIA_GEC_MSRC_TRANS 0x00000400 +/* pattern is in frame buffer */ +#define VIA_GEC_PAT_FB 0x00000000 +/* pattern is from reg setting */ +#define VIA_GEC_PAT_REG 0x00000800 + +#define VIA_GEC_CLIP_DISABLE 0x00000000 +#define VIA_GEC_CLIP_ENABLE 0x00001000 + +#define VIA_GEC_FIXCOLOR_PAT 0x00002000 + +#define VIA_GEC_INCX 0x00000000 +#define VIA_GEC_DECY 0x00004000 +#define VIA_GEC_INCY 0x00000000 +#define VIA_GEC_DECX 0x00008000 +/* mono pattern is opaque */ +#define VIA_GEC_MPAT_OPAQUE 0x00000000 +/* mono pattern is transparent */ +#define VIA_GEC_MPAT_TRANS 0x00010000 + +#define VIA_GEC_MONO_UNPACK 0x00000000 +#define VIA_GEC_MONO_PACK 0x00020000 +#define VIA_GEC_MONO_DWORD 0x00000000 +#define VIA_GEC_MONO_WORD 0x00040000 +#define VIA_GEC_MONO_BYTE 0x00080000 + +#define VIA_GEC_LASTPIXEL_ON 0x00000000 +#define VIA_GEC_LASTPIXEL_OFF 0x00100000 +#define VIA_GEC_X_MAJOR 0x00000000 +#define VIA_GEC_Y_MAJOR 0x00200000 +#define VIA_GEC_QUICK_START 0x00800000 + +/* defines for VIA 3D registers */ +#define VIA_REG_STATUS 0x400 +#define VIA_REG_CR_TRANSET 0x41C +#define VIA_REG_CR_TRANSPACE 0x420 +#define VIA_REG_TRANSET 0x43C +#define VIA_REG_TRANSPACE 0x440 + +/* VIA_REG_STATUS(0x400): Engine Status */ + +/* Command Regulator is busy */ +#define VIA_CMD_RGTR_BUSY 0x00000080 +/* 2D Engine is busy */ +#define VIA_2D_ENG_BUSY 0x00000002 +/* 3D Engine is busy */ +#define VIA_3D_ENG_BUSY 0x00000001 +/* Virtual Queue is busy */ +#define VIA_VR_QUEUE_BUSY 0x00020000 + +#define MAXLOOP 0xFFFFFF + +void viafb_init_accel(void); +void viafb_init_2d_engine(void); +void set_2d_color_depth(int); +void viafb_hw_cursor_init(void); +void viafb_show_hw_cursor(struct fb_info *info, int Status); int +viafb_wait_engine_idle(void); void viafb_set_2d_color_depth(int bpp); + +#endif /* __ACCEL_H__ */ -- GitLab From ae35e8106a960dc19c930badd80dd14d47d83839 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:22 -0700 Subject: [PATCH 5448/6244] viafb: chip.h, debug.h Header file of information about via chipsets and debug function. Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/chip.h | 190 ++++++++++++++++++++++++++++++++++++++ drivers/video/via/debug.h | 41 ++++++++ 2 files changed, 231 insertions(+) create mode 100644 drivers/video/via/chip.h create mode 100644 drivers/video/via/debug.h diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h new file mode 100644 index 000000000000..dde95edc387a --- /dev/null +++ b/drivers/video/via/chip.h @@ -0,0 +1,190 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __CHIP_H__ +#define __CHIP_H__ + +#include "global.h" + +/***************************************/ +/* Definition Graphic Chip Information */ +/***************************************/ + +#define PCI_VIA_VENDOR_ID 0x1106 + +/* Define VIA Graphic Chip Name */ +#define UNICHROME_CLE266 1 +#define UNICHROME_CLE266_DID 0x3122 +#define CLE266_REVISION_AX 0x0A +#define CLE266_REVISION_CX 0x0C + +#define UNICHROME_K400 2 +#define UNICHROME_K400_DID 0x7205 + +#define UNICHROME_K800 3 +#define UNICHROME_K800_DID 0x3108 + +#define UNICHROME_PM800 4 +#define UNICHROME_PM800_DID 0x3118 + +#define UNICHROME_CN700 5 +#define UNICHROME_CN700_DID 0x3344 + +#define UNICHROME_CX700 6 +#define UNICHROME_CX700_DID 0x3157 +#define CX700_REVISION_700 0x0 +#define CX700_REVISION_700M 0x1 +#define CX700_REVISION_700M2 0x2 + +#define UNICHROME_CN750 7 +#define UNICHROME_CN750_DID 0x3225 + +#define UNICHROME_K8M890 8 +#define UNICHROME_K8M890_DID 0x3230 + +#define UNICHROME_P4M890 9 +#define UNICHROME_P4M890_DID 0x3343 + +#define UNICHROME_P4M900 10 +#define UNICHROME_P4M900_DID 0x3371 + +#define UNICHROME_VX800 11 +#define UNICHROME_VX800_DID 0x1122 + +/**************************************************/ +/* Definition TMDS Trasmitter Information */ +/**************************************************/ + +/* Definition TMDS Trasmitter Index */ +#define NON_TMDS_TRANSMITTER 0x00 +#define VT1632_TMDS 0x01 +#define INTEGRATED_TMDS 0x42 + +/* Definition TMDS Trasmitter I2C Slave Address */ +#define VT1632_TMDS_I2C_ADDR 0x10 + +/**************************************************/ +/* Definition LVDS Trasmitter Information */ +/**************************************************/ + +/* Definition LVDS Trasmitter Index */ +#define NON_LVDS_TRANSMITTER 0x00 +#define VT1631_LVDS 0x01 +#define VT1636_LVDS 0x0E +#define INTEGRATED_LVDS 0x41 + +/* Definition Digital Transmitter Mode */ +#define TX_DATA_12_BITS 0x01 +#define TX_DATA_24_BITS 0x02 +#define TX_DATA_DDR_MODE 0x04 +#define TX_DATA_SDR_MODE 0x08 + +/* Definition LVDS Trasmitter I2C Slave Address */ +#define VT1631_LVDS_I2C_ADDR 0x70 +#define VT3271_LVDS_I2C_ADDR 0x80 +#define VT1636_LVDS_I2C_ADDR 0x80 + +struct tmds_chip_information { + int tmds_chip_name; + int tmds_chip_slave_addr; + int dvi_panel_id; + int data_mode; + int output_interface; + int i2c_port; + int device_type; +}; + +struct lvds_chip_information { + int lvds_chip_name; + int lvds_chip_slave_addr; + int data_mode; + int output_interface; + int i2c_port; +}; + +struct chip_information { + int gfx_chip_name; + int gfx_chip_revision; + int chip_on_slot; + struct tmds_chip_information tmds_chip_info; + struct lvds_chip_information lvds_chip_info; + struct lvds_chip_information lvds_chip_info2; +}; + +struct crt_setting_information { + int iga_path; + int h_active; + int v_active; + int bpp; + int refresh_rate; +}; + +struct tmds_setting_information { + int iga_path; + int h_active; + int v_active; + int bpp; + int refresh_rate; + int get_dvi_size_method; + int max_pixel_clock; + int dvi_panel_size; + int dvi_panel_hres; + int dvi_panel_vres; + int native_size; +}; + +struct lvds_setting_information { + int iga_path; + int h_active; + int v_active; + int bpp; + int refresh_rate; + int get_lcd_size_method; + int lcd_panel_id; + int lcd_panel_size; + int lcd_panel_hres; + int lcd_panel_vres; + int display_method; + int device_lcd_dualedge; + int LCDDithering; + int lcd_mode; + u32 vclk; /*panel mode clock value */ +}; + +struct GFX_DPA_SETTING { + int ClkRangeIndex; + u8 DVP0; /* CR96[3:0] */ + u8 DVP0DataDri_S1; /* SR2A[5] */ + u8 DVP0DataDri_S; /* SR1B[1] */ + u8 DVP0ClockDri_S1; /* SR2A[4] */ + u8 DVP0ClockDri_S; /* SR1E[2] */ + u8 DVP1; /* CR9B[3:0] */ + u8 DVP1Driving; /* SR65[3:0], Data and Clock driving */ + u8 DFPHigh; /* CR97[3:0] */ + u8 DFPLow; /* CR99[3:0] */ + +}; + +struct VT1636_DPA_SETTING { + int PanelSizeID; + u8 CLK_SEL_ST1; + u8 CLK_SEL_ST2; +}; +#endif /* __CHIP_H__ */ diff --git a/drivers/video/via/debug.h b/drivers/video/via/debug.h new file mode 100644 index 000000000000..86eacc2017f3 --- /dev/null +++ b/drivers/video/via/debug.h @@ -0,0 +1,41 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __DEBUG_H__ +#define __DEBUG_H__ + +#ifndef VIAFB_DEBUG +#define VIAFB_DEBUG 0 +#endif + +#if VIAFB_DEBUG +#define DEBUG_MSG(f, a...) printk(f, ## a) +#else +#define DEBUG_MSG(f, a...) +#endif + +#define VIAFB_WARN 0 +#if VIAFB_WARN +#define WARN_MSG(f, a...) printk(f, ## a) +#else +#define WARN_MSG(f, a...) +#endif + +#endif /* __DEBUG_H__ */ -- GitLab From c09c782f3e7d38e1f3842822209bb6faff4a2b1b Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:23 -0700 Subject: [PATCH 5449/6244] viafb: dvi.c, dvi.h, global.c and global.h dvi.c, dvi.h: TMDS generic process and setting. global.c, global.h: define global variabls. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/dvi.c | 682 +++++++++++++++++++++++++++++++++++++ drivers/video/via/dvi.h | 64 ++++ drivers/video/via/global.c | 60 ++++ drivers/video/via/global.h | 90 +++++ 4 files changed, 896 insertions(+) create mode 100644 drivers/video/via/dvi.c create mode 100644 drivers/video/via/dvi.h create mode 100644 drivers/video/via/global.c create mode 100644 drivers/video/via/global.h diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c new file mode 100644 index 000000000000..d6965447ca69 --- /dev/null +++ b/drivers/video/via/dvi.c @@ -0,0 +1,682 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include "global.h" + +static void tmds_register_write(int index, u8 data); +static int tmds_register_read(int index); +static int tmds_register_read_bytes(int index, u8 *buff, int buff_len); +static int check_reduce_blanking_mode(int mode_index, + int refresh_rate); +static int dvi_get_panel_size_from_DDCv1(void); +static int dvi_get_panel_size_from_DDCv2(void); +static unsigned char dvi_get_panel_info(void); +static int viafb_dvi_query_EDID(void); + +static int check_tmds_chip(int device_id_subaddr, int device_id) +{ + if (tmds_register_read(device_id_subaddr) == device_id) + return OK; + else + return FAIL; +} + +void viafb_init_dvi_size(void) +{ + DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n"); + DEBUG_MSG(KERN_INFO + "viaparinfo->tmds_setting_info->get_dvi_size_method %d\n", + viaparinfo->tmds_setting_info->get_dvi_size_method); + + switch (viaparinfo->tmds_setting_info->get_dvi_size_method) { + case GET_DVI_SIZE_BY_SYSTEM_BIOS: + break; + case GET_DVI_SZIE_BY_HW_STRAPPING: + break; + case GET_DVI_SIZE_BY_VGA_BIOS: + default: + dvi_get_panel_info(); + break; + } + return; +} + +int viafb_tmds_trasmitter_identify(void) +{ + unsigned char sr2a = 0, sr1e = 0, sr3e = 0; + + /* Turn on ouputting pad */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + /*=* DFP Low Pad on *=*/ + sr2a = viafb_read_reg(VIASR, SR2A); + viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); + break; + + case UNICHROME_P4M900: + case UNICHROME_P4M890: + /* DFP Low Pad on */ + sr2a = viafb_read_reg(VIASR, SR2A); + viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); + /* DVP0 Pad on */ + sr1e = viafb_read_reg(VIASR, SR1E); + viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT6 + BIT7); + break; + + default: + /* DVP0/DVP1 Pad on */ + sr1e = viafb_read_reg(VIASR, SR1E); + viafb_write_reg_mask(SR1E, VIASR, 0xF0, BIT4 + + BIT5 + BIT6 + BIT7); + /* SR3E[1]Multi-function selection: + 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ + sr3e = viafb_read_reg(VIASR, SR3E); + viafb_write_reg_mask(SR3E, VIASR, 0x0, BIT5); + break; + } + + /* Check for VT1632: */ + viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = VT1632_TMDS; + viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; + viaparinfo->chip_info->tmds_chip_info.i2c_port = I2CPORTINDEX; + if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) != FAIL) { + /* + * Currently only support 12bits,dual edge,add 24bits mode later + */ + tmds_register_write(0x08, 0x3b); + + DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info->tmds_chip_info.tmds_chip_name); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info->tmds_chip_info.i2c_port); + return OK; + } else { + viaparinfo->chip_info->tmds_chip_info.i2c_port = GPIOPORTINDEX; + if (check_tmds_chip(VT1632_DEVICE_ID_REG, VT1632_DEVICE_ID) + != FAIL) { + tmds_register_write(0x08, 0x3b); + DEBUG_MSG(KERN_INFO "\n VT1632 TMDS ! \n"); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_name); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info-> + tmds_chip_info.i2c_port); + return OK; + } + } + + viaparinfo->chip_info->tmds_chip_info.tmds_chip_name = INTEGRATED_TMDS; + + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) && + ((viafb_display_hardware_layout == HW_LAYOUT_DVI_ONLY) || + (viafb_display_hardware_layout == HW_LAYOUT_LCD_DVI))) { + DEBUG_MSG(KERN_INFO "\n Integrated TMDS ! \n"); + return OK; + } + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + viafb_write_reg(SR2A, VIASR, sr2a); + break; + + case UNICHROME_P4M900: + case UNICHROME_P4M890: + viafb_write_reg(SR2A, VIASR, sr2a); + viafb_write_reg(SR1E, VIASR, sr1e); + break; + + default: + viafb_write_reg(SR1E, VIASR, sr1e); + viafb_write_reg(SR3E, VIASR, sr3e); + break; + } + + viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_name = NON_TMDS_TRANSMITTER; + viaparinfo->chip_info->tmds_chip_info. + tmds_chip_slave_addr = VT1632_TMDS_I2C_ADDR; + return FAIL; +} + +static void tmds_register_write(int index, u8 data) +{ + viaparinfo->i2c_stuff.i2c_port = + viaparinfo->chip_info->tmds_chip_info.i2c_port; + + viafb_i2c_writebyte(viaparinfo->chip_info->tmds_chip_info. + tmds_chip_slave_addr, index, + data); +} + +static int tmds_register_read(int index) +{ + u8 data; + + viaparinfo->i2c_stuff.i2c_port = + viaparinfo->chip_info->tmds_chip_info.i2c_port; + viafb_i2c_readbyte((u8) viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_slave_addr, + (u8) index, &data); + return data; +} + +static int tmds_register_read_bytes(int index, u8 *buff, int buff_len) +{ + viaparinfo->i2c_stuff.i2c_port = + viaparinfo->chip_info->tmds_chip_info.i2c_port; + viafb_i2c_readbytes((u8) viaparinfo->chip_info->tmds_chip_info. + tmds_chip_slave_addr, (u8) index, buff, buff_len); + return 0; +} + +static int check_reduce_blanking_mode(int mode_index, + int refresh_rate) +{ + if (refresh_rate != 60) + return false; + + switch (mode_index) { + /* Following modes have reduce blanking mode. */ + case VIA_RES_1360X768: + case VIA_RES_1400X1050: + case VIA_RES_1440X900: + case VIA_RES_1600X900: + case VIA_RES_1680X1050: + case VIA_RES_1920X1080: + case VIA_RES_1920X1200: + break; + + default: + DEBUG_MSG(KERN_INFO + "This dvi mode %d have no reduce blanking mode!\n", + mode_index); + return false; + } + + return true; +} + +/* DVI Set Mode */ +void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga) +{ + struct VideoModeTable *videoMode = NULL; + struct crt_mode_table *pDviTiming; + unsigned long desirePixelClock, maxPixelClock; + int status = 0; + videoMode = viafb_get_modetbl_pointer(video_index); + pDviTiming = videoMode->crtc; + desirePixelClock = pDviTiming->clk / 1000000; + maxPixelClock = (unsigned long)viaparinfo-> + tmds_setting_info->max_pixel_clock; + + DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n"); + + if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) { + /*Check if reduce-blanking mode is exist */ + status = + check_reduce_blanking_mode(video_index, + pDviTiming->refresh_rate); + if (status) { + video_index += 100; /*Use reduce-blanking mode */ + videoMode = viafb_get_modetbl_pointer(video_index); + pDviTiming = videoMode->crtc; + DEBUG_MSG(KERN_INFO + "DVI use reduce blanking mode %d!!\n", + video_index); + } + } + viafb_fill_crtc_timing(pDviTiming, video_index, mode_bpp / 8, set_iga); + viafb_set_output_path(DEVICE_DVI, set_iga, + viaparinfo->chip_info->tmds_chip_info.output_interface); +} + +/* Sense DVI Connector */ +int viafb_dvi_sense(void) +{ + u8 RegSR1E = 0, RegSR3E = 0, RegCR6B = 0, RegCR91 = 0, + RegCR93 = 0, RegCR9B = 0, data; + int ret = false; + + DEBUG_MSG(KERN_INFO "viafb_dvi_sense!!\n"); + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + /* DI1 Pad on */ + RegSR1E = viafb_read_reg(VIASR, SR1E); + viafb_write_reg(SR1E, VIASR, RegSR1E | 0x30); + + /* CR6B[0]VCK Input Selection: 1 = External clock. */ + RegCR6B = viafb_read_reg(VIACR, CR6B); + viafb_write_reg(CR6B, VIACR, RegCR6B | 0x08); + + /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off + [0] Software Control Power Sequence */ + RegCR91 = viafb_read_reg(VIACR, CR91); + viafb_write_reg(CR91, VIACR, 0x1D); + + /* CR93[7] DI1 Data Source Selection: 1 = DSP2. + CR93[5] DI1 Clock Source: 1 = internal. + CR93[4] DI1 Clock Polarity. + CR93[3:1] DI1 Clock Adjust. CR93[0] DI1 enable */ + RegCR93 = viafb_read_reg(VIACR, CR93); + viafb_write_reg(CR93, VIACR, 0x01); + } else { + /* DVP0/DVP1 Pad on */ + RegSR1E = viafb_read_reg(VIASR, SR1E); + viafb_write_reg(SR1E, VIASR, RegSR1E | 0xF0); + + /* SR3E[1]Multi-function selection: + 0 = Emulate I2C and DDC bus by GPIO2/3/4. */ + RegSR3E = viafb_read_reg(VIASR, SR3E); + viafb_write_reg(SR3E, VIASR, RegSR3E & (~0x20)); + + /* CR91[4] VDD On [3] Data On [2] VEE On [1] Back Light Off + [0] Software Control Power Sequence */ + RegCR91 = viafb_read_reg(VIACR, CR91); + viafb_write_reg(CR91, VIACR, 0x1D); + + /*CR9B[4] DVP1 Data Source Selection: 1 = From secondary + display.CR9B[2:0] DVP1 Clock Adjust */ + RegCR9B = viafb_read_reg(VIACR, CR9B); + viafb_write_reg(CR9B, VIACR, 0x01); + } + + data = (u8) tmds_register_read(0x09); + if (data & 0x04) + ret = true; + + if (ret == false) { + if (viafb_dvi_query_EDID()) + ret = true; + } + + /* Restore status */ + viafb_write_reg(SR1E, VIASR, RegSR1E); + viafb_write_reg(CR91, VIACR, RegCR91); + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + viafb_write_reg(CR6B, VIACR, RegCR6B); + viafb_write_reg(CR93, VIACR, RegCR93); + } else { + viafb_write_reg(SR3E, VIASR, RegSR3E); + viafb_write_reg(CR9B, VIACR, RegCR9B); + } + + return ret; +} + +/* Query Flat Panel's EDID Table Version Through DVI Connector */ +static int viafb_dvi_query_EDID(void) +{ + u8 data0, data1; + int restore; + + DEBUG_MSG(KERN_INFO "viafb_dvi_query_EDID!!\n"); + + restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; + + data0 = (u8) tmds_register_read(0x00); + data1 = (u8) tmds_register_read(0x01); + if ((data0 == 0) && (data1 == 0xFF)) { + viaparinfo->chip_info-> + tmds_chip_info.tmds_chip_slave_addr = restore; + return EDID_VERSION_1; /* Found EDID1 Table */ + } + + data0 = (u8) tmds_register_read(0x00); + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; + if (data0 == 0x20) + return EDID_VERSION_2; /* Found EDID2 Table */ + else + return false; +} + +/* + * + * int dvi_get_panel_size_from_DDCv1(void) + * + * - Get Panel Size Using EDID1 Table + * + * Return Type: int + * + */ +static int dvi_get_panel_size_from_DDCv1(void) +{ + int i, max_h = 0, max_v = 0, tmp, restore; + unsigned char rData; + unsigned char EDID_DATA[18]; + + DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n"); + + restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0; + + rData = tmds_register_read(0x23); + if (rData & 0x3C) + max_h = 640; + if (rData & 0xC0) + max_h = 720; + if (rData & 0x03) + max_h = 800; + + rData = tmds_register_read(0x24); + if (rData & 0xC0) + max_h = 800; + if (rData & 0x1E) + max_h = 1024; + if (rData & 0x01) + max_h = 1280; + + for (i = 0x25; i < 0x6D; i++) { + switch (i) { + case 0x26: + case 0x28: + case 0x2A: + case 0x2C: + case 0x2E: + case 0x30: + case 0x32: + case 0x34: + rData = tmds_register_read(i); + if (rData == 1) + break; + /* data = (data + 31) * 8 */ + tmp = (rData + 31) << 3; + if (tmp > max_h) + max_h = tmp; + break; + + case 0x36: + case 0x48: + case 0x5A: + case 0x6C: + tmds_register_read_bytes(i, EDID_DATA, 10); + if (!(EDID_DATA[0] || EDID_DATA[1])) { + /* The first two byte must be zero. */ + if (EDID_DATA[3] == 0xFD) { + /* To get max pixel clock. */ + viaparinfo->tmds_setting_info-> + max_pixel_clock = EDID_DATA[9] * 10; + } + } + break; + + default: + break; + } + } + + switch (max_h) { + case 640: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_640X480; + break; + case 800: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_800X600; + break; + case 1024: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1024X768; + break; + case 1280: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1280X1024; + break; + case 1400: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1400X1050; + break; + case 1440: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1440X1050; + break; + case 1600: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1600X1200; + break; + case 1920: + if (max_v == 1200) { + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1920X1200; + } else { + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1920X1080; + } + + break; + default: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1024X768; + DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d !\ + set default panel size.\n", max_h); + break; + } + + DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n", + viaparinfo->tmds_setting_info->max_pixel_clock); + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; + return viaparinfo->tmds_setting_info->dvi_panel_size; +} + +/* + * + * int dvi_get_panel_size_from_DDCv2(void) + * + * - Get Panel Size Using EDID2 Table + * + * Return Type: int + * + */ +static int dvi_get_panel_size_from_DDCv2(void) +{ + int HSize = 0, restore; + unsigned char R_Buffer[2]; + + DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n"); + + restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr; + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA2; + + /* Horizontal: 0x76, 0x77 */ + tmds_register_read_bytes(0x76, R_Buffer, 2); + HSize = R_Buffer[0]; + HSize += R_Buffer[1] << 8; + + switch (HSize) { + case 640: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_640X480; + break; + case 800: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_800X600; + break; + case 1024: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1024X768; + break; + case 1280: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1280X1024; + break; + case 1400: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1400X1050; + break; + case 1440: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1440X1050; + break; + case 1600: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1600X1200; + break; + default: + viaparinfo->tmds_setting_info->dvi_panel_size = + VIA_RES_1024X768; + DEBUG_MSG(KERN_INFO "Unknow panel size max resolution = %d!\ + set default panel size.\n", HSize); + break; + } + + viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore; + return viaparinfo->tmds_setting_info->dvi_panel_size; +} + +/* + * + * unsigned char dvi_get_panel_info(void) + * + * - Get Panel Size + * + * Return Type: unsigned char + */ +static unsigned char dvi_get_panel_info(void) +{ + unsigned char dvipanelsize; + DEBUG_MSG(KERN_INFO "dvi_get_panel_info! \n"); + + viafb_dvi_sense(); + switch (viafb_dvi_query_EDID()) { + case 1: + dvi_get_panel_size_from_DDCv1(); + break; + case 2: + dvi_get_panel_size_from_DDCv2(); + break; + default: + break; + } + + DEBUG_MSG(KERN_INFO "dvi panel size is %2d \n", + viaparinfo->tmds_setting_info->dvi_panel_size); + dvipanelsize = (unsigned char)(viaparinfo-> + tmds_setting_info->dvi_panel_size); + return dvipanelsize; +} + +/* If Disable DVI, turn off pad */ +void viafb_dvi_disable(void) +{ + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DVP0) + viafb_write_reg(SR1E, VIASR, + viafb_read_reg(VIASR, SR1E) & (~0xC0)); + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DVP1) + viafb_write_reg(SR1E, VIASR, + viafb_read_reg(VIASR, SR1E) & (~0x30)); + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) + viafb_write_reg(SR2A, VIASR, + viafb_read_reg(VIASR, SR2A) & (~0x0C)); + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DFP_LOW) + viafb_write_reg(SR2A, VIASR, + viafb_read_reg(VIASR, SR2A) & (~0x03)); + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_TMDS) + /* Turn off TMDS power. */ + viafb_write_reg(CRD2, VIACR, + viafb_read_reg(VIACR, CRD2) | 0x08); +} + +/* If Enable DVI, turn off pad */ +void viafb_dvi_enable(void) +{ + u8 data; + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DVP0) { + viafb_write_reg(SR1E, VIASR, + viafb_read_reg(VIASR, SR1E) | 0xC0); + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + tmds_register_write(0x88, 0x3b); + else + /*clear CR91[5] to direct on display period + in the secondary diplay path */ + viafb_write_reg(CR91, VIACR, + viafb_read_reg(VIACR, CR91) & 0xDF); + } + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DVP1) { + viafb_write_reg(SR1E, VIASR, + viafb_read_reg(VIASR, SR1E) | 0x30); + + /*fix dvi cann't be enabled with MB VT5718C4 - Al Zhang */ + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + tmds_register_write(0x88, 0x3b); + } else { + /*clear CR91[5] to direct on display period + in the secondary diplay path */ + viafb_write_reg(CR91, VIACR, + viafb_read_reg(VIACR, CR91) & 0xDF); + } + + /*fix DVI cannot enable on EPIA-M board */ + if (viafb_platform_epia_dvi == 1) { + viafb_write_reg_mask(CR91, VIACR, 0x1f, 0x1f); + viafb_write_reg_mask(CR88, VIACR, 0x00, BIT6 + BIT0); + if (viafb_bus_width == 24) { + if (viafb_device_lcd_dualedge == 1) + data = 0x3F; + else + data = 0x37; + viafb_i2c_writebyte(viaparinfo->chip_info-> + tmds_chip_info. + tmds_chip_slave_addr, + 0x08, data); + } + } + } + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DFP_HIGH) { + viafb_write_reg(SR2A, VIASR, + viafb_read_reg(VIASR, SR2A) | 0x0C); + viafb_write_reg(CR91, VIACR, + viafb_read_reg(VIACR, CR91) & 0xDF); + } + + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_DFP_LOW) { + viafb_write_reg(SR2A, VIASR, + viafb_read_reg(VIASR, SR2A) | 0x03); + viafb_write_reg(CR91, VIACR, + viafb_read_reg(VIACR, CR91) & 0xDF); + } + if (viaparinfo->chip_info-> + tmds_chip_info.output_interface == INTERFACE_TMDS) { + /* Turn on Display period in the panel path. */ + viafb_write_reg_mask(CR91, VIACR, 0, BIT7); + + /* Turn on TMDS power. */ + viafb_write_reg_mask(CRD2, VIACR, 0, BIT3); + } +} + diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h new file mode 100644 index 000000000000..e1ec37fb0dc3 --- /dev/null +++ b/drivers/video/via/dvi.h @@ -0,0 +1,64 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __DVI_H__ +#define __DVI_H__ + +/*Definition TMDS Device ID register*/ +#define VT1632_DEVICE_ID_REG 0x02 +#define VT1632_DEVICE_ID 0x92 + +#define GET_DVI_SIZE_BY_SYSTEM_BIOS 0x01 +#define GET_DVI_SIZE_BY_VGA_BIOS 0x02 +#define GET_DVI_SZIE_BY_HW_STRAPPING 0x03 + +/* Definition DVI Panel ID*/ +/* Resolution: 640x480, Channel: single, Dithering: Enable */ +#define DVI_PANEL_ID0_640X480 0x00 +/* Resolution: 800x600, Channel: single, Dithering: Enable */ +#define DVI_PANEL_ID1_800x600 0x01 +/* Resolution: 1024x768, Channel: single, Dithering: Enable */ +#define DVI_PANEL_ID1_1024x768 0x02 +/* Resolution: 1280x768, Channel: single, Dithering: Enable */ +#define DVI_PANEL_ID1_1280x768 0x03 +/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */ +#define DVI_PANEL_ID1_1280x1024 0x04 +/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */ +#define DVI_PANEL_ID1_1400x1050 0x05 +/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */ +#define DVI_PANEL_ID1_1600x1200 0x06 + +/* Define the version of EDID*/ +#define EDID_VERSION_1 1 +#define EDID_VERSION_2 2 + +#define DEV_CONNECT_DVI 0x01 +#define DEV_CONNECT_HDMI 0x02 + +struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index); +int viafb_dvi_sense(void); +void viafb_dvi_disable(void); +void viafb_dvi_enable(void); +int viafb_tmds_trasmitter_identify(void); +void viafb_init_dvi_size(void); +void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga); + +#endif /* __DVI_H__ */ diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c new file mode 100644 index 000000000000..468be2425af3 --- /dev/null +++ b/drivers/video/via/global.c @@ -0,0 +1,60 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include "global.h" +int viafb_platform_epia_dvi = STATE_OFF; +int viafb_device_lcd_dualedge = STATE_OFF; +int viafb_bus_width = 12; +int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI; +int viafb_memsize; +int viafb_DeviceStatus = CRT_Device; +int viafb_hotplug; +int viafb_refresh = 60; +int viafb_refresh1 = 60; +int viafb_lcd_dsp_method = LCD_EXPANDSION; +int viafb_lcd_mode = LCD_OPENLDI; +int viafb_bpp = 32; +int viafb_bpp1 = 32; +int viafb_accel = 1; +int viafb_CRT_ON = 1; +int viafb_DVI_ON; +int viafb_LCD_ON ; +int viafb_LCD2_ON; +int viafb_SAMM_ON; +int viafb_dual_fb; +int viafb_hotplug_Xres = 640; +int viafb_hotplug_Yres = 480; +int viafb_hotplug_bpp = 32; +int viafb_hotplug_refresh = 60; +unsigned int viafb_second_offset; +int viafb_second_size; +int viafb_primary_dev = None_Device; +void __iomem *viafb_FB_MM; +unsigned int viafb_second_xres = 640; +unsigned int viafb_second_yres = 480; +unsigned int viafb_second_virtual_xres; +unsigned int viafb_second_virtual_yres; +int viafb_lcd_panel_id = LCD_PANEL_ID_MAXIMUM + 1; +struct fb_cursor viacursor; +struct fb_info *viafbinfo; +struct fb_info *viafbinfo1; +struct viafb_par *viaparinfo; +struct viafb_par *viaparinfo1; + diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h new file mode 100644 index 000000000000..8e5263c5b812 --- /dev/null +++ b/drivers/video/via/global.h @@ -0,0 +1,90 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __GLOBAL_H__ +#define __GLOBAL_H__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "debug.h" + +#include "iface.h" +#include "viafbdev.h" +#include "chip.h" +#include "debug.h" +#include "accel.h" +#include "share.h" +#include "dvi.h" +#include "viamode.h" +#include "via_i2c.h" +#include "hw.h" + +#include "lcd.h" +#include "ioctl.h" +#include "viamode.h" +#include "via_utility.h" +#include "vt1636.h" +#include "tblDPASetting.h" +#include "tbl1636.h" +#include "viafbdev.h" + +/* External struct*/ + +extern int viafb_platform_epia_dvi; +extern int viafb_device_lcd_dualedge; +extern int viafb_bus_width; +extern int viafb_display_hardware_layout; +extern struct offset offset_reg; +extern struct viafb_par *viaparinfo; +extern struct viafb_par *viaparinfo1; +extern struct fb_info *viafbinfo; +extern struct fb_info *viafbinfo1; +extern int viafb_DeviceStatus; +extern int viafb_refresh; +extern int viafb_refresh1; +extern int viafb_lcd_dsp_method; +extern int viafb_lcd_mode; +extern int viafb_bpp; +extern int viafb_bpp1; + +extern int viafb_CRT_ON; +extern int viafb_hotplug_Xres; +extern int viafb_hotplug_Yres; +extern int viafb_hotplug_bpp; +extern int viafb_hotplug_refresh; +extern int viafb_primary_dev; +extern void __iomem *viafb_FB_MM; +extern struct fb_cursor viacursor; + +extern unsigned int viafb_second_xres; +extern unsigned int viafb_second_yres; +extern int viafb_lcd_panel_id; + +#endif /* __GLOBAL_H__ */ -- GitLab From d61e0bf38e3e4adb2c775d64e447f6f9bef67075 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:23 -0700 Subject: [PATCH 5450/6244] viafb: hw.c, hw.h Display HW setting and other chips initialization. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/hw.c | 2865 ++++++++++++++++++++++++++++++++++++++++ drivers/video/via/hw.h | 933 +++++++++++++ 2 files changed, 3798 insertions(+) create mode 100644 drivers/video/via/hw.c create mode 100644 drivers/video/via/hw.h diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c new file mode 100644 index 000000000000..fcd53ceb88fa --- /dev/null +++ b/drivers/video/via/hw.c @@ -0,0 +1,2865 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +static const struct pci_device_id_info pciidlist[] = { + {PCI_VIA_VENDOR_ID, UNICHROME_CLE266_DID, UNICHROME_CLE266}, + {PCI_VIA_VENDOR_ID, UNICHROME_PM800_DID, UNICHROME_PM800}, + {PCI_VIA_VENDOR_ID, UNICHROME_K400_DID, UNICHROME_K400}, + {PCI_VIA_VENDOR_ID, UNICHROME_K800_DID, UNICHROME_K800}, + {PCI_VIA_VENDOR_ID, UNICHROME_CN700_DID, UNICHROME_CN700}, + {PCI_VIA_VENDOR_ID, UNICHROME_P4M890_DID, UNICHROME_P4M890}, + {PCI_VIA_VENDOR_ID, UNICHROME_K8M890_DID, UNICHROME_K8M890}, + {PCI_VIA_VENDOR_ID, UNICHROME_CX700_DID, UNICHROME_CX700}, + {PCI_VIA_VENDOR_ID, UNICHROME_P4M900_DID, UNICHROME_P4M900}, + {PCI_VIA_VENDOR_ID, UNICHROME_CN750_DID, UNICHROME_CN750}, + {PCI_VIA_VENDOR_ID, UNICHROME_VX800_DID, UNICHROME_VX800}, + {0, 0, 0} +}; + +struct offset offset_reg = { + /* IGA1 Offset Register */ + {IGA1_OFFSET_REG_NUM, {{CR13, 0, 7}, {CR35, 5, 7} } }, + /* IGA2 Offset Register */ + {IGA2_OFFSET_REG_NUM, {{CR66, 0, 7}, {CR67, 0, 1} } } +}; + +static struct pll_map pll_value[] = { + {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M, CX700_25_175M}, + {CLK_29_581M, CLE266_PLL_29_581M, K800_PLL_29_581M, CX700_29_581M}, + {CLK_26_880M, CLE266_PLL_26_880M, K800_PLL_26_880M, CX700_26_880M}, + {CLK_31_490M, CLE266_PLL_31_490M, K800_PLL_31_490M, CX700_31_490M}, + {CLK_31_500M, CLE266_PLL_31_500M, K800_PLL_31_500M, CX700_31_500M}, + {CLK_31_728M, CLE266_PLL_31_728M, K800_PLL_31_728M, CX700_31_728M}, + {CLK_32_668M, CLE266_PLL_32_668M, K800_PLL_32_668M, CX700_32_668M}, + {CLK_36_000M, CLE266_PLL_36_000M, K800_PLL_36_000M, CX700_36_000M}, + {CLK_40_000M, CLE266_PLL_40_000M, K800_PLL_40_000M, CX700_40_000M}, + {CLK_41_291M, CLE266_PLL_41_291M, K800_PLL_41_291M, CX700_41_291M}, + {CLK_43_163M, CLE266_PLL_43_163M, K800_PLL_43_163M, CX700_43_163M}, + {CLK_45_250M, CLE266_PLL_45_250M, K800_PLL_45_250M, CX700_45_250M}, + {CLK_46_000M, CLE266_PLL_46_000M, K800_PLL_46_000M, CX700_46_000M}, + {CLK_46_996M, CLE266_PLL_46_996M, K800_PLL_46_996M, CX700_46_996M}, + {CLK_48_000M, CLE266_PLL_48_000M, K800_PLL_48_000M, CX700_48_000M}, + {CLK_48_875M, CLE266_PLL_48_875M, K800_PLL_48_875M, CX700_48_875M}, + {CLK_49_500M, CLE266_PLL_49_500M, K800_PLL_49_500M, CX700_49_500M}, + {CLK_52_406M, CLE266_PLL_52_406M, K800_PLL_52_406M, CX700_52_406M}, + {CLK_52_977M, CLE266_PLL_52_977M, K800_PLL_52_977M, CX700_52_977M}, + {CLK_56_250M, CLE266_PLL_56_250M, K800_PLL_56_250M, CX700_56_250M}, + {CLK_60_466M, CLE266_PLL_60_466M, K800_PLL_60_466M, CX700_60_466M}, + {CLK_61_500M, CLE266_PLL_61_500M, K800_PLL_61_500M, CX700_61_500M}, + {CLK_65_000M, CLE266_PLL_65_000M, K800_PLL_65_000M, CX700_65_000M}, + {CLK_65_178M, CLE266_PLL_65_178M, K800_PLL_65_178M, CX700_65_178M}, + {CLK_66_750M, CLE266_PLL_66_750M, K800_PLL_66_750M, CX700_66_750M}, + {CLK_68_179M, CLE266_PLL_68_179M, K800_PLL_68_179M, CX700_68_179M}, + {CLK_69_924M, CLE266_PLL_69_924M, K800_PLL_69_924M, CX700_69_924M}, + {CLK_70_159M, CLE266_PLL_70_159M, K800_PLL_70_159M, CX700_70_159M}, + {CLK_72_000M, CLE266_PLL_72_000M, K800_PLL_72_000M, CX700_72_000M}, + {CLK_78_750M, CLE266_PLL_78_750M, K800_PLL_78_750M, CX700_78_750M}, + {CLK_80_136M, CLE266_PLL_80_136M, K800_PLL_80_136M, CX700_80_136M}, + {CLK_83_375M, CLE266_PLL_83_375M, K800_PLL_83_375M, CX700_83_375M}, + {CLK_83_950M, CLE266_PLL_83_950M, K800_PLL_83_950M, CX700_83_950M}, + {CLK_84_750M, CLE266_PLL_84_750M, K800_PLL_84_750M, CX700_84_750M}, + {CLK_85_860M, CLE266_PLL_85_860M, K800_PLL_85_860M, CX700_85_860M}, + {CLK_88_750M, CLE266_PLL_88_750M, K800_PLL_88_750M, CX700_88_750M}, + {CLK_94_500M, CLE266_PLL_94_500M, K800_PLL_94_500M, CX700_94_500M}, + {CLK_97_750M, CLE266_PLL_97_750M, K800_PLL_97_750M, CX700_97_750M}, + {CLK_101_000M, CLE266_PLL_101_000M, K800_PLL_101_000M, + CX700_101_000M}, + {CLK_106_500M, CLE266_PLL_106_500M, K800_PLL_106_500M, + CX700_106_500M}, + {CLK_108_000M, CLE266_PLL_108_000M, K800_PLL_108_000M, + CX700_108_000M}, + {CLK_113_309M, CLE266_PLL_113_309M, K800_PLL_113_309M, + CX700_113_309M}, + {CLK_118_840M, CLE266_PLL_118_840M, K800_PLL_118_840M, + CX700_118_840M}, + {CLK_119_000M, CLE266_PLL_119_000M, K800_PLL_119_000M, + CX700_119_000M}, + {CLK_121_750M, CLE266_PLL_121_750M, K800_PLL_121_750M, + CX700_121_750M}, + {CLK_125_104M, CLE266_PLL_125_104M, K800_PLL_125_104M, + CX700_125_104M}, + {CLK_133_308M, CLE266_PLL_133_308M, K800_PLL_133_308M, + CX700_133_308M}, + {CLK_135_000M, CLE266_PLL_135_000M, K800_PLL_135_000M, + CX700_135_000M}, + {CLK_136_700M, CLE266_PLL_136_700M, K800_PLL_136_700M, + CX700_136_700M}, + {CLK_138_400M, CLE266_PLL_138_400M, K800_PLL_138_400M, + CX700_138_400M}, + {CLK_146_760M, CLE266_PLL_146_760M, K800_PLL_146_760M, + CX700_146_760M}, + {CLK_153_920M, CLE266_PLL_153_920M, K800_PLL_153_920M, + CX700_153_920M}, + {CLK_156_000M, CLE266_PLL_156_000M, K800_PLL_156_000M, + CX700_156_000M}, + {CLK_157_500M, CLE266_PLL_157_500M, K800_PLL_157_500M, + CX700_157_500M}, + {CLK_162_000M, CLE266_PLL_162_000M, K800_PLL_162_000M, + CX700_162_000M}, + {CLK_187_000M, CLE266_PLL_187_000M, K800_PLL_187_000M, + CX700_187_000M}, + {CLK_193_295M, CLE266_PLL_193_295M, K800_PLL_193_295M, + CX700_193_295M}, + {CLK_202_500M, CLE266_PLL_202_500M, K800_PLL_202_500M, + CX700_202_500M}, + {CLK_204_000M, CLE266_PLL_204_000M, K800_PLL_204_000M, + CX700_204_000M}, + {CLK_218_500M, CLE266_PLL_218_500M, K800_PLL_218_500M, + CX700_218_500M}, + {CLK_234_000M, CLE266_PLL_234_000M, K800_PLL_234_000M, + CX700_234_000M}, + {CLK_267_250M, CLE266_PLL_267_250M, K800_PLL_267_250M, + CX700_267_250M}, + {CLK_297_500M, CLE266_PLL_297_500M, K800_PLL_297_500M, + CX700_297_500M}, + {CLK_74_481M, CLE266_PLL_74_481M, K800_PLL_74_481M, CX700_74_481M}, + {CLK_172_798M, CLE266_PLL_172_798M, K800_PLL_172_798M, + CX700_172_798M}, + {CLK_122_614M, CLE266_PLL_122_614M, K800_PLL_122_614M, + CX700_122_614M}, + {CLK_74_270M, CLE266_PLL_74_270M, K800_PLL_74_270M, CX700_74_270M}, + {CLK_148_500M, CLE266_PLL_148_500M, K800_PLL_148_500M, + CX700_148_500M} +}; + +static struct fifo_depth_select display_fifo_depth_reg = { + /* IGA1 FIFO Depth_Select */ + {IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } }, + /* IGA2 FIFO Depth_Select */ + {IGA2_FIFO_DEPTH_SELECT_REG_NUM, + {{CR68, 4, 7}, {CR94, 7, 7}, {CR95, 7, 7} } } +}; + +static struct fifo_threshold_select fifo_threshold_select_reg = { + /* IGA1 FIFO Threshold Select */ + {IGA1_FIFO_THRESHOLD_REG_NUM, {{SR16, 0, 5}, {SR16, 7, 7} } }, + /* IGA2 FIFO Threshold Select */ + {IGA2_FIFO_THRESHOLD_REG_NUM, {{CR68, 0, 3}, {CR95, 4, 6} } } +}; + +static struct fifo_high_threshold_select fifo_high_threshold_select_reg = { + /* IGA1 FIFO High Threshold Select */ + {IGA1_FIFO_HIGH_THRESHOLD_REG_NUM, {{SR18, 0, 5}, {SR18, 7, 7} } }, + /* IGA2 FIFO High Threshold Select */ + {IGA2_FIFO_HIGH_THRESHOLD_REG_NUM, {{CR92, 0, 3}, {CR95, 0, 2} } } +}; + +static struct display_queue_expire_num display_queue_expire_num_reg = { + /* IGA1 Display Queue Expire Num */ + {IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{SR22, 0, 4} } }, + /* IGA2 Display Queue Expire Num */ + {IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{CR94, 0, 6} } } +}; + +/* Definition Fetch Count Registers*/ +static struct fetch_count fetch_count_reg = { + /* IGA1 Fetch Count Register */ + {IGA1_FETCH_COUNT_REG_NUM, {{SR1C, 0, 7}, {SR1D, 0, 1} } }, + /* IGA2 Fetch Count Register */ + {IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } } +}; + +static struct iga1_crtc_timing iga1_crtc_reg = { + /* IGA1 Horizontal Total */ + {IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } }, + /* IGA1 Horizontal Addressable Video */ + {IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } }, + /* IGA1 Horizontal Blank Start */ + {IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } }, + /* IGA1 Horizontal Blank End */ + {IGA1_HOR_BLANK_END_REG_NUM, + {{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } }, + /* IGA1 Horizontal Sync Start */ + {IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } }, + /* IGA1 Horizontal Sync End */ + {IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } }, + /* IGA1 Vertical Total */ + {IGA1_VER_TOTAL_REG_NUM, + {{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } }, + /* IGA1 Vertical Addressable Video */ + {IGA1_VER_ADDR_REG_NUM, + {{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } }, + /* IGA1 Vertical Blank Start */ + {IGA1_VER_BLANK_START_REG_NUM, + {{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } }, + /* IGA1 Vertical Blank End */ + {IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } }, + /* IGA1 Vertical Sync Start */ + {IGA1_VER_SYNC_START_REG_NUM, + {{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } }, + /* IGA1 Vertical Sync End */ + {IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } } +}; + +static struct iga2_crtc_timing iga2_crtc_reg = { + /* IGA2 Horizontal Total */ + {IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } }, + /* IGA2 Horizontal Addressable Video */ + {IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } }, + /* IGA2 Horizontal Blank Start */ + {IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } }, + /* IGA2 Horizontal Blank End */ + {IGA2_HOR_BLANK_END_REG_NUM, + {{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } }, + /* IGA2 Horizontal Sync Start */ + {IGA2_HOR_SYNC_START_REG_NUM, + {{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } }, + /* IGA2 Horizontal Sync End */ + {IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } }, + /* IGA2 Vertical Total */ + {IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } }, + /* IGA2 Vertical Addressable Video */ + {IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } }, + /* IGA2 Vertical Blank Start */ + {IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } }, + /* IGA2 Vertical Blank End */ + {IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } }, + /* IGA2 Vertical Sync Start */ + {IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } }, + /* IGA2 Vertical Sync End */ + {IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } } +}; + +static struct rgbLUT palLUT_table[] = { + /* {R,G,B} */ + /* Index 0x00~0x03 */ + {0x00, 0x00, 0x00}, {0x00, 0x00, 0x2A}, {0x00, 0x2A, 0x00}, {0x00, + 0x2A, + 0x2A}, + /* Index 0x04~0x07 */ + {0x2A, 0x00, 0x00}, {0x2A, 0x00, 0x2A}, {0x2A, 0x15, 0x00}, {0x2A, + 0x2A, + 0x2A}, + /* Index 0x08~0x0B */ + {0x15, 0x15, 0x15}, {0x15, 0x15, 0x3F}, {0x15, 0x3F, 0x15}, {0x15, + 0x3F, + 0x3F}, + /* Index 0x0C~0x0F */ + {0x3F, 0x15, 0x15}, {0x3F, 0x15, 0x3F}, {0x3F, 0x3F, 0x15}, {0x3F, + 0x3F, + 0x3F}, + /* Index 0x10~0x13 */ + {0x00, 0x00, 0x00}, {0x05, 0x05, 0x05}, {0x08, 0x08, 0x08}, {0x0B, + 0x0B, + 0x0B}, + /* Index 0x14~0x17 */ + {0x0E, 0x0E, 0x0E}, {0x11, 0x11, 0x11}, {0x14, 0x14, 0x14}, {0x18, + 0x18, + 0x18}, + /* Index 0x18~0x1B */ + {0x1C, 0x1C, 0x1C}, {0x20, 0x20, 0x20}, {0x24, 0x24, 0x24}, {0x28, + 0x28, + 0x28}, + /* Index 0x1C~0x1F */ + {0x2D, 0x2D, 0x2D}, {0x32, 0x32, 0x32}, {0x38, 0x38, 0x38}, {0x3F, + 0x3F, + 0x3F}, + /* Index 0x20~0x23 */ + {0x00, 0x00, 0x3F}, {0x10, 0x00, 0x3F}, {0x1F, 0x00, 0x3F}, {0x2F, + 0x00, + 0x3F}, + /* Index 0x24~0x27 */ + {0x3F, 0x00, 0x3F}, {0x3F, 0x00, 0x2F}, {0x3F, 0x00, 0x1F}, {0x3F, + 0x00, + 0x10}, + /* Index 0x28~0x2B */ + {0x3F, 0x00, 0x00}, {0x3F, 0x10, 0x00}, {0x3F, 0x1F, 0x00}, {0x3F, + 0x2F, + 0x00}, + /* Index 0x2C~0x2F */ + {0x3F, 0x3F, 0x00}, {0x2F, 0x3F, 0x00}, {0x1F, 0x3F, 0x00}, {0x10, + 0x3F, + 0x00}, + /* Index 0x30~0x33 */ + {0x00, 0x3F, 0x00}, {0x00, 0x3F, 0x10}, {0x00, 0x3F, 0x1F}, {0x00, + 0x3F, + 0x2F}, + /* Index 0x34~0x37 */ + {0x00, 0x3F, 0x3F}, {0x00, 0x2F, 0x3F}, {0x00, 0x1F, 0x3F}, {0x00, + 0x10, + 0x3F}, + /* Index 0x38~0x3B */ + {0x1F, 0x1F, 0x3F}, {0x27, 0x1F, 0x3F}, {0x2F, 0x1F, 0x3F}, {0x37, + 0x1F, + 0x3F}, + /* Index 0x3C~0x3F */ + {0x3F, 0x1F, 0x3F}, {0x3F, 0x1F, 0x37}, {0x3F, 0x1F, 0x2F}, {0x3F, + 0x1F, + 0x27}, + /* Index 0x40~0x43 */ + {0x3F, 0x1F, 0x1F}, {0x3F, 0x27, 0x1F}, {0x3F, 0x2F, 0x1F}, {0x3F, + 0x3F, + 0x1F}, + /* Index 0x44~0x47 */ + {0x3F, 0x3F, 0x1F}, {0x37, 0x3F, 0x1F}, {0x2F, 0x3F, 0x1F}, {0x27, + 0x3F, + 0x1F}, + /* Index 0x48~0x4B */ + {0x1F, 0x3F, 0x1F}, {0x1F, 0x3F, 0x27}, {0x1F, 0x3F, 0x2F}, {0x1F, + 0x3F, + 0x37}, + /* Index 0x4C~0x4F */ + {0x1F, 0x3F, 0x3F}, {0x1F, 0x37, 0x3F}, {0x1F, 0x2F, 0x3F}, {0x1F, + 0x27, + 0x3F}, + /* Index 0x50~0x53 */ + {0x2D, 0x2D, 0x3F}, {0x31, 0x2D, 0x3F}, {0x36, 0x2D, 0x3F}, {0x3A, + 0x2D, + 0x3F}, + /* Index 0x54~0x57 */ + {0x3F, 0x2D, 0x3F}, {0x3F, 0x2D, 0x3A}, {0x3F, 0x2D, 0x36}, {0x3F, + 0x2D, + 0x31}, + /* Index 0x58~0x5B */ + {0x3F, 0x2D, 0x2D}, {0x3F, 0x31, 0x2D}, {0x3F, 0x36, 0x2D}, {0x3F, + 0x3A, + 0x2D}, + /* Index 0x5C~0x5F */ + {0x3F, 0x3F, 0x2D}, {0x3A, 0x3F, 0x2D}, {0x36, 0x3F, 0x2D}, {0x31, + 0x3F, + 0x2D}, + /* Index 0x60~0x63 */ + {0x2D, 0x3F, 0x2D}, {0x2D, 0x3F, 0x31}, {0x2D, 0x3F, 0x36}, {0x2D, + 0x3F, + 0x3A}, + /* Index 0x64~0x67 */ + {0x2D, 0x3F, 0x3F}, {0x2D, 0x3A, 0x3F}, {0x2D, 0x36, 0x3F}, {0x2D, + 0x31, + 0x3F}, + /* Index 0x68~0x6B */ + {0x00, 0x00, 0x1C}, {0x07, 0x00, 0x1C}, {0x0E, 0x00, 0x1C}, {0x15, + 0x00, + 0x1C}, + /* Index 0x6C~0x6F */ + {0x1C, 0x00, 0x1C}, {0x1C, 0x00, 0x15}, {0x1C, 0x00, 0x0E}, {0x1C, + 0x00, + 0x07}, + /* Index 0x70~0x73 */ + {0x1C, 0x00, 0x00}, {0x1C, 0x07, 0x00}, {0x1C, 0x0E, 0x00}, {0x1C, + 0x15, + 0x00}, + /* Index 0x74~0x77 */ + {0x1C, 0x1C, 0x00}, {0x15, 0x1C, 0x00}, {0x0E, 0x1C, 0x00}, {0x07, + 0x1C, + 0x00}, + /* Index 0x78~0x7B */ + {0x00, 0x1C, 0x00}, {0x00, 0x1C, 0x07}, {0x00, 0x1C, 0x0E}, {0x00, + 0x1C, + 0x15}, + /* Index 0x7C~0x7F */ + {0x00, 0x1C, 0x1C}, {0x00, 0x15, 0x1C}, {0x00, 0x0E, 0x1C}, {0x00, + 0x07, + 0x1C}, + /* Index 0x80~0x83 */ + {0x0E, 0x0E, 0x1C}, {0x11, 0x0E, 0x1C}, {0x15, 0x0E, 0x1C}, {0x18, + 0x0E, + 0x1C}, + /* Index 0x84~0x87 */ + {0x1C, 0x0E, 0x1C}, {0x1C, 0x0E, 0x18}, {0x1C, 0x0E, 0x15}, {0x1C, + 0x0E, + 0x11}, + /* Index 0x88~0x8B */ + {0x1C, 0x0E, 0x0E}, {0x1C, 0x11, 0x0E}, {0x1C, 0x15, 0x0E}, {0x1C, + 0x18, + 0x0E}, + /* Index 0x8C~0x8F */ + {0x1C, 0x1C, 0x0E}, {0x18, 0x1C, 0x0E}, {0x15, 0x1C, 0x0E}, {0x11, + 0x1C, + 0x0E}, + /* Index 0x90~0x93 */ + {0x0E, 0x1C, 0x0E}, {0x0E, 0x1C, 0x11}, {0x0E, 0x1C, 0x15}, {0x0E, + 0x1C, + 0x18}, + /* Index 0x94~0x97 */ + {0x0E, 0x1C, 0x1C}, {0x0E, 0x18, 0x1C}, {0x0E, 0x15, 0x1C}, {0x0E, + 0x11, + 0x1C}, + /* Index 0x98~0x9B */ + {0x14, 0x14, 0x1C}, {0x16, 0x14, 0x1C}, {0x18, 0x14, 0x1C}, {0x1A, + 0x14, + 0x1C}, + /* Index 0x9C~0x9F */ + {0x1C, 0x14, 0x1C}, {0x1C, 0x14, 0x1A}, {0x1C, 0x14, 0x18}, {0x1C, + 0x14, + 0x16}, + /* Index 0xA0~0xA3 */ + {0x1C, 0x14, 0x14}, {0x1C, 0x16, 0x14}, {0x1C, 0x18, 0x14}, {0x1C, + 0x1A, + 0x14}, + /* Index 0xA4~0xA7 */ + {0x1C, 0x1C, 0x14}, {0x1A, 0x1C, 0x14}, {0x18, 0x1C, 0x14}, {0x16, + 0x1C, + 0x14}, + /* Index 0xA8~0xAB */ + {0x14, 0x1C, 0x14}, {0x14, 0x1C, 0x16}, {0x14, 0x1C, 0x18}, {0x14, + 0x1C, + 0x1A}, + /* Index 0xAC~0xAF */ + {0x14, 0x1C, 0x1C}, {0x14, 0x1A, 0x1C}, {0x14, 0x18, 0x1C}, {0x14, + 0x16, + 0x1C}, + /* Index 0xB0~0xB3 */ + {0x00, 0x00, 0x10}, {0x04, 0x00, 0x10}, {0x08, 0x00, 0x10}, {0x0C, + 0x00, + 0x10}, + /* Index 0xB4~0xB7 */ + {0x10, 0x00, 0x10}, {0x10, 0x00, 0x0C}, {0x10, 0x00, 0x08}, {0x10, + 0x00, + 0x04}, + /* Index 0xB8~0xBB */ + {0x10, 0x00, 0x00}, {0x10, 0x04, 0x00}, {0x10, 0x08, 0x00}, {0x10, + 0x0C, + 0x00}, + /* Index 0xBC~0xBF */ + {0x10, 0x10, 0x00}, {0x0C, 0x10, 0x00}, {0x08, 0x10, 0x00}, {0x04, + 0x10, + 0x00}, + /* Index 0xC0~0xC3 */ + {0x00, 0x10, 0x00}, {0x00, 0x10, 0x04}, {0x00, 0x10, 0x08}, {0x00, + 0x10, + 0x0C}, + /* Index 0xC4~0xC7 */ + {0x00, 0x10, 0x10}, {0x00, 0x0C, 0x10}, {0x00, 0x08, 0x10}, {0x00, + 0x04, + 0x10}, + /* Index 0xC8~0xCB */ + {0x08, 0x08, 0x10}, {0x0A, 0x08, 0x10}, {0x0C, 0x08, 0x10}, {0x0E, + 0x08, + 0x10}, + /* Index 0xCC~0xCF */ + {0x10, 0x08, 0x10}, {0x10, 0x08, 0x0E}, {0x10, 0x08, 0x0C}, {0x10, + 0x08, + 0x0A}, + /* Index 0xD0~0xD3 */ + {0x10, 0x08, 0x08}, {0x10, 0x0A, 0x08}, {0x10, 0x0C, 0x08}, {0x10, + 0x0E, + 0x08}, + /* Index 0xD4~0xD7 */ + {0x10, 0x10, 0x08}, {0x0E, 0x10, 0x08}, {0x0C, 0x10, 0x08}, {0x0A, + 0x10, + 0x08}, + /* Index 0xD8~0xDB */ + {0x08, 0x10, 0x08}, {0x08, 0x10, 0x0A}, {0x08, 0x10, 0x0C}, {0x08, + 0x10, + 0x0E}, + /* Index 0xDC~0xDF */ + {0x08, 0x10, 0x10}, {0x08, 0x0E, 0x10}, {0x08, 0x0C, 0x10}, {0x08, + 0x0A, + 0x10}, + /* Index 0xE0~0xE3 */ + {0x0B, 0x0B, 0x10}, {0x0C, 0x0B, 0x10}, {0x0D, 0x0B, 0x10}, {0x0F, + 0x0B, + 0x10}, + /* Index 0xE4~0xE7 */ + {0x10, 0x0B, 0x10}, {0x10, 0x0B, 0x0F}, {0x10, 0x0B, 0x0D}, {0x10, + 0x0B, + 0x0C}, + /* Index 0xE8~0xEB */ + {0x10, 0x0B, 0x0B}, {0x10, 0x0C, 0x0B}, {0x10, 0x0D, 0x0B}, {0x10, + 0x0F, + 0x0B}, + /* Index 0xEC~0xEF */ + {0x10, 0x10, 0x0B}, {0x0F, 0x10, 0x0B}, {0x0D, 0x10, 0x0B}, {0x0C, + 0x10, + 0x0B}, + /* Index 0xF0~0xF3 */ + {0x0B, 0x10, 0x0B}, {0x0B, 0x10, 0x0C}, {0x0B, 0x10, 0x0D}, {0x0B, + 0x10, + 0x0F}, + /* Index 0xF4~0xF7 */ + {0x0B, 0x10, 0x10}, {0x0B, 0x0F, 0x10}, {0x0B, 0x0D, 0x10}, {0x0B, + 0x0C, + 0x10}, + /* Index 0xF8~0xFB */ + {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, + 0x00, + 0x00}, + /* Index 0xFC~0xFF */ + {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, + 0x00, + 0x00} +}; + +static void set_crt_output_path(int set_iga); +static void dvi_patch_skew_dvp0(void); +static void dvi_patch_skew_dvp1(void); +static void dvi_patch_skew_dvp_low(void); +static void set_dvi_output_path(int set_iga, int output_interface); +static void set_lcd_output_path(int set_iga, int output_interface); +static int search_mode_setting(int ModeInfoIndex); +static void load_fix_bit_crtc_reg(void); +static void init_gfx_chip_info(void); +static void init_tmds_chip_info(void); +static void init_lvds_chip_info(void); +static void device_screen_off(void); +static void device_screen_on(void); +static void set_display_channel(void); +static void device_off(void); +static void device_on(void); +static void enable_second_display_channel(void); +static void disable_second_display_channel(void); +static int get_fb_size_from_pci(void); + +void viafb_write_reg(u8 index, u16 io_port, u8 data) +{ + outb(index, io_port); + outb(data, io_port + 1); + /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, data); */ +} +u8 viafb_read_reg(int io_port, u8 index) +{ + outb(index, io_port); + return inb(io_port + 1); +} + +void viafb_lock_crt(void) +{ + viafb_write_reg_mask(CR11, VIACR, BIT7, BIT7); +} + +void viafb_unlock_crt(void) +{ + viafb_write_reg_mask(CR11, VIACR, 0, BIT7); + viafb_write_reg_mask(CR47, VIACR, 0, BIT0); +} + +void viafb_write_reg_mask(u8 index, int io_port, u8 data, u8 mask) +{ + u8 tmp; + + outb(index, io_port); + tmp = inb(io_port + 1); + outb((data & mask) | (tmp & (~mask)), io_port + 1); + /*DEBUG_MSG(KERN_INFO "\nIndex=%2d Value=%2d", index, tmp); */ +} + +void write_dac_reg(u8 index, u8 r, u8 g, u8 b) +{ + outb(index, LUT_INDEX_WRITE); + outb(r, LUT_DATA); + outb(g, LUT_DATA); + outb(b, LUT_DATA); +} + +/*Set IGA path for each device*/ +void viafb_set_iga_path(void) +{ + + if (viafb_SAMM_ON == 1) { + if (viafb_CRT_ON) { + if (viafb_primary_dev == CRT_Device) + viaparinfo->crt_setting_info->iga_path = IGA1; + else + viaparinfo->crt_setting_info->iga_path = IGA2; + } + + if (viafb_DVI_ON) { + if (viafb_primary_dev == DVI_Device) + viaparinfo->tmds_setting_info->iga_path = IGA1; + else + viaparinfo->tmds_setting_info->iga_path = IGA2; + } + + if (viafb_LCD_ON) { + if (viafb_primary_dev == LCD_Device) { + if (viafb_dual_fb && + (viaparinfo->chip_info->gfx_chip_name == + UNICHROME_CLE266)) { + viaparinfo-> + lvds_setting_info->iga_path = IGA2; + viaparinfo-> + crt_setting_info->iga_path = IGA1; + viaparinfo-> + tmds_setting_info->iga_path = IGA1; + } else + viaparinfo-> + lvds_setting_info->iga_path = IGA1; + } else { + viaparinfo->lvds_setting_info->iga_path = IGA2; + } + } + if (viafb_LCD2_ON) { + if (LCD2_Device == viafb_primary_dev) + viaparinfo->lvds_setting_info2->iga_path = IGA1; + else + viaparinfo->lvds_setting_info2->iga_path = IGA2; + } + } else { + viafb_SAMM_ON = 0; + + if (viafb_CRT_ON && viafb_LCD_ON) { + viaparinfo->crt_setting_info->iga_path = IGA1; + viaparinfo->lvds_setting_info->iga_path = IGA2; + } else if (viafb_CRT_ON && viafb_DVI_ON) { + viaparinfo->crt_setting_info->iga_path = IGA1; + viaparinfo->tmds_setting_info->iga_path = IGA2; + } else if (viafb_LCD_ON && viafb_DVI_ON) { + viaparinfo->tmds_setting_info->iga_path = IGA1; + viaparinfo->lvds_setting_info->iga_path = IGA2; + } else if (viafb_LCD_ON && viafb_LCD2_ON) { + viaparinfo->lvds_setting_info->iga_path = IGA2; + viaparinfo->lvds_setting_info2->iga_path = IGA2; + } else if (viafb_CRT_ON) { + viaparinfo->crt_setting_info->iga_path = IGA1; + } else if (viafb_LCD_ON) { + viaparinfo->lvds_setting_info->iga_path = IGA2; + } else if (viafb_DVI_ON) { + viaparinfo->tmds_setting_info->iga_path = IGA1; + } + } +} + +void viafb_set_start_addr(void) +{ + unsigned long offset = 0, tmp = 0, size = 0; + unsigned long length; + + DEBUG_MSG(KERN_INFO "viafb_set_start_addr!\n"); + viafb_unlock_crt(); + /* update starting address of IGA1 */ + viafb_write_reg(CR0C, VIACR, 0x00); /*initial starting address */ + viafb_write_reg(CR0D, VIACR, 0x00); + viafb_write_reg(CR34, VIACR, 0x00); + viafb_write_reg_mask(CR48, VIACR, 0x00, 0x1F); + + if (viafb_dual_fb) { + viaparinfo->iga_path = IGA1; + viaparinfo1->iga_path = IGA2; + } + + if (viafb_SAMM_ON == 1) { + if (!viafb_dual_fb) { + if (viafb_second_size) + size = viafb_second_size * 1024 * 1024; + else + size = 8 * 1024 * 1024; + } else { + + size = viaparinfo1->memsize; + } + offset = viafb_second_offset; + DEBUG_MSG(KERN_INFO + "viafb_second_size=%lx, second start_adddress=%lx\n", + size, offset); + } + if (viafb_SAMM_ON == 1) { + offset = offset >> 3; + + tmp = viafb_read_reg(VIACR, 0x62) & 0x01; + tmp |= (offset & 0x7F) << 1; + viafb_write_reg(CR62, VIACR, tmp); + viafb_write_reg(CR63, VIACR, ((offset & 0x7F80) >> 7)); + viafb_write_reg(CR64, VIACR, ((offset & 0x7F8000) >> 15)); + viafb_write_reg(CRA3, VIACR, ((offset & 0x3800000) >> 23)); + } else { + /* update starting address */ + viafb_write_reg(CR62, VIACR, 0x00); + viafb_write_reg(CR63, VIACR, 0x00); + viafb_write_reg(CR64, VIACR, 0x00); + viafb_write_reg(CRA3, VIACR, 0x00); + } + + if (viafb_SAMM_ON == 1) { + if (viafb_accel) { + if (!viafb_dual_fb) + length = size - viaparinfo->fbmem_used; + else + length = size - viaparinfo1->fbmem_used; + } else + length = size; + offset = (unsigned long)(void *)viafb_FB_MM + + viafb_second_offset; + memset((void *)offset, 0, length); + } + + viafb_lock_crt(); +} + +void viafb_set_output_path(int device, int set_iga, int output_interface) +{ + switch (device) { + case DEVICE_CRT: + set_crt_output_path(set_iga); + break; + case DEVICE_DVI: + set_dvi_output_path(set_iga, output_interface); + break; + case DEVICE_LCD: + set_lcd_output_path(set_iga, output_interface); + break; + } +} + +static void set_crt_output_path(int set_iga) +{ + viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5); + + switch (set_iga) { + case IGA1: + viafb_write_reg_mask(SR16, VIASR, 0x00, BIT6); + break; + case IGA2: + case IGA1_IGA2: + viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7); + viafb_write_reg_mask(SR16, VIASR, 0x40, BIT6); + if (set_iga == IGA1_IGA2) + viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3); + break; + } +} + +static void dvi_patch_skew_dvp0(void) +{ + /* Reset data driving first: */ + viafb_write_reg_mask(SR1B, VIASR, 0, BIT1); + viafb_write_reg_mask(SR2A, VIASR, 0, BIT4); + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_P4M890: + { + if ((viaparinfo->tmds_setting_info->h_active == 1600) && + (viaparinfo->tmds_setting_info->v_active == + 1200)) + viafb_write_reg_mask(CR96, VIACR, 0x03, + BIT0 + BIT1 + BIT2); + else + viafb_write_reg_mask(CR96, VIACR, 0x07, + BIT0 + BIT1 + BIT2); + break; + } + + case UNICHROME_P4M900: + { + viafb_write_reg_mask(CR96, VIACR, 0x07, + BIT0 + BIT1 + BIT2 + BIT3); + viafb_write_reg_mask(SR1B, VIASR, 0x02, BIT1); + viafb_write_reg_mask(SR2A, VIASR, 0x10, BIT4); + break; + } + + default: + { + break; + } + } +} + +static void dvi_patch_skew_dvp1(void) +{ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CX700: + { + break; + } + + default: + { + break; + } + } +} + +static void dvi_patch_skew_dvp_low(void) +{ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + { + viafb_write_reg_mask(CR99, VIACR, 0x03, BIT0 + BIT1); + break; + } + + case UNICHROME_P4M900: + { + viafb_write_reg_mask(CR99, VIACR, 0x08, + BIT0 + BIT1 + BIT2 + BIT3); + break; + } + + case UNICHROME_P4M890: + { + viafb_write_reg_mask(CR99, VIACR, 0x0F, + BIT0 + BIT1 + BIT2 + BIT3); + break; + } + + default: + { + break; + } + } +} + +static void set_dvi_output_path(int set_iga, int output_interface) +{ + switch (output_interface) { + case INTERFACE_DVP0: + viafb_write_reg_mask(CR6B, VIACR, 0x01, BIT0); + + if (set_iga == IGA1) { + viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4); + viafb_write_reg_mask(CR6C, VIACR, 0x21, BIT0 + + BIT5 + BIT7); + } else { + viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR6C, VIACR, 0xA1, BIT0 + + BIT5 + BIT7); + } + + viafb_write_reg_mask(SR1E, VIASR, 0xC0, BIT7 + BIT6); + + dvi_patch_skew_dvp0(); + break; + + case INTERFACE_DVP1: + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + if (set_iga == IGA1) + viafb_write_reg_mask(CR93, VIACR, 0x21, + BIT0 + BIT5 + BIT7); + else + viafb_write_reg_mask(CR93, VIACR, 0xA1, + BIT0 + BIT5 + BIT7); + } else { + if (set_iga == IGA1) + viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4); + else + viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4); + } + + viafb_write_reg_mask(SR1E, VIASR, 0x30, BIT4 + BIT5); + dvi_patch_skew_dvp1(); + break; + case INTERFACE_DFP_HIGH: + if (viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) { + if (set_iga == IGA1) { + viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4); + viafb_write_reg_mask(CR97, VIACR, 0x03, + BIT0 + BIT1 + BIT4); + } else { + viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR97, VIACR, 0x13, + BIT0 + BIT1 + BIT4); + } + } + viafb_write_reg_mask(SR2A, VIASR, 0x0C, BIT2 + BIT3); + break; + + case INTERFACE_DFP_LOW: + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + break; + + if (set_iga == IGA1) { + viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4); + viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4); + } else { + viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4); + } + + viafb_write_reg_mask(SR2A, VIASR, 0x03, BIT0 + BIT1); + dvi_patch_skew_dvp_low(); + break; + + case INTERFACE_TMDS: + if (set_iga == IGA1) + viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4); + else + viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4); + break; + } + + if (set_iga == IGA2) { + enable_second_display_channel(); + /* Disable LCD Scaling */ + viafb_write_reg_mask(CR79, VIACR, 0x00, BIT0); + } +} + +static void set_lcd_output_path(int set_iga, int output_interface) +{ + DEBUG_MSG(KERN_INFO + "set_lcd_output_path, iga:%d,out_interface:%d\n", + set_iga, output_interface); + switch (set_iga) { + case IGA1: + viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3); + viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); + + disable_second_display_channel(); + break; + + case IGA2: + viafb_write_reg_mask(CR6B, VIACR, 0x00, BIT3); + viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); + + enable_second_display_channel(); + break; + + case IGA1_IGA2: + viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3); + viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); + + disable_second_display_channel(); + break; + } + + switch (output_interface) { + case INTERFACE_DVP0: + if (set_iga == IGA1) { + viafb_write_reg_mask(CR96, VIACR, 0x00, BIT4); + } else { + viafb_write_reg(CR91, VIACR, 0x00); + viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4); + } + break; + + case INTERFACE_DVP1: + if (set_iga == IGA1) + viafb_write_reg_mask(CR9B, VIACR, 0x00, BIT4); + else { + viafb_write_reg(CR91, VIACR, 0x00); + viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4); + } + break; + + case INTERFACE_DFP_HIGH: + if (set_iga == IGA1) + viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4); + else { + viafb_write_reg(CR91, VIACR, 0x00); + viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR96, VIACR, 0x10, BIT4); + } + break; + + case INTERFACE_DFP_LOW: + if (set_iga == IGA1) + viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4); + else { + viafb_write_reg(CR91, VIACR, 0x00); + viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR9B, VIACR, 0x10, BIT4); + } + + break; + + case INTERFACE_DFP: + if ((UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name) + || (UNICHROME_P4M890 == + viaparinfo->chip_info->gfx_chip_name)) + viafb_write_reg_mask(CR97, VIACR, 0x84, + BIT7 + BIT2 + BIT1 + BIT0); + if (set_iga == IGA1) { + viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4); + viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4); + } else { + viafb_write_reg(CR91, VIACR, 0x00); + viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4); + viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4); + } + break; + + case INTERFACE_LVDS0: + case INTERFACE_LVDS0LVDS1: + if (set_iga == IGA1) + viafb_write_reg_mask(CR99, VIACR, 0x00, BIT4); + else + viafb_write_reg_mask(CR99, VIACR, 0x10, BIT4); + + break; + + case INTERFACE_LVDS1: + if (set_iga == IGA1) + viafb_write_reg_mask(CR97, VIACR, 0x00, BIT4); + else + viafb_write_reg_mask(CR97, VIACR, 0x10, BIT4); + break; + } +} + +/* Search Mode Index */ +static int search_mode_setting(int ModeInfoIndex) +{ + int i = 0; + + while ((i < NUM_TOTAL_MODETABLE) && + (ModeInfoIndex != CLE266Modes[i].ModeIndex)) + i++; + if (i >= NUM_TOTAL_MODETABLE) + i = 0; + return i; + +} + +struct VideoModeTable *viafb_get_modetbl_pointer(int Index) +{ + struct VideoModeTable *TmpTbl = NULL; + TmpTbl = &CLE266Modes[search_mode_setting(Index)]; + return TmpTbl; +} + +struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index) +{ + struct VideoModeTable *TmpTbl = NULL; + int i = 0; + while ((i < NUM_TOTAL_CEA_MODES) && + (Index != CEA_HDMI_Modes[i].ModeIndex)) + i++; + if ((i < NUM_TOTAL_CEA_MODES)) + TmpTbl = &CEA_HDMI_Modes[i]; + else { + /*Still use general timing if don't find CEA timing */ + i = 0; + while ((i < NUM_TOTAL_MODETABLE) && + (Index != CLE266Modes[i].ModeIndex)) + i++; + if (i >= NUM_TOTAL_MODETABLE) + i = 0; + TmpTbl = &CLE266Modes[i]; + } + return TmpTbl; +} + +static void load_fix_bit_crtc_reg(void) +{ + /* always set to 1 */ + viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7); + /* line compare should set all bits = 1 (extend modes) */ + viafb_write_reg(CR18, VIACR, 0xff); + /* line compare should set all bits = 1 (extend modes) */ + viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4); + /* line compare should set all bits = 1 (extend modes) */ + viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6); + /* line compare should set all bits = 1 (extend modes) */ + viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4); + /* line compare should set all bits = 1 (extend modes) */ + viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2); + /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */ + /* extend mode always set to e3h */ + viafb_write_reg(CR17, VIACR, 0xe3); + /* extend mode always set to 0h */ + viafb_write_reg(CR08, VIACR, 0x00); + /* extend mode always set to 0h */ + viafb_write_reg(CR14, VIACR, 0x00); + + /* If K8M800, enable Prefetch Mode. */ + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) + || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890)) + viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3); + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX)) + viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1); + +} + +void viafb_load_reg(int timing_value, int viafb_load_reg_num, + struct io_register *reg, + int io_type) +{ + int reg_mask; + int bit_num = 0; + int data; + int i, j; + int shift_next_reg; + int start_index, end_index, cr_index; + u16 get_bit; + + for (i = 0; i < viafb_load_reg_num; i++) { + reg_mask = 0; + data = 0; + start_index = reg[i].start_bit; + end_index = reg[i].end_bit; + cr_index = reg[i].io_addr; + + shift_next_reg = bit_num; + for (j = start_index; j <= end_index; j++) { + /*if (bit_num==8) timing_value = timing_value >>8; */ + reg_mask = reg_mask | (BIT0 << j); + get_bit = (timing_value & (BIT0 << bit_num)); + data = + data | ((get_bit >> shift_next_reg) << start_index); + bit_num++; + } + if (io_type == VIACR) + viafb_write_reg_mask(cr_index, VIACR, data, reg_mask); + else + viafb_write_reg_mask(cr_index, VIASR, data, reg_mask); + } + +} + +/* Write Registers */ +void viafb_write_regx(struct io_reg RegTable[], int ItemNum) +{ + int i; + unsigned char RegTemp; + + /*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */ + + for (i = 0; i < ItemNum; i++) { + outb(RegTable[i].index, RegTable[i].port); + RegTemp = inb(RegTable[i].port + 1); + RegTemp = (RegTemp & (~RegTable[i].mask)) | RegTable[i].value; + outb(RegTemp, RegTable[i].port + 1); + } +} + +void viafb_load_offset_reg(int h_addr, int bpp_byte, int set_iga) +{ + int reg_value; + int viafb_load_reg_num; + struct io_register *reg; + + switch (set_iga) { + case IGA1_IGA2: + case IGA1: + reg_value = IGA1_OFFSET_FORMULA(h_addr, bpp_byte); + viafb_load_reg_num = offset_reg.iga1_offset_reg.reg_num; + reg = offset_reg.iga1_offset_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + if (set_iga == IGA1) + break; + case IGA2: + reg_value = IGA2_OFFSET_FORMULA(h_addr, bpp_byte); + viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num; + reg = offset_reg.iga2_offset_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + break; + } +} + +void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga) +{ + int reg_value; + int viafb_load_reg_num; + struct io_register *reg = NULL; + + switch (set_iga) { + case IGA1_IGA2: + case IGA1: + reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte); + viafb_load_reg_num = fetch_count_reg. + iga1_fetch_count_reg.reg_num; + reg = fetch_count_reg.iga1_fetch_count_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); + if (set_iga == IGA1) + break; + case IGA2: + reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte); + viafb_load_reg_num = fetch_count_reg. + iga2_fetch_count_reg.reg_num; + reg = fetch_count_reg.iga2_fetch_count_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + break; + } + +} + +void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active) +{ + int reg_value; + int viafb_load_reg_num; + struct io_register *reg = NULL; + int iga1_fifo_max_depth = 0, iga1_fifo_threshold = + 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0; + int iga2_fifo_max_depth = 0, iga2_fifo_threshold = + 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0; + + if (set_iga == IGA1) { + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { + iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + K800_IGA1_FIFO_HIGH_THRESHOLD; + /* If resolution > 1280x1024, expire length = 64, else + expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga1_display_queue_expire_num = 16; + else + iga1_display_queue_expire_num = + K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) { + iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + P880_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + + /* If resolution > 1280x1024, expire length = 64, else + expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga1_display_queue_expire_num = 16; + else + iga1_display_queue_expire_num = + P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) { + iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + CN700_IGA1_FIFO_HIGH_THRESHOLD; + + /* If resolution > 1280x1024, expire length = 64, + else expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga1_display_queue_expire_num = 16; + else + iga1_display_queue_expire_num = + CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { + iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + CX700_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) { + iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + K8M890_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) { + iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + P4M890_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) { + iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + P4M900_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) { + iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH; + iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD; + iga1_fifo_high_threshold = + VX800_IGA1_FIFO_HIGH_THRESHOLD; + iga1_display_queue_expire_num = + VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM; + } + + /* Set Display FIFO Depath Select */ + reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth); + viafb_load_reg_num = + display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num; + reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); + + /* Set Display FIFO Threshold Select */ + reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold); + viafb_load_reg_num = + fifo_threshold_select_reg. + iga1_fifo_threshold_select_reg.reg_num; + reg = + fifo_threshold_select_reg. + iga1_fifo_threshold_select_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); + + /* Set FIFO High Threshold Select */ + reg_value = + IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold); + viafb_load_reg_num = + fifo_high_threshold_select_reg. + iga1_fifo_high_threshold_select_reg.reg_num; + reg = + fifo_high_threshold_select_reg. + iga1_fifo_high_threshold_select_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); + + /* Set Display Queue Expire Num */ + reg_value = + IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA + (iga1_display_queue_expire_num); + viafb_load_reg_num = + display_queue_expire_num_reg. + iga1_display_queue_expire_num_reg.reg_num; + reg = + display_queue_expire_num_reg. + iga1_display_queue_expire_num_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR); + + } else { + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { + iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + K800_IGA2_FIFO_HIGH_THRESHOLD; + + /* If resolution > 1280x1024, expire length = 64, + else expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga2_display_queue_expire_num = 16; + else + iga2_display_queue_expire_num = + K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) { + iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + P880_IGA2_FIFO_HIGH_THRESHOLD; + + /* If resolution > 1280x1024, expire length = 64, + else expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga2_display_queue_expire_num = 16; + else + iga2_display_queue_expire_num = + P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) { + iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + CN700_IGA2_FIFO_HIGH_THRESHOLD; + + /* If resolution > 1280x1024, expire length = 64, + else expire length = 128 */ + if ((hor_active > 1280) && (ver_active > 1024)) + iga2_display_queue_expire_num = 16; + else + iga2_display_queue_expire_num = + CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { + iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + CX700_IGA2_FIFO_HIGH_THRESHOLD; + iga2_display_queue_expire_num = + CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) { + iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + K8M890_IGA2_FIFO_HIGH_THRESHOLD; + iga2_display_queue_expire_num = + K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) { + iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + P4M890_IGA2_FIFO_HIGH_THRESHOLD; + iga2_display_queue_expire_num = + P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) { + iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + P4M900_IGA2_FIFO_HIGH_THRESHOLD; + iga2_display_queue_expire_num = + P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) { + iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH; + iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD; + iga2_fifo_high_threshold = + VX800_IGA2_FIFO_HIGH_THRESHOLD; + iga2_display_queue_expire_num = + VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM; + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) { + /* Set Display FIFO Depath Select */ + reg_value = + IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth) + - 1; + /* Patch LCD in IGA2 case */ + viafb_load_reg_num = + display_fifo_depth_reg. + iga2_fifo_depth_select_reg.reg_num; + reg = + display_fifo_depth_reg. + iga2_fifo_depth_select_reg.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + } else { + + /* Set Display FIFO Depath Select */ + reg_value = + IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth); + viafb_load_reg_num = + display_fifo_depth_reg. + iga2_fifo_depth_select_reg.reg_num; + reg = + display_fifo_depth_reg. + iga2_fifo_depth_select_reg.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + } + + /* Set Display FIFO Threshold Select */ + reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold); + viafb_load_reg_num = + fifo_threshold_select_reg. + iga2_fifo_threshold_select_reg.reg_num; + reg = + fifo_threshold_select_reg. + iga2_fifo_threshold_select_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + + /* Set FIFO High Threshold Select */ + reg_value = + IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold); + viafb_load_reg_num = + fifo_high_threshold_select_reg. + iga2_fifo_high_threshold_select_reg.reg_num; + reg = + fifo_high_threshold_select_reg. + iga2_fifo_high_threshold_select_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + + /* Set Display Queue Expire Num */ + reg_value = + IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA + (iga2_display_queue_expire_num); + viafb_load_reg_num = + display_queue_expire_num_reg. + iga2_display_queue_expire_num_reg.reg_num; + reg = + display_queue_expire_num_reg. + iga2_display_queue_expire_num_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + + } + +} + +u32 viafb_get_clk_value(int clk) +{ + int i; + + for (i = 0; i < NUM_TOTAL_PLL_TABLE; i++) { + if (clk == pll_value[i].clk) { + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + return pll_value[i].cle266_pll; + + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + return pll_value[i].k800_pll; + + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + case UNICHROME_VX800: + return pll_value[i].cx700_pll; + } + } + } + + DEBUG_MSG(KERN_INFO "Can't find match PLL value\n\n"); + return 0; +} + +/* Set VCLK*/ +void viafb_set_vclock(u32 CLK, int set_iga) +{ + unsigned char RegTemp; + + /* H.W. Reset : ON */ + viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); + + if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) { + /* Change D,N FOR VCLK */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + viafb_write_reg(SR46, VIASR, CLK / 0x100); + viafb_write_reg(SR47, VIASR, CLK % 0x100); + break; + + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + case UNICHROME_VX800: + viafb_write_reg(SR44, VIASR, CLK / 0x10000); + DEBUG_MSG(KERN_INFO "\nSR44=%x", CLK / 0x10000); + viafb_write_reg(SR45, VIASR, (CLK & 0xFFFF) / 0x100); + DEBUG_MSG(KERN_INFO "\nSR45=%x", + (CLK & 0xFFFF) / 0x100); + viafb_write_reg(SR46, VIASR, CLK % 0x100); + DEBUG_MSG(KERN_INFO "\nSR46=%x", CLK % 0x100); + break; + } + } + + if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) { + /* Change D,N FOR LCK */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + viafb_write_reg(SR44, VIASR, CLK / 0x100); + viafb_write_reg(SR45, VIASR, CLK % 0x100); + break; + + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + case UNICHROME_VX800: + viafb_write_reg(SR4A, VIASR, CLK / 0x10000); + viafb_write_reg(SR4B, VIASR, (CLK & 0xFFFF) / 0x100); + viafb_write_reg(SR4C, VIASR, CLK % 0x100); + break; + } + } + + /* H.W. Reset : OFF */ + viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); + + /* Reset PLL */ + if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) { + viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1); + viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1); + } + + if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) { + viafb_write_reg_mask(SR40, VIASR, 0x01, BIT0); + viafb_write_reg_mask(SR40, VIASR, 0x00, BIT0); + } + + /* Fire! */ + RegTemp = inb(VIARMisc); + outb(RegTemp | (BIT2 + BIT3), VIAWMisc); +} + +void viafb_load_crtc_timing(struct display_timing device_timing, + int set_iga) +{ + int i; + int viafb_load_reg_num = 0; + int reg_value = 0; + struct io_register *reg = NULL; + + viafb_unlock_crt(); + + for (i = 0; i < 12; i++) { + if (set_iga == IGA1) { + switch (i) { + case H_TOTAL_INDEX: + reg_value = + IGA1_HOR_TOTAL_FORMULA(device_timing. + hor_total); + viafb_load_reg_num = + iga1_crtc_reg.hor_total.reg_num; + reg = iga1_crtc_reg.hor_total.reg; + break; + case H_ADDR_INDEX: + reg_value = + IGA1_HOR_ADDR_FORMULA(device_timing. + hor_addr); + viafb_load_reg_num = + iga1_crtc_reg.hor_addr.reg_num; + reg = iga1_crtc_reg.hor_addr.reg; + break; + case H_BLANK_START_INDEX: + reg_value = + IGA1_HOR_BLANK_START_FORMULA + (device_timing.hor_blank_start); + viafb_load_reg_num = + iga1_crtc_reg.hor_blank_start.reg_num; + reg = iga1_crtc_reg.hor_blank_start.reg; + break; + case H_BLANK_END_INDEX: + reg_value = + IGA1_HOR_BLANK_END_FORMULA + (device_timing.hor_blank_start, + device_timing.hor_blank_end); + viafb_load_reg_num = + iga1_crtc_reg.hor_blank_end.reg_num; + reg = iga1_crtc_reg.hor_blank_end.reg; + break; + case H_SYNC_START_INDEX: + reg_value = + IGA1_HOR_SYNC_START_FORMULA + (device_timing.hor_sync_start); + viafb_load_reg_num = + iga1_crtc_reg.hor_sync_start.reg_num; + reg = iga1_crtc_reg.hor_sync_start.reg; + break; + case H_SYNC_END_INDEX: + reg_value = + IGA1_HOR_SYNC_END_FORMULA + (device_timing.hor_sync_start, + device_timing.hor_sync_end); + viafb_load_reg_num = + iga1_crtc_reg.hor_sync_end.reg_num; + reg = iga1_crtc_reg.hor_sync_end.reg; + break; + case V_TOTAL_INDEX: + reg_value = + IGA1_VER_TOTAL_FORMULA(device_timing. + ver_total); + viafb_load_reg_num = + iga1_crtc_reg.ver_total.reg_num; + reg = iga1_crtc_reg.ver_total.reg; + break; + case V_ADDR_INDEX: + reg_value = + IGA1_VER_ADDR_FORMULA(device_timing. + ver_addr); + viafb_load_reg_num = + iga1_crtc_reg.ver_addr.reg_num; + reg = iga1_crtc_reg.ver_addr.reg; + break; + case V_BLANK_START_INDEX: + reg_value = + IGA1_VER_BLANK_START_FORMULA + (device_timing.ver_blank_start); + viafb_load_reg_num = + iga1_crtc_reg.ver_blank_start.reg_num; + reg = iga1_crtc_reg.ver_blank_start.reg; + break; + case V_BLANK_END_INDEX: + reg_value = + IGA1_VER_BLANK_END_FORMULA + (device_timing.ver_blank_start, + device_timing.ver_blank_end); + viafb_load_reg_num = + iga1_crtc_reg.ver_blank_end.reg_num; + reg = iga1_crtc_reg.ver_blank_end.reg; + break; + case V_SYNC_START_INDEX: + reg_value = + IGA1_VER_SYNC_START_FORMULA + (device_timing.ver_sync_start); + viafb_load_reg_num = + iga1_crtc_reg.ver_sync_start.reg_num; + reg = iga1_crtc_reg.ver_sync_start.reg; + break; + case V_SYNC_END_INDEX: + reg_value = + IGA1_VER_SYNC_END_FORMULA + (device_timing.ver_sync_start, + device_timing.ver_sync_end); + viafb_load_reg_num = + iga1_crtc_reg.ver_sync_end.reg_num; + reg = iga1_crtc_reg.ver_sync_end.reg; + break; + + } + } + + if (set_iga == IGA2) { + switch (i) { + case H_TOTAL_INDEX: + reg_value = + IGA2_HOR_TOTAL_FORMULA(device_timing. + hor_total); + viafb_load_reg_num = + iga2_crtc_reg.hor_total.reg_num; + reg = iga2_crtc_reg.hor_total.reg; + break; + case H_ADDR_INDEX: + reg_value = + IGA2_HOR_ADDR_FORMULA(device_timing. + hor_addr); + viafb_load_reg_num = + iga2_crtc_reg.hor_addr.reg_num; + reg = iga2_crtc_reg.hor_addr.reg; + break; + case H_BLANK_START_INDEX: + reg_value = + IGA2_HOR_BLANK_START_FORMULA + (device_timing.hor_blank_start); + viafb_load_reg_num = + iga2_crtc_reg.hor_blank_start.reg_num; + reg = iga2_crtc_reg.hor_blank_start.reg; + break; + case H_BLANK_END_INDEX: + reg_value = + IGA2_HOR_BLANK_END_FORMULA + (device_timing.hor_blank_start, + device_timing.hor_blank_end); + viafb_load_reg_num = + iga2_crtc_reg.hor_blank_end.reg_num; + reg = iga2_crtc_reg.hor_blank_end.reg; + break; + case H_SYNC_START_INDEX: + reg_value = + IGA2_HOR_SYNC_START_FORMULA + (device_timing.hor_sync_start); + if (UNICHROME_CN700 <= + viaparinfo->chip_info->gfx_chip_name) + viafb_load_reg_num = + iga2_crtc_reg.hor_sync_start. + reg_num; + else + viafb_load_reg_num = 3; + reg = iga2_crtc_reg.hor_sync_start.reg; + break; + case H_SYNC_END_INDEX: + reg_value = + IGA2_HOR_SYNC_END_FORMULA + (device_timing.hor_sync_start, + device_timing.hor_sync_end); + viafb_load_reg_num = + iga2_crtc_reg.hor_sync_end.reg_num; + reg = iga2_crtc_reg.hor_sync_end.reg; + break; + case V_TOTAL_INDEX: + reg_value = + IGA2_VER_TOTAL_FORMULA(device_timing. + ver_total); + viafb_load_reg_num = + iga2_crtc_reg.ver_total.reg_num; + reg = iga2_crtc_reg.ver_total.reg; + break; + case V_ADDR_INDEX: + reg_value = + IGA2_VER_ADDR_FORMULA(device_timing. + ver_addr); + viafb_load_reg_num = + iga2_crtc_reg.ver_addr.reg_num; + reg = iga2_crtc_reg.ver_addr.reg; + break; + case V_BLANK_START_INDEX: + reg_value = + IGA2_VER_BLANK_START_FORMULA + (device_timing.ver_blank_start); + viafb_load_reg_num = + iga2_crtc_reg.ver_blank_start.reg_num; + reg = iga2_crtc_reg.ver_blank_start.reg; + break; + case V_BLANK_END_INDEX: + reg_value = + IGA2_VER_BLANK_END_FORMULA + (device_timing.ver_blank_start, + device_timing.ver_blank_end); + viafb_load_reg_num = + iga2_crtc_reg.ver_blank_end.reg_num; + reg = iga2_crtc_reg.ver_blank_end.reg; + break; + case V_SYNC_START_INDEX: + reg_value = + IGA2_VER_SYNC_START_FORMULA + (device_timing.ver_sync_start); + viafb_load_reg_num = + iga2_crtc_reg.ver_sync_start.reg_num; + reg = iga2_crtc_reg.ver_sync_start.reg; + break; + case V_SYNC_END_INDEX: + reg_value = + IGA2_VER_SYNC_END_FORMULA + (device_timing.ver_sync_start, + device_timing.ver_sync_end); + viafb_load_reg_num = + iga2_crtc_reg.ver_sync_end.reg_num; + reg = iga2_crtc_reg.ver_sync_end.reg; + break; + + } + } + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + } + + viafb_lock_crt(); +} + +void viafb_set_color_depth(int bpp_byte, int set_iga) +{ + if (set_iga == IGA1) { + switch (bpp_byte) { + case MODE_8BPP: + viafb_write_reg_mask(SR15, VIASR, 0x22, 0x7E); + break; + case MODE_16BPP: + viafb_write_reg_mask(SR15, VIASR, 0xB6, 0xFE); + break; + case MODE_32BPP: + viafb_write_reg_mask(SR15, VIASR, 0xAE, 0xFE); + break; + } + } else { + switch (bpp_byte) { + case MODE_8BPP: + viafb_write_reg_mask(CR67, VIACR, 0x00, BIT6 + BIT7); + break; + case MODE_16BPP: + viafb_write_reg_mask(CR67, VIACR, 0x40, BIT6 + BIT7); + break; + case MODE_32BPP: + viafb_write_reg_mask(CR67, VIACR, 0xC0, BIT6 + BIT7); + break; + } + } +} + +void viafb_fill_crtc_timing(struct crt_mode_table *crt_table, + int mode_index, int bpp_byte, int set_iga) +{ + struct VideoModeTable *video_mode; + struct display_timing crt_reg; + int i; + int index = 0; + int h_addr, v_addr; + u32 pll_D_N; + + video_mode = &CLE266Modes[search_mode_setting(mode_index)]; + + for (i = 0; i < video_mode->mode_array; i++) { + index = i; + + if (crt_table[i].refresh_rate == viaparinfo-> + crt_setting_info->refresh_rate) + break; + } + + crt_reg = crt_table[index].crtc; + + /* Mode 640x480 has border, but LCD/DFP didn't have border. */ + /* So we would delete border. */ + if ((viafb_LCD_ON | viafb_DVI_ON) && (mode_index == VIA_RES_640X480) + && (viaparinfo->crt_setting_info->refresh_rate == 60)) { + /* The border is 8 pixels. */ + crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8; + + /* Blanking time should add left and right borders. */ + crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16; + } + + h_addr = crt_reg.hor_addr; + v_addr = crt_reg.ver_addr; + + /* update polarity for CRT timing */ + if (crt_table[index].h_sync_polarity == NEGATIVE) { + if (crt_table[index].v_sync_polarity == NEGATIVE) + outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | + (BIT6 + BIT7), VIAWMisc); + else + outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT6), + VIAWMisc); + } else { + if (crt_table[index].v_sync_polarity == NEGATIVE) + outb((inb(VIARMisc) & (~(BIT6 + BIT7))) | (BIT7), + VIAWMisc); + else + outb((inb(VIARMisc) & (~(BIT6 + BIT7))), VIAWMisc); + } + + if (set_iga == IGA1) { + viafb_unlock_crt(); + viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */ + viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6); + viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); + } + + switch (set_iga) { + case IGA1: + viafb_load_crtc_timing(crt_reg, IGA1); + break; + case IGA2: + viafb_load_crtc_timing(crt_reg, IGA2); + break; + } + + load_fix_bit_crtc_reg(); + viafb_lock_crt(); + viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); + viafb_load_offset_reg(h_addr, bpp_byte, set_iga); + viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga); + + /* load FIFO */ + if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) + && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400)) + viafb_load_FIFO_reg(set_iga, h_addr, v_addr); + + /* load SR Register About Memory and Color part */ + viafb_set_color_depth(bpp_byte, set_iga); + + pll_D_N = viafb_get_clk_value(crt_table[index].clk); + DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N); + viafb_set_vclock(pll_D_N, set_iga); + +} + +void viafb_init_chip_info(void) +{ + init_gfx_chip_info(); + init_tmds_chip_info(); + init_lvds_chip_info(); + + viaparinfo->crt_setting_info->iga_path = IGA1; + viaparinfo->crt_setting_info->refresh_rate = viafb_refresh; + + /*Set IGA path for each device */ + viafb_set_iga_path(); + + viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method; + viaparinfo->lvds_setting_info->get_lcd_size_method = + GET_LCD_SIZE_BY_USER_SETTING; + viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode; + viaparinfo->lvds_setting_info2->display_method = + viaparinfo->lvds_setting_info->display_method; + viaparinfo->lvds_setting_info2->lcd_mode = + viaparinfo->lvds_setting_info->lcd_mode; +} + +void viafb_update_device_setting(int hres, int vres, + int bpp, int vmode_refresh, int flag) +{ + if (flag == 0) { + viaparinfo->crt_setting_info->h_active = hres; + viaparinfo->crt_setting_info->v_active = vres; + viaparinfo->crt_setting_info->bpp = bpp; + viaparinfo->crt_setting_info->refresh_rate = + vmode_refresh; + + viaparinfo->tmds_setting_info->h_active = hres; + viaparinfo->tmds_setting_info->v_active = vres; + viaparinfo->tmds_setting_info->bpp = bpp; + viaparinfo->tmds_setting_info->refresh_rate = + vmode_refresh; + + viaparinfo->lvds_setting_info->h_active = hres; + viaparinfo->lvds_setting_info->v_active = vres; + viaparinfo->lvds_setting_info->bpp = bpp; + viaparinfo->lvds_setting_info->refresh_rate = + vmode_refresh; + viaparinfo->lvds_setting_info2->h_active = hres; + viaparinfo->lvds_setting_info2->v_active = vres; + viaparinfo->lvds_setting_info2->bpp = bpp; + viaparinfo->lvds_setting_info2->refresh_rate = + vmode_refresh; + } else { + + if (viaparinfo->tmds_setting_info->iga_path == IGA2) { + viaparinfo->tmds_setting_info->h_active = hres; + viaparinfo->tmds_setting_info->v_active = vres; + viaparinfo->tmds_setting_info->bpp = bpp; + viaparinfo->tmds_setting_info->refresh_rate = + vmode_refresh; + } + + if (viaparinfo->lvds_setting_info->iga_path == IGA2) { + viaparinfo->lvds_setting_info->h_active = hres; + viaparinfo->lvds_setting_info->v_active = vres; + viaparinfo->lvds_setting_info->bpp = bpp; + viaparinfo->lvds_setting_info->refresh_rate = + vmode_refresh; + } + if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) { + viaparinfo->lvds_setting_info2->h_active = hres; + viaparinfo->lvds_setting_info2->v_active = vres; + viaparinfo->lvds_setting_info2->bpp = bpp; + viaparinfo->lvds_setting_info2->refresh_rate = + vmode_refresh; + } + } +} + +static void init_gfx_chip_info(void) +{ + struct pci_dev *pdev = NULL; + u32 i; + u8 tmp; + + /* Indentify GFX Chip Name */ + for (i = 0; pciidlist[i].vendor != 0; i++) { + pdev = pci_get_device(pciidlist[i].vendor, + pciidlist[i].device, 0); + if (pdev) + break; + } + + if (!pciidlist[i].vendor) + return ; + + viaparinfo->chip_info->gfx_chip_name = pciidlist[i].chip_index; + + /* Check revision of CLE266 Chip */ + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + /* CR4F only define in CLE266.CX chip */ + tmp = viafb_read_reg(VIACR, CR4F); + viafb_write_reg(CR4F, VIACR, 0x55); + if (viafb_read_reg(VIACR, CR4F) != 0x55) + viaparinfo->chip_info->gfx_chip_revision = + CLE266_REVISION_AX; + else + viaparinfo->chip_info->gfx_chip_revision = + CLE266_REVISION_CX; + /* restore orignal CR4F value */ + viafb_write_reg(CR4F, VIACR, tmp); + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { + tmp = viafb_read_reg(VIASR, SR43); + DEBUG_MSG(KERN_INFO "SR43:%X\n", tmp); + if (tmp & 0x02) { + viaparinfo->chip_info->gfx_chip_revision = + CX700_REVISION_700M2; + } else if (tmp & 0x40) { + viaparinfo->chip_info->gfx_chip_revision = + CX700_REVISION_700M; + } else { + viaparinfo->chip_info->gfx_chip_revision = + CX700_REVISION_700; + } + } + + pci_dev_put(pdev); +} + +static void init_tmds_chip_info(void) +{ + viafb_tmds_trasmitter_identify(); + + if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info. + output_interface) { + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CX700: + { + /* we should check support by hardware layout.*/ + if ((viafb_display_hardware_layout == + HW_LAYOUT_DVI_ONLY) + || (viafb_display_hardware_layout == + HW_LAYOUT_LCD_DVI)) { + viaparinfo->chip_info->tmds_chip_info. + output_interface = INTERFACE_TMDS; + } else { + viaparinfo->chip_info->tmds_chip_info. + output_interface = + INTERFACE_NONE; + } + break; + } + case UNICHROME_K8M890: + case UNICHROME_P4M900: + case UNICHROME_P4M890: + /* TMDS on PCIE, we set DFPLOW as default. */ + viaparinfo->chip_info->tmds_chip_info.output_interface = + INTERFACE_DFP_LOW; + break; + default: + { + /* set DVP1 default for DVI */ + viaparinfo->chip_info->tmds_chip_info + .output_interface = INTERFACE_DVP1; + } + } + } + + DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n", + viaparinfo->chip_info->tmds_chip_info.tmds_chip_name); + viaparinfo->tmds_setting_info->get_dvi_size_method = + GET_DVI_SIZE_BY_VGA_BIOS; + viafb_init_dvi_size(); +} + +static void init_lvds_chip_info(void) +{ + if (viafb_lcd_panel_id > LCD_PANEL_ID_MAXIMUM) + viaparinfo->lvds_setting_info->get_lcd_size_method = + GET_LCD_SIZE_BY_VGA_BIOS; + else + viaparinfo->lvds_setting_info->get_lcd_size_method = + GET_LCD_SIZE_BY_USER_SETTING; + + viafb_lvds_trasmitter_identify(); + viafb_init_lcd_size(); + viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info, + viaparinfo->lvds_setting_info); + if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { + viafb_init_lvds_output_interface(&viaparinfo->chip_info-> + lvds_chip_info2, viaparinfo->lvds_setting_info2); + } + /*If CX700,two singel LCD, we need to reassign + LCD interface to different LVDS port */ + if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name) + && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) { + if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info. + lvds_chip_name) && (INTEGRATED_LVDS == + viaparinfo->chip_info-> + lvds_chip_info2.lvds_chip_name)) { + viaparinfo->chip_info->lvds_chip_info.output_interface = + INTERFACE_LVDS0; + viaparinfo->chip_info->lvds_chip_info2. + output_interface = + INTERFACE_LVDS1; + } + } + + DEBUG_MSG(KERN_INFO "LVDS Chip = %d\n", + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); + DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n", + viaparinfo->chip_info->lvds_chip_info.output_interface); + DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n", + viaparinfo->chip_info->lvds_chip_info.output_interface); +} + +void viafb_init_dac(int set_iga) +{ + int i; + u8 tmp; + + if (set_iga == IGA1) { + /* access Primary Display's LUT */ + viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0); + /* turn off LCK */ + viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6); + for (i = 0; i < 256; i++) { + write_dac_reg(i, palLUT_table[i].red, + palLUT_table[i].green, + palLUT_table[i].blue); + } + /* turn on LCK */ + viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6); + } else { + tmp = viafb_read_reg(VIACR, CR6A); + /* access Secondary Display's LUT */ + viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6); + viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0); + for (i = 0; i < 256; i++) { + write_dac_reg(i, palLUT_table[i].red, + palLUT_table[i].green, + palLUT_table[i].blue); + } + /* set IGA1 DAC for default */ + viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0); + viafb_write_reg(CR6A, VIACR, tmp); + } +} + +static void device_screen_off(void) +{ + /* turn off CRT screen (IGA1) */ + viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5); +} + +static void device_screen_on(void) +{ + /* turn on CRT screen (IGA1) */ + viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5); +} + +static void set_display_channel(void) +{ + /*If viafb_LCD2_ON, on cx700, internal lvds's information + is keeped on lvds_setting_info2 */ + if (viafb_LCD2_ON && + viaparinfo->lvds_setting_info2->device_lcd_dualedge) { + /* For dual channel LCD: */ + /* Set to Dual LVDS channel. */ + viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5); + } else if (viafb_LCD_ON && viafb_DVI_ON) { + /* For LCD+DFP: */ + /* Set to LVDS1 + TMDS channel. */ + viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5); + } else if (viafb_DVI_ON) { + /* Set to single TMDS channel. */ + viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5); + } else if (viafb_LCD_ON) { + if (viaparinfo->lvds_setting_info->device_lcd_dualedge) { + /* For dual channel LCD: */ + /* Set to Dual LVDS channel. */ + viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5); + } else { + /* Set to LVDS0 + LVDS1 channel. */ + viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5); + } + } +} + +int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp, + int vmode_index1, int hor_res1, int ver_res1, int video_bpp1) +{ + int i, j; + int port; + u8 value, index, mask; + struct VideoModeTable *vmode_tbl; + struct crt_mode_table *crt_timing; + struct VideoModeTable *vmode_tbl1 = NULL; + struct crt_mode_table *crt_timing1 = NULL; + + DEBUG_MSG(KERN_INFO "Set Mode!!\n"); + DEBUG_MSG(KERN_INFO + "vmode_index=%d hor_res=%d ver_res=%d video_bpp=%d\n", + vmode_index, hor_res, ver_res, video_bpp); + + device_screen_off(); + vmode_tbl = &CLE266Modes[search_mode_setting(vmode_index)]; + crt_timing = vmode_tbl->crtc; + + if (viafb_SAMM_ON == 1) { + vmode_tbl1 = &CLE266Modes[search_mode_setting(vmode_index1)]; + crt_timing1 = vmode_tbl1->crtc; + } + + inb(VIAStatus); + outb(0x00, VIAAR); + + /* Write Common Setting for Video Mode */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs); + break; + + case UNICHROME_K400: + viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs); + break; + + case UNICHROME_K800: + case UNICHROME_PM800: + viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs); + break; + + case UNICHROME_CN700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs); + break; + + case UNICHROME_CX700: + viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs); + + case UNICHROME_VX800: + viafb_write_regx(VX800_ModeXregs, NUM_TOTAL_VX800_ModeXregs); + + break; + } + + device_off(); + + /* Fill VPIT Parameters */ + /* Write Misc Register */ + outb(VPIT.Misc, VIAWMisc); + + /* Write Sequencer */ + for (i = 1; i <= StdSR; i++) { + outb(i, VIASR); + outb(VPIT.SR[i - 1], VIASR + 1); + } + + viafb_set_start_addr(); + viafb_set_iga_path(); + + /* Write CRTC */ + viafb_fill_crtc_timing(crt_timing, vmode_index, video_bpp / 8, IGA1); + + /* Write Graphic Controller */ + for (i = 0; i < StdGR; i++) { + outb(i, VIAGR); + outb(VPIT.GR[i], VIAGR + 1); + } + + /* Write Attribute Controller */ + for (i = 0; i < StdAR; i++) { + inb(VIAStatus); + outb(i, VIAAR); + outb(VPIT.AR[i], VIAAR); + } + + inb(VIAStatus); + outb(0x20, VIAAR); + + /* Update Patch Register */ + + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)) { + for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) { + if (res_patch_table[i].mode_index == vmode_index) { + for (j = 0; + j < res_patch_table[i].table_length; j++) { + index = + res_patch_table[i]. + io_reg_table[j].index; + port = + res_patch_table[i]. + io_reg_table[j].port; + value = + res_patch_table[i]. + io_reg_table[j].value; + mask = + res_patch_table[i]. + io_reg_table[j].mask; + viafb_write_reg_mask(index, port, value, + mask); + } + } + } + } + + if (viafb_SAMM_ON == 1) { + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) + || (viaparinfo->chip_info->gfx_chip_name == + UNICHROME_K400)) { + for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) { + if (res_patch_table[i].mode_index == + vmode_index1) { + for (j = 0; + j < + res_patch_table[i]. + table_length; j++) { + index = + res_patch_table[i]. + io_reg_table[j].index; + port = + res_patch_table[i]. + io_reg_table[j].port; + value = + res_patch_table[i]. + io_reg_table[j].value; + mask = + res_patch_table[i]. + io_reg_table[j].mask; + viafb_write_reg_mask(index, + port, value, mask); + } + } + } + } + } + + /* Update Refresh Rate Setting */ + + /* Clear On Screen */ + + /* CRT set mode */ + if (viafb_CRT_ON) { + if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path == + IGA2)) { + viafb_fill_crtc_timing(crt_timing1, vmode_index1, + video_bpp1 / 8, + viaparinfo->crt_setting_info->iga_path); + } else { + viafb_fill_crtc_timing(crt_timing, vmode_index, + video_bpp / 8, + viaparinfo->crt_setting_info->iga_path); + } + + set_crt_output_path(viaparinfo->crt_setting_info->iga_path); + + /* Patch if set_hres is not 8 alignment (1366) to viafb_setmode + to 8 alignment (1368),there is several pixels (2 pixels) + on right side of screen. */ + if (hor_res % 8) { + viafb_unlock_crt(); + viafb_write_reg(CR02, VIACR, + viafb_read_reg(VIACR, CR02) - 1); + viafb_lock_crt(); + } + } + + if (viafb_DVI_ON) { + if (viafb_SAMM_ON && + (viaparinfo->tmds_setting_info->iga_path == IGA2)) { + viafb_dvi_set_mode(viafb_get_mode_index + (viaparinfo->tmds_setting_info->h_active, + viaparinfo->tmds_setting_info-> + v_active, 1), + video_bpp1, viaparinfo-> + tmds_setting_info->iga_path); + } else { + viafb_dvi_set_mode(viafb_get_mode_index + (viaparinfo->tmds_setting_info->h_active, + viaparinfo-> + tmds_setting_info->v_active, 0), + video_bpp, viaparinfo-> + tmds_setting_info->iga_path); + } + } + + if (viafb_LCD_ON) { + if (viafb_SAMM_ON && + (viaparinfo->lvds_setting_info->iga_path == IGA2)) { + viaparinfo->lvds_setting_info->bpp = video_bpp1; + viafb_lcd_set_mode(crt_timing1, viaparinfo-> + lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + } else { + /* IGA1 doesn't have LCD scaling, so set it center. */ + if (viaparinfo->lvds_setting_info->iga_path == IGA1) { + viaparinfo->lvds_setting_info->display_method = + LCD_CENTERING; + } + viaparinfo->lvds_setting_info->bpp = video_bpp; + viafb_lcd_set_mode(crt_timing, viaparinfo-> + lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + } + } + if (viafb_LCD2_ON) { + if (viafb_SAMM_ON && + (viaparinfo->lvds_setting_info2->iga_path == IGA2)) { + viaparinfo->lvds_setting_info2->bpp = video_bpp1; + viafb_lcd_set_mode(crt_timing1, viaparinfo-> + lvds_setting_info2, + &viaparinfo->chip_info->lvds_chip_info2); + } else { + /* IGA1 doesn't have LCD scaling, so set it center. */ + if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { + viaparinfo->lvds_setting_info2->display_method = + LCD_CENTERING; + } + viaparinfo->lvds_setting_info2->bpp = video_bpp; + viafb_lcd_set_mode(crt_timing, viaparinfo-> + lvds_setting_info2, + &viaparinfo->chip_info->lvds_chip_info2); + } + } + + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) + && (viafb_LCD_ON || viafb_DVI_ON)) + set_display_channel(); + + /* If set mode normally, save resolution information for hot-plug . */ + if (!viafb_hotplug) { + viafb_hotplug_Xres = hor_res; + viafb_hotplug_Yres = ver_res; + viafb_hotplug_bpp = video_bpp; + viafb_hotplug_refresh = viafb_refresh; + + if (viafb_DVI_ON) + viafb_DeviceStatus = DVI_Device; + else + viafb_DeviceStatus = CRT_Device; + } + device_on(); + + if (viafb_SAMM_ON == 1) + viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7); + + device_screen_on(); + return 1; +} + +int viafb_get_pixclock(int hres, int vres, int vmode_refresh) +{ + int i; + + for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) { + if ((hres == res_map_refresh_tbl[i].hres) + && (vres == res_map_refresh_tbl[i].vres) + && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh)) + return res_map_refresh_tbl[i].pixclock; + } + return RES_640X480_60HZ_PIXCLOCK; + +} + +int viafb_get_refresh(int hres, int vres, u32 long_refresh) +{ +#define REFRESH_TOLERANCE 3 + int i, nearest = -1, diff = REFRESH_TOLERANCE; + for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) { + if ((hres == res_map_refresh_tbl[i].hres) + && (vres == res_map_refresh_tbl[i].vres) + && (diff > (abs(long_refresh - + res_map_refresh_tbl[i].vmode_refresh)))) { + diff = abs(long_refresh - res_map_refresh_tbl[i]. + vmode_refresh); + nearest = i; + } + } +#undef REFRESH_TOLERANCE + if (nearest > 0) + return res_map_refresh_tbl[nearest].vmode_refresh; + return 60; +} + +static void device_off(void) +{ + viafb_crt_disable(); + viafb_dvi_disable(); + viafb_lcd_disable(); +} + +static void device_on(void) +{ + if (viafb_CRT_ON == 1) + viafb_crt_enable(); + if (viafb_DVI_ON == 1) + viafb_dvi_enable(); + if (viafb_LCD_ON == 1) + viafb_lcd_enable(); +} + +void viafb_crt_disable(void) +{ + viafb_write_reg_mask(CR36, VIACR, BIT5 + BIT4, BIT5 + BIT4); +} + +void viafb_crt_enable(void) +{ + viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4); +} + +void viafb_get_mmio_info(unsigned long *mmio_base, + unsigned long *mmio_len) +{ + struct pci_dev *pdev = NULL; + u32 vendor, device; + u32 i; + + for (i = 0; pciidlist[i].vendor != 0; i++) + if (viaparinfo->chip_info->gfx_chip_name == + pciidlist[i].chip_index) + break; + + if (!pciidlist[i].vendor) + return ; + + vendor = pciidlist[i].vendor; + device = pciidlist[i].device; + + pdev = pci_get_device(vendor, device, NULL); + + if (!pdev) { + *mmio_base = 0; + *mmio_len = 0; + return ; + } + + *mmio_base = pci_resource_start(pdev, 1); + *mmio_len = pci_resource_len(pdev, 1); + + pci_dev_put(pdev); +} + +static void enable_second_display_channel(void) +{ + /* to enable second display channel. */ + viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6); + viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7); + viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6); +} + +static void disable_second_display_channel(void) +{ + /* to disable second display channel. */ + viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6); + viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7); + viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6); +} + +void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len) +{ + struct pci_dev *pdev = NULL; + u32 vendor, device; + u32 i; + + for (i = 0; pciidlist[i].vendor != 0; i++) + if (viaparinfo->chip_info->gfx_chip_name == + pciidlist[i].chip_index) + break; + + if (!pciidlist[i].vendor) + return ; + + vendor = pciidlist[i].vendor; + device = pciidlist[i].device; + + pdev = pci_get_device(vendor, device, NULL); + + if (!pdev) { + *fb_base = viafb_read_reg(VIASR, SR30) << 24; + *fb_len = viafb_get_memsize(); + DEBUG_MSG(KERN_INFO "Get FB info from SR30!\n"); + DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base); + DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len); + return ; + } + + *fb_base = (unsigned int)pci_resource_start(pdev, 0); + *fb_len = get_fb_size_from_pci(); + DEBUG_MSG(KERN_INFO "Get FB info from PCI system!\n"); + DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base); + DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len); + + pci_dev_put(pdev); +} + +static int get_fb_size_from_pci(void) +{ + unsigned long configid, deviceid, FBSize = 0; + int VideoMemSize; + int DeviceFound = false; + + for (configid = 0x80000000; configid < 0x80010800; configid += 0x100) { + outl(configid, (unsigned long)0xCF8); + deviceid = (inl((unsigned long)0xCFC) >> 16) & 0xffff; + + switch (deviceid) { + case CLE266: + case KM400: + outl(configid + 0xE0, (unsigned long)0xCF8); + FBSize = inl((unsigned long)0xCFC); + DeviceFound = true; /* Found device id */ + break; + + case CN400_FUNCTION3: + case CN700_FUNCTION3: + case CX700_FUNCTION3: + case KM800_FUNCTION3: + case KM890_FUNCTION3: + case P4M890_FUNCTION3: + case P4M900_FUNCTION3: + case VX800_FUNCTION3: + /*case CN750_FUNCTION3: */ + outl(configid + 0xA0, (unsigned long)0xCF8); + FBSize = inl((unsigned long)0xCFC); + DeviceFound = true; /* Found device id */ + break; + + default: + break; + } + + if (DeviceFound) + break; + } + + DEBUG_MSG(KERN_INFO "Device ID = %lx\n", deviceid); + + FBSize = FBSize & 0x00007000; + DEBUG_MSG(KERN_INFO "FB Size = %x\n", FBSize); + + if (viaparinfo->chip_info->gfx_chip_name < UNICHROME_CX700) { + switch (FBSize) { + case 0x00004000: + VideoMemSize = (16 << 20); /*16M */ + break; + + case 0x00005000: + VideoMemSize = (32 << 20); /*32M */ + break; + + case 0x00006000: + VideoMemSize = (64 << 20); /*64M */ + break; + + default: + VideoMemSize = (32 << 20); /*32M */ + break; + } + } else { + switch (FBSize) { + case 0x00001000: + VideoMemSize = (8 << 20); /*8M */ + break; + + case 0x00002000: + VideoMemSize = (16 << 20); /*16M */ + break; + + case 0x00003000: + VideoMemSize = (32 << 20); /*32M */ + break; + + case 0x00004000: + VideoMemSize = (64 << 20); /*64M */ + break; + + case 0x00005000: + VideoMemSize = (128 << 20); /*128M */ + break; + + case 0x00006000: + VideoMemSize = (256 << 20); /*256M */ + break; + + default: + VideoMemSize = (32 << 20); /*32M */ + break; + } + } + + return VideoMemSize; +} + +void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ + *p_gfx_dpa_setting) +{ + switch (output_interface) { + case INTERFACE_DVP0: + { + /* DVP0 Clock Polarity and Adjust: */ + viafb_write_reg_mask(CR96, VIACR, + p_gfx_dpa_setting->DVP0, 0x0F); + + /* DVP0 Clock and Data Pads Driving: */ + viafb_write_reg_mask(SR1E, VIASR, + p_gfx_dpa_setting->DVP0ClockDri_S, BIT2); + viafb_write_reg_mask(SR2A, VIASR, + p_gfx_dpa_setting->DVP0ClockDri_S1, + BIT4); + viafb_write_reg_mask(SR1B, VIASR, + p_gfx_dpa_setting->DVP0DataDri_S, BIT1); + viafb_write_reg_mask(SR2A, VIASR, + p_gfx_dpa_setting->DVP0DataDri_S1, BIT5); + break; + } + + case INTERFACE_DVP1: + { + /* DVP1 Clock Polarity and Adjust: */ + viafb_write_reg_mask(CR9B, VIACR, + p_gfx_dpa_setting->DVP1, 0x0F); + + /* DVP1 Clock and Data Pads Driving: */ + viafb_write_reg_mask(SR65, VIASR, + p_gfx_dpa_setting->DVP1Driving, 0x0F); + break; + } + + case INTERFACE_DFP_HIGH: + { + viafb_write_reg_mask(CR97, VIACR, + p_gfx_dpa_setting->DFPHigh, 0x0F); + break; + } + + case INTERFACE_DFP_LOW: + { + viafb_write_reg_mask(CR99, VIACR, + p_gfx_dpa_setting->DFPLow, 0x0F); + break; + } + + case INTERFACE_DFP: + { + viafb_write_reg_mask(CR97, VIACR, + p_gfx_dpa_setting->DFPHigh, 0x0F); + viafb_write_reg_mask(CR99, VIACR, + p_gfx_dpa_setting->DFPLow, 0x0F); + break; + } + } +} + +void viafb_memory_pitch_patch(struct fb_info *info) +{ + if (info->var.xres != info->var.xres_virtual) { + viafb_load_offset_reg(info->var.xres_virtual, + info->var.bits_per_pixel >> 3, IGA1); + + if (viafb_SAMM_ON) { + viafb_load_offset_reg(viafb_second_virtual_xres, + viafb_bpp1 >> 3, + IGA2); + } else { + viafb_load_offset_reg(info->var.xres_virtual, + info->var.bits_per_pixel >> 3, IGA2); + } + + } +} + +/*According var's xres, yres fill var's other timing information*/ +void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh, + int mode_index) +{ + struct VideoModeTable *vmode_tbl = NULL; + struct crt_mode_table *crt_timing = NULL; + struct display_timing crt_reg; + int i = 0, index = 0; + vmode_tbl = &CLE266Modes[search_mode_setting(mode_index)]; + crt_timing = vmode_tbl->crtc; + for (i = 0; i < vmode_tbl->mode_array; i++) { + index = i; + if (crt_timing[i].refresh_rate == refresh) + break; + } + + crt_reg = crt_timing[index].crtc; + switch (var->bits_per_pixel) { + case 8: + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 6; + var->green.length = 6; + var->blue.length = 6; + break; + case 16: + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + break; + case 32: + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + break; + default: + /* never happed, put here to keep consistent */ + break; + } + + var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh); + var->left_margin = + crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end); + var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr; + var->hsync_len = crt_reg.hor_sync_end; + var->upper_margin = + crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end); + var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr; + var->vsync_len = crt_reg.ver_sync_end; +} diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h new file mode 100644 index 000000000000..6ff38fa8569a --- /dev/null +++ b/drivers/video/via/hw.h @@ -0,0 +1,933 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __HW_H__ +#define __HW_H__ + +#include "global.h" + +/*************************************************** +* Definition IGA1 Design Method of CRTC Registers * +****************************************************/ +#define IGA1_HOR_TOTAL_FORMULA(x) (((x)/8)-5) +#define IGA1_HOR_ADDR_FORMULA(x) (((x)/8)-1) +#define IGA1_HOR_BLANK_START_FORMULA(x) (((x)/8)-1) +#define IGA1_HOR_BLANK_END_FORMULA(x, y) (((x+y)/8)-1) +#define IGA1_HOR_SYNC_START_FORMULA(x) ((x)/8) +#define IGA1_HOR_SYNC_END_FORMULA(x, y) ((x+y)/8) + +#define IGA1_VER_TOTAL_FORMULA(x) ((x)-2) +#define IGA1_VER_ADDR_FORMULA(x) ((x)-1) +#define IGA1_VER_BLANK_START_FORMULA(x) ((x)-1) +#define IGA1_VER_BLANK_END_FORMULA(x, y) ((x+y)-1) +#define IGA1_VER_SYNC_START_FORMULA(x) ((x)-1) +#define IGA1_VER_SYNC_END_FORMULA(x, y) ((x+y)-1) + +/*************************************************** +** Definition IGA2 Design Method of CRTC Registers * +****************************************************/ +#define IGA2_HOR_TOTAL_FORMULA(x) ((x)-1) +#define IGA2_HOR_ADDR_FORMULA(x) ((x)-1) +#define IGA2_HOR_BLANK_START_FORMULA(x) ((x)-1) +#define IGA2_HOR_BLANK_END_FORMULA(x, y) ((x+y)-1) +#define IGA2_HOR_SYNC_START_FORMULA(x) ((x)-1) +#define IGA2_HOR_SYNC_END_FORMULA(x, y) ((x+y)-1) + +#define IGA2_VER_TOTAL_FORMULA(x) ((x)-1) +#define IGA2_VER_ADDR_FORMULA(x) ((x)-1) +#define IGA2_VER_BLANK_START_FORMULA(x) ((x)-1) +#define IGA2_VER_BLANK_END_FORMULA(x, y) ((x+y)-1) +#define IGA2_VER_SYNC_START_FORMULA(x) ((x)-1) +#define IGA2_VER_SYNC_END_FORMULA(x, y) ((x+y)-1) + +/**********************************************************/ +/* Definition IGA2 Design Method of CRTC Shadow Registers */ +/**********************************************************/ +#define IGA2_HOR_TOTAL_SHADOW_FORMULA(x) ((x/8)-5) +#define IGA2_HOR_BLANK_END_SHADOW_FORMULA(x, y) (((x+y)/8)-1) +#define IGA2_VER_TOTAL_SHADOW_FORMULA(x) ((x)-2) +#define IGA2_VER_ADDR_SHADOW_FORMULA(x) ((x)-1) +#define IGA2_VER_BLANK_START_SHADOW_FORMULA(x) ((x)-1) +#define IGA2_VER_BLANK_END_SHADOW_FORMULA(x, y) ((x+y)-1) +#define IGA2_VER_SYNC_START_SHADOW_FORMULA(x) (x) +#define IGA2_VER_SYNC_END_SHADOW_FORMULA(x, y) (x+y) + +/* Define Register Number for IGA1 CRTC Timing */ + +/* location: {CR00,0,7},{CR36,3,3} */ +#define IGA1_HOR_TOTAL_REG_NUM 2 +/* location: {CR01,0,7} */ +#define IGA1_HOR_ADDR_REG_NUM 1 +/* location: {CR02,0,7} */ +#define IGA1_HOR_BLANK_START_REG_NUM 1 +/* location: {CR03,0,4},{CR05,7,7},{CR33,5,5} */ +#define IGA1_HOR_BLANK_END_REG_NUM 3 +/* location: {CR04,0,7},{CR33,4,4} */ +#define IGA1_HOR_SYNC_START_REG_NUM 2 +/* location: {CR05,0,4} */ +#define IGA1_HOR_SYNC_END_REG_NUM 1 +/* location: {CR06,0,7},{CR07,0,0},{CR07,5,5},{CR35,0,0} */ +#define IGA1_VER_TOTAL_REG_NUM 4 +/* location: {CR12,0,7},{CR07,1,1},{CR07,6,6},{CR35,2,2} */ +#define IGA1_VER_ADDR_REG_NUM 4 +/* location: {CR15,0,7},{CR07,3,3},{CR09,5,5},{CR35,3,3} */ +#define IGA1_VER_BLANK_START_REG_NUM 4 +/* location: {CR16,0,7} */ +#define IGA1_VER_BLANK_END_REG_NUM 1 +/* location: {CR10,0,7},{CR07,2,2},{CR07,7,7},{CR35,1,1} */ +#define IGA1_VER_SYNC_START_REG_NUM 4 +/* location: {CR11,0,3} */ +#define IGA1_VER_SYNC_END_REG_NUM 1 + +/* Define Register Number for IGA2 Shadow CRTC Timing */ + +/* location: {CR6D,0,7},{CR71,3,3} */ +#define IGA2_SHADOW_HOR_TOTAL_REG_NUM 2 +/* location: {CR6E,0,7} */ +#define IGA2_SHADOW_HOR_BLANK_END_REG_NUM 1 +/* location: {CR6F,0,7},{CR71,0,2} */ +#define IGA2_SHADOW_VER_TOTAL_REG_NUM 2 +/* location: {CR70,0,7},{CR71,4,6} */ +#define IGA2_SHADOW_VER_ADDR_REG_NUM 2 +/* location: {CR72,0,7},{CR74,4,6} */ +#define IGA2_SHADOW_VER_BLANK_START_REG_NUM 2 +/* location: {CR73,0,7},{CR74,0,2} */ +#define IGA2_SHADOW_VER_BLANK_END_REG_NUM 2 +/* location: {CR75,0,7},{CR76,4,6} */ +#define IGA2_SHADOW_VER_SYNC_START_REG_NUM 2 +/* location: {CR76,0,3} */ +#define IGA2_SHADOW_VER_SYNC_END_REG_NUM 1 + +/* Define Register Number for IGA2 CRTC Timing */ + +/* location: {CR50,0,7},{CR55,0,3} */ +#define IGA2_HOR_TOTAL_REG_NUM 2 +/* location: {CR51,0,7},{CR55,4,6} */ +#define IGA2_HOR_ADDR_REG_NUM 2 +/* location: {CR52,0,7},{CR54,0,2} */ +#define IGA2_HOR_BLANK_START_REG_NUM 2 +/* location: CLE266: {CR53,0,7},{CR54,3,5} => CLE266's CR5D[6] +is reserved, so it may have problem to set 1600x1200 on IGA2. */ +/* Others: {CR53,0,7},{CR54,3,5},{CR5D,6,6} */ +#define IGA2_HOR_BLANK_END_REG_NUM 3 +/* location: {CR56,0,7},{CR54,6,7},{CR5C,7,7} */ +/* VT3314 and Later: {CR56,0,7},{CR54,6,7},{CR5C,7,7}, {CR5D,7,7} */ +#define IGA2_HOR_SYNC_START_REG_NUM 4 + +/* location: {CR57,0,7},{CR5C,6,6} */ +#define IGA2_HOR_SYNC_END_REG_NUM 2 +/* location: {CR58,0,7},{CR5D,0,2} */ +#define IGA2_VER_TOTAL_REG_NUM 2 +/* location: {CR59,0,7},{CR5D,3,5} */ +#define IGA2_VER_ADDR_REG_NUM 2 +/* location: {CR5A,0,7},{CR5C,0,2} */ +#define IGA2_VER_BLANK_START_REG_NUM 2 +/* location: {CR5E,0,7},{CR5C,3,5} */ +#define IGA2_VER_BLANK_END_REG_NUM 2 +/* location: {CR5E,0,7},{CR5F,5,7} */ +#define IGA2_VER_SYNC_START_REG_NUM 2 +/* location: {CR5F,0,4} */ +#define IGA2_VER_SYNC_END_REG_NUM 1 + +/* Define Offset and Fetch Count Register*/ + +/* location: {CR13,0,7},{CR35,5,7} */ +#define IGA1_OFFSET_REG_NUM 2 +/* 8 bytes alignment. */ +#define IGA1_OFFSER_ALIGN_BYTE 8 +/* x: H resolution, y: color depth */ +#define IGA1_OFFSET_FORMULA(x, y) ((x*y)/IGA1_OFFSER_ALIGN_BYTE) +/* location: {SR1C,0,7},{SR1D,0,1} */ +#define IGA1_FETCH_COUNT_REG_NUM 2 +/* 16 bytes alignment. */ +#define IGA1_FETCH_COUNT_ALIGN_BYTE 16 +/* x: H resolution, y: color depth */ +#define IGA1_FETCH_COUNT_PATCH_VALUE 4 +#define IGA1_FETCH_COUNT_FORMULA(x, y) \ + (((x*y)/IGA1_FETCH_COUNT_ALIGN_BYTE) + IGA1_FETCH_COUNT_PATCH_VALUE) + +/* location: {CR66,0,7},{CR67,0,1} */ +#define IGA2_OFFSET_REG_NUM 2 +#define IGA2_OFFSET_ALIGN_BYTE 8 +/* x: H resolution, y: color depth */ +#define IGA2_OFFSET_FORMULA(x, y) ((x*y)/IGA2_OFFSET_ALIGN_BYTE) +/* location: {CR65,0,7},{CR67,2,3} */ +#define IGA2_FETCH_COUNT_REG_NUM 2 +#define IGA2_FETCH_COUNT_ALIGN_BYTE 16 +#define IGA2_FETCH_COUNT_PATCH_VALUE 0 +#define IGA2_FETCH_COUNT_FORMULA(x, y) \ + (((x*y)/IGA2_FETCH_COUNT_ALIGN_BYTE) + IGA2_FETCH_COUNT_PATCH_VALUE) + +/* Staring Address*/ + +/* location: {CR0C,0,7},{CR0D,0,7},{CR34,0,7},{CR48,0,1} */ +#define IGA1_STARTING_ADDR_REG_NUM 4 +/* location: {CR62,1,7},{CR63,0,7},{CR64,0,7} */ +#define IGA2_STARTING_ADDR_REG_NUM 3 + +/* Define Display OFFSET*/ +/* These value are by HW suggested value*/ +/* location: {SR17,0,7} */ +#define K800_IGA1_FIFO_MAX_DEPTH 384 +/* location: {SR16,0,5},{SR16,7,7} */ +#define K800_IGA1_FIFO_THRESHOLD 328 +/* location: {SR18,0,5},{SR18,7,7} */ +#define K800_IGA1_FIFO_HIGH_THRESHOLD 296 +/* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */ + /* because HW only 5 bits */ +#define K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 0 + +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define K800_IGA2_FIFO_MAX_DEPTH 384 +/* location: {CR68,0,3},{CR95,4,6} */ +#define K800_IGA2_FIFO_THRESHOLD 328 +/* location: {CR92,0,3},{CR95,0,2} */ +#define K800_IGA2_FIFO_HIGH_THRESHOLD 296 +/* location: {CR94,0,6} */ +#define K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 128 + +/* location: {SR17,0,7} */ +#define P880_IGA1_FIFO_MAX_DEPTH 192 +/* location: {SR16,0,5},{SR16,7,7} */ +#define P880_IGA1_FIFO_THRESHOLD 128 +/* location: {SR18,0,5},{SR18,7,7} */ +#define P880_IGA1_FIFO_HIGH_THRESHOLD 64 +/* location: {SR22,0,4}. (128/4) =64, K800 must be set zero, */ + /* because HW only 5 bits */ +#define P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 0 + +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define P880_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define P880_IGA2_FIFO_THRESHOLD 64 +/* location: {CR92,0,3},{CR95,0,2} */ +#define P880_IGA2_FIFO_HIGH_THRESHOLD 32 +/* location: {CR94,0,6} */ +#define P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 128 + +/* VT3314 chipset*/ + +/* location: {SR17,0,7} */ +#define CN700_IGA1_FIFO_MAX_DEPTH 96 +/* location: {SR16,0,5},{SR16,7,7} */ +#define CN700_IGA1_FIFO_THRESHOLD 80 +/* location: {SR18,0,5},{SR18,7,7} */ +#define CN700_IGA1_FIFO_HIGH_THRESHOLD 64 +/* location: {SR22,0,4}. (128/4) =64, P800 must be set zero, + because HW only 5 bits */ +#define CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 0 +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define CN700_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define CN700_IGA2_FIFO_THRESHOLD 80 +/* location: {CR92,0,3},{CR95,0,2} */ +#define CN700_IGA2_FIFO_HIGH_THRESHOLD 32 +/* location: {CR94,0,6} */ +#define CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 128 + +/* For VT3324, these values are suggested by HW */ +/* location: {SR17,0,7} */ +#define CX700_IGA1_FIFO_MAX_DEPTH 192 +/* location: {SR16,0,5},{SR16,7,7} */ +#define CX700_IGA1_FIFO_THRESHOLD 128 +/* location: {SR18,0,5},{SR18,7,7} */ +#define CX700_IGA1_FIFO_HIGH_THRESHOLD 128 +/* location: {SR22,0,4} */ +#define CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 124 + +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define CX700_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define CX700_IGA2_FIFO_THRESHOLD 64 +/* location: {CR92,0,3},{CR95,0,2} */ +#define CX700_IGA2_FIFO_HIGH_THRESHOLD 32 +/* location: {CR94,0,6} */ +#define CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 128 + +/* VT3336 chipset*/ +/* location: {SR17,0,7} */ +#define K8M890_IGA1_FIFO_MAX_DEPTH 360 +/* location: {SR16,0,5},{SR16,7,7} */ +#define K8M890_IGA1_FIFO_THRESHOLD 328 +/* location: {SR18,0,5},{SR18,7,7} */ +#define K8M890_IGA1_FIFO_HIGH_THRESHOLD 296 +/* location: {SR22,0,4}. */ +#define K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 124 + +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define K8M890_IGA2_FIFO_MAX_DEPTH 360 +/* location: {CR68,0,3},{CR95,4,6} */ +#define K8M890_IGA2_FIFO_THRESHOLD 328 +/* location: {CR92,0,3},{CR95,0,2} */ +#define K8M890_IGA2_FIFO_HIGH_THRESHOLD 296 +/* location: {CR94,0,6} */ +#define K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 124 + +/* VT3327 chipset*/ +/* location: {SR17,0,7} */ +#define P4M890_IGA1_FIFO_MAX_DEPTH 96 +/* location: {SR16,0,5},{SR16,7,7} */ +#define P4M890_IGA1_FIFO_THRESHOLD 76 +/* location: {SR18,0,5},{SR18,7,7} */ +#define P4M890_IGA1_FIFO_HIGH_THRESHOLD 64 +/* location: {SR22,0,4}. (32/4) =8 */ +#define P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 32 +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define P4M890_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define P4M890_IGA2_FIFO_THRESHOLD 76 +/* location: {CR92,0,3},{CR95,0,2} */ +#define P4M890_IGA2_FIFO_HIGH_THRESHOLD 64 +/* location: {CR94,0,6} */ +#define P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 32 + +/* VT3364 chipset*/ +/* location: {SR17,0,7} */ +#define P4M900_IGA1_FIFO_MAX_DEPTH 96 +/* location: {SR16,0,5},{SR16,7,7} */ +#define P4M900_IGA1_FIFO_THRESHOLD 76 +/* location: {SR18,0,5},{SR18,7,7} */ +#define P4M900_IGA1_FIFO_HIGH_THRESHOLD 76 +/* location: {SR22,0,4}. */ +#define P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 32 +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define P4M900_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define P4M900_IGA2_FIFO_THRESHOLD 76 +/* location: {CR92,0,3},{CR95,0,2} */ +#define P4M900_IGA2_FIFO_HIGH_THRESHOLD 76 +/* location: {CR94,0,6} */ +#define P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 32 + +/* For VT3353, these values are suggested by HW */ +/* location: {SR17,0,7} */ +#define VX800_IGA1_FIFO_MAX_DEPTH 192 +/* location: {SR16,0,5},{SR16,7,7} */ +#define VX800_IGA1_FIFO_THRESHOLD 152 +/* location: {SR18,0,5},{SR18,7,7} */ +#define VX800_IGA1_FIFO_HIGH_THRESHOLD 152 +/* location: {SR22,0,4} */ +#define VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM 64 +/* location: {CR68,4,7},{CR94,7,7},{CR95,7,7} */ +#define VX800_IGA2_FIFO_MAX_DEPTH 96 +/* location: {CR68,0,3},{CR95,4,6} */ +#define VX800_IGA2_FIFO_THRESHOLD 64 +/* location: {CR92,0,3},{CR95,0,2} */ +#define VX800_IGA2_FIFO_HIGH_THRESHOLD 32 +/* location: {CR94,0,6} */ +#define VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM 128 + +#define IGA1_FIFO_DEPTH_SELECT_REG_NUM 1 +#define IGA1_FIFO_THRESHOLD_REG_NUM 2 +#define IGA1_FIFO_HIGH_THRESHOLD_REG_NUM 2 +#define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM 1 + +#define IGA2_FIFO_DEPTH_SELECT_REG_NUM 3 +#define IGA2_FIFO_THRESHOLD_REG_NUM 2 +#define IGA2_FIFO_HIGH_THRESHOLD_REG_NUM 2 +#define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM 1 + +#define IGA1_FIFO_DEPTH_SELECT_FORMULA(x) ((x/2)-1) +#define IGA1_FIFO_THRESHOLD_FORMULA(x) (x/4) +#define IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x) (x/4) +#define IGA1_FIFO_HIGH_THRESHOLD_FORMULA(x) (x/4) +#define IGA2_FIFO_DEPTH_SELECT_FORMULA(x) (((x/2)/4)-1) +#define IGA2_FIFO_THRESHOLD_FORMULA(x) (x/4) +#define IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(x) (x/4) +#define IGA2_FIFO_HIGH_THRESHOLD_FORMULA(x) (x/4) + +/************************************************************************/ +/* LCD Timing */ +/************************************************************************/ + +/* 500 ms = 500000 us */ +#define LCD_POWER_SEQ_TD0 500000 +/* 50 ms = 50000 us */ +#define LCD_POWER_SEQ_TD1 50000 +/* 0 us */ +#define LCD_POWER_SEQ_TD2 0 +/* 210 ms = 210000 us */ +#define LCD_POWER_SEQ_TD3 210000 +/* 2^10 * (1/14.31818M) = 71.475 us (K400.revA) */ +#define CLE266_POWER_SEQ_UNIT 71 +/* 2^11 * (1/14.31818M) = 142.95 us (K400.revB) */ +#define K800_POWER_SEQ_UNIT 142 +/* 2^13 * (1/14.31818M) = 572.1 us */ +#define P880_POWER_SEQ_UNIT 572 + +#define CLE266_POWER_SEQ_FORMULA(x) ((x)/CLE266_POWER_SEQ_UNIT) +#define K800_POWER_SEQ_FORMULA(x) ((x)/K800_POWER_SEQ_UNIT) +#define P880_POWER_SEQ_FORMULA(x) ((x)/P880_POWER_SEQ_UNIT) + +/* location: {CR8B,0,7},{CR8F,0,3} */ +#define LCD_POWER_SEQ_TD0_REG_NUM 2 +/* location: {CR8C,0,7},{CR8F,4,7} */ +#define LCD_POWER_SEQ_TD1_REG_NUM 2 +/* location: {CR8D,0,7},{CR90,0,3} */ +#define LCD_POWER_SEQ_TD2_REG_NUM 2 +/* location: {CR8E,0,7},{CR90,4,7} */ +#define LCD_POWER_SEQ_TD3_REG_NUM 2 + +/* LCD Scaling factor*/ +/* x: indicate setting horizontal size*/ +/* y: indicate panel horizontal size*/ + +/* Horizontal scaling factor 10 bits (2^10) */ +#define CLE266_LCD_HOR_SCF_FORMULA(x, y) (((x-1)*1024)/(y-1)) +/* Vertical scaling factor 10 bits (2^10) */ +#define CLE266_LCD_VER_SCF_FORMULA(x, y) (((x-1)*1024)/(y-1)) +/* Horizontal scaling factor 10 bits (2^12) */ +#define K800_LCD_HOR_SCF_FORMULA(x, y) (((x-1)*4096)/(y-1)) +/* Vertical scaling factor 10 bits (2^11) */ +#define K800_LCD_VER_SCF_FORMULA(x, y) (((x-1)*2048)/(y-1)) + +/* location: {CR9F,0,1},{CR77,0,7},{CR79,4,5} */ +#define LCD_HOR_SCALING_FACTOR_REG_NUM 3 +/* location: {CR79,3,3},{CR78,0,7},{CR79,6,7} */ +#define LCD_VER_SCALING_FACTOR_REG_NUM 3 +/* location: {CR77,0,7},{CR79,4,5} */ +#define LCD_HOR_SCALING_FACTOR_REG_NUM_CLE 2 +/* location: {CR78,0,7},{CR79,6,7} */ +#define LCD_VER_SCALING_FACTOR_REG_NUM_CLE 2 + +/************************************************ + ***** Define IGA1 Display Timing ***** + ************************************************/ +struct io_register { + u8 io_addr; + u8 start_bit; + u8 end_bit; +}; + +/* IGA1 Horizontal Total */ +struct iga1_hor_total { + int reg_num; + struct io_register reg[IGA1_HOR_TOTAL_REG_NUM]; +}; + +/* IGA1 Horizontal Addressable Video */ +struct iga1_hor_addr { + int reg_num; + struct io_register reg[IGA1_HOR_ADDR_REG_NUM]; +}; + +/* IGA1 Horizontal Blank Start */ +struct iga1_hor_blank_start { + int reg_num; + struct io_register reg[IGA1_HOR_BLANK_START_REG_NUM]; +}; + +/* IGA1 Horizontal Blank End */ +struct iga1_hor_blank_end { + int reg_num; + struct io_register reg[IGA1_HOR_BLANK_END_REG_NUM]; +}; + +/* IGA1 Horizontal Sync Start */ +struct iga1_hor_sync_start { + int reg_num; + struct io_register reg[IGA1_HOR_SYNC_START_REG_NUM]; +}; + +/* IGA1 Horizontal Sync End */ +struct iga1_hor_sync_end { + int reg_num; + struct io_register reg[IGA1_HOR_SYNC_END_REG_NUM]; +}; + +/* IGA1 Vertical Total */ +struct iga1_ver_total { + int reg_num; + struct io_register reg[IGA1_VER_TOTAL_REG_NUM]; +}; + +/* IGA1 Vertical Addressable Video */ +struct iga1_ver_addr { + int reg_num; + struct io_register reg[IGA1_VER_ADDR_REG_NUM]; +}; + +/* IGA1 Vertical Blank Start */ +struct iga1_ver_blank_start { + int reg_num; + struct io_register reg[IGA1_VER_BLANK_START_REG_NUM]; +}; + +/* IGA1 Vertical Blank End */ +struct iga1_ver_blank_end { + int reg_num; + struct io_register reg[IGA1_VER_BLANK_END_REG_NUM]; +}; + +/* IGA1 Vertical Sync Start */ +struct iga1_ver_sync_start { + int reg_num; + struct io_register reg[IGA1_VER_SYNC_START_REG_NUM]; +}; + +/* IGA1 Vertical Sync End */ +struct iga1_ver_sync_end { + int reg_num; + struct io_register reg[IGA1_VER_SYNC_END_REG_NUM]; +}; + +/***************************************************** +** Define IGA2 Shadow Display Timing **** +*****************************************************/ + +/* IGA2 Shadow Horizontal Total */ +struct iga2_shadow_hor_total { + int reg_num; + struct io_register reg[IGA2_SHADOW_HOR_TOTAL_REG_NUM]; +}; + +/* IGA2 Shadow Horizontal Blank End */ +struct iga2_shadow_hor_blank_end { + int reg_num; + struct io_register reg[IGA2_SHADOW_HOR_BLANK_END_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Total */ +struct iga2_shadow_ver_total { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_TOTAL_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Addressable Video */ +struct iga2_shadow_ver_addr { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_ADDR_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Blank Start */ +struct iga2_shadow_ver_blank_start { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_BLANK_START_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Blank End */ +struct iga2_shadow_ver_blank_end { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_BLANK_END_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Sync Start */ +struct iga2_shadow_ver_sync_start { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_SYNC_START_REG_NUM]; +}; + +/* IGA2 Shadow Vertical Sync End */ +struct iga2_shadow_ver_sync_end { + int reg_num; + struct io_register reg[IGA2_SHADOW_VER_SYNC_END_REG_NUM]; +}; + +/***************************************************** +** Define IGA2 Display Timing **** +******************************************************/ + +/* IGA2 Horizontal Total */ +struct iga2_hor_total { + int reg_num; + struct io_register reg[IGA2_HOR_TOTAL_REG_NUM]; +}; + +/* IGA2 Horizontal Addressable Video */ +struct iga2_hor_addr { + int reg_num; + struct io_register reg[IGA2_HOR_ADDR_REG_NUM]; +}; + +/* IGA2 Horizontal Blank Start */ +struct iga2_hor_blank_start { + int reg_num; + struct io_register reg[IGA2_HOR_BLANK_START_REG_NUM]; +}; + +/* IGA2 Horizontal Blank End */ +struct iga2_hor_blank_end { + int reg_num; + struct io_register reg[IGA2_HOR_BLANK_END_REG_NUM]; +}; + +/* IGA2 Horizontal Sync Start */ +struct iga2_hor_sync_start { + int reg_num; + struct io_register reg[IGA2_HOR_SYNC_START_REG_NUM]; +}; + +/* IGA2 Horizontal Sync End */ +struct iga2_hor_sync_end { + int reg_num; + struct io_register reg[IGA2_HOR_SYNC_END_REG_NUM]; +}; + +/* IGA2 Vertical Total */ +struct iga2_ver_total { + int reg_num; + struct io_register reg[IGA2_VER_TOTAL_REG_NUM]; +}; + +/* IGA2 Vertical Addressable Video */ +struct iga2_ver_addr { + int reg_num; + struct io_register reg[IGA2_VER_ADDR_REG_NUM]; +}; + +/* IGA2 Vertical Blank Start */ +struct iga2_ver_blank_start { + int reg_num; + struct io_register reg[IGA2_VER_BLANK_START_REG_NUM]; +}; + +/* IGA2 Vertical Blank End */ +struct iga2_ver_blank_end { + int reg_num; + struct io_register reg[IGA2_VER_BLANK_END_REG_NUM]; +}; + +/* IGA2 Vertical Sync Start */ +struct iga2_ver_sync_start { + int reg_num; + struct io_register reg[IGA2_VER_SYNC_START_REG_NUM]; +}; + +/* IGA2 Vertical Sync End */ +struct iga2_ver_sync_end { + int reg_num; + struct io_register reg[IGA2_VER_SYNC_END_REG_NUM]; +}; + +/* IGA1 Offset Register */ +struct iga1_offset { + int reg_num; + struct io_register reg[IGA1_OFFSET_REG_NUM]; +}; + +/* IGA2 Offset Register */ +struct iga2_offset { + int reg_num; + struct io_register reg[IGA2_OFFSET_REG_NUM]; +}; + +struct offset { + struct iga1_offset iga1_offset_reg; + struct iga2_offset iga2_offset_reg; +}; + +/* IGA1 Fetch Count Register */ +struct iga1_fetch_count { + int reg_num; + struct io_register reg[IGA1_FETCH_COUNT_REG_NUM]; +}; + +/* IGA2 Fetch Count Register */ +struct iga2_fetch_count { + int reg_num; + struct io_register reg[IGA2_FETCH_COUNT_REG_NUM]; +}; + +struct fetch_count { + struct iga1_fetch_count iga1_fetch_count_reg; + struct iga2_fetch_count iga2_fetch_count_reg; +}; + +/* Starting Address Register */ +struct iga1_starting_addr { + int reg_num; + struct io_register reg[IGA1_STARTING_ADDR_REG_NUM]; +}; + +struct iga2_starting_addr { + int reg_num; + struct io_register reg[IGA2_STARTING_ADDR_REG_NUM]; +}; + +struct starting_addr { + struct iga1_starting_addr iga1_starting_addr_reg; + struct iga2_starting_addr iga2_starting_addr_reg; +}; + +/* LCD Power Sequence Timer */ +struct lcd_pwd_seq_td0 { + int reg_num; + struct io_register reg[LCD_POWER_SEQ_TD0_REG_NUM]; +}; + +struct lcd_pwd_seq_td1 { + int reg_num; + struct io_register reg[LCD_POWER_SEQ_TD1_REG_NUM]; +}; + +struct lcd_pwd_seq_td2 { + int reg_num; + struct io_register reg[LCD_POWER_SEQ_TD2_REG_NUM]; +}; + +struct lcd_pwd_seq_td3 { + int reg_num; + struct io_register reg[LCD_POWER_SEQ_TD3_REG_NUM]; +}; + +struct _lcd_pwd_seq_timer { + struct lcd_pwd_seq_td0 td0; + struct lcd_pwd_seq_td1 td1; + struct lcd_pwd_seq_td2 td2; + struct lcd_pwd_seq_td3 td3; +}; + +/* LCD Scaling Factor */ +struct _lcd_hor_scaling_factor { + int reg_num; + struct io_register reg[LCD_HOR_SCALING_FACTOR_REG_NUM]; +}; + +struct _lcd_ver_scaling_factor { + int reg_num; + struct io_register reg[LCD_VER_SCALING_FACTOR_REG_NUM]; +}; + +struct _lcd_scaling_factor { + struct _lcd_hor_scaling_factor lcd_hor_scaling_factor; + struct _lcd_ver_scaling_factor lcd_ver_scaling_factor; +}; + +struct pll_map { + u32 clk; + u32 cle266_pll; + u32 k800_pll; + u32 cx700_pll; +}; + +struct rgbLUT { + u8 red; + u8 green; + u8 blue; +}; + +struct lcd_pwd_seq_timer { + u16 td0; + u16 td1; + u16 td2; + u16 td3; +}; + +/* Display FIFO Relation Registers*/ +struct iga1_fifo_depth_select { + int reg_num; + struct io_register reg[IGA1_FIFO_DEPTH_SELECT_REG_NUM]; +}; + +struct iga1_fifo_threshold_select { + int reg_num; + struct io_register reg[IGA1_FIFO_THRESHOLD_REG_NUM]; +}; + +struct iga1_fifo_high_threshold_select { + int reg_num; + struct io_register reg[IGA1_FIFO_HIGH_THRESHOLD_REG_NUM]; +}; + +struct iga1_display_queue_expire_num { + int reg_num; + struct io_register reg[IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM]; +}; + +struct iga2_fifo_depth_select { + int reg_num; + struct io_register reg[IGA2_FIFO_DEPTH_SELECT_REG_NUM]; +}; + +struct iga2_fifo_threshold_select { + int reg_num; + struct io_register reg[IGA2_FIFO_THRESHOLD_REG_NUM]; +}; + +struct iga2_fifo_high_threshold_select { + int reg_num; + struct io_register reg[IGA2_FIFO_HIGH_THRESHOLD_REG_NUM]; +}; + +struct iga2_display_queue_expire_num { + int reg_num; + struct io_register reg[IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM]; +}; + +struct fifo_depth_select { + struct iga1_fifo_depth_select iga1_fifo_depth_select_reg; + struct iga2_fifo_depth_select iga2_fifo_depth_select_reg; +}; + +struct fifo_threshold_select { + struct iga1_fifo_threshold_select iga1_fifo_threshold_select_reg; + struct iga2_fifo_threshold_select iga2_fifo_threshold_select_reg; +}; + +struct fifo_high_threshold_select { + struct iga1_fifo_high_threshold_select + iga1_fifo_high_threshold_select_reg; + struct iga2_fifo_high_threshold_select + iga2_fifo_high_threshold_select_reg; +}; + +struct display_queue_expire_num { + struct iga1_display_queue_expire_num + iga1_display_queue_expire_num_reg; + struct iga2_display_queue_expire_num + iga2_display_queue_expire_num_reg; +}; + +struct iga1_crtc_timing { + struct iga1_hor_total hor_total; + struct iga1_hor_addr hor_addr; + struct iga1_hor_blank_start hor_blank_start; + struct iga1_hor_blank_end hor_blank_end; + struct iga1_hor_sync_start hor_sync_start; + struct iga1_hor_sync_end hor_sync_end; + struct iga1_ver_total ver_total; + struct iga1_ver_addr ver_addr; + struct iga1_ver_blank_start ver_blank_start; + struct iga1_ver_blank_end ver_blank_end; + struct iga1_ver_sync_start ver_sync_start; + struct iga1_ver_sync_end ver_sync_end; +}; + +struct iga2_shadow_crtc_timing { + struct iga2_shadow_hor_total hor_total_shadow; + struct iga2_shadow_hor_blank_end hor_blank_end_shadow; + struct iga2_shadow_ver_total ver_total_shadow; + struct iga2_shadow_ver_addr ver_addr_shadow; + struct iga2_shadow_ver_blank_start ver_blank_start_shadow; + struct iga2_shadow_ver_blank_end ver_blank_end_shadow; + struct iga2_shadow_ver_sync_start ver_sync_start_shadow; + struct iga2_shadow_ver_sync_end ver_sync_end_shadow; +}; + +struct iga2_crtc_timing { + struct iga2_hor_total hor_total; + struct iga2_hor_addr hor_addr; + struct iga2_hor_blank_start hor_blank_start; + struct iga2_hor_blank_end hor_blank_end; + struct iga2_hor_sync_start hor_sync_start; + struct iga2_hor_sync_end hor_sync_end; + struct iga2_ver_total ver_total; + struct iga2_ver_addr ver_addr; + struct iga2_ver_blank_start ver_blank_start; + struct iga2_ver_blank_end ver_blank_end; + struct iga2_ver_sync_start ver_sync_start; + struct iga2_ver_sync_end ver_sync_end; +}; + +/* device ID */ +#define CLE266 0x3123 +#define KM400 0x3205 +#define CN400_FUNCTION2 0x2259 +#define CN400_FUNCTION3 0x3259 +/* support VT3314 chipset */ +#define CN700_FUNCTION2 0x2314 +#define CN700_FUNCTION3 0x3208 +/* VT3324 chipset */ +#define CX700_FUNCTION2 0x2324 +#define CX700_FUNCTION3 0x3324 +/* VT3204 chipset*/ +#define KM800_FUNCTION3 0x3204 +/* VT3336 chipset*/ +#define KM890_FUNCTION3 0x3336 +/* VT3327 chipset*/ +#define P4M890_FUNCTION3 0x3327 +/* VT3293 chipset*/ +#define CN750_FUNCTION3 0x3208 +/* VT3364 chipset*/ +#define P4M900_FUNCTION3 0x3364 +/* VT3353 chipset*/ +#define VX800_FUNCTION3 0x3353 + +#define NUM_TOTAL_PLL_TABLE ARRAY_SIZE(pll_value) + +struct IODATA { + u8 Index; + u8 Mask; + u8 Data; +}; + +struct pci_device_id_info { + u32 vendor; + u32 device; + u32 chip_index; +}; + +extern unsigned int viafb_second_virtual_xres; +extern unsigned int viafb_second_offset; +extern int viafb_second_size; +extern int viafb_SAMM_ON; +extern int viafb_dual_fb; +extern int viafb_LCD2_ON; +extern int viafb_LCD_ON; +extern int viafb_DVI_ON; +extern int viafb_accel; +extern int viafb_hotplug; + +void viafb_write_reg_mask(u8 index, int io_port, u8 data, u8 mask); +void viafb_set_output_path(int device, int set_iga, + int output_interface); +void viafb_fill_crtc_timing(struct crt_mode_table *crt_table, + int mode_index, int bpp_byte, int set_iga); + +void viafb_set_vclock(u32 CLK, int set_iga); +void viafb_load_reg(int timing_value, int viafb_load_reg_num, + struct io_register *reg, + int io_type); +void viafb_crt_disable(void); +void viafb_crt_enable(void); +void init_ad9389(void); +/* Access I/O Function */ +void viafb_write_reg(u8 index, u16 io_port, u8 data); +u8 viafb_read_reg(int io_port, u8 index); +void viafb_lock_crt(void); +void viafb_unlock_crt(void); +void viafb_load_offset_reg(int h_addr, int bpp_byte, int set_iga); +void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga); +void viafb_write_regx(struct io_reg RegTable[], int ItemNum); +struct VideoModeTable *viafb_get_modetbl_pointer(int Index); +u32 viafb_get_clk_value(int clk); +void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active); +void viafb_set_color_depth(int bpp_byte, int set_iga); +void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ + *p_gfx_dpa_setting); + +int viafb_setmode(int vmode_index, int hor_res, int ver_res, + int video_bpp, int vmode_index1, int hor_res1, + int ver_res1, int video_bpp1); +void viafb_init_chip_info(void); +void viafb_init_dac(int set_iga); +int viafb_get_pixclock(int hres, int vres, int vmode_refresh); +int viafb_get_refresh(int hres, int vres, u32 float_refresh); +void viafb_update_device_setting(int hres, int vres, int bpp, + int vmode_refresh, int flag); +void viafb_get_mmio_info(unsigned long *mmio_base, + unsigned long *mmio_len); + +void viafb_set_iga_path(void); +void viafb_set_start_addr(void); +void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len); + +#endif /* __HW_H__ */ -- GitLab From c91b557ad0a4d4803874f8b908aa9732152b0f0b Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:24 -0700 Subject: [PATCH 5451/6244] viafb: iface.c, iface.h, ioctl.c, ioctl.h iface.c, iface.h: support getting video memory from backdoor. ioctl.c, ioctl.h: support user mode application with additional information Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/iface.c | 78 ++++++++++++++ drivers/video/via/iface.h | 38 +++++++ drivers/video/via/ioctl.c | 112 ++++++++++++++++++++ drivers/video/via/ioctl.h | 210 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 438 insertions(+) create mode 100644 drivers/video/via/iface.c create mode 100644 drivers/video/via/iface.h create mode 100644 drivers/video/via/ioctl.c create mode 100644 drivers/video/via/ioctl.h diff --git a/drivers/video/via/iface.c b/drivers/video/via/iface.c new file mode 100644 index 000000000000..1570636c8d51 --- /dev/null +++ b/drivers/video/via/iface.c @@ -0,0 +1,78 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +/* Get frame buffer size from VGA BIOS */ + +unsigned int viafb_get_memsize(void) +{ + unsigned int m; + + /* If memory size provided by user */ + if (viafb_memsize) + m = viafb_memsize * Mb; + else { + m = (unsigned int)viafb_read_reg(VIASR, SR39); + m = m * (4 * Mb); + + if ((m < (16 * Mb)) || (m > (64 * Mb))) + m = 16 * Mb; + } + DEBUG_MSG(KERN_INFO "framebuffer size = %d Mb\n", m / Mb); + return m; +} + +/* Get Video Buffer Starting Physical Address(back door)*/ + +unsigned long viafb_get_videobuf_addr(void) +{ + struct pci_dev *pdev = NULL; + unsigned char sys_mem; + unsigned char video_mem; + unsigned long sys_mem_size; + unsigned long video_mem_size; + /*system memory = 256 MB, video memory 64 MB */ + unsigned long vmem_starting_adr = 0x0C000000; + + pdev = + (struct pci_dev *)pci_get_device(VIA_K800_BRIDGE_VID, + VIA_K800_BRIDGE_DID, NULL); + if (pdev != NULL) { + pci_read_config_byte(pdev, VIA_K800_SYSTEM_MEMORY_REG, + &sys_mem); + pci_read_config_byte(pdev, VIA_K800_VIDEO_MEMORY_REG, + &video_mem); + video_mem = (video_mem & 0x70) >> 4; + sys_mem_size = ((unsigned long)sys_mem) << 24; + if (video_mem != 0) + video_mem_size = (1 << (video_mem)) * 1024 * 1024; + else + video_mem_size = 0; + + vmem_starting_adr = sys_mem_size - video_mem_size; + pci_dev_put(pdev); + } + + DEBUG_MSG(KERN_INFO "Video Memory Starting Address = %lx \n", + vmem_starting_adr); + return vmem_starting_adr; +} diff --git a/drivers/video/via/iface.h b/drivers/video/via/iface.h new file mode 100644 index 000000000000..790ec3e3aea2 --- /dev/null +++ b/drivers/video/via/iface.h @@ -0,0 +1,38 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __IFACE_H__ +#define __IFACE_H__ + +#define Kb (1024) +#define Mb (Kb*Kb) + +#define VIA_K800_BRIDGE_VID 0x1106 +#define VIA_K800_BRIDGE_DID 0x3204 + +#define VIA_K800_SYSTEM_MEMORY_REG 0x47 +#define VIA_K800_VIDEO_MEMORY_REG 0xA1 + +extern int viafb_memsize; +unsigned int viafb_get_memsize(void); +unsigned long viafb_get_videobuf_addr(void); + +#endif /* __IFACE_H__ */ diff --git a/drivers/video/via/ioctl.c b/drivers/video/via/ioctl.c new file mode 100644 index 000000000000..da03c074e32a --- /dev/null +++ b/drivers/video/via/ioctl.c @@ -0,0 +1,112 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +int viafb_ioctl_get_viafb_info(u_long arg) +{ + struct viafb_ioctl_info viainfo; + + viainfo.viafb_id = VIAID; + viainfo.vendor_id = PCI_VIA_VENDOR_ID; + + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + viainfo.device_id = UNICHROME_CLE266_DID; + break; + + case UNICHROME_K400: + viainfo.device_id = UNICHROME_K400_DID; + break; + + case UNICHROME_K800: + viainfo.device_id = UNICHROME_K800_DID; + break; + + case UNICHROME_PM800: + viainfo.device_id = UNICHROME_PM800_DID; + break; + + case UNICHROME_CN700: + viainfo.device_id = UNICHROME_CN700_DID; + break; + + case UNICHROME_CX700: + viainfo.device_id = UNICHROME_CX700_DID; + break; + + case UNICHROME_K8M890: + viainfo.device_id = UNICHROME_K8M890_DID; + break; + + case UNICHROME_P4M890: + viainfo.device_id = UNICHROME_P4M890_DID; + break; + + case UNICHROME_P4M900: + viainfo.device_id = UNICHROME_P4M900_DID; + break; + } + + viainfo.version = VERSION_MAJOR; + viainfo.revision = VERSION_MINOR; + + if (copy_to_user((void __user *)arg, &viainfo, sizeof(viainfo))) + return -EFAULT; + + return 0; +} + +/* Hot-Plug Priority: DVI > CRT*/ +int viafb_ioctl_hotplug(int hres, int vres, int bpp) +{ + int DVIsense, status = 0; + DEBUG_MSG(KERN_INFO "viafb_ioctl_hotplug!!\n"); + + if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name != + NON_TMDS_TRANSMITTER) { + DVIsense = viafb_dvi_sense(); + + if (DVIsense) { + DEBUG_MSG(KERN_INFO "DVI Attached...\n"); + if (viafb_DeviceStatus != DVI_Device) { + viafb_DVI_ON = 1; + viafb_CRT_ON = 0; + viafb_LCD_ON = 0; + viafb_DeviceStatus = DVI_Device; + return viafb_DeviceStatus; + } + status = 1; + } else + DEBUG_MSG(KERN_INFO "DVI De-attached...\n"); + } + + if ((viafb_DeviceStatus != CRT_Device) && (status == 0)) { + viafb_CRT_ON = 1; + viafb_DVI_ON = 0; + viafb_LCD_ON = 0; + + viafb_DeviceStatus = CRT_Device; + return viafb_DeviceStatus; + } + + return 0; +} diff --git a/drivers/video/via/ioctl.h b/drivers/video/via/ioctl.h new file mode 100644 index 000000000000..842fe30b9868 --- /dev/null +++ b/drivers/video/via/ioctl.h @@ -0,0 +1,210 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __IOCTL_H__ +#define __IOCTL_H__ + +#ifndef __user +#define __user +#endif + +/* VIAFB IOCTL definition */ +#define VIAFB_GET_INFO_SIZE 0x56494101 /* 'VIA\01' */ +#define VIAFB_GET_INFO 0x56494102 /* 'VIA\02' */ +#define VIAFB_HOTPLUG 0x56494103 /* 'VIA\03' */ +#define VIAFB_SET_HOTPLUG_FLAG 0x56494104 /* 'VIA\04' */ +#define VIAFB_GET_RESOLUTION 0x56494105 /* 'VIA\05' */ +#define VIAFB_GET_SAMM_INFO 0x56494107 /* 'VIA\07' */ +#define VIAFB_TURN_ON_OUTPUT_DEVICE 0x56494108 /* 'VIA\08' */ +#define VIAFB_TURN_OFF_OUTPUT_DEVICE 0x56494109 /* 'VIA\09' */ +#define VIAFB_SET_DEVICE 0x5649410A +#define VIAFB_GET_DEVICE 0x5649410B +#define VIAFB_GET_DRIVER_VERSION 0x56494112 /* 'VIA\12' */ +#define VIAFB_GET_CHIP_INFO 0x56494113 /* 'VIA\13' */ +#define VIAFB_SET_DEVICE_INFO 0x56494114 +#define VIAFB_GET_DEVICE_INFO 0x56494115 + +#define VIAFB_GET_DEVICE_SUPPORT 0x56494118 +#define VIAFB_GET_DEVICE_CONNECT 0x56494119 +#define VIAFB_GET_PANEL_SUPPORT_EXPAND 0x5649411A +#define VIAFB_GET_DRIVER_NAME 0x56494122 +#define VIAFB_GET_DEVICE_SUPPORT_STATE 0x56494123 +#define VIAFB_GET_GAMMA_LUT 0x56494124 +#define VIAFB_SET_GAMMA_LUT 0x56494125 +#define VIAFB_GET_GAMMA_SUPPORT_STATE 0x56494126 +#define VIAFB_SET_VIDEO_DEVICE 0x56494127 +#define VIAFB_GET_VIDEO_DEVICE 0x56494128 +#define VIAFB_SET_SECOND_MODE 0x56494129 +#define VIAFB_SYNC_SURFACE 0x56494130 +#define VIAFB_GET_DRIVER_CAPS 0x56494131 +#define VIAFB_GET_IGA_SCALING_INFO 0x56494132 +#define VIAFB_GET_PANEL_MAX_SIZE 0x56494133 +#define VIAFB_GET_PANEL_MAX_POSITION 0x56494134 +#define VIAFB_SET_PANEL_SIZE 0x56494135 +#define VIAFB_SET_PANEL_POSITION 0x56494136 +#define VIAFB_GET_PANEL_POSITION 0x56494137 +#define VIAFB_GET_PANEL_SIZE 0x56494138 + +#define None_Device 0x00 +#define CRT_Device 0x01 +#define LCD_Device 0x02 +#define DVI_Device 0x08 +#define CRT2_Device 0x10 +#define LCD2_Device 0x40 + +#define OP_LCD_CENTERING 0x01 +#define OP_LCD_PANEL_ID 0x02 +#define OP_LCD_MODE 0x03 + +/*SAMM operation flag*/ +#define OP_SAMM 0x80 + +#define LCD_PANEL_ID_MAXIMUM 22 + +#define STATE_ON 0x1 +#define STATE_OFF 0x0 +#define STATE_DEFAULT 0xFFFF + +#define MAX_ACTIVE_DEV_NUM 2 + +struct device_t { + unsigned short crt:1; + unsigned short dvi:1; + unsigned short lcd:1; + unsigned short samm:1; + unsigned short lcd_dsp_cent:1; + unsigned char lcd_mode:1; + unsigned short epia_dvi:1; + unsigned short lcd_dual_edge:1; + unsigned short lcd2:1; + + unsigned short primary_dev; + unsigned char lcd_panel_id; + unsigned short xres, yres; + unsigned short xres1, yres1; + unsigned short refresh; + unsigned short bpp; + unsigned short refresh1; + unsigned short bpp1; + unsigned short sequence; + unsigned short bus_width; +}; + +struct viafb_ioctl_info { + u32 viafb_id; /* for identifying viafb */ +#define VIAID 0x56494146 /* Identify myself with 'VIAF' */ + u16 vendor_id; + u16 device_id; + u8 version; + u8 revision; + u8 reserved[246]; /* for future use */ +}; + +struct viafb_ioctl_mode { + u32 xres; + u32 yres; + u32 refresh; + u32 bpp; + u32 xres_sec; + u32 yres_sec; + u32 virtual_xres_sec; + u32 virtual_yres_sec; + u32 refresh_sec; + u32 bpp_sec; +}; +struct viafb_ioctl_samm { + u32 samm_status; + u32 size_prim; + u32 size_sec; + u32 mem_base; + u32 offset_sec; +}; + +struct viafb_driver_version { + int iMajorNum; + int iKernelNum; + int iOSNum; + int iMinorNum; +}; + +struct viafb_ioctl_lcd_attribute { + unsigned int panel_id; + unsigned int display_center; + unsigned int lcd_mode; +}; + +struct viafb_ioctl_setting { + /* Enable or disable active devices */ + unsigned short device_flag; + /* Indicate which device should be turn on or turn off. */ + unsigned short device_status; + unsigned int reserved; + /* Indicate which LCD's attribute can be changed. */ + unsigned short lcd_operation_flag; + /* 1: SAMM ON 0: SAMM OFF */ + unsigned short samm_status; + /* horizontal resolution of first device */ + unsigned short first_dev_hor_res; + /* vertical resolution of first device */ + unsigned short first_dev_ver_res; + /* horizontal resolution of second device */ + unsigned short second_dev_hor_res; + /* vertical resolution of second device */ + unsigned short second_dev_ver_res; + /* refresh rate of first device */ + unsigned short first_dev_refresh; + /* bpp of first device */ + unsigned short first_dev_bpp; + /* refresh rate of second device */ + unsigned short second_dev_refresh; + /* bpp of second device */ + unsigned short second_dev_bpp; + /* Indicate which device are primary display device. */ + unsigned int primary_device; + /* Indicate which device will show video. only valid in duoview mode */ + unsigned int video_device_status; + unsigned int struct_reserved[34]; + struct viafb_ioctl_lcd_attribute lcd_attributes; +}; + +struct _UTFunctionCaps { + unsigned int dw3DScalingState; + unsigned int reserved[31]; +}; + +struct _POSITIONVALUE { + unsigned int dwX; + unsigned int dwY; +}; + +struct _panel_size_pos_info { + unsigned int device_type; + int x; + int y; +}; + +extern int viafb_LCD_ON; +extern int viafb_DVI_ON; + +int viafb_ioctl_get_viafb_info(u_long arg); +int viafb_ioctl_hotplug(int hres, int vres, int bpp); + +#endif /* __IOCTL_H__ */ -- GitLab From ac6c97e20f1befecd791feed57170ec6735dcce7 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:25 -0700 Subject: [PATCH 5452/6244] viafb: lcd.c, lcd.h, lcdtbl.h lcd.c, lcd.h: LVDS generic process. lcdtbl.h: patch register for simultaneous case. Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/lcd.c | 1821 ++++++++++++++++++++++++++++++++++++ drivers/video/via/lcd.h | 94 ++ drivers/video/via/lcdtbl.h | 591 ++++++++++++ 3 files changed, 2506 insertions(+) create mode 100644 drivers/video/via/lcd.c create mode 100644 drivers/video/via/lcd.h create mode 100644 drivers/video/via/lcdtbl.h diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c new file mode 100644 index 000000000000..6c7290a6a447 --- /dev/null +++ b/drivers/video/via/lcd.c @@ -0,0 +1,1821 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" +#include "lcdtbl.h" + +static struct iga2_shadow_crtc_timing iga2_shadow_crtc_reg = { + /* IGA2 Shadow Horizontal Total */ + {IGA2_SHADOW_HOR_TOTAL_REG_NUM, {{CR6D, 0, 7}, {CR71, 3, 3} } }, + /* IGA2 Shadow Horizontal Blank End */ + {IGA2_SHADOW_HOR_BLANK_END_REG_NUM, {{CR6E, 0, 7} } }, + /* IGA2 Shadow Vertical Total */ + {IGA2_SHADOW_VER_TOTAL_REG_NUM, {{CR6F, 0, 7}, {CR71, 0, 2} } }, + /* IGA2 Shadow Vertical Addressable Video */ + {IGA2_SHADOW_VER_ADDR_REG_NUM, {{CR70, 0, 7}, {CR71, 4, 6} } }, + /* IGA2 Shadow Vertical Blank Start */ + {IGA2_SHADOW_VER_BLANK_START_REG_NUM, + {{CR72, 0, 7}, {CR74, 4, 6} } }, + /* IGA2 Shadow Vertical Blank End */ + {IGA2_SHADOW_VER_BLANK_END_REG_NUM, {{CR73, 0, 7}, {CR74, 0, 2} } }, + /* IGA2 Shadow Vertical Sync Start */ + {IGA2_SHADOW_VER_SYNC_START_REG_NUM, {{CR75, 0, 7}, {CR76, 4, 6} } }, + /* IGA2 Shadow Vertical Sync End */ + {IGA2_SHADOW_VER_SYNC_END_REG_NUM, {{CR76, 0, 3} } } +}; + +static struct _lcd_scaling_factor lcd_scaling_factor = { + /* LCD Horizontal Scaling Factor Register */ + {LCD_HOR_SCALING_FACTOR_REG_NUM, + {{CR9F, 0, 1}, {CR77, 0, 7}, {CR79, 4, 5} } }, + /* LCD Vertical Scaling Factor Register */ + {LCD_VER_SCALING_FACTOR_REG_NUM, + {{CR79, 3, 3}, {CR78, 0, 7}, {CR79, 6, 7} } } +}; +static struct _lcd_scaling_factor lcd_scaling_factor_CLE = { + /* LCD Horizontal Scaling Factor Register */ + {LCD_HOR_SCALING_FACTOR_REG_NUM_CLE, {{CR77, 0, 7}, {CR79, 4, 5} } }, + /* LCD Vertical Scaling Factor Register */ + {LCD_VER_SCALING_FACTOR_REG_NUM_CLE, {{CR78, 0, 7}, {CR79, 6, 7} } } +}; + +static int check_lvds_chip(int device_id_subaddr, int device_id); +static bool lvds_identify_integratedlvds(void); +static int fp_id_to_vindex(int panel_id); +static int lvds_register_read(int index); +static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, + int panel_vres); +static void load_lcd_k400_patch_tbl(int set_hres, int set_vres, + int panel_id); +static void load_lcd_p880_patch_tbl(int set_hres, int set_vres, + int panel_id); +static void load_lcd_patch_regs(int set_hres, int set_vres, + int panel_id, int set_iga); +static void via_pitch_alignment_patch_lcd( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information + *plvds_chip_info); +static void lcd_patch_skew_dvp0(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +static void lcd_patch_skew_dvp1(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +static void lcd_patch_skew(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info); + +static void integrated_lvds_disable(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +static void integrated_lvds_enable(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +static void lcd_powersequence_off(void); +static void lcd_powersequence_on(void); +static void fill_lcd_format(void); +static void check_diport_of_integrated_lvds( + struct lvds_chip_information *plvds_chip_info, + struct lvds_setting_information + *plvds_setting_info); +static struct display_timing lcd_centering_timging(struct display_timing + mode_crt_reg, + struct display_timing panel_crt_reg); +static void load_crtc_shadow_timing(struct display_timing mode_timing, + struct display_timing panel_timing); +static void viafb_load_scaling_factor_for_p4m900(int set_hres, + int set_vres, int panel_hres, int panel_vres); + +static int check_lvds_chip(int device_id_subaddr, int device_id) +{ + if (lvds_register_read(device_id_subaddr) == device_id) + return OK; + else + return FAIL; +} + +void viafb_init_lcd_size(void) +{ + DEBUG_MSG(KERN_INFO "viafb_init_lcd_size()\n"); + DEBUG_MSG(KERN_INFO + "viaparinfo->lvds_setting_info->get_lcd_size_method %d\n", + viaparinfo->lvds_setting_info->get_lcd_size_method); + + switch (viaparinfo->lvds_setting_info->get_lcd_size_method) { + case GET_LCD_SIZE_BY_SYSTEM_BIOS: + break; + case GET_LCD_SZIE_BY_HW_STRAPPING: + break; + case GET_LCD_SIZE_BY_VGA_BIOS: + DEBUG_MSG(KERN_INFO "Get LCD Size method by VGA BIOS !!\n"); + viaparinfo->lvds_setting_info->lcd_panel_size = + fp_id_to_vindex(viafb_lcd_panel_id); + DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", + viaparinfo->lvds_setting_info->lcd_panel_id); + DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n", + viaparinfo->lvds_setting_info->lcd_panel_size); + break; + case GET_LCD_SIZE_BY_USER_SETTING: + DEBUG_MSG(KERN_INFO "Get LCD Size method by user setting !!\n"); + viaparinfo->lvds_setting_info->lcd_panel_size = + fp_id_to_vindex(viafb_lcd_panel_id); + DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n", + viaparinfo->lvds_setting_info->lcd_panel_id); + DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n", + viaparinfo->lvds_setting_info->lcd_panel_size); + break; + default: + DEBUG_MSG(KERN_INFO "viafb_init_lcd_size fail\n"); + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID1_800X600; + viaparinfo->lvds_setting_info->lcd_panel_size = + fp_id_to_vindex(LCD_PANEL_ID1_800X600); + } + viaparinfo->lvds_setting_info2->lcd_panel_id = + viaparinfo->lvds_setting_info->lcd_panel_id; + viaparinfo->lvds_setting_info2->lcd_panel_size = + viaparinfo->lvds_setting_info->lcd_panel_size; + viaparinfo->lvds_setting_info2->lcd_panel_hres = + viaparinfo->lvds_setting_info->lcd_panel_hres; + viaparinfo->lvds_setting_info2->lcd_panel_vres = + viaparinfo->lvds_setting_info->lcd_panel_vres; + viaparinfo->lvds_setting_info2->device_lcd_dualedge = + viaparinfo->lvds_setting_info->device_lcd_dualedge; + viaparinfo->lvds_setting_info2->LCDDithering = + viaparinfo->lvds_setting_info->LCDDithering; +} + +static bool lvds_identify_integratedlvds(void) +{ + if (viafb_display_hardware_layout == HW_LAYOUT_LCD_EXTERNAL_LCD2) { + /* Two dual channel LCD (Internal LVDS + External LVDS): */ + /* If we have an external LVDS, such as VT1636, we should + have its chip ID already. */ + if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name = + INTEGRATED_LVDS; + DEBUG_MSG(KERN_INFO "Support two dual channel LVDS!\ + (Internal LVDS + External LVDS)\n"); + } else { + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + INTEGRATED_LVDS; + DEBUG_MSG(KERN_INFO "Not found external LVDS,\ + so can't support two dual channel LVDS!\n"); + } + } else if (viafb_display_hardware_layout == HW_LAYOUT_LCD1_LCD2) { + /* Two single channel LCD (Internal LVDS + Internal LVDS): */ + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + INTEGRATED_LVDS; + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name = + INTEGRATED_LVDS; + DEBUG_MSG(KERN_INFO "Support two single channel LVDS!\ + (Internal LVDS + Internal LVDS)\n"); + } else if (viafb_display_hardware_layout != HW_LAYOUT_DVI_ONLY) { + /* If we have found external LVDS, just use it, + otherwise, we will use internal LVDS as default. */ + if (!viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + INTEGRATED_LVDS; + DEBUG_MSG(KERN_INFO "Found Integrated LVDS!\n"); + } + } else { + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + NON_LVDS_TRANSMITTER; + DEBUG_MSG(KERN_INFO "Do not support LVDS!\n"); + return false; + } + + return true; +} + +int viafb_lvds_trasmitter_identify(void) +{ + viaparinfo->i2c_stuff.i2c_port = I2CPORTINDEX; + if (viafb_lvds_identify_vt1636()) { + viaparinfo->chip_info->lvds_chip_info.i2c_port = I2CPORTINDEX; + DEBUG_MSG(KERN_INFO + "Found VIA VT1636 LVDS on port i2c 0x31 \n"); + } else { + viaparinfo->i2c_stuff.i2c_port = GPIOPORTINDEX; + if (viafb_lvds_identify_vt1636()) { + viaparinfo->chip_info->lvds_chip_info.i2c_port = + GPIOPORTINDEX; + DEBUG_MSG(KERN_INFO + "Found VIA VT1636 LVDS on port gpio 0x2c \n"); + } + } + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) + lvds_identify_integratedlvds(); + + if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) + return true; + /* Check for VT1631: */ + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = VT1631_LVDS; + viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = + VT1631_LVDS_I2C_ADDR; + + if (check_lvds_chip(VT1631_DEVICE_ID_REG, VT1631_DEVICE_ID) != FAIL) { + DEBUG_MSG(KERN_INFO "\n VT1631 LVDS ! \n"); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); + DEBUG_MSG(KERN_INFO "\n %2d", + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name); + return OK; + } + + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + NON_LVDS_TRANSMITTER; + viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = + VT1631_LVDS_I2C_ADDR; + return FAIL; +} + +static int fp_id_to_vindex(int panel_id) +{ + DEBUG_MSG(KERN_INFO "fp_get_panel_id()\n"); + + if (panel_id > LCD_PANEL_ID_MAXIMUM) + viafb_lcd_panel_id = panel_id = + viafb_read_reg(VIACR, CR3F) & 0x0F; + + switch (panel_id) { + case 0x0: + viaparinfo->lvds_setting_info->lcd_panel_hres = 640; + viaparinfo->lvds_setting_info->lcd_panel_vres = 480; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID0_640X480; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_640X480; + break; + case 0x1: + viaparinfo->lvds_setting_info->lcd_panel_hres = 800; + viaparinfo->lvds_setting_info->lcd_panel_vres = 600; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID1_800X600; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_800X600; + break; + case 0x2: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID2_1024X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1024X768; + break; + case 0x3: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID3_1280X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1280X768; + break; + case 0x4: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID4_1280X1024; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1280X1024; + break; + case 0x5: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1400; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1050; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID5_1400X1050; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1400X1050; + break; + case 0x6: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1600; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1200; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID6_1600X1200; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1600X1200; + break; + case 0x8: + viaparinfo->lvds_setting_info->lcd_panel_hres = 800; + viaparinfo->lvds_setting_info->lcd_panel_vres = 480; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_IDA_800X480; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_800X480; + break; + case 0x9: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID2_1024X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1024X768; + break; + case 0xA: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID2_1024X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1024X768; + break; + case 0xB: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID2_1024X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1024X768; + break; + case 0xC: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID3_1280X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1280X768; + break; + case 0xD: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID4_1280X1024; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1280X1024; + break; + case 0xE: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1400; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1050; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID5_1400X1050; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1400X1050; + break; + case 0xF: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1600; + viaparinfo->lvds_setting_info->lcd_panel_vres = 1200; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID6_1600X1200; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1600X1200; + break; + case 0x10: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1366; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID7_1366X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1368X768; + break; + case 0x11: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1024; + viaparinfo->lvds_setting_info->lcd_panel_vres = 600; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID8_1024X600; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1024X600; + break; + case 0x12: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID3_1280X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1280X768; + break; + case 0x13: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 800; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID9_1280X800; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_1280X800; + break; + case 0x14: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1360; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_IDB_1360X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1360X768; + break; + case 0x15: + viaparinfo->lvds_setting_info->lcd_panel_hres = 1280; + viaparinfo->lvds_setting_info->lcd_panel_vres = 768; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID3_1280X768; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 1; + viaparinfo->lvds_setting_info->LCDDithering = 0; + return VIA_RES_1280X768; + break; + case 0x16: + viaparinfo->lvds_setting_info->lcd_panel_hres = 480; + viaparinfo->lvds_setting_info->lcd_panel_vres = 640; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_IDC_480X640; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_480X640; + break; + default: + viaparinfo->lvds_setting_info->lcd_panel_hres = 800; + viaparinfo->lvds_setting_info->lcd_panel_vres = 600; + viaparinfo->lvds_setting_info->lcd_panel_id = + LCD_PANEL_ID1_800X600; + viaparinfo->lvds_setting_info->device_lcd_dualedge = 0; + viaparinfo->lvds_setting_info->LCDDithering = 1; + return VIA_RES_800X600; + } +} + +static int lvds_register_read(int index) +{ + u8 data; + + viaparinfo->i2c_stuff.i2c_port = GPIOPORTINDEX; + viafb_i2c_readbyte((u8) viaparinfo->chip_info-> + lvds_chip_info.lvds_chip_slave_addr, + (u8) index, &data); + return data; +} + +static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres, + int panel_vres) +{ + int reg_value = 0; + int viafb_load_reg_num; + struct io_register *reg = NULL; + + DEBUG_MSG(KERN_INFO "load_lcd_scaling()!!\n"); + + /* LCD Scaling Enable */ + viafb_write_reg_mask(CR79, VIACR, 0x07, BIT0 + BIT1 + BIT2); + if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) { + viafb_load_scaling_factor_for_p4m900(set_hres, set_vres, + panel_hres, panel_vres); + return; + } + + /* Check if expansion for horizontal */ + if (set_hres != panel_hres) { + /* Load Horizontal Scaling Factor */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + reg_value = + CLE266_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); + viafb_load_reg_num = + lcd_scaling_factor_CLE.lcd_hor_scaling_factor. + reg_num; + reg = lcd_scaling_factor_CLE.lcd_hor_scaling_factor.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + break; + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + reg_value = + K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); + /* Horizontal scaling enabled */ + viafb_write_reg_mask(CRA2, VIACR, 0xC0, BIT7 + BIT6); + viafb_load_reg_num = + lcd_scaling_factor.lcd_hor_scaling_factor.reg_num; + reg = lcd_scaling_factor.lcd_hor_scaling_factor.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + break; + } + + DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d", reg_value); + } else { + /* Horizontal scaling disabled */ + viafb_write_reg_mask(CRA2, VIACR, 0x00, BIT7); + } + + /* Check if expansion for vertical */ + if (set_vres != panel_vres) { + /* Load Vertical Scaling Factor */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + reg_value = + CLE266_LCD_VER_SCF_FORMULA(set_vres, panel_vres); + viafb_load_reg_num = + lcd_scaling_factor_CLE.lcd_ver_scaling_factor. + reg_num; + reg = lcd_scaling_factor_CLE.lcd_ver_scaling_factor.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + break; + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + reg_value = + K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); + /* Vertical scaling enabled */ + viafb_write_reg_mask(CRA2, VIACR, 0x08, BIT3); + viafb_load_reg_num = + lcd_scaling_factor.lcd_ver_scaling_factor.reg_num; + reg = lcd_scaling_factor.lcd_ver_scaling_factor.reg; + viafb_load_reg(reg_value, + viafb_load_reg_num, reg, VIACR); + break; + } + + DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d", reg_value); + } else { + /* Vertical scaling disabled */ + viafb_write_reg_mask(CRA2, VIACR, 0x00, BIT3); + } +} + +static void load_lcd_k400_patch_tbl(int set_hres, int set_vres, + int panel_id) +{ + int vmode_index; + int reg_num = 0; + struct io_reg *lcd_patch_reg = NULL; + + if (viaparinfo->lvds_setting_info->iga_path == IGA2) + vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); + else + vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); + switch (panel_id) { + /* LCD 800x600 */ + case LCD_PANEL_ID1_800X600: + switch (vmode_index) { + case VIA_RES_640X400: + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_8X6; + lcd_patch_reg = K400_LCD_RES_6X4_8X6; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_K400_LCD_RES_7X4_8X6; + lcd_patch_reg = K400_LCD_RES_7X4_8X6; + break; + } + break; + + /* LCD 1024x768 */ + case LCD_PANEL_ID2_1024X768: + switch (vmode_index) { + case VIA_RES_640X400: + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_10X7; + lcd_patch_reg = K400_LCD_RES_6X4_10X7; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_K400_LCD_RES_7X4_10X7; + lcd_patch_reg = K400_LCD_RES_7X4_10X7; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_K400_LCD_RES_8X6_10X7; + lcd_patch_reg = K400_LCD_RES_8X6_10X7; + break; + } + break; + + /* LCD 1280x1024 */ + case LCD_PANEL_ID4_1280X1024: + switch (vmode_index) { + case VIA_RES_640X400: + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_12X10; + lcd_patch_reg = K400_LCD_RES_6X4_12X10; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_K400_LCD_RES_7X4_12X10; + lcd_patch_reg = K400_LCD_RES_7X4_12X10; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_K400_LCD_RES_8X6_12X10; + lcd_patch_reg = K400_LCD_RES_8X6_12X10; + break; + case VIA_RES_1024X768: + reg_num = NUM_TOTAL_K400_LCD_RES_10X7_12X10; + lcd_patch_reg = K400_LCD_RES_10X7_12X10; + break; + + } + break; + + /* LCD 1400x1050 */ + case LCD_PANEL_ID5_1400X1050: + switch (vmode_index) { + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_14X10; + lcd_patch_reg = K400_LCD_RES_6X4_14X10; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_K400_LCD_RES_8X6_14X10; + lcd_patch_reg = K400_LCD_RES_8X6_14X10; + break; + case VIA_RES_1024X768: + reg_num = NUM_TOTAL_K400_LCD_RES_10X7_14X10; + lcd_patch_reg = K400_LCD_RES_10X7_14X10; + break; + case VIA_RES_1280X768: + case VIA_RES_1280X800: + case VIA_RES_1280X960: + case VIA_RES_1280X1024: + reg_num = NUM_TOTAL_K400_LCD_RES_12X10_14X10; + lcd_patch_reg = K400_LCD_RES_12X10_14X10; + break; + } + break; + + /* LCD 1600x1200 */ + case LCD_PANEL_ID6_1600X1200: + switch (vmode_index) { + case VIA_RES_640X400: + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_16X12; + lcd_patch_reg = K400_LCD_RES_6X4_16X12; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_K400_LCD_RES_7X4_16X12; + lcd_patch_reg = K400_LCD_RES_7X4_16X12; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_K400_LCD_RES_8X6_16X12; + lcd_patch_reg = K400_LCD_RES_8X6_16X12; + break; + case VIA_RES_1024X768: + reg_num = NUM_TOTAL_K400_LCD_RES_10X7_16X12; + lcd_patch_reg = K400_LCD_RES_10X7_16X12; + break; + case VIA_RES_1280X768: + case VIA_RES_1280X800: + case VIA_RES_1280X960: + case VIA_RES_1280X1024: + reg_num = NUM_TOTAL_K400_LCD_RES_12X10_16X12; + lcd_patch_reg = K400_LCD_RES_12X10_16X12; + break; + } + break; + + /* LCD 1366x768 */ + case LCD_PANEL_ID7_1366X768: + switch (vmode_index) { + case VIA_RES_640X480: + reg_num = NUM_TOTAL_K400_LCD_RES_6X4_1366X7; + lcd_patch_reg = K400_LCD_RES_6X4_1366X7; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_K400_LCD_RES_7X4_1366X7; + lcd_patch_reg = K400_LCD_RES_7X4_1366X7; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_K400_LCD_RES_8X6_1366X7; + lcd_patch_reg = K400_LCD_RES_8X6_1366X7; + break; + case VIA_RES_1024X768: + reg_num = NUM_TOTAL_K400_LCD_RES_10X7_1366X7; + lcd_patch_reg = K400_LCD_RES_10X7_1366X7; + break; + case VIA_RES_1280X768: + case VIA_RES_1280X800: + case VIA_RES_1280X960: + case VIA_RES_1280X1024: + reg_num = NUM_TOTAL_K400_LCD_RES_12X10_1366X7; + lcd_patch_reg = K400_LCD_RES_12X10_1366X7; + break; + } + break; + + /* LCD 1360x768 */ + case LCD_PANEL_IDB_1360X768: + break; + } + if (reg_num != 0) { + /* H.W. Reset : ON */ + viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); + + viafb_write_regx(lcd_patch_reg, reg_num); + + /* H.W. Reset : OFF */ + viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); + + /* Reset PLL */ + viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1); + viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1); + + /* Fire! */ + outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc); + } +} + +static void load_lcd_p880_patch_tbl(int set_hres, int set_vres, + int panel_id) +{ + int vmode_index; + int reg_num = 0; + struct io_reg *lcd_patch_reg = NULL; + + if (viaparinfo->lvds_setting_info->iga_path == IGA2) + vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); + else + vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); + + switch (panel_id) { + case LCD_PANEL_ID5_1400X1050: + switch (vmode_index) { + case VIA_RES_640X480: + reg_num = NUM_TOTAL_P880_LCD_RES_6X4_14X10; + lcd_patch_reg = P880_LCD_RES_6X4_14X10; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_P880_LCD_RES_8X6_14X10; + lcd_patch_reg = P880_LCD_RES_8X6_14X10; + break; + } + break; + case LCD_PANEL_ID6_1600X1200: + switch (vmode_index) { + case VIA_RES_640X400: + case VIA_RES_640X480: + reg_num = NUM_TOTAL_P880_LCD_RES_6X4_16X12; + lcd_patch_reg = P880_LCD_RES_6X4_16X12; + break; + case VIA_RES_720X480: + case VIA_RES_720X576: + reg_num = NUM_TOTAL_P880_LCD_RES_7X4_16X12; + lcd_patch_reg = P880_LCD_RES_7X4_16X12; + break; + case VIA_RES_800X600: + reg_num = NUM_TOTAL_P880_LCD_RES_8X6_16X12; + lcd_patch_reg = P880_LCD_RES_8X6_16X12; + break; + case VIA_RES_1024X768: + reg_num = NUM_TOTAL_P880_LCD_RES_10X7_16X12; + lcd_patch_reg = P880_LCD_RES_10X7_16X12; + break; + case VIA_RES_1280X768: + case VIA_RES_1280X960: + case VIA_RES_1280X1024: + reg_num = NUM_TOTAL_P880_LCD_RES_12X10_16X12; + lcd_patch_reg = P880_LCD_RES_12X10_16X12; + break; + } + break; + + } + if (reg_num != 0) { + /* H.W. Reset : ON */ + viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7); + + viafb_write_regx(lcd_patch_reg, reg_num); + + /* H.W. Reset : OFF */ + viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7); + + /* Reset PLL */ + viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1); + viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1); + + /* Fire! */ + outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc); + } +} + +static void load_lcd_patch_regs(int set_hres, int set_vres, + int panel_id, int set_iga) +{ + int vmode_index; + + if (viaparinfo->lvds_setting_info->iga_path == IGA2) + vmode_index = viafb_get_mode_index(set_hres, set_vres, 1); + else + vmode_index = viafb_get_mode_index(set_hres, set_vres, 0); + + viafb_unlock_crt(); + + /* Patch for simultaneous & Expansion */ + if ((set_iga == IGA1_IGA2) && + (viaparinfo->lvds_setting_info->display_method == + LCD_EXPANDSION)) { + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + load_lcd_k400_patch_tbl(set_hres, set_vres, panel_id); + break; + case UNICHROME_K800: + break; + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + load_lcd_p880_patch_tbl(set_hres, set_vres, panel_id); + } + } + + viafb_lock_crt(); +} + +static void via_pitch_alignment_patch_lcd( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information + *plvds_chip_info) +{ + unsigned char cr13, cr35, cr65, cr66, cr67; + unsigned long dwScreenPitch = 0; + unsigned long dwPitch; + + dwPitch = plvds_setting_info->h_active * (plvds_setting_info->bpp >> 3); + if (dwPitch & 0x1F) { + dwScreenPitch = ((dwPitch + 31) & ~31) >> 3; + if (plvds_setting_info->iga_path == IGA2) { + if (plvds_setting_info->bpp > 8) { + cr66 = (unsigned char)(dwScreenPitch & 0xFF); + viafb_write_reg(CR66, VIACR, cr66); + cr67 = viafb_read_reg(VIACR, CR67) & 0xFC; + cr67 |= + (unsigned + char)((dwScreenPitch & 0x300) >> 8); + viafb_write_reg(CR67, VIACR, cr67); + } + + /* Fetch Count */ + cr67 = viafb_read_reg(VIACR, CR67) & 0xF3; + cr67 |= (unsigned char)((dwScreenPitch & 0x600) >> 7); + viafb_write_reg(CR67, VIACR, cr67); + cr65 = (unsigned char)((dwScreenPitch >> 1) & 0xFF); + cr65 += 2; + viafb_write_reg(CR65, VIACR, cr65); + } else { + if (plvds_setting_info->bpp > 8) { + cr13 = (unsigned char)(dwScreenPitch & 0xFF); + viafb_write_reg(CR13, VIACR, cr13); + cr35 = viafb_read_reg(VIACR, CR35) & 0x1F; + cr35 |= + (unsigned + char)((dwScreenPitch & 0x700) >> 3); + viafb_write_reg(CR35, VIACR, cr35); + } + } + } +} +static void lcd_patch_skew_dvp0(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) { + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_P4M900: + viafb_vt1636_patch_skew_on_vt3364(plvds_setting_info, + plvds_chip_info); + break; + case UNICHROME_P4M890: + viafb_vt1636_patch_skew_on_vt3327(plvds_setting_info, + plvds_chip_info); + break; + } + } +} +static void lcd_patch_skew_dvp1(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) { + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CX700: + viafb_vt1636_patch_skew_on_vt3324(plvds_setting_info, + plvds_chip_info); + break; + } + } +} +static void lcd_patch_skew(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) +{ + DEBUG_MSG(KERN_INFO "lcd_patch_skew\n"); + switch (plvds_chip_info->output_interface) { + case INTERFACE_DVP0: + lcd_patch_skew_dvp0(plvds_setting_info, plvds_chip_info); + break; + case INTERFACE_DVP1: + lcd_patch_skew_dvp1(plvds_setting_info, plvds_chip_info); + break; + case INTERFACE_DFP_LOW: + if (UNICHROME_P4M900 == viaparinfo->chip_info->gfx_chip_name) { + viafb_write_reg_mask(CR99, VIACR, 0x08, + BIT0 + BIT1 + BIT2 + BIT3); + } + break; + } +} + +/* LCD Set Mode */ +void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + int video_index = plvds_setting_info->lcd_panel_size; + int set_iga = plvds_setting_info->iga_path; + int mode_bpp = plvds_setting_info->bpp; + int viafb_load_reg_num = 0; + int reg_value = 0; + int set_hres, set_vres; + int panel_hres, panel_vres; + u32 pll_D_N; + int offset; + struct io_register *reg = NULL; + struct display_timing mode_crt_reg, panel_crt_reg; + struct crt_mode_table *panel_crt_table = NULL; + struct VideoModeTable *vmode_tbl = NULL; + + DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n"); + /* Get mode table */ + mode_crt_reg = mode_crt_table->crtc; + /* Get panel table Pointer */ + vmode_tbl = viafb_get_modetbl_pointer(video_index); + panel_crt_table = vmode_tbl->crtc; + panel_crt_reg = panel_crt_table->crtc; + DEBUG_MSG(KERN_INFO "bellow viafb_lcd_set_mode!!\n"); + set_hres = plvds_setting_info->h_active; + set_vres = plvds_setting_info->v_active; + panel_hres = plvds_setting_info->lcd_panel_hres; + panel_vres = plvds_setting_info->lcd_panel_vres; + if (VT1636_LVDS == plvds_chip_info->lvds_chip_name) + viafb_init_lvds_vt1636(plvds_setting_info, plvds_chip_info); + plvds_setting_info->vclk = panel_crt_table->clk; + if (set_iga == IGA1) { + /* IGA1 doesn't have LCD scaling, so set it as centering. */ + viafb_load_crtc_timing(lcd_centering_timging + (mode_crt_reg, panel_crt_reg), IGA1); + } else { + /* Expansion */ + if ((plvds_setting_info->display_method == + LCD_EXPANDSION) & ((set_hres != panel_hres) + || (set_vres != panel_vres))) { + /* expansion timing IGA2 loaded panel set timing*/ + viafb_load_crtc_timing(panel_crt_reg, IGA2); + DEBUG_MSG(KERN_INFO "viafb_load_crtc_timing!!\n"); + load_lcd_scaling(set_hres, set_vres, panel_hres, + panel_vres); + DEBUG_MSG(KERN_INFO "load_lcd_scaling!!\n"); + } else { /* Centering */ + /* centering timing IGA2 always loaded panel + and mode releative timing */ + viafb_load_crtc_timing(lcd_centering_timging + (mode_crt_reg, panel_crt_reg), IGA2); + viafb_write_reg_mask(CR79, VIACR, 0x00, + BIT0 + BIT1 + BIT2); + /* LCD scaling disabled */ + } + } + + if (set_iga == IGA1_IGA2) { + load_crtc_shadow_timing(mode_crt_reg, panel_crt_reg); + /* Fill shadow registers */ + + switch (plvds_setting_info->lcd_panel_id) { + case LCD_PANEL_ID0_640X480: + offset = 80; + break; + case LCD_PANEL_ID1_800X600: + case LCD_PANEL_IDA_800X480: + offset = 110; + break; + case LCD_PANEL_ID2_1024X768: + offset = 150; + break; + case LCD_PANEL_ID3_1280X768: + case LCD_PANEL_ID4_1280X1024: + case LCD_PANEL_ID5_1400X1050: + case LCD_PANEL_ID9_1280X800: + offset = 190; + break; + case LCD_PANEL_ID6_1600X1200: + offset = 250; + break; + case LCD_PANEL_ID7_1366X768: + case LCD_PANEL_IDB_1360X768: + offset = 212; + break; + default: + offset = 140; + break; + } + + /* Offset for simultaneous */ + reg_value = offset; + viafb_load_reg_num = offset_reg.iga2_offset_reg.reg_num; + reg = offset_reg.iga2_offset_reg.reg; + viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR); + DEBUG_MSG(KERN_INFO "viafb_load_reg!!\n"); + viafb_load_fetch_count_reg(set_hres, 4, IGA2); + /* Fetch count for simultaneous */ + } else { /* SAMM */ + /* Offset for IGA2 only */ + viafb_load_offset_reg(set_hres, mode_bpp / 8, set_iga); + /* Fetch count for IGA2 only */ + viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga); + + if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266) + && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400)) + viafb_load_FIFO_reg(set_iga, set_hres, set_vres); + + viafb_set_color_depth(mode_bpp / 8, set_iga); + } + + fill_lcd_format(); + + pll_D_N = viafb_get_clk_value(panel_crt_table[0].clk); + DEBUG_MSG(KERN_INFO "PLL=0x%x", pll_D_N); + viafb_set_vclock(pll_D_N, set_iga); + + viafb_set_output_path(DEVICE_LCD, set_iga, + plvds_chip_info->output_interface); + lcd_patch_skew(plvds_setting_info, plvds_chip_info); + + /* If K8M800, enable LCD Prefetch Mode. */ + if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) + || (UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name)) + viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0); + + load_lcd_patch_regs(set_hres, set_vres, + plvds_setting_info->lcd_panel_id, set_iga); + + DEBUG_MSG(KERN_INFO "load_lcd_patch_regs!!\n"); + + /* Patch for non 32bit alignment mode */ + via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info); +} + +static void integrated_lvds_disable(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + bool turn_off_first_powersequence = false; + bool turn_off_second_powersequence = false; + if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface) + turn_off_first_powersequence = true; + if (INTERFACE_LVDS0 == plvds_chip_info->output_interface) + turn_off_first_powersequence = true; + if (INTERFACE_LVDS1 == plvds_chip_info->output_interface) + turn_off_second_powersequence = true; + if (turn_off_second_powersequence) { + /* Use second power sequence control: */ + + /* Turn off power sequence. */ + viafb_write_reg_mask(CRD4, VIACR, 0, BIT1); + + /* Turn off back light. */ + viafb_write_reg_mask(CRD3, VIACR, 0xC0, BIT6 + BIT7); + } + if (turn_off_first_powersequence) { + /* Use first power sequence control: */ + + /* Turn off power sequence. */ + viafb_write_reg_mask(CR6A, VIACR, 0, BIT3); + + /* Turn off back light. */ + viafb_write_reg_mask(CR91, VIACR, 0xC0, BIT6 + BIT7); + } + + /* Turn DFP High/Low Pad off. */ + viafb_write_reg_mask(SR2A, VIASR, 0, BIT0 + BIT1 + BIT2 + BIT3); + + /* Power off LVDS channel. */ + switch (plvds_chip_info->output_interface) { + case INTERFACE_LVDS0: + { + viafb_write_reg_mask(CRD2, VIACR, 0x80, BIT7); + break; + } + + case INTERFACE_LVDS1: + { + viafb_write_reg_mask(CRD2, VIACR, 0x40, BIT6); + break; + } + + case INTERFACE_LVDS0LVDS1: + { + viafb_write_reg_mask(CRD2, VIACR, 0xC0, BIT6 + BIT7); + break; + } + } +} + +static void integrated_lvds_enable(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + bool turn_on_first_powersequence = false; + bool turn_on_second_powersequence = false; + + DEBUG_MSG(KERN_INFO "integrated_lvds_enable, out_interface:%d\n", + plvds_chip_info->output_interface); + if (plvds_setting_info->lcd_mode == LCD_SPWG) + viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT0 + BIT1); + else + viafb_write_reg_mask(CRD2, VIACR, 0x03, BIT0 + BIT1); + if (INTERFACE_LVDS0LVDS1 == plvds_chip_info->output_interface) + turn_on_first_powersequence = true; + if (INTERFACE_LVDS0 == plvds_chip_info->output_interface) + turn_on_first_powersequence = true; + if (INTERFACE_LVDS1 == plvds_chip_info->output_interface) + turn_on_second_powersequence = true; + + if (turn_on_second_powersequence) { + /* Use second power sequence control: */ + + /* Use hardware control power sequence. */ + viafb_write_reg_mask(CRD3, VIACR, 0, BIT0); + + /* Turn on back light. */ + viafb_write_reg_mask(CRD3, VIACR, 0, BIT6 + BIT7); + + /* Turn on hardware power sequence. */ + viafb_write_reg_mask(CRD4, VIACR, 0x02, BIT1); + } + if (turn_on_first_powersequence) { + /* Use first power sequence control: */ + + /* Use hardware control power sequence. */ + viafb_write_reg_mask(CR91, VIACR, 0, BIT0); + + /* Turn on back light. */ + viafb_write_reg_mask(CR91, VIACR, 0, BIT6 + BIT7); + + /* Turn on hardware power sequence. */ + viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3); + } + + /* Turn DFP High/Low pad on. */ + viafb_write_reg_mask(SR2A, VIASR, 0x0F, BIT0 + BIT1 + BIT2 + BIT3); + + /* Power on LVDS channel. */ + switch (plvds_chip_info->output_interface) { + case INTERFACE_LVDS0: + { + viafb_write_reg_mask(CRD2, VIACR, 0, BIT7); + break; + } + + case INTERFACE_LVDS1: + { + viafb_write_reg_mask(CRD2, VIACR, 0, BIT6); + break; + } + + case INTERFACE_LVDS0LVDS1: + { + viafb_write_reg_mask(CRD2, VIACR, 0, BIT6 + BIT7); + break; + } + } +} + +void viafb_lcd_disable(void) +{ + + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + lcd_powersequence_off(); + /* DI1 pad off */ + viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30); + } else if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { + if (viafb_LCD2_ON + && (INTEGRATED_LVDS == + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name)) + integrated_lvds_disable(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info2); + if (INTEGRATED_LVDS == + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) + integrated_lvds_disable(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + if (VT1636_LVDS == viaparinfo->chip_info-> + lvds_chip_info.lvds_chip_name) + viafb_disable_lvds_vt1636(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + } else if (VT1636_LVDS == + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + viafb_disable_lvds_vt1636(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + } else { + /* DFP-HL pad off */ + viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0F); + /* Backlight off */ + viafb_write_reg_mask(SR3D, VIASR, 0x00, 0x20); + /* 24 bit DI data paht off */ + viafb_write_reg_mask(CR91, VIACR, 0x80, 0x80); + /* Simultaneout disabled */ + viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08); + } + + /* Disable expansion bit */ + viafb_write_reg_mask(CR79, VIACR, 0x00, 0x01); + /* CRT path set to IGA1 */ + viafb_write_reg_mask(SR16, VIASR, 0x00, 0x40); + /* Simultaneout disabled */ + viafb_write_reg_mask(CR6B, VIACR, 0x00, 0x08); + /* IGA2 path disabled */ + viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80); + +} + +void viafb_lcd_enable(void) +{ + if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { + /* DI1 pad on */ + viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30); + lcd_powersequence_on(); + } else if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) { + if (viafb_LCD2_ON && (INTEGRATED_LVDS == + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name)) + integrated_lvds_enable(viaparinfo->lvds_setting_info2, \ + &viaparinfo->chip_info->lvds_chip_info2); + if (INTEGRATED_LVDS == + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) + integrated_lvds_enable(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + if (VT1636_LVDS == viaparinfo->chip_info-> + lvds_chip_info.lvds_chip_name) + viafb_enable_lvds_vt1636(viaparinfo-> + lvds_setting_info, &viaparinfo->chip_info-> + lvds_chip_info); + } else if (VT1636_LVDS == + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + viafb_enable_lvds_vt1636(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info); + } else { + /* DFP-HL pad on */ + viafb_write_reg_mask(SR2A, VIASR, 0x0F, 0x0F); + /* Backlight on */ + viafb_write_reg_mask(SR3D, VIASR, 0x20, 0x20); + /* 24 bit DI data paht on */ + viafb_write_reg_mask(CR91, VIACR, 0x00, 0x80); + + /* Set data source selection bit by iga path */ + if (viaparinfo->lvds_setting_info->iga_path == IGA1) { + /* DFP-H set to IGA1 */ + viafb_write_reg_mask(CR97, VIACR, 0x00, 0x10); + /* DFP-L set to IGA1 */ + viafb_write_reg_mask(CR99, VIACR, 0x00, 0x10); + } else { + /* DFP-H set to IGA2 */ + viafb_write_reg_mask(CR97, VIACR, 0x10, 0x10); + /* DFP-L set to IGA2 */ + viafb_write_reg_mask(CR99, VIACR, 0x10, 0x10); + } + /* LCD enabled */ + viafb_write_reg_mask(CR6A, VIACR, 0x48, 0x48); + } + + if ((viaparinfo->lvds_setting_info->iga_path == IGA1) + || (viaparinfo->lvds_setting_info->iga_path == IGA1_IGA2)) { + /* CRT path set to IGA2 */ + viafb_write_reg_mask(SR16, VIASR, 0x40, 0x40); + /* IGA2 path disabled */ + viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x80); + /* IGA2 path enabled */ + } else { /* IGA2 */ + viafb_write_reg_mask(CR6A, VIACR, 0x80, 0x80); + } + +} + +static void lcd_powersequence_off(void) +{ + int i, mask, data; + + /* Software control power sequence */ + viafb_write_reg_mask(CR91, VIACR, 0x11, 0x11); + + for (i = 0; i < 3; i++) { + mask = PowerSequenceOff[0][i]; + data = PowerSequenceOff[1][i] & mask; + viafb_write_reg_mask(CR91, VIACR, (u8) data, (u8) mask); + udelay(PowerSequenceOff[2][i]); + } + + /* Disable LCD */ + viafb_write_reg_mask(CR6A, VIACR, 0x00, 0x08); +} + +static void lcd_powersequence_on(void) +{ + int i, mask, data; + + /* Software control power sequence */ + viafb_write_reg_mask(CR91, VIACR, 0x11, 0x11); + + /* Enable LCD */ + viafb_write_reg_mask(CR6A, VIACR, 0x08, 0x08); + + for (i = 0; i < 3; i++) { + mask = PowerSequenceOn[0][i]; + data = PowerSequenceOn[1][i] & mask; + viafb_write_reg_mask(CR91, VIACR, (u8) data, (u8) mask); + udelay(PowerSequenceOn[2][i]); + } + + udelay(1); +} + +static void fill_lcd_format(void) +{ + u8 bdithering = 0, bdual = 0; + + if (viaparinfo->lvds_setting_info->device_lcd_dualedge) + bdual = BIT4; + if (viaparinfo->lvds_setting_info->LCDDithering) + bdithering = BIT0; + /* Dual & Dithering */ + viafb_write_reg_mask(CR88, VIACR, (bdithering | bdual), BIT4 + BIT0); +} + +static void check_diport_of_integrated_lvds( + struct lvds_chip_information *plvds_chip_info, + struct lvds_setting_information + *plvds_setting_info) +{ + /* Determine LCD DI Port by hardware layout. */ + switch (viafb_display_hardware_layout) { + case HW_LAYOUT_LCD_ONLY: + { + if (plvds_setting_info->device_lcd_dualedge) { + plvds_chip_info->output_interface = + INTERFACE_LVDS0LVDS1; + } else { + plvds_chip_info->output_interface = + INTERFACE_LVDS0; + } + + break; + } + + case HW_LAYOUT_DVI_ONLY: + { + plvds_chip_info->output_interface = INTERFACE_NONE; + break; + } + + case HW_LAYOUT_LCD1_LCD2: + case HW_LAYOUT_LCD_EXTERNAL_LCD2: + { + plvds_chip_info->output_interface = + INTERFACE_LVDS0LVDS1; + break; + } + + case HW_LAYOUT_LCD_DVI: + { + plvds_chip_info->output_interface = INTERFACE_LVDS1; + break; + } + + default: + { + plvds_chip_info->output_interface = INTERFACE_LVDS1; + break; + } + } + + DEBUG_MSG(KERN_INFO + "Display Hardware Layout: 0x%x, LCD DI Port: 0x%x\n", + viafb_display_hardware_layout, + plvds_chip_info->output_interface); +} + +void viafb_init_lvds_output_interface(struct lvds_chip_information + *plvds_chip_info, + struct lvds_setting_information + *plvds_setting_info) +{ + if (INTERFACE_NONE != plvds_chip_info->output_interface) { + /*Do nothing, lcd port is specified by module parameter */ + return; + } + + switch (plvds_chip_info->lvds_chip_name) { + + case VT1636_LVDS: + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CX700: + plvds_chip_info->output_interface = INTERFACE_DVP1; + break; + case UNICHROME_CN700: + plvds_chip_info->output_interface = INTERFACE_DFP_LOW; + break; + default: + plvds_chip_info->output_interface = INTERFACE_DVP0; + break; + } + break; + + case INTEGRATED_LVDS: + check_diport_of_integrated_lvds(plvds_chip_info, + plvds_setting_info); + break; + + default: + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_K8M890: + case UNICHROME_P4M900: + case UNICHROME_P4M890: + plvds_chip_info->output_interface = INTERFACE_DFP_LOW; + break; + default: + plvds_chip_info->output_interface = INTERFACE_DFP; + break; + } + break; + } +} + +static struct display_timing lcd_centering_timging(struct display_timing + mode_crt_reg, + struct display_timing panel_crt_reg) +{ + struct display_timing crt_reg; + + crt_reg.hor_total = panel_crt_reg.hor_total; + crt_reg.hor_addr = mode_crt_reg.hor_addr; + crt_reg.hor_blank_start = + (panel_crt_reg.hor_addr - mode_crt_reg.hor_addr) / 2 + + crt_reg.hor_addr; + crt_reg.hor_blank_end = panel_crt_reg.hor_blank_end; + crt_reg.hor_sync_start = + (panel_crt_reg.hor_sync_start - + panel_crt_reg.hor_blank_start) + crt_reg.hor_blank_start; + crt_reg.hor_sync_end = panel_crt_reg.hor_sync_end; + + crt_reg.ver_total = panel_crt_reg.ver_total; + crt_reg.ver_addr = mode_crt_reg.ver_addr; + crt_reg.ver_blank_start = + (panel_crt_reg.ver_addr - mode_crt_reg.ver_addr) / 2 + + crt_reg.ver_addr; + crt_reg.ver_blank_end = panel_crt_reg.ver_blank_end; + crt_reg.ver_sync_start = + (panel_crt_reg.ver_sync_start - + panel_crt_reg.ver_blank_start) + crt_reg.ver_blank_start; + crt_reg.ver_sync_end = panel_crt_reg.ver_sync_end; + + return crt_reg; +} + +static void load_crtc_shadow_timing(struct display_timing mode_timing, + struct display_timing panel_timing) +{ + struct io_register *reg = NULL; + int i; + int viafb_load_reg_Num = 0; + int reg_value = 0; + + if (viaparinfo->lvds_setting_info->display_method == LCD_EXPANDSION) { + /* Expansion */ + for (i = 12; i < 20; i++) { + switch (i) { + case H_TOTAL_SHADOW_INDEX: + reg_value = + IGA2_HOR_TOTAL_SHADOW_FORMULA + (panel_timing.hor_total); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.hor_total_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.hor_total_shadow.reg; + break; + case H_BLANK_END_SHADOW_INDEX: + reg_value = + IGA2_HOR_BLANK_END_SHADOW_FORMULA + (panel_timing.hor_blank_start, + panel_timing.hor_blank_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + hor_blank_end_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + hor_blank_end_shadow.reg; + break; + case V_TOTAL_SHADOW_INDEX: + reg_value = + IGA2_VER_TOTAL_SHADOW_FORMULA + (panel_timing.ver_total); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_total_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.ver_total_shadow.reg; + break; + case V_ADDR_SHADOW_INDEX: + reg_value = + IGA2_VER_ADDR_SHADOW_FORMULA + (panel_timing.ver_addr); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_addr_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg; + break; + case V_BLANK_SATRT_SHADOW_INDEX: + reg_value = + IGA2_VER_BLANK_START_SHADOW_FORMULA + (panel_timing.ver_blank_start); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_blank_start_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_blank_start_shadow.reg; + break; + case V_BLANK_END_SHADOW_INDEX: + reg_value = + IGA2_VER_BLANK_END_SHADOW_FORMULA + (panel_timing.ver_blank_start, + panel_timing.ver_blank_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_blank_end_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_blank_end_shadow.reg; + break; + case V_SYNC_SATRT_SHADOW_INDEX: + reg_value = + IGA2_VER_SYNC_START_SHADOW_FORMULA + (panel_timing.ver_sync_start); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_sync_start_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_sync_start_shadow.reg; + break; + case V_SYNC_END_SHADOW_INDEX: + reg_value = + IGA2_VER_SYNC_END_SHADOW_FORMULA + (panel_timing.ver_sync_start, + panel_timing.ver_sync_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_sync_end_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_sync_end_shadow.reg; + break; + } + viafb_load_reg(reg_value, + viafb_load_reg_Num, reg, VIACR); + } + } else { /* Centering */ + for (i = 12; i < 20; i++) { + switch (i) { + case H_TOTAL_SHADOW_INDEX: + reg_value = + IGA2_HOR_TOTAL_SHADOW_FORMULA + (panel_timing.hor_total); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.hor_total_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.hor_total_shadow.reg; + break; + case H_BLANK_END_SHADOW_INDEX: + reg_value = + IGA2_HOR_BLANK_END_SHADOW_FORMULA + (panel_timing.hor_blank_start, + panel_timing.hor_blank_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + hor_blank_end_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + hor_blank_end_shadow.reg; + break; + case V_TOTAL_SHADOW_INDEX: + reg_value = + IGA2_VER_TOTAL_SHADOW_FORMULA + (panel_timing.ver_total); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_total_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.ver_total_shadow.reg; + break; + case V_ADDR_SHADOW_INDEX: + reg_value = + IGA2_VER_ADDR_SHADOW_FORMULA + (mode_timing.ver_addr); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_addr_shadow. + reg_num; + reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg; + break; + case V_BLANK_SATRT_SHADOW_INDEX: + reg_value = + IGA2_VER_BLANK_START_SHADOW_FORMULA + (mode_timing.ver_blank_start); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_blank_start_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_blank_start_shadow.reg; + break; + case V_BLANK_END_SHADOW_INDEX: + reg_value = + IGA2_VER_BLANK_END_SHADOW_FORMULA + (panel_timing.ver_blank_start, + panel_timing.ver_blank_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg. + ver_blank_end_shadow.reg_num; + reg = + iga2_shadow_crtc_reg. + ver_blank_end_shadow.reg; + break; + case V_SYNC_SATRT_SHADOW_INDEX: + reg_value = + IGA2_VER_SYNC_START_SHADOW_FORMULA( + (panel_timing.ver_sync_start - + panel_timing.ver_blank_start) + + (panel_timing.ver_addr - + mode_timing.ver_addr) / 2 + + mode_timing.ver_addr); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_sync_start_shadow. + reg_num; + reg = + iga2_shadow_crtc_reg.ver_sync_start_shadow. + reg; + break; + case V_SYNC_END_SHADOW_INDEX: + reg_value = + IGA2_VER_SYNC_END_SHADOW_FORMULA( + (panel_timing.ver_sync_start - + panel_timing.ver_blank_start) + + (panel_timing.ver_addr - + mode_timing.ver_addr) / 2 + + mode_timing.ver_addr, + panel_timing.ver_sync_end); + viafb_load_reg_Num = + iga2_shadow_crtc_reg.ver_sync_end_shadow. + reg_num; + reg = + iga2_shadow_crtc_reg.ver_sync_end_shadow. + reg; + break; + } + viafb_load_reg(reg_value, + viafb_load_reg_Num, reg, VIACR); + } + } +} + +bool viafb_lcd_get_mobile_state(bool *mobile) +{ + unsigned char *romptr, *tableptr; + u8 core_base; + unsigned char *biosptr; + /* Rom address */ + u32 romaddr = 0x000C0000; + u16 start_pattern = 0; + + biosptr = ioremap(romaddr, 0x10000); + + memcpy(&start_pattern, biosptr, 2); + /* Compare pattern */ + if (start_pattern == 0xAA55) { + /* Get the start of Table */ + /* 0x1B means BIOS offset position */ + romptr = biosptr + 0x1B; + tableptr = biosptr + *((u16 *) romptr); + + /* Get the start of biosver structure */ + /* 18 means BIOS version position. */ + romptr = tableptr + 18; + romptr = biosptr + *((u16 *) romptr); + + /* The offset should be 44, but the + actual image is less three char. */ + /* pRom += 44; */ + romptr += 41; + + core_base = *romptr++; + + if (core_base & 0x8) + *mobile = false; + else + *mobile = true; + /* release memory */ + iounmap(biosptr); + + return true; + } else { + iounmap(biosptr); + return false; + } +} + +static void viafb_load_scaling_factor_for_p4m900(int set_hres, + int set_vres, int panel_hres, int panel_vres) +{ + int h_scaling_factor; + int v_scaling_factor; + u8 cra2 = 0; + u8 cr77 = 0; + u8 cr78 = 0; + u8 cr79 = 0; + u8 cr9f = 0; + /* Check if expansion for horizontal */ + if (set_hres < panel_hres) { + /* Load Horizontal Scaling Factor */ + + /* For VIA_K8M800 or later chipsets. */ + h_scaling_factor = + K800_LCD_HOR_SCF_FORMULA(set_hres, panel_hres); + /* HSCaleFactor[1:0] at CR9F[1:0] */ + cr9f = h_scaling_factor & 0x0003; + /* HSCaleFactor[9:2] at CR77[7:0] */ + cr77 = (h_scaling_factor & 0x03FC) >> 2; + /* HSCaleFactor[11:10] at CR79[5:4] */ + cr79 = (h_scaling_factor & 0x0C00) >> 10; + cr79 <<= 4; + + /* Horizontal scaling enabled */ + cra2 = 0xC0; + + DEBUG_MSG(KERN_INFO "Horizontal Scaling value = %d\n", + h_scaling_factor); + } else { + /* Horizontal scaling disabled */ + cra2 = 0x00; + } + + /* Check if expansion for vertical */ + if (set_vres < panel_vres) { + /* Load Vertical Scaling Factor */ + + /* For VIA_K8M800 or later chipsets. */ + v_scaling_factor = + K800_LCD_VER_SCF_FORMULA(set_vres, panel_vres); + + /* Vertical scaling enabled */ + cra2 |= 0x08; + /* VSCaleFactor[0] at CR79[3] */ + cr79 |= ((v_scaling_factor & 0x0001) << 3); + /* VSCaleFactor[8:1] at CR78[7:0] */ + cr78 |= (v_scaling_factor & 0x01FE) >> 1; + /* VSCaleFactor[10:9] at CR79[7:6] */ + cr79 |= ((v_scaling_factor & 0x0600) >> 9) << 6; + + DEBUG_MSG(KERN_INFO "Vertical Scaling value = %d\n", + v_scaling_factor); + } else { + /* Vertical scaling disabled */ + cra2 |= 0x00; + } + + viafb_write_reg_mask(CRA2, VIACR, cra2, BIT3 + BIT6 + BIT7); + viafb_write_reg_mask(CR77, VIACR, cr77, 0xFF); + viafb_write_reg_mask(CR78, VIACR, cr78, 0xFF); + viafb_write_reg_mask(CR79, VIACR, cr79, 0xF8); + viafb_write_reg_mask(CR9F, VIACR, cr9f, BIT0 + BIT1); +} diff --git a/drivers/video/via/lcd.h b/drivers/video/via/lcd.h new file mode 100644 index 000000000000..071f47cf5be1 --- /dev/null +++ b/drivers/video/via/lcd.h @@ -0,0 +1,94 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __LCD_H__ +#define __LCD_H__ + +/*Definition TMDS Device ID register*/ +#define VT1631_DEVICE_ID_REG 0x02 +#define VT1631_DEVICE_ID 0x92 + +#define VT3271_DEVICE_ID_REG 0x02 +#define VT3271_DEVICE_ID 0x71 + +#define GET_LCD_SIZE_BY_SYSTEM_BIOS 0x01 +#define GET_LCD_SIZE_BY_VGA_BIOS 0x02 +#define GET_LCD_SZIE_BY_HW_STRAPPING 0x03 +#define GET_LCD_SIZE_BY_USER_SETTING 0x04 + +/* Definition DVI Panel ID*/ +/* Resolution: 640x480, Channel: single, Dithering: Enable */ +#define LCD_PANEL_ID0_640X480 0x00 +/* Resolution: 800x600, Channel: single, Dithering: Enable */ +#define LCD_PANEL_ID1_800X600 0x01 +/* Resolution: 1024x768, Channel: single, Dithering: Enable */ +#define LCD_PANEL_ID2_1024X768 0x02 +/* Resolution: 1280x768, Channel: single, Dithering: Enable */ +#define LCD_PANEL_ID3_1280X768 0x03 +/* Resolution: 1280x1024, Channel: dual, Dithering: Enable */ +#define LCD_PANEL_ID4_1280X1024 0x04 +/* Resolution: 1400x1050, Channel: dual, Dithering: Enable */ +#define LCD_PANEL_ID5_1400X1050 0x05 +/* Resolution: 1600x1200, Channel: dual, Dithering: Enable */ +#define LCD_PANEL_ID6_1600X1200 0x06 +/* Resolution: 1366x768, Channel: single, Dithering: Disable */ +#define LCD_PANEL_ID7_1366X768 0x07 +/* Resolution: 1024x600, Channel: single, Dithering: Enable*/ +#define LCD_PANEL_ID8_1024X600 0x08 +/* Resolution: 1280x800, Channel: single, Dithering: Enable*/ +#define LCD_PANEL_ID9_1280X800 0x09 +/* Resolution: 800x480, Channel: single, Dithering: Enable*/ +#define LCD_PANEL_IDA_800X480 0x0A +/* Resolution: 1360x768, Channel: single, Dithering: Disable*/ +#define LCD_PANEL_IDB_1360X768 0x0B +/* Resolution: 480x640, Channel: single, Dithering: Enable */ +#define LCD_PANEL_IDC_480X640 0x0C + + +extern int viafb_LCD2_ON; +extern int viafb_LCD_ON; +extern int viafb_DVI_ON; + +void viafb_disable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_enable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_lcd_disable(void); +void viafb_lcd_enable(void); +void viafb_init_lcd_size(void); +void viafb_init_lvds_output_interface(struct lvds_chip_information + *plvds_chip_info, + struct lvds_setting_information + *plvds_setting_info); +void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table, + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +int viafb_lvds_trasmitter_identify(void); +void viafb_init_lvds_output_interface(struct lvds_chip_information + *plvds_chip_info, + struct lvds_setting_information + *plvds_setting_info); +bool viafb_lcd_get_mobile_state(bool *mobile); +void viafb_load_crtc_timing(struct display_timing device_timing, + int set_iga); + +#endif /* __LCD_H__ */ diff --git a/drivers/video/via/lcdtbl.h b/drivers/video/via/lcdtbl.h new file mode 100644 index 000000000000..6f3dd800be59 --- /dev/null +++ b/drivers/video/via/lcdtbl.h @@ -0,0 +1,591 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __LCDTBL_H__ +#define __LCDTBL_H__ + +#include "share.h" + +/* CLE266 Software Power Sequence */ +/* {Mask}, {Data}, {Delay} */ +int PowerSequenceOn[3][3] = + { {0x10, 0x08, 0x06}, {0x10, 0x08, 0x06}, {0x19, 0x1FE, 0x01} }; +int PowerSequenceOff[3][3] = + { {0x06, 0x08, 0x10}, {0x00, 0x00, 0x00}, {0xD2, 0x19, 0x01} }; + +/* ++++++ P880 ++++++ */ +/* Panel 1600x1200 */ +struct io_reg P880_LCD_RES_6X4_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x73}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x73}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5A}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x5E}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xD6}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR44, 0xFF, 0x7D}, {VIASR, SR45, 0xFF, 0x8C}, + {VIASR, SR46, 0xFF, 0x02} + +}; + +#define NUM_TOTAL_P880_LCD_RES_6X4_16X12 ARRAY_SIZE(P880_LCD_RES_6X4_16X12) + +struct io_reg P880_LCD_RES_7X4_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x67}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x67}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x74}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x78}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xF5}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR44, 0xFF, 0x78}, {VIASR, SR45, 0xFF, 0x8C}, + {VIASR, SR46, 0xFF, 0x01} + +}; + +#define NUM_TOTAL_P880_LCD_RES_7X4_16X12 ARRAY_SIZE(P880_LCD_RES_7X4_16X12) + +struct io_reg P880_LCD_RES_8X6_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x65}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x65}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xE1}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR44, 0xFF, 0x6D}, {VIASR, SR45, 0xFF, 0x88}, + {VIASR, SR46, 0xFF, 0x03} + +}; + +#define NUM_TOTAL_P880_LCD_RES_8X6_16X12 ARRAY_SIZE(P880_LCD_RES_8X6_16X12) + +struct io_reg P880_LCD_RES_10X7_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x65}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x65}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xAB}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xAF}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xF0}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR44, 0xFF, 0x92}, {VIASR, SR45, 0xFF, 0x88}, + {VIASR, SR46, 0xFF, 0x03} + +}; + +#define NUM_TOTAL_P880_LCD_RES_10X7_16X12 ARRAY_SIZE(P880_LCD_RES_10X7_16X12) + +struct io_reg P880_LCD_RES_12X10_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x7D}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x7D}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xD0}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xD4}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xFA}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR44, 0xFF, 0xF6}, {VIASR, SR45, 0xFF, 0x88}, + {VIASR, SR46, 0xFF, 0x05} + +}; + +#define NUM_TOTAL_P880_LCD_RES_12X10_16X12 ARRAY_SIZE(P880_LCD_RES_12X10_16X12) + +/* Panel 1400x1050 */ +struct io_reg P880_LCD_RES_6X4_14X10[] = { + /* 640x480 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5F}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x63}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xB4}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR44, 0xFF, 0xC6}, {VIASR, SR45, 0xFF, 0x8C}, + {VIASR, SR46, 0xFF, 0x05} +}; + +#define NUM_TOTAL_P880_LCD_RES_6X4_14X10 ARRAY_SIZE(P880_LCD_RES_6X4_14X10) + +struct io_reg P880_LCD_RES_8X6_14X10[] = { + /* 800x600 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xBE}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR44, 0xFF, 0x06}, {VIASR, SR45, 0xFF, 0x8D}, + {VIASR, SR46, 0xFF, 0x05} +}; + +#define NUM_TOTAL_P880_LCD_RES_8X6_14X10 ARRAY_SIZE(P880_LCD_RES_8X6_14X10) + +/* ++++++ K400 ++++++ */ +/* Panel 1600x1200 */ +struct io_reg K400_LCD_RES_6X4_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x73}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x73}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5A}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x5E}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xDA}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0xC4}, {VIASR, SR47, 0xFF, 0x7F} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_16X12 ARRAY_SIZE(K400_LCD_RES_6X4_16X12) + +struct io_reg K400_LCD_RES_7X4_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x67}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x67}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x74}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x78}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xF5}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x46}, {VIASR, SR47, 0xFF, 0x3D} +}; + +#define NUM_TOTAL_K400_LCD_RES_7X4_16X12 ARRAY_SIZE(K400_LCD_RES_7X4_16X12) + +struct io_reg K400_LCD_RES_8X6_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x65}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x65}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xE1}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x85}, {VIASR, SR47, 0xFF, 0x6F} +}; + +#define NUM_TOTAL_K400_LCD_RES_8X6_16X12 ARRAY_SIZE(K400_LCD_RES_8X6_16X12) + +struct io_reg K400_LCD_RES_10X7_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x65}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x65}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xAB}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xAF}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xF0}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x45}, {VIASR, SR47, 0xFF, 0x4A} +}; + +#define NUM_TOTAL_K400_LCD_RES_10X7_16X12 ARRAY_SIZE(K400_LCD_RES_10X7_16X12) + +struct io_reg K400_LCD_RES_12X10_16X12[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x7D}, {VIACR, CR55, 0x0F, 0x08}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x7D}, {VIACR, CR54, 0x38, 0x00}, + {VIACR, CR5D, 0x40, 0x40}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xD0}, {VIACR, CR71, 0x08, 0x00}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xD4}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xFA}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x47}, {VIASR, SR47, 0xFF, 0x7C} +}; + +#define NUM_TOTAL_K400_LCD_RES_12X10_16X12 ARRAY_SIZE(K400_LCD_RES_12X10_16X12) + +/* Panel 1400x1050 */ +struct io_reg K400_LCD_RES_6X4_14X10[] = { + /* 640x400 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5F}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x63}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xB4}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x07}, {VIASR, SR47, 0xFF, 0x19} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_14X10 ARRAY_SIZE(K400_LCD_RES_6X4_14X10) + +struct io_reg K400_LCD_RES_8X6_14X10[] = { + /* 800x600 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xBE}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x07}, {VIASR, SR47, 0xFF, 0x21} +}; + +#define NUM_TOTAL_K400_LCD_RES_8X6_14X10 ARRAY_SIZE(K400_LCD_RES_8X6_14X10) + +struct io_reg K400_LCD_RES_10X7_14X10[] = { + /* 1024x768 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xA3}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xA7}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xC3}, {VIACR, CR67, 0x03, 0x04}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x05}, {VIASR, SR47, 0xFF, 0x1E} +}; + +#define NUM_TOTAL_K400_LCD_RES_10X7_14X10 ARRAY_SIZE(K400_LCD_RES_10X7_14X10) + +struct io_reg K400_LCD_RES_12X10_14X10[] = { + /* 1280x768, 1280x960, 1280x1024 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x97}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x97}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xCE}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xD2}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xC9}, {VIACR, CR67, 0x03, 0x04}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x84}, {VIASR, SR47, 0xFF, 0x79} +}; + +#define NUM_TOTAL_K400_LCD_RES_12X10_14X10 ARRAY_SIZE(K400_LCD_RES_12X10_14X10) + +/* ++++++ K400 ++++++ */ +/* Panel 1366x768 */ +struct io_reg K400_LCD_RES_6X4_1366X7[] = { + /* 640x400 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x47}, {VIACR, CR55, 0x0F, 0x35}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x47}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x60}, {VIACR, CR71, 0x08, 0x23}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x64}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x8C}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x87}, {VIASR, SR47, 0xFF, 0x4C} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_1366X7 ARRAY_SIZE(K400_LCD_RES_6X4_1366X7) + +struct io_reg K400_LCD_RES_7X4_1366X7[] = { + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x3B}, {VIACR, CR55, 0x0F, 0x35}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x3B}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x71}, {VIACR, CR71, 0x08, 0x23}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x75}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x96}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x05}, {VIASR, SR47, 0xFF, 0x10} +}; + +#define NUM_TOTAL_K400_LCD_RES_7X4_1366X7 ARRAY_SIZE(K400_LCD_RES_7X4_1366X7) + +struct io_reg K400_LCD_RES_8X6_1366X7[] = { + /* 800x600 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x37}, {VIACR, CR55, 0x0F, 0x35}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x37}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7E}, {VIACR, CR71, 0x08, 0x23}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x82}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x8C}, {VIACR, CR67, 0x03, 0x00}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x84}, {VIASR, SR47, 0xFF, 0xB9} +}; + +#define NUM_TOTAL_K400_LCD_RES_8X6_1366X7 ARRAY_SIZE(K400_LCD_RES_8X6_1366X7) + +struct io_reg K400_LCD_RES_10X7_1366X7[] = { + /* 1024x768 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xA3}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xA7}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xC3}, {VIACR, CR67, 0x03, 0x04}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x05}, {VIASR, SR47, 0xFF, 0x1E} +}; + +#define NUM_TOTAL_K400_LCD_RES_10X7_1366X7 ARRAY_SIZE(K400_LCD_RES_10X7_1366X7) + +struct io_reg K400_LCD_RES_12X10_1366X7[] = { + /* 1280x768, 1280x960, 1280x1024 */ + /* IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x97}, {VIACR, CR55, 0x0F, 0x56}, + /* IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x97}, {VIACR, CR54, 0x38, 0x75}, + {VIACR, CR5D, 0x40, 0x24}, + /* IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xCE}, {VIACR, CR71, 0x08, 0x44}, + /* IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xD2}, + /* IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xC9}, {VIACR, CR67, 0x03, 0x04}, + /* VCLK */ + {VIASR, SR46, 0xFF, 0x84}, {VIASR, SR47, 0xFF, 0x79} +}; + +#define NUM_TOTAL_K400_LCD_RES_12X10_1366X7\ + ARRAY_SIZE(K400_LCD_RES_12X10_1366X7) + +/* ++++++ K400 ++++++ */ +/* Panel 1280x1024 */ +struct io_reg K400_LCD_RES_6X4_12X10[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x46}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x74}, + {VIACR, CR5D, 0x40, 0x1C}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5F}, {VIACR, CR71, 0x08, 0x34}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x63}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xAA}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x07}, {VIASR, SR47, 0xFF, 0x19} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_12X10 ARRAY_SIZE(K400_LCD_RES_6X4_12X10) + +struct io_reg K400_LCD_RES_7X4_12X10[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x46}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x74}, + {VIACR, CR5D, 0x40, 0x1C}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x68}, {VIACR, CR71, 0x08, 0x34}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x6C}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xA8}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x87}, {VIASR, SR47, 0xFF, 0xED} +}; + +#define NUM_TOTAL_K400_LCD_RES_7X4_12X10 ARRAY_SIZE(K400_LCD_RES_7X4_12X10) + +struct io_reg K400_LCD_RES_8X6_12X10[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x46}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x74}, + {VIACR, CR5D, 0x40, 0x1C}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x34}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xBE}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x07}, {VIASR, SR47, 0xFF, 0x21} +}; + +#define NUM_TOTAL_K400_LCD_RES_8X6_12X10 ARRAY_SIZE(K400_LCD_RES_8X6_12X10) + +struct io_reg K400_LCD_RES_10X7_12X10[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x9D}, {VIACR, CR55, 0x0F, 0x46}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x9D}, {VIACR, CR54, 0x38, 0x74}, + {VIACR, CR5D, 0x40, 0x1C}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0xA3}, {VIACR, CR71, 0x08, 0x34}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0xA7}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0xBE}, {VIACR, CR67, 0x03, 0x04}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x05}, {VIASR, SR47, 0xFF, 0x1E} +}; + +#define NUM_TOTAL_K400_LCD_RES_10X7_12X10 ARRAY_SIZE(K400_LCD_RES_10X7_12X10) + +/* ++++++ K400 ++++++ */ +/* Panel 1024x768 */ +struct io_reg K400_LCD_RES_6X4_10X7[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x47}, {VIACR, CR55, 0x0F, 0x35}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x47}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x60}, {VIACR, CR71, 0x08, 0x23}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x64}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x8C}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x87}, {VIASR, SR47, 0xFF, 0x4C} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_10X7 ARRAY_SIZE(K400_LCD_RES_6X4_10X7) + +struct io_reg K400_LCD_RES_7X4_10X7[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x3B}, {VIACR, CR55, 0x0F, 0x35}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x3B}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x71}, {VIACR, CR71, 0x08, 0x23}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x75}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x96}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x05}, {VIASR, SR47, 0xFF, 0x10} +}; + +#define NUM_TOTAL_K400_LCD_RES_7X4_10X7 ARRAY_SIZE(K400_LCD_RES_7X4_10X7) + +struct io_reg K400_LCD_RES_8X6_10X7[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x37}, {VIACR, CR55, 0x0F, 0x35}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x37}, {VIACR, CR54, 0x38, 0x2B}, + {VIACR, CR5D, 0x40, 0x13}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7E}, {VIACR, CR71, 0x08, 0x23}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x82}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x8C}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x84}, {VIASR, SR47, 0xFF, 0xB9} +}; + +#define NUM_TOTAL_K400_LCD_RES_8X6_10X7 ARRAY_SIZE(K400_LCD_RES_8X6_10X7) + +/* ++++++ K400 ++++++ */ +/* Panel 800x600 */ +struct io_reg K400_LCD_RES_6X4_8X6[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x1A}, {VIACR, CR55, 0x0F, 0x34}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x1A}, {VIACR, CR54, 0x38, 0xE3}, + {VIACR, CR5D, 0x40, 0x12}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x5F}, {VIACR, CR71, 0x08, 0x22}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x63}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x6E}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0x86}, {VIASR, SR47, 0xFF, 0xB3} +}; + +#define NUM_TOTAL_K400_LCD_RES_6X4_8X6 ARRAY_SIZE(K400_LCD_RES_6X4_8X6) + +struct io_reg K400_LCD_RES_7X4_8X6[] = { + /*IGA2 Horizontal Total */ + {VIACR, CR50, 0xFF, 0x1F}, {VIACR, CR55, 0x0F, 0x34}, + /*IGA2 Horizontal Blank End */ + {VIACR, CR53, 0xFF, 0x1F}, {VIACR, CR54, 0x38, 0xE3}, + {VIACR, CR5D, 0x40, 0x12}, + /*IGA2 Horizontal Total Shadow */ + {VIACR, CR6D, 0xFF, 0x7F}, {VIACR, CR71, 0x08, 0x22}, + /*IGA2 Horizontal Blank End Shadow */ + {VIACR, CR6E, 0xFF, 0x83}, + /*IGA2 Offset */ + {VIACR, CR66, 0xFF, 0x78}, {VIACR, CR67, 0x03, 0x00}, + /*VCLK*/ {VIASR, SR46, 0xFF, 0xC4}, {VIASR, SR47, 0xFF, 0x59} +}; + +#define NUM_TOTAL_K400_LCD_RES_7X4_8X6 ARRAY_SIZE(K400_LCD_RES_7X4_8X6) + +#endif /* __LCDTBL_H__ */ -- GitLab From 37773cf564935a02b699b6db37a9f29f0bc6cd2c Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:26 -0700 Subject: [PATCH 5453/6244] viafb: Makefile, share.h Makefile for drivers/video/via/ share.h: shared macro for viafb Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/Makefile | 7 + drivers/video/via/share.h | 1105 ++++++++++++++++++++++++++++++++++++ 2 files changed, 1112 insertions(+) create mode 100644 drivers/video/via/Makefile create mode 100644 drivers/video/via/share.h diff --git a/drivers/video/via/Makefile b/drivers/video/via/Makefile new file mode 100644 index 000000000000..e533b4b6aba4 --- /dev/null +++ b/drivers/video/via/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the VIA framebuffer driver (for Linux Kernel 2.6) +# + +obj-$(CONFIG_FB_VIA) += viafb.o + +viafb-y :=viafbdev.o hw.o iface.o via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h new file mode 100644 index 000000000000..2e1254da9c8c --- /dev/null +++ b/drivers/video/via/share.h @@ -0,0 +1,1105 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __SHARE_H__ +#define __SHARE_H__ + +/* Define Return Value */ +#define FAIL -1 +#define OK 1 + +#ifndef NULL +#define NULL 0 +#endif + +/* Define Bit Field */ +#define BIT0 0x01 +#define BIT1 0x02 +#define BIT2 0x04 +#define BIT3 0x08 +#define BIT4 0x10 +#define BIT5 0x20 +#define BIT6 0x40 +#define BIT7 0x80 + +/* Video Memory Size */ +#define VIDEO_MEMORY_SIZE_16M 0x1000000 + +/* Definition Mode Index +*/ +#define VIA_RES_640X480 0 +#define VIA_RES_800X600 1 +#define VIA_RES_1024X768 2 +#define VIA_RES_1152X864 3 +#define VIA_RES_1280X1024 4 +#define VIA_RES_1600X1200 5 +#define VIA_RES_1440X1050 6 +#define VIA_RES_1280X768 7 +#define VIA_RES_1280X960 8 +#define VIA_RES_1920X1440 9 +#define VIA_RES_848X480 10 +#define VIA_RES_1400X1050 11 +#define VIA_RES_720X480 12 +#define VIA_RES_720X576 13 +#define VIA_RES_1024X512 14 +#define VIA_RES_856X480 15 +#define VIA_RES_1024X576 16 +#define VIA_RES_640X400 17 +#define VIA_RES_1280X720 18 +#define VIA_RES_1920X1080 19 +#define VIA_RES_800X480 20 +#define VIA_RES_1368X768 21 +#define VIA_RES_1024X600 22 +#define VIA_RES_1280X800 23 +#define VIA_RES_1680X1050 24 +#define VIA_RES_960X600 25 +#define VIA_RES_1000X600 26 +#define VIA_RES_1088X612 27 +#define VIA_RES_1152X720 28 +#define VIA_RES_1200X720 29 +#define VIA_RES_1280X600 30 +#define VIA_RES_1360X768 31 +#define VIA_RES_1366X768 32 +#define VIA_RES_1440X900 33 +#define VIA_RES_1600X900 34 +#define VIA_RES_1600X1024 35 +#define VIA_RES_1792X1344 36 +#define VIA_RES_1856X1392 37 +#define VIA_RES_1920X1200 38 +#define VIA_RES_2048X1536 39 +#define VIA_RES_480X640 40 + +/*Reduce Blanking*/ +#define VIA_RES_1360X768_RB 131 +#define VIA_RES_1440X900_RB 133 +#define VIA_RES_1400X1050_RB 111 +#define VIA_RES_1600X900_RB 134 +#define VIA_RES_1680X1050_RB 124 +#define VIA_RES_1920X1080_RB 119 +#define VIA_RES_1920X1200_RB 138 + +#define VIA_RES_INVALID 255 + +/* standard VGA IO port +*/ +#define VIARMisc 0x3CC +#define VIAWMisc 0x3C2 +#define VIAStatus 0x3DA +#define VIACR 0x3D4 +#define VIASR 0x3C4 +#define VIAGR 0x3CE +#define VIAAR 0x3C0 + +#define StdCR 0x19 +#define StdSR 0x04 +#define StdGR 0x09 +#define StdAR 0x14 + +#define PatchCR 11 + +/* Display path */ +#define IGA1 1 +#define IGA2 2 +#define IGA1_IGA2 3 + +/* Define Color Depth */ +#define MODE_8BPP 1 +#define MODE_16BPP 2 +#define MODE_32BPP 4 + +#define GR20 0x20 +#define GR21 0x21 +#define GR22 0x22 + +/* Sequencer Registers */ +#define SR01 0x01 +#define SR10 0x10 +#define SR12 0x12 +#define SR15 0x15 +#define SR16 0x16 +#define SR17 0x17 +#define SR18 0x18 +#define SR1B 0x1B +#define SR1A 0x1A +#define SR1C 0x1C +#define SR1D 0x1D +#define SR1E 0x1E +#define SR1F 0x1F +#define SR20 0x20 +#define SR21 0x21 +#define SR22 0x22 +#define SR2A 0x2A +#define SR2D 0x2D +#define SR2E 0x2E + +#define SR30 0x30 +#define SR39 0x39 +#define SR3D 0x3D +#define SR3E 0x3E +#define SR3F 0x3F +#define SR40 0x40 +#define SR43 0x43 +#define SR44 0x44 +#define SR45 0x45 +#define SR46 0x46 +#define SR47 0x47 +#define SR48 0x48 +#define SR49 0x49 +#define SR4A 0x4A +#define SR4B 0x4B +#define SR4C 0x4C +#define SR52 0x52 +#define SR5E 0x5E +#define SR65 0x65 + +/* CRT Controller Registers */ +#define CR00 0x00 +#define CR01 0x01 +#define CR02 0x02 +#define CR03 0x03 +#define CR04 0x04 +#define CR05 0x05 +#define CR06 0x06 +#define CR07 0x07 +#define CR08 0x08 +#define CR09 0x09 +#define CR0A 0x0A +#define CR0B 0x0B +#define CR0C 0x0C +#define CR0D 0x0D +#define CR0E 0x0E +#define CR0F 0x0F +#define CR10 0x10 +#define CR11 0x11 +#define CR12 0x12 +#define CR13 0x13 +#define CR14 0x14 +#define CR15 0x15 +#define CR16 0x16 +#define CR17 0x17 +#define CR18 0x18 + +/* Extend CRT Controller Registers */ +#define CR30 0x30 +#define CR31 0x31 +#define CR32 0x32 +#define CR33 0x33 +#define CR34 0x34 +#define CR35 0x35 +#define CR36 0x36 +#define CR37 0x37 +#define CR38 0x38 +#define CR39 0x39 +#define CR3A 0x3A +#define CR3B 0x3B +#define CR3C 0x3C +#define CR3D 0x3D +#define CR3E 0x3E +#define CR3F 0x3F +#define CR40 0x40 +#define CR41 0x41 +#define CR42 0x42 +#define CR43 0x43 +#define CR44 0x44 +#define CR45 0x45 +#define CR46 0x46 +#define CR47 0x47 +#define CR48 0x48 +#define CR49 0x49 +#define CR4A 0x4A +#define CR4B 0x4B +#define CR4C 0x4C +#define CR4D 0x4D +#define CR4E 0x4E +#define CR4F 0x4F +#define CR50 0x50 +#define CR51 0x51 +#define CR52 0x52 +#define CR53 0x53 +#define CR54 0x54 +#define CR55 0x55 +#define CR56 0x56 +#define CR57 0x57 +#define CR58 0x58 +#define CR59 0x59 +#define CR5A 0x5A +#define CR5B 0x5B +#define CR5C 0x5C +#define CR5D 0x5D +#define CR5E 0x5E +#define CR5F 0x5F +#define CR60 0x60 +#define CR61 0x61 +#define CR62 0x62 +#define CR63 0x63 +#define CR64 0x64 +#define CR65 0x65 +#define CR66 0x66 +#define CR67 0x67 +#define CR68 0x68 +#define CR69 0x69 +#define CR6A 0x6A +#define CR6B 0x6B +#define CR6C 0x6C +#define CR6D 0x6D +#define CR6E 0x6E +#define CR6F 0x6F +#define CR70 0x70 +#define CR71 0x71 +#define CR72 0x72 +#define CR73 0x73 +#define CR74 0x74 +#define CR75 0x75 +#define CR76 0x76 +#define CR77 0x77 +#define CR78 0x78 +#define CR79 0x79 +#define CR7A 0x7A +#define CR7B 0x7B +#define CR7C 0x7C +#define CR7D 0x7D +#define CR7E 0x7E +#define CR7F 0x7F +#define CR80 0x80 +#define CR81 0x81 +#define CR82 0x82 +#define CR83 0x83 +#define CR84 0x84 +#define CR85 0x85 +#define CR86 0x86 +#define CR87 0x87 +#define CR88 0x88 +#define CR89 0x89 +#define CR8A 0x8A +#define CR8B 0x8B +#define CR8C 0x8C +#define CR8D 0x8D +#define CR8E 0x8E +#define CR8F 0x8F +#define CR90 0x90 +#define CR91 0x91 +#define CR92 0x92 +#define CR93 0x93 +#define CR94 0x94 +#define CR95 0x95 +#define CR96 0x96 +#define CR97 0x97 +#define CR98 0x98 +#define CR99 0x99 +#define CR9A 0x9A +#define CR9B 0x9B +#define CR9C 0x9C +#define CR9D 0x9D +#define CR9E 0x9E +#define CR9F 0x9F +#define CRA0 0xA0 +#define CRA1 0xA1 +#define CRA2 0xA2 +#define CRA3 0xA3 +#define CRD2 0xD2 +#define CRD3 0xD3 +#define CRD4 0xD4 + +/* LUT Table*/ +#define LUT_DATA 0x3C9 /* DACDATA */ +#define LUT_INDEX_READ 0x3C7 /* DACRX */ +#define LUT_INDEX_WRITE 0x3C8 /* DACWX */ +#define DACMASK 0x3C6 + +/* Definition Device */ +#define DEVICE_CRT 0x01 +#define DEVICE_DVI 0x03 +#define DEVICE_LCD 0x04 + +/* Device output interface */ +#define INTERFACE_NONE 0x00 +#define INTERFACE_ANALOG_RGB 0x01 +#define INTERFACE_DVP0 0x02 +#define INTERFACE_DVP1 0x03 +#define INTERFACE_DFP_HIGH 0x04 +#define INTERFACE_DFP_LOW 0x05 +#define INTERFACE_DFP 0x06 +#define INTERFACE_LVDS0 0x07 +#define INTERFACE_LVDS1 0x08 +#define INTERFACE_LVDS0LVDS1 0x09 +#define INTERFACE_TMDS 0x0A + +#define HW_LAYOUT_LCD_ONLY 0x01 +#define HW_LAYOUT_DVI_ONLY 0x02 +#define HW_LAYOUT_LCD_DVI 0x03 +#define HW_LAYOUT_LCD1_LCD2 0x04 +#define HW_LAYOUT_LCD_EXTERNAL_LCD2 0x10 + +/* Definition Refresh Rate */ +#define REFRESH_50 50 +#define REFRESH_60 60 +#define REFRESH_75 75 +#define REFRESH_85 85 +#define REFRESH_100 100 +#define REFRESH_120 120 + +/* Definition Sync Polarity*/ +#define NEGATIVE 1 +#define POSITIVE 0 + +/*480x640@60 Sync Polarity (GTF) +*/ +#define M480X640_R60_HSP NEGATIVE +#define M480X640_R60_VSP POSITIVE + +/*640x480@60 Sync Polarity (VESA Mode) +*/ +#define M640X480_R60_HSP NEGATIVE +#define M640X480_R60_VSP NEGATIVE + +/*640x480@75 Sync Polarity (VESA Mode) +*/ +#define M640X480_R75_HSP NEGATIVE +#define M640X480_R75_VSP NEGATIVE + +/*640x480@85 Sync Polarity (VESA Mode) +*/ +#define M640X480_R85_HSP NEGATIVE +#define M640X480_R85_VSP NEGATIVE + +/*640x480@100 Sync Polarity (GTF Mode) +*/ +#define M640X480_R100_HSP NEGATIVE +#define M640X480_R100_VSP POSITIVE + +/*640x480@120 Sync Polarity (GTF Mode) +*/ +#define M640X480_R120_HSP NEGATIVE +#define M640X480_R120_VSP POSITIVE + +/*720x480@60 Sync Polarity (GTF Mode) +*/ +#define M720X480_R60_HSP NEGATIVE +#define M720X480_R60_VSP POSITIVE + +/*720x576@60 Sync Polarity (GTF Mode) +*/ +#define M720X576_R60_HSP NEGATIVE +#define M720X576_R60_VSP POSITIVE + +/*800x600@60 Sync Polarity (VESA Mode) +*/ +#define M800X600_R60_HSP POSITIVE +#define M800X600_R60_VSP POSITIVE + +/*800x600@75 Sync Polarity (VESA Mode) +*/ +#define M800X600_R75_HSP POSITIVE +#define M800X600_R75_VSP POSITIVE + +/*800x600@85 Sync Polarity (VESA Mode) +*/ +#define M800X600_R85_HSP POSITIVE +#define M800X600_R85_VSP POSITIVE + +/*800x600@100 Sync Polarity (GTF Mode) +*/ +#define M800X600_R100_HSP NEGATIVE +#define M800X600_R100_VSP POSITIVE + +/*800x600@120 Sync Polarity (GTF Mode) +*/ +#define M800X600_R120_HSP NEGATIVE +#define M800X600_R120_VSP POSITIVE + +/*800x480@60 Sync Polarity (CVT Mode) +*/ +#define M800X480_R60_HSP NEGATIVE +#define M800X480_R60_VSP POSITIVE + +/*848x480@60 Sync Polarity (CVT Mode) +*/ +#define M848X480_R60_HSP NEGATIVE +#define M848X480_R60_VSP POSITIVE + +/*852x480@60 Sync Polarity (GTF Mode) +*/ +#define M852X480_R60_HSP NEGATIVE +#define M852X480_R60_VSP POSITIVE + +/*1024x512@60 Sync Polarity (GTF Mode) +*/ +#define M1024X512_R60_HSP NEGATIVE +#define M1024X512_R60_VSP POSITIVE + +/*1024x600@60 Sync Polarity (GTF Mode) +*/ +#define M1024X600_R60_HSP NEGATIVE +#define M1024X600_R60_VSP POSITIVE + +/*1024x768@60 Sync Polarity (VESA Mode) +*/ +#define M1024X768_R60_HSP NEGATIVE +#define M1024X768_R60_VSP NEGATIVE + +/*1024x768@75 Sync Polarity (VESA Mode) +*/ +#define M1024X768_R75_HSP POSITIVE +#define M1024X768_R75_VSP POSITIVE + +/*1024x768@85 Sync Polarity (VESA Mode) +*/ +#define M1024X768_R85_HSP POSITIVE +#define M1024X768_R85_VSP POSITIVE + +/*1024x768@100 Sync Polarity (GTF Mode) +*/ +#define M1024X768_R100_HSP NEGATIVE +#define M1024X768_R100_VSP POSITIVE + +/*1152x864@75 Sync Polarity (VESA Mode) +*/ +#define M1152X864_R75_HSP POSITIVE +#define M1152X864_R75_VSP POSITIVE + +/*1280x720@60 Sync Polarity (GTF Mode) +*/ +#define M1280X720_R60_HSP NEGATIVE +#define M1280X720_R60_VSP POSITIVE + +/* 1280x768@50 Sync Polarity (GTF Mode) */ +#define M1280X768_R50_HSP NEGATIVE +#define M1280X768_R50_VSP POSITIVE + +/*1280x768@60 Sync Polarity (GTF Mode) +*/ +#define M1280X768_R60_HSP NEGATIVE +#define M1280X768_R60_VSP POSITIVE + +/*1280x800@60 Sync Polarity (CVT Mode) +*/ +#define M1280X800_R60_HSP NEGATIVE +#define M1280X800_R60_VSP POSITIVE + +/*1280x960@60 Sync Polarity (VESA Mode) +*/ +#define M1280X960_R60_HSP POSITIVE +#define M1280X960_R60_VSP POSITIVE + +/*1280x1024@60 Sync Polarity (VESA Mode) +*/ +#define M1280X1024_R60_HSP POSITIVE +#define M1280X1024_R60_VSP POSITIVE + +/* 1360x768@60 Sync Polarity (CVT Mode) */ +#define M1360X768_R60_HSP POSITIVE +#define M1360X768_R60_VSP POSITIVE + +/* 1360x768@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1360X768_RB_R60_HSP POSITIVE +#define M1360X768_RB_R60_VSP NEGATIVE + +/* 1368x768@50 Sync Polarity (GTF Mode) */ +#define M1368X768_R50_HSP NEGATIVE +#define M1368X768_R50_VSP POSITIVE + +/* 1368x768@60 Sync Polarity (VESA Mode) */ +#define M1368X768_R60_HSP NEGATIVE +#define M1368X768_R60_VSP POSITIVE + +/*1280x1024@75 Sync Polarity (VESA Mode) +*/ +#define M1280X1024_R75_HSP POSITIVE +#define M1280X1024_R75_VSP POSITIVE + +/*1280x1024@85 Sync Polarity (VESA Mode) +*/ +#define M1280X1024_R85_HSP POSITIVE +#define M1280X1024_R85_VSP POSITIVE + +/*1440x1050@60 Sync Polarity (GTF Mode) +*/ +#define M1440X1050_R60_HSP NEGATIVE +#define M1440X1050_R60_VSP POSITIVE + +/*1600x1200@60 Sync Polarity (VESA Mode) +*/ +#define M1600X1200_R60_HSP POSITIVE +#define M1600X1200_R60_VSP POSITIVE + +/*1600x1200@75 Sync Polarity (VESA Mode) +*/ +#define M1600X1200_R75_HSP POSITIVE +#define M1600X1200_R75_VSP POSITIVE + +/* 1680x1050@60 Sync Polarity (CVT Mode) */ +#define M1680x1050_R60_HSP NEGATIVE +#define M1680x1050_R60_VSP NEGATIVE + +/* 1680x1050@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1680x1050_RB_R60_HSP POSITIVE +#define M1680x1050_RB_R60_VSP NEGATIVE + +/* 1680x1050@75 Sync Polarity (CVT Mode) */ +#define M1680x1050_R75_HSP NEGATIVE +#define M1680x1050_R75_VSP POSITIVE + +/*1920x1080@60 Sync Polarity (CVT Mode) +*/ +#define M1920X1080_R60_HSP NEGATIVE +#define M1920X1080_R60_VSP POSITIVE + +/* 1920x1080@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1920X1080_RB_R60_HSP POSITIVE +#define M1920X1080_RB_R60_VSP NEGATIVE + +/*1920x1440@60 Sync Polarity (VESA Mode) +*/ +#define M1920X1440_R60_HSP NEGATIVE +#define M1920X1440_R60_VSP POSITIVE + +/*1920x1440@75 Sync Polarity (VESA Mode) +*/ +#define M1920X1440_R75_HSP NEGATIVE +#define M1920X1440_R75_VSP POSITIVE + +#if 0 +/* 1400x1050@60 Sync Polarity (VESA Mode) */ +#define M1400X1050_R60_HSP NEGATIVE +#define M1400X1050_R60_VSP NEGATIVE +#endif + +/* 1400x1050@60 Sync Polarity (CVT Mode) */ +#define M1400X1050_R60_HSP NEGATIVE +#define M1400X1050_R60_VSP POSITIVE + +/* 1400x1050@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1400X1050_RB_R60_HSP POSITIVE +#define M1400X1050_RB_R60_VSP NEGATIVE + +/* 1400x1050@75 Sync Polarity (CVT Mode) */ +#define M1400X1050_R75_HSP NEGATIVE +#define M1400X1050_R75_VSP POSITIVE + +/* 960x600@60 Sync Polarity (CVT Mode) */ +#define M960X600_R60_HSP NEGATIVE +#define M960X600_R60_VSP POSITIVE + +/* 1000x600@60 Sync Polarity (GTF Mode) */ +#define M1000X600_R60_HSP NEGATIVE +#define M1000X600_R60_VSP POSITIVE + +/* 1024x576@60 Sync Polarity (GTF Mode) */ +#define M1024X576_R60_HSP NEGATIVE +#define M1024X576_R60_VSP POSITIVE + +/*1024x600@60 Sync Polarity (GTF Mode)*/ +#define M1024X600_R60_HSP NEGATIVE +#define M1024X600_R60_VSP POSITIVE + +/* 1088x612@60 Sync Polarity (CVT Mode) */ +#define M1088X612_R60_HSP NEGATIVE +#define M1088X612_R60_VSP POSITIVE + +/* 1152x720@60 Sync Polarity (CVT Mode) */ +#define M1152X720_R60_HSP NEGATIVE +#define M1152X720_R60_VSP POSITIVE + +/* 1200x720@60 Sync Polarity (GTF Mode) */ +#define M1200X720_R60_HSP NEGATIVE +#define M1200X720_R60_VSP POSITIVE + +/* 1280x600@60 Sync Polarity (GTF Mode) */ +#define M1280x600_R60_HSP NEGATIVE +#define M1280x600_R60_VSP POSITIVE + +/* 1280x720@50 Sync Polarity (GTF Mode) */ +#define M1280X720_R50_HSP NEGATIVE +#define M1280X720_R50_VSP POSITIVE + +/* 1280x720@60 Sync Polarity (CEA Mode) */ +#define M1280X720_CEA_R60_HSP POSITIVE +#define M1280X720_CEA_R60_VSP POSITIVE + +/* 1440x900@60 Sync Polarity (CVT Mode) */ +#define M1440X900_R60_HSP NEGATIVE +#define M1440X900_R60_VSP POSITIVE + +/* 1440x900@75 Sync Polarity (CVT Mode) */ +#define M1440X900_R75_HSP NEGATIVE +#define M1440X900_R75_VSP POSITIVE + +/* 1440x900@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1440X900_RB_R60_HSP POSITIVE +#define M1440X900_RB_R60_VSP NEGATIVE + +/* 1600x900@60 Sync Polarity (CVT Mode) */ +#define M1600X900_R60_HSP NEGATIVE +#define M1600X900_R60_VSP POSITIVE + +/* 1600x900@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1600X900_RB_R60_HSP POSITIVE +#define M1600X900_RB_R60_VSP NEGATIVE + +/* 1600x1024@60 Sync Polarity (GTF Mode) */ +#define M1600X1024_R60_HSP NEGATIVE +#define M1600X1024_R60_VSP POSITIVE + +/* 1792x1344@60 Sync Polarity (DMT Mode) */ +#define M1792x1344_R60_HSP NEGATIVE +#define M1792x1344_R60_VSP POSITIVE + +/* 1856x1392@60 Sync Polarity (DMT Mode) */ +#define M1856x1392_R60_HSP NEGATIVE +#define M1856x1392_R60_VSP POSITIVE + +/* 1920x1200@60 Sync Polarity (CVT Mode) */ +#define M1920X1200_R60_HSP NEGATIVE +#define M1920X1200_R60_VSP POSITIVE + +/* 1920x1200@60 Sync Polarity (CVT Reduce Blanking Mode) */ +#define M1920X1200_RB_R60_HSP POSITIVE +#define M1920X1200_RB_R60_VSP NEGATIVE + +/* 1920x1080@60 Sync Polarity (CEA Mode) */ +#define M1920X1080_CEA_R60_HSP POSITIVE +#define M1920X1080_CEA_R60_VSP POSITIVE + +/* 2048x1536@60 Sync Polarity (CVT Mode) */ +#define M2048x1536_R60_HSP NEGATIVE +#define M2048x1536_R60_VSP POSITIVE + +/* define PLL index: */ +#define CLK_25_175M 25175000 +#define CLK_26_880M 26880000 +#define CLK_29_581M 29581000 +#define CLK_31_490M 31490000 +#define CLK_31_500M 31500000 +#define CLK_31_728M 31728000 +#define CLK_32_668M 32688000 +#define CLK_36_000M 36000000 +#define CLK_40_000M 40000000 +#define CLK_41_291M 41291000 +#define CLK_43_163M 43163000 +#define CLK_45_250M 45250000 /* 45.46MHz */ +#define CLK_46_000M 46000000 +#define CLK_46_996M 46996000 +#define CLK_48_000M 48000000 +#define CLK_48_875M 48875000 +#define CLK_49_500M 49500000 +#define CLK_52_406M 52406000 +#define CLK_52_977M 52977000 +#define CLK_56_250M 56250000 +#define CLK_60_466M 60466000 +#define CLK_61_500M 61500000 +#define CLK_65_000M 65000000 +#define CLK_65_178M 65178000 +#define CLK_66_750M 66750000 /* 67.116MHz */ +#define CLK_68_179M 68179000 +#define CLK_69_924M 69924000 +#define CLK_70_159M 70159000 +#define CLK_72_000M 72000000 +#define CLK_74_270M 74270000 +#define CLK_78_750M 78750000 +#define CLK_80_136M 80136000 +#define CLK_83_375M 83375000 +#define CLK_83_950M 83950000 +#define CLK_84_750M 84750000 /* 84.537Mhz */ +#define CLK_85_860M 85860000 +#define CLK_88_750M 88750000 +#define CLK_94_500M 94500000 +#define CLK_97_750M 97750000 +#define CLK_101_000M 101000000 +#define CLK_106_500M 106500000 +#define CLK_108_000M 108000000 +#define CLK_113_309M 113309000 +#define CLK_118_840M 118840000 +#define CLK_119_000M 119000000 +#define CLK_121_750M 121750000 /* 121.704MHz */ +#define CLK_125_104M 125104000 +#define CLK_133_308M 133308000 +#define CLK_135_000M 135000000 +#define CLK_136_700M 136700000 +#define CLK_138_400M 138400000 +#define CLK_146_760M 146760000 +#define CLK_148_500M 148500000 + +#define CLK_153_920M 153920000 +#define CLK_156_000M 156000000 +#define CLK_157_500M 157500000 +#define CLK_162_000M 162000000 +#define CLK_187_000M 187000000 +#define CLK_193_295M 193295000 +#define CLK_202_500M 202500000 +#define CLK_204_000M 204000000 +#define CLK_218_500M 218500000 +#define CLK_234_000M 234000000 +#define CLK_267_250M 267250000 +#define CLK_297_500M 297500000 +#define CLK_74_481M 74481000 +#define CLK_172_798M 172798000 +#define CLK_122_614M 122614000 + +/* CLE266 PLL value +*/ +#define CLE266_PLL_25_175M 0x0000C763 +#define CLE266_PLL_26_880M 0x0000440F +#define CLE266_PLL_29_581M 0x00008421 +#define CLE266_PLL_31_490M 0x00004721 +#define CLE266_PLL_31_500M 0x0000C3B5 +#define CLE266_PLL_31_728M 0x0000471F +#define CLE266_PLL_32_668M 0x0000C449 +#define CLE266_PLL_36_000M 0x0000C5E5 +#define CLE266_PLL_40_000M 0x0000C459 +#define CLE266_PLL_41_291M 0x00004417 +#define CLE266_PLL_43_163M 0x0000C579 +#define CLE266_PLL_45_250M 0x0000C57F /* 45.46MHz */ +#define CLE266_PLL_46_000M 0x0000875A +#define CLE266_PLL_46_996M 0x0000C4E9 +#define CLE266_PLL_48_000M 0x00001443 +#define CLE266_PLL_48_875M 0x00001D63 +#define CLE266_PLL_49_500M 0x00008653 +#define CLE266_PLL_52_406M 0x0000C475 +#define CLE266_PLL_52_977M 0x00004525 +#define CLE266_PLL_56_250M 0x000047B7 +#define CLE266_PLL_60_466M 0x0000494C +#define CLE266_PLL_61_500M 0x00001456 +#define CLE266_PLL_65_000M 0x000086ED +#define CLE266_PLL_65_178M 0x0000855B +#define CLE266_PLL_66_750M 0x0000844B /* 67.116MHz */ +#define CLE266_PLL_68_179M 0x00000413 +#define CLE266_PLL_69_924M 0x00001153 +#define CLE266_PLL_70_159M 0x00001462 +#define CLE266_PLL_72_000M 0x00001879 +#define CLE266_PLL_74_270M 0x00004853 +#define CLE266_PLL_78_750M 0x00004321 +#define CLE266_PLL_80_136M 0x0000051C +#define CLE266_PLL_83_375M 0x0000C25D +#define CLE266_PLL_83_950M 0x00000729 +#define CLE266_PLL_84_750M 0x00008576 /* 84.537MHz */ +#define CLE266_PLL_85_860M 0x00004754 +#define CLE266_PLL_88_750M 0x0000051F +#define CLE266_PLL_94_500M 0x00000521 +#define CLE266_PLL_97_750M 0x00004652 +#define CLE266_PLL_101_000M 0x0000497F +#define CLE266_PLL_106_500M 0x00008477 /* 106.491463 MHz */ +#define CLE266_PLL_108_000M 0x00008479 +#define CLE266_PLL_113_309M 0x00000C5F +#define CLE266_PLL_118_840M 0x00004553 +#define CLE266_PLL_119_000M 0x00000D6C +#define CLE266_PLL_121_750M 0x00004555 /* 121.704MHz */ +#define CLE266_PLL_125_104M 0x000006B5 +#define CLE266_PLL_133_308M 0x0000465F +#define CLE266_PLL_135_000M 0x0000455E +#define CLE266_PLL_136_700M 0x00000C73 +#define CLE266_PLL_138_400M 0x00000957 +#define CLE266_PLL_146_760M 0x00004567 +#define CLE266_PLL_148_500M 0x00000853 +#define CLE266_PLL_153_920M 0x00000856 +#define CLE266_PLL_156_000M 0x0000456D +#define CLE266_PLL_157_500M 0x000005B7 +#define CLE266_PLL_162_000M 0x00004571 +#define CLE266_PLL_187_000M 0x00000976 +#define CLE266_PLL_193_295M 0x0000086C +#define CLE266_PLL_202_500M 0x00000763 +#define CLE266_PLL_204_000M 0x00000764 +#define CLE266_PLL_218_500M 0x0000065C +#define CLE266_PLL_234_000M 0x00000662 +#define CLE266_PLL_267_250M 0x00000670 +#define CLE266_PLL_297_500M 0x000005E6 +#define CLE266_PLL_74_481M 0x0000051A +#define CLE266_PLL_172_798M 0x00004579 +#define CLE266_PLL_122_614M 0x0000073C + +/* K800 PLL value +*/ +#define K800_PLL_25_175M 0x00539001 +#define K800_PLL_26_880M 0x001C8C80 +#define K800_PLL_29_581M 0x00409080 +#define K800_PLL_31_490M 0x006F9001 +#define K800_PLL_31_500M 0x008B9002 +#define K800_PLL_31_728M 0x00AF9003 +#define K800_PLL_32_668M 0x00909002 +#define K800_PLL_36_000M 0x009F9002 +#define K800_PLL_40_000M 0x00578C02 +#define K800_PLL_41_291M 0x00438C01 +#define K800_PLL_43_163M 0x00778C03 +#define K800_PLL_45_250M 0x007D8C83 /* 45.46MHz */ +#define K800_PLL_46_000M 0x00658C02 +#define K800_PLL_46_996M 0x00818C83 +#define K800_PLL_48_000M 0x00848C83 +#define K800_PLL_48_875M 0x00508C81 +#define K800_PLL_49_500M 0x00518C01 +#define K800_PLL_52_406M 0x00738C02 +#define K800_PLL_52_977M 0x00928C83 +#define K800_PLL_56_250M 0x007C8C02 +#define K800_PLL_60_466M 0x00A78C83 +#define K800_PLL_61_500M 0x00AA8C83 +#define K800_PLL_65_000M 0x006B8C01 +#define K800_PLL_65_178M 0x00B48C83 +#define K800_PLL_66_750M 0x00948C82 /* 67.116MHz */ +#define K800_PLL_68_179M 0x00708C01 +#define K800_PLL_69_924M 0x00C18C83 +#define K800_PLL_70_159M 0x00C28C83 +#define K800_PLL_72_000M 0x009F8C82 +#define K800_PLL_74_270M 0x00ce0c03 +#define K800_PLL_78_750M 0x00408801 +#define K800_PLL_80_136M 0x00428801 +#define K800_PLL_83_375M 0x005B0882 +#define K800_PLL_83_950M 0x00738803 +#define K800_PLL_84_750M 0x00748883 /* 84.477MHz */ +#define K800_PLL_85_860M 0x00768883 +#define K800_PLL_88_750M 0x007A8883 +#define K800_PLL_94_500M 0x00828803 +#define K800_PLL_97_750M 0x00878883 +#define K800_PLL_101_000M 0x008B8883 +#define K800_PLL_106_500M 0x00758882 /* 106.491463 MHz */ +#define K800_PLL_108_000M 0x00778882 +#define K800_PLL_113_309M 0x005D8881 +#define K800_PLL_118_840M 0x00A48883 +#define K800_PLL_119_000M 0x00838882 +#define K800_PLL_121_750M 0x00A88883 /* 121.704MHz */ +#define K800_PLL_125_104M 0x00688801 +#define K800_PLL_133_308M 0x005D8801 +#define K800_PLL_135_000M 0x001A4081 +#define K800_PLL_136_700M 0x00BD8883 +#define K800_PLL_138_400M 0x00728881 +#define K800_PLL_146_760M 0x00CC8883 +#define K800_PLL_148_500M 0x00ce0803 +#define K800_PLL_153_920M 0x00548482 +#define K800_PLL_156_000M 0x006B8483 +#define K800_PLL_157_500M 0x00142080 +#define K800_PLL_162_000M 0x006F8483 +#define K800_PLL_187_000M 0x00818483 +#define K800_PLL_193_295M 0x004F8481 +#define K800_PLL_202_500M 0x00538481 +#define K800_PLL_204_000M 0x008D8483 +#define K800_PLL_218_500M 0x00978483 +#define K800_PLL_234_000M 0x00608401 +#define K800_PLL_267_250M 0x006E8481 +#define K800_PLL_297_500M 0x00A48402 +#define K800_PLL_74_481M 0x007B8C81 +#define K800_PLL_172_798M 0x00778483 +#define K800_PLL_122_614M 0x00878882 + +/* PLL for VT3324 */ +#define CX700_25_175M 0x008B1003 +#define CX700_26_719M 0x00931003 +#define CX700_26_880M 0x00941003 +#define CX700_29_581M 0x00A49003 +#define CX700_31_490M 0x00AE1003 +#define CX700_31_500M 0x00AE1003 +#define CX700_31_728M 0x00AF1003 +#define CX700_32_668M 0x00B51003 +#define CX700_36_000M 0x00C81003 +#define CX700_40_000M 0x006E0C03 +#define CX700_41_291M 0x00710C03 +#define CX700_43_163M 0x00770C03 +#define CX700_45_250M 0x007D0C03 /* 45.46MHz */ +#define CX700_46_000M 0x007F0C03 +#define CX700_46_996M 0x00818C83 +#define CX700_48_000M 0x00840C03 +#define CX700_48_875M 0x00508C81 +#define CX700_49_500M 0x00880C03 +#define CX700_52_406M 0x00730C02 +#define CX700_52_977M 0x00920C03 +#define CX700_56_250M 0x009B0C03 +#define CX700_60_466M 0x00460C00 +#define CX700_61_500M 0x00AA0C03 +#define CX700_65_000M 0x006B0C01 +#define CX700_65_178M 0x006B0C01 +#define CX700_66_750M 0x00940C02 /*67.116MHz */ +#define CX700_68_179M 0x00BC0C03 +#define CX700_69_924M 0x00C10C03 +#define CX700_70_159M 0x00C20C03 +#define CX700_72_000M 0x009F0C02 +#define CX700_74_270M 0x00CE0C03 +#define CX700_74_481M 0x00CE0C03 +#define CX700_78_750M 0x006C0803 +#define CX700_80_136M 0x006E0803 +#define CX700_83_375M 0x005B0882 +#define CX700_83_950M 0x00730803 +#define CX700_84_750M 0x00740803 /* 84.537Mhz */ +#define CX700_85_860M 0x00760803 +#define CX700_88_750M 0x00AC8885 +#define CX700_94_500M 0x00820803 +#define CX700_97_750M 0x00870803 +#define CX700_101_000M 0x008B0803 +#define CX700_106_500M 0x00750802 +#define CX700_108_000M 0x00950803 +#define CX700_113_309M 0x005D0801 +#define CX700_118_840M 0x00A40803 +#define CX700_119_000M 0x00830802 +#define CX700_121_750M 0x00420800 /* 121.704MHz */ +#define CX700_125_104M 0x00AD0803 +#define CX700_133_308M 0x00930802 +#define CX700_135_000M 0x00950802 +#define CX700_136_700M 0x00BD0803 +#define CX700_138_400M 0x00720801 +#define CX700_146_760M 0x00CC0803 +#define CX700_148_500M 0x00a40802 +#define CX700_153_920M 0x00540402 +#define CX700_156_000M 0x006B0403 +#define CX700_157_500M 0x006C0403 +#define CX700_162_000M 0x006F0403 +#define CX700_172_798M 0x00770403 +#define CX700_187_000M 0x00810403 +#define CX700_193_295M 0x00850403 +#define CX700_202_500M 0x008C0403 +#define CX700_204_000M 0x008D0403 +#define CX700_218_500M 0x00970403 +#define CX700_234_000M 0x00600401 +#define CX700_267_250M 0x00B90403 +#define CX700_297_500M 0x00CE0403 +#define CX700_122_614M 0x00870802 + +/* Definition CRTC Timing Index */ +#define H_TOTAL_INDEX 0 +#define H_ADDR_INDEX 1 +#define H_BLANK_START_INDEX 2 +#define H_BLANK_END_INDEX 3 +#define H_SYNC_START_INDEX 4 +#define H_SYNC_END_INDEX 5 +#define V_TOTAL_INDEX 6 +#define V_ADDR_INDEX 7 +#define V_BLANK_START_INDEX 8 +#define V_BLANK_END_INDEX 9 +#define V_SYNC_START_INDEX 10 +#define V_SYNC_END_INDEX 11 +#define H_TOTAL_SHADOW_INDEX 12 +#define H_BLANK_END_SHADOW_INDEX 13 +#define V_TOTAL_SHADOW_INDEX 14 +#define V_ADDR_SHADOW_INDEX 15 +#define V_BLANK_SATRT_SHADOW_INDEX 16 +#define V_BLANK_END_SHADOW_INDEX 17 +#define V_SYNC_SATRT_SHADOW_INDEX 18 +#define V_SYNC_END_SHADOW_INDEX 19 + +/* Definition Video Mode Pixel Clock (picoseconds) +*/ +#define RES_480X640_60HZ_PIXCLOCK 39722 +#define RES_640X480_60HZ_PIXCLOCK 39722 +#define RES_640X480_75HZ_PIXCLOCK 31747 +#define RES_640X480_85HZ_PIXCLOCK 27777 +#define RES_640X480_100HZ_PIXCLOCK 23168 +#define RES_640X480_120HZ_PIXCLOCK 19081 +#define RES_720X480_60HZ_PIXCLOCK 37020 +#define RES_720X576_60HZ_PIXCLOCK 30611 +#define RES_800X600_60HZ_PIXCLOCK 25000 +#define RES_800X600_75HZ_PIXCLOCK 20203 +#define RES_800X600_85HZ_PIXCLOCK 17777 +#define RES_800X600_100HZ_PIXCLOCK 14667 +#define RES_800X600_120HZ_PIXCLOCK 11912 +#define RES_800X480_60HZ_PIXCLOCK 33805 +#define RES_848X480_60HZ_PIXCLOCK 31756 +#define RES_856X480_60HZ_PIXCLOCK 31518 +#define RES_1024X512_60HZ_PIXCLOCK 24218 +#define RES_1024X600_60HZ_PIXCLOCK 20460 +#define RES_1024X768_60HZ_PIXCLOCK 15385 +#define RES_1024X768_75HZ_PIXCLOCK 12699 +#define RES_1024X768_85HZ_PIXCLOCK 10582 +#define RES_1024X768_100HZ_PIXCLOCK 8825 +#define RES_1152X864_75HZ_PIXCLOCK 9259 +#define RES_1280X768_60HZ_PIXCLOCK 12480 +#define RES_1280X800_60HZ_PIXCLOCK 11994 +#define RES_1280X960_60HZ_PIXCLOCK 9259 +#define RES_1280X1024_60HZ_PIXCLOCK 9260 +#define RES_1280X1024_75HZ_PIXCLOCK 7408 +#define RES_1280X768_85HZ_PIXCLOCK 6349 +#define RES_1440X1050_60HZ_PIXCLOCK 7993 +#define RES_1600X1200_60HZ_PIXCLOCK 6172 +#define RES_1600X1200_75HZ_PIXCLOCK 4938 +#define RES_1280X720_60HZ_PIXCLOCK 13426 +#define RES_1920X1080_60HZ_PIXCLOCK 5787 +#define RES_1400X1050_60HZ_PIXCLOCK 8214 +#define RES_1400X1050_75HZ_PIXCLOCK 6410 +#define RES_1368X768_60HZ_PIXCLOCK 11647 +#define RES_960X600_60HZ_PIXCLOCK 22099 +#define RES_1000X600_60HZ_PIXCLOCK 20834 +#define RES_1024X576_60HZ_PIXCLOCK 21278 +#define RES_1088X612_60HZ_PIXCLOCK 18877 +#define RES_1152X720_60HZ_PIXCLOCK 14981 +#define RES_1200X720_60HZ_PIXCLOCK 14253 +#define RES_1280X600_60HZ_PIXCLOCK 16260 +#define RES_1280X720_50HZ_PIXCLOCK 16538 +#define RES_1280X768_50HZ_PIXCLOCK 15342 +#define RES_1366X768_50HZ_PIXCLOCK 14301 +#define RES_1366X768_60HZ_PIXCLOCK 11646 +#define RES_1360X768_60HZ_PIXCLOCK 11799 +#define RES_1440X900_60HZ_PIXCLOCK 9390 +#define RES_1440X900_75HZ_PIXCLOCK 7315 +#define RES_1600X900_60HZ_PIXCLOCK 8415 +#define RES_1600X1024_60HZ_PIXCLOCK 7315 +#define RES_1680X1050_60HZ_PIXCLOCK 6814 +#define RES_1680X1050_75HZ_PIXCLOCK 5348 +#define RES_1792X1344_60HZ_PIXCLOCK 4902 +#define RES_1856X1392_60HZ_PIXCLOCK 4577 +#define RES_1920X1200_60HZ_PIXCLOCK 5173 +#define RES_1920X1440_60HZ_PIXCLOCK 4274 +#define RES_1920X1440_75HZ_PIXCLOCK 3367 +#define RES_2048X1536_60HZ_PIXCLOCK 3742 + +#define RES_1360X768_RB_60HZ_PIXCLOCK 13889 +#define RES_1400X1050_RB_60HZ_PIXCLOCK 9901 +#define RES_1440X900_RB_60HZ_PIXCLOCK 11268 +#define RES_1600X900_RB_60HZ_PIXCLOCK 10230 +#define RES_1680X1050_RB_60HZ_PIXCLOCK 8403 +#define RES_1920X1080_RB_60HZ_PIXCLOCK 7225 +#define RES_1920X1200_RB_60HZ_PIXCLOCK 6497 + +/* LCD display method +*/ +#define LCD_EXPANDSION 0x00 +#define LCD_CENTERING 0x01 + +/* LCD mode +*/ +#define LCD_OPENLDI 0x00 +#define LCD_SPWG 0x01 + +/* Define display timing +*/ +struct display_timing { + u16 hor_total; + u16 hor_addr; + u16 hor_blank_start; + u16 hor_blank_end; + u16 hor_sync_start; + u16 hor_sync_end; + u16 ver_total; + u16 ver_addr; + u16 ver_blank_start; + u16 ver_blank_end; + u16 ver_sync_start; + u16 ver_sync_end; +}; + +struct crt_mode_table { + int refresh_rate; + unsigned long clk; + int h_sync_polarity; + int v_sync_polarity; + struct display_timing crtc; +}; + +struct io_reg { + int port; + u8 index; + u8 mask; + u8 value; +}; + +#endif /* __SHARE_H__ */ -- GitLab From d42823ef6a3ebd388b193c5533efd7e7a00b7aa8 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:27 -0700 Subject: [PATCH 5454/6244] viafb: tbl1636.c, tbl1636.h, tblDPASetting.c, tblDPASetting.h tbl1636.c, tbl1636.h: patch setting for VT1636. tblDPASetting.c, tblDPASetting.h: patch for graphic clock skew. Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/tbl1636.c | 71 +++++++++++++++++++ drivers/video/via/tbl1636.h | 34 ++++++++++ drivers/video/via/tblDPASetting.c | 109 ++++++++++++++++++++++++++++++ drivers/video/via/tblDPASetting.h | 47 +++++++++++++ 4 files changed, 261 insertions(+) create mode 100644 drivers/video/via/tbl1636.c create mode 100644 drivers/video/via/tbl1636.h create mode 100644 drivers/video/via/tblDPASetting.c create mode 100644 drivers/video/via/tblDPASetting.h diff --git a/drivers/video/via/tbl1636.c b/drivers/video/via/tbl1636.c new file mode 100644 index 000000000000..2d8453429d4a --- /dev/null +++ b/drivers/video/via/tbl1636.c @@ -0,0 +1,71 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" +struct IODATA COMMON_INIT_TBL_VT1636[] = { +/* Index, Mask, Value */ + /* Set panel power sequence timing */ + {0x10, 0xC0, 0x00}, + /* T1: VDD on - Data on. Each increment is 1 ms. (50ms = 031h) */ + {0x0B, 0xFF, 0x40}, + /* T2: Data on - Backlight on. Each increment is 2 ms. (210ms = 068h) */ + {0x0C, 0xFF, 0x31}, + /* T3: Backlight off -Data off. Each increment is 2 ms. (210ms = 068h)*/ + {0x0D, 0xFF, 0x31}, + /* T4: Data off - VDD off. Each increment is 1 ms. (50ms = 031h) */ + {0x0E, 0xFF, 0x68}, + /* T5: VDD off - VDD on. Each increment is 100 ms. (500ms = 04h) */ + {0x0F, 0xFF, 0x68}, + /* LVDS output power up */ + {0x09, 0xA0, 0xA0}, + /* turn on back light */ + {0x10, 0x33, 0x13} +}; + +struct IODATA DUAL_CHANNEL_ENABLE_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x08, 0xF0, 0xE0} /* Input Data Mode Select */ +}; + +struct IODATA SINGLE_CHANNEL_ENABLE_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x08, 0xF0, 0x00} /* Input Data Mode Select */ +}; + +struct IODATA DITHERING_ENABLE_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x0A, 0x70, 0x50} +}; + +struct IODATA DITHERING_DISABLE_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x0A, 0x70, 0x00} +}; + +struct IODATA VDD_ON_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x10, 0x20, 0x20} +}; + +struct IODATA VDD_OFF_TBL_VT1636[] = { +/* Index, Mask, Value */ + {0x10, 0x20, 0x00} +}; diff --git a/drivers/video/via/tbl1636.h b/drivers/video/via/tbl1636.h new file mode 100644 index 000000000000..d906055f1511 --- /dev/null +++ b/drivers/video/via/tbl1636.h @@ -0,0 +1,34 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _TBL1636_H_ +#define _TBL1636_H_ +#include "hw.h" + +extern struct IODATA COMMON_INIT_TBL_VT1636[8]; +extern struct IODATA DUAL_CHANNEL_ENABLE_TBL_VT1636[1]; +extern struct IODATA SINGLE_CHANNEL_ENABLE_TBL_VT1636[1]; +extern struct IODATA DITHERING_ENABLE_TBL_VT1636[1]; +extern struct IODATA DITHERING_DISABLE_TBL_VT1636[1]; +extern struct IODATA VDD_ON_TBL_VT1636[1]; +extern struct IODATA VDD_OFF_TBL_VT1636[1]; + +#endif /* _VIA_TBL1636_H_ */ diff --git a/drivers/video/via/tblDPASetting.c b/drivers/video/via/tblDPASetting.c new file mode 100644 index 000000000000..0c4c8cc712f4 --- /dev/null +++ b/drivers/video/via/tblDPASetting.c @@ -0,0 +1,109 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" +/* For VT3324: */ +struct VT1636_DPA_SETTING VT1636_DPA_SETTING_TBL_VT3324[] = { + /* Panel ID, CLK_SEL_ST1[09], CLK_SEL_ST2[08] */ + {LCD_PANEL_ID0_640X480, 0x00, 0x00}, /* For 640x480 */ + {LCD_PANEL_ID1_800X600, 0x00, 0x00}, /* For 800x600 */ + {LCD_PANEL_ID2_1024X768, 0x00, 0x00}, /* For 1024x768 */ + {LCD_PANEL_ID3_1280X768, 0x00, 0x00}, /* For 1280x768 */ + {LCD_PANEL_ID4_1280X1024, 0x00, 0x00}, /* For 1280x1024 */ + {LCD_PANEL_ID5_1400X1050, 0x00, 0x00}, /* For 1400x1050 */ + {LCD_PANEL_ID6_1600X1200, 0x0B, 0x03} /* For 1600x1200 */ +}; + +struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3324[] = { +/* ClkRange, DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, + DVP1Driving, DFPHigh, DFPLow */ +/* CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], CR9B, + SR65, CR97, CR99 */ + /* LCK/VCK < 30000000 will use this value */ + {DPA_CLK_RANGE_30M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, + 0x00}, + /* 30000000 < LCK/VCK < 50000000 will use this value */ + {DPA_CLK_RANGE_30_50M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, + 0x00}, + /* 50000000 < LCK/VCK < 70000000 will use this value */ + {DPA_CLK_RANGE_50_70M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, + 0x00}, + /* 70000000 < LCK/VCK < 100000000 will use this value */ + {DPA_CLK_RANGE_70_100M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, + 0x00}, + /* 100000000 < LCK/VCK < 15000000 will use this value */ + {DPA_CLK_RANGE_100_150M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, + 0x00}, + /* 15000000 < LCK/VCK will use this value */ + {DPA_CLK_RANGE_150M, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x0E, 0x00, + 0x00}, +}; + +/* For VT3327: */ +struct VT1636_DPA_SETTING VT1636_DPA_SETTING_TBL_VT3327[] = { + /* Panel ID, CLK_SEL_ST1[09], CLK_SEL_ST2[08] */ + {LCD_PANEL_ID0_640X480, 0x00, 0x00}, /* For 640x480 */ + {LCD_PANEL_ID1_800X600, 0x00, 0x00}, /* For 800x600 */ + {LCD_PANEL_ID2_1024X768, 0x00, 0x00}, /* For 1024x768 */ + {LCD_PANEL_ID3_1280X768, 0x00, 0x00}, /* For 1280x768 */ + {LCD_PANEL_ID4_1280X1024, 0x00, 0x00}, /* For 1280x1024 */ + {LCD_PANEL_ID5_1400X1050, 0x00, 0x00}, /* For 1400x1050 */ + {LCD_PANEL_ID6_1600X1200, 0x00, 0x00} /* For 1600x1200 */ +}; + +struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3327[] = { +/* ClkRange,DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, + DVP1Driving, DFPHigh, DFPLow */ +/* CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], CR9B, + SR65, CR97, CR99 */ +/* LCK/VCK < 30000000 will use this value */ +{DPA_CLK_RANGE_30M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x08, 0x01}, +/* 30000000 < LCK/VCK < 50000000 will use this value */ +{DPA_CLK_RANGE_30_50M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x08, 0x01}, +/* 50000000 < LCK/VCK < 70000000 will use this value */ +{DPA_CLK_RANGE_50_70M, 0x06, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x08, 0x01}, +/* 70000000 < LCK/VCK < 100000000 will use this value */ +{DPA_CLK_RANGE_70_100M, 0x03, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x08, 0x03}, +/* 100000000 < LCK/VCK < 15000000 will use this value */ +{DPA_CLK_RANGE_100_150M, 0x03, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x02}, +/* 15000000 < LCK/VCK will use this value */ +{DPA_CLK_RANGE_150M, 0x00, 0x20, 0x00, 0x10, 0x00, 0x03, 0x00, 0x0D, 0x03}, +}; + +/* For VT3364: */ +struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3364[] = { +/* ClkRange,DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, + DVP1Driving, DFPHigh, DFPLow */ +/* CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], CR9B, + SR65, CR97, CR99 */ +/* LCK/VCK < 30000000 will use this value */ +{DPA_CLK_RANGE_30M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x08}, +/* 30000000 < LCK/VCK < 50000000 will use this value */ +{DPA_CLK_RANGE_30_50M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x08}, +/* 50000000 < LCK/VCK < 70000000 will use this value */ +{DPA_CLK_RANGE_50_70M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x08}, +/* 70000000 < LCK/VCK < 100000000 will use this value */ +{DPA_CLK_RANGE_70_100M, 0x07, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x08}, +/* 100000000 < LCK/VCK < 15000000 will use this value */ +{DPA_CLK_RANGE_100_150M, 0x03, 0x00, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x08}, +/* 15000000 < LCK/VCK will use this value */ +{DPA_CLK_RANGE_150M, 0x01, 0x00, 0x02, 0x10, 0x00, 0x03, 0x00, 0x00, 0x08}, +}; diff --git a/drivers/video/via/tblDPASetting.h b/drivers/video/via/tblDPASetting.h new file mode 100644 index 000000000000..b065a83481d3 --- /dev/null +++ b/drivers/video/via/tblDPASetting.h @@ -0,0 +1,47 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _TBLDPASETTING_H_ +#define _TBLDPASETTING_H_ +#include "global.h" + +#define DPA_CLK_30M 30000000 +#define DPA_CLK_50M 50000000 +#define DPA_CLK_70M 70000000 +#define DPA_CLK_100M 100000000 +#define DPA_CLK_150M 150000000 + +enum DPA_RANGE { + DPA_CLK_RANGE_30M, + DPA_CLK_RANGE_30_50M, + DPA_CLK_RANGE_50_70M, + DPA_CLK_RANGE_70_100M, + DPA_CLK_RANGE_100_150M, + DPA_CLK_RANGE_150M +}; + +extern struct VT1636_DPA_SETTING VT1636_DPA_SETTING_TBL_VT3324[7]; +extern struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3324[6]; +extern struct VT1636_DPA_SETTING VT1636_DPA_SETTING_TBL_VT3327[7]; +extern struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3327[]; +extern struct GFX_DPA_SETTING GFX_DPA_SETTING_TBL_VT3364[6]; + +#endif -- GitLab From 29b619fae69a0638ce10d5d6bb3c53f5d3ca0390 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:27 -0700 Subject: [PATCH 5455/6244] viafb: viafbdev.c, viafbdev.h Correct by following Jiri Slaby's suggestions. Initialization, remove and some other important functions of viafb. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Cc: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/viafbdev.c | 2567 ++++++++++++++++++++++++++++++++++ drivers/video/via/viafbdev.h | 112 ++ 2 files changed, 2679 insertions(+) create mode 100644 drivers/video/via/viafbdev.c create mode 100644 drivers/video/via/viafbdev.h diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c new file mode 100644 index 000000000000..ba8ce61140c9 --- /dev/null +++ b/drivers/video/via/viafbdev.c @@ -0,0 +1,2567 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#define _MASTER_FILE + +#include "global.h" + +static int MAX_CURS = 32; +static struct fb_var_screeninfo default_var; +static char *viafb_name = "Via"; +static u32 pseudo_pal[17]; + +/* video mode */ +static char *viafb_mode = "640x480"; +static char *viafb_mode1 = "640x480"; +static int viafb_resMode = VIA_RES_640X480; + +/* Added for specifying active devices.*/ +char *viafb_active_dev = ""; + +/* Added for specifying video on devices.*/ +char *viafb_video_dev = ""; + +/*Added for specify lcd output port*/ +char *viafb_lcd_port = ""; +char *viafb_dvi_port = ""; + +static void viafb_set_device(struct device_t active_dev); +static int apply_device_setting(struct viafb_ioctl_setting setting_info, + struct fb_info *info); +static void apply_second_mode_setting(struct fb_var_screeninfo + *sec_var); +static void retrieve_device_setting(struct viafb_ioctl_setting + *setting_info); +static void viafb_set_video_device(u32 video_dev_info); +static void viafb_get_video_device(u32 *video_dev_info); + +/* Mode information */ +static const struct viafb_modeinfo viafb_modentry[] = { + {480, 640, VIA_RES_480X640, "480x640"}, + {640, 480, VIA_RES_640X480, "640x480"}, + {800, 480, VIA_RES_800X480, "800x480"}, + {800, 600, VIA_RES_800X600, "800x600"}, + {1024, 768, VIA_RES_1024X768, "1024x768"}, + {1152, 864, VIA_RES_1152X864, "1152x864"}, + {1280, 1024, VIA_RES_1280X1024, "1280x1024"}, + {1600, 1200, VIA_RES_1600X1200, "1600x1200"}, + {1440, 1050, VIA_RES_1440X1050, "1440x1050"}, + {1280, 768, VIA_RES_1280X768, "1280x768"}, + {1280, 800, VIA_RES_1280X800, "1280x800"}, + {1280, 960, VIA_RES_1280X960, "1280x960"}, + {1920, 1440, VIA_RES_1920X1440, "1920x1440"}, + {848, 480, VIA_RES_848X480, "848x480"}, + {1400, 1050, VIA_RES_1400X1050, "1400x1050"}, + {720, 480, VIA_RES_720X480, "720x480"}, + {720, 576, VIA_RES_720X576, "720x576"}, + {1024, 512, VIA_RES_1024X512, "1024x512"}, + {1024, 576, VIA_RES_1024X576, "1024x576"}, + {1024, 600, VIA_RES_1024X600, "1024x600"}, + {1280, 720, VIA_RES_1280X720, "1280x720"}, + {1920, 1080, VIA_RES_1920X1080, "1920x1080"}, + {1366, 768, VIA_RES_1368X768, "1368x768"}, + {1680, 1050, VIA_RES_1680X1050, "1680x1050"}, + {960, 600, VIA_RES_960X600, "960x600"}, + {1000, 600, VIA_RES_1000X600, "1000x600"}, + {1024, 576, VIA_RES_1024X576, "1024x576"}, + {1024, 600, VIA_RES_1024X600, "1024x600"}, + {1088, 612, VIA_RES_1088X612, "1088x612"}, + {1152, 720, VIA_RES_1152X720, "1152x720"}, + {1200, 720, VIA_RES_1200X720, "1200x720"}, + {1280, 600, VIA_RES_1280X600, "1280x600"}, + {1360, 768, VIA_RES_1360X768, "1360x768"}, + {1440, 900, VIA_RES_1440X900, "1440x900"}, + {1600, 900, VIA_RES_1600X900, "1600x900"}, + {1600, 1024, VIA_RES_1600X1024, "1600x1024"}, + {1792, 1344, VIA_RES_1792X1344, "1792x1344"}, + {1856, 1392, VIA_RES_1856X1392, "1856x1392"}, + {1920, 1200, VIA_RES_1920X1200, "1920x1200"}, + {2048, 1536, VIA_RES_2048X1536, "2048x1536"}, + {0, 0, VIA_RES_INVALID, "640x480"} +}; + +static struct fb_ops viafb_ops; + +static int viafb_update_fix(struct fb_fix_screeninfo *fix, struct fb_info *info) +{ + struct viafb_par *ppar; + ppar = info->par; + + DEBUG_MSG(KERN_INFO "viafb_update_fix!\n"); + + fix->visual = + ppar->bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + fix->line_length = ppar->linelength; + + return 0; +} + + +static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, + struct viafb_par *viaparinfo) +{ + memset(fix, 0, sizeof(struct fb_fix_screeninfo)); + strcpy(fix->id, viafb_name); + + fix->smem_start = viaparinfo->fbmem; + fix->smem_len = viaparinfo->fbmem_free; + fix->mmio_start = viaparinfo->mmio_base; + fix->mmio_len = viaparinfo->mmio_len; + + fix->type = FB_TYPE_PACKED_PIXELS; + fix->type_aux = 0; + + fix->xpanstep = fix->ywrapstep = 0; + fix->ypanstep = 1; + + /* Just tell the accel name */ + viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME; +} +static int viafb_open(struct fb_info *info, int user) +{ + DEBUG_MSG(KERN_INFO "viafb_open!\n"); + return 0; +} + +static int viafb_release(struct fb_info *info, int user) +{ + DEBUG_MSG(KERN_INFO "viafb_release!\n"); + return 0; +} + +static void viafb_update_viafb_par(struct fb_info *info) +{ + struct viafb_par *ppar; + + ppar = info->par; + ppar->bpp = info->var.bits_per_pixel; + ppar->linelength = ((info->var.xres_virtual + 7) & ~7) * ppar->bpp / 8; + ppar->hres = info->var.xres; + ppar->vres = info->var.yres; + ppar->xoffset = info->var.xoffset; + ppar->yoffset = info->var.yoffset; +} + +static int viafb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + int vmode_index, htotal, vtotal; + struct viafb_par *ppar; + u32 long_refresh; + struct viafb_par *p_viafb_par; + ppar = info->par; + + + DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); + /* Sanity check */ + /* HW neither support interlacte nor double-scaned mode */ + if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE) + return -EINVAL; + + vmode_index = viafb_get_mode_index(var->xres, var->yres, 0); + if (vmode_index == VIA_RES_INVALID) { + DEBUG_MSG(KERN_INFO + "viafb: Mode %dx%dx%d not supported!!\n", + var->xres, var->yres, var->bits_per_pixel); + return -EINVAL; + } + + if (24 == var->bits_per_pixel) + var->bits_per_pixel = 32; + + if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 && + var->bits_per_pixel != 32) + return -EINVAL; + + if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F) + /*32 pixel alignment */ + var->xres_virtual = (var->xres_virtual + 31) & ~31; + if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 > + ppar->memsize) + return -EINVAL; + + /* Based on var passed in to calculate the refresh, + * because our driver use some modes special. + */ + htotal = var->xres + var->left_margin + + var->right_margin + var->hsync_len; + vtotal = var->yres + var->upper_margin + + var->lower_margin + var->vsync_len; + long_refresh = 1000000000UL / var->pixclock * 1000; + long_refresh /= (htotal * vtotal); + + viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh); + + /* Adjust var according to our driver's own table */ + viafb_fill_var_timing_info(var, viafb_refresh, vmode_index); + + /* This is indeed a patch for VT3353 */ + if (!info->par) + return -1; + p_viafb_par = (struct viafb_par *)info->par; + if (p_viafb_par->chip_info->gfx_chip_name == UNICHROME_VX800) + var->accel_flags = 0; + + return 0; +} + +static int viafb_set_par(struct fb_info *info) +{ + int vmode_index; + int vmode_index1 = 0; + DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); + + viafb_update_device_setting(info->var.xres, info->var.yres, + info->var.bits_per_pixel, viafb_refresh, 0); + + vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres, 0); + + if (viafb_SAMM_ON == 1) { + DEBUG_MSG(KERN_INFO + "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", + viafb_second_xres, viafb_second_yres, viafb_bpp1); + vmode_index1 = viafb_get_mode_index(viafb_second_xres, + viafb_second_yres, 1); + DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n", + vmode_index1); + + viafb_update_device_setting(viafb_second_xres, + viafb_second_yres, viafb_bpp1, viafb_refresh1, 1); + } + + if (vmode_index != VIA_RES_INVALID) { + viafb_setmode(vmode_index, info->var.xres, info->var.yres, + info->var.bits_per_pixel, vmode_index1, + viafb_second_xres, viafb_second_yres, viafb_bpp1); + + /*We should set memory offset according virtual_x */ + /*Fix me:put this function into viafb_setmode */ + viafb_memory_pitch_patch(info); + + /* Update ***fb_par information */ + viafb_update_viafb_par(info); + + /* Update other fixed information */ + viafb_update_fix(&info->fix, info); + viafb_bpp = info->var.bits_per_pixel; + /* Update viafb_accel, it is necessary to our 2D accelerate */ + viafb_accel = info->var.accel_flags; + + if (viafb_accel) + viafb_set_2d_color_depth(info->var.bits_per_pixel); + } + + return 0; +} + +/* Set one color register */ +static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green, +unsigned blue, unsigned transp, struct fb_info *info) +{ + u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10; + unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16; + DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n"); + if (regno >= cmap_entries) + return 1; + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) { + /* + * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev. + */ + outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8); + rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff; + } + switch (info->var.bits_per_pixel) { + case 8: + outb(0x1A, 0x3C4); + sr1a = inb(0x3C5); + outb(0x1B, 0x3C4); + sr1b = inb(0x3C5); + outb(0x67, 0x3D4); + cr67 = inb(0x3D5); + outb(0x6A, 0x3D4); + cr6a = inb(0x3D5); + + /* Map the 3C6/7/8/9 to the IGA2 */ + outb(0x1A, 0x3C4); + outb(sr1a | 0x01, 0x3C5); + /* Second Display Engine colck always on */ + outb(0x1B, 0x3C4); + outb(sr1b | 0x80, 0x3C5); + /* Second Display Color Depth 8 */ + outb(0x67, 0x3D4); + outb(cr67 & 0x3F, 0x3D5); + outb(0x6A, 0x3D4); + /* Second Display Channel Reset CR6A[6]) */ + outb(cr6a & 0xBF, 0x3D5); + /* Second Display Channel Enable CR6A[7] */ + outb(cr6a | 0x80, 0x3D5); + /* Second Display Channel stop reset) */ + outb(cr6a | 0x40, 0x3D5); + + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + /* Write one register of IGA2 */ + outb(regno, 0x3C8); + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name && + rev >= 15) { + shift = 8; + viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5); + viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7); + } else { + shift = 10; + viafb_write_reg_mask(CR6A, VIACR, 0, BIT5); + viafb_write_reg_mask(SR15, VIASR, 0, BIT7); + } + outb(red >> shift, 0x3C9); + outb(green >> shift, 0x3C9); + outb(blue >> shift, 0x3C9); + + /* Map the 3C6/7/8/9 to the IGA1 */ + outb(0x1A, 0x3C4); + outb(sr1a & 0xFE, 0x3C5); + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + /* Write one register of IGA1 */ + outb(regno, 0x3C8); + outb(red >> shift, 0x3C9); + outb(green >> shift, 0x3C9); + outb(blue >> shift, 0x3C9); + + outb(0x1A, 0x3C4); + outb(sr1a, 0x3C5); + outb(0x1B, 0x3C4); + outb(sr1b, 0x3C5); + outb(0x67, 0x3D4); + outb(cr67, 0x3D5); + outb(0x6A, 0x3D4); + outb(cr6a, 0x3D5); + break; + case 16: + ((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) | + ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11); + break; + case 32: + ((u32 *) info->pseudo_palette)[regno] = + ((transp & 0xFF00) << 16) | + ((red & 0xFF00) << 8) | + ((green & 0xFF00)) | ((blue & 0xFF00) >> 8); + break; + } + + return 0; + +} + +/*CALLED BY: fb_set_cmap */ +/* fb_set_var, pass 256 colors */ +/*CALLED BY: fb_set_cmap */ +/* fbcon_set_palette, pass 16 colors */ +static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info) +{ + u32 len = cmap->len; + u32 i; + u16 *pred = cmap->red; + u16 *pgreen = cmap->green; + u16 *pblue = cmap->blue; + u16 *ptransp = cmap->transp; + u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10; + if (len > 256) + return 1; + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) { + /* + * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip + * rev. + */ + outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8); + rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff; + } + switch (info->var.bits_per_pixel) { + case 8: + outb(0x1A, 0x3C4); + sr1a = inb(0x3C5); + outb(0x1B, 0x3C4); + sr1b = inb(0x3C5); + outb(0x67, 0x3D4); + cr67 = inb(0x3D5); + outb(0x6A, 0x3D4); + cr6a = inb(0x3D5); + /* Map the 3C6/7/8/9 to the IGA2 */ + outb(0x1A, 0x3C4); + outb(sr1a | 0x01, 0x3C5); + outb(0x1B, 0x3C4); + /* Second Display Engine colck always on */ + outb(sr1b | 0x80, 0x3C5); + outb(0x67, 0x3D4); + /* Second Display Color Depth 8 */ + outb(cr67 & 0x3F, 0x3D5); + outb(0x6A, 0x3D4); + /* Second Display Channel Reset CR6A[6]) */ + outb(cr6a & 0xBF, 0x3D5); + /* Second Display Channel Enable CR6A[7] */ + outb(cr6a | 0x80, 0x3D5); + /* Second Display Channel stop reset) */ + outb(cr6a | 0xC0, 0x3D5); + + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + outb(0x00, 0x3C8); + if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name && + rev >= 15) { + shift = 8; + viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5); + viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7); + } else { + shift = 10; + viafb_write_reg_mask(CR6A, VIACR, 0, BIT5); + viafb_write_reg_mask(SR15, VIASR, 0, BIT7); + } + for (i = 0; i < len; i++) { + outb((*(pred + i)) >> shift, 0x3C9); + outb((*(pgreen + i)) >> shift, 0x3C9); + outb((*(pblue + i)) >> shift, 0x3C9); + } + + outb(0x1A, 0x3C4); + /* Map the 3C6/7/8/9 to the IGA1 */ + outb(sr1a & 0xFE, 0x3C5); + /* Bit mask of palette */ + outb(0xFF, 0x3c6); + outb(0x00, 0x3C8); + for (i = 0; i < len; i++) { + outb((*(pred + i)) >> shift, 0x3C9); + outb((*(pgreen + i)) >> shift, 0x3C9); + outb((*(pblue + i)) >> shift, 0x3C9); + } + + outb(0x1A, 0x3C4); + outb(sr1a, 0x3C5); + outb(0x1B, 0x3C4); + outb(sr1b, 0x3C5); + outb(0x67, 0x3D4); + outb(cr67, 0x3D5); + outb(0x6A, 0x3D4); + outb(cr6a, 0x3D5); + break; + case 16: + if (len > 17) + return 0; /* Because static u32 pseudo_pal[17]; */ + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + (*(pred + i) & 0xF800) | + ((*(pgreen + i) & 0xFC00) >> 5) | + ((*(pblue + i) & 0xF800) >> 11); + break; + case 32: + if (len > 17) + return 0; + if (ptransp) { + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + ((*(ptransp + i) & 0xFF00) << 16) | + ((*(pred + i) & 0xFF00) << 8) | + ((*(pgreen + i) & 0xFF00)) | + ((*(pblue + i) & 0xFF00) >> 8); + } else { + for (i = 0; i < len; i++) + ((u32 *) info->pseudo_palette)[i] = + 0x00000000 | + ((*(pred + i) & 0xFF00) << 8) | + ((*(pgreen + i) & 0xFF00)) | + ((*(pblue + i) & 0xFF00) >> 8); + } + break; + } + return 0; +} + +static int viafb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + unsigned int offset; + + DEBUG_MSG(KERN_INFO "viafb_pan_display!\n"); + + offset = (var->xoffset + (var->yoffset * var->xres_virtual)) * + var->bits_per_pixel / 16; + + DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset); + + viafb_write_reg_mask(0x48, 0x3d4, ((offset >> 24) & 0x3), 0x3); + viafb_write_reg_mask(0x34, 0x3d4, ((offset >> 16) & 0xff), 0xff); + viafb_write_reg_mask(0x0c, 0x3d4, ((offset >> 8) & 0xff), 0xff); + viafb_write_reg_mask(0x0d, 0x3d4, (offset & 0xff), 0xff); + + return 0; +} + +static int viafb_blank(int blank_mode, struct fb_info *info) +{ + DEBUG_MSG(KERN_INFO "viafb_blank!\n"); + /* clear DPMS setting */ + + switch (blank_mode) { + case FB_BLANK_UNBLANK: + /* Screen: On, HSync: On, VSync: On */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x00, BIT4 + BIT5); + break; + case FB_BLANK_HSYNC_SUSPEND: + /* Screen: Off, HSync: Off, VSync: On */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x10, BIT4 + BIT5); + break; + case FB_BLANK_VSYNC_SUSPEND: + /* Screen: Off, HSync: On, VSync: Off */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x20, BIT4 + BIT5); + break; + case FB_BLANK_POWERDOWN: + /* Screen: Off, HSync: Off, VSync: Off */ + /* control CRT monitor power management */ + viafb_write_reg_mask(CR36, VIACR, 0x30, BIT4 + BIT5); + break; + } + + return 0; +} + +static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) +{ + struct viafb_ioctl_mode viamode; + struct viafb_ioctl_samm viasamm; + struct viafb_driver_version driver_version; + struct fb_var_screeninfo sec_var; + struct _panel_size_pos_info panel_pos_size_para; + u32 state_info = 0; + u32 viainfo_size = sizeof(struct viafb_ioctl_info); + u32 *viafb_gamma_table; + char driver_name[] = "viafb"; + + u32 __user *argp = (u32 __user *) arg; + u32 gpu32; + u32 video_dev_info = 0; + struct viafb_ioctl_setting viafb_setting = {}; + struct device_t active_dev = {}; + + DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); + + switch (cmd) { + case VIAFB_GET_CHIP_INFO: + if (copy_to_user(argp, viaparinfo->chip_info, + sizeof(struct chip_information))) + return -EFAULT; + break; + case VIAFB_GET_INFO_SIZE: + return put_user(viainfo_size, argp); + case VIAFB_GET_INFO: + return viafb_ioctl_get_viafb_info(arg); + case VIAFB_HOTPLUG: + return put_user(viafb_ioctl_hotplug(info->var.xres, + info->var.yres, + info->var.bits_per_pixel), argp); + case VIAFB_SET_HOTPLUG_FLAG: + if (copy_from_user(&gpu32, argp, sizeof(gpu32))) + return -EFAULT; + viafb_hotplug = (gpu32) ? 1 : 0; + break; + case VIAFB_GET_RESOLUTION: + viamode.xres = (u32) viafb_hotplug_Xres; + viamode.yres = (u32) viafb_hotplug_Yres; + viamode.refresh = (u32) viafb_hotplug_refresh; + viamode.bpp = (u32) viafb_hotplug_bpp; + if (viafb_SAMM_ON == 1) { + viamode.xres_sec = viafb_second_xres; + viamode.yres_sec = viafb_second_yres; + viamode.virtual_xres_sec = viafb_second_virtual_xres; + viamode.virtual_yres_sec = viafb_second_virtual_yres; + viamode.refresh_sec = viafb_refresh1; + viamode.bpp_sec = viafb_bpp1; + } else { + viamode.xres_sec = 0; + viamode.yres_sec = 0; + viamode.virtual_xres_sec = 0; + viamode.virtual_yres_sec = 0; + viamode.refresh_sec = 0; + viamode.bpp_sec = 0; + } + if (copy_to_user(argp, &viamode, sizeof(viamode))) + return -EFAULT; + break; + case VIAFB_GET_SAMM_INFO: + viasamm.samm_status = viafb_SAMM_ON; + + if (viafb_SAMM_ON == 1) { + if (viafb_dual_fb) { + viasamm.size_prim = viaparinfo->fbmem_free; + viasamm.size_sec = viaparinfo1->fbmem_free; + } else { + if (viafb_second_size) { + viasamm.size_prim = + viaparinfo->fbmem_free - + viafb_second_size * 1024 * 1024; + viasamm.size_sec = + viafb_second_size * 1024 * 1024; + } else { + viasamm.size_prim = + viaparinfo->fbmem_free >> 1; + viasamm.size_sec = + (viaparinfo->fbmem_free >> 1); + } + } + viasamm.mem_base = viaparinfo->fbmem; + viasamm.offset_sec = viafb_second_offset; + } else { + viasamm.size_prim = + viaparinfo->memsize - viaparinfo->fbmem_used; + viasamm.size_sec = 0; + viasamm.mem_base = viaparinfo->fbmem; + viasamm.offset_sec = 0; + } + + if (copy_to_user(argp, &viasamm, sizeof(viasamm))) + return -EFAULT; + + break; + case VIAFB_TURN_ON_OUTPUT_DEVICE: + if (copy_from_user(&gpu32, argp, sizeof(gpu32))) + return -EFAULT; + if (gpu32 & CRT_Device) + viafb_crt_enable(); + if (gpu32 & DVI_Device) + viafb_dvi_enable(); + if (gpu32 & LCD_Device) + viafb_lcd_enable(); + break; + case VIAFB_TURN_OFF_OUTPUT_DEVICE: + if (copy_from_user(&gpu32, argp, sizeof(gpu32))) + return -EFAULT; + if (gpu32 & CRT_Device) + viafb_crt_disable(); + if (gpu32 & DVI_Device) + viafb_dvi_disable(); + if (gpu32 & LCD_Device) + viafb_lcd_disable(); + break; + case VIAFB_SET_DEVICE: + if (copy_from_user(&active_dev, (void *)argp, + sizeof(active_dev))) + return -EFAULT; + viafb_set_device(active_dev); + viafb_set_par(info); + break; + case VIAFB_GET_DEVICE: + active_dev.crt = viafb_CRT_ON; + active_dev.dvi = viafb_DVI_ON; + active_dev.lcd = viafb_LCD_ON; + active_dev.samm = viafb_SAMM_ON; + active_dev.primary_dev = viafb_primary_dev; + + active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; + active_dev.lcd_panel_id = viafb_lcd_panel_id; + active_dev.lcd_mode = viafb_lcd_mode; + + active_dev.xres = viafb_hotplug_Xres; + active_dev.yres = viafb_hotplug_Yres; + + active_dev.xres1 = viafb_second_xres; + active_dev.yres1 = viafb_second_yres; + + active_dev.bpp = viafb_bpp; + active_dev.bpp1 = viafb_bpp1; + active_dev.refresh = viafb_refresh; + active_dev.refresh1 = viafb_refresh1; + + active_dev.epia_dvi = viafb_platform_epia_dvi; + active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; + active_dev.bus_width = viafb_bus_width; + + if (copy_to_user(argp, &active_dev, sizeof(active_dev))) + return -EFAULT; + break; + + case VIAFB_GET_DRIVER_VERSION: + driver_version.iMajorNum = VERSION_MAJOR; + driver_version.iKernelNum = VERSION_KERNEL; + driver_version.iOSNum = VERSION_OS; + driver_version.iMinorNum = VERSION_MINOR; + + if (copy_to_user(argp, &driver_version, + sizeof(driver_version))) + return -EFAULT; + + break; + + case VIAFB_SET_DEVICE_INFO: + if (copy_from_user(&viafb_setting, + argp, sizeof(viafb_setting))) + return -EFAULT; + if (apply_device_setting(viafb_setting, info) < 0) + return -EINVAL; + + break; + + case VIAFB_SET_SECOND_MODE: + if (copy_from_user(&sec_var, argp, sizeof(sec_var))) + return -EFAULT; + apply_second_mode_setting(&sec_var); + break; + + case VIAFB_GET_DEVICE_INFO: + + retrieve_device_setting(&viafb_setting); + + if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting))) + return -EFAULT; + + break; + + case VIAFB_GET_DEVICE_SUPPORT: + viafb_get_device_support_state(&state_info); + if (put_user(state_info, argp)) + return -EFAULT; + break; + + case VIAFB_GET_DEVICE_CONNECT: + viafb_get_device_connect_state(&state_info); + if (put_user(state_info, argp)) + return -EFAULT; + break; + + case VIAFB_GET_PANEL_SUPPORT_EXPAND: + state_info = + viafb_lcd_get_support_expand_state(info->var.xres, + info->var.yres); + if (put_user(state_info, argp)) + return -EFAULT; + break; + + case VIAFB_GET_DRIVER_NAME: + if (copy_to_user(argp, driver_name, sizeof(driver_name))) + return -EFAULT; + break; + + case VIAFB_SET_GAMMA_LUT: + viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL); + if (!viafb_gamma_table) + return -ENOMEM; + if (copy_from_user(viafb_gamma_table, argp, + sizeof(viafb_gamma_table))) { + kfree(viafb_gamma_table); + return -EFAULT; + } + viafb_set_gamma_table(viafb_bpp, viafb_gamma_table); + kfree(viafb_gamma_table); + break; + + case VIAFB_GET_GAMMA_LUT: + viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL); + if (!viafb_gamma_table) + return -ENOMEM; + viafb_get_gamma_table(viafb_gamma_table); + if (copy_to_user(argp, viafb_gamma_table, + sizeof(viafb_gamma_table))) { + kfree(viafb_gamma_table); + return -EFAULT; + } + kfree(viafb_gamma_table); + break; + + case VIAFB_GET_GAMMA_SUPPORT_STATE: + viafb_get_gamma_support_state(viafb_bpp, &state_info); + if (put_user(state_info, argp)) + return -EFAULT; + break; + case VIAFB_SET_VIDEO_DEVICE: + get_user(video_dev_info, argp); + viafb_set_video_device(video_dev_info); + break; + case VIAFB_GET_VIDEO_DEVICE: + viafb_get_video_device(&video_dev_info); + if (put_user(video_dev_info, argp)) + return -EFAULT; + break; + case VIAFB_SYNC_SURFACE: + DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n"); + break; + case VIAFB_GET_DRIVER_CAPS: + break; + + case VIAFB_GET_PANEL_MAX_SIZE: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_GET_PANEL_MAX_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + + case VIAFB_GET_PANEL_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_GET_PANEL_SIZE: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + panel_pos_size_para.x = panel_pos_size_para.y = 0; + if (copy_to_user(argp, &panel_pos_size_para, + sizeof(panel_pos_size_para))) + return -EFAULT; + break; + + case VIAFB_SET_PANEL_POSITION: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + break; + case VIAFB_SET_PANEL_SIZE: + if (copy_from_user + (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + return -EFAULT; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static void viafb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + u32 col = 0, rop = 0; + int pitch; + + if (!viafb_accel) + return cfb_fillrect(info, rect); + + if (!rect->width || !rect->height) + return; + + switch (rect->rop) { + case ROP_XOR: + rop = 0x5A; + break; + case ROP_COPY: + default: + rop = 0xF0; + break; + } + + switch (info->var.bits_per_pixel) { + case 8: + col = rect->color; + break; + case 16: + col = ((u32 *) (info->pseudo_palette))[rect->color]; + break; + case 32: + col = ((u32 *) (info->pseudo_palette))[rect->color]; + break; + } + + /* BitBlt Source Address */ + MMIO_OUT32(VIA_REG_SRCPOS, 0x0); + /* Source Base Address */ + MMIO_OUT32(VIA_REG_SRCBASE, 0x0); + /* Destination Base Address */ + /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ + MMIO_OUT32(VIA_REG_DSTBASE, + ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + MMIO_OUT32(VIA_REG_PITCH, + VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | + (((pitch * info-> + var.bits_per_pixel >> 3) >> 3) << 16))); + /* BitBlt Destination Address */ + MMIO_OUT32(VIA_REG_DSTPOS, ((rect->dy << 16) | rect->dx)); + /* Dimension: width & height */ + MMIO_OUT32(VIA_REG_DIMENSION, + (((rect->height - 1) << 16) | (rect->width - 1))); + /* Forground color or Destination color */ + MMIO_OUT32(VIA_REG_FGCOLOR, col); + /* GE Command */ + MMIO_OUT32(VIA_REG_GECMD, (0x01 | 0x2000 | (rop << 24))); + +} + +static void viafb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + u32 dy = area->dy, sy = area->sy, direction = 0x0; + u32 sx = area->sx, dx = area->dx, width = area->width; + int pitch; + + DEBUG_MSG(KERN_INFO "viafb_copyarea!!\n"); + + if (!viafb_accel) + return cfb_copyarea(info, area); + + if (!area->width || !area->height) + return; + + if (sy < dy) { + dy += area->height - 1; + sy += area->height - 1; + direction |= 0x4000; + } + + if (sx < dx) { + dx += width - 1; + sx += width - 1; + direction |= 0x8000; + } + + /* Source Base Address */ + /*MMIO_OUT32(VIA_REG_SRCBASE, 0x0); */ + MMIO_OUT32(VIA_REG_SRCBASE, + ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + /* Destination Base Address */ + /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ + MMIO_OUT32(VIA_REG_DSTBASE, + ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + /* VIA_PITCH_ENABLE can be omitted now. */ + MMIO_OUT32(VIA_REG_PITCH, + VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | (((pitch * + info->var. + bits_per_pixel + >> 3) >> 3) + << 16))); + /* BitBlt Source Address */ + MMIO_OUT32(VIA_REG_SRCPOS, ((sy << 16) | sx)); + /* BitBlt Destination Address */ + MMIO_OUT32(VIA_REG_DSTPOS, ((dy << 16) | dx)); + /* Dimension: width & height */ + MMIO_OUT32(VIA_REG_DIMENSION, + (((area->height - 1) << 16) | (area->width - 1))); + /* GE Command */ + MMIO_OUT32(VIA_REG_GECMD, (0x01 | direction | (0xCC << 24))); + +} + +static void viafb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + u32 size, bg_col = 0, fg_col = 0, *udata; + int i; + int pitch; + + if (!viafb_accel) + return cfb_imageblit(info, image); + + udata = (u32 *) image->data; + + switch (info->var.bits_per_pixel) { + case 8: + bg_col = image->bg_color; + fg_col = image->fg_color; + break; + case 16: + bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color]; + fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color]; + break; + case 32: + bg_col = ((u32 *) (info->pseudo_palette))[image->bg_color]; + fg_col = ((u32 *) (info->pseudo_palette))[image->fg_color]; + break; + } + size = image->width * image->height; + + /* Source Base Address */ + MMIO_OUT32(VIA_REG_SRCBASE, 0x0); + /* Destination Base Address */ + /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ + MMIO_OUT32(VIA_REG_DSTBASE, + ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + /* Pitch */ + pitch = (info->var.xres_virtual + 7) & ~7; + MMIO_OUT32(VIA_REG_PITCH, + VIA_PITCH_ENABLE | + (((pitch * + info->var.bits_per_pixel >> 3) >> 3) | (((pitch * + info->var. + bits_per_pixel + >> 3) >> 3) + << 16))); + /* BitBlt Source Address */ + MMIO_OUT32(VIA_REG_SRCPOS, 0x0); + /* BitBlt Destination Address */ + MMIO_OUT32(VIA_REG_DSTPOS, ((image->dy << 16) | image->dx)); + /* Dimension: width & height */ + MMIO_OUT32(VIA_REG_DIMENSION, + (((image->height - 1) << 16) | (image->width - 1))); + /* fb color */ + MMIO_OUT32(VIA_REG_FGCOLOR, fg_col); + /* bg color */ + MMIO_OUT32(VIA_REG_BGCOLOR, bg_col); + /* GE Command */ + MMIO_OUT32(VIA_REG_GECMD, 0xCC020142); + + for (i = 0; i < size / 4; i++) { + MMIO_OUT32(VIA_MMIO_BLTBASE, *udata); + udata++; + } + +} + +static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + u8 data[CURSOR_SIZE / 8]; + u32 data_bak[CURSOR_SIZE / 32]; + u32 temp, xx, yy, bg_col = 0, fg_col = 0; + int size, i, j = 0; + static int hw_cursor; + struct viafb_par *p_viafb_par; + + if (viafb_accel) + hw_cursor = 1; + + if (!viafb_accel) { + if (hw_cursor) { + viafb_show_hw_cursor(info, HW_Cursor_OFF); + hw_cursor = 0; + } + return -ENODEV; + } + + if ((((struct viafb_par *)(info->par))->iga_path == IGA2) + && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) + return -ENODEV; + + /* When duoview and using lcd , use soft cursor */ + if (viafb_LCD_ON || ((struct viafb_par *)(info->par))->duoview) + return -ENODEV; + + viafb_show_hw_cursor(info, HW_Cursor_OFF); + viacursor = *cursor; + + if (cursor->set & FB_CUR_SETHOT) { + viacursor.hot = cursor->hot; + temp = ((viacursor.hot.x) << 16) + viacursor.hot.y; + MMIO_OUT32(VIA_REG_CURSOR_ORG, temp); + } + + if (cursor->set & FB_CUR_SETPOS) { + viacursor.image.dx = cursor->image.dx; + viacursor.image.dy = cursor->image.dy; + yy = cursor->image.dy - info->var.yoffset; + xx = cursor->image.dx - info->var.xoffset; + temp = yy & 0xFFFF; + temp |= (xx << 16); + MMIO_OUT32(VIA_REG_CURSOR_POS, temp); + } + + if (cursor->set & FB_CUR_SETSIZE) { + temp = MMIO_IN32(VIA_REG_CURSOR_MODE); + + if ((cursor->image.width <= 32) + && (cursor->image.height <= 32)) { + MAX_CURS = 32; + temp |= 0x2; + } else if ((cursor->image.width <= 64) + && (cursor->image.height <= 64)) { + MAX_CURS = 64; + temp &= 0xFFFFFFFD; + } else { + DEBUG_MSG(KERN_INFO + "The cursor image is biger than 64x64 bits...\n"); + return -ENXIO; + } + MMIO_OUT32(VIA_REG_CURSOR_MODE, temp); + + viacursor.image.height = cursor->image.height; + viacursor.image.width = cursor->image.width; + } + + if (cursor->set & FB_CUR_SETCMAP) { + viacursor.image.fg_color = cursor->image.fg_color; + viacursor.image.bg_color = cursor->image.bg_color; + + switch (info->var.bits_per_pixel) { + case 8: + case 16: + case 32: + bg_col = + (0xFF << 24) | + (((info->cmap.red)[viacursor.image.bg_color] & + 0xFF00) << 8) | + ((info->cmap.green)[viacursor.image.bg_color] & + 0xFF00) | + (((info->cmap.blue)[viacursor.image.bg_color] & + 0xFF00) >> 8); + fg_col = + (0xFF << 24) | + (((info->cmap.red)[viacursor.image.fg_color] & + 0xFF00) << 8) | + ((info->cmap.green)[viacursor.image.fg_color] & + 0xFF00) | + (((info->cmap.blue)[viacursor.image.fg_color] & + 0xFF00) >> 8); + break; + default: + return 0; + } + + /* This is indeed a patch for VT3324/VT3353 */ + if (!info->par) + return 0; + p_viafb_par = (struct viafb_par *)info->par; + + if ((p_viafb_par->chip_info->gfx_chip_name == + UNICHROME_CX700) || + ((p_viafb_par->chip_info->gfx_chip_name == + UNICHROME_VX800))) { + bg_col = + (((info->cmap.red)[viacursor.image.bg_color] & + 0xFFC0) << 14) | + (((info->cmap.green)[viacursor.image.bg_color] & + 0xFFC0) << 4) | + (((info->cmap.blue)[viacursor.image.bg_color] & + 0xFFC0) >> 6); + fg_col = + (((info->cmap.red)[viacursor.image.fg_color] & + 0xFFC0) << 14) | + (((info->cmap.green)[viacursor.image.fg_color] & + 0xFFC0) << 4) | + (((info->cmap.blue)[viacursor.image.fg_color] & + 0xFFC0) >> 6); + } + + MMIO_OUT32(VIA_REG_CURSOR_BG, bg_col); + MMIO_OUT32(VIA_REG_CURSOR_FG, fg_col); + } + + if (cursor->set & FB_CUR_SETSHAPE) { + size = + ((viacursor.image.width + 7) >> 3) * + viacursor.image.height; + + if (MAX_CURS == 32) { + for (i = 0; i < (CURSOR_SIZE / 32); i++) { + data_bak[i] = 0x0; + data_bak[i + 1] = 0xFFFFFFFF; + i += 1; + } + } else if (MAX_CURS == 64) { + for (i = 0; i < (CURSOR_SIZE / 32); i++) { + data_bak[i] = 0x0; + data_bak[i + 1] = 0x0; + data_bak[i + 2] = 0xFFFFFFFF; + data_bak[i + 3] = 0xFFFFFFFF; + i += 3; + } + } + + switch (viacursor.rop) { + case ROP_XOR: + for (i = 0; i < size; i++) + data[i] = viacursor.mask[i]; + break; + case ROP_COPY: + + for (i = 0; i < size; i++) + data[i] = viacursor.mask[i]; + break; + default: + break; + } + + if (MAX_CURS == 32) { + for (i = 0; i < size; i++) { + data_bak[j] = (u32) data[i]; + data_bak[j + 1] = ~data_bak[j]; + j += 2; + } + } else if (MAX_CURS == 64) { + for (i = 0; i < size; i++) { + data_bak[j] = (u32) data[i]; + data_bak[j + 1] = 0x0; + data_bak[j + 2] = ~data_bak[j]; + data_bak[j + 3] = ~data_bak[j + 1]; + j += 4; + } + } + + memcpy(((struct viafb_par *)(info->par))->fbmem_virt + + ((struct viafb_par *)(info->par))->cursor_start, + data_bak, CURSOR_SIZE); + } + + if (viacursor.enable) + viafb_show_hw_cursor(info, HW_Cursor_ON); + + return 0; +} + +static int viafb_sync(struct fb_info *info) +{ + if (viafb_accel) + viafb_wait_engine_idle(); + return 0; +} + +int viafb_get_mode_index(int hres, int vres, int flag) +{ + u32 i; + DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n"); + + for (i = 0; viafb_modentry[i].mode_index != VIA_RES_INVALID; i++) + if (viafb_modentry[i].xres == hres && + viafb_modentry[i].yres == vres) + break; + + viafb_resMode = viafb_modentry[i].mode_index; + if (flag) + viafb_mode1 = viafb_modentry[i].mode_res; + else + viafb_mode = viafb_modentry[i].mode_res; + + return viafb_resMode; +} + +static void check_available_device_to_enable(int device_id) +{ + int device_num = 0; + + /* Initialize: */ + viafb_CRT_ON = STATE_OFF; + viafb_DVI_ON = STATE_OFF; + viafb_LCD_ON = STATE_OFF; + viafb_LCD2_ON = STATE_OFF; + viafb_DeviceStatus = None_Device; + + if ((device_id & CRT_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_CRT_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= CRT_Device; + } + + if ((device_id & DVI_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_DVI_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= DVI_Device; + } + + if ((device_id & LCD_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_LCD_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= LCD_Device; + } + + if ((device_id & LCD2_Device) && (device_num < MAX_ACTIVE_DEV_NUM)) { + viafb_LCD2_ON = STATE_ON; + device_num++; + viafb_DeviceStatus |= LCD2_Device; + } + + if (viafb_DeviceStatus == None_Device) { + /* Use CRT as default active device: */ + viafb_CRT_ON = STATE_ON; + viafb_DeviceStatus = CRT_Device; + } + DEBUG_MSG(KERN_INFO "Device Status:%x", viafb_DeviceStatus); +} + +static void viafb_set_device(struct device_t active_dev) +{ + /* Check available device to enable: */ + int device_id = None_Device; + if (active_dev.crt) + device_id |= CRT_Device; + if (active_dev.dvi) + device_id |= DVI_Device; + if (active_dev.lcd) + device_id |= LCD_Device; + + check_available_device_to_enable(device_id); + + /* Check property of LCD: */ + if (viafb_LCD_ON) { + if (active_dev.lcd_dsp_cent) { + viaparinfo->lvds_setting_info->display_method = + viafb_lcd_dsp_method = LCD_CENTERING; + } else { + viaparinfo->lvds_setting_info->display_method = + viafb_lcd_dsp_method = LCD_EXPANDSION; + } + + if (active_dev.lcd_mode == LCD_SPWG) { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_SPWG; + } else { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_OPENLDI; + } + + if (active_dev.lcd_panel_id <= LCD_PANEL_ID_MAXIMUM) { + viafb_lcd_panel_id = active_dev.lcd_panel_id; + viafb_init_lcd_size(); + } + } + + /* Check property of mode: */ + if (!active_dev.xres1) + viafb_second_xres = 640; + else + viafb_second_xres = active_dev.xres1; + if (!active_dev.yres1) + viafb_second_yres = 480; + else + viafb_second_yres = active_dev.yres1; + if (active_dev.bpp != 0) + viafb_bpp = active_dev.bpp; + if (active_dev.bpp1 != 0) + viafb_bpp1 = active_dev.bpp1; + if (active_dev.refresh != 0) + viafb_refresh = active_dev.refresh; + if (active_dev.refresh1 != 0) + viafb_refresh1 = active_dev.refresh1; + if ((active_dev.samm == STATE_OFF) || (active_dev.samm == STATE_ON)) + viafb_SAMM_ON = active_dev.samm; + viafb_primary_dev = active_dev.primary_dev; + + viafb_set_start_addr(); + viafb_set_iga_path(); +} + +static void viafb_set_video_device(u32 video_dev_info) +{ + viaparinfo->video_on_crt = STATE_OFF; + viaparinfo->video_on_dvi = STATE_OFF; + viaparinfo->video_on_lcd = STATE_OFF; + + /* Check available device to enable: */ + if ((video_dev_info & CRT_Device) == CRT_Device) + viaparinfo->video_on_crt = STATE_ON; + else if ((video_dev_info & DVI_Device) == DVI_Device) + viaparinfo->video_on_dvi = STATE_ON; + else if ((video_dev_info & LCD_Device) == LCD_Device) + viaparinfo->video_on_lcd = STATE_ON; +} + +static void viafb_get_video_device(u32 *video_dev_info) +{ + *video_dev_info = None_Device; + if (viaparinfo->video_on_crt == STATE_ON) + *video_dev_info |= CRT_Device; + else if (viaparinfo->video_on_dvi == STATE_ON) + *video_dev_info |= DVI_Device; + else if (viaparinfo->video_on_lcd == STATE_ON) + *video_dev_info |= LCD_Device; +} + +static int get_primary_device(void) +{ + int primary_device = 0; + /* Rule: device on iga1 path are the primary device. */ + if (viafb_SAMM_ON) { + if (viafb_CRT_ON) { + if (viaparinfo->crt_setting_info->iga_path == IGA1) { + DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", + viaparinfo-> + crt_setting_info->iga_path); + primary_device = CRT_Device; + } + } + if (viafb_DVI_ON) { + if (viaparinfo->tmds_setting_info->iga_path == IGA1) { + DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n", + viaparinfo-> + tmds_setting_info->iga_path); + primary_device = DVI_Device; + } + } + if (viafb_LCD_ON) { + if (viaparinfo->lvds_setting_info->iga_path == IGA1) { + DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n", + viaparinfo-> + lvds_setting_info->iga_path); + primary_device = LCD_Device; + } + } + if (viafb_LCD2_ON) { + if (viaparinfo->lvds_setting_info2->iga_path == IGA1) { + DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n", + viaparinfo-> + lvds_setting_info2->iga_path); + primary_device = LCD2_Device; + } + } + } + return primary_device; +} + +static u8 is_duoview(void) +{ + if (0 == viafb_SAMM_ON) { + if (viafb_LCD_ON + viafb_LCD2_ON + + viafb_DVI_ON + viafb_CRT_ON == 2) + return true; + return false; + } else { + return false; + } +} + +static void apply_second_mode_setting(struct fb_var_screeninfo + *sec_var) +{ + u32 htotal, vtotal, long_refresh; + + htotal = sec_var->xres + sec_var->left_margin + + sec_var->right_margin + sec_var->hsync_len; + vtotal = sec_var->yres + sec_var->upper_margin + + sec_var->lower_margin + sec_var->vsync_len; + if ((sec_var->xres_virtual * (sec_var->bits_per_pixel >> 3)) & 0x1F) { + /*Is 32 bytes alignment? */ + /*32 pixel alignment */ + sec_var->xres_virtual = (sec_var->xres_virtual + 31) & ~31; + } + + htotal = sec_var->xres + sec_var->left_margin + + sec_var->right_margin + sec_var->hsync_len; + vtotal = sec_var->yres + sec_var->upper_margin + + sec_var->lower_margin + sec_var->vsync_len; + long_refresh = 1000000000UL / sec_var->pixclock * 1000; + long_refresh /= (htotal * vtotal); + + viafb_second_xres = sec_var->xres; + viafb_second_yres = sec_var->yres; + viafb_second_virtual_xres = sec_var->xres_virtual; + viafb_second_virtual_yres = sec_var->yres_virtual; + viafb_bpp1 = sec_var->bits_per_pixel; + viafb_refresh1 = viafb_get_refresh(sec_var->xres, sec_var->yres, + long_refresh); +} + +static int apply_device_setting(struct viafb_ioctl_setting setting_info, + struct fb_info *info) +{ + int need_set_mode = 0; + DEBUG_MSG(KERN_INFO "apply_device_setting\n"); + + if (setting_info.device_flag) { + need_set_mode = 1; + check_available_device_to_enable(setting_info.device_status); + } + + /* Unlock LCD's operation according to LCD flag + and check if the setting value is valid. */ + /* If the value is valid, apply the new setting value to the device. */ + if (viafb_LCD_ON) { + if (setting_info.lcd_operation_flag & OP_LCD_CENTERING) { + need_set_mode = 1; + if (setting_info.lcd_attributes.display_center) { + /* Centering */ + viaparinfo->lvds_setting_info->display_method = + LCD_CENTERING; + viafb_lcd_dsp_method = LCD_CENTERING; + viaparinfo->lvds_setting_info2->display_method = + viafb_lcd_dsp_method = LCD_CENTERING; + } else { + /* expandsion */ + viaparinfo->lvds_setting_info->display_method = + LCD_EXPANDSION; + viafb_lcd_dsp_method = LCD_EXPANDSION; + viaparinfo->lvds_setting_info2->display_method = + LCD_EXPANDSION; + viafb_lcd_dsp_method = LCD_EXPANDSION; + } + } + + if (setting_info.lcd_operation_flag & OP_LCD_MODE) { + need_set_mode = 1; + if (setting_info.lcd_attributes.lcd_mode == + LCD_SPWG) { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_SPWG; + } else { + viaparinfo->lvds_setting_info->lcd_mode = + viafb_lcd_mode = LCD_OPENLDI; + } + viaparinfo->lvds_setting_info2->lcd_mode = + viaparinfo->lvds_setting_info->lcd_mode; + } + + if (setting_info.lcd_operation_flag & OP_LCD_PANEL_ID) { + need_set_mode = 1; + if (setting_info.lcd_attributes.panel_id <= + LCD_PANEL_ID_MAXIMUM) { + viafb_lcd_panel_id = + setting_info.lcd_attributes.panel_id; + viafb_init_lcd_size(); + } + } + } + + if (0 != (setting_info.samm_status & OP_SAMM)) { + setting_info.samm_status = + setting_info.samm_status & (~OP_SAMM); + if (setting_info.samm_status == 0 + || setting_info.samm_status == 1) { + viafb_SAMM_ON = setting_info.samm_status; + + if (viafb_SAMM_ON) + viafb_primary_dev = setting_info.primary_device; + + viafb_set_start_addr(); + viafb_set_iga_path(); + } + need_set_mode = 1; + } + + viaparinfo->duoview = is_duoview(); + + if (!need_set_mode) { + ; + } else { + viafb_set_iga_path(); + viafb_set_par(info); + } + return true; +} + +static void retrieve_device_setting(struct viafb_ioctl_setting + *setting_info) +{ + + /* get device status */ + if (viafb_CRT_ON == 1) + setting_info->device_status = CRT_Device; + if (viafb_DVI_ON == 1) + setting_info->device_status |= DVI_Device; + if (viafb_LCD_ON == 1) + setting_info->device_status |= LCD_Device; + if (viafb_LCD2_ON == 1) + setting_info->device_status |= LCD2_Device; + if ((viaparinfo->video_on_crt == 1) && (viafb_CRT_ON == 1)) { + setting_info->video_device_status = + viaparinfo->crt_setting_info->iga_path; + } else if ((viaparinfo->video_on_dvi == 1) && (viafb_DVI_ON == 1)) { + setting_info->video_device_status = + viaparinfo->tmds_setting_info->iga_path; + } else if ((viaparinfo->video_on_lcd == 1) && (viafb_LCD_ON == 1)) { + setting_info->video_device_status = + viaparinfo->lvds_setting_info->iga_path; + } else { + setting_info->video_device_status = 0; + } + + setting_info->samm_status = viafb_SAMM_ON; + setting_info->primary_device = get_primary_device(); + + setting_info->first_dev_bpp = viafb_bpp; + setting_info->second_dev_bpp = viafb_bpp1; + + setting_info->first_dev_refresh = viafb_refresh; + setting_info->second_dev_refresh = viafb_refresh1; + + setting_info->first_dev_hor_res = viafb_hotplug_Xres; + setting_info->first_dev_ver_res = viafb_hotplug_Yres; + setting_info->second_dev_hor_res = viafb_second_xres; + setting_info->second_dev_ver_res = viafb_second_yres; + + /* Get lcd attributes */ + setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method; + setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id; + setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode; +} + +static void parse_active_dev(void) +{ + viafb_CRT_ON = STATE_OFF; + viafb_DVI_ON = STATE_OFF; + viafb_LCD_ON = STATE_OFF; + viafb_LCD2_ON = STATE_OFF; + /* 1. Modify the active status of devices. */ + /* 2. Keep the order of devices, so we can set corresponding + IGA path to devices in SAMM case. */ + /* Note: The previous of active_dev is primary device, + and the following is secondary device. */ + if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) { + /* CRT+DVI */ + viafb_CRT_ON = STATE_ON; + viafb_DVI_ON = STATE_ON; + viafb_primary_dev = CRT_Device; + } else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) { + /* DVI+CRT */ + viafb_CRT_ON = STATE_ON; + viafb_DVI_ON = STATE_ON; + viafb_primary_dev = DVI_Device; + } else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) { + /* CRT+LCD */ + viafb_CRT_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = CRT_Device; + } else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) { + /* LCD+CRT */ + viafb_CRT_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) { + /* DVI+LCD */ + viafb_DVI_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = DVI_Device; + } else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) { + /* LCD+DVI */ + viafb_DVI_ON = STATE_ON; + viafb_LCD_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) { + viafb_LCD_ON = STATE_ON; + viafb_LCD2_ON = STATE_ON; + viafb_primary_dev = LCD_Device; + } else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) { + viafb_LCD_ON = STATE_ON; + viafb_LCD2_ON = STATE_ON; + viafb_primary_dev = LCD2_Device; + } else if (!strncmp(viafb_active_dev, "CRT", 3)) { + /* CRT only */ + viafb_CRT_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else if (!strncmp(viafb_active_dev, "DVI", 3)) { + /* DVI only */ + viafb_DVI_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else if (!strncmp(viafb_active_dev, "LCD", 3)) { + /* LCD only */ + viafb_LCD_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } else { + viafb_CRT_ON = STATE_ON; + viafb_SAMM_ON = STATE_OFF; + } + viaparinfo->duoview = is_duoview(); +} + +static void parse_video_dev(void) +{ + viaparinfo->video_on_crt = STATE_OFF; + viaparinfo->video_on_dvi = STATE_OFF; + viaparinfo->video_on_lcd = STATE_OFF; + + if (!strncmp(viafb_video_dev, "CRT", 3)) { + /* Video on CRT */ + viaparinfo->video_on_crt = STATE_ON; + } else if (!strncmp(viafb_video_dev, "DVI", 3)) { + /* Video on DVI */ + viaparinfo->video_on_dvi = STATE_ON; + } else if (!strncmp(viafb_video_dev, "LCD", 3)) { + /* Video on LCD */ + viaparinfo->video_on_lcd = STATE_ON; + } +} + +static int parse_port(char *opt_str, int *output_interface) +{ + if (!strncmp(opt_str, "DVP0", 4)) + *output_interface = INTERFACE_DVP0; + else if (!strncmp(opt_str, "DVP1", 4)) + *output_interface = INTERFACE_DVP1; + else if (!strncmp(opt_str, "DFP_HIGHLOW", 11)) + *output_interface = INTERFACE_DFP; + else if (!strncmp(opt_str, "DFP_HIGH", 8)) + *output_interface = INTERFACE_DFP_HIGH; + else if (!strncmp(opt_str, "DFP_LOW", 7)) + *output_interface = INTERFACE_DFP_LOW; + else + *output_interface = INTERFACE_NONE; + return 0; +} + +static void parse_lcd_port(void) +{ + parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info. + output_interface); + /*Initialize to avoid unexpected behavior */ + viaparinfo->chip_info->lvds_chip_info2.output_interface = + INTERFACE_NONE; + + DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n", + viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info. + output_interface); +} + +static void parse_dvi_port(void) +{ + parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info. + output_interface); + + DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n", + viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info. + output_interface); +} + +/* + * The proc filesystem read/write function, a simple proc implement to + * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, + * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2], + * CR9B, SR65, CR97, CR99 + */ +static int viafb_dvp0_proc_read(char *buf, char **start, off_t offset, +int count, int *eof, void *data) +{ + int len = 0; + u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0; + dvp0_data_dri = + (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 | + (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1; + dvp0_clk_dri = + (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 | + (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2; + dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f; + len += + sprintf(buf + len, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dvp0_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20], *value, *pbuf; + u8 reg_val = 0; + unsigned long length, i; + if (count < 1) + return -EINVAL; + length = count > 20 ? 20 : count; + if (copy_from_user(&buf[0], buffer, length)) + return -EFAULT; + buf[length - 1] = '\0'; /*Ensure end string */ + pbuf = &buf[0]; + for (i = 0; i < 3; i++) { + value = strsep(&pbuf, " "); + if (value != NULL) { + strict_strtoul(value, 0, (unsigned long *)®_val); + DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i, + reg_val); + switch (i) { + case 0: + viafb_write_reg_mask(CR96, VIACR, + reg_val, 0x0f); + break; + case 1: + viafb_write_reg_mask(SR2A, VIASR, + reg_val << 4, BIT5); + viafb_write_reg_mask(SR1B, VIASR, + reg_val << 1, BIT1); + break; + case 2: + viafb_write_reg_mask(SR2A, VIASR, + reg_val << 3, BIT4); + viafb_write_reg_mask(SR1E, VIASR, + reg_val << 2, BIT2); + break; + default: + break; + } + } else { + break; + } + } + return count; +} +static int viafb_dvp1_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0; + dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f; + dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2; + dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03; + len += + sprintf(buf + len, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dvp1_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20], *value, *pbuf; + u8 reg_val = 0; + unsigned long length, i; + if (count < 1) + return -EINVAL; + length = count > 20 ? 20 : count; + if (copy_from_user(&buf[0], buffer, length)) + return -EFAULT; + buf[length - 1] = '\0'; /*Ensure end string */ + pbuf = &buf[0]; + for (i = 0; i < 3; i++) { + value = strsep(&pbuf, " "); + if (value != NULL) { + strict_strtoul(value, 0, (unsigned long *)®_val); + switch (i) { + case 0: + viafb_write_reg_mask(CR9B, VIACR, + reg_val, 0x0f); + break; + case 1: + viafb_write_reg_mask(SR65, VIASR, + reg_val << 2, 0x0c); + break; + case 2: + viafb_write_reg_mask(SR65, VIASR, + reg_val, 0x03); + break; + default: + break; + } + } else { + break; + } + } + return count; +} + +static int viafb_dfph_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + u8 dfp_high = 0; + dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f; + len += sprintf(buf + len, "%x\n", dfp_high); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dfph_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20]; + u8 reg_val = 0; + unsigned long length; + if (count < 1) + return -EINVAL; + length = count > 20 ? 20 : count; + if (copy_from_user(&buf[0], buffer, length)) + return -EFAULT; + buf[length - 1] = '\0'; /*Ensure end string */ + strict_strtoul(&buf[0], 0, (unsigned long *)®_val); + viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); + return count; +} +static int viafb_dfpl_proc_read(char *buf, char **start, off_t offset, + int count, int *eof, void *data) +{ + int len = 0; + u8 dfp_low = 0; + dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f; + len += sprintf(buf + len, "%x\n", dfp_low); + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_dfpl_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[20]; + u8 reg_val = 0; + unsigned long length; + if (count < 1) + return -EINVAL; + length = count > 20 ? 20 : count; + if (copy_from_user(&buf[0], buffer, length)) + return -EFAULT; + buf[length - 1] = '\0'; /*Ensure end string */ + strict_strtoul(&buf[0], 0, (unsigned long *)®_val); + viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); + return count; +} +static int viafb_vt1636_proc_read(char *buf, char **start, + off_t offset, int count, int *eof, void *data) +{ + int len = 0; + u8 vt1636_08 = 0, vt1636_09 = 0; + switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + case VT1636_LVDS: + vt1636_08 = + viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f; + vt1636_09 = + viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info, + &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f; + len += sprintf(buf + len, "%x %x\n", vt1636_08, vt1636_09); + break; + default: + break; + } + switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { + case VT1636_LVDS: + vt1636_08 = + viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, + &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f; + vt1636_09 = + viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2, + &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f; + len += sprintf(buf + len, " %x %x\n", vt1636_08, vt1636_09); + break; + default: + break; + } + *eof = 1; /*Inform kernel end of data */ + return len; +} +static int viafb_vt1636_proc_write(struct file *file, + const char __user *buffer, unsigned long count, void *data) +{ + char buf[30], *value, *pbuf; + struct IODATA reg_val; + unsigned long length, i; + if (count < 1) + return -EINVAL; + length = count > 30 ? 30 : count; + if (copy_from_user(&buf[0], buffer, length)) + return -EFAULT; + buf[length - 1] = '\0'; /*Ensure end string */ + pbuf = &buf[0]; + switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) { + case VT1636_LVDS: + for (i = 0; i < 2; i++) { + value = strsep(&pbuf, " "); + if (value != NULL) { + strict_strtoul(value, 0, + (unsigned long *)®_val.Data); + switch (i) { + case 0: + reg_val.Index = 0x08; + reg_val.Mask = 0x0f; + viafb_gpio_i2c_write_mask_lvds + (viaparinfo->lvds_setting_info, + &viaparinfo-> + chip_info->lvds_chip_info, + reg_val); + break; + case 1: + reg_val.Index = 0x09; + reg_val.Mask = 0x1f; + viafb_gpio_i2c_write_mask_lvds + (viaparinfo->lvds_setting_info, + &viaparinfo-> + chip_info->lvds_chip_info, + reg_val); + break; + default: + break; + } + } else { + break; + } + } + break; + default: + break; + } + switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { + case VT1636_LVDS: + for (i = 0; i < 2; i++) { + value = strsep(&pbuf, " "); + if (value != NULL) { + strict_strtoul(value, 0, + (unsigned long *)®_val.Data); + switch (i) { + case 0: + reg_val.Index = 0x08; + reg_val.Mask = 0x0f; + viafb_gpio_i2c_write_mask_lvds + (viaparinfo->lvds_setting_info2, + &viaparinfo-> + chip_info->lvds_chip_info2, + reg_val); + break; + case 1: + reg_val.Index = 0x09; + reg_val.Mask = 0x1f; + viafb_gpio_i2c_write_mask_lvds + (viaparinfo->lvds_setting_info2, + &viaparinfo-> + chip_info->lvds_chip_info2, + reg_val); + break; + default: + break; + } + } else { + break; + } + } + break; + default: + break; + } + return count; +} + +static void viafb_init_proc(struct proc_dir_entry *viafb_entry) +{ + struct proc_dir_entry *entry; + viafb_entry = proc_mkdir("viafb", NULL); + if (viafb_entry) { + entry = create_proc_entry("dvp0", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dvp0_proc_read; + entry->write_proc = viafb_dvp0_proc_write; + } + entry = create_proc_entry("dvp1", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dvp1_proc_read; + entry->write_proc = viafb_dvp1_proc_write; + } + entry = create_proc_entry("dfph", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dfph_proc_read; + entry->write_proc = viafb_dfph_proc_write; + } + entry = create_proc_entry("dfpl", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_dfpl_proc_read; + entry->write_proc = viafb_dfpl_proc_write; + } + if (VT1636_LVDS == viaparinfo->chip_info->lvds_chip_info. + lvds_chip_name || VT1636_LVDS == + viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) { + entry = create_proc_entry("vt1636", 0, viafb_entry); + if (entry) { + entry->owner = THIS_MODULE; + entry->read_proc = viafb_vt1636_proc_read; + entry->write_proc = viafb_vt1636_proc_write; + } + } + + } +} +static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) +{ + /* no problem if it was not registered */ + remove_proc_entry("dvp0", viafb_entry);/* parent dir */ + remove_proc_entry("dvp1", viafb_entry); + remove_proc_entry("dfph", viafb_entry); + remove_proc_entry("dfpl", viafb_entry); + remove_proc_entry("vt1636", viafb_entry); + remove_proc_entry("vt1625", viafb_entry); +} + +static int __devinit via_pci_probe(void) +{ + unsigned int default_xres, default_yres; + char *tmpc, *tmpm; + char *tmpc_sec, *tmpm_sec; + int vmode_index; + u32 tmds_length, lvds_length, crt_length, chip_length, viafb_par_length; + + DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n"); + + viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8); + tmds_length = ALIGN(sizeof(struct tmds_setting_information), + BITS_PER_LONG/8); + lvds_length = ALIGN(sizeof(struct lvds_setting_information), + BITS_PER_LONG/8); + crt_length = ALIGN(sizeof(struct lvds_setting_information), + BITS_PER_LONG/8); + chip_length = ALIGN(sizeof(struct chip_information), BITS_PER_LONG/8); + + /* Allocate fb_info and ***_par here, also including some other needed + * variables + */ + viafbinfo = framebuffer_alloc(viafb_par_length + 2 * lvds_length + + tmds_length + crt_length + chip_length, NULL); + if (!viafbinfo) { + printk(KERN_ERR"Could not allocate memory for viafb_info.\n"); + return -ENODEV; + } + + viaparinfo = (struct viafb_par *)viafbinfo->par; + viaparinfo->tmds_setting_info = (struct tmds_setting_information *) + ((u32)viaparinfo + viafb_par_length); + viaparinfo->lvds_setting_info = (struct lvds_setting_information *) + ((u32)viaparinfo->tmds_setting_info + tmds_length); + viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *) + ((u32)viaparinfo->lvds_setting_info + lvds_length); + viaparinfo->crt_setting_info = (struct crt_setting_information *) + ((u32)viaparinfo->lvds_setting_info2 + lvds_length); + viaparinfo->chip_info = (struct chip_information *) + ((u32)viaparinfo->crt_setting_info + crt_length); + + if (viafb_dual_fb) + viafb_SAMM_ON = 1; + parse_active_dev(); + parse_video_dev(); + parse_lcd_port(); + parse_dvi_port(); + + /* for dual-fb must viafb_SAMM_ON=1 and viafb_dual_fb=1 */ + if (!viafb_SAMM_ON) + viafb_dual_fb = 0; + + /* Set up I2C bus stuff */ + viafb_create_i2c_bus(viaparinfo); + + viafb_init_chip_info(); + viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize); + viaparinfo->fbmem_free = viaparinfo->memsize; + viaparinfo->fbmem_used = 0; + viaparinfo->fbmem_virt = ioremap_nocache(viaparinfo->fbmem, + viaparinfo->memsize); + viafbinfo->screen_base = (char *)viaparinfo->fbmem_virt; + + if (!viaparinfo->fbmem_virt) { + printk(KERN_INFO "ioremap failed\n"); + return -1; + } + + viafb_get_mmio_info(&viaparinfo->mmio_base, &viaparinfo->mmio_len); + viaparinfo->io_virt = ioremap_nocache(viaparinfo->mmio_base, + viaparinfo->mmio_len); + + viafbinfo->node = 0; + viafbinfo->fbops = &viafb_ops; + viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; + + viafbinfo->pseudo_palette = pseudo_pal; + if (viafb_accel) { + viafb_init_accel(); + viafb_init_2d_engine(); + viafb_hw_cursor_init(); + } + + if (viafb_second_size && (viafb_second_size < 8)) { + viafb_second_offset = viaparinfo->fbmem_free - + viafb_second_size * 1024 * 1024; + } else { + viafb_second_size = 8; + viafb_second_offset = viaparinfo->fbmem_free - + viafb_second_size * 1024 * 1024; + } + + viafb_FB_MM = viaparinfo->fbmem_virt; + tmpm = viafb_mode; + tmpc = strsep(&tmpm, "x"); + strict_strtoul(tmpc, 0, (unsigned long *)&default_xres); + strict_strtoul(tmpm, 0, (unsigned long *)&default_yres); + + vmode_index = viafb_get_mode_index(default_xres, default_yres, 0); + DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index); + + if (viafb_SAMM_ON == 1) { + if (strcmp(viafb_mode, viafb_mode1)) { + tmpm_sec = viafb_mode1; + tmpc_sec = strsep(&tmpm_sec, "x"); + strict_strtoul(tmpc_sec, 0, + (unsigned long *)&viafb_second_xres); + strict_strtoul(tmpm_sec, 0, + (unsigned long *)&viafb_second_yres); + } else { + viafb_second_xres = default_xres; + viafb_second_yres = default_yres; + } + if (0 == viafb_second_virtual_xres) { + switch (viafb_second_xres) { + case 1400: + viafb_second_virtual_xres = 1408; + break; + default: + viafb_second_virtual_xres = viafb_second_xres; + break; + } + } + if (0 == viafb_second_virtual_yres) + viafb_second_virtual_yres = viafb_second_yres; + } + + switch (viafb_bpp) { + case 0 ... 8: + viafb_bpp = 8; + break; + case 9 ... 16: + viafb_bpp = 16; + break; + case 17 ... 32: + viafb_bpp = 32; + break; + default: + viafb_bpp = 8; + } + default_var.xres = default_xres; + default_var.yres = default_yres; + switch (default_xres) { + case 1400: + default_var.xres_virtual = 1408; + break; + default: + default_var.xres_virtual = default_xres; + break; + } + default_var.yres_virtual = default_yres; + default_var.bits_per_pixel = viafb_bpp; + if (default_var.bits_per_pixel == 15) + default_var.bits_per_pixel = 16; + default_var.pixclock = + viafb_get_pixclock(default_xres, default_yres, viafb_refresh); + default_var.left_margin = (default_xres >> 3) & 0xf8; + default_var.right_margin = 32; + default_var.upper_margin = 16; + default_var.lower_margin = 4; + default_var.hsync_len = default_var.left_margin; + default_var.vsync_len = 4; + default_var.accel_flags = 0; + + if (viafb_accel) { + viafbinfo->flags |= + (FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT | + FBINFO_HWACCEL_IMAGEBLIT); + default_var.accel_flags |= FB_ACCELF_TEXT; + } else + viafbinfo->flags |= FBINFO_HWACCEL_DISABLED; + + if (viafb_dual_fb) { + viafbinfo1 = framebuffer_alloc(viafb_par_length, NULL); + if (!viafbinfo1) { + printk(KERN_ERR + "allocate the second framebuffer struct error\n"); + framebuffer_release(viafbinfo); + return -ENOMEM; + } + viaparinfo1 = viafbinfo1->par; + memcpy(viaparinfo1, viaparinfo, viafb_par_length); + viaparinfo1->memsize = viaparinfo->memsize - + viafb_second_offset; + viaparinfo->memsize = viafb_second_offset; + viaparinfo1->fbmem_virt = viaparinfo->fbmem_virt + + viafb_second_offset; + viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset; + + viaparinfo1->fbmem_used = viaparinfo->fbmem_used; + viaparinfo1->fbmem_free = viaparinfo1->memsize - + viaparinfo1->fbmem_used; + viaparinfo->fbmem_free = viaparinfo->memsize; + viaparinfo->fbmem_used = 0; + if (viafb_accel) { + viaparinfo1->cursor_start = + viaparinfo->cursor_start - viafb_second_offset; + viaparinfo1->VQ_start = viaparinfo->VQ_start - + viafb_second_offset; + viaparinfo1->VQ_end = viaparinfo->VQ_end - + viafb_second_offset; + } + + memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info)); + viafbinfo1->screen_base = viafbinfo->screen_base + + viafb_second_offset; + viafbinfo1->fix.smem_start = viaparinfo1->fbmem; + viafbinfo1->fix.smem_len = viaparinfo1->fbmem_free; + + default_var.xres = viafb_second_xres; + default_var.yres = viafb_second_yres; + default_var.xres_virtual = viafb_second_virtual_xres; + default_var.yres_virtual = viafb_second_virtual_yres; + if (viafb_bpp1 != viafb_bpp) + viafb_bpp1 = viafb_bpp; + default_var.bits_per_pixel = viafb_bpp1; + default_var.pixclock = + viafb_get_pixclock(viafb_second_xres, viafb_second_yres, + viafb_refresh); + default_var.left_margin = (viafb_second_xres >> 3) & 0xf8; + default_var.right_margin = 32; + default_var.upper_margin = 16; + default_var.lower_margin = 4; + default_var.hsync_len = default_var.left_margin; + default_var.vsync_len = 4; + + viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); + viafb_check_var(&default_var, viafbinfo1); + viafbinfo1->var = default_var; + viafb_update_viafb_par(viafbinfo); + viafb_update_fix(&viafbinfo1->fix, viafbinfo1); + } + + viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); + viafb_check_var(&default_var, viafbinfo); + viafbinfo->var = default_var; + viafb_update_viafb_par(viafbinfo); + viafb_update_fix(&viafbinfo->fix, viafbinfo); + default_var.activate = FB_ACTIVATE_NOW; + fb_alloc_cmap(&viafbinfo->cmap, 256, 0); + + if (viafb_dual_fb && (viafb_primary_dev == LCD_Device) + && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) { + if (register_framebuffer(viafbinfo1) < 0) + return -EINVAL; + } + if (register_framebuffer(viafbinfo) < 0) + return -EINVAL; + + if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device) + || (viaparinfo->chip_info->gfx_chip_name != + UNICHROME_CLE266))) { + if (register_framebuffer(viafbinfo1) < 0) + return -EINVAL; + } + DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n", + viafbinfo->node, viafbinfo->fix.id, default_var.xres, + default_var.yres, default_var.bits_per_pixel); + + viafb_init_proc(viaparinfo->proc_entry); + viafb_init_dac(IGA2); + return 0; +} + +static void __devexit via_pci_remove(void) +{ + DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); + fb_dealloc_cmap(&viafbinfo->cmap); + unregister_framebuffer(viafbinfo); + if (viafb_dual_fb) + unregister_framebuffer(viafbinfo1); + iounmap((void *)viaparinfo->fbmem_virt); + iounmap(viaparinfo->io_virt); + + viafb_delete_i2c_buss(viaparinfo); + + framebuffer_release(viafbinfo); + if (viafb_dual_fb) + framebuffer_release(viafbinfo1); + + viafb_remove_proc(viaparinfo->proc_entry); +} + +#ifndef MODULE +static int __init viafb_setup(char *options) +{ + char *this_opt; + DEBUG_MSG(KERN_INFO "viafb_setup!\n"); + + if (!options || !*options) + return 0; + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!*this_opt) + continue; + + if (!strncmp(this_opt, "viafb_mode1=", 12)) + viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL); + else if (!strncmp(this_opt, "viafb_mode=", 11)) + viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL); + else if (!strncmp(this_opt, "viafb_bpp1=", 11)) + strict_strtoul(this_opt + 11, 0, + (unsigned long *)&viafb_bpp1); + else if (!strncmp(this_opt, "viafb_bpp=", 10)) + strict_strtoul(this_opt + 10, 0, + (unsigned long *)&viafb_bpp); + else if (!strncmp(this_opt, "viafb_refresh1=", 15)) + strict_strtoul(this_opt + 15, 0, + (unsigned long *)&viafb_refresh1); + else if (!strncmp(this_opt, "viafb_refresh=", 14)) + strict_strtoul(this_opt + 14, 0, + (unsigned long *)&viafb_refresh); + else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) + strict_strtoul(this_opt + 21, 0, + (unsigned long *)&viafb_lcd_dsp_method); + else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) + strict_strtoul(this_opt + 19, 0, + (unsigned long *)&viafb_lcd_panel_id); + else if (!strncmp(this_opt, "viafb_accel=", 12)) + strict_strtoul(this_opt + 12, 0, + (unsigned long *)&viafb_accel); + else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) + strict_strtoul(this_opt + 14, 0, + (unsigned long *)&viafb_SAMM_ON); + else if (!strncmp(this_opt, "viafb_active_dev=", 17)) + viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL); + else if (!strncmp(this_opt, + "viafb_display_hardware_layout=", 30)) + strict_strtoul(this_opt + 30, 0, + (unsigned long *)&viafb_display_hardware_layout); + else if (!strncmp(this_opt, "viafb_second_size=", 18)) + strict_strtoul(this_opt + 18, 0, + (unsigned long *)&viafb_second_size); + else if (!strncmp(this_opt, + "viafb_platform_epia_dvi=", 24)) + strict_strtoul(this_opt + 24, 0, + (unsigned long *)&viafb_platform_epia_dvi); + else if (!strncmp(this_opt, + "viafb_device_lcd_dualedge=", 26)) + strict_strtoul(this_opt + 26, 0, + (unsigned long *)&viafb_device_lcd_dualedge); + else if (!strncmp(this_opt, "viafb_bus_width=", 16)) + strict_strtoul(this_opt + 16, 0, + (unsigned long *)&viafb_bus_width); + else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) + strict_strtoul(this_opt + 15, 0, + (unsigned long *)&viafb_lcd_mode); + else if (!strncmp(this_opt, "viafb_video_dev=", 16)) + viafb_video_dev = kstrdup(this_opt + 16, GFP_KERNEL); + else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) + viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL); + else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) + viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL); + } + return 0; +} +#endif + +static int __init viafb_init(void) +{ +#ifndef MODULE + char *option = NULL; + if (fb_get_options("viafb", &option)) + return -ENODEV; + viafb_setup(option); +#endif + printk(KERN_INFO + "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n", + VERSION_MAJOR, VERSION_MINOR); + return via_pci_probe(); +} + +static void __exit viafb_exit(void) +{ + DEBUG_MSG(KERN_INFO "viafb_exit!\n"); + via_pci_remove(); +} + +static struct fb_ops viafb_ops = { + .owner = THIS_MODULE, + .fb_open = viafb_open, + .fb_release = viafb_release, + .fb_check_var = viafb_check_var, + .fb_set_par = viafb_set_par, + .fb_setcolreg = viafb_setcolreg, + .fb_pan_display = viafb_pan_display, + .fb_blank = viafb_blank, + .fb_fillrect = viafb_fillrect, + .fb_copyarea = viafb_copyarea, + .fb_imageblit = viafb_imageblit, + .fb_cursor = viafb_cursor, + .fb_ioctl = viafb_ioctl, + .fb_sync = viafb_sync, + .fb_setcmap = viafb_setcmap, +}; + +module_init(viafb_init); +module_exit(viafb_exit); + +#ifdef MODULE +module_param(viafb_memsize, int, 0); + +module_param(viafb_mode, charp, 0); +MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)"); + +module_param(viafb_mode1, charp, 0); +MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)"); + +module_param(viafb_bpp, int, 0); +MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)"); + +module_param(viafb_bpp1, int, 0); +MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)"); + +module_param(viafb_refresh, int, 0); +MODULE_PARM_DESC(viafb_refresh, + "Set CRT viafb_refresh rate (default = 60)"); + +module_param(viafb_refresh1, int, 0); +MODULE_PARM_DESC(viafb_refresh1, + "Set CRT refresh rate (default = 60)"); + +module_param(viafb_lcd_panel_id, int, 0); +MODULE_PARM_DESC(viafb_lcd_panel_id, + "Set Flat Panel type(Default=1024x768)"); + +module_param(viafb_lcd_dsp_method, int, 0); +MODULE_PARM_DESC(viafb_lcd_dsp_method, + "Set Flat Panel display scaling method.(Default=Expandsion)"); + +module_param(viafb_SAMM_ON, int, 0); +MODULE_PARM_DESC(viafb_SAMM_ON, + "Turn on/off flag of SAMM(Default=OFF)"); + +module_param(viafb_accel, int, 0); +MODULE_PARM_DESC(viafb_accel, + "Set 2D Hardware Acceleration.(Default = OFF)"); + +module_param(viafb_active_dev, charp, 0); +MODULE_PARM_DESC(viafb_active_dev, "Specify active devices."); + +module_param(viafb_display_hardware_layout, int, 0); +MODULE_PARM_DESC(viafb_display_hardware_layout, + "Display Hardware Layout (LCD Only, DVI Only...,etc)"); + +module_param(viafb_second_size, int, 0); +MODULE_PARM_DESC(viafb_second_size, + "Set secondary device memory size"); + +module_param(viafb_dual_fb, int, 0); +MODULE_PARM_DESC(viafb_dual_fb, + "Turn on/off flag of dual framebuffer devices.(Default = OFF)"); + +module_param(viafb_platform_epia_dvi, int, 0); +MODULE_PARM_DESC(viafb_platform_epia_dvi, + "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)"); + +module_param(viafb_device_lcd_dualedge, int, 0); +MODULE_PARM_DESC(viafb_device_lcd_dualedge, + "Turn on/off flag of dual edge panel.(Default = OFF)"); + +module_param(viafb_bus_width, int, 0); +MODULE_PARM_DESC(viafb_bus_width, + "Set bus width of panel.(Default = 12)"); + +module_param(viafb_lcd_mode, int, 0); +MODULE_PARM_DESC(viafb_lcd_mode, + "Set Flat Panel mode(Default=OPENLDI)"); + +module_param(viafb_video_dev, charp, 0); +MODULE_PARM_DESC(viafb_video_dev, "Specify video devices."); + +module_param(viafb_lcd_port, charp, 0); +MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port."); + +module_param(viafb_dvi_port, charp, 0); +MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port."); + +MODULE_LICENSE("GPL"); +#endif diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h new file mode 100644 index 000000000000..a4158e872878 --- /dev/null +++ b/drivers/video/via/viafbdev.h @@ -0,0 +1,112 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __VIAFBDEV_H__ +#define __VIAFBDEV_H__ + +#include +#include + +#include "ioctl.h" +#include "share.h" +#include "chip.h" +#include "hw.h" +#include "via_i2c.h" + +#define VERSION_MAJOR 2 +#define VERSION_KERNEL 6 /* For kernel 2.6 */ + +#define VERSION_OS 0 /* 0: for 32 bits OS, 1: for 64 bits OS */ +#define VERSION_MINOR 4 + +struct viafb_par { + int bpp; + int hres; + int vres; + int linelength; + u32 xoffset; + u32 yoffset; + + void __iomem *fbmem_virt; /*framebuffer virtual memory address */ + void __iomem *io_virt; /*iospace virtual memory address */ + unsigned int fbmem; /*framebuffer physical memory address */ + unsigned int memsize; /*size of fbmem */ + unsigned int io; /*io space address */ + unsigned long mmio_base; /*mmio base address */ + unsigned long mmio_len; /*mmio base length */ + u32 fbmem_free; /* Free FB memory */ + u32 fbmem_used; /* Use FB memory size */ + u32 cursor_start; /* Cursor Start Address */ + u32 VQ_start; /* Virtual Queue Start Address */ + u32 VQ_end; /* Virtual Queue End Address */ + u32 iga_path; + struct proc_dir_entry *proc_entry; /*viafb proc entry */ + u8 duoview; /*Is working in duoview mode? */ + + /* I2C stuff */ + struct via_i2c_stuff i2c_stuff; + + /* All the information will be needed to set engine */ + struct tmds_setting_information *tmds_setting_info; + struct crt_setting_information *crt_setting_info; + struct lvds_setting_information *lvds_setting_info; + struct lvds_setting_information *lvds_setting_info2; + struct chip_information *chip_info; + + /* some information related to video playing */ + int video_on_crt; + int video_on_dvi; + int video_on_lcd; + +}; +struct viafb_modeinfo { + u32 xres; + u32 yres; + int mode_index; + char *mode_res; +}; +extern unsigned int viafb_second_virtual_yres; +extern unsigned int viafb_second_virtual_xres; +extern unsigned int viafb_second_offset; +extern int viafb_second_size; +extern int viafb_SAMM_ON; +extern int viafb_dual_fb; +extern int viafb_LCD2_ON; +extern int viafb_LCD_ON; +extern int viafb_DVI_ON; +extern int viafb_accel; +extern int viafb_hotplug; +extern int viafb_memsize; + +extern int strict_strtoul(const char *cp, unsigned int base, + unsigned long *res); + +void viafb_memory_pitch_patch(struct fb_info *info); +void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh, + int mode_index); +int viafb_get_mode_index(int hres, int vres, int flag); +u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information + *plvds_chip_info, u8 index); +void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information + *plvds_chip_info, struct IODATA io_data); +#endif /* __VIAFBDEV_H__ */ -- GitLab From b3a45d8e5d9049c3a47b3f97405b4123bef5155b Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:29 -0700 Subject: [PATCH 5456/6244] viafb: viafbdev.c (update) Remove the macro MMIO_OUT32, and replace it with writel() function. And replace "u32" with "unsigned long" in writel() function (original MMIO_OUT32 marco) for avoiding warning message in 64bit OS. Signed-off-by: Joseph Chan Acked-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/viafbdev.c | 110 ++++++++++++++++++----------------- 1 file changed, 57 insertions(+), 53 deletions(-) diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index ba8ce61140c9..0132eae06f55 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -896,30 +896,32 @@ static void viafb_fillrect(struct fb_info *info, } /* BitBlt Source Address */ - MMIO_OUT32(VIA_REG_SRCPOS, 0x0); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); /* Source Base Address */ - MMIO_OUT32(VIA_REG_SRCBASE, 0x0); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); /* Destination Base Address */ - /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ - MMIO_OUT32(VIA_REG_DSTBASE, - ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); /* Pitch */ pitch = (info->var.xres_virtual + 7) & ~7; - MMIO_OUT32(VIA_REG_PITCH, - VIA_PITCH_ENABLE | + writel(VIA_PITCH_ENABLE | (((pitch * info->var.bits_per_pixel >> 3) >> 3) | (((pitch * info-> - var.bits_per_pixel >> 3) >> 3) << 16))); + var.bits_per_pixel >> 3) >> 3) << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); /* BitBlt Destination Address */ - MMIO_OUT32(VIA_REG_DSTPOS, ((rect->dy << 16) | rect->dx)); + writel(((rect->dy << 16) | rect->dx), + viaparinfo->io_virt + VIA_REG_DSTPOS); /* Dimension: width & height */ - MMIO_OUT32(VIA_REG_DIMENSION, - (((rect->height - 1) << 16) | (rect->width - 1))); + writel((((rect->height - 1) << 16) | (rect->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); /* Forground color or Destination color */ - MMIO_OUT32(VIA_REG_FGCOLOR, col); + writel(col, viaparinfo->io_virt + VIA_REG_FGCOLOR); /* GE Command */ - MMIO_OUT32(VIA_REG_GECMD, (0x01 | 0x2000 | (rop << 24))); + writel((0x01 | 0x2000 | (rop << 24)), + viaparinfo->io_virt + VIA_REG_GECMD); } @@ -951,33 +953,34 @@ static void viafb_copyarea(struct fb_info *info, } /* Source Base Address */ - /*MMIO_OUT32(VIA_REG_SRCBASE, 0x0); */ - MMIO_OUT32(VIA_REG_SRCBASE, - ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_SRCBASE); /* Destination Base Address */ - /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ - MMIO_OUT32(VIA_REG_DSTBASE, - ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); /* Pitch */ pitch = (info->var.xres_virtual + 7) & ~7; /* VIA_PITCH_ENABLE can be omitted now. */ - MMIO_OUT32(VIA_REG_PITCH, - VIA_PITCH_ENABLE | + writel(VIA_PITCH_ENABLE | (((pitch * info->var.bits_per_pixel >> 3) >> 3) | (((pitch * info->var. bits_per_pixel >> 3) >> 3) - << 16))); + << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); /* BitBlt Source Address */ - MMIO_OUT32(VIA_REG_SRCPOS, ((sy << 16) | sx)); + writel(((sy << 16) | sx), viaparinfo->io_virt + VIA_REG_SRCPOS); /* BitBlt Destination Address */ - MMIO_OUT32(VIA_REG_DSTPOS, ((dy << 16) | dx)); + writel(((dy << 16) | dx), viaparinfo->io_virt + VIA_REG_DSTPOS); /* Dimension: width & height */ - MMIO_OUT32(VIA_REG_DIMENSION, - (((area->height - 1) << 16) | (area->width - 1))); + writel((((area->height - 1) << 16) | (area->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); /* GE Command */ - MMIO_OUT32(VIA_REG_GECMD, (0x01 | direction | (0xCC << 24))); + writel((0x01 | direction | (0xCC << 24)), + viaparinfo->io_virt + VIA_REG_GECMD); } @@ -1010,37 +1013,38 @@ static void viafb_imageblit(struct fb_info *info, size = image->width * image->height; /* Source Base Address */ - MMIO_OUT32(VIA_REG_SRCBASE, 0x0); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCBASE); /* Destination Base Address */ - /*MMIO_OUT32(VIA_REG_DSTBASE, 0x0); */ - MMIO_OUT32(VIA_REG_DSTBASE, - ((u32) (info->screen_base) - (u32) viafb_FB_MM) >> 3); + writel(((unsigned long) (info->screen_base) - + (unsigned long) viafb_FB_MM) >> 3, + viaparinfo->io_virt + VIA_REG_DSTBASE); /* Pitch */ pitch = (info->var.xres_virtual + 7) & ~7; - MMIO_OUT32(VIA_REG_PITCH, - VIA_PITCH_ENABLE | + writel(VIA_PITCH_ENABLE | (((pitch * info->var.bits_per_pixel >> 3) >> 3) | (((pitch * info->var. bits_per_pixel >> 3) >> 3) - << 16))); + << 16)), + viaparinfo->io_virt + VIA_REG_PITCH); /* BitBlt Source Address */ - MMIO_OUT32(VIA_REG_SRCPOS, 0x0); + writel(0x0, viaparinfo->io_virt + VIA_REG_SRCPOS); /* BitBlt Destination Address */ - MMIO_OUT32(VIA_REG_DSTPOS, ((image->dy << 16) | image->dx)); + writel(((image->dy << 16) | image->dx), + viaparinfo->io_virt + VIA_REG_DSTPOS); /* Dimension: width & height */ - MMIO_OUT32(VIA_REG_DIMENSION, - (((image->height - 1) << 16) | (image->width - 1))); + writel((((image->height - 1) << 16) | (image->width - 1)), + viaparinfo->io_virt + VIA_REG_DIMENSION); /* fb color */ - MMIO_OUT32(VIA_REG_FGCOLOR, fg_col); + writel(fg_col, viaparinfo->io_virt + VIA_REG_FGCOLOR); /* bg color */ - MMIO_OUT32(VIA_REG_BGCOLOR, bg_col); + writel(bg_col, viaparinfo->io_virt + VIA_REG_BGCOLOR); /* GE Command */ - MMIO_OUT32(VIA_REG_GECMD, 0xCC020142); + writel(0xCC020142, viaparinfo->io_virt + VIA_REG_GECMD); for (i = 0; i < size / 4; i++) { - MMIO_OUT32(VIA_MMIO_BLTBASE, *udata); + writel(*udata, viaparinfo->io_virt + VIA_MMIO_BLTBASE); udata++; } @@ -1080,7 +1084,7 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) if (cursor->set & FB_CUR_SETHOT) { viacursor.hot = cursor->hot; temp = ((viacursor.hot.x) << 16) + viacursor.hot.y; - MMIO_OUT32(VIA_REG_CURSOR_ORG, temp); + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_ORG); } if (cursor->set & FB_CUR_SETPOS) { @@ -1090,11 +1094,11 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) xx = cursor->image.dx - info->var.xoffset; temp = yy & 0xFFFF; temp |= (xx << 16); - MMIO_OUT32(VIA_REG_CURSOR_POS, temp); + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_POS); } if (cursor->set & FB_CUR_SETSIZE) { - temp = MMIO_IN32(VIA_REG_CURSOR_MODE); + temp = readl(viaparinfo->io_virt + VIA_REG_CURSOR_MODE); if ((cursor->image.width <= 32) && (cursor->image.height <= 32)) { @@ -1109,7 +1113,7 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) "The cursor image is biger than 64x64 bits...\n"); return -ENXIO; } - MMIO_OUT32(VIA_REG_CURSOR_MODE, temp); + writel(temp, viaparinfo->io_virt + VIA_REG_CURSOR_MODE); viacursor.image.height = cursor->image.height; viacursor.image.width = cursor->image.width; @@ -1169,8 +1173,8 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) 0xFFC0) >> 6); } - MMIO_OUT32(VIA_REG_CURSOR_BG, bg_col); - MMIO_OUT32(VIA_REG_CURSOR_FG, fg_col); + writel(bg_col, viaparinfo->io_virt + VIA_REG_CURSOR_BG); + writel(fg_col, viaparinfo->io_virt + VIA_REG_CURSOR_FG); } if (cursor->set & FB_CUR_SETSHAPE) { @@ -2116,15 +2120,15 @@ static int __devinit via_pci_probe(void) viaparinfo = (struct viafb_par *)viafbinfo->par; viaparinfo->tmds_setting_info = (struct tmds_setting_information *) - ((u32)viaparinfo + viafb_par_length); + ((unsigned long)viaparinfo + viafb_par_length); viaparinfo->lvds_setting_info = (struct lvds_setting_information *) - ((u32)viaparinfo->tmds_setting_info + tmds_length); + ((unsigned long)viaparinfo->tmds_setting_info + tmds_length); viaparinfo->lvds_setting_info2 = (struct lvds_setting_information *) - ((u32)viaparinfo->lvds_setting_info + lvds_length); + ((unsigned long)viaparinfo->lvds_setting_info + lvds_length); viaparinfo->crt_setting_info = (struct crt_setting_information *) - ((u32)viaparinfo->lvds_setting_info2 + lvds_length); + ((unsigned long)viaparinfo->lvds_setting_info2 + lvds_length); viaparinfo->chip_info = (struct chip_information *) - ((u32)viaparinfo->crt_setting_info + crt_length); + ((unsigned long)viaparinfo->crt_setting_info + crt_length); if (viafb_dual_fb) viafb_SAMM_ON = 1; -- GitLab From 9f291634aa2d79dee2d8a61c5bdffe166001c580 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:29 -0700 Subject: [PATCH 5457/6244] viafb: via_i2c.c, via_i2c.h, viamode.c, viamode.h via_i2c.c, via_i2c.h: Implement i2c specification. viamode.c, viamode.c: all support modes information. Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/via_i2c.c | 177 ++++++ drivers/video/via/via_i2c.h | 46 ++ drivers/video/via/viamode.c | 1086 +++++++++++++++++++++++++++++++++++ drivers/video/via/viamode.h | 177 ++++++ 4 files changed, 1486 insertions(+) create mode 100644 drivers/video/via/via_i2c.c create mode 100644 drivers/video/via/via_i2c.h create mode 100644 drivers/video/via/viamode.c create mode 100644 drivers/video/via/viamode.h diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c new file mode 100644 index 000000000000..0f3ed4eb236d --- /dev/null +++ b/drivers/video/via/via_i2c.c @@ -0,0 +1,177 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +static void via_i2c_setscl(void *data, int state) +{ + u8 val; + struct via_i2c_stuff *via_i2c_chan = (struct via_i2c_stuff *)data; + + val = viafb_read_reg(VIASR, via_i2c_chan->i2c_port) & 0xF0; + if (state) + val |= 0x20; + else + val &= ~0x20; + switch (via_i2c_chan->i2c_port) { + case I2CPORTINDEX: + val |= 0x01; + break; + case GPIOPORTINDEX: + val |= 0x80; + break; + default: + DEBUG_MSG("via_i2c: specify wrong i2c port.\n"); + } + viafb_write_reg(via_i2c_chan->i2c_port, VIASR, val); +} + +static int via_i2c_getscl(void *data) +{ + struct via_i2c_stuff *via_i2c_chan = (struct via_i2c_stuff *)data; + + if (viafb_read_reg(VIASR, via_i2c_chan->i2c_port) & 0x08) + return 1; + return 0; +} + +static int via_i2c_getsda(void *data) +{ + struct via_i2c_stuff *via_i2c_chan = (struct via_i2c_stuff *)data; + + if (viafb_read_reg(VIASR, via_i2c_chan->i2c_port) & 0x04) + return 1; + return 0; +} + +static void via_i2c_setsda(void *data, int state) +{ + u8 val; + struct via_i2c_stuff *via_i2c_chan = (struct via_i2c_stuff *)data; + + val = viafb_read_reg(VIASR, via_i2c_chan->i2c_port) & 0xF0; + if (state) + val |= 0x10; + else + val &= ~0x10; + switch (via_i2c_chan->i2c_port) { + case I2CPORTINDEX: + val |= 0x01; + break; + case GPIOPORTINDEX: + val |= 0x40; + break; + default: + DEBUG_MSG("via_i2c: specify wrong i2c port.\n"); + } + viafb_write_reg(via_i2c_chan->i2c_port, VIASR, val); +} + +int viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata) +{ + u8 mm1[] = {0x00}; + struct i2c_msg msgs[2]; + + *pdata = 0; + msgs[0].flags = 0; + msgs[1].flags = I2C_M_RD; + msgs[0].addr = msgs[1].addr = slave_addr / 2; + mm1[0] = index; + msgs[0].len = 1; msgs[1].len = 1; + msgs[0].buf = mm1; msgs[1].buf = pdata; + i2c_transfer(&viaparinfo->i2c_stuff.adapter, msgs, 2); + + return 0; +} + +int viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data) +{ + u8 msg[2] = { index, data }; + struct i2c_msg msgs; + + msgs.flags = 0; + msgs.addr = slave_addr / 2; + msgs.len = 2; + msgs.buf = msg; + return i2c_transfer(&viaparinfo->i2c_stuff.adapter, &msgs, 1); +} + +int viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len) +{ + u8 mm1[] = {0x00}; + struct i2c_msg msgs[2]; + + msgs[0].flags = 0; + msgs[1].flags = I2C_M_RD; + msgs[0].addr = msgs[1].addr = slave_addr / 2; + mm1[0] = index; + msgs[0].len = 1; msgs[1].len = buff_len; + msgs[0].buf = mm1; msgs[1].buf = buff; + i2c_transfer(&viaparinfo->i2c_stuff.adapter, msgs, 2); + return 0; +} + +int viafb_create_i2c_bus(void *viapar) +{ + int ret; + struct viafb_par *par = (struct viafb_par *)viapar; + + strcpy(par->i2c_stuff.adapter.name, "via_i2c"); + par->i2c_stuff.i2c_port = 0x0; + par->i2c_stuff.adapter.owner = THIS_MODULE; + par->i2c_stuff.adapter.id = 0x01FFFF; + par->i2c_stuff.adapter.class = 0; + par->i2c_stuff.adapter.algo_data = &par->i2c_stuff.algo; + par->i2c_stuff.adapter.dev.parent = NULL; + par->i2c_stuff.algo.setsda = via_i2c_setsda; + par->i2c_stuff.algo.setscl = via_i2c_setscl; + par->i2c_stuff.algo.getsda = via_i2c_getsda; + par->i2c_stuff.algo.getscl = via_i2c_getscl; + par->i2c_stuff.algo.udelay = 40; + par->i2c_stuff.algo.timeout = 20; + par->i2c_stuff.algo.data = &par->i2c_stuff; + + i2c_set_adapdata(&par->i2c_stuff.adapter, &par->i2c_stuff); + + /* Raise SCL and SDA */ + par->i2c_stuff.i2c_port = I2CPORTINDEX; + via_i2c_setsda(&par->i2c_stuff, 1); + via_i2c_setscl(&par->i2c_stuff, 1); + + par->i2c_stuff.i2c_port = GPIOPORTINDEX; + via_i2c_setsda(&par->i2c_stuff, 1); + via_i2c_setscl(&par->i2c_stuff, 1); + udelay(20); + + ret = i2c_bit_add_bus(&par->i2c_stuff.adapter); + if (ret == 0) + DEBUG_MSG("I2C bus %s registered.\n", + par->i2c_stuff.adapter.name); + else + DEBUG_MSG("Failed to register I2C bus %s.\n", + par->i2c_stuff.adapter.name); + return ret; +} + +void viafb_delete_i2c_buss(void *par) +{ + i2c_del_adapter(&((struct viafb_par *)par)->i2c_stuff.adapter); +} diff --git a/drivers/video/via/via_i2c.h b/drivers/video/via/via_i2c.h new file mode 100644 index 000000000000..3a13242a3152 --- /dev/null +++ b/drivers/video/via/via_i2c.h @@ -0,0 +1,46 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __VIA_I2C_H__ +#define __VIA_I2C_H__ + +#include +#include + +struct via_i2c_stuff { + u16 i2c_port; /* GPIO or I2C port */ + struct i2c_adapter adapter; + struct i2c_algo_bit_data algo; +}; + +#define I2CPORT 0x3c4 +#define I2CPORTINDEX 0x31 +#define GPIOPORT 0x3C4 +#define GPIOPORTINDEX 0x2C +#define I2C_BUS 1 +#define GPIO_BUS 2 +#define DELAYPORT 0x3C3 + +int viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata); +int viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data); +int viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len); +int viafb_create_i2c_bus(void *par); +void viafb_delete_i2c_buss(void *par); +#endif /* __VIA_I2C_H__ */ diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c new file mode 100644 index 000000000000..6dcf583a837d --- /dev/null +++ b/drivers/video/via/viamode.c @@ -0,0 +1,1086 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" +struct res_map_refresh res_map_refresh_tbl[] = { +/*hres, vres, vclock, vmode_refresh*/ + {480, 640, RES_480X640_60HZ_PIXCLOCK, 60}, + {640, 480, RES_640X480_60HZ_PIXCLOCK, 60}, + {640, 480, RES_640X480_75HZ_PIXCLOCK, 75}, + {640, 480, RES_640X480_85HZ_PIXCLOCK, 85}, + {640, 480, RES_640X480_100HZ_PIXCLOCK, 100}, + {640, 480, RES_640X480_120HZ_PIXCLOCK, 120}, + {720, 480, RES_720X480_60HZ_PIXCLOCK, 60}, + {720, 576, RES_720X576_60HZ_PIXCLOCK, 60}, + {800, 480, RES_800X480_60HZ_PIXCLOCK, 60}, + {800, 600, RES_800X600_60HZ_PIXCLOCK, 60}, + {800, 600, RES_800X600_75HZ_PIXCLOCK, 75}, + {800, 600, RES_800X600_85HZ_PIXCLOCK, 85}, + {800, 600, RES_800X600_100HZ_PIXCLOCK, 100}, + {800, 600, RES_800X600_120HZ_PIXCLOCK, 120}, + {848, 480, RES_848X480_60HZ_PIXCLOCK, 60}, + {856, 480, RES_856X480_60HZ_PIXCLOCK, 60}, + {1024, 512, RES_1024X512_60HZ_PIXCLOCK, 60}, + {1024, 600, RES_1024X600_60HZ_PIXCLOCK, 60}, + {1024, 768, RES_1024X768_60HZ_PIXCLOCK, 60}, + {1024, 768, RES_1024X768_75HZ_PIXCLOCK, 75}, + {1024, 768, RES_1024X768_85HZ_PIXCLOCK, 85}, + {1024, 768, RES_1024X768_100HZ_PIXCLOCK, 100}, +/* {1152,864, RES_1152X864_70HZ_PIXCLOCK, 70},*/ + {1152, 864, RES_1152X864_75HZ_PIXCLOCK, 75}, + {1280, 768, RES_1280X768_60HZ_PIXCLOCK, 60}, + {1280, 800, RES_1280X800_60HZ_PIXCLOCK, 60}, + {1280, 960, RES_1280X960_60HZ_PIXCLOCK, 60}, + {1280, 1024, RES_1280X1024_60HZ_PIXCLOCK, 60}, + {1280, 1024, RES_1280X1024_75HZ_PIXCLOCK, 75}, + {1280, 1024, RES_1280X768_85HZ_PIXCLOCK, 85}, + {1440, 1050, RES_1440X1050_60HZ_PIXCLOCK, 60}, + {1600, 1200, RES_1600X1200_60HZ_PIXCLOCK, 60}, + {1600, 1200, RES_1600X1200_75HZ_PIXCLOCK, 75}, + {1280, 720, RES_1280X720_60HZ_PIXCLOCK, 60}, + {1920, 1080, RES_1920X1080_60HZ_PIXCLOCK, 60}, + {1400, 1050, RES_1400X1050_60HZ_PIXCLOCK, 60}, + {1400, 1050, RES_1400X1050_75HZ_PIXCLOCK, 75}, + {1368, 768, RES_1368X768_60HZ_PIXCLOCK, 60}, + {960, 600, RES_960X600_60HZ_PIXCLOCK, 60}, + {1000, 600, RES_1000X600_60HZ_PIXCLOCK, 60}, + {1024, 576, RES_1024X576_60HZ_PIXCLOCK, 60}, + {1088, 612, RES_1088X612_60HZ_PIXCLOCK, 60}, + {1152, 720, RES_1152X720_60HZ_PIXCLOCK, 60}, + {1200, 720, RES_1200X720_60HZ_PIXCLOCK, 60}, + {1280, 600, RES_1280X600_60HZ_PIXCLOCK, 60}, + {1280, 720, RES_1280X720_50HZ_PIXCLOCK, 50}, + {1280, 768, RES_1280X768_50HZ_PIXCLOCK, 50}, + {1360, 768, RES_1360X768_60HZ_PIXCLOCK, 60}, + {1366, 768, RES_1366X768_50HZ_PIXCLOCK, 50}, + {1366, 768, RES_1366X768_60HZ_PIXCLOCK, 60}, + {1440, 900, RES_1440X900_60HZ_PIXCLOCK, 60}, + {1440, 900, RES_1440X900_75HZ_PIXCLOCK, 75}, + {1600, 900, RES_1600X900_60HZ_PIXCLOCK, 60}, + {1600, 1024, RES_1600X1024_60HZ_PIXCLOCK, 60}, + {1680, 1050, RES_1680X1050_60HZ_PIXCLOCK, 60}, + {1680, 1050, RES_1680X1050_75HZ_PIXCLOCK, 75}, + {1792, 1344, RES_1792X1344_60HZ_PIXCLOCK, 60}, + {1856, 1392, RES_1856X1392_60HZ_PIXCLOCK, 60}, + {1920, 1200, RES_1920X1200_60HZ_PIXCLOCK, 60}, + {1920, 1440, RES_1920X1440_60HZ_PIXCLOCK, 60}, + {1920, 1440, RES_1920X1440_75HZ_PIXCLOCK, 75}, + {2048, 1536, RES_2048X1536_60HZ_PIXCLOCK, 60} +}; + +struct io_reg CN400_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01}, +{VIASR, SR15, 0x02, 0x02}, +{VIASR, SR16, 0xBF, 0x08}, +{VIASR, SR17, 0xFF, 0x1F}, +{VIASR, SR18, 0xFF, 0x4E}, +{VIASR, SR1A, 0xFB, 0x08}, +{VIASR, SR1E, 0x0F, 0x01}, +{VIASR, SR2A, 0xFF, 0x00}, +{VIACR, CR0A, 0xFF, 0x1E}, /* Cursor Start */ +{VIACR, CR0B, 0xFF, 0x00}, /* Cursor End */ +{VIACR, CR0E, 0xFF, 0x00}, /* Cursor Location High */ +{VIACR, CR0F, 0xFF, 0x00}, /* Cursor Localtion Low */ +{VIACR, CR32, 0xFF, 0x00}, +{VIACR, CR33, 0xFF, 0x00}, +{VIACR, CR34, 0xFF, 0x00}, +{VIACR, CR35, 0xFF, 0x00}, +{VIACR, CR36, 0x08, 0x00}, +{VIACR, CR62, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR63, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR64, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR69, 0xFF, 0x00}, +{VIACR, CR6A, 0xFF, 0x40}, +{VIACR, CR6B, 0xFF, 0x00}, +{VIACR, CR6C, 0xFF, 0x00}, +{VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ +{VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ +{VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ +{VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ +{VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ +{VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ +{VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ +{VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ +{VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ +{VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ +{VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ +{VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ +{VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ +{VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ +{VIACR, CR88, 0xFF, 0x40}, /* LCD Panel Type */ +{VIACR, CR89, 0xFF, 0x00}, /* LCD Timing Control 0 */ +{VIACR, CR8A, 0xFF, 0x88}, /* LCD Timing Control 1 */ +{VIACR, CR8B, 0xFF, 0x69}, /* LCD Power Sequence Control 0 */ +{VIACR, CR8C, 0xFF, 0x57}, /* LCD Power Sequence Control 1 */ +{VIACR, CR8D, 0xFF, 0x00}, /* LCD Power Sequence Control 2 */ +{VIACR, CR8E, 0xFF, 0x7B}, /* LCD Power Sequence Control 3 */ +{VIACR, CR8F, 0xFF, 0x03}, /* LCD Power Sequence Control 4 */ +{VIACR, CR90, 0xFF, 0x30}, /* LCD Power Sequence Control 5 */ +{VIACR, CR91, 0xFF, 0xA0}, /* 24/12 bit LVDS Data off */ +{VIACR, CR96, 0xFF, 0x00}, +{VIACR, CR97, 0xFF, 0x00}, +{VIACR, CR99, 0xFF, 0x00}, +{VIACR, CR9B, 0xFF, 0x00} +}; + +/* Video Mode Table for VT3314 chipset*/ +/* Common Setting for Video Mode */ +struct io_reg CN700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01}, +{VIASR, SR15, 0x02, 0x02}, +{VIASR, SR16, 0xBF, 0x08}, +{VIASR, SR17, 0xFF, 0x1F}, +{VIASR, SR18, 0xFF, 0x4E}, +{VIASR, SR1A, 0xFB, 0x82}, +{VIASR, SR1B, 0xFF, 0xF0}, +{VIASR, SR1F, 0xFF, 0x00}, +{VIASR, SR1E, 0xFF, 0x01}, +{VIASR, SR22, 0xFF, 0x1F}, +{VIASR, SR2A, 0x0F, 0x00}, +{VIASR, SR2E, 0xFF, 0xFF}, +{VIASR, SR3F, 0xFF, 0xFF}, +{VIASR, SR40, 0xF7, 0x00}, +{VIASR, CR30, 0xFF, 0x04}, +{VIACR, CR32, 0xFF, 0x00}, +{VIACR, CR33, 0x7F, 0x00}, +{VIACR, CR34, 0xFF, 0x00}, +{VIACR, CR35, 0xFF, 0x00}, +{VIACR, CR36, 0xFF, 0x31}, +{VIACR, CR41, 0xFF, 0x80}, +{VIACR, CR42, 0xFF, 0x00}, +{VIACR, CR55, 0x80, 0x00}, +{VIACR, CR5D, 0x80, 0x00}, /*Horizontal Retrace Start bit[11] should be 0*/ +{VIACR, CR62, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR63, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR64, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR68, 0xFF, 0x67}, /* Default FIFO For IGA2 */ +{VIACR, CR69, 0xFF, 0x00}, +{VIACR, CR6A, 0xFD, 0x40}, +{VIACR, CR6B, 0xFF, 0x00}, +{VIACR, CR6C, 0xFF, 0x00}, +{VIACR, CR77, 0xFF, 0x00}, /* LCD scaling Factor */ +{VIACR, CR78, 0xFF, 0x00}, /* LCD scaling Factor */ +{VIACR, CR79, 0xFF, 0x00}, /* LCD scaling Factor */ +{VIACR, CR9F, 0x03, 0x00}, /* LCD scaling Factor */ +{VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ +{VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ +{VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ +{VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ +{VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ +{VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ +{VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ +{VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ +{VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ +{VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ +{VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ +{VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ +{VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ +{VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ +{VIACR, CR88, 0xFF, 0x40}, /* LCD Panel Type */ +{VIACR, CR89, 0xFF, 0x00}, /* LCD Timing Control 0 */ +{VIACR, CR8A, 0xFF, 0x88}, /* LCD Timing Control 1 */ +{VIACR, CR8B, 0xFF, 0x5D}, /* LCD Power Sequence Control 0 */ +{VIACR, CR8C, 0xFF, 0x2B}, /* LCD Power Sequence Control 1 */ +{VIACR, CR8D, 0xFF, 0x6F}, /* LCD Power Sequence Control 2 */ +{VIACR, CR8E, 0xFF, 0x2B}, /* LCD Power Sequence Control 3 */ +{VIACR, CR8F, 0xFF, 0x01}, /* LCD Power Sequence Control 4 */ +{VIACR, CR90, 0xFF, 0x01}, /* LCD Power Sequence Control 5 */ +{VIACR, CR91, 0xFF, 0xA0}, /* 24/12 bit LVDS Data off */ +{VIACR, CR96, 0xFF, 0x00}, +{VIACR, CR97, 0xFF, 0x00}, +{VIACR, CR99, 0xFF, 0x00}, +{VIACR, CR9B, 0xFF, 0x00}, +{VIACR, CR9D, 0xFF, 0x80}, +{VIACR, CR9E, 0xFF, 0x80} +}; + +struct io_reg KM400_ModeXregs[] = { + {VIASR, SR10, 0xFF, 0x01}, /* Unlock Register */ + {VIASR, SR16, 0xFF, 0x08}, /* Display FIFO threshold Control */ + {VIASR, SR17, 0xFF, 0x1F}, /* Display FIFO Control */ + {VIASR, SR18, 0xFF, 0x4E}, /* GFX PREQ threshold */ + {VIASR, SR1A, 0xFF, 0x0a}, /* GFX PREQ threshold */ + {VIASR, SR1F, 0xFF, 0x00}, /* Memory Control 0 */ + {VIASR, SR1B, 0xFF, 0xF0}, /* Power Management Control 0 */ + {VIASR, SR1E, 0xFF, 0x01}, /* Power Management Control */ + {VIASR, SR20, 0xFF, 0x00}, /* Sequencer Arbiter Control 0 */ + {VIASR, SR21, 0xFF, 0x00}, /* Sequencer Arbiter Control 1 */ + {VIASR, SR22, 0xFF, 0x1F}, /* Display Arbiter Control 1 */ + {VIASR, SR2A, 0xFF, 0x00}, /* Power Management Control 5 */ + {VIASR, SR2D, 0xFF, 0xFF}, /* Power Management Control 1 */ + {VIASR, SR2E, 0xFF, 0xFF}, /* Power Management Control 2 */ + {VIACR, CR0A, 0xFF, 0x1E}, /* Cursor Start */ + {VIACR, CR0B, 0xFF, 0x00}, /* Cursor End */ + {VIACR, CR0E, 0xFF, 0x00}, /* Cursor Location High */ + {VIACR, CR0F, 0xFF, 0x00}, /* Cursor Localtion Low */ + {VIACR, CR33, 0xFF, 0x00}, + {VIACR, CR55, 0x80, 0x00}, + {VIACR, CR5D, 0x80, 0x00}, + {VIACR, CR36, 0xFF, 0x01}, /* Power Mangement 3 */ + {VIACR, CR62, 0xFF, 0x00}, /* Secondary Display Starting Address */ + {VIACR, CR63, 0xFF, 0x00}, /* Secondary Display Starting Address */ + {VIACR, CR64, 0xFF, 0x00}, /* Secondary Display Starting Address */ + {VIACR, CR68, 0xFF, 0x67}, /* Default FIFO For IGA2 */ + {VIACR, CR6A, 0x20, 0x20}, /* Extended FIFO On */ + {VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ + {VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ + {VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ + {VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ + {VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ + {VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ + {VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ + {VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ + {VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ + {VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ + {VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ + {VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ + {VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ + {VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ + {VIACR, CR88, 0xFF, 0x40}, /* LCD Panel Type */ + {VIACR, CR89, 0xFF, 0x00}, /* LCD Timing Control 0 */ + {VIACR, CR8A, 0xFF, 0x88}, /* LCD Timing Control 1 */ + {VIACR, CR8B, 0xFF, 0x2D}, /* LCD Power Sequence Control 0 */ + {VIACR, CR8C, 0xFF, 0x2D}, /* LCD Power Sequence Control 1 */ + {VIACR, CR8D, 0xFF, 0xC8}, /* LCD Power Sequence Control 2 */ + {VIACR, CR8E, 0xFF, 0x36}, /* LCD Power Sequence Control 3 */ + {VIACR, CR8F, 0xFF, 0x00}, /* LCD Power Sequence Control 4 */ + {VIACR, CR90, 0xFF, 0x10}, /* LCD Power Sequence Control 5 */ + {VIACR, CR91, 0xFF, 0xA0}, /* 24/12 bit LVDS Data off */ + {VIACR, CR96, 0xFF, 0x03}, /* DVP0 ; DVP0 Clock Skew */ + {VIACR, CR97, 0xFF, 0x03}, /* DFP high ; DFPH Clock Skew */ + {VIACR, CR99, 0xFF, 0x03}, /* DFP low ; DFPL Clock Skew*/ + {VIACR, CR9B, 0xFF, 0x07} /* DVI on DVP1 ; DVP1 Clock Skew*/ +}; + +/* For VT3324: Common Setting for Video Mode */ +struct io_reg CX700_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01}, +{VIASR, SR15, 0x02, 0x02}, +{VIASR, SR16, 0xBF, 0x08}, +{VIASR, SR17, 0xFF, 0x1F}, +{VIASR, SR18, 0xFF, 0x4E}, +{VIASR, SR1A, 0xFB, 0x08}, +{VIASR, SR1B, 0xFF, 0xF0}, +{VIASR, SR1E, 0xFF, 0x01}, +{VIASR, SR2A, 0xFF, 0x00}, +{VIASR, SR2D, 0xFF, 0xFF}, /* VCK and LCK PLL power on. */ +{VIACR, CR0A, 0xFF, 0x1E}, /* Cursor Start */ +{VIACR, CR0B, 0xFF, 0x00}, /* Cursor End */ +{VIACR, CR0E, 0xFF, 0x00}, /* Cursor Location High */ +{VIACR, CR0F, 0xFF, 0x00}, /* Cursor Localtion Low */ +{VIACR, CR32, 0xFF, 0x00}, +{VIACR, CR33, 0xFF, 0x00}, +{VIACR, CR34, 0xFF, 0x00}, +{VIACR, CR35, 0xFF, 0x00}, +{VIACR, CR36, 0x08, 0x00}, +{VIACR, CR47, 0xC8, 0x00}, /* Clear VCK Plus. */ +{VIACR, CR62, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR63, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR64, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CRA3, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR69, 0xFF, 0x00}, +{VIACR, CR6A, 0xFF, 0x40}, +{VIACR, CR6B, 0xFF, 0x00}, +{VIACR, CR6C, 0xFF, 0x00}, +{VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ +{VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ +{VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ +{VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ +{VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ +{VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ +{VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ +{VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ +{VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ +{VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ +{VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ +{VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ +{VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ +{VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ +{VIACR, CR88, 0xFF, 0x40}, /* LCD Panel Type */ +{VIACR, CR89, 0xFF, 0x00}, /* LCD Timing Control 0 */ +{VIACR, CR8A, 0xFF, 0x88}, /* LCD Timing Control 1 */ +{VIACR, CRD4, 0xFF, 0x81}, /* Second power sequence control */ +{VIACR, CR8B, 0xFF, 0x5D}, /* LCD Power Sequence Control 0 */ +{VIACR, CR8C, 0xFF, 0x2B}, /* LCD Power Sequence Control 1 */ +{VIACR, CR8D, 0xFF, 0x6F}, /* LCD Power Sequence Control 2 */ +{VIACR, CR8E, 0xFF, 0x2B}, /* LCD Power Sequence Control 3 */ +{VIACR, CR8F, 0xFF, 0x01}, /* LCD Power Sequence Control 4 */ +{VIACR, CR90, 0xFF, 0x01}, /* LCD Power Sequence Control 5 */ +{VIACR, CR91, 0xFF, 0x80}, /* 24/12 bit LVDS Data off */ +{VIACR, CR96, 0xFF, 0x00}, +{VIACR, CR97, 0xFF, 0x00}, +{VIACR, CR99, 0xFF, 0x00}, +{VIACR, CR9B, 0xFF, 0x00}, +{VIACR, CRD2, 0xFF, 0xFF} /* TMDS/LVDS control register. */ +}; + +/* For VT3353: Common Setting for Video Mode */ +struct io_reg VX800_ModeXregs[] = { {VIASR, SR10, 0xFF, 0x01}, +{VIASR, SR15, 0x02, 0x02}, +{VIASR, SR16, 0xBF, 0x08}, +{VIASR, SR17, 0xFF, 0x1F}, +{VIASR, SR18, 0xFF, 0x4E}, +{VIASR, SR1A, 0xFB, 0x08}, +{VIASR, SR1B, 0xFF, 0xF0}, +{VIASR, SR1E, 0xFF, 0x01}, +{VIASR, SR2A, 0xFF, 0x00}, +{VIASR, SR2D, 0xFF, 0xFF}, /* VCK and LCK PLL power on. */ +{VIACR, CR0A, 0xFF, 0x1E}, /* Cursor Start */ +{VIACR, CR0B, 0xFF, 0x00}, /* Cursor End */ +{VIACR, CR0E, 0xFF, 0x00}, /* Cursor Location High */ +{VIACR, CR0F, 0xFF, 0x00}, /* Cursor Localtion Low */ +{VIACR, CR32, 0xFF, 0x00}, +{VIACR, CR33, 0xFF, 0x00}, +{VIACR, CR34, 0xFF, 0x00}, +{VIACR, CR35, 0xFF, 0x00}, +{VIACR, CR36, 0x08, 0x00}, +{VIACR, CR47, 0xC8, 0x00}, /* Clear VCK Plus. */ +{VIACR, CR62, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR63, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR64, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CRA3, 0xFF, 0x00}, /* Secondary Display Starting Address */ +{VIACR, CR69, 0xFF, 0x00}, +{VIACR, CR6A, 0xFF, 0x40}, +{VIACR, CR6B, 0xFF, 0x00}, +{VIACR, CR6C, 0xFF, 0x00}, +{VIACR, CR7A, 0xFF, 0x01}, /* LCD Scaling Parameter 1 */ +{VIACR, CR7B, 0xFF, 0x02}, /* LCD Scaling Parameter 2 */ +{VIACR, CR7C, 0xFF, 0x03}, /* LCD Scaling Parameter 3 */ +{VIACR, CR7D, 0xFF, 0x04}, /* LCD Scaling Parameter 4 */ +{VIACR, CR7E, 0xFF, 0x07}, /* LCD Scaling Parameter 5 */ +{VIACR, CR7F, 0xFF, 0x0A}, /* LCD Scaling Parameter 6 */ +{VIACR, CR80, 0xFF, 0x0D}, /* LCD Scaling Parameter 7 */ +{VIACR, CR81, 0xFF, 0x13}, /* LCD Scaling Parameter 8 */ +{VIACR, CR82, 0xFF, 0x16}, /* LCD Scaling Parameter 9 */ +{VIACR, CR83, 0xFF, 0x19}, /* LCD Scaling Parameter 10 */ +{VIACR, CR84, 0xFF, 0x1C}, /* LCD Scaling Parameter 11 */ +{VIACR, CR85, 0xFF, 0x1D}, /* LCD Scaling Parameter 12 */ +{VIACR, CR86, 0xFF, 0x1E}, /* LCD Scaling Parameter 13 */ +{VIACR, CR87, 0xFF, 0x1F}, /* LCD Scaling Parameter 14 */ +{VIACR, CR88, 0xFF, 0x40}, /* LCD Panel Type */ +{VIACR, CR89, 0xFF, 0x00}, /* LCD Timing Control 0 */ +{VIACR, CR8A, 0xFF, 0x88}, /* LCD Timing Control 1 */ +{VIACR, CRD4, 0xFF, 0x81}, /* Second power sequence control */ +{VIACR, CR8B, 0xFF, 0x5D}, /* LCD Power Sequence Control 0 */ +{VIACR, CR8C, 0xFF, 0x2B}, /* LCD Power Sequence Control 1 */ +{VIACR, CR8D, 0xFF, 0x6F}, /* LCD Power Sequence Control 2 */ +{VIACR, CR8E, 0xFF, 0x2B}, /* LCD Power Sequence Control 3 */ +{VIACR, CR8F, 0xFF, 0x01}, /* LCD Power Sequence Control 4 */ +{VIACR, CR90, 0xFF, 0x01}, /* LCD Power Sequence Control 5 */ +{VIACR, CR91, 0xFF, 0x80}, /* 24/12 bit LVDS Data off */ +{VIACR, CR96, 0xFF, 0x00}, +{VIACR, CR97, 0xFF, 0x00}, +{VIACR, CR99, 0xFF, 0x00}, +{VIACR, CR9B, 0xFF, 0x00}, +{VIACR, CRD2, 0xFF, 0xFF} /* TMDS/LVDS control register. */ +}; + +/* Video Mode Table */ +/* Common Setting for Video Mode */ +struct io_reg CLE266_ModeXregs[] = { {VIASR, SR1E, 0xF0, 0x00}, +{VIASR, SR2A, 0x0F, 0x00}, +{VIASR, SR15, 0x02, 0x02}, +{VIASR, SR16, 0xBF, 0x08}, +{VIASR, SR17, 0xFF, 0x1F}, +{VIASR, SR18, 0xFF, 0x4E}, +{VIASR, SR1A, 0xFB, 0x08}, + +{VIACR, CR32, 0xFF, 0x00}, +{VIACR, CR34, 0xFF, 0x00}, +{VIACR, CR35, 0xFF, 0x00}, +{VIACR, CR36, 0x08, 0x00}, +{VIACR, CR6A, 0xFF, 0x80}, +{VIACR, CR6A, 0xFF, 0xC0}, + +{VIACR, CR55, 0x80, 0x00}, +{VIACR, CR5D, 0x80, 0x00}, + +{VIAGR, GR20, 0xFF, 0x00}, +{VIAGR, GR21, 0xFF, 0x00}, +{VIAGR, GR22, 0xFF, 0x00}, + /* LCD Parameters */ +{VIACR, CR7A, 0xFF, 0x01}, /* LCD Parameter 1 */ +{VIACR, CR7B, 0xFF, 0x02}, /* LCD Parameter 2 */ +{VIACR, CR7C, 0xFF, 0x03}, /* LCD Parameter 3 */ +{VIACR, CR7D, 0xFF, 0x04}, /* LCD Parameter 4 */ +{VIACR, CR7E, 0xFF, 0x07}, /* LCD Parameter 5 */ +{VIACR, CR7F, 0xFF, 0x0A}, /* LCD Parameter 6 */ +{VIACR, CR80, 0xFF, 0x0D}, /* LCD Parameter 7 */ +{VIACR, CR81, 0xFF, 0x13}, /* LCD Parameter 8 */ +{VIACR, CR82, 0xFF, 0x16}, /* LCD Parameter 9 */ +{VIACR, CR83, 0xFF, 0x19}, /* LCD Parameter 10 */ +{VIACR, CR84, 0xFF, 0x1C}, /* LCD Parameter 11 */ +{VIACR, CR85, 0xFF, 0x1D}, /* LCD Parameter 12 */ +{VIACR, CR86, 0xFF, 0x1E}, /* LCD Parameter 13 */ +{VIACR, CR87, 0xFF, 0x1F}, /* LCD Parameter 14 */ + +}; + +/* Mode:1024X768 */ +struct io_reg PM1024x768[] = { {VIASR, 0x16, 0xBF, 0x0C}, +{VIASR, 0x18, 0xFF, 0x4C} +}; + +struct patch_table res_patch_table[] = { + {VIA_RES_1024X768, ARRAY_SIZE(PM1024x768), PM1024x768} +}; + +/* struct VPITTable { + unsigned char Misc; + unsigned char SR[StdSR]; + unsigned char CR[StdCR]; + unsigned char GR[StdGR]; + unsigned char AR[StdAR]; + };*/ + +struct VPITTable VPIT = { + /* Msic */ + 0xC7, + /* Sequencer */ + {0x01, 0x0F, 0x00, 0x0E}, + /* Graphic Controller */ + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0F, 0xFF}, + /* Attribute Controller */ + {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, + 0x01, 0x00, 0x0F, 0x00} +}; + +/********************/ +/* Mode Table */ +/********************/ + +/* 480x640 */ +struct crt_mode_table CRTM480x640[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_25_175M, M480X640_R60_HSP, M480X640_R60_VSP, + {624, 480, 480, 144, 504, 48, 663, 640, 640, 23, 641, 3} } /* GTF*/ +}; + +/* 640x480*/ +struct crt_mode_table CRTM640x480[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_25_175M, M640X480_R60_HSP, M640X480_R60_VSP, + {800, 640, 648, 144, 656, 96, 525, 480, 480, 45, 490, 2} }, + {REFRESH_75, CLK_31_500M, M640X480_R75_HSP, M640X480_R75_VSP, + {840, 640, 640, 200, 656, 64, 500, 480, 480, 20, 481, 3} }, + {REFRESH_85, CLK_36_000M, M640X480_R85_HSP, M640X480_R85_VSP, + {832, 640, 640, 192, 696, 56, 509, 480, 480, 29, 481, 3} }, + {REFRESH_100, CLK_43_163M, M640X480_R100_HSP, M640X480_R100_VSP, + {848, 640, 640, 208, 680, 64, 509, 480, 480, 29, 481, 3} }, /*GTF*/ + {REFRESH_120, CLK_52_406M, M640X480_R120_HSP, + M640X480_R120_VSP, + {848, 640, 640, 208, 680, 64, 515, 480, 480, 35, 481, + 3} } /*GTF*/ +}; + +/*720x480 (GTF)*/ +struct crt_mode_table CRTM720x480[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_26_880M, M720X480_R60_HSP, M720X480_R60_VSP, + {896, 720, 720, 176, 736, 72, 497, 480, 480, 17, 481, 3} } + +}; + +/*720x576 (GTF)*/ +struct crt_mode_table CRTM720x576[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_32_668M, M720X576_R60_HSP, M720X576_R60_VSP, + {912, 720, 720, 192, 744, 72, 597, 576, 576, 21, 577, 3} } +}; + +/* 800x480 (CVT) */ +struct crt_mode_table CRTM800x480[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_29_581M, M800X480_R60_HSP, M800X480_R60_VSP, + {992, 800, 800, 192, 824, 72, 500, 480, 480, 20, 483, 7} } +}; + +/* 800x600*/ +struct crt_mode_table CRTM800x600[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_40_000M, M800X600_R60_HSP, M800X600_R60_VSP, + {1056, 800, 800, 256, 840, 128, 628, 600, 600, 28, 601, 4} }, + {REFRESH_75, CLK_49_500M, M800X600_R75_HSP, M800X600_R75_VSP, + {1056, 800, 800, 256, 816, 80, 625, 600, 600, 25, 601, 3} }, + {REFRESH_85, CLK_56_250M, M800X600_R85_HSP, M800X600_R85_VSP, + {1048, 800, 800, 248, 832, 64, 631, 600, 600, 31, 601, 3} }, + {REFRESH_100, CLK_68_179M, M800X600_R100_HSP, M800X600_R100_VSP, + {1072, 800, 800, 272, 848, 88, 636, 600, 600, 36, 601, 3} }, + {REFRESH_120, CLK_83_950M, M800X600_R120_HSP, + M800X600_R120_VSP, + {1088, 800, 800, 288, 856, 88, 643, 600, 600, 43, 601, + 3} } +}; + +/* 848x480 (CVT) */ +struct crt_mode_table CRTM848x480[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_31_500M, M848X480_R60_HSP, M848X480_R60_VSP, + {1056, 848, 848, 208, 872, 80, 500, 480, 480, 20, 483, 5} } +}; + +/*856x480 (GTF) convert to 852x480*/ +struct crt_mode_table CRTM852x480[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_31_728M, M852X480_R60_HSP, M852X480_R60_VSP, + {1064, 856, 856, 208, 872, 88, 497, 480, 480, 17, 481, 3} } +}; + +/*1024x512 (GTF)*/ +struct crt_mode_table CRTM1024x512[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_41_291M, M1024X512_R60_HSP, M1024X512_R60_VSP, + {1296, 1024, 1024, 272, 1056, 104, 531, 512, 512, 19, 513, 3} } + +}; + +/* 1024x600*/ +struct crt_mode_table CRTM1024x600[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_48_875M, M1024X600_R60_HSP, M1024X600_R60_VSP, + {1312, 1024, 1024, 288, 1064, 104, 622, 600, 600, 22, 601, 3} }, +}; + +/* 1024x768*/ +struct crt_mode_table CRTM1024x768[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_65_000M, M1024X768_R60_HSP, M1024X768_R60_VSP, + {1344, 1024, 1024, 320, 1048, 136, 806, 768, 768, 38, 771, 6} }, + {REFRESH_75, CLK_78_750M, M1024X768_R75_HSP, M1024X768_R75_VSP, + {1312, 1024, 1024, 288, 1040, 96, 800, 768, 768, 32, 769, 3} }, + {REFRESH_85, CLK_94_500M, M1024X768_R85_HSP, M1024X768_R85_VSP, + {1376, 1024, 1024, 352, 1072, 96, 808, 768, 768, 40, 769, 3} }, + {REFRESH_100, CLK_113_309M, M1024X768_R100_HSP, M1024X768_R100_VSP, + {1392, 1024, 1024, 368, 1096, 112, 814, 768, 768, 46, 769, 3} } +}; + +/* 1152x864*/ +struct crt_mode_table CRTM1152x864[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_75, CLK_108_000M, M1152X864_R75_HSP, M1152X864_R75_VSP, + {1600, 1152, 1152, 448, 1216, 128, 900, 864, 864, 36, 865, 3} } + +}; + +/* 1280x720 (HDMI 720P)*/ +struct crt_mode_table CRTM1280x720[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_74_481M, M1280X720_R60_HSP, M1280X720_R60_VSP, + {1648, 1280, 1280, 368, 1392, 40, 750, 720, 720, 30, 725, 5} }, + {REFRESH_50, CLK_60_466M, M1280X720_R50_HSP, M1280X720_R50_VSP, + {1632, 1280, 1280, 352, 1328, 128, 741, 720, 720, 21, 721, 3} } +}; + +/*1280x768 (GTF)*/ +struct crt_mode_table CRTM1280x768[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_80_136M, M1280X768_R60_HSP, M1280X768_R60_VSP, + {1680, 1280, 1280, 400, 1344, 136, 795, 768, 768, 27, 769, 3} }, + {REFRESH_50, CLK_65_178M, M1280X768_R50_HSP, M1280X768_R50_VSP, + {1648, 1280, 1280, 368, 1336, 128, 791, 768, 768, 23, 769, 3} } +}; + +/* 1280x800 (CVT) */ +struct crt_mode_table CRTM1280x800[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_83_375M, M1280X800_R60_HSP, M1280X800_R60_VSP, + {1680, 1280, 1280, 400, 1352, 128, 831, 800, 800, 31, 803, 6} } +}; + +/*1280x960*/ +struct crt_mode_table CRTM1280x960[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_108_000M, M1280X960_R60_HSP, M1280X960_R60_VSP, + {1800, 1280, 1280, 520, 1376, 112, 1000, 960, 960, 40, 961, 3} } +}; + +/* 1280x1024*/ +struct crt_mode_table CRTM1280x1024[] = { + /*r_rate,vclk,,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_108_000M, M1280X1024_R60_HSP, M1280X1024_R60_VSP, + {1688, 1280, 1280, 408, 1328, 112, 1066, 1024, 1024, 42, 1025, + 3} }, + {REFRESH_75, CLK_135_000M, M1280X1024_R75_HSP, M1280X1024_R75_VSP, + {1688, 1280, 1280, 408, 1296, 144, 1066, 1024, 1024, 42, 1025, + 3} }, + {REFRESH_85, CLK_157_500M, M1280X1024_R85_HSP, M1280X1024_R85_VSP, + {1728, 1280, 1280, 448, 1344, 160, 1072, 1024, 1024, 48, 1025, 3} } +}; + +/* 1368x768 (GTF) */ +struct crt_mode_table CRTM1368x768[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_85_860M, M1368X768_R60_HSP, M1368X768_R60_VSP, + {1800, 1368, 1368, 432, 1440, 144, 795, 768, 768, 27, 769, 3} } +}; + +/*1440x1050 (GTF)*/ +struct crt_mode_table CRTM1440x1050[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_125_104M, M1440X1050_R60_HSP, M1440X1050_R60_VSP, + {1936, 1440, 1440, 496, 1536, 152, 1077, 1040, 1040, 37, 1041, 3} } +}; + +/* 1600x1200*/ +struct crt_mode_table CRTM1600x1200[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_162_000M, M1600X1200_R60_HSP, M1600X1200_R60_VSP, + {2160, 1600, 1600, 560, 1664, 192, 1250, 1200, 1200, 50, 1201, + 3} }, + {REFRESH_75, CLK_202_500M, M1600X1200_R75_HSP, M1600X1200_R75_VSP, + {2160, 1600, 1600, 560, 1664, 192, 1250, 1200, 1200, 50, 1201, 3} } + +}; + +/* 1680x1050 (CVT) */ +struct crt_mode_table CRTM1680x1050[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_146_760M, M1680x1050_R60_HSP, M1680x1050_R60_VSP, + {2240, 1680, 1680, 560, 1784, 176, 1089, 1050, 1050, 39, 1053, + 6} }, + {REFRESH_75, CLK_187_000M, M1680x1050_R75_HSP, M1680x1050_R75_VSP, + {2272, 1680, 1680, 592, 1800, 176, 1099, 1050, 1050, 49, 1053, 6} } +}; + +/* 1680x1050 (CVT Reduce Blanking) */ +struct crt_mode_table CRTM1680x1050_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_119_000M, M1680x1050_RB_R60_HSP, + M1680x1050_RB_R60_VSP, + {1840, 1680, 1680, 160, 1728, 32, 1080, 1050, 1050, 30, 1053, 6} } +}; + +/* 1920x1080 (CVT)*/ +struct crt_mode_table CRTM1920x1080[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_172_798M, M1920X1080_R60_HSP, M1920X1080_R60_VSP, + {2576, 1920, 1920, 656, 2048, 200, 1120, 1080, 1080, 40, 1083, 5} } +}; + +/* 1920x1080 (CVT with Reduce Blanking) */ +struct crt_mode_table CRTM1920x1080_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_138_400M, M1920X1080_RB_R60_HSP, + M1920X1080_RB_R60_VSP, + {2080, 1920, 1920, 160, 1968, 32, 1111, 1080, 1080, 31, 1083, 5} } +}; + +/* 1920x1440*/ +struct crt_mode_table CRTM1920x1440[] = { + /*r_rate,vclk,hsp,vsp */ + /*HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_234_000M, M1920X1440_R60_HSP, M1920X1440_R60_VSP, + {2600, 1920, 1920, 680, 2048, 208, 1500, 1440, 1440, 60, 1441, + 3} }, + {REFRESH_75, CLK_297_500M, M1920X1440_R75_HSP, M1920X1440_R75_VSP, + {2640, 1920, 1920, 720, 2064, 224, 1500, 1440, 1440, 60, 1441, 3} } +}; + +/* 1400x1050 (CVT) */ +struct crt_mode_table CRTM1400x1050[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_121_750M, M1400X1050_R60_HSP, M1400X1050_R60_VSP, + {1864, 1400, 1400, 464, 1488, 144, 1089, 1050, 1050, 39, 1053, + 4} }, + {REFRESH_75, CLK_156_000M, M1400X1050_R75_HSP, M1400X1050_R75_VSP, + {1896, 1400, 1400, 496, 1504, 144, 1099, 1050, 1050, 49, 1053, 4} } +}; + +/* 1400x1050 (CVT Reduce Blanking) */ +struct crt_mode_table CRTM1400x1050_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_101_000M, M1400X1050_RB_R60_HSP, + M1400X1050_RB_R60_VSP, + {1560, 1400, 1400, 160, 1448, 32, 1080, 1050, 1050, 30, 1053, 4} } +}; + +/* 960x600 (CVT) */ +struct crt_mode_table CRTM960x600[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_45_250M, M960X600_R60_HSP, M960X600_R60_VSP, + {1216, 960, 960, 256, 992, 96, 624, 600, 600, 24, 603, 6} } +}; + +/* 1000x600 (GTF) */ +struct crt_mode_table CRTM1000x600[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_48_000M, M1000X600_R60_HSP, M1000X600_R60_VSP, + {1288, 1000, 1000, 288, 1040, 104, 622, 600, 600, 22, 601, 3} } +}; + +/* 1024x576 (GTF) */ +struct crt_mode_table CRTM1024x576[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_46_996M, M1024X576_R60_HSP, M1024X576_R60_VSP, + {1312, 1024, 1024, 288, 1064, 104, 597, 576, 576, 21, 577, 3} } +}; + +/* 1088x612 (CVT) */ +struct crt_mode_table CRTM1088x612[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_52_977M, M1088X612_R60_HSP, M1088X612_R60_VSP, + {1392, 1088, 1088, 304, 1136, 104, 636, 612, 612, 24, 615, 5} } +}; + +/* 1152x720 (CVT) */ +struct crt_mode_table CRTM1152x720[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_66_750M, M1152X720_R60_HSP, M1152X720_R60_VSP, + {1488, 1152, 1152, 336, 1208, 112, 748, 720, 720, 28, 723, 6} } +}; + +/* 1200x720 (GTF) */ +struct crt_mode_table CRTM1200x720[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_70_159M, M1200X720_R60_HSP, M1200X720_R60_VSP, + {1568, 1200, 1200, 368, 1256, 128, 746, 720, 720, 26, 721, 3} } +}; + +/* 1280x600 (GTF) */ +struct crt_mode_table CRTM1280x600[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_61_500M, M1280x600_R60_HSP, M1280x600_R60_VSP, + {1648, 1280, 1280, 368, 1336, 128, 622, 600, 600, 22, 601, 3} } +}; + +/* 1360x768 (CVT) */ +struct crt_mode_table CRTM1360x768[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_84_750M, M1360X768_R60_HSP, M1360X768_R60_VSP, + {1776, 1360, 1360, 416, 1432, 136, 798, 768, 768, 30, 771, 5} } +}; + +/* 1360x768 (CVT Reduce Blanking) */ +struct crt_mode_table CRTM1360x768_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_72_000M, M1360X768_RB_R60_HSP, + M1360X768_RB_R60_VSP, + {1520, 1360, 1360, 160, 1408, 32, 790, 768, 768, 22, 771, 5} } +}; + +/* 1366x768 (GTF) */ +struct crt_mode_table CRTM1366x768[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_85_860M, M1368X768_R60_HSP, M1368X768_R60_VSP, + {1800, 1368, 1368, 432, 1440, 144, 795, 768, 768, 27, 769, 3} }, + {REFRESH_50, CLK_69_924M, M1368X768_R50_HSP, M1368X768_R50_VSP, + {1768, 1368, 1368, 400, 1424, 144, 791, 768, 768, 23, 769, 3} } +}; + +/* 1440x900 (CVT) */ +struct crt_mode_table CRTM1440x900[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_106_500M, M1440X900_R60_HSP, M1440X900_R60_VSP, + {1904, 1440, 1440, 464, 1520, 152, 934, 900, 900, 34, 903, 6} }, + {REFRESH_75, CLK_136_700M, M1440X900_R75_HSP, M1440X900_R75_VSP, + {1936, 1440, 1440, 496, 1536, 152, 942, 900, 900, 42, 903, 6} } +}; + +/* 1440x900 (CVT Reduce Blanking) */ +struct crt_mode_table CRTM1440x900_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_88_750M, M1440X900_RB_R60_HSP, + M1440X900_RB_R60_VSP, + {1600, 1440, 1440, 160, 1488, 32, 926, 900, 900, 26, 903, 6} } +}; + +/* 1600x900 (CVT) */ +struct crt_mode_table CRTM1600x900[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_118_840M, M1600X900_R60_HSP, M1600X900_R60_VSP, + {2112, 1600, 1600, 512, 1688, 168, 934, 900, 900, 34, 903, 5} } +}; + +/* 1600x900 (CVT Reduce Blanking) */ +struct crt_mode_table CRTM1600x900_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_97_750M, M1600X900_RB_R60_HSP, + M1600X900_RB_R60_VSP, + {1760, 1600, 1600, 160, 1648, 32, 926, 900, 900, 26, 903, 5} } +}; + +/* 1600x1024 (GTF) */ +struct crt_mode_table CRTM1600x1024[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_136_700M, M1600X1024_R60_HSP, M1600X1024_R60_VSP, + {2144, 1600, 1600, 544, 1704, 168, 1060, 1024, 1024, 36, 1025, 3} } +}; + +/* 1792x1344 (DMT) */ +struct crt_mode_table CRTM1792x1344[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_204_000M, M1792x1344_R60_HSP, M1792x1344_R60_VSP, + {2448, 1792, 1792, 656, 1920, 200, 1394, 1344, 1344, 50, 1345, 3} } +}; + +/* 1856x1392 (DMT) */ +struct crt_mode_table CRTM1856x1392[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_218_500M, M1856x1392_R60_HSP, M1856x1392_R60_VSP, + {2528, 1856, 1856, 672, 1952, 224, 1439, 1392, 1392, 47, 1393, 3} } +}; + +/* 1920x1200 (CVT) */ +struct crt_mode_table CRTM1920x1200[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_193_295M, M1920X1200_R60_HSP, M1920X1200_R60_VSP, + {2592, 1920, 1920, 672, 2056, 200, 1245, 1200, 1200, 45, 1203, 6} } +}; + +/* 1920x1200 (CVT with Reduce Blanking) */ +struct crt_mode_table CRTM1920x1200_RB[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_153_920M, M1920X1200_RB_R60_HSP, + M1920X1200_RB_R60_VSP, + {2080, 1920, 1920, 160, 1968, 32, 1235, 1200, 1200, 35, 1203, 6} } +}; + +/* 2048x1536 (CVT) */ +struct crt_mode_table CRTM2048x1536[] = { + /* r_rate, vclk, hsp, vsp */ + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {REFRESH_60, CLK_267_250M, M2048x1536_R60_HSP, M2048x1536_R60_VSP, + {2800, 2048, 2048, 752, 2200, 224, 1592, 1536, 1536, 56, 1539, 4} } +}; + +/* Video Mode Table */ +/* struct VideoModeTable {*/ +/* int ModeIndex;*/ +/* struct crt_mode_table *crtc;*/ +/* int mode_array;*/ +/* };*/ +struct VideoModeTable CLE266Modes[] = { + /* Display : 480x640 (GTF) */ + {VIA_RES_480X640, CRTM480x640, ARRAY_SIZE(CRTM480x640)}, + + /* Display : 640x480 */ + {VIA_RES_640X480, CRTM640x480, ARRAY_SIZE(CRTM640x480)}, + + /* Display : 720x480 (GTF) */ + {VIA_RES_720X480, CRTM720x480, ARRAY_SIZE(CRTM720x480)}, + + /* Display : 720x576 (GTF) */ + {VIA_RES_720X576, CRTM720x576, ARRAY_SIZE(CRTM720x576)}, + + /* Display : 800x600 */ + {VIA_RES_800X600, CRTM800x600, ARRAY_SIZE(CRTM800x600)}, + + /* Display : 800x480 (CVT) */ + {VIA_RES_800X480, CRTM800x480, ARRAY_SIZE(CRTM800x480)}, + + /* Display : 848x480 (CVT) */ + {VIA_RES_848X480, CRTM848x480, ARRAY_SIZE(CRTM848x480)}, + + /* Display : 852x480 (GTF) */ + {VIA_RES_856X480, CRTM852x480, ARRAY_SIZE(CRTM852x480)}, + + /* Display : 1024x512 (GTF) */ + {VIA_RES_1024X512, CRTM1024x512, ARRAY_SIZE(CRTM1024x512)}, + + /* Display : 1024x600 */ + {VIA_RES_1024X600, CRTM1024x600, ARRAY_SIZE(CRTM1024x600)}, + + /* Display : 1024x576 (GTF) */ + /*{ VIA_RES_1024X576, CRTM1024x576, ARRAY_SIZE(CRTM1024x576)}, */ + + /* Display : 1024x768 */ + {VIA_RES_1024X768, CRTM1024x768, ARRAY_SIZE(CRTM1024x768)}, + + /* Display : 1152x864 */ + {VIA_RES_1152X864, CRTM1152x864, ARRAY_SIZE(CRTM1152x864)}, + + /* Display : 1280x768 (GTF) */ + {VIA_RES_1280X768, CRTM1280x768, ARRAY_SIZE(CRTM1280x768)}, + + /* Display : 960x600 (CVT) */ + {VIA_RES_960X600, CRTM960x600, ARRAY_SIZE(CRTM960x600)}, + + /* Display : 1000x600 (GTF) */ + {VIA_RES_1000X600, CRTM1000x600, ARRAY_SIZE(CRTM1000x600)}, + + /* Display : 1024x576 (GTF) */ + {VIA_RES_1024X576, CRTM1024x576, ARRAY_SIZE(CRTM1024x576)}, + + /* Display : 1088x612 (GTF) */ + {VIA_RES_1088X612, CRTM1088x612, ARRAY_SIZE(CRTM1088x612)}, + + /* Display : 1152x720 (CVT) */ + {VIA_RES_1152X720, CRTM1152x720, ARRAY_SIZE(CRTM1152x720)}, + + /* Display : 1200x720 (GTF) */ + {VIA_RES_1200X720, CRTM1200x720, ARRAY_SIZE(CRTM1200x720)}, + + /* Display : 1280x600 (GTF) */ + {VIA_RES_1280X600, CRTM1280x600, ARRAY_SIZE(CRTM1280x600)}, + + /* Display : 1280x800 (CVT) */ + {VIA_RES_1280X800, CRTM1280x800, ARRAY_SIZE(CRTM1280x800)}, + + /* Display : 1280x800 (GTF) */ + /*{ M1280x800, CRTM1280x800, ARRAY_SIZE(CRTM1280x800)}, */ + + /* Display : 1280x960 */ + {VIA_RES_1280X960, CRTM1280x960, ARRAY_SIZE(CRTM1280x960)}, + + /* Display : 1280x1024 */ + {VIA_RES_1280X1024, CRTM1280x1024, ARRAY_SIZE(CRTM1280x1024)}, + + /* Display : 1360x768 (CVT) */ + {VIA_RES_1360X768, CRTM1360x768, ARRAY_SIZE(CRTM1360x768)}, + + /* Display : 1360x768 (CVT Reduce Blanking) */ + {VIA_RES_1360X768_RB, CRTM1360x768_RB, + ARRAY_SIZE(CRTM1360x768_RB)}, + + /* Display : 1366x768 */ + {VIA_RES_1366X768, CRTM1366x768, ARRAY_SIZE(CRTM1366x768)}, + + /* Display : 1368x768 (GTF) */ + /*{ M1368x768,CRTM1368x768,ARRAY_SIZE(CRTM1368x768)}, */ + /* Display : 1368x768 (GTF) */ + {VIA_RES_1368X768, CRTM1368x768, ARRAY_SIZE(CRTM1368x768)}, + + /* Display : 1440x900 (CVT) */ + {VIA_RES_1440X900, CRTM1440x900, ARRAY_SIZE(CRTM1440x900)}, + + /* Display : 1440x900 (CVT Reduce Blanking) */ + {VIA_RES_1440X900_RB, CRTM1440x900_RB, + ARRAY_SIZE(CRTM1440x900_RB)}, + + /* Display : 1440x1050 (GTF) */ + {VIA_RES_1440X1050, CRTM1440x1050, ARRAY_SIZE(CRTM1440x1050)}, + + /* Display : 1400x1050 (CVT Reduce Blanking) */ + {VIA_RES_1400X1050_RB, CRTM1400x1050_RB, + ARRAY_SIZE(CRTM1400x1050_RB)}, + + /* Display : 1600x900 (CVT) */ + {VIA_RES_1600X900, CRTM1600x900, ARRAY_SIZE(CRTM1600x900)}, + + /* Display : 1600x900 (CVT Reduce Blanking) */ + {VIA_RES_1600X900_RB, CRTM1600x900_RB, + ARRAY_SIZE(CRTM1600x900_RB)}, + + /* Display : 1600x1024 (GTF) */ + {VIA_RES_1600X1024, CRTM1600x1024, ARRAY_SIZE(CRTM1600x1024)}, + + /* Display : 1600x1200 */ + {VIA_RES_1600X1200, CRTM1600x1200, ARRAY_SIZE(CRTM1600x1200)}, + + /* Display : 1680x1050 (CVT) */ + {VIA_RES_1680X1050, CRTM1680x1050, ARRAY_SIZE(CRTM1680x1050)}, + + /* Display : 1680x1050 (CVT Reduce Blanking) */ + {VIA_RES_1680X1050_RB, CRTM1680x1050_RB, + ARRAY_SIZE(CRTM1680x1050_RB)}, + + /* Display : 1792x1344 (DMT) */ + {VIA_RES_1792X1344, CRTM1792x1344, ARRAY_SIZE(CRTM1792x1344)}, + + /* Display : 1856x1392 (DMT) */ + {VIA_RES_1856X1392, CRTM1856x1392, ARRAY_SIZE(CRTM1856x1392)}, + + /* Display : 1920x1440 */ + {VIA_RES_1920X1440, CRTM1920x1440, ARRAY_SIZE(CRTM1920x1440)}, + + /* Display : 2048x1536 */ + {VIA_RES_2048X1536, CRTM2048x1536, ARRAY_SIZE(CRTM2048x1536)}, + + /* Display : 1280x720 */ + {VIA_RES_1280X720, CRTM1280x720, ARRAY_SIZE(CRTM1280x720)}, + + /* Display : 1920x1080 (CVT) */ + {VIA_RES_1920X1080, CRTM1920x1080, ARRAY_SIZE(CRTM1920x1080)}, + + /* Display : 1920x1080 (CVT Reduce Blanking) */ + {VIA_RES_1920X1080_RB, CRTM1920x1080_RB, + ARRAY_SIZE(CRTM1920x1080_RB)}, + + /* Display : 1920x1200 (CVT) */ + {VIA_RES_1920X1200, CRTM1920x1200, ARRAY_SIZE(CRTM1920x1200)}, + + /* Display : 1920x1200 (CVT Reduce Blanking) */ + {VIA_RES_1920X1200_RB, CRTM1920x1200_RB, + ARRAY_SIZE(CRTM1920x1200_RB)}, + + /* Display : 1400x1050 (CVT) */ + {VIA_RES_1400X1050, CRTM1400x1050, ARRAY_SIZE(CRTM1400x1050)} +}; +struct crt_mode_table CEAM1280x720[] = { + {REFRESH_60, CLK_74_270M, M1280X720_CEA_R60_HSP, + M1280X720_CEA_R60_VSP, + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {1650, 1280, 1280, 370, 1390, 40, 750, 720, 720, 30, 725, 5} } +}; +struct crt_mode_table CEAM1920x1080[] = { + {REFRESH_60, CLK_148_500M, M1920X1080_CEA_R60_HSP, + M1920X1080_CEA_R60_VSP, + /* HT, HA, HBS, HBE, HSS, HSE, VT, VA, VBS, VBE, VSS, VSE */ + {2200, 1920, 1920, 300, 2008, 44, 1125, 1080, 1080, 45, 1084, 5} } +}; +struct VideoModeTable CEA_HDMI_Modes[] = { + /* Display : 1280x720 */ + {VIA_RES_1280X720, CEAM1280x720, ARRAY_SIZE(CEAM1280x720)}, + {VIA_RES_1920X1080, CEAM1920x1080, ARRAY_SIZE(CEAM1920x1080)} +}; diff --git a/drivers/video/via/viamode.h b/drivers/video/via/viamode.h new file mode 100644 index 000000000000..1a5de50a23a2 --- /dev/null +++ b/drivers/video/via/viamode.h @@ -0,0 +1,177 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __VIAMODE_H__ +#define __VIAMODE_H__ + +#include "global.h" + +struct VPITTable { + unsigned char Misc; + unsigned char SR[StdSR]; + unsigned char GR[StdGR]; + unsigned char AR[StdAR]; +}; + +struct VideoModeTable { + int ModeIndex; + struct crt_mode_table *crtc; + int mode_array; +}; + +struct patch_table { + int mode_index; + int table_length; + struct io_reg *io_reg_table; +}; + +struct res_map_refresh { + int hres; + int vres; + int pixclock; + int vmode_refresh; +}; + +#define NUM_TOTAL_RES_MAP_REFRESH ARRAY_SIZE(res_map_refresh_tbl) +#define NUM_TOTAL_CEA_MODES ARRAY_SIZE(CEA_HDMI_Modes) +#define NUM_TOTAL_CN400_ModeXregs ARRAY_SIZE(CN400_ModeXregs) +#define NUM_TOTAL_CN700_ModeXregs ARRAY_SIZE(CN700_ModeXregs) +#define NUM_TOTAL_KM400_ModeXregs ARRAY_SIZE(KM400_ModeXregs) +#define NUM_TOTAL_CX700_ModeXregs ARRAY_SIZE(CX700_ModeXregs) +#define NUM_TOTAL_VX800_ModeXregs ARRAY_SIZE(VX800_ModeXregs) +#define NUM_TOTAL_CLE266_ModeXregs ARRAY_SIZE(CLE266_ModeXregs) +#define NUM_TOTAL_PATCH_MODE ARRAY_SIZE(res_patch_table) +#define NUM_TOTAL_MODETABLE ARRAY_SIZE(CLE266Modes) + +/********************/ +/* Mode Table */ +/********************/ + +/* 480x640 */ +extern struct crt_mode_table CRTM480x640[1]; +/* 640x480*/ +extern struct crt_mode_table CRTM640x480[5]; +/*720x480 (GTF)*/ +extern struct crt_mode_table CRTM720x480[1]; +/*720x576 (GTF)*/ +extern struct crt_mode_table CRTM720x576[1]; +/* 800x480 (CVT) */ +extern struct crt_mode_table CRTM800x480[1]; +/* 800x600*/ +extern struct crt_mode_table CRTM800x600[5]; +/* 848x480 (CVT) */ +extern struct crt_mode_table CRTM848x480[1]; +/*856x480 (GTF) convert to 852x480*/ +extern struct crt_mode_table CRTM852x480[1]; +/*1024x512 (GTF)*/ +extern struct crt_mode_table CRTM1024x512[1]; +/* 1024x600*/ +extern struct crt_mode_table CRTM1024x600[1]; +/* 1024x768*/ +extern struct crt_mode_table CRTM1024x768[4]; +/* 1152x864*/ +extern struct crt_mode_table CRTM1152x864[1]; +/* 1280x720 (HDMI 720P)*/ +extern struct crt_mode_table CRTM1280x720[2]; +/*1280x768 (GTF)*/ +extern struct crt_mode_table CRTM1280x768[2]; +/* 1280x800 (CVT) */ +extern struct crt_mode_table CRTM1280x800[1]; +/*1280x960*/ +extern struct crt_mode_table CRTM1280x960[1]; +/* 1280x1024*/ +extern struct crt_mode_table CRTM1280x1024[3]; +/* 1368x768 (GTF) */ +extern struct crt_mode_table CRTM1368x768[1]; +/*1440x1050 (GTF)*/ +extern struct crt_mode_table CRTM1440x1050[1]; +/* 1600x1200*/ +extern struct crt_mode_table CRTM1600x1200[2]; +/* 1680x1050 (CVT) */ +extern struct crt_mode_table CRTM1680x1050[2]; +/* 1680x1050 (CVT Reduce Blanking) */ +extern struct crt_mode_table CRTM1680x1050_RB[1]; +/* 1920x1080 (CVT)*/ +extern struct crt_mode_table CRTM1920x1080[1]; +/* 1920x1080 (CVT with Reduce Blanking) */ +extern struct crt_mode_table CRTM1920x1080_RB[1]; +/* 1920x1440*/ +extern struct crt_mode_table CRTM1920x1440[2]; +/* 1400x1050 (CVT) */ +extern struct crt_mode_table CRTM1400x1050[2]; +/* 1400x1050 (CVT Reduce Blanking) */ +extern struct crt_mode_table CRTM1400x1050_RB[1]; +/* 960x600 (CVT) */ +extern struct crt_mode_table CRTM960x600[1]; +/* 1000x600 (GTF) */ +extern struct crt_mode_table CRTM1000x600[1]; +/* 1024x576 (GTF) */ +extern struct crt_mode_table CRTM1024x576[1]; +/* 1088x612 (CVT) */ +extern struct crt_mode_table CRTM1088x612[1]; +/* 1152x720 (CVT) */ +extern struct crt_mode_table CRTM1152x720[1]; +/* 1200x720 (GTF) */ +extern struct crt_mode_table CRTM1200x720[1]; +/* 1280x600 (GTF) */ +extern struct crt_mode_table CRTM1280x600[1]; +/* 1360x768 (CVT) */ +extern struct crt_mode_table CRTM1360x768[1]; +/* 1360x768 (CVT Reduce Blanking) */ +extern struct crt_mode_table CRTM1360x768_RB[1]; +/* 1366x768 (GTF) */ +extern struct crt_mode_table CRTM1366x768[2]; +/* 1440x900 (CVT) */ +extern struct crt_mode_table CRTM1440x900[2]; +/* 1440x900 (CVT Reduce Blanking) */ +extern struct crt_mode_table CRTM1440x900_RB[1]; +/* 1600x900 (CVT) */ +extern struct crt_mode_table CRTM1600x900[1]; +/* 1600x900 (CVT Reduce Blanking) */ +extern struct crt_mode_table CRTM1600x900_RB[1]; +/* 1600x1024 (GTF) */ +extern struct crt_mode_table CRTM1600x1024[1]; +/* 1792x1344 (DMT) */ +extern struct crt_mode_table CRTM1792x1344[1]; +/* 1856x1392 (DMT) */ +extern struct crt_mode_table CRTM1856x1392[1]; +/* 1920x1200 (CVT) */ +extern struct crt_mode_table CRTM1920x1200[1]; +/* 1920x1200 (CVT with Reduce Blanking) */ +extern struct crt_mode_table CRTM1920x1200_RB[1]; +/* 2048x1536 (CVT) */ +extern struct crt_mode_table CRTM2048x1536[1]; +extern struct VideoModeTable CLE266Modes[47]; +extern struct crt_mode_table CEAM1280x720[1]; +extern struct crt_mode_table CEAM1920x1080[1]; +extern struct VideoModeTable CEA_HDMI_Modes[2]; + +extern struct res_map_refresh res_map_refresh_tbl[61]; +extern struct io_reg CN400_ModeXregs[52]; +extern struct io_reg CN700_ModeXregs[66]; +extern struct io_reg KM400_ModeXregs[55]; +extern struct io_reg CX700_ModeXregs[58]; +extern struct io_reg VX800_ModeXregs[58]; +extern struct io_reg CLE266_ModeXregs[32]; +extern struct io_reg PM1024x768[2]; +extern struct patch_table res_patch_table[1]; +extern struct VPITTable VPIT; +#endif /* __VIAMODE_H__ */ -- GitLab From 23966d5b52e6ee1f90bb343766a9703dafceae83 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:30 -0700 Subject: [PATCH 5458/6244] viafb: via_utility.c, via_utility.h, vt1636.c, vt1636.h via_utility.c, via_utility.h: support user mode application with additional information vt1636.c, vt1636.h: setting for chip vt1636 Signed-off-by: Joseph Chan Cc: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/via_utility.c | 253 ++++++++++++++++++++++++++ drivers/video/via/via_utility.h | 35 ++++ drivers/video/via/vt1636.c | 306 ++++++++++++++++++++++++++++++++ drivers/video/via/vt1636.h | 44 +++++ 4 files changed, 638 insertions(+) create mode 100644 drivers/video/via/via_utility.c create mode 100644 drivers/video/via/via_utility.h create mode 100644 drivers/video/via/vt1636.c create mode 100644 drivers/video/via/vt1636.h diff --git a/drivers/video/via/via_utility.c b/drivers/video/via/via_utility.c new file mode 100644 index 000000000000..d53c3d54ed8e --- /dev/null +++ b/drivers/video/via/via_utility.c @@ -0,0 +1,253 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +void viafb_get_device_support_state(u32 *support_state) +{ + *support_state = CRT_Device; + + if (viaparinfo->chip_info->tmds_chip_info.tmds_chip_name == VT1632_TMDS) + *support_state |= DVI_Device; + + if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name == VT1631_LVDS) + *support_state |= LCD_Device; +} + +void viafb_get_device_connect_state(u32 *connect_state) +{ + bool mobile = false; + + *connect_state = CRT_Device; + + if (viafb_dvi_sense()) + *connect_state |= DVI_Device; + + viafb_lcd_get_mobile_state(&mobile); + if (mobile) + *connect_state |= LCD_Device; +} + +bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres) +{ + unsigned int support_state = 0; + + switch (viafb_lcd_panel_id) { + case LCD_PANEL_ID0_640X480: + if ((xres < 640) && (yres < 480)) + support_state = true; + break; + + case LCD_PANEL_ID1_800X600: + if ((xres < 800) && (yres < 600)) + support_state = true; + break; + + case LCD_PANEL_ID2_1024X768: + if ((xres < 1024) && (yres < 768)) + support_state = true; + break; + + case LCD_PANEL_ID3_1280X768: + if ((xres < 1280) && (yres < 768)) + support_state = true; + break; + + case LCD_PANEL_ID4_1280X1024: + if ((xres < 1280) && (yres < 1024)) + support_state = true; + break; + + case LCD_PANEL_ID5_1400X1050: + if ((xres < 1400) && (yres < 1050)) + support_state = true; + break; + + case LCD_PANEL_ID6_1600X1200: + if ((xres < 1600) && (yres < 1200)) + support_state = true; + break; + + case LCD_PANEL_ID7_1366X768: + if ((xres < 1366) && (yres < 768)) + support_state = true; + break; + + case LCD_PANEL_ID8_1024X600: + if ((xres < 1024) && (yres < 600)) + support_state = true; + break; + + case LCD_PANEL_ID9_1280X800: + if ((xres < 1280) && (yres < 800)) + support_state = true; + break; + + case LCD_PANEL_IDA_800X480: + if ((xres < 800) && (yres < 480)) + support_state = true; + break; + + case LCD_PANEL_IDB_1360X768: + if ((xres < 1360) && (yres < 768)) + support_state = true; + break; + + case LCD_PANEL_IDC_480X640: + if ((xres < 480) && (yres < 640)) + support_state = true; + break; + + default: + support_state = false; + break; + } + + return support_state; +} + +/*====================================================================*/ +/* Gamma Function Implementation*/ +/*====================================================================*/ + +void viafb_set_gamma_table(int bpp, unsigned int *gamma_table) +{ + int i, sr1a; + int active_device_amount = 0; + int device_status = viafb_DeviceStatus; + + for (i = 0; i < sizeof(viafb_DeviceStatus) * 8; i++) { + if (device_status & 1) + active_device_amount++; + device_status >>= 1; + } + + /* 8 bpp mode can't adjust gamma */ + if (bpp == 8) + return ; + + /* Enable Gamma */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7); + break; + + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7); + break; + } + sr1a = (unsigned int)viafb_read_reg(VIASR, SR1A); + viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0); + + /* Fill IGA1 Gamma Table */ + outb(0, LUT_INDEX_WRITE); + for (i = 0; i < 256; i++) { + outb(gamma_table[i] >> 16, LUT_DATA); + outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA); + outb(gamma_table[i] & 0xFF, LUT_DATA); + } + + /* If adjust Gamma value in SAMM, fill IGA1, + IGA2 Gamma table simultanous. */ + /* Switch to IGA2 Gamma Table */ + if ((active_device_amount > 1) && + !((viaparinfo->chip_info->gfx_chip_name == + UNICHROME_CLE266) && + (viaparinfo->chip_info->gfx_chip_revision < 15))) { + viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0); + viafb_write_reg_mask(CR6A, VIACR, 0x02, BIT1); + + /* Fill IGA2 Gamma Table */ + outb(0, LUT_INDEX_WRITE); + for (i = 0; i < 256; i++) { + outb(gamma_table[i] >> 16, LUT_DATA); + outb(gamma_table[i] >> 8 & 0xFF, LUT_DATA); + outb(gamma_table[i] & 0xFF, LUT_DATA); + } + } + viafb_write_reg(SR1A, VIASR, sr1a); +} + +void viafb_get_gamma_table(unsigned int *gamma_table) +{ + unsigned char color_r, color_g, color_b; + unsigned char sr1a = 0; + int i; + + /* Enable Gamma */ + switch (viaparinfo->chip_info->gfx_chip_name) { + case UNICHROME_CLE266: + case UNICHROME_K400: + viafb_write_reg_mask(SR16, VIASR, 0x80, BIT7); + break; + + case UNICHROME_K800: + case UNICHROME_PM800: + case UNICHROME_CN700: + case UNICHROME_CX700: + case UNICHROME_K8M890: + case UNICHROME_P4M890: + case UNICHROME_P4M900: + viafb_write_reg_mask(CR33, VIACR, 0x80, BIT7); + break; + } + sr1a = viafb_read_reg(VIASR, SR1A); + viafb_write_reg_mask(SR1A, VIASR, 0x0, BIT0); + + /* Reading gamma table to get color value */ + outb(0, LUT_INDEX_READ); + for (i = 0; i < 256; i++) { + color_r = inb(LUT_DATA); + color_g = inb(LUT_DATA); + color_b = inb(LUT_DATA); + gamma_table[i] = + ((((u32) color_r) << 16) | + (((u16) color_g) << 8)) | color_b; + } + viafb_write_reg(SR1A, VIASR, sr1a); +} + +void viafb_get_gamma_support_state(int bpp, unsigned int *support_state) +{ + if (bpp == 8) + *support_state = None_Device; + else + *support_state = CRT_Device | DVI_Device | LCD_Device; +} + +int viafb_input_parameter_converter(int parameter_value) +{ + int result; + + if (parameter_value >= 1 && parameter_value <= 9) + result = 1 << (parameter_value - 1); + else + result = 1; + + return result; +} diff --git a/drivers/video/via/via_utility.h b/drivers/video/via/via_utility.h new file mode 100644 index 000000000000..2fd455202ebd --- /dev/null +++ b/drivers/video/via/via_utility.h @@ -0,0 +1,35 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#ifndef __VIAUTILITY_H__ +#define __VIAUTILITY_H__ + +/* These functions are used to get infomation about device's state */ +void viafb_get_device_support_state(u32 *support_state); +void viafb_get_device_connect_state(u32 *connect_state); +bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres); + +/* These function are used to access gamma table */ +void viafb_set_gamma_table(int bpp, unsigned int *gamma_table); +void viafb_get_gamma_table(unsigned int *gamma_table); +void viafb_get_gamma_support_state(int bpp, unsigned int *support_state); +int viafb_input_parameter_converter(int parameter_value); + +#endif /* __VIAUTILITY_H__ */ diff --git a/drivers/video/via/vt1636.c b/drivers/video/via/vt1636.c new file mode 100644 index 000000000000..322a9f993550 --- /dev/null +++ b/drivers/video/via/vt1636.c @@ -0,0 +1,306 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "global.h" + +u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info, + u8 index) +{ + u8 data; + + viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port; + viafb_i2c_readbyte(plvds_chip_info->lvds_chip_slave_addr, index, &data); + + return data; +} + +void viafb_gpio_i2c_write_mask_lvds(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information + *plvds_chip_info, struct IODATA io_data) +{ + int index, data; + + viaparinfo->i2c_stuff.i2c_port = plvds_chip_info->i2c_port; + + index = io_data.Index; + data = viafb_gpio_i2c_read_lvds(plvds_setting_info, plvds_chip_info, + index); + data = (data & (~io_data.Mask)) | io_data.Data; + + viafb_i2c_writebyte(plvds_chip_info->lvds_chip_slave_addr, index, data); +} + +void viafb_init_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info) +{ + int reg_num, i; + + /* Common settings: */ + reg_num = ARRAY_SIZE(COMMON_INIT_TBL_VT1636); + + for (i = 0; i < reg_num; i++) { + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, + COMMON_INIT_TBL_VT1636[i]); + } + + /* Input Data Mode Select */ + if (plvds_setting_info->device_lcd_dualedge) { + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, + DUAL_CHANNEL_ENABLE_TBL_VT1636[0]); + } else { + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, + SINGLE_CHANNEL_ENABLE_TBL_VT1636[0]); + } + + if (plvds_setting_info->LCDDithering) { + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, + DITHERING_ENABLE_TBL_VT1636[0]); + } else { + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, + DITHERING_DISABLE_TBL_VT1636[0]); + } +} + +void viafb_enable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info, + VDD_ON_TBL_VT1636[0]); + + /* Pad on: */ + switch (plvds_chip_info->output_interface) { + case INTERFACE_DVP0: + { + viafb_write_reg_mask(SR1E, VIASR, 0xC0, 0xC0); + break; + } + + case INTERFACE_DVP1: + { + viafb_write_reg_mask(SR1E, VIASR, 0x30, 0x30); + break; + } + + case INTERFACE_DFP_LOW: + { + viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x03); + break; + } + + case INTERFACE_DFP_HIGH: + { + viafb_write_reg_mask(SR2A, VIASR, 0x03, 0x0C); + break; + } + + } +} + +void viafb_disable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info, + VDD_OFF_TBL_VT1636[0]); + + /* Pad off: */ + switch (plvds_chip_info->output_interface) { + case INTERFACE_DVP0: + { + viafb_write_reg_mask(SR1E, VIASR, 0x00, 0xC0); + break; + } + + case INTERFACE_DVP1: + { + viafb_write_reg_mask(SR1E, VIASR, 0x00, 0x30); + break; + } + + case INTERFACE_DFP_LOW: + { + viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x03); + break; + } + + case INTERFACE_DFP_HIGH: + { + viafb_write_reg_mask(SR2A, VIASR, 0x00, 0x0C); + break; + } + + } +} + +bool viafb_lvds_identify_vt1636(void) +{ + u8 Buffer[2]; + + DEBUG_MSG(KERN_INFO "viafb_lvds_identify_vt1636.\n"); + + /* Sense VT1636 LVDS Transmiter */ + viaparinfo->chip_info->lvds_chip_info.lvds_chip_slave_addr = + VT1636_LVDS_I2C_ADDR; + + /* Check vendor ID first: */ + viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. + lvds_chip_slave_addr, + 0x00, &Buffer[0]); + viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. + lvds_chip_slave_addr, + 0x01, &Buffer[1]); + + if (!((Buffer[0] == 0x06) && (Buffer[1] == 0x11))) + return false; + + /* Check Chip ID: */ + viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. + lvds_chip_slave_addr, + 0x02, &Buffer[0]); + viafb_i2c_readbyte((u8) viaparinfo->chip_info->lvds_chip_info. + lvds_chip_slave_addr, + 0x03, &Buffer[1]); + if ((Buffer[0] == 0x45) && (Buffer[1] == 0x33)) { + viaparinfo->chip_info->lvds_chip_info.lvds_chip_name = + VT1636_LVDS; + return true; + } + + return false; +} + +static int get_clk_range_index(u32 Clk) +{ + if (Clk < DPA_CLK_30M) + return DPA_CLK_RANGE_30M; + else if (Clk < DPA_CLK_50M) + return DPA_CLK_RANGE_30_50M; + else if (Clk < DPA_CLK_70M) + return DPA_CLK_RANGE_50_70M; + else if (Clk < DPA_CLK_100M) + return DPA_CLK_RANGE_70_100M; + else if (Clk < DPA_CLK_150M) + return DPA_CLK_RANGE_100_150M; + else + return DPA_CLK_RANGE_150M; +} + +static int get_lvds_dpa_setting_index(int panel_size_id, + struct VT1636_DPA_SETTING *p_vt1636_dpasetting_tbl, + int tbl_size) +{ + int i; + + for (i = 0; i < tbl_size; i++) { + if (panel_size_id == p_vt1636_dpasetting_tbl->PanelSizeID) + return i; + + p_vt1636_dpasetting_tbl++; + } + + return 0; +} + +static void set_dpa_vt1636(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info, + struct VT1636_DPA_SETTING *p_vt1636_dpa_setting) +{ + struct IODATA io_data; + + io_data.Index = 0x09; + io_data.Mask = 0x1F; + io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST1; + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, + plvds_chip_info, io_data); + + io_data.Index = 0x08; + io_data.Mask = 0x0F; + io_data.Data = p_vt1636_dpa_setting->CLK_SEL_ST2; + viafb_gpio_i2c_write_mask_lvds(plvds_setting_info, plvds_chip_info, + io_data); +} + +void viafb_vt1636_patch_skew_on_vt3324( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + int index, size; + + DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3324.\n"); + + /* Graphics DPA settings: */ + index = get_clk_range_index(plvds_setting_info->vclk); + viafb_set_dpa_gfx(plvds_chip_info->output_interface, + &GFX_DPA_SETTING_TBL_VT3324[index]); + + /* LVDS Transmitter DPA settings: */ + size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3324); + index = + get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id, + VT1636_DPA_SETTING_TBL_VT3324, size); + set_dpa_vt1636(plvds_setting_info, plvds_chip_info, + &VT1636_DPA_SETTING_TBL_VT3324[index]); +} + +void viafb_vt1636_patch_skew_on_vt3327( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + int index, size; + + DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3327.\n"); + + /* Graphics DPA settings: */ + index = get_clk_range_index(plvds_setting_info->vclk); + viafb_set_dpa_gfx(plvds_chip_info->output_interface, + &GFX_DPA_SETTING_TBL_VT3327[index]); + + /* LVDS Transmitter DPA settings: */ + size = ARRAY_SIZE(VT1636_DPA_SETTING_TBL_VT3327); + index = + get_lvds_dpa_setting_index(plvds_setting_info->lcd_panel_id, + VT1636_DPA_SETTING_TBL_VT3327, size); + set_dpa_vt1636(plvds_setting_info, plvds_chip_info, + &VT1636_DPA_SETTING_TBL_VT3327[index]); +} + +void viafb_vt1636_patch_skew_on_vt3364( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info) +{ + int index; + + DEBUG_MSG(KERN_INFO "viafb_vt1636_patch_skew_on_vt3364.\n"); + + /* Graphics DPA settings: */ + index = get_clk_range_index(plvds_setting_info->vclk); + viafb_set_dpa_gfx(plvds_chip_info->output_interface, + &GFX_DPA_SETTING_TBL_VT3364[index]); +} diff --git a/drivers/video/via/vt1636.h b/drivers/video/via/vt1636.h new file mode 100644 index 000000000000..2a150c58c7ed --- /dev/null +++ b/drivers/video/via/vt1636.h @@ -0,0 +1,44 @@ +/* + * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. + + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; + * either version 2, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even + * the implied warranty of MERCHANTABILITY or FITNESS FOR + * A PARTICULAR PURPOSE.See the GNU General Public License + * for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _VT1636_H_ +#define _VT1636_H_ +#include "chip.h" +bool viafb_lvds_identify_vt1636(void); +void viafb_init_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, struct lvds_chip_information *plvds_chip_info); +void viafb_enable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_disable_lvds_vt1636(struct lvds_setting_information + *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_vt1636_patch_skew_on_vt3324( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_vt1636_patch_skew_on_vt3327( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); +void viafb_vt1636_patch_skew_on_vt3364( + struct lvds_setting_information *plvds_setting_info, + struct lvds_chip_information *plvds_chip_info); + +#endif -- GitLab From 69e4a7c27c1f0009b5a76b457f2ceeba6e557156 Mon Sep 17 00:00:00 2001 From: Joseph Chan Date: Wed, 15 Oct 2008 22:03:31 -0700 Subject: [PATCH 5459/6244] viafb: MAINTAINERS entry Add maintainers for VIA UniChrome(Pro)/Chrome9 Framebuffer driver Signed-off-by: Joseph Chan Signed-off-by: Scott Fang Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- MAINTAINERS | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 5d0b8a23d639..a3b263fcb623 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4497,6 +4497,14 @@ M: khali@linux-fr.org L: i2c@lm-sensors.org S: Maintained +VIA UNICHROME(PRO)/CHROME9 FRAMEBUFFER DRIVER +P: Joseph Chan +M: JosephChan@via.com.tw +P: Scott Fang +M: ScottFang@viatech.com.cn +L: linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers) +S: Maintained + VIA VELOCITY NETWORK DRIVER P: Francois Romieu M: romieu@fr.zoreil.com -- GitLab From 4edad7f07048b681b0c633e471ad2532d592e876 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:32 -0700 Subject: [PATCH 5460/6244] fbdev: kconfig update Update Kconfig for Permedia 2, Trident and 3Dfx frame buffer drivers. [akpm@linux-foundation.org: fix Kconfig text] Signed-off-by: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/Kconfig | 43 +++++++++++++++++++++++++------------------ 1 file changed, 25 insertions(+), 18 deletions(-) diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index b218ac5e611f..e63e5648e0a6 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -254,16 +254,24 @@ config FB_PM2 select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT help - This is the frame buffer device driver for the Permedia2 AGP frame - buffer card from ASK, aka `Graphic Blaster Exxtreme'. There is a - product page at - . + This is the frame buffer device driver for cards based on + the 3D Labs Permedia, Permedia 2 and Permedia 2V chips. + The driver was tested on the following cards: + Diamond FireGL 1000 PRO AGP + ELSA Gloria Synergy PCI + Appian Jeronimo PRO (both heads) PCI + 3DLabs Oxygen ACX aka EONtronics Picasso P2 PCI + Techsource Raptor GFX-8P (aka Sun PGX-32) on SPARC + ASK Graphic Blaster Exxtreme AGP + + To compile this driver as a module, choose M here: the + module will be called pm2fb. config FB_PM2_FIFO_DISCONNECT bool "enable FIFO disconnect feature" depends on FB_PM2 && PCI help - Support the Permedia2 FIFO disconnect feature (see CONFIG_FB_PM2). + Support the Permedia2 FIFO disconnect feature. config FB_ARMCLCD tristate "ARM PrimeCell PL110 support" @@ -1539,25 +1547,25 @@ config FB_KYRO module will be called kyrofb. config FB_3DFX - tristate "3Dfx Banshee/Voodoo3 display support" + tristate "3Dfx Banshee/Voodoo3/Voodoo5 display support" depends on FB && PCI select FB_CFB_IMAGEBLIT select FB_CFB_FILLRECT select FB_CFB_COPYAREA help - This driver supports graphics boards with the 3Dfx Banshee/Voodoo3 - chips. Say Y if you have such a graphics board. + This driver supports graphics boards with the 3Dfx Banshee, + Voodoo3 or VSA-100 (aka Voodoo4/5) chips. Say Y if you have + such a graphics board. To compile this driver as a module, choose M here: the module will be called tdfxfb. config FB_3DFX_ACCEL - bool "3Dfx Banshee/Voodoo3 Acceleration functions (EXPERIMENTAL)" + bool "3Dfx Acceleration functions (EXPERIMENTAL)" depends on FB_3DFX && EXPERIMENTAL ---help--- - This will compile the 3Dfx Banshee/Voodoo3 frame buffer device - with acceleration functions. - + This will compile the 3Dfx Banshee/Voodoo3/VSA-100 frame buffer + device driver with acceleration functions. config FB_VOODOO1 tristate "3Dfx Voodoo Graphics (sst1) support" @@ -1622,17 +1630,16 @@ config FB_TRIDENT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT ---help--- - This driver is supposed to support graphics boards with the - Trident CyberXXXX/Image/CyberBlade chips mostly found in laptops + This is the frame buffer device driver for Trident PCI/AGP chipsets. + Supported chipset families are TGUI 9440/96XX, 3DImage, Blade3D + and Blade XP. + There are also integrated versions of these chips called CyberXXXX, + CyberImage or CyberBlade. These chips are mostly found in laptops but also on some motherboards. For more information, read - Cyberblade/i1 support will be removed soon, use the cyblafb driver - instead. - Say Y if you have such a graphics board. - To compile this driver as a module, choose M here: the module will be called tridentfb. -- GitLab From 0716a8eab3c8d21b4e36839fa0ee26abbf8e01ef Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:32 -0700 Subject: [PATCH 5461/6244] neofb: kill some redundant code Move common code outside if/else or switch/case clauses. Drop checks done twice inside the neofb_check_var(). Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/neofb.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 6249960b9393..dea864552588 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -426,11 +426,11 @@ static void vgaHWProtect(int on) { unsigned char tmp; + tmp = vga_rseq(NULL, 0x01); if (on) { /* * Turn off screen and disable sequencer. */ - tmp = vga_rseq(NULL, 0x01); vga_wseq(NULL, 0x00, 0x01); /* Synchronous Reset */ vga_wseq(NULL, 0x01, tmp | 0x20); /* disable the display */ @@ -439,7 +439,6 @@ static void vgaHWProtect(int on) /* * Reenable sequencer, then turn on screen. */ - tmp = vga_rseq(NULL, 0x01); vga_wseq(NULL, 0x01, tmp & ~0x20); /* reenable display */ vga_wseq(NULL, 0x00, 0x03); /* clear synchronousreset */ @@ -648,10 +647,10 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->blue.msb_right = 0; var->transp.msb_right = 0; + var->transp.offset = 0; + var->transp.length = 0; switch (var->bits_per_pixel) { case 8: /* PSEUDOCOLOUR, 256 */ - var->transp.offset = 0; - var->transp.length = 0; var->red.offset = 0; var->red.length = 8; var->green.offset = 0; @@ -661,8 +660,6 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) break; case 16: /* DIRECTCOLOUR, 64k */ - var->transp.offset = 0; - var->transp.length = 0; var->red.offset = 11; var->red.length = 5; var->green.offset = 5; @@ -672,8 +669,6 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) break; case 24: /* TRUECOLOUR, 16m */ - var->transp.offset = 0; - var->transp.length = 0; var->red.offset = 16; var->red.length = 8; var->green.offset = 8; @@ -704,8 +699,6 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if (vramlen > 4 * 1024 * 1024) vramlen = 4 * 1024 * 1024; - if (var->yres_virtual < var->yres) - var->yres_virtual = var->yres; if (var->xres_virtual < var->xres) var->xres_virtual = var->xres; @@ -722,8 +715,6 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if it was possible. We should return -EINVAL, but I disagree */ if (var->yres_virtual < var->yres) var->yres = var->yres_virtual; - if (var->xres_virtual < var->xres) - var->xres = var->xres_virtual; if (var->xoffset + var->xres > var->xres_virtual) var->xoffset = var->xres_virtual - var->xres; if (var->yoffset + var->yres > var->yres_virtual) -- GitLab From 9c8db4a265ee5000d8c21634277ec1eb9ceebc7f Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:33 -0700 Subject: [PATCH 5462/6244] vga16fb: remove open_lock mutex Remove mutex from the fb_open/fb_release functions as these operations are mutexed at fb layer. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/vga16fb.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c index e31bca8a0cb2..5b2938903ac2 100644 --- a/drivers/video/vga16fb.c +++ b/drivers/video/vga16fb.c @@ -58,7 +58,6 @@ struct vga16fb_par { unsigned char ClockingMode; /* Seq-Controller:01h */ } vga_state; struct vgastate state; - struct mutex open_lock; unsigned int ref_count; int palette_blanked, vesa_blanked, mode, isVGA; u8 misc, pel_msk, vss, clkdiv; @@ -286,7 +285,6 @@ static int vga16fb_open(struct fb_info *info, int user) { struct vga16fb_par *par = info->par; - mutex_lock(&par->open_lock); if (!par->ref_count) { memset(&par->state, 0, sizeof(struct vgastate)); par->state.flags = VGA_SAVE_FONTS | VGA_SAVE_MODE | @@ -294,7 +292,6 @@ static int vga16fb_open(struct fb_info *info, int user) save_vga(&par->state); } par->ref_count++; - mutex_unlock(&par->open_lock); return 0; } @@ -303,15 +300,12 @@ static int vga16fb_release(struct fb_info *info, int user) { struct vga16fb_par *par = info->par; - mutex_lock(&par->open_lock); - if (!par->ref_count) { - mutex_unlock(&par->open_lock); + if (!par->ref_count) return -EINVAL; - } + if (par->ref_count == 1) restore_vga(&par->state); par->ref_count--; - mutex_unlock(&par->open_lock); return 0; } @@ -1326,7 +1320,6 @@ static int __init vga16fb_probe(struct platform_device *dev) printk(KERN_INFO "vga16fb: mapped to 0x%p\n", info->screen_base); par = info->par; - mutex_init(&par->open_lock); par->isVGA = screen_info.orig_video_isVGA; par->palette_blanked = 0; par->vesa_blanked = 0; -- GitLab From 3a568051f3ae23d1a570a3d58eacde55279c632e Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:33 -0700 Subject: [PATCH 5463/6244] neofb: remove open_lock mutex Remove mutex from the fb_open/fb_release functions as these operations are mutexed at fb layer. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/neofb.c | 10 ++-------- include/video/neomagic.h | 1 - 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index dea864552588..bfb802d26d5a 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -557,14 +557,12 @@ neofb_open(struct fb_info *info, int user) { struct neofb_par *par = info->par; - mutex_lock(&par->open_lock); if (!par->ref_count) { memset(&par->state, 0, sizeof(struct vgastate)); par->state.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS; save_vga(&par->state); } par->ref_count++; - mutex_unlock(&par->open_lock); return 0; } @@ -574,16 +572,13 @@ neofb_release(struct fb_info *info, int user) { struct neofb_par *par = info->par; - mutex_lock(&par->open_lock); - if (!par->ref_count) { - mutex_unlock(&par->open_lock); + if (!par->ref_count) return -EINVAL; - } + if (par->ref_count == 1) { restore_vga(&par->state); } par->ref_count--; - mutex_unlock(&par->open_lock); return 0; } @@ -1958,7 +1953,6 @@ static struct fb_info *__devinit neo_alloc_fb_info(struct pci_dev *dev, const st info->fix.accel = id->driver_data; - mutex_init(&par->open_lock); par->pci_burst = !nopciburst; par->lcd_stretch = !nostretch; par->libretto = libretto; diff --git a/include/video/neomagic.h b/include/video/neomagic.h index 38910da0ae59..08b663782956 100644 --- a/include/video/neomagic.h +++ b/include/video/neomagic.h @@ -123,7 +123,6 @@ typedef volatile struct { struct neofb_par { struct vgastate state; - struct mutex open_lock; unsigned int ref_count; unsigned char MiscOutReg; /* Misc */ -- GitLab From 3b25613c276d390d1dd1d69f238ee779611ccc6c Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:34 -0700 Subject: [PATCH 5464/6244] tdfxfb: do not make changes to default tdfx_fix This was suggested by Geert Uytterhoeven to avoid overwriting of default values from the tdfx_fix. Signed-off-by: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/tdfxfb.c | 48 +++++++++++++++++++++--------------------- 1 file changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c index 4599a4385bc9..14bd3f3680b8 100644 --- a/drivers/video/tdfxfb.c +++ b/drivers/video/tdfxfb.c @@ -1195,57 +1195,58 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, return -ENOMEM; default_par = info->par; + info->fix = tdfx_fix; /* Configure the default fb_fix_screeninfo first */ switch (pdev->device) { case PCI_DEVICE_ID_3DFX_BANSHEE: - strcpy(tdfx_fix.id, "3Dfx Banshee"); + strcpy(info->fix.id, "3Dfx Banshee"); default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK; break; case PCI_DEVICE_ID_3DFX_VOODOO3: - strcpy(tdfx_fix.id, "3Dfx Voodoo3"); + strcpy(info->fix.id, "3Dfx Voodoo3"); default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK; break; case PCI_DEVICE_ID_3DFX_VOODOO5: - strcpy(tdfx_fix.id, "3Dfx Voodoo5"); + strcpy(info->fix.id, "3Dfx Voodoo5"); default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK; break; } - tdfx_fix.mmio_start = pci_resource_start(pdev, 0); - tdfx_fix.mmio_len = pci_resource_len(pdev, 0); - if (!request_mem_region(tdfx_fix.mmio_start, tdfx_fix.mmio_len, + info->fix.mmio_start = pci_resource_start(pdev, 0); + info->fix.mmio_len = pci_resource_len(pdev, 0); + if (!request_mem_region(info->fix.mmio_start, info->fix.mmio_len, "tdfx regbase")) { printk(KERN_ERR "tdfxfb: Can't reserve regbase\n"); goto out_err; } default_par->regbase_virt = - ioremap_nocache(tdfx_fix.mmio_start, tdfx_fix.mmio_len); + ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len); if (!default_par->regbase_virt) { printk(KERN_ERR "fb: Can't remap %s register area.\n", - tdfx_fix.id); + info->fix.id); goto out_err_regbase; } - tdfx_fix.smem_start = pci_resource_start(pdev, 1); - tdfx_fix.smem_len = do_lfb_size(default_par, pdev->device); - if (!tdfx_fix.smem_len) { - printk(KERN_ERR "fb: Can't count %s memory.\n", tdfx_fix.id); + info->fix.smem_start = pci_resource_start(pdev, 1); + info->fix.smem_len = do_lfb_size(default_par, pdev->device); + if (!info->fix.smem_len) { + printk(KERN_ERR "fb: Can't count %s memory.\n", info->fix.id); goto out_err_regbase; } - if (!request_mem_region(tdfx_fix.smem_start, + if (!request_mem_region(info->fix.smem_start, pci_resource_len(pdev, 1), "tdfx smem")) { printk(KERN_ERR "tdfxfb: Can't reserve smem\n"); goto out_err_regbase; } - info->screen_base = ioremap_nocache(tdfx_fix.smem_start, - tdfx_fix.smem_len); + info->screen_base = ioremap_nocache(info->fix.smem_start, + info->fix.smem_len); if (!info->screen_base) { printk(KERN_ERR "fb: Can't remap %s framebuffer.\n", - tdfx_fix.id); + info->fix.id); goto out_err_screenbase; } @@ -1257,20 +1258,19 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev, goto out_err_screenbase; } - printk(KERN_INFO "fb: %s memory = %dK\n", tdfx_fix.id, - tdfx_fix.smem_len >> 10); + printk(KERN_INFO "fb: %s memory = %dK\n", info->fix.id, + info->fix.smem_len >> 10); default_par->mtrr_handle = -1; if (!nomtrr) default_par->mtrr_handle = - mtrr_add(tdfx_fix.smem_start, tdfx_fix.smem_len, + mtrr_add(info->fix.smem_start, info->fix.smem_len, MTRR_TYPE_WRCOMB, 1); - tdfx_fix.ypanstep = nopan ? 0 : 1; - tdfx_fix.ywrapstep = nowrap ? 0 : 1; + info->fix.ypanstep = nopan ? 0 : 1; + info->fix.ywrapstep = nowrap ? 0 : 1; info->fbops = &tdfxfb_ops; - info->fix = tdfx_fix; info->pseudo_palette = default_par->palette; info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; #ifdef CONFIG_FB_3DFX_ACCEL @@ -1323,14 +1323,14 @@ out_err_iobase: out_err_screenbase: if (info->screen_base) iounmap(info->screen_base); - release_mem_region(tdfx_fix.smem_start, pci_resource_len(pdev, 1)); + release_mem_region(info->fix.smem_start, pci_resource_len(pdev, 1)); out_err_regbase: /* * Cleanup after anything that was remapped/allocated. */ if (default_par->regbase_virt) iounmap(default_par->regbase_virt); - release_mem_region(tdfx_fix.mmio_start, tdfx_fix.mmio_len); + release_mem_region(info->fix.mmio_start, info->fix.mmio_len); out_err: framebuffer_release(info); return -ENXIO; -- GitLab From 3f7a26b4b9768fe31597d1af35106aa512dc3742 Mon Sep 17 00:00:00 2001 From: Phil Endecott Date: Wed, 15 Oct 2008 22:03:35 -0700 Subject: [PATCH 5465/6244] intelfb: support 945GME (as used in ASUS Eee 901) Add support for Intel's 945GME graphics chip to the intelfb driver. I have assumed that the 945GME is identical to the already-supported 945GM apart from its PCI IDs; this is based on a quick look at the X driver for these chips which seems to treat them identically. The 945GME is used in the ASUS Eee 901, and I coded this in the hope that I'd be able to use it to get a console at the native 1024x600 resolution which is not known to the BIOS. I realised too late that the intelfb driver does not support mode changing on laptops, so it won't be any use for me. Signed-off-by: Phil Endecott Acked-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/fb/intelfb.txt | 1 + drivers/video/intelfb/intelfb.h | 7 +++++-- drivers/video/intelfb/intelfb_i2c.c | 1 + drivers/video/intelfb/intelfbdrv.c | 7 ++++++- drivers/video/intelfb/intelfbhw.c | 7 +++++++ 5 files changed, 20 insertions(+), 3 deletions(-) diff --git a/Documentation/fb/intelfb.txt b/Documentation/fb/intelfb.txt index 27a3160650a4..dd9e944ea628 100644 --- a/Documentation/fb/intelfb.txt +++ b/Documentation/fb/intelfb.txt @@ -14,6 +14,7 @@ graphics devices. These would include: Intel 915GM Intel 945G Intel 945GM + Intel 945GME Intel 965G Intel 965GM diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h index 3325fbd68ab3..a50bea614804 100644 --- a/drivers/video/intelfb/intelfb.h +++ b/drivers/video/intelfb/intelfb.h @@ -12,9 +12,9 @@ #endif /*** Version/name ***/ -#define INTELFB_VERSION "0.9.5" +#define INTELFB_VERSION "0.9.6" #define INTELFB_MODULE_NAME "intelfb" -#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM" +#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/965G/965GM" /*** Debug/feature defines ***/ @@ -58,6 +58,7 @@ #define PCI_DEVICE_ID_INTEL_915GM 0x2592 #define PCI_DEVICE_ID_INTEL_945G 0x2772 #define PCI_DEVICE_ID_INTEL_945GM 0x27A2 +#define PCI_DEVICE_ID_INTEL_945GME 0x27AE #define PCI_DEVICE_ID_INTEL_965G 0x29A2 #define PCI_DEVICE_ID_INTEL_965GM 0x2A02 @@ -160,6 +161,7 @@ enum intel_chips { INTEL_915GM, INTEL_945G, INTEL_945GM, + INTEL_945GME, INTEL_965G, INTEL_965GM, }; @@ -363,6 +365,7 @@ struct intelfb_info { ((dinfo)->chipset == INTEL_915GM) || \ ((dinfo)->chipset == INTEL_945G) || \ ((dinfo)->chipset == INTEL_945GM) || \ + ((dinfo)->chipset == INTEL_945GME) || \ ((dinfo)->chipset == INTEL_965G) || \ ((dinfo)->chipset == INTEL_965GM)) diff --git a/drivers/video/intelfb/intelfb_i2c.c b/drivers/video/intelfb/intelfb_i2c.c index fcf9fadbf572..5d896b81f4e0 100644 --- a/drivers/video/intelfb/intelfb_i2c.c +++ b/drivers/video/intelfb/intelfb_i2c.c @@ -171,6 +171,7 @@ void intelfb_create_i2c_busses(struct intelfb_info *dinfo) /* has some LVDS + tv-out */ case INTEL_945G: case INTEL_945GM: + case INTEL_945GME: case INTEL_965G: case INTEL_965GM: /* SDVO ports have a single control bus - 2 devices */ diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index e44303f9bc52..a09e23649357 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -2,7 +2,7 @@ * intelfb * * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM/ - * 945G/945GM/965G/965GM integrated graphics chips. + * 945G/945GM/945GME/965G/965GM integrated graphics chips. * * Copyright © 2002, 2003 David Dawes * 2004 Sylvain Meyer @@ -102,6 +102,9 @@ * * 04/2008 - Version 0.9.5 * Add support for 965G/965GM. (Maik Broemme ) + * + * 08/2008 - Version 0.9.6 + * Add support for 945GME. (Phil Endecott ) */ #include @@ -183,6 +186,7 @@ static struct pci_device_id intelfb_pci_table[] __devinitdata = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915GM }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945G }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GM }, + { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GME, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GME }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_965G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_965G }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_965GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_965GM }, { 0, } @@ -555,6 +559,7 @@ static int __devinit intelfb_pci_register(struct pci_dev *pdev, (ent->device == PCI_DEVICE_ID_INTEL_915GM) || (ent->device == PCI_DEVICE_ID_INTEL_945G) || (ent->device == PCI_DEVICE_ID_INTEL_945GM) || + (ent->device == PCI_DEVICE_ID_INTEL_945GME) || (ent->device == PCI_DEVICE_ID_INTEL_965G) || (ent->device == PCI_DEVICE_ID_INTEL_965GM)) { diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 8e6d6a4db0ad..8b26b27c2db6 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -143,6 +143,12 @@ int intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo) dinfo->mobile = 1; dinfo->pll_index = PLLS_I9xx; return 0; + case PCI_DEVICE_ID_INTEL_945GME: + dinfo->name = "Intel(R) 945GME"; + dinfo->chipset = INTEL_945GME; + dinfo->mobile = 1; + dinfo->pll_index = PLLS_I9xx; + return 0; case PCI_DEVICE_ID_INTEL_965G: dinfo->name = "Intel(R) 965G"; dinfo->chipset = INTEL_965G; @@ -186,6 +192,7 @@ int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, case PCI_DEVICE_ID_INTEL_915GM: case PCI_DEVICE_ID_INTEL_945G: case PCI_DEVICE_ID_INTEL_945GM: + case PCI_DEVICE_ID_INTEL_945GME: case PCI_DEVICE_ID_INTEL_965G: case PCI_DEVICE_ID_INTEL_965GM: /* 915, 945 and 965 chipsets support a 256MB aperture. -- GitLab From 786e463e7fcd4ad26fede828f22033584563584a Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:36 -0700 Subject: [PATCH 5466/6244] cirrusfb: remove information about memory size during mode change Remove information about memory size displayed twice each time a display mode change. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index e729fb279645..09f42145a5db 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -1949,8 +1949,6 @@ static void init_vgachip(struct fb_info *info) /* misc... */ WHDR(cinfo, 0); /* Hidden DAC register: - */ - printk(KERN_DEBUG "cirrusfb: This board has %ld bytes of DRAM memory\n", - info->screen_size); DPRINTK("EXIT\n"); return; } -- GitLab From 7528f543889fd460964b42881296b2e84457684e Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:36 -0700 Subject: [PATCH 5467/6244] cirrusfb: simplify clock calculation Simplify clock calculation. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 40 +++++++++++++++++++--------------------- 1 file changed, 19 insertions(+), 21 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 09f42145a5db..dfd12a2dfe72 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -3075,38 +3075,36 @@ static void bestclock(long freq, long *best, long *nom, f = freq * 10; for (n = 32; n < 128; n++) { + int s = 0; + d = (143181 * n) / f; if ((d >= 7) && (d <= 63)) { - if (d > 31) - d = (d / 2) * 2; - h = (14318 * n) / d; + int temp = d; + + if (temp > 31) { + s = 1; + temp >>= 1; + } + h = ((14318 * n) / temp) >> s; if (abs(h - freq) < abs(*best - freq)) { *best = h; *nom = n; - if (d < 32) { - *den = d; - *div = 0; - } else { - *den = d / 2; - *div = 1; - } + *den = temp; + *div = s; } } - d = DIV_ROUND_UP(143181 * n, f); + d++; if ((d >= 7) && (d <= 63)) { - if (d > 31) - d = (d / 2) * 2; - h = (14318 * n) / d; + if (d > 31) { + s = 1; + d >>= 1; + } + h = ((14318 * n) / d) >> s; if (abs(h - freq) < abs(*best - freq)) { *best = h; *nom = n; - if (d < 32) { - *den = d; - *div = 0; - } else { - *den = d / 2; - *div = 1; - } + *den = d; + *div = s; } } } -- GitLab From 1cea9a9a6c3c718eea42f6a936d1e98136d3d011 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:37 -0700 Subject: [PATCH 5468/6244] cirrusfb: remove 24 bpp mode The 24 bpp mode is not implemented. Disallow it in the cirrusfb_check_var() and remove it from checks. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index dfd12a2dfe72..4888ff69f802 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -638,7 +638,6 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, break; /* 8 pixel per byte, only 1/4th of mem usable */ case 8: case 16: - case 24: case 32: break; /* 1 pixel == 1 byte */ default: @@ -713,7 +712,6 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, var->blue.length = 5; break; - case 24: case 32: if (isPReP) { var->red.offset = 8; @@ -782,7 +780,6 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, break; case 16: - case 24: case 32: info->fix.line_length = var->xres_virtual * maxclockidx; info->fix.visual = FB_VISUAL_DIRECTCOLOR; @@ -1360,7 +1357,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info) */ else if (var->bits_per_pixel == 32) { - DPRINTK("cirrusfb: preparing for 24/32 bit deep display\n"); + DPRINTK("cirrusfb: preparing for 32 bit deep display\n"); switch (cinfo->btype) { case BT_SD64: /* Extended Sequencer Mode: 256c col. mode */ @@ -2233,7 +2230,7 @@ static int cirrusfb_set_fbinfo(struct fb_info *info) if (cinfo->btype == BT_GD5480) { if (var->bits_per_pixel == 16) info->screen_base += 1 * MB_; - if (var->bits_per_pixel == 24 || var->bits_per_pixel == 32) + if (var->bits_per_pixel == 32) info->screen_base += 2 * MB_; } -- GitLab From 64beab14f53790e59a4e0a9ef1d752c12ad54a62 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:38 -0700 Subject: [PATCH 5469/6244] cirrusfb: drop device pointers from cirrusfb_info The device pointer can be easily obtained from fb_info->device if needed. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 4888ff69f802..0eb429a35732 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -367,15 +367,8 @@ struct cirrusfb_info { struct cirrusfb_regs currentmode; int blank_mode; + u32 pseudo_palette[16]; - u32 pseudo_palette[16]; - -#ifdef CONFIG_ZORRO - struct zorro_dev *zdev; -#endif -#ifdef CONFIG_PCI - struct pci_dev *pdev; -#endif void (*unmap)(struct fb_info *info); }; @@ -2183,8 +2176,7 @@ static void get_pci_addrs(const struct pci_dev *pdev, static void cirrusfb_pci_unmap(struct fb_info *info) { - struct cirrusfb_info *cinfo = info->par; - struct pci_dev *pdev = cinfo->pdev; + struct pci_dev *pdev = to_pci_dev(info->device); iounmap(info->screen_base); #if 0 /* if system didn't claim this region, we would... */ @@ -2200,14 +2192,16 @@ static void cirrusfb_pci_unmap(struct fb_info *info) static void __devexit cirrusfb_zorro_unmap(struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; - zorro_release_device(cinfo->zdev); + struct zorro_dev *zdev = to_zorro_dev(info->device); + + zorro_release_device(zdev); if (cinfo->btype == BT_PICASSO4) { cinfo->regbase -= 0x600000; iounmap((void *)cinfo->regbase); iounmap(info->screen_base); } else { - if (zorro_resource_start(cinfo->zdev) > 0x01000000) + if (zorro_resource_start(zdev) > 0x01000000) iounmap(info->screen_base); } } @@ -2348,7 +2342,6 @@ static int cirrusfb_pci_register(struct pci_dev *pdev, } cinfo = info->par; - cinfo->pdev = pdev; cinfo->btype = btype = (enum cirrus_board) ent->driver_data; DPRINTK(" Found PCI device, base address 0 is 0x%x, btype set to %d\n", @@ -2484,7 +2477,6 @@ static int cirrusfb_zorro_register(struct zorro_dev *z, assert(z); assert(btype != BT_NONE); - cinfo->zdev = z; board_addr = zorro_resource_start(z); board_size = zorro_resource_len(z); info->screen_size = size; -- GitLab From a1d35a7a50d01b445e29d87f479f8c055a414f7e Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:38 -0700 Subject: [PATCH 5470/6244] cirrusfb: use modedb and add mode_option parameter Use modedb for initial mode instead of table of few predefined modes. Add mode_option module parameter as a step toward unification of frame buffers' parameters. Signed-off-by: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 126 +++++++-------------------------------- 1 file changed, 21 insertions(+), 105 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 0eb429a35732..4c16b68a9c5a 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -372,98 +372,8 @@ struct cirrusfb_info { void (*unmap)(struct fb_info *info); }; -static unsigned cirrusfb_def_mode = 1; static int noaccel; - -/* - * Predefined Video Modes - */ - -static const struct { - const char *name; - struct fb_var_screeninfo var; -} cirrusfb_predefined[] = { - { - /* autodetect mode */ - .name = "Autodetect", - }, { - /* 640x480, 31.25 kHz, 60 Hz, 25 MHz PixClock */ - .name = "640x480", - .var = { - .xres = 640, - .yres = 480, - .xres_virtual = 640, - .yres_virtual = 480, - .bits_per_pixel = 8, - .red = { .length = 8 }, - .green = { .length = 8 }, - .blue = { .length = 8 }, - .width = -1, - .height = -1, - .pixclock = 40000, - .left_margin = 48, - .right_margin = 16, - .upper_margin = 32, - .lower_margin = 8, - .hsync_len = 96, - .vsync_len = 4, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, - .vmode = FB_VMODE_NONINTERLACED - } - }, { - /* 800x600, 48 kHz, 76 Hz, 50 MHz PixClock */ - .name = "800x600", - .var = { - .xres = 800, - .yres = 600, - .xres_virtual = 800, - .yres_virtual = 600, - .bits_per_pixel = 8, - .red = { .length = 8 }, - .green = { .length = 8 }, - .blue = { .length = 8 }, - .width = -1, - .height = -1, - .pixclock = 20000, - .left_margin = 128, - .right_margin = 16, - .upper_margin = 24, - .lower_margin = 2, - .hsync_len = 96, - .vsync_len = 6, - .vmode = FB_VMODE_NONINTERLACED - } - }, { - /* - * Modeline from XF86Config: - * Mode "1024x768" 80 1024 1136 1340 1432 768 770 774 805 - */ - /* 1024x768, 55.8 kHz, 70 Hz, 80 MHz PixClock */ - .name = "1024x768", - .var = { - .xres = 1024, - .yres = 768, - .xres_virtual = 1024, - .yres_virtual = 768, - .bits_per_pixel = 8, - .red = { .length = 8 }, - .green = { .length = 8 }, - .blue = { .length = 8 }, - .width = -1, - .height = -1, - .pixclock = 12500, - .left_margin = 144, - .right_margin = 32, - .upper_margin = 30, - .lower_margin = 2, - .hsync_len = 192, - .vsync_len = 6, - .vmode = FB_VMODE_NONINTERLACED - } - } -}; - -#define NUM_TOTAL_MODES ARRAY_SIZE(cirrusfb_predefined) +static char *mode_option __devinitdata = "640x480@60"; /****************************************************************************/ /**** BEGIN PROTOTYPES ******************************************************/ @@ -2267,23 +2177,27 @@ static int cirrusfb_register(struct fb_info *info) /* sanity checks */ assert(btype != BT_NONE); + /* set all the vital stuff */ + cirrusfb_set_fbinfo(info); + DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", info->screen_base); - /* Make pretend we've set the var so our structures are in a "good" */ - /* state, even though we haven't written the mode to the hw yet... */ - info->var = cirrusfb_predefined[cirrusfb_def_mode].var; + err = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8); + if (!err) { + DPRINTK("wrong initial video mode\n"); + err = -EINVAL; + goto err_dealloc_cmap; + } + info->var.activate = FB_ACTIVATE_NOW; err = cirrusfb_decode_var(&info->var, &cinfo->currentmode, info); if (err < 0) { /* should never happen */ DPRINTK("choking on default var... umm, no good.\n"); - goto err_unmap_cirrusfb; + goto err_dealloc_cmap; } - /* set all the vital stuff */ - cirrusfb_set_fbinfo(info); - err = register_framebuffer(info); if (err < 0) { printk(KERN_ERR "cirrusfb: could not register " @@ -2296,7 +2210,6 @@ static int cirrusfb_register(struct fb_info *info) err_dealloc_cmap: fb_dealloc_cmap(&info->cmap); -err_unmap_cirrusfb: cinfo->unmap(info); framebuffer_release(info); return err; @@ -2608,17 +2521,17 @@ static int __init cirrusfb_setup(char *options) { return 0; while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) continue; + if (!*this_opt) + continue; DPRINTK("cirrusfb_setup: option '%s'\n", this_opt); - for (i = 0; i < NUM_TOTAL_MODES; i++) { - sprintf(s, "mode:%s", cirrusfb_predefined[i].name); - if (strcmp(this_opt, s) == 0) - cirrusfb_def_mode = i; - } if (!strcmp(this_opt, "noaccel")) noaccel = 1; + else if (!strncmp(this_opt, "mode:", 5)) + mode_option = this_opt + 5; + else + mode_option = this_opt; } return 0; } @@ -2644,6 +2557,9 @@ static void __exit cirrusfb_exit(void) module_init(cirrusfb_init); +module_param(mode_option, charp, 0); +MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); + #ifdef MODULE module_exit(cirrusfb_exit); #endif -- GitLab From c395d3e8c7ed6d61ee87cb49187111122c8a499c Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:39 -0700 Subject: [PATCH 5471/6244] cirrusfb: add __devinit attribute to probing functions Add __devinit attribute to probing functions. This fixed section mismatch warning from my previous patch. Kill one redundant forward declaration. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 4c16b68a9c5a..4e34a6817435 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -417,10 +417,6 @@ static struct fb_ops cirrusfb_ops = { .fb_imageblit = cirrusfb_imageblit, }; -/*--- Hardware Specific Routines -------------------------------------------*/ -static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, - struct cirrusfb_regs *regs, - struct fb_info *info); /*--- Internal routines ----------------------------------------------------*/ static void init_vgachip(struct fb_info *info); static void switch_monitor(struct cirrusfb_info *cinfo, int on); @@ -2020,7 +2016,7 @@ static int release_io_ports; * based on the DRAM bandwidth bit and DRAM bank switching bit. This * works with 1MB, 2MB and 4MB configurations (which the Motorola boards * seem to have. */ -static unsigned int cirrusfb_get_memsize(u8 __iomem *regbase) +static unsigned int __devinit cirrusfb_get_memsize(u8 __iomem *regbase) { unsigned long mem; unsigned char SRF; @@ -2117,7 +2113,7 @@ static void __devexit cirrusfb_zorro_unmap(struct fb_info *info) } #endif /* CONFIG_ZORRO */ -static int cirrusfb_set_fbinfo(struct fb_info *info) +static int __devinit cirrusfb_set_fbinfo(struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; struct fb_var_screeninfo *var = &info->var; @@ -2161,7 +2157,7 @@ static int cirrusfb_set_fbinfo(struct fb_info *info) return 0; } -static int cirrusfb_register(struct fb_info *info) +static int __devinit cirrusfb_register(struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; int err; @@ -2232,8 +2228,8 @@ static void __devexit cirrusfb_cleanup(struct fb_info *info) } #ifdef CONFIG_PCI -static int cirrusfb_pci_register(struct pci_dev *pdev, - const struct pci_device_id *ent) +static int __devinit cirrusfb_pci_register(struct pci_dev *pdev, + const struct pci_device_id *ent) { struct cirrusfb_info *cinfo; struct fb_info *info; @@ -2360,8 +2356,8 @@ static struct pci_driver cirrusfb_pci_driver = { #endif /* CONFIG_PCI */ #ifdef CONFIG_ZORRO -static int cirrusfb_zorro_register(struct zorro_dev *z, - const struct zorro_device_id *ent) +static int __devinit cirrusfb_zorro_register(struct zorro_dev *z, + const struct zorro_device_id *ent) { struct cirrusfb_info *cinfo; struct fb_info *info; -- GitLab From 9a85cf51fb880e24179fc45d3ee7d5ff1eb58c3a Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:39 -0700 Subject: [PATCH 5472/6244] cirrusfb: eliminate CRT registers from global structure Move calculations of CRT register values into the cirrusfb_set_par_foo() where the values are used. Signed-off-by: Krzysztof Helt Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 192 +++++++++++++++++---------------------- 1 file changed, 83 insertions(+), 109 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 4e34a6817435..573bd456e5ab 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -334,22 +334,6 @@ struct cirrusfb_regs { long multiplexing; long mclk; long divMCLK; - - long HorizRes; /* The x resolution in pixel */ - long HorizTotal; - long HorizDispEnd; - long HorizBlankStart; - long HorizBlankEnd; - long HorizSyncStart; - long HorizSyncEnd; - - long VertRes; /* the physical y resolution in scanlines */ - long VertTotal; - long VertDispEnd; - long VertSyncStart; - long VertSyncEnd; - long VertBlankStart; - long VertBlankEnd; }; #ifdef CIRRUSFB_DEBUG @@ -664,8 +648,6 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, long maxclock; int maxclockidx = var->bits_per_pixel >> 3; struct cirrusfb_info *cinfo = info->par; - int xres, hfront, hsync, hback; - int yres, vfront, vsync, vback; switch (var->bits_per_pixel) { case 1: @@ -723,7 +705,7 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, switch (var->bits_per_pixel) { case 16: case 32: - if (regs->HorizRes <= 800) + if (var->xres <= 800) /* Xbh has this type of clock for 32-bit */ freq /= 2; break; @@ -735,57 +717,6 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, regs->mclk = cirrusfb_get_mclk(freq, var->bits_per_pixel, ®s->divMCLK); - xres = var->xres; - hfront = var->right_margin; - hsync = var->hsync_len; - hback = var->left_margin; - - yres = var->yres; - vfront = var->lower_margin; - vsync = var->vsync_len; - vback = var->upper_margin; - - if (var->vmode & FB_VMODE_DOUBLE) { - yres *= 2; - vfront *= 2; - vsync *= 2; - vback *= 2; - } else if (var->vmode & FB_VMODE_INTERLACED) { - yres = (yres + 1) / 2; - vfront = (vfront + 1) / 2; - vsync = (vsync + 1) / 2; - vback = (vback + 1) / 2; - } - regs->HorizRes = xres; - regs->HorizTotal = (xres + hfront + hsync + hback) / 8 - 5; - regs->HorizDispEnd = xres / 8 - 1; - regs->HorizBlankStart = xres / 8; - /* does not count with "-5" */ - regs->HorizBlankEnd = regs->HorizTotal + 5; - regs->HorizSyncStart = (xres + hfront) / 8 + 1; - regs->HorizSyncEnd = (xres + hfront + hsync) / 8 + 1; - - regs->VertRes = yres; - regs->VertTotal = yres + vfront + vsync + vback - 2; - regs->VertDispEnd = yres - 1; - regs->VertBlankStart = yres; - regs->VertBlankEnd = regs->VertTotal; - regs->VertSyncStart = yres + vfront - 1; - regs->VertSyncEnd = yres + vfront + vsync - 1; - - if (regs->VertRes >= 1024) { - regs->VertTotal /= 2; - regs->VertSyncStart /= 2; - regs->VertSyncEnd /= 2; - regs->VertDispEnd /= 2; - } - if (regs->multiplexing) { - regs->HorizTotal /= 2; - regs->HorizSyncStart /= 2; - regs->HorizSyncEnd /= 2; - regs->HorizDispEnd /= 2; - } - return 0; } @@ -823,6 +754,8 @@ static int cirrusfb_set_par_foo(struct fb_info *info) unsigned char tmp; int offset = 0, err; const struct cirrusfb_board_info_rec *bi; + int hdispend, hsyncstart, hsyncend, htotal; + int yres, vdispend, vsyncstart, vsyncend, vtotal; DPRINTK("ENTER\n"); DPRINTK("Requested mode: %dx%dx%d\n", @@ -840,76 +773,117 @@ static int cirrusfb_set_par_foo(struct fb_info *info) bi = &cirrusfb_board_info[cinfo->btype]; + hsyncstart = var->xres + var->right_margin; + hsyncend = hsyncstart + var->hsync_len; + htotal = (hsyncend + var->left_margin) / 8 - 5; + hdispend = var->xres / 8 - 1; + hsyncstart = hsyncstart / 8 + 1; + hsyncend = hsyncend / 8 + 1; + + yres = var->yres; + vsyncstart = yres + var->lower_margin; + vsyncend = vsyncstart + var->vsync_len; + vtotal = vsyncend + var->upper_margin; + vdispend = yres - 1; + + if (var->vmode & FB_VMODE_DOUBLE) { + yres *= 2; + vsyncstart *= 2; + vsyncend *= 2; + vtotal *= 2; + } else if (var->vmode & FB_VMODE_INTERLACED) { + yres = (yres + 1) / 2; + vsyncstart = (vsyncstart + 1) / 2; + vsyncend = (vsyncend + 1) / 2; + vtotal = (vtotal + 1) / 2; + } + + vtotal -= 2; + vsyncstart -= 1; + vsyncend -= 1; + + if (yres >= 1024) { + vtotal /= 2; + vsyncstart /= 2; + vsyncend /= 2; + vdispend /= 2; + } + if (regs.multiplexing) { + htotal /= 2; + hsyncstart /= 2; + hsyncend /= 2; + hdispend /= 2; + } /* unlock register VGA_CRTC_H_TOTAL..CRT7 */ vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, 0x20); /* previously: 0x00) */ /* if debugging is enabled, all parameters get output before writing */ - DPRINTK("CRT0: %ld\n", regs.HorizTotal); - vga_wcrt(regbase, VGA_CRTC_H_TOTAL, regs.HorizTotal); + DPRINTK("CRT0: %d\n", htotal); + vga_wcrt(regbase, VGA_CRTC_H_TOTAL, htotal); - DPRINTK("CRT1: %ld\n", regs.HorizDispEnd); - vga_wcrt(regbase, VGA_CRTC_H_DISP, regs.HorizDispEnd); + DPRINTK("CRT1: %d\n", hdispend); + vga_wcrt(regbase, VGA_CRTC_H_DISP, hdispend); - DPRINTK("CRT2: %ld\n", regs.HorizBlankStart); - vga_wcrt(regbase, VGA_CRTC_H_BLANK_START, regs.HorizBlankStart); + DPRINTK("CRT2: %d\n", var->xres / 8); + vga_wcrt(regbase, VGA_CRTC_H_BLANK_START, var->xres / 8); /* + 128: Compatible read */ - DPRINTK("CRT3: 128+%ld\n", regs.HorizBlankEnd % 32); + DPRINTK("CRT3: 128+%d\n", (htotal + 5) % 32); vga_wcrt(regbase, VGA_CRTC_H_BLANK_END, - 128 + (regs.HorizBlankEnd % 32)); + 128 + ((htotal + 5) % 32)); - DPRINTK("CRT4: %ld\n", regs.HorizSyncStart); - vga_wcrt(regbase, VGA_CRTC_H_SYNC_START, regs.HorizSyncStart); + DPRINTK("CRT4: %d\n", hsyncstart); + vga_wcrt(regbase, VGA_CRTC_H_SYNC_START, hsyncstart); - tmp = regs.HorizSyncEnd % 32; - if (regs.HorizBlankEnd & 32) + tmp = hsyncend % 32; + if ((htotal + 5) & 32) tmp += 128; DPRINTK("CRT5: %d\n", tmp); vga_wcrt(regbase, VGA_CRTC_H_SYNC_END, tmp); - DPRINTK("CRT6: %ld\n", regs.VertTotal & 0xff); - vga_wcrt(regbase, VGA_CRTC_V_TOTAL, (regs.VertTotal & 0xff)); + DPRINTK("CRT6: %d\n", vtotal & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_TOTAL, vtotal & 0xff); tmp = 16; /* LineCompare bit #9 */ - if (regs.VertTotal & 256) + if (vtotal & 256) tmp |= 1; - if (regs.VertDispEnd & 256) + if (vdispend & 256) tmp |= 2; - if (regs.VertSyncStart & 256) + if (vsyncstart & 256) tmp |= 4; - if (regs.VertBlankStart & 256) + if ((vdispend + 1) & 256) tmp |= 8; - if (regs.VertTotal & 512) + if (vtotal & 512) tmp |= 32; - if (regs.VertDispEnd & 512) + if (vdispend & 512) tmp |= 64; - if (regs.VertSyncStart & 512) + if (vsyncstart & 512) tmp |= 128; DPRINTK("CRT7: %d\n", tmp); vga_wcrt(regbase, VGA_CRTC_OVERFLOW, tmp); tmp = 0x40; /* LineCompare bit #8 */ - if (regs.VertBlankStart & 512) + if ((vdispend + 1) & 512) tmp |= 0x20; if (var->vmode & FB_VMODE_DOUBLE) tmp |= 0x80; DPRINTK("CRT9: %d\n", tmp); vga_wcrt(regbase, VGA_CRTC_MAX_SCAN, tmp); - DPRINTK("CRT10: %ld\n", regs.VertSyncStart & 0xff); - vga_wcrt(regbase, VGA_CRTC_V_SYNC_START, regs.VertSyncStart & 0xff); + DPRINTK("CRT10: %d\n", vsyncstart & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_SYNC_START, vsyncstart & 0xff); - DPRINTK("CRT11: 64+32+%ld\n", regs.VertSyncEnd % 16); - vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, regs.VertSyncEnd % 16 + 64 + 32); + DPRINTK("CRT11: 64+32+%d\n", vsyncend % 16); + vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, vsyncend % 16 + 64 + 32); - DPRINTK("CRT12: %ld\n", regs.VertDispEnd & 0xff); - vga_wcrt(regbase, VGA_CRTC_V_DISP_END, regs.VertDispEnd & 0xff); + DPRINTK("CRT12: %d\n", vdispend & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_DISP_END, vdispend & 0xff); - DPRINTK("CRT15: %ld\n", regs.VertBlankStart & 0xff); - vga_wcrt(regbase, VGA_CRTC_V_BLANK_START, regs.VertBlankStart & 0xff); + DPRINTK("CRT15: %d\n", (vdispend + 1) & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_BLANK_START, (vdispend + 1) & 0xff); - DPRINTK("CRT16: %ld\n", regs.VertBlankEnd & 0xff); - vga_wcrt(regbase, VGA_CRTC_V_BLANK_END, regs.VertBlankEnd & 0xff); + DPRINTK("CRT16: %d\n", vtotal & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_BLANK_END, vtotal & 0xff); DPRINTK("CRT18: 0xff\n"); vga_wcrt(regbase, VGA_CRTC_LINE_COMPARE, 0xff); @@ -917,13 +891,13 @@ static int cirrusfb_set_par_foo(struct fb_info *info) tmp = 0; if (var->vmode & FB_VMODE_INTERLACED) tmp |= 1; - if (regs.HorizBlankEnd & 64) + if ((htotal + 5) & 64) tmp |= 16; - if (regs.HorizBlankEnd & 128) + if ((htotal + 5) & 128) tmp |= 32; - if (regs.VertBlankEnd & 256) + if (vtotal & 256) tmp |= 64; - if (regs.VertBlankEnd & 512) + if (vtotal & 512) tmp |= 128; DPRINTK("CRT1a: %d\n", tmp); @@ -948,7 +922,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info) DPRINTK("CL_SEQR1B: %ld\n", (long) tmp); vga_wseq(regbase, CL_SEQR1B, tmp); - if (regs.VertRes >= 1024) + if (yres >= 1024) /* 1280x1024 */ vga_wcrt(regbase, VGA_CRTC_MODE, 0xc7); else @@ -962,7 +936,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info) /* don't know if it would hurt to also program this if no interlaced */ /* mode is used, but I feel better this way.. :-) */ if (var->vmode & FB_VMODE_INTERLACED) - vga_wcrt(regbase, VGA_CRTC_REGS, regs.HorizTotal / 2); + vga_wcrt(regbase, VGA_CRTC_REGS, htotal / 2); else vga_wcrt(regbase, VGA_CRTC_REGS, 0x00); /* interlace control */ @@ -1208,7 +1182,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info) case BT_ALPINE: DPRINTK(" (for GD543x)\n"); - if (regs.HorizRes >= 1024) + if (var->xres >= 1024) vga_wseq(regbase, CL_SEQR7, 0xa7); else vga_wseq(regbase, CL_SEQR7, 0xa3); -- GitLab From dafa32c5a1da19edca1d5c1b74d30d5d07b9befd Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:40 -0700 Subject: [PATCH 5473/6244] cirrusfb: drop clock fields from cirrusfb_regs structure Move call to pixclock calculation into the cirrusfb_set_par_foo(). It makes copy of clock registers redundant. Simplify clock calculations further. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 50 +++++++++++++++++----------------------- 1 file changed, 21 insertions(+), 29 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 573bd456e5ab..30c47f167608 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -327,10 +327,6 @@ static const struct { #endif /* CONFIG_ZORRO */ struct cirrusfb_regs { - long freq; - long nom; - long den; - long div; long multiplexing; long mclk; long divMCLK; @@ -429,9 +425,7 @@ static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel, u_short width, u_short height, u_char color, u_short line_length); -static void bestclock(long freq, long *best, - long *nom, long *den, - long *div, long maxfreq); +static void bestclock(long freq, int *nom, int *den, int *div); #ifdef CIRRUSFB_DEBUG static void cirrusfb_dump(void); @@ -711,9 +705,6 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, break; } #endif - - bestclock(freq, ®s->freq, ®s->nom, ®s->den, ®s->div, - maxclock); regs->mclk = cirrusfb_get_mclk(freq, var->bits_per_pixel, ®s->divMCLK); @@ -756,6 +747,8 @@ static int cirrusfb_set_par_foo(struct fb_info *info) const struct cirrusfb_board_info_rec *bi; int hdispend, hsyncstart, hsyncend, htotal; int yres, vdispend, vsyncstart, vsyncend, vtotal; + long freq; + int nom, den, div; DPRINTK("ENTER\n"); DPRINTK("Requested mode: %dx%dx%d\n", @@ -903,14 +896,17 @@ static int cirrusfb_set_par_foo(struct fb_info *info) DPRINTK("CRT1a: %d\n", tmp); vga_wcrt(regbase, CL_CRT1A, tmp); + freq = PICOS2KHZ(var->pixclock); + bestclock(freq, &nom, &den, &div); + /* set VCLK0 */ /* hardware RefClock: 14.31818 MHz */ /* formula: VClk = (OSC * N) / (D * (1+P)) */ /* Example: VClk = (14.31818 * 91) / (23 * (1+1)) = 28.325 MHz */ - vga_wseq(regbase, CL_SEQRB, regs.nom); - tmp = regs.den << 1; - if (regs.div != 0) + vga_wseq(regbase, CL_SEQRB, nom); + tmp = den << 1; + if (div != 0) tmp |= 1; /* 6 bit denom; ONLY 5434!!! (bugged me 10 days) */ @@ -2923,16 +2919,14 @@ static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel, * bestclock() - determine closest possible clock lower(?) than the * desired pixel clock **************************************************************************/ -static void bestclock(long freq, long *best, long *nom, - long *den, long *div, long maxfreq) +static void bestclock(long freq, int *nom, int *den, int *div) { - long n, h, d, f; + int n, d; + long h, diff; - assert(best != NULL); assert(nom != NULL); assert(den != NULL); assert(div != NULL); - assert(maxfreq > 0); *nom = 0; *den = 0; @@ -2943,16 +2937,12 @@ static void bestclock(long freq, long *best, long *nom, if (freq < 8000) freq = 8000; - if (freq > maxfreq) - freq = maxfreq; - - *best = 0; - f = freq * 10; + diff = freq; for (n = 32; n < 128; n++) { int s = 0; - d = (143181 * n) / f; + d = (14318 * n) / freq; if ((d >= 7) && (d <= 63)) { int temp = d; @@ -2961,8 +2951,9 @@ static void bestclock(long freq, long *best, long *nom, temp >>= 1; } h = ((14318 * n) / temp) >> s; - if (abs(h - freq) < abs(*best - freq)) { - *best = h; + h = h > freq ? h - freq : freq - h; + if (h < diff) { + diff = h; *nom = n; *den = temp; *div = s; @@ -2975,8 +2966,9 @@ static void bestclock(long freq, long *best, long *nom, d >>= 1; } h = ((14318 * n) / d) >> s; - if (abs(h - freq) < abs(*best - freq)) { - *best = h; + h = h > freq ? h - freq : freq - h; + if (h < diff) { + diff = h; *nom = n; *den = d; *div = s; @@ -2985,7 +2977,7 @@ static void bestclock(long freq, long *best, long *nom, } DPRINTK("Best possible values for given frequency:\n"); - DPRINTK(" best: %ld kHz nom: %ld den: %ld div: %ld\n", + DPRINTK(" freq: %ld kHz nom: %d den: %d div: %d\n", freq, *nom, *den, *div); DPRINTK("EXIT\n"); -- GitLab From 55a0dd83eb24a89fd448006aaa9326df643861ae Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:41 -0700 Subject: [PATCH 5474/6244] cirrusfb: add noaccel module parameter The noaccel parameter is already handled if the driver is not built as module. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 30c47f167608..245005e61e40 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -352,7 +352,7 @@ struct cirrusfb_info { void (*unmap)(struct fb_info *info); }; -static int noaccel; +static int noaccel __devinitdata; static char *mode_option __devinitdata = "640x480@60"; /****************************************************************************/ @@ -2525,6 +2525,8 @@ module_init(cirrusfb_init); module_param(mode_option, charp, 0); MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); +module_param(noaccel, bool, 0); +MODULE_PARM_DESC(noaccel, "Disable acceleration"); #ifdef MODULE module_exit(cirrusfb_exit); -- GitLab From 3b921832d483a2b9d6fabdbb5f871a4f18cb9b65 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:41 -0700 Subject: [PATCH 5475/6244] cirrusfb: fix 16bpp modes The 16bpp mode did not work on the Cirrus cards as the visual type was set to DIRECTCOLOR instead of TRUECOLOR. The Alpine family used one incorrect register setting so this 16bpp modes generated wrong horizontal frequency. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 245005e61e40..9e0a1c58fde4 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -657,7 +657,7 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, case 16: case 32: info->fix.line_length = var->xres_virtual * maxclockidx; - info->fix.visual = FB_VISUAL_DIRECTCOLOR; + info->fix.visual = FB_VISUAL_TRUECOLOR; break; default: @@ -1178,10 +1178,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info) case BT_ALPINE: DPRINTK(" (for GD543x)\n"); - if (var->xres >= 1024) - vga_wseq(regbase, CL_SEQR7, 0xa7); - else - vga_wseq(regbase, CL_SEQR7, 0xa3); + vga_wseq(regbase, CL_SEQR7, 0xa7); cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); break; -- GitLab From 486ff387c0f27030a3cfb142469ba140f2d8976e Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Wed, 15 Oct 2008 22:03:42 -0700 Subject: [PATCH 5476/6244] cirrusfb: do not change MCLK for Alpine chips A memory clock value (MCLK) is changed to a minimum required by a current mode bandwidth. This usually lowers the MCLK to its minimum (50 MHz) thus decreasing the card performance. Just leave the MCLK value set by card BIOS. The CL-GD5446 Technical Reference Manual point 9.9.1.3 states that if a pixclock value is close (~1%) to the MCLK or MCLK/2 this may result in a jitter on the screen. A countermeasure is to use the MCLK as pixclock source instead of a VCLK. The patch implements this as well. Signed-off-by: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/cirrusfb.c | 119 +++++++++++++++++---------------------- 1 file changed, 53 insertions(+), 66 deletions(-) diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 9e0a1c58fde4..048b139f0e50 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -327,9 +327,7 @@ static const struct { #endif /* CONFIG_ZORRO */ struct cirrusfb_regs { - long multiplexing; - long mclk; - long divMCLK; + int multiplexing; }; #ifdef CIRRUSFB_DEBUG @@ -461,45 +459,28 @@ static int cirrusfb_release(struct fb_info *info, int user) /****************************************************************************/ /**** BEGIN Hardware specific Routines **************************************/ -/* Get a good MCLK value */ -static long cirrusfb_get_mclk(long freq, int bpp, long *div) +/* Check if the MCLK is not a better clock source */ +static int cirrusfb_check_mclk(struct cirrusfb_info *cinfo, long freq) { - long mclk; + long mclk = vga_rseq(cinfo->regbase, CL_SEQR1F) & 0x3f; - assert(div != NULL); - - /* Calculate MCLK, in case VCLK is high enough to require > 50MHz. - * Assume a 64-bit data path for now. The formula is: - * ((B * PCLK * 2)/W) * 1.2 - * B = bytes per pixel, PCLK = pixclock, W = data width in bytes */ - mclk = ((bpp / 8) * freq * 2) / 4; - mclk = (mclk * 12) / 10; - if (mclk < 50000) - mclk = 50000; - DPRINTK("Use MCLK of %ld kHz\n", mclk); - - /* Calculate value for SR1F. Multiply by 2 so we can round up. */ - mclk = ((mclk * 16) / 14318); - mclk = (mclk + 1) / 2; - DPRINTK("Set SR1F[5:0] to 0x%lx\n", mclk); + /* Read MCLK value */ + mclk = (14318 * mclk) >> 3; + DPRINTK("Read MCLK of %ld kHz\n", mclk); /* Determine if we should use MCLK instead of VCLK, and if so, what we - * should divide it by to get VCLK */ - switch (freq) { - case 24751 ... 25249: - *div = 2; - DPRINTK("Using VCLK = MCLK/2\n"); - break; - case 49501 ... 50499: - *div = 1; + * should divide it by to get VCLK + */ + + if (abs(freq - mclk) < 250) { DPRINTK("Using VCLK = MCLK\n"); - break; - default: - *div = 0; - break; + return 1; + } else if (abs(freq - (mclk / 2)) < 250) { + DPRINTK("Using VCLK = MCLK/2\n"); + return 2; } - return mclk; + return 0; } static int cirrusfb_check_var(struct fb_var_screeninfo *var, @@ -705,30 +686,27 @@ static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, break; } #endif - regs->mclk = cirrusfb_get_mclk(freq, var->bits_per_pixel, - ®s->divMCLK); - return 0; } -static void cirrusfb_set_mclk(const struct cirrusfb_info *cinfo, int val, - int div) +static void cirrusfb_set_mclk_as_source(const struct cirrusfb_info *cinfo, + int div) { + unsigned char old1f, old1e; assert(cinfo != NULL); + old1f = vga_rseq(cinfo->regbase, CL_SEQR1F) & ~0x40; - if (div == 2) { - /* VCLK = MCLK/2 */ - unsigned char old = vga_rseq(cinfo->regbase, CL_SEQR1E); - vga_wseq(cinfo->regbase, CL_SEQR1E, old | 0x1); - vga_wseq(cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); - } else if (div == 1) { - /* VCLK = MCLK */ - unsigned char old = vga_rseq(cinfo->regbase, CL_SEQR1E); - vga_wseq(cinfo->regbase, CL_SEQR1E, old & ~0x1); - vga_wseq(cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); - } else { - vga_wseq(cinfo->regbase, CL_SEQR1F, val & 0x3f); + if (div) { + DPRINTK("Set %s as pixclock source.\n", + (div == 2) ? "MCLK/2" : "MCLK"); + old1f |= 0x40; + old1e = vga_rseq(cinfo->regbase, CL_SEQR1E) & ~0x1; + if (div == 2) + old1e |= 1; + + vga_wseq(cinfo->regbase, CL_SEQR1E, old1e); } + vga_wseq(cinfo->regbase, CL_SEQR1F, old1f); } /************************************************************************* @@ -904,19 +882,31 @@ static int cirrusfb_set_par_foo(struct fb_info *info) /* formula: VClk = (OSC * N) / (D * (1+P)) */ /* Example: VClk = (14.31818 * 91) / (23 * (1+1)) = 28.325 MHz */ - vga_wseq(regbase, CL_SEQRB, nom); - tmp = den << 1; - if (div != 0) - tmp |= 1; + if (cinfo->btype == BT_ALPINE) { + /* if freq is close to mclk or mclk/2 select mclk + * as clock source + */ + int divMCLK = cirrusfb_check_mclk(cinfo, freq); + if (divMCLK) { + nom = 0; + cirrusfb_set_mclk_as_source(cinfo, divMCLK); + } + } + if (nom) { + vga_wseq(regbase, CL_SEQRB, nom); + tmp = den << 1; + if (div != 0) + tmp |= 1; - /* 6 bit denom; ONLY 5434!!! (bugged me 10 days) */ - if ((cinfo->btype == BT_SD64) || - (cinfo->btype == BT_ALPINE) || - (cinfo->btype == BT_GD5480)) - tmp |= 0x80; + /* 6 bit denom; ONLY 5434!!! (bugged me 10 days) */ + if ((cinfo->btype == BT_SD64) || + (cinfo->btype == BT_ALPINE) || + (cinfo->btype == BT_GD5480)) + tmp |= 0x80; - DPRINTK("CL_SEQR1B: %ld\n", (long) tmp); - vga_wseq(regbase, CL_SEQR1B, tmp); + DPRINTK("CL_SEQR1B: %ld\n", (long) tmp); + vga_wseq(regbase, CL_SEQR1B, tmp); + } if (yres >= 1024) /* 1280x1024 */ @@ -1106,7 +1096,6 @@ static int cirrusfb_set_par_foo(struct fb_info *info) case BT_ALPINE: DPRINTK(" (for GD543x)\n"); - cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); /* We already set SRF and SR1F */ break; @@ -1179,7 +1168,6 @@ static int cirrusfb_set_par_foo(struct fb_info *info) case BT_ALPINE: DPRINTK(" (for GD543x)\n"); vga_wseq(regbase, CL_SEQR7, 0xa7); - cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); break; case BT_GD5480: @@ -1257,7 +1245,6 @@ static int cirrusfb_set_par_foo(struct fb_info *info) case BT_ALPINE: DPRINTK(" (for GD543x)\n"); vga_wseq(regbase, CL_SEQR7, 0xa9); - cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); break; case BT_GD5480: -- GitLab From f928ac0a9810d46c8ba3bde7c969984340da9f5d Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 15 Oct 2008 22:03:43 -0700 Subject: [PATCH 5477/6244] atmel_lcdfb: disallow setting larger resolution than the framebuffer memory can handle Signed-off-by: Stanislaw Gruszka Acked-by: Nicolas Ferre Cc: Krzysztof Helt Cc: Haavard Skinnemoen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/atmel_lcdfb.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index d38fd5217422..f8d0a57a07cb 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -372,6 +372,13 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->transp.offset = var->transp.length = 0; var->xoffset = var->yoffset = 0; + if (info->fix.smem_len) { + unsigned int smem_len = (var->xres_virtual * var->yres_virtual + * ((var->bits_per_pixel + 7) / 8)); + if (smem_len > info->fix.smem_len) + return -EINVAL; + } + /* Saturate vertical and horizontal timings at maximum values */ var->vsync_len = min_t(u32, var->vsync_len, (ATMEL_LCDC_VPW >> ATMEL_LCDC_VPW_OFFSET) + 1); -- GitLab From 7c08c9ae0c145807c0dae4a55f240fa3d4fd5262 Mon Sep 17 00:00:00 2001 From: Peter Jones Date: Wed, 15 Oct 2008 22:03:43 -0700 Subject: [PATCH 5478/6244] efifb/imacfb consolidation + hardware support Remove imacfb entirely, merging its DMI table into the (otherwise very similar) efifb driver. This also adds hardware support for many of the newer Intel Apple hardware. This has been fairly well tested; we've been shipping it in Fedora for some time. Signed-off-by: Peter Jones Cc: Krzysztof Helt Cc: Geert Uytterhoeven Cc: Jaya Kumar Cc: Ralf Baechle Cc: Maciej W. Rozycki Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/Kconfig | 15 +- drivers/video/Makefile | 1 - drivers/video/efifb.c | 191 +++++++++++++++++++-- drivers/video/imacfb.c | 376 ----------------------------------------- 4 files changed, 184 insertions(+), 399 deletions(-) diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index e63e5648e0a6..3b296e410f91 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -689,23 +689,14 @@ config FB_VESA config FB_EFI bool "EFI-based Framebuffer Support" - depends on (FB = y) && X86 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the EFI frame buffer device driver. If the firmware on - your platform is UEFI2.0, select Y to add support for - Graphics Output Protocol for early console messages to appear. - -config FB_IMAC - bool "Intel-based Macintosh Framebuffer Support" depends on (FB = y) && X86 && EFI select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT help - This is the frame buffer device driver for the Intel-based Macintosh + This is the EFI frame buffer device driver. If the firmware on + your platform is EFI 1.10 or UEFI 2.0, select Y to add support for + using the EFI framebuffer as your console. config FB_N411 tristate "N411 Apollo/Hecuba devkit support" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index dcae8d402fb2..2bc94d8eb3c8 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -125,7 +125,6 @@ obj-$(CONFIG_FB_CARMINE) += carminefb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_UVESA) += uvesafb.o obj-$(CONFIG_FB_VESA) += vesafb.o -obj-$(CONFIG_FB_IMAC) += imacfb.o obj-$(CONFIG_FB_EFI) += efifb.o obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c index bd779ae44b1e..daf9b81878a4 100644 --- a/drivers/video/efifb.c +++ b/drivers/video/efifb.c @@ -12,6 +12,7 @@ #include #include #include +#include #include